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Diffstat (limited to 'target-ppc/mmu_helper.c')
-rw-r--r--target-ppc/mmu_helper.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/target-ppc/mmu_helper.c b/target-ppc/mmu_helper.c
index 8e2f8e736a..b6abd974e3 100644
--- a/target-ppc/mmu_helper.c
+++ b/target-ppc/mmu_helper.c
@@ -1491,6 +1491,7 @@ static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address,
static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
int rw, int mmu_idx)
{
+ CPUState *cs = CPU(ppc_env_get_cpu(env));
mmu_ctx_t ctx;
int access_type;
int ret = 0;
@@ -1510,24 +1511,24 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
mmu_idx, TARGET_PAGE_SIZE);
ret = 0;
} else if (ret < 0) {
- LOG_MMU_STATE(CPU(ppc_env_get_cpu(env)));
+ LOG_MMU_STATE(cs);
if (access_type == ACCESS_CODE) {
switch (ret) {
case -1:
/* No matches in page tables or TLB */
switch (env->mmu_model) {
case POWERPC_MMU_SOFT_6xx:
- env->exception_index = POWERPC_EXCP_IFTLB;
+ cs->exception_index = POWERPC_EXCP_IFTLB;
env->error_code = 1 << 18;
env->spr[SPR_IMISS] = address;
env->spr[SPR_ICMP] = 0x80000000 | ctx.ptem;
goto tlb_miss;
case POWERPC_MMU_SOFT_74xx:
- env->exception_index = POWERPC_EXCP_IFTLB;
+ cs->exception_index = POWERPC_EXCP_IFTLB;
goto tlb_miss_74xx;
case POWERPC_MMU_SOFT_4xx:
case POWERPC_MMU_SOFT_4xx_Z:
- env->exception_index = POWERPC_EXCP_ITLB;
+ cs->exception_index = POWERPC_EXCP_ITLB;
env->error_code = 0;
env->spr[SPR_40x_DEAR] = address;
env->spr[SPR_40x_ESR] = 0x00000000;
@@ -1536,7 +1537,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
booke206_update_mas_tlb_miss(env, address, rw);
/* fall through */
case POWERPC_MMU_BOOKE:
- env->exception_index = POWERPC_EXCP_ITLB;
+ cs->exception_index = POWERPC_EXCP_ITLB;
env->error_code = 0;
env->spr[SPR_BOOKE_DEAR] = address;
return -1;
@@ -1555,7 +1556,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
break;
case -2:
/* Access rights violation */
- env->exception_index = POWERPC_EXCP_ISI;
+ cs->exception_index = POWERPC_EXCP_ISI;
env->error_code = 0x08000000;
break;
case -3:
@@ -1564,13 +1565,13 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
(env->mmu_model == POWERPC_MMU_BOOKE206)) {
env->spr[SPR_BOOKE_ESR] = 0x00000000;
}
- env->exception_index = POWERPC_EXCP_ISI;
+ cs->exception_index = POWERPC_EXCP_ISI;
env->error_code = 0x10000000;
break;
case -4:
/* Direct store exception */
/* No code fetch is allowed in direct-store areas */
- env->exception_index = POWERPC_EXCP_ISI;
+ cs->exception_index = POWERPC_EXCP_ISI;
env->error_code = 0x10000000;
break;
}
@@ -1581,10 +1582,10 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
switch (env->mmu_model) {
case POWERPC_MMU_SOFT_6xx:
if (rw == 1) {
- env->exception_index = POWERPC_EXCP_DSTLB;
+ cs->exception_index = POWERPC_EXCP_DSTLB;
env->error_code = 1 << 16;
} else {
- env->exception_index = POWERPC_EXCP_DLTLB;
+ cs->exception_index = POWERPC_EXCP_DLTLB;
env->error_code = 0;
}
env->spr[SPR_DMISS] = address;
@@ -1598,9 +1599,9 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
break;
case POWERPC_MMU_SOFT_74xx:
if (rw == 1) {
- env->exception_index = POWERPC_EXCP_DSTLB;
+ cs->exception_index = POWERPC_EXCP_DSTLB;
} else {
- env->exception_index = POWERPC_EXCP_DLTLB;
+ cs->exception_index = POWERPC_EXCP_DLTLB;
}
tlb_miss_74xx:
/* Implement LRU algorithm */
@@ -1611,7 +1612,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
break;
case POWERPC_MMU_SOFT_4xx:
case POWERPC_MMU_SOFT_4xx_Z:
- env->exception_index = POWERPC_EXCP_DTLB;
+ cs->exception_index = POWERPC_EXCP_DTLB;
env->error_code = 0;
env->spr[SPR_40x_DEAR] = address;
if (rw) {
@@ -1628,7 +1629,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
booke206_update_mas_tlb_miss(env, address, rw);
/* fall through */
case POWERPC_MMU_BOOKE:
- env->exception_index = POWERPC_EXCP_DTLB;
+ cs->exception_index = POWERPC_EXCP_DTLB;
env->error_code = 0;
env->spr[SPR_BOOKE_DEAR] = address;
env->spr[SPR_BOOKE_ESR] = rw ? ESR_ST : 0;
@@ -1644,7 +1645,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
break;
case -2:
/* Access rights violation */
- env->exception_index = POWERPC_EXCP_DSI;
+ cs->exception_index = POWERPC_EXCP_DSI;
env->error_code = 0;
if (env->mmu_model == POWERPC_MMU_SOFT_4xx
|| env->mmu_model == POWERPC_MMU_SOFT_4xx_Z) {
@@ -1670,13 +1671,13 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
switch (access_type) {
case ACCESS_FLOAT:
/* Floating point load/store */
- env->exception_index = POWERPC_EXCP_ALIGN;
+ cs->exception_index = POWERPC_EXCP_ALIGN;
env->error_code = POWERPC_EXCP_ALIGN_FP;
env->spr[SPR_DAR] = address;
break;
case ACCESS_RES:
/* lwarx, ldarx or stwcx. */
- env->exception_index = POWERPC_EXCP_DSI;
+ cs->exception_index = POWERPC_EXCP_DSI;
env->error_code = 0;
env->spr[SPR_DAR] = address;
if (rw == 1) {
@@ -1687,7 +1688,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
break;
case ACCESS_EXT:
/* eciwx or ecowx */
- env->exception_index = POWERPC_EXCP_DSI;
+ cs->exception_index = POWERPC_EXCP_DSI;
env->error_code = 0;
env->spr[SPR_DAR] = address;
if (rw == 1) {
@@ -1698,7 +1699,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
break;
default:
printf("DSI: invalid exception (%d)\n", ret);
- env->exception_index = POWERPC_EXCP_PROGRAM;
+ cs->exception_index = POWERPC_EXCP_PROGRAM;
env->error_code =
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL;
env->spr[SPR_DAR] = address;
@@ -1709,7 +1710,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
}
#if 0
printf("%s: set exception to %d %02x\n", __func__,
- env->exception, env->error_code);
+ cs->exception, env->error_code);
#endif
ret = 1;
}
@@ -2909,6 +2910,6 @@ void tlb_fill(CPUPPCState *env, target_ulong addr, int is_write, int mmu_idx,
/* now we have a real cpu fault */
cpu_restore_state(env, retaddr);
}
- helper_raise_exception_err(env, env->exception_index, env->error_code);
+ helper_raise_exception_err(env, cpu->exception_index, env->error_code);
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-01 03:17:30 +0000