OpenE2K/qemu-e2k
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endianness fixes

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1250 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-28 22:40:22 +00:00
parent 8df1cd076c
commit 49be803015
2 changed files with 18 additions and 29 deletions
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32
target-sparc/helper.c
View File

@ -129,8 +129,7 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
/* SPARC reference MMU table walk: Context table->L1->L2->PTE */
/* Context base + context number */
pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
/* Ctx pde */
switch (pde & PTE_ENTRYTYPE_MASK) {
@ -142,8 +141,7 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
return 4;
case 1: /* L0 PDE */
pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
@ -153,8 +151,7 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
return 4;
case 1: /* L1 PDE */
pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
@ -164,8 +161,7 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
return 4;
case 1: /* L2 PDE */
pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
@ -193,12 +189,10 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
/* update page modified and dirty bits */
is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
uint32_t tmppde;
pde |= PG_ACCESSED_MASK;
if (is_dirty)
pde |= PG_MODIFIED_MASK;
tmppde = bswap32(pde);
cpu_physical_memory_write(pde_ptr, (uint8_t *)&tmppde, 4);
stl_phys_notdirty(pde_ptr, pde);
}
/* check access */
*access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
@ -356,8 +350,8 @@ uint32_t mmu_probe(uint32_t address, int mmulev)
/* Context base + context number */
pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
case 0: /* Invalid */
@ -368,8 +362,7 @@ uint32_t mmu_probe(uint32_t address, int mmulev)
if (mmulev == 3)
return pde;
pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
@ -382,8 +375,7 @@ uint32_t mmu_probe(uint32_t address, int mmulev)
if (mmulev == 2)
return pde;
pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
@ -396,8 +388,7 @@ uint32_t mmu_probe(uint32_t address, int mmulev)
if (mmulev == 1)
return pde;
pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
@ -424,8 +415,7 @@ void dump_mmu(void)
printf("MMU dump:\n");
pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 4);
cpu_physical_memory_read(pde_ptr, (uint8_t *)&pde, 4);
bswap32s(&pde);
pde = ldl_phys(pde_ptr);
printf("Root ptr: 0x%08x, ctx: %d\n", env->mmuregs[1] << 4, env->mmuregs[2]);
for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
pde_ptr = mmu_probe(va, 2);

15
target-sparc/op_helper.c
View File

@ -106,9 +106,9 @@ void helper_ld_asi(int asi, int size, int sign)
case 0x20 ... 0x2f: /* MMU passthrough */
cpu_physical_memory_read(T0, (void *) &ret, size);
if (size == 4)
bswap32s(&ret);
else if (size == 2)
bswap16s((uint16_t *)&ret);
tswap32s(&ret);
else if (size == 2)
tswap16s((uint16_t *)&ret);
break;
default:
ret = 0;
@ -170,7 +170,7 @@ void helper_st_asi(int asi, int size, int sign)
int src = T1, dst = T0;
uint8_t temp[32];
bswap32s(&src);
tswap32s(&src);
cpu_physical_memory_read(src, (void *) &temp, 32);
cpu_physical_memory_write(dst, (void *) &temp, 32);
@ -185,7 +185,7 @@ void helper_st_asi(int asi, int size, int sign)
uint64_t val;
val = (((uint64_t)T1) << 32) | T2;
bswap64s(&val);
tswap64s(&val);
for (i = 0; i < 32; i += 8, dst += 8) {
cpu_physical_memory_write(dst, (void *) &val, 8);
@ -196,10 +196,9 @@ void helper_st_asi(int asi, int size, int sign)
{
int temp = T1;
if (size == 4)
bswap32s(&temp);
tswap32s(&temp);
else if (size == 2)
bswap16s((uint16_t *)&temp);
tswap16s((uint16_t *)&temp);
cpu_physical_memory_write(T0, (void *) &temp, size);
}
return;