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1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31

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

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

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

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

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

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

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

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

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

    
114
#include <glib.h>
115

    
116
#include "hw/hw.h"
117
#include "hw/boards.h"
118
#include "hw/usb.h"
119
#include "hw/pcmcia.h"
120
#include "hw/pc.h"
121
#include "hw/isa.h"
122
#include "hw/baum.h"
123
#include "hw/bt.h"
124
#include "hw/watchdog.h"
125
#include "hw/smbios.h"
126
#include "hw/xen.h"
127
#include "hw/qdev.h"
128
#include "hw/loader.h"
129
#include "bt-host.h"
130
#include "net.h"
131
#include "net/slirp.h"
132
#include "monitor.h"
133
#include "console.h"
134
#include "sysemu.h"
135
#include "gdbstub.h"
136
#include "qemu-timer.h"
137
#include "qemu-char.h"
138
#include "cache-utils.h"
139
#include "block.h"
140
#include "blockdev.h"
141
#include "block-migration.h"
142
#include "dma.h"
143
#include "audio/audio.h"
144
#include "migration.h"
145
#include "kvm.h"
146
#include "qjson.h"
147
#include "qemu-option.h"
148
#include "qemu-config.h"
149
#include "qemu-options.h"
150
#include "qmp-commands.h"
151
#include "main-loop.h"
152
#ifdef CONFIG_VIRTFS
153
#include "fsdev/qemu-fsdev.h"
154
#endif
155

    
156
#include "disas.h"
157

    
158
#include "qemu_socket.h"
159

    
160
#include "slirp/libslirp.h"
161

    
162
#include "trace.h"
163
#include "trace/control.h"
164
#include "qemu-queue.h"
165
#include "cpus.h"
166
#include "arch_init.h"
167

    
168
#include "ui/qemu-spice.h"
169

    
170
//#define DEBUG_NET
171
//#define DEBUG_SLIRP
172

    
173
#define DEFAULT_RAM_SIZE 128
174

    
175
#define MAX_VIRTIO_CONSOLES 1
176

    
177
static const char *data_dir;
178
const char *bios_name = NULL;
179
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180
DisplayType display_type = DT_DEFAULT;
181
int display_remote = 0;
182
const char* keyboard_layout = NULL;
183
ram_addr_t ram_size;
184
const char *mem_path = NULL;
185
#ifdef MAP_POPULATE
186
int mem_prealloc = 0; /* force preallocation of physical target memory */
187
#endif
188
int nb_nics;
189
NICInfo nd_table[MAX_NICS];
190
int autostart;
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 usb_enabled = 0;
205
int singlestep = 0;
206
int smp_cpus = 1;
207
int max_cpus = 0;
208
int smp_cores = 1;
209
int smp_threads = 1;
210
#ifdef CONFIG_VNC
211
const char *vnc_display;
212
#endif
213
int acpi_enabled = 1;
214
int no_hpet = 0;
215
int fd_bootchk = 1;
216
int no_reboot = 0;
217
int no_shutdown = 0;
218
int cursor_hide = 1;
219
int graphic_rotate = 0;
220
const char *watchdog;
221
QEMUOptionRom 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
uint8_t *boot_splash_filedata;
232
int boot_splash_filedata_size;
233
uint8_t qemu_extra_params_fw[2];
234

    
235
typedef struct FWBootEntry FWBootEntry;
236

    
237
struct FWBootEntry {
238
    QTAILQ_ENTRY(FWBootEntry) link;
239
    int32_t bootindex;
240
    DeviceState *dev;
241
    char *suffix;
242
};
243

    
244
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
245

    
246
int nb_numa_nodes;
247
uint64_t node_mem[MAX_NODES];
248
uint64_t node_cpumask[MAX_NODES];
249

    
250
uint8_t qemu_uuid[16];
251

    
252
static QEMUBootSetHandler *boot_set_handler;
253
static void *boot_set_opaque;
254

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

    
258
static NotifierList machine_init_done_notifiers =
259
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
260

    
261
static int tcg_allowed = 1;
262
int kvm_allowed = 0;
263
int xen_allowed = 0;
264
uint32_t xen_domid;
265
enum xen_mode xen_mode = XEN_EMULATE;
266
static int tcg_tb_size;
267

    
268
static int default_serial = 1;
269
static int default_parallel = 1;
270
static int default_virtcon = 1;
271
static int default_monitor = 1;
272
static int default_floppy = 1;
273
static int default_cdrom = 1;
274
static int default_sdcard = 1;
275

    
276
static struct {
277
    const char *driver;
278
    int *flag;
279
} default_list[] = {
280
    { .driver = "isa-serial",           .flag = &default_serial    },
281
    { .driver = "isa-parallel",         .flag = &default_parallel  },
282
    { .driver = "isa-fdc",              .flag = &default_floppy    },
283
    { .driver = "ide-cd",               .flag = &default_cdrom     },
284
    { .driver = "ide-hd",               .flag = &default_cdrom     },
285
    { .driver = "ide-drive",            .flag = &default_cdrom     },
286
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
287
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
288
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
289
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
290
};
291

    
292
static void res_free(void)
293
{
294
    if (boot_splash_filedata != NULL) {
295
        g_free(boot_splash_filedata);
296
        boot_splash_filedata = NULL;
297
    }
298
}
299

    
300
static int default_driver_check(QemuOpts *opts, void *opaque)
301
{
302
    const char *driver = qemu_opt_get(opts, "driver");
303
    int i;
304

    
305
    if (!driver)
306
        return 0;
307
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
308
        if (strcmp(default_list[i].driver, driver) != 0)
309
            continue;
310
        *(default_list[i].flag) = 0;
311
    }
312
    return 0;
313
}
314

    
315
/***********************************************************/
316
/* QEMU state */
317

    
318
static RunState current_run_state = RUN_STATE_PRELAUNCH;
319

    
320
typedef struct {
321
    RunState from;
322
    RunState to;
323
} RunStateTransition;
324

    
325
static const RunStateTransition runstate_transitions_def[] = {
326
    /*     from      ->     to      */
327
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
328

    
329
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
330
    { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
331

    
332
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
333
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
334

    
335
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
336
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
337

    
338
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
339
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
340

    
341
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
342
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
343

    
344
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
345
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
346
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
347

    
348
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
349
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
350

    
351
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
352

    
353
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
354
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
355
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
356
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
357
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
358
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
359
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
360
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
361
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
362

    
363
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
364

    
365
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
366
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
367

    
368
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
369
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
370

    
371
    { RUN_STATE_MAX, RUN_STATE_MAX },
372
};
373

    
374
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
375

    
376
bool runstate_check(RunState state)
377
{
378
    return current_run_state == state;
379
}
380

    
381
void runstate_init(void)
382
{
383
    const RunStateTransition *p;
384

    
385
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
386

    
387
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
388
        runstate_valid_transitions[p->from][p->to] = true;
389
    }
390
}
391

    
392
/* This function will abort() on invalid state transitions */
393
void runstate_set(RunState new_state)
394
{
395
    assert(new_state < RUN_STATE_MAX);
396

    
397
    if (!runstate_valid_transitions[current_run_state][new_state]) {
398
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
399
                RunState_lookup[current_run_state],
400
                RunState_lookup[new_state]);
401
        abort();
402
    }
403

    
404
    current_run_state = new_state;
405
}
406

    
407
int runstate_is_running(void)
408
{
409
    return runstate_check(RUN_STATE_RUNNING);
410
}
411

    
412
StatusInfo *qmp_query_status(Error **errp)
413
{
414
    StatusInfo *info = g_malloc0(sizeof(*info));
415

    
416
    info->running = runstate_is_running();
417
    info->singlestep = singlestep;
418
    info->status = current_run_state;
419

    
420
    return info;
421
}
422

    
423
/***********************************************************/
424
/* real time host monotonic timer */
425

    
426
/***********************************************************/
427
/* host time/date access */
428
void qemu_get_timedate(struct tm *tm, int offset)
429
{
430
    time_t ti;
431
    struct tm *ret;
432

    
433
    time(&ti);
434
    ti += offset;
435
    if (rtc_date_offset == -1) {
436
        if (rtc_utc)
437
            ret = gmtime(&ti);
438
        else
439
            ret = localtime(&ti);
440
    } else {
441
        ti -= rtc_date_offset;
442
        ret = gmtime(&ti);
443
    }
444

    
445
    memcpy(tm, ret, sizeof(struct tm));
446
}
447

    
448
int qemu_timedate_diff(struct tm *tm)
449
{
450
    time_t seconds;
451

    
452
    if (rtc_date_offset == -1)
453
        if (rtc_utc)
454
            seconds = mktimegm(tm);
455
        else {
456
            struct tm tmp = *tm;
457
            tmp.tm_isdst = -1; /* use timezone to figure it out */
458
            seconds = mktime(&tmp);
459
        }
460
    else
461
        seconds = mktimegm(tm) + rtc_date_offset;
462

    
463
    return seconds - time(NULL);
464
}
465

    
466
void rtc_change_mon_event(struct tm *tm)
467
{
468
    QObject *data;
469

    
470
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
471
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
472
    qobject_decref(data);
473
}
474

    
475
static void configure_rtc_date_offset(const char *startdate, int legacy)
476
{
477
    time_t rtc_start_date;
478
    struct tm tm;
479

    
480
    if (!strcmp(startdate, "now") && legacy) {
481
        rtc_date_offset = -1;
482
    } else {
483
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
484
                   &tm.tm_year,
485
                   &tm.tm_mon,
486
                   &tm.tm_mday,
487
                   &tm.tm_hour,
488
                   &tm.tm_min,
489
                   &tm.tm_sec) == 6) {
490
            /* OK */
491
        } else if (sscanf(startdate, "%d-%d-%d",
492
                          &tm.tm_year,
493
                          &tm.tm_mon,
494
                          &tm.tm_mday) == 3) {
495
            tm.tm_hour = 0;
496
            tm.tm_min = 0;
497
            tm.tm_sec = 0;
498
        } else {
499
            goto date_fail;
500
        }
501
        tm.tm_year -= 1900;
502
        tm.tm_mon--;
503
        rtc_start_date = mktimegm(&tm);
504
        if (rtc_start_date == -1) {
505
        date_fail:
506
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
507
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
508
            exit(1);
509
        }
510
        rtc_date_offset = time(NULL) - rtc_start_date;
511
    }
512
}
513

    
514
static void configure_rtc(QemuOpts *opts)
515
{
516
    const char *value;
517

    
518
    value = qemu_opt_get(opts, "base");
519
    if (value) {
520
        if (!strcmp(value, "utc")) {
521
            rtc_utc = 1;
522
        } else if (!strcmp(value, "localtime")) {
523
            rtc_utc = 0;
524
        } else {
525
            configure_rtc_date_offset(value, 0);
526
        }
527
    }
528
    value = qemu_opt_get(opts, "clock");
529
    if (value) {
530
        if (!strcmp(value, "host")) {
531
            rtc_clock = host_clock;
532
        } else if (!strcmp(value, "vm")) {
533
            rtc_clock = vm_clock;
534
        } else {
535
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
536
            exit(1);
537
        }
538
    }
539
    value = qemu_opt_get(opts, "driftfix");
540
    if (value) {
541
        if (!strcmp(value, "slew")) {
542
            static GlobalProperty slew_lost_ticks[] = {
543
                {
544
                    .driver   = "mc146818rtc",
545
                    .property = "lost_tick_policy",
546
                    .value    = "slew",
547
                },
548
                { /* end of list */ }
549
            };
550

    
551
            qdev_prop_register_global_list(slew_lost_ticks);
552
        } else if (!strcmp(value, "none")) {
553
            /* discard is default */
554
        } else {
555
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
556
            exit(1);
557
        }
558
    }
559
}
560

    
561
/***********************************************************/
562
/* Bluetooth support */
563
static int nb_hcis;
564
static int cur_hci;
565
static struct HCIInfo *hci_table[MAX_NICS];
566

    
567
static struct bt_vlan_s {
568
    struct bt_scatternet_s net;
569
    int id;
570
    struct bt_vlan_s *next;
571
} *first_bt_vlan;
572

    
573
/* find or alloc a new bluetooth "VLAN" */
574
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
575
{
576
    struct bt_vlan_s **pvlan, *vlan;
577
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
578
        if (vlan->id == id)
579
            return &vlan->net;
580
    }
581
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
582
    vlan->id = id;
583
    pvlan = &first_bt_vlan;
584
    while (*pvlan != NULL)
585
        pvlan = &(*pvlan)->next;
586
    *pvlan = vlan;
587
    return &vlan->net;
588
}
589

    
590
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
591
{
592
}
593

    
594
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
595
{
596
    return -ENOTSUP;
597
}
598

    
599
static struct HCIInfo null_hci = {
600
    .cmd_send = null_hci_send,
601
    .sco_send = null_hci_send,
602
    .acl_send = null_hci_send,
603
    .bdaddr_set = null_hci_addr_set,
604
};
605

    
606
struct HCIInfo *qemu_next_hci(void)
607
{
608
    if (cur_hci == nb_hcis)
609
        return &null_hci;
610

    
611
    return hci_table[cur_hci++];
612
}
613

    
614
static struct HCIInfo *hci_init(const char *str)
615
{
616
    char *endp;
617
    struct bt_scatternet_s *vlan = 0;
618

    
619
    if (!strcmp(str, "null"))
620
        /* null */
621
        return &null_hci;
622
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
623
        /* host[:hciN] */
624
        return bt_host_hci(str[4] ? str + 5 : "hci0");
625
    else if (!strncmp(str, "hci", 3)) {
626
        /* hci[,vlan=n] */
627
        if (str[3]) {
628
            if (!strncmp(str + 3, ",vlan=", 6)) {
629
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
630
                if (*endp)
631
                    vlan = 0;
632
            }
633
        } else
634
            vlan = qemu_find_bt_vlan(0);
635
        if (vlan)
636
           return bt_new_hci(vlan);
637
    }
638

    
639
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
640

    
641
    return 0;
642
}
643

    
644
static int bt_hci_parse(const char *str)
645
{
646
    struct HCIInfo *hci;
647
    bdaddr_t bdaddr;
648

    
649
    if (nb_hcis >= MAX_NICS) {
650
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
651
        return -1;
652
    }
653

    
654
    hci = hci_init(str);
655
    if (!hci)
656
        return -1;
657

    
658
    bdaddr.b[0] = 0x52;
659
    bdaddr.b[1] = 0x54;
660
    bdaddr.b[2] = 0x00;
661
    bdaddr.b[3] = 0x12;
662
    bdaddr.b[4] = 0x34;
663
    bdaddr.b[5] = 0x56 + nb_hcis;
664
    hci->bdaddr_set(hci, bdaddr.b);
665

    
666
    hci_table[nb_hcis++] = hci;
667

    
668
    return 0;
669
}
670

    
671
static void bt_vhci_add(int vlan_id)
672
{
673
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
674

    
675
    if (!vlan->slave)
676
        fprintf(stderr, "qemu: warning: adding a VHCI to "
677
                        "an empty scatternet %i\n", vlan_id);
678

    
679
    bt_vhci_init(bt_new_hci(vlan));
680
}
681

    
682
static struct bt_device_s *bt_device_add(const char *opt)
683
{
684
    struct bt_scatternet_s *vlan;
685
    int vlan_id = 0;
686
    char *endp = strstr(opt, ",vlan=");
687
    int len = (endp ? endp - opt : strlen(opt)) + 1;
688
    char devname[10];
689

    
690
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
691

    
692
    if (endp) {
693
        vlan_id = strtol(endp + 6, &endp, 0);
694
        if (*endp) {
695
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
696
            return 0;
697
        }
698
    }
699

    
700
    vlan = qemu_find_bt_vlan(vlan_id);
701

    
702
    if (!vlan->slave)
703
        fprintf(stderr, "qemu: warning: adding a slave device to "
704
                        "an empty scatternet %i\n", vlan_id);
705

    
706
    if (!strcmp(devname, "keyboard"))
707
        return bt_keyboard_init(vlan);
708

    
709
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
710
    return 0;
711
}
712

    
713
static int bt_parse(const char *opt)
714
{
715
    const char *endp, *p;
716
    int vlan;
717

    
718
    if (strstart(opt, "hci", &endp)) {
719
        if (!*endp || *endp == ',') {
720
            if (*endp)
721
                if (!strstart(endp, ",vlan=", 0))
722
                    opt = endp + 1;
723

    
724
            return bt_hci_parse(opt);
725
       }
726
    } else if (strstart(opt, "vhci", &endp)) {
727
        if (!*endp || *endp == ',') {
728
            if (*endp) {
729
                if (strstart(endp, ",vlan=", &p)) {
730
                    vlan = strtol(p, (char **) &endp, 0);
731
                    if (*endp) {
732
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
733
                        return 1;
734
                    }
735
                } else {
736
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
737
                    return 1;
738
                }
739
            } else
740
                vlan = 0;
741

    
742
            bt_vhci_add(vlan);
743
            return 0;
744
        }
745
    } else if (strstart(opt, "device:", &endp))
746
        return !bt_device_add(endp);
747

    
748
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
749
    return 1;
750
}
751

    
752
/***********************************************************/
753
/* QEMU Block devices */
754

    
755
#define HD_OPTS "media=disk"
756
#define CDROM_OPTS "media=cdrom"
757
#define FD_OPTS ""
758
#define PFLASH_OPTS ""
759
#define MTD_OPTS ""
760
#define SD_OPTS ""
761

    
762
static int drive_init_func(QemuOpts *opts, void *opaque)
763
{
764
    int *use_scsi = opaque;
765

    
766
    return drive_init(opts, *use_scsi) == NULL;
767
}
768

    
769
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
770
{
771
    if (NULL == qemu_opt_get(opts, "snapshot")) {
772
        qemu_opt_set(opts, "snapshot", "on");
773
    }
774
    return 0;
775
}
776

    
777
static void default_drive(int enable, int snapshot, int use_scsi,
778
                          BlockInterfaceType type, int index,
779
                          const char *optstr)
780
{
781
    QemuOpts *opts;
782

    
783
    if (type == IF_DEFAULT) {
784
        type = use_scsi ? IF_SCSI : IF_IDE;
785
    }
786

    
787
    if (!enable || drive_get_by_index(type, index)) {
788
        return;
789
    }
790

    
791
    opts = drive_add(type, index, NULL, optstr);
792
    if (snapshot) {
793
        drive_enable_snapshot(opts, NULL);
794
    }
795
    if (!drive_init(opts, use_scsi)) {
796
        exit(1);
797
    }
798
}
799

    
800
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
801
{
802
    boot_set_handler = func;
803
    boot_set_opaque = opaque;
804
}
805

    
806
int qemu_boot_set(const char *boot_devices)
807
{
808
    if (!boot_set_handler) {
809
        return -EINVAL;
810
    }
811
    return boot_set_handler(boot_set_opaque, boot_devices);
812
}
813

    
814
static void validate_bootdevices(char *devices)
815
{
816
    /* We just do some generic consistency checks */
817
    const char *p;
818
    int bitmap = 0;
819

    
820
    for (p = devices; *p != '\0'; p++) {
821
        /* Allowed boot devices are:
822
         * a-b: floppy disk drives
823
         * c-f: IDE disk drives
824
         * g-m: machine implementation dependent drives
825
         * n-p: network devices
826
         * It's up to each machine implementation to check if the given boot
827
         * devices match the actual hardware implementation and firmware
828
         * features.
829
         */
830
        if (*p < 'a' || *p > 'p') {
831
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
832
            exit(1);
833
        }
834
        if (bitmap & (1 << (*p - 'a'))) {
835
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
836
            exit(1);
837
        }
838
        bitmap |= 1 << (*p - 'a');
839
    }
840
}
841

    
842
static void restore_boot_devices(void *opaque)
843
{
844
    char *standard_boot_devices = opaque;
845
    static int first = 1;
846

    
847
    /* Restore boot order and remove ourselves after the first boot */
848
    if (first) {
849
        first = 0;
850
        return;
851
    }
852

    
853
    qemu_boot_set(standard_boot_devices);
854

    
855
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
856
    g_free(standard_boot_devices);
857
}
858

    
859
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
860
                          const char *suffix)
861
{
862
    FWBootEntry *node, *i;
863

    
864
    if (bootindex < 0) {
865
        return;
866
    }
867

    
868
    assert(dev != NULL || suffix != NULL);
869

    
870
    node = g_malloc0(sizeof(FWBootEntry));
871
    node->bootindex = bootindex;
872
    node->suffix = suffix ? g_strdup(suffix) : NULL;
873
    node->dev = dev;
874

    
875
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
876
        if (i->bootindex == bootindex) {
877
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
878
            exit(1);
879
        } else if (i->bootindex < bootindex) {
880
            continue;
881
        }
882
        QTAILQ_INSERT_BEFORE(i, node, link);
883
        return;
884
    }
885
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
886
}
887

    
888
/*
889
 * This function returns null terminated string that consist of new line
890
 * separated device paths.
891
 *
892
 * memory pointed by "size" is assigned total length of the array in bytes
893
 *
894
 */
895
char *get_boot_devices_list(uint32_t *size)
896
{
897
    FWBootEntry *i;
898
    uint32_t total = 0;
899
    char *list = NULL;
900

    
901
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
902
        char *devpath = NULL, *bootpath;
903
        int len;
904

    
905
        if (i->dev) {
906
            devpath = qdev_get_fw_dev_path(i->dev);
907
            assert(devpath);
908
        }
909

    
910
        if (i->suffix && devpath) {
911
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
912

    
913
            bootpath = g_malloc(bootpathlen);
914
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
915
            g_free(devpath);
916
        } else if (devpath) {
917
            bootpath = devpath;
918
        } else {
919
            assert(i->suffix);
920
            bootpath = g_strdup(i->suffix);
921
        }
922

    
923
        if (total) {
924
            list[total-1] = '\n';
925
        }
926
        len = strlen(bootpath) + 1;
927
        list = g_realloc(list, total + len);
928
        memcpy(&list[total], bootpath, len);
929
        total += len;
930
        g_free(bootpath);
931
    }
932

    
933
    *size = total;
934

    
935
    return list;
936
}
937

    
938
static void numa_add(const char *optarg)
939
{
940
    char option[128];
941
    char *endptr;
942
    unsigned long long value, endvalue;
943
    int nodenr;
944

    
945
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
946
    if (!strcmp(option, "node")) {
947
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
948
            nodenr = nb_numa_nodes;
949
        } else {
950
            nodenr = strtoull(option, NULL, 10);
951
        }
952

    
953
        if (get_param_value(option, 128, "mem", optarg) == 0) {
954
            node_mem[nodenr] = 0;
955
        } else {
956
            int64_t sval;
957
            sval = strtosz(option, &endptr);
958
            if (sval < 0 || *endptr) {
959
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
960
                exit(1);
961
            }
962
            node_mem[nodenr] = sval;
963
        }
964
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
965
            node_cpumask[nodenr] = 0;
966
        } else {
967
            value = strtoull(option, &endptr, 10);
968
            if (value >= 64) {
969
                value = 63;
970
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
971
            } else {
972
                if (*endptr == '-') {
973
                    endvalue = strtoull(endptr+1, &endptr, 10);
974
                    if (endvalue >= 63) {
975
                        endvalue = 62;
976
                        fprintf(stderr,
977
                            "only 63 CPUs in NUMA mode supported.\n");
978
                    }
979
                    value = (2ULL << endvalue) - (1ULL << value);
980
                } else {
981
                    value = 1ULL << value;
982
                }
983
            }
984
            node_cpumask[nodenr] = value;
985
        }
986
        nb_numa_nodes++;
987
    }
988
    return;
989
}
990

    
991
static void smp_parse(const char *optarg)
992
{
993
    int smp, sockets = 0, threads = 0, cores = 0;
994
    char *endptr;
995
    char option[128];
996

    
997
    smp = strtoul(optarg, &endptr, 10);
998
    if (endptr != optarg) {
999
        if (*endptr == ',') {
1000
            endptr++;
1001
        }
1002
    }
1003
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1004
        sockets = strtoull(option, NULL, 10);
1005
    if (get_param_value(option, 128, "cores", endptr) != 0)
1006
        cores = strtoull(option, NULL, 10);
1007
    if (get_param_value(option, 128, "threads", endptr) != 0)
1008
        threads = strtoull(option, NULL, 10);
1009
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1010
        max_cpus = strtoull(option, NULL, 10);
1011

    
1012
    /* compute missing values, prefer sockets over cores over threads */
1013
    if (smp == 0 || sockets == 0) {
1014
        sockets = sockets > 0 ? sockets : 1;
1015
        cores = cores > 0 ? cores : 1;
1016
        threads = threads > 0 ? threads : 1;
1017
        if (smp == 0) {
1018
            smp = cores * threads * sockets;
1019
        }
1020
    } else {
1021
        if (cores == 0) {
1022
            threads = threads > 0 ? threads : 1;
1023
            cores = smp / (sockets * threads);
1024
        } else {
1025
            threads = smp / (cores * sockets);
1026
        }
1027
    }
1028
    smp_cpus = smp;
1029
    smp_cores = cores > 0 ? cores : 1;
1030
    smp_threads = threads > 0 ? threads : 1;
1031
    if (max_cpus == 0)
1032
        max_cpus = smp_cpus;
1033
}
1034

    
1035
/***********************************************************/
1036
/* USB devices */
1037

    
1038
static int usb_device_add(const char *devname)
1039
{
1040
    const char *p;
1041
    USBDevice *dev = NULL;
1042

    
1043
    if (!usb_enabled)
1044
        return -1;
1045

    
1046
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1047
    dev = usbdevice_create(devname);
1048
    if (dev)
1049
        goto done;
1050

    
1051
    /* the other ones */
1052
#ifndef CONFIG_LINUX
1053
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1054
    if (strstart(devname, "host:", &p)) {
1055
        dev = usb_host_device_open(p);
1056
    } else
1057
#endif
1058
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1059
        dev = usb_bt_init(devname[2] ? hci_init(p) :
1060
                        bt_new_hci(qemu_find_bt_vlan(0)));
1061
    } else {
1062
        return -1;
1063
    }
1064
    if (!dev)
1065
        return -1;
1066

    
1067
done:
1068
    return 0;
1069
}
1070

    
1071
static int usb_device_del(const char *devname)
1072
{
1073
    int bus_num, addr;
1074
    const char *p;
1075

    
1076
    if (strstart(devname, "host:", &p))
1077
        return usb_host_device_close(p);
1078

    
1079
    if (!usb_enabled)
1080
        return -1;
1081

    
1082
    p = strchr(devname, '.');
1083
    if (!p)
1084
        return -1;
1085
    bus_num = strtoul(devname, NULL, 0);
1086
    addr = strtoul(p + 1, NULL, 0);
1087

    
1088
    return usb_device_delete_addr(bus_num, addr);
1089
}
1090

    
1091
static int usb_parse(const char *cmdline)
1092
{
1093
    int r;
1094
    r = usb_device_add(cmdline);
1095
    if (r < 0) {
1096
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1097
    }
1098
    return r;
1099
}
1100

    
1101
void do_usb_add(Monitor *mon, const QDict *qdict)
1102
{
1103
    const char *devname = qdict_get_str(qdict, "devname");
1104
    if (usb_device_add(devname) < 0) {
1105
        error_report("could not add USB device '%s'", devname);
1106
    }
1107
}
1108

    
1109
void do_usb_del(Monitor *mon, const QDict *qdict)
1110
{
1111
    const char *devname = qdict_get_str(qdict, "devname");
1112
    if (usb_device_del(devname) < 0) {
1113
        error_report("could not delete USB device '%s'", devname);
1114
    }
1115
}
1116

    
1117
/***********************************************************/
1118
/* PCMCIA/Cardbus */
1119

    
1120
static struct pcmcia_socket_entry_s {
1121
    PCMCIASocket *socket;
1122
    struct pcmcia_socket_entry_s *next;
1123
} *pcmcia_sockets = 0;
1124

    
1125
void pcmcia_socket_register(PCMCIASocket *socket)
1126
{
1127
    struct pcmcia_socket_entry_s *entry;
1128

    
1129
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1130
    entry->socket = socket;
1131
    entry->next = pcmcia_sockets;
1132
    pcmcia_sockets = entry;
1133
}
1134

    
1135
void pcmcia_socket_unregister(PCMCIASocket *socket)
1136
{
1137
    struct pcmcia_socket_entry_s *entry, **ptr;
1138

    
1139
    ptr = &pcmcia_sockets;
1140
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1141
        if (entry->socket == socket) {
1142
            *ptr = entry->next;
1143
            g_free(entry);
1144
        }
1145
}
1146

    
1147
void pcmcia_info(Monitor *mon)
1148
{
1149
    struct pcmcia_socket_entry_s *iter;
1150

    
1151
    if (!pcmcia_sockets)
1152
        monitor_printf(mon, "No PCMCIA sockets\n");
1153

    
1154
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1155
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1156
                       iter->socket->attached ? iter->socket->card_string :
1157
                       "Empty");
1158
}
1159

    
1160
/***********************************************************/
1161
/* machine registration */
1162

    
1163
static QEMUMachine *first_machine = NULL;
1164
QEMUMachine *current_machine = NULL;
1165

    
1166
int qemu_register_machine(QEMUMachine *m)
1167
{
1168
    QEMUMachine **pm;
1169
    pm = &first_machine;
1170
    while (*pm != NULL)
1171
        pm = &(*pm)->next;
1172
    m->next = NULL;
1173
    *pm = m;
1174
    return 0;
1175
}
1176

    
1177
static QEMUMachine *find_machine(const char *name)
1178
{
1179
    QEMUMachine *m;
1180

    
1181
    for(m = first_machine; m != NULL; m = m->next) {
1182
        if (!strcmp(m->name, name))
1183
            return m;
1184
        if (m->alias && !strcmp(m->alias, name))
1185
            return m;
1186
    }
1187
    return NULL;
1188
}
1189

    
1190
QEMUMachine *find_default_machine(void)
1191
{
1192
    QEMUMachine *m;
1193

    
1194
    for(m = first_machine; m != NULL; m = m->next) {
1195
        if (m->is_default) {
1196
            return m;
1197
        }
1198
    }
1199
    return NULL;
1200
}
1201

    
1202
/***********************************************************/
1203
/* main execution loop */
1204

    
1205
static void gui_update(void *opaque)
1206
{
1207
    uint64_t interval = GUI_REFRESH_INTERVAL;
1208
    DisplayState *ds = opaque;
1209
    DisplayChangeListener *dcl = ds->listeners;
1210

    
1211
    dpy_refresh(ds);
1212

    
1213
    while (dcl != NULL) {
1214
        if (dcl->gui_timer_interval &&
1215
            dcl->gui_timer_interval < interval)
1216
            interval = dcl->gui_timer_interval;
1217
        dcl = dcl->next;
1218
    }
1219
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1220
}
1221

    
1222
struct vm_change_state_entry {
1223
    VMChangeStateHandler *cb;
1224
    void *opaque;
1225
    QLIST_ENTRY (vm_change_state_entry) entries;
1226
};
1227

    
1228
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1229

    
1230
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1231
                                                     void *opaque)
1232
{
1233
    VMChangeStateEntry *e;
1234

    
1235
    e = g_malloc0(sizeof (*e));
1236

    
1237
    e->cb = cb;
1238
    e->opaque = opaque;
1239
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1240
    return e;
1241
}
1242

    
1243
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1244
{
1245
    QLIST_REMOVE (e, entries);
1246
    g_free (e);
1247
}
1248

    
1249
void vm_state_notify(int running, RunState state)
1250
{
1251
    VMChangeStateEntry *e;
1252

    
1253
    trace_vm_state_notify(running, state);
1254

    
1255
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1256
        e->cb(e->opaque, running, state);
1257
    }
1258
}
1259

    
1260
void vm_start(void)
1261
{
1262
    if (!runstate_is_running()) {
1263
        cpu_enable_ticks();
1264
        runstate_set(RUN_STATE_RUNNING);
1265
        vm_state_notify(1, RUN_STATE_RUNNING);
1266
        resume_all_vcpus();
1267
        monitor_protocol_event(QEVENT_RESUME, NULL);
1268
    }
1269
}
1270

    
1271
/* reset/shutdown handler */
1272

    
1273
typedef struct QEMUResetEntry {
1274
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1275
    QEMUResetHandler *func;
1276
    void *opaque;
1277
} QEMUResetEntry;
1278

    
1279
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1280
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1281
static int reset_requested;
1282
static int shutdown_requested, shutdown_signal = -1;
1283
static pid_t shutdown_pid;
1284
static int powerdown_requested;
1285
static int debug_requested;
1286
static int suspend_requested;
1287
static bool is_suspended;
1288
static NotifierList suspend_notifiers =
1289
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1290
static NotifierList wakeup_notifiers =
1291
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1292
static uint32_t wakeup_reason_mask = ~0;
1293
static RunState vmstop_requested = RUN_STATE_MAX;
1294

    
1295
int qemu_shutdown_requested_get(void)
1296
{
1297
    return shutdown_requested;
1298
}
1299

    
1300
int qemu_reset_requested_get(void)
1301
{
1302
    return reset_requested;
1303
}
1304

    
1305
int qemu_shutdown_requested(void)
1306
{
1307
    int r = shutdown_requested;
1308
    shutdown_requested = 0;
1309
    return r;
1310
}
1311

    
1312
void qemu_kill_report(void)
1313
{
1314
    if (shutdown_signal != -1) {
1315
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1316
        if (shutdown_pid == 0) {
1317
            /* This happens for eg ^C at the terminal, so it's worth
1318
             * avoiding printing an odd message in that case.
1319
             */
1320
            fputc('\n', stderr);
1321
        } else {
1322
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1323
        }
1324
        shutdown_signal = -1;
1325
    }
1326
}
1327

    
1328
int qemu_reset_requested(void)
1329
{
1330
    int r = reset_requested;
1331
    reset_requested = 0;
1332
    return r;
1333
}
1334

    
1335
static int qemu_suspend_requested(void)
1336
{
1337
    int r = suspend_requested;
1338
    suspend_requested = 0;
1339
    return r;
1340
}
1341

    
1342
int qemu_powerdown_requested(void)
1343
{
1344
    int r = powerdown_requested;
1345
    powerdown_requested = 0;
1346
    return r;
1347
}
1348

    
1349
static int qemu_debug_requested(void)
1350
{
1351
    int r = debug_requested;
1352
    debug_requested = 0;
1353
    return r;
1354
}
1355

    
1356
/* We use RUN_STATE_MAX but any invalid value will do */
1357
static bool qemu_vmstop_requested(RunState *r)
1358
{
1359
    if (vmstop_requested < RUN_STATE_MAX) {
1360
        *r = vmstop_requested;
1361
        vmstop_requested = RUN_STATE_MAX;
1362
        return true;
1363
    }
1364

    
1365
    return false;
1366
}
1367

    
1368
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1369
{
1370
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1371

    
1372
    re->func = func;
1373
    re->opaque = opaque;
1374
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1375
}
1376

    
1377
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1378
{
1379
    QEMUResetEntry *re;
1380

    
1381
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1382
        if (re->func == func && re->opaque == opaque) {
1383
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1384
            g_free(re);
1385
            return;
1386
        }
1387
    }
1388
}
1389

    
1390
void qemu_system_reset(bool report)
1391
{
1392
    QEMUResetEntry *re, *nre;
1393

    
1394
    /* reset all devices */
1395
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1396
        re->func(re->opaque);
1397
    }
1398
    if (report) {
1399
        monitor_protocol_event(QEVENT_RESET, NULL);
1400
    }
1401
    cpu_synchronize_all_post_reset();
1402
}
1403

    
1404
void qemu_system_reset_request(void)
1405
{
1406
    if (no_reboot) {
1407
        shutdown_requested = 1;
1408
    } else {
1409
        reset_requested = 1;
1410
    }
1411
    cpu_stop_current();
1412
    qemu_notify_event();
1413
}
1414

    
1415
static void qemu_system_suspend(void)
1416
{
1417
    pause_all_vcpus();
1418
    notifier_list_notify(&suspend_notifiers, NULL);
1419
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1420
    is_suspended = true;
1421
}
1422

    
1423
void qemu_system_suspend_request(void)
1424
{
1425
    if (is_suspended) {
1426
        return;
1427
    }
1428
    suspend_requested = 1;
1429
    cpu_stop_current();
1430
    qemu_notify_event();
1431
}
1432

    
1433
void qemu_register_suspend_notifier(Notifier *notifier)
1434
{
1435
    notifier_list_add(&suspend_notifiers, notifier);
1436
}
1437

    
1438
void qemu_system_wakeup_request(WakeupReason reason)
1439
{
1440
    if (!is_suspended) {
1441
        return;
1442
    }
1443
    if (!(wakeup_reason_mask & (1 << reason))) {
1444
        return;
1445
    }
1446
    monitor_protocol_event(QEVENT_WAKEUP, NULL);
1447
    notifier_list_notify(&wakeup_notifiers, &reason);
1448
    reset_requested = 1;
1449
    qemu_notify_event();
1450
    is_suspended = false;
1451
}
1452

    
1453
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1454
{
1455
    if (enabled) {
1456
        wakeup_reason_mask |= (1 << reason);
1457
    } else {
1458
        wakeup_reason_mask &= ~(1 << reason);
1459
    }
1460
}
1461

    
1462
void qemu_register_wakeup_notifier(Notifier *notifier)
1463
{
1464
    notifier_list_add(&wakeup_notifiers, notifier);
1465
}
1466

    
1467
void qemu_system_killed(int signal, pid_t pid)
1468
{
1469
    shutdown_signal = signal;
1470
    shutdown_pid = pid;
1471
    no_shutdown = 0;
1472
    qemu_system_shutdown_request();
1473
}
1474

    
1475
void qemu_system_shutdown_request(void)
1476
{
1477
    shutdown_requested = 1;
1478
    qemu_notify_event();
1479
}
1480

    
1481
void qemu_system_powerdown_request(void)
1482
{
1483
    powerdown_requested = 1;
1484
    qemu_notify_event();
1485
}
1486

    
1487
void qemu_system_debug_request(void)
1488
{
1489
    debug_requested = 1;
1490
    qemu_notify_event();
1491
}
1492

    
1493
void qemu_system_vmstop_request(RunState state)
1494
{
1495
    vmstop_requested = state;
1496
    qemu_notify_event();
1497
}
1498

    
1499
qemu_irq qemu_system_powerdown;
1500

    
1501
static bool main_loop_should_exit(void)
1502
{
1503
    RunState r;
1504
    if (qemu_debug_requested()) {
1505
        vm_stop(RUN_STATE_DEBUG);
1506
    }
1507
    if (qemu_suspend_requested()) {
1508
        qemu_system_suspend();
1509
    }
1510
    if (qemu_shutdown_requested()) {
1511
        qemu_kill_report();
1512
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1513
        if (no_shutdown) {
1514
            vm_stop(RUN_STATE_SHUTDOWN);
1515
        } else {
1516
            return true;
1517
        }
1518
    }
1519
    if (qemu_reset_requested()) {
1520
        pause_all_vcpus();
1521
        cpu_synchronize_all_states();
1522
        qemu_system_reset(VMRESET_REPORT);
1523
        resume_all_vcpus();
1524
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1525
            runstate_check(RUN_STATE_SHUTDOWN)) {
1526
            runstate_set(RUN_STATE_PAUSED);
1527
        }
1528
    }
1529
    if (qemu_powerdown_requested()) {
1530
        monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1531
        qemu_irq_raise(qemu_system_powerdown);
1532
    }
1533
    if (qemu_vmstop_requested(&r)) {
1534
        vm_stop(r);
1535
    }
1536
    return false;
1537
}
1538

    
1539
static void main_loop(void)
1540
{
1541
    bool nonblocking;
1542
    int last_io = 0;
1543
#ifdef CONFIG_PROFILER
1544
    int64_t ti;
1545
#endif
1546
    do {
1547
        nonblocking = !kvm_enabled() && last_io > 0;
1548
#ifdef CONFIG_PROFILER
1549
        ti = profile_getclock();
1550
#endif
1551
        last_io = main_loop_wait(nonblocking);
1552
#ifdef CONFIG_PROFILER
1553
        dev_time += profile_getclock() - ti;
1554
#endif
1555
    } while (!main_loop_should_exit());
1556
}
1557

    
1558
static void version(void)
1559
{
1560
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1561
}
1562

    
1563
static void help(int exitcode)
1564
{
1565
    version();
1566
    printf("usage: %s [options] [disk_image]\n\n"
1567
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1568
            error_get_progname());
1569

    
1570
#define QEMU_OPTIONS_GENERATE_HELP
1571
#include "qemu-options-wrapper.h"
1572

    
1573
    printf("\nDuring emulation, the following keys are useful:\n"
1574
           "ctrl-alt-f      toggle full screen\n"
1575
           "ctrl-alt-n      switch to virtual console 'n'\n"
1576
           "ctrl-alt        toggle mouse and keyboard grab\n"
1577
           "\n"
1578
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1579

    
1580
    exit(exitcode);
1581
}
1582

    
1583
#define HAS_ARG 0x0001
1584

    
1585
typedef struct QEMUOption {
1586
    const char *name;
1587
    int flags;
1588
    int index;
1589
    uint32_t arch_mask;
1590
} QEMUOption;
1591

    
1592
static const QEMUOption qemu_options[] = {
1593
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1594
#define QEMU_OPTIONS_GENERATE_OPTIONS
1595
#include "qemu-options-wrapper.h"
1596
    { NULL },
1597
};
1598

    
1599
static bool vga_available(void)
1600
{
1601
    return qdev_exists("VGA") || qdev_exists("isa-vga");
1602
}
1603

    
1604
static bool cirrus_vga_available(void)
1605
{
1606
    return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1607
}
1608

    
1609
static bool vmware_vga_available(void)
1610
{
1611
    return qdev_exists("vmware-svga");
1612
}
1613

    
1614
static void select_vgahw (const char *p)
1615
{
1616
    const char *opts;
1617

    
1618
    vga_interface_type = VGA_NONE;
1619
    if (strstart(p, "std", &opts)) {
1620
        if (vga_available()) {
1621
            vga_interface_type = VGA_STD;
1622
        } else {
1623
            fprintf(stderr, "Error: standard VGA not available\n");
1624
            exit(0);
1625
        }
1626
    } else if (strstart(p, "cirrus", &opts)) {
1627
        if (cirrus_vga_available()) {
1628
            vga_interface_type = VGA_CIRRUS;
1629
        } else {
1630
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1631
            exit(0);
1632
        }
1633
    } else if (strstart(p, "vmware", &opts)) {
1634
        if (vmware_vga_available()) {
1635
            vga_interface_type = VGA_VMWARE;
1636
        } else {
1637
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1638
            exit(0);
1639
        }
1640
    } else if (strstart(p, "xenfb", &opts)) {
1641
        vga_interface_type = VGA_XENFB;
1642
    } else if (strstart(p, "qxl", &opts)) {
1643
        vga_interface_type = VGA_QXL;
1644
    } else if (!strstart(p, "none", &opts)) {
1645
    invalid_vga:
1646
        fprintf(stderr, "Unknown vga type: %s\n", p);
1647
        exit(1);
1648
    }
1649
    while (*opts) {
1650
        const char *nextopt;
1651

    
1652
        if (strstart(opts, ",retrace=", &nextopt)) {
1653
            opts = nextopt;
1654
            if (strstart(opts, "dumb", &nextopt))
1655
                vga_retrace_method = VGA_RETRACE_DUMB;
1656
            else if (strstart(opts, "precise", &nextopt))
1657
                vga_retrace_method = VGA_RETRACE_PRECISE;
1658
            else goto invalid_vga;
1659
        } else goto invalid_vga;
1660
        opts = nextopt;
1661
    }
1662
}
1663

    
1664
static DisplayType select_display(const char *p)
1665
{
1666
    const char *opts;
1667
    DisplayType display = DT_DEFAULT;
1668

    
1669
    if (strstart(p, "sdl", &opts)) {
1670
#ifdef CONFIG_SDL
1671
        display = DT_SDL;
1672
        while (*opts) {
1673
            const char *nextopt;
1674

    
1675
            if (strstart(opts, ",frame=", &nextopt)) {
1676
                opts = nextopt;
1677
                if (strstart(opts, "on", &nextopt)) {
1678
                    no_frame = 0;
1679
                } else if (strstart(opts, "off", &nextopt)) {
1680
                    no_frame = 1;
1681
                } else {
1682
                    goto invalid_sdl_args;
1683
                }
1684
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1685
                opts = nextopt;
1686
                if (strstart(opts, "on", &nextopt)) {
1687
                    alt_grab = 1;
1688
                } else if (strstart(opts, "off", &nextopt)) {
1689
                    alt_grab = 0;
1690
                } else {
1691
                    goto invalid_sdl_args;
1692
                }
1693
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1694
                opts = nextopt;
1695
                if (strstart(opts, "on", &nextopt)) {
1696
                    ctrl_grab = 1;
1697
                } else if (strstart(opts, "off", &nextopt)) {
1698
                    ctrl_grab = 0;
1699
                } else {
1700
                    goto invalid_sdl_args;
1701
                }
1702
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1703
                opts = nextopt;
1704
                if (strstart(opts, "on", &nextopt)) {
1705
                    no_quit = 0;
1706
                } else if (strstart(opts, "off", &nextopt)) {
1707
                    no_quit = 1;
1708
                } else {
1709
                    goto invalid_sdl_args;
1710
                }
1711
            } else {
1712
            invalid_sdl_args:
1713
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1714
                exit(1);
1715
            }
1716
            opts = nextopt;
1717
        }
1718
#else
1719
        fprintf(stderr, "SDL support is disabled\n");
1720
        exit(1);
1721
#endif
1722
    } else if (strstart(p, "vnc", &opts)) {
1723
#ifdef CONFIG_VNC
1724
        display_remote++;
1725

    
1726
        if (*opts) {
1727
            const char *nextopt;
1728

    
1729
            if (strstart(opts, "=", &nextopt)) {
1730
                vnc_display = nextopt;
1731
            }
1732
        }
1733
        if (!vnc_display) {
1734
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1735
            exit(1);
1736
        }
1737
#else
1738
        fprintf(stderr, "VNC support is disabled\n");
1739
        exit(1);
1740
#endif
1741
    } else if (strstart(p, "curses", &opts)) {
1742
#ifdef CONFIG_CURSES
1743
        display = DT_CURSES;
1744
#else
1745
        fprintf(stderr, "Curses support is disabled\n");
1746
        exit(1);
1747
#endif
1748
    } else if (strstart(p, "none", &opts)) {
1749
        display = DT_NONE;
1750
    } else {
1751
        fprintf(stderr, "Unknown display type: %s\n", p);
1752
        exit(1);
1753
    }
1754

    
1755
    return display;
1756
}
1757

    
1758
static int balloon_parse(const char *arg)
1759
{
1760
    QemuOpts *opts;
1761

    
1762
    if (strcmp(arg, "none") == 0) {
1763
        return 0;
1764
    }
1765

    
1766
    if (!strncmp(arg, "virtio", 6)) {
1767
        if (arg[6] == ',') {
1768
            /* have params -> parse them */
1769
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1770
            if (!opts)
1771
                return  -1;
1772
        } else {
1773
            /* create empty opts */
1774
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1775
        }
1776
        qemu_opt_set(opts, "driver", "virtio-balloon");
1777
        return 0;
1778
    }
1779

    
1780
    return -1;
1781
}
1782

    
1783
char *qemu_find_file(int type, const char *name)
1784
{
1785
    int len;
1786
    const char *subdir;
1787
    char *buf;
1788

    
1789
    /* If name contains path separators then try it as a straight path.  */
1790
    if ((strchr(name, '/') || strchr(name, '\\'))
1791
        && access(name, R_OK) == 0) {
1792
        return g_strdup(name);
1793
    }
1794
    switch (type) {
1795
    case QEMU_FILE_TYPE_BIOS:
1796
        subdir = "";
1797
        break;
1798
    case QEMU_FILE_TYPE_KEYMAP:
1799
        subdir = "keymaps/";
1800
        break;
1801
    default:
1802
        abort();
1803
    }
1804
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1805
    buf = g_malloc0(len);
1806
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1807
    if (access(buf, R_OK)) {
1808
        g_free(buf);
1809
        return NULL;
1810
    }
1811
    return buf;
1812
}
1813

    
1814
static int device_help_func(QemuOpts *opts, void *opaque)
1815
{
1816
    return qdev_device_help(opts);
1817
}
1818

    
1819
static int device_init_func(QemuOpts *opts, void *opaque)
1820
{
1821
    DeviceState *dev;
1822

    
1823
    dev = qdev_device_add(opts);
1824
    if (!dev)
1825
        return -1;
1826
    return 0;
1827
}
1828

    
1829
static int chardev_init_func(QemuOpts *opts, void *opaque)
1830
{
1831
    CharDriverState *chr;
1832

    
1833
    chr = qemu_chr_new_from_opts(opts, NULL);
1834
    if (!chr)
1835
        return -1;
1836
    return 0;
1837
}
1838

    
1839
#ifdef CONFIG_VIRTFS
1840
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1841
{
1842
    int ret;
1843
    ret = qemu_fsdev_add(opts);
1844

    
1845
    return ret;
1846
}
1847
#endif
1848

    
1849
static int mon_init_func(QemuOpts *opts, void *opaque)
1850
{
1851
    CharDriverState *chr;
1852
    const char *chardev;
1853
    const char *mode;
1854
    int flags;
1855

    
1856
    mode = qemu_opt_get(opts, "mode");
1857
    if (mode == NULL) {
1858
        mode = "readline";
1859
    }
1860
    if (strcmp(mode, "readline") == 0) {
1861
        flags = MONITOR_USE_READLINE;
1862
    } else if (strcmp(mode, "control") == 0) {
1863
        flags = MONITOR_USE_CONTROL;
1864
    } else {
1865
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1866
        exit(1);
1867
    }
1868

    
1869
    if (qemu_opt_get_bool(opts, "pretty", 0))
1870
        flags |= MONITOR_USE_PRETTY;
1871

    
1872
    if (qemu_opt_get_bool(opts, "default", 0))
1873
        flags |= MONITOR_IS_DEFAULT;
1874

    
1875
    chardev = qemu_opt_get(opts, "chardev");
1876
    chr = qemu_chr_find(chardev);
1877
    if (chr == NULL) {
1878
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1879
        exit(1);
1880
    }
1881

    
1882
    monitor_init(chr, flags);
1883
    return 0;
1884
}
1885

    
1886
static void monitor_parse(const char *optarg, const char *mode)
1887
{
1888
    static int monitor_device_index = 0;
1889
    QemuOpts *opts;
1890
    const char *p;
1891
    char label[32];
1892
    int def = 0;
1893

    
1894
    if (strstart(optarg, "chardev:", &p)) {
1895
        snprintf(label, sizeof(label), "%s", p);
1896
    } else {
1897
        snprintf(label, sizeof(label), "compat_monitor%d",
1898
                 monitor_device_index);
1899
        if (monitor_device_index == 0) {
1900
            def = 1;
1901
        }
1902
        opts = qemu_chr_parse_compat(label, optarg);
1903
        if (!opts) {
1904
            fprintf(stderr, "parse error: %s\n", optarg);
1905
            exit(1);
1906
        }
1907
    }
1908

    
1909
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1910
    if (!opts) {
1911
        fprintf(stderr, "duplicate chardev: %s\n", label);
1912
        exit(1);
1913
    }
1914
    qemu_opt_set(opts, "mode", mode);
1915
    qemu_opt_set(opts, "chardev", label);
1916
    if (def)
1917
        qemu_opt_set(opts, "default", "on");
1918
    monitor_device_index++;
1919
}
1920

    
1921
struct device_config {
1922
    enum {
1923
        DEV_USB,       /* -usbdevice     */
1924
        DEV_BT,        /* -bt            */
1925
        DEV_SERIAL,    /* -serial        */
1926
        DEV_PARALLEL,  /* -parallel      */
1927
        DEV_VIRTCON,   /* -virtioconsole */
1928
        DEV_DEBUGCON,  /* -debugcon */
1929
        DEV_GDB,       /* -gdb, -s */
1930
    } type;
1931
    const char *cmdline;
1932
    Location loc;
1933
    QTAILQ_ENTRY(device_config) next;
1934
};
1935
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1936

    
1937
static void add_device_config(int type, const char *cmdline)
1938
{
1939
    struct device_config *conf;
1940

    
1941
    conf = g_malloc0(sizeof(*conf));
1942
    conf->type = type;
1943
    conf->cmdline = cmdline;
1944
    loc_save(&conf->loc);
1945
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1946
}
1947

    
1948
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1949
{
1950
    struct device_config *conf;
1951
    int rc;
1952

    
1953
    QTAILQ_FOREACH(conf, &device_configs, next) {
1954
        if (conf->type != type)
1955
            continue;
1956
        loc_push_restore(&conf->loc);
1957
        rc = func(conf->cmdline);
1958
        loc_pop(&conf->loc);
1959
        if (0 != rc)
1960
            return rc;
1961
    }
1962
    return 0;
1963
}
1964

    
1965
static int serial_parse(const char *devname)
1966
{
1967
    static int index = 0;
1968
    char label[32];
1969

    
1970
    if (strcmp(devname, "none") == 0)
1971
        return 0;
1972
    if (index == MAX_SERIAL_PORTS) {
1973
        fprintf(stderr, "qemu: too many serial ports\n");
1974
        exit(1);
1975
    }
1976
    snprintf(label, sizeof(label), "serial%d", index);
1977
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
1978
    if (!serial_hds[index]) {
1979
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1980
                devname, strerror(errno));
1981
        return -1;
1982
    }
1983
    index++;
1984
    return 0;
1985
}
1986

    
1987
static int parallel_parse(const char *devname)
1988
{
1989
    static int index = 0;
1990
    char label[32];
1991

    
1992
    if (strcmp(devname, "none") == 0)
1993
        return 0;
1994
    if (index == MAX_PARALLEL_PORTS) {
1995
        fprintf(stderr, "qemu: too many parallel ports\n");
1996
        exit(1);
1997
    }
1998
    snprintf(label, sizeof(label), "parallel%d", index);
1999
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2000
    if (!parallel_hds[index]) {
2001
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2002
                devname, strerror(errno));
2003
        return -1;
2004
    }
2005
    index++;
2006
    return 0;
2007
}
2008

    
2009
static int virtcon_parse(const char *devname)
2010
{
2011
    QemuOptsList *device = qemu_find_opts("device");
2012
    static int index = 0;
2013
    char label[32];
2014
    QemuOpts *bus_opts, *dev_opts;
2015

    
2016
    if (strcmp(devname, "none") == 0)
2017
        return 0;
2018
    if (index == MAX_VIRTIO_CONSOLES) {
2019
        fprintf(stderr, "qemu: too many virtio consoles\n");
2020
        exit(1);
2021
    }
2022

    
2023
    bus_opts = qemu_opts_create(device, NULL, 0);
2024
    if (arch_type == QEMU_ARCH_S390X) {
2025
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2026
    } else {
2027
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2028
    } 
2029

    
2030
    dev_opts = qemu_opts_create(device, NULL, 0);
2031
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2032

    
2033
    snprintf(label, sizeof(label), "virtcon%d", index);
2034
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2035
    if (!virtcon_hds[index]) {
2036
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2037
                devname, strerror(errno));
2038
        return -1;
2039
    }
2040
    qemu_opt_set(dev_opts, "chardev", label);
2041

    
2042
    index++;
2043
    return 0;
2044
}
2045

    
2046
static int debugcon_parse(const char *devname)
2047
{   
2048
    QemuOpts *opts;
2049

    
2050
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2051
        exit(1);
2052
    }
2053
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2054
    if (!opts) {
2055
        fprintf(stderr, "qemu: already have a debugcon device\n");
2056
        exit(1);
2057
    }
2058
    qemu_opt_set(opts, "driver", "isa-debugcon");
2059
    qemu_opt_set(opts, "chardev", "debugcon");
2060
    return 0;
2061
}
2062

    
2063
static QEMUMachine *machine_parse(const char *name)
2064
{
2065
    QEMUMachine *m, *machine = NULL;
2066

    
2067
    if (name) {
2068
        machine = find_machine(name);
2069
    }
2070
    if (machine) {
2071
        return machine;
2072
    }
2073
    printf("Supported machines are:\n");
2074
    for (m = first_machine; m != NULL; m = m->next) {
2075
        if (m->alias) {
2076
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2077
        }
2078
        printf("%-20s %s%s\n", m->name, m->desc,
2079
               m->is_default ? " (default)" : "");
2080
    }
2081
    exit(!name || *name != '?');
2082
}
2083

    
2084
static int tcg_init(void)
2085
{
2086
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2087
    return 0;
2088
}
2089

    
2090
static struct {
2091
    const char *opt_name;
2092
    const char *name;
2093
    int (*available)(void);
2094
    int (*init)(void);
2095
    int *allowed;
2096
} accel_list[] = {
2097
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2098
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2099
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2100
};
2101

    
2102
static int configure_accelerator(void)
2103
{
2104
    const char *p = NULL;
2105
    char buf[10];
2106
    int i, ret;
2107
    bool accel_initialised = 0;
2108
    bool init_failed = 0;
2109

    
2110
    QemuOptsList *list = qemu_find_opts("machine");
2111
    if (!QTAILQ_EMPTY(&list->head)) {
2112
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2113
    }
2114

    
2115
    if (p == NULL) {
2116
        /* Use the default "accelerator", tcg */
2117
        p = "tcg";
2118
    }
2119

    
2120
    while (!accel_initialised && *p != '\0') {
2121
        if (*p == ':') {
2122
            p++;
2123
        }
2124
        p = get_opt_name(buf, sizeof (buf), p, ':');
2125
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2126
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2127
                *(accel_list[i].allowed) = 1;
2128
                ret = accel_list[i].init();
2129
                if (ret < 0) {
2130
                    init_failed = 1;
2131
                    if (!accel_list[i].available()) {
2132
                        printf("%s not supported for this target\n",
2133
                               accel_list[i].name);
2134
                    } else {
2135
                        fprintf(stderr, "failed to initialize %s: %s\n",
2136
                                accel_list[i].name,
2137
                                strerror(-ret));
2138
                    }
2139
                    *(accel_list[i].allowed) = 0;
2140
                } else {
2141
                    accel_initialised = 1;
2142
                }
2143
                break;
2144
            }
2145
        }
2146
        if (i == ARRAY_SIZE(accel_list)) {
2147
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2148
        }
2149
    }
2150

    
2151
    if (!accel_initialised) {
2152
        fprintf(stderr, "No accelerator found!\n");
2153
        exit(1);
2154
    }
2155

    
2156
    if (init_failed) {
2157
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2158
    }
2159

    
2160
    return !accel_initialised;
2161
}
2162

    
2163
void qemu_add_exit_notifier(Notifier *notify)
2164
{
2165
    notifier_list_add(&exit_notifiers, notify);
2166
}
2167

    
2168
void qemu_remove_exit_notifier(Notifier *notify)
2169
{
2170
    notifier_remove(notify);
2171
}
2172

    
2173
static void qemu_run_exit_notifiers(void)
2174
{
2175
    notifier_list_notify(&exit_notifiers, NULL);
2176
}
2177

    
2178
void qemu_add_machine_init_done_notifier(Notifier *notify)
2179
{
2180
    notifier_list_add(&machine_init_done_notifiers, notify);
2181
}
2182

    
2183
static void qemu_run_machine_init_done_notifiers(void)
2184
{
2185
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2186
}
2187

    
2188
static const QEMUOption *lookup_opt(int argc, char **argv,
2189
                                    const char **poptarg, int *poptind)
2190
{
2191
    const QEMUOption *popt;
2192
    int optind = *poptind;
2193
    char *r = argv[optind];
2194
    const char *optarg;
2195

    
2196
    loc_set_cmdline(argv, optind, 1);
2197
    optind++;
2198
    /* Treat --foo the same as -foo.  */
2199
    if (r[1] == '-')
2200
        r++;
2201
    popt = qemu_options;
2202
    for(;;) {
2203
        if (!popt->name) {
2204
            error_report("invalid option");
2205
            exit(1);
2206
        }
2207
        if (!strcmp(popt->name, r + 1))
2208
            break;
2209
        popt++;
2210
    }
2211
    if (popt->flags & HAS_ARG) {
2212
        if (optind >= argc) {
2213
            error_report("requires an argument");
2214
            exit(1);
2215
        }
2216
        optarg = argv[optind++];
2217
        loc_set_cmdline(argv, optind - 2, 2);
2218
    } else {
2219
        optarg = NULL;
2220
    }
2221

    
2222
    *poptarg = optarg;
2223
    *poptind = optind;
2224

    
2225
    return popt;
2226
}
2227

    
2228
static gpointer malloc_and_trace(gsize n_bytes)
2229
{
2230
    void *ptr = malloc(n_bytes);
2231
    trace_g_malloc(n_bytes, ptr);
2232
    return ptr;
2233
}
2234

    
2235
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2236
{
2237
    void *ptr = realloc(mem, n_bytes);
2238
    trace_g_realloc(mem, n_bytes, ptr);
2239
    return ptr;
2240
}
2241

    
2242
static void free_and_trace(gpointer mem)
2243
{
2244
    trace_g_free(mem);
2245
    free(mem);
2246
}
2247

    
2248
int qemu_init_main_loop(void)
2249
{
2250
    return main_loop_init();
2251
}
2252

    
2253
int main(int argc, char **argv, char **envp)
2254
{
2255
    int i;
2256
    int snapshot, linux_boot;
2257
    const char *icount_option = NULL;
2258
    const char *initrd_filename;
2259
    const char *kernel_filename, *kernel_cmdline;
2260
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2261
    DisplayState *ds;
2262
    DisplayChangeListener *dcl;
2263
    int cyls, heads, secs, translation;
2264
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2265
    QemuOptsList *olist;
2266
    int optind;
2267
    const char *optarg;
2268
    const char *loadvm = NULL;
2269
    QEMUMachine *machine;
2270
    const char *cpu_model;
2271
    const char *vga_model = NULL;
2272
    const char *pid_file = NULL;
2273
    const char *incoming = NULL;
2274
#ifdef CONFIG_VNC
2275
    int show_vnc_port = 0;
2276
#endif
2277
    int defconfig = 1;
2278
    const char *log_mask = NULL;
2279
    const char *log_file = NULL;
2280
    GMemVTable mem_trace = {
2281
        .malloc = malloc_and_trace,
2282
        .realloc = realloc_and_trace,
2283
        .free = free_and_trace,
2284
    };
2285
    const char *trace_events = NULL;
2286
    const char *trace_file = NULL;
2287

    
2288
    atexit(qemu_run_exit_notifiers);
2289
    error_set_progname(argv[0]);
2290

    
2291
    g_mem_set_vtable(&mem_trace);
2292
    if (!g_thread_supported()) {
2293
#if !GLIB_CHECK_VERSION(2, 31, 0)
2294
        g_thread_init(NULL);
2295
#else
2296
        fprintf(stderr, "glib threading failed to initialize.\n");
2297
        exit(1);
2298
#endif
2299
    }
2300

    
2301
    runstate_init();
2302

    
2303
    init_clocks();
2304
    rtc_clock = host_clock;
2305

    
2306
    qemu_cache_utils_init(envp);
2307

    
2308
    QLIST_INIT (&vm_change_state_head);
2309
    os_setup_early_signal_handling();
2310

    
2311
    module_call_init(MODULE_INIT_MACHINE);
2312
    machine = find_default_machine();
2313
    cpu_model = NULL;
2314
    ram_size = 0;
2315
    snapshot = 0;
2316
    cyls = heads = secs = 0;
2317
    translation = BIOS_ATA_TRANSLATION_AUTO;
2318

    
2319
    for (i = 0; i < MAX_NODES; i++) {
2320
        node_mem[i] = 0;
2321
        node_cpumask[i] = 0;
2322
    }
2323

    
2324
    nb_numa_nodes = 0;
2325
    nb_nics = 0;
2326

    
2327
    autostart= 1;
2328

    
2329
    /* first pass of option parsing */
2330
    optind = 1;
2331
    while (optind < argc) {
2332
        if (argv[optind][0] != '-') {
2333
            /* disk image */
2334
            optind++;
2335
            continue;
2336
        } else {
2337
            const QEMUOption *popt;
2338

    
2339
            popt = lookup_opt(argc, argv, &optarg, &optind);
2340
            switch (popt->index) {
2341
            case QEMU_OPTION_nodefconfig:
2342
                defconfig=0;
2343
                break;
2344
            }
2345
        }
2346
    }
2347

    
2348
    if (defconfig) {
2349
        int ret;
2350

    
2351
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2352
        if (ret < 0 && ret != -ENOENT) {
2353
            exit(1);
2354
        }
2355

    
2356
        ret = qemu_read_config_file(arch_config_name);
2357
        if (ret < 0 && ret != -ENOENT) {
2358
            exit(1);
2359
        }
2360
    }
2361
    cpudef_init();
2362

    
2363
    /* second pass of option parsing */
2364
    optind = 1;
2365
    for(;;) {
2366
        if (optind >= argc)
2367
            break;
2368
        if (argv[optind][0] != '-') {
2369
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2370
        } else {
2371
            const QEMUOption *popt;
2372

    
2373
            popt = lookup_opt(argc, argv, &optarg, &optind);
2374
            if (!(popt->arch_mask & arch_type)) {
2375
                printf("Option %s not supported for this target\n", popt->name);
2376
                exit(1);
2377
            }
2378
            switch(popt->index) {
2379
            case QEMU_OPTION_M:
2380
                machine = machine_parse(optarg);
2381
                break;
2382
            case QEMU_OPTION_cpu:
2383
                /* hw initialization will check this */
2384
                if (*optarg == '?') {
2385
                    list_cpus(stdout, &fprintf, optarg);
2386
                    exit(0);
2387
                } else {
2388
                    cpu_model = optarg;
2389
                }
2390
                break;
2391
            case QEMU_OPTION_hda:
2392
                {
2393
                    char buf[256];
2394
                    if (cyls == 0)
2395
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2396
                    else
2397
                        snprintf(buf, sizeof(buf),
2398
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2399
                                 HD_OPTS , cyls, heads, secs,
2400
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2401
                                 ",trans=lba" :
2402
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2403
                                 ",trans=none" : "");
2404
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2405
                    break;
2406
                }
2407
            case QEMU_OPTION_hdb:
2408
            case QEMU_OPTION_hdc:
2409
            case QEMU_OPTION_hdd:
2410
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2411
                          HD_OPTS);
2412
                break;
2413
            case QEMU_OPTION_drive:
2414
                if (drive_def(optarg) == NULL) {
2415
                    exit(1);
2416
                }
2417
                break;
2418
            case QEMU_OPTION_set:
2419
                if (qemu_set_option(optarg) != 0)
2420
                    exit(1);
2421
                break;
2422
            case QEMU_OPTION_global:
2423
                if (qemu_global_option(optarg) != 0)
2424
                    exit(1);
2425
                break;
2426
            case QEMU_OPTION_mtdblock:
2427
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2428
                break;
2429
            case QEMU_OPTION_sd:
2430
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2431
                break;
2432
            case QEMU_OPTION_pflash:
2433
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2434
                break;
2435
            case QEMU_OPTION_snapshot:
2436
                snapshot = 1;
2437
                break;
2438
            case QEMU_OPTION_hdachs:
2439
                {
2440
                    const char *p;
2441
                    p = optarg;
2442
                    cyls = strtol(p, (char **)&p, 0);
2443
                    if (cyls < 1 || cyls > 16383)
2444
                        goto chs_fail;
2445
                    if (*p != ',')
2446
                        goto chs_fail;
2447
                    p++;
2448
                    heads = strtol(p, (char **)&p, 0);
2449
                    if (heads < 1 || heads > 16)
2450
                        goto chs_fail;
2451
                    if (*p != ',')
2452
                        goto chs_fail;
2453
                    p++;
2454
                    secs = strtol(p, (char **)&p, 0);
2455
                    if (secs < 1 || secs > 63)
2456
                        goto chs_fail;
2457
                    if (*p == ',') {
2458
                        p++;
2459
                        if (!strcmp(p, "none"))
2460
                            translation = BIOS_ATA_TRANSLATION_NONE;
2461
                        else if (!strcmp(p, "lba"))
2462
                            translation = BIOS_ATA_TRANSLATION_LBA;
2463
                        else if (!strcmp(p, "auto"))
2464
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2465
                        else
2466
                            goto chs_fail;
2467
                    } else if (*p != '\0') {
2468
                    chs_fail:
2469
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2470
                        exit(1);
2471
                    }
2472
                    if (hda_opts != NULL) {
2473
                        char num[16];
2474
                        snprintf(num, sizeof(num), "%d", cyls);
2475
                        qemu_opt_set(hda_opts, "cyls", num);
2476
                        snprintf(num, sizeof(num), "%d", heads);
2477
                        qemu_opt_set(hda_opts, "heads", num);
2478
                        snprintf(num, sizeof(num), "%d", secs);
2479
                        qemu_opt_set(hda_opts, "secs", num);
2480
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2481
                            qemu_opt_set(hda_opts, "trans", "lba");
2482
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2483
                            qemu_opt_set(hda_opts, "trans", "none");
2484
                    }
2485
                }
2486
                break;
2487
            case QEMU_OPTION_numa:
2488
                if (nb_numa_nodes >= MAX_NODES) {
2489
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2490
                    exit(1);
2491
                }
2492
                numa_add(optarg);
2493
                break;
2494
            case QEMU_OPTION_display:
2495
                display_type = select_display(optarg);
2496
                break;
2497
            case QEMU_OPTION_nographic:
2498
                display_type = DT_NOGRAPHIC;
2499
                break;
2500
            case QEMU_OPTION_curses:
2501
#ifdef CONFIG_CURSES
2502
                display_type = DT_CURSES;
2503
#else
2504
                fprintf(stderr, "Curses support is disabled\n");
2505
                exit(1);
2506
#endif
2507
                break;
2508
            case QEMU_OPTION_portrait:
2509
                graphic_rotate = 90;
2510
                break;
2511
            case QEMU_OPTION_rotate:
2512
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2513
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2514
                    graphic_rotate != 180 && graphic_rotate != 270) {
2515
                    fprintf(stderr,
2516
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2517
                    exit(1);
2518
                }
2519
                break;
2520
            case QEMU_OPTION_kernel:
2521
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2522
                break;
2523
            case QEMU_OPTION_initrd:
2524
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2525
                break;
2526
            case QEMU_OPTION_append:
2527
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2528
                break;
2529
            case QEMU_OPTION_cdrom:
2530
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2531
                break;
2532
            case QEMU_OPTION_boot:
2533
                {
2534
                    static const char * const params[] = {
2535
                        "order", "once", "menu",
2536
                        "splash", "splash-time", NULL
2537
                    };
2538
                    char buf[sizeof(boot_devices)];
2539
                    char *standard_boot_devices;
2540
                    int legacy = 0;
2541

    
2542
                    if (!strchr(optarg, '=')) {
2543
                        legacy = 1;
2544
                        pstrcpy(buf, sizeof(buf), optarg);
2545
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2546
                        fprintf(stderr,
2547
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2548
                                buf, optarg);
2549
                        exit(1);
2550
                    }
2551

    
2552
                    if (legacy ||
2553
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2554
                        validate_bootdevices(buf);
2555
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2556
                    }
2557
                    if (!legacy) {
2558
                        if (get_param_value(buf, sizeof(buf),
2559
                                            "once", optarg)) {
2560
                            validate_bootdevices(buf);
2561
                            standard_boot_devices = g_strdup(boot_devices);
2562
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2563
                            qemu_register_reset(restore_boot_devices,
2564
                                                standard_boot_devices);
2565
                        }
2566
                        if (get_param_value(buf, sizeof(buf),
2567
                                            "menu", optarg)) {
2568
                            if (!strcmp(buf, "on")) {
2569
                                boot_menu = 1;
2570
                            } else if (!strcmp(buf, "off")) {
2571
                                boot_menu = 0;
2572
                            } else {
2573
                                fprintf(stderr,
2574
                                        "qemu: invalid option value '%s'\n",
2575
                                        buf);
2576
                                exit(1);
2577
                            }
2578
                        }
2579
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2580
                                        optarg, 0);
2581
                    }
2582
                }
2583
                break;
2584
            case QEMU_OPTION_fda:
2585
            case QEMU_OPTION_fdb:
2586
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2587
                          optarg, FD_OPTS);
2588
                break;
2589
            case QEMU_OPTION_no_fd_bootchk:
2590
                fd_bootchk = 0;
2591
                break;
2592
            case QEMU_OPTION_netdev:
2593
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2594
                    exit(1);
2595
                }
2596
                break;
2597
            case QEMU_OPTION_net:
2598
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2599
                    exit(1);
2600
                }
2601
                break;
2602
#ifdef CONFIG_LIBISCSI
2603
            case QEMU_OPTION_iscsi:
2604
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2605
                if (!opts) {
2606
                    exit(1);
2607
                }
2608
                break;
2609
#endif
2610
#ifdef CONFIG_SLIRP
2611
            case QEMU_OPTION_tftp:
2612
                legacy_tftp_prefix = optarg;
2613
                break;
2614
            case QEMU_OPTION_bootp:
2615
                legacy_bootp_filename = optarg;
2616
                break;
2617
            case QEMU_OPTION_redir:
2618
                if (net_slirp_redir(optarg) < 0)
2619
                    exit(1);
2620
                break;
2621
#endif
2622
            case QEMU_OPTION_bt:
2623
                add_device_config(DEV_BT, optarg);
2624
                break;
2625
            case QEMU_OPTION_audio_help:
2626
                if (!(audio_available())) {
2627
                    printf("Option %s not supported for this target\n", popt->name);
2628
                    exit(1);
2629
                }
2630
                AUD_help ();
2631
                exit (0);
2632
                break;
2633
            case QEMU_OPTION_soundhw:
2634
                if (!(audio_available())) {
2635
                    printf("Option %s not supported for this target\n", popt->name);
2636
                    exit(1);
2637
                }
2638
                select_soundhw (optarg);
2639
                break;
2640
            case QEMU_OPTION_h:
2641
                help(0);
2642
                break;
2643
            case QEMU_OPTION_version:
2644
                version();
2645
                exit(0);
2646
                break;
2647
            case QEMU_OPTION_m: {
2648
                int64_t value;
2649
                char *end;
2650

    
2651
                value = strtosz(optarg, &end);
2652
                if (value < 0 || *end) {
2653
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2654
                    exit(1);
2655
                }
2656

    
2657
                if (value != (uint64_t)(ram_addr_t)value) {
2658
                    fprintf(stderr, "qemu: ram size too large\n");
2659
                    exit(1);
2660
                }
2661
                ram_size = value;
2662
                break;
2663
            }
2664
            case QEMU_OPTION_mempath:
2665
                mem_path = optarg;
2666
                break;
2667
#ifdef MAP_POPULATE
2668
            case QEMU_OPTION_mem_prealloc:
2669
                mem_prealloc = 1;
2670
                break;
2671
#endif
2672
            case QEMU_OPTION_d:
2673
                log_mask = optarg;
2674
                break;
2675
            case QEMU_OPTION_D:
2676
                log_file = optarg;
2677
                break;
2678
            case QEMU_OPTION_s:
2679
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2680
                break;
2681
            case QEMU_OPTION_gdb:
2682
                add_device_config(DEV_GDB, optarg);
2683
                break;
2684
            case QEMU_OPTION_L:
2685
                data_dir = optarg;
2686
                break;
2687
            case QEMU_OPTION_bios:
2688
                bios_name = optarg;
2689
                break;
2690
            case QEMU_OPTION_singlestep:
2691
                singlestep = 1;
2692
                break;
2693
            case QEMU_OPTION_S:
2694
                autostart = 0;
2695
                break;
2696
            case QEMU_OPTION_k:
2697
                keyboard_layout = optarg;
2698
                break;
2699
            case QEMU_OPTION_localtime:
2700
                rtc_utc = 0;
2701
                break;
2702
            case QEMU_OPTION_vga:
2703
                vga_model = optarg;
2704
                break;
2705
            case QEMU_OPTION_g:
2706
                {
2707
                    const char *p;
2708
                    int w, h, depth;
2709
                    p = optarg;
2710
                    w = strtol(p, (char **)&p, 10);
2711
                    if (w <= 0) {
2712
                    graphic_error:
2713
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2714
                        exit(1);
2715
                    }
2716
                    if (*p != 'x')
2717
                        goto graphic_error;
2718
                    p++;
2719
                    h = strtol(p, (char **)&p, 10);
2720
                    if (h <= 0)
2721
                        goto graphic_error;
2722
                    if (*p == 'x') {
2723
                        p++;
2724
                        depth = strtol(p, (char **)&p, 10);
2725
                        if (depth != 8 && depth != 15 && depth != 16 &&
2726
                            depth != 24 && depth != 32)
2727
                            goto graphic_error;
2728
                    } else if (*p == '\0') {
2729
                        depth = graphic_depth;
2730
                    } else {
2731
                        goto graphic_error;
2732
                    }
2733

    
2734
                    graphic_width = w;
2735
                    graphic_height = h;
2736
                    graphic_depth = depth;
2737
                }
2738
                break;
2739
            case QEMU_OPTION_echr:
2740
                {
2741
                    char *r;
2742
                    term_escape_char = strtol(optarg, &r, 0);
2743
                    if (r == optarg)
2744
                        printf("Bad argument to echr\n");
2745
                    break;
2746
                }
2747
            case QEMU_OPTION_monitor:
2748
                monitor_parse(optarg, "readline");
2749
                default_monitor = 0;
2750
                break;
2751
            case QEMU_OPTION_qmp:
2752
                monitor_parse(optarg, "control");
2753
                default_monitor = 0;
2754
                break;
2755
            case QEMU_OPTION_mon:
2756
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2757
                if (!opts) {
2758
                    exit(1);
2759
                }
2760
                default_monitor = 0;
2761
                break;
2762
            case QEMU_OPTION_chardev:
2763
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2764
                if (!opts) {
2765
                    exit(1);
2766
                }
2767
                break;
2768
            case QEMU_OPTION_fsdev:
2769
                olist = qemu_find_opts("fsdev");
2770
                if (!olist) {
2771
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2772
                    exit(1);
2773
                }
2774
                opts = qemu_opts_parse(olist, optarg, 1);
2775
                if (!opts) {
2776
                    fprintf(stderr, "parse error: %s\n", optarg);
2777
                    exit(1);
2778
                }
2779
                break;
2780
            case QEMU_OPTION_virtfs: {
2781
                QemuOpts *fsdev;
2782
                QemuOpts *device;
2783
                const char *writeout, *sock_fd, *socket;
2784

    
2785
                olist = qemu_find_opts("virtfs");
2786
                if (!olist) {
2787
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2788
                    exit(1);
2789
                }
2790
                opts = qemu_opts_parse(olist, optarg, 1);
2791
                if (!opts) {
2792
                    fprintf(stderr, "parse error: %s\n", optarg);
2793
                    exit(1);
2794
                }
2795

    
2796
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
2797
                    qemu_opt_get(opts, "mount_tag") == NULL) {
2798
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2799
                    exit(1);
2800
                }
2801
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2802
                                         qemu_opt_get(opts, "mount_tag"), 1);
2803
                if (!fsdev) {
2804
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2805
                            qemu_opt_get(opts, "mount_tag"));
2806
                    exit(1);
2807
                }
2808

    
2809
                writeout = qemu_opt_get(opts, "writeout");
2810
                if (writeout) {
2811
#ifdef CONFIG_SYNC_FILE_RANGE
2812
                    qemu_opt_set(fsdev, "writeout", writeout);
2813
#else
2814
                    fprintf(stderr, "writeout=immediate not supported on "
2815
                            "this platform\n");
2816
                    exit(1);
2817
#endif
2818
                }
2819
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2820
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2821
                qemu_opt_set(fsdev, "security_model",
2822
                             qemu_opt_get(opts, "security_model"));
2823
                socket = qemu_opt_get(opts, "socket");
2824
                if (socket) {
2825
                    qemu_opt_set(fsdev, "socket", socket);
2826
                }
2827
                sock_fd = qemu_opt_get(opts, "sock_fd");
2828
                if (sock_fd) {
2829
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
2830
                }
2831

    
2832
                qemu_opt_set_bool(fsdev, "readonly",
2833
                                qemu_opt_get_bool(opts, "readonly", 0));
2834
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2835
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2836
                qemu_opt_set(device, "fsdev",
2837
                             qemu_opt_get(opts, "mount_tag"));
2838
                qemu_opt_set(device, "mount_tag",
2839
                             qemu_opt_get(opts, "mount_tag"));
2840
                break;
2841
            }
2842
            case QEMU_OPTION_virtfs_synth: {
2843
                QemuOpts *fsdev;
2844
                QemuOpts *device;
2845

    
2846
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2847
                if (!fsdev) {
2848
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2849
                    exit(1);
2850
                }
2851
                qemu_opt_set(fsdev, "fsdriver", "synth");
2852

    
2853
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2854
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2855
                qemu_opt_set(device, "fsdev", "v_synth");
2856
                qemu_opt_set(device, "mount_tag", "v_synth");
2857
                break;
2858
            }
2859
            case QEMU_OPTION_serial:
2860
                add_device_config(DEV_SERIAL, optarg);
2861
                default_serial = 0;
2862
                if (strncmp(optarg, "mon:", 4) == 0) {
2863
                    default_monitor = 0;
2864
                }
2865
                break;
2866
            case QEMU_OPTION_watchdog:
2867
                if (watchdog) {
2868
                    fprintf(stderr,
2869
                            "qemu: only one watchdog option may be given\n");
2870
                    return 1;
2871
                }
2872
                watchdog = optarg;
2873
                break;
2874
            case QEMU_OPTION_watchdog_action:
2875
                if (select_watchdog_action(optarg) == -1) {
2876
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2877
                    exit(1);
2878
                }
2879
                break;
2880
            case QEMU_OPTION_virtiocon:
2881
                add_device_config(DEV_VIRTCON, optarg);
2882
                default_virtcon = 0;
2883
                if (strncmp(optarg, "mon:", 4) == 0) {
2884
                    default_monitor = 0;
2885
                }
2886
                break;
2887
            case QEMU_OPTION_parallel:
2888
                add_device_config(DEV_PARALLEL, optarg);
2889
                default_parallel = 0;
2890
                if (strncmp(optarg, "mon:", 4) == 0) {
2891
                    default_monitor = 0;
2892
                }
2893
                break;
2894
            case QEMU_OPTION_debugcon:
2895
                add_device_config(DEV_DEBUGCON, optarg);
2896
                break;
2897
            case QEMU_OPTION_loadvm:
2898
                loadvm = optarg;
2899
                break;
2900
            case QEMU_OPTION_full_screen:
2901
                full_screen = 1;
2902
                break;
2903
#ifdef CONFIG_SDL
2904
            case QEMU_OPTION_no_frame:
2905
                no_frame = 1;
2906
                break;
2907
            case QEMU_OPTION_alt_grab:
2908
                alt_grab = 1;
2909
                break;
2910
            case QEMU_OPTION_ctrl_grab:
2911
                ctrl_grab = 1;
2912
                break;
2913
            case QEMU_OPTION_no_quit:
2914
                no_quit = 1;
2915
                break;
2916
            case QEMU_OPTION_sdl:
2917
                display_type = DT_SDL;
2918
                break;
2919
#else
2920
            case QEMU_OPTION_no_frame:
2921
            case QEMU_OPTION_alt_grab:
2922
            case QEMU_OPTION_ctrl_grab:
2923
            case QEMU_OPTION_no_quit:
2924
            case QEMU_OPTION_sdl:
2925
                fprintf(stderr, "SDL support is disabled\n");
2926
                exit(1);
2927
#endif
2928
            case QEMU_OPTION_pidfile:
2929
                pid_file = optarg;
2930
                break;
2931
            case QEMU_OPTION_win2k_hack:
2932
                win2k_install_hack = 1;
2933
                break;
2934
            case QEMU_OPTION_rtc_td_hack: {
2935
                static GlobalProperty slew_lost_ticks[] = {
2936
                    {
2937
                        .driver   = "mc146818rtc",
2938
                        .property = "lost_tick_policy",
2939
                        .value    = "slew",
2940
                    },
2941
                    { /* end of list */ }
2942
                };
2943

    
2944
                qdev_prop_register_global_list(slew_lost_ticks);
2945
                break;
2946
            }
2947
            case QEMU_OPTION_acpitable:
2948
                do_acpitable_option(optarg);
2949
                break;
2950
            case QEMU_OPTION_smbios:
2951
                do_smbios_option(optarg);
2952
                break;
2953
            case QEMU_OPTION_enable_kvm:
2954
                olist = qemu_find_opts("machine");
2955
                qemu_opts_parse(olist, "accel=kvm", 0);
2956
                break;
2957
            case QEMU_OPTION_machine:
2958
                olist = qemu_find_opts("machine");
2959
                opts = qemu_opts_parse(olist, optarg, 1);
2960
                if (!opts) {
2961
                    fprintf(stderr, "parse error: %s\n", optarg);
2962
                    exit(1);
2963
                }
2964
                optarg = qemu_opt_get(opts, "type");
2965
                if (optarg) {
2966
                    machine = machine_parse(optarg);
2967
                }
2968
                break;
2969
            case QEMU_OPTION_usb:
2970
                usb_enabled = 1;
2971
                break;
2972
            case QEMU_OPTION_usbdevice:
2973
                usb_enabled = 1;
2974
                add_device_config(DEV_USB, optarg);
2975
                break;
2976
            case QEMU_OPTION_device:
2977
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2978
                    exit(1);
2979
                }
2980
                break;
2981
            case QEMU_OPTION_smp:
2982
                smp_parse(optarg);
2983
                if (smp_cpus < 1) {
2984
                    fprintf(stderr, "Invalid number of CPUs\n");
2985
                    exit(1);
2986
                }
2987
                if (max_cpus < smp_cpus) {
2988
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2989
                            "smp\n");
2990
                    exit(1);
2991
                }
2992
                if (max_cpus > 255) {
2993
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2994
                    exit(1);
2995
                }
2996
                break;
2997
            case QEMU_OPTION_vnc:
2998
#ifdef CONFIG_VNC
2999
                display_remote++;
3000
                vnc_display = optarg;
3001
#else
3002
                fprintf(stderr, "VNC support is disabled\n");
3003
                exit(1);
3004
#endif
3005
                break;
3006
            case QEMU_OPTION_no_acpi:
3007
                acpi_enabled = 0;
3008
                break;
3009
            case QEMU_OPTION_no_hpet:
3010
                no_hpet = 1;
3011
                break;
3012
            case QEMU_OPTION_balloon:
3013
                if (balloon_parse(optarg) < 0) {
3014
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3015
                    exit(1);
3016
                }
3017
                break;
3018
            case QEMU_OPTION_no_reboot:
3019
                no_reboot = 1;
3020
                break;
3021
            case QEMU_OPTION_no_shutdown:
3022
                no_shutdown = 1;
3023
                break;
3024
            case QEMU_OPTION_show_cursor:
3025
                cursor_hide = 0;
3026
                break;
3027
            case QEMU_OPTION_uuid:
3028
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3029
                    fprintf(stderr, "Fail to parse UUID string."
3030
                            " Wrong format.\n");
3031
                    exit(1);
3032
                }
3033
                break;
3034
            case QEMU_OPTION_option_rom:
3035
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3036
                    fprintf(stderr, "Too many option ROMs\n");
3037
                    exit(1);
3038
                }
3039
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3040
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3041
                option_rom[nb_option_roms].bootindex =
3042
                    qemu_opt_get_number(opts, "bootindex", -1);
3043
                if (!option_rom[nb_option_roms].name) {
3044
                    fprintf(stderr, "Option ROM file is not specified\n");
3045
                    exit(1);
3046
                }
3047
                nb_option_roms++;
3048
                break;
3049
            case QEMU_OPTION_semihosting:
3050
                semihosting_enabled = 1;
3051
                break;
3052
            case QEMU_OPTION_name:
3053
                qemu_name = g_strdup(optarg);
3054
                 {
3055
                     char *p = strchr(qemu_name, ',');
3056
                     if (p != NULL) {
3057
                        *p++ = 0;
3058
                        if (strncmp(p, "process=", 8)) {
3059
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3060
                            exit(1);
3061
                        }
3062
                        p += 8;
3063
                        os_set_proc_name(p);
3064
                     }        
3065
                 }        
3066
                break;
3067
            case QEMU_OPTION_prom_env:
3068
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3069
                    fprintf(stderr, "Too many prom variables\n");
3070
                    exit(1);
3071
                }
3072
                prom_envs[nb_prom_envs] = optarg;
3073
                nb_prom_envs++;
3074
                break;
3075
            case QEMU_OPTION_old_param:
3076
                old_param = 1;
3077
                break;
3078
            case QEMU_OPTION_clock:
3079
                configure_alarms(optarg);
3080
                break;
3081
            case QEMU_OPTION_startdate:
3082
                configure_rtc_date_offset(optarg, 1);
3083
                break;
3084
            case QEMU_OPTION_rtc:
3085
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3086
                if (!opts) {
3087
                    exit(1);
3088
                }
3089
                configure_rtc(opts);
3090
                break;
3091
            case QEMU_OPTION_tb_size:
3092
                tcg_tb_size = strtol(optarg, NULL, 0);
3093
                if (tcg_tb_size < 0) {
3094
                    tcg_tb_size = 0;
3095
                }
3096
                break;
3097
            case QEMU_OPTION_icount:
3098
                icount_option = optarg;
3099
                break;
3100
            case QEMU_OPTION_incoming:
3101
                incoming = optarg;
3102
                break;
3103
            case QEMU_OPTION_nodefaults:
3104
                default_serial = 0;
3105
                default_parallel = 0;
3106
                default_virtcon = 0;
3107
                default_monitor = 0;
3108
                default_net = 0;
3109
                default_floppy = 0;
3110
                default_cdrom = 0;
3111
                default_sdcard = 0;
3112
                vga_model = "none";
3113
                break;
3114
            case QEMU_OPTION_xen_domid:
3115
                if (!(xen_available())) {
3116
                    printf("Option %s not supported for this target\n", popt->name);
3117
                    exit(1);
3118
                }
3119
                xen_domid = atoi(optarg);
3120
                break;
3121
            case QEMU_OPTION_xen_create:
3122
                if (!(xen_available())) {
3123
                    printf("Option %s not supported for this target\n", popt->name);
3124
                    exit(1);
3125
                }
3126
                xen_mode = XEN_CREATE;
3127
                break;
3128
            case QEMU_OPTION_xen_attach:
3129
                if (!(xen_available())) {
3130
                    printf("Option %s not supported for this target\n", popt->name);
3131
                    exit(1);
3132
                }
3133
                xen_mode = XEN_ATTACH;
3134
                break;
3135
            case QEMU_OPTION_trace:
3136
            {
3137
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3138
                if (!opts) {
3139
                    exit(1);
3140
                }
3141
                trace_events = qemu_opt_get(opts, "events");
3142
                trace_file = qemu_opt_get(opts, "file");
3143
                break;
3144
            }
3145
            case QEMU_OPTION_readconfig:
3146
                {
3147
                    int ret = qemu_read_config_file(optarg);
3148
                    if (ret < 0) {
3149
                        fprintf(stderr, "read config %s: %s\n", optarg,
3150
                            strerror(-ret));
3151
                        exit(1);
3152
                    }
3153
                    break;
3154
                }
3155
            case QEMU_OPTION_spice:
3156
                olist = qemu_find_opts("spice");
3157
                if (!olist) {
3158
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3159
                    exit(1);
3160
                }
3161
                opts = qemu_opts_parse(olist, optarg, 0);
3162
                if (!opts) {
3163
                    fprintf(stderr, "parse error: %s\n", optarg);
3164
                    exit(1);
3165
                }
3166
                break;
3167
            case QEMU_OPTION_writeconfig:
3168
                {
3169
                    FILE *fp;
3170
                    if (strcmp(optarg, "-") == 0) {
3171
                        fp = stdout;
3172
                    } else {
3173
                        fp = fopen(optarg, "w");
3174
                        if (fp == NULL) {
3175
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3176
                            exit(1);
3177
                        }
3178
                    }
3179
                    qemu_config_write(fp);
3180
                    fclose(fp);
3181
                    break;
3182
                }
3183
            default:
3184
                os_parse_cmd_args(popt->index, optarg);
3185
            }
3186
        }
3187
    }
3188
    loc_set_none();
3189

    
3190
    /* Open the logfile at this point, if necessary. We can't open the logfile
3191
     * when encountering either of the logging options (-d or -D) because the
3192
     * other one may be encountered later on the command line, changing the
3193
     * location or level of logging.
3194
     */
3195
    if (log_mask) {
3196
        if (log_file) {
3197
            set_cpu_log_filename(log_file);
3198
        }
3199
        set_cpu_log(log_mask);
3200
    }
3201

    
3202
    if (!trace_backend_init(trace_events, trace_file)) {
3203
        exit(1);
3204
    }
3205

    
3206
    /* If no data_dir is specified then try to find it relative to the
3207
       executable path.  */
3208
    if (!data_dir) {
3209
        data_dir = os_find_datadir(argv[0]);
3210
    }
3211
    /* If all else fails use the install path specified when building. */
3212
    if (!data_dir) {
3213
        data_dir = CONFIG_QEMU_DATADIR;
3214
    }
3215

    
3216
    if (machine == NULL) {
3217
        fprintf(stderr, "No machine found.\n");
3218
        exit(1);
3219
    }
3220

    
3221
    /*
3222
     * Default to max_cpus = smp_cpus, in case the user doesn't
3223
     * specify a max_cpus value.
3224
     */
3225
    if (!max_cpus)
3226
        max_cpus = smp_cpus;
3227

    
3228
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3229
    if (smp_cpus > machine->max_cpus) {
3230
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3231
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3232
                machine->max_cpus);
3233
        exit(1);
3234
    }
3235

    
3236
    /*
3237
     * Get the default machine options from the machine if it is not already
3238
     * specified either by the configuration file or by the command line.
3239
     */
3240
    if (machine->default_machine_opts) {
3241
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3242
                               machine->default_machine_opts, 0);
3243
    }
3244

    
3245
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3246
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3247

    
3248
    if (machine->no_serial) {
3249
        default_serial = 0;
3250
    }
3251
    if (machine->no_parallel) {
3252
        default_parallel = 0;
3253
    }
3254
    if (!machine->use_virtcon) {
3255
        default_virtcon = 0;
3256
    }
3257
    if (machine->no_floppy) {
3258
        default_floppy = 0;
3259
    }
3260
    if (machine->no_cdrom) {
3261
        default_cdrom = 0;
3262
    }
3263
    if (machine->no_sdcard) {
3264
        default_sdcard = 0;
3265
    }
3266

    
3267
    if (display_type == DT_NOGRAPHIC) {
3268
        if (default_parallel)
3269
            add_device_config(DEV_PARALLEL, "null");
3270
        if (default_serial && default_monitor) {
3271
            add_device_config(DEV_SERIAL, "mon:stdio");
3272
        } else if (default_virtcon && default_monitor) {
3273
            add_device_config(DEV_VIRTCON, "mon:stdio");
3274
        } else {
3275
            if (default_serial)
3276
                add_device_config(DEV_SERIAL, "stdio");
3277
            if (default_virtcon)
3278
                add_device_config(DEV_VIRTCON, "stdio");
3279
            if (default_monitor)
3280
                monitor_parse("stdio", "readline");
3281
        }
3282
    } else {
3283
        if (default_serial)
3284
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3285
        if (default_parallel)
3286
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3287
        if (default_monitor)
3288
            monitor_parse("vc:80Cx24C", "readline");
3289
        if (default_virtcon)
3290
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3291
    }
3292

    
3293
    socket_init();
3294

    
3295
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3296
        exit(1);
3297
#ifdef CONFIG_VIRTFS
3298
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3299
        exit(1);
3300
    }
3301
#endif
3302

    
3303
    os_daemonize();
3304

    
3305
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3306
        os_pidfile_error();
3307
        exit(1);
3308
    }
3309

    
3310
    /* init the memory */
3311
    if (ram_size == 0) {
3312
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3313
    }
3314

    
3315
    configure_accelerator();
3316

    
3317
    qemu_init_cpu_loop();
3318
    if (qemu_init_main_loop()) {
3319
        fprintf(stderr, "qemu_init_main_loop failed\n");
3320
        exit(1);
3321
    }
3322

    
3323
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3324
    if (machine_opts) {
3325
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3326
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3327
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3328
    } else {
3329
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3330
    }
3331

    
3332
    if (!kernel_cmdline) {
3333
        kernel_cmdline = "";
3334
    }
3335

    
3336
    linux_boot = (kernel_filename != NULL);
3337

    
3338
    if (!linux_boot && *kernel_cmdline != '\0') {
3339
        fprintf(stderr, "-append only allowed with -kernel option\n");
3340
        exit(1);
3341
    }
3342

    
3343
    if (!linux_boot && initrd_filename != NULL) {
3344
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3345
        exit(1);
3346
    }
3347

    
3348
    os_set_line_buffering();
3349

    
3350
    if (init_timer_alarm() < 0) {
3351
        fprintf(stderr, "could not initialize alarm timer\n");
3352
        exit(1);
3353
    }
3354

    
3355
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3356
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3357
        exit(1);
3358
    }
3359
    configure_icount(icount_option);
3360

    
3361
    if (net_init_clients() < 0) {
3362
        exit(1);
3363
    }
3364

    
3365
    /* init the bluetooth world */
3366
    if (foreach_device_config(DEV_BT, bt_parse))
3367
        exit(1);
3368

    
3369
    if (!xen_enabled()) {
3370
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3371
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3372
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3373
            exit(1);
3374
        }
3375
    }
3376

    
3377
    cpu_exec_init_all();
3378

    
3379
    bdrv_init_with_whitelist();
3380

    
3381
    blk_mig_init();
3382

    
3383
    /* open the virtual block devices */
3384
    if (snapshot)
3385
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3386
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3387
        exit(1);
3388

    
3389
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3390
                  IF_DEFAULT, 2, CDROM_OPTS);
3391
    default_drive(default_floppy, snapshot, machine->use_scsi,
3392
                  IF_FLOPPY, 0, FD_OPTS);
3393
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3394
                  IF_SD, 0, SD_OPTS);
3395

    
3396
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3397
                         ram_load, NULL);
3398

    
3399
    if (nb_numa_nodes > 0) {
3400
        int i;
3401

    
3402
        if (nb_numa_nodes > MAX_NODES) {
3403
            nb_numa_nodes = MAX_NODES;
3404
        }
3405

    
3406
        /* If no memory size if given for any node, assume the default case
3407
         * and distribute the available memory equally across all nodes
3408
         */
3409
        for (i = 0; i < nb_numa_nodes; i++) {
3410
            if (node_mem[i] != 0)
3411
                break;
3412
        }
3413
        if (i == nb_numa_nodes) {
3414
            uint64_t usedmem = 0;
3415

    
3416
            /* On Linux, the each node's border has to be 8MB aligned,
3417
             * the final node gets the rest.
3418
             */
3419
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3420
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3421
                usedmem += node_mem[i];
3422
            }
3423
            node_mem[i] = ram_size - usedmem;
3424
        }
3425

    
3426
        for (i = 0; i < nb_numa_nodes; i++) {
3427
            if (node_cpumask[i] != 0)
3428
                break;
3429
        }
3430
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3431
         * must cope with this anyway, because there are BIOSes out there in
3432
         * real machines which also use this scheme.
3433
         */
3434
        if (i == nb_numa_nodes) {
3435
            for (i = 0; i < max_cpus; i++) {
3436
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3437
            }
3438
        }
3439
    }
3440

    
3441
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3442
        exit(1);
3443
    }
3444

    
3445
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3446
        exit(1);
3447
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3448
        exit(1);
3449
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3450
        exit(1);
3451
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3452
        exit(1);
3453

    
3454
    module_call_init(MODULE_INIT_QOM);
3455

    
3456
    /* must be after qdev registration but before machine init */
3457
    if (vga_model) {
3458
        select_vgahw(vga_model);
3459
    } else if (cirrus_vga_available()) {
3460
        select_vgahw("cirrus");
3461
    } else {
3462
        select_vgahw("none");
3463
    }
3464

    
3465
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3466
        exit(0);
3467

    
3468
    if (watchdog) {
3469
        i = select_watchdog(watchdog);
3470
        if (i > 0)
3471
            exit (i == 1 ? 1 : 0);
3472
    }
3473

    
3474
    if (machine->compat_props) {
3475
        qdev_prop_register_global_list(machine->compat_props);
3476
    }
3477
    qemu_add_globals();
3478

    
3479
    qdev_machine_init();
3480

    
3481
    machine->init(ram_size, boot_devices,
3482
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3483

    
3484
    cpu_synchronize_all_post_init();
3485

    
3486
    set_numa_modes();
3487

    
3488
    current_machine = machine;
3489

    
3490
    /* init USB devices */
3491
    if (usb_enabled) {
3492
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3493
            exit(1);
3494
    }
3495

    
3496
    /* init generic devices */
3497
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3498
        exit(1);
3499

    
3500
    net_check_clients();
3501

    
3502
    /* just use the first displaystate for the moment */
3503
    ds = get_displaystate();
3504

    
3505
    if (using_spice)
3506
        display_remote++;
3507
    if (display_type == DT_DEFAULT && !display_remote) {
3508
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3509
        display_type = DT_SDL;
3510
#elif defined(CONFIG_VNC)
3511
        vnc_display = "localhost:0,to=99";
3512
        show_vnc_port = 1;
3513
#else
3514
        display_type = DT_NONE;
3515
#endif
3516
    }
3517

    
3518

    
3519
    /* init local displays */
3520
    switch (display_type) {
3521
    case DT_NOGRAPHIC:
3522
        break;
3523
#if defined(CONFIG_CURSES)
3524
    case DT_CURSES:
3525
        curses_display_init(ds, full_screen);
3526
        break;
3527
#endif
3528
#if defined(CONFIG_SDL)
3529
    case DT_SDL:
3530
        sdl_display_init(ds, full_screen, no_frame);
3531
        break;
3532
#elif defined(CONFIG_COCOA)
3533
    case DT_SDL:
3534
        cocoa_display_init(ds, full_screen);
3535
        break;
3536
#endif
3537
    default:
3538
        break;
3539
    }
3540

    
3541
    /* must be after terminal init, SDL library changes signal handlers */
3542
    os_setup_signal_handling();
3543

    
3544
#ifdef CONFIG_VNC
3545
    /* init remote displays */
3546
    if (vnc_display) {
3547
        vnc_display_init(ds);
3548
        if (vnc_display_open(ds, vnc_display) < 0)
3549
            exit(1);
3550

    
3551
        if (show_vnc_port) {
3552
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3553
        }
3554
    }
3555
#endif
3556
#ifdef CONFIG_SPICE
3557
    if (using_spice && !qxl_enabled) {
3558
        qemu_spice_display_init(ds);
3559
    }
3560
#endif
3561

    
3562
    /* display setup */
3563
    dpy_resize(ds);
3564
    dcl = ds->listeners;
3565
    while (dcl != NULL) {
3566
        if (dcl->dpy_refresh != NULL) {
3567
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3568
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3569
            break;
3570
        }
3571
        dcl = dcl->next;
3572
    }
3573
    text_consoles_set_display(ds);
3574

    
3575
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3576
        exit(1);
3577
    }
3578

    
3579
    qdev_machine_creation_done();
3580

    
3581
    if (rom_load_all() != 0) {
3582
        fprintf(stderr, "rom loading failed\n");
3583
        exit(1);
3584
    }
3585

    
3586
    /* TODO: once all bus devices are qdevified, this should be done
3587
     * when bus is created by qdev.c */
3588
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3589
    qemu_run_machine_init_done_notifiers();
3590

    
3591
    qemu_system_reset(VMRESET_SILENT);
3592
    if (loadvm) {
3593
        if (load_vmstate(loadvm) < 0) {
3594
            autostart = 0;
3595
        }
3596
    }
3597

    
3598
    if (incoming) {
3599
        runstate_set(RUN_STATE_INMIGRATE);
3600
        int ret = qemu_start_incoming_migration(incoming);
3601
        if (ret < 0) {
3602
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3603
                    incoming, ret);
3604
            exit(ret);
3605
        }
3606
    } else if (autostart) {
3607
        vm_start();
3608
    }
3609

    
3610
    os_setup_post();
3611

    
3612
    resume_all_vcpus();
3613
    main_loop();
3614
    bdrv_close_all();
3615
    pause_all_vcpus();
3616
    net_cleanup();
3617
    res_free();
3618

    
3619
    return 0;
3620
}