/*
* Software MMU support
- *
+ *
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
#define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
#elif defined (TARGET_PPC)
#define CPU_MEM_INDEX (msr_pr)
+#elif defined (TARGET_MIPS)
+#define CPU_MEM_INDEX ((env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM)
+#elif defined (TARGET_SPARC)
+#define CPU_MEM_INDEX ((env->psrs) == 0)
+#elif defined (TARGET_ARM)
+#define CPU_MEM_INDEX ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR)
+#elif defined (TARGET_SH4)
+#define CPU_MEM_INDEX ((env->sr & SR_MD) == 0)
+#elif defined (TARGET_ALPHA)
+#define CPU_MEM_INDEX ((env->ps >> 3) & 3)
+#elif defined (TARGET_M68K)
+#define CPU_MEM_INDEX ((env->sr & SR_S) == 0)
+#else
+#error unsupported CPU
#endif
#define MMUSUFFIX _mmu
#define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
#elif defined (TARGET_PPC)
#define CPU_MEM_INDEX (msr_pr)
+#elif defined (TARGET_MIPS)
+#define CPU_MEM_INDEX ((env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM)
+#elif defined (TARGET_SPARC)
+#define CPU_MEM_INDEX ((env->psrs) == 0)
+#elif defined (TARGET_ARM)
+#define CPU_MEM_INDEX ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR)
+#elif defined (TARGET_SH4)
+#define CPU_MEM_INDEX ((env->sr & SR_MD) == 0)
+#elif defined (TARGET_ALPHA)
+#define CPU_MEM_INDEX ((env->ps >> 3) & 3)
+#elif defined (TARGET_M68K)
+#define CPU_MEM_INDEX ((env->sr & SR_S) == 0)
+#else
+#error unsupported CPU
#endif
#define MMUSUFFIX _cmmu
#define RES_TYPE int
#endif
+#if ACCESS_TYPE == 3
+#define ADDR_READ addr_code
+#else
+#define ADDR_READ addr_read
+#endif
-DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), MMUSUFFIX)(unsigned long addr,
+DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), MMUSUFFIX)(target_ulong addr,
int is_user);
-void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(unsigned long addr, DATA_TYPE v, int is_user);
+void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr, DATA_TYPE v, int is_user);
+
+#if (DATA_SIZE <= 4) && (TARGET_LONG_BITS == 32) && defined(__i386__) && \
+ (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU)
-#if (DATA_SIZE <= 4) && defined(__i386__) && (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU)
+#define CPU_TLB_ENTRY_BITS 4
-static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(void *ptr)
+static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
{
int res;
"movl %%eax, %0\n"
"jmp 2f\n"
"1:\n"
- "addl 4(%%edx), %%eax\n"
+ "addl 12(%%edx), %%eax\n"
#if DATA_SIZE == 1
"movzbl (%%eax), %0\n"
#elif DATA_SIZE == 2
#endif
"2:\n"
: "=r" (res)
- : "r" (ptr),
- "i" ((CPU_TLB_SIZE - 1) << 3),
- "i" (TARGET_PAGE_BITS - 3),
+ : "r" (ptr),
+ "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
+ "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
"i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
- "m" (*(uint32_t *)offsetof(CPUState, tlb_read[CPU_MEM_INDEX][0].address)),
+ "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_read)),
"i" (CPU_MEM_INDEX),
"m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
: "%eax", "%ecx", "%edx", "memory", "cc");
}
#if DATA_SIZE <= 2
-static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(void *ptr)
+static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
{
int res;
#endif
"jmp 2f\n"
"1:\n"
- "addl 4(%%edx), %%eax\n"
+ "addl 12(%%edx), %%eax\n"
#if DATA_SIZE == 1
"movsbl (%%eax), %0\n"
#elif DATA_SIZE == 2
#endif
"2:\n"
: "=r" (res)
- : "r" (ptr),
- "i" ((CPU_TLB_SIZE - 1) << 3),
- "i" (TARGET_PAGE_BITS - 3),
+ : "r" (ptr),
+ "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
+ "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
"i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
- "m" (*(uint32_t *)offsetof(CPUState, tlb_read[CPU_MEM_INDEX][0].address)),
+ "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_read)),
"i" (CPU_MEM_INDEX),
"m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
: "%eax", "%ecx", "%edx", "memory", "cc");
}
#endif
-static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(void *ptr, RES_TYPE v)
+static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
{
asm volatile ("movl %0, %%edx\n"
"movl %0, %%eax\n"
"popl %%eax\n"
"jmp 2f\n"
"1:\n"
- "addl 4(%%edx), %%eax\n"
+ "addl 8(%%edx), %%eax\n"
#if DATA_SIZE == 1
"movb %b1, (%%eax)\n"
#elif DATA_SIZE == 2
#error unsupported size
#endif
"2:\n"
- :
- : "r" (ptr),
+ :
+ : "r" (ptr),
/* NOTE: 'q' would be needed as constraint, but we could not use it
with T1 ! */
- "r" (v),
- "i" ((CPU_TLB_SIZE - 1) << 3),
- "i" (TARGET_PAGE_BITS - 3),
+ "r" (v),
+ "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
+ "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
"i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
- "m" (*(uint32_t *)offsetof(CPUState, tlb_write[CPU_MEM_INDEX][0].address)),
+ "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_write)),
"i" (CPU_MEM_INDEX),
"m" (*(uint8_t *)&glue(glue(__st, SUFFIX), MMUSUFFIX))
: "%eax", "%ecx", "%edx", "memory", "cc");
/* generic load/store macros */
-static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(void *ptr)
+static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
{
int index;
RES_TYPE res;
- unsigned long addr, physaddr;
+ target_ulong addr;
+ unsigned long physaddr;
int is_user;
- addr = (unsigned long)ptr;
+ addr = ptr;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
is_user = CPU_MEM_INDEX;
- if (__builtin_expect(env->tlb_read[is_user][index].address !=
+ if (__builtin_expect(env->tlb_table[is_user][index].ADDR_READ !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
res = glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, is_user);
} else {
- physaddr = addr + env->tlb_read[is_user][index].addend;
+ physaddr = addr + env->tlb_table[is_user][index].addend;
res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
}
return res;
}
#if DATA_SIZE <= 2
-static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(void *ptr)
+static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
{
int res, index;
- unsigned long addr, physaddr;
+ target_ulong addr;
+ unsigned long physaddr;
int is_user;
- addr = (unsigned long)ptr;
+ addr = ptr;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
is_user = CPU_MEM_INDEX;
- if (__builtin_expect(env->tlb_read[is_user][index].address !=
+ if (__builtin_expect(env->tlb_table[is_user][index].ADDR_READ !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
res = (DATA_STYPE)glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, is_user);
} else {
- physaddr = addr + env->tlb_read[is_user][index].addend;
+ physaddr = addr + env->tlb_table[is_user][index].addend;
res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr);
}
return res;
}
#endif
+#if ACCESS_TYPE != 3
+
/* generic store macro */
-static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(void *ptr, RES_TYPE v)
+static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
{
int index;
- unsigned long addr, physaddr;
+ target_ulong addr;
+ unsigned long physaddr;
int is_user;
- addr = (unsigned long)ptr;
+ addr = ptr;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
is_user = CPU_MEM_INDEX;
- if (__builtin_expect(env->tlb_write[is_user][index].address !=
+ if (__builtin_expect(env->tlb_table[is_user][index].addr_write !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
glue(glue(__st, SUFFIX), MMUSUFFIX)(addr, v, is_user);
} else {
- physaddr = addr + env->tlb_write[is_user][index].addend;
+ physaddr = addr + env->tlb_table[is_user][index].addend;
glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v);
}
}
-#endif
+#endif /* ACCESS_TYPE != 3 */
+
+#endif /* !asm */
+
+#if ACCESS_TYPE != 3
#if DATA_SIZE == 8
-static inline double glue(ldfq, MEMSUFFIX)(void *ptr)
+static inline float64 glue(ldfq, MEMSUFFIX)(target_ulong ptr)
{
union {
- double d;
+ float64 d;
uint64_t i;
} u;
u.i = glue(ldq, MEMSUFFIX)(ptr);
return u.d;
}
-static inline void glue(stfq, MEMSUFFIX)(void *ptr, double v)
+static inline void glue(stfq, MEMSUFFIX)(target_ulong ptr, float64 v)
{
union {
- double d;
+ float64 d;
uint64_t i;
} u;
u.d = v;
#endif /* DATA_SIZE == 8 */
#if DATA_SIZE == 4
-static inline float glue(ldfl, MEMSUFFIX)(void *ptr)
+static inline float32 glue(ldfl, MEMSUFFIX)(target_ulong ptr)
{
union {
- float f;
+ float32 f;
uint32_t i;
} u;
u.i = glue(ldl, MEMSUFFIX)(ptr);
return u.f;
}
-static inline void glue(stfl, MEMSUFFIX)(void *ptr, float v)
+static inline void glue(stfl, MEMSUFFIX)(target_ulong ptr, float32 v)
{
union {
- float f;
+ float32 f;
uint32_t i;
} u;
u.f = v;
}
#endif /* DATA_SIZE == 4 */
+#endif /* ACCESS_TYPE != 3 */
+
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef DATA_SIZE
#undef CPU_MEM_INDEX
#undef MMUSUFFIX
+#undef ADDR_READ