diff options
Diffstat (limited to 'target-mips/helper.c')
-rw-r--r-- | target-mips/helper.c | 57 |
1 files changed, 30 insertions, 27 deletions
diff --git a/target-mips/helper.c b/target-mips/helper.c index 1c83704705..6d0be10156 100644 --- a/target-mips/helper.c +++ b/target-mips/helper.c @@ -70,8 +70,8 @@ int r4k_map_address (CPUState *env, target_ulong *physical, int *prot, uint8_t ASID = env->CP0_EntryHi & 0xFF; int i; - for (i = 0; i < env->tlb_in_use; i++) { - r4k_tlb_t *tlb = &env->mmu.r4k.tlb[i]; + for (i = 0; i < env->tlb->tlb_in_use; i++) { + r4k_tlb_t *tlb = &env->tlb->mmu.r4k.tlb[i]; /* 1k pages are not supported. */ target_ulong mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1); target_ulong tag = address & ~mask; @@ -134,7 +134,7 @@ static int get_physical_address (CPUState *env, target_ulong *physical, *physical = address & 0xFFFFFFFF; *prot = PAGE_READ | PAGE_WRITE; } else { - ret = env->map_address(env, physical, prot, address, rw, access_type); + ret = env->tlb->map_address(env, physical, prot, address, rw, access_type); } #ifdef TARGET_MIPS64 /* @@ -144,14 +144,14 @@ static int get_physical_address (CPUState *env, target_ulong *physical, } else if (address < 0x3FFFFFFFFFFFFFFFULL) { /* xuseg */ if (UX && address < (0x3FFFFFFFFFFFFFFFULL & env->SEGMask)) { - ret = env->map_address(env, physical, prot, address, rw, access_type); + ret = env->tlb->map_address(env, physical, prot, address, rw, access_type); } else { ret = TLBRET_BADADDR; } } else if (address < 0x7FFFFFFFFFFFFFFFULL) { /* xsseg */ if (SX && address < (0x7FFFFFFFFFFFFFFFULL & env->SEGMask)) { - ret = env->map_address(env, physical, prot, address, rw, access_type); + ret = env->tlb->map_address(env, physical, prot, address, rw, access_type); } else { ret = TLBRET_BADADDR; } @@ -169,7 +169,7 @@ static int get_physical_address (CPUState *env, target_ulong *physical, /* xkseg */ /* XXX: check supervisor mode */ if (KX && address < (0xFFFFFFFF7FFFFFFFULL & env->SEGMask)) { - ret = env->map_address(env, physical, prot, address, rw, access_type); + ret = env->tlb->map_address(env, physical, prot, address, rw, access_type); } else { ret = TLBRET_BADADDR; } @@ -186,12 +186,12 @@ static int get_physical_address (CPUState *env, target_ulong *physical, *prot = PAGE_READ | PAGE_WRITE; } else if (address < (int32_t)0xE0000000UL) { /* kseg2 */ - ret = env->map_address(env, physical, prot, address, rw, access_type); + ret = env->tlb->map_address(env, physical, prot, address, rw, access_type); } else { /* kseg3 */ /* XXX: check supervisor mode */ /* XXX: debug segment is not emulated */ - ret = env->map_address(env, physical, prot, address, rw, access_type); + ret = env->tlb->map_address(env, physical, prot, address, rw, access_type); } #if 0 if (logfile) { @@ -238,7 +238,7 @@ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw, cpu_dump_state(env, logfile, fprintf, 0); #endif fprintf(logfile, "%s pc " TARGET_FMT_lx " ad " TARGET_FMT_lx " rw %d is_user %d smmu %d\n", - __func__, env->PC, address, rw, is_user, is_softmmu); + __func__, env->PC[env->current_tc], address, rw, is_user, is_softmmu); } rw &= 1; @@ -328,7 +328,7 @@ void do_interrupt (CPUState *env) if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) { fprintf(logfile, "%s enter: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " cause %d excp %d\n", - __func__, env->PC, env->CP0_EPC, cause, env->exception_index); + __func__, env->PC[env->current_tc], env->CP0_EPC, cause, env->exception_index); } if (env->exception_index == EXCP_EXT_INTERRUPT && (env->hflags & MIPS_HFLAG_DM)) @@ -342,7 +342,7 @@ void do_interrupt (CPUState *env) * (but we assume the pc has always been updated during * code translation). */ - env->CP0_DEPC = env->PC; + env->CP0_DEPC = env->PC[env->current_tc]; goto enter_debug_mode; case EXCP_DINT: env->CP0_Debug |= 1 << CP0DB_DINT; @@ -362,10 +362,10 @@ void do_interrupt (CPUState *env) if (env->hflags & MIPS_HFLAG_BMASK) { /* If the exception was raised from a delay slot, come back to the jump. */ - env->CP0_DEPC = env->PC - 4; + env->CP0_DEPC = env->PC[env->current_tc] - 4; env->hflags &= ~MIPS_HFLAG_BMASK; } else { - env->CP0_DEPC = env->PC; + env->CP0_DEPC = env->PC[env->current_tc]; } enter_debug_mode: env->hflags |= MIPS_HFLAG_DM; @@ -375,7 +375,7 @@ void do_interrupt (CPUState *env) /* EJTAG probe trap enable is not implemented... */ if (!(env->CP0_Status & (1 << CP0St_EXL))) env->CP0_Cause &= ~(1 << CP0Ca_BD); - env->PC = (int32_t)0xBFC00480; + env->PC[env->current_tc] = (int32_t)0xBFC00480; break; case EXCP_RESET: cpu_reset(env); @@ -390,10 +390,10 @@ void do_interrupt (CPUState *env) if (env->hflags & MIPS_HFLAG_BMASK) { /* If the exception was raised from a delay slot, come back to the jump. */ - env->CP0_ErrorEPC = env->PC - 4; + env->CP0_ErrorEPC = env->PC[env->current_tc] - 4; env->hflags &= ~MIPS_HFLAG_BMASK; } else { - env->CP0_ErrorEPC = env->PC; + env->CP0_ErrorEPC = env->PC[env->current_tc]; } env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV); if ((env->CP0_Config0 & (0x3 << CP0C0_AT))) @@ -401,7 +401,7 @@ void do_interrupt (CPUState *env) env->hflags &= ~MIPS_HFLAG_UM; if (!(env->CP0_Status & (1 << CP0St_EXL))) env->CP0_Cause &= ~(1 << CP0Ca_BD); - env->PC = (int32_t)0xBFC00000; + env->PC[env->current_tc] = (int32_t)0xBFC00000; break; case EXCP_MCHECK: cause = 24; @@ -471,6 +471,9 @@ void do_interrupt (CPUState *env) goto set_EPC; case EXCP_TLBS: cause = 3; + goto set_EPC; + case EXCP_THREAD: + cause = 25; if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) { #ifdef TARGET_MIPS64 int R = env->CP0_BadVAddr >> 62; @@ -489,10 +492,10 @@ void do_interrupt (CPUState *env) if (env->hflags & MIPS_HFLAG_BMASK) { /* If the exception was raised from a delay slot, come back to the jump. */ - env->CP0_EPC = env->PC - 4; + env->CP0_EPC = env->PC[env->current_tc] - 4; env->CP0_Cause |= (1 << CP0Ca_BD); } else { - env->CP0_EPC = env->PC; + env->CP0_EPC = env->PC[env->current_tc]; env->CP0_Cause &= ~(1 << CP0Ca_BD); } env->CP0_Status |= (1 << CP0St_EXL); @@ -502,11 +505,11 @@ void do_interrupt (CPUState *env) } env->hflags &= ~MIPS_HFLAG_BMASK; if (env->CP0_Status & (1 << CP0St_BEV)) { - env->PC = (int32_t)0xBFC00200; + env->PC[env->current_tc] = (int32_t)0xBFC00200; } else { - env->PC = (int32_t)(env->CP0_EBase & ~0x3ff); + env->PC[env->current_tc] = (int32_t)(env->CP0_EBase & ~0x3ff); } - env->PC += offset; + env->PC[env->current_tc] += offset; env->CP0_Cause = (env->CP0_Cause & ~(0x1f << CP0Ca_EC)) | (cause << CP0Ca_EC); break; default: @@ -520,7 +523,7 @@ void do_interrupt (CPUState *env) if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) { fprintf(logfile, "%s: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " cause %d excp %d\n" " S %08x C %08x A " TARGET_FMT_lx " D " TARGET_FMT_lx "\n", - __func__, env->PC, env->CP0_EPC, cause, env->exception_index, + __func__, env->PC[env->current_tc], env->CP0_EPC, cause, env->exception_index, env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr, env->CP0_DEPC); } @@ -536,19 +539,19 @@ void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra) uint8_t ASID = env->CP0_EntryHi & 0xFF; target_ulong mask; - tlb = &env->mmu.r4k.tlb[idx]; + tlb = &env->tlb->mmu.r4k.tlb[idx]; /* The qemu TLB is flushed when the ASID changes, so no need to flush these entries again. */ if (tlb->G == 0 && tlb->ASID != ASID) { return; } - if (use_extra && env->tlb_in_use < MIPS_TLB_MAX) { + if (use_extra && env->tlb->tlb_in_use < MIPS_TLB_MAX) { /* For tlbwr, we can shadow the discarded entry into a new (fake) TLB entry, as long as the guest can not tell that it's there. */ - env->mmu.r4k.tlb[env->tlb_in_use] = *tlb; - env->tlb_in_use++; + env->tlb->mmu.r4k.tlb[env->tlb->tlb_in_use] = *tlb; + env->tlb->tlb_in_use++; return; } |