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Diffstat (limited to 'softmmu_template.h')
-rw-r--r--softmmu_template.h88
1 files changed, 24 insertions, 64 deletions
diff --git a/softmmu_template.h b/softmmu_template.h
index 208f808f3e..4d378ca630 100644
--- a/softmmu_template.h
+++ b/softmmu_template.h
@@ -171,20 +171,21 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr,
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
+ int a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
DATA_TYPE res;
/* Adjust the given return address. */
retaddr -= GETPC_ADJ;
+ if (a_bits > 0 && (addr & ((1 << a_bits) - 1)) != 0) {
+ cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
+ mmu_idx, retaddr);
+ }
+
/* If the TLB entry is for a different page, reload and try again. */
if ((addr & TARGET_PAGE_MASK)
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
- mmu_idx, retaddr);
- }
if (!VICTIM_TLB_HIT(ADDR_READ)) {
tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
@@ -215,10 +216,6 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr,
DATA_TYPE res1, res2;
unsigned shift;
do_unaligned_access:
- if ((get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
- mmu_idx, retaddr);
- }
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
/* Note the adjustment at the beginning of the function.
@@ -232,13 +229,6 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr,
return res;
}
- /* Handle aligned access or unaligned access in the same page. */
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
- mmu_idx, retaddr);
- }
-
haddr = addr + env->tlb_table[mmu_idx][index].addend;
#if DATA_SIZE == 1
res = glue(glue(ld, LSUFFIX), _p)((uint8_t *)haddr);
@@ -255,20 +245,21 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr,
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
+ int a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
DATA_TYPE res;
/* Adjust the given return address. */
retaddr -= GETPC_ADJ;
+ if (a_bits > 0 && (addr & ((1 << a_bits) - 1)) != 0) {
+ cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
+ mmu_idx, retaddr);
+ }
+
/* If the TLB entry is for a different page, reload and try again. */
if ((addr & TARGET_PAGE_MASK)
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
- mmu_idx, retaddr);
- }
if (!VICTIM_TLB_HIT(ADDR_READ)) {
tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
@@ -299,10 +290,6 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr,
DATA_TYPE res1, res2;
unsigned shift;
do_unaligned_access:
- if ((get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
- mmu_idx, retaddr);
- }
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
/* Note the adjustment at the beginning of the function.
@@ -316,13 +303,6 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr,
return res;
}
- /* Handle aligned access or unaligned access in the same page. */
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
- mmu_idx, retaddr);
- }
-
haddr = addr + env->tlb_table[mmu_idx][index].addend;
res = glue(glue(ld, LSUFFIX), _be_p)((uint8_t *)haddr);
return res;
@@ -376,19 +356,20 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
+ int a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
/* Adjust the given return address. */
retaddr -= GETPC_ADJ;
+ if (a_bits > 0 && (addr & ((1 << a_bits) - 1)) != 0) {
+ cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
+ mmu_idx, retaddr);
+ }
+
/* If the TLB entry is for a different page, reload and try again. */
if ((addr & TARGET_PAGE_MASK)
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
- mmu_idx, retaddr);
- }
if (!VICTIM_TLB_HIT(addr_write)) {
tlb_fill(ENV_GET_CPU(env), addr, MMU_DATA_STORE, mmu_idx, retaddr);
}
@@ -416,10 +397,6 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
>= TARGET_PAGE_SIZE)) {
int i;
do_unaligned_access:
- if ((get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
- mmu_idx, retaddr);
- }
/* XXX: not efficient, but simple */
/* Note: relies on the fact that tlb_fill() does not remove the
* previous page from the TLB cache. */
@@ -434,13 +411,6 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
return;
}
- /* Handle aligned access or unaligned access in the same page. */
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
- mmu_idx, retaddr);
- }
-
haddr = addr + env->tlb_table[mmu_idx][index].addend;
#if DATA_SIZE == 1
glue(glue(st, SUFFIX), _p)((uint8_t *)haddr, val);
@@ -456,19 +426,20 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
+ int a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
/* Adjust the given return address. */
retaddr -= GETPC_ADJ;
+ if (a_bits > 0 && (addr & ((1 << a_bits) - 1)) != 0) {
+ cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
+ mmu_idx, retaddr);
+ }
+
/* If the TLB entry is for a different page, reload and try again. */
if ((addr & TARGET_PAGE_MASK)
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
- mmu_idx, retaddr);
- }
if (!VICTIM_TLB_HIT(addr_write)) {
tlb_fill(ENV_GET_CPU(env), addr, MMU_DATA_STORE, mmu_idx, retaddr);
}
@@ -496,10 +467,6 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
>= TARGET_PAGE_SIZE)) {
int i;
do_unaligned_access:
- if ((get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
- mmu_idx, retaddr);
- }
/* XXX: not efficient, but simple */
/* Note: relies on the fact that tlb_fill() does not remove the
* previous page from the TLB cache. */
@@ -514,13 +481,6 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
return;
}
- /* Handle aligned access or unaligned access in the same page. */
- if ((addr & (DATA_SIZE - 1)) != 0
- && (get_memop(oi) & MO_AMASK) == MO_ALIGN) {
- cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
- mmu_idx, retaddr);
- }
-
haddr = addr + env->tlb_table[mmu_idx][index].addend;
glue(glue(st, SUFFIX), _be_p)((uint8_t *)haddr, val);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 16:07:33 +0000