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     double bwidth = 0;
 311     int ret;
 312     int i;
 313
 314     memory_global_sync_dirty_bitmap(get_system_memory());
 315
 316     bytes_transferred = 0;
 317     last_block = NULL;
 318     last_offset = 0;
 319     sort_ram_list();
 320
 321     /* Make sure all dirty bits are set */
 322     QLIST_FOREACH(block, &ram_list.blocks, next) {
 323         for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
 324             if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
 325                                          DIRTY_MEMORY_MIGRATION)) {
 326                 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
 327             }
 328         }
 329     }
 330
 331     memory_global_dirty_log_start();
 332
 333     qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
 334
 335     QLIST_FOREACH(block, &ram_list.blocks, next) {
 336         qemu_put_byte(f, strlen(block->idstr));
 337         qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
 338         qemu_put_be64(f, block->length);
 339     }
 340
 341     bwidth = qemu_get_clock_ns(rt_clock);
 342
 343     i = 0;
 344     while ((ret = qemu_file_rate_limit(f)) == 0) {
 345         int bytes_sent;
 346
 347         bytes_sent = ram_save_block(f);
 348         bytes_transferred += bytes_sent;
 349         if (bytes_sent == 0) { /* no more blocks */
 350             break;
 351         }
 352         /* we want to check in the 1st loop, just in case it was the 1st time
 353            and we had to sync the dirty bitmap.
 354            qemu_get_clock_ns() is a bit expensive, so we only check each some
 355            iterations
 356         */
 357         if ((i & 63) == 0) {
 358             uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
 359             if (t1 > MAX_WAIT) {
 360                 DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
 361                         t1, i);
 362                 break;
 363             }
 364         }
 365         i++;
 366     }
 367
 368     if (ret < 0) {
 369         return ret;
 370     }
 371
 372     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 373
 374     return 0;
 375 }
 376
 377 static int ram_save_iterate(QEMUFile *f, void *opaque)
 378 {
 379     uint64_t bytes_transferred_last;
 380     double bwidth = 0;
 381     int ret;
 382     int i;
 383     uint64_t expected_time;
 384
 385     memory_global_sync_dirty_bitmap(get_system_memory());
 386
 387     bytes_transferred_last = bytes_transferred;
 388     bwidth = qemu_get_clock_ns(rt_clock);
 389
 390     i = 0;
 391     while ((ret = qemu_file_rate_limit(f)) == 0) {
 392         int bytes_sent;
 393
 394         bytes_sent = ram_save_block(f);
 395         bytes_transferred += bytes_sent;
 396         if (bytes_sent == 0) { /* no more blocks */
 397             break;
 398         }
 399         /* we want to check in the 1st loop, just in case it was the 1st time
 400            and we had to sync the dirty bitmap.
 401            qemu_get_clock_ns() is a bit expensive, so we only check each some
 402            iterations
 403         */
 404         if ((i & 63) == 0) {
 405             uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
 406             if (t1 > MAX_WAIT) {
 407                 DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
 408                         t1, i);
 409                 break;
 410             }
 411         }
 412         i++;
 413     }
 414
 415     if (ret < 0) {
 416         return ret;
 417     }
 418
 419     bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
 420     bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
 421
 422     /* if we haven't transferred anything this round, force expected_time to a
 423      * a very high value, but without crashing */
 424     if (bwidth == 0) {
 425         bwidth = 0.000001;
 426     }
 427
 428     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 429
 430     expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
 431
 432     DPRINTF("ram_save_live: expected(" PRIu64 ") <= max(" PRIu64 ")?\n",
 433             expected_time, migrate_max_downtime());
 434
 435     return expected_time <= migrate_max_downtime();
 436 }
 437
 438 static int ram_save_complete(QEMUFile *f, void *opaque)
 439 {
 440     double bwidth = 0;
 441     int ret;
 442     int i;
 443     int bytes_sent;
 444
 445     memory_global_sync_dirty_bitmap(get_system_memory());
 446
 447     bwidth = qemu_get_clock_ns(rt_clock);
 448
 449     i = 0;
 450     while ((ret = qemu_file_rate_limit(f)) == 0) {
 451         bytes_sent = ram_save_block(f);
 452         bytes_transferred += bytes_sent;
 453         if (bytes_sent == 0) { /* no more blocks */
 454             break;
 455         }
 456         /* we want to check in the 1st loop, just in case it was the 1st time
 457            and we had to sync the dirty bitmap.
 458            qemu_get_clock_ns() is a bit expensive, so we only check each some
 459            iterations
 460         */
 461         if ((i & 63) == 0) {
 462             uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
 463             if (t1 > MAX_WAIT) {
 464                 DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
 465                         t1, i);
 466                 break;
 467             }
 468         }
 469         i++;
 470     }
 471
 472     if (ret < 0) {
 473         return ret;
 474     }
 475
 476     /* try transferring iterative blocks of memory */
 477
 478     /* flush all remaining blocks regardless of rate limiting */
 479     while ((bytes_sent = ram_save_block(f)) != 0) {
 480         bytes_transferred += bytes_sent;
 481     }
 482     memory_global_dirty_log_stop();
 483
 484     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
 485
 486     return 0;
 487 }
 488
 489 static inline void *host_from_stream_offset(QEMUFile *f,
 490                                             ram_addr_t offset,
 491                                             int flags)
 492 {
 493     static RAMBlock *block = NULL;
 494     char id[256];
 495     uint8_t len;
 496
 497     if (flags & RAM_SAVE_FLAG_CONTINUE) {
 498         if (!block) {
 499             fprintf(stderr, "Ack, bad migration stream!\n");
 500             return NULL;
 501         }
 502
 503         return memory_region_get_ram_ptr(block->mr) + offset;
 504     }
 505
 506     len = qemu_get_byte(f);
 507     qemu_get_buffer(f, (uint8_t *)id, len);
 508     id[len] = 0;
 509
 510     QLIST_FOREACH(block, &ram_list.blocks, next) {
 511         if (!strncmp(id, block->idstr, sizeof(id)))
 512             return memory_region_get_ram_ptr(block->mr) + offset;
 513     }
 514
 515     fprintf(stderr, "Can't find block %s!\n", id);
 516     return NULL;
 517 }
 518
 519 static int ram_load(QEMUFile *f, void *opaque, int version_id)
 520 {
 521     ram_addr_t addr;
 522     int flags, ret = 0;
 523     int error;
 524     static uint64_t seq_iter;
 525
 526     seq_iter++;
 527
 528     if (version_id < 4 || version_id > 4) {
 529         return -EINVAL;
 530     }
 531
 532     do {
 533         addr = qemu_get_be64(f);
 534
 535         flags = addr & ~TARGET_PAGE_MASK;
 536         addr &= TARGET_PAGE_MASK;
 537
 538         if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
 539             if (version_id == 4) {
 540                 /* Synchronize RAM block list */
 541                 char id[256];
 542                 ram_addr_t length;
 543                 ram_addr_t total_ram_bytes = addr;
 544
 545                 while (total_ram_bytes) {
 546                     RAMBlock *block;
 547                     uint8_t len;
 548
 549                     len = qemu_get_byte(f);
 550                     qemu_get_buffer(f, (uint8_t *)id, len);
 551                     id[len] = 0;
 552                     length = qemu_get_be64(f);
 553
 554                     QLIST_FOREACH(block, &ram_list.blocks, next) {
 555                         if (!strncmp(id, block->idstr, sizeof(id))) {
 556                             if (block->length != length) {
 557                                 ret =  -EINVAL;
 558                                 goto done;
 559                             }
 560                             break;
 561                         }
 562                     }
 563
 564                     if (!block) {
 565                         fprintf(stderr, "Unknown ramblock \"%s\", cannot "
 566                                 "accept migration\n", id);
 567                         ret = -EINVAL;
 568                         goto done;
 569                     }
 570
 571                     total_ram_bytes -= length;
 572                 }
 573             }
 574         }
 575
 576         if (flags & RAM_SAVE_FLAG_COMPRESS) {
 577             void *host;
 578             uint8_t ch;
 579
 580             host = host_from_stream_offset(f, addr, flags);
 581             if (!host) {
 582                 return -EINVAL;
 583             }
 584
 585             ch = qemu_get_byte(f);
 586             memset(host, ch, TARGET_PAGE_SIZE);
 587 #ifndef _WIN32
 588             if (ch == 0 &&
 589                 (!kvm_enabled() || kvm_has_sync_mmu())) {
 590                 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
 591             }
 592 #endif
 593         } else if (flags & RAM_SAVE_FLAG_PAGE) {
 594             void *host;
 595
 596             host = host_from_stream_offset(f, addr, flags);
 597             if (!host) {
 598                 return -EINVAL;
 599             }
 600
 601             qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
 602         }
 603         error = qemu_file_get_error(f);
 604         if (error) {
 605             ret = error;
 606             goto done;
 607         }
 608     } while (!(flags & RAM_SAVE_FLAG_EOS));
 609
 610 done:
 611     DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64 "\n",
 612             ret, seq_iter);
 613     return ret;
 614 }
 615
 616 SaveVMHandlers savevm_ram_handlers = {
 617     .save_live_setup = ram_save_setup,
 618     .save_live_iterate = ram_save_iterate,
 619     .save_live_complete = ram_save_complete,
 620     .load_state = ram_load,
 621     .cancel = ram_migration_cancel,
 622 };
 623
 624 #ifdef HAS_AUDIO
 625 struct soundhw {
 626     const char *name;
 627     const char *descr;
 628     int enabled;
 629     int isa;
 630     union {
 631         int (*init_isa) (ISABus *bus);
 632         int (*init_pci) (PCIBus *bus);
 633     } init;
 634 };
 635
 636 static struct soundhw soundhw[] = {
 637 #ifdef HAS_AUDIO_CHOICE
 638 #ifdef CONFIG_PCSPK
 639     {
 640         "pcspk",
 641         "PC speaker",
 642         0,
 643         1,
 644         { .init_isa = pcspk_audio_init }
 645     },
 646 #endif
 647
 648 #ifdef CONFIG_SB16
 649     {
 650         "sb16",
 651         "Creative Sound Blaster 16",
 652         0,
 653         1,
 654         { .init_isa = SB16_init }
 655     },
 656 #endif
 657
 658 #ifdef CONFIG_CS4231A
 659     {
 660         "cs4231a",
 661         "CS4231A",
 662         0,
 663         1,
 664         { .init_isa = cs4231a_init }
 665     },
 666 #endif
 667
 668 #ifdef CONFIG_ADLIB
 669     {
 670         "adlib",
 671 #ifdef HAS_YMF262
 672         "Yamaha YMF262 (OPL3)",
 673 #else
 674         "Yamaha YM3812 (OPL2)",
 675 #endif
 676         0,
 677         1,
 678         { .init_isa = Adlib_init }
 679     },
 680 #endif
 681
 682 #ifdef CONFIG_GUS
 683     {
 684         "gus",
 685         "Gravis Ultrasound GF1",
 686         0,
 687         1,
 688         { .init_isa = GUS_init }
 689     },
 690 #endif
 691
 692 #ifdef CONFIG_AC97
 693     {
 694         "ac97",
 695         "Intel 82801AA AC97 Audio",
 696         0,
 697         0,
 698         { .init_pci = ac97_init }
 699     },
 700 #endif
 701
 702 #ifdef CONFIG_ES1370
 703     {
 704         "es1370",
 705         "ENSONIQ AudioPCI ES1370",
 706         0,
 707         0,
 708         { .init_pci = es1370_init }
 709     },
 710 #endif
 711
 712 #ifdef CONFIG_HDA
 713     {
 714         "hda",
 715         "Intel HD Audio",
 716         0,
 717         0,
 718         { .init_pci = intel_hda_and_codec_init }
 719     },
 720 #endif
 721
 722 #endif /* HAS_AUDIO_CHOICE */
 723
 724     { NULL, NULL, 0, 0, { NULL } }
 725 };
 726
 727 void select_soundhw(const char *optarg)
 728 {
 729     struct soundhw *c;
 730
 731     if (*optarg == '?') {
 732     show_valid_cards:
 733
 734         printf("Valid sound card names (comma separated):\n");
 735         for (c = soundhw; c->name; ++c) {
 736             printf ("%-11s %s\n", c->name, c->descr);
 737         }
 738         printf("\n-soundhw all will enable all of the above\n");
 739         exit(*optarg != '?');
 740     }
 741     else {
 742         size_t l;
 743         const char *p;
 744         char *e;
 745         int bad_card = 0;
 746
 747         if (!strcmp(optarg, "all")) {
 748             for (c = soundhw; c->name; ++c) {
 749                 c->enabled = 1;
 750             }
 751             return;
 752         }
 753
 754         p = optarg;
 755         while (*p) {
 756             e = strchr(p, ',');
 757             l = !e ? strlen(p) : (size_t) (e - p);
 758
 759             for (c = soundhw; c->name; ++c) {
 760                 if (!strncmp(c->name, p, l) && !c->name[l]) {
 761                     c->enabled = 1;
 762                     break;
 763                 }
 764             }
 765
 766             if (!c->name) {
 767                 if (l > 80) {
 768                     fprintf(stderr,
 769                             "Unknown sound card name (too big to show)\n");
 770                 }
 771                 else {
 772                     fprintf(stderr, "Unknown sound card name `%.*s'\n",
 773                             (int) l, p);
 774                 }
 775                 bad_card = 1;
 776             }
 777             p += l + (e != NULL);
 778         }
 779
 780         if (bad_card) {
 781             goto show_valid_cards;
 782         }
 783     }
 784 }
 785
 786 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
 787 {
 788     struct soundhw *c;
 789
 790     for (c = soundhw; c->name; ++c) {
 791         if (c->enabled) {
 792             if (c->isa) {
 793                 if (isa_bus) {
 794                     c->init.init_isa(isa_bus);
 795                 }
 796             } else {
 797                 if (pci_bus) {
 798                     c->init.init_pci(pci_bus);
 799                 }
 800             }
 801         }
 802     }
 803 }
 804 #else
 805 void select_soundhw(const char *optarg)
 806 {
 807 }
 808 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
 809 {
 810 }
 811 #endif
 812
 813 int qemu_uuid_parse(const char *str, uint8_t *uuid)
 814 {
 815     int ret;
 816
 817     if (strlen(str) != 36) {
 818         return -1;
 819     }
 820
 821     ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
 822                  &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
 823                  &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
 824                  &uuid[15]);
 825
 826     if (ret != 16) {
 827         return -1;
 828     }
 829 #ifdef TARGET_I386
 830     smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
 831 #endif
 832     return 0;
 833 }
 834
 835 void do_acpitable_option(const char *optarg)
 836 {
 837 #ifdef TARGET_I386
 838     if (acpi_table_add(optarg) < 0) {
 839         fprintf(stderr, "Wrong acpi table provided\n");
 840         exit(1);
 841     }
 842 #endif
 843 }
 844
 845 void do_smbios_option(const char *optarg)
 846 {
 847 #ifdef TARGET_I386
 848     if (smbios_entry_add(optarg) < 0) {
 849         fprintf(stderr, "Wrong smbios provided\n");
 850         exit(1);
 851     }
 852 #endif
 853 }
 854
 855 void cpudef_init(void)
 856 {
 857 #if defined(cpudef_setup)
 858     cpudef_setup(); /* parse cpu definitions in target config file */
 859 #endif
 860 }
 861
 862 int audio_available(void)
 863 {
 864 #ifdef HAS_AUDIO
 865     return 1;
 866 #else
 867     return 0;
 868 #endif
 869 }
 870
 871 int tcg_available(void)
 872 {
 873     return 1;
 874 }
 875
 876 int kvm_available(void)
 877 {
 878 #ifdef CONFIG_KVM
 879     return 1;
 880 #else
 881     return 0;
 882 #endif
 883 }
 884
 885 int xen_available(void)
 886 {
 887 #ifdef CONFIG_XEN
 888     return 1;
 889 #else
 890     return 0;
 891 #endif
 892 }