arch_init.c 19.7 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/*
 * QEMU System Emulator
 *
 * Copyright (c) 2003-2008 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include <stdint.h>
#include <stdarg.h>
26
#include <stdlib.h>
27
#ifndef _WIN32
28
#include <sys/types.h>
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#include <sys/mman.h>
#endif
#include "config.h"
#include "monitor.h"
#include "sysemu.h"
#include "arch_init.h"
#include "audio/audio.h"
#include "hw/pc.h"
#include "hw/pci.h"
#include "hw/audiodev.h"
#include "kvm.h"
#include "migration.h"
#include "net.h"
#include "gdbstub.h"
#include "hw/smbios.h"
44
#include "exec-memory.h"
Jan Kiszka's avatar
Jan Kiszka committed
45
#include "hw/pcspk.h"
46

Orit Wasserman's avatar
Orit Wasserman committed
47
48
49
50
51
52
53
54
#ifdef DEBUG_ARCH_INIT
#define DPRINTF(fmt, ...) \
    do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...) \
    do { } while (0)
#endif

55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
#ifdef TARGET_SPARC
int graphic_width = 1024;
int graphic_height = 768;
int graphic_depth = 8;
#else
int graphic_width = 800;
int graphic_height = 600;
int graphic_depth = 15;
#endif


#if defined(TARGET_ALPHA)
#define QEMU_ARCH QEMU_ARCH_ALPHA
#elif defined(TARGET_ARM)
#define QEMU_ARCH QEMU_ARCH_ARM
#elif defined(TARGET_CRIS)
#define QEMU_ARCH QEMU_ARCH_CRIS
#elif defined(TARGET_I386)
#define QEMU_ARCH QEMU_ARCH_I386
#elif defined(TARGET_M68K)
#define QEMU_ARCH QEMU_ARCH_M68K
Michael Walle's avatar
Michael Walle committed
76
77
#elif defined(TARGET_LM32)
#define QEMU_ARCH QEMU_ARCH_LM32
78
79
80
81
82
83
84
85
86
87
88
89
#elif defined(TARGET_MICROBLAZE)
#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
#elif defined(TARGET_MIPS)
#define QEMU_ARCH QEMU_ARCH_MIPS
#elif defined(TARGET_PPC)
#define QEMU_ARCH QEMU_ARCH_PPC
#elif defined(TARGET_S390X)
#define QEMU_ARCH QEMU_ARCH_S390X
#elif defined(TARGET_SH4)
#define QEMU_ARCH QEMU_ARCH_SH4
#elif defined(TARGET_SPARC)
#define QEMU_ARCH QEMU_ARCH_SPARC
Max Filippov's avatar
Max Filippov committed
90
91
#elif defined(TARGET_XTENSA)
#define QEMU_ARCH QEMU_ARCH_XTENSA
92
93
94
95
96
97
98
#endif

const uint32_t arch_type = QEMU_ARCH;

/***********************************************************/
/* ram save/restore */

99
100
101
102
103
104
#define RAM_SAVE_FLAG_FULL     0x01 /* Obsolete, not used anymore */
#define RAM_SAVE_FLAG_COMPRESS 0x02
#define RAM_SAVE_FLAG_MEM_SIZE 0x04
#define RAM_SAVE_FLAG_PAGE     0x08
#define RAM_SAVE_FLAG_EOS      0x10
#define RAM_SAVE_FLAG_CONTINUE 0x20
105

Paolo Bonzini's avatar
Paolo Bonzini committed
106
107
108
109
110
#ifdef __ALTIVEC__
#include <altivec.h>
#define VECTYPE        vector unsigned char
#define SPLAT(p)       vec_splat(vec_ld(0, p), 0)
#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
111
112
113
114
/* altivec.h may redefine the bool macro as vector type.
 * Reset it to POSIX semantics. */
#undef bool
#define bool _Bool
Paolo Bonzini's avatar
Paolo Bonzini committed
115
116
117
118
119
120
121
122
123
124
125
#elif defined __SSE2__
#include <emmintrin.h>
#define VECTYPE        __m128i
#define SPLAT(p)       _mm_set1_epi8(*(p))
#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
#else
#define VECTYPE        unsigned long
#define SPLAT(p)       (*(p) * (~0UL / 255))
#define ALL_EQ(v1, v2) ((v1) == (v2))
#endif

126

127
128
static struct defconfig_file {
    const char *filename;
129
130
    /* Indicates it is an user config file (disabled by -no-user-config) */
    bool userconfig;
131
} default_config_files[] = {
132
    { CONFIG_QEMU_DATADIR "/cpus-" TARGET_ARCH ".conf",  false },
133
134
    { CONFIG_QEMU_CONFDIR "/qemu.conf",                   true },
    { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
135
136
137
138
    { NULL }, /* end of list */
};


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
146
147
        if (!userconfig && f->userconfig) {
            continue;
        }
148
149
150
151
        ret = qemu_read_config_file(f->filename);
        if (ret < 0 && ret != -ENOENT) {
            return ret;
        }
152
    }
153
    
154
155
156
    return 0;
}

Paolo Bonzini's avatar
Paolo Bonzini committed
157
static int is_dup_page(uint8_t *page)
158
{
Paolo Bonzini's avatar
Paolo Bonzini committed
159
160
    VECTYPE *p = (VECTYPE *)page;
    VECTYPE val = SPLAT(page);
161
162
    int i;

Paolo Bonzini's avatar
Paolo Bonzini committed
163
164
    for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
        if (!ALL_EQ(val, p[i])) {
165
166
167
168
169
170
171
            return 0;
        }
    }

    return 1;
}

Orit Wasserman's avatar
Orit Wasserman committed
172
173
174
175
176
177
178
179
180
181
182
183
static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
        int cont, int flag)
{
        qemu_put_be64(f, offset | cont | flag);
        if (!cont) {
                qemu_put_byte(f, strlen(block->idstr));
                qemu_put_buffer(f, (uint8_t *)block->idstr,
                                strlen(block->idstr));
        }

}

184
185
186
static RAMBlock *last_block;
static ram_addr_t last_offset;

187
188
static int ram_save_block(QEMUFile *f)
{
189
190
    RAMBlock *block = last_block;
    ram_addr_t offset = last_offset;
191
    int bytes_sent = 0;
Avi Kivity's avatar
Avi Kivity committed
192
    MemoryRegion *mr;
193

194
195
196
197
    if (!block)
        block = QLIST_FIRST(&ram_list.blocks);

    do {
Avi Kivity's avatar
Avi Kivity committed
198
        mr = block->mr;
199
200
        if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
                                    DIRTY_MEMORY_MIGRATION)) {
201
            uint8_t *p;
202
            int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
203

Avi Kivity's avatar
Avi Kivity committed
204
205
            memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
                                      DIRTY_MEMORY_MIGRATION);
206

Avi Kivity's avatar
Avi Kivity committed
207
            p = memory_region_get_ram_ptr(mr) + offset;
208

Paolo Bonzini's avatar
Paolo Bonzini committed
209
            if (is_dup_page(p)) {
Orit Wasserman's avatar
Orit Wasserman committed
210
                save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
211
                qemu_put_byte(f, *p);
212
                bytes_sent = 1;
213
            } else {
Orit Wasserman's avatar
Orit Wasserman committed
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
220
            }

            break;
        }
221
222
223
224
225
226
227
228

        offset += TARGET_PAGE_SIZE;
        if (offset >= block->length) {
            offset = 0;
            block = QLIST_NEXT(block, next);
            if (!block)
                block = QLIST_FIRST(&ram_list.blocks);
        }
Avi Kivity's avatar
Avi Kivity committed
229
    } while (block != last_block || offset != last_offset);
230
231
232

    last_block = block;
    last_offset = offset;
233

234
    return bytes_sent;
235
236
237
238
239
240
}

static uint64_t bytes_transferred;

static ram_addr_t ram_save_remaining(void)
{
241
    return ram_list.dirty_pages;
242
243
244
245
246
247
248
249
250
251
252
253
254
255
}

uint64_t ram_bytes_remaining(void)
{
    return ram_save_remaining() * TARGET_PAGE_SIZE;
}

uint64_t ram_bytes_transferred(void)
{
    return bytes_transferred;
}

uint64_t ram_bytes_total(void)
{
256
257
258
259
260
261
262
    RAMBlock *block;
    uint64_t total = 0;

    QLIST_FOREACH(block, &ram_list.blocks, next)
        total += block->length;

    return total;
263
264
}

265
266
267
268
static int block_compar(const void *a, const void *b)
{
    RAMBlock * const *ablock = a;
    RAMBlock * const *bblock = b;
269
270

    return strcmp((*ablock)->idstr, (*bblock)->idstr);
271
272
273
274
275
276
277
278
279
280
}

static void sort_ram_list(void)
{
    RAMBlock *block, *nblock, **blocks;
    int n;
    n = 0;
    QLIST_FOREACH(block, &ram_list.blocks, next) {
        ++n;
    }
281
    blocks = g_malloc(n * sizeof *blocks);
282
283
284
285
286
287
288
289
290
    n = 0;
    QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
        blocks[n++] = block;
        QLIST_REMOVE(block, next);
    }
    qsort(blocks, n, sizeof *blocks, block_compar);
    while (--n >= 0) {
        QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
    }
291
    g_free(blocks);
292
293
}

Orit Wasserman's avatar
Orit Wasserman committed
294
295
296
297
298
static void migration_end(void)
{
    memory_global_dirty_log_stop();
}

299
300
301
302
303
static void ram_migration_cancel(void *opaque)
{
    migration_end();
}

304
305
#define MAX_WAIT 50 /* ms, half buffered_file limit */

306
static int ram_save_setup(QEMUFile *f, void *opaque)
307
308
{
    ram_addr_t addr;
309
    RAMBlock *block;
310

311
312
313
314
315
316
317
318
319
320
321
    bytes_transferred = 0;
    last_block = NULL;
    last_offset = 0;
    sort_ram_list();

    /* Make sure all dirty bits are set */
    QLIST_FOREACH(block, &ram_list.blocks, next) {
        for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
            if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
                                         DIRTY_MEMORY_MIGRATION)) {
                memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
322
323
            }
        }
324
    }
325

326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
    memory_global_dirty_log_start();

    qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);

    QLIST_FOREACH(block, &ram_list.blocks, next) {
        qemu_put_byte(f, strlen(block->idstr));
        qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
        qemu_put_be64(f, block->length);
    }

    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);

    return 0;
}

341
static int ram_save_iterate(QEMUFile *f, void *opaque)
342
343
344
345
346
{
    uint64_t bytes_transferred_last;
    double bwidth = 0;
    int ret;
    int i;
347
    uint64_t expected_time;
348

349
350
351
    bytes_transferred_last = bytes_transferred;
    bwidth = qemu_get_clock_ns(rt_clock);

352
    i = 0;
353
    while ((ret = qemu_file_rate_limit(f)) == 0) {
354
        int bytes_sent;
355

356
357
358
        bytes_sent = ram_save_block(f);
        bytes_transferred += bytes_sent;
        if (bytes_sent == 0) { /* no more blocks */
359
360
            break;
        }
361
362
363
364
365
366
367
368
369
370
371
372
373
374
        /* we want to check in the 1st loop, just in case it was the 1st time
           and we had to sync the dirty bitmap.
           qemu_get_clock_ns() is a bit expensive, so we only check each some
           iterations
        */
        if ((i & 63) == 0) {
            uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
            if (t1 > MAX_WAIT) {
                DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
                        t1, i);
                break;
            }
        }
        i++;
375
376
    }

377
378
379
380
    if (ret < 0) {
        return ret;
    }

381
382
383
384
385
386
387
388
389
    bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
    bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;

    /* if we haven't transferred anything this round, force expected_time to a
     * a very high value, but without crashing */
    if (bwidth == 0) {
        bwidth = 0.000001;
    }

390
391
392
393
394
395
396
    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);

    expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;

    DPRINTF("ram_save_live: expected(" PRIu64 ") <= max(" PRIu64 ")?\n",
            expected_time, migrate_max_downtime());

Juan Quintela's avatar
Juan Quintela committed
397
398
399
400
401
402
403
    if (expected_time <= migrate_max_downtime()) {
        memory_global_sync_dirty_bitmap(get_system_memory());
        expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;

        return expected_time <= migrate_max_downtime();
    }
    return 0;
404
405
406
407
408
}

static int ram_save_complete(QEMUFile *f, void *opaque)
{
    int bytes_sent;
409

410
411
412
    memory_global_sync_dirty_bitmap(get_system_memory());

    /* try transferring iterative blocks of memory */
Orit Wasserman's avatar
Orit Wasserman committed
413

414
415
416
    /* flush all remaining blocks regardless of rate limiting */
    while ((bytes_sent = ram_save_block(f)) != 0) {
        bytes_transferred += bytes_sent;
417
    }
418
419
420
421
    memory_global_dirty_log_stop();

    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);

422
    return 0;
423
424
}

425
426
427
428
429
430
431
432
433
434
435
436
437
438
static inline void *host_from_stream_offset(QEMUFile *f,
                                            ram_addr_t offset,
                                            int flags)
{
    static RAMBlock *block = NULL;
    char id[256];
    uint8_t len;

    if (flags & RAM_SAVE_FLAG_CONTINUE) {
        if (!block) {
            fprintf(stderr, "Ack, bad migration stream!\n");
            return NULL;
        }

439
        return memory_region_get_ram_ptr(block->mr) + offset;
440
441
442
443
444
445
446
447
    }

    len = qemu_get_byte(f);
    qemu_get_buffer(f, (uint8_t *)id, len);
    id[len] = 0;

    QLIST_FOREACH(block, &ram_list.blocks, next) {
        if (!strncmp(id, block->idstr, sizeof(id)))
448
            return memory_region_get_ram_ptr(block->mr) + offset;
449
450
451
452
453
454
    }

    fprintf(stderr, "Can't find block %s!\n", id);
    return NULL;
}

455
static int ram_load(QEMUFile *f, void *opaque, int version_id)
456
457
{
    ram_addr_t addr;
Orit Wasserman's avatar
Orit Wasserman committed
458
    int flags, ret = 0;
459
    int error;
Orit Wasserman's avatar
Orit Wasserman committed
460
461
462
    static uint64_t seq_iter;

    seq_iter++;
463

464
    if (version_id < 4 || version_id > 4) {
465
466
467
468
469
470
471
472
473
474
        return -EINVAL;
    }

    do {
        addr = qemu_get_be64(f);

        flags = addr & ~TARGET_PAGE_MASK;
        addr &= TARGET_PAGE_MASK;

        if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
475
            if (version_id == 4) {
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
                /* Synchronize RAM block list */
                char id[256];
                ram_addr_t length;
                ram_addr_t total_ram_bytes = addr;

                while (total_ram_bytes) {
                    RAMBlock *block;
                    uint8_t len;

                    len = qemu_get_byte(f);
                    qemu_get_buffer(f, (uint8_t *)id, len);
                    id[len] = 0;
                    length = qemu_get_be64(f);

                    QLIST_FOREACH(block, &ram_list.blocks, next) {
                        if (!strncmp(id, block->idstr, sizeof(id))) {
Orit Wasserman's avatar
Orit Wasserman committed
492
493
494
495
                            if (block->length != length) {
                                ret =  -EINVAL;
                                goto done;
                            }
496
497
498
499
500
                            break;
                        }
                    }

                    if (!block) {
501
502
                        fprintf(stderr, "Unknown ramblock \"%s\", cannot "
                                "accept migration\n", id);
Orit Wasserman's avatar
Orit Wasserman committed
503
504
                        ret = -EINVAL;
                        goto done;
505
506
507
508
                    }

                    total_ram_bytes -= length;
                }
509
510
511
512
            }
        }

        if (flags & RAM_SAVE_FLAG_COMPRESS) {
513
514
515
            void *host;
            uint8_t ch;

516
            host = host_from_stream_offset(f, addr, flags);
517
518
519
            if (!host) {
                return -EINVAL;
            }
520
521
522

            ch = qemu_get_byte(f);
            memset(host, ch, TARGET_PAGE_SIZE);
523
524
525
#ifndef _WIN32
            if (ch == 0 &&
                (!kvm_enabled() || kvm_has_sync_mmu())) {
Andreas Färber's avatar
Andreas Färber committed
526
                qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
527
528
529
            }
#endif
        } else if (flags & RAM_SAVE_FLAG_PAGE) {
530
531
            void *host;

532
            host = host_from_stream_offset(f, addr, flags);
533
534
535
            if (!host) {
                return -EINVAL;
            }
536
537

            qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
538
        }
539
540
        error = qemu_file_get_error(f);
        if (error) {
Orit Wasserman's avatar
Orit Wasserman committed
541
542
            ret = error;
            goto done;
543
544
545
        }
    } while (!(flags & RAM_SAVE_FLAG_EOS));

Orit Wasserman's avatar
Orit Wasserman committed
546
547
548
549
done:
    DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64 "\n",
            ret, seq_iter);
    return ret;
550
551
}

552
SaveVMHandlers savevm_ram_handlers = {
553
    .save_live_setup = ram_save_setup,
554
555
    .save_live_iterate = ram_save_iterate,
    .save_live_complete = ram_save_complete,
556
    .load_state = ram_load,
557
    .cancel = ram_migration_cancel,
558
559
};

560
#ifdef HAS_AUDIO
561
562
563
564
565
566
struct soundhw {
    const char *name;
    const char *descr;
    int enabled;
    int isa;
    union {
567
        int (*init_isa) (ISABus *bus);
568
569
570
571
572
        int (*init_pci) (PCIBus *bus);
    } init;
};

static struct soundhw soundhw[] = {
573
#ifdef HAS_AUDIO_CHOICE
574
#ifdef CONFIG_PCSPK
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
    {
        "pcspk",
        "PC speaker",
        0,
        1,
        { .init_isa = pcspk_audio_init }
    },
#endif

#ifdef CONFIG_SB16
    {
        "sb16",
        "Creative Sound Blaster 16",
        0,
        1,
        { .init_isa = SB16_init }
    },
#endif

#ifdef CONFIG_CS4231A
    {
        "cs4231a",
        "CS4231A",
        0,
        1,
        { .init_isa = cs4231a_init }
    },
#endif

#ifdef CONFIG_ADLIB
    {
        "adlib",
#ifdef HAS_YMF262
        "Yamaha YMF262 (OPL3)",
#else
        "Yamaha YM3812 (OPL2)",
#endif
        0,
        1,
        { .init_isa = Adlib_init }
    },
#endif

#ifdef CONFIG_GUS
    {
        "gus",
        "Gravis Ultrasound GF1",
        0,
        1,
        { .init_isa = GUS_init }
    },
#endif

#ifdef CONFIG_AC97
    {
        "ac97",
        "Intel 82801AA AC97 Audio",
        0,
        0,
        { .init_pci = ac97_init }
    },
#endif

#ifdef CONFIG_ES1370
    {
        "es1370",
        "ENSONIQ AudioPCI ES1370",
        0,
        0,
        { .init_pci = es1370_init }
    },
#endif

648
649
650
651
652
653
654
655
656
657
#ifdef CONFIG_HDA
    {
        "hda",
        "Intel HD Audio",
        0,
        0,
        { .init_pci = intel_hda_and_codec_init }
    },
#endif

658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
#endif /* HAS_AUDIO_CHOICE */

    { NULL, NULL, 0, 0, { NULL } }
};

void select_soundhw(const char *optarg)
{
    struct soundhw *c;

    if (*optarg == '?') {
    show_valid_cards:

        printf("Valid sound card names (comma separated):\n");
        for (c = soundhw; c->name; ++c) {
            printf ("%-11s %s\n", c->name, c->descr);
        }
        printf("\n-soundhw all will enable all of the above\n");
        exit(*optarg != '?');
    }
    else {
        size_t l;
        const char *p;
        char *e;
        int bad_card = 0;

        if (!strcmp(optarg, "all")) {
            for (c = soundhw; c->name; ++c) {
                c->enabled = 1;
            }
            return;
        }

        p = optarg;
        while (*p) {
            e = strchr(p, ',');
            l = !e ? strlen(p) : (size_t) (e - p);

            for (c = soundhw; c->name; ++c) {
                if (!strncmp(c->name, p, l) && !c->name[l]) {
                    c->enabled = 1;
                    break;
                }
            }

            if (!c->name) {
                if (l > 80) {
                    fprintf(stderr,
                            "Unknown sound card name (too big to show)\n");
                }
                else {
                    fprintf(stderr, "Unknown sound card name `%.*s'\n",
                            (int) l, p);
                }
                bad_card = 1;
            }
            p += l + (e != NULL);
        }

        if (bad_card) {
            goto show_valid_cards;
        }
    }
}
721

722
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
723
724
725
726
727
728
{
    struct soundhw *c;

    for (c = soundhw; c->name; ++c) {
        if (c->enabled) {
            if (c->isa) {
729
730
                if (isa_bus) {
                    c->init.init_isa(isa_bus);
731
732
733
734
735
736
737
738
739
                }
            } else {
                if (pci_bus) {
                    c->init.init_pci(pci_bus);
                }
            }
        }
    }
}
740
741
742
743
#else
void select_soundhw(const char *optarg)
{
}
744
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
745
746
{
}
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
#endif

int qemu_uuid_parse(const char *str, uint8_t *uuid)
{
    int ret;

    if (strlen(str) != 36) {
        return -1;
    }

    ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
                 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
                 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
                 &uuid[15]);

    if (ret != 16) {
        return -1;
    }
#ifdef TARGET_I386
    smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
#endif
    return 0;
}

void do_acpitable_option(const char *optarg)
{
#ifdef TARGET_I386
    if (acpi_table_add(optarg) < 0) {
        fprintf(stderr, "Wrong acpi table provided\n");
        exit(1);
    }
#endif
}

void do_smbios_option(const char *optarg)
{
#ifdef TARGET_I386
    if (smbios_entry_add(optarg) < 0) {
        fprintf(stderr, "Wrong smbios provided\n");
        exit(1);
    }
#endif
}

void cpudef_init(void)
{
#if defined(cpudef_setup)
    cpudef_setup(); /* parse cpu definitions in target config file */
#endif
}

int audio_available(void)
{
#ifdef HAS_AUDIO
    return 1;
#else
    return 0;
#endif
}

807
808
809
810
811
int tcg_available(void)
{
    return 1;
}

812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
int kvm_available(void)
{
#ifdef CONFIG_KVM
    return 1;
#else
    return 0;
#endif
}

int xen_available(void)
{
#ifdef CONFIG_XEN
    return 1;
#else
    return 0;
#endif
}