Statistics
| Branch: | Revision:

root / vl.c @ 4d5b97da

History | View | Annotate | Download (105.5 kB)

1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31
#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
}
1027

    
1028
static void smp_parse(const char *optarg)
1029
{
1030
    int smp, sockets = 0, threads = 0, cores = 0;
1031
    char *endptr;
1032
    char option[128];
1033

    
1034
    smp = strtoul(optarg, &endptr, 10);
1035
    if (endptr != optarg) {
1036
        if (*endptr == ',') {
1037
            endptr++;
1038
        }
1039
    }
1040
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1041
        sockets = strtoull(option, NULL, 10);
1042
    if (get_param_value(option, 128, "cores", endptr) != 0)
1043
        cores = strtoull(option, NULL, 10);
1044
    if (get_param_value(option, 128, "threads", endptr) != 0)
1045
        threads = strtoull(option, NULL, 10);
1046
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1047
        max_cpus = strtoull(option, NULL, 10);
1048

    
1049
    /* compute missing values, prefer sockets over cores over threads */
1050
    if (smp == 0 || sockets == 0) {
1051
        sockets = sockets > 0 ? sockets : 1;
1052
        cores = cores > 0 ? cores : 1;
1053
        threads = threads > 0 ? threads : 1;
1054
        if (smp == 0) {
1055
            smp = cores * threads * sockets;
1056
        }
1057
    } else {
1058
        if (cores == 0) {
1059
            threads = threads > 0 ? threads : 1;
1060
            cores = smp / (sockets * threads);
1061
        } else {
1062
            threads = smp / (cores * sockets);
1063
        }
1064
    }
1065
    smp_cpus = smp;
1066
    smp_cores = cores > 0 ? cores : 1;
1067
    smp_threads = threads > 0 ? threads : 1;
1068
    if (max_cpus == 0)
1069
        max_cpus = smp_cpus;
1070
}
1071

    
1072
/***********************************************************/
1073
/* USB devices */
1074

    
1075
static int usb_device_add(const char *devname)
1076
{
1077
    const char *p;
1078
    USBDevice *dev = NULL;
1079

    
1080
    if (!usb_enabled)
1081
        return -1;
1082

    
1083
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1084
    dev = usbdevice_create(devname);
1085
    if (dev)
1086
        goto done;
1087

    
1088
    /* the other ones */
1089
#ifndef CONFIG_LINUX
1090
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1091
    if (strstart(devname, "host:", &p)) {
1092
        dev = usb_host_device_open(usb_bus_find(-1), p);
1093
    } else
1094
#endif
1095
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1096
        dev = usb_bt_init(usb_bus_find(-1),
1097
                          devname[2] ? hci_init(p)
1098
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1099
    } else {
1100
        return -1;
1101
    }
1102
    if (!dev)
1103
        return -1;
1104

    
1105
done:
1106
    return 0;
1107
}
1108

    
1109
static int usb_device_del(const char *devname)
1110
{
1111
    int bus_num, addr;
1112
    const char *p;
1113

    
1114
    if (strstart(devname, "host:", &p))
1115
        return usb_host_device_close(p);
1116

    
1117
    if (!usb_enabled)
1118
        return -1;
1119

    
1120
    p = strchr(devname, '.');
1121
    if (!p)
1122
        return -1;
1123
    bus_num = strtoul(devname, NULL, 0);
1124
    addr = strtoul(p + 1, NULL, 0);
1125

    
1126
    return usb_device_delete_addr(bus_num, addr);
1127
}
1128

    
1129
static int usb_parse(const char *cmdline)
1130
{
1131
    int r;
1132
    r = usb_device_add(cmdline);
1133
    if (r < 0) {
1134
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1135
    }
1136
    return r;
1137
}
1138

    
1139
void do_usb_add(Monitor *mon, const QDict *qdict)
1140
{
1141
    const char *devname = qdict_get_str(qdict, "devname");
1142
    if (usb_device_add(devname) < 0) {
1143
        error_report("could not add USB device '%s'", devname);
1144
    }
1145
}
1146

    
1147
void do_usb_del(Monitor *mon, const QDict *qdict)
1148
{
1149
    const char *devname = qdict_get_str(qdict, "devname");
1150
    if (usb_device_del(devname) < 0) {
1151
        error_report("could not delete USB device '%s'", devname);
1152
    }
1153
}
1154

    
1155
/***********************************************************/
1156
/* PCMCIA/Cardbus */
1157

    
1158
static struct pcmcia_socket_entry_s {
1159
    PCMCIASocket *socket;
1160
    struct pcmcia_socket_entry_s *next;
1161
} *pcmcia_sockets = 0;
1162

    
1163
void pcmcia_socket_register(PCMCIASocket *socket)
1164
{
1165
    struct pcmcia_socket_entry_s *entry;
1166

    
1167
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1168
    entry->socket = socket;
1169
    entry->next = pcmcia_sockets;
1170
    pcmcia_sockets = entry;
1171
}
1172

    
1173
void pcmcia_socket_unregister(PCMCIASocket *socket)
1174
{
1175
    struct pcmcia_socket_entry_s *entry, **ptr;
1176

    
1177
    ptr = &pcmcia_sockets;
1178
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1179
        if (entry->socket == socket) {
1180
            *ptr = entry->next;
1181
            g_free(entry);
1182
        }
1183
}
1184

    
1185
void pcmcia_info(Monitor *mon)
1186
{
1187
    struct pcmcia_socket_entry_s *iter;
1188

    
1189
    if (!pcmcia_sockets)
1190
        monitor_printf(mon, "No PCMCIA sockets\n");
1191

    
1192
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1193
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1194
                       iter->socket->attached ? iter->socket->card_string :
1195
                       "Empty");
1196
}
1197

    
1198
/***********************************************************/
1199
/* machine registration */
1200

    
1201
static QEMUMachine *first_machine = NULL;
1202
QEMUMachine *current_machine = NULL;
1203

    
1204
int qemu_register_machine(QEMUMachine *m)
1205
{
1206
    QEMUMachine **pm;
1207
    pm = &first_machine;
1208
    while (*pm != NULL)
1209
        pm = &(*pm)->next;
1210
    m->next = NULL;
1211
    *pm = m;
1212
    return 0;
1213
}
1214

    
1215
static QEMUMachine *find_machine(const char *name)
1216
{
1217
    QEMUMachine *m;
1218

    
1219
    for(m = first_machine; m != NULL; m = m->next) {
1220
        if (!strcmp(m->name, name))
1221
            return m;
1222
        if (m->alias && !strcmp(m->alias, name))
1223
            return m;
1224
    }
1225
    return NULL;
1226
}
1227

    
1228
QEMUMachine *find_default_machine(void)
1229
{
1230
    QEMUMachine *m;
1231

    
1232
    for(m = first_machine; m != NULL; m = m->next) {
1233
        if (m->is_default) {
1234
            return m;
1235
        }
1236
    }
1237
    return NULL;
1238
}
1239

    
1240
MachineInfoList *qmp_query_machines(Error **errp)
1241
{
1242
    MachineInfoList *mach_list = NULL;
1243
    QEMUMachine *m;
1244

    
1245
    for (m = first_machine; m; m = m->next) {
1246
        MachineInfoList *entry;
1247
        MachineInfo *info;
1248

    
1249
        info = g_malloc0(sizeof(*info));
1250
        if (m->is_default) {
1251
            info->has_is_default = true;
1252
            info->is_default = true;
1253
        }
1254

    
1255
        if (m->alias) {
1256
            info->has_alias = true;
1257
            info->alias = g_strdup(m->alias);
1258
        }
1259

    
1260
        info->name = g_strdup(m->name);
1261

    
1262
        entry = g_malloc0(sizeof(*entry));
1263
        entry->value = info;
1264
        entry->next = mach_list;
1265
        mach_list = entry;
1266
    }
1267

    
1268
    return mach_list;
1269
}
1270

    
1271
/***********************************************************/
1272
/* main execution loop */
1273

    
1274
static void gui_update(void *opaque)
1275
{
1276
    uint64_t interval = GUI_REFRESH_INTERVAL;
1277
    DisplayState *ds = opaque;
1278
    DisplayChangeListener *dcl = ds->listeners;
1279

    
1280
    dpy_refresh(ds);
1281

    
1282
    while (dcl != NULL) {
1283
        if (dcl->gui_timer_interval &&
1284
            dcl->gui_timer_interval < interval)
1285
            interval = dcl->gui_timer_interval;
1286
        dcl = dcl->next;
1287
    }
1288
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1289
}
1290

    
1291
struct vm_change_state_entry {
1292
    VMChangeStateHandler *cb;
1293
    void *opaque;
1294
    QLIST_ENTRY (vm_change_state_entry) entries;
1295
};
1296

    
1297
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1298

    
1299
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1300
                                                     void *opaque)
1301
{
1302
    VMChangeStateEntry *e;
1303

    
1304
    e = g_malloc0(sizeof (*e));
1305

    
1306
    e->cb = cb;
1307
    e->opaque = opaque;
1308
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1309
    return e;
1310
}
1311

    
1312
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1313
{
1314
    QLIST_REMOVE (e, entries);
1315
    g_free (e);
1316
}
1317

    
1318
void vm_state_notify(int running, RunState state)
1319
{
1320
    VMChangeStateEntry *e;
1321

    
1322
    trace_vm_state_notify(running, state);
1323

    
1324
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1325
        e->cb(e->opaque, running, state);
1326
    }
1327
}
1328

    
1329
void vm_start(void)
1330
{
1331
    if (!runstate_is_running()) {
1332
        cpu_enable_ticks();
1333
        runstate_set(RUN_STATE_RUNNING);
1334
        vm_state_notify(1, RUN_STATE_RUNNING);
1335
        resume_all_vcpus();
1336
        monitor_protocol_event(QEVENT_RESUME, NULL);
1337
    }
1338
}
1339

    
1340
/* reset/shutdown handler */
1341

    
1342
typedef struct QEMUResetEntry {
1343
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1344
    QEMUResetHandler *func;
1345
    void *opaque;
1346
} QEMUResetEntry;
1347

    
1348
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1349
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1350
static int reset_requested;
1351
static int shutdown_requested, shutdown_signal = -1;
1352
static pid_t shutdown_pid;
1353
static int powerdown_requested;
1354
static int debug_requested;
1355
static int suspend_requested;
1356
static int wakeup_requested;
1357
static NotifierList powerdown_notifiers =
1358
    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1359
static NotifierList suspend_notifiers =
1360
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1361
static NotifierList wakeup_notifiers =
1362
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1363
static uint32_t wakeup_reason_mask = ~0;
1364
static RunState vmstop_requested = RUN_STATE_MAX;
1365

    
1366
int qemu_shutdown_requested_get(void)
1367
{
1368
    return shutdown_requested;
1369
}
1370

    
1371
int qemu_reset_requested_get(void)
1372
{
1373
    return reset_requested;
1374
}
1375

    
1376
int qemu_shutdown_requested(void)
1377
{
1378
    int r = shutdown_requested;
1379
    shutdown_requested = 0;
1380
    return r;
1381
}
1382

    
1383
void qemu_kill_report(void)
1384
{
1385
    if (!qtest_enabled() && shutdown_signal != -1) {
1386
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1387
        if (shutdown_pid == 0) {
1388
            /* This happens for eg ^C at the terminal, so it's worth
1389
             * avoiding printing an odd message in that case.
1390
             */
1391
            fputc('\n', stderr);
1392
        } else {
1393
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1394
        }
1395
        shutdown_signal = -1;
1396
    }
1397
}
1398

    
1399
int qemu_reset_requested(void)
1400
{
1401
    int r = reset_requested;
1402
    reset_requested = 0;
1403
    return r;
1404
}
1405

    
1406
static int qemu_suspend_requested(void)
1407
{
1408
    int r = suspend_requested;
1409
    suspend_requested = 0;
1410
    return r;
1411
}
1412

    
1413
static int qemu_wakeup_requested(void)
1414
{
1415
    int r = wakeup_requested;
1416
    wakeup_requested = 0;
1417
    return r;
1418
}
1419

    
1420
int qemu_powerdown_requested(void)
1421
{
1422
    int r = powerdown_requested;
1423
    powerdown_requested = 0;
1424
    return r;
1425
}
1426

    
1427
static int qemu_debug_requested(void)
1428
{
1429
    int r = debug_requested;
1430
    debug_requested = 0;
1431
    return r;
1432
}
1433

    
1434
/* We use RUN_STATE_MAX but any invalid value will do */
1435
static bool qemu_vmstop_requested(RunState *r)
1436
{
1437
    if (vmstop_requested < RUN_STATE_MAX) {
1438
        *r = vmstop_requested;
1439
        vmstop_requested = RUN_STATE_MAX;
1440
        return true;
1441
    }
1442

    
1443
    return false;
1444
}
1445

    
1446
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1447
{
1448
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1449

    
1450
    re->func = func;
1451
    re->opaque = opaque;
1452
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1453
}
1454

    
1455
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1456
{
1457
    QEMUResetEntry *re;
1458

    
1459
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1460
        if (re->func == func && re->opaque == opaque) {
1461
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1462
            g_free(re);
1463
            return;
1464
        }
1465
    }
1466
}
1467

    
1468
void qemu_devices_reset(void)
1469
{
1470
    QEMUResetEntry *re, *nre;
1471

    
1472
    /* reset all devices */
1473
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1474
        re->func(re->opaque);
1475
    }
1476
}
1477

    
1478
void qemu_system_reset(bool report)
1479
{
1480
    if (current_machine && current_machine->reset) {
1481
        current_machine->reset();
1482
    } else {
1483
        qemu_devices_reset();
1484
    }
1485
    if (report) {
1486
        monitor_protocol_event(QEVENT_RESET, NULL);
1487
    }
1488
    cpu_synchronize_all_post_reset();
1489
}
1490

    
1491
void qemu_system_reset_request(void)
1492
{
1493
    if (no_reboot) {
1494
        shutdown_requested = 1;
1495
    } else {
1496
        reset_requested = 1;
1497
    }
1498
    cpu_stop_current();
1499
    qemu_notify_event();
1500
}
1501

    
1502
static void qemu_system_suspend(void)
1503
{
1504
    pause_all_vcpus();
1505
    notifier_list_notify(&suspend_notifiers, NULL);
1506
    runstate_set(RUN_STATE_SUSPENDED);
1507
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1508
}
1509

    
1510
void qemu_system_suspend_request(void)
1511
{
1512
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1513
        return;
1514
    }
1515
    suspend_requested = 1;
1516
    cpu_stop_current();
1517
    qemu_notify_event();
1518
}
1519

    
1520
void qemu_register_suspend_notifier(Notifier *notifier)
1521
{
1522
    notifier_list_add(&suspend_notifiers, notifier);
1523
}
1524

    
1525
void qemu_system_wakeup_request(WakeupReason reason)
1526
{
1527
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1528
        return;
1529
    }
1530
    if (!(wakeup_reason_mask & (1 << reason))) {
1531
        return;
1532
    }
1533
    runstate_set(RUN_STATE_RUNNING);
1534
    notifier_list_notify(&wakeup_notifiers, &reason);
1535
    wakeup_requested = 1;
1536
    qemu_notify_event();
1537
}
1538

    
1539
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1540
{
1541
    if (enabled) {
1542
        wakeup_reason_mask |= (1 << reason);
1543
    } else {
1544
        wakeup_reason_mask &= ~(1 << reason);
1545
    }
1546
}
1547

    
1548
void qemu_register_wakeup_notifier(Notifier *notifier)
1549
{
1550
    notifier_list_add(&wakeup_notifiers, notifier);
1551
}
1552

    
1553
void qemu_system_killed(int signal, pid_t pid)
1554
{
1555
    shutdown_signal = signal;
1556
    shutdown_pid = pid;
1557
    no_shutdown = 0;
1558
    qemu_system_shutdown_request();
1559
}
1560

    
1561
void qemu_system_shutdown_request(void)
1562
{
1563
    shutdown_requested = 1;
1564
    qemu_notify_event();
1565
}
1566

    
1567
static void qemu_system_powerdown(void)
1568
{
1569
    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1570
    notifier_list_notify(&powerdown_notifiers, NULL);
1571
}
1572

    
1573
void qemu_system_powerdown_request(void)
1574
{
1575
    powerdown_requested = 1;
1576
    qemu_notify_event();
1577
}
1578

    
1579
void qemu_register_powerdown_notifier(Notifier *notifier)
1580
{
1581
    notifier_list_add(&powerdown_notifiers, notifier);
1582
}
1583

    
1584
void qemu_system_debug_request(void)
1585
{
1586
    debug_requested = 1;
1587
    qemu_notify_event();
1588
}
1589

    
1590
void qemu_system_vmstop_request(RunState state)
1591
{
1592
    vmstop_requested = state;
1593
    qemu_notify_event();
1594
}
1595

    
1596
static bool main_loop_should_exit(void)
1597
{
1598
    RunState r;
1599
    if (qemu_debug_requested()) {
1600
        vm_stop(RUN_STATE_DEBUG);
1601
    }
1602
    if (qemu_suspend_requested()) {
1603
        qemu_system_suspend();
1604
    }
1605
    if (qemu_shutdown_requested()) {
1606
        qemu_kill_report();
1607
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1608
        if (no_shutdown) {
1609
            vm_stop(RUN_STATE_SHUTDOWN);
1610
        } else {
1611
            return true;
1612
        }
1613
    }
1614
    if (qemu_reset_requested()) {
1615
        pause_all_vcpus();
1616
        cpu_synchronize_all_states();
1617
        qemu_system_reset(VMRESET_REPORT);
1618
        resume_all_vcpus();
1619
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1620
            runstate_check(RUN_STATE_SHUTDOWN)) {
1621
            runstate_set(RUN_STATE_PAUSED);
1622
        }
1623
    }
1624
    if (qemu_wakeup_requested()) {
1625
        pause_all_vcpus();
1626
        cpu_synchronize_all_states();
1627
        qemu_system_reset(VMRESET_SILENT);
1628
        resume_all_vcpus();
1629
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1630
    }
1631
    if (qemu_powerdown_requested()) {
1632
        qemu_system_powerdown();
1633
    }
1634
    if (qemu_vmstop_requested(&r)) {
1635
        vm_stop(r);
1636
    }
1637
    return false;
1638
}
1639

    
1640
static void main_loop(void)
1641
{
1642
    bool nonblocking;
1643
    int last_io = 0;
1644
#ifdef CONFIG_PROFILER
1645
    int64_t ti;
1646
#endif
1647
    do {
1648
        nonblocking = !kvm_enabled() && last_io > 0;
1649
#ifdef CONFIG_PROFILER
1650
        ti = profile_getclock();
1651
#endif
1652
        last_io = main_loop_wait(nonblocking);
1653
#ifdef CONFIG_PROFILER
1654
        dev_time += profile_getclock() - ti;
1655
#endif
1656
    } while (!main_loop_should_exit());
1657
}
1658

    
1659
static void version(void)
1660
{
1661
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1662
}
1663

    
1664
static void help(int exitcode)
1665
{
1666
    version();
1667
    printf("usage: %s [options] [disk_image]\n\n"
1668
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1669
            error_get_progname());
1670

    
1671
#define QEMU_OPTIONS_GENERATE_HELP
1672
#include "qemu-options-wrapper.h"
1673

    
1674
    printf("\nDuring emulation, the following keys are useful:\n"
1675
           "ctrl-alt-f      toggle full screen\n"
1676
           "ctrl-alt-n      switch to virtual console 'n'\n"
1677
           "ctrl-alt        toggle mouse and keyboard grab\n"
1678
           "\n"
1679
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1680

    
1681
    exit(exitcode);
1682
}
1683

    
1684
#define HAS_ARG 0x0001
1685

    
1686
typedef struct QEMUOption {
1687
    const char *name;
1688
    int flags;
1689
    int index;
1690
    uint32_t arch_mask;
1691
} QEMUOption;
1692

    
1693
static const QEMUOption qemu_options[] = {
1694
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1695
#define QEMU_OPTIONS_GENERATE_OPTIONS
1696
#include "qemu-options-wrapper.h"
1697
    { NULL },
1698
};
1699

    
1700
static bool vga_available(void)
1701
{
1702
    return qdev_exists("VGA") || qdev_exists("isa-vga");
1703
}
1704

    
1705
static bool cirrus_vga_available(void)
1706
{
1707
    return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1708
}
1709

    
1710
static bool vmware_vga_available(void)
1711
{
1712
    return qdev_exists("vmware-svga");
1713
}
1714

    
1715
static void select_vgahw (const char *p)
1716
{
1717
    const char *opts;
1718

    
1719
    vga_interface_type = VGA_NONE;
1720
    if (strstart(p, "std", &opts)) {
1721
        if (vga_available()) {
1722
            vga_interface_type = VGA_STD;
1723
        } else {
1724
            fprintf(stderr, "Error: standard VGA not available\n");
1725
            exit(0);
1726
        }
1727
    } else if (strstart(p, "cirrus", &opts)) {
1728
        if (cirrus_vga_available()) {
1729
            vga_interface_type = VGA_CIRRUS;
1730
        } else {
1731
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1732
            exit(0);
1733
        }
1734
    } else if (strstart(p, "vmware", &opts)) {
1735
        if (vmware_vga_available()) {
1736
            vga_interface_type = VGA_VMWARE;
1737
        } else {
1738
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1739
            exit(0);
1740
        }
1741
    } else if (strstart(p, "xenfb", &opts)) {
1742
        vga_interface_type = VGA_XENFB;
1743
    } else if (strstart(p, "qxl", &opts)) {
1744
        vga_interface_type = VGA_QXL;
1745
    } else if (!strstart(p, "none", &opts)) {
1746
    invalid_vga:
1747
        fprintf(stderr, "Unknown vga type: %s\n", p);
1748
        exit(1);
1749
    }
1750
    while (*opts) {
1751
        const char *nextopt;
1752

    
1753
        if (strstart(opts, ",retrace=", &nextopt)) {
1754
            opts = nextopt;
1755
            if (strstart(opts, "dumb", &nextopt))
1756
                vga_retrace_method = VGA_RETRACE_DUMB;
1757
            else if (strstart(opts, "precise", &nextopt))
1758
                vga_retrace_method = VGA_RETRACE_PRECISE;
1759
            else goto invalid_vga;
1760
        } else goto invalid_vga;
1761
        opts = nextopt;
1762
    }
1763
}
1764

    
1765
static DisplayType select_display(const char *p)
1766
{
1767
    const char *opts;
1768
    DisplayType display = DT_DEFAULT;
1769

    
1770
    if (strstart(p, "sdl", &opts)) {
1771
#ifdef CONFIG_SDL
1772
        display = DT_SDL;
1773
        while (*opts) {
1774
            const char *nextopt;
1775

    
1776
            if (strstart(opts, ",frame=", &nextopt)) {
1777
                opts = nextopt;
1778
                if (strstart(opts, "on", &nextopt)) {
1779
                    no_frame = 0;
1780
                } else if (strstart(opts, "off", &nextopt)) {
1781
                    no_frame = 1;
1782
                } else {
1783
                    goto invalid_sdl_args;
1784
                }
1785
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1786
                opts = nextopt;
1787
                if (strstart(opts, "on", &nextopt)) {
1788
                    alt_grab = 1;
1789
                } else if (strstart(opts, "off", &nextopt)) {
1790
                    alt_grab = 0;
1791
                } else {
1792
                    goto invalid_sdl_args;
1793
                }
1794
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1795
                opts = nextopt;
1796
                if (strstart(opts, "on", &nextopt)) {
1797
                    ctrl_grab = 1;
1798
                } else if (strstart(opts, "off", &nextopt)) {
1799
                    ctrl_grab = 0;
1800
                } else {
1801
                    goto invalid_sdl_args;
1802
                }
1803
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1804
                opts = nextopt;
1805
                if (strstart(opts, "on", &nextopt)) {
1806
                    no_quit = 0;
1807
                } else if (strstart(opts, "off", &nextopt)) {
1808
                    no_quit = 1;
1809
                } else {
1810
                    goto invalid_sdl_args;
1811
                }
1812
            } else {
1813
            invalid_sdl_args:
1814
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1815
                exit(1);
1816
            }
1817
            opts = nextopt;
1818
        }
1819
#else
1820
        fprintf(stderr, "SDL support is disabled\n");
1821
        exit(1);
1822
#endif
1823
    } else if (strstart(p, "vnc", &opts)) {
1824
#ifdef CONFIG_VNC
1825
        display_remote++;
1826

    
1827
        if (*opts) {
1828
            const char *nextopt;
1829

    
1830
            if (strstart(opts, "=", &nextopt)) {
1831
                vnc_display = nextopt;
1832
            }
1833
        }
1834
        if (!vnc_display) {
1835
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1836
            exit(1);
1837
        }
1838
#else
1839
        fprintf(stderr, "VNC support is disabled\n");
1840
        exit(1);
1841
#endif
1842
    } else if (strstart(p, "curses", &opts)) {
1843
#ifdef CONFIG_CURSES
1844
        display = DT_CURSES;
1845
#else
1846
        fprintf(stderr, "Curses support is disabled\n");
1847
        exit(1);
1848
#endif
1849
    } else if (strstart(p, "none", &opts)) {
1850
        display = DT_NONE;
1851
    } else {
1852
        fprintf(stderr, "Unknown display type: %s\n", p);
1853
        exit(1);
1854
    }
1855

    
1856
    return display;
1857
}
1858

    
1859
static int balloon_parse(const char *arg)
1860
{
1861
    QemuOpts *opts;
1862

    
1863
    if (strcmp(arg, "none") == 0) {
1864
        return 0;
1865
    }
1866

    
1867
    if (!strncmp(arg, "virtio", 6)) {
1868
        if (arg[6] == ',') {
1869
            /* have params -> parse them */
1870
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1871
            if (!opts)
1872
                return  -1;
1873
        } else {
1874
            /* create empty opts */
1875
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1876
        }
1877
        qemu_opt_set(opts, "driver", "virtio-balloon");
1878
        return 0;
1879
    }
1880

    
1881
    return -1;
1882
}
1883

    
1884
char *qemu_find_file(int type, const char *name)
1885
{
1886
    int len;
1887
    const char *subdir;
1888
    char *buf;
1889

    
1890
    /* Try the name as a straight path first */
1891
    if (access(name, R_OK) == 0) {
1892
        return g_strdup(name);
1893
    }
1894
    switch (type) {
1895
    case QEMU_FILE_TYPE_BIOS:
1896
        subdir = "";
1897
        break;
1898
    case QEMU_FILE_TYPE_KEYMAP:
1899
        subdir = "keymaps/";
1900
        break;
1901
    default:
1902
        abort();
1903
    }
1904
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1905
    buf = g_malloc0(len);
1906
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1907
    if (access(buf, R_OK)) {
1908
        g_free(buf);
1909
        return NULL;
1910
    }
1911
    return buf;
1912
}
1913

    
1914
static int device_help_func(QemuOpts *opts, void *opaque)
1915
{
1916
    return qdev_device_help(opts);
1917
}
1918

    
1919
static int device_init_func(QemuOpts *opts, void *opaque)
1920
{
1921
    DeviceState *dev;
1922

    
1923
    dev = qdev_device_add(opts);
1924
    if (!dev)
1925
        return -1;
1926
    return 0;
1927
}
1928

    
1929
static int chardev_init_func(QemuOpts *opts, void *opaque)
1930
{
1931
    CharDriverState *chr;
1932

    
1933
    chr = qemu_chr_new_from_opts(opts, NULL);
1934
    if (!chr)
1935
        return -1;
1936
    return 0;
1937
}
1938

    
1939
#ifdef CONFIG_VIRTFS
1940
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1941
{
1942
    int ret;
1943
    ret = qemu_fsdev_add(opts);
1944

    
1945
    return ret;
1946
}
1947
#endif
1948

    
1949
static int mon_init_func(QemuOpts *opts, void *opaque)
1950
{
1951
    CharDriverState *chr;
1952
    const char *chardev;
1953
    const char *mode;
1954
    int flags;
1955

    
1956
    mode = qemu_opt_get(opts, "mode");
1957
    if (mode == NULL) {
1958
        mode = "readline";
1959
    }
1960
    if (strcmp(mode, "readline") == 0) {
1961
        flags = MONITOR_USE_READLINE;
1962
    } else if (strcmp(mode, "control") == 0) {
1963
        flags = MONITOR_USE_CONTROL;
1964
    } else {
1965
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1966
        exit(1);
1967
    }
1968

    
1969
    if (qemu_opt_get_bool(opts, "pretty", 0))
1970
        flags |= MONITOR_USE_PRETTY;
1971

    
1972
    if (qemu_opt_get_bool(opts, "default", 0))
1973
        flags |= MONITOR_IS_DEFAULT;
1974

    
1975
    chardev = qemu_opt_get(opts, "chardev");
1976
    chr = qemu_chr_find(chardev);
1977
    if (chr == NULL) {
1978
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1979
        exit(1);
1980
    }
1981

    
1982
    monitor_init(chr, flags);
1983
    return 0;
1984
}
1985

    
1986
static void monitor_parse(const char *optarg, const char *mode)
1987
{
1988
    static int monitor_device_index = 0;
1989
    QemuOpts *opts;
1990
    const char *p;
1991
    char label[32];
1992
    int def = 0;
1993

    
1994
    if (strstart(optarg, "chardev:", &p)) {
1995
        snprintf(label, sizeof(label), "%s", p);
1996
    } else {
1997
        snprintf(label, sizeof(label), "compat_monitor%d",
1998
                 monitor_device_index);
1999
        if (monitor_device_index == 0) {
2000
            def = 1;
2001
        }
2002
        opts = qemu_chr_parse_compat(label, optarg);
2003
        if (!opts) {
2004
            fprintf(stderr, "parse error: %s\n", optarg);
2005
            exit(1);
2006
        }
2007
    }
2008

    
2009
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2010
    if (!opts) {
2011
        fprintf(stderr, "duplicate chardev: %s\n", label);
2012
        exit(1);
2013
    }
2014
    qemu_opt_set(opts, "mode", mode);
2015
    qemu_opt_set(opts, "chardev", label);
2016
    if (def)
2017
        qemu_opt_set(opts, "default", "on");
2018
    monitor_device_index++;
2019
}
2020

    
2021
struct device_config {
2022
    enum {
2023
        DEV_USB,       /* -usbdevice     */
2024
        DEV_BT,        /* -bt            */
2025
        DEV_SERIAL,    /* -serial        */
2026
        DEV_PARALLEL,  /* -parallel      */
2027
        DEV_VIRTCON,   /* -virtioconsole */
2028
        DEV_DEBUGCON,  /* -debugcon */
2029
        DEV_GDB,       /* -gdb, -s */
2030
    } type;
2031
    const char *cmdline;
2032
    Location loc;
2033
    QTAILQ_ENTRY(device_config) next;
2034
};
2035
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2036

    
2037
static void add_device_config(int type, const char *cmdline)
2038
{
2039
    struct device_config *conf;
2040

    
2041
    conf = g_malloc0(sizeof(*conf));
2042
    conf->type = type;
2043
    conf->cmdline = cmdline;
2044
    loc_save(&conf->loc);
2045
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2046
}
2047

    
2048
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2049
{
2050
    struct device_config *conf;
2051
    int rc;
2052

    
2053
    QTAILQ_FOREACH(conf, &device_configs, next) {
2054
        if (conf->type != type)
2055
            continue;
2056
        loc_push_restore(&conf->loc);
2057
        rc = func(conf->cmdline);
2058
        loc_pop(&conf->loc);
2059
        if (0 != rc)
2060
            return rc;
2061
    }
2062
    return 0;
2063
}
2064

    
2065
static int serial_parse(const char *devname)
2066
{
2067
    static int index = 0;
2068
    char label[32];
2069

    
2070
    if (strcmp(devname, "none") == 0)
2071
        return 0;
2072
    if (index == MAX_SERIAL_PORTS) {
2073
        fprintf(stderr, "qemu: too many serial ports\n");
2074
        exit(1);
2075
    }
2076
    snprintf(label, sizeof(label), "serial%d", index);
2077
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2078
    if (!serial_hds[index]) {
2079
        fprintf(stderr, "qemu: could not connect serial device"
2080
                " to character backend '%s'\n", devname);
2081
        return -1;
2082
    }
2083
    index++;
2084
    return 0;
2085
}
2086

    
2087
static int parallel_parse(const char *devname)
2088
{
2089
    static int index = 0;
2090
    char label[32];
2091

    
2092
    if (strcmp(devname, "none") == 0)
2093
        return 0;
2094
    if (index == MAX_PARALLEL_PORTS) {
2095
        fprintf(stderr, "qemu: too many parallel ports\n");
2096
        exit(1);
2097
    }
2098
    snprintf(label, sizeof(label), "parallel%d", index);
2099
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2100
    if (!parallel_hds[index]) {
2101
        fprintf(stderr, "qemu: could not connect parallel device"
2102
                " to character backend '%s'\n", devname);
2103
        return -1;
2104
    }
2105
    index++;
2106
    return 0;
2107
}
2108

    
2109
static int virtcon_parse(const char *devname)
2110
{
2111
    QemuOptsList *device = qemu_find_opts("device");
2112
    static int index = 0;
2113
    char label[32];
2114
    QemuOpts *bus_opts, *dev_opts;
2115

    
2116
    if (strcmp(devname, "none") == 0)
2117
        return 0;
2118
    if (index == MAX_VIRTIO_CONSOLES) {
2119
        fprintf(stderr, "qemu: too many virtio consoles\n");
2120
        exit(1);
2121
    }
2122

    
2123
    bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2124
    if (arch_type == QEMU_ARCH_S390X) {
2125
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2126
    } else {
2127
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2128
    } 
2129

    
2130
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2131
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2132

    
2133
    snprintf(label, sizeof(label), "virtcon%d", index);
2134
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2135
    if (!virtcon_hds[index]) {
2136
        fprintf(stderr, "qemu: could not connect virtio console"
2137
                " to character backend '%s'\n", devname);
2138
        return -1;
2139
    }
2140
    qemu_opt_set(dev_opts, "chardev", label);
2141

    
2142
    index++;
2143
    return 0;
2144
}
2145

    
2146
static int debugcon_parse(const char *devname)
2147
{   
2148
    QemuOpts *opts;
2149

    
2150
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2151
        exit(1);
2152
    }
2153
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2154
    if (!opts) {
2155
        fprintf(stderr, "qemu: already have a debugcon device\n");
2156
        exit(1);
2157
    }
2158
    qemu_opt_set(opts, "driver", "isa-debugcon");
2159
    qemu_opt_set(opts, "chardev", "debugcon");
2160
    return 0;
2161
}
2162

    
2163
static QEMUMachine *machine_parse(const char *name)
2164
{
2165
    QEMUMachine *m, *machine = NULL;
2166

    
2167
    if (name) {
2168
        machine = find_machine(name);
2169
    }
2170
    if (machine) {
2171
        return machine;
2172
    }
2173
    printf("Supported machines are:\n");
2174
    for (m = first_machine; m != NULL; m = m->next) {
2175
        if (m->alias) {
2176
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2177
        }
2178
        printf("%-20s %s%s\n", m->name, m->desc,
2179
               m->is_default ? " (default)" : "");
2180
    }
2181
    exit(!name || !is_help_option(name));
2182
}
2183

    
2184
static int tcg_init(void)
2185
{
2186
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2187
    return 0;
2188
}
2189

    
2190
static struct {
2191
    const char *opt_name;
2192
    const char *name;
2193
    int (*available)(void);
2194
    int (*init)(void);
2195
    int *allowed;
2196
} accel_list[] = {
2197
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2198
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2199
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2200
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2201
};
2202

    
2203
static int configure_accelerator(void)
2204
{
2205
    const char *p = NULL;
2206
    char buf[10];
2207
    int i, ret;
2208
    bool accel_initialised = 0;
2209
    bool init_failed = 0;
2210

    
2211
    QemuOptsList *list = qemu_find_opts("machine");
2212
    if (!QTAILQ_EMPTY(&list->head)) {
2213
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2214
    }
2215

    
2216
    if (p == NULL) {
2217
        /* Use the default "accelerator", tcg */
2218
        p = "tcg";
2219
    }
2220

    
2221
    while (!accel_initialised && *p != '\0') {
2222
        if (*p == ':') {
2223
            p++;
2224
        }
2225
        p = get_opt_name(buf, sizeof (buf), p, ':');
2226
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2227
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2228
                *(accel_list[i].allowed) = 1;
2229
                ret = accel_list[i].init();
2230
                if (ret < 0) {
2231
                    init_failed = 1;
2232
                    if (!accel_list[i].available()) {
2233
                        printf("%s not supported for this target\n",
2234
                               accel_list[i].name);
2235
                    } else {
2236
                        fprintf(stderr, "failed to initialize %s: %s\n",
2237
                                accel_list[i].name,
2238
                                strerror(-ret));
2239
                    }
2240
                    *(accel_list[i].allowed) = 0;
2241
                } else {
2242
                    accel_initialised = 1;
2243
                }
2244
                break;
2245
            }
2246
        }
2247
        if (i == ARRAY_SIZE(accel_list)) {
2248
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2249
        }
2250
    }
2251

    
2252
    if (!accel_initialised) {
2253
        fprintf(stderr, "No accelerator found!\n");
2254
        exit(1);
2255
    }
2256

    
2257
    if (init_failed) {
2258
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2259
    }
2260

    
2261
    return !accel_initialised;
2262
}
2263

    
2264
void qemu_add_exit_notifier(Notifier *notify)
2265
{
2266
    notifier_list_add(&exit_notifiers, notify);
2267
}
2268

    
2269
void qemu_remove_exit_notifier(Notifier *notify)
2270
{
2271
    notifier_remove(notify);
2272
}
2273

    
2274
static void qemu_run_exit_notifiers(void)
2275
{
2276
    notifier_list_notify(&exit_notifiers, NULL);
2277
}
2278

    
2279
void qemu_add_machine_init_done_notifier(Notifier *notify)
2280
{
2281
    notifier_list_add(&machine_init_done_notifiers, notify);
2282
}
2283

    
2284
static void qemu_run_machine_init_done_notifiers(void)
2285
{
2286
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2287
}
2288

    
2289
static const QEMUOption *lookup_opt(int argc, char **argv,
2290
                                    const char **poptarg, int *poptind)
2291
{
2292
    const QEMUOption *popt;
2293
    int optind = *poptind;
2294
    char *r = argv[optind];
2295
    const char *optarg;
2296

    
2297
    loc_set_cmdline(argv, optind, 1);
2298
    optind++;
2299
    /* Treat --foo the same as -foo.  */
2300
    if (r[1] == '-')
2301
        r++;
2302
    popt = qemu_options;
2303
    for(;;) {
2304
        if (!popt->name) {
2305
            error_report("invalid option");
2306
            exit(1);
2307
        }
2308
        if (!strcmp(popt->name, r + 1))
2309
            break;
2310
        popt++;
2311
    }
2312
    if (popt->flags & HAS_ARG) {
2313
        if (optind >= argc) {
2314
            error_report("requires an argument");
2315
            exit(1);
2316
        }
2317
        optarg = argv[optind++];
2318
        loc_set_cmdline(argv, optind - 2, 2);
2319
    } else {
2320
        optarg = NULL;
2321
    }
2322

    
2323
    *poptarg = optarg;
2324
    *poptind = optind;
2325

    
2326
    return popt;
2327
}
2328

    
2329
static gpointer malloc_and_trace(gsize n_bytes)
2330
{
2331
    void *ptr = malloc(n_bytes);
2332
    trace_g_malloc(n_bytes, ptr);
2333
    return ptr;
2334
}
2335

    
2336
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2337
{
2338
    void *ptr = realloc(mem, n_bytes);
2339
    trace_g_realloc(mem, n_bytes, ptr);
2340
    return ptr;
2341
}
2342

    
2343
static void free_and_trace(gpointer mem)
2344
{
2345
    trace_g_free(mem);
2346
    free(mem);
2347
}
2348

    
2349
int qemu_init_main_loop(void)
2350
{
2351
    return main_loop_init();
2352
}
2353

    
2354
int main(int argc, char **argv, char **envp)
2355
{
2356
    int i;
2357
    int snapshot, linux_boot;
2358
    const char *icount_option = NULL;
2359
    const char *initrd_filename;
2360
    const char *kernel_filename, *kernel_cmdline;
2361
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2362
    DisplayState *ds;
2363
    DisplayChangeListener *dcl;
2364
    int cyls, heads, secs, translation;
2365
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2366
    QemuOptsList *olist;
2367
    int optind;
2368
    const char *optarg;
2369
    const char *loadvm = NULL;
2370
    QEMUMachine *machine;
2371
    const char *cpu_model;
2372
    const char *vga_model = "none";
2373
    const char *pid_file = NULL;
2374
    const char *incoming = NULL;
2375
#ifdef CONFIG_VNC
2376
    int show_vnc_port = 0;
2377
#endif
2378
    bool defconfig = true;
2379
    bool userconfig = true;
2380
    const char *log_mask = NULL;
2381
    const char *log_file = NULL;
2382
    GMemVTable mem_trace = {
2383
        .malloc = malloc_and_trace,
2384
        .realloc = realloc_and_trace,
2385
        .free = free_and_trace,
2386
    };
2387
    const char *trace_events = NULL;
2388
    const char *trace_file = NULL;
2389

    
2390
    atexit(qemu_run_exit_notifiers);
2391
    error_set_progname(argv[0]);
2392

    
2393
    g_mem_set_vtable(&mem_trace);
2394
    if (!g_thread_supported()) {
2395
#if !GLIB_CHECK_VERSION(2, 31, 0)
2396
        g_thread_init(NULL);
2397
#else
2398
        fprintf(stderr, "glib threading failed to initialize.\n");
2399
        exit(1);
2400
#endif
2401
    }
2402

    
2403
    module_call_init(MODULE_INIT_QOM);
2404

    
2405
    runstate_init();
2406

    
2407
    init_clocks();
2408
    rtc_clock = host_clock;
2409

    
2410
    qemu_cache_utils_init(envp);
2411

    
2412
    QLIST_INIT (&vm_change_state_head);
2413
    os_setup_early_signal_handling();
2414

    
2415
    module_call_init(MODULE_INIT_MACHINE);
2416
    machine = find_default_machine();
2417
    cpu_model = NULL;
2418
    ram_size = 0;
2419
    snapshot = 0;
2420
    cyls = heads = secs = 0;
2421
    translation = BIOS_ATA_TRANSLATION_AUTO;
2422

    
2423
    for (i = 0; i < MAX_NODES; i++) {
2424
        node_mem[i] = 0;
2425
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2426
    }
2427

    
2428
    nb_numa_nodes = 0;
2429
    nb_nics = 0;
2430

    
2431
    autostart= 1;
2432

    
2433
    /* first pass of option parsing */
2434
    optind = 1;
2435
    while (optind < argc) {
2436
        if (argv[optind][0] != '-') {
2437
            /* disk image */
2438
            optind++;
2439
            continue;
2440
        } else {
2441
            const QEMUOption *popt;
2442

    
2443
            popt = lookup_opt(argc, argv, &optarg, &optind);
2444
            switch (popt->index) {
2445
            case QEMU_OPTION_nodefconfig:
2446
                defconfig = false;
2447
                break;
2448
            case QEMU_OPTION_nouserconfig:
2449
                userconfig = false;
2450
                break;
2451
            }
2452
        }
2453
    }
2454

    
2455
    if (defconfig) {
2456
        int ret;
2457
        ret = qemu_read_default_config_files(userconfig);
2458
        if (ret < 0) {
2459
            exit(1);
2460
        }
2461
    }
2462

    
2463
    /* second pass of option parsing */
2464
    optind = 1;
2465
    for(;;) {
2466
        if (optind >= argc)
2467
            break;
2468
        if (argv[optind][0] != '-') {
2469
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2470
        } else {
2471
            const QEMUOption *popt;
2472

    
2473
            popt = lookup_opt(argc, argv, &optarg, &optind);
2474
            if (!(popt->arch_mask & arch_type)) {
2475
                printf("Option %s not supported for this target\n", popt->name);
2476
                exit(1);
2477
            }
2478
            switch(popt->index) {
2479
            case QEMU_OPTION_M:
2480
                machine = machine_parse(optarg);
2481
                break;
2482
            case QEMU_OPTION_cpu:
2483
                /* hw initialization will check this */
2484
                cpu_model = optarg;
2485
                break;
2486
            case QEMU_OPTION_hda:
2487
                {
2488
                    char buf[256];
2489
                    if (cyls == 0)
2490
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2491
                    else
2492
                        snprintf(buf, sizeof(buf),
2493
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2494
                                 HD_OPTS , cyls, heads, secs,
2495
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2496
                                 ",trans=lba" :
2497
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2498
                                 ",trans=none" : "");
2499
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2500
                    break;
2501
                }
2502
            case QEMU_OPTION_hdb:
2503
            case QEMU_OPTION_hdc:
2504
            case QEMU_OPTION_hdd:
2505
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2506
                          HD_OPTS);
2507
                break;
2508
            case QEMU_OPTION_drive:
2509
                if (drive_def(optarg) == NULL) {
2510
                    exit(1);
2511
                }
2512
                break;
2513
            case QEMU_OPTION_set:
2514
                if (qemu_set_option(optarg) != 0)
2515
                    exit(1);
2516
                break;
2517
            case QEMU_OPTION_global:
2518
                if (qemu_global_option(optarg) != 0)
2519
                    exit(1);
2520
                break;
2521
            case QEMU_OPTION_mtdblock:
2522
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2523
                break;
2524
            case QEMU_OPTION_sd:
2525
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2526
                break;
2527
            case QEMU_OPTION_pflash:
2528
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2529
                break;
2530
            case QEMU_OPTION_snapshot:
2531
                snapshot = 1;
2532
                break;
2533
            case QEMU_OPTION_hdachs:
2534
                {
2535
                    const char *p;
2536
                    p = optarg;
2537
                    cyls = strtol(p, (char **)&p, 0);
2538
                    if (cyls < 1 || cyls > 16383)
2539
                        goto chs_fail;
2540
                    if (*p != ',')
2541
                        goto chs_fail;
2542
                    p++;
2543
                    heads = strtol(p, (char **)&p, 0);
2544
                    if (heads < 1 || heads > 16)
2545
                        goto chs_fail;
2546
                    if (*p != ',')
2547
                        goto chs_fail;
2548
                    p++;
2549
                    secs = strtol(p, (char **)&p, 0);
2550
                    if (secs < 1 || secs > 63)
2551
                        goto chs_fail;
2552
                    if (*p == ',') {
2553
                        p++;
2554
                        if (!strcmp(p, "none"))
2555
                            translation = BIOS_ATA_TRANSLATION_NONE;
2556
                        else if (!strcmp(p, "lba"))
2557
                            translation = BIOS_ATA_TRANSLATION_LBA;
2558
                        else if (!strcmp(p, "auto"))
2559
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2560
                        else
2561
                            goto chs_fail;
2562
                    } else if (*p != '\0') {
2563
                    chs_fail:
2564
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2565
                        exit(1);
2566
                    }
2567
                    if (hda_opts != NULL) {
2568
                        char num[16];
2569
                        snprintf(num, sizeof(num), "%d", cyls);
2570
                        qemu_opt_set(hda_opts, "cyls", num);
2571
                        snprintf(num, sizeof(num), "%d", heads);
2572
                        qemu_opt_set(hda_opts, "heads", num);
2573
                        snprintf(num, sizeof(num), "%d", secs);
2574
                        qemu_opt_set(hda_opts, "secs", num);
2575
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2576
                            qemu_opt_set(hda_opts, "trans", "lba");
2577
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2578
                            qemu_opt_set(hda_opts, "trans", "none");
2579
                    }
2580
                }
2581
                break;
2582
            case QEMU_OPTION_numa:
2583
                if (nb_numa_nodes >= MAX_NODES) {
2584
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2585
                    exit(1);
2586
                }
2587
                numa_add(optarg);
2588
                break;
2589
            case QEMU_OPTION_display:
2590
                display_type = select_display(optarg);
2591
                break;
2592
            case QEMU_OPTION_nographic:
2593
                display_type = DT_NOGRAPHIC;
2594
                break;
2595
            case QEMU_OPTION_curses:
2596
#ifdef CONFIG_CURSES
2597
                display_type = DT_CURSES;
2598
#else
2599
                fprintf(stderr, "Curses support is disabled\n");
2600
                exit(1);
2601
#endif
2602
                break;
2603
            case QEMU_OPTION_portrait:
2604
                graphic_rotate = 90;
2605
                break;
2606
            case QEMU_OPTION_rotate:
2607
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2608
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2609
                    graphic_rotate != 180 && graphic_rotate != 270) {
2610
                    fprintf(stderr,
2611
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2612
                    exit(1);
2613
                }
2614
                break;
2615
            case QEMU_OPTION_kernel:
2616
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2617
                break;
2618
            case QEMU_OPTION_initrd:
2619
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2620
                break;
2621
            case QEMU_OPTION_append:
2622
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2623
                break;
2624
            case QEMU_OPTION_dtb:
2625
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2626
                break;
2627
            case QEMU_OPTION_cdrom:
2628
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2629
                break;
2630
            case QEMU_OPTION_boot:
2631
                {
2632
                    static const char * const params[] = {
2633
                        "order", "once", "menu",
2634
                        "splash", "splash-time",
2635
                        "reboot-timeout", NULL
2636
                    };
2637
                    char buf[sizeof(boot_devices)];
2638
                    char *standard_boot_devices;
2639
                    int legacy = 0;
2640

    
2641
                    if (!strchr(optarg, '=')) {
2642
                        legacy = 1;
2643
                        pstrcpy(buf, sizeof(buf), optarg);
2644
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2645
                        fprintf(stderr,
2646
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2647
                                buf, optarg);
2648
                        exit(1);
2649
                    }
2650

    
2651
                    if (legacy ||
2652
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2653
                        validate_bootdevices(buf);
2654
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2655
                    }
2656
                    if (!legacy) {
2657
                        if (get_param_value(buf, sizeof(buf),
2658
                                            "once", optarg)) {
2659
                            validate_bootdevices(buf);
2660
                            standard_boot_devices = g_strdup(boot_devices);
2661
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2662
                            qemu_register_reset(restore_boot_devices,
2663
                                                standard_boot_devices);
2664
                        }
2665
                        if (get_param_value(buf, sizeof(buf),
2666
                                            "menu", optarg)) {
2667
                            if (!strcmp(buf, "on")) {
2668
                                boot_menu = 1;
2669
                            } else if (!strcmp(buf, "off")) {
2670
                                boot_menu = 0;
2671
                            } else {
2672
                                fprintf(stderr,
2673
                                        "qemu: invalid option value '%s'\n",
2674
                                        buf);
2675
                                exit(1);
2676
                            }
2677
                        }
2678
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2679
                                        optarg, 0);
2680
                    }
2681
                }
2682
                break;
2683
            case QEMU_OPTION_fda:
2684
            case QEMU_OPTION_fdb:
2685
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2686
                          optarg, FD_OPTS);
2687
                break;
2688
            case QEMU_OPTION_no_fd_bootchk:
2689
                fd_bootchk = 0;
2690
                break;
2691
            case QEMU_OPTION_netdev:
2692
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2693
                    exit(1);
2694
                }
2695
                break;
2696
            case QEMU_OPTION_net:
2697
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2698
                    exit(1);
2699
                }
2700
                break;
2701
#ifdef CONFIG_LIBISCSI
2702
            case QEMU_OPTION_iscsi:
2703
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2704
                if (!opts) {
2705
                    exit(1);
2706
                }
2707
                break;
2708
#endif
2709
#ifdef CONFIG_SLIRP
2710
            case QEMU_OPTION_tftp:
2711
                legacy_tftp_prefix = optarg;
2712
                break;
2713
            case QEMU_OPTION_bootp:
2714
                legacy_bootp_filename = optarg;
2715
                break;
2716
            case QEMU_OPTION_redir:
2717
                if (net_slirp_redir(optarg) < 0)
2718
                    exit(1);
2719
                break;
2720
#endif
2721
            case QEMU_OPTION_bt:
2722
                add_device_config(DEV_BT, optarg);
2723
                break;
2724
            case QEMU_OPTION_audio_help:
2725
                if (!(audio_available())) {
2726
                    printf("Option %s not supported for this target\n", popt->name);
2727
                    exit(1);
2728
                }
2729
                AUD_help ();
2730
                exit (0);
2731
                break;
2732
            case QEMU_OPTION_soundhw:
2733
                if (!(audio_available())) {
2734
                    printf("Option %s not supported for this target\n", popt->name);
2735
                    exit(1);
2736
                }
2737
                select_soundhw (optarg);
2738
                break;
2739
            case QEMU_OPTION_h:
2740
                help(0);
2741
                break;
2742
            case QEMU_OPTION_version:
2743
                version();
2744
                exit(0);
2745
                break;
2746
            case QEMU_OPTION_m: {
2747
                int64_t value;
2748
                uint64_t sz;
2749
                char *end;
2750

    
2751
                value = strtosz(optarg, &end);
2752
                if (value < 0 || *end) {
2753
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2754
                    exit(1);
2755
                }
2756
                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2757
                ram_size = sz;
2758
                if (ram_size != sz) {
2759
                    fprintf(stderr, "qemu: ram size too large\n");
2760
                    exit(1);
2761
                }
2762
                break;
2763
            }
2764
            case QEMU_OPTION_mempath:
2765
                mem_path = optarg;
2766
                break;
2767
#ifdef MAP_POPULATE
2768
            case QEMU_OPTION_mem_prealloc:
2769
                mem_prealloc = 1;
2770
                break;
2771
#endif
2772
            case QEMU_OPTION_d:
2773
                log_mask = optarg;
2774
                break;
2775
            case QEMU_OPTION_D:
2776
                log_file = optarg;
2777
                break;
2778
            case QEMU_OPTION_s:
2779
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2780
                break;
2781
            case QEMU_OPTION_gdb:
2782
                add_device_config(DEV_GDB, optarg);
2783
                break;
2784
            case QEMU_OPTION_L:
2785
                data_dir = optarg;
2786
                break;
2787
            case QEMU_OPTION_bios:
2788
                bios_name = optarg;
2789
                break;
2790
            case QEMU_OPTION_singlestep:
2791
                singlestep = 1;
2792
                break;
2793
            case QEMU_OPTION_S:
2794
                autostart = 0;
2795
                break;
2796
            case QEMU_OPTION_k:
2797
                keyboard_layout = optarg;
2798
                break;
2799
            case QEMU_OPTION_localtime:
2800
                rtc_utc = 0;
2801
                break;
2802
            case QEMU_OPTION_vga:
2803
                vga_model = optarg;
2804
                default_vga = 0;
2805
                break;
2806
            case QEMU_OPTION_g:
2807
                {
2808
                    const char *p;
2809
                    int w, h, depth;
2810
                    p = optarg;
2811
                    w = strtol(p, (char **)&p, 10);
2812
                    if (w <= 0) {
2813
                    graphic_error:
2814
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2815
                        exit(1);
2816
                    }
2817
                    if (*p != 'x')
2818
                        goto graphic_error;
2819
                    p++;
2820
                    h = strtol(p, (char **)&p, 10);
2821
                    if (h <= 0)
2822
                        goto graphic_error;
2823
                    if (*p == 'x') {
2824
                        p++;
2825
                        depth = strtol(p, (char **)&p, 10);
2826
                        if (depth != 8 && depth != 15 && depth != 16 &&
2827
                            depth != 24 && depth != 32)
2828
                            goto graphic_error;
2829
                    } else if (*p == '\0') {
2830
                        depth = graphic_depth;
2831
                    } else {
2832
                        goto graphic_error;
2833
                    }
2834

    
2835
                    graphic_width = w;
2836
                    graphic_height = h;
2837
                    graphic_depth = depth;
2838
                }
2839
                break;
2840
            case QEMU_OPTION_echr:
2841
                {
2842
                    char *r;
2843
                    term_escape_char = strtol(optarg, &r, 0);
2844
                    if (r == optarg)
2845
                        printf("Bad argument to echr\n");
2846
                    break;
2847
                }
2848
            case QEMU_OPTION_monitor:
2849
                monitor_parse(optarg, "readline");
2850
                default_monitor = 0;
2851
                break;
2852
            case QEMU_OPTION_qmp:
2853
                monitor_parse(optarg, "control");
2854
                default_monitor = 0;
2855
                break;
2856
            case QEMU_OPTION_mon:
2857
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2858
                if (!opts) {
2859
                    exit(1);
2860
                }
2861
                default_monitor = 0;
2862
                break;
2863
            case QEMU_OPTION_chardev:
2864
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2865
                if (!opts) {
2866
                    exit(1);
2867
                }
2868
                break;
2869
            case QEMU_OPTION_fsdev:
2870
                olist = qemu_find_opts("fsdev");
2871
                if (!olist) {
2872
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2873
                    exit(1);
2874
                }
2875
                opts = qemu_opts_parse(olist, optarg, 1);
2876
                if (!opts) {
2877
                    fprintf(stderr, "parse error: %s\n", optarg);
2878
                    exit(1);
2879
                }
2880
                break;
2881
            case QEMU_OPTION_virtfs: {
2882
                QemuOpts *fsdev;
2883
                QemuOpts *device;
2884
                const char *writeout, *sock_fd, *socket;
2885

    
2886
                olist = qemu_find_opts("virtfs");
2887
                if (!olist) {
2888
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2889
                    exit(1);
2890
                }
2891
                opts = qemu_opts_parse(olist, optarg, 1);
2892
                if (!opts) {
2893
                    fprintf(stderr, "parse error: %s\n", optarg);
2894
                    exit(1);
2895
                }
2896

    
2897
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
2898
                    qemu_opt_get(opts, "mount_tag") == NULL) {
2899
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2900
                    exit(1);
2901
                }
2902
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2903
                                         qemu_opt_get(opts, "mount_tag"),
2904
                                         1, NULL);
2905
                if (!fsdev) {
2906
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2907
                            qemu_opt_get(opts, "mount_tag"));
2908
                    exit(1);
2909
                }
2910

    
2911
                writeout = qemu_opt_get(opts, "writeout");
2912
                if (writeout) {
2913
#ifdef CONFIG_SYNC_FILE_RANGE
2914
                    qemu_opt_set(fsdev, "writeout", writeout);
2915
#else
2916
                    fprintf(stderr, "writeout=immediate not supported on "
2917
                            "this platform\n");
2918
                    exit(1);
2919
#endif
2920
                }
2921
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2922
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2923
                qemu_opt_set(fsdev, "security_model",
2924
                             qemu_opt_get(opts, "security_model"));
2925
                socket = qemu_opt_get(opts, "socket");
2926
                if (socket) {
2927
                    qemu_opt_set(fsdev, "socket", socket);
2928
                }
2929
                sock_fd = qemu_opt_get(opts, "sock_fd");
2930
                if (sock_fd) {
2931
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
2932
                }
2933

    
2934
                qemu_opt_set_bool(fsdev, "readonly",
2935
                                qemu_opt_get_bool(opts, "readonly", 0));
2936
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2937
                                          NULL);
2938
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2939
                qemu_opt_set(device, "fsdev",
2940
                             qemu_opt_get(opts, "mount_tag"));
2941
                qemu_opt_set(device, "mount_tag",
2942
                             qemu_opt_get(opts, "mount_tag"));
2943
                break;
2944
            }
2945
            case QEMU_OPTION_virtfs_synth: {
2946
                QemuOpts *fsdev;
2947
                QemuOpts *device;
2948

    
2949
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2950
                                         1, NULL);
2951
                if (!fsdev) {
2952
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2953
                    exit(1);
2954
                }
2955
                qemu_opt_set(fsdev, "fsdriver", "synth");
2956

    
2957
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2958
                                          NULL);
2959
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2960
                qemu_opt_set(device, "fsdev", "v_synth");
2961
                qemu_opt_set(device, "mount_tag", "v_synth");
2962
                break;
2963
            }
2964
            case QEMU_OPTION_serial:
2965
                add_device_config(DEV_SERIAL, optarg);
2966
                default_serial = 0;
2967
                if (strncmp(optarg, "mon:", 4) == 0) {
2968
                    default_monitor = 0;
2969
                }
2970
                break;
2971
            case QEMU_OPTION_watchdog:
2972
                if (watchdog) {
2973
                    fprintf(stderr,
2974
                            "qemu: only one watchdog option may be given\n");
2975
                    return 1;
2976
                }
2977
                watchdog = optarg;
2978
                break;
2979
            case QEMU_OPTION_watchdog_action:
2980
                if (select_watchdog_action(optarg) == -1) {
2981
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2982
                    exit(1);
2983
                }
2984
                break;
2985
            case QEMU_OPTION_virtiocon:
2986
                add_device_config(DEV_VIRTCON, optarg);
2987
                default_virtcon = 0;
2988
                if (strncmp(optarg, "mon:", 4) == 0) {
2989
                    default_monitor = 0;
2990
                }
2991
                break;
2992
            case QEMU_OPTION_parallel:
2993
                add_device_config(DEV_PARALLEL, optarg);
2994
                default_parallel = 0;
2995
                if (strncmp(optarg, "mon:", 4) == 0) {
2996
                    default_monitor = 0;
2997
                }
2998
                break;
2999
            case QEMU_OPTION_debugcon:
3000
                add_device_config(DEV_DEBUGCON, optarg);
3001
                break;
3002
            case QEMU_OPTION_loadvm:
3003
                loadvm = optarg;
3004
                break;
3005
            case QEMU_OPTION_full_screen:
3006
                full_screen = 1;
3007
                break;
3008
#ifdef CONFIG_SDL
3009
            case QEMU_OPTION_no_frame:
3010
                no_frame = 1;
3011
                break;
3012
            case QEMU_OPTION_alt_grab:
3013
                alt_grab = 1;
3014
                break;
3015
            case QEMU_OPTION_ctrl_grab:
3016
                ctrl_grab = 1;
3017
                break;
3018
            case QEMU_OPTION_no_quit:
3019
                no_quit = 1;
3020
                break;
3021
            case QEMU_OPTION_sdl:
3022
                display_type = DT_SDL;
3023
                break;
3024
#else
3025
            case QEMU_OPTION_no_frame:
3026
            case QEMU_OPTION_alt_grab:
3027
            case QEMU_OPTION_ctrl_grab:
3028
            case QEMU_OPTION_no_quit:
3029
            case QEMU_OPTION_sdl:
3030
                fprintf(stderr, "SDL support is disabled\n");
3031
                exit(1);
3032
#endif
3033
            case QEMU_OPTION_pidfile:
3034
                pid_file = optarg;
3035
                break;
3036
            case QEMU_OPTION_win2k_hack:
3037
                win2k_install_hack = 1;
3038
                break;
3039
            case QEMU_OPTION_rtc_td_hack: {
3040
                static GlobalProperty slew_lost_ticks[] = {
3041
                    {
3042
                        .driver   = "mc146818rtc",
3043
                        .property = "lost_tick_policy",
3044
                        .value    = "slew",
3045
                    },
3046
                    { /* end of list */ }
3047
                };
3048

    
3049
                qdev_prop_register_global_list(slew_lost_ticks);
3050
                break;
3051
            }
3052
            case QEMU_OPTION_acpitable:
3053
                do_acpitable_option(optarg);
3054
                break;
3055
            case QEMU_OPTION_smbios:
3056
                do_smbios_option(optarg);
3057
                break;
3058
            case QEMU_OPTION_enable_kvm:
3059
                olist = qemu_find_opts("machine");
3060
                qemu_opts_parse(olist, "accel=kvm", 0);
3061
                break;
3062
            case QEMU_OPTION_machine:
3063
                olist = qemu_find_opts("machine");
3064
                opts = qemu_opts_parse(olist, optarg, 1);
3065
                if (!opts) {
3066
                    fprintf(stderr, "parse error: %s\n", optarg);
3067
                    exit(1);
3068
                }
3069
                optarg = qemu_opt_get(opts, "type");
3070
                if (optarg) {
3071
                    machine = machine_parse(optarg);
3072
                }
3073
                break;
3074
            case QEMU_OPTION_usb:
3075
                usb_enabled = 1;
3076
                break;
3077
            case QEMU_OPTION_usbdevice:
3078
                usb_enabled = 1;
3079
                add_device_config(DEV_USB, optarg);
3080
                break;
3081
            case QEMU_OPTION_device:
3082
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3083
                    exit(1);
3084
                }
3085
                break;
3086
            case QEMU_OPTION_smp:
3087
                smp_parse(optarg);
3088
                if (smp_cpus < 1) {
3089
                    fprintf(stderr, "Invalid number of CPUs\n");
3090
                    exit(1);
3091
                }
3092
                if (max_cpus < smp_cpus) {
3093
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3094
                            "smp\n");
3095
                    exit(1);
3096
                }
3097
                if (max_cpus > 255) {
3098
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3099
                    exit(1);
3100
                }
3101
                break;
3102
            case QEMU_OPTION_vnc:
3103
#ifdef CONFIG_VNC
3104
                display_remote++;
3105
                vnc_display = optarg;
3106
#else
3107
                fprintf(stderr, "VNC support is disabled\n");
3108
                exit(1);
3109
#endif
3110
                break;
3111
            case QEMU_OPTION_no_acpi:
3112
                acpi_enabled = 0;
3113
                break;
3114
            case QEMU_OPTION_no_hpet:
3115
                no_hpet = 1;
3116
                break;
3117
            case QEMU_OPTION_balloon:
3118
                if (balloon_parse(optarg) < 0) {
3119
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3120
                    exit(1);
3121
                }
3122
                break;
3123
            case QEMU_OPTION_no_reboot:
3124
                no_reboot = 1;
3125
                break;
3126
            case QEMU_OPTION_no_shutdown:
3127
                no_shutdown = 1;
3128
                break;
3129
            case QEMU_OPTION_show_cursor:
3130
                cursor_hide = 0;
3131
                break;
3132
            case QEMU_OPTION_uuid:
3133
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3134
                    fprintf(stderr, "Fail to parse UUID string."
3135
                            " Wrong format.\n");
3136
                    exit(1);
3137
                }
3138
                break;
3139
            case QEMU_OPTION_option_rom:
3140
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3141
                    fprintf(stderr, "Too many option ROMs\n");
3142
                    exit(1);
3143
                }
3144
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3145
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3146
                option_rom[nb_option_roms].bootindex =
3147
                    qemu_opt_get_number(opts, "bootindex", -1);
3148
                if (!option_rom[nb_option_roms].name) {
3149
                    fprintf(stderr, "Option ROM file is not specified\n");
3150
                    exit(1);
3151
                }
3152
                nb_option_roms++;
3153
                break;
3154
            case QEMU_OPTION_semihosting:
3155
                semihosting_enabled = 1;
3156
                break;
3157
            case QEMU_OPTION_name:
3158
                qemu_name = g_strdup(optarg);
3159
                 {
3160
                     char *p = strchr(qemu_name, ',');
3161
                     if (p != NULL) {
3162
                        *p++ = 0;
3163
                        if (strncmp(p, "process=", 8)) {
3164
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3165
                            exit(1);
3166
                        }
3167
                        p += 8;
3168
                        os_set_proc_name(p);
3169
                     }        
3170
                 }        
3171
                break;
3172
            case QEMU_OPTION_prom_env:
3173
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3174
                    fprintf(stderr, "Too many prom variables\n");
3175
                    exit(1);
3176
                }
3177
                prom_envs[nb_prom_envs] = optarg;
3178
                nb_prom_envs++;
3179
                break;
3180
            case QEMU_OPTION_old_param:
3181
                old_param = 1;
3182
                break;
3183
            case QEMU_OPTION_clock:
3184
                configure_alarms(optarg);
3185
                break;
3186
            case QEMU_OPTION_startdate:
3187
                configure_rtc_date_offset(optarg, 1);
3188
                break;
3189
            case QEMU_OPTION_rtc:
3190
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3191
                if (!opts) {
3192
                    exit(1);
3193
                }
3194
                configure_rtc(opts);
3195
                break;
3196
            case QEMU_OPTION_tb_size:
3197
                tcg_tb_size = strtol(optarg, NULL, 0);
3198
                if (tcg_tb_size < 0) {
3199
                    tcg_tb_size = 0;
3200
                }
3201
                break;
3202
            case QEMU_OPTION_icount:
3203
                icount_option = optarg;
3204
                break;
3205
            case QEMU_OPTION_incoming:
3206
                incoming = optarg;
3207
                runstate_set(RUN_STATE_INMIGRATE);
3208
                break;
3209
            case QEMU_OPTION_nodefaults:
3210
                default_serial = 0;
3211
                default_parallel = 0;
3212
                default_virtcon = 0;
3213
                default_monitor = 0;
3214
                default_net = 0;
3215
                default_floppy = 0;
3216
                default_cdrom = 0;
3217
                default_sdcard = 0;
3218
                default_vga = 0;
3219
                break;
3220
            case QEMU_OPTION_xen_domid:
3221
                if (!(xen_available())) {
3222
                    printf("Option %s not supported for this target\n", popt->name);
3223
                    exit(1);
3224
                }
3225
                xen_domid = atoi(optarg);
3226
                break;
3227
            case QEMU_OPTION_xen_create:
3228
                if (!(xen_available())) {
3229
                    printf("Option %s not supported for this target\n", popt->name);
3230
                    exit(1);
3231
                }
3232
                xen_mode = XEN_CREATE;
3233
                break;
3234
            case QEMU_OPTION_xen_attach:
3235
                if (!(xen_available())) {
3236
                    printf("Option %s not supported for this target\n", popt->name);
3237
                    exit(1);
3238
                }
3239
                xen_mode = XEN_ATTACH;
3240
                break;
3241
            case QEMU_OPTION_trace:
3242
            {
3243
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3244
                if (!opts) {
3245
                    exit(1);
3246
                }
3247
                trace_events = qemu_opt_get(opts, "events");
3248
                trace_file = qemu_opt_get(opts, "file");
3249
                break;
3250
            }
3251
            case QEMU_OPTION_readconfig:
3252
                {
3253
                    int ret = qemu_read_config_file(optarg);
3254
                    if (ret < 0) {
3255
                        fprintf(stderr, "read config %s: %s\n", optarg,
3256
                            strerror(-ret));
3257
                        exit(1);
3258
                    }
3259
                    break;
3260
                }
3261
            case QEMU_OPTION_spice:
3262
                olist = qemu_find_opts("spice");
3263
                if (!olist) {
3264
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3265
                    exit(1);
3266
                }
3267
                opts = qemu_opts_parse(olist, optarg, 0);
3268
                if (!opts) {
3269
                    fprintf(stderr, "parse error: %s\n", optarg);
3270
                    exit(1);
3271
                }
3272
                break;
3273
            case QEMU_OPTION_writeconfig:
3274
                {
3275
                    FILE *fp;
3276
                    if (strcmp(optarg, "-") == 0) {
3277
                        fp = stdout;
3278
                    } else {
3279
                        fp = fopen(optarg, "w");
3280
                        if (fp == NULL) {
3281
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3282
                            exit(1);
3283
                        }
3284
                    }
3285
                    qemu_config_write(fp);
3286
                    fclose(fp);
3287
                    break;
3288
                }
3289
            case QEMU_OPTION_qtest:
3290
                qtest_chrdev = optarg;
3291
                break;
3292
            case QEMU_OPTION_qtest_log:
3293
                qtest_log = optarg;
3294
                break;
3295
            case QEMU_OPTION_sandbox:
3296
                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3297
                if (!opts) {
3298
                    exit(0);
3299
                }
3300
                break;
3301
            default:
3302
                os_parse_cmd_args(popt->index, optarg);
3303
            }
3304
        }
3305
    }
3306
    loc_set_none();
3307

    
3308
    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3309
        exit(1);
3310
    }
3311

    
3312
    if (machine == NULL) {
3313
        fprintf(stderr, "No machine found.\n");
3314
        exit(1);
3315
    }
3316

    
3317
    if (machine->hw_version) {
3318
        qemu_set_version(machine->hw_version);
3319
    }
3320

    
3321
    /* Init CPU def lists, based on config
3322
     * - Must be called after all the qemu_read_config_file() calls
3323
     * - Must be called before list_cpus()
3324
     * - Must be called before machine->init()
3325
     */
3326
    cpudef_init();
3327

    
3328
    if (cpu_model && is_help_option(cpu_model)) {
3329
        list_cpus(stdout, &fprintf, cpu_model);
3330
        exit(0);
3331
    }
3332

    
3333
    /* Open the logfile at this point, if necessary. We can't open the logfile
3334
     * when encountering either of the logging options (-d or -D) because the
3335
     * other one may be encountered later on the command line, changing the
3336
     * location or level of logging.
3337
     */
3338
    if (log_mask) {
3339
        if (log_file) {
3340
            set_cpu_log_filename(log_file);
3341
        }
3342
        set_cpu_log(log_mask);
3343
    }
3344

    
3345
    if (!trace_backend_init(trace_events, trace_file)) {
3346
        exit(1);
3347
    }
3348

    
3349
    /* If no data_dir is specified then try to find it relative to the
3350
       executable path.  */
3351
    if (!data_dir) {
3352
        data_dir = os_find_datadir(argv[0]);
3353
    }
3354
    /* If all else fails use the install path specified when building. */
3355
    if (!data_dir) {
3356
        data_dir = CONFIG_QEMU_DATADIR;
3357
    }
3358

    
3359
    /*
3360
     * Default to max_cpus = smp_cpus, in case the user doesn't
3361
     * specify a max_cpus value.
3362
     */
3363
    if (!max_cpus)
3364
        max_cpus = smp_cpus;
3365

    
3366
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3367
    if (smp_cpus > machine->max_cpus) {
3368
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3369
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3370
                machine->max_cpus);
3371
        exit(1);
3372
    }
3373

    
3374
    /*
3375
     * Get the default machine options from the machine if it is not already
3376
     * specified either by the configuration file or by the command line.
3377
     */
3378
    if (machine->default_machine_opts) {
3379
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3380
                               machine->default_machine_opts, 0);
3381
    }
3382

    
3383
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3384
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3385

    
3386
    if (machine->no_serial) {
3387
        default_serial = 0;
3388
    }
3389
    if (machine->no_parallel) {
3390
        default_parallel = 0;
3391
    }
3392
    if (!machine->use_virtcon) {
3393
        default_virtcon = 0;
3394
    }
3395
    if (machine->no_floppy) {
3396
        default_floppy = 0;
3397
    }
3398
    if (machine->no_cdrom) {
3399
        default_cdrom = 0;
3400
    }
3401
    if (machine->no_sdcard) {
3402
        default_sdcard = 0;
3403
    }
3404

    
3405
    if (display_type == DT_NOGRAPHIC) {
3406
        if (default_parallel)
3407
            add_device_config(DEV_PARALLEL, "null");
3408
        if (default_serial && default_monitor) {
3409
            add_device_config(DEV_SERIAL, "mon:stdio");
3410
        } else if (default_virtcon && default_monitor) {
3411
            add_device_config(DEV_VIRTCON, "mon:stdio");
3412
        } else {
3413
            if (default_serial)
3414
                add_device_config(DEV_SERIAL, "stdio");
3415
            if (default_virtcon)
3416
                add_device_config(DEV_VIRTCON, "stdio");
3417
            if (default_monitor)
3418
                monitor_parse("stdio", "readline");
3419
        }
3420
    } else {
3421
        if (default_serial)
3422
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3423
        if (default_parallel)
3424
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3425
        if (default_monitor)
3426
            monitor_parse("vc:80Cx24C", "readline");
3427
        if (default_virtcon)
3428
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3429
    }
3430

    
3431
    socket_init();
3432

    
3433
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3434
        exit(1);
3435
#ifdef CONFIG_VIRTFS
3436
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3437
        exit(1);
3438
    }
3439
#endif
3440

    
3441
    os_daemonize();
3442

    
3443
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3444
        os_pidfile_error();
3445
        exit(1);
3446
    }
3447

    
3448
    /* init the memory */
3449
    if (ram_size == 0) {
3450
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3451
    }
3452

    
3453
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3454
        != 0) {
3455
        exit(0);
3456
    }
3457

    
3458
    configure_accelerator();
3459

    
3460
    qemu_init_cpu_loop();
3461
    if (qemu_init_main_loop()) {
3462
        fprintf(stderr, "qemu_init_main_loop failed\n");
3463
        exit(1);
3464
    }
3465

    
3466
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3467
    if (machine_opts) {
3468
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3469
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3470
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3471
    } else {
3472
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3473
    }
3474

    
3475
    if (!kernel_cmdline) {
3476
        kernel_cmdline = "";
3477
    }
3478

    
3479
    linux_boot = (kernel_filename != NULL);
3480

    
3481
    if (!linux_boot && *kernel_cmdline != '\0') {
3482
        fprintf(stderr, "-append only allowed with -kernel option\n");
3483
        exit(1);
3484
    }
3485

    
3486
    if (!linux_boot && initrd_filename != NULL) {
3487
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3488
        exit(1);
3489
    }
3490

    
3491
    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3492
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
3493
        exit(1);
3494
    }
3495

    
3496
    os_set_line_buffering();
3497

    
3498
    if (init_timer_alarm() < 0) {
3499
        fprintf(stderr, "could not initialize alarm timer\n");
3500
        exit(1);
3501
    }
3502

    
3503
#ifdef CONFIG_SPICE
3504
    /* spice needs the timers to be initialized by this point */
3505
    qemu_spice_init();
3506
#endif
3507

    
3508
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3509
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3510
        exit(1);
3511
    }
3512
    configure_icount(icount_option);
3513

    
3514
    if (net_init_clients() < 0) {
3515
        exit(1);
3516
    }
3517

    
3518
    /* init the bluetooth world */
3519
    if (foreach_device_config(DEV_BT, bt_parse))
3520
        exit(1);
3521

    
3522
    if (!xen_enabled()) {
3523
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3524
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3525
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3526
            exit(1);
3527
        }
3528
    }
3529

    
3530
    cpu_exec_init_all();
3531

    
3532
    bdrv_init_with_whitelist();
3533

    
3534
    blk_mig_init();
3535

    
3536
    /* open the virtual block devices */
3537
    if (snapshot)
3538
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3539
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3540
        exit(1);
3541

    
3542
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3543
                  IF_DEFAULT, 2, CDROM_OPTS);
3544
    default_drive(default_floppy, snapshot, machine->use_scsi,
3545
                  IF_FLOPPY, 0, FD_OPTS);
3546
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3547
                  IF_SD, 0, SD_OPTS);
3548

    
3549
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3550

    
3551
    if (nb_numa_nodes > 0) {
3552
        int i;
3553

    
3554
        if (nb_numa_nodes > MAX_NODES) {
3555
            nb_numa_nodes = MAX_NODES;
3556
        }
3557

    
3558
        /* If no memory size if given for any node, assume the default case
3559
         * and distribute the available memory equally across all nodes
3560
         */
3561
        for (i = 0; i < nb_numa_nodes; i++) {
3562
            if (node_mem[i] != 0)
3563
                break;
3564
        }
3565
        if (i == nb_numa_nodes) {
3566
            uint64_t usedmem = 0;
3567

    
3568
            /* On Linux, the each node's border has to be 8MB aligned,
3569
             * the final node gets the rest.
3570
             */
3571
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3572
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3573
                usedmem += node_mem[i];
3574
            }
3575
            node_mem[i] = ram_size - usedmem;
3576
        }
3577

    
3578
        for (i = 0; i < nb_numa_nodes; i++) {
3579
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3580
                break;
3581
            }
3582
        }
3583
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3584
         * must cope with this anyway, because there are BIOSes out there in
3585
         * real machines which also use this scheme.
3586
         */
3587
        if (i == nb_numa_nodes) {
3588
            for (i = 0; i < max_cpus; i++) {
3589
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
3590
            }
3591
        }
3592
    }
3593

    
3594
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3595
        exit(1);
3596
    }
3597

    
3598
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3599
        exit(1);
3600
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3601
        exit(1);
3602
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3603
        exit(1);
3604
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3605
        exit(1);
3606

    
3607
    /* If no default VGA is requested, the default is "none".  */
3608
    if (default_vga && cirrus_vga_available()) {
3609
        vga_model = "cirrus";
3610
    }
3611
    select_vgahw(vga_model);
3612

    
3613
    if (watchdog) {
3614
        i = select_watchdog(watchdog);
3615
        if (i > 0)
3616
            exit (i == 1 ? 1 : 0);
3617
    }
3618

    
3619
    if (machine->compat_props) {
3620
        qdev_prop_register_global_list(machine->compat_props);
3621
    }
3622
    qemu_add_globals();
3623

    
3624
    qdev_machine_init();
3625

    
3626
    machine->init(ram_size, boot_devices,
3627
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3628

    
3629
    cpu_synchronize_all_post_init();
3630

    
3631
    set_numa_modes();
3632

    
3633
    current_machine = machine;
3634

    
3635
    /* init USB devices */
3636
    if (usb_enabled) {
3637
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3638
            exit(1);
3639
    }
3640

    
3641
    /* init generic devices */
3642
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3643
        exit(1);
3644

    
3645
    net_check_clients();
3646

    
3647
    /* just use the first displaystate for the moment */
3648
    ds = get_displaystate();
3649

    
3650
    if (using_spice)
3651
        display_remote++;
3652
    if (display_type == DT_DEFAULT && !display_remote) {
3653
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3654
        display_type = DT_SDL;
3655
#elif defined(CONFIG_VNC)
3656
        vnc_display = "localhost:0,to=99";
3657
        show_vnc_port = 1;
3658
#else
3659
        display_type = DT_NONE;
3660
#endif
3661
    }
3662

    
3663

    
3664
    /* init local displays */
3665
    switch (display_type) {
3666
    case DT_NOGRAPHIC:
3667
        break;
3668
#if defined(CONFIG_CURSES)
3669
    case DT_CURSES:
3670
        if (!is_daemonized()) {
3671
            curses_display_init(ds, full_screen);
3672
        }
3673
        break;
3674
#endif
3675
#if defined(CONFIG_SDL)
3676
    case DT_SDL:
3677
        sdl_display_init(ds, full_screen, no_frame);
3678
        break;
3679
#elif defined(CONFIG_COCOA)
3680
    case DT_SDL:
3681
        cocoa_display_init(ds, full_screen);
3682
        break;
3683
#endif
3684
    default:
3685
        break;
3686
    }
3687

    
3688
    /* must be after terminal init, SDL library changes signal handlers */
3689
    os_setup_signal_handling();
3690

    
3691
#ifdef CONFIG_VNC
3692
    /* init remote displays */
3693
    if (vnc_display) {
3694
        vnc_display_init(ds);
3695
        if (vnc_display_open(ds, vnc_display) < 0) {
3696
            fprintf(stderr, "Failed to start VNC server on `%s'\n",
3697
                    vnc_display);
3698
            exit(1);
3699
        }
3700

    
3701
        if (show_vnc_port) {
3702
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3703
        }
3704
    }
3705
#endif
3706
#ifdef CONFIG_SPICE
3707
    if (using_spice && !qxl_enabled) {
3708
        qemu_spice_display_init(ds);
3709
    }
3710
#endif
3711

    
3712
    /* display setup */
3713
    dpy_resize(ds);
3714
    dcl = ds->listeners;
3715
    while (dcl != NULL) {
3716
        if (dcl->dpy_refresh != NULL) {
3717
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3718
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3719
            break;
3720
        }
3721
        dcl = dcl->next;
3722
    }
3723
    text_consoles_set_display(ds);
3724

    
3725
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3726
        exit(1);
3727
    }
3728

    
3729
    qdev_machine_creation_done();
3730

    
3731
    if (rom_load_all() != 0) {
3732
        fprintf(stderr, "rom loading failed\n");
3733
        exit(1);
3734
    }
3735

    
3736
    /* TODO: once all bus devices are qdevified, this should be done
3737
     * when bus is created by qdev.c */
3738
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3739
    qemu_run_machine_init_done_notifiers();
3740

    
3741
    qemu_system_reset(VMRESET_SILENT);
3742
    if (loadvm) {
3743
        if (load_vmstate(loadvm) < 0) {
3744
            autostart = 0;
3745
        }
3746
    }
3747

    
3748
    if (incoming) {
3749
        Error *errp = NULL;
3750
        int ret = qemu_start_incoming_migration(incoming, &errp);
3751
        if (ret < 0) {
3752
            if (error_is_set(&errp)) {
3753
                fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3754
                error_free(errp);
3755
            }
3756
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3757
                    incoming, ret);
3758
            exit(ret);
3759
        }
3760
    } else if (autostart) {
3761
        vm_start();
3762
    }
3763

    
3764
    os_setup_post();
3765

    
3766
    resume_all_vcpus();
3767
    main_loop();
3768
    bdrv_close_all();
3769
    pause_all_vcpus();
3770
    net_cleanup();
3771
    res_free();
3772

    
3773
    return 0;
3774
}