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Diffstat (limited to 'softmmu_template.h')
-rw-r--r--softmmu_template.h82
1 files changed, 50 insertions, 32 deletions
diff --git a/softmmu_template.h b/softmmu_template.h
index 765e913a66..4f4f2f4d31 100644
--- a/softmmu_template.h
+++ b/softmmu_template.h
@@ -21,23 +21,31 @@
#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)
@@ -81,16 +89,16 @@ static inline void glue(io_write, SUFFIX)(unsigned long physaddr,
}
/* 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;
@@ -104,29 +112,31 @@ DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), _mmu)(unsigned long addr)
} 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;
@@ -142,8 +152,10 @@ static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr)
/* 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));
@@ -152,24 +164,25 @@ static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr)
#endif
} 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;
@@ -182,28 +195,30 @@ void REGPARM(2) glue(glue(__st, SUFFIX), _mmu)(unsigned long addr, DATA_TYPE val
glue(io_write, SUFFIX)(physaddr, val, tlb_addr);
} 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;
@@ -219,9 +234,11 @@ static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val,
/* 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 {
@@ -230,7 +247,7 @@ static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val,
}
} else {
/* the page is not in the TLB : fill it */
- tlb_fill(addr, 1, retaddr);
+ tlb_fill(addr, 1, is_user, retaddr);
goto redo;
}
}
@@ -238,4 +255,5 @@ static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val,
#undef SHIFT
#undef DATA_TYPE
#undef SUFFIX
+#undef USUFFIX
#undef DATA_SIZE
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-04 06:47:54 +0000