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5a9fdfec FB |
1 | /* |
2 | * defines common to all virtual CPUs | |
3 | * | |
4 | * Copyright (c) 2003 Fabrice Bellard | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | #ifndef CPU_ALL_H | |
21 | #define CPU_ALL_H | |
22 | ||
61382a50 FB |
23 | /* CPU memory access without any memory or io remapping */ |
24 | ||
25 | static inline int ldub_raw(void *ptr) | |
5a9fdfec FB |
26 | { |
27 | return *(uint8_t *)ptr; | |
28 | } | |
29 | ||
61382a50 | 30 | static inline int ldsb_raw(void *ptr) |
5a9fdfec FB |
31 | { |
32 | return *(int8_t *)ptr; | |
33 | } | |
34 | ||
61382a50 | 35 | static inline void stb_raw(void *ptr, int v) |
5a9fdfec FB |
36 | { |
37 | *(uint8_t *)ptr = v; | |
38 | } | |
39 | ||
40 | /* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the | |
41 | kernel handles unaligned load/stores may give better results, but | |
42 | it is a system wide setting : bad */ | |
43 | #if defined(WORDS_BIGENDIAN) || defined(__arm__) | |
44 | ||
45 | /* conservative code for little endian unaligned accesses */ | |
61382a50 | 46 | static inline int lduw_raw(void *ptr) |
5a9fdfec FB |
47 | { |
48 | #ifdef __powerpc__ | |
49 | int val; | |
50 | __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); | |
51 | return val; | |
52 | #else | |
53 | uint8_t *p = ptr; | |
54 | return p[0] | (p[1] << 8); | |
55 | #endif | |
56 | } | |
57 | ||
61382a50 | 58 | static inline int ldsw_raw(void *ptr) |
5a9fdfec FB |
59 | { |
60 | #ifdef __powerpc__ | |
61 | int val; | |
62 | __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); | |
63 | return (int16_t)val; | |
64 | #else | |
65 | uint8_t *p = ptr; | |
66 | return (int16_t)(p[0] | (p[1] << 8)); | |
67 | #endif | |
68 | } | |
69 | ||
61382a50 | 70 | static inline int ldl_raw(void *ptr) |
5a9fdfec FB |
71 | { |
72 | #ifdef __powerpc__ | |
73 | int val; | |
74 | __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr)); | |
75 | return val; | |
76 | #else | |
77 | uint8_t *p = ptr; | |
78 | return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); | |
79 | #endif | |
80 | } | |
81 | ||
61382a50 | 82 | static inline uint64_t ldq_raw(void *ptr) |
5a9fdfec FB |
83 | { |
84 | uint8_t *p = ptr; | |
85 | uint32_t v1, v2; | |
61382a50 FB |
86 | v1 = ldl_raw(p); |
87 | v2 = ldl_raw(p + 4); | |
5a9fdfec FB |
88 | return v1 | ((uint64_t)v2 << 32); |
89 | } | |
90 | ||
61382a50 | 91 | static inline void stw_raw(void *ptr, int v) |
5a9fdfec FB |
92 | { |
93 | #ifdef __powerpc__ | |
94 | __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr)); | |
95 | #else | |
96 | uint8_t *p = ptr; | |
97 | p[0] = v; | |
98 | p[1] = v >> 8; | |
99 | #endif | |
100 | } | |
101 | ||
61382a50 | 102 | static inline void stl_raw(void *ptr, int v) |
5a9fdfec FB |
103 | { |
104 | #ifdef __powerpc__ | |
105 | __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr)); | |
106 | #else | |
107 | uint8_t *p = ptr; | |
108 | p[0] = v; | |
109 | p[1] = v >> 8; | |
110 | p[2] = v >> 16; | |
111 | p[3] = v >> 24; | |
112 | #endif | |
113 | } | |
114 | ||
61382a50 | 115 | static inline void stq_raw(void *ptr, uint64_t v) |
5a9fdfec FB |
116 | { |
117 | uint8_t *p = ptr; | |
61382a50 FB |
118 | stl_raw(p, (uint32_t)v); |
119 | stl_raw(p + 4, v >> 32); | |
5a9fdfec FB |
120 | } |
121 | ||
122 | /* float access */ | |
123 | ||
61382a50 | 124 | static inline float ldfl_raw(void *ptr) |
5a9fdfec FB |
125 | { |
126 | union { | |
127 | float f; | |
128 | uint32_t i; | |
129 | } u; | |
61382a50 | 130 | u.i = ldl_raw(ptr); |
5a9fdfec FB |
131 | return u.f; |
132 | } | |
133 | ||
61382a50 | 134 | static inline void stfl_raw(void *ptr, float v) |
5a9fdfec FB |
135 | { |
136 | union { | |
137 | float f; | |
138 | uint32_t i; | |
139 | } u; | |
140 | u.f = v; | |
61382a50 | 141 | stl_raw(ptr, u.i); |
5a9fdfec FB |
142 | } |
143 | ||
33417e70 | 144 | |
5a9fdfec FB |
145 | #if defined(__arm__) && !defined(WORDS_BIGENDIAN) |
146 | ||
147 | /* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */ | |
61382a50 | 148 | static inline double ldfq_raw(void *ptr) |
5a9fdfec FB |
149 | { |
150 | union { | |
151 | double d; | |
152 | uint32_t tab[2]; | |
153 | } u; | |
61382a50 FB |
154 | u.tab[1] = ldl_raw(ptr); |
155 | u.tab[0] = ldl_raw(ptr + 4); | |
5a9fdfec FB |
156 | return u.d; |
157 | } | |
158 | ||
61382a50 | 159 | static inline void stfq_raw(void *ptr, double v) |
5a9fdfec FB |
160 | { |
161 | union { | |
162 | double d; | |
163 | uint32_t tab[2]; | |
164 | } u; | |
165 | u.d = v; | |
61382a50 FB |
166 | stl_raw(ptr, u.tab[1]); |
167 | stl_raw(ptr + 4, u.tab[0]); | |
5a9fdfec FB |
168 | } |
169 | ||
170 | #else | |
61382a50 | 171 | static inline double ldfq_raw(void *ptr) |
5a9fdfec FB |
172 | { |
173 | union { | |
174 | double d; | |
175 | uint64_t i; | |
176 | } u; | |
61382a50 | 177 | u.i = ldq_raw(ptr); |
5a9fdfec FB |
178 | return u.d; |
179 | } | |
180 | ||
61382a50 | 181 | static inline void stfq_raw(void *ptr, double v) |
5a9fdfec FB |
182 | { |
183 | union { | |
184 | double d; | |
185 | uint64_t i; | |
186 | } u; | |
187 | u.d = v; | |
61382a50 | 188 | stq_raw(ptr, u.i); |
5a9fdfec FB |
189 | } |
190 | #endif | |
191 | ||
93ac68bc FB |
192 | #elif defined(TARGET_WORDS_BIGENDIAN) && !defined(WORDS_BIGENDIAN) |
193 | ||
61382a50 | 194 | static inline int lduw_raw(void *ptr) |
93ac68bc FB |
195 | { |
196 | uint8_t *b = (uint8_t *) ptr; | |
197 | return (b[0]<<8|b[1]); | |
198 | } | |
199 | ||
61382a50 | 200 | static inline int ldsw_raw(void *ptr) |
93ac68bc FB |
201 | { |
202 | int8_t *b = (int8_t *) ptr; | |
203 | return (b[0]<<8|b[1]); | |
204 | } | |
205 | ||
61382a50 | 206 | static inline int ldl_raw(void *ptr) |
93ac68bc FB |
207 | { |
208 | uint8_t *b = (uint8_t *) ptr; | |
209 | return (b[0]<<24|b[1]<<16|b[2]<<8|b[3]); | |
210 | } | |
211 | ||
61382a50 | 212 | static inline uint64_t ldq_raw(void *ptr) |
93ac68bc FB |
213 | { |
214 | uint32_t a,b; | |
9f05cc34 FB |
215 | a = ldl_raw(ptr); |
216 | b = ldl_raw(ptr+4); | |
93ac68bc FB |
217 | return (((uint64_t)a<<32)|b); |
218 | } | |
219 | ||
61382a50 | 220 | static inline void stw_raw(void *ptr, int v) |
93ac68bc FB |
221 | { |
222 | uint8_t *d = (uint8_t *) ptr; | |
223 | d[0] = v >> 8; | |
224 | d[1] = v; | |
225 | } | |
226 | ||
61382a50 | 227 | static inline void stl_raw(void *ptr, int v) |
93ac68bc FB |
228 | { |
229 | uint8_t *d = (uint8_t *) ptr; | |
230 | d[0] = v >> 24; | |
231 | d[1] = v >> 16; | |
232 | d[2] = v >> 8; | |
233 | d[3] = v; | |
234 | } | |
235 | ||
61382a50 | 236 | static inline void stq_raw(void *ptr, uint64_t v) |
93ac68bc | 237 | { |
9f05cc34 FB |
238 | stl_raw(ptr, v); |
239 | stl_raw(ptr+4, v >> 32); | |
93ac68bc FB |
240 | } |
241 | ||
5a9fdfec FB |
242 | #else |
243 | ||
61382a50 | 244 | static inline int lduw_raw(void *ptr) |
5a9fdfec FB |
245 | { |
246 | return *(uint16_t *)ptr; | |
247 | } | |
248 | ||
61382a50 | 249 | static inline int ldsw_raw(void *ptr) |
5a9fdfec FB |
250 | { |
251 | return *(int16_t *)ptr; | |
252 | } | |
253 | ||
61382a50 | 254 | static inline int ldl_raw(void *ptr) |
5a9fdfec FB |
255 | { |
256 | return *(uint32_t *)ptr; | |
257 | } | |
258 | ||
61382a50 | 259 | static inline uint64_t ldq_raw(void *ptr) |
5a9fdfec FB |
260 | { |
261 | return *(uint64_t *)ptr; | |
262 | } | |
263 | ||
61382a50 | 264 | static inline void stw_raw(void *ptr, int v) |
5a9fdfec FB |
265 | { |
266 | *(uint16_t *)ptr = v; | |
267 | } | |
268 | ||
61382a50 | 269 | static inline void stl_raw(void *ptr, int v) |
5a9fdfec FB |
270 | { |
271 | *(uint32_t *)ptr = v; | |
272 | } | |
273 | ||
61382a50 | 274 | static inline void stq_raw(void *ptr, uint64_t v) |
5a9fdfec FB |
275 | { |
276 | *(uint64_t *)ptr = v; | |
277 | } | |
278 | ||
279 | /* float access */ | |
280 | ||
61382a50 | 281 | static inline float ldfl_raw(void *ptr) |
5a9fdfec FB |
282 | { |
283 | return *(float *)ptr; | |
284 | } | |
285 | ||
61382a50 | 286 | static inline double ldfq_raw(void *ptr) |
5a9fdfec FB |
287 | { |
288 | return *(double *)ptr; | |
289 | } | |
290 | ||
61382a50 | 291 | static inline void stfl_raw(void *ptr, float v) |
5a9fdfec FB |
292 | { |
293 | *(float *)ptr = v; | |
294 | } | |
295 | ||
61382a50 | 296 | static inline void stfq_raw(void *ptr, double v) |
5a9fdfec FB |
297 | { |
298 | *(double *)ptr = v; | |
299 | } | |
300 | #endif | |
301 | ||
61382a50 FB |
302 | /* MMU memory access macros */ |
303 | ||
304 | #if defined(CONFIG_USER_ONLY) | |
305 | ||
306 | /* if user mode, no other memory access functions */ | |
307 | #define ldub(p) ldub_raw(p) | |
308 | #define ldsb(p) ldsb_raw(p) | |
309 | #define lduw(p) lduw_raw(p) | |
310 | #define ldsw(p) ldsw_raw(p) | |
311 | #define ldl(p) ldl_raw(p) | |
312 | #define ldq(p) ldq_raw(p) | |
313 | #define ldfl(p) ldfl_raw(p) | |
314 | #define ldfq(p) ldfq_raw(p) | |
315 | #define stb(p, v) stb_raw(p, v) | |
316 | #define stw(p, v) stw_raw(p, v) | |
317 | #define stl(p, v) stl_raw(p, v) | |
318 | #define stq(p, v) stq_raw(p, v) | |
319 | #define stfl(p, v) stfl_raw(p, v) | |
320 | #define stfq(p, v) stfq_raw(p, v) | |
321 | ||
322 | #define ldub_code(p) ldub_raw(p) | |
323 | #define ldsb_code(p) ldsb_raw(p) | |
324 | #define lduw_code(p) lduw_raw(p) | |
325 | #define ldsw_code(p) ldsw_raw(p) | |
326 | #define ldl_code(p) ldl_raw(p) | |
327 | ||
328 | #define ldub_kernel(p) ldub_raw(p) | |
329 | #define ldsb_kernel(p) ldsb_raw(p) | |
330 | #define lduw_kernel(p) lduw_raw(p) | |
331 | #define ldsw_kernel(p) ldsw_raw(p) | |
332 | #define ldl_kernel(p) ldl_raw(p) | |
333 | #define stb_kernel(p, v) stb_raw(p, v) | |
334 | #define stw_kernel(p, v) stw_raw(p, v) | |
335 | #define stl_kernel(p, v) stl_raw(p, v) | |
336 | #define stq_kernel(p, v) stq_raw(p, v) | |
337 | ||
338 | #endif /* defined(CONFIG_USER_ONLY) */ | |
339 | ||
5a9fdfec FB |
340 | /* page related stuff */ |
341 | ||
342 | #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS) | |
343 | #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) | |
344 | #define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) | |
345 | ||
346 | extern unsigned long real_host_page_size; | |
347 | extern unsigned long host_page_bits; | |
348 | extern unsigned long host_page_size; | |
349 | extern unsigned long host_page_mask; | |
350 | ||
351 | #define HOST_PAGE_ALIGN(addr) (((addr) + host_page_size - 1) & host_page_mask) | |
352 | ||
353 | /* same as PROT_xxx */ | |
354 | #define PAGE_READ 0x0001 | |
355 | #define PAGE_WRITE 0x0002 | |
356 | #define PAGE_EXEC 0x0004 | |
357 | #define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC) | |
358 | #define PAGE_VALID 0x0008 | |
359 | /* original state of the write flag (used when tracking self-modifying | |
360 | code */ | |
361 | #define PAGE_WRITE_ORG 0x0010 | |
362 | ||
363 | void page_dump(FILE *f); | |
364 | int page_get_flags(unsigned long address); | |
365 | void page_set_flags(unsigned long start, unsigned long end, int flags); | |
366 | void page_unprotect_range(uint8_t *data, unsigned long data_size); | |
367 | ||
368 | #define SINGLE_CPU_DEFINES | |
369 | #ifdef SINGLE_CPU_DEFINES | |
370 | ||
371 | #if defined(TARGET_I386) | |
372 | ||
373 | #define CPUState CPUX86State | |
374 | #define cpu_init cpu_x86_init | |
375 | #define cpu_exec cpu_x86_exec | |
376 | #define cpu_gen_code cpu_x86_gen_code | |
377 | #define cpu_interrupt cpu_x86_interrupt | |
378 | #define cpu_signal_handler cpu_x86_signal_handler | |
379 | ||
380 | #elif defined(TARGET_ARM) | |
381 | ||
382 | #define CPUState CPUARMState | |
383 | #define cpu_init cpu_arm_init | |
384 | #define cpu_exec cpu_arm_exec | |
385 | #define cpu_gen_code cpu_arm_gen_code | |
386 | #define cpu_interrupt cpu_arm_interrupt | |
387 | #define cpu_signal_handler cpu_arm_signal_handler | |
388 | ||
93ac68bc FB |
389 | #elif defined(TARGET_SPARC) |
390 | ||
391 | #define CPUState CPUSPARCState | |
392 | #define cpu_init cpu_sparc_init | |
393 | #define cpu_exec cpu_sparc_exec | |
394 | #define cpu_gen_code cpu_sparc_gen_code | |
395 | #define cpu_interrupt cpu_sparc_interrupt | |
396 | #define cpu_signal_handler cpu_sparc_signal_handler | |
397 | ||
67867308 FB |
398 | #elif defined(TARGET_PPC) |
399 | ||
400 | #define CPUState CPUPPCState | |
401 | #define cpu_init cpu_ppc_init | |
402 | #define cpu_exec cpu_ppc_exec | |
403 | #define cpu_gen_code cpu_ppc_gen_code | |
404 | #define cpu_interrupt cpu_ppc_interrupt | |
405 | #define cpu_signal_handler cpu_ppc_signal_handler | |
406 | ||
5a9fdfec FB |
407 | #else |
408 | ||
409 | #error unsupported target CPU | |
410 | ||
411 | #endif | |
412 | ||
972ddf78 FB |
413 | #endif /* SINGLE_CPU_DEFINES */ |
414 | ||
3b0dca51 FB |
415 | #define DEFAULT_GDBSTUB_PORT 1234 |
416 | ||
972ddf78 | 417 | void cpu_abort(CPUState *env, const char *fmt, ...); |
e2f22898 | 418 | extern CPUState *cpu_single_env; |
5a9fdfec | 419 | |
68a79315 FB |
420 | #define CPU_INTERRUPT_EXIT 0x01 /* wants exit from main loop */ |
421 | #define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */ | |
4690764b | 422 | void cpu_interrupt(CPUState *s, int mask); |
68a79315 | 423 | |
4c3a88a2 FB |
424 | int cpu_breakpoint_insert(CPUState *env, uint32_t pc); |
425 | int cpu_breakpoint_remove(CPUState *env, uint32_t pc); | |
c33a346e | 426 | void cpu_single_step(CPUState *env, int enabled); |
4c3a88a2 | 427 | |
34865134 FB |
428 | #define CPU_LOG_ALL 1 |
429 | void cpu_set_log(int log_flags); | |
430 | void cpu_set_log_filename(const char *filename); | |
431 | ||
33417e70 FB |
432 | /* memory API */ |
433 | ||
434 | typedef void CPUWriteMemoryFunc(uint32_t addr, uint32_t value); | |
435 | typedef uint32_t CPUReadMemoryFunc(uint32_t addr); | |
436 | ||
437 | void cpu_register_physical_memory(unsigned long start_addr, unsigned long size, | |
438 | long phys_offset); | |
439 | int cpu_register_io_memory(int io_index, | |
440 | CPUReadMemoryFunc **mem_read, | |
441 | CPUWriteMemoryFunc **mem_write); | |
442 | ||
3b0dca51 FB |
443 | /* gdb stub API */ |
444 | extern int gdbstub_fd; | |
445 | CPUState *cpu_gdbstub_get_env(void *opaque); | |
4c3a88a2 | 446 | int cpu_gdbstub(void *opaque, int (*main_loop)(void *opaque), int port); |
3b0dca51 | 447 | |
5a9fdfec | 448 | #endif /* CPU_ALL_H */ |