#if DATA_SIZE == 8
#define SUFFIX q
+#define USUFFIX q
#define DATA_TYPE uint64_t
#elif DATA_SIZE == 4
#define SUFFIX l
+#define USUFFIX l
#define DATA_TYPE uint32_t
#elif DATA_SIZE == 2
#define SUFFIX w
+#define USUFFIX uw
#define DATA_TYPE uint16_t
#elif DATA_SIZE == 1
#define SUFFIX b
+#define USUFFIX ub
#define DATA_TYPE uint8_t
#else
#error unsupported data size
#endif
-static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr);
-static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val,
- void *retaddr);
+static DATA_TYPE glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(unsigned long addr,
+ int is_user,
+ void *retaddr);
+static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(unsigned long addr,
+ DATA_TYPE val,
+ int is_user,
+ void *retaddr);
static inline DATA_TYPE glue(io_read, SUFFIX)(unsigned long physaddr,
unsigned long tlb_addr)
static inline void glue(io_write, SUFFIX)(unsigned long physaddr,
DATA_TYPE val,
- unsigned long tlb_addr)
+ unsigned long tlb_addr,
+ void *retaddr)
{
int index;
index = (tlb_addr >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
+ env->mem_write_vaddr = tlb_addr;
+ env->mem_write_pc = (unsigned long)retaddr;
#if SHIFT <= 2
io_mem_write[index][SHIFT](physaddr, val);
#else
}
/* handle all cases except unaligned access which span two pages */
-DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), _mmu)(unsigned long addr)
+DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), MMUSUFFIX)(unsigned long addr,
+ int is_user)
{
DATA_TYPE res;
- int is_user, index;
+ int index;
unsigned long physaddr, tlb_addr;
void *retaddr;
/* test if there is match for unaligned or IO access */
/* XXX: could done more in memory macro in a non portable way */
- is_user = ((env->hflags & HF_CPL_MASK) == 3);
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_read[is_user][index].address;
} else if (((addr & 0xfff) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {
/* slow unaligned access (it spans two pages or IO) */
do_unaligned_access:
- retaddr = __builtin_return_address(0);
- res = glue(slow_ld, SUFFIX)(addr, retaddr);
+ retaddr = GETPC();
+ res = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr,
+ is_user, retaddr);
} else {
/* unaligned access in the same page */
- res = glue(glue(ldu, SUFFIX), _raw)((uint8_t *)physaddr);
+ res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
}
} else {
/* the page is not in the TLB : fill it */
- retaddr = __builtin_return_address(0);
- tlb_fill(addr, 0, retaddr);
+ retaddr = GETPC();
+ tlb_fill(addr, 0, is_user, retaddr);
goto redo;
}
return res;
}
/* handle all unaligned cases */
-static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr)
+static DATA_TYPE glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(unsigned long addr,
+ int is_user,
+ void *retaddr)
{
DATA_TYPE res, res1, res2;
- int is_user, index, shift;
+ int index, shift;
unsigned long physaddr, tlb_addr, addr1, addr2;
- is_user = ((env->hflags & HF_CPL_MASK) == 3);
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_read[is_user][index].address;
/* slow unaligned access (it spans two pages) */
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
- res1 = glue(slow_ld, SUFFIX)(addr1, retaddr);
- res2 = glue(slow_ld, SUFFIX)(addr2, retaddr);
+ res1 = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr1,
+ is_user, retaddr);
+ res2 = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr2,
+ is_user, retaddr);
shift = (addr & (DATA_SIZE - 1)) * 8;
#ifdef TARGET_WORDS_BIGENDIAN
res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift));
#else
res = (res1 >> shift) | (res2 << ((DATA_SIZE * 8) - shift));
#endif
+ res = (DATA_TYPE)res;
} else {
/* unaligned/aligned access in the same page */
- res = glue(glue(ldu, SUFFIX), _raw)((uint8_t *)physaddr);
+ res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
}
} else {
/* the page is not in the TLB : fill it */
- tlb_fill(addr, 0, retaddr);
+ tlb_fill(addr, 0, is_user, retaddr);
goto redo;
}
return res;
}
-void REGPARM(2) glue(glue(__st, SUFFIX), _mmu)(unsigned long addr, DATA_TYPE val)
+void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(unsigned long addr,
+ DATA_TYPE val,
+ int is_user)
{
unsigned long physaddr, tlb_addr;
void *retaddr;
- int is_user, index;
+ int index;
- is_user = ((env->hflags & HF_CPL_MASK) == 3);
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_write[is_user][index].address;
if ((addr & TARGET_PAGE_MASK) == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- physaddr = addr + env->tlb_read[is_user][index].addend;
+ physaddr = addr + env->tlb_write[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 = GETPC();
+ glue(io_write, SUFFIX)(physaddr, val, tlb_addr, retaddr);
} else if (((addr & 0xfff) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {
do_unaligned_access:
- retaddr = __builtin_return_address(0);
- glue(slow_st, SUFFIX)(addr, val, retaddr);
+ retaddr = GETPC();
+ glue(glue(slow_st, SUFFIX), MMUSUFFIX)(addr, val,
+ is_user, retaddr);
} else {
/* aligned/unaligned access in the same page */
glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, val);
}
} else {
/* the page is not in the TLB : fill it */
- retaddr = __builtin_return_address(0);
- tlb_fill(addr, 1, retaddr);
+ retaddr = GETPC();
+ tlb_fill(addr, 1, is_user, retaddr);
goto redo;
}
}
/* handles all unaligned cases */
-static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val,
- void *retaddr)
+static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(unsigned long addr,
+ DATA_TYPE val,
+ int is_user,
+ void *retaddr)
{
unsigned long physaddr, tlb_addr;
- int is_user, index, i;
+ int index, i;
- is_user = ((env->hflags & HF_CPL_MASK) == 3);
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_write[is_user][index].address;
if ((addr & TARGET_PAGE_MASK) == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- physaddr = addr + env->tlb_read[is_user][index].addend;
+ physaddr = addr + env->tlb_write[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);
+ glue(io_write, SUFFIX)(physaddr, val, tlb_addr, retaddr);
} else if (((addr & 0xfff) + 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
- slow_stb(addr + i, val >> (((DATA_SIZE - 1) * 8) - (i * 8)), retaddr);
+ glue(slow_stb, MMUSUFFIX)(addr + i, val >> (((DATA_SIZE - 1) * 8) - (i * 8)),
+ is_user, retaddr);
#else
- slow_stb(addr + i, val >> (i * 8), retaddr);
+ glue(slow_stb, MMUSUFFIX)(addr + i, val >> (i * 8),
+ is_user, retaddr);
#endif
}
} else {
}
} else {
/* the page is not in the TLB : fill it */
- tlb_fill(addr, 1, retaddr);
+ tlb_fill(addr, 1, is_user, retaddr);
goto redo;
}
}
#undef SHIFT
#undef DATA_TYPE
#undef SUFFIX
+#undef USUFFIX
#undef DATA_SIZE
projects / qemu / blobdiff