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1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
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 *
13
 * The above copyright notice and this permission notice shall be included in
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
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 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31
#include "bitmap.h"
32

    
33
/* Needed early for CONFIG_BSD etc. */
34
#include "config-host.h"
35

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

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

    
63
#include <linux/ppdev.h>
64
#include <linux/parport.h>
65
#endif
66
#ifdef __sun__
67
#include <sys/stat.h>
68
#include <sys/ethernet.h>
69
#include <sys/sockio.h>
70
#include <netinet/arp.h>
71
#include <netinet/in_systm.h>
72
#include <netinet/ip.h>
73
#include <netinet/ip_icmp.h> // must come after ip.h
74
#include <netinet/udp.h>
75
#include <netinet/tcp.h>
76
#include <net/if.h>
77
#include <syslog.h>
78
#include <stropts.h>
79
#endif
80
#endif
81
#endif
82

    
83
#if defined(CONFIG_VDE)
84
#include <libvdeplug.h>
85
#endif
86

    
87
#ifdef _WIN32
88
#include <windows.h>
89
#endif
90

    
91
#ifdef CONFIG_SDL
92
#if defined(__APPLE__) || defined(main)
93
#include <SDL.h>
94
int qemu_main(int argc, char **argv, char **envp);
95
int main(int argc, char **argv)
96
{
97
    return qemu_main(argc, argv, NULL);
98
}
99
#undef main
100
#define main qemu_main
101
#endif
102
#endif /* CONFIG_SDL */
103

    
104
#ifdef CONFIG_COCOA
105
#undef main
106
#define main qemu_main
107
#endif /* CONFIG_COCOA */
108

    
109
#include <glib.h>
110

    
111
#include "hw/hw.h"
112
#include "hw/boards.h"
113
#include "hw/usb.h"
114
#include "hw/pcmcia.h"
115
#include "hw/pc.h"
116
#include "hw/isa.h"
117
#include "hw/baum.h"
118
#include "hw/bt.h"
119
#include "hw/watchdog.h"
120
#include "hw/smbios.h"
121
#include "hw/xen.h"
122
#include "hw/qdev.h"
123
#include "hw/loader.h"
124
#include "bt-host.h"
125
#include "net.h"
126
#include "net/slirp.h"
127
#include "monitor.h"
128
#include "console.h"
129
#include "sysemu.h"
130
#include "gdbstub.h"
131
#include "qemu-timer.h"
132
#include "qemu-char.h"
133
#include "cache-utils.h"
134
#include "blockdev.h"
135
#include "hw/block-common.h"
136
#include "block-migration.h"
137
#include "dma.h"
138
#include "audio/audio.h"
139
#include "migration.h"
140
#include "kvm.h"
141
#include "qjson.h"
142
#include "qemu-option.h"
143
#include "qemu-config.h"
144
#include "qemu-options.h"
145
#include "qmp-commands.h"
146
#include "main-loop.h"
147
#ifdef CONFIG_VIRTFS
148
#include "fsdev/qemu-fsdev.h"
149
#endif
150
#include "qtest.h"
151

    
152
#include "disas.h"
153

    
154
#include "qemu_socket.h"
155

    
156
#include "slirp/libslirp.h"
157

    
158
#include "trace.h"
159
#include "trace/control.h"
160
#include "qemu-queue.h"
161
#include "cpus.h"
162
#include "arch_init.h"
163
#include "osdep.h"
164

    
165
#include "ui/qemu-spice.h"
166

    
167
//#define DEBUG_NET
168
//#define DEBUG_SLIRP
169

    
170
#define DEFAULT_RAM_SIZE 128
171

    
172
#define MAX_VIRTIO_CONSOLES 1
173

    
174
static const char *data_dir;
175
const char *bios_name = NULL;
176
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177
DisplayType display_type = DT_DEFAULT;
178
int display_remote = 0;
179
const char* keyboard_layout = NULL;
180
ram_addr_t ram_size;
181
const char *mem_path = NULL;
182
#ifdef MAP_POPULATE
183
int mem_prealloc = 0; /* force preallocation of physical target memory */
184
#endif
185
int nb_nics;
186
NICInfo nd_table[MAX_NICS];
187
int autostart;
188
static int rtc_utc = 1;
189
static int rtc_date_offset = -1; /* -1 means no change */
190
QEMUClock *rtc_clock;
191
int vga_interface_type = VGA_NONE;
192
static int full_screen = 0;
193
#ifdef CONFIG_SDL
194
static int no_frame = 0;
195
#endif
196
int no_quit = 0;
197
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
200
int win2k_install_hack = 0;
201
int usb_enabled = 0;
202
int singlestep = 0;
203
int smp_cpus = 1;
204
int max_cpus = 0;
205
int smp_cores = 1;
206
int smp_threads = 1;
207
#ifdef CONFIG_VNC
208
const char *vnc_display;
209
#endif
210
int acpi_enabled = 1;
211
int no_hpet = 0;
212
int fd_bootchk = 1;
213
int no_reboot = 0;
214
int no_shutdown = 0;
215
int cursor_hide = 1;
216
int graphic_rotate = 0;
217
const char *watchdog;
218
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
219
int nb_option_roms;
220
int semihosting_enabled = 0;
221
int old_param = 0;
222
const char *qemu_name;
223
int alt_grab = 0;
224
int ctrl_grab = 0;
225
unsigned int nb_prom_envs = 0;
226
const char *prom_envs[MAX_PROM_ENVS];
227
int boot_menu;
228
uint8_t *boot_splash_filedata;
229
int boot_splash_filedata_size;
230
uint8_t qemu_extra_params_fw[2];
231

    
232
typedef struct FWBootEntry FWBootEntry;
233

    
234
struct FWBootEntry {
235
    QTAILQ_ENTRY(FWBootEntry) link;
236
    int32_t bootindex;
237
    DeviceState *dev;
238
    char *suffix;
239
};
240

    
241
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242

    
243
int nb_numa_nodes;
244
uint64_t node_mem[MAX_NODES];
245
unsigned long *node_cpumask[MAX_NODES];
246

    
247
uint8_t qemu_uuid[16];
248

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

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

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

    
258
static int tcg_allowed = 1;
259
int kvm_allowed = 0;
260
int xen_allowed = 0;
261
uint32_t xen_domid;
262
enum xen_mode xen_mode = XEN_EMULATE;
263
static int tcg_tb_size;
264

    
265
static int default_serial = 1;
266
static int default_parallel = 1;
267
static int default_virtcon = 1;
268
static int default_monitor = 1;
269
static int default_floppy = 1;
270
static int default_cdrom = 1;
271
static int default_sdcard = 1;
272
static int default_vga = 1;
273

    
274
static struct {
275
    const char *driver;
276
    int *flag;
277
} default_list[] = {
278
    { .driver = "isa-serial",           .flag = &default_serial    },
279
    { .driver = "isa-parallel",         .flag = &default_parallel  },
280
    { .driver = "isa-fdc",              .flag = &default_floppy    },
281
    { .driver = "ide-cd",               .flag = &default_cdrom     },
282
    { .driver = "ide-hd",               .flag = &default_cdrom     },
283
    { .driver = "ide-drive",            .flag = &default_cdrom     },
284
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
285
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
286
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
287
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
288
    { .driver = "VGA",                  .flag = &default_vga       },
289
    { .driver = "isa-vga",              .flag = &default_vga       },
290
    { .driver = "cirrus-vga",           .flag = &default_vga       },
291
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
292
    { .driver = "vmware-svga",          .flag = &default_vga       },
293
    { .driver = "qxl-vga",              .flag = &default_vga       },
294
};
295

    
296
const char *qemu_get_vm_name(void)
297
{
298
    return qemu_name;
299
}
300

    
301
static void res_free(void)
302
{
303
    if (boot_splash_filedata != NULL) {
304
        g_free(boot_splash_filedata);
305
        boot_splash_filedata = NULL;
306
    }
307
}
308

    
309
static int default_driver_check(QemuOpts *opts, void *opaque)
310
{
311
    const char *driver = qemu_opt_get(opts, "driver");
312
    int i;
313

    
314
    if (!driver)
315
        return 0;
316
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
317
        if (strcmp(default_list[i].driver, driver) != 0)
318
            continue;
319
        *(default_list[i].flag) = 0;
320
    }
321
    return 0;
322
}
323

    
324
/***********************************************************/
325
/* QEMU state */
326

    
327
static RunState current_run_state = RUN_STATE_PRELAUNCH;
328

    
329
typedef struct {
330
    RunState from;
331
    RunState to;
332
} RunStateTransition;
333

    
334
static const RunStateTransition runstate_transitions_def[] = {
335
    /*     from      ->     to      */
336
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
337

    
338
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
339
    { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
340

    
341
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
342
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
343

    
344
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
345
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
346

    
347
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
348
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
349

    
350
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
351
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
352

    
353
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
354
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
355
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
356

    
357
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
358
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
359

    
360
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
361

    
362
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
363
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
364
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
365
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
366
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
367
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
368
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
369
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
370
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
371

    
372
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
373

    
374
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
375
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
376

    
377
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
378
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
379
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
380
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
381

    
382
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
383
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
384

    
385
    { RUN_STATE_MAX, RUN_STATE_MAX },
386
};
387

    
388
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
389

    
390
bool runstate_check(RunState state)
391
{
392
    return current_run_state == state;
393
}
394

    
395
void runstate_init(void)
396
{
397
    const RunStateTransition *p;
398

    
399
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
400

    
401
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
402
        runstate_valid_transitions[p->from][p->to] = true;
403
    }
404
}
405

    
406
/* This function will abort() on invalid state transitions */
407
void runstate_set(RunState new_state)
408
{
409
    assert(new_state < RUN_STATE_MAX);
410

    
411
    if (!runstate_valid_transitions[current_run_state][new_state]) {
412
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
413
                RunState_lookup[current_run_state],
414
                RunState_lookup[new_state]);
415
        abort();
416
    }
417

    
418
    current_run_state = new_state;
419
}
420

    
421
int runstate_is_running(void)
422
{
423
    return runstate_check(RUN_STATE_RUNNING);
424
}
425

    
426
StatusInfo *qmp_query_status(Error **errp)
427
{
428
    StatusInfo *info = g_malloc0(sizeof(*info));
429

    
430
    info->running = runstate_is_running();
431
    info->singlestep = singlestep;
432
    info->status = current_run_state;
433

    
434
    return info;
435
}
436

    
437
/***********************************************************/
438
/* real time host monotonic timer */
439

    
440
/***********************************************************/
441
/* host time/date access */
442
void qemu_get_timedate(struct tm *tm, int offset)
443
{
444
    time_t ti;
445
    struct tm *ret;
446

    
447
    time(&ti);
448
    ti += offset;
449
    if (rtc_date_offset == -1) {
450
        if (rtc_utc)
451
            ret = gmtime(&ti);
452
        else
453
            ret = localtime(&ti);
454
    } else {
455
        ti -= rtc_date_offset;
456
        ret = gmtime(&ti);
457
    }
458

    
459
    memcpy(tm, ret, sizeof(struct tm));
460
}
461

    
462
int qemu_timedate_diff(struct tm *tm)
463
{
464
    time_t seconds;
465

    
466
    if (rtc_date_offset == -1)
467
        if (rtc_utc)
468
            seconds = mktimegm(tm);
469
        else {
470
            struct tm tmp = *tm;
471
            tmp.tm_isdst = -1; /* use timezone to figure it out */
472
            seconds = mktime(&tmp);
473
        }
474
    else
475
        seconds = mktimegm(tm) + rtc_date_offset;
476

    
477
    return seconds - time(NULL);
478
}
479

    
480
void rtc_change_mon_event(struct tm *tm)
481
{
482
    QObject *data;
483

    
484
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
485
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
486
    qobject_decref(data);
487
}
488

    
489
static void configure_rtc_date_offset(const char *startdate, int legacy)
490
{
491
    time_t rtc_start_date;
492
    struct tm tm;
493

    
494
    if (!strcmp(startdate, "now") && legacy) {
495
        rtc_date_offset = -1;
496
    } else {
497
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
498
                   &tm.tm_year,
499
                   &tm.tm_mon,
500
                   &tm.tm_mday,
501
                   &tm.tm_hour,
502
                   &tm.tm_min,
503
                   &tm.tm_sec) == 6) {
504
            /* OK */
505
        } else if (sscanf(startdate, "%d-%d-%d",
506
                          &tm.tm_year,
507
                          &tm.tm_mon,
508
                          &tm.tm_mday) == 3) {
509
            tm.tm_hour = 0;
510
            tm.tm_min = 0;
511
            tm.tm_sec = 0;
512
        } else {
513
            goto date_fail;
514
        }
515
        tm.tm_year -= 1900;
516
        tm.tm_mon--;
517
        rtc_start_date = mktimegm(&tm);
518
        if (rtc_start_date == -1) {
519
        date_fail:
520
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
521
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
522
            exit(1);
523
        }
524
        rtc_date_offset = time(NULL) - rtc_start_date;
525
    }
526
}
527

    
528
static void configure_rtc(QemuOpts *opts)
529
{
530
    const char *value;
531

    
532
    value = qemu_opt_get(opts, "base");
533
    if (value) {
534
        if (!strcmp(value, "utc")) {
535
            rtc_utc = 1;
536
        } else if (!strcmp(value, "localtime")) {
537
            rtc_utc = 0;
538
        } else {
539
            configure_rtc_date_offset(value, 0);
540
        }
541
    }
542
    value = qemu_opt_get(opts, "clock");
543
    if (value) {
544
        if (!strcmp(value, "host")) {
545
            rtc_clock = host_clock;
546
        } else if (!strcmp(value, "rt")) {
547
            rtc_clock = rt_clock;
548
        } else if (!strcmp(value, "vm")) {
549
            rtc_clock = vm_clock;
550
        } else {
551
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
552
            exit(1);
553
        }
554
    }
555
    value = qemu_opt_get(opts, "driftfix");
556
    if (value) {
557
        if (!strcmp(value, "slew")) {
558
            static GlobalProperty slew_lost_ticks[] = {
559
                {
560
                    .driver   = "mc146818rtc",
561
                    .property = "lost_tick_policy",
562
                    .value    = "slew",
563
                },
564
                { /* end of list */ }
565
            };
566

    
567
            qdev_prop_register_global_list(slew_lost_ticks);
568
        } else if (!strcmp(value, "none")) {
569
            /* discard is default */
570
        } else {
571
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
572
            exit(1);
573
        }
574
    }
575
}
576

    
577
/***********************************************************/
578
/* Bluetooth support */
579
static int nb_hcis;
580
static int cur_hci;
581
static struct HCIInfo *hci_table[MAX_NICS];
582

    
583
static struct bt_vlan_s {
584
    struct bt_scatternet_s net;
585
    int id;
586
    struct bt_vlan_s *next;
587
} *first_bt_vlan;
588

    
589
/* find or alloc a new bluetooth "VLAN" */
590
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
591
{
592
    struct bt_vlan_s **pvlan, *vlan;
593
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
594
        if (vlan->id == id)
595
            return &vlan->net;
596
    }
597
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
598
    vlan->id = id;
599
    pvlan = &first_bt_vlan;
600
    while (*pvlan != NULL)
601
        pvlan = &(*pvlan)->next;
602
    *pvlan = vlan;
603
    return &vlan->net;
604
}
605

    
606
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
607
{
608
}
609

    
610
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
611
{
612
    return -ENOTSUP;
613
}
614

    
615
static struct HCIInfo null_hci = {
616
    .cmd_send = null_hci_send,
617
    .sco_send = null_hci_send,
618
    .acl_send = null_hci_send,
619
    .bdaddr_set = null_hci_addr_set,
620
};
621

    
622
struct HCIInfo *qemu_next_hci(void)
623
{
624
    if (cur_hci == nb_hcis)
625
        return &null_hci;
626

    
627
    return hci_table[cur_hci++];
628
}
629

    
630
static struct HCIInfo *hci_init(const char *str)
631
{
632
    char *endp;
633
    struct bt_scatternet_s *vlan = 0;
634

    
635
    if (!strcmp(str, "null"))
636
        /* null */
637
        return &null_hci;
638
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
639
        /* host[:hciN] */
640
        return bt_host_hci(str[4] ? str + 5 : "hci0");
641
    else if (!strncmp(str, "hci", 3)) {
642
        /* hci[,vlan=n] */
643
        if (str[3]) {
644
            if (!strncmp(str + 3, ",vlan=", 6)) {
645
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
646
                if (*endp)
647
                    vlan = 0;
648
            }
649
        } else
650
            vlan = qemu_find_bt_vlan(0);
651
        if (vlan)
652
           return bt_new_hci(vlan);
653
    }
654

    
655
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
656

    
657
    return 0;
658
}
659

    
660
static int bt_hci_parse(const char *str)
661
{
662
    struct HCIInfo *hci;
663
    bdaddr_t bdaddr;
664

    
665
    if (nb_hcis >= MAX_NICS) {
666
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
667
        return -1;
668
    }
669

    
670
    hci = hci_init(str);
671
    if (!hci)
672
        return -1;
673

    
674
    bdaddr.b[0] = 0x52;
675
    bdaddr.b[1] = 0x54;
676
    bdaddr.b[2] = 0x00;
677
    bdaddr.b[3] = 0x12;
678
    bdaddr.b[4] = 0x34;
679
    bdaddr.b[5] = 0x56 + nb_hcis;
680
    hci->bdaddr_set(hci, bdaddr.b);
681

    
682
    hci_table[nb_hcis++] = hci;
683

    
684
    return 0;
685
}
686

    
687
static void bt_vhci_add(int vlan_id)
688
{
689
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
690

    
691
    if (!vlan->slave)
692
        fprintf(stderr, "qemu: warning: adding a VHCI to "
693
                        "an empty scatternet %i\n", vlan_id);
694

    
695
    bt_vhci_init(bt_new_hci(vlan));
696
}
697

    
698
static struct bt_device_s *bt_device_add(const char *opt)
699
{
700
    struct bt_scatternet_s *vlan;
701
    int vlan_id = 0;
702
    char *endp = strstr(opt, ",vlan=");
703
    int len = (endp ? endp - opt : strlen(opt)) + 1;
704
    char devname[10];
705

    
706
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
707

    
708
    if (endp) {
709
        vlan_id = strtol(endp + 6, &endp, 0);
710
        if (*endp) {
711
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
712
            return 0;
713
        }
714
    }
715

    
716
    vlan = qemu_find_bt_vlan(vlan_id);
717

    
718
    if (!vlan->slave)
719
        fprintf(stderr, "qemu: warning: adding a slave device to "
720
                        "an empty scatternet %i\n", vlan_id);
721

    
722
    if (!strcmp(devname, "keyboard"))
723
        return bt_keyboard_init(vlan);
724

    
725
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
726
    return 0;
727
}
728

    
729
static int bt_parse(const char *opt)
730
{
731
    const char *endp, *p;
732
    int vlan;
733

    
734
    if (strstart(opt, "hci", &endp)) {
735
        if (!*endp || *endp == ',') {
736
            if (*endp)
737
                if (!strstart(endp, ",vlan=", 0))
738
                    opt = endp + 1;
739

    
740
            return bt_hci_parse(opt);
741
       }
742
    } else if (strstart(opt, "vhci", &endp)) {
743
        if (!*endp || *endp == ',') {
744
            if (*endp) {
745
                if (strstart(endp, ",vlan=", &p)) {
746
                    vlan = strtol(p, (char **) &endp, 0);
747
                    if (*endp) {
748
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
749
                        return 1;
750
                    }
751
                } else {
752
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
753
                    return 1;
754
                }
755
            } else
756
                vlan = 0;
757

    
758
            bt_vhci_add(vlan);
759
            return 0;
760
        }
761
    } else if (strstart(opt, "device:", &endp))
762
        return !bt_device_add(endp);
763

    
764
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
765
    return 1;
766
}
767

    
768
/***********************************************************/
769
/* QEMU Block devices */
770

    
771
#define HD_OPTS "media=disk"
772
#define CDROM_OPTS "media=cdrom"
773
#define FD_OPTS ""
774
#define PFLASH_OPTS ""
775
#define MTD_OPTS ""
776
#define SD_OPTS ""
777

    
778
static int drive_init_func(QemuOpts *opts, void *opaque)
779
{
780
    int *use_scsi = opaque;
781

    
782
    return drive_init(opts, *use_scsi) == NULL;
783
}
784

    
785
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
786
{
787
    if (NULL == qemu_opt_get(opts, "snapshot")) {
788
        qemu_opt_set(opts, "snapshot", "on");
789
    }
790
    return 0;
791
}
792

    
793
static void default_drive(int enable, int snapshot, int use_scsi,
794
                          BlockInterfaceType type, int index,
795
                          const char *optstr)
796
{
797
    QemuOpts *opts;
798

    
799
    if (type == IF_DEFAULT) {
800
        type = use_scsi ? IF_SCSI : IF_IDE;
801
    }
802

    
803
    if (!enable || drive_get_by_index(type, index)) {
804
        return;
805
    }
806

    
807
    opts = drive_add(type, index, NULL, optstr);
808
    if (snapshot) {
809
        drive_enable_snapshot(opts, NULL);
810
    }
811
    if (!drive_init(opts, use_scsi)) {
812
        exit(1);
813
    }
814
}
815

    
816
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
817
{
818
    boot_set_handler = func;
819
    boot_set_opaque = opaque;
820
}
821

    
822
int qemu_boot_set(const char *boot_devices)
823
{
824
    if (!boot_set_handler) {
825
        return -EINVAL;
826
    }
827
    return boot_set_handler(boot_set_opaque, boot_devices);
828
}
829

    
830
static void validate_bootdevices(char *devices)
831
{
832
    /* We just do some generic consistency checks */
833
    const char *p;
834
    int bitmap = 0;
835

    
836
    for (p = devices; *p != '\0'; p++) {
837
        /* Allowed boot devices are:
838
         * a-b: floppy disk drives
839
         * c-f: IDE disk drives
840
         * g-m: machine implementation dependent drives
841
         * n-p: network devices
842
         * It's up to each machine implementation to check if the given boot
843
         * devices match the actual hardware implementation and firmware
844
         * features.
845
         */
846
        if (*p < 'a' || *p > 'p') {
847
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
848
            exit(1);
849
        }
850
        if (bitmap & (1 << (*p - 'a'))) {
851
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
852
            exit(1);
853
        }
854
        bitmap |= 1 << (*p - 'a');
855
    }
856
}
857

    
858
static void restore_boot_devices(void *opaque)
859
{
860
    char *standard_boot_devices = opaque;
861
    static int first = 1;
862

    
863
    /* Restore boot order and remove ourselves after the first boot */
864
    if (first) {
865
        first = 0;
866
        return;
867
    }
868

    
869
    qemu_boot_set(standard_boot_devices);
870

    
871
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
872
    g_free(standard_boot_devices);
873
}
874

    
875
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
876
                          const char *suffix)
877
{
878
    FWBootEntry *node, *i;
879

    
880
    if (bootindex < 0) {
881
        return;
882
    }
883

    
884
    assert(dev != NULL || suffix != NULL);
885

    
886
    node = g_malloc0(sizeof(FWBootEntry));
887
    node->bootindex = bootindex;
888
    node->suffix = suffix ? g_strdup(suffix) : NULL;
889
    node->dev = dev;
890

    
891
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
892
        if (i->bootindex == bootindex) {
893
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
894
            exit(1);
895
        } else if (i->bootindex < bootindex) {
896
            continue;
897
        }
898
        QTAILQ_INSERT_BEFORE(i, node, link);
899
        return;
900
    }
901
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
902
}
903

    
904
/*
905
 * This function returns null terminated string that consist of new line
906
 * separated device paths.
907
 *
908
 * memory pointed by "size" is assigned total length of the array in bytes
909
 *
910
 */
911
char *get_boot_devices_list(uint32_t *size)
912
{
913
    FWBootEntry *i;
914
    uint32_t total = 0;
915
    char *list = NULL;
916

    
917
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
918
        char *devpath = NULL, *bootpath;
919
        int len;
920

    
921
        if (i->dev) {
922
            devpath = qdev_get_fw_dev_path(i->dev);
923
            assert(devpath);
924
        }
925

    
926
        if (i->suffix && devpath) {
927
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
928

    
929
            bootpath = g_malloc(bootpathlen);
930
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
931
            g_free(devpath);
932
        } else if (devpath) {
933
            bootpath = devpath;
934
        } else {
935
            assert(i->suffix);
936
            bootpath = g_strdup(i->suffix);
937
        }
938

    
939
        if (total) {
940
            list[total-1] = '\n';
941
        }
942
        len = strlen(bootpath) + 1;
943
        list = g_realloc(list, total + len);
944
        memcpy(&list[total], bootpath, len);
945
        total += len;
946
        g_free(bootpath);
947
    }
948

    
949
    *size = total;
950

    
951
    return list;
952
}
953

    
954
static void numa_add(const char *optarg)
955
{
956
    char option[128];
957
    char *endptr;
958
    unsigned long long value, endvalue;
959
    int nodenr;
960

    
961
    value = endvalue = 0ULL;
962

    
963
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
964
    if (!strcmp(option, "node")) {
965
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
966
            nodenr = nb_numa_nodes;
967
        } else {
968
            nodenr = strtoull(option, NULL, 10);
969
        }
970

    
971
        if (get_param_value(option, 128, "mem", optarg) == 0) {
972
            node_mem[nodenr] = 0;
973
        } else {
974
            int64_t sval;
975
            sval = strtosz(option, &endptr);
976
            if (sval < 0 || *endptr) {
977
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
978
                exit(1);
979
            }
980
            node_mem[nodenr] = sval;
981
        }
982
        if (get_param_value(option, 128, "cpus", optarg) != 0) {
983
            value = strtoull(option, &endptr, 10);
984
            if (*endptr == '-') {
985
                endvalue = strtoull(endptr+1, &endptr, 10);
986
            } else {
987
                endvalue = value;
988
            }
989

    
990
            if (!(endvalue < MAX_CPUMASK_BITS)) {
991
                endvalue = MAX_CPUMASK_BITS - 1;
992
                fprintf(stderr,
993
                    "A max of %d CPUs are supported in a guest\n",
994
                     MAX_CPUMASK_BITS);
995
            }
996

    
997
            bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
998
        }
999
        nb_numa_nodes++;
1000
    }
1001
    return;
1002
}
1003

    
1004
static void smp_parse(const char *optarg)
1005
{
1006
    int smp, sockets = 0, threads = 0, cores = 0;
1007
    char *endptr;
1008
    char option[128];
1009

    
1010
    smp = strtoul(optarg, &endptr, 10);
1011
    if (endptr != optarg) {
1012
        if (*endptr == ',') {
1013
            endptr++;
1014
        }
1015
    }
1016
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1017
        sockets = strtoull(option, NULL, 10);
1018
    if (get_param_value(option, 128, "cores", endptr) != 0)
1019
        cores = strtoull(option, NULL, 10);
1020
    if (get_param_value(option, 128, "threads", endptr) != 0)
1021
        threads = strtoull(option, NULL, 10);
1022
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1023
        max_cpus = strtoull(option, NULL, 10);
1024

    
1025
    /* compute missing values, prefer sockets over cores over threads */
1026
    if (smp == 0 || sockets == 0) {
1027
        sockets = sockets > 0 ? sockets : 1;
1028
        cores = cores > 0 ? cores : 1;
1029
        threads = threads > 0 ? threads : 1;
1030
        if (smp == 0) {
1031
            smp = cores * threads * sockets;
1032
        }
1033
    } else {
1034
        if (cores == 0) {
1035
            threads = threads > 0 ? threads : 1;
1036
            cores = smp / (sockets * threads);
1037
        } else {
1038
            threads = smp / (cores * sockets);
1039
        }
1040
    }
1041
    smp_cpus = smp;
1042
    smp_cores = cores > 0 ? cores : 1;
1043
    smp_threads = threads > 0 ? threads : 1;
1044
    if (max_cpus == 0)
1045
        max_cpus = smp_cpus;
1046
}
1047

    
1048
/***********************************************************/
1049
/* USB devices */
1050

    
1051
static int usb_device_add(const char *devname)
1052
{
1053
    const char *p;
1054
    USBDevice *dev = NULL;
1055

    
1056
    if (!usb_enabled)
1057
        return -1;
1058

    
1059
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1060
    dev = usbdevice_create(devname);
1061
    if (dev)
1062
        goto done;
1063

    
1064
    /* the other ones */
1065
#ifndef CONFIG_LINUX
1066
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1067
    if (strstart(devname, "host:", &p)) {
1068
        dev = usb_host_device_open(usb_bus_find(-1), p);
1069
    } else
1070
#endif
1071
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1072
        dev = usb_bt_init(usb_bus_find(-1),
1073
                          devname[2] ? hci_init(p)
1074
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1075
    } else {
1076
        return -1;
1077
    }
1078
    if (!dev)
1079
        return -1;
1080

    
1081
done:
1082
    return 0;
1083
}
1084

    
1085
static int usb_device_del(const char *devname)
1086
{
1087
    int bus_num, addr;
1088
    const char *p;
1089

    
1090
    if (strstart(devname, "host:", &p))
1091
        return usb_host_device_close(p);
1092

    
1093
    if (!usb_enabled)
1094
        return -1;
1095

    
1096
    p = strchr(devname, '.');
1097
    if (!p)
1098
        return -1;
1099
    bus_num = strtoul(devname, NULL, 0);
1100
    addr = strtoul(p + 1, NULL, 0);
1101

    
1102
    return usb_device_delete_addr(bus_num, addr);
1103
}
1104

    
1105
static int usb_parse(const char *cmdline)
1106
{
1107
    int r;
1108
    r = usb_device_add(cmdline);
1109
    if (r < 0) {
1110
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1111
    }
1112
    return r;
1113
}
1114

    
1115
void do_usb_add(Monitor *mon, const QDict *qdict)
1116
{
1117
    const char *devname = qdict_get_str(qdict, "devname");
1118
    if (usb_device_add(devname) < 0) {
1119
        error_report("could not add USB device '%s'", devname);
1120
    }
1121
}
1122

    
1123
void do_usb_del(Monitor *mon, const QDict *qdict)
1124
{
1125
    const char *devname = qdict_get_str(qdict, "devname");
1126
    if (usb_device_del(devname) < 0) {
1127
        error_report("could not delete USB device '%s'", devname);
1128
    }
1129
}
1130

    
1131
/***********************************************************/
1132
/* PCMCIA/Cardbus */
1133

    
1134
static struct pcmcia_socket_entry_s {
1135
    PCMCIASocket *socket;
1136
    struct pcmcia_socket_entry_s *next;
1137
} *pcmcia_sockets = 0;
1138

    
1139
void pcmcia_socket_register(PCMCIASocket *socket)
1140
{
1141
    struct pcmcia_socket_entry_s *entry;
1142

    
1143
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1144
    entry->socket = socket;
1145
    entry->next = pcmcia_sockets;
1146
    pcmcia_sockets = entry;
1147
}
1148

    
1149
void pcmcia_socket_unregister(PCMCIASocket *socket)
1150
{
1151
    struct pcmcia_socket_entry_s *entry, **ptr;
1152

    
1153
    ptr = &pcmcia_sockets;
1154
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1155
        if (entry->socket == socket) {
1156
            *ptr = entry->next;
1157
            g_free(entry);
1158
        }
1159
}
1160

    
1161
void pcmcia_info(Monitor *mon)
1162
{
1163
    struct pcmcia_socket_entry_s *iter;
1164

    
1165
    if (!pcmcia_sockets)
1166
        monitor_printf(mon, "No PCMCIA sockets\n");
1167

    
1168
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1169
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1170
                       iter->socket->attached ? iter->socket->card_string :
1171
                       "Empty");
1172
}
1173

    
1174
/***********************************************************/
1175
/* machine registration */
1176

    
1177
static QEMUMachine *first_machine = NULL;
1178
QEMUMachine *current_machine = NULL;
1179

    
1180
int qemu_register_machine(QEMUMachine *m)
1181
{
1182
    QEMUMachine **pm;
1183
    pm = &first_machine;
1184
    while (*pm != NULL)
1185
        pm = &(*pm)->next;
1186
    m->next = NULL;
1187
    *pm = m;
1188
    return 0;
1189
}
1190

    
1191
static QEMUMachine *find_machine(const char *name)
1192
{
1193
    QEMUMachine *m;
1194

    
1195
    for(m = first_machine; m != NULL; m = m->next) {
1196
        if (!strcmp(m->name, name))
1197
            return m;
1198
        if (m->alias && !strcmp(m->alias, name))
1199
            return m;
1200
    }
1201
    return NULL;
1202
}
1203

    
1204
QEMUMachine *find_default_machine(void)
1205
{
1206
    QEMUMachine *m;
1207

    
1208
    for(m = first_machine; m != NULL; m = m->next) {
1209
        if (m->is_default) {
1210
            return m;
1211
        }
1212
    }
1213
    return NULL;
1214
}
1215

    
1216
MachineInfoList *qmp_query_machines(Error **errp)
1217
{
1218
    MachineInfoList *mach_list = NULL;
1219
    QEMUMachine *m;
1220

    
1221
    for (m = first_machine; m; m = m->next) {
1222
        MachineInfoList *entry;
1223
        MachineInfo *info;
1224

    
1225
        info = g_malloc0(sizeof(*info));
1226
        if (m->is_default) {
1227
            info->has_is_default = true;
1228
            info->is_default = true;
1229
        }
1230

    
1231
        if (m->alias) {
1232
            info->has_alias = true;
1233
            info->alias = g_strdup(m->alias);
1234
        }
1235

    
1236
        info->name = g_strdup(m->name);
1237

    
1238
        entry = g_malloc0(sizeof(*entry));
1239
        entry->value = info;
1240
        entry->next = mach_list;
1241
        mach_list = entry;
1242
    }
1243

    
1244
    return mach_list;
1245
}
1246

    
1247
/***********************************************************/
1248
/* main execution loop */
1249

    
1250
static void gui_update(void *opaque)
1251
{
1252
    uint64_t interval = GUI_REFRESH_INTERVAL;
1253
    DisplayState *ds = opaque;
1254
    DisplayChangeListener *dcl = ds->listeners;
1255

    
1256
    dpy_refresh(ds);
1257

    
1258
    while (dcl != NULL) {
1259
        if (dcl->gui_timer_interval &&
1260
            dcl->gui_timer_interval < interval)
1261
            interval = dcl->gui_timer_interval;
1262
        dcl = dcl->next;
1263
    }
1264
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1265
}
1266

    
1267
struct vm_change_state_entry {
1268
    VMChangeStateHandler *cb;
1269
    void *opaque;
1270
    QLIST_ENTRY (vm_change_state_entry) entries;
1271
};
1272

    
1273
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1274

    
1275
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1276
                                                     void *opaque)
1277
{
1278
    VMChangeStateEntry *e;
1279

    
1280
    e = g_malloc0(sizeof (*e));
1281

    
1282
    e->cb = cb;
1283
    e->opaque = opaque;
1284
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1285
    return e;
1286
}
1287

    
1288
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1289
{
1290
    QLIST_REMOVE (e, entries);
1291
    g_free (e);
1292
}
1293

    
1294
void vm_state_notify(int running, RunState state)
1295
{
1296
    VMChangeStateEntry *e;
1297

    
1298
    trace_vm_state_notify(running, state);
1299

    
1300
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1301
        e->cb(e->opaque, running, state);
1302
    }
1303
}
1304

    
1305
void vm_start(void)
1306
{
1307
    if (!runstate_is_running()) {
1308
        cpu_enable_ticks();
1309
        runstate_set(RUN_STATE_RUNNING);
1310
        vm_state_notify(1, RUN_STATE_RUNNING);
1311
        resume_all_vcpus();
1312
        monitor_protocol_event(QEVENT_RESUME, NULL);
1313
    }
1314
}
1315

    
1316
/* reset/shutdown handler */
1317

    
1318
typedef struct QEMUResetEntry {
1319
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1320
    QEMUResetHandler *func;
1321
    void *opaque;
1322
} QEMUResetEntry;
1323

    
1324
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1325
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1326
static int reset_requested;
1327
static int shutdown_requested, shutdown_signal = -1;
1328
static pid_t shutdown_pid;
1329
static int powerdown_requested;
1330
static int debug_requested;
1331
static int suspend_requested;
1332
static int wakeup_requested;
1333
static NotifierList suspend_notifiers =
1334
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1335
static NotifierList wakeup_notifiers =
1336
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1337
static uint32_t wakeup_reason_mask = ~0;
1338
static RunState vmstop_requested = RUN_STATE_MAX;
1339

    
1340
int qemu_shutdown_requested_get(void)
1341
{
1342
    return shutdown_requested;
1343
}
1344

    
1345
int qemu_reset_requested_get(void)
1346
{
1347
    return reset_requested;
1348
}
1349

    
1350
int qemu_shutdown_requested(void)
1351
{
1352
    int r = shutdown_requested;
1353
    shutdown_requested = 0;
1354
    return r;
1355
}
1356

    
1357
void qemu_kill_report(void)
1358
{
1359
    if (!qtest_enabled() && shutdown_signal != -1) {
1360
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1361
        if (shutdown_pid == 0) {
1362
            /* This happens for eg ^C at the terminal, so it's worth
1363
             * avoiding printing an odd message in that case.
1364
             */
1365
            fputc('\n', stderr);
1366
        } else {
1367
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1368
        }
1369
        shutdown_signal = -1;
1370
    }
1371
}
1372

    
1373
int qemu_reset_requested(void)
1374
{
1375
    int r = reset_requested;
1376
    reset_requested = 0;
1377
    return r;
1378
}
1379

    
1380
static int qemu_suspend_requested(void)
1381
{
1382
    int r = suspend_requested;
1383
    suspend_requested = 0;
1384
    return r;
1385
}
1386

    
1387
static int qemu_wakeup_requested(void)
1388
{
1389
    int r = wakeup_requested;
1390
    wakeup_requested = 0;
1391
    return r;
1392
}
1393

    
1394
int qemu_powerdown_requested(void)
1395
{
1396
    int r = powerdown_requested;
1397
    powerdown_requested = 0;
1398
    return r;
1399
}
1400

    
1401
static int qemu_debug_requested(void)
1402
{
1403
    int r = debug_requested;
1404
    debug_requested = 0;
1405
    return r;
1406
}
1407

    
1408
/* We use RUN_STATE_MAX but any invalid value will do */
1409
static bool qemu_vmstop_requested(RunState *r)
1410
{
1411
    if (vmstop_requested < RUN_STATE_MAX) {
1412
        *r = vmstop_requested;
1413
        vmstop_requested = RUN_STATE_MAX;
1414
        return true;
1415
    }
1416

    
1417
    return false;
1418
}
1419

    
1420
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1421
{
1422
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1423

    
1424
    re->func = func;
1425
    re->opaque = opaque;
1426
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1427
}
1428

    
1429
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1430
{
1431
    QEMUResetEntry *re;
1432

    
1433
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1434
        if (re->func == func && re->opaque == opaque) {
1435
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1436
            g_free(re);
1437
            return;
1438
        }
1439
    }
1440
}
1441

    
1442
void qemu_system_reset(bool report)
1443
{
1444
    QEMUResetEntry *re, *nre;
1445

    
1446
    /* reset all devices */
1447
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1448
        re->func(re->opaque);
1449
    }
1450
    if (report) {
1451
        monitor_protocol_event(QEVENT_RESET, NULL);
1452
    }
1453
    cpu_synchronize_all_post_reset();
1454
}
1455

    
1456
void qemu_system_reset_request(void)
1457
{
1458
    if (no_reboot) {
1459
        shutdown_requested = 1;
1460
    } else {
1461
        reset_requested = 1;
1462
    }
1463
    cpu_stop_current();
1464
    qemu_notify_event();
1465
}
1466

    
1467
static void qemu_system_suspend(void)
1468
{
1469
    pause_all_vcpus();
1470
    notifier_list_notify(&suspend_notifiers, NULL);
1471
    runstate_set(RUN_STATE_SUSPENDED);
1472
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1473
}
1474

    
1475
void qemu_system_suspend_request(void)
1476
{
1477
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1478
        return;
1479
    }
1480
    suspend_requested = 1;
1481
    cpu_stop_current();
1482
    qemu_notify_event();
1483
}
1484

    
1485
void qemu_register_suspend_notifier(Notifier *notifier)
1486
{
1487
    notifier_list_add(&suspend_notifiers, notifier);
1488
}
1489

    
1490
void qemu_system_wakeup_request(WakeupReason reason)
1491
{
1492
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1493
        return;
1494
    }
1495
    if (!(wakeup_reason_mask & (1 << reason))) {
1496
        return;
1497
    }
1498
    runstate_set(RUN_STATE_RUNNING);
1499
    notifier_list_notify(&wakeup_notifiers, &reason);
1500
    wakeup_requested = 1;
1501
    qemu_notify_event();
1502
}
1503

    
1504
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1505
{
1506
    if (enabled) {
1507
        wakeup_reason_mask |= (1 << reason);
1508
    } else {
1509
        wakeup_reason_mask &= ~(1 << reason);
1510
    }
1511
}
1512

    
1513
void qemu_register_wakeup_notifier(Notifier *notifier)
1514
{
1515
    notifier_list_add(&wakeup_notifiers, notifier);
1516
}
1517

    
1518
void qemu_system_killed(int signal, pid_t pid)
1519
{
1520
    shutdown_signal = signal;
1521
    shutdown_pid = pid;
1522
    no_shutdown = 0;
1523
    qemu_system_shutdown_request();
1524
}
1525

    
1526
void qemu_system_shutdown_request(void)
1527
{
1528
    shutdown_requested = 1;
1529
    qemu_notify_event();
1530
}
1531

    
1532
void qemu_system_powerdown_request(void)
1533
{
1534
    powerdown_requested = 1;
1535
    qemu_notify_event();
1536
}
1537

    
1538
void qemu_system_debug_request(void)
1539
{
1540
    debug_requested = 1;
1541
    qemu_notify_event();
1542
}
1543

    
1544
void qemu_system_vmstop_request(RunState state)
1545
{
1546
    vmstop_requested = state;
1547
    qemu_notify_event();
1548
}
1549

    
1550
qemu_irq qemu_system_powerdown;
1551

    
1552
static bool main_loop_should_exit(void)
1553
{
1554
    RunState r;
1555
    if (qemu_debug_requested()) {
1556
        vm_stop(RUN_STATE_DEBUG);
1557
    }
1558
    if (qemu_suspend_requested()) {
1559
        qemu_system_suspend();
1560
    }
1561
    if (qemu_shutdown_requested()) {
1562
        qemu_kill_report();
1563
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1564
        if (no_shutdown) {
1565
            vm_stop(RUN_STATE_SHUTDOWN);
1566
        } else {
1567
            return true;
1568
        }
1569
    }
1570
    if (qemu_reset_requested()) {
1571
        pause_all_vcpus();
1572
        cpu_synchronize_all_states();
1573
        qemu_system_reset(VMRESET_REPORT);
1574
        resume_all_vcpus();
1575
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1576
            runstate_check(RUN_STATE_SHUTDOWN)) {
1577
            runstate_set(RUN_STATE_PAUSED);
1578
        }
1579
    }
1580
    if (qemu_wakeup_requested()) {
1581
        pause_all_vcpus();
1582
        cpu_synchronize_all_states();
1583
        qemu_system_reset(VMRESET_SILENT);
1584
        resume_all_vcpus();
1585
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1586
    }
1587
    if (qemu_powerdown_requested()) {
1588
        monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1589
        qemu_irq_raise(qemu_system_powerdown);
1590
    }
1591
    if (qemu_vmstop_requested(&r)) {
1592
        vm_stop(r);
1593
    }
1594
    return false;
1595
}
1596

    
1597
static void main_loop(void)
1598
{
1599
    bool nonblocking;
1600
    int last_io = 0;
1601
#ifdef CONFIG_PROFILER
1602
    int64_t ti;
1603
#endif
1604
    do {
1605
        nonblocking = !kvm_enabled() && last_io > 0;
1606
#ifdef CONFIG_PROFILER
1607
        ti = profile_getclock();
1608
#endif
1609
        last_io = main_loop_wait(nonblocking);
1610
#ifdef CONFIG_PROFILER
1611
        dev_time += profile_getclock() - ti;
1612
#endif
1613
    } while (!main_loop_should_exit());
1614
}
1615

    
1616
static void version(void)
1617
{
1618
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1619
}
1620

    
1621
static void help(int exitcode)
1622
{
1623
    version();
1624
    printf("usage: %s [options] [disk_image]\n\n"
1625
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1626
            error_get_progname());
1627

    
1628
#define QEMU_OPTIONS_GENERATE_HELP
1629
#include "qemu-options-wrapper.h"
1630

    
1631
    printf("\nDuring emulation, the following keys are useful:\n"
1632
           "ctrl-alt-f      toggle full screen\n"
1633
           "ctrl-alt-n      switch to virtual console 'n'\n"
1634
           "ctrl-alt        toggle mouse and keyboard grab\n"
1635
           "\n"
1636
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1637

    
1638
    exit(exitcode);
1639
}
1640

    
1641
#define HAS_ARG 0x0001
1642

    
1643
typedef struct QEMUOption {
1644
    const char *name;
1645
    int flags;
1646
    int index;
1647
    uint32_t arch_mask;
1648
} QEMUOption;
1649

    
1650
static const QEMUOption qemu_options[] = {
1651
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1652
#define QEMU_OPTIONS_GENERATE_OPTIONS
1653
#include "qemu-options-wrapper.h"
1654
    { NULL },
1655
};
1656

    
1657
static bool vga_available(void)
1658
{
1659
    return qdev_exists("VGA") || qdev_exists("isa-vga");
1660
}
1661

    
1662
static bool cirrus_vga_available(void)
1663
{
1664
    return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1665
}
1666

    
1667
static bool vmware_vga_available(void)
1668
{
1669
    return qdev_exists("vmware-svga");
1670
}
1671

    
1672
static void select_vgahw (const char *p)
1673
{
1674
    const char *opts;
1675

    
1676
    vga_interface_type = VGA_NONE;
1677
    if (strstart(p, "std", &opts)) {
1678
        if (vga_available()) {
1679
            vga_interface_type = VGA_STD;
1680
        } else {
1681
            fprintf(stderr, "Error: standard VGA not available\n");
1682
            exit(0);
1683
        }
1684
    } else if (strstart(p, "cirrus", &opts)) {
1685
        if (cirrus_vga_available()) {
1686
            vga_interface_type = VGA_CIRRUS;
1687
        } else {
1688
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1689
            exit(0);
1690
        }
1691
    } else if (strstart(p, "vmware", &opts)) {
1692
        if (vmware_vga_available()) {
1693
            vga_interface_type = VGA_VMWARE;
1694
        } else {
1695
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1696
            exit(0);
1697
        }
1698
    } else if (strstart(p, "xenfb", &opts)) {
1699
        vga_interface_type = VGA_XENFB;
1700
    } else if (strstart(p, "qxl", &opts)) {
1701
        vga_interface_type = VGA_QXL;
1702
    } else if (!strstart(p, "none", &opts)) {
1703
    invalid_vga:
1704
        fprintf(stderr, "Unknown vga type: %s\n", p);
1705
        exit(1);
1706
    }
1707
    while (*opts) {
1708
        const char *nextopt;
1709

    
1710
        if (strstart(opts, ",retrace=", &nextopt)) {
1711
            opts = nextopt;
1712
            if (strstart(opts, "dumb", &nextopt))
1713
                vga_retrace_method = VGA_RETRACE_DUMB;
1714
            else if (strstart(opts, "precise", &nextopt))
1715
                vga_retrace_method = VGA_RETRACE_PRECISE;
1716
            else goto invalid_vga;
1717
        } else goto invalid_vga;
1718
        opts = nextopt;
1719
    }
1720
}
1721

    
1722
static DisplayType select_display(const char *p)
1723
{
1724
    const char *opts;
1725
    DisplayType display = DT_DEFAULT;
1726

    
1727
    if (strstart(p, "sdl", &opts)) {
1728
#ifdef CONFIG_SDL
1729
        display = DT_SDL;
1730
        while (*opts) {
1731
            const char *nextopt;
1732

    
1733
            if (strstart(opts, ",frame=", &nextopt)) {
1734
                opts = nextopt;
1735
                if (strstart(opts, "on", &nextopt)) {
1736
                    no_frame = 0;
1737
                } else if (strstart(opts, "off", &nextopt)) {
1738
                    no_frame = 1;
1739
                } else {
1740
                    goto invalid_sdl_args;
1741
                }
1742
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1743
                opts = nextopt;
1744
                if (strstart(opts, "on", &nextopt)) {
1745
                    alt_grab = 1;
1746
                } else if (strstart(opts, "off", &nextopt)) {
1747
                    alt_grab = 0;
1748
                } else {
1749
                    goto invalid_sdl_args;
1750
                }
1751
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1752
                opts = nextopt;
1753
                if (strstart(opts, "on", &nextopt)) {
1754
                    ctrl_grab = 1;
1755
                } else if (strstart(opts, "off", &nextopt)) {
1756
                    ctrl_grab = 0;
1757
                } else {
1758
                    goto invalid_sdl_args;
1759
                }
1760
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1761
                opts = nextopt;
1762
                if (strstart(opts, "on", &nextopt)) {
1763
                    no_quit = 0;
1764
                } else if (strstart(opts, "off", &nextopt)) {
1765
                    no_quit = 1;
1766
                } else {
1767
                    goto invalid_sdl_args;
1768
                }
1769
            } else {
1770
            invalid_sdl_args:
1771
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1772
                exit(1);
1773
            }
1774
            opts = nextopt;
1775
        }
1776
#else
1777
        fprintf(stderr, "SDL support is disabled\n");
1778
        exit(1);
1779
#endif
1780
    } else if (strstart(p, "vnc", &opts)) {
1781
#ifdef CONFIG_VNC
1782
        display_remote++;
1783

    
1784
        if (*opts) {
1785
            const char *nextopt;
1786

    
1787
            if (strstart(opts, "=", &nextopt)) {
1788
                vnc_display = nextopt;
1789
            }
1790
        }
1791
        if (!vnc_display) {
1792
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1793
            exit(1);
1794
        }
1795
#else
1796
        fprintf(stderr, "VNC support is disabled\n");
1797
        exit(1);
1798
#endif
1799
    } else if (strstart(p, "curses", &opts)) {
1800
#ifdef CONFIG_CURSES
1801
        display = DT_CURSES;
1802
#else
1803
        fprintf(stderr, "Curses support is disabled\n");
1804
        exit(1);
1805
#endif
1806
    } else if (strstart(p, "none", &opts)) {
1807
        display = DT_NONE;
1808
    } else {
1809
        fprintf(stderr, "Unknown display type: %s\n", p);
1810
        exit(1);
1811
    }
1812

    
1813
    return display;
1814
}
1815

    
1816
static int balloon_parse(const char *arg)
1817
{
1818
    QemuOpts *opts;
1819

    
1820
    if (strcmp(arg, "none") == 0) {
1821
        return 0;
1822
    }
1823

    
1824
    if (!strncmp(arg, "virtio", 6)) {
1825
        if (arg[6] == ',') {
1826
            /* have params -> parse them */
1827
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1828
            if (!opts)
1829
                return  -1;
1830
        } else {
1831
            /* create empty opts */
1832
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1833
        }
1834
        qemu_opt_set(opts, "driver", "virtio-balloon");
1835
        return 0;
1836
    }
1837

    
1838
    return -1;
1839
}
1840

    
1841
char *qemu_find_file(int type, const char *name)
1842
{
1843
    int len;
1844
    const char *subdir;
1845
    char *buf;
1846

    
1847
    /* Try the name as a straight path first */
1848
    if (access(name, R_OK) == 0) {
1849
        return g_strdup(name);
1850
    }
1851
    switch (type) {
1852
    case QEMU_FILE_TYPE_BIOS:
1853
        subdir = "";
1854
        break;
1855
    case QEMU_FILE_TYPE_KEYMAP:
1856
        subdir = "keymaps/";
1857
        break;
1858
    default:
1859
        abort();
1860
    }
1861
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1862
    buf = g_malloc0(len);
1863
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1864
    if (access(buf, R_OK)) {
1865
        g_free(buf);
1866
        return NULL;
1867
    }
1868
    return buf;
1869
}
1870

    
1871
static int device_help_func(QemuOpts *opts, void *opaque)
1872
{
1873
    return qdev_device_help(opts);
1874
}
1875

    
1876
static int device_init_func(QemuOpts *opts, void *opaque)
1877
{
1878
    DeviceState *dev;
1879

    
1880
    dev = qdev_device_add(opts);
1881
    if (!dev)
1882
        return -1;
1883
    return 0;
1884
}
1885

    
1886
static int chardev_init_func(QemuOpts *opts, void *opaque)
1887
{
1888
    CharDriverState *chr;
1889

    
1890
    chr = qemu_chr_new_from_opts(opts, NULL);
1891
    if (!chr)
1892
        return -1;
1893
    return 0;
1894
}
1895

    
1896
#ifdef CONFIG_VIRTFS
1897
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1898
{
1899
    int ret;
1900
    ret = qemu_fsdev_add(opts);
1901

    
1902
    return ret;
1903
}
1904
#endif
1905

    
1906
static int mon_init_func(QemuOpts *opts, void *opaque)
1907
{
1908
    CharDriverState *chr;
1909
    const char *chardev;
1910
    const char *mode;
1911
    int flags;
1912

    
1913
    mode = qemu_opt_get(opts, "mode");
1914
    if (mode == NULL) {
1915
        mode = "readline";
1916
    }
1917
    if (strcmp(mode, "readline") == 0) {
1918
        flags = MONITOR_USE_READLINE;
1919
    } else if (strcmp(mode, "control") == 0) {
1920
        flags = MONITOR_USE_CONTROL;
1921
    } else {
1922
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1923
        exit(1);
1924
    }
1925

    
1926
    if (qemu_opt_get_bool(opts, "pretty", 0))
1927
        flags |= MONITOR_USE_PRETTY;
1928

    
1929
    if (qemu_opt_get_bool(opts, "default", 0))
1930
        flags |= MONITOR_IS_DEFAULT;
1931

    
1932
    chardev = qemu_opt_get(opts, "chardev");
1933
    chr = qemu_chr_find(chardev);
1934
    if (chr == NULL) {
1935
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1936
        exit(1);
1937
    }
1938

    
1939
    monitor_init(chr, flags);
1940
    return 0;
1941
}
1942

    
1943
static void monitor_parse(const char *optarg, const char *mode)
1944
{
1945
    static int monitor_device_index = 0;
1946
    QemuOpts *opts;
1947
    const char *p;
1948
    char label[32];
1949
    int def = 0;
1950

    
1951
    if (strstart(optarg, "chardev:", &p)) {
1952
        snprintf(label, sizeof(label), "%s", p);
1953
    } else {
1954
        snprintf(label, sizeof(label), "compat_monitor%d",
1955
                 monitor_device_index);
1956
        if (monitor_device_index == 0) {
1957
            def = 1;
1958
        }
1959
        opts = qemu_chr_parse_compat(label, optarg);
1960
        if (!opts) {
1961
            fprintf(stderr, "parse error: %s\n", optarg);
1962
            exit(1);
1963
        }
1964
    }
1965

    
1966
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1967
    if (!opts) {
1968
        fprintf(stderr, "duplicate chardev: %s\n", label);
1969
        exit(1);
1970
    }
1971
    qemu_opt_set(opts, "mode", mode);
1972
    qemu_opt_set(opts, "chardev", label);
1973
    if (def)
1974
        qemu_opt_set(opts, "default", "on");
1975
    monitor_device_index++;
1976
}
1977

    
1978
struct device_config {
1979
    enum {
1980
        DEV_USB,       /* -usbdevice     */
1981
        DEV_BT,        /* -bt            */
1982
        DEV_SERIAL,    /* -serial        */
1983
        DEV_PARALLEL,  /* -parallel      */
1984
        DEV_VIRTCON,   /* -virtioconsole */
1985
        DEV_DEBUGCON,  /* -debugcon */
1986
        DEV_GDB,       /* -gdb, -s */
1987
    } type;
1988
    const char *cmdline;
1989
    Location loc;
1990
    QTAILQ_ENTRY(device_config) next;
1991
};
1992
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1993

    
1994
static void add_device_config(int type, const char *cmdline)
1995
{
1996
    struct device_config *conf;
1997

    
1998
    conf = g_malloc0(sizeof(*conf));
1999
    conf->type = type;
2000
    conf->cmdline = cmdline;
2001
    loc_save(&conf->loc);
2002
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2003
}
2004

    
2005
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2006
{
2007
    struct device_config *conf;
2008
    int rc;
2009

    
2010
    QTAILQ_FOREACH(conf, &device_configs, next) {
2011
        if (conf->type != type)
2012
            continue;
2013
        loc_push_restore(&conf->loc);
2014
        rc = func(conf->cmdline);
2015
        loc_pop(&conf->loc);
2016
        if (0 != rc)
2017
            return rc;
2018
    }
2019
    return 0;
2020
}
2021

    
2022
static int serial_parse(const char *devname)
2023
{
2024
    static int index = 0;
2025
    char label[32];
2026

    
2027
    if (strcmp(devname, "none") == 0)
2028
        return 0;
2029
    if (index == MAX_SERIAL_PORTS) {
2030
        fprintf(stderr, "qemu: too many serial ports\n");
2031
        exit(1);
2032
    }
2033
    snprintf(label, sizeof(label), "serial%d", index);
2034
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2035
    if (!serial_hds[index]) {
2036
        fprintf(stderr, "qemu: could not connect serial device"
2037
                " to character backend '%s'\n", devname);
2038
        return -1;
2039
    }
2040
    index++;
2041
    return 0;
2042
}
2043

    
2044
static int parallel_parse(const char *devname)
2045
{
2046
    static int index = 0;
2047
    char label[32];
2048

    
2049
    if (strcmp(devname, "none") == 0)
2050
        return 0;
2051
    if (index == MAX_PARALLEL_PORTS) {
2052
        fprintf(stderr, "qemu: too many parallel ports\n");
2053
        exit(1);
2054
    }
2055
    snprintf(label, sizeof(label), "parallel%d", index);
2056
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2057
    if (!parallel_hds[index]) {
2058
        fprintf(stderr, "qemu: could not connect parallel device"
2059
                " to character backend '%s'\n", devname);
2060
        return -1;
2061
    }
2062
    index++;
2063
    return 0;
2064
}
2065

    
2066
static int virtcon_parse(const char *devname)
2067
{
2068
    QemuOptsList *device = qemu_find_opts("device");
2069
    static int index = 0;
2070
    char label[32];
2071
    QemuOpts *bus_opts, *dev_opts;
2072

    
2073
    if (strcmp(devname, "none") == 0)
2074
        return 0;
2075
    if (index == MAX_VIRTIO_CONSOLES) {
2076
        fprintf(stderr, "qemu: too many virtio consoles\n");
2077
        exit(1);
2078
    }
2079

    
2080
    bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2081
    if (arch_type == QEMU_ARCH_S390X) {
2082
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2083
    } else {
2084
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2085
    } 
2086

    
2087
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2088
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2089

    
2090
    snprintf(label, sizeof(label), "virtcon%d", index);
2091
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2092
    if (!virtcon_hds[index]) {
2093
        fprintf(stderr, "qemu: could not connect virtio console"
2094
                " to character backend '%s'\n", devname);
2095
        return -1;
2096
    }
2097
    qemu_opt_set(dev_opts, "chardev", label);
2098

    
2099
    index++;
2100
    return 0;
2101
}
2102

    
2103
static int debugcon_parse(const char *devname)
2104
{   
2105
    QemuOpts *opts;
2106

    
2107
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2108
        exit(1);
2109
    }
2110
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2111
    if (!opts) {
2112
        fprintf(stderr, "qemu: already have a debugcon device\n");
2113
        exit(1);
2114
    }
2115
    qemu_opt_set(opts, "driver", "isa-debugcon");
2116
    qemu_opt_set(opts, "chardev", "debugcon");
2117
    return 0;
2118
}
2119

    
2120
static QEMUMachine *machine_parse(const char *name)
2121
{
2122
    QEMUMachine *m, *machine = NULL;
2123

    
2124
    if (name) {
2125
        machine = find_machine(name);
2126
    }
2127
    if (machine) {
2128
        return machine;
2129
    }
2130
    printf("Supported machines are:\n");
2131
    for (m = first_machine; m != NULL; m = m->next) {
2132
        if (m->alias) {
2133
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2134
        }
2135
        printf("%-20s %s%s\n", m->name, m->desc,
2136
               m->is_default ? " (default)" : "");
2137
    }
2138
    exit(!name || !is_help_option(name));
2139
}
2140

    
2141
static int tcg_init(void)
2142
{
2143
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2144
    return 0;
2145
}
2146

    
2147
static struct {
2148
    const char *opt_name;
2149
    const char *name;
2150
    int (*available)(void);
2151
    int (*init)(void);
2152
    int *allowed;
2153
} accel_list[] = {
2154
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2155
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2156
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2157
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2158
};
2159

    
2160
static int configure_accelerator(void)
2161
{
2162
    const char *p = NULL;
2163
    char buf[10];
2164
    int i, ret;
2165
    bool accel_initialised = 0;
2166
    bool init_failed = 0;
2167

    
2168
    QemuOptsList *list = qemu_find_opts("machine");
2169
    if (!QTAILQ_EMPTY(&list->head)) {
2170
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2171
    }
2172

    
2173
    if (p == NULL) {
2174
        /* Use the default "accelerator", tcg */
2175
        p = "tcg";
2176
    }
2177

    
2178
    while (!accel_initialised && *p != '\0') {
2179
        if (*p == ':') {
2180
            p++;
2181
        }
2182
        p = get_opt_name(buf, sizeof (buf), p, ':');
2183
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2184
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2185
                *(accel_list[i].allowed) = 1;
2186
                ret = accel_list[i].init();
2187
                if (ret < 0) {
2188
                    init_failed = 1;
2189
                    if (!accel_list[i].available()) {
2190
                        printf("%s not supported for this target\n",
2191
                               accel_list[i].name);
2192
                    } else {
2193
                        fprintf(stderr, "failed to initialize %s: %s\n",
2194
                                accel_list[i].name,
2195
                                strerror(-ret));
2196
                    }
2197
                    *(accel_list[i].allowed) = 0;
2198
                } else {
2199
                    accel_initialised = 1;
2200
                }
2201
                break;
2202
            }
2203
        }
2204
        if (i == ARRAY_SIZE(accel_list)) {
2205
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2206
        }
2207
    }
2208

    
2209
    if (!accel_initialised) {
2210
        fprintf(stderr, "No accelerator found!\n");
2211
        exit(1);
2212
    }
2213

    
2214
    if (init_failed) {
2215
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2216
    }
2217

    
2218
    return !accel_initialised;
2219
}
2220

    
2221
void qemu_add_exit_notifier(Notifier *notify)
2222
{
2223
    notifier_list_add(&exit_notifiers, notify);
2224
}
2225

    
2226
void qemu_remove_exit_notifier(Notifier *notify)
2227
{
2228
    notifier_remove(notify);
2229
}
2230

    
2231
static void qemu_run_exit_notifiers(void)
2232
{
2233
    notifier_list_notify(&exit_notifiers, NULL);
2234
}
2235

    
2236
void qemu_add_machine_init_done_notifier(Notifier *notify)
2237
{
2238
    notifier_list_add(&machine_init_done_notifiers, notify);
2239
}
2240

    
2241
static void qemu_run_machine_init_done_notifiers(void)
2242
{
2243
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2244
}
2245

    
2246
static const QEMUOption *lookup_opt(int argc, char **argv,
2247
                                    const char **poptarg, int *poptind)
2248
{
2249
    const QEMUOption *popt;
2250
    int optind = *poptind;
2251
    char *r = argv[optind];
2252
    const char *optarg;
2253

    
2254
    loc_set_cmdline(argv, optind, 1);
2255
    optind++;
2256
    /* Treat --foo the same as -foo.  */
2257
    if (r[1] == '-')
2258
        r++;
2259
    popt = qemu_options;
2260
    for(;;) {
2261
        if (!popt->name) {
2262
            error_report("invalid option");
2263
            exit(1);
2264
        }
2265
        if (!strcmp(popt->name, r + 1))
2266
            break;
2267
        popt++;
2268
    }
2269
    if (popt->flags & HAS_ARG) {
2270
        if (optind >= argc) {
2271
            error_report("requires an argument");
2272
            exit(1);
2273
        }
2274
        optarg = argv[optind++];
2275
        loc_set_cmdline(argv, optind - 2, 2);
2276
    } else {
2277
        optarg = NULL;
2278
    }
2279

    
2280
    *poptarg = optarg;
2281
    *poptind = optind;
2282

    
2283
    return popt;
2284
}
2285

    
2286
static gpointer malloc_and_trace(gsize n_bytes)
2287
{
2288
    void *ptr = malloc(n_bytes);
2289
    trace_g_malloc(n_bytes, ptr);
2290
    return ptr;
2291
}
2292

    
2293
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2294
{
2295
    void *ptr = realloc(mem, n_bytes);
2296
    trace_g_realloc(mem, n_bytes, ptr);
2297
    return ptr;
2298
}
2299

    
2300
static void free_and_trace(gpointer mem)
2301
{
2302
    trace_g_free(mem);
2303
    free(mem);
2304
}
2305

    
2306
int qemu_init_main_loop(void)
2307
{
2308
    return main_loop_init();
2309
}
2310

    
2311
int main(int argc, char **argv, char **envp)
2312
{
2313
    int i;
2314
    int snapshot, linux_boot;
2315
    const char *icount_option = NULL;
2316
    const char *initrd_filename;
2317
    const char *kernel_filename, *kernel_cmdline;
2318
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2319
    DisplayState *ds;
2320
    DisplayChangeListener *dcl;
2321
    int cyls, heads, secs, translation;
2322
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2323
    QemuOptsList *olist;
2324
    int optind;
2325
    const char *optarg;
2326
    const char *loadvm = NULL;
2327
    QEMUMachine *machine;
2328
    const char *cpu_model;
2329
    const char *vga_model = "none";
2330
    const char *pid_file = NULL;
2331
    const char *incoming = NULL;
2332
#ifdef CONFIG_VNC
2333
    int show_vnc_port = 0;
2334
#endif
2335
    bool defconfig = true;
2336
    bool userconfig = true;
2337
    const char *log_mask = NULL;
2338
    const char *log_file = NULL;
2339
    GMemVTable mem_trace = {
2340
        .malloc = malloc_and_trace,
2341
        .realloc = realloc_and_trace,
2342
        .free = free_and_trace,
2343
    };
2344
    const char *trace_events = NULL;
2345
    const char *trace_file = NULL;
2346

    
2347
    atexit(qemu_run_exit_notifiers);
2348
    error_set_progname(argv[0]);
2349

    
2350
    g_mem_set_vtable(&mem_trace);
2351
    if (!g_thread_supported()) {
2352
#if !GLIB_CHECK_VERSION(2, 31, 0)
2353
        g_thread_init(NULL);
2354
#else
2355
        fprintf(stderr, "glib threading failed to initialize.\n");
2356
        exit(1);
2357
#endif
2358
    }
2359

    
2360
    module_call_init(MODULE_INIT_QOM);
2361

    
2362
    runstate_init();
2363

    
2364
    init_clocks();
2365
    rtc_clock = host_clock;
2366

    
2367
    qemu_cache_utils_init(envp);
2368

    
2369
    QLIST_INIT (&vm_change_state_head);
2370
    os_setup_early_signal_handling();
2371

    
2372
    module_call_init(MODULE_INIT_MACHINE);
2373
    machine = find_default_machine();
2374
    cpu_model = NULL;
2375
    ram_size = 0;
2376
    snapshot = 0;
2377
    cyls = heads = secs = 0;
2378
    translation = BIOS_ATA_TRANSLATION_AUTO;
2379

    
2380
    for (i = 0; i < MAX_NODES; i++) {
2381
        node_mem[i] = 0;
2382
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2383
    }
2384

    
2385
    nb_numa_nodes = 0;
2386
    nb_nics = 0;
2387

    
2388
    autostart= 1;
2389

    
2390
    /* first pass of option parsing */
2391
    optind = 1;
2392
    while (optind < argc) {
2393
        if (argv[optind][0] != '-') {
2394
            /* disk image */
2395
            optind++;
2396
            continue;
2397
        } else {
2398
            const QEMUOption *popt;
2399

    
2400
            popt = lookup_opt(argc, argv, &optarg, &optind);
2401
            switch (popt->index) {
2402
            case QEMU_OPTION_nodefconfig:
2403
                defconfig = false;
2404
                break;
2405
            case QEMU_OPTION_nouserconfig:
2406
                userconfig = false;
2407
                break;
2408
            }
2409
        }
2410
    }
2411

    
2412
    if (defconfig) {
2413
        int ret;
2414
        ret = qemu_read_default_config_files(userconfig);
2415
        if (ret < 0) {
2416
            exit(1);
2417
        }
2418
    }
2419

    
2420
    /* second pass of option parsing */
2421
    optind = 1;
2422
    for(;;) {
2423
        if (optind >= argc)
2424
            break;
2425
        if (argv[optind][0] != '-') {
2426
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2427
        } else {
2428
            const QEMUOption *popt;
2429

    
2430
            popt = lookup_opt(argc, argv, &optarg, &optind);
2431
            if (!(popt->arch_mask & arch_type)) {
2432
                printf("Option %s not supported for this target\n", popt->name);
2433
                exit(1);
2434
            }
2435
            switch(popt->index) {
2436
            case QEMU_OPTION_M:
2437
                machine = machine_parse(optarg);
2438
                break;
2439
            case QEMU_OPTION_cpu:
2440
                /* hw initialization will check this */
2441
                cpu_model = optarg;
2442
                break;
2443
            case QEMU_OPTION_hda:
2444
                {
2445
                    char buf[256];
2446
                    if (cyls == 0)
2447
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2448
                    else
2449
                        snprintf(buf, sizeof(buf),
2450
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2451
                                 HD_OPTS , cyls, heads, secs,
2452
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2453
                                 ",trans=lba" :
2454
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2455
                                 ",trans=none" : "");
2456
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2457
                    break;
2458
                }
2459
            case QEMU_OPTION_hdb:
2460
            case QEMU_OPTION_hdc:
2461
            case QEMU_OPTION_hdd:
2462
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2463
                          HD_OPTS);
2464
                break;
2465
            case QEMU_OPTION_drive:
2466
                if (drive_def(optarg) == NULL) {
2467
                    exit(1);
2468
                }
2469
                break;
2470
            case QEMU_OPTION_set:
2471
                if (qemu_set_option(optarg) != 0)
2472
                    exit(1);
2473
                break;
2474
            case QEMU_OPTION_global:
2475
                if (qemu_global_option(optarg) != 0)
2476
                    exit(1);
2477
                break;
2478
            case QEMU_OPTION_mtdblock:
2479
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2480
                break;
2481
            case QEMU_OPTION_sd:
2482
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2483
                break;
2484
            case QEMU_OPTION_pflash:
2485
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2486
                break;
2487
            case QEMU_OPTION_snapshot:
2488
                snapshot = 1;
2489
                break;
2490
            case QEMU_OPTION_hdachs:
2491
                {
2492
                    const char *p;
2493
                    p = optarg;
2494
                    cyls = strtol(p, (char **)&p, 0);
2495
                    if (cyls < 1 || cyls > 16383)
2496
                        goto chs_fail;
2497
                    if (*p != ',')
2498
                        goto chs_fail;
2499
                    p++;
2500
                    heads = strtol(p, (char **)&p, 0);
2501
                    if (heads < 1 || heads > 16)
2502
                        goto chs_fail;
2503
                    if (*p != ',')
2504
                        goto chs_fail;
2505
                    p++;
2506
                    secs = strtol(p, (char **)&p, 0);
2507
                    if (secs < 1 || secs > 63)
2508
                        goto chs_fail;
2509
                    if (*p == ',') {
2510
                        p++;
2511
                        if (!strcmp(p, "none"))
2512
                            translation = BIOS_ATA_TRANSLATION_NONE;
2513
                        else if (!strcmp(p, "lba"))
2514
                            translation = BIOS_ATA_TRANSLATION_LBA;
2515
                        else if (!strcmp(p, "auto"))
2516
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2517
                        else
2518
                            goto chs_fail;
2519
                    } else if (*p != '\0') {
2520
                    chs_fail:
2521
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2522
                        exit(1);
2523
                    }
2524
                    if (hda_opts != NULL) {
2525
                        char num[16];
2526
                        snprintf(num, sizeof(num), "%d", cyls);
2527
                        qemu_opt_set(hda_opts, "cyls", num);
2528
                        snprintf(num, sizeof(num), "%d", heads);
2529
                        qemu_opt_set(hda_opts, "heads", num);
2530
                        snprintf(num, sizeof(num), "%d", secs);
2531
                        qemu_opt_set(hda_opts, "secs", num);
2532
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2533
                            qemu_opt_set(hda_opts, "trans", "lba");
2534
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2535
                            qemu_opt_set(hda_opts, "trans", "none");
2536
                    }
2537
                }
2538
                break;
2539
            case QEMU_OPTION_numa:
2540
                if (nb_numa_nodes >= MAX_NODES) {
2541
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2542
                    exit(1);
2543
                }
2544
                numa_add(optarg);
2545
                break;
2546
            case QEMU_OPTION_display:
2547
                display_type = select_display(optarg);
2548
                break;
2549
            case QEMU_OPTION_nographic:
2550
                display_type = DT_NOGRAPHIC;
2551
                break;
2552
            case QEMU_OPTION_curses:
2553
#ifdef CONFIG_CURSES
2554
                display_type = DT_CURSES;
2555
#else
2556
                fprintf(stderr, "Curses support is disabled\n");
2557
                exit(1);
2558
#endif
2559
                break;
2560
            case QEMU_OPTION_portrait:
2561
                graphic_rotate = 90;
2562
                break;
2563
            case QEMU_OPTION_rotate:
2564
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2565
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2566
                    graphic_rotate != 180 && graphic_rotate != 270) {
2567
                    fprintf(stderr,
2568
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2569
                    exit(1);
2570
                }
2571
                break;
2572
            case QEMU_OPTION_kernel:
2573
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2574
                break;
2575
            case QEMU_OPTION_initrd:
2576
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2577
                break;
2578
            case QEMU_OPTION_append:
2579
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2580
                break;
2581
            case QEMU_OPTION_dtb:
2582
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2583
                break;
2584
            case QEMU_OPTION_cdrom:
2585
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2586
                break;
2587
            case QEMU_OPTION_boot:
2588
                {
2589
                    static const char * const params[] = {
2590
                        "order", "once", "menu",
2591
                        "splash", "splash-time", NULL
2592
                    };
2593
                    char buf[sizeof(boot_devices)];
2594
                    char *standard_boot_devices;
2595
                    int legacy = 0;
2596

    
2597
                    if (!strchr(optarg, '=')) {
2598
                        legacy = 1;
2599
                        pstrcpy(buf, sizeof(buf), optarg);
2600
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2601
                        fprintf(stderr,
2602
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2603
                                buf, optarg);
2604
                        exit(1);
2605
                    }
2606

    
2607
                    if (legacy ||
2608
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2609
                        validate_bootdevices(buf);
2610
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2611
                    }
2612
                    if (!legacy) {
2613
                        if (get_param_value(buf, sizeof(buf),
2614
                                            "once", optarg)) {
2615
                            validate_bootdevices(buf);
2616
                            standard_boot_devices = g_strdup(boot_devices);
2617
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2618
                            qemu_register_reset(restore_boot_devices,
2619
                                                standard_boot_devices);
2620
                        }
2621
                        if (get_param_value(buf, sizeof(buf),
2622
                                            "menu", optarg)) {
2623
                            if (!strcmp(buf, "on")) {
2624
                                boot_menu = 1;
2625
                            } else if (!strcmp(buf, "off")) {
2626
                                boot_menu = 0;
2627
                            } else {
2628
                                fprintf(stderr,
2629
                                        "qemu: invalid option value '%s'\n",
2630
                                        buf);
2631
                                exit(1);
2632
                            }
2633
                        }
2634
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2635
                                        optarg, 0);
2636
                    }
2637
                }
2638
                break;
2639
            case QEMU_OPTION_fda:
2640
            case QEMU_OPTION_fdb:
2641
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2642
                          optarg, FD_OPTS);
2643
                break;
2644
            case QEMU_OPTION_no_fd_bootchk:
2645
                fd_bootchk = 0;
2646
                break;
2647
            case QEMU_OPTION_netdev:
2648
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2649
                    exit(1);
2650
                }
2651
                break;
2652
            case QEMU_OPTION_net:
2653
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2654
                    exit(1);
2655
                }
2656
                break;
2657
#ifdef CONFIG_LIBISCSI
2658
            case QEMU_OPTION_iscsi:
2659
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2660
                if (!opts) {
2661
                    exit(1);
2662
                }
2663
                break;
2664
#endif
2665
#ifdef CONFIG_SLIRP
2666
            case QEMU_OPTION_tftp:
2667
                legacy_tftp_prefix = optarg;
2668
                break;
2669
            case QEMU_OPTION_bootp:
2670
                legacy_bootp_filename = optarg;
2671
                break;
2672
            case QEMU_OPTION_redir:
2673
                if (net_slirp_redir(optarg) < 0)
2674
                    exit(1);
2675
                break;
2676
#endif
2677
            case QEMU_OPTION_bt:
2678
                add_device_config(DEV_BT, optarg);
2679
                break;
2680
            case QEMU_OPTION_audio_help:
2681
                if (!(audio_available())) {
2682
                    printf("Option %s not supported for this target\n", popt->name);
2683
                    exit(1);
2684
                }
2685
                AUD_help ();
2686
                exit (0);
2687
                break;
2688
            case QEMU_OPTION_soundhw:
2689
                if (!(audio_available())) {
2690
                    printf("Option %s not supported for this target\n", popt->name);
2691
                    exit(1);
2692
                }
2693
                select_soundhw (optarg);
2694
                break;
2695
            case QEMU_OPTION_h:
2696
                help(0);
2697
                break;
2698
            case QEMU_OPTION_version:
2699
                version();
2700
                exit(0);
2701
                break;
2702
            case QEMU_OPTION_m: {
2703
                int64_t value;
2704
                char *end;
2705

    
2706
                value = strtosz(optarg, &end);
2707
                if (value < 0 || *end) {
2708
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2709
                    exit(1);
2710
                }
2711

    
2712
                if (value != (uint64_t)(ram_addr_t)value) {
2713
                    fprintf(stderr, "qemu: ram size too large\n");
2714
                    exit(1);
2715
                }
2716
                ram_size = value;
2717
                break;
2718
            }
2719
            case QEMU_OPTION_mempath:
2720
                mem_path = optarg;
2721
                break;
2722
#ifdef MAP_POPULATE
2723
            case QEMU_OPTION_mem_prealloc:
2724
                mem_prealloc = 1;
2725
                break;
2726
#endif
2727
            case QEMU_OPTION_d:
2728
                log_mask = optarg;
2729
                break;
2730
            case QEMU_OPTION_D:
2731
                log_file = optarg;
2732
                break;
2733
            case QEMU_OPTION_s:
2734
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2735
                break;
2736
            case QEMU_OPTION_gdb:
2737
                add_device_config(DEV_GDB, optarg);
2738
                break;
2739
            case QEMU_OPTION_L:
2740
                data_dir = optarg;
2741
                break;
2742
            case QEMU_OPTION_bios:
2743
                bios_name = optarg;
2744
                break;
2745
            case QEMU_OPTION_singlestep:
2746
                singlestep = 1;
2747
                break;
2748
            case QEMU_OPTION_S:
2749
                autostart = 0;
2750
                break;
2751
            case QEMU_OPTION_k:
2752
                keyboard_layout = optarg;
2753
                break;
2754
            case QEMU_OPTION_localtime:
2755
                rtc_utc = 0;
2756
                break;
2757
            case QEMU_OPTION_vga:
2758
                vga_model = optarg;
2759
                default_vga = 0;
2760
                break;
2761
            case QEMU_OPTION_g:
2762
                {
2763
                    const char *p;
2764
                    int w, h, depth;
2765
                    p = optarg;
2766
                    w = strtol(p, (char **)&p, 10);
2767
                    if (w <= 0) {
2768
                    graphic_error:
2769
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2770
                        exit(1);
2771
                    }
2772
                    if (*p != 'x')
2773
                        goto graphic_error;
2774
                    p++;
2775
                    h = strtol(p, (char **)&p, 10);
2776
                    if (h <= 0)
2777
                        goto graphic_error;
2778
                    if (*p == 'x') {
2779
                        p++;
2780
                        depth = strtol(p, (char **)&p, 10);
2781
                        if (depth != 8 && depth != 15 && depth != 16 &&
2782
                            depth != 24 && depth != 32)
2783
                            goto graphic_error;
2784
                    } else if (*p == '\0') {
2785
                        depth = graphic_depth;
2786
                    } else {
2787
                        goto graphic_error;
2788
                    }
2789

    
2790
                    graphic_width = w;
2791
                    graphic_height = h;
2792
                    graphic_depth = depth;
2793
                }
2794
                break;
2795
            case QEMU_OPTION_echr:
2796
                {
2797
                    char *r;
2798
                    term_escape_char = strtol(optarg, &r, 0);
2799
                    if (r == optarg)
2800
                        printf("Bad argument to echr\n");
2801
                    break;
2802
                }
2803
            case QEMU_OPTION_monitor:
2804
                monitor_parse(optarg, "readline");
2805
                default_monitor = 0;
2806
                break;
2807
            case QEMU_OPTION_qmp:
2808
                monitor_parse(optarg, "control");
2809
                default_monitor = 0;
2810
                break;
2811
            case QEMU_OPTION_mon:
2812
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2813
                if (!opts) {
2814
                    exit(1);
2815
                }
2816
                default_monitor = 0;
2817
                break;
2818
            case QEMU_OPTION_chardev:
2819
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2820
                if (!opts) {
2821
                    exit(1);
2822
                }
2823
                break;
2824
            case QEMU_OPTION_fsdev:
2825
                olist = qemu_find_opts("fsdev");
2826
                if (!olist) {
2827
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2828
                    exit(1);
2829
                }
2830
                opts = qemu_opts_parse(olist, optarg, 1);
2831
                if (!opts) {
2832
                    fprintf(stderr, "parse error: %s\n", optarg);
2833
                    exit(1);
2834
                }
2835
                break;
2836
            case QEMU_OPTION_virtfs: {
2837
                QemuOpts *fsdev;
2838
                QemuOpts *device;
2839
                const char *writeout, *sock_fd, *socket;
2840

    
2841
                olist = qemu_find_opts("virtfs");
2842
                if (!olist) {
2843
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2844
                    exit(1);
2845
                }
2846
                opts = qemu_opts_parse(olist, optarg, 1);
2847
                if (!opts) {
2848
                    fprintf(stderr, "parse error: %s\n", optarg);
2849
                    exit(1);
2850
                }
2851

    
2852
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
2853
                    qemu_opt_get(opts, "mount_tag") == NULL) {
2854
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2855
                    exit(1);
2856
                }
2857
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2858
                                         qemu_opt_get(opts, "mount_tag"),
2859
                                         1, NULL);
2860
                if (!fsdev) {
2861
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2862
                            qemu_opt_get(opts, "mount_tag"));
2863
                    exit(1);
2864
                }
2865

    
2866
                writeout = qemu_opt_get(opts, "writeout");
2867
                if (writeout) {
2868
#ifdef CONFIG_SYNC_FILE_RANGE
2869
                    qemu_opt_set(fsdev, "writeout", writeout);
2870
#else
2871
                    fprintf(stderr, "writeout=immediate not supported on "
2872
                            "this platform\n");
2873
                    exit(1);
2874
#endif
2875
                }
2876
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2877
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2878
                qemu_opt_set(fsdev, "security_model",
2879
                             qemu_opt_get(opts, "security_model"));
2880
                socket = qemu_opt_get(opts, "socket");
2881
                if (socket) {
2882
                    qemu_opt_set(fsdev, "socket", socket);
2883
                }
2884
                sock_fd = qemu_opt_get(opts, "sock_fd");
2885
                if (sock_fd) {
2886
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
2887
                }
2888

    
2889
                qemu_opt_set_bool(fsdev, "readonly",
2890
                                qemu_opt_get_bool(opts, "readonly", 0));
2891
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2892
                                          NULL);
2893
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2894
                qemu_opt_set(device, "fsdev",
2895
                             qemu_opt_get(opts, "mount_tag"));
2896
                qemu_opt_set(device, "mount_tag",
2897
                             qemu_opt_get(opts, "mount_tag"));
2898
                break;
2899
            }
2900
            case QEMU_OPTION_virtfs_synth: {
2901
                QemuOpts *fsdev;
2902
                QemuOpts *device;
2903

    
2904
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2905
                                         1, NULL);
2906
                if (!fsdev) {
2907
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2908
                    exit(1);
2909
                }
2910
                qemu_opt_set(fsdev, "fsdriver", "synth");
2911

    
2912
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2913
                                          NULL);
2914
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2915
                qemu_opt_set(device, "fsdev", "v_synth");
2916
                qemu_opt_set(device, "mount_tag", "v_synth");
2917
                break;
2918
            }
2919
            case QEMU_OPTION_serial:
2920
                add_device_config(DEV_SERIAL, optarg);
2921
                default_serial = 0;
2922
                if (strncmp(optarg, "mon:", 4) == 0) {
2923
                    default_monitor = 0;
2924
                }
2925
                break;
2926
            case QEMU_OPTION_watchdog:
2927
                if (watchdog) {
2928
                    fprintf(stderr,
2929
                            "qemu: only one watchdog option may be given\n");
2930
                    return 1;
2931
                }
2932
                watchdog = optarg;
2933
                break;
2934
            case QEMU_OPTION_watchdog_action:
2935
                if (select_watchdog_action(optarg) == -1) {
2936
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2937
                    exit(1);
2938
                }
2939
                break;
2940
            case QEMU_OPTION_virtiocon:
2941
                add_device_config(DEV_VIRTCON, optarg);
2942
                default_virtcon = 0;
2943
                if (strncmp(optarg, "mon:", 4) == 0) {
2944
                    default_monitor = 0;
2945
                }
2946
                break;
2947
            case QEMU_OPTION_parallel:
2948
                add_device_config(DEV_PARALLEL, optarg);
2949
                default_parallel = 0;
2950
                if (strncmp(optarg, "mon:", 4) == 0) {
2951
                    default_monitor = 0;
2952
                }
2953
                break;
2954
            case QEMU_OPTION_debugcon:
2955
                add_device_config(DEV_DEBUGCON, optarg);
2956
                break;
2957
            case QEMU_OPTION_loadvm:
2958
                loadvm = optarg;
2959
                break;
2960
            case QEMU_OPTION_full_screen:
2961
                full_screen = 1;
2962
                break;
2963
#ifdef CONFIG_SDL
2964
            case QEMU_OPTION_no_frame:
2965
                no_frame = 1;
2966
                break;
2967
            case QEMU_OPTION_alt_grab:
2968
                alt_grab = 1;
2969
                break;
2970
            case QEMU_OPTION_ctrl_grab:
2971
                ctrl_grab = 1;
2972
                break;
2973
            case QEMU_OPTION_no_quit:
2974
                no_quit = 1;
2975
                break;
2976
            case QEMU_OPTION_sdl:
2977
                display_type = DT_SDL;
2978
                break;
2979
#else
2980
            case QEMU_OPTION_no_frame:
2981
            case QEMU_OPTION_alt_grab:
2982
            case QEMU_OPTION_ctrl_grab:
2983
            case QEMU_OPTION_no_quit:
2984
            case QEMU_OPTION_sdl:
2985
                fprintf(stderr, "SDL support is disabled\n");
2986
                exit(1);
2987
#endif
2988
            case QEMU_OPTION_pidfile:
2989
                pid_file = optarg;
2990
                break;
2991
            case QEMU_OPTION_win2k_hack:
2992
                win2k_install_hack = 1;
2993
                break;
2994
            case QEMU_OPTION_rtc_td_hack: {
2995
                static GlobalProperty slew_lost_ticks[] = {
2996
                    {
2997
                        .driver   = "mc146818rtc",
2998
                        .property = "lost_tick_policy",
2999
                        .value    = "slew",
3000
                    },
3001
                    { /* end of list */ }
3002
                };
3003

    
3004
                qdev_prop_register_global_list(slew_lost_ticks);
3005
                break;
3006
            }
3007
            case QEMU_OPTION_acpitable:
3008
                do_acpitable_option(optarg);
3009
                break;
3010
            case QEMU_OPTION_smbios:
3011
                do_smbios_option(optarg);
3012
                break;
3013
            case QEMU_OPTION_enable_kvm:
3014
                olist = qemu_find_opts("machine");
3015
                qemu_opts_parse(olist, "accel=kvm", 0);
3016
                break;
3017
            case QEMU_OPTION_machine:
3018
                olist = qemu_find_opts("machine");
3019
                opts = qemu_opts_parse(olist, optarg, 1);
3020
                if (!opts) {
3021
                    fprintf(stderr, "parse error: %s\n", optarg);
3022
                    exit(1);
3023
                }
3024
                optarg = qemu_opt_get(opts, "type");
3025
                if (optarg) {
3026
                    machine = machine_parse(optarg);
3027
                }
3028
                break;
3029
            case QEMU_OPTION_usb:
3030
                usb_enabled = 1;
3031
                break;
3032
            case QEMU_OPTION_usbdevice:
3033
                usb_enabled = 1;
3034
                add_device_config(DEV_USB, optarg);
3035
                break;
3036
            case QEMU_OPTION_device:
3037
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3038
                    exit(1);
3039
                }
3040
                break;
3041
            case QEMU_OPTION_smp:
3042
                smp_parse(optarg);
3043
                if (smp_cpus < 1) {
3044
                    fprintf(stderr, "Invalid number of CPUs\n");
3045
                    exit(1);
3046
                }
3047
                if (max_cpus < smp_cpus) {
3048
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3049
                            "smp\n");
3050
                    exit(1);
3051
                }
3052
                if (max_cpus > 255) {
3053
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3054
                    exit(1);
3055
                }
3056
                break;
3057
            case QEMU_OPTION_vnc:
3058
#ifdef CONFIG_VNC
3059
                display_remote++;
3060
                vnc_display = optarg;
3061
#else
3062
                fprintf(stderr, "VNC support is disabled\n");
3063
                exit(1);
3064
#endif
3065
                break;
3066
            case QEMU_OPTION_no_acpi:
3067
                acpi_enabled = 0;
3068
                break;
3069
            case QEMU_OPTION_no_hpet:
3070
                no_hpet = 1;
3071
                break;
3072
            case QEMU_OPTION_balloon:
3073
                if (balloon_parse(optarg) < 0) {
3074
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3075
                    exit(1);
3076
                }
3077
                break;
3078
            case QEMU_OPTION_no_reboot:
3079
                no_reboot = 1;
3080
                break;
3081
            case QEMU_OPTION_no_shutdown:
3082
                no_shutdown = 1;
3083
                break;
3084
            case QEMU_OPTION_show_cursor:
3085
                cursor_hide = 0;
3086
                break;
3087
            case QEMU_OPTION_uuid:
3088
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3089
                    fprintf(stderr, "Fail to parse UUID string."
3090
                            " Wrong format.\n");
3091
                    exit(1);
3092
                }
3093
                break;
3094
            case QEMU_OPTION_option_rom:
3095
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3096
                    fprintf(stderr, "Too many option ROMs\n");
3097
                    exit(1);
3098
                }
3099
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3100
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3101
                option_rom[nb_option_roms].bootindex =
3102
                    qemu_opt_get_number(opts, "bootindex", -1);
3103
                if (!option_rom[nb_option_roms].name) {
3104
                    fprintf(stderr, "Option ROM file is not specified\n");
3105
                    exit(1);
3106
                }
3107
                nb_option_roms++;
3108
                break;
3109
            case QEMU_OPTION_semihosting:
3110
                semihosting_enabled = 1;
3111
                break;
3112
            case QEMU_OPTION_name:
3113
                qemu_name = g_strdup(optarg);
3114
                 {
3115
                     char *p = strchr(qemu_name, ',');
3116
                     if (p != NULL) {
3117
                        *p++ = 0;
3118
                        if (strncmp(p, "process=", 8)) {
3119
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3120
                            exit(1);
3121
                        }
3122
                        p += 8;
3123
                        os_set_proc_name(p);
3124
                     }        
3125
                 }        
3126
                break;
3127
            case QEMU_OPTION_prom_env:
3128
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3129
                    fprintf(stderr, "Too many prom variables\n");
3130
                    exit(1);
3131
                }
3132
                prom_envs[nb_prom_envs] = optarg;
3133
                nb_prom_envs++;
3134
                break;
3135
            case QEMU_OPTION_old_param:
3136
                old_param = 1;
3137
                break;
3138
            case QEMU_OPTION_clock:
3139
                configure_alarms(optarg);
3140
                break;
3141
            case QEMU_OPTION_startdate:
3142
                configure_rtc_date_offset(optarg, 1);
3143
                break;
3144
            case QEMU_OPTION_rtc:
3145
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3146
                if (!opts) {
3147
                    exit(1);
3148
                }
3149
                configure_rtc(opts);
3150
                break;
3151
            case QEMU_OPTION_tb_size:
3152
                tcg_tb_size = strtol(optarg, NULL, 0);
3153
                if (tcg_tb_size < 0) {
3154
                    tcg_tb_size = 0;
3155
                }
3156
                break;
3157
            case QEMU_OPTION_icount:
3158
                icount_option = optarg;
3159
                break;
3160
            case QEMU_OPTION_incoming:
3161
                incoming = optarg;
3162
                runstate_set(RUN_STATE_INMIGRATE);
3163
                break;
3164
            case QEMU_OPTION_nodefaults:
3165
                default_serial = 0;
3166
                default_parallel = 0;
3167
                default_virtcon = 0;
3168
                default_monitor = 0;
3169
                default_net = 0;
3170
                default_floppy = 0;
3171
                default_cdrom = 0;
3172
                default_sdcard = 0;
3173
                default_vga = 0;
3174
                break;
3175
            case QEMU_OPTION_xen_domid:
3176
                if (!(xen_available())) {
3177
                    printf("Option %s not supported for this target\n", popt->name);
3178
                    exit(1);
3179
                }
3180
                xen_domid = atoi(optarg);
3181
                break;
3182
            case QEMU_OPTION_xen_create:
3183
                if (!(xen_available())) {
3184
                    printf("Option %s not supported for this target\n", popt->name);
3185
                    exit(1);
3186
                }
3187
                xen_mode = XEN_CREATE;
3188
                break;
3189
            case QEMU_OPTION_xen_attach:
3190
                if (!(xen_available())) {
3191
                    printf("Option %s not supported for this target\n", popt->name);
3192
                    exit(1);
3193
                }
3194
                xen_mode = XEN_ATTACH;
3195
                break;
3196
            case QEMU_OPTION_trace:
3197
            {
3198
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3199
                if (!opts) {
3200
                    exit(1);
3201
                }
3202
                trace_events = qemu_opt_get(opts, "events");
3203
                trace_file = qemu_opt_get(opts, "file");
3204
                break;
3205
            }
3206
            case QEMU_OPTION_readconfig:
3207
                {
3208
                    int ret = qemu_read_config_file(optarg);
3209
                    if (ret < 0) {
3210
                        fprintf(stderr, "read config %s: %s\n", optarg,
3211
                            strerror(-ret));
3212
                        exit(1);
3213
                    }
3214
                    break;
3215
                }
3216
            case QEMU_OPTION_spice:
3217
                olist = qemu_find_opts("spice");
3218
                if (!olist) {
3219
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3220
                    exit(1);
3221
                }
3222
                opts = qemu_opts_parse(olist, optarg, 0);
3223
                if (!opts) {
3224
                    fprintf(stderr, "parse error: %s\n", optarg);
3225
                    exit(1);
3226
                }
3227
                break;
3228
            case QEMU_OPTION_writeconfig:
3229
                {
3230
                    FILE *fp;
3231
                    if (strcmp(optarg, "-") == 0) {
3232
                        fp = stdout;
3233
                    } else {
3234
                        fp = fopen(optarg, "w");
3235
                        if (fp == NULL) {
3236
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3237
                            exit(1);
3238
                        }
3239
                    }
3240
                    qemu_config_write(fp);
3241
                    fclose(fp);
3242
                    break;
3243
                }
3244
            case QEMU_OPTION_qtest:
3245
                qtest_chrdev = optarg;
3246
                break;
3247
            case QEMU_OPTION_qtest_log:
3248
                qtest_log = optarg;
3249
                break;
3250
            default:
3251
                os_parse_cmd_args(popt->index, optarg);
3252
            }
3253
        }
3254
    }
3255
    loc_set_none();
3256

    
3257
    if (machine == NULL) {
3258
        fprintf(stderr, "No machine found.\n");
3259
        exit(1);
3260
    }
3261

    
3262
    if (machine->hw_version) {
3263
        qemu_set_version(machine->hw_version);
3264
    }
3265

    
3266
    /* Init CPU def lists, based on config
3267
     * - Must be called after all the qemu_read_config_file() calls
3268
     * - Must be called before list_cpus()
3269
     * - Must be called before machine->init()
3270
     */
3271
    cpudef_init();
3272

    
3273
    if (cpu_model && is_help_option(cpu_model)) {
3274
        list_cpus(stdout, &fprintf, cpu_model);
3275
        exit(0);
3276
    }
3277

    
3278
    /* Open the logfile at this point, if necessary. We can't open the logfile
3279
     * when encountering either of the logging options (-d or -D) because the
3280
     * other one may be encountered later on the command line, changing the
3281
     * location or level of logging.
3282
     */
3283
    if (log_mask) {
3284
        if (log_file) {
3285
            set_cpu_log_filename(log_file);
3286
        }
3287
        set_cpu_log(log_mask);
3288
    }
3289

    
3290
    if (!trace_backend_init(trace_events, trace_file)) {
3291
        exit(1);
3292
    }
3293

    
3294
    /* If no data_dir is specified then try to find it relative to the
3295
       executable path.  */
3296
    if (!data_dir) {
3297
        data_dir = os_find_datadir(argv[0]);
3298
    }
3299
    /* If all else fails use the install path specified when building. */
3300
    if (!data_dir) {
3301
        data_dir = CONFIG_QEMU_DATADIR;
3302
    }
3303

    
3304
    /*
3305
     * Default to max_cpus = smp_cpus, in case the user doesn't
3306
     * specify a max_cpus value.
3307
     */
3308
    if (!max_cpus)
3309
        max_cpus = smp_cpus;
3310

    
3311
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3312
    if (smp_cpus > machine->max_cpus) {
3313
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3314
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3315
                machine->max_cpus);
3316
        exit(1);
3317
    }
3318

    
3319
    /*
3320
     * Get the default machine options from the machine if it is not already
3321
     * specified either by the configuration file or by the command line.
3322
     */
3323
    if (machine->default_machine_opts) {
3324
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3325
                               machine->default_machine_opts, 0);
3326
    }
3327

    
3328
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3329
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3330

    
3331
    if (machine->no_serial) {
3332
        default_serial = 0;
3333
    }
3334
    if (machine->no_parallel) {
3335
        default_parallel = 0;
3336
    }
3337
    if (!machine->use_virtcon) {
3338
        default_virtcon = 0;
3339
    }
3340
    if (machine->no_floppy) {
3341
        default_floppy = 0;
3342
    }
3343
    if (machine->no_cdrom) {
3344
        default_cdrom = 0;
3345
    }
3346
    if (machine->no_sdcard) {
3347
        default_sdcard = 0;
3348
    }
3349

    
3350
    if (display_type == DT_NOGRAPHIC) {
3351
        if (default_parallel)
3352
            add_device_config(DEV_PARALLEL, "null");
3353
        if (default_serial && default_monitor) {
3354
            add_device_config(DEV_SERIAL, "mon:stdio");
3355
        } else if (default_virtcon && default_monitor) {
3356
            add_device_config(DEV_VIRTCON, "mon:stdio");
3357
        } else {
3358
            if (default_serial)
3359
                add_device_config(DEV_SERIAL, "stdio");
3360
            if (default_virtcon)
3361
                add_device_config(DEV_VIRTCON, "stdio");
3362
            if (default_monitor)
3363
                monitor_parse("stdio", "readline");
3364
        }
3365
    } else {
3366
        if (default_serial)
3367
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3368
        if (default_parallel)
3369
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3370
        if (default_monitor)
3371
            monitor_parse("vc:80Cx24C", "readline");
3372
        if (default_virtcon)
3373
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3374
    }
3375

    
3376
    socket_init();
3377

    
3378
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3379
        exit(1);
3380
#ifdef CONFIG_VIRTFS
3381
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3382
        exit(1);
3383
    }
3384
#endif
3385

    
3386
    os_daemonize();
3387

    
3388
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3389
        os_pidfile_error();
3390
        exit(1);
3391
    }
3392

    
3393
    /* init the memory */
3394
    if (ram_size == 0) {
3395
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3396
    }
3397

    
3398
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3399
        != 0) {
3400
        exit(0);
3401
    }
3402

    
3403
    configure_accelerator();
3404

    
3405
    qemu_init_cpu_loop();
3406
    if (qemu_init_main_loop()) {
3407
        fprintf(stderr, "qemu_init_main_loop failed\n");
3408
        exit(1);
3409
    }
3410

    
3411
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3412
    if (machine_opts) {
3413
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3414
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3415
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3416
    } else {
3417
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3418
    }
3419

    
3420
    if (!kernel_cmdline) {
3421
        kernel_cmdline = "";
3422
    }
3423

    
3424
    linux_boot = (kernel_filename != NULL);
3425

    
3426
    if (!linux_boot && *kernel_cmdline != '\0') {
3427
        fprintf(stderr, "-append only allowed with -kernel option\n");
3428
        exit(1);
3429
    }
3430

    
3431
    if (!linux_boot && initrd_filename != NULL) {
3432
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3433
        exit(1);
3434
    }
3435

    
3436
    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3437
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
3438
        exit(1);
3439
    }
3440

    
3441
    os_set_line_buffering();
3442

    
3443
    if (init_timer_alarm() < 0) {
3444
        fprintf(stderr, "could not initialize alarm timer\n");
3445
        exit(1);
3446
    }
3447

    
3448
#ifdef CONFIG_SPICE
3449
    /* spice needs the timers to be initialized by this point */
3450
    qemu_spice_init();
3451
#endif
3452

    
3453
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3454
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3455
        exit(1);
3456
    }
3457
    configure_icount(icount_option);
3458

    
3459
    if (net_init_clients() < 0) {
3460
        exit(1);
3461
    }
3462

    
3463
    /* init the bluetooth world */
3464
    if (foreach_device_config(DEV_BT, bt_parse))
3465
        exit(1);
3466

    
3467
    if (!xen_enabled()) {
3468
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3469
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3470
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3471
            exit(1);
3472
        }
3473
    }
3474

    
3475
    cpu_exec_init_all();
3476

    
3477
    bdrv_init_with_whitelist();
3478

    
3479
    blk_mig_init();
3480

    
3481
    /* open the virtual block devices */
3482
    if (snapshot)
3483
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3484
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3485
        exit(1);
3486

    
3487
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3488
                  IF_DEFAULT, 2, CDROM_OPTS);
3489
    default_drive(default_floppy, snapshot, machine->use_scsi,
3490
                  IF_FLOPPY, 0, FD_OPTS);
3491
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3492
                  IF_SD, 0, SD_OPTS);
3493

    
3494
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3495

    
3496
    if (nb_numa_nodes > 0) {
3497
        int i;
3498

    
3499
        if (nb_numa_nodes > MAX_NODES) {
3500
            nb_numa_nodes = MAX_NODES;
3501
        }
3502

    
3503
        /* If no memory size if given for any node, assume the default case
3504
         * and distribute the available memory equally across all nodes
3505
         */
3506
        for (i = 0; i < nb_numa_nodes; i++) {
3507
            if (node_mem[i] != 0)
3508
                break;
3509
        }
3510
        if (i == nb_numa_nodes) {
3511
            uint64_t usedmem = 0;
3512

    
3513
            /* On Linux, the each node's border has to be 8MB aligned,
3514
             * the final node gets the rest.
3515
             */
3516
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3517
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3518
                usedmem += node_mem[i];
3519
            }
3520
            node_mem[i] = ram_size - usedmem;
3521
        }
3522

    
3523
        for (i = 0; i < nb_numa_nodes; i++) {
3524
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3525
                break;
3526
            }
3527
        }
3528
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3529
         * must cope with this anyway, because there are BIOSes out there in
3530
         * real machines which also use this scheme.
3531
         */
3532
        if (i == nb_numa_nodes) {
3533
            for (i = 0; i < max_cpus; i++) {
3534
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
3535
            }
3536
        }
3537
    }
3538

    
3539
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3540
        exit(1);
3541
    }
3542

    
3543
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3544
        exit(1);
3545
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3546
        exit(1);
3547
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3548
        exit(1);
3549
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3550
        exit(1);
3551

    
3552
    /* If no default VGA is requested, the default is "none".  */
3553
    if (default_vga && cirrus_vga_available()) {
3554
        vga_model = "cirrus";
3555
    }
3556
    select_vgahw(vga_model);
3557

    
3558
    if (watchdog) {
3559
        i = select_watchdog(watchdog);
3560
        if (i > 0)
3561
            exit (i == 1 ? 1 : 0);
3562
    }
3563

    
3564
    if (machine->compat_props) {
3565
        qdev_prop_register_global_list(machine->compat_props);
3566
    }
3567
    qemu_add_globals();
3568

    
3569
    qdev_machine_init();
3570

    
3571
    machine->init(ram_size, boot_devices,
3572
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3573

    
3574
    cpu_synchronize_all_post_init();
3575

    
3576
    set_numa_modes();
3577

    
3578
    current_machine = machine;
3579

    
3580
    /* init USB devices */
3581
    if (usb_enabled) {
3582
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3583
            exit(1);
3584
    }
3585

    
3586
    /* init generic devices */
3587
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3588
        exit(1);
3589

    
3590
    net_check_clients();
3591

    
3592
    /* just use the first displaystate for the moment */
3593
    ds = get_displaystate();
3594

    
3595
    if (using_spice)
3596
        display_remote++;
3597
    if (display_type == DT_DEFAULT && !display_remote) {
3598
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3599
        display_type = DT_SDL;
3600
#elif defined(CONFIG_VNC)
3601
        vnc_display = "localhost:0,to=99";
3602
        show_vnc_port = 1;
3603
#else
3604
        display_type = DT_NONE;
3605
#endif
3606
    }
3607

    
3608

    
3609
    /* init local displays */
3610
    switch (display_type) {
3611
    case DT_NOGRAPHIC:
3612
        break;
3613
#if defined(CONFIG_CURSES)
3614
    case DT_CURSES:
3615
        curses_display_init(ds, full_screen);
3616
        break;
3617
#endif
3618
#if defined(CONFIG_SDL)
3619
    case DT_SDL:
3620
        sdl_display_init(ds, full_screen, no_frame);
3621
        break;
3622
#elif defined(CONFIG_COCOA)
3623
    case DT_SDL:
3624
        cocoa_display_init(ds, full_screen);
3625
        break;
3626
#endif
3627
    default:
3628
        break;
3629
    }
3630

    
3631
    /* must be after terminal init, SDL library changes signal handlers */
3632
    os_setup_signal_handling();
3633

    
3634
#ifdef CONFIG_VNC
3635
    /* init remote displays */
3636
    if (vnc_display) {
3637
        vnc_display_init(ds);
3638
        if (vnc_display_open(ds, vnc_display) < 0) {
3639
            fprintf(stderr, "Failed to start VNC server on `%s'\n",
3640
                    vnc_display);
3641
            exit(1);
3642
        }
3643

    
3644
        if (show_vnc_port) {
3645
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3646
        }
3647
    }
3648
#endif
3649
#ifdef CONFIG_SPICE
3650
    if (using_spice && !qxl_enabled) {
3651
        qemu_spice_display_init(ds);
3652
    }
3653
#endif
3654

    
3655
    /* display setup */
3656
    dpy_resize(ds);
3657
    dcl = ds->listeners;
3658
    while (dcl != NULL) {
3659
        if (dcl->dpy_refresh != NULL) {
3660
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3661
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3662
            break;
3663
        }
3664
        dcl = dcl->next;
3665
    }
3666
    text_consoles_set_display(ds);
3667

    
3668
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3669
        exit(1);
3670
    }
3671

    
3672
    qdev_machine_creation_done();
3673

    
3674
    if (rom_load_all() != 0) {
3675
        fprintf(stderr, "rom loading failed\n");
3676
        exit(1);
3677
    }
3678

    
3679
    /* TODO: once all bus devices are qdevified, this should be done
3680
     * when bus is created by qdev.c */
3681
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3682
    qemu_run_machine_init_done_notifiers();
3683

    
3684
    qemu_system_reset(VMRESET_SILENT);
3685
    if (loadvm) {
3686
        if (load_vmstate(loadvm) < 0) {
3687
            autostart = 0;
3688
        }
3689
    }
3690

    
3691
    if (incoming) {
3692
        Error *errp = NULL;
3693
        int ret = qemu_start_incoming_migration(incoming, &errp);
3694
        if (ret < 0) {
3695
            if (error_is_set(&errp)) {
3696
                fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3697
                error_free(errp);
3698
            }
3699
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3700
                    incoming, ret);
3701
            exit(ret);
3702
        }
3703
    } else if (autostart) {
3704
        vm_start();
3705
    }
3706

    
3707
    os_setup_post();
3708

    
3709
    resume_all_vcpus();
3710
    main_loop();
3711
    bdrv_close_all();
3712
    pause_all_vcpus();
3713
    net_cleanup();
3714
    res_free();
3715

    
3716
    return 0;
3717
}