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1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
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 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 "qemu/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 "sysemu/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/bt.h"
130
#include "net/net.h"
131
#include "net/slirp.h"
132
#include "monitor/monitor.h"
133
#include "ui/console.h"
134
#include "sysemu/sysemu.h"
135
#include "exec/gdbstub.h"
136
#include "qemu/timer.h"
137
#include "char/char.h"
138
#include "qemu/cache-utils.h"
139
#include "sysemu/blockdev.h"
140
#include "hw/block-common.h"
141
#include "migration/block.h"
142
#include "sysemu/dma.h"
143
#include "audio/audio.h"
144
#include "migration/migration.h"
145
#include "sysemu/kvm.h"
146
#include "qapi/qmp/qjson.h"
147
#include "qemu/option.h"
148
#include "qemu/config-file.h"
149
#include "qemu-options.h"
150
#include "qmp-commands.h"
151
#include "qemu/main-loop.h"
152
#ifdef CONFIG_VIRTFS
153
#include "fsdev/qemu-fsdev.h"
154
#endif
155
#include "sysemu/qtest.h"
156

    
157
#include "disas/disas.h"
158

    
159
#include "qemu/sockets.h"
160

    
161
#include "slirp/libslirp.h"
162

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

    
170
#include "ui/qemu-spice.h"
171
#include "qapi/string-input-visitor.h"
172

    
173
//#define DEBUG_NET
174
//#define DEBUG_SLIRP
175

    
176
#define DEFAULT_RAM_SIZE 128
177

    
178
#define MAX_VIRTIO_CONSOLES 1
179

    
180
static const char *data_dir;
181
const char *bios_name = NULL;
182
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
183
DisplayType display_type = DT_DEFAULT;
184
static int display_remote;
185
const char* keyboard_layout = NULL;
186
ram_addr_t ram_size;
187
const char *mem_path = NULL;
188
#ifdef MAP_POPULATE
189
int mem_prealloc = 0; /* force preallocation of physical target memory */
190
#endif
191
int nb_nics;
192
NICInfo nd_table[MAX_NICS];
193
int autostart;
194
static int rtc_utc = 1;
195
static int rtc_date_offset = -1; /* -1 means no change */
196
QEMUClock *rtc_clock;
197
int vga_interface_type = VGA_NONE;
198
static int full_screen = 0;
199
#ifdef CONFIG_SDL
200
static int no_frame = 0;
201
#endif
202
int no_quit = 0;
203
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
204
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
205
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
206
int win2k_install_hack = 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
static int no_reboot;
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
static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
247
    QTAILQ_HEAD_INITIALIZER(fw_boot_order);
248

    
249
int nb_numa_nodes;
250
uint64_t node_mem[MAX_NODES];
251
unsigned long *node_cpumask[MAX_NODES];
252

    
253
uint8_t qemu_uuid[16];
254

    
255
static QEMUBootSetHandler *boot_set_handler;
256
static void *boot_set_opaque;
257

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

    
261
static NotifierList machine_init_done_notifiers =
262
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
263

    
264
static int tcg_allowed = 1;
265
int kvm_allowed = 0;
266
int xen_allowed = 0;
267
uint32_t xen_domid;
268
enum xen_mode xen_mode = XEN_EMULATE;
269
static int tcg_tb_size;
270

    
271
static int default_serial = 1;
272
static int default_parallel = 1;
273
static int default_virtcon = 1;
274
static int default_monitor = 1;
275
static int default_floppy = 1;
276
static int default_cdrom = 1;
277
static int default_sdcard = 1;
278
static int default_vga = 1;
279

    
280
static struct {
281
    const char *driver;
282
    int *flag;
283
} default_list[] = {
284
    { .driver = "isa-serial",           .flag = &default_serial    },
285
    { .driver = "isa-parallel",         .flag = &default_parallel  },
286
    { .driver = "isa-fdc",              .flag = &default_floppy    },
287
    { .driver = "ide-cd",               .flag = &default_cdrom     },
288
    { .driver = "ide-hd",               .flag = &default_cdrom     },
289
    { .driver = "ide-drive",            .flag = &default_cdrom     },
290
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
291
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
292
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
293
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
294
    { .driver = "VGA",                  .flag = &default_vga       },
295
    { .driver = "isa-vga",              .flag = &default_vga       },
296
    { .driver = "cirrus-vga",           .flag = &default_vga       },
297
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
298
    { .driver = "vmware-svga",          .flag = &default_vga       },
299
    { .driver = "qxl-vga",              .flag = &default_vga       },
300
};
301

    
302
const char *qemu_get_vm_name(void)
303
{
304
    return qemu_name;
305
}
306

    
307
static void res_free(void)
308
{
309
    if (boot_splash_filedata != NULL) {
310
        g_free(boot_splash_filedata);
311
        boot_splash_filedata = NULL;
312
    }
313
}
314

    
315
static int default_driver_check(QemuOpts *opts, void *opaque)
316
{
317
    const char *driver = qemu_opt_get(opts, "driver");
318
    int i;
319

    
320
    if (!driver)
321
        return 0;
322
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
323
        if (strcmp(default_list[i].driver, driver) != 0)
324
            continue;
325
        *(default_list[i].flag) = 0;
326
    }
327
    return 0;
328
}
329

    
330
/***********************************************************/
331
/* QEMU state */
332

    
333
static RunState current_run_state = RUN_STATE_PRELAUNCH;
334

    
335
typedef struct {
336
    RunState from;
337
    RunState to;
338
} RunStateTransition;
339

    
340
static const RunStateTransition runstate_transitions_def[] = {
341
    /*     from      ->     to      */
342
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
343

    
344
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
345
    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
346

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

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

    
353
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
354
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
355

    
356
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
357
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
358

    
359
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
360
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
361
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
362

    
363
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
364
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
365

    
366
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
367

    
368
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
369
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
370
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
371
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
372
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
373
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
374
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
375
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
376
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
377

    
378
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
379

    
380
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
381
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
382

    
383
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
384
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
385
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
386
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
387

    
388
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
389
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
390

    
391
    { RUN_STATE_MAX, RUN_STATE_MAX },
392
};
393

    
394
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
395

    
396
bool runstate_check(RunState state)
397
{
398
    return current_run_state == state;
399
}
400

    
401
static void runstate_init(void)
402
{
403
    const RunStateTransition *p;
404

    
405
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
406

    
407
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
408
        runstate_valid_transitions[p->from][p->to] = true;
409
    }
410
}
411

    
412
/* This function will abort() on invalid state transitions */
413
void runstate_set(RunState new_state)
414
{
415
    assert(new_state < RUN_STATE_MAX);
416

    
417
    if (!runstate_valid_transitions[current_run_state][new_state]) {
418
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
419
                RunState_lookup[current_run_state],
420
                RunState_lookup[new_state]);
421
        abort();
422
    }
423

    
424
    current_run_state = new_state;
425
}
426

    
427
int runstate_is_running(void)
428
{
429
    return runstate_check(RUN_STATE_RUNNING);
430
}
431

    
432
StatusInfo *qmp_query_status(Error **errp)
433
{
434
    StatusInfo *info = g_malloc0(sizeof(*info));
435

    
436
    info->running = runstate_is_running();
437
    info->singlestep = singlestep;
438
    info->status = current_run_state;
439

    
440
    return info;
441
}
442

    
443
/***********************************************************/
444
/* real time host monotonic timer */
445

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

    
452
    time(&ti);
453
    ti += offset;
454
    if (rtc_date_offset == -1) {
455
        if (rtc_utc)
456
            gmtime_r(&ti, tm);
457
        else
458
            localtime_r(&ti, tm);
459
    } else {
460
        ti -= rtc_date_offset;
461
        gmtime_r(&ti, tm);
462
    }
463
}
464

    
465
int qemu_timedate_diff(struct tm *tm)
466
{
467
    time_t seconds;
468

    
469
    if (rtc_date_offset == -1)
470
        if (rtc_utc)
471
            seconds = mktimegm(tm);
472
        else {
473
            struct tm tmp = *tm;
474
            tmp.tm_isdst = -1; /* use timezone to figure it out */
475
            seconds = mktime(&tmp);
476
        }
477
    else
478
        seconds = mktimegm(tm) + rtc_date_offset;
479

    
480
    return seconds - time(NULL);
481
}
482

    
483
void rtc_change_mon_event(struct tm *tm)
484
{
485
    QObject *data;
486

    
487
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
488
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
489
    qobject_decref(data);
490
}
491

    
492
static void configure_rtc_date_offset(const char *startdate, int legacy)
493
{
494
    time_t rtc_start_date;
495
    struct tm tm;
496

    
497
    if (!strcmp(startdate, "now") && legacy) {
498
        rtc_date_offset = -1;
499
    } else {
500
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
501
                   &tm.tm_year,
502
                   &tm.tm_mon,
503
                   &tm.tm_mday,
504
                   &tm.tm_hour,
505
                   &tm.tm_min,
506
                   &tm.tm_sec) == 6) {
507
            /* OK */
508
        } else if (sscanf(startdate, "%d-%d-%d",
509
                          &tm.tm_year,
510
                          &tm.tm_mon,
511
                          &tm.tm_mday) == 3) {
512
            tm.tm_hour = 0;
513
            tm.tm_min = 0;
514
            tm.tm_sec = 0;
515
        } else {
516
            goto date_fail;
517
        }
518
        tm.tm_year -= 1900;
519
        tm.tm_mon--;
520
        rtc_start_date = mktimegm(&tm);
521
        if (rtc_start_date == -1) {
522
        date_fail:
523
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
524
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
525
            exit(1);
526
        }
527
        rtc_date_offset = time(NULL) - rtc_start_date;
528
    }
529
}
530

    
531
static void configure_rtc(QemuOpts *opts)
532
{
533
    const char *value;
534

    
535
    value = qemu_opt_get(opts, "base");
536
    if (value) {
537
        if (!strcmp(value, "utc")) {
538
            rtc_utc = 1;
539
        } else if (!strcmp(value, "localtime")) {
540
            rtc_utc = 0;
541
        } else {
542
            configure_rtc_date_offset(value, 0);
543
        }
544
    }
545
    value = qemu_opt_get(opts, "clock");
546
    if (value) {
547
        if (!strcmp(value, "host")) {
548
            rtc_clock = host_clock;
549
        } else if (!strcmp(value, "rt")) {
550
            rtc_clock = rt_clock;
551
        } else if (!strcmp(value, "vm")) {
552
            rtc_clock = vm_clock;
553
        } else {
554
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
555
            exit(1);
556
        }
557
    }
558
    value = qemu_opt_get(opts, "driftfix");
559
    if (value) {
560
        if (!strcmp(value, "slew")) {
561
            static GlobalProperty slew_lost_ticks[] = {
562
                {
563
                    .driver   = "mc146818rtc",
564
                    .property = "lost_tick_policy",
565
                    .value    = "slew",
566
                },
567
                { /* end of list */ }
568
            };
569

    
570
            qdev_prop_register_global_list(slew_lost_ticks);
571
        } else if (!strcmp(value, "none")) {
572
            /* discard is default */
573
        } else {
574
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
575
            exit(1);
576
        }
577
    }
578
}
579

    
580
/***********************************************************/
581
/* Bluetooth support */
582
static int nb_hcis;
583
static int cur_hci;
584
static struct HCIInfo *hci_table[MAX_NICS];
585

    
586
static struct bt_vlan_s {
587
    struct bt_scatternet_s net;
588
    int id;
589
    struct bt_vlan_s *next;
590
} *first_bt_vlan;
591

    
592
/* find or alloc a new bluetooth "VLAN" */
593
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
594
{
595
    struct bt_vlan_s **pvlan, *vlan;
596
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
597
        if (vlan->id == id)
598
            return &vlan->net;
599
    }
600
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
601
    vlan->id = id;
602
    pvlan = &first_bt_vlan;
603
    while (*pvlan != NULL)
604
        pvlan = &(*pvlan)->next;
605
    *pvlan = vlan;
606
    return &vlan->net;
607
}
608

    
609
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
610
{
611
}
612

    
613
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
614
{
615
    return -ENOTSUP;
616
}
617

    
618
static struct HCIInfo null_hci = {
619
    .cmd_send = null_hci_send,
620
    .sco_send = null_hci_send,
621
    .acl_send = null_hci_send,
622
    .bdaddr_set = null_hci_addr_set,
623
};
624

    
625
struct HCIInfo *qemu_next_hci(void)
626
{
627
    if (cur_hci == nb_hcis)
628
        return &null_hci;
629

    
630
    return hci_table[cur_hci++];
631
}
632

    
633
static struct HCIInfo *hci_init(const char *str)
634
{
635
    char *endp;
636
    struct bt_scatternet_s *vlan = 0;
637

    
638
    if (!strcmp(str, "null"))
639
        /* null */
640
        return &null_hci;
641
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
642
        /* host[:hciN] */
643
        return bt_host_hci(str[4] ? str + 5 : "hci0");
644
    else if (!strncmp(str, "hci", 3)) {
645
        /* hci[,vlan=n] */
646
        if (str[3]) {
647
            if (!strncmp(str + 3, ",vlan=", 6)) {
648
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
649
                if (*endp)
650
                    vlan = 0;
651
            }
652
        } else
653
            vlan = qemu_find_bt_vlan(0);
654
        if (vlan)
655
           return bt_new_hci(vlan);
656
    }
657

    
658
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
659

    
660
    return 0;
661
}
662

    
663
static int bt_hci_parse(const char *str)
664
{
665
    struct HCIInfo *hci;
666
    bdaddr_t bdaddr;
667

    
668
    if (nb_hcis >= MAX_NICS) {
669
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
670
        return -1;
671
    }
672

    
673
    hci = hci_init(str);
674
    if (!hci)
675
        return -1;
676

    
677
    bdaddr.b[0] = 0x52;
678
    bdaddr.b[1] = 0x54;
679
    bdaddr.b[2] = 0x00;
680
    bdaddr.b[3] = 0x12;
681
    bdaddr.b[4] = 0x34;
682
    bdaddr.b[5] = 0x56 + nb_hcis;
683
    hci->bdaddr_set(hci, bdaddr.b);
684

    
685
    hci_table[nb_hcis++] = hci;
686

    
687
    return 0;
688
}
689

    
690
static void bt_vhci_add(int vlan_id)
691
{
692
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
693

    
694
    if (!vlan->slave)
695
        fprintf(stderr, "qemu: warning: adding a VHCI to "
696
                        "an empty scatternet %i\n", vlan_id);
697

    
698
    bt_vhci_init(bt_new_hci(vlan));
699
}
700

    
701
static struct bt_device_s *bt_device_add(const char *opt)
702
{
703
    struct bt_scatternet_s *vlan;
704
    int vlan_id = 0;
705
    char *endp = strstr(opt, ",vlan=");
706
    int len = (endp ? endp - opt : strlen(opt)) + 1;
707
    char devname[10];
708

    
709
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
710

    
711
    if (endp) {
712
        vlan_id = strtol(endp + 6, &endp, 0);
713
        if (*endp) {
714
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
715
            return 0;
716
        }
717
    }
718

    
719
    vlan = qemu_find_bt_vlan(vlan_id);
720

    
721
    if (!vlan->slave)
722
        fprintf(stderr, "qemu: warning: adding a slave device to "
723
                        "an empty scatternet %i\n", vlan_id);
724

    
725
    if (!strcmp(devname, "keyboard"))
726
        return bt_keyboard_init(vlan);
727

    
728
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
729
    return 0;
730
}
731

    
732
static int bt_parse(const char *opt)
733
{
734
    const char *endp, *p;
735
    int vlan;
736

    
737
    if (strstart(opt, "hci", &endp)) {
738
        if (!*endp || *endp == ',') {
739
            if (*endp)
740
                if (!strstart(endp, ",vlan=", 0))
741
                    opt = endp + 1;
742

    
743
            return bt_hci_parse(opt);
744
       }
745
    } else if (strstart(opt, "vhci", &endp)) {
746
        if (!*endp || *endp == ',') {
747
            if (*endp) {
748
                if (strstart(endp, ",vlan=", &p)) {
749
                    vlan = strtol(p, (char **) &endp, 0);
750
                    if (*endp) {
751
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
752
                        return 1;
753
                    }
754
                } else {
755
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
756
                    return 1;
757
                }
758
            } else
759
                vlan = 0;
760

    
761
            bt_vhci_add(vlan);
762
            return 0;
763
        }
764
    } else if (strstart(opt, "device:", &endp))
765
        return !bt_device_add(endp);
766

    
767
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
768
    return 1;
769
}
770

    
771
static int parse_sandbox(QemuOpts *opts, void *opaque)
772
{
773
    /* FIXME: change this to true for 1.3 */
774
    if (qemu_opt_get_bool(opts, "enable", false)) {
775
#ifdef CONFIG_SECCOMP
776
        if (seccomp_start() < 0) {
777
            qerror_report(ERROR_CLASS_GENERIC_ERROR,
778
                          "failed to install seccomp syscall filter in the kernel");
779
            return -1;
780
        }
781
#else
782
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
783
                      "sandboxing request but seccomp is not compiled into this build");
784
        return -1;
785
#endif
786
    }
787

    
788
    return 0;
789
}
790

    
791
/*********QEMU USB setting******/
792
bool usb_enabled(bool default_usb)
793
{
794
    QemuOpts *mach_opts;
795
    mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
796
    if (mach_opts) {
797
        return qemu_opt_get_bool(mach_opts, "usb", default_usb);
798
    }
799
    return default_usb;
800
}
801

    
802
#ifndef _WIN32
803
static int parse_add_fd(QemuOpts *opts, void *opaque)
804
{
805
    int fd, dupfd, flags;
806
    int64_t fdset_id;
807
    const char *fd_opaque = NULL;
808

    
809
    fd = qemu_opt_get_number(opts, "fd", -1);
810
    fdset_id = qemu_opt_get_number(opts, "set", -1);
811
    fd_opaque = qemu_opt_get(opts, "opaque");
812

    
813
    if (fd < 0) {
814
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
815
                      "fd option is required and must be non-negative");
816
        return -1;
817
    }
818

    
819
    if (fd <= STDERR_FILENO) {
820
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
821
                      "fd cannot be a standard I/O stream");
822
        return -1;
823
    }
824

    
825
    /*
826
     * All fds inherited across exec() necessarily have FD_CLOEXEC
827
     * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
828
     */
829
    flags = fcntl(fd, F_GETFD);
830
    if (flags == -1 || (flags & FD_CLOEXEC)) {
831
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
832
                      "fd is not valid or already in use");
833
        return -1;
834
    }
835

    
836
    if (fdset_id < 0) {
837
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
838
                      "set option is required and must be non-negative");
839
        return -1;
840
    }
841

    
842
#ifdef F_DUPFD_CLOEXEC
843
    dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
844
#else
845
    dupfd = dup(fd);
846
    if (dupfd != -1) {
847
        qemu_set_cloexec(dupfd);
848
    }
849
#endif
850
    if (dupfd == -1) {
851
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
852
                      "Error duplicating fd: %s", strerror(errno));
853
        return -1;
854
    }
855

    
856
    /* add the duplicate fd, and optionally the opaque string, to the fd set */
857
    monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
858
                         fd_opaque, NULL);
859

    
860
    return 0;
861
}
862

    
863
static int cleanup_add_fd(QemuOpts *opts, void *opaque)
864
{
865
    int fd;
866

    
867
    fd = qemu_opt_get_number(opts, "fd", -1);
868
    close(fd);
869

    
870
    return 0;
871
}
872
#endif
873

    
874
/***********************************************************/
875
/* QEMU Block devices */
876

    
877
#define HD_OPTS "media=disk"
878
#define CDROM_OPTS "media=cdrom"
879
#define FD_OPTS ""
880
#define PFLASH_OPTS ""
881
#define MTD_OPTS ""
882
#define SD_OPTS ""
883

    
884
static int drive_init_func(QemuOpts *opts, void *opaque)
885
{
886
    BlockInterfaceType *block_default_type = opaque;
887

    
888
    return drive_init(opts, *block_default_type) == NULL;
889
}
890

    
891
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
892
{
893
    if (NULL == qemu_opt_get(opts, "snapshot")) {
894
        qemu_opt_set(opts, "snapshot", "on");
895
    }
896
    return 0;
897
}
898

    
899
static void default_drive(int enable, int snapshot, BlockInterfaceType type,
900
                          int index, const char *optstr)
901
{
902
    QemuOpts *opts;
903

    
904
    if (!enable || drive_get_by_index(type, index)) {
905
        return;
906
    }
907

    
908
    opts = drive_add(type, index, NULL, optstr);
909
    if (snapshot) {
910
        drive_enable_snapshot(opts, NULL);
911
    }
912
    if (!drive_init(opts, type)) {
913
        exit(1);
914
    }
915
}
916

    
917
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
918
{
919
    boot_set_handler = func;
920
    boot_set_opaque = opaque;
921
}
922

    
923
int qemu_boot_set(const char *boot_devices)
924
{
925
    if (!boot_set_handler) {
926
        return -EINVAL;
927
    }
928
    return boot_set_handler(boot_set_opaque, boot_devices);
929
}
930

    
931
static void validate_bootdevices(char *devices)
932
{
933
    /* We just do some generic consistency checks */
934
    const char *p;
935
    int bitmap = 0;
936

    
937
    for (p = devices; *p != '\0'; p++) {
938
        /* Allowed boot devices are:
939
         * a-b: floppy disk drives
940
         * c-f: IDE disk drives
941
         * g-m: machine implementation dependent drives
942
         * n-p: network devices
943
         * It's up to each machine implementation to check if the given boot
944
         * devices match the actual hardware implementation and firmware
945
         * features.
946
         */
947
        if (*p < 'a' || *p > 'p') {
948
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
949
            exit(1);
950
        }
951
        if (bitmap & (1 << (*p - 'a'))) {
952
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
953
            exit(1);
954
        }
955
        bitmap |= 1 << (*p - 'a');
956
    }
957
}
958

    
959
static void restore_boot_devices(void *opaque)
960
{
961
    char *standard_boot_devices = opaque;
962
    static int first = 1;
963

    
964
    /* Restore boot order and remove ourselves after the first boot */
965
    if (first) {
966
        first = 0;
967
        return;
968
    }
969

    
970
    qemu_boot_set(standard_boot_devices);
971

    
972
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
973
    g_free(standard_boot_devices);
974
}
975

    
976
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
977
                          const char *suffix)
978
{
979
    FWBootEntry *node, *i;
980

    
981
    if (bootindex < 0) {
982
        return;
983
    }
984

    
985
    assert(dev != NULL || suffix != NULL);
986

    
987
    node = g_malloc0(sizeof(FWBootEntry));
988
    node->bootindex = bootindex;
989
    node->suffix = suffix ? g_strdup(suffix) : NULL;
990
    node->dev = dev;
991

    
992
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
993
        if (i->bootindex == bootindex) {
994
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
995
            exit(1);
996
        } else if (i->bootindex < bootindex) {
997
            continue;
998
        }
999
        QTAILQ_INSERT_BEFORE(i, node, link);
1000
        return;
1001
    }
1002
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1003
}
1004

    
1005
/*
1006
 * This function returns null terminated string that consist of new line
1007
 * separated device paths.
1008
 *
1009
 * memory pointed by "size" is assigned total length of the array in bytes
1010
 *
1011
 */
1012
char *get_boot_devices_list(uint32_t *size)
1013
{
1014
    FWBootEntry *i;
1015
    uint32_t total = 0;
1016
    char *list = NULL;
1017

    
1018
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1019
        char *devpath = NULL, *bootpath;
1020
        int len;
1021

    
1022
        if (i->dev) {
1023
            devpath = qdev_get_fw_dev_path(i->dev);
1024
            assert(devpath);
1025
        }
1026

    
1027
        if (i->suffix && devpath) {
1028
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1029

    
1030
            bootpath = g_malloc(bootpathlen);
1031
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1032
            g_free(devpath);
1033
        } else if (devpath) {
1034
            bootpath = devpath;
1035
        } else {
1036
            assert(i->suffix);
1037
            bootpath = g_strdup(i->suffix);
1038
        }
1039

    
1040
        if (total) {
1041
            list[total-1] = '\n';
1042
        }
1043
        len = strlen(bootpath) + 1;
1044
        list = g_realloc(list, total + len);
1045
        memcpy(&list[total], bootpath, len);
1046
        total += len;
1047
        g_free(bootpath);
1048
    }
1049

    
1050
    *size = total;
1051

    
1052
    return list;
1053
}
1054

    
1055
static void numa_add(const char *optarg)
1056
{
1057
    char option[128];
1058
    char *endptr;
1059
    unsigned long long value, endvalue;
1060
    int nodenr;
1061

    
1062
    value = endvalue = 0ULL;
1063

    
1064
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
1065
    if (!strcmp(option, "node")) {
1066
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1067
            nodenr = nb_numa_nodes;
1068
        } else {
1069
            nodenr = strtoull(option, NULL, 10);
1070
        }
1071

    
1072
        if (get_param_value(option, 128, "mem", optarg) == 0) {
1073
            node_mem[nodenr] = 0;
1074
        } else {
1075
            int64_t sval;
1076
            sval = strtosz(option, &endptr);
1077
            if (sval < 0 || *endptr) {
1078
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1079
                exit(1);
1080
            }
1081
            node_mem[nodenr] = sval;
1082
        }
1083
        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1084
            value = strtoull(option, &endptr, 10);
1085
            if (*endptr == '-') {
1086
                endvalue = strtoull(endptr+1, &endptr, 10);
1087
            } else {
1088
                endvalue = value;
1089
            }
1090

    
1091
            if (!(endvalue < MAX_CPUMASK_BITS)) {
1092
                endvalue = MAX_CPUMASK_BITS - 1;
1093
                fprintf(stderr,
1094
                    "A max of %d CPUs are supported in a guest\n",
1095
                     MAX_CPUMASK_BITS);
1096
            }
1097

    
1098
            bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1099
        }
1100
        nb_numa_nodes++;
1101
    }
1102
}
1103

    
1104
static void smp_parse(const char *optarg)
1105
{
1106
    int smp, sockets = 0, threads = 0, cores = 0;
1107
    char *endptr;
1108
    char option[128];
1109

    
1110
    smp = strtoul(optarg, &endptr, 10);
1111
    if (endptr != optarg) {
1112
        if (*endptr == ',') {
1113
            endptr++;
1114
        }
1115
    }
1116
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1117
        sockets = strtoull(option, NULL, 10);
1118
    if (get_param_value(option, 128, "cores", endptr) != 0)
1119
        cores = strtoull(option, NULL, 10);
1120
    if (get_param_value(option, 128, "threads", endptr) != 0)
1121
        threads = strtoull(option, NULL, 10);
1122
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1123
        max_cpus = strtoull(option, NULL, 10);
1124

    
1125
    /* compute missing values, prefer sockets over cores over threads */
1126
    if (smp == 0 || sockets == 0) {
1127
        sockets = sockets > 0 ? sockets : 1;
1128
        cores = cores > 0 ? cores : 1;
1129
        threads = threads > 0 ? threads : 1;
1130
        if (smp == 0) {
1131
            smp = cores * threads * sockets;
1132
        }
1133
    } else {
1134
        if (cores == 0) {
1135
            threads = threads > 0 ? threads : 1;
1136
            cores = smp / (sockets * threads);
1137
        } else {
1138
            threads = smp / (cores * sockets);
1139
        }
1140
    }
1141
    smp_cpus = smp;
1142
    smp_cores = cores > 0 ? cores : 1;
1143
    smp_threads = threads > 0 ? threads : 1;
1144
    if (max_cpus == 0)
1145
        max_cpus = smp_cpus;
1146
}
1147

    
1148
/***********************************************************/
1149
/* USB devices */
1150

    
1151
static int usb_device_add(const char *devname)
1152
{
1153
    const char *p;
1154
    USBDevice *dev = NULL;
1155

    
1156
    if (!usb_enabled(false)) {
1157
        return -1;
1158
    }
1159

    
1160
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1161
    dev = usbdevice_create(devname);
1162
    if (dev)
1163
        goto done;
1164

    
1165
    /* the other ones */
1166
#ifndef CONFIG_LINUX
1167
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1168
    if (strstart(devname, "host:", &p)) {
1169
        dev = usb_host_device_open(usb_bus_find(-1), p);
1170
    } else
1171
#endif
1172
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1173
        dev = usb_bt_init(usb_bus_find(-1),
1174
                          devname[2] ? hci_init(p)
1175
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1176
    } else {
1177
        return -1;
1178
    }
1179
    if (!dev)
1180
        return -1;
1181

    
1182
done:
1183
    return 0;
1184
}
1185

    
1186
static int usb_device_del(const char *devname)
1187
{
1188
    int bus_num, addr;
1189
    const char *p;
1190

    
1191
    if (strstart(devname, "host:", &p))
1192
        return usb_host_device_close(p);
1193

    
1194
    if (!usb_enabled(false)) {
1195
        return -1;
1196
    }
1197

    
1198
    p = strchr(devname, '.');
1199
    if (!p)
1200
        return -1;
1201
    bus_num = strtoul(devname, NULL, 0);
1202
    addr = strtoul(p + 1, NULL, 0);
1203

    
1204
    return usb_device_delete_addr(bus_num, addr);
1205
}
1206

    
1207
static int usb_parse(const char *cmdline)
1208
{
1209
    int r;
1210
    r = usb_device_add(cmdline);
1211
    if (r < 0) {
1212
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1213
    }
1214
    return r;
1215
}
1216

    
1217
void do_usb_add(Monitor *mon, const QDict *qdict)
1218
{
1219
    const char *devname = qdict_get_str(qdict, "devname");
1220
    if (usb_device_add(devname) < 0) {
1221
        error_report("could not add USB device '%s'", devname);
1222
    }
1223
}
1224

    
1225
void do_usb_del(Monitor *mon, const QDict *qdict)
1226
{
1227
    const char *devname = qdict_get_str(qdict, "devname");
1228
    if (usb_device_del(devname) < 0) {
1229
        error_report("could not delete USB device '%s'", devname);
1230
    }
1231
}
1232

    
1233
/***********************************************************/
1234
/* PCMCIA/Cardbus */
1235

    
1236
static struct pcmcia_socket_entry_s {
1237
    PCMCIASocket *socket;
1238
    struct pcmcia_socket_entry_s *next;
1239
} *pcmcia_sockets = 0;
1240

    
1241
void pcmcia_socket_register(PCMCIASocket *socket)
1242
{
1243
    struct pcmcia_socket_entry_s *entry;
1244

    
1245
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1246
    entry->socket = socket;
1247
    entry->next = pcmcia_sockets;
1248
    pcmcia_sockets = entry;
1249
}
1250

    
1251
void pcmcia_socket_unregister(PCMCIASocket *socket)
1252
{
1253
    struct pcmcia_socket_entry_s *entry, **ptr;
1254

    
1255
    ptr = &pcmcia_sockets;
1256
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1257
        if (entry->socket == socket) {
1258
            *ptr = entry->next;
1259
            g_free(entry);
1260
        }
1261
}
1262

    
1263
void pcmcia_info(Monitor *mon)
1264
{
1265
    struct pcmcia_socket_entry_s *iter;
1266

    
1267
    if (!pcmcia_sockets)
1268
        monitor_printf(mon, "No PCMCIA sockets\n");
1269

    
1270
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1271
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1272
                       iter->socket->attached ? iter->socket->card_string :
1273
                       "Empty");
1274
}
1275

    
1276
/***********************************************************/
1277
/* machine registration */
1278

    
1279
static QEMUMachine *first_machine = NULL;
1280
QEMUMachine *current_machine = NULL;
1281

    
1282
int qemu_register_machine(QEMUMachine *m)
1283
{
1284
    QEMUMachine **pm;
1285
    pm = &first_machine;
1286
    while (*pm != NULL)
1287
        pm = &(*pm)->next;
1288
    m->next = NULL;
1289
    *pm = m;
1290
    return 0;
1291
}
1292

    
1293
static QEMUMachine *find_machine(const char *name)
1294
{
1295
    QEMUMachine *m;
1296

    
1297
    for(m = first_machine; m != NULL; m = m->next) {
1298
        if (!strcmp(m->name, name))
1299
            return m;
1300
        if (m->alias && !strcmp(m->alias, name))
1301
            return m;
1302
    }
1303
    return NULL;
1304
}
1305

    
1306
QEMUMachine *find_default_machine(void)
1307
{
1308
    QEMUMachine *m;
1309

    
1310
    for(m = first_machine; m != NULL; m = m->next) {
1311
        if (m->is_default) {
1312
            return m;
1313
        }
1314
    }
1315
    return NULL;
1316
}
1317

    
1318
MachineInfoList *qmp_query_machines(Error **errp)
1319
{
1320
    MachineInfoList *mach_list = NULL;
1321
    QEMUMachine *m;
1322

    
1323
    for (m = first_machine; m; m = m->next) {
1324
        MachineInfoList *entry;
1325
        MachineInfo *info;
1326

    
1327
        info = g_malloc0(sizeof(*info));
1328
        if (m->is_default) {
1329
            info->has_is_default = true;
1330
            info->is_default = true;
1331
        }
1332

    
1333
        if (m->alias) {
1334
            info->has_alias = true;
1335
            info->alias = g_strdup(m->alias);
1336
        }
1337

    
1338
        info->name = g_strdup(m->name);
1339

    
1340
        entry = g_malloc0(sizeof(*entry));
1341
        entry->value = info;
1342
        entry->next = mach_list;
1343
        mach_list = entry;
1344
    }
1345

    
1346
    return mach_list;
1347
}
1348

    
1349
/***********************************************************/
1350
/* main execution loop */
1351

    
1352
static void gui_update(void *opaque)
1353
{
1354
    uint64_t interval = GUI_REFRESH_INTERVAL;
1355
    DisplayState *ds = opaque;
1356
    DisplayChangeListener *dcl;
1357

    
1358
    dpy_refresh(ds);
1359

    
1360
    QLIST_FOREACH(dcl, &ds->listeners, next) {
1361
        if (dcl->gui_timer_interval &&
1362
            dcl->gui_timer_interval < interval)
1363
            interval = dcl->gui_timer_interval;
1364
    }
1365
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1366
}
1367

    
1368
void gui_setup_refresh(DisplayState *ds)
1369
{
1370
    DisplayChangeListener *dcl;
1371
    bool need_timer = false;
1372
    bool have_gfx = false;
1373
    bool have_text = false;
1374

    
1375
    QLIST_FOREACH(dcl, &ds->listeners, next) {
1376
        if (dcl->dpy_refresh != NULL) {
1377
            need_timer = true;
1378
        }
1379
        if (dcl->dpy_gfx_update != NULL) {
1380
            have_gfx = true;
1381
        }
1382
        if (dcl->dpy_text_update != NULL) {
1383
            have_text = true;
1384
        }
1385
    }
1386

    
1387
    if (need_timer && ds->gui_timer == NULL) {
1388
        ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1389
        qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1390
    }
1391
    if (!need_timer && ds->gui_timer != NULL) {
1392
        qemu_del_timer(ds->gui_timer);
1393
        qemu_free_timer(ds->gui_timer);
1394
        ds->gui_timer = NULL;
1395
    }
1396

    
1397
    ds->have_gfx = have_gfx;
1398
    ds->have_text = have_text;
1399
}
1400

    
1401
struct vm_change_state_entry {
1402
    VMChangeStateHandler *cb;
1403
    void *opaque;
1404
    QLIST_ENTRY (vm_change_state_entry) entries;
1405
};
1406

    
1407
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1408

    
1409
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1410
                                                     void *opaque)
1411
{
1412
    VMChangeStateEntry *e;
1413

    
1414
    e = g_malloc0(sizeof (*e));
1415

    
1416
    e->cb = cb;
1417
    e->opaque = opaque;
1418
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1419
    return e;
1420
}
1421

    
1422
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1423
{
1424
    QLIST_REMOVE (e, entries);
1425
    g_free (e);
1426
}
1427

    
1428
void vm_state_notify(int running, RunState state)
1429
{
1430
    VMChangeStateEntry *e;
1431

    
1432
    trace_vm_state_notify(running, state);
1433

    
1434
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1435
        e->cb(e->opaque, running, state);
1436
    }
1437
}
1438

    
1439
void vm_start(void)
1440
{
1441
    if (!runstate_is_running()) {
1442
        cpu_enable_ticks();
1443
        runstate_set(RUN_STATE_RUNNING);
1444
        vm_state_notify(1, RUN_STATE_RUNNING);
1445
        resume_all_vcpus();
1446
        monitor_protocol_event(QEVENT_RESUME, NULL);
1447
    }
1448
}
1449

    
1450
/* reset/shutdown handler */
1451

    
1452
typedef struct QEMUResetEntry {
1453
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1454
    QEMUResetHandler *func;
1455
    void *opaque;
1456
} QEMUResetEntry;
1457

    
1458
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1459
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1460
static int reset_requested;
1461
static int shutdown_requested, shutdown_signal = -1;
1462
static pid_t shutdown_pid;
1463
static int powerdown_requested;
1464
static int debug_requested;
1465
static int suspend_requested;
1466
static int wakeup_requested;
1467
static NotifierList powerdown_notifiers =
1468
    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1469
static NotifierList suspend_notifiers =
1470
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1471
static NotifierList wakeup_notifiers =
1472
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1473
static uint32_t wakeup_reason_mask = ~0;
1474
static RunState vmstop_requested = RUN_STATE_MAX;
1475

    
1476
int qemu_shutdown_requested_get(void)
1477
{
1478
    return shutdown_requested;
1479
}
1480

    
1481
int qemu_reset_requested_get(void)
1482
{
1483
    return reset_requested;
1484
}
1485

    
1486
static int qemu_shutdown_requested(void)
1487
{
1488
    int r = shutdown_requested;
1489
    shutdown_requested = 0;
1490
    return r;
1491
}
1492

    
1493
static void qemu_kill_report(void)
1494
{
1495
    if (!qtest_enabled() && shutdown_signal != -1) {
1496
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1497
        if (shutdown_pid == 0) {
1498
            /* This happens for eg ^C at the terminal, so it's worth
1499
             * avoiding printing an odd message in that case.
1500
             */
1501
            fputc('\n', stderr);
1502
        } else {
1503
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1504
        }
1505
        shutdown_signal = -1;
1506
    }
1507
}
1508

    
1509
static int qemu_reset_requested(void)
1510
{
1511
    int r = reset_requested;
1512
    reset_requested = 0;
1513
    return r;
1514
}
1515

    
1516
static int qemu_suspend_requested(void)
1517
{
1518
    int r = suspend_requested;
1519
    suspend_requested = 0;
1520
    return r;
1521
}
1522

    
1523
static int qemu_wakeup_requested(void)
1524
{
1525
    int r = wakeup_requested;
1526
    wakeup_requested = 0;
1527
    return r;
1528
}
1529

    
1530
static int qemu_powerdown_requested(void)
1531
{
1532
    int r = powerdown_requested;
1533
    powerdown_requested = 0;
1534
    return r;
1535
}
1536

    
1537
static int qemu_debug_requested(void)
1538
{
1539
    int r = debug_requested;
1540
    debug_requested = 0;
1541
    return r;
1542
}
1543

    
1544
/* We use RUN_STATE_MAX but any invalid value will do */
1545
static bool qemu_vmstop_requested(RunState *r)
1546
{
1547
    if (vmstop_requested < RUN_STATE_MAX) {
1548
        *r = vmstop_requested;
1549
        vmstop_requested = RUN_STATE_MAX;
1550
        return true;
1551
    }
1552

    
1553
    return false;
1554
}
1555

    
1556
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1557
{
1558
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1559

    
1560
    re->func = func;
1561
    re->opaque = opaque;
1562
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1563
}
1564

    
1565
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1566
{
1567
    QEMUResetEntry *re;
1568

    
1569
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1570
        if (re->func == func && re->opaque == opaque) {
1571
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1572
            g_free(re);
1573
            return;
1574
        }
1575
    }
1576
}
1577

    
1578
void qemu_devices_reset(void)
1579
{
1580
    QEMUResetEntry *re, *nre;
1581

    
1582
    /* reset all devices */
1583
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1584
        re->func(re->opaque);
1585
    }
1586
}
1587

    
1588
void qemu_system_reset(bool report)
1589
{
1590
    if (current_machine && current_machine->reset) {
1591
        current_machine->reset();
1592
    } else {
1593
        qemu_devices_reset();
1594
    }
1595
    if (report) {
1596
        monitor_protocol_event(QEVENT_RESET, NULL);
1597
    }
1598
    cpu_synchronize_all_post_reset();
1599
}
1600

    
1601
void qemu_system_reset_request(void)
1602
{
1603
    if (no_reboot) {
1604
        shutdown_requested = 1;
1605
    } else {
1606
        reset_requested = 1;
1607
    }
1608
    cpu_stop_current();
1609
    qemu_notify_event();
1610
}
1611

    
1612
static void qemu_system_suspend(void)
1613
{
1614
    pause_all_vcpus();
1615
    notifier_list_notify(&suspend_notifiers, NULL);
1616
    runstate_set(RUN_STATE_SUSPENDED);
1617
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1618
}
1619

    
1620
void qemu_system_suspend_request(void)
1621
{
1622
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1623
        return;
1624
    }
1625
    suspend_requested = 1;
1626
    cpu_stop_current();
1627
    qemu_notify_event();
1628
}
1629

    
1630
void qemu_register_suspend_notifier(Notifier *notifier)
1631
{
1632
    notifier_list_add(&suspend_notifiers, notifier);
1633
}
1634

    
1635
void qemu_system_wakeup_request(WakeupReason reason)
1636
{
1637
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1638
        return;
1639
    }
1640
    if (!(wakeup_reason_mask & (1 << reason))) {
1641
        return;
1642
    }
1643
    runstate_set(RUN_STATE_RUNNING);
1644
    notifier_list_notify(&wakeup_notifiers, &reason);
1645
    wakeup_requested = 1;
1646
    qemu_notify_event();
1647
}
1648

    
1649
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1650
{
1651
    if (enabled) {
1652
        wakeup_reason_mask |= (1 << reason);
1653
    } else {
1654
        wakeup_reason_mask &= ~(1 << reason);
1655
    }
1656
}
1657

    
1658
void qemu_register_wakeup_notifier(Notifier *notifier)
1659
{
1660
    notifier_list_add(&wakeup_notifiers, notifier);
1661
}
1662

    
1663
void qemu_system_killed(int signal, pid_t pid)
1664
{
1665
    shutdown_signal = signal;
1666
    shutdown_pid = pid;
1667
    no_shutdown = 0;
1668
    qemu_system_shutdown_request();
1669
}
1670

    
1671
void qemu_system_shutdown_request(void)
1672
{
1673
    shutdown_requested = 1;
1674
    qemu_notify_event();
1675
}
1676

    
1677
static void qemu_system_powerdown(void)
1678
{
1679
    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1680
    notifier_list_notify(&powerdown_notifiers, NULL);
1681
}
1682

    
1683
void qemu_system_powerdown_request(void)
1684
{
1685
    powerdown_requested = 1;
1686
    qemu_notify_event();
1687
}
1688

    
1689
void qemu_register_powerdown_notifier(Notifier *notifier)
1690
{
1691
    notifier_list_add(&powerdown_notifiers, notifier);
1692
}
1693

    
1694
void qemu_system_debug_request(void)
1695
{
1696
    debug_requested = 1;
1697
    qemu_notify_event();
1698
}
1699

    
1700
void qemu_system_vmstop_request(RunState state)
1701
{
1702
    vmstop_requested = state;
1703
    qemu_notify_event();
1704
}
1705

    
1706
static bool main_loop_should_exit(void)
1707
{
1708
    RunState r;
1709
    if (qemu_debug_requested()) {
1710
        vm_stop(RUN_STATE_DEBUG);
1711
    }
1712
    if (qemu_suspend_requested()) {
1713
        qemu_system_suspend();
1714
    }
1715
    if (qemu_shutdown_requested()) {
1716
        qemu_kill_report();
1717
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1718
        if (no_shutdown) {
1719
            vm_stop(RUN_STATE_SHUTDOWN);
1720
        } else {
1721
            return true;
1722
        }
1723
    }
1724
    if (qemu_reset_requested()) {
1725
        pause_all_vcpus();
1726
        cpu_synchronize_all_states();
1727
        qemu_system_reset(VMRESET_REPORT);
1728
        resume_all_vcpus();
1729
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1730
            runstate_check(RUN_STATE_SHUTDOWN)) {
1731
            runstate_set(RUN_STATE_PAUSED);
1732
        }
1733
    }
1734
    if (qemu_wakeup_requested()) {
1735
        pause_all_vcpus();
1736
        cpu_synchronize_all_states();
1737
        qemu_system_reset(VMRESET_SILENT);
1738
        resume_all_vcpus();
1739
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1740
    }
1741
    if (qemu_powerdown_requested()) {
1742
        qemu_system_powerdown();
1743
    }
1744
    if (qemu_vmstop_requested(&r)) {
1745
        vm_stop(r);
1746
    }
1747
    return false;
1748
}
1749

    
1750
static void main_loop(void)
1751
{
1752
    bool nonblocking;
1753
    int last_io = 0;
1754
#ifdef CONFIG_PROFILER
1755
    int64_t ti;
1756
#endif
1757
    do {
1758
        nonblocking = !kvm_enabled() && last_io > 0;
1759
#ifdef CONFIG_PROFILER
1760
        ti = profile_getclock();
1761
#endif
1762
        last_io = main_loop_wait(nonblocking);
1763
#ifdef CONFIG_PROFILER
1764
        dev_time += profile_getclock() - ti;
1765
#endif
1766
    } while (!main_loop_should_exit());
1767
}
1768

    
1769
static void version(void)
1770
{
1771
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1772
}
1773

    
1774
static void help(int exitcode)
1775
{
1776
    version();
1777
    printf("usage: %s [options] [disk_image]\n\n"
1778
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1779
            error_get_progname());
1780

    
1781
#define QEMU_OPTIONS_GENERATE_HELP
1782
#include "qemu-options-wrapper.h"
1783

    
1784
    printf("\nDuring emulation, the following keys are useful:\n"
1785
           "ctrl-alt-f      toggle full screen\n"
1786
           "ctrl-alt-n      switch to virtual console 'n'\n"
1787
           "ctrl-alt        toggle mouse and keyboard grab\n"
1788
           "\n"
1789
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1790

    
1791
    exit(exitcode);
1792
}
1793

    
1794
#define HAS_ARG 0x0001
1795

    
1796
typedef struct QEMUOption {
1797
    const char *name;
1798
    int flags;
1799
    int index;
1800
    uint32_t arch_mask;
1801
} QEMUOption;
1802

    
1803
static const QEMUOption qemu_options[] = {
1804
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1805
#define QEMU_OPTIONS_GENERATE_OPTIONS
1806
#include "qemu-options-wrapper.h"
1807
    { NULL },
1808
};
1809

    
1810
static bool vga_available(void)
1811
{
1812
    return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1813
}
1814

    
1815
static bool cirrus_vga_available(void)
1816
{
1817
    return object_class_by_name("cirrus-vga")
1818
           || object_class_by_name("isa-cirrus-vga");
1819
}
1820

    
1821
static bool vmware_vga_available(void)
1822
{
1823
    return object_class_by_name("vmware-svga");
1824
}
1825

    
1826
static bool qxl_vga_available(void)
1827
{
1828
    return object_class_by_name("qxl-vga");
1829
}
1830

    
1831
static void select_vgahw (const char *p)
1832
{
1833
    const char *opts;
1834

    
1835
    vga_interface_type = VGA_NONE;
1836
    if (strstart(p, "std", &opts)) {
1837
        if (vga_available()) {
1838
            vga_interface_type = VGA_STD;
1839
        } else {
1840
            fprintf(stderr, "Error: standard VGA not available\n");
1841
            exit(0);
1842
        }
1843
    } else if (strstart(p, "cirrus", &opts)) {
1844
        if (cirrus_vga_available()) {
1845
            vga_interface_type = VGA_CIRRUS;
1846
        } else {
1847
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1848
            exit(0);
1849
        }
1850
    } else if (strstart(p, "vmware", &opts)) {
1851
        if (vmware_vga_available()) {
1852
            vga_interface_type = VGA_VMWARE;
1853
        } else {
1854
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1855
            exit(0);
1856
        }
1857
    } else if (strstart(p, "xenfb", &opts)) {
1858
        vga_interface_type = VGA_XENFB;
1859
    } else if (strstart(p, "qxl", &opts)) {
1860
        if (qxl_vga_available()) {
1861
            vga_interface_type = VGA_QXL;
1862
        } else {
1863
            fprintf(stderr, "Error: QXL VGA not available\n");
1864
            exit(0);
1865
        }
1866
    } else if (!strstart(p, "none", &opts)) {
1867
    invalid_vga:
1868
        fprintf(stderr, "Unknown vga type: %s\n", p);
1869
        exit(1);
1870
    }
1871
    while (*opts) {
1872
        const char *nextopt;
1873

    
1874
        if (strstart(opts, ",retrace=", &nextopt)) {
1875
            opts = nextopt;
1876
            if (strstart(opts, "dumb", &nextopt))
1877
                vga_retrace_method = VGA_RETRACE_DUMB;
1878
            else if (strstart(opts, "precise", &nextopt))
1879
                vga_retrace_method = VGA_RETRACE_PRECISE;
1880
            else goto invalid_vga;
1881
        } else goto invalid_vga;
1882
        opts = nextopt;
1883
    }
1884
}
1885

    
1886
static DisplayType select_display(const char *p)
1887
{
1888
    const char *opts;
1889
    DisplayType display = DT_DEFAULT;
1890

    
1891
    if (strstart(p, "sdl", &opts)) {
1892
#ifdef CONFIG_SDL
1893
        display = DT_SDL;
1894
        while (*opts) {
1895
            const char *nextopt;
1896

    
1897
            if (strstart(opts, ",frame=", &nextopt)) {
1898
                opts = nextopt;
1899
                if (strstart(opts, "on", &nextopt)) {
1900
                    no_frame = 0;
1901
                } else if (strstart(opts, "off", &nextopt)) {
1902
                    no_frame = 1;
1903
                } else {
1904
                    goto invalid_sdl_args;
1905
                }
1906
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1907
                opts = nextopt;
1908
                if (strstart(opts, "on", &nextopt)) {
1909
                    alt_grab = 1;
1910
                } else if (strstart(opts, "off", &nextopt)) {
1911
                    alt_grab = 0;
1912
                } else {
1913
                    goto invalid_sdl_args;
1914
                }
1915
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1916
                opts = nextopt;
1917
                if (strstart(opts, "on", &nextopt)) {
1918
                    ctrl_grab = 1;
1919
                } else if (strstart(opts, "off", &nextopt)) {
1920
                    ctrl_grab = 0;
1921
                } else {
1922
                    goto invalid_sdl_args;
1923
                }
1924
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1925
                opts = nextopt;
1926
                if (strstart(opts, "on", &nextopt)) {
1927
                    no_quit = 0;
1928
                } else if (strstart(opts, "off", &nextopt)) {
1929
                    no_quit = 1;
1930
                } else {
1931
                    goto invalid_sdl_args;
1932
                }
1933
            } else {
1934
            invalid_sdl_args:
1935
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1936
                exit(1);
1937
            }
1938
            opts = nextopt;
1939
        }
1940
#else
1941
        fprintf(stderr, "SDL support is disabled\n");
1942
        exit(1);
1943
#endif
1944
    } else if (strstart(p, "vnc", &opts)) {
1945
#ifdef CONFIG_VNC
1946
        display_remote++;
1947

    
1948
        if (*opts) {
1949
            const char *nextopt;
1950

    
1951
            if (strstart(opts, "=", &nextopt)) {
1952
                vnc_display = nextopt;
1953
            }
1954
        }
1955
        if (!vnc_display) {
1956
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1957
            exit(1);
1958
        }
1959
#else
1960
        fprintf(stderr, "VNC support is disabled\n");
1961
        exit(1);
1962
#endif
1963
    } else if (strstart(p, "curses", &opts)) {
1964
#ifdef CONFIG_CURSES
1965
        display = DT_CURSES;
1966
#else
1967
        fprintf(stderr, "Curses support is disabled\n");
1968
        exit(1);
1969
#endif
1970
    } else if (strstart(p, "none", &opts)) {
1971
        display = DT_NONE;
1972
    } else {
1973
        fprintf(stderr, "Unknown display type: %s\n", p);
1974
        exit(1);
1975
    }
1976

    
1977
    return display;
1978
}
1979

    
1980
static int balloon_parse(const char *arg)
1981
{
1982
    QemuOpts *opts;
1983

    
1984
    if (strcmp(arg, "none") == 0) {
1985
        return 0;
1986
    }
1987

    
1988
    if (!strncmp(arg, "virtio", 6)) {
1989
        if (arg[6] == ',') {
1990
            /* have params -> parse them */
1991
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1992
            if (!opts)
1993
                return  -1;
1994
        } else {
1995
            /* create empty opts */
1996
            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
1997
        }
1998
        qemu_opt_set(opts, "driver", "virtio-balloon");
1999
        return 0;
2000
    }
2001

    
2002
    return -1;
2003
}
2004

    
2005
char *qemu_find_file(int type, const char *name)
2006
{
2007
    int len;
2008
    const char *subdir;
2009
    char *buf;
2010

    
2011
    /* Try the name as a straight path first */
2012
    if (access(name, R_OK) == 0) {
2013
        return g_strdup(name);
2014
    }
2015
    switch (type) {
2016
    case QEMU_FILE_TYPE_BIOS:
2017
        subdir = "";
2018
        break;
2019
    case QEMU_FILE_TYPE_KEYMAP:
2020
        subdir = "keymaps/";
2021
        break;
2022
    default:
2023
        abort();
2024
    }
2025
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2026
    buf = g_malloc0(len);
2027
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2028
    if (access(buf, R_OK)) {
2029
        g_free(buf);
2030
        return NULL;
2031
    }
2032
    return buf;
2033
}
2034

    
2035
static int device_help_func(QemuOpts *opts, void *opaque)
2036
{
2037
    return qdev_device_help(opts);
2038
}
2039

    
2040
static int device_init_func(QemuOpts *opts, void *opaque)
2041
{
2042
    DeviceState *dev;
2043

    
2044
    dev = qdev_device_add(opts);
2045
    if (!dev)
2046
        return -1;
2047
    return 0;
2048
}
2049

    
2050
static int chardev_init_func(QemuOpts *opts, void *opaque)
2051
{
2052
    CharDriverState *chr;
2053

    
2054
    chr = qemu_chr_new_from_opts(opts, NULL);
2055
    if (!chr)
2056
        return -1;
2057
    return 0;
2058
}
2059

    
2060
#ifdef CONFIG_VIRTFS
2061
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2062
{
2063
    int ret;
2064
    ret = qemu_fsdev_add(opts);
2065

    
2066
    return ret;
2067
}
2068
#endif
2069

    
2070
static int mon_init_func(QemuOpts *opts, void *opaque)
2071
{
2072
    CharDriverState *chr;
2073
    const char *chardev;
2074
    const char *mode;
2075
    int flags;
2076

    
2077
    mode = qemu_opt_get(opts, "mode");
2078
    if (mode == NULL) {
2079
        mode = "readline";
2080
    }
2081
    if (strcmp(mode, "readline") == 0) {
2082
        flags = MONITOR_USE_READLINE;
2083
    } else if (strcmp(mode, "control") == 0) {
2084
        flags = MONITOR_USE_CONTROL;
2085
    } else {
2086
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2087
        exit(1);
2088
    }
2089

    
2090
    if (qemu_opt_get_bool(opts, "pretty", 0))
2091
        flags |= MONITOR_USE_PRETTY;
2092

    
2093
    if (qemu_opt_get_bool(opts, "default", 0))
2094
        flags |= MONITOR_IS_DEFAULT;
2095

    
2096
    chardev = qemu_opt_get(opts, "chardev");
2097
    chr = qemu_chr_find(chardev);
2098
    if (chr == NULL) {
2099
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2100
        exit(1);
2101
    }
2102

    
2103
    monitor_init(chr, flags);
2104
    return 0;
2105
}
2106

    
2107
static void monitor_parse(const char *optarg, const char *mode)
2108
{
2109
    static int monitor_device_index = 0;
2110
    QemuOpts *opts;
2111
    const char *p;
2112
    char label[32];
2113
    int def = 0;
2114

    
2115
    if (strstart(optarg, "chardev:", &p)) {
2116
        snprintf(label, sizeof(label), "%s", p);
2117
    } else {
2118
        snprintf(label, sizeof(label), "compat_monitor%d",
2119
                 monitor_device_index);
2120
        if (monitor_device_index == 0) {
2121
            def = 1;
2122
        }
2123
        opts = qemu_chr_parse_compat(label, optarg);
2124
        if (!opts) {
2125
            fprintf(stderr, "parse error: %s\n", optarg);
2126
            exit(1);
2127
        }
2128
    }
2129

    
2130
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2131
    if (!opts) {
2132
        fprintf(stderr, "duplicate chardev: %s\n", label);
2133
        exit(1);
2134
    }
2135
    qemu_opt_set(opts, "mode", mode);
2136
    qemu_opt_set(opts, "chardev", label);
2137
    if (def)
2138
        qemu_opt_set(opts, "default", "on");
2139
    monitor_device_index++;
2140
}
2141

    
2142
struct device_config {
2143
    enum {
2144
        DEV_USB,       /* -usbdevice     */
2145
        DEV_BT,        /* -bt            */
2146
        DEV_SERIAL,    /* -serial        */
2147
        DEV_PARALLEL,  /* -parallel      */
2148
        DEV_VIRTCON,   /* -virtioconsole */
2149
        DEV_DEBUGCON,  /* -debugcon */
2150
        DEV_GDB,       /* -gdb, -s */
2151
    } type;
2152
    const char *cmdline;
2153
    Location loc;
2154
    QTAILQ_ENTRY(device_config) next;
2155
};
2156

    
2157
static QTAILQ_HEAD(, device_config) device_configs =
2158
    QTAILQ_HEAD_INITIALIZER(device_configs);
2159

    
2160
static void add_device_config(int type, const char *cmdline)
2161
{
2162
    struct device_config *conf;
2163

    
2164
    conf = g_malloc0(sizeof(*conf));
2165
    conf->type = type;
2166
    conf->cmdline = cmdline;
2167
    loc_save(&conf->loc);
2168
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2169
}
2170

    
2171
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2172
{
2173
    struct device_config *conf;
2174
    int rc;
2175

    
2176
    QTAILQ_FOREACH(conf, &device_configs, next) {
2177
        if (conf->type != type)
2178
            continue;
2179
        loc_push_restore(&conf->loc);
2180
        rc = func(conf->cmdline);
2181
        loc_pop(&conf->loc);
2182
        if (0 != rc)
2183
            return rc;
2184
    }
2185
    return 0;
2186
}
2187

    
2188
static int serial_parse(const char *devname)
2189
{
2190
    static int index = 0;
2191
    char label[32];
2192

    
2193
    if (strcmp(devname, "none") == 0)
2194
        return 0;
2195
    if (index == MAX_SERIAL_PORTS) {
2196
        fprintf(stderr, "qemu: too many serial ports\n");
2197
        exit(1);
2198
    }
2199
    snprintf(label, sizeof(label), "serial%d", index);
2200
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2201
    if (!serial_hds[index]) {
2202
        fprintf(stderr, "qemu: could not connect serial device"
2203
                " to character backend '%s'\n", devname);
2204
        return -1;
2205
    }
2206
    index++;
2207
    return 0;
2208
}
2209

    
2210
static int parallel_parse(const char *devname)
2211
{
2212
    static int index = 0;
2213
    char label[32];
2214

    
2215
    if (strcmp(devname, "none") == 0)
2216
        return 0;
2217
    if (index == MAX_PARALLEL_PORTS) {
2218
        fprintf(stderr, "qemu: too many parallel ports\n");
2219
        exit(1);
2220
    }
2221
    snprintf(label, sizeof(label), "parallel%d", index);
2222
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2223
    if (!parallel_hds[index]) {
2224
        fprintf(stderr, "qemu: could not connect parallel device"
2225
                " to character backend '%s'\n", devname);
2226
        return -1;
2227
    }
2228
    index++;
2229
    return 0;
2230
}
2231

    
2232
static int virtcon_parse(const char *devname)
2233
{
2234
    QemuOptsList *device = qemu_find_opts("device");
2235
    static int index = 0;
2236
    char label[32];
2237
    QemuOpts *bus_opts, *dev_opts;
2238

    
2239
    if (strcmp(devname, "none") == 0)
2240
        return 0;
2241
    if (index == MAX_VIRTIO_CONSOLES) {
2242
        fprintf(stderr, "qemu: too many virtio consoles\n");
2243
        exit(1);
2244
    }
2245

    
2246
    bus_opts = qemu_opts_create_nofail(device);
2247
    if (arch_type == QEMU_ARCH_S390X) {
2248
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2249
    } else {
2250
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2251
    } 
2252

    
2253
    dev_opts = qemu_opts_create_nofail(device);
2254
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2255

    
2256
    snprintf(label, sizeof(label), "virtcon%d", index);
2257
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2258
    if (!virtcon_hds[index]) {
2259
        fprintf(stderr, "qemu: could not connect virtio console"
2260
                " to character backend '%s'\n", devname);
2261
        return -1;
2262
    }
2263
    qemu_opt_set(dev_opts, "chardev", label);
2264

    
2265
    index++;
2266
    return 0;
2267
}
2268

    
2269
static int debugcon_parse(const char *devname)
2270
{   
2271
    QemuOpts *opts;
2272

    
2273
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2274
        exit(1);
2275
    }
2276
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2277
    if (!opts) {
2278
        fprintf(stderr, "qemu: already have a debugcon device\n");
2279
        exit(1);
2280
    }
2281
    qemu_opt_set(opts, "driver", "isa-debugcon");
2282
    qemu_opt_set(opts, "chardev", "debugcon");
2283
    return 0;
2284
}
2285

    
2286
static QEMUMachine *machine_parse(const char *name)
2287
{
2288
    QEMUMachine *m, *machine = NULL;
2289

    
2290
    if (name) {
2291
        machine = find_machine(name);
2292
    }
2293
    if (machine) {
2294
        return machine;
2295
    }
2296
    printf("Supported machines are:\n");
2297
    for (m = first_machine; m != NULL; m = m->next) {
2298
        if (m->alias) {
2299
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2300
        }
2301
        printf("%-20s %s%s\n", m->name, m->desc,
2302
               m->is_default ? " (default)" : "");
2303
    }
2304
    exit(!name || !is_help_option(name));
2305
}
2306

    
2307
static int tcg_init(void)
2308
{
2309
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2310
    return 0;
2311
}
2312

    
2313
static struct {
2314
    const char *opt_name;
2315
    const char *name;
2316
    int (*available)(void);
2317
    int (*init)(void);
2318
    int *allowed;
2319
} accel_list[] = {
2320
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2321
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2322
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2323
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2324
};
2325

    
2326
static int configure_accelerator(void)
2327
{
2328
    const char *p = NULL;
2329
    char buf[10];
2330
    int i, ret;
2331
    bool accel_initialised = 0;
2332
    bool init_failed = 0;
2333

    
2334
    QemuOptsList *list = qemu_find_opts("machine");
2335
    if (!QTAILQ_EMPTY(&list->head)) {
2336
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2337
    }
2338

    
2339
    if (p == NULL) {
2340
        /* Use the default "accelerator", tcg */
2341
        p = "tcg";
2342
    }
2343

    
2344
    while (!accel_initialised && *p != '\0') {
2345
        if (*p == ':') {
2346
            p++;
2347
        }
2348
        p = get_opt_name(buf, sizeof (buf), p, ':');
2349
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2350
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2351
                *(accel_list[i].allowed) = 1;
2352
                ret = accel_list[i].init();
2353
                if (ret < 0) {
2354
                    init_failed = 1;
2355
                    if (!accel_list[i].available()) {
2356
                        printf("%s not supported for this target\n",
2357
                               accel_list[i].name);
2358
                    } else {
2359
                        fprintf(stderr, "failed to initialize %s: %s\n",
2360
                                accel_list[i].name,
2361
                                strerror(-ret));
2362
                    }
2363
                    *(accel_list[i].allowed) = 0;
2364
                } else {
2365
                    accel_initialised = 1;
2366
                }
2367
                break;
2368
            }
2369
        }
2370
        if (i == ARRAY_SIZE(accel_list)) {
2371
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2372
        }
2373
    }
2374

    
2375
    if (!accel_initialised) {
2376
        fprintf(stderr, "No accelerator found!\n");
2377
        exit(1);
2378
    }
2379

    
2380
    if (init_failed) {
2381
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2382
    }
2383

    
2384
    return !accel_initialised;
2385
}
2386

    
2387
void qemu_add_exit_notifier(Notifier *notify)
2388
{
2389
    notifier_list_add(&exit_notifiers, notify);
2390
}
2391

    
2392
void qemu_remove_exit_notifier(Notifier *notify)
2393
{
2394
    notifier_remove(notify);
2395
}
2396

    
2397
static void qemu_run_exit_notifiers(void)
2398
{
2399
    notifier_list_notify(&exit_notifiers, NULL);
2400
}
2401

    
2402
void qemu_add_machine_init_done_notifier(Notifier *notify)
2403
{
2404
    notifier_list_add(&machine_init_done_notifiers, notify);
2405
}
2406

    
2407
static void qemu_run_machine_init_done_notifiers(void)
2408
{
2409
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2410
}
2411

    
2412
static const QEMUOption *lookup_opt(int argc, char **argv,
2413
                                    const char **poptarg, int *poptind)
2414
{
2415
    const QEMUOption *popt;
2416
    int optind = *poptind;
2417
    char *r = argv[optind];
2418
    const char *optarg;
2419

    
2420
    loc_set_cmdline(argv, optind, 1);
2421
    optind++;
2422
    /* Treat --foo the same as -foo.  */
2423
    if (r[1] == '-')
2424
        r++;
2425
    popt = qemu_options;
2426
    for(;;) {
2427
        if (!popt->name) {
2428
            error_report("invalid option");
2429
            exit(1);
2430
        }
2431
        if (!strcmp(popt->name, r + 1))
2432
            break;
2433
        popt++;
2434
    }
2435
    if (popt->flags & HAS_ARG) {
2436
        if (optind >= argc) {
2437
            error_report("requires an argument");
2438
            exit(1);
2439
        }
2440
        optarg = argv[optind++];
2441
        loc_set_cmdline(argv, optind - 2, 2);
2442
    } else {
2443
        optarg = NULL;
2444
    }
2445

    
2446
    *poptarg = optarg;
2447
    *poptind = optind;
2448

    
2449
    return popt;
2450
}
2451

    
2452
static gpointer malloc_and_trace(gsize n_bytes)
2453
{
2454
    void *ptr = malloc(n_bytes);
2455
    trace_g_malloc(n_bytes, ptr);
2456
    return ptr;
2457
}
2458

    
2459
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2460
{
2461
    void *ptr = realloc(mem, n_bytes);
2462
    trace_g_realloc(mem, n_bytes, ptr);
2463
    return ptr;
2464
}
2465

    
2466
static void free_and_trace(gpointer mem)
2467
{
2468
    trace_g_free(mem);
2469
    free(mem);
2470
}
2471

    
2472
static int object_set_property(const char *name, const char *value, void *opaque)
2473
{
2474
    Object *obj = OBJECT(opaque);
2475
    StringInputVisitor *siv;
2476
    Error *local_err = NULL;
2477

    
2478
    if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2479
        return 0;
2480
    }
2481

    
2482
    siv = string_input_visitor_new(value);
2483
    object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2484
    string_input_visitor_cleanup(siv);
2485

    
2486
    if (local_err) {
2487
        qerror_report_err(local_err);
2488
        error_free(local_err);
2489
        return -1;
2490
    }
2491

    
2492
    return 0;
2493
}
2494

    
2495
static int object_create(QemuOpts *opts, void *opaque)
2496
{
2497
    const char *type = qemu_opt_get(opts, "qom-type");
2498
    const char *id = qemu_opts_id(opts);
2499
    Object *obj;
2500

    
2501
    g_assert(type != NULL);
2502

    
2503
    if (id == NULL) {
2504
        qerror_report(QERR_MISSING_PARAMETER, "id");
2505
        return -1;
2506
    }
2507

    
2508
    obj = object_new(type);
2509
    if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2510
        return -1;
2511
    }
2512

    
2513
    object_property_add_child(container_get(object_get_root(), "/objects"),
2514
                              id, obj, NULL);
2515

    
2516
    return 0;
2517
}
2518

    
2519
int main(int argc, char **argv, char **envp)
2520
{
2521
    int i;
2522
    int snapshot, linux_boot;
2523
    const char *icount_option = NULL;
2524
    const char *initrd_filename;
2525
    const char *kernel_filename, *kernel_cmdline;
2526
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2527
    DisplayState *ds;
2528
    int cyls, heads, secs, translation;
2529
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2530
    QemuOptsList *olist;
2531
    int optind;
2532
    const char *optarg;
2533
    const char *loadvm = NULL;
2534
    QEMUMachine *machine;
2535
    const char *cpu_model;
2536
    const char *vga_model = "none";
2537
    const char *pid_file = NULL;
2538
    const char *incoming = NULL;
2539
#ifdef CONFIG_VNC
2540
    int show_vnc_port = 0;
2541
#endif
2542
    bool defconfig = true;
2543
    bool userconfig = true;
2544
    const char *log_mask = NULL;
2545
    const char *log_file = NULL;
2546
    GMemVTable mem_trace = {
2547
        .malloc = malloc_and_trace,
2548
        .realloc = realloc_and_trace,
2549
        .free = free_and_trace,
2550
    };
2551
    const char *trace_events = NULL;
2552
    const char *trace_file = NULL;
2553

    
2554
    atexit(qemu_run_exit_notifiers);
2555
    error_set_progname(argv[0]);
2556

    
2557
    g_mem_set_vtable(&mem_trace);
2558
    if (!g_thread_supported()) {
2559
#if !GLIB_CHECK_VERSION(2, 31, 0)
2560
        g_thread_init(NULL);
2561
#else
2562
        fprintf(stderr, "glib threading failed to initialize.\n");
2563
        exit(1);
2564
#endif
2565
    }
2566

    
2567
    module_call_init(MODULE_INIT_QOM);
2568

    
2569
    runstate_init();
2570

    
2571
    init_clocks();
2572
    rtc_clock = host_clock;
2573

    
2574
    qemu_cache_utils_init(envp);
2575

    
2576
    QLIST_INIT (&vm_change_state_head);
2577
    os_setup_early_signal_handling();
2578

    
2579
    module_call_init(MODULE_INIT_MACHINE);
2580
    machine = find_default_machine();
2581
    cpu_model = NULL;
2582
    ram_size = 0;
2583
    snapshot = 0;
2584
    cyls = heads = secs = 0;
2585
    translation = BIOS_ATA_TRANSLATION_AUTO;
2586

    
2587
    for (i = 0; i < MAX_NODES; i++) {
2588
        node_mem[i] = 0;
2589
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2590
    }
2591

    
2592
    nb_numa_nodes = 0;
2593
    nb_nics = 0;
2594

    
2595
    autostart= 1;
2596

    
2597
    /* first pass of option parsing */
2598
    optind = 1;
2599
    while (optind < argc) {
2600
        if (argv[optind][0] != '-') {
2601
            /* disk image */
2602
            optind++;
2603
            continue;
2604
        } else {
2605
            const QEMUOption *popt;
2606

    
2607
            popt = lookup_opt(argc, argv, &optarg, &optind);
2608
            switch (popt->index) {
2609
            case QEMU_OPTION_nodefconfig:
2610
                defconfig = false;
2611
                break;
2612
            case QEMU_OPTION_nouserconfig:
2613
                userconfig = false;
2614
                break;
2615
            }
2616
        }
2617
    }
2618

    
2619
    if (defconfig) {
2620
        int ret;
2621
        ret = qemu_read_default_config_files(userconfig);
2622
        if (ret < 0) {
2623
            exit(1);
2624
        }
2625
    }
2626

    
2627
    /* second pass of option parsing */
2628
    optind = 1;
2629
    for(;;) {
2630
        if (optind >= argc)
2631
            break;
2632
        if (argv[optind][0] != '-') {
2633
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2634
        } else {
2635
            const QEMUOption *popt;
2636

    
2637
            popt = lookup_opt(argc, argv, &optarg, &optind);
2638
            if (!(popt->arch_mask & arch_type)) {
2639
                printf("Option %s not supported for this target\n", popt->name);
2640
                exit(1);
2641
            }
2642
            switch(popt->index) {
2643
            case QEMU_OPTION_M:
2644
                machine = machine_parse(optarg);
2645
                break;
2646
            case QEMU_OPTION_no_kvm_irqchip: {
2647
                olist = qemu_find_opts("machine");
2648
                qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2649
                break;
2650
            }
2651
            case QEMU_OPTION_cpu:
2652
                /* hw initialization will check this */
2653
                cpu_model = optarg;
2654
                break;
2655
            case QEMU_OPTION_hda:
2656
                {
2657
                    char buf[256];
2658
                    if (cyls == 0)
2659
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2660
                    else
2661
                        snprintf(buf, sizeof(buf),
2662
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2663
                                 HD_OPTS , cyls, heads, secs,
2664
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2665
                                 ",trans=lba" :
2666
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2667
                                 ",trans=none" : "");
2668
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2669
                    break;
2670
                }
2671
            case QEMU_OPTION_hdb:
2672
            case QEMU_OPTION_hdc:
2673
            case QEMU_OPTION_hdd:
2674
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2675
                          HD_OPTS);
2676
                break;
2677
            case QEMU_OPTION_drive:
2678
                if (drive_def(optarg) == NULL) {
2679
                    exit(1);
2680
                }
2681
                break;
2682
            case QEMU_OPTION_set:
2683
                if (qemu_set_option(optarg) != 0)
2684
                    exit(1);
2685
                break;
2686
            case QEMU_OPTION_global:
2687
                if (qemu_global_option(optarg) != 0)
2688
                    exit(1);
2689
                break;
2690
            case QEMU_OPTION_mtdblock:
2691
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2692
                break;
2693
            case QEMU_OPTION_sd:
2694
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2695
                break;
2696
            case QEMU_OPTION_pflash:
2697
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2698
                break;
2699
            case QEMU_OPTION_snapshot:
2700
                snapshot = 1;
2701
                break;
2702
            case QEMU_OPTION_hdachs:
2703
                {
2704
                    const char *p;
2705
                    p = optarg;
2706
                    cyls = strtol(p, (char **)&p, 0);
2707
                    if (cyls < 1 || cyls > 16383)
2708
                        goto chs_fail;
2709
                    if (*p != ',')
2710
                        goto chs_fail;
2711
                    p++;
2712
                    heads = strtol(p, (char **)&p, 0);
2713
                    if (heads < 1 || heads > 16)
2714
                        goto chs_fail;
2715
                    if (*p != ',')
2716
                        goto chs_fail;
2717
                    p++;
2718
                    secs = strtol(p, (char **)&p, 0);
2719
                    if (secs < 1 || secs > 63)
2720
                        goto chs_fail;
2721
                    if (*p == ',') {
2722
                        p++;
2723
                        if (!strcmp(p, "none"))
2724
                            translation = BIOS_ATA_TRANSLATION_NONE;
2725
                        else if (!strcmp(p, "lba"))
2726
                            translation = BIOS_ATA_TRANSLATION_LBA;
2727
                        else if (!strcmp(p, "auto"))
2728
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2729
                        else
2730
                            goto chs_fail;
2731
                    } else if (*p != '\0') {
2732
                    chs_fail:
2733
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2734
                        exit(1);
2735
                    }
2736
                    if (hda_opts != NULL) {
2737
                        char num[16];
2738
                        snprintf(num, sizeof(num), "%d", cyls);
2739
                        qemu_opt_set(hda_opts, "cyls", num);
2740
                        snprintf(num, sizeof(num), "%d", heads);
2741
                        qemu_opt_set(hda_opts, "heads", num);
2742
                        snprintf(num, sizeof(num), "%d", secs);
2743
                        qemu_opt_set(hda_opts, "secs", num);
2744
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2745
                            qemu_opt_set(hda_opts, "trans", "lba");
2746
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2747
                            qemu_opt_set(hda_opts, "trans", "none");
2748
                    }
2749
                }
2750
                break;
2751
            case QEMU_OPTION_numa:
2752
                if (nb_numa_nodes >= MAX_NODES) {
2753
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2754
                    exit(1);
2755
                }
2756
                numa_add(optarg);
2757
                break;
2758
            case QEMU_OPTION_display:
2759
                display_type = select_display(optarg);
2760
                break;
2761
            case QEMU_OPTION_nographic:
2762
                display_type = DT_NOGRAPHIC;
2763
                break;
2764
            case QEMU_OPTION_curses:
2765
#ifdef CONFIG_CURSES
2766
                display_type = DT_CURSES;
2767
#else
2768
                fprintf(stderr, "Curses support is disabled\n");
2769
                exit(1);
2770
#endif
2771
                break;
2772
            case QEMU_OPTION_portrait:
2773
                graphic_rotate = 90;
2774
                break;
2775
            case QEMU_OPTION_rotate:
2776
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2777
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2778
                    graphic_rotate != 180 && graphic_rotate != 270) {
2779
                    fprintf(stderr,
2780
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2781
                    exit(1);
2782
                }
2783
                break;
2784
            case QEMU_OPTION_kernel:
2785
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2786
                break;
2787
            case QEMU_OPTION_initrd:
2788
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2789
                break;
2790
            case QEMU_OPTION_append:
2791
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2792
                break;
2793
            case QEMU_OPTION_dtb:
2794
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2795
                break;
2796
            case QEMU_OPTION_cdrom:
2797
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2798
                break;
2799
            case QEMU_OPTION_boot:
2800
                {
2801
                    static const char * const params[] = {
2802
                        "order", "once", "menu",
2803
                        "splash", "splash-time",
2804
                        "reboot-timeout", NULL
2805
                    };
2806
                    char buf[sizeof(boot_devices)];
2807
                    char *standard_boot_devices;
2808
                    int legacy = 0;
2809

    
2810
                    if (!strchr(optarg, '=')) {
2811
                        legacy = 1;
2812
                        pstrcpy(buf, sizeof(buf), optarg);
2813
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2814
                        fprintf(stderr,
2815
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2816
                                buf, optarg);
2817
                        exit(1);
2818
                    }
2819

    
2820
                    if (legacy ||
2821
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2822
                        validate_bootdevices(buf);
2823
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2824
                    }
2825
                    if (!legacy) {
2826
                        if (get_param_value(buf, sizeof(buf),
2827
                                            "once", optarg)) {
2828
                            validate_bootdevices(buf);
2829
                            standard_boot_devices = g_strdup(boot_devices);
2830
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2831
                            qemu_register_reset(restore_boot_devices,
2832
                                                standard_boot_devices);
2833
                        }
2834
                        if (get_param_value(buf, sizeof(buf),
2835
                                            "menu", optarg)) {
2836
                            if (!strcmp(buf, "on")) {
2837
                                boot_menu = 1;
2838
                            } else if (!strcmp(buf, "off")) {
2839
                                boot_menu = 0;
2840
                            } else {
2841
                                fprintf(stderr,
2842
                                        "qemu: invalid option value '%s'\n",
2843
                                        buf);
2844
                                exit(1);
2845
                            }
2846
                        }
2847
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2848
                                        optarg, 0);
2849
                    }
2850
                }
2851
                break;
2852
            case QEMU_OPTION_fda:
2853
            case QEMU_OPTION_fdb:
2854
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2855
                          optarg, FD_OPTS);
2856
                break;
2857
            case QEMU_OPTION_no_fd_bootchk:
2858
                fd_bootchk = 0;
2859
                break;
2860
            case QEMU_OPTION_netdev:
2861
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2862
                    exit(1);
2863
                }
2864
                break;
2865
            case QEMU_OPTION_net:
2866
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2867
                    exit(1);
2868
                }
2869
                break;
2870
#ifdef CONFIG_LIBISCSI
2871
            case QEMU_OPTION_iscsi:
2872
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2873
                if (!opts) {
2874
                    exit(1);
2875
                }
2876
                break;
2877
#endif
2878
#ifdef CONFIG_SLIRP
2879
            case QEMU_OPTION_tftp:
2880
                legacy_tftp_prefix = optarg;
2881
                break;
2882
            case QEMU_OPTION_bootp:
2883
                legacy_bootp_filename = optarg;
2884
                break;
2885
            case QEMU_OPTION_redir:
2886
                if (net_slirp_redir(optarg) < 0)
2887
                    exit(1);
2888
                break;
2889
#endif
2890
            case QEMU_OPTION_bt:
2891
                add_device_config(DEV_BT, optarg);
2892
                break;
2893
            case QEMU_OPTION_audio_help:
2894
                if (!(audio_available())) {
2895
                    printf("Option %s not supported for this target\n", popt->name);
2896
                    exit(1);
2897
                }
2898
                AUD_help ();
2899
                exit (0);
2900
                break;
2901
            case QEMU_OPTION_soundhw:
2902
                if (!(audio_available())) {
2903
                    printf("Option %s not supported for this target\n", popt->name);
2904
                    exit(1);
2905
                }
2906
                select_soundhw (optarg);
2907
                break;
2908
            case QEMU_OPTION_h:
2909
                help(0);
2910
                break;
2911
            case QEMU_OPTION_version:
2912
                version();
2913
                exit(0);
2914
                break;
2915
            case QEMU_OPTION_m: {
2916
                int64_t value;
2917
                uint64_t sz;
2918
                char *end;
2919

    
2920
                value = strtosz(optarg, &end);
2921
                if (value < 0 || *end) {
2922
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2923
                    exit(1);
2924
                }
2925
                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2926
                ram_size = sz;
2927
                if (ram_size != sz) {
2928
                    fprintf(stderr, "qemu: ram size too large\n");
2929
                    exit(1);
2930
                }
2931
                break;
2932
            }
2933
            case QEMU_OPTION_mempath:
2934
                mem_path = optarg;
2935
                break;
2936
#ifdef MAP_POPULATE
2937
            case QEMU_OPTION_mem_prealloc:
2938
                mem_prealloc = 1;
2939
                break;
2940
#endif
2941
            case QEMU_OPTION_d:
2942
                log_mask = optarg;
2943
                break;
2944
            case QEMU_OPTION_D:
2945
                log_file = optarg;
2946
                break;
2947
            case QEMU_OPTION_s:
2948
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2949
                break;
2950
            case QEMU_OPTION_gdb:
2951
                add_device_config(DEV_GDB, optarg);
2952
                break;
2953
            case QEMU_OPTION_L:
2954
                data_dir = optarg;
2955
                break;
2956
            case QEMU_OPTION_bios:
2957
                bios_name = optarg;
2958
                break;
2959
            case QEMU_OPTION_singlestep:
2960
                singlestep = 1;
2961
                break;
2962
            case QEMU_OPTION_S:
2963
                autostart = 0;
2964
                break;
2965
            case QEMU_OPTION_k:
2966
                keyboard_layout = optarg;
2967
                break;
2968
            case QEMU_OPTION_localtime:
2969
                rtc_utc = 0;
2970
                break;
2971
            case QEMU_OPTION_vga:
2972
                vga_model = optarg;
2973
                default_vga = 0;
2974
                break;
2975
            case QEMU_OPTION_g:
2976
                {
2977
                    const char *p;
2978
                    int w, h, depth;
2979
                    p = optarg;
2980
                    w = strtol(p, (char **)&p, 10);
2981
                    if (w <= 0) {
2982
                    graphic_error:
2983
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2984
                        exit(1);
2985
                    }
2986
                    if (*p != 'x')
2987
                        goto graphic_error;
2988
                    p++;
2989
                    h = strtol(p, (char **)&p, 10);
2990
                    if (h <= 0)
2991
                        goto graphic_error;
2992
                    if (*p == 'x') {
2993
                        p++;
2994
                        depth = strtol(p, (char **)&p, 10);
2995
                        if (depth != 8 && depth != 15 && depth != 16 &&
2996
                            depth != 24 && depth != 32)
2997
                            goto graphic_error;
2998
                    } else if (*p == '\0') {
2999
                        depth = graphic_depth;
3000
                    } else {
3001
                        goto graphic_error;
3002
                    }
3003

    
3004
                    graphic_width = w;
3005
                    graphic_height = h;
3006
                    graphic_depth = depth;
3007
                }
3008
                break;
3009
            case QEMU_OPTION_echr:
3010
                {
3011
                    char *r;
3012
                    term_escape_char = strtol(optarg, &r, 0);
3013
                    if (r == optarg)
3014
                        printf("Bad argument to echr\n");
3015
                    break;
3016
                }
3017
            case QEMU_OPTION_monitor:
3018
                monitor_parse(optarg, "readline");
3019
                default_monitor = 0;
3020
                break;
3021
            case QEMU_OPTION_qmp:
3022
                monitor_parse(optarg, "control");
3023
                default_monitor = 0;
3024
                break;
3025
            case QEMU_OPTION_mon:
3026
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3027
                if (!opts) {
3028
                    exit(1);
3029
                }
3030
                default_monitor = 0;
3031
                break;
3032
            case QEMU_OPTION_chardev:
3033
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3034
                if (!opts) {
3035
                    exit(1);
3036
                }
3037
                break;
3038
            case QEMU_OPTION_fsdev:
3039
                olist = qemu_find_opts("fsdev");
3040
                if (!olist) {
3041
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3042
                    exit(1);
3043
                }
3044
                opts = qemu_opts_parse(olist, optarg, 1);
3045
                if (!opts) {
3046
                    fprintf(stderr, "parse error: %s\n", optarg);
3047
                    exit(1);
3048
                }
3049
                break;
3050
            case QEMU_OPTION_virtfs: {
3051
                QemuOpts *fsdev;
3052
                QemuOpts *device;
3053
                const char *writeout, *sock_fd, *socket;
3054

    
3055
                olist = qemu_find_opts("virtfs");
3056
                if (!olist) {
3057
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3058
                    exit(1);
3059
                }
3060
                opts = qemu_opts_parse(olist, optarg, 1);
3061
                if (!opts) {
3062
                    fprintf(stderr, "parse error: %s\n", optarg);
3063
                    exit(1);
3064
                }
3065

    
3066
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
3067
                    qemu_opt_get(opts, "mount_tag") == NULL) {
3068
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3069
                    exit(1);
3070
                }
3071
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3072
                                         qemu_opt_get(opts, "mount_tag"),
3073
                                         1, NULL);
3074
                if (!fsdev) {
3075
                    fprintf(stderr, "duplicate fsdev id: %s\n",
3076
                            qemu_opt_get(opts, "mount_tag"));
3077
                    exit(1);
3078
                }
3079

    
3080
                writeout = qemu_opt_get(opts, "writeout");
3081
                if (writeout) {
3082
#ifdef CONFIG_SYNC_FILE_RANGE
3083
                    qemu_opt_set(fsdev, "writeout", writeout);
3084
#else
3085
                    fprintf(stderr, "writeout=immediate not supported on "
3086
                            "this platform\n");
3087
                    exit(1);
3088
#endif
3089
                }
3090
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3091
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3092
                qemu_opt_set(fsdev, "security_model",
3093
                             qemu_opt_get(opts, "security_model"));
3094
                socket = qemu_opt_get(opts, "socket");
3095
                if (socket) {
3096
                    qemu_opt_set(fsdev, "socket", socket);
3097
                }
3098
                sock_fd = qemu_opt_get(opts, "sock_fd");
3099
                if (sock_fd) {
3100
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
3101
                }
3102

    
3103
                qemu_opt_set_bool(fsdev, "readonly",
3104
                                qemu_opt_get_bool(opts, "readonly", 0));
3105
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3106
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3107
                qemu_opt_set(device, "fsdev",
3108
                             qemu_opt_get(opts, "mount_tag"));
3109
                qemu_opt_set(device, "mount_tag",
3110
                             qemu_opt_get(opts, "mount_tag"));
3111
                break;
3112
            }
3113
            case QEMU_OPTION_virtfs_synth: {
3114
                QemuOpts *fsdev;
3115
                QemuOpts *device;
3116

    
3117
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3118
                                         1, NULL);
3119
                if (!fsdev) {
3120
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3121
                    exit(1);
3122
                }
3123
                qemu_opt_set(fsdev, "fsdriver", "synth");
3124

    
3125
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3126
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3127
                qemu_opt_set(device, "fsdev", "v_synth");
3128
                qemu_opt_set(device, "mount_tag", "v_synth");
3129
                break;
3130
            }
3131
            case QEMU_OPTION_serial:
3132
                add_device_config(DEV_SERIAL, optarg);
3133
                default_serial = 0;
3134
                if (strncmp(optarg, "mon:", 4) == 0) {
3135
                    default_monitor = 0;
3136
                }
3137
                break;
3138
            case QEMU_OPTION_watchdog:
3139
                if (watchdog) {
3140
                    fprintf(stderr,
3141
                            "qemu: only one watchdog option may be given\n");
3142
                    return 1;
3143
                }
3144
                watchdog = optarg;
3145
                break;
3146
            case QEMU_OPTION_watchdog_action:
3147
                if (select_watchdog_action(optarg) == -1) {
3148
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3149
                    exit(1);
3150
                }
3151
                break;
3152
            case QEMU_OPTION_virtiocon:
3153
                add_device_config(DEV_VIRTCON, optarg);
3154
                default_virtcon = 0;
3155
                if (strncmp(optarg, "mon:", 4) == 0) {
3156
                    default_monitor = 0;
3157
                }
3158
                break;
3159
            case QEMU_OPTION_parallel:
3160
                add_device_config(DEV_PARALLEL, optarg);
3161
                default_parallel = 0;
3162
                if (strncmp(optarg, "mon:", 4) == 0) {
3163
                    default_monitor = 0;
3164
                }
3165
                break;
3166
            case QEMU_OPTION_debugcon:
3167
                add_device_config(DEV_DEBUGCON, optarg);
3168
                break;
3169
            case QEMU_OPTION_loadvm:
3170
                loadvm = optarg;
3171
                break;
3172
            case QEMU_OPTION_full_screen:
3173
                full_screen = 1;
3174
                break;
3175
#ifdef CONFIG_SDL
3176
            case QEMU_OPTION_no_frame:
3177
                no_frame = 1;
3178
                break;
3179
            case QEMU_OPTION_alt_grab:
3180
                alt_grab = 1;
3181
                break;
3182
            case QEMU_OPTION_ctrl_grab:
3183
                ctrl_grab = 1;
3184
                break;
3185
            case QEMU_OPTION_no_quit:
3186
                no_quit = 1;
3187
                break;
3188
            case QEMU_OPTION_sdl:
3189
                display_type = DT_SDL;
3190
                break;
3191
#else
3192
            case QEMU_OPTION_no_frame:
3193
            case QEMU_OPTION_alt_grab:
3194
            case QEMU_OPTION_ctrl_grab:
3195
            case QEMU_OPTION_no_quit:
3196
            case QEMU_OPTION_sdl:
3197
                fprintf(stderr, "SDL support is disabled\n");
3198
                exit(1);
3199
#endif
3200
            case QEMU_OPTION_pidfile:
3201
                pid_file = optarg;
3202
                break;
3203
            case QEMU_OPTION_win2k_hack:
3204
                win2k_install_hack = 1;
3205
                break;
3206
            case QEMU_OPTION_rtc_td_hack: {
3207
                static GlobalProperty slew_lost_ticks[] = {
3208
                    {
3209
                        .driver   = "mc146818rtc",
3210
                        .property = "lost_tick_policy",
3211
                        .value    = "slew",
3212
                    },
3213
                    { /* end of list */ }
3214
                };
3215

    
3216
                qdev_prop_register_global_list(slew_lost_ticks);
3217
                break;
3218
            }
3219
            case QEMU_OPTION_acpitable:
3220
                do_acpitable_option(optarg);
3221
                break;
3222
            case QEMU_OPTION_smbios:
3223
                do_smbios_option(optarg);
3224
                break;
3225
            case QEMU_OPTION_enable_kvm:
3226
                olist = qemu_find_opts("machine");
3227
                qemu_opts_parse(olist, "accel=kvm", 0);
3228
                break;
3229
            case QEMU_OPTION_machine:
3230
                olist = qemu_find_opts("machine");
3231
                opts = qemu_opts_parse(olist, optarg, 1);
3232
                if (!opts) {
3233
                    fprintf(stderr, "parse error: %s\n", optarg);
3234
                    exit(1);
3235
                }
3236
                optarg = qemu_opt_get(opts, "type");
3237
                if (optarg) {
3238
                    machine = machine_parse(optarg);
3239
                }
3240
                break;
3241
             case QEMU_OPTION_no_kvm:
3242
                olist = qemu_find_opts("machine");
3243
                qemu_opts_parse(olist, "accel=tcg", 0);
3244
                break;
3245
            case QEMU_OPTION_no_kvm_pit: {
3246
                fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3247
                                "separately.\n");
3248
                break;
3249
            }
3250
            case QEMU_OPTION_no_kvm_pit_reinjection: {
3251
                static GlobalProperty kvm_pit_lost_tick_policy[] = {
3252
                    {
3253
                        .driver   = "kvm-pit",
3254
                        .property = "lost_tick_policy",
3255
                        .value    = "discard",
3256
                    },
3257
                    { /* end of list */ }
3258
                };
3259

    
3260
                fprintf(stderr, "Warning: option deprecated, use "
3261
                        "lost_tick_policy property of kvm-pit instead.\n");
3262
                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3263
                break;
3264
            }
3265
            case QEMU_OPTION_usb:
3266
                olist = qemu_find_opts("machine");
3267
                qemu_opts_parse(olist, "usb=on", 0);
3268
                break;
3269
            case QEMU_OPTION_usbdevice:
3270
                olist = qemu_find_opts("machine");
3271
                qemu_opts_parse(olist, "usb=on", 0);
3272
                add_device_config(DEV_USB, optarg);
3273
                break;
3274
            case QEMU_OPTION_device:
3275
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3276
                    exit(1);
3277
                }
3278
                break;
3279
            case QEMU_OPTION_smp:
3280
                smp_parse(optarg);
3281
                if (smp_cpus < 1) {
3282
                    fprintf(stderr, "Invalid number of CPUs\n");
3283
                    exit(1);
3284
                }
3285
                if (max_cpus < smp_cpus) {
3286
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3287
                            "smp\n");
3288
                    exit(1);
3289
                }
3290
                if (max_cpus > 255) {
3291
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3292
                    exit(1);
3293
                }
3294
                break;
3295
            case QEMU_OPTION_vnc:
3296
#ifdef CONFIG_VNC
3297
                display_remote++;
3298
                vnc_display = optarg;
3299
#else
3300
                fprintf(stderr, "VNC support is disabled\n");
3301
                exit(1);
3302
#endif
3303
                break;
3304
            case QEMU_OPTION_no_acpi:
3305
                acpi_enabled = 0;
3306
                break;
3307
            case QEMU_OPTION_no_hpet:
3308
                no_hpet = 1;
3309
                break;
3310
            case QEMU_OPTION_balloon:
3311
                if (balloon_parse(optarg) < 0) {
3312
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3313
                    exit(1);
3314
                }
3315
                break;
3316
            case QEMU_OPTION_no_reboot:
3317
                no_reboot = 1;
3318
                break;
3319
            case QEMU_OPTION_no_shutdown:
3320
                no_shutdown = 1;
3321
                break;
3322
            case QEMU_OPTION_show_cursor:
3323
                cursor_hide = 0;
3324
                break;
3325
            case QEMU_OPTION_uuid:
3326
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3327
                    fprintf(stderr, "Fail to parse UUID string."
3328
                            " Wrong format.\n");
3329
                    exit(1);
3330
                }
3331
                break;
3332
            case QEMU_OPTION_option_rom:
3333
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3334
                    fprintf(stderr, "Too many option ROMs\n");
3335
                    exit(1);
3336
                }
3337
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3338
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3339
                option_rom[nb_option_roms].bootindex =
3340
                    qemu_opt_get_number(opts, "bootindex", -1);
3341
                if (!option_rom[nb_option_roms].name) {
3342
                    fprintf(stderr, "Option ROM file is not specified\n");
3343
                    exit(1);
3344
                }
3345
                nb_option_roms++;
3346
                break;
3347
            case QEMU_OPTION_semihosting:
3348
                semihosting_enabled = 1;
3349
                break;
3350
            case QEMU_OPTION_tdf:
3351
                fprintf(stderr, "Warning: user space PIT time drift fix "
3352
                                "is no longer supported.\n");
3353
                break;
3354
            case QEMU_OPTION_name:
3355
                qemu_name = g_strdup(optarg);
3356
                 {
3357
                     char *p = strchr(qemu_name, ',');
3358
                     if (p != NULL) {
3359
                        *p++ = 0;
3360
                        if (strncmp(p, "process=", 8)) {
3361
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3362
                            exit(1);
3363
                        }
3364
                        p += 8;
3365
                        os_set_proc_name(p);
3366
                     }        
3367
                 }        
3368
                break;
3369
            case QEMU_OPTION_prom_env:
3370
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3371
                    fprintf(stderr, "Too many prom variables\n");
3372
                    exit(1);
3373
                }
3374
                prom_envs[nb_prom_envs] = optarg;
3375
                nb_prom_envs++;
3376
                break;
3377
            case QEMU_OPTION_old_param:
3378
                old_param = 1;
3379
                break;
3380
            case QEMU_OPTION_clock:
3381
                configure_alarms(optarg);
3382
                break;
3383
            case QEMU_OPTION_startdate:
3384
                configure_rtc_date_offset(optarg, 1);
3385
                break;
3386
            case QEMU_OPTION_rtc:
3387
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3388
                if (!opts) {
3389
                    exit(1);
3390
                }
3391
                configure_rtc(opts);
3392
                break;
3393
            case QEMU_OPTION_tb_size:
3394
                tcg_tb_size = strtol(optarg, NULL, 0);
3395
                if (tcg_tb_size < 0) {
3396
                    tcg_tb_size = 0;
3397
                }
3398
                break;
3399
            case QEMU_OPTION_icount:
3400
                icount_option = optarg;
3401
                break;
3402
            case QEMU_OPTION_incoming:
3403
                incoming = optarg;
3404
                runstate_set(RUN_STATE_INMIGRATE);
3405
                break;
3406
            case QEMU_OPTION_nodefaults:
3407
                default_serial = 0;
3408
                default_parallel = 0;
3409
                default_virtcon = 0;
3410
                default_monitor = 0;
3411
                default_net = 0;
3412
                default_floppy = 0;
3413
                default_cdrom = 0;
3414
                default_sdcard = 0;
3415
                default_vga = 0;
3416
                break;
3417
            case QEMU_OPTION_xen_domid:
3418
                if (!(xen_available())) {
3419
                    printf("Option %s not supported for this target\n", popt->name);
3420
                    exit(1);
3421
                }
3422
                xen_domid = atoi(optarg);
3423
                break;
3424
            case QEMU_OPTION_xen_create:
3425
                if (!(xen_available())) {
3426
                    printf("Option %s not supported for this target\n", popt->name);
3427
                    exit(1);
3428
                }
3429
                xen_mode = XEN_CREATE;
3430
                break;
3431
            case QEMU_OPTION_xen_attach:
3432
                if (!(xen_available())) {
3433
                    printf("Option %s not supported for this target\n", popt->name);
3434
                    exit(1);
3435
                }
3436
                xen_mode = XEN_ATTACH;
3437
                break;
3438
            case QEMU_OPTION_trace:
3439
            {
3440
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3441
                if (!opts) {
3442
                    exit(1);
3443
                }
3444
                trace_events = qemu_opt_get(opts, "events");
3445
                trace_file = qemu_opt_get(opts, "file");
3446
                break;
3447
            }
3448
            case QEMU_OPTION_readconfig:
3449
                {
3450
                    int ret = qemu_read_config_file(optarg);
3451
                    if (ret < 0) {
3452
                        fprintf(stderr, "read config %s: %s\n", optarg,
3453
                            strerror(-ret));
3454
                        exit(1);
3455
                    }
3456
                    break;
3457
                }
3458
            case QEMU_OPTION_spice:
3459
                olist = qemu_find_opts("spice");
3460
                if (!olist) {
3461
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3462
                    exit(1);
3463
                }
3464
                opts = qemu_opts_parse(olist, optarg, 0);
3465
                if (!opts) {
3466
                    fprintf(stderr, "parse error: %s\n", optarg);
3467
                    exit(1);
3468
                }
3469
                break;
3470
            case QEMU_OPTION_writeconfig:
3471
                {
3472
                    FILE *fp;
3473
                    if (strcmp(optarg, "-") == 0) {
3474
                        fp = stdout;
3475
                    } else {
3476
                        fp = fopen(optarg, "w");
3477
                        if (fp == NULL) {
3478
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3479
                            exit(1);
3480
                        }
3481
                    }
3482
                    qemu_config_write(fp);
3483
                    fclose(fp);
3484
                    break;
3485
                }
3486
            case QEMU_OPTION_qtest:
3487
                qtest_chrdev = optarg;
3488
                break;
3489
            case QEMU_OPTION_qtest_log:
3490
                qtest_log = optarg;
3491
                break;
3492
            case QEMU_OPTION_sandbox:
3493
                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3494
                if (!opts) {
3495
                    exit(0);
3496
                }
3497
                break;
3498
            case QEMU_OPTION_add_fd:
3499
#ifndef _WIN32
3500
                opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3501
                if (!opts) {
3502
                    exit(0);
3503
                }
3504
#else
3505
                error_report("File descriptor passing is disabled on this "
3506
                             "platform");
3507
                exit(1);
3508
#endif
3509
                break;
3510
            case QEMU_OPTION_object:
3511
                opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3512
                break;
3513
            default:
3514
                os_parse_cmd_args(popt->index, optarg);
3515
            }
3516
        }
3517
    }
3518
    loc_set_none();
3519

    
3520
    if (qemu_init_main_loop()) {
3521
        fprintf(stderr, "qemu_init_main_loop failed\n");
3522
        exit(1);
3523
    }
3524

    
3525
    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3526
        exit(1);
3527
    }
3528

    
3529
#ifndef _WIN32
3530
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3531
        exit(1);
3532
    }
3533

    
3534
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3535
        exit(1);
3536
    }
3537
#endif
3538

    
3539
    if (machine == NULL) {
3540
        fprintf(stderr, "No machine found.\n");
3541
        exit(1);
3542
    }
3543

    
3544
    if (machine->hw_version) {
3545
        qemu_set_version(machine->hw_version);
3546
    }
3547

    
3548
    if (qemu_opts_foreach(qemu_find_opts("object"),
3549
                          object_create, NULL, 0) != 0) {
3550
        exit(1);
3551
    }
3552

    
3553
    /* Init CPU def lists, based on config
3554
     * - Must be called after all the qemu_read_config_file() calls
3555
     * - Must be called before list_cpus()
3556
     * - Must be called before machine->init()
3557
     */
3558
    cpudef_init();
3559

    
3560
    if (cpu_model && is_help_option(cpu_model)) {
3561
        list_cpus(stdout, &fprintf, cpu_model);
3562
        exit(0);
3563
    }
3564

    
3565
    /* Open the logfile at this point, if necessary. We can't open the logfile
3566
     * when encountering either of the logging options (-d or -D) because the
3567
     * other one may be encountered later on the command line, changing the
3568
     * location or level of logging.
3569
     */
3570
    if (log_mask) {
3571
        if (log_file) {
3572
            set_cpu_log_filename(log_file);
3573
        }
3574
        set_cpu_log(log_mask);
3575
    }
3576

    
3577
    if (!trace_backend_init(trace_events, trace_file)) {
3578
        exit(1);
3579
    }
3580

    
3581
    /* If no data_dir is specified then try to find it relative to the
3582
       executable path.  */
3583
    if (!data_dir) {
3584
        data_dir = os_find_datadir(argv[0]);
3585
    }
3586
    /* If all else fails use the install path specified when building. */
3587
    if (!data_dir) {
3588
        data_dir = CONFIG_QEMU_DATADIR;
3589
    }
3590

    
3591
    /*
3592
     * Default to max_cpus = smp_cpus, in case the user doesn't
3593
     * specify a max_cpus value.
3594
     */
3595
    if (!max_cpus)
3596
        max_cpus = smp_cpus;
3597

    
3598
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3599
    if (smp_cpus > machine->max_cpus) {
3600
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3601
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3602
                machine->max_cpus);
3603
        exit(1);
3604
    }
3605

    
3606
    /*
3607
     * Get the default machine options from the machine if it is not already
3608
     * specified either by the configuration file or by the command line.
3609
     */
3610
    if (machine->default_machine_opts) {
3611
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3612
                               machine->default_machine_opts, 0);
3613
    }
3614

    
3615
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3616
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3617

    
3618
    if (machine->no_serial) {
3619
        default_serial = 0;
3620
    }
3621
    if (machine->no_parallel) {
3622
        default_parallel = 0;
3623
    }
3624
    if (!machine->use_virtcon) {
3625
        default_virtcon = 0;
3626
    }
3627
    if (machine->no_floppy) {
3628
        default_floppy = 0;
3629
    }
3630
    if (machine->no_cdrom) {
3631
        default_cdrom = 0;
3632
    }
3633
    if (machine->no_sdcard) {
3634
        default_sdcard = 0;
3635
    }
3636

    
3637
    if (is_daemonized()) {
3638
        /* According to documentation and historically, -nographic redirects
3639
         * serial port, parallel port and monitor to stdio, which does not work
3640
         * with -daemonize.  We can redirect these to null instead, but since
3641
         * -nographic is legacy, let's just error out.
3642
         * We disallow -nographic only if all other ports are not redirected
3643
         * explicitly, to not break existing legacy setups which uses
3644
         * -nographic _and_ redirects all ports explicitly - this is valid
3645
         * usage, -nographic is just a no-op in this case.
3646
         */
3647
        if (display_type == DT_NOGRAPHIC
3648
            && (default_parallel || default_serial
3649
                || default_monitor || default_virtcon)) {
3650
            fprintf(stderr, "-nographic can not be used with -daemonize\n");
3651
            exit(1);
3652
        }
3653
#ifdef CONFIG_CURSES
3654
        if (display_type == DT_CURSES) {
3655
            fprintf(stderr, "curses display can not be used with -daemonize\n");
3656
            exit(1);
3657
        }
3658
#endif
3659
    }
3660

    
3661
    if (display_type == DT_NOGRAPHIC) {
3662
        if (default_parallel)
3663
            add_device_config(DEV_PARALLEL, "null");
3664
        if (default_serial && default_monitor) {
3665
            add_device_config(DEV_SERIAL, "mon:stdio");
3666
        } else if (default_virtcon && default_monitor) {
3667
            add_device_config(DEV_VIRTCON, "mon:stdio");
3668
        } else {
3669
            if (default_serial)
3670
                add_device_config(DEV_SERIAL, "stdio");
3671
            if (default_virtcon)
3672
                add_device_config(DEV_VIRTCON, "stdio");
3673
            if (default_monitor)
3674
                monitor_parse("stdio", "readline");
3675
        }
3676
    } else {
3677
        if (default_serial)
3678
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3679
        if (default_parallel)
3680
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3681
        if (default_monitor)
3682
            monitor_parse("vc:80Cx24C", "readline");
3683
        if (default_virtcon)
3684
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3685
    }
3686

    
3687
    socket_init();
3688

    
3689
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3690
        exit(1);
3691
#ifdef CONFIG_VIRTFS
3692
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3693
        exit(1);
3694
    }
3695
#endif
3696

    
3697
    os_daemonize();
3698

    
3699
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3700
        os_pidfile_error();
3701
        exit(1);
3702
    }
3703

    
3704
    /* init the memory */
3705
    if (ram_size == 0) {
3706
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3707
    }
3708

    
3709
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3710
        != 0) {
3711
        exit(0);
3712
    }
3713

    
3714
    configure_accelerator();
3715

    
3716
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3717
    if (machine_opts) {
3718
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3719
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3720
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3721
    } else {
3722
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3723
    }
3724

    
3725
    if (!kernel_cmdline) {
3726
        kernel_cmdline = "";
3727
    }
3728

    
3729
    linux_boot = (kernel_filename != NULL);
3730

    
3731
    if (!linux_boot && *kernel_cmdline != '\0') {
3732
        fprintf(stderr, "-append only allowed with -kernel option\n");
3733
        exit(1);
3734
    }
3735

    
3736
    if (!linux_boot && initrd_filename != NULL) {
3737
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3738
        exit(1);
3739
    }
3740

    
3741
    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3742
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
3743
        exit(1);
3744
    }
3745

    
3746
    os_set_line_buffering();
3747

    
3748
    qemu_init_cpu_loop();
3749
    qemu_mutex_lock_iothread();
3750

    
3751
#ifdef CONFIG_SPICE
3752
    /* spice needs the timers to be initialized by this point */
3753
    qemu_spice_init();
3754
#endif
3755

    
3756
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3757
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3758
        exit(1);
3759
    }
3760
    configure_icount(icount_option);
3761

    
3762
    if (net_init_clients() < 0) {
3763
        exit(1);
3764
    }
3765

    
3766
    /* init the bluetooth world */
3767
    if (foreach_device_config(DEV_BT, bt_parse))
3768
        exit(1);
3769

    
3770
    if (!xen_enabled()) {
3771
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3772
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3773
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3774
            exit(1);
3775
        }
3776
    }
3777

    
3778
    cpu_exec_init_all();
3779

    
3780
    bdrv_init_with_whitelist();
3781

    
3782
    blk_mig_init();
3783

    
3784
    /* open the virtual block devices */
3785
    if (snapshot)
3786
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3787
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
3788
                          &machine->block_default_type, 1) != 0) {
3789
        exit(1);
3790
    }
3791

    
3792
    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
3793
                  CDROM_OPTS);
3794
    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
3795
    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
3796

    
3797
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3798

    
3799
    if (nb_numa_nodes > 0) {
3800
        int i;
3801

    
3802
        if (nb_numa_nodes > MAX_NODES) {
3803
            nb_numa_nodes = MAX_NODES;
3804
        }
3805

    
3806
        /* If no memory size if given for any node, assume the default case
3807
         * and distribute the available memory equally across all nodes
3808
         */
3809
        for (i = 0; i < nb_numa_nodes; i++) {
3810
            if (node_mem[i] != 0)
3811
                break;
3812
        }
3813
        if (i == nb_numa_nodes) {
3814
            uint64_t usedmem = 0;
3815

    
3816
            /* On Linux, the each node's border has to be 8MB aligned,
3817
             * the final node gets the rest.
3818
             */
3819
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3820
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3821
                usedmem += node_mem[i];
3822
            }
3823
            node_mem[i] = ram_size - usedmem;
3824
        }
3825

    
3826
        for (i = 0; i < nb_numa_nodes; i++) {
3827
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3828
                break;
3829
            }
3830
        }
3831
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3832
         * must cope with this anyway, because there are BIOSes out there in
3833
         * real machines which also use this scheme.
3834
         */
3835
        if (i == nb_numa_nodes) {
3836
            for (i = 0; i < max_cpus; i++) {
3837
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
3838
            }
3839
        }
3840
    }
3841

    
3842
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3843
        exit(1);
3844
    }
3845

    
3846
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3847
        exit(1);
3848
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3849
        exit(1);
3850
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3851
        exit(1);
3852
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3853
        exit(1);
3854

    
3855
    /* If no default VGA is requested, the default is "none".  */
3856
    if (default_vga) {
3857
        if (cirrus_vga_available()) {
3858
            vga_model = "cirrus";
3859
        } else if (vga_available()) {
3860
            vga_model = "std";
3861
        }
3862
    }
3863
    select_vgahw(vga_model);
3864

    
3865
    if (watchdog) {
3866
        i = select_watchdog(watchdog);
3867
        if (i > 0)
3868
            exit (i == 1 ? 1 : 0);
3869
    }
3870

    
3871
    if (machine->compat_props) {
3872
        qdev_prop_register_global_list(machine->compat_props);
3873
    }
3874
    qemu_add_globals();
3875

    
3876
    qdev_machine_init();
3877

    
3878
    QEMUMachineInitArgs args = { .ram_size = ram_size,
3879
                                 .boot_device = boot_devices,
3880
                                 .kernel_filename = kernel_filename,
3881
                                 .kernel_cmdline = kernel_cmdline,
3882
                                 .initrd_filename = initrd_filename,
3883
                                 .cpu_model = cpu_model };
3884
    machine->init(&args);
3885

    
3886
    cpu_synchronize_all_post_init();
3887

    
3888
    set_numa_modes();
3889

    
3890
    current_machine = machine;
3891

    
3892
    /* init USB devices */
3893
    if (usb_enabled(false)) {
3894
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3895
            exit(1);
3896
    }
3897

    
3898
    /* init generic devices */
3899
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3900
        exit(1);
3901

    
3902
    net_check_clients();
3903

    
3904
    /* just use the first displaystate for the moment */
3905
    ds = get_displaystate();
3906

    
3907
    if (using_spice)
3908
        display_remote++;
3909
    if (display_type == DT_DEFAULT && !display_remote) {
3910
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3911
        display_type = DT_SDL;
3912
#elif defined(CONFIG_VNC)
3913
        vnc_display = "localhost:0,to=99";
3914
        show_vnc_port = 1;
3915
#else
3916
        display_type = DT_NONE;
3917
#endif
3918
    }
3919

    
3920

    
3921
    /* init local displays */
3922
    switch (display_type) {
3923
    case DT_NOGRAPHIC:
3924
        break;
3925
#if defined(CONFIG_CURSES)
3926
    case DT_CURSES:
3927
        curses_display_init(ds, full_screen);
3928
        break;
3929
#endif
3930
#if defined(CONFIG_SDL)
3931
    case DT_SDL:
3932
        sdl_display_init(ds, full_screen, no_frame);
3933
        break;
3934
#elif defined(CONFIG_COCOA)
3935
    case DT_SDL:
3936
        cocoa_display_init(ds, full_screen);
3937
        break;
3938
#endif
3939
    default:
3940
        break;
3941
    }
3942

    
3943
    /* must be after terminal init, SDL library changes signal handlers */
3944
    os_setup_signal_handling();
3945

    
3946
#ifdef CONFIG_VNC
3947
    /* init remote displays */
3948
    if (vnc_display) {
3949
        Error *local_err = NULL;
3950
        vnc_display_init(ds);
3951
        vnc_display_open(ds, vnc_display, &local_err);
3952
        if (local_err != NULL) {
3953
            fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3954
                    vnc_display, error_get_pretty(local_err));
3955
            error_free(local_err);
3956
            exit(1);
3957
        }
3958

    
3959
        if (show_vnc_port) {
3960
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3961
        }
3962
    }
3963
#endif
3964
#ifdef CONFIG_SPICE
3965
    if (using_spice && !qxl_enabled) {
3966
        qemu_spice_display_init(ds);
3967
    }
3968
#endif
3969

    
3970
    /* display setup */
3971
    text_consoles_set_display(ds);
3972

    
3973
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3974
        exit(1);
3975
    }
3976

    
3977
    qdev_machine_creation_done();
3978

    
3979
    if (rom_load_all() != 0) {
3980
        fprintf(stderr, "rom loading failed\n");
3981
        exit(1);
3982
    }
3983

    
3984
    /* TODO: once all bus devices are qdevified, this should be done
3985
     * when bus is created by qdev.c */
3986
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3987
    qemu_run_machine_init_done_notifiers();
3988

    
3989
    qemu_system_reset(VMRESET_SILENT);
3990
    if (loadvm) {
3991
        if (load_vmstate(loadvm) < 0) {
3992
            autostart = 0;
3993
        }
3994
    }
3995

    
3996
    if (incoming) {
3997
        Error *local_err = NULL;
3998
        qemu_start_incoming_migration(incoming, &local_err);
3999
        if (local_err) {
4000
            fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4001
            error_free(local_err);
4002
            exit(1);
4003
        }
4004
    } else if (autostart) {
4005
        vm_start();
4006
    }
4007

    
4008
    os_setup_post();
4009

    
4010
    resume_all_vcpus();
4011
    main_loop();
4012
    bdrv_close_all();
4013
    pause_all_vcpus();
4014
    net_cleanup();
4015
    res_free();
4016

    
4017
    return 0;
4018
}