Statistics
| Branch: | Revision:

root / vl.c @ 7bd427d8

History | View | Annotate | Download (87.8 kB)

1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <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

    
51
#ifdef CONFIG_BSD
52
#include <sys/stat.h>
53
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54
#include <libutil.h>
55
#include <sys/sysctl.h>
56
#else
57
#include <util.h>
58
#endif
59
#else
60
#ifdef __linux__
61
#include <pty.h>
62
#include <malloc.h>
63

    
64
#include <linux/ppdev.h>
65
#include <linux/parport.h>
66
#endif
67
#ifdef __sun__
68
#include <sys/stat.h>
69
#include <sys/ethernet.h>
70
#include <sys/sockio.h>
71
#include <netinet/arp.h>
72
#include <netinet/in_systm.h>
73
#include <netinet/ip.h>
74
#include <netinet/ip_icmp.h> // must come after ip.h
75
#include <netinet/udp.h>
76
#include <netinet/tcp.h>
77
#include <net/if.h>
78
#include <syslog.h>
79
#include <stropts.h>
80
#endif
81
#endif
82
#endif
83

    
84
#if defined(__OpenBSD__)
85
#include <util.h>
86
#endif
87

    
88
#if defined(CONFIG_VDE)
89
#include <libvdeplug.h>
90
#endif
91

    
92
#ifdef _WIN32
93
#include <windows.h>
94
#endif
95

    
96
#ifdef CONFIG_SDL
97
#if defined(__APPLE__) || defined(main)
98
#include <SDL.h>
99
int qemu_main(int argc, char **argv, char **envp);
100
int main(int argc, char **argv)
101
{
102
    return qemu_main(argc, argv, NULL);
103
}
104
#undef main
105
#define main qemu_main
106
#endif
107
#endif /* CONFIG_SDL */
108

    
109
#ifdef CONFIG_COCOA
110
#undef main
111
#define main qemu_main
112
#endif /* CONFIG_COCOA */
113

    
114
#include "hw/hw.h"
115
#include "hw/boards.h"
116
#include "hw/usb.h"
117
#include "hw/pcmcia.h"
118
#include "hw/pc.h"
119
#include "hw/isa.h"
120
#include "hw/baum.h"
121
#include "hw/bt.h"
122
#include "hw/watchdog.h"
123
#include "hw/smbios.h"
124
#include "hw/xen.h"
125
#include "hw/qdev.h"
126
#include "hw/loader.h"
127
#include "bt-host.h"
128
#include "net.h"
129
#include "net/slirp.h"
130
#include "monitor.h"
131
#include "console.h"
132
#include "sysemu.h"
133
#include "gdbstub.h"
134
#include "qemu-timer.h"
135
#include "qemu-char.h"
136
#include "cache-utils.h"
137
#include "block.h"
138
#include "blockdev.h"
139
#include "block-migration.h"
140
#include "dma.h"
141
#include "audio/audio.h"
142
#include "migration.h"
143
#include "kvm.h"
144
#include "qemu-option.h"
145
#include "qemu-config.h"
146
#include "qemu-objects.h"
147
#include "qemu-options.h"
148
#ifdef CONFIG_VIRTFS
149
#include "fsdev/qemu-fsdev.h"
150
#endif
151

    
152
#include "disas.h"
153

    
154
#include "qemu_socket.h"
155

    
156
#include "slirp/libslirp.h"
157

    
158
#include "trace.h"
159
#include "simpletrace.h"
160
#include "qemu-queue.h"
161
#include "cpus.h"
162
#include "arch_init.h"
163

    
164
#include "ui/qemu-spice.h"
165

    
166
//#define DEBUG_NET
167
//#define DEBUG_SLIRP
168

    
169
#define DEFAULT_RAM_SIZE 128
170

    
171
#define MAX_VIRTIO_CONSOLES 1
172

    
173
static const char *data_dir;
174
const char *bios_name = NULL;
175
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176
DisplayType display_type = DT_DEFAULT;
177
int display_remote = 0;
178
const char* keyboard_layout = NULL;
179
ram_addr_t ram_size;
180
const char *mem_path = NULL;
181
#ifdef MAP_POPULATE
182
int mem_prealloc = 0; /* force preallocation of physical target memory */
183
#endif
184
int nb_nics;
185
NICInfo nd_table[MAX_NICS];
186
int vm_running;
187
int autostart;
188
int incoming_expected; /* Started with -incoming and waiting for incoming */
189
static int rtc_utc = 1;
190
static int rtc_date_offset = -1; /* -1 means no change */
191
QEMUClock *rtc_clock;
192
int vga_interface_type = VGA_NONE;
193
static int full_screen = 0;
194
#ifdef CONFIG_SDL
195
static int no_frame = 0;
196
#endif
197
int no_quit = 0;
198
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201
int win2k_install_hack = 0;
202
int rtc_td_hack = 0;
203
int usb_enabled = 0;
204
int singlestep = 0;
205
int smp_cpus = 1;
206
int max_cpus = 0;
207
int smp_cores = 1;
208
int smp_threads = 1;
209
const char *vnc_display;
210
int acpi_enabled = 1;
211
int no_hpet = 0;
212
int fd_bootchk = 1;
213
int no_reboot = 0;
214
int no_shutdown = 0;
215
int cursor_hide = 1;
216
int graphic_rotate = 0;
217
uint8_t irq0override = 1;
218
const char *watchdog;
219
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
220
int nb_option_roms;
221
int semihosting_enabled = 0;
222
int old_param = 0;
223
const char *qemu_name;
224
int alt_grab = 0;
225
int ctrl_grab = 0;
226
unsigned int nb_prom_envs = 0;
227
const char *prom_envs[MAX_PROM_ENVS];
228
int boot_menu;
229

    
230
typedef struct FWBootEntry FWBootEntry;
231

    
232
struct FWBootEntry {
233
    QTAILQ_ENTRY(FWBootEntry) link;
234
    int32_t bootindex;
235
    DeviceState *dev;
236
    char *suffix;
237
};
238

    
239
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
240

    
241
int nb_numa_nodes;
242
uint64_t node_mem[MAX_NODES];
243
uint64_t node_cpumask[MAX_NODES];
244

    
245
static QEMUTimer *nographic_timer;
246

    
247
uint8_t qemu_uuid[16];
248

    
249
static QEMUBootSetHandler *boot_set_handler;
250
static void *boot_set_opaque;
251

    
252
static NotifierList exit_notifiers =
253
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
254

    
255
static NotifierList machine_init_done_notifiers =
256
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
257

    
258
int kvm_allowed = 0;
259
uint32_t xen_domid;
260
enum xen_mode xen_mode = XEN_EMULATE;
261

    
262
static int default_serial = 1;
263
static int default_parallel = 1;
264
static int default_virtcon = 1;
265
static int default_monitor = 1;
266
static int default_vga = 1;
267
static int default_floppy = 1;
268
static int default_cdrom = 1;
269
static int default_sdcard = 1;
270

    
271
static struct {
272
    const char *driver;
273
    int *flag;
274
} default_list[] = {
275
    { .driver = "isa-serial",           .flag = &default_serial    },
276
    { .driver = "isa-parallel",         .flag = &default_parallel  },
277
    { .driver = "isa-fdc",              .flag = &default_floppy    },
278
    { .driver = "ide-drive",            .flag = &default_cdrom     },
279
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
280
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
281
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
282
    { .driver = "VGA",                  .flag = &default_vga       },
283
    { .driver = "cirrus-vga",           .flag = &default_vga       },
284
    { .driver = "vmware-svga",          .flag = &default_vga       },
285
};
286

    
287
static int default_driver_check(QemuOpts *opts, void *opaque)
288
{
289
    const char *driver = qemu_opt_get(opts, "driver");
290
    int i;
291

    
292
    if (!driver)
293
        return 0;
294
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
295
        if (strcmp(default_list[i].driver, driver) != 0)
296
            continue;
297
        *(default_list[i].flag) = 0;
298
    }
299
    return 0;
300
}
301

    
302
/***********************************************************/
303
/* real time host monotonic timer */
304

    
305
/***********************************************************/
306
/* host time/date access */
307
void qemu_get_timedate(struct tm *tm, int offset)
308
{
309
    time_t ti;
310
    struct tm *ret;
311

    
312
    time(&ti);
313
    ti += offset;
314
    if (rtc_date_offset == -1) {
315
        if (rtc_utc)
316
            ret = gmtime(&ti);
317
        else
318
            ret = localtime(&ti);
319
    } else {
320
        ti -= rtc_date_offset;
321
        ret = gmtime(&ti);
322
    }
323

    
324
    memcpy(tm, ret, sizeof(struct tm));
325
}
326

    
327
int qemu_timedate_diff(struct tm *tm)
328
{
329
    time_t seconds;
330

    
331
    if (rtc_date_offset == -1)
332
        if (rtc_utc)
333
            seconds = mktimegm(tm);
334
        else
335
            seconds = mktime(tm);
336
    else
337
        seconds = mktimegm(tm) + rtc_date_offset;
338

    
339
    return seconds - time(NULL);
340
}
341

    
342
void rtc_change_mon_event(struct tm *tm)
343
{
344
    QObject *data;
345

    
346
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
347
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
348
    qobject_decref(data);
349
}
350

    
351
static void configure_rtc_date_offset(const char *startdate, int legacy)
352
{
353
    time_t rtc_start_date;
354
    struct tm tm;
355

    
356
    if (!strcmp(startdate, "now") && legacy) {
357
        rtc_date_offset = -1;
358
    } else {
359
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
360
                   &tm.tm_year,
361
                   &tm.tm_mon,
362
                   &tm.tm_mday,
363
                   &tm.tm_hour,
364
                   &tm.tm_min,
365
                   &tm.tm_sec) == 6) {
366
            /* OK */
367
        } else if (sscanf(startdate, "%d-%d-%d",
368
                          &tm.tm_year,
369
                          &tm.tm_mon,
370
                          &tm.tm_mday) == 3) {
371
            tm.tm_hour = 0;
372
            tm.tm_min = 0;
373
            tm.tm_sec = 0;
374
        } else {
375
            goto date_fail;
376
        }
377
        tm.tm_year -= 1900;
378
        tm.tm_mon--;
379
        rtc_start_date = mktimegm(&tm);
380
        if (rtc_start_date == -1) {
381
        date_fail:
382
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
383
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
384
            exit(1);
385
        }
386
        rtc_date_offset = time(NULL) - rtc_start_date;
387
    }
388
}
389

    
390
static void configure_rtc(QemuOpts *opts)
391
{
392
    const char *value;
393

    
394
    value = qemu_opt_get(opts, "base");
395
    if (value) {
396
        if (!strcmp(value, "utc")) {
397
            rtc_utc = 1;
398
        } else if (!strcmp(value, "localtime")) {
399
            rtc_utc = 0;
400
        } else {
401
            configure_rtc_date_offset(value, 0);
402
        }
403
    }
404
    value = qemu_opt_get(opts, "clock");
405
    if (value) {
406
        if (!strcmp(value, "host")) {
407
            rtc_clock = host_clock;
408
        } else if (!strcmp(value, "vm")) {
409
            rtc_clock = vm_clock;
410
        } else {
411
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
412
            exit(1);
413
        }
414
    }
415
    value = qemu_opt_get(opts, "driftfix");
416
    if (value) {
417
        if (!strcmp(value, "slew")) {
418
            rtc_td_hack = 1;
419
        } else if (!strcmp(value, "none")) {
420
            rtc_td_hack = 0;
421
        } else {
422
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
423
            exit(1);
424
        }
425
    }
426
}
427

    
428
/***********************************************************/
429
/* Bluetooth support */
430
static int nb_hcis;
431
static int cur_hci;
432
static struct HCIInfo *hci_table[MAX_NICS];
433

    
434
static struct bt_vlan_s {
435
    struct bt_scatternet_s net;
436
    int id;
437
    struct bt_vlan_s *next;
438
} *first_bt_vlan;
439

    
440
/* find or alloc a new bluetooth "VLAN" */
441
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
442
{
443
    struct bt_vlan_s **pvlan, *vlan;
444
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
445
        if (vlan->id == id)
446
            return &vlan->net;
447
    }
448
    vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
449
    vlan->id = id;
450
    pvlan = &first_bt_vlan;
451
    while (*pvlan != NULL)
452
        pvlan = &(*pvlan)->next;
453
    *pvlan = vlan;
454
    return &vlan->net;
455
}
456

    
457
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
458
{
459
}
460

    
461
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
462
{
463
    return -ENOTSUP;
464
}
465

    
466
static struct HCIInfo null_hci = {
467
    .cmd_send = null_hci_send,
468
    .sco_send = null_hci_send,
469
    .acl_send = null_hci_send,
470
    .bdaddr_set = null_hci_addr_set,
471
};
472

    
473
struct HCIInfo *qemu_next_hci(void)
474
{
475
    if (cur_hci == nb_hcis)
476
        return &null_hci;
477

    
478
    return hci_table[cur_hci++];
479
}
480

    
481
static struct HCIInfo *hci_init(const char *str)
482
{
483
    char *endp;
484
    struct bt_scatternet_s *vlan = 0;
485

    
486
    if (!strcmp(str, "null"))
487
        /* null */
488
        return &null_hci;
489
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
490
        /* host[:hciN] */
491
        return bt_host_hci(str[4] ? str + 5 : "hci0");
492
    else if (!strncmp(str, "hci", 3)) {
493
        /* hci[,vlan=n] */
494
        if (str[3]) {
495
            if (!strncmp(str + 3, ",vlan=", 6)) {
496
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
497
                if (*endp)
498
                    vlan = 0;
499
            }
500
        } else
501
            vlan = qemu_find_bt_vlan(0);
502
        if (vlan)
503
           return bt_new_hci(vlan);
504
    }
505

    
506
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
507

    
508
    return 0;
509
}
510

    
511
static int bt_hci_parse(const char *str)
512
{
513
    struct HCIInfo *hci;
514
    bdaddr_t bdaddr;
515

    
516
    if (nb_hcis >= MAX_NICS) {
517
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
518
        return -1;
519
    }
520

    
521
    hci = hci_init(str);
522
    if (!hci)
523
        return -1;
524

    
525
    bdaddr.b[0] = 0x52;
526
    bdaddr.b[1] = 0x54;
527
    bdaddr.b[2] = 0x00;
528
    bdaddr.b[3] = 0x12;
529
    bdaddr.b[4] = 0x34;
530
    bdaddr.b[5] = 0x56 + nb_hcis;
531
    hci->bdaddr_set(hci, bdaddr.b);
532

    
533
    hci_table[nb_hcis++] = hci;
534

    
535
    return 0;
536
}
537

    
538
static void bt_vhci_add(int vlan_id)
539
{
540
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
541

    
542
    if (!vlan->slave)
543
        fprintf(stderr, "qemu: warning: adding a VHCI to "
544
                        "an empty scatternet %i\n", vlan_id);
545

    
546
    bt_vhci_init(bt_new_hci(vlan));
547
}
548

    
549
static struct bt_device_s *bt_device_add(const char *opt)
550
{
551
    struct bt_scatternet_s *vlan;
552
    int vlan_id = 0;
553
    char *endp = strstr(opt, ",vlan=");
554
    int len = (endp ? endp - opt : strlen(opt)) + 1;
555
    char devname[10];
556

    
557
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
558

    
559
    if (endp) {
560
        vlan_id = strtol(endp + 6, &endp, 0);
561
        if (*endp) {
562
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
563
            return 0;
564
        }
565
    }
566

    
567
    vlan = qemu_find_bt_vlan(vlan_id);
568

    
569
    if (!vlan->slave)
570
        fprintf(stderr, "qemu: warning: adding a slave device to "
571
                        "an empty scatternet %i\n", vlan_id);
572

    
573
    if (!strcmp(devname, "keyboard"))
574
        return bt_keyboard_init(vlan);
575

    
576
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
577
    return 0;
578
}
579

    
580
static int bt_parse(const char *opt)
581
{
582
    const char *endp, *p;
583
    int vlan;
584

    
585
    if (strstart(opt, "hci", &endp)) {
586
        if (!*endp || *endp == ',') {
587
            if (*endp)
588
                if (!strstart(endp, ",vlan=", 0))
589
                    opt = endp + 1;
590

    
591
            return bt_hci_parse(opt);
592
       }
593
    } else if (strstart(opt, "vhci", &endp)) {
594
        if (!*endp || *endp == ',') {
595
            if (*endp) {
596
                if (strstart(endp, ",vlan=", &p)) {
597
                    vlan = strtol(p, (char **) &endp, 0);
598
                    if (*endp) {
599
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
600
                        return 1;
601
                    }
602
                } else {
603
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
604
                    return 1;
605
                }
606
            } else
607
                vlan = 0;
608

    
609
            bt_vhci_add(vlan);
610
            return 0;
611
        }
612
    } else if (strstart(opt, "device:", &endp))
613
        return !bt_device_add(endp);
614

    
615
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
616
    return 1;
617
}
618

    
619
/***********************************************************/
620
/* QEMU Block devices */
621

    
622
#define HD_OPTS "media=disk"
623
#define CDROM_OPTS "media=cdrom"
624
#define FD_OPTS ""
625
#define PFLASH_OPTS ""
626
#define MTD_OPTS ""
627
#define SD_OPTS ""
628

    
629
static int drive_init_func(QemuOpts *opts, void *opaque)
630
{
631
    int *use_scsi = opaque;
632

    
633
    return drive_init(opts, *use_scsi) == NULL;
634
}
635

    
636
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
637
{
638
    if (NULL == qemu_opt_get(opts, "snapshot")) {
639
        qemu_opt_set(opts, "snapshot", "on");
640
    }
641
    return 0;
642
}
643

    
644
static void default_drive(int enable, int snapshot, int use_scsi,
645
                          BlockInterfaceType type, int index,
646
                          const char *optstr)
647
{
648
    QemuOpts *opts;
649

    
650
    if (type == IF_DEFAULT) {
651
        type = use_scsi ? IF_SCSI : IF_IDE;
652
    }
653

    
654
    if (!enable || drive_get_by_index(type, index)) {
655
        return;
656
    }
657

    
658
    opts = drive_add(type, index, NULL, optstr);
659
    if (snapshot) {
660
        drive_enable_snapshot(opts, NULL);
661
    }
662
    if (!drive_init(opts, use_scsi)) {
663
        exit(1);
664
    }
665
}
666

    
667
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
668
{
669
    boot_set_handler = func;
670
    boot_set_opaque = opaque;
671
}
672

    
673
int qemu_boot_set(const char *boot_devices)
674
{
675
    if (!boot_set_handler) {
676
        return -EINVAL;
677
    }
678
    return boot_set_handler(boot_set_opaque, boot_devices);
679
}
680

    
681
static void validate_bootdevices(char *devices)
682
{
683
    /* We just do some generic consistency checks */
684
    const char *p;
685
    int bitmap = 0;
686

    
687
    for (p = devices; *p != '\0'; p++) {
688
        /* Allowed boot devices are:
689
         * a-b: floppy disk drives
690
         * c-f: IDE disk drives
691
         * g-m: machine implementation dependant drives
692
         * n-p: network devices
693
         * It's up to each machine implementation to check if the given boot
694
         * devices match the actual hardware implementation and firmware
695
         * features.
696
         */
697
        if (*p < 'a' || *p > 'p') {
698
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
699
            exit(1);
700
        }
701
        if (bitmap & (1 << (*p - 'a'))) {
702
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
703
            exit(1);
704
        }
705
        bitmap |= 1 << (*p - 'a');
706
    }
707
}
708

    
709
static void restore_boot_devices(void *opaque)
710
{
711
    char *standard_boot_devices = opaque;
712
    static int first = 1;
713

    
714
    /* Restore boot order and remove ourselves after the first boot */
715
    if (first) {
716
        first = 0;
717
        return;
718
    }
719

    
720
    qemu_boot_set(standard_boot_devices);
721

    
722
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
723
    qemu_free(standard_boot_devices);
724
}
725

    
726
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
727
                          const char *suffix)
728
{
729
    FWBootEntry *node, *i;
730

    
731
    if (bootindex < 0) {
732
        return;
733
    }
734

    
735
    assert(dev != NULL || suffix != NULL);
736

    
737
    node = qemu_mallocz(sizeof(FWBootEntry));
738
    node->bootindex = bootindex;
739
    node->suffix = suffix ? qemu_strdup(suffix) : NULL;
740
    node->dev = dev;
741

    
742
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
743
        if (i->bootindex == bootindex) {
744
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
745
            exit(1);
746
        } else if (i->bootindex < bootindex) {
747
            continue;
748
        }
749
        QTAILQ_INSERT_BEFORE(i, node, link);
750
        return;
751
    }
752
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
753
}
754

    
755
/*
756
 * This function returns null terminated string that consist of new line
757
 * separated device pathes.
758
 *
759
 * memory pointed by "size" is assigned total length of the array in bytes
760
 *
761
 */
762
char *get_boot_devices_list(uint32_t *size)
763
{
764
    FWBootEntry *i;
765
    uint32_t total = 0;
766
    char *list = NULL;
767

    
768
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
769
        char *devpath = NULL, *bootpath;
770
        int len;
771

    
772
        if (i->dev) {
773
            devpath = qdev_get_fw_dev_path(i->dev);
774
            assert(devpath);
775
        }
776

    
777
        if (i->suffix && devpath) {
778
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
779

    
780
            bootpath = qemu_malloc(bootpathlen);
781
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
782
            qemu_free(devpath);
783
        } else if (devpath) {
784
            bootpath = devpath;
785
        } else {
786
            bootpath = qemu_strdup(i->suffix);
787
            assert(bootpath);
788
        }
789

    
790
        if (total) {
791
            list[total-1] = '\n';
792
        }
793
        len = strlen(bootpath) + 1;
794
        list = qemu_realloc(list, total + len);
795
        memcpy(&list[total], bootpath, len);
796
        total += len;
797
        qemu_free(bootpath);
798
    }
799

    
800
    *size = total;
801

    
802
    return list;
803
}
804

    
805
static void numa_add(const char *optarg)
806
{
807
    char option[128];
808
    char *endptr;
809
    unsigned long long value, endvalue;
810
    int nodenr;
811

    
812
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
813
    if (!strcmp(option, "node")) {
814
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
815
            nodenr = nb_numa_nodes;
816
        } else {
817
            nodenr = strtoull(option, NULL, 10);
818
        }
819

    
820
        if (get_param_value(option, 128, "mem", optarg) == 0) {
821
            node_mem[nodenr] = 0;
822
        } else {
823
            int64_t sval;
824
            sval = strtosz(option, NULL);
825
            if (sval < 0) {
826
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
827
                exit(1);
828
            }
829
            node_mem[nodenr] = sval;
830
        }
831
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
832
            node_cpumask[nodenr] = 0;
833
        } else {
834
            value = strtoull(option, &endptr, 10);
835
            if (value >= 64) {
836
                value = 63;
837
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
838
            } else {
839
                if (*endptr == '-') {
840
                    endvalue = strtoull(endptr+1, &endptr, 10);
841
                    if (endvalue >= 63) {
842
                        endvalue = 62;
843
                        fprintf(stderr,
844
                            "only 63 CPUs in NUMA mode supported.\n");
845
                    }
846
                    value = (2ULL << endvalue) - (1ULL << value);
847
                } else {
848
                    value = 1ULL << value;
849
                }
850
            }
851
            node_cpumask[nodenr] = value;
852
        }
853
        nb_numa_nodes++;
854
    }
855
    return;
856
}
857

    
858
static void smp_parse(const char *optarg)
859
{
860
    int smp, sockets = 0, threads = 0, cores = 0;
861
    char *endptr;
862
    char option[128];
863

    
864
    smp = strtoul(optarg, &endptr, 10);
865
    if (endptr != optarg) {
866
        if (*endptr == ',') {
867
            endptr++;
868
        }
869
    }
870
    if (get_param_value(option, 128, "sockets", endptr) != 0)
871
        sockets = strtoull(option, NULL, 10);
872
    if (get_param_value(option, 128, "cores", endptr) != 0)
873
        cores = strtoull(option, NULL, 10);
874
    if (get_param_value(option, 128, "threads", endptr) != 0)
875
        threads = strtoull(option, NULL, 10);
876
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
877
        max_cpus = strtoull(option, NULL, 10);
878

    
879
    /* compute missing values, prefer sockets over cores over threads */
880
    if (smp == 0 || sockets == 0) {
881
        sockets = sockets > 0 ? sockets : 1;
882
        cores = cores > 0 ? cores : 1;
883
        threads = threads > 0 ? threads : 1;
884
        if (smp == 0) {
885
            smp = cores * threads * sockets;
886
        }
887
    } else {
888
        if (cores == 0) {
889
            threads = threads > 0 ? threads : 1;
890
            cores = smp / (sockets * threads);
891
        } else {
892
            threads = smp / (cores * sockets);
893
        }
894
    }
895
    smp_cpus = smp;
896
    smp_cores = cores > 0 ? cores : 1;
897
    smp_threads = threads > 0 ? threads : 1;
898
    if (max_cpus == 0)
899
        max_cpus = smp_cpus;
900
}
901

    
902
/***********************************************************/
903
/* USB devices */
904

    
905
static int usb_device_add(const char *devname)
906
{
907
    const char *p;
908
    USBDevice *dev = NULL;
909

    
910
    if (!usb_enabled)
911
        return -1;
912

    
913
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
914
    dev = usbdevice_create(devname);
915
    if (dev)
916
        goto done;
917

    
918
    /* the other ones */
919
    if (strstart(devname, "host:", &p)) {
920
        dev = usb_host_device_open(p);
921
    } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
922
        dev = usb_bt_init(devname[2] ? hci_init(p) :
923
                        bt_new_hci(qemu_find_bt_vlan(0)));
924
    } else {
925
        return -1;
926
    }
927
    if (!dev)
928
        return -1;
929

    
930
done:
931
    return 0;
932
}
933

    
934
static int usb_device_del(const char *devname)
935
{
936
    int bus_num, addr;
937
    const char *p;
938

    
939
    if (strstart(devname, "host:", &p))
940
        return usb_host_device_close(p);
941

    
942
    if (!usb_enabled)
943
        return -1;
944

    
945
    p = strchr(devname, '.');
946
    if (!p)
947
        return -1;
948
    bus_num = strtoul(devname, NULL, 0);
949
    addr = strtoul(p + 1, NULL, 0);
950

    
951
    return usb_device_delete_addr(bus_num, addr);
952
}
953

    
954
static int usb_parse(const char *cmdline)
955
{
956
    int r;
957
    r = usb_device_add(cmdline);
958
    if (r < 0) {
959
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
960
    }
961
    return r;
962
}
963

    
964
void do_usb_add(Monitor *mon, const QDict *qdict)
965
{
966
    const char *devname = qdict_get_str(qdict, "devname");
967
    if (usb_device_add(devname) < 0) {
968
        error_report("could not add USB device '%s'", devname);
969
    }
970
}
971

    
972
void do_usb_del(Monitor *mon, const QDict *qdict)
973
{
974
    const char *devname = qdict_get_str(qdict, "devname");
975
    if (usb_device_del(devname) < 0) {
976
        error_report("could not delete USB device '%s'", devname);
977
    }
978
}
979

    
980
/***********************************************************/
981
/* PCMCIA/Cardbus */
982

    
983
static struct pcmcia_socket_entry_s {
984
    PCMCIASocket *socket;
985
    struct pcmcia_socket_entry_s *next;
986
} *pcmcia_sockets = 0;
987

    
988
void pcmcia_socket_register(PCMCIASocket *socket)
989
{
990
    struct pcmcia_socket_entry_s *entry;
991

    
992
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
993
    entry->socket = socket;
994
    entry->next = pcmcia_sockets;
995
    pcmcia_sockets = entry;
996
}
997

    
998
void pcmcia_socket_unregister(PCMCIASocket *socket)
999
{
1000
    struct pcmcia_socket_entry_s *entry, **ptr;
1001

    
1002
    ptr = &pcmcia_sockets;
1003
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1004
        if (entry->socket == socket) {
1005
            *ptr = entry->next;
1006
            qemu_free(entry);
1007
        }
1008
}
1009

    
1010
void pcmcia_info(Monitor *mon)
1011
{
1012
    struct pcmcia_socket_entry_s *iter;
1013

    
1014
    if (!pcmcia_sockets)
1015
        monitor_printf(mon, "No PCMCIA sockets\n");
1016

    
1017
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1018
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1019
                       iter->socket->attached ? iter->socket->card_string :
1020
                       "Empty");
1021
}
1022

    
1023
/***********************************************************/
1024
/* I/O handling */
1025

    
1026
typedef struct IOHandlerRecord {
1027
    int fd;
1028
    IOCanReadHandler *fd_read_poll;
1029
    IOHandler *fd_read;
1030
    IOHandler *fd_write;
1031
    int deleted;
1032
    void *opaque;
1033
    /* temporary data */
1034
    struct pollfd *ufd;
1035
    QLIST_ENTRY(IOHandlerRecord) next;
1036
} IOHandlerRecord;
1037

    
1038
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1039
    QLIST_HEAD_INITIALIZER(io_handlers);
1040

    
1041

    
1042
/* XXX: fd_read_poll should be suppressed, but an API change is
1043
   necessary in the character devices to suppress fd_can_read(). */
1044
int qemu_set_fd_handler2(int fd,
1045
                         IOCanReadHandler *fd_read_poll,
1046
                         IOHandler *fd_read,
1047
                         IOHandler *fd_write,
1048
                         void *opaque)
1049
{
1050
    IOHandlerRecord *ioh;
1051

    
1052
    if (!fd_read && !fd_write) {
1053
        QLIST_FOREACH(ioh, &io_handlers, next) {
1054
            if (ioh->fd == fd) {
1055
                ioh->deleted = 1;
1056
                break;
1057
            }
1058
        }
1059
    } else {
1060
        QLIST_FOREACH(ioh, &io_handlers, next) {
1061
            if (ioh->fd == fd)
1062
                goto found;
1063
        }
1064
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1065
        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1066
    found:
1067
        ioh->fd = fd;
1068
        ioh->fd_read_poll = fd_read_poll;
1069
        ioh->fd_read = fd_read;
1070
        ioh->fd_write = fd_write;
1071
        ioh->opaque = opaque;
1072
        ioh->deleted = 0;
1073
    }
1074
    return 0;
1075
}
1076

    
1077
int qemu_set_fd_handler(int fd,
1078
                        IOHandler *fd_read,
1079
                        IOHandler *fd_write,
1080
                        void *opaque)
1081
{
1082
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1083
}
1084

    
1085
/***********************************************************/
1086
/* machine registration */
1087

    
1088
static QEMUMachine *first_machine = NULL;
1089
QEMUMachine *current_machine = NULL;
1090

    
1091
int qemu_register_machine(QEMUMachine *m)
1092
{
1093
    QEMUMachine **pm;
1094
    pm = &first_machine;
1095
    while (*pm != NULL)
1096
        pm = &(*pm)->next;
1097
    m->next = NULL;
1098
    *pm = m;
1099
    return 0;
1100
}
1101

    
1102
static QEMUMachine *find_machine(const char *name)
1103
{
1104
    QEMUMachine *m;
1105

    
1106
    for(m = first_machine; m != NULL; m = m->next) {
1107
        if (!strcmp(m->name, name))
1108
            return m;
1109
        if (m->alias && !strcmp(m->alias, name))
1110
            return m;
1111
    }
1112
    return NULL;
1113
}
1114

    
1115
static QEMUMachine *find_default_machine(void)
1116
{
1117
    QEMUMachine *m;
1118

    
1119
    for(m = first_machine; m != NULL; m = m->next) {
1120
        if (m->is_default) {
1121
            return m;
1122
        }
1123
    }
1124
    return NULL;
1125
}
1126

    
1127
/***********************************************************/
1128
/* main execution loop */
1129

    
1130
static void gui_update(void *opaque)
1131
{
1132
    uint64_t interval = GUI_REFRESH_INTERVAL;
1133
    DisplayState *ds = opaque;
1134
    DisplayChangeListener *dcl = ds->listeners;
1135

    
1136
    qemu_flush_coalesced_mmio_buffer();
1137
    dpy_refresh(ds);
1138

    
1139
    while (dcl != NULL) {
1140
        if (dcl->gui_timer_interval &&
1141
            dcl->gui_timer_interval < interval)
1142
            interval = dcl->gui_timer_interval;
1143
        dcl = dcl->next;
1144
    }
1145
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1146
}
1147

    
1148
static void nographic_update(void *opaque)
1149
{
1150
    uint64_t interval = GUI_REFRESH_INTERVAL;
1151

    
1152
    qemu_flush_coalesced_mmio_buffer();
1153
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1154
}
1155

    
1156
struct vm_change_state_entry {
1157
    VMChangeStateHandler *cb;
1158
    void *opaque;
1159
    QLIST_ENTRY (vm_change_state_entry) entries;
1160
};
1161

    
1162
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1163

    
1164
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1165
                                                     void *opaque)
1166
{
1167
    VMChangeStateEntry *e;
1168

    
1169
    e = qemu_mallocz(sizeof (*e));
1170

    
1171
    e->cb = cb;
1172
    e->opaque = opaque;
1173
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1174
    return e;
1175
}
1176

    
1177
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1178
{
1179
    QLIST_REMOVE (e, entries);
1180
    qemu_free (e);
1181
}
1182

    
1183
void vm_state_notify(int running, int reason)
1184
{
1185
    VMChangeStateEntry *e;
1186

    
1187
    trace_vm_state_notify(running, reason);
1188

    
1189
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1190
        e->cb(e->opaque, running, reason);
1191
    }
1192
}
1193

    
1194
void vm_start(void)
1195
{
1196
    if (!vm_running) {
1197
        cpu_enable_ticks();
1198
        vm_running = 1;
1199
        vm_state_notify(1, 0);
1200
        resume_all_vcpus();
1201
        monitor_protocol_event(QEVENT_RESUME, NULL);
1202
    }
1203
}
1204

    
1205
/* reset/shutdown handler */
1206

    
1207
typedef struct QEMUResetEntry {
1208
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1209
    QEMUResetHandler *func;
1210
    void *opaque;
1211
} QEMUResetEntry;
1212

    
1213
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1214
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1215
static int reset_requested;
1216
static int shutdown_requested;
1217
static int powerdown_requested;
1218
static int debug_requested;
1219
static int vmstop_requested;
1220

    
1221
int qemu_shutdown_requested(void)
1222
{
1223
    int r = shutdown_requested;
1224
    shutdown_requested = 0;
1225
    return r;
1226
}
1227

    
1228
int qemu_reset_requested(void)
1229
{
1230
    int r = reset_requested;
1231
    reset_requested = 0;
1232
    return r;
1233
}
1234

    
1235
int qemu_powerdown_requested(void)
1236
{
1237
    int r = powerdown_requested;
1238
    powerdown_requested = 0;
1239
    return r;
1240
}
1241

    
1242
static int qemu_debug_requested(void)
1243
{
1244
    int r = debug_requested;
1245
    debug_requested = 0;
1246
    return r;
1247
}
1248

    
1249
static int qemu_vmstop_requested(void)
1250
{
1251
    int r = vmstop_requested;
1252
    vmstop_requested = 0;
1253
    return r;
1254
}
1255

    
1256
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1257
{
1258
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1259

    
1260
    re->func = func;
1261
    re->opaque = opaque;
1262
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1263
}
1264

    
1265
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1266
{
1267
    QEMUResetEntry *re;
1268

    
1269
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1270
        if (re->func == func && re->opaque == opaque) {
1271
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1272
            qemu_free(re);
1273
            return;
1274
        }
1275
    }
1276
}
1277

    
1278
void qemu_system_reset(void)
1279
{
1280
    QEMUResetEntry *re, *nre;
1281

    
1282
    /* reset all devices */
1283
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1284
        re->func(re->opaque);
1285
    }
1286
    monitor_protocol_event(QEVENT_RESET, NULL);
1287
    cpu_synchronize_all_post_reset();
1288
}
1289

    
1290
void qemu_system_reset_request(void)
1291
{
1292
    if (no_reboot) {
1293
        shutdown_requested = 1;
1294
    } else {
1295
        reset_requested = 1;
1296
    }
1297
    cpu_stop_current();
1298
    qemu_notify_event();
1299
}
1300

    
1301
void qemu_system_shutdown_request(void)
1302
{
1303
    shutdown_requested = 1;
1304
    qemu_notify_event();
1305
}
1306

    
1307
void qemu_system_powerdown_request(void)
1308
{
1309
    powerdown_requested = 1;
1310
    qemu_notify_event();
1311
}
1312

    
1313
void qemu_system_debug_request(void)
1314
{
1315
    debug_requested = 1;
1316
    qemu_notify_event();
1317
}
1318

    
1319
void qemu_system_vmstop_request(int reason)
1320
{
1321
    vmstop_requested = reason;
1322
    qemu_notify_event();
1323
}
1324

    
1325
void main_loop_wait(int nonblocking)
1326
{
1327
    IOHandlerRecord *ioh;
1328
    fd_set rfds, wfds, xfds;
1329
    int ret, nfds;
1330
    struct timeval tv;
1331
    int timeout;
1332

    
1333
    if (nonblocking)
1334
        timeout = 0;
1335
    else {
1336
        timeout = qemu_calculate_timeout();
1337
        qemu_bh_update_timeout(&timeout);
1338
    }
1339

    
1340
    os_host_main_loop_wait(&timeout);
1341

    
1342
    /* poll any events */
1343
    /* XXX: separate device handlers from system ones */
1344
    nfds = -1;
1345
    FD_ZERO(&rfds);
1346
    FD_ZERO(&wfds);
1347
    FD_ZERO(&xfds);
1348
    QLIST_FOREACH(ioh, &io_handlers, next) {
1349
        if (ioh->deleted)
1350
            continue;
1351
        if (ioh->fd_read &&
1352
            (!ioh->fd_read_poll ||
1353
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1354
            FD_SET(ioh->fd, &rfds);
1355
            if (ioh->fd > nfds)
1356
                nfds = ioh->fd;
1357
        }
1358
        if (ioh->fd_write) {
1359
            FD_SET(ioh->fd, &wfds);
1360
            if (ioh->fd > nfds)
1361
                nfds = ioh->fd;
1362
        }
1363
    }
1364

    
1365
    tv.tv_sec = timeout / 1000;
1366
    tv.tv_usec = (timeout % 1000) * 1000;
1367

    
1368
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1369

    
1370
    qemu_mutex_unlock_iothread();
1371
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1372
    qemu_mutex_lock_iothread();
1373
    if (ret > 0) {
1374
        IOHandlerRecord *pioh;
1375

    
1376
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1377
            if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1378
                ioh->fd_read(ioh->opaque);
1379
            }
1380
            if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1381
                ioh->fd_write(ioh->opaque);
1382
            }
1383

    
1384
            /* Do this last in case read/write handlers marked it for deletion */
1385
            if (ioh->deleted) {
1386
                QLIST_REMOVE(ioh, next);
1387
                qemu_free(ioh);
1388
            }
1389
        }
1390
    }
1391

    
1392
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1393

    
1394
    qemu_run_all_timers();
1395

    
1396
    /* Check bottom-halves last in case any of the earlier events triggered
1397
       them.  */
1398
    qemu_bh_poll();
1399

    
1400
}
1401

    
1402
#ifndef CONFIG_IOTHREAD
1403
static int vm_request_pending(void)
1404
{
1405
    return powerdown_requested ||
1406
           reset_requested ||
1407
           shutdown_requested ||
1408
           debug_requested ||
1409
           vmstop_requested;
1410
}
1411
#endif
1412

    
1413
qemu_irq qemu_system_powerdown;
1414

    
1415
static void main_loop(void)
1416
{
1417
    bool nonblocking = false;
1418
#ifdef CONFIG_PROFILER
1419
    int64_t ti;
1420
#endif
1421
    int r;
1422

    
1423
    qemu_main_loop_start();
1424

    
1425
    for (;;) {
1426
#ifndef CONFIG_IOTHREAD
1427
        nonblocking = cpu_exec_all();
1428
        if (vm_request_pending()) {
1429
            nonblocking = true;
1430
        }
1431
#endif
1432
#ifdef CONFIG_PROFILER
1433
        ti = profile_getclock();
1434
#endif
1435
        main_loop_wait(nonblocking);
1436
#ifdef CONFIG_PROFILER
1437
        dev_time += profile_getclock() - ti;
1438
#endif
1439

    
1440
        if (qemu_debug_requested()) {
1441
            vm_stop(VMSTOP_DEBUG);
1442
        }
1443
        if (qemu_shutdown_requested()) {
1444
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1445
            if (no_shutdown) {
1446
                vm_stop(VMSTOP_SHUTDOWN);
1447
                no_shutdown = 0;
1448
            } else
1449
                break;
1450
        }
1451
        if (qemu_reset_requested()) {
1452
            pause_all_vcpus();
1453
            qemu_system_reset();
1454
            resume_all_vcpus();
1455
        }
1456
        if (qemu_powerdown_requested()) {
1457
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1458
            qemu_irq_raise(qemu_system_powerdown);
1459
        }
1460
        if ((r = qemu_vmstop_requested())) {
1461
            vm_stop(r);
1462
        }
1463
    }
1464
    bdrv_close_all();
1465
    pause_all_vcpus();
1466
}
1467

    
1468
static void version(void)
1469
{
1470
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1471
}
1472

    
1473
static void help(int exitcode)
1474
{
1475
    const char *options_help =
1476
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1477
        opt_help
1478
#define DEFHEADING(text) stringify(text) "\n"
1479
#include "qemu-options.def"
1480
#undef DEF
1481
#undef DEFHEADING
1482
#undef GEN_DOCS
1483
        ;
1484
    version();
1485
    printf("usage: %s [options] [disk_image]\n"
1486
           "\n"
1487
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1488
           "\n"
1489
           "%s\n"
1490
           "During emulation, the following keys are useful:\n"
1491
           "ctrl-alt-f      toggle full screen\n"
1492
           "ctrl-alt-n      switch to virtual console 'n'\n"
1493
           "ctrl-alt        toggle mouse and keyboard grab\n"
1494
           "\n"
1495
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
1496
           "qemu",
1497
           options_help);
1498
    exit(exitcode);
1499
}
1500

    
1501
#define HAS_ARG 0x0001
1502

    
1503
typedef struct QEMUOption {
1504
    const char *name;
1505
    int flags;
1506
    int index;
1507
    uint32_t arch_mask;
1508
} QEMUOption;
1509

    
1510
static const QEMUOption qemu_options[] = {
1511
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1512
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1513
    { option, opt_arg, opt_enum, arch_mask },
1514
#define DEFHEADING(text)
1515
#include "qemu-options.def"
1516
#undef DEF
1517
#undef DEFHEADING
1518
#undef GEN_DOCS
1519
    { NULL },
1520
};
1521
static void select_vgahw (const char *p)
1522
{
1523
    const char *opts;
1524

    
1525
    default_vga = 0;
1526
    vga_interface_type = VGA_NONE;
1527
    if (strstart(p, "std", &opts)) {
1528
        vga_interface_type = VGA_STD;
1529
    } else if (strstart(p, "cirrus", &opts)) {
1530
        vga_interface_type = VGA_CIRRUS;
1531
    } else if (strstart(p, "vmware", &opts)) {
1532
        vga_interface_type = VGA_VMWARE;
1533
    } else if (strstart(p, "xenfb", &opts)) {
1534
        vga_interface_type = VGA_XENFB;
1535
    } else if (strstart(p, "qxl", &opts)) {
1536
        vga_interface_type = VGA_QXL;
1537
    } else if (!strstart(p, "none", &opts)) {
1538
    invalid_vga:
1539
        fprintf(stderr, "Unknown vga type: %s\n", p);
1540
        exit(1);
1541
    }
1542
    while (*opts) {
1543
        const char *nextopt;
1544

    
1545
        if (strstart(opts, ",retrace=", &nextopt)) {
1546
            opts = nextopt;
1547
            if (strstart(opts, "dumb", &nextopt))
1548
                vga_retrace_method = VGA_RETRACE_DUMB;
1549
            else if (strstart(opts, "precise", &nextopt))
1550
                vga_retrace_method = VGA_RETRACE_PRECISE;
1551
            else goto invalid_vga;
1552
        } else goto invalid_vga;
1553
        opts = nextopt;
1554
    }
1555
}
1556

    
1557
static int balloon_parse(const char *arg)
1558
{
1559
    QemuOpts *opts;
1560

    
1561
    if (strcmp(arg, "none") == 0) {
1562
        return 0;
1563
    }
1564

    
1565
    if (!strncmp(arg, "virtio", 6)) {
1566
        if (arg[6] == ',') {
1567
            /* have params -> parse them */
1568
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1569
            if (!opts)
1570
                return  -1;
1571
        } else {
1572
            /* create empty opts */
1573
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1574
        }
1575
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1576
        return 0;
1577
    }
1578

    
1579
    return -1;
1580
}
1581

    
1582
char *qemu_find_file(int type, const char *name)
1583
{
1584
    int len;
1585
    const char *subdir;
1586
    char *buf;
1587

    
1588
    /* If name contains path separators then try it as a straight path.  */
1589
    if ((strchr(name, '/') || strchr(name, '\\'))
1590
        && access(name, R_OK) == 0) {
1591
        return qemu_strdup(name);
1592
    }
1593
    switch (type) {
1594
    case QEMU_FILE_TYPE_BIOS:
1595
        subdir = "";
1596
        break;
1597
    case QEMU_FILE_TYPE_KEYMAP:
1598
        subdir = "keymaps/";
1599
        break;
1600
    default:
1601
        abort();
1602
    }
1603
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1604
    buf = qemu_mallocz(len);
1605
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1606
    if (access(buf, R_OK)) {
1607
        qemu_free(buf);
1608
        return NULL;
1609
    }
1610
    return buf;
1611
}
1612

    
1613
static int device_help_func(QemuOpts *opts, void *opaque)
1614
{
1615
    return qdev_device_help(opts);
1616
}
1617

    
1618
static int device_init_func(QemuOpts *opts, void *opaque)
1619
{
1620
    DeviceState *dev;
1621

    
1622
    dev = qdev_device_add(opts);
1623
    if (!dev)
1624
        return -1;
1625
    return 0;
1626
}
1627

    
1628
static int chardev_init_func(QemuOpts *opts, void *opaque)
1629
{
1630
    CharDriverState *chr;
1631

    
1632
    chr = qemu_chr_open_opts(opts, NULL);
1633
    if (!chr)
1634
        return -1;
1635
    return 0;
1636
}
1637

    
1638
#ifdef CONFIG_VIRTFS
1639
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1640
{
1641
    int ret;
1642
    ret = qemu_fsdev_add(opts);
1643

    
1644
    return ret;
1645
}
1646
#endif
1647

    
1648
static int mon_init_func(QemuOpts *opts, void *opaque)
1649
{
1650
    CharDriverState *chr;
1651
    const char *chardev;
1652
    const char *mode;
1653
    int flags;
1654

    
1655
    mode = qemu_opt_get(opts, "mode");
1656
    if (mode == NULL) {
1657
        mode = "readline";
1658
    }
1659
    if (strcmp(mode, "readline") == 0) {
1660
        flags = MONITOR_USE_READLINE;
1661
    } else if (strcmp(mode, "control") == 0) {
1662
        flags = MONITOR_USE_CONTROL;
1663
    } else {
1664
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1665
        exit(1);
1666
    }
1667

    
1668
    if (qemu_opt_get_bool(opts, "pretty", 0))
1669
        flags |= MONITOR_USE_PRETTY;
1670

    
1671
    if (qemu_opt_get_bool(opts, "default", 0))
1672
        flags |= MONITOR_IS_DEFAULT;
1673

    
1674
    chardev = qemu_opt_get(opts, "chardev");
1675
    chr = qemu_chr_find(chardev);
1676
    if (chr == NULL) {
1677
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1678
        exit(1);
1679
    }
1680

    
1681
    monitor_init(chr, flags);
1682
    return 0;
1683
}
1684

    
1685
static void monitor_parse(const char *optarg, const char *mode)
1686
{
1687
    static int monitor_device_index = 0;
1688
    QemuOpts *opts;
1689
    const char *p;
1690
    char label[32];
1691
    int def = 0;
1692

    
1693
    if (strstart(optarg, "chardev:", &p)) {
1694
        snprintf(label, sizeof(label), "%s", p);
1695
    } else {
1696
        snprintf(label, sizeof(label), "compat_monitor%d",
1697
                 monitor_device_index);
1698
        if (monitor_device_index == 0) {
1699
            def = 1;
1700
        }
1701
        opts = qemu_chr_parse_compat(label, optarg);
1702
        if (!opts) {
1703
            fprintf(stderr, "parse error: %s\n", optarg);
1704
            exit(1);
1705
        }
1706
    }
1707

    
1708
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1709
    if (!opts) {
1710
        fprintf(stderr, "duplicate chardev: %s\n", label);
1711
        exit(1);
1712
    }
1713
    qemu_opt_set(opts, "mode", mode);
1714
    qemu_opt_set(opts, "chardev", label);
1715
    if (def)
1716
        qemu_opt_set(opts, "default", "on");
1717
    monitor_device_index++;
1718
}
1719

    
1720
struct device_config {
1721
    enum {
1722
        DEV_USB,       /* -usbdevice     */
1723
        DEV_BT,        /* -bt            */
1724
        DEV_SERIAL,    /* -serial        */
1725
        DEV_PARALLEL,  /* -parallel      */
1726
        DEV_VIRTCON,   /* -virtioconsole */
1727
        DEV_DEBUGCON,  /* -debugcon */
1728
    } type;
1729
    const char *cmdline;
1730
    QTAILQ_ENTRY(device_config) next;
1731
};
1732
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1733

    
1734
static void add_device_config(int type, const char *cmdline)
1735
{
1736
    struct device_config *conf;
1737

    
1738
    conf = qemu_mallocz(sizeof(*conf));
1739
    conf->type = type;
1740
    conf->cmdline = cmdline;
1741
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1742
}
1743

    
1744
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1745
{
1746
    struct device_config *conf;
1747
    int rc;
1748

    
1749
    QTAILQ_FOREACH(conf, &device_configs, next) {
1750
        if (conf->type != type)
1751
            continue;
1752
        rc = func(conf->cmdline);
1753
        if (0 != rc)
1754
            return rc;
1755
    }
1756
    return 0;
1757
}
1758

    
1759
static int serial_parse(const char *devname)
1760
{
1761
    static int index = 0;
1762
    char label[32];
1763

    
1764
    if (strcmp(devname, "none") == 0)
1765
        return 0;
1766
    if (index == MAX_SERIAL_PORTS) {
1767
        fprintf(stderr, "qemu: too many serial ports\n");
1768
        exit(1);
1769
    }
1770
    snprintf(label, sizeof(label), "serial%d", index);
1771
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
1772
    if (!serial_hds[index]) {
1773
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1774
                devname, strerror(errno));
1775
        return -1;
1776
    }
1777
    index++;
1778
    return 0;
1779
}
1780

    
1781
static int parallel_parse(const char *devname)
1782
{
1783
    static int index = 0;
1784
    char label[32];
1785

    
1786
    if (strcmp(devname, "none") == 0)
1787
        return 0;
1788
    if (index == MAX_PARALLEL_PORTS) {
1789
        fprintf(stderr, "qemu: too many parallel ports\n");
1790
        exit(1);
1791
    }
1792
    snprintf(label, sizeof(label), "parallel%d", index);
1793
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1794
    if (!parallel_hds[index]) {
1795
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1796
                devname, strerror(errno));
1797
        return -1;
1798
    }
1799
    index++;
1800
    return 0;
1801
}
1802

    
1803
static int virtcon_parse(const char *devname)
1804
{
1805
    QemuOptsList *device = qemu_find_opts("device");
1806
    static int index = 0;
1807
    char label[32];
1808
    QemuOpts *bus_opts, *dev_opts;
1809

    
1810
    if (strcmp(devname, "none") == 0)
1811
        return 0;
1812
    if (index == MAX_VIRTIO_CONSOLES) {
1813
        fprintf(stderr, "qemu: too many virtio consoles\n");
1814
        exit(1);
1815
    }
1816

    
1817
    bus_opts = qemu_opts_create(device, NULL, 0);
1818
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
1819

    
1820
    dev_opts = qemu_opts_create(device, NULL, 0);
1821
    qemu_opt_set(dev_opts, "driver", "virtconsole");
1822

    
1823
    snprintf(label, sizeof(label), "virtcon%d", index);
1824
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1825
    if (!virtcon_hds[index]) {
1826
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1827
                devname, strerror(errno));
1828
        return -1;
1829
    }
1830
    qemu_opt_set(dev_opts, "chardev", label);
1831

    
1832
    index++;
1833
    return 0;
1834
}
1835

    
1836
static int debugcon_parse(const char *devname)
1837
{   
1838
    QemuOpts *opts;
1839

    
1840
    if (!qemu_chr_open("debugcon", devname, NULL)) {
1841
        exit(1);
1842
    }
1843
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1844
    if (!opts) {
1845
        fprintf(stderr, "qemu: already have a debugcon device\n");
1846
        exit(1);
1847
    }
1848
    qemu_opt_set(opts, "driver", "isa-debugcon");
1849
    qemu_opt_set(opts, "chardev", "debugcon");
1850
    return 0;
1851
}
1852

    
1853
void qemu_add_exit_notifier(Notifier *notify)
1854
{
1855
    notifier_list_add(&exit_notifiers, notify);
1856
}
1857

    
1858
void qemu_remove_exit_notifier(Notifier *notify)
1859
{
1860
    notifier_list_remove(&exit_notifiers, notify);
1861
}
1862

    
1863
static void qemu_run_exit_notifiers(void)
1864
{
1865
    notifier_list_notify(&exit_notifiers);
1866
}
1867

    
1868
void qemu_add_machine_init_done_notifier(Notifier *notify)
1869
{
1870
    notifier_list_add(&machine_init_done_notifiers, notify);
1871
}
1872

    
1873
static void qemu_run_machine_init_done_notifiers(void)
1874
{
1875
    notifier_list_notify(&machine_init_done_notifiers);
1876
}
1877

    
1878
static const QEMUOption *lookup_opt(int argc, char **argv,
1879
                                    const char **poptarg, int *poptind)
1880
{
1881
    const QEMUOption *popt;
1882
    int optind = *poptind;
1883
    char *r = argv[optind];
1884
    const char *optarg;
1885

    
1886
    loc_set_cmdline(argv, optind, 1);
1887
    optind++;
1888
    /* Treat --foo the same as -foo.  */
1889
    if (r[1] == '-')
1890
        r++;
1891
    popt = qemu_options;
1892
    for(;;) {
1893
        if (!popt->name) {
1894
            error_report("invalid option");
1895
            exit(1);
1896
        }
1897
        if (!strcmp(popt->name, r + 1))
1898
            break;
1899
        popt++;
1900
    }
1901
    if (popt->flags & HAS_ARG) {
1902
        if (optind >= argc) {
1903
            error_report("requires an argument");
1904
            exit(1);
1905
        }
1906
        optarg = argv[optind++];
1907
        loc_set_cmdline(argv, optind - 2, 2);
1908
    } else {
1909
        optarg = NULL;
1910
    }
1911

    
1912
    *poptarg = optarg;
1913
    *poptind = optind;
1914

    
1915
    return popt;
1916
}
1917

    
1918
int main(int argc, char **argv, char **envp)
1919
{
1920
    const char *gdbstub_dev = NULL;
1921
    int i;
1922
    int snapshot, linux_boot;
1923
    const char *icount_option = NULL;
1924
    const char *initrd_filename;
1925
    const char *kernel_filename, *kernel_cmdline;
1926
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1927
    DisplayState *ds;
1928
    DisplayChangeListener *dcl;
1929
    int cyls, heads, secs, translation;
1930
    QemuOpts *hda_opts = NULL, *opts;
1931
    QemuOptsList *olist;
1932
    int optind;
1933
    const char *optarg;
1934
    const char *loadvm = NULL;
1935
    QEMUMachine *machine;
1936
    const char *cpu_model;
1937
    int tb_size;
1938
    const char *pid_file = NULL;
1939
    const char *incoming = NULL;
1940
    int show_vnc_port = 0;
1941
    int defconfig = 1;
1942
    const char *trace_file = NULL;
1943

    
1944
    atexit(qemu_run_exit_notifiers);
1945
    error_set_progname(argv[0]);
1946

    
1947
    init_clocks();
1948

    
1949
    qemu_cache_utils_init(envp);
1950

    
1951
    QLIST_INIT (&vm_change_state_head);
1952
    os_setup_early_signal_handling();
1953

    
1954
    module_call_init(MODULE_INIT_MACHINE);
1955
    machine = find_default_machine();
1956
    cpu_model = NULL;
1957
    initrd_filename = NULL;
1958
    ram_size = 0;
1959
    snapshot = 0;
1960
    kernel_filename = NULL;
1961
    kernel_cmdline = "";
1962
    cyls = heads = secs = 0;
1963
    translation = BIOS_ATA_TRANSLATION_AUTO;
1964

    
1965
    for (i = 0; i < MAX_NODES; i++) {
1966
        node_mem[i] = 0;
1967
        node_cpumask[i] = 0;
1968
    }
1969

    
1970
    nb_numa_nodes = 0;
1971
    nb_nics = 0;
1972

    
1973
    tb_size = 0;
1974
    autostart= 1;
1975

    
1976
    /* first pass of option parsing */
1977
    optind = 1;
1978
    while (optind < argc) {
1979
        if (argv[optind][0] != '-') {
1980
            /* disk image */
1981
            optind++;
1982
            continue;
1983
        } else {
1984
            const QEMUOption *popt;
1985

    
1986
            popt = lookup_opt(argc, argv, &optarg, &optind);
1987
            switch (popt->index) {
1988
            case QEMU_OPTION_nodefconfig:
1989
                defconfig=0;
1990
                break;
1991
            }
1992
        }
1993
    }
1994

    
1995
    if (defconfig) {
1996
        int ret;
1997

    
1998
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1999
        if (ret < 0 && ret != -ENOENT) {
2000
            exit(1);
2001
        }
2002

    
2003
        ret = qemu_read_config_file(arch_config_name);
2004
        if (ret < 0 && ret != -ENOENT) {
2005
            exit(1);
2006
        }
2007
    }
2008
    cpudef_init();
2009

    
2010
    /* second pass of option parsing */
2011
    optind = 1;
2012
    for(;;) {
2013
        if (optind >= argc)
2014
            break;
2015
        if (argv[optind][0] != '-') {
2016
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2017
        } else {
2018
            const QEMUOption *popt;
2019

    
2020
            popt = lookup_opt(argc, argv, &optarg, &optind);
2021
            if (!(popt->arch_mask & arch_type)) {
2022
                printf("Option %s not supported for this target\n", popt->name);
2023
                exit(1);
2024
            }
2025
            switch(popt->index) {
2026
            case QEMU_OPTION_M:
2027
                machine = find_machine(optarg);
2028
                if (!machine) {
2029
                    QEMUMachine *m;
2030
                    printf("Supported machines are:\n");
2031
                    for(m = first_machine; m != NULL; m = m->next) {
2032
                        if (m->alias)
2033
                            printf("%-10s %s (alias of %s)\n",
2034
                                   m->alias, m->desc, m->name);
2035
                        printf("%-10s %s%s\n",
2036
                               m->name, m->desc,
2037
                               m->is_default ? " (default)" : "");
2038
                    }
2039
                    exit(*optarg != '?');
2040
                }
2041
                break;
2042
            case QEMU_OPTION_cpu:
2043
                /* hw initialization will check this */
2044
                if (*optarg == '?') {
2045
                    list_cpus(stdout, &fprintf, optarg);
2046
                    exit(0);
2047
                } else {
2048
                    cpu_model = optarg;
2049
                }
2050
                break;
2051
            case QEMU_OPTION_initrd:
2052
                initrd_filename = optarg;
2053
                break;
2054
            case QEMU_OPTION_hda:
2055
                {
2056
                    char buf[256];
2057
                    if (cyls == 0)
2058
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2059
                    else
2060
                        snprintf(buf, sizeof(buf),
2061
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2062
                                 HD_OPTS , cyls, heads, secs,
2063
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2064
                                 ",trans=lba" :
2065
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2066
                                 ",trans=none" : "");
2067
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2068
                    break;
2069
                }
2070
            case QEMU_OPTION_hdb:
2071
            case QEMU_OPTION_hdc:
2072
            case QEMU_OPTION_hdd:
2073
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2074
                          HD_OPTS);
2075
                break;
2076
            case QEMU_OPTION_drive:
2077
                drive_def(optarg);
2078
                break;
2079
            case QEMU_OPTION_set:
2080
                if (qemu_set_option(optarg) != 0)
2081
                    exit(1);
2082
                break;
2083
            case QEMU_OPTION_global:
2084
                if (qemu_global_option(optarg) != 0)
2085
                    exit(1);
2086
                break;
2087
            case QEMU_OPTION_mtdblock:
2088
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2089
                break;
2090
            case QEMU_OPTION_sd:
2091
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2092
                break;
2093
            case QEMU_OPTION_pflash:
2094
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2095
                break;
2096
            case QEMU_OPTION_snapshot:
2097
                snapshot = 1;
2098
                break;
2099
            case QEMU_OPTION_hdachs:
2100
                {
2101
                    const char *p;
2102
                    p = optarg;
2103
                    cyls = strtol(p, (char **)&p, 0);
2104
                    if (cyls < 1 || cyls > 16383)
2105
                        goto chs_fail;
2106
                    if (*p != ',')
2107
                        goto chs_fail;
2108
                    p++;
2109
                    heads = strtol(p, (char **)&p, 0);
2110
                    if (heads < 1 || heads > 16)
2111
                        goto chs_fail;
2112
                    if (*p != ',')
2113
                        goto chs_fail;
2114
                    p++;
2115
                    secs = strtol(p, (char **)&p, 0);
2116
                    if (secs < 1 || secs > 63)
2117
                        goto chs_fail;
2118
                    if (*p == ',') {
2119
                        p++;
2120
                        if (!strcmp(p, "none"))
2121
                            translation = BIOS_ATA_TRANSLATION_NONE;
2122
                        else if (!strcmp(p, "lba"))
2123
                            translation = BIOS_ATA_TRANSLATION_LBA;
2124
                        else if (!strcmp(p, "auto"))
2125
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2126
                        else
2127
                            goto chs_fail;
2128
                    } else if (*p != '\0') {
2129
                    chs_fail:
2130
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2131
                        exit(1);
2132
                    }
2133
                    if (hda_opts != NULL) {
2134
                        char num[16];
2135
                        snprintf(num, sizeof(num), "%d", cyls);
2136
                        qemu_opt_set(hda_opts, "cyls", num);
2137
                        snprintf(num, sizeof(num), "%d", heads);
2138
                        qemu_opt_set(hda_opts, "heads", num);
2139
                        snprintf(num, sizeof(num), "%d", secs);
2140
                        qemu_opt_set(hda_opts, "secs", num);
2141
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2142
                            qemu_opt_set(hda_opts, "trans", "lba");
2143
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2144
                            qemu_opt_set(hda_opts, "trans", "none");
2145
                    }
2146
                }
2147
                break;
2148
            case QEMU_OPTION_numa:
2149
                if (nb_numa_nodes >= MAX_NODES) {
2150
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2151
                    exit(1);
2152
                }
2153
                numa_add(optarg);
2154
                break;
2155
            case QEMU_OPTION_nographic:
2156
                display_type = DT_NOGRAPHIC;
2157
                break;
2158
#ifdef CONFIG_CURSES
2159
            case QEMU_OPTION_curses:
2160
                display_type = DT_CURSES;
2161
                break;
2162
#endif
2163
            case QEMU_OPTION_portrait:
2164
                graphic_rotate = 1;
2165
                break;
2166
            case QEMU_OPTION_kernel:
2167
                kernel_filename = optarg;
2168
                break;
2169
            case QEMU_OPTION_append:
2170
                kernel_cmdline = optarg;
2171
                break;
2172
            case QEMU_OPTION_cdrom:
2173
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2174
                break;
2175
            case QEMU_OPTION_boot:
2176
                {
2177
                    static const char * const params[] = {
2178
                        "order", "once", "menu", NULL
2179
                    };
2180
                    char buf[sizeof(boot_devices)];
2181
                    char *standard_boot_devices;
2182
                    int legacy = 0;
2183

    
2184
                    if (!strchr(optarg, '=')) {
2185
                        legacy = 1;
2186
                        pstrcpy(buf, sizeof(buf), optarg);
2187
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2188
                        fprintf(stderr,
2189
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2190
                                buf, optarg);
2191
                        exit(1);
2192
                    }
2193

    
2194
                    if (legacy ||
2195
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2196
                        validate_bootdevices(buf);
2197
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2198
                    }
2199
                    if (!legacy) {
2200
                        if (get_param_value(buf, sizeof(buf),
2201
                                            "once", optarg)) {
2202
                            validate_bootdevices(buf);
2203
                            standard_boot_devices = qemu_strdup(boot_devices);
2204
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2205
                            qemu_register_reset(restore_boot_devices,
2206
                                                standard_boot_devices);
2207
                        }
2208
                        if (get_param_value(buf, sizeof(buf),
2209
                                            "menu", optarg)) {
2210
                            if (!strcmp(buf, "on")) {
2211
                                boot_menu = 1;
2212
                            } else if (!strcmp(buf, "off")) {
2213
                                boot_menu = 0;
2214
                            } else {
2215
                                fprintf(stderr,
2216
                                        "qemu: invalid option value '%s'\n",
2217
                                        buf);
2218
                                exit(1);
2219
                            }
2220
                        }
2221
                    }
2222
                }
2223
                break;
2224
            case QEMU_OPTION_fda:
2225
            case QEMU_OPTION_fdb:
2226
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2227
                          optarg, FD_OPTS);
2228
                break;
2229
            case QEMU_OPTION_no_fd_bootchk:
2230
                fd_bootchk = 0;
2231
                break;
2232
            case QEMU_OPTION_netdev:
2233
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2234
                    exit(1);
2235
                }
2236
                break;
2237
            case QEMU_OPTION_net:
2238
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2239
                    exit(1);
2240
                }
2241
                break;
2242
#ifdef CONFIG_SLIRP
2243
            case QEMU_OPTION_tftp:
2244
                legacy_tftp_prefix = optarg;
2245
                break;
2246
            case QEMU_OPTION_bootp:
2247
                legacy_bootp_filename = optarg;
2248
                break;
2249
            case QEMU_OPTION_redir:
2250
                if (net_slirp_redir(optarg) < 0)
2251
                    exit(1);
2252
                break;
2253
#endif
2254
            case QEMU_OPTION_bt:
2255
                add_device_config(DEV_BT, optarg);
2256
                break;
2257
            case QEMU_OPTION_audio_help:
2258
                if (!(audio_available())) {
2259
                    printf("Option %s not supported for this target\n", popt->name);
2260
                    exit(1);
2261
                }
2262
                AUD_help ();
2263
                exit (0);
2264
                break;
2265
            case QEMU_OPTION_soundhw:
2266
                if (!(audio_available())) {
2267
                    printf("Option %s not supported for this target\n", popt->name);
2268
                    exit(1);
2269
                }
2270
                select_soundhw (optarg);
2271
                break;
2272
            case QEMU_OPTION_h:
2273
                help(0);
2274
                break;
2275
            case QEMU_OPTION_version:
2276
                version();
2277
                exit(0);
2278
                break;
2279
            case QEMU_OPTION_m: {
2280
                int64_t value;
2281

    
2282
                value = strtosz(optarg, NULL);
2283
                if (value < 0) {
2284
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2285
                    exit(1);
2286
                }
2287

    
2288
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2289
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2290
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2291
                    exit(1);
2292
                }
2293
                if (value != (uint64_t)(ram_addr_t)value) {
2294
                    fprintf(stderr, "qemu: ram size too large\n");
2295
                    exit(1);
2296
                }
2297
                ram_size = value;
2298
                break;
2299
            }
2300
            case QEMU_OPTION_mempath:
2301
                mem_path = optarg;
2302
                break;
2303
#ifdef MAP_POPULATE
2304
            case QEMU_OPTION_mem_prealloc:
2305
                mem_prealloc = 1;
2306
                break;
2307
#endif
2308
            case QEMU_OPTION_d:
2309
                set_cpu_log(optarg);
2310
                break;
2311
            case QEMU_OPTION_s:
2312
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2313
                break;
2314
            case QEMU_OPTION_gdb:
2315
                gdbstub_dev = optarg;
2316
                break;
2317
            case QEMU_OPTION_L:
2318
                data_dir = optarg;
2319
                break;
2320
            case QEMU_OPTION_bios:
2321
                bios_name = optarg;
2322
                break;
2323
            case QEMU_OPTION_singlestep:
2324
                singlestep = 1;
2325
                break;
2326
            case QEMU_OPTION_S:
2327
                autostart = 0;
2328
                break;
2329
            case QEMU_OPTION_k:
2330
                keyboard_layout = optarg;
2331
                break;
2332
            case QEMU_OPTION_localtime:
2333
                rtc_utc = 0;
2334
                break;
2335
            case QEMU_OPTION_vga:
2336
                select_vgahw (optarg);
2337
                break;
2338
            case QEMU_OPTION_g:
2339
                {
2340
                    const char *p;
2341
                    int w, h, depth;
2342
                    p = optarg;
2343
                    w = strtol(p, (char **)&p, 10);
2344
                    if (w <= 0) {
2345
                    graphic_error:
2346
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2347
                        exit(1);
2348
                    }
2349
                    if (*p != 'x')
2350
                        goto graphic_error;
2351
                    p++;
2352
                    h = strtol(p, (char **)&p, 10);
2353
                    if (h <= 0)
2354
                        goto graphic_error;
2355
                    if (*p == 'x') {
2356
                        p++;
2357
                        depth = strtol(p, (char **)&p, 10);
2358
                        if (depth != 8 && depth != 15 && depth != 16 &&
2359
                            depth != 24 && depth != 32)
2360
                            goto graphic_error;
2361
                    } else if (*p == '\0') {
2362
                        depth = graphic_depth;
2363
                    } else {
2364
                        goto graphic_error;
2365
                    }
2366

    
2367
                    graphic_width = w;
2368
                    graphic_height = h;
2369
                    graphic_depth = depth;
2370
                }
2371
                break;
2372
            case QEMU_OPTION_echr:
2373
                {
2374
                    char *r;
2375
                    term_escape_char = strtol(optarg, &r, 0);
2376
                    if (r == optarg)
2377
                        printf("Bad argument to echr\n");
2378
                    break;
2379
                }
2380
            case QEMU_OPTION_monitor:
2381
                monitor_parse(optarg, "readline");
2382
                default_monitor = 0;
2383
                break;
2384
            case QEMU_OPTION_qmp:
2385
                monitor_parse(optarg, "control");
2386
                default_monitor = 0;
2387
                break;
2388
            case QEMU_OPTION_mon:
2389
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2390
                if (!opts) {
2391
                    exit(1);
2392
                }
2393
                default_monitor = 0;
2394
                break;
2395
            case QEMU_OPTION_chardev:
2396
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2397
                if (!opts) {
2398
                    exit(1);
2399
                }
2400
                break;
2401
            case QEMU_OPTION_fsdev:
2402
                olist = qemu_find_opts("fsdev");
2403
                if (!olist) {
2404
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2405
                    exit(1);
2406
                }
2407
                opts = qemu_opts_parse(olist, optarg, 1);
2408
                if (!opts) {
2409
                    fprintf(stderr, "parse error: %s\n", optarg);
2410
                    exit(1);
2411
                }
2412
                break;
2413
            case QEMU_OPTION_virtfs: {
2414
                char *arg_fsdev = NULL;
2415
                char *arg_9p = NULL;
2416
                int len = 0;
2417

    
2418
                olist = qemu_find_opts("virtfs");
2419
                if (!olist) {
2420
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2421
                    exit(1);
2422
                }
2423
                opts = qemu_opts_parse(olist, optarg, 1);
2424
                if (!opts) {
2425
                    fprintf(stderr, "parse error: %s\n", optarg);
2426
                    exit(1);
2427
                }
2428

    
2429
                if (qemu_opt_get(opts, "fstype") == NULL ||
2430
                        qemu_opt_get(opts, "mount_tag") == NULL ||
2431
                        qemu_opt_get(opts, "path") == NULL ||
2432
                        qemu_opt_get(opts, "security_model") == NULL) {
2433
                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2434
                            "security_model=[mapped|passthrough|none],"
2435
                            "mnt_tag=tag.\n");
2436
                    exit(1);
2437
                }
2438

    
2439
                len = strlen(",id=,path=,security_model=");
2440
                len += strlen(qemu_opt_get(opts, "fstype"));
2441
                len += strlen(qemu_opt_get(opts, "mount_tag"));
2442
                len += strlen(qemu_opt_get(opts, "path"));
2443
                len += strlen(qemu_opt_get(opts, "security_model"));
2444
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2445

    
2446
                snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2447
                         "%s,id=%s,path=%s,security_model=%s",
2448
                         qemu_opt_get(opts, "fstype"),
2449
                         qemu_opt_get(opts, "mount_tag"),
2450
                         qemu_opt_get(opts, "path"),
2451
                         qemu_opt_get(opts, "security_model"));
2452

    
2453
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2454
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2455
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2456

    
2457
                snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2458
                         "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2459
                         qemu_opt_get(opts, "mount_tag"),
2460
                         qemu_opt_get(opts, "mount_tag"));
2461

    
2462
                if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2463
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2464
                    exit(1);
2465
                }
2466

    
2467
                if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2468
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
2469
                    exit(1);
2470
                }
2471

    
2472
                qemu_free(arg_fsdev);
2473
                qemu_free(arg_9p);
2474
                break;
2475
            }
2476
            case QEMU_OPTION_serial:
2477
                add_device_config(DEV_SERIAL, optarg);
2478
                default_serial = 0;
2479
                if (strncmp(optarg, "mon:", 4) == 0) {
2480
                    default_monitor = 0;
2481
                }
2482
                break;
2483
            case QEMU_OPTION_watchdog:
2484
                if (watchdog) {
2485
                    fprintf(stderr,
2486
                            "qemu: only one watchdog option may be given\n");
2487
                    return 1;
2488
                }
2489
                watchdog = optarg;
2490
                break;
2491
            case QEMU_OPTION_watchdog_action:
2492
                if (select_watchdog_action(optarg) == -1) {
2493
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2494
                    exit(1);
2495
                }
2496
                break;
2497
            case QEMU_OPTION_virtiocon:
2498
                add_device_config(DEV_VIRTCON, optarg);
2499
                default_virtcon = 0;
2500
                if (strncmp(optarg, "mon:", 4) == 0) {
2501
                    default_monitor = 0;
2502
                }
2503
                break;
2504
            case QEMU_OPTION_parallel:
2505
                add_device_config(DEV_PARALLEL, optarg);
2506
                default_parallel = 0;
2507
                if (strncmp(optarg, "mon:", 4) == 0) {
2508
                    default_monitor = 0;
2509
                }
2510
                break;
2511
            case QEMU_OPTION_debugcon:
2512
                add_device_config(DEV_DEBUGCON, optarg);
2513
                break;
2514
            case QEMU_OPTION_loadvm:
2515
                loadvm = optarg;
2516
                break;
2517
            case QEMU_OPTION_full_screen:
2518
                full_screen = 1;
2519
                break;
2520
#ifdef CONFIG_SDL
2521
            case QEMU_OPTION_no_frame:
2522
                no_frame = 1;
2523
                break;
2524
            case QEMU_OPTION_alt_grab:
2525
                alt_grab = 1;
2526
                break;
2527
            case QEMU_OPTION_ctrl_grab:
2528
                ctrl_grab = 1;
2529
                break;
2530
            case QEMU_OPTION_no_quit:
2531
                no_quit = 1;
2532
                break;
2533
            case QEMU_OPTION_sdl:
2534
                display_type = DT_SDL;
2535
                break;
2536
#endif
2537
            case QEMU_OPTION_pidfile:
2538
                pid_file = optarg;
2539
                break;
2540
            case QEMU_OPTION_win2k_hack:
2541
                win2k_install_hack = 1;
2542
                break;
2543
            case QEMU_OPTION_rtc_td_hack:
2544
                rtc_td_hack = 1;
2545
                break;
2546
            case QEMU_OPTION_acpitable:
2547
                do_acpitable_option(optarg);
2548
                break;
2549
            case QEMU_OPTION_smbios:
2550
                do_smbios_option(optarg);
2551
                break;
2552
            case QEMU_OPTION_enable_kvm:
2553
                kvm_allowed = 1;
2554
                break;
2555
            case QEMU_OPTION_usb:
2556
                usb_enabled = 1;
2557
                break;
2558
            case QEMU_OPTION_usbdevice:
2559
                usb_enabled = 1;
2560
                add_device_config(DEV_USB, optarg);
2561
                break;
2562
            case QEMU_OPTION_device:
2563
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2564
                    exit(1);
2565
                }
2566
                break;
2567
            case QEMU_OPTION_smp:
2568
                smp_parse(optarg);
2569
                if (smp_cpus < 1) {
2570
                    fprintf(stderr, "Invalid number of CPUs\n");
2571
                    exit(1);
2572
                }
2573
                if (max_cpus < smp_cpus) {
2574
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2575
                            "smp\n");
2576
                    exit(1);
2577
                }
2578
                if (max_cpus > 255) {
2579
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2580
                    exit(1);
2581
                }
2582
                break;
2583
            case QEMU_OPTION_vnc:
2584
                display_remote++;
2585
                vnc_display = optarg;
2586
                break;
2587
            case QEMU_OPTION_no_acpi:
2588
                acpi_enabled = 0;
2589
                break;
2590
            case QEMU_OPTION_no_hpet:
2591
                no_hpet = 1;
2592
                break;
2593
            case QEMU_OPTION_balloon:
2594
                if (balloon_parse(optarg) < 0) {
2595
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2596
                    exit(1);
2597
                }
2598
                break;
2599
            case QEMU_OPTION_no_reboot:
2600
                no_reboot = 1;
2601
                break;
2602
            case QEMU_OPTION_no_shutdown:
2603
                no_shutdown = 1;
2604
                break;
2605
            case QEMU_OPTION_show_cursor:
2606
                cursor_hide = 0;
2607
                break;
2608
            case QEMU_OPTION_uuid:
2609
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2610
                    fprintf(stderr, "Fail to parse UUID string."
2611
                            " Wrong format.\n");
2612
                    exit(1);
2613
                }
2614
                break;
2615
            case QEMU_OPTION_option_rom:
2616
                if (nb_option_roms >= MAX_OPTION_ROMS) {
2617
                    fprintf(stderr, "Too many option ROMs\n");
2618
                    exit(1);
2619
                }
2620
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2621
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2622
                option_rom[nb_option_roms].bootindex =
2623
                    qemu_opt_get_number(opts, "bootindex", -1);
2624
                if (!option_rom[nb_option_roms].name) {
2625
                    fprintf(stderr, "Option ROM file is not specified\n");
2626
                    exit(1);
2627
                }
2628
                nb_option_roms++;
2629
                break;
2630
            case QEMU_OPTION_semihosting:
2631
                semihosting_enabled = 1;
2632
                break;
2633
            case QEMU_OPTION_name:
2634
                qemu_name = qemu_strdup(optarg);
2635
                 {
2636
                     char *p = strchr(qemu_name, ',');
2637
                     if (p != NULL) {
2638
                        *p++ = 0;
2639
                        if (strncmp(p, "process=", 8)) {
2640
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
2641
                            exit(1);
2642
                        }
2643
                        p += 8;
2644
                        os_set_proc_name(p);
2645
                     }        
2646
                 }        
2647
                break;
2648
            case QEMU_OPTION_prom_env:
2649
                if (nb_prom_envs >= MAX_PROM_ENVS) {
2650
                    fprintf(stderr, "Too many prom variables\n");
2651
                    exit(1);
2652
                }
2653
                prom_envs[nb_prom_envs] = optarg;
2654
                nb_prom_envs++;
2655
                break;
2656
            case QEMU_OPTION_old_param:
2657
                old_param = 1;
2658
                break;
2659
            case QEMU_OPTION_clock:
2660
                configure_alarms(optarg);
2661
                break;
2662
            case QEMU_OPTION_startdate:
2663
                configure_rtc_date_offset(optarg, 1);
2664
                break;
2665
            case QEMU_OPTION_rtc:
2666
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2667
                if (!opts) {
2668
                    exit(1);
2669
                }
2670
                configure_rtc(opts);
2671
                break;
2672
            case QEMU_OPTION_tb_size:
2673
                tb_size = strtol(optarg, NULL, 0);
2674
                if (tb_size < 0)
2675
                    tb_size = 0;
2676
                break;
2677
            case QEMU_OPTION_icount:
2678
                icount_option = optarg;
2679
                break;
2680
            case QEMU_OPTION_incoming:
2681
                incoming = optarg;
2682
                incoming_expected = true;
2683
                break;
2684
            case QEMU_OPTION_nodefaults:
2685
                default_serial = 0;
2686
                default_parallel = 0;
2687
                default_virtcon = 0;
2688
                default_monitor = 0;
2689
                default_vga = 0;
2690
                default_net = 0;
2691
                default_floppy = 0;
2692
                default_cdrom = 0;
2693
                default_sdcard = 0;
2694
                break;
2695
            case QEMU_OPTION_xen_domid:
2696
                if (!(xen_available())) {
2697
                    printf("Option %s not supported for this target\n", popt->name);
2698
                    exit(1);
2699
                }
2700
                xen_domid = atoi(optarg);
2701
                break;
2702
            case QEMU_OPTION_xen_create:
2703
                if (!(xen_available())) {
2704
                    printf("Option %s not supported for this target\n", popt->name);
2705
                    exit(1);
2706
                }
2707
                xen_mode = XEN_CREATE;
2708
                break;
2709
            case QEMU_OPTION_xen_attach:
2710
                if (!(xen_available())) {
2711
                    printf("Option %s not supported for this target\n", popt->name);
2712
                    exit(1);
2713
                }
2714
                xen_mode = XEN_ATTACH;
2715
                break;
2716
#ifdef CONFIG_SIMPLE_TRACE
2717
            case QEMU_OPTION_trace:
2718
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2719
                if (opts) {
2720
                    trace_file = qemu_opt_get(opts, "file");
2721
                }
2722
                break;
2723
#endif
2724
            case QEMU_OPTION_readconfig:
2725
                {
2726
                    int ret = qemu_read_config_file(optarg);
2727
                    if (ret < 0) {
2728
                        fprintf(stderr, "read config %s: %s\n", optarg,
2729
                            strerror(-ret));
2730
                        exit(1);
2731
                    }
2732
                    break;
2733
                }
2734
            case QEMU_OPTION_spice:
2735
                olist = qemu_find_opts("spice");
2736
                if (!olist) {
2737
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
2738
                    exit(1);
2739
                }
2740
                opts = qemu_opts_parse(olist, optarg, 0);
2741
                if (!opts) {
2742
                    fprintf(stderr, "parse error: %s\n", optarg);
2743
                    exit(1);
2744
                }
2745
                break;
2746
            case QEMU_OPTION_writeconfig:
2747
                {
2748
                    FILE *fp;
2749
                    if (strcmp(optarg, "-") == 0) {
2750
                        fp = stdout;
2751
                    } else {
2752
                        fp = fopen(optarg, "w");
2753
                        if (fp == NULL) {
2754
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2755
                            exit(1);
2756
                        }
2757
                    }
2758
                    qemu_config_write(fp);
2759
                    fclose(fp);
2760
                    break;
2761
                }
2762
            default:
2763
                os_parse_cmd_args(popt->index, optarg);
2764
            }
2765
        }
2766
    }
2767
    loc_set_none();
2768

    
2769
    if (!st_init(trace_file)) {
2770
        fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2771
    }
2772

    
2773
    /* If no data_dir is specified then try to find it relative to the
2774
       executable path.  */
2775
    if (!data_dir) {
2776
        data_dir = os_find_datadir(argv[0]);
2777
    }
2778
    /* If all else fails use the install patch specified when building.  */
2779
    if (!data_dir) {
2780
        data_dir = CONFIG_QEMU_DATADIR;
2781
    }
2782

    
2783
    /*
2784
     * Default to max_cpus = smp_cpus, in case the user doesn't
2785
     * specify a max_cpus value.
2786
     */
2787
    if (!max_cpus)
2788
        max_cpus = smp_cpus;
2789

    
2790
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2791
    if (smp_cpus > machine->max_cpus) {
2792
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2793
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
2794
                machine->max_cpus);
2795
        exit(1);
2796
    }
2797

    
2798
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2799
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2800

    
2801
    if (machine->no_serial) {
2802
        default_serial = 0;
2803
    }
2804
    if (machine->no_parallel) {
2805
        default_parallel = 0;
2806
    }
2807
    if (!machine->use_virtcon) {
2808
        default_virtcon = 0;
2809
    }
2810
    if (machine->no_vga) {
2811
        default_vga = 0;
2812
    }
2813
    if (machine->no_floppy) {
2814
        default_floppy = 0;
2815
    }
2816
    if (machine->no_cdrom) {
2817
        default_cdrom = 0;
2818
    }
2819
    if (machine->no_sdcard) {
2820
        default_sdcard = 0;
2821
    }
2822

    
2823
    if (display_type == DT_NOGRAPHIC) {
2824
        if (default_parallel)
2825
            add_device_config(DEV_PARALLEL, "null");
2826
        if (default_serial && default_monitor) {
2827
            add_device_config(DEV_SERIAL, "mon:stdio");
2828
        } else if (default_virtcon && default_monitor) {
2829
            add_device_config(DEV_VIRTCON, "mon:stdio");
2830
        } else {
2831
            if (default_serial)
2832
                add_device_config(DEV_SERIAL, "stdio");
2833
            if (default_virtcon)
2834
                add_device_config(DEV_VIRTCON, "stdio");
2835
            if (default_monitor)
2836
                monitor_parse("stdio", "readline");
2837
        }
2838
    } else {
2839
        if (default_serial)
2840
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
2841
        if (default_parallel)
2842
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2843
        if (default_monitor)
2844
            monitor_parse("vc:80Cx24C", "readline");
2845
        if (default_virtcon)
2846
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2847
    }
2848
    if (default_vga)
2849
        vga_interface_type = VGA_CIRRUS;
2850

    
2851
    socket_init();
2852

    
2853
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2854
        exit(1);
2855
#ifdef CONFIG_VIRTFS
2856
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2857
        exit(1);
2858
    }
2859
#endif
2860

    
2861
    os_daemonize();
2862

    
2863
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2864
        os_pidfile_error();
2865
        exit(1);
2866
    }
2867

    
2868
    if (kvm_allowed) {
2869
        int ret = kvm_init();
2870
        if (ret < 0) {
2871
            if (!kvm_available()) {
2872
                printf("KVM not supported for this target\n");
2873
            } else {
2874
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2875
            }
2876
            exit(1);
2877
        }
2878
    }
2879

    
2880
    if (qemu_init_main_loop()) {
2881
        fprintf(stderr, "qemu_init_main_loop failed\n");
2882
        exit(1);
2883
    }
2884
    linux_boot = (kernel_filename != NULL);
2885

    
2886
    if (!linux_boot && *kernel_cmdline != '\0') {
2887
        fprintf(stderr, "-append only allowed with -kernel option\n");
2888
        exit(1);
2889
    }
2890

    
2891
    if (!linux_boot && initrd_filename != NULL) {
2892
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
2893
        exit(1);
2894
    }
2895

    
2896
    os_set_line_buffering();
2897

    
2898
    if (init_timer_alarm() < 0) {
2899
        fprintf(stderr, "could not initialize alarm timer\n");
2900
        exit(1);
2901
    }
2902
    configure_icount(icount_option);
2903

    
2904
    if (net_init_clients() < 0) {
2905
        exit(1);
2906
    }
2907

    
2908
    /* init the bluetooth world */
2909
    if (foreach_device_config(DEV_BT, bt_parse))
2910
        exit(1);
2911

    
2912
    /* init the memory */
2913
    if (ram_size == 0)
2914
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2915

    
2916
    /* init the dynamic translator */
2917
    cpu_exec_init_all(tb_size * 1024 * 1024);
2918

    
2919
    bdrv_init_with_whitelist();
2920

    
2921
    blk_mig_init();
2922

    
2923
    /* open the virtual block devices */
2924
    if (snapshot)
2925
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2926
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2927
        exit(1);
2928

    
2929
    default_drive(default_cdrom, snapshot, machine->use_scsi,
2930
                  IF_DEFAULT, 2, CDROM_OPTS);
2931
    default_drive(default_floppy, snapshot, machine->use_scsi,
2932
                  IF_FLOPPY, 0, FD_OPTS);
2933
    default_drive(default_sdcard, snapshot, machine->use_scsi,
2934
                  IF_SD, 0, SD_OPTS);
2935

    
2936
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2937
                         ram_load, NULL);
2938

    
2939
    if (nb_numa_nodes > 0) {
2940
        int i;
2941

    
2942
        if (nb_numa_nodes > smp_cpus) {
2943
            nb_numa_nodes = smp_cpus;
2944
        }
2945

    
2946
        /* If no memory size if given for any node, assume the default case
2947
         * and distribute the available memory equally across all nodes
2948
         */
2949
        for (i = 0; i < nb_numa_nodes; i++) {
2950
            if (node_mem[i] != 0)
2951
                break;
2952
        }
2953
        if (i == nb_numa_nodes) {
2954
            uint64_t usedmem = 0;
2955

    
2956
            /* On Linux, the each node's border has to be 8MB aligned,
2957
             * the final node gets the rest.
2958
             */
2959
            for (i = 0; i < nb_numa_nodes - 1; i++) {
2960
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2961
                usedmem += node_mem[i];
2962
            }
2963
            node_mem[i] = ram_size - usedmem;
2964
        }
2965

    
2966
        for (i = 0; i < nb_numa_nodes; i++) {
2967
            if (node_cpumask[i] != 0)
2968
                break;
2969
        }
2970
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
2971
         * must cope with this anyway, because there are BIOSes out there in
2972
         * real machines which also use this scheme.
2973
         */
2974
        if (i == nb_numa_nodes) {
2975
            for (i = 0; i < smp_cpus; i++) {
2976
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
2977
            }
2978
        }
2979
    }
2980

    
2981
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2982
        exit(1);
2983
    }
2984

    
2985
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2986
        exit(1);
2987
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2988
        exit(1);
2989
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2990
        exit(1);
2991
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2992
        exit(1);
2993

    
2994
    module_call_init(MODULE_INIT_DEVICE);
2995

    
2996
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2997
        exit(0);
2998

    
2999
    if (watchdog) {
3000
        i = select_watchdog(watchdog);
3001
        if (i > 0)
3002
            exit (i == 1 ? 1 : 0);
3003
    }
3004

    
3005
    if (machine->compat_props) {
3006
        qdev_prop_register_global_list(machine->compat_props);
3007
    }
3008
    qemu_add_globals();
3009

    
3010
    machine->init(ram_size, boot_devices,
3011
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3012

    
3013
    cpu_synchronize_all_post_init();
3014

    
3015
    /* must be after terminal init, SDL library changes signal handlers */
3016
    os_setup_signal_handling();
3017

    
3018
    set_numa_modes();
3019

    
3020
    current_machine = machine;
3021

    
3022
    /* init USB devices */
3023
    if (usb_enabled) {
3024
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3025
            exit(1);
3026
    }
3027

    
3028
    /* init generic devices */
3029
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3030
        exit(1);
3031

    
3032
    net_check_clients();
3033

    
3034
    /* just use the first displaystate for the moment */
3035
    ds = get_displaystate();
3036

    
3037
    if (using_spice)
3038
        display_remote++;
3039
    if (display_type == DT_DEFAULT && !display_remote) {
3040
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3041
        display_type = DT_SDL;
3042
#else
3043
        vnc_display = "localhost:0,to=99";
3044
        show_vnc_port = 1;
3045
#endif
3046
    }
3047
        
3048

    
3049
    /* init local displays */
3050
    switch (display_type) {
3051
    case DT_NOGRAPHIC:
3052
        break;
3053
#if defined(CONFIG_CURSES)
3054
    case DT_CURSES:
3055
        curses_display_init(ds, full_screen);
3056
        break;
3057
#endif
3058
#if defined(CONFIG_SDL)
3059
    case DT_SDL:
3060
        sdl_display_init(ds, full_screen, no_frame);
3061
        break;
3062
#elif defined(CONFIG_COCOA)
3063
    case DT_SDL:
3064
        cocoa_display_init(ds, full_screen);
3065
        break;
3066
#endif
3067
    default:
3068
        break;
3069
    }
3070

    
3071
    /* init remote displays */
3072
    if (vnc_display) {
3073
        vnc_display_init(ds);
3074
        if (vnc_display_open(ds, vnc_display) < 0)
3075
            exit(1);
3076

    
3077
        if (show_vnc_port) {
3078
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3079
        }
3080
    }
3081
#ifdef CONFIG_SPICE
3082
    if (using_spice && !qxl_enabled) {
3083
        qemu_spice_display_init(ds);
3084
    }
3085
#endif
3086

    
3087
    /* display setup */
3088
    dpy_resize(ds);
3089
    dcl = ds->listeners;
3090
    while (dcl != NULL) {
3091
        if (dcl->dpy_refresh != NULL) {
3092
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3093
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3094
            break;
3095
        }
3096
        dcl = dcl->next;
3097
    }
3098
    if (ds->gui_timer == NULL) {
3099
        nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3100
        qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3101
    }
3102
    text_consoles_set_display(ds);
3103

    
3104
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3105
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3106
                gdbstub_dev);
3107
        exit(1);
3108
    }
3109

    
3110
    qdev_machine_creation_done();
3111

    
3112
    if (rom_load_all() != 0) {
3113
        fprintf(stderr, "rom loading failed\n");
3114
        exit(1);
3115
    }
3116

    
3117
    /* TODO: once all bus devices are qdevified, this should be done
3118
     * when bus is created by qdev.c */
3119
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3120
    qemu_run_machine_init_done_notifiers();
3121

    
3122
    qemu_system_reset();
3123
    if (loadvm) {
3124
        if (load_vmstate(loadvm) < 0) {
3125
            autostart = 0;
3126
        }
3127
    }
3128

    
3129
    if (incoming) {
3130
        int ret = qemu_start_incoming_migration(incoming);
3131
        if (ret < 0) {
3132
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3133
                    incoming, ret);
3134
            exit(ret);
3135
        }
3136
    } else if (autostart) {
3137
        vm_start();
3138
    }
3139

    
3140
    os_setup_post();
3141

    
3142
    main_loop();
3143
    quit_timers();
3144
    net_cleanup();
3145

    
3146
    return 0;
3147
}