Statistics
| Branch: | Revision:

root / arch_init.c @ e2d87bff

History | View | Annotate | Download (18.3 kB)

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 TARGET_SPARC
48
int graphic_width = 1024;
49
int graphic_height = 768;
50
int graphic_depth = 8;
51
#else
52
int graphic_width = 800;
53
int graphic_height = 600;
54
int graphic_depth = 15;
55
#endif
56

    
57

    
58
#if defined(TARGET_ALPHA)
59
#define QEMU_ARCH QEMU_ARCH_ALPHA
60
#elif defined(TARGET_ARM)
61
#define QEMU_ARCH QEMU_ARCH_ARM
62
#elif defined(TARGET_CRIS)
63
#define QEMU_ARCH QEMU_ARCH_CRIS
64
#elif defined(TARGET_I386)
65
#define QEMU_ARCH QEMU_ARCH_I386
66
#elif defined(TARGET_M68K)
67
#define QEMU_ARCH QEMU_ARCH_M68K
68
#elif defined(TARGET_LM32)
69
#define QEMU_ARCH QEMU_ARCH_LM32
70
#elif defined(TARGET_MICROBLAZE)
71
#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
72
#elif defined(TARGET_MIPS)
73
#define QEMU_ARCH QEMU_ARCH_MIPS
74
#elif defined(TARGET_PPC)
75
#define QEMU_ARCH QEMU_ARCH_PPC
76
#elif defined(TARGET_S390X)
77
#define QEMU_ARCH QEMU_ARCH_S390X
78
#elif defined(TARGET_SH4)
79
#define QEMU_ARCH QEMU_ARCH_SH4
80
#elif defined(TARGET_SPARC)
81
#define QEMU_ARCH QEMU_ARCH_SPARC
82
#elif defined(TARGET_XTENSA)
83
#define QEMU_ARCH QEMU_ARCH_XTENSA
84
#endif
85

    
86
const uint32_t arch_type = QEMU_ARCH;
87

    
88
/***********************************************************/
89
/* ram save/restore */
90

    
91
#define RAM_SAVE_FLAG_FULL     0x01 /* Obsolete, not used anymore */
92
#define RAM_SAVE_FLAG_COMPRESS 0x02
93
#define RAM_SAVE_FLAG_MEM_SIZE 0x04
94
#define RAM_SAVE_FLAG_PAGE     0x08
95
#define RAM_SAVE_FLAG_EOS      0x10
96
#define RAM_SAVE_FLAG_CONTINUE 0x20
97

    
98
#ifdef __ALTIVEC__
99
#include <altivec.h>
100
#define VECTYPE        vector unsigned char
101
#define SPLAT(p)       vec_splat(vec_ld(0, p), 0)
102
#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
103
#elif defined __SSE2__
104
#include <emmintrin.h>
105
#define VECTYPE        __m128i
106
#define SPLAT(p)       _mm_set1_epi8(*(p))
107
#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
108
#else
109
#define VECTYPE        unsigned long
110
#define SPLAT(p)       (*(p) * (~0UL / 255))
111
#define ALL_EQ(v1, v2) ((v1) == (v2))
112
#endif
113

    
114

    
115
static struct defconfig_file {
116
    const char *filename;
117
    /* Indicates it is an user config file (disabled by -no-user-config) */
118
    bool userconfig;
119
} default_config_files[] = {
120
    { CONFIG_QEMU_DATADIR "/cpus-" TARGET_ARCH ".conf",  false },
121
    { CONFIG_QEMU_CONFDIR "/qemu.conf",                   true },
122
    { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
123
    { NULL }, /* end of list */
124
};
125

    
126

    
127
int qemu_read_default_config_files(bool userconfig)
128
{
129
    int ret;
130
    struct defconfig_file *f;
131

    
132
    for (f = default_config_files; f->filename; f++) {
133
        if (!userconfig && f->userconfig) {
134
            continue;
135
        }
136
        ret = qemu_read_config_file(f->filename);
137
        if (ret < 0 && ret != -ENOENT) {
138
            return ret;
139
        }
140
    }
141
    
142
    return 0;
143
}
144

    
145
static int is_dup_page(uint8_t *page)
146
{
147
    VECTYPE *p = (VECTYPE *)page;
148
    VECTYPE val = SPLAT(page);
149
    int i;
150

    
151
    for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
152
        if (!ALL_EQ(val, p[i])) {
153
            return 0;
154
        }
155
    }
156

    
157
    return 1;
158
}
159

    
160
static RAMBlock *last_block;
161
static ram_addr_t last_offset;
162

    
163
static int ram_save_block(QEMUFile *f)
164
{
165
    RAMBlock *block = last_block;
166
    ram_addr_t offset = last_offset;
167
    int bytes_sent = 0;
168
    MemoryRegion *mr;
169

    
170
    if (!block)
171
        block = QLIST_FIRST(&ram_list.blocks);
172

    
173
    do {
174
        mr = block->mr;
175
        if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
176
                                    DIRTY_MEMORY_MIGRATION)) {
177
            uint8_t *p;
178
            int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
179

    
180
            memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
181
                                      DIRTY_MEMORY_MIGRATION);
182

    
183
            p = memory_region_get_ram_ptr(mr) + offset;
184

    
185
            if (is_dup_page(p)) {
186
                qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
187
                if (!cont) {
188
                    qemu_put_byte(f, strlen(block->idstr));
189
                    qemu_put_buffer(f, (uint8_t *)block->idstr,
190
                                    strlen(block->idstr));
191
                }
192
                qemu_put_byte(f, *p);
193
                bytes_sent = 1;
194
            } else {
195
                qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
196
                if (!cont) {
197
                    qemu_put_byte(f, strlen(block->idstr));
198
                    qemu_put_buffer(f, (uint8_t *)block->idstr,
199
                                    strlen(block->idstr));
200
                }
201
                qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
202
                bytes_sent = TARGET_PAGE_SIZE;
203
            }
204

    
205
            break;
206
        }
207

    
208
        offset += TARGET_PAGE_SIZE;
209
        if (offset >= block->length) {
210
            offset = 0;
211
            block = QLIST_NEXT(block, next);
212
            if (!block)
213
                block = QLIST_FIRST(&ram_list.blocks);
214
        }
215
    } while (block != last_block || offset != last_offset);
216

    
217
    last_block = block;
218
    last_offset = offset;
219

    
220
    return bytes_sent;
221
}
222

    
223
static uint64_t bytes_transferred;
224

    
225
static ram_addr_t ram_save_remaining(void)
226
{
227
    RAMBlock *block;
228
    ram_addr_t count = 0;
229

    
230
    QLIST_FOREACH(block, &ram_list.blocks, next) {
231
        ram_addr_t addr;
232
        for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
233
            if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
234
                                        DIRTY_MEMORY_MIGRATION)) {
235
                count++;
236
            }
237
        }
238
    }
239

    
240
    return count;
241
}
242

    
243
uint64_t ram_bytes_remaining(void)
244
{
245
    return ram_save_remaining() * TARGET_PAGE_SIZE;
246
}
247

    
248
uint64_t ram_bytes_transferred(void)
249
{
250
    return bytes_transferred;
251
}
252

    
253
uint64_t ram_bytes_total(void)
254
{
255
    RAMBlock *block;
256
    uint64_t total = 0;
257

    
258
    QLIST_FOREACH(block, &ram_list.blocks, next)
259
        total += block->length;
260

    
261
    return total;
262
}
263

    
264
static int block_compar(const void *a, const void *b)
265
{
266
    RAMBlock * const *ablock = a;
267
    RAMBlock * const *bblock = b;
268

    
269
    return strcmp((*ablock)->idstr, (*bblock)->idstr);
270
}
271

    
272
static void sort_ram_list(void)
273
{
274
    RAMBlock *block, *nblock, **blocks;
275
    int n;
276
    n = 0;
277
    QLIST_FOREACH(block, &ram_list.blocks, next) {
278
        ++n;
279
    }
280
    blocks = g_malloc(n * sizeof *blocks);
281
    n = 0;
282
    QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
283
        blocks[n++] = block;
284
        QLIST_REMOVE(block, next);
285
    }
286
    qsort(blocks, n, sizeof *blocks, block_compar);
287
    while (--n >= 0) {
288
        QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
289
    }
290
    g_free(blocks);
291
}
292

    
293
int ram_save_live(QEMUFile *f, int stage, void *opaque)
294
{
295
    ram_addr_t addr;
296
    uint64_t bytes_transferred_last;
297
    double bwidth = 0;
298
    uint64_t expected_time = 0;
299
    int ret;
300

    
301
    if (stage < 0) {
302
        memory_global_dirty_log_stop();
303
        return 0;
304
    }
305

    
306
    memory_global_sync_dirty_bitmap(get_system_memory());
307

    
308
    if (stage == 1) {
309
        RAMBlock *block;
310
        bytes_transferred = 0;
311
        last_block = NULL;
312
        last_offset = 0;
313
        sort_ram_list();
314

    
315
        /* Make sure all dirty bits are set */
316
        QLIST_FOREACH(block, &ram_list.blocks, next) {
317
            for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
318
                if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
319
                                             DIRTY_MEMORY_MIGRATION)) {
320
                    memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
321
                }
322
            }
323
        }
324

    
325
        memory_global_dirty_log_start();
326

    
327
        qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
328

    
329
        QLIST_FOREACH(block, &ram_list.blocks, next) {
330
            qemu_put_byte(f, strlen(block->idstr));
331
            qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
332
            qemu_put_be64(f, block->length);
333
        }
334
    }
335

    
336
    bytes_transferred_last = bytes_transferred;
337
    bwidth = qemu_get_clock_ns(rt_clock);
338

    
339
    while ((ret = qemu_file_rate_limit(f)) == 0) {
340
        int bytes_sent;
341

    
342
        bytes_sent = ram_save_block(f);
343
        bytes_transferred += bytes_sent;
344
        if (bytes_sent == 0) { /* no more blocks */
345
            break;
346
        }
347
    }
348

    
349
    if (ret < 0) {
350
        return ret;
351
    }
352

    
353
    bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
354
    bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
355

    
356
    /* if we haven't transferred anything this round, force expected_time to a
357
     * a very high value, but without crashing */
358
    if (bwidth == 0) {
359
        bwidth = 0.000001;
360
    }
361

    
362
    /* try transferring iterative blocks of memory */
363
    if (stage == 3) {
364
        int bytes_sent;
365

    
366
        /* flush all remaining blocks regardless of rate limiting */
367
        while ((bytes_sent = ram_save_block(f)) != 0) {
368
            bytes_transferred += bytes_sent;
369
        }
370
        memory_global_dirty_log_stop();
371
    }
372

    
373
    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
374

    
375
    expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
376

    
377
    return (stage == 2) && (expected_time <= migrate_max_downtime());
378
}
379

    
380
static inline void *host_from_stream_offset(QEMUFile *f,
381
                                            ram_addr_t offset,
382
                                            int flags)
383
{
384
    static RAMBlock *block = NULL;
385
    char id[256];
386
    uint8_t len;
387

    
388
    if (flags & RAM_SAVE_FLAG_CONTINUE) {
389
        if (!block) {
390
            fprintf(stderr, "Ack, bad migration stream!\n");
391
            return NULL;
392
        }
393

    
394
        return memory_region_get_ram_ptr(block->mr) + offset;
395
    }
396

    
397
    len = qemu_get_byte(f);
398
    qemu_get_buffer(f, (uint8_t *)id, len);
399
    id[len] = 0;
400

    
401
    QLIST_FOREACH(block, &ram_list.blocks, next) {
402
        if (!strncmp(id, block->idstr, sizeof(id)))
403
            return memory_region_get_ram_ptr(block->mr) + offset;
404
    }
405

    
406
    fprintf(stderr, "Can't find block %s!\n", id);
407
    return NULL;
408
}
409

    
410
int ram_load(QEMUFile *f, void *opaque, int version_id)
411
{
412
    ram_addr_t addr;
413
    int flags;
414
    int error;
415

    
416
    if (version_id < 4 || version_id > 4) {
417
        return -EINVAL;
418
    }
419

    
420
    do {
421
        addr = qemu_get_be64(f);
422

    
423
        flags = addr & ~TARGET_PAGE_MASK;
424
        addr &= TARGET_PAGE_MASK;
425

    
426
        if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
427
            if (version_id == 4) {
428
                /* Synchronize RAM block list */
429
                char id[256];
430
                ram_addr_t length;
431
                ram_addr_t total_ram_bytes = addr;
432

    
433
                while (total_ram_bytes) {
434
                    RAMBlock *block;
435
                    uint8_t len;
436

    
437
                    len = qemu_get_byte(f);
438
                    qemu_get_buffer(f, (uint8_t *)id, len);
439
                    id[len] = 0;
440
                    length = qemu_get_be64(f);
441

    
442
                    QLIST_FOREACH(block, &ram_list.blocks, next) {
443
                        if (!strncmp(id, block->idstr, sizeof(id))) {
444
                            if (block->length != length)
445
                                return -EINVAL;
446
                            break;
447
                        }
448
                    }
449

    
450
                    if (!block) {
451
                        fprintf(stderr, "Unknown ramblock \"%s\", cannot "
452
                                "accept migration\n", id);
453
                        return -EINVAL;
454
                    }
455

    
456
                    total_ram_bytes -= length;
457
                }
458
            }
459
        }
460

    
461
        if (flags & RAM_SAVE_FLAG_COMPRESS) {
462
            void *host;
463
            uint8_t ch;
464

    
465
            host = host_from_stream_offset(f, addr, flags);
466
            if (!host) {
467
                return -EINVAL;
468
            }
469

    
470
            ch = qemu_get_byte(f);
471
            memset(host, ch, TARGET_PAGE_SIZE);
472
#ifndef _WIN32
473
            if (ch == 0 &&
474
                (!kvm_enabled() || kvm_has_sync_mmu())) {
475
                qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
476
            }
477
#endif
478
        } else if (flags & RAM_SAVE_FLAG_PAGE) {
479
            void *host;
480

    
481
            host = host_from_stream_offset(f, addr, flags);
482

    
483
            qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
484
        }
485
        error = qemu_file_get_error(f);
486
        if (error) {
487
            return error;
488
        }
489
    } while (!(flags & RAM_SAVE_FLAG_EOS));
490

    
491
    return 0;
492
}
493

    
494
#ifdef HAS_AUDIO
495
struct soundhw {
496
    const char *name;
497
    const char *descr;
498
    int enabled;
499
    int isa;
500
    union {
501
        int (*init_isa) (ISABus *bus);
502
        int (*init_pci) (PCIBus *bus);
503
    } init;
504
};
505

    
506
static struct soundhw soundhw[] = {
507
#ifdef HAS_AUDIO_CHOICE
508
#ifdef CONFIG_PCSPK
509
    {
510
        "pcspk",
511
        "PC speaker",
512
        0,
513
        1,
514
        { .init_isa = pcspk_audio_init }
515
    },
516
#endif
517

    
518
#ifdef CONFIG_SB16
519
    {
520
        "sb16",
521
        "Creative Sound Blaster 16",
522
        0,
523
        1,
524
        { .init_isa = SB16_init }
525
    },
526
#endif
527

    
528
#ifdef CONFIG_CS4231A
529
    {
530
        "cs4231a",
531
        "CS4231A",
532
        0,
533
        1,
534
        { .init_isa = cs4231a_init }
535
    },
536
#endif
537

    
538
#ifdef CONFIG_ADLIB
539
    {
540
        "adlib",
541
#ifdef HAS_YMF262
542
        "Yamaha YMF262 (OPL3)",
543
#else
544
        "Yamaha YM3812 (OPL2)",
545
#endif
546
        0,
547
        1,
548
        { .init_isa = Adlib_init }
549
    },
550
#endif
551

    
552
#ifdef CONFIG_GUS
553
    {
554
        "gus",
555
        "Gravis Ultrasound GF1",
556
        0,
557
        1,
558
        { .init_isa = GUS_init }
559
    },
560
#endif
561

    
562
#ifdef CONFIG_AC97
563
    {
564
        "ac97",
565
        "Intel 82801AA AC97 Audio",
566
        0,
567
        0,
568
        { .init_pci = ac97_init }
569
    },
570
#endif
571

    
572
#ifdef CONFIG_ES1370
573
    {
574
        "es1370",
575
        "ENSONIQ AudioPCI ES1370",
576
        0,
577
        0,
578
        { .init_pci = es1370_init }
579
    },
580
#endif
581

    
582
#ifdef CONFIG_HDA
583
    {
584
        "hda",
585
        "Intel HD Audio",
586
        0,
587
        0,
588
        { .init_pci = intel_hda_and_codec_init }
589
    },
590
#endif
591

    
592
#endif /* HAS_AUDIO_CHOICE */
593

    
594
    { NULL, NULL, 0, 0, { NULL } }
595
};
596

    
597
void select_soundhw(const char *optarg)
598
{
599
    struct soundhw *c;
600

    
601
    if (*optarg == '?') {
602
    show_valid_cards:
603

    
604
        printf("Valid sound card names (comma separated):\n");
605
        for (c = soundhw; c->name; ++c) {
606
            printf ("%-11s %s\n", c->name, c->descr);
607
        }
608
        printf("\n-soundhw all will enable all of the above\n");
609
        exit(*optarg != '?');
610
    }
611
    else {
612
        size_t l;
613
        const char *p;
614
        char *e;
615
        int bad_card = 0;
616

    
617
        if (!strcmp(optarg, "all")) {
618
            for (c = soundhw; c->name; ++c) {
619
                c->enabled = 1;
620
            }
621
            return;
622
        }
623

    
624
        p = optarg;
625
        while (*p) {
626
            e = strchr(p, ',');
627
            l = !e ? strlen(p) : (size_t) (e - p);
628

    
629
            for (c = soundhw; c->name; ++c) {
630
                if (!strncmp(c->name, p, l) && !c->name[l]) {
631
                    c->enabled = 1;
632
                    break;
633
                }
634
            }
635

    
636
            if (!c->name) {
637
                if (l > 80) {
638
                    fprintf(stderr,
639
                            "Unknown sound card name (too big to show)\n");
640
                }
641
                else {
642
                    fprintf(stderr, "Unknown sound card name `%.*s'\n",
643
                            (int) l, p);
644
                }
645
                bad_card = 1;
646
            }
647
            p += l + (e != NULL);
648
        }
649

    
650
        if (bad_card) {
651
            goto show_valid_cards;
652
        }
653
    }
654
}
655

    
656
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
657
{
658
    struct soundhw *c;
659

    
660
    for (c = soundhw; c->name; ++c) {
661
        if (c->enabled) {
662
            if (c->isa) {
663
                if (isa_bus) {
664
                    c->init.init_isa(isa_bus);
665
                }
666
            } else {
667
                if (pci_bus) {
668
                    c->init.init_pci(pci_bus);
669
                }
670
            }
671
        }
672
    }
673
}
674
#else
675
void select_soundhw(const char *optarg)
676
{
677
}
678
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
679
{
680
}
681
#endif
682

    
683
int qemu_uuid_parse(const char *str, uint8_t *uuid)
684
{
685
    int ret;
686

    
687
    if (strlen(str) != 36) {
688
        return -1;
689
    }
690

    
691
    ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
692
                 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
693
                 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
694
                 &uuid[15]);
695

    
696
    if (ret != 16) {
697
        return -1;
698
    }
699
#ifdef TARGET_I386
700
    smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
701
#endif
702
    return 0;
703
}
704

    
705
void do_acpitable_option(const char *optarg)
706
{
707
#ifdef TARGET_I386
708
    if (acpi_table_add(optarg) < 0) {
709
        fprintf(stderr, "Wrong acpi table provided\n");
710
        exit(1);
711
    }
712
#endif
713
}
714

    
715
void do_smbios_option(const char *optarg)
716
{
717
#ifdef TARGET_I386
718
    if (smbios_entry_add(optarg) < 0) {
719
        fprintf(stderr, "Wrong smbios provided\n");
720
        exit(1);
721
    }
722
#endif
723
}
724

    
725
void cpudef_init(void)
726
{
727
#if defined(cpudef_setup)
728
    cpudef_setup(); /* parse cpu definitions in target config file */
729
#endif
730
}
731

    
732
int audio_available(void)
733
{
734
#ifdef HAS_AUDIO
735
    return 1;
736
#else
737
    return 0;
738
#endif
739
}
740

    
741
int tcg_available(void)
742
{
743
    return 1;
744
}
745

    
746
int kvm_available(void)
747
{
748
#ifdef CONFIG_KVM
749
    return 1;
750
#else
751
    return 0;
752
#endif
753
}
754

    
755
int xen_available(void)
756
{
757
#ifdef CONFIG_XEN
758
    return 1;
759
#else
760
    return 0;
761
#endif
762
}