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 #include <stdlib.h> 27 #ifndef _WIN32 28 #include <sys/types.h> 29 #include <sys/mman.h> 30 #endif 31 #include "config.h" 32 #include "monitor.h" 33 #include "sysemu.h" 34 #include "arch_init.h" 35 #include "audio/audio.h" 36 #include "hw/pc.h" 37 #include "hw/pci.h" 38 #include "hw/audiodev.h" 39 #include "kvm.h" 40 #include "migration.h" 41 #include "net.h" 42 #include "gdbstub.h" 43 #include "hw/smbios.h" 44 #include "exec-memory.h" 45 #include "hw/pcspk.h" 46 47 #ifdef DEBUG_ARCH_INIT 48 #define DPRINTF(fmt, ...) \ 49 do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0) 50 #else 51 #define DPRINTF(fmt, ...) \ 52 do { } while (0) 53 #endif 54 55 #ifdef TARGET_SPARC 56 int graphic_width = 1024; 57 int graphic_height = 768; 58 int graphic_depth = 8; 59 #else 60 int graphic_width = 800; 61 int graphic_height = 600; 62 int graphic_depth = 15; 63 #endif 64 65 66 #if defined(TARGET_ALPHA) 67 #define QEMU_ARCH QEMU_ARCH_ALPHA 68 #elif defined(TARGET_ARM) 69 #define QEMU_ARCH QEMU_ARCH_ARM 70 #elif defined(TARGET_CRIS) 71 #define QEMU_ARCH QEMU_ARCH_CRIS 72 #elif defined(TARGET_I386) 73 #define QEMU_ARCH QEMU_ARCH_I386 74 #elif defined(TARGET_M68K) 75 #define QEMU_ARCH QEMU_ARCH_M68K 76 #elif defined(TARGET_LM32) 77 #define QEMU_ARCH QEMU_ARCH_LM32 78 #elif defined(TARGET_MICROBLAZE) 79 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE 80 #elif defined(TARGET_MIPS) 81 #define QEMU_ARCH QEMU_ARCH_MIPS 82 #elif defined(TARGET_OPENRISC) 83 #define QEMU_ARCH QEMU_ARCH_OPENRISC 84 #elif defined(TARGET_PPC) 85 #define QEMU_ARCH QEMU_ARCH_PPC 86 #elif defined(TARGET_S390X) 87 #define QEMU_ARCH QEMU_ARCH_S390X 88 #elif defined(TARGET_SH4) 89 #define QEMU_ARCH QEMU_ARCH_SH4 90 #elif defined(TARGET_SPARC) 91 #define QEMU_ARCH QEMU_ARCH_SPARC 92 #elif defined(TARGET_XTENSA) 93 #define QEMU_ARCH QEMU_ARCH_XTENSA 94 #endif 95 96 const uint32_t arch_type = QEMU_ARCH; 97 98 /***********************************************************/ 99 /* ram save/restore */ 100 101 #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ 102 #define RAM_SAVE_FLAG_COMPRESS 0x02 103 #define RAM_SAVE_FLAG_MEM_SIZE 0x04 104 #define RAM_SAVE_FLAG_PAGE 0x08 105 #define RAM_SAVE_FLAG_EOS 0x10 106 #define RAM_SAVE_FLAG_CONTINUE 0x20 107 108 #ifdef __ALTIVEC__ 109 #include <altivec.h> 110 #define VECTYPE vector unsigned char 111 #define SPLAT(p) vec_splat(vec_ld(0, p), 0) 112 #define ALL_EQ(v1, v2) vec_all_eq(v1, v2) 113 /* altivec.h may redefine the bool macro as vector type. 114 * Reset it to POSIX semantics. */ 115 #undef bool 116 #define bool _Bool 117 #elif defined __SSE2__ 118 #include <emmintrin.h> 119 #define VECTYPE __m128i 120 #define SPLAT(p) _mm_set1_epi8(*(p)) 121 #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) 122 #else 123 #define VECTYPE unsigned long 124 #define SPLAT(p) (*(p) * (~0UL / 255)) 125 #define ALL_EQ(v1, v2) ((v1) == (v2)) 126 #endif 127 128 129 static struct defconfig_file { 130 const char *filename; 131 /* Indicates it is an user config file (disabled by -no-user-config) */ 132 bool userconfig; 133 } default_config_files[] = { 134 { CONFIG_QEMU_DATADIR "/cpus-" TARGET_ARCH ".conf", false }, 135 { CONFIG_QEMU_CONFDIR "/qemu.conf", true }, 136 { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true }, 137 { NULL }, /* end of list */ 138 }; 139 140 141 int qemu_read_default_config_files(bool userconfig) 142 { 143 int ret; 144 struct defconfig_file *f; 145 146 for (f = default_config_files; f->filename; f++) { 147 if (!userconfig && f->userconfig) { 148 continue; 149 } 150 ret = qemu_read_config_file(f->filename); 151 if (ret < 0 && ret != -ENOENT) { 152 return ret; 153 } 154 } 155 156 return 0; 157 } 158 159 static int is_dup_page(uint8_t *page) 160 { 161 VECTYPE *p = (VECTYPE *)page; 162 VECTYPE val = SPLAT(page); 163 int i; 164 165 for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { 166 if (!ALL_EQ(val, p[i])) { 167 return 0; 168 } 169 } 170 171 return 1; 172 } 173 174 static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, 175 int cont, int flag) 176 { 177 qemu_put_be64(f, offset | cont | flag); 178 if (!cont) { 179 qemu_put_byte(f, strlen(block->idstr)); 180 qemu_put_buffer(f, (uint8_t *)block->idstr, 181 strlen(block->idstr)); 182 } 183 184 } 185 186 static RAMBlock *last_block; 187 static ram_addr_t last_offset; 188 189 /* 190 * ram_save_block: Writes a page of memory to the stream f 191 * 192 * Returns: 0: if the page hasn't changed 193 * -1: if there are no more dirty pages 194 * n: the amount of bytes written in other case 195 */ 196 197 static int ram_save_block(QEMUFile *f) 198 { 199 RAMBlock *block = last_block; 200 ram_addr_t offset = last_offset; 201 int bytes_sent = -1; 202 MemoryRegion *mr; 203 204 if (!block) 205 block = QLIST_FIRST(&ram_list.blocks); 206 207 do { 208 mr = block->mr; 209 if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE, 210 DIRTY_MEMORY_MIGRATION)) { 211 uint8_t *p; 212 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0; 213 214 memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE, 215 DIRTY_MEMORY_MIGRATION); 216 217 p = memory_region_get_ram_ptr(mr) + offset; 218 219 if (is_dup_page(p)) { 220 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS); 221 qemu_put_byte(f, *p); 222 bytes_sent = 1; 223 } else { 224 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); 225 qemu_put_buffer(f, p, TARGET_PAGE_SIZE); 226 bytes_sent = TARGET_PAGE_SIZE; 227 } 228 229 break; 230 } 231 232 offset += TARGET_PAGE_SIZE; 233 if (offset >= block->length) { 234 offset = 0; 235 block = QLIST_NEXT(block, next); 236 if (!block) 237 block = QLIST_FIRST(&ram_list.blocks); 238 } 239 } while (block != last_block || offset != last_offset); 240 241 last_block = block; 242 last_offset = offset; 243 244 return bytes_sent; 245 } 246 247 static uint64_t bytes_transferred; 248 249 static ram_addr_t ram_save_remaining(void) 250 { 251 return ram_list.dirty_pages; 252 } 253 254 uint64_t ram_bytes_remaining(void) 255 { 256 return ram_save_remaining() * TARGET_PAGE_SIZE; 257 } 258 259 uint64_t ram_bytes_transferred(void) 260 { 261 return bytes_transferred; 262 } 263 264 uint64_t ram_bytes_total(void) 265 { 266 RAMBlock *block; 267 uint64_t total = 0; 268 269 QLIST_FOREACH(block, &ram_list.blocks, next) 270 total += block->length; 271 272 return total; 273 } 274 275 static int block_compar(const void *a, const void *b) 276 { 277 RAMBlock * const *ablock = a; 278 RAMBlock * const *bblock = b; 279 280 return strcmp((*ablock)->idstr, (*bblock)->idstr); 281 } 282 283 static void sort_ram_list(void) 284 { 285 RAMBlock *block, *nblock, **blocks; 286 int n; 287 n = 0; 288 QLIST_FOREACH(block, &ram_list.blocks, next) { 289 ++n; 290 } 291 blocks = g_malloc(n * sizeof *blocks); 292 n = 0; 293 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) { 294 blocks[n++] = block; 295 QLIST_REMOVE(block, next); 296 } 297 qsort(blocks, n, sizeof *blocks, block_compar); 298 while (--n >= 0) { 299 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next); 300 } 301 g_free(blocks); 302 } 303 304 static void migration_end(void) 305 { 306 memory_global_dirty_log_stop(); 307 } 308 309 static void ram_migration_cancel(void *opaque) 310 { 311 migration_end(); 312 } 313 314 #define MAX_WAIT 50 /* ms, half buffered_file limit */ 315 316 static int ram_save_setup(QEMUFile *f, void *opaque) 317 { 318 ram_addr_t addr; 319 RAMBlock *block; 320 321 bytes_transferred = 0; 322 last_block = NULL; 323 last_offset = 0; 324 sort_ram_list(); 325 326 /* Make sure all dirty bits are set */ 327 QLIST_FOREACH(block, &ram_list.blocks, next) { 328 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { 329 if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE, 330 DIRTY_MEMORY_MIGRATION)) { 331 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE); 332 } 333 } 334 } 335 336 memory_global_dirty_log_start(); 337 338 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); 339 340 QLIST_FOREACH(block, &ram_list.blocks, next) { 341 qemu_put_byte(f, strlen(block->idstr)); 342 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); 343 qemu_put_be64(f, block->length); 344 } 345 346 qemu_put_be64(f, RAM_SAVE_FLAG_EOS); 347 348 return 0; 349 } 350 351 static int ram_save_iterate(QEMUFile *f, void *opaque) 352 { 353 uint64_t bytes_transferred_last; 354 double bwidth = 0; 355 int ret; 356 int i; 357 uint64_t expected_time; 358 359 bytes_transferred_last = bytes_transferred; 360 bwidth = qemu_get_clock_ns(rt_clock); 361 362 i = 0; 363 while ((ret = qemu_file_rate_limit(f)) == 0) { 364 int bytes_sent; 365 366 bytes_sent = ram_save_block(f); 367 /* no more blocks to sent */ 368 if (bytes_sent < 0) { 369 break; 370 } 371 bytes_transferred += bytes_sent; 372 /* we want to check in the 1st loop, just in case it was the 1st time 373 and we had to sync the dirty bitmap. 374 qemu_get_clock_ns() is a bit expensive, so we only check each some 375 iterations 376 */ 377 if ((i & 63) == 0) { 378 uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000; 379 if (t1 > MAX_WAIT) { 380 DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n", 381 t1, i); 382 break; 383 } 384 } 385 i++; 386 } 387 388 if (ret < 0) { 389 return ret; 390 } 391 392 bwidth = qemu_get_clock_ns(rt_clock) - bwidth; 393 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; 394 395 /* if we haven't transferred anything this round, force expected_time to a 396 * a very high value, but without crashing */ 397 if (bwidth == 0) { 398 bwidth = 0.000001; 399 } 400 401 qemu_put_be64(f, RAM_SAVE_FLAG_EOS); 402 403 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; 404 405 DPRINTF("ram_save_live: expected(" PRIu64 ") <= max(" PRIu64 ")?\n", 406 expected_time, migrate_max_downtime()); 407 408 if (expected_time <= migrate_max_downtime()) { 409 memory_global_sync_dirty_bitmap(get_system_memory()); 410 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; 411 412 return expected_time <= migrate_max_downtime(); 413 } 414 return 0; 415 } 416 417 static int ram_save_complete(QEMUFile *f, void *opaque) 418 { 419 memory_global_sync_dirty_bitmap(get_system_memory()); 420 421 /* try transferring iterative blocks of memory */ 422 423 /* flush all remaining blocks regardless of rate limiting */ 424 while (true) { 425 int bytes_sent; 426 427 bytes_sent = ram_save_block(f); 428 /* no more blocks to sent */ 429 if (bytes_sent < 0) { 430 break; 431 } 432 bytes_transferred += bytes_sent; 433 } 434 memory_global_dirty_log_stop(); 435 436 qemu_put_be64(f, RAM_SAVE_FLAG_EOS); 437 438 return 0; 439 } 440 441 static inline void *host_from_stream_offset(QEMUFile *f, 442 ram_addr_t offset, 443 int flags) 444 { 445 static RAMBlock *block = NULL; 446 char id[256]; 447 uint8_t len; 448 449 if (flags & RAM_SAVE_FLAG_CONTINUE) { 450 if (!block) { 451 fprintf(stderr, "Ack, bad migration stream!\n"); 452 return NULL; 453 } 454 455 return memory_region_get_ram_ptr(block->mr) + offset; 456 } 457 458 len = qemu_get_byte(f); 459 qemu_get_buffer(f, (uint8_t *)id, len); 460 id[len] = 0; 461 462 QLIST_FOREACH(block, &ram_list.blocks, next) { 463 if (!strncmp(id, block->idstr, sizeof(id))) 464 return memory_region_get_ram_ptr(block->mr) + offset; 465 } 466 467 fprintf(stderr, "Can't find block %s!\n", id); 468 return NULL; 469 } 470 471 static int ram_load(QEMUFile *f, void *opaque, int version_id) 472 { 473 ram_addr_t addr; 474 int flags, ret = 0; 475 int error; 476 static uint64_t seq_iter; 477 478 seq_iter++; 479 480 if (version_id < 4 || version_id > 4) { 481 return -EINVAL; 482 } 483 484 do { 485 addr = qemu_get_be64(f); 486 487 flags = addr & ~TARGET_PAGE_MASK; 488 addr &= TARGET_PAGE_MASK; 489 490 if (flags & RAM_SAVE_FLAG_MEM_SIZE) { 491 if (version_id == 4) { 492 /* Synchronize RAM block list */ 493 char id[256]; 494 ram_addr_t length; 495 ram_addr_t total_ram_bytes = addr; 496 497 while (total_ram_bytes) { 498 RAMBlock *block; 499 uint8_t len; 500 501 len = qemu_get_byte(f); 502 qemu_get_buffer(f, (uint8_t *)id, len); 503 id[len] = 0; 504 length = qemu_get_be64(f); 505 506 QLIST_FOREACH(block, &ram_list.blocks, next) { 507 if (!strncmp(id, block->idstr, sizeof(id))) { 508 if (block->length != length) { 509 ret = -EINVAL; 510 goto done; 511 } 512 break; 513 } 514 } 515 516 if (!block) { 517 fprintf(stderr, "Unknown ramblock \"%s\", cannot " 518 "accept migration\n", id); 519 ret = -EINVAL; 520 goto done; 521 } 522 523 total_ram_bytes -= length; 524 } 525 } 526 } 527 528 if (flags & RAM_SAVE_FLAG_COMPRESS) { 529 void *host; 530 uint8_t ch; 531 532 host = host_from_stream_offset(f, addr, flags); 533 if (!host) { 534 return -EINVAL; 535 } 536 537 ch = qemu_get_byte(f); 538 memset(host, ch, TARGET_PAGE_SIZE); 539 #ifndef _WIN32 540 if (ch == 0 && 541 (!kvm_enabled() || kvm_has_sync_mmu())) { 542 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); 543 } 544 #endif 545 } else if (flags & RAM_SAVE_FLAG_PAGE) { 546 void *host; 547 548 host = host_from_stream_offset(f, addr, flags); 549 if (!host) { 550 return -EINVAL; 551 } 552 553 qemu_get_buffer(f, host, TARGET_PAGE_SIZE); 554 } 555 error = qemu_file_get_error(f); 556 if (error) { 557 ret = error; 558 goto done; 559 } 560 } while (!(flags & RAM_SAVE_FLAG_EOS)); 561 562 done: 563 DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64 "\n", 564 ret, seq_iter); 565 return ret; 566 } 567 568 SaveVMHandlers savevm_ram_handlers = { 569 .save_live_setup = ram_save_setup, 570 .save_live_iterate = ram_save_iterate, 571 .save_live_complete = ram_save_complete, 572 .load_state = ram_load, 573 .cancel = ram_migration_cancel, 574 }; 575 576 #ifdef HAS_AUDIO 577 struct soundhw { 578 const char *name; 579 const char *descr; 580 int enabled; 581 int isa; 582 union { 583 int (*init_isa) (ISABus *bus); 584 int (*init_pci) (PCIBus *bus); 585 } init; 586 }; 587 588 static struct soundhw soundhw[] = { 589 #ifdef HAS_AUDIO_CHOICE 590 #ifdef CONFIG_PCSPK 591 { 592 "pcspk", 593 "PC speaker", 594 0, 595 1, 596 { .init_isa = pcspk_audio_init } 597 }, 598 #endif 599 600 #ifdef CONFIG_SB16 601 { 602 "sb16", 603 "Creative Sound Blaster 16", 604 0, 605 1, 606 { .init_isa = SB16_init } 607 }, 608 #endif 609 610 #ifdef CONFIG_CS4231A 611 { 612 "cs4231a", 613 "CS4231A", 614 0, 615 1, 616 { .init_isa = cs4231a_init } 617 }, 618 #endif 619 620 #ifdef CONFIG_ADLIB 621 { 622 "adlib", 623 #ifdef HAS_YMF262 624 "Yamaha YMF262 (OPL3)", 625 #else 626 "Yamaha YM3812 (OPL2)", 627 #endif 628 0, 629 1, 630 { .init_isa = Adlib_init } 631 }, 632 #endif 633 634 #ifdef CONFIG_GUS 635 { 636 "gus", 637 "Gravis Ultrasound GF1", 638 0, 639 1, 640 { .init_isa = GUS_init } 641 }, 642 #endif 643 644 #ifdef CONFIG_AC97 645 { 646 "ac97", 647 "Intel 82801AA AC97 Audio", 648 0, 649 0, 650 { .init_pci = ac97_init } 651 }, 652 #endif 653 654 #ifdef CONFIG_ES1370 655 { 656 "es1370", 657 "ENSONIQ AudioPCI ES1370", 658 0, 659 0, 660 { .init_pci = es1370_init } 661 }, 662 #endif 663 664 #ifdef CONFIG_HDA 665 { 666 "hda", 667 "Intel HD Audio", 668 0, 669 0, 670 { .init_pci = intel_hda_and_codec_init } 671 }, 672 #endif 673 674 #endif /* HAS_AUDIO_CHOICE */ 675 676 { NULL, NULL, 0, 0, { NULL } } 677 }; 678 679 void select_soundhw(const char *optarg) 680 { 681 struct soundhw *c; 682 683 if (*optarg == '?') { 684 show_valid_cards: 685 686 printf("Valid sound card names (comma separated):\n"); 687 for (c = soundhw; c->name; ++c) { 688 printf ("%-11s %s\n", c->name, c->descr); 689 } 690 printf("\n-soundhw all will enable all of the above\n"); 691 exit(*optarg != '?'); 692 } 693 else { 694 size_t l; 695 const char *p; 696 char *e; 697 int bad_card = 0; 698 699 if (!strcmp(optarg, "all")) { 700 for (c = soundhw; c->name; ++c) { 701 c->enabled = 1; 702 } 703 return; 704 } 705 706 p = optarg; 707 while (*p) { 708 e = strchr(p, ','); 709 l = !e ? strlen(p) : (size_t) (e - p); 710 711 for (c = soundhw; c->name; ++c) { 712 if (!strncmp(c->name, p, l) && !c->name[l]) { 713 c->enabled = 1; 714 break; 715 } 716 } 717 718 if (!c->name) { 719 if (l > 80) { 720 fprintf(stderr, 721 "Unknown sound card name (too big to show)\n"); 722 } 723 else { 724 fprintf(stderr, "Unknown sound card name `%.*s'\n", 725 (int) l, p); 726 } 727 bad_card = 1; 728 } 729 p += l + (e != NULL); 730 } 731 732 if (bad_card) { 733 goto show_valid_cards; 734 } 735 } 736 } 737 738 void audio_init(ISABus *isa_bus, PCIBus *pci_bus) 739 { 740 struct soundhw *c; 741 742 for (c = soundhw; c->name; ++c) { 743 if (c->enabled) { 744 if (c->isa) { 745 if (isa_bus) { 746 c->init.init_isa(isa_bus); 747 } 748 } else { 749 if (pci_bus) { 750 c->init.init_pci(pci_bus); 751 } 752 } 753 } 754 } 755 } 756 #else 757 void select_soundhw(const char *optarg) 758 { 759 } 760 void audio_init(ISABus *isa_bus, PCIBus *pci_bus) 761 { 762 } 763 #endif 764 765 int qemu_uuid_parse(const char *str, uint8_t *uuid) 766 { 767 int ret; 768 769 if (strlen(str) != 36) { 770 return -1; 771 } 772 773 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], 774 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], 775 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], 776 &uuid[15]); 777 778 if (ret != 16) { 779 return -1; 780 } 781 #ifdef TARGET_I386 782 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); 783 #endif 784 return 0; 785 } 786 787 void do_acpitable_option(const char *optarg) 788 { 789 #ifdef TARGET_I386 790 if (acpi_table_add(optarg) < 0) { 791 fprintf(stderr, "Wrong acpi table provided\n"); 792 exit(1); 793 } 794 #endif 795 } 796 797 void do_smbios_option(const char *optarg) 798 { 799 #ifdef TARGET_I386 800 if (smbios_entry_add(optarg) < 0) { 801 fprintf(stderr, "Wrong smbios provided\n"); 802 exit(1); 803 } 804 #endif 805 } 806 807 void cpudef_init(void) 808 { 809 #if defined(cpudef_setup) 810 cpudef_setup(); /* parse cpu definitions in target config file */ 811 #endif 812 } 813 814 int audio_available(void) 815 { 816 #ifdef HAS_AUDIO 817 return 1; 818 #else 819 return 0; 820 #endif 821 } 822 823 int tcg_available(void) 824 { 825 return 1; 826 } 827 828 int kvm_available(void) 829 { 830 #ifdef CONFIG_KVM 831 return 1; 832 #else 833 return 0; 834 #endif 835 } 836 837 int xen_available(void) 838 { 839 #ifdef CONFIG_XEN 840 return 1; 841 #else 842 return 0; 843 #endif 844 } 845