ia64/xen-unstable

view tools/ioemu/cpu-all.h @ 15841:c5f735271e22

[IA64] Foreign p2m: Fix vti domain builder.

It should set arch_domain::convmem_end.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Alex Williamson <alex.williamson@hp.com>
date Thu Sep 06 13:48:43 2007 -0600 (2007-09-06)
parents 8f510bf078c7
children 54bd38dab5ef
line source
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
23 #if defined(__arm__) || defined(__sparc__)
24 #define WORDS_ALIGNED
25 #endif
27 /* some important defines:
28 *
29 * WORDS_ALIGNED : if defined, the host cpu can only make word aligned
30 * memory accesses.
31 *
32 * WORDS_BIGENDIAN : if defined, the host cpu is big endian and
33 * otherwise little endian.
34 *
35 * (TARGET_WORDS_ALIGNED : same for target cpu (not supported yet))
36 *
37 * TARGET_WORDS_BIGENDIAN : same for target cpu
38 */
40 #include "bswap.h"
42 #if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
43 #define BSWAP_NEEDED
44 #endif
46 #ifdef BSWAP_NEEDED
48 static inline uint16_t tswap16(uint16_t s)
49 {
50 return bswap16(s);
51 }
53 static inline uint32_t tswap32(uint32_t s)
54 {
55 return bswap32(s);
56 }
58 static inline uint64_t tswap64(uint64_t s)
59 {
60 return bswap64(s);
61 }
63 static inline void tswap16s(uint16_t *s)
64 {
65 *s = bswap16(*s);
66 }
68 static inline void tswap32s(uint32_t *s)
69 {
70 *s = bswap32(*s);
71 }
73 static inline void tswap64s(uint64_t *s)
74 {
75 *s = bswap64(*s);
76 }
78 #else
80 static inline uint16_t tswap16(uint16_t s)
81 {
82 return s;
83 }
85 static inline uint32_t tswap32(uint32_t s)
86 {
87 return s;
88 }
90 static inline uint64_t tswap64(uint64_t s)
91 {
92 return s;
93 }
95 static inline void tswap16s(uint16_t *s)
96 {
97 }
99 static inline void tswap32s(uint32_t *s)
100 {
101 }
103 static inline void tswap64s(uint64_t *s)
104 {
105 }
107 #endif
109 #if TARGET_LONG_SIZE == 4
110 #define tswapl(s) tswap32(s)
111 #define tswapls(s) tswap32s((uint32_t *)(s))
112 #define bswaptls(s) bswap32s(s)
113 #else
114 #define tswapl(s) tswap64(s)
115 #define tswapls(s) tswap64s((uint64_t *)(s))
116 #define bswaptls(s) bswap64s(s)
117 #endif
119 /* NOTE: arm FPA is horrible as double 32 bit words are stored in big
120 endian ! */
121 typedef union {
122 float64 d;
123 #if defined(WORDS_BIGENDIAN) \
124 || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT))
125 struct {
126 uint32_t upper;
127 uint32_t lower;
128 } l;
129 #else
130 struct {
131 uint32_t lower;
132 uint32_t upper;
133 } l;
134 #endif
135 uint64_t ll;
136 } CPU_DoubleU;
138 /* CPU memory access without any memory or io remapping */
140 /*
141 * the generic syntax for the memory accesses is:
142 *
143 * load: ld{type}{sign}{size}{endian}_{access_type}(ptr)
144 *
145 * store: st{type}{size}{endian}_{access_type}(ptr, val)
146 *
147 * type is:
148 * (empty): integer access
149 * f : float access
150 *
151 * sign is:
152 * (empty): for floats or 32 bit size
153 * u : unsigned
154 * s : signed
155 *
156 * size is:
157 * b: 8 bits
158 * w: 16 bits
159 * l: 32 bits
160 * q: 64 bits
161 *
162 * endian is:
163 * (empty): target cpu endianness or 8 bit access
164 * r : reversed target cpu endianness (not implemented yet)
165 * be : big endian (not implemented yet)
166 * le : little endian (not implemented yet)
167 *
168 * access_type is:
169 * raw : host memory access
170 * user : user mode access using soft MMU
171 * kernel : kernel mode access using soft MMU
172 */
173 static inline int ldub_p(void *ptr)
174 {
175 return *(uint8_t *)ptr;
176 }
178 static inline int ldsb_p(void *ptr)
179 {
180 return *(int8_t *)ptr;
181 }
183 static inline void stb_p(void *ptr, int v)
184 {
185 *(uint8_t *)ptr = v;
186 }
188 /* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the
189 kernel handles unaligned load/stores may give better results, but
190 it is a system wide setting : bad */
191 #if defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
193 /* conservative code for little endian unaligned accesses */
194 static inline int lduw_le_p(void *ptr)
195 {
196 #ifdef __powerpc__
197 int val;
198 __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
199 return val;
200 #else
201 uint8_t *p = ptr;
202 return p[0] | (p[1] << 8);
203 #endif
204 }
206 static inline int ldsw_le_p(void *ptr)
207 {
208 #ifdef __powerpc__
209 int val;
210 __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
211 return (int16_t)val;
212 #else
213 uint8_t *p = ptr;
214 return (int16_t)(p[0] | (p[1] << 8));
215 #endif
216 }
218 static inline int ldl_le_p(void *ptr)
219 {
220 #ifdef __powerpc__
221 int val;
222 __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr));
223 return val;
224 #else
225 uint8_t *p = ptr;
226 return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
227 #endif
228 }
230 static inline uint64_t ldq_le_p(void *ptr)
231 {
232 uint8_t *p = ptr;
233 uint32_t v1, v2;
234 v1 = ldl_le_p(p);
235 v2 = ldl_le_p(p + 4);
236 return v1 | ((uint64_t)v2 << 32);
237 }
239 static inline void stw_le_p(void *ptr, int v)
240 {
241 #ifdef __powerpc__
242 __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr));
243 #else
244 uint8_t *p = ptr;
245 p[0] = v;
246 p[1] = v >> 8;
247 #endif
248 }
250 static inline void stl_le_p(void *ptr, int v)
251 {
252 #ifdef __powerpc__
253 __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr));
254 #else
255 uint8_t *p = ptr;
256 p[0] = v;
257 p[1] = v >> 8;
258 p[2] = v >> 16;
259 p[3] = v >> 24;
260 #endif
261 }
263 static inline void stq_le_p(void *ptr, uint64_t v)
264 {
265 uint8_t *p = ptr;
266 stl_le_p(p, (uint32_t)v);
267 stl_le_p(p + 4, v >> 32);
268 }
270 /* float access */
272 static inline float32 ldfl_le_p(void *ptr)
273 {
274 union {
275 float32 f;
276 uint32_t i;
277 } u;
278 u.i = ldl_le_p(ptr);
279 return u.f;
280 }
282 static inline void stfl_le_p(void *ptr, float32 v)
283 {
284 union {
285 float32 f;
286 uint32_t i;
287 } u;
288 u.f = v;
289 stl_le_p(ptr, u.i);
290 }
292 static inline float64 ldfq_le_p(void *ptr)
293 {
294 CPU_DoubleU u;
295 u.l.lower = ldl_le_p(ptr);
296 u.l.upper = ldl_le_p(ptr + 4);
297 return u.d;
298 }
300 static inline void stfq_le_p(void *ptr, float64 v)
301 {
302 CPU_DoubleU u;
303 u.d = v;
304 stl_le_p(ptr, u.l.lower);
305 stl_le_p(ptr + 4, u.l.upper);
306 }
308 #else
310 static inline int lduw_le_p(void *ptr)
311 {
312 return *(uint16_t *)ptr;
313 }
315 static inline int ldsw_le_p(void *ptr)
316 {
317 return *(int16_t *)ptr;
318 }
320 static inline int ldl_le_p(void *ptr)
321 {
322 return *(uint32_t *)ptr;
323 }
325 static inline uint64_t ldq_le_p(void *ptr)
326 {
327 return *(uint64_t *)ptr;
328 }
330 static inline void stw_le_p(void *ptr, int v)
331 {
332 *(uint16_t *)ptr = v;
333 }
335 static inline void stl_le_p(void *ptr, int v)
336 {
337 *(uint32_t *)ptr = v;
338 }
340 static inline void stq_le_p(void *ptr, uint64_t v)
341 {
342 *(uint64_t *)ptr = v;
343 }
345 /* float access */
347 static inline float32 ldfl_le_p(void *ptr)
348 {
349 return *(float32 *)ptr;
350 }
352 static inline float64 ldfq_le_p(void *ptr)
353 {
354 return *(float64 *)ptr;
355 }
357 static inline void stfl_le_p(void *ptr, float32 v)
358 {
359 *(float32 *)ptr = v;
360 }
362 static inline void stfq_le_p(void *ptr, float64 v)
363 {
364 *(float64 *)ptr = v;
365 }
366 #endif
368 #if !defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
370 static inline int lduw_be_p(void *ptr)
371 {
372 #if defined(__i386__)
373 int val;
374 asm volatile ("movzwl %1, %0\n"
375 "xchgb %b0, %h0\n"
376 : "=q" (val)
377 : "m" (*(uint16_t *)ptr));
378 return val;
379 #else
380 uint8_t *b = (uint8_t *) ptr;
381 return ((b[0] << 8) | b[1]);
382 #endif
383 }
385 static inline int ldsw_be_p(void *ptr)
386 {
387 #if defined(__i386__)
388 int val;
389 asm volatile ("movzwl %1, %0\n"
390 "xchgb %b0, %h0\n"
391 : "=q" (val)
392 : "m" (*(uint16_t *)ptr));
393 return (int16_t)val;
394 #else
395 uint8_t *b = (uint8_t *) ptr;
396 return (int16_t)((b[0] << 8) | b[1]);
397 #endif
398 }
400 static inline int ldl_be_p(void *ptr)
401 {
402 #if defined(__i386__) || defined(__x86_64__)
403 int val;
404 asm volatile ("movl %1, %0\n"
405 "bswap %0\n"
406 : "=r" (val)
407 : "m" (*(uint32_t *)ptr));
408 return val;
409 #else
410 uint8_t *b = (uint8_t *) ptr;
411 return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
412 #endif
413 }
415 static inline uint64_t ldq_be_p(void *ptr)
416 {
417 uint32_t a,b;
418 a = ldl_be_p(ptr);
419 b = ldl_be_p(ptr+4);
420 return (((uint64_t)a<<32)|b);
421 }
423 static inline void stw_be_p(void *ptr, int v)
424 {
425 #if defined(__i386__)
426 asm volatile ("xchgb %b0, %h0\n"
427 "movw %w0, %1\n"
428 : "=q" (v)
429 : "m" (*(uint16_t *)ptr), "0" (v));
430 #else
431 uint8_t *d = (uint8_t *) ptr;
432 d[0] = v >> 8;
433 d[1] = v;
434 #endif
435 }
437 static inline void stl_be_p(void *ptr, int v)
438 {
439 #if defined(__i386__) || defined(__x86_64__)
440 asm volatile ("bswap %0\n"
441 "movl %0, %1\n"
442 : "=r" (v)
443 : "m" (*(uint32_t *)ptr), "0" (v));
444 #else
445 uint8_t *d = (uint8_t *) ptr;
446 d[0] = v >> 24;
447 d[1] = v >> 16;
448 d[2] = v >> 8;
449 d[3] = v;
450 #endif
451 }
453 static inline void stq_be_p(void *ptr, uint64_t v)
454 {
455 stl_be_p(ptr, v >> 32);
456 stl_be_p(ptr + 4, v);
457 }
459 /* float access */
461 static inline float32 ldfl_be_p(void *ptr)
462 {
463 union {
464 float32 f;
465 uint32_t i;
466 } u;
467 u.i = ldl_be_p(ptr);
468 return u.f;
469 }
471 static inline void stfl_be_p(void *ptr, float32 v)
472 {
473 union {
474 float32 f;
475 uint32_t i;
476 } u;
477 u.f = v;
478 stl_be_p(ptr, u.i);
479 }
481 static inline float64 ldfq_be_p(void *ptr)
482 {
483 CPU_DoubleU u;
484 u.l.upper = ldl_be_p(ptr);
485 u.l.lower = ldl_be_p(ptr + 4);
486 return u.d;
487 }
489 static inline void stfq_be_p(void *ptr, float64 v)
490 {
491 CPU_DoubleU u;
492 u.d = v;
493 stl_be_p(ptr, u.l.upper);
494 stl_be_p(ptr + 4, u.l.lower);
495 }
497 #else
499 static inline int lduw_be_p(void *ptr)
500 {
501 return *(uint16_t *)ptr;
502 }
504 static inline int ldsw_be_p(void *ptr)
505 {
506 return *(int16_t *)ptr;
507 }
509 static inline int ldl_be_p(void *ptr)
510 {
511 return *(uint32_t *)ptr;
512 }
514 static inline uint64_t ldq_be_p(void *ptr)
515 {
516 return *(uint64_t *)ptr;
517 }
519 static inline void stw_be_p(void *ptr, int v)
520 {
521 *(uint16_t *)ptr = v;
522 }
524 static inline void stl_be_p(void *ptr, int v)
525 {
526 *(uint32_t *)ptr = v;
527 }
529 static inline void stq_be_p(void *ptr, uint64_t v)
530 {
531 *(uint64_t *)ptr = v;
532 }
534 /* float access */
536 static inline float32 ldfl_be_p(void *ptr)
537 {
538 return *(float32 *)ptr;
539 }
541 static inline float64 ldfq_be_p(void *ptr)
542 {
543 return *(float64 *)ptr;
544 }
546 static inline void stfl_be_p(void *ptr, float32 v)
547 {
548 *(float32 *)ptr = v;
549 }
551 static inline void stfq_be_p(void *ptr, float64 v)
552 {
553 *(float64 *)ptr = v;
554 }
556 #endif
558 /* target CPU memory access functions */
559 #if defined(TARGET_WORDS_BIGENDIAN)
560 #define lduw_p(p) lduw_be_p(p)
561 #define ldsw_p(p) ldsw_be_p(p)
562 #define ldl_p(p) ldl_be_p(p)
563 #define ldq_p(p) ldq_be_p(p)
564 #define ldfl_p(p) ldfl_be_p(p)
565 #define ldfq_p(p) ldfq_be_p(p)
566 #define stw_p(p, v) stw_be_p(p, v)
567 #define stl_p(p, v) stl_be_p(p, v)
568 #define stq_p(p, v) stq_be_p(p, v)
569 #define stfl_p(p, v) stfl_be_p(p, v)
570 #define stfq_p(p, v) stfq_be_p(p, v)
571 #else
572 #define lduw_p(p) lduw_le_p(p)
573 #define ldsw_p(p) ldsw_le_p(p)
574 #define ldl_p(p) ldl_le_p(p)
575 #define ldq_p(p) ldq_le_p(p)
576 #define ldfl_p(p) ldfl_le_p(p)
577 #define ldfq_p(p) ldfq_le_p(p)
578 #define stw_p(p, v) stw_le_p(p, v)
579 #define stl_p(p, v) stl_le_p(p, v)
580 #define stq_p(p, v) stq_le_p(p, v)
581 #define stfl_p(p, v) stfl_le_p(p, v)
582 #define stfq_p(p, v) stfq_le_p(p, v)
583 #endif
585 /* MMU memory access macros */
587 #if defined(CONFIG_USER_ONLY)
588 /* On some host systems the guest address space is reserved on the host.
589 * This allows the guest address space to be offset to a convenient location.
590 */
591 //#define GUEST_BASE 0x20000000
592 #define GUEST_BASE 0
594 /* All direct uses of g2h and h2g need to go away for usermode softmmu. */
595 #define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE))
596 #define h2g(x) ((target_ulong)(x - GUEST_BASE))
598 #define saddr(x) g2h(x)
599 #define laddr(x) g2h(x)
601 #else /* !CONFIG_USER_ONLY */
602 /* NOTE: we use double casts if pointers and target_ulong have
603 different sizes */
604 #define saddr(x) (uint8_t *)(long)(x)
605 #define laddr(x) (uint8_t *)(long)(x)
606 #endif
608 #define ldub_raw(p) ldub_p(laddr((p)))
609 #define ldsb_raw(p) ldsb_p(laddr((p)))
610 #define lduw_raw(p) lduw_p(laddr((p)))
611 #define ldsw_raw(p) ldsw_p(laddr((p)))
612 #define ldl_raw(p) ldl_p(laddr((p)))
613 #define ldq_raw(p) ldq_p(laddr((p)))
614 #define ldfl_raw(p) ldfl_p(laddr((p)))
615 #define ldfq_raw(p) ldfq_p(laddr((p)))
616 #define stb_raw(p, v) stb_p(saddr((p)), v)
617 #define stw_raw(p, v) stw_p(saddr((p)), v)
618 #define stl_raw(p, v) stl_p(saddr((p)), v)
619 #define stq_raw(p, v) stq_p(saddr((p)), v)
620 #define stfl_raw(p, v) stfl_p(saddr((p)), v)
621 #define stfq_raw(p, v) stfq_p(saddr((p)), v)
624 #if defined(CONFIG_USER_ONLY)
626 /* if user mode, no other memory access functions */
627 #define ldub(p) ldub_raw(p)
628 #define ldsb(p) ldsb_raw(p)
629 #define lduw(p) lduw_raw(p)
630 #define ldsw(p) ldsw_raw(p)
631 #define ldl(p) ldl_raw(p)
632 #define ldq(p) ldq_raw(p)
633 #define ldfl(p) ldfl_raw(p)
634 #define ldfq(p) ldfq_raw(p)
635 #define stb(p, v) stb_raw(p, v)
636 #define stw(p, v) stw_raw(p, v)
637 #define stl(p, v) stl_raw(p, v)
638 #define stq(p, v) stq_raw(p, v)
639 #define stfl(p, v) stfl_raw(p, v)
640 #define stfq(p, v) stfq_raw(p, v)
642 #define ldub_code(p) ldub_raw(p)
643 #define ldsb_code(p) ldsb_raw(p)
644 #define lduw_code(p) lduw_raw(p)
645 #define ldsw_code(p) ldsw_raw(p)
646 #define ldl_code(p) ldl_raw(p)
648 #define ldub_kernel(p) ldub_raw(p)
649 #define ldsb_kernel(p) ldsb_raw(p)
650 #define lduw_kernel(p) lduw_raw(p)
651 #define ldsw_kernel(p) ldsw_raw(p)
652 #define ldl_kernel(p) ldl_raw(p)
653 #define ldfl_kernel(p) ldfl_raw(p)
654 #define ldfq_kernel(p) ldfq_raw(p)
655 #define stb_kernel(p, v) stb_raw(p, v)
656 #define stw_kernel(p, v) stw_raw(p, v)
657 #define stl_kernel(p, v) stl_raw(p, v)
658 #define stq_kernel(p, v) stq_raw(p, v)
659 #define stfl_kernel(p, v) stfl_raw(p, v)
660 #define stfq_kernel(p, vt) stfq_raw(p, v)
662 #endif /* defined(CONFIG_USER_ONLY) */
664 /* page related stuff */
666 #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
667 #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
668 #define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
670 /* ??? These should be the larger of unsigned long and target_ulong. */
671 extern unsigned long qemu_real_host_page_size;
672 extern unsigned long qemu_host_page_bits;
673 extern unsigned long qemu_host_page_size;
674 extern unsigned long qemu_host_page_mask;
676 #define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
678 /* same as PROT_xxx */
679 #define PAGE_READ 0x0001
680 #define PAGE_WRITE 0x0002
681 #define PAGE_EXEC 0x0004
682 #define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC)
683 #define PAGE_VALID 0x0008
684 /* original state of the write flag (used when tracking self-modifying
685 code */
686 #define PAGE_WRITE_ORG 0x0010
688 void page_dump(FILE *f);
689 int page_get_flags(target_ulong address);
690 void page_set_flags(target_ulong start, target_ulong end, int flags);
691 void page_unprotect_range(target_ulong data, target_ulong data_size);
693 #ifdef CONFIG_DM
694 #define SINGLE_CPU_DEFINES
695 #endif
696 #ifdef SINGLE_CPU_DEFINES
698 #if defined(TARGET_I386)
700 #define CPUState CPUX86State
701 #define cpu_init cpu_x86_init
702 #define cpu_exec cpu_x86_exec
703 #define cpu_gen_code cpu_x86_gen_code
704 #define cpu_signal_handler cpu_x86_signal_handler
706 #elif defined(TARGET_ARM)
708 #define CPUState CPUARMState
709 #define cpu_init cpu_arm_init
710 #define cpu_exec cpu_arm_exec
711 #define cpu_gen_code cpu_arm_gen_code
712 #define cpu_signal_handler cpu_arm_signal_handler
714 #elif defined(TARGET_SPARC)
716 #define CPUState CPUSPARCState
717 #define cpu_init cpu_sparc_init
718 #define cpu_exec cpu_sparc_exec
719 #define cpu_gen_code cpu_sparc_gen_code
720 #define cpu_signal_handler cpu_sparc_signal_handler
722 #elif defined(TARGET_PPC)
724 #define CPUState CPUPPCState
725 #define cpu_init cpu_ppc_init
726 #define cpu_exec cpu_ppc_exec
727 #define cpu_gen_code cpu_ppc_gen_code
728 #define cpu_signal_handler cpu_ppc_signal_handler
730 #elif defined(TARGET_M68K)
731 #define CPUState CPUM68KState
732 #define cpu_init cpu_m68k_init
733 #define cpu_exec cpu_m68k_exec
734 #define cpu_gen_code cpu_m68k_gen_code
735 #define cpu_signal_handler cpu_m68k_signal_handler
737 #elif defined(TARGET_MIPS)
738 #define CPUState CPUMIPSState
739 #define cpu_init cpu_mips_init
740 #define cpu_exec cpu_mips_exec
741 #define cpu_gen_code cpu_mips_gen_code
742 #define cpu_signal_handler cpu_mips_signal_handler
744 #elif defined(TARGET_SH4)
745 #define CPUState CPUSH4State
746 #define cpu_init cpu_sh4_init
747 #define cpu_exec cpu_sh4_exec
748 #define cpu_gen_code cpu_sh4_gen_code
749 #define cpu_signal_handler cpu_sh4_signal_handler
751 #else
753 #error unsupported target CPU
755 #endif
757 #else /* SINGLE_CPU_DEFINES */
759 #define CPUState CPUX86State
760 #define cpu_init cpu_x86_init
761 int main_loop(void);
763 #endif /* SINGLE_CPU_DEFINES */
765 void cpu_dump_state(CPUState *env, FILE *f,
766 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
767 int flags);
769 void cpu_abort(CPUState *env, const char *fmt, ...);
770 extern CPUState *first_cpu;
771 extern CPUState *cpu_single_env;
772 extern int code_copy_enabled;
774 #define CPU_INTERRUPT_EXIT 0x01 /* wants exit from main loop */
775 #define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */
776 #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */
777 #define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */
778 #define CPU_INTERRUPT_FIQ 0x10 /* Fast interrupt pending. */
779 #define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */
780 #define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */
782 void cpu_interrupt(CPUState *s, int mask);
783 void cpu_reset_interrupt(CPUState *env, int mask);
785 int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
786 int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
787 void cpu_single_step(CPUState *env, int enabled);
788 void cpu_reset(CPUState *s);
790 /* Return the physical page corresponding to a virtual one. Use it
791 only for debugging because no protection checks are done. Return -1
792 if no page found. */
793 target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr);
795 #define CPU_LOG_TB_OUT_ASM (1 << 0)
796 #define CPU_LOG_TB_IN_ASM (1 << 1)
797 #define CPU_LOG_TB_OP (1 << 2)
798 #define CPU_LOG_TB_OP_OPT (1 << 3)
799 #define CPU_LOG_INT (1 << 4)
800 #define CPU_LOG_EXEC (1 << 5)
801 #define CPU_LOG_PCALL (1 << 6)
802 #define CPU_LOG_IOPORT (1 << 7)
803 #define CPU_LOG_TB_CPU (1 << 8)
805 /* define log items */
806 typedef struct CPULogItem {
807 int mask;
808 const char *name;
809 const char *help;
810 } CPULogItem;
812 extern CPULogItem cpu_log_items[];
814 void cpu_set_log(int log_flags);
815 void cpu_set_log_filename(const char *filename);
816 int cpu_str_to_log_mask(const char *str);
818 /* IO ports API */
820 /* NOTE: as these functions may be even used when there is an isa
821 brige on non x86 targets, we always defined them */
822 #ifndef NO_CPU_IO_DEFS
823 void cpu_outb(CPUState *env, int addr, int val);
824 void cpu_outw(CPUState *env, int addr, int val);
825 void cpu_outl(CPUState *env, int addr, int val);
826 int cpu_inb(CPUState *env, int addr);
827 int cpu_inw(CPUState *env, int addr);
828 int cpu_inl(CPUState *env, int addr);
829 #endif
831 /* memory API */
833 extern uint64_t phys_ram_size;
834 extern int phys_ram_fd;
835 extern uint8_t *phys_ram_base;
836 extern uint8_t *phys_ram_dirty;
838 /* physical memory access */
839 #define TLB_INVALID_MASK (1 << 3)
840 #define IO_MEM_SHIFT 4
841 #define IO_MEM_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT))
843 #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */
844 #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */
845 #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT)
846 #define IO_MEM_NOTDIRTY (4 << IO_MEM_SHIFT) /* used internally, never use directly */
847 /* acts like a ROM when read and like a device when written. As an
848 exception, the write memory callback gets the ram offset instead of
849 the physical address */
850 #define IO_MEM_ROMD (1)
852 typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
853 typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
855 void cpu_register_physical_memory(target_phys_addr_t start_addr,
856 unsigned long size,
857 unsigned long phys_offset);
858 uint32_t cpu_get_physical_page_desc(target_phys_addr_t addr);
859 int cpu_register_io_memory(int io_index,
860 CPUReadMemoryFunc **mem_read,
861 CPUWriteMemoryFunc **mem_write,
862 void *opaque);
863 CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index);
864 CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index);
866 void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
867 int len, int is_write);
868 static inline void cpu_physical_memory_read(target_phys_addr_t addr,
869 uint8_t *buf, int len)
870 {
871 cpu_physical_memory_rw(addr, buf, len, 0);
872 }
873 static inline void cpu_physical_memory_write(target_phys_addr_t addr,
874 const uint8_t *buf, int len)
875 {
876 cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
877 }
878 uint32_t ldub_phys(target_phys_addr_t addr);
879 uint32_t lduw_phys(target_phys_addr_t addr);
880 uint32_t ldl_phys(target_phys_addr_t addr);
881 uint64_t ldq_phys(target_phys_addr_t addr);
882 void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
883 void stb_phys(target_phys_addr_t addr, uint32_t val);
884 void stw_phys(target_phys_addr_t addr, uint32_t val);
885 void stl_phys(target_phys_addr_t addr, uint32_t val);
886 void stq_phys(target_phys_addr_t addr, uint64_t val);
888 void cpu_physical_memory_write_rom(target_phys_addr_t addr,
889 const uint8_t *buf, int len);
890 int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
891 uint8_t *buf, int len, int is_write);
893 #define VGA_DIRTY_FLAG 0x01
894 #define CODE_DIRTY_FLAG 0x02
896 /* read dirty bit (return 0 or 1) */
897 static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
898 {
899 return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
900 }
902 static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
903 int dirty_flags)
904 {
905 return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
906 }
908 static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
909 {
910 phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
911 }
913 void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
914 int dirty_flags);
915 void cpu_tlb_update_dirty(CPUState *env);
917 void dump_exec_info(FILE *f,
918 int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
920 /*******************************************/
921 /* host CPU ticks (if available) */
923 #if defined(__powerpc__)
925 static inline uint32_t get_tbl(void)
926 {
927 uint32_t tbl;
928 asm volatile("mftb %0" : "=r" (tbl));
929 return tbl;
930 }
932 static inline uint32_t get_tbu(void)
933 {
934 uint32_t tbl;
935 asm volatile("mftbu %0" : "=r" (tbl));
936 return tbl;
937 }
939 static inline int64_t cpu_get_real_ticks(void)
940 {
941 uint32_t l, h, h1;
942 /* NOTE: we test if wrapping has occurred */
943 do {
944 h = get_tbu();
945 l = get_tbl();
946 h1 = get_tbu();
947 } while (h != h1);
948 return ((int64_t)h << 32) | l;
949 }
951 #elif defined(__i386__)
953 static inline int64_t cpu_get_real_ticks(void)
954 {
955 int64_t val;
956 asm volatile ("rdtsc" : "=A" (val));
957 return val;
958 }
960 #elif defined(__x86_64__)
962 static inline int64_t cpu_get_real_ticks(void)
963 {
964 uint32_t low,high;
965 int64_t val;
966 asm volatile("rdtsc" : "=a" (low), "=d" (high));
967 val = high;
968 val <<= 32;
969 val |= low;
970 return val;
971 }
973 #elif defined(__ia64)
975 static inline int64_t cpu_get_real_ticks(void)
976 {
977 int64_t val;
978 asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
979 return val;
980 }
982 #elif defined(__s390__)
984 static inline int64_t cpu_get_real_ticks(void)
985 {
986 int64_t val;
987 asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
988 return val;
989 }
991 #elif defined(__sparc_v9__)
993 static inline int64_t cpu_get_real_ticks (void)
994 {
995 #if defined(_LP64)
996 uint64_t rval;
997 asm volatile("rd %%tick,%0" : "=r"(rval));
998 return rval;
999 #else
1000 union {
1001 uint64_t i64;
1002 struct {
1003 uint32_t high;
1004 uint32_t low;
1005 } i32;
1006 } rval;
1007 asm volatile("rd %%tick,%1; srlx %1,32,%0"
1008 : "=r"(rval.i32.high), "=r"(rval.i32.low));
1009 return rval.i64;
1010 #endif
1012 #else
1013 /* The host CPU doesn't have an easily accessible cycle counter.
1014 Just return a monotonically increasing vlue. This will be totally wrong,
1015 but hopefully better than nothing. */
1016 static inline int64_t cpu_get_real_ticks (void)
1018 static int64_t ticks = 0;
1019 return ticks++;
1021 #endif
1023 /* profiling */
1024 #ifdef CONFIG_PROFILER
1025 static inline int64_t profile_getclock(void)
1027 return cpu_get_real_ticks();
1030 extern int64_t kqemu_time, kqemu_time_start;
1031 extern int64_t qemu_time, qemu_time_start;
1032 extern int64_t tlb_flush_time;
1033 extern int64_t kqemu_exec_count;
1034 extern int64_t dev_time;
1035 extern int64_t kqemu_ret_int_count;
1036 extern int64_t kqemu_ret_excp_count;
1037 extern int64_t kqemu_ret_intr_count;
1039 #endif
1041 #endif /* CPU_ALL_H */