arch_init.c 17.8 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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67

#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
68
69
#elif defined(TARGET_LM32)
#define QEMU_ARCH QEMU_ARCH_LM32
70
71
72
73
74
75
76
77
78
79
80
81
#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
82
83
#elif defined(TARGET_XTENSA)
#define QEMU_ARCH QEMU_ARCH_XTENSA
84
85
86
87
88
89
90
#endif

const uint32_t arch_type = QEMU_ARCH;

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

91
92
93
94
95
96
#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
97

Paolo Bonzini's avatar
Paolo Bonzini committed
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
#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)
#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

114
115
116
117
118
119
120
121
122
123

int qemu_read_default_config_files(void)
{
    int ret;
    
    ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
    if (ret < 0 && ret != -ENOENT) {
        return ret;
    }

124
    ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf");
125
126
127
128
129
130
131
    if (ret < 0 && ret != -ENOENT) {
        return ret;
    }

    return 0;
}

Paolo Bonzini's avatar
Paolo Bonzini committed
132
static int is_dup_page(uint8_t *page)
133
{
Paolo Bonzini's avatar
Paolo Bonzini committed
134
135
    VECTYPE *p = (VECTYPE *)page;
    VECTYPE val = SPLAT(page);
136
137
    int i;

Paolo Bonzini's avatar
Paolo Bonzini committed
138
139
    for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
        if (!ALL_EQ(val, p[i])) {
140
141
142
143
144
145
146
            return 0;
        }
    }

    return 1;
}

147
148
149
static RAMBlock *last_block;
static ram_addr_t last_offset;

150
151
static int ram_save_block(QEMUFile *f)
{
152
153
    RAMBlock *block = last_block;
    ram_addr_t offset = last_offset;
154
    int bytes_sent = 0;
Avi Kivity's avatar
Avi Kivity committed
155
    MemoryRegion *mr;
156

157
158
159
160
    if (!block)
        block = QLIST_FIRST(&ram_list.blocks);

    do {
Avi Kivity's avatar
Avi Kivity committed
161
        mr = block->mr;
162
163
        if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
                                    DIRTY_MEMORY_MIGRATION)) {
164
            uint8_t *p;
165
            int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
166

Avi Kivity's avatar
Avi Kivity committed
167
168
            memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
                                      DIRTY_MEMORY_MIGRATION);
169

Avi Kivity's avatar
Avi Kivity committed
170
            p = memory_region_get_ram_ptr(mr) + offset;
171

Paolo Bonzini's avatar
Paolo Bonzini committed
172
            if (is_dup_page(p)) {
173
174
175
176
177
178
                qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
                if (!cont) {
                    qemu_put_byte(f, strlen(block->idstr));
                    qemu_put_buffer(f, (uint8_t *)block->idstr,
                                    strlen(block->idstr));
                }
179
                qemu_put_byte(f, *p);
180
                bytes_sent = 1;
181
            } else {
182
183
184
185
186
187
                qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
                if (!cont) {
                    qemu_put_byte(f, strlen(block->idstr));
                    qemu_put_buffer(f, (uint8_t *)block->idstr,
                                    strlen(block->idstr));
                }
188
                qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
189
                bytes_sent = TARGET_PAGE_SIZE;
190
191
192
193
            }

            break;
        }
194
195
196
197
198
199
200
201

        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
202
    } while (block != last_block || offset != last_offset);
203
204
205

    last_block = block;
    last_offset = offset;
206

207
    return bytes_sent;
208
209
210
211
212
213
}

static uint64_t bytes_transferred;

static ram_addr_t ram_save_remaining(void)
{
214
    RAMBlock *block;
215
216
    ram_addr_t count = 0;

217
218
    QLIST_FOREACH(block, &ram_list.blocks, next) {
        ram_addr_t addr;
Avi Kivity's avatar
Avi Kivity committed
219
        for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
220
            if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
Avi Kivity's avatar
Avi Kivity committed
221
                                        DIRTY_MEMORY_MIGRATION)) {
222
223
                count++;
            }
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
        }
    }

    return count;
}

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)
{
242
243
244
245
246
247
248
    RAMBlock *block;
    uint64_t total = 0;

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

    return total;
249
250
}

251
252
253
254
static int block_compar(const void *a, const void *b)
{
    RAMBlock * const *ablock = a;
    RAMBlock * const *bblock = b;
255
256

    return strcmp((*ablock)->idstr, (*bblock)->idstr);
257
258
259
260
261
262
263
264
265
266
}

static void sort_ram_list(void)
{
    RAMBlock *block, *nblock, **blocks;
    int n;
    n = 0;
    QLIST_FOREACH(block, &ram_list.blocks, next) {
        ++n;
    }
267
    blocks = g_malloc(n * sizeof *blocks);
268
269
270
271
272
273
274
275
276
    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);
    }
277
    g_free(blocks);
278
279
}

280
int ram_save_live(QEMUFile *f, int stage, void *opaque)
281
282
283
284
285
{
    ram_addr_t addr;
    uint64_t bytes_transferred_last;
    double bwidth = 0;
    uint64_t expected_time = 0;
286
    int ret;
287
288

    if (stage < 0) {
289
        memory_global_dirty_log_stop();
290
291
292
        return 0;
    }

293
    memory_global_sync_dirty_bitmap(get_system_memory());
294
295

    if (stage == 1) {
296
        RAMBlock *block;
297
        bytes_transferred = 0;
298
299
        last_block = NULL;
        last_offset = 0;
300
        sort_ram_list();
301
302

        /* Make sure all dirty bits are set */
303
        QLIST_FOREACH(block, &ram_list.blocks, next) {
Avi Kivity's avatar
Avi Kivity committed
304
            for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
305
                if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
Avi Kivity's avatar
Avi Kivity committed
306
                                             DIRTY_MEMORY_MIGRATION)) {
307
                    memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
308
                }
309
310
311
            }
        }

312
        memory_global_dirty_log_start();
313

314
        qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
315
316
317
318
319
320

        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);
        }
321
322
323
324
325
    }

    bytes_transferred_last = bytes_transferred;
    bwidth = qemu_get_clock_ns(rt_clock);

326
    while ((ret = qemu_file_rate_limit(f)) == 0) {
327
        int bytes_sent;
328

329
330
331
        bytes_sent = ram_save_block(f);
        bytes_transferred += bytes_sent;
        if (bytes_sent == 0) { /* no more blocks */
332
333
334
335
            break;
        }
    }

336
337
338
339
    if (ret < 0) {
        return ret;
    }

340
341
342
343
344
345
346
347
348
349
350
    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;
    }

    /* try transferring iterative blocks of memory */
    if (stage == 3) {
351
352
        int bytes_sent;

353
        /* flush all remaining blocks regardless of rate limiting */
354
355
        while ((bytes_sent = ram_save_block(f)) != 0) {
            bytes_transferred += bytes_sent;
356
        }
357
        memory_global_dirty_log_stop();
358
359
360
361
362
363
364
365
366
    }

    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);

    expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;

    return (stage == 2) && (expected_time <= migrate_max_downtime());
}

367
368
369
370
371
372
373
374
375
376
377
378
379
380
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;
        }

381
        return memory_region_get_ram_ptr(block->mr) + offset;
382
383
384
385
386
387
388
389
    }

    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)))
390
            return memory_region_get_ram_ptr(block->mr) + offset;
391
392
393
394
395
396
    }

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

397
398
399
400
int ram_load(QEMUFile *f, void *opaque, int version_id)
{
    ram_addr_t addr;
    int flags;
401
    int error;
402

403
    if (version_id < 4 || version_id > 4) {
404
405
406
407
408
409
410
411
412
413
        return -EINVAL;
    }

    do {
        addr = qemu_get_be64(f);

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

        if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
414
            if (version_id == 4) {
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
                /* 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))) {
                            if (block->length != length)
                                return -EINVAL;
                            break;
                        }
                    }

                    if (!block) {
438
439
440
                        fprintf(stderr, "Unknown ramblock \"%s\", cannot "
                                "accept migration\n", id);
                        return -EINVAL;
441
442
443
444
                    }

                    total_ram_bytes -= length;
                }
445
446
447
448
            }
        }

        if (flags & RAM_SAVE_FLAG_COMPRESS) {
449
450
451
            void *host;
            uint8_t ch;

452
            host = host_from_stream_offset(f, addr, flags);
453
454
455
            if (!host) {
                return -EINVAL;
            }
456
457
458

            ch = qemu_get_byte(f);
            memset(host, ch, TARGET_PAGE_SIZE);
459
460
461
#ifndef _WIN32
            if (ch == 0 &&
                (!kvm_enabled() || kvm_has_sync_mmu())) {
Andreas Färber's avatar
Andreas Färber committed
462
                qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
463
464
465
            }
#endif
        } else if (flags & RAM_SAVE_FLAG_PAGE) {
466
467
            void *host;

468
            host = host_from_stream_offset(f, addr, flags);
469
470

            qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
471
        }
472
473
474
        error = qemu_file_get_error(f);
        if (error) {
            return error;
475
476
477
478
479
480
481
        }
    } while (!(flags & RAM_SAVE_FLAG_EOS));

    return 0;
}

#ifdef HAS_AUDIO
482
483
484
485
486
487
struct soundhw {
    const char *name;
    const char *descr;
    int enabled;
    int isa;
    union {
488
        int (*init_isa) (ISABus *bus);
489
490
491
492
493
        int (*init_pci) (PCIBus *bus);
    } init;
};

static struct soundhw soundhw[] = {
494
#ifdef HAS_AUDIO_CHOICE
495
#ifdef CONFIG_PCSPK
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
    {
        "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

569
570
571
572
573
574
575
576
577
578
#ifdef CONFIG_HDA
    {
        "hda",
        "Intel HD Audio",
        0,
        0,
        { .init_pci = intel_hda_and_codec_init }
    },
#endif

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
#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;
        }
    }
}
642

643
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
644
645
646
647
648
649
{
    struct soundhw *c;

    for (c = soundhw; c->name; ++c) {
        if (c->enabled) {
            if (c->isa) {
650
651
                if (isa_bus) {
                    c->init.init_isa(isa_bus);
652
653
654
655
656
657
658
659
660
                }
            } else {
                if (pci_bus) {
                    c->init.init_pci(pci_bus);
                }
            }
        }
    }
}
661
662
663
664
#else
void select_soundhw(const char *optarg)
{
}
665
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
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
721
722
723
724
725
726
727
#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
}

728
729
730
731
732
int tcg_available(void)
{
    return 1;
}

733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
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
}