From: Eric Auger <eric.auger@redhat.com>
Also add kvm add accessors for storing host features into idregs.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 57 ++++++++++++++++++++-------------------
target/arm/cpu-sysregs.h | 4 +++
target/arm/cpu.c | 10 +++----
target/arm/cpu.h | 2 --
target/arm/cpu64.c | 8 +++---
target/arm/helper.c | 6 +++--
target/arm/hvf/hvf.c | 3 ++-
target/arm/kvm.c | 30 ++++++++++++++++++---
target/arm/tcg/cpu64.c | 44 ++++++++++++++++++------------
9 files changed, 101 insertions(+), 63 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 525e4cee12f6..779bcd1abb36 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -22,6 +22,7 @@
#include "hw/registerfields.h"
#include "qemu/host-utils.h"
+#include "cpu-sysregs.h"
/*
* Naming convention for isar_feature functions:
@@ -376,92 +377,92 @@ static inline bool isar_feature_aa32_doublelock(const ARMISARegisters *id)
*/
static inline bool isar_feature_aa64_aes(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, AES) != 0;
}
static inline bool isar_feature_aa64_pmull(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) > 1;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, AES) > 1;
}
static inline bool isar_feature_aa64_sha1(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA1) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA1) != 0;
}
static inline bool isar_feature_aa64_sha256(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA2) != 0;
}
static inline bool isar_feature_aa64_sha512(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) > 1;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA2) > 1;
}
static inline bool isar_feature_aa64_crc32(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, CRC32) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, CRC32) != 0;
}
static inline bool isar_feature_aa64_atomics(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, ATOMIC) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, ATOMIC) != 0;
}
static inline bool isar_feature_aa64_rdm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, RDM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, RDM) != 0;
}
static inline bool isar_feature_aa64_sha3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA3) != 0;
}
static inline bool isar_feature_aa64_sm3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SM3) != 0;
}
static inline bool isar_feature_aa64_sm4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM4) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SM4) != 0;
}
static inline bool isar_feature_aa64_dp(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, DP) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, DP) != 0;
}
static inline bool isar_feature_aa64_fhm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, FHM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, FHM) != 0;
}
static inline bool isar_feature_aa64_condm_4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TS) != 0;
}
static inline bool isar_feature_aa64_condm_5(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TS) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TS) >= 2;
}
static inline bool isar_feature_aa64_rndr(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, RNDR) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, RNDR) != 0;
}
static inline bool isar_feature_aa64_tlbirange(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) == 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TLB) == 2;
}
static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TLB) != 0;
}
static inline bool isar_feature_aa64_jscvt(const ARMISARegisters *id)
@@ -927,52 +928,52 @@ static inline bool isar_feature_aa64_doublelock(const ARMISARegisters *id)
static inline bool isar_feature_aa64_sve2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SVEVER) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, SVEVER) != 0;
}
static inline bool isar_feature_aa64_sve2_aes(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, AES) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, AES) != 0;
}
static inline bool isar_feature_aa64_sve2_pmull128(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, AES) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, AES) >= 2;
}
static inline bool isar_feature_aa64_sve2_bitperm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, BITPERM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, BITPERM) != 0;
}
static inline bool isar_feature_aa64_sve_bf16(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, BFLOAT16) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, BFLOAT16) != 0;
}
static inline bool isar_feature_aa64_sve2_sha3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SHA3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, SHA3) != 0;
}
static inline bool isar_feature_aa64_sve2_sm4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SM4) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, SM4) != 0;
}
static inline bool isar_feature_aa64_sve_i8mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, I8MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, I8MM) != 0;
}
static inline bool isar_feature_aa64_sve_f32mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, F32MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, F32MM) != 0;
}
static inline bool isar_feature_aa64_sve_f64mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, F64MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, F64MM) != 0;
}
static inline bool isar_feature_aa64_sme_f64f64(const ARMISARegisters *id)
diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
index 38590b477454..c6a7d1fe1350 100644
--- a/target/arm/cpu-sysregs.h
+++ b/target/arm/cpu-sysregs.h
@@ -39,4 +39,8 @@ extern const uint32_t id_register_sysreg[NUM_ID_IDX];
int get_sysreg_idx(ARMSysRegs sysreg);
+#ifdef CONFIG_KVM
+uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg);
+#endif
+
#endif /* ARM_CPU_SYSREGS_H */
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 01786ac7879c..750a4e957cb2 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1968,6 +1968,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
{
CPUState *cs = CPU(dev);
ARMCPU *cpu = ARM_CPU(dev);
+ ARMISARegisters *isar = &cpu->isar;
ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
CPUARMState *env = &cpu->env;
Error *local_err = NULL;
@@ -2173,7 +2174,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
unset_feature(env, ARM_FEATURE_NEON);
- t = cpu->isar.id_aa64isar0;
+ t = GET_IDREG(isar, ID_AA64ISAR0);
t = FIELD_DP64(t, ID_AA64ISAR0, AES, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 0);
@@ -2181,7 +2182,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, DP, 0);
- cpu->isar.id_aa64isar0 = t;
+ SET_IDREG(isar, ID_AA64ISAR0, t);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 0);
@@ -2223,12 +2224,9 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
}
if (!cpu->has_neon && !cpu->has_vfp) {
- uint64_t t;
uint32_t u;
- t = cpu->isar.id_aa64isar0;
- t = FIELD_DP64(t, ID_AA64ISAR0, FHM, 0);
- cpu->isar.id_aa64isar0 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64ISAR0, FHM, 0);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, FRINTTS, 0);
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 5048c85b188c..57d00da0a927 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,7 +1097,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64isar0;
uint64_t id_aa64isar1;
uint64_t id_aa64isar2;
uint64_t id_aa64pfr0;
@@ -1108,7 +1107,6 @@ struct ArchCPU {
uint64_t id_aa64mmfr3;
uint64_t id_aa64dfr0;
uint64_t id_aa64dfr1;
- uint64_t id_aa64zfr0;
uint64_t id_aa64smfr0;
uint64_t reset_pmcr_el0;
uint64_t idregs[NUM_ID_IDX];
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 62eff5375c19..c781efeb7cef 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -136,7 +136,7 @@ void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
* SVE is disabled and so are all vector lengths. Good.
* Disable all SVE extensions as well.
*/
- cpu->isar.id_aa64zfr0 = 0;
+ SET_IDREG(&cpu->isar, ID_AA64ZFR0, 0);
return;
}
@@ -639,6 +639,7 @@ void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp)
static void aarch64_a57_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a57";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -676,7 +677,7 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.id_isar6 = 0;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x01110f13;
@@ -700,6 +701,7 @@ static void aarch64_a57_initfn(Object *obj)
static void aarch64_a53_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a53";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -737,7 +739,7 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.id_isar6 = 0;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x00110f13;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index bb445e30cd15..8062e5190425 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7750,6 +7750,8 @@ void register_cp_regs_for_features(ARMCPU *cpu)
{
/* Register all the coprocessor registers based on feature bits */
CPUARMState *env = &cpu->env;
+ ARMISARegisters *isar = &cpu->isar;
+
if (arm_feature(env, ARM_FEATURE_M)) {
/* M profile has no coprocessor registers */
return;
@@ -7939,7 +7941,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64zfr0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64ZFR0)},
{ .name = "ID_AA64SMFR0_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -7999,7 +8001,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64isar0 },
+ .resetvalue = GET_IDREG(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,
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 2439af63a05a..0213702ef094 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -19,6 +19,7 @@
#include "system/hw_accel.h"
#include "hvf_arm.h"
#include "cpregs.h"
+#include "cpu-sysregs.h"
#include <mach/mach_time.h>
@@ -865,7 +866,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{ HV_SYS_REG_ID_AA64PFR1_EL1, &host_isar.id_aa64pfr1 },
{ HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.id_aa64dfr0 },
{ HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 },
- { HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.id_aa64isar0 },
+ { HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
{ HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.id_aa64isar1 },
/* Add ID_AA64ISAR2_EL1 here when HVF supports it */
{ HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.id_aa64mmfr0 },
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index da30bdbb2349..d187df80f077 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -26,6 +26,7 @@
#include "system/kvm_int.h"
#include "kvm_arm.h"
#include "cpu.h"
+#include "cpu-sysregs.h"
#include "trace.h"
#include "internals.h"
#include "hw/pci/pci.h"
@@ -246,6 +247,28 @@ static bool kvm_arm_pauth_supported(void)
kvm_check_extension(kvm_state, KVM_CAP_ARM_PTRAUTH_GENERIC));
}
+
+uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg)
+{
+ return ARM64_SYS_REG((sysreg & CP_REG_ARM64_SYSREG_OP0_MASK) >> CP_REG_ARM64_SYSREG_OP0_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_OP1_MASK) >> CP_REG_ARM64_SYSREG_OP1_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_CRN_MASK) >> CP_REG_ARM64_SYSREG_CRN_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_CRM_MASK) >> CP_REG_ARM64_SYSREG_CRM_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_OP2_MASK) >> CP_REG_ARM64_SYSREG_OP2_SHIFT);
+}
+
+/* read a sysreg value and store it in the idregs */
+static int get_host_cpu_reg(int fd, ARMHostCPUFeatures *ahcf, ARMIDRegisterIdx index)
+{
+ uint64_t *reg;
+ int ret;
+
+ reg = &ahcf->isar.idregs[index];
+ ret = read_sys_reg64(fd, reg,
+ idregs_sysreg_to_kvm_reg(id_register_sysreg[index]));
+ return ret;
+}
+
static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{
/* Identify the feature bits corresponding to the host CPU, and
@@ -306,6 +329,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ahcf->target = init.target;
ahcf->dtb_compatible = "arm,arm-v8";
+ int fd = fdarray[2];
err = read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64pfr0,
ARM64_SYS_REG(3, 0, 0, 4, 0));
@@ -337,8 +361,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 5, 0));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr1,
ARM64_SYS_REG(3, 0, 0, 5, 1));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar0,
- ARM64_SYS_REG(3, 0, 0, 6, 0));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar1,
ARM64_SYS_REG(3, 0, 0, 6, 1));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar2,
@@ -447,8 +470,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* enabled SVE support, which resulted in an error rather than RAZ.
* So only read the register if we set KVM_ARM_VCPU_SVE above.
*/
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64zfr0,
- ARM64_SYS_REG(3, 0, 0, 4, 4));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64ZFR0_EL1_IDX);
}
}
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 29ab0ac79da9..f31bb9ceaac9 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -32,6 +32,7 @@
static void aarch64_a35_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a35";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -66,7 +67,7 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_aa64pfr1 = 0;
cpu->isar.id_aa64dfr0 = 0x10305106;
cpu->isar.id_aa64dfr1 = 0;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64isar1 = 0;
cpu->isar.id_aa64mmfr0 = 0x00101122;
cpu->isar.id_aa64mmfr1 = 0;
@@ -204,6 +205,7 @@ static const Property arm_cpu_lpa2_property =
static void aarch64_a55_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a55";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -221,7 +223,7 @@ static void aarch64_a55_initfn(Object *obj)
cpu->ctr = 0x84448004; /* L1Ip = VIPT */
cpu->dcz_blocksize = 4; /* 64 bytes */
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
- cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -276,6 +278,7 @@ static void aarch64_a55_initfn(Object *obj)
static void aarch64_a72_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a72";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -311,7 +314,7 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x01110f13;
@@ -335,6 +338,7 @@ static void aarch64_a72_initfn(Object *obj)
static void aarch64_a76_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a76";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -352,7 +356,7 @@ static void aarch64_a76_initfn(Object *obj)
cpu->ctr = 0x8444C004;
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
- cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -408,6 +412,7 @@ static void aarch64_a76_initfn(Object *obj)
static void aarch64_a64fx_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,a64fx";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -431,9 +436,9 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->isar.id_aa64mmfr0 = 0x0000000000001122;
cpu->isar.id_aa64mmfr1 = 0x0000000011212100;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011;
- cpu->isar.id_aa64isar0 = 0x0000000010211120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000000010211120);
cpu->isar.id_aa64isar1 = 0x0000000000010001;
- cpu->isar.id_aa64zfr0 = 0x0000000000000000;
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000000000000000);
cpu->clidr = 0x0000000080000023;
/* 64KB L1 dcache */
cpu->ccsidr[0] = make_ccsidr(CCSIDR_FORMAT_LEGACY, 4, 256, 64 * KiB, 7);
@@ -581,6 +586,7 @@ static void define_neoverse_v1_cp_reginfo(ARMCPU *cpu)
static void aarch64_neoverse_n1_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,neoverse-n1";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -598,7 +604,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->ctr = 0x8444c004;
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000110305408ull;
- cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -656,6 +662,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
static void aarch64_neoverse_v1_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,neoverse-v1";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -676,7 +683,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->id_aa64afr1 = 0x00000000;
cpu->isar.id_aa64dfr0 = 0x000001f210305519ull;
cpu->isar.id_aa64dfr1 = 0x00000000;
- cpu->isar.id_aa64isar0 = 0x1011111110212120ull; /* with FEAT_RNG */
+ SET_IDREG(isar, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
cpu->isar.id_aa64isar1 = 0x0011100001211032ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -735,7 +742,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
/* From 3.7.5 ID_AA64ZFR0_EL1 */
- cpu->isar.id_aa64zfr0 = 0x0000100000100000;
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000100000100000);
cpu->sve_vq.supported = (1 << 0) /* 128bit */
| (1 << 1); /* 256bit */
@@ -882,6 +889,7 @@ static const ARMCPRegInfo cortex_a710_cp_reginfo[] = {
static void aarch64_a710_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a710";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -919,12 +927,12 @@ static void aarch64_a710_initfn(Object *obj)
cpu->isar.id_pfr2 = 0x00000011;
cpu->isar.id_aa64pfr0 = 0x1201111120111112ull; /* GIC filled in later */
cpu->isar.id_aa64pfr1 = 0x0000000000000221ull;
- cpu->isar.id_aa64zfr0 = 0x0000110100110021ull; /* with Crypto */
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
cpu->isar.id_aa64dfr0 = 0x000011f010305619ull;
cpu->isar.id_aa64dfr1 = 0;
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
- cpu->isar.id_aa64isar0 = 0x0221111110212120ull; /* with Crypto */
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
cpu->isar.id_aa64isar1 = 0x0010111101211052ull;
cpu->isar.id_aa64mmfr0 = 0x0000022200101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -983,6 +991,7 @@ static const ARMCPRegInfo neoverse_n2_cp_reginfo[] = {
static void aarch64_neoverse_n2_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,neoverse-n2";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -1020,12 +1029,12 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->isar.id_pfr2 = 0x00000011;
cpu->isar.id_aa64pfr0 = 0x1201111120111112ull; /* GIC filled in later */
cpu->isar.id_aa64pfr1 = 0x0000000000000221ull;
- cpu->isar.id_aa64zfr0 = 0x0000110100110021ull; /* with Crypto */
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
cpu->isar.id_aa64dfr0 = 0x000011f210305619ull;
cpu->isar.id_aa64dfr1 = 0;
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
- cpu->isar.id_aa64isar0 = 0x1221111110212120ull; /* with Crypto and FEAT_RNG */
+ SET_IDREG(isar, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
cpu->isar.id_aa64isar1 = 0x0011111101211052ull;
cpu->isar.id_aa64mmfr0 = 0x0000022200101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -1083,6 +1092,7 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
void aarch64_max_tcg_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
uint64_t t;
uint32_t u;
@@ -1133,7 +1143,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, CTR_EL0, DIC, 1);
cpu->ctr = t;
- t = cpu->isar.id_aa64isar0;
+ t = GET_IDREG(isar, ID_AA64ISAR0);
t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* FEAT_PMULL */
t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1); /* FEAT_SHA1 */
t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* FEAT_SHA512 */
@@ -1148,7 +1158,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR0, TS, 2); /* FEAT_FlagM2 */
t = FIELD_DP64(t, ID_AA64ISAR0, TLB, 2); /* FEAT_TLBIRANGE */
t = FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1); /* FEAT_RNG */
- cpu->isar.id_aa64isar0 = t;
+ SET_IDREG(isar, ID_AA64ISAR0, t);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, DPB, 2); /* FEAT_DPB2 */
@@ -1244,7 +1254,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR3, SPEC_FPACC, 1); /* FEAT_FPACC_SPEC */
cpu->isar.id_aa64mmfr3 = t;
- t = cpu->isar.id_aa64zfr0;
+ t = GET_IDREG(isar, ID_AA64ZFR0);
t = FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, AES, 2); /* FEAT_SVE_PMULL128 */
t = FIELD_DP64(t, ID_AA64ZFR0, BITPERM, 1); /* FEAT_SVE_BitPerm */
@@ -1254,7 +1264,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ZFR0, I8MM, 1); /* FEAT_I8MM */
t = FIELD_DP64(t, ID_AA64ZFR0, F32MM, 1); /* FEAT_F32MM */
t = FIELD_DP64(t, ID_AA64ZFR0, F64MM, 1); /* FEAT_F64MM */
- cpu->isar.id_aa64zfr0 = t;
+ SET_IDREG(isar, ID_AA64ZFR0, t);
t = cpu->isar.id_aa64dfr0;
t = FIELD_DP64(t, ID_AA64DFR0, DEBUGVER, 10); /* FEAT_Debugv8p8 */
--
2.48.1© 2016 - 2025 Red Hat, Inc.