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ad96090a BS |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include <stdint.h> | |
25 | #include <stdarg.h> | |
26 | #ifndef _WIN32 | |
1c47cb16 | 27 | #include <sys/types.h> |
ad96090a BS |
28 | #include <sys/mman.h> |
29 | #endif | |
30 | #include "config.h" | |
31 | #include "monitor.h" | |
32 | #include "sysemu.h" | |
33 | #include "arch_init.h" | |
34 | #include "audio/audio.h" | |
35 | #include "hw/pc.h" | |
36 | #include "hw/pci.h" | |
37 | #include "hw/audiodev.h" | |
38 | #include "kvm.h" | |
39 | #include "migration.h" | |
40 | #include "net.h" | |
41 | #include "gdbstub.h" | |
42 | #include "hw/smbios.h" | |
43 | ||
44 | #ifdef TARGET_SPARC | |
45 | int graphic_width = 1024; | |
46 | int graphic_height = 768; | |
47 | int graphic_depth = 8; | |
48 | #else | |
49 | int graphic_width = 800; | |
50 | int graphic_height = 600; | |
51 | int graphic_depth = 15; | |
52 | #endif | |
53 | ||
54 | const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; | |
55 | ||
56 | #if defined(TARGET_ALPHA) | |
57 | #define QEMU_ARCH QEMU_ARCH_ALPHA | |
58 | #elif defined(TARGET_ARM) | |
59 | #define QEMU_ARCH QEMU_ARCH_ARM | |
60 | #elif defined(TARGET_CRIS) | |
61 | #define QEMU_ARCH QEMU_ARCH_CRIS | |
62 | #elif defined(TARGET_I386) | |
63 | #define QEMU_ARCH QEMU_ARCH_I386 | |
64 | #elif defined(TARGET_M68K) | |
65 | #define QEMU_ARCH QEMU_ARCH_M68K | |
66 | #elif defined(TARGET_MICROBLAZE) | |
67 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE | |
68 | #elif defined(TARGET_MIPS) | |
69 | #define QEMU_ARCH QEMU_ARCH_MIPS | |
70 | #elif defined(TARGET_PPC) | |
71 | #define QEMU_ARCH QEMU_ARCH_PPC | |
72 | #elif defined(TARGET_S390X) | |
73 | #define QEMU_ARCH QEMU_ARCH_S390X | |
74 | #elif defined(TARGET_SH4) | |
75 | #define QEMU_ARCH QEMU_ARCH_SH4 | |
76 | #elif defined(TARGET_SPARC) | |
77 | #define QEMU_ARCH QEMU_ARCH_SPARC | |
78 | #endif | |
79 | ||
80 | const uint32_t arch_type = QEMU_ARCH; | |
81 | ||
82 | /***********************************************************/ | |
83 | /* ram save/restore */ | |
84 | ||
85 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ | |
86 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
87 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
88 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
89 | #define RAM_SAVE_FLAG_EOS 0x10 | |
90 | ||
91 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
92 | { | |
93 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; | |
94 | uint32_t *array = (uint32_t *)page; | |
95 | int i; | |
96 | ||
97 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { | |
98 | if (array[i] != val) { | |
99 | return 0; | |
100 | } | |
101 | } | |
102 | ||
103 | return 1; | |
104 | } | |
105 | ||
106 | static int ram_save_block(QEMUFile *f) | |
107 | { | |
e44359c3 AW |
108 | static RAMBlock *last_block = NULL; |
109 | static ram_addr_t last_offset = 0; | |
110 | RAMBlock *block = last_block; | |
111 | ram_addr_t offset = last_offset; | |
112 | ram_addr_t current_addr; | |
3fc250b4 | 113 | int bytes_sent = 0; |
ad96090a | 114 | |
e44359c3 AW |
115 | if (!block) |
116 | block = QLIST_FIRST(&ram_list.blocks); | |
117 | ||
118 | current_addr = block->offset + offset; | |
119 | ||
120 | do { | |
ad96090a BS |
121 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
122 | uint8_t *p; | |
123 | ||
124 | cpu_physical_memory_reset_dirty(current_addr, | |
125 | current_addr + TARGET_PAGE_SIZE, | |
126 | MIGRATION_DIRTY_FLAG); | |
127 | ||
97ab12d4 | 128 | p = block->host + offset; |
ad96090a BS |
129 | |
130 | if (is_dup_page(p, *p)) { | |
97ab12d4 AW |
131 | qemu_put_be64(f, offset | RAM_SAVE_FLAG_COMPRESS); |
132 | qemu_put_byte(f, strlen(block->idstr)); | |
133 | qemu_put_buffer(f, (uint8_t *)block->idstr, | |
134 | strlen(block->idstr)); | |
ad96090a | 135 | qemu_put_byte(f, *p); |
3fc250b4 | 136 | bytes_sent = 1; |
ad96090a | 137 | } else { |
97ab12d4 AW |
138 | qemu_put_be64(f, offset | RAM_SAVE_FLAG_PAGE); |
139 | qemu_put_byte(f, strlen(block->idstr)); | |
140 | qemu_put_buffer(f, (uint8_t *)block->idstr, | |
141 | strlen(block->idstr)); | |
ad96090a | 142 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
3fc250b4 | 143 | bytes_sent = TARGET_PAGE_SIZE; |
ad96090a BS |
144 | } |
145 | ||
ad96090a BS |
146 | break; |
147 | } | |
e44359c3 AW |
148 | |
149 | offset += TARGET_PAGE_SIZE; | |
150 | if (offset >= block->length) { | |
151 | offset = 0; | |
152 | block = QLIST_NEXT(block, next); | |
153 | if (!block) | |
154 | block = QLIST_FIRST(&ram_list.blocks); | |
155 | } | |
156 | ||
157 | current_addr = block->offset + offset; | |
158 | ||
159 | } while (current_addr != last_block->offset + last_offset); | |
160 | ||
161 | last_block = block; | |
162 | last_offset = offset; | |
ad96090a | 163 | |
3fc250b4 | 164 | return bytes_sent; |
ad96090a BS |
165 | } |
166 | ||
167 | static uint64_t bytes_transferred; | |
168 | ||
169 | static ram_addr_t ram_save_remaining(void) | |
170 | { | |
e44359c3 | 171 | RAMBlock *block; |
ad96090a BS |
172 | ram_addr_t count = 0; |
173 | ||
e44359c3 AW |
174 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
175 | ram_addr_t addr; | |
176 | for (addr = block->offset; addr < block->offset + block->length; | |
177 | addr += TARGET_PAGE_SIZE) { | |
178 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) { | |
179 | count++; | |
180 | } | |
ad96090a BS |
181 | } |
182 | } | |
183 | ||
184 | return count; | |
185 | } | |
186 | ||
187 | uint64_t ram_bytes_remaining(void) | |
188 | { | |
189 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
190 | } | |
191 | ||
192 | uint64_t ram_bytes_transferred(void) | |
193 | { | |
194 | return bytes_transferred; | |
195 | } | |
196 | ||
197 | uint64_t ram_bytes_total(void) | |
198 | { | |
d17b5288 AW |
199 | RAMBlock *block; |
200 | uint64_t total = 0; | |
201 | ||
202 | QLIST_FOREACH(block, &ram_list.blocks, next) | |
203 | total += block->length; | |
204 | ||
205 | return total; | |
ad96090a BS |
206 | } |
207 | ||
208 | int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) | |
209 | { | |
210 | ram_addr_t addr; | |
211 | uint64_t bytes_transferred_last; | |
212 | double bwidth = 0; | |
213 | uint64_t expected_time = 0; | |
214 | ||
215 | if (stage < 0) { | |
216 | cpu_physical_memory_set_dirty_tracking(0); | |
217 | return 0; | |
218 | } | |
219 | ||
220 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { | |
221 | qemu_file_set_error(f); | |
222 | return 0; | |
223 | } | |
224 | ||
225 | if (stage == 1) { | |
97ab12d4 | 226 | RAMBlock *block; |
ad96090a BS |
227 | bytes_transferred = 0; |
228 | ||
229 | /* Make sure all dirty bits are set */ | |
e44359c3 AW |
230 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
231 | for (addr = block->offset; addr < block->offset + block->length; | |
232 | addr += TARGET_PAGE_SIZE) { | |
233 | if (!cpu_physical_memory_get_dirty(addr, | |
234 | MIGRATION_DIRTY_FLAG)) { | |
235 | cpu_physical_memory_set_dirty(addr); | |
236 | } | |
ad96090a BS |
237 | } |
238 | } | |
239 | ||
240 | /* Enable dirty memory tracking */ | |
241 | cpu_physical_memory_set_dirty_tracking(1); | |
242 | ||
e44359c3 | 243 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
97ab12d4 AW |
244 | |
245 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
246 | qemu_put_byte(f, strlen(block->idstr)); | |
247 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); | |
248 | qemu_put_be64(f, block->length); | |
249 | } | |
ad96090a BS |
250 | } |
251 | ||
252 | bytes_transferred_last = bytes_transferred; | |
253 | bwidth = qemu_get_clock_ns(rt_clock); | |
254 | ||
255 | while (!qemu_file_rate_limit(f)) { | |
3fc250b4 | 256 | int bytes_sent; |
ad96090a | 257 | |
3fc250b4 PR |
258 | bytes_sent = ram_save_block(f); |
259 | bytes_transferred += bytes_sent; | |
260 | if (bytes_sent == 0) { /* no more blocks */ | |
ad96090a BS |
261 | break; |
262 | } | |
263 | } | |
264 | ||
265 | bwidth = qemu_get_clock_ns(rt_clock) - bwidth; | |
266 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
267 | ||
268 | /* if we haven't transferred anything this round, force expected_time to a | |
269 | * a very high value, but without crashing */ | |
270 | if (bwidth == 0) { | |
271 | bwidth = 0.000001; | |
272 | } | |
273 | ||
274 | /* try transferring iterative blocks of memory */ | |
275 | if (stage == 3) { | |
3fc250b4 PR |
276 | int bytes_sent; |
277 | ||
ad96090a | 278 | /* flush all remaining blocks regardless of rate limiting */ |
3fc250b4 PR |
279 | while ((bytes_sent = ram_save_block(f)) != 0) { |
280 | bytes_transferred += bytes_sent; | |
ad96090a BS |
281 | } |
282 | cpu_physical_memory_set_dirty_tracking(0); | |
283 | } | |
284 | ||
285 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
286 | ||
287 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; | |
288 | ||
289 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
290 | } | |
291 | ||
292 | int ram_load(QEMUFile *f, void *opaque, int version_id) | |
293 | { | |
294 | ram_addr_t addr; | |
295 | int flags; | |
296 | ||
97ab12d4 | 297 | if (version_id < 3 || version_id > 4) { |
ad96090a BS |
298 | return -EINVAL; |
299 | } | |
300 | ||
301 | do { | |
302 | addr = qemu_get_be64(f); | |
303 | ||
304 | flags = addr & ~TARGET_PAGE_MASK; | |
305 | addr &= TARGET_PAGE_MASK; | |
306 | ||
307 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
97ab12d4 AW |
308 | if (version_id == 3) { |
309 | if (addr != ram_bytes_total()) { | |
310 | return -EINVAL; | |
311 | } | |
312 | } else { | |
313 | /* Synchronize RAM block list */ | |
314 | char id[256]; | |
315 | ram_addr_t length; | |
316 | ram_addr_t total_ram_bytes = addr; | |
317 | ||
318 | while (total_ram_bytes) { | |
319 | RAMBlock *block; | |
320 | uint8_t len; | |
321 | ||
322 | len = qemu_get_byte(f); | |
323 | qemu_get_buffer(f, (uint8_t *)id, len); | |
324 | id[len] = 0; | |
325 | length = qemu_get_be64(f); | |
326 | ||
327 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
328 | if (!strncmp(id, block->idstr, sizeof(id))) { | |
329 | if (block->length != length) | |
330 | return -EINVAL; | |
331 | break; | |
332 | } | |
333 | } | |
334 | ||
335 | if (!block) { | |
336 | if (!qemu_ram_alloc(NULL, id, length)) | |
337 | return -ENOMEM; | |
338 | } | |
339 | ||
340 | total_ram_bytes -= length; | |
341 | } | |
ad96090a BS |
342 | } |
343 | } | |
344 | ||
345 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
97ab12d4 AW |
346 | void *host; |
347 | uint8_t ch; | |
348 | ||
349 | if (version_id == 3) { | |
350 | host = qemu_get_ram_ptr(addr); | |
351 | } else { | |
352 | RAMBlock *block; | |
353 | char id[256]; | |
354 | uint8_t len; | |
355 | ||
356 | len = qemu_get_byte(f); | |
357 | qemu_get_buffer(f, (uint8_t *)id, len); | |
358 | id[len] = 0; | |
359 | ||
360 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
361 | if (!strncmp(id, block->idstr, sizeof(id))) | |
362 | break; | |
363 | } | |
364 | if (!block) | |
365 | return -EINVAL; | |
366 | ||
367 | host = block->host + addr; | |
368 | } | |
369 | ch = qemu_get_byte(f); | |
370 | memset(host, ch, TARGET_PAGE_SIZE); | |
ad96090a BS |
371 | #ifndef _WIN32 |
372 | if (ch == 0 && | |
373 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
97ab12d4 | 374 | madvise(host, TARGET_PAGE_SIZE, MADV_DONTNEED); |
ad96090a BS |
375 | } |
376 | #endif | |
377 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
97ab12d4 AW |
378 | void *host; |
379 | ||
380 | if (version_id == 3) { | |
381 | host = qemu_get_ram_ptr(addr); | |
382 | } else { | |
383 | RAMBlock *block; | |
384 | char id[256]; | |
385 | uint8_t len; | |
386 | ||
387 | len = qemu_get_byte(f); | |
388 | qemu_get_buffer(f, (uint8_t *)id, len); | |
389 | id[len] = 0; | |
390 | ||
391 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
392 | if (!strncmp(id, block->idstr, sizeof(id))) | |
393 | break; | |
394 | } | |
395 | if (!block) | |
396 | return -EINVAL; | |
397 | ||
398 | host = block->host + addr; | |
399 | } | |
400 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); | |
ad96090a BS |
401 | } |
402 | if (qemu_file_has_error(f)) { | |
403 | return -EIO; | |
404 | } | |
405 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | void qemu_service_io(void) | |
411 | { | |
412 | qemu_notify_event(); | |
413 | } | |
414 | ||
415 | #ifdef HAS_AUDIO | |
416 | struct soundhw soundhw[] = { | |
417 | #ifdef HAS_AUDIO_CHOICE | |
418 | #if defined(TARGET_I386) || defined(TARGET_MIPS) | |
419 | { | |
420 | "pcspk", | |
421 | "PC speaker", | |
422 | 0, | |
423 | 1, | |
424 | { .init_isa = pcspk_audio_init } | |
425 | }, | |
426 | #endif | |
427 | ||
428 | #ifdef CONFIG_SB16 | |
429 | { | |
430 | "sb16", | |
431 | "Creative Sound Blaster 16", | |
432 | 0, | |
433 | 1, | |
434 | { .init_isa = SB16_init } | |
435 | }, | |
436 | #endif | |
437 | ||
438 | #ifdef CONFIG_CS4231A | |
439 | { | |
440 | "cs4231a", | |
441 | "CS4231A", | |
442 | 0, | |
443 | 1, | |
444 | { .init_isa = cs4231a_init } | |
445 | }, | |
446 | #endif | |
447 | ||
448 | #ifdef CONFIG_ADLIB | |
449 | { | |
450 | "adlib", | |
451 | #ifdef HAS_YMF262 | |
452 | "Yamaha YMF262 (OPL3)", | |
453 | #else | |
454 | "Yamaha YM3812 (OPL2)", | |
455 | #endif | |
456 | 0, | |
457 | 1, | |
458 | { .init_isa = Adlib_init } | |
459 | }, | |
460 | #endif | |
461 | ||
462 | #ifdef CONFIG_GUS | |
463 | { | |
464 | "gus", | |
465 | "Gravis Ultrasound GF1", | |
466 | 0, | |
467 | 1, | |
468 | { .init_isa = GUS_init } | |
469 | }, | |
470 | #endif | |
471 | ||
472 | #ifdef CONFIG_AC97 | |
473 | { | |
474 | "ac97", | |
475 | "Intel 82801AA AC97 Audio", | |
476 | 0, | |
477 | 0, | |
478 | { .init_pci = ac97_init } | |
479 | }, | |
480 | #endif | |
481 | ||
482 | #ifdef CONFIG_ES1370 | |
483 | { | |
484 | "es1370", | |
485 | "ENSONIQ AudioPCI ES1370", | |
486 | 0, | |
487 | 0, | |
488 | { .init_pci = es1370_init } | |
489 | }, | |
490 | #endif | |
491 | ||
492 | #endif /* HAS_AUDIO_CHOICE */ | |
493 | ||
494 | { NULL, NULL, 0, 0, { NULL } } | |
495 | }; | |
496 | ||
497 | void select_soundhw(const char *optarg) | |
498 | { | |
499 | struct soundhw *c; | |
500 | ||
501 | if (*optarg == '?') { | |
502 | show_valid_cards: | |
503 | ||
504 | printf("Valid sound card names (comma separated):\n"); | |
505 | for (c = soundhw; c->name; ++c) { | |
506 | printf ("%-11s %s\n", c->name, c->descr); | |
507 | } | |
508 | printf("\n-soundhw all will enable all of the above\n"); | |
509 | exit(*optarg != '?'); | |
510 | } | |
511 | else { | |
512 | size_t l; | |
513 | const char *p; | |
514 | char *e; | |
515 | int bad_card = 0; | |
516 | ||
517 | if (!strcmp(optarg, "all")) { | |
518 | for (c = soundhw; c->name; ++c) { | |
519 | c->enabled = 1; | |
520 | } | |
521 | return; | |
522 | } | |
523 | ||
524 | p = optarg; | |
525 | while (*p) { | |
526 | e = strchr(p, ','); | |
527 | l = !e ? strlen(p) : (size_t) (e - p); | |
528 | ||
529 | for (c = soundhw; c->name; ++c) { | |
530 | if (!strncmp(c->name, p, l) && !c->name[l]) { | |
531 | c->enabled = 1; | |
532 | break; | |
533 | } | |
534 | } | |
535 | ||
536 | if (!c->name) { | |
537 | if (l > 80) { | |
538 | fprintf(stderr, | |
539 | "Unknown sound card name (too big to show)\n"); | |
540 | } | |
541 | else { | |
542 | fprintf(stderr, "Unknown sound card name `%.*s'\n", | |
543 | (int) l, p); | |
544 | } | |
545 | bad_card = 1; | |
546 | } | |
547 | p += l + (e != NULL); | |
548 | } | |
549 | ||
550 | if (bad_card) { | |
551 | goto show_valid_cards; | |
552 | } | |
553 | } | |
554 | } | |
555 | #else | |
556 | void select_soundhw(const char *optarg) | |
557 | { | |
558 | } | |
559 | #endif | |
560 | ||
561 | int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
562 | { | |
563 | int ret; | |
564 | ||
565 | if (strlen(str) != 36) { | |
566 | return -1; | |
567 | } | |
568 | ||
569 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
570 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
571 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], | |
572 | &uuid[15]); | |
573 | ||
574 | if (ret != 16) { | |
575 | return -1; | |
576 | } | |
577 | #ifdef TARGET_I386 | |
578 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
579 | #endif | |
580 | return 0; | |
581 | } | |
582 | ||
583 | void do_acpitable_option(const char *optarg) | |
584 | { | |
585 | #ifdef TARGET_I386 | |
586 | if (acpi_table_add(optarg) < 0) { | |
587 | fprintf(stderr, "Wrong acpi table provided\n"); | |
588 | exit(1); | |
589 | } | |
590 | #endif | |
591 | } | |
592 | ||
593 | void do_smbios_option(const char *optarg) | |
594 | { | |
595 | #ifdef TARGET_I386 | |
596 | if (smbios_entry_add(optarg) < 0) { | |
597 | fprintf(stderr, "Wrong smbios provided\n"); | |
598 | exit(1); | |
599 | } | |
600 | #endif | |
601 | } | |
602 | ||
603 | void cpudef_init(void) | |
604 | { | |
605 | #if defined(cpudef_setup) | |
606 | cpudef_setup(); /* parse cpu definitions in target config file */ | |
607 | #endif | |
608 | } | |
609 | ||
610 | int audio_available(void) | |
611 | { | |
612 | #ifdef HAS_AUDIO | |
613 | return 1; | |
614 | #else | |
615 | return 0; | |
616 | #endif | |
617 | } | |
618 | ||
619 | int kvm_available(void) | |
620 | { | |
621 | #ifdef CONFIG_KVM | |
622 | return 1; | |
623 | #else | |
624 | return 0; | |
625 | #endif | |
626 | } | |
627 | ||
628 | int xen_available(void) | |
629 | { | |
630 | #ifdef CONFIG_XEN | |
631 | return 1; | |
632 | #else | |
633 | return 0; | |
634 | #endif | |
635 | } |