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TD_softmmu_template.h
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TD_softmmu_template.h
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static DATA_TYPE glue(glue(TD_slow_ld, SUFFIX),
MMUSUFFIX) (target_ulong addr, int is_user,
void *retaddr);
DATA_TYPE REGPARM(1) glue(glue(__TD_ld, SUFFIX),
MMUSUFFIX) (target_ulong addr, int is_user)
{
DATA_TYPE res;
int index;
target_ulong tlb_addr;
target_phys_addr_t physaddr;
void *retaddr;
/* test if there is match for unaligned or IO access */
/* XXX: could done more in memory macro in a non portable way */
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[is_user][index].ADDR_READ;
if ((addr & TARGET_PAGE_MASK) ==
(tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
physaddr = addr + env->tlb_table[is_user][index].addend;
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
res = glue(io_read, SUFFIX) (physaddr, tlb_addr);
}
else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >=
TARGET_PAGE_SIZE) {
/* slow unaligned access (it spans two pages or IO) */
do_unaligned_access:
retaddr = GETPC();
#ifdef ALIGNED_ONLY
do_unaligned_access(addr, READ_ACCESS_TYPE, is_user, retaddr);
#endif
res =
glue(glue(TD_slow_ld, SUFFIX), MMUSUFFIX) (addr, is_user,
retaddr);
}
else {
/* unaligned/aligned access in the same page */
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
retaddr = GETPC();
do_unaligned_access(addr, READ_ACCESS_TYPE, is_user, retaddr);
}
#endif
res = glue(glue(TD_ld, USUFFIX), _raw) ((long) physaddr);
#if 0
if (remove_will_taint_page(addr & TARGET_PAGE_MASK)) {
taint_phys_page(addr & TARGET_PAGE_MASK,
physaddr & TARGET_PAGE_MASK);
}
#endif
}
}
else {
/* the page is not in the TLB : fill it */
retaddr = GETPC();
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0)
do_unaligned_access(addr, READ_ACCESS_TYPE, is_user, retaddr);
#endif
tlb_fill(addr, READ_ACCESS_TYPE, is_user, retaddr);
goto redo;
}
return res;
}
/* handle all unaligned cases */
static DATA_TYPE glue(glue(TD_slow_ld, SUFFIX),
MMUSUFFIX) (target_ulong addr, int is_user,
void *retaddr) {
DATA_TYPE res, res1;
int index, i;
target_phys_addr_t physaddr;
target_ulong tlb_addr;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[is_user][index].ADDR_READ;
if ((addr & TARGET_PAGE_MASK) ==
(tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
physaddr = addr + env->tlb_table[is_user][index].addend;
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
res = glue(io_read, SUFFIX) (physaddr, tlb_addr);
}
else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >=
TARGET_PAGE_SIZE) {
do_unaligned_access:
/* slow unaligned access (it spans two pages) */
for (i = 0, res = 0; i < DATA_SIZE; i++) {
res1 = glue(TD_slow_ldb, MMUSUFFIX) (addr + i, is_user, retaddr);
res |= (res1 << (i * 8));
}
res = (DATA_TYPE) res;
}
else {
/* unaligned/aligned access in the same page */
res = glue(glue(TD_ld, USUFFIX), _raw) ((long) physaddr);
#if 0
if (remove_will_taint_page(addr & TARGET_PAGE_MASK)) {
taint_phys_page(addr & TARGET_PAGE_MASK,
physaddr & TARGET_PAGE_MASK);
}
#endif
}
}
else {
/* the page is not in the TLB : fill it */
tlb_fill(addr, READ_ACCESS_TYPE, is_user, retaddr);
goto redo;
}
return res;
}
#ifndef SOFTMMU_CODE_ACCESS
static void glue(glue(TD_slow_st, SUFFIX), MMUSUFFIX) (target_ulong addr,
DATA_TYPE val,
int is_user,
void *retaddr);
void REGPARM(2) glue(glue(__TD_st, SUFFIX), MMUSUFFIX) (target_ulong addr,
DATA_TYPE val,
int is_user)
{
target_phys_addr_t physaddr;
target_ulong tlb_addr;
void *retaddr;
int index;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[is_user][index].addr_write;
if ((addr & TARGET_PAGE_MASK) ==
(tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
physaddr = addr + env->tlb_table[is_user][index].addend;
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
retaddr = GETPC();
glue(io_write, SUFFIX) (physaddr, val, tlb_addr, retaddr);
if (((tlb_addr >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1)) == 4) { //notdirty_mem_write
dump_physaddr_info(DATA_SIZE, (uint8_t*)physaddr);
}
}
else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >=
TARGET_PAGE_SIZE) {
do_unaligned_access:
retaddr = GETPC();
#ifdef ALIGNED_ONLY
do_unaligned_access(addr, 1, is_user, retaddr);
#endif
glue(glue(TD_slow_st, SUFFIX), MMUSUFFIX) (addr, val, is_user,
retaddr);
}
else {
/* aligned/unaligned access in the same page */
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
retaddr = GETPC();
do_unaligned_access(addr, 1, is_user, retaddr);
}
#endif
glue(glue(TD_st, SUFFIX), _raw) ((long) physaddr, val);
}
}
else {
/* the page is not in the TLB : fill it */
retaddr = GETPC();
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0)
do_unaligned_access(addr, 1, is_user, retaddr);
#endif
tlb_fill(addr, 1, is_user, retaddr);
goto redo;
}
}
/* handles all unaligned cases */
static void glue(glue(TD_slow_st, SUFFIX), MMUSUFFIX) (target_ulong addr,
DATA_TYPE val,
int is_user,
void *retaddr) {
target_phys_addr_t physaddr;
target_ulong tlb_addr;
int index, i;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[is_user][index].addr_write;
if ((addr & TARGET_PAGE_MASK) ==
(tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
physaddr = addr + env->tlb_table[is_user][index].addend;
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
glue(io_write, SUFFIX) (physaddr, val, tlb_addr, retaddr);
if (((tlb_addr >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1)) == 4) {
//notdirty_mem_write
dump_physaddr_info(DATA_SIZE, (uint8_t*)physaddr);
}
}
else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >=
TARGET_PAGE_SIZE) {
do_unaligned_access:
/* XXX: not efficient, but simple */
for (i = 0; i < DATA_SIZE; i++) {
#ifdef TARGET_WORDS_BIGENDIAN
glue(TD_slow_stb, MMUSUFFIX) (addr + i,
val >> (((DATA_SIZE - 1) * 8) -
(i * 8)), is_user, retaddr);
#else
glue(TD_slow_stb, MMUSUFFIX) (addr + i, val >> (i * 8),
is_user, retaddr);
#endif
}
}
else {
/* aligned/unaligned access in the same page */
glue(glue(TD_st, SUFFIX), _raw) (physaddr, val);
}
}
else {
/* the page is not in the TLB : fill it */
tlb_fill(addr, 1, is_user, retaddr);
goto redo;
}
}
#endif