root / cpu-all.h @ 61382a50
History | View | Annotate | Download (9.7 kB)
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 |
|
23 |
/* CPU memory access without any memory or io remapping */
|
24 |
|
25 |
static inline int ldub_raw(void *ptr) |
26 |
{ |
27 |
return *(uint8_t *)ptr;
|
28 |
} |
29 |
|
30 |
static inline int ldsb_raw(void *ptr) |
31 |
{ |
32 |
return *(int8_t *)ptr;
|
33 |
} |
34 |
|
35 |
static inline void stb_raw(void *ptr, int v) |
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 */
|
46 |
static inline int lduw_raw(void *ptr) |
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 |
|
58 |
static inline int ldsw_raw(void *ptr) |
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 |
|
70 |
static inline int ldl_raw(void *ptr) |
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 |
|
82 |
static inline uint64_t ldq_raw(void *ptr) |
83 |
{ |
84 |
uint8_t *p = ptr; |
85 |
uint32_t v1, v2; |
86 |
v1 = ldl_raw(p); |
87 |
v2 = ldl_raw(p + 4);
|
88 |
return v1 | ((uint64_t)v2 << 32); |
89 |
} |
90 |
|
91 |
static inline void stw_raw(void *ptr, int v) |
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 |
|
102 |
static inline void stl_raw(void *ptr, int v) |
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 |
|
115 |
static inline void stq_raw(void *ptr, uint64_t v) |
116 |
{ |
117 |
uint8_t *p = ptr; |
118 |
stl_raw(p, (uint32_t)v); |
119 |
stl_raw(p + 4, v >> 32); |
120 |
} |
121 |
|
122 |
/* float access */
|
123 |
|
124 |
static inline float ldfl_raw(void *ptr) |
125 |
{ |
126 |
union {
|
127 |
float f;
|
128 |
uint32_t i; |
129 |
} u; |
130 |
u.i = ldl_raw(ptr); |
131 |
return u.f;
|
132 |
} |
133 |
|
134 |
static inline void stfl_raw(void *ptr, float v) |
135 |
{ |
136 |
union {
|
137 |
float f;
|
138 |
uint32_t i; |
139 |
} u; |
140 |
u.f = v; |
141 |
stl_raw(ptr, u.i); |
142 |
} |
143 |
|
144 |
|
145 |
#if defined(__arm__) && !defined(WORDS_BIGENDIAN)
|
146 |
|
147 |
/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
|
148 |
static inline double ldfq_raw(void *ptr) |
149 |
{ |
150 |
union {
|
151 |
double d;
|
152 |
uint32_t tab[2];
|
153 |
} u; |
154 |
u.tab[1] = ldl_raw(ptr);
|
155 |
u.tab[0] = ldl_raw(ptr + 4); |
156 |
return u.d;
|
157 |
} |
158 |
|
159 |
static inline void stfq_raw(void *ptr, double v) |
160 |
{ |
161 |
union {
|
162 |
double d;
|
163 |
uint32_t tab[2];
|
164 |
} u; |
165 |
u.d = v; |
166 |
stl_raw(ptr, u.tab[1]);
|
167 |
stl_raw(ptr + 4, u.tab[0]); |
168 |
} |
169 |
|
170 |
#else
|
171 |
static inline double ldfq_raw(void *ptr) |
172 |
{ |
173 |
union {
|
174 |
double d;
|
175 |
uint64_t i; |
176 |
} u; |
177 |
u.i = ldq_raw(ptr); |
178 |
return u.d;
|
179 |
} |
180 |
|
181 |
static inline void stfq_raw(void *ptr, double v) |
182 |
{ |
183 |
union {
|
184 |
double d;
|
185 |
uint64_t i; |
186 |
} u; |
187 |
u.d = v; |
188 |
stq_raw(ptr, u.i); |
189 |
} |
190 |
#endif
|
191 |
|
192 |
#elif defined(TARGET_WORDS_BIGENDIAN) && !defined(WORDS_BIGENDIAN)
|
193 |
|
194 |
static inline int lduw_raw(void *ptr) |
195 |
{ |
196 |
uint8_t *b = (uint8_t *) ptr; |
197 |
return (b[0]<<8|b[1]); |
198 |
} |
199 |
|
200 |
static inline int ldsw_raw(void *ptr) |
201 |
{ |
202 |
int8_t *b = (int8_t *) ptr; |
203 |
return (b[0]<<8|b[1]); |
204 |
} |
205 |
|
206 |
static inline int ldl_raw(void *ptr) |
207 |
{ |
208 |
uint8_t *b = (uint8_t *) ptr; |
209 |
return (b[0]<<24|b[1]<<16|b[2]<<8|b[3]); |
210 |
} |
211 |
|
212 |
static inline uint64_t ldq_raw(void *ptr) |
213 |
{ |
214 |
uint32_t a,b; |
215 |
a = ldl (ptr); |
216 |
b = ldl (ptr+4);
|
217 |
return (((uint64_t)a<<32)|b); |
218 |
} |
219 |
|
220 |
static inline void stw_raw(void *ptr, int v) |
221 |
{ |
222 |
uint8_t *d = (uint8_t *) ptr; |
223 |
d[0] = v >> 8; |
224 |
d[1] = v;
|
225 |
} |
226 |
|
227 |
static inline void stl_raw(void *ptr, int v) |
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 |
|
236 |
static inline void stq_raw(void *ptr, uint64_t v) |
237 |
{ |
238 |
stl (ptr, v); |
239 |
stl (ptr+4, v >> 32); |
240 |
} |
241 |
|
242 |
#else
|
243 |
|
244 |
static inline int lduw_raw(void *ptr) |
245 |
{ |
246 |
return *(uint16_t *)ptr;
|
247 |
} |
248 |
|
249 |
static inline int ldsw_raw(void *ptr) |
250 |
{ |
251 |
return *(int16_t *)ptr;
|
252 |
} |
253 |
|
254 |
static inline int ldl_raw(void *ptr) |
255 |
{ |
256 |
return *(uint32_t *)ptr;
|
257 |
} |
258 |
|
259 |
static inline uint64_t ldq_raw(void *ptr) |
260 |
{ |
261 |
return *(uint64_t *)ptr;
|
262 |
} |
263 |
|
264 |
static inline void stw_raw(void *ptr, int v) |
265 |
{ |
266 |
*(uint16_t *)ptr = v; |
267 |
} |
268 |
|
269 |
static inline void stl_raw(void *ptr, int v) |
270 |
{ |
271 |
*(uint32_t *)ptr = v; |
272 |
} |
273 |
|
274 |
static inline void stq_raw(void *ptr, uint64_t v) |
275 |
{ |
276 |
*(uint64_t *)ptr = v; |
277 |
} |
278 |
|
279 |
/* float access */
|
280 |
|
281 |
static inline float ldfl_raw(void *ptr) |
282 |
{ |
283 |
return *(float *)ptr; |
284 |
} |
285 |
|
286 |
static inline double ldfq_raw(void *ptr) |
287 |
{ |
288 |
return *(double *)ptr; |
289 |
} |
290 |
|
291 |
static inline void stfl_raw(void *ptr, float v) |
292 |
{ |
293 |
*(float *)ptr = v;
|
294 |
} |
295 |
|
296 |
static inline void stfq_raw(void *ptr, double v) |
297 |
{ |
298 |
*(double *)ptr = v;
|
299 |
} |
300 |
#endif
|
301 |
|
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 |
|
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 |
|
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 |
|
398 |
#else
|
399 |
|
400 |
#error unsupported target CPU
|
401 |
|
402 |
#endif
|
403 |
|
404 |
#endif /* SINGLE_CPU_DEFINES */ |
405 |
|
406 |
#define DEFAULT_GDBSTUB_PORT 1234 |
407 |
|
408 |
void cpu_abort(CPUState *env, const char *fmt, ...); |
409 |
extern CPUState *cpu_single_env;
|
410 |
|
411 |
#define CPU_INTERRUPT_EXIT 0x01 /* wants exit from main loop */ |
412 |
#define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */ |
413 |
void cpu_interrupt(CPUState *s, int mask); |
414 |
|
415 |
int cpu_breakpoint_insert(CPUState *env, uint32_t pc);
|
416 |
int cpu_breakpoint_remove(CPUState *env, uint32_t pc);
|
417 |
void cpu_single_step(CPUState *env, int enabled); |
418 |
|
419 |
#define CPU_LOG_ALL 1 |
420 |
void cpu_set_log(int log_flags); |
421 |
void cpu_set_log_filename(const char *filename); |
422 |
|
423 |
/* memory API */
|
424 |
|
425 |
typedef void CPUWriteMemoryFunc(uint32_t addr, uint32_t value); |
426 |
typedef uint32_t CPUReadMemoryFunc(uint32_t addr);
|
427 |
|
428 |
void cpu_register_physical_memory(unsigned long start_addr, unsigned long size, |
429 |
long phys_offset);
|
430 |
int cpu_register_io_memory(int io_index, |
431 |
CPUReadMemoryFunc **mem_read, |
432 |
CPUWriteMemoryFunc **mem_write); |
433 |
|
434 |
/* gdb stub API */
|
435 |
extern int gdbstub_fd; |
436 |
CPUState *cpu_gdbstub_get_env(void *opaque);
|
437 |
int cpu_gdbstub(void *opaque, int (*main_loop)(void *opaque), int port); |
438 |
|
439 |
#endif /* CPU_ALL_H */ |