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     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     memory_global_sync_dirty_bitmap(get_system_memory());
 312
 313     bytes_transferred = 0;
 314     last_block = NULL;
 315     last_offset = 0;
 316     sort_ram_list();
 317
 318     /* Make sure all dirty bits are set */
 319     QLIST_FOREACH(block, &ram_list.blocks, next) {
 320         for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
 321             if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
 322                                          DIRTY_MEMORY_MIGRATION)) {
 323                 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
 324             }
 325         }
 326     }
 327
 328     memory_global_dirty_log_start();
 329
 330     qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
 331
 332     QLIST_FOREACH(block, &ram_list.blocks, next) {
 333         qemu_put_byte(f, strlen(block->idstr));
 334         qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
 335         qemu_put_be64(f, block->length);
 336     }
 337
 338     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 339
 340     return 0;
 341 }
 342
 343 static int ram_save_iterate(QEMUFile *f, void *opaque)
 344 {
 345     uint64_t bytes_transferred_last;
 346     double bwidth = 0;
 347     int ret;
 348     int i;
 349     uint64_t expected_time;
 350
 351     bytes_transferred_last = bytes_transferred;
 352     bwidth = qemu_get_clock_ns(rt_clock);
 353
 354     i = 0;
 355     while ((ret = qemu_file_rate_limit(f)) == 0) {
 356         int bytes_sent;
 357
 358         bytes_sent = ram_save_block(f);
 359         bytes_transferred += bytes_sent;
 360         if (bytes_sent == 0) { /* no more blocks */
 361             break;
 362         }
 363         /* we want to check in the 1st loop, just in case it was the 1st time
 364            and we had to sync the dirty bitmap.
 365            qemu_get_clock_ns() is a bit expensive, so we only check each some
 366            iterations
 367         */
 368         if ((i & 63) == 0) {
 369             uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
 370             if (t1 > MAX_WAIT) {
 371                 DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
 372                         t1, i);
 373                 break;
 374             }
 375         }
 376         i++;
 377     }
 378
 379     if (ret < 0) {
 380         return ret;
 381     }
 382
 383     bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
 384     bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
 385
 386     /* if we haven't transferred anything this round, force expected_time to a
 387      * a very high value, but without crashing */
 388     if (bwidth == 0) {
 389         bwidth = 0.000001;
 390     }
 391
 392     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 393
 394     expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
 395
 396     DPRINTF("ram_save_live: expected(" PRIu64 ") <= max(" PRIu64 ")?\n",
 397             expected_time, migrate_max_downtime());
 398
 399     if (expected_time <= migrate_max_downtime()) {
 400         memory_global_sync_dirty_bitmap(get_system_memory());
 401         expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
 402
 403         return expected_time <= migrate_max_downtime();
 404     }
 405     return 0;
 406 }
 407
 408 static int ram_save_complete(QEMUFile *f, void *opaque)
 409 {
 410     int bytes_sent;
 411
 412     memory_global_sync_dirty_bitmap(get_system_memory());
 413
 414     /* try transferring iterative blocks of memory */
 415
 416     /* flush all remaining blocks regardless of rate limiting */
 417     while ((bytes_sent = ram_save_block(f)) != 0) {
 418         bytes_transferred += bytes_sent;
 419     }
 420     memory_global_dirty_log_stop();
 421
 422     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 423
 424     return 0;
 425 }
 426
 427 static inline void *host_from_stream_offset(QEMUFile *f,
 428                                             ram_addr_t offset,
 429                                             int flags)
 430 {
 431     static RAMBlock *block = NULL;
 432     char id[256];
 433     uint8_t len;
 434
 435     if (flags & RAM_SAVE_FLAG_CONTINUE) {
 436         if (!block) {
 437             fprintf(stderr, "Ack, bad migration stream!\n");
 438             return NULL;
 439         }
 440
 441         return memory_region_get_ram_ptr(block->mr) + offset;
 442     }
 443
 444     len = qemu_get_byte(f);
 445     qemu_get_buffer(f, (uint8_t *)id, len);
 446     id[len] = 0;
 447
 448     QLIST_FOREACH(block, &ram_list.blocks, next) {
 449         if (!strncmp(id, block->idstr, sizeof(id)))
 450             return memory_region_get_ram_ptr(block->mr) + offset;
 451     }
 452
 453     fprintf(stderr, "Can't find block %s!\n", id);
 454     return NULL;
 455 }
 456
 457 static int ram_load(QEMUFile *f, void *opaque, int version_id)
 458 {
 459     ram_addr_t addr;
 460     int flags, ret = 0;
 461     int error;
 462     static uint64_t seq_iter;
 463
 464     seq_iter++;
 465
 466     if (version_id < 4 || version_id > 4) {
 467         return -EINVAL;
 468     }
 469
 470     do {
 471         addr = qemu_get_be64(f);
 472
 473         flags = addr & ~TARGET_PAGE_MASK;
 474         addr &= TARGET_PAGE_MASK;
 475
 476         if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
 477             if (version_id == 4) {
 478                 /* Synchronize RAM block list */
 479                 char id[256];
 480                 ram_addr_t length;
 481                 ram_addr_t total_ram_bytes = addr;
 482
 483                 while (total_ram_bytes) {
 484                     RAMBlock *block;
 485                     uint8_t len;
 486
 487                     len = qemu_get_byte(f);
 488                     qemu_get_buffer(f, (uint8_t *)id, len);
 489                     id[len] = 0;
 490                     length = qemu_get_be64(f);
 491
 492                     QLIST_FOREACH(block, &ram_list.blocks, next) {
 493                         if (!strncmp(id, block->idstr, sizeof(id))) {
 494                             if (block->length != length) {
 495                                 ret =  -EINVAL;
 496                                 goto done;
 497                             }
 498                             break;
 499                         }
 500                     }
 501
 502                     if (!block) {
 503                         fprintf(stderr, "Unknown ramblock \"%s\", cannot "
 504                                 "accept migration\n", id);
 505                         ret = -EINVAL;
 506                         goto done;
 507                     }
 508
 509                     total_ram_bytes -= length;
 510                 }
 511             }
 512         }
 513
 514         if (flags & RAM_SAVE_FLAG_COMPRESS) {
 515             void *host;
 516             uint8_t ch;
 517
 518             host = host_from_stream_offset(f, addr, flags);
 519             if (!host) {
 520                 return -EINVAL;
 521             }
 522
 523             ch = qemu_get_byte(f);
 524             memset(host, ch, TARGET_PAGE_SIZE);
 525 #ifndef _WIN32
 526             if (ch == 0 &&
 527                 (!kvm_enabled() || kvm_has_sync_mmu())) {
 528                 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
 529             }
 530 #endif
 531         } else if (flags & RAM_SAVE_FLAG_PAGE) {
 532             void *host;
 533
 534             host = host_from_stream_offset(f, addr, flags);
 535             if (!host) {
 536                 return -EINVAL;
 537             }
 538
 539             qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
 540         }
 541         error = qemu_file_get_error(f);
 542         if (error) {
 543             ret = error;
 544             goto done;
 545         }
 546     } while (!(flags & RAM_SAVE_FLAG_EOS));
 547
 548 done:
 549     DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64 "\n",
 550             ret, seq_iter);
 551     return ret;
 552 }
 553
 554 SaveVMHandlers savevm_ram_handlers = {
 555     .save_live_setup = ram_save_setup,
 556     .save_live_iterate = ram_save_iterate,
 557     .save_live_complete = ram_save_complete,
 558     .load_state = ram_load,
 559     .cancel = ram_migration_cancel,
 560 };
 561
 562 #ifdef HAS_AUDIO
 563 struct soundhw {
 564     const char *name;
 565     const char *descr;
 566     int enabled;
 567     int isa;
 568     union {
 569         int (*init_isa) (ISABus *bus);
 570         int (*init_pci) (PCIBus *bus);
 571     } init;
 572 };
 573
 574 static struct soundhw soundhw[] = {
 575 #ifdef HAS_AUDIO_CHOICE
 576 #ifdef CONFIG_PCSPK
 577     {
 578         "pcspk",
 579         "PC speaker",
 580         0,
 581         1,
 582         { .init_isa = pcspk_audio_init }
 583     },
 584 #endif
 585
 586 #ifdef CONFIG_SB16
 587     {
 588         "sb16",
 589         "Creative Sound Blaster 16",
 590         0,
 591         1,
 592         { .init_isa = SB16_init }
 593     },
 594 #endif
 595
 596 #ifdef CONFIG_CS4231A
 597     {
 598         "cs4231a",
 599         "CS4231A",
 600         0,
 601         1,
 602         { .init_isa = cs4231a_init }
 603     },
 604 #endif
 605
 606 #ifdef CONFIG_ADLIB
 607     {
 608         "adlib",
 609 #ifdef HAS_YMF262
 610         "Yamaha YMF262 (OPL3)",
 611 #else
 612         "Yamaha YM3812 (OPL2)",
 613 #endif
 614         0,
 615         1,
 616         { .init_isa = Adlib_init }
 617     },
 618 #endif
 619
 620 #ifdef CONFIG_GUS
 621     {
 622         "gus",
 623         "Gravis Ultrasound GF1",
 624         0,
 625         1,
 626         { .init_isa = GUS_init }
 627     },
 628 #endif
 629
 630 #ifdef CONFIG_AC97
 631     {
 632         "ac97",
 633         "Intel 82801AA AC97 Audio",
 634         0,
 635         0,
 636         { .init_pci = ac97_init }
 637     },
 638 #endif
 639
 640 #ifdef CONFIG_ES1370
 641     {
 642         "es1370",
 643         "ENSONIQ AudioPCI ES1370",
 644         0,
 645         0,
 646         { .init_pci = es1370_init }
 647     },
 648 #endif
 649
 650 #ifdef CONFIG_HDA
 651     {
 652         "hda",
 653         "Intel HD Audio",
 654         0,
 655         0,
 656         { .init_pci = intel_hda_and_codec_init }
 657     },
 658 #endif
 659
 660 #endif /* HAS_AUDIO_CHOICE */
 661
 662     { NULL, NULL, 0, 0, { NULL } }
 663 };
 664
 665 void select_soundhw(const char *optarg)
 666 {
 667     struct soundhw *c;
 668
 669     if (*optarg == '?') {
 670     show_valid_cards:
 671
 672         printf("Valid sound card names (comma separated):\n");
 673         for (c = soundhw; c->name; ++c) {
 674             printf ("%-11s %s\n", c->name, c->descr);
 675         }
 676         printf("\n-soundhw all will enable all of the above\n");
 677         exit(*optarg != '?');
 678     }
 679     else {
 680         size_t l;
 681         const char *p;
 682         char *e;
 683         int bad_card = 0;
 684
 685         if (!strcmp(optarg, "all")) {
 686             for (c = soundhw; c->name; ++c) {
 687                 c->enabled = 1;
 688             }
 689             return;
 690         }
 691
 692         p = optarg;
 693         while (*p) {
 694             e = strchr(p, ',');
 695             l = !e ? strlen(p) : (size_t) (e - p);
 696
 697             for (c = soundhw; c->name; ++c) {
 698                 if (!strncmp(c->name, p, l) && !c->name[l]) {
 699                     c->enabled = 1;
 700                     break;
 701                 }
 702             }
 703
 704             if (!c->name) {
 705                 if (l > 80) {
 706                     fprintf(stderr,
 707                             "Unknown sound card name (too big to show)\n");
 708                 }
 709                 else {
 710                     fprintf(stderr, "Unknown sound card name `%.*s'\n",
 711                             (int) l, p);
 712                 }
 713                 bad_card = 1;
 714             }
 715             p += l + (e != NULL);
 716         }
 717
 718         if (bad_card) {
 719             goto show_valid_cards;
 720         }
 721     }
 722 }
 723
 724 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
 725 {
 726     struct soundhw *c;
 727
 728     for (c = soundhw; c->name; ++c) {
 729         if (c->enabled) {
 730             if (c->isa) {
 731                 if (isa_bus) {
 732                     c->init.init_isa(isa_bus);
 733                 }
 734             } else {
 735                 if (pci_bus) {
 736                     c->init.init_pci(pci_bus);
 737                 }
 738             }
 739         }
 740     }
 741 }
 742 #else
 743 void select_soundhw(const char *optarg)
 744 {
 745 }
 746 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
 747 {
 748 }
 749 #endif
 750
 751 int qemu_uuid_parse(const char *str, uint8_t *uuid)
 752 {
 753     int ret;
 754
 755     if (strlen(str) != 36) {
 756         return -1;
 757     }
 758
 759     ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
 760                  &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
 761                  &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
 762                  &uuid[15]);
 763
 764     if (ret != 16) {
 765         return -1;
 766     }
 767 #ifdef TARGET_I386
 768     smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
 769 #endif
 770     return 0;
 771 }
 772
 773 void do_acpitable_option(const char *optarg)
 774 {
 775 #ifdef TARGET_I386
 776     if (acpi_table_add(optarg) < 0) {
 777         fprintf(stderr, "Wrong acpi table provided\n");
 778         exit(1);
 779     }
 780 #endif
 781 }
 782
 783 void do_smbios_option(const char *optarg)
 784 {
 785 #ifdef TARGET_I386
 786     if (smbios_entry_add(optarg) < 0) {
 787         fprintf(stderr, "Wrong smbios provided\n");
 788         exit(1);
 789     }
 790 #endif
 791 }
 792
 793 void cpudef_init(void)
 794 {
 795 #if defined(cpudef_setup)
 796     cpudef_setup(); /* parse cpu definitions in target config file */
 797 #endif
 798 }
 799
 800 int audio_available(void)
 801 {
 802 #ifdef HAS_AUDIO
 803     return 1;
 804 #else
 805     return 0;
 806 #endif
 807 }
 808
 809 int tcg_available(void)
 810 {
 811     return 1;
 812 }
 813
 814 int kvm_available(void)
 815 {
 816 #ifdef CONFIG_KVM
 817     return 1;
 818 #else
 819     return 0;
 820 #endif
 821 }
 822
 823 int xen_available(void)
 824 {
 825 #ifdef CONFIG_XEN
 826     return 1;
 827 #else
 828     return 0;
 829 #endif
 830 }