diff options
| -rw-r--r-- | target/alpha/cpu.c | 5 | ||||
| -rw-r--r-- | target/alpha/cpu.h | 5 | ||||
| -rw-r--r-- | target/alpha/helper.c | 30 | ||||
| -rw-r--r-- | target/alpha/mem_helper.c | 16 |
4 files changed, 26 insertions, 30 deletions
diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c index ad3588a..7c81be4 100644 --- a/target/alpha/cpu.c +++ b/target/alpha/cpu.c @@ -225,9 +225,8 @@ static void alpha_cpu_class_init(ObjectClass *oc, void *data) cc->set_pc = alpha_cpu_set_pc; cc->gdb_read_register = alpha_cpu_gdb_read_register; cc->gdb_write_register = alpha_cpu_gdb_write_register; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = alpha_cpu_handle_mmu_fault; -#else + cc->tlb_fill = alpha_cpu_tlb_fill; +#ifndef CONFIG_USER_ONLY cc->do_transaction_failed = alpha_cpu_do_transaction_failed; cc->do_unaligned_access = alpha_cpu_do_unaligned_access; cc->get_phys_page_debug = alpha_cpu_get_phys_page_debug; diff --git a/target/alpha/cpu.h b/target/alpha/cpu.h index 63bf361..cf09112 100644 --- a/target/alpha/cpu.h +++ b/target/alpha/cpu.h @@ -475,8 +475,9 @@ void alpha_cpu_list(void); is returned if the signal was handled by the virtual CPU. */ int cpu_alpha_signal_handler(int host_signum, void *pinfo, void *puc); -int alpha_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int size, int rw, - int mmu_idx); +bool alpha_cpu_tlb_fill(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr); void QEMU_NORETURN dynamic_excp(CPUAlphaState *, uintptr_t, int, int); void QEMU_NORETURN arith_excp(CPUAlphaState *, uintptr_t, int, uint64_t); diff --git a/target/alpha/helper.c b/target/alpha/helper.c index 7201576..929a217 100644 --- a/target/alpha/helper.c +++ b/target/alpha/helper.c @@ -104,14 +104,15 @@ void cpu_alpha_store_gr(CPUAlphaState *env, unsigned reg, uint64_t val) } #if defined(CONFIG_USER_ONLY) -int alpha_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, - int rw, int mmu_idx) +bool alpha_cpu_tlb_fill(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) { AlphaCPU *cpu = ALPHA_CPU(cs); cs->exception_index = EXCP_MMFAULT; cpu->env.trap_arg0 = address; - return 1; + cpu_loop_exit_restore(cs, retaddr); } #else /* Returns the OSF/1 entMM failure indication, or -1 on success. */ @@ -248,26 +249,37 @@ hwaddr alpha_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) return (fail >= 0 ? -1 : phys); } -int alpha_cpu_handle_mmu_fault(CPUState *cs, vaddr addr, int size, int rw, - int mmu_idx) +bool alpha_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) { AlphaCPU *cpu = ALPHA_CPU(cs); CPUAlphaState *env = &cpu->env; target_ulong phys; int prot, fail; - fail = get_physical_address(env, addr, 1 << rw, mmu_idx, &phys, &prot); + fail = get_physical_address(env, addr, 1 << access_type, + mmu_idx, &phys, &prot); if (unlikely(fail >= 0)) { + if (probe) { + return false; + } cs->exception_index = EXCP_MMFAULT; env->trap_arg0 = addr; env->trap_arg1 = fail; - env->trap_arg2 = (rw == 2 ? -1 : rw); - return 1; + env->trap_arg2 = (access_type == MMU_INST_FETCH ? -1 : access_type); + cpu_loop_exit_restore(cs, retaddr); } tlb_set_page(cs, addr & TARGET_PAGE_MASK, phys & TARGET_PAGE_MASK, prot, mmu_idx, TARGET_PAGE_SIZE); - return 0; + return true; +} + +void tlb_fill(CPUState *cs, target_ulong addr, int size, + MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) +{ + alpha_cpu_tlb_fill(cs, addr, size, access_type, mmu_idx, false, retaddr); } #endif /* USER_ONLY */ diff --git a/target/alpha/mem_helper.c b/target/alpha/mem_helper.c index 011bc73..934faa1 100644 --- a/target/alpha/mem_helper.c +++ b/target/alpha/mem_helper.c @@ -62,20 +62,4 @@ void alpha_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, env->error_code = 0; cpu_loop_exit_restore(cs, retaddr); } - -/* try to fill the TLB and return an exception if error. If retaddr is - NULL, it means that the function was called in C code (i.e. not - from generated code or from helper.c) */ -/* XXX: fix it to restore all registers */ -void tlb_fill(CPUState *cs, target_ulong addr, int size, - MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) -{ - int ret; - - ret = alpha_cpu_handle_mmu_fault(cs, addr, size, access_type, mmu_idx); - if (unlikely(ret != 0)) { - /* Exception index and error code are already set */ - cpu_loop_exit_restore(cs, retaddr); - } -} #endif /* CONFIG_USER_ONLY */ |