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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
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 * 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

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

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

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

    
62
#include <linux/ppdev.h>
63
#include <linux/parport.h>
64
#endif
65
#ifdef __sun__
66
#include <sys/stat.h>
67
#include <sys/ethernet.h>
68
#include <sys/sockio.h>
69
#include <netinet/arp.h>
70
#include <netinet/in_systm.h>
71
#include <netinet/ip.h>
72
#include <netinet/ip_icmp.h> // must come after ip.h
73
#include <netinet/udp.h>
74
#include <netinet/tcp.h>
75
#include <net/if.h>
76
#include <syslog.h>
77
#include <stropts.h>
78
#endif
79
#endif
80
#endif
81

    
82
#if defined(CONFIG_VDE)
83
#include <libvdeplug.h>
84
#endif
85

    
86
#ifdef _WIN32
87
#include <windows.h>
88
#endif
89

    
90
#ifdef CONFIG_SDL
91
#if defined(__APPLE__) || defined(main)
92
#include <SDL.h>
93
int qemu_main(int argc, char **argv, char **envp);
94
int main(int argc, char **argv)
95
{
96
    return qemu_main(argc, argv, NULL);
97
}
98
#undef main
99
#define main qemu_main
100
#endif
101
#endif /* CONFIG_SDL */
102

    
103
#ifdef CONFIG_COCOA
104
#undef main
105
#define main qemu_main
106
#endif /* CONFIG_COCOA */
107

    
108
#include <glib.h>
109

    
110
#include "hw/hw.h"
111
#include "hw/boards.h"
112
#include "hw/usb.h"
113
#include "hw/pcmcia.h"
114
#include "hw/pc.h"
115
#include "hw/isa.h"
116
#include "hw/baum.h"
117
#include "hw/bt.h"
118
#include "hw/watchdog.h"
119
#include "hw/smbios.h"
120
#include "hw/xen.h"
121
#include "hw/qdev.h"
122
#include "hw/loader.h"
123
#include "bt-host.h"
124
#include "net.h"
125
#include "net/slirp.h"
126
#include "monitor.h"
127
#include "console.h"
128
#include "sysemu.h"
129
#include "gdbstub.h"
130
#include "qemu-timer.h"
131
#include "qemu-char.h"
132
#include "cache-utils.h"
133
#include "block.h"
134
#include "blockdev.h"
135
#include "block-migration.h"
136
#include "dma.h"
137
#include "audio/audio.h"
138
#include "migration.h"
139
#include "kvm.h"
140
#include "qjson.h"
141
#include "qemu-option.h"
142
#include "qemu-config.h"
143
#include "qemu-options.h"
144
#include "qmp-commands.h"
145
#include "main-loop.h"
146
#ifdef CONFIG_VIRTFS
147
#include "fsdev/qemu-fsdev.h"
148
#endif
149
#include "qtest.h"
150

    
151
#include "disas.h"
152

    
153
#include "qemu_socket.h"
154

    
155
#include "slirp/libslirp.h"
156

    
157
#include "trace.h"
158
#include "trace/control.h"
159
#include "qemu-queue.h"
160
#include "cpus.h"
161
#include "arch_init.h"
162

    
163
#include "ui/qemu-spice.h"
164

    
165
//#define DEBUG_NET
166
//#define DEBUG_SLIRP
167

    
168
#define DEFAULT_RAM_SIZE 128
169

    
170
#define MAX_VIRTIO_CONSOLES 1
171

    
172
static const char *data_dir;
173
const char *bios_name = NULL;
174
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
175
DisplayType display_type = DT_DEFAULT;
176
int display_remote = 0;
177
const char* keyboard_layout = NULL;
178
ram_addr_t ram_size;
179
const char *mem_path = NULL;
180
#ifdef MAP_POPULATE
181
int mem_prealloc = 0; /* force preallocation of physical target memory */
182
#endif
183
int nb_nics;
184
NICInfo nd_table[MAX_NICS];
185
int autostart;
186
static int rtc_utc = 1;
187
static int rtc_date_offset = -1; /* -1 means no change */
188
QEMUClock *rtc_clock;
189
int vga_interface_type = VGA_NONE;
190
static int full_screen = 0;
191
#ifdef CONFIG_SDL
192
static int no_frame = 0;
193
#endif
194
int no_quit = 0;
195
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
196
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
197
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
198
int win2k_install_hack = 0;
199
int usb_enabled = 0;
200
int singlestep = 0;
201
int smp_cpus = 1;
202
int max_cpus = 0;
203
int smp_cores = 1;
204
int smp_threads = 1;
205
#ifdef CONFIG_VNC
206
const char *vnc_display;
207
#endif
208
int acpi_enabled = 1;
209
int no_hpet = 0;
210
int fd_bootchk = 1;
211
int no_reboot = 0;
212
int no_shutdown = 0;
213
int cursor_hide = 1;
214
int graphic_rotate = 0;
215
const char *watchdog;
216
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
217
int nb_option_roms;
218
int semihosting_enabled = 0;
219
int old_param = 0;
220
const char *qemu_name;
221
int alt_grab = 0;
222
int ctrl_grab = 0;
223
unsigned int nb_prom_envs = 0;
224
const char *prom_envs[MAX_PROM_ENVS];
225
int boot_menu;
226
uint8_t *boot_splash_filedata;
227
int boot_splash_filedata_size;
228
uint8_t qemu_extra_params_fw[2];
229

    
230
typedef struct FWBootEntry FWBootEntry;
231

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

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

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

    
245
uint8_t qemu_uuid[16];
246

    
247
static QEMUBootSetHandler *boot_set_handler;
248
static void *boot_set_opaque;
249

    
250
static NotifierList exit_notifiers =
251
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
252

    
253
static NotifierList machine_init_done_notifiers =
254
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
255

    
256
static int tcg_allowed = 1;
257
int kvm_allowed = 0;
258
int xen_allowed = 0;
259
uint32_t xen_domid;
260
enum xen_mode xen_mode = XEN_EMULATE;
261
static int tcg_tb_size;
262

    
263
static int default_serial = 1;
264
static int default_parallel = 1;
265
static int default_virtcon = 1;
266
static int default_monitor = 1;
267
static int default_floppy = 1;
268
static int default_cdrom = 1;
269
static int default_sdcard = 1;
270
static int default_vga = 1;
271

    
272
static struct {
273
    const char *driver;
274
    int *flag;
275
} default_list[] = {
276
    { .driver = "isa-serial",           .flag = &default_serial    },
277
    { .driver = "isa-parallel",         .flag = &default_parallel  },
278
    { .driver = "isa-fdc",              .flag = &default_floppy    },
279
    { .driver = "ide-cd",               .flag = &default_cdrom     },
280
    { .driver = "ide-hd",               .flag = &default_cdrom     },
281
    { .driver = "ide-drive",            .flag = &default_cdrom     },
282
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
283
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
284
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
285
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
286
    { .driver = "VGA",                  .flag = &default_vga       },
287
    { .driver = "isa-vga",              .flag = &default_vga       },
288
    { .driver = "cirrus-vga",           .flag = &default_vga       },
289
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
290
    { .driver = "vmware-svga",          .flag = &default_vga       },
291
    { .driver = "qxl-vga",              .flag = &default_vga       },
292
};
293

    
294
static void res_free(void)
295
{
296
    if (boot_splash_filedata != NULL) {
297
        g_free(boot_splash_filedata);
298
        boot_splash_filedata = NULL;
299
    }
300
}
301

    
302
static int default_driver_check(QemuOpts *opts, void *opaque)
303
{
304
    const char *driver = qemu_opt_get(opts, "driver");
305
    int i;
306

    
307
    if (!driver)
308
        return 0;
309
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
310
        if (strcmp(default_list[i].driver, driver) != 0)
311
            continue;
312
        *(default_list[i].flag) = 0;
313
    }
314
    return 0;
315
}
316

    
317
/***********************************************************/
318
/* QEMU state */
319

    
320
static RunState current_run_state = RUN_STATE_PRELAUNCH;
321

    
322
typedef struct {
323
    RunState from;
324
    RunState to;
325
} RunStateTransition;
326

    
327
static const RunStateTransition runstate_transitions_def[] = {
328
    /*     from      ->     to      */
329
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
330

    
331
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
332
    { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
333

    
334
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
335
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
336

    
337
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
338
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
339

    
340
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
341
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
342

    
343
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
344
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
345

    
346
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
347
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
348
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
349

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

    
353
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
354

    
355
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
356
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
357
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
358
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
359
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
360
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
361
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
362
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
363
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
364

    
365
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
366

    
367
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
368
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
369

    
370
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
371
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
372
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
373
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
374

    
375
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
376
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
377

    
378
    { RUN_STATE_MAX, RUN_STATE_MAX },
379
};
380

    
381
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
382

    
383
bool runstate_check(RunState state)
384
{
385
    return current_run_state == state;
386
}
387

    
388
void runstate_init(void)
389
{
390
    const RunStateTransition *p;
391

    
392
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
393

    
394
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
395
        runstate_valid_transitions[p->from][p->to] = true;
396
    }
397
}
398

    
399
/* This function will abort() on invalid state transitions */
400
void runstate_set(RunState new_state)
401
{
402
    assert(new_state < RUN_STATE_MAX);
403

    
404
    if (!runstate_valid_transitions[current_run_state][new_state]) {
405
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
406
                RunState_lookup[current_run_state],
407
                RunState_lookup[new_state]);
408
        abort();
409
    }
410

    
411
    current_run_state = new_state;
412
}
413

    
414
int runstate_is_running(void)
415
{
416
    return runstate_check(RUN_STATE_RUNNING);
417
}
418

    
419
StatusInfo *qmp_query_status(Error **errp)
420
{
421
    StatusInfo *info = g_malloc0(sizeof(*info));
422

    
423
    info->running = runstate_is_running();
424
    info->singlestep = singlestep;
425
    info->status = current_run_state;
426

    
427
    return info;
428
}
429

    
430
/***********************************************************/
431
/* real time host monotonic timer */
432

    
433
/***********************************************************/
434
/* host time/date access */
435
void qemu_get_timedate(struct tm *tm, int offset)
436
{
437
    time_t ti;
438
    struct tm *ret;
439

    
440
    time(&ti);
441
    ti += offset;
442
    if (rtc_date_offset == -1) {
443
        if (rtc_utc)
444
            ret = gmtime(&ti);
445
        else
446
            ret = localtime(&ti);
447
    } else {
448
        ti -= rtc_date_offset;
449
        ret = gmtime(&ti);
450
    }
451

    
452
    memcpy(tm, ret, sizeof(struct tm));
453
}
454

    
455
int qemu_timedate_diff(struct tm *tm)
456
{
457
    time_t seconds;
458

    
459
    if (rtc_date_offset == -1)
460
        if (rtc_utc)
461
            seconds = mktimegm(tm);
462
        else {
463
            struct tm tmp = *tm;
464
            tmp.tm_isdst = -1; /* use timezone to figure it out */
465
            seconds = mktime(&tmp);
466
        }
467
    else
468
        seconds = mktimegm(tm) + rtc_date_offset;
469

    
470
    return seconds - time(NULL);
471
}
472

    
473
void rtc_change_mon_event(struct tm *tm)
474
{
475
    QObject *data;
476

    
477
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
478
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
479
    qobject_decref(data);
480
}
481

    
482
static void configure_rtc_date_offset(const char *startdate, int legacy)
483
{
484
    time_t rtc_start_date;
485
    struct tm tm;
486

    
487
    if (!strcmp(startdate, "now") && legacy) {
488
        rtc_date_offset = -1;
489
    } else {
490
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
491
                   &tm.tm_year,
492
                   &tm.tm_mon,
493
                   &tm.tm_mday,
494
                   &tm.tm_hour,
495
                   &tm.tm_min,
496
                   &tm.tm_sec) == 6) {
497
            /* OK */
498
        } else if (sscanf(startdate, "%d-%d-%d",
499
                          &tm.tm_year,
500
                          &tm.tm_mon,
501
                          &tm.tm_mday) == 3) {
502
            tm.tm_hour = 0;
503
            tm.tm_min = 0;
504
            tm.tm_sec = 0;
505
        } else {
506
            goto date_fail;
507
        }
508
        tm.tm_year -= 1900;
509
        tm.tm_mon--;
510
        rtc_start_date = mktimegm(&tm);
511
        if (rtc_start_date == -1) {
512
        date_fail:
513
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
514
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
515
            exit(1);
516
        }
517
        rtc_date_offset = time(NULL) - rtc_start_date;
518
    }
519
}
520

    
521
static void configure_rtc(QemuOpts *opts)
522
{
523
    const char *value;
524

    
525
    value = qemu_opt_get(opts, "base");
526
    if (value) {
527
        if (!strcmp(value, "utc")) {
528
            rtc_utc = 1;
529
        } else if (!strcmp(value, "localtime")) {
530
            rtc_utc = 0;
531
        } else {
532
            configure_rtc_date_offset(value, 0);
533
        }
534
    }
535
    value = qemu_opt_get(opts, "clock");
536
    if (value) {
537
        if (!strcmp(value, "host")) {
538
            rtc_clock = host_clock;
539
        } else if (!strcmp(value, "rt")) {
540
            rtc_clock = rt_clock;
541
        } else if (!strcmp(value, "vm")) {
542
            rtc_clock = vm_clock;
543
        } else {
544
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
545
            exit(1);
546
        }
547
    }
548
    value = qemu_opt_get(opts, "driftfix");
549
    if (value) {
550
        if (!strcmp(value, "slew")) {
551
            static GlobalProperty slew_lost_ticks[] = {
552
                {
553
                    .driver   = "mc146818rtc",
554
                    .property = "lost_tick_policy",
555
                    .value    = "slew",
556
                },
557
                { /* end of list */ }
558
            };
559

    
560
            qdev_prop_register_global_list(slew_lost_ticks);
561
        } else if (!strcmp(value, "none")) {
562
            /* discard is default */
563
        } else {
564
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
565
            exit(1);
566
        }
567
    }
568
}
569

    
570
/***********************************************************/
571
/* Bluetooth support */
572
static int nb_hcis;
573
static int cur_hci;
574
static struct HCIInfo *hci_table[MAX_NICS];
575

    
576
static struct bt_vlan_s {
577
    struct bt_scatternet_s net;
578
    int id;
579
    struct bt_vlan_s *next;
580
} *first_bt_vlan;
581

    
582
/* find or alloc a new bluetooth "VLAN" */
583
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
584
{
585
    struct bt_vlan_s **pvlan, *vlan;
586
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
587
        if (vlan->id == id)
588
            return &vlan->net;
589
    }
590
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
591
    vlan->id = id;
592
    pvlan = &first_bt_vlan;
593
    while (*pvlan != NULL)
594
        pvlan = &(*pvlan)->next;
595
    *pvlan = vlan;
596
    return &vlan->net;
597
}
598

    
599
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
600
{
601
}
602

    
603
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
604
{
605
    return -ENOTSUP;
606
}
607

    
608
static struct HCIInfo null_hci = {
609
    .cmd_send = null_hci_send,
610
    .sco_send = null_hci_send,
611
    .acl_send = null_hci_send,
612
    .bdaddr_set = null_hci_addr_set,
613
};
614

    
615
struct HCIInfo *qemu_next_hci(void)
616
{
617
    if (cur_hci == nb_hcis)
618
        return &null_hci;
619

    
620
    return hci_table[cur_hci++];
621
}
622

    
623
static struct HCIInfo *hci_init(const char *str)
624
{
625
    char *endp;
626
    struct bt_scatternet_s *vlan = 0;
627

    
628
    if (!strcmp(str, "null"))
629
        /* null */
630
        return &null_hci;
631
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
632
        /* host[:hciN] */
633
        return bt_host_hci(str[4] ? str + 5 : "hci0");
634
    else if (!strncmp(str, "hci", 3)) {
635
        /* hci[,vlan=n] */
636
        if (str[3]) {
637
            if (!strncmp(str + 3, ",vlan=", 6)) {
638
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
639
                if (*endp)
640
                    vlan = 0;
641
            }
642
        } else
643
            vlan = qemu_find_bt_vlan(0);
644
        if (vlan)
645
           return bt_new_hci(vlan);
646
    }
647

    
648
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
649

    
650
    return 0;
651
}
652

    
653
static int bt_hci_parse(const char *str)
654
{
655
    struct HCIInfo *hci;
656
    bdaddr_t bdaddr;
657

    
658
    if (nb_hcis >= MAX_NICS) {
659
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
660
        return -1;
661
    }
662

    
663
    hci = hci_init(str);
664
    if (!hci)
665
        return -1;
666

    
667
    bdaddr.b[0] = 0x52;
668
    bdaddr.b[1] = 0x54;
669
    bdaddr.b[2] = 0x00;
670
    bdaddr.b[3] = 0x12;
671
    bdaddr.b[4] = 0x34;
672
    bdaddr.b[5] = 0x56 + nb_hcis;
673
    hci->bdaddr_set(hci, bdaddr.b);
674

    
675
    hci_table[nb_hcis++] = hci;
676

    
677
    return 0;
678
}
679

    
680
static void bt_vhci_add(int vlan_id)
681
{
682
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
683

    
684
    if (!vlan->slave)
685
        fprintf(stderr, "qemu: warning: adding a VHCI to "
686
                        "an empty scatternet %i\n", vlan_id);
687

    
688
    bt_vhci_init(bt_new_hci(vlan));
689
}
690

    
691
static struct bt_device_s *bt_device_add(const char *opt)
692
{
693
    struct bt_scatternet_s *vlan;
694
    int vlan_id = 0;
695
    char *endp = strstr(opt, ",vlan=");
696
    int len = (endp ? endp - opt : strlen(opt)) + 1;
697
    char devname[10];
698

    
699
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
700

    
701
    if (endp) {
702
        vlan_id = strtol(endp + 6, &endp, 0);
703
        if (*endp) {
704
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
705
            return 0;
706
        }
707
    }
708

    
709
    vlan = qemu_find_bt_vlan(vlan_id);
710

    
711
    if (!vlan->slave)
712
        fprintf(stderr, "qemu: warning: adding a slave device to "
713
                        "an empty scatternet %i\n", vlan_id);
714

    
715
    if (!strcmp(devname, "keyboard"))
716
        return bt_keyboard_init(vlan);
717

    
718
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
719
    return 0;
720
}
721

    
722
static int bt_parse(const char *opt)
723
{
724
    const char *endp, *p;
725
    int vlan;
726

    
727
    if (strstart(opt, "hci", &endp)) {
728
        if (!*endp || *endp == ',') {
729
            if (*endp)
730
                if (!strstart(endp, ",vlan=", 0))
731
                    opt = endp + 1;
732

    
733
            return bt_hci_parse(opt);
734
       }
735
    } else if (strstart(opt, "vhci", &endp)) {
736
        if (!*endp || *endp == ',') {
737
            if (*endp) {
738
                if (strstart(endp, ",vlan=", &p)) {
739
                    vlan = strtol(p, (char **) &endp, 0);
740
                    if (*endp) {
741
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
742
                        return 1;
743
                    }
744
                } else {
745
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
746
                    return 1;
747
                }
748
            } else
749
                vlan = 0;
750

    
751
            bt_vhci_add(vlan);
752
            return 0;
753
        }
754
    } else if (strstart(opt, "device:", &endp))
755
        return !bt_device_add(endp);
756

    
757
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
758
    return 1;
759
}
760

    
761
/***********************************************************/
762
/* QEMU Block devices */
763

    
764
#define HD_OPTS "media=disk"
765
#define CDROM_OPTS "media=cdrom"
766
#define FD_OPTS ""
767
#define PFLASH_OPTS ""
768
#define MTD_OPTS ""
769
#define SD_OPTS ""
770

    
771
static int drive_init_func(QemuOpts *opts, void *opaque)
772
{
773
    int *use_scsi = opaque;
774

    
775
    return drive_init(opts, *use_scsi) == NULL;
776
}
777

    
778
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
779
{
780
    if (NULL == qemu_opt_get(opts, "snapshot")) {
781
        qemu_opt_set(opts, "snapshot", "on");
782
    }
783
    return 0;
784
}
785

    
786
static void default_drive(int enable, int snapshot, int use_scsi,
787
                          BlockInterfaceType type, int index,
788
                          const char *optstr)
789
{
790
    QemuOpts *opts;
791

    
792
    if (type == IF_DEFAULT) {
793
        type = use_scsi ? IF_SCSI : IF_IDE;
794
    }
795

    
796
    if (!enable || drive_get_by_index(type, index)) {
797
        return;
798
    }
799

    
800
    opts = drive_add(type, index, NULL, optstr);
801
    if (snapshot) {
802
        drive_enable_snapshot(opts, NULL);
803
    }
804
    if (!drive_init(opts, use_scsi)) {
805
        exit(1);
806
    }
807
}
808

    
809
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
810
{
811
    boot_set_handler = func;
812
    boot_set_opaque = opaque;
813
}
814

    
815
int qemu_boot_set(const char *boot_devices)
816
{
817
    if (!boot_set_handler) {
818
        return -EINVAL;
819
    }
820
    return boot_set_handler(boot_set_opaque, boot_devices);
821
}
822

    
823
static void validate_bootdevices(char *devices)
824
{
825
    /* We just do some generic consistency checks */
826
    const char *p;
827
    int bitmap = 0;
828

    
829
    for (p = devices; *p != '\0'; p++) {
830
        /* Allowed boot devices are:
831
         * a-b: floppy disk drives
832
         * c-f: IDE disk drives
833
         * g-m: machine implementation dependent drives
834
         * n-p: network devices
835
         * It's up to each machine implementation to check if the given boot
836
         * devices match the actual hardware implementation and firmware
837
         * features.
838
         */
839
        if (*p < 'a' || *p > 'p') {
840
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
841
            exit(1);
842
        }
843
        if (bitmap & (1 << (*p - 'a'))) {
844
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
845
            exit(1);
846
        }
847
        bitmap |= 1 << (*p - 'a');
848
    }
849
}
850

    
851
static void restore_boot_devices(void *opaque)
852
{
853
    char *standard_boot_devices = opaque;
854
    static int first = 1;
855

    
856
    /* Restore boot order and remove ourselves after the first boot */
857
    if (first) {
858
        first = 0;
859
        return;
860
    }
861

    
862
    qemu_boot_set(standard_boot_devices);
863

    
864
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
865
    g_free(standard_boot_devices);
866
}
867

    
868
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
869
                          const char *suffix)
870
{
871
    FWBootEntry *node, *i;
872

    
873
    if (bootindex < 0) {
874
        return;
875
    }
876

    
877
    assert(dev != NULL || suffix != NULL);
878

    
879
    node = g_malloc0(sizeof(FWBootEntry));
880
    node->bootindex = bootindex;
881
    node->suffix = suffix ? g_strdup(suffix) : NULL;
882
    node->dev = dev;
883

    
884
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
885
        if (i->bootindex == bootindex) {
886
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
887
            exit(1);
888
        } else if (i->bootindex < bootindex) {
889
            continue;
890
        }
891
        QTAILQ_INSERT_BEFORE(i, node, link);
892
        return;
893
    }
894
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
895
}
896

    
897
/*
898
 * This function returns null terminated string that consist of new line
899
 * separated device paths.
900
 *
901
 * memory pointed by "size" is assigned total length of the array in bytes
902
 *
903
 */
904
char *get_boot_devices_list(uint32_t *size)
905
{
906
    FWBootEntry *i;
907
    uint32_t total = 0;
908
    char *list = NULL;
909

    
910
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
911
        char *devpath = NULL, *bootpath;
912
        int len;
913

    
914
        if (i->dev) {
915
            devpath = qdev_get_fw_dev_path(i->dev);
916
            assert(devpath);
917
        }
918

    
919
        if (i->suffix && devpath) {
920
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
921

    
922
            bootpath = g_malloc(bootpathlen);
923
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
924
            g_free(devpath);
925
        } else if (devpath) {
926
            bootpath = devpath;
927
        } else {
928
            assert(i->suffix);
929
            bootpath = g_strdup(i->suffix);
930
        }
931

    
932
        if (total) {
933
            list[total-1] = '\n';
934
        }
935
        len = strlen(bootpath) + 1;
936
        list = g_realloc(list, total + len);
937
        memcpy(&list[total], bootpath, len);
938
        total += len;
939
        g_free(bootpath);
940
    }
941

    
942
    *size = total;
943

    
944
    return list;
945
}
946

    
947
static void numa_add(const char *optarg)
948
{
949
    char option[128];
950
    char *endptr;
951
    unsigned long long value, endvalue;
952
    int nodenr;
953

    
954
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
955
    if (!strcmp(option, "node")) {
956
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
957
            nodenr = nb_numa_nodes;
958
        } else {
959
            nodenr = strtoull(option, NULL, 10);
960
        }
961

    
962
        if (get_param_value(option, 128, "mem", optarg) == 0) {
963
            node_mem[nodenr] = 0;
964
        } else {
965
            int64_t sval;
966
            sval = strtosz(option, &endptr);
967
            if (sval < 0 || *endptr) {
968
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
969
                exit(1);
970
            }
971
            node_mem[nodenr] = sval;
972
        }
973
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
974
            node_cpumask[nodenr] = 0;
975
        } else {
976
            value = strtoull(option, &endptr, 10);
977
            if (value >= 64) {
978
                value = 63;
979
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
980
            } else {
981
                if (*endptr == '-') {
982
                    endvalue = strtoull(endptr+1, &endptr, 10);
983
                    if (endvalue >= 63) {
984
                        endvalue = 62;
985
                        fprintf(stderr,
986
                            "only 63 CPUs in NUMA mode supported.\n");
987
                    }
988
                    value = (2ULL << endvalue) - (1ULL << value);
989
                } else {
990
                    value = 1ULL << value;
991
                }
992
            }
993
            node_cpumask[nodenr] = value;
994
        }
995
        nb_numa_nodes++;
996
    }
997
    return;
998
}
999

    
1000
static void smp_parse(const char *optarg)
1001
{
1002
    int smp, sockets = 0, threads = 0, cores = 0;
1003
    char *endptr;
1004
    char option[128];
1005

    
1006
    smp = strtoul(optarg, &endptr, 10);
1007
    if (endptr != optarg) {
1008
        if (*endptr == ',') {
1009
            endptr++;
1010
        }
1011
    }
1012
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1013
        sockets = strtoull(option, NULL, 10);
1014
    if (get_param_value(option, 128, "cores", endptr) != 0)
1015
        cores = strtoull(option, NULL, 10);
1016
    if (get_param_value(option, 128, "threads", endptr) != 0)
1017
        threads = strtoull(option, NULL, 10);
1018
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1019
        max_cpus = strtoull(option, NULL, 10);
1020

    
1021
    /* compute missing values, prefer sockets over cores over threads */
1022
    if (smp == 0 || sockets == 0) {
1023
        sockets = sockets > 0 ? sockets : 1;
1024
        cores = cores > 0 ? cores : 1;
1025
        threads = threads > 0 ? threads : 1;
1026
        if (smp == 0) {
1027
            smp = cores * threads * sockets;
1028
        }
1029
    } else {
1030
        if (cores == 0) {
1031
            threads = threads > 0 ? threads : 1;
1032
            cores = smp / (sockets * threads);
1033
        } else {
1034
            threads = smp / (cores * sockets);
1035
        }
1036
    }
1037
    smp_cpus = smp;
1038
    smp_cores = cores > 0 ? cores : 1;
1039
    smp_threads = threads > 0 ? threads : 1;
1040
    if (max_cpus == 0)
1041
        max_cpus = smp_cpus;
1042
}
1043

    
1044
/***********************************************************/
1045
/* USB devices */
1046

    
1047
static int usb_device_add(const char *devname)
1048
{
1049
    const char *p;
1050
    USBDevice *dev = NULL;
1051

    
1052
    if (!usb_enabled)
1053
        return -1;
1054

    
1055
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1056
    dev = usbdevice_create(devname);
1057
    if (dev)
1058
        goto done;
1059

    
1060
    /* the other ones */
1061
#ifndef CONFIG_LINUX
1062
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1063
    if (strstart(devname, "host:", &p)) {
1064
        dev = usb_host_device_open(usb_bus_find(-1), p);
1065
    } else
1066
#endif
1067
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1068
        dev = usb_bt_init(usb_bus_find(-1),
1069
                          devname[2] ? hci_init(p)
1070
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1071
    } else {
1072
        return -1;
1073
    }
1074
    if (!dev)
1075
        return -1;
1076

    
1077
done:
1078
    return 0;
1079
}
1080

    
1081
static int usb_device_del(const char *devname)
1082
{
1083
    int bus_num, addr;
1084
    const char *p;
1085

    
1086
    if (strstart(devname, "host:", &p))
1087
        return usb_host_device_close(p);
1088

    
1089
    if (!usb_enabled)
1090
        return -1;
1091

    
1092
    p = strchr(devname, '.');
1093
    if (!p)
1094
        return -1;
1095
    bus_num = strtoul(devname, NULL, 0);
1096
    addr = strtoul(p + 1, NULL, 0);
1097

    
1098
    return usb_device_delete_addr(bus_num, addr);
1099
}
1100

    
1101
static int usb_parse(const char *cmdline)
1102
{
1103
    int r;
1104
    r = usb_device_add(cmdline);
1105
    if (r < 0) {
1106
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1107
    }
1108
    return r;
1109
}
1110

    
1111
void do_usb_add(Monitor *mon, const QDict *qdict)
1112
{
1113
    const char *devname = qdict_get_str(qdict, "devname");
1114
    if (usb_device_add(devname) < 0) {
1115
        error_report("could not add USB device '%s'", devname);
1116
    }
1117
}
1118

    
1119
void do_usb_del(Monitor *mon, const QDict *qdict)
1120
{
1121
    const char *devname = qdict_get_str(qdict, "devname");
1122
    if (usb_device_del(devname) < 0) {
1123
        error_report("could not delete USB device '%s'", devname);
1124
    }
1125
}
1126

    
1127
/***********************************************************/
1128
/* PCMCIA/Cardbus */
1129

    
1130
static struct pcmcia_socket_entry_s {
1131
    PCMCIASocket *socket;
1132
    struct pcmcia_socket_entry_s *next;
1133
} *pcmcia_sockets = 0;
1134

    
1135
void pcmcia_socket_register(PCMCIASocket *socket)
1136
{
1137
    struct pcmcia_socket_entry_s *entry;
1138

    
1139
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1140
    entry->socket = socket;
1141
    entry->next = pcmcia_sockets;
1142
    pcmcia_sockets = entry;
1143
}
1144

    
1145
void pcmcia_socket_unregister(PCMCIASocket *socket)
1146
{
1147
    struct pcmcia_socket_entry_s *entry, **ptr;
1148

    
1149
    ptr = &pcmcia_sockets;
1150
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1151
        if (entry->socket == socket) {
1152
            *ptr = entry->next;
1153
            g_free(entry);
1154
        }
1155
}
1156

    
1157
void pcmcia_info(Monitor *mon)
1158
{
1159
    struct pcmcia_socket_entry_s *iter;
1160

    
1161
    if (!pcmcia_sockets)
1162
        monitor_printf(mon, "No PCMCIA sockets\n");
1163

    
1164
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1165
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1166
                       iter->socket->attached ? iter->socket->card_string :
1167
                       "Empty");
1168
}
1169

    
1170
/***********************************************************/
1171
/* machine registration */
1172

    
1173
static QEMUMachine *first_machine = NULL;
1174
QEMUMachine *current_machine = NULL;
1175

    
1176
int qemu_register_machine(QEMUMachine *m)
1177
{
1178
    QEMUMachine **pm;
1179
    pm = &first_machine;
1180
    while (*pm != NULL)
1181
        pm = &(*pm)->next;
1182
    m->next = NULL;
1183
    *pm = m;
1184
    return 0;
1185
}
1186

    
1187
static QEMUMachine *find_machine(const char *name)
1188
{
1189
    QEMUMachine *m;
1190

    
1191
    for(m = first_machine; m != NULL; m = m->next) {
1192
        if (!strcmp(m->name, name))
1193
            return m;
1194
        if (m->alias && !strcmp(m->alias, name))
1195
            return m;
1196
    }
1197
    return NULL;
1198
}
1199

    
1200
QEMUMachine *find_default_machine(void)
1201
{
1202
    QEMUMachine *m;
1203

    
1204
    for(m = first_machine; m != NULL; m = m->next) {
1205
        if (m->is_default) {
1206
            return m;
1207
        }
1208
    }
1209
    return NULL;
1210
}
1211

    
1212
/***********************************************************/
1213
/* main execution loop */
1214

    
1215
static void gui_update(void *opaque)
1216
{
1217
    uint64_t interval = GUI_REFRESH_INTERVAL;
1218
    DisplayState *ds = opaque;
1219
    DisplayChangeListener *dcl = ds->listeners;
1220

    
1221
    dpy_refresh(ds);
1222

    
1223
    while (dcl != NULL) {
1224
        if (dcl->gui_timer_interval &&
1225
            dcl->gui_timer_interval < interval)
1226
            interval = dcl->gui_timer_interval;
1227
        dcl = dcl->next;
1228
    }
1229
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1230
}
1231

    
1232
struct vm_change_state_entry {
1233
    VMChangeStateHandler *cb;
1234
    void *opaque;
1235
    QLIST_ENTRY (vm_change_state_entry) entries;
1236
};
1237

    
1238
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1239

    
1240
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1241
                                                     void *opaque)
1242
{
1243
    VMChangeStateEntry *e;
1244

    
1245
    e = g_malloc0(sizeof (*e));
1246

    
1247
    e->cb = cb;
1248
    e->opaque = opaque;
1249
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1250
    return e;
1251
}
1252

    
1253
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1254
{
1255
    QLIST_REMOVE (e, entries);
1256
    g_free (e);
1257
}
1258

    
1259
void vm_state_notify(int running, RunState state)
1260
{
1261
    VMChangeStateEntry *e;
1262

    
1263
    trace_vm_state_notify(running, state);
1264

    
1265
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1266
        e->cb(e->opaque, running, state);
1267
    }
1268
}
1269

    
1270
void vm_start(void)
1271
{
1272
    if (!runstate_is_running()) {
1273
        cpu_enable_ticks();
1274
        runstate_set(RUN_STATE_RUNNING);
1275
        vm_state_notify(1, RUN_STATE_RUNNING);
1276
        resume_all_vcpus();
1277
        monitor_protocol_event(QEVENT_RESUME, NULL);
1278
    }
1279
}
1280

    
1281
/* reset/shutdown handler */
1282

    
1283
typedef struct QEMUResetEntry {
1284
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1285
    QEMUResetHandler *func;
1286
    void *opaque;
1287
} QEMUResetEntry;
1288

    
1289
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1290
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1291
static int reset_requested;
1292
static int shutdown_requested, shutdown_signal = -1;
1293
static pid_t shutdown_pid;
1294
static int powerdown_requested;
1295
static int debug_requested;
1296
static int suspend_requested;
1297
static NotifierList suspend_notifiers =
1298
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1299
static NotifierList wakeup_notifiers =
1300
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1301
static uint32_t wakeup_reason_mask = ~0;
1302
static RunState vmstop_requested = RUN_STATE_MAX;
1303

    
1304
int qemu_shutdown_requested_get(void)
1305
{
1306
    return shutdown_requested;
1307
}
1308

    
1309
int qemu_reset_requested_get(void)
1310
{
1311
    return reset_requested;
1312
}
1313

    
1314
int qemu_shutdown_requested(void)
1315
{
1316
    int r = shutdown_requested;
1317
    shutdown_requested = 0;
1318
    return r;
1319
}
1320

    
1321
void qemu_kill_report(void)
1322
{
1323
    if (!qtest_enabled() && shutdown_signal != -1) {
1324
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1325
        if (shutdown_pid == 0) {
1326
            /* This happens for eg ^C at the terminal, so it's worth
1327
             * avoiding printing an odd message in that case.
1328
             */
1329
            fputc('\n', stderr);
1330
        } else {
1331
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1332
        }
1333
        shutdown_signal = -1;
1334
    }
1335
}
1336

    
1337
int qemu_reset_requested(void)
1338
{
1339
    int r = reset_requested;
1340
    reset_requested = 0;
1341
    return r;
1342
}
1343

    
1344
static int qemu_suspend_requested(void)
1345
{
1346
    int r = suspend_requested;
1347
    suspend_requested = 0;
1348
    return r;
1349
}
1350

    
1351
int qemu_powerdown_requested(void)
1352
{
1353
    int r = powerdown_requested;
1354
    powerdown_requested = 0;
1355
    return r;
1356
}
1357

    
1358
static int qemu_debug_requested(void)
1359
{
1360
    int r = debug_requested;
1361
    debug_requested = 0;
1362
    return r;
1363
}
1364

    
1365
/* We use RUN_STATE_MAX but any invalid value will do */
1366
static bool qemu_vmstop_requested(RunState *r)
1367
{
1368
    if (vmstop_requested < RUN_STATE_MAX) {
1369
        *r = vmstop_requested;
1370
        vmstop_requested = RUN_STATE_MAX;
1371
        return true;
1372
    }
1373

    
1374
    return false;
1375
}
1376

    
1377
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1378
{
1379
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1380

    
1381
    re->func = func;
1382
    re->opaque = opaque;
1383
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1384
}
1385

    
1386
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1387
{
1388
    QEMUResetEntry *re;
1389

    
1390
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1391
        if (re->func == func && re->opaque == opaque) {
1392
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1393
            g_free(re);
1394
            return;
1395
        }
1396
    }
1397
}
1398

    
1399
void qemu_system_reset(bool report)
1400
{
1401
    QEMUResetEntry *re, *nre;
1402

    
1403
    /* reset all devices */
1404
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1405
        re->func(re->opaque);
1406
    }
1407
    if (report) {
1408
        monitor_protocol_event(QEVENT_RESET, NULL);
1409
    }
1410
    cpu_synchronize_all_post_reset();
1411
}
1412

    
1413
void qemu_system_reset_request(void)
1414
{
1415
    if (no_reboot) {
1416
        shutdown_requested = 1;
1417
    } else {
1418
        reset_requested = 1;
1419
    }
1420
    cpu_stop_current();
1421
    qemu_notify_event();
1422
}
1423

    
1424
static void qemu_system_suspend(void)
1425
{
1426
    pause_all_vcpus();
1427
    notifier_list_notify(&suspend_notifiers, NULL);
1428
    runstate_set(RUN_STATE_SUSPENDED);
1429
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1430
}
1431

    
1432
void qemu_system_suspend_request(void)
1433
{
1434
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1435
        return;
1436
    }
1437
    suspend_requested = 1;
1438
    cpu_stop_current();
1439
    qemu_notify_event();
1440
}
1441

    
1442
void qemu_register_suspend_notifier(Notifier *notifier)
1443
{
1444
    notifier_list_add(&suspend_notifiers, notifier);
1445
}
1446

    
1447
void qemu_system_wakeup_request(WakeupReason reason)
1448
{
1449
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1450
        return;
1451
    }
1452
    if (!(wakeup_reason_mask & (1 << reason))) {
1453
        return;
1454
    }
1455
    runstate_set(RUN_STATE_RUNNING);
1456
    monitor_protocol_event(QEVENT_WAKEUP, NULL);
1457
    notifier_list_notify(&wakeup_notifiers, &reason);
1458
    reset_requested = 1;
1459
    qemu_notify_event();
1460
}
1461

    
1462
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1463
{
1464
    if (enabled) {
1465
        wakeup_reason_mask |= (1 << reason);
1466
    } else {
1467
        wakeup_reason_mask &= ~(1 << reason);
1468
    }
1469
}
1470

    
1471
void qemu_register_wakeup_notifier(Notifier *notifier)
1472
{
1473
    notifier_list_add(&wakeup_notifiers, notifier);
1474
}
1475

    
1476
void qemu_system_killed(int signal, pid_t pid)
1477
{
1478
    shutdown_signal = signal;
1479
    shutdown_pid = pid;
1480
    no_shutdown = 0;
1481
    qemu_system_shutdown_request();
1482
}
1483

    
1484
void qemu_system_shutdown_request(void)
1485
{
1486
    shutdown_requested = 1;
1487
    qemu_notify_event();
1488
}
1489

    
1490
void qemu_system_powerdown_request(void)
1491
{
1492
    powerdown_requested = 1;
1493
    qemu_notify_event();
1494
}
1495

    
1496
void qemu_system_debug_request(void)
1497
{
1498
    debug_requested = 1;
1499
    qemu_notify_event();
1500
}
1501

    
1502
void qemu_system_vmstop_request(RunState state)
1503
{
1504
    vmstop_requested = state;
1505
    qemu_notify_event();
1506
}
1507

    
1508
qemu_irq qemu_system_powerdown;
1509

    
1510
static bool main_loop_should_exit(void)
1511
{
1512
    RunState r;
1513
    if (qemu_debug_requested()) {
1514
        vm_stop(RUN_STATE_DEBUG);
1515
    }
1516
    if (qemu_suspend_requested()) {
1517
        qemu_system_suspend();
1518
    }
1519
    if (qemu_shutdown_requested()) {
1520
        qemu_kill_report();
1521
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1522
        if (no_shutdown) {
1523
            vm_stop(RUN_STATE_SHUTDOWN);
1524
        } else {
1525
            return true;
1526
        }
1527
    }
1528
    if (qemu_reset_requested()) {
1529
        pause_all_vcpus();
1530
        cpu_synchronize_all_states();
1531
        qemu_system_reset(VMRESET_REPORT);
1532
        resume_all_vcpus();
1533
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1534
            runstate_check(RUN_STATE_SHUTDOWN)) {
1535
            runstate_set(RUN_STATE_PAUSED);
1536
        }
1537
    }
1538
    if (qemu_powerdown_requested()) {
1539
        monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1540
        qemu_irq_raise(qemu_system_powerdown);
1541
    }
1542
    if (qemu_vmstop_requested(&r)) {
1543
        vm_stop(r);
1544
    }
1545
    return false;
1546
}
1547

    
1548
static void main_loop(void)
1549
{
1550
    bool nonblocking;
1551
    int last_io = 0;
1552
#ifdef CONFIG_PROFILER
1553
    int64_t ti;
1554
#endif
1555
    do {
1556
        nonblocking = !kvm_enabled() && last_io > 0;
1557
#ifdef CONFIG_PROFILER
1558
        ti = profile_getclock();
1559
#endif
1560
        last_io = main_loop_wait(nonblocking);
1561
#ifdef CONFIG_PROFILER
1562
        dev_time += profile_getclock() - ti;
1563
#endif
1564
    } while (!main_loop_should_exit());
1565
}
1566

    
1567
static void version(void)
1568
{
1569
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1570
}
1571

    
1572
static void help(int exitcode)
1573
{
1574
    version();
1575
    printf("usage: %s [options] [disk_image]\n\n"
1576
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1577
            error_get_progname());
1578

    
1579
#define QEMU_OPTIONS_GENERATE_HELP
1580
#include "qemu-options-wrapper.h"
1581

    
1582
    printf("\nDuring emulation, the following keys are useful:\n"
1583
           "ctrl-alt-f      toggle full screen\n"
1584
           "ctrl-alt-n      switch to virtual console 'n'\n"
1585
           "ctrl-alt        toggle mouse and keyboard grab\n"
1586
           "\n"
1587
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1588

    
1589
    exit(exitcode);
1590
}
1591

    
1592
#define HAS_ARG 0x0001
1593

    
1594
typedef struct QEMUOption {
1595
    const char *name;
1596
    int flags;
1597
    int index;
1598
    uint32_t arch_mask;
1599
} QEMUOption;
1600

    
1601
static const QEMUOption qemu_options[] = {
1602
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1603
#define QEMU_OPTIONS_GENERATE_OPTIONS
1604
#include "qemu-options-wrapper.h"
1605
    { NULL },
1606
};
1607

    
1608
static bool vga_available(void)
1609
{
1610
    return qdev_exists("VGA") || qdev_exists("isa-vga");
1611
}
1612

    
1613
static bool cirrus_vga_available(void)
1614
{
1615
    return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1616
}
1617

    
1618
static bool vmware_vga_available(void)
1619
{
1620
    return qdev_exists("vmware-svga");
1621
}
1622

    
1623
static void select_vgahw (const char *p)
1624
{
1625
    const char *opts;
1626

    
1627
    vga_interface_type = VGA_NONE;
1628
    if (strstart(p, "std", &opts)) {
1629
        if (vga_available()) {
1630
            vga_interface_type = VGA_STD;
1631
        } else {
1632
            fprintf(stderr, "Error: standard VGA not available\n");
1633
            exit(0);
1634
        }
1635
    } else if (strstart(p, "cirrus", &opts)) {
1636
        if (cirrus_vga_available()) {
1637
            vga_interface_type = VGA_CIRRUS;
1638
        } else {
1639
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1640
            exit(0);
1641
        }
1642
    } else if (strstart(p, "vmware", &opts)) {
1643
        if (vmware_vga_available()) {
1644
            vga_interface_type = VGA_VMWARE;
1645
        } else {
1646
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1647
            exit(0);
1648
        }
1649
    } else if (strstart(p, "xenfb", &opts)) {
1650
        vga_interface_type = VGA_XENFB;
1651
    } else if (strstart(p, "qxl", &opts)) {
1652
        vga_interface_type = VGA_QXL;
1653
    } else if (!strstart(p, "none", &opts)) {
1654
    invalid_vga:
1655
        fprintf(stderr, "Unknown vga type: %s\n", p);
1656
        exit(1);
1657
    }
1658
    while (*opts) {
1659
        const char *nextopt;
1660

    
1661
        if (strstart(opts, ",retrace=", &nextopt)) {
1662
            opts = nextopt;
1663
            if (strstart(opts, "dumb", &nextopt))
1664
                vga_retrace_method = VGA_RETRACE_DUMB;
1665
            else if (strstart(opts, "precise", &nextopt))
1666
                vga_retrace_method = VGA_RETRACE_PRECISE;
1667
            else goto invalid_vga;
1668
        } else goto invalid_vga;
1669
        opts = nextopt;
1670
    }
1671
}
1672

    
1673
static DisplayType select_display(const char *p)
1674
{
1675
    const char *opts;
1676
    DisplayType display = DT_DEFAULT;
1677

    
1678
    if (strstart(p, "sdl", &opts)) {
1679
#ifdef CONFIG_SDL
1680
        display = DT_SDL;
1681
        while (*opts) {
1682
            const char *nextopt;
1683

    
1684
            if (strstart(opts, ",frame=", &nextopt)) {
1685
                opts = nextopt;
1686
                if (strstart(opts, "on", &nextopt)) {
1687
                    no_frame = 0;
1688
                } else if (strstart(opts, "off", &nextopt)) {
1689
                    no_frame = 1;
1690
                } else {
1691
                    goto invalid_sdl_args;
1692
                }
1693
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1694
                opts = nextopt;
1695
                if (strstart(opts, "on", &nextopt)) {
1696
                    alt_grab = 1;
1697
                } else if (strstart(opts, "off", &nextopt)) {
1698
                    alt_grab = 0;
1699
                } else {
1700
                    goto invalid_sdl_args;
1701
                }
1702
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1703
                opts = nextopt;
1704
                if (strstart(opts, "on", &nextopt)) {
1705
                    ctrl_grab = 1;
1706
                } else if (strstart(opts, "off", &nextopt)) {
1707
                    ctrl_grab = 0;
1708
                } else {
1709
                    goto invalid_sdl_args;
1710
                }
1711
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1712
                opts = nextopt;
1713
                if (strstart(opts, "on", &nextopt)) {
1714
                    no_quit = 0;
1715
                } else if (strstart(opts, "off", &nextopt)) {
1716
                    no_quit = 1;
1717
                } else {
1718
                    goto invalid_sdl_args;
1719
                }
1720
            } else {
1721
            invalid_sdl_args:
1722
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1723
                exit(1);
1724
            }
1725
            opts = nextopt;
1726
        }
1727
#else
1728
        fprintf(stderr, "SDL support is disabled\n");
1729
        exit(1);
1730
#endif
1731
    } else if (strstart(p, "vnc", &opts)) {
1732
#ifdef CONFIG_VNC
1733
        display_remote++;
1734

    
1735
        if (*opts) {
1736
            const char *nextopt;
1737

    
1738
            if (strstart(opts, "=", &nextopt)) {
1739
                vnc_display = nextopt;
1740
            }
1741
        }
1742
        if (!vnc_display) {
1743
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1744
            exit(1);
1745
        }
1746
#else
1747
        fprintf(stderr, "VNC support is disabled\n");
1748
        exit(1);
1749
#endif
1750
    } else if (strstart(p, "curses", &opts)) {
1751
#ifdef CONFIG_CURSES
1752
        display = DT_CURSES;
1753
#else
1754
        fprintf(stderr, "Curses support is disabled\n");
1755
        exit(1);
1756
#endif
1757
    } else if (strstart(p, "none", &opts)) {
1758
        display = DT_NONE;
1759
    } else {
1760
        fprintf(stderr, "Unknown display type: %s\n", p);
1761
        exit(1);
1762
    }
1763

    
1764
    return display;
1765
}
1766

    
1767
static int balloon_parse(const char *arg)
1768
{
1769
    QemuOpts *opts;
1770

    
1771
    if (strcmp(arg, "none") == 0) {
1772
        return 0;
1773
    }
1774

    
1775
    if (!strncmp(arg, "virtio", 6)) {
1776
        if (arg[6] == ',') {
1777
            /* have params -> parse them */
1778
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1779
            if (!opts)
1780
                return  -1;
1781
        } else {
1782
            /* create empty opts */
1783
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1784
        }
1785
        qemu_opt_set(opts, "driver", "virtio-balloon");
1786
        return 0;
1787
    }
1788

    
1789
    return -1;
1790
}
1791

    
1792
char *qemu_find_file(int type, const char *name)
1793
{
1794
    int len;
1795
    const char *subdir;
1796
    char *buf;
1797

    
1798
    /* If name contains path separators then try it as a straight path.  */
1799
    if ((strchr(name, '/') || strchr(name, '\\'))
1800
        && access(name, R_OK) == 0) {
1801
        return g_strdup(name);
1802
    }
1803
    switch (type) {
1804
    case QEMU_FILE_TYPE_BIOS:
1805
        subdir = "";
1806
        break;
1807
    case QEMU_FILE_TYPE_KEYMAP:
1808
        subdir = "keymaps/";
1809
        break;
1810
    default:
1811
        abort();
1812
    }
1813
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1814
    buf = g_malloc0(len);
1815
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1816
    if (access(buf, R_OK)) {
1817
        g_free(buf);
1818
        return NULL;
1819
    }
1820
    return buf;
1821
}
1822

    
1823
static int device_help_func(QemuOpts *opts, void *opaque)
1824
{
1825
    return qdev_device_help(opts);
1826
}
1827

    
1828
static int device_init_func(QemuOpts *opts, void *opaque)
1829
{
1830
    DeviceState *dev;
1831

    
1832
    dev = qdev_device_add(opts);
1833
    if (!dev)
1834
        return -1;
1835
    return 0;
1836
}
1837

    
1838
static int chardev_init_func(QemuOpts *opts, void *opaque)
1839
{
1840
    CharDriverState *chr;
1841

    
1842
    chr = qemu_chr_new_from_opts(opts, NULL);
1843
    if (!chr)
1844
        return -1;
1845
    return 0;
1846
}
1847

    
1848
#ifdef CONFIG_VIRTFS
1849
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1850
{
1851
    int ret;
1852
    ret = qemu_fsdev_add(opts);
1853

    
1854
    return ret;
1855
}
1856
#endif
1857

    
1858
static int mon_init_func(QemuOpts *opts, void *opaque)
1859
{
1860
    CharDriverState *chr;
1861
    const char *chardev;
1862
    const char *mode;
1863
    int flags;
1864

    
1865
    mode = qemu_opt_get(opts, "mode");
1866
    if (mode == NULL) {
1867
        mode = "readline";
1868
    }
1869
    if (strcmp(mode, "readline") == 0) {
1870
        flags = MONITOR_USE_READLINE;
1871
    } else if (strcmp(mode, "control") == 0) {
1872
        flags = MONITOR_USE_CONTROL;
1873
    } else {
1874
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1875
        exit(1);
1876
    }
1877

    
1878
    if (qemu_opt_get_bool(opts, "pretty", 0))
1879
        flags |= MONITOR_USE_PRETTY;
1880

    
1881
    if (qemu_opt_get_bool(opts, "default", 0))
1882
        flags |= MONITOR_IS_DEFAULT;
1883

    
1884
    chardev = qemu_opt_get(opts, "chardev");
1885
    chr = qemu_chr_find(chardev);
1886
    if (chr == NULL) {
1887
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1888
        exit(1);
1889
    }
1890

    
1891
    monitor_init(chr, flags);
1892
    return 0;
1893
}
1894

    
1895
static void monitor_parse(const char *optarg, const char *mode)
1896
{
1897
    static int monitor_device_index = 0;
1898
    QemuOpts *opts;
1899
    const char *p;
1900
    char label[32];
1901
    int def = 0;
1902

    
1903
    if (strstart(optarg, "chardev:", &p)) {
1904
        snprintf(label, sizeof(label), "%s", p);
1905
    } else {
1906
        snprintf(label, sizeof(label), "compat_monitor%d",
1907
                 monitor_device_index);
1908
        if (monitor_device_index == 0) {
1909
            def = 1;
1910
        }
1911
        opts = qemu_chr_parse_compat(label, optarg);
1912
        if (!opts) {
1913
            fprintf(stderr, "parse error: %s\n", optarg);
1914
            exit(1);
1915
        }
1916
    }
1917

    
1918
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1919
    if (!opts) {
1920
        fprintf(stderr, "duplicate chardev: %s\n", label);
1921
        exit(1);
1922
    }
1923
    qemu_opt_set(opts, "mode", mode);
1924
    qemu_opt_set(opts, "chardev", label);
1925
    if (def)
1926
        qemu_opt_set(opts, "default", "on");
1927
    monitor_device_index++;
1928
}
1929

    
1930
struct device_config {
1931
    enum {
1932
        DEV_USB,       /* -usbdevice     */
1933
        DEV_BT,        /* -bt            */
1934
        DEV_SERIAL,    /* -serial        */
1935
        DEV_PARALLEL,  /* -parallel      */
1936
        DEV_VIRTCON,   /* -virtioconsole */
1937
        DEV_DEBUGCON,  /* -debugcon */
1938
        DEV_GDB,       /* -gdb, -s */
1939
    } type;
1940
    const char *cmdline;
1941
    Location loc;
1942
    QTAILQ_ENTRY(device_config) next;
1943
};
1944
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1945

    
1946
static void add_device_config(int type, const char *cmdline)
1947
{
1948
    struct device_config *conf;
1949

    
1950
    conf = g_malloc0(sizeof(*conf));
1951
    conf->type = type;
1952
    conf->cmdline = cmdline;
1953
    loc_save(&conf->loc);
1954
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1955
}
1956

    
1957
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1958
{
1959
    struct device_config *conf;
1960
    int rc;
1961

    
1962
    QTAILQ_FOREACH(conf, &device_configs, next) {
1963
        if (conf->type != type)
1964
            continue;
1965
        loc_push_restore(&conf->loc);
1966
        rc = func(conf->cmdline);
1967
        loc_pop(&conf->loc);
1968
        if (0 != rc)
1969
            return rc;
1970
    }
1971
    return 0;
1972
}
1973

    
1974
static int serial_parse(const char *devname)
1975
{
1976
    static int index = 0;
1977
    char label[32];
1978

    
1979
    if (strcmp(devname, "none") == 0)
1980
        return 0;
1981
    if (index == MAX_SERIAL_PORTS) {
1982
        fprintf(stderr, "qemu: too many serial ports\n");
1983
        exit(1);
1984
    }
1985
    snprintf(label, sizeof(label), "serial%d", index);
1986
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
1987
    if (!serial_hds[index]) {
1988
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1989
                devname, strerror(errno));
1990
        return -1;
1991
    }
1992
    index++;
1993
    return 0;
1994
}
1995

    
1996
static int parallel_parse(const char *devname)
1997
{
1998
    static int index = 0;
1999
    char label[32];
2000

    
2001
    if (strcmp(devname, "none") == 0)
2002
        return 0;
2003
    if (index == MAX_PARALLEL_PORTS) {
2004
        fprintf(stderr, "qemu: too many parallel ports\n");
2005
        exit(1);
2006
    }
2007
    snprintf(label, sizeof(label), "parallel%d", index);
2008
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2009
    if (!parallel_hds[index]) {
2010
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2011
                devname, strerror(errno));
2012
        return -1;
2013
    }
2014
    index++;
2015
    return 0;
2016
}
2017

    
2018
static int virtcon_parse(const char *devname)
2019
{
2020
    QemuOptsList *device = qemu_find_opts("device");
2021
    static int index = 0;
2022
    char label[32];
2023
    QemuOpts *bus_opts, *dev_opts;
2024

    
2025
    if (strcmp(devname, "none") == 0)
2026
        return 0;
2027
    if (index == MAX_VIRTIO_CONSOLES) {
2028
        fprintf(stderr, "qemu: too many virtio consoles\n");
2029
        exit(1);
2030
    }
2031

    
2032
    bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2033
    if (arch_type == QEMU_ARCH_S390X) {
2034
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2035
    } else {
2036
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2037
    } 
2038

    
2039
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2040
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2041

    
2042
    snprintf(label, sizeof(label), "virtcon%d", index);
2043
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2044
    if (!virtcon_hds[index]) {
2045
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2046
                devname, strerror(errno));
2047
        return -1;
2048
    }
2049
    qemu_opt_set(dev_opts, "chardev", label);
2050

    
2051
    index++;
2052
    return 0;
2053
}
2054

    
2055
static int debugcon_parse(const char *devname)
2056
{   
2057
    QemuOpts *opts;
2058

    
2059
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2060
        exit(1);
2061
    }
2062
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2063
    if (!opts) {
2064
        fprintf(stderr, "qemu: already have a debugcon device\n");
2065
        exit(1);
2066
    }
2067
    qemu_opt_set(opts, "driver", "isa-debugcon");
2068
    qemu_opt_set(opts, "chardev", "debugcon");
2069
    return 0;
2070
}
2071

    
2072
static QEMUMachine *machine_parse(const char *name)
2073
{
2074
    QEMUMachine *m, *machine = NULL;
2075

    
2076
    if (name) {
2077
        machine = find_machine(name);
2078
    }
2079
    if (machine) {
2080
        return machine;
2081
    }
2082
    printf("Supported machines are:\n");
2083
    for (m = first_machine; m != NULL; m = m->next) {
2084
        if (m->alias) {
2085
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2086
        }
2087
        printf("%-20s %s%s\n", m->name, m->desc,
2088
               m->is_default ? " (default)" : "");
2089
    }
2090
    exit(!name || *name != '?');
2091
}
2092

    
2093
static int tcg_init(void)
2094
{
2095
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2096
    return 0;
2097
}
2098

    
2099
static struct {
2100
    const char *opt_name;
2101
    const char *name;
2102
    int (*available)(void);
2103
    int (*init)(void);
2104
    int *allowed;
2105
} accel_list[] = {
2106
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2107
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2108
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2109
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2110
};
2111

    
2112
static int configure_accelerator(void)
2113
{
2114
    const char *p = NULL;
2115
    char buf[10];
2116
    int i, ret;
2117
    bool accel_initialised = 0;
2118
    bool init_failed = 0;
2119

    
2120
    QemuOptsList *list = qemu_find_opts("machine");
2121
    if (!QTAILQ_EMPTY(&list->head)) {
2122
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2123
    }
2124

    
2125
    if (p == NULL) {
2126
        /* Use the default "accelerator", tcg */
2127
        p = "tcg";
2128
    }
2129

    
2130
    while (!accel_initialised && *p != '\0') {
2131
        if (*p == ':') {
2132
            p++;
2133
        }
2134
        p = get_opt_name(buf, sizeof (buf), p, ':');
2135
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2136
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2137
                *(accel_list[i].allowed) = 1;
2138
                ret = accel_list[i].init();
2139
                if (ret < 0) {
2140
                    init_failed = 1;
2141
                    if (!accel_list[i].available()) {
2142
                        printf("%s not supported for this target\n",
2143
                               accel_list[i].name);
2144
                    } else {
2145
                        fprintf(stderr, "failed to initialize %s: %s\n",
2146
                                accel_list[i].name,
2147
                                strerror(-ret));
2148
                    }
2149
                    *(accel_list[i].allowed) = 0;
2150
                } else {
2151
                    accel_initialised = 1;
2152
                }
2153
                break;
2154
            }
2155
        }
2156
        if (i == ARRAY_SIZE(accel_list)) {
2157
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2158
        }
2159
    }
2160

    
2161
    if (!accel_initialised) {
2162
        fprintf(stderr, "No accelerator found!\n");
2163
        exit(1);
2164
    }
2165

    
2166
    if (init_failed) {
2167
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2168
    }
2169

    
2170
    return !accel_initialised;
2171
}
2172

    
2173
void qemu_add_exit_notifier(Notifier *notify)
2174
{
2175
    notifier_list_add(&exit_notifiers, notify);
2176
}
2177

    
2178
void qemu_remove_exit_notifier(Notifier *notify)
2179
{
2180
    notifier_remove(notify);
2181
}
2182

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

    
2188
void qemu_add_machine_init_done_notifier(Notifier *notify)
2189
{
2190
    notifier_list_add(&machine_init_done_notifiers, notify);
2191
}
2192

    
2193
static void qemu_run_machine_init_done_notifiers(void)
2194
{
2195
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2196
}
2197

    
2198
static const QEMUOption *lookup_opt(int argc, char **argv,
2199
                                    const char **poptarg, int *poptind)
2200
{
2201
    const QEMUOption *popt;
2202
    int optind = *poptind;
2203
    char *r = argv[optind];
2204
    const char *optarg;
2205

    
2206
    loc_set_cmdline(argv, optind, 1);
2207
    optind++;
2208
    /* Treat --foo the same as -foo.  */
2209
    if (r[1] == '-')
2210
        r++;
2211
    popt = qemu_options;
2212
    for(;;) {
2213
        if (!popt->name) {
2214
            error_report("invalid option");
2215
            exit(1);
2216
        }
2217
        if (!strcmp(popt->name, r + 1))
2218
            break;
2219
        popt++;
2220
    }
2221
    if (popt->flags & HAS_ARG) {
2222
        if (optind >= argc) {
2223
            error_report("requires an argument");
2224
            exit(1);
2225
        }
2226
        optarg = argv[optind++];
2227
        loc_set_cmdline(argv, optind - 2, 2);
2228
    } else {
2229
        optarg = NULL;
2230
    }
2231

    
2232
    *poptarg = optarg;
2233
    *poptind = optind;
2234

    
2235
    return popt;
2236
}
2237

    
2238
static gpointer malloc_and_trace(gsize n_bytes)
2239
{
2240
    void *ptr = malloc(n_bytes);
2241
    trace_g_malloc(n_bytes, ptr);
2242
    return ptr;
2243
}
2244

    
2245
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2246
{
2247
    void *ptr = realloc(mem, n_bytes);
2248
    trace_g_realloc(mem, n_bytes, ptr);
2249
    return ptr;
2250
}
2251

    
2252
static void free_and_trace(gpointer mem)
2253
{
2254
    trace_g_free(mem);
2255
    free(mem);
2256
}
2257

    
2258
int qemu_init_main_loop(void)
2259
{
2260
    return main_loop_init();
2261
}
2262

    
2263
int main(int argc, char **argv, char **envp)
2264
{
2265
    int i;
2266
    int snapshot, linux_boot;
2267
    const char *icount_option = NULL;
2268
    const char *initrd_filename;
2269
    const char *kernel_filename, *kernel_cmdline;
2270
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2271
    DisplayState *ds;
2272
    DisplayChangeListener *dcl;
2273
    int cyls, heads, secs, translation;
2274
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2275
    QemuOptsList *olist;
2276
    int optind;
2277
    const char *optarg;
2278
    const char *loadvm = NULL;
2279
    QEMUMachine *machine;
2280
    const char *cpu_model;
2281
    const char *vga_model = "none";
2282
    const char *pid_file = NULL;
2283
    const char *incoming = NULL;
2284
#ifdef CONFIG_VNC
2285
    int show_vnc_port = 0;
2286
#endif
2287
    bool defconfig = true;
2288
    bool userconfig = true;
2289
    const char *log_mask = NULL;
2290
    const char *log_file = NULL;
2291
    GMemVTable mem_trace = {
2292
        .malloc = malloc_and_trace,
2293
        .realloc = realloc_and_trace,
2294
        .free = free_and_trace,
2295
    };
2296
    const char *trace_events = NULL;
2297
    const char *trace_file = NULL;
2298

    
2299
    atexit(qemu_run_exit_notifiers);
2300
    error_set_progname(argv[0]);
2301

    
2302
    g_mem_set_vtable(&mem_trace);
2303
    if (!g_thread_supported()) {
2304
#if !GLIB_CHECK_VERSION(2, 31, 0)
2305
        g_thread_init(NULL);
2306
#else
2307
        fprintf(stderr, "glib threading failed to initialize.\n");
2308
        exit(1);
2309
#endif
2310
    }
2311

    
2312
    module_call_init(MODULE_INIT_QOM);
2313

    
2314
    runstate_init();
2315

    
2316
    init_clocks();
2317
    rtc_clock = host_clock;
2318

    
2319
    qemu_cache_utils_init(envp);
2320

    
2321
    QLIST_INIT (&vm_change_state_head);
2322
    os_setup_early_signal_handling();
2323

    
2324
    module_call_init(MODULE_INIT_MACHINE);
2325
    machine = find_default_machine();
2326
    cpu_model = NULL;
2327
    ram_size = 0;
2328
    snapshot = 0;
2329
    cyls = heads = secs = 0;
2330
    translation = BIOS_ATA_TRANSLATION_AUTO;
2331

    
2332
    for (i = 0; i < MAX_NODES; i++) {
2333
        node_mem[i] = 0;
2334
        node_cpumask[i] = 0;
2335
    }
2336

    
2337
    nb_numa_nodes = 0;
2338
    nb_nics = 0;
2339

    
2340
    autostart= 1;
2341

    
2342
    /* first pass of option parsing */
2343
    optind = 1;
2344
    while (optind < argc) {
2345
        if (argv[optind][0] != '-') {
2346
            /* disk image */
2347
            optind++;
2348
            continue;
2349
        } else {
2350
            const QEMUOption *popt;
2351

    
2352
            popt = lookup_opt(argc, argv, &optarg, &optind);
2353
            switch (popt->index) {
2354
            case QEMU_OPTION_nodefconfig:
2355
                defconfig = false;
2356
                break;
2357
            case QEMU_OPTION_nouserconfig:
2358
                userconfig = false;
2359
                break;
2360
            }
2361
        }
2362
    }
2363

    
2364
    if (defconfig) {
2365
        int ret;
2366
        ret = qemu_read_default_config_files(userconfig);
2367
        if (ret < 0) {
2368
            exit(1);
2369
        }
2370
    }
2371

    
2372
    /* second pass of option parsing */
2373
    optind = 1;
2374
    for(;;) {
2375
        if (optind >= argc)
2376
            break;
2377
        if (argv[optind][0] != '-') {
2378
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2379
        } else {
2380
            const QEMUOption *popt;
2381

    
2382
            popt = lookup_opt(argc, argv, &optarg, &optind);
2383
            if (!(popt->arch_mask & arch_type)) {
2384
                printf("Option %s not supported for this target\n", popt->name);
2385
                exit(1);
2386
            }
2387
            switch(popt->index) {
2388
            case QEMU_OPTION_M:
2389
                machine = machine_parse(optarg);
2390
                break;
2391
            case QEMU_OPTION_cpu:
2392
                /* hw initialization will check this */
2393
                cpu_model = optarg;
2394
                break;
2395
            case QEMU_OPTION_hda:
2396
                {
2397
                    char buf[256];
2398
                    if (cyls == 0)
2399
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2400
                    else
2401
                        snprintf(buf, sizeof(buf),
2402
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2403
                                 HD_OPTS , cyls, heads, secs,
2404
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2405
                                 ",trans=lba" :
2406
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2407
                                 ",trans=none" : "");
2408
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2409
                    break;
2410
                }
2411
            case QEMU_OPTION_hdb:
2412
            case QEMU_OPTION_hdc:
2413
            case QEMU_OPTION_hdd:
2414
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2415
                          HD_OPTS);
2416
                break;
2417
            case QEMU_OPTION_drive:
2418
                if (drive_def(optarg) == NULL) {
2419
                    exit(1);
2420
                }
2421
                break;
2422
            case QEMU_OPTION_set:
2423
                if (qemu_set_option(optarg) != 0)
2424
                    exit(1);
2425
                break;
2426
            case QEMU_OPTION_global:
2427
                if (qemu_global_option(optarg) != 0)
2428
                    exit(1);
2429
                break;
2430
            case QEMU_OPTION_mtdblock:
2431
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2432
                break;
2433
            case QEMU_OPTION_sd:
2434
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2435
                break;
2436
            case QEMU_OPTION_pflash:
2437
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2438
                break;
2439
            case QEMU_OPTION_snapshot:
2440
                snapshot = 1;
2441
                break;
2442
            case QEMU_OPTION_hdachs:
2443
                {
2444
                    const char *p;
2445
                    p = optarg;
2446
                    cyls = strtol(p, (char **)&p, 0);
2447
                    if (cyls < 1 || cyls > 16383)
2448
                        goto chs_fail;
2449
                    if (*p != ',')
2450
                        goto chs_fail;
2451
                    p++;
2452
                    heads = strtol(p, (char **)&p, 0);
2453
                    if (heads < 1 || heads > 16)
2454
                        goto chs_fail;
2455
                    if (*p != ',')
2456
                        goto chs_fail;
2457
                    p++;
2458
                    secs = strtol(p, (char **)&p, 0);
2459
                    if (secs < 1 || secs > 63)
2460
                        goto chs_fail;
2461
                    if (*p == ',') {
2462
                        p++;
2463
                        if (!strcmp(p, "none"))
2464
                            translation = BIOS_ATA_TRANSLATION_NONE;
2465
                        else if (!strcmp(p, "lba"))
2466
                            translation = BIOS_ATA_TRANSLATION_LBA;
2467
                        else if (!strcmp(p, "auto"))
2468
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2469
                        else
2470
                            goto chs_fail;
2471
                    } else if (*p != '\0') {
2472
                    chs_fail:
2473
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2474
                        exit(1);
2475
                    }
2476
                    if (hda_opts != NULL) {
2477
                        char num[16];
2478
                        snprintf(num, sizeof(num), "%d", cyls);
2479
                        qemu_opt_set(hda_opts, "cyls", num);
2480
                        snprintf(num, sizeof(num), "%d", heads);
2481
                        qemu_opt_set(hda_opts, "heads", num);
2482
                        snprintf(num, sizeof(num), "%d", secs);
2483
                        qemu_opt_set(hda_opts, "secs", num);
2484
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2485
                            qemu_opt_set(hda_opts, "trans", "lba");
2486
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2487
                            qemu_opt_set(hda_opts, "trans", "none");
2488
                    }
2489
                }
2490
                break;
2491
            case QEMU_OPTION_numa:
2492
                if (nb_numa_nodes >= MAX_NODES) {
2493
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2494
                    exit(1);
2495
                }
2496
                numa_add(optarg);
2497
                break;
2498
            case QEMU_OPTION_display:
2499
                display_type = select_display(optarg);
2500
                break;
2501
            case QEMU_OPTION_nographic:
2502
                display_type = DT_NOGRAPHIC;
2503
                break;
2504
            case QEMU_OPTION_curses:
2505
#ifdef CONFIG_CURSES
2506
                display_type = DT_CURSES;
2507
#else
2508
                fprintf(stderr, "Curses support is disabled\n");
2509
                exit(1);
2510
#endif
2511
                break;
2512
            case QEMU_OPTION_portrait:
2513
                graphic_rotate = 90;
2514
                break;
2515
            case QEMU_OPTION_rotate:
2516
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2517
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2518
                    graphic_rotate != 180 && graphic_rotate != 270) {
2519
                    fprintf(stderr,
2520
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2521
                    exit(1);
2522
                }
2523
                break;
2524
            case QEMU_OPTION_kernel:
2525
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2526
                break;
2527
            case QEMU_OPTION_initrd:
2528
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2529
                break;
2530
            case QEMU_OPTION_append:
2531
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2532
                break;
2533
            case QEMU_OPTION_dtb:
2534
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2535
                break;
2536
            case QEMU_OPTION_cdrom:
2537
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2538
                break;
2539
            case QEMU_OPTION_boot:
2540
                {
2541
                    static const char * const params[] = {
2542
                        "order", "once", "menu",
2543
                        "splash", "splash-time", NULL
2544
                    };
2545
                    char buf[sizeof(boot_devices)];
2546
                    char *standard_boot_devices;
2547
                    int legacy = 0;
2548

    
2549
                    if (!strchr(optarg, '=')) {
2550
                        legacy = 1;
2551
                        pstrcpy(buf, sizeof(buf), optarg);
2552
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2553
                        fprintf(stderr,
2554
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2555
                                buf, optarg);
2556
                        exit(1);
2557
                    }
2558

    
2559
                    if (legacy ||
2560
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2561
                        validate_bootdevices(buf);
2562
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2563
                    }
2564
                    if (!legacy) {
2565
                        if (get_param_value(buf, sizeof(buf),
2566
                                            "once", optarg)) {
2567
                            validate_bootdevices(buf);
2568
                            standard_boot_devices = g_strdup(boot_devices);
2569
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2570
                            qemu_register_reset(restore_boot_devices,
2571
                                                standard_boot_devices);
2572
                        }
2573
                        if (get_param_value(buf, sizeof(buf),
2574
                                            "menu", optarg)) {
2575
                            if (!strcmp(buf, "on")) {
2576
                                boot_menu = 1;
2577
                            } else if (!strcmp(buf, "off")) {
2578
                                boot_menu = 0;
2579
                            } else {
2580
                                fprintf(stderr,
2581
                                        "qemu: invalid option value '%s'\n",
2582
                                        buf);
2583
                                exit(1);
2584
                            }
2585
                        }
2586
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2587
                                        optarg, 0);
2588
                    }
2589
                }
2590
                break;
2591
            case QEMU_OPTION_fda:
2592
            case QEMU_OPTION_fdb:
2593
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2594
                          optarg, FD_OPTS);
2595
                break;
2596
            case QEMU_OPTION_no_fd_bootchk:
2597
                fd_bootchk = 0;
2598
                break;
2599
            case QEMU_OPTION_netdev:
2600
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2601
                    exit(1);
2602
                }
2603
                break;
2604
            case QEMU_OPTION_net:
2605
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2606
                    exit(1);
2607
                }
2608
                break;
2609
#ifdef CONFIG_LIBISCSI
2610
            case QEMU_OPTION_iscsi:
2611
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2612
                if (!opts) {
2613
                    exit(1);
2614
                }
2615
                break;
2616
#endif
2617
#ifdef CONFIG_SLIRP
2618
            case QEMU_OPTION_tftp:
2619
                legacy_tftp_prefix = optarg;
2620
                break;
2621
            case QEMU_OPTION_bootp:
2622
                legacy_bootp_filename = optarg;
2623
                break;
2624
            case QEMU_OPTION_redir:
2625
                if (net_slirp_redir(optarg) < 0)
2626
                    exit(1);
2627
                break;
2628
#endif
2629
            case QEMU_OPTION_bt:
2630
                add_device_config(DEV_BT, optarg);
2631
                break;
2632
            case QEMU_OPTION_audio_help:
2633
                if (!(audio_available())) {
2634
                    printf("Option %s not supported for this target\n", popt->name);
2635
                    exit(1);
2636
                }
2637
                AUD_help ();
2638
                exit (0);
2639
                break;
2640
            case QEMU_OPTION_soundhw:
2641
                if (!(audio_available())) {
2642
                    printf("Option %s not supported for this target\n", popt->name);
2643
                    exit(1);
2644
                }
2645
                select_soundhw (optarg);
2646
                break;
2647
            case QEMU_OPTION_h:
2648
                help(0);
2649
                break;
2650
            case QEMU_OPTION_version:
2651
                version();
2652
                exit(0);
2653
                break;
2654
            case QEMU_OPTION_m: {
2655
                int64_t value;
2656
                char *end;
2657

    
2658
                value = strtosz(optarg, &end);
2659
                if (value < 0 || *end) {
2660
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2661
                    exit(1);
2662
                }
2663

    
2664
                if (value != (uint64_t)(ram_addr_t)value) {
2665
                    fprintf(stderr, "qemu: ram size too large\n");
2666
                    exit(1);
2667
                }
2668
                ram_size = value;
2669
                break;
2670
            }
2671
            case QEMU_OPTION_mempath:
2672
                mem_path = optarg;
2673
                break;
2674
#ifdef MAP_POPULATE
2675
            case QEMU_OPTION_mem_prealloc:
2676
                mem_prealloc = 1;
2677
                break;
2678
#endif
2679
            case QEMU_OPTION_d:
2680
                log_mask = optarg;
2681
                break;
2682
            case QEMU_OPTION_D:
2683
                log_file = optarg;
2684
                break;
2685
            case QEMU_OPTION_s:
2686
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2687
                break;
2688
            case QEMU_OPTION_gdb:
2689
                add_device_config(DEV_GDB, optarg);
2690
                break;
2691
            case QEMU_OPTION_L:
2692
                data_dir = optarg;
2693
                break;
2694
            case QEMU_OPTION_bios:
2695
                bios_name = optarg;
2696
                break;
2697
            case QEMU_OPTION_singlestep:
2698
                singlestep = 1;
2699
                break;
2700
            case QEMU_OPTION_S:
2701
                autostart = 0;
2702
                break;
2703
            case QEMU_OPTION_k:
2704
                keyboard_layout = optarg;
2705
                break;
2706
            case QEMU_OPTION_localtime:
2707
                rtc_utc = 0;
2708
                break;
2709
            case QEMU_OPTION_vga:
2710
                vga_model = optarg;
2711
                default_vga = 0;
2712
                break;
2713
            case QEMU_OPTION_g:
2714
                {
2715
                    const char *p;
2716
                    int w, h, depth;
2717
                    p = optarg;
2718
                    w = strtol(p, (char **)&p, 10);
2719
                    if (w <= 0) {
2720
                    graphic_error:
2721
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2722
                        exit(1);
2723
                    }
2724
                    if (*p != 'x')
2725
                        goto graphic_error;
2726
                    p++;
2727
                    h = strtol(p, (char **)&p, 10);
2728
                    if (h <= 0)
2729
                        goto graphic_error;
2730
                    if (*p == 'x') {
2731
                        p++;
2732
                        depth = strtol(p, (char **)&p, 10);
2733
                        if (depth != 8 && depth != 15 && depth != 16 &&
2734
                            depth != 24 && depth != 32)
2735
                            goto graphic_error;
2736
                    } else if (*p == '\0') {
2737
                        depth = graphic_depth;
2738
                    } else {
2739
                        goto graphic_error;
2740
                    }
2741

    
2742
                    graphic_width = w;
2743
                    graphic_height = h;
2744
                    graphic_depth = depth;
2745
                }
2746
                break;
2747
            case QEMU_OPTION_echr:
2748
                {
2749
                    char *r;
2750
                    term_escape_char = strtol(optarg, &r, 0);
2751
                    if (r == optarg)
2752
                        printf("Bad argument to echr\n");
2753
                    break;
2754
                }
2755
            case QEMU_OPTION_monitor:
2756
                monitor_parse(optarg, "readline");
2757
                default_monitor = 0;
2758
                break;
2759
            case QEMU_OPTION_qmp:
2760
                monitor_parse(optarg, "control");
2761
                default_monitor = 0;
2762
                break;
2763
            case QEMU_OPTION_mon:
2764
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2765
                if (!opts) {
2766
                    exit(1);
2767
                }
2768
                default_monitor = 0;
2769
                break;
2770
            case QEMU_OPTION_chardev:
2771
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2772
                if (!opts) {
2773
                    exit(1);
2774
                }
2775
                break;
2776
            case QEMU_OPTION_fsdev:
2777
                olist = qemu_find_opts("fsdev");
2778
                if (!olist) {
2779
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2780
                    exit(1);
2781
                }
2782
                opts = qemu_opts_parse(olist, optarg, 1);
2783
                if (!opts) {
2784
                    fprintf(stderr, "parse error: %s\n", optarg);
2785
                    exit(1);
2786
                }
2787
                break;
2788
            case QEMU_OPTION_virtfs: {
2789
                QemuOpts *fsdev;
2790
                QemuOpts *device;
2791
                const char *writeout, *sock_fd, *socket;
2792

    
2793
                olist = qemu_find_opts("virtfs");
2794
                if (!olist) {
2795
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2796
                    exit(1);
2797
                }
2798
                opts = qemu_opts_parse(olist, optarg, 1);
2799
                if (!opts) {
2800
                    fprintf(stderr, "parse error: %s\n", optarg);
2801
                    exit(1);
2802
                }
2803

    
2804
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
2805
                    qemu_opt_get(opts, "mount_tag") == NULL) {
2806
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2807
                    exit(1);
2808
                }
2809
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2810
                                         qemu_opt_get(opts, "mount_tag"),
2811
                                         1, NULL);
2812
                if (!fsdev) {
2813
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2814
                            qemu_opt_get(opts, "mount_tag"));
2815
                    exit(1);
2816
                }
2817

    
2818
                writeout = qemu_opt_get(opts, "writeout");
2819
                if (writeout) {
2820
#ifdef CONFIG_SYNC_FILE_RANGE
2821
                    qemu_opt_set(fsdev, "writeout", writeout);
2822
#else
2823
                    fprintf(stderr, "writeout=immediate not supported on "
2824
                            "this platform\n");
2825
                    exit(1);
2826
#endif
2827
                }
2828
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2829
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2830
                qemu_opt_set(fsdev, "security_model",
2831
                             qemu_opt_get(opts, "security_model"));
2832
                socket = qemu_opt_get(opts, "socket");
2833
                if (socket) {
2834
                    qemu_opt_set(fsdev, "socket", socket);
2835
                }
2836
                sock_fd = qemu_opt_get(opts, "sock_fd");
2837
                if (sock_fd) {
2838
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
2839
                }
2840

    
2841
                qemu_opt_set_bool(fsdev, "readonly",
2842
                                qemu_opt_get_bool(opts, "readonly", 0));
2843
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2844
                                          NULL);
2845
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2846
                qemu_opt_set(device, "fsdev",
2847
                             qemu_opt_get(opts, "mount_tag"));
2848
                qemu_opt_set(device, "mount_tag",
2849
                             qemu_opt_get(opts, "mount_tag"));
2850
                break;
2851
            }
2852
            case QEMU_OPTION_virtfs_synth: {
2853
                QemuOpts *fsdev;
2854
                QemuOpts *device;
2855

    
2856
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2857
                                         1, NULL);
2858
                if (!fsdev) {
2859
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2860
                    exit(1);
2861
                }
2862
                qemu_opt_set(fsdev, "fsdriver", "synth");
2863

    
2864
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2865
                                          NULL);
2866
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2867
                qemu_opt_set(device, "fsdev", "v_synth");
2868
                qemu_opt_set(device, "mount_tag", "v_synth");
2869
                break;
2870
            }
2871
            case QEMU_OPTION_serial:
2872
                add_device_config(DEV_SERIAL, optarg);
2873
                default_serial = 0;
2874
                if (strncmp(optarg, "mon:", 4) == 0) {
2875
                    default_monitor = 0;
2876
                }
2877
                break;
2878
            case QEMU_OPTION_watchdog:
2879
                if (watchdog) {
2880
                    fprintf(stderr,
2881
                            "qemu: only one watchdog option may be given\n");
2882
                    return 1;
2883
                }
2884
                watchdog = optarg;
2885
                break;
2886
            case QEMU_OPTION_watchdog_action:
2887
                if (select_watchdog_action(optarg) == -1) {
2888
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2889
                    exit(1);
2890
                }
2891
                break;
2892
            case QEMU_OPTION_virtiocon:
2893
                add_device_config(DEV_VIRTCON, optarg);
2894
                default_virtcon = 0;
2895
                if (strncmp(optarg, "mon:", 4) == 0) {
2896
                    default_monitor = 0;
2897
                }
2898
                break;
2899
            case QEMU_OPTION_parallel:
2900
                add_device_config(DEV_PARALLEL, optarg);
2901
                default_parallel = 0;
2902
                if (strncmp(optarg, "mon:", 4) == 0) {
2903
                    default_monitor = 0;
2904
                }
2905
                break;
2906
            case QEMU_OPTION_debugcon:
2907
                add_device_config(DEV_DEBUGCON, optarg);
2908
                break;
2909
            case QEMU_OPTION_loadvm:
2910
                loadvm = optarg;
2911
                break;
2912
            case QEMU_OPTION_full_screen:
2913
                full_screen = 1;
2914
                break;
2915
#ifdef CONFIG_SDL
2916
            case QEMU_OPTION_no_frame:
2917
                no_frame = 1;
2918
                break;
2919
            case QEMU_OPTION_alt_grab:
2920
                alt_grab = 1;
2921
                break;
2922
            case QEMU_OPTION_ctrl_grab:
2923
                ctrl_grab = 1;
2924
                break;
2925
            case QEMU_OPTION_no_quit:
2926
                no_quit = 1;
2927
                break;
2928
            case QEMU_OPTION_sdl:
2929
                display_type = DT_SDL;
2930
                break;
2931
#else
2932
            case QEMU_OPTION_no_frame:
2933
            case QEMU_OPTION_alt_grab:
2934
            case QEMU_OPTION_ctrl_grab:
2935
            case QEMU_OPTION_no_quit:
2936
            case QEMU_OPTION_sdl:
2937
                fprintf(stderr, "SDL support is disabled\n");
2938
                exit(1);
2939
#endif
2940
            case QEMU_OPTION_pidfile:
2941
                pid_file = optarg;
2942
                break;
2943
            case QEMU_OPTION_win2k_hack:
2944
                win2k_install_hack = 1;
2945
                break;
2946
            case QEMU_OPTION_rtc_td_hack: {
2947
                static GlobalProperty slew_lost_ticks[] = {
2948
                    {
2949
                        .driver   = "mc146818rtc",
2950
                        .property = "lost_tick_policy",
2951
                        .value    = "slew",
2952
                    },
2953
                    { /* end of list */ }
2954
                };
2955

    
2956
                qdev_prop_register_global_list(slew_lost_ticks);
2957
                break;
2958
            }
2959
            case QEMU_OPTION_acpitable:
2960
                do_acpitable_option(optarg);
2961
                break;
2962
            case QEMU_OPTION_smbios:
2963
                do_smbios_option(optarg);
2964
                break;
2965
            case QEMU_OPTION_enable_kvm:
2966
                olist = qemu_find_opts("machine");
2967
                qemu_opts_parse(olist, "accel=kvm", 0);
2968
                break;
2969
            case QEMU_OPTION_machine:
2970
                olist = qemu_find_opts("machine");
2971
                opts = qemu_opts_parse(olist, optarg, 1);
2972
                if (!opts) {
2973
                    fprintf(stderr, "parse error: %s\n", optarg);
2974
                    exit(1);
2975
                }
2976
                optarg = qemu_opt_get(opts, "type");
2977
                if (optarg) {
2978
                    machine = machine_parse(optarg);
2979
                }
2980
                break;
2981
            case QEMU_OPTION_usb:
2982
                usb_enabled = 1;
2983
                break;
2984
            case QEMU_OPTION_usbdevice:
2985
                usb_enabled = 1;
2986
                add_device_config(DEV_USB, optarg);
2987
                break;
2988
            case QEMU_OPTION_device:
2989
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2990
                    exit(1);
2991
                }
2992
                break;
2993
            case QEMU_OPTION_smp:
2994
                smp_parse(optarg);
2995
                if (smp_cpus < 1) {
2996
                    fprintf(stderr, "Invalid number of CPUs\n");
2997
                    exit(1);
2998
                }
2999
                if (max_cpus < smp_cpus) {
3000
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3001
                            "smp\n");
3002
                    exit(1);
3003
                }
3004
                if (max_cpus > 255) {
3005
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3006
                    exit(1);
3007
                }
3008
                break;
3009
            case QEMU_OPTION_vnc:
3010
#ifdef CONFIG_VNC
3011
                display_remote++;
3012
                vnc_display = optarg;
3013
#else
3014
                fprintf(stderr, "VNC support is disabled\n");
3015
                exit(1);
3016
#endif
3017
                break;
3018
            case QEMU_OPTION_no_acpi:
3019
                acpi_enabled = 0;
3020
                break;
3021
            case QEMU_OPTION_no_hpet:
3022
                no_hpet = 1;
3023
                break;
3024
            case QEMU_OPTION_balloon:
3025
                if (balloon_parse(optarg) < 0) {
3026
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3027
                    exit(1);
3028
                }
3029
                break;
3030
            case QEMU_OPTION_no_reboot:
3031
                no_reboot = 1;
3032
                break;
3033
            case QEMU_OPTION_no_shutdown:
3034
                no_shutdown = 1;
3035
                break;
3036
            case QEMU_OPTION_show_cursor:
3037
                cursor_hide = 0;
3038
                break;
3039
            case QEMU_OPTION_uuid:
3040
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3041
                    fprintf(stderr, "Fail to parse UUID string."
3042
                            " Wrong format.\n");
3043
                    exit(1);
3044
                }
3045
                break;
3046
            case QEMU_OPTION_option_rom:
3047
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3048
                    fprintf(stderr, "Too many option ROMs\n");
3049
                    exit(1);
3050
                }
3051
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3052
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3053
                option_rom[nb_option_roms].bootindex =
3054
                    qemu_opt_get_number(opts, "bootindex", -1);
3055
                if (!option_rom[nb_option_roms].name) {
3056
                    fprintf(stderr, "Option ROM file is not specified\n");
3057
                    exit(1);
3058
                }
3059
                nb_option_roms++;
3060
                break;
3061
            case QEMU_OPTION_semihosting:
3062
                semihosting_enabled = 1;
3063
                break;
3064
            case QEMU_OPTION_name:
3065
                qemu_name = g_strdup(optarg);
3066
                 {
3067
                     char *p = strchr(qemu_name, ',');
3068
                     if (p != NULL) {
3069
                        *p++ = 0;
3070
                        if (strncmp(p, "process=", 8)) {
3071
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3072
                            exit(1);
3073
                        }
3074
                        p += 8;
3075
                        os_set_proc_name(p);
3076
                     }        
3077
                 }        
3078
                break;
3079
            case QEMU_OPTION_prom_env:
3080
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3081
                    fprintf(stderr, "Too many prom variables\n");
3082
                    exit(1);
3083
                }
3084
                prom_envs[nb_prom_envs] = optarg;
3085
                nb_prom_envs++;
3086
                break;
3087
            case QEMU_OPTION_old_param:
3088
                old_param = 1;
3089
                break;
3090
            case QEMU_OPTION_clock:
3091
                configure_alarms(optarg);
3092
                break;
3093
            case QEMU_OPTION_startdate:
3094
                configure_rtc_date_offset(optarg, 1);
3095
                break;
3096
            case QEMU_OPTION_rtc:
3097
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3098
                if (!opts) {
3099
                    exit(1);
3100
                }
3101
                configure_rtc(opts);
3102
                break;
3103
            case QEMU_OPTION_tb_size:
3104
                tcg_tb_size = strtol(optarg, NULL, 0);
3105
                if (tcg_tb_size < 0) {
3106
                    tcg_tb_size = 0;
3107
                }
3108
                break;
3109
            case QEMU_OPTION_icount:
3110
                icount_option = optarg;
3111
                break;
3112
            case QEMU_OPTION_incoming:
3113
                incoming = optarg;
3114
                runstate_set(RUN_STATE_INMIGRATE);
3115
                break;
3116
            case QEMU_OPTION_nodefaults:
3117
                default_serial = 0;
3118
                default_parallel = 0;
3119
                default_virtcon = 0;
3120
                default_monitor = 0;
3121
                default_net = 0;
3122
                default_floppy = 0;
3123
                default_cdrom = 0;
3124
                default_sdcard = 0;
3125
                default_vga = 0;
3126
                break;
3127
            case QEMU_OPTION_xen_domid:
3128
                if (!(xen_available())) {
3129
                    printf("Option %s not supported for this target\n", popt->name);
3130
                    exit(1);
3131
                }
3132
                xen_domid = atoi(optarg);
3133
                break;
3134
            case QEMU_OPTION_xen_create:
3135
                if (!(xen_available())) {
3136
                    printf("Option %s not supported for this target\n", popt->name);
3137
                    exit(1);
3138
                }
3139
                xen_mode = XEN_CREATE;
3140
                break;
3141
            case QEMU_OPTION_xen_attach:
3142
                if (!(xen_available())) {
3143
                    printf("Option %s not supported for this target\n", popt->name);
3144
                    exit(1);
3145
                }
3146
                xen_mode = XEN_ATTACH;
3147
                break;
3148
            case QEMU_OPTION_trace:
3149
            {
3150
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3151
                if (!opts) {
3152
                    exit(1);
3153
                }
3154
                trace_events = qemu_opt_get(opts, "events");
3155
                trace_file = qemu_opt_get(opts, "file");
3156
                break;
3157
            }
3158
            case QEMU_OPTION_readconfig:
3159
                {
3160
                    int ret = qemu_read_config_file(optarg);
3161
                    if (ret < 0) {
3162
                        fprintf(stderr, "read config %s: %s\n", optarg,
3163
                            strerror(-ret));
3164
                        exit(1);
3165
                    }
3166
                    break;
3167
                }
3168
            case QEMU_OPTION_spice:
3169
                olist = qemu_find_opts("spice");
3170
                if (!olist) {
3171
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3172
                    exit(1);
3173
                }
3174
                opts = qemu_opts_parse(olist, optarg, 0);
3175
                if (!opts) {
3176
                    fprintf(stderr, "parse error: %s\n", optarg);
3177
                    exit(1);
3178
                }
3179
                break;
3180
            case QEMU_OPTION_writeconfig:
3181
                {
3182
                    FILE *fp;
3183
                    if (strcmp(optarg, "-") == 0) {
3184
                        fp = stdout;
3185
                    } else {
3186
                        fp = fopen(optarg, "w");
3187
                        if (fp == NULL) {
3188
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3189
                            exit(1);
3190
                        }
3191
                    }
3192
                    qemu_config_write(fp);
3193
                    fclose(fp);
3194
                    break;
3195
                }
3196
            case QEMU_OPTION_qtest:
3197
                qtest_chrdev = optarg;
3198
                break;
3199
            case QEMU_OPTION_qtest_log:
3200
                qtest_log = optarg;
3201
                break;
3202
            default:
3203
                os_parse_cmd_args(popt->index, optarg);
3204
            }
3205
        }
3206
    }
3207
    loc_set_none();
3208

    
3209
    /* Init CPU def lists, based on config
3210
     * - Must be called after all the qemu_read_config_file() calls
3211
     * - Must be called before list_cpus()
3212
     * - Must be called before machine->init()
3213
     */
3214
    cpudef_init();
3215

    
3216
    if (cpu_model && *cpu_model == '?') {
3217
        list_cpus(stdout, &fprintf, cpu_model);
3218
        exit(0);
3219
    }
3220

    
3221
    /* Open the logfile at this point, if necessary. We can't open the logfile
3222
     * when encountering either of the logging options (-d or -D) because the
3223
     * other one may be encountered later on the command line, changing the
3224
     * location or level of logging.
3225
     */
3226
    if (log_mask) {
3227
        if (log_file) {
3228
            set_cpu_log_filename(log_file);
3229
        }
3230
        set_cpu_log(log_mask);
3231
    }
3232

    
3233
    if (!trace_backend_init(trace_events, trace_file)) {
3234
        exit(1);
3235
    }
3236

    
3237
    /* If no data_dir is specified then try to find it relative to the
3238
       executable path.  */
3239
    if (!data_dir) {
3240
        data_dir = os_find_datadir(argv[0]);
3241
    }
3242
    /* If all else fails use the install path specified when building. */
3243
    if (!data_dir) {
3244
        data_dir = CONFIG_QEMU_DATADIR;
3245
    }
3246

    
3247
    if (machine == NULL) {
3248
        fprintf(stderr, "No machine found.\n");
3249
        exit(1);
3250
    }
3251

    
3252
    /*
3253
     * Default to max_cpus = smp_cpus, in case the user doesn't
3254
     * specify a max_cpus value.
3255
     */
3256
    if (!max_cpus)
3257
        max_cpus = smp_cpus;
3258

    
3259
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3260
    if (smp_cpus > machine->max_cpus) {
3261
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3262
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3263
                machine->max_cpus);
3264
        exit(1);
3265
    }
3266

    
3267
    /*
3268
     * Get the default machine options from the machine if it is not already
3269
     * specified either by the configuration file or by the command line.
3270
     */
3271
    if (machine->default_machine_opts) {
3272
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3273
                               machine->default_machine_opts, 0);
3274
    }
3275

    
3276
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3277
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3278

    
3279
    if (machine->no_serial) {
3280
        default_serial = 0;
3281
    }
3282
    if (machine->no_parallel) {
3283
        default_parallel = 0;
3284
    }
3285
    if (!machine->use_virtcon) {
3286
        default_virtcon = 0;
3287
    }
3288
    if (machine->no_floppy) {
3289
        default_floppy = 0;
3290
    }
3291
    if (machine->no_cdrom) {
3292
        default_cdrom = 0;
3293
    }
3294
    if (machine->no_sdcard) {
3295
        default_sdcard = 0;
3296
    }
3297

    
3298
    if (display_type == DT_NOGRAPHIC) {
3299
        if (default_parallel)
3300
            add_device_config(DEV_PARALLEL, "null");
3301
        if (default_serial && default_monitor) {
3302
            add_device_config(DEV_SERIAL, "mon:stdio");
3303
        } else if (default_virtcon && default_monitor) {
3304
            add_device_config(DEV_VIRTCON, "mon:stdio");
3305
        } else {
3306
            if (default_serial)
3307
                add_device_config(DEV_SERIAL, "stdio");
3308
            if (default_virtcon)
3309
                add_device_config(DEV_VIRTCON, "stdio");
3310
            if (default_monitor)
3311
                monitor_parse("stdio", "readline");
3312
        }
3313
    } else {
3314
        if (default_serial)
3315
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3316
        if (default_parallel)
3317
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3318
        if (default_monitor)
3319
            monitor_parse("vc:80Cx24C", "readline");
3320
        if (default_virtcon)
3321
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3322
    }
3323

    
3324
    socket_init();
3325

    
3326
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3327
        exit(1);
3328
#ifdef CONFIG_VIRTFS
3329
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3330
        exit(1);
3331
    }
3332
#endif
3333

    
3334
    os_daemonize();
3335

    
3336
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3337
        os_pidfile_error();
3338
        exit(1);
3339
    }
3340

    
3341
    /* init the memory */
3342
    if (ram_size == 0) {
3343
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3344
    }
3345

    
3346
    configure_accelerator();
3347

    
3348
    qemu_init_cpu_loop();
3349
    if (qemu_init_main_loop()) {
3350
        fprintf(stderr, "qemu_init_main_loop failed\n");
3351
        exit(1);
3352
    }
3353

    
3354
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3355
    if (machine_opts) {
3356
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3357
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3358
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3359
    } else {
3360
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3361
    }
3362

    
3363
    if (!kernel_cmdline) {
3364
        kernel_cmdline = "";
3365
    }
3366

    
3367
    linux_boot = (kernel_filename != NULL);
3368

    
3369
    if (!linux_boot && *kernel_cmdline != '\0') {
3370
        fprintf(stderr, "-append only allowed with -kernel option\n");
3371
        exit(1);
3372
    }
3373

    
3374
    if (!linux_boot && initrd_filename != NULL) {
3375
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3376
        exit(1);
3377
    }
3378

    
3379
    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3380
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
3381
        exit(1);
3382
    }
3383

    
3384
    os_set_line_buffering();
3385

    
3386
    if (init_timer_alarm() < 0) {
3387
        fprintf(stderr, "could not initialize alarm timer\n");
3388
        exit(1);
3389
    }
3390

    
3391
#ifdef CONFIG_SPICE
3392
    /* spice needs the timers to be initialized by this point */
3393
    qemu_spice_init();
3394
#endif
3395

    
3396
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3397
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3398
        exit(1);
3399
    }
3400
    configure_icount(icount_option);
3401

    
3402
    if (net_init_clients() < 0) {
3403
        exit(1);
3404
    }
3405

    
3406
    /* init the bluetooth world */
3407
    if (foreach_device_config(DEV_BT, bt_parse))
3408
        exit(1);
3409

    
3410
    if (!xen_enabled()) {
3411
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3412
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3413
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3414
            exit(1);
3415
        }
3416
    }
3417

    
3418
    cpu_exec_init_all();
3419

    
3420
    bdrv_init_with_whitelist();
3421

    
3422
    blk_mig_init();
3423

    
3424
    /* open the virtual block devices */
3425
    if (snapshot)
3426
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3427
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3428
        exit(1);
3429

    
3430
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3431
                  IF_DEFAULT, 2, CDROM_OPTS);
3432
    default_drive(default_floppy, snapshot, machine->use_scsi,
3433
                  IF_FLOPPY, 0, FD_OPTS);
3434
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3435
                  IF_SD, 0, SD_OPTS);
3436

    
3437
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3438
                         ram_load, NULL);
3439

    
3440
    if (nb_numa_nodes > 0) {
3441
        int i;
3442

    
3443
        if (nb_numa_nodes > MAX_NODES) {
3444
            nb_numa_nodes = MAX_NODES;
3445
        }
3446

    
3447
        /* If no memory size if given for any node, assume the default case
3448
         * and distribute the available memory equally across all nodes
3449
         */
3450
        for (i = 0; i < nb_numa_nodes; i++) {
3451
            if (node_mem[i] != 0)
3452
                break;
3453
        }
3454
        if (i == nb_numa_nodes) {
3455
            uint64_t usedmem = 0;
3456

    
3457
            /* On Linux, the each node's border has to be 8MB aligned,
3458
             * the final node gets the rest.
3459
             */
3460
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3461
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3462
                usedmem += node_mem[i];
3463
            }
3464
            node_mem[i] = ram_size - usedmem;
3465
        }
3466

    
3467
        for (i = 0; i < nb_numa_nodes; i++) {
3468
            if (node_cpumask[i] != 0)
3469
                break;
3470
        }
3471
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3472
         * must cope with this anyway, because there are BIOSes out there in
3473
         * real machines which also use this scheme.
3474
         */
3475
        if (i == nb_numa_nodes) {
3476
            for (i = 0; i < max_cpus; i++) {
3477
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3478
            }
3479
        }
3480
    }
3481

    
3482
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3483
        exit(1);
3484
    }
3485

    
3486
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3487
        exit(1);
3488
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3489
        exit(1);
3490
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3491
        exit(1);
3492
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3493
        exit(1);
3494

    
3495
    /* If no default VGA is requested, the default is "none".  */
3496
    if (default_vga && cirrus_vga_available()) {
3497
        vga_model = "cirrus";
3498
    }
3499
    select_vgahw(vga_model);
3500

    
3501
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3502
        exit(0);
3503

    
3504
    if (watchdog) {
3505
        i = select_watchdog(watchdog);
3506
        if (i > 0)
3507
            exit (i == 1 ? 1 : 0);
3508
    }
3509

    
3510
    if (machine->compat_props) {
3511
        qdev_prop_register_global_list(machine->compat_props);
3512
    }
3513
    qemu_add_globals();
3514

    
3515
    qdev_machine_init();
3516

    
3517
    machine->init(ram_size, boot_devices,
3518
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3519

    
3520
    cpu_synchronize_all_post_init();
3521

    
3522
    set_numa_modes();
3523

    
3524
    current_machine = machine;
3525

    
3526
    /* init USB devices */
3527
    if (usb_enabled) {
3528
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3529
            exit(1);
3530
    }
3531

    
3532
    /* init generic devices */
3533
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3534
        exit(1);
3535

    
3536
    net_check_clients();
3537

    
3538
    /* just use the first displaystate for the moment */
3539
    ds = get_displaystate();
3540

    
3541
    if (using_spice)
3542
        display_remote++;
3543
    if (display_type == DT_DEFAULT && !display_remote) {
3544
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3545
        display_type = DT_SDL;
3546
#elif defined(CONFIG_VNC)
3547
        vnc_display = "localhost:0,to=99";
3548
        show_vnc_port = 1;
3549
#else
3550
        display_type = DT_NONE;
3551
#endif
3552
    }
3553

    
3554

    
3555
    /* init local displays */
3556
    switch (display_type) {
3557
    case DT_NOGRAPHIC:
3558
        break;
3559
#if defined(CONFIG_CURSES)
3560
    case DT_CURSES:
3561
        curses_display_init(ds, full_screen);
3562
        break;
3563
#endif
3564
#if defined(CONFIG_SDL)
3565
    case DT_SDL:
3566
        sdl_display_init(ds, full_screen, no_frame);
3567
        break;
3568
#elif defined(CONFIG_COCOA)
3569
    case DT_SDL:
3570
        cocoa_display_init(ds, full_screen);
3571
        break;
3572
#endif
3573
    default:
3574
        break;
3575
    }
3576

    
3577
    /* must be after terminal init, SDL library changes signal handlers */
3578
    os_setup_signal_handling();
3579

    
3580
#ifdef CONFIG_VNC
3581
    /* init remote displays */
3582
    if (vnc_display) {
3583
        vnc_display_init(ds);
3584
        if (vnc_display_open(ds, vnc_display) < 0)
3585
            exit(1);
3586

    
3587
        if (show_vnc_port) {
3588
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3589
        }
3590
    }
3591
#endif
3592
#ifdef CONFIG_SPICE
3593
    if (using_spice && !qxl_enabled) {
3594
        qemu_spice_display_init(ds);
3595
    }
3596
#endif
3597

    
3598
    /* display setup */
3599
    dpy_resize(ds);
3600
    dcl = ds->listeners;
3601
    while (dcl != NULL) {
3602
        if (dcl->dpy_refresh != NULL) {
3603
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3604
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3605
            break;
3606
        }
3607
        dcl = dcl->next;
3608
    }
3609
    text_consoles_set_display(ds);
3610

    
3611
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3612
        exit(1);
3613
    }
3614

    
3615
    qdev_machine_creation_done();
3616

    
3617
    if (rom_load_all() != 0) {
3618
        fprintf(stderr, "rom loading failed\n");
3619
        exit(1);
3620
    }
3621

    
3622
    /* TODO: once all bus devices are qdevified, this should be done
3623
     * when bus is created by qdev.c */
3624
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3625
    qemu_run_machine_init_done_notifiers();
3626

    
3627
    qemu_system_reset(VMRESET_SILENT);
3628
    if (loadvm) {
3629
        if (load_vmstate(loadvm) < 0) {
3630
            autostart = 0;
3631
        }
3632
    }
3633

    
3634
    if (incoming) {
3635
        Error *errp = NULL;
3636
        int ret = qemu_start_incoming_migration(incoming, &errp);
3637
        if (ret < 0) {
3638
            if (error_is_set(&errp)) {
3639
                fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3640
                error_free(errp);
3641
            }
3642
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3643
                    incoming, ret);
3644
            exit(ret);
3645
        }
3646
    } else if (autostart) {
3647
        vm_start();
3648
    }
3649

    
3650
    os_setup_post();
3651

    
3652
    resume_all_vcpus();
3653
    main_loop();
3654
    bdrv_close_all();
3655
    pause_all_vcpus();
3656
    net_cleanup();
3657
    res_free();
3658

    
3659
    return 0;
3660
}