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_MIPS)
59 #define CPU_MEM_INDEX ((env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM)
60 #elif defined (TARGET_SPARC)
61 #define CPU_MEM_INDEX ((env->psrs) == 0)
62 #elif defined (TARGET_ARM)
63 #define CPU_MEM_INDEX ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR)
65 #error unsupported CPU
67 #define MMUSUFFIX _mmu
69 #elif ACCESS_TYPE == 3
72 #define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
73 #elif defined (TARGET_PPC)
74 #define CPU_MEM_INDEX (msr_pr)
75 #elif defined (TARGET_MIPS)
76 #define CPU_MEM_INDEX ((env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM)
77 #elif defined (TARGET_SPARC)
78 #define CPU_MEM_INDEX ((env->psrs) == 0)
79 #elif defined (TARGET_ARM)
80 #define CPU_MEM_INDEX ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR)
82 #error unsupported CPU
84 #define MMUSUFFIX _cmmu
87 #error invalid ACCESS_TYPE
91 #define RES_TYPE uint64_t
97 #define ADDR_READ addr_code
99 #define ADDR_READ addr_read
102 DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), MMUSUFFIX)(target_ulong addr,
104 void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr, DATA_TYPE v, int is_user);
106 #if (DATA_SIZE <= 4) && (TARGET_LONG_BITS == 32) && defined(__i386__) && \
107 (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU)
109 #define CPU_TLB_ENTRY_BITS 4
111 static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
115 asm volatile ("movl %1, %%edx\n"
120 "leal %5(%%edx, %%ebp), %%edx\n"
121 "cmpl (%%edx), %%eax\n"
130 "addl 12(%%edx), %%eax\n"
132 "movzbl (%%eax), %0\n"
134 "movzwl (%%eax), %0\n"
138 #error unsupported size
143 "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
144 "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
145 "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
146 "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_read)),
148 "m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
149 : "%eax", "%ecx", "%edx", "memory", "cc");
154 static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
158 asm volatile ("movl %1, %%edx\n"
163 "leal %5(%%edx, %%ebp), %%edx\n"
164 "cmpl (%%edx), %%eax\n"
175 #error unsupported size
179 "addl 12(%%edx), %%eax\n"
181 "movsbl (%%eax), %0\n"
183 "movswl (%%eax), %0\n"
185 #error unsupported size
190 "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
191 "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
192 "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
193 "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_read)),
195 "m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
196 : "%eax", "%ecx", "%edx", "memory", "cc");
201 static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
203 asm volatile ("movl %0, %%edx\n"
208 "leal %5(%%edx, %%ebp), %%edx\n"
209 "cmpl (%%edx), %%eax\n"
213 "movzbl %b1, %%edx\n"
215 "movzwl %w1, %%edx\n"
219 #error unsupported size
226 "addl 8(%%edx), %%eax\n"
228 "movb %b1, (%%eax)\n"
230 "movw %w1, (%%eax)\n"
234 #error unsupported size
239 /* NOTE: 'q' would be needed as constraint, but we could not use it
242 "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
243 "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
244 "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
245 "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_write)),
247 "m" (*(uint8_t *)&glue(glue(__st, SUFFIX), MMUSUFFIX))
248 : "%eax", "%ecx", "%edx", "memory", "cc");
253 /* generic load/store macros */
255 static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
260 unsigned long physaddr;
264 index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
265 is_user = CPU_MEM_INDEX;
266 if (__builtin_expect(env->tlb_table[is_user][index].ADDR_READ !=
267 (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
268 res = glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, is_user);
270 physaddr = addr + env->tlb_table[is_user][index].addend;
271 res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
277 static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
281 unsigned long physaddr;
285 index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
286 is_user = CPU_MEM_INDEX;
287 if (__builtin_expect(env->tlb_table[is_user][index].ADDR_READ !=
288 (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
289 res = (DATA_STYPE)glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, is_user);
291 physaddr = addr + env->tlb_table[is_user][index].addend;
292 res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr);
300 /* generic store macro */
302 static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
306 unsigned long physaddr;
310 index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
311 is_user = CPU_MEM_INDEX;
312 if (__builtin_expect(env->tlb_table[is_user][index].addr_write !=
313 (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
314 glue(glue(__st, SUFFIX), MMUSUFFIX)(addr, v, is_user);
316 physaddr = addr + env->tlb_table[is_user][index].addend;
317 glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v);
321 #endif /* ACCESS_TYPE != 3 */
328 static inline float64 glue(ldfq, MEMSUFFIX)(target_ulong ptr)
334 u.i = glue(ldq, MEMSUFFIX)(ptr);
338 static inline void glue(stfq, MEMSUFFIX)(target_ulong ptr, float64 v)
345 glue(stq, MEMSUFFIX)(ptr, u.i);
347 #endif /* DATA_SIZE == 8 */
350 static inline float32 glue(ldfl, MEMSUFFIX)(target_ulong ptr)
356 u.i = glue(ldl, MEMSUFFIX)(ptr);
360 static inline void glue(stfl, MEMSUFFIX)(target_ulong ptr, float32 v)
367 glue(stl, MEMSUFFIX)(ptr, u.i);
369 #endif /* DATA_SIZE == 4 */
371 #endif /* ACCESS_TYPE != 3 */