arch_init.c

   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     RAMBlock *block;
 242     ram_addr_t count = 0;
 243
 244     QLIST_FOREACH(block, &ram_list.blocks, next) {
 245         ram_addr_t addr;
 246         for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
 247             if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
 248                                         DIRTY_MEMORY_MIGRATION)) {
 249                 count++;
 250             }
 251         }
 252     }
 253
 254     return count;
 255 }
 256
 257 uint64_t ram_bytes_remaining(void)
 258 {
 259     return ram_save_remaining() * TARGET_PAGE_SIZE;
 260 }
 261
 262 uint64_t ram_bytes_transferred(void)
 263 {
 264     return bytes_transferred;
 265 }
 266
 267 uint64_t ram_bytes_total(void)
 268 {
 269     RAMBlock *block;
 270     uint64_t total = 0;
 271
 272     QLIST_FOREACH(block, &ram_list.blocks, next)
 273         total += block->length;
 274
 275     return total;
 276 }
 277
 278 static int block_compar(const void *a, const void *b)
 279 {
 280     RAMBlock * const *ablock = a;
 281     RAMBlock * const *bblock = b;
 282
 283     return strcmp((*ablock)->idstr, (*bblock)->idstr);
 284 }
 285
 286 static void sort_ram_list(void)
 287 {
 288     RAMBlock *block, *nblock, **blocks;
 289     int n;
 290     n = 0;
 291     QLIST_FOREACH(block, &ram_list.blocks, next) {
 292         ++n;
 293     }
 294     blocks = g_malloc(n * sizeof *blocks);
 295     n = 0;
 296     QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
 297         blocks[n++] = block;
 298         QLIST_REMOVE(block, next);
 299     }
 300     qsort(blocks, n, sizeof *blocks, block_compar);
 301     while (--n >= 0) {
 302         QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
 303     }
 304     g_free(blocks);
 305 }
 306
 307 int ram_save_live(QEMUFile *f, int stage, void *opaque)
 308 {
 309     ram_addr_t addr;
 310     uint64_t bytes_transferred_last;
 311     double bwidth = 0;
 312     uint64_t expected_time = 0;
 313     int ret;
 314
 315     if (stage < 0) {
 316         memory_global_dirty_log_stop();
 317         return 0;
 318     }
 319
 320     memory_global_sync_dirty_bitmap(get_system_memory());
 321
 322     if (stage == 1) {
 323         RAMBlock *block;
 324         bytes_transferred = 0;
 325         last_block = NULL;
 326         last_offset = 0;
 327         sort_ram_list();
 328
 329         /* Make sure all dirty bits are set */
 330         QLIST_FOREACH(block, &ram_list.blocks, next) {
 331             for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
 332                 if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
 333                                              DIRTY_MEMORY_MIGRATION)) {
 334                     memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
 335                 }
 336             }
 337         }
 338
 339         memory_global_dirty_log_start();
 340
 341         qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
 342
 343         QLIST_FOREACH(block, &ram_list.blocks, next) {
 344             qemu_put_byte(f, strlen(block->idstr));
 345             qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
 346             qemu_put_be64(f, block->length);
 347         }
 348     }
 349
 350     bytes_transferred_last = bytes_transferred;
 351     bwidth = qemu_get_clock_ns(rt_clock);
 352
 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     }
 362
 363     if (ret < 0) {
 364         return ret;
 365     }
 366
 367     bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
 368     bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
 369
 370     /* if we haven't transferred anything this round, force expected_time to a
 371      * a very high value, but without crashing */
 372     if (bwidth == 0) {
 373         bwidth = 0.000001;
 374     }
 375
 376     /* try transferring iterative blocks of memory */
 377     if (stage == 3) {
 378         int bytes_sent;
 379
 380         /* flush all remaining blocks regardless of rate limiting */
 381         while ((bytes_sent = ram_save_block(f)) != 0) {
 382             bytes_transferred += bytes_sent;
 383         }
 384         memory_global_dirty_log_stop();
 385     }
 386
 387     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 388
 389     expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
 390
 391     DPRINTF("ram_save_live: expected(" PRIu64 ") <= max(" PRIu64 ")?\n",
 392             expected_time, migrate_max_downtime());
 393
 394     return (stage == 2) && (expected_time <= migrate_max_downtime());
 395 }
 396
 397 static inline void *host_from_stream_offset(QEMUFile *f,
 398                                             ram_addr_t offset,
 399                                             int flags)
 400 {
 401     static RAMBlock *block = NULL;
 402     char id[256];
 403     uint8_t len;
 404
 405     if (flags & RAM_SAVE_FLAG_CONTINUE) {
 406         if (!block) {
 407             fprintf(stderr, "Ack, bad migration stream!\n");
 408             return NULL;
 409         }
 410
 411         return memory_region_get_ram_ptr(block->mr) + offset;
 412     }
 413
 414     len = qemu_get_byte(f);
 415     qemu_get_buffer(f, (uint8_t *)id, len);
 416     id[len] = 0;
 417
 418     QLIST_FOREACH(block, &ram_list.blocks, next) {
 419         if (!strncmp(id, block->idstr, sizeof(id)))
 420             return memory_region_get_ram_ptr(block->mr) + offset;
 421     }
 422
 423     fprintf(stderr, "Can't find block %s!\n", id);
 424     return NULL;
 425 }
 426
 427 int ram_load(QEMUFile *f, void *opaque, int version_id)
 428 {
 429     ram_addr_t addr;
 430     int flags, ret = 0;
 431     int error;
 432     static uint64_t seq_iter;
 433
 434     seq_iter++;
 435
 436     if (version_id < 4 || version_id > 4) {
 437         return -EINVAL;
 438     }
 439
 440     do {
 441         addr = qemu_get_be64(f);
 442
 443         flags = addr & ~TARGET_PAGE_MASK;
 444         addr &= TARGET_PAGE_MASK;
 445
 446         if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
 447             if (version_id == 4) {
 448                 /* Synchronize RAM block list */
 449                 char id[256];
 450                 ram_addr_t length;
 451                 ram_addr_t total_ram_bytes = addr;
 452
 453                 while (total_ram_bytes) {
 454                     RAMBlock *block;
 455                     uint8_t len;
 456
 457                     len = qemu_get_byte(f);
 458                     qemu_get_buffer(f, (uint8_t *)id, len);
 459                     id[len] = 0;
 460                     length = qemu_get_be64(f);
 461
 462                     QLIST_FOREACH(block, &ram_list.blocks, next) {
 463                         if (!strncmp(id, block->idstr, sizeof(id))) {
 464                             if (block->length != length) {
 465                                 ret =  -EINVAL;
 466                                 goto done;
 467                             }
 468                             break;
 469                         }
 470                     }
 471
 472                     if (!block) {
 473                         fprintf(stderr, "Unknown ramblock \"%s\", cannot "
 474                                 "accept migration\n", id);
 475                         ret = -EINVAL;
 476                         goto done;
 477                     }
 478
 479                     total_ram_bytes -= length;
 480                 }
 481             }
 482         }
 483
 484         if (flags & RAM_SAVE_FLAG_COMPRESS) {
 485             void *host;
 486             uint8_t ch;
 487
 488             host = host_from_stream_offset(f, addr, flags);
 489             if (!host) {
 490                 return -EINVAL;
 491             }
 492
 493             ch = qemu_get_byte(f);
 494             memset(host, ch, TARGET_PAGE_SIZE);
 495 #ifndef _WIN32
 496             if (ch == 0 &&
 497                 (!kvm_enabled() || kvm_has_sync_mmu())) {
 498                 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
 499             }
 500 #endif
 501         } else if (flags & RAM_SAVE_FLAG_PAGE) {
 502             void *host;
 503
 504             host = host_from_stream_offset(f, addr, flags);
 505             if (!host) {
 506                 return -EINVAL;
 507             }
 508
 509             qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
 510         }
 511         error = qemu_file_get_error(f);
 512         if (error) {
 513             ret = error;
 514             goto done;
 515         }
 516     } while (!(flags & RAM_SAVE_FLAG_EOS));
 517
 518 done:
 519     DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64 "\n",
 520             ret, seq_iter);
 521     return ret;
 522 }
 523
 524 #ifdef HAS_AUDIO
 525 struct soundhw {
 526     const char *name;
 527     const char *descr;
 528     int enabled;
 529     int isa;
 530     union {
 531         int (*init_isa) (ISABus *bus);
 532         int (*init_pci) (PCIBus *bus);
 533     } init;
 534 };
 535
 536 static struct soundhw soundhw[] = {
 537 #ifdef HAS_AUDIO_CHOICE
 538 #ifdef CONFIG_PCSPK
 539     {
 540         "pcspk",
 541         "PC speaker",
 542         0,
 543         1,
 544         { .init_isa = pcspk_audio_init }
 545     },
 546 #endif
 547
 548 #ifdef CONFIG_SB16
 549     {
 550         "sb16",
 551         "Creative Sound Blaster 16",
 552         0,
 553         1,
 554         { .init_isa = SB16_init }
 555     },
 556 #endif
 557
 558 #ifdef CONFIG_CS4231A
 559     {
 560         "cs4231a",
 561         "CS4231A",
 562         0,
 563         1,
 564         { .init_isa = cs4231a_init }
 565     },
 566 #endif
 567
 568 #ifdef CONFIG_ADLIB
 569     {
 570         "adlib",
 571 #ifdef HAS_YMF262
 572         "Yamaha YMF262 (OPL3)",
 573 #else
 574         "Yamaha YM3812 (OPL2)",
 575 #endif
 576         0,
 577         1,
 578         { .init_isa = Adlib_init }
 579     },
 580 #endif
 581
 582 #ifdef CONFIG_GUS
 583     {
 584         "gus",
 585         "Gravis Ultrasound GF1",
 586         0,
 587         1,
 588         { .init_isa = GUS_init }
 589     },
 590 #endif
 591
 592 #ifdef CONFIG_AC97
 593     {
 594         "ac97",
 595         "Intel 82801AA AC97 Audio",
 596         0,
 597         0,
 598         { .init_pci = ac97_init }
 599     },
 600 #endif
 601
 602 #ifdef CONFIG_ES1370
 603     {
 604         "es1370",
 605         "ENSONIQ AudioPCI ES1370",
 606         0,
 607         0,
 608         { .init_pci = es1370_init }
 609     },
 610 #endif
 611
 612 #ifdef CONFIG_HDA
 613     {
 614         "hda",
 615         "Intel HD Audio",
 616         0,
 617         0,
 618         { .init_pci = intel_hda_and_codec_init }
 619     },
 620 #endif
 621
 622 #endif /* HAS_AUDIO_CHOICE */
 623
 624     { NULL, NULL, 0, 0, { NULL } }
 625 };
 626
 627 void select_soundhw(const char *optarg)
 628 {
 629     struct soundhw *c;
 630
 631     if (*optarg == '?') {
 632     show_valid_cards:
 633
 634         printf("Valid sound card names (comma separated):\n");
 635         for (c = soundhw; c->name; ++c) {
 636             printf ("%-11s %s\n", c->name, c->descr);
 637         }
 638         printf("\n-soundhw all will enable all of the above\n");
 639         exit(*optarg != '?');
 640     }
 641     else {
 642         size_t l;
 643         const char *p;
 644         char *e;
 645         int bad_card = 0;
 646
 647         if (!strcmp(optarg, "all")) {
 648             for (c = soundhw; c->name; ++c) {
 649                 c->enabled = 1;
 650             }
 651             return;
 652         }
 653
 654         p = optarg;
 655         while (*p) {
 656             e = strchr(p, ',');
 657             l = !e ? strlen(p) : (size_t) (e - p);
 658
 659             for (c = soundhw; c->name; ++c) {
 660                 if (!strncmp(c->name, p, l) && !c->name[l]) {
 661                     c->enabled = 1;
 662                     break;
 663                 }
 664             }
 665
 666             if (!c->name) {
 667                 if (l > 80) {
 668                     fprintf(stderr,
 669                             "Unknown sound card name (too big to show)\n");
 670                 }
 671                 else {
 672                     fprintf(stderr, "Unknown sound card name `%.*s'\n",
 673                             (int) l, p);
 674                 }
 675                 bad_card = 1;
 676             }
 677             p += l + (e != NULL);
 678         }
 679
 680         if (bad_card) {
 681             goto show_valid_cards;
 682         }
 683     }
 684 }
 685
 686 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
 687 {
 688     struct soundhw *c;
 689
 690     for (c = soundhw; c->name; ++c) {
 691         if (c->enabled) {
 692             if (c->isa) {
 693                 if (isa_bus) {
 694                     c->init.init_isa(isa_bus);
 695                 }
 696             } else {
 697                 if (pci_bus) {
 698                     c->init.init_pci(pci_bus);
 699                 }
 700             }
 701         }
 702     }
 703 }
 704 #else
 705 void select_soundhw(const char *optarg)
 706 {
 707 }
 708 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
 709 {
 710 }
 711 #endif
 712
 713 int qemu_uuid_parse(const char *str, uint8_t *uuid)
 714 {
 715     int ret;
 716
 717     if (strlen(str) != 36) {
 718         return -1;
 719     }
 720
 721     ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
 722                  &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
 723                  &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
 724                  &uuid[15]);
 725
 726     if (ret != 16) {
 727         return -1;
 728     }
 729 #ifdef TARGET_I386
 730     smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
 731 #endif
 732     return 0;
 733 }
 734
 735 void do_acpitable_option(const char *optarg)
 736 {
 737 #ifdef TARGET_I386
 738     if (acpi_table_add(optarg) < 0) {
 739         fprintf(stderr, "Wrong acpi table provided\n");
 740         exit(1);
 741     }
 742 #endif
 743 }
 744
 745 void do_smbios_option(const char *optarg)
 746 {
 747 #ifdef TARGET_I386
 748     if (smbios_entry_add(optarg) < 0) {
 749         fprintf(stderr, "Wrong smbios provided\n");
 750         exit(1);
 751     }
 752 #endif
 753 }
 754
 755 void cpudef_init(void)
 756 {
 757 #if defined(cpudef_setup)
 758     cpudef_setup(); /* parse cpu definitions in target config file */
 759 #endif
 760 }
 761
 762 int audio_available(void)
 763 {
 764 #ifdef HAS_AUDIO
 765     return 1;
 766 #else
 767     return 0;
 768 #endif
 769 }
 770
 771 int tcg_available(void)
 772 {
 773     return 1;
 774 }
 775
 776 int kvm_available(void)
 777 {
 778 #ifdef CONFIG_KVM
 779     return 1;
 780 #else
 781     return 0;
 782 #endif
 783 }
 784
 785 int xen_available(void)
 786 {
 787 #ifdef CONFIG_XEN
 788     return 1;
 789 #else
 790     return 0;
 791 #endif
 792 }