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1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31

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

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

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

    
67
#include <linux/ppdev.h>
68
#include <linux/parport.h>
69
#endif
70
#ifdef __sun__
71
#include <sys/stat.h>
72
#include <sys/ethernet.h>
73
#include <sys/sockio.h>
74
#include <netinet/arp.h>
75
#include <netinet/in_systm.h>
76
#include <netinet/ip.h>
77
#include <netinet/ip_icmp.h> // must come after ip.h
78
#include <netinet/udp.h>
79
#include <netinet/tcp.h>
80
#include <net/if.h>
81
#include <syslog.h>
82
#include <stropts.h>
83
#endif
84
#endif
85
#endif
86

    
87
#if defined(__OpenBSD__)
88
#include <util.h>
89
#endif
90

    
91
#if defined(CONFIG_VDE)
92
#include <libvdeplug.h>
93
#endif
94

    
95
#ifdef _WIN32
96
#include <windows.h>
97
#endif
98

    
99
#ifdef CONFIG_SDL
100
#if defined(__APPLE__) || defined(main)
101
#include <SDL.h>
102
int qemu_main(int argc, char **argv, char **envp);
103
int main(int argc, char **argv)
104
{
105
    return qemu_main(argc, argv, NULL);
106
}
107
#undef main
108
#define main qemu_main
109
#endif
110
#endif /* CONFIG_SDL */
111

    
112
#ifdef CONFIG_COCOA
113
#undef main
114
#define main qemu_main
115
#endif /* CONFIG_COCOA */
116

    
117
#include "hw/hw.h"
118
#include "hw/boards.h"
119
#include "hw/usb.h"
120
#include "hw/pcmcia.h"
121
#include "hw/pc.h"
122
#include "hw/isa.h"
123
#include "hw/baum.h"
124
#include "hw/bt.h"
125
#include "hw/watchdog.h"
126
#include "hw/smbios.h"
127
#include "hw/xen.h"
128
#include "hw/qdev.h"
129
#include "hw/loader.h"
130
#include "bt-host.h"
131
#include "net.h"
132
#include "net/slirp.h"
133
#include "monitor.h"
134
#include "console.h"
135
#include "sysemu.h"
136
#include "gdbstub.h"
137
#include "qemu-timer.h"
138
#include "qemu-char.h"
139
#include "cache-utils.h"
140
#include "block.h"
141
#include "blockdev.h"
142
#include "block-migration.h"
143
#include "dma.h"
144
#include "audio/audio.h"
145
#include "migration.h"
146
#include "kvm.h"
147
#include "qemu-option.h"
148
#include "qemu-config.h"
149
#include "qemu-objects.h"
150
#include "qemu-options.h"
151
#ifdef CONFIG_VIRTFS
152
#include "fsdev/qemu-fsdev.h"
153
#endif
154

    
155
#include "disas.h"
156

    
157
#include "qemu_socket.h"
158

    
159
#include "slirp/libslirp.h"
160

    
161
#include "trace.h"
162
#include "qemu-queue.h"
163
#include "cpus.h"
164
#include "arch_init.h"
165

    
166
#include "ui/qemu-spice.h"
167

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

    
171
#define DEFAULT_RAM_SIZE 128
172

    
173
#define MAX_VIRTIO_CONSOLES 1
174

    
175
static const char *data_dir;
176
const char *bios_name = NULL;
177
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
178
DisplayType display_type = DT_DEFAULT;
179
int display_remote = 0;
180
const char* keyboard_layout = NULL;
181
ram_addr_t ram_size;
182
const char *mem_path = NULL;
183
#ifdef MAP_POPULATE
184
int mem_prealloc = 0; /* force preallocation of physical target memory */
185
#endif
186
int nb_nics;
187
NICInfo nd_table[MAX_NICS];
188
int vm_running;
189
int autostart;
190
int incoming_expected; /* Started with -incoming and waiting for incoming */
191
static int rtc_utc = 1;
192
static int rtc_date_offset = -1; /* -1 means no change */
193
QEMUClock *rtc_clock;
194
int vga_interface_type = VGA_NONE;
195
static int full_screen = 0;
196
#ifdef CONFIG_SDL
197
static int no_frame = 0;
198
#endif
199
int no_quit = 0;
200
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203
int win2k_install_hack = 0;
204
int rtc_td_hack = 0;
205
int usb_enabled = 0;
206
int singlestep = 0;
207
int smp_cpus = 1;
208
int max_cpus = 0;
209
int smp_cores = 1;
210
int smp_threads = 1;
211
const char *vnc_display;
212
int acpi_enabled = 1;
213
int no_hpet = 0;
214
int fd_bootchk = 1;
215
int no_reboot = 0;
216
int no_shutdown = 0;
217
int cursor_hide = 1;
218
int graphic_rotate = 0;
219
uint8_t irq0override = 1;
220
const char *watchdog;
221
const char *option_rom[MAX_OPTION_ROMS];
222
int nb_option_roms;
223
int semihosting_enabled = 0;
224
int old_param = 0;
225
const char *qemu_name;
226
int alt_grab = 0;
227
int ctrl_grab = 0;
228
unsigned int nb_prom_envs = 0;
229
const char *prom_envs[MAX_PROM_ENVS];
230
int boot_menu;
231

    
232
int nb_numa_nodes;
233
uint64_t node_mem[MAX_NODES];
234
uint64_t node_cpumask[MAX_NODES];
235

    
236
static QEMUTimer *nographic_timer;
237

    
238
uint8_t qemu_uuid[16];
239

    
240
static QEMUBootSetHandler *boot_set_handler;
241
static void *boot_set_opaque;
242

    
243
static NotifierList exit_notifiers =
244
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
245

    
246
int kvm_allowed = 0;
247
uint32_t xen_domid;
248
enum xen_mode xen_mode = XEN_EMULATE;
249

    
250
static int default_serial = 1;
251
static int default_parallel = 1;
252
static int default_virtcon = 1;
253
static int default_monitor = 1;
254
static int default_vga = 1;
255
static int default_floppy = 1;
256
static int default_cdrom = 1;
257
static int default_sdcard = 1;
258

    
259
static struct {
260
    const char *driver;
261
    int *flag;
262
} default_list[] = {
263
    { .driver = "isa-serial",           .flag = &default_serial    },
264
    { .driver = "isa-parallel",         .flag = &default_parallel  },
265
    { .driver = "isa-fdc",              .flag = &default_floppy    },
266
    { .driver = "ide-drive",            .flag = &default_cdrom     },
267
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
268
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
269
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
270
    { .driver = "VGA",                  .flag = &default_vga       },
271
    { .driver = "cirrus-vga",           .flag = &default_vga       },
272
    { .driver = "vmware-svga",          .flag = &default_vga       },
273
};
274

    
275
static int default_driver_check(QemuOpts *opts, void *opaque)
276
{
277
    const char *driver = qemu_opt_get(opts, "driver");
278
    int i;
279

    
280
    if (!driver)
281
        return 0;
282
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
283
        if (strcmp(default_list[i].driver, driver) != 0)
284
            continue;
285
        *(default_list[i].flag) = 0;
286
    }
287
    return 0;
288
}
289

    
290
/***********************************************************/
291
/* real time host monotonic timer */
292

    
293
/***********************************************************/
294
/* host time/date access */
295
void qemu_get_timedate(struct tm *tm, int offset)
296
{
297
    time_t ti;
298
    struct tm *ret;
299

    
300
    time(&ti);
301
    ti += offset;
302
    if (rtc_date_offset == -1) {
303
        if (rtc_utc)
304
            ret = gmtime(&ti);
305
        else
306
            ret = localtime(&ti);
307
    } else {
308
        ti -= rtc_date_offset;
309
        ret = gmtime(&ti);
310
    }
311

    
312
    memcpy(tm, ret, sizeof(struct tm));
313
}
314

    
315
int qemu_timedate_diff(struct tm *tm)
316
{
317
    time_t seconds;
318

    
319
    if (rtc_date_offset == -1)
320
        if (rtc_utc)
321
            seconds = mktimegm(tm);
322
        else
323
            seconds = mktime(tm);
324
    else
325
        seconds = mktimegm(tm) + rtc_date_offset;
326

    
327
    return seconds - time(NULL);
328
}
329

    
330
void rtc_change_mon_event(struct tm *tm)
331
{
332
    QObject *data;
333

    
334
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
335
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
336
    qobject_decref(data);
337
}
338

    
339
static void configure_rtc_date_offset(const char *startdate, int legacy)
340
{
341
    time_t rtc_start_date;
342
    struct tm tm;
343

    
344
    if (!strcmp(startdate, "now") && legacy) {
345
        rtc_date_offset = -1;
346
    } else {
347
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
348
                   &tm.tm_year,
349
                   &tm.tm_mon,
350
                   &tm.tm_mday,
351
                   &tm.tm_hour,
352
                   &tm.tm_min,
353
                   &tm.tm_sec) == 6) {
354
            /* OK */
355
        } else if (sscanf(startdate, "%d-%d-%d",
356
                          &tm.tm_year,
357
                          &tm.tm_mon,
358
                          &tm.tm_mday) == 3) {
359
            tm.tm_hour = 0;
360
            tm.tm_min = 0;
361
            tm.tm_sec = 0;
362
        } else {
363
            goto date_fail;
364
        }
365
        tm.tm_year -= 1900;
366
        tm.tm_mon--;
367
        rtc_start_date = mktimegm(&tm);
368
        if (rtc_start_date == -1) {
369
        date_fail:
370
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
371
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
372
            exit(1);
373
        }
374
        rtc_date_offset = time(NULL) - rtc_start_date;
375
    }
376
}
377

    
378
static void configure_rtc(QemuOpts *opts)
379
{
380
    const char *value;
381

    
382
    value = qemu_opt_get(opts, "base");
383
    if (value) {
384
        if (!strcmp(value, "utc")) {
385
            rtc_utc = 1;
386
        } else if (!strcmp(value, "localtime")) {
387
            rtc_utc = 0;
388
        } else {
389
            configure_rtc_date_offset(value, 0);
390
        }
391
    }
392
    value = qemu_opt_get(opts, "clock");
393
    if (value) {
394
        if (!strcmp(value, "host")) {
395
            rtc_clock = host_clock;
396
        } else if (!strcmp(value, "vm")) {
397
            rtc_clock = vm_clock;
398
        } else {
399
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
400
            exit(1);
401
        }
402
    }
403
    value = qemu_opt_get(opts, "driftfix");
404
    if (value) {
405
        if (!strcmp(value, "slew")) {
406
            rtc_td_hack = 1;
407
        } else if (!strcmp(value, "none")) {
408
            rtc_td_hack = 0;
409
        } else {
410
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
411
            exit(1);
412
        }
413
    }
414
}
415

    
416
/***********************************************************/
417
/* Bluetooth support */
418
static int nb_hcis;
419
static int cur_hci;
420
static struct HCIInfo *hci_table[MAX_NICS];
421

    
422
static struct bt_vlan_s {
423
    struct bt_scatternet_s net;
424
    int id;
425
    struct bt_vlan_s *next;
426
} *first_bt_vlan;
427

    
428
/* find or alloc a new bluetooth "VLAN" */
429
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
430
{
431
    struct bt_vlan_s **pvlan, *vlan;
432
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
433
        if (vlan->id == id)
434
            return &vlan->net;
435
    }
436
    vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
437
    vlan->id = id;
438
    pvlan = &first_bt_vlan;
439
    while (*pvlan != NULL)
440
        pvlan = &(*pvlan)->next;
441
    *pvlan = vlan;
442
    return &vlan->net;
443
}
444

    
445
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
446
{
447
}
448

    
449
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
450
{
451
    return -ENOTSUP;
452
}
453

    
454
static struct HCIInfo null_hci = {
455
    .cmd_send = null_hci_send,
456
    .sco_send = null_hci_send,
457
    .acl_send = null_hci_send,
458
    .bdaddr_set = null_hci_addr_set,
459
};
460

    
461
struct HCIInfo *qemu_next_hci(void)
462
{
463
    if (cur_hci == nb_hcis)
464
        return &null_hci;
465

    
466
    return hci_table[cur_hci++];
467
}
468

    
469
static struct HCIInfo *hci_init(const char *str)
470
{
471
    char *endp;
472
    struct bt_scatternet_s *vlan = 0;
473

    
474
    if (!strcmp(str, "null"))
475
        /* null */
476
        return &null_hci;
477
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
478
        /* host[:hciN] */
479
        return bt_host_hci(str[4] ? str + 5 : "hci0");
480
    else if (!strncmp(str, "hci", 3)) {
481
        /* hci[,vlan=n] */
482
        if (str[3]) {
483
            if (!strncmp(str + 3, ",vlan=", 6)) {
484
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
485
                if (*endp)
486
                    vlan = 0;
487
            }
488
        } else
489
            vlan = qemu_find_bt_vlan(0);
490
        if (vlan)
491
           return bt_new_hci(vlan);
492
    }
493

    
494
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
495

    
496
    return 0;
497
}
498

    
499
static int bt_hci_parse(const char *str)
500
{
501
    struct HCIInfo *hci;
502
    bdaddr_t bdaddr;
503

    
504
    if (nb_hcis >= MAX_NICS) {
505
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
506
        return -1;
507
    }
508

    
509
    hci = hci_init(str);
510
    if (!hci)
511
        return -1;
512

    
513
    bdaddr.b[0] = 0x52;
514
    bdaddr.b[1] = 0x54;
515
    bdaddr.b[2] = 0x00;
516
    bdaddr.b[3] = 0x12;
517
    bdaddr.b[4] = 0x34;
518
    bdaddr.b[5] = 0x56 + nb_hcis;
519
    hci->bdaddr_set(hci, bdaddr.b);
520

    
521
    hci_table[nb_hcis++] = hci;
522

    
523
    return 0;
524
}
525

    
526
static void bt_vhci_add(int vlan_id)
527
{
528
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
529

    
530
    if (!vlan->slave)
531
        fprintf(stderr, "qemu: warning: adding a VHCI to "
532
                        "an empty scatternet %i\n", vlan_id);
533

    
534
    bt_vhci_init(bt_new_hci(vlan));
535
}
536

    
537
static struct bt_device_s *bt_device_add(const char *opt)
538
{
539
    struct bt_scatternet_s *vlan;
540
    int vlan_id = 0;
541
    char *endp = strstr(opt, ",vlan=");
542
    int len = (endp ? endp - opt : strlen(opt)) + 1;
543
    char devname[10];
544

    
545
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
546

    
547
    if (endp) {
548
        vlan_id = strtol(endp + 6, &endp, 0);
549
        if (*endp) {
550
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
551
            return 0;
552
        }
553
    }
554

    
555
    vlan = qemu_find_bt_vlan(vlan_id);
556

    
557
    if (!vlan->slave)
558
        fprintf(stderr, "qemu: warning: adding a slave device to "
559
                        "an empty scatternet %i\n", vlan_id);
560

    
561
    if (!strcmp(devname, "keyboard"))
562
        return bt_keyboard_init(vlan);
563

    
564
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
565
    return 0;
566
}
567

    
568
static int bt_parse(const char *opt)
569
{
570
    const char *endp, *p;
571
    int vlan;
572

    
573
    if (strstart(opt, "hci", &endp)) {
574
        if (!*endp || *endp == ',') {
575
            if (*endp)
576
                if (!strstart(endp, ",vlan=", 0))
577
                    opt = endp + 1;
578

    
579
            return bt_hci_parse(opt);
580
       }
581
    } else if (strstart(opt, "vhci", &endp)) {
582
        if (!*endp || *endp == ',') {
583
            if (*endp) {
584
                if (strstart(endp, ",vlan=", &p)) {
585
                    vlan = strtol(p, (char **) &endp, 0);
586
                    if (*endp) {
587
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
588
                        return 1;
589
                    }
590
                } else {
591
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
592
                    return 1;
593
                }
594
            } else
595
                vlan = 0;
596

    
597
            bt_vhci_add(vlan);
598
            return 0;
599
        }
600
    } else if (strstart(opt, "device:", &endp))
601
        return !bt_device_add(endp);
602

    
603
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
604
    return 1;
605
}
606

    
607
/***********************************************************/
608
/* QEMU Block devices */
609

    
610
#define HD_ALIAS "index=%d,media=disk"
611
#define CDROM_ALIAS "index=2,media=cdrom"
612
#define FD_ALIAS "index=%d,if=floppy"
613
#define PFLASH_ALIAS "if=pflash"
614
#define MTD_ALIAS "if=mtd"
615
#define SD_ALIAS "index=0,if=sd"
616

    
617
static int drive_init_func(QemuOpts *opts, void *opaque)
618
{
619
    int *use_scsi = opaque;
620
    int fatal_error = 0;
621

    
622
    if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
623
        if (fatal_error)
624
            return 1;
625
    }
626
    return 0;
627
}
628

    
629
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
630
{
631
    if (NULL == qemu_opt_get(opts, "snapshot")) {
632
        qemu_opt_set(opts, "snapshot", "on");
633
    }
634
    return 0;
635
}
636

    
637
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
638
{
639
    boot_set_handler = func;
640
    boot_set_opaque = opaque;
641
}
642

    
643
int qemu_boot_set(const char *boot_devices)
644
{
645
    if (!boot_set_handler) {
646
        return -EINVAL;
647
    }
648
    return boot_set_handler(boot_set_opaque, boot_devices);
649
}
650

    
651
static void validate_bootdevices(char *devices)
652
{
653
    /* We just do some generic consistency checks */
654
    const char *p;
655
    int bitmap = 0;
656

    
657
    for (p = devices; *p != '\0'; p++) {
658
        /* Allowed boot devices are:
659
         * a-b: floppy disk drives
660
         * c-f: IDE disk drives
661
         * g-m: machine implementation dependant drives
662
         * n-p: network devices
663
         * It's up to each machine implementation to check if the given boot
664
         * devices match the actual hardware implementation and firmware
665
         * features.
666
         */
667
        if (*p < 'a' || *p > 'p') {
668
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
669
            exit(1);
670
        }
671
        if (bitmap & (1 << (*p - 'a'))) {
672
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
673
            exit(1);
674
        }
675
        bitmap |= 1 << (*p - 'a');
676
    }
677
}
678

    
679
static void restore_boot_devices(void *opaque)
680
{
681
    char *standard_boot_devices = opaque;
682
    static int first = 1;
683

    
684
    /* Restore boot order and remove ourselves after the first boot */
685
    if (first) {
686
        first = 0;
687
        return;
688
    }
689

    
690
    qemu_boot_set(standard_boot_devices);
691

    
692
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
693
    qemu_free(standard_boot_devices);
694
}
695

    
696
static void numa_add(const char *optarg)
697
{
698
    char option[128];
699
    char *endptr;
700
    unsigned long long value, endvalue;
701
    int nodenr;
702

    
703
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
704
    if (!strcmp(option, "node")) {
705
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
706
            nodenr = nb_numa_nodes;
707
        } else {
708
            nodenr = strtoull(option, NULL, 10);
709
        }
710

    
711
        if (get_param_value(option, 128, "mem", optarg) == 0) {
712
            node_mem[nodenr] = 0;
713
        } else {
714
            ssize_t sval;
715
            sval = strtosz(option, NULL);
716
            if (sval < 0) {
717
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
718
                exit(1);
719
            }
720
            node_mem[nodenr] = sval;
721
        }
722
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
723
            node_cpumask[nodenr] = 0;
724
        } else {
725
            value = strtoull(option, &endptr, 10);
726
            if (value >= 64) {
727
                value = 63;
728
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
729
            } else {
730
                if (*endptr == '-') {
731
                    endvalue = strtoull(endptr+1, &endptr, 10);
732
                    if (endvalue >= 63) {
733
                        endvalue = 62;
734
                        fprintf(stderr,
735
                            "only 63 CPUs in NUMA mode supported.\n");
736
                    }
737
                    value = (2ULL << endvalue) - (1ULL << value);
738
                } else {
739
                    value = 1ULL << value;
740
                }
741
            }
742
            node_cpumask[nodenr] = value;
743
        }
744
        nb_numa_nodes++;
745
    }
746
    return;
747
}
748

    
749
static void smp_parse(const char *optarg)
750
{
751
    int smp, sockets = 0, threads = 0, cores = 0;
752
    char *endptr;
753
    char option[128];
754

    
755
    smp = strtoul(optarg, &endptr, 10);
756
    if (endptr != optarg) {
757
        if (*endptr == ',') {
758
            endptr++;
759
        }
760
    }
761
    if (get_param_value(option, 128, "sockets", endptr) != 0)
762
        sockets = strtoull(option, NULL, 10);
763
    if (get_param_value(option, 128, "cores", endptr) != 0)
764
        cores = strtoull(option, NULL, 10);
765
    if (get_param_value(option, 128, "threads", endptr) != 0)
766
        threads = strtoull(option, NULL, 10);
767
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
768
        max_cpus = strtoull(option, NULL, 10);
769

    
770
    /* compute missing values, prefer sockets over cores over threads */
771
    if (smp == 0 || sockets == 0) {
772
        sockets = sockets > 0 ? sockets : 1;
773
        cores = cores > 0 ? cores : 1;
774
        threads = threads > 0 ? threads : 1;
775
        if (smp == 0) {
776
            smp = cores * threads * sockets;
777
        }
778
    } else {
779
        if (cores == 0) {
780
            threads = threads > 0 ? threads : 1;
781
            cores = smp / (sockets * threads);
782
        } else {
783
            threads = smp / (cores * sockets);
784
        }
785
    }
786
    smp_cpus = smp;
787
    smp_cores = cores > 0 ? cores : 1;
788
    smp_threads = threads > 0 ? threads : 1;
789
    if (max_cpus == 0)
790
        max_cpus = smp_cpus;
791
}
792

    
793
/***********************************************************/
794
/* USB devices */
795

    
796
static int usb_device_add(const char *devname)
797
{
798
    const char *p;
799
    USBDevice *dev = NULL;
800

    
801
    if (!usb_enabled)
802
        return -1;
803

    
804
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
805
    dev = usbdevice_create(devname);
806
    if (dev)
807
        goto done;
808

    
809
    /* the other ones */
810
    if (strstart(devname, "host:", &p)) {
811
        dev = usb_host_device_open(p);
812
    } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
813
        dev = usb_bt_init(devname[2] ? hci_init(p) :
814
                        bt_new_hci(qemu_find_bt_vlan(0)));
815
    } else {
816
        return -1;
817
    }
818
    if (!dev)
819
        return -1;
820

    
821
done:
822
    return 0;
823
}
824

    
825
static int usb_device_del(const char *devname)
826
{
827
    int bus_num, addr;
828
    const char *p;
829

    
830
    if (strstart(devname, "host:", &p))
831
        return usb_host_device_close(p);
832

    
833
    if (!usb_enabled)
834
        return -1;
835

    
836
    p = strchr(devname, '.');
837
    if (!p)
838
        return -1;
839
    bus_num = strtoul(devname, NULL, 0);
840
    addr = strtoul(p + 1, NULL, 0);
841

    
842
    return usb_device_delete_addr(bus_num, addr);
843
}
844

    
845
static int usb_parse(const char *cmdline)
846
{
847
    int r;
848
    r = usb_device_add(cmdline);
849
    if (r < 0) {
850
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
851
    }
852
    return r;
853
}
854

    
855
void do_usb_add(Monitor *mon, const QDict *qdict)
856
{
857
    const char *devname = qdict_get_str(qdict, "devname");
858
    if (usb_device_add(devname) < 0) {
859
        error_report("could not add USB device '%s'", devname);
860
    }
861
}
862

    
863
void do_usb_del(Monitor *mon, const QDict *qdict)
864
{
865
    const char *devname = qdict_get_str(qdict, "devname");
866
    if (usb_device_del(devname) < 0) {
867
        error_report("could not delete USB device '%s'", devname);
868
    }
869
}
870

    
871
/***********************************************************/
872
/* PCMCIA/Cardbus */
873

    
874
static struct pcmcia_socket_entry_s {
875
    PCMCIASocket *socket;
876
    struct pcmcia_socket_entry_s *next;
877
} *pcmcia_sockets = 0;
878

    
879
void pcmcia_socket_register(PCMCIASocket *socket)
880
{
881
    struct pcmcia_socket_entry_s *entry;
882

    
883
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
884
    entry->socket = socket;
885
    entry->next = pcmcia_sockets;
886
    pcmcia_sockets = entry;
887
}
888

    
889
void pcmcia_socket_unregister(PCMCIASocket *socket)
890
{
891
    struct pcmcia_socket_entry_s *entry, **ptr;
892

    
893
    ptr = &pcmcia_sockets;
894
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
895
        if (entry->socket == socket) {
896
            *ptr = entry->next;
897
            qemu_free(entry);
898
        }
899
}
900

    
901
void pcmcia_info(Monitor *mon)
902
{
903
    struct pcmcia_socket_entry_s *iter;
904

    
905
    if (!pcmcia_sockets)
906
        monitor_printf(mon, "No PCMCIA sockets\n");
907

    
908
    for (iter = pcmcia_sockets; iter; iter = iter->next)
909
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
910
                       iter->socket->attached ? iter->socket->card_string :
911
                       "Empty");
912
}
913

    
914
/***********************************************************/
915
/* I/O handling */
916

    
917
typedef struct IOHandlerRecord {
918
    int fd;
919
    IOCanReadHandler *fd_read_poll;
920
    IOHandler *fd_read;
921
    IOHandler *fd_write;
922
    int deleted;
923
    void *opaque;
924
    /* temporary data */
925
    struct pollfd *ufd;
926
    QLIST_ENTRY(IOHandlerRecord) next;
927
} IOHandlerRecord;
928

    
929
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
930
    QLIST_HEAD_INITIALIZER(io_handlers);
931

    
932

    
933
/* XXX: fd_read_poll should be suppressed, but an API change is
934
   necessary in the character devices to suppress fd_can_read(). */
935
int qemu_set_fd_handler2(int fd,
936
                         IOCanReadHandler *fd_read_poll,
937
                         IOHandler *fd_read,
938
                         IOHandler *fd_write,
939
                         void *opaque)
940
{
941
    IOHandlerRecord *ioh;
942

    
943
    if (!fd_read && !fd_write) {
944
        QLIST_FOREACH(ioh, &io_handlers, next) {
945
            if (ioh->fd == fd) {
946
                ioh->deleted = 1;
947
                break;
948
            }
949
        }
950
    } else {
951
        QLIST_FOREACH(ioh, &io_handlers, next) {
952
            if (ioh->fd == fd)
953
                goto found;
954
        }
955
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
956
        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
957
    found:
958
        ioh->fd = fd;
959
        ioh->fd_read_poll = fd_read_poll;
960
        ioh->fd_read = fd_read;
961
        ioh->fd_write = fd_write;
962
        ioh->opaque = opaque;
963
        ioh->deleted = 0;
964
    }
965
    return 0;
966
}
967

    
968
int qemu_set_fd_handler(int fd,
969
                        IOHandler *fd_read,
970
                        IOHandler *fd_write,
971
                        void *opaque)
972
{
973
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
974
}
975

    
976
/***********************************************************/
977
/* machine registration */
978

    
979
static QEMUMachine *first_machine = NULL;
980
QEMUMachine *current_machine = NULL;
981

    
982
int qemu_register_machine(QEMUMachine *m)
983
{
984
    QEMUMachine **pm;
985
    pm = &first_machine;
986
    while (*pm != NULL)
987
        pm = &(*pm)->next;
988
    m->next = NULL;
989
    *pm = m;
990
    return 0;
991
}
992

    
993
static QEMUMachine *find_machine(const char *name)
994
{
995
    QEMUMachine *m;
996

    
997
    for(m = first_machine; m != NULL; m = m->next) {
998
        if (!strcmp(m->name, name))
999
            return m;
1000
        if (m->alias && !strcmp(m->alias, name))
1001
            return m;
1002
    }
1003
    return NULL;
1004
}
1005

    
1006
static QEMUMachine *find_default_machine(void)
1007
{
1008
    QEMUMachine *m;
1009

    
1010
    for(m = first_machine; m != NULL; m = m->next) {
1011
        if (m->is_default) {
1012
            return m;
1013
        }
1014
    }
1015
    return NULL;
1016
}
1017

    
1018
/***********************************************************/
1019
/* main execution loop */
1020

    
1021
static void gui_update(void *opaque)
1022
{
1023
    uint64_t interval = GUI_REFRESH_INTERVAL;
1024
    DisplayState *ds = opaque;
1025
    DisplayChangeListener *dcl = ds->listeners;
1026

    
1027
    qemu_flush_coalesced_mmio_buffer();
1028
    dpy_refresh(ds);
1029

    
1030
    while (dcl != NULL) {
1031
        if (dcl->gui_timer_interval &&
1032
            dcl->gui_timer_interval < interval)
1033
            interval = dcl->gui_timer_interval;
1034
        dcl = dcl->next;
1035
    }
1036
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1037
}
1038

    
1039
static void nographic_update(void *opaque)
1040
{
1041
    uint64_t interval = GUI_REFRESH_INTERVAL;
1042

    
1043
    qemu_flush_coalesced_mmio_buffer();
1044
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1045
}
1046

    
1047
struct vm_change_state_entry {
1048
    VMChangeStateHandler *cb;
1049
    void *opaque;
1050
    QLIST_ENTRY (vm_change_state_entry) entries;
1051
};
1052

    
1053
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1054

    
1055
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1056
                                                     void *opaque)
1057
{
1058
    VMChangeStateEntry *e;
1059

    
1060
    e = qemu_mallocz(sizeof (*e));
1061

    
1062
    e->cb = cb;
1063
    e->opaque = opaque;
1064
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1065
    return e;
1066
}
1067

    
1068
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1069
{
1070
    QLIST_REMOVE (e, entries);
1071
    qemu_free (e);
1072
}
1073

    
1074
void vm_state_notify(int running, int reason)
1075
{
1076
    VMChangeStateEntry *e;
1077

    
1078
    trace_vm_state_notify(running, reason);
1079

    
1080
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1081
        e->cb(e->opaque, running, reason);
1082
    }
1083
}
1084

    
1085
void vm_start(void)
1086
{
1087
    if (!vm_running) {
1088
        cpu_enable_ticks();
1089
        vm_running = 1;
1090
        vm_state_notify(1, 0);
1091
        resume_all_vcpus();
1092
        monitor_protocol_event(QEVENT_RESUME, NULL);
1093
    }
1094
}
1095

    
1096
/* reset/shutdown handler */
1097

    
1098
typedef struct QEMUResetEntry {
1099
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1100
    QEMUResetHandler *func;
1101
    void *opaque;
1102
} QEMUResetEntry;
1103

    
1104
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1105
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1106
static int reset_requested;
1107
static int shutdown_requested;
1108
static int powerdown_requested;
1109
int debug_requested;
1110
int vmstop_requested;
1111

    
1112
int qemu_shutdown_requested(void)
1113
{
1114
    int r = shutdown_requested;
1115
    shutdown_requested = 0;
1116
    return r;
1117
}
1118

    
1119
int qemu_reset_requested(void)
1120
{
1121
    int r = reset_requested;
1122
    reset_requested = 0;
1123
    return r;
1124
}
1125

    
1126
int qemu_powerdown_requested(void)
1127
{
1128
    int r = powerdown_requested;
1129
    powerdown_requested = 0;
1130
    return r;
1131
}
1132

    
1133
static int qemu_debug_requested(void)
1134
{
1135
    int r = debug_requested;
1136
    debug_requested = 0;
1137
    return r;
1138
}
1139

    
1140
static int qemu_vmstop_requested(void)
1141
{
1142
    int r = vmstop_requested;
1143
    vmstop_requested = 0;
1144
    return r;
1145
}
1146

    
1147
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1148
{
1149
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1150

    
1151
    re->func = func;
1152
    re->opaque = opaque;
1153
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1154
}
1155

    
1156
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1157
{
1158
    QEMUResetEntry *re;
1159

    
1160
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1161
        if (re->func == func && re->opaque == opaque) {
1162
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1163
            qemu_free(re);
1164
            return;
1165
        }
1166
    }
1167
}
1168

    
1169
void qemu_system_reset(void)
1170
{
1171
    QEMUResetEntry *re, *nre;
1172

    
1173
    /* reset all devices */
1174
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1175
        re->func(re->opaque);
1176
    }
1177
    monitor_protocol_event(QEVENT_RESET, NULL);
1178
    cpu_synchronize_all_post_reset();
1179
}
1180

    
1181
void qemu_system_reset_request(void)
1182
{
1183
    if (no_reboot) {
1184
        shutdown_requested = 1;
1185
    } else {
1186
        reset_requested = 1;
1187
    }
1188
    qemu_notify_event();
1189
}
1190

    
1191
void qemu_system_shutdown_request(void)
1192
{
1193
    shutdown_requested = 1;
1194
    qemu_notify_event();
1195
}
1196

    
1197
void qemu_system_powerdown_request(void)
1198
{
1199
    powerdown_requested = 1;
1200
    qemu_notify_event();
1201
}
1202

    
1203
void main_loop_wait(int nonblocking)
1204
{
1205
    IOHandlerRecord *ioh;
1206
    fd_set rfds, wfds, xfds;
1207
    int ret, nfds;
1208
    struct timeval tv;
1209
    int timeout;
1210

    
1211
    if (nonblocking)
1212
        timeout = 0;
1213
    else {
1214
        timeout = qemu_calculate_timeout();
1215
        qemu_bh_update_timeout(&timeout);
1216
    }
1217

    
1218
    os_host_main_loop_wait(&timeout);
1219

    
1220
    /* poll any events */
1221
    /* XXX: separate device handlers from system ones */
1222
    nfds = -1;
1223
    FD_ZERO(&rfds);
1224
    FD_ZERO(&wfds);
1225
    FD_ZERO(&xfds);
1226
    QLIST_FOREACH(ioh, &io_handlers, next) {
1227
        if (ioh->deleted)
1228
            continue;
1229
        if (ioh->fd_read &&
1230
            (!ioh->fd_read_poll ||
1231
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1232
            FD_SET(ioh->fd, &rfds);
1233
            if (ioh->fd > nfds)
1234
                nfds = ioh->fd;
1235
        }
1236
        if (ioh->fd_write) {
1237
            FD_SET(ioh->fd, &wfds);
1238
            if (ioh->fd > nfds)
1239
                nfds = ioh->fd;
1240
        }
1241
    }
1242

    
1243
    tv.tv_sec = timeout / 1000;
1244
    tv.tv_usec = (timeout % 1000) * 1000;
1245

    
1246
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1247

    
1248
    qemu_mutex_unlock_iothread();
1249
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1250
    qemu_mutex_lock_iothread();
1251
    if (ret > 0) {
1252
        IOHandlerRecord *pioh;
1253

    
1254
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1255
            if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1256
                ioh->fd_read(ioh->opaque);
1257
            }
1258
            if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1259
                ioh->fd_write(ioh->opaque);
1260
            }
1261

    
1262
            /* Do this last in case read/write handlers marked it for deletion */
1263
            if (ioh->deleted) {
1264
                QLIST_REMOVE(ioh, next);
1265
                qemu_free(ioh);
1266
            }
1267
        }
1268
    }
1269

    
1270
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1271

    
1272
    qemu_run_all_timers();
1273

    
1274
    /* Check bottom-halves last in case any of the earlier events triggered
1275
       them.  */
1276
    qemu_bh_poll();
1277

    
1278
}
1279

    
1280
static int vm_can_run(void)
1281
{
1282
    if (powerdown_requested)
1283
        return 0;
1284
    if (reset_requested)
1285
        return 0;
1286
    if (shutdown_requested)
1287
        return 0;
1288
    if (debug_requested)
1289
        return 0;
1290
    return 1;
1291
}
1292

    
1293
qemu_irq qemu_system_powerdown;
1294

    
1295
static void main_loop(void)
1296
{
1297
    int r;
1298

    
1299
    qemu_main_loop_start();
1300

    
1301
    for (;;) {
1302
        do {
1303
            bool nonblocking = false;
1304
#ifdef CONFIG_PROFILER
1305
            int64_t ti;
1306
#endif
1307
#ifndef CONFIG_IOTHREAD
1308
            nonblocking = cpu_exec_all();
1309
#endif
1310
#ifdef CONFIG_PROFILER
1311
            ti = profile_getclock();
1312
#endif
1313
            main_loop_wait(nonblocking);
1314
#ifdef CONFIG_PROFILER
1315
            dev_time += profile_getclock() - ti;
1316
#endif
1317
        } while (vm_can_run());
1318

    
1319
        if ((r = qemu_debug_requested())) {
1320
            vm_stop(r);
1321
        }
1322
        if (qemu_shutdown_requested()) {
1323
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1324
            if (no_shutdown) {
1325
                vm_stop(0);
1326
                no_shutdown = 0;
1327
            } else
1328
                break;
1329
        }
1330
        if (qemu_reset_requested()) {
1331
            pause_all_vcpus();
1332
            qemu_system_reset();
1333
            resume_all_vcpus();
1334
        }
1335
        if (qemu_powerdown_requested()) {
1336
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1337
            qemu_irq_raise(qemu_system_powerdown);
1338
        }
1339
        if ((r = qemu_vmstop_requested())) {
1340
            vm_stop(r);
1341
        }
1342
    }
1343
    bdrv_close_all();
1344
    pause_all_vcpus();
1345
}
1346

    
1347
static void version(void)
1348
{
1349
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1350
}
1351

    
1352
static void help(int exitcode)
1353
{
1354
    const char *options_help =
1355
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1356
        opt_help
1357
#define DEFHEADING(text) stringify(text) "\n"
1358
#include "qemu-options.def"
1359
#undef DEF
1360
#undef DEFHEADING
1361
#undef GEN_DOCS
1362
        ;
1363
    version();
1364
    printf("usage: %s [options] [disk_image]\n"
1365
           "\n"
1366
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1367
           "\n"
1368
           "%s\n"
1369
           "During emulation, the following keys are useful:\n"
1370
           "ctrl-alt-f      toggle full screen\n"
1371
           "ctrl-alt-n      switch to virtual console 'n'\n"
1372
           "ctrl-alt        toggle mouse and keyboard grab\n"
1373
           "\n"
1374
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
1375
           "qemu",
1376
           options_help);
1377
    exit(exitcode);
1378
}
1379

    
1380
#define HAS_ARG 0x0001
1381

    
1382
typedef struct QEMUOption {
1383
    const char *name;
1384
    int flags;
1385
    int index;
1386
    uint32_t arch_mask;
1387
} QEMUOption;
1388

    
1389
static const QEMUOption qemu_options[] = {
1390
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1391
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1392
    { option, opt_arg, opt_enum, arch_mask },
1393
#define DEFHEADING(text)
1394
#include "qemu-options.def"
1395
#undef DEF
1396
#undef DEFHEADING
1397
#undef GEN_DOCS
1398
    { NULL },
1399
};
1400
static void select_vgahw (const char *p)
1401
{
1402
    const char *opts;
1403

    
1404
    default_vga = 0;
1405
    vga_interface_type = VGA_NONE;
1406
    if (strstart(p, "std", &opts)) {
1407
        vga_interface_type = VGA_STD;
1408
    } else if (strstart(p, "cirrus", &opts)) {
1409
        vga_interface_type = VGA_CIRRUS;
1410
    } else if (strstart(p, "vmware", &opts)) {
1411
        vga_interface_type = VGA_VMWARE;
1412
    } else if (strstart(p, "xenfb", &opts)) {
1413
        vga_interface_type = VGA_XENFB;
1414
    } else if (strstart(p, "qxl", &opts)) {
1415
        vga_interface_type = VGA_QXL;
1416
    } else if (!strstart(p, "none", &opts)) {
1417
    invalid_vga:
1418
        fprintf(stderr, "Unknown vga type: %s\n", p);
1419
        exit(1);
1420
    }
1421
    while (*opts) {
1422
        const char *nextopt;
1423

    
1424
        if (strstart(opts, ",retrace=", &nextopt)) {
1425
            opts = nextopt;
1426
            if (strstart(opts, "dumb", &nextopt))
1427
                vga_retrace_method = VGA_RETRACE_DUMB;
1428
            else if (strstart(opts, "precise", &nextopt))
1429
                vga_retrace_method = VGA_RETRACE_PRECISE;
1430
            else goto invalid_vga;
1431
        } else goto invalid_vga;
1432
        opts = nextopt;
1433
    }
1434
}
1435

    
1436
static int balloon_parse(const char *arg)
1437
{
1438
    QemuOpts *opts;
1439

    
1440
    if (strcmp(arg, "none") == 0) {
1441
        return 0;
1442
    }
1443

    
1444
    if (!strncmp(arg, "virtio", 6)) {
1445
        if (arg[6] == ',') {
1446
            /* have params -> parse them */
1447
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1448
            if (!opts)
1449
                return  -1;
1450
        } else {
1451
            /* create empty opts */
1452
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1453
        }
1454
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1455
        return 0;
1456
    }
1457

    
1458
    return -1;
1459
}
1460

    
1461
char *qemu_find_file(int type, const char *name)
1462
{
1463
    int len;
1464
    const char *subdir;
1465
    char *buf;
1466

    
1467
    /* If name contains path separators then try it as a straight path.  */
1468
    if ((strchr(name, '/') || strchr(name, '\\'))
1469
        && access(name, R_OK) == 0) {
1470
        return qemu_strdup(name);
1471
    }
1472
    switch (type) {
1473
    case QEMU_FILE_TYPE_BIOS:
1474
        subdir = "";
1475
        break;
1476
    case QEMU_FILE_TYPE_KEYMAP:
1477
        subdir = "keymaps/";
1478
        break;
1479
    default:
1480
        abort();
1481
    }
1482
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1483
    buf = qemu_mallocz(len);
1484
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1485
    if (access(buf, R_OK)) {
1486
        qemu_free(buf);
1487
        return NULL;
1488
    }
1489
    return buf;
1490
}
1491

    
1492
static int device_help_func(QemuOpts *opts, void *opaque)
1493
{
1494
    return qdev_device_help(opts);
1495
}
1496

    
1497
static int device_init_func(QemuOpts *opts, void *opaque)
1498
{
1499
    DeviceState *dev;
1500

    
1501
    dev = qdev_device_add(opts);
1502
    if (!dev)
1503
        return -1;
1504
    return 0;
1505
}
1506

    
1507
static int chardev_init_func(QemuOpts *opts, void *opaque)
1508
{
1509
    CharDriverState *chr;
1510

    
1511
    chr = qemu_chr_open_opts(opts, NULL);
1512
    if (!chr)
1513
        return -1;
1514
    return 0;
1515
}
1516

    
1517
#ifdef CONFIG_VIRTFS
1518
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1519
{
1520
    int ret;
1521
    ret = qemu_fsdev_add(opts);
1522

    
1523
    return ret;
1524
}
1525
#endif
1526

    
1527
static int mon_init_func(QemuOpts *opts, void *opaque)
1528
{
1529
    CharDriverState *chr;
1530
    const char *chardev;
1531
    const char *mode;
1532
    int flags;
1533

    
1534
    mode = qemu_opt_get(opts, "mode");
1535
    if (mode == NULL) {
1536
        mode = "readline";
1537
    }
1538
    if (strcmp(mode, "readline") == 0) {
1539
        flags = MONITOR_USE_READLINE;
1540
    } else if (strcmp(mode, "control") == 0) {
1541
        flags = MONITOR_USE_CONTROL;
1542
    } else {
1543
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1544
        exit(1);
1545
    }
1546

    
1547
    if (qemu_opt_get_bool(opts, "pretty", 0))
1548
        flags |= MONITOR_USE_PRETTY;
1549

    
1550
    if (qemu_opt_get_bool(opts, "default", 0))
1551
        flags |= MONITOR_IS_DEFAULT;
1552

    
1553
    chardev = qemu_opt_get(opts, "chardev");
1554
    chr = qemu_chr_find(chardev);
1555
    if (chr == NULL) {
1556
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1557
        exit(1);
1558
    }
1559

    
1560
    monitor_init(chr, flags);
1561
    return 0;
1562
}
1563

    
1564
static void monitor_parse(const char *optarg, const char *mode)
1565
{
1566
    static int monitor_device_index = 0;
1567
    QemuOpts *opts;
1568
    const char *p;
1569
    char label[32];
1570
    int def = 0;
1571

    
1572
    if (strstart(optarg, "chardev:", &p)) {
1573
        snprintf(label, sizeof(label), "%s", p);
1574
    } else {
1575
        snprintf(label, sizeof(label), "compat_monitor%d",
1576
                 monitor_device_index);
1577
        if (monitor_device_index == 0) {
1578
            def = 1;
1579
        }
1580
        opts = qemu_chr_parse_compat(label, optarg);
1581
        if (!opts) {
1582
            fprintf(stderr, "parse error: %s\n", optarg);
1583
            exit(1);
1584
        }
1585
    }
1586

    
1587
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1588
    if (!opts) {
1589
        fprintf(stderr, "duplicate chardev: %s\n", label);
1590
        exit(1);
1591
    }
1592
    qemu_opt_set(opts, "mode", mode);
1593
    qemu_opt_set(opts, "chardev", label);
1594
    if (def)
1595
        qemu_opt_set(opts, "default", "on");
1596
    monitor_device_index++;
1597
}
1598

    
1599
struct device_config {
1600
    enum {
1601
        DEV_USB,       /* -usbdevice     */
1602
        DEV_BT,        /* -bt            */
1603
        DEV_SERIAL,    /* -serial        */
1604
        DEV_PARALLEL,  /* -parallel      */
1605
        DEV_VIRTCON,   /* -virtioconsole */
1606
        DEV_DEBUGCON,  /* -debugcon */
1607
    } type;
1608
    const char *cmdline;
1609
    QTAILQ_ENTRY(device_config) next;
1610
};
1611
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1612

    
1613
static void add_device_config(int type, const char *cmdline)
1614
{
1615
    struct device_config *conf;
1616

    
1617
    conf = qemu_mallocz(sizeof(*conf));
1618
    conf->type = type;
1619
    conf->cmdline = cmdline;
1620
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1621
}
1622

    
1623
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1624
{
1625
    struct device_config *conf;
1626
    int rc;
1627

    
1628
    QTAILQ_FOREACH(conf, &device_configs, next) {
1629
        if (conf->type != type)
1630
            continue;
1631
        rc = func(conf->cmdline);
1632
        if (0 != rc)
1633
            return rc;
1634
    }
1635
    return 0;
1636
}
1637

    
1638
static int serial_parse(const char *devname)
1639
{
1640
    static int index = 0;
1641
    char label[32];
1642

    
1643
    if (strcmp(devname, "none") == 0)
1644
        return 0;
1645
    if (index == MAX_SERIAL_PORTS) {
1646
        fprintf(stderr, "qemu: too many serial ports\n");
1647
        exit(1);
1648
    }
1649
    snprintf(label, sizeof(label), "serial%d", index);
1650
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
1651
    if (!serial_hds[index]) {
1652
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1653
                devname, strerror(errno));
1654
        return -1;
1655
    }
1656
    index++;
1657
    return 0;
1658
}
1659

    
1660
static int parallel_parse(const char *devname)
1661
{
1662
    static int index = 0;
1663
    char label[32];
1664

    
1665
    if (strcmp(devname, "none") == 0)
1666
        return 0;
1667
    if (index == MAX_PARALLEL_PORTS) {
1668
        fprintf(stderr, "qemu: too many parallel ports\n");
1669
        exit(1);
1670
    }
1671
    snprintf(label, sizeof(label), "parallel%d", index);
1672
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1673
    if (!parallel_hds[index]) {
1674
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1675
                devname, strerror(errno));
1676
        return -1;
1677
    }
1678
    index++;
1679
    return 0;
1680
}
1681

    
1682
static int virtcon_parse(const char *devname)
1683
{
1684
    QemuOptsList *device = qemu_find_opts("device");
1685
    static int index = 0;
1686
    char label[32];
1687
    QemuOpts *bus_opts, *dev_opts;
1688

    
1689
    if (strcmp(devname, "none") == 0)
1690
        return 0;
1691
    if (index == MAX_VIRTIO_CONSOLES) {
1692
        fprintf(stderr, "qemu: too many virtio consoles\n");
1693
        exit(1);
1694
    }
1695

    
1696
    bus_opts = qemu_opts_create(device, NULL, 0);
1697
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
1698

    
1699
    dev_opts = qemu_opts_create(device, NULL, 0);
1700
    qemu_opt_set(dev_opts, "driver", "virtconsole");
1701

    
1702
    snprintf(label, sizeof(label), "virtcon%d", index);
1703
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1704
    if (!virtcon_hds[index]) {
1705
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1706
                devname, strerror(errno));
1707
        return -1;
1708
    }
1709
    qemu_opt_set(dev_opts, "chardev", label);
1710

    
1711
    index++;
1712
    return 0;
1713
}
1714

    
1715
static int debugcon_parse(const char *devname)
1716
{   
1717
    QemuOpts *opts;
1718

    
1719
    if (!qemu_chr_open("debugcon", devname, NULL)) {
1720
        exit(1);
1721
    }
1722
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1723
    if (!opts) {
1724
        fprintf(stderr, "qemu: already have a debugcon device\n");
1725
        exit(1);
1726
    }
1727
    qemu_opt_set(opts, "driver", "isa-debugcon");
1728
    qemu_opt_set(opts, "chardev", "debugcon");
1729
    return 0;
1730
}
1731

    
1732
void qemu_add_exit_notifier(Notifier *notify)
1733
{
1734
    notifier_list_add(&exit_notifiers, notify);
1735
}
1736

    
1737
void qemu_remove_exit_notifier(Notifier *notify)
1738
{
1739
    notifier_list_remove(&exit_notifiers, notify);
1740
}
1741

    
1742
static void qemu_run_exit_notifiers(void)
1743
{
1744
    notifier_list_notify(&exit_notifiers);
1745
}
1746

    
1747
static const QEMUOption *lookup_opt(int argc, char **argv,
1748
                                    const char **poptarg, int *poptind)
1749
{
1750
    const QEMUOption *popt;
1751
    int optind = *poptind;
1752
    char *r = argv[optind];
1753
    const char *optarg;
1754

    
1755
    loc_set_cmdline(argv, optind, 1);
1756
    optind++;
1757
    /* Treat --foo the same as -foo.  */
1758
    if (r[1] == '-')
1759
        r++;
1760
    popt = qemu_options;
1761
    for(;;) {
1762
        if (!popt->name) {
1763
            error_report("invalid option");
1764
            exit(1);
1765
        }
1766
        if (!strcmp(popt->name, r + 1))
1767
            break;
1768
        popt++;
1769
    }
1770
    if (popt->flags & HAS_ARG) {
1771
        if (optind >= argc) {
1772
            error_report("requires an argument");
1773
            exit(1);
1774
        }
1775
        optarg = argv[optind++];
1776
        loc_set_cmdline(argv, optind - 2, 2);
1777
    } else {
1778
        optarg = NULL;
1779
    }
1780

    
1781
    *poptarg = optarg;
1782
    *poptind = optind;
1783

    
1784
    return popt;
1785
}
1786

    
1787
int main(int argc, char **argv, char **envp)
1788
{
1789
    const char *gdbstub_dev = NULL;
1790
    int i;
1791
    int snapshot, linux_boot;
1792
    const char *icount_option = NULL;
1793
    const char *initrd_filename;
1794
    const char *kernel_filename, *kernel_cmdline;
1795
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1796
    DisplayState *ds;
1797
    DisplayChangeListener *dcl;
1798
    int cyls, heads, secs, translation;
1799
    QemuOpts *hda_opts = NULL, *opts;
1800
    QemuOptsList *olist;
1801
    int optind;
1802
    const char *optarg;
1803
    const char *loadvm = NULL;
1804
    QEMUMachine *machine;
1805
    const char *cpu_model;
1806
    int tb_size;
1807
    const char *pid_file = NULL;
1808
    const char *incoming = NULL;
1809
    int show_vnc_port = 0;
1810
    int defconfig = 1;
1811

    
1812
#ifdef CONFIG_SIMPLE_TRACE
1813
    const char *trace_file = NULL;
1814
#endif
1815
    atexit(qemu_run_exit_notifiers);
1816
    error_set_progname(argv[0]);
1817

    
1818
    init_clocks();
1819

    
1820
    qemu_cache_utils_init(envp);
1821

    
1822
    QLIST_INIT (&vm_change_state_head);
1823
    os_setup_early_signal_handling();
1824

    
1825
    module_call_init(MODULE_INIT_MACHINE);
1826
    machine = find_default_machine();
1827
    cpu_model = NULL;
1828
    initrd_filename = NULL;
1829
    ram_size = 0;
1830
    snapshot = 0;
1831
    kernel_filename = NULL;
1832
    kernel_cmdline = "";
1833
    cyls = heads = secs = 0;
1834
    translation = BIOS_ATA_TRANSLATION_AUTO;
1835

    
1836
    for (i = 0; i < MAX_NODES; i++) {
1837
        node_mem[i] = 0;
1838
        node_cpumask[i] = 0;
1839
    }
1840

    
1841
    nb_numa_nodes = 0;
1842
    nb_nics = 0;
1843

    
1844
    tb_size = 0;
1845
    autostart= 1;
1846

    
1847
    /* first pass of option parsing */
1848
    optind = 1;
1849
    while (optind < argc) {
1850
        if (argv[optind][0] != '-') {
1851
            /* disk image */
1852
            optind++;
1853
            continue;
1854
        } else {
1855
            const QEMUOption *popt;
1856

    
1857
            popt = lookup_opt(argc, argv, &optarg, &optind);
1858
            switch (popt->index) {
1859
            case QEMU_OPTION_nodefconfig:
1860
                defconfig=0;
1861
                break;
1862
            }
1863
        }
1864
    }
1865

    
1866
    if (defconfig) {
1867
        int ret;
1868

    
1869
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1870
        if (ret < 0 && ret != -ENOENT) {
1871
            exit(1);
1872
        }
1873

    
1874
        ret = qemu_read_config_file(arch_config_name);
1875
        if (ret < 0 && ret != -ENOENT) {
1876
            exit(1);
1877
        }
1878
    }
1879
    cpudef_init();
1880

    
1881
    /* second pass of option parsing */
1882
    optind = 1;
1883
    for(;;) {
1884
        if (optind >= argc)
1885
            break;
1886
        if (argv[optind][0] != '-') {
1887
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1888
        } else {
1889
            const QEMUOption *popt;
1890

    
1891
            popt = lookup_opt(argc, argv, &optarg, &optind);
1892
            if (!(popt->arch_mask & arch_type)) {
1893
                printf("Option %s not supported for this target\n", popt->name);
1894
                exit(1);
1895
            }
1896
            switch(popt->index) {
1897
            case QEMU_OPTION_M:
1898
                machine = find_machine(optarg);
1899
                if (!machine) {
1900
                    QEMUMachine *m;
1901
                    printf("Supported machines are:\n");
1902
                    for(m = first_machine; m != NULL; m = m->next) {
1903
                        if (m->alias)
1904
                            printf("%-10s %s (alias of %s)\n",
1905
                                   m->alias, m->desc, m->name);
1906
                        printf("%-10s %s%s\n",
1907
                               m->name, m->desc,
1908
                               m->is_default ? " (default)" : "");
1909
                    }
1910
                    exit(*optarg != '?');
1911
                }
1912
                break;
1913
            case QEMU_OPTION_cpu:
1914
                /* hw initialization will check this */
1915
                if (*optarg == '?') {
1916
                    list_cpus(stdout, &fprintf, optarg);
1917
                    exit(0);
1918
                } else {
1919
                    cpu_model = optarg;
1920
                }
1921
                break;
1922
            case QEMU_OPTION_initrd:
1923
                initrd_filename = optarg;
1924
                break;
1925
            case QEMU_OPTION_hda:
1926
                if (cyls == 0)
1927
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
1928
                else
1929
                    hda_opts = drive_add(optarg, HD_ALIAS
1930
                             ",cyls=%d,heads=%d,secs=%d%s",
1931
                             0, cyls, heads, secs,
1932
                             translation == BIOS_ATA_TRANSLATION_LBA ?
1933
                                 ",trans=lba" :
1934
                             translation == BIOS_ATA_TRANSLATION_NONE ?
1935
                                 ",trans=none" : "");
1936
                 break;
1937
            case QEMU_OPTION_hdb:
1938
            case QEMU_OPTION_hdc:
1939
            case QEMU_OPTION_hdd:
1940
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1941
                break;
1942
            case QEMU_OPTION_drive:
1943
                drive_add(NULL, "%s", optarg);
1944
                break;
1945
            case QEMU_OPTION_set:
1946
                if (qemu_set_option(optarg) != 0)
1947
                    exit(1);
1948
                break;
1949
            case QEMU_OPTION_global:
1950
                if (qemu_global_option(optarg) != 0)
1951
                    exit(1);
1952
                break;
1953
            case QEMU_OPTION_mtdblock:
1954
                drive_add(optarg, MTD_ALIAS);
1955
                break;
1956
            case QEMU_OPTION_sd:
1957
                drive_add(optarg, SD_ALIAS);
1958
                break;
1959
            case QEMU_OPTION_pflash:
1960
                drive_add(optarg, PFLASH_ALIAS);
1961
                break;
1962
            case QEMU_OPTION_snapshot:
1963
                snapshot = 1;
1964
                break;
1965
            case QEMU_OPTION_hdachs:
1966
                {
1967
                    const char *p;
1968
                    p = optarg;
1969
                    cyls = strtol(p, (char **)&p, 0);
1970
                    if (cyls < 1 || cyls > 16383)
1971
                        goto chs_fail;
1972
                    if (*p != ',')
1973
                        goto chs_fail;
1974
                    p++;
1975
                    heads = strtol(p, (char **)&p, 0);
1976
                    if (heads < 1 || heads > 16)
1977
                        goto chs_fail;
1978
                    if (*p != ',')
1979
                        goto chs_fail;
1980
                    p++;
1981
                    secs = strtol(p, (char **)&p, 0);
1982
                    if (secs < 1 || secs > 63)
1983
                        goto chs_fail;
1984
                    if (*p == ',') {
1985
                        p++;
1986
                        if (!strcmp(p, "none"))
1987
                            translation = BIOS_ATA_TRANSLATION_NONE;
1988
                        else if (!strcmp(p, "lba"))
1989
                            translation = BIOS_ATA_TRANSLATION_LBA;
1990
                        else if (!strcmp(p, "auto"))
1991
                            translation = BIOS_ATA_TRANSLATION_AUTO;
1992
                        else
1993
                            goto chs_fail;
1994
                    } else if (*p != '\0') {
1995
                    chs_fail:
1996
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
1997
                        exit(1);
1998
                    }
1999
                    if (hda_opts != NULL) {
2000
                        char num[16];
2001
                        snprintf(num, sizeof(num), "%d", cyls);
2002
                        qemu_opt_set(hda_opts, "cyls", num);
2003
                        snprintf(num, sizeof(num), "%d", heads);
2004
                        qemu_opt_set(hda_opts, "heads", num);
2005
                        snprintf(num, sizeof(num), "%d", secs);
2006
                        qemu_opt_set(hda_opts, "secs", num);
2007
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2008
                            qemu_opt_set(hda_opts, "trans", "lba");
2009
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2010
                            qemu_opt_set(hda_opts, "trans", "none");
2011
                    }
2012
                }
2013
                break;
2014
            case QEMU_OPTION_numa:
2015
                if (nb_numa_nodes >= MAX_NODES) {
2016
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2017
                    exit(1);
2018
                }
2019
                numa_add(optarg);
2020
                break;
2021
            case QEMU_OPTION_nographic:
2022
                display_type = DT_NOGRAPHIC;
2023
                break;
2024
#ifdef CONFIG_CURSES
2025
            case QEMU_OPTION_curses:
2026
                display_type = DT_CURSES;
2027
                break;
2028
#endif
2029
            case QEMU_OPTION_portrait:
2030
                graphic_rotate = 1;
2031
                break;
2032
            case QEMU_OPTION_kernel:
2033
                kernel_filename = optarg;
2034
                break;
2035
            case QEMU_OPTION_append:
2036
                kernel_cmdline = optarg;
2037
                break;
2038
            case QEMU_OPTION_cdrom:
2039
                drive_add(optarg, CDROM_ALIAS);
2040
                break;
2041
            case QEMU_OPTION_boot:
2042
                {
2043
                    static const char * const params[] = {
2044
                        "order", "once", "menu", NULL
2045
                    };
2046
                    char buf[sizeof(boot_devices)];
2047
                    char *standard_boot_devices;
2048
                    int legacy = 0;
2049

    
2050
                    if (!strchr(optarg, '=')) {
2051
                        legacy = 1;
2052
                        pstrcpy(buf, sizeof(buf), optarg);
2053
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2054
                        fprintf(stderr,
2055
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2056
                                buf, optarg);
2057
                        exit(1);
2058
                    }
2059

    
2060
                    if (legacy ||
2061
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2062
                        validate_bootdevices(buf);
2063
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2064
                    }
2065
                    if (!legacy) {
2066
                        if (get_param_value(buf, sizeof(buf),
2067
                                            "once", optarg)) {
2068
                            validate_bootdevices(buf);
2069
                            standard_boot_devices = qemu_strdup(boot_devices);
2070
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2071
                            qemu_register_reset(restore_boot_devices,
2072
                                                standard_boot_devices);
2073
                        }
2074
                        if (get_param_value(buf, sizeof(buf),
2075
                                            "menu", optarg)) {
2076
                            if (!strcmp(buf, "on")) {
2077
                                boot_menu = 1;
2078
                            } else if (!strcmp(buf, "off")) {
2079
                                boot_menu = 0;
2080
                            } else {
2081
                                fprintf(stderr,
2082
                                        "qemu: invalid option value '%s'\n",
2083
                                        buf);
2084
                                exit(1);
2085
                            }
2086
                        }
2087
                    }
2088
                }
2089
                break;
2090
            case QEMU_OPTION_fda:
2091
            case QEMU_OPTION_fdb:
2092
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2093
                break;
2094
            case QEMU_OPTION_no_fd_bootchk:
2095
                fd_bootchk = 0;
2096
                break;
2097
            case QEMU_OPTION_netdev:
2098
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2099
                    exit(1);
2100
                }
2101
                break;
2102
            case QEMU_OPTION_net:
2103
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2104
                    exit(1);
2105
                }
2106
                break;
2107
#ifdef CONFIG_SLIRP
2108
            case QEMU_OPTION_tftp:
2109
                legacy_tftp_prefix = optarg;
2110
                break;
2111
            case QEMU_OPTION_bootp:
2112
                legacy_bootp_filename = optarg;
2113
                break;
2114
            case QEMU_OPTION_redir:
2115
                if (net_slirp_redir(optarg) < 0)
2116
                    exit(1);
2117
                break;
2118
#endif
2119
            case QEMU_OPTION_bt:
2120
                add_device_config(DEV_BT, optarg);
2121
                break;
2122
            case QEMU_OPTION_audio_help:
2123
                if (!(audio_available())) {
2124
                    printf("Option %s not supported for this target\n", popt->name);
2125
                    exit(1);
2126
                }
2127
                AUD_help ();
2128
                exit (0);
2129
                break;
2130
            case QEMU_OPTION_soundhw:
2131
                if (!(audio_available())) {
2132
                    printf("Option %s not supported for this target\n", popt->name);
2133
                    exit(1);
2134
                }
2135
                select_soundhw (optarg);
2136
                break;
2137
            case QEMU_OPTION_h:
2138
                help(0);
2139
                break;
2140
            case QEMU_OPTION_version:
2141
                version();
2142
                exit(0);
2143
                break;
2144
            case QEMU_OPTION_m: {
2145
                ssize_t value;
2146

    
2147
                value = strtosz(optarg, NULL);
2148
                if (value < 0) {
2149
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2150
                    exit(1);
2151
                }
2152

    
2153
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2154
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2155
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2156
                    exit(1);
2157
                }
2158
                if (value != (uint64_t)(ram_addr_t)value) {
2159
                    fprintf(stderr, "qemu: ram size too large\n");
2160
                    exit(1);
2161
                }
2162
                ram_size = value;
2163
                break;
2164
            }
2165
            case QEMU_OPTION_mempath:
2166
                mem_path = optarg;
2167
                break;
2168
#ifdef MAP_POPULATE
2169
            case QEMU_OPTION_mem_prealloc:
2170
                mem_prealloc = 1;
2171
                break;
2172
#endif
2173
            case QEMU_OPTION_d:
2174
                set_cpu_log(optarg);
2175
                break;
2176
            case QEMU_OPTION_s:
2177
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2178
                break;
2179
            case QEMU_OPTION_gdb:
2180
                gdbstub_dev = optarg;
2181
                break;
2182
            case QEMU_OPTION_L:
2183
                data_dir = optarg;
2184
                break;
2185
            case QEMU_OPTION_bios:
2186
                bios_name = optarg;
2187
                break;
2188
            case QEMU_OPTION_singlestep:
2189
                singlestep = 1;
2190
                break;
2191
            case QEMU_OPTION_S:
2192
                autostart = 0;
2193
                break;
2194
            case QEMU_OPTION_k:
2195
                keyboard_layout = optarg;
2196
                break;
2197
            case QEMU_OPTION_localtime:
2198
                rtc_utc = 0;
2199
                break;
2200
            case QEMU_OPTION_vga:
2201
                select_vgahw (optarg);
2202
                break;
2203
            case QEMU_OPTION_g:
2204
                {
2205
                    const char *p;
2206
                    int w, h, depth;
2207
                    p = optarg;
2208
                    w = strtol(p, (char **)&p, 10);
2209
                    if (w <= 0) {
2210
                    graphic_error:
2211
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2212
                        exit(1);
2213
                    }
2214
                    if (*p != 'x')
2215
                        goto graphic_error;
2216
                    p++;
2217
                    h = strtol(p, (char **)&p, 10);
2218
                    if (h <= 0)
2219
                        goto graphic_error;
2220
                    if (*p == 'x') {
2221
                        p++;
2222
                        depth = strtol(p, (char **)&p, 10);
2223
                        if (depth != 8 && depth != 15 && depth != 16 &&
2224
                            depth != 24 && depth != 32)
2225
                            goto graphic_error;
2226
                    } else if (*p == '\0') {
2227
                        depth = graphic_depth;
2228
                    } else {
2229
                        goto graphic_error;
2230
                    }
2231

    
2232
                    graphic_width = w;
2233
                    graphic_height = h;
2234
                    graphic_depth = depth;
2235
                }
2236
                break;
2237
            case QEMU_OPTION_echr:
2238
                {
2239
                    char *r;
2240
                    term_escape_char = strtol(optarg, &r, 0);
2241
                    if (r == optarg)
2242
                        printf("Bad argument to echr\n");
2243
                    break;
2244
                }
2245
            case QEMU_OPTION_monitor:
2246
                monitor_parse(optarg, "readline");
2247
                default_monitor = 0;
2248
                break;
2249
            case QEMU_OPTION_qmp:
2250
                monitor_parse(optarg, "control");
2251
                default_monitor = 0;
2252
                break;
2253
            case QEMU_OPTION_mon:
2254
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2255
                if (!opts) {
2256
                    exit(1);
2257
                }
2258
                default_monitor = 0;
2259
                break;
2260
            case QEMU_OPTION_chardev:
2261
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2262
                if (!opts) {
2263
                    exit(1);
2264
                }
2265
                break;
2266
            case QEMU_OPTION_fsdev:
2267
                olist = qemu_find_opts("fsdev");
2268
                if (!olist) {
2269
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2270
                    exit(1);
2271
                }
2272
                opts = qemu_opts_parse(olist, optarg, 1);
2273
                if (!opts) {
2274
                    fprintf(stderr, "parse error: %s\n", optarg);
2275
                    exit(1);
2276
                }
2277
                break;
2278
            case QEMU_OPTION_virtfs: {
2279
                char *arg_fsdev = NULL;
2280
                char *arg_9p = NULL;
2281
                int len = 0;
2282

    
2283
                olist = qemu_find_opts("virtfs");
2284
                if (!olist) {
2285
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2286
                    exit(1);
2287
                }
2288
                opts = qemu_opts_parse(olist, optarg, 1);
2289
                if (!opts) {
2290
                    fprintf(stderr, "parse error: %s\n", optarg);
2291
                    exit(1);
2292
                }
2293

    
2294
                if (qemu_opt_get(opts, "fstype") == NULL ||
2295
                        qemu_opt_get(opts, "mount_tag") == NULL ||
2296
                        qemu_opt_get(opts, "path") == NULL ||
2297
                        qemu_opt_get(opts, "security_model") == NULL) {
2298
                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2299
                            "security_model=[mapped|passthrough|none],"
2300
                            "mnt_tag=tag.\n");
2301
                    exit(1);
2302
                }
2303

    
2304
                len = strlen(",id=,path=,security_model=");
2305
                len += strlen(qemu_opt_get(opts, "fstype"));
2306
                len += strlen(qemu_opt_get(opts, "mount_tag"));
2307
                len += strlen(qemu_opt_get(opts, "path"));
2308
                len += strlen(qemu_opt_get(opts, "security_model"));
2309
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2310

    
2311
                snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2312
                         "%s,id=%s,path=%s,security_model=%s",
2313
                         qemu_opt_get(opts, "fstype"),
2314
                         qemu_opt_get(opts, "mount_tag"),
2315
                         qemu_opt_get(opts, "path"),
2316
                         qemu_opt_get(opts, "security_model"));
2317

    
2318
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2319
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2320
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2321

    
2322
                snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2323
                         "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2324
                         qemu_opt_get(opts, "mount_tag"),
2325
                         qemu_opt_get(opts, "mount_tag"));
2326

    
2327
                if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2328
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2329
                    exit(1);
2330
                }
2331

    
2332
                if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2333
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
2334
                    exit(1);
2335
                }
2336

    
2337
                qemu_free(arg_fsdev);
2338
                qemu_free(arg_9p);
2339
                break;
2340
            }
2341
            case QEMU_OPTION_serial:
2342
                add_device_config(DEV_SERIAL, optarg);
2343
                default_serial = 0;
2344
                if (strncmp(optarg, "mon:", 4) == 0) {
2345
                    default_monitor = 0;
2346
                }
2347
                break;
2348
            case QEMU_OPTION_watchdog:
2349
                if (watchdog) {
2350
                    fprintf(stderr,
2351
                            "qemu: only one watchdog option may be given\n");
2352
                    return 1;
2353
                }
2354
                watchdog = optarg;
2355
                break;
2356
            case QEMU_OPTION_watchdog_action:
2357
                if (select_watchdog_action(optarg) == -1) {
2358
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2359
                    exit(1);
2360
                }
2361
                break;
2362
            case QEMU_OPTION_virtiocon:
2363
                add_device_config(DEV_VIRTCON, optarg);
2364
                default_virtcon = 0;
2365
                if (strncmp(optarg, "mon:", 4) == 0) {
2366
                    default_monitor = 0;
2367
                }
2368
                break;
2369
            case QEMU_OPTION_parallel:
2370
                add_device_config(DEV_PARALLEL, optarg);
2371
                default_parallel = 0;
2372
                if (strncmp(optarg, "mon:", 4) == 0) {
2373
                    default_monitor = 0;
2374
                }
2375
                break;
2376
            case QEMU_OPTION_debugcon:
2377
                add_device_config(DEV_DEBUGCON, optarg);
2378
                break;
2379
            case QEMU_OPTION_loadvm:
2380
                loadvm = optarg;
2381
                break;
2382
            case QEMU_OPTION_full_screen:
2383
                full_screen = 1;
2384
                break;
2385
#ifdef CONFIG_SDL
2386
            case QEMU_OPTION_no_frame:
2387
                no_frame = 1;
2388
                break;
2389
            case QEMU_OPTION_alt_grab:
2390
                alt_grab = 1;
2391
                break;
2392
            case QEMU_OPTION_ctrl_grab:
2393
                ctrl_grab = 1;
2394
                break;
2395
            case QEMU_OPTION_no_quit:
2396
                no_quit = 1;
2397
                break;
2398
            case QEMU_OPTION_sdl:
2399
                display_type = DT_SDL;
2400
                break;
2401
#endif
2402
            case QEMU_OPTION_pidfile:
2403
                pid_file = optarg;
2404
                break;
2405
            case QEMU_OPTION_win2k_hack:
2406
                win2k_install_hack = 1;
2407
                break;
2408
            case QEMU_OPTION_rtc_td_hack:
2409
                rtc_td_hack = 1;
2410
                break;
2411
            case QEMU_OPTION_acpitable:
2412
                do_acpitable_option(optarg);
2413
                break;
2414
            case QEMU_OPTION_smbios:
2415
                do_smbios_option(optarg);
2416
                break;
2417
            case QEMU_OPTION_enable_kvm:
2418
                kvm_allowed = 1;
2419
                break;
2420
            case QEMU_OPTION_usb:
2421
                usb_enabled = 1;
2422
                break;
2423
            case QEMU_OPTION_usbdevice:
2424
                usb_enabled = 1;
2425
                add_device_config(DEV_USB, optarg);
2426
                break;
2427
            case QEMU_OPTION_device:
2428
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2429
                    exit(1);
2430
                }
2431
                break;
2432
            case QEMU_OPTION_smp:
2433
                smp_parse(optarg);
2434
                if (smp_cpus < 1) {
2435
                    fprintf(stderr, "Invalid number of CPUs\n");
2436
                    exit(1);
2437
                }
2438
                if (max_cpus < smp_cpus) {
2439
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2440
                            "smp\n");
2441
                    exit(1);
2442
                }
2443
                if (max_cpus > 255) {
2444
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2445
                    exit(1);
2446
                }
2447
                break;
2448
            case QEMU_OPTION_vnc:
2449
                display_remote++;
2450
                vnc_display = optarg;
2451
                break;
2452
            case QEMU_OPTION_no_acpi:
2453
                acpi_enabled = 0;
2454
                break;
2455
            case QEMU_OPTION_no_hpet:
2456
                no_hpet = 1;
2457
                break;
2458
            case QEMU_OPTION_balloon:
2459
                if (balloon_parse(optarg) < 0) {
2460
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2461
                    exit(1);
2462
                }
2463
                break;
2464
            case QEMU_OPTION_no_reboot:
2465
                no_reboot = 1;
2466
                break;
2467
            case QEMU_OPTION_no_shutdown:
2468
                no_shutdown = 1;
2469
                break;
2470
            case QEMU_OPTION_show_cursor:
2471
                cursor_hide = 0;
2472
                break;
2473
            case QEMU_OPTION_uuid:
2474
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2475
                    fprintf(stderr, "Fail to parse UUID string."
2476
                            " Wrong format.\n");
2477
                    exit(1);
2478
                }
2479
                break;
2480
            case QEMU_OPTION_option_rom:
2481
                if (nb_option_roms >= MAX_OPTION_ROMS) {
2482
                    fprintf(stderr, "Too many option ROMs\n");
2483
                    exit(1);
2484
                }
2485
                option_rom[nb_option_roms] = optarg;
2486
                nb_option_roms++;
2487
                break;
2488
            case QEMU_OPTION_semihosting:
2489
                semihosting_enabled = 1;
2490
                break;
2491
            case QEMU_OPTION_name:
2492
                qemu_name = qemu_strdup(optarg);
2493
                 {
2494
                     char *p = strchr(qemu_name, ',');
2495
                     if (p != NULL) {
2496
                        *p++ = 0;
2497
                        if (strncmp(p, "process=", 8)) {
2498
                            fprintf(stderr, "Unknown subargument %s to -name", p);
2499
                            exit(1);
2500
                        }
2501
                        p += 8;
2502
                        os_set_proc_name(p);
2503
                     }        
2504
                 }        
2505
                break;
2506
            case QEMU_OPTION_prom_env:
2507
                if (nb_prom_envs >= MAX_PROM_ENVS) {
2508
                    fprintf(stderr, "Too many prom variables\n");
2509
                    exit(1);
2510
                }
2511
                prom_envs[nb_prom_envs] = optarg;
2512
                nb_prom_envs++;
2513
                break;
2514
            case QEMU_OPTION_old_param:
2515
                old_param = 1;
2516
                break;
2517
            case QEMU_OPTION_clock:
2518
                configure_alarms(optarg);
2519
                break;
2520
            case QEMU_OPTION_startdate:
2521
                configure_rtc_date_offset(optarg, 1);
2522
                break;
2523
            case QEMU_OPTION_rtc:
2524
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2525
                if (!opts) {
2526
                    exit(1);
2527
                }
2528
                configure_rtc(opts);
2529
                break;
2530
            case QEMU_OPTION_tb_size:
2531
                tb_size = strtol(optarg, NULL, 0);
2532
                if (tb_size < 0)
2533
                    tb_size = 0;
2534
                break;
2535
            case QEMU_OPTION_icount:
2536
                icount_option = optarg;
2537
                break;
2538
            case QEMU_OPTION_incoming:
2539
                incoming = optarg;
2540
                incoming_expected = true;
2541
                break;
2542
            case QEMU_OPTION_nodefaults:
2543
                default_serial = 0;
2544
                default_parallel = 0;
2545
                default_virtcon = 0;
2546
                default_monitor = 0;
2547
                default_vga = 0;
2548
                default_net = 0;
2549
                default_floppy = 0;
2550
                default_cdrom = 0;
2551
                default_sdcard = 0;
2552
                break;
2553
            case QEMU_OPTION_xen_domid:
2554
                if (!(xen_available())) {
2555
                    printf("Option %s not supported for this target\n", popt->name);
2556
                    exit(1);
2557
                }
2558
                xen_domid = atoi(optarg);
2559
                break;
2560
            case QEMU_OPTION_xen_create:
2561
                if (!(xen_available())) {
2562
                    printf("Option %s not supported for this target\n", popt->name);
2563
                    exit(1);
2564
                }
2565
                xen_mode = XEN_CREATE;
2566
                break;
2567
            case QEMU_OPTION_xen_attach:
2568
                if (!(xen_available())) {
2569
                    printf("Option %s not supported for this target\n", popt->name);
2570
                    exit(1);
2571
                }
2572
                xen_mode = XEN_ATTACH;
2573
                break;
2574
#ifdef CONFIG_SIMPLE_TRACE
2575
            case QEMU_OPTION_trace:
2576
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2577
                if (opts) {
2578
                    trace_file = qemu_opt_get(opts, "file");
2579
                }
2580
                break;
2581
#endif
2582
            case QEMU_OPTION_readconfig:
2583
                {
2584
                    int ret = qemu_read_config_file(optarg);
2585
                    if (ret < 0) {
2586
                        fprintf(stderr, "read config %s: %s\n", optarg,
2587
                            strerror(-ret));
2588
                        exit(1);
2589
                    }
2590
                    break;
2591
                }
2592
            case QEMU_OPTION_spice:
2593
                olist = qemu_find_opts("spice");
2594
                if (!olist) {
2595
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
2596
                    exit(1);
2597
                }
2598
                opts = qemu_opts_parse(olist, optarg, 0);
2599
                if (!opts) {
2600
                    fprintf(stderr, "parse error: %s\n", optarg);
2601
                    exit(1);
2602
                }
2603
                break;
2604
            case QEMU_OPTION_writeconfig:
2605
                {
2606
                    FILE *fp;
2607
                    if (strcmp(optarg, "-") == 0) {
2608
                        fp = stdout;
2609
                    } else {
2610
                        fp = fopen(optarg, "w");
2611
                        if (fp == NULL) {
2612
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2613
                            exit(1);
2614
                        }
2615
                    }
2616
                    qemu_config_write(fp);
2617
                    fclose(fp);
2618
                    break;
2619
                }
2620
            default:
2621
                os_parse_cmd_args(popt->index, optarg);
2622
            }
2623
        }
2624
    }
2625
    loc_set_none();
2626

    
2627
    /* If no data_dir is specified then try to find it relative to the
2628
       executable path.  */
2629
    if (!data_dir) {
2630
        data_dir = os_find_datadir(argv[0]);
2631
    }
2632
    /* If all else fails use the install patch specified when building.  */
2633
    if (!data_dir) {
2634
        data_dir = CONFIG_QEMU_DATADIR;
2635
    }
2636

    
2637
#ifdef CONFIG_SIMPLE_TRACE
2638
    /*
2639
     * Set the trace file name, if specified.
2640
     */
2641
    st_set_trace_file(trace_file);
2642
#endif
2643
    /*
2644
     * Default to max_cpus = smp_cpus, in case the user doesn't
2645
     * specify a max_cpus value.
2646
     */
2647
    if (!max_cpus)
2648
        max_cpus = smp_cpus;
2649

    
2650
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2651
    if (smp_cpus > machine->max_cpus) {
2652
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2653
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
2654
                machine->max_cpus);
2655
        exit(1);
2656
    }
2657

    
2658
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2659
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2660

    
2661
    if (machine->no_serial) {
2662
        default_serial = 0;
2663
    }
2664
    if (machine->no_parallel) {
2665
        default_parallel = 0;
2666
    }
2667
    if (!machine->use_virtcon) {
2668
        default_virtcon = 0;
2669
    }
2670
    if (machine->no_vga) {
2671
        default_vga = 0;
2672
    }
2673
    if (machine->no_floppy) {
2674
        default_floppy = 0;
2675
    }
2676
    if (machine->no_cdrom) {
2677
        default_cdrom = 0;
2678
    }
2679
    if (machine->no_sdcard) {
2680
        default_sdcard = 0;
2681
    }
2682

    
2683
    if (display_type == DT_NOGRAPHIC) {
2684
        if (default_parallel)
2685
            add_device_config(DEV_PARALLEL, "null");
2686
        if (default_serial && default_monitor) {
2687
            add_device_config(DEV_SERIAL, "mon:stdio");
2688
        } else if (default_virtcon && default_monitor) {
2689
            add_device_config(DEV_VIRTCON, "mon:stdio");
2690
        } else {
2691
            if (default_serial)
2692
                add_device_config(DEV_SERIAL, "stdio");
2693
            if (default_virtcon)
2694
                add_device_config(DEV_VIRTCON, "stdio");
2695
            if (default_monitor)
2696
                monitor_parse("stdio", "readline");
2697
        }
2698
    } else {
2699
        if (default_serial)
2700
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
2701
        if (default_parallel)
2702
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2703
        if (default_monitor)
2704
            monitor_parse("vc:80Cx24C", "readline");
2705
        if (default_virtcon)
2706
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2707
    }
2708
    if (default_vga)
2709
        vga_interface_type = VGA_CIRRUS;
2710

    
2711
    socket_init();
2712

    
2713
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2714
        exit(1);
2715
#ifdef CONFIG_VIRTFS
2716
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2717
        exit(1);
2718
    }
2719
#endif
2720

    
2721
    os_daemonize();
2722

    
2723
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2724
        os_pidfile_error();
2725
        exit(1);
2726
    }
2727

    
2728
    if (kvm_allowed) {
2729
        int ret = kvm_init(smp_cpus);
2730
        if (ret < 0) {
2731
            if (!kvm_available()) {
2732
                printf("KVM not supported for this target\n");
2733
            } else {
2734
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2735
            }
2736
            exit(1);
2737
        }
2738
    }
2739

    
2740
    if (qemu_init_main_loop()) {
2741
        fprintf(stderr, "qemu_init_main_loop failed\n");
2742
        exit(1);
2743
    }
2744
    linux_boot = (kernel_filename != NULL);
2745

    
2746
    if (!linux_boot && *kernel_cmdline != '\0') {
2747
        fprintf(stderr, "-append only allowed with -kernel option\n");
2748
        exit(1);
2749
    }
2750

    
2751
    if (!linux_boot && initrd_filename != NULL) {
2752
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
2753
        exit(1);
2754
    }
2755

    
2756
    os_set_line_buffering();
2757

    
2758
    if (init_timer_alarm() < 0) {
2759
        fprintf(stderr, "could not initialize alarm timer\n");
2760
        exit(1);
2761
    }
2762
    configure_icount(icount_option);
2763

    
2764
    if (net_init_clients() < 0) {
2765
        exit(1);
2766
    }
2767

    
2768
    /* init the bluetooth world */
2769
    if (foreach_device_config(DEV_BT, bt_parse))
2770
        exit(1);
2771

    
2772
    /* init the memory */
2773
    if (ram_size == 0)
2774
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2775

    
2776
    /* init the dynamic translator */
2777
    cpu_exec_init_all(tb_size * 1024 * 1024);
2778

    
2779
    bdrv_init_with_whitelist();
2780

    
2781
    blk_mig_init();
2782

    
2783
    if (default_cdrom) {
2784
        /* we always create the cdrom drive, even if no disk is there */
2785
        drive_add(NULL, CDROM_ALIAS);
2786
    }
2787

    
2788
    if (default_floppy) {
2789
        /* we always create at least one floppy */
2790
        drive_add(NULL, FD_ALIAS, 0);
2791
    }
2792

    
2793
    if (default_sdcard) {
2794
        /* we always create one sd slot, even if no card is in it */
2795
        drive_add(NULL, SD_ALIAS);
2796
    }
2797

    
2798
    /* open the virtual block devices */
2799
    if (snapshot)
2800
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2801
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2802
        exit(1);
2803

    
2804
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2805
                         ram_load, NULL);
2806

    
2807
    if (nb_numa_nodes > 0) {
2808
        int i;
2809

    
2810
        if (nb_numa_nodes > smp_cpus) {
2811
            nb_numa_nodes = smp_cpus;
2812
        }
2813

    
2814
        /* If no memory size if given for any node, assume the default case
2815
         * and distribute the available memory equally across all nodes
2816
         */
2817
        for (i = 0; i < nb_numa_nodes; i++) {
2818
            if (node_mem[i] != 0)
2819
                break;
2820
        }
2821
        if (i == nb_numa_nodes) {
2822
            uint64_t usedmem = 0;
2823

    
2824
            /* On Linux, the each node's border has to be 8MB aligned,
2825
             * the final node gets the rest.
2826
             */
2827
            for (i = 0; i < nb_numa_nodes - 1; i++) {
2828
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2829
                usedmem += node_mem[i];
2830
            }
2831
            node_mem[i] = ram_size - usedmem;
2832
        }
2833

    
2834
        for (i = 0; i < nb_numa_nodes; i++) {
2835
            if (node_cpumask[i] != 0)
2836
                break;
2837
        }
2838
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
2839
         * must cope with this anyway, because there are BIOSes out there in
2840
         * real machines which also use this scheme.
2841
         */
2842
        if (i == nb_numa_nodes) {
2843
            for (i = 0; i < smp_cpus; i++) {
2844
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
2845
            }
2846
        }
2847
    }
2848

    
2849
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2850
        exit(1);
2851
    }
2852

    
2853
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2854
        exit(1);
2855
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2856
        exit(1);
2857
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2858
        exit(1);
2859
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2860
        exit(1);
2861

    
2862
    module_call_init(MODULE_INIT_DEVICE);
2863

    
2864
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2865
        exit(0);
2866

    
2867
    if (watchdog) {
2868
        i = select_watchdog(watchdog);
2869
        if (i > 0)
2870
            exit (i == 1 ? 1 : 0);
2871
    }
2872

    
2873
    if (machine->compat_props) {
2874
        qdev_prop_register_global_list(machine->compat_props);
2875
    }
2876
    qemu_add_globals();
2877

    
2878
    machine->init(ram_size, boot_devices,
2879
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2880

    
2881
    cpu_synchronize_all_post_init();
2882

    
2883
    /* must be after terminal init, SDL library changes signal handlers */
2884
    os_setup_signal_handling();
2885

    
2886
    set_numa_modes();
2887

    
2888
    current_machine = machine;
2889

    
2890
    /* init USB devices */
2891
    if (usb_enabled) {
2892
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
2893
            exit(1);
2894
    }
2895

    
2896
    /* init generic devices */
2897
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
2898
        exit(1);
2899

    
2900
    net_check_clients();
2901

    
2902
    /* just use the first displaystate for the moment */
2903
    ds = get_displaystate();
2904

    
2905
    if (using_spice)
2906
        display_remote++;
2907
    if (display_type == DT_DEFAULT && !display_remote) {
2908
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2909
        display_type = DT_SDL;
2910
#else
2911
        vnc_display = "localhost:0,to=99";
2912
        show_vnc_port = 1;
2913
#endif
2914
    }
2915
        
2916

    
2917
    /* init local displays */
2918
    switch (display_type) {
2919
    case DT_NOGRAPHIC:
2920
        break;
2921
#if defined(CONFIG_CURSES)
2922
    case DT_CURSES:
2923
        curses_display_init(ds, full_screen);
2924
        break;
2925
#endif
2926
#if defined(CONFIG_SDL)
2927
    case DT_SDL:
2928
        sdl_display_init(ds, full_screen, no_frame);
2929
        break;
2930
#elif defined(CONFIG_COCOA)
2931
    case DT_SDL:
2932
        cocoa_display_init(ds, full_screen);
2933
        break;
2934
#endif
2935
    default:
2936
        break;
2937
    }
2938

    
2939
    /* init remote displays */
2940
    if (vnc_display) {
2941
        vnc_display_init(ds);
2942
        if (vnc_display_open(ds, vnc_display) < 0)
2943
            exit(1);
2944

    
2945
        if (show_vnc_port) {
2946
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2947
        }
2948
    }
2949
#ifdef CONFIG_SPICE
2950
    if (using_spice && !qxl_enabled) {
2951
        qemu_spice_display_init(ds);
2952
    }
2953
#endif
2954

    
2955
    /* display setup */
2956
    dpy_resize(ds);
2957
    dcl = ds->listeners;
2958
    while (dcl != NULL) {
2959
        if (dcl->dpy_refresh != NULL) {
2960
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2961
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2962
            break;
2963
        }
2964
        dcl = dcl->next;
2965
    }
2966
    if (ds->gui_timer == NULL) {
2967
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2968
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2969
    }
2970
    text_consoles_set_display(ds);
2971

    
2972
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2973
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2974
                gdbstub_dev);
2975
        exit(1);
2976
    }
2977

    
2978
    qdev_machine_creation_done();
2979

    
2980
    if (rom_load_all() != 0) {
2981
        fprintf(stderr, "rom loading failed\n");
2982
        exit(1);
2983
    }
2984

    
2985
    qemu_register_reset((void *)qbus_reset_all, sysbus_get_default());
2986
    qemu_system_reset();
2987
    if (loadvm) {
2988
        if (load_vmstate(loadvm) < 0) {
2989
            autostart = 0;
2990
        }
2991
    }
2992

    
2993
    if (incoming) {
2994
        int ret = qemu_start_incoming_migration(incoming);
2995
        if (ret < 0) {
2996
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2997
                    incoming, ret);
2998
            exit(ret);
2999
        }
3000
    } else if (autostart) {
3001
        vm_start();
3002
    }
3003

    
3004
    os_setup_post();
3005

    
3006
    main_loop();
3007
    quit_timers();
3008
    net_cleanup();
3009

    
3010
    return 0;
3011
}