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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
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 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <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_BSD
51
#include <sys/stat.h>
52
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
53
#include <libutil.h>
54
#include <sys/sysctl.h>
55
#else
56
#include <util.h>
57
#endif
58
#else
59
#ifdef __linux__
60
#include <pty.h>
61
#include <malloc.h>
62

    
63
#include <linux/ppdev.h>
64
#include <linux/parport.h>
65
#endif
66
#ifdef __sun__
67
#include <sys/stat.h>
68
#include <sys/ethernet.h>
69
#include <sys/sockio.h>
70
#include <netinet/arp.h>
71
#include <netinet/in_systm.h>
72
#include <netinet/ip.h>
73
#include <netinet/ip_icmp.h> // must come after ip.h
74
#include <netinet/udp.h>
75
#include <netinet/tcp.h>
76
#include <net/if.h>
77
#include <syslog.h>
78
#include <stropts.h>
79
/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
80
   discussion about Solaris header problems */
81
extern int madvise(caddr_t, size_t, int);
82
#endif
83
#endif
84
#endif
85

    
86
#if defined(__OpenBSD__)
87
#include <util.h>
88
#endif
89

    
90
#if defined(CONFIG_VDE)
91
#include <libvdeplug.h>
92
#endif
93

    
94
#ifdef _WIN32
95
#include <windows.h>
96
#endif
97

    
98
#ifdef CONFIG_SDL
99
#if defined(__APPLE__) || defined(main)
100
#include <SDL.h>
101
int qemu_main(int argc, char **argv, char **envp);
102
int main(int argc, char **argv)
103
{
104
    return qemu_main(argc, argv, NULL);
105
}
106
#undef main
107
#define main qemu_main
108
#endif
109
#endif /* CONFIG_SDL */
110

    
111
#ifdef CONFIG_COCOA
112
#undef main
113
#define main qemu_main
114
#endif /* CONFIG_COCOA */
115

    
116
#include "hw/hw.h"
117
#include "hw/boards.h"
118
#include "hw/usb.h"
119
#include "hw/pcmcia.h"
120
#include "hw/pc.h"
121
#include "hw/isa.h"
122
#include "hw/baum.h"
123
#include "hw/bt.h"
124
#include "hw/watchdog.h"
125
#include "hw/smbios.h"
126
#include "hw/xen.h"
127
#include "hw/qdev.h"
128
#include "hw/loader.h"
129
#include "bt-host.h"
130
#include "net.h"
131
#include "net/slirp.h"
132
#include "monitor.h"
133
#include "console.h"
134
#include "sysemu.h"
135
#include "gdbstub.h"
136
#include "qemu-timer.h"
137
#include "qemu-char.h"
138
#include "cache-utils.h"
139
#include "block.h"
140
#include "blockdev.h"
141
#include "block-migration.h"
142
#include "dma.h"
143
#include "audio/audio.h"
144
#include "migration.h"
145
#include "kvm.h"
146
#include "qemu-option.h"
147
#include "qemu-config.h"
148
#include "qemu-objects.h"
149
#include "qemu-options.h"
150
#ifdef CONFIG_VIRTFS
151
#include "fsdev/qemu-fsdev.h"
152
#endif
153

    
154
#include "disas.h"
155

    
156
#include "qemu_socket.h"
157

    
158
#include "slirp/libslirp.h"
159

    
160
#include "qemu-queue.h"
161
#include "cpus.h"
162
#include "arch_init.h"
163

    
164
//#define DEBUG_NET
165
//#define DEBUG_SLIRP
166

    
167
#define DEFAULT_RAM_SIZE 128
168

    
169
#define MAX_VIRTIO_CONSOLES 1
170

    
171
static const char *data_dir;
172
const char *bios_name = NULL;
173
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
174
DisplayType display_type = DT_DEFAULT;
175
const char* keyboard_layout = NULL;
176
ram_addr_t ram_size;
177
const char *mem_path = NULL;
178
#ifdef MAP_POPULATE
179
int mem_prealloc = 0; /* force preallocation of physical target memory */
180
#endif
181
int nb_nics;
182
NICInfo nd_table[MAX_NICS];
183
int vm_running;
184
int autostart;
185
int incoming_expected; /* Started with -incoming and waiting for incoming */
186
static int rtc_utc = 1;
187
static int rtc_date_offset = -1; /* -1 means no change */
188
QEMUClock *rtc_clock;
189
int vga_interface_type = VGA_NONE;
190
static int full_screen = 0;
191
#ifdef CONFIG_SDL
192
static int no_frame = 0;
193
#endif
194
int no_quit = 0;
195
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
196
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
197
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
198
int win2k_install_hack = 0;
199
int rtc_td_hack = 0;
200
int usb_enabled = 0;
201
int singlestep = 0;
202
int smp_cpus = 1;
203
int max_cpus = 0;
204
int smp_cores = 1;
205
int smp_threads = 1;
206
const char *vnc_display;
207
int acpi_enabled = 1;
208
int no_hpet = 0;
209
int fd_bootchk = 1;
210
int no_reboot = 0;
211
int no_shutdown = 0;
212
int cursor_hide = 1;
213
int graphic_rotate = 0;
214
uint8_t irq0override = 1;
215
const char *watchdog;
216
const char *option_rom[MAX_OPTION_ROMS];
217
int nb_option_roms;
218
int semihosting_enabled = 0;
219
int old_param = 0;
220
const char *qemu_name;
221
int alt_grab = 0;
222
int ctrl_grab = 0;
223
unsigned int nb_prom_envs = 0;
224
const char *prom_envs[MAX_PROM_ENVS];
225
int boot_menu;
226

    
227
int nb_numa_nodes;
228
uint64_t node_mem[MAX_NODES];
229
uint64_t node_cpumask[MAX_NODES];
230

    
231
static QEMUTimer *nographic_timer;
232

    
233
uint8_t qemu_uuid[16];
234

    
235
static QEMUBootSetHandler *boot_set_handler;
236
static void *boot_set_opaque;
237

    
238
static NotifierList exit_notifiers =
239
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
240

    
241
int kvm_allowed = 0;
242
uint32_t xen_domid;
243
enum xen_mode xen_mode = XEN_EMULATE;
244

    
245
static int default_serial = 1;
246
static int default_parallel = 1;
247
static int default_virtcon = 1;
248
static int default_monitor = 1;
249
static int default_vga = 1;
250
static int default_floppy = 1;
251
static int default_cdrom = 1;
252
static int default_sdcard = 1;
253

    
254
static struct {
255
    const char *driver;
256
    int *flag;
257
} default_list[] = {
258
    { .driver = "isa-serial",           .flag = &default_serial    },
259
    { .driver = "isa-parallel",         .flag = &default_parallel  },
260
    { .driver = "isa-fdc",              .flag = &default_floppy    },
261
    { .driver = "ide-drive",            .flag = &default_cdrom     },
262
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
263
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
264
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
265
    { .driver = "VGA",                  .flag = &default_vga       },
266
    { .driver = "cirrus-vga",           .flag = &default_vga       },
267
    { .driver = "vmware-svga",          .flag = &default_vga       },
268
};
269

    
270
static int default_driver_check(QemuOpts *opts, void *opaque)
271
{
272
    const char *driver = qemu_opt_get(opts, "driver");
273
    int i;
274

    
275
    if (!driver)
276
        return 0;
277
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
278
        if (strcmp(default_list[i].driver, driver) != 0)
279
            continue;
280
        *(default_list[i].flag) = 0;
281
    }
282
    return 0;
283
}
284

    
285
/***********************************************************/
286
/* real time host monotonic timer */
287

    
288
/* compute with 96 bit intermediate result: (a*b)/c */
289
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
290
{
291
    union {
292
        uint64_t ll;
293
        struct {
294
#ifdef HOST_WORDS_BIGENDIAN
295
            uint32_t high, low;
296
#else
297
            uint32_t low, high;
298
#endif
299
        } l;
300
    } u, res;
301
    uint64_t rl, rh;
302

    
303
    u.ll = a;
304
    rl = (uint64_t)u.l.low * (uint64_t)b;
305
    rh = (uint64_t)u.l.high * (uint64_t)b;
306
    rh += (rl >> 32);
307
    res.l.high = rh / c;
308
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
309
    return res.ll;
310
}
311

    
312
/***********************************************************/
313
/* host time/date access */
314
void qemu_get_timedate(struct tm *tm, int offset)
315
{
316
    time_t ti;
317
    struct tm *ret;
318

    
319
    time(&ti);
320
    ti += offset;
321
    if (rtc_date_offset == -1) {
322
        if (rtc_utc)
323
            ret = gmtime(&ti);
324
        else
325
            ret = localtime(&ti);
326
    } else {
327
        ti -= rtc_date_offset;
328
        ret = gmtime(&ti);
329
    }
330

    
331
    memcpy(tm, ret, sizeof(struct tm));
332
}
333

    
334
int qemu_timedate_diff(struct tm *tm)
335
{
336
    time_t seconds;
337

    
338
    if (rtc_date_offset == -1)
339
        if (rtc_utc)
340
            seconds = mktimegm(tm);
341
        else
342
            seconds = mktime(tm);
343
    else
344
        seconds = mktimegm(tm) + rtc_date_offset;
345

    
346
    return seconds - time(NULL);
347
}
348

    
349
void rtc_change_mon_event(struct tm *tm)
350
{
351
    QObject *data;
352

    
353
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
354
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
355
    qobject_decref(data);
356
}
357

    
358
static void configure_rtc_date_offset(const char *startdate, int legacy)
359
{
360
    time_t rtc_start_date;
361
    struct tm tm;
362

    
363
    if (!strcmp(startdate, "now") && legacy) {
364
        rtc_date_offset = -1;
365
    } else {
366
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
367
                   &tm.tm_year,
368
                   &tm.tm_mon,
369
                   &tm.tm_mday,
370
                   &tm.tm_hour,
371
                   &tm.tm_min,
372
                   &tm.tm_sec) == 6) {
373
            /* OK */
374
        } else if (sscanf(startdate, "%d-%d-%d",
375
                          &tm.tm_year,
376
                          &tm.tm_mon,
377
                          &tm.tm_mday) == 3) {
378
            tm.tm_hour = 0;
379
            tm.tm_min = 0;
380
            tm.tm_sec = 0;
381
        } else {
382
            goto date_fail;
383
        }
384
        tm.tm_year -= 1900;
385
        tm.tm_mon--;
386
        rtc_start_date = mktimegm(&tm);
387
        if (rtc_start_date == -1) {
388
        date_fail:
389
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
390
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
391
            exit(1);
392
        }
393
        rtc_date_offset = time(NULL) - rtc_start_date;
394
    }
395
}
396

    
397
static void configure_rtc(QemuOpts *opts)
398
{
399
    const char *value;
400

    
401
    value = qemu_opt_get(opts, "base");
402
    if (value) {
403
        if (!strcmp(value, "utc")) {
404
            rtc_utc = 1;
405
        } else if (!strcmp(value, "localtime")) {
406
            rtc_utc = 0;
407
        } else {
408
            configure_rtc_date_offset(value, 0);
409
        }
410
    }
411
    value = qemu_opt_get(opts, "clock");
412
    if (value) {
413
        if (!strcmp(value, "host")) {
414
            rtc_clock = host_clock;
415
        } else if (!strcmp(value, "vm")) {
416
            rtc_clock = vm_clock;
417
        } else {
418
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
419
            exit(1);
420
        }
421
    }
422
    value = qemu_opt_get(opts, "driftfix");
423
    if (value) {
424
        if (!strcmp(value, "slew")) {
425
            rtc_td_hack = 1;
426
        } else if (!strcmp(value, "none")) {
427
            rtc_td_hack = 0;
428
        } else {
429
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
430
            exit(1);
431
        }
432
    }
433
}
434

    
435
/***********************************************************/
436
/* Bluetooth support */
437
static int nb_hcis;
438
static int cur_hci;
439
static struct HCIInfo *hci_table[MAX_NICS];
440

    
441
static struct bt_vlan_s {
442
    struct bt_scatternet_s net;
443
    int id;
444
    struct bt_vlan_s *next;
445
} *first_bt_vlan;
446

    
447
/* find or alloc a new bluetooth "VLAN" */
448
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
449
{
450
    struct bt_vlan_s **pvlan, *vlan;
451
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
452
        if (vlan->id == id)
453
            return &vlan->net;
454
    }
455
    vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
456
    vlan->id = id;
457
    pvlan = &first_bt_vlan;
458
    while (*pvlan != NULL)
459
        pvlan = &(*pvlan)->next;
460
    *pvlan = vlan;
461
    return &vlan->net;
462
}
463

    
464
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
465
{
466
}
467

    
468
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
469
{
470
    return -ENOTSUP;
471
}
472

    
473
static struct HCIInfo null_hci = {
474
    .cmd_send = null_hci_send,
475
    .sco_send = null_hci_send,
476
    .acl_send = null_hci_send,
477
    .bdaddr_set = null_hci_addr_set,
478
};
479

    
480
struct HCIInfo *qemu_next_hci(void)
481
{
482
    if (cur_hci == nb_hcis)
483
        return &null_hci;
484

    
485
    return hci_table[cur_hci++];
486
}
487

    
488
static struct HCIInfo *hci_init(const char *str)
489
{
490
    char *endp;
491
    struct bt_scatternet_s *vlan = 0;
492

    
493
    if (!strcmp(str, "null"))
494
        /* null */
495
        return &null_hci;
496
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
497
        /* host[:hciN] */
498
        return bt_host_hci(str[4] ? str + 5 : "hci0");
499
    else if (!strncmp(str, "hci", 3)) {
500
        /* hci[,vlan=n] */
501
        if (str[3]) {
502
            if (!strncmp(str + 3, ",vlan=", 6)) {
503
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
504
                if (*endp)
505
                    vlan = 0;
506
            }
507
        } else
508
            vlan = qemu_find_bt_vlan(0);
509
        if (vlan)
510
           return bt_new_hci(vlan);
511
    }
512

    
513
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
514

    
515
    return 0;
516
}
517

    
518
static int bt_hci_parse(const char *str)
519
{
520
    struct HCIInfo *hci;
521
    bdaddr_t bdaddr;
522

    
523
    if (nb_hcis >= MAX_NICS) {
524
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
525
        return -1;
526
    }
527

    
528
    hci = hci_init(str);
529
    if (!hci)
530
        return -1;
531

    
532
    bdaddr.b[0] = 0x52;
533
    bdaddr.b[1] = 0x54;
534
    bdaddr.b[2] = 0x00;
535
    bdaddr.b[3] = 0x12;
536
    bdaddr.b[4] = 0x34;
537
    bdaddr.b[5] = 0x56 + nb_hcis;
538
    hci->bdaddr_set(hci, bdaddr.b);
539

    
540
    hci_table[nb_hcis++] = hci;
541

    
542
    return 0;
543
}
544

    
545
static void bt_vhci_add(int vlan_id)
546
{
547
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
548

    
549
    if (!vlan->slave)
550
        fprintf(stderr, "qemu: warning: adding a VHCI to "
551
                        "an empty scatternet %i\n", vlan_id);
552

    
553
    bt_vhci_init(bt_new_hci(vlan));
554
}
555

    
556
static struct bt_device_s *bt_device_add(const char *opt)
557
{
558
    struct bt_scatternet_s *vlan;
559
    int vlan_id = 0;
560
    char *endp = strstr(opt, ",vlan=");
561
    int len = (endp ? endp - opt : strlen(opt)) + 1;
562
    char devname[10];
563

    
564
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
565

    
566
    if (endp) {
567
        vlan_id = strtol(endp + 6, &endp, 0);
568
        if (*endp) {
569
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
570
            return 0;
571
        }
572
    }
573

    
574
    vlan = qemu_find_bt_vlan(vlan_id);
575

    
576
    if (!vlan->slave)
577
        fprintf(stderr, "qemu: warning: adding a slave device to "
578
                        "an empty scatternet %i\n", vlan_id);
579

    
580
    if (!strcmp(devname, "keyboard"))
581
        return bt_keyboard_init(vlan);
582

    
583
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
584
    return 0;
585
}
586

    
587
static int bt_parse(const char *opt)
588
{
589
    const char *endp, *p;
590
    int vlan;
591

    
592
    if (strstart(opt, "hci", &endp)) {
593
        if (!*endp || *endp == ',') {
594
            if (*endp)
595
                if (!strstart(endp, ",vlan=", 0))
596
                    opt = endp + 1;
597

    
598
            return bt_hci_parse(opt);
599
       }
600
    } else if (strstart(opt, "vhci", &endp)) {
601
        if (!*endp || *endp == ',') {
602
            if (*endp) {
603
                if (strstart(endp, ",vlan=", &p)) {
604
                    vlan = strtol(p, (char **) &endp, 0);
605
                    if (*endp) {
606
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
607
                        return 1;
608
                    }
609
                } else {
610
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
611
                    return 1;
612
                }
613
            } else
614
                vlan = 0;
615

    
616
            bt_vhci_add(vlan);
617
            return 0;
618
        }
619
    } else if (strstart(opt, "device:", &endp))
620
        return !bt_device_add(endp);
621

    
622
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
623
    return 1;
624
}
625

    
626
/***********************************************************/
627
/* QEMU Block devices */
628

    
629
#define HD_ALIAS "index=%d,media=disk"
630
#define CDROM_ALIAS "index=2,media=cdrom"
631
#define FD_ALIAS "index=%d,if=floppy"
632
#define PFLASH_ALIAS "if=pflash"
633
#define MTD_ALIAS "if=mtd"
634
#define SD_ALIAS "index=0,if=sd"
635

    
636
static int drive_init_func(QemuOpts *opts, void *opaque)
637
{
638
    int *use_scsi = opaque;
639
    int fatal_error = 0;
640

    
641
    if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
642
        if (fatal_error)
643
            return 1;
644
    }
645
    return 0;
646
}
647

    
648
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
649
{
650
    if (NULL == qemu_opt_get(opts, "snapshot")) {
651
        qemu_opt_set(opts, "snapshot", "on");
652
    }
653
    return 0;
654
}
655

    
656
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
657
{
658
    boot_set_handler = func;
659
    boot_set_opaque = opaque;
660
}
661

    
662
int qemu_boot_set(const char *boot_devices)
663
{
664
    if (!boot_set_handler) {
665
        return -EINVAL;
666
    }
667
    return boot_set_handler(boot_set_opaque, boot_devices);
668
}
669

    
670
static void validate_bootdevices(char *devices)
671
{
672
    /* We just do some generic consistency checks */
673
    const char *p;
674
    int bitmap = 0;
675

    
676
    for (p = devices; *p != '\0'; p++) {
677
        /* Allowed boot devices are:
678
         * a-b: floppy disk drives
679
         * c-f: IDE disk drives
680
         * g-m: machine implementation dependant drives
681
         * n-p: network devices
682
         * It's up to each machine implementation to check if the given boot
683
         * devices match the actual hardware implementation and firmware
684
         * features.
685
         */
686
        if (*p < 'a' || *p > 'p') {
687
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
688
            exit(1);
689
        }
690
        if (bitmap & (1 << (*p - 'a'))) {
691
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
692
            exit(1);
693
        }
694
        bitmap |= 1 << (*p - 'a');
695
    }
696
}
697

    
698
static void restore_boot_devices(void *opaque)
699
{
700
    char *standard_boot_devices = opaque;
701
    static int first = 1;
702

    
703
    /* Restore boot order and remove ourselves after the first boot */
704
    if (first) {
705
        first = 0;
706
        return;
707
    }
708

    
709
    qemu_boot_set(standard_boot_devices);
710

    
711
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
712
    qemu_free(standard_boot_devices);
713
}
714

    
715
static void numa_add(const char *optarg)
716
{
717
    char option[128];
718
    char *endptr;
719
    unsigned long long value, endvalue;
720
    int nodenr;
721

    
722
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
723
    if (!strcmp(option, "node")) {
724
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
725
            nodenr = nb_numa_nodes;
726
        } else {
727
            nodenr = strtoull(option, NULL, 10);
728
        }
729

    
730
        if (get_param_value(option, 128, "mem", optarg) == 0) {
731
            node_mem[nodenr] = 0;
732
        } else {
733
            value = strtoull(option, &endptr, 0);
734
            switch (*endptr) {
735
            case 0: case 'M': case 'm':
736
                value <<= 20;
737
                break;
738
            case 'G': case 'g':
739
                value <<= 30;
740
                break;
741
            }
742
            node_mem[nodenr] = value;
743
        }
744
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
745
            node_cpumask[nodenr] = 0;
746
        } else {
747
            value = strtoull(option, &endptr, 10);
748
            if (value >= 64) {
749
                value = 63;
750
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
751
            } else {
752
                if (*endptr == '-') {
753
                    endvalue = strtoull(endptr+1, &endptr, 10);
754
                    if (endvalue >= 63) {
755
                        endvalue = 62;
756
                        fprintf(stderr,
757
                            "only 63 CPUs in NUMA mode supported.\n");
758
                    }
759
                    value = (2ULL << endvalue) - (1ULL << value);
760
                } else {
761
                    value = 1ULL << value;
762
                }
763
            }
764
            node_cpumask[nodenr] = value;
765
        }
766
        nb_numa_nodes++;
767
    }
768
    return;
769
}
770

    
771
static void smp_parse(const char *optarg)
772
{
773
    int smp, sockets = 0, threads = 0, cores = 0;
774
    char *endptr;
775
    char option[128];
776

    
777
    smp = strtoul(optarg, &endptr, 10);
778
    if (endptr != optarg) {
779
        if (*endptr == ',') {
780
            endptr++;
781
        }
782
    }
783
    if (get_param_value(option, 128, "sockets", endptr) != 0)
784
        sockets = strtoull(option, NULL, 10);
785
    if (get_param_value(option, 128, "cores", endptr) != 0)
786
        cores = strtoull(option, NULL, 10);
787
    if (get_param_value(option, 128, "threads", endptr) != 0)
788
        threads = strtoull(option, NULL, 10);
789
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
790
        max_cpus = strtoull(option, NULL, 10);
791

    
792
    /* compute missing values, prefer sockets over cores over threads */
793
    if (smp == 0 || sockets == 0) {
794
        sockets = sockets > 0 ? sockets : 1;
795
        cores = cores > 0 ? cores : 1;
796
        threads = threads > 0 ? threads : 1;
797
        if (smp == 0) {
798
            smp = cores * threads * sockets;
799
        }
800
    } else {
801
        if (cores == 0) {
802
            threads = threads > 0 ? threads : 1;
803
            cores = smp / (sockets * threads);
804
        } else {
805
            threads = smp / (cores * sockets);
806
        }
807
    }
808
    smp_cpus = smp;
809
    smp_cores = cores > 0 ? cores : 1;
810
    smp_threads = threads > 0 ? threads : 1;
811
    if (max_cpus == 0)
812
        max_cpus = smp_cpus;
813
}
814

    
815
/***********************************************************/
816
/* USB devices */
817

    
818
static int usb_device_add(const char *devname)
819
{
820
    const char *p;
821
    USBDevice *dev = NULL;
822

    
823
    if (!usb_enabled)
824
        return -1;
825

    
826
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
827
    dev = usbdevice_create(devname);
828
    if (dev)
829
        goto done;
830

    
831
    /* the other ones */
832
    if (strstart(devname, "host:", &p)) {
833
        dev = usb_host_device_open(p);
834
    } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
835
        dev = usb_bt_init(devname[2] ? hci_init(p) :
836
                        bt_new_hci(qemu_find_bt_vlan(0)));
837
    } else {
838
        return -1;
839
    }
840
    if (!dev)
841
        return -1;
842

    
843
done:
844
    return 0;
845
}
846

    
847
static int usb_device_del(const char *devname)
848
{
849
    int bus_num, addr;
850
    const char *p;
851

    
852
    if (strstart(devname, "host:", &p))
853
        return usb_host_device_close(p);
854

    
855
    if (!usb_enabled)
856
        return -1;
857

    
858
    p = strchr(devname, '.');
859
    if (!p)
860
        return -1;
861
    bus_num = strtoul(devname, NULL, 0);
862
    addr = strtoul(p + 1, NULL, 0);
863

    
864
    return usb_device_delete_addr(bus_num, addr);
865
}
866

    
867
static int usb_parse(const char *cmdline)
868
{
869
    int r;
870
    r = usb_device_add(cmdline);
871
    if (r < 0) {
872
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
873
    }
874
    return r;
875
}
876

    
877
void do_usb_add(Monitor *mon, const QDict *qdict)
878
{
879
    const char *devname = qdict_get_str(qdict, "devname");
880
    if (usb_device_add(devname) < 0) {
881
        error_report("could not add USB device '%s'", devname);
882
    }
883
}
884

    
885
void do_usb_del(Monitor *mon, const QDict *qdict)
886
{
887
    const char *devname = qdict_get_str(qdict, "devname");
888
    if (usb_device_del(devname) < 0) {
889
        error_report("could not delete USB device '%s'", devname);
890
    }
891
}
892

    
893
/***********************************************************/
894
/* PCMCIA/Cardbus */
895

    
896
static struct pcmcia_socket_entry_s {
897
    PCMCIASocket *socket;
898
    struct pcmcia_socket_entry_s *next;
899
} *pcmcia_sockets = 0;
900

    
901
void pcmcia_socket_register(PCMCIASocket *socket)
902
{
903
    struct pcmcia_socket_entry_s *entry;
904

    
905
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
906
    entry->socket = socket;
907
    entry->next = pcmcia_sockets;
908
    pcmcia_sockets = entry;
909
}
910

    
911
void pcmcia_socket_unregister(PCMCIASocket *socket)
912
{
913
    struct pcmcia_socket_entry_s *entry, **ptr;
914

    
915
    ptr = &pcmcia_sockets;
916
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
917
        if (entry->socket == socket) {
918
            *ptr = entry->next;
919
            qemu_free(entry);
920
        }
921
}
922

    
923
void pcmcia_info(Monitor *mon)
924
{
925
    struct pcmcia_socket_entry_s *iter;
926

    
927
    if (!pcmcia_sockets)
928
        monitor_printf(mon, "No PCMCIA sockets\n");
929

    
930
    for (iter = pcmcia_sockets; iter; iter = iter->next)
931
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
932
                       iter->socket->attached ? iter->socket->card_string :
933
                       "Empty");
934
}
935

    
936
/***********************************************************/
937
/* I/O handling */
938

    
939
typedef struct IOHandlerRecord {
940
    int fd;
941
    IOCanReadHandler *fd_read_poll;
942
    IOHandler *fd_read;
943
    IOHandler *fd_write;
944
    int deleted;
945
    void *opaque;
946
    /* temporary data */
947
    struct pollfd *ufd;
948
    QLIST_ENTRY(IOHandlerRecord) next;
949
} IOHandlerRecord;
950

    
951
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
952
    QLIST_HEAD_INITIALIZER(io_handlers);
953

    
954

    
955
/* XXX: fd_read_poll should be suppressed, but an API change is
956
   necessary in the character devices to suppress fd_can_read(). */
957
int qemu_set_fd_handler2(int fd,
958
                         IOCanReadHandler *fd_read_poll,
959
                         IOHandler *fd_read,
960
                         IOHandler *fd_write,
961
                         void *opaque)
962
{
963
    IOHandlerRecord *ioh;
964

    
965
    if (!fd_read && !fd_write) {
966
        QLIST_FOREACH(ioh, &io_handlers, next) {
967
            if (ioh->fd == fd) {
968
                ioh->deleted = 1;
969
                break;
970
            }
971
        }
972
    } else {
973
        QLIST_FOREACH(ioh, &io_handlers, next) {
974
            if (ioh->fd == fd)
975
                goto found;
976
        }
977
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
978
        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
979
    found:
980
        ioh->fd = fd;
981
        ioh->fd_read_poll = fd_read_poll;
982
        ioh->fd_read = fd_read;
983
        ioh->fd_write = fd_write;
984
        ioh->opaque = opaque;
985
        ioh->deleted = 0;
986
    }
987
    return 0;
988
}
989

    
990
int qemu_set_fd_handler(int fd,
991
                        IOHandler *fd_read,
992
                        IOHandler *fd_write,
993
                        void *opaque)
994
{
995
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
996
}
997

    
998
/***********************************************************/
999
/* machine registration */
1000

    
1001
static QEMUMachine *first_machine = NULL;
1002
QEMUMachine *current_machine = NULL;
1003

    
1004
int qemu_register_machine(QEMUMachine *m)
1005
{
1006
    QEMUMachine **pm;
1007
    pm = &first_machine;
1008
    while (*pm != NULL)
1009
        pm = &(*pm)->next;
1010
    m->next = NULL;
1011
    *pm = m;
1012
    return 0;
1013
}
1014

    
1015
static QEMUMachine *find_machine(const char *name)
1016
{
1017
    QEMUMachine *m;
1018

    
1019
    for(m = first_machine; m != NULL; m = m->next) {
1020
        if (!strcmp(m->name, name))
1021
            return m;
1022
        if (m->alias && !strcmp(m->alias, name))
1023
            return m;
1024
    }
1025
    return NULL;
1026
}
1027

    
1028
static QEMUMachine *find_default_machine(void)
1029
{
1030
    QEMUMachine *m;
1031

    
1032
    for(m = first_machine; m != NULL; m = m->next) {
1033
        if (m->is_default) {
1034
            return m;
1035
        }
1036
    }
1037
    return NULL;
1038
}
1039

    
1040
/***********************************************************/
1041
/* main execution loop */
1042

    
1043
static void gui_update(void *opaque)
1044
{
1045
    uint64_t interval = GUI_REFRESH_INTERVAL;
1046
    DisplayState *ds = opaque;
1047
    DisplayChangeListener *dcl = ds->listeners;
1048

    
1049
    qemu_flush_coalesced_mmio_buffer();
1050
    dpy_refresh(ds);
1051

    
1052
    while (dcl != NULL) {
1053
        if (dcl->gui_timer_interval &&
1054
            dcl->gui_timer_interval < interval)
1055
            interval = dcl->gui_timer_interval;
1056
        dcl = dcl->next;
1057
    }
1058
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1059
}
1060

    
1061
static void nographic_update(void *opaque)
1062
{
1063
    uint64_t interval = GUI_REFRESH_INTERVAL;
1064

    
1065
    qemu_flush_coalesced_mmio_buffer();
1066
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1067
}
1068

    
1069
struct vm_change_state_entry {
1070
    VMChangeStateHandler *cb;
1071
    void *opaque;
1072
    QLIST_ENTRY (vm_change_state_entry) entries;
1073
};
1074

    
1075
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1076

    
1077
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1078
                                                     void *opaque)
1079
{
1080
    VMChangeStateEntry *e;
1081

    
1082
    e = qemu_mallocz(sizeof (*e));
1083

    
1084
    e->cb = cb;
1085
    e->opaque = opaque;
1086
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1087
    return e;
1088
}
1089

    
1090
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1091
{
1092
    QLIST_REMOVE (e, entries);
1093
    qemu_free (e);
1094
}
1095

    
1096
void vm_state_notify(int running, int reason)
1097
{
1098
    VMChangeStateEntry *e;
1099

    
1100
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1101
        e->cb(e->opaque, running, reason);
1102
    }
1103
}
1104

    
1105
void vm_start(void)
1106
{
1107
    if (!vm_running) {
1108
        cpu_enable_ticks();
1109
        vm_running = 1;
1110
        vm_state_notify(1, 0);
1111
        resume_all_vcpus();
1112
        monitor_protocol_event(QEVENT_RESUME, NULL);
1113
    }
1114
}
1115

    
1116
/* reset/shutdown handler */
1117

    
1118
typedef struct QEMUResetEntry {
1119
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1120
    QEMUResetHandler *func;
1121
    void *opaque;
1122
} QEMUResetEntry;
1123

    
1124
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1125
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1126
static int reset_requested;
1127
static int shutdown_requested;
1128
static int powerdown_requested;
1129
int debug_requested;
1130
int vmstop_requested;
1131

    
1132
int qemu_shutdown_requested(void)
1133
{
1134
    int r = shutdown_requested;
1135
    shutdown_requested = 0;
1136
    return r;
1137
}
1138

    
1139
int qemu_reset_requested(void)
1140
{
1141
    int r = reset_requested;
1142
    reset_requested = 0;
1143
    return r;
1144
}
1145

    
1146
int qemu_powerdown_requested(void)
1147
{
1148
    int r = powerdown_requested;
1149
    powerdown_requested = 0;
1150
    return r;
1151
}
1152

    
1153
static int qemu_debug_requested(void)
1154
{
1155
    int r = debug_requested;
1156
    debug_requested = 0;
1157
    return r;
1158
}
1159

    
1160
static int qemu_vmstop_requested(void)
1161
{
1162
    int r = vmstop_requested;
1163
    vmstop_requested = 0;
1164
    return r;
1165
}
1166

    
1167
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1168
{
1169
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1170

    
1171
    re->func = func;
1172
    re->opaque = opaque;
1173
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1174
}
1175

    
1176
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1177
{
1178
    QEMUResetEntry *re;
1179

    
1180
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1181
        if (re->func == func && re->opaque == opaque) {
1182
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1183
            qemu_free(re);
1184
            return;
1185
        }
1186
    }
1187
}
1188

    
1189
void qemu_system_reset(void)
1190
{
1191
    QEMUResetEntry *re, *nre;
1192

    
1193
    /* reset all devices */
1194
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1195
        re->func(re->opaque);
1196
    }
1197
    monitor_protocol_event(QEVENT_RESET, NULL);
1198
    cpu_synchronize_all_post_reset();
1199
}
1200

    
1201
void qemu_system_reset_request(void)
1202
{
1203
    if (no_reboot) {
1204
        shutdown_requested = 1;
1205
    } else {
1206
        reset_requested = 1;
1207
    }
1208
    qemu_notify_event();
1209
}
1210

    
1211
void qemu_system_shutdown_request(void)
1212
{
1213
    shutdown_requested = 1;
1214
    qemu_notify_event();
1215
}
1216

    
1217
void qemu_system_powerdown_request(void)
1218
{
1219
    powerdown_requested = 1;
1220
    qemu_notify_event();
1221
}
1222

    
1223
void main_loop_wait(int nonblocking)
1224
{
1225
    IOHandlerRecord *ioh;
1226
    fd_set rfds, wfds, xfds;
1227
    int ret, nfds;
1228
    struct timeval tv;
1229
    int timeout;
1230

    
1231
    if (nonblocking)
1232
        timeout = 0;
1233
    else {
1234
        timeout = qemu_calculate_timeout();
1235
        qemu_bh_update_timeout(&timeout);
1236
    }
1237

    
1238
    os_host_main_loop_wait(&timeout);
1239

    
1240
    /* poll any events */
1241
    /* XXX: separate device handlers from system ones */
1242
    nfds = -1;
1243
    FD_ZERO(&rfds);
1244
    FD_ZERO(&wfds);
1245
    FD_ZERO(&xfds);
1246
    QLIST_FOREACH(ioh, &io_handlers, next) {
1247
        if (ioh->deleted)
1248
            continue;
1249
        if (ioh->fd_read &&
1250
            (!ioh->fd_read_poll ||
1251
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1252
            FD_SET(ioh->fd, &rfds);
1253
            if (ioh->fd > nfds)
1254
                nfds = ioh->fd;
1255
        }
1256
        if (ioh->fd_write) {
1257
            FD_SET(ioh->fd, &wfds);
1258
            if (ioh->fd > nfds)
1259
                nfds = ioh->fd;
1260
        }
1261
    }
1262

    
1263
    tv.tv_sec = timeout / 1000;
1264
    tv.tv_usec = (timeout % 1000) * 1000;
1265

    
1266
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1267

    
1268
    qemu_mutex_unlock_iothread();
1269
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1270
    qemu_mutex_lock_iothread();
1271
    if (ret > 0) {
1272
        IOHandlerRecord *pioh;
1273

    
1274
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1275
            if (ioh->deleted) {
1276
                QLIST_REMOVE(ioh, next);
1277
                qemu_free(ioh);
1278
                continue;
1279
            }
1280
            if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1281
                ioh->fd_read(ioh->opaque);
1282
            }
1283
            if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1284
                ioh->fd_write(ioh->opaque);
1285
            }
1286
        }
1287
    }
1288

    
1289
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1290

    
1291
    qemu_run_all_timers();
1292

    
1293
    /* Check bottom-halves last in case any of the earlier events triggered
1294
       them.  */
1295
    qemu_bh_poll();
1296

    
1297
}
1298

    
1299
static int vm_can_run(void)
1300
{
1301
    if (powerdown_requested)
1302
        return 0;
1303
    if (reset_requested)
1304
        return 0;
1305
    if (shutdown_requested)
1306
        return 0;
1307
    if (debug_requested)
1308
        return 0;
1309
    return 1;
1310
}
1311

    
1312
qemu_irq qemu_system_powerdown;
1313

    
1314
static void main_loop(void)
1315
{
1316
    int r;
1317

    
1318
    qemu_main_loop_start();
1319

    
1320
    for (;;) {
1321
        do {
1322
            bool nonblocking = false;
1323
#ifdef CONFIG_PROFILER
1324
            int64_t ti;
1325
#endif
1326
#ifndef CONFIG_IOTHREAD
1327
            nonblocking = cpu_exec_all();
1328
#endif
1329
#ifdef CONFIG_PROFILER
1330
            ti = profile_getclock();
1331
#endif
1332
            main_loop_wait(nonblocking);
1333
#ifdef CONFIG_PROFILER
1334
            dev_time += profile_getclock() - ti;
1335
#endif
1336
        } while (vm_can_run());
1337

    
1338
        if ((r = qemu_debug_requested())) {
1339
            vm_stop(r);
1340
        }
1341
        if (qemu_shutdown_requested()) {
1342
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1343
            if (no_shutdown) {
1344
                vm_stop(0);
1345
                no_shutdown = 0;
1346
            } else
1347
                break;
1348
        }
1349
        if (qemu_reset_requested()) {
1350
            pause_all_vcpus();
1351
            qemu_system_reset();
1352
            resume_all_vcpus();
1353
        }
1354
        if (qemu_powerdown_requested()) {
1355
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1356
            qemu_irq_raise(qemu_system_powerdown);
1357
        }
1358
        if ((r = qemu_vmstop_requested())) {
1359
            vm_stop(r);
1360
        }
1361
    }
1362
    bdrv_close_all();
1363
    pause_all_vcpus();
1364
}
1365

    
1366
static void version(void)
1367
{
1368
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1369
}
1370

    
1371
static void help(int exitcode)
1372
{
1373
    const char *options_help =
1374
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1375
        opt_help
1376
#define DEFHEADING(text) stringify(text) "\n"
1377
#include "qemu-options.def"
1378
#undef DEF
1379
#undef DEFHEADING
1380
#undef GEN_DOCS
1381
        ;
1382
    version();
1383
    printf("usage: %s [options] [disk_image]\n"
1384
           "\n"
1385
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1386
           "\n"
1387
           "%s\n"
1388
           "During emulation, the following keys are useful:\n"
1389
           "ctrl-alt-f      toggle full screen\n"
1390
           "ctrl-alt-n      switch to virtual console 'n'\n"
1391
           "ctrl-alt        toggle mouse and keyboard grab\n"
1392
           "\n"
1393
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
1394
           "qemu",
1395
           options_help);
1396
    exit(exitcode);
1397
}
1398

    
1399
#define HAS_ARG 0x0001
1400

    
1401
typedef struct QEMUOption {
1402
    const char *name;
1403
    int flags;
1404
    int index;
1405
    uint32_t arch_mask;
1406
} QEMUOption;
1407

    
1408
static const QEMUOption qemu_options[] = {
1409
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1410
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1411
    { option, opt_arg, opt_enum, arch_mask },
1412
#define DEFHEADING(text)
1413
#include "qemu-options.def"
1414
#undef DEF
1415
#undef DEFHEADING
1416
#undef GEN_DOCS
1417
    { NULL },
1418
};
1419
static void select_vgahw (const char *p)
1420
{
1421
    const char *opts;
1422

    
1423
    default_vga = 0;
1424
    vga_interface_type = VGA_NONE;
1425
    if (strstart(p, "std", &opts)) {
1426
        vga_interface_type = VGA_STD;
1427
    } else if (strstart(p, "cirrus", &opts)) {
1428
        vga_interface_type = VGA_CIRRUS;
1429
    } else if (strstart(p, "vmware", &opts)) {
1430
        vga_interface_type = VGA_VMWARE;
1431
    } else if (strstart(p, "xenfb", &opts)) {
1432
        vga_interface_type = VGA_XENFB;
1433
    } else if (!strstart(p, "none", &opts)) {
1434
    invalid_vga:
1435
        fprintf(stderr, "Unknown vga type: %s\n", p);
1436
        exit(1);
1437
    }
1438
    while (*opts) {
1439
        const char *nextopt;
1440

    
1441
        if (strstart(opts, ",retrace=", &nextopt)) {
1442
            opts = nextopt;
1443
            if (strstart(opts, "dumb", &nextopt))
1444
                vga_retrace_method = VGA_RETRACE_DUMB;
1445
            else if (strstart(opts, "precise", &nextopt))
1446
                vga_retrace_method = VGA_RETRACE_PRECISE;
1447
            else goto invalid_vga;
1448
        } else goto invalid_vga;
1449
        opts = nextopt;
1450
    }
1451
}
1452

    
1453
static int balloon_parse(const char *arg)
1454
{
1455
    QemuOpts *opts;
1456

    
1457
    if (strcmp(arg, "none") == 0) {
1458
        return 0;
1459
    }
1460

    
1461
    if (!strncmp(arg, "virtio", 6)) {
1462
        if (arg[6] == ',') {
1463
            /* have params -> parse them */
1464
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1465
            if (!opts)
1466
                return  -1;
1467
        } else {
1468
            /* create empty opts */
1469
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1470
        }
1471
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1472
        return 0;
1473
    }
1474

    
1475
    return -1;
1476
}
1477

    
1478
char *qemu_find_file(int type, const char *name)
1479
{
1480
    int len;
1481
    const char *subdir;
1482
    char *buf;
1483

    
1484
    /* If name contains path separators then try it as a straight path.  */
1485
    if ((strchr(name, '/') || strchr(name, '\\'))
1486
        && access(name, R_OK) == 0) {
1487
        return qemu_strdup(name);
1488
    }
1489
    switch (type) {
1490
    case QEMU_FILE_TYPE_BIOS:
1491
        subdir = "";
1492
        break;
1493
    case QEMU_FILE_TYPE_KEYMAP:
1494
        subdir = "keymaps/";
1495
        break;
1496
    default:
1497
        abort();
1498
    }
1499
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1500
    buf = qemu_mallocz(len);
1501
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1502
    if (access(buf, R_OK)) {
1503
        qemu_free(buf);
1504
        return NULL;
1505
    }
1506
    return buf;
1507
}
1508

    
1509
static int device_help_func(QemuOpts *opts, void *opaque)
1510
{
1511
    return qdev_device_help(opts);
1512
}
1513

    
1514
static int device_init_func(QemuOpts *opts, void *opaque)
1515
{
1516
    DeviceState *dev;
1517

    
1518
    dev = qdev_device_add(opts);
1519
    if (!dev)
1520
        return -1;
1521
    return 0;
1522
}
1523

    
1524
static int chardev_init_func(QemuOpts *opts, void *opaque)
1525
{
1526
    CharDriverState *chr;
1527

    
1528
    chr = qemu_chr_open_opts(opts, NULL);
1529
    if (!chr)
1530
        return -1;
1531
    return 0;
1532
}
1533

    
1534
#ifdef CONFIG_VIRTFS
1535
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1536
{
1537
    int ret;
1538
    ret = qemu_fsdev_add(opts);
1539

    
1540
    return ret;
1541
}
1542
#endif
1543

    
1544
static int mon_init_func(QemuOpts *opts, void *opaque)
1545
{
1546
    CharDriverState *chr;
1547
    const char *chardev;
1548
    const char *mode;
1549
    int flags;
1550

    
1551
    mode = qemu_opt_get(opts, "mode");
1552
    if (mode == NULL) {
1553
        mode = "readline";
1554
    }
1555
    if (strcmp(mode, "readline") == 0) {
1556
        flags = MONITOR_USE_READLINE;
1557
    } else if (strcmp(mode, "control") == 0) {
1558
        flags = MONITOR_USE_CONTROL;
1559
    } else {
1560
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1561
        exit(1);
1562
    }
1563

    
1564
    if (qemu_opt_get_bool(opts, "default", 0))
1565
        flags |= MONITOR_IS_DEFAULT;
1566

    
1567
    chardev = qemu_opt_get(opts, "chardev");
1568
    chr = qemu_chr_find(chardev);
1569
    if (chr == NULL) {
1570
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1571
        exit(1);
1572
    }
1573

    
1574
    monitor_init(chr, flags);
1575
    return 0;
1576
}
1577

    
1578
static void monitor_parse(const char *optarg, const char *mode)
1579
{
1580
    static int monitor_device_index = 0;
1581
    QemuOpts *opts;
1582
    const char *p;
1583
    char label[32];
1584
    int def = 0;
1585

    
1586
    if (strstart(optarg, "chardev:", &p)) {
1587
        snprintf(label, sizeof(label), "%s", p);
1588
    } else {
1589
        snprintf(label, sizeof(label), "compat_monitor%d",
1590
                 monitor_device_index);
1591
        if (monitor_device_index == 0) {
1592
            def = 1;
1593
        }
1594
        opts = qemu_chr_parse_compat(label, optarg);
1595
        if (!opts) {
1596
            fprintf(stderr, "parse error: %s\n", optarg);
1597
            exit(1);
1598
        }
1599
    }
1600

    
1601
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1602
    if (!opts) {
1603
        fprintf(stderr, "duplicate chardev: %s\n", label);
1604
        exit(1);
1605
    }
1606
    qemu_opt_set(opts, "mode", mode);
1607
    qemu_opt_set(opts, "chardev", label);
1608
    if (def)
1609
        qemu_opt_set(opts, "default", "on");
1610
    monitor_device_index++;
1611
}
1612

    
1613
struct device_config {
1614
    enum {
1615
        DEV_USB,       /* -usbdevice     */
1616
        DEV_BT,        /* -bt            */
1617
        DEV_SERIAL,    /* -serial        */
1618
        DEV_PARALLEL,  /* -parallel      */
1619
        DEV_VIRTCON,   /* -virtioconsole */
1620
        DEV_DEBUGCON,  /* -debugcon */
1621
    } type;
1622
    const char *cmdline;
1623
    QTAILQ_ENTRY(device_config) next;
1624
};
1625
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1626

    
1627
static void add_device_config(int type, const char *cmdline)
1628
{
1629
    struct device_config *conf;
1630

    
1631
    conf = qemu_mallocz(sizeof(*conf));
1632
    conf->type = type;
1633
    conf->cmdline = cmdline;
1634
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1635
}
1636

    
1637
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1638
{
1639
    struct device_config *conf;
1640
    int rc;
1641

    
1642
    QTAILQ_FOREACH(conf, &device_configs, next) {
1643
        if (conf->type != type)
1644
            continue;
1645
        rc = func(conf->cmdline);
1646
        if (0 != rc)
1647
            return rc;
1648
    }
1649
    return 0;
1650
}
1651

    
1652
static int serial_parse(const char *devname)
1653
{
1654
    static int index = 0;
1655
    char label[32];
1656

    
1657
    if (strcmp(devname, "none") == 0)
1658
        return 0;
1659
    if (index == MAX_SERIAL_PORTS) {
1660
        fprintf(stderr, "qemu: too many serial ports\n");
1661
        exit(1);
1662
    }
1663
    snprintf(label, sizeof(label), "serial%d", index);
1664
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
1665
    if (!serial_hds[index]) {
1666
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1667
                devname, strerror(errno));
1668
        return -1;
1669
    }
1670
    index++;
1671
    return 0;
1672
}
1673

    
1674
static int parallel_parse(const char *devname)
1675
{
1676
    static int index = 0;
1677
    char label[32];
1678

    
1679
    if (strcmp(devname, "none") == 0)
1680
        return 0;
1681
    if (index == MAX_PARALLEL_PORTS) {
1682
        fprintf(stderr, "qemu: too many parallel ports\n");
1683
        exit(1);
1684
    }
1685
    snprintf(label, sizeof(label), "parallel%d", index);
1686
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1687
    if (!parallel_hds[index]) {
1688
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1689
                devname, strerror(errno));
1690
        return -1;
1691
    }
1692
    index++;
1693
    return 0;
1694
}
1695

    
1696
static int virtcon_parse(const char *devname)
1697
{
1698
    QemuOptsList *device = qemu_find_opts("device");
1699
    static int index = 0;
1700
    char label[32];
1701
    QemuOpts *bus_opts, *dev_opts;
1702

    
1703
    if (strcmp(devname, "none") == 0)
1704
        return 0;
1705
    if (index == MAX_VIRTIO_CONSOLES) {
1706
        fprintf(stderr, "qemu: too many virtio consoles\n");
1707
        exit(1);
1708
    }
1709

    
1710
    bus_opts = qemu_opts_create(device, NULL, 0);
1711
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
1712

    
1713
    dev_opts = qemu_opts_create(device, NULL, 0);
1714
    qemu_opt_set(dev_opts, "driver", "virtconsole");
1715

    
1716
    snprintf(label, sizeof(label), "virtcon%d", index);
1717
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1718
    if (!virtcon_hds[index]) {
1719
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1720
                devname, strerror(errno));
1721
        return -1;
1722
    }
1723
    qemu_opt_set(dev_opts, "chardev", label);
1724

    
1725
    index++;
1726
    return 0;
1727
}
1728

    
1729
static int debugcon_parse(const char *devname)
1730
{   
1731
    QemuOpts *opts;
1732

    
1733
    if (!qemu_chr_open("debugcon", devname, NULL)) {
1734
        exit(1);
1735
    }
1736
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1737
    if (!opts) {
1738
        fprintf(stderr, "qemu: already have a debugcon device\n");
1739
        exit(1);
1740
    }
1741
    qemu_opt_set(opts, "driver", "isa-debugcon");
1742
    qemu_opt_set(opts, "chardev", "debugcon");
1743
    return 0;
1744
}
1745

    
1746
void qemu_add_exit_notifier(Notifier *notify)
1747
{
1748
    notifier_list_add(&exit_notifiers, notify);
1749
}
1750

    
1751
void qemu_remove_exit_notifier(Notifier *notify)
1752
{
1753
    notifier_list_remove(&exit_notifiers, notify);
1754
}
1755

    
1756
static void qemu_run_exit_notifiers(void)
1757
{
1758
    notifier_list_notify(&exit_notifiers);
1759
}
1760

    
1761
static const QEMUOption *lookup_opt(int argc, char **argv,
1762
                                    const char **poptarg, int *poptind)
1763
{
1764
    const QEMUOption *popt;
1765
    int optind = *poptind;
1766
    char *r = argv[optind];
1767
    const char *optarg;
1768

    
1769
    loc_set_cmdline(argv, optind, 1);
1770
    optind++;
1771
    /* Treat --foo the same as -foo.  */
1772
    if (r[1] == '-')
1773
        r++;
1774
    popt = qemu_options;
1775
    for(;;) {
1776
        if (!popt->name) {
1777
            error_report("invalid option");
1778
            exit(1);
1779
        }
1780
        if (!strcmp(popt->name, r + 1))
1781
            break;
1782
        popt++;
1783
    }
1784
    if (popt->flags & HAS_ARG) {
1785
        if (optind >= argc) {
1786
            error_report("requires an argument");
1787
            exit(1);
1788
        }
1789
        optarg = argv[optind++];
1790
        loc_set_cmdline(argv, optind - 2, 2);
1791
    } else {
1792
        optarg = NULL;
1793
    }
1794

    
1795
    *poptarg = optarg;
1796
    *poptind = optind;
1797

    
1798
    return popt;
1799
}
1800

    
1801
int main(int argc, char **argv, char **envp)
1802
{
1803
    const char *gdbstub_dev = NULL;
1804
    int i;
1805
    int snapshot, linux_boot;
1806
    const char *icount_option = NULL;
1807
    const char *initrd_filename;
1808
    const char *kernel_filename, *kernel_cmdline;
1809
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1810
    DisplayState *ds;
1811
    DisplayChangeListener *dcl;
1812
    int cyls, heads, secs, translation;
1813
    QemuOpts *hda_opts = NULL, *opts;
1814
    int optind;
1815
    const char *optarg;
1816
    const char *loadvm = NULL;
1817
    QEMUMachine *machine;
1818
    const char *cpu_model;
1819
    int tb_size;
1820
    const char *pid_file = NULL;
1821
    const char *incoming = NULL;
1822
    int show_vnc_port = 0;
1823
    int defconfig = 1;
1824

    
1825
    atexit(qemu_run_exit_notifiers);
1826
    error_set_progname(argv[0]);
1827

    
1828
    init_clocks();
1829

    
1830
    qemu_cache_utils_init(envp);
1831

    
1832
    QLIST_INIT (&vm_change_state_head);
1833
    os_setup_early_signal_handling();
1834

    
1835
    module_call_init(MODULE_INIT_MACHINE);
1836
    machine = find_default_machine();
1837
    cpu_model = NULL;
1838
    initrd_filename = NULL;
1839
    ram_size = 0;
1840
    snapshot = 0;
1841
    kernel_filename = NULL;
1842
    kernel_cmdline = "";
1843
    cyls = heads = secs = 0;
1844
    translation = BIOS_ATA_TRANSLATION_AUTO;
1845

    
1846
    for (i = 0; i < MAX_NODES; i++) {
1847
        node_mem[i] = 0;
1848
        node_cpumask[i] = 0;
1849
    }
1850

    
1851
    nb_numa_nodes = 0;
1852
    nb_nics = 0;
1853

    
1854
    tb_size = 0;
1855
    autostart= 1;
1856

    
1857
#ifdef CONFIG_VIRTFS
1858
    qemu_add_opts(&qemu_fsdev_opts);
1859
    qemu_add_opts(&qemu_virtfs_opts);
1860
#endif
1861

    
1862
    /* first pass of option parsing */
1863
    optind = 1;
1864
    while (optind < argc) {
1865
        if (argv[optind][0] != '-') {
1866
            /* disk image */
1867
            optind++;
1868
            continue;
1869
        } else {
1870
            const QEMUOption *popt;
1871

    
1872
            popt = lookup_opt(argc, argv, &optarg, &optind);
1873
            switch (popt->index) {
1874
            case QEMU_OPTION_nodefconfig:
1875
                defconfig=0;
1876
                break;
1877
            }
1878
        }
1879
    }
1880

    
1881
    if (defconfig) {
1882
        int ret;
1883

    
1884
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1885
        if (ret < 0 && ret != -ENOENT) {
1886
            exit(1);
1887
        }
1888

    
1889
        ret = qemu_read_config_file(arch_config_name);
1890
        if (ret < 0 && ret != -ENOENT) {
1891
            exit(1);
1892
        }
1893
    }
1894
    cpudef_init();
1895

    
1896
    /* second pass of option parsing */
1897
    optind = 1;
1898
    for(;;) {
1899
        if (optind >= argc)
1900
            break;
1901
        if (argv[optind][0] != '-') {
1902
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1903
        } else {
1904
            const QEMUOption *popt;
1905

    
1906
            popt = lookup_opt(argc, argv, &optarg, &optind);
1907
            if (!(popt->arch_mask & arch_type)) {
1908
                printf("Option %s not supported for this target\n", popt->name);
1909
                exit(1);
1910
            }
1911
            switch(popt->index) {
1912
            case QEMU_OPTION_M:
1913
                machine = find_machine(optarg);
1914
                if (!machine) {
1915
                    QEMUMachine *m;
1916
                    printf("Supported machines are:\n");
1917
                    for(m = first_machine; m != NULL; m = m->next) {
1918
                        if (m->alias)
1919
                            printf("%-10s %s (alias of %s)\n",
1920
                                   m->alias, m->desc, m->name);
1921
                        printf("%-10s %s%s\n",
1922
                               m->name, m->desc,
1923
                               m->is_default ? " (default)" : "");
1924
                    }
1925
                    exit(*optarg != '?');
1926
                }
1927
                break;
1928
            case QEMU_OPTION_cpu:
1929
                /* hw initialization will check this */
1930
                if (*optarg == '?') {
1931
                    list_cpus(stdout, &fprintf, optarg);
1932
                    exit(0);
1933
                } else {
1934
                    cpu_model = optarg;
1935
                }
1936
                break;
1937
            case QEMU_OPTION_initrd:
1938
                initrd_filename = optarg;
1939
                break;
1940
            case QEMU_OPTION_hda:
1941
                if (cyls == 0)
1942
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
1943
                else
1944
                    hda_opts = drive_add(optarg, HD_ALIAS
1945
                             ",cyls=%d,heads=%d,secs=%d%s",
1946
                             0, cyls, heads, secs,
1947
                             translation == BIOS_ATA_TRANSLATION_LBA ?
1948
                                 ",trans=lba" :
1949
                             translation == BIOS_ATA_TRANSLATION_NONE ?
1950
                                 ",trans=none" : "");
1951
                 break;
1952
            case QEMU_OPTION_hdb:
1953
            case QEMU_OPTION_hdc:
1954
            case QEMU_OPTION_hdd:
1955
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1956
                break;
1957
            case QEMU_OPTION_drive:
1958
                drive_add(NULL, "%s", optarg);
1959
                break;
1960
            case QEMU_OPTION_set:
1961
                if (qemu_set_option(optarg) != 0)
1962
                    exit(1);
1963
                break;
1964
            case QEMU_OPTION_global:
1965
                if (qemu_global_option(optarg) != 0)
1966
                    exit(1);
1967
                break;
1968
            case QEMU_OPTION_mtdblock:
1969
                drive_add(optarg, MTD_ALIAS);
1970
                break;
1971
            case QEMU_OPTION_sd:
1972
                drive_add(optarg, SD_ALIAS);
1973
                break;
1974
            case QEMU_OPTION_pflash:
1975
                drive_add(optarg, PFLASH_ALIAS);
1976
                break;
1977
            case QEMU_OPTION_snapshot:
1978
                snapshot = 1;
1979
                break;
1980
            case QEMU_OPTION_hdachs:
1981
                {
1982
                    const char *p;
1983
                    p = optarg;
1984
                    cyls = strtol(p, (char **)&p, 0);
1985
                    if (cyls < 1 || cyls > 16383)
1986
                        goto chs_fail;
1987
                    if (*p != ',')
1988
                        goto chs_fail;
1989
                    p++;
1990
                    heads = strtol(p, (char **)&p, 0);
1991
                    if (heads < 1 || heads > 16)
1992
                        goto chs_fail;
1993
                    if (*p != ',')
1994
                        goto chs_fail;
1995
                    p++;
1996
                    secs = strtol(p, (char **)&p, 0);
1997
                    if (secs < 1 || secs > 63)
1998
                        goto chs_fail;
1999
                    if (*p == ',') {
2000
                        p++;
2001
                        if (!strcmp(p, "none"))
2002
                            translation = BIOS_ATA_TRANSLATION_NONE;
2003
                        else if (!strcmp(p, "lba"))
2004
                            translation = BIOS_ATA_TRANSLATION_LBA;
2005
                        else if (!strcmp(p, "auto"))
2006
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2007
                        else
2008
                            goto chs_fail;
2009
                    } else if (*p != '\0') {
2010
                    chs_fail:
2011
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2012
                        exit(1);
2013
                    }
2014
                    if (hda_opts != NULL) {
2015
                        char num[16];
2016
                        snprintf(num, sizeof(num), "%d", cyls);
2017
                        qemu_opt_set(hda_opts, "cyls", num);
2018
                        snprintf(num, sizeof(num), "%d", heads);
2019
                        qemu_opt_set(hda_opts, "heads", num);
2020
                        snprintf(num, sizeof(num), "%d", secs);
2021
                        qemu_opt_set(hda_opts, "secs", num);
2022
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2023
                            qemu_opt_set(hda_opts, "trans", "lba");
2024
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2025
                            qemu_opt_set(hda_opts, "trans", "none");
2026
                    }
2027
                }
2028
                break;
2029
            case QEMU_OPTION_numa:
2030
                if (nb_numa_nodes >= MAX_NODES) {
2031
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2032
                    exit(1);
2033
                }
2034
                numa_add(optarg);
2035
                break;
2036
            case QEMU_OPTION_nographic:
2037
                display_type = DT_NOGRAPHIC;
2038
                break;
2039
#ifdef CONFIG_CURSES
2040
            case QEMU_OPTION_curses:
2041
                display_type = DT_CURSES;
2042
                break;
2043
#endif
2044
            case QEMU_OPTION_portrait:
2045
                graphic_rotate = 1;
2046
                break;
2047
            case QEMU_OPTION_kernel:
2048
                kernel_filename = optarg;
2049
                break;
2050
            case QEMU_OPTION_append:
2051
                kernel_cmdline = optarg;
2052
                break;
2053
            case QEMU_OPTION_cdrom:
2054
                drive_add(optarg, CDROM_ALIAS);
2055
                break;
2056
            case QEMU_OPTION_boot:
2057
                {
2058
                    static const char * const params[] = {
2059
                        "order", "once", "menu", NULL
2060
                    };
2061
                    char buf[sizeof(boot_devices)];
2062
                    char *standard_boot_devices;
2063
                    int legacy = 0;
2064

    
2065
                    if (!strchr(optarg, '=')) {
2066
                        legacy = 1;
2067
                        pstrcpy(buf, sizeof(buf), optarg);
2068
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2069
                        fprintf(stderr,
2070
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2071
                                buf, optarg);
2072
                        exit(1);
2073
                    }
2074

    
2075
                    if (legacy ||
2076
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2077
                        validate_bootdevices(buf);
2078
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2079
                    }
2080
                    if (!legacy) {
2081
                        if (get_param_value(buf, sizeof(buf),
2082
                                            "once", optarg)) {
2083
                            validate_bootdevices(buf);
2084
                            standard_boot_devices = qemu_strdup(boot_devices);
2085
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2086
                            qemu_register_reset(restore_boot_devices,
2087
                                                standard_boot_devices);
2088
                        }
2089
                        if (get_param_value(buf, sizeof(buf),
2090
                                            "menu", optarg)) {
2091
                            if (!strcmp(buf, "on")) {
2092
                                boot_menu = 1;
2093
                            } else if (!strcmp(buf, "off")) {
2094
                                boot_menu = 0;
2095
                            } else {
2096
                                fprintf(stderr,
2097
                                        "qemu: invalid option value '%s'\n",
2098
                                        buf);
2099
                                exit(1);
2100
                            }
2101
                        }
2102
                    }
2103
                }
2104
                break;
2105
            case QEMU_OPTION_fda:
2106
            case QEMU_OPTION_fdb:
2107
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2108
                break;
2109
            case QEMU_OPTION_no_fd_bootchk:
2110
                fd_bootchk = 0;
2111
                break;
2112
            case QEMU_OPTION_netdev:
2113
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2114
                    exit(1);
2115
                }
2116
                break;
2117
            case QEMU_OPTION_net:
2118
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2119
                    exit(1);
2120
                }
2121
                break;
2122
#ifdef CONFIG_SLIRP
2123
            case QEMU_OPTION_tftp:
2124
                legacy_tftp_prefix = optarg;
2125
                break;
2126
            case QEMU_OPTION_bootp:
2127
                legacy_bootp_filename = optarg;
2128
                break;
2129
            case QEMU_OPTION_redir:
2130
                if (net_slirp_redir(optarg) < 0)
2131
                    exit(1);
2132
                break;
2133
#endif
2134
            case QEMU_OPTION_bt:
2135
                add_device_config(DEV_BT, optarg);
2136
                break;
2137
            case QEMU_OPTION_audio_help:
2138
                if (!(audio_available())) {
2139
                    printf("Option %s not supported for this target\n", popt->name);
2140
                    exit(1);
2141
                }
2142
                AUD_help ();
2143
                exit (0);
2144
                break;
2145
            case QEMU_OPTION_soundhw:
2146
                if (!(audio_available())) {
2147
                    printf("Option %s not supported for this target\n", popt->name);
2148
                    exit(1);
2149
                }
2150
                select_soundhw (optarg);
2151
                break;
2152
            case QEMU_OPTION_h:
2153
                help(0);
2154
                break;
2155
            case QEMU_OPTION_version:
2156
                version();
2157
                exit(0);
2158
                break;
2159
            case QEMU_OPTION_m: {
2160
                uint64_t value;
2161
                char *ptr;
2162

    
2163
                value = strtoul(optarg, &ptr, 10);
2164
                switch (*ptr) {
2165
                case 0: case 'M': case 'm':
2166
                    value <<= 20;
2167
                    break;
2168
                case 'G': case 'g':
2169
                    value <<= 30;
2170
                    break;
2171
                default:
2172
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2173
                    exit(1);
2174
                }
2175

    
2176
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2177
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2178
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2179
                    exit(1);
2180
                }
2181
                if (value != (uint64_t)(ram_addr_t)value) {
2182
                    fprintf(stderr, "qemu: ram size too large\n");
2183
                    exit(1);
2184
                }
2185
                ram_size = value;
2186
                break;
2187
            }
2188
            case QEMU_OPTION_mempath:
2189
                mem_path = optarg;
2190
                break;
2191
#ifdef MAP_POPULATE
2192
            case QEMU_OPTION_mem_prealloc:
2193
                mem_prealloc = 1;
2194
                break;
2195
#endif
2196
            case QEMU_OPTION_d:
2197
                set_cpu_log(optarg);
2198
                break;
2199
            case QEMU_OPTION_s:
2200
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2201
                break;
2202
            case QEMU_OPTION_gdb:
2203
                gdbstub_dev = optarg;
2204
                break;
2205
            case QEMU_OPTION_L:
2206
                data_dir = optarg;
2207
                break;
2208
            case QEMU_OPTION_bios:
2209
                bios_name = optarg;
2210
                break;
2211
            case QEMU_OPTION_singlestep:
2212
                singlestep = 1;
2213
                break;
2214
            case QEMU_OPTION_S:
2215
                autostart = 0;
2216
                break;
2217
            case QEMU_OPTION_k:
2218
                keyboard_layout = optarg;
2219
                break;
2220
            case QEMU_OPTION_localtime:
2221
                rtc_utc = 0;
2222
                break;
2223
            case QEMU_OPTION_vga:
2224
                select_vgahw (optarg);
2225
                break;
2226
            case QEMU_OPTION_g:
2227
                {
2228
                    const char *p;
2229
                    int w, h, depth;
2230
                    p = optarg;
2231
                    w = strtol(p, (char **)&p, 10);
2232
                    if (w <= 0) {
2233
                    graphic_error:
2234
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2235
                        exit(1);
2236
                    }
2237
                    if (*p != 'x')
2238
                        goto graphic_error;
2239
                    p++;
2240
                    h = strtol(p, (char **)&p, 10);
2241
                    if (h <= 0)
2242
                        goto graphic_error;
2243
                    if (*p == 'x') {
2244
                        p++;
2245
                        depth = strtol(p, (char **)&p, 10);
2246
                        if (depth != 8 && depth != 15 && depth != 16 &&
2247
                            depth != 24 && depth != 32)
2248
                            goto graphic_error;
2249
                    } else if (*p == '\0') {
2250
                        depth = graphic_depth;
2251
                    } else {
2252
                        goto graphic_error;
2253
                    }
2254

    
2255
                    graphic_width = w;
2256
                    graphic_height = h;
2257
                    graphic_depth = depth;
2258
                }
2259
                break;
2260
            case QEMU_OPTION_echr:
2261
                {
2262
                    char *r;
2263
                    term_escape_char = strtol(optarg, &r, 0);
2264
                    if (r == optarg)
2265
                        printf("Bad argument to echr\n");
2266
                    break;
2267
                }
2268
            case QEMU_OPTION_monitor:
2269
                monitor_parse(optarg, "readline");
2270
                default_monitor = 0;
2271
                break;
2272
            case QEMU_OPTION_qmp:
2273
                monitor_parse(optarg, "control");
2274
                default_monitor = 0;
2275
                break;
2276
            case QEMU_OPTION_mon:
2277
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2278
                if (!opts) {
2279
                    exit(1);
2280
                }
2281
                default_monitor = 0;
2282
                break;
2283
            case QEMU_OPTION_chardev:
2284
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2285
                if (!opts) {
2286
                    exit(1);
2287
                }
2288
                break;
2289
#ifdef CONFIG_VIRTFS
2290
            case QEMU_OPTION_fsdev:
2291
                opts = qemu_opts_parse(qemu_find_opts("fsdev"), optarg, 1);
2292
                if (!opts) {
2293
                    fprintf(stderr, "parse error: %s\n", optarg);
2294
                    exit(1);
2295
                }
2296
                break;
2297
            case QEMU_OPTION_virtfs: {
2298
                char *arg_fsdev = NULL;
2299
                char *arg_9p = NULL;
2300
                int len = 0;
2301

    
2302
                opts = qemu_opts_parse(qemu_find_opts("virtfs"), optarg, 1);
2303
                if (!opts) {
2304
                    fprintf(stderr, "parse error: %s\n", optarg);
2305
                    exit(1);
2306
                }
2307

    
2308
                if (qemu_opt_get(opts, "fstype") == NULL ||
2309
                        qemu_opt_get(opts, "mount_tag") == NULL ||
2310
                        qemu_opt_get(opts, "path") == NULL ||
2311
                        qemu_opt_get(opts, "security_model") == NULL) {
2312
                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2313
                            "security_model=[mapped|passthrough],"
2314
                            "mnt_tag=tag.\n");
2315
                    exit(1);
2316
                }
2317

    
2318
                len = strlen(",id=,path=,security_model=");
2319
                len += strlen(qemu_opt_get(opts, "fstype"));
2320
                len += strlen(qemu_opt_get(opts, "mount_tag"));
2321
                len += strlen(qemu_opt_get(opts, "path"));
2322
                len += strlen(qemu_opt_get(opts, "security_model"));
2323
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2324

    
2325
                sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
2326
                                qemu_opt_get(opts, "fstype"),
2327
                                qemu_opt_get(opts, "mount_tag"),
2328
                                qemu_opt_get(opts, "path"),
2329
                                qemu_opt_get(opts, "security_model"));
2330

    
2331
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2332
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2333
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2334

    
2335
                sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2336
                                qemu_opt_get(opts, "mount_tag"),
2337
                                qemu_opt_get(opts, "mount_tag"));
2338

    
2339
                if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2340
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2341
                    exit(1);
2342
                }
2343

    
2344
                if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2345
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
2346
                    exit(1);
2347
                }
2348

    
2349
                qemu_free(arg_fsdev);
2350
                qemu_free(arg_9p);
2351
                break;
2352
            }
2353
#endif
2354
            case QEMU_OPTION_serial:
2355
                add_device_config(DEV_SERIAL, optarg);
2356
                default_serial = 0;
2357
                if (strncmp(optarg, "mon:", 4) == 0) {
2358
                    default_monitor = 0;
2359
                }
2360
                break;
2361
            case QEMU_OPTION_watchdog:
2362
                if (watchdog) {
2363
                    fprintf(stderr,
2364
                            "qemu: only one watchdog option may be given\n");
2365
                    return 1;
2366
                }
2367
                watchdog = optarg;
2368
                break;
2369
            case QEMU_OPTION_watchdog_action:
2370
                if (select_watchdog_action(optarg) == -1) {
2371
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2372
                    exit(1);
2373
                }
2374
                break;
2375
            case QEMU_OPTION_virtiocon:
2376
                add_device_config(DEV_VIRTCON, optarg);
2377
                default_virtcon = 0;
2378
                if (strncmp(optarg, "mon:", 4) == 0) {
2379
                    default_monitor = 0;
2380
                }
2381
                break;
2382
            case QEMU_OPTION_parallel:
2383
                add_device_config(DEV_PARALLEL, optarg);
2384
                default_parallel = 0;
2385
                if (strncmp(optarg, "mon:", 4) == 0) {
2386
                    default_monitor = 0;
2387
                }
2388
                break;
2389
            case QEMU_OPTION_debugcon:
2390
                add_device_config(DEV_DEBUGCON, optarg);
2391
                break;
2392
            case QEMU_OPTION_loadvm:
2393
                loadvm = optarg;
2394
                break;
2395
            case QEMU_OPTION_full_screen:
2396
                full_screen = 1;
2397
                break;
2398
#ifdef CONFIG_SDL
2399
            case QEMU_OPTION_no_frame:
2400
                no_frame = 1;
2401
                break;
2402
            case QEMU_OPTION_alt_grab:
2403
                alt_grab = 1;
2404
                break;
2405
            case QEMU_OPTION_ctrl_grab:
2406
                ctrl_grab = 1;
2407
                break;
2408
            case QEMU_OPTION_no_quit:
2409
                no_quit = 1;
2410
                break;
2411
            case QEMU_OPTION_sdl:
2412
                display_type = DT_SDL;
2413
                break;
2414
#endif
2415
            case QEMU_OPTION_pidfile:
2416
                pid_file = optarg;
2417
                break;
2418
            case QEMU_OPTION_win2k_hack:
2419
                win2k_install_hack = 1;
2420
                break;
2421
            case QEMU_OPTION_rtc_td_hack:
2422
                rtc_td_hack = 1;
2423
                break;
2424
            case QEMU_OPTION_acpitable:
2425
                do_acpitable_option(optarg);
2426
                break;
2427
            case QEMU_OPTION_smbios:
2428
                do_smbios_option(optarg);
2429
                break;
2430
            case QEMU_OPTION_enable_kvm:
2431
                kvm_allowed = 1;
2432
                break;
2433
            case QEMU_OPTION_usb:
2434
                usb_enabled = 1;
2435
                break;
2436
            case QEMU_OPTION_usbdevice:
2437
                usb_enabled = 1;
2438
                add_device_config(DEV_USB, optarg);
2439
                break;
2440
            case QEMU_OPTION_device:
2441
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2442
                    exit(1);
2443
                }
2444
                break;
2445
            case QEMU_OPTION_smp:
2446
                smp_parse(optarg);
2447
                if (smp_cpus < 1) {
2448
                    fprintf(stderr, "Invalid number of CPUs\n");
2449
                    exit(1);
2450
                }
2451
                if (max_cpus < smp_cpus) {
2452
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2453
                            "smp\n");
2454
                    exit(1);
2455
                }
2456
                if (max_cpus > 255) {
2457
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2458
                    exit(1);
2459
                }
2460
                break;
2461
            case QEMU_OPTION_vnc:
2462
                display_type = DT_VNC;
2463
                vnc_display = optarg;
2464
                break;
2465
            case QEMU_OPTION_no_acpi:
2466
                acpi_enabled = 0;
2467
                break;
2468
            case QEMU_OPTION_no_hpet:
2469
                no_hpet = 1;
2470
                break;
2471
            case QEMU_OPTION_balloon:
2472
                if (balloon_parse(optarg) < 0) {
2473
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2474
                    exit(1);
2475
                }
2476
                break;
2477
            case QEMU_OPTION_no_reboot:
2478
                no_reboot = 1;
2479
                break;
2480
            case QEMU_OPTION_no_shutdown:
2481
                no_shutdown = 1;
2482
                break;
2483
            case QEMU_OPTION_show_cursor:
2484
                cursor_hide = 0;
2485
                break;
2486
            case QEMU_OPTION_uuid:
2487
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2488
                    fprintf(stderr, "Fail to parse UUID string."
2489
                            " Wrong format.\n");
2490
                    exit(1);
2491
                }
2492
                break;
2493
            case QEMU_OPTION_option_rom:
2494
                if (nb_option_roms >= MAX_OPTION_ROMS) {
2495
                    fprintf(stderr, "Too many option ROMs\n");
2496
                    exit(1);
2497
                }
2498
                option_rom[nb_option_roms] = optarg;
2499
                nb_option_roms++;
2500
                break;
2501
            case QEMU_OPTION_semihosting:
2502
                semihosting_enabled = 1;
2503
                break;
2504
            case QEMU_OPTION_name:
2505
                qemu_name = qemu_strdup(optarg);
2506
                 {
2507
                     char *p = strchr(qemu_name, ',');
2508
                     if (p != NULL) {
2509
                        *p++ = 0;
2510
                        if (strncmp(p, "process=", 8)) {
2511
                            fprintf(stderr, "Unknown subargument %s to -name", p);
2512
                            exit(1);
2513
                        }
2514
                        p += 8;
2515
                        os_set_proc_name(p);
2516
                     }        
2517
                 }        
2518
                break;
2519
            case QEMU_OPTION_prom_env:
2520
                if (nb_prom_envs >= MAX_PROM_ENVS) {
2521
                    fprintf(stderr, "Too many prom variables\n");
2522
                    exit(1);
2523
                }
2524
                prom_envs[nb_prom_envs] = optarg;
2525
                nb_prom_envs++;
2526
                break;
2527
            case QEMU_OPTION_old_param:
2528
                old_param = 1;
2529
                break;
2530
            case QEMU_OPTION_clock:
2531
                configure_alarms(optarg);
2532
                break;
2533
            case QEMU_OPTION_startdate:
2534
                configure_rtc_date_offset(optarg, 1);
2535
                break;
2536
            case QEMU_OPTION_rtc:
2537
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2538
                if (!opts) {
2539
                    exit(1);
2540
                }
2541
                configure_rtc(opts);
2542
                break;
2543
            case QEMU_OPTION_tb_size:
2544
                tb_size = strtol(optarg, NULL, 0);
2545
                if (tb_size < 0)
2546
                    tb_size = 0;
2547
                break;
2548
            case QEMU_OPTION_icount:
2549
                icount_option = optarg;
2550
                break;
2551
            case QEMU_OPTION_incoming:
2552
                incoming = optarg;
2553
                incoming_expected = true;
2554
                break;
2555
            case QEMU_OPTION_nodefaults:
2556
                default_serial = 0;
2557
                default_parallel = 0;
2558
                default_virtcon = 0;
2559
                default_monitor = 0;
2560
                default_vga = 0;
2561
                default_net = 0;
2562
                default_floppy = 0;
2563
                default_cdrom = 0;
2564
                default_sdcard = 0;
2565
                break;
2566
            case QEMU_OPTION_xen_domid:
2567
                if (!(xen_available())) {
2568
                    printf("Option %s not supported for this target\n", popt->name);
2569
                    exit(1);
2570
                }
2571
                xen_domid = atoi(optarg);
2572
                break;
2573
            case QEMU_OPTION_xen_create:
2574
                if (!(xen_available())) {
2575
                    printf("Option %s not supported for this target\n", popt->name);
2576
                    exit(1);
2577
                }
2578
                xen_mode = XEN_CREATE;
2579
                break;
2580
            case QEMU_OPTION_xen_attach:
2581
                if (!(xen_available())) {
2582
                    printf("Option %s not supported for this target\n", popt->name);
2583
                    exit(1);
2584
                }
2585
                xen_mode = XEN_ATTACH;
2586
                break;
2587
            case QEMU_OPTION_readconfig:
2588
                {
2589
                    int ret = qemu_read_config_file(optarg);
2590
                    if (ret < 0) {
2591
                        fprintf(stderr, "read config %s: %s\n", optarg,
2592
                            strerror(-ret));
2593
                        exit(1);
2594
                    }
2595
                    break;
2596
                }
2597
            case QEMU_OPTION_writeconfig:
2598
                {
2599
                    FILE *fp;
2600
                    if (strcmp(optarg, "-") == 0) {
2601
                        fp = stdout;
2602
                    } else {
2603
                        fp = fopen(optarg, "w");
2604
                        if (fp == NULL) {
2605
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2606
                            exit(1);
2607
                        }
2608
                    }
2609
                    qemu_config_write(fp);
2610
                    fclose(fp);
2611
                    break;
2612
                }
2613
            default:
2614
                os_parse_cmd_args(popt->index, optarg);
2615
            }
2616
        }
2617
    }
2618
    loc_set_none();
2619

    
2620
    /* If no data_dir is specified then try to find it relative to the
2621
       executable path.  */
2622
    if (!data_dir) {
2623
        data_dir = os_find_datadir(argv[0]);
2624
    }
2625
    /* If all else fails use the install patch specified when building.  */
2626
    if (!data_dir) {
2627
        data_dir = CONFIG_QEMU_DATADIR;
2628
    }
2629

    
2630
    /*
2631
     * Default to max_cpus = smp_cpus, in case the user doesn't
2632
     * specify a max_cpus value.
2633
     */
2634
    if (!max_cpus)
2635
        max_cpus = smp_cpus;
2636

    
2637
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2638
    if (smp_cpus > machine->max_cpus) {
2639
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2640
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
2641
                machine->max_cpus);
2642
        exit(1);
2643
    }
2644

    
2645
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2646
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2647

    
2648
    if (machine->no_serial) {
2649
        default_serial = 0;
2650
    }
2651
    if (machine->no_parallel) {
2652
        default_parallel = 0;
2653
    }
2654
    if (!machine->use_virtcon) {
2655
        default_virtcon = 0;
2656
    }
2657
    if (machine->no_vga) {
2658
        default_vga = 0;
2659
    }
2660
    if (machine->no_floppy) {
2661
        default_floppy = 0;
2662
    }
2663
    if (machine->no_cdrom) {
2664
        default_cdrom = 0;
2665
    }
2666
    if (machine->no_sdcard) {
2667
        default_sdcard = 0;
2668
    }
2669

    
2670
    if (display_type == DT_NOGRAPHIC) {
2671
        if (default_parallel)
2672
            add_device_config(DEV_PARALLEL, "null");
2673
        if (default_serial && default_monitor) {
2674
            add_device_config(DEV_SERIAL, "mon:stdio");
2675
        } else if (default_virtcon && default_monitor) {
2676
            add_device_config(DEV_VIRTCON, "mon:stdio");
2677
        } else {
2678
            if (default_serial)
2679
                add_device_config(DEV_SERIAL, "stdio");
2680
            if (default_virtcon)
2681
                add_device_config(DEV_VIRTCON, "stdio");
2682
            if (default_monitor)
2683
                monitor_parse("stdio", "readline");
2684
        }
2685
    } else {
2686
        if (default_serial)
2687
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
2688
        if (default_parallel)
2689
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2690
        if (default_monitor)
2691
            monitor_parse("vc:80Cx24C", "readline");
2692
        if (default_virtcon)
2693
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2694
    }
2695
    if (default_vga)
2696
        vga_interface_type = VGA_CIRRUS;
2697

    
2698
    socket_init();
2699

    
2700
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2701
        exit(1);
2702
#ifdef CONFIG_VIRTFS
2703
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2704
        exit(1);
2705
    }
2706
#endif
2707

    
2708
    os_daemonize();
2709

    
2710
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2711
        os_pidfile_error();
2712
        exit(1);
2713
    }
2714

    
2715
    if (kvm_allowed) {
2716
        int ret = kvm_init(smp_cpus);
2717
        if (ret < 0) {
2718
            if (!kvm_available()) {
2719
                printf("KVM not supported for this target\n");
2720
            } else {
2721
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2722
            }
2723
            exit(1);
2724
        }
2725
    }
2726

    
2727
    if (qemu_init_main_loop()) {
2728
        fprintf(stderr, "qemu_init_main_loop failed\n");
2729
        exit(1);
2730
    }
2731
    linux_boot = (kernel_filename != NULL);
2732

    
2733
    if (!linux_boot && *kernel_cmdline != '\0') {
2734
        fprintf(stderr, "-append only allowed with -kernel option\n");
2735
        exit(1);
2736
    }
2737

    
2738
    if (!linux_boot && initrd_filename != NULL) {
2739
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
2740
        exit(1);
2741
    }
2742

    
2743
    os_set_line_buffering();
2744

    
2745
    if (init_timer_alarm() < 0) {
2746
        fprintf(stderr, "could not initialize alarm timer\n");
2747
        exit(1);
2748
    }
2749
    configure_icount(icount_option);
2750

    
2751
    if (net_init_clients() < 0) {
2752
        exit(1);
2753
    }
2754

    
2755
    /* init the bluetooth world */
2756
    if (foreach_device_config(DEV_BT, bt_parse))
2757
        exit(1);
2758

    
2759
    /* init the memory */
2760
    if (ram_size == 0)
2761
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2762

    
2763
    /* init the dynamic translator */
2764
    cpu_exec_init_all(tb_size * 1024 * 1024);
2765

    
2766
    bdrv_init_with_whitelist();
2767

    
2768
    blk_mig_init();
2769

    
2770
    if (default_cdrom) {
2771
        /* we always create the cdrom drive, even if no disk is there */
2772
        drive_add(NULL, CDROM_ALIAS);
2773
    }
2774

    
2775
    if (default_floppy) {
2776
        /* we always create at least one floppy */
2777
        drive_add(NULL, FD_ALIAS, 0);
2778
    }
2779

    
2780
    if (default_sdcard) {
2781
        /* we always create one sd slot, even if no card is in it */
2782
        drive_add(NULL, SD_ALIAS);
2783
    }
2784

    
2785
    /* open the virtual block devices */
2786
    if (snapshot)
2787
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2788
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2789
        exit(1);
2790

    
2791
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2792
                         ram_load, NULL);
2793

    
2794
    if (nb_numa_nodes > 0) {
2795
        int i;
2796

    
2797
        if (nb_numa_nodes > smp_cpus) {
2798
            nb_numa_nodes = smp_cpus;
2799
        }
2800

    
2801
        /* If no memory size if given for any node, assume the default case
2802
         * and distribute the available memory equally across all nodes
2803
         */
2804
        for (i = 0; i < nb_numa_nodes; i++) {
2805
            if (node_mem[i] != 0)
2806
                break;
2807
        }
2808
        if (i == nb_numa_nodes) {
2809
            uint64_t usedmem = 0;
2810

    
2811
            /* On Linux, the each node's border has to be 8MB aligned,
2812
             * the final node gets the rest.
2813
             */
2814
            for (i = 0; i < nb_numa_nodes - 1; i++) {
2815
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2816
                usedmem += node_mem[i];
2817
            }
2818
            node_mem[i] = ram_size - usedmem;
2819
        }
2820

    
2821
        for (i = 0; i < nb_numa_nodes; i++) {
2822
            if (node_cpumask[i] != 0)
2823
                break;
2824
        }
2825
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
2826
         * must cope with this anyway, because there are BIOSes out there in
2827
         * real machines which also use this scheme.
2828
         */
2829
        if (i == nb_numa_nodes) {
2830
            for (i = 0; i < smp_cpus; i++) {
2831
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
2832
            }
2833
        }
2834
    }
2835

    
2836
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2837
        exit(1);
2838
    }
2839

    
2840
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2841
        exit(1);
2842
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2843
        exit(1);
2844
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2845
        exit(1);
2846
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2847
        exit(1);
2848

    
2849
    module_call_init(MODULE_INIT_DEVICE);
2850

    
2851
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2852
        exit(0);
2853

    
2854
    if (watchdog) {
2855
        i = select_watchdog(watchdog);
2856
        if (i > 0)
2857
            exit (i == 1 ? 1 : 0);
2858
    }
2859

    
2860
    if (machine->compat_props) {
2861
        qdev_prop_register_global_list(machine->compat_props);
2862
    }
2863
    qemu_add_globals();
2864

    
2865
    machine->init(ram_size, boot_devices,
2866
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2867

    
2868
    cpu_synchronize_all_post_init();
2869

    
2870
    /* must be after terminal init, SDL library changes signal handlers */
2871
    os_setup_signal_handling();
2872

    
2873
    set_numa_modes();
2874

    
2875
    current_machine = machine;
2876

    
2877
    /* init USB devices */
2878
    if (usb_enabled) {
2879
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
2880
            exit(1);
2881
    }
2882

    
2883
    /* init generic devices */
2884
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
2885
        exit(1);
2886

    
2887
    net_check_clients();
2888

    
2889
    /* just use the first displaystate for the moment */
2890
    ds = get_displaystate();
2891

    
2892
    if (display_type == DT_DEFAULT) {
2893
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2894
        display_type = DT_SDL;
2895
#else
2896
        display_type = DT_VNC;
2897
        vnc_display = "localhost:0,to=99";
2898
        show_vnc_port = 1;
2899
#endif
2900
    }
2901
        
2902

    
2903
    switch (display_type) {
2904
    case DT_NOGRAPHIC:
2905
        break;
2906
#if defined(CONFIG_CURSES)
2907
    case DT_CURSES:
2908
        curses_display_init(ds, full_screen);
2909
        break;
2910
#endif
2911
#if defined(CONFIG_SDL)
2912
    case DT_SDL:
2913
        sdl_display_init(ds, full_screen, no_frame);
2914
        break;
2915
#elif defined(CONFIG_COCOA)
2916
    case DT_SDL:
2917
        cocoa_display_init(ds, full_screen);
2918
        break;
2919
#endif
2920
    case DT_VNC:
2921
        vnc_display_init(ds);
2922
        if (vnc_display_open(ds, vnc_display) < 0)
2923
            exit(1);
2924

    
2925
        if (show_vnc_port) {
2926
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2927
        }
2928
        break;
2929
    default:
2930
        break;
2931
    }
2932
    dpy_resize(ds);
2933

    
2934
    dcl = ds->listeners;
2935
    while (dcl != NULL) {
2936
        if (dcl->dpy_refresh != NULL) {
2937
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2938
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2939
            break;
2940
        }
2941
        dcl = dcl->next;
2942
    }
2943

    
2944
    if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
2945
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2946
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2947
    }
2948

    
2949
    text_consoles_set_display(ds);
2950

    
2951
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2952
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2953
                gdbstub_dev);
2954
        exit(1);
2955
    }
2956

    
2957
    qdev_machine_creation_done();
2958

    
2959
    if (rom_load_all() != 0) {
2960
        fprintf(stderr, "rom loading failed\n");
2961
        exit(1);
2962
    }
2963

    
2964
    qemu_system_reset();
2965
    if (loadvm) {
2966
        if (load_vmstate(loadvm) < 0) {
2967
            autostart = 0;
2968
        }
2969
    }
2970

    
2971
    if (incoming) {
2972
        int ret = qemu_start_incoming_migration(incoming);
2973
        if (ret < 0) {
2974
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2975
                    incoming, ret);
2976
            exit(ret);
2977
        }
2978
    } else if (autostart) {
2979
        vm_start();
2980
    }
2981

    
2982
    os_setup_post();
2983

    
2984
    main_loop();
2985
    quit_timers();
2986
    net_cleanup();
2987

    
2988
    return 0;
2989
}