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