diff options
Diffstat (limited to 'target/xtensa/helper.c')
| -rw-r--r-- | target/xtensa/helper.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c index 5f37f37..efb966b 100644 --- a/target/xtensa/helper.c +++ b/target/xtensa/helper.c @@ -240,19 +240,21 @@ void xtensa_cpu_list(void) #ifdef CONFIG_USER_ONLY -int xtensa_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw, - int mmu_idx) +bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) { XtensaCPU *cpu = XTENSA_CPU(cs); CPUXtensaState *env = &cpu->env; qemu_log_mask(CPU_LOG_INT, "%s: rw = %d, address = 0x%08" VADDR_PRIx ", size = %d\n", - __func__, rw, address, size); + __func__, access_type, address, size); env->sregs[EXCVADDR] = address; - env->sregs[EXCCAUSE] = rw ? STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE; + env->sregs[EXCCAUSE] = (access_type == MMU_DATA_STORE ? + STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE); cs->exception_index = EXC_USER; - return 1; + cpu_loop_exit_restore(cs, retaddr); } #else @@ -273,28 +275,33 @@ void xtensa_cpu_do_unaligned_access(CPUState *cs, } } -void tlb_fill(CPUState *cs, target_ulong vaddr, int size, - MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) +bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) { XtensaCPU *cpu = XTENSA_CPU(cs); CPUXtensaState *env = &cpu->env; uint32_t paddr; uint32_t page_size; unsigned access; - int ret = xtensa_get_physical_addr(env, true, vaddr, access_type, mmu_idx, - &paddr, &page_size, &access); + int ret = xtensa_get_physical_addr(env, true, address, access_type, + mmu_idx, &paddr, &page_size, &access); - qemu_log_mask(CPU_LOG_MMU, "%s(%08x, %d, %d) -> %08x, ret = %d\n", - __func__, vaddr, access_type, mmu_idx, paddr, ret); + qemu_log_mask(CPU_LOG_MMU, "%s(%08" VADDR_PRIx + ", %d, %d) -> %08x, ret = %d\n", + __func__, address, access_type, mmu_idx, paddr, ret); if (ret == 0) { tlb_set_page(cs, - vaddr & TARGET_PAGE_MASK, + address & TARGET_PAGE_MASK, paddr & TARGET_PAGE_MASK, access, mmu_idx, page_size); + return true; + } else if (probe) { + return false; } else { cpu_restore_state(cs, retaddr, true); - HELPER(exception_cause_vaddr)(env, env->pc, ret, vaddr); + HELPER(exception_cause_vaddr)(env, env->pc, ret, address); } } |