As promised, another pullreq... This one's mostly RTH's patches. thanks -- PMM The following changes since commit 784c2e4f232adf5ef47a84a262ec72a07d068d6a: Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging (2018-10-19 15:30:40 +0100) are available in the Git repository at: https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20181019 for you to fetch changes up to 88c9add25e7120e8622796c81ad3f3fb7f8d40e7: target/arm: Only flush tlb if ASID changes (2018-10-19 17:38:48 +0100) ---------------------------------------------------------------- target-arm queue: * ssi-sd: Make devices picking up backends unavailable with -device * Add support for VCPU event states * Move towards making ID registers the source of truth for whether a guest CPU implements a feature, rather than having parallel ID registers and feature bit flags * Implement various HCR hypervisor trap/config bits * Get IL bit correct for v7 syndrome values * Report correct syndrome for FP/SIMD traps to Hyp mode * hw/arm/boot: Increase compliance with kernel arm64 boot protocol * Refactor A32 Neon to use generic vector infrastructure * Fix a bug in A32 VLD2 "(multiple 2-element structures)" insn * net: cadence_gem: Report features correctly in ID register * Avoid some unnecessary TLB flushes on TTBR register writes ---------------------------------------------------------------- Dongjiu Geng (1): target/arm: Add support for VCPU event states Edgar E. Iglesias (2): net: cadence_gem: Announce availability of priority queues net: cadence_gem: Announce 64bit addressing support Markus Armbruster (1): ssi-sd: Make devices picking up backends unavailable with -device Peter Maydell (10): target/arm: Improve debug logging of AArch32 exception return target/arm: Make switch_mode() file-local target/arm: Implement HCR.FB target/arm: Implement HCR.DC target/arm: ISR_EL1 bits track virtual interrupts if IMO/FMO set target/arm: Implement HCR.VI and VF target/arm: Implement HCR.PTW target/arm: New utility function to extract EC from syndrome target/arm: Get IL bit correct for v7 syndrome values target/arm: Report correct syndrome for FP/SIMD traps to Hyp mode Richard Henderson (30): target/arm: Move some system registers into a substructure target/arm: V8M should not imply V7VE target/arm: Convert v8 extensions from feature bits to isar tests target/arm: Convert division from feature bits to isar0 tests target/arm: Convert jazelle from feature bit to isar1 test target/arm: Convert t32ee from feature bit to isar3 test target/arm: Convert sve from feature bit to aa64pfr0 test target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 test target/arm: Hoist address increment for vector memory ops target/arm: Don't call tcg_clear_temp_count target/arm: Use tcg_gen_gvec_dup_i64 for LD[1-4]R target/arm: Promote consecutive memory ops for aa64 target/arm: Mark some arrays const target/arm: Use gvec for NEON VDUP target/arm: Use gvec for NEON VMOV, VMVN, VBIC & VORR (immediate) target/arm: Use gvec for NEON_3R_LOGIC insns target/arm: Use gvec for NEON_3R_VADD_VSUB insns target/arm: Use gvec for NEON_2RM_VMN, NEON_2RM_VNEG target/arm: Use gvec for NEON_3R_VMUL target/arm: Use gvec for VSHR, VSHL target/arm: Use gvec for VSRA target/arm: Use gvec for VSRI, VSLI target/arm: Use gvec for NEON_3R_VML target/arm: Use gvec for NEON_3R_VTST_VCEQ, NEON_3R_VCGT, NEON_3R_VCGE target/arm: Use gvec for NEON VLD all lanes target/arm: Reorg NEON VLD/VST all elements target/arm: Promote consecutive memory ops for aa32 target/arm: Reorg NEON VLD/VST single element to one lane target/arm: Remove writefn from TTBR0_EL3 target/arm: Only flush tlb if ASID changes Stewart Hildebrand (1): hw/arm/boot: Increase compliance with kernel arm64 boot protocol target/arm/cpu.h | 227 ++++++- target/arm/internals.h | 45 +- target/arm/kvm_arm.h | 24 + target/arm/translate.h | 21 + hw/arm/boot.c | 18 + hw/intc/armv7m_nvic.c | 12 +- hw/net/cadence_gem.c | 9 +- hw/sd/ssi-sd.c | 2 + linux-user/aarch64/signal.c | 4 +- linux-user/elfload.c | 60 +- linux-user/syscall.c | 10 +- target/arm/cpu.c | 242 ++++---- target/arm/cpu64.c | 148 +++-- target/arm/helper.c | 397 ++++++++---- target/arm/kvm.c | 60 ++ target/arm/kvm32.c | 13 + target/arm/kvm64.c | 15 +- target/arm/machine.c | 28 +- target/arm/op_helper.c | 2 +- target/arm/translate-a64.c | 715 ++++----------------- target/arm/translate.c | 1451 ++++++++++++++++++++++++++++--------------- 21 files changed, 2021 insertions(+), 1482 deletions(-) From: Markus Armbruster <armbru@redhat.com> Device models aren't supposed to go on fishing expeditions for backends. They should expose suitable properties for the user to set. For onboard devices, board code sets them. Device ssi-sd picks up its block backend in its init() method with drive_get_next() instead. This mistake is already marked FIXME since commit af9e40a. Unset user_creatable to remove the mistake from our external interface. Since the SSI bus doesn't support hotplug, only -device can be affected. Only certain ARM machines have ssi-sd and provide an SSI bus for it; this patch breaks -device ssi-sd for these machines. No actual use of -device ssi-sd is known. Signed-off-by: Markus Armbruster <armbru@redhat.com> Acked-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Thomas Huth <thuth@redhat.com> Message-id: 20181009060835.4608-1-armbru@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/sd/ssi-sd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index XXXXXXX..XXXXXXX 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -XXX,XX +XXX,XX @@ static void ssi_sd_class_init(ObjectClass *klass, void *data) k->cs_polarity = SSI_CS_LOW; dc->vmsd = &vmstate_ssi_sd; dc->reset = ssi_sd_reset; + /* Reason: init() method uses drive_get_next() */ + dc->user_creatable = false; } static const TypeInfo ssi_sd_info = { -- 2.19.1 From: Dongjiu Geng <gengdongjiu@huawei.com> This patch extends the qemu-kvm state sync logic with support for KVM_GET/SET_VCPU_EVENTS, giving access to yet missing SError exception. And also it can support the exception state migration. The SError exception states include SError pending state and ESR value, the kvm_put/get_vcpu_events() will be called when set or get system registers. When do migration, if source machine has SError pending, QEMU will do this migration regardless whether the target machine supports to specify guest ESR value, because if target machine does not support that, it can also inject the SError with zero ESR value. Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1538067351-23931-3-git-send-email-gengdongjiu@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 7 ++++++ target/arm/kvm_arm.h | 24 ++++++++++++++++++ target/arm/kvm.c | 60 ++++++++++++++++++++++++++++++++++++++++++++ target/arm/kvm32.c | 13 ++++++++++ target/arm/kvm64.c | 13 ++++++++++ target/arm/machine.c | 22 ++++++++++++++++ 6 files changed, 139 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ typedef struct CPUARMState { */ } exception; + /* Information associated with an SError */ + struct { + uint8_t pending; + uint8_t has_esr; + uint64_t esr; + } serror; + /* Thumb-2 EE state. */ uint32_t teecr; uint32_t teehbr; diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm_arm.h +++ b/target/arm/kvm_arm.h @@ -XXX,XX +XXX,XX @@ bool write_kvmstate_to_list(ARMCPU *cpu); */ void kvm_arm_reset_vcpu(ARMCPU *cpu); +/** + * kvm_arm_init_serror_injection: + * @cs: CPUState + * + * Check whether KVM can set guest SError syndrome. + */ +void kvm_arm_init_serror_injection(CPUState *cs); + +/** + * kvm_get_vcpu_events: + * @cpu: ARMCPU + * + * Get VCPU related state from kvm. + */ +int kvm_get_vcpu_events(ARMCPU *cpu); + +/** + * kvm_put_vcpu_events: + * @cpu: ARMCPU + * + * Put VCPU related state to kvm. + */ +int kvm_put_vcpu_events(ARMCPU *cpu); + #ifdef CONFIG_KVM /** * kvm_arm_create_scratch_host_vcpu: diff --git a/target/arm/kvm.c b/target/arm/kvm.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -XXX,XX +XXX,XX @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = { }; static bool cap_has_mp_state; +static bool cap_has_inject_serror_esr; static ARMHostCPUFeatures arm_host_cpu_features; @@ -XXX,XX +XXX,XX @@ int kvm_arm_vcpu_init(CPUState *cs) return kvm_vcpu_ioctl(cs, KVM_ARM_VCPU_INIT, &init); } +void kvm_arm_init_serror_injection(CPUState *cs) +{ + cap_has_inject_serror_esr = kvm_check_extension(cs->kvm_state, + KVM_CAP_ARM_INJECT_SERROR_ESR); +} + bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try, int *fdarray, struct kvm_vcpu_init *init) @@ -XXX,XX +XXX,XX @@ int kvm_arm_sync_mpstate_to_qemu(ARMCPU *cpu) return 0; } +int kvm_put_vcpu_events(ARMCPU *cpu) +{ + CPUARMState *env = &cpu->env; + struct kvm_vcpu_events events; + int ret; + + if (!kvm_has_vcpu_events()) { + return 0; + } + + memset(&events, 0, sizeof(events)); + events.exception.serror_pending = env->serror.pending; + + /* Inject SError to guest with specified syndrome if host kernel + * supports it, otherwise inject SError without syndrome. + */ + if (cap_has_inject_serror_esr) { + events.exception.serror_has_esr = env->serror.has_esr; + events.exception.serror_esr = env->serror.esr; + } + + ret = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_VCPU_EVENTS, &events); + if (ret) { + error_report("failed to put vcpu events"); + } + + return ret; +} + +int kvm_get_vcpu_events(ARMCPU *cpu) +{ + CPUARMState *env = &cpu->env; + struct kvm_vcpu_events events; + int ret; + + if (!kvm_has_vcpu_events()) { + return 0; + } + + memset(&events, 0, sizeof(events)); + ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_VCPU_EVENTS, &events); + if (ret) { + error_report("failed to get vcpu events"); + return ret; + } + + env->serror.pending = events.exception.serror_pending; + env->serror.has_esr = events.exception.serror_has_esr; + env->serror.esr = events.exception.serror_esr; + + return 0; +} + void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) { } diff --git a/target/arm/kvm32.c b/target/arm/kvm32.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm32.c +++ b/target/arm/kvm32.c @@ -XXX,XX +XXX,XX @@ int kvm_arch_init_vcpu(CPUState *cs) } cpu->mp_affinity = mpidr & ARM32_AFFINITY_MASK; + /* Check whether userspace can specify guest syndrome value */ + kvm_arm_init_serror_injection(cs); + return kvm_arm_init_cpreg_list(cpu); } @@ -XXX,XX +XXX,XX @@ int kvm_arch_put_registers(CPUState *cs, int level) return ret; } + ret = kvm_put_vcpu_events(cpu); + if (ret) { + return ret; + } + /* Note that we do not call write_cpustate_to_list() * here, so we are only writing the tuple list back to * KVM. This is safe because nothing can change the @@ -XXX,XX +XXX,XX @@ int kvm_arch_get_registers(CPUState *cs) } vfp_set_fpscr(env, fpscr); + ret = kvm_get_vcpu_events(cpu); + if (ret) { + return ret; + } + if (!write_kvmstate_to_list(cpu)) { return EINVAL; } diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -XXX,XX +XXX,XX @@ int kvm_arch_init_vcpu(CPUState *cs) kvm_arm_init_debug(cs); + /* Check whether user space can specify guest syndrome value */ + kvm_arm_init_serror_injection(cs); + return kvm_arm_init_cpreg_list(cpu); } @@ -XXX,XX +XXX,XX @@ int kvm_arch_put_registers(CPUState *cs, int level) return ret; } + ret = kvm_put_vcpu_events(cpu); + if (ret) { + return ret; + } + if (!write_list_to_kvmstate(cpu, level)) { return EINVAL; } @@ -XXX,XX +XXX,XX @@ int kvm_arch_get_registers(CPUState *cs) } vfp_set_fpcr(env, fpr); + ret = kvm_get_vcpu_events(cpu); + if (ret) { + return ret; + } + if (!write_kvmstate_to_list(cpu)) { return EINVAL; } diff --git a/target/arm/machine.c b/target/arm/machine.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/machine.c +++ b/target/arm/machine.c @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_sve = { }; #endif /* AARCH64 */ +static bool serror_needed(void *opaque) +{ + ARMCPU *cpu = opaque; + CPUARMState *env = &cpu->env; + + return env->serror.pending != 0; +} + +static const VMStateDescription vmstate_serror = { + .name = "cpu/serror", + .version_id = 1, + .minimum_version_id = 1, + .needed = serror_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT8(env.serror.pending, ARMCPU), + VMSTATE_UINT8(env.serror.has_esr, ARMCPU), + VMSTATE_UINT64(env.serror.esr, ARMCPU), + VMSTATE_END_OF_LIST() + } +}; + static bool m_needed(void *opaque) { ARMCPU *cpu = opaque; @@ -XXX,XX +XXX,XX @@ const VMStateDescription vmstate_arm_cpu = { #ifdef TARGET_AARCH64 &vmstate_sve, #endif + &vmstate_serror, NULL } }; -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Create struct ARMISARegisters, to be accessed during translation. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 32 ++++---- hw/intc/armv7m_nvic.c | 12 +-- target/arm/cpu.c | 178 +++++++++++++++++++++--------------------- target/arm/cpu64.c | 70 ++++++++--------- target/arm/helper.c | 28 +++---- 5 files changed, 162 insertions(+), 158 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ struct ARMCPU { * ARMv7AR ARM Architecture Reference Manual. A reset_ prefix * is used for reset values of non-constant registers; no reset_ * prefix means a constant register. + * Some of these registers are split out into a substructure that + * is shared with the translators to control the ISA. */ + struct ARMISARegisters { + uint32_t id_isar0; + uint32_t id_isar1; + uint32_t id_isar2; + uint32_t id_isar3; + uint32_t id_isar4; + uint32_t id_isar5; + uint32_t id_isar6; + uint32_t mvfr0; + uint32_t mvfr1; + uint32_t mvfr2; + uint64_t id_aa64isar0; + uint64_t id_aa64isar1; + uint64_t id_aa64pfr0; + uint64_t id_aa64pfr1; + } isar; uint32_t midr; uint32_t revidr; uint32_t reset_fpsid; - uint32_t mvfr0; - uint32_t mvfr1; - uint32_t mvfr2; uint32_t ctr; uint32_t reset_sctlr; uint32_t id_pfr0; @@ -XXX,XX +XXX,XX @@ struct ARMCPU { uint32_t id_mmfr2; uint32_t id_mmfr3; uint32_t id_mmfr4; - uint32_t id_isar0; - uint32_t id_isar1; - uint32_t id_isar2; - uint32_t id_isar3; - uint32_t id_isar4; - uint32_t id_isar5; - uint32_t id_isar6; - uint64_t id_aa64pfr0; - uint64_t id_aa64pfr1; uint64_t id_aa64dfr0; uint64_t id_aa64dfr1; uint64_t id_aa64afr0; uint64_t id_aa64afr1; - uint64_t id_aa64isar0; - uint64_t id_aa64isar1; uint64_t id_aa64mmfr0; uint64_t id_aa64mmfr1; uint32_t dbgdidr; diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index XXXXXXX..XXXXXXX 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -XXX,XX +XXX,XX @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs) case 0xd5c: /* MMFR3. */ return cpu->id_mmfr3; case 0xd60: /* ISAR0. */ - return cpu->id_isar0; + return cpu->isar.id_isar0; case 0xd64: /* ISAR1. */ - return cpu->id_isar1; + return cpu->isar.id_isar1; case 0xd68: /* ISAR2. */ - return cpu->id_isar2; + return cpu->isar.id_isar2; case 0xd6c: /* ISAR3. */ - return cpu->id_isar3; + return cpu->isar.id_isar3; case 0xd70: /* ISAR4. */ - return cpu->id_isar4; + return cpu->isar.id_isar4; case 0xd74: /* ISAR5. */ - return cpu->id_isar5; + return cpu->isar.id_isar5; case 0xd78: /* CLIDR */ return cpu->clidr; case 0xd7c: /* CTR */ diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_reset(CPUState *s) g_hash_table_foreach(cpu->cp_regs, cp_reg_check_reset, cpu); env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid; - env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0; - env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1; - env->vfp.xregs[ARM_VFP_MVFR2] = cpu->mvfr2; + env->vfp.xregs[ARM_VFP_MVFR0] = cpu->isar.mvfr0; + env->vfp.xregs[ARM_VFP_MVFR1] = cpu->isar.mvfr1; + env->vfp.xregs[ARM_VFP_MVFR2] = cpu->isar.mvfr2; cpu->power_state = cpu->start_powered_off ? PSCI_OFF : PSCI_ON; s->halted = cpu->start_powered_off; @@ -XXX,XX +XXX,XX @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) * registers as well. These are id_pfr1[7:4] and id_aa64pfr0[15:12]. */ cpu->id_pfr1 &= ~0xf0; - cpu->id_aa64pfr0 &= ~0xf000; + cpu->isar.id_aa64pfr0 &= ~0xf000; } if (!cpu->has_el2) { @@ -XXX,XX +XXX,XX @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) * registers if we don't have EL2. These are id_pfr1[15:12] and * id_aa64pfr0_el1[11:8]. */ - cpu->id_aa64pfr0 &= ~0xf00; + cpu->isar.id_aa64pfr0 &= ~0xf00; cpu->id_pfr1 &= ~0xf000; } @@ -XXX,XX +XXX,XX @@ static void arm1136_r2_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS); cpu->midr = 0x4107b362; cpu->reset_fpsid = 0x410120b4; - cpu->mvfr0 = 0x11111111; - cpu->mvfr1 = 0x00000000; + cpu->isar.mvfr0 = 0x11111111; + cpu->isar.mvfr1 = 0x00000000; cpu->ctr = 0x1dd20d2; cpu->reset_sctlr = 0x00050078; cpu->id_pfr0 = 0x111; @@ -XXX,XX +XXX,XX @@ static void arm1136_r2_initfn(Object *obj) cpu->id_mmfr0 = 0x01130003; cpu->id_mmfr1 = 0x10030302; cpu->id_mmfr2 = 0x01222110; - cpu->id_isar0 = 0x00140011; - cpu->id_isar1 = 0x12002111; - cpu->id_isar2 = 0x11231111; - cpu->id_isar3 = 0x01102131; - cpu->id_isar4 = 0x141; + cpu->isar.id_isar0 = 0x00140011; + cpu->isar.id_isar1 = 0x12002111; + cpu->isar.id_isar2 = 0x11231111; + cpu->isar.id_isar3 = 0x01102131; + cpu->isar.id_isar4 = 0x141; cpu->reset_auxcr = 7; } @@ -XXX,XX +XXX,XX @@ static void arm1136_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS); cpu->midr = 0x4117b363; cpu->reset_fpsid = 0x410120b4; - cpu->mvfr0 = 0x11111111; - cpu->mvfr1 = 0x00000000; + cpu->isar.mvfr0 = 0x11111111; + cpu->isar.mvfr1 = 0x00000000; cpu->ctr = 0x1dd20d2; cpu->reset_sctlr = 0x00050078; cpu->id_pfr0 = 0x111; @@ -XXX,XX +XXX,XX @@ static void arm1136_initfn(Object *obj) cpu->id_mmfr0 = 0x01130003; cpu->id_mmfr1 = 0x10030302; cpu->id_mmfr2 = 0x01222110; - cpu->id_isar0 = 0x00140011; - cpu->id_isar1 = 0x12002111; - cpu->id_isar2 = 0x11231111; - cpu->id_isar3 = 0x01102131; - cpu->id_isar4 = 0x141; + cpu->isar.id_isar0 = 0x00140011; + cpu->isar.id_isar1 = 0x12002111; + cpu->isar.id_isar2 = 0x11231111; + cpu->isar.id_isar3 = 0x01102131; + cpu->isar.id_isar4 = 0x141; cpu->reset_auxcr = 7; } @@ -XXX,XX +XXX,XX @@ static void arm1176_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_EL3); cpu->midr = 0x410fb767; cpu->reset_fpsid = 0x410120b5; - cpu->mvfr0 = 0x11111111; - cpu->mvfr1 = 0x00000000; + cpu->isar.mvfr0 = 0x11111111; + cpu->isar.mvfr1 = 0x00000000; cpu->ctr = 0x1dd20d2; cpu->reset_sctlr = 0x00050078; cpu->id_pfr0 = 0x111; @@ -XXX,XX +XXX,XX @@ static void arm1176_initfn(Object *obj) cpu->id_mmfr0 = 0x01130003; cpu->id_mmfr1 = 0x10030302; cpu->id_mmfr2 = 0x01222100; - cpu->id_isar0 = 0x0140011; - cpu->id_isar1 = 0x12002111; - cpu->id_isar2 = 0x11231121; - cpu->id_isar3 = 0x01102131; - cpu->id_isar4 = 0x01141; + cpu->isar.id_isar0 = 0x0140011; + cpu->isar.id_isar1 = 0x12002111; + cpu->isar.id_isar2 = 0x11231121; + cpu->isar.id_isar3 = 0x01102131; + cpu->isar.id_isar4 = 0x01141; cpu->reset_auxcr = 7; } @@ -XXX,XX +XXX,XX @@ static void arm11mpcore_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); cpu->midr = 0x410fb022; cpu->reset_fpsid = 0x410120b4; - cpu->mvfr0 = 0x11111111; - cpu->mvfr1 = 0x00000000; + cpu->isar.mvfr0 = 0x11111111; + cpu->isar.mvfr1 = 0x00000000; cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */ cpu->id_pfr0 = 0x111; cpu->id_pfr1 = 0x1; @@ -XXX,XX +XXX,XX @@ static void arm11mpcore_initfn(Object *obj) cpu->id_mmfr0 = 0x01100103; cpu->id_mmfr1 = 0x10020302; cpu->id_mmfr2 = 0x01222000; - cpu->id_isar0 = 0x00100011; - cpu->id_isar1 = 0x12002111; - cpu->id_isar2 = 0x11221011; - cpu->id_isar3 = 0x01102131; - cpu->id_isar4 = 0x141; + cpu->isar.id_isar0 = 0x00100011; + cpu->isar.id_isar1 = 0x12002111; + cpu->isar.id_isar2 = 0x11221011; + cpu->isar.id_isar3 = 0x01102131; + cpu->isar.id_isar4 = 0x141; cpu->reset_auxcr = 1; } @@ -XXX,XX +XXX,XX @@ static void cortex_m3_initfn(Object *obj) cpu->id_mmfr1 = 0x00000000; cpu->id_mmfr2 = 0x00000000; cpu->id_mmfr3 = 0x00000000; - cpu->id_isar0 = 0x01141110; - cpu->id_isar1 = 0x02111000; - cpu->id_isar2 = 0x21112231; - cpu->id_isar3 = 0x01111110; - cpu->id_isar4 = 0x01310102; - cpu->id_isar5 = 0x00000000; - cpu->id_isar6 = 0x00000000; + cpu->isar.id_isar0 = 0x01141110; + cpu->isar.id_isar1 = 0x02111000; + cpu->isar.id_isar2 = 0x21112231; + cpu->isar.id_isar3 = 0x01111110; + cpu->isar.id_isar4 = 0x01310102; + cpu->isar.id_isar5 = 0x00000000; + cpu->isar.id_isar6 = 0x00000000; } static void cortex_m4_initfn(Object *obj) @@ -XXX,XX +XXX,XX @@ static void cortex_m4_initfn(Object *obj) cpu->id_mmfr1 = 0x00000000; cpu->id_mmfr2 = 0x00000000; cpu->id_mmfr3 = 0x00000000; - cpu->id_isar0 = 0x01141110; - cpu->id_isar1 = 0x02111000; - cpu->id_isar2 = 0x21112231; - cpu->id_isar3 = 0x01111110; - cpu->id_isar4 = 0x01310102; - cpu->id_isar5 = 0x00000000; - cpu->id_isar6 = 0x00000000; + cpu->isar.id_isar0 = 0x01141110; + cpu->isar.id_isar1 = 0x02111000; + cpu->isar.id_isar2 = 0x21112231; + cpu->isar.id_isar3 = 0x01111110; + cpu->isar.id_isar4 = 0x01310102; + cpu->isar.id_isar5 = 0x00000000; + cpu->isar.id_isar6 = 0x00000000; } static void cortex_m33_initfn(Object *obj) @@ -XXX,XX +XXX,XX @@ static void cortex_m33_initfn(Object *obj) cpu->id_mmfr1 = 0x00000000; cpu->id_mmfr2 = 0x01000000; cpu->id_mmfr3 = 0x00000000; - cpu->id_isar0 = 0x01101110; - cpu->id_isar1 = 0x02212000; - cpu->id_isar2 = 0x20232232; - cpu->id_isar3 = 0x01111131; - cpu->id_isar4 = 0x01310132; - cpu->id_isar5 = 0x00000000; - cpu->id_isar6 = 0x00000000; + cpu->isar.id_isar0 = 0x01101110; + cpu->isar.id_isar1 = 0x02212000; + cpu->isar.id_isar2 = 0x20232232; + cpu->isar.id_isar3 = 0x01111131; + cpu->isar.id_isar4 = 0x01310132; + cpu->isar.id_isar5 = 0x00000000; + cpu->isar.id_isar6 = 0x00000000; cpu->clidr = 0x00000000; cpu->ctr = 0x8000c000; } @@ -XXX,XX +XXX,XX @@ static void cortex_r5_initfn(Object *obj) cpu->id_mmfr1 = 0x00000000; cpu->id_mmfr2 = 0x01200000; cpu->id_mmfr3 = 0x0211; - cpu->id_isar0 = 0x02101111; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232141; - cpu->id_isar3 = 0x01112131; - cpu->id_isar4 = 0x0010142; - cpu->id_isar5 = 0x0; - cpu->id_isar6 = 0x0; + cpu->isar.id_isar0 = 0x02101111; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232141; + cpu->isar.id_isar3 = 0x01112131; + cpu->isar.id_isar4 = 0x0010142; + cpu->isar.id_isar5 = 0x0; + cpu->isar.id_isar6 = 0x0; cpu->mp_is_up = true; cpu->pmsav7_dregion = 16; define_arm_cp_regs(cpu, cortexr5_cp_reginfo); @@ -XXX,XX +XXX,XX @@ static void cortex_a8_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_EL3); cpu->midr = 0x410fc080; cpu->reset_fpsid = 0x410330c0; - cpu->mvfr0 = 0x11110222; - cpu->mvfr1 = 0x00011111; + cpu->isar.mvfr0 = 0x11110222; + cpu->isar.mvfr1 = 0x00011111; cpu->ctr = 0x82048004; cpu->reset_sctlr = 0x00c50078; cpu->id_pfr0 = 0x1031; @@ -XXX,XX +XXX,XX @@ static void cortex_a8_initfn(Object *obj) cpu->id_mmfr1 = 0x20000000; cpu->id_mmfr2 = 0x01202000; cpu->id_mmfr3 = 0x11; - cpu->id_isar0 = 0x00101111; - cpu->id_isar1 = 0x12112111; - cpu->id_isar2 = 0x21232031; - cpu->id_isar3 = 0x11112131; - cpu->id_isar4 = 0x00111142; + cpu->isar.id_isar0 = 0x00101111; + cpu->isar.id_isar1 = 0x12112111; + cpu->isar.id_isar2 = 0x21232031; + cpu->isar.id_isar3 = 0x11112131; + cpu->isar.id_isar4 = 0x00111142; cpu->dbgdidr = 0x15141000; cpu->clidr = (1 << 27) | (2 << 24) | 3; cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */ @@ -XXX,XX +XXX,XX @@ static void cortex_a9_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_CBAR); cpu->midr = 0x410fc090; cpu->reset_fpsid = 0x41033090; - cpu->mvfr0 = 0x11110222; - cpu->mvfr1 = 0x01111111; + cpu->isar.mvfr0 = 0x11110222; + cpu->isar.mvfr1 = 0x01111111; cpu->ctr = 0x80038003; cpu->reset_sctlr = 0x00c50078; cpu->id_pfr0 = 0x1031; @@ -XXX,XX +XXX,XX @@ static void cortex_a9_initfn(Object *obj) cpu->id_mmfr1 = 0x20000000; cpu->id_mmfr2 = 0x01230000; cpu->id_mmfr3 = 0x00002111; - cpu->id_isar0 = 0x00101111; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232041; - cpu->id_isar3 = 0x11112131; - cpu->id_isar4 = 0x00111142; + cpu->isar.id_isar0 = 0x00101111; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232041; + cpu->isar.id_isar3 = 0x11112131; + cpu->isar.id_isar4 = 0x00111142; cpu->dbgdidr = 0x35141000; cpu->clidr = (1 << 27) | (1 << 24) | 3; cpu->ccsidr[0] = 0xe00fe019; /* 16k L1 dcache. */ @@ -XXX,XX +XXX,XX @@ static void cortex_a7_initfn(Object *obj) cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A7; cpu->midr = 0x410fc075; cpu->reset_fpsid = 0x41023075; - cpu->mvfr0 = 0x10110222; - cpu->mvfr1 = 0x11111111; + cpu->isar.mvfr0 = 0x10110222; + cpu->isar.mvfr1 = 0x11111111; cpu->ctr = 0x84448003; cpu->reset_sctlr = 0x00c50078; cpu->id_pfr0 = 0x00001131; @@ -XXX,XX +XXX,XX @@ static void cortex_a7_initfn(Object *obj) /* a7_mpcore_r0p5_trm, page 4-4 gives 0x01101110; but * table 4-41 gives 0x02101110, which includes the arm div insns. */ - cpu->id_isar0 = 0x02101110; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232041; - cpu->id_isar3 = 0x11112131; - cpu->id_isar4 = 0x10011142; + cpu->isar.id_isar0 = 0x02101110; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232041; + cpu->isar.id_isar3 = 0x11112131; + cpu->isar.id_isar4 = 0x10011142; cpu->dbgdidr = 0x3515f005; cpu->clidr = 0x0a200023; cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */ @@ -XXX,XX +XXX,XX @@ static void cortex_a15_initfn(Object *obj) cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A15; cpu->midr = 0x412fc0f1; cpu->reset_fpsid = 0x410430f0; - cpu->mvfr0 = 0x10110222; - cpu->mvfr1 = 0x11111111; + cpu->isar.mvfr0 = 0x10110222; + cpu->isar.mvfr1 = 0x11111111; cpu->ctr = 0x8444c004; cpu->reset_sctlr = 0x00c50078; cpu->id_pfr0 = 0x00001131; @@ -XXX,XX +XXX,XX @@ static void cortex_a15_initfn(Object *obj) cpu->id_mmfr1 = 0x20000000; cpu->id_mmfr2 = 0x01240000; cpu->id_mmfr3 = 0x02102211; - cpu->id_isar0 = 0x02101110; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232041; - cpu->id_isar3 = 0x11112131; - cpu->id_isar4 = 0x10011142; + cpu->isar.id_isar0 = 0x02101110; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232041; + cpu->isar.id_isar3 = 0x11112131; + cpu->isar.id_isar4 = 0x10011142; cpu->dbgdidr = 0x3515f021; cpu->clidr = 0x0a200023; cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */ diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -XXX,XX +XXX,XX @@ static void aarch64_a57_initfn(Object *obj) cpu->midr = 0x411fd070; cpu->revidr = 0x00000000; cpu->reset_fpsid = 0x41034070; - cpu->mvfr0 = 0x10110222; - cpu->mvfr1 = 0x12111111; - cpu->mvfr2 = 0x00000043; + cpu->isar.mvfr0 = 0x10110222; + cpu->isar.mvfr1 = 0x12111111; + cpu->isar.mvfr2 = 0x00000043; cpu->ctr = 0x8444c004; cpu->reset_sctlr = 0x00c50838; cpu->id_pfr0 = 0x00000131; @@ -XXX,XX +XXX,XX @@ static void aarch64_a57_initfn(Object *obj) cpu->id_mmfr1 = 0x40000000; cpu->id_mmfr2 = 0x01260000; cpu->id_mmfr3 = 0x02102211; - cpu->id_isar0 = 0x02101110; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232042; - cpu->id_isar3 = 0x01112131; - cpu->id_isar4 = 0x00011142; - cpu->id_isar5 = 0x00011121; - cpu->id_isar6 = 0; - cpu->id_aa64pfr0 = 0x00002222; + cpu->isar.id_isar0 = 0x02101110; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232042; + cpu->isar.id_isar3 = 0x01112131; + cpu->isar.id_isar4 = 0x00011142; + cpu->isar.id_isar5 = 0x00011121; + cpu->isar.id_isar6 = 0; + cpu->isar.id_aa64pfr0 = 0x00002222; cpu->id_aa64dfr0 = 0x10305106; cpu->pmceid0 = 0x00000000; cpu->pmceid1 = 0x00000000; - cpu->id_aa64isar0 = 0x00011120; + cpu->isar.id_aa64isar0 = 0x00011120; cpu->id_aa64mmfr0 = 0x00001124; cpu->dbgdidr = 0x3516d000; cpu->clidr = 0x0a200023; @@ -XXX,XX +XXX,XX @@ static void aarch64_a53_initfn(Object *obj) cpu->midr = 0x410fd034; cpu->revidr = 0x00000000; cpu->reset_fpsid = 0x41034070; - cpu->mvfr0 = 0x10110222; - cpu->mvfr1 = 0x12111111; - cpu->mvfr2 = 0x00000043; + cpu->isar.mvfr0 = 0x10110222; + cpu->isar.mvfr1 = 0x12111111; + cpu->isar.mvfr2 = 0x00000043; cpu->ctr = 0x84448004; /* L1Ip = VIPT */ cpu->reset_sctlr = 0x00c50838; cpu->id_pfr0 = 0x00000131; @@ -XXX,XX +XXX,XX @@ static void aarch64_a53_initfn(Object *obj) cpu->id_mmfr1 = 0x40000000; cpu->id_mmfr2 = 0x01260000; cpu->id_mmfr3 = 0x02102211; - cpu->id_isar0 = 0x02101110; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232042; - cpu->id_isar3 = 0x01112131; - cpu->id_isar4 = 0x00011142; - cpu->id_isar5 = 0x00011121; - cpu->id_isar6 = 0; - cpu->id_aa64pfr0 = 0x00002222; + cpu->isar.id_isar0 = 0x02101110; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232042; + cpu->isar.id_isar3 = 0x01112131; + cpu->isar.id_isar4 = 0x00011142; + cpu->isar.id_isar5 = 0x00011121; + cpu->isar.id_isar6 = 0; + cpu->isar.id_aa64pfr0 = 0x00002222; cpu->id_aa64dfr0 = 0x10305106; - cpu->id_aa64isar0 = 0x00011120; + cpu->isar.id_aa64isar0 = 0x00011120; cpu->id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */ cpu->dbgdidr = 0x3516d000; cpu->clidr = 0x0a200023; @@ -XXX,XX +XXX,XX @@ static void aarch64_a72_initfn(Object *obj) cpu->midr = 0x410fd083; cpu->revidr = 0x00000000; cpu->reset_fpsid = 0x41034080; - cpu->mvfr0 = 0x10110222; - cpu->mvfr1 = 0x12111111; - cpu->mvfr2 = 0x00000043; + cpu->isar.mvfr0 = 0x10110222; + cpu->isar.mvfr1 = 0x12111111; + cpu->isar.mvfr2 = 0x00000043; cpu->ctr = 0x8444c004; cpu->reset_sctlr = 0x00c50838; cpu->id_pfr0 = 0x00000131; @@ -XXX,XX +XXX,XX @@ static void aarch64_a72_initfn(Object *obj) cpu->id_mmfr1 = 0x40000000; cpu->id_mmfr2 = 0x01260000; cpu->id_mmfr3 = 0x02102211; - cpu->id_isar0 = 0x02101110; - cpu->id_isar1 = 0x13112111; - cpu->id_isar2 = 0x21232042; - cpu->id_isar3 = 0x01112131; - cpu->id_isar4 = 0x00011142; - cpu->id_isar5 = 0x00011121; - cpu->id_aa64pfr0 = 0x00002222; + cpu->isar.id_isar0 = 0x02101110; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232042; + cpu->isar.id_isar3 = 0x01112131; + cpu->isar.id_isar4 = 0x00011142; + cpu->isar.id_isar5 = 0x00011121; + cpu->isar.id_aa64pfr0 = 0x00002222; cpu->id_aa64dfr0 = 0x10305106; cpu->pmceid0 = 0x00000000; cpu->pmceid1 = 0x00000000; - cpu->id_aa64isar0 = 0x00011120; + cpu->isar.id_aa64isar0 = 0x00011120; cpu->id_aa64mmfr0 = 0x00001124; cpu->dbgdidr = 0x3516d000; cpu->clidr = 0x0a200023; diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static uint64_t id_pfr1_read(CPUARMState *env, const ARMCPRegInfo *ri) static uint64_t id_aa64pfr0_read(CPUARMState *env, const ARMCPRegInfo *ri) { ARMCPU *cpu = arm_env_get_cpu(env); - uint64_t pfr0 = cpu->id_aa64pfr0; + uint64_t pfr0 = cpu->isar.id_aa64pfr0; if (env->gicv3state) { pfr0 |= 1 << 24; @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) { .name = "ID_ISAR0", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 0, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar0 }, + .resetvalue = cpu->isar.id_isar0 }, { .name = "ID_ISAR1", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar1 }, + .resetvalue = cpu->isar.id_isar1 }, { .name = "ID_ISAR2", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar2 }, + .resetvalue = cpu->isar.id_isar2 }, { .name = "ID_ISAR3", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 3, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar3 }, + .resetvalue = cpu->isar.id_isar3 }, { .name = "ID_ISAR4", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 4, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar4 }, + .resetvalue = cpu->isar.id_isar4 }, { .name = "ID_ISAR5", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 5, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar5 }, + .resetvalue = cpu->isar.id_isar5 }, { .name = "ID_MMFR4", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 6, .access = PL1_R, .type = ARM_CP_CONST, @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) { .name = "ID_ISAR6", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 7, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_isar6 }, + .resetvalue = cpu->isar.id_isar6 }, REGINFO_SENTINEL }; define_arm_cp_regs(cpu, v6_idregs); @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) { .name = "ID_AA64PFR1_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_aa64pfr1}, + .resetvalue = cpu->isar.id_aa64pfr1}, { .name = "ID_AA64PFR2_EL1_RESERVED", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST, @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) { .name = "ID_AA64ISAR0_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 0, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_aa64isar0 }, + .resetvalue = cpu->isar.id_aa64isar0 }, { .name = "ID_AA64ISAR1_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->id_aa64isar1 }, + .resetvalue = cpu->isar.id_aa64isar1 }, { .name = "ID_AA64ISAR2_EL1_RESERVED", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST, @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) { .name = "MVFR0_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 0, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->mvfr0 }, + .resetvalue = cpu->isar.mvfr0 }, { .name = "MVFR1_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->mvfr1 }, + .resetvalue = cpu->isar.mvfr1 }, { .name = "MVFR2_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST, - .resetvalue = cpu->mvfr2 }, + .resetvalue = cpu->isar.mvfr2 }, { .name = "MVFR3_EL1_RESERVED", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 3, .access = PL1_R, .type = ARM_CP_CONST, -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Instantiating mps2-an505 (cortex-m33) will fail make check when V7VE asserts that ID_ISAR0.Divide includes ARM division. It is also wrong to include ARM_FEATURE_LPAE. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) /* Some features automatically imply others: */ if (arm_feature(env, ARM_FEATURE_V8)) { - set_feature(env, ARM_FEATURE_V7VE); + if (arm_feature(env, ARM_FEATURE_M)) { + set_feature(env, ARM_FEATURE_V7); + } else { + set_feature(env, ARM_FEATURE_V7VE); + } } if (arm_feature(env, ARM_FEATURE_V7VE)) { /* v7 Virtualization Extensions. In real hardware this implies -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Most of the v8 extensions are self-contained within the ISAR registers and are not implied by other feature bits, which makes them the easiest to convert. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-4-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 131 +++++++++++++++++++++++++++++++++---- target/arm/translate.h | 7 ++ linux-user/elfload.c | 46 ++++++++----- target/arm/cpu.c | 27 +++++--- target/arm/cpu64.c | 57 +++++++++------- target/arm/translate-a64.c | 101 ++++++++++++++-------------- target/arm/translate.c | 36 +++++----- 7 files changed, 273 insertions(+), 132 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ typedef enum ARMPSCIState { PSCI_ON_PENDING = 2 } ARMPSCIState; +typedef struct ARMISARegisters ARMISARegisters; + /** * ARMCPU: * @env: #CPUARMState @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_LPAE, /* has Large Physical Address Extension */ ARM_FEATURE_V8, ARM_FEATURE_AARCH64, /* supports 64 bit mode */ - ARM_FEATURE_V8_AES, /* implements AES part of v8 Crypto Extensions */ ARM_FEATURE_CBAR, /* has cp15 CBAR */ ARM_FEATURE_CRC, /* ARMv8 CRC instructions */ ARM_FEATURE_CBAR_RO, /* has cp15 CBAR and it is read-only */ ARM_FEATURE_EL2, /* has EL2 Virtualization support */ ARM_FEATURE_EL3, /* has EL3 Secure monitor support */ - ARM_FEATURE_V8_SHA1, /* implements SHA1 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SHA256, /* implements SHA256 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_PMULL, /* implements PMULL part of v8 Crypto Extensions */ ARM_FEATURE_THUMB_DSP, /* DSP insns supported in the Thumb encodings */ ARM_FEATURE_PMU, /* has PMU support */ ARM_FEATURE_VBAR, /* has cp15 VBAR */ ARM_FEATURE_M_SECURITY, /* M profile Security Extension */ ARM_FEATURE_JAZELLE, /* has (trivial) Jazelle implementation */ ARM_FEATURE_SVE, /* has Scalable Vector Extension */ - ARM_FEATURE_V8_SHA512, /* implements SHA512 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SHA3, /* implements SHA3 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SM3, /* implements SM3 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SM4, /* implements SM4 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_ATOMICS, /* ARMv8.1-Atomics feature */ - ARM_FEATURE_V8_RDM, /* implements v8.1 simd round multiply */ - ARM_FEATURE_V8_DOTPROD, /* implements v8.2 simd dot product */ ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ - ARM_FEATURE_V8_FCMA, /* has complex number part of v8.3 extensions. */ ARM_FEATURE_M_MAIN, /* M profile Main Extension */ }; @@ -XXX,XX +XXX,XX @@ static inline uint64_t *aa64_vfp_qreg(CPUARMState *env, unsigned regno) /* Shared between translate-sve.c and sve_helper.c. */ extern const uint64_t pred_esz_masks[4]; +/* + * 32-bit feature tests via id registers. + */ +static inline bool isar_feature_aa32_aes(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) != 0; +} + +static inline bool isar_feature_aa32_pmull(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) > 1; +} + +static inline bool isar_feature_aa32_sha1(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, SHA1) != 0; +} + +static inline bool isar_feature_aa32_sha2(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, SHA2) != 0; +} + +static inline bool isar_feature_aa32_crc32(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, CRC32) != 0; +} + +static inline bool isar_feature_aa32_rdm(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, RDM) != 0; +} + +static inline bool isar_feature_aa32_vcma(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, VCMA) != 0; +} + +static inline bool isar_feature_aa32_dp(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar6, ID_ISAR6, DP) != 0; +} + +/* + * 64-bit feature tests via id registers. + */ +static inline bool isar_feature_aa64_aes(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) != 0; +} + +static inline bool isar_feature_aa64_pmull(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) > 1; +} + +static inline bool isar_feature_aa64_sha1(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA1) != 0; +} + +static inline bool isar_feature_aa64_sha256(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) != 0; +} + +static inline bool isar_feature_aa64_sha512(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) > 1; +} + +static inline bool isar_feature_aa64_crc32(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, CRC32) != 0; +} + +static inline bool isar_feature_aa64_atomics(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, ATOMIC) != 0; +} + +static inline bool isar_feature_aa64_rdm(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, RDM) != 0; +} + +static inline bool isar_feature_aa64_sha3(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA3) != 0; +} + +static inline bool isar_feature_aa64_sm3(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM3) != 0; +} + +static inline bool isar_feature_aa64_sm4(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM4) != 0; +} + +static inline bool isar_feature_aa64_dp(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, DP) != 0; +} + +static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0; +} + +/* + * Forward to the above feature tests given an ARMCPU pointer. + */ +#define cpu_isar_feature(name, cpu) \ + ({ ARMCPU *cpu_ = (cpu); isar_feature_##name(&cpu_->isar); }) + #endif diff --git a/target/arm/translate.h b/target/arm/translate.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -XXX,XX +XXX,XX @@ /* internal defines */ typedef struct DisasContext { DisasContextBase base; + const ARMISARegisters *isar; target_ulong pc; target_ulong page_start; @@ -XXX,XX +XXX,XX @@ static inline TCGv_i32 get_ahp_flag(void) return ret; } +/* + * Forward to the isar_feature_* tests given a DisasContext pointer. + */ +#define dc_isar_feature(name, ctx) \ + ({ DisasContext *ctx_ = (ctx); isar_feature_##name(ctx_->isar); }) + #endif /* TARGET_ARM_TRANSLATE_H */ diff --git a/linux-user/elfload.c b/linux-user/elfload.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) /* probe for the extra features */ #define GET_FEATURE(feat, hwcap) \ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) + +#define GET_FEATURE_ID(feat, hwcap) \ + do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) + /* EDSP is in v5TE and above, but all our v5 CPUs are v5TE */ GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP); GET_FEATURE(ARM_FEATURE_VFP, ARM_HWCAP_ARM_VFP); @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap2(void) ARMCPU *cpu = ARM_CPU(thread_cpu); uint32_t hwcaps = 0; - GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP2_ARM_AES); - GET_FEATURE(ARM_FEATURE_V8_PMULL, ARM_HWCAP2_ARM_PMULL); - GET_FEATURE(ARM_FEATURE_V8_SHA1, ARM_HWCAP2_ARM_SHA1); - GET_FEATURE(ARM_FEATURE_V8_SHA256, ARM_HWCAP2_ARM_SHA2); - GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP2_ARM_CRC32); + GET_FEATURE_ID(aa32_aes, ARM_HWCAP2_ARM_AES); + GET_FEATURE_ID(aa32_pmull, ARM_HWCAP2_ARM_PMULL); + GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1); + GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2); + GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32); return hwcaps; } #undef GET_FEATURE +#undef GET_FEATURE_ID #else /* 64 bit ARM definitions */ @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) /* probe for the extra features */ #define GET_FEATURE(feat, hwcap) \ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) - GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP_A64_AES); - GET_FEATURE(ARM_FEATURE_V8_PMULL, ARM_HWCAP_A64_PMULL); - GET_FEATURE(ARM_FEATURE_V8_SHA1, ARM_HWCAP_A64_SHA1); - GET_FEATURE(ARM_FEATURE_V8_SHA256, ARM_HWCAP_A64_SHA2); - GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP_A64_CRC32); - GET_FEATURE(ARM_FEATURE_V8_SHA3, ARM_HWCAP_A64_SHA3); - GET_FEATURE(ARM_FEATURE_V8_SM3, ARM_HWCAP_A64_SM3); - GET_FEATURE(ARM_FEATURE_V8_SM4, ARM_HWCAP_A64_SM4); - GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512); +#define GET_FEATURE_ID(feat, hwcap) \ + do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) + + GET_FEATURE_ID(aa64_aes, ARM_HWCAP_A64_AES); + GET_FEATURE_ID(aa64_pmull, ARM_HWCAP_A64_PMULL); + GET_FEATURE_ID(aa64_sha1, ARM_HWCAP_A64_SHA1); + GET_FEATURE_ID(aa64_sha256, ARM_HWCAP_A64_SHA2); + GET_FEATURE_ID(aa64_sha512, ARM_HWCAP_A64_SHA512); + GET_FEATURE_ID(aa64_crc32, ARM_HWCAP_A64_CRC32); + GET_FEATURE_ID(aa64_sha3, ARM_HWCAP_A64_SHA3); + GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3); + GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4); GET_FEATURE(ARM_FEATURE_V8_FP16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); - GET_FEATURE(ARM_FEATURE_V8_ATOMICS, ARM_HWCAP_A64_ATOMICS); - GET_FEATURE(ARM_FEATURE_V8_RDM, ARM_HWCAP_A64_ASIMDRDM); - GET_FEATURE(ARM_FEATURE_V8_DOTPROD, ARM_HWCAP_A64_ASIMDDP); - GET_FEATURE(ARM_FEATURE_V8_FCMA, ARM_HWCAP_A64_FCMA); + GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS); + GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM); + GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP); + GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA); GET_FEATURE(ARM_FEATURE_SVE, ARM_HWCAP_A64_SVE); + #undef GET_FEATURE +#undef GET_FEATURE_ID return hwcaps; } diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void arm_max_initfn(Object *obj) cortex_a15_initfn(obj); #ifdef CONFIG_USER_ONLY /* We don't set these in system emulation mode for the moment, - * since we don't correctly set the ID registers to advertise them, + * since we don't correctly set (all of) the ID registers to + * advertise them. */ set_feature(&cpu->env, ARM_FEATURE_V8); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); - set_feature(&cpu->env, ARM_FEATURE_V8_RDM); - set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD); - set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); + { + uint32_t t; + + t = cpu->isar.id_isar5; + t = FIELD_DP32(t, ID_ISAR5, AES, 2); + t = FIELD_DP32(t, ID_ISAR5, SHA1, 1); + t = FIELD_DP32(t, ID_ISAR5, SHA2, 1); + t = FIELD_DP32(t, ID_ISAR5, CRC32, 1); + t = FIELD_DP32(t, ID_ISAR5, RDM, 1); + t = FIELD_DP32(t, ID_ISAR5, VCMA, 1); + cpu->isar.id_isar5 = t; + + t = cpu->isar.id_isar6; + t = FIELD_DP32(t, ID_ISAR6, DP, 1); + cpu->isar.id_isar6 = t; + } #endif } } diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -XXX,XX +XXX,XX @@ static void aarch64_a57_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_AARCH64); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); set_feature(&cpu->env, ARM_FEATURE_EL2); set_feature(&cpu->env, ARM_FEATURE_EL3); set_feature(&cpu->env, ARM_FEATURE_PMU); @@ -XXX,XX +XXX,XX @@ static void aarch64_a53_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_AARCH64); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); set_feature(&cpu->env, ARM_FEATURE_EL2); set_feature(&cpu->env, ARM_FEATURE_EL3); set_feature(&cpu->env, ARM_FEATURE_PMU); @@ -XXX,XX +XXX,XX @@ static void aarch64_a72_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_AARCH64); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); set_feature(&cpu->env, ARM_FEATURE_EL2); set_feature(&cpu->env, ARM_FEATURE_EL3); set_feature(&cpu->env, ARM_FEATURE_PMU); @@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj) if (kvm_enabled()) { kvm_arm_set_cpu_features_from_host(cpu); } else { + uint64_t t; + uint32_t u; aarch64_a57_initfn(obj); + + t = cpu->isar.id_aa64isar0; + t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* AES + PMULL */ + t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* SHA512 */ + t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 2); + t = FIELD_DP64(t, ID_AA64ISAR0, RDM, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SHA3, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, DP, 1); + cpu->isar.id_aa64isar0 = t; + + t = cpu->isar.id_aa64isar1; + t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1); + cpu->isar.id_aa64isar1 = t; + + /* Replicate the same data to the 32-bit id registers. */ + u = cpu->isar.id_isar5; + u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */ + u = FIELD_DP32(u, ID_ISAR5, SHA1, 1); + u = FIELD_DP32(u, ID_ISAR5, SHA2, 1); + u = FIELD_DP32(u, ID_ISAR5, CRC32, 1); + u = FIELD_DP32(u, ID_ISAR5, RDM, 1); + u = FIELD_DP32(u, ID_ISAR5, VCMA, 1); + cpu->isar.id_isar5 = u; + + u = cpu->isar.id_isar6; + u = FIELD_DP32(u, ID_ISAR6, DP, 1); + cpu->isar.id_isar6 = u; + #ifdef CONFIG_USER_ONLY /* We don't set these in system emulation mode for the moment, * since we don't correctly set the ID registers to advertise them, @@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj) * whereas the architecture requires them to be present in both if * present in either. */ - set_feature(&cpu->env, ARM_FEATURE_V8_SHA512); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA3); - set_feature(&cpu->env, ARM_FEATURE_V8_SM3); - set_feature(&cpu->env, ARM_FEATURE_V8_SM4); - set_feature(&cpu->env, ARM_FEATURE_V8_ATOMICS); - set_feature(&cpu->env, ARM_FEATURE_V8_RDM); - set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD); set_feature(&cpu->env, ARM_FEATURE_V8_FP16); - set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); set_feature(&cpu->env, ARM_FEATURE_SVE); /* For usermode -cpu max we can use a larger and more efficient DCZ * blocksize since we don't have to follow what the hardware does. diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) } if (rt2 == 31 && ((rt | rs) & 1) == 0 - && arm_dc_feature(s, ARM_FEATURE_V8_ATOMICS)) { + && dc_isar_feature(aa64_atomics, s)) { /* CASP / CASPL */ gen_compare_and_swap_pair(s, rs, rt, rn, size | 2); return; @@ -XXX,XX +XXX,XX @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) } if (rt2 == 31 && ((rt | rs) & 1) == 0 - && arm_dc_feature(s, ARM_FEATURE_V8_ATOMICS)) { + && dc_isar_feature(aa64_atomics, s)) { /* CASPA / CASPAL */ gen_compare_and_swap_pair(s, rs, rt, rn, size | 2); return; @@ -XXX,XX +XXX,XX @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) case 0xb: /* CASL */ case 0xe: /* CASA */ case 0xf: /* CASAL */ - if (rt2 == 31 && arm_dc_feature(s, ARM_FEATURE_V8_ATOMICS)) { + if (rt2 == 31 && dc_isar_feature(aa64_atomics, s)) { gen_compare_and_swap(s, rs, rt, rn, size); return; } @@ -XXX,XX +XXX,XX @@ static void disas_ldst_atomic(DisasContext *s, uint32_t insn, int rs = extract32(insn, 16, 5); int rn = extract32(insn, 5, 5); int o3_opc = extract32(insn, 12, 4); - int feature = ARM_FEATURE_V8_ATOMICS; TCGv_i64 tcg_rn, tcg_rs; AtomicThreeOpFn *fn; - if (is_vector) { + if (is_vector || !dc_isar_feature(aa64_atomics, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_ldst_atomic(DisasContext *s, uint32_t insn, unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { - unallocated_encoding(s); - return; - } if (rn == 31) { gen_check_sp_alignment(s); @@ -XXX,XX +XXX,XX @@ static void handle_crc32(DisasContext *s, TCGv_i64 tcg_acc, tcg_val; TCGv_i32 tcg_bytes; - if (!arm_dc_feature(s, ARM_FEATURE_CRC) + if (!dc_isar_feature(aa64_crc32, s) || (sf == 1 && sz != 3) || (sf == 0 && sz == 3)) { unallocated_encoding(s); @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_three_reg_same_extra(DisasContext *s, bool u = extract32(insn, 29, 1); TCGv_i32 ele1, ele2, ele3; TCGv_i64 res; - int feature; + bool feature; switch (u * 16 + opcode) { case 0x10: /* SQRDMLAH (vector) */ @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_three_reg_same_extra(DisasContext *s, unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_RDM; + feature = dc_isar_feature(aa64_rdm, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_diff(DisasContext *s, uint32_t insn) return; } if (size == 3) { - if (!arm_dc_feature(s, ARM_FEATURE_V8_PMULL)) { + if (!dc_isar_feature(aa64_pmull, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) int size = extract32(insn, 22, 2); bool u = extract32(insn, 29, 1); bool is_q = extract32(insn, 30, 1); - int feature, rot; + bool feature; + int rot; switch (u * 16 + opcode) { case 0x10: /* SQRDMLAH (vector) */ @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_RDM; + feature = dc_isar_feature(aa64_rdm, s); break; case 0x02: /* SDOT (vector) */ case 0x12: /* UDOT (vector) */ @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_DOTPROD; + feature = dc_isar_feature(aa64_dp, s); break; case 0x18: /* FCMLA, #0 */ case 0x19: /* FCMLA, #90 */ @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_FCMA; + feature = dc_isar_feature(aa64_fcma, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) break; case 0x1d: /* SQRDMLAH */ case 0x1f: /* SQRDMLSH */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + if (!dc_isar_feature(aa64_rdm, s)) { unallocated_encoding(s); return; } break; case 0x0e: /* SDOT */ case 0x1e: /* UDOT */ - if (size != MO_32 || !arm_dc_feature(s, ARM_FEATURE_V8_DOTPROD)) { + if (size != MO_32 || !dc_isar_feature(aa64_dp, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) case 0x13: /* FCMLA #90 */ case 0x15: /* FCMLA #180 */ case 0x17: /* FCMLA #270 */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA)) { + if (!dc_isar_feature(aa64_fcma, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_aes(DisasContext *s, uint32_t insn) TCGv_i32 tcg_decrypt; CryptoThreeOpIntFn *genfn; - if (!arm_dc_feature(s, ARM_FEATURE_V8_AES) - || size != 0) { + if (!dc_isar_feature(aa64_aes, s) || size != 0) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_three_reg_sha(DisasContext *s, uint32_t insn) int rd = extract32(insn, 0, 5); CryptoThreeOpFn *genfn; TCGv_ptr tcg_rd_ptr, tcg_rn_ptr, tcg_rm_ptr; - int feature = ARM_FEATURE_V8_SHA256; + bool feature; if (size != 0) { unallocated_encoding(s); @@ -XXX,XX +XXX,XX @@ static void disas_crypto_three_reg_sha(DisasContext *s, uint32_t insn) case 2: /* SHA1M */ case 3: /* SHA1SU0 */ genfn = NULL; - feature = ARM_FEATURE_V8_SHA1; + feature = dc_isar_feature(aa64_sha1, s); break; case 4: /* SHA256H */ genfn = gen_helper_crypto_sha256h; + feature = dc_isar_feature(aa64_sha256, s); break; case 5: /* SHA256H2 */ genfn = gen_helper_crypto_sha256h2; + feature = dc_isar_feature(aa64_sha256, s); break; case 6: /* SHA256SU1 */ genfn = gen_helper_crypto_sha256su1; + feature = dc_isar_feature(aa64_sha256, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_two_reg_sha(DisasContext *s, uint32_t insn) int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); CryptoTwoOpFn *genfn; - int feature; + bool feature; TCGv_ptr tcg_rd_ptr, tcg_rn_ptr; if (size != 0) { @@ -XXX,XX +XXX,XX @@ static void disas_crypto_two_reg_sha(DisasContext *s, uint32_t insn) switch (opcode) { case 0: /* SHA1H */ - feature = ARM_FEATURE_V8_SHA1; + feature = dc_isar_feature(aa64_sha1, s); genfn = gen_helper_crypto_sha1h; break; case 1: /* SHA1SU1 */ - feature = ARM_FEATURE_V8_SHA1; + feature = dc_isar_feature(aa64_sha1, s); genfn = gen_helper_crypto_sha1su1; break; case 2: /* SHA256SU0 */ - feature = ARM_FEATURE_V8_SHA256; + feature = dc_isar_feature(aa64_sha256, s); genfn = gen_helper_crypto_sha256su0; break; default: @@ -XXX,XX +XXX,XX @@ static void disas_crypto_two_reg_sha(DisasContext *s, uint32_t insn) return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_three_reg_sha512(DisasContext *s, uint32_t insn) int rm = extract32(insn, 16, 5); int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); - int feature; + bool feature; CryptoThreeOpFn *genfn; if (o == 0) { switch (opcode) { case 0: /* SHA512H */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512h; break; case 1: /* SHA512H2 */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512h2; break; case 2: /* SHA512SU1 */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512su1; break; case 3: /* RAX1 */ - feature = ARM_FEATURE_V8_SHA3; + feature = dc_isar_feature(aa64_sha3, s); genfn = NULL; break; } } else { switch (opcode) { case 0: /* SM3PARTW1 */ - feature = ARM_FEATURE_V8_SM3; + feature = dc_isar_feature(aa64_sm3, s); genfn = gen_helper_crypto_sm3partw1; break; case 1: /* SM3PARTW2 */ - feature = ARM_FEATURE_V8_SM3; + feature = dc_isar_feature(aa64_sm3, s); genfn = gen_helper_crypto_sm3partw2; break; case 2: /* SM4EKEY */ - feature = ARM_FEATURE_V8_SM4; + feature = dc_isar_feature(aa64_sm4, s); genfn = gen_helper_crypto_sm4ekey; break; default: @@ -XXX,XX +XXX,XX @@ static void disas_crypto_three_reg_sha512(DisasContext *s, uint32_t insn) } } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_two_reg_sha512(DisasContext *s, uint32_t insn) int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); TCGv_ptr tcg_rd_ptr, tcg_rn_ptr; - int feature; + bool feature; CryptoTwoOpFn *genfn; switch (opcode) { case 0: /* SHA512SU0 */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512su0; break; case 1: /* SM4E */ - feature = ARM_FEATURE_V8_SM4; + feature = dc_isar_feature(aa64_sm4, s); genfn = gen_helper_crypto_sm4e; break; default: @@ -XXX,XX +XXX,XX @@ static void disas_crypto_two_reg_sha512(DisasContext *s, uint32_t insn) return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_four_reg(DisasContext *s, uint32_t insn) int ra = extract32(insn, 10, 5); int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); - int feature; + bool feature; switch (op0) { case 0: /* EOR3 */ case 1: /* BCAX */ - feature = ARM_FEATURE_V8_SHA3; + feature = dc_isar_feature(aa64_sha3, s); break; case 2: /* SM3SS1 */ - feature = ARM_FEATURE_V8_SM3; + feature = dc_isar_feature(aa64_sm3, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_xar(DisasContext *s, uint32_t insn) TCGv_i64 tcg_op1, tcg_op2, tcg_res[2]; int pass; - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA3)) { + if (!dc_isar_feature(aa64_sha3, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_crypto_three_reg_imm2(DisasContext *s, uint32_t insn) TCGv_ptr tcg_rd_ptr, tcg_rn_ptr, tcg_rm_ptr; TCGv_i32 tcg_imm2, tcg_opcode; - if (!arm_dc_feature(s, ARM_FEATURE_V8_SM3)) { + if (!dc_isar_feature(aa64_sm3, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void aarch64_tr_init_disas_context(DisasContextBase *dcbase, ARMCPU *arm_cpu = arm_env_get_cpu(env); int bound; + dc->isar = &arm_cpu->isar; dc->pc = dc->base.pc_first; dc->condjmp = 0; diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static const uint8_t neon_2rm_sizes[] = { static int do_v81_helper(DisasContext *s, gen_helper_gvec_3_ptr *fn, int q, int rd, int rn, int rm) { - if (arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + if (dc_isar_feature(aa32_rdm, s)) { int opr_sz = (1 + q) * 8; tcg_gen_gvec_3_ptr(vfp_reg_offset(1, rd), vfp_reg_offset(1, rn), @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) return 1; } if (!u) { /* SHA-1 */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA1)) { + if (!dc_isar_feature(aa32_sha1, s)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) gen_helper_crypto_sha1_3reg(ptr1, ptr2, ptr3, tmp4); tcg_temp_free_i32(tmp4); } else { /* SHA-256 */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA256) || size == 3) { + if (!dc_isar_feature(aa32_sha2, s) || size == 3) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) if (op == 14 && size == 2) { TCGv_i64 tcg_rn, tcg_rm, tcg_rd; - if (!arm_dc_feature(s, ARM_FEATURE_V8_PMULL)) { + if (!dc_isar_feature(aa32_pmull, s)) { return 1; } tcg_rn = tcg_temp_new_i64(); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) { NeonGenThreeOpEnvFn *fn; - if (!arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + if (!dc_isar_feature(aa32_rdm, s)) { return 1; } if (u && ((rd | rn) & 1)) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; } case NEON_2RM_AESE: case NEON_2RM_AESMC: - if (!arm_dc_feature(s, ARM_FEATURE_V8_AES) - || ((rm | rd) & 1)) { + if (!dc_isar_feature(aa32_aes, s) || ((rm | rd) & 1)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tcg_temp_free_i32(tmp3); break; case NEON_2RM_SHA1H: - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA1) - || ((rm | rd) & 1)) { + if (!dc_isar_feature(aa32_sha1, s) || ((rm | rd) & 1)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } /* bit 6 (q): set -> SHA256SU0, cleared -> SHA1SU1 */ if (q) { - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA256)) { + if (!dc_isar_feature(aa32_sha2, s)) { return 1; } - } else if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA1)) { + } else if (!dc_isar_feature(aa32_sha1, s)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) /* VCMLA -- 1111 110R R.1S .... .... 1000 ...0 .... */ int size = extract32(insn, 20, 1); data = extract32(insn, 23, 2); /* rot */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA) + if (!dc_isar_feature(aa32_vcma, s) || (!size && !arm_dc_feature(s, ARM_FEATURE_V8_FP16))) { return 1; } @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) /* VCADD -- 1111 110R 1.0S .... .... 1000 ...0 .... */ int size = extract32(insn, 20, 1); data = extract32(insn, 24, 1); /* rot */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA) + if (!dc_isar_feature(aa32_vcma, s) || (!size && !arm_dc_feature(s, ARM_FEATURE_V8_FP16))) { return 1; } @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) } else if ((insn & 0xfeb00f00) == 0xfc200d00) { /* V[US]DOT -- 1111 1100 0.10 .... .... 1101 .Q.U .... */ bool u = extract32(insn, 4, 1); - if (!arm_dc_feature(s, ARM_FEATURE_V8_DOTPROD)) { + if (!dc_isar_feature(aa32_dp, s)) { return 1; } fn_gvec = u ? gen_helper_gvec_udot_b : gen_helper_gvec_sdot_b; @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn) int size = extract32(insn, 23, 1); int index; - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA)) { + if (!dc_isar_feature(aa32_vcma, s)) { return 1; } if (size == 0) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn) } else if ((insn & 0xffb00f00) == 0xfe200d00) { /* V[US]DOT -- 1111 1110 0.10 .... .... 1101 .Q.U .... */ int u = extract32(insn, 4, 1); - if (!arm_dc_feature(s, ARM_FEATURE_V8_DOTPROD)) { + if (!dc_isar_feature(aa32_dp, s)) { return 1; } fn_gvec = u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b; @@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) * op1 == 3 is UNPREDICTABLE but handle as UNDEFINED. * Bits 8, 10 and 11 should be zero. */ - if (!arm_dc_feature(s, ARM_FEATURE_CRC) || op1 == 0x3 || - (c & 0xd) != 0) { + if (!dc_isar_feature(aa32_crc32, s) || op1 == 0x3 || (c & 0xd) != 0) { goto illegal_op; } @@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) case 0x28: case 0x29: case 0x2a: - if (!arm_dc_feature(s, ARM_FEATURE_CRC)) { + if (!dc_isar_feature(aa32_crc32, s)) { goto illegal_op; } break; @@ -XXX,XX +XXX,XX @@ static void arm_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) CPUARMState *env = cs->env_ptr; ARMCPU *cpu = arm_env_get_cpu(env); + dc->isar = &cpu->isar; dc->pc = dc->base.pc_first; dc->condjmp = 0; -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Both arm and thumb2 division are controlled by the same ISAR field, which takes care of the arm implies thumb case. Having M imply thumb2 division was wrong for cortex-m0, which is v6m and does not have thumb2 at all, much less thumb2 division. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 12 ++++++++++-- linux-user/elfload.c | 4 ++-- target/arm/cpu.c | 10 +--------- target/arm/translate.c | 4 ++-- 4 files changed, 15 insertions(+), 15 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_VFP3, ARM_FEATURE_VFP_FP16, ARM_FEATURE_NEON, - ARM_FEATURE_THUMB_DIV, /* divide supported in Thumb encoding */ ARM_FEATURE_M, /* Microcontroller profile. */ ARM_FEATURE_OMAPCP, /* OMAP specific CP15 ops handling. */ ARM_FEATURE_THUMB2EE, @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_V5, ARM_FEATURE_STRONGARM, ARM_FEATURE_VAPA, /* cp15 VA to PA lookups */ - ARM_FEATURE_ARM_DIV, /* divide supported in ARM encoding */ ARM_FEATURE_VFP4, /* VFPv4 (implies that NEON is v2) */ ARM_FEATURE_GENERIC_TIMER, ARM_FEATURE_MVFR, /* Media and VFP Feature Registers 0 and 1 */ @@ -XXX,XX +XXX,XX @@ extern const uint64_t pred_esz_masks[4]; /* * 32-bit feature tests via id registers. */ +static inline bool isar_feature_thumb_div(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar0, ID_ISAR0, DIVIDE) != 0; +} + +static inline bool isar_feature_arm_div(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar0, ID_ISAR0, DIVIDE) > 1; +} + static inline bool isar_feature_aa32_aes(const ARMISARegisters *id) { return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) != 0; diff --git a/linux-user/elfload.c b/linux-user/elfload.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPv3); GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS); GET_FEATURE(ARM_FEATURE_VFP4, ARM_HWCAP_ARM_VFPv4); - GET_FEATURE(ARM_FEATURE_ARM_DIV, ARM_HWCAP_ARM_IDIVA); - GET_FEATURE(ARM_FEATURE_THUMB_DIV, ARM_HWCAP_ARM_IDIVT); + GET_FEATURE_ID(arm_div, ARM_HWCAP_ARM_IDIVA); + GET_FEATURE_ID(thumb_div, ARM_HWCAP_ARM_IDIVT); /* All QEMU's VFPv3 CPUs have 32 registers, see VFP_DREG in translate.c. * Note that the ARM_HWCAP_ARM_VFPv3D16 bit is always the inverse of * ARM_HWCAP_ARM_VFPD32 (and so always clear for QEMU); it is unrelated diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) * Presence of EL2 itself is ARM_FEATURE_EL2, and of the * Security Extensions is ARM_FEATURE_EL3. */ - set_feature(env, ARM_FEATURE_ARM_DIV); + assert(cpu_isar_feature(arm_div, cpu)); set_feature(env, ARM_FEATURE_LPAE); set_feature(env, ARM_FEATURE_V7); } @@ -XXX,XX +XXX,XX @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) if (arm_feature(env, ARM_FEATURE_V5)) { set_feature(env, ARM_FEATURE_V4T); } - if (arm_feature(env, ARM_FEATURE_M)) { - set_feature(env, ARM_FEATURE_THUMB_DIV); - } - if (arm_feature(env, ARM_FEATURE_ARM_DIV)) { - set_feature(env, ARM_FEATURE_THUMB_DIV); - } if (arm_feature(env, ARM_FEATURE_VFP4)) { set_feature(env, ARM_FEATURE_VFP3); set_feature(env, ARM_FEATURE_VFP_FP16); @@ -XXX,XX +XXX,XX @@ static void cortex_r5_initfn(Object *obj) ARMCPU *cpu = ARM_CPU(obj); set_feature(&cpu->env, ARM_FEATURE_V7); - set_feature(&cpu->env, ARM_FEATURE_THUMB_DIV); - set_feature(&cpu->env, ARM_FEATURE_ARM_DIV); set_feature(&cpu->env, ARM_FEATURE_V7MP); set_feature(&cpu->env, ARM_FEATURE_PMSA); cpu->midr = 0x411fc153; /* r1p3 */ diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) case 1: case 3: /* SDIV, UDIV */ - if (!arm_dc_feature(s, ARM_FEATURE_ARM_DIV)) { + if (!dc_isar_feature(arm_div, s)) { goto illegal_op; } if (((insn >> 5) & 7) || (rd != 15)) { @@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) tmp2 = load_reg(s, rm); if ((op & 0x50) == 0x10) { /* sdiv, udiv */ - if (!arm_dc_feature(s, ARM_FEATURE_THUMB_DIV)) { + if (!dc_isar_feature(thumb_div, s)) { goto illegal_op; } if (op & 0x20) -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Having V6 alone imply jazelle was wrong for cortex-m0. Change to an assertion for V6 & !M. This was harmless, because the only place we tested ARM_FEATURE_JAZELLE was for 'bxj' in disas_arm(), which is unreachable for M-profile cores. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-6-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 6 +++++- target/arm/cpu.c | 17 ++++++++++++++--- target/arm/translate.c | 2 +- 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_PMU, /* has PMU support */ ARM_FEATURE_VBAR, /* has cp15 VBAR */ ARM_FEATURE_M_SECURITY, /* M profile Security Extension */ - ARM_FEATURE_JAZELLE, /* has (trivial) Jazelle implementation */ ARM_FEATURE_SVE, /* has Scalable Vector Extension */ ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ ARM_FEATURE_M_MAIN, /* M profile Main Extension */ @@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_arm_div(const ARMISARegisters *id) return FIELD_EX32(id->id_isar0, ID_ISAR0, DIVIDE) > 1; } +static inline bool isar_feature_jazelle(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar1, ID_ISAR1, JAZELLE) != 0; +} + static inline bool isar_feature_aa32_aes(const ARMISARegisters *id) { return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) != 0; diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) } if (arm_feature(env, ARM_FEATURE_V6)) { set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_JAZELLE); if (!arm_feature(env, ARM_FEATURE_M)) { + assert(cpu_isar_feature(jazelle, cpu)); set_feature(env, ARM_FEATURE_AUXCR); } } @@ -XXX,XX +XXX,XX @@ static void arm926_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_VFP); set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN); - set_feature(&cpu->env, ARM_FEATURE_JAZELLE); cpu->midr = 0x41069265; cpu->reset_fpsid = 0x41011090; cpu->ctr = 0x1dd20d2; cpu->reset_sctlr = 0x00090078; + + /* + * ARMv5 does not have the ID_ISAR registers, but we can still + * set the field to indicate Jazelle support within QEMU. + */ + cpu->isar.id_isar1 = FIELD_DP32(cpu->isar.id_isar1, ID_ISAR1, JAZELLE, 1); } static void arm946_initfn(Object *obj) @@ -XXX,XX +XXX,XX @@ static void arm1026_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_AUXCR); set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN); - set_feature(&cpu->env, ARM_FEATURE_JAZELLE); cpu->midr = 0x4106a262; cpu->reset_fpsid = 0x410110a0; cpu->ctr = 0x1dd20d2; cpu->reset_sctlr = 0x00090078; cpu->reset_auxcr = 1; + + /* + * ARMv5 does not have the ID_ISAR registers, but we can still + * set the field to indicate Jazelle support within QEMU. + */ + cpu->isar.id_isar1 = FIELD_DP32(cpu->isar.id_isar1, ID_ISAR1, JAZELLE, 1); + { /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */ ARMCPRegInfo ifar = { diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ #define ENABLE_ARCH_5 arm_dc_feature(s, ARM_FEATURE_V5) /* currently all emulated v5 cores are also v5TE, so don't bother */ #define ENABLE_ARCH_5TE arm_dc_feature(s, ARM_FEATURE_V5) -#define ENABLE_ARCH_5J arm_dc_feature(s, ARM_FEATURE_JAZELLE) +#define ENABLE_ARCH_5J dc_isar_feature(jazelle, s) #define ENABLE_ARCH_6 arm_dc_feature(s, ARM_FEATURE_V6) #define ENABLE_ARCH_6K arm_dc_feature(s, ARM_FEATURE_V6K) #define ENABLE_ARCH_6T2 arm_dc_feature(s, ARM_FEATURE_THUMB2) -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-7-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 6 +++++- linux-user/elfload.c | 2 +- target/arm/cpu.c | 4 ---- target/arm/helper.c | 2 +- target/arm/machine.c | 3 +-- 5 files changed, 8 insertions(+), 9 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_NEON, ARM_FEATURE_M, /* Microcontroller profile. */ ARM_FEATURE_OMAPCP, /* OMAP specific CP15 ops handling. */ - ARM_FEATURE_THUMB2EE, ARM_FEATURE_V7MP, /* v7 Multiprocessing Extensions */ ARM_FEATURE_V7VE, /* v7 Virtualization Extensions (non-EL2 parts) */ ARM_FEATURE_V4T, @@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_jazelle(const ARMISARegisters *id) return FIELD_EX32(id->id_isar1, ID_ISAR1, JAZELLE) != 0; } +static inline bool isar_feature_t32ee(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar3, ID_ISAR3, T32EE) != 0; +} + static inline bool isar_feature_aa32_aes(const ARMISARegisters *id) { return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) != 0; diff --git a/linux-user/elfload.c b/linux-user/elfload.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP); GET_FEATURE(ARM_FEATURE_VFP, ARM_HWCAP_ARM_VFP); GET_FEATURE(ARM_FEATURE_IWMMXT, ARM_HWCAP_ARM_IWMMXT); - GET_FEATURE(ARM_FEATURE_THUMB2EE, ARM_HWCAP_ARM_THUMBEE); + GET_FEATURE_ID(t32ee, ARM_HWCAP_ARM_THUMBEE); GET_FEATURE(ARM_FEATURE_NEON, ARM_HWCAP_ARM_NEON); GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPv3); GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS); diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void cortex_a8_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_V7); set_feature(&cpu->env, ARM_FEATURE_VFP3); set_feature(&cpu->env, ARM_FEATURE_NEON); - set_feature(&cpu->env, ARM_FEATURE_THUMB2EE); set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); set_feature(&cpu->env, ARM_FEATURE_EL3); cpu->midr = 0x410fc080; @@ -XXX,XX +XXX,XX @@ static void cortex_a9_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_VFP3); set_feature(&cpu->env, ARM_FEATURE_VFP_FP16); set_feature(&cpu->env, ARM_FEATURE_NEON); - set_feature(&cpu->env, ARM_FEATURE_THUMB2EE); set_feature(&cpu->env, ARM_FEATURE_EL3); /* Note that A9 supports the MP extensions even for * A9UP and single-core A9MP (which are both different @@ -XXX,XX +XXX,XX @@ static void cortex_a7_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_V7VE); set_feature(&cpu->env, ARM_FEATURE_VFP4); set_feature(&cpu->env, ARM_FEATURE_NEON); - set_feature(&cpu->env, ARM_FEATURE_THUMB2EE); set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); @@ -XXX,XX +XXX,XX @@ static void cortex_a15_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_V7VE); set_feature(&cpu->env, ARM_FEATURE_VFP4); set_feature(&cpu->env, ARM_FEATURE_NEON); - set_feature(&cpu->env, ARM_FEATURE_THUMB2EE); set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) define_arm_cp_regs(cpu, vmsa_pmsa_cp_reginfo); define_arm_cp_regs(cpu, vmsa_cp_reginfo); } - if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { + if (cpu_isar_feature(t32ee, cpu)) { define_arm_cp_regs(cpu, t2ee_cp_reginfo); } if (arm_feature(env, ARM_FEATURE_GENERIC_TIMER)) { diff --git a/target/arm/machine.c b/target/arm/machine.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/machine.c +++ b/target/arm/machine.c @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_m = { static bool thumb2ee_needed(void *opaque) { ARMCPU *cpu = opaque; - CPUARMState *env = &cpu->env; - return arm_feature(env, ARM_FEATURE_THUMB2EE); + return cpu_isar_feature(t32ee, cpu); } static const VMStateDescription vmstate_thumb2ee = { -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-8-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 16 +++++++++++++++- linux-user/aarch64/signal.c | 4 ++-- linux-user/elfload.c | 2 +- linux-user/syscall.c | 10 ++++++---- target/arm/cpu64.c | 5 ++++- target/arm/helper.c | 9 ++++++--- target/arm/machine.c | 3 +-- target/arm/translate-a64.c | 4 ++-- 8 files changed, 37 insertions(+), 16 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ FIELD(ID_AA64ISAR1, FRINTTS, 32, 4) FIELD(ID_AA64ISAR1, SB, 36, 4) FIELD(ID_AA64ISAR1, SPECRES, 40, 4) +FIELD(ID_AA64PFR0, EL0, 0, 4) +FIELD(ID_AA64PFR0, EL1, 4, 4) +FIELD(ID_AA64PFR0, EL2, 8, 4) +FIELD(ID_AA64PFR0, EL3, 12, 4) +FIELD(ID_AA64PFR0, FP, 16, 4) +FIELD(ID_AA64PFR0, ADVSIMD, 20, 4) +FIELD(ID_AA64PFR0, GIC, 24, 4) +FIELD(ID_AA64PFR0, RAS, 28, 4) +FIELD(ID_AA64PFR0, SVE, 32, 4) + QEMU_BUILD_BUG_ON(ARRAY_SIZE(((ARMCPU *)0)->ccsidr) <= R_V7M_CSSELR_INDEX_MASK); /* If adding a feature bit which corresponds to a Linux ELF @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_PMU, /* has PMU support */ ARM_FEATURE_VBAR, /* has cp15 VBAR */ ARM_FEATURE_M_SECURITY, /* M profile Security Extension */ - ARM_FEATURE_SVE, /* has Scalable Vector Extension */ ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ ARM_FEATURE_M_MAIN, /* M profile Main Extension */ }; @@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id) return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0; } +static inline bool isar_feature_aa64_sve(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SVE) != 0; +} + /* * Forward to the above feature tests given an ARMCPU pointer. */ diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -XXX,XX +XXX,XX @@ static int target_restore_sigframe(CPUARMState *env, break; case TARGET_SVE_MAGIC: - if (arm_feature(env, ARM_FEATURE_SVE)) { + if (cpu_isar_feature(aa64_sve, arm_env_get_cpu(env))) { vq = (env->vfp.zcr_el[1] & 0xf) + 1; sve_size = QEMU_ALIGN_UP(TARGET_SVE_SIG_CONTEXT_SIZE(vq), 16); if (!sve && size == sve_size) { @@ -XXX,XX +XXX,XX @@ static void target_setup_frame(int usig, struct target_sigaction *ka, &layout); /* SVE state needs saving only if it exists. */ - if (arm_feature(env, ARM_FEATURE_SVE)) { + if (cpu_isar_feature(aa64_sve, arm_env_get_cpu(env))) { vq = (env->vfp.zcr_el[1] & 0xf) + 1; sve_size = QEMU_ALIGN_UP(TARGET_SVE_SIG_CONTEXT_SIZE(vq), 16); sve_ofs = alloc_sigframe_space(sve_size, &layout); diff --git a/linux-user/elfload.c b/linux-user/elfload.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM); GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP); GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA); - GET_FEATURE(ARM_FEATURE_SVE, ARM_HWCAP_A64_SVE); + GET_FEATURE_ID(aa64_sve, ARM_HWCAP_A64_SVE); #undef GET_FEATURE #undef GET_FEATURE_ID diff --git a/linux-user/syscall.c b/linux-user/syscall.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -XXX,XX +XXX,XX @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, * even though the current architectural maximum is VQ=16. */ ret = -TARGET_EINVAL; - if (arm_feature(cpu_env, ARM_FEATURE_SVE) + if (cpu_isar_feature(aa64_sve, arm_env_get_cpu(cpu_env)) && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { CPUARMState *env = cpu_env; ARMCPU *cpu = arm_env_get_cpu(env); @@ -XXX,XX +XXX,XX @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; case TARGET_PR_SVE_GET_VL: ret = -TARGET_EINVAL; - if (arm_feature(cpu_env, ARM_FEATURE_SVE)) { - CPUARMState *env = cpu_env; - ret = ((env->vfp.zcr_el[1] & 0xf) + 1) * 16; + { + ARMCPU *cpu = arm_env_get_cpu(cpu_env); + if (cpu_isar_feature(aa64_sve, cpu)) { + ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16; + } } return ret; #endif /* AARCH64 */ diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1); cpu->isar.id_aa64isar1 = t; + t = cpu->isar.id_aa64pfr0; + t = FIELD_DP64(t, ID_AA64PFR0, SVE, 1); + cpu->isar.id_aa64pfr0 = t; + /* Replicate the same data to the 32-bit id registers. */ u = cpu->isar.id_isar5; u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */ @@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj) * present in either. */ set_feature(&cpu->env, ARM_FEATURE_V8_FP16); - set_feature(&cpu->env, ARM_FEATURE_SVE); /* For usermode -cpu max we can use a larger and more efficient DCZ * blocksize since we don't have to follow what the hardware does. */ diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ void register_cp_regs_for_features(ARMCPU *cpu) define_one_arm_cp_reg(cpu, &sctlr); } - if (arm_feature(env, ARM_FEATURE_SVE)) { + if (cpu_isar_feature(aa64_sve, cpu)) { define_one_arm_cp_reg(cpu, &zcr_el1_reginfo); if (arm_feature(env, ARM_FEATURE_EL2)) { define_one_arm_cp_reg(cpu, &zcr_el2_reginfo); @@ -XXX,XX +XXX,XX @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc, uint32_t flags; if (is_a64(env)) { + ARMCPU *cpu = arm_env_get_cpu(env); + *pc = env->pc; flags = ARM_TBFLAG_AARCH64_STATE_MASK; /* Get control bits for tagged addresses */ flags |= (arm_regime_tbi0(env, mmu_idx) << ARM_TBFLAG_TBI0_SHIFT); flags |= (arm_regime_tbi1(env, mmu_idx) << ARM_TBFLAG_TBI1_SHIFT); - if (arm_feature(env, ARM_FEATURE_SVE)) { + if (cpu_isar_feature(aa64_sve, cpu)) { int sve_el = sve_exception_el(env, current_el); uint32_t zcr_len; @@ -XXX,XX +XXX,XX @@ void aarch64_sve_narrow_vq(CPUARMState *env, unsigned vq) void aarch64_sve_change_el(CPUARMState *env, int old_el, int new_el, bool el0_a64) { + ARMCPU *cpu = arm_env_get_cpu(env); int old_len, new_len; bool old_a64, new_a64; /* Nothing to do if no SVE. */ - if (!arm_feature(env, ARM_FEATURE_SVE)) { + if (!cpu_isar_feature(aa64_sve, cpu)) { return; } diff --git a/target/arm/machine.c b/target/arm/machine.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/machine.c +++ b/target/arm/machine.c @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_iwmmxt = { static bool sve_needed(void *opaque) { ARMCPU *cpu = opaque; - CPUARMState *env = &cpu->env; - return arm_feature(env, ARM_FEATURE_SVE); + return cpu_isar_feature(aa64_sve, cpu); } /* The first two words of each Zreg is stored in VFP state. */ diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ void aarch64_cpu_dump_state(CPUState *cs, FILE *f, cpu_fprintf(f, " FPCR=%08x FPSR=%08x\n", vfp_get_fpcr(env), vfp_get_fpsr(env)); - if (arm_feature(env, ARM_FEATURE_SVE) && sve_exception_el(env, el) == 0) { + if (cpu_isar_feature(aa64_sve, cpu) && sve_exception_el(env, el) == 0) { int j, zcr_len = sve_zcr_len_for_el(env, el); for (i = 0; i <= FFR_PRED_NUM; i++) { @@ -XXX,XX +XXX,XX @@ static void disas_a64_insn(CPUARMState *env, DisasContext *s) unallocated_encoding(s); break; case 0x2: - if (!arm_dc_feature(s, ARM_FEATURE_SVE) || !disas_sve(s, insn)) { + if (!dc_isar_feature(aa64_sve, s) || !disas_sve(s, insn)) { unallocated_encoding(s); } break; -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-9-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/cpu.h | 17 +++++++++++++++- linux-user/elfload.c | 6 +----- target/arm/cpu64.c | 16 ++++++++------- target/arm/helper.c | 2 +- target/arm/translate-a64.c | 40 +++++++++++++++++++------------------- target/arm/translate.c | 6 +++--- 6 files changed, 50 insertions(+), 37 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -XXX,XX +XXX,XX @@ enum arm_features { ARM_FEATURE_PMU, /* has PMU support */ ARM_FEATURE_VBAR, /* has cp15 VBAR */ ARM_FEATURE_M_SECURITY, /* M profile Security Extension */ - ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ ARM_FEATURE_M_MAIN, /* M profile Main Extension */ }; @@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_aa32_dp(const ARMISARegisters *id) return FIELD_EX32(id->id_isar6, ID_ISAR6, DP) != 0; } +static inline bool isar_feature_aa32_fp16_arith(const ARMISARegisters *id) +{ + /* + * This is a placeholder for use by VCMA until the rest of + * the ARMv8.2-FP16 extension is implemented for aa32 mode. + * At which point we can properly set and check MVFR1.FPHP. + */ + return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, FP) == 1; +} + /* * 64-bit feature tests via id registers. */ @@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id) return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0; } +static inline bool isar_feature_aa64_fp16(const ARMISARegisters *id) +{ + /* We always set the AdvSIMD and FP fields identically wrt FP16. */ + return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, FP) == 1; +} + static inline bool isar_feature_aa64_sve(const ARMISARegisters *id) { return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SVE) != 0; diff --git a/linux-user/elfload.c b/linux-user/elfload.c index XXXXXXX..XXXXXXX 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) hwcaps |= ARM_HWCAP_A64_ASIMD; /* probe for the extra features */ -#define GET_FEATURE(feat, hwcap) \ - do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) #define GET_FEATURE_ID(feat, hwcap) \ do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) @@ -XXX,XX +XXX,XX @@ static uint32_t get_elf_hwcap(void) GET_FEATURE_ID(aa64_sha3, ARM_HWCAP_A64_SHA3); GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3); GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4); - GET_FEATURE(ARM_FEATURE_V8_FP16, - ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); + GET_FEATURE_ID(aa64_fp16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS); GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM); GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP); GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA); GET_FEATURE_ID(aa64_sve, ARM_HWCAP_A64_SVE); -#undef GET_FEATURE #undef GET_FEATURE_ID return hwcaps; diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj) t = cpu->isar.id_aa64pfr0; t = FIELD_DP64(t, ID_AA64PFR0, SVE, 1); + t = FIELD_DP64(t, ID_AA64PFR0, FP, 1); + t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1); cpu->isar.id_aa64pfr0 = t; /* Replicate the same data to the 32-bit id registers. */ @@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj) u = FIELD_DP32(u, ID_ISAR6, DP, 1); cpu->isar.id_isar6 = u; -#ifdef CONFIG_USER_ONLY - /* We don't set these in system emulation mode for the moment, - * since we don't correctly set the ID registers to advertise them, - * and in some cases they're only available in AArch64 and not AArch32, - * whereas the architecture requires them to be present in both if - * present in either. + /* + * FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet, + * so do not set MVFR1.FPHP. Strictly speaking this is not legal, + * but it is also not legal to enable SVE without support for FP16, + * and enabling SVE in system mode is more useful in the short term. */ - set_feature(&cpu->env, ARM_FEATURE_V8_FP16); + +#ifdef CONFIG_USER_ONLY /* For usermode -cpu max we can use a larger and more efficient DCZ * blocksize since we don't have to follow what the hardware does. */ diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ void HELPER(vfp_set_fpscr)(CPUARMState *env, uint32_t val) uint32_t changed; /* When ARMv8.2-FP16 is not supported, FZ16 is RES0. */ - if (!arm_feature(env, ARM_FEATURE_V8_FP16)) { + if (!cpu_isar_feature(aa64_fp16, arm_env_get_cpu(env))) { val &= ~FPCR_FZ16; } diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_fp_compare(DisasContext *s, uint32_t insn) break; case 3: size = MO_16; - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_fp_ccomp(DisasContext *s, uint32_t insn) break; case 3: size = MO_16; - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_fp_csel(DisasContext *s, uint32_t insn) break; case 3: sz = MO_16; - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_fp_1src(DisasContext *s, uint32_t insn) handle_fp_1src_double(s, opcode, rd, rn); break; case 3: - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_fp_2src(DisasContext *s, uint32_t insn) handle_fp_2src_double(s, opcode, rd, rn, rm); break; case 3: - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_fp_3src(DisasContext *s, uint32_t insn) handle_fp_3src_double(s, o0, o1, rd, rn, rm, ra); break; case 3: - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_fp_imm(DisasContext *s, uint32_t insn) break; case 3: sz = MO_16; - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_fp_fixed_conv(DisasContext *s, uint32_t insn) case 1: /* float64 */ break; case 3: /* float16 */ - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_fp_int_conv(DisasContext *s, uint32_t insn) break; case 0x6: /* 16-bit float, 32-bit int */ case 0xe: /* 16-bit float, 64-bit int */ - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_fp_int_conv(DisasContext *s, uint32_t insn) case 1: /* float64 */ break; case 3: /* float16 */ - if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (dc_isar_feature(aa64_fp16, s)) { break; } /* fallthru */ @@ -XXX,XX +XXX,XX @@ static void disas_simd_across_lanes(DisasContext *s, uint32_t insn) */ is_min = extract32(size, 1, 1); is_fp = true; - if (!is_u && arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!is_u && dc_isar_feature(aa64_fp16, s)) { size = 1; } else if (!is_u || !is_q || extract32(size, 0, 1)) { unallocated_encoding(s); @@ -XXX,XX +XXX,XX @@ static void disas_simd_mod_imm(DisasContext *s, uint32_t insn) if (o2 != 0 || ((cmode == 0xf) && is_neg && !is_q)) { /* Check for FMOV (vector, immediate) - half-precision */ - if (!(arm_dc_feature(s, ARM_FEATURE_V8_FP16) && o2 && cmode == 0xf)) { + if (!(dc_isar_feature(aa64_fp16, s) && o2 && cmode == 0xf)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_pairwise(DisasContext *s, uint32_t insn) case 0x2f: /* FMINP */ /* FP op, size[0] is 32 or 64 bit*/ if (!u) { - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } else { @@ -XXX,XX +XXX,XX @@ static void handle_simd_shift_intfp_conv(DisasContext *s, bool is_scalar, size = MO_32; } else if (immh & 2) { size = MO_16; - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void handle_simd_shift_fpint_conv(DisasContext *s, bool is_scalar, size = MO_32; } else if (immh & 0x2) { size = MO_16; - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_three_reg_same_fp16(DisasContext *s, return; } - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); } @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) TCGv_ptr fpst; bool pairwise = false; - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) case 0x1c: /* FCADD, #90 */ case 0x1e: /* FCADD, #270 */ if (size == 0 - || (size == 1 && !arm_dc_feature(s, ARM_FEATURE_V8_FP16)) + || (size == 1 && !dc_isar_feature(aa64_fp16, s)) || (size == 3 && !is_q)) { unallocated_encoding(s); return; @@ -XXX,XX +XXX,XX @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn) bool need_fpst = true; int rmode; - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } @@ -XXX,XX +XXX,XX @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) } break; } - if (is_fp16 && !arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (is_fp16 && !dc_isar_feature(aa64_fp16, s)) { unallocated_encoding(s); return; } diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) int size = extract32(insn, 20, 1); data = extract32(insn, 23, 2); /* rot */ if (!dc_isar_feature(aa32_vcma, s) - || (!size && !arm_dc_feature(s, ARM_FEATURE_V8_FP16))) { + || (!size && !dc_isar_feature(aa32_fp16_arith, s))) { return 1; } fn_gvec_ptr = size ? gen_helper_gvec_fcmlas : gen_helper_gvec_fcmlah; @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) int size = extract32(insn, 20, 1); data = extract32(insn, 24, 1); /* rot */ if (!dc_isar_feature(aa32_vcma, s) - || (!size && !arm_dc_feature(s, ARM_FEATURE_V8_FP16))) { + || (!size && !dc_isar_feature(aa32_fp16_arith, s))) { return 1; } fn_gvec_ptr = size ? gen_helper_gvec_fcadds : gen_helper_gvec_fcaddh; @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn) return 1; } if (size == 0) { - if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + if (!dc_isar_feature(aa32_fp16_arith, s)) { return 1; } /* For fp16, rm is just Vm, and index is M. */ -- 2.19.1 For AArch32, exception return happens through certain kinds of CPSR write. We don't currently have any CPU_LOG_INT logging of these events (unlike AArch64, where we log in the ERET instruction). Add some suitable logging. This will log exception returns like this: Exception return from AArch32 hyp to usr PC 0x80100374 paralleling the existing logging in the exception_return helper for AArch64 exception returns: Exception return from AArch64 EL2 to AArch64 EL0 PC 0x8003045c Exception return from AArch64 EL2 to AArch32 EL0 PC 0x8003045c (Note that an AArch32 exception return can only be AArch32->AArch32, never to AArch64.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-2-peter.maydell@linaro.org --- target/arm/internals.h | 18 ++++++++++++++++++ target/arm/helper.c | 10 ++++++++++ target/arm/translate.c | 7 +------ 3 files changed, 29 insertions(+), 6 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -XXX,XX +XXX,XX @@ static inline uint32_t v7m_sp_limit(CPUARMState *env) } } +/** + * aarch32_mode_name(): Return name of the AArch32 CPU mode + * @psr: Program Status Register indicating CPU mode + * + * Returns, for debug logging purposes, a printable representation + * of the AArch32 CPU mode ("svc", "usr", etc) as indicated by + * the low bits of the specified PSR. + */ +static inline const char *aarch32_mode_name(uint32_t psr) +{ + static const char cpu_mode_names[16][4] = { + "usr", "fiq", "irq", "svc", "???", "???", "mon", "abt", + "???", "???", "hyp", "und", "???", "???", "???", "sys" + }; + + return cpu_mode_names[psr & 0xf]; +} + #endif diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ void cpsr_write(CPUARMState *env, uint32_t val, uint32_t mask, mask |= CPSR_IL; val |= CPSR_IL; } + qemu_log_mask(LOG_GUEST_ERROR, + "Illegal AArch32 mode switch attempt from %s to %s\n", + aarch32_mode_name(env->uncached_cpsr), + aarch32_mode_name(val)); } else { + qemu_log_mask(CPU_LOG_INT, "%s %s to %s PC 0x%" PRIx32 "\n", + write_type == CPSRWriteExceptionReturn ? + "Exception return from AArch32" : + "AArch32 mode switch from", + aarch32_mode_name(env->uncached_cpsr), + aarch32_mode_name(val), env->regs[15]); switch_mode(env, val & CPSR_M); } } diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb) translator_loop(ops, &dc.base, cpu, tb); } -static const char *cpu_mode_names[16] = { - "usr", "fiq", "irq", "svc", "???", "???", "mon", "abt", - "???", "???", "hyp", "und", "???", "???", "???", "sys" -}; - void arm_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, int flags) { @@ -XXX,XX +XXX,XX @@ void arm_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, psr & CPSR_V ? 'V' : '-', psr & CPSR_T ? 'T' : 'A', ns_status, - cpu_mode_names[psr & 0xf], (psr & 0x10) ? 32 : 26); + aarch32_mode_name(psr), (psr & 0x10) ? 32 : 26); } if (flags & CPU_DUMP_FPU) { -- 2.19.1 The switch_mode() function is defined in target/arm/helper.c and used only in that file and nowhere else, so we can make it file-local rather than global. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-3-peter.maydell@linaro.org --- target/arm/internals.h | 1 - target/arm/helper.c | 6 ++++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -XXX,XX +XXX,XX @@ static inline int bank_number(int mode) g_assert_not_reached(); } -void switch_mode(CPUARMState *, int); void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu); void arm_translate_init(void); diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static void v8m_security_lookup(CPUARMState *env, uint32_t address, V8M_SAttributes *sattrs); #endif +static void switch_mode(CPUARMState *env, int mode); + static int vfp_gdb_get_reg(CPUARMState *env, uint8_t *buf, int reg) { int nregs; @@ -XXX,XX +XXX,XX @@ uint32_t HELPER(v7m_tt)(CPUARMState *env, uint32_t addr, uint32_t op) return 0; } -void switch_mode(CPUARMState *env, int mode) +static void switch_mode(CPUARMState *env, int mode) { ARMCPU *cpu = arm_env_get_cpu(env); @@ -XXX,XX +XXX,XX @@ void aarch64_sync_64_to_32(CPUARMState *env) #else -void switch_mode(CPUARMState *env, int mode) +static void switch_mode(CPUARMState *env, int mode) { int old_mode; int i; -- 2.19.1 The HCR.FB virtualization configuration register bit requests that TLB maintenance, branch predictor invalidate-all and icache invalidate-all operations performed in NS EL1 should be upgraded from "local CPU only to "broadcast within Inner Shareable domain". For QEMU we NOP the branch predictor and icache operations, so we only need to upgrade the TLB invalidates: AArch32 TLBIALL, TLBIMVA, TLBIASID, DTLBIALL, DTLBIMVA, DTLBIASID, ITLBIALL, ITLBIMVA, ITLBIASID, TLBIMVAA, TLBIMVAL, TLBIMVAAL AArch64 TLBI VMALLE1, TLBI VAE1, TLBI ASIDE1, TLBI VAAE1, TLBI VALE1, TLBI VAALE1 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-4-peter.maydell@linaro.org --- target/arm/helper.c | 191 +++++++++++++++++++++++++++----------------- 1 file changed, 116 insertions(+), 75 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static void contextidr_write(CPUARMState *env, const ARMCPRegInfo *ri, raw_write(env, ri, value); } -static void tlbiall_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - /* Invalidate all (TLBIALL) */ - ARMCPU *cpu = arm_env_get_cpu(env); - - tlb_flush(CPU(cpu)); -} - -static void tlbimva_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - /* Invalidate single TLB entry by MVA and ASID (TLBIMVA) */ - ARMCPU *cpu = arm_env_get_cpu(env); - - tlb_flush_page(CPU(cpu), value & TARGET_PAGE_MASK); -} - -static void tlbiasid_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - /* Invalidate by ASID (TLBIASID) */ - ARMCPU *cpu = arm_env_get_cpu(env); - - tlb_flush(CPU(cpu)); -} - -static void tlbimvaa_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - /* Invalidate single entry by MVA, all ASIDs (TLBIMVAA) */ - ARMCPU *cpu = arm_env_get_cpu(env); - - tlb_flush_page(CPU(cpu), value & TARGET_PAGE_MASK); -} - /* IS variants of TLB operations must affect all cores */ static void tlbiall_is_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) @@ -XXX,XX +XXX,XX @@ static void tlbimvaa_is_write(CPUARMState *env, const ARMCPRegInfo *ri, tlb_flush_page_all_cpus_synced(cs, value & TARGET_PAGE_MASK); } +/* + * Non-IS variants of TLB operations are upgraded to + * IS versions if we are at NS EL1 and HCR_EL2.FB is set to + * force broadcast of these operations. + */ +static bool tlb_force_broadcast(CPUARMState *env) +{ + return (env->cp15.hcr_el2 & HCR_FB) && + arm_current_el(env) == 1 && arm_is_secure_below_el3(env); +} + +static void tlbiall_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate all (TLBIALL) */ + ARMCPU *cpu = arm_env_get_cpu(env); + + if (tlb_force_broadcast(env)) { + tlbiall_is_write(env, NULL, value); + return; + } + + tlb_flush(CPU(cpu)); +} + +static void tlbimva_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate single TLB entry by MVA and ASID (TLBIMVA) */ + ARMCPU *cpu = arm_env_get_cpu(env); + + if (tlb_force_broadcast(env)) { + tlbimva_is_write(env, NULL, value); + return; + } + + tlb_flush_page(CPU(cpu), value & TARGET_PAGE_MASK); +} + +static void tlbiasid_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate by ASID (TLBIASID) */ + ARMCPU *cpu = arm_env_get_cpu(env); + + if (tlb_force_broadcast(env)) { + tlbiasid_is_write(env, NULL, value); + return; + } + + tlb_flush(CPU(cpu)); +} + +static void tlbimvaa_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate single entry by MVA, all ASIDs (TLBIMVAA) */ + ARMCPU *cpu = arm_env_get_cpu(env); + + if (tlb_force_broadcast(env)) { + tlbimvaa_is_write(env, NULL, value); + return; + } + + tlb_flush_page(CPU(cpu), value & TARGET_PAGE_MASK); +} + static void tlbiall_nsnh_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -XXX,XX +XXX,XX @@ static CPAccessResult aa64_cacheop_access(CPUARMState *env, * Page D4-1736 (DDI0487A.b) */ -static void tlbi_aa64_vmalle1_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - CPUState *cs = ENV_GET_CPU(env); - - if (arm_is_secure_below_el3(env)) { - tlb_flush_by_mmuidx(cs, - ARMMMUIdxBit_S1SE1 | - ARMMMUIdxBit_S1SE0); - } else { - tlb_flush_by_mmuidx(cs, - ARMMMUIdxBit_S12NSE1 | - ARMMMUIdxBit_S12NSE0); - } -} - static void tlbi_aa64_vmalle1is_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -XXX,XX +XXX,XX @@ static void tlbi_aa64_vmalle1is_write(CPUARMState *env, const ARMCPRegInfo *ri, } } +static void tlbi_aa64_vmalle1_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + CPUState *cs = ENV_GET_CPU(env); + + if (tlb_force_broadcast(env)) { + tlbi_aa64_vmalle1_write(env, NULL, value); + return; + } + + if (arm_is_secure_below_el3(env)) { + tlb_flush_by_mmuidx(cs, + ARMMMUIdxBit_S1SE1 | + ARMMMUIdxBit_S1SE0); + } else { + tlb_flush_by_mmuidx(cs, + ARMMMUIdxBit_S12NSE1 | + ARMMMUIdxBit_S12NSE0); + } +} + static void tlbi_aa64_alle1_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -XXX,XX +XXX,XX @@ static void tlbi_aa64_alle3is_write(CPUARMState *env, const ARMCPRegInfo *ri, tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_S1E3); } -static void tlbi_aa64_vae1_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - /* Invalidate by VA, EL1&0 (AArch64 version). - * Currently handles all of VAE1, VAAE1, VAALE1 and VALE1, - * since we don't support flush-for-specific-ASID-only or - * flush-last-level-only. - */ - ARMCPU *cpu = arm_env_get_cpu(env); - CPUState *cs = CPU(cpu); - uint64_t pageaddr = sextract64(value << 12, 0, 56); - - if (arm_is_secure_below_el3(env)) { - tlb_flush_page_by_mmuidx(cs, pageaddr, - ARMMMUIdxBit_S1SE1 | - ARMMMUIdxBit_S1SE0); - } else { - tlb_flush_page_by_mmuidx(cs, pageaddr, - ARMMMUIdxBit_S12NSE1 | - ARMMMUIdxBit_S12NSE0); - } -} - static void tlbi_aa64_vae2_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -XXX,XX +XXX,XX @@ static void tlbi_aa64_vae1is_write(CPUARMState *env, const ARMCPRegInfo *ri, } } +static void tlbi_aa64_vae1_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate by VA, EL1&0 (AArch64 version). + * Currently handles all of VAE1, VAAE1, VAALE1 and VALE1, + * since we don't support flush-for-specific-ASID-only or + * flush-last-level-only. + */ + ARMCPU *cpu = arm_env_get_cpu(env); + CPUState *cs = CPU(cpu); + uint64_t pageaddr = sextract64(value << 12, 0, 56); + + if (tlb_force_broadcast(env)) { + tlbi_aa64_vae1is_write(env, NULL, value); + return; + } + + if (arm_is_secure_below_el3(env)) { + tlb_flush_page_by_mmuidx(cs, pageaddr, + ARMMMUIdxBit_S1SE1 | + ARMMMUIdxBit_S1SE0); + } else { + tlb_flush_page_by_mmuidx(cs, pageaddr, + ARMMMUIdxBit_S12NSE1 | + ARMMMUIdxBit_S12NSE0); + } +} + static void tlbi_aa64_vae2is_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { -- 2.19.1 The HCR.DC virtualization configuration register bit has the following effects: * SCTLR.M behaves as if it is 0 for all purposes except direct reads of the bit * HCR.VM behaves as if it is 1 for all purposes except direct reads of the bit * the memory type produced by the first stage of the EL1&EL0 translation regime is Normal Non-Shareable, Inner Write-Back Read-Allocate Write-Allocate, Outer Write-Back Read-Allocate Write-Allocate. Implement this behaviour. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-5-peter.maydell@linaro.org --- target/arm/helper.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value, * * The Non-secure TTBCR.EAE bit is set to 1 * * The implementation includes EL2, and the value of HCR.VM is 1 * + * (Note that HCR.DC makes HCR.VM behave as if it is 1.) + * * ATS1Hx always uses the 64bit format (not supported yet). */ format64 = arm_s1_regime_using_lpae_format(env, mmu_idx); if (arm_feature(env, ARM_FEATURE_EL2)) { if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) { - format64 |= env->cp15.hcr_el2 & HCR_VM; + format64 |= env->cp15.hcr_el2 & (HCR_VM | HCR_DC); } else { format64 |= arm_current_el(env) == 2; } @@ -XXX,XX +XXX,XX @@ static inline bool regime_translation_disabled(CPUARMState *env, } if (mmu_idx == ARMMMUIdx_S2NS) { - return (env->cp15.hcr_el2 & HCR_VM) == 0; + /* HCR.DC means HCR.VM behaves as 1 */ + return (env->cp15.hcr_el2 & (HCR_DC | HCR_VM)) == 0; } if (env->cp15.hcr_el2 & HCR_TGE) { @@ -XXX,XX +XXX,XX @@ static inline bool regime_translation_disabled(CPUARMState *env, } } + if ((env->cp15.hcr_el2 & HCR_DC) && + (mmu_idx == ARMMMUIdx_S1NSE0 || mmu_idx == ARMMMUIdx_S1NSE1)) { + /* HCR.DC means SCTLR_EL1.M behaves as 0 */ + return true; + } + return (regime_sctlr(env, mmu_idx) & SCTLR_M) == 0; } @@ -XXX,XX +XXX,XX @@ static bool get_phys_addr(CPUARMState *env, target_ulong address, /* Combine the S1 and S2 cache attributes, if needed */ if (!ret && cacheattrs != NULL) { + if (env->cp15.hcr_el2 & HCR_DC) { + /* + * HCR.DC forces the first stage attributes to + * Normal Non-Shareable, + * Inner Write-Back Read-Allocate Write-Allocate, + * Outer Write-Back Read-Allocate Write-Allocate. + */ + cacheattrs->attrs = 0xff; + cacheattrs->shareability = 0; + } *cacheattrs = combine_cacheattrs(*cacheattrs, cacheattrs2); } -- 2.19.1 The A/I/F bits in ISR_EL1 should track the virtual interrupt status, not the physical interrupt status, if the associated HCR_EL2.AMO/IMO/FMO bit is set. Implement this, rather than always showing the physical interrupt status. We don't currently implement anything to do with external aborts, so this applies only to the I and F bits (though it ought to be possible for the outer guest to present a virtual external abort to the inner guest, even if QEMU doesn't emulate physical external aborts, so there is missing functionality in this area). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-6-peter.maydell@linaro.org --- target/arm/helper.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static uint64_t isr_read(CPUARMState *env, const ARMCPRegInfo *ri) CPUState *cs = ENV_GET_CPU(env); uint64_t ret = 0; - if (cs->interrupt_request & CPU_INTERRUPT_HARD) { - ret |= CPSR_I; + if (arm_hcr_el2_imo(env)) { + if (cs->interrupt_request & CPU_INTERRUPT_VIRQ) { + ret |= CPSR_I; + } + } else { + if (cs->interrupt_request & CPU_INTERRUPT_HARD) { + ret |= CPSR_I; + } } - if (cs->interrupt_request & CPU_INTERRUPT_FIQ) { - ret |= CPSR_F; + + if (arm_hcr_el2_fmo(env)) { + if (cs->interrupt_request & CPU_INTERRUPT_VFIQ) { + ret |= CPSR_F; + } + } else { + if (cs->interrupt_request & CPU_INTERRUPT_FIQ) { + ret |= CPSR_F; + } } + /* External aborts are not possible in QEMU so A bit is always clear */ return ret; } -- 2.19.1 The HCR_EL2 VI and VF bits are supposed to track whether there is a pending virtual IRQ or virtual FIQ. For QEMU we store the pending VIRQ/VFIQ status in cs->interrupt_request, so this means: * if the register is read we must get these bit values from cs->interrupt_request * if the register is written then we must write the bit values back into cs->interrupt_request Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-7-peter.maydell@linaro.org --- target/arm/helper.c | 47 +++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 4 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo el3_no_el2_v8_cp_reginfo[] = { static void hcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { ARMCPU *cpu = arm_env_get_cpu(env); + CPUState *cs = ENV_GET_CPU(env); uint64_t valid_mask = HCR_MASK; if (arm_feature(env, ARM_FEATURE_EL3)) { @@ -XXX,XX +XXX,XX @@ static void hcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) /* Clear RES0 bits. */ value &= valid_mask; + /* + * VI and VF are kept in cs->interrupt_request. Modifying that + * requires that we have the iothread lock, which is done by + * marking the reginfo structs as ARM_CP_IO. + * Note that if a write to HCR pends a VIRQ or VFIQ it is never + * possible for it to be taken immediately, because VIRQ and + * VFIQ are masked unless running at EL0 or EL1, and HCR + * can only be written at EL2. + */ + g_assert(qemu_mutex_iothread_locked()); + if (value & HCR_VI) { + cs->interrupt_request |= CPU_INTERRUPT_VIRQ; + } else { + cs->interrupt_request &= ~CPU_INTERRUPT_VIRQ; + } + if (value & HCR_VF) { + cs->interrupt_request |= CPU_INTERRUPT_VFIQ; + } else { + cs->interrupt_request &= ~CPU_INTERRUPT_VFIQ; + } + value &= ~(HCR_VI | HCR_VF); + /* These bits change the MMU setup: * HCR_VM enables stage 2 translation * HCR_PTW forbids certain page-table setups @@ -XXX,XX +XXX,XX @@ static void hcr_writelow(CPUARMState *env, const ARMCPRegInfo *ri, hcr_write(env, NULL, value); } +static uint64_t hcr_read(CPUARMState *env, const ARMCPRegInfo *ri) +{ + /* The VI and VF bits live in cs->interrupt_request */ + uint64_t ret = env->cp15.hcr_el2 & ~(HCR_VI | HCR_VF); + CPUState *cs = ENV_GET_CPU(env); + + if (cs->interrupt_request & CPU_INTERRUPT_VIRQ) { + ret |= HCR_VI; + } + if (cs->interrupt_request & CPU_INTERRUPT_VFIQ) { + ret |= HCR_VF; + } + return ret; +} + static const ARMCPRegInfo el2_cp_reginfo[] = { { .name = "HCR_EL2", .state = ARM_CP_STATE_AA64, + .type = ARM_CP_IO, .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.hcr_el2), - .writefn = hcr_write }, + .writefn = hcr_write, .readfn = hcr_read }, { .name = "HCR", .state = ARM_CP_STATE_AA32, - .type = ARM_CP_ALIAS, + .type = ARM_CP_ALIAS | ARM_CP_IO, .cp = 15, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.hcr_el2), - .writefn = hcr_writelow }, + .writefn = hcr_writelow, .readfn = hcr_read }, { .name = "ELR_EL2", .state = ARM_CP_STATE_AA64, .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 4, .crn = 4, .crm = 0, .opc2 = 1, @@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo el2_cp_reginfo[] = { static const ARMCPRegInfo el2_v8_cp_reginfo[] = { { .name = "HCR2", .state = ARM_CP_STATE_AA32, - .type = ARM_CP_ALIAS, + .type = ARM_CP_ALIAS | ARM_CP_IO, .cp = 15, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 4, .access = PL2_RW, .fieldoffset = offsetofhigh32(CPUARMState, cp15.hcr_el2), -- 2.19.1 If the HCR_EL2 PTW virtualizaiton configuration register bit is set, then this means that a stage 2 Permission fault must be generated if a stage 1 translation table access is made to an address that is mapped as Device memory in stage 2. Implement this. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-8-peter.maydell@linaro.org --- target/arm/helper.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, hwaddr s2pa; int s2prot; int ret; + ARMCacheAttrs cacheattrs = {}; + ARMCacheAttrs *pcacheattrs = NULL; + + if (env->cp15.hcr_el2 & HCR_PTW) { + /* + * PTW means we must fault if this S1 walk touches S2 Device + * memory; otherwise we don't care about the attributes and can + * save the S2 translation the effort of computing them. + */ + pcacheattrs = &cacheattrs; + } ret = get_phys_addr_lpae(env, addr, 0, ARMMMUIdx_S2NS, &s2pa, - &txattrs, &s2prot, &s2size, fi, NULL); + &txattrs, &s2prot, &s2size, fi, pcacheattrs); if (ret) { assert(fi->type != ARMFault_None); fi->s2addr = addr; @@ -XXX,XX +XXX,XX @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, fi->s1ptw = true; return ~0; } + if (pcacheattrs && (pcacheattrs->attrs & 0xf0) == 0) { + /* Access was to Device memory: generate Permission fault */ + fi->type = ARMFault_Permission; + fi->s2addr = addr; + fi->stage2 = true; + fi->s1ptw = true; + return ~0; + } addr = s2pa; } return addr; -- 2.19.1 Create and use a utility function to extract the EC field from a syndrome, rather than open-coding the shift. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-9-peter.maydell@linaro.org --- target/arm/internals.h | 5 +++++ target/arm/helper.c | 4 ++-- target/arm/kvm64.c | 2 +- target/arm/op_helper.c | 2 +- 4 files changed, 9 insertions(+), 4 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -XXX,XX +XXX,XX @@ enum arm_exception_class { #define ARM_EL_IL (1 << ARM_EL_IL_SHIFT) #define ARM_EL_ISV (1 << ARM_EL_ISV_SHIFT) +static inline uint32_t syn_get_ec(uint32_t syn) +{ + return syn >> ARM_EL_EC_SHIFT; +} + /* Utility functions for constructing various kinds of syndrome value. * Note that in general we follow the AArch64 syndrome values; in a * few cases the value in HSR for exceptions taken to AArch32 Hyp diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_do_interrupt_aarch32(CPUState *cs) uint32_t moe; /* If this is a debug exception we must update the DBGDSCR.MOE bits */ - switch (env->exception.syndrome >> ARM_EL_EC_SHIFT) { + switch (syn_get_ec(env->exception.syndrome)) { case EC_BREAKPOINT: case EC_BREAKPOINT_SAME_EL: moe = 1; @@ -XXX,XX +XXX,XX @@ void arm_cpu_do_interrupt(CPUState *cs) if (qemu_loglevel_mask(CPU_LOG_INT) && !excp_is_internal(cs->exception_index)) { qemu_log_mask(CPU_LOG_INT, "...with ESR 0x%x/0x%" PRIx32 "\n", - env->exception.syndrome >> ARM_EL_EC_SHIFT, + syn_get_ec(env->exception.syndrome), env->exception.syndrome); } diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -XXX,XX +XXX,XX @@ int kvm_arch_remove_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp) bool kvm_arm_handle_debug(CPUState *cs, struct kvm_debug_exit_arch *debug_exit) { - int hsr_ec = debug_exit->hsr >> ARM_EL_EC_SHIFT; + int hsr_ec = syn_get_ec(debug_exit->hsr); ARMCPU *cpu = ARM_CPU(cs); CPUClass *cc = CPU_GET_CLASS(cs); CPUARMState *env = &cpu->env; diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/op_helper.c +++ b/target/arm/op_helper.c @@ -XXX,XX +XXX,XX @@ void raise_exception(CPUARMState *env, uint32_t excp, * (see DDI0478C.a D1.10.4) */ target_el = 2; - if (syndrome >> ARM_EL_EC_SHIFT == EC_ADVSIMDFPACCESSTRAP) { + if (syn_get_ec(syndrome) == EC_ADVSIMDFPACCESSTRAP) { syndrome = syn_uncategorized(); } } -- 2.19.1 For the v7 version of the Arm architecture, the IL bit in syndrome register values where the field is not valid was defined to be UNK/SBZP. In v8 this is RES1, which is what QEMU currently implements. Handle the desired v7 behaviour by squashing the IL bit for the affected cases: * EC == EC_UNCATEGORIZED * prefetch aborts * data aborts where ISV is 0 (The fourth case listed in the v8 Arm ARM DDI 0487C.a in section G7.2.70, "illegal state exception", can't happen on a v7 CPU.) This deals with a corner case noted in a comment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-10-peter.maydell@linaro.org --- target/arm/internals.h | 7 ++----- target/arm/helper.c | 13 +++++++++++++ 2 files changed, 15 insertions(+), 5 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -XXX,XX +XXX,XX @@ static inline uint32_t syn_get_ec(uint32_t syn) /* Utility functions for constructing various kinds of syndrome value. * Note that in general we follow the AArch64 syndrome values; in a * few cases the value in HSR for exceptions taken to AArch32 Hyp - * mode differs slightly, so if we ever implemented Hyp mode then the - * syndrome value would need some massaging on exception entry. - * (One example of this is that AArch64 defaults to IL bit set for - * exceptions which don't specifically indicate information about the - * trapping instruction, whereas AArch32 defaults to IL bit clear.) + * mode differs slightly, and we fix this up when populating HSR in + * arm_cpu_do_interrupt_aarch32_hyp(). */ static inline uint32_t syn_uncategorized(void) { diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_do_interrupt_aarch32_hyp(CPUState *cs) } if (cs->exception_index != EXCP_IRQ && cs->exception_index != EXCP_FIQ) { + if (!arm_feature(env, ARM_FEATURE_V8)) { + /* + * QEMU syndrome values are v8-style. v7 has the IL bit + * UNK/SBZP for "field not valid" cases, where v8 uses RES1. + * If this is a v7 CPU, squash the IL bit in those cases. + */ + if (cs->exception_index == EXCP_PREFETCH_ABORT || + (cs->exception_index == EXCP_DATA_ABORT && + !(env->exception.syndrome & ARM_EL_ISV)) || + syn_get_ec(env->exception.syndrome) == EC_UNCATEGORIZED) { + env->exception.syndrome &= ~ARM_EL_IL; + } + } env->cp15.esr_el[2] = env->exception.syndrome; } -- 2.19.1 For traps of FP/SIMD instructions to AArch32 Hyp mode, the syndrome provided in HSR has more information than is reported to AArch64. Specifically, there are extra fields TA and coproc which indicate whether the trapped instruction was FP or SIMD. Add this extra information to the syndromes we construct, and mask it out when taking the exception to AArch64. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181012144235.19646-11-peter.maydell@linaro.org --- target/arm/internals.h | 14 +++++++++++++- target/arm/helper.c | 9 +++++++++ target/arm/translate.c | 8 ++++---- 3 files changed, 26 insertions(+), 5 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -XXX,XX +XXX,XX @@ static inline uint32_t syn_get_ec(uint32_t syn) * few cases the value in HSR for exceptions taken to AArch32 Hyp * mode differs slightly, and we fix this up when populating HSR in * arm_cpu_do_interrupt_aarch32_hyp(). + * The exception is FP/SIMD access traps -- these report extra information + * when taking an exception to AArch32. For those we include the extra coproc + * and TA fields, and mask them out when taking the exception to AArch64. */ static inline uint32_t syn_uncategorized(void) { @@ -XXX,XX +XXX,XX @@ static inline uint32_t syn_cp15_rrt_trap(int cv, int cond, int opc1, int crm, static inline uint32_t syn_fp_access_trap(int cv, int cond, bool is_16bit) { + /* AArch32 FP trap or any AArch64 FP/SIMD trap: TA == 0 coproc == 0xa */ return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT) | (is_16bit ? 0 : ARM_EL_IL) - | (cv << 24) | (cond << 20); + | (cv << 24) | (cond << 20) | 0xa; +} + +static inline uint32_t syn_simd_access_trap(int cv, int cond, bool is_16bit) +{ + /* AArch32 SIMD trap: TA == 1 coproc == 0 */ + return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT) + | (is_16bit ? 0 : ARM_EL_IL) + | (cv << 24) | (cond << 20) | (1 << 5); } static inline uint32_t syn_sve_access_trap(void) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs) case EXCP_HVC: case EXCP_HYP_TRAP: case EXCP_SMC: + if (syn_get_ec(env->exception.syndrome) == EC_ADVSIMDFPACCESSTRAP) { + /* + * QEMU internal FP/SIMD syndromes from AArch32 include the + * TA and coproc fields which are only exposed if the exception + * is taken to AArch32 Hyp mode. Mask them out to get a valid + * AArch64 format syndrome. + */ + env->exception.syndrome &= ~MAKE_64BIT_MASK(0, 20); + } env->cp15.esr_el[new_el] = env->exception.syndrome; break; case EXCP_IRQ: diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) */ if (s->fp_excp_el) { gen_exception_insn(s, 4, EXCP_UDEF, - syn_fp_access_trap(1, 0xe, false), s->fp_excp_el); + syn_simd_access_trap(1, 0xe, false), s->fp_excp_el); return 0; } @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) */ if (s->fp_excp_el) { gen_exception_insn(s, 4, EXCP_UDEF, - syn_fp_access_trap(1, 0xe, false), s->fp_excp_el); + syn_simd_access_trap(1, 0xe, false), s->fp_excp_el); return 0; } @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) if (s->fp_excp_el) { gen_exception_insn(s, 4, EXCP_UDEF, - syn_fp_access_trap(1, 0xe, false), s->fp_excp_el); + syn_simd_access_trap(1, 0xe, false), s->fp_excp_el); return 0; } if (!s->vfp_enabled) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn) if (s->fp_excp_el) { gen_exception_insn(s, 4, EXCP_UDEF, - syn_fp_access_trap(1, 0xe, false), s->fp_excp_el); + syn_simd_access_trap(1, 0xe, false), s->fp_excp_el); return 0; } if (!s->vfp_enabled) { -- 2.19.1 From: Stewart Hildebrand <Stewart.Hildebrand@dornerworks.com> "The Image must be placed text_offset bytes from a 2MB aligned base address anywhere in usable system RAM and called there." For the virt board, we write our startup bootloader at the very bottom of RAM, so that bit can't be used for the image. To avoid overlap in case the image requests to be loaded at an offset smaller than our bootloader, we increment the load offset to the next 2MB. This fixes a boot failure for Xen AArch64. Signed-off-by: Stewart Hildebrand <stewart.hildebrand@dornerworks.com> Tested-by: Andre Przywara <andre.przywara@arm.com> Message-id: b8a89518794b4436af0c151ed10de4fa@dornerworks.com [PMM: Rephrased a comment a bit] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/arm/boot.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/hw/arm/boot.c b/hw/arm/boot.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -XXX,XX +XXX,XX @@ #include "qemu/config-file.h" #include "qemu/option.h" #include "exec/address-spaces.h" +#include "qemu/units.h" /* Kernel boot protocol is specified in the kernel docs * Documentation/arm/Booting and Documentation/arm64/booting.txt @@ -XXX,XX +XXX,XX @@ #define ARM64_TEXT_OFFSET_OFFSET 8 #define ARM64_MAGIC_OFFSET 56 +#define BOOTLOADER_MAX_SIZE (4 * KiB) + AddressSpace *arm_boot_address_space(ARMCPU *cpu, const struct arm_boot_info *info) { @@ -XXX,XX +XXX,XX @@ static void write_bootloader(const char *name, hwaddr addr, code[i] = tswap32(insn); } + assert((len * sizeof(uint32_t)) < BOOTLOADER_MAX_SIZE); + rom_add_blob_fixed_as(name, code, len * sizeof(uint32_t), addr, as); g_free(code); @@ -XXX,XX +XXX,XX @@ static uint64_t load_aarch64_image(const char *filename, hwaddr mem_base, memcpy(&hdrvals, buffer + ARM64_TEXT_OFFSET_OFFSET, sizeof(hdrvals)); if (hdrvals[1] != 0) { kernel_load_offset = le64_to_cpu(hdrvals[0]); + + /* + * We write our startup "bootloader" at the very bottom of RAM, + * so that bit can't be used for the image. Luckily the Image + * format specification is that the image requests only an offset + * from a 2MB boundary, not an absolute load address. So if the + * image requests an offset that might mean it overlaps with the + * bootloader, we can just load it starting at 2MB+offset rather + * than 0MB + offset. + */ + if (kernel_load_offset < BOOTLOADER_MAX_SIZE) { + kernel_load_offset += 2 * MiB; + } } } -- 2.19.1 From: Richard Henderson <rth@twiddle.net> This can reduce the number of opcodes required for certain complex forms of load-multiple (e.g. ld4.16b). Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 20181011205206.3552-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate-a64.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) bool is_store = !extract32(insn, 22, 1); bool is_postidx = extract32(insn, 23, 1); bool is_q = extract32(insn, 30, 1); - TCGv_i64 tcg_addr, tcg_rn; + TCGv_i64 tcg_addr, tcg_rn, tcg_ebytes; int ebytes = 1 << size; int elements = (is_q ? 128 : 64) / (8 << size); @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) tcg_rn = cpu_reg_sp(s, rn); tcg_addr = tcg_temp_new_i64(); tcg_gen_mov_i64(tcg_addr, tcg_rn); + tcg_ebytes = tcg_const_i64(ebytes); for (r = 0; r < rpt; r++) { int e; @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) clear_vec_high(s, is_q, tt); } } - tcg_gen_addi_i64(tcg_addr, tcg_addr, ebytes); + tcg_gen_add_i64(tcg_addr, tcg_addr, tcg_ebytes); tt = (tt + 1) % 32; } } @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) tcg_gen_add_i64(tcg_rn, tcg_rn, cpu_reg(s, rm)); } } + tcg_temp_free_i64(tcg_ebytes); tcg_temp_free_i64(tcg_addr); } @@ -XXX,XX +XXX,XX @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) bool replicate = false; int index = is_q << 3 | S << 2 | size; int ebytes, xs; - TCGv_i64 tcg_addr, tcg_rn; + TCGv_i64 tcg_addr, tcg_rn, tcg_ebytes; switch (scale) { case 3: @@ -XXX,XX +XXX,XX @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) tcg_rn = cpu_reg_sp(s, rn); tcg_addr = tcg_temp_new_i64(); tcg_gen_mov_i64(tcg_addr, tcg_rn); + tcg_ebytes = tcg_const_i64(ebytes); for (xs = 0; xs < selem; xs++) { if (replicate) { @@ -XXX,XX +XXX,XX @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) do_vec_st(s, rt, index, tcg_addr, scale); } } - tcg_gen_addi_i64(tcg_addr, tcg_addr, ebytes); + tcg_gen_add_i64(tcg_addr, tcg_addr, tcg_ebytes); rt = (rt + 1) % 32; } @@ -XXX,XX +XXX,XX @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) tcg_gen_add_i64(tcg_rn, tcg_rn, cpu_reg(s, rm)); } } + tcg_temp_free_i64(tcg_ebytes); tcg_temp_free_i64(tcg_addr); } -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> This is done generically in translator_loop. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20181011205206.3552-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate-a64.c | 1 - target/arm/translate.c | 1 - 2 files changed, 2 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void aarch64_tr_init_disas_context(DisasContextBase *dcbase, static void aarch64_tr_tb_start(DisasContextBase *db, CPUState *cpu) { - tcg_clear_temp_count(); } static void aarch64_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static void arm_tr_tb_start(DisasContextBase *dcbase, CPUState *cpu) tcg_gen_movi_i32(tmp, 0); store_cpu_field(tmp, condexec_bits); } - tcg_clear_temp_count(); } static void arm_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu) -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-4-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate-a64.c | 28 +++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) for (xs = 0; xs < selem; xs++) { if (replicate) { /* Load and replicate to all elements */ - uint64_t mulconst; TCGv_i64 tcg_tmp = tcg_temp_new_i64(); tcg_gen_qemu_ld_i64(tcg_tmp, tcg_addr, get_mem_index(s), s->be_data + scale); - switch (scale) { - case 0: - mulconst = 0x0101010101010101ULL; - break; - case 1: - mulconst = 0x0001000100010001ULL; - break; - case 2: - mulconst = 0x0000000100000001ULL; - break; - case 3: - mulconst = 0; - break; - default: - g_assert_not_reached(); - } - if (mulconst) { - tcg_gen_muli_i64(tcg_tmp, tcg_tmp, mulconst); - } - write_vec_element(s, tcg_tmp, rt, 0, MO_64); - if (is_q) { - write_vec_element(s, tcg_tmp, rt, 1, MO_64); - } + tcg_gen_gvec_dup_i64(scale, vec_full_reg_offset(s, rt), + (is_q + 1) * 8, vec_full_reg_size(s), + tcg_tmp); tcg_temp_free_i64(tcg_tmp); - clear_vec_high(s, is_q, rt); } else { /* Load/store one element per register */ if (is_load) { -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> For a sequence of loads or stores from a single register, little-endian operations can be promoted to an 8-byte op. This can reduce the number of operations by a factor of 8. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate-a64.c | 66 +++++++++++++++++++++++--------------- 1 file changed, 40 insertions(+), 26 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void write_vec_element_i32(DisasContext *s, TCGv_i32 tcg_src, /* Store from vector register to memory */ static void do_vec_st(DisasContext *s, int srcidx, int element, - TCGv_i64 tcg_addr, int size) + TCGv_i64 tcg_addr, int size, TCGMemOp endian) { - TCGMemOp memop = s->be_data + size; TCGv_i64 tcg_tmp = tcg_temp_new_i64(); read_vec_element(s, tcg_tmp, srcidx, element, size); - tcg_gen_qemu_st_i64(tcg_tmp, tcg_addr, get_mem_index(s), memop); + tcg_gen_qemu_st_i64(tcg_tmp, tcg_addr, get_mem_index(s), endian | size); tcg_temp_free_i64(tcg_tmp); } /* Load from memory to vector register */ static void do_vec_ld(DisasContext *s, int destidx, int element, - TCGv_i64 tcg_addr, int size) + TCGv_i64 tcg_addr, int size, TCGMemOp endian) { - TCGMemOp memop = s->be_data + size; TCGv_i64 tcg_tmp = tcg_temp_new_i64(); - tcg_gen_qemu_ld_i64(tcg_tmp, tcg_addr, get_mem_index(s), memop); + tcg_gen_qemu_ld_i64(tcg_tmp, tcg_addr, get_mem_index(s), endian | size); write_vec_element(s, tcg_tmp, destidx, element, size); tcg_temp_free_i64(tcg_tmp); @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) bool is_postidx = extract32(insn, 23, 1); bool is_q = extract32(insn, 30, 1); TCGv_i64 tcg_addr, tcg_rn, tcg_ebytes; + TCGMemOp endian = s->be_data; - int ebytes = 1 << size; - int elements = (is_q ? 128 : 64) / (8 << size); + int ebytes; /* bytes per element */ + int elements; /* elements per vector */ int rpt; /* num iterations */ int selem; /* structure elements */ int r; @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) gen_check_sp_alignment(s); } + /* For our purposes, bytes are always little-endian. */ + if (size == 0) { + endian = MO_LE; + } + + /* Consecutive little-endian elements from a single register + * can be promoted to a larger little-endian operation. + */ + if (selem == 1 && endian == MO_LE) { + size = 3; + } + ebytes = 1 << size; + elements = (is_q ? 16 : 8) / ebytes; + tcg_rn = cpu_reg_sp(s, rn); tcg_addr = tcg_temp_new_i64(); tcg_gen_mov_i64(tcg_addr, tcg_rn); @@ -XXX,XX +XXX,XX @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn) for (r = 0; r < rpt; r++) { int e; for (e = 0; e < elements; e++) { - int tt = (rt + r) % 32; int xs; for (xs = 0; xs < selem; xs++) { + int tt = (rt + r + xs) % 32; if (is_store) { - do_vec_st(s, tt, e, tcg_addr, size); + do_vec_st(s, tt, e, tcg_addr, size, endian); } else { - do_vec_ld(s, tt, e, tcg_addr, size); - - /* For non-quad operations, setting a slice of the low - * 64 bits of the register clears the high 64 bits (in - * the ARM ARM pseudocode this is implicit in the fact - * that 'rval' is a 64 bit wide variable). - * For quad operations, we might still need to zero the - * high bits of SVE. We optimize by noticing that we only - * need to do this the first time we touch a register. - */ - if (e == 0 && (r == 0 || xs == selem - 1)) { - clear_vec_high(s, is_q, tt); - } + do_vec_ld(s, tt, e, tcg_addr, size, endian); } tcg_gen_add_i64(tcg_addr, tcg_addr, tcg_ebytes); - tt = (tt + 1) % 32; } } } + if (!is_store) { + /* For non-quad operations, setting a slice of the low + * 64 bits of the register clears the high 64 bits (in + * the ARM ARM pseudocode this is implicit in the fact + * that 'rval' is a 64 bit wide variable). + * For quad operations, we might still need to zero the + * high bits of SVE. + */ + for (r = 0; r < rpt * selem; r++) { + int tt = (rt + r) % 32; + clear_vec_high(s, is_q, tt); + } + } + if (is_postidx) { int rm = extract32(insn, 16, 5); if (rm == 31) { @@ -XXX,XX +XXX,XX @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) } else { /* Load/store one element per register */ if (is_load) { - do_vec_ld(s, rt, index, tcg_addr, scale); + do_vec_ld(s, rt, index, tcg_addr, scale, s->be_data); } else { - do_vec_st(s, rt, index, tcg_addr, scale); + do_vec_st(s, rt, index, tcg_addr, scale, s->be_data); } } tcg_gen_add_i64(tcg_addr, tcg_addr, tcg_ebytes); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20181011205206.3552-6-richard.henderson@linaro.org [PMM: drop change to now-deleted cpu_mode_names array] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static TCGv_i64 cpu_F0d, cpu_F1d; #include "exec/gen-icount.h" -static const char *regnames[] = +static const char * const regnames[] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "pc" }; @@ -XXX,XX +XXX,XX @@ static struct { int nregs; int interleave; int spacing; -} neon_ls_element_type[11] = { +} const neon_ls_element_type[11] = { {4, 4, 1}, {4, 4, 2}, {4, 1, 1}, -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Also introduces neon_element_offset to find the env offset of a specific element within a neon register. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-7-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 63 ++++++++++++++++++++++++------------------ 1 file changed, 36 insertions(+), 27 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ neon_reg_offset (int reg, int n) return vfp_reg_offset(0, sreg); } +/* Return the offset of a 2**SIZE piece of a NEON register, at index ELE, + * where 0 is the least significant end of the register. + */ +static inline long +neon_element_offset(int reg, int element, TCGMemOp size) +{ + int element_size = 1 << size; + int ofs = element * element_size; +#ifdef HOST_WORDS_BIGENDIAN + /* Calculate the offset assuming fully little-endian, + * then XOR to account for the order of the 8-byte units. + */ + if (element_size < 8) { + ofs ^= 8 - element_size; + } +#endif + return neon_reg_offset(reg, 0) + ofs; +} + static TCGv_i32 neon_load_reg(int reg, int pass) { TCGv_i32 tmp = tcg_temp_new_i32(); @@ -XXX,XX +XXX,XX @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn) tmp = load_reg(s, rd); if (insn & (1 << 23)) { /* VDUP */ - if (size == 0) { - gen_neon_dup_u8(tmp, 0); - } else if (size == 1) { - gen_neon_dup_low16(tmp); - } - for (n = 0; n <= pass * 2; n++) { - tmp2 = tcg_temp_new_i32(); - tcg_gen_mov_i32(tmp2, tmp); - neon_store_reg(rn, n, tmp2); - } - neon_store_reg(rn, n, tmp); + int vec_size = pass ? 16 : 8; + tcg_gen_gvec_dup_i32(size, neon_reg_offset(rn, 0), + vec_size, vec_size, tmp); + tcg_temp_free_i32(tmp); } else { /* VMOV */ switch (size) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tcg_temp_free_i32(tmp); } else if ((insn & 0x380) == 0) { /* VDUP */ + int element; + TCGMemOp size; + if ((insn & (7 << 16)) == 0 || (q && (rd & 1))) { return 1; } - if (insn & (1 << 19)) { - tmp = neon_load_reg(rm, 1); - } else { - tmp = neon_load_reg(rm, 0); - } if (insn & (1 << 16)) { - gen_neon_dup_u8(tmp, ((insn >> 17) & 3) * 8); + size = MO_8; + element = (insn >> 17) & 7; } else if (insn & (1 << 17)) { - if ((insn >> 18) & 1) - gen_neon_dup_high16(tmp); - else - gen_neon_dup_low16(tmp); + size = MO_16; + element = (insn >> 18) & 3; + } else { + size = MO_32; + element = (insn >> 19) & 1; } - for (pass = 0; pass < (q ? 4 : 2); pass++) { - tmp2 = tcg_temp_new_i32(); - tcg_gen_mov_i32(tmp2, tmp); - neon_store_reg(rd, pass, tmp2); - } - tcg_temp_free_i32(tmp); + tcg_gen_gvec_dup_mem(size, neon_reg_offset(rd, 0), + neon_element_offset(rm, element, size), + q ? 16 : 8, q ? 16 : 8); } else { return 1; } -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-8-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 67 ++++++++++++++++++++++++------------------ 1 file changed, 39 insertions(+), 28 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) return 1; } } else { /* (insn & 0x00380080) == 0 */ - int invert; + int invert, reg_ofs, vec_size; + if (q && (rd & 1)) { return 1; } @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; case 14: imm |= (imm << 8) | (imm << 16) | (imm << 24); - if (invert) + if (invert) { imm = ~imm; + } break; case 15: if (invert) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) | ((imm & 0x40) ? (0x1f << 25) : (1 << 30)); break; } - if (invert) + if (invert) { imm = ~imm; + } - for (pass = 0; pass < (q ? 4 : 2); pass++) { - if (op & 1 && op < 12) { - tmp = neon_load_reg(rd, pass); - if (invert) { - /* The immediate value has already been inverted, so - BIC becomes AND. */ - tcg_gen_andi_i32(tmp, tmp, imm); - } else { - tcg_gen_ori_i32(tmp, tmp, imm); - } + reg_ofs = neon_reg_offset(rd, 0); + vec_size = q ? 16 : 8; + + if (op & 1 && op < 12) { + if (invert) { + /* The immediate value has already been inverted, + * so BIC becomes AND. + */ + tcg_gen_gvec_andi(MO_32, reg_ofs, reg_ofs, imm, + vec_size, vec_size); } else { - /* VMOV, VMVN. */ - tmp = tcg_temp_new_i32(); - if (op == 14 && invert) { - int n; - uint32_t val; - val = 0; - for (n = 0; n < 4; n++) { - if (imm & (1 << (n + (pass & 1) * 4))) - val |= 0xff << (n * 8); - } - tcg_gen_movi_i32(tmp, val); - } else { - tcg_gen_movi_i32(tmp, imm); - } + tcg_gen_gvec_ori(MO_32, reg_ofs, reg_ofs, imm, + vec_size, vec_size); + } + } else { + /* VMOV, VMVN. */ + if (op == 14 && invert) { + TCGv_i64 t64 = tcg_temp_new_i64(); + + for (pass = 0; pass <= q; ++pass) { + uint64_t val = 0; + int n; + + for (n = 0; n < 8; n++) { + if (imm & (1 << (n + pass * 8))) { + val |= 0xffull << (n * 8); + } + } + tcg_gen_movi_i64(t64, val); + neon_store_reg64(t64, rd + pass); + } + tcg_temp_free_i64(t64); + } else { + tcg_gen_gvec_dup32i(reg_ofs, vec_size, vec_size, imm); } - neon_store_reg(rd, pass, tmp); } } } else { /* (insn & 0x00800010 == 0x00800000) */ -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Move expanders for VBSL, VBIT, and VBIF from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-9-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.h | 6 ++ target/arm/translate-a64.c | 61 -------------- target/arm/translate.c | 162 +++++++++++++++++++++++++++---------- 3 files changed, 124 insertions(+), 105 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -XXX,XX +XXX,XX @@ static inline TCGv_i32 get_ahp_flag(void) return ret; } + +/* Vector operations shared between ARM and AArch64. */ +extern const GVecGen3 bsl_op; +extern const GVecGen3 bit_op; +extern const GVecGen3 bif_op; + /* * Forward to the isar_feature_* tests given a DisasContext pointer. */ diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_simd_three_reg_diff(DisasContext *s, uint32_t insn) } } -static void gen_bsl_i64(TCGv_i64 rd, TCGv_i64 rn, TCGv_i64 rm) -{ - tcg_gen_xor_i64(rn, rn, rm); - tcg_gen_and_i64(rn, rn, rd); - tcg_gen_xor_i64(rd, rm, rn); -} - -static void gen_bit_i64(TCGv_i64 rd, TCGv_i64 rn, TCGv_i64 rm) -{ - tcg_gen_xor_i64(rn, rn, rd); - tcg_gen_and_i64(rn, rn, rm); - tcg_gen_xor_i64(rd, rd, rn); -} - -static void gen_bif_i64(TCGv_i64 rd, TCGv_i64 rn, TCGv_i64 rm) -{ - tcg_gen_xor_i64(rn, rn, rd); - tcg_gen_andc_i64(rn, rn, rm); - tcg_gen_xor_i64(rd, rd, rn); -} - -static void gen_bsl_vec(unsigned vece, TCGv_vec rd, TCGv_vec rn, TCGv_vec rm) -{ - tcg_gen_xor_vec(vece, rn, rn, rm); - tcg_gen_and_vec(vece, rn, rn, rd); - tcg_gen_xor_vec(vece, rd, rm, rn); -} - -static void gen_bit_vec(unsigned vece, TCGv_vec rd, TCGv_vec rn, TCGv_vec rm) -{ - tcg_gen_xor_vec(vece, rn, rn, rd); - tcg_gen_and_vec(vece, rn, rn, rm); - tcg_gen_xor_vec(vece, rd, rd, rn); -} - -static void gen_bif_vec(unsigned vece, TCGv_vec rd, TCGv_vec rn, TCGv_vec rm) -{ - tcg_gen_xor_vec(vece, rn, rn, rd); - tcg_gen_andc_vec(vece, rn, rn, rm); - tcg_gen_xor_vec(vece, rd, rd, rn); -} - /* Logic op (opcode == 3) subgroup of C3.6.16. */ static void disas_simd_3same_logic(DisasContext *s, uint32_t insn) { - static const GVecGen3 bsl_op = { - .fni8 = gen_bsl_i64, - .fniv = gen_bsl_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true - }; - static const GVecGen3 bit_op = { - .fni8 = gen_bit_i64, - .fniv = gen_bit_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true - }; - static const GVecGen3 bif_op = { - .fni8 = gen_bif_i64, - .fniv = gen_bif_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true - }; - int rd = extract32(insn, 0, 5); int rn = extract32(insn, 5, 5); int rm = extract32(insn, 16, 5); diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) return 0; } -/* Bitwise select. dest = c ? t : f. Clobbers T and F. */ -static void gen_neon_bsl(TCGv_i32 dest, TCGv_i32 t, TCGv_i32 f, TCGv_i32 c) -{ - tcg_gen_and_i32(t, t, c); - tcg_gen_andc_i32(f, f, c); - tcg_gen_or_i32(dest, t, f); -} - static inline void gen_neon_narrow(int size, TCGv_i32 dest, TCGv_i64 src) { switch (size) { @@ -XXX,XX +XXX,XX @@ static int do_v81_helper(DisasContext *s, gen_helper_gvec_3_ptr *fn, return 1; } +/* + * Expanders for VBitOps_VBIF, VBIT, VBSL. + */ +static void gen_bsl_i64(TCGv_i64 rd, TCGv_i64 rn, TCGv_i64 rm) +{ + tcg_gen_xor_i64(rn, rn, rm); + tcg_gen_and_i64(rn, rn, rd); + tcg_gen_xor_i64(rd, rm, rn); +} + +static void gen_bit_i64(TCGv_i64 rd, TCGv_i64 rn, TCGv_i64 rm) +{ + tcg_gen_xor_i64(rn, rn, rd); + tcg_gen_and_i64(rn, rn, rm); + tcg_gen_xor_i64(rd, rd, rn); +} + +static void gen_bif_i64(TCGv_i64 rd, TCGv_i64 rn, TCGv_i64 rm) +{ + tcg_gen_xor_i64(rn, rn, rd); + tcg_gen_andc_i64(rn, rn, rm); + tcg_gen_xor_i64(rd, rd, rn); +} + +static void gen_bsl_vec(unsigned vece, TCGv_vec rd, TCGv_vec rn, TCGv_vec rm) +{ + tcg_gen_xor_vec(vece, rn, rn, rm); + tcg_gen_and_vec(vece, rn, rn, rd); + tcg_gen_xor_vec(vece, rd, rm, rn); +} + +static void gen_bit_vec(unsigned vece, TCGv_vec rd, TCGv_vec rn, TCGv_vec rm) +{ + tcg_gen_xor_vec(vece, rn, rn, rd); + tcg_gen_and_vec(vece, rn, rn, rm); + tcg_gen_xor_vec(vece, rd, rd, rn); +} + +static void gen_bif_vec(unsigned vece, TCGv_vec rd, TCGv_vec rn, TCGv_vec rm) +{ + tcg_gen_xor_vec(vece, rn, rn, rd); + tcg_gen_andc_vec(vece, rn, rn, rm); + tcg_gen_xor_vec(vece, rd, rd, rn); +} + +const GVecGen3 bsl_op = { + .fni8 = gen_bsl_i64, + .fniv = gen_bsl_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true +}; + +const GVecGen3 bit_op = { + .fni8 = gen_bit_i64, + .fniv = gen_bit_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true +}; + +const GVecGen3 bif_op = { + .fni8 = gen_bif_i64, + .fniv = gen_bif_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true +}; + + /* Translate a NEON data processing instruction. Return nonzero if the instruction is invalid. We process data in a mixture of 32-bit and 64-bit chunks. @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) { int op; int q; - int rd, rn, rm; + int rd, rn, rm, rd_ofs, rn_ofs, rm_ofs; int size; int shift; int pass; int count; int pairwise; int u; + int vec_size; uint32_t imm, mask; TCGv_i32 tmp, tmp2, tmp3, tmp4, tmp5; TCGv_ptr ptr1, ptr2, ptr3; @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) VFP_DREG_N(rn, insn); VFP_DREG_M(rm, insn); size = (insn >> 20) & 3; + vec_size = q ? 16 : 8; + rd_ofs = neon_reg_offset(rd, 0); + rn_ofs = neon_reg_offset(rn, 0); + rm_ofs = neon_reg_offset(rm, 0); + if ((insn & (1 << 23)) == 0) { /* Three register same length. */ op = ((insn >> 7) & 0x1e) | ((insn >> 4) & 1); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) q, rd, rn, rm); } return 1; + + case NEON_3R_LOGIC: /* Logic ops. */ + switch ((u << 2) | size) { + case 0: /* VAND */ + tcg_gen_gvec_and(0, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + break; + case 1: /* VBIC */ + tcg_gen_gvec_andc(0, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + break; + case 2: + if (rn == rm) { + /* VMOV */ + tcg_gen_gvec_mov(0, rd_ofs, rn_ofs, vec_size, vec_size); + } else { + /* VORR */ + tcg_gen_gvec_or(0, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + } + break; + case 3: /* VORN */ + tcg_gen_gvec_orc(0, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + break; + case 4: /* VEOR */ + tcg_gen_gvec_xor(0, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + break; + case 5: /* VBSL */ + tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size, &bsl_op); + break; + case 6: /* VBIT */ + tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size, &bit_op); + break; + case 7: /* VBIF */ + tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size, &bif_op); + break; + } + return 0; } - if (size == 3 && op != NEON_3R_LOGIC) { + if (size == 3) { /* 64-bit element instructions. */ for (pass = 0; pass < (q ? 2 : 1); pass++) { neon_load_reg64(cpu_V0, rn + pass); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case NEON_3R_VRHADD: GEN_NEON_INTEGER_OP(rhadd); break; - case NEON_3R_LOGIC: /* Logic ops. */ - switch ((u << 2) | size) { - case 0: /* VAND */ - tcg_gen_and_i32(tmp, tmp, tmp2); - break; - case 1: /* BIC */ - tcg_gen_andc_i32(tmp, tmp, tmp2); - break; - case 2: /* VORR */ - tcg_gen_or_i32(tmp, tmp, tmp2); - break; - case 3: /* VORN */ - tcg_gen_orc_i32(tmp, tmp, tmp2); - break; - case 4: /* VEOR */ - tcg_gen_xor_i32(tmp, tmp, tmp2); - break; - case 5: /* VBSL */ - tmp3 = neon_load_reg(rd, pass); - gen_neon_bsl(tmp, tmp, tmp2, tmp3); - tcg_temp_free_i32(tmp3); - break; - case 6: /* VBIT */ - tmp3 = neon_load_reg(rd, pass); - gen_neon_bsl(tmp, tmp, tmp3, tmp2); - tcg_temp_free_i32(tmp3); - break; - case 7: /* VBIF */ - tmp3 = neon_load_reg(rd, pass); - gen_neon_bsl(tmp, tmp3, tmp, tmp2); - tcg_temp_free_i32(tmp3); - break; - } - break; case NEON_3R_VHSUB: GEN_NEON_INTEGER_OP(hsub); break; -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-10-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 29 ++++++++++------------------- 1 file changed, 10 insertions(+), 19 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; } return 0; + + case NEON_3R_VADD_VSUB: + if (u) { + tcg_gen_gvec_sub(size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + } else { + tcg_gen_gvec_add(size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + } + return 0; } if (size == 3) { /* 64-bit element instructions. */ @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) cpu_V1, cpu_V0); } break; - case NEON_3R_VADD_VSUB: - if (u) { - tcg_gen_sub_i64(CPU_V001); - } else { - tcg_gen_add_i64(CPU_V001); - } - break; default: abort(); } @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tmp2 = neon_load_reg(rd, pass); gen_neon_add(size, tmp, tmp2); break; - case NEON_3R_VADD_VSUB: - if (!u) { /* VADD */ - gen_neon_add(size, tmp, tmp2); - } else { /* VSUB */ - switch (size) { - case 0: gen_helper_neon_sub_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_sub_u16(tmp, tmp, tmp2); break; - case 2: tcg_gen_sub_i32(tmp, tmp, tmp2); break; - default: abort(); - } - } - break; case NEON_3R_VTST_VCEQ: if (!u) { /* VTST */ switch (size) { -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-11-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tcg_temp_free_ptr(ptr1); tcg_temp_free_ptr(ptr2); break; + + case NEON_2RM_VMVN: + tcg_gen_gvec_not(0, rd_ofs, rm_ofs, vec_size, vec_size); + break; + case NEON_2RM_VNEG: + tcg_gen_gvec_neg(size, rd_ofs, rm_ofs, vec_size, vec_size); + break; + default: elementwise: for (pass = 0; pass < (q ? 4 : 2); pass++) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case NEON_2RM_VCNT: gen_helper_neon_cnt_u8(tmp, tmp); break; - case NEON_2RM_VMVN: - tcg_gen_not_i32(tmp, tmp); - break; case NEON_2RM_VQABS: switch (size) { case 0: @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) default: abort(); } break; - case NEON_2RM_VNEG: - tmp2 = tcg_const_i32(0); - gen_neon_rsb(size, tmp, tmp2); - tcg_temp_free_i32(tmp2); - break; case NEON_2RM_VCGT0_F: { TCGv_ptr fpstatus = get_fpstatus_ptr(1); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-12-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) vec_size, vec_size); } return 0; + + case NEON_3R_VMUL: /* VMUL */ + if (u) { + /* Polynomial case allows only P8 and is handled below. */ + if (size != 0) { + return 1; + } + } else { + tcg_gen_gvec_mul(size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + return 0; + } + break; } if (size == 3) { /* 64-bit element instructions. */ @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) return 1; } break; - case NEON_3R_VMUL: - if (u && (size != 0)) { - /* UNDEF on invalid size for polynomial subcase */ - return 1; - } - break; case NEON_3R_VFM_VQRDMLSH: if (!arm_dc_feature(s, ARM_FEATURE_VFP4)) { return 1; @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } break; case NEON_3R_VMUL: - if (u) { /* polynomial */ - gen_helper_neon_mul_p8(tmp, tmp, tmp2); - } else { /* Integer */ - switch (size) { - case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; - case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; - default: abort(); - } - } + /* VMUL.P8; other cases already eliminated. */ + gen_helper_neon_mul_p8(tmp, tmp, tmp2); break; case NEON_3R_VPMAX: GEN_NEON_INTEGER_OP(pmax); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-13-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 70 +++++++++++++++++++++++++++++------------- 1 file changed, 48 insertions(+), 22 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) size--; } shift = (insn >> 16) & ((1 << (3 + size)) - 1); - /* To avoid excessive duplication of ops we implement shift - by immediate using the variable shift operations. */ if (op < 8) { /* Shift by immediate: VSHR, VSRA, VRSHR, VRSRA, VSRI, VSHL, VQSHL, VQSHLU. */ @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } /* Right shifts are encoded as N - shift, where N is the element size in bits. */ - if (op <= 4) + if (op <= 4) { shift = shift - (1 << (size + 3)); + } + + switch (op) { + case 0: /* VSHR */ + /* Right shift comes here negative. */ + shift = -shift; + /* Shifts larger than the element size are architecturally + * valid. Unsigned results in all zeros; signed results + * in all sign bits. + */ + if (!u) { + tcg_gen_gvec_sari(size, rd_ofs, rm_ofs, + MIN(shift, (8 << size) - 1), + vec_size, vec_size); + } else if (shift >= 8 << size) { + tcg_gen_gvec_dup8i(rd_ofs, vec_size, vec_size, 0); + } else { + tcg_gen_gvec_shri(size, rd_ofs, rm_ofs, shift, + vec_size, vec_size); + } + return 0; + + case 5: /* VSHL, VSLI */ + if (!u) { /* VSHL */ + /* Shifts larger than the element size are + * architecturally valid and results in zero. + */ + if (shift >= 8 << size) { + tcg_gen_gvec_dup8i(rd_ofs, vec_size, vec_size, 0); + } else { + tcg_gen_gvec_shli(size, rd_ofs, rm_ofs, shift, + vec_size, vec_size); + } + return 0; + } + break; + } + if (size == 3) { count = q + 1; } else { count = q ? 4: 2; } - switch (size) { - case 0: - imm = (uint8_t) shift; - imm |= imm << 8; - imm |= imm << 16; - break; - case 1: - imm = (uint16_t) shift; - imm |= imm << 16; - break; - case 2: - case 3: - imm = shift; - break; - default: - abort(); - } + + /* To avoid excessive duplication of ops we implement shift + * by immediate using the variable shift operations. + */ + imm = dup_const(size, shift); for (pass = 0; pass < count; pass++) { if (size == 3) { neon_load_reg64(cpu_V0, rm + pass); tcg_gen_movi_i64(cpu_V1, imm); switch (op) { - case 0: /* VSHR */ case 1: /* VSRA */ if (u) gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) cpu_V0, cpu_V1); } break; + default: + g_assert_not_reached(); } if (op == 1 || op == 3) { /* Accumulate. */ @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tmp2 = tcg_temp_new_i32(); tcg_gen_movi_i32(tmp2, imm); switch (op) { - case 0: /* VSHR */ case 1: /* VSRA */ GEN_NEON_INTEGER_OP(shl); break; @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case 7: /* VQSHL */ GEN_NEON_INTEGER_OP_ENV(qshl); break; + default: + g_assert_not_reached(); } tcg_temp_free_i32(tmp2); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Move ssra_op and usra_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-14-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.h | 2 + target/arm/translate-a64.c | 106 ---------------------------- target/arm/translate.c | 139 ++++++++++++++++++++++++++++++++++--- 3 files changed, 130 insertions(+), 117 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -XXX,XX +XXX,XX @@ static inline TCGv_i32 get_ahp_flag(void) extern const GVecGen3 bsl_op; extern const GVecGen3 bit_op; extern const GVecGen3 bif_op; +extern const GVecGen2i ssra_op[4]; +extern const GVecGen2i usra_op[4]; /* * Forward to the isar_feature_* tests given a DisasContext pointer. diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn) } } -static void gen_ssra8_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_vec_sar8i_i64(a, a, shift); - tcg_gen_vec_add8_i64(d, d, a); -} - -static void gen_ssra16_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_vec_sar16i_i64(a, a, shift); - tcg_gen_vec_add16_i64(d, d, a); -} - -static void gen_ssra32_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) -{ - tcg_gen_sari_i32(a, a, shift); - tcg_gen_add_i32(d, d, a); -} - -static void gen_ssra64_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_sari_i64(a, a, shift); - tcg_gen_add_i64(d, d, a); -} - -static void gen_ssra_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) -{ - tcg_gen_sari_vec(vece, a, a, sh); - tcg_gen_add_vec(vece, d, d, a); -} - -static void gen_usra8_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_vec_shr8i_i64(a, a, shift); - tcg_gen_vec_add8_i64(d, d, a); -} - -static void gen_usra16_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_vec_shr16i_i64(a, a, shift); - tcg_gen_vec_add16_i64(d, d, a); -} - -static void gen_usra32_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) -{ - tcg_gen_shri_i32(a, a, shift); - tcg_gen_add_i32(d, d, a); -} - -static void gen_usra64_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_shri_i64(a, a, shift); - tcg_gen_add_i64(d, d, a); -} - -static void gen_usra_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) -{ - tcg_gen_shri_vec(vece, a, a, sh); - tcg_gen_add_vec(vece, d, d, a); -} - static void gen_shr8_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) { uint64_t mask = dup_const(MO_8, 0xff >> shift); @@ -XXX,XX +XXX,XX @@ static void gen_shr_ins_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) static void handle_vec_simd_shri(DisasContext *s, bool is_q, bool is_u, int immh, int immb, int opcode, int rn, int rd) { - static const GVecGen2i ssra_op[4] = { - { .fni8 = gen_ssra8_i64, - .fniv = gen_ssra_vec, - .load_dest = true, - .opc = INDEX_op_sari_vec, - .vece = MO_8 }, - { .fni8 = gen_ssra16_i64, - .fniv = gen_ssra_vec, - .load_dest = true, - .opc = INDEX_op_sari_vec, - .vece = MO_16 }, - { .fni4 = gen_ssra32_i32, - .fniv = gen_ssra_vec, - .load_dest = true, - .opc = INDEX_op_sari_vec, - .vece = MO_32 }, - { .fni8 = gen_ssra64_i64, - .fniv = gen_ssra_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .opc = INDEX_op_sari_vec, - .vece = MO_64 }, - }; - static const GVecGen2i usra_op[4] = { - { .fni8 = gen_usra8_i64, - .fniv = gen_usra_vec, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_8, }, - { .fni8 = gen_usra16_i64, - .fniv = gen_usra_vec, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_16, }, - { .fni4 = gen_usra32_i32, - .fniv = gen_usra_vec, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_32, }, - { .fni8 = gen_usra64_i64, - .fniv = gen_usra_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_64, }, - }; static const GVecGen2i sri_op[4] = { { .fni8 = gen_shr8_ins_i64, .fniv = gen_shr_ins_vec, diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ const GVecGen3 bif_op = { .load_dest = true }; +static void gen_ssra8_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_vec_sar8i_i64(a, a, shift); + tcg_gen_vec_add8_i64(d, d, a); +} + +static void gen_ssra16_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_vec_sar16i_i64(a, a, shift); + tcg_gen_vec_add16_i64(d, d, a); +} + +static void gen_ssra32_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) +{ + tcg_gen_sari_i32(a, a, shift); + tcg_gen_add_i32(d, d, a); +} + +static void gen_ssra64_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_sari_i64(a, a, shift); + tcg_gen_add_i64(d, d, a); +} + +static void gen_ssra_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) +{ + tcg_gen_sari_vec(vece, a, a, sh); + tcg_gen_add_vec(vece, d, d, a); +} + +const GVecGen2i ssra_op[4] = { + { .fni8 = gen_ssra8_i64, + .fniv = gen_ssra_vec, + .load_dest = true, + .opc = INDEX_op_sari_vec, + .vece = MO_8 }, + { .fni8 = gen_ssra16_i64, + .fniv = gen_ssra_vec, + .load_dest = true, + .opc = INDEX_op_sari_vec, + .vece = MO_16 }, + { .fni4 = gen_ssra32_i32, + .fniv = gen_ssra_vec, + .load_dest = true, + .opc = INDEX_op_sari_vec, + .vece = MO_32 }, + { .fni8 = gen_ssra64_i64, + .fniv = gen_ssra_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true, + .opc = INDEX_op_sari_vec, + .vece = MO_64 }, +}; + +static void gen_usra8_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_vec_shr8i_i64(a, a, shift); + tcg_gen_vec_add8_i64(d, d, a); +} + +static void gen_usra16_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_vec_shr16i_i64(a, a, shift); + tcg_gen_vec_add16_i64(d, d, a); +} + +static void gen_usra32_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) +{ + tcg_gen_shri_i32(a, a, shift); + tcg_gen_add_i32(d, d, a); +} + +static void gen_usra64_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_shri_i64(a, a, shift); + tcg_gen_add_i64(d, d, a); +} + +static void gen_usra_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) +{ + tcg_gen_shri_vec(vece, a, a, sh); + tcg_gen_add_vec(vece, d, d, a); +} + +const GVecGen2i usra_op[4] = { + { .fni8 = gen_usra8_i64, + .fniv = gen_usra_vec, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_8, }, + { .fni8 = gen_usra16_i64, + .fniv = gen_usra_vec, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_16, }, + { .fni4 = gen_usra32_i32, + .fniv = gen_usra_vec, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_32, }, + { .fni8 = gen_usra64_i64, + .fniv = gen_usra_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_64, }, +}; /* Translate a NEON data processing instruction. Return nonzero if the instruction is invalid. @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } return 0; + case 1: /* VSRA */ + /* Right shift comes here negative. */ + shift = -shift; + /* Shifts larger than the element size are architecturally + * valid. Unsigned results in all zeros; signed results + * in all sign bits. + */ + if (!u) { + tcg_gen_gvec_2i(rd_ofs, rm_ofs, vec_size, vec_size, + MIN(shift, (8 << size) - 1), + &ssra_op[size]); + } else if (shift >= 8 << size) { + /* rd += 0 */ + } else { + tcg_gen_gvec_2i(rd_ofs, rm_ofs, vec_size, vec_size, + shift, &usra_op[size]); + } + return 0; + case 5: /* VSHL, VSLI */ if (!u) { /* VSHL */ /* Shifts larger than the element size are @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) neon_load_reg64(cpu_V0, rm + pass); tcg_gen_movi_i64(cpu_V1, imm); switch (op) { - case 1: /* VSRA */ - if (u) - gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); - else - gen_helper_neon_shl_s64(cpu_V0, cpu_V0, cpu_V1); - break; case 2: /* VRSHR */ case 3: /* VRSRA */ if (u) @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) default: g_assert_not_reached(); } - if (op == 1 || op == 3) { + if (op == 3) { /* Accumulate. */ neon_load_reg64(cpu_V1, rd + pass); tcg_gen_add_i64(cpu_V0, cpu_V0, cpu_V1); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tmp2 = tcg_temp_new_i32(); tcg_gen_movi_i32(tmp2, imm); switch (op) { - case 1: /* VSRA */ - GEN_NEON_INTEGER_OP(shl); - break; case 2: /* VRSHR */ case 3: /* VRSRA */ GEN_NEON_INTEGER_OP(rshl); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } tcg_temp_free_i32(tmp2); - if (op == 1 || op == 3) { + if (op == 3) { /* Accumulate. */ tmp2 = neon_load_reg(rd, pass); gen_neon_add(size, tmp, tmp2); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Move shi_op and sli_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-15-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.h | 2 + target/arm/translate-a64.c | 152 +---------------------- target/arm/translate.c | 244 ++++++++++++++++++++++++++----------- 3 files changed, 179 insertions(+), 219 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -XXX,XX +XXX,XX @@ extern const GVecGen3 bit_op; extern const GVecGen3 bif_op; extern const GVecGen2i ssra_op[4]; extern const GVecGen2i usra_op[4]; +extern const GVecGen2i sri_op[4]; +extern const GVecGen2i sli_op[4]; /* * Forward to the isar_feature_* tests given a DisasContext pointer. diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn) } } -static void gen_shr8_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - uint64_t mask = dup_const(MO_8, 0xff >> shift); - TCGv_i64 t = tcg_temp_new_i64(); - - tcg_gen_shri_i64(t, a, shift); - tcg_gen_andi_i64(t, t, mask); - tcg_gen_andi_i64(d, d, ~mask); - tcg_gen_or_i64(d, d, t); - tcg_temp_free_i64(t); -} - -static void gen_shr16_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - uint64_t mask = dup_const(MO_16, 0xffff >> shift); - TCGv_i64 t = tcg_temp_new_i64(); - - tcg_gen_shri_i64(t, a, shift); - tcg_gen_andi_i64(t, t, mask); - tcg_gen_andi_i64(d, d, ~mask); - tcg_gen_or_i64(d, d, t); - tcg_temp_free_i64(t); -} - -static void gen_shr32_ins_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) -{ - tcg_gen_shri_i32(a, a, shift); - tcg_gen_deposit_i32(d, d, a, 0, 32 - shift); -} - -static void gen_shr64_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_shri_i64(a, a, shift); - tcg_gen_deposit_i64(d, d, a, 0, 64 - shift); -} - -static void gen_shr_ins_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) -{ - uint64_t mask = (2ull << ((8 << vece) - 1)) - 1; - TCGv_vec t = tcg_temp_new_vec_matching(d); - TCGv_vec m = tcg_temp_new_vec_matching(d); - - tcg_gen_dupi_vec(vece, m, mask ^ (mask >> sh)); - tcg_gen_shri_vec(vece, t, a, sh); - tcg_gen_and_vec(vece, d, d, m); - tcg_gen_or_vec(vece, d, d, t); - - tcg_temp_free_vec(t); - tcg_temp_free_vec(m); -} - /* SSHR[RA]/USHR[RA] - Vector shift right (optional rounding/accumulate) */ static void handle_vec_simd_shri(DisasContext *s, bool is_q, bool is_u, int immh, int immb, int opcode, int rn, int rd) { - static const GVecGen2i sri_op[4] = { - { .fni8 = gen_shr8_ins_i64, - .fniv = gen_shr_ins_vec, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_8 }, - { .fni8 = gen_shr16_ins_i64, - .fniv = gen_shr_ins_vec, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_16 }, - { .fni4 = gen_shr32_ins_i32, - .fniv = gen_shr_ins_vec, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_32 }, - { .fni8 = gen_shr64_ins_i64, - .fniv = gen_shr_ins_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .opc = INDEX_op_shri_vec, - .vece = MO_64 }, - }; - int size = 32 - clz32(immh) - 1; int immhb = immh << 3 | immb; int shift = 2 * (8 << size) - immhb; @@ -XXX,XX +XXX,XX @@ static void handle_vec_simd_shri(DisasContext *s, bool is_q, bool is_u, clear_vec_high(s, is_q, rd); } -static void gen_shl8_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - uint64_t mask = dup_const(MO_8, 0xff << shift); - TCGv_i64 t = tcg_temp_new_i64(); - - tcg_gen_shli_i64(t, a, shift); - tcg_gen_andi_i64(t, t, mask); - tcg_gen_andi_i64(d, d, ~mask); - tcg_gen_or_i64(d, d, t); - tcg_temp_free_i64(t); -} - -static void gen_shl16_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - uint64_t mask = dup_const(MO_16, 0xffff << shift); - TCGv_i64 t = tcg_temp_new_i64(); - - tcg_gen_shli_i64(t, a, shift); - tcg_gen_andi_i64(t, t, mask); - tcg_gen_andi_i64(d, d, ~mask); - tcg_gen_or_i64(d, d, t); - tcg_temp_free_i64(t); -} - -static void gen_shl32_ins_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) -{ - tcg_gen_deposit_i32(d, d, a, shift, 32 - shift); -} - -static void gen_shl64_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) -{ - tcg_gen_deposit_i64(d, d, a, shift, 64 - shift); -} - -static void gen_shl_ins_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) -{ - uint64_t mask = (1ull << sh) - 1; - TCGv_vec t = tcg_temp_new_vec_matching(d); - TCGv_vec m = tcg_temp_new_vec_matching(d); - - tcg_gen_dupi_vec(vece, m, mask); - tcg_gen_shli_vec(vece, t, a, sh); - tcg_gen_and_vec(vece, d, d, m); - tcg_gen_or_vec(vece, d, d, t); - - tcg_temp_free_vec(t); - tcg_temp_free_vec(m); -} - /* SHL/SLI - Vector shift left */ static void handle_vec_simd_shli(DisasContext *s, bool is_q, bool insert, int immh, int immb, int opcode, int rn, int rd) { - static const GVecGen2i shi_op[4] = { - { .fni8 = gen_shl8_ins_i64, - .fniv = gen_shl_ins_vec, - .opc = INDEX_op_shli_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .vece = MO_8 }, - { .fni8 = gen_shl16_ins_i64, - .fniv = gen_shl_ins_vec, - .opc = INDEX_op_shli_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .vece = MO_16 }, - { .fni4 = gen_shl32_ins_i32, - .fniv = gen_shl_ins_vec, - .opc = INDEX_op_shli_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .vece = MO_32 }, - { .fni8 = gen_shl64_ins_i64, - .fniv = gen_shl_ins_vec, - .opc = INDEX_op_shli_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .vece = MO_64 }, - }; int size = 32 - clz32(immh) - 1; int immhb = immh << 3 | immb; int shift = immhb - (8 << size); @@ -XXX,XX +XXX,XX @@ static void handle_vec_simd_shli(DisasContext *s, bool is_q, bool insert, } if (insert) { - gen_gvec_op2i(s, is_q, rd, rn, shift, &shi_op[size]); + gen_gvec_op2i(s, is_q, rd, rn, shift, &sli_op[size]); } else { gen_gvec_fn2i(s, is_q, rd, rn, shift, tcg_gen_gvec_shli, size); } diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ const GVecGen2i usra_op[4] = { .vece = MO_64, }, }; +static void gen_shr8_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + uint64_t mask = dup_const(MO_8, 0xff >> shift); + TCGv_i64 t = tcg_temp_new_i64(); + + tcg_gen_shri_i64(t, a, shift); + tcg_gen_andi_i64(t, t, mask); + tcg_gen_andi_i64(d, d, ~mask); + tcg_gen_or_i64(d, d, t); + tcg_temp_free_i64(t); +} + +static void gen_shr16_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + uint64_t mask = dup_const(MO_16, 0xffff >> shift); + TCGv_i64 t = tcg_temp_new_i64(); + + tcg_gen_shri_i64(t, a, shift); + tcg_gen_andi_i64(t, t, mask); + tcg_gen_andi_i64(d, d, ~mask); + tcg_gen_or_i64(d, d, t); + tcg_temp_free_i64(t); +} + +static void gen_shr32_ins_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) +{ + tcg_gen_shri_i32(a, a, shift); + tcg_gen_deposit_i32(d, d, a, 0, 32 - shift); +} + +static void gen_shr64_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_shri_i64(a, a, shift); + tcg_gen_deposit_i64(d, d, a, 0, 64 - shift); +} + +static void gen_shr_ins_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) +{ + if (sh == 0) { + tcg_gen_mov_vec(d, a); + } else { + TCGv_vec t = tcg_temp_new_vec_matching(d); + TCGv_vec m = tcg_temp_new_vec_matching(d); + + tcg_gen_dupi_vec(vece, m, MAKE_64BIT_MASK((8 << vece) - sh, sh)); + tcg_gen_shri_vec(vece, t, a, sh); + tcg_gen_and_vec(vece, d, d, m); + tcg_gen_or_vec(vece, d, d, t); + + tcg_temp_free_vec(t); + tcg_temp_free_vec(m); + } +} + +const GVecGen2i sri_op[4] = { + { .fni8 = gen_shr8_ins_i64, + .fniv = gen_shr_ins_vec, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_8 }, + { .fni8 = gen_shr16_ins_i64, + .fniv = gen_shr_ins_vec, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_16 }, + { .fni4 = gen_shr32_ins_i32, + .fniv = gen_shr_ins_vec, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_32 }, + { .fni8 = gen_shr64_ins_i64, + .fniv = gen_shr_ins_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true, + .opc = INDEX_op_shri_vec, + .vece = MO_64 }, +}; + +static void gen_shl8_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + uint64_t mask = dup_const(MO_8, 0xff << shift); + TCGv_i64 t = tcg_temp_new_i64(); + + tcg_gen_shli_i64(t, a, shift); + tcg_gen_andi_i64(t, t, mask); + tcg_gen_andi_i64(d, d, ~mask); + tcg_gen_or_i64(d, d, t); + tcg_temp_free_i64(t); +} + +static void gen_shl16_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + uint64_t mask = dup_const(MO_16, 0xffff << shift); + TCGv_i64 t = tcg_temp_new_i64(); + + tcg_gen_shli_i64(t, a, shift); + tcg_gen_andi_i64(t, t, mask); + tcg_gen_andi_i64(d, d, ~mask); + tcg_gen_or_i64(d, d, t); + tcg_temp_free_i64(t); +} + +static void gen_shl32_ins_i32(TCGv_i32 d, TCGv_i32 a, int32_t shift) +{ + tcg_gen_deposit_i32(d, d, a, shift, 32 - shift); +} + +static void gen_shl64_ins_i64(TCGv_i64 d, TCGv_i64 a, int64_t shift) +{ + tcg_gen_deposit_i64(d, d, a, shift, 64 - shift); +} + +static void gen_shl_ins_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t sh) +{ + if (sh == 0) { + tcg_gen_mov_vec(d, a); + } else { + TCGv_vec t = tcg_temp_new_vec_matching(d); + TCGv_vec m = tcg_temp_new_vec_matching(d); + + tcg_gen_dupi_vec(vece, m, MAKE_64BIT_MASK(0, sh)); + tcg_gen_shli_vec(vece, t, a, sh); + tcg_gen_and_vec(vece, d, d, m); + tcg_gen_or_vec(vece, d, d, t); + + tcg_temp_free_vec(t); + tcg_temp_free_vec(m); + } +} + +const GVecGen2i sli_op[4] = { + { .fni8 = gen_shl8_ins_i64, + .fniv = gen_shl_ins_vec, + .load_dest = true, + .opc = INDEX_op_shli_vec, + .vece = MO_8 }, + { .fni8 = gen_shl16_ins_i64, + .fniv = gen_shl_ins_vec, + .load_dest = true, + .opc = INDEX_op_shli_vec, + .vece = MO_16 }, + { .fni4 = gen_shl32_ins_i32, + .fniv = gen_shl_ins_vec, + .load_dest = true, + .opc = INDEX_op_shli_vec, + .vece = MO_32 }, + { .fni8 = gen_shl64_ins_i64, + .fniv = gen_shl_ins_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true, + .opc = INDEX_op_shli_vec, + .vece = MO_64 }, +}; + /* Translate a NEON data processing instruction. Return nonzero if the instruction is invalid. We process data in a mixture of 32-bit and 64-bit chunks. @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) int pairwise; int u; int vec_size; - uint32_t imm, mask; + uint32_t imm; TCGv_i32 tmp, tmp2, tmp3, tmp4, tmp5; TCGv_ptr ptr1, ptr2, ptr3; TCGv_i64 tmp64; @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } return 0; + case 4: /* VSRI */ + if (!u) { + return 1; + } + /* Right shift comes here negative. */ + shift = -shift; + /* Shift out of range leaves destination unchanged. */ + if (shift < 8 << size) { + tcg_gen_gvec_2i(rd_ofs, rm_ofs, vec_size, vec_size, + shift, &sri_op[size]); + } + return 0; + case 5: /* VSHL, VSLI */ - if (!u) { /* VSHL */ + if (u) { /* VSLI */ + /* Shift out of range leaves destination unchanged. */ + if (shift < 8 << size) { + tcg_gen_gvec_2i(rd_ofs, rm_ofs, vec_size, + vec_size, shift, &sli_op[size]); + } + } else { /* VSHL */ /* Shifts larger than the element size are * architecturally valid and results in zero. */ @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tcg_gen_gvec_shli(size, rd_ofs, rm_ofs, shift, vec_size, vec_size); } - return 0; } - break; + return 0; } if (size == 3) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) else gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, cpu_V1); break; - case 4: /* VSRI */ - case 5: /* VSHL, VSLI */ - gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); - break; case 6: /* VQSHLU */ gen_helper_neon_qshlu_s64(cpu_V0, cpu_env, cpu_V0, cpu_V1); @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) /* Accumulate. */ neon_load_reg64(cpu_V1, rd + pass); tcg_gen_add_i64(cpu_V0, cpu_V0, cpu_V1); - } else if (op == 4 || (op == 5 && u)) { - /* Insert */ - neon_load_reg64(cpu_V1, rd + pass); - uint64_t mask; - if (shift < -63 || shift > 63) { - mask = 0; - } else { - if (op == 4) { - mask = 0xffffffffffffffffull >> -shift; - } else { - mask = 0xffffffffffffffffull << shift; - } - } - tcg_gen_andi_i64(cpu_V1, cpu_V1, ~mask); - tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); } neon_store_reg64(cpu_V0, rd + pass); } else { /* size < 3 */ @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case 3: /* VRSRA */ GEN_NEON_INTEGER_OP(rshl); break; - case 4: /* VSRI */ - case 5: /* VSHL, VSLI */ - switch (size) { - case 0: gen_helper_neon_shl_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_shl_u16(tmp, tmp, tmp2); break; - case 2: gen_helper_neon_shl_u32(tmp, tmp, tmp2); break; - default: abort(); - } - break; case 6: /* VQSHLU */ switch (size) { case 0: @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tmp2 = neon_load_reg(rd, pass); gen_neon_add(size, tmp, tmp2); tcg_temp_free_i32(tmp2); - } else if (op == 4 || (op == 5 && u)) { - /* Insert */ - switch (size) { - case 0: - if (op == 4) - mask = 0xff >> -shift; - else - mask = (uint8_t)(0xff << shift); - mask |= mask << 8; - mask |= mask << 16; - break; - case 1: - if (op == 4) - mask = 0xffff >> -shift; - else - mask = (uint16_t)(0xffff << shift); - mask |= mask << 16; - break; - case 2: - if (shift < -31 || shift > 31) { - mask = 0; - } else { - if (op == 4) - mask = 0xffffffffu >> -shift; - else - mask = 0xffffffffu << shift; - } - break; - default: - abort(); - } - tmp2 = neon_load_reg(rd, pass); - tcg_gen_andi_i32(tmp, tmp, mask); - tcg_gen_andi_i32(tmp2, tmp2, ~mask); - tcg_gen_or_i32(tmp, tmp, tmp2); - tcg_temp_free_i32(tmp2); } neon_store_reg(rd, pass, tmp); } -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Move mla_op and mls_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-16-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.h | 2 + target/arm/translate-a64.c | 106 ----------------------------- target/arm/translate.c | 134 ++++++++++++++++++++++++++++++++----- 3 files changed, 120 insertions(+), 122 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -XXX,XX +XXX,XX @@ static inline TCGv_i32 get_ahp_flag(void) extern const GVecGen3 bsl_op; extern const GVecGen3 bit_op; extern const GVecGen3 bif_op; +extern const GVecGen3 mla_op[4]; +extern const GVecGen3 mls_op[4]; extern const GVecGen2i ssra_op[4]; extern const GVecGen2i usra_op[4]; extern const GVecGen2i sri_op[4]; diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_simd_3same_float(DisasContext *s, uint32_t insn) } } -static void gen_mla8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - gen_helper_neon_mul_u8(a, a, b); - gen_helper_neon_add_u8(d, d, a); -} - -static void gen_mla16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - gen_helper_neon_mul_u16(a, a, b); - gen_helper_neon_add_u16(d, d, a); -} - -static void gen_mla32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - tcg_gen_mul_i32(a, a, b); - tcg_gen_add_i32(d, d, a); -} - -static void gen_mla64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) -{ - tcg_gen_mul_i64(a, a, b); - tcg_gen_add_i64(d, d, a); -} - -static void gen_mla_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b) -{ - tcg_gen_mul_vec(vece, a, a, b); - tcg_gen_add_vec(vece, d, d, a); -} - -static void gen_mls8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - gen_helper_neon_mul_u8(a, a, b); - gen_helper_neon_sub_u8(d, d, a); -} - -static void gen_mls16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - gen_helper_neon_mul_u16(a, a, b); - gen_helper_neon_sub_u16(d, d, a); -} - -static void gen_mls32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - tcg_gen_mul_i32(a, a, b); - tcg_gen_sub_i32(d, d, a); -} - -static void gen_mls64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) -{ - tcg_gen_mul_i64(a, a, b); - tcg_gen_sub_i64(d, d, a); -} - -static void gen_mls_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b) -{ - tcg_gen_mul_vec(vece, a, a, b); - tcg_gen_sub_vec(vece, d, d, a); -} - /* Integer op subgroup of C3.6.16. */ static void disas_simd_3same_int(DisasContext *s, uint32_t insn) { @@ -XXX,XX +XXX,XX @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn) .prefer_i64 = TCG_TARGET_REG_BITS == 64, .vece = MO_64 }, }; - static const GVecGen3 mla_op[4] = { - { .fni4 = gen_mla8_i32, - .fniv = gen_mla_vec, - .opc = INDEX_op_mul_vec, - .load_dest = true, - .vece = MO_8 }, - { .fni4 = gen_mla16_i32, - .fniv = gen_mla_vec, - .opc = INDEX_op_mul_vec, - .load_dest = true, - .vece = MO_16 }, - { .fni4 = gen_mla32_i32, - .fniv = gen_mla_vec, - .opc = INDEX_op_mul_vec, - .load_dest = true, - .vece = MO_32 }, - { .fni8 = gen_mla64_i64, - .fniv = gen_mla_vec, - .opc = INDEX_op_mul_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .vece = MO_64 }, - }; - static const GVecGen3 mls_op[4] = { - { .fni4 = gen_mls8_i32, - .fniv = gen_mls_vec, - .opc = INDEX_op_mul_vec, - .load_dest = true, - .vece = MO_8 }, - { .fni4 = gen_mls16_i32, - .fniv = gen_mls_vec, - .opc = INDEX_op_mul_vec, - .load_dest = true, - .vece = MO_16 }, - { .fni4 = gen_mls32_i32, - .fniv = gen_mls_vec, - .opc = INDEX_op_mul_vec, - .load_dest = true, - .vece = MO_32 }, - { .fni8 = gen_mls64_i64, - .fniv = gen_mls_vec, - .opc = INDEX_op_mul_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .load_dest = true, - .vece = MO_64 }, - }; int is_q = extract32(insn, 30, 1); int u = extract32(insn, 29, 1); diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static void gen_neon_narrow_op(int op, int u, int size, #define NEON_3R_VABA 15 #define NEON_3R_VADD_VSUB 16 #define NEON_3R_VTST_VCEQ 17 -#define NEON_3R_VML 18 /* VMLA, VMLAL, VMLS, VMLSL */ +#define NEON_3R_VML 18 /* VMLA, VMLS */ #define NEON_3R_VMUL 19 #define NEON_3R_VPMAX 20 #define NEON_3R_VPMIN 21 @@ -XXX,XX +XXX,XX @@ const GVecGen2i sli_op[4] = { .vece = MO_64 }, }; +static void gen_mla8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + gen_helper_neon_mul_u8(a, a, b); + gen_helper_neon_add_u8(d, d, a); +} + +static void gen_mls8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + gen_helper_neon_mul_u8(a, a, b); + gen_helper_neon_sub_u8(d, d, a); +} + +static void gen_mla16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + gen_helper_neon_mul_u16(a, a, b); + gen_helper_neon_add_u16(d, d, a); +} + +static void gen_mls16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + gen_helper_neon_mul_u16(a, a, b); + gen_helper_neon_sub_u16(d, d, a); +} + +static void gen_mla32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + tcg_gen_mul_i32(a, a, b); + tcg_gen_add_i32(d, d, a); +} + +static void gen_mls32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + tcg_gen_mul_i32(a, a, b); + tcg_gen_sub_i32(d, d, a); +} + +static void gen_mla64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) +{ + tcg_gen_mul_i64(a, a, b); + tcg_gen_add_i64(d, d, a); +} + +static void gen_mls64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) +{ + tcg_gen_mul_i64(a, a, b); + tcg_gen_sub_i64(d, d, a); +} + +static void gen_mla_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b) +{ + tcg_gen_mul_vec(vece, a, a, b); + tcg_gen_add_vec(vece, d, d, a); +} + +static void gen_mls_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b) +{ + tcg_gen_mul_vec(vece, a, a, b); + tcg_gen_sub_vec(vece, d, d, a); +} + +/* Note that while NEON does not support VMLA and VMLS as 64-bit ops, + * these tables are shared with AArch64 which does support them. + */ +const GVecGen3 mla_op[4] = { + { .fni4 = gen_mla8_i32, + .fniv = gen_mla_vec, + .opc = INDEX_op_mul_vec, + .load_dest = true, + .vece = MO_8 }, + { .fni4 = gen_mla16_i32, + .fniv = gen_mla_vec, + .opc = INDEX_op_mul_vec, + .load_dest = true, + .vece = MO_16 }, + { .fni4 = gen_mla32_i32, + .fniv = gen_mla_vec, + .opc = INDEX_op_mul_vec, + .load_dest = true, + .vece = MO_32 }, + { .fni8 = gen_mla64_i64, + .fniv = gen_mla_vec, + .opc = INDEX_op_mul_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true, + .vece = MO_64 }, +}; + +const GVecGen3 mls_op[4] = { + { .fni4 = gen_mls8_i32, + .fniv = gen_mls_vec, + .opc = INDEX_op_mul_vec, + .load_dest = true, + .vece = MO_8 }, + { .fni4 = gen_mls16_i32, + .fniv = gen_mls_vec, + .opc = INDEX_op_mul_vec, + .load_dest = true, + .vece = MO_16 }, + { .fni4 = gen_mls32_i32, + .fniv = gen_mls_vec, + .opc = INDEX_op_mul_vec, + .load_dest = true, + .vece = MO_32 }, + { .fni8 = gen_mls64_i64, + .fniv = gen_mls_vec, + .opc = INDEX_op_mul_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .load_dest = true, + .vece = MO_64 }, +}; + /* Translate a NEON data processing instruction. Return nonzero if the instruction is invalid. We process data in a mixture of 32-bit and 64-bit chunks. @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) return 0; } break; + + case NEON_3R_VML: /* VMLA, VMLS */ + tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size, + u ? &mls_op[size] : &mla_op[size]); + return 0; } + if (size == 3) { /* 64-bit element instructions. */ for (pass = 0; pass < (q ? 2 : 1); pass++) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } } break; - case NEON_3R_VML: /* VMLA, VMLAL, VMLS,VMLSL */ - switch (size) { - case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; - case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; - default: abort(); - } - tcg_temp_free_i32(tmp2); - tmp2 = neon_load_reg(rd, pass); - if (u) { /* VMLS */ - gen_neon_rsb(size, tmp, tmp2); - } else { /* VMLA */ - gen_neon_add(size, tmp, tmp2); - } - break; case NEON_3R_VMUL: /* VMUL.P8; other cases already eliminated. */ gen_helper_neon_mul_p8(tmp, tmp, tmp2); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Move cmtst_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-17-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.h | 2 + target/arm/translate-a64.c | 38 ------------------ target/arm/translate.c | 81 +++++++++++++++++++++++++++----------- 3 files changed, 60 insertions(+), 61 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -XXX,XX +XXX,XX @@ extern const GVecGen3 bit_op; extern const GVecGen3 bif_op; extern const GVecGen3 mla_op[4]; extern const GVecGen3 mls_op[4]; +extern const GVecGen3 cmtst_op[4]; extern const GVecGen2i ssra_op[4]; extern const GVecGen2i usra_op[4]; extern const GVecGen2i sri_op[4]; extern const GVecGen2i sli_op[4]; +void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b); /* * Forward to the isar_feature_* tests given a DisasContext pointer. diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -XXX,XX +XXX,XX @@ static void disas_simd_scalar_three_reg_diff(DisasContext *s, uint32_t insn) } } -/* CMTST : test is "if (X & Y != 0)". */ -static void gen_cmtst_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) -{ - tcg_gen_and_i32(d, a, b); - tcg_gen_setcondi_i32(TCG_COND_NE, d, d, 0); - tcg_gen_neg_i32(d, d); -} - -static void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) -{ - tcg_gen_and_i64(d, a, b); - tcg_gen_setcondi_i64(TCG_COND_NE, d, d, 0); - tcg_gen_neg_i64(d, d); -} - -static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b) -{ - tcg_gen_and_vec(vece, d, a, b); - tcg_gen_dupi_vec(vece, a, 0); - tcg_gen_cmp_vec(TCG_COND_NE, vece, d, d, a); -} - static void handle_3same_64(DisasContext *s, int opcode, bool u, TCGv_i64 tcg_rd, TCGv_i64 tcg_rn, TCGv_i64 tcg_rm) { @@ -XXX,XX +XXX,XX @@ static void disas_simd_3same_float(DisasContext *s, uint32_t insn) /* Integer op subgroup of C3.6.16. */ static void disas_simd_3same_int(DisasContext *s, uint32_t insn) { - static const GVecGen3 cmtst_op[4] = { - { .fni4 = gen_helper_neon_tst_u8, - .fniv = gen_cmtst_vec, - .vece = MO_8 }, - { .fni4 = gen_helper_neon_tst_u16, - .fniv = gen_cmtst_vec, - .vece = MO_16 }, - { .fni4 = gen_cmtst_i32, - .fniv = gen_cmtst_vec, - .vece = MO_32 }, - { .fni8 = gen_cmtst_i64, - .fniv = gen_cmtst_vec, - .prefer_i64 = TCG_TARGET_REG_BITS == 64, - .vece = MO_64 }, - }; - int is_q = extract32(insn, 30, 1); int u = extract32(insn, 29, 1); int size = extract32(insn, 22, 2); diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ const GVecGen3 mls_op[4] = { .vece = MO_64 }, }; +/* CMTST : test is "if (X & Y != 0)". */ +static void gen_cmtst_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + tcg_gen_and_i32(d, a, b); + tcg_gen_setcondi_i32(TCG_COND_NE, d, d, 0); + tcg_gen_neg_i32(d, d); +} + +void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) +{ + tcg_gen_and_i64(d, a, b); + tcg_gen_setcondi_i64(TCG_COND_NE, d, d, 0); + tcg_gen_neg_i64(d, d); +} + +static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b) +{ + tcg_gen_and_vec(vece, d, a, b); + tcg_gen_dupi_vec(vece, a, 0); + tcg_gen_cmp_vec(TCG_COND_NE, vece, d, d, a); +} + +const GVecGen3 cmtst_op[4] = { + { .fni4 = gen_helper_neon_tst_u8, + .fniv = gen_cmtst_vec, + .vece = MO_8 }, + { .fni4 = gen_helper_neon_tst_u16, + .fniv = gen_cmtst_vec, + .vece = MO_16 }, + { .fni4 = gen_cmtst_i32, + .fniv = gen_cmtst_vec, + .vece = MO_32 }, + { .fni8 = gen_cmtst_i64, + .fniv = gen_cmtst_vec, + .prefer_i64 = TCG_TARGET_REG_BITS == 64, + .vece = MO_64 }, +}; + /* Translate a NEON data processing instruction. Return nonzero if the instruction is invalid. We process data in a mixture of 32-bit and 64-bit chunks. @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size, u ? &mls_op[size] : &mla_op[size]); return 0; + + case NEON_3R_VTST_VCEQ: + if (u) { /* VCEQ */ + tcg_gen_gvec_cmp(TCG_COND_EQ, size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + } else { /* VTST */ + tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size, &cmtst_op[size]); + } + return 0; + + case NEON_3R_VCGT: + tcg_gen_gvec_cmp(u ? TCG_COND_GTU : TCG_COND_GT, size, + rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size); + return 0; + + case NEON_3R_VCGE: + tcg_gen_gvec_cmp(u ? TCG_COND_GEU : TCG_COND_GE, size, + rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size); + return 0; } if (size == 3) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case NEON_3R_VQSUB: GEN_NEON_INTEGER_OP_ENV(qsub); break; - case NEON_3R_VCGT: - GEN_NEON_INTEGER_OP(cgt); - break; - case NEON_3R_VCGE: - GEN_NEON_INTEGER_OP(cge); - break; case NEON_3R_VSHL: GEN_NEON_INTEGER_OP(shl); break; @@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tmp2 = neon_load_reg(rd, pass); gen_neon_add(size, tmp, tmp2); break; - case NEON_3R_VTST_VCEQ: - if (!u) { /* VTST */ - switch (size) { - case 0: gen_helper_neon_tst_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_tst_u16(tmp, tmp, tmp2); break; - case 2: gen_helper_neon_tst_u32(tmp, tmp, tmp2); break; - default: abort(); - } - } else { /* VCEQ */ - switch (size) { - case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; - case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; - default: abort(); - } - } - break; case NEON_3R_VMUL: /* VMUL.P8; other cases already eliminated. */ gen_helper_neon_mul_p8(tmp, tmp, tmp2); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-18-richard.henderson@linaro.org [PMM: added parens in ?: expression] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 81 ++++++++++++++---------------------------- 1 file changed, 26 insertions(+), 55 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static void gen_vfp_msr(TCGv_i32 tmp) tcg_temp_free_i32(tmp); } -static void gen_neon_dup_u8(TCGv_i32 var, int shift) -{ - TCGv_i32 tmp = tcg_temp_new_i32(); - if (shift) - tcg_gen_shri_i32(var, var, shift); - tcg_gen_ext8u_i32(var, var); - tcg_gen_shli_i32(tmp, var, 8); - tcg_gen_or_i32(var, var, tmp); - tcg_gen_shli_i32(tmp, var, 16); - tcg_gen_or_i32(var, var, tmp); - tcg_temp_free_i32(tmp); -} - static void gen_neon_dup_low16(TCGv_i32 var) { TCGv_i32 tmp = tcg_temp_new_i32(); @@ -XXX,XX +XXX,XX @@ static void gen_neon_dup_high16(TCGv_i32 var) tcg_temp_free_i32(tmp); } -static TCGv_i32 gen_load_and_replicate(DisasContext *s, TCGv_i32 addr, int size) -{ - /* Load a single Neon element and replicate into a 32 bit TCG reg */ - TCGv_i32 tmp = tcg_temp_new_i32(); - switch (size) { - case 0: - gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); - gen_neon_dup_u8(tmp, 0); - break; - case 1: - gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); - gen_neon_dup_low16(tmp); - break; - case 2: - gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); - break; - default: /* Avoid compiler warnings. */ - abort(); - } - return tmp; -} - static int handle_vsel(uint32_t insn, uint32_t rd, uint32_t rn, uint32_t rm, uint32_t dp) { @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) int load; int shift; int n; + int vec_size; TCGv_i32 addr; TCGv_i32 tmp; TCGv_i32 tmp2; @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) } addr = tcg_temp_new_i32(); load_reg_var(s, addr, rn); - if (nregs == 1) { - /* VLD1 to all lanes: bit 5 indicates how many Dregs to write */ - tmp = gen_load_and_replicate(s, addr, size); - tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0)); - tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1)); - if (insn & (1 << 5)) { - tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 0)); - tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 1)); - } - tcg_temp_free_i32(tmp); - } else { - /* VLD2/3/4 to all lanes: bit 5 indicates register stride */ - stride = (insn & (1 << 5)) ? 2 : 1; - for (reg = 0; reg < nregs; reg++) { - tmp = gen_load_and_replicate(s, addr, size); - tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0)); - tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1)); - tcg_temp_free_i32(tmp); - tcg_gen_addi_i32(addr, addr, 1 << size); - rd += stride; + + /* VLD1 to all lanes: bit 5 indicates how many Dregs to write. + * VLD2/3/4 to all lanes: bit 5 indicates register stride. + */ + stride = (insn & (1 << 5)) ? 2 : 1; + vec_size = nregs == 1 ? stride * 8 : 8; + + tmp = tcg_temp_new_i32(); + for (reg = 0; reg < nregs; reg++) { + gen_aa32_ld_i32(s, tmp, addr, get_mem_index(s), + s->be_data | size); + if ((rd & 1) && vec_size == 16) { + /* We cannot write 16 bytes at once because the + * destination is unaligned. + */ + tcg_gen_gvec_dup_i32(size, neon_reg_offset(rd, 0), + 8, 8, tmp); + tcg_gen_gvec_mov(0, neon_reg_offset(rd + 1, 0), + neon_reg_offset(rd, 0), 8, 8); + } else { + tcg_gen_gvec_dup_i32(size, neon_reg_offset(rd, 0), + vec_size, vec_size, tmp); } + tcg_gen_addi_i32(addr, addr, 1 << size); + rd += stride; } + tcg_temp_free_i32(tmp); tcg_temp_free_i32(addr); stride = (1 << size) * nregs; } else { -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Instead of shifts and masks, use direct loads and stores from the neon register file. Mirror the iteration structure of the ARM pseudocode more closely. Correct the parameters of the VLD2 A2 insn. Note that this includes a bugfix for handling of the insn "VLD2 (multiple 2-element structures)" -- we were using an incorrect stride value. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-19-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 170 ++++++++++++++++++----------------------- 1 file changed, 74 insertions(+), 96 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static TCGv_i32 neon_load_reg(int reg, int pass) return tmp; } +static void neon_load_element64(TCGv_i64 var, int reg, int ele, TCGMemOp mop) +{ + long offset = neon_element_offset(reg, ele, mop & MO_SIZE); + + switch (mop) { + case MO_UB: + tcg_gen_ld8u_i64(var, cpu_env, offset); + break; + case MO_UW: + tcg_gen_ld16u_i64(var, cpu_env, offset); + break; + case MO_UL: + tcg_gen_ld32u_i64(var, cpu_env, offset); + break; + case MO_Q: + tcg_gen_ld_i64(var, cpu_env, offset); + break; + default: + g_assert_not_reached(); + } +} + static void neon_store_reg(int reg, int pass, TCGv_i32 var) { tcg_gen_st_i32(var, cpu_env, neon_reg_offset(reg, pass)); tcg_temp_free_i32(var); } +static void neon_store_element64(int reg, int ele, TCGMemOp size, TCGv_i64 var) +{ + long offset = neon_element_offset(reg, ele, size); + + switch (size) { + case MO_8: + tcg_gen_st8_i64(var, cpu_env, offset); + break; + case MO_16: + tcg_gen_st16_i64(var, cpu_env, offset); + break; + case MO_32: + tcg_gen_st32_i64(var, cpu_env, offset); + break; + case MO_64: + tcg_gen_st_i64(var, cpu_env, offset); + break; + default: + g_assert_not_reached(); + } +} + static inline void neon_load_reg64(TCGv_i64 var, int reg) { tcg_gen_ld_i64(var, cpu_env, vfp_reg_offset(1, reg)); @@ -XXX,XX +XXX,XX @@ static struct { int interleave; int spacing; } const neon_ls_element_type[11] = { - {4, 4, 1}, - {4, 4, 2}, + {1, 4, 1}, + {1, 4, 2}, {4, 1, 1}, - {4, 2, 1}, - {3, 3, 1}, - {3, 3, 2}, + {2, 2, 2}, + {1, 3, 1}, + {1, 3, 2}, {3, 1, 1}, {1, 1, 1}, - {2, 2, 1}, - {2, 2, 2}, + {1, 2, 1}, + {1, 2, 2}, {2, 1, 1} }; @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) int shift; int n; int vec_size; + int mmu_idx; + TCGMemOp endian; TCGv_i32 addr; TCGv_i32 tmp; TCGv_i32 tmp2; @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) rn = (insn >> 16) & 0xf; rm = insn & 0xf; load = (insn & (1 << 21)) != 0; + endian = s->be_data; + mmu_idx = get_mem_index(s); if ((insn & (1 << 23)) == 0) { /* Load store all elements. */ op = (insn >> 8) & 0xf; @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) nregs = neon_ls_element_type[op].nregs; interleave = neon_ls_element_type[op].interleave; spacing = neon_ls_element_type[op].spacing; - if (size == 3 && (interleave | spacing) != 1) + if (size == 3 && (interleave | spacing) != 1) { return 1; + } + tmp64 = tcg_temp_new_i64(); addr = tcg_temp_new_i32(); + tmp2 = tcg_const_i32(1 << size); load_reg_var(s, addr, rn); - stride = (1 << size) * interleave; for (reg = 0; reg < nregs; reg++) { - if (interleave > 2 || (interleave == 2 && nregs == 2)) { - load_reg_var(s, addr, rn); - tcg_gen_addi_i32(addr, addr, (1 << size) * reg); - } else if (interleave == 2 && nregs == 4 && reg == 2) { - load_reg_var(s, addr, rn); - tcg_gen_addi_i32(addr, addr, 1 << size); - } - if (size == 3) { - tmp64 = tcg_temp_new_i64(); - if (load) { - gen_aa32_ld64(s, tmp64, addr, get_mem_index(s)); - neon_store_reg64(tmp64, rd); - } else { - neon_load_reg64(tmp64, rd); - gen_aa32_st64(s, tmp64, addr, get_mem_index(s)); - } - tcg_temp_free_i64(tmp64); - tcg_gen_addi_i32(addr, addr, stride); - } else { - for (pass = 0; pass < 2; pass++) { - if (size == 2) { - if (load) { - tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); - neon_store_reg(rd, pass, tmp); - } else { - tmp = neon_load_reg(rd, pass); - gen_aa32_st32(s, tmp, addr, get_mem_index(s)); - tcg_temp_free_i32(tmp); - } - tcg_gen_addi_i32(addr, addr, stride); - } else if (size == 1) { - if (load) { - tmp = tcg_temp_new_i32(); - gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); - tcg_gen_addi_i32(addr, addr, stride); - tmp2 = tcg_temp_new_i32(); - gen_aa32_ld16u(s, tmp2, addr, get_mem_index(s)); - tcg_gen_addi_i32(addr, addr, stride); - tcg_gen_shli_i32(tmp2, tmp2, 16); - tcg_gen_or_i32(tmp, tmp, tmp2); - tcg_temp_free_i32(tmp2); - neon_store_reg(rd, pass, tmp); - } else { - tmp = neon_load_reg(rd, pass); - tmp2 = tcg_temp_new_i32(); - tcg_gen_shri_i32(tmp2, tmp, 16); - gen_aa32_st16(s, tmp, addr, get_mem_index(s)); - tcg_temp_free_i32(tmp); - tcg_gen_addi_i32(addr, addr, stride); - gen_aa32_st16(s, tmp2, addr, get_mem_index(s)); - tcg_temp_free_i32(tmp2); - tcg_gen_addi_i32(addr, addr, stride); - } - } else /* size == 0 */ { - if (load) { - tmp2 = NULL; - for (n = 0; n < 4; n++) { - tmp = tcg_temp_new_i32(); - gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); - tcg_gen_addi_i32(addr, addr, stride); - if (n == 0) { - tmp2 = tmp; - } else { - tcg_gen_shli_i32(tmp, tmp, n * 8); - tcg_gen_or_i32(tmp2, tmp2, tmp); - tcg_temp_free_i32(tmp); - } - } - neon_store_reg(rd, pass, tmp2); - } else { - tmp2 = neon_load_reg(rd, pass); - for (n = 0; n < 4; n++) { - tmp = tcg_temp_new_i32(); - if (n == 0) { - tcg_gen_mov_i32(tmp, tmp2); - } else { - tcg_gen_shri_i32(tmp, tmp2, n * 8); - } - gen_aa32_st8(s, tmp, addr, get_mem_index(s)); - tcg_temp_free_i32(tmp); - tcg_gen_addi_i32(addr, addr, stride); - } - tcg_temp_free_i32(tmp2); - } + for (n = 0; n < 8 >> size; n++) { + int xs; + for (xs = 0; xs < interleave; xs++) { + int tt = rd + reg + spacing * xs; + + if (load) { + gen_aa32_ld_i64(s, tmp64, addr, mmu_idx, endian | size); + neon_store_element64(tt, n, size, tmp64); + } else { + neon_load_element64(tmp64, tt, n, size); + gen_aa32_st_i64(s, tmp64, addr, mmu_idx, endian | size); } + tcg_gen_add_i32(addr, addr, tmp2); } } - rd += spacing; } tcg_temp_free_i32(addr); - stride = nregs * 8; + tcg_temp_free_i32(tmp2); + tcg_temp_free_i64(tmp64); + stride = nregs * interleave * 8; } else { size = (insn >> 10) & 3; if (size == 3) { -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> For a sequence of loads or stores from a single register, little-endian operations can be promoted to an 8-byte op. This can reduce the number of operations by a factor of 8. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-20-richard.henderson@linaro.org Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) if (size == 3 && (interleave | spacing) != 1) { return 1; } + /* For our purposes, bytes are always little-endian. */ + if (size == 0) { + endian = MO_LE; + } + /* Consecutive little-endian elements from a single register + * can be promoted to a larger little-endian operation. + */ + if (interleave == 1 && endian == MO_LE) { + size = 3; + } tmp64 = tcg_temp_new_i64(); addr = tcg_temp_new_i32(); tmp2 = tcg_const_i32(1 << size); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Instead of shifts and masks, use direct loads and stores from the neon register file. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-21-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/translate.c | 92 +++++++++++++++++++++++------------------- 1 file changed, 50 insertions(+), 42 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -XXX,XX +XXX,XX @@ static TCGv_i32 neon_load_reg(int reg, int pass) return tmp; } +static void neon_load_element(TCGv_i32 var, int reg, int ele, TCGMemOp mop) +{ + long offset = neon_element_offset(reg, ele, mop & MO_SIZE); + + switch (mop) { + case MO_UB: + tcg_gen_ld8u_i32(var, cpu_env, offset); + break; + case MO_UW: + tcg_gen_ld16u_i32(var, cpu_env, offset); + break; + case MO_UL: + tcg_gen_ld_i32(var, cpu_env, offset); + break; + default: + g_assert_not_reached(); + } +} + static void neon_load_element64(TCGv_i64 var, int reg, int ele, TCGMemOp mop) { long offset = neon_element_offset(reg, ele, mop & MO_SIZE); @@ -XXX,XX +XXX,XX @@ static void neon_store_reg(int reg, int pass, TCGv_i32 var) tcg_temp_free_i32(var); } +static void neon_store_element(int reg, int ele, TCGMemOp size, TCGv_i32 var) +{ + long offset = neon_element_offset(reg, ele, size); + + switch (size) { + case MO_8: + tcg_gen_st8_i32(var, cpu_env, offset); + break; + case MO_16: + tcg_gen_st16_i32(var, cpu_env, offset); + break; + case MO_32: + tcg_gen_st_i32(var, cpu_env, offset); + break; + default: + g_assert_not_reached(); + } +} + static void neon_store_element64(int reg, int ele, TCGMemOp size, TCGv_i64 var) { long offset = neon_element_offset(reg, ele, size); @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) int stride; int size; int reg; - int pass; int load; - int shift; int n; int vec_size; int mmu_idx; @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) } else { /* Single element. */ int idx = (insn >> 4) & 0xf; - pass = (insn >> 7) & 1; + int reg_idx; switch (size) { case 0: - shift = ((insn >> 5) & 3) * 8; + reg_idx = (insn >> 5) & 7; stride = 1; break; case 1: - shift = ((insn >> 6) & 1) * 16; + reg_idx = (insn >> 6) & 3; stride = (insn & (1 << 5)) ? 2 : 1; break; case 2: - shift = 0; + reg_idx = (insn >> 7) & 1; stride = (insn & (1 << 6)) ? 2 : 1; break; default: @@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) */ return 1; } + tmp = tcg_temp_new_i32(); addr = tcg_temp_new_i32(); load_reg_var(s, addr, rn); for (reg = 0; reg < nregs; reg++) { if (load) { - tmp = tcg_temp_new_i32(); - switch (size) { - case 0: - gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); - break; - case 1: - gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); - break; - case 2: - gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); - break; - default: /* Avoid compiler warnings. */ - abort(); - } - if (size != 2) { - tmp2 = neon_load_reg(rd, pass); - tcg_gen_deposit_i32(tmp, tmp2, tmp, - shift, size ? 16 : 8); - tcg_temp_free_i32(tmp2); - } - neon_store_reg(rd, pass, tmp); + gen_aa32_ld_i32(s, tmp, addr, get_mem_index(s), + s->be_data | size); + neon_store_element(rd, reg_idx, size, tmp); } else { /* Store */ - tmp = neon_load_reg(rd, pass); - if (shift) - tcg_gen_shri_i32(tmp, tmp, shift); - switch (size) { - case 0: - gen_aa32_st8(s, tmp, addr, get_mem_index(s)); - break; - case 1: - gen_aa32_st16(s, tmp, addr, get_mem_index(s)); - break; - case 2: - gen_aa32_st32(s, tmp, addr, get_mem_index(s)); - break; - } - tcg_temp_free_i32(tmp); + neon_load_element(tmp, rd, reg_idx, size); + gen_aa32_st_i32(s, tmp, addr, get_mem_index(s), + s->be_data | size); } rd += stride; tcg_gen_addi_i32(addr, addr, 1 << size); } tcg_temp_free_i32(addr); + tcg_temp_free_i32(tmp); stride = nregs * (1 << size); } } -- 2.19.1 From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com> Announce the availability of the various priority queues. This fixes an issue where guest kernels would miss to configure secondary queues due to inproper feature bits. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 20181017213932.19973-2-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/net/cadence_gem.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index XXXXXXX..XXXXXXX 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -XXX,XX +XXX,XX @@ static void gem_reset(DeviceState *d) int i; CadenceGEMState *s = CADENCE_GEM(d); const uint8_t *a; + uint32_t queues_mask = 0; DB_PRINT("\n"); @@ -XXX,XX +XXX,XX @@ static void gem_reset(DeviceState *d) s->regs[GEM_DESCONF] = 0x02500111; s->regs[GEM_DESCONF2] = 0x2ab13fff; s->regs[GEM_DESCONF5] = 0x002f2045; - s->regs[GEM_DESCONF6] = 0x00000200; + s->regs[GEM_DESCONF6] = 0x0; + + if (s->num_priority_queues > 1) { + queues_mask = MAKE_64BIT_MASK(1, s->num_priority_queues - 1); + s->regs[GEM_DESCONF6] |= queues_mask; + } /* Set MAC address */ a = &s->conf.macaddr.a[0]; -- 2.19.1 From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com> Announce 64bit addressing support. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 20181017213932.19973-3-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/net/cadence_gem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index XXXXXXX..XXXXXXX 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -XXX,XX +XXX,XX @@ #define GEM_DESCONF4 (0x0000028C/4) #define GEM_DESCONF5 (0x00000290/4) #define GEM_DESCONF6 (0x00000294/4) +#define GEM_DESCONF6_64B_MASK (1U << 23) #define GEM_DESCONF7 (0x00000298/4) #define GEM_INT_Q1_STATUS (0x00000400 / 4) @@ -XXX,XX +XXX,XX @@ static void gem_reset(DeviceState *d) s->regs[GEM_DESCONF] = 0x02500111; s->regs[GEM_DESCONF2] = 0x2ab13fff; s->regs[GEM_DESCONF5] = 0x002f2045; - s->regs[GEM_DESCONF6] = 0x0; + s->regs[GEM_DESCONF6] = GEM_DESCONF6_64B_MASK; if (s->num_priority_queues > 1) { queues_mask = MAKE_64BIT_MASK(1, s->num_priority_queues - 1); -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> The EL3 version of this register does not include an ASID, and so the tlb_flush performed by vmsa_ttbr_write is not needed. Reviewed-by: Aaron Lindsay <aaron@os.amperecomputing.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20181019015617.22583-2-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo el3_cp_reginfo[] = { .fieldoffset = offsetof(CPUARMState, cp15.mvbar) }, { .name = "TTBR0_EL3", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 6, .crn = 2, .crm = 0, .opc2 = 0, - .access = PL3_RW, .writefn = vmsa_ttbr_write, .resetvalue = 0, + .access = PL3_RW, .resetvalue = 0, .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el[3]) }, { .name = "TCR_EL3", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 6, .crn = 2, .crm = 0, .opc2 = 2, -- 2.19.1 From: Richard Henderson <richard.henderson@linaro.org> Since QEMU does not implement ASIDs, changes to the ASID must flush the tlb. However, if the ASID does not change there is no reason to flush. In testing a boot of the Ubuntu installer to the first menu, this reduces the number of flushes by 30%, or nearly 600k instances. Reviewed-by: Aaron Lindsay <aaron@os.amperecomputing.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20181019015617.22583-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/helper.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -XXX,XX +XXX,XX @@ static void vmsa_tcr_el1_write(CPUARMState *env, const ARMCPRegInfo *ri, static void vmsa_ttbr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { - /* 64 bit accesses to the TTBRs can change the ASID and so we - * must flush the TLB. - */ - if (cpreg_field_is_64bit(ri)) { + /* If the ASID changes (with a 64-bit write), we must flush the TLB. */ + if (cpreg_field_is_64bit(ri) && + extract64(raw_read(env, ri) ^ value, 48, 16) != 0) { ARMCPU *cpu = arm_env_get_cpu(env); - tlb_flush(CPU(cpu)); } raw_write(env, ri, value); -- 2.19.1 A large arm pullreq, mostly because of 3 series: * aspeed 2600 support * semihosting v2.0 support * transaction-based ptimers thanks -- PMM The following changes since commit 22dbfdecc3c52228d3489da3fe81da92b21197bf: Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20191010.0' into staging (2019-10-14 15:09:08 +0100) are available in the Git repository at: https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20191014 for you to fetch changes up to bca1936f8f66c5f8a111569ffd14969de208bf3b: hw/misc/bcm2835_mbox: Add trace events (2019-10-14 16:48:56 +0100) ---------------------------------------------------------------- target-arm queue: * Add Aspeed AST2600 SoC and board support * aspeed/wdt: Check correct register for clock source * bcm2835: code cleanups, better logging, trace events * implement v2.0 of the Arm semihosting specification * provide new 'transaction-based' ptimer API and use it for the Arm devices that use ptimers * ARM: KVM: support more than 256 CPUs ---------------------------------------------------------------- Amithash Prasad (1): aspeed/wdt: Check correct register for clock source Cédric Le Goater (15): aspeed/timer: Introduce an object class per SoC aspeed/timer: Add support for control register 3 aspeed/timer: Add AST2600 support aspeed/timer: Add support for IRQ status register on the AST2600 aspeed/sdmc: Introduce an object class per SoC watchdog/aspeed: Introduce an object class per SoC aspeed/smc: Introduce segment operations aspeed/smc: Add AST2600 support aspeed/i2c: Introduce an object class per SoC aspeed/i2c: Add AST2600 support aspeed: Introduce an object class per SoC aspeed/soc: Add AST2600 support m25p80: Add support for w25q512jv aspeed: Add an AST2600 eval board aspeed: add support for the Aspeed MII controller of the AST2600 Eddie James (1): hw/sd/aspeed_sdhci: New device Eric Auger (3): linux headers: update against v5.4-rc1 intc/arm_gic: Support IRQ injection for more than 256 vpus ARM: KVM: Check KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 for smp_cpus > 256 Joel Stanley (5): hw: aspeed_scu: Add AST2600 support aspeed/sdmc: Add AST2600 support hw: wdt_aspeed: Add AST2600 support aspeed: Parameterise number of MACs aspeed/soc: Add ASPEED Video stub Peter Maydell (36): ptimer: Rename ptimer_init() to ptimer_init_with_bh() ptimer: Provide new transaction-based API tests/ptimer-test: Switch to transaction-based ptimer API hw/timer/arm_timer.c: Switch to transaction-based ptimer API hw/arm/musicpal.c: Switch to transaction-based ptimer API hw/timer/allwinner-a10-pit.c: Switch to transaction-based ptimer API hw/timer/arm_mptimer.c: Switch to transaction-based ptimer API hw/timer/cmsdk-apb-dualtimer.c: Switch to transaction-based ptimer API hw/timer/cmsdk-apb-timer.c: Switch to transaction-based ptimer API hw/timer/digic-timer.c: Switch to transaction-based ptimer API hw/timer/exynos4210_mct.c: Switch GFRC to transaction-based ptimer API hw/timer/exynos4210_mct.c: Switch LFRC to transaction-based ptimer API hw/timer/exynos4210_mct.c: Switch ltick to transaction-based ptimer API hw/timer/exynos4210_pwm.c: Switch to transaction-based ptimer API hw/timer/exynos4210_rtc.c: Switch 1Hz ptimer to transaction-based API hw/timer/exynos4210_rtc.c: Switch main ptimer to transaction-based API hw/timer/imx_epit.c: Switch to transaction-based ptimer API hw/timer/imx_gpt.c: Switch to transaction-based ptimer API hw/timer/mss-timerc: Switch to transaction-based ptimer API hw/watchdog/cmsdk-apb-watchdog.c: Switch to transaction-based ptimer API hw/net/lan9118.c: Switch to transaction-based ptimer API target/arm/arm-semi: Capture errno in softmmu version of set_swi_errno() target/arm/arm-semi: Always set some kind of errno for failed calls target/arm/arm-semi: Correct comment about gdb syscall races target/arm/arm-semi: Make semihosting code hand out its own file descriptors target/arm/arm-semi: Restrict use of TaskState* target/arm/arm-semi: Use set_swi_errno() in gdbstub callback functions target/arm/arm-semi: Factor out implementation of SYS_CLOSE target/arm/arm-semi: Factor out implementation of SYS_WRITE target/arm/arm-semi: Factor out implementation of SYS_READ target/arm/arm-semi: Factor out implementation of SYS_ISTTY target/arm/arm-semi: Factor out implementation of SYS_SEEK target/arm/arm-semi: Factor out implementation of SYS_FLEN target/arm/arm-semi: Implement support for semihosting feature detection target/arm/arm-semi: Implement SH_EXT_EXIT_EXTENDED extension target/arm/arm-semi: Implement SH_EXT_STDOUT_STDERR extension Philippe Mathieu-Daudé (6): hw/arm/raspi: Use the IEC binary prefix definitions hw/arm/bcm2835_peripherals: Improve logging hw/arm/bcm2835_peripherals: Name various address spaces hw/arm/bcm2835: Rename some definitions hw/arm/bcm2835: Add various unimplemented peripherals hw/misc/bcm2835_mbox: Add trace events Rashmica Gupta (1): hw/gpio: Add in AST2600 specific implementation hw/arm/Makefile.objs | 2 +- hw/sd/Makefile.objs | 1 + include/hw/arm/aspeed.h | 1 + include/hw/arm/aspeed_soc.h | 29 +- include/hw/arm/bcm2835_peripherals.h | 15 + include/hw/arm/raspi_platform.h | 24 +- include/hw/i2c/aspeed_i2c.h | 20 +- include/hw/misc/aspeed_scu.h | 7 +- include/hw/misc/aspeed_sdmc.h | 20 +- include/hw/net/ftgmac100.h | 17 + include/hw/ptimer.h | 83 ++- include/hw/sd/aspeed_sdhci.h | 34 ++ include/hw/ssi/aspeed_smc.h | 4 + include/hw/timer/aspeed_timer.h | 18 + include/hw/timer/mss-timer.h | 1 - include/hw/watchdog/wdt_aspeed.h | 19 +- include/standard-headers/asm-x86/bootparam.h | 2 + include/standard-headers/asm-x86/kvm_para.h | 1 + include/standard-headers/linux/ethtool.h | 24 + include/standard-headers/linux/pci_regs.h | 19 +- include/standard-headers/linux/virtio_fs.h | 19 + include/standard-headers/linux/virtio_ids.h | 2 + include/standard-headers/linux/virtio_iommu.h | 165 ++++++ include/standard-headers/linux/virtio_pmem.h | 6 +- linux-headers/asm-arm/kvm.h | 16 +- linux-headers/asm-arm/unistd-common.h | 2 + linux-headers/asm-arm64/kvm.h | 21 +- linux-headers/asm-generic/mman-common.h | 18 +- linux-headers/asm-generic/mman.h | 10 +- linux-headers/asm-generic/unistd.h | 10 +- linux-headers/asm-mips/mman.h | 3 + linux-headers/asm-mips/unistd_n32.h | 1 + linux-headers/asm-mips/unistd_n64.h | 1 + linux-headers/asm-mips/unistd_o32.h | 1 + linux-headers/asm-powerpc/mman.h | 6 +- linux-headers/asm-powerpc/unistd_32.h | 2 + linux-headers/asm-powerpc/unistd_64.h | 2 + linux-headers/asm-s390/kvm.h | 6 + linux-headers/asm-s390/unistd_32.h | 2 + linux-headers/asm-s390/unistd_64.h | 2 + linux-headers/asm-x86/kvm.h | 28 +- linux-headers/asm-x86/unistd.h | 2 +- linux-headers/asm-x86/unistd_32.h | 2 + linux-headers/asm-x86/unistd_64.h | 2 + linux-headers/asm-x86/unistd_x32.h | 2 + linux-headers/linux/kvm.h | 12 +- linux-headers/linux/psp-sev.h | 5 +- linux-headers/linux/vfio.h | 71 ++- target/arm/kvm_arm.h | 1 + hw/arm/aspeed.c | 42 +- hw/arm/aspeed_ast2600.c | 523 +++++++++++++++++++ hw/arm/aspeed_soc.c | 199 +++++--- hw/arm/bcm2835_peripherals.c | 38 +- hw/arm/bcm2836.c | 2 +- hw/arm/musicpal.c | 16 +- hw/arm/raspi.c | 4 +- hw/block/m25p80.c | 1 + hw/char/bcm2835_aux.c | 5 +- hw/core/ptimer.c | 154 +++++- hw/display/bcm2835_fb.c | 2 +- hw/dma/bcm2835_dma.c | 10 +- hw/dma/xilinx_axidma.c | 2 +- hw/gpio/aspeed_gpio.c | 142 +++++- hw/i2c/aspeed_i2c.c | 106 +++- hw/intc/arm_gic_kvm.c | 7 +- hw/intc/bcm2836_control.c | 7 +- hw/m68k/mcf5206.c | 2 +- hw/m68k/mcf5208.c | 2 +- hw/misc/aspeed_scu.c | 194 ++++++- hw/misc/aspeed_sdmc.c | 250 ++++++--- hw/misc/bcm2835_mbox.c | 14 +- hw/misc/bcm2835_property.c | 20 +- hw/net/fsl_etsec/etsec.c | 2 +- hw/net/ftgmac100.c | 162 ++++++ hw/net/lan9118.c | 11 +- hw/sd/aspeed_sdhci.c | 198 ++++++++ hw/ssi/aspeed_smc.c | 177 ++++++- hw/timer/allwinner-a10-pit.c | 12 +- hw/timer/altera_timer.c | 2 +- hw/timer/arm_mptimer.c | 18 +- hw/timer/arm_timer.c | 16 +- hw/timer/aspeed_timer.c | 213 +++++++- hw/timer/cmsdk-apb-dualtimer.c | 14 +- hw/timer/cmsdk-apb-timer.c | 15 +- hw/timer/digic-timer.c | 16 +- hw/timer/etraxfs_timer.c | 6 +- hw/timer/exynos4210_mct.c | 107 +++- hw/timer/exynos4210_pwm.c | 17 +- hw/timer/exynos4210_rtc.c | 22 +- hw/timer/grlib_gptimer.c | 2 +- hw/timer/imx_epit.c | 32 +- hw/timer/imx_gpt.c | 21 +- hw/timer/lm32_timer.c | 2 +- hw/timer/milkymist-sysctl.c | 4 +- hw/timer/mss-timer.c | 11 +- hw/timer/puv3_ost.c | 2 +- hw/timer/sh_timer.c | 2 +- hw/timer/slavio_timer.c | 2 +- hw/timer/xilinx_timer.c | 2 +- hw/watchdog/cmsdk-apb-watchdog.c | 13 +- hw/watchdog/wdt_aspeed.c | 153 +++--- target/arm/arm-semi.c | 707 +++++++++++++++++++++----- target/arm/cpu.c | 10 +- target/arm/kvm.c | 22 +- tests/ptimer-test.c | 106 +++- hw/misc/trace-events | 6 + 106 files changed, 3958 insertions(+), 650 deletions(-) create mode 100644 include/hw/sd/aspeed_sdhci.h create mode 100644 include/standard-headers/linux/virtio_fs.h create mode 100644 include/standard-headers/linux/virtio_iommu.h create mode 100644 hw/arm/aspeed_ast2600.c create mode 100644 hw/sd/aspeed_sdhci.c From: Eric Auger <eric.auger@redhat.com> Update the headers against commit: 0f1a7b3fac05 ("timer-of: don't use conditional expression with mixed 'void' types") Signed-off-by: Eric Auger <eric.auger@redhat.com> Acked-by: Marc Zyngier <maz@kernel.org> Message-id: 20191003154640.22451-2-eric.auger@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/standard-headers/asm-x86/bootparam.h | 2 + include/standard-headers/asm-x86/kvm_para.h | 1 + include/standard-headers/linux/ethtool.h | 24 +++ include/standard-headers/linux/pci_regs.h | 19 +- include/standard-headers/linux/virtio_fs.h | 19 ++ include/standard-headers/linux/virtio_ids.h | 2 + include/standard-headers/linux/virtio_iommu.h | 165 ++++++++++++++++++ include/standard-headers/linux/virtio_pmem.h | 6 +- linux-headers/asm-arm/kvm.h | 16 +- linux-headers/asm-arm/unistd-common.h | 2 + linux-headers/asm-arm64/kvm.h | 21 ++- linux-headers/asm-generic/mman-common.h | 18 +- linux-headers/asm-generic/mman.h | 10 +- linux-headers/asm-generic/unistd.h | 10 +- linux-headers/asm-mips/mman.h | 3 + linux-headers/asm-mips/unistd_n32.h | 1 + linux-headers/asm-mips/unistd_n64.h | 1 + linux-headers/asm-mips/unistd_o32.h | 1 + linux-headers/asm-powerpc/mman.h | 6 +- linux-headers/asm-powerpc/unistd_32.h | 2 + linux-headers/asm-powerpc/unistd_64.h | 2 + linux-headers/asm-s390/kvm.h | 6 + linux-headers/asm-s390/unistd_32.h | 2 + linux-headers/asm-s390/unistd_64.h | 2 + linux-headers/asm-x86/kvm.h | 28 ++- linux-headers/asm-x86/unistd.h | 2 +- linux-headers/asm-x86/unistd_32.h | 2 + linux-headers/asm-x86/unistd_64.h | 2 + linux-headers/asm-x86/unistd_x32.h | 2 + linux-headers/linux/kvm.h | 12 +- linux-headers/linux/psp-sev.h | 5 +- linux-headers/linux/vfio.h | 71 +++++--- 32 files changed, 406 insertions(+), 59 deletions(-) create mode 100644 include/standard-headers/linux/virtio_fs.h create mode 100644 include/standard-headers/linux/virtio_iommu.h diff --git a/include/standard-headers/asm-x86/bootparam.h b/include/standard-headers/asm-x86/bootparam.h index XXXXXXX..XXXXXXX 100644 --- a/include/standard-headers/asm-x86/bootparam.h +++ b/include/standard-headers/asm-x86/bootparam.h @@ -XXX,XX +XXX,XX @@ #define XLF_EFI_HANDOVER_32 (1<<2) #define XLF_EFI_HANDOVER_64 (1<<3) #define XLF_EFI_KEXEC (1<<4) +#define XLF_5LEVEL (1<<5) +#define XLF_5LEVEL_ENABLED (1<<6) #endif /* _ASM_X86_BOOTPARAM_H */ diff --git a/include/standard-headers/asm-x86/kvm_para.h b/include/standard-headers/asm-x86/kvm_para.h index XXXXXXX..XXXXXXX 100644 --- a/include/standard-headers/asm-x86/kvm_para.h +++ b/include/standard-headers/asm-x86/kvm_para.h @@ -XXX,XX +XXX,XX @@ #define KVM_FEATURE_ASYNC_PF_VMEXIT 10 #define KVM_FEATURE_PV_SEND_IPI 11 #define KVM_FEATURE_POLL_CONTROL 12 +#define KVM_FEATURE_PV_SCHED_YIELD 13 #define KVM_HINTS_REALTIME 0 diff --git a/include/standard-headers/linux/ethtool.h b/include/standard-headers/linux/ethtool.h index XXXXXXX..XXXXXXX 100644 --- a/include/standard-headers/linux/ethtool.h +++ b/include/standard-headers/linux/ethtool.h @@ -XXX,XX +XXX,XX @@ struct ethtool_tunable { #define ETHTOOL_PHY_FAST_LINK_DOWN_ON 0 #define ETHTOOL_PHY_FAST_LINK_DOWN_OFF 0xff +/* Energy Detect Power Down (EDPD) is a feature supported by some PHYs, where + * the PHY's RX & TX blocks are put into a low-power mode when there is no + * link detected (typically cable is un-plugged). For RX, only a minimal + * link-detection is available, and for TX the PHY wakes up to send link pulses + * to avoid any lock-ups in case the peer PHY may also be running in EDPD mode. + * + * Some PHYs may support configuration of the wake-up interval for TX pulses, + * and some PHYs may support only disabling TX pulses entirely. For the latter + * a special value is required (ETHTOOL_PHY_EDPD_NO_TX) so that this can be + * configured from userspace (should the user want it). + * + * The interval units for TX wake-up are in milliseconds, since this should + * cover a reasonable range of intervals: + * - from 1 millisecond, which does not sound like much of a power-saver + * - to ~65 seconds which is quite a lot to wait for a link to come up when + * plugging a cable + */ +#define ETHTOOL_PHY_EDPD_DFLT_TX_MSECS 0xffff +#define ETHTOOL_PHY_EDPD_NO_TX 0xfffe +#define ETHTOOL_PHY_EDPD_DISABLE 0 + enum phy_tunable_id { ETHTOOL_PHY_ID_UNSPEC, ETHTOOL_PHY_DOWNSHIFT, ETHTOOL_PHY_FAST_LINK_DOWN, + ETHTOOL_PHY_EDPD, /* * Add your fresh new phy tunable attribute above and remember to update * phy_tunable_strings[] in net/core/ethtool.c @@ -XXX,XX +XXX,XX @@ enum ethtool_link_mode_bit_indices { ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT = 64, ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT = 65, ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT = 66, + ETHTOOL_LINK_MODE_100baseT1_Full_BIT = 67, + ETHTOOL_LINK_MODE_1000baseT1_Full_BIT = 68, /* must be last entry */ __ETHTOOL_LINK_MODE_MASK_NBITS diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h index XXXXXXX..XXXXXXX 100644 --- a/include/standard-headers/linux/pci_regs.h +++ b/include/standard-headers/linux/pci_regs.h @@ -XXX,XX +XXX,XX @@ #define PCI_EXP_LNKCAP_SLS_5_0GB 0x00000002 /* LNKCAP2 SLS Vector bit 1 */ #define PCI_EXP_LNKCAP_SLS_8_0GB 0x00000003 /* LNKCAP2 SLS Vector bit 2 */ #define PCI_EXP_LNKCAP_SLS_16_0GB 0x00000004 /* LNKCAP2 SLS Vector bit 3 */ +#define PCI_EXP_LNKCAP_SLS_32_0GB 0x00000005 /* LNKCAP2 SLS Vector bit 4 */ #define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */ #define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */ #define PCI_EXP_LNKCAP_L0SEL 0x00007000 /* L0s Exit Latency */ @@ -XXX,XX +XXX,XX @@ #define PCI_EXP_LNKSTA_CLS_5_0GB 0x0002 /* Current Link Speed 5.0GT/s */ #define PCI_EXP_LNKSTA_CLS_8_0GB 0x0003 /* Current Link Speed 8.0GT/s */ #define PCI_EXP_LNKSTA_CLS_16_0GB 0x0004 /* Current Link Speed 16.0GT/s */ +#define PCI_EXP_LNKSTA_CLS_32_0GB 0x0005 /* Current Link Speed 32.0GT/s */ #define PCI_EXP_LNKSTA_NLW 0x03f0 /* Negotiated Link Width */ #define PCI_EXP_LNKSTA_NLW_X1 0x0010 /* Current Link Width x1 */ #define PCI_EXP_LNKSTA_NLW_X2 0x0020 /* Current Link Width x2 */ @@ -XXX,XX +XXX,XX @@ #define PCI_EXP_SLTCTL_CCIE 0x0010 /* Command Completed Interrupt Enable */ #define PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */ #define PCI_EXP_SLTCTL_AIC 0x00c0 /* Attention Indicator Control */ +#define PCI_EXP_SLTCTL_ATTN_IND_SHIFT 6 /* Attention Indicator shift */ #define PCI_EXP_SLTCTL_ATTN_IND_ON 0x0040 /* Attention Indicator on */ #define PCI_EXP_SLTCTL_ATTN_IND_BLINK 0x0080 /* Attention Indicator blinking */ #define PCI_EXP_SLTCTL_ATTN_IND_OFF 0x00c0 /* Attention Indicator off */ @@ -XXX,XX +XXX,XX @@ #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x00000004 /* Supported Speed 5GT/s */ #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x00000008 /* Supported Speed 8GT/s */ #define PCI_EXP_LNKCAP2_SLS_16_0GB 0x00000010 /* Supported Speed 16GT/s */ +#define PCI_EXP_LNKCAP2_SLS_32_0GB 0x00000020 /* Supported Speed 32GT/s */ #define PCI_EXP_LNKCAP2_CROSSLINK 0x00000100 /* Crosslink supported */ #define PCI_EXP_LNKCTL2 48 /* Link Control 2 */ #define PCI_EXP_LNKCTL2_TLS 0x000f @@ -XXX,XX +XXX,XX @@ #define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */ #define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */ #define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */ +#define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */ #define PCI_EXP_LNKSTA2 50 /* Link Status 2 */ #define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 52 /* v2 endpoints with link end here */ #define PCI_EXP_SLTCAP2 52 /* Slot Capabilities 2 */ @@ -XXX,XX +XXX,XX @@ #define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */ #define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */ #define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */ -#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PTM +#define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */ +#define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */ +#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL_16GT #define PCI_EXT_CAP_DSN_SIZEOF 12 #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 @@ -XXX,XX +XXX,XX @@ #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */ #define PCI_L1SS_CTL2 0x0c /* Control 2 Register */ +/* Data Link Feature */ +#define PCI_DLF_CAP 0x04 /* Capabilities Register */ +#define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */ + +/* Physical Layer 16.0 GT/s */ +#define PCI_PL_16GT_LE_CTRL 0x20 /* Lane Equalization Control Register */ +#define PCI_PL_16GT_LE_CTRL_DSP_TX_PRESET_MASK 0x0000000F +#define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_MASK 0x000000F0 +#define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_SHIFT 4 + #endif /* LINUX_PCI_REGS_H */ diff --git a/include/standard-headers/linux/virtio_fs.h b/include/standard-headers/linux/virtio_fs.h new file mode 100644 index XXXXXXX..XXXXXXX --- /dev/null +++ b/include/standard-headers/linux/virtio_fs.h @@ -XXX,XX +XXX,XX @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ + +#ifndef _LINUX_VIRTIO_FS_H +#define _LINUX_VIRTIO_FS_H + +#include "standard-headers/linux/types.h" +#include "standard-headers/linux/virtio_ids.h" +#include "standard-headers/linux/virtio_config.h" +#include "standard-headers/linux/virtio_types.h" + +struct virtio_fs_config { + /* Filesystem name (UTF-8, not NUL-terminated, padded with NULs) */ + uint8_t tag[36]; + + /* Number of request queues */ + uint32_t num_request_queues; +} QEMU_PACKED; + +#endif /* _LINUX_VIRTIO_FS_H */ diff --git a/include/standard-headers/linux/virtio_ids.h b/include/standard-headers/linux/virtio_ids.h index XXXXXXX..XXXXXXX 100644 --- a/include/standard-headers/linux/virtio_ids.h +++ b/include/standard-headers/linux/virtio_ids.h @@ -XXX,XX +XXX,XX @@ #define VIRTIO_ID_INPUT 18 /* virtio input */ #define VIRTIO_ID_VSOCK 19 /* virtio vsock transport */ #define VIRTIO_ID_CRYPTO 20 /* virtio crypto */ +#define VIRTIO_ID_IOMMU 23 /* virtio IOMMU */ +#define VIRTIO_ID_FS 26 /* virtio filesystem */ #define VIRTIO_ID_PMEM 27 /* virtio pmem */ #endif /* _LINUX_VIRTIO_IDS_H */ diff --git a/include/standard-headers/linux/virtio_iommu.h b/include/standard-headers/linux/virtio_iommu.h new file mode 100644 index XXXXXXX..XXXXXXX --- /dev/null +++ b/include/standard-headers/linux/virtio_iommu.h @@ -XXX,XX +XXX,XX @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* + * Virtio-iommu definition v0.12 + * + * Copyright (C) 2019 Arm Ltd. + */ +#ifndef _LINUX_VIRTIO_IOMMU_H +#define _LINUX_VIRTIO_IOMMU_H + +#include "standard-headers/linux/types.h" + +/* Feature bits */ +#define VIRTIO_IOMMU_F_INPUT_RANGE 0 +#define VIRTIO_IOMMU_F_DOMAIN_RANGE 1 +#define VIRTIO_IOMMU_F_MAP_UNMAP 2 +#define VIRTIO_IOMMU_F_BYPASS 3 +#define VIRTIO_IOMMU_F_PROBE 4 +#define VIRTIO_IOMMU_F_MMIO 5 + +struct virtio_iommu_range_64 { + uint64_t start; + uint64_t end; +}; + +struct virtio_iommu_range_32 { + uint32_t start; + uint32_t end; +}; + +struct virtio_iommu_config { + /* Supported page sizes */ + uint64_t page_size_mask; + /* Supported IOVA range */ + struct virtio_iommu_range_64 input_range; + /* Max domain ID size */ + struct virtio_iommu_range_32 domain_range; + /* Probe buffer size */ + uint32_t probe_size; +}; + +/* Request types */ +#define VIRTIO_IOMMU_T_ATTACH 0x01 +#define VIRTIO_IOMMU_T_DETACH 0x02 +#define VIRTIO_IOMMU_T_MAP 0x03 +#define VIRTIO_IOMMU_T_UNMAP 0x04 +#define VIRTIO_IOMMU_T_PROBE 0x05 + +/* Status types */ +#define VIRTIO_IOMMU_S_OK 0x00 +#define VIRTIO_IOMMU_S_IOERR 0x01 +#define VIRTIO_IOMMU_S_UNSUPP 0x02 +#define VIRTIO_IOMMU_S_DEVERR 0x03 +#define VIRTIO_IOMMU_S_INVAL 0x04 +#define VIRTIO_IOMMU_S_RANGE 0x05 +#define VIRTIO_IOMMU_S_NOENT 0x06 +#define VIRTIO_IOMMU_S_FAULT 0x07 +#define VIRTIO_IOMMU_S_NOMEM 0x08 + +struct virtio_iommu_req_head { + uint8_t type; + uint8_t reserved[3]; +}; + +struct virtio_iommu_req_tail { + uint8_t status; + uint8_t reserved[3]; +}; + +struct virtio_iommu_req_attach { + struct virtio_iommu_req_head head; + uint32_t domain; + uint32_t endpoint; + uint8_t reserved[8]; + struct virtio_iommu_req_tail tail; +}; + +struct virtio_iommu_req_detach { + struct virtio_iommu_req_head head; + uint32_t domain; + uint32_t endpoint; + uint8_t reserved[8]; + struct virtio_iommu_req_tail tail; +}; + +#define VIRTIO_IOMMU_MAP_F_READ (1 << 0) +#define VIRTIO_IOMMU_MAP_F_WRITE (1 << 1) +#define VIRTIO_IOMMU_MAP_F_MMIO (1 << 2) + +#define VIRTIO_IOMMU_MAP_F_MASK (VIRTIO_IOMMU_MAP_F_READ | \ + VIRTIO_IOMMU_MAP_F_WRITE | \ + VIRTIO_IOMMU_MAP_F_MMIO) + +struct virtio_iommu_req_map { + struct virtio_iommu_req_head head; + uint32_t domain; + uint64_t virt_start; + uint64_t virt_end; + uint64_t phys_start; + uint32_t flags; + struct virtio_iommu_req_tail tail; +}; + +struct virtio_iommu_req_unmap { + struct virtio_iommu_req_head head; + uint32_t domain; + uint64_t virt_start; + uint64_t virt_end; + uint8_t reserved[4]; + struct virtio_iommu_req_tail tail; +}; + +#define VIRTIO_IOMMU_PROBE_T_NONE 0 +#define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 + +#define VIRTIO_IOMMU_PROBE_T_MASK 0xfff + +struct virtio_iommu_probe_property { + uint16_t type; + uint16_t length; +}; + +#define VIRTIO_IOMMU_RESV_MEM_T_RESERVED 0 +#define VIRTIO_IOMMU_RESV_MEM_T_MSI 1 + +struct virtio_iommu_probe_resv_mem { + struct virtio_iommu_probe_property head; + uint8_t subtype; + uint8_t reserved[3]; + uint64_t start; + uint64_t end; +}; + +struct virtio_iommu_req_probe { + struct virtio_iommu_req_head head; + uint32_t endpoint; + uint8_t reserved[64]; + + uint8_t properties[]; + + /* + * Tail follows the variable-length properties array. No padding, + * property lengths are all aligned on 8 bytes. + */ +}; + +/* Fault types */ +#define VIRTIO_IOMMU_FAULT_R_UNKNOWN 0 +#define VIRTIO_IOMMU_FAULT_R_DOMAIN 1 +#define VIRTIO_IOMMU_FAULT_R_MAPPING 2 + +#define VIRTIO_IOMMU_FAULT_F_READ (1 << 0) +#define VIRTIO_IOMMU_FAULT_F_WRITE (1 << 1) +#define VIRTIO_IOMMU_FAULT_F_EXEC (1 << 2) +#define VIRTIO_IOMMU_FAULT_F_ADDRESS (1 << 8) + +struct virtio_iommu_fault { + uint8_t reason; + uint8_t reserved[3]; + uint32_t flags; + uint32_t endpoint; + uint8_t reserved2[4]; + uint64_t address; +}; + +#endif diff --git a/include/standard-headers/linux/virtio_pmem.h b/include/standard-headers/linux/virtio_pmem.h index XXXXXXX..XXXXXXX 100644 --- a/include/standard-headers/linux/virtio_pmem.h +++ b/include/standard-headers/linux/virtio_pmem.h @@ -XXX,XX +XXX,XX @@ -/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */ /* * Definitions for virtio-pmem devices. * @@ -XXX,XX +XXX,XX @@ * Author(s): Pankaj Gupta <pagupta@redhat.com> */ -#ifndef _UAPI_LINUX_VIRTIO_PMEM_H -#define _UAPI_LINUX_VIRTIO_PMEM_H +#ifndef _LINUX_VIRTIO_PMEM_H +#define _LINUX_VIRTIO_PMEM_H #include "standard-headers/linux/types.h" #include "standard-headers/linux/virtio_ids.h" diff --git a/linux-headers/asm-arm/kvm.h b/linux-headers/asm-arm/kvm.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-arm/kvm.h +++ b/linux-headers/asm-arm/kvm.h @@ -XXX,XX +XXX,XX @@ struct kvm_vcpu_events { #define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM | KVM_REG_SIZE_U64 | \ KVM_REG_ARM_FW | ((r) & 0xffff)) #define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1) + /* Higher values mean better protection. */ +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2) + /* Higher values mean better protection. */ +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4) /* Device Control API: ARM VGIC */ #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 @@ -XXX,XX +XXX,XX @@ struct kvm_vcpu_events { #define KVM_DEV_ARM_ITS_CTRL_RESET 4 /* KVM_IRQ_LINE irq field index values */ +#define KVM_ARM_IRQ_VCPU2_SHIFT 28 +#define KVM_ARM_IRQ_VCPU2_MASK 0xf #define KVM_ARM_IRQ_TYPE_SHIFT 24 -#define KVM_ARM_IRQ_TYPE_MASK 0xff +#define KVM_ARM_IRQ_TYPE_MASK 0xf #define KVM_ARM_IRQ_VCPU_SHIFT 16 #define KVM_ARM_IRQ_VCPU_MASK 0xff #define KVM_ARM_IRQ_NUM_SHIFT 0 diff --git a/linux-headers/asm-arm/unistd-common.h b/linux-headers/asm-arm/unistd-common.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-arm/unistd-common.h +++ b/linux-headers/asm-arm/unistd-common.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig (__NR_SYSCALL_BASE + 431) #define __NR_fsmount (__NR_SYSCALL_BASE + 432) #define __NR_fspick (__NR_SYSCALL_BASE + 433) +#define __NR_pidfd_open (__NR_SYSCALL_BASE + 434) +#define __NR_clone3 (__NR_SYSCALL_BASE + 435) #endif /* _ASM_ARM_UNISTD_COMMON_H */ diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-arm64/kvm.h +++ b/linux-headers/asm-arm64/kvm.h @@ -XXX,XX +XXX,XX @@ struct kvm_vcpu_events { #define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ KVM_REG_ARM_FW | ((r) & 0xffff)) #define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1) +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2) +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3 +#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4) /* SVE registers */ #define KVM_REG_ARM64_SVE (0x15 << KVM_REG_ARM_COPROC_SHIFT) @@ -XXX,XX +XXX,XX @@ struct kvm_vcpu_events { KVM_REG_SIZE_U256 | \ ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) +/* + * Register values for KVM_REG_ARM64_SVE_ZREG(), KVM_REG_ARM64_SVE_PREG() and + * KVM_REG_ARM64_SVE_FFR() are represented in memory in an endianness- + * invariant layout which differs from the layout used for the FPSIMD + * V-registers on big-endian systems: see sigcontext.h for more explanation. + */ + #define KVM_ARM64_SVE_VQ_MIN __SVE_VQ_MIN #define KVM_ARM64_SVE_VQ_MAX __SVE_VQ_MAX @@ -XXX,XX +XXX,XX @@ struct kvm_vcpu_events { #define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1 /* KVM_IRQ_LINE irq field index values */ +#define KVM_ARM_IRQ_VCPU2_SHIFT 28 +#define KVM_ARM_IRQ_VCPU2_MASK 0xf #define KVM_ARM_IRQ_TYPE_SHIFT 24 -#define KVM_ARM_IRQ_TYPE_MASK 0xff +#define KVM_ARM_IRQ_TYPE_MASK 0xf #define KVM_ARM_IRQ_VCPU_SHIFT 16 #define KVM_ARM_IRQ_VCPU_MASK 0xff #define KVM_ARM_IRQ_NUM_SHIFT 0 diff --git a/linux-headers/asm-generic/mman-common.h b/linux-headers/asm-generic/mman-common.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-generic/mman-common.h +++ b/linux-headers/asm-generic/mman-common.h @@ -XXX,XX +XXX,XX @@ #define MAP_TYPE 0x0f /* Mask for type of mapping */ #define MAP_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ -#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED -# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be uninitialized */ -#else -# define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ -#endif -/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */ +/* 0x0100 - 0x4000 flags are defined in asm-generic/mman.h */ +#define MAP_POPULATE 0x008000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x010000 /* do not block on IO */ +#define MAP_STACK 0x020000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x040000 /* create a huge page mapping */ +#define MAP_SYNC 0x080000 /* perform synchronous page faults for the mapping */ #define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ +#define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be + * uninitialized */ + /* * Flags for mlock */ @@ -XXX,XX +XXX,XX @@ #define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */ #define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */ +#define MADV_COLD 20 /* deactivate these pages */ +#define MADV_PAGEOUT 21 /* reclaim these pages */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/linux-headers/asm-generic/mman.h b/linux-headers/asm-generic/mman.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-generic/mman.h +++ b/linux-headers/asm-generic/mman.h @@ -XXX,XX +XXX,XX @@ #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ #define MAP_LOCKED 0x2000 /* pages are locked */ #define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ -#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ -#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ -#define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */ -/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */ +/* + * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h + * for MAP_HUGETLB usage + */ #define MCL_CURRENT 1 /* lock all current mappings */ #define MCL_FUTURE 2 /* lock all future mappings */ diff --git a/linux-headers/asm-generic/unistd.h b/linux-headers/asm-generic/unistd.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-generic/unistd.h +++ b/linux-headers/asm-generic/unistd.h @@ -XXX,XX +XXX,XX @@ __SYSCALL(__NR_semget, sys_semget) __SC_COMP(__NR_semctl, sys_semctl, compat_sys_semctl) #if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32 #define __NR_semtimedop 192 -__SC_COMP(__NR_semtimedop, sys_semtimedop, sys_semtimedop_time32) +__SC_3264(__NR_semtimedop, sys_semtimedop_time32, sys_semtimedop) #endif #define __NR_semop 193 __SYSCALL(__NR_semop, sys_semop) @@ -XXX,XX +XXX,XX @@ __SYSCALL(__NR_fsconfig, sys_fsconfig) __SYSCALL(__NR_fsmount, sys_fsmount) #define __NR_fspick 433 __SYSCALL(__NR_fspick, sys_fspick) +#define __NR_pidfd_open 434 +__SYSCALL(__NR_pidfd_open, sys_pidfd_open) +#ifdef __ARCH_WANT_SYS_CLONE3 +#define __NR_clone3 435 +__SYSCALL(__NR_clone3, sys_clone3) +#endif #undef __NR_syscalls -#define __NR_syscalls 434 +#define __NR_syscalls 436 /* * 32 bit systems traditionally used different diff --git a/linux-headers/asm-mips/mman.h b/linux-headers/asm-mips/mman.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-mips/mman.h +++ b/linux-headers/asm-mips/mman.h @@ -XXX,XX +XXX,XX @@ #define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */ #define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */ +#define MADV_COLD 20 /* deactivate these pages */ +#define MADV_PAGEOUT 21 /* reclaim these pages */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/linux-headers/asm-mips/unistd_n32.h b/linux-headers/asm-mips/unistd_n32.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-mips/unistd_n32.h +++ b/linux-headers/asm-mips/unistd_n32.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig (__NR_Linux + 431) #define __NR_fsmount (__NR_Linux + 432) #define __NR_fspick (__NR_Linux + 433) +#define __NR_pidfd_open (__NR_Linux + 434) #endif /* _ASM_MIPS_UNISTD_N32_H */ diff --git a/linux-headers/asm-mips/unistd_n64.h b/linux-headers/asm-mips/unistd_n64.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-mips/unistd_n64.h +++ b/linux-headers/asm-mips/unistd_n64.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig (__NR_Linux + 431) #define __NR_fsmount (__NR_Linux + 432) #define __NR_fspick (__NR_Linux + 433) +#define __NR_pidfd_open (__NR_Linux + 434) #endif /* _ASM_MIPS_UNISTD_N64_H */ diff --git a/linux-headers/asm-mips/unistd_o32.h b/linux-headers/asm-mips/unistd_o32.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-mips/unistd_o32.h +++ b/linux-headers/asm-mips/unistd_o32.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig (__NR_Linux + 431) #define __NR_fsmount (__NR_Linux + 432) #define __NR_fspick (__NR_Linux + 433) +#define __NR_pidfd_open (__NR_Linux + 434) #endif /* _ASM_MIPS_UNISTD_O32_H */ diff --git a/linux-headers/asm-powerpc/mman.h b/linux-headers/asm-powerpc/mman.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-powerpc/mman.h +++ b/linux-headers/asm-powerpc/mman.h @@ -XXX,XX +XXX,XX @@ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ + #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ #define MCL_FUTURE 0x4000 /* lock all additions to address space */ #define MCL_ONFAULT 0x8000 /* lock all pages that are faulted in */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ -#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ -#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ - /* Override any generic PKEY permission defines */ #define PKEY_DISABLE_EXECUTE 0x4 #undef PKEY_ACCESS_MASK diff --git a/linux-headers/asm-powerpc/unistd_32.h b/linux-headers/asm-powerpc/unistd_32.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-powerpc/unistd_32.h +++ b/linux-headers/asm-powerpc/unistd_32.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig 431 #define __NR_fsmount 432 #define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 #endif /* _ASM_POWERPC_UNISTD_32_H */ diff --git a/linux-headers/asm-powerpc/unistd_64.h b/linux-headers/asm-powerpc/unistd_64.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-powerpc/unistd_64.h +++ b/linux-headers/asm-powerpc/unistd_64.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig 431 #define __NR_fsmount 432 #define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 #endif /* _ASM_POWERPC_UNISTD_64_H */ diff --git a/linux-headers/asm-s390/kvm.h b/linux-headers/asm-s390/kvm.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-s390/kvm.h +++ b/linux-headers/asm-s390/kvm.h @@ -XXX,XX +XXX,XX @@ struct kvm_guest_debug_arch { #define KVM_SYNC_GSCB (1UL << 9) #define KVM_SYNC_BPBC (1UL << 10) #define KVM_SYNC_ETOKEN (1UL << 11) + +#define KVM_SYNC_S390_VALID_FIELDS \ + (KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \ + KVM_SYNC_ARCH0 | KVM_SYNC_PFAULT | KVM_SYNC_VRS | KVM_SYNC_RICCB | \ + KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN) + /* length and alignment of the sdnx as a power of two */ #define SDNXC 8 #define SDNXL (1UL << SDNXC) diff --git a/linux-headers/asm-s390/unistd_32.h b/linux-headers/asm-s390/unistd_32.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-s390/unistd_32.h +++ b/linux-headers/asm-s390/unistd_32.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig 431 #define __NR_fsmount 432 #define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 #endif /* _ASM_S390_UNISTD_32_H */ diff --git a/linux-headers/asm-s390/unistd_64.h b/linux-headers/asm-s390/unistd_64.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-s390/unistd_64.h +++ b/linux-headers/asm-s390/unistd_64.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig 431 #define __NR_fsmount 432 #define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 #endif /* _ASM_S390_UNISTD_64_H */ diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-x86/kvm.h +++ b/linux-headers/asm-x86/kvm.h @@ -XXX,XX +XXX,XX @@ struct kvm_sync_regs { struct kvm_vcpu_events events; }; -#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) -#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) -#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) -#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) +#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) +#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) +#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) #define KVM_STATE_NESTED_FORMAT_VMX 0 -#define KVM_STATE_NESTED_FORMAT_SVM 1 +#define KVM_STATE_NESTED_FORMAT_SVM 1 /* unused */ #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 #define KVM_STATE_NESTED_EVMCS 0x00000004 -#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 - #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 +#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 + struct kvm_vmx_nested_state_data { __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; @@ -XXX,XX +XXX,XX @@ struct kvm_nested_state { } data; }; +/* for KVM_CAP_PMU_EVENT_FILTER */ +struct kvm_pmu_event_filter { + __u32 action; + __u32 nevents; + __u32 fixed_counter_bitmap; + __u32 flags; + __u32 pad[4]; + __u64 events[0]; +}; + +#define KVM_PMU_EVENT_ALLOW 0 +#define KVM_PMU_EVENT_DENY 1 + #endif /* _ASM_X86_KVM_H */ diff --git a/linux-headers/asm-x86/unistd.h b/linux-headers/asm-x86/unistd.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-x86/unistd.h +++ b/linux-headers/asm-x86/unistd.h @@ -XXX,XX +XXX,XX @@ #define _ASM_X86_UNISTD_H /* x32 syscall flag bit */ -#define __X32_SYSCALL_BIT 0x40000000 +#define __X32_SYSCALL_BIT 0x40000000UL # ifdef __i386__ # include <asm/unistd_32.h> diff --git a/linux-headers/asm-x86/unistd_32.h b/linux-headers/asm-x86/unistd_32.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-x86/unistd_32.h +++ b/linux-headers/asm-x86/unistd_32.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig 431 #define __NR_fsmount 432 #define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 #endif /* _ASM_X86_UNISTD_32_H */ diff --git a/linux-headers/asm-x86/unistd_64.h b/linux-headers/asm-x86/unistd_64.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-x86/unistd_64.h +++ b/linux-headers/asm-x86/unistd_64.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig 431 #define __NR_fsmount 432 #define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 #endif /* _ASM_X86_UNISTD_64_H */ diff --git a/linux-headers/asm-x86/unistd_x32.h b/linux-headers/asm-x86/unistd_x32.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/asm-x86/unistd_x32.h +++ b/linux-headers/asm-x86/unistd_x32.h @@ -XXX,XX +XXX,XX @@ #define __NR_fsconfig (__X32_SYSCALL_BIT + 431) #define __NR_fsmount (__X32_SYSCALL_BIT + 432) #define __NR_fspick (__X32_SYSCALL_BIT + 433) +#define __NR_pidfd_open (__X32_SYSCALL_BIT + 434) +#define __NR_clone3 (__X32_SYSCALL_BIT + 435) #define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512) #define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513) #define __NR_ioctl (__X32_SYSCALL_BIT + 514) diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/linux/kvm.h +++ b/linux-headers/linux/kvm.h @@ -XXX,XX +XXX,XX @@ struct kvm_irq_level { * ACPI gsi notion of irq. * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. - * For ARM: See Documentation/virtual/kvm/api.txt + * For ARM: See Documentation/virt/kvm/api.txt */ union { __u32 irq; @@ -XXX,XX +XXX,XX @@ struct kvm_hyperv_exit { #define KVM_INTERNAL_ERROR_SIMUL_EX 2 /* Encounter unexpected vm-exit due to delivery event. */ #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 +/* Encounter unexpected vm-exit reason */ +#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ struct kvm_run { @@ -XXX,XX +XXX,XX @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_ARM_SVE 170 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 +#define KVM_CAP_PMU_EVENT_FILTER 173 +#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 +#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 #ifdef KVM_CAP_IRQ_ROUTING @@ -XXX,XX +XXX,XX @@ struct kvm_xen_hvm_config { * * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies * the irqfd to operate in resampling mode for level triggered interrupt - * emulation. See Documentation/virtual/kvm/api.txt. + * emulation. See Documentation/virt/kvm/api.txt. */ #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) @@ -XXX,XX +XXX,XX @@ struct kvm_dirty_tlb { #define KVM_REG_S390 0x5000000000000000ULL #define KVM_REG_ARM64 0x6000000000000000ULL #define KVM_REG_MIPS 0x7000000000000000ULL +#define KVM_REG_RISCV 0x8000000000000000ULL #define KVM_REG_SIZE_SHIFT 52 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL @@ -XXX,XX +XXX,XX @@ struct kvm_s390_ucas_mapping { #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) +/* Available with KVM_CAP_PMU_EVENT_FILTER */ +#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) /* ioctl for vm fd */ #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/linux/psp-sev.h +++ b/linux-headers/linux/psp-sev.h @@ -XXX,XX +XXX,XX @@ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Userspace interface for AMD Secure Encrypted Virtualization (SEV) * platform management commands. @@ -XXX,XX +XXX,XX @@ * Author: Brijesh Singh <brijesh.singh@amd.com> * * SEV API specification is available at: https://developer.amd.com/sev/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __PSP_SEV_USER_H__ diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index XXXXXXX..XXXXXXX 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -XXX,XX +XXX,XX @@ struct vfio_region_info_cap_type { __u32 subtype; /* type specific */ }; +/* + * List of region types, global per bus driver. + * If you introduce a new type, please add it here. + */ + +/* PCI region type containing a PCI vendor part */ #define VFIO_REGION_TYPE_PCI_VENDOR_TYPE (1 << 31) #define VFIO_REGION_TYPE_PCI_VENDOR_MASK (0xffff) +#define VFIO_REGION_TYPE_GFX (1) +#define VFIO_REGION_TYPE_CCW (2) -/* 8086 Vendor sub-types */ +/* sub-types for VFIO_REGION_TYPE_PCI_* */ + +/* 8086 vendor PCI sub-types */ #define VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION (1) #define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG (2) #define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3) -#define VFIO_REGION_TYPE_GFX (1) +/* 10de vendor PCI sub-types */ +/* + * NVIDIA GPU NVlink2 RAM is coherent RAM mapped onto the host address space. + */ +#define VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM (1) + +/* 1014 vendor PCI sub-types */ +/* + * IBM NPU NVlink2 ATSD (Address Translation Shootdown) register of NPU + * to do TLB invalidation on a GPU. + */ +#define VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD (1) + +/* sub-types for VFIO_REGION_TYPE_GFX */ #define VFIO_REGION_SUBTYPE_GFX_EDID (1) /** @@ -XXX,XX +XXX,XX @@ struct vfio_region_gfx_edid { #define VFIO_DEVICE_GFX_LINK_STATE_DOWN 2 }; -#define VFIO_REGION_TYPE_CCW (2) -/* ccw sub-types */ +/* sub-types for VFIO_REGION_TYPE_CCW */ #define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD (1) -/* - * 10de vendor sub-type - * - * NVIDIA GPU NVlink2 RAM is coherent RAM mapped onto the host address space. - */ -#define VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM (1) - -/* - * 1014 vendor sub-type - * - * IBM NPU NVlink2 ATSD (Address Translation Shootdown) register of NPU - * to do TLB invalidation on a GPU. - */ -#define VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD (1) - /* * The MSIX mappable capability informs that MSIX data of a BAR can be mmapped * which allows direct access to non-MSIX registers which happened to be within @@ -XXX,XX +XXX,XX @@ struct vfio_iommu_type1_info { __u32 argsz; __u32 flags; #define VFIO_IOMMU_INFO_PGSIZES (1 << 0) /* supported page sizes info */ - __u64 iova_pgsizes; /* Bitmap of supported page sizes */ +#define VFIO_IOMMU_INFO_CAPS (1 << 1) /* Info supports caps */ + __u64 iova_pgsizes; /* Bitmap of supported page sizes */ + __u32 cap_offset; /* Offset within info struct of first cap */ +}; + +/* + * The IOVA capability allows to report the valid IOVA range(s) + * excluding any non-relaxable reserved regions exposed by + * devices attached to the container. Any DMA map attempt + * outside the valid iova range will return error. + * + * The structures below define version 1 of this capability. + */ +#define VFIO_IOMMU_TYPE1_INFO_CAP_IOVA_RANGE 1 + +struct vfio_iova_range { + __u64 start; + __u64 end; +}; + +struct vfio_iommu_type1_info_cap_iova_range { + struct vfio_info_cap_header header; + __u32 nr_iovas; + __u32 reserved; + struct vfio_iova_range iova_ranges[]; }; #define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) -- 2.20.1 From: Eric Auger <eric.auger@redhat.com> Host kernels that expose the KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 capability allow injection of interrupts along with vcpu ids larger than 255. Let's encode the vpcu id on 12 bits according to the upgraded KVM_IRQ_LINE ABI when needed. Given that we have two callsites that need to assemble the value for kvm_set_irq(), a new helper routine, kvm_arm_set_irq is introduced. Without that patch qemu exits with "kvm_set_irq: Invalid argument" message. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reported-by: Zenghui Yu <yuzenghui@huawei.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Acked-by: Marc Zyngier <maz@kernel.org> Message-id: 20191003154640.22451-3-eric.auger@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/kvm_arm.h | 1 + hw/intc/arm_gic_kvm.c | 7 ++----- target/arm/cpu.c | 10 ++++------ target/arm/kvm.c | 12 ++++++++++++ 4 files changed, 19 insertions(+), 11 deletions(-) diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm_arm.h +++ b/target/arm/kvm_arm.h @@ -XXX,XX +XXX,XX @@ int kvm_arm_vgic_probe(void); void kvm_arm_pmu_set_irq(CPUState *cs, int irq); void kvm_arm_pmu_init(CPUState *cs); +int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level); #else diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c index XXXXXXX..XXXXXXX 100644 --- a/hw/intc/arm_gic_kvm.c +++ b/hw/intc/arm_gic_kvm.c @@ -XXX,XX +XXX,XX @@ void kvm_arm_gic_set_irq(uint32_t num_irq, int irq, int level) * has separate fields in the irq number for type, * CPU number and interrupt number. */ - int kvm_irq, irqtype, cpu; + int irqtype, cpu; if (irq < (num_irq - GIC_INTERNAL)) { /* External interrupt. The kernel numbers these like the GIC @@ -XXX,XX +XXX,XX @@ void kvm_arm_gic_set_irq(uint32_t num_irq, int irq, int level) cpu = irq / GIC_INTERNAL; irq %= GIC_INTERNAL; } - kvm_irq = (irqtype << KVM_ARM_IRQ_TYPE_SHIFT) - | (cpu << KVM_ARM_IRQ_VCPU_SHIFT) | irq; - - kvm_set_irq(kvm_state, kvm_irq, !!level); + kvm_arm_set_irq(cpu, irqtype, irq, !!level); } static void kvm_arm_gicv2_set_irq(void *opaque, int irq, int level) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -XXX,XX +XXX,XX @@ static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level) ARMCPU *cpu = opaque; CPUARMState *env = &cpu->env; CPUState *cs = CPU(cpu); - int kvm_irq = KVM_ARM_IRQ_TYPE_CPU << KVM_ARM_IRQ_TYPE_SHIFT; uint32_t linestate_bit; + int irq_id; switch (irq) { case ARM_CPU_IRQ: - kvm_irq |= KVM_ARM_IRQ_CPU_IRQ; + irq_id = KVM_ARM_IRQ_CPU_IRQ; linestate_bit = CPU_INTERRUPT_HARD; break; case ARM_CPU_FIQ: - kvm_irq |= KVM_ARM_IRQ_CPU_FIQ; + irq_id = KVM_ARM_IRQ_CPU_FIQ; linestate_bit = CPU_INTERRUPT_FIQ; break; default: @@ -XXX,XX +XXX,XX @@ static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level) } else { env->irq_line_state &= ~linestate_bit; } - - kvm_irq |= cs->cpu_index << KVM_ARM_IRQ_VCPU_SHIFT; - kvm_set_irq(kvm_state, kvm_irq, level ? 1 : 0); + kvm_arm_set_irq(cs->cpu_index, KVM_ARM_IRQ_TYPE_CPU, irq_id, !!level); #endif } diff --git a/target/arm/kvm.c b/target/arm/kvm.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -XXX,XX +XXX,XX @@ int kvm_arm_vgic_probe(void) } } +int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level) +{ + int kvm_irq = (irqtype << KVM_ARM_IRQ_TYPE_SHIFT) | irq; + int cpu_idx1 = cpu % 256; + int cpu_idx2 = cpu / 256; + + kvm_irq |= (cpu_idx1 << KVM_ARM_IRQ_VCPU_SHIFT) | + (cpu_idx2 << KVM_ARM_IRQ_VCPU2_SHIFT); + + return kvm_set_irq(kvm_state, kvm_irq, !!level); +} + int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, uint64_t address, uint32_t data, PCIDevice *dev) { -- 2.20.1 From: Eric Auger <eric.auger@redhat.com> Host kernel within [4.18, 5.3] report an erroneous KVM_MAX_VCPUS=512 for ARM. The actual capability to instantiate more than 256 vcpus was fixed in 5.4 with the upgrade of the KVM_IRQ_LINE ABI to support vcpu id encoded on 12 bits instead of 8 and a redistributor consuming a single KVM IO device instead of 2. So let's check this capability when attempting to use more than 256 vcpus within any ARM kvm accelerated machine. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Acked-by: Marc Zyngier <maz@kernel.org> Message-id: 20191003154640.22451-4-eric.auger@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/kvm.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/arm/kvm.c b/target/arm/kvm.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -XXX,XX +XXX,XX @@ int kvm_arm_get_max_vm_ipa_size(MachineState *ms) int kvm_arch_init(MachineState *ms, KVMState *s) { + int ret = 0; /* For ARM interrupt delivery is always asynchronous, * whether we are using an in-kernel VGIC or not. */ @@ -XXX,XX +XXX,XX @@ int kvm_arch_init(MachineState *ms, KVMState *s) cap_has_mp_state = kvm_check_extension(s, KVM_CAP_MP_STATE); - return 0; + if (ms->smp.cpus > 256 && + !kvm_check_extension(s, KVM_CAP_ARM_IRQ_LINE_LAYOUT_2)) { + error_report("Using more than 256 vcpus requires a host kernel " + "with KVM_CAP_ARM_IRQ_LINE_LAYOUT_2"); + ret = -EINVAL; + } + + return ret; } unsigned long kvm_arch_vcpu_id(CPUState *cpu) -- 2.20.1 Currently the ptimer design uses a QEMU bottom-half as its mechanism for calling back into the device model using the ptimer when the timer has expired. Unfortunately this design is fatally flawed, because it means that there is a lag between the ptimer updating its own state and the device callback function updating device state, and guest accesses to device registers between the two can return inconsistent device state. We want to replace the bottom-half design with one where the guest device's callback is called either immediately (when the ptimer triggers by timeout) or when the device model code closes a transaction-begin/end section (when the ptimer triggers because the device model changed the ptimer's count value or other state). As the first step, rename ptimer_init() to ptimer_init_with_bh(), to free up the ptimer_init() name for the new API. We can then convert all the ptimer users away from ptimer_init_with_bh() before removing it entirely. (Commit created with git grep -l ptimer_init | xargs sed -i -e 's/ptimer_init/ptimer_init_with_bh/' and three overlong lines folded by hand.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-2-peter.maydell@linaro.org --- include/hw/ptimer.h | 11 ++++++----- hw/arm/musicpal.c | 2 +- hw/core/ptimer.c | 2 +- hw/dma/xilinx_axidma.c | 2 +- hw/m68k/mcf5206.c | 2 +- hw/m68k/mcf5208.c | 2 +- hw/net/fsl_etsec/etsec.c | 2 +- hw/net/lan9118.c | 2 +- hw/timer/allwinner-a10-pit.c | 2 +- hw/timer/altera_timer.c | 2 +- hw/timer/arm_mptimer.c | 6 +++--- hw/timer/arm_timer.c | 2 +- hw/timer/cmsdk-apb-dualtimer.c | 2 +- hw/timer/cmsdk-apb-timer.c | 2 +- hw/timer/digic-timer.c | 2 +- hw/timer/etraxfs_timer.c | 6 +++--- hw/timer/exynos4210_mct.c | 7 ++++--- hw/timer/exynos4210_pwm.c | 2 +- hw/timer/exynos4210_rtc.c | 4 ++-- hw/timer/grlib_gptimer.c | 2 +- hw/timer/imx_epit.c | 4 ++-- hw/timer/imx_gpt.c | 2 +- hw/timer/lm32_timer.c | 2 +- hw/timer/milkymist-sysctl.c | 4 ++-- hw/timer/mss-timer.c | 2 +- hw/timer/puv3_ost.c | 2 +- hw/timer/sh_timer.c | 2 +- hw/timer/slavio_timer.c | 2 +- hw/timer/xilinx_timer.c | 2 +- hw/watchdog/cmsdk-apb-watchdog.c | 2 +- tests/ptimer-test.c | 22 +++++++++++----------- 31 files changed, 56 insertions(+), 54 deletions(-) diff --git a/include/hw/ptimer.h b/include/hw/ptimer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/ptimer.h +++ b/include/hw/ptimer.h @@ -XXX,XX +XXX,XX @@ * ptimer_set_count() or ptimer_set_limit() will not trigger the timer * (though it will cause a reload). Only a counter decrement to "0" * will cause a trigger. Not compatible with NO_IMMEDIATE_TRIGGER; - * ptimer_init() will assert() that you don't set both. + * ptimer_init_with_bh() will assert() that you don't set both. */ #define PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT (1 << 5) @@ -XXX,XX +XXX,XX @@ typedef struct ptimer_state ptimer_state; typedef void (*ptimer_cb)(void *opaque); /** - * ptimer_init - Allocate and return a new ptimer + * ptimer_init_with_bh - Allocate and return a new ptimer * @bh: QEMU bottom half which is run on timer expiry * @policy: PTIMER_POLICY_* bits specifying behaviour * @@ -XXX,XX +XXX,XX @@ typedef void (*ptimer_cb)(void *opaque); * The ptimer takes ownership of @bh and will delete it * when the ptimer is eventually freed. */ -ptimer_state *ptimer_init(QEMUBH *bh, uint8_t policy_mask); +ptimer_state *ptimer_init_with_bh(QEMUBH *bh, uint8_t policy_mask); /** * ptimer_free - Free a ptimer * @s: timer to free * - * Free a ptimer created using ptimer_init() (including + * Free a ptimer created using ptimer_init_with_bh() (including * deleting the bottom half which it is using). */ void ptimer_free(ptimer_state *s); @@ -XXX,XX +XXX,XX @@ void ptimer_set_count(ptimer_state *s, uint64_t count); * @oneshot: non-zero if this timer should only count down once * * Start a ptimer counting down; when it reaches zero the bottom half - * passed to ptimer_init() will be invoked. If the @oneshot argument is zero, + * passed to ptimer_init_with_bh() will be invoked. + * If the @oneshot argument is zero, * the counter value will then be reloaded from the limit and it will * start counting down again. If @oneshot is non-zero, then the counter * will disable itself when it reaches zero. diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/musicpal.c +++ b/hw/arm/musicpal.c @@ -XXX,XX +XXX,XX @@ static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s, s->freq = freq; bh = qemu_bh_new(mv88w8618_timer_tick, s); - s->ptimer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); } static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset, diff --git a/hw/core/ptimer.c b/hw/core/ptimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/core/ptimer.c +++ b/hw/core/ptimer.c @@ -XXX,XX +XXX,XX @@ const VMStateDescription vmstate_ptimer = { } }; -ptimer_state *ptimer_init(QEMUBH *bh, uint8_t policy_mask) +ptimer_state *ptimer_init_with_bh(QEMUBH *bh, uint8_t policy_mask) { ptimer_state *s; diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c index XXXXXXX..XXXXXXX 100644 --- a/hw/dma/xilinx_axidma.c +++ b/hw/dma/xilinx_axidma.c @@ -XXX,XX +XXX,XX @@ static void xilinx_axidma_realize(DeviceState *dev, Error **errp) st->nr = i; st->bh = qemu_bh_new(timer_hit, st); - st->ptimer = ptimer_init(st->bh, PTIMER_POLICY_DEFAULT); + st->ptimer = ptimer_init_with_bh(st->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(st->ptimer, s->freqhz); } return; diff --git a/hw/m68k/mcf5206.c b/hw/m68k/mcf5206.c index XXXXXXX..XXXXXXX 100644 --- a/hw/m68k/mcf5206.c +++ b/hw/m68k/mcf5206.c @@ -XXX,XX +XXX,XX @@ static m5206_timer_state *m5206_timer_init(qemu_irq irq) s = g_new0(m5206_timer_state, 1); bh = qemu_bh_new(m5206_timer_trigger, s); - s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); s->irq = irq; m5206_timer_reset(s); return s; diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c index XXXXXXX..XXXXXXX 100644 --- a/hw/m68k/mcf5208.c +++ b/hw/m68k/mcf5208.c @@ -XXX,XX +XXX,XX @@ static void mcf5208_sys_init(MemoryRegion *address_space, qemu_irq *pic) for (i = 0; i < 2; i++) { s = g_new0(m5208_timer_state, 1); bh = qemu_bh_new(m5208_timer_trigger, s); - s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); memory_region_init_io(&s->iomem, NULL, &m5208_timer_ops, s, "m5208-timer", 0x00004000); memory_region_add_subregion(address_space, 0xfc080000 + 0x4000 * i, diff --git a/hw/net/fsl_etsec/etsec.c b/hw/net/fsl_etsec/etsec.c index XXXXXXX..XXXXXXX 100644 --- a/hw/net/fsl_etsec/etsec.c +++ b/hw/net/fsl_etsec/etsec.c @@ -XXX,XX +XXX,XX @@ static void etsec_realize(DeviceState *dev, Error **errp) etsec->bh = qemu_bh_new(etsec_timer_hit, etsec); - etsec->ptimer = ptimer_init(etsec->bh, PTIMER_POLICY_DEFAULT); + etsec->ptimer = ptimer_init_with_bh(etsec->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(etsec->ptimer, 100); } diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c index XXXXXXX..XXXXXXX 100644 --- a/hw/net/lan9118.c +++ b/hw/net/lan9118.c @@ -XXX,XX +XXX,XX @@ static void lan9118_realize(DeviceState *dev, Error **errp) s->txp = &s->tx_packet; bh = qemu_bh_new(lan9118_tick, s); - s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(s->timer, 10000); ptimer_set_limit(s->timer, 0xffff, 1); } diff --git a/hw/timer/allwinner-a10-pit.c b/hw/timer/allwinner-a10-pit.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/allwinner-a10-pit.c +++ b/hw/timer/allwinner-a10-pit.c @@ -XXX,XX +XXX,XX @@ static void a10_pit_init(Object *obj) tc->container = s; tc->index = i; bh[i] = qemu_bh_new(a10_pit_timer_cb, tc); - s->timer[i] = ptimer_init(bh[i], PTIMER_POLICY_DEFAULT); + s->timer[i] = ptimer_init_with_bh(bh[i], PTIMER_POLICY_DEFAULT); } } diff --git a/hw/timer/altera_timer.c b/hw/timer/altera_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/altera_timer.c +++ b/hw/timer/altera_timer.c @@ -XXX,XX +XXX,XX @@ static void altera_timer_realize(DeviceState *dev, Error **errp) } t->bh = qemu_bh_new(timer_hit, t); - t->ptimer = ptimer_init(t->bh, PTIMER_POLICY_DEFAULT); + t->ptimer = ptimer_init_with_bh(t->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(t->ptimer, t->freq_hz); memory_region_init_io(&t->mmio, OBJECT(t), &timer_ops, t, diff --git a/hw/timer/arm_mptimer.c b/hw/timer/arm_mptimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/arm_mptimer.c +++ b/hw/timer/arm_mptimer.c @@ -XXX,XX +XXX,XX @@ static void arm_mptimer_reset(DeviceState *dev) } } -static void arm_mptimer_init(Object *obj) +static void arm_mptimer_init_with_bh(Object *obj) { ARMMPTimerState *s = ARM_MPTIMER(obj); @@ -XXX,XX +XXX,XX @@ static void arm_mptimer_realize(DeviceState *dev, Error **errp) for (i = 0; i < s->num_cpu; i++) { TimerBlock *tb = &s->timerblock[i]; QEMUBH *bh = qemu_bh_new(timerblock_tick, tb); - tb->timer = ptimer_init(bh, PTIMER_POLICY); + tb->timer = ptimer_init_with_bh(bh, PTIMER_POLICY); sysbus_init_irq(sbd, &tb->irq); memory_region_init_io(&tb->iomem, OBJECT(s), &timerblock_ops, tb, "arm_mptimer_timerblock", 0x20); @@ -XXX,XX +XXX,XX @@ static const TypeInfo arm_mptimer_info = { .name = TYPE_ARM_MPTIMER, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(ARMMPTimerState), - .instance_init = arm_mptimer_init, + .instance_init = arm_mptimer_init_with_bh, .class_init = arm_mptimer_class_init, }; diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/arm_timer.c +++ b/hw/timer/arm_timer.c @@ -XXX,XX +XXX,XX @@ static arm_timer_state *arm_timer_init(uint32_t freq) s->control = TIMER_CTRL_IE; bh = qemu_bh_new(arm_timer_tick, s); - s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); vmstate_register(NULL, -1, &vmstate_arm_timer, s); return s; } diff --git a/hw/timer/cmsdk-apb-dualtimer.c b/hw/timer/cmsdk-apb-dualtimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/cmsdk-apb-dualtimer.c +++ b/hw/timer/cmsdk-apb-dualtimer.c @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_dualtimer_realize(DeviceState *dev, Error **errp) QEMUBH *bh = qemu_bh_new(cmsdk_dualtimermod_tick, m); m->parent = s; - m->timer = ptimer_init(bh, + m->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | diff --git a/hw/timer/cmsdk-apb-timer.c b/hw/timer/cmsdk-apb-timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/cmsdk-apb-timer.c +++ b/hw/timer/cmsdk-apb-timer.c @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_timer_realize(DeviceState *dev, Error **errp) } bh = qemu_bh_new(cmsdk_apb_timer_tick, s); - s->timer = ptimer_init(bh, + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | diff --git a/hw/timer/digic-timer.c b/hw/timer/digic-timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/digic-timer.c +++ b/hw/timer/digic-timer.c @@ -XXX,XX +XXX,XX @@ static void digic_timer_init(Object *obj) { DigicTimerState *s = DIGIC_TIMER(obj); - s->ptimer = ptimer_init(NULL, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init_with_bh(NULL, PTIMER_POLICY_DEFAULT); /* * FIXME: there is no documentation on Digic timer diff --git a/hw/timer/etraxfs_timer.c b/hw/timer/etraxfs_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/etraxfs_timer.c +++ b/hw/timer/etraxfs_timer.c @@ -XXX,XX +XXX,XX @@ static void etraxfs_timer_realize(DeviceState *dev, Error **errp) t->bh_t0 = qemu_bh_new(timer0_hit, t); t->bh_t1 = qemu_bh_new(timer1_hit, t); t->bh_wd = qemu_bh_new(watchdog_hit, t); - t->ptimer_t0 = ptimer_init(t->bh_t0, PTIMER_POLICY_DEFAULT); - t->ptimer_t1 = ptimer_init(t->bh_t1, PTIMER_POLICY_DEFAULT); - t->ptimer_wd = ptimer_init(t->bh_wd, PTIMER_POLICY_DEFAULT); + t->ptimer_t0 = ptimer_init_with_bh(t->bh_t0, PTIMER_POLICY_DEFAULT); + t->ptimer_t1 = ptimer_init_with_bh(t->bh_t1, PTIMER_POLICY_DEFAULT); + t->ptimer_wd = ptimer_init_with_bh(t->bh_wd, PTIMER_POLICY_DEFAULT); sysbus_init_irq(sbd, &t->irq); sysbus_init_irq(sbd, &t->nmi); diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_mct.c +++ b/hw/timer/exynos4210_mct.c @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_init(Object *obj) /* Global timer */ bh[0] = qemu_bh_new(exynos4210_gfrc_event, s); - s->g_timer.ptimer_frc = ptimer_init(bh[0], PTIMER_POLICY_DEFAULT); + s->g_timer.ptimer_frc = ptimer_init_with_bh(bh[0], PTIMER_POLICY_DEFAULT); memset(&s->g_timer.reg, 0, sizeof(struct gregs)); /* Local timers */ @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_init(Object *obj) bh[0] = qemu_bh_new(exynos4210_ltick_event, &s->l_timer[i]); bh[1] = qemu_bh_new(exynos4210_lfrc_event, &s->l_timer[i]); s->l_timer[i].tick_timer.ptimer_tick = - ptimer_init(bh[0], PTIMER_POLICY_DEFAULT); - s->l_timer[i].ptimer_frc = ptimer_init(bh[1], PTIMER_POLICY_DEFAULT); + ptimer_init_with_bh(bh[0], PTIMER_POLICY_DEFAULT); + s->l_timer[i].ptimer_frc = + ptimer_init_with_bh(bh[1], PTIMER_POLICY_DEFAULT); s->l_timer[i].id = i; } diff --git a/hw/timer/exynos4210_pwm.c b/hw/timer/exynos4210_pwm.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_pwm.c +++ b/hw/timer/exynos4210_pwm.c @@ -XXX,XX +XXX,XX @@ static void exynos4210_pwm_init(Object *obj) for (i = 0; i < EXYNOS4210_PWM_TIMERS_NUM; i++) { bh = qemu_bh_new(exynos4210_pwm_tick, &s->timer[i]); sysbus_init_irq(dev, &s->timer[i].irq); - s->timer[i].ptimer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer[i].ptimer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); s->timer[i].id = i; s->timer[i].parent = s; } diff --git a/hw/timer/exynos4210_rtc.c b/hw/timer/exynos4210_rtc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_rtc.c +++ b/hw/timer/exynos4210_rtc.c @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_init(Object *obj) QEMUBH *bh; bh = qemu_bh_new(exynos4210_rtc_tick, s); - s->ptimer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(s->ptimer, RTC_BASE_FREQ); exynos4210_rtc_update_freq(s, 0); bh = qemu_bh_new(exynos4210_rtc_1Hz_tick, s); - s->ptimer_1Hz = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->ptimer_1Hz = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(s->ptimer_1Hz, RTC_BASE_FREQ); sysbus_init_irq(dev, &s->alm_irq); diff --git a/hw/timer/grlib_gptimer.c b/hw/timer/grlib_gptimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/grlib_gptimer.c +++ b/hw/timer/grlib_gptimer.c @@ -XXX,XX +XXX,XX @@ static void grlib_gptimer_realize(DeviceState *dev, Error **errp) timer->unit = unit; timer->bh = qemu_bh_new(grlib_gptimer_hit, timer); - timer->ptimer = ptimer_init(timer->bh, PTIMER_POLICY_DEFAULT); + timer->ptimer = ptimer_init_with_bh(timer->bh, PTIMER_POLICY_DEFAULT); timer->id = i; /* One IRQ line for each timer */ diff --git a/hw/timer/imx_epit.c b/hw/timer/imx_epit.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/imx_epit.c +++ b/hw/timer/imx_epit.c @@ -XXX,XX +XXX,XX @@ static void imx_epit_realize(DeviceState *dev, Error **errp) 0x00001000); sysbus_init_mmio(sbd, &s->iomem); - s->timer_reload = ptimer_init(NULL, PTIMER_POLICY_DEFAULT); + s->timer_reload = ptimer_init_with_bh(NULL, PTIMER_POLICY_DEFAULT); bh = qemu_bh_new(imx_epit_cmp, s); - s->timer_cmp = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer_cmp = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); } static void imx_epit_class_init(ObjectClass *klass, void *data) diff --git a/hw/timer/imx_gpt.c b/hw/timer/imx_gpt.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/imx_gpt.c +++ b/hw/timer/imx_gpt.c @@ -XXX,XX +XXX,XX @@ static void imx_gpt_realize(DeviceState *dev, Error **errp) sysbus_init_mmio(sbd, &s->iomem); bh = qemu_bh_new(imx_gpt_timeout, s); - s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); } static void imx_gpt_class_init(ObjectClass *klass, void *data) diff --git a/hw/timer/lm32_timer.c b/hw/timer/lm32_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/lm32_timer.c +++ b/hw/timer/lm32_timer.c @@ -XXX,XX +XXX,XX @@ static void lm32_timer_realize(DeviceState *dev, Error **errp) LM32TimerState *s = LM32_TIMER(dev); s->bh = qemu_bh_new(timer_hit, s); - s->ptimer = ptimer_init(s->bh, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init_with_bh(s->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(s->ptimer, s->freq_hz); } diff --git a/hw/timer/milkymist-sysctl.c b/hw/timer/milkymist-sysctl.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/milkymist-sysctl.c +++ b/hw/timer/milkymist-sysctl.c @@ -XXX,XX +XXX,XX @@ static void milkymist_sysctl_realize(DeviceState *dev, Error **errp) s->bh0 = qemu_bh_new(timer0_hit, s); s->bh1 = qemu_bh_new(timer1_hit, s); - s->ptimer0 = ptimer_init(s->bh0, PTIMER_POLICY_DEFAULT); - s->ptimer1 = ptimer_init(s->bh1, PTIMER_POLICY_DEFAULT); + s->ptimer0 = ptimer_init_with_bh(s->bh0, PTIMER_POLICY_DEFAULT); + s->ptimer1 = ptimer_init_with_bh(s->bh1, PTIMER_POLICY_DEFAULT); ptimer_set_freq(s->ptimer0, s->freq_hz); ptimer_set_freq(s->ptimer1, s->freq_hz); diff --git a/hw/timer/mss-timer.c b/hw/timer/mss-timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/mss-timer.c +++ b/hw/timer/mss-timer.c @@ -XXX,XX +XXX,XX @@ static void mss_timer_init(Object *obj) struct Msf2Timer *st = &t->timers[i]; st->bh = qemu_bh_new(timer_hit, st); - st->ptimer = ptimer_init(st->bh, PTIMER_POLICY_DEFAULT); + st->ptimer = ptimer_init_with_bh(st->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(st->ptimer, t->freq_hz); sysbus_init_irq(SYS_BUS_DEVICE(obj), &st->irq); } diff --git a/hw/timer/puv3_ost.c b/hw/timer/puv3_ost.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/puv3_ost.c +++ b/hw/timer/puv3_ost.c @@ -XXX,XX +XXX,XX @@ static void puv3_ost_realize(DeviceState *dev, Error **errp) sysbus_init_irq(sbd, &s->irq); s->bh = qemu_bh_new(puv3_ost_tick, s); - s->ptimer = ptimer_init(s->bh, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init_with_bh(s->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(s->ptimer, 50 * 1000 * 1000); memory_region_init_io(&s->iomem, OBJECT(s), &puv3_ost_ops, s, "puv3_ost", diff --git a/hw/timer/sh_timer.c b/hw/timer/sh_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/sh_timer.c +++ b/hw/timer/sh_timer.c @@ -XXX,XX +XXX,XX @@ static void *sh_timer_init(uint32_t freq, int feat, qemu_irq irq) s->irq = irq; bh = qemu_bh_new(sh_timer_tick, s); - s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); sh_timer_write(s, OFFSET_TCOR >> 2, s->tcor); sh_timer_write(s, OFFSET_TCNT >> 2, s->tcnt); diff --git a/hw/timer/slavio_timer.c b/hw/timer/slavio_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/slavio_timer.c +++ b/hw/timer/slavio_timer.c @@ -XXX,XX +XXX,XX @@ static void slavio_timer_init(Object *obj) tc->timer_index = i; bh = qemu_bh_new(slavio_timer_irq, tc); - s->cputimer[i].timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); + s->cputimer[i].timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); ptimer_set_period(s->cputimer[i].timer, TIMER_PERIOD); size = i == 0 ? SYS_TIMER_SIZE : CPU_TIMER_SIZE; diff --git a/hw/timer/xilinx_timer.c b/hw/timer/xilinx_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/xilinx_timer.c +++ b/hw/timer/xilinx_timer.c @@ -XXX,XX +XXX,XX @@ static void xilinx_timer_realize(DeviceState *dev, Error **errp) xt->parent = t; xt->nr = i; xt->bh = qemu_bh_new(timer_hit, xt); - xt->ptimer = ptimer_init(xt->bh, PTIMER_POLICY_DEFAULT); + xt->ptimer = ptimer_init_with_bh(xt->bh, PTIMER_POLICY_DEFAULT); ptimer_set_freq(xt->ptimer, t->freq_hz); } diff --git a/hw/watchdog/cmsdk-apb-watchdog.c b/hw/watchdog/cmsdk-apb-watchdog.c index XXXXXXX..XXXXXXX 100644 --- a/hw/watchdog/cmsdk-apb-watchdog.c +++ b/hw/watchdog/cmsdk-apb-watchdog.c @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_watchdog_realize(DeviceState *dev, Error **errp) } bh = qemu_bh_new(cmsdk_apb_watchdog_tick, s); - s->timer = ptimer_init(bh, + s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | diff --git a/tests/ptimer-test.c b/tests/ptimer-test.c index XXXXXXX..XXXXXXX 100644 --- a/tests/ptimer-test.c +++ b/tests/ptimer-test.c @@ -XXX,XX +XXX,XX @@ static void check_set_count(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_set_limit(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_oneshot(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD); @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_mode_change(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_period_change(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_freq_change(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_run_with_period_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_run_with_delta_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD); @@ -XXX,XX +XXX,XX @@ static void check_periodic_with_load_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool continuous_trigger = (*policy & PTIMER_POLICY_CONTINUOUS_TRIGGER); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT); @@ -XXX,XX +XXX,XX @@ static void check_oneshot_with_load_0(gconstpointer arg) { const uint8_t *policy = arg; QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init(bh, *policy); + ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT); -- 2.20.1 Provide the new transaction-based API. If a ptimer is created using ptimer_init() rather than ptimer_init_with_bh(), then instead of providing a QEMUBH, it provides a pointer to the callback function directly, and has opted into the transaction API. All calls to functions which modify ptimer state: - ptimer_set_period() - ptimer_set_freq() - ptimer_set_limit() - ptimer_set_count() - ptimer_run() - ptimer_stop() must be between matched calls to ptimer_transaction_begin() and ptimer_transaction_commit(). When ptimer_transaction_commit() is called it will evaluate the state of the timer after all the changes in the transaction, and call the callback if necessary. In the old API the individual update functions generally would call ptimer_trigger() immediately, which would schedule the QEMUBH. In the new API the update functions will instead defer the "set s->next_event and call ptimer_reload()" work to ptimer_transaction_commit(). Because ptimer_trigger() can now immediately call into the device code which may then call other ptimer functions that update ptimer_state fields, we must be more careful in ptimer_reload() not to cache fields from ptimer_state across the ptimer_trigger() call. (This was harmless with the QEMUBH mechanism as the BH would not be invoked until much later.) We use assertions to check that: * the functions modifying ptimer state are not called outside a transaction block * ptimer_transaction_begin() and _commit() calls are paired * the transaction API is not used with a QEMUBH ptimer There is some slight repetition of code: * most of the set functions have similar looking "if s->bh call ptimer_reload, otherwise set s->need_reload" code * ptimer_init() and ptimer_init_with_bh() have similar code We deliberately don't try to avoid this repetition, because it will all be deleted when the QEMUBH version of the API is removed. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-3-peter.maydell@linaro.org --- include/hw/ptimer.h | 72 +++++++++++++++++++++ hw/core/ptimer.c | 152 +++++++++++++++++++++++++++++++++++++++----- 2 files changed, 209 insertions(+), 15 deletions(-) diff --git a/include/hw/ptimer.h b/include/hw/ptimer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/ptimer.h +++ b/include/hw/ptimer.h @@ -XXX,XX +XXX,XX @@ typedef void (*ptimer_cb)(void *opaque); */ ptimer_state *ptimer_init_with_bh(QEMUBH *bh, uint8_t policy_mask); +/** + * ptimer_init - Allocate and return a new ptimer + * @callback: function to call on ptimer expiry + * @callback_opaque: opaque pointer passed to @callback + * @policy: PTIMER_POLICY_* bits specifying behaviour + * + * The ptimer returned must be freed using ptimer_free(). + * + * If a ptimer is created using this API then will use the + * transaction-based API for modifying ptimer state: all calls + * to functions which modify ptimer state: + * - ptimer_set_period() + * - ptimer_set_freq() + * - ptimer_set_limit() + * - ptimer_set_count() + * - ptimer_run() + * - ptimer_stop() + * must be between matched calls to ptimer_transaction_begin() + * and ptimer_transaction_commit(). When ptimer_transaction_commit() + * is called it will evaluate the state of the timer after all the + * changes in the transaction, and call the callback if necessary. + * + * The callback function is always called from within a transaction + * begin/commit block, so the callback should not call the + * ptimer_transaction_begin() function itself. If the callback changes + * the ptimer state such that another ptimer expiry is triggered, then + * the callback will be called a second time after the first call returns. + */ +ptimer_state *ptimer_init(ptimer_cb callback, + void *callback_opaque, + uint8_t policy_mask); + /** * ptimer_free - Free a ptimer * @s: timer to free @@ -XXX,XX +XXX,XX @@ ptimer_state *ptimer_init_with_bh(QEMUBH *bh, uint8_t policy_mask); */ void ptimer_free(ptimer_state *s); +/** + * ptimer_transaction_begin() - Start a ptimer modification transaction + * + * This function must be called before making any calls to functions + * which modify the ptimer's state (see the ptimer_init() documentation + * for a list of these), and must always have a matched call to + * ptimer_transaction_commit(). + * It is an error to call this function for a BH-based ptimer; + * attempting to do this will trigger an assert. + */ +void ptimer_transaction_begin(ptimer_state *s); + +/** + * ptimer_transaction_commit() - Commit a ptimer modification transaction + * + * This function must be called after calls to functions which modify + * the ptimer's state, and completes the update of the ptimer. If the + * ptimer state now means that we should trigger the timer expiry + * callback, it will be called directly. + */ +void ptimer_transaction_commit(ptimer_state *s); + /** * ptimer_set_period - Set counter increment interval in nanoseconds * @s: ptimer to configure @@ -XXX,XX +XXX,XX @@ void ptimer_free(ptimer_state *s); * Note that if your counter behaviour is specified as having a * particular frequency rather than a period then ptimer_set_freq() * may be more appropriate. + * + * This function will assert if it is called outside a + * ptimer_transaction_begin/commit block, unless this is a bottom-half ptimer. */ void ptimer_set_period(ptimer_state *s, int64_t period); @@ -XXX,XX +XXX,XX @@ void ptimer_set_period(ptimer_state *s, int64_t period); * as setting the frequency then this function is more appropriate, * because it allows specifying an effective period which is * precise to fractions of a nanosecond, avoiding rounding errors. + * + * This function will assert if it is called outside a + * ptimer_transaction_begin/commit block, unless this is a bottom-half ptimer. */ void ptimer_set_freq(ptimer_state *s, uint32_t freq); @@ -XXX,XX +XXX,XX @@ uint64_t ptimer_get_limit(ptimer_state *s); * Set the limit value of the down-counter. The @reload flag can * be used to emulate the behaviour of timers which immediately * reload the counter when their reload register is written to. + * + * This function will assert if it is called outside a + * ptimer_transaction_begin/commit block, unless this is a bottom-half ptimer. */ void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload); @@ -XXX,XX +XXX,XX @@ uint64_t ptimer_get_count(ptimer_state *s); * Set the value of the down-counter. If the counter is currently * enabled this will arrange for a timer callback at the appropriate * point in the future. + * + * This function will assert if it is called outside a + * ptimer_transaction_begin/commit block, unless this is a bottom-half ptimer. */ void ptimer_set_count(ptimer_state *s, uint64_t count); @@ -XXX,XX +XXX,XX @@ void ptimer_set_count(ptimer_state *s, uint64_t count); * the counter value will then be reloaded from the limit and it will * start counting down again. If @oneshot is non-zero, then the counter * will disable itself when it reaches zero. + * + * This function will assert if it is called outside a + * ptimer_transaction_begin/commit block, unless this is a bottom-half ptimer. */ void ptimer_run(ptimer_state *s, int oneshot); @@ -XXX,XX +XXX,XX @@ void ptimer_run(ptimer_state *s, int oneshot); * * Note that this can cause it to "lose" time, even if it is immediately * restarted. + * + * This function will assert if it is called outside a + * ptimer_transaction_begin/commit block, unless this is a bottom-half ptimer. */ void ptimer_stop(ptimer_state *s); diff --git a/hw/core/ptimer.c b/hw/core/ptimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/core/ptimer.c +++ b/hw/core/ptimer.c @@ -XXX,XX +XXX,XX @@ struct ptimer_state uint8_t policy_mask; QEMUBH *bh; QEMUTimer *timer; + ptimer_cb callback; + void *callback_opaque; + /* + * These track whether we're in a transaction block, and if we + * need to do a timer reload when the block finishes. They don't + * need to be migrated because migration can never happen in the + * middle of a transaction block. + */ + bool in_transaction; + bool need_reload; }; /* Use a bottom-half routine to avoid reentrancy issues. */ @@ -XXX,XX +XXX,XX @@ static void ptimer_trigger(ptimer_state *s) if (s->bh) { replay_bh_schedule_event(s->bh); } + if (s->callback) { + s->callback(s->callback_opaque); + } } static void ptimer_reload(ptimer_state *s, int delta_adjust) { - uint32_t period_frac = s->period_frac; - uint64_t period = s->period; - uint64_t delta = s->delta; + uint32_t period_frac; + uint64_t period; + uint64_t delta; bool suppress_trigger = false; /* @@ -XXX,XX +XXX,XX @@ static void ptimer_reload(ptimer_state *s, int delta_adjust) (s->policy_mask & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT)) { suppress_trigger = true; } - if (delta == 0 && !(s->policy_mask & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) + if (s->delta == 0 && !(s->policy_mask & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) && !suppress_trigger) { ptimer_trigger(s); } + /* + * Note that ptimer_trigger() might call the device callback function, + * which can then modify timer state, so we must not cache any fields + * from ptimer_state until after we have called it. + */ + delta = s->delta; + period = s->period; + period_frac = s->period_frac; + if (delta == 0 && !(s->policy_mask & PTIMER_POLICY_NO_IMMEDIATE_RELOAD)) { delta = s->delta = s->limit; } @@ -XXX,XX +XXX,XX @@ static void ptimer_tick(void *opaque) ptimer_state *s = (ptimer_state *)opaque; bool trigger = true; + /* + * We perform all the tick actions within a begin/commit block + * because the callback function that ptimer_trigger() calls + * might make calls into the ptimer APIs that provoke another + * trigger, and we want that to cause the callback function + * to be called iteratively, not recursively. + */ + ptimer_transaction_begin(s); + if (s->enabled == 2) { s->delta = 0; s->enabled = 0; @@ -XXX,XX +XXX,XX @@ static void ptimer_tick(void *opaque) if (trigger) { ptimer_trigger(s); } + + ptimer_transaction_commit(s); } uint64_t ptimer_get_count(ptimer_state *s) @@ -XXX,XX +XXX,XX @@ uint64_t ptimer_get_count(ptimer_state *s) void ptimer_set_count(ptimer_state *s, uint64_t count) { + assert(s->in_transaction || !s->callback); s->delta = count; if (s->enabled) { - s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - ptimer_reload(s, 0); + if (!s->callback) { + s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ptimer_reload(s, 0); + } else { + s->need_reload = true; + } } } @@ -XXX,XX +XXX,XX @@ void ptimer_run(ptimer_state *s, int oneshot) { bool was_disabled = !s->enabled; + assert(s->in_transaction || !s->callback); + if (was_disabled && s->period == 0) { if (!qtest_enabled()) { fprintf(stderr, "Timer with period zero, disabling\n"); @@ -XXX,XX +XXX,XX @@ void ptimer_run(ptimer_state *s, int oneshot) } s->enabled = oneshot ? 2 : 1; if (was_disabled) { - s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - ptimer_reload(s, 0); + if (!s->callback) { + s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ptimer_reload(s, 0); + } else { + s->need_reload = true; + } } } @@ -XXX,XX +XXX,XX @@ void ptimer_run(ptimer_state *s, int oneshot) is immediately restarted. */ void ptimer_stop(ptimer_state *s) { + assert(s->in_transaction || !s->callback); + if (!s->enabled) return; s->delta = ptimer_get_count(s); timer_del(s->timer); s->enabled = 0; + if (s->callback) { + s->need_reload = false; + } } /* Set counter increment interval in nanoseconds. */ void ptimer_set_period(ptimer_state *s, int64_t period) { + assert(s->in_transaction || !s->callback); s->delta = ptimer_get_count(s); s->period = period; s->period_frac = 0; if (s->enabled) { - s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - ptimer_reload(s, 0); + if (!s->callback) { + s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ptimer_reload(s, 0); + } else { + s->need_reload = true; + } } } /* Set counter frequency in Hz. */ void ptimer_set_freq(ptimer_state *s, uint32_t freq) { + assert(s->in_transaction || !s->callback); s->delta = ptimer_get_count(s); s->period = 1000000000ll / freq; s->period_frac = (1000000000ll << 32) / freq; if (s->enabled) { - s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - ptimer_reload(s, 0); + if (!s->callback) { + s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ptimer_reload(s, 0); + } else { + s->need_reload = true; + } } } @@ -XXX,XX +XXX,XX @@ void ptimer_set_freq(ptimer_state *s, uint32_t freq) count = limit. */ void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload) { + assert(s->in_transaction || !s->callback); s->limit = limit; if (reload) s->delta = limit; if (s->enabled && reload) { - s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - ptimer_reload(s, 0); + if (!s->callback) { + s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ptimer_reload(s, 0); + } else { + s->need_reload = true; + } } } @@ -XXX,XX +XXX,XX @@ uint64_t ptimer_get_limit(ptimer_state *s) return s->limit; } +void ptimer_transaction_begin(ptimer_state *s) +{ + assert(!s->in_transaction || !s->callback); + s->in_transaction = true; + s->need_reload = false; +} + +void ptimer_transaction_commit(ptimer_state *s) +{ + assert(s->in_transaction); + /* + * We must loop here because ptimer_reload() can call the callback + * function, which might then update ptimer state in a way that + * means we need to do another reload and possibly another callback. + * A disabled timer never needs reloading (and if we don't check + * this then we loop forever if ptimer_reload() disables the timer). + */ + while (s->need_reload && s->enabled) { + s->need_reload = false; + s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ptimer_reload(s, 0); + } + /* Now we've finished reload we can leave the transaction block. */ + s->in_transaction = false; +} + const VMStateDescription vmstate_ptimer = { .name = "ptimer", .version_id = 1, @@ -XXX,XX +XXX,XX @@ ptimer_state *ptimer_init_with_bh(QEMUBH *bh, uint8_t policy_mask) return s; } +ptimer_state *ptimer_init(ptimer_cb callback, void *callback_opaque, + uint8_t policy_mask) +{ + ptimer_state *s; + + /* + * The callback function is mandatory; so we use it to distinguish + * old-style QEMUBH ptimers from new transaction API ptimers. + * (ptimer_init_with_bh() allows a NULL bh pointer and at least + * one device (digic-timer) passes NULL, so it's not the case + * that either s->bh != NULL or s->callback != NULL.) + */ + assert(callback); + + s = g_new0(ptimer_state, 1); + s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ptimer_tick, s); + s->policy_mask = policy_mask; + s->callback = callback; + s->callback_opaque = callback_opaque; + + /* + * These two policies are incompatible -- trigger-on-decrement implies + * a timer trigger when the count becomes 0, but no-immediate-trigger + * implies a trigger when the count stops being 0. + */ + assert(!((policy_mask & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT) && + (policy_mask & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER))); + return s; +} + void ptimer_free(ptimer_state *s) { - qemu_bh_delete(s->bh); + if (s->bh) { + qemu_bh_delete(s->bh); + } timer_free(s->timer); g_free(s); } -- 2.20.1 Convert the ptimer test cases to the transaction-based ptimer API, by changing to ptimer_init(), dropping the now-unused QEMUBH variables, and surrounding each set of changes to the ptimer state in ptimer_transaction_begin/commit calls. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-4-peter.maydell@linaro.org --- tests/ptimer-test.c | 106 +++++++++++++++++++++++++++++++++++--------- 1 file changed, 84 insertions(+), 22 deletions(-) diff --git a/tests/ptimer-test.c b/tests/ptimer-test.c index XXXXXXX..XXXXXXX 100644 --- a/tests/ptimer-test.c +++ b/tests/ptimer-test.c @@ -XXX,XX +XXX,XX @@ static void qemu_clock_step(uint64_t ns) static void check_set_count(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 1000); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 1000); g_assert_false(triggered); ptimer_free(ptimer); @@ -XXX,XX +XXX,XX @@ static void check_set_count(gconstpointer arg) static void check_set_limit(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_limit(ptimer, 1000, 0); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 1000); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_limit(ptimer, 2000, 1); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 2000); g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 2000); g_assert_false(triggered); @@ -XXX,XX +XXX,XX @@ static void check_set_limit(gconstpointer arg) static void check_oneshot(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_set_count(ptimer, 10); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 2 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_stop(ptimer); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); @@ -XXX,XX +XXX,XX @@ static void check_oneshot(gconstpointer arg) g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 7 + 1); @@ -XXX,XX +XXX,XX @@ static void check_oneshot(gconstpointer arg) g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 10); + ptimer_transaction_commit(ptimer); qemu_clock_step(20000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_limit(ptimer, 9, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(20000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 20); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 19 + 1); @@ -XXX,XX +XXX,XX @@ static void check_oneshot(gconstpointer arg) g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); g_assert_true(triggered); + ptimer_transaction_begin(ptimer); ptimer_stop(ptimer); + ptimer_transaction_commit(ptimer); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_oneshot(gconstpointer arg) static void check_periodic(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 10, 1); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10); g_assert_false(triggered); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 20); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 20); g_assert_false(triggered); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 3); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3); g_assert_false(triggered); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_true(triggered); + ptimer_transaction_begin(ptimer); ptimer_stop(ptimer); + ptimer_transaction_commit(ptimer); triggered = false; qemu_clock_step(2000000); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 3); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 3 + 1); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 0); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : 10); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0)); g_assert_true(triggered); + ptimer_transaction_begin(ptimer); ptimer_stop(ptimer); + ptimer_transaction_commit(ptimer); triggered = false; @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0)); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); + + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 0); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 + 1); @@ -XXX,XX +XXX,XX @@ static void check_periodic(gconstpointer arg) static void check_on_the_fly_mode_change(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 10, 1); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 9 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0); g_assert_false(triggered); @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_mode_change(gconstpointer arg) qemu_clock_step(2000000 * 9); + ptimer_transaction_begin(ptimer); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, (no_round_down ? 1 : 0) + (wrap_policy ? 1 : 0)); @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_mode_change(gconstpointer arg) static void check_on_the_fly_period_change(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 8, 1); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 4 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 4000000); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); qemu_clock_step(4000000 * 2 + 1); @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_period_change(gconstpointer arg) static void check_on_the_fly_freq_change(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_freq(ptimer, 500); ptimer_set_limit(ptimer, 8, 1); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 4 + 1); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); g_assert_false(triggered); + ptimer_transaction_begin(ptimer); ptimer_set_freq(ptimer, 250); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3); qemu_clock_step(2000000 * 4 + 1); @@ -XXX,XX +XXX,XX @@ static void check_on_the_fly_freq_change(gconstpointer arg) static void check_run_with_period_0(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 99); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); qemu_clock_step(10 * NANOSECONDS_PER_SECOND); @@ -XXX,XX +XXX,XX @@ static void check_run_with_period_0(gconstpointer arg) static void check_run_with_delta_0(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD); @@ -XXX,XX +XXX,XX @@ static void check_run_with_delta_0(gconstpointer arg) triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_set_limit(ptimer, 99, 0); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : 99); @@ -XXX,XX +XXX,XX @@ static void check_run_with_delta_0(gconstpointer arg) g_assert_false(triggered); } + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 99); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); } qemu_clock_step(2000000 + 1); @@ -XXX,XX +XXX,XX @@ static void check_run_with_delta_0(gconstpointer arg) triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 0); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_immediate_reload ? 0 : 99); @@ -XXX,XX +XXX,XX @@ static void check_run_with_delta_0(gconstpointer arg) wrap_policy ? 0 : (no_round_down ? 99 : 98)); g_assert_true(triggered); + ptimer_transaction_begin(ptimer); ptimer_stop(ptimer); + ptimer_transaction_commit(ptimer); ptimer_free(ptimer); } static void check_periodic_with_load_0(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool continuous_trigger = (*policy & PTIMER_POLICY_CONTINUOUS_TRIGGER); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); @@ -XXX,XX +XXX,XX @@ static void check_periodic_with_load_0(gconstpointer arg) triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_count(ptimer, 10); ptimer_run(ptimer, 0); + ptimer_transaction_commit(ptimer); qemu_clock_step(2000000 * 10 + 1); @@ -XXX,XX +XXX,XX @@ static void check_periodic_with_load_0(gconstpointer arg) g_assert_false(triggered); } + ptimer_transaction_begin(ptimer); ptimer_stop(ptimer); + ptimer_transaction_commit(ptimer); ptimer_free(ptimer); } static void check_oneshot_with_load_0(gconstpointer arg) { const uint8_t *policy = arg; - QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL); - ptimer_state *ptimer = ptimer_init_with_bh(bh, *policy); + ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER); bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT); triggered = false; + ptimer_transaction_begin(ptimer); ptimer_set_period(ptimer, 2000000); ptimer_run(ptimer, 1); + ptimer_transaction_commit(ptimer); g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0); -- 2.20.1 Switch the arm_timer.c code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various arms of arm_timer_write() that modify the ptimer state, and using the new ptimer_init() function to create the timer. Fixes: https://bugs.launchpad.net/qemu/+bug/1777777 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-5-peter.maydell@linaro.org --- hw/timer/arm_timer.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/arm_timer.c +++ b/hw/timer/arm_timer.c @@ -XXX,XX +XXX,XX @@ #include "hw/irq.h" #include "hw/ptimer.h" #include "hw/qdev-properties.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/log.h" @@ -XXX,XX +XXX,XX @@ static uint32_t arm_timer_read(void *opaque, hwaddr offset) } } -/* Reset the timer limit after settings have changed. */ +/* + * Reset the timer limit after settings have changed. + * May only be called from inside a ptimer transaction block. + */ static void arm_timer_recalibrate(arm_timer_state *s, int reload) { uint32_t limit; @@ -XXX,XX +XXX,XX @@ static void arm_timer_write(void *opaque, hwaddr offset, switch (offset >> 2) { case 0: /* TimerLoad */ s->limit = value; + ptimer_transaction_begin(s->timer); arm_timer_recalibrate(s, 1); + ptimer_transaction_commit(s->timer); break; case 1: /* TimerValue */ /* ??? Linux seems to want to write to this readonly register. Ignore it. */ break; case 2: /* TimerControl */ + ptimer_transaction_begin(s->timer); if (s->control & TIMER_CTRL_ENABLE) { /* Pause the timer if it is running. This may cause some inaccuracy dure to rounding, but avoids a whole lot of other @@ -XXX,XX +XXX,XX @@ static void arm_timer_write(void *opaque, hwaddr offset, /* Restart the timer if still enabled. */ ptimer_run(s->timer, (s->control & TIMER_CTRL_ONESHOT) != 0); } + ptimer_transaction_commit(s->timer); break; case 3: /* TimerIntClr */ s->int_level = 0; break; case 6: /* TimerBGLoad */ s->limit = value; + ptimer_transaction_begin(s->timer); arm_timer_recalibrate(s, 0); + ptimer_transaction_commit(s->timer); break; default: qemu_log_mask(LOG_GUEST_ERROR, @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_arm_timer = { static arm_timer_state *arm_timer_init(uint32_t freq) { arm_timer_state *s; - QEMUBH *bh; s = (arm_timer_state *)g_malloc0(sizeof(arm_timer_state)); s->freq = freq; s->control = TIMER_CTRL_IE; - bh = qemu_bh_new(arm_timer_tick, s); - s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init(arm_timer_tick, s, PTIMER_POLICY_DEFAULT); vmstate_register(NULL, -1, &vmstate_arm_timer, s); return s; } -- 2.20.1 Switch the musicpal code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-6-peter.maydell@linaro.org --- hw/arm/musicpal.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/musicpal.c +++ b/hw/arm/musicpal.c @@ -XXX,XX +XXX,XX @@ static void mv88w8618_timer_tick(void *opaque) static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s, uint32_t freq) { - QEMUBH *bh; - sysbus_init_irq(dev, &s->irq); s->freq = freq; - bh = qemu_bh_new(mv88w8618_timer_tick, s); - s->ptimer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init(mv88w8618_timer_tick, s, PTIMER_POLICY_DEFAULT); } static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset, @@ -XXX,XX +XXX,XX @@ static void mv88w8618_pit_write(void *opaque, hwaddr offset, case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH: t = &s->timer[offset >> 2]; t->limit = value; + ptimer_transaction_begin(t->ptimer); if (t->limit > 0) { ptimer_set_limit(t->ptimer, t->limit, 1); } else { ptimer_stop(t->ptimer); } + ptimer_transaction_commit(t->ptimer); break; case MP_PIT_CONTROL: for (i = 0; i < 4; i++) { t = &s->timer[i]; + ptimer_transaction_begin(t->ptimer); if (value & 0xf && t->limit > 0) { ptimer_set_limit(t->ptimer, t->limit, 0); ptimer_set_freq(t->ptimer, t->freq); @@ -XXX,XX +XXX,XX @@ static void mv88w8618_pit_write(void *opaque, hwaddr offset, } else { ptimer_stop(t->ptimer); } + ptimer_transaction_commit(t->ptimer); value >>= 4; } break; @@ -XXX,XX +XXX,XX @@ static void mv88w8618_pit_reset(DeviceState *d) int i; for (i = 0; i < 4; i++) { - ptimer_stop(s->timer[i].ptimer); - s->timer[i].limit = 0; + mv88w8618_timer_state *t = &s->timer[i]; + ptimer_transaction_begin(t->ptimer); + ptimer_stop(t->ptimer); + ptimer_transaction_commit(t->ptimer); + t->limit = 0; } } -- 2.20.1 Switch the allwinner-a10-pit code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-7-peter.maydell@linaro.org --- hw/timer/allwinner-a10-pit.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/hw/timer/allwinner-a10-pit.c b/hw/timer/allwinner-a10-pit.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/allwinner-a10-pit.c +++ b/hw/timer/allwinner-a10-pit.c @@ -XXX,XX +XXX,XX @@ #include "hw/timer/allwinner-a10-pit.h" #include "migration/vmstate.h" #include "qemu/log.h" -#include "qemu/main-loop.h" #include "qemu/module.h" static void a10_pit_update_irq(AwA10PITState *s) @@ -XXX,XX +XXX,XX @@ static uint64_t a10_pit_read(void *opaque, hwaddr offset, unsigned size) return 0; } +/* Must be called inside a ptimer transaction block for s->timer[index] */ static void a10_pit_set_freq(AwA10PITState *s, int index) { uint32_t prescaler, source, source_freq; @@ -XXX,XX +XXX,XX @@ static void a10_pit_write(void *opaque, hwaddr offset, uint64_t value, switch (offset & 0x0f) { case AW_A10_PIT_TIMER_CONTROL: s->control[index] = value; + ptimer_transaction_begin(s->timer[index]); a10_pit_set_freq(s, index); if (s->control[index] & AW_A10_PIT_TIMER_RELOAD) { ptimer_set_count(s->timer[index], s->interval[index]); @@ -XXX,XX +XXX,XX @@ static void a10_pit_write(void *opaque, hwaddr offset, uint64_t value, } else { ptimer_stop(s->timer[index]); } + ptimer_transaction_commit(s->timer[index]); break; case AW_A10_PIT_TIMER_INTERVAL: s->interval[index] = value; + ptimer_transaction_begin(s->timer[index]); ptimer_set_limit(s->timer[index], s->interval[index], 1); + ptimer_transaction_commit(s->timer[index]); break; case AW_A10_PIT_TIMER_COUNT: s->count[index] = value; @@ -XXX,XX +XXX,XX @@ static void a10_pit_reset(DeviceState *dev) s->control[i] = AW_A10_PIT_DEFAULT_CLOCK; s->interval[i] = 0; s->count[i] = 0; + ptimer_transaction_begin(s->timer[i]); ptimer_stop(s->timer[i]); a10_pit_set_freq(s, i); + ptimer_transaction_commit(s->timer[i]); } s->watch_dog_mode = 0; s->watch_dog_control = 0; @@ -XXX,XX +XXX,XX @@ static void a10_pit_init(Object *obj) { AwA10PITState *s = AW_A10_PIT(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj); - QEMUBH * bh[AW_A10_PIT_TIMER_NR]; uint8_t i; for (i = 0; i < AW_A10_PIT_TIMER_NR; i++) { @@ -XXX,XX +XXX,XX @@ static void a10_pit_init(Object *obj) tc->container = s; tc->index = i; - bh[i] = qemu_bh_new(a10_pit_timer_cb, tc); - s->timer[i] = ptimer_init_with_bh(bh[i], PTIMER_POLICY_DEFAULT); + s->timer[i] = ptimer_init(a10_pit_timer_cb, tc, PTIMER_POLICY_DEFAULT); } } -- 2.20.1 Switch the arm_mptimer.c code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-8-peter.maydell@linaro.org --- hw/timer/arm_mptimer.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/hw/timer/arm_mptimer.c b/hw/timer/arm_mptimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/arm_mptimer.c +++ b/hw/timer/arm_mptimer.c @@ -XXX,XX +XXX,XX @@ #include "hw/timer/arm_mptimer.h" #include "migration/vmstate.h" #include "qapi/error.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "hw/core/cpu.h" @@ -XXX,XX +XXX,XX @@ static inline uint32_t timerblock_scale(uint32_t control) return (((control >> 8) & 0xff) + 1) * 10; } +/* Must be called within a ptimer transaction block */ static inline void timerblock_set_count(struct ptimer_state *timer, uint32_t control, uint64_t *count) { @@ -XXX,XX +XXX,XX @@ static inline void timerblock_set_count(struct ptimer_state *timer, ptimer_set_count(timer, *count); } +/* Must be called within a ptimer transaction block */ static inline void timerblock_run(struct ptimer_state *timer, uint32_t control, uint32_t load) { @@ -XXX,XX +XXX,XX @@ static void timerblock_write(void *opaque, hwaddr addr, uint32_t control = tb->control; switch (addr) { case 0: /* Load */ + ptimer_transaction_begin(tb->timer); /* Setting load to 0 stops the timer without doing the tick if * prescaler = 0. */ @@ -XXX,XX +XXX,XX @@ static void timerblock_write(void *opaque, hwaddr addr, } ptimer_set_limit(tb->timer, value, 1); timerblock_run(tb->timer, control, value); + ptimer_transaction_commit(tb->timer); break; case 4: /* Counter. */ + ptimer_transaction_begin(tb->timer); /* Setting counter to 0 stops the one-shot timer, or periodic with * load = 0, without doing the tick if prescaler = 0. */ @@ -XXX,XX +XXX,XX @@ static void timerblock_write(void *opaque, hwaddr addr, } timerblock_set_count(tb->timer, control, &value); timerblock_run(tb->timer, control, value); + ptimer_transaction_commit(tb->timer); break; case 8: /* Control. */ + ptimer_transaction_begin(tb->timer); if ((control & 3) != (value & 3)) { ptimer_stop(tb->timer); } @@ -XXX,XX +XXX,XX @@ static void timerblock_write(void *opaque, hwaddr addr, timerblock_run(tb->timer, value, count); } tb->control = value; + ptimer_transaction_commit(tb->timer); break; case 12: /* Interrupt status. */ tb->status &= ~value; @@ -XXX,XX +XXX,XX @@ static void timerblock_reset(TimerBlock *tb) tb->control = 0; tb->status = 0; if (tb->timer) { + ptimer_transaction_begin(tb->timer); ptimer_stop(tb->timer); ptimer_set_limit(tb->timer, 0, 1); ptimer_set_period(tb->timer, timerblock_scale(0)); + ptimer_transaction_commit(tb->timer); } } @@ -XXX,XX +XXX,XX @@ static void arm_mptimer_realize(DeviceState *dev, Error **errp) */ for (i = 0; i < s->num_cpu; i++) { TimerBlock *tb = &s->timerblock[i]; - QEMUBH *bh = qemu_bh_new(timerblock_tick, tb); - tb->timer = ptimer_init_with_bh(bh, PTIMER_POLICY); + tb->timer = ptimer_init(timerblock_tick, tb, PTIMER_POLICY); sysbus_init_irq(sbd, &tb->irq); memory_region_init_io(&tb->iomem, OBJECT(s), &timerblock_ops, tb, "arm_mptimer_timerblock", 0x20); -- 2.20.1 Switch the cmsdk-apb-dualtimer code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-9-peter.maydell@linaro.org --- hw/timer/cmsdk-apb-dualtimer.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/hw/timer/cmsdk-apb-dualtimer.c b/hw/timer/cmsdk-apb-dualtimer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/cmsdk-apb-dualtimer.c +++ b/hw/timer/cmsdk-apb-dualtimer.c @@ -XXX,XX +XXX,XX @@ #include "qemu/log.h" #include "trace.h" #include "qapi/error.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "hw/sysbus.h" #include "hw/irq.h" @@ -XXX,XX +XXX,XX @@ static void cmsdk_dualtimermod_write_control(CMSDKAPBDualTimerModule *m, /* Handle a write to the CONTROL register */ uint32_t changed; + ptimer_transaction_begin(m->timer); + newctrl &= R_CONTROL_VALID_MASK; changed = m->control ^ newctrl; @@ -XXX,XX +XXX,XX @@ static void cmsdk_dualtimermod_write_control(CMSDKAPBDualTimerModule *m, } m->control = newctrl; + + ptimer_transaction_commit(m->timer); } static uint64_t cmsdk_apb_dualtimer_read(void *opaque, hwaddr offset, @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_dualtimer_write(void *opaque, hwaddr offset, if (!(m->control & R_CONTROL_SIZE_MASK)) { value &= 0xffff; } + ptimer_transaction_begin(m->timer); if (!(m->control & R_CONTROL_MODE_MASK)) { /* * In free-running mode this won't set the limit but will @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_dualtimer_write(void *opaque, hwaddr offset, ptimer_run(m->timer, 1); } } + ptimer_transaction_commit(m->timer); break; case A_TIMER1BGLOAD: /* Set the limit, but not the current count */ @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_dualtimer_write(void *opaque, hwaddr offset, if (!(m->control & R_CONTROL_SIZE_MASK)) { value &= 0xffff; } + ptimer_transaction_begin(m->timer); ptimer_set_limit(m->timer, value, 0); + ptimer_transaction_commit(m->timer); break; case A_TIMER1CONTROL: cmsdk_dualtimermod_write_control(m, value); @@ -XXX,XX +XXX,XX @@ static void cmsdk_dualtimermod_reset(CMSDKAPBDualTimerModule *m) m->intstatus = 0; m->load = 0; m->value = 0xffffffff; + ptimer_transaction_begin(m->timer); ptimer_stop(m->timer); /* * We start in free-running mode, with VALUE at 0xffffffff, and @@ -XXX,XX +XXX,XX @@ static void cmsdk_dualtimermod_reset(CMSDKAPBDualTimerModule *m) */ ptimer_set_limit(m->timer, 0xffff, 1); ptimer_set_freq(m->timer, m->parent->pclk_frq); + ptimer_transaction_commit(m->timer); } static void cmsdk_apb_dualtimer_reset(DeviceState *dev) @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_dualtimer_realize(DeviceState *dev, Error **errp) for (i = 0; i < ARRAY_SIZE(s->timermod); i++) { CMSDKAPBDualTimerModule *m = &s->timermod[i]; - QEMUBH *bh = qemu_bh_new(cmsdk_dualtimermod_tick, m); m->parent = s; - m->timer = ptimer_init_with_bh(bh, + m->timer = ptimer_init(cmsdk_dualtimermod_tick, m, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | -- 2.20.1 Switch the cmsdk-apb-timer code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-10-peter.maydell@linaro.org --- hw/timer/cmsdk-apb-timer.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/hw/timer/cmsdk-apb-timer.c b/hw/timer/cmsdk-apb-timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/cmsdk-apb-timer.c +++ b/hw/timer/cmsdk-apb-timer.c @@ -XXX,XX +XXX,XX @@ #include "qemu/osdep.h" #include "qemu/log.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "qapi/error.h" #include "trace.h" @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_timer_write(void *opaque, hwaddr offset, uint64_t value, "CMSDK APB timer: EXTIN input not supported\n"); } s->ctrl = value & 0xf; + ptimer_transaction_begin(s->timer); if (s->ctrl & R_CTRL_EN_MASK) { ptimer_run(s->timer, ptimer_get_limit(s->timer) == 0); } else { ptimer_stop(s->timer); } + ptimer_transaction_commit(s->timer); break; case A_RELOAD: /* Writing to reload also sets the current timer value */ + ptimer_transaction_begin(s->timer); if (!value) { ptimer_stop(s->timer); } @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_timer_write(void *opaque, hwaddr offset, uint64_t value, */ ptimer_run(s->timer, 0); } + ptimer_transaction_commit(s->timer); break; case A_VALUE: + ptimer_transaction_begin(s->timer); if (!value && !ptimer_get_limit(s->timer)) { ptimer_stop(s->timer); } @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_timer_write(void *opaque, hwaddr offset, uint64_t value, if (value && (s->ctrl & R_CTRL_EN_MASK)) { ptimer_run(s->timer, ptimer_get_limit(s->timer) == 0); } + ptimer_transaction_commit(s->timer); break; case A_INTSTATUS: /* Just one bit, which is W1C. */ @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_timer_reset(DeviceState *dev) trace_cmsdk_apb_timer_reset(); s->ctrl = 0; s->intstatus = 0; + ptimer_transaction_begin(s->timer); ptimer_stop(s->timer); /* Set the limit and the count */ ptimer_set_limit(s->timer, 0, 1); + ptimer_transaction_commit(s->timer); } static void cmsdk_apb_timer_init(Object *obj) @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_timer_init(Object *obj) static void cmsdk_apb_timer_realize(DeviceState *dev, Error **errp) { CMSDKAPBTIMER *s = CMSDK_APB_TIMER(dev); - QEMUBH *bh; if (s->pclk_frq == 0) { error_setg(errp, "CMSDK APB timer: pclk-frq property must be set"); return; } - bh = qemu_bh_new(cmsdk_apb_timer_tick, s); - s->timer = ptimer_init_with_bh(bh, + s->timer = ptimer_init(cmsdk_apb_timer_tick, s, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); + ptimer_transaction_begin(s->timer); ptimer_set_freq(s->timer, s->pclk_frq); + ptimer_transaction_commit(s->timer); } static const VMStateDescription cmsdk_apb_timer_vmstate = { -- 2.20.1 Switch the digic-timer.c code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-11-peter.maydell@linaro.org --- hw/timer/digic-timer.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/hw/timer/digic-timer.c b/hw/timer/digic-timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/digic-timer.c +++ b/hw/timer/digic-timer.c @@ -XXX,XX +XXX,XX @@ #include "qemu/osdep.h" #include "hw/sysbus.h" #include "hw/ptimer.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/log.h" @@ -XXX,XX +XXX,XX @@ static void digic_timer_reset(DeviceState *dev) { DigicTimerState *s = DIGIC_TIMER(dev); + ptimer_transaction_begin(s->ptimer); ptimer_stop(s->ptimer); + ptimer_transaction_commit(s->ptimer); s->control = 0; s->relvalue = 0; } @@ -XXX,XX +XXX,XX @@ static void digic_timer_write(void *opaque, hwaddr offset, break; } + ptimer_transaction_begin(s->ptimer); if (value & DIGIC_TIMER_CONTROL_EN) { ptimer_run(s->ptimer, 0); } s->control = (uint32_t)value; + ptimer_transaction_commit(s->ptimer); break; case DIGIC_TIMER_RELVALUE: s->relvalue = extract32(value, 0, 16); + ptimer_transaction_begin(s->ptimer); ptimer_set_limit(s->ptimer, s->relvalue, 1); + ptimer_transaction_commit(s->ptimer); break; case DIGIC_TIMER_VALUE: @@ -XXX,XX +XXX,XX @@ static const MemoryRegionOps digic_timer_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; +static void digic_timer_tick(void *opaque) +{ + /* Nothing to do on timer rollover */ +} + static void digic_timer_init(Object *obj) { DigicTimerState *s = DIGIC_TIMER(obj); - s->ptimer = ptimer_init_with_bh(NULL, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init(digic_timer_tick, NULL, PTIMER_POLICY_DEFAULT); /* * FIXME: there is no documentation on Digic timer * frequency setup so let it always run at 1 MHz */ + ptimer_transaction_begin(s->ptimer); ptimer_set_freq(s->ptimer, 1 * 1000 * 1000); + ptimer_transaction_commit(s->ptimer); memory_region_init_io(&s->iomem, OBJECT(s), &digic_timer_ops, s, TYPE_DIGIC_TIMER, 0x100); -- 2.20.1 We want to switch the exynos MCT code away from bottom-half based ptimers to the new transaction-based ptimer API. The MCT is complicated and uses multiple different ptimers, so it's clearer to switch it a piece at a time. Here we change over only the GFRC. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-12-peter.maydell@linaro.org --- hw/timer/exynos4210_mct.c | 48 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 45 insertions(+), 3 deletions(-) diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_mct.c +++ b/hw/timer/exynos4210_mct.c @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_update_freq(Exynos4210MCTState *s); /* * Set counter of FRC global timer. + * Must be called within exynos4210_gfrc_tx_begin/commit block. */ static void exynos4210_gfrc_set_count(Exynos4210MCTGT *s, uint64_t count) { @@ -XXX,XX +XXX,XX @@ static uint64_t exynos4210_gfrc_get_count(Exynos4210MCTGT *s) /* * Stop global FRC timer + * Must be called within exynos4210_gfrc_tx_begin/commit block. */ static void exynos4210_gfrc_stop(Exynos4210MCTGT *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_gfrc_stop(Exynos4210MCTGT *s) /* * Start global FRC timer + * Must be called within exynos4210_gfrc_tx_begin/commit block. */ static void exynos4210_gfrc_start(Exynos4210MCTGT *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_gfrc_start(Exynos4210MCTGT *s) ptimer_run(s->ptimer_frc, 1); } +/* + * Start ptimer transaction for global FRC timer; this is just for + * consistency with the way we wrap operations like stop and run. + */ +static void exynos4210_gfrc_tx_begin(Exynos4210MCTGT *s) +{ + ptimer_transaction_begin(s->ptimer_frc); +} + +/* Commit ptimer transaction for global FRC timer. */ +static void exynos4210_gfrc_tx_commit(Exynos4210MCTGT *s) +{ + ptimer_transaction_commit(s->ptimer_frc); +} + /* * Find next nearest Comparator. If current Comparator value equals to other * Comparator value, skip them both @@ -XXX,XX +XXX,XX @@ static uint64_t exynos4210_gcomp_get_distance(Exynos4210MCTState *s, int32_t id) /* * Restart global FRC timer + * Must be called within exynos4210_gfrc_tx_begin/commit block. */ static void exynos4210_gfrc_restart(Exynos4210MCTState *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_ltick_event(void *opaque) exynos4210_ltick_int_start(&s->tick_timer); } +static void tx_ptimer_set_freq(ptimer_state *s, uint32_t freq) +{ + /* + * callers of exynos4210_mct_update_freq() never do anything + * else that needs to be in the same ptimer transaction, so + * to avoid a lot of repetition we have a convenience function + * for begin/set_freq/commit. + */ + ptimer_transaction_begin(s); + ptimer_set_freq(s, freq); + ptimer_transaction_commit(s); +} + /* update timer frequency */ static void exynos4210_mct_update_freq(Exynos4210MCTState *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_update_freq(Exynos4210MCTState *s) DPRINTF("freq=%dHz\n", s->freq); /* global timer */ - ptimer_set_freq(s->g_timer.ptimer_frc, s->freq); + tx_ptimer_set_freq(s->g_timer.ptimer_frc, s->freq); /* local timer */ ptimer_set_freq(s->l_timer[0].tick_timer.ptimer_tick, s->freq); @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_reset(DeviceState *d) /* global timer */ memset(&s->g_timer.reg, 0, sizeof(s->g_timer.reg)); + exynos4210_gfrc_tx_begin(&s->g_timer); exynos4210_gfrc_stop(&s->g_timer); + exynos4210_gfrc_tx_commit(&s->g_timer); /* local timer */ memset(s->l_timer[0].reg.cnt, 0, sizeof(s->l_timer[0].reg.cnt)); @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, } s->g_timer.reg.cnt = new_frc; + exynos4210_gfrc_tx_begin(&s->g_timer); exynos4210_gfrc_restart(s); + exynos4210_gfrc_tx_commit(&s->g_timer); break; case G_CNT_WSTAT: @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, s->g_timer.reg.wstat |= G_WSTAT_COMP_L(index); } + exynos4210_gfrc_tx_begin(&s->g_timer); exynos4210_gfrc_restart(s); + exynos4210_gfrc_tx_commit(&s->g_timer); break; case G_TCON: @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, DPRINTF("global timer write to reg.g_tcon %llx\n", value); + exynos4210_gfrc_tx_begin(&s->g_timer); + /* Start FRC if transition from disabled to enabled */ if ((value & G_TCON_TIMER_ENABLE) > (old_val & G_TCON_TIMER_ENABLE)) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, exynos4210_gfrc_restart(s); } } + + exynos4210_gfrc_tx_commit(&s->g_timer); break; case G_INT_CSTAT: @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_init(Object *obj) QEMUBH *bh[2]; /* Global timer */ - bh[0] = qemu_bh_new(exynos4210_gfrc_event, s); - s->g_timer.ptimer_frc = ptimer_init_with_bh(bh[0], PTIMER_POLICY_DEFAULT); + s->g_timer.ptimer_frc = ptimer_init(exynos4210_gfrc_event, s, + PTIMER_POLICY_DEFAULT); memset(&s->g_timer.reg, 0, sizeof(struct gregs)); /* Local timers */ -- 2.20.1 Switch the exynos MCT LFRC timers over to the ptimer transaction API. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-13-peter.maydell@linaro.org --- hw/timer/exynos4210_mct.c | 27 +++++++++++++++++++++++---- 1 file changed, 23 insertions(+), 4 deletions(-) diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_mct.c +++ b/hw/timer/exynos4210_mct.c @@ -XXX,XX +XXX,XX @@ static uint64_t exynos4210_lfrc_get_count(Exynos4210MCTLT *s) /* * Set counter of FRC local timer. + * Must be called from within exynos4210_lfrc_tx_begin/commit block. */ static void exynos4210_lfrc_update_count(Exynos4210MCTLT *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_lfrc_update_count(Exynos4210MCTLT *s) /* * Start local FRC timer + * Must be called from within exynos4210_lfrc_tx_begin/commit block. */ static void exynos4210_lfrc_start(Exynos4210MCTLT *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_lfrc_start(Exynos4210MCTLT *s) /* * Stop local FRC timer + * Must be called from within exynos4210_lfrc_tx_begin/commit block. */ static void exynos4210_lfrc_stop(Exynos4210MCTLT *s) { ptimer_stop(s->ptimer_frc); } +/* Start ptimer transaction for local FRC timer */ +static void exynos4210_lfrc_tx_begin(Exynos4210MCTLT *s) +{ + ptimer_transaction_begin(s->ptimer_frc); +} + +/* Commit ptimer transaction for local FRC timer */ +static void exynos4210_lfrc_tx_commit(Exynos4210MCTLT *s) +{ + ptimer_transaction_commit(s->ptimer_frc); +} + /* * Local timer free running counter tick handler */ @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_update_freq(Exynos4210MCTState *s) /* local timer */ ptimer_set_freq(s->l_timer[0].tick_timer.ptimer_tick, s->freq); - ptimer_set_freq(s->l_timer[0].ptimer_frc, s->freq); + tx_ptimer_set_freq(s->l_timer[0].ptimer_frc, s->freq); ptimer_set_freq(s->l_timer[1].tick_timer.ptimer_tick, s->freq); - ptimer_set_freq(s->l_timer[1].ptimer_frc, s->freq); + tx_ptimer_set_freq(s->l_timer[1].ptimer_frc, s->freq); } } @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_reset(DeviceState *d) s->l_timer[i].tick_timer.count = 0; s->l_timer[i].tick_timer.distance = 0; s->l_timer[i].tick_timer.progress = 0; + exynos4210_lfrc_tx_begin(&s->l_timer[i]); ptimer_stop(s->l_timer[i].ptimer_frc); + exynos4210_lfrc_tx_commit(&s->l_timer[i]); exynos4210_ltick_timer_init(&s->l_timer[i].tick_timer); } @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, } /* Start or Stop local FRC if TCON changed */ + exynos4210_lfrc_tx_begin(&s->l_timer[lt_i]); if ((value & L_TCON_FRC_START) > (s->l_timer[lt_i].reg.tcon & L_TCON_FRC_START)) { DPRINTF("local timer[%d] start frc\n", lt_i); @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, DPRINTF("local timer[%d] stop frc\n", lt_i); exynos4210_lfrc_stop(&s->l_timer[lt_i]); } + exynos4210_lfrc_tx_commit(&s->l_timer[lt_i]); break; case L0_TCNTB: case L1_TCNTB: @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_init(Object *obj) /* Local timers */ for (i = 0; i < 2; i++) { bh[0] = qemu_bh_new(exynos4210_ltick_event, &s->l_timer[i]); - bh[1] = qemu_bh_new(exynos4210_lfrc_event, &s->l_timer[i]); s->l_timer[i].tick_timer.ptimer_tick = ptimer_init_with_bh(bh[0], PTIMER_POLICY_DEFAULT); s->l_timer[i].ptimer_frc = - ptimer_init_with_bh(bh[1], PTIMER_POLICY_DEFAULT); + ptimer_init(exynos4210_lfrc_event, &s->l_timer[i], + PTIMER_POLICY_DEFAULT); s->l_timer[i].id = i; } -- 2.20.1 Switch the ltick ptimer over to the ptimer transaction API. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-14-peter.maydell@linaro.org --- hw/timer/exynos4210_mct.c | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_mct.c +++ b/hw/timer/exynos4210_mct.c @@ -XXX,XX +XXX,XX @@ #include "hw/sysbus.h" #include "migration/vmstate.h" #include "qemu/timer.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "hw/ptimer.h" @@ -XXX,XX +XXX,XX @@ static uint32_t exynos4210_ltick_int_get_cnto(struct tick_timer *s) /* * Start local tick cnt timer. + * Must be called within exynos4210_ltick_tx_begin/commit block. */ static void exynos4210_ltick_cnt_start(struct tick_timer *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_ltick_cnt_start(struct tick_timer *s) /* * Stop local tick cnt timer. + * Must be called within exynos4210_ltick_tx_begin/commit block. */ static void exynos4210_ltick_cnt_stop(struct tick_timer *s) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_ltick_cnt_stop(struct tick_timer *s) } } +/* Start ptimer transaction for local tick timer */ +static void exynos4210_ltick_tx_begin(struct tick_timer *s) +{ + ptimer_transaction_begin(s->ptimer_tick); +} + +/* Commit ptimer transaction for local tick timer */ +static void exynos4210_ltick_tx_commit(struct tick_timer *s) +{ + ptimer_transaction_commit(s->ptimer_tick); +} + /* * Get counter for CNT timer */ @@ -XXX,XX +XXX,XX @@ static uint32_t exynos4210_ltick_cnt_get_cnto(struct tick_timer *s) /* * Set new values of counters for CNT and INT timers + * Must be called within exynos4210_ltick_tx_begin/commit block. */ static void exynos4210_ltick_set_cntb(struct tick_timer *s, uint32_t new_cnt, uint32_t new_int) @@ -XXX,XX +XXX,XX @@ static void exynos4210_ltick_recalc_count(struct tick_timer *s) static void exynos4210_ltick_timer_init(struct tick_timer *s) { exynos4210_ltick_int_stop(s); + exynos4210_ltick_tx_begin(s); exynos4210_ltick_cnt_stop(s); + exynos4210_ltick_tx_commit(s); s->count = 0; s->distance = 0; @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_update_freq(Exynos4210MCTState *s) tx_ptimer_set_freq(s->g_timer.ptimer_frc, s->freq); /* local timer */ - ptimer_set_freq(s->l_timer[0].tick_timer.ptimer_tick, s->freq); + tx_ptimer_set_freq(s->l_timer[0].tick_timer.ptimer_tick, s->freq); tx_ptimer_set_freq(s->l_timer[0].ptimer_frc, s->freq); - ptimer_set_freq(s->l_timer[1].tick_timer.ptimer_tick, s->freq); + tx_ptimer_set_freq(s->l_timer[1].tick_timer.ptimer_tick, s->freq); tx_ptimer_set_freq(s->l_timer[1].ptimer_frc, s->freq); } } @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, s->l_timer[lt_i].reg.wstat |= L_WSTAT_TCON_WRITE; s->l_timer[lt_i].reg.tcon = value; + exynos4210_ltick_tx_begin(&s->l_timer[lt_i].tick_timer); /* Stop local CNT */ if ((value & L_TCON_TICK_START) < (old_val & L_TCON_TICK_START)) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, DPRINTF("local timer[%d] start int\n", lt_i); exynos4210_ltick_int_start(&s->l_timer[lt_i].tick_timer); } + exynos4210_ltick_tx_commit(&s->l_timer[lt_i].tick_timer); /* Start or Stop local FRC if TCON changed */ exynos4210_lfrc_tx_begin(&s->l_timer[lt_i]); @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_write(void *opaque, hwaddr offset, * Due to this we should reload timer to nearest moment when CNT is * expired and then in event handler update tcntb to new TCNTB value. */ + exynos4210_ltick_tx_begin(&s->l_timer[lt_i].tick_timer); exynos4210_ltick_set_cntb(&s->l_timer[lt_i].tick_timer, value, s->l_timer[lt_i].tick_timer.icntb); + exynos4210_ltick_tx_commit(&s->l_timer[lt_i].tick_timer); s->l_timer[lt_i].reg.wstat |= L_WSTAT_TCNTB_WRITE; s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB] = value; @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_init(Object *obj) int i; Exynos4210MCTState *s = EXYNOS4210_MCT(obj); SysBusDevice *dev = SYS_BUS_DEVICE(obj); - QEMUBH *bh[2]; /* Global timer */ s->g_timer.ptimer_frc = ptimer_init(exynos4210_gfrc_event, s, @@ -XXX,XX +XXX,XX @@ static void exynos4210_mct_init(Object *obj) /* Local timers */ for (i = 0; i < 2; i++) { - bh[0] = qemu_bh_new(exynos4210_ltick_event, &s->l_timer[i]); s->l_timer[i].tick_timer.ptimer_tick = - ptimer_init_with_bh(bh[0], PTIMER_POLICY_DEFAULT); + ptimer_init(exynos4210_ltick_event, &s->l_timer[i], + PTIMER_POLICY_DEFAULT); s->l_timer[i].ptimer_frc = ptimer_init(exynos4210_lfrc_event, &s->l_timer[i], PTIMER_POLICY_DEFAULT); -- 2.20.1 Switch the exynos4210_pwm code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-15-peter.maydell@linaro.org --- hw/timer/exynos4210_pwm.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/hw/timer/exynos4210_pwm.c b/hw/timer/exynos4210_pwm.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_pwm.c +++ b/hw/timer/exynos4210_pwm.c @@ -XXX,XX +XXX,XX @@ #include "hw/sysbus.h" #include "migration/vmstate.h" #include "qemu/timer.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "hw/ptimer.h" @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_exynos4210_pwm_state = { }; /* - * PWM update frequency + * PWM update frequency. + * Must be called within a ptimer_transaction_begin/commit block + * for s->timer[id].ptimer. */ static void exynos4210_pwm_update_freq(Exynos4210PWMState *s, uint32_t id) { @@ -XXX,XX +XXX,XX @@ static void exynos4210_pwm_write(void *opaque, hwaddr offset, /* update timers frequencies */ for (i = 0; i < EXYNOS4210_PWM_TIMERS_NUM; i++) { + ptimer_transaction_begin(s->timer[i].ptimer); exynos4210_pwm_update_freq(s, s->timer[i].id); + ptimer_transaction_commit(s->timer[i].ptimer); } break; case TCON: for (i = 0; i < EXYNOS4210_PWM_TIMERS_NUM; i++) { + ptimer_transaction_begin(s->timer[i].ptimer); if ((value & TCON_TIMER_MANUAL_UPD(i)) > (s->reg_tcon & TCON_TIMER_MANUAL_UPD(i))) { /* @@ -XXX,XX +XXX,XX @@ static void exynos4210_pwm_write(void *opaque, hwaddr offset, ptimer_stop(s->timer[i].ptimer); DPRINTF("stop timer %d\n", i); } + ptimer_transaction_commit(s->timer[i].ptimer); } s->reg_tcon = value; break; @@ -XXX,XX +XXX,XX @@ static void exynos4210_pwm_reset(DeviceState *d) s->timer[i].reg_tcmpb = 0; s->timer[i].reg_tcntb = 0; + ptimer_transaction_begin(s->timer[i].ptimer); exynos4210_pwm_update_freq(s, s->timer[i].id); ptimer_stop(s->timer[i].ptimer); + ptimer_transaction_commit(s->timer[i].ptimer); } } @@ -XXX,XX +XXX,XX @@ static void exynos4210_pwm_init(Object *obj) Exynos4210PWMState *s = EXYNOS4210_PWM(obj); SysBusDevice *dev = SYS_BUS_DEVICE(obj); int i; - QEMUBH *bh; for (i = 0; i < EXYNOS4210_PWM_TIMERS_NUM; i++) { - bh = qemu_bh_new(exynos4210_pwm_tick, &s->timer[i]); sysbus_init_irq(dev, &s->timer[i].irq); - s->timer[i].ptimer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->timer[i].ptimer = ptimer_init(exynos4210_pwm_tick, + &s->timer[i], + PTIMER_POLICY_DEFAULT); s->timer[i].id = i; s->timer[i].parent = s; } -- 2.20.1 Switch the exynos41210_rtc 1Hz ptimer over to the transaction-based API. (We will switch the other ptimer used by this device in a separate commit.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-16-peter.maydell@linaro.org --- hw/timer/exynos4210_rtc.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/hw/timer/exynos4210_rtc.c b/hw/timer/exynos4210_rtc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_rtc.c +++ b/hw/timer/exynos4210_rtc.c @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_write(void *opaque, hwaddr offset, } break; case RTCCON: + ptimer_transaction_begin(s->ptimer_1Hz); if (value & RTC_ENABLE) { exynos4210_rtc_update_freq(s, value); } @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_write(void *opaque, hwaddr offset, ptimer_stop(s->ptimer); } } + ptimer_transaction_commit(s->ptimer_1Hz); s->reg_rtccon = value; break; case TICCNT: @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_reset(DeviceState *d) exynos4210_rtc_update_freq(s, s->reg_rtccon); ptimer_stop(s->ptimer); + ptimer_transaction_begin(s->ptimer_1Hz); ptimer_stop(s->ptimer_1Hz); + ptimer_transaction_commit(s->ptimer_1Hz); } static const MemoryRegionOps exynos4210_rtc_ops = { @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_init(Object *obj) ptimer_set_freq(s->ptimer, RTC_BASE_FREQ); exynos4210_rtc_update_freq(s, 0); - bh = qemu_bh_new(exynos4210_rtc_1Hz_tick, s); - s->ptimer_1Hz = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->ptimer_1Hz = ptimer_init(exynos4210_rtc_1Hz_tick, + s, PTIMER_POLICY_DEFAULT); + ptimer_transaction_begin(s->ptimer_1Hz); ptimer_set_freq(s->ptimer_1Hz, RTC_BASE_FREQ); + ptimer_transaction_commit(s->ptimer_1Hz); sysbus_init_irq(dev, &s->alm_irq); sysbus_init_irq(dev, &s->tick_irq); -- 2.20.1 Switch the exynos41210_rtc main ptimer over to the transaction-based API, completing the transition for this device. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-17-peter.maydell@linaro.org --- hw/timer/exynos4210_rtc.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/hw/timer/exynos4210_rtc.c b/hw/timer/exynos4210_rtc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/exynos4210_rtc.c +++ b/hw/timer/exynos4210_rtc.c @@ -XXX,XX +XXX,XX @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/log.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "hw/sysbus.h" #include "migration/vmstate.h" @@ -XXX,XX +XXX,XX @@ static void check_alarm_raise(Exynos4210RTCState *s) * RTC update frequency * Parameters: * reg_value - current RTCCON register or his new value + * Must be called within a ptimer_transaction_begin/commit block for s->ptimer. */ static void exynos4210_rtc_update_freq(Exynos4210RTCState *s, uint32_t reg_value) @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_write(void *opaque, hwaddr offset, break; case RTCCON: ptimer_transaction_begin(s->ptimer_1Hz); + ptimer_transaction_begin(s->ptimer); if (value & RTC_ENABLE) { exynos4210_rtc_update_freq(s, value); } @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_write(void *opaque, hwaddr offset, } } ptimer_transaction_commit(s->ptimer_1Hz); + ptimer_transaction_commit(s->ptimer); s->reg_rtccon = value; break; case TICCNT: @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_reset(DeviceState *d) s->reg_curticcnt = 0; + ptimer_transaction_begin(s->ptimer); exynos4210_rtc_update_freq(s, s->reg_rtccon); ptimer_stop(s->ptimer); + ptimer_transaction_commit(s->ptimer); ptimer_transaction_begin(s->ptimer_1Hz); ptimer_stop(s->ptimer_1Hz); ptimer_transaction_commit(s->ptimer_1Hz); @@ -XXX,XX +XXX,XX @@ static void exynos4210_rtc_init(Object *obj) { Exynos4210RTCState *s = EXYNOS4210_RTC(obj); SysBusDevice *dev = SYS_BUS_DEVICE(obj); - QEMUBH *bh; - bh = qemu_bh_new(exynos4210_rtc_tick, s); - s->ptimer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->ptimer = ptimer_init(exynos4210_rtc_tick, s, PTIMER_POLICY_DEFAULT); + ptimer_transaction_begin(s->ptimer); ptimer_set_freq(s->ptimer, RTC_BASE_FREQ); exynos4210_rtc_update_freq(s, 0); + ptimer_transaction_commit(s->ptimer); s->ptimer_1Hz = ptimer_init(exynos4210_rtc_1Hz_tick, s, PTIMER_POLICY_DEFAULT); -- 2.20.1 Switch the imx_epit.c code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-18-peter.maydell@linaro.org --- hw/timer/imx_epit.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/hw/timer/imx_epit.c b/hw/timer/imx_epit.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/imx_epit.c +++ b/hw/timer/imx_epit.c @@ -XXX,XX +XXX,XX @@ #include "migration/vmstate.h" #include "hw/irq.h" #include "hw/misc/imx_ccm.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/log.h" @@ -XXX,XX +XXX,XX @@ static void imx_epit_update_int(IMXEPITState *s) } } +/* + * Must be called from within a ptimer_transaction_begin/commit block + * for both s->timer_cmp and s->timer_reload. + */ static void imx_epit_set_freq(IMXEPITState *s) { uint32_t clksrc; @@ -XXX,XX +XXX,XX @@ static void imx_epit_reset(DeviceState *dev) s->lr = EPIT_TIMER_MAX; s->cmp = 0; s->cnt = 0; + ptimer_transaction_begin(s->timer_cmp); + ptimer_transaction_begin(s->timer_reload); /* stop both timers */ ptimer_stop(s->timer_cmp); ptimer_stop(s->timer_reload); @@ -XXX,XX +XXX,XX @@ static void imx_epit_reset(DeviceState *dev) /* if the timer is still enabled, restart it */ ptimer_run(s->timer_reload, 0); } + ptimer_transaction_commit(s->timer_cmp); + ptimer_transaction_commit(s->timer_reload); } static uint32_t imx_epit_update_count(IMXEPITState *s) @@ -XXX,XX +XXX,XX @@ static uint64_t imx_epit_read(void *opaque, hwaddr offset, unsigned size) return reg_value; } +/* Must be called from ptimer_transaction_begin/commit block for s->timer_cmp */ static void imx_epit_reload_compare_timer(IMXEPITState *s) { if ((s->cr & (CR_EN | CR_OCIEN)) == (CR_EN | CR_OCIEN)) { @@ -XXX,XX +XXX,XX @@ static void imx_epit_write(void *opaque, hwaddr offset, uint64_t value, switch (offset >> 2) { case 0: /* CR */ + ptimer_transaction_begin(s->timer_cmp); + ptimer_transaction_begin(s->timer_reload); oldcr = s->cr; s->cr = value & 0x03ffffff; @@ -XXX,XX +XXX,XX @@ static void imx_epit_write(void *opaque, hwaddr offset, uint64_t value, } else { ptimer_stop(s->timer_cmp); } + + ptimer_transaction_commit(s->timer_cmp); + ptimer_transaction_commit(s->timer_reload); break; case 1: /* SR - ACK*/ @@ -XXX,XX +XXX,XX @@ static void imx_epit_write(void *opaque, hwaddr offset, uint64_t value, case 2: /* LR - set ticks */ s->lr = value; + ptimer_transaction_begin(s->timer_cmp); + ptimer_transaction_begin(s->timer_reload); if (s->cr & CR_RLD) { /* Also set the limit if the LRD bit is set */ /* If IOVW bit is set then set the timer value */ @@ -XXX,XX +XXX,XX @@ static void imx_epit_write(void *opaque, hwaddr offset, uint64_t value, } imx_epit_reload_compare_timer(s); + ptimer_transaction_commit(s->timer_cmp); + ptimer_transaction_commit(s->timer_reload); break; case 3: /* CMP */ s->cmp = value; + ptimer_transaction_begin(s->timer_cmp); imx_epit_reload_compare_timer(s); + ptimer_transaction_commit(s->timer_cmp); break; @@ -XXX,XX +XXX,XX @@ static void imx_epit_cmp(void *opaque) imx_epit_update_int(s); } +static void imx_epit_reload(void *opaque) +{ + /* No action required on rollover of timer_reload */ +} + static const MemoryRegionOps imx_epit_ops = { .read = imx_epit_read, .write = imx_epit_write, @@ -XXX,XX +XXX,XX @@ static void imx_epit_realize(DeviceState *dev, Error **errp) { IMXEPITState *s = IMX_EPIT(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - QEMUBH *bh; DPRINTF("\n"); @@ -XXX,XX +XXX,XX @@ static void imx_epit_realize(DeviceState *dev, Error **errp) 0x00001000); sysbus_init_mmio(sbd, &s->iomem); - s->timer_reload = ptimer_init_with_bh(NULL, PTIMER_POLICY_DEFAULT); + s->timer_reload = ptimer_init(imx_epit_reload, s, PTIMER_POLICY_DEFAULT); - bh = qemu_bh_new(imx_epit_cmp, s); - s->timer_cmp = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->timer_cmp = ptimer_init(imx_epit_cmp, s, PTIMER_POLICY_DEFAULT); } static void imx_epit_class_init(ObjectClass *klass, void *data) -- 2.20.1 Switch the imx_epit.c code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-19-peter.maydell@linaro.org --- hw/timer/imx_gpt.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/hw/timer/imx_gpt.c b/hw/timer/imx_gpt.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/imx_gpt.c +++ b/hw/timer/imx_gpt.c @@ -XXX,XX +XXX,XX @@ #include "hw/irq.h" #include "hw/timer/imx_gpt.h" #include "migration/vmstate.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/log.h" @@ -XXX,XX +XXX,XX @@ static const IMXClk imx7_gpt_clocks[] = { CLK_NONE, /* 111 not defined */ }; +/* Must be called from within ptimer_transaction_begin/commit block */ static void imx_gpt_set_freq(IMXGPTState *s) { uint32_t clksrc = extract32(s->cr, GPT_CR_CLKSRC_SHIFT, 3); @@ -XXX,XX +XXX,XX @@ static inline uint32_t imx_gpt_find_limit(uint32_t count, uint32_t reg, return timeout; } +/* Must be called from within ptimer_transaction_begin/commit block */ static void imx_gpt_compute_next_timeout(IMXGPTState *s, bool event) { uint32_t timeout = GPT_TIMER_MAX; @@ -XXX,XX +XXX,XX @@ static uint64_t imx_gpt_read(void *opaque, hwaddr offset, unsigned size) static void imx_gpt_reset_common(IMXGPTState *s, bool is_soft_reset) { + ptimer_transaction_begin(s->timer); /* stop timer */ ptimer_stop(s->timer); @@ -XXX,XX +XXX,XX @@ static void imx_gpt_reset_common(IMXGPTState *s, bool is_soft_reset) if (s->freq && (s->cr & GPT_CR_EN)) { ptimer_run(s->timer, 1); } + ptimer_transaction_commit(s->timer); } static void imx_gpt_soft_reset(DeviceState *dev) @@ -XXX,XX +XXX,XX @@ static void imx_gpt_write(void *opaque, hwaddr offset, uint64_t value, imx_gpt_soft_reset(DEVICE(s)); } else { /* set our freq, as the source might have changed */ + ptimer_transaction_begin(s->timer); imx_gpt_set_freq(s); if ((oldreg ^ s->cr) & GPT_CR_EN) { @@ -XXX,XX +XXX,XX @@ static void imx_gpt_write(void *opaque, hwaddr offset, uint64_t value, ptimer_stop(s->timer); } } + ptimer_transaction_commit(s->timer); } break; case 1: /* Prescaler */ s->pr = value & 0xfff; + ptimer_transaction_begin(s->timer); imx_gpt_set_freq(s); + ptimer_transaction_commit(s->timer); break; case 2: /* SR */ @@ -XXX,XX +XXX,XX @@ static void imx_gpt_write(void *opaque, hwaddr offset, uint64_t value, s->ir = value & 0x3f; imx_gpt_update_int(s); + ptimer_transaction_begin(s->timer); imx_gpt_compute_next_timeout(s, false); + ptimer_transaction_commit(s->timer); break; case 4: /* OCR1 -- output compare register */ s->ocr1 = value; + ptimer_transaction_begin(s->timer); /* In non-freerun mode, reset count when this register is written */ if (!(s->cr & GPT_CR_FRR)) { s->next_timeout = GPT_TIMER_MAX; @@ -XXX,XX +XXX,XX @@ static void imx_gpt_write(void *opaque, hwaddr offset, uint64_t value, /* compute the new timeout */ imx_gpt_compute_next_timeout(s, false); + ptimer_transaction_commit(s->timer); break; @@ -XXX,XX +XXX,XX @@ static void imx_gpt_write(void *opaque, hwaddr offset, uint64_t value, s->ocr2 = value; /* compute the new timeout */ + ptimer_transaction_begin(s->timer); imx_gpt_compute_next_timeout(s, false); + ptimer_transaction_commit(s->timer); break; @@ -XXX,XX +XXX,XX @@ static void imx_gpt_write(void *opaque, hwaddr offset, uint64_t value, s->ocr3 = value; /* compute the new timeout */ + ptimer_transaction_begin(s->timer); imx_gpt_compute_next_timeout(s, false); + ptimer_transaction_commit(s->timer); break; @@ -XXX,XX +XXX,XX @@ static void imx_gpt_realize(DeviceState *dev, Error **errp) { IMXGPTState *s = IMX_GPT(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - QEMUBH *bh; sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &imx_gpt_ops, s, TYPE_IMX_GPT, 0x00001000); sysbus_init_mmio(sbd, &s->iomem); - bh = qemu_bh_new(imx_gpt_timeout, s); - s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init(imx_gpt_timeout, s, PTIMER_POLICY_DEFAULT); } static void imx_gpt_class_init(ObjectClass *klass, void *data) -- 2.20.1 Switch the mss-timer code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-20-peter.maydell@linaro.org --- include/hw/timer/mss-timer.h | 1 - hw/timer/mss-timer.c | 11 ++++++++--- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/include/hw/timer/mss-timer.h b/include/hw/timer/mss-timer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/timer/mss-timer.h +++ b/include/hw/timer/mss-timer.h @@ -XXX,XX +XXX,XX @@ #define R_TIM1_MAX 6 struct Msf2Timer { - QEMUBH *bh; ptimer_state *ptimer; uint32_t regs[R_TIM1_MAX]; diff --git a/hw/timer/mss-timer.c b/hw/timer/mss-timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/mss-timer.c +++ b/hw/timer/mss-timer.c @@ -XXX,XX +XXX,XX @@ */ #include "qemu/osdep.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/log.h" #include "hw/irq.h" @@ -XXX,XX +XXX,XX @@ static void timer_update_irq(struct Msf2Timer *st) qemu_set_irq(st->irq, (ier && isr)); } +/* Must be called from within a ptimer_transaction_begin/commit block */ static void timer_update(struct Msf2Timer *st) { uint64_t count; @@ -XXX,XX +XXX,XX @@ timer_write(void *opaque, hwaddr offset, switch (addr) { case R_TIM_CTRL: st->regs[R_TIM_CTRL] = value; + ptimer_transaction_begin(st->ptimer); timer_update(st); + ptimer_transaction_commit(st->ptimer); break; case R_TIM_RIS: @@ -XXX,XX +XXX,XX @@ timer_write(void *opaque, hwaddr offset, case R_TIM_LOADVAL: st->regs[R_TIM_LOADVAL] = value; if (st->regs[R_TIM_CTRL] & TIMER_CTRL_ENBL) { + ptimer_transaction_begin(st->ptimer); timer_update(st); + ptimer_transaction_commit(st->ptimer); } break; @@ -XXX,XX +XXX,XX @@ static void mss_timer_init(Object *obj) for (i = 0; i < NUM_TIMERS; i++) { struct Msf2Timer *st = &t->timers[i]; - st->bh = qemu_bh_new(timer_hit, st); - st->ptimer = ptimer_init_with_bh(st->bh, PTIMER_POLICY_DEFAULT); + st->ptimer = ptimer_init(timer_hit, st, PTIMER_POLICY_DEFAULT); + ptimer_transaction_begin(st->ptimer); ptimer_set_freq(st->ptimer, t->freq_hz); + ptimer_transaction_commit(st->ptimer); sysbus_init_irq(SYS_BUS_DEVICE(obj), &st->irq); } -- 2.20.1 Switch the cmsdk-apb-watchdog code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-21-peter.maydell@linaro.org --- hw/watchdog/cmsdk-apb-watchdog.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/hw/watchdog/cmsdk-apb-watchdog.c b/hw/watchdog/cmsdk-apb-watchdog.c index XXXXXXX..XXXXXXX 100644 --- a/hw/watchdog/cmsdk-apb-watchdog.c +++ b/hw/watchdog/cmsdk-apb-watchdog.c @@ -XXX,XX +XXX,XX @@ #include "qemu/log.h" #include "trace.h" #include "qapi/error.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "sysemu/watchdog.h" #include "hw/sysbus.h" @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_watchdog_write(void *opaque, hwaddr offset, * Reset the load value and the current count, and make sure * we're counting. */ + ptimer_transaction_begin(s->timer); ptimer_set_limit(s->timer, value, 1); ptimer_run(s->timer, 0); + ptimer_transaction_commit(s->timer); break; case A_WDOGCONTROL: if (s->is_luminary && 0 != (R_WDOGCONTROL_INTEN_MASK & s->control)) { @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_watchdog_write(void *opaque, hwaddr offset, break; case A_WDOGINTCLR: s->intstatus = 0; + ptimer_transaction_begin(s->timer); ptimer_set_count(s->timer, ptimer_get_limit(s->timer)); + ptimer_transaction_commit(s->timer); cmsdk_apb_watchdog_update(s); break; case A_WDOGLOCK: @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_watchdog_reset(DeviceState *dev) s->itop = 0; s->resetstatus = 0; /* Set the limit and the count */ + ptimer_transaction_begin(s->timer); ptimer_set_limit(s->timer, 0xffffffff, 1); ptimer_run(s->timer, 0); + ptimer_transaction_commit(s->timer); } static void cmsdk_apb_watchdog_init(Object *obj) @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_watchdog_init(Object *obj) static void cmsdk_apb_watchdog_realize(DeviceState *dev, Error **errp) { CMSDKAPBWatchdog *s = CMSDK_APB_WATCHDOG(dev); - QEMUBH *bh; if (s->wdogclk_frq == 0) { error_setg(errp, @@ -XXX,XX +XXX,XX @@ static void cmsdk_apb_watchdog_realize(DeviceState *dev, Error **errp) return; } - bh = qemu_bh_new(cmsdk_apb_watchdog_tick, s); - s->timer = ptimer_init_with_bh(bh, + s->timer = ptimer_init(cmsdk_apb_watchdog_tick, s, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); + ptimer_transaction_begin(s->timer); ptimer_set_freq(s->timer, s->wdogclk_frq); + ptimer_transaction_commit(s->timer); } static const VMStateDescription cmsdk_apb_watchdog_vmstate = { -- 2.20.1 Switch the cmsdk-apb-watchdog code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191008171740.9679-22-peter.maydell@linaro.org --- hw/net/lan9118.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c index XXXXXXX..XXXXXXX 100644 --- a/hw/net/lan9118.c +++ b/hw/net/lan9118.c @@ -XXX,XX +XXX,XX @@ #include "hw/ptimer.h" #include "hw/qdev-properties.h" #include "qemu/log.h" -#include "qemu/main-loop.h" #include "qemu/module.h" /* For crc32 */ #include <zlib.h> @@ -XXX,XX +XXX,XX @@ static void lan9118_reset(DeviceState *d) s->e2p_data = 0; s->free_timer_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 40; + ptimer_transaction_begin(s->timer); ptimer_stop(s->timer); ptimer_set_count(s->timer, 0xffff); + ptimer_transaction_commit(s->timer); s->gpt_cfg = 0xffff; s->mac_cr = MAC_CR_PRMS; @@ -XXX,XX +XXX,XX @@ static void lan9118_writel(void *opaque, hwaddr offset, break; case CSR_GPT_CFG: if ((s->gpt_cfg ^ val) & GPT_TIMER_EN) { + ptimer_transaction_begin(s->timer); if (val & GPT_TIMER_EN) { ptimer_set_count(s->timer, val & 0xffff); ptimer_run(s->timer, 0); @@ -XXX,XX +XXX,XX @@ static void lan9118_writel(void *opaque, hwaddr offset, ptimer_stop(s->timer); ptimer_set_count(s->timer, 0xffff); } + ptimer_transaction_commit(s->timer); } s->gpt_cfg = val & (GPT_TIMER_EN | 0xffff); break; @@ -XXX,XX +XXX,XX @@ static void lan9118_realize(DeviceState *dev, Error **errp) { SysBusDevice *sbd = SYS_BUS_DEVICE(dev); lan9118_state *s = LAN9118(dev); - QEMUBH *bh; int i; const MemoryRegionOps *mem_ops = s->mode_16bit ? &lan9118_16bit_mem_ops : &lan9118_mem_ops; @@ -XXX,XX +XXX,XX @@ static void lan9118_realize(DeviceState *dev, Error **errp) s->pmt_ctrl = 1; s->txp = &s->tx_packet; - bh = qemu_bh_new(lan9118_tick, s); - s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT); + s->timer = ptimer_init(lan9118_tick, s, PTIMER_POLICY_DEFAULT); + ptimer_transaction_begin(s->timer); ptimer_set_freq(s->timer, 10000); ptimer_set_limit(s->timer, 0xffff, 1); + ptimer_transaction_commit(s->timer); } static Property lan9118_properties[] = { -- 2.20.1 The set_swi_errno() function is called to capture the errno from a host system call, so that we can return -1 from the semihosting function and later allow the guest to get a more specific error code with the SYS_ERRNO function. It comes in two versions, one for user-only and one for softmmu. We forgot to capture the errno in the softmmu version; fix the error. (Semihosting calls directed to gdb are unaffected because they go through a different code path that captures the error return from the gdbstub call in arm_semi_cb() or arm_semi_flen_cb().) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-2-peter.maydell@linaro.org --- target/arm/arm-semi.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static inline uint32_t set_swi_errno(TaskState *ts, uint32_t code) return code; } #else +static target_ulong syscall_err; + static inline uint32_t set_swi_errno(CPUARMState *env, uint32_t code) { + if (code == (uint32_t)-1) { + syscall_err = errno; + } return code; } @@ -XXX,XX +XXX,XX @@ static inline uint32_t set_swi_errno(CPUARMState *env, uint32_t code) static target_ulong arm_semi_syscall_len; -#if !defined(CONFIG_USER_ONLY) -static target_ulong syscall_err; -#endif - static void arm_semi_cb(CPUState *cs, target_ulong ret, target_ulong err) { ARMCPU *cpu = ARM_CPU(cs); -- 2.20.1 If we fail a semihosting call we should always set the semihosting errno to something; we were failing to do this for some of the "check inputs for sanity" cases. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-3-peter.maydell@linaro.org --- target/arm/arm-semi.c | 45 ++++++++++++++++++++++++++----------------- 1 file changed, 27 insertions(+), 18 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, #define GET_ARG(n) do { \ if (is_a64(env)) { \ if (get_user_u64(arg ## n, args + (n) * 8)) { \ - return -1; \ + errno = EFAULT; \ + return set_swi_errno(ts, -1); \ } \ } else { \ if (get_user_u32(arg ## n, args + (n) * 4)) { \ - return -1; \ + errno = EFAULT; \ + return set_swi_errno(ts, -1); \ } \ } \ } while (0) @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) GET_ARG(2); s = lock_user_string(arg0); if (!s) { - /* FIXME - should this error code be -TARGET_EFAULT ? */ - return (uint32_t)-1; + errno = EFAULT; + return set_swi_errno(ts, -1); } if (arg1 >= 12) { unlock_user(s, arg0, 0); - return (uint32_t)-1; + errno = EINVAL; + return set_swi_errno(ts, -1); } if (strcmp(s, ":tt") == 0) { int result_fileno = arg1 < 4 ? STDIN_FILENO : STDOUT_FILENO; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) } else { s = lock_user_string(arg0); if (!s) { - /* FIXME - should this error code be -TARGET_EFAULT ? */ - return (uint32_t)-1; + errno = EFAULT; + return set_swi_errno(ts, -1); } ret = set_swi_errno(ts, remove(s)); unlock_user(s, arg0, 0); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) char *s2; s = lock_user_string(arg0); s2 = lock_user_string(arg2); - if (!s || !s2) - /* FIXME - should this error code be -TARGET_EFAULT ? */ - ret = (uint32_t)-1; - else + if (!s || !s2) { + errno = EFAULT; + ret = set_swi_errno(ts, -1); + } else { ret = set_swi_errno(ts, rename(s, s2)); + } if (s2) unlock_user(s2, arg2, 0); if (s) @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) } else { s = lock_user_string(arg0); if (!s) { - /* FIXME - should this error code be -TARGET_EFAULT ? */ - return (uint32_t)-1; + errno = EFAULT; + return set_swi_errno(ts, -1); } ret = set_swi_errno(ts, system(s)); unlock_user(s, arg0, 0); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) if (output_size > input_size) { /* Not enough space to store command-line arguments. */ - return -1; + errno = E2BIG; + return set_swi_errno(ts, -1); } /* Adjust the command-line length. */ if (SET_ARG(1, output_size - 1)) { /* Couldn't write back to argument block */ - return -1; + errno = EFAULT; + return set_swi_errno(ts, -1); } /* Lock the buffer on the ARM side. */ output_buffer = lock_user(VERIFY_WRITE, arg0, output_size, 0); if (!output_buffer) { - return -1; + errno = EFAULT; + return set_swi_errno(ts, -1); } /* Copy the command-line arguments. */ @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) if (copy_from_user(output_buffer, ts->info->arg_start, output_size)) { - status = -1; + errno = EFAULT; + status = set_swi_errno(ts, -1); goto out; } @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) if (fail) { /* Couldn't write back to argument block */ - return -1; + errno = EFAULT; + return set_swi_errno(ts, -1); } } return 0; -- 2.20.1 In arm_gdb_syscall() we have a comment suggesting a race because the syscall completion callback might not happen before the gdb_do_syscallv() call returns. The comment is correct that the callback may not happen but incorrect about the effects. Correct it and note the important caveat that callers must never do any work of any kind after return from arm_gdb_syscall() that depends on its return value. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-4-peter.maydell@linaro.org --- target/arm/arm-semi.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, gdb_do_syscallv(cb, fmt, va); va_end(va); - /* FIXME: we are implicitly relying on the syscall completing - * before this point, which is not guaranteed. We should - * put in an explicit synchronization between this and - * the callback function. + /* + * FIXME: in softmmu mode, the gdbstub will schedule our callback + * to occur, but will not actually call it to complete the syscall + * until after this function has returned and we are back in the + * CPU main loop. Therefore callers to this function must not + * do anything with its return value, because it is not necessarily + * the result of the syscall, but could just be the old value of X0. + * The only thing safe to do with this is that the callers of + * do_arm_semihosting() will write it straight back into X0. + * (In linux-user mode, the callback will have happened before + * gdb_do_syscallv() returns.) + * + * We should tidy this up so neither this function nor + * do_arm_semihosting() return a value, so the mistake of + * doing something with the return value is not possible to make. */ return is_a64(env) ? env->xregs[0] : env->regs[0]; -- 2.20.1 Currently the Arm semihosting code returns the guest file descriptors (handles) which are simply the fd values from the host OS or the remote gdbstub. Part of the semihosting 2.0 specification requires that we implement special handling of opening a ":semihosting-features" filename. Guest fds which result from opening the special file won't correspond to host fds, so to ensure that we don't end up with duplicate fds we need to have QEMU code control the allocation of the fd values we give the guest. Add in an abstraction layer which lets us allocate new guest FD values, and translate from a guest FD value back to the host one. This also fixes an odd hole where a semihosting guest could use the semihosting API to read, write or close file descriptors that it had never allocated but which were being used by QEMU itself. (This isn't a security hole, because enabling semihosting permits the guest to do arbitrary file access to the whole host filesystem, and so should only be done if the guest is completely trusted.) Currently the only kind of guest fd is one which maps to a host fd, but in a following commit we will add one which maps to the :semihosting-features magic data. If the guest is migrated with an open semihosting file descriptor then subsequent attempts to use the fd will all fail; this is not a change from the previous situation (where the host fd being used on the source end would not be re-opened on the destination end). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-5-peter.maydell@linaro.org --- target/arm/arm-semi.c | 232 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 216 insertions(+), 16 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static int open_modeflags[12] = { O_RDWR | O_CREAT | O_APPEND | O_BINARY }; +typedef enum GuestFDType { + GuestFDUnused = 0, + GuestFDHost = 1, +} GuestFDType; + +/* + * Guest file descriptors are integer indexes into an array of + * these structures (we will dynamically resize as necessary). + */ +typedef struct GuestFD { + GuestFDType type; + int hostfd; +} GuestFD; + +static GArray *guestfd_array; + +/* + * Allocate a new guest file descriptor and return it; if we + * couldn't allocate a new fd then return -1. + * This is a fairly simplistic implementation because we don't + * expect that most semihosting guest programs will make very + * heavy use of opening and closing fds. + */ +static int alloc_guestfd(void) +{ + guint i; + + if (!guestfd_array) { + /* New entries zero-initialized, i.e. type GuestFDUnused */ + guestfd_array = g_array_new(FALSE, TRUE, sizeof(GuestFD)); + } + + for (i = 0; i < guestfd_array->len; i++) { + GuestFD *gf = &g_array_index(guestfd_array, GuestFD, i); + + if (gf->type == GuestFDUnused) { + return i; + } + } + + /* All elements already in use: expand the array */ + g_array_set_size(guestfd_array, i + 1); + return i; +} + +/* + * Look up the guestfd in the data structure; return NULL + * for out of bounds, but don't check whether the slot is unused. + * This is used internally by the other guestfd functions. + */ +static GuestFD *do_get_guestfd(int guestfd) +{ + if (!guestfd_array) { + return NULL; + } + + if (guestfd < 0 || guestfd >= guestfd_array->len) { + return NULL; + } + + return &g_array_index(guestfd_array, GuestFD, guestfd); +} + +/* + * Associate the specified guest fd (which must have been + * allocated via alloc_fd() and not previously used) with + * the specified host fd. + */ +static void associate_guestfd(int guestfd, int hostfd) +{ + GuestFD *gf = do_get_guestfd(guestfd); + + assert(gf); + gf->type = GuestFDHost; + gf->hostfd = hostfd; +} + +/* + * Deallocate the specified guest file descriptor. This doesn't + * close the host fd, it merely undoes the work of alloc_fd(). + */ +static void dealloc_guestfd(int guestfd) +{ + GuestFD *gf = do_get_guestfd(guestfd); + + assert(gf); + gf->type = GuestFDUnused; +} + +/* + * Given a guest file descriptor, get the associated struct. + * If the fd is not valid, return NULL. This is the function + * used by the various semihosting calls to validate a handle + * from the guest. + * Note: calling alloc_guestfd() or dealloc_guestfd() will + * invalidate any GuestFD* obtained by calling this function. + */ +static GuestFD *get_guestfd(int guestfd) +{ + GuestFD *gf = do_get_guestfd(guestfd); + + if (!gf || gf->type == GuestFDUnused) { + return NULL; + } + return gf; +} + #ifdef CONFIG_USER_ONLY static inline uint32_t set_swi_errno(TaskState *ts, uint32_t code) { @@ -XXX,XX +XXX,XX @@ static void arm_semi_flen_cb(CPUState *cs, target_ulong ret, target_ulong err) #endif } +static int arm_semi_open_guestfd; + +static void arm_semi_open_cb(CPUState *cs, target_ulong ret, target_ulong err) +{ + ARMCPU *cpu = ARM_CPU(cs); + CPUARMState *env = &cpu->env; +#ifdef CONFIG_USER_ONLY + TaskState *ts = cs->opaque; +#endif + if (ret == (target_ulong)-1) { +#ifdef CONFIG_USER_ONLY + ts->swi_errno = err; +#else + syscall_err = err; +#endif + dealloc_guestfd(arm_semi_open_guestfd); + } else { + associate_guestfd(arm_semi_open_guestfd, ret); + ret = arm_semi_open_guestfd; + } + + if (is_a64(env)) { + env->xregs[0] = ret; + } else { + env->regs[0] = ret; + } +} + static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, const char *fmt, ...) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) #else CPUARMState *ts = env; #endif + GuestFD *gf; if (is_a64(env)) { /* Note that the syscall number is in W0, not X0 */ @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) switch (nr) { case TARGET_SYS_OPEN: + { + int guestfd; + GET_ARG(0); GET_ARG(1); GET_ARG(2); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) errno = EINVAL; return set_swi_errno(ts, -1); } + + guestfd = alloc_guestfd(); + if (guestfd < 0) { + unlock_user(s, arg0, 0); + errno = EMFILE; + return set_swi_errno(ts, -1); + } + if (strcmp(s, ":tt") == 0) { int result_fileno = arg1 < 4 ? STDIN_FILENO : STDOUT_FILENO; + associate_guestfd(guestfd, result_fileno); unlock_user(s, arg0, 0); - return result_fileno; + return guestfd; } if (use_gdb_syscalls()) { - ret = arm_gdb_syscall(cpu, arm_semi_cb, "open,%s,%x,1a4", arg0, + arm_semi_open_guestfd = guestfd; + ret = arm_gdb_syscall(cpu, arm_semi_open_cb, "open,%s,%x,1a4", arg0, (int)arg2+1, gdb_open_modeflags[arg1]); } else { ret = set_swi_errno(ts, open(s, open_modeflags[arg1], 0644)); + if (ret == (uint32_t)-1) { + dealloc_guestfd(guestfd); + } else { + associate_guestfd(guestfd, ret); + ret = guestfd; + } } unlock_user(s, arg0, 0); return ret; + } case TARGET_SYS_CLOSE: GET_ARG(0); - if (use_gdb_syscalls()) { - return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", arg0); - } else { - return set_swi_errno(ts, close(arg0)); + + gf = get_guestfd(arg0); + if (!gf) { + errno = EBADF; + return set_swi_errno(ts, -1); } + + if (use_gdb_syscalls()) { + ret = arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); + } else { + ret = set_swi_errno(ts, close(gf->hostfd)); + } + dealloc_guestfd(arg0); + return ret; case TARGET_SYS_WRITEC: qemu_semihosting_console_outc(env, args); return 0xdeadbeef; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) GET_ARG(1); GET_ARG(2); len = arg2; + + gf = get_guestfd(arg0); + if (!gf) { + errno = EBADF; + return set_swi_errno(ts, -1); + } + if (use_gdb_syscalls()) { arm_semi_syscall_len = len; return arm_gdb_syscall(cpu, arm_semi_cb, "write,%x,%x,%x", - arg0, arg1, len); + gf->hostfd, arg1, len); } else { s = lock_user(VERIFY_READ, arg1, len, 1); if (!s) { /* Return bytes not written on error */ return len; } - ret = set_swi_errno(ts, write(arg0, s, len)); + ret = set_swi_errno(ts, write(gf->hostfd, s, len)); unlock_user(s, arg1, 0); if (ret == (uint32_t)-1) { ret = 0; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) GET_ARG(1); GET_ARG(2); len = arg2; + + gf = get_guestfd(arg0); + if (!gf) { + errno = EBADF; + return set_swi_errno(ts, -1); + } + if (use_gdb_syscalls()) { arm_semi_syscall_len = len; return arm_gdb_syscall(cpu, arm_semi_cb, "read,%x,%x,%x", - arg0, arg1, len); + gf->hostfd, arg1, len); } else { s = lock_user(VERIFY_WRITE, arg1, len, 0); if (!s) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return len; } do { - ret = set_swi_errno(ts, read(arg0, s, len)); + ret = set_swi_errno(ts, read(gf->hostfd, s, len)); } while (ret == -1 && errno == EINTR); unlock_user(s, arg1, len); if (ret == (uint32_t)-1) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return 0; case TARGET_SYS_ISTTY: GET_ARG(0); + + gf = get_guestfd(arg0); + if (!gf) { + errno = EBADF; + return set_swi_errno(ts, -1); + } + if (use_gdb_syscalls()) { - return arm_gdb_syscall(cpu, arm_semi_cb, "isatty,%x", arg0); + return arm_gdb_syscall(cpu, arm_semi_cb, "isatty,%x", gf->hostfd); } else { - return isatty(arg0); + return isatty(gf->hostfd); } case TARGET_SYS_SEEK: GET_ARG(0); GET_ARG(1); + + gf = get_guestfd(arg0); + if (!gf) { + errno = EBADF; + return set_swi_errno(ts, -1); + } + if (use_gdb_syscalls()) { return arm_gdb_syscall(cpu, arm_semi_cb, "lseek,%x,%x,0", - arg0, arg1); + gf->hostfd, arg1); } else { - ret = set_swi_errno(ts, lseek(arg0, arg1, SEEK_SET)); + ret = set_swi_errno(ts, lseek(gf->hostfd, arg1, SEEK_SET)); if (ret == (uint32_t)-1) return -1; return 0; } case TARGET_SYS_FLEN: GET_ARG(0); + + gf = get_guestfd(arg0); + if (!gf) { + errno = EBADF; + return set_swi_errno(ts, -1); + } + if (use_gdb_syscalls()) { return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x", - arg0, arm_flen_buf(cpu)); + gf->hostfd, arm_flen_buf(cpu)); } else { struct stat buf; - ret = set_swi_errno(ts, fstat(arg0, &buf)); + ret = set_swi_errno(ts, fstat(gf->hostfd, &buf)); if (ret == (uint32_t)-1) return -1; return buf.st_size; -- 2.20.1 The semihosting code needs accuss to the linux-user only TaskState pointer so it can set the semihosting errno per-thread for linux-user mode. At the moment we do this by having some ifdefs so that we define a 'ts' local in do_arm_semihosting() which is either a real TaskState * or just a CPUARMState *, depending on which mode we're compiling for. This is awkward if we want to refactor do_arm_semihosting() into other functions which might need to be passed the TaskState. Restrict usage of the TaskState local by: * making set_swi_errno() always take the CPUARMState pointer and (for the linux-user version) get TaskState from that * creating a new get_swi_errno() which reads the errno * having the two semihosting calls which need the TaskState for other purposes (SYS_GET_CMDLINE and SYS_HEAPINFO) define a variable with scope restricted to just that code Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-6-peter.maydell@linaro.org --- target/arm/arm-semi.c | 111 ++++++++++++++++++++++++------------------ 1 file changed, 63 insertions(+), 48 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static GuestFD *get_guestfd(int guestfd) return gf; } -#ifdef CONFIG_USER_ONLY -static inline uint32_t set_swi_errno(TaskState *ts, uint32_t code) -{ - if (code == (uint32_t)-1) - ts->swi_errno = errno; - return code; -} -#else +/* + * The semihosting API has no concept of its errno being thread-safe, + * as the API design predates SMP CPUs and was intended as a simple + * real-hardware set of debug functionality. For QEMU, we make the + * errno be per-thread in linux-user mode; in softmmu it is a simple + * global, and we assume that the guest takes care of avoiding any races. + */ +#ifndef CONFIG_USER_ONLY static target_ulong syscall_err; +#include "exec/softmmu-semi.h" +#endif + static inline uint32_t set_swi_errno(CPUARMState *env, uint32_t code) { if (code == (uint32_t)-1) { +#ifdef CONFIG_USER_ONLY + CPUState *cs = env_cpu(env); + TaskState *ts = cs->opaque; + + ts->swi_errno = errno; +#else syscall_err = errno; +#endif } return code; } -#include "exec/softmmu-semi.h" +static inline uint32_t get_swi_errno(CPUARMState *env) +{ +#ifdef CONFIG_USER_ONLY + CPUState *cs = env_cpu(env); + TaskState *ts = cs->opaque; + + return ts->swi_errno; +#else + return syscall_err; #endif +} static target_ulong arm_semi_syscall_len; @@ -XXX,XX +XXX,XX @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, if (is_a64(env)) { \ if (get_user_u64(arg ## n, args + (n) * 8)) { \ errno = EFAULT; \ - return set_swi_errno(ts, -1); \ + return set_swi_errno(env, -1); \ } \ } else { \ if (get_user_u32(arg ## n, args + (n) * 4)) { \ errno = EFAULT; \ - return set_swi_errno(ts, -1); \ + return set_swi_errno(env, -1); \ } \ } \ } while (0) @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) int nr; uint32_t ret; uint32_t len; -#ifdef CONFIG_USER_ONLY - TaskState *ts = cs->opaque; -#else - CPUARMState *ts = env; -#endif GuestFD *gf; if (is_a64(env)) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) s = lock_user_string(arg0); if (!s) { errno = EFAULT; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (arg1 >= 12) { unlock_user(s, arg0, 0); errno = EINVAL; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } guestfd = alloc_guestfd(); if (guestfd < 0) { unlock_user(s, arg0, 0); errno = EMFILE; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (strcmp(s, ":tt") == 0) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) ret = arm_gdb_syscall(cpu, arm_semi_open_cb, "open,%s,%x,1a4", arg0, (int)arg2+1, gdb_open_modeflags[arg1]); } else { - ret = set_swi_errno(ts, open(s, open_modeflags[arg1], 0644)); + ret = set_swi_errno(env, open(s, open_modeflags[arg1], 0644)); if (ret == (uint32_t)-1) { dealloc_guestfd(guestfd); } else { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf = get_guestfd(arg0); if (!gf) { errno = EBADF; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (use_gdb_syscalls()) { ret = arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); } else { - ret = set_swi_errno(ts, close(gf->hostfd)); + ret = set_swi_errno(env, close(gf->hostfd)); } dealloc_guestfd(arg0); return ret; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf = get_guestfd(arg0); if (!gf) { errno = EBADF; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (use_gdb_syscalls()) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) /* Return bytes not written on error */ return len; } - ret = set_swi_errno(ts, write(gf->hostfd, s, len)); + ret = set_swi_errno(env, write(gf->hostfd, s, len)); unlock_user(s, arg1, 0); if (ret == (uint32_t)-1) { ret = 0; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf = get_guestfd(arg0); if (!gf) { errno = EBADF; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (use_gdb_syscalls()) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return len; } do { - ret = set_swi_errno(ts, read(gf->hostfd, s, len)); + ret = set_swi_errno(env, read(gf->hostfd, s, len)); } while (ret == -1 && errno == EINTR); unlock_user(s, arg1, len); if (ret == (uint32_t)-1) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf = get_guestfd(arg0); if (!gf) { errno = EBADF; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (use_gdb_syscalls()) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf = get_guestfd(arg0); if (!gf) { errno = EBADF; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (use_gdb_syscalls()) { return arm_gdb_syscall(cpu, arm_semi_cb, "lseek,%x,%x,0", gf->hostfd, arg1); } else { - ret = set_swi_errno(ts, lseek(gf->hostfd, arg1, SEEK_SET)); + ret = set_swi_errno(env, lseek(gf->hostfd, arg1, SEEK_SET)); if (ret == (uint32_t)-1) return -1; return 0; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf = get_guestfd(arg0); if (!gf) { errno = EBADF; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } if (use_gdb_syscalls()) { @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) gf->hostfd, arm_flen_buf(cpu)); } else { struct stat buf; - ret = set_swi_errno(ts, fstat(gf->hostfd, &buf)); + ret = set_swi_errno(env, fstat(gf->hostfd, &buf)); if (ret == (uint32_t)-1) return -1; return buf.st_size; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) s = lock_user_string(arg0); if (!s) { errno = EFAULT; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } - ret = set_swi_errno(ts, remove(s)); + ret = set_swi_errno(env, remove(s)); unlock_user(s, arg0, 0); } return ret; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) s2 = lock_user_string(arg2); if (!s || !s2) { errno = EFAULT; - ret = set_swi_errno(ts, -1); + ret = set_swi_errno(env, -1); } else { - ret = set_swi_errno(ts, rename(s, s2)); + ret = set_swi_errno(env, rename(s, s2)); } if (s2) unlock_user(s2, arg2, 0); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) case TARGET_SYS_CLOCK: return clock() / (CLOCKS_PER_SEC / 100); case TARGET_SYS_TIME: - return set_swi_errno(ts, time(NULL)); + return set_swi_errno(env, time(NULL)); case TARGET_SYS_SYSTEM: GET_ARG(0); GET_ARG(1); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) s = lock_user_string(arg0); if (!s) { errno = EFAULT; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } - ret = set_swi_errno(ts, system(s)); + ret = set_swi_errno(env, system(s)); unlock_user(s, arg0, 0); return ret; } case TARGET_SYS_ERRNO: -#ifdef CONFIG_USER_ONLY - return ts->swi_errno; -#else - return syscall_err; -#endif + return get_swi_errno(env); case TARGET_SYS_GET_CMDLINE: { /* Build a command-line from the original argv. @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) int status = 0; #if !defined(CONFIG_USER_ONLY) const char *cmdline; +#else + TaskState *ts = cs->opaque; #endif GET_ARG(0); GET_ARG(1); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) if (output_size > input_size) { /* Not enough space to store command-line arguments. */ errno = E2BIG; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } /* Adjust the command-line length. */ if (SET_ARG(1, output_size - 1)) { /* Couldn't write back to argument block */ errno = EFAULT; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } /* Lock the buffer on the ARM side. */ output_buffer = lock_user(VERIFY_WRITE, arg0, output_size, 0); if (!output_buffer) { errno = EFAULT; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } /* Copy the command-line arguments. */ @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) if (copy_from_user(output_buffer, ts->info->arg_start, output_size)) { errno = EFAULT; - status = set_swi_errno(ts, -1); + status = set_swi_errno(env, -1); goto out; } @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) target_ulong retvals[4]; target_ulong limit; int i; +#ifdef CONFIG_USER_ONLY + TaskState *ts = cs->opaque; +#endif GET_ARG(0); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) if (fail) { /* Couldn't write back to argument block */ errno = EFAULT; - return set_swi_errno(ts, -1); + return set_swi_errno(env, -1); } } return 0; -- 2.20.1 When we are routing semihosting operations through the gdbstub, the work of sorting out the return value and setting errno if necessary is done by callback functions which are invoked by the gdbstub code. Clean up some ifdeffery in those functions by having them call set_swi_errno() to set the semihosting errno. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-7-peter.maydell@linaro.org --- target/arm/arm-semi.c | 27 ++++++--------------------- 1 file changed, 6 insertions(+), 21 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static void arm_semi_cb(CPUState *cs, target_ulong ret, target_ulong err) { ARMCPU *cpu = ARM_CPU(cs); CPUARMState *env = &cpu->env; -#ifdef CONFIG_USER_ONLY - TaskState *ts = cs->opaque; -#endif target_ulong reg0 = is_a64(env) ? env->xregs[0] : env->regs[0]; if (ret == (target_ulong)-1) { -#ifdef CONFIG_USER_ONLY - ts->swi_errno = err; -#else - syscall_err = err; -#endif + errno = err; + set_swi_errno(env, -1); reg0 = ret; } else { /* Fixup syscalls that use nonstardard return conventions. */ @@ -XXX,XX +XXX,XX @@ static void arm_semi_flen_cb(CPUState *cs, target_ulong ret, target_ulong err) } else { env->regs[0] = size; } -#ifdef CONFIG_USER_ONLY - ((TaskState *)cs->opaque)->swi_errno = err; -#else - syscall_err = err; -#endif + errno = err; + set_swi_errno(env, -1); } static int arm_semi_open_guestfd; @@ -XXX,XX +XXX,XX @@ static void arm_semi_open_cb(CPUState *cs, target_ulong ret, target_ulong err) { ARMCPU *cpu = ARM_CPU(cs); CPUARMState *env = &cpu->env; -#ifdef CONFIG_USER_ONLY - TaskState *ts = cs->opaque; -#endif if (ret == (target_ulong)-1) { -#ifdef CONFIG_USER_ONLY - ts->swi_errno = err; -#else - syscall_err = err; -#endif + errno = err; + set_swi_errno(env, -1); dealloc_guestfd(arm_semi_open_guestfd); } else { associate_guestfd(arm_semi_open_guestfd, ret); -- 2.20.1 Currently for the semihosting calls which take a file descriptor (SYS_CLOSE, SYS_WRITE, SYS_READ, SYS_ISTTY, SYS_SEEK, SYS_FLEN) we have effectively two implementations, one for real host files and one for when we indirect via the gdbstub. We want to add a third one to deal with the magic :semihosting-features file. Instead of having a three-way if statement in each of these cases, factor out the implementation of the calls to separate functions which we dispatch to via function pointers selected via the GuestFDType for the guest fd. In this commit, we set up the framework for the dispatch, and convert the SYS_CLOSE call to use it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-8-peter.maydell@linaro.org --- target/arm/arm-semi.c | 44 ++++++++++++++++++++++++++++++++++++------- 1 file changed, 37 insertions(+), 7 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static int open_modeflags[12] = { typedef enum GuestFDType { GuestFDUnused = 0, GuestFDHost = 1, + GuestFDGDB = 2, } GuestFDType; /* @@ -XXX,XX +XXX,XX @@ static GuestFD *do_get_guestfd(int guestfd) /* * Associate the specified guest fd (which must have been * allocated via alloc_fd() and not previously used) with - * the specified host fd. + * the specified host/gdb fd. */ static void associate_guestfd(int guestfd, int hostfd) { GuestFD *gf = do_get_guestfd(guestfd); assert(gf); - gf->type = GuestFDHost; + gf->type = use_gdb_syscalls() ? GuestFDGDB : GuestFDHost; gf->hostfd = hostfd; } @@ -XXX,XX +XXX,XX @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, return is_a64(env) ? env->xregs[0] : env->regs[0]; } +/* + * Types for functions implementing various semihosting calls + * for specific types of guest file descriptor. These must all + * do the work and return the required return value for the guest, + * setting the guest errno if appropriate. + */ +typedef uint32_t sys_closefn(ARMCPU *cpu, GuestFD *gf); + +static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) +{ + CPUARMState *env = &cpu->env; + + return set_swi_errno(env, close(gf->hostfd)); +} + +static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf) +{ + return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); +} + +typedef struct GuestFDFunctions { + sys_closefn *closefn; +} GuestFDFunctions; + +static const GuestFDFunctions guestfd_fns[] = { + [GuestFDHost] = { + .closefn = host_closefn, + }, + [GuestFDGDB] = { + .closefn = gdb_closefn, + }, +}; + /* Read the input value from the argument block; fail the semihosting * call if the memory read fails. */ @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return set_swi_errno(env, -1); } - if (use_gdb_syscalls()) { - ret = arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); - } else { - ret = set_swi_errno(env, close(gf->hostfd)); - } + ret = guestfd_fns[gf->type].closefn(cpu, gf); dealloc_guestfd(arg0); return ret; case TARGET_SYS_WRITEC: -- 2.20.1 Factor out the implementation of SYS_WRITE via the new function tables. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190916141544.17540-9-peter.maydell@linaro.org --- target/arm/arm-semi.c | 51 ++++++++++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 18 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, * setting the guest errno if appropriate. */ typedef uint32_t sys_closefn(ARMCPU *cpu, GuestFD *gf); +typedef uint32_t sys_writefn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len); static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) { @@ -XXX,XX +XXX,XX @@ static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) return set_swi_errno(env, close(gf->hostfd)); } +static uint32_t host_writefn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len) +{ + uint32_t ret; + CPUARMState *env = &cpu->env; + char *s = lock_user(VERIFY_READ, buf, len, 1); + if (!s) { + /* Return bytes not written on error */ + return len; + } + ret = set_swi_errno(env, write(gf->hostfd, s, len)); + unlock_user(s, buf, 0); + if (ret == (uint32_t)-1) { + ret = 0; + } + /* Return bytes not written */ + return len - ret; +} + static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf) { return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); } +static uint32_t gdb_writefn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len) +{ + arm_semi_syscall_len = len; + return arm_gdb_syscall(cpu, arm_semi_cb, "write,%x,%x,%x", + gf->hostfd, buf, len); +} + typedef struct GuestFDFunctions { sys_closefn *closefn; + sys_writefn *writefn; } GuestFDFunctions; static const GuestFDFunctions guestfd_fns[] = { [GuestFDHost] = { .closefn = host_closefn, + .writefn = host_writefn, }, [GuestFDGDB] = { .closefn = gdb_closefn, + .writefn = gdb_writefn, }, }; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return set_swi_errno(env, -1); } - if (use_gdb_syscalls()) { - arm_semi_syscall_len = len; - return arm_gdb_syscall(cpu, arm_semi_cb, "write,%x,%x,%x", - gf->hostfd, arg1, len); - } else { - s = lock_user(VERIFY_READ, arg1, len, 1); - if (!s) { - /* Return bytes not written on error */ - return len; - } - ret = set_swi_errno(env, write(gf->hostfd, s, len)); - unlock_user(s, arg1, 0); - if (ret == (uint32_t)-1) { - ret = 0; - } - /* Return bytes not written */ - return len - ret; - } + return guestfd_fns[gf->type].writefn(cpu, gf, arg1, len); case TARGET_SYS_READ: GET_ARG(0); GET_ARG(1); -- 2.20.1 Factor out the implementation of SYS_READ via the new function tables. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190916141544.17540-10-peter.maydell@linaro.org --- target/arm/arm-semi.c | 55 +++++++++++++++++++++++++++---------------- 1 file changed, 35 insertions(+), 20 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, typedef uint32_t sys_closefn(ARMCPU *cpu, GuestFD *gf); typedef uint32_t sys_writefn(ARMCPU *cpu, GuestFD *gf, target_ulong buf, uint32_t len); +typedef uint32_t sys_readfn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len); static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) { @@ -XXX,XX +XXX,XX @@ static uint32_t host_writefn(ARMCPU *cpu, GuestFD *gf, return len - ret; } +static uint32_t host_readfn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len) +{ + uint32_t ret; + CPUARMState *env = &cpu->env; + char *s = lock_user(VERIFY_WRITE, buf, len, 0); + if (!s) { + /* return bytes not read */ + return len; + } + do { + ret = set_swi_errno(env, read(gf->hostfd, s, len)); + } while (ret == -1 && errno == EINTR); + unlock_user(s, buf, len); + if (ret == (uint32_t)-1) { + ret = 0; + } + /* Return bytes not read */ + return len - ret; +} + static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf) { return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_writefn(ARMCPU *cpu, GuestFD *gf, gf->hostfd, buf, len); } +static uint32_t gdb_readfn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len) +{ + arm_semi_syscall_len = len; + return arm_gdb_syscall(cpu, arm_semi_cb, "read,%x,%x,%x", + gf->hostfd, buf, len); +} + typedef struct GuestFDFunctions { sys_closefn *closefn; sys_writefn *writefn; + sys_readfn *readfn; } GuestFDFunctions; static const GuestFDFunctions guestfd_fns[] = { [GuestFDHost] = { .closefn = host_closefn, .writefn = host_writefn, + .readfn = host_readfn, }, [GuestFDGDB] = { .closefn = gdb_closefn, .writefn = gdb_writefn, + .readfn = gdb_readfn, }, }; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return set_swi_errno(env, -1); } - if (use_gdb_syscalls()) { - arm_semi_syscall_len = len; - return arm_gdb_syscall(cpu, arm_semi_cb, "read,%x,%x,%x", - gf->hostfd, arg1, len); - } else { - s = lock_user(VERIFY_WRITE, arg1, len, 0); - if (!s) { - /* return bytes not read */ - return len; - } - do { - ret = set_swi_errno(env, read(gf->hostfd, s, len)); - } while (ret == -1 && errno == EINTR); - unlock_user(s, arg1, len); - if (ret == (uint32_t)-1) { - ret = 0; - } - /* Return bytes not read */ - return len - ret; - } + return guestfd_fns[gf->type].readfn(cpu, gf, arg1, len); case TARGET_SYS_READC: qemu_log_mask(LOG_UNIMP, "%s: SYS_READC not implemented", __func__); return 0; -- 2.20.1 Factor out the implementation of SYS_ISTTY via the new function tables. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190916141544.17540-11-peter.maydell@linaro.org --- target/arm/arm-semi.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ typedef uint32_t sys_writefn(ARMCPU *cpu, GuestFD *gf, target_ulong buf, uint32_t len); typedef uint32_t sys_readfn(ARMCPU *cpu, GuestFD *gf, target_ulong buf, uint32_t len); +typedef uint32_t sys_isattyfn(ARMCPU *cpu, GuestFD *gf); static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) { @@ -XXX,XX +XXX,XX @@ static uint32_t host_readfn(ARMCPU *cpu, GuestFD *gf, return len - ret; } +static uint32_t host_isattyfn(ARMCPU *cpu, GuestFD *gf) +{ + return isatty(gf->hostfd); +} + static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf) { return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_readfn(ARMCPU *cpu, GuestFD *gf, gf->hostfd, buf, len); } +static uint32_t gdb_isattyfn(ARMCPU *cpu, GuestFD *gf) +{ + return arm_gdb_syscall(cpu, arm_semi_cb, "isatty,%x", gf->hostfd); +} + typedef struct GuestFDFunctions { sys_closefn *closefn; sys_writefn *writefn; sys_readfn *readfn; + sys_isattyfn *isattyfn; } GuestFDFunctions; static const GuestFDFunctions guestfd_fns[] = { @@ -XXX,XX +XXX,XX @@ static const GuestFDFunctions guestfd_fns[] = { .closefn = host_closefn, .writefn = host_writefn, .readfn = host_readfn, + .isattyfn = host_isattyfn, }, [GuestFDGDB] = { .closefn = gdb_closefn, .writefn = gdb_writefn, .readfn = gdb_readfn, + .isattyfn = gdb_isattyfn, }, }; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return set_swi_errno(env, -1); } - if (use_gdb_syscalls()) { - return arm_gdb_syscall(cpu, arm_semi_cb, "isatty,%x", gf->hostfd); - } else { - return isatty(gf->hostfd); - } + return guestfd_fns[gf->type].isattyfn(cpu, gf); case TARGET_SYS_SEEK: GET_ARG(0); GET_ARG(1); -- 2.20.1 Factor out the implementation of SYS_SEEK via the new function tables. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190916141544.17540-12-peter.maydell@linaro.org --- target/arm/arm-semi.c | 31 ++++++++++++++++++++++--------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ typedef uint32_t sys_writefn(ARMCPU *cpu, GuestFD *gf, typedef uint32_t sys_readfn(ARMCPU *cpu, GuestFD *gf, target_ulong buf, uint32_t len); typedef uint32_t sys_isattyfn(ARMCPU *cpu, GuestFD *gf); +typedef uint32_t sys_seekfn(ARMCPU *cpu, GuestFD *gf, + target_ulong offset); static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) { @@ -XXX,XX +XXX,XX @@ static uint32_t host_isattyfn(ARMCPU *cpu, GuestFD *gf) return isatty(gf->hostfd); } +static uint32_t host_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset) +{ + CPUARMState *env = &cpu->env; + uint32_t ret = set_swi_errno(env, lseek(gf->hostfd, offset, SEEK_SET)); + if (ret == (uint32_t)-1) { + return -1; + } + return 0; +} + static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf) { return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_isattyfn(ARMCPU *cpu, GuestFD *gf) return arm_gdb_syscall(cpu, arm_semi_cb, "isatty,%x", gf->hostfd); } +static uint32_t gdb_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset) +{ + return arm_gdb_syscall(cpu, arm_semi_cb, "lseek,%x,%x,0", + gf->hostfd, offset); +} + typedef struct GuestFDFunctions { sys_closefn *closefn; sys_writefn *writefn; sys_readfn *readfn; sys_isattyfn *isattyfn; + sys_seekfn *seekfn; } GuestFDFunctions; static const GuestFDFunctions guestfd_fns[] = { @@ -XXX,XX +XXX,XX @@ static const GuestFDFunctions guestfd_fns[] = { .writefn = host_writefn, .readfn = host_readfn, .isattyfn = host_isattyfn, + .seekfn = host_seekfn, }, [GuestFDGDB] = { .closefn = gdb_closefn, .writefn = gdb_writefn, .readfn = gdb_readfn, .isattyfn = gdb_isattyfn, + .seekfn = gdb_seekfn, }, }; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return set_swi_errno(env, -1); } - if (use_gdb_syscalls()) { - return arm_gdb_syscall(cpu, arm_semi_cb, "lseek,%x,%x,0", - gf->hostfd, arg1); - } else { - ret = set_swi_errno(env, lseek(gf->hostfd, arg1, SEEK_SET)); - if (ret == (uint32_t)-1) - return -1; - return 0; - } + return guestfd_fns[gf->type].seekfn(cpu, gf, arg1); case TARGET_SYS_FLEN: GET_ARG(0); -- 2.20.1 Factor out the implementation of SYS_FLEN via the new function tables. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190916141544.17540-13-peter.maydell@linaro.org --- target/arm/arm-semi.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ typedef uint32_t sys_readfn(ARMCPU *cpu, GuestFD *gf, typedef uint32_t sys_isattyfn(ARMCPU *cpu, GuestFD *gf); typedef uint32_t sys_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset); +typedef uint32_t sys_flenfn(ARMCPU *cpu, GuestFD *gf); static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf) { @@ -XXX,XX +XXX,XX @@ static uint32_t host_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset) return 0; } +static uint32_t host_flenfn(ARMCPU *cpu, GuestFD *gf) +{ + CPUARMState *env = &cpu->env; + struct stat buf; + uint32_t ret = set_swi_errno(env, fstat(gf->hostfd, &buf)); + if (ret == (uint32_t)-1) { + return -1; + } + return buf.st_size; +} + static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf) { return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd); @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_seekfn(ARMCPU *cpu, GuestFD *gf, target_ulong offset) gf->hostfd, offset); } +static uint32_t gdb_flenfn(ARMCPU *cpu, GuestFD *gf) +{ + return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x", + gf->hostfd, arm_flen_buf(cpu)); +} + typedef struct GuestFDFunctions { sys_closefn *closefn; sys_writefn *writefn; sys_readfn *readfn; sys_isattyfn *isattyfn; sys_seekfn *seekfn; + sys_flenfn *flenfn; } GuestFDFunctions; static const GuestFDFunctions guestfd_fns[] = { @@ -XXX,XX +XXX,XX @@ static const GuestFDFunctions guestfd_fns[] = { .readfn = host_readfn, .isattyfn = host_isattyfn, .seekfn = host_seekfn, + .flenfn = host_flenfn, }, [GuestFDGDB] = { .closefn = gdb_closefn, @@ -XXX,XX +XXX,XX @@ static const GuestFDFunctions guestfd_fns[] = { .readfn = gdb_readfn, .isattyfn = gdb_isattyfn, .seekfn = gdb_seekfn, + .flenfn = gdb_flenfn, }, }; @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return set_swi_errno(env, -1); } - if (use_gdb_syscalls()) { - return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x", - gf->hostfd, arm_flen_buf(cpu)); - } else { - struct stat buf; - ret = set_swi_errno(env, fstat(gf->hostfd, &buf)); - if (ret == (uint32_t)-1) - return -1; - return buf.st_size; - } + return guestfd_fns[gf->type].flenfn(cpu, gf); case TARGET_SYS_TMPNAM: qemu_log_mask(LOG_UNIMP, "%s: SYS_TMPNAM not implemented", __func__); return -1; -- 2.20.1 Version 2.0 of the semihosting specification added support for allowing a guest to detect whether the implementation supported particular features. This works by the guest opening a magic file ":semihosting-features", which contains a fixed set of data with some magic numbers followed by a sequence of bytes with feature flags. The file is expected to behave sensibly for the various semihosting calls which operate on files (SYS_FLEN, SYS_SEEK, etc). Implement this as another kind of guest FD using our function table dispatch mechanism. Initially we report no extended features, so we have just one feature flag byte which is zero. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20190916141544.17540-14-peter.maydell@linaro.org --- target/arm/arm-semi.c | 109 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 108 insertions(+), 1 deletion(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ typedef enum GuestFDType { GuestFDUnused = 0, GuestFDHost = 1, GuestFDGDB = 2, + GuestFDFeatureFile = 3, } GuestFDType; /* @@ -XXX,XX +XXX,XX @@ typedef enum GuestFDType { */ typedef struct GuestFD { GuestFDType type; - int hostfd; + union { + int hostfd; + target_ulong featurefile_offset; + }; } GuestFD; static GArray *guestfd_array; @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_flenfn(ARMCPU *cpu, GuestFD *gf) gf->hostfd, arm_flen_buf(cpu)); } +#define SHFB_MAGIC_0 0x53 +#define SHFB_MAGIC_1 0x48 +#define SHFB_MAGIC_2 0x46 +#define SHFB_MAGIC_3 0x42 + +static const uint8_t featurefile_data[] = { + SHFB_MAGIC_0, + SHFB_MAGIC_1, + SHFB_MAGIC_2, + SHFB_MAGIC_3, + 0, /* Feature byte 0 */ +}; + +static void init_featurefile_guestfd(int guestfd) +{ + GuestFD *gf = do_get_guestfd(guestfd); + + assert(gf); + gf->type = GuestFDFeatureFile; + gf->featurefile_offset = 0; +} + +static uint32_t featurefile_closefn(ARMCPU *cpu, GuestFD *gf) +{ + /* Nothing to do */ + return 0; +} + +static uint32_t featurefile_writefn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len) +{ + /* This fd can never be open for writing */ + CPUARMState *env = &cpu->env; + + errno = EBADF; + return set_swi_errno(env, -1); +} + +static uint32_t featurefile_readfn(ARMCPU *cpu, GuestFD *gf, + target_ulong buf, uint32_t len) +{ + uint32_t i; +#ifndef CONFIG_USER_ONLY + CPUARMState *env = &cpu->env; +#endif + char *s; + + s = lock_user(VERIFY_WRITE, buf, len, 0); + if (!s) { + return len; + } + + for (i = 0; i < len; i++) { + if (gf->featurefile_offset >= sizeof(featurefile_data)) { + break; + } + s[i] = featurefile_data[gf->featurefile_offset]; + gf->featurefile_offset++; + } + + unlock_user(s, buf, len); + + /* Return number of bytes not read */ + return len - i; +} + +static uint32_t featurefile_isattyfn(ARMCPU *cpu, GuestFD *gf) +{ + return 0; +} + +static uint32_t featurefile_seekfn(ARMCPU *cpu, GuestFD *gf, + target_ulong offset) +{ + gf->featurefile_offset = offset; + return 0; +} + +static uint32_t featurefile_flenfn(ARMCPU *cpu, GuestFD *gf) +{ + return sizeof(featurefile_data); +} + typedef struct GuestFDFunctions { sys_closefn *closefn; sys_writefn *writefn; @@ -XXX,XX +XXX,XX @@ static const GuestFDFunctions guestfd_fns[] = { .seekfn = gdb_seekfn, .flenfn = gdb_flenfn, }, + [GuestFDFeatureFile] = { + .closefn = featurefile_closefn, + .writefn = featurefile_writefn, + .readfn = featurefile_readfn, + .isattyfn = featurefile_isattyfn, + .seekfn = featurefile_seekfn, + .flenfn = featurefile_flenfn, + }, }; /* Read the input value from the argument block; fail the semihosting @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) unlock_user(s, arg0, 0); return guestfd; } + if (strcmp(s, ":semihosting-features") == 0) { + unlock_user(s, arg0, 0); + /* We must fail opens for modes other than 0 ('r') or 1 ('rb') */ + if (arg1 != 0 && arg1 != 1) { + dealloc_guestfd(guestfd); + errno = EACCES; + return set_swi_errno(env, -1); + } + init_featurefile_guestfd(guestfd); + return guestfd; + } + if (use_gdb_syscalls()) { arm_semi_open_guestfd = guestfd; ret = arm_gdb_syscall(cpu, arm_semi_open_cb, "open,%s,%x,1a4", arg0, -- 2.20.1 SH_EXT_EXIT_EXTENDED is a v2.0 semihosting extension: it indicates that the implementation supports the SYS_EXIT_EXTENDED function. This function allows both A64 and A32/T32 guests to exit with a specified exit status, unlike the older SYS_EXIT function which only allowed this for A64 guests. Implement this extension. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20190916141544.17540-15-peter.maydell@linaro.org --- target/arm/arm-semi.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ #define TARGET_SYS_HEAPINFO 0x16 #define TARGET_SYS_EXIT 0x18 #define TARGET_SYS_SYNCCACHE 0x19 +#define TARGET_SYS_EXIT_EXTENDED 0x20 /* ADP_Stopped_ApplicationExit is used for exit(0), * anything else is implemented as exit(1) */ @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_flenfn(ARMCPU *cpu, GuestFD *gf) #define SHFB_MAGIC_2 0x46 #define SHFB_MAGIC_3 0x42 +/* Feature bits reportable in feature byte 0 */ +#define SH_EXT_EXIT_EXTENDED (1 << 0) + static const uint8_t featurefile_data[] = { SHFB_MAGIC_0, SHFB_MAGIC_1, SHFB_MAGIC_2, SHFB_MAGIC_3, - 0, /* Feature byte 0 */ + SH_EXT_EXIT_EXTENDED, /* Feature byte 0 */ }; static void init_featurefile_guestfd(int guestfd) @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) return 0; } case TARGET_SYS_EXIT: - if (is_a64(env)) { + case TARGET_SYS_EXIT_EXTENDED: + if (nr == TARGET_SYS_EXIT_EXTENDED || is_a64(env)) { /* - * The A64 version of this call takes a parameter block, + * The A64 version of SYS_EXIT takes a parameter block, * so the application-exit type can return a subcode which * is the exit status code from the application. + * SYS_EXIT_EXTENDED is an a new-in-v2.0 optional function + * which allows A32/T32 guests to also provide a status code. */ GET_ARG(0); GET_ARG(1); @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) } } else { /* - * ARM specifies only Stopped_ApplicationExit as normal - * exit, everything else is considered an error + * The A32/T32 version of SYS_EXIT specifies only + * Stopped_ApplicationExit as normal exit, but does not + * allow the guest to specify the exit status code. + * Everything else is considered an error. */ ret = (args == ADP_Stopped_ApplicationExit) ? 0 : 1; } -- 2.20.1 SH_EXT_STDOUT_STDERR is a v2.0 semihosting extension: the guest can open ":tt" with a file mode requesting append access in order to open stderr, in addition to the existing "open for read for stdin or write for stdout". Implement this and report it via the :semihosting-features data. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20190916141544.17540-16-peter.maydell@linaro.org --- target/arm/arm-semi.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index XXXXXXX..XXXXXXX 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -XXX,XX +XXX,XX @@ static uint32_t gdb_flenfn(ARMCPU *cpu, GuestFD *gf) /* Feature bits reportable in feature byte 0 */ #define SH_EXT_EXIT_EXTENDED (1 << 0) +#define SH_EXT_STDOUT_STDERR (1 << 1) static const uint8_t featurefile_data[] = { SHFB_MAGIC_0, SHFB_MAGIC_1, SHFB_MAGIC_2, SHFB_MAGIC_3, - SH_EXT_EXIT_EXTENDED, /* Feature byte 0 */ + SH_EXT_EXIT_EXTENDED | SH_EXT_STDOUT_STDERR, /* Feature byte 0 */ }; static void init_featurefile_guestfd(int guestfd) @@ -XXX,XX +XXX,XX @@ target_ulong do_arm_semihosting(CPUARMState *env) } if (strcmp(s, ":tt") == 0) { - int result_fileno = arg1 < 4 ? STDIN_FILENO : STDOUT_FILENO; + int result_fileno; + + /* + * We implement SH_EXT_STDOUT_STDERR, so: + * open for read == stdin + * open for write == stdout + * open for append == stderr + */ + if (arg1 < 4) { + result_fileno = STDIN_FILENO; + } else if (arg1 < 8) { + result_fileno = STDOUT_FILENO; + } else { + result_fileno = STDERR_FILENO; + } associate_guestfd(guestfd, result_fileno); unlock_user(s, arg0, 0); return guestfd; -- 2.20.1 From: Amithash Prasad <amithash@fb.com> When WDT_RESTART is written, the data is not the contents of the WDT_CTRL register. Hence ensure we are looking at WDT_CTRL to check if bit WDT_CTRL_1MHZ_CLK is set or not. Signed-off-by: Amithash Prasad <amithash@fb.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-2-clg@kaod.org [clg: improved Suject prefix ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/watchdog/wdt_aspeed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c index XXXXXXX..XXXXXXX 100644 --- a/hw/watchdog/wdt_aspeed.c +++ b/hw/watchdog/wdt_aspeed.c @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_write(void *opaque, hwaddr offset, uint64_t data, case WDT_RESTART: if ((data & 0xFFFF) == WDT_RESTART_MAGIC) { s->regs[WDT_STATUS] = s->regs[WDT_RELOAD_VALUE]; - aspeed_wdt_reload(s, !(data & WDT_CTRL_1MHZ_CLK)); + aspeed_wdt_reload(s, !(s->regs[WDT_CTRL] & WDT_CTRL_1MHZ_CLK)); } break; case WDT_CTRL: -- 2.20.1 From: Eddie James <eajames@linux.ibm.com> The Aspeed SOCs have two SD/MMC controllers. Add a device that encapsulates both of these controllers and models the Aspeed-specific registers and behavior. Tested by reading from mmcblk0 in Linux: qemu-system-arm -machine romulus-bmc -nographic \ -drive file=flash-romulus,format=raw,if=mtd \ -device sd-card,drive=sd0 -drive file=_tmp/kernel,format=raw,if=sd,id=sd0 Signed-off-by: Eddie James <eajames@linux.ibm.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-3-clg@kaod.org [clg: - changed the controller MMIO window size to 0x1000 - moved the MMIO mapping of the SDHCI slots at the SoC level - merged code to add SD drives on the SD buses at the machine level ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/sd/Makefile.objs | 1 + include/hw/arm/aspeed_soc.h | 3 + include/hw/sd/aspeed_sdhci.h | 34 ++++++ hw/arm/aspeed.c | 15 ++- hw/arm/aspeed_soc.c | 23 ++++ hw/sd/aspeed_sdhci.c | 198 +++++++++++++++++++++++++++++++++++ 6 files changed, 273 insertions(+), 1 deletion(-) create mode 100644 include/hw/sd/aspeed_sdhci.h create mode 100644 hw/sd/aspeed_sdhci.c diff --git a/hw/sd/Makefile.objs b/hw/sd/Makefile.objs index XXXXXXX..XXXXXXX 100644 --- a/hw/sd/Makefile.objs +++ b/hw/sd/Makefile.objs @@ -XXX,XX +XXX,XX @@ obj-$(CONFIG_MILKYMIST) += milkymist-memcard.o obj-$(CONFIG_OMAP) += omap_mmc.o obj-$(CONFIG_PXA2XX) += pxa2xx_mmci.o obj-$(CONFIG_RASPI) += bcm2835_sdhost.o +obj-$(CONFIG_ASPEED_SOC) += aspeed_sdhci.o diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ #include "hw/net/ftgmac100.h" #include "target/arm/cpu.h" #include "hw/gpio/aspeed_gpio.h" +#include "hw/sd/aspeed_sdhci.h" #define ASPEED_SPIS_NUM 2 #define ASPEED_WDTS_NUM 3 @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCState { AspeedWDTState wdt[ASPEED_WDTS_NUM]; FTGMAC100State ftgmac100[ASPEED_MACS_NUM]; AspeedGPIOState gpio; + AspeedSDHCIState sdhci; } AspeedSoCState; #define TYPE_ASPEED_SOC "aspeed-soc" @@ -XXX,XX +XXX,XX @@ enum { ASPEED_SCU, ASPEED_ADC, ASPEED_SRAM, + ASPEED_SDHCI, ASPEED_GPIO, ASPEED_RTC, ASPEED_TIMER1, diff --git a/include/hw/sd/aspeed_sdhci.h b/include/hw/sd/aspeed_sdhci.h new file mode 100644 index XXXXXXX..XXXXXXX --- /dev/null +++ b/include/hw/sd/aspeed_sdhci.h @@ -XXX,XX +XXX,XX @@ +/* + * Aspeed SD Host Controller + * Eddie James <eajames@linux.ibm.com> + * + * Copyright (C) 2019 IBM Corp + * SPDX-License-Identifer: GPL-2.0-or-later + */ + +#ifndef ASPEED_SDHCI_H +#define ASPEED_SDHCI_H + +#include "hw/sd/sdhci.h" + +#define TYPE_ASPEED_SDHCI "aspeed.sdhci" +#define ASPEED_SDHCI(obj) OBJECT_CHECK(AspeedSDHCIState, (obj), \ + TYPE_ASPEED_SDHCI) + +#define ASPEED_SDHCI_CAPABILITIES 0x01E80080 +#define ASPEED_SDHCI_NUM_SLOTS 2 +#define ASPEED_SDHCI_NUM_REGS (ASPEED_SDHCI_REG_SIZE / sizeof(uint32_t)) +#define ASPEED_SDHCI_REG_SIZE 0x100 + +typedef struct AspeedSDHCIState { + SysBusDevice parent; + + SDHCIState slots[ASPEED_SDHCI_NUM_SLOTS]; + + MemoryRegion iomem; + qemu_irq irq; + + uint32_t regs[ASPEED_SDHCI_NUM_REGS]; +} AspeedSDHCIState; + +#endif /* ASPEED_SDHCI_H */ diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -XXX,XX +XXX,XX @@ static void aspeed_board_init(MachineState *machine, AspeedSoCClass *sc; DriveInfo *drive0 = drive_get(IF_MTD, 0, 0); ram_addr_t max_ram_size; + int i; bmc = g_new0(AspeedBoardState, 1); @@ -XXX,XX +XXX,XX @@ static void aspeed_board_init(MachineState *machine, cfg->i2c_init(bmc); } + for (i = 0; i < ARRAY_SIZE(bmc->soc.sdhci.slots); i++) { + SDHCIState *sdhci = &bmc->soc.sdhci.slots[i]; + DriveInfo *dinfo = drive_get_next(IF_SD); + BlockBackend *blk; + DeviceState *card; + + blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL; + card = qdev_create(qdev_get_child_bus(DEVICE(sdhci), "sd-bus"), + TYPE_SD_CARD); + qdev_prop_set_drive(card, "drive", blk, &error_fatal); + object_property_set_bool(OBJECT(card), true, "realized", &error_fatal); + } + arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo); } @@ -XXX,XX +XXX,XX @@ static void aspeed_machine_class_init(ObjectClass *oc, void *data) mc->desc = board->desc; mc->init = aspeed_machine_init; mc->max_cpus = ASPEED_CPUS_NUM; - mc->no_sdcard = 1; mc->no_floppy = 1; mc->no_cdrom = 1; mc->no_parallel = 1; diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2400_memmap[] = { [ASPEED_XDMA] = 0x1E6E7000, [ASPEED_ADC] = 0x1E6E9000, [ASPEED_SRAM] = 0x1E720000, + [ASPEED_SDHCI] = 0x1E740000, [ASPEED_GPIO] = 0x1E780000, [ASPEED_RTC] = 0x1E781000, [ASPEED_TIMER1] = 0x1E782000, @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2500_memmap[] = { [ASPEED_XDMA] = 0x1E6E7000, [ASPEED_ADC] = 0x1E6E9000, [ASPEED_SRAM] = 0x1E720000, + [ASPEED_SDHCI] = 0x1E740000, [ASPEED_GPIO] = 0x1E780000, [ASPEED_RTC] = 0x1E781000, [ASPEED_TIMER1] = 0x1E782000, @@ -XXX,XX +XXX,XX @@ static const int aspeed_soc_ast2400_irqmap[] = { [ASPEED_ETH1] = 2, [ASPEED_ETH2] = 3, [ASPEED_XDMA] = 6, + [ASPEED_SDHCI] = 26, }; #define aspeed_soc_ast2500_irqmap aspeed_soc_ast2400_irqmap @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname); sysbus_init_child_obj(obj, "gpio", OBJECT(&s->gpio), sizeof(s->gpio), typename); + + sysbus_init_child_obj(obj, "sdc", OBJECT(&s->sdhci), sizeof(s->sdhci), + TYPE_ASPEED_SDHCI); + + /* Init sd card slot class here so that they're under the correct parent */ + for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) { + sysbus_init_child_obj(obj, "sdhci[*]", OBJECT(&s->sdhci.slots[i]), + sizeof(s->sdhci.slots[i]), TYPE_SYSBUS_SDHCI); + } } static void aspeed_soc_realize(DeviceState *dev, Error **errp) @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->info->memmap[ASPEED_GPIO]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0, aspeed_soc_get_irq(s, ASPEED_GPIO)); + + /* SDHCI */ + object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0, + sc->info->memmap[ASPEED_SDHCI]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, + aspeed_soc_get_irq(s, ASPEED_SDHCI)); } static Property aspeed_soc_properties[] = { DEFINE_PROP_UINT32("num-cpus", AspeedSoCState, num_cpus, 0), diff --git a/hw/sd/aspeed_sdhci.c b/hw/sd/aspeed_sdhci.c new file mode 100644 index XXXXXXX..XXXXXXX --- /dev/null +++ b/hw/sd/aspeed_sdhci.c @@ -XXX,XX +XXX,XX @@ +/* + * Aspeed SD Host Controller + * Eddie James <eajames@linux.ibm.com> + * + * Copyright (C) 2019 IBM Corp + * SPDX-License-Identifer: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "qemu/error-report.h" +#include "hw/sd/aspeed_sdhci.h" +#include "qapi/error.h" +#include "hw/irq.h" +#include "migration/vmstate.h" + +#define ASPEED_SDHCI_INFO 0x00 +#define ASPEED_SDHCI_INFO_RESET 0x00030000 +#define ASPEED_SDHCI_DEBOUNCE 0x04 +#define ASPEED_SDHCI_DEBOUNCE_RESET 0x00000005 +#define ASPEED_SDHCI_BUS 0x08 +#define ASPEED_SDHCI_SDIO_140 0x10 +#define ASPEED_SDHCI_SDIO_148 0x18 +#define ASPEED_SDHCI_SDIO_240 0x20 +#define ASPEED_SDHCI_SDIO_248 0x28 +#define ASPEED_SDHCI_WP_POL 0xec +#define ASPEED_SDHCI_CARD_DET 0xf0 +#define ASPEED_SDHCI_IRQ_STAT 0xfc + +#define TO_REG(addr) ((addr) / sizeof(uint32_t)) + +static uint64_t aspeed_sdhci_read(void *opaque, hwaddr addr, unsigned int size) +{ + uint32_t val = 0; + AspeedSDHCIState *sdhci = opaque; + + switch (addr) { + case ASPEED_SDHCI_SDIO_140: + val = (uint32_t)sdhci->slots[0].capareg; + break; + case ASPEED_SDHCI_SDIO_148: + val = (uint32_t)sdhci->slots[0].maxcurr; + break; + case ASPEED_SDHCI_SDIO_240: + val = (uint32_t)sdhci->slots[1].capareg; + break; + case ASPEED_SDHCI_SDIO_248: + val = (uint32_t)sdhci->slots[1].maxcurr; + break; + default: + if (addr < ASPEED_SDHCI_REG_SIZE) { + val = sdhci->regs[TO_REG(addr)]; + } else { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds read at 0x%" HWADDR_PRIx "\n", + __func__, addr); + } + } + + return (uint64_t)val; +} + +static void aspeed_sdhci_write(void *opaque, hwaddr addr, uint64_t val, + unsigned int size) +{ + AspeedSDHCIState *sdhci = opaque; + + switch (addr) { + case ASPEED_SDHCI_SDIO_140: + sdhci->slots[0].capareg = (uint64_t)(uint32_t)val; + break; + case ASPEED_SDHCI_SDIO_148: + sdhci->slots[0].maxcurr = (uint64_t)(uint32_t)val; + break; + case ASPEED_SDHCI_SDIO_240: + sdhci->slots[1].capareg = (uint64_t)(uint32_t)val; + break; + case ASPEED_SDHCI_SDIO_248: + sdhci->slots[1].maxcurr = (uint64_t)(uint32_t)val; + break; + default: + if (addr < ASPEED_SDHCI_REG_SIZE) { + sdhci->regs[TO_REG(addr)] = (uint32_t)val; + } else { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds write at 0x%" HWADDR_PRIx "\n", + __func__, addr); + } + } +} + +static const MemoryRegionOps aspeed_sdhci_ops = { + .read = aspeed_sdhci_read, + .write = aspeed_sdhci_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid.min_access_size = 4, + .valid.max_access_size = 4, +}; + +static void aspeed_sdhci_set_irq(void *opaque, int n, int level) +{ + AspeedSDHCIState *sdhci = opaque; + + if (level) { + sdhci->regs[TO_REG(ASPEED_SDHCI_IRQ_STAT)] |= BIT(n); + + qemu_irq_raise(sdhci->irq); + } else { + sdhci->regs[TO_REG(ASPEED_SDHCI_IRQ_STAT)] &= ~BIT(n); + + qemu_irq_lower(sdhci->irq); + } +} + +static void aspeed_sdhci_realize(DeviceState *dev, Error **errp) +{ + Error *err = NULL; + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + AspeedSDHCIState *sdhci = ASPEED_SDHCI(dev); + + /* Create input irqs for the slots */ + qdev_init_gpio_in_named_with_opaque(DEVICE(sbd), aspeed_sdhci_set_irq, + sdhci, NULL, ASPEED_SDHCI_NUM_SLOTS); + + sysbus_init_irq(sbd, &sdhci->irq); + memory_region_init_io(&sdhci->iomem, OBJECT(sdhci), &aspeed_sdhci_ops, + sdhci, TYPE_ASPEED_SDHCI, 0x1000); + sysbus_init_mmio(sbd, &sdhci->iomem); + + for (int i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) { + Object *sdhci_slot = OBJECT(&sdhci->slots[i]); + SysBusDevice *sbd_slot = SYS_BUS_DEVICE(&sdhci->slots[i]); + + object_property_set_int(sdhci_slot, 2, "sd-spec-version", &err); + if (err) { + error_propagate(errp, err); + return; + } + + object_property_set_uint(sdhci_slot, ASPEED_SDHCI_CAPABILITIES, + "capareg", &err); + if (err) { + error_propagate(errp, err); + return; + } + + object_property_set_bool(sdhci_slot, true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_connect_irq(sbd_slot, 0, qdev_get_gpio_in(DEVICE(sbd), i)); + memory_region_add_subregion(&sdhci->iomem, (i + 1) * 0x100, + &sdhci->slots[i].iomem); + } +} + +static void aspeed_sdhci_reset(DeviceState *dev) +{ + AspeedSDHCIState *sdhci = ASPEED_SDHCI(dev); + + memset(sdhci->regs, 0, ASPEED_SDHCI_REG_SIZE); + sdhci->regs[TO_REG(ASPEED_SDHCI_INFO)] = ASPEED_SDHCI_INFO_RESET; + sdhci->regs[TO_REG(ASPEED_SDHCI_DEBOUNCE)] = ASPEED_SDHCI_DEBOUNCE_RESET; +} + +static const VMStateDescription vmstate_aspeed_sdhci = { + .name = TYPE_ASPEED_SDHCI, + .version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(regs, AspeedSDHCIState, ASPEED_SDHCI_NUM_REGS), + VMSTATE_END_OF_LIST(), + }, +}; + +static void aspeed_sdhci_class_init(ObjectClass *classp, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(classp); + + dc->realize = aspeed_sdhci_realize; + dc->reset = aspeed_sdhci_reset; + dc->vmsd = &vmstate_aspeed_sdhci; +} + +static TypeInfo aspeed_sdhci_info = { + .name = TYPE_ASPEED_SDHCI, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(AspeedSDHCIState), + .class_init = aspeed_sdhci_class_init, +}; + +static void aspeed_sdhci_register_types(void) +{ + type_register_static(&aspeed_sdhci_info); +} + +type_init(aspeed_sdhci_register_types) -- 2.20.1 From: Joel Stanley <joel@jms.id.au> The SCU controller on the AST2600 SoC has extra registers. Increase the number of regs of the model and introduce a new field in the class to customize the MemoryRegion operations depending on the SoC model. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-4-clg@kaod.org [clg: - improved commit log - changed vmstate version - reworked model integration into new object class - included AST2600_HPLL_PARAM value ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/misc/aspeed_scu.h | 7 +- hw/misc/aspeed_scu.c | 192 +++++++++++++++++++++++++++++++++-- 2 files changed, 191 insertions(+), 8 deletions(-) diff --git a/include/hw/misc/aspeed_scu.h b/include/hw/misc/aspeed_scu.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/misc/aspeed_scu.h +++ b/include/hw/misc/aspeed_scu.h @@ -XXX,XX +XXX,XX @@ #define ASPEED_SCU(obj) OBJECT_CHECK(AspeedSCUState, (obj), TYPE_ASPEED_SCU) #define TYPE_ASPEED_2400_SCU TYPE_ASPEED_SCU "-ast2400" #define TYPE_ASPEED_2500_SCU TYPE_ASPEED_SCU "-ast2500" +#define TYPE_ASPEED_2600_SCU TYPE_ASPEED_SCU "-ast2600" #define ASPEED_SCU_NR_REGS (0x1A8 >> 2) +#define ASPEED_AST2600_SCU_NR_REGS (0xE20 >> 2) typedef struct AspeedSCUState { /*< private >*/ @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSCUState { /*< public >*/ MemoryRegion iomem; - uint32_t regs[ASPEED_SCU_NR_REGS]; + uint32_t regs[ASPEED_AST2600_SCU_NR_REGS]; uint32_t silicon_rev; uint32_t hw_strap1; uint32_t hw_strap2; @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSCUState { #define AST2400_A1_SILICON_REV 0x02010303U #define AST2500_A0_SILICON_REV 0x04000303U #define AST2500_A1_SILICON_REV 0x04010303U +#define AST2600_A0_SILICON_REV 0x05000303U #define ASPEED_IS_AST2500(si_rev) ((((si_rev) >> 24) & 0xff) == 0x04) @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSCUClass { const uint32_t *resets; uint32_t (*calc_hpll)(AspeedSCUState *s, uint32_t hpll_reg); uint32_t apb_divider; + uint32_t nr_regs; + const MemoryRegionOps *ops; } AspeedSCUClass; #define ASPEED_SCU_PROT_KEY 0x1688A8A8 diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -XXX,XX +XXX,XX @@ #define BMC_REV TO_REG(0x19C) #define BMC_DEV_ID TO_REG(0x1A4) +#define AST2600_PROT_KEY TO_REG(0x00) +#define AST2600_SILICON_REV TO_REG(0x04) +#define AST2600_SILICON_REV2 TO_REG(0x14) +#define AST2600_SYS_RST_CTRL TO_REG(0x40) +#define AST2600_SYS_RST_CTRL_CLR TO_REG(0x44) +#define AST2600_SYS_RST_CTRL2 TO_REG(0x50) +#define AST2600_SYS_RST_CTRL2_CLR TO_REG(0x54) +#define AST2600_CLK_STOP_CTRL TO_REG(0x80) +#define AST2600_CLK_STOP_CTRL_CLR TO_REG(0x84) +#define AST2600_CLK_STOP_CTRL2 TO_REG(0x90) +#define AST2600_CLK_STOP_CTR2L_CLR TO_REG(0x94) +#define AST2600_HPLL_PARAM TO_REG(0x200) +#define AST2600_HPLL_EXT TO_REG(0x204) +#define AST2600_MPLL_EXT TO_REG(0x224) +#define AST2600_EPLL_EXT TO_REG(0x244) +#define AST2600_CLK_SEL TO_REG(0x300) +#define AST2600_CLK_SEL2 TO_REG(0x304) +#define AST2600_CLK_SEL3 TO_REG(0x310) +#define AST2600_HW_STRAP1 TO_REG(0x500) +#define AST2600_HW_STRAP1_CLR TO_REG(0x504) +#define AST2600_HW_STRAP1_PROT TO_REG(0x508) +#define AST2600_HW_STRAP2 TO_REG(0x510) +#define AST2600_HW_STRAP2_CLR TO_REG(0x514) +#define AST2600_HW_STRAP2_PROT TO_REG(0x518) +#define AST2600_RNG_CTRL TO_REG(0x524) +#define AST2600_RNG_DATA TO_REG(0x540) + +#define AST2600_CLK TO_REG(0x40) + #define SCU_IO_REGION_SIZE 0x1000 static const uint32_t ast2400_a0_resets[ASPEED_SCU_NR_REGS] = { @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_scu_read(void *opaque, hwaddr offset, unsigned size) AspeedSCUState *s = ASPEED_SCU(opaque); int reg = TO_REG(offset); - if (reg >= ARRAY_SIZE(s->regs)) { + if (reg >= ASPEED_SCU_NR_REGS) { qemu_log_mask(LOG_GUEST_ERROR, "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -XXX,XX +XXX,XX @@ static void aspeed_scu_write(void *opaque, hwaddr offset, uint64_t data, AspeedSCUState *s = ASPEED_SCU(opaque); int reg = TO_REG(offset); - if (reg >= ARRAY_SIZE(s->regs)) { + if (reg >= ASPEED_SCU_NR_REGS) { qemu_log_mask(LOG_GUEST_ERROR, "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -XXX,XX +XXX,XX @@ static void aspeed_scu_reset(DeviceState *dev) AspeedSCUState *s = ASPEED_SCU(dev); AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(dev); - memcpy(s->regs, asc->resets, sizeof(s->regs)); + memcpy(s->regs, asc->resets, asc->nr_regs * 4); s->regs[SILICON_REV] = s->silicon_rev; s->regs[HW_STRAP1] = s->hw_strap1; s->regs[HW_STRAP2] = s->hw_strap2; @@ -XXX,XX +XXX,XX @@ static uint32_t aspeed_silicon_revs[] = { AST2400_A1_SILICON_REV, AST2500_A0_SILICON_REV, AST2500_A1_SILICON_REV, + AST2600_A0_SILICON_REV, }; bool is_supported_silicon_rev(uint32_t silicon_rev) @@ -XXX,XX +XXX,XX @@ static void aspeed_scu_realize(DeviceState *dev, Error **errp) { SysBusDevice *sbd = SYS_BUS_DEVICE(dev); AspeedSCUState *s = ASPEED_SCU(dev); + AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(dev); if (!is_supported_silicon_rev(s->silicon_rev)) { error_setg(errp, "Unknown silicon revision: 0x%" PRIx32, @@ -XXX,XX +XXX,XX @@ static void aspeed_scu_realize(DeviceState *dev, Error **errp) return; } - memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_scu_ops, s, + memory_region_init_io(&s->iomem, OBJECT(s), asc->ops, s, TYPE_ASPEED_SCU, SCU_IO_REGION_SIZE); sysbus_init_mmio(sbd, &s->iomem); @@ -XXX,XX +XXX,XX @@ static void aspeed_scu_realize(DeviceState *dev, Error **errp) static const VMStateDescription vmstate_aspeed_scu = { .name = "aspeed.scu", - .version_id = 1, - .minimum_version_id = 1, + .version_id = 2, + .minimum_version_id = 2, .fields = (VMStateField[]) { - VMSTATE_UINT32_ARRAY(regs, AspeedSCUState, ASPEED_SCU_NR_REGS), + VMSTATE_UINT32_ARRAY(regs, AspeedSCUState, ASPEED_AST2600_SCU_NR_REGS), VMSTATE_END_OF_LIST() } }; @@ -XXX,XX +XXX,XX @@ static void aspeed_2400_scu_class_init(ObjectClass *klass, void *data) asc->resets = ast2400_a0_resets; asc->calc_hpll = aspeed_2400_scu_calc_hpll; asc->apb_divider = 2; + asc->nr_regs = ASPEED_SCU_NR_REGS; + asc->ops = &aspeed_scu_ops; } static const TypeInfo aspeed_2400_scu_info = { @@ -XXX,XX +XXX,XX @@ static void aspeed_2500_scu_class_init(ObjectClass *klass, void *data) asc->resets = ast2500_a1_resets; asc->calc_hpll = aspeed_2500_scu_calc_hpll; asc->apb_divider = 4; + asc->nr_regs = ASPEED_SCU_NR_REGS; + asc->ops = &aspeed_scu_ops; } static const TypeInfo aspeed_2500_scu_info = { @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_2500_scu_info = { .class_init = aspeed_2500_scu_class_init, }; +static uint64_t aspeed_ast2600_scu_read(void *opaque, hwaddr offset, + unsigned size) +{ + AspeedSCUState *s = ASPEED_SCU(opaque); + int reg = TO_REG(offset); + + if (reg >= ASPEED_AST2600_SCU_NR_REGS) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return 0; + } + + switch (reg) { + case AST2600_HPLL_EXT: + case AST2600_EPLL_EXT: + case AST2600_MPLL_EXT: + /* PLLs are always "locked" */ + return s->regs[reg] | BIT(31); + case AST2600_RNG_DATA: + /* + * On hardware, RNG_DATA works regardless of the state of the + * enable bit in RNG_CTRL + * + * TODO: Check this is true for ast2600 + */ + s->regs[AST2600_RNG_DATA] = aspeed_scu_get_random(); + break; + } + + return s->regs[reg]; +} + +static void aspeed_ast2600_scu_write(void *opaque, hwaddr offset, uint64_t data, + unsigned size) +{ + AspeedSCUState *s = ASPEED_SCU(opaque); + int reg = TO_REG(offset); + + if (reg >= ASPEED_AST2600_SCU_NR_REGS) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return; + } + + if (reg > PROT_KEY && !s->regs[PROT_KEY]) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: SCU is locked!\n", __func__); + } + + trace_aspeed_scu_write(offset, size, data); + + switch (reg) { + case AST2600_PROT_KEY: + s->regs[reg] = (data == ASPEED_SCU_PROT_KEY) ? 1 : 0; + return; + case AST2600_HW_STRAP1: + case AST2600_HW_STRAP2: + if (s->regs[reg + 2]) { + return; + } + /* fall through */ + case AST2600_SYS_RST_CTRL: + case AST2600_SYS_RST_CTRL2: + /* W1S (Write 1 to set) registers */ + s->regs[reg] |= data; + return; + case AST2600_SYS_RST_CTRL_CLR: + case AST2600_SYS_RST_CTRL2_CLR: + case AST2600_HW_STRAP1_CLR: + case AST2600_HW_STRAP2_CLR: + /* W1C (Write 1 to clear) registers */ + s->regs[reg] &= ~data; + return; + + case AST2600_RNG_DATA: + case AST2600_SILICON_REV: + case AST2600_SILICON_REV2: + /* Add read only registers here */ + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Write to read-only offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return; + } + + s->regs[reg] = data; +} + +static const MemoryRegionOps aspeed_ast2600_scu_ops = { + .read = aspeed_ast2600_scu_read, + .write = aspeed_ast2600_scu_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid.min_access_size = 4, + .valid.max_access_size = 4, + .valid.unaligned = false, +}; + +static const uint32_t ast2600_a0_resets[ASPEED_AST2600_SCU_NR_REGS] = { + [AST2600_SILICON_REV] = AST2600_SILICON_REV, + [AST2600_SILICON_REV2] = AST2600_SILICON_REV, + [AST2600_SYS_RST_CTRL] = 0xF7CFFEDC | 0x100, + [AST2600_SYS_RST_CTRL2] = 0xFFFFFFFC, + [AST2600_CLK_STOP_CTRL] = 0xEFF43E8B, + [AST2600_CLK_STOP_CTRL2] = 0xFFF0FFF0, + [AST2600_HPLL_PARAM] = 0x1000405F, +}; + +static void aspeed_ast2600_scu_reset(DeviceState *dev) +{ + AspeedSCUState *s = ASPEED_SCU(dev); + AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(dev); + + memcpy(s->regs, asc->resets, asc->nr_regs * 4); + + s->regs[AST2600_SILICON_REV] = s->silicon_rev; + s->regs[AST2600_SILICON_REV2] = s->silicon_rev; + s->regs[AST2600_HW_STRAP1] = s->hw_strap1; + s->regs[AST2600_HW_STRAP2] = s->hw_strap2; + s->regs[PROT_KEY] = s->hw_prot_key; +} + +static void aspeed_2600_scu_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); + + dc->desc = "ASPEED 2600 System Control Unit"; + dc->reset = aspeed_ast2600_scu_reset; + asc->resets = ast2600_a0_resets; + asc->calc_hpll = aspeed_2500_scu_calc_hpll; /* No change since AST2500 */ + asc->apb_divider = 4; + asc->nr_regs = ASPEED_AST2600_SCU_NR_REGS; + asc->ops = &aspeed_ast2600_scu_ops; +} + +static const TypeInfo aspeed_2600_scu_info = { + .name = TYPE_ASPEED_2600_SCU, + .parent = TYPE_ASPEED_SCU, + .instance_size = sizeof(AspeedSCUState), + .class_init = aspeed_2600_scu_class_init, +}; + static void aspeed_scu_register_types(void) { type_register_static(&aspeed_scu_info); type_register_static(&aspeed_2400_scu_info); type_register_static(&aspeed_2500_scu_info); + type_register_static(&aspeed_2600_scu_info); } type_init(aspeed_scu_register_types); -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The most important changes will be on the register range 0x34 - 0x3C memops. Introduce class read/write operations to handle the differences between SoCs. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-5-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/timer/aspeed_timer.h | 15 +++++ hw/arm/aspeed_soc.c | 3 +- hw/timer/aspeed_timer.c | 107 ++++++++++++++++++++++++++++---- 3 files changed, 113 insertions(+), 12 deletions(-) diff --git a/include/hw/timer/aspeed_timer.h b/include/hw/timer/aspeed_timer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/timer/aspeed_timer.h +++ b/include/hw/timer/aspeed_timer.h @@ -XXX,XX +XXX,XX @@ #define ASPEED_TIMER(obj) \ OBJECT_CHECK(AspeedTimerCtrlState, (obj), TYPE_ASPEED_TIMER); #define TYPE_ASPEED_TIMER "aspeed.timer" +#define TYPE_ASPEED_2400_TIMER TYPE_ASPEED_TIMER "-ast2400" +#define TYPE_ASPEED_2500_TIMER TYPE_ASPEED_TIMER "-ast2500" + #define ASPEED_TIMER_NR_TIMERS 8 typedef struct AspeedTimer { @@ -XXX,XX +XXX,XX @@ typedef struct AspeedTimerCtrlState { AspeedSCUState *scu; } AspeedTimerCtrlState; +#define ASPEED_TIMER_CLASS(klass) \ + OBJECT_CLASS_CHECK(AspeedTimerClass, (klass), TYPE_ASPEED_TIMER) +#define ASPEED_TIMER_GET_CLASS(obj) \ + OBJECT_GET_CLASS(AspeedTimerClass, (obj), TYPE_ASPEED_TIMER) + +typedef struct AspeedTimerClass { + SysBusDeviceClass parent_class; + + uint64_t (*read)(AspeedTimerCtrlState *s, hwaddr offset); + void (*write)(AspeedTimerCtrlState *s, hwaddr offset, uint64_t value); +} AspeedTimerClass; + #endif /* ASPEED_TIMER_H */ diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) sysbus_init_child_obj(obj, "rtc", OBJECT(&s->rtc), sizeof(s->rtc), TYPE_ASPEED_RTC); + snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname); sysbus_init_child_obj(obj, "timerctrl", OBJECT(&s->timerctrl), - sizeof(s->timerctrl), TYPE_ASPEED_TIMER); + sizeof(s->timerctrl), typename); object_property_add_const_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu), &error_abort); diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/aspeed_timer.c +++ b/hw/timer/aspeed_timer.c @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_timer_read(void *opaque, hwaddr offset, unsigned size) case 0x40 ... 0x8c: /* Timers 5 - 8 */ value = aspeed_timer_get_value(&s->timers[(offset >> 4) - 1], reg); break; - /* Illegal */ - case 0x38: - case 0x3C: default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", - __func__, offset); - value = 0; + value = ASPEED_TIMER_GET_CLASS(s)->read(s, offset); break; } trace_aspeed_timer_read(offset, size, value); @@ -XXX,XX +XXX,XX @@ static void aspeed_timer_write(void *opaque, hwaddr offset, uint64_t value, case 0x40 ... 0x8c: aspeed_timer_set_value(s, (offset >> TIMER_NR_REGS) - 1, reg, tv); break; - /* Illegal */ - case 0x38: - case 0x3C: default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", - __func__, offset); + ASPEED_TIMER_GET_CLASS(s)->write(s, offset, value); break; } } @@ -XXX,XX +XXX,XX @@ static const MemoryRegionOps aspeed_timer_ops = { .valid.unaligned = false, }; +static uint64_t aspeed_2400_timer_read(AspeedTimerCtrlState *s, hwaddr offset) +{ + uint64_t value; + + switch (offset) { + case 0x38: + case 0x3C: + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + value = 0; + break; + } + return value; +} + +static void aspeed_2400_timer_write(AspeedTimerCtrlState *s, hwaddr offset, + uint64_t value) +{ + switch (offset) { + case 0x38: + case 0x3C: + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + break; + } +} + +static uint64_t aspeed_2500_timer_read(AspeedTimerCtrlState *s, hwaddr offset) +{ + uint64_t value; + + switch (offset) { + case 0x38: + case 0x3C: + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + value = 0; + break; + } + return value; +} + +static void aspeed_2500_timer_write(AspeedTimerCtrlState *s, hwaddr offset, + uint64_t value) +{ + switch (offset) { + case 0x38: + case 0x3C: + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + break; + } +} + static void aspeed_init_one_timer(AspeedTimerCtrlState *s, uint8_t id) { AspeedTimer *t = &s->timers[id]; @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_timer_info = { .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(AspeedTimerCtrlState), .class_init = timer_class_init, + .class_size = sizeof(AspeedTimerClass), + .abstract = true, +}; + +static void aspeed_2400_timer_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedTimerClass *awc = ASPEED_TIMER_CLASS(klass); + + dc->desc = "ASPEED 2400 Timer"; + awc->read = aspeed_2400_timer_read; + awc->write = aspeed_2400_timer_write; +} + +static const TypeInfo aspeed_2400_timer_info = { + .name = TYPE_ASPEED_2400_TIMER, + .parent = TYPE_ASPEED_TIMER, + .class_init = aspeed_2400_timer_class_init, +}; + +static void aspeed_2500_timer_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedTimerClass *awc = ASPEED_TIMER_CLASS(klass); + + dc->desc = "ASPEED 2500 Timer"; + awc->read = aspeed_2500_timer_read; + awc->write = aspeed_2500_timer_write; +} + +static const TypeInfo aspeed_2500_timer_info = { + .name = TYPE_ASPEED_2500_TIMER, + .parent = TYPE_ASPEED_TIMER, + .class_init = aspeed_2500_timer_class_init, }; static void aspeed_timer_register_types(void) { type_register_static(&aspeed_timer_info); + type_register_static(&aspeed_2400_timer_info); + type_register_static(&aspeed_2500_timer_info); } type_init(aspeed_timer_register_types) -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The AST2500 timer has a third control register that is used to implement a set-to-clear feature for the main control register. This models the behaviour expected by the AST2500 while maintaining the same behaviour for the AST2400. The vmstate version is not increased yet because the structure is modified again in the following patches. Based on previous work from Joel Stanley. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-6-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/timer/aspeed_timer.h | 1 + hw/timer/aspeed_timer.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/include/hw/timer/aspeed_timer.h b/include/hw/timer/aspeed_timer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/timer/aspeed_timer.h +++ b/include/hw/timer/aspeed_timer.h @@ -XXX,XX +XXX,XX @@ typedef struct AspeedTimerCtrlState { uint32_t ctrl; uint32_t ctrl2; + uint32_t ctrl3; AspeedTimer timers[ASPEED_TIMER_NR_TIMERS]; AspeedSCUState *scu; diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/aspeed_timer.c +++ b/hw/timer/aspeed_timer.c @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_2500_timer_read(AspeedTimerCtrlState *s, hwaddr offset) switch (offset) { case 0x38: + value = s->ctrl3 & BIT(0); + break; case 0x3C: default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_2500_timer_read(AspeedTimerCtrlState *s, hwaddr offset) static void aspeed_2500_timer_write(AspeedTimerCtrlState *s, hwaddr offset, uint64_t value) { + const uint32_t tv = (uint32_t)(value & 0xFFFFFFFF); + uint8_t command; + switch (offset) { case 0x38: + command = (value >> 1) & 0xFF; + if (command == 0xAE) { + s->ctrl3 = 0x1; + } else if (command == 0xEA) { + s->ctrl3 = 0x0; + } + break; case 0x3C: + if (s->ctrl3 & BIT(0)) { + aspeed_timer_set_ctrl(s, s->ctrl & ~tv); + } + break; + default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -XXX,XX +XXX,XX @@ static void aspeed_timer_reset(DeviceState *dev) } s->ctrl = 0; s->ctrl2 = 0; + s->ctrl3 = 0; } static const VMStateDescription vmstate_aspeed_timer = { @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_aspeed_timer_state = { .fields = (VMStateField[]) { VMSTATE_UINT32(ctrl, AspeedTimerCtrlState), VMSTATE_UINT32(ctrl2, AspeedTimerCtrlState), + VMSTATE_UINT32(ctrl3, AspeedTimerCtrlState), VMSTATE_STRUCT_ARRAY(timers, AspeedTimerCtrlState, ASPEED_TIMER_NR_TIMERS, 1, vmstate_aspeed_timer, AspeedTimer), -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The AST2600 timer has a third control register that is used to implement a set-to-clear feature for the main control register. On the AST2600, it is not configurable via 0x38 (control register 3) as it is on the AST2500. Based on previous work from Joel Stanley. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-7-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/timer/aspeed_timer.h | 1 + hw/timer/aspeed_timer.c | 51 +++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/include/hw/timer/aspeed_timer.h b/include/hw/timer/aspeed_timer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/timer/aspeed_timer.h +++ b/include/hw/timer/aspeed_timer.h @@ -XXX,XX +XXX,XX @@ #define TYPE_ASPEED_TIMER "aspeed.timer" #define TYPE_ASPEED_2400_TIMER TYPE_ASPEED_TIMER "-ast2400" #define TYPE_ASPEED_2500_TIMER TYPE_ASPEED_TIMER "-ast2500" +#define TYPE_ASPEED_2600_TIMER TYPE_ASPEED_TIMER "-ast2600" #define ASPEED_TIMER_NR_TIMERS 8 diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/aspeed_timer.c +++ b/hw/timer/aspeed_timer.c @@ -XXX,XX +XXX,XX @@ static void aspeed_2500_timer_write(AspeedTimerCtrlState *s, hwaddr offset, } } +static uint64_t aspeed_2600_timer_read(AspeedTimerCtrlState *s, hwaddr offset) +{ + uint64_t value; + + switch (offset) { + case 0x38: + case 0x3C: + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + value = 0; + break; + } + return value; +} + +static void aspeed_2600_timer_write(AspeedTimerCtrlState *s, hwaddr offset, + uint64_t value) +{ + const uint32_t tv = (uint32_t)(value & 0xFFFFFFFF); + + switch (offset) { + case 0x3C: + aspeed_timer_set_ctrl(s, s->ctrl & ~tv); + break; + + case 0x38: + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + break; + } +} + static void aspeed_init_one_timer(AspeedTimerCtrlState *s, uint8_t id) { AspeedTimer *t = &s->timers[id]; @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_2500_timer_info = { .class_init = aspeed_2500_timer_class_init, }; +static void aspeed_2600_timer_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedTimerClass *awc = ASPEED_TIMER_CLASS(klass); + + dc->desc = "ASPEED 2600 Timer"; + awc->read = aspeed_2600_timer_read; + awc->write = aspeed_2600_timer_write; +} + +static const TypeInfo aspeed_2600_timer_info = { + .name = TYPE_ASPEED_2600_TIMER, + .parent = TYPE_ASPEED_TIMER, + .class_init = aspeed_2600_timer_class_init, +}; + static void aspeed_timer_register_types(void) { type_register_static(&aspeed_timer_info); type_register_static(&aspeed_2400_timer_info); type_register_static(&aspeed_2500_timer_info); + type_register_static(&aspeed_2600_timer_info); } type_init(aspeed_timer_register_types) -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The AST2600 timer replaces control register 2 with a interrupt status register. It is set by hardware when an IRQ occurs and cleared by software. Modify the vmstate version to take into account the new fields. Based on previous work from Joel Stanley. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-8-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/timer/aspeed_timer.h | 1 + hw/timer/aspeed_timer.c | 36 +++++++++++++++++++++++++-------- 2 files changed, 29 insertions(+), 8 deletions(-) diff --git a/include/hw/timer/aspeed_timer.h b/include/hw/timer/aspeed_timer.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/timer/aspeed_timer.h +++ b/include/hw/timer/aspeed_timer.h @@ -XXX,XX +XXX,XX @@ typedef struct AspeedTimerCtrlState { uint32_t ctrl; uint32_t ctrl2; uint32_t ctrl3; + uint32_t irq_sts; AspeedTimer timers[ASPEED_TIMER_NR_TIMERS]; AspeedSCUState *scu; diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c index XXXXXXX..XXXXXXX 100644 --- a/hw/timer/aspeed_timer.c +++ b/hw/timer/aspeed_timer.c @@ -XXX,XX +XXX,XX @@ static uint64_t calculate_next(struct AspeedTimer *t) timer_del(&t->timer); if (timer_overflow_interrupt(t)) { + AspeedTimerCtrlState *s = timer_to_ctrl(t); t->level = !t->level; + s->irq_sts |= BIT(t->id); qemu_set_irq(t->irq, t->level); } @@ -XXX,XX +XXX,XX @@ static void aspeed_timer_expire(void *opaque) } if (interrupt) { + AspeedTimerCtrlState *s = timer_to_ctrl(t); t->level = !t->level; + s->irq_sts |= BIT(t->id); qemu_set_irq(t->irq, t->level); } @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_timer_read(void *opaque, hwaddr offset, unsigned size) case 0x30: /* Control Register */ value = s->ctrl; break; - case 0x34: /* Control Register 2 */ - value = s->ctrl2; - break; case 0x00 ... 0x2c: /* Timers 1 - 4 */ value = aspeed_timer_get_value(&s->timers[(offset >> 4)], reg); break; @@ -XXX,XX +XXX,XX @@ static void aspeed_timer_write(void *opaque, hwaddr offset, uint64_t value, case 0x30: aspeed_timer_set_ctrl(s, tv); break; - case 0x34: - aspeed_timer_set_ctrl2(s, tv); - break; /* Timer Registers */ case 0x00 ... 0x2c: aspeed_timer_set_value(s, (offset >> TIMER_NR_REGS), reg, tv); @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_2400_timer_read(AspeedTimerCtrlState *s, hwaddr offset) uint64_t value; switch (offset) { + case 0x34: + value = s->ctrl2; + break; case 0x38: case 0x3C: default: @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_2400_timer_read(AspeedTimerCtrlState *s, hwaddr offset) static void aspeed_2400_timer_write(AspeedTimerCtrlState *s, hwaddr offset, uint64_t value) { + const uint32_t tv = (uint32_t)(value & 0xFFFFFFFF); + switch (offset) { + case 0x34: + aspeed_timer_set_ctrl2(s, tv); + break; case 0x38: case 0x3C: default: @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_2500_timer_read(AspeedTimerCtrlState *s, hwaddr offset) uint64_t value; switch (offset) { + case 0x34: + value = s->ctrl2; + break; case 0x38: value = s->ctrl3 & BIT(0); break; @@ -XXX,XX +XXX,XX @@ static void aspeed_2500_timer_write(AspeedTimerCtrlState *s, hwaddr offset, uint8_t command; switch (offset) { + case 0x34: + aspeed_timer_set_ctrl2(s, tv); + break; case 0x38: command = (value >> 1) & 0xFF; if (command == 0xAE) { @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_2600_timer_read(AspeedTimerCtrlState *s, hwaddr offset) uint64_t value; switch (offset) { + case 0x34: + value = s->irq_sts; + break; case 0x38: case 0x3C: default: @@ -XXX,XX +XXX,XX @@ static void aspeed_2600_timer_write(AspeedTimerCtrlState *s, hwaddr offset, const uint32_t tv = (uint32_t)(value & 0xFFFFFFFF); switch (offset) { + case 0x34: + s->irq_sts &= tv; + break; case 0x3C: aspeed_timer_set_ctrl(s, s->ctrl & ~tv); break; @@ -XXX,XX +XXX,XX @@ static void aspeed_timer_reset(DeviceState *dev) s->ctrl = 0; s->ctrl2 = 0; s->ctrl3 = 0; + s->irq_sts = 0; } static const VMStateDescription vmstate_aspeed_timer = { @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_aspeed_timer = { static const VMStateDescription vmstate_aspeed_timer_state = { .name = "aspeed.timerctrl", - .version_id = 1, - .minimum_version_id = 1, + .version_id = 2, + .minimum_version_id = 2, .fields = (VMStateField[]) { VMSTATE_UINT32(ctrl, AspeedTimerCtrlState), VMSTATE_UINT32(ctrl2, AspeedTimerCtrlState), VMSTATE_UINT32(ctrl3, AspeedTimerCtrlState), + VMSTATE_UINT32(irq_sts, AspeedTimerCtrlState), VMSTATE_STRUCT_ARRAY(timers, AspeedTimerCtrlState, ASPEED_TIMER_NR_TIMERS, 1, vmstate_aspeed_timer, AspeedTimer), -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> Use class handlers and class constants to differentiate the characteristics of the memory controller and remove the 'silicon_rev' property. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-9-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/misc/aspeed_sdmc.h | 19 +++- hw/arm/aspeed_soc.c | 5 +- hw/misc/aspeed_sdmc.c | 168 +++++++++++++++++++++------------- 3 files changed, 122 insertions(+), 70 deletions(-) diff --git a/include/hw/misc/aspeed_sdmc.h b/include/hw/misc/aspeed_sdmc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/misc/aspeed_sdmc.h +++ b/include/hw/misc/aspeed_sdmc.h @@ -XXX,XX +XXX,XX @@ #define TYPE_ASPEED_SDMC "aspeed.sdmc" #define ASPEED_SDMC(obj) OBJECT_CHECK(AspeedSDMCState, (obj), TYPE_ASPEED_SDMC) +#define TYPE_ASPEED_2400_SDMC TYPE_ASPEED_SDMC "-ast2400" +#define TYPE_ASPEED_2500_SDMC TYPE_ASPEED_SDMC "-ast2500" #define ASPEED_SDMC_NR_REGS (0x174 >> 2) @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSDMCState { MemoryRegion iomem; uint32_t regs[ASPEED_SDMC_NR_REGS]; - uint32_t silicon_rev; - uint32_t ram_bits; uint64_t ram_size; uint64_t max_ram_size; - uint32_t fixed_conf; - } AspeedSDMCState; +#define ASPEED_SDMC_CLASS(klass) \ + OBJECT_CLASS_CHECK(AspeedSDMCClass, (klass), TYPE_ASPEED_SDMC) +#define ASPEED_SDMC_GET_CLASS(obj) \ + OBJECT_GET_CLASS(AspeedSDMCClass, (obj), TYPE_ASPEED_SDMC) + +typedef struct AspeedSDMCClass { + SysBusDeviceClass parent_class; + + uint64_t max_ram_size; + uint32_t (*compute_conf)(AspeedSDMCState *s, uint32_t data); + void (*write)(AspeedSDMCState *s, uint32_t reg, uint32_t data); +} AspeedSDMCClass; + #endif /* ASPEED_SDMC_H */ diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) sizeof(s->spi[i]), typename); } + snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname); sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc), - TYPE_ASPEED_SDMC); - qdev_prop_set_uint32(DEVICE(&s->sdmc), "silicon-rev", - sc->info->silicon_rev); + typename); object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc), "ram-size", &error_abort); object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc), diff --git a/hw/misc/aspeed_sdmc.c b/hw/misc/aspeed_sdmc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/aspeed_sdmc.c +++ b/hw/misc/aspeed_sdmc.c @@ -XXX,XX +XXX,XX @@ static void aspeed_sdmc_write(void *opaque, hwaddr addr, uint64_t data, unsigned int size) { AspeedSDMCState *s = ASPEED_SDMC(opaque); + AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); addr >>= 2; @@ -XXX,XX +XXX,XX @@ static void aspeed_sdmc_write(void *opaque, hwaddr addr, uint64_t data, return; } - if (addr == R_CONF) { - /* Make sure readonly bits are kept */ - switch (s->silicon_rev) { - case AST2400_A0_SILICON_REV: - case AST2400_A1_SILICON_REV: - data &= ~ASPEED_SDMC_READONLY_MASK; - data |= s->fixed_conf; - break; - case AST2500_A0_SILICON_REV: - case AST2500_A1_SILICON_REV: - data &= ~ASPEED_SDMC_AST2500_READONLY_MASK; - data |= s->fixed_conf; - break; - default: - g_assert_not_reached(); - } - } - if (s->silicon_rev == AST2500_A0_SILICON_REV || - s->silicon_rev == AST2500_A1_SILICON_REV) { - switch (addr) { - case R_STATUS1: - /* Will never return 'busy' */ - data &= ~PHY_BUSY_STATE; - break; - case R_ECC_TEST_CTRL: - /* Always done, always happy */ - data |= ECC_TEST_FINISHED; - data &= ~ECC_TEST_FAIL; - break; - default: - break; - } - } - - s->regs[addr] = data; + asc->write(s, addr, data); } static const MemoryRegionOps aspeed_sdmc_ops = { @@ -XXX,XX +XXX,XX @@ static int ast2500_rambits(AspeedSDMCState *s) static void aspeed_sdmc_reset(DeviceState *dev) { AspeedSDMCState *s = ASPEED_SDMC(dev); + AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); memset(s->regs, 0, sizeof(s->regs)); /* Set ram size bit and defaults values */ - s->regs[R_CONF] = s->fixed_conf; + s->regs[R_CONF] = asc->compute_conf(s, 0); } static void aspeed_sdmc_realize(DeviceState *dev, Error **errp) { SysBusDevice *sbd = SYS_BUS_DEVICE(dev); AspeedSDMCState *s = ASPEED_SDMC(dev); + AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); - if (!is_supported_silicon_rev(s->silicon_rev)) { - error_setg(errp, "Unknown silicon revision: 0x%" PRIx32, - s->silicon_rev); - return; - } - - switch (s->silicon_rev) { - case AST2400_A0_SILICON_REV: - case AST2400_A1_SILICON_REV: - s->ram_bits = ast2400_rambits(s); - s->max_ram_size = 512 << 20; - s->fixed_conf = ASPEED_SDMC_VGA_COMPAT | - ASPEED_SDMC_DRAM_SIZE(s->ram_bits); - break; - case AST2500_A0_SILICON_REV: - case AST2500_A1_SILICON_REV: - s->ram_bits = ast2500_rambits(s); - s->max_ram_size = 1024 << 20; - s->fixed_conf = ASPEED_SDMC_HW_VERSION(1) | - ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) | - ASPEED_SDMC_CACHE_INITIAL_DONE | - ASPEED_SDMC_DRAM_SIZE(s->ram_bits); - break; - default: - g_assert_not_reached(); - } + s->max_ram_size = asc->max_ram_size; memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sdmc_ops, s, TYPE_ASPEED_SDMC, 0x1000); @@ -XXX,XX +XXX,XX @@ static const VMStateDescription vmstate_aspeed_sdmc = { }; static Property aspeed_sdmc_properties[] = { - DEFINE_PROP_UINT32("silicon-rev", AspeedSDMCState, silicon_rev, 0), DEFINE_PROP_UINT64("ram-size", AspeedSDMCState, ram_size, 0), DEFINE_PROP_UINT64("max-ram-size", AspeedSDMCState, max_ram_size, 0), DEFINE_PROP_END_OF_LIST(), @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_sdmc_info = { .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(AspeedSDMCState), .class_init = aspeed_sdmc_class_init, + .class_size = sizeof(AspeedSDMCClass), + .abstract = true, +}; + +static uint32_t aspeed_2400_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) +{ + uint32_t fixed_conf = ASPEED_SDMC_VGA_COMPAT | + ASPEED_SDMC_DRAM_SIZE(ast2400_rambits(s)); + + /* Make sure readonly bits are kept */ + data &= ~ASPEED_SDMC_READONLY_MASK; + + return data | fixed_conf; +} + +static void aspeed_2400_sdmc_write(AspeedSDMCState *s, uint32_t reg, + uint32_t data) +{ + switch (reg) { + case R_CONF: + data = aspeed_2400_sdmc_compute_conf(s, data); + break; + default: + break; + } + + s->regs[reg] = data; +} + +static void aspeed_2400_sdmc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); + + dc->desc = "ASPEED 2400 SDRAM Memory Controller"; + asc->max_ram_size = 512 << 20; + asc->compute_conf = aspeed_2400_sdmc_compute_conf; + asc->write = aspeed_2400_sdmc_write; +} + +static const TypeInfo aspeed_2400_sdmc_info = { + .name = TYPE_ASPEED_2400_SDMC, + .parent = TYPE_ASPEED_SDMC, + .class_init = aspeed_2400_sdmc_class_init, +}; + +static uint32_t aspeed_2500_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) +{ + uint32_t fixed_conf = ASPEED_SDMC_HW_VERSION(1) | + ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) | + ASPEED_SDMC_CACHE_INITIAL_DONE | + ASPEED_SDMC_DRAM_SIZE(ast2500_rambits(s)); + + /* Make sure readonly bits are kept */ + data &= ~ASPEED_SDMC_AST2500_READONLY_MASK; + + return data | fixed_conf; +} + +static void aspeed_2500_sdmc_write(AspeedSDMCState *s, uint32_t reg, + uint32_t data) +{ + switch (reg) { + case R_CONF: + data = aspeed_2500_sdmc_compute_conf(s, data); + break; + case R_STATUS1: + /* Will never return 'busy' */ + data &= ~PHY_BUSY_STATE; + break; + case R_ECC_TEST_CTRL: + /* Always done, always happy */ + data |= ECC_TEST_FINISHED; + data &= ~ECC_TEST_FAIL; + break; + default: + break; + } + + s->regs[reg] = data; +} + +static void aspeed_2500_sdmc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); + + dc->desc = "ASPEED 2500 SDRAM Memory Controller"; + asc->max_ram_size = 1024 << 20; + asc->compute_conf = aspeed_2500_sdmc_compute_conf; + asc->write = aspeed_2500_sdmc_write; +} + +static const TypeInfo aspeed_2500_sdmc_info = { + .name = TYPE_ASPEED_2500_SDMC, + .parent = TYPE_ASPEED_SDMC, + .class_init = aspeed_2500_sdmc_class_init, }; static void aspeed_sdmc_register_types(void) { type_register_static(&aspeed_sdmc_info); + type_register_static(&aspeed_2400_sdmc_info); + type_register_static(&aspeed_2500_sdmc_info); } type_init(aspeed_sdmc_register_types); -- 2.20.1 From: Joel Stanley <joel@jms.id.au> The AST2600 SDMC controller is slightly different from its predecessor (DRAM training). Max memory is now 2G on the AST2600. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-10-clg@kaod.org [clg: - improved commit log - reworked model integration into new object class ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/misc/aspeed_sdmc.h | 1 + hw/misc/aspeed_scu.c | 2 + hw/misc/aspeed_sdmc.c | 82 +++++++++++++++++++++++++++++++++++ 3 files changed, 85 insertions(+) diff --git a/include/hw/misc/aspeed_sdmc.h b/include/hw/misc/aspeed_sdmc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/misc/aspeed_sdmc.h +++ b/include/hw/misc/aspeed_sdmc.h @@ -XXX,XX +XXX,XX @@ #define ASPEED_SDMC(obj) OBJECT_CHECK(AspeedSDMCState, (obj), TYPE_ASPEED_SDMC) #define TYPE_ASPEED_2400_SDMC TYPE_ASPEED_SDMC "-ast2400" #define TYPE_ASPEED_2500_SDMC TYPE_ASPEED_SDMC "-ast2500" +#define TYPE_ASPEED_2600_SDMC TYPE_ASPEED_SDMC "-ast2600" #define ASPEED_SDMC_NR_REGS (0x174 >> 2) diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -XXX,XX +XXX,XX @@ #define AST2600_CLK_STOP_CTRL_CLR TO_REG(0x84) #define AST2600_CLK_STOP_CTRL2 TO_REG(0x90) #define AST2600_CLK_STOP_CTR2L_CLR TO_REG(0x94) +#define AST2600_SDRAM_HANDSHAKE TO_REG(0x100) #define AST2600_HPLL_PARAM TO_REG(0x200) #define AST2600_HPLL_EXT TO_REG(0x204) #define AST2600_MPLL_EXT TO_REG(0x224) @@ -XXX,XX +XXX,XX @@ static const uint32_t ast2600_a0_resets[ASPEED_AST2600_SCU_NR_REGS] = { [AST2600_SYS_RST_CTRL2] = 0xFFFFFFFC, [AST2600_CLK_STOP_CTRL] = 0xEFF43E8B, [AST2600_CLK_STOP_CTRL2] = 0xFFF0FFF0, + [AST2600_SDRAM_HANDSHAKE] = 0x00000040, /* SoC completed DRAM init */ [AST2600_HPLL_PARAM] = 0x1000405F, }; diff --git a/hw/misc/aspeed_sdmc.c b/hw/misc/aspeed_sdmc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/aspeed_sdmc.c +++ b/hw/misc/aspeed_sdmc.c @@ -XXX,XX +XXX,XX @@ /* Control/Status Register #1 (ast2500) */ #define R_STATUS1 (0x60 / 4) #define PHY_BUSY_STATE BIT(0) +#define PHY_PLL_LOCK_STATUS BIT(4) #define R_ECC_TEST_CTRL (0x70 / 4) #define ECC_TEST_FINISHED BIT(12) @@ -XXX,XX +XXX,XX @@ #define ASPEED_SDMC_AST2500_512MB 0x2 #define ASPEED_SDMC_AST2500_1024MB 0x3 +#define ASPEED_SDMC_AST2600_256MB 0x0 +#define ASPEED_SDMC_AST2600_512MB 0x1 +#define ASPEED_SDMC_AST2600_1024MB 0x2 +#define ASPEED_SDMC_AST2600_2048MB 0x3 + #define ASPEED_SDMC_AST2500_READONLY_MASK \ (ASPEED_SDMC_HW_VERSION(0xf) | ASPEED_SDMC_CACHE_INITIAL_DONE | \ ASPEED_SDMC_AST2500_RESERVED | ASPEED_SDMC_VGA_COMPAT | \ @@ -XXX,XX +XXX,XX @@ static int ast2500_rambits(AspeedSDMCState *s) return ASPEED_SDMC_AST2500_512MB; } +static int ast2600_rambits(AspeedSDMCState *s) +{ + switch (s->ram_size >> 20) { + case 256: + return ASPEED_SDMC_AST2600_256MB; + case 512: + return ASPEED_SDMC_AST2600_512MB; + case 1024: + return ASPEED_SDMC_AST2600_1024MB; + case 2048: + return ASPEED_SDMC_AST2600_2048MB; + default: + break; + } + + /* use a common default */ + warn_report("Invalid RAM size 0x%" PRIx64 ". Using default 512M", + s->ram_size); + s->ram_size = 512 << 20; + return ASPEED_SDMC_AST2600_512MB; +} + static void aspeed_sdmc_reset(DeviceState *dev) { AspeedSDMCState *s = ASPEED_SDMC(dev); @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_2500_sdmc_info = { .class_init = aspeed_2500_sdmc_class_init, }; +static uint32_t aspeed_2600_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) +{ + uint32_t fixed_conf = ASPEED_SDMC_HW_VERSION(3) | + ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) | + ASPEED_SDMC_DRAM_SIZE(ast2600_rambits(s)); + + /* Make sure readonly bits are kept (use ast2500 mask) */ + data &= ~ASPEED_SDMC_AST2500_READONLY_MASK; + + return data | fixed_conf; +} + +static void aspeed_2600_sdmc_write(AspeedSDMCState *s, uint32_t reg, + uint32_t data) +{ + switch (reg) { + case R_CONF: + data = aspeed_2600_sdmc_compute_conf(s, data); + break; + case R_STATUS1: + /* Will never return 'busy'. 'lock status' is always set */ + data &= ~PHY_BUSY_STATE; + data |= PHY_PLL_LOCK_STATUS; + break; + case R_ECC_TEST_CTRL: + /* Always done, always happy */ + data |= ECC_TEST_FINISHED; + data &= ~ECC_TEST_FAIL; + break; + default: + break; + } + + s->regs[reg] = data; +} + +static void aspeed_2600_sdmc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); + + dc->desc = "ASPEED 2600 SDRAM Memory Controller"; + asc->max_ram_size = 2048 << 20; + asc->compute_conf = aspeed_2600_sdmc_compute_conf; + asc->write = aspeed_2600_sdmc_write; +} + +static const TypeInfo aspeed_2600_sdmc_info = { + .name = TYPE_ASPEED_2600_SDMC, + .parent = TYPE_ASPEED_SDMC, + .class_init = aspeed_2600_sdmc_class_init, +}; + static void aspeed_sdmc_register_types(void) { type_register_static(&aspeed_sdmc_info); type_register_static(&aspeed_2400_sdmc_info); type_register_static(&aspeed_2500_sdmc_info); + type_register_static(&aspeed_2600_sdmc_info); } type_init(aspeed_sdmc_register_types); -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> It cleanups the current models for the Aspeed AST2400 and AST2500 SoCs and prepares ground for future SoCs. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-11-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/watchdog/wdt_aspeed.h | 18 ++++- hw/arm/aspeed_soc.c | 9 ++- hw/watchdog/wdt_aspeed.c | 122 ++++++++++++++++--------------- 3 files changed, 86 insertions(+), 63 deletions(-) diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/watchdog/wdt_aspeed.h +++ b/include/hw/watchdog/wdt_aspeed.h @@ -XXX,XX +XXX,XX @@ #define TYPE_ASPEED_WDT "aspeed.wdt" #define ASPEED_WDT(obj) \ OBJECT_CHECK(AspeedWDTState, (obj), TYPE_ASPEED_WDT) +#define TYPE_ASPEED_2400_WDT TYPE_ASPEED_WDT "-ast2400" +#define TYPE_ASPEED_2500_WDT TYPE_ASPEED_WDT "-ast2500" #define ASPEED_WDT_REGS_MAX (0x20 / 4) @@ -XXX,XX +XXX,XX @@ typedef struct AspeedWDTState { AspeedSCUState *scu; uint32_t pclk_freq; - uint32_t silicon_rev; - uint32_t ext_pulse_width_mask; } AspeedWDTState; +#define ASPEED_WDT_CLASS(klass) \ + OBJECT_CLASS_CHECK(AspeedWDTClass, (klass), TYPE_ASPEED_WDT) +#define ASPEED_WDT_GET_CLASS(obj) \ + OBJECT_GET_CLASS(AspeedWDTClass, (obj), TYPE_ASPEED_WDT) + +typedef struct AspeedWDTClass { + SysBusDeviceClass parent_class; + + uint32_t offset; + uint32_t ext_pulse_width_mask; + uint32_t reset_ctrl_reg; + void (*reset_pulse)(AspeedWDTState *s, uint32_t property); +} AspeedWDTClass; + #endif /* WDT_ASPEED_H */ diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) "max-ram-size", &error_abort); for (i = 0; i < sc->info->wdts_num; i++) { + snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname); sysbus_init_child_obj(obj, "wdt[*]", OBJECT(&s->wdt[i]), - sizeof(s->wdt[i]), TYPE_ASPEED_WDT); - qdev_prop_set_uint32(DEVICE(&s->wdt[i]), "silicon-rev", - sc->info->silicon_rev); + sizeof(s->wdt[i]), typename); object_property_add_const_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu), &error_abort); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) /* Watch dog */ for (i = 0; i < sc->info->wdts_num; i++) { + AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]); + object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, - sc->info->memmap[ASPEED_WDT] + i * 0x20); + sc->info->memmap[ASPEED_WDT] + i * awc->offset); } /* Net */ diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c index XXXXXXX..XXXXXXX 100644 --- a/hw/watchdog/wdt_aspeed.c +++ b/hw/watchdog/wdt_aspeed.c @@ -XXX,XX +XXX,XX @@ static bool aspeed_wdt_is_enabled(const AspeedWDTState *s) return s->regs[WDT_CTRL] & WDT_CTRL_ENABLE; } -static bool is_ast2500(const AspeedWDTState *s) -{ - switch (s->silicon_rev) { - case AST2500_A0_SILICON_REV: - case AST2500_A1_SILICON_REV: - return true; - case AST2400_A0_SILICON_REV: - case AST2400_A1_SILICON_REV: - default: - break; - } - - return false; -} - static uint64_t aspeed_wdt_read(void *opaque, hwaddr offset, unsigned size) { AspeedWDTState *s = ASPEED_WDT(opaque); @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_write(void *opaque, hwaddr offset, uint64_t data, unsigned size) { AspeedWDTState *s = ASPEED_WDT(opaque); + AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(s); bool enable = data & WDT_CTRL_ENABLE; offset >>= 2; @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_write(void *opaque, hwaddr offset, uint64_t data, } break; case WDT_RESET_WIDTH: - { - uint32_t property = data & WDT_POLARITY_MASK; - - if (property && is_ast2500(s)) { - if (property == WDT_ACTIVE_HIGH_MAGIC) { - s->regs[WDT_RESET_WIDTH] |= WDT_RESET_WIDTH_ACTIVE_HIGH; - } else if (property == WDT_ACTIVE_LOW_MAGIC) { - s->regs[WDT_RESET_WIDTH] &= ~WDT_RESET_WIDTH_ACTIVE_HIGH; - } else if (property == WDT_PUSH_PULL_MAGIC) { - s->regs[WDT_RESET_WIDTH] |= WDT_RESET_WIDTH_PUSH_PULL; - } else if (property == WDT_OPEN_DRAIN_MAGIC) { - s->regs[WDT_RESET_WIDTH] &= ~WDT_RESET_WIDTH_PUSH_PULL; - } + if (awc->reset_pulse) { + awc->reset_pulse(s, data & WDT_POLARITY_MASK); } - s->regs[WDT_RESET_WIDTH] &= ~s->ext_pulse_width_mask; - s->regs[WDT_RESET_WIDTH] |= data & s->ext_pulse_width_mask; + s->regs[WDT_RESET_WIDTH] &= ~awc->ext_pulse_width_mask; + s->regs[WDT_RESET_WIDTH] |= data & awc->ext_pulse_width_mask; break; - } + case WDT_TIMEOUT_STATUS: case WDT_TIMEOUT_CLEAR: qemu_log_mask(LOG_UNIMP, @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_reset(DeviceState *dev) static void aspeed_wdt_timer_expired(void *dev) { AspeedWDTState *s = ASPEED_WDT(dev); + uint32_t reset_ctrl_reg = ASPEED_WDT_GET_CLASS(s)->reset_ctrl_reg; /* Do not reset on SDRAM controller reset */ - if (s->scu->regs[SCU_RESET_CONTROL1] & SCU_RESET_SDRAM) { + if (s->scu->regs[reset_ctrl_reg] & SCU_RESET_SDRAM) { timer_del(s->timer); s->regs[WDT_CTRL] = 0; return; @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_realize(DeviceState *dev, Error **errp) } s->scu = ASPEED_SCU(obj); - if (!is_supported_silicon_rev(s->silicon_rev)) { - error_setg(errp, "Unknown silicon revision: 0x%" PRIx32, - s->silicon_rev); - return; - } - - switch (s->silicon_rev) { - case AST2400_A0_SILICON_REV: - case AST2400_A1_SILICON_REV: - s->ext_pulse_width_mask = 0xff; - break; - case AST2500_A0_SILICON_REV: - case AST2500_A1_SILICON_REV: - s->ext_pulse_width_mask = 0xfffff; - break; - default: - g_assert_not_reached(); - } - s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, aspeed_wdt_timer_expired, dev); /* FIXME: This setting should be derived from the SCU hw strapping @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_realize(DeviceState *dev, Error **errp) sysbus_init_mmio(sbd, &s->iomem); } -static Property aspeed_wdt_properties[] = { - DEFINE_PROP_UINT32("silicon-rev", AspeedWDTState, silicon_rev, 0), - DEFINE_PROP_END_OF_LIST(), -}; - static void aspeed_wdt_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + dc->desc = "ASPEED Watchdog Controller"; dc->realize = aspeed_wdt_realize; dc->reset = aspeed_wdt_reset; set_bit(DEVICE_CATEGORY_MISC, dc->categories); dc->vmsd = &vmstate_aspeed_wdt; - dc->props = aspeed_wdt_properties; } static const TypeInfo aspeed_wdt_info = { @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_wdt_info = { .name = TYPE_ASPEED_WDT, .instance_size = sizeof(AspeedWDTState), .class_init = aspeed_wdt_class_init, + .class_size = sizeof(AspeedWDTClass), + .abstract = true, +}; + +static void aspeed_2400_wdt_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); + + dc->desc = "ASPEED 2400 Watchdog Controller"; + awc->offset = 0x20; + awc->ext_pulse_width_mask = 0xff; + awc->reset_ctrl_reg = SCU_RESET_CONTROL1; +} + +static const TypeInfo aspeed_2400_wdt_info = { + .name = TYPE_ASPEED_2400_WDT, + .parent = TYPE_ASPEED_WDT, + .instance_size = sizeof(AspeedWDTState), + .class_init = aspeed_2400_wdt_class_init, +}; + +static void aspeed_2500_wdt_reset_pulse(AspeedWDTState *s, uint32_t property) +{ + if (property) { + if (property == WDT_ACTIVE_HIGH_MAGIC) { + s->regs[WDT_RESET_WIDTH] |= WDT_RESET_WIDTH_ACTIVE_HIGH; + } else if (property == WDT_ACTIVE_LOW_MAGIC) { + s->regs[WDT_RESET_WIDTH] &= ~WDT_RESET_WIDTH_ACTIVE_HIGH; + } else if (property == WDT_PUSH_PULL_MAGIC) { + s->regs[WDT_RESET_WIDTH] |= WDT_RESET_WIDTH_PUSH_PULL; + } else if (property == WDT_OPEN_DRAIN_MAGIC) { + s->regs[WDT_RESET_WIDTH] &= ~WDT_RESET_WIDTH_PUSH_PULL; + } + } +} + +static void aspeed_2500_wdt_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); + + dc->desc = "ASPEED 2500 Watchdog Controller"; + awc->offset = 0x20; + awc->ext_pulse_width_mask = 0xfffff; + awc->reset_ctrl_reg = SCU_RESET_CONTROL1; + awc->reset_pulse = aspeed_2500_wdt_reset_pulse; +} + +static const TypeInfo aspeed_2500_wdt_info = { + .name = TYPE_ASPEED_2500_WDT, + .parent = TYPE_ASPEED_WDT, + .instance_size = sizeof(AspeedWDTState), + .class_init = aspeed_2500_wdt_class_init, }; static void wdt_aspeed_register_types(void) { watchdog_add_model(&model); type_register_static(&aspeed_wdt_info); + type_register_static(&aspeed_2400_wdt_info); + type_register_static(&aspeed_2500_wdt_info); } type_init(wdt_aspeed_register_types) -- 2.20.1 From: Joel Stanley <joel@jms.id.au> The AST2600 has four watchdogs, and they each have a 0x40 of registers. When running as part of an ast2600 system we must check a different offset for the system reset control register in the SCU. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-12-clg@kaod.org [clg: - reworked model integration into new object class ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/aspeed_soc.h | 2 +- include/hw/watchdog/wdt_aspeed.h | 1 + hw/watchdog/wdt_aspeed.c | 29 +++++++++++++++++++++++++++++ 3 files changed, 31 insertions(+), 1 deletion(-) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ #include "hw/sd/aspeed_sdhci.h" #define ASPEED_SPIS_NUM 2 -#define ASPEED_WDTS_NUM 3 +#define ASPEED_WDTS_NUM 4 #define ASPEED_CPUS_NUM 2 #define ASPEED_MACS_NUM 2 diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/watchdog/wdt_aspeed.h +++ b/include/hw/watchdog/wdt_aspeed.h @@ -XXX,XX +XXX,XX @@ OBJECT_CHECK(AspeedWDTState, (obj), TYPE_ASPEED_WDT) #define TYPE_ASPEED_2400_WDT TYPE_ASPEED_WDT "-ast2400" #define TYPE_ASPEED_2500_WDT TYPE_ASPEED_WDT "-ast2500" +#define TYPE_ASPEED_2600_WDT TYPE_ASPEED_WDT "-ast2600" #define ASPEED_WDT_REGS_MAX (0x20 / 4) diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c index XXXXXXX..XXXXXXX 100644 --- a/hw/watchdog/wdt_aspeed.c +++ b/hw/watchdog/wdt_aspeed.c @@ -XXX,XX +XXX,XX @@ #define WDT_DRIVE_TYPE_MASK (0xFF << 24) #define WDT_PUSH_PULL_MAGIC (0xA8 << 24) #define WDT_OPEN_DRAIN_MAGIC (0x8A << 24) +#define WDT_RESET_MASK1 (0x1c / 4) #define WDT_TIMEOUT_STATUS (0x10 / 4) #define WDT_TIMEOUT_CLEAR (0x14 / 4) #define WDT_RESTART_MAGIC 0x4755 +#define AST2600_SCU_RESET_CONTROL1 (0x40 / 4) #define SCU_RESET_CONTROL1 (0x04 / 4) #define SCU_RESET_SDRAM BIT(0) @@ -XXX,XX +XXX,XX @@ static uint64_t aspeed_wdt_read(void *opaque, hwaddr offset, unsigned size) return s->regs[WDT_CTRL]; case WDT_RESET_WIDTH: return s->regs[WDT_RESET_WIDTH]; + case WDT_RESET_MASK1: + return s->regs[WDT_RESET_MASK1]; case WDT_TIMEOUT_STATUS: case WDT_TIMEOUT_CLEAR: qemu_log_mask(LOG_UNIMP, @@ -XXX,XX +XXX,XX @@ static void aspeed_wdt_write(void *opaque, hwaddr offset, uint64_t data, s->regs[WDT_RESET_WIDTH] |= data & awc->ext_pulse_width_mask; break; + case WDT_RESET_MASK1: + /* TODO: implement */ + s->regs[WDT_RESET_MASK1] = data; + break; + case WDT_TIMEOUT_STATUS: case WDT_TIMEOUT_CLEAR: qemu_log_mask(LOG_UNIMP, @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_2500_wdt_info = { .class_init = aspeed_2500_wdt_class_init, }; +static void aspeed_2600_wdt_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); + + dc->desc = "ASPEED 2600 Watchdog Controller"; + awc->offset = 0x40; + awc->ext_pulse_width_mask = 0xfffff; /* TODO */ + awc->reset_ctrl_reg = AST2600_SCU_RESET_CONTROL1; + awc->reset_pulse = aspeed_2500_wdt_reset_pulse; +} + +static const TypeInfo aspeed_2600_wdt_info = { + .name = TYPE_ASPEED_2600_WDT, + .parent = TYPE_ASPEED_WDT, + .instance_size = sizeof(AspeedWDTState), + .class_init = aspeed_2600_wdt_class_init, +}; + static void wdt_aspeed_register_types(void) { watchdog_add_model(&model); type_register_static(&aspeed_wdt_info); type_register_static(&aspeed_2400_wdt_info); type_register_static(&aspeed_2500_wdt_info); + type_register_static(&aspeed_2600_wdt_info); } type_init(wdt_aspeed_register_types) -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> AST2600 will use a different encoding for the addresses defined in the Segment Register. Signed-off-by: Cédric Le Goater <clg@kaod.org> Acked-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-13-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/ssi/aspeed_smc.h | 4 ++++ hw/ssi/aspeed_smc.c | 45 ++++++++++++++++++++++++------------- 2 files changed, 34 insertions(+), 15 deletions(-) diff --git a/include/hw/ssi/aspeed_smc.h b/include/hw/ssi/aspeed_smc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/ssi/aspeed_smc.h +++ b/include/hw/ssi/aspeed_smc.h @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSMCController { hwaddr dma_flash_mask; hwaddr dma_dram_mask; uint32_t nregs; + uint32_t (*segment_to_reg)(const struct AspeedSMCState *s, + const AspeedSegments *seg); + void (*reg_to_segment)(const struct AspeedSMCState *s, uint32_t reg, + AspeedSegments *seg); } AspeedSMCController; typedef struct AspeedSMCFlash { diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -XXX,XX +XXX,XX @@ static const AspeedSegments aspeed_segments_ast2500_spi2[] = { { 0x38000000, 32 * 1024 * 1024 }, /* start address is readonly */ { 0x3A000000, 96 * 1024 * 1024 }, /* end address is readonly */ }; +static uint32_t aspeed_smc_segment_to_reg(const AspeedSMCState *s, + const AspeedSegments *seg); +static void aspeed_smc_reg_to_segment(const AspeedSMCState *s, uint32_t reg, + AspeedSegments *seg); static const AspeedSMCController controllers[] = { { @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .flash_window_size = 0x6000000, .has_dma = false, .nregs = ASPEED_SMC_R_SMC_MAX, + .segment_to_reg = aspeed_smc_segment_to_reg, + .reg_to_segment = aspeed_smc_reg_to_segment, }, { .name = "aspeed.fmc-ast2400", .r_conf = R_CONF, @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .dma_flash_mask = 0x0FFFFFFC, .dma_dram_mask = 0x1FFFFFFC, .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_smc_segment_to_reg, + .reg_to_segment = aspeed_smc_reg_to_segment, }, { .name = "aspeed.spi1-ast2400", .r_conf = R_SPI_CONF, @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .flash_window_size = 0x10000000, .has_dma = false, .nregs = ASPEED_SMC_R_SPI_MAX, + .segment_to_reg = aspeed_smc_segment_to_reg, + .reg_to_segment = aspeed_smc_reg_to_segment, }, { .name = "aspeed.fmc-ast2500", .r_conf = R_CONF, @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .dma_flash_mask = 0x0FFFFFFC, .dma_dram_mask = 0x3FFFFFFC, .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_smc_segment_to_reg, + .reg_to_segment = aspeed_smc_reg_to_segment, }, { .name = "aspeed.spi1-ast2500", .r_conf = R_CONF, @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .flash_window_size = 0x8000000, .has_dma = false, .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_smc_segment_to_reg, + .reg_to_segment = aspeed_smc_reg_to_segment, }, { .name = "aspeed.spi2-ast2500", .r_conf = R_CONF, @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .flash_window_size = 0x8000000, .has_dma = false, .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_smc_segment_to_reg, + .reg_to_segment = aspeed_smc_reg_to_segment, }, }; /* - * The Segment Register uses a 8MB unit to encode the start address - * and the end address of the mapping window of a flash SPI slave : - * - * | byte 1 | byte 2 | byte 3 | byte 4 | - * +--------+--------+--------+--------+ - * | end | start | 0 | 0 | - * + * The Segment Registers of the AST2400 and AST2500 have a 8MB + * unit. The address range of a flash SPI slave is encoded with + * absolute addresses which should be part of the overall controller + * window. */ -static inline uint32_t aspeed_smc_segment_to_reg(const AspeedSegments *seg) +static uint32_t aspeed_smc_segment_to_reg(const AspeedSMCState *s, + const AspeedSegments *seg) { uint32_t reg = 0; reg |= ((seg->addr >> 23) & SEG_START_MASK) << SEG_START_SHIFT; @@ -XXX,XX +XXX,XX @@ static inline uint32_t aspeed_smc_segment_to_reg(const AspeedSegments *seg) return reg; } -static inline void aspeed_smc_reg_to_segment(uint32_t reg, AspeedSegments *seg) +static void aspeed_smc_reg_to_segment(const AspeedSMCState *s, + uint32_t reg, AspeedSegments *seg) { seg->addr = ((reg >> SEG_START_SHIFT) & SEG_START_MASK) << 23; seg->size = (((reg >> SEG_END_SHIFT) & SEG_END_MASK) << 23) - seg->addr; @@ -XXX,XX +XXX,XX @@ static bool aspeed_smc_flash_overlap(const AspeedSMCState *s, continue; } - aspeed_smc_reg_to_segment(s->regs[R_SEG_ADDR0 + i], &seg); + s->ctrl->reg_to_segment(s, s->regs[R_SEG_ADDR0 + i], &seg); if (new->addr + new->size > seg.addr && new->addr < seg.addr + seg.size) { @@ -XXX,XX +XXX,XX @@ static void aspeed_smc_flash_set_segment(AspeedSMCState *s, int cs, AspeedSMCFlash *fl = &s->flashes[cs]; AspeedSegments seg; - aspeed_smc_reg_to_segment(new, &seg); + s->ctrl->reg_to_segment(s, new, &seg); /* The start address of CS0 is read-only */ if (cs == 0 && seg.addr != s->ctrl->flash_window_base) { @@ -XXX,XX +XXX,XX @@ static void aspeed_smc_flash_set_segment(AspeedSMCState *s, int cs, "%s: Tried to change CS0 start address to 0x%" HWADDR_PRIx "\n", s->ctrl->name, seg.addr); seg.addr = s->ctrl->flash_window_base; - new = aspeed_smc_segment_to_reg(&seg); + new = s->ctrl->segment_to_reg(s, &seg); } /* @@ -XXX,XX +XXX,XX @@ static void aspeed_smc_flash_set_segment(AspeedSMCState *s, int cs, HWADDR_PRIx "\n", s->ctrl->name, cs, seg.addr + seg.size); seg.size = s->ctrl->segments[cs].addr + s->ctrl->segments[cs].size - seg.addr; - new = aspeed_smc_segment_to_reg(&seg); + new = s->ctrl->segment_to_reg(s, &seg); } /* Keep the segment in the overall flash window */ @@ -XXX,XX +XXX,XX @@ static uint32_t aspeed_smc_check_segment_addr(const AspeedSMCFlash *fl, const AspeedSMCState *s = fl->controller; AspeedSegments seg; - aspeed_smc_reg_to_segment(s->regs[R_SEG_ADDR0 + fl->id], &seg); + s->ctrl->reg_to_segment(s, s->regs[R_SEG_ADDR0 + fl->id], &seg); if ((addr % seg.size) != addr) { qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid address 0x%08x for CS%d segment : " @@ -XXX,XX +XXX,XX @@ static void aspeed_smc_reset(DeviceState *d) /* setup default segment register values for all */ for (i = 0; i < s->ctrl->max_slaves; ++i) { s->regs[R_SEG_ADDR0 + i] = - aspeed_smc_segment_to_reg(&s->ctrl->segments[i]); + s->ctrl->segment_to_reg(s, &s->ctrl->segments[i]); } /* HW strapping flash type for FMC controllers */ -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The AST2600 SoC SMC controller is a SPI only controller now and has a few extensions which we will need to take into account when SW requires it. This is enough to support u-boot and Linux. Signed-off-by: Cédric Le Goater <clg@kaod.org> Acked-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-14-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/ssi/aspeed_smc.c | 132 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 128 insertions(+), 4 deletions(-) diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -XXX,XX +XXX,XX @@ #include "qemu/error-report.h" #include "qapi/error.h" #include "exec/address-spaces.h" +#include "qemu/units.h" #include "hw/irq.h" #include "hw/qdev-properties.h" @@ -XXX,XX +XXX,XX @@ #define CONF_FLASH_TYPE0 0 #define CONF_FLASH_TYPE_NOR 0x0 #define CONF_FLASH_TYPE_NAND 0x1 -#define CONF_FLASH_TYPE_SPI 0x2 +#define CONF_FLASH_TYPE_SPI 0x2 /* AST2600 is SPI only */ /* CE Control Register */ #define R_CE_CTRL (0x04 / 4) @@ -XXX,XX +XXX,XX @@ /* CEx Control Register */ #define R_CTRL0 (0x10 / 4) +#define CTRL_IO_QPI (1 << 31) +#define CTRL_IO_QUAD_DATA (1 << 30) #define CTRL_IO_DUAL_DATA (1 << 29) #define CTRL_IO_DUAL_ADDR_DATA (1 << 28) /* Includes dummies */ +#define CTRL_IO_QUAD_ADDR_DATA (1 << 28) /* Includes dummies */ #define CTRL_CMD_SHIFT 16 #define CTRL_CMD_MASK 0xff #define CTRL_DUMMY_HIGH_SHIFT 14 @@ -XXX,XX +XXX,XX @@ /* Misc Control Register #2 */ #define R_TIMINGS (0x94 / 4) -/* SPI controller registers and bits */ +/* SPI controller registers and bits (AST2400) */ #define R_SPI_CONF (0x00 / 4) #define SPI_CONF_ENABLE_W0 0 #define R_SPI_CTRL0 (0x4 / 4) @@ -XXX,XX +XXX,XX @@ static uint32_t aspeed_smc_segment_to_reg(const AspeedSMCState *s, static void aspeed_smc_reg_to_segment(const AspeedSMCState *s, uint32_t reg, AspeedSegments *seg); +/* + * AST2600 definitions + */ +#define ASPEED26_SOC_FMC_FLASH_BASE 0x20000000 +#define ASPEED26_SOC_SPI_FLASH_BASE 0x30000000 +#define ASPEED26_SOC_SPI2_FLASH_BASE 0x50000000 + +static const AspeedSegments aspeed_segments_ast2600_fmc[] = { + { 0x0, 128 * MiB }, /* start address is readonly */ + { 0x0, 0 }, /* disabled */ + { 0x0, 0 }, /* disabled */ +}; + +static const AspeedSegments aspeed_segments_ast2600_spi1[] = { + { 0x0, 128 * MiB }, /* start address is readonly */ + { 0x0, 0 }, /* disabled */ +}; + +static const AspeedSegments aspeed_segments_ast2600_spi2[] = { + { 0x0, 128 * MiB }, /* start address is readonly */ + { 0x0, 0 }, /* disabled */ + { 0x0, 0 }, /* disabled */ +}; + +static uint32_t aspeed_2600_smc_segment_to_reg(const AspeedSMCState *s, + const AspeedSegments *seg); +static void aspeed_2600_smc_reg_to_segment(const AspeedSMCState *s, + uint32_t reg, AspeedSegments *seg); + static const AspeedSMCController controllers[] = { { .name = "aspeed.smc-ast2400", @@ -XXX,XX +XXX,XX @@ static const AspeedSMCController controllers[] = { .nregs = ASPEED_SMC_R_MAX, .segment_to_reg = aspeed_smc_segment_to_reg, .reg_to_segment = aspeed_smc_reg_to_segment, + }, { + .name = "aspeed.fmc-ast2600", + .r_conf = R_CONF, + .r_ce_ctrl = R_CE_CTRL, + .r_ctrl0 = R_CTRL0, + .r_timings = R_TIMINGS, + .conf_enable_w0 = CONF_ENABLE_W0, + .max_slaves = 3, + .segments = aspeed_segments_ast2600_fmc, + .flash_window_base = ASPEED26_SOC_FMC_FLASH_BASE, + .flash_window_size = 0x10000000, + .has_dma = true, + .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_2600_smc_segment_to_reg, + .reg_to_segment = aspeed_2600_smc_reg_to_segment, + }, { + .name = "aspeed.spi1-ast2600", + .r_conf = R_CONF, + .r_ce_ctrl = R_CE_CTRL, + .r_ctrl0 = R_CTRL0, + .r_timings = R_TIMINGS, + .conf_enable_w0 = CONF_ENABLE_W0, + .max_slaves = 2, + .segments = aspeed_segments_ast2600_spi1, + .flash_window_base = ASPEED26_SOC_SPI_FLASH_BASE, + .flash_window_size = 0x10000000, + .has_dma = false, + .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_2600_smc_segment_to_reg, + .reg_to_segment = aspeed_2600_smc_reg_to_segment, + }, { + .name = "aspeed.spi2-ast2600", + .r_conf = R_CONF, + .r_ce_ctrl = R_CE_CTRL, + .r_ctrl0 = R_CTRL0, + .r_timings = R_TIMINGS, + .conf_enable_w0 = CONF_ENABLE_W0, + .max_slaves = 3, + .segments = aspeed_segments_ast2600_spi2, + .flash_window_base = ASPEED26_SOC_SPI2_FLASH_BASE, + .flash_window_size = 0x10000000, + .has_dma = false, + .nregs = ASPEED_SMC_R_MAX, + .segment_to_reg = aspeed_2600_smc_segment_to_reg, + .reg_to_segment = aspeed_2600_smc_reg_to_segment, }, }; @@ -XXX,XX +XXX,XX @@ static void aspeed_smc_reg_to_segment(const AspeedSMCState *s, seg->size = (((reg >> SEG_END_SHIFT) & SEG_END_MASK) << 23) - seg->addr; } +/* + * The Segment Registers of the AST2600 have a 1MB unit. The address + * range of a flash SPI slave is encoded with offsets in the overall + * controller window. The previous SoC AST2400 and AST2500 used + * absolute addresses. Only bits [27:20] are relevant and the end + * address is an upper bound limit. + */ +#define AST2600_SEG_ADDR_MASK 0x0ff00000 + +static uint32_t aspeed_2600_smc_segment_to_reg(const AspeedSMCState *s, + const AspeedSegments *seg) +{ + uint32_t reg = 0; + + /* Disabled segments have a nil register */ + if (!seg->size) { + return 0; + } + + reg |= (seg->addr & AST2600_SEG_ADDR_MASK) >> 16; /* start offset */ + reg |= (seg->addr + seg->size - 1) & AST2600_SEG_ADDR_MASK; /* end offset */ + return reg; +} + +static void aspeed_2600_smc_reg_to_segment(const AspeedSMCState *s, + uint32_t reg, AspeedSegments *seg) +{ + uint32_t start_offset = (reg << 16) & AST2600_SEG_ADDR_MASK; + uint32_t end_offset = reg & AST2600_SEG_ADDR_MASK; + + seg->addr = s->ctrl->flash_window_base + start_offset; + seg->size = end_offset + MiB - start_offset; +} + static bool aspeed_smc_flash_overlap(const AspeedSMCState *s, const AspeedSegments *new, int cs) @@ -XXX,XX +XXX,XX @@ static inline int aspeed_smc_flash_cmd(const AspeedSMCFlash *fl) const AspeedSMCState *s = fl->controller; int cmd = (s->regs[s->r_ctrl0 + fl->id] >> CTRL_CMD_SHIFT) & CTRL_CMD_MASK; - /* In read mode, the default SPI command is READ (0x3). In other - * modes, the command should necessarily be defined */ + /* + * In read mode, the default SPI command is READ (0x3). In other + * modes, the command should necessarily be defined + * + * TODO: add support for READ4 (0x13) on AST2600 + */ if (aspeed_smc_flash_mode(fl) == CTRL_READMODE) { cmd = SPI_OP_READ; } @@ -XXX,XX +XXX,XX @@ static void aspeed_smc_reset(DeviceState *d) s->ctrl->segment_to_reg(s, &s->ctrl->segments[i]); } + /* HW strapping flash type for the AST2600 controllers */ + if (s->ctrl->segments == aspeed_segments_ast2600_fmc) { + /* flash type is fixed to SPI for all */ + s->regs[s->r_conf] |= (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE0); + s->regs[s->r_conf] |= (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE1); + s->regs[s->r_conf] |= (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE2); + } + /* HW strapping flash type for FMC controllers */ if (s->ctrl->segments == aspeed_segments_ast2500_fmc) { /* flash type is fixed to SPI for CE0 and CE1 */ -- 2.20.1 From: Rashmica Gupta <rashmica.g@gmail.com> The AST2600 has the same sets of 3.6v gpios as the AST2400 plus an addtional two sets of 1.8V gpios. Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Acked-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-15-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/gpio/aspeed_gpio.c | 142 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 137 insertions(+), 5 deletions(-) diff --git a/hw/gpio/aspeed_gpio.c b/hw/gpio/aspeed_gpio.c index XXXXXXX..XXXXXXX 100644 --- a/hw/gpio/aspeed_gpio.c +++ b/hw/gpio/aspeed_gpio.c @@ -XXX,XX +XXX,XX @@ #define GPIO_3_6V_MEM_SIZE 0x1F0 #define GPIO_3_6V_REG_ARRAY_SIZE (GPIO_3_6V_MEM_SIZE >> 2) +/* AST2600 only - 1.8V gpios */ +/* + * The AST2600 has same 3.6V gpios as the AST2400 (memory offsets 0x0-0x198) + * and addtional 1.8V gpios (memory offsets 0x800-0x9D4). + */ +#define GPIO_1_8V_REG_OFFSET 0x800 +#define GPIO_1_8V_ABCD_DATA_VALUE ((0x800 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_DIRECTION ((0x804 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_INT_ENABLE ((0x808 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_INT_SENS_0 ((0x80C - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_INT_SENS_1 ((0x810 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_INT_SENS_2 ((0x814 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_INT_STATUS ((0x818 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_RESET_TOLERANT ((0x81C - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_DATA_VALUE ((0x820 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_DIRECTION ((0x824 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_INT_ENABLE ((0x828 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_INT_SENS_0 ((0x82C - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_INT_SENS_1 ((0x830 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_INT_SENS_2 ((0x834 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_INT_STATUS ((0x838 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_RESET_TOLERANT ((0x83C - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_DEBOUNCE_1 ((0x840 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_DEBOUNCE_2 ((0x844 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_DEBOUNCE_1 ((0x848 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_DEBOUNCE_2 ((0x84C - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_DEBOUNCE_TIME_1 ((0x850 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_DEBOUNCE_TIME_2 ((0x854 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_DEBOUNCE_TIME_3 ((0x858 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_COMMAND_SRC_0 ((0x860 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_COMMAND_SRC_1 ((0x864 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_COMMAND_SRC_0 ((0x868 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_COMMAND_SRC_1 ((0x86C - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_DATA_READ ((0x8C0 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_DATA_READ ((0x8C4 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_ABCD_INPUT_MASK ((0x9D0 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_E_INPUT_MASK ((0x9D4 - GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_1_8V_MEM_SIZE 0x9D8 +#define GPIO_1_8V_REG_ARRAY_SIZE ((GPIO_1_8V_MEM_SIZE - \ + GPIO_1_8V_REG_OFFSET) >> 2) +#define GPIO_MAX_MEM_SIZE MAX(GPIO_3_6V_MEM_SIZE, GPIO_1_8V_MEM_SIZE) + static int aspeed_evaluate_irq(GPIOSets *regs, int gpio_prev_high, int gpio) { uint32_t falling_edge = 0, rising_edge = 0; @@ -XXX,XX +XXX,XX @@ static const AspeedGPIOReg aspeed_3_6v_gpios[GPIO_3_6V_REG_ARRAY_SIZE] = { [GPIO_AC_INPUT_MASK] = { 7, gpio_reg_input_mask }, }; +static const AspeedGPIOReg aspeed_1_8v_gpios[GPIO_1_8V_REG_ARRAY_SIZE] = { + /* 1.8V Set ABCD */ + [GPIO_1_8V_ABCD_DATA_VALUE] = {0, gpio_reg_data_value}, + [GPIO_1_8V_ABCD_DIRECTION] = {0, gpio_reg_direction}, + [GPIO_1_8V_ABCD_INT_ENABLE] = {0, gpio_reg_int_enable}, + [GPIO_1_8V_ABCD_INT_SENS_0] = {0, gpio_reg_int_sens_0}, + [GPIO_1_8V_ABCD_INT_SENS_1] = {0, gpio_reg_int_sens_1}, + [GPIO_1_8V_ABCD_INT_SENS_2] = {0, gpio_reg_int_sens_2}, + [GPIO_1_8V_ABCD_INT_STATUS] = {0, gpio_reg_int_status}, + [GPIO_1_8V_ABCD_RESET_TOLERANT] = {0, gpio_reg_reset_tolerant}, + [GPIO_1_8V_ABCD_DEBOUNCE_1] = {0, gpio_reg_debounce_1}, + [GPIO_1_8V_ABCD_DEBOUNCE_2] = {0, gpio_reg_debounce_2}, + [GPIO_1_8V_ABCD_COMMAND_SRC_0] = {0, gpio_reg_cmd_source_0}, + [GPIO_1_8V_ABCD_COMMAND_SRC_1] = {0, gpio_reg_cmd_source_1}, + [GPIO_1_8V_ABCD_DATA_READ] = {0, gpio_reg_data_read}, + [GPIO_1_8V_ABCD_INPUT_MASK] = {0, gpio_reg_input_mask}, + /* 1.8V Set E */ + [GPIO_1_8V_E_DATA_VALUE] = {1, gpio_reg_data_value}, + [GPIO_1_8V_E_DIRECTION] = {1, gpio_reg_direction}, + [GPIO_1_8V_E_INT_ENABLE] = {1, gpio_reg_int_enable}, + [GPIO_1_8V_E_INT_SENS_0] = {1, gpio_reg_int_sens_0}, + [GPIO_1_8V_E_INT_SENS_1] = {1, gpio_reg_int_sens_1}, + [GPIO_1_8V_E_INT_SENS_2] = {1, gpio_reg_int_sens_2}, + [GPIO_1_8V_E_INT_STATUS] = {1, gpio_reg_int_status}, + [GPIO_1_8V_E_RESET_TOLERANT] = {1, gpio_reg_reset_tolerant}, + [GPIO_1_8V_E_DEBOUNCE_1] = {1, gpio_reg_debounce_1}, + [GPIO_1_8V_E_DEBOUNCE_2] = {1, gpio_reg_debounce_2}, + [GPIO_1_8V_E_COMMAND_SRC_0] = {1, gpio_reg_cmd_source_0}, + [GPIO_1_8V_E_COMMAND_SRC_1] = {1, gpio_reg_cmd_source_1}, + [GPIO_1_8V_E_DATA_READ] = {1, gpio_reg_data_read}, + [GPIO_1_8V_E_INPUT_MASK] = {1, gpio_reg_input_mask}, +}; + static uint64_t aspeed_gpio_read(void *opaque, hwaddr offset, uint32_t size) { AspeedGPIOState *s = ASPEED_GPIO(opaque); @@ -XXX,XX +XXX,XX @@ static void aspeed_gpio_get_pin(Object *obj, Visitor *v, const char *name, int set_idx, group_idx = 0; if (sscanf(name, "gpio%2[A-Z]%1d", group, &pin) != 2) { - error_setg(errp, "%s: error reading %s", __func__, name); - return; + /* 1.8V gpio */ + if (sscanf(name, "gpio%3s%1d", group, &pin) != 2) { + error_setg(errp, "%s: error reading %s", __func__, name); + return; + } } set_idx = get_set_idx(s, group, &group_idx); if (set_idx == -1) { @@ -XXX,XX +XXX,XX @@ static void aspeed_gpio_set_pin(Object *obj, Visitor *v, const char *name, return; } if (sscanf(name, "gpio%2[A-Z]%1d", group, &pin) != 2) { - error_setg(errp, "%s: error reading %s", __func__, name); - return; + /* 1.8V gpio */ + if (sscanf(name, "gpio%3s%1d", group, &pin) != 2) { + error_setg(errp, "%s: error reading %s", __func__, name); + return; + } } set_idx = get_set_idx(s, group, &group_idx); if (set_idx == -1) { @@ -XXX,XX +XXX,XX @@ static const GPIOSetProperties ast2500_set_props[] = { [7] = {0x000000ff, 0x000000ff, {"AC"} }, }; +static GPIOSetProperties ast2600_3_6v_set_props[] = { + [0] = {0xffffffff, 0xffffffff, {"A", "B", "C", "D"} }, + [1] = {0xffffffff, 0xffffffff, {"E", "F", "G", "H"} }, + [2] = {0xffffffff, 0xffffffff, {"I", "J", "K", "L"} }, + [3] = {0xffffffff, 0xffffffff, {"M", "N", "O", "P"} }, + [4] = {0xffffffff, 0xffffffff, {"Q", "R", "S", "T"} }, + [5] = {0xffffffff, 0x0000ffff, {"U", "V", "W", "X"} }, + [6] = {0xffff0000, 0x0fff0000, {"Y", "Z", "", ""} }, +}; + +static GPIOSetProperties ast2600_1_8v_set_props[] = { + [0] = {0xffffffff, 0xffffffff, {"18A", "18B", "18C", "18D"} }, + [1] = {0x0000000f, 0x0000000f, {"18E"} }, +}; + static const MemoryRegionOps aspeed_gpio_ops = { .read = aspeed_gpio_read, .write = aspeed_gpio_write, @@ -XXX,XX +XXX,XX @@ static void aspeed_gpio_realize(DeviceState *dev, Error **errp) } memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_gpio_ops, s, - TYPE_ASPEED_GPIO, GPIO_3_6V_MEM_SIZE); + TYPE_ASPEED_GPIO, GPIO_MAX_MEM_SIZE); sysbus_init_mmio(sbd, &s->iomem); } @@ -XXX,XX +XXX,XX @@ static void aspeed_gpio_2500_class_init(ObjectClass *klass, void *data) agc->reg_table = aspeed_3_6v_gpios; } +static void aspeed_gpio_ast2600_3_6v_class_init(ObjectClass *klass, void *data) +{ + AspeedGPIOClass *agc = ASPEED_GPIO_CLASS(klass); + + agc->props = ast2600_3_6v_set_props; + agc->nr_gpio_pins = 208; + agc->nr_gpio_sets = 7; + agc->reg_table = aspeed_3_6v_gpios; +} + +static void aspeed_gpio_ast2600_1_8v_class_init(ObjectClass *klass, void *data) +{ + AspeedGPIOClass *agc = ASPEED_GPIO_CLASS(klass); + + agc->props = ast2600_1_8v_set_props; + agc->nr_gpio_pins = 36; + agc->nr_gpio_sets = 2; + agc->reg_table = aspeed_1_8v_gpios; +} + static const TypeInfo aspeed_gpio_info = { .name = TYPE_ASPEED_GPIO, .parent = TYPE_SYS_BUS_DEVICE, @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_gpio_ast2500_info = { .instance_init = aspeed_gpio_init, }; +static const TypeInfo aspeed_gpio_ast2600_3_6v_info = { + .name = TYPE_ASPEED_GPIO "-ast2600", + .parent = TYPE_ASPEED_GPIO, + .class_init = aspeed_gpio_ast2600_3_6v_class_init, + .instance_init = aspeed_gpio_init, +}; + +static const TypeInfo aspeed_gpio_ast2600_1_8v_info = { + .name = TYPE_ASPEED_GPIO "-ast2600-1_8v", + .parent = TYPE_ASPEED_GPIO, + .class_init = aspeed_gpio_ast2600_1_8v_class_init, + .instance_init = aspeed_gpio_init, +}; + static void aspeed_gpio_register_types(void) { type_register_static(&aspeed_gpio_info); type_register_static(&aspeed_gpio_ast2400_info); type_register_static(&aspeed_gpio_ast2500_info); + type_register_static(&aspeed_gpio_ast2600_3_6v_info); + type_register_static(&aspeed_gpio_ast2600_1_8v_info); } type_init(aspeed_gpio_register_types); -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> It prepares ground for register differences between SoCs. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-16-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/i2c/aspeed_i2c.h | 15 ++++++++++ hw/arm/aspeed_soc.c | 3 +- hw/i2c/aspeed_i2c.c | 60 ++++++++++++++++++++++++++++++++----- 3 files changed, 69 insertions(+), 9 deletions(-) diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -XXX,XX +XXX,XX @@ #include "hw/sysbus.h" #define TYPE_ASPEED_I2C "aspeed.i2c" +#define TYPE_ASPEED_2400_I2C TYPE_ASPEED_I2C "-ast2400" +#define TYPE_ASPEED_2500_I2C TYPE_ASPEED_I2C "-ast2500" #define ASPEED_I2C(obj) \ OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C) @@ -XXX,XX +XXX,XX @@ typedef struct AspeedI2CState { AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES]; } AspeedI2CState; +#define ASPEED_I2C_CLASS(klass) \ + OBJECT_CLASS_CHECK(AspeedI2CClass, (klass), TYPE_ASPEED_I2C) +#define ASPEED_I2C_GET_CLASS(obj) \ + OBJECT_GET_CLASS(AspeedI2CClass, (obj), TYPE_ASPEED_I2C) + +typedef struct AspeedI2CClass { + SysBusDeviceClass parent_class; + + uint8_t num_busses; + uint8_t reg_size; + uint8_t gap; +} AspeedI2CClass; + I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr); #endif /* ASPEED_I2C_H */ diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) object_property_add_const_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu), &error_abort); + snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname); sysbus_init_child_obj(obj, "i2c", OBJECT(&s->i2c), sizeof(s->i2c), - TYPE_ASPEED_I2C); + typename); snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname); sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc), diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index XXXXXXX..XXXXXXX 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -XXX,XX +XXX,XX @@ static void aspeed_i2c_reset(DeviceState *dev) { int i; AspeedI2CState *s = ASPEED_I2C(dev); + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); s->intr_status = 0; - for (i = 0; i < ASPEED_I2C_NR_BUSSES; i++) { + for (i = 0; i < aic->num_busses; i++) { s->busses[i].intr_ctrl = 0; s->busses[i].intr_status = 0; s->busses[i].cmd = 0; @@ -XXX,XX +XXX,XX @@ static void aspeed_i2c_reset(DeviceState *dev) } /* - * Address Definitions + * Address Definitions (AST2400 and AST2500) * * 0x000 ... 0x03F: Global Register * 0x040 ... 0x07F: Device 1 @@ -XXX,XX +XXX,XX @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) int i; SysBusDevice *sbd = SYS_BUS_DEVICE(dev); AspeedI2CState *s = ASPEED_I2C(dev); + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s, "aspeed.i2c", 0x1000); sysbus_init_mmio(sbd, &s->iomem); - for (i = 0; i < ASPEED_I2C_NR_BUSSES; i++) { - char name[16]; - int offset = i < 7 ? 1 : 5; + for (i = 0; i < aic->num_busses; i++) { + char name[32]; + int offset = i < aic->gap ? 1 : 5; snprintf(name, sizeof(name), "aspeed.i2c.%d", i); s->busses[i].controller = s; s->busses[i].id = i; s->busses[i].bus = i2c_init_bus(dev, name); memory_region_init_io(&s->busses[i].mr, OBJECT(dev), - &aspeed_i2c_bus_ops, &s->busses[i], name, 0x40); - memory_region_add_subregion(&s->iomem, 0x40 * (i + offset), + &aspeed_i2c_bus_ops, &s->busses[i], name, + aic->reg_size); + memory_region_add_subregion(&s->iomem, aic->reg_size * (i + offset), &s->busses[i].mr); } } @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_i2c_info = { .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(AspeedI2CState), .class_init = aspeed_i2c_class_init, + .class_size = sizeof(AspeedI2CClass), + .abstract = true, +}; + +static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedI2CClass *aic = ASPEED_I2C_CLASS(klass); + + dc->desc = "ASPEED 2400 I2C Controller"; + + aic->num_busses = 14; + aic->reg_size = 0x40; + aic->gap = 7; +} + +static const TypeInfo aspeed_2400_i2c_info = { + .name = TYPE_ASPEED_2400_I2C, + .parent = TYPE_ASPEED_I2C, + .class_init = aspeed_2400_i2c_class_init, +}; + +static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedI2CClass *aic = ASPEED_I2C_CLASS(klass); + + dc->desc = "ASPEED 2500 I2C Controller"; + + aic->num_busses = 14; + aic->reg_size = 0x40; + aic->gap = 7; +} + +static const TypeInfo aspeed_2500_i2c_info = { + .name = TYPE_ASPEED_2500_I2C, + .parent = TYPE_ASPEED_I2C, + .class_init = aspeed_2500_i2c_class_init, }; static void aspeed_i2c_register_types(void) { type_register_static(&aspeed_i2c_info); + type_register_static(&aspeed_2400_i2c_info); + type_register_static(&aspeed_2500_i2c_info); } type_init(aspeed_i2c_register_types) @@ -XXX,XX +XXX,XX @@ type_init(aspeed_i2c_register_types) I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr) { AspeedI2CState *s = ASPEED_I2C(dev); + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); I2CBus *bus = NULL; - if (busnr >= 0 && busnr < ASPEED_I2C_NR_BUSSES) { + if (busnr >= 0 && busnr < aic->num_busses) { bus = s->busses[busnr].bus; } -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The I2C controller of the AST2400 and AST2500 SoCs have one IRQ shared by all I2C busses. The AST2600 SoC I2C controller has one IRQ per bus and 16 busses. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-17-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/i2c/aspeed_i2c.h | 5 +++- hw/i2c/aspeed_i2c.c | 46 +++++++++++++++++++++++++++++++++++-- 2 files changed, 48 insertions(+), 3 deletions(-) diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -XXX,XX +XXX,XX @@ #define TYPE_ASPEED_I2C "aspeed.i2c" #define TYPE_ASPEED_2400_I2C TYPE_ASPEED_I2C "-ast2400" #define TYPE_ASPEED_2500_I2C TYPE_ASPEED_I2C "-ast2500" +#define TYPE_ASPEED_2600_I2C TYPE_ASPEED_I2C "-ast2600" #define ASPEED_I2C(obj) \ OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C) -#define ASPEED_I2C_NR_BUSSES 14 +#define ASPEED_I2C_NR_BUSSES 16 struct AspeedI2CState; @@ -XXX,XX +XXX,XX @@ typedef struct AspeedI2CBus { I2CBus *bus; uint8_t id; + qemu_irq irq; uint32_t ctrl; uint32_t timing[2]; @@ -XXX,XX +XXX,XX @@ typedef struct AspeedI2CClass { uint8_t num_busses; uint8_t reg_size; uint8_t gap; + qemu_irq (*bus_get_irq)(AspeedI2CBus *); } AspeedI2CClass; I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr); diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index XXXXXXX..XXXXXXX 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -XXX,XX +XXX,XX @@ static inline bool aspeed_i2c_bus_is_enabled(AspeedI2CBus *bus) static inline void aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus) { + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); + bus->intr_status &= bus->intr_ctrl; if (bus->intr_status) { bus->controller->intr_status |= 1 << bus->id; - qemu_irq_raise(bus->controller->irq); + qemu_irq_raise(aic->bus_get_irq(bus)); } } @@ -XXX,XX +XXX,XX @@ static void aspeed_i2c_bus_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { AspeedI2CBus *bus = opaque; + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); bool handle_rx; switch (offset) { @@ -XXX,XX +XXX,XX @@ static void aspeed_i2c_bus_write(void *opaque, hwaddr offset, bus->intr_status &= ~(value & 0x7FFF); if (!bus->intr_status) { bus->controller->intr_status &= ~(1 << bus->id); - qemu_irq_lower(bus->controller->irq); + qemu_irq_lower(aic->bus_get_irq(bus)); } if (handle_rx && (bus->cmd & (I2CD_M_RX_CMD | I2CD_M_S_RX_CMD_LAST))) { aspeed_i2c_handle_rx_cmd(bus); @@ -XXX,XX +XXX,XX @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) for (i = 0; i < aic->num_busses; i++) { char name[32]; int offset = i < aic->gap ? 1 : 5; + + sysbus_init_irq(sbd, &s->busses[i].irq); snprintf(name, sizeof(name), "aspeed.i2c.%d", i); s->busses[i].controller = s; s->busses[i].id = i; @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_i2c_info = { .abstract = true, }; +static qemu_irq aspeed_2400_i2c_bus_get_irq(AspeedI2CBus *bus) +{ + return bus->controller->irq; +} + static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -XXX,XX +XXX,XX @@ static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) aic->num_busses = 14; aic->reg_size = 0x40; aic->gap = 7; + aic->bus_get_irq = aspeed_2400_i2c_bus_get_irq; } static const TypeInfo aspeed_2400_i2c_info = { @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_2400_i2c_info = { .class_init = aspeed_2400_i2c_class_init, }; +static qemu_irq aspeed_2500_i2c_bus_get_irq(AspeedI2CBus *bus) +{ + return bus->controller->irq; +} + static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -XXX,XX +XXX,XX @@ static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) aic->num_busses = 14; aic->reg_size = 0x40; aic->gap = 7; + aic->bus_get_irq = aspeed_2500_i2c_bus_get_irq; } static const TypeInfo aspeed_2500_i2c_info = { @@ -XXX,XX +XXX,XX @@ static const TypeInfo aspeed_2500_i2c_info = { .class_init = aspeed_2500_i2c_class_init, }; +static qemu_irq aspeed_2600_i2c_bus_get_irq(AspeedI2CBus *bus) +{ + return bus->irq; +} + +static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedI2CClass *aic = ASPEED_I2C_CLASS(klass); + + dc->desc = "ASPEED 2600 I2C Controller"; + + aic->num_busses = 16; + aic->reg_size = 0x80; + aic->gap = -1; /* no gap */ + aic->bus_get_irq = aspeed_2600_i2c_bus_get_irq; +} + +static const TypeInfo aspeed_2600_i2c_info = { + .name = TYPE_ASPEED_2600_I2C, + .parent = TYPE_ASPEED_I2C, + .class_init = aspeed_2600_i2c_class_init, +}; + static void aspeed_i2c_register_types(void) { type_register_static(&aspeed_i2c_info); type_register_static(&aspeed_2400_i2c_info); type_register_static(&aspeed_2500_i2c_info); + type_register_static(&aspeed_2600_i2c_info); } type_init(aspeed_i2c_register_types) -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> It prepares ground for the AST2600. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-18-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/aspeed_soc.h | 9 +-- hw/arm/aspeed.c | 4 +- hw/arm/aspeed_soc.c | 148 +++++++++++++++++++----------------- 3 files changed, 84 insertions(+), 77 deletions(-) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCState { #define TYPE_ASPEED_SOC "aspeed-soc" #define ASPEED_SOC(obj) OBJECT_CHECK(AspeedSoCState, (obj), TYPE_ASPEED_SOC) -typedef struct AspeedSoCInfo { +typedef struct AspeedSoCClass { + DeviceClass parent_class; + const char *name; const char *cpu_type; uint32_t silicon_rev; @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCInfo { const int *irqmap; const hwaddr *memmap; uint32_t num_cpus; -} AspeedSoCInfo; - -typedef struct AspeedSoCClass { - DeviceClass parent_class; - AspeedSoCInfo *info; } AspeedSoCClass; #define ASPEED_SOC_CLASS(klass) \ diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -XXX,XX +XXX,XX @@ static void aspeed_board_init(MachineState *machine, memory_region_allocate_system_memory(&bmc->ram, NULL, "ram", ram_size); memory_region_add_subregion(&bmc->ram_container, 0, &bmc->ram); memory_region_add_subregion(get_system_memory(), - sc->info->memmap[ASPEED_SDRAM], + sc->memmap[ASPEED_SDRAM], &bmc->ram_container); max_ram_size = object_property_get_uint(OBJECT(&bmc->soc), "max-ram-size", @@ -XXX,XX +XXX,XX @@ static void aspeed_board_init(MachineState *machine, } aspeed_board_binfo.ram_size = ram_size; - aspeed_board_binfo.loader_start = sc->info->memmap[ASPEED_SDRAM]; + aspeed_board_binfo.loader_start = sc->memmap[ASPEED_SDRAM]; aspeed_board_binfo.nb_cpus = bmc->soc.num_cpus; if (cfg->i2c_init) { diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static const int aspeed_soc_ast2400_irqmap[] = { #define aspeed_soc_ast2500_irqmap aspeed_soc_ast2400_irqmap -static const AspeedSoCInfo aspeed_socs[] = { - { - .name = "ast2400-a1", - .cpu_type = ARM_CPU_TYPE_NAME("arm926"), - .silicon_rev = AST2400_A1_SILICON_REV, - .sram_size = 0x8000, - .spis_num = 1, - .wdts_num = 2, - .irqmap = aspeed_soc_ast2400_irqmap, - .memmap = aspeed_soc_ast2400_memmap, - .num_cpus = 1, - }, { - .name = "ast2500-a1", - .cpu_type = ARM_CPU_TYPE_NAME("arm1176"), - .silicon_rev = AST2500_A1_SILICON_REV, - .sram_size = 0x9000, - .spis_num = 2, - .wdts_num = 3, - .irqmap = aspeed_soc_ast2500_irqmap, - .memmap = aspeed_soc_ast2500_memmap, - .num_cpus = 1, - }, -}; - static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl) { AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); - return qdev_get_gpio_in(DEVICE(&s->vic), sc->info->irqmap[ctrl]); + return qdev_get_gpio_in(DEVICE(&s->vic), sc->irqmap[ctrl]); } static void aspeed_soc_init(Object *obj) @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) char socname[8]; char typename[64]; - if (sscanf(sc->info->name, "%7s", socname) != 1) { + if (sscanf(sc->name, "%7s", socname) != 1) { g_assert_not_reached(); } - for (i = 0; i < sc->info->num_cpus; i++) { + for (i = 0; i < sc->num_cpus; i++) { object_initialize_child(obj, "cpu[*]", OBJECT(&s->cpu[i]), - sizeof(s->cpu[i]), sc->info->cpu_type, + sizeof(s->cpu[i]), sc->cpu_type, &error_abort, NULL); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) sysbus_init_child_obj(obj, "scu", OBJECT(&s->scu), sizeof(s->scu), typename); qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev", - sc->info->silicon_rev); + sc->silicon_rev); object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), "hw-strap1", &error_abort); object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) object_property_add_alias(obj, "dram", OBJECT(&s->fmc), "dram", &error_abort); - for (i = 0; i < sc->info->spis_num; i++) { + for (i = 0; i < sc->spis_num; i++) { snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname); sysbus_init_child_obj(obj, "spi[*]", OBJECT(&s->spi[i]), sizeof(s->spi[i]), typename); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc), "max-ram-size", &error_abort); - for (i = 0; i < sc->info->wdts_num; i++) { + for (i = 0; i < sc->wdts_num; i++) { snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname); sysbus_init_child_obj(obj, "wdt[*]", OBJECT(&s->wdt[i]), sizeof(s->wdt[i]), typename); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) Error *err = NULL, *local_err = NULL; /* IO space */ - create_unimplemented_device("aspeed_soc.io", sc->info->memmap[ASPEED_IOMEM], + create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_IOMEM], ASPEED_SOC_IOMEM_SIZE); - if (s->num_cpus > sc->info->num_cpus) { + if (s->num_cpus > sc->num_cpus) { warn_report("%s: invalid number of CPUs %d, using default %d", - sc->info->name, s->num_cpus, sc->info->num_cpus); - s->num_cpus = sc->info->num_cpus; + sc->name, s->num_cpus, sc->num_cpus); + s->num_cpus = sc->num_cpus; } /* CPU */ @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) /* SRAM */ memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram", - sc->info->sram_size, &err); + sc->sram_size, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), - sc->info->memmap[ASPEED_SRAM], &s->sram); + sc->memmap[ASPEED_SRAM], &s->sram); /* SCU */ object_property_set_bool(OBJECT(&s->scu), true, "realized", &err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->info->memmap[ASPEED_SCU]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_SCU]); /* VIC */ object_property_set_bool(OBJECT(&s->vic), true, "realized", &err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->vic), 0, sc->info->memmap[ASPEED_VIC]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->vic), 0, sc->memmap[ASPEED_VIC]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 0, qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 1, @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->info->memmap[ASPEED_RTC]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_RTC]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0, aspeed_soc_get_irq(s, ASPEED_RTC)); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0, - sc->info->memmap[ASPEED_TIMER1]); + sc->memmap[ASPEED_TIMER1]); for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) { qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_TIMER1 + i); sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) /* UART - attach an 8250 to the IO space as our UART5 */ if (serial_hd(0)) { qemu_irq uart5 = aspeed_soc_get_irq(s, ASPEED_UART5); - serial_mm_init(get_system_memory(), sc->info->memmap[ASPEED_UART5], 2, + serial_mm_init(get_system_memory(), sc->memmap[ASPEED_UART5], 2, uart5, 38400, serial_hd(0), DEVICE_LITTLE_ENDIAN); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->info->memmap[ASPEED_I2C]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_I2C]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), 0, aspeed_soc_get_irq(s, ASPEED_I2C)); /* FMC, The number of CS is set at the board level */ - object_property_set_int(OBJECT(&s->fmc), sc->info->memmap[ASPEED_SDRAM], + object_property_set_int(OBJECT(&s->fmc), sc->memmap[ASPEED_SDRAM], "sdram-base", &err); if (err) { error_propagate(errp, err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->info->memmap[ASPEED_FMC]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_FMC]); sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1, s->fmc.ctrl->flash_window_base); sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0, aspeed_soc_get_irq(s, ASPEED_FMC)); /* SPI */ - for (i = 0; i < sc->info->spis_num; i++) { + for (i = 0; i < sc->spis_num; i++) { object_property_set_int(OBJECT(&s->spi[i]), 1, "num-cs", &err); object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &local_err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, - sc->info->memmap[ASPEED_SPI1 + i]); + sc->memmap[ASPEED_SPI1 + i]); sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1, s->spi[i].ctrl->flash_window_base); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->info->memmap[ASPEED_SDMC]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->memmap[ASPEED_SDMC]); /* Watch dog */ - for (i = 0; i < sc->info->wdts_num; i++) { + for (i = 0; i < sc->wdts_num; i++) { AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]); object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized", &err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, - sc->info->memmap[ASPEED_WDT] + i * awc->offset); + sc->memmap[ASPEED_WDT] + i * awc->offset); } /* Net */ @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0, - sc->info->memmap[ASPEED_ETH1 + i]); + sc->memmap[ASPEED_ETH1 + i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0, aspeed_soc_get_irq(s, ASPEED_ETH1 + i)); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0, - sc->info->memmap[ASPEED_XDMA]); + sc->memmap[ASPEED_XDMA]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0, aspeed_soc_get_irq(s, ASPEED_XDMA)); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->info->memmap[ASPEED_GPIO]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_GPIO]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0, aspeed_soc_get_irq(s, ASPEED_GPIO)); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0, - sc->info->memmap[ASPEED_SDHCI]); + sc->memmap[ASPEED_SDHCI]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, aspeed_soc_get_irq(s, ASPEED_SDHCI)); } @@ -XXX,XX +XXX,XX @@ static Property aspeed_soc_properties[] = { static void aspeed_soc_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); - AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc); - sc->info = (AspeedSoCInfo *) data; dc->realize = aspeed_soc_realize; /* Reason: Uses serial_hds and nd_table in realize() directly */ dc->user_creatable = false; @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo aspeed_soc_type_info = { .name = TYPE_ASPEED_SOC, .parent = TYPE_DEVICE, - .instance_init = aspeed_soc_init, .instance_size = sizeof(AspeedSoCState), .class_size = sizeof(AspeedSoCClass), + .class_init = aspeed_soc_class_init, .abstract = true, }; -static void aspeed_soc_register_types(void) +static void aspeed_soc_ast2400_class_init(ObjectClass *oc, void *data) { - int i; + AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc); - type_register_static(&aspeed_soc_type_info); - for (i = 0; i < ARRAY_SIZE(aspeed_socs); ++i) { - TypeInfo ti = { - .name = aspeed_socs[i].name, - .parent = TYPE_ASPEED_SOC, - .class_init = aspeed_soc_class_init, - .class_data = (void *) &aspeed_socs[i], - }; - type_register(&ti); - } + sc->name = "ast2400-a1"; + sc->cpu_type = ARM_CPU_TYPE_NAME("arm926"); + sc->silicon_rev = AST2400_A1_SILICON_REV; + sc->sram_size = 0x8000; + sc->spis_num = 1; + sc->wdts_num = 2; + sc->irqmap = aspeed_soc_ast2400_irqmap; + sc->memmap = aspeed_soc_ast2400_memmap; + sc->num_cpus = 1; } +static const TypeInfo aspeed_soc_ast2400_type_info = { + .name = "ast2400-a1", + .parent = TYPE_ASPEED_SOC, + .instance_init = aspeed_soc_init, + .instance_size = sizeof(AspeedSoCState), + .class_init = aspeed_soc_ast2400_class_init, +}; + +static void aspeed_soc_ast2500_class_init(ObjectClass *oc, void *data) +{ + AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc); + + sc->name = "ast2500-a1"; + sc->cpu_type = ARM_CPU_TYPE_NAME("arm1176"); + sc->silicon_rev = AST2500_A1_SILICON_REV; + sc->sram_size = 0x9000; + sc->spis_num = 2; + sc->wdts_num = 3; + sc->irqmap = aspeed_soc_ast2500_irqmap; + sc->memmap = aspeed_soc_ast2500_memmap; + sc->num_cpus = 1; +} + +static const TypeInfo aspeed_soc_ast2500_type_info = { + .name = "ast2500-a1", + .parent = TYPE_ASPEED_SOC, + .instance_init = aspeed_soc_init, + .instance_size = sizeof(AspeedSoCState), + .class_init = aspeed_soc_ast2500_class_init, +}; +static void aspeed_soc_register_types(void) +{ + type_register_static(&aspeed_soc_type_info); + type_register_static(&aspeed_soc_ast2400_type_info); + type_register_static(&aspeed_soc_ast2500_type_info); +}; + type_init(aspeed_soc_register_types) -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> Initial definitions for a simple machine using an AST2600 SoC (Cortex CPU). The Cortex CPU and its interrupt controller are too complex to handle in the common Aspeed SoC framework. We introduce a new Aspeed SoC class with instance_init and realize handlers to handle the differences with the AST2400 and the AST2500 SoCs. This will add extra work to keep in sync both models with future extensions but it makes the code clearer. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-19-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/arm/Makefile.objs | 2 +- include/hw/arm/aspeed_soc.h | 4 + hw/arm/aspeed_ast2600.c | 492 ++++++++++++++++++++++++++++++++++++ 3 files changed, 497 insertions(+), 1 deletion(-) create mode 100644 hw/arm/aspeed_ast2600.c diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -XXX,XX +XXX,XX @@ obj-$(CONFIG_XLNX_VERSAL) += xlnx-versal.o xlnx-versal-virt.o obj-$(CONFIG_FSL_IMX25) += fsl-imx25.o imx25_pdk.o obj-$(CONFIG_FSL_IMX31) += fsl-imx31.o kzm.o obj-$(CONFIG_FSL_IMX6) += fsl-imx6.o -obj-$(CONFIG_ASPEED_SOC) += aspeed_soc.o aspeed.o +obj-$(CONFIG_ASPEED_SOC) += aspeed_soc.o aspeed.o aspeed_ast2600.o obj-$(CONFIG_MPS2) += mps2.o obj-$(CONFIG_MPS2) += mps2-tz.o obj-$(CONFIG_MSF2) += msf2-soc.o diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ #ifndef ASPEED_SOC_H #define ASPEED_SOC_H +#include "hw/cpu/a15mpcore.h" #include "hw/intc/aspeed_vic.h" #include "hw/misc/aspeed_scu.h" #include "hw/misc/aspeed_sdmc.h" @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCState { /*< public >*/ ARMCPU cpu[ASPEED_CPUS_NUM]; uint32_t num_cpus; + A15MPPrivState a7mpcore; MemoryRegion sram; AspeedVICState vic; AspeedRtcState rtc; @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCState { AspeedWDTState wdt[ASPEED_WDTS_NUM]; FTGMAC100State ftgmac100[ASPEED_MACS_NUM]; AspeedGPIOState gpio; + AspeedGPIOState gpio_1_8v; AspeedSDHCIState sdhci; } AspeedSoCState; @@ -XXX,XX +XXX,XX @@ enum { ASPEED_SRAM, ASPEED_SDHCI, ASPEED_GPIO, + ASPEED_GPIO_1_8V, ASPEED_RTC, ASPEED_TIMER1, ASPEED_TIMER2, diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c new file mode 100644 index XXXXXXX..XXXXXXX --- /dev/null +++ b/hw/arm/aspeed_ast2600.c @@ -XXX,XX +XXX,XX @@ +/* + * ASPEED SoC 2600 family + * + * Copyright (c) 2016-2019, IBM Corporation. + * + * This code is licensed under the GPL version 2 or later. See + * the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "cpu.h" +#include "exec/address-spaces.h" +#include "hw/misc/unimp.h" +#include "hw/arm/aspeed_soc.h" +#include "hw/char/serial.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "qemu/error-report.h" +#include "hw/i2c/aspeed_i2c.h" +#include "net/net.h" +#include "sysemu/sysemu.h" + +#define ASPEED_SOC_IOMEM_SIZE 0x00200000 + +static const hwaddr aspeed_soc_ast2600_memmap[] = { + [ASPEED_SRAM] = 0x10000000, + /* 0x16000000 0x17FFFFFF : AHB BUS do LPC Bus bridge */ + [ASPEED_IOMEM] = 0x1E600000, + [ASPEED_PWM] = 0x1E610000, + [ASPEED_FMC] = 0x1E620000, + [ASPEED_SPI1] = 0x1E630000, + [ASPEED_SPI2] = 0x1E641000, + [ASPEED_ETH1] = 0x1E660000, + [ASPEED_ETH2] = 0x1E680000, + [ASPEED_VIC] = 0x1E6C0000, + [ASPEED_SDMC] = 0x1E6E0000, + [ASPEED_SCU] = 0x1E6E2000, + [ASPEED_XDMA] = 0x1E6E7000, + [ASPEED_ADC] = 0x1E6E9000, + [ASPEED_SDHCI] = 0x1E740000, + [ASPEED_GPIO] = 0x1E780000, + [ASPEED_GPIO_1_8V] = 0x1E780800, + [ASPEED_RTC] = 0x1E781000, + [ASPEED_TIMER1] = 0x1E782000, + [ASPEED_WDT] = 0x1E785000, + [ASPEED_LPC] = 0x1E789000, + [ASPEED_IBT] = 0x1E789140, + [ASPEED_I2C] = 0x1E78A000, + [ASPEED_UART1] = 0x1E783000, + [ASPEED_UART5] = 0x1E784000, + [ASPEED_VUART] = 0x1E787000, + [ASPEED_SDRAM] = 0x80000000, +}; + +#define ASPEED_A7MPCORE_ADDR 0x40460000 + +#define ASPEED_SOC_AST2600_MAX_IRQ 128 + +static const int aspeed_soc_ast2600_irqmap[] = { + [ASPEED_UART1] = 47, + [ASPEED_UART2] = 48, + [ASPEED_UART3] = 49, + [ASPEED_UART4] = 50, + [ASPEED_UART5] = 8, + [ASPEED_VUART] = 8, + [ASPEED_FMC] = 39, + [ASPEED_SDMC] = 0, + [ASPEED_SCU] = 12, + [ASPEED_ADC] = 78, + [ASPEED_XDMA] = 6, + [ASPEED_SDHCI] = 43, + [ASPEED_GPIO] = 40, + [ASPEED_GPIO_1_8V] = 11, + [ASPEED_RTC] = 13, + [ASPEED_TIMER1] = 16, + [ASPEED_TIMER2] = 17, + [ASPEED_TIMER3] = 18, + [ASPEED_TIMER4] = 19, + [ASPEED_TIMER5] = 20, + [ASPEED_TIMER6] = 21, + [ASPEED_TIMER7] = 22, + [ASPEED_TIMER8] = 23, + [ASPEED_WDT] = 24, + [ASPEED_PWM] = 44, + [ASPEED_LPC] = 35, + [ASPEED_IBT] = 35, /* LPC */ + [ASPEED_I2C] = 110, /* 110 -> 125 */ + [ASPEED_ETH1] = 2, + [ASPEED_ETH2] = 3, +}; + +static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl) +{ + AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); + + return qdev_get_gpio_in(DEVICE(&s->a7mpcore), sc->irqmap[ctrl]); +} + +static void aspeed_soc_ast2600_init(Object *obj) +{ + AspeedSoCState *s = ASPEED_SOC(obj); + AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); + int i; + char socname[8]; + char typename[64]; + + if (sscanf(sc->name, "%7s", socname) != 1) { + g_assert_not_reached(); + } + + for (i = 0; i < sc->num_cpus; i++) { + object_initialize_child(obj, "cpu[*]", OBJECT(&s->cpu[i]), + sizeof(s->cpu[i]), sc->cpu_type, + &error_abort, NULL); + } + + snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname); + sysbus_init_child_obj(obj, "scu", OBJECT(&s->scu), sizeof(s->scu), + typename); + qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev", + sc->silicon_rev); + object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), + "hw-strap1", &error_abort); + object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), + "hw-strap2", &error_abort); + object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu), + "hw-prot-key", &error_abort); + + sysbus_init_child_obj(obj, "a7mpcore", &s->a7mpcore, + sizeof(s->a7mpcore), TYPE_A15MPCORE_PRIV); + + sysbus_init_child_obj(obj, "rtc", OBJECT(&s->rtc), sizeof(s->rtc), + TYPE_ASPEED_RTC); + + snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname); + sysbus_init_child_obj(obj, "timerctrl", OBJECT(&s->timerctrl), + sizeof(s->timerctrl), typename); + object_property_add_const_link(OBJECT(&s->timerctrl), "scu", + OBJECT(&s->scu), &error_abort); + + snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname); + sysbus_init_child_obj(obj, "i2c", OBJECT(&s->i2c), sizeof(s->i2c), + typename); + + snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname); + sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc), + typename); + object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs", + &error_abort); + object_property_add_alias(obj, "dram", OBJECT(&s->fmc), "dram", + &error_abort); + + for (i = 0; i < sc->spis_num; i++) { + snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname); + sysbus_init_child_obj(obj, "spi[*]", OBJECT(&s->spi[i]), + sizeof(s->spi[i]), typename); + } + + snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname); + sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc), + typename); + object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc), + "ram-size", &error_abort); + object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc), + "max-ram-size", &error_abort); + + for (i = 0; i < sc->wdts_num; i++) { + snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname); + sysbus_init_child_obj(obj, "wdt[*]", OBJECT(&s->wdt[i]), + sizeof(s->wdt[i]), typename); + object_property_add_const_link(OBJECT(&s->wdt[i]), "scu", + OBJECT(&s->scu), &error_abort); + } + + for (i = 0; i < ASPEED_MACS_NUM; i++) { + sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]), + sizeof(s->ftgmac100[i]), TYPE_FTGMAC100); + } + + sysbus_init_child_obj(obj, "xdma", OBJECT(&s->xdma), sizeof(s->xdma), + TYPE_ASPEED_XDMA); + + snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname); + sysbus_init_child_obj(obj, "gpio", OBJECT(&s->gpio), sizeof(s->gpio), + typename); + + snprintf(typename, sizeof(typename), "aspeed.gpio-%s-1_8v", socname); + sysbus_init_child_obj(obj, "gpio_1_8v", OBJECT(&s->gpio_1_8v), + sizeof(s->gpio_1_8v), typename); + + sysbus_init_child_obj(obj, "sdc", OBJECT(&s->sdhci), sizeof(s->sdhci), + TYPE_ASPEED_SDHCI); + + /* Init sd card slot class here so that they're under the correct parent */ + for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) { + sysbus_init_child_obj(obj, "sdhci[*]", OBJECT(&s->sdhci.slots[i]), + sizeof(s->sdhci.slots[i]), TYPE_SYSBUS_SDHCI); + } +} + +/* + * ASPEED ast2600 has 0xf as cluster ID + * + * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0388e/CIHEBGFG.html + */ +static uint64_t aspeed_calc_affinity(int cpu) +{ + return (0xf << ARM_AFF1_SHIFT) | cpu; +} + +static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) +{ + int i; + AspeedSoCState *s = ASPEED_SOC(dev); + AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); + Error *err = NULL, *local_err = NULL; + qemu_irq irq; + + /* IO space */ + create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_IOMEM], + ASPEED_SOC_IOMEM_SIZE); + + if (s->num_cpus > sc->num_cpus) { + warn_report("%s: invalid number of CPUs %d, using default %d", + sc->name, s->num_cpus, sc->num_cpus); + s->num_cpus = sc->num_cpus; + } + + /* CPU */ + for (i = 0; i < s->num_cpus; i++) { + object_property_set_int(OBJECT(&s->cpu[i]), QEMU_PSCI_CONDUIT_SMC, + "psci-conduit", &error_abort); + if (s->num_cpus > 1) { + object_property_set_int(OBJECT(&s->cpu[i]), + ASPEED_A7MPCORE_ADDR, + "reset-cbar", &error_abort); + } + object_property_set_int(OBJECT(&s->cpu[i]), aspeed_calc_affinity(i), + "mp-affinity", &error_abort); + + /* + * TODO: the secondary CPUs are started and a boot helper + * is needed when using -kernel + */ + + object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + } + + /* A7MPCORE */ + object_property_set_int(OBJECT(&s->a7mpcore), s->num_cpus, "num-cpu", + &error_abort); + object_property_set_int(OBJECT(&s->a7mpcore), + ASPEED_SOC_AST2600_MAX_IRQ + GIC_INTERNAL, + "num-irq", &error_abort); + + object_property_set_bool(OBJECT(&s->a7mpcore), true, "realized", + &error_abort); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->a7mpcore), 0, ASPEED_A7MPCORE_ADDR); + + for (i = 0; i < s->num_cpus; i++) { + SysBusDevice *sbd = SYS_BUS_DEVICE(&s->a7mpcore); + DeviceState *d = DEVICE(qemu_get_cpu(i)); + + irq = qdev_get_gpio_in(d, ARM_CPU_IRQ); + sysbus_connect_irq(sbd, i, irq); + irq = qdev_get_gpio_in(d, ARM_CPU_FIQ); + sysbus_connect_irq(sbd, i + s->num_cpus, irq); + irq = qdev_get_gpio_in(d, ARM_CPU_VIRQ); + sysbus_connect_irq(sbd, i + 2 * s->num_cpus, irq); + irq = qdev_get_gpio_in(d, ARM_CPU_VFIQ); + sysbus_connect_irq(sbd, i + 3 * s->num_cpus, irq); + } + + /* SRAM */ + memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram", + sc->sram_size, &err); + if (err) { + error_propagate(errp, err); + return; + } + memory_region_add_subregion(get_system_memory(), + sc->memmap[ASPEED_SRAM], &s->sram); + + /* SCU */ + object_property_set_bool(OBJECT(&s->scu), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_SCU]); + + /* RTC */ + object_property_set_bool(OBJECT(&s->rtc), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_RTC]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0, + aspeed_soc_get_irq(s, ASPEED_RTC)); + + /* Timer */ + object_property_set_bool(OBJECT(&s->timerctrl), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0, + sc->memmap[ASPEED_TIMER1]); + for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) { + qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_TIMER1 + i); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq); + } + + /* UART - attach an 8250 to the IO space as our UART5 */ + if (serial_hd(0)) { + qemu_irq uart5 = aspeed_soc_get_irq(s, ASPEED_UART5); + serial_mm_init(get_system_memory(), sc->memmap[ASPEED_UART5], 2, + uart5, 38400, serial_hd(0), DEVICE_LITTLE_ENDIAN); + } + + /* I2C */ + object_property_set_bool(OBJECT(&s->i2c), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_I2C]); + for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) { + qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->a7mpcore), + sc->irqmap[ASPEED_I2C] + i); + /* + * The AST2600 SoC has one IRQ per I2C bus. Skip the common + * IRQ (AST2400 and AST2500) and connect all bussses. + */ + sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), i + 1, irq); + } + + /* FMC, The number of CS is set at the board level */ + object_property_set_int(OBJECT(&s->fmc), sc->memmap[ASPEED_SDRAM], + "sdram-base", &err); + if (err) { + error_propagate(errp, err); + return; + } + object_property_set_bool(OBJECT(&s->fmc), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_FMC]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1, + s->fmc.ctrl->flash_window_base); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0, + aspeed_soc_get_irq(s, ASPEED_FMC)); + + /* SPI */ + for (i = 0; i < sc->spis_num; i++) { + object_property_set_int(OBJECT(&s->spi[i]), 1, "num-cs", &err); + object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", + &local_err); + error_propagate(&err, local_err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, + sc->memmap[ASPEED_SPI1 + i]); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1, + s->spi[i].ctrl->flash_window_base); + } + + /* SDMC - SDRAM Memory Controller */ + object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->memmap[ASPEED_SDMC]); + + /* Watch dog */ + for (i = 0; i < sc->wdts_num; i++) { + AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]); + + object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, + sc->memmap[ASPEED_WDT] + i * awc->offset); + } + + /* Net */ + for (i = 0; i < nb_nics; i++) { + qdev_set_nic_properties(DEVICE(&s->ftgmac100[i]), &nd_table[i]); + object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "aspeed", + &err); + object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "realized", + &local_err); + error_propagate(&err, local_err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0, + sc->memmap[ASPEED_ETH1 + i]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0, + aspeed_soc_get_irq(s, ASPEED_ETH1 + i)); + } + + /* XDMA */ + object_property_set_bool(OBJECT(&s->xdma), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0, + sc->memmap[ASPEED_XDMA]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0, + aspeed_soc_get_irq(s, ASPEED_XDMA)); + + /* GPIO */ + object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_GPIO]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0, + aspeed_soc_get_irq(s, ASPEED_GPIO)); + + object_property_set_bool(OBJECT(&s->gpio_1_8v), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio_1_8v), 0, + sc->memmap[ASPEED_GPIO_1_8V]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio_1_8v), 0, + aspeed_soc_get_irq(s, ASPEED_GPIO_1_8V)); + + /* SDHCI */ + object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0, + sc->memmap[ASPEED_SDHCI]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, + aspeed_soc_get_irq(s, ASPEED_SDHCI)); +} + +static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc); + + dc->realize = aspeed_soc_ast2600_realize; + + sc->name = "ast2600-a0"; + sc->cpu_type = ARM_CPU_TYPE_NAME("cortex-a7"); + sc->silicon_rev = AST2600_A0_SILICON_REV; + sc->sram_size = 0x10000; + sc->spis_num = 2; + sc->wdts_num = 4; + sc->irqmap = aspeed_soc_ast2600_irqmap; + sc->memmap = aspeed_soc_ast2600_memmap; + sc->num_cpus = 2; +} + +static const TypeInfo aspeed_soc_ast2600_type_info = { + .name = "ast2600-a0", + .parent = TYPE_ASPEED_SOC, + .instance_size = sizeof(AspeedSoCState), + .instance_init = aspeed_soc_ast2600_init, + .class_init = aspeed_soc_ast2600_class_init, + .class_size = sizeof(AspeedSoCClass), +}; + +static void aspeed_soc_register_types(void) +{ + type_register_static(&aspeed_soc_ast2600_type_info); +}; + +type_init(aspeed_soc_register_types) -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-20-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/block/m25p80.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index XXXXXXX..XXXXXXX 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -XXX,XX +XXX,XX @@ static const FlashPartInfo known_devices[] = { { INFO("w25q80", 0xef5014, 0, 64 << 10, 16, ER_4K) }, { INFO("w25q80bl", 0xef4014, 0, 64 << 10, 16, ER_4K) }, { INFO("w25q256", 0xef4019, 0, 64 << 10, 512, ER_4K) }, + { INFO("w25q512jv", 0xef4020, 0, 64 << 10, 1024, ER_4K) }, }; typedef enum { -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-21-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/aspeed.h | 1 + hw/arm/aspeed.c | 23 +++++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/include/hw/arm/aspeed.h b/include/hw/arm/aspeed.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed.h +++ b/include/hw/arm/aspeed.h @@ -XXX,XX +XXX,XX @@ typedef struct AspeedBoardConfig { const char *desc; const char *soc_name; uint32_t hw_strap1; + uint32_t hw_strap2; const char *fmc_model; const char *spi_model; uint32_t num_cs; diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -XXX,XX +XXX,XX @@ struct AspeedBoardState { /* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */ #define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1 +/* AST2600 evb hardware value */ +#define AST2600_EVB_HW_STRAP1 0x000000C0 +#define AST2600_EVB_HW_STRAP2 0x00000003 + /* * The max ram region is for firmwares that scan the address space * with load/store to guess how much RAM the SoC has. @@ -XXX,XX +XXX,XX @@ static void aspeed_board_init(MachineState *machine, &error_abort); object_property_set_int(OBJECT(&bmc->soc), cfg->hw_strap1, "hw-strap1", &error_abort); + object_property_set_int(OBJECT(&bmc->soc), cfg->hw_strap2, "hw-strap2", + &error_abort); object_property_set_int(OBJECT(&bmc->soc), cfg->num_cs, "num-cs", &error_abort); object_property_set_int(OBJECT(&bmc->soc), machine->smp.cpus, "num-cpus", @@ -XXX,XX +XXX,XX @@ static void ast2500_evb_i2c_init(AspeedBoardState *bmc) i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "ds1338", 0x32); } +static void ast2600_evb_i2c_init(AspeedBoardState *bmc) +{ + /* Start with some devices on our I2C busses */ + ast2500_evb_i2c_init(bmc); +} + static void romulus_bmc_i2c_init(AspeedBoardState *bmc) { AspeedSoCState *soc = &bmc->soc; @@ -XXX,XX +XXX,XX @@ static const AspeedBoardConfig aspeed_boards[] = { .num_cs = 2, .i2c_init = witherspoon_bmc_i2c_init, .ram = 512 * MiB, + }, { + .name = MACHINE_TYPE_NAME("ast2600-evb"), + .desc = "Aspeed AST2600 EVB (Cortex A7)", + .soc_name = "ast2600-a0", + .hw_strap1 = AST2600_EVB_HW_STRAP1, + .hw_strap2 = AST2600_EVB_HW_STRAP2, + .fmc_model = "w25q512jv", + .spi_model = "mx66u51235f", + .num_cs = 1, + .i2c_init = ast2600_evb_i2c_init, + .ram = 2 * GiB, }, }; -- 2.20.1 From: Joel Stanley <joel@jms.id.au> To support the ast2600's four MACs allow SoCs to specify the number they have, and create that many. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-22-clg@kaod.org [clg: - included a check on sc->macs_num when realizing the macs - included interrupt definitions for the AST2600 ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/aspeed_soc.h | 5 ++++- hw/arm/aspeed_ast2600.c | 10 ++++++++-- hw/arm/aspeed_soc.c | 6 ++++-- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ #define ASPEED_SPIS_NUM 2 #define ASPEED_WDTS_NUM 4 #define ASPEED_CPUS_NUM 2 -#define ASPEED_MACS_NUM 2 +#define ASPEED_MACS_NUM 4 typedef struct AspeedSoCState { /*< private >*/ @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCClass { uint64_t sram_size; int spis_num; int wdts_num; + int macs_num; const int *irqmap; const hwaddr *memmap; uint32_t num_cpus; @@ -XXX,XX +XXX,XX @@ enum { ASPEED_I2C, ASPEED_ETH1, ASPEED_ETH2, + ASPEED_ETH3, + ASPEED_ETH4, ASPEED_SDRAM, ASPEED_XDMA, }; diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2600_memmap[] = { [ASPEED_SPI1] = 0x1E630000, [ASPEED_SPI2] = 0x1E641000, [ASPEED_ETH1] = 0x1E660000, + [ASPEED_ETH3] = 0x1E670000, [ASPEED_ETH2] = 0x1E680000, + [ASPEED_ETH4] = 0x1E690000, [ASPEED_VIC] = 0x1E6C0000, [ASPEED_SDMC] = 0x1E6E0000, [ASPEED_SCU] = 0x1E6E2000, @@ -XXX,XX +XXX,XX @@ static const int aspeed_soc_ast2600_irqmap[] = { [ASPEED_I2C] = 110, /* 110 -> 125 */ [ASPEED_ETH1] = 2, [ASPEED_ETH2] = 3, + [ASPEED_ETH3] = 32, + [ASPEED_ETH4] = 33, + }; static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl) @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2600_init(Object *obj) OBJECT(&s->scu), &error_abort); } - for (i = 0; i < ASPEED_MACS_NUM; i++) { + for (i = 0; i < sc->macs_num; i++) { sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]), sizeof(s->ftgmac100[i]), TYPE_FTGMAC100); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) } /* Net */ - for (i = 0; i < nb_nics; i++) { + for (i = 0; i < nb_nics && i < sc->macs_num; i++) { qdev_set_nic_properties(DEVICE(&s->ftgmac100[i]), &nd_table[i]); object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "aspeed", &err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data) sc->sram_size = 0x10000; sc->spis_num = 2; sc->wdts_num = 4; + sc->macs_num = 4; sc->irqmap = aspeed_soc_ast2600_irqmap; sc->memmap = aspeed_soc_ast2600_memmap; sc->num_cpus = 2; diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_init(Object *obj) OBJECT(&s->scu), &error_abort); } - for (i = 0; i < ASPEED_MACS_NUM; i++) { + for (i = 0; i < sc->macs_num; i++) { sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]), sizeof(s->ftgmac100[i]), TYPE_FTGMAC100); } @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) } /* Net */ - for (i = 0; i < nb_nics; i++) { + for (i = 0; i < nb_nics && i < sc->macs_num; i++) { qdev_set_nic_properties(DEVICE(&s->ftgmac100[i]), &nd_table[i]); object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "aspeed", &err); @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2400_class_init(ObjectClass *oc, void *data) sc->sram_size = 0x8000; sc->spis_num = 1; sc->wdts_num = 2; + sc->macs_num = 2; sc->irqmap = aspeed_soc_ast2400_irqmap; sc->memmap = aspeed_soc_ast2400_memmap; sc->num_cpus = 1; @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2500_class_init(ObjectClass *oc, void *data) sc->sram_size = 0x9000; sc->spis_num = 2; sc->wdts_num = 3; + sc->macs_num = 2; sc->irqmap = aspeed_soc_ast2500_irqmap; sc->memmap = aspeed_soc_ast2500_memmap; sc->num_cpus = 1; -- 2.20.1 From: Cédric Le Goater <clg@kaod.org> The AST2600 SoC has an extra controller to set the PHY registers. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20190925143248.10000-23-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/aspeed_soc.h | 5 ++ include/hw/net/ftgmac100.h | 17 ++++ hw/arm/aspeed_ast2600.c | 20 +++++ hw/net/ftgmac100.c | 162 ++++++++++++++++++++++++++++++++++++ 4 files changed, 204 insertions(+) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ typedef struct AspeedSoCState { AspeedSDMCState sdmc; AspeedWDTState wdt[ASPEED_WDTS_NUM]; FTGMAC100State ftgmac100[ASPEED_MACS_NUM]; + AspeedMiiState mii[ASPEED_MACS_NUM]; AspeedGPIOState gpio; AspeedGPIOState gpio_1_8v; AspeedSDHCIState sdhci; @@ -XXX,XX +XXX,XX @@ enum { ASPEED_ETH2, ASPEED_ETH3, ASPEED_ETH4, + ASPEED_MII1, + ASPEED_MII2, + ASPEED_MII3, + ASPEED_MII4, ASPEED_SDRAM, ASPEED_XDMA, }; diff --git a/include/hw/net/ftgmac100.h b/include/hw/net/ftgmac100.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/net/ftgmac100.h +++ b/include/hw/net/ftgmac100.h @@ -XXX,XX +XXX,XX @@ typedef struct FTGMAC100State { uint32_t rxdes0_edorr; } FTGMAC100State; +#define TYPE_ASPEED_MII "aspeed-mmi" +#define ASPEED_MII(obj) OBJECT_CHECK(AspeedMiiState, (obj), TYPE_ASPEED_MII) + +/* + * AST2600 MII controller + */ +typedef struct AspeedMiiState { + /*< private >*/ + SysBusDevice parent_obj; + + FTGMAC100State *nic; + + MemoryRegion iomem; + uint32_t phycr; + uint32_t phydata; +} AspeedMiiState; + #endif diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2600_memmap[] = { [ASPEED_FMC] = 0x1E620000, [ASPEED_SPI1] = 0x1E630000, [ASPEED_SPI2] = 0x1E641000, + [ASPEED_MII1] = 0x1E650000, + [ASPEED_MII2] = 0x1E650008, + [ASPEED_MII3] = 0x1E650010, + [ASPEED_MII4] = 0x1E650018, [ASPEED_ETH1] = 0x1E660000, [ASPEED_ETH3] = 0x1E670000, [ASPEED_ETH2] = 0x1E680000, @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2600_init(Object *obj) for (i = 0; i < sc->macs_num; i++) { sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]), sizeof(s->ftgmac100[i]), TYPE_FTGMAC100); + + sysbus_init_child_obj(obj, "mii[*]", &s->mii[i], sizeof(s->mii[i]), + TYPE_ASPEED_MII); + object_property_add_const_link(OBJECT(&s->mii[i]), "nic", + OBJECT(&s->ftgmac100[i]), + &error_abort); } sysbus_init_child_obj(obj, "xdma", OBJECT(&s->xdma), sizeof(s->xdma), @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) sc->memmap[ASPEED_ETH1 + i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0, aspeed_soc_get_irq(s, ASPEED_ETH1 + i)); + + object_property_set_bool(OBJECT(&s->mii[i]), true, "realized", + &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->mii[i]), 0, + sc->memmap[ASPEED_MII1 + i]); } /* XDMA */ diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c index XXXXXXX..XXXXXXX 100644 --- a/hw/net/ftgmac100.c +++ b/hw/net/ftgmac100.c @@ -XXX,XX +XXX,XX @@ #include "hw/irq.h" #include "hw/net/ftgmac100.h" #include "sysemu/dma.h" +#include "qapi/error.h" #include "qemu/log.h" #include "qemu/module.h" #include "net/checksum.h" @@ -XXX,XX +XXX,XX @@ static const TypeInfo ftgmac100_info = { .class_init = ftgmac100_class_init, }; +/* + * AST2600 MII controller + */ +#define ASPEED_MII_PHYCR_FIRE BIT(31) +#define ASPEED_MII_PHYCR_ST_22 BIT(28) +#define ASPEED_MII_PHYCR_OP(x) ((x) & (ASPEED_MII_PHYCR_OP_WRITE | \ + ASPEED_MII_PHYCR_OP_READ)) +#define ASPEED_MII_PHYCR_OP_WRITE BIT(26) +#define ASPEED_MII_PHYCR_OP_READ BIT(27) +#define ASPEED_MII_PHYCR_DATA(x) (x & 0xffff) +#define ASPEED_MII_PHYCR_PHY(x) (((x) >> 21) & 0x1f) +#define ASPEED_MII_PHYCR_REG(x) (((x) >> 16) & 0x1f) + +#define ASPEED_MII_PHYDATA_IDLE BIT(16) + +static void aspeed_mii_transition(AspeedMiiState *s, bool fire) +{ + if (fire) { + s->phycr |= ASPEED_MII_PHYCR_FIRE; + s->phydata &= ~ASPEED_MII_PHYDATA_IDLE; + } else { + s->phycr &= ~ASPEED_MII_PHYCR_FIRE; + s->phydata |= ASPEED_MII_PHYDATA_IDLE; + } +} + +static void aspeed_mii_do_phy_ctl(AspeedMiiState *s) +{ + uint8_t reg; + uint16_t data; + + if (!(s->phycr & ASPEED_MII_PHYCR_ST_22)) { + aspeed_mii_transition(s, !ASPEED_MII_PHYCR_FIRE); + qemu_log_mask(LOG_UNIMP, "%s: unsupported ST code\n", __func__); + return; + } + + /* Nothing to do */ + if (!(s->phycr & ASPEED_MII_PHYCR_FIRE)) { + return; + } + + reg = ASPEED_MII_PHYCR_REG(s->phycr); + data = ASPEED_MII_PHYCR_DATA(s->phycr); + + switch (ASPEED_MII_PHYCR_OP(s->phycr)) { + case ASPEED_MII_PHYCR_OP_WRITE: + do_phy_write(s->nic, reg, data); + break; + case ASPEED_MII_PHYCR_OP_READ: + s->phydata = (s->phydata & ~0xffff) | do_phy_read(s->nic, reg); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid OP code %08x\n", + __func__, s->phycr); + } + + aspeed_mii_transition(s, !ASPEED_MII_PHYCR_FIRE); +} + +static uint64_t aspeed_mii_read(void *opaque, hwaddr addr, unsigned size) +{ + AspeedMiiState *s = ASPEED_MII(opaque); + + switch (addr) { + case 0x0: + return s->phycr; + case 0x4: + return s->phydata; + default: + g_assert_not_reached(); + } +} + +static void aspeed_mii_write(void *opaque, hwaddr addr, + uint64_t value, unsigned size) +{ + AspeedMiiState *s = ASPEED_MII(opaque); + + switch (addr) { + case 0x0: + s->phycr = value & ~(s->phycr & ASPEED_MII_PHYCR_FIRE); + break; + case 0x4: + s->phydata = value & ~(0xffff | ASPEED_MII_PHYDATA_IDLE); + break; + default: + g_assert_not_reached(); + } + + aspeed_mii_transition(s, !!(s->phycr & ASPEED_MII_PHYCR_FIRE)); + aspeed_mii_do_phy_ctl(s); +} + +static const MemoryRegionOps aspeed_mii_ops = { + .read = aspeed_mii_read, + .write = aspeed_mii_write, + .valid.min_access_size = 4, + .valid.max_access_size = 4, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void aspeed_mii_reset(DeviceState *dev) +{ + AspeedMiiState *s = ASPEED_MII(dev); + + s->phycr = 0; + s->phydata = 0; + + aspeed_mii_transition(s, !!(s->phycr & ASPEED_MII_PHYCR_FIRE)); +}; + +static void aspeed_mii_realize(DeviceState *dev, Error **errp) +{ + AspeedMiiState *s = ASPEED_MII(dev); + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + Object *obj; + Error *local_err = NULL; + + obj = object_property_get_link(OBJECT(dev), "nic", &local_err); + if (!obj) { + error_propagate(errp, local_err); + error_prepend(errp, "required link 'nic' not found: "); + return; + } + + s->nic = FTGMAC100(obj); + + memory_region_init_io(&s->iomem, OBJECT(dev), &aspeed_mii_ops, s, + TYPE_ASPEED_MII, 0x8); + sysbus_init_mmio(sbd, &s->iomem); +} + +static const VMStateDescription vmstate_aspeed_mii = { + .name = TYPE_ASPEED_MII, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(phycr, FTGMAC100State), + VMSTATE_UINT32(phydata, FTGMAC100State), + VMSTATE_END_OF_LIST() + } +}; +static void aspeed_mii_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &vmstate_aspeed_mii; + dc->reset = aspeed_mii_reset; + dc->realize = aspeed_mii_realize; + dc->desc = "Aspeed MII controller"; +} + +static const TypeInfo aspeed_mii_info = { + .name = TYPE_ASPEED_MII, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(AspeedMiiState), + .class_init = aspeed_mii_class_init, +}; + static void ftgmac100_register_types(void) { type_register_static(&ftgmac100_info); + type_register_static(&aspeed_mii_info); } type_init(ftgmac100_register_types) -- 2.20.1 From: Joel Stanley <joel@jms.id.au> Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-24-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/aspeed_soc.h | 1 + hw/arm/aspeed_ast2600.c | 5 +++++ hw/arm/aspeed_soc.c | 6 ++++++ 3 files changed, 12 insertions(+) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -XXX,XX +XXX,XX @@ enum { ASPEED_SDMC, ASPEED_SCU, ASPEED_ADC, + ASPEED_VIDEO, ASPEED_SRAM, ASPEED_SDHCI, ASPEED_GPIO, diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2600_memmap[] = { [ASPEED_SCU] = 0x1E6E2000, [ASPEED_XDMA] = 0x1E6E7000, [ASPEED_ADC] = 0x1E6E9000, + [ASPEED_VIDEO] = 0x1E700000, [ASPEED_SDHCI] = 0x1E740000, [ASPEED_GPIO] = 0x1E780000, [ASPEED_GPIO_1_8V] = 0x1E780800, @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_IOMEM], ASPEED_SOC_IOMEM_SIZE); + /* Video engine stub */ + create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_VIDEO], + 0x1000); + if (s->num_cpus > sc->num_cpus) { warn_report("%s: invalid number of CPUs %d, using default %d", sc->name, s->num_cpus, sc->num_cpus); diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2400_memmap[] = { [ASPEED_SDMC] = 0x1E6E0000, [ASPEED_SCU] = 0x1E6E2000, [ASPEED_XDMA] = 0x1E6E7000, + [ASPEED_VIDEO] = 0x1E700000, [ASPEED_ADC] = 0x1E6E9000, [ASPEED_SRAM] = 0x1E720000, [ASPEED_SDHCI] = 0x1E740000, @@ -XXX,XX +XXX,XX @@ static const hwaddr aspeed_soc_ast2500_memmap[] = { [ASPEED_SCU] = 0x1E6E2000, [ASPEED_XDMA] = 0x1E6E7000, [ASPEED_ADC] = 0x1E6E9000, + [ASPEED_VIDEO] = 0x1E700000, [ASPEED_SRAM] = 0x1E720000, [ASPEED_SDHCI] = 0x1E740000, [ASPEED_GPIO] = 0x1E780000, @@ -XXX,XX +XXX,XX @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_IOMEM], ASPEED_SOC_IOMEM_SIZE); + /* Video engine stub */ + create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_VIDEO], + 0x1000); + if (s->num_cpus > sc->num_cpus) { warn_report("%s: invalid number of CPUs %d, using default %d", sc->name, s->num_cpus, sc->num_cpus); -- 2.20.1 From: Philippe Mathieu-Daudé <f4bug@amsat.org> IEC binary prefixes ease code review: the unit is explicit. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Cleber Rosa <crosa@redhat.com> Message-id: 20190926173428.10713-2-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/arm/raspi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/raspi.c +++ b/hw/arm/raspi.c @@ -XXX,XX +XXX,XX @@ static void raspi2_machine_init(MachineClass *mc) mc->max_cpus = BCM283X_NCPUS; mc->min_cpus = BCM283X_NCPUS; mc->default_cpus = BCM283X_NCPUS; - mc->default_ram_size = 1024 * 1024 * 1024; + mc->default_ram_size = 1 * GiB; mc->ignore_memory_transaction_failures = true; }; DEFINE_MACHINE("raspi2", raspi2_machine_init) @@ -XXX,XX +XXX,XX @@ static void raspi3_machine_init(MachineClass *mc) mc->max_cpus = BCM283X_NCPUS; mc->min_cpus = BCM283X_NCPUS; mc->default_cpus = BCM283X_NCPUS; - mc->default_ram_size = 1024 * 1024 * 1024; + mc->default_ram_size = 1 * GiB; } DEFINE_MACHINE("raspi3", raspi3_machine_init) #endif -- 2.20.1 From: Philippe Mathieu-Daudé <f4bug@amsat.org> Various logging improvements as once: - Use 0x prefix for hex numbers - Display value written during write accesses - Move some logs from GUEST_ERROR to UNIMP Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Cleber Rosa <crosa@redhat.com> Message-id: 20190926173428.10713-3-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/char/bcm2835_aux.c | 5 +++-- hw/dma/bcm2835_dma.c | 8 ++++---- hw/intc/bcm2836_control.c | 7 ++++--- hw/misc/bcm2835_mbox.c | 7 ++++--- hw/misc/bcm2835_property.c | 16 ++++++++++------ 5 files changed, 25 insertions(+), 18 deletions(-) diff --git a/hw/char/bcm2835_aux.c b/hw/char/bcm2835_aux.c index XXXXXXX..XXXXXXX 100644 --- a/hw/char/bcm2835_aux.c +++ b/hw/char/bcm2835_aux.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_aux_write(void *opaque, hwaddr offset, uint64_t value, switch (offset) { case AUX_ENABLES: if (value != 1) { - qemu_log_mask(LOG_UNIMP, "%s: unsupported attempt to enable SPI " - "or disable UART\n", __func__); + qemu_log_mask(LOG_UNIMP, "%s: unsupported attempt to enable SPI" + " or disable UART: 0x%"PRIx64"\n", + __func__, value); } break; diff --git a/hw/dma/bcm2835_dma.c b/hw/dma/bcm2835_dma.c index XXXXXXX..XXXXXXX 100644 --- a/hw/dma/bcm2835_dma.c +++ b/hw/dma/bcm2835_dma.c @@ -XXX,XX +XXX,XX @@ static uint64_t bcm2835_dma_read(BCM2835DMAState *s, hwaddr offset, res = ch->debug; break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, offset); break; } @@ -XXX,XX +XXX,XX @@ static void bcm2835_dma_write(BCM2835DMAState *s, hwaddr offset, ch->debug = value; break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, offset); break; } @@ -XXX,XX +XXX,XX @@ static uint64_t bcm2835_dma0_read(void *opaque, hwaddr offset, unsigned size) case BCM2708_DMA_ENABLE: return s->enable; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, offset); return 0; } @@ -XXX,XX +XXX,XX @@ static void bcm2835_dma0_write(void *opaque, hwaddr offset, uint64_t value, s->enable = (value & 0xffff); break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, offset); } } diff --git a/hw/intc/bcm2836_control.c b/hw/intc/bcm2836_control.c index XXXXXXX..XXXXXXX 100644 --- a/hw/intc/bcm2836_control.c +++ b/hw/intc/bcm2836_control.c @@ -XXX,XX +XXX,XX @@ static uint64_t bcm2836_control_read(void *opaque, hwaddr offset, unsigned size) } else if (offset >= REG_MBOX0_RDCLR && offset < REG_LIMIT) { return s->mailboxes[(offset - REG_MBOX0_RDCLR) >> 2]; } else { - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", + qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx"\n", __func__, offset); return 0; } @@ -XXX,XX +XXX,XX @@ static void bcm2836_control_write(void *opaque, hwaddr offset, } else if (offset >= REG_MBOX0_RDCLR && offset < REG_LIMIT) { s->mailboxes[(offset - REG_MBOX0_RDCLR) >> 2] &= ~val; } else { - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", - __func__, offset); + qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx + " value 0x%"PRIx64"\n", + __func__, offset, val); return; } diff --git a/hw/misc/bcm2835_mbox.c b/hw/misc/bcm2835_mbox.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/bcm2835_mbox.c +++ b/hw/misc/bcm2835_mbox.c @@ -XXX,XX +XXX,XX @@ static uint64_t bcm2835_mbox_read(void *opaque, hwaddr offset, unsigned size) break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", + qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx"\n", __func__, offset); return 0; } @@ -XXX,XX +XXX,XX @@ static void bcm2835_mbox_write(void *opaque, hwaddr offset, break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n", - __func__, offset); + qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx + " value 0x%"PRIx64"\n", + __func__, offset, value); return; } diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/bcm2835_property.c +++ b/hw/misc/bcm2835_property.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; case 0x00010001: /* Get board model */ qemu_log_mask(LOG_UNIMP, - "bcm2835_property: %x get board model NYI\n", tag); + "bcm2835_property: 0x%08x get board model NYI\n", + tag); resplen = 4; break; case 0x00010002: /* Get board revision */ @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; case 0x00010004: /* Get board serial */ qemu_log_mask(LOG_UNIMP, - "bcm2835_property: %x get board serial NYI\n", tag); + "bcm2835_property: 0x%08x get board serial NYI\n", + tag); resplen = 8; break; case 0x00010005: /* Get ARM memory */ @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) case 0x00038001: /* Set clock state */ qemu_log_mask(LOG_UNIMP, - "bcm2835_property: %x set clock state NYI\n", tag); + "bcm2835_property: 0x%08x set clock state NYI\n", + tag); resplen = 8; break; @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) case 0x00038004: /* Set max clock rate */ case 0x00038007: /* Set min clock rate */ qemu_log_mask(LOG_UNIMP, - "bcm2835_property: %x set clock rates NYI\n", tag); + "bcm2835_property: 0x%08x set clock rate NYI\n", + tag); resplen = 8; break; @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; default: - qemu_log_mask(LOG_GUEST_ERROR, - "bcm2835_property: unhandled tag %08x\n", tag); + qemu_log_mask(LOG_UNIMP, + "bcm2835_property: unhandled tag 0x%08x\n", tag); break; } -- 2.20.1 From: Philippe Mathieu-Daudé <f4bug@amsat.org> Various address spaces from the BCM2835 are reported as 'anonymous' in memory tree: (qemu) info mtree address-space: anonymous 0000000000000000-000000000000008f (prio 0, i/o): bcm2835-mbox 0000000000000010-000000000000001f (prio 0, i/o): bcm2835-fb 0000000000000080-000000000000008f (prio 0, i/o): bcm2835-property address-space: anonymous 0000000000000000-00000000ffffffff (prio 0, i/o): bcm2835-gpu 0000000000000000-000000003fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 0000000040000000-000000007fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 000000007e000000-000000007effffff (prio 1, i/o): alias bcm2835-peripherals @bcm2835-peripherals 0000000000000000-0000000000ffffff 0000000080000000-00000000bfffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 00000000c0000000-00000000ffffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff [...] Since the address_space_init() function takes a 'name' argument, set it to correctly describe each address space: (qemu) info mtree address-space: bcm2835-mbox-memory 0000000000000000-000000000000008f (prio 0, i/o): bcm2835-mbox 0000000000000010-000000000000001f (prio 0, i/o): bcm2835-fb 0000000000000080-000000000000008f (prio 0, i/o): bcm2835-property address-space: bcm2835-fb-memory 0000000000000000-00000000ffffffff (prio 0, i/o): bcm2835-gpu 0000000000000000-000000003fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 0000000040000000-000000007fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 000000007e000000-000000007effffff (prio 1, i/o): alias bcm2835-peripherals @bcm2835-peripherals 0000000000000000-0000000000ffffff 0000000080000000-00000000bfffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 00000000c0000000-00000000ffffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff address-space: bcm2835-property-memory 0000000000000000-00000000ffffffff (prio 0, i/o): bcm2835-gpu 0000000000000000-000000003fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 0000000040000000-000000007fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 000000007e000000-000000007effffff (prio 1, i/o): alias bcm2835-peripherals @bcm2835-peripherals 0000000000000000-0000000000ffffff 0000000080000000-00000000bfffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 00000000c0000000-00000000ffffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff address-space: bcm2835-dma-memory 0000000000000000-00000000ffffffff (prio 0, i/o): bcm2835-gpu 0000000000000000-000000003fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 0000000040000000-000000007fffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 000000007e000000-000000007effffff (prio 1, i/o): alias bcm2835-peripherals @bcm2835-peripherals 0000000000000000-0000000000ffffff 0000000080000000-00000000bfffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff 00000000c0000000-00000000ffffffff (prio 0, i/o): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Cleber Rosa <crosa@redhat.com> Message-id: 20190926173428.10713-4-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/display/bcm2835_fb.c | 2 +- hw/dma/bcm2835_dma.c | 2 +- hw/misc/bcm2835_mbox.c | 2 +- hw/misc/bcm2835_property.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/display/bcm2835_fb.c b/hw/display/bcm2835_fb.c index XXXXXXX..XXXXXXX 100644 --- a/hw/display/bcm2835_fb.c +++ b/hw/display/bcm2835_fb.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_fb_realize(DeviceState *dev, Error **errp) s->initial_config.base = s->vcram_base + BCM2835_FB_OFFSET; s->dma_mr = MEMORY_REGION(obj); - address_space_init(&s->dma_as, s->dma_mr, NULL); + address_space_init(&s->dma_as, s->dma_mr, TYPE_BCM2835_FB "-memory"); bcm2835_fb_reset(dev); diff --git a/hw/dma/bcm2835_dma.c b/hw/dma/bcm2835_dma.c index XXXXXXX..XXXXXXX 100644 --- a/hw/dma/bcm2835_dma.c +++ b/hw/dma/bcm2835_dma.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_dma_realize(DeviceState *dev, Error **errp) } s->dma_mr = MEMORY_REGION(obj); - address_space_init(&s->dma_as, s->dma_mr, NULL); + address_space_init(&s->dma_as, s->dma_mr, TYPE_BCM2835_DMA "-memory"); bcm2835_dma_reset(dev); } diff --git a/hw/misc/bcm2835_mbox.c b/hw/misc/bcm2835_mbox.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/bcm2835_mbox.c +++ b/hw/misc/bcm2835_mbox.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_mbox_realize(DeviceState *dev, Error **errp) } s->mbox_mr = MEMORY_REGION(obj); - address_space_init(&s->mbox_as, s->mbox_mr, NULL); + address_space_init(&s->mbox_as, s->mbox_mr, TYPE_BCM2835_MBOX "-memory"); bcm2835_mbox_reset(dev); } diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/bcm2835_property.c +++ b/hw/misc/bcm2835_property.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_realize(DeviceState *dev, Error **errp) } s->dma_mr = MEMORY_REGION(obj); - address_space_init(&s->dma_as, s->dma_mr, NULL); + address_space_init(&s->dma_as, s->dma_mr, TYPE_BCM2835_PROPERTY "-memory"); /* TODO: connect to MAC address of USB NIC device, once we emulate it */ qemu_macaddr_default_if_unset(&s->macaddr); -- 2.20.1 From: Philippe Mathieu-Daudé <f4bug@amsat.org> The UART1 is part of the AUX peripheral, the PCM_CLOCK (yet unimplemented) is part of the CPRMAN. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20190926173428.10713-5-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/raspi_platform.h | 16 +++++++--------- hw/arm/bcm2835_peripherals.c | 7 ++++--- hw/arm/bcm2836.c | 2 +- 3 files changed, 12 insertions(+), 13 deletions(-) diff --git a/include/hw/arm/raspi_platform.h b/include/hw/arm/raspi_platform.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/raspi_platform.h +++ b/include/hw/arm/raspi_platform.h @@ -XXX,XX +XXX,XX @@ #ifndef HW_ARM_RASPI_PLATFORM_H #define HW_ARM_RASPI_PLATFORM_H -#define MCORE_OFFSET 0x0000 /* Fake frame buffer device - * (the multicore sync block) */ +#define MSYNC_OFFSET 0x0000 /* Multicore Sync Block */ #define IC0_OFFSET 0x2000 #define ST_OFFSET 0x3000 /* System Timer */ #define MPHI_OFFSET 0x6000 /* Message-based Parallel Host Intf. */ @@ -XXX,XX +XXX,XX @@ #define ARMCTRL_TIMER0_1_OFFSET (ARM_OFFSET + 0x400) /* Timer 0 and 1 */ #define ARMCTRL_0_SBM_OFFSET (ARM_OFFSET + 0x800) /* User 0 (ARM) Semaphores * Doorbells & Mailboxes */ -#define PM_OFFSET 0x100000 /* Power Management, Reset controller - * and Watchdog registers */ -#define PCM_CLOCK_OFFSET 0x101098 +#define CPRMAN_OFFSET 0x100000 /* Power Management, Watchdog */ +#define CM_OFFSET 0x101000 /* Clock Management */ #define RNG_OFFSET 0x104000 #define GPIO_OFFSET 0x200000 #define UART0_OFFSET 0x201000 @@ -XXX,XX +XXX,XX @@ #define I2S_OFFSET 0x203000 #define SPI0_OFFSET 0x204000 #define BSC0_OFFSET 0x205000 /* BSC0 I2C/TWI */ -#define UART1_OFFSET 0x215000 -#define EMMC_OFFSET 0x300000 +#define AUX_OFFSET 0x215000 /* AUX: UART1/SPI1/SPI2 */ +#define EMMC1_OFFSET 0x300000 #define SMI_OFFSET 0x600000 #define BSC1_OFFSET 0x804000 /* BSC1 I2C/TWI */ -#define USB_OFFSET 0x980000 /* DTC_OTG USB controller */ +#define USB_OTG_OFFSET 0x980000 /* DTC_OTG USB controller */ #define DMA15_OFFSET 0xE05000 /* DMA controller, channel 15 */ /* GPU interrupts */ @@ -XXX,XX +XXX,XX @@ #define INTERRUPT_SPI 54 #define INTERRUPT_I2SPCM 55 #define INTERRUPT_SDIO 56 -#define INTERRUPT_UART 57 +#define INTERRUPT_UART0 57 #define INTERRUPT_SLIMBUS 58 #define INTERRUPT_VEC 59 #define INTERRUPT_CPG 60 diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/bcm2835_peripherals.c +++ b/hw/arm/bcm2835_peripherals.c @@ -XXX,XX +XXX,XX @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, - INTERRUPT_UART)); + INTERRUPT_UART0)); + /* AUX / UART1 */ qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1)); @@ -XXX,XX +XXX,XX @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) return; } - memory_region_add_subregion(&s->peri_mr, UART1_OFFSET, + memory_region_add_subregion(&s->peri_mr, AUX_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, @@ -XXX,XX +XXX,XX @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) return; } - memory_region_add_subregion(&s->peri_mr, EMMC_OFFSET, + memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, diff --git a/hw/arm/bcm2836.c b/hw/arm/bcm2836.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/bcm2836.c +++ b/hw/arm/bcm2836.c @@ -XXX,XX +XXX,XX @@ static void bcm2836_realize(DeviceState *dev, Error **errp) /* set periphbase/CBAR value for CPU-local registers */ object_property_set_int(OBJECT(&s->cpus[n]), - BCM2836_PERI_BASE + MCORE_OFFSET, + BCM2836_PERI_BASE + MSYNC_OFFSET, "reset-cbar", &err); if (err) { error_propagate(errp, err); -- 2.20.1 From: Philippe Mathieu-Daudé <f4bug@amsat.org> Base addresses and sizes taken from the "BCM2835 ARM Peripherals" datasheet from February 06 2012: https://www.raspberrypi.org/app/uploads/2012/02/BCM2835-ARM-Peripherals.pdf Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20190926173428.10713-6-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/arm/bcm2835_peripherals.h | 15 ++++++++++++++ include/hw/arm/raspi_platform.h | 8 +++++++ hw/arm/bcm2835_peripherals.c | 31 ++++++++++++++++++++++++++++ 3 files changed, 54 insertions(+) diff --git a/include/hw/arm/bcm2835_peripherals.h b/include/hw/arm/bcm2835_peripherals.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/bcm2835_peripherals.h +++ b/include/hw/arm/bcm2835_peripherals.h @@ -XXX,XX +XXX,XX @@ #include "hw/sd/sdhci.h" #include "hw/sd/bcm2835_sdhost.h" #include "hw/gpio/bcm2835_gpio.h" +#include "hw/misc/unimp.h" #define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals" #define BCM2835_PERIPHERALS(obj) \ @@ -XXX,XX +XXX,XX @@ typedef struct BCM2835PeripheralState { MemoryRegion ram_alias[4]; qemu_irq irq, fiq; + UnimplementedDeviceState systmr; + UnimplementedDeviceState armtmr; + UnimplementedDeviceState cprman; + UnimplementedDeviceState a2w; PL011State uart0; BCM2835AuxState aux; BCM2835FBState fb; @@ -XXX,XX +XXX,XX @@ typedef struct BCM2835PeripheralState { SDHCIState sdhci; BCM2835SDHostState sdhost; BCM2835GpioState gpio; + UnimplementedDeviceState i2s; + UnimplementedDeviceState spi[1]; + UnimplementedDeviceState i2c[3]; + UnimplementedDeviceState otp; + UnimplementedDeviceState dbus; + UnimplementedDeviceState ave0; + UnimplementedDeviceState bscsl; + UnimplementedDeviceState smi; + UnimplementedDeviceState dwc2; + UnimplementedDeviceState sdramc; } BCM2835PeripheralState; #endif /* BCM2835_PERIPHERALS_H */ diff --git a/include/hw/arm/raspi_platform.h b/include/hw/arm/raspi_platform.h index XXXXXXX..XXXXXXX 100644 --- a/include/hw/arm/raspi_platform.h +++ b/include/hw/arm/raspi_platform.h @@ -XXX,XX +XXX,XX @@ * Doorbells & Mailboxes */ #define CPRMAN_OFFSET 0x100000 /* Power Management, Watchdog */ #define CM_OFFSET 0x101000 /* Clock Management */ +#define A2W_OFFSET 0x102000 /* Reset controller */ +#define AVS_OFFSET 0x103000 /* Audio Video Standard */ #define RNG_OFFSET 0x104000 #define GPIO_OFFSET 0x200000 #define UART0_OFFSET 0x201000 @@ -XXX,XX +XXX,XX @@ #define I2S_OFFSET 0x203000 #define SPI0_OFFSET 0x204000 #define BSC0_OFFSET 0x205000 /* BSC0 I2C/TWI */ +#define OTP_OFFSET 0x20f000 +#define BSC_SL_OFFSET 0x214000 /* SPI slave */ #define AUX_OFFSET 0x215000 /* AUX: UART1/SPI1/SPI2 */ #define EMMC1_OFFSET 0x300000 #define SMI_OFFSET 0x600000 #define BSC1_OFFSET 0x804000 /* BSC1 I2C/TWI */ +#define BSC2_OFFSET 0x805000 /* BSC2 I2C/TWI */ +#define DBUS_OFFSET 0x900000 +#define AVE0_OFFSET 0x910000 #define USB_OTG_OFFSET 0x980000 /* DTC_OTG USB controller */ +#define SDRAMC_OFFSET 0xe00000 #define DMA15_OFFSET 0xE05000 /* DMA controller, channel 15 */ /* GPU interrupts */ diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c index XXXXXXX..XXXXXXX 100644 --- a/hw/arm/bcm2835_peripherals.c +++ b/hw/arm/bcm2835_peripherals.c @@ -XXX,XX +XXX,XX @@ /* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */ #define BCM2835_SDHC_CAPAREG 0x52134b4 +static void create_unimp(BCM2835PeripheralState *ps, + UnimplementedDeviceState *uds, + const char *name, hwaddr ofs, hwaddr size) +{ + sysbus_init_child_obj(OBJECT(ps), name, uds, + sizeof(UnimplementedDeviceState), + TYPE_UNIMPLEMENTED_DEVICE); + qdev_prop_set_string(DEVICE(uds), "name", name); + qdev_prop_set_uint64(DEVICE(uds), "size", size); + object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal); + memory_region_add_subregion_overlap(&ps->peri_mr, ofs, + sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000); +} + static void bcm2835_peripherals_init(Object *obj) { BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj); @@ -XXX,XX +XXX,XX @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) error_propagate(errp, err); return; } + + create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40); + create_unimp(s, &s->systmr, "bcm2835-systimer", ST_OFFSET, 0x20); + create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000); + create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000); + create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100); + create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100); + create_unimp(s, &s->spi[0], "bcm2835-spi0", SPI0_OFFSET, 0x20); + create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100); + create_unimp(s, &s->i2c[0], "bcm2835-i2c0", BSC0_OFFSET, 0x20); + create_unimp(s, &s->i2c[1], "bcm2835-i2c1", BSC1_OFFSET, 0x20); + create_unimp(s, &s->i2c[2], "bcm2835-i2c2", BSC2_OFFSET, 0x20); + create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80); + create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000); + create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000); + create_unimp(s, &s->dwc2, "dwc-usb2", USB_OTG_OFFSET, 0x1000); + create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100); } static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data) -- 2.20.1 From: Philippe Mathieu-Daudé <f4bug@amsat.org> Add trace events for read/write accesses and IRQ. Properties are structures used for the ARM particular MBOX. Since one call in bcm2835_property.c concerns the mbox block, name this trace event in the same bcm2835_mbox* namespace. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20190926173428.10713-8-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/misc/bcm2835_mbox.c | 5 +++++ hw/misc/bcm2835_property.c | 2 ++ hw/misc/trace-events | 6 ++++++ 3 files changed, 13 insertions(+) diff --git a/hw/misc/bcm2835_mbox.c b/hw/misc/bcm2835_mbox.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/bcm2835_mbox.c +++ b/hw/misc/bcm2835_mbox.c @@ -XXX,XX +XXX,XX @@ #include "migration/vmstate.h" #include "qemu/log.h" #include "qemu/module.h" +#include "trace.h" #define MAIL0_PEEK 0x90 #define MAIL0_SENDER 0x94 @@ -XXX,XX +XXX,XX @@ static void bcm2835_mbox_update(BCM2835MboxState *s) set = true; } } + trace_bcm2835_mbox_irq(set); qemu_set_irq(s->arm_irq, set); } @@ -XXX,XX +XXX,XX @@ static uint64_t bcm2835_mbox_read(void *opaque, hwaddr offset, unsigned size) default: qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx"\n", __func__, offset); + trace_bcm2835_mbox_read(size, offset, res); return 0; } + trace_bcm2835_mbox_read(size, offset, res); bcm2835_mbox_update(s); @@ -XXX,XX +XXX,XX @@ static void bcm2835_mbox_write(void *opaque, hwaddr offset, offset &= 0xff; + trace_bcm2835_mbox_write(size, offset, value); switch (offset) { case MAIL0_SENDER: break; diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/bcm2835_property.c +++ b/hw/misc/bcm2835_property.c @@ -XXX,XX +XXX,XX @@ #include "sysemu/dma.h" #include "qemu/log.h" #include "qemu/module.h" +#include "trace.h" /* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface */ @@ -XXX,XX +XXX,XX @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; } + trace_bcm2835_mbox_property(tag, bufsize, resplen); if (tag == 0) { break; } diff --git a/hw/misc/trace-events b/hw/misc/trace-events index XXXXXXX..XXXXXXX 100644 --- a/hw/misc/trace-events +++ b/hw/misc/trace-events @@ -XXX,XX +XXX,XX @@ armsse_mhu_write(uint64_t offset, uint64_t data, unsigned size) "SSE-200 MHU wri # aspeed_xdma.c aspeed_xdma_write(uint64_t offset, uint64_t data) "XDMA write: offset 0x%" PRIx64 " data 0x%" PRIx64 + +# bcm2835_mbox.c +bcm2835_mbox_write(unsigned int size, uint64_t addr, uint64_t value) "mbox write sz:%u addr:0x%"PRIx64" data:0x%"PRIx64 +bcm2835_mbox_read(unsigned int size, uint64_t addr, uint64_t value) "mbox read sz:%u addr:0x%"PRIx64" data:0x%"PRIx64 +bcm2835_mbox_irq(unsigned level) "mbox irq:ARM level:%u" +bcm2835_mbox_property(uint32_t tag, uint32_t bufsize, size_t resplen) "mbox property tag:0x%08x in_sz:%u out_sz:%zu" -- 2.20.1