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X-Received-From: 2a00:1450:4864:20::131 Subject: [Qemu-devel] [PATCH v2 1/2] target/xtensa: convert to do_transaction_failed X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Max Filippov Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDMRC_1 RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Max Filippov Reviewed-by: Peter Maydell --- Changes v1->v2: - change ldl_phys to address_space_ldl in get_pte and check transaction for success; target/xtensa/cpu.c | 2 +- target/xtensa/cpu.h | 7 ++++--- target/xtensa/helper.c | 22 +++++++++++++++++++--- target/xtensa/op_helper.c | 12 +++++++----- 4 files changed, 31 insertions(+), 12 deletions(-) diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c index 590813d4f7b9..a54dbe42602d 100644 --- a/target/xtensa/cpu.c +++ b/target/xtensa/cpu.c @@ -186,7 +186,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void= *data) #else cc->do_unaligned_access =3D xtensa_cpu_do_unaligned_access; cc->get_phys_page_debug =3D xtensa_cpu_get_phys_page_debug; - cc->do_unassigned_access =3D xtensa_cpu_do_unassigned_access; + cc->do_transaction_failed =3D xtensa_cpu_do_transaction_failed; #endif cc->debug_excp_handler =3D xtensa_breakpoint_handler; cc->disas_set_info =3D xtensa_cpu_disas_set_info; diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h index 7472cf3ca32a..1362772617ea 100644 --- a/target/xtensa/cpu.h +++ b/target/xtensa/cpu.h @@ -497,9 +497,10 @@ int xtensa_cpu_handle_mmu_fault(CPUState *cs, vaddr ad= dress, int rw, int size, int mmu_idx); void xtensa_cpu_do_interrupt(CPUState *cpu); bool xtensa_cpu_exec_interrupt(CPUState *cpu, int interrupt_request); -void xtensa_cpu_do_unassigned_access(CPUState *cpu, hwaddr addr, - bool is_write, bool is_exec, int opaq= ue, - unsigned size); +void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr= addr, + unsigned size, MMUAccessType access_= type, + int mmu_idx, MemTxAttrs attrs, + MemTxResult response, uintptr_t reta= ddr); void xtensa_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf, int flags); hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c index f74636f67854..0484f5fab808 100644 --- a/target/xtensa/helper.c +++ b/target/xtensa/helper.c @@ -642,11 +642,27 @@ static int get_pte(CPUXtensaState *env, uint32_t vadd= r, uint32_t *pte) int ret =3D get_physical_addr_mmu(env, false, pt_vaddr, 0, 0, &paddr, &page_size, &access, false); =20 - qemu_log_mask(CPU_LOG_MMU, "%s: trying autorefill(%08x) -> %08x\n", - __func__, vaddr, ret ? ~0 : paddr); + if (ret =3D=3D 0) { + qemu_log_mask(CPU_LOG_MMU, + "%s: autorefill(%08x): PTE va =3D %08x, pa =3D %08x\= n", + __func__, vaddr, pt_vaddr, paddr); + } else { + qemu_log_mask(CPU_LOG_MMU, + "%s: autorefill(%08x): PTE va =3D %08x, failed (%d)\= n", + __func__, vaddr, pt_vaddr, ret); + } =20 if (ret =3D=3D 0) { - *pte =3D ldl_phys(cs->as, paddr); + MemTxResult result; + + *pte =3D address_space_ldl(cs->as, paddr, MEMTXATTRS_UNSPECIFIED, + &result); + if (result !=3D MEMTX_OK) { + qemu_log_mask(CPU_LOG_MMU, + "%s: couldn't load PTE: transaction failed (%u)\= n", + __func__, (unsigned)result); + ret =3D 1; + } } return ret; } diff --git a/target/xtensa/op_helper.c b/target/xtensa/op_helper.c index d4c942d87980..06fe346f02ff 100644 --- a/target/xtensa/op_helper.c +++ b/target/xtensa/op_helper.c @@ -78,18 +78,20 @@ void tlb_fill(CPUState *cs, target_ulong vaddr, int siz= e, } } =20 -void xtensa_cpu_do_unassigned_access(CPUState *cs, hwaddr addr, - bool is_write, bool is_exec, int opaq= ue, - unsigned size) +void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr= addr, + unsigned size, MMUAccessType access_= type, + int mmu_idx, MemTxAttrs attrs, + MemTxResult response, uintptr_t reta= ddr) { XtensaCPU *cpu =3D XTENSA_CPU(cs); CPUXtensaState *env =3D &cpu->env; =20 + cpu_restore_state(cs, retaddr, true); HELPER(exception_cause_vaddr)(env, env->pc, - is_exec ? + access_type =3D=3D MMU_INST_FETCH ? INSTR_PIF_ADDR_ERROR_CAUSE : LOAD_STORE_PIF_ADDR_ERROR_CAUSE, - is_exec ? addr : cs->mem_io_vaddr); + addr); } =20 static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr) --=20 2.11.0