4 * Copyright (c) 2003 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #define DATA_TYPE uint64_t
27 #define DATA_TYPE uint32_t
31 #define DATA_TYPE uint16_t
32 #define DATA_STYPE int16_t
36 #define DATA_TYPE uint8_t
37 #define DATA_STYPE int8_t
39 #error unsupported data size
44 #define CPU_MEM_INDEX 0
45 #define MMUSUFFIX _mmu
47 #elif ACCESS_TYPE == 1
49 #define CPU_MEM_INDEX 1
50 #define MMUSUFFIX _mmu
52 #elif ACCESS_TYPE == 2
55 #define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
56 #elif defined (TARGET_PPC)
57 #define CPU_MEM_INDEX (msr_pr)
58 #elif defined (TARGET_SPARC)
59 #define CPU_MEM_INDEX ((env->psrs) == 0)
61 #define MMUSUFFIX _mmu
63 #elif ACCESS_TYPE == 3
66 #define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
67 #elif defined (TARGET_PPC)
68 #define CPU_MEM_INDEX (msr_pr)
69 #elif defined (TARGET_SPARC)
70 #define CPU_MEM_INDEX ((env->psrs) == 0)
72 #define MMUSUFFIX _cmmu
75 #error invalid ACCESS_TYPE
79 #define RES_TYPE uint64_t
85 DATA_TYPE
REGPARM(1) glue(glue(__ld
, SUFFIX
), MMUSUFFIX
)(target_ulong addr
,
87 void REGPARM(2) glue(glue(__st
, SUFFIX
), MMUSUFFIX
)(target_ulong addr
, DATA_TYPE v
, int is_user
);
89 #if (DATA_SIZE <= 4) && (TARGET_LONG_BITS == 32) && defined(__i386__) && \
90 (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU)
92 static inline RES_TYPE
glue(glue(ld
, USUFFIX
), MEMSUFFIX
)(target_ulong ptr
)
96 asm volatile ("movl %1, %%edx\n"
101 "leal %5(%%edx, %%ebp), %%edx\n"
102 "cmpl (%%edx), %%eax\n"
111 "addl 4(%%edx), %%eax\n"
113 "movzbl (%%eax), %0\n"
115 "movzwl (%%eax), %0\n"
119 #error unsupported size
124 "i" ((CPU_TLB_SIZE
- 1) << 3),
125 "i" (TARGET_PAGE_BITS
- 3),
126 "i" (TARGET_PAGE_MASK
| (DATA_SIZE
- 1)),
127 "m" (*(uint32_t *)offsetof(CPUState
, tlb_read
[CPU_MEM_INDEX
][0].address
)),
129 "m" (*(uint8_t *)&glue(glue(__ld
, SUFFIX
), MMUSUFFIX
))
130 : "%eax", "%ecx", "%edx", "memory", "cc");
135 static inline int glue(glue(lds
, SUFFIX
), MEMSUFFIX
)(target_ulong ptr
)
139 asm volatile ("movl %1, %%edx\n"
144 "leal %5(%%edx, %%ebp), %%edx\n"
145 "cmpl (%%edx), %%eax\n"
156 #error unsupported size
160 "addl 4(%%edx), %%eax\n"
162 "movsbl (%%eax), %0\n"
164 "movswl (%%eax), %0\n"
166 #error unsupported size
171 "i" ((CPU_TLB_SIZE
- 1) << 3),
172 "i" (TARGET_PAGE_BITS
- 3),
173 "i" (TARGET_PAGE_MASK
| (DATA_SIZE
- 1)),
174 "m" (*(uint32_t *)offsetof(CPUState
, tlb_read
[CPU_MEM_INDEX
][0].address
)),
176 "m" (*(uint8_t *)&glue(glue(__ld
, SUFFIX
), MMUSUFFIX
))
177 : "%eax", "%ecx", "%edx", "memory", "cc");
182 static inline void glue(glue(st
, SUFFIX
), MEMSUFFIX
)(target_ulong ptr
, RES_TYPE v
)
184 asm volatile ("movl %0, %%edx\n"
189 "leal %5(%%edx, %%ebp), %%edx\n"
190 "cmpl (%%edx), %%eax\n"
194 "movzbl %b1, %%edx\n"
196 "movzwl %w1, %%edx\n"
200 #error unsupported size
207 "addl 4(%%edx), %%eax\n"
209 "movb %b1, (%%eax)\n"
211 "movw %w1, (%%eax)\n"
215 #error unsupported size
220 /* NOTE: 'q' would be needed as constraint, but we could not use it
223 "i" ((CPU_TLB_SIZE
- 1) << 3),
224 "i" (TARGET_PAGE_BITS
- 3),
225 "i" (TARGET_PAGE_MASK
| (DATA_SIZE
- 1)),
226 "m" (*(uint32_t *)offsetof(CPUState
, tlb_write
[CPU_MEM_INDEX
][0].address
)),
228 "m" (*(uint8_t *)&glue(glue(__st
, SUFFIX
), MMUSUFFIX
))
229 : "%eax", "%ecx", "%edx", "memory", "cc");
234 /* generic load/store macros */
236 static inline RES_TYPE
glue(glue(ld
, USUFFIX
), MEMSUFFIX
)(target_ulong ptr
)
241 unsigned long physaddr
;
245 index
= (addr
>> TARGET_PAGE_BITS
) & (CPU_TLB_SIZE
- 1);
246 is_user
= CPU_MEM_INDEX
;
247 if (__builtin_expect(env
->tlb_read
[is_user
][index
].address
!=
248 (addr
& (TARGET_PAGE_MASK
| (DATA_SIZE
- 1))), 0)) {
249 res
= glue(glue(__ld
, SUFFIX
), MMUSUFFIX
)(addr
, is_user
);
251 physaddr
= addr
+ env
->tlb_read
[is_user
][index
].addend
;
252 res
= glue(glue(ld
, USUFFIX
), _raw
)((uint8_t *)physaddr
);
258 static inline int glue(glue(lds
, SUFFIX
), MEMSUFFIX
)(target_ulong ptr
)
262 unsigned long physaddr
;
266 index
= (addr
>> TARGET_PAGE_BITS
) & (CPU_TLB_SIZE
- 1);
267 is_user
= CPU_MEM_INDEX
;
268 if (__builtin_expect(env
->tlb_read
[is_user
][index
].address
!=
269 (addr
& (TARGET_PAGE_MASK
| (DATA_SIZE
- 1))), 0)) {
270 res
= (DATA_STYPE
)glue(glue(__ld
, SUFFIX
), MMUSUFFIX
)(addr
, is_user
);
272 physaddr
= addr
+ env
->tlb_read
[is_user
][index
].addend
;
273 res
= glue(glue(lds
, SUFFIX
), _raw
)((uint8_t *)physaddr
);
279 /* generic store macro */
281 static inline void glue(glue(st
, SUFFIX
), MEMSUFFIX
)(target_ulong ptr
, RES_TYPE v
)
285 unsigned long physaddr
;
289 index
= (addr
>> TARGET_PAGE_BITS
) & (CPU_TLB_SIZE
- 1);
290 is_user
= CPU_MEM_INDEX
;
291 if (__builtin_expect(env
->tlb_write
[is_user
][index
].address
!=
292 (addr
& (TARGET_PAGE_MASK
| (DATA_SIZE
- 1))), 0)) {
293 glue(glue(__st
, SUFFIX
), MMUSUFFIX
)(addr
, v
, is_user
);
295 physaddr
= addr
+ env
->tlb_write
[is_user
][index
].addend
;
296 glue(glue(st
, SUFFIX
), _raw
)((uint8_t *)physaddr
, v
);
303 static inline double glue(ldfq
, MEMSUFFIX
)(target_ulong ptr
)
309 u
.i
= glue(ldq
, MEMSUFFIX
)(ptr
);
313 static inline void glue(stfq
, MEMSUFFIX
)(target_ulong ptr
, double v
)
320 glue(stq
, MEMSUFFIX
)(ptr
, u
.i
);
322 #endif /* DATA_SIZE == 8 */
325 static inline float glue(ldfl
, MEMSUFFIX
)(target_ulong ptr
)
331 u
.i
= glue(ldl
, MEMSUFFIX
)(ptr
);
335 static inline void glue(stfl
, MEMSUFFIX
)(target_ulong ptr
, float v
)
342 glue(stl
, MEMSUFFIX
)(ptr
, u
.i
);
344 #endif /* DATA_SIZE == 4 */