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

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

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

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

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

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

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

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

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

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

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

    
155
#include "disas.h"
156

    
157
#include "qemu_socket.h"
158

    
159
#include "slirp/libslirp.h"
160

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

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

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

    
171
#define DEFAULT_RAM_SIZE 128
172

    
173
#define MAX_VIRTIO_CONSOLES 1
174

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

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

    
236
static QEMUTimer *nographic_timer;
237

    
238
uint8_t qemu_uuid[16];
239

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
496
    return 0;
497
}
498

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

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

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

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

    
521
    hci_table[nb_hcis++] = hci;
522

    
523
    return 0;
524
}
525

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

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

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

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

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

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

    
555
    vlan = qemu_find_bt_vlan(vlan_id);
556

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
690
    qemu_boot_set(standard_boot_devices);
691

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

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

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

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

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

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

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

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

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

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

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

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

    
821
done:
822
    return 0;
823
}
824

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
932

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1053
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1054

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

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

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

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

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

    
1078
    trace_vm_state_notify(running, reason);
1079

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

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

    
1096
/* reset/shutdown handler */
1097

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1218
    os_host_main_loop_wait(&timeout);
1219

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

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

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

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

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

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

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

    
1272
    qemu_run_all_timers();
1273

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

    
1278
}
1279

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

    
1293
qemu_irq qemu_system_powerdown;
1294

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

    
1299
    qemu_main_loop_start();
1300

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

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

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

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

    
1380
#define HAS_ARG 0x0001
1381

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

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

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

    
1422
        if (strstart(opts, ",retrace=", &nextopt)) {
1423
            opts = nextopt;
1424
            if (strstart(opts, "dumb", &nextopt))
1425
                vga_retrace_method = VGA_RETRACE_DUMB;
1426
            else if (strstart(opts, "precise", &nextopt))
1427
                vga_retrace_method = VGA_RETRACE_PRECISE;
1428
            else goto invalid_vga;
1429
        } else goto invalid_vga;
1430
        opts = nextopt;
1431
    }
1432
}
1433

    
1434
static int balloon_parse(const char *arg)
1435
{
1436
    QemuOpts *opts;
1437

    
1438
    if (strcmp(arg, "none") == 0) {
1439
        return 0;
1440
    }
1441

    
1442
    if (!strncmp(arg, "virtio", 6)) {
1443
        if (arg[6] == ',') {
1444
            /* have params -> parse them */
1445
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1446
            if (!opts)
1447
                return  -1;
1448
        } else {
1449
            /* create empty opts */
1450
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1451
        }
1452
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1453
        return 0;
1454
    }
1455

    
1456
    return -1;
1457
}
1458

    
1459
char *qemu_find_file(int type, const char *name)
1460
{
1461
    int len;
1462
    const char *subdir;
1463
    char *buf;
1464

    
1465
    /* If name contains path separators then try it as a straight path.  */
1466
    if ((strchr(name, '/') || strchr(name, '\\'))
1467
        && access(name, R_OK) == 0) {
1468
        return qemu_strdup(name);
1469
    }
1470
    switch (type) {
1471
    case QEMU_FILE_TYPE_BIOS:
1472
        subdir = "";
1473
        break;
1474
    case QEMU_FILE_TYPE_KEYMAP:
1475
        subdir = "keymaps/";
1476
        break;
1477
    default:
1478
        abort();
1479
    }
1480
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1481
    buf = qemu_mallocz(len);
1482
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1483
    if (access(buf, R_OK)) {
1484
        qemu_free(buf);
1485
        return NULL;
1486
    }
1487
    return buf;
1488
}
1489

    
1490
static int device_help_func(QemuOpts *opts, void *opaque)
1491
{
1492
    return qdev_device_help(opts);
1493
}
1494

    
1495
static int device_init_func(QemuOpts *opts, void *opaque)
1496
{
1497
    DeviceState *dev;
1498

    
1499
    dev = qdev_device_add(opts);
1500
    if (!dev)
1501
        return -1;
1502
    return 0;
1503
}
1504

    
1505
static int chardev_init_func(QemuOpts *opts, void *opaque)
1506
{
1507
    CharDriverState *chr;
1508

    
1509
    chr = qemu_chr_open_opts(opts, NULL);
1510
    if (!chr)
1511
        return -1;
1512
    return 0;
1513
}
1514

    
1515
#ifdef CONFIG_VIRTFS
1516
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1517
{
1518
    int ret;
1519
    ret = qemu_fsdev_add(opts);
1520

    
1521
    return ret;
1522
}
1523
#endif
1524

    
1525
static int mon_init_func(QemuOpts *opts, void *opaque)
1526
{
1527
    CharDriverState *chr;
1528
    const char *chardev;
1529
    const char *mode;
1530
    int flags;
1531

    
1532
    mode = qemu_opt_get(opts, "mode");
1533
    if (mode == NULL) {
1534
        mode = "readline";
1535
    }
1536
    if (strcmp(mode, "readline") == 0) {
1537
        flags = MONITOR_USE_READLINE;
1538
    } else if (strcmp(mode, "control") == 0) {
1539
        flags = MONITOR_USE_CONTROL;
1540
    } else {
1541
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1542
        exit(1);
1543
    }
1544

    
1545
    if (qemu_opt_get_bool(opts, "pretty", 0))
1546
        flags |= MONITOR_USE_PRETTY;
1547

    
1548
    if (qemu_opt_get_bool(opts, "default", 0))
1549
        flags |= MONITOR_IS_DEFAULT;
1550

    
1551
    chardev = qemu_opt_get(opts, "chardev");
1552
    chr = qemu_chr_find(chardev);
1553
    if (chr == NULL) {
1554
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1555
        exit(1);
1556
    }
1557

    
1558
    monitor_init(chr, flags);
1559
    return 0;
1560
}
1561

    
1562
static void monitor_parse(const char *optarg, const char *mode)
1563
{
1564
    static int monitor_device_index = 0;
1565
    QemuOpts *opts;
1566
    const char *p;
1567
    char label[32];
1568
    int def = 0;
1569

    
1570
    if (strstart(optarg, "chardev:", &p)) {
1571
        snprintf(label, sizeof(label), "%s", p);
1572
    } else {
1573
        snprintf(label, sizeof(label), "compat_monitor%d",
1574
                 monitor_device_index);
1575
        if (monitor_device_index == 0) {
1576
            def = 1;
1577
        }
1578
        opts = qemu_chr_parse_compat(label, optarg);
1579
        if (!opts) {
1580
            fprintf(stderr, "parse error: %s\n", optarg);
1581
            exit(1);
1582
        }
1583
    }
1584

    
1585
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1586
    if (!opts) {
1587
        fprintf(stderr, "duplicate chardev: %s\n", label);
1588
        exit(1);
1589
    }
1590
    qemu_opt_set(opts, "mode", mode);
1591
    qemu_opt_set(opts, "chardev", label);
1592
    if (def)
1593
        qemu_opt_set(opts, "default", "on");
1594
    monitor_device_index++;
1595
}
1596

    
1597
struct device_config {
1598
    enum {
1599
        DEV_USB,       /* -usbdevice     */
1600
        DEV_BT,        /* -bt            */
1601
        DEV_SERIAL,    /* -serial        */
1602
        DEV_PARALLEL,  /* -parallel      */
1603
        DEV_VIRTCON,   /* -virtioconsole */
1604
        DEV_DEBUGCON,  /* -debugcon */
1605
    } type;
1606
    const char *cmdline;
1607
    QTAILQ_ENTRY(device_config) next;
1608
};
1609
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1610

    
1611
static void add_device_config(int type, const char *cmdline)
1612
{
1613
    struct device_config *conf;
1614

    
1615
    conf = qemu_mallocz(sizeof(*conf));
1616
    conf->type = type;
1617
    conf->cmdline = cmdline;
1618
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1619
}
1620

    
1621
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1622
{
1623
    struct device_config *conf;
1624
    int rc;
1625

    
1626
    QTAILQ_FOREACH(conf, &device_configs, next) {
1627
        if (conf->type != type)
1628
            continue;
1629
        rc = func(conf->cmdline);
1630
        if (0 != rc)
1631
            return rc;
1632
    }
1633
    return 0;
1634
}
1635

    
1636
static int serial_parse(const char *devname)
1637
{
1638
    static int index = 0;
1639
    char label[32];
1640

    
1641
    if (strcmp(devname, "none") == 0)
1642
        return 0;
1643
    if (index == MAX_SERIAL_PORTS) {
1644
        fprintf(stderr, "qemu: too many serial ports\n");
1645
        exit(1);
1646
    }
1647
    snprintf(label, sizeof(label), "serial%d", index);
1648
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
1649
    if (!serial_hds[index]) {
1650
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1651
                devname, strerror(errno));
1652
        return -1;
1653
    }
1654
    index++;
1655
    return 0;
1656
}
1657

    
1658
static int parallel_parse(const char *devname)
1659
{
1660
    static int index = 0;
1661
    char label[32];
1662

    
1663
    if (strcmp(devname, "none") == 0)
1664
        return 0;
1665
    if (index == MAX_PARALLEL_PORTS) {
1666
        fprintf(stderr, "qemu: too many parallel ports\n");
1667
        exit(1);
1668
    }
1669
    snprintf(label, sizeof(label), "parallel%d", index);
1670
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1671
    if (!parallel_hds[index]) {
1672
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1673
                devname, strerror(errno));
1674
        return -1;
1675
    }
1676
    index++;
1677
    return 0;
1678
}
1679

    
1680
static int virtcon_parse(const char *devname)
1681
{
1682
    QemuOptsList *device = qemu_find_opts("device");
1683
    static int index = 0;
1684
    char label[32];
1685
    QemuOpts *bus_opts, *dev_opts;
1686

    
1687
    if (strcmp(devname, "none") == 0)
1688
        return 0;
1689
    if (index == MAX_VIRTIO_CONSOLES) {
1690
        fprintf(stderr, "qemu: too many virtio consoles\n");
1691
        exit(1);
1692
    }
1693

    
1694
    bus_opts = qemu_opts_create(device, NULL, 0);
1695
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
1696

    
1697
    dev_opts = qemu_opts_create(device, NULL, 0);
1698
    qemu_opt_set(dev_opts, "driver", "virtconsole");
1699

    
1700
    snprintf(label, sizeof(label), "virtcon%d", index);
1701
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1702
    if (!virtcon_hds[index]) {
1703
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1704
                devname, strerror(errno));
1705
        return -1;
1706
    }
1707
    qemu_opt_set(dev_opts, "chardev", label);
1708

    
1709
    index++;
1710
    return 0;
1711
}
1712

    
1713
static int debugcon_parse(const char *devname)
1714
{   
1715
    QemuOpts *opts;
1716

    
1717
    if (!qemu_chr_open("debugcon", devname, NULL)) {
1718
        exit(1);
1719
    }
1720
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1721
    if (!opts) {
1722
        fprintf(stderr, "qemu: already have a debugcon device\n");
1723
        exit(1);
1724
    }
1725
    qemu_opt_set(opts, "driver", "isa-debugcon");
1726
    qemu_opt_set(opts, "chardev", "debugcon");
1727
    return 0;
1728
}
1729

    
1730
void qemu_add_exit_notifier(Notifier *notify)
1731
{
1732
    notifier_list_add(&exit_notifiers, notify);
1733
}
1734

    
1735
void qemu_remove_exit_notifier(Notifier *notify)
1736
{
1737
    notifier_list_remove(&exit_notifiers, notify);
1738
}
1739

    
1740
static void qemu_run_exit_notifiers(void)
1741
{
1742
    notifier_list_notify(&exit_notifiers);
1743
}
1744

    
1745
static const QEMUOption *lookup_opt(int argc, char **argv,
1746
                                    const char **poptarg, int *poptind)
1747
{
1748
    const QEMUOption *popt;
1749
    int optind = *poptind;
1750
    char *r = argv[optind];
1751
    const char *optarg;
1752

    
1753
    loc_set_cmdline(argv, optind, 1);
1754
    optind++;
1755
    /* Treat --foo the same as -foo.  */
1756
    if (r[1] == '-')
1757
        r++;
1758
    popt = qemu_options;
1759
    for(;;) {
1760
        if (!popt->name) {
1761
            error_report("invalid option");
1762
            exit(1);
1763
        }
1764
        if (!strcmp(popt->name, r + 1))
1765
            break;
1766
        popt++;
1767
    }
1768
    if (popt->flags & HAS_ARG) {
1769
        if (optind >= argc) {
1770
            error_report("requires an argument");
1771
            exit(1);
1772
        }
1773
        optarg = argv[optind++];
1774
        loc_set_cmdline(argv, optind - 2, 2);
1775
    } else {
1776
        optarg = NULL;
1777
    }
1778

    
1779
    *poptarg = optarg;
1780
    *poptind = optind;
1781

    
1782
    return popt;
1783
}
1784

    
1785
int main(int argc, char **argv, char **envp)
1786
{
1787
    const char *gdbstub_dev = NULL;
1788
    int i;
1789
    int snapshot, linux_boot;
1790
    const char *icount_option = NULL;
1791
    const char *initrd_filename;
1792
    const char *kernel_filename, *kernel_cmdline;
1793
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1794
    DisplayState *ds;
1795
    DisplayChangeListener *dcl;
1796
    int cyls, heads, secs, translation;
1797
    QemuOpts *hda_opts = NULL, *opts;
1798
    QemuOptsList *olist;
1799
    int optind;
1800
    const char *optarg;
1801
    const char *loadvm = NULL;
1802
    QEMUMachine *machine;
1803
    const char *cpu_model;
1804
    int tb_size;
1805
    const char *pid_file = NULL;
1806
    const char *incoming = NULL;
1807
    int show_vnc_port = 0;
1808
    int defconfig = 1;
1809

    
1810
#ifdef CONFIG_SIMPLE_TRACE
1811
    const char *trace_file = NULL;
1812
#endif
1813
    atexit(qemu_run_exit_notifiers);
1814
    error_set_progname(argv[0]);
1815

    
1816
    init_clocks();
1817

    
1818
    qemu_cache_utils_init(envp);
1819

    
1820
    QLIST_INIT (&vm_change_state_head);
1821
    os_setup_early_signal_handling();
1822

    
1823
    module_call_init(MODULE_INIT_MACHINE);
1824
    machine = find_default_machine();
1825
    cpu_model = NULL;
1826
    initrd_filename = NULL;
1827
    ram_size = 0;
1828
    snapshot = 0;
1829
    kernel_filename = NULL;
1830
    kernel_cmdline = "";
1831
    cyls = heads = secs = 0;
1832
    translation = BIOS_ATA_TRANSLATION_AUTO;
1833

    
1834
    for (i = 0; i < MAX_NODES; i++) {
1835
        node_mem[i] = 0;
1836
        node_cpumask[i] = 0;
1837
    }
1838

    
1839
    nb_numa_nodes = 0;
1840
    nb_nics = 0;
1841

    
1842
    tb_size = 0;
1843
    autostart= 1;
1844

    
1845
    /* first pass of option parsing */
1846
    optind = 1;
1847
    while (optind < argc) {
1848
        if (argv[optind][0] != '-') {
1849
            /* disk image */
1850
            optind++;
1851
            continue;
1852
        } else {
1853
            const QEMUOption *popt;
1854

    
1855
            popt = lookup_opt(argc, argv, &optarg, &optind);
1856
            switch (popt->index) {
1857
            case QEMU_OPTION_nodefconfig:
1858
                defconfig=0;
1859
                break;
1860
            }
1861
        }
1862
    }
1863

    
1864
    if (defconfig) {
1865
        int ret;
1866

    
1867
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1868
        if (ret < 0 && ret != -ENOENT) {
1869
            exit(1);
1870
        }
1871

    
1872
        ret = qemu_read_config_file(arch_config_name);
1873
        if (ret < 0 && ret != -ENOENT) {
1874
            exit(1);
1875
        }
1876
    }
1877
    cpudef_init();
1878

    
1879
    /* second pass of option parsing */
1880
    optind = 1;
1881
    for(;;) {
1882
        if (optind >= argc)
1883
            break;
1884
        if (argv[optind][0] != '-') {
1885
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1886
        } else {
1887
            const QEMUOption *popt;
1888

    
1889
            popt = lookup_opt(argc, argv, &optarg, &optind);
1890
            if (!(popt->arch_mask & arch_type)) {
1891
                printf("Option %s not supported for this target\n", popt->name);
1892
                exit(1);
1893
            }
1894
            switch(popt->index) {
1895
            case QEMU_OPTION_M:
1896
                machine = find_machine(optarg);
1897
                if (!machine) {
1898
                    QEMUMachine *m;
1899
                    printf("Supported machines are:\n");
1900
                    for(m = first_machine; m != NULL; m = m->next) {
1901
                        if (m->alias)
1902
                            printf("%-10s %s (alias of %s)\n",
1903
                                   m->alias, m->desc, m->name);
1904
                        printf("%-10s %s%s\n",
1905
                               m->name, m->desc,
1906
                               m->is_default ? " (default)" : "");
1907
                    }
1908
                    exit(*optarg != '?');
1909
                }
1910
                break;
1911
            case QEMU_OPTION_cpu:
1912
                /* hw initialization will check this */
1913
                if (*optarg == '?') {
1914
                    list_cpus(stdout, &fprintf, optarg);
1915
                    exit(0);
1916
                } else {
1917
                    cpu_model = optarg;
1918
                }
1919
                break;
1920
            case QEMU_OPTION_initrd:
1921
                initrd_filename = optarg;
1922
                break;
1923
            case QEMU_OPTION_hda:
1924
                if (cyls == 0)
1925
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
1926
                else
1927
                    hda_opts = drive_add(optarg, HD_ALIAS
1928
                             ",cyls=%d,heads=%d,secs=%d%s",
1929
                             0, cyls, heads, secs,
1930
                             translation == BIOS_ATA_TRANSLATION_LBA ?
1931
                                 ",trans=lba" :
1932
                             translation == BIOS_ATA_TRANSLATION_NONE ?
1933
                                 ",trans=none" : "");
1934
                 break;
1935
            case QEMU_OPTION_hdb:
1936
            case QEMU_OPTION_hdc:
1937
            case QEMU_OPTION_hdd:
1938
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1939
                break;
1940
            case QEMU_OPTION_drive:
1941
                drive_add(NULL, "%s", optarg);
1942
                break;
1943
            case QEMU_OPTION_set:
1944
                if (qemu_set_option(optarg) != 0)
1945
                    exit(1);
1946
                break;
1947
            case QEMU_OPTION_global:
1948
                if (qemu_global_option(optarg) != 0)
1949
                    exit(1);
1950
                break;
1951
            case QEMU_OPTION_mtdblock:
1952
                drive_add(optarg, MTD_ALIAS);
1953
                break;
1954
            case QEMU_OPTION_sd:
1955
                drive_add(optarg, SD_ALIAS);
1956
                break;
1957
            case QEMU_OPTION_pflash:
1958
                drive_add(optarg, PFLASH_ALIAS);
1959
                break;
1960
            case QEMU_OPTION_snapshot:
1961
                snapshot = 1;
1962
                break;
1963
            case QEMU_OPTION_hdachs:
1964
                {
1965
                    const char *p;
1966
                    p = optarg;
1967
                    cyls = strtol(p, (char **)&p, 0);
1968
                    if (cyls < 1 || cyls > 16383)
1969
                        goto chs_fail;
1970
                    if (*p != ',')
1971
                        goto chs_fail;
1972
                    p++;
1973
                    heads = strtol(p, (char **)&p, 0);
1974
                    if (heads < 1 || heads > 16)
1975
                        goto chs_fail;
1976
                    if (*p != ',')
1977
                        goto chs_fail;
1978
                    p++;
1979
                    secs = strtol(p, (char **)&p, 0);
1980
                    if (secs < 1 || secs > 63)
1981
                        goto chs_fail;
1982
                    if (*p == ',') {
1983
                        p++;
1984
                        if (!strcmp(p, "none"))
1985
                            translation = BIOS_ATA_TRANSLATION_NONE;
1986
                        else if (!strcmp(p, "lba"))
1987
                            translation = BIOS_ATA_TRANSLATION_LBA;
1988
                        else if (!strcmp(p, "auto"))
1989
                            translation = BIOS_ATA_TRANSLATION_AUTO;
1990
                        else
1991
                            goto chs_fail;
1992
                    } else if (*p != '\0') {
1993
                    chs_fail:
1994
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
1995
                        exit(1);
1996
                    }
1997
                    if (hda_opts != NULL) {
1998
                        char num[16];
1999
                        snprintf(num, sizeof(num), "%d", cyls);
2000
                        qemu_opt_set(hda_opts, "cyls", num);
2001
                        snprintf(num, sizeof(num), "%d", heads);
2002
                        qemu_opt_set(hda_opts, "heads", num);
2003
                        snprintf(num, sizeof(num), "%d", secs);
2004
                        qemu_opt_set(hda_opts, "secs", num);
2005
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2006
                            qemu_opt_set(hda_opts, "trans", "lba");
2007
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2008
                            qemu_opt_set(hda_opts, "trans", "none");
2009
                    }
2010
                }
2011
                break;
2012
            case QEMU_OPTION_numa:
2013
                if (nb_numa_nodes >= MAX_NODES) {
2014
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2015
                    exit(1);
2016
                }
2017
                numa_add(optarg);
2018
                break;
2019
            case QEMU_OPTION_nographic:
2020
                display_type = DT_NOGRAPHIC;
2021
                break;
2022
#ifdef CONFIG_CURSES
2023
            case QEMU_OPTION_curses:
2024
                display_type = DT_CURSES;
2025
                break;
2026
#endif
2027
            case QEMU_OPTION_portrait:
2028
                graphic_rotate = 1;
2029
                break;
2030
            case QEMU_OPTION_kernel:
2031
                kernel_filename = optarg;
2032
                break;
2033
            case QEMU_OPTION_append:
2034
                kernel_cmdline = optarg;
2035
                break;
2036
            case QEMU_OPTION_cdrom:
2037
                drive_add(optarg, CDROM_ALIAS);
2038
                break;
2039
            case QEMU_OPTION_boot:
2040
                {
2041
                    static const char * const params[] = {
2042
                        "order", "once", "menu", NULL
2043
                    };
2044
                    char buf[sizeof(boot_devices)];
2045
                    char *standard_boot_devices;
2046
                    int legacy = 0;
2047

    
2048
                    if (!strchr(optarg, '=')) {
2049
                        legacy = 1;
2050
                        pstrcpy(buf, sizeof(buf), optarg);
2051
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2052
                        fprintf(stderr,
2053
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2054
                                buf, optarg);
2055
                        exit(1);
2056
                    }
2057

    
2058
                    if (legacy ||
2059
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2060
                        validate_bootdevices(buf);
2061
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2062
                    }
2063
                    if (!legacy) {
2064
                        if (get_param_value(buf, sizeof(buf),
2065
                                            "once", optarg)) {
2066
                            validate_bootdevices(buf);
2067
                            standard_boot_devices = qemu_strdup(boot_devices);
2068
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2069
                            qemu_register_reset(restore_boot_devices,
2070
                                                standard_boot_devices);
2071
                        }
2072
                        if (get_param_value(buf, sizeof(buf),
2073
                                            "menu", optarg)) {
2074
                            if (!strcmp(buf, "on")) {
2075
                                boot_menu = 1;
2076
                            } else if (!strcmp(buf, "off")) {
2077
                                boot_menu = 0;
2078
                            } else {
2079
                                fprintf(stderr,
2080
                                        "qemu: invalid option value '%s'\n",
2081
                                        buf);
2082
                                exit(1);
2083
                            }
2084
                        }
2085
                    }
2086
                }
2087
                break;
2088
            case QEMU_OPTION_fda:
2089
            case QEMU_OPTION_fdb:
2090
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2091
                break;
2092
            case QEMU_OPTION_no_fd_bootchk:
2093
                fd_bootchk = 0;
2094
                break;
2095
            case QEMU_OPTION_netdev:
2096
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2097
                    exit(1);
2098
                }
2099
                break;
2100
            case QEMU_OPTION_net:
2101
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2102
                    exit(1);
2103
                }
2104
                break;
2105
#ifdef CONFIG_SLIRP
2106
            case QEMU_OPTION_tftp:
2107
                legacy_tftp_prefix = optarg;
2108
                break;
2109
            case QEMU_OPTION_bootp:
2110
                legacy_bootp_filename = optarg;
2111
                break;
2112
            case QEMU_OPTION_redir:
2113
                if (net_slirp_redir(optarg) < 0)
2114
                    exit(1);
2115
                break;
2116
#endif
2117
            case QEMU_OPTION_bt:
2118
                add_device_config(DEV_BT, optarg);
2119
                break;
2120
            case QEMU_OPTION_audio_help:
2121
                if (!(audio_available())) {
2122
                    printf("Option %s not supported for this target\n", popt->name);
2123
                    exit(1);
2124
                }
2125
                AUD_help ();
2126
                exit (0);
2127
                break;
2128
            case QEMU_OPTION_soundhw:
2129
                if (!(audio_available())) {
2130
                    printf("Option %s not supported for this target\n", popt->name);
2131
                    exit(1);
2132
                }
2133
                select_soundhw (optarg);
2134
                break;
2135
            case QEMU_OPTION_h:
2136
                help(0);
2137
                break;
2138
            case QEMU_OPTION_version:
2139
                version();
2140
                exit(0);
2141
                break;
2142
            case QEMU_OPTION_m: {
2143
                ssize_t value;
2144

    
2145
                value = strtosz(optarg, NULL);
2146
                if (value < 0) {
2147
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2148
                    exit(1);
2149
                }
2150

    
2151
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2152
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2153
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2154
                    exit(1);
2155
                }
2156
                if (value != (uint64_t)(ram_addr_t)value) {
2157
                    fprintf(stderr, "qemu: ram size too large\n");
2158
                    exit(1);
2159
                }
2160
                ram_size = value;
2161
                break;
2162
            }
2163
            case QEMU_OPTION_mempath:
2164
                mem_path = optarg;
2165
                break;
2166
#ifdef MAP_POPULATE
2167
            case QEMU_OPTION_mem_prealloc:
2168
                mem_prealloc = 1;
2169
                break;
2170
#endif
2171
            case QEMU_OPTION_d:
2172
                set_cpu_log(optarg);
2173
                break;
2174
            case QEMU_OPTION_s:
2175
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2176
                break;
2177
            case QEMU_OPTION_gdb:
2178
                gdbstub_dev = optarg;
2179
                break;
2180
            case QEMU_OPTION_L:
2181
                data_dir = optarg;
2182
                break;
2183
            case QEMU_OPTION_bios:
2184
                bios_name = optarg;
2185
                break;
2186
            case QEMU_OPTION_singlestep:
2187
                singlestep = 1;
2188
                break;
2189
            case QEMU_OPTION_S:
2190
                autostart = 0;
2191
                break;
2192
            case QEMU_OPTION_k:
2193
                keyboard_layout = optarg;
2194
                break;
2195
            case QEMU_OPTION_localtime:
2196
                rtc_utc = 0;
2197
                break;
2198
            case QEMU_OPTION_vga:
2199
                select_vgahw (optarg);
2200
                break;
2201
            case QEMU_OPTION_g:
2202
                {
2203
                    const char *p;
2204
                    int w, h, depth;
2205
                    p = optarg;
2206
                    w = strtol(p, (char **)&p, 10);
2207
                    if (w <= 0) {
2208
                    graphic_error:
2209
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2210
                        exit(1);
2211
                    }
2212
                    if (*p != 'x')
2213
                        goto graphic_error;
2214
                    p++;
2215
                    h = strtol(p, (char **)&p, 10);
2216
                    if (h <= 0)
2217
                        goto graphic_error;
2218
                    if (*p == 'x') {
2219
                        p++;
2220
                        depth = strtol(p, (char **)&p, 10);
2221
                        if (depth != 8 && depth != 15 && depth != 16 &&
2222
                            depth != 24 && depth != 32)
2223
                            goto graphic_error;
2224
                    } else if (*p == '\0') {
2225
                        depth = graphic_depth;
2226
                    } else {
2227
                        goto graphic_error;
2228
                    }
2229

    
2230
                    graphic_width = w;
2231
                    graphic_height = h;
2232
                    graphic_depth = depth;
2233
                }
2234
                break;
2235
            case QEMU_OPTION_echr:
2236
                {
2237
                    char *r;
2238
                    term_escape_char = strtol(optarg, &r, 0);
2239
                    if (r == optarg)
2240
                        printf("Bad argument to echr\n");
2241
                    break;
2242
                }
2243
            case QEMU_OPTION_monitor:
2244
                monitor_parse(optarg, "readline");
2245
                default_monitor = 0;
2246
                break;
2247
            case QEMU_OPTION_qmp:
2248
                monitor_parse(optarg, "control");
2249
                default_monitor = 0;
2250
                break;
2251
            case QEMU_OPTION_mon:
2252
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2253
                if (!opts) {
2254
                    exit(1);
2255
                }
2256
                default_monitor = 0;
2257
                break;
2258
            case QEMU_OPTION_chardev:
2259
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2260
                if (!opts) {
2261
                    exit(1);
2262
                }
2263
                break;
2264
            case QEMU_OPTION_fsdev:
2265
                olist = qemu_find_opts("fsdev");
2266
                if (!olist) {
2267
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2268
                    exit(1);
2269
                }
2270
                opts = qemu_opts_parse(olist, optarg, 1);
2271
                if (!opts) {
2272
                    fprintf(stderr, "parse error: %s\n", optarg);
2273
                    exit(1);
2274
                }
2275
                break;
2276
            case QEMU_OPTION_virtfs: {
2277
                char *arg_fsdev = NULL;
2278
                char *arg_9p = NULL;
2279
                int len = 0;
2280

    
2281
                olist = qemu_find_opts("virtfs");
2282
                if (!olist) {
2283
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2284
                    exit(1);
2285
                }
2286
                opts = qemu_opts_parse(olist, optarg, 1);
2287
                if (!opts) {
2288
                    fprintf(stderr, "parse error: %s\n", optarg);
2289
                    exit(1);
2290
                }
2291

    
2292
                if (qemu_opt_get(opts, "fstype") == NULL ||
2293
                        qemu_opt_get(opts, "mount_tag") == NULL ||
2294
                        qemu_opt_get(opts, "path") == NULL ||
2295
                        qemu_opt_get(opts, "security_model") == NULL) {
2296
                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2297
                            "security_model=[mapped|passthrough|none],"
2298
                            "mnt_tag=tag.\n");
2299
                    exit(1);
2300
                }
2301

    
2302
                len = strlen(",id=,path=,security_model=");
2303
                len += strlen(qemu_opt_get(opts, "fstype"));
2304
                len += strlen(qemu_opt_get(opts, "mount_tag"));
2305
                len += strlen(qemu_opt_get(opts, "path"));
2306
                len += strlen(qemu_opt_get(opts, "security_model"));
2307
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2308

    
2309
                snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2310
                         "%s,id=%s,path=%s,security_model=%s",
2311
                         qemu_opt_get(opts, "fstype"),
2312
                         qemu_opt_get(opts, "mount_tag"),
2313
                         qemu_opt_get(opts, "path"),
2314
                         qemu_opt_get(opts, "security_model"));
2315

    
2316
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2317
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2318
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2319

    
2320
                snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2321
                         "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2322
                         qemu_opt_get(opts, "mount_tag"),
2323
                         qemu_opt_get(opts, "mount_tag"));
2324

    
2325
                if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2326
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2327
                    exit(1);
2328
                }
2329

    
2330
                if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2331
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
2332
                    exit(1);
2333
                }
2334

    
2335
                qemu_free(arg_fsdev);
2336
                qemu_free(arg_9p);
2337
                break;
2338
            }
2339
            case QEMU_OPTION_serial:
2340
                add_device_config(DEV_SERIAL, optarg);
2341
                default_serial = 0;
2342
                if (strncmp(optarg, "mon:", 4) == 0) {
2343
                    default_monitor = 0;
2344
                }
2345
                break;
2346
            case QEMU_OPTION_watchdog:
2347
                if (watchdog) {
2348
                    fprintf(stderr,
2349
                            "qemu: only one watchdog option may be given\n");
2350
                    return 1;
2351
                }
2352
                watchdog = optarg;
2353
                break;
2354
            case QEMU_OPTION_watchdog_action:
2355
                if (select_watchdog_action(optarg) == -1) {
2356
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2357
                    exit(1);
2358
                }
2359
                break;
2360
            case QEMU_OPTION_virtiocon:
2361
                add_device_config(DEV_VIRTCON, optarg);
2362
                default_virtcon = 0;
2363
                if (strncmp(optarg, "mon:", 4) == 0) {
2364
                    default_monitor = 0;
2365
                }
2366
                break;
2367
            case QEMU_OPTION_parallel:
2368
                add_device_config(DEV_PARALLEL, optarg);
2369
                default_parallel = 0;
2370
                if (strncmp(optarg, "mon:", 4) == 0) {
2371
                    default_monitor = 0;
2372
                }
2373
                break;
2374
            case QEMU_OPTION_debugcon:
2375
                add_device_config(DEV_DEBUGCON, optarg);
2376
                break;
2377
            case QEMU_OPTION_loadvm:
2378
                loadvm = optarg;
2379
                break;
2380
            case QEMU_OPTION_full_screen:
2381
                full_screen = 1;
2382
                break;
2383
#ifdef CONFIG_SDL
2384
            case QEMU_OPTION_no_frame:
2385
                no_frame = 1;
2386
                break;
2387
            case QEMU_OPTION_alt_grab:
2388
                alt_grab = 1;
2389
                break;
2390
            case QEMU_OPTION_ctrl_grab:
2391
                ctrl_grab = 1;
2392
                break;
2393
            case QEMU_OPTION_no_quit:
2394
                no_quit = 1;
2395
                break;
2396
            case QEMU_OPTION_sdl:
2397
                display_type = DT_SDL;
2398
                break;
2399
#endif
2400
            case QEMU_OPTION_pidfile:
2401
                pid_file = optarg;
2402
                break;
2403
            case QEMU_OPTION_win2k_hack:
2404
                win2k_install_hack = 1;
2405
                break;
2406
            case QEMU_OPTION_rtc_td_hack:
2407
                rtc_td_hack = 1;
2408
                break;
2409
            case QEMU_OPTION_acpitable:
2410
                do_acpitable_option(optarg);
2411
                break;
2412
            case QEMU_OPTION_smbios:
2413
                do_smbios_option(optarg);
2414
                break;
2415
            case QEMU_OPTION_enable_kvm:
2416
                kvm_allowed = 1;
2417
                break;
2418
            case QEMU_OPTION_usb:
2419
                usb_enabled = 1;
2420
                break;
2421
            case QEMU_OPTION_usbdevice:
2422
                usb_enabled = 1;
2423
                add_device_config(DEV_USB, optarg);
2424
                break;
2425
            case QEMU_OPTION_device:
2426
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2427
                    exit(1);
2428
                }
2429
                break;
2430
            case QEMU_OPTION_smp:
2431
                smp_parse(optarg);
2432
                if (smp_cpus < 1) {
2433
                    fprintf(stderr, "Invalid number of CPUs\n");
2434
                    exit(1);
2435
                }
2436
                if (max_cpus < smp_cpus) {
2437
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2438
                            "smp\n");
2439
                    exit(1);
2440
                }
2441
                if (max_cpus > 255) {
2442
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2443
                    exit(1);
2444
                }
2445
                break;
2446
            case QEMU_OPTION_vnc:
2447
                display_remote++;
2448
                vnc_display = optarg;
2449
                break;
2450
            case QEMU_OPTION_no_acpi:
2451
                acpi_enabled = 0;
2452
                break;
2453
            case QEMU_OPTION_no_hpet:
2454
                no_hpet = 1;
2455
                break;
2456
            case QEMU_OPTION_balloon:
2457
                if (balloon_parse(optarg) < 0) {
2458
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2459
                    exit(1);
2460
                }
2461
                break;
2462
            case QEMU_OPTION_no_reboot:
2463
                no_reboot = 1;
2464
                break;
2465
            case QEMU_OPTION_no_shutdown:
2466
                no_shutdown = 1;
2467
                break;
2468
            case QEMU_OPTION_show_cursor:
2469
                cursor_hide = 0;
2470
                break;
2471
            case QEMU_OPTION_uuid:
2472
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2473
                    fprintf(stderr, "Fail to parse UUID string."
2474
                            " Wrong format.\n");
2475
                    exit(1);
2476
                }
2477
                break;
2478
            case QEMU_OPTION_option_rom:
2479
                if (nb_option_roms >= MAX_OPTION_ROMS) {
2480
                    fprintf(stderr, "Too many option ROMs\n");
2481
                    exit(1);
2482
                }
2483
                option_rom[nb_option_roms] = optarg;
2484
                nb_option_roms++;
2485
                break;
2486
            case QEMU_OPTION_semihosting:
2487
                semihosting_enabled = 1;
2488
                break;
2489
            case QEMU_OPTION_name:
2490
                qemu_name = qemu_strdup(optarg);
2491
                 {
2492
                     char *p = strchr(qemu_name, ',');
2493
                     if (p != NULL) {
2494
                        *p++ = 0;
2495
                        if (strncmp(p, "process=", 8)) {
2496
                            fprintf(stderr, "Unknown subargument %s to -name", p);
2497
                            exit(1);
2498
                        }
2499
                        p += 8;
2500
                        os_set_proc_name(p);
2501
                     }        
2502
                 }        
2503
                break;
2504
            case QEMU_OPTION_prom_env:
2505
                if (nb_prom_envs >= MAX_PROM_ENVS) {
2506
                    fprintf(stderr, "Too many prom variables\n");
2507
                    exit(1);
2508
                }
2509
                prom_envs[nb_prom_envs] = optarg;
2510
                nb_prom_envs++;
2511
                break;
2512
            case QEMU_OPTION_old_param:
2513
                old_param = 1;
2514
                break;
2515
            case QEMU_OPTION_clock:
2516
                configure_alarms(optarg);
2517
                break;
2518
            case QEMU_OPTION_startdate:
2519
                configure_rtc_date_offset(optarg, 1);
2520
                break;
2521
            case QEMU_OPTION_rtc:
2522
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2523
                if (!opts) {
2524
                    exit(1);
2525
                }
2526
                configure_rtc(opts);
2527
                break;
2528
            case QEMU_OPTION_tb_size:
2529
                tb_size = strtol(optarg, NULL, 0);
2530
                if (tb_size < 0)
2531
                    tb_size = 0;
2532
                break;
2533
            case QEMU_OPTION_icount:
2534
                icount_option = optarg;
2535
                break;
2536
            case QEMU_OPTION_incoming:
2537
                incoming = optarg;
2538
                incoming_expected = true;
2539
                break;
2540
            case QEMU_OPTION_nodefaults:
2541
                default_serial = 0;
2542
                default_parallel = 0;
2543
                default_virtcon = 0;
2544
                default_monitor = 0;
2545
                default_vga = 0;
2546
                default_net = 0;
2547
                default_floppy = 0;
2548
                default_cdrom = 0;
2549
                default_sdcard = 0;
2550
                break;
2551
            case QEMU_OPTION_xen_domid:
2552
                if (!(xen_available())) {
2553
                    printf("Option %s not supported for this target\n", popt->name);
2554
                    exit(1);
2555
                }
2556
                xen_domid = atoi(optarg);
2557
                break;
2558
            case QEMU_OPTION_xen_create:
2559
                if (!(xen_available())) {
2560
                    printf("Option %s not supported for this target\n", popt->name);
2561
                    exit(1);
2562
                }
2563
                xen_mode = XEN_CREATE;
2564
                break;
2565
            case QEMU_OPTION_xen_attach:
2566
                if (!(xen_available())) {
2567
                    printf("Option %s not supported for this target\n", popt->name);
2568
                    exit(1);
2569
                }
2570
                xen_mode = XEN_ATTACH;
2571
                break;
2572
#ifdef CONFIG_SIMPLE_TRACE
2573
            case QEMU_OPTION_trace:
2574
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2575
                if (opts) {
2576
                    trace_file = qemu_opt_get(opts, "file");
2577
                }
2578
                break;
2579
#endif
2580
            case QEMU_OPTION_readconfig:
2581
                {
2582
                    int ret = qemu_read_config_file(optarg);
2583
                    if (ret < 0) {
2584
                        fprintf(stderr, "read config %s: %s\n", optarg,
2585
                            strerror(-ret));
2586
                        exit(1);
2587
                    }
2588
                    break;
2589
                }
2590
            case QEMU_OPTION_spice:
2591
                olist = qemu_find_opts("spice");
2592
                if (!olist) {
2593
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
2594
                    exit(1);
2595
                }
2596
                opts = qemu_opts_parse(olist, optarg, 0);
2597
                if (!opts) {
2598
                    fprintf(stderr, "parse error: %s\n", optarg);
2599
                    exit(1);
2600
                }
2601
                break;
2602
            case QEMU_OPTION_writeconfig:
2603
                {
2604
                    FILE *fp;
2605
                    if (strcmp(optarg, "-") == 0) {
2606
                        fp = stdout;
2607
                    } else {
2608
                        fp = fopen(optarg, "w");
2609
                        if (fp == NULL) {
2610
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2611
                            exit(1);
2612
                        }
2613
                    }
2614
                    qemu_config_write(fp);
2615
                    fclose(fp);
2616
                    break;
2617
                }
2618
            default:
2619
                os_parse_cmd_args(popt->index, optarg);
2620
            }
2621
        }
2622
    }
2623
    loc_set_none();
2624

    
2625
    /* If no data_dir is specified then try to find it relative to the
2626
       executable path.  */
2627
    if (!data_dir) {
2628
        data_dir = os_find_datadir(argv[0]);
2629
    }
2630
    /* If all else fails use the install patch specified when building.  */
2631
    if (!data_dir) {
2632
        data_dir = CONFIG_QEMU_DATADIR;
2633
    }
2634

    
2635
#ifdef CONFIG_SIMPLE_TRACE
2636
    /*
2637
     * Set the trace file name, if specified.
2638
     */
2639
    st_set_trace_file(trace_file);
2640
#endif
2641
    /*
2642
     * Default to max_cpus = smp_cpus, in case the user doesn't
2643
     * specify a max_cpus value.
2644
     */
2645
    if (!max_cpus)
2646
        max_cpus = smp_cpus;
2647

    
2648
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2649
    if (smp_cpus > machine->max_cpus) {
2650
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2651
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
2652
                machine->max_cpus);
2653
        exit(1);
2654
    }
2655

    
2656
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2657
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2658

    
2659
    if (machine->no_serial) {
2660
        default_serial = 0;
2661
    }
2662
    if (machine->no_parallel) {
2663
        default_parallel = 0;
2664
    }
2665
    if (!machine->use_virtcon) {
2666
        default_virtcon = 0;
2667
    }
2668
    if (machine->no_vga) {
2669
        default_vga = 0;
2670
    }
2671
    if (machine->no_floppy) {
2672
        default_floppy = 0;
2673
    }
2674
    if (machine->no_cdrom) {
2675
        default_cdrom = 0;
2676
    }
2677
    if (machine->no_sdcard) {
2678
        default_sdcard = 0;
2679
    }
2680

    
2681
    if (display_type == DT_NOGRAPHIC) {
2682
        if (default_parallel)
2683
            add_device_config(DEV_PARALLEL, "null");
2684
        if (default_serial && default_monitor) {
2685
            add_device_config(DEV_SERIAL, "mon:stdio");
2686
        } else if (default_virtcon && default_monitor) {
2687
            add_device_config(DEV_VIRTCON, "mon:stdio");
2688
        } else {
2689
            if (default_serial)
2690
                add_device_config(DEV_SERIAL, "stdio");
2691
            if (default_virtcon)
2692
                add_device_config(DEV_VIRTCON, "stdio");
2693
            if (default_monitor)
2694
                monitor_parse("stdio", "readline");
2695
        }
2696
    } else {
2697
        if (default_serial)
2698
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
2699
        if (default_parallel)
2700
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2701
        if (default_monitor)
2702
            monitor_parse("vc:80Cx24C", "readline");
2703
        if (default_virtcon)
2704
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2705
    }
2706
    if (default_vga)
2707
        vga_interface_type = VGA_CIRRUS;
2708

    
2709
    socket_init();
2710

    
2711
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2712
        exit(1);
2713
#ifdef CONFIG_VIRTFS
2714
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2715
        exit(1);
2716
    }
2717
#endif
2718

    
2719
    os_daemonize();
2720

    
2721
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2722
        os_pidfile_error();
2723
        exit(1);
2724
    }
2725

    
2726
    if (kvm_allowed) {
2727
        int ret = kvm_init(smp_cpus);
2728
        if (ret < 0) {
2729
            if (!kvm_available()) {
2730
                printf("KVM not supported for this target\n");
2731
            } else {
2732
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2733
            }
2734
            exit(1);
2735
        }
2736
    }
2737

    
2738
    if (qemu_init_main_loop()) {
2739
        fprintf(stderr, "qemu_init_main_loop failed\n");
2740
        exit(1);
2741
    }
2742
    linux_boot = (kernel_filename != NULL);
2743

    
2744
    if (!linux_boot && *kernel_cmdline != '\0') {
2745
        fprintf(stderr, "-append only allowed with -kernel option\n");
2746
        exit(1);
2747
    }
2748

    
2749
    if (!linux_boot && initrd_filename != NULL) {
2750
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
2751
        exit(1);
2752
    }
2753

    
2754
    os_set_line_buffering();
2755

    
2756
    if (init_timer_alarm() < 0) {
2757
        fprintf(stderr, "could not initialize alarm timer\n");
2758
        exit(1);
2759
    }
2760
    configure_icount(icount_option);
2761

    
2762
    if (net_init_clients() < 0) {
2763
        exit(1);
2764
    }
2765

    
2766
    /* init the bluetooth world */
2767
    if (foreach_device_config(DEV_BT, bt_parse))
2768
        exit(1);
2769

    
2770
    /* init the memory */
2771
    if (ram_size == 0)
2772
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2773

    
2774
    /* init the dynamic translator */
2775
    cpu_exec_init_all(tb_size * 1024 * 1024);
2776

    
2777
    bdrv_init_with_whitelist();
2778

    
2779
    blk_mig_init();
2780

    
2781
    if (default_cdrom) {
2782
        /* we always create the cdrom drive, even if no disk is there */
2783
        drive_add(NULL, CDROM_ALIAS);
2784
    }
2785

    
2786
    if (default_floppy) {
2787
        /* we always create at least one floppy */
2788
        drive_add(NULL, FD_ALIAS, 0);
2789
    }
2790

    
2791
    if (default_sdcard) {
2792
        /* we always create one sd slot, even if no card is in it */
2793
        drive_add(NULL, SD_ALIAS);
2794
    }
2795

    
2796
    /* open the virtual block devices */
2797
    if (snapshot)
2798
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2799
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2800
        exit(1);
2801

    
2802
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2803
                         ram_load, NULL);
2804

    
2805
    if (nb_numa_nodes > 0) {
2806
        int i;
2807

    
2808
        if (nb_numa_nodes > smp_cpus) {
2809
            nb_numa_nodes = smp_cpus;
2810
        }
2811

    
2812
        /* If no memory size if given for any node, assume the default case
2813
         * and distribute the available memory equally across all nodes
2814
         */
2815
        for (i = 0; i < nb_numa_nodes; i++) {
2816
            if (node_mem[i] != 0)
2817
                break;
2818
        }
2819
        if (i == nb_numa_nodes) {
2820
            uint64_t usedmem = 0;
2821

    
2822
            /* On Linux, the each node's border has to be 8MB aligned,
2823
             * the final node gets the rest.
2824
             */
2825
            for (i = 0; i < nb_numa_nodes - 1; i++) {
2826
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2827
                usedmem += node_mem[i];
2828
            }
2829
            node_mem[i] = ram_size - usedmem;
2830
        }
2831

    
2832
        for (i = 0; i < nb_numa_nodes; i++) {
2833
            if (node_cpumask[i] != 0)
2834
                break;
2835
        }
2836
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
2837
         * must cope with this anyway, because there are BIOSes out there in
2838
         * real machines which also use this scheme.
2839
         */
2840
        if (i == nb_numa_nodes) {
2841
            for (i = 0; i < smp_cpus; i++) {
2842
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
2843
            }
2844
        }
2845
    }
2846

    
2847
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2848
        exit(1);
2849
    }
2850

    
2851
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2852
        exit(1);
2853
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2854
        exit(1);
2855
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2856
        exit(1);
2857
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2858
        exit(1);
2859

    
2860
    module_call_init(MODULE_INIT_DEVICE);
2861

    
2862
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2863
        exit(0);
2864

    
2865
    if (watchdog) {
2866
        i = select_watchdog(watchdog);
2867
        if (i > 0)
2868
            exit (i == 1 ? 1 : 0);
2869
    }
2870

    
2871
    if (machine->compat_props) {
2872
        qdev_prop_register_global_list(machine->compat_props);
2873
    }
2874
    qemu_add_globals();
2875

    
2876
    machine->init(ram_size, boot_devices,
2877
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2878

    
2879
    cpu_synchronize_all_post_init();
2880

    
2881
    /* must be after terminal init, SDL library changes signal handlers */
2882
    os_setup_signal_handling();
2883

    
2884
    set_numa_modes();
2885

    
2886
    current_machine = machine;
2887

    
2888
    /* init USB devices */
2889
    if (usb_enabled) {
2890
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
2891
            exit(1);
2892
    }
2893

    
2894
    /* init generic devices */
2895
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
2896
        exit(1);
2897

    
2898
    net_check_clients();
2899

    
2900
    /* just use the first displaystate for the moment */
2901
    ds = get_displaystate();
2902

    
2903
    if (using_spice)
2904
        display_remote++;
2905
    if (display_type == DT_DEFAULT && !display_remote) {
2906
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2907
        display_type = DT_SDL;
2908
#else
2909
        vnc_display = "localhost:0,to=99";
2910
        show_vnc_port = 1;
2911
#endif
2912
    }
2913
        
2914

    
2915
    /* init local displays */
2916
    switch (display_type) {
2917
    case DT_NOGRAPHIC:
2918
        break;
2919
#if defined(CONFIG_CURSES)
2920
    case DT_CURSES:
2921
        curses_display_init(ds, full_screen);
2922
        break;
2923
#endif
2924
#if defined(CONFIG_SDL)
2925
    case DT_SDL:
2926
        sdl_display_init(ds, full_screen, no_frame);
2927
        break;
2928
#elif defined(CONFIG_COCOA)
2929
    case DT_SDL:
2930
        cocoa_display_init(ds, full_screen);
2931
        break;
2932
#endif
2933
    default:
2934
        break;
2935
    }
2936

    
2937
    /* init remote displays */
2938
    if (vnc_display) {
2939
        vnc_display_init(ds);
2940
        if (vnc_display_open(ds, vnc_display) < 0)
2941
            exit(1);
2942

    
2943
        if (show_vnc_port) {
2944
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2945
        }
2946
    }
2947
#ifdef CONFIG_SPICE
2948
    if (using_spice) {
2949
        qemu_spice_display_init(ds);
2950
    }
2951
#endif
2952

    
2953
    /* display setup */
2954
    dpy_resize(ds);
2955
    dcl = ds->listeners;
2956
    while (dcl != NULL) {
2957
        if (dcl->dpy_refresh != NULL) {
2958
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2959
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2960
            break;
2961
        }
2962
        dcl = dcl->next;
2963
    }
2964
    if (ds->gui_timer == NULL) {
2965
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2966
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2967
    }
2968
    text_consoles_set_display(ds);
2969

    
2970
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2971
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2972
                gdbstub_dev);
2973
        exit(1);
2974
    }
2975

    
2976
    qdev_machine_creation_done();
2977

    
2978
    if (rom_load_all() != 0) {
2979
        fprintf(stderr, "rom loading failed\n");
2980
        exit(1);
2981
    }
2982

    
2983
    qemu_system_reset();
2984
    if (loadvm) {
2985
        if (load_vmstate(loadvm) < 0) {
2986
            autostart = 0;
2987
        }
2988
    }
2989

    
2990
    if (incoming) {
2991
        int ret = qemu_start_incoming_migration(incoming);
2992
        if (ret < 0) {
2993
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2994
                    incoming, ret);
2995
            exit(ret);
2996
        }
2997
    } else if (autostart) {
2998
        vm_start();
2999
    }
3000

    
3001
    os_setup_post();
3002

    
3003
    main_loop();
3004
    quit_timers();
3005
    net_cleanup();
3006

    
3007
    return 0;
3008
}