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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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 *
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 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31
#include "bitmap.h"
32

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

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

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

    
63
#include <linux/ppdev.h>
64
#include <linux/parport.h>
65
#endif
66

    
67
#ifdef CONFIG_SECCOMP
68
#include "qemu-seccomp.h"
69
#endif
70

    
71
#ifdef __sun__
72
#include <sys/stat.h>
73
#include <sys/ethernet.h>
74
#include <sys/sockio.h>
75
#include <netinet/arp.h>
76
#include <netinet/in_systm.h>
77
#include <netinet/ip.h>
78
#include <netinet/ip_icmp.h> // must come after ip.h
79
#include <netinet/udp.h>
80
#include <netinet/tcp.h>
81
#include <net/if.h>
82
#include <syslog.h>
83
#include <stropts.h>
84
#endif
85
#endif
86
#endif
87

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

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

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

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

    
114
#include <glib.h>
115

    
116
#include "hw/hw.h"
117
#include "hw/boards.h"
118
#include "hw/usb.h"
119
#include "hw/pcmcia.h"
120
#include "hw/pc.h"
121
#include "hw/isa.h"
122
#include "hw/baum.h"
123
#include "hw/bt.h"
124
#include "hw/watchdog.h"
125
#include "hw/smbios.h"
126
#include "hw/xen.h"
127
#include "hw/qdev.h"
128
#include "hw/loader.h"
129
#include "bt-host.h"
130
#include "net.h"
131
#include "net/slirp.h"
132
#include "monitor.h"
133
#include "console.h"
134
#include "sysemu.h"
135
#include "gdbstub.h"
136
#include "qemu-timer.h"
137
#include "qemu-char.h"
138
#include "cache-utils.h"
139
#include "blockdev.h"
140
#include "hw/block-common.h"
141
#include "block-migration.h"
142
#include "dma.h"
143
#include "audio/audio.h"
144
#include "migration.h"
145
#include "kvm.h"
146
#include "qjson.h"
147
#include "qemu-option.h"
148
#include "qemu-config.h"
149
#include "qemu-options.h"
150
#include "qmp-commands.h"
151
#include "main-loop.h"
152
#ifdef CONFIG_VIRTFS
153
#include "fsdev/qemu-fsdev.h"
154
#endif
155
#include "qtest.h"
156

    
157
#include "disas.h"
158

    
159
#include "qemu_socket.h"
160

    
161
#include "slirp/libslirp.h"
162

    
163
#include "trace.h"
164
#include "trace/control.h"
165
#include "qemu-queue.h"
166
#include "cpus.h"
167
#include "arch_init.h"
168
#include "osdep.h"
169

    
170
#include "ui/qemu-spice.h"
171

    
172
//#define DEBUG_NET
173
//#define DEBUG_SLIRP
174

    
175
#define DEFAULT_RAM_SIZE 128
176

    
177
#define MAX_VIRTIO_CONSOLES 1
178

    
179
static const char *data_dir;
180
const char *bios_name = NULL;
181
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182
DisplayType display_type = DT_DEFAULT;
183
int display_remote = 0;
184
const char* keyboard_layout = NULL;
185
ram_addr_t ram_size;
186
const char *mem_path = NULL;
187
#ifdef MAP_POPULATE
188
int mem_prealloc = 0; /* force preallocation of physical target memory */
189
#endif
190
int nb_nics;
191
NICInfo nd_table[MAX_NICS];
192
int autostart;
193
static int rtc_utc = 1;
194
static int rtc_date_offset = -1; /* -1 means no change */
195
QEMUClock *rtc_clock;
196
int vga_interface_type = VGA_NONE;
197
static int full_screen = 0;
198
#ifdef CONFIG_SDL
199
static int no_frame = 0;
200
#endif
201
int no_quit = 0;
202
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205
int win2k_install_hack = 0;
206
int usb_enabled = 0;
207
int singlestep = 0;
208
int smp_cpus = 1;
209
int max_cpus = 0;
210
int smp_cores = 1;
211
int smp_threads = 1;
212
#ifdef CONFIG_VNC
213
const char *vnc_display;
214
#endif
215
int acpi_enabled = 1;
216
int no_hpet = 0;
217
int fd_bootchk = 1;
218
int no_reboot = 0;
219
int no_shutdown = 0;
220
int cursor_hide = 1;
221
int graphic_rotate = 0;
222
const char *watchdog;
223
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224
int nb_option_roms;
225
int semihosting_enabled = 0;
226
int old_param = 0;
227
const char *qemu_name;
228
int alt_grab = 0;
229
int ctrl_grab = 0;
230
unsigned int nb_prom_envs = 0;
231
const char *prom_envs[MAX_PROM_ENVS];
232
int boot_menu;
233
uint8_t *boot_splash_filedata;
234
int boot_splash_filedata_size;
235
uint8_t qemu_extra_params_fw[2];
236

    
237
typedef struct FWBootEntry FWBootEntry;
238

    
239
struct FWBootEntry {
240
    QTAILQ_ENTRY(FWBootEntry) link;
241
    int32_t bootindex;
242
    DeviceState *dev;
243
    char *suffix;
244
};
245

    
246
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
247

    
248
int nb_numa_nodes;
249
uint64_t node_mem[MAX_NODES];
250
unsigned long *node_cpumask[MAX_NODES];
251

    
252
uint8_t qemu_uuid[16];
253

    
254
static QEMUBootSetHandler *boot_set_handler;
255
static void *boot_set_opaque;
256

    
257
static NotifierList exit_notifiers =
258
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259

    
260
static NotifierList machine_init_done_notifiers =
261
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262

    
263
static int tcg_allowed = 1;
264
int kvm_allowed = 0;
265
int xen_allowed = 0;
266
uint32_t xen_domid;
267
enum xen_mode xen_mode = XEN_EMULATE;
268
static int tcg_tb_size;
269

    
270
static int default_serial = 1;
271
static int default_parallel = 1;
272
static int default_virtcon = 1;
273
static int default_monitor = 1;
274
static int default_floppy = 1;
275
static int default_cdrom = 1;
276
static int default_sdcard = 1;
277
static int default_vga = 1;
278

    
279
static struct {
280
    const char *driver;
281
    int *flag;
282
} default_list[] = {
283
    { .driver = "isa-serial",           .flag = &default_serial    },
284
    { .driver = "isa-parallel",         .flag = &default_parallel  },
285
    { .driver = "isa-fdc",              .flag = &default_floppy    },
286
    { .driver = "ide-cd",               .flag = &default_cdrom     },
287
    { .driver = "ide-hd",               .flag = &default_cdrom     },
288
    { .driver = "ide-drive",            .flag = &default_cdrom     },
289
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
290
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
291
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
292
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
293
    { .driver = "VGA",                  .flag = &default_vga       },
294
    { .driver = "isa-vga",              .flag = &default_vga       },
295
    { .driver = "cirrus-vga",           .flag = &default_vga       },
296
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
297
    { .driver = "vmware-svga",          .flag = &default_vga       },
298
    { .driver = "qxl-vga",              .flag = &default_vga       },
299
};
300

    
301
const char *qemu_get_vm_name(void)
302
{
303
    return qemu_name;
304
}
305

    
306
static void res_free(void)
307
{
308
    if (boot_splash_filedata != NULL) {
309
        g_free(boot_splash_filedata);
310
        boot_splash_filedata = NULL;
311
    }
312
}
313

    
314
static int default_driver_check(QemuOpts *opts, void *opaque)
315
{
316
    const char *driver = qemu_opt_get(opts, "driver");
317
    int i;
318

    
319
    if (!driver)
320
        return 0;
321
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
322
        if (strcmp(default_list[i].driver, driver) != 0)
323
            continue;
324
        *(default_list[i].flag) = 0;
325
    }
326
    return 0;
327
}
328

    
329
/***********************************************************/
330
/* QEMU state */
331

    
332
static RunState current_run_state = RUN_STATE_PRELAUNCH;
333

    
334
typedef struct {
335
    RunState from;
336
    RunState to;
337
} RunStateTransition;
338

    
339
static const RunStateTransition runstate_transitions_def[] = {
340
    /*     from      ->     to      */
341
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
342

    
343
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
344
    { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
345

    
346
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
347
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
348

    
349
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
350
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
351

    
352
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
353
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
354

    
355
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
356
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
357

    
358
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
359
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
360
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
361

    
362
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
363
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
364

    
365
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
366

    
367
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
368
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
369
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
370
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
371
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
372
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
373
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
374
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
375
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
376

    
377
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
378

    
379
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
380
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
381

    
382
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
383
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
384
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
385
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
386

    
387
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
388
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
389

    
390
    { RUN_STATE_MAX, RUN_STATE_MAX },
391
};
392

    
393
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
394

    
395
bool runstate_check(RunState state)
396
{
397
    return current_run_state == state;
398
}
399

    
400
void runstate_init(void)
401
{
402
    const RunStateTransition *p;
403

    
404
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
405

    
406
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
407
        runstate_valid_transitions[p->from][p->to] = true;
408
    }
409
}
410

    
411
/* This function will abort() on invalid state transitions */
412
void runstate_set(RunState new_state)
413
{
414
    assert(new_state < RUN_STATE_MAX);
415

    
416
    if (!runstate_valid_transitions[current_run_state][new_state]) {
417
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
418
                RunState_lookup[current_run_state],
419
                RunState_lookup[new_state]);
420
        abort();
421
    }
422

    
423
    current_run_state = new_state;
424
}
425

    
426
int runstate_is_running(void)
427
{
428
    return runstate_check(RUN_STATE_RUNNING);
429
}
430

    
431
StatusInfo *qmp_query_status(Error **errp)
432
{
433
    StatusInfo *info = g_malloc0(sizeof(*info));
434

    
435
    info->running = runstate_is_running();
436
    info->singlestep = singlestep;
437
    info->status = current_run_state;
438

    
439
    return info;
440
}
441

    
442
/***********************************************************/
443
/* real time host monotonic timer */
444

    
445
/***********************************************************/
446
/* host time/date access */
447
void qemu_get_timedate(struct tm *tm, int offset)
448
{
449
    time_t ti;
450
    struct tm *ret;
451

    
452
    time(&ti);
453
    ti += offset;
454
    if (rtc_date_offset == -1) {
455
        if (rtc_utc)
456
            ret = gmtime(&ti);
457
        else
458
            ret = localtime(&ti);
459
    } else {
460
        ti -= rtc_date_offset;
461
        ret = gmtime(&ti);
462
    }
463

    
464
    memcpy(tm, ret, sizeof(struct tm));
465
}
466

    
467
int qemu_timedate_diff(struct tm *tm)
468
{
469
    time_t seconds;
470

    
471
    if (rtc_date_offset == -1)
472
        if (rtc_utc)
473
            seconds = mktimegm(tm);
474
        else {
475
            struct tm tmp = *tm;
476
            tmp.tm_isdst = -1; /* use timezone to figure it out */
477
            seconds = mktime(&tmp);
478
        }
479
    else
480
        seconds = mktimegm(tm) + rtc_date_offset;
481

    
482
    return seconds - time(NULL);
483
}
484

    
485
void rtc_change_mon_event(struct tm *tm)
486
{
487
    QObject *data;
488

    
489
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
490
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
491
    qobject_decref(data);
492
}
493

    
494
static void configure_rtc_date_offset(const char *startdate, int legacy)
495
{
496
    time_t rtc_start_date;
497
    struct tm tm;
498

    
499
    if (!strcmp(startdate, "now") && legacy) {
500
        rtc_date_offset = -1;
501
    } else {
502
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
503
                   &tm.tm_year,
504
                   &tm.tm_mon,
505
                   &tm.tm_mday,
506
                   &tm.tm_hour,
507
                   &tm.tm_min,
508
                   &tm.tm_sec) == 6) {
509
            /* OK */
510
        } else if (sscanf(startdate, "%d-%d-%d",
511
                          &tm.tm_year,
512
                          &tm.tm_mon,
513
                          &tm.tm_mday) == 3) {
514
            tm.tm_hour = 0;
515
            tm.tm_min = 0;
516
            tm.tm_sec = 0;
517
        } else {
518
            goto date_fail;
519
        }
520
        tm.tm_year -= 1900;
521
        tm.tm_mon--;
522
        rtc_start_date = mktimegm(&tm);
523
        if (rtc_start_date == -1) {
524
        date_fail:
525
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
526
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
527
            exit(1);
528
        }
529
        rtc_date_offset = time(NULL) - rtc_start_date;
530
    }
531
}
532

    
533
static void configure_rtc(QemuOpts *opts)
534
{
535
    const char *value;
536

    
537
    value = qemu_opt_get(opts, "base");
538
    if (value) {
539
        if (!strcmp(value, "utc")) {
540
            rtc_utc = 1;
541
        } else if (!strcmp(value, "localtime")) {
542
            rtc_utc = 0;
543
        } else {
544
            configure_rtc_date_offset(value, 0);
545
        }
546
    }
547
    value = qemu_opt_get(opts, "clock");
548
    if (value) {
549
        if (!strcmp(value, "host")) {
550
            rtc_clock = host_clock;
551
        } else if (!strcmp(value, "rt")) {
552
            rtc_clock = rt_clock;
553
        } else if (!strcmp(value, "vm")) {
554
            rtc_clock = vm_clock;
555
        } else {
556
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
557
            exit(1);
558
        }
559
    }
560
    value = qemu_opt_get(opts, "driftfix");
561
    if (value) {
562
        if (!strcmp(value, "slew")) {
563
            static GlobalProperty slew_lost_ticks[] = {
564
                {
565
                    .driver   = "mc146818rtc",
566
                    .property = "lost_tick_policy",
567
                    .value    = "slew",
568
                },
569
                { /* end of list */ }
570
            };
571

    
572
            qdev_prop_register_global_list(slew_lost_ticks);
573
        } else if (!strcmp(value, "none")) {
574
            /* discard is default */
575
        } else {
576
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
577
            exit(1);
578
        }
579
    }
580
}
581

    
582
/***********************************************************/
583
/* Bluetooth support */
584
static int nb_hcis;
585
static int cur_hci;
586
static struct HCIInfo *hci_table[MAX_NICS];
587

    
588
static struct bt_vlan_s {
589
    struct bt_scatternet_s net;
590
    int id;
591
    struct bt_vlan_s *next;
592
} *first_bt_vlan;
593

    
594
/* find or alloc a new bluetooth "VLAN" */
595
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
596
{
597
    struct bt_vlan_s **pvlan, *vlan;
598
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
599
        if (vlan->id == id)
600
            return &vlan->net;
601
    }
602
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
603
    vlan->id = id;
604
    pvlan = &first_bt_vlan;
605
    while (*pvlan != NULL)
606
        pvlan = &(*pvlan)->next;
607
    *pvlan = vlan;
608
    return &vlan->net;
609
}
610

    
611
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
612
{
613
}
614

    
615
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
616
{
617
    return -ENOTSUP;
618
}
619

    
620
static struct HCIInfo null_hci = {
621
    .cmd_send = null_hci_send,
622
    .sco_send = null_hci_send,
623
    .acl_send = null_hci_send,
624
    .bdaddr_set = null_hci_addr_set,
625
};
626

    
627
struct HCIInfo *qemu_next_hci(void)
628
{
629
    if (cur_hci == nb_hcis)
630
        return &null_hci;
631

    
632
    return hci_table[cur_hci++];
633
}
634

    
635
static struct HCIInfo *hci_init(const char *str)
636
{
637
    char *endp;
638
    struct bt_scatternet_s *vlan = 0;
639

    
640
    if (!strcmp(str, "null"))
641
        /* null */
642
        return &null_hci;
643
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
644
        /* host[:hciN] */
645
        return bt_host_hci(str[4] ? str + 5 : "hci0");
646
    else if (!strncmp(str, "hci", 3)) {
647
        /* hci[,vlan=n] */
648
        if (str[3]) {
649
            if (!strncmp(str + 3, ",vlan=", 6)) {
650
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
651
                if (*endp)
652
                    vlan = 0;
653
            }
654
        } else
655
            vlan = qemu_find_bt_vlan(0);
656
        if (vlan)
657
           return bt_new_hci(vlan);
658
    }
659

    
660
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
661

    
662
    return 0;
663
}
664

    
665
static int bt_hci_parse(const char *str)
666
{
667
    struct HCIInfo *hci;
668
    bdaddr_t bdaddr;
669

    
670
    if (nb_hcis >= MAX_NICS) {
671
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
672
        return -1;
673
    }
674

    
675
    hci = hci_init(str);
676
    if (!hci)
677
        return -1;
678

    
679
    bdaddr.b[0] = 0x52;
680
    bdaddr.b[1] = 0x54;
681
    bdaddr.b[2] = 0x00;
682
    bdaddr.b[3] = 0x12;
683
    bdaddr.b[4] = 0x34;
684
    bdaddr.b[5] = 0x56 + nb_hcis;
685
    hci->bdaddr_set(hci, bdaddr.b);
686

    
687
    hci_table[nb_hcis++] = hci;
688

    
689
    return 0;
690
}
691

    
692
static void bt_vhci_add(int vlan_id)
693
{
694
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
695

    
696
    if (!vlan->slave)
697
        fprintf(stderr, "qemu: warning: adding a VHCI to "
698
                        "an empty scatternet %i\n", vlan_id);
699

    
700
    bt_vhci_init(bt_new_hci(vlan));
701
}
702

    
703
static struct bt_device_s *bt_device_add(const char *opt)
704
{
705
    struct bt_scatternet_s *vlan;
706
    int vlan_id = 0;
707
    char *endp = strstr(opt, ",vlan=");
708
    int len = (endp ? endp - opt : strlen(opt)) + 1;
709
    char devname[10];
710

    
711
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
712

    
713
    if (endp) {
714
        vlan_id = strtol(endp + 6, &endp, 0);
715
        if (*endp) {
716
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
717
            return 0;
718
        }
719
    }
720

    
721
    vlan = qemu_find_bt_vlan(vlan_id);
722

    
723
    if (!vlan->slave)
724
        fprintf(stderr, "qemu: warning: adding a slave device to "
725
                        "an empty scatternet %i\n", vlan_id);
726

    
727
    if (!strcmp(devname, "keyboard"))
728
        return bt_keyboard_init(vlan);
729

    
730
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
731
    return 0;
732
}
733

    
734
static int bt_parse(const char *opt)
735
{
736
    const char *endp, *p;
737
    int vlan;
738

    
739
    if (strstart(opt, "hci", &endp)) {
740
        if (!*endp || *endp == ',') {
741
            if (*endp)
742
                if (!strstart(endp, ",vlan=", 0))
743
                    opt = endp + 1;
744

    
745
            return bt_hci_parse(opt);
746
       }
747
    } else if (strstart(opt, "vhci", &endp)) {
748
        if (!*endp || *endp == ',') {
749
            if (*endp) {
750
                if (strstart(endp, ",vlan=", &p)) {
751
                    vlan = strtol(p, (char **) &endp, 0);
752
                    if (*endp) {
753
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
754
                        return 1;
755
                    }
756
                } else {
757
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
758
                    return 1;
759
                }
760
            } else
761
                vlan = 0;
762

    
763
            bt_vhci_add(vlan);
764
            return 0;
765
        }
766
    } else if (strstart(opt, "device:", &endp))
767
        return !bt_device_add(endp);
768

    
769
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
770
    return 1;
771
}
772

    
773
static int parse_sandbox(QemuOpts *opts, void *opaque)
774
{
775
    /* FIXME: change this to true for 1.3 */
776
    if (qemu_opt_get_bool(opts, "enable", false)) {
777
#ifdef CONFIG_SECCOMP
778
        if (seccomp_start() < 0) {
779
            qerror_report(ERROR_CLASS_GENERIC_ERROR,
780
                          "failed to install seccomp syscall filter in the kernel");
781
            return -1;
782
        }
783
#else
784
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
785
                      "sandboxing request but seccomp is not compiled into this build");
786
        return -1;
787
#endif
788
    }
789

    
790
    return 0;
791
}
792

    
793
/***********************************************************/
794
/* QEMU Block devices */
795

    
796
#define HD_OPTS "media=disk"
797
#define CDROM_OPTS "media=cdrom"
798
#define FD_OPTS ""
799
#define PFLASH_OPTS ""
800
#define MTD_OPTS ""
801
#define SD_OPTS ""
802

    
803
static int drive_init_func(QemuOpts *opts, void *opaque)
804
{
805
    int *use_scsi = opaque;
806

    
807
    return drive_init(opts, *use_scsi) == NULL;
808
}
809

    
810
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
811
{
812
    if (NULL == qemu_opt_get(opts, "snapshot")) {
813
        qemu_opt_set(opts, "snapshot", "on");
814
    }
815
    return 0;
816
}
817

    
818
static void default_drive(int enable, int snapshot, int use_scsi,
819
                          BlockInterfaceType type, int index,
820
                          const char *optstr)
821
{
822
    QemuOpts *opts;
823

    
824
    if (type == IF_DEFAULT) {
825
        type = use_scsi ? IF_SCSI : IF_IDE;
826
    }
827

    
828
    if (!enable || drive_get_by_index(type, index)) {
829
        return;
830
    }
831

    
832
    opts = drive_add(type, index, NULL, optstr);
833
    if (snapshot) {
834
        drive_enable_snapshot(opts, NULL);
835
    }
836
    if (!drive_init(opts, use_scsi)) {
837
        exit(1);
838
    }
839
}
840

    
841
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
842
{
843
    boot_set_handler = func;
844
    boot_set_opaque = opaque;
845
}
846

    
847
int qemu_boot_set(const char *boot_devices)
848
{
849
    if (!boot_set_handler) {
850
        return -EINVAL;
851
    }
852
    return boot_set_handler(boot_set_opaque, boot_devices);
853
}
854

    
855
static void validate_bootdevices(char *devices)
856
{
857
    /* We just do some generic consistency checks */
858
    const char *p;
859
    int bitmap = 0;
860

    
861
    for (p = devices; *p != '\0'; p++) {
862
        /* Allowed boot devices are:
863
         * a-b: floppy disk drives
864
         * c-f: IDE disk drives
865
         * g-m: machine implementation dependent drives
866
         * n-p: network devices
867
         * It's up to each machine implementation to check if the given boot
868
         * devices match the actual hardware implementation and firmware
869
         * features.
870
         */
871
        if (*p < 'a' || *p > 'p') {
872
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
873
            exit(1);
874
        }
875
        if (bitmap & (1 << (*p - 'a'))) {
876
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
877
            exit(1);
878
        }
879
        bitmap |= 1 << (*p - 'a');
880
    }
881
}
882

    
883
static void restore_boot_devices(void *opaque)
884
{
885
    char *standard_boot_devices = opaque;
886
    static int first = 1;
887

    
888
    /* Restore boot order and remove ourselves after the first boot */
889
    if (first) {
890
        first = 0;
891
        return;
892
    }
893

    
894
    qemu_boot_set(standard_boot_devices);
895

    
896
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
897
    g_free(standard_boot_devices);
898
}
899

    
900
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
901
                          const char *suffix)
902
{
903
    FWBootEntry *node, *i;
904

    
905
    if (bootindex < 0) {
906
        return;
907
    }
908

    
909
    assert(dev != NULL || suffix != NULL);
910

    
911
    node = g_malloc0(sizeof(FWBootEntry));
912
    node->bootindex = bootindex;
913
    node->suffix = suffix ? g_strdup(suffix) : NULL;
914
    node->dev = dev;
915

    
916
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
917
        if (i->bootindex == bootindex) {
918
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
919
            exit(1);
920
        } else if (i->bootindex < bootindex) {
921
            continue;
922
        }
923
        QTAILQ_INSERT_BEFORE(i, node, link);
924
        return;
925
    }
926
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
927
}
928

    
929
/*
930
 * This function returns null terminated string that consist of new line
931
 * separated device paths.
932
 *
933
 * memory pointed by "size" is assigned total length of the array in bytes
934
 *
935
 */
936
char *get_boot_devices_list(uint32_t *size)
937
{
938
    FWBootEntry *i;
939
    uint32_t total = 0;
940
    char *list = NULL;
941

    
942
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
943
        char *devpath = NULL, *bootpath;
944
        int len;
945

    
946
        if (i->dev) {
947
            devpath = qdev_get_fw_dev_path(i->dev);
948
            assert(devpath);
949
        }
950

    
951
        if (i->suffix && devpath) {
952
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
953

    
954
            bootpath = g_malloc(bootpathlen);
955
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
956
            g_free(devpath);
957
        } else if (devpath) {
958
            bootpath = devpath;
959
        } else {
960
            assert(i->suffix);
961
            bootpath = g_strdup(i->suffix);
962
        }
963

    
964
        if (total) {
965
            list[total-1] = '\n';
966
        }
967
        len = strlen(bootpath) + 1;
968
        list = g_realloc(list, total + len);
969
        memcpy(&list[total], bootpath, len);
970
        total += len;
971
        g_free(bootpath);
972
    }
973

    
974
    *size = total;
975

    
976
    return list;
977
}
978

    
979
static void numa_add(const char *optarg)
980
{
981
    char option[128];
982
    char *endptr;
983
    unsigned long long value, endvalue;
984
    int nodenr;
985

    
986
    value = endvalue = 0ULL;
987

    
988
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
989
    if (!strcmp(option, "node")) {
990
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
991
            nodenr = nb_numa_nodes;
992
        } else {
993
            nodenr = strtoull(option, NULL, 10);
994
        }
995

    
996
        if (get_param_value(option, 128, "mem", optarg) == 0) {
997
            node_mem[nodenr] = 0;
998
        } else {
999
            int64_t sval;
1000
            sval = strtosz(option, &endptr);
1001
            if (sval < 0 || *endptr) {
1002
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1003
                exit(1);
1004
            }
1005
            node_mem[nodenr] = sval;
1006
        }
1007
        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1008
            value = strtoull(option, &endptr, 10);
1009
            if (*endptr == '-') {
1010
                endvalue = strtoull(endptr+1, &endptr, 10);
1011
            } else {
1012
                endvalue = value;
1013
            }
1014

    
1015
            if (!(endvalue < MAX_CPUMASK_BITS)) {
1016
                endvalue = MAX_CPUMASK_BITS - 1;
1017
                fprintf(stderr,
1018
                    "A max of %d CPUs are supported in a guest\n",
1019
                     MAX_CPUMASK_BITS);
1020
            }
1021

    
1022
            bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1023
        }
1024
        nb_numa_nodes++;
1025
    }
1026
    return;
1027
}
1028

    
1029
static void smp_parse(const char *optarg)
1030
{
1031
    int smp, sockets = 0, threads = 0, cores = 0;
1032
    char *endptr;
1033
    char option[128];
1034

    
1035
    smp = strtoul(optarg, &endptr, 10);
1036
    if (endptr != optarg) {
1037
        if (*endptr == ',') {
1038
            endptr++;
1039
        }
1040
    }
1041
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1042
        sockets = strtoull(option, NULL, 10);
1043
    if (get_param_value(option, 128, "cores", endptr) != 0)
1044
        cores = strtoull(option, NULL, 10);
1045
    if (get_param_value(option, 128, "threads", endptr) != 0)
1046
        threads = strtoull(option, NULL, 10);
1047
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1048
        max_cpus = strtoull(option, NULL, 10);
1049

    
1050
    /* compute missing values, prefer sockets over cores over threads */
1051
    if (smp == 0 || sockets == 0) {
1052
        sockets = sockets > 0 ? sockets : 1;
1053
        cores = cores > 0 ? cores : 1;
1054
        threads = threads > 0 ? threads : 1;
1055
        if (smp == 0) {
1056
            smp = cores * threads * sockets;
1057
        }
1058
    } else {
1059
        if (cores == 0) {
1060
            threads = threads > 0 ? threads : 1;
1061
            cores = smp / (sockets * threads);
1062
        } else {
1063
            threads = smp / (cores * sockets);
1064
        }
1065
    }
1066
    smp_cpus = smp;
1067
    smp_cores = cores > 0 ? cores : 1;
1068
    smp_threads = threads > 0 ? threads : 1;
1069
    if (max_cpus == 0)
1070
        max_cpus = smp_cpus;
1071
}
1072

    
1073
/***********************************************************/
1074
/* USB devices */
1075

    
1076
static int usb_device_add(const char *devname)
1077
{
1078
    const char *p;
1079
    USBDevice *dev = NULL;
1080

    
1081
    if (!usb_enabled)
1082
        return -1;
1083

    
1084
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1085
    dev = usbdevice_create(devname);
1086
    if (dev)
1087
        goto done;
1088

    
1089
    /* the other ones */
1090
#ifndef CONFIG_LINUX
1091
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1092
    if (strstart(devname, "host:", &p)) {
1093
        dev = usb_host_device_open(usb_bus_find(-1), p);
1094
    } else
1095
#endif
1096
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1097
        dev = usb_bt_init(usb_bus_find(-1),
1098
                          devname[2] ? hci_init(p)
1099
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1100
    } else {
1101
        return -1;
1102
    }
1103
    if (!dev)
1104
        return -1;
1105

    
1106
done:
1107
    return 0;
1108
}
1109

    
1110
static int usb_device_del(const char *devname)
1111
{
1112
    int bus_num, addr;
1113
    const char *p;
1114

    
1115
    if (strstart(devname, "host:", &p))
1116
        return usb_host_device_close(p);
1117

    
1118
    if (!usb_enabled)
1119
        return -1;
1120

    
1121
    p = strchr(devname, '.');
1122
    if (!p)
1123
        return -1;
1124
    bus_num = strtoul(devname, NULL, 0);
1125
    addr = strtoul(p + 1, NULL, 0);
1126

    
1127
    return usb_device_delete_addr(bus_num, addr);
1128
}
1129

    
1130
static int usb_parse(const char *cmdline)
1131
{
1132
    int r;
1133
    r = usb_device_add(cmdline);
1134
    if (r < 0) {
1135
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1136
    }
1137
    return r;
1138
}
1139

    
1140
void do_usb_add(Monitor *mon, const QDict *qdict)
1141
{
1142
    const char *devname = qdict_get_str(qdict, "devname");
1143
    if (usb_device_add(devname) < 0) {
1144
        error_report("could not add USB device '%s'", devname);
1145
    }
1146
}
1147

    
1148
void do_usb_del(Monitor *mon, const QDict *qdict)
1149
{
1150
    const char *devname = qdict_get_str(qdict, "devname");
1151
    if (usb_device_del(devname) < 0) {
1152
        error_report("could not delete USB device '%s'", devname);
1153
    }
1154
}
1155

    
1156
/***********************************************************/
1157
/* PCMCIA/Cardbus */
1158

    
1159
static struct pcmcia_socket_entry_s {
1160
    PCMCIASocket *socket;
1161
    struct pcmcia_socket_entry_s *next;
1162
} *pcmcia_sockets = 0;
1163

    
1164
void pcmcia_socket_register(PCMCIASocket *socket)
1165
{
1166
    struct pcmcia_socket_entry_s *entry;
1167

    
1168
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1169
    entry->socket = socket;
1170
    entry->next = pcmcia_sockets;
1171
    pcmcia_sockets = entry;
1172
}
1173

    
1174
void pcmcia_socket_unregister(PCMCIASocket *socket)
1175
{
1176
    struct pcmcia_socket_entry_s *entry, **ptr;
1177

    
1178
    ptr = &pcmcia_sockets;
1179
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1180
        if (entry->socket == socket) {
1181
            *ptr = entry->next;
1182
            g_free(entry);
1183
        }
1184
}
1185

    
1186
void pcmcia_info(Monitor *mon)
1187
{
1188
    struct pcmcia_socket_entry_s *iter;
1189

    
1190
    if (!pcmcia_sockets)
1191
        monitor_printf(mon, "No PCMCIA sockets\n");
1192

    
1193
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1194
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1195
                       iter->socket->attached ? iter->socket->card_string :
1196
                       "Empty");
1197
}
1198

    
1199
/***********************************************************/
1200
/* machine registration */
1201

    
1202
static QEMUMachine *first_machine = NULL;
1203
QEMUMachine *current_machine = NULL;
1204

    
1205
int qemu_register_machine(QEMUMachine *m)
1206
{
1207
    QEMUMachine **pm;
1208
    pm = &first_machine;
1209
    while (*pm != NULL)
1210
        pm = &(*pm)->next;
1211
    m->next = NULL;
1212
    *pm = m;
1213
    return 0;
1214
}
1215

    
1216
static QEMUMachine *find_machine(const char *name)
1217
{
1218
    QEMUMachine *m;
1219

    
1220
    for(m = first_machine; m != NULL; m = m->next) {
1221
        if (!strcmp(m->name, name))
1222
            return m;
1223
        if (m->alias && !strcmp(m->alias, name))
1224
            return m;
1225
    }
1226
    return NULL;
1227
}
1228

    
1229
QEMUMachine *find_default_machine(void)
1230
{
1231
    QEMUMachine *m;
1232

    
1233
    for(m = first_machine; m != NULL; m = m->next) {
1234
        if (m->is_default) {
1235
            return m;
1236
        }
1237
    }
1238
    return NULL;
1239
}
1240

    
1241
MachineInfoList *qmp_query_machines(Error **errp)
1242
{
1243
    MachineInfoList *mach_list = NULL;
1244
    QEMUMachine *m;
1245

    
1246
    for (m = first_machine; m; m = m->next) {
1247
        MachineInfoList *entry;
1248
        MachineInfo *info;
1249

    
1250
        info = g_malloc0(sizeof(*info));
1251
        if (m->is_default) {
1252
            info->has_is_default = true;
1253
            info->is_default = true;
1254
        }
1255

    
1256
        if (m->alias) {
1257
            info->has_alias = true;
1258
            info->alias = g_strdup(m->alias);
1259
        }
1260

    
1261
        info->name = g_strdup(m->name);
1262

    
1263
        entry = g_malloc0(sizeof(*entry));
1264
        entry->value = info;
1265
        entry->next = mach_list;
1266
        mach_list = entry;
1267
    }
1268

    
1269
    return mach_list;
1270
}
1271

    
1272
/***********************************************************/
1273
/* main execution loop */
1274

    
1275
static void gui_update(void *opaque)
1276
{
1277
    uint64_t interval = GUI_REFRESH_INTERVAL;
1278
    DisplayState *ds = opaque;
1279
    DisplayChangeListener *dcl = ds->listeners;
1280

    
1281
    dpy_refresh(ds);
1282

    
1283
    while (dcl != NULL) {
1284
        if (dcl->gui_timer_interval &&
1285
            dcl->gui_timer_interval < interval)
1286
            interval = dcl->gui_timer_interval;
1287
        dcl = dcl->next;
1288
    }
1289
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1290
}
1291

    
1292
struct vm_change_state_entry {
1293
    VMChangeStateHandler *cb;
1294
    void *opaque;
1295
    QLIST_ENTRY (vm_change_state_entry) entries;
1296
};
1297

    
1298
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1299

    
1300
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1301
                                                     void *opaque)
1302
{
1303
    VMChangeStateEntry *e;
1304

    
1305
    e = g_malloc0(sizeof (*e));
1306

    
1307
    e->cb = cb;
1308
    e->opaque = opaque;
1309
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1310
    return e;
1311
}
1312

    
1313
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1314
{
1315
    QLIST_REMOVE (e, entries);
1316
    g_free (e);
1317
}
1318

    
1319
void vm_state_notify(int running, RunState state)
1320
{
1321
    VMChangeStateEntry *e;
1322

    
1323
    trace_vm_state_notify(running, state);
1324

    
1325
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1326
        e->cb(e->opaque, running, state);
1327
    }
1328
}
1329

    
1330
void vm_start(void)
1331
{
1332
    if (!runstate_is_running()) {
1333
        cpu_enable_ticks();
1334
        runstate_set(RUN_STATE_RUNNING);
1335
        vm_state_notify(1, RUN_STATE_RUNNING);
1336
        resume_all_vcpus();
1337
        monitor_protocol_event(QEVENT_RESUME, NULL);
1338
    }
1339
}
1340

    
1341
/* reset/shutdown handler */
1342

    
1343
typedef struct QEMUResetEntry {
1344
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1345
    QEMUResetHandler *func;
1346
    void *opaque;
1347
} QEMUResetEntry;
1348

    
1349
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1350
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1351
static int reset_requested;
1352
static int shutdown_requested, shutdown_signal = -1;
1353
static pid_t shutdown_pid;
1354
static int powerdown_requested;
1355
static int debug_requested;
1356
static int suspend_requested;
1357
static int wakeup_requested;
1358
static NotifierList suspend_notifiers =
1359
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1360
static NotifierList wakeup_notifiers =
1361
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1362
static uint32_t wakeup_reason_mask = ~0;
1363
static RunState vmstop_requested = RUN_STATE_MAX;
1364

    
1365
int qemu_shutdown_requested_get(void)
1366
{
1367
    return shutdown_requested;
1368
}
1369

    
1370
int qemu_reset_requested_get(void)
1371
{
1372
    return reset_requested;
1373
}
1374

    
1375
int qemu_shutdown_requested(void)
1376
{
1377
    int r = shutdown_requested;
1378
    shutdown_requested = 0;
1379
    return r;
1380
}
1381

    
1382
void qemu_kill_report(void)
1383
{
1384
    if (!qtest_enabled() && shutdown_signal != -1) {
1385
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1386
        if (shutdown_pid == 0) {
1387
            /* This happens for eg ^C at the terminal, so it's worth
1388
             * avoiding printing an odd message in that case.
1389
             */
1390
            fputc('\n', stderr);
1391
        } else {
1392
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1393
        }
1394
        shutdown_signal = -1;
1395
    }
1396
}
1397

    
1398
int qemu_reset_requested(void)
1399
{
1400
    int r = reset_requested;
1401
    reset_requested = 0;
1402
    return r;
1403
}
1404

    
1405
static int qemu_suspend_requested(void)
1406
{
1407
    int r = suspend_requested;
1408
    suspend_requested = 0;
1409
    return r;
1410
}
1411

    
1412
static int qemu_wakeup_requested(void)
1413
{
1414
    int r = wakeup_requested;
1415
    wakeup_requested = 0;
1416
    return r;
1417
}
1418

    
1419
int qemu_powerdown_requested(void)
1420
{
1421
    int r = powerdown_requested;
1422
    powerdown_requested = 0;
1423
    return r;
1424
}
1425

    
1426
static int qemu_debug_requested(void)
1427
{
1428
    int r = debug_requested;
1429
    debug_requested = 0;
1430
    return r;
1431
}
1432

    
1433
/* We use RUN_STATE_MAX but any invalid value will do */
1434
static bool qemu_vmstop_requested(RunState *r)
1435
{
1436
    if (vmstop_requested < RUN_STATE_MAX) {
1437
        *r = vmstop_requested;
1438
        vmstop_requested = RUN_STATE_MAX;
1439
        return true;
1440
    }
1441

    
1442
    return false;
1443
}
1444

    
1445
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1446
{
1447
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1448

    
1449
    re->func = func;
1450
    re->opaque = opaque;
1451
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1452
}
1453

    
1454
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1455
{
1456
    QEMUResetEntry *re;
1457

    
1458
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1459
        if (re->func == func && re->opaque == opaque) {
1460
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1461
            g_free(re);
1462
            return;
1463
        }
1464
    }
1465
}
1466

    
1467
void qemu_devices_reset(void)
1468
{
1469
    QEMUResetEntry *re, *nre;
1470

    
1471
    /* reset all devices */
1472
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1473
        re->func(re->opaque);
1474
    }
1475
}
1476

    
1477
void qemu_system_reset(bool report)
1478
{
1479
    if (current_machine && current_machine->reset) {
1480
        current_machine->reset();
1481
    } else {
1482
        qemu_devices_reset();
1483
    }
1484
    if (report) {
1485
        monitor_protocol_event(QEVENT_RESET, NULL);
1486
    }
1487
    cpu_synchronize_all_post_reset();
1488
}
1489

    
1490
void qemu_system_reset_request(void)
1491
{
1492
    if (no_reboot) {
1493
        shutdown_requested = 1;
1494
    } else {
1495
        reset_requested = 1;
1496
    }
1497
    cpu_stop_current();
1498
    qemu_notify_event();
1499
}
1500

    
1501
static void qemu_system_suspend(void)
1502
{
1503
    pause_all_vcpus();
1504
    notifier_list_notify(&suspend_notifiers, NULL);
1505
    runstate_set(RUN_STATE_SUSPENDED);
1506
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1507
}
1508

    
1509
void qemu_system_suspend_request(void)
1510
{
1511
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1512
        return;
1513
    }
1514
    suspend_requested = 1;
1515
    cpu_stop_current();
1516
    qemu_notify_event();
1517
}
1518

    
1519
void qemu_register_suspend_notifier(Notifier *notifier)
1520
{
1521
    notifier_list_add(&suspend_notifiers, notifier);
1522
}
1523

    
1524
void qemu_system_wakeup_request(WakeupReason reason)
1525
{
1526
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1527
        return;
1528
    }
1529
    if (!(wakeup_reason_mask & (1 << reason))) {
1530
        return;
1531
    }
1532
    runstate_set(RUN_STATE_RUNNING);
1533
    notifier_list_notify(&wakeup_notifiers, &reason);
1534
    wakeup_requested = 1;
1535
    qemu_notify_event();
1536
}
1537

    
1538
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1539
{
1540
    if (enabled) {
1541
        wakeup_reason_mask |= (1 << reason);
1542
    } else {
1543
        wakeup_reason_mask &= ~(1 << reason);
1544
    }
1545
}
1546

    
1547
void qemu_register_wakeup_notifier(Notifier *notifier)
1548
{
1549
    notifier_list_add(&wakeup_notifiers, notifier);
1550
}
1551

    
1552
void qemu_system_killed(int signal, pid_t pid)
1553
{
1554
    shutdown_signal = signal;
1555
    shutdown_pid = pid;
1556
    no_shutdown = 0;
1557
    qemu_system_shutdown_request();
1558
}
1559

    
1560
void qemu_system_shutdown_request(void)
1561
{
1562
    shutdown_requested = 1;
1563
    qemu_notify_event();
1564
}
1565

    
1566
void qemu_system_powerdown_request(void)
1567
{
1568
    powerdown_requested = 1;
1569
    qemu_notify_event();
1570
}
1571

    
1572
void qemu_system_debug_request(void)
1573
{
1574
    debug_requested = 1;
1575
    qemu_notify_event();
1576
}
1577

    
1578
void qemu_system_vmstop_request(RunState state)
1579
{
1580
    vmstop_requested = state;
1581
    qemu_notify_event();
1582
}
1583

    
1584
qemu_irq qemu_system_powerdown;
1585

    
1586
static bool main_loop_should_exit(void)
1587
{
1588
    RunState r;
1589
    if (qemu_debug_requested()) {
1590
        vm_stop(RUN_STATE_DEBUG);
1591
    }
1592
    if (qemu_suspend_requested()) {
1593
        qemu_system_suspend();
1594
    }
1595
    if (qemu_shutdown_requested()) {
1596
        qemu_kill_report();
1597
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1598
        if (no_shutdown) {
1599
            vm_stop(RUN_STATE_SHUTDOWN);
1600
        } else {
1601
            return true;
1602
        }
1603
    }
1604
    if (qemu_reset_requested()) {
1605
        pause_all_vcpus();
1606
        cpu_synchronize_all_states();
1607
        qemu_system_reset(VMRESET_REPORT);
1608
        resume_all_vcpus();
1609
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1610
            runstate_check(RUN_STATE_SHUTDOWN)) {
1611
            runstate_set(RUN_STATE_PAUSED);
1612
        }
1613
    }
1614
    if (qemu_wakeup_requested()) {
1615
        pause_all_vcpus();
1616
        cpu_synchronize_all_states();
1617
        qemu_system_reset(VMRESET_SILENT);
1618
        resume_all_vcpus();
1619
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1620
    }
1621
    if (qemu_powerdown_requested()) {
1622
        monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1623
        qemu_irq_raise(qemu_system_powerdown);
1624
    }
1625
    if (qemu_vmstop_requested(&r)) {
1626
        vm_stop(r);
1627
    }
1628
    return false;
1629
}
1630

    
1631
static void main_loop(void)
1632
{
1633
    bool nonblocking;
1634
    int last_io = 0;
1635
#ifdef CONFIG_PROFILER
1636
    int64_t ti;
1637
#endif
1638
    do {
1639
        nonblocking = !kvm_enabled() && last_io > 0;
1640
#ifdef CONFIG_PROFILER
1641
        ti = profile_getclock();
1642
#endif
1643
        last_io = main_loop_wait(nonblocking);
1644
#ifdef CONFIG_PROFILER
1645
        dev_time += profile_getclock() - ti;
1646
#endif
1647
    } while (!main_loop_should_exit());
1648
}
1649

    
1650
static void version(void)
1651
{
1652
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1653
}
1654

    
1655
static void help(int exitcode)
1656
{
1657
    version();
1658
    printf("usage: %s [options] [disk_image]\n\n"
1659
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1660
            error_get_progname());
1661

    
1662
#define QEMU_OPTIONS_GENERATE_HELP
1663
#include "qemu-options-wrapper.h"
1664

    
1665
    printf("\nDuring emulation, the following keys are useful:\n"
1666
           "ctrl-alt-f      toggle full screen\n"
1667
           "ctrl-alt-n      switch to virtual console 'n'\n"
1668
           "ctrl-alt        toggle mouse and keyboard grab\n"
1669
           "\n"
1670
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1671

    
1672
    exit(exitcode);
1673
}
1674

    
1675
#define HAS_ARG 0x0001
1676

    
1677
typedef struct QEMUOption {
1678
    const char *name;
1679
    int flags;
1680
    int index;
1681
    uint32_t arch_mask;
1682
} QEMUOption;
1683

    
1684
static const QEMUOption qemu_options[] = {
1685
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1686
#define QEMU_OPTIONS_GENERATE_OPTIONS
1687
#include "qemu-options-wrapper.h"
1688
    { NULL },
1689
};
1690

    
1691
static bool vga_available(void)
1692
{
1693
    return qdev_exists("VGA") || qdev_exists("isa-vga");
1694
}
1695

    
1696
static bool cirrus_vga_available(void)
1697
{
1698
    return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1699
}
1700

    
1701
static bool vmware_vga_available(void)
1702
{
1703
    return qdev_exists("vmware-svga");
1704
}
1705

    
1706
static void select_vgahw (const char *p)
1707
{
1708
    const char *opts;
1709

    
1710
    vga_interface_type = VGA_NONE;
1711
    if (strstart(p, "std", &opts)) {
1712
        if (vga_available()) {
1713
            vga_interface_type = VGA_STD;
1714
        } else {
1715
            fprintf(stderr, "Error: standard VGA not available\n");
1716
            exit(0);
1717
        }
1718
    } else if (strstart(p, "cirrus", &opts)) {
1719
        if (cirrus_vga_available()) {
1720
            vga_interface_type = VGA_CIRRUS;
1721
        } else {
1722
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1723
            exit(0);
1724
        }
1725
    } else if (strstart(p, "vmware", &opts)) {
1726
        if (vmware_vga_available()) {
1727
            vga_interface_type = VGA_VMWARE;
1728
        } else {
1729
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1730
            exit(0);
1731
        }
1732
    } else if (strstart(p, "xenfb", &opts)) {
1733
        vga_interface_type = VGA_XENFB;
1734
    } else if (strstart(p, "qxl", &opts)) {
1735
        vga_interface_type = VGA_QXL;
1736
    } else if (!strstart(p, "none", &opts)) {
1737
    invalid_vga:
1738
        fprintf(stderr, "Unknown vga type: %s\n", p);
1739
        exit(1);
1740
    }
1741
    while (*opts) {
1742
        const char *nextopt;
1743

    
1744
        if (strstart(opts, ",retrace=", &nextopt)) {
1745
            opts = nextopt;
1746
            if (strstart(opts, "dumb", &nextopt))
1747
                vga_retrace_method = VGA_RETRACE_DUMB;
1748
            else if (strstart(opts, "precise", &nextopt))
1749
                vga_retrace_method = VGA_RETRACE_PRECISE;
1750
            else goto invalid_vga;
1751
        } else goto invalid_vga;
1752
        opts = nextopt;
1753
    }
1754
}
1755

    
1756
static DisplayType select_display(const char *p)
1757
{
1758
    const char *opts;
1759
    DisplayType display = DT_DEFAULT;
1760

    
1761
    if (strstart(p, "sdl", &opts)) {
1762
#ifdef CONFIG_SDL
1763
        display = DT_SDL;
1764
        while (*opts) {
1765
            const char *nextopt;
1766

    
1767
            if (strstart(opts, ",frame=", &nextopt)) {
1768
                opts = nextopt;
1769
                if (strstart(opts, "on", &nextopt)) {
1770
                    no_frame = 0;
1771
                } else if (strstart(opts, "off", &nextopt)) {
1772
                    no_frame = 1;
1773
                } else {
1774
                    goto invalid_sdl_args;
1775
                }
1776
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1777
                opts = nextopt;
1778
                if (strstart(opts, "on", &nextopt)) {
1779
                    alt_grab = 1;
1780
                } else if (strstart(opts, "off", &nextopt)) {
1781
                    alt_grab = 0;
1782
                } else {
1783
                    goto invalid_sdl_args;
1784
                }
1785
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1786
                opts = nextopt;
1787
                if (strstart(opts, "on", &nextopt)) {
1788
                    ctrl_grab = 1;
1789
                } else if (strstart(opts, "off", &nextopt)) {
1790
                    ctrl_grab = 0;
1791
                } else {
1792
                    goto invalid_sdl_args;
1793
                }
1794
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1795
                opts = nextopt;
1796
                if (strstart(opts, "on", &nextopt)) {
1797
                    no_quit = 0;
1798
                } else if (strstart(opts, "off", &nextopt)) {
1799
                    no_quit = 1;
1800
                } else {
1801
                    goto invalid_sdl_args;
1802
                }
1803
            } else {
1804
            invalid_sdl_args:
1805
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1806
                exit(1);
1807
            }
1808
            opts = nextopt;
1809
        }
1810
#else
1811
        fprintf(stderr, "SDL support is disabled\n");
1812
        exit(1);
1813
#endif
1814
    } else if (strstart(p, "vnc", &opts)) {
1815
#ifdef CONFIG_VNC
1816
        display_remote++;
1817

    
1818
        if (*opts) {
1819
            const char *nextopt;
1820

    
1821
            if (strstart(opts, "=", &nextopt)) {
1822
                vnc_display = nextopt;
1823
            }
1824
        }
1825
        if (!vnc_display) {
1826
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1827
            exit(1);
1828
        }
1829
#else
1830
        fprintf(stderr, "VNC support is disabled\n");
1831
        exit(1);
1832
#endif
1833
    } else if (strstart(p, "curses", &opts)) {
1834
#ifdef CONFIG_CURSES
1835
        display = DT_CURSES;
1836
#else
1837
        fprintf(stderr, "Curses support is disabled\n");
1838
        exit(1);
1839
#endif
1840
    } else if (strstart(p, "none", &opts)) {
1841
        display = DT_NONE;
1842
    } else {
1843
        fprintf(stderr, "Unknown display type: %s\n", p);
1844
        exit(1);
1845
    }
1846

    
1847
    return display;
1848
}
1849

    
1850
static int balloon_parse(const char *arg)
1851
{
1852
    QemuOpts *opts;
1853

    
1854
    if (strcmp(arg, "none") == 0) {
1855
        return 0;
1856
    }
1857

    
1858
    if (!strncmp(arg, "virtio", 6)) {
1859
        if (arg[6] == ',') {
1860
            /* have params -> parse them */
1861
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1862
            if (!opts)
1863
                return  -1;
1864
        } else {
1865
            /* create empty opts */
1866
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1867
        }
1868
        qemu_opt_set(opts, "driver", "virtio-balloon");
1869
        return 0;
1870
    }
1871

    
1872
    return -1;
1873
}
1874

    
1875
char *qemu_find_file(int type, const char *name)
1876
{
1877
    int len;
1878
    const char *subdir;
1879
    char *buf;
1880

    
1881
    /* Try the name as a straight path first */
1882
    if (access(name, R_OK) == 0) {
1883
        return g_strdup(name);
1884
    }
1885
    switch (type) {
1886
    case QEMU_FILE_TYPE_BIOS:
1887
        subdir = "";
1888
        break;
1889
    case QEMU_FILE_TYPE_KEYMAP:
1890
        subdir = "keymaps/";
1891
        break;
1892
    default:
1893
        abort();
1894
    }
1895
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1896
    buf = g_malloc0(len);
1897
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1898
    if (access(buf, R_OK)) {
1899
        g_free(buf);
1900
        return NULL;
1901
    }
1902
    return buf;
1903
}
1904

    
1905
static int device_help_func(QemuOpts *opts, void *opaque)
1906
{
1907
    return qdev_device_help(opts);
1908
}
1909

    
1910
static int device_init_func(QemuOpts *opts, void *opaque)
1911
{
1912
    DeviceState *dev;
1913

    
1914
    dev = qdev_device_add(opts);
1915
    if (!dev)
1916
        return -1;
1917
    return 0;
1918
}
1919

    
1920
static int chardev_init_func(QemuOpts *opts, void *opaque)
1921
{
1922
    CharDriverState *chr;
1923

    
1924
    chr = qemu_chr_new_from_opts(opts, NULL);
1925
    if (!chr)
1926
        return -1;
1927
    return 0;
1928
}
1929

    
1930
#ifdef CONFIG_VIRTFS
1931
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1932
{
1933
    int ret;
1934
    ret = qemu_fsdev_add(opts);
1935

    
1936
    return ret;
1937
}
1938
#endif
1939

    
1940
static int mon_init_func(QemuOpts *opts, void *opaque)
1941
{
1942
    CharDriverState *chr;
1943
    const char *chardev;
1944
    const char *mode;
1945
    int flags;
1946

    
1947
    mode = qemu_opt_get(opts, "mode");
1948
    if (mode == NULL) {
1949
        mode = "readline";
1950
    }
1951
    if (strcmp(mode, "readline") == 0) {
1952
        flags = MONITOR_USE_READLINE;
1953
    } else if (strcmp(mode, "control") == 0) {
1954
        flags = MONITOR_USE_CONTROL;
1955
    } else {
1956
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1957
        exit(1);
1958
    }
1959

    
1960
    if (qemu_opt_get_bool(opts, "pretty", 0))
1961
        flags |= MONITOR_USE_PRETTY;
1962

    
1963
    if (qemu_opt_get_bool(opts, "default", 0))
1964
        flags |= MONITOR_IS_DEFAULT;
1965

    
1966
    chardev = qemu_opt_get(opts, "chardev");
1967
    chr = qemu_chr_find(chardev);
1968
    if (chr == NULL) {
1969
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1970
        exit(1);
1971
    }
1972

    
1973
    monitor_init(chr, flags);
1974
    return 0;
1975
}
1976

    
1977
static void monitor_parse(const char *optarg, const char *mode)
1978
{
1979
    static int monitor_device_index = 0;
1980
    QemuOpts *opts;
1981
    const char *p;
1982
    char label[32];
1983
    int def = 0;
1984

    
1985
    if (strstart(optarg, "chardev:", &p)) {
1986
        snprintf(label, sizeof(label), "%s", p);
1987
    } else {
1988
        snprintf(label, sizeof(label), "compat_monitor%d",
1989
                 monitor_device_index);
1990
        if (monitor_device_index == 0) {
1991
            def = 1;
1992
        }
1993
        opts = qemu_chr_parse_compat(label, optarg);
1994
        if (!opts) {
1995
            fprintf(stderr, "parse error: %s\n", optarg);
1996
            exit(1);
1997
        }
1998
    }
1999

    
2000
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2001
    if (!opts) {
2002
        fprintf(stderr, "duplicate chardev: %s\n", label);
2003
        exit(1);
2004
    }
2005
    qemu_opt_set(opts, "mode", mode);
2006
    qemu_opt_set(opts, "chardev", label);
2007
    if (def)
2008
        qemu_opt_set(opts, "default", "on");
2009
    monitor_device_index++;
2010
}
2011

    
2012
struct device_config {
2013
    enum {
2014
        DEV_USB,       /* -usbdevice     */
2015
        DEV_BT,        /* -bt            */
2016
        DEV_SERIAL,    /* -serial        */
2017
        DEV_PARALLEL,  /* -parallel      */
2018
        DEV_VIRTCON,   /* -virtioconsole */
2019
        DEV_DEBUGCON,  /* -debugcon */
2020
        DEV_GDB,       /* -gdb, -s */
2021
    } type;
2022
    const char *cmdline;
2023
    Location loc;
2024
    QTAILQ_ENTRY(device_config) next;
2025
};
2026
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2027

    
2028
static void add_device_config(int type, const char *cmdline)
2029
{
2030
    struct device_config *conf;
2031

    
2032
    conf = g_malloc0(sizeof(*conf));
2033
    conf->type = type;
2034
    conf->cmdline = cmdline;
2035
    loc_save(&conf->loc);
2036
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2037
}
2038

    
2039
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2040
{
2041
    struct device_config *conf;
2042
    int rc;
2043

    
2044
    QTAILQ_FOREACH(conf, &device_configs, next) {
2045
        if (conf->type != type)
2046
            continue;
2047
        loc_push_restore(&conf->loc);
2048
        rc = func(conf->cmdline);
2049
        loc_pop(&conf->loc);
2050
        if (0 != rc)
2051
            return rc;
2052
    }
2053
    return 0;
2054
}
2055

    
2056
static int serial_parse(const char *devname)
2057
{
2058
    static int index = 0;
2059
    char label[32];
2060

    
2061
    if (strcmp(devname, "none") == 0)
2062
        return 0;
2063
    if (index == MAX_SERIAL_PORTS) {
2064
        fprintf(stderr, "qemu: too many serial ports\n");
2065
        exit(1);
2066
    }
2067
    snprintf(label, sizeof(label), "serial%d", index);
2068
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2069
    if (!serial_hds[index]) {
2070
        fprintf(stderr, "qemu: could not connect serial device"
2071
                " to character backend '%s'\n", devname);
2072
        return -1;
2073
    }
2074
    index++;
2075
    return 0;
2076
}
2077

    
2078
static int parallel_parse(const char *devname)
2079
{
2080
    static int index = 0;
2081
    char label[32];
2082

    
2083
    if (strcmp(devname, "none") == 0)
2084
        return 0;
2085
    if (index == MAX_PARALLEL_PORTS) {
2086
        fprintf(stderr, "qemu: too many parallel ports\n");
2087
        exit(1);
2088
    }
2089
    snprintf(label, sizeof(label), "parallel%d", index);
2090
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2091
    if (!parallel_hds[index]) {
2092
        fprintf(stderr, "qemu: could not connect parallel device"
2093
                " to character backend '%s'\n", devname);
2094
        return -1;
2095
    }
2096
    index++;
2097
    return 0;
2098
}
2099

    
2100
static int virtcon_parse(const char *devname)
2101
{
2102
    QemuOptsList *device = qemu_find_opts("device");
2103
    static int index = 0;
2104
    char label[32];
2105
    QemuOpts *bus_opts, *dev_opts;
2106

    
2107
    if (strcmp(devname, "none") == 0)
2108
        return 0;
2109
    if (index == MAX_VIRTIO_CONSOLES) {
2110
        fprintf(stderr, "qemu: too many virtio consoles\n");
2111
        exit(1);
2112
    }
2113

    
2114
    bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2115
    if (arch_type == QEMU_ARCH_S390X) {
2116
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2117
    } else {
2118
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2119
    } 
2120

    
2121
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2122
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2123

    
2124
    snprintf(label, sizeof(label), "virtcon%d", index);
2125
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2126
    if (!virtcon_hds[index]) {
2127
        fprintf(stderr, "qemu: could not connect virtio console"
2128
                " to character backend '%s'\n", devname);
2129
        return -1;
2130
    }
2131
    qemu_opt_set(dev_opts, "chardev", label);
2132

    
2133
    index++;
2134
    return 0;
2135
}
2136

    
2137
static int debugcon_parse(const char *devname)
2138
{   
2139
    QemuOpts *opts;
2140

    
2141
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2142
        exit(1);
2143
    }
2144
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2145
    if (!opts) {
2146
        fprintf(stderr, "qemu: already have a debugcon device\n");
2147
        exit(1);
2148
    }
2149
    qemu_opt_set(opts, "driver", "isa-debugcon");
2150
    qemu_opt_set(opts, "chardev", "debugcon");
2151
    return 0;
2152
}
2153

    
2154
static QEMUMachine *machine_parse(const char *name)
2155
{
2156
    QEMUMachine *m, *machine = NULL;
2157

    
2158
    if (name) {
2159
        machine = find_machine(name);
2160
    }
2161
    if (machine) {
2162
        return machine;
2163
    }
2164
    printf("Supported machines are:\n");
2165
    for (m = first_machine; m != NULL; m = m->next) {
2166
        if (m->alias) {
2167
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2168
        }
2169
        printf("%-20s %s%s\n", m->name, m->desc,
2170
               m->is_default ? " (default)" : "");
2171
    }
2172
    exit(!name || !is_help_option(name));
2173
}
2174

    
2175
static int tcg_init(void)
2176
{
2177
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2178
    return 0;
2179
}
2180

    
2181
static struct {
2182
    const char *opt_name;
2183
    const char *name;
2184
    int (*available)(void);
2185
    int (*init)(void);
2186
    int *allowed;
2187
} accel_list[] = {
2188
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2189
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2190
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2191
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2192
};
2193

    
2194
static int configure_accelerator(void)
2195
{
2196
    const char *p = NULL;
2197
    char buf[10];
2198
    int i, ret;
2199
    bool accel_initialised = 0;
2200
    bool init_failed = 0;
2201

    
2202
    QemuOptsList *list = qemu_find_opts("machine");
2203
    if (!QTAILQ_EMPTY(&list->head)) {
2204
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2205
    }
2206

    
2207
    if (p == NULL) {
2208
        /* Use the default "accelerator", tcg */
2209
        p = "tcg";
2210
    }
2211

    
2212
    while (!accel_initialised && *p != '\0') {
2213
        if (*p == ':') {
2214
            p++;
2215
        }
2216
        p = get_opt_name(buf, sizeof (buf), p, ':');
2217
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2218
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2219
                *(accel_list[i].allowed) = 1;
2220
                ret = accel_list[i].init();
2221
                if (ret < 0) {
2222
                    init_failed = 1;
2223
                    if (!accel_list[i].available()) {
2224
                        printf("%s not supported for this target\n",
2225
                               accel_list[i].name);
2226
                    } else {
2227
                        fprintf(stderr, "failed to initialize %s: %s\n",
2228
                                accel_list[i].name,
2229
                                strerror(-ret));
2230
                    }
2231
                    *(accel_list[i].allowed) = 0;
2232
                } else {
2233
                    accel_initialised = 1;
2234
                }
2235
                break;
2236
            }
2237
        }
2238
        if (i == ARRAY_SIZE(accel_list)) {
2239
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2240
        }
2241
    }
2242

    
2243
    if (!accel_initialised) {
2244
        fprintf(stderr, "No accelerator found!\n");
2245
        exit(1);
2246
    }
2247

    
2248
    if (init_failed) {
2249
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2250
    }
2251

    
2252
    return !accel_initialised;
2253
}
2254

    
2255
void qemu_add_exit_notifier(Notifier *notify)
2256
{
2257
    notifier_list_add(&exit_notifiers, notify);
2258
}
2259

    
2260
void qemu_remove_exit_notifier(Notifier *notify)
2261
{
2262
    notifier_remove(notify);
2263
}
2264

    
2265
static void qemu_run_exit_notifiers(void)
2266
{
2267
    notifier_list_notify(&exit_notifiers, NULL);
2268
}
2269

    
2270
void qemu_add_machine_init_done_notifier(Notifier *notify)
2271
{
2272
    notifier_list_add(&machine_init_done_notifiers, notify);
2273
}
2274

    
2275
static void qemu_run_machine_init_done_notifiers(void)
2276
{
2277
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2278
}
2279

    
2280
static const QEMUOption *lookup_opt(int argc, char **argv,
2281
                                    const char **poptarg, int *poptind)
2282
{
2283
    const QEMUOption *popt;
2284
    int optind = *poptind;
2285
    char *r = argv[optind];
2286
    const char *optarg;
2287

    
2288
    loc_set_cmdline(argv, optind, 1);
2289
    optind++;
2290
    /* Treat --foo the same as -foo.  */
2291
    if (r[1] == '-')
2292
        r++;
2293
    popt = qemu_options;
2294
    for(;;) {
2295
        if (!popt->name) {
2296
            error_report("invalid option");
2297
            exit(1);
2298
        }
2299
        if (!strcmp(popt->name, r + 1))
2300
            break;
2301
        popt++;
2302
    }
2303
    if (popt->flags & HAS_ARG) {
2304
        if (optind >= argc) {
2305
            error_report("requires an argument");
2306
            exit(1);
2307
        }
2308
        optarg = argv[optind++];
2309
        loc_set_cmdline(argv, optind - 2, 2);
2310
    } else {
2311
        optarg = NULL;
2312
    }
2313

    
2314
    *poptarg = optarg;
2315
    *poptind = optind;
2316

    
2317
    return popt;
2318
}
2319

    
2320
static gpointer malloc_and_trace(gsize n_bytes)
2321
{
2322
    void *ptr = malloc(n_bytes);
2323
    trace_g_malloc(n_bytes, ptr);
2324
    return ptr;
2325
}
2326

    
2327
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2328
{
2329
    void *ptr = realloc(mem, n_bytes);
2330
    trace_g_realloc(mem, n_bytes, ptr);
2331
    return ptr;
2332
}
2333

    
2334
static void free_and_trace(gpointer mem)
2335
{
2336
    trace_g_free(mem);
2337
    free(mem);
2338
}
2339

    
2340
int qemu_init_main_loop(void)
2341
{
2342
    return main_loop_init();
2343
}
2344

    
2345
int main(int argc, char **argv, char **envp)
2346
{
2347
    int i;
2348
    int snapshot, linux_boot;
2349
    const char *icount_option = NULL;
2350
    const char *initrd_filename;
2351
    const char *kernel_filename, *kernel_cmdline;
2352
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2353
    DisplayState *ds;
2354
    DisplayChangeListener *dcl;
2355
    int cyls, heads, secs, translation;
2356
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2357
    QemuOptsList *olist;
2358
    int optind;
2359
    const char *optarg;
2360
    const char *loadvm = NULL;
2361
    QEMUMachine *machine;
2362
    const char *cpu_model;
2363
    const char *vga_model = "none";
2364
    const char *pid_file = NULL;
2365
    const char *incoming = NULL;
2366
#ifdef CONFIG_VNC
2367
    int show_vnc_port = 0;
2368
#endif
2369
    bool defconfig = true;
2370
    bool userconfig = true;
2371
    const char *log_mask = NULL;
2372
    const char *log_file = NULL;
2373
    GMemVTable mem_trace = {
2374
        .malloc = malloc_and_trace,
2375
        .realloc = realloc_and_trace,
2376
        .free = free_and_trace,
2377
    };
2378
    const char *trace_events = NULL;
2379
    const char *trace_file = NULL;
2380

    
2381
    atexit(qemu_run_exit_notifiers);
2382
    error_set_progname(argv[0]);
2383

    
2384
    g_mem_set_vtable(&mem_trace);
2385
    if (!g_thread_supported()) {
2386
#if !GLIB_CHECK_VERSION(2, 31, 0)
2387
        g_thread_init(NULL);
2388
#else
2389
        fprintf(stderr, "glib threading failed to initialize.\n");
2390
        exit(1);
2391
#endif
2392
    }
2393

    
2394
    module_call_init(MODULE_INIT_QOM);
2395

    
2396
    runstate_init();
2397

    
2398
    init_clocks();
2399
    rtc_clock = host_clock;
2400

    
2401
    qemu_cache_utils_init(envp);
2402

    
2403
    QLIST_INIT (&vm_change_state_head);
2404
    os_setup_early_signal_handling();
2405

    
2406
    module_call_init(MODULE_INIT_MACHINE);
2407
    machine = find_default_machine();
2408
    cpu_model = NULL;
2409
    ram_size = 0;
2410
    snapshot = 0;
2411
    cyls = heads = secs = 0;
2412
    translation = BIOS_ATA_TRANSLATION_AUTO;
2413

    
2414
    for (i = 0; i < MAX_NODES; i++) {
2415
        node_mem[i] = 0;
2416
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2417
    }
2418

    
2419
    nb_numa_nodes = 0;
2420
    nb_nics = 0;
2421

    
2422
    autostart= 1;
2423

    
2424
    /* first pass of option parsing */
2425
    optind = 1;
2426
    while (optind < argc) {
2427
        if (argv[optind][0] != '-') {
2428
            /* disk image */
2429
            optind++;
2430
            continue;
2431
        } else {
2432
            const QEMUOption *popt;
2433

    
2434
            popt = lookup_opt(argc, argv, &optarg, &optind);
2435
            switch (popt->index) {
2436
            case QEMU_OPTION_nodefconfig:
2437
                defconfig = false;
2438
                break;
2439
            case QEMU_OPTION_nouserconfig:
2440
                userconfig = false;
2441
                break;
2442
            }
2443
        }
2444
    }
2445

    
2446
    if (defconfig) {
2447
        int ret;
2448
        ret = qemu_read_default_config_files(userconfig);
2449
        if (ret < 0) {
2450
            exit(1);
2451
        }
2452
    }
2453

    
2454
    /* second pass of option parsing */
2455
    optind = 1;
2456
    for(;;) {
2457
        if (optind >= argc)
2458
            break;
2459
        if (argv[optind][0] != '-') {
2460
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2461
        } else {
2462
            const QEMUOption *popt;
2463

    
2464
            popt = lookup_opt(argc, argv, &optarg, &optind);
2465
            if (!(popt->arch_mask & arch_type)) {
2466
                printf("Option %s not supported for this target\n", popt->name);
2467
                exit(1);
2468
            }
2469
            switch(popt->index) {
2470
            case QEMU_OPTION_M:
2471
                machine = machine_parse(optarg);
2472
                break;
2473
            case QEMU_OPTION_cpu:
2474
                /* hw initialization will check this */
2475
                cpu_model = optarg;
2476
                break;
2477
            case QEMU_OPTION_hda:
2478
                {
2479
                    char buf[256];
2480
                    if (cyls == 0)
2481
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2482
                    else
2483
                        snprintf(buf, sizeof(buf),
2484
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2485
                                 HD_OPTS , cyls, heads, secs,
2486
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2487
                                 ",trans=lba" :
2488
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2489
                                 ",trans=none" : "");
2490
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2491
                    break;
2492
                }
2493
            case QEMU_OPTION_hdb:
2494
            case QEMU_OPTION_hdc:
2495
            case QEMU_OPTION_hdd:
2496
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2497
                          HD_OPTS);
2498
                break;
2499
            case QEMU_OPTION_drive:
2500
                if (drive_def(optarg) == NULL) {
2501
                    exit(1);
2502
                }
2503
                break;
2504
            case QEMU_OPTION_set:
2505
                if (qemu_set_option(optarg) != 0)
2506
                    exit(1);
2507
                break;
2508
            case QEMU_OPTION_global:
2509
                if (qemu_global_option(optarg) != 0)
2510
                    exit(1);
2511
                break;
2512
            case QEMU_OPTION_mtdblock:
2513
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2514
                break;
2515
            case QEMU_OPTION_sd:
2516
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2517
                break;
2518
            case QEMU_OPTION_pflash:
2519
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2520
                break;
2521
            case QEMU_OPTION_snapshot:
2522
                snapshot = 1;
2523
                break;
2524
            case QEMU_OPTION_hdachs:
2525
                {
2526
                    const char *p;
2527
                    p = optarg;
2528
                    cyls = strtol(p, (char **)&p, 0);
2529
                    if (cyls < 1 || cyls > 16383)
2530
                        goto chs_fail;
2531
                    if (*p != ',')
2532
                        goto chs_fail;
2533
                    p++;
2534
                    heads = strtol(p, (char **)&p, 0);
2535
                    if (heads < 1 || heads > 16)
2536
                        goto chs_fail;
2537
                    if (*p != ',')
2538
                        goto chs_fail;
2539
                    p++;
2540
                    secs = strtol(p, (char **)&p, 0);
2541
                    if (secs < 1 || secs > 63)
2542
                        goto chs_fail;
2543
                    if (*p == ',') {
2544
                        p++;
2545
                        if (!strcmp(p, "none"))
2546
                            translation = BIOS_ATA_TRANSLATION_NONE;
2547
                        else if (!strcmp(p, "lba"))
2548
                            translation = BIOS_ATA_TRANSLATION_LBA;
2549
                        else if (!strcmp(p, "auto"))
2550
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2551
                        else
2552
                            goto chs_fail;
2553
                    } else if (*p != '\0') {
2554
                    chs_fail:
2555
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2556
                        exit(1);
2557
                    }
2558
                    if (hda_opts != NULL) {
2559
                        char num[16];
2560
                        snprintf(num, sizeof(num), "%d", cyls);
2561
                        qemu_opt_set(hda_opts, "cyls", num);
2562
                        snprintf(num, sizeof(num), "%d", heads);
2563
                        qemu_opt_set(hda_opts, "heads", num);
2564
                        snprintf(num, sizeof(num), "%d", secs);
2565
                        qemu_opt_set(hda_opts, "secs", num);
2566
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2567
                            qemu_opt_set(hda_opts, "trans", "lba");
2568
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2569
                            qemu_opt_set(hda_opts, "trans", "none");
2570
                    }
2571
                }
2572
                break;
2573
            case QEMU_OPTION_numa:
2574
                if (nb_numa_nodes >= MAX_NODES) {
2575
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2576
                    exit(1);
2577
                }
2578
                numa_add(optarg);
2579
                break;
2580
            case QEMU_OPTION_display:
2581
                display_type = select_display(optarg);
2582
                break;
2583
            case QEMU_OPTION_nographic:
2584
                display_type = DT_NOGRAPHIC;
2585
                break;
2586
            case QEMU_OPTION_curses:
2587
#ifdef CONFIG_CURSES
2588
                display_type = DT_CURSES;
2589
#else
2590
                fprintf(stderr, "Curses support is disabled\n");
2591
                exit(1);
2592
#endif
2593
                break;
2594
            case QEMU_OPTION_portrait:
2595
                graphic_rotate = 90;
2596
                break;
2597
            case QEMU_OPTION_rotate:
2598
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2599
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2600
                    graphic_rotate != 180 && graphic_rotate != 270) {
2601
                    fprintf(stderr,
2602
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2603
                    exit(1);
2604
                }
2605
                break;
2606
            case QEMU_OPTION_kernel:
2607
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2608
                break;
2609
            case QEMU_OPTION_initrd:
2610
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2611
                break;
2612
            case QEMU_OPTION_append:
2613
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2614
                break;
2615
            case QEMU_OPTION_dtb:
2616
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2617
                break;
2618
            case QEMU_OPTION_cdrom:
2619
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2620
                break;
2621
            case QEMU_OPTION_boot:
2622
                {
2623
                    static const char * const params[] = {
2624
                        "order", "once", "menu",
2625
                        "splash", "splash-time", NULL
2626
                    };
2627
                    char buf[sizeof(boot_devices)];
2628
                    char *standard_boot_devices;
2629
                    int legacy = 0;
2630

    
2631
                    if (!strchr(optarg, '=')) {
2632
                        legacy = 1;
2633
                        pstrcpy(buf, sizeof(buf), optarg);
2634
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2635
                        fprintf(stderr,
2636
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2637
                                buf, optarg);
2638
                        exit(1);
2639
                    }
2640

    
2641
                    if (legacy ||
2642
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2643
                        validate_bootdevices(buf);
2644
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2645
                    }
2646
                    if (!legacy) {
2647
                        if (get_param_value(buf, sizeof(buf),
2648
                                            "once", optarg)) {
2649
                            validate_bootdevices(buf);
2650
                            standard_boot_devices = g_strdup(boot_devices);
2651
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2652
                            qemu_register_reset(restore_boot_devices,
2653
                                                standard_boot_devices);
2654
                        }
2655
                        if (get_param_value(buf, sizeof(buf),
2656
                                            "menu", optarg)) {
2657
                            if (!strcmp(buf, "on")) {
2658
                                boot_menu = 1;
2659
                            } else if (!strcmp(buf, "off")) {
2660
                                boot_menu = 0;
2661
                            } else {
2662
                                fprintf(stderr,
2663
                                        "qemu: invalid option value '%s'\n",
2664
                                        buf);
2665
                                exit(1);
2666
                            }
2667
                        }
2668
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2669
                                        optarg, 0);
2670
                    }
2671
                }
2672
                break;
2673
            case QEMU_OPTION_fda:
2674
            case QEMU_OPTION_fdb:
2675
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2676
                          optarg, FD_OPTS);
2677
                break;
2678
            case QEMU_OPTION_no_fd_bootchk:
2679
                fd_bootchk = 0;
2680
                break;
2681
            case QEMU_OPTION_netdev:
2682
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2683
                    exit(1);
2684
                }
2685
                break;
2686
            case QEMU_OPTION_net:
2687
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2688
                    exit(1);
2689
                }
2690
                break;
2691
#ifdef CONFIG_LIBISCSI
2692
            case QEMU_OPTION_iscsi:
2693
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2694
                if (!opts) {
2695
                    exit(1);
2696
                }
2697
                break;
2698
#endif
2699
#ifdef CONFIG_SLIRP
2700
            case QEMU_OPTION_tftp:
2701
                legacy_tftp_prefix = optarg;
2702
                break;
2703
            case QEMU_OPTION_bootp:
2704
                legacy_bootp_filename = optarg;
2705
                break;
2706
            case QEMU_OPTION_redir:
2707
                if (net_slirp_redir(optarg) < 0)
2708
                    exit(1);
2709
                break;
2710
#endif
2711
            case QEMU_OPTION_bt:
2712
                add_device_config(DEV_BT, optarg);
2713
                break;
2714
            case QEMU_OPTION_audio_help:
2715
                if (!(audio_available())) {
2716
                    printf("Option %s not supported for this target\n", popt->name);
2717
                    exit(1);
2718
                }
2719
                AUD_help ();
2720
                exit (0);
2721
                break;
2722
            case QEMU_OPTION_soundhw:
2723
                if (!(audio_available())) {
2724
                    printf("Option %s not supported for this target\n", popt->name);
2725
                    exit(1);
2726
                }
2727
                select_soundhw (optarg);
2728
                break;
2729
            case QEMU_OPTION_h:
2730
                help(0);
2731
                break;
2732
            case QEMU_OPTION_version:
2733
                version();
2734
                exit(0);
2735
                break;
2736
            case QEMU_OPTION_m: {
2737
                int64_t value;
2738
                uint64_t sz;
2739
                char *end;
2740

    
2741
                value = strtosz(optarg, &end);
2742
                if (value < 0 || *end) {
2743
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2744
                    exit(1);
2745
                }
2746
                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2747
                ram_size = sz;
2748
                if (ram_size != sz) {
2749
                    fprintf(stderr, "qemu: ram size too large\n");
2750
                    exit(1);
2751
                }
2752
                break;
2753
            }
2754
            case QEMU_OPTION_mempath:
2755
                mem_path = optarg;
2756
                break;
2757
#ifdef MAP_POPULATE
2758
            case QEMU_OPTION_mem_prealloc:
2759
                mem_prealloc = 1;
2760
                break;
2761
#endif
2762
            case QEMU_OPTION_d:
2763
                log_mask = optarg;
2764
                break;
2765
            case QEMU_OPTION_D:
2766
                log_file = optarg;
2767
                break;
2768
            case QEMU_OPTION_s:
2769
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2770
                break;
2771
            case QEMU_OPTION_gdb:
2772
                add_device_config(DEV_GDB, optarg);
2773
                break;
2774
            case QEMU_OPTION_L:
2775
                data_dir = optarg;
2776
                break;
2777
            case QEMU_OPTION_bios:
2778
                bios_name = optarg;
2779
                break;
2780
            case QEMU_OPTION_singlestep:
2781
                singlestep = 1;
2782
                break;
2783
            case QEMU_OPTION_S:
2784
                autostart = 0;
2785
                break;
2786
            case QEMU_OPTION_k:
2787
                keyboard_layout = optarg;
2788
                break;
2789
            case QEMU_OPTION_localtime:
2790
                rtc_utc = 0;
2791
                break;
2792
            case QEMU_OPTION_vga:
2793
                vga_model = optarg;
2794
                default_vga = 0;
2795
                break;
2796
            case QEMU_OPTION_g:
2797
                {
2798
                    const char *p;
2799
                    int w, h, depth;
2800
                    p = optarg;
2801
                    w = strtol(p, (char **)&p, 10);
2802
                    if (w <= 0) {
2803
                    graphic_error:
2804
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2805
                        exit(1);
2806
                    }
2807
                    if (*p != 'x')
2808
                        goto graphic_error;
2809
                    p++;
2810
                    h = strtol(p, (char **)&p, 10);
2811
                    if (h <= 0)
2812
                        goto graphic_error;
2813
                    if (*p == 'x') {
2814
                        p++;
2815
                        depth = strtol(p, (char **)&p, 10);
2816
                        if (depth != 8 && depth != 15 && depth != 16 &&
2817
                            depth != 24 && depth != 32)
2818
                            goto graphic_error;
2819
                    } else if (*p == '\0') {
2820
                        depth = graphic_depth;
2821
                    } else {
2822
                        goto graphic_error;
2823
                    }
2824

    
2825
                    graphic_width = w;
2826
                    graphic_height = h;
2827
                    graphic_depth = depth;
2828
                }
2829
                break;
2830
            case QEMU_OPTION_echr:
2831
                {
2832
                    char *r;
2833
                    term_escape_char = strtol(optarg, &r, 0);
2834
                    if (r == optarg)
2835
                        printf("Bad argument to echr\n");
2836
                    break;
2837
                }
2838
            case QEMU_OPTION_monitor:
2839
                monitor_parse(optarg, "readline");
2840
                default_monitor = 0;
2841
                break;
2842
            case QEMU_OPTION_qmp:
2843
                monitor_parse(optarg, "control");
2844
                default_monitor = 0;
2845
                break;
2846
            case QEMU_OPTION_mon:
2847
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2848
                if (!opts) {
2849
                    exit(1);
2850
                }
2851
                default_monitor = 0;
2852
                break;
2853
            case QEMU_OPTION_chardev:
2854
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2855
                if (!opts) {
2856
                    exit(1);
2857
                }
2858
                break;
2859
            case QEMU_OPTION_fsdev:
2860
                olist = qemu_find_opts("fsdev");
2861
                if (!olist) {
2862
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2863
                    exit(1);
2864
                }
2865
                opts = qemu_opts_parse(olist, optarg, 1);
2866
                if (!opts) {
2867
                    fprintf(stderr, "parse error: %s\n", optarg);
2868
                    exit(1);
2869
                }
2870
                break;
2871
            case QEMU_OPTION_virtfs: {
2872
                QemuOpts *fsdev;
2873
                QemuOpts *device;
2874
                const char *writeout, *sock_fd, *socket;
2875

    
2876
                olist = qemu_find_opts("virtfs");
2877
                if (!olist) {
2878
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2879
                    exit(1);
2880
                }
2881
                opts = qemu_opts_parse(olist, optarg, 1);
2882
                if (!opts) {
2883
                    fprintf(stderr, "parse error: %s\n", optarg);
2884
                    exit(1);
2885
                }
2886

    
2887
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
2888
                    qemu_opt_get(opts, "mount_tag") == NULL) {
2889
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2890
                    exit(1);
2891
                }
2892
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2893
                                         qemu_opt_get(opts, "mount_tag"),
2894
                                         1, NULL);
2895
                if (!fsdev) {
2896
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2897
                            qemu_opt_get(opts, "mount_tag"));
2898
                    exit(1);
2899
                }
2900

    
2901
                writeout = qemu_opt_get(opts, "writeout");
2902
                if (writeout) {
2903
#ifdef CONFIG_SYNC_FILE_RANGE
2904
                    qemu_opt_set(fsdev, "writeout", writeout);
2905
#else
2906
                    fprintf(stderr, "writeout=immediate not supported on "
2907
                            "this platform\n");
2908
                    exit(1);
2909
#endif
2910
                }
2911
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2912
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2913
                qemu_opt_set(fsdev, "security_model",
2914
                             qemu_opt_get(opts, "security_model"));
2915
                socket = qemu_opt_get(opts, "socket");
2916
                if (socket) {
2917
                    qemu_opt_set(fsdev, "socket", socket);
2918
                }
2919
                sock_fd = qemu_opt_get(opts, "sock_fd");
2920
                if (sock_fd) {
2921
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
2922
                }
2923

    
2924
                qemu_opt_set_bool(fsdev, "readonly",
2925
                                qemu_opt_get_bool(opts, "readonly", 0));
2926
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2927
                                          NULL);
2928
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2929
                qemu_opt_set(device, "fsdev",
2930
                             qemu_opt_get(opts, "mount_tag"));
2931
                qemu_opt_set(device, "mount_tag",
2932
                             qemu_opt_get(opts, "mount_tag"));
2933
                break;
2934
            }
2935
            case QEMU_OPTION_virtfs_synth: {
2936
                QemuOpts *fsdev;
2937
                QemuOpts *device;
2938

    
2939
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2940
                                         1, NULL);
2941
                if (!fsdev) {
2942
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2943
                    exit(1);
2944
                }
2945
                qemu_opt_set(fsdev, "fsdriver", "synth");
2946

    
2947
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2948
                                          NULL);
2949
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2950
                qemu_opt_set(device, "fsdev", "v_synth");
2951
                qemu_opt_set(device, "mount_tag", "v_synth");
2952
                break;
2953
            }
2954
            case QEMU_OPTION_serial:
2955
                add_device_config(DEV_SERIAL, optarg);
2956
                default_serial = 0;
2957
                if (strncmp(optarg, "mon:", 4) == 0) {
2958
                    default_monitor = 0;
2959
                }
2960
                break;
2961
            case QEMU_OPTION_watchdog:
2962
                if (watchdog) {
2963
                    fprintf(stderr,
2964
                            "qemu: only one watchdog option may be given\n");
2965
                    return 1;
2966
                }
2967
                watchdog = optarg;
2968
                break;
2969
            case QEMU_OPTION_watchdog_action:
2970
                if (select_watchdog_action(optarg) == -1) {
2971
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2972
                    exit(1);
2973
                }
2974
                break;
2975
            case QEMU_OPTION_virtiocon:
2976
                add_device_config(DEV_VIRTCON, optarg);
2977
                default_virtcon = 0;
2978
                if (strncmp(optarg, "mon:", 4) == 0) {
2979
                    default_monitor = 0;
2980
                }
2981
                break;
2982
            case QEMU_OPTION_parallel:
2983
                add_device_config(DEV_PARALLEL, optarg);
2984
                default_parallel = 0;
2985
                if (strncmp(optarg, "mon:", 4) == 0) {
2986
                    default_monitor = 0;
2987
                }
2988
                break;
2989
            case QEMU_OPTION_debugcon:
2990
                add_device_config(DEV_DEBUGCON, optarg);
2991
                break;
2992
            case QEMU_OPTION_loadvm:
2993
                loadvm = optarg;
2994
                break;
2995
            case QEMU_OPTION_full_screen:
2996
                full_screen = 1;
2997
                break;
2998
#ifdef CONFIG_SDL
2999
            case QEMU_OPTION_no_frame:
3000
                no_frame = 1;
3001
                break;
3002
            case QEMU_OPTION_alt_grab:
3003
                alt_grab = 1;
3004
                break;
3005
            case QEMU_OPTION_ctrl_grab:
3006
                ctrl_grab = 1;
3007
                break;
3008
            case QEMU_OPTION_no_quit:
3009
                no_quit = 1;
3010
                break;
3011
            case QEMU_OPTION_sdl:
3012
                display_type = DT_SDL;
3013
                break;
3014
#else
3015
            case QEMU_OPTION_no_frame:
3016
            case QEMU_OPTION_alt_grab:
3017
            case QEMU_OPTION_ctrl_grab:
3018
            case QEMU_OPTION_no_quit:
3019
            case QEMU_OPTION_sdl:
3020
                fprintf(stderr, "SDL support is disabled\n");
3021
                exit(1);
3022
#endif
3023
            case QEMU_OPTION_pidfile:
3024
                pid_file = optarg;
3025
                break;
3026
            case QEMU_OPTION_win2k_hack:
3027
                win2k_install_hack = 1;
3028
                break;
3029
            case QEMU_OPTION_rtc_td_hack: {
3030
                static GlobalProperty slew_lost_ticks[] = {
3031
                    {
3032
                        .driver   = "mc146818rtc",
3033
                        .property = "lost_tick_policy",
3034
                        .value    = "slew",
3035
                    },
3036
                    { /* end of list */ }
3037
                };
3038

    
3039
                qdev_prop_register_global_list(slew_lost_ticks);
3040
                break;
3041
            }
3042
            case QEMU_OPTION_acpitable:
3043
                do_acpitable_option(optarg);
3044
                break;
3045
            case QEMU_OPTION_smbios:
3046
                do_smbios_option(optarg);
3047
                break;
3048
            case QEMU_OPTION_enable_kvm:
3049
                olist = qemu_find_opts("machine");
3050
                qemu_opts_parse(olist, "accel=kvm", 0);
3051
                break;
3052
            case QEMU_OPTION_machine:
3053
                olist = qemu_find_opts("machine");
3054
                opts = qemu_opts_parse(olist, optarg, 1);
3055
                if (!opts) {
3056
                    fprintf(stderr, "parse error: %s\n", optarg);
3057
                    exit(1);
3058
                }
3059
                optarg = qemu_opt_get(opts, "type");
3060
                if (optarg) {
3061
                    machine = machine_parse(optarg);
3062
                }
3063
                break;
3064
            case QEMU_OPTION_usb:
3065
                usb_enabled = 1;
3066
                break;
3067
            case QEMU_OPTION_usbdevice:
3068
                usb_enabled = 1;
3069
                add_device_config(DEV_USB, optarg);
3070
                break;
3071
            case QEMU_OPTION_device:
3072
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3073
                    exit(1);
3074
                }
3075
                break;
3076
            case QEMU_OPTION_smp:
3077
                smp_parse(optarg);
3078
                if (smp_cpus < 1) {
3079
                    fprintf(stderr, "Invalid number of CPUs\n");
3080
                    exit(1);
3081
                }
3082
                if (max_cpus < smp_cpus) {
3083
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3084
                            "smp\n");
3085
                    exit(1);
3086
                }
3087
                if (max_cpus > 255) {
3088
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3089
                    exit(1);
3090
                }
3091
                break;
3092
            case QEMU_OPTION_vnc:
3093
#ifdef CONFIG_VNC
3094
                display_remote++;
3095
                vnc_display = optarg;
3096
#else
3097
                fprintf(stderr, "VNC support is disabled\n");
3098
                exit(1);
3099
#endif
3100
                break;
3101
            case QEMU_OPTION_no_acpi:
3102
                acpi_enabled = 0;
3103
                break;
3104
            case QEMU_OPTION_no_hpet:
3105
                no_hpet = 1;
3106
                break;
3107
            case QEMU_OPTION_balloon:
3108
                if (balloon_parse(optarg) < 0) {
3109
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3110
                    exit(1);
3111
                }
3112
                break;
3113
            case QEMU_OPTION_no_reboot:
3114
                no_reboot = 1;
3115
                break;
3116
            case QEMU_OPTION_no_shutdown:
3117
                no_shutdown = 1;
3118
                break;
3119
            case QEMU_OPTION_show_cursor:
3120
                cursor_hide = 0;
3121
                break;
3122
            case QEMU_OPTION_uuid:
3123
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3124
                    fprintf(stderr, "Fail to parse UUID string."
3125
                            " Wrong format.\n");
3126
                    exit(1);
3127
                }
3128
                break;
3129
            case QEMU_OPTION_option_rom:
3130
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3131
                    fprintf(stderr, "Too many option ROMs\n");
3132
                    exit(1);
3133
                }
3134
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3135
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3136
                option_rom[nb_option_roms].bootindex =
3137
                    qemu_opt_get_number(opts, "bootindex", -1);
3138
                if (!option_rom[nb_option_roms].name) {
3139
                    fprintf(stderr, "Option ROM file is not specified\n");
3140
                    exit(1);
3141
                }
3142
                nb_option_roms++;
3143
                break;
3144
            case QEMU_OPTION_semihosting:
3145
                semihosting_enabled = 1;
3146
                break;
3147
            case QEMU_OPTION_name:
3148
                qemu_name = g_strdup(optarg);
3149
                 {
3150
                     char *p = strchr(qemu_name, ',');
3151
                     if (p != NULL) {
3152
                        *p++ = 0;
3153
                        if (strncmp(p, "process=", 8)) {
3154
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3155
                            exit(1);
3156
                        }
3157
                        p += 8;
3158
                        os_set_proc_name(p);
3159
                     }        
3160
                 }        
3161
                break;
3162
            case QEMU_OPTION_prom_env:
3163
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3164
                    fprintf(stderr, "Too many prom variables\n");
3165
                    exit(1);
3166
                }
3167
                prom_envs[nb_prom_envs] = optarg;
3168
                nb_prom_envs++;
3169
                break;
3170
            case QEMU_OPTION_old_param:
3171
                old_param = 1;
3172
                break;
3173
            case QEMU_OPTION_clock:
3174
                configure_alarms(optarg);
3175
                break;
3176
            case QEMU_OPTION_startdate:
3177
                configure_rtc_date_offset(optarg, 1);
3178
                break;
3179
            case QEMU_OPTION_rtc:
3180
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3181
                if (!opts) {
3182
                    exit(1);
3183
                }
3184
                configure_rtc(opts);
3185
                break;
3186
            case QEMU_OPTION_tb_size:
3187
                tcg_tb_size = strtol(optarg, NULL, 0);
3188
                if (tcg_tb_size < 0) {
3189
                    tcg_tb_size = 0;
3190
                }
3191
                break;
3192
            case QEMU_OPTION_icount:
3193
                icount_option = optarg;
3194
                break;
3195
            case QEMU_OPTION_incoming:
3196
                incoming = optarg;
3197
                runstate_set(RUN_STATE_INMIGRATE);
3198
                break;
3199
            case QEMU_OPTION_nodefaults:
3200
                default_serial = 0;
3201
                default_parallel = 0;
3202
                default_virtcon = 0;
3203
                default_monitor = 0;
3204
                default_net = 0;
3205
                default_floppy = 0;
3206
                default_cdrom = 0;
3207
                default_sdcard = 0;
3208
                default_vga = 0;
3209
                break;
3210
            case QEMU_OPTION_xen_domid:
3211
                if (!(xen_available())) {
3212
                    printf("Option %s not supported for this target\n", popt->name);
3213
                    exit(1);
3214
                }
3215
                xen_domid = atoi(optarg);
3216
                break;
3217
            case QEMU_OPTION_xen_create:
3218
                if (!(xen_available())) {
3219
                    printf("Option %s not supported for this target\n", popt->name);
3220
                    exit(1);
3221
                }
3222
                xen_mode = XEN_CREATE;
3223
                break;
3224
            case QEMU_OPTION_xen_attach:
3225
                if (!(xen_available())) {
3226
                    printf("Option %s not supported for this target\n", popt->name);
3227
                    exit(1);
3228
                }
3229
                xen_mode = XEN_ATTACH;
3230
                break;
3231
            case QEMU_OPTION_trace:
3232
            {
3233
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3234
                if (!opts) {
3235
                    exit(1);
3236
                }
3237
                trace_events = qemu_opt_get(opts, "events");
3238
                trace_file = qemu_opt_get(opts, "file");
3239
                break;
3240
            }
3241
            case QEMU_OPTION_readconfig:
3242
                {
3243
                    int ret = qemu_read_config_file(optarg);
3244
                    if (ret < 0) {
3245
                        fprintf(stderr, "read config %s: %s\n", optarg,
3246
                            strerror(-ret));
3247
                        exit(1);
3248
                    }
3249
                    break;
3250
                }
3251
            case QEMU_OPTION_spice:
3252
                olist = qemu_find_opts("spice");
3253
                if (!olist) {
3254
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3255
                    exit(1);
3256
                }
3257
                opts = qemu_opts_parse(olist, optarg, 0);
3258
                if (!opts) {
3259
                    fprintf(stderr, "parse error: %s\n", optarg);
3260
                    exit(1);
3261
                }
3262
                break;
3263
            case QEMU_OPTION_writeconfig:
3264
                {
3265
                    FILE *fp;
3266
                    if (strcmp(optarg, "-") == 0) {
3267
                        fp = stdout;
3268
                    } else {
3269
                        fp = fopen(optarg, "w");
3270
                        if (fp == NULL) {
3271
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3272
                            exit(1);
3273
                        }
3274
                    }
3275
                    qemu_config_write(fp);
3276
                    fclose(fp);
3277
                    break;
3278
                }
3279
            case QEMU_OPTION_qtest:
3280
                qtest_chrdev = optarg;
3281
                break;
3282
            case QEMU_OPTION_qtest_log:
3283
                qtest_log = optarg;
3284
                break;
3285
            case QEMU_OPTION_sandbox:
3286
                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3287
                if (!opts) {
3288
                    exit(0);
3289
                }
3290
                break;
3291
            default:
3292
                os_parse_cmd_args(popt->index, optarg);
3293
            }
3294
        }
3295
    }
3296
    loc_set_none();
3297

    
3298
    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3299
        exit(1);
3300
    }
3301

    
3302
    if (machine == NULL) {
3303
        fprintf(stderr, "No machine found.\n");
3304
        exit(1);
3305
    }
3306

    
3307
    if (machine->hw_version) {
3308
        qemu_set_version(machine->hw_version);
3309
    }
3310

    
3311
    /* Init CPU def lists, based on config
3312
     * - Must be called after all the qemu_read_config_file() calls
3313
     * - Must be called before list_cpus()
3314
     * - Must be called before machine->init()
3315
     */
3316
    cpudef_init();
3317

    
3318
    if (cpu_model && is_help_option(cpu_model)) {
3319
        list_cpus(stdout, &fprintf, cpu_model);
3320
        exit(0);
3321
    }
3322

    
3323
    /* Open the logfile at this point, if necessary. We can't open the logfile
3324
     * when encountering either of the logging options (-d or -D) because the
3325
     * other one may be encountered later on the command line, changing the
3326
     * location or level of logging.
3327
     */
3328
    if (log_mask) {
3329
        if (log_file) {
3330
            set_cpu_log_filename(log_file);
3331
        }
3332
        set_cpu_log(log_mask);
3333
    }
3334

    
3335
    if (!trace_backend_init(trace_events, trace_file)) {
3336
        exit(1);
3337
    }
3338

    
3339
    /* If no data_dir is specified then try to find it relative to the
3340
       executable path.  */
3341
    if (!data_dir) {
3342
        data_dir = os_find_datadir(argv[0]);
3343
    }
3344
    /* If all else fails use the install path specified when building. */
3345
    if (!data_dir) {
3346
        data_dir = CONFIG_QEMU_DATADIR;
3347
    }
3348

    
3349
    /*
3350
     * Default to max_cpus = smp_cpus, in case the user doesn't
3351
     * specify a max_cpus value.
3352
     */
3353
    if (!max_cpus)
3354
        max_cpus = smp_cpus;
3355

    
3356
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3357
    if (smp_cpus > machine->max_cpus) {
3358
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3359
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3360
                machine->max_cpus);
3361
        exit(1);
3362
    }
3363

    
3364
    /*
3365
     * Get the default machine options from the machine if it is not already
3366
     * specified either by the configuration file or by the command line.
3367
     */
3368
    if (machine->default_machine_opts) {
3369
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3370
                               machine->default_machine_opts, 0);
3371
    }
3372

    
3373
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3374
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3375

    
3376
    if (machine->no_serial) {
3377
        default_serial = 0;
3378
    }
3379
    if (machine->no_parallel) {
3380
        default_parallel = 0;
3381
    }
3382
    if (!machine->use_virtcon) {
3383
        default_virtcon = 0;
3384
    }
3385
    if (machine->no_floppy) {
3386
        default_floppy = 0;
3387
    }
3388
    if (machine->no_cdrom) {
3389
        default_cdrom = 0;
3390
    }
3391
    if (machine->no_sdcard) {
3392
        default_sdcard = 0;
3393
    }
3394

    
3395
    if (display_type == DT_NOGRAPHIC) {
3396
        if (default_parallel)
3397
            add_device_config(DEV_PARALLEL, "null");
3398
        if (default_serial && default_monitor) {
3399
            add_device_config(DEV_SERIAL, "mon:stdio");
3400
        } else if (default_virtcon && default_monitor) {
3401
            add_device_config(DEV_VIRTCON, "mon:stdio");
3402
        } else {
3403
            if (default_serial)
3404
                add_device_config(DEV_SERIAL, "stdio");
3405
            if (default_virtcon)
3406
                add_device_config(DEV_VIRTCON, "stdio");
3407
            if (default_monitor)
3408
                monitor_parse("stdio", "readline");
3409
        }
3410
    } else {
3411
        if (default_serial)
3412
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3413
        if (default_parallel)
3414
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3415
        if (default_monitor)
3416
            monitor_parse("vc:80Cx24C", "readline");
3417
        if (default_virtcon)
3418
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3419
    }
3420

    
3421
    socket_init();
3422

    
3423
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3424
        exit(1);
3425
#ifdef CONFIG_VIRTFS
3426
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3427
        exit(1);
3428
    }
3429
#endif
3430

    
3431
    os_daemonize();
3432

    
3433
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3434
        os_pidfile_error();
3435
        exit(1);
3436
    }
3437

    
3438
    /* init the memory */
3439
    if (ram_size == 0) {
3440
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3441
    }
3442

    
3443
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3444
        != 0) {
3445
        exit(0);
3446
    }
3447

    
3448
    configure_accelerator();
3449

    
3450
    qemu_init_cpu_loop();
3451
    if (qemu_init_main_loop()) {
3452
        fprintf(stderr, "qemu_init_main_loop failed\n");
3453
        exit(1);
3454
    }
3455

    
3456
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3457
    if (machine_opts) {
3458
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3459
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3460
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3461
    } else {
3462
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3463
    }
3464

    
3465
    if (!kernel_cmdline) {
3466
        kernel_cmdline = "";
3467
    }
3468

    
3469
    linux_boot = (kernel_filename != NULL);
3470

    
3471
    if (!linux_boot && *kernel_cmdline != '\0') {
3472
        fprintf(stderr, "-append only allowed with -kernel option\n");
3473
        exit(1);
3474
    }
3475

    
3476
    if (!linux_boot && initrd_filename != NULL) {
3477
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3478
        exit(1);
3479
    }
3480

    
3481
    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3482
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
3483
        exit(1);
3484
    }
3485

    
3486
    os_set_line_buffering();
3487

    
3488
    if (init_timer_alarm() < 0) {
3489
        fprintf(stderr, "could not initialize alarm timer\n");
3490
        exit(1);
3491
    }
3492

    
3493
#ifdef CONFIG_SPICE
3494
    /* spice needs the timers to be initialized by this point */
3495
    qemu_spice_init();
3496
#endif
3497

    
3498
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3499
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3500
        exit(1);
3501
    }
3502
    configure_icount(icount_option);
3503

    
3504
    if (net_init_clients() < 0) {
3505
        exit(1);
3506
    }
3507

    
3508
    /* init the bluetooth world */
3509
    if (foreach_device_config(DEV_BT, bt_parse))
3510
        exit(1);
3511

    
3512
    if (!xen_enabled()) {
3513
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3514
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3515
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3516
            exit(1);
3517
        }
3518
    }
3519

    
3520
    cpu_exec_init_all();
3521

    
3522
    bdrv_init_with_whitelist();
3523

    
3524
    blk_mig_init();
3525

    
3526
    /* open the virtual block devices */
3527
    if (snapshot)
3528
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3529
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3530
        exit(1);
3531

    
3532
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3533
                  IF_DEFAULT, 2, CDROM_OPTS);
3534
    default_drive(default_floppy, snapshot, machine->use_scsi,
3535
                  IF_FLOPPY, 0, FD_OPTS);
3536
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3537
                  IF_SD, 0, SD_OPTS);
3538

    
3539
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3540

    
3541
    if (nb_numa_nodes > 0) {
3542
        int i;
3543

    
3544
        if (nb_numa_nodes > MAX_NODES) {
3545
            nb_numa_nodes = MAX_NODES;
3546
        }
3547

    
3548
        /* If no memory size if given for any node, assume the default case
3549
         * and distribute the available memory equally across all nodes
3550
         */
3551
        for (i = 0; i < nb_numa_nodes; i++) {
3552
            if (node_mem[i] != 0)
3553
                break;
3554
        }
3555
        if (i == nb_numa_nodes) {
3556
            uint64_t usedmem = 0;
3557

    
3558
            /* On Linux, the each node's border has to be 8MB aligned,
3559
             * the final node gets the rest.
3560
             */
3561
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3562
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3563
                usedmem += node_mem[i];
3564
            }
3565
            node_mem[i] = ram_size - usedmem;
3566
        }
3567

    
3568
        for (i = 0; i < nb_numa_nodes; i++) {
3569
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3570
                break;
3571
            }
3572
        }
3573
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3574
         * must cope with this anyway, because there are BIOSes out there in
3575
         * real machines which also use this scheme.
3576
         */
3577
        if (i == nb_numa_nodes) {
3578
            for (i = 0; i < max_cpus; i++) {
3579
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
3580
            }
3581
        }
3582
    }
3583

    
3584
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3585
        exit(1);
3586
    }
3587

    
3588
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3589
        exit(1);
3590
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3591
        exit(1);
3592
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3593
        exit(1);
3594
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3595
        exit(1);
3596

    
3597
    /* If no default VGA is requested, the default is "none".  */
3598
    if (default_vga && cirrus_vga_available()) {
3599
        vga_model = "cirrus";
3600
    }
3601
    select_vgahw(vga_model);
3602

    
3603
    if (watchdog) {
3604
        i = select_watchdog(watchdog);
3605
        if (i > 0)
3606
            exit (i == 1 ? 1 : 0);
3607
    }
3608

    
3609
    if (machine->compat_props) {
3610
        qdev_prop_register_global_list(machine->compat_props);
3611
    }
3612
    qemu_add_globals();
3613

    
3614
    qdev_machine_init();
3615

    
3616
    machine->init(ram_size, boot_devices,
3617
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3618

    
3619
    cpu_synchronize_all_post_init();
3620

    
3621
    set_numa_modes();
3622

    
3623
    current_machine = machine;
3624

    
3625
    /* init USB devices */
3626
    if (usb_enabled) {
3627
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3628
            exit(1);
3629
    }
3630

    
3631
    /* init generic devices */
3632
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3633
        exit(1);
3634

    
3635
    net_check_clients();
3636

    
3637
    /* just use the first displaystate for the moment */
3638
    ds = get_displaystate();
3639

    
3640
    if (using_spice)
3641
        display_remote++;
3642
    if (display_type == DT_DEFAULT && !display_remote) {
3643
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3644
        display_type = DT_SDL;
3645
#elif defined(CONFIG_VNC)
3646
        vnc_display = "localhost:0,to=99";
3647
        show_vnc_port = 1;
3648
#else
3649
        display_type = DT_NONE;
3650
#endif
3651
    }
3652

    
3653

    
3654
    /* init local displays */
3655
    switch (display_type) {
3656
    case DT_NOGRAPHIC:
3657
        break;
3658
#if defined(CONFIG_CURSES)
3659
    case DT_CURSES:
3660
        curses_display_init(ds, full_screen);
3661
        break;
3662
#endif
3663
#if defined(CONFIG_SDL)
3664
    case DT_SDL:
3665
        sdl_display_init(ds, full_screen, no_frame);
3666
        break;
3667
#elif defined(CONFIG_COCOA)
3668
    case DT_SDL:
3669
        cocoa_display_init(ds, full_screen);
3670
        break;
3671
#endif
3672
    default:
3673
        break;
3674
    }
3675

    
3676
    /* must be after terminal init, SDL library changes signal handlers */
3677
    os_setup_signal_handling();
3678

    
3679
#ifdef CONFIG_VNC
3680
    /* init remote displays */
3681
    if (vnc_display) {
3682
        vnc_display_init(ds);
3683
        if (vnc_display_open(ds, vnc_display) < 0) {
3684
            fprintf(stderr, "Failed to start VNC server on `%s'\n",
3685
                    vnc_display);
3686
            exit(1);
3687
        }
3688

    
3689
        if (show_vnc_port) {
3690
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3691
        }
3692
    }
3693
#endif
3694
#ifdef CONFIG_SPICE
3695
    if (using_spice && !qxl_enabled) {
3696
        qemu_spice_display_init(ds);
3697
    }
3698
#endif
3699

    
3700
    /* display setup */
3701
    dpy_resize(ds);
3702
    dcl = ds->listeners;
3703
    while (dcl != NULL) {
3704
        if (dcl->dpy_refresh != NULL) {
3705
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3706
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3707
            break;
3708
        }
3709
        dcl = dcl->next;
3710
    }
3711
    text_consoles_set_display(ds);
3712

    
3713
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3714
        exit(1);
3715
    }
3716

    
3717
    qdev_machine_creation_done();
3718

    
3719
    if (rom_load_all() != 0) {
3720
        fprintf(stderr, "rom loading failed\n");
3721
        exit(1);
3722
    }
3723

    
3724
    /* TODO: once all bus devices are qdevified, this should be done
3725
     * when bus is created by qdev.c */
3726
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3727
    qemu_run_machine_init_done_notifiers();
3728

    
3729
    qemu_system_reset(VMRESET_SILENT);
3730
    if (loadvm) {
3731
        if (load_vmstate(loadvm) < 0) {
3732
            autostart = 0;
3733
        }
3734
    }
3735

    
3736
    if (incoming) {
3737
        Error *errp = NULL;
3738
        int ret = qemu_start_incoming_migration(incoming, &errp);
3739
        if (ret < 0) {
3740
            if (error_is_set(&errp)) {
3741
                fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3742
                error_free(errp);
3743
            }
3744
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3745
                    incoming, ret);
3746
            exit(ret);
3747
        }
3748
    } else if (autostart) {
3749
        vm_start();
3750
    }
3751

    
3752
    os_setup_post();
3753

    
3754
    resume_all_vcpus();
3755
    main_loop();
3756
    bdrv_close_all();
3757
    pause_all_vcpus();
3758
    net_cleanup();
3759
    res_free();
3760

    
3761
    return 0;
3762
}