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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:
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 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
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 * 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 <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31

    
32
/* Needed early for CONFIG_BSD etc. */
33
#include "config-host.h"
34

    
35
#ifndef _WIN32
36
#include <libgen.h>
37
#include <sys/times.h>
38
#include <sys/wait.h>
39
#include <termios.h>
40
#include <sys/mman.h>
41
#include <sys/ioctl.h>
42
#include <sys/resource.h>
43
#include <sys/socket.h>
44
#include <netinet/in.h>
45
#include <net/if.h>
46
#include <arpa/inet.h>
47
#include <dirent.h>
48
#include <netdb.h>
49
#include <sys/select.h>
50
#ifdef CONFIG_SIMPLE_TRACE
51
#include "trace.h"
52
#endif
53

    
54
#ifdef CONFIG_BSD
55
#include <sys/stat.h>
56
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
57
#include <libutil.h>
58
#include <sys/sysctl.h>
59
#else
60
#include <util.h>
61
#endif
62
#else
63
#ifdef __linux__
64
#include <pty.h>
65
#include <malloc.h>
66

    
67
#include <linux/ppdev.h>
68
#include <linux/parport.h>
69
#endif
70
#ifdef __sun__
71
#include <sys/stat.h>
72
#include <sys/ethernet.h>
73
#include <sys/sockio.h>
74
#include <netinet/arp.h>
75
#include <netinet/in_systm.h>
76
#include <netinet/ip.h>
77
#include <netinet/ip_icmp.h> // must come after ip.h
78
#include <netinet/udp.h>
79
#include <netinet/tcp.h>
80
#include <net/if.h>
81
#include <syslog.h>
82
#include <stropts.h>
83
/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
84
   discussion about Solaris header problems */
85
extern int madvise(caddr_t, size_t, int);
86
#endif
87
#endif
88
#endif
89

    
90
#if defined(__OpenBSD__)
91
#include <util.h>
92
#endif
93

    
94
#if defined(CONFIG_VDE)
95
#include <libvdeplug.h>
96
#endif
97

    
98
#ifdef _WIN32
99
#include <windows.h>
100
#endif
101

    
102
#ifdef CONFIG_SDL
103
#if defined(__APPLE__) || defined(main)
104
#include <SDL.h>
105
int qemu_main(int argc, char **argv, char **envp);
106
int main(int argc, char **argv)
107
{
108
    return qemu_main(argc, argv, NULL);
109
}
110
#undef main
111
#define main qemu_main
112
#endif
113
#endif /* CONFIG_SDL */
114

    
115
#ifdef CONFIG_COCOA
116
#undef main
117
#define main qemu_main
118
#endif /* CONFIG_COCOA */
119

    
120
#include "hw/hw.h"
121
#include "hw/boards.h"
122
#include "hw/usb.h"
123
#include "hw/pcmcia.h"
124
#include "hw/pc.h"
125
#include "hw/isa.h"
126
#include "hw/baum.h"
127
#include "hw/bt.h"
128
#include "hw/watchdog.h"
129
#include "hw/smbios.h"
130
#include "hw/xen.h"
131
#include "hw/qdev.h"
132
#include "hw/loader.h"
133
#include "bt-host.h"
134
#include "net.h"
135
#include "net/slirp.h"
136
#include "monitor.h"
137
#include "console.h"
138
#include "sysemu.h"
139
#include "gdbstub.h"
140
#include "qemu-timer.h"
141
#include "qemu-char.h"
142
#include "cache-utils.h"
143
#include "block.h"
144
#include "blockdev.h"
145
#include "block-migration.h"
146
#include "dma.h"
147
#include "audio/audio.h"
148
#include "migration.h"
149
#include "kvm.h"
150
#include "qemu-option.h"
151
#include "qemu-config.h"
152
#include "qemu-objects.h"
153
#include "qemu-options.h"
154
#ifdef CONFIG_VIRTFS
155
#include "fsdev/qemu-fsdev.h"
156
#endif
157

    
158
#include "disas.h"
159

    
160
#include "qemu_socket.h"
161

    
162
#include "slirp/libslirp.h"
163

    
164
#include "qemu-queue.h"
165
#include "cpus.h"
166
#include "arch_init.h"
167

    
168
//#define DEBUG_NET
169
//#define DEBUG_SLIRP
170

    
171
#define DEFAULT_RAM_SIZE 128
172

    
173
#define MAX_VIRTIO_CONSOLES 1
174

    
175
static const char *data_dir;
176
const char *bios_name = NULL;
177
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
178
DisplayType display_type = DT_DEFAULT;
179
const char* keyboard_layout = NULL;
180
ram_addr_t ram_size;
181
const char *mem_path = NULL;
182
#ifdef MAP_POPULATE
183
int mem_prealloc = 0; /* force preallocation of physical target memory */
184
#endif
185
int nb_nics;
186
NICInfo nd_table[MAX_NICS];
187
int vm_running;
188
int autostart;
189
int incoming_expected; /* Started with -incoming and waiting for incoming */
190
static int rtc_utc = 1;
191
static int rtc_date_offset = -1; /* -1 means no change */
192
QEMUClock *rtc_clock;
193
int vga_interface_type = VGA_NONE;
194
static int full_screen = 0;
195
#ifdef CONFIG_SDL
196
static int no_frame = 0;
197
#endif
198
int no_quit = 0;
199
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
200
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
201
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
202
int win2k_install_hack = 0;
203
int rtc_td_hack = 0;
204
int usb_enabled = 0;
205
int singlestep = 0;
206
int smp_cpus = 1;
207
int max_cpus = 0;
208
int smp_cores = 1;
209
int smp_threads = 1;
210
const char *vnc_display;
211
int acpi_enabled = 1;
212
int no_hpet = 0;
213
int fd_bootchk = 1;
214
int no_reboot = 0;
215
int no_shutdown = 0;
216
int cursor_hide = 1;
217
int graphic_rotate = 0;
218
uint8_t irq0override = 1;
219
const char *watchdog;
220
const char *option_rom[MAX_OPTION_ROMS];
221
int nb_option_roms;
222
int semihosting_enabled = 0;
223
int old_param = 0;
224
const char *qemu_name;
225
int alt_grab = 0;
226
int ctrl_grab = 0;
227
unsigned int nb_prom_envs = 0;
228
const char *prom_envs[MAX_PROM_ENVS];
229
int boot_menu;
230

    
231
int nb_numa_nodes;
232
uint64_t node_mem[MAX_NODES];
233
uint64_t node_cpumask[MAX_NODES];
234

    
235
static QEMUTimer *nographic_timer;
236

    
237
uint8_t qemu_uuid[16];
238

    
239
static QEMUBootSetHandler *boot_set_handler;
240
static void *boot_set_opaque;
241

    
242
static NotifierList exit_notifiers =
243
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
244

    
245
int kvm_allowed = 0;
246
uint32_t xen_domid;
247
enum xen_mode xen_mode = XEN_EMULATE;
248

    
249
static int default_serial = 1;
250
static int default_parallel = 1;
251
static int default_virtcon = 1;
252
static int default_monitor = 1;
253
static int default_vga = 1;
254
static int default_floppy = 1;
255
static int default_cdrom = 1;
256
static int default_sdcard = 1;
257

    
258
static struct {
259
    const char *driver;
260
    int *flag;
261
} default_list[] = {
262
    { .driver = "isa-serial",           .flag = &default_serial    },
263
    { .driver = "isa-parallel",         .flag = &default_parallel  },
264
    { .driver = "isa-fdc",              .flag = &default_floppy    },
265
    { .driver = "ide-drive",            .flag = &default_cdrom     },
266
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
267
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
268
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
269
    { .driver = "VGA",                  .flag = &default_vga       },
270
    { .driver = "cirrus-vga",           .flag = &default_vga       },
271
    { .driver = "vmware-svga",          .flag = &default_vga       },
272
};
273

    
274
static int default_driver_check(QemuOpts *opts, void *opaque)
275
{
276
    const char *driver = qemu_opt_get(opts, "driver");
277
    int i;
278

    
279
    if (!driver)
280
        return 0;
281
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
282
        if (strcmp(default_list[i].driver, driver) != 0)
283
            continue;
284
        *(default_list[i].flag) = 0;
285
    }
286
    return 0;
287
}
288

    
289
/***********************************************************/
290
/* real time host monotonic timer */
291

    
292
/* compute with 96 bit intermediate result: (a*b)/c */
293
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
294
{
295
    union {
296
        uint64_t ll;
297
        struct {
298
#ifdef HOST_WORDS_BIGENDIAN
299
            uint32_t high, low;
300
#else
301
            uint32_t low, high;
302
#endif
303
        } l;
304
    } u, res;
305
    uint64_t rl, rh;
306

    
307
    u.ll = a;
308
    rl = (uint64_t)u.l.low * (uint64_t)b;
309
    rh = (uint64_t)u.l.high * (uint64_t)b;
310
    rh += (rl >> 32);
311
    res.l.high = rh / c;
312
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
313
    return res.ll;
314
}
315

    
316
/***********************************************************/
317
/* host time/date access */
318
void qemu_get_timedate(struct tm *tm, int offset)
319
{
320
    time_t ti;
321
    struct tm *ret;
322

    
323
    time(&ti);
324
    ti += offset;
325
    if (rtc_date_offset == -1) {
326
        if (rtc_utc)
327
            ret = gmtime(&ti);
328
        else
329
            ret = localtime(&ti);
330
    } else {
331
        ti -= rtc_date_offset;
332
        ret = gmtime(&ti);
333
    }
334

    
335
    memcpy(tm, ret, sizeof(struct tm));
336
}
337

    
338
int qemu_timedate_diff(struct tm *tm)
339
{
340
    time_t seconds;
341

    
342
    if (rtc_date_offset == -1)
343
        if (rtc_utc)
344
            seconds = mktimegm(tm);
345
        else
346
            seconds = mktime(tm);
347
    else
348
        seconds = mktimegm(tm) + rtc_date_offset;
349

    
350
    return seconds - time(NULL);
351
}
352

    
353
void rtc_change_mon_event(struct tm *tm)
354
{
355
    QObject *data;
356

    
357
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
358
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
359
    qobject_decref(data);
360
}
361

    
362
static void configure_rtc_date_offset(const char *startdate, int legacy)
363
{
364
    time_t rtc_start_date;
365
    struct tm tm;
366

    
367
    if (!strcmp(startdate, "now") && legacy) {
368
        rtc_date_offset = -1;
369
    } else {
370
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
371
                   &tm.tm_year,
372
                   &tm.tm_mon,
373
                   &tm.tm_mday,
374
                   &tm.tm_hour,
375
                   &tm.tm_min,
376
                   &tm.tm_sec) == 6) {
377
            /* OK */
378
        } else if (sscanf(startdate, "%d-%d-%d",
379
                          &tm.tm_year,
380
                          &tm.tm_mon,
381
                          &tm.tm_mday) == 3) {
382
            tm.tm_hour = 0;
383
            tm.tm_min = 0;
384
            tm.tm_sec = 0;
385
        } else {
386
            goto date_fail;
387
        }
388
        tm.tm_year -= 1900;
389
        tm.tm_mon--;
390
        rtc_start_date = mktimegm(&tm);
391
        if (rtc_start_date == -1) {
392
        date_fail:
393
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
394
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
395
            exit(1);
396
        }
397
        rtc_date_offset = time(NULL) - rtc_start_date;
398
    }
399
}
400

    
401
static void configure_rtc(QemuOpts *opts)
402
{
403
    const char *value;
404

    
405
    value = qemu_opt_get(opts, "base");
406
    if (value) {
407
        if (!strcmp(value, "utc")) {
408
            rtc_utc = 1;
409
        } else if (!strcmp(value, "localtime")) {
410
            rtc_utc = 0;
411
        } else {
412
            configure_rtc_date_offset(value, 0);
413
        }
414
    }
415
    value = qemu_opt_get(opts, "clock");
416
    if (value) {
417
        if (!strcmp(value, "host")) {
418
            rtc_clock = host_clock;
419
        } else if (!strcmp(value, "vm")) {
420
            rtc_clock = vm_clock;
421
        } else {
422
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
423
            exit(1);
424
        }
425
    }
426
    value = qemu_opt_get(opts, "driftfix");
427
    if (value) {
428
        if (!strcmp(value, "slew")) {
429
            rtc_td_hack = 1;
430
        } else if (!strcmp(value, "none")) {
431
            rtc_td_hack = 0;
432
        } else {
433
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
434
            exit(1);
435
        }
436
    }
437
}
438

    
439
/***********************************************************/
440
/* Bluetooth support */
441
static int nb_hcis;
442
static int cur_hci;
443
static struct HCIInfo *hci_table[MAX_NICS];
444

    
445
static struct bt_vlan_s {
446
    struct bt_scatternet_s net;
447
    int id;
448
    struct bt_vlan_s *next;
449
} *first_bt_vlan;
450

    
451
/* find or alloc a new bluetooth "VLAN" */
452
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
453
{
454
    struct bt_vlan_s **pvlan, *vlan;
455
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
456
        if (vlan->id == id)
457
            return &vlan->net;
458
    }
459
    vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
460
    vlan->id = id;
461
    pvlan = &first_bt_vlan;
462
    while (*pvlan != NULL)
463
        pvlan = &(*pvlan)->next;
464
    *pvlan = vlan;
465
    return &vlan->net;
466
}
467

    
468
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
469
{
470
}
471

    
472
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
473
{
474
    return -ENOTSUP;
475
}
476

    
477
static struct HCIInfo null_hci = {
478
    .cmd_send = null_hci_send,
479
    .sco_send = null_hci_send,
480
    .acl_send = null_hci_send,
481
    .bdaddr_set = null_hci_addr_set,
482
};
483

    
484
struct HCIInfo *qemu_next_hci(void)
485
{
486
    if (cur_hci == nb_hcis)
487
        return &null_hci;
488

    
489
    return hci_table[cur_hci++];
490
}
491

    
492
static struct HCIInfo *hci_init(const char *str)
493
{
494
    char *endp;
495
    struct bt_scatternet_s *vlan = 0;
496

    
497
    if (!strcmp(str, "null"))
498
        /* null */
499
        return &null_hci;
500
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
501
        /* host[:hciN] */
502
        return bt_host_hci(str[4] ? str + 5 : "hci0");
503
    else if (!strncmp(str, "hci", 3)) {
504
        /* hci[,vlan=n] */
505
        if (str[3]) {
506
            if (!strncmp(str + 3, ",vlan=", 6)) {
507
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
508
                if (*endp)
509
                    vlan = 0;
510
            }
511
        } else
512
            vlan = qemu_find_bt_vlan(0);
513
        if (vlan)
514
           return bt_new_hci(vlan);
515
    }
516

    
517
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
518

    
519
    return 0;
520
}
521

    
522
static int bt_hci_parse(const char *str)
523
{
524
    struct HCIInfo *hci;
525
    bdaddr_t bdaddr;
526

    
527
    if (nb_hcis >= MAX_NICS) {
528
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
529
        return -1;
530
    }
531

    
532
    hci = hci_init(str);
533
    if (!hci)
534
        return -1;
535

    
536
    bdaddr.b[0] = 0x52;
537
    bdaddr.b[1] = 0x54;
538
    bdaddr.b[2] = 0x00;
539
    bdaddr.b[3] = 0x12;
540
    bdaddr.b[4] = 0x34;
541
    bdaddr.b[5] = 0x56 + nb_hcis;
542
    hci->bdaddr_set(hci, bdaddr.b);
543

    
544
    hci_table[nb_hcis++] = hci;
545

    
546
    return 0;
547
}
548

    
549
static void bt_vhci_add(int vlan_id)
550
{
551
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
552

    
553
    if (!vlan->slave)
554
        fprintf(stderr, "qemu: warning: adding a VHCI to "
555
                        "an empty scatternet %i\n", vlan_id);
556

    
557
    bt_vhci_init(bt_new_hci(vlan));
558
}
559

    
560
static struct bt_device_s *bt_device_add(const char *opt)
561
{
562
    struct bt_scatternet_s *vlan;
563
    int vlan_id = 0;
564
    char *endp = strstr(opt, ",vlan=");
565
    int len = (endp ? endp - opt : strlen(opt)) + 1;
566
    char devname[10];
567

    
568
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
569

    
570
    if (endp) {
571
        vlan_id = strtol(endp + 6, &endp, 0);
572
        if (*endp) {
573
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
574
            return 0;
575
        }
576
    }
577

    
578
    vlan = qemu_find_bt_vlan(vlan_id);
579

    
580
    if (!vlan->slave)
581
        fprintf(stderr, "qemu: warning: adding a slave device to "
582
                        "an empty scatternet %i\n", vlan_id);
583

    
584
    if (!strcmp(devname, "keyboard"))
585
        return bt_keyboard_init(vlan);
586

    
587
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
588
    return 0;
589
}
590

    
591
static int bt_parse(const char *opt)
592
{
593
    const char *endp, *p;
594
    int vlan;
595

    
596
    if (strstart(opt, "hci", &endp)) {
597
        if (!*endp || *endp == ',') {
598
            if (*endp)
599
                if (!strstart(endp, ",vlan=", 0))
600
                    opt = endp + 1;
601

    
602
            return bt_hci_parse(opt);
603
       }
604
    } else if (strstart(opt, "vhci", &endp)) {
605
        if (!*endp || *endp == ',') {
606
            if (*endp) {
607
                if (strstart(endp, ",vlan=", &p)) {
608
                    vlan = strtol(p, (char **) &endp, 0);
609
                    if (*endp) {
610
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
611
                        return 1;
612
                    }
613
                } else {
614
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
615
                    return 1;
616
                }
617
            } else
618
                vlan = 0;
619

    
620
            bt_vhci_add(vlan);
621
            return 0;
622
        }
623
    } else if (strstart(opt, "device:", &endp))
624
        return !bt_device_add(endp);
625

    
626
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
627
    return 1;
628
}
629

    
630
/***********************************************************/
631
/* QEMU Block devices */
632

    
633
#define HD_ALIAS "index=%d,media=disk"
634
#define CDROM_ALIAS "index=2,media=cdrom"
635
#define FD_ALIAS "index=%d,if=floppy"
636
#define PFLASH_ALIAS "if=pflash"
637
#define MTD_ALIAS "if=mtd"
638
#define SD_ALIAS "index=0,if=sd"
639

    
640
static int drive_init_func(QemuOpts *opts, void *opaque)
641
{
642
    int *use_scsi = opaque;
643
    int fatal_error = 0;
644

    
645
    if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
646
        if (fatal_error)
647
            return 1;
648
    }
649
    return 0;
650
}
651

    
652
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
653
{
654
    if (NULL == qemu_opt_get(opts, "snapshot")) {
655
        qemu_opt_set(opts, "snapshot", "on");
656
    }
657
    return 0;
658
}
659

    
660
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
661
{
662
    boot_set_handler = func;
663
    boot_set_opaque = opaque;
664
}
665

    
666
int qemu_boot_set(const char *boot_devices)
667
{
668
    if (!boot_set_handler) {
669
        return -EINVAL;
670
    }
671
    return boot_set_handler(boot_set_opaque, boot_devices);
672
}
673

    
674
static void validate_bootdevices(char *devices)
675
{
676
    /* We just do some generic consistency checks */
677
    const char *p;
678
    int bitmap = 0;
679

    
680
    for (p = devices; *p != '\0'; p++) {
681
        /* Allowed boot devices are:
682
         * a-b: floppy disk drives
683
         * c-f: IDE disk drives
684
         * g-m: machine implementation dependant drives
685
         * n-p: network devices
686
         * It's up to each machine implementation to check if the given boot
687
         * devices match the actual hardware implementation and firmware
688
         * features.
689
         */
690
        if (*p < 'a' || *p > 'p') {
691
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
692
            exit(1);
693
        }
694
        if (bitmap & (1 << (*p - 'a'))) {
695
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
696
            exit(1);
697
        }
698
        bitmap |= 1 << (*p - 'a');
699
    }
700
}
701

    
702
static void restore_boot_devices(void *opaque)
703
{
704
    char *standard_boot_devices = opaque;
705
    static int first = 1;
706

    
707
    /* Restore boot order and remove ourselves after the first boot */
708
    if (first) {
709
        first = 0;
710
        return;
711
    }
712

    
713
    qemu_boot_set(standard_boot_devices);
714

    
715
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
716
    qemu_free(standard_boot_devices);
717
}
718

    
719
static void numa_add(const char *optarg)
720
{
721
    char option[128];
722
    char *endptr;
723
    unsigned long long value, endvalue;
724
    int nodenr;
725

    
726
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
727
    if (!strcmp(option, "node")) {
728
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
729
            nodenr = nb_numa_nodes;
730
        } else {
731
            nodenr = strtoull(option, NULL, 10);
732
        }
733

    
734
        if (get_param_value(option, 128, "mem", optarg) == 0) {
735
            node_mem[nodenr] = 0;
736
        } else {
737
            value = strtoull(option, &endptr, 0);
738
            switch (*endptr) {
739
            case 0: case 'M': case 'm':
740
                value <<= 20;
741
                break;
742
            case 'G': case 'g':
743
                value <<= 30;
744
                break;
745
            }
746
            node_mem[nodenr] = value;
747
        }
748
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
749
            node_cpumask[nodenr] = 0;
750
        } else {
751
            value = strtoull(option, &endptr, 10);
752
            if (value >= 64) {
753
                value = 63;
754
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
755
            } else {
756
                if (*endptr == '-') {
757
                    endvalue = strtoull(endptr+1, &endptr, 10);
758
                    if (endvalue >= 63) {
759
                        endvalue = 62;
760
                        fprintf(stderr,
761
                            "only 63 CPUs in NUMA mode supported.\n");
762
                    }
763
                    value = (2ULL << endvalue) - (1ULL << value);
764
                } else {
765
                    value = 1ULL << value;
766
                }
767
            }
768
            node_cpumask[nodenr] = value;
769
        }
770
        nb_numa_nodes++;
771
    }
772
    return;
773
}
774

    
775
static void smp_parse(const char *optarg)
776
{
777
    int smp, sockets = 0, threads = 0, cores = 0;
778
    char *endptr;
779
    char option[128];
780

    
781
    smp = strtoul(optarg, &endptr, 10);
782
    if (endptr != optarg) {
783
        if (*endptr == ',') {
784
            endptr++;
785
        }
786
    }
787
    if (get_param_value(option, 128, "sockets", endptr) != 0)
788
        sockets = strtoull(option, NULL, 10);
789
    if (get_param_value(option, 128, "cores", endptr) != 0)
790
        cores = strtoull(option, NULL, 10);
791
    if (get_param_value(option, 128, "threads", endptr) != 0)
792
        threads = strtoull(option, NULL, 10);
793
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
794
        max_cpus = strtoull(option, NULL, 10);
795

    
796
    /* compute missing values, prefer sockets over cores over threads */
797
    if (smp == 0 || sockets == 0) {
798
        sockets = sockets > 0 ? sockets : 1;
799
        cores = cores > 0 ? cores : 1;
800
        threads = threads > 0 ? threads : 1;
801
        if (smp == 0) {
802
            smp = cores * threads * sockets;
803
        }
804
    } else {
805
        if (cores == 0) {
806
            threads = threads > 0 ? threads : 1;
807
            cores = smp / (sockets * threads);
808
        } else {
809
            threads = smp / (cores * sockets);
810
        }
811
    }
812
    smp_cpus = smp;
813
    smp_cores = cores > 0 ? cores : 1;
814
    smp_threads = threads > 0 ? threads : 1;
815
    if (max_cpus == 0)
816
        max_cpus = smp_cpus;
817
}
818

    
819
/***********************************************************/
820
/* USB devices */
821

    
822
static int usb_device_add(const char *devname)
823
{
824
    const char *p;
825
    USBDevice *dev = NULL;
826

    
827
    if (!usb_enabled)
828
        return -1;
829

    
830
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
831
    dev = usbdevice_create(devname);
832
    if (dev)
833
        goto done;
834

    
835
    /* the other ones */
836
    if (strstart(devname, "host:", &p)) {
837
        dev = usb_host_device_open(p);
838
    } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
839
        dev = usb_bt_init(devname[2] ? hci_init(p) :
840
                        bt_new_hci(qemu_find_bt_vlan(0)));
841
    } else {
842
        return -1;
843
    }
844
    if (!dev)
845
        return -1;
846

    
847
done:
848
    return 0;
849
}
850

    
851
static int usb_device_del(const char *devname)
852
{
853
    int bus_num, addr;
854
    const char *p;
855

    
856
    if (strstart(devname, "host:", &p))
857
        return usb_host_device_close(p);
858

    
859
    if (!usb_enabled)
860
        return -1;
861

    
862
    p = strchr(devname, '.');
863
    if (!p)
864
        return -1;
865
    bus_num = strtoul(devname, NULL, 0);
866
    addr = strtoul(p + 1, NULL, 0);
867

    
868
    return usb_device_delete_addr(bus_num, addr);
869
}
870

    
871
static int usb_parse(const char *cmdline)
872
{
873
    int r;
874
    r = usb_device_add(cmdline);
875
    if (r < 0) {
876
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
877
    }
878
    return r;
879
}
880

    
881
void do_usb_add(Monitor *mon, const QDict *qdict)
882
{
883
    const char *devname = qdict_get_str(qdict, "devname");
884
    if (usb_device_add(devname) < 0) {
885
        error_report("could not add USB device '%s'", devname);
886
    }
887
}
888

    
889
void do_usb_del(Monitor *mon, const QDict *qdict)
890
{
891
    const char *devname = qdict_get_str(qdict, "devname");
892
    if (usb_device_del(devname) < 0) {
893
        error_report("could not delete USB device '%s'", devname);
894
    }
895
}
896

    
897
/***********************************************************/
898
/* PCMCIA/Cardbus */
899

    
900
static struct pcmcia_socket_entry_s {
901
    PCMCIASocket *socket;
902
    struct pcmcia_socket_entry_s *next;
903
} *pcmcia_sockets = 0;
904

    
905
void pcmcia_socket_register(PCMCIASocket *socket)
906
{
907
    struct pcmcia_socket_entry_s *entry;
908

    
909
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
910
    entry->socket = socket;
911
    entry->next = pcmcia_sockets;
912
    pcmcia_sockets = entry;
913
}
914

    
915
void pcmcia_socket_unregister(PCMCIASocket *socket)
916
{
917
    struct pcmcia_socket_entry_s *entry, **ptr;
918

    
919
    ptr = &pcmcia_sockets;
920
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
921
        if (entry->socket == socket) {
922
            *ptr = entry->next;
923
            qemu_free(entry);
924
        }
925
}
926

    
927
void pcmcia_info(Monitor *mon)
928
{
929
    struct pcmcia_socket_entry_s *iter;
930

    
931
    if (!pcmcia_sockets)
932
        monitor_printf(mon, "No PCMCIA sockets\n");
933

    
934
    for (iter = pcmcia_sockets; iter; iter = iter->next)
935
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
936
                       iter->socket->attached ? iter->socket->card_string :
937
                       "Empty");
938
}
939

    
940
/***********************************************************/
941
/* I/O handling */
942

    
943
typedef struct IOHandlerRecord {
944
    int fd;
945
    IOCanReadHandler *fd_read_poll;
946
    IOHandler *fd_read;
947
    IOHandler *fd_write;
948
    int deleted;
949
    void *opaque;
950
    /* temporary data */
951
    struct pollfd *ufd;
952
    QLIST_ENTRY(IOHandlerRecord) next;
953
} IOHandlerRecord;
954

    
955
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
956
    QLIST_HEAD_INITIALIZER(io_handlers);
957

    
958

    
959
/* XXX: fd_read_poll should be suppressed, but an API change is
960
   necessary in the character devices to suppress fd_can_read(). */
961
int qemu_set_fd_handler2(int fd,
962
                         IOCanReadHandler *fd_read_poll,
963
                         IOHandler *fd_read,
964
                         IOHandler *fd_write,
965
                         void *opaque)
966
{
967
    IOHandlerRecord *ioh;
968

    
969
    if (!fd_read && !fd_write) {
970
        QLIST_FOREACH(ioh, &io_handlers, next) {
971
            if (ioh->fd == fd) {
972
                ioh->deleted = 1;
973
                break;
974
            }
975
        }
976
    } else {
977
        QLIST_FOREACH(ioh, &io_handlers, next) {
978
            if (ioh->fd == fd)
979
                goto found;
980
        }
981
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
982
        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
983
    found:
984
        ioh->fd = fd;
985
        ioh->fd_read_poll = fd_read_poll;
986
        ioh->fd_read = fd_read;
987
        ioh->fd_write = fd_write;
988
        ioh->opaque = opaque;
989
        ioh->deleted = 0;
990
    }
991
    return 0;
992
}
993

    
994
int qemu_set_fd_handler(int fd,
995
                        IOHandler *fd_read,
996
                        IOHandler *fd_write,
997
                        void *opaque)
998
{
999
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1000
}
1001

    
1002
/***********************************************************/
1003
/* machine registration */
1004

    
1005
static QEMUMachine *first_machine = NULL;
1006
QEMUMachine *current_machine = NULL;
1007

    
1008
int qemu_register_machine(QEMUMachine *m)
1009
{
1010
    QEMUMachine **pm;
1011
    pm = &first_machine;
1012
    while (*pm != NULL)
1013
        pm = &(*pm)->next;
1014
    m->next = NULL;
1015
    *pm = m;
1016
    return 0;
1017
}
1018

    
1019
static QEMUMachine *find_machine(const char *name)
1020
{
1021
    QEMUMachine *m;
1022

    
1023
    for(m = first_machine; m != NULL; m = m->next) {
1024
        if (!strcmp(m->name, name))
1025
            return m;
1026
        if (m->alias && !strcmp(m->alias, name))
1027
            return m;
1028
    }
1029
    return NULL;
1030
}
1031

    
1032
static QEMUMachine *find_default_machine(void)
1033
{
1034
    QEMUMachine *m;
1035

    
1036
    for(m = first_machine; m != NULL; m = m->next) {
1037
        if (m->is_default) {
1038
            return m;
1039
        }
1040
    }
1041
    return NULL;
1042
}
1043

    
1044
/***********************************************************/
1045
/* main execution loop */
1046

    
1047
static void gui_update(void *opaque)
1048
{
1049
    uint64_t interval = GUI_REFRESH_INTERVAL;
1050
    DisplayState *ds = opaque;
1051
    DisplayChangeListener *dcl = ds->listeners;
1052

    
1053
    qemu_flush_coalesced_mmio_buffer();
1054
    dpy_refresh(ds);
1055

    
1056
    while (dcl != NULL) {
1057
        if (dcl->gui_timer_interval &&
1058
            dcl->gui_timer_interval < interval)
1059
            interval = dcl->gui_timer_interval;
1060
        dcl = dcl->next;
1061
    }
1062
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1063
}
1064

    
1065
static void nographic_update(void *opaque)
1066
{
1067
    uint64_t interval = GUI_REFRESH_INTERVAL;
1068

    
1069
    qemu_flush_coalesced_mmio_buffer();
1070
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1071
}
1072

    
1073
struct vm_change_state_entry {
1074
    VMChangeStateHandler *cb;
1075
    void *opaque;
1076
    QLIST_ENTRY (vm_change_state_entry) entries;
1077
};
1078

    
1079
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1080

    
1081
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1082
                                                     void *opaque)
1083
{
1084
    VMChangeStateEntry *e;
1085

    
1086
    e = qemu_mallocz(sizeof (*e));
1087

    
1088
    e->cb = cb;
1089
    e->opaque = opaque;
1090
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1091
    return e;
1092
}
1093

    
1094
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1095
{
1096
    QLIST_REMOVE (e, entries);
1097
    qemu_free (e);
1098
}
1099

    
1100
void vm_state_notify(int running, int reason)
1101
{
1102
    VMChangeStateEntry *e;
1103

    
1104
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1105
        e->cb(e->opaque, running, reason);
1106
    }
1107
}
1108

    
1109
void vm_start(void)
1110
{
1111
    if (!vm_running) {
1112
        cpu_enable_ticks();
1113
        vm_running = 1;
1114
        vm_state_notify(1, 0);
1115
        resume_all_vcpus();
1116
        monitor_protocol_event(QEVENT_RESUME, NULL);
1117
    }
1118
}
1119

    
1120
/* reset/shutdown handler */
1121

    
1122
typedef struct QEMUResetEntry {
1123
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1124
    QEMUResetHandler *func;
1125
    void *opaque;
1126
} QEMUResetEntry;
1127

    
1128
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1129
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1130
static int reset_requested;
1131
static int shutdown_requested;
1132
static int powerdown_requested;
1133
int debug_requested;
1134
int vmstop_requested;
1135

    
1136
int qemu_shutdown_requested(void)
1137
{
1138
    int r = shutdown_requested;
1139
    shutdown_requested = 0;
1140
    return r;
1141
}
1142

    
1143
int qemu_reset_requested(void)
1144
{
1145
    int r = reset_requested;
1146
    reset_requested = 0;
1147
    return r;
1148
}
1149

    
1150
int qemu_powerdown_requested(void)
1151
{
1152
    int r = powerdown_requested;
1153
    powerdown_requested = 0;
1154
    return r;
1155
}
1156

    
1157
static int qemu_debug_requested(void)
1158
{
1159
    int r = debug_requested;
1160
    debug_requested = 0;
1161
    return r;
1162
}
1163

    
1164
static int qemu_vmstop_requested(void)
1165
{
1166
    int r = vmstop_requested;
1167
    vmstop_requested = 0;
1168
    return r;
1169
}
1170

    
1171
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1172
{
1173
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1174

    
1175
    re->func = func;
1176
    re->opaque = opaque;
1177
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1178
}
1179

    
1180
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1181
{
1182
    QEMUResetEntry *re;
1183

    
1184
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1185
        if (re->func == func && re->opaque == opaque) {
1186
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1187
            qemu_free(re);
1188
            return;
1189
        }
1190
    }
1191
}
1192

    
1193
void qemu_system_reset(void)
1194
{
1195
    QEMUResetEntry *re, *nre;
1196

    
1197
    /* reset all devices */
1198
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1199
        re->func(re->opaque);
1200
    }
1201
    monitor_protocol_event(QEVENT_RESET, NULL);
1202
    cpu_synchronize_all_post_reset();
1203
}
1204

    
1205
void qemu_system_reset_request(void)
1206
{
1207
    if (no_reboot) {
1208
        shutdown_requested = 1;
1209
    } else {
1210
        reset_requested = 1;
1211
    }
1212
    qemu_notify_event();
1213
}
1214

    
1215
void qemu_system_shutdown_request(void)
1216
{
1217
    shutdown_requested = 1;
1218
    qemu_notify_event();
1219
}
1220

    
1221
void qemu_system_powerdown_request(void)
1222
{
1223
    powerdown_requested = 1;
1224
    qemu_notify_event();
1225
}
1226

    
1227
void main_loop_wait(int nonblocking)
1228
{
1229
    IOHandlerRecord *ioh;
1230
    fd_set rfds, wfds, xfds;
1231
    int ret, nfds;
1232
    struct timeval tv;
1233
    int timeout;
1234

    
1235
    if (nonblocking)
1236
        timeout = 0;
1237
    else {
1238
        timeout = qemu_calculate_timeout();
1239
        qemu_bh_update_timeout(&timeout);
1240
    }
1241

    
1242
    os_host_main_loop_wait(&timeout);
1243

    
1244
    /* poll any events */
1245
    /* XXX: separate device handlers from system ones */
1246
    nfds = -1;
1247
    FD_ZERO(&rfds);
1248
    FD_ZERO(&wfds);
1249
    FD_ZERO(&xfds);
1250
    QLIST_FOREACH(ioh, &io_handlers, next) {
1251
        if (ioh->deleted)
1252
            continue;
1253
        if (ioh->fd_read &&
1254
            (!ioh->fd_read_poll ||
1255
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1256
            FD_SET(ioh->fd, &rfds);
1257
            if (ioh->fd > nfds)
1258
                nfds = ioh->fd;
1259
        }
1260
        if (ioh->fd_write) {
1261
            FD_SET(ioh->fd, &wfds);
1262
            if (ioh->fd > nfds)
1263
                nfds = ioh->fd;
1264
        }
1265
    }
1266

    
1267
    tv.tv_sec = timeout / 1000;
1268
    tv.tv_usec = (timeout % 1000) * 1000;
1269

    
1270
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1271

    
1272
    qemu_mutex_unlock_iothread();
1273
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1274
    qemu_mutex_lock_iothread();
1275
    if (ret > 0) {
1276
        IOHandlerRecord *pioh;
1277

    
1278
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1279
            if (ioh->deleted) {
1280
                QLIST_REMOVE(ioh, next);
1281
                qemu_free(ioh);
1282
                continue;
1283
            }
1284
            if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1285
                ioh->fd_read(ioh->opaque);
1286
            }
1287
            if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1288
                ioh->fd_write(ioh->opaque);
1289
            }
1290
        }
1291
    }
1292

    
1293
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1294

    
1295
    qemu_run_all_timers();
1296

    
1297
    /* Check bottom-halves last in case any of the earlier events triggered
1298
       them.  */
1299
    qemu_bh_poll();
1300

    
1301
}
1302

    
1303
static int vm_can_run(void)
1304
{
1305
    if (powerdown_requested)
1306
        return 0;
1307
    if (reset_requested)
1308
        return 0;
1309
    if (shutdown_requested)
1310
        return 0;
1311
    if (debug_requested)
1312
        return 0;
1313
    return 1;
1314
}
1315

    
1316
qemu_irq qemu_system_powerdown;
1317

    
1318
static void main_loop(void)
1319
{
1320
    int r;
1321

    
1322
    qemu_main_loop_start();
1323

    
1324
    for (;;) {
1325
        do {
1326
            bool nonblocking = false;
1327
#ifdef CONFIG_PROFILER
1328
            int64_t ti;
1329
#endif
1330
#ifndef CONFIG_IOTHREAD
1331
            nonblocking = cpu_exec_all();
1332
#endif
1333
#ifdef CONFIG_PROFILER
1334
            ti = profile_getclock();
1335
#endif
1336
            main_loop_wait(nonblocking);
1337
#ifdef CONFIG_PROFILER
1338
            dev_time += profile_getclock() - ti;
1339
#endif
1340
        } while (vm_can_run());
1341

    
1342
        if ((r = qemu_debug_requested())) {
1343
            vm_stop(r);
1344
        }
1345
        if (qemu_shutdown_requested()) {
1346
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1347
            if (no_shutdown) {
1348
                vm_stop(0);
1349
                no_shutdown = 0;
1350
            } else
1351
                break;
1352
        }
1353
        if (qemu_reset_requested()) {
1354
            pause_all_vcpus();
1355
            qemu_system_reset();
1356
            resume_all_vcpus();
1357
        }
1358
        if (qemu_powerdown_requested()) {
1359
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1360
            qemu_irq_raise(qemu_system_powerdown);
1361
        }
1362
        if ((r = qemu_vmstop_requested())) {
1363
            vm_stop(r);
1364
        }
1365
    }
1366
    bdrv_close_all();
1367
    pause_all_vcpus();
1368
}
1369

    
1370
static void version(void)
1371
{
1372
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1373
}
1374

    
1375
static void help(int exitcode)
1376
{
1377
    const char *options_help =
1378
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1379
        opt_help
1380
#define DEFHEADING(text) stringify(text) "\n"
1381
#include "qemu-options.def"
1382
#undef DEF
1383
#undef DEFHEADING
1384
#undef GEN_DOCS
1385
        ;
1386
    version();
1387
    printf("usage: %s [options] [disk_image]\n"
1388
           "\n"
1389
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1390
           "\n"
1391
           "%s\n"
1392
           "During emulation, the following keys are useful:\n"
1393
           "ctrl-alt-f      toggle full screen\n"
1394
           "ctrl-alt-n      switch to virtual console 'n'\n"
1395
           "ctrl-alt        toggle mouse and keyboard grab\n"
1396
           "\n"
1397
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
1398
           "qemu",
1399
           options_help);
1400
    exit(exitcode);
1401
}
1402

    
1403
#define HAS_ARG 0x0001
1404

    
1405
typedef struct QEMUOption {
1406
    const char *name;
1407
    int flags;
1408
    int index;
1409
    uint32_t arch_mask;
1410
} QEMUOption;
1411

    
1412
static const QEMUOption qemu_options[] = {
1413
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1414
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1415
    { option, opt_arg, opt_enum, arch_mask },
1416
#define DEFHEADING(text)
1417
#include "qemu-options.def"
1418
#undef DEF
1419
#undef DEFHEADING
1420
#undef GEN_DOCS
1421
    { NULL },
1422
};
1423
static void select_vgahw (const char *p)
1424
{
1425
    const char *opts;
1426

    
1427
    default_vga = 0;
1428
    vga_interface_type = VGA_NONE;
1429
    if (strstart(p, "std", &opts)) {
1430
        vga_interface_type = VGA_STD;
1431
    } else if (strstart(p, "cirrus", &opts)) {
1432
        vga_interface_type = VGA_CIRRUS;
1433
    } else if (strstart(p, "vmware", &opts)) {
1434
        vga_interface_type = VGA_VMWARE;
1435
    } else if (strstart(p, "xenfb", &opts)) {
1436
        vga_interface_type = VGA_XENFB;
1437
    } else if (!strstart(p, "none", &opts)) {
1438
    invalid_vga:
1439
        fprintf(stderr, "Unknown vga type: %s\n", p);
1440
        exit(1);
1441
    }
1442
    while (*opts) {
1443
        const char *nextopt;
1444

    
1445
        if (strstart(opts, ",retrace=", &nextopt)) {
1446
            opts = nextopt;
1447
            if (strstart(opts, "dumb", &nextopt))
1448
                vga_retrace_method = VGA_RETRACE_DUMB;
1449
            else if (strstart(opts, "precise", &nextopt))
1450
                vga_retrace_method = VGA_RETRACE_PRECISE;
1451
            else goto invalid_vga;
1452
        } else goto invalid_vga;
1453
        opts = nextopt;
1454
    }
1455
}
1456

    
1457
static int balloon_parse(const char *arg)
1458
{
1459
    QemuOpts *opts;
1460

    
1461
    if (strcmp(arg, "none") == 0) {
1462
        return 0;
1463
    }
1464

    
1465
    if (!strncmp(arg, "virtio", 6)) {
1466
        if (arg[6] == ',') {
1467
            /* have params -> parse them */
1468
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1469
            if (!opts)
1470
                return  -1;
1471
        } else {
1472
            /* create empty opts */
1473
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1474
        }
1475
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1476
        return 0;
1477
    }
1478

    
1479
    return -1;
1480
}
1481

    
1482
char *qemu_find_file(int type, const char *name)
1483
{
1484
    int len;
1485
    const char *subdir;
1486
    char *buf;
1487

    
1488
    /* If name contains path separators then try it as a straight path.  */
1489
    if ((strchr(name, '/') || strchr(name, '\\'))
1490
        && access(name, R_OK) == 0) {
1491
        return qemu_strdup(name);
1492
    }
1493
    switch (type) {
1494
    case QEMU_FILE_TYPE_BIOS:
1495
        subdir = "";
1496
        break;
1497
    case QEMU_FILE_TYPE_KEYMAP:
1498
        subdir = "keymaps/";
1499
        break;
1500
    default:
1501
        abort();
1502
    }
1503
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1504
    buf = qemu_mallocz(len);
1505
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1506
    if (access(buf, R_OK)) {
1507
        qemu_free(buf);
1508
        return NULL;
1509
    }
1510
    return buf;
1511
}
1512

    
1513
static int device_help_func(QemuOpts *opts, void *opaque)
1514
{
1515
    return qdev_device_help(opts);
1516
}
1517

    
1518
static int device_init_func(QemuOpts *opts, void *opaque)
1519
{
1520
    DeviceState *dev;
1521

    
1522
    dev = qdev_device_add(opts);
1523
    if (!dev)
1524
        return -1;
1525
    return 0;
1526
}
1527

    
1528
static int chardev_init_func(QemuOpts *opts, void *opaque)
1529
{
1530
    CharDriverState *chr;
1531

    
1532
    chr = qemu_chr_open_opts(opts, NULL);
1533
    if (!chr)
1534
        return -1;
1535
    return 0;
1536
}
1537

    
1538
#ifdef CONFIG_VIRTFS
1539
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1540
{
1541
    int ret;
1542
    ret = qemu_fsdev_add(opts);
1543

    
1544
    return ret;
1545
}
1546
#endif
1547

    
1548
static int mon_init_func(QemuOpts *opts, void *opaque)
1549
{
1550
    CharDriverState *chr;
1551
    const char *chardev;
1552
    const char *mode;
1553
    int flags;
1554

    
1555
    mode = qemu_opt_get(opts, "mode");
1556
    if (mode == NULL) {
1557
        mode = "readline";
1558
    }
1559
    if (strcmp(mode, "readline") == 0) {
1560
        flags = MONITOR_USE_READLINE;
1561
    } else if (strcmp(mode, "control") == 0) {
1562
        flags = MONITOR_USE_CONTROL;
1563
    } else {
1564
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1565
        exit(1);
1566
    }
1567

    
1568
    if (qemu_opt_get_bool(opts, "default", 0))
1569
        flags |= MONITOR_IS_DEFAULT;
1570

    
1571
    chardev = qemu_opt_get(opts, "chardev");
1572
    chr = qemu_chr_find(chardev);
1573
    if (chr == NULL) {
1574
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1575
        exit(1);
1576
    }
1577

    
1578
    monitor_init(chr, flags);
1579
    return 0;
1580
}
1581

    
1582
static void monitor_parse(const char *optarg, const char *mode)
1583
{
1584
    static int monitor_device_index = 0;
1585
    QemuOpts *opts;
1586
    const char *p;
1587
    char label[32];
1588
    int def = 0;
1589

    
1590
    if (strstart(optarg, "chardev:", &p)) {
1591
        snprintf(label, sizeof(label), "%s", p);
1592
    } else {
1593
        snprintf(label, sizeof(label), "compat_monitor%d",
1594
                 monitor_device_index);
1595
        if (monitor_device_index == 0) {
1596
            def = 1;
1597
        }
1598
        opts = qemu_chr_parse_compat(label, optarg);
1599
        if (!opts) {
1600
            fprintf(stderr, "parse error: %s\n", optarg);
1601
            exit(1);
1602
        }
1603
    }
1604

    
1605
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1606
    if (!opts) {
1607
        fprintf(stderr, "duplicate chardev: %s\n", label);
1608
        exit(1);
1609
    }
1610
    qemu_opt_set(opts, "mode", mode);
1611
    qemu_opt_set(opts, "chardev", label);
1612
    if (def)
1613
        qemu_opt_set(opts, "default", "on");
1614
    monitor_device_index++;
1615
}
1616

    
1617
struct device_config {
1618
    enum {
1619
        DEV_USB,       /* -usbdevice     */
1620
        DEV_BT,        /* -bt            */
1621
        DEV_SERIAL,    /* -serial        */
1622
        DEV_PARALLEL,  /* -parallel      */
1623
        DEV_VIRTCON,   /* -virtioconsole */
1624
        DEV_DEBUGCON,  /* -debugcon */
1625
    } type;
1626
    const char *cmdline;
1627
    QTAILQ_ENTRY(device_config) next;
1628
};
1629
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1630

    
1631
static void add_device_config(int type, const char *cmdline)
1632
{
1633
    struct device_config *conf;
1634

    
1635
    conf = qemu_mallocz(sizeof(*conf));
1636
    conf->type = type;
1637
    conf->cmdline = cmdline;
1638
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1639
}
1640

    
1641
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1642
{
1643
    struct device_config *conf;
1644
    int rc;
1645

    
1646
    QTAILQ_FOREACH(conf, &device_configs, next) {
1647
        if (conf->type != type)
1648
            continue;
1649
        rc = func(conf->cmdline);
1650
        if (0 != rc)
1651
            return rc;
1652
    }
1653
    return 0;
1654
}
1655

    
1656
static int serial_parse(const char *devname)
1657
{
1658
    static int index = 0;
1659
    char label[32];
1660

    
1661
    if (strcmp(devname, "none") == 0)
1662
        return 0;
1663
    if (index == MAX_SERIAL_PORTS) {
1664
        fprintf(stderr, "qemu: too many serial ports\n");
1665
        exit(1);
1666
    }
1667
    snprintf(label, sizeof(label), "serial%d", index);
1668
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
1669
    if (!serial_hds[index]) {
1670
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1671
                devname, strerror(errno));
1672
        return -1;
1673
    }
1674
    index++;
1675
    return 0;
1676
}
1677

    
1678
static int parallel_parse(const char *devname)
1679
{
1680
    static int index = 0;
1681
    char label[32];
1682

    
1683
    if (strcmp(devname, "none") == 0)
1684
        return 0;
1685
    if (index == MAX_PARALLEL_PORTS) {
1686
        fprintf(stderr, "qemu: too many parallel ports\n");
1687
        exit(1);
1688
    }
1689
    snprintf(label, sizeof(label), "parallel%d", index);
1690
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1691
    if (!parallel_hds[index]) {
1692
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1693
                devname, strerror(errno));
1694
        return -1;
1695
    }
1696
    index++;
1697
    return 0;
1698
}
1699

    
1700
static int virtcon_parse(const char *devname)
1701
{
1702
    QemuOptsList *device = qemu_find_opts("device");
1703
    static int index = 0;
1704
    char label[32];
1705
    QemuOpts *bus_opts, *dev_opts;
1706

    
1707
    if (strcmp(devname, "none") == 0)
1708
        return 0;
1709
    if (index == MAX_VIRTIO_CONSOLES) {
1710
        fprintf(stderr, "qemu: too many virtio consoles\n");
1711
        exit(1);
1712
    }
1713

    
1714
    bus_opts = qemu_opts_create(device, NULL, 0);
1715
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
1716

    
1717
    dev_opts = qemu_opts_create(device, NULL, 0);
1718
    qemu_opt_set(dev_opts, "driver", "virtconsole");
1719

    
1720
    snprintf(label, sizeof(label), "virtcon%d", index);
1721
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1722
    if (!virtcon_hds[index]) {
1723
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1724
                devname, strerror(errno));
1725
        return -1;
1726
    }
1727
    qemu_opt_set(dev_opts, "chardev", label);
1728

    
1729
    index++;
1730
    return 0;
1731
}
1732

    
1733
static int debugcon_parse(const char *devname)
1734
{   
1735
    QemuOpts *opts;
1736

    
1737
    if (!qemu_chr_open("debugcon", devname, NULL)) {
1738
        exit(1);
1739
    }
1740
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1741
    if (!opts) {
1742
        fprintf(stderr, "qemu: already have a debugcon device\n");
1743
        exit(1);
1744
    }
1745
    qemu_opt_set(opts, "driver", "isa-debugcon");
1746
    qemu_opt_set(opts, "chardev", "debugcon");
1747
    return 0;
1748
}
1749

    
1750
void qemu_add_exit_notifier(Notifier *notify)
1751
{
1752
    notifier_list_add(&exit_notifiers, notify);
1753
}
1754

    
1755
void qemu_remove_exit_notifier(Notifier *notify)
1756
{
1757
    notifier_list_remove(&exit_notifiers, notify);
1758
}
1759

    
1760
static void qemu_run_exit_notifiers(void)
1761
{
1762
    notifier_list_notify(&exit_notifiers);
1763
}
1764

    
1765
static const QEMUOption *lookup_opt(int argc, char **argv,
1766
                                    const char **poptarg, int *poptind)
1767
{
1768
    const QEMUOption *popt;
1769
    int optind = *poptind;
1770
    char *r = argv[optind];
1771
    const char *optarg;
1772

    
1773
    loc_set_cmdline(argv, optind, 1);
1774
    optind++;
1775
    /* Treat --foo the same as -foo.  */
1776
    if (r[1] == '-')
1777
        r++;
1778
    popt = qemu_options;
1779
    for(;;) {
1780
        if (!popt->name) {
1781
            error_report("invalid option");
1782
            exit(1);
1783
        }
1784
        if (!strcmp(popt->name, r + 1))
1785
            break;
1786
        popt++;
1787
    }
1788
    if (popt->flags & HAS_ARG) {
1789
        if (optind >= argc) {
1790
            error_report("requires an argument");
1791
            exit(1);
1792
        }
1793
        optarg = argv[optind++];
1794
        loc_set_cmdline(argv, optind - 2, 2);
1795
    } else {
1796
        optarg = NULL;
1797
    }
1798

    
1799
    *poptarg = optarg;
1800
    *poptind = optind;
1801

    
1802
    return popt;
1803
}
1804

    
1805
int main(int argc, char **argv, char **envp)
1806
{
1807
    const char *gdbstub_dev = NULL;
1808
    int i;
1809
    int snapshot, linux_boot;
1810
    const char *icount_option = NULL;
1811
    const char *initrd_filename;
1812
    const char *kernel_filename, *kernel_cmdline;
1813
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1814
    DisplayState *ds;
1815
    DisplayChangeListener *dcl;
1816
    int cyls, heads, secs, translation;
1817
    QemuOpts *hda_opts = NULL, *opts;
1818
    QemuOptsList *olist;
1819
    int optind;
1820
    const char *optarg;
1821
    const char *loadvm = NULL;
1822
    QEMUMachine *machine;
1823
    const char *cpu_model;
1824
    int tb_size;
1825
    const char *pid_file = NULL;
1826
    const char *incoming = NULL;
1827
    int show_vnc_port = 0;
1828
    int defconfig = 1;
1829

    
1830
#ifdef CONFIG_SIMPLE_TRACE
1831
    const char *trace_file = NULL;
1832
#endif
1833
    atexit(qemu_run_exit_notifiers);
1834
    error_set_progname(argv[0]);
1835

    
1836
    init_clocks();
1837

    
1838
    qemu_cache_utils_init(envp);
1839

    
1840
    QLIST_INIT (&vm_change_state_head);
1841
    os_setup_early_signal_handling();
1842

    
1843
    module_call_init(MODULE_INIT_MACHINE);
1844
    machine = find_default_machine();
1845
    cpu_model = NULL;
1846
    initrd_filename = NULL;
1847
    ram_size = 0;
1848
    snapshot = 0;
1849
    kernel_filename = NULL;
1850
    kernel_cmdline = "";
1851
    cyls = heads = secs = 0;
1852
    translation = BIOS_ATA_TRANSLATION_AUTO;
1853

    
1854
    for (i = 0; i < MAX_NODES; i++) {
1855
        node_mem[i] = 0;
1856
        node_cpumask[i] = 0;
1857
    }
1858

    
1859
    nb_numa_nodes = 0;
1860
    nb_nics = 0;
1861

    
1862
    tb_size = 0;
1863
    autostart= 1;
1864

    
1865
#ifdef CONFIG_VIRTFS
1866
    qemu_add_opts(&qemu_fsdev_opts);
1867
    qemu_add_opts(&qemu_virtfs_opts);
1868
#endif
1869

    
1870
    /* first pass of option parsing */
1871
    optind = 1;
1872
    while (optind < argc) {
1873
        if (argv[optind][0] != '-') {
1874
            /* disk image */
1875
            optind++;
1876
            continue;
1877
        } else {
1878
            const QEMUOption *popt;
1879

    
1880
            popt = lookup_opt(argc, argv, &optarg, &optind);
1881
            switch (popt->index) {
1882
            case QEMU_OPTION_nodefconfig:
1883
                defconfig=0;
1884
                break;
1885
            }
1886
        }
1887
    }
1888

    
1889
    if (defconfig) {
1890
        int ret;
1891

    
1892
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1893
        if (ret < 0 && ret != -ENOENT) {
1894
            exit(1);
1895
        }
1896

    
1897
        ret = qemu_read_config_file(arch_config_name);
1898
        if (ret < 0 && ret != -ENOENT) {
1899
            exit(1);
1900
        }
1901
    }
1902
    cpudef_init();
1903

    
1904
    /* second pass of option parsing */
1905
    optind = 1;
1906
    for(;;) {
1907
        if (optind >= argc)
1908
            break;
1909
        if (argv[optind][0] != '-') {
1910
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1911
        } else {
1912
            const QEMUOption *popt;
1913

    
1914
            popt = lookup_opt(argc, argv, &optarg, &optind);
1915
            if (!(popt->arch_mask & arch_type)) {
1916
                printf("Option %s not supported for this target\n", popt->name);
1917
                exit(1);
1918
            }
1919
            switch(popt->index) {
1920
            case QEMU_OPTION_M:
1921
                machine = find_machine(optarg);
1922
                if (!machine) {
1923
                    QEMUMachine *m;
1924
                    printf("Supported machines are:\n");
1925
                    for(m = first_machine; m != NULL; m = m->next) {
1926
                        if (m->alias)
1927
                            printf("%-10s %s (alias of %s)\n",
1928
                                   m->alias, m->desc, m->name);
1929
                        printf("%-10s %s%s\n",
1930
                               m->name, m->desc,
1931
                               m->is_default ? " (default)" : "");
1932
                    }
1933
                    exit(*optarg != '?');
1934
                }
1935
                break;
1936
            case QEMU_OPTION_cpu:
1937
                /* hw initialization will check this */
1938
                if (*optarg == '?') {
1939
                    list_cpus(stdout, &fprintf, optarg);
1940
                    exit(0);
1941
                } else {
1942
                    cpu_model = optarg;
1943
                }
1944
                break;
1945
            case QEMU_OPTION_initrd:
1946
                initrd_filename = optarg;
1947
                break;
1948
            case QEMU_OPTION_hda:
1949
                if (cyls == 0)
1950
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
1951
                else
1952
                    hda_opts = drive_add(optarg, HD_ALIAS
1953
                             ",cyls=%d,heads=%d,secs=%d%s",
1954
                             0, cyls, heads, secs,
1955
                             translation == BIOS_ATA_TRANSLATION_LBA ?
1956
                                 ",trans=lba" :
1957
                             translation == BIOS_ATA_TRANSLATION_NONE ?
1958
                                 ",trans=none" : "");
1959
                 break;
1960
            case QEMU_OPTION_hdb:
1961
            case QEMU_OPTION_hdc:
1962
            case QEMU_OPTION_hdd:
1963
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1964
                break;
1965
            case QEMU_OPTION_drive:
1966
                drive_add(NULL, "%s", optarg);
1967
                break;
1968
            case QEMU_OPTION_set:
1969
                if (qemu_set_option(optarg) != 0)
1970
                    exit(1);
1971
                break;
1972
            case QEMU_OPTION_global:
1973
                if (qemu_global_option(optarg) != 0)
1974
                    exit(1);
1975
                break;
1976
            case QEMU_OPTION_mtdblock:
1977
                drive_add(optarg, MTD_ALIAS);
1978
                break;
1979
            case QEMU_OPTION_sd:
1980
                drive_add(optarg, SD_ALIAS);
1981
                break;
1982
            case QEMU_OPTION_pflash:
1983
                drive_add(optarg, PFLASH_ALIAS);
1984
                break;
1985
            case QEMU_OPTION_snapshot:
1986
                snapshot = 1;
1987
                break;
1988
            case QEMU_OPTION_hdachs:
1989
                {
1990
                    const char *p;
1991
                    p = optarg;
1992
                    cyls = strtol(p, (char **)&p, 0);
1993
                    if (cyls < 1 || cyls > 16383)
1994
                        goto chs_fail;
1995
                    if (*p != ',')
1996
                        goto chs_fail;
1997
                    p++;
1998
                    heads = strtol(p, (char **)&p, 0);
1999
                    if (heads < 1 || heads > 16)
2000
                        goto chs_fail;
2001
                    if (*p != ',')
2002
                        goto chs_fail;
2003
                    p++;
2004
                    secs = strtol(p, (char **)&p, 0);
2005
                    if (secs < 1 || secs > 63)
2006
                        goto chs_fail;
2007
                    if (*p == ',') {
2008
                        p++;
2009
                        if (!strcmp(p, "none"))
2010
                            translation = BIOS_ATA_TRANSLATION_NONE;
2011
                        else if (!strcmp(p, "lba"))
2012
                            translation = BIOS_ATA_TRANSLATION_LBA;
2013
                        else if (!strcmp(p, "auto"))
2014
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2015
                        else
2016
                            goto chs_fail;
2017
                    } else if (*p != '\0') {
2018
                    chs_fail:
2019
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2020
                        exit(1);
2021
                    }
2022
                    if (hda_opts != NULL) {
2023
                        char num[16];
2024
                        snprintf(num, sizeof(num), "%d", cyls);
2025
                        qemu_opt_set(hda_opts, "cyls", num);
2026
                        snprintf(num, sizeof(num), "%d", heads);
2027
                        qemu_opt_set(hda_opts, "heads", num);
2028
                        snprintf(num, sizeof(num), "%d", secs);
2029
                        qemu_opt_set(hda_opts, "secs", num);
2030
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2031
                            qemu_opt_set(hda_opts, "trans", "lba");
2032
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2033
                            qemu_opt_set(hda_opts, "trans", "none");
2034
                    }
2035
                }
2036
                break;
2037
            case QEMU_OPTION_numa:
2038
                if (nb_numa_nodes >= MAX_NODES) {
2039
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2040
                    exit(1);
2041
                }
2042
                numa_add(optarg);
2043
                break;
2044
            case QEMU_OPTION_nographic:
2045
                display_type = DT_NOGRAPHIC;
2046
                break;
2047
#ifdef CONFIG_CURSES
2048
            case QEMU_OPTION_curses:
2049
                display_type = DT_CURSES;
2050
                break;
2051
#endif
2052
            case QEMU_OPTION_portrait:
2053
                graphic_rotate = 1;
2054
                break;
2055
            case QEMU_OPTION_kernel:
2056
                kernel_filename = optarg;
2057
                break;
2058
            case QEMU_OPTION_append:
2059
                kernel_cmdline = optarg;
2060
                break;
2061
            case QEMU_OPTION_cdrom:
2062
                drive_add(optarg, CDROM_ALIAS);
2063
                break;
2064
            case QEMU_OPTION_boot:
2065
                {
2066
                    static const char * const params[] = {
2067
                        "order", "once", "menu", NULL
2068
                    };
2069
                    char buf[sizeof(boot_devices)];
2070
                    char *standard_boot_devices;
2071
                    int legacy = 0;
2072

    
2073
                    if (!strchr(optarg, '=')) {
2074
                        legacy = 1;
2075
                        pstrcpy(buf, sizeof(buf), optarg);
2076
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2077
                        fprintf(stderr,
2078
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2079
                                buf, optarg);
2080
                        exit(1);
2081
                    }
2082

    
2083
                    if (legacy ||
2084
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2085
                        validate_bootdevices(buf);
2086
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2087
                    }
2088
                    if (!legacy) {
2089
                        if (get_param_value(buf, sizeof(buf),
2090
                                            "once", optarg)) {
2091
                            validate_bootdevices(buf);
2092
                            standard_boot_devices = qemu_strdup(boot_devices);
2093
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2094
                            qemu_register_reset(restore_boot_devices,
2095
                                                standard_boot_devices);
2096
                        }
2097
                        if (get_param_value(buf, sizeof(buf),
2098
                                            "menu", optarg)) {
2099
                            if (!strcmp(buf, "on")) {
2100
                                boot_menu = 1;
2101
                            } else if (!strcmp(buf, "off")) {
2102
                                boot_menu = 0;
2103
                            } else {
2104
                                fprintf(stderr,
2105
                                        "qemu: invalid option value '%s'\n",
2106
                                        buf);
2107
                                exit(1);
2108
                            }
2109
                        }
2110
                    }
2111
                }
2112
                break;
2113
            case QEMU_OPTION_fda:
2114
            case QEMU_OPTION_fdb:
2115
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2116
                break;
2117
            case QEMU_OPTION_no_fd_bootchk:
2118
                fd_bootchk = 0;
2119
                break;
2120
            case QEMU_OPTION_netdev:
2121
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2122
                    exit(1);
2123
                }
2124
                break;
2125
            case QEMU_OPTION_net:
2126
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2127
                    exit(1);
2128
                }
2129
                break;
2130
#ifdef CONFIG_SLIRP
2131
            case QEMU_OPTION_tftp:
2132
                legacy_tftp_prefix = optarg;
2133
                break;
2134
            case QEMU_OPTION_bootp:
2135
                legacy_bootp_filename = optarg;
2136
                break;
2137
            case QEMU_OPTION_redir:
2138
                if (net_slirp_redir(optarg) < 0)
2139
                    exit(1);
2140
                break;
2141
#endif
2142
            case QEMU_OPTION_bt:
2143
                add_device_config(DEV_BT, optarg);
2144
                break;
2145
            case QEMU_OPTION_audio_help:
2146
                if (!(audio_available())) {
2147
                    printf("Option %s not supported for this target\n", popt->name);
2148
                    exit(1);
2149
                }
2150
                AUD_help ();
2151
                exit (0);
2152
                break;
2153
            case QEMU_OPTION_soundhw:
2154
                if (!(audio_available())) {
2155
                    printf("Option %s not supported for this target\n", popt->name);
2156
                    exit(1);
2157
                }
2158
                select_soundhw (optarg);
2159
                break;
2160
            case QEMU_OPTION_h:
2161
                help(0);
2162
                break;
2163
            case QEMU_OPTION_version:
2164
                version();
2165
                exit(0);
2166
                break;
2167
            case QEMU_OPTION_m: {
2168
                uint64_t value;
2169
                char *ptr;
2170

    
2171
                value = strtoul(optarg, &ptr, 10);
2172
                switch (*ptr) {
2173
                case 0: case 'M': case 'm':
2174
                    value <<= 20;
2175
                    break;
2176
                case 'G': case 'g':
2177
                    value <<= 30;
2178
                    break;
2179
                default:
2180
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2181
                    exit(1);
2182
                }
2183

    
2184
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2185
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2186
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2187
                    exit(1);
2188
                }
2189
                if (value != (uint64_t)(ram_addr_t)value) {
2190
                    fprintf(stderr, "qemu: ram size too large\n");
2191
                    exit(1);
2192
                }
2193
                ram_size = value;
2194
                break;
2195
            }
2196
            case QEMU_OPTION_mempath:
2197
                mem_path = optarg;
2198
                break;
2199
#ifdef MAP_POPULATE
2200
            case QEMU_OPTION_mem_prealloc:
2201
                mem_prealloc = 1;
2202
                break;
2203
#endif
2204
            case QEMU_OPTION_d:
2205
                set_cpu_log(optarg);
2206
                break;
2207
            case QEMU_OPTION_s:
2208
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2209
                break;
2210
            case QEMU_OPTION_gdb:
2211
                gdbstub_dev = optarg;
2212
                break;
2213
            case QEMU_OPTION_L:
2214
                data_dir = optarg;
2215
                break;
2216
            case QEMU_OPTION_bios:
2217
                bios_name = optarg;
2218
                break;
2219
            case QEMU_OPTION_singlestep:
2220
                singlestep = 1;
2221
                break;
2222
            case QEMU_OPTION_S:
2223
                autostart = 0;
2224
                break;
2225
            case QEMU_OPTION_k:
2226
                keyboard_layout = optarg;
2227
                break;
2228
            case QEMU_OPTION_localtime:
2229
                rtc_utc = 0;
2230
                break;
2231
            case QEMU_OPTION_vga:
2232
                select_vgahw (optarg);
2233
                break;
2234
            case QEMU_OPTION_g:
2235
                {
2236
                    const char *p;
2237
                    int w, h, depth;
2238
                    p = optarg;
2239
                    w = strtol(p, (char **)&p, 10);
2240
                    if (w <= 0) {
2241
                    graphic_error:
2242
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2243
                        exit(1);
2244
                    }
2245
                    if (*p != 'x')
2246
                        goto graphic_error;
2247
                    p++;
2248
                    h = strtol(p, (char **)&p, 10);
2249
                    if (h <= 0)
2250
                        goto graphic_error;
2251
                    if (*p == 'x') {
2252
                        p++;
2253
                        depth = strtol(p, (char **)&p, 10);
2254
                        if (depth != 8 && depth != 15 && depth != 16 &&
2255
                            depth != 24 && depth != 32)
2256
                            goto graphic_error;
2257
                    } else if (*p == '\0') {
2258
                        depth = graphic_depth;
2259
                    } else {
2260
                        goto graphic_error;
2261
                    }
2262

    
2263
                    graphic_width = w;
2264
                    graphic_height = h;
2265
                    graphic_depth = depth;
2266
                }
2267
                break;
2268
            case QEMU_OPTION_echr:
2269
                {
2270
                    char *r;
2271
                    term_escape_char = strtol(optarg, &r, 0);
2272
                    if (r == optarg)
2273
                        printf("Bad argument to echr\n");
2274
                    break;
2275
                }
2276
            case QEMU_OPTION_monitor:
2277
                monitor_parse(optarg, "readline");
2278
                default_monitor = 0;
2279
                break;
2280
            case QEMU_OPTION_qmp:
2281
                monitor_parse(optarg, "control");
2282
                default_monitor = 0;
2283
                break;
2284
            case QEMU_OPTION_mon:
2285
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2286
                if (!opts) {
2287
                    exit(1);
2288
                }
2289
                default_monitor = 0;
2290
                break;
2291
            case QEMU_OPTION_chardev:
2292
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2293
                if (!opts) {
2294
                    exit(1);
2295
                }
2296
                break;
2297
            case QEMU_OPTION_fsdev:
2298
                olist = qemu_find_opts("fsdev");
2299
                if (!olist) {
2300
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2301
                    exit(1);
2302
                }
2303
                opts = qemu_opts_parse(olist, optarg, 1);
2304
                if (!opts) {
2305
                    fprintf(stderr, "parse error: %s\n", optarg);
2306
                    exit(1);
2307
                }
2308
                break;
2309
            case QEMU_OPTION_virtfs: {
2310
                char *arg_fsdev = NULL;
2311
                char *arg_9p = NULL;
2312
                int len = 0;
2313

    
2314
                olist = qemu_find_opts("virtfs");
2315
                if (!olist) {
2316
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2317
                    exit(1);
2318
                }
2319
                opts = qemu_opts_parse(olist, optarg, 1);
2320
                if (!opts) {
2321
                    fprintf(stderr, "parse error: %s\n", optarg);
2322
                    exit(1);
2323
                }
2324

    
2325
                if (qemu_opt_get(opts, "fstype") == NULL ||
2326
                        qemu_opt_get(opts, "mount_tag") == NULL ||
2327
                        qemu_opt_get(opts, "path") == NULL ||
2328
                        qemu_opt_get(opts, "security_model") == NULL) {
2329
                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2330
                            "security_model=[mapped|passthrough|none],"
2331
                            "mnt_tag=tag.\n");
2332
                    exit(1);
2333
                }
2334

    
2335
                len = strlen(",id=,path=,security_model=");
2336
                len += strlen(qemu_opt_get(opts, "fstype"));
2337
                len += strlen(qemu_opt_get(opts, "mount_tag"));
2338
                len += strlen(qemu_opt_get(opts, "path"));
2339
                len += strlen(qemu_opt_get(opts, "security_model"));
2340
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2341

    
2342
                snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2343
                         "%s,id=%s,path=%s,security_model=%s",
2344
                         qemu_opt_get(opts, "fstype"),
2345
                         qemu_opt_get(opts, "mount_tag"),
2346
                         qemu_opt_get(opts, "path"),
2347
                         qemu_opt_get(opts, "security_model"));
2348

    
2349
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2350
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2351
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2352

    
2353
                snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2354
                         "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2355
                         qemu_opt_get(opts, "mount_tag"),
2356
                         qemu_opt_get(opts, "mount_tag"));
2357

    
2358
                if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2359
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2360
                    exit(1);
2361
                }
2362

    
2363
                if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2364
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
2365
                    exit(1);
2366
                }
2367

    
2368
                qemu_free(arg_fsdev);
2369
                qemu_free(arg_9p);
2370
                break;
2371
            }
2372
            case QEMU_OPTION_serial:
2373
                add_device_config(DEV_SERIAL, optarg);
2374
                default_serial = 0;
2375
                if (strncmp(optarg, "mon:", 4) == 0) {
2376
                    default_monitor = 0;
2377
                }
2378
                break;
2379
            case QEMU_OPTION_watchdog:
2380
                if (watchdog) {
2381
                    fprintf(stderr,
2382
                            "qemu: only one watchdog option may be given\n");
2383
                    return 1;
2384
                }
2385
                watchdog = optarg;
2386
                break;
2387
            case QEMU_OPTION_watchdog_action:
2388
                if (select_watchdog_action(optarg) == -1) {
2389
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2390
                    exit(1);
2391
                }
2392
                break;
2393
            case QEMU_OPTION_virtiocon:
2394
                add_device_config(DEV_VIRTCON, optarg);
2395
                default_virtcon = 0;
2396
                if (strncmp(optarg, "mon:", 4) == 0) {
2397
                    default_monitor = 0;
2398
                }
2399
                break;
2400
            case QEMU_OPTION_parallel:
2401
                add_device_config(DEV_PARALLEL, optarg);
2402
                default_parallel = 0;
2403
                if (strncmp(optarg, "mon:", 4) == 0) {
2404
                    default_monitor = 0;
2405
                }
2406
                break;
2407
            case QEMU_OPTION_debugcon:
2408
                add_device_config(DEV_DEBUGCON, optarg);
2409
                break;
2410
            case QEMU_OPTION_loadvm:
2411
                loadvm = optarg;
2412
                break;
2413
            case QEMU_OPTION_full_screen:
2414
                full_screen = 1;
2415
                break;
2416
#ifdef CONFIG_SDL
2417
            case QEMU_OPTION_no_frame:
2418
                no_frame = 1;
2419
                break;
2420
            case QEMU_OPTION_alt_grab:
2421
                alt_grab = 1;
2422
                break;
2423
            case QEMU_OPTION_ctrl_grab:
2424
                ctrl_grab = 1;
2425
                break;
2426
            case QEMU_OPTION_no_quit:
2427
                no_quit = 1;
2428
                break;
2429
            case QEMU_OPTION_sdl:
2430
                display_type = DT_SDL;
2431
                break;
2432
#endif
2433
            case QEMU_OPTION_pidfile:
2434
                pid_file = optarg;
2435
                break;
2436
            case QEMU_OPTION_win2k_hack:
2437
                win2k_install_hack = 1;
2438
                break;
2439
            case QEMU_OPTION_rtc_td_hack:
2440
                rtc_td_hack = 1;
2441
                break;
2442
            case QEMU_OPTION_acpitable:
2443
                do_acpitable_option(optarg);
2444
                break;
2445
            case QEMU_OPTION_smbios:
2446
                do_smbios_option(optarg);
2447
                break;
2448
            case QEMU_OPTION_enable_kvm:
2449
                kvm_allowed = 1;
2450
                break;
2451
            case QEMU_OPTION_usb:
2452
                usb_enabled = 1;
2453
                break;
2454
            case QEMU_OPTION_usbdevice:
2455
                usb_enabled = 1;
2456
                add_device_config(DEV_USB, optarg);
2457
                break;
2458
            case QEMU_OPTION_device:
2459
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2460
                    exit(1);
2461
                }
2462
                break;
2463
            case QEMU_OPTION_smp:
2464
                smp_parse(optarg);
2465
                if (smp_cpus < 1) {
2466
                    fprintf(stderr, "Invalid number of CPUs\n");
2467
                    exit(1);
2468
                }
2469
                if (max_cpus < smp_cpus) {
2470
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2471
                            "smp\n");
2472
                    exit(1);
2473
                }
2474
                if (max_cpus > 255) {
2475
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2476
                    exit(1);
2477
                }
2478
                break;
2479
            case QEMU_OPTION_vnc:
2480
                display_type = DT_VNC;
2481
                vnc_display = optarg;
2482
                break;
2483
            case QEMU_OPTION_no_acpi:
2484
                acpi_enabled = 0;
2485
                break;
2486
            case QEMU_OPTION_no_hpet:
2487
                no_hpet = 1;
2488
                break;
2489
            case QEMU_OPTION_balloon:
2490
                if (balloon_parse(optarg) < 0) {
2491
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2492
                    exit(1);
2493
                }
2494
                break;
2495
            case QEMU_OPTION_no_reboot:
2496
                no_reboot = 1;
2497
                break;
2498
            case QEMU_OPTION_no_shutdown:
2499
                no_shutdown = 1;
2500
                break;
2501
            case QEMU_OPTION_show_cursor:
2502
                cursor_hide = 0;
2503
                break;
2504
            case QEMU_OPTION_uuid:
2505
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2506
                    fprintf(stderr, "Fail to parse UUID string."
2507
                            " Wrong format.\n");
2508
                    exit(1);
2509
                }
2510
                break;
2511
            case QEMU_OPTION_option_rom:
2512
                if (nb_option_roms >= MAX_OPTION_ROMS) {
2513
                    fprintf(stderr, "Too many option ROMs\n");
2514
                    exit(1);
2515
                }
2516
                option_rom[nb_option_roms] = optarg;
2517
                nb_option_roms++;
2518
                break;
2519
            case QEMU_OPTION_semihosting:
2520
                semihosting_enabled = 1;
2521
                break;
2522
            case QEMU_OPTION_name:
2523
                qemu_name = qemu_strdup(optarg);
2524
                 {
2525
                     char *p = strchr(qemu_name, ',');
2526
                     if (p != NULL) {
2527
                        *p++ = 0;
2528
                        if (strncmp(p, "process=", 8)) {
2529
                            fprintf(stderr, "Unknown subargument %s to -name", p);
2530
                            exit(1);
2531
                        }
2532
                        p += 8;
2533
                        os_set_proc_name(p);
2534
                     }        
2535
                 }        
2536
                break;
2537
            case QEMU_OPTION_prom_env:
2538
                if (nb_prom_envs >= MAX_PROM_ENVS) {
2539
                    fprintf(stderr, "Too many prom variables\n");
2540
                    exit(1);
2541
                }
2542
                prom_envs[nb_prom_envs] = optarg;
2543
                nb_prom_envs++;
2544
                break;
2545
            case QEMU_OPTION_old_param:
2546
                old_param = 1;
2547
                break;
2548
            case QEMU_OPTION_clock:
2549
                configure_alarms(optarg);
2550
                break;
2551
            case QEMU_OPTION_startdate:
2552
                configure_rtc_date_offset(optarg, 1);
2553
                break;
2554
            case QEMU_OPTION_rtc:
2555
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2556
                if (!opts) {
2557
                    exit(1);
2558
                }
2559
                configure_rtc(opts);
2560
                break;
2561
            case QEMU_OPTION_tb_size:
2562
                tb_size = strtol(optarg, NULL, 0);
2563
                if (tb_size < 0)
2564
                    tb_size = 0;
2565
                break;
2566
            case QEMU_OPTION_icount:
2567
                icount_option = optarg;
2568
                break;
2569
            case QEMU_OPTION_incoming:
2570
                incoming = optarg;
2571
                incoming_expected = true;
2572
                break;
2573
            case QEMU_OPTION_nodefaults:
2574
                default_serial = 0;
2575
                default_parallel = 0;
2576
                default_virtcon = 0;
2577
                default_monitor = 0;
2578
                default_vga = 0;
2579
                default_net = 0;
2580
                default_floppy = 0;
2581
                default_cdrom = 0;
2582
                default_sdcard = 0;
2583
                break;
2584
            case QEMU_OPTION_xen_domid:
2585
                if (!(xen_available())) {
2586
                    printf("Option %s not supported for this target\n", popt->name);
2587
                    exit(1);
2588
                }
2589
                xen_domid = atoi(optarg);
2590
                break;
2591
            case QEMU_OPTION_xen_create:
2592
                if (!(xen_available())) {
2593
                    printf("Option %s not supported for this target\n", popt->name);
2594
                    exit(1);
2595
                }
2596
                xen_mode = XEN_CREATE;
2597
                break;
2598
            case QEMU_OPTION_xen_attach:
2599
                if (!(xen_available())) {
2600
                    printf("Option %s not supported for this target\n", popt->name);
2601
                    exit(1);
2602
                }
2603
                xen_mode = XEN_ATTACH;
2604
                break;
2605
#ifdef CONFIG_SIMPLE_TRACE
2606
            case QEMU_OPTION_trace:
2607
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2608
                if (opts) {
2609
                    trace_file = qemu_opt_get(opts, "file");
2610
                }
2611
                break;
2612
#endif
2613
            case QEMU_OPTION_readconfig:
2614
                {
2615
                    int ret = qemu_read_config_file(optarg);
2616
                    if (ret < 0) {
2617
                        fprintf(stderr, "read config %s: %s\n", optarg,
2618
                            strerror(-ret));
2619
                        exit(1);
2620
                    }
2621
                    break;
2622
                }
2623
            case QEMU_OPTION_writeconfig:
2624
                {
2625
                    FILE *fp;
2626
                    if (strcmp(optarg, "-") == 0) {
2627
                        fp = stdout;
2628
                    } else {
2629
                        fp = fopen(optarg, "w");
2630
                        if (fp == NULL) {
2631
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2632
                            exit(1);
2633
                        }
2634
                    }
2635
                    qemu_config_write(fp);
2636
                    fclose(fp);
2637
                    break;
2638
                }
2639
            default:
2640
                os_parse_cmd_args(popt->index, optarg);
2641
            }
2642
        }
2643
    }
2644
    loc_set_none();
2645

    
2646
    /* If no data_dir is specified then try to find it relative to the
2647
       executable path.  */
2648
    if (!data_dir) {
2649
        data_dir = os_find_datadir(argv[0]);
2650
    }
2651
    /* If all else fails use the install patch specified when building.  */
2652
    if (!data_dir) {
2653
        data_dir = CONFIG_QEMU_DATADIR;
2654
    }
2655

    
2656
#ifdef CONFIG_SIMPLE_TRACE
2657
    /*
2658
     * Set the trace file name, if specified.
2659
     */
2660
    st_set_trace_file(trace_file);
2661
#endif
2662
    /*
2663
     * Default to max_cpus = smp_cpus, in case the user doesn't
2664
     * specify a max_cpus value.
2665
     */
2666
    if (!max_cpus)
2667
        max_cpus = smp_cpus;
2668

    
2669
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2670
    if (smp_cpus > machine->max_cpus) {
2671
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2672
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
2673
                machine->max_cpus);
2674
        exit(1);
2675
    }
2676

    
2677
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2678
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2679

    
2680
    if (machine->no_serial) {
2681
        default_serial = 0;
2682
    }
2683
    if (machine->no_parallel) {
2684
        default_parallel = 0;
2685
    }
2686
    if (!machine->use_virtcon) {
2687
        default_virtcon = 0;
2688
    }
2689
    if (machine->no_vga) {
2690
        default_vga = 0;
2691
    }
2692
    if (machine->no_floppy) {
2693
        default_floppy = 0;
2694
    }
2695
    if (machine->no_cdrom) {
2696
        default_cdrom = 0;
2697
    }
2698
    if (machine->no_sdcard) {
2699
        default_sdcard = 0;
2700
    }
2701

    
2702
    if (display_type == DT_NOGRAPHIC) {
2703
        if (default_parallel)
2704
            add_device_config(DEV_PARALLEL, "null");
2705
        if (default_serial && default_monitor) {
2706
            add_device_config(DEV_SERIAL, "mon:stdio");
2707
        } else if (default_virtcon && default_monitor) {
2708
            add_device_config(DEV_VIRTCON, "mon:stdio");
2709
        } else {
2710
            if (default_serial)
2711
                add_device_config(DEV_SERIAL, "stdio");
2712
            if (default_virtcon)
2713
                add_device_config(DEV_VIRTCON, "stdio");
2714
            if (default_monitor)
2715
                monitor_parse("stdio", "readline");
2716
        }
2717
    } else {
2718
        if (default_serial)
2719
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
2720
        if (default_parallel)
2721
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2722
        if (default_monitor)
2723
            monitor_parse("vc:80Cx24C", "readline");
2724
        if (default_virtcon)
2725
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2726
    }
2727
    if (default_vga)
2728
        vga_interface_type = VGA_CIRRUS;
2729

    
2730
    socket_init();
2731

    
2732
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2733
        exit(1);
2734
#ifdef CONFIG_VIRTFS
2735
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2736
        exit(1);
2737
    }
2738
#endif
2739

    
2740
    os_daemonize();
2741

    
2742
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2743
        os_pidfile_error();
2744
        exit(1);
2745
    }
2746

    
2747
    if (kvm_allowed) {
2748
        int ret = kvm_init(smp_cpus);
2749
        if (ret < 0) {
2750
            if (!kvm_available()) {
2751
                printf("KVM not supported for this target\n");
2752
            } else {
2753
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2754
            }
2755
            exit(1);
2756
        }
2757
    }
2758

    
2759
    if (qemu_init_main_loop()) {
2760
        fprintf(stderr, "qemu_init_main_loop failed\n");
2761
        exit(1);
2762
    }
2763
    linux_boot = (kernel_filename != NULL);
2764

    
2765
    if (!linux_boot && *kernel_cmdline != '\0') {
2766
        fprintf(stderr, "-append only allowed with -kernel option\n");
2767
        exit(1);
2768
    }
2769

    
2770
    if (!linux_boot && initrd_filename != NULL) {
2771
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
2772
        exit(1);
2773
    }
2774

    
2775
    os_set_line_buffering();
2776

    
2777
    if (init_timer_alarm() < 0) {
2778
        fprintf(stderr, "could not initialize alarm timer\n");
2779
        exit(1);
2780
    }
2781
    configure_icount(icount_option);
2782

    
2783
    if (net_init_clients() < 0) {
2784
        exit(1);
2785
    }
2786

    
2787
    /* init the bluetooth world */
2788
    if (foreach_device_config(DEV_BT, bt_parse))
2789
        exit(1);
2790

    
2791
    /* init the memory */
2792
    if (ram_size == 0)
2793
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2794

    
2795
    /* init the dynamic translator */
2796
    cpu_exec_init_all(tb_size * 1024 * 1024);
2797

    
2798
    bdrv_init_with_whitelist();
2799

    
2800
    blk_mig_init();
2801

    
2802
    if (default_cdrom) {
2803
        /* we always create the cdrom drive, even if no disk is there */
2804
        drive_add(NULL, CDROM_ALIAS);
2805
    }
2806

    
2807
    if (default_floppy) {
2808
        /* we always create at least one floppy */
2809
        drive_add(NULL, FD_ALIAS, 0);
2810
    }
2811

    
2812
    if (default_sdcard) {
2813
        /* we always create one sd slot, even if no card is in it */
2814
        drive_add(NULL, SD_ALIAS);
2815
    }
2816

    
2817
    /* open the virtual block devices */
2818
    if (snapshot)
2819
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2820
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2821
        exit(1);
2822

    
2823
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2824
                         ram_load, NULL);
2825

    
2826
    if (nb_numa_nodes > 0) {
2827
        int i;
2828

    
2829
        if (nb_numa_nodes > smp_cpus) {
2830
            nb_numa_nodes = smp_cpus;
2831
        }
2832

    
2833
        /* If no memory size if given for any node, assume the default case
2834
         * and distribute the available memory equally across all nodes
2835
         */
2836
        for (i = 0; i < nb_numa_nodes; i++) {
2837
            if (node_mem[i] != 0)
2838
                break;
2839
        }
2840
        if (i == nb_numa_nodes) {
2841
            uint64_t usedmem = 0;
2842

    
2843
            /* On Linux, the each node's border has to be 8MB aligned,
2844
             * the final node gets the rest.
2845
             */
2846
            for (i = 0; i < nb_numa_nodes - 1; i++) {
2847
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2848
                usedmem += node_mem[i];
2849
            }
2850
            node_mem[i] = ram_size - usedmem;
2851
        }
2852

    
2853
        for (i = 0; i < nb_numa_nodes; i++) {
2854
            if (node_cpumask[i] != 0)
2855
                break;
2856
        }
2857
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
2858
         * must cope with this anyway, because there are BIOSes out there in
2859
         * real machines which also use this scheme.
2860
         */
2861
        if (i == nb_numa_nodes) {
2862
            for (i = 0; i < smp_cpus; i++) {
2863
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
2864
            }
2865
        }
2866
    }
2867

    
2868
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2869
        exit(1);
2870
    }
2871

    
2872
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2873
        exit(1);
2874
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2875
        exit(1);
2876
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2877
        exit(1);
2878
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2879
        exit(1);
2880

    
2881
    module_call_init(MODULE_INIT_DEVICE);
2882

    
2883
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2884
        exit(0);
2885

    
2886
    if (watchdog) {
2887
        i = select_watchdog(watchdog);
2888
        if (i > 0)
2889
            exit (i == 1 ? 1 : 0);
2890
    }
2891

    
2892
    if (machine->compat_props) {
2893
        qdev_prop_register_global_list(machine->compat_props);
2894
    }
2895
    qemu_add_globals();
2896

    
2897
    machine->init(ram_size, boot_devices,
2898
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2899

    
2900
    cpu_synchronize_all_post_init();
2901

    
2902
    /* must be after terminal init, SDL library changes signal handlers */
2903
    os_setup_signal_handling();
2904

    
2905
    set_numa_modes();
2906

    
2907
    current_machine = machine;
2908

    
2909
    /* init USB devices */
2910
    if (usb_enabled) {
2911
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
2912
            exit(1);
2913
    }
2914

    
2915
    /* init generic devices */
2916
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
2917
        exit(1);
2918

    
2919
    net_check_clients();
2920

    
2921
    /* just use the first displaystate for the moment */
2922
    ds = get_displaystate();
2923

    
2924
    if (display_type == DT_DEFAULT) {
2925
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2926
        display_type = DT_SDL;
2927
#else
2928
        display_type = DT_VNC;
2929
        vnc_display = "localhost:0,to=99";
2930
        show_vnc_port = 1;
2931
#endif
2932
    }
2933
        
2934

    
2935
    switch (display_type) {
2936
    case DT_NOGRAPHIC:
2937
        break;
2938
#if defined(CONFIG_CURSES)
2939
    case DT_CURSES:
2940
        curses_display_init(ds, full_screen);
2941
        break;
2942
#endif
2943
#if defined(CONFIG_SDL)
2944
    case DT_SDL:
2945
        sdl_display_init(ds, full_screen, no_frame);
2946
        break;
2947
#elif defined(CONFIG_COCOA)
2948
    case DT_SDL:
2949
        cocoa_display_init(ds, full_screen);
2950
        break;
2951
#endif
2952
    case DT_VNC:
2953
        vnc_display_init(ds);
2954
        if (vnc_display_open(ds, vnc_display) < 0)
2955
            exit(1);
2956

    
2957
        if (show_vnc_port) {
2958
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2959
        }
2960
        break;
2961
    default:
2962
        break;
2963
    }
2964
    dpy_resize(ds);
2965

    
2966
    dcl = ds->listeners;
2967
    while (dcl != NULL) {
2968
        if (dcl->dpy_refresh != NULL) {
2969
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2970
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2971
            break;
2972
        }
2973
        dcl = dcl->next;
2974
    }
2975

    
2976
    if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
2977
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2978
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2979
    }
2980

    
2981
    text_consoles_set_display(ds);
2982

    
2983
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2984
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2985
                gdbstub_dev);
2986
        exit(1);
2987
    }
2988

    
2989
    qdev_machine_creation_done();
2990

    
2991
    if (rom_load_all() != 0) {
2992
        fprintf(stderr, "rom loading failed\n");
2993
        exit(1);
2994
    }
2995

    
2996
    qemu_system_reset();
2997
    if (loadvm) {
2998
        if (load_vmstate(loadvm) < 0) {
2999
            autostart = 0;
3000
        }
3001
    }
3002

    
3003
    if (incoming) {
3004
        int ret = qemu_start_incoming_migration(incoming);
3005
        if (ret < 0) {
3006
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3007
                    incoming, ret);
3008
            exit(ret);
3009
        }
3010
    } else if (autostart) {
3011
        vm_start();
3012
    }
3013

    
3014
    os_setup_post();
3015

    
3016
    main_loop();
3017
    quit_timers();
3018
    net_cleanup();
3019

    
3020
    return 0;
3021
}