Statistics
| Branch: | Revision:

root / vl.c @ c1b71b0c

History | View | Annotate | Download (121.8 kB)

1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31
#include "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/i386/pc.h"
121
#include "hw/isa/isa.h"
122
#include "hw/bt.h"
123
#include "sysemu/watchdog.h"
124
#include "hw/i386/smbios.h"
125
#include "hw/xen/xen.h"
126
#include "hw/qdev.h"
127
#include "hw/loader.h"
128
#include "monitor/qdev.h"
129
#include "sysemu/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 "sysemu/char.h"
138
#include "qemu/cache-utils.h"
139
#include "sysemu/blockdev.h"
140
#include "hw/block/block.h"
141
#include "migration/block.h"
142
#include "sysemu/tpm.h"
143
#include "sysemu/dma.h"
144
#include "audio/audio.h"
145
#include "migration/migration.h"
146
#include "sysemu/kvm.h"
147
#include "qapi/qmp/qjson.h"
148
#include "qemu/option.h"
149
#include "qemu/config-file.h"
150
#include "qemu-options.h"
151
#include "qmp-commands.h"
152
#include "qemu/main-loop.h"
153
#ifdef CONFIG_VIRTFS
154
#include "fsdev/qemu-fsdev.h"
155
#endif
156
#include "sysemu/qtest.h"
157

    
158
#include "disas/disas.h"
159

    
160
#include "qemu/sockets.h"
161

    
162
#include "slirp/libslirp.h"
163

    
164
#include "trace.h"
165
#include "trace/control.h"
166
#include "qemu/queue.h"
167
#include "sysemu/cpus.h"
168
#include "sysemu/arch_init.h"
169
#include "qemu/osdep.h"
170

    
171
#include "ui/qemu-spice.h"
172
#include "qapi/string-input-visitor.h"
173

    
174
//#define DEBUG_NET
175
//#define DEBUG_SLIRP
176

    
177
#define DEFAULT_RAM_SIZE 128
178

    
179
#define MAX_VIRTIO_CONSOLES 1
180
#define MAX_SCLP_CONSOLES 1
181

    
182
static const char *data_dir[16];
183
static int data_dir_idx;
184
const char *bios_name = NULL;
185
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186
DisplayType display_type = DT_DEFAULT;
187
static int display_remote;
188
const char* keyboard_layout = NULL;
189
ram_addr_t ram_size;
190
const char *mem_path = NULL;
191
#ifdef MAP_POPULATE
192
int mem_prealloc = 0; /* force preallocation of physical target memory */
193
#endif
194
int nb_nics;
195
NICInfo nd_table[MAX_NICS];
196
int autostart;
197
static int rtc_utc = 1;
198
static int rtc_date_offset = -1; /* -1 means no change */
199
QEMUClock *rtc_clock;
200
int vga_interface_type = VGA_NONE;
201
static int full_screen = 0;
202
static int no_frame = 0;
203
int no_quit = 0;
204
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207
CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208
int win2k_install_hack = 0;
209
int singlestep = 0;
210
int smp_cpus = 1;
211
int max_cpus = 0;
212
int smp_cores = 1;
213
int smp_threads = 1;
214
#ifdef CONFIG_VNC
215
const char *vnc_display;
216
#endif
217
int acpi_enabled = 1;
218
int no_hpet = 0;
219
int fd_bootchk = 1;
220
static int no_reboot;
221
int no_shutdown = 0;
222
int cursor_hide = 1;
223
int graphic_rotate = 0;
224
const char *watchdog;
225
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226
int nb_option_roms;
227
int semihosting_enabled = 0;
228
int old_param = 0;
229
const char *qemu_name;
230
int alt_grab = 0;
231
int ctrl_grab = 0;
232
unsigned int nb_prom_envs = 0;
233
const char *prom_envs[MAX_PROM_ENVS];
234
int boot_menu;
235
bool boot_strict;
236
uint8_t *boot_splash_filedata;
237
size_t boot_splash_filedata_size;
238
uint8_t qemu_extra_params_fw[2];
239

    
240
typedef struct FWBootEntry FWBootEntry;
241

    
242
struct FWBootEntry {
243
    QTAILQ_ENTRY(FWBootEntry) link;
244
    int32_t bootindex;
245
    DeviceState *dev;
246
    char *suffix;
247
};
248

    
249
static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
250
    QTAILQ_HEAD_INITIALIZER(fw_boot_order);
251

    
252
int nb_numa_nodes;
253
uint64_t node_mem[MAX_NODES];
254
unsigned long *node_cpumask[MAX_NODES];
255

    
256
uint8_t qemu_uuid[16];
257

    
258
static QEMUBootSetHandler *boot_set_handler;
259
static void *boot_set_opaque;
260

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

    
264
static NotifierList machine_init_done_notifiers =
265
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
266

    
267
static bool tcg_allowed = true;
268
bool xen_allowed;
269
uint32_t xen_domid;
270
enum xen_mode xen_mode = XEN_EMULATE;
271
static int tcg_tb_size;
272

    
273
static int default_serial = 1;
274
static int default_parallel = 1;
275
static int default_virtcon = 1;
276
static int default_sclp = 1;
277
static int default_monitor = 1;
278
static int default_floppy = 1;
279
static int default_cdrom = 1;
280
static int default_sdcard = 1;
281
static int default_vga = 1;
282

    
283
static struct {
284
    const char *driver;
285
    int *flag;
286
} default_list[] = {
287
    { .driver = "isa-serial",           .flag = &default_serial    },
288
    { .driver = "isa-parallel",         .flag = &default_parallel  },
289
    { .driver = "isa-fdc",              .flag = &default_floppy    },
290
    { .driver = "ide-cd",               .flag = &default_cdrom     },
291
    { .driver = "ide-hd",               .flag = &default_cdrom     },
292
    { .driver = "ide-drive",            .flag = &default_cdrom     },
293
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
294
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
295
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
296
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
297
    { .driver = "VGA",                  .flag = &default_vga       },
298
    { .driver = "isa-vga",              .flag = &default_vga       },
299
    { .driver = "cirrus-vga",           .flag = &default_vga       },
300
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
301
    { .driver = "vmware-svga",          .flag = &default_vga       },
302
    { .driver = "qxl-vga",              .flag = &default_vga       },
303
};
304

    
305
static QemuOptsList qemu_rtc_opts = {
306
    .name = "rtc",
307
    .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308
    .desc = {
309
        {
310
            .name = "base",
311
            .type = QEMU_OPT_STRING,
312
        },{
313
            .name = "clock",
314
            .type = QEMU_OPT_STRING,
315
        },{
316
            .name = "driftfix",
317
            .type = QEMU_OPT_STRING,
318
        },
319
        { /* end of list */ }
320
    },
321
};
322

    
323
static QemuOptsList qemu_sandbox_opts = {
324
    .name = "sandbox",
325
    .implied_opt_name = "enable",
326
    .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327
    .desc = {
328
        {
329
            .name = "enable",
330
            .type = QEMU_OPT_BOOL,
331
        },
332
        { /* end of list */ }
333
    },
334
};
335

    
336
static QemuOptsList qemu_trace_opts = {
337
    .name = "trace",
338
    .implied_opt_name = "trace",
339
    .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340
    .desc = {
341
        {
342
            .name = "events",
343
            .type = QEMU_OPT_STRING,
344
        },{
345
            .name = "file",
346
            .type = QEMU_OPT_STRING,
347
        },
348
        { /* end of list */ }
349
    },
350
};
351

    
352
static QemuOptsList qemu_option_rom_opts = {
353
    .name = "option-rom",
354
    .implied_opt_name = "romfile",
355
    .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356
    .desc = {
357
        {
358
            .name = "bootindex",
359
            .type = QEMU_OPT_NUMBER,
360
        }, {
361
            .name = "romfile",
362
            .type = QEMU_OPT_STRING,
363
        },
364
        { /* end of list */ }
365
    },
366
};
367

    
368
static QemuOptsList qemu_machine_opts = {
369
    .name = "machine",
370
    .implied_opt_name = "type",
371
    .merge_lists = true,
372
    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373
    .desc = {
374
        {
375
            .name = "type",
376
            .type = QEMU_OPT_STRING,
377
            .help = "emulated machine"
378
        }, {
379
            .name = "accel",
380
            .type = QEMU_OPT_STRING,
381
            .help = "accelerator list",
382
        }, {
383
            .name = "kernel_irqchip",
384
            .type = QEMU_OPT_BOOL,
385
            .help = "use KVM in-kernel irqchip",
386
        }, {
387
            .name = "kvm_shadow_mem",
388
            .type = QEMU_OPT_SIZE,
389
            .help = "KVM shadow MMU size",
390
        }, {
391
            .name = "kernel",
392
            .type = QEMU_OPT_STRING,
393
            .help = "Linux kernel image file",
394
        }, {
395
            .name = "initrd",
396
            .type = QEMU_OPT_STRING,
397
            .help = "Linux initial ramdisk file",
398
        }, {
399
            .name = "append",
400
            .type = QEMU_OPT_STRING,
401
            .help = "Linux kernel command line",
402
        }, {
403
            .name = "dtb",
404
            .type = QEMU_OPT_STRING,
405
            .help = "Linux kernel device tree file",
406
        }, {
407
            .name = "dumpdtb",
408
            .type = QEMU_OPT_STRING,
409
            .help = "Dump current dtb to a file and quit",
410
        }, {
411
            .name = "phandle_start",
412
            .type = QEMU_OPT_NUMBER,
413
            .help = "The first phandle ID we may generate dynamically",
414
        }, {
415
            .name = "dt_compatible",
416
            .type = QEMU_OPT_STRING,
417
            .help = "Overrides the \"compatible\" property of the dt root node",
418
        }, {
419
            .name = "dump-guest-core",
420
            .type = QEMU_OPT_BOOL,
421
            .help = "Include guest memory in  a core dump",
422
        }, {
423
            .name = "mem-merge",
424
            .type = QEMU_OPT_BOOL,
425
            .help = "enable/disable memory merge support",
426
        },{
427
            .name = "usb",
428
            .type = QEMU_OPT_BOOL,
429
            .help = "Set on/off to enable/disable usb",
430
        },
431
        { /* End of list */ }
432
    },
433
};
434

    
435
static QemuOptsList qemu_boot_opts = {
436
    .name = "boot-opts",
437
    .implied_opt_name = "order",
438
    .merge_lists = true,
439
    .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
440
    .desc = {
441
        {
442
            .name = "order",
443
            .type = QEMU_OPT_STRING,
444
        }, {
445
            .name = "once",
446
            .type = QEMU_OPT_STRING,
447
        }, {
448
            .name = "menu",
449
            .type = QEMU_OPT_BOOL,
450
        }, {
451
            .name = "splash",
452
            .type = QEMU_OPT_STRING,
453
        }, {
454
            .name = "splash-time",
455
            .type = QEMU_OPT_STRING,
456
        }, {
457
            .name = "reboot-timeout",
458
            .type = QEMU_OPT_STRING,
459
        }, {
460
            .name = "strict",
461
            .type = QEMU_OPT_STRING,
462
        },
463
        { /*End of list */ }
464
    },
465
};
466

    
467
static QemuOptsList qemu_add_fd_opts = {
468
    .name = "add-fd",
469
    .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
470
    .desc = {
471
        {
472
            .name = "fd",
473
            .type = QEMU_OPT_NUMBER,
474
            .help = "file descriptor of which a duplicate is added to fd set",
475
        },{
476
            .name = "set",
477
            .type = QEMU_OPT_NUMBER,
478
            .help = "ID of the fd set to add fd to",
479
        },{
480
            .name = "opaque",
481
            .type = QEMU_OPT_STRING,
482
            .help = "free-form string used to describe fd",
483
        },
484
        { /* end of list */ }
485
    },
486
};
487

    
488
static QemuOptsList qemu_object_opts = {
489
    .name = "object",
490
    .implied_opt_name = "qom-type",
491
    .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
492
    .desc = {
493
        { }
494
    },
495
};
496

    
497
static QemuOptsList qemu_tpmdev_opts = {
498
    .name = "tpmdev",
499
    .implied_opt_name = "type",
500
    .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
501
    .desc = {
502
        /* options are defined in the TPM backends */
503
        { /* end of list */ }
504
    },
505
};
506

    
507
static QemuOptsList qemu_realtime_opts = {
508
    .name = "realtime",
509
    .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
510
    .desc = {
511
        {
512
            .name = "mlock",
513
            .type = QEMU_OPT_BOOL,
514
        },
515
        { /* end of list */ }
516
    },
517
};
518

    
519
/**
520
 * Get machine options
521
 *
522
 * Returns: machine options (never null).
523
 */
524
QemuOpts *qemu_get_machine_opts(void)
525
{
526
    QemuOptsList *list;
527
    QemuOpts *opts;
528

    
529
    list = qemu_find_opts("machine");
530
    assert(list);
531
    opts = qemu_opts_find(list, NULL);
532
    if (!opts) {
533
        opts = qemu_opts_create_nofail(list);
534
    }
535
    return opts;
536
}
537

    
538
const char *qemu_get_vm_name(void)
539
{
540
    return qemu_name;
541
}
542

    
543
static void res_free(void)
544
{
545
    if (boot_splash_filedata != NULL) {
546
        g_free(boot_splash_filedata);
547
        boot_splash_filedata = NULL;
548
    }
549
}
550

    
551
static int default_driver_check(QemuOpts *opts, void *opaque)
552
{
553
    const char *driver = qemu_opt_get(opts, "driver");
554
    int i;
555

    
556
    if (!driver)
557
        return 0;
558
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
559
        if (strcmp(default_list[i].driver, driver) != 0)
560
            continue;
561
        *(default_list[i].flag) = 0;
562
    }
563
    return 0;
564
}
565

    
566
/***********************************************************/
567
/* QEMU state */
568

    
569
static RunState current_run_state = RUN_STATE_PRELAUNCH;
570

    
571
typedef struct {
572
    RunState from;
573
    RunState to;
574
} RunStateTransition;
575

    
576
static const RunStateTransition runstate_transitions_def[] = {
577
    /*     from      ->     to      */
578
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
579

    
580
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581
    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582

    
583
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
584
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
585

    
586
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
587
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
588

    
589
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
590
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
591

    
592
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
593
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
594

    
595
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
596
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
597
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
598

    
599
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
600
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
601

    
602
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
603

    
604
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613
    { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
614

    
615
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
616

    
617
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
619

    
620
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
621
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
622
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
623
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
624

    
625
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
626
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
627

    
628
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
629
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
630
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
631

    
632
    { RUN_STATE_MAX, RUN_STATE_MAX },
633
};
634

    
635
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636

    
637
bool runstate_check(RunState state)
638
{
639
    return current_run_state == state;
640
}
641

    
642
static void runstate_init(void)
643
{
644
    const RunStateTransition *p;
645

    
646
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
647

    
648
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
649
        runstate_valid_transitions[p->from][p->to] = true;
650
    }
651
}
652

    
653
/* This function will abort() on invalid state transitions */
654
void runstate_set(RunState new_state)
655
{
656
    assert(new_state < RUN_STATE_MAX);
657

    
658
    if (!runstate_valid_transitions[current_run_state][new_state]) {
659
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
660
                RunState_lookup[current_run_state],
661
                RunState_lookup[new_state]);
662
        abort();
663
    }
664
    trace_runstate_set(new_state);
665
    current_run_state = new_state;
666
}
667

    
668
int runstate_is_running(void)
669
{
670
    return runstate_check(RUN_STATE_RUNNING);
671
}
672

    
673
bool runstate_needs_reset(void)
674
{
675
    return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
676
        runstate_check(RUN_STATE_SHUTDOWN) ||
677
        runstate_check(RUN_STATE_GUEST_PANICKED);
678
}
679

    
680
StatusInfo *qmp_query_status(Error **errp)
681
{
682
    StatusInfo *info = g_malloc0(sizeof(*info));
683

    
684
    info->running = runstate_is_running();
685
    info->singlestep = singlestep;
686
    info->status = current_run_state;
687

    
688
    return info;
689
}
690

    
691
/***********************************************************/
692
/* real time host monotonic timer */
693

    
694
/***********************************************************/
695
/* host time/date access */
696
void qemu_get_timedate(struct tm *tm, int offset)
697
{
698
    time_t ti;
699

    
700
    time(&ti);
701
    ti += offset;
702
    if (rtc_date_offset == -1) {
703
        if (rtc_utc)
704
            gmtime_r(&ti, tm);
705
        else
706
            localtime_r(&ti, tm);
707
    } else {
708
        ti -= rtc_date_offset;
709
        gmtime_r(&ti, tm);
710
    }
711
}
712

    
713
int qemu_timedate_diff(struct tm *tm)
714
{
715
    time_t seconds;
716

    
717
    if (rtc_date_offset == -1)
718
        if (rtc_utc)
719
            seconds = mktimegm(tm);
720
        else {
721
            struct tm tmp = *tm;
722
            tmp.tm_isdst = -1; /* use timezone to figure it out */
723
            seconds = mktime(&tmp);
724
        }
725
    else
726
        seconds = mktimegm(tm) + rtc_date_offset;
727

    
728
    return seconds - time(NULL);
729
}
730

    
731
void rtc_change_mon_event(struct tm *tm)
732
{
733
    QObject *data;
734

    
735
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
736
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
737
    qobject_decref(data);
738
}
739

    
740
static void configure_rtc_date_offset(const char *startdate, int legacy)
741
{
742
    time_t rtc_start_date;
743
    struct tm tm;
744

    
745
    if (!strcmp(startdate, "now") && legacy) {
746
        rtc_date_offset = -1;
747
    } else {
748
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
749
                   &tm.tm_year,
750
                   &tm.tm_mon,
751
                   &tm.tm_mday,
752
                   &tm.tm_hour,
753
                   &tm.tm_min,
754
                   &tm.tm_sec) == 6) {
755
            /* OK */
756
        } else if (sscanf(startdate, "%d-%d-%d",
757
                          &tm.tm_year,
758
                          &tm.tm_mon,
759
                          &tm.tm_mday) == 3) {
760
            tm.tm_hour = 0;
761
            tm.tm_min = 0;
762
            tm.tm_sec = 0;
763
        } else {
764
            goto date_fail;
765
        }
766
        tm.tm_year -= 1900;
767
        tm.tm_mon--;
768
        rtc_start_date = mktimegm(&tm);
769
        if (rtc_start_date == -1) {
770
        date_fail:
771
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
772
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
773
            exit(1);
774
        }
775
        rtc_date_offset = time(NULL) - rtc_start_date;
776
    }
777
}
778

    
779
static void configure_rtc(QemuOpts *opts)
780
{
781
    const char *value;
782

    
783
    value = qemu_opt_get(opts, "base");
784
    if (value) {
785
        if (!strcmp(value, "utc")) {
786
            rtc_utc = 1;
787
        } else if (!strcmp(value, "localtime")) {
788
            rtc_utc = 0;
789
        } else {
790
            configure_rtc_date_offset(value, 0);
791
        }
792
    }
793
    value = qemu_opt_get(opts, "clock");
794
    if (value) {
795
        if (!strcmp(value, "host")) {
796
            rtc_clock = host_clock;
797
        } else if (!strcmp(value, "rt")) {
798
            rtc_clock = rt_clock;
799
        } else if (!strcmp(value, "vm")) {
800
            rtc_clock = vm_clock;
801
        } else {
802
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
803
            exit(1);
804
        }
805
    }
806
    value = qemu_opt_get(opts, "driftfix");
807
    if (value) {
808
        if (!strcmp(value, "slew")) {
809
            static GlobalProperty slew_lost_ticks[] = {
810
                {
811
                    .driver   = "mc146818rtc",
812
                    .property = "lost_tick_policy",
813
                    .value    = "slew",
814
                },
815
                { /* end of list */ }
816
            };
817

    
818
            qdev_prop_register_global_list(slew_lost_ticks);
819
        } else if (!strcmp(value, "none")) {
820
            /* discard is default */
821
        } else {
822
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
823
            exit(1);
824
        }
825
    }
826
}
827

    
828
/***********************************************************/
829
/* Bluetooth support */
830
static int nb_hcis;
831
static int cur_hci;
832
static struct HCIInfo *hci_table[MAX_NICS];
833

    
834
static struct bt_vlan_s {
835
    struct bt_scatternet_s net;
836
    int id;
837
    struct bt_vlan_s *next;
838
} *first_bt_vlan;
839

    
840
/* find or alloc a new bluetooth "VLAN" */
841
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
842
{
843
    struct bt_vlan_s **pvlan, *vlan;
844
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
845
        if (vlan->id == id)
846
            return &vlan->net;
847
    }
848
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
849
    vlan->id = id;
850
    pvlan = &first_bt_vlan;
851
    while (*pvlan != NULL)
852
        pvlan = &(*pvlan)->next;
853
    *pvlan = vlan;
854
    return &vlan->net;
855
}
856

    
857
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
858
{
859
}
860

    
861
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
862
{
863
    return -ENOTSUP;
864
}
865

    
866
static struct HCIInfo null_hci = {
867
    .cmd_send = null_hci_send,
868
    .sco_send = null_hci_send,
869
    .acl_send = null_hci_send,
870
    .bdaddr_set = null_hci_addr_set,
871
};
872

    
873
struct HCIInfo *qemu_next_hci(void)
874
{
875
    if (cur_hci == nb_hcis)
876
        return &null_hci;
877

    
878
    return hci_table[cur_hci++];
879
}
880

    
881
static struct HCIInfo *hci_init(const char *str)
882
{
883
    char *endp;
884
    struct bt_scatternet_s *vlan = 0;
885

    
886
    if (!strcmp(str, "null"))
887
        /* null */
888
        return &null_hci;
889
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
890
        /* host[:hciN] */
891
        return bt_host_hci(str[4] ? str + 5 : "hci0");
892
    else if (!strncmp(str, "hci", 3)) {
893
        /* hci[,vlan=n] */
894
        if (str[3]) {
895
            if (!strncmp(str + 3, ",vlan=", 6)) {
896
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
897
                if (*endp)
898
                    vlan = 0;
899
            }
900
        } else
901
            vlan = qemu_find_bt_vlan(0);
902
        if (vlan)
903
           return bt_new_hci(vlan);
904
    }
905

    
906
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
907

    
908
    return 0;
909
}
910

    
911
static int bt_hci_parse(const char *str)
912
{
913
    struct HCIInfo *hci;
914
    bdaddr_t bdaddr;
915

    
916
    if (nb_hcis >= MAX_NICS) {
917
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
918
        return -1;
919
    }
920

    
921
    hci = hci_init(str);
922
    if (!hci)
923
        return -1;
924

    
925
    bdaddr.b[0] = 0x52;
926
    bdaddr.b[1] = 0x54;
927
    bdaddr.b[2] = 0x00;
928
    bdaddr.b[3] = 0x12;
929
    bdaddr.b[4] = 0x34;
930
    bdaddr.b[5] = 0x56 + nb_hcis;
931
    hci->bdaddr_set(hci, bdaddr.b);
932

    
933
    hci_table[nb_hcis++] = hci;
934

    
935
    return 0;
936
}
937

    
938
static void bt_vhci_add(int vlan_id)
939
{
940
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
941

    
942
    if (!vlan->slave)
943
        fprintf(stderr, "qemu: warning: adding a VHCI to "
944
                        "an empty scatternet %i\n", vlan_id);
945

    
946
    bt_vhci_init(bt_new_hci(vlan));
947
}
948

    
949
static struct bt_device_s *bt_device_add(const char *opt)
950
{
951
    struct bt_scatternet_s *vlan;
952
    int vlan_id = 0;
953
    char *endp = strstr(opt, ",vlan=");
954
    int len = (endp ? endp - opt : strlen(opt)) + 1;
955
    char devname[10];
956

    
957
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
958

    
959
    if (endp) {
960
        vlan_id = strtol(endp + 6, &endp, 0);
961
        if (*endp) {
962
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
963
            return 0;
964
        }
965
    }
966

    
967
    vlan = qemu_find_bt_vlan(vlan_id);
968

    
969
    if (!vlan->slave)
970
        fprintf(stderr, "qemu: warning: adding a slave device to "
971
                        "an empty scatternet %i\n", vlan_id);
972

    
973
    if (!strcmp(devname, "keyboard"))
974
        return bt_keyboard_init(vlan);
975

    
976
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
977
    return 0;
978
}
979

    
980
static int bt_parse(const char *opt)
981
{
982
    const char *endp, *p;
983
    int vlan;
984

    
985
    if (strstart(opt, "hci", &endp)) {
986
        if (!*endp || *endp == ',') {
987
            if (*endp)
988
                if (!strstart(endp, ",vlan=", 0))
989
                    opt = endp + 1;
990

    
991
            return bt_hci_parse(opt);
992
       }
993
    } else if (strstart(opt, "vhci", &endp)) {
994
        if (!*endp || *endp == ',') {
995
            if (*endp) {
996
                if (strstart(endp, ",vlan=", &p)) {
997
                    vlan = strtol(p, (char **) &endp, 0);
998
                    if (*endp) {
999
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1000
                        return 1;
1001
                    }
1002
                } else {
1003
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1004
                    return 1;
1005
                }
1006
            } else
1007
                vlan = 0;
1008

    
1009
            bt_vhci_add(vlan);
1010
            return 0;
1011
        }
1012
    } else if (strstart(opt, "device:", &endp))
1013
        return !bt_device_add(endp);
1014

    
1015
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1016
    return 1;
1017
}
1018

    
1019
static int parse_sandbox(QemuOpts *opts, void *opaque)
1020
{
1021
    /* FIXME: change this to true for 1.3 */
1022
    if (qemu_opt_get_bool(opts, "enable", false)) {
1023
#ifdef CONFIG_SECCOMP
1024
        if (seccomp_start() < 0) {
1025
            qerror_report(ERROR_CLASS_GENERIC_ERROR,
1026
                          "failed to install seccomp syscall filter in the kernel");
1027
            return -1;
1028
        }
1029
#else
1030
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031
                      "sandboxing request but seccomp is not compiled into this build");
1032
        return -1;
1033
#endif
1034
    }
1035

    
1036
    return 0;
1037
}
1038

    
1039
bool usb_enabled(bool default_usb)
1040
{
1041
    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
1042
}
1043

    
1044
#ifndef _WIN32
1045
static int parse_add_fd(QemuOpts *opts, void *opaque)
1046
{
1047
    int fd, dupfd, flags;
1048
    int64_t fdset_id;
1049
    const char *fd_opaque = NULL;
1050

    
1051
    fd = qemu_opt_get_number(opts, "fd", -1);
1052
    fdset_id = qemu_opt_get_number(opts, "set", -1);
1053
    fd_opaque = qemu_opt_get(opts, "opaque");
1054

    
1055
    if (fd < 0) {
1056
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1057
                      "fd option is required and must be non-negative");
1058
        return -1;
1059
    }
1060

    
1061
    if (fd <= STDERR_FILENO) {
1062
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1063
                      "fd cannot be a standard I/O stream");
1064
        return -1;
1065
    }
1066

    
1067
    /*
1068
     * All fds inherited across exec() necessarily have FD_CLOEXEC
1069
     * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1070
     */
1071
    flags = fcntl(fd, F_GETFD);
1072
    if (flags == -1 || (flags & FD_CLOEXEC)) {
1073
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1074
                      "fd is not valid or already in use");
1075
        return -1;
1076
    }
1077

    
1078
    if (fdset_id < 0) {
1079
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1080
                      "set option is required and must be non-negative");
1081
        return -1;
1082
    }
1083

    
1084
#ifdef F_DUPFD_CLOEXEC
1085
    dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1086
#else
1087
    dupfd = dup(fd);
1088
    if (dupfd != -1) {
1089
        qemu_set_cloexec(dupfd);
1090
    }
1091
#endif
1092
    if (dupfd == -1) {
1093
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1094
                      "Error duplicating fd: %s", strerror(errno));
1095
        return -1;
1096
    }
1097

    
1098
    /* add the duplicate fd, and optionally the opaque string, to the fd set */
1099
    monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1100
                         fd_opaque, NULL);
1101

    
1102
    return 0;
1103
}
1104

    
1105
static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1106
{
1107
    int fd;
1108

    
1109
    fd = qemu_opt_get_number(opts, "fd", -1);
1110
    close(fd);
1111

    
1112
    return 0;
1113
}
1114
#endif
1115

    
1116
/***********************************************************/
1117
/* QEMU Block devices */
1118

    
1119
#define HD_OPTS "media=disk"
1120
#define CDROM_OPTS "media=cdrom"
1121
#define FD_OPTS ""
1122
#define PFLASH_OPTS ""
1123
#define MTD_OPTS ""
1124
#define SD_OPTS ""
1125

    
1126
static int drive_init_func(QemuOpts *opts, void *opaque)
1127
{
1128
    BlockInterfaceType *block_default_type = opaque;
1129

    
1130
    return drive_init(opts, *block_default_type) == NULL;
1131
}
1132

    
1133
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1134
{
1135
    if (NULL == qemu_opt_get(opts, "snapshot")) {
1136
        qemu_opt_set(opts, "snapshot", "on");
1137
    }
1138
    return 0;
1139
}
1140

    
1141
static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1142
                          int index, const char *optstr)
1143
{
1144
    QemuOpts *opts;
1145

    
1146
    if (!enable || drive_get_by_index(type, index)) {
1147
        return;
1148
    }
1149

    
1150
    opts = drive_add(type, index, NULL, optstr);
1151
    if (snapshot) {
1152
        drive_enable_snapshot(opts, NULL);
1153
    }
1154
    if (!drive_init(opts, type)) {
1155
        exit(1);
1156
    }
1157
}
1158

    
1159
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1160
{
1161
    boot_set_handler = func;
1162
    boot_set_opaque = opaque;
1163
}
1164

    
1165
int qemu_boot_set(const char *boot_order)
1166
{
1167
    if (!boot_set_handler) {
1168
        return -EINVAL;
1169
    }
1170
    return boot_set_handler(boot_set_opaque, boot_order);
1171
}
1172

    
1173
static void validate_bootdevices(const char *devices)
1174
{
1175
    /* We just do some generic consistency checks */
1176
    const char *p;
1177
    int bitmap = 0;
1178

    
1179
    for (p = devices; *p != '\0'; p++) {
1180
        /* Allowed boot devices are:
1181
         * a-b: floppy disk drives
1182
         * c-f: IDE disk drives
1183
         * g-m: machine implementation dependent drives
1184
         * n-p: network devices
1185
         * It's up to each machine implementation to check if the given boot
1186
         * devices match the actual hardware implementation and firmware
1187
         * features.
1188
         */
1189
        if (*p < 'a' || *p > 'p') {
1190
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1191
            exit(1);
1192
        }
1193
        if (bitmap & (1 << (*p - 'a'))) {
1194
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1195
            exit(1);
1196
        }
1197
        bitmap |= 1 << (*p - 'a');
1198
    }
1199
}
1200

    
1201
static void restore_boot_order(void *opaque)
1202
{
1203
    char *normal_boot_order = opaque;
1204
    static int first = 1;
1205

    
1206
    /* Restore boot order and remove ourselves after the first boot */
1207
    if (first) {
1208
        first = 0;
1209
        return;
1210
    }
1211

    
1212
    qemu_boot_set(normal_boot_order);
1213

    
1214
    qemu_unregister_reset(restore_boot_order, normal_boot_order);
1215
    g_free(normal_boot_order);
1216
}
1217

    
1218
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1219
                          const char *suffix)
1220
{
1221
    FWBootEntry *node, *i;
1222

    
1223
    if (bootindex < 0) {
1224
        return;
1225
    }
1226

    
1227
    assert(dev != NULL || suffix != NULL);
1228

    
1229
    node = g_malloc0(sizeof(FWBootEntry));
1230
    node->bootindex = bootindex;
1231
    node->suffix = g_strdup(suffix);
1232
    node->dev = dev;
1233

    
1234
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1235
        if (i->bootindex == bootindex) {
1236
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1237
            exit(1);
1238
        } else if (i->bootindex < bootindex) {
1239
            continue;
1240
        }
1241
        QTAILQ_INSERT_BEFORE(i, node, link);
1242
        return;
1243
    }
1244
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1245
}
1246

    
1247
DeviceState *get_boot_device(uint32_t position)
1248
{
1249
    uint32_t counter = 0;
1250
    FWBootEntry *i = NULL;
1251
    DeviceState *res = NULL;
1252

    
1253
    if (!QTAILQ_EMPTY(&fw_boot_order)) {
1254
        QTAILQ_FOREACH(i, &fw_boot_order, link) {
1255
            if (counter == position) {
1256
                res = i->dev;
1257
                break;
1258
            }
1259
            counter++;
1260
        }
1261
    }
1262
    return res;
1263
}
1264

    
1265
/*
1266
 * This function returns null terminated string that consist of new line
1267
 * separated device paths.
1268
 *
1269
 * memory pointed by "size" is assigned total length of the array in bytes
1270
 *
1271
 */
1272
char *get_boot_devices_list(size_t *size)
1273
{
1274
    FWBootEntry *i;
1275
    size_t total = 0;
1276
    char *list = NULL;
1277

    
1278
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1279
        char *devpath = NULL, *bootpath;
1280
        size_t len;
1281

    
1282
        if (i->dev) {
1283
            devpath = qdev_get_fw_dev_path(i->dev);
1284
            assert(devpath);
1285
        }
1286

    
1287
        if (i->suffix && devpath) {
1288
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1289

    
1290
            bootpath = g_malloc(bootpathlen);
1291
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1292
            g_free(devpath);
1293
        } else if (devpath) {
1294
            bootpath = devpath;
1295
        } else {
1296
            assert(i->suffix);
1297
            bootpath = g_strdup(i->suffix);
1298
        }
1299

    
1300
        if (total) {
1301
            list[total-1] = '\n';
1302
        }
1303
        len = strlen(bootpath) + 1;
1304
        list = g_realloc(list, total + len);
1305
        memcpy(&list[total], bootpath, len);
1306
        total += len;
1307
        g_free(bootpath);
1308
    }
1309

    
1310
    *size = total;
1311

    
1312
    if (boot_strict && *size > 0) {
1313
        list[total-1] = '\n';
1314
        list = g_realloc(list, total + 5);
1315
        memcpy(&list[total], "HALT", 5);
1316
        *size = total + 5;
1317
    }
1318
    return list;
1319
}
1320

    
1321
static void numa_node_parse_cpus(int nodenr, const char *cpus)
1322
{
1323
    char *endptr;
1324
    unsigned long long value, endvalue;
1325

    
1326
    /* Empty CPU range strings will be considered valid, they will simply
1327
     * not set any bit in the CPU bitmap.
1328
     */
1329
    if (!*cpus) {
1330
        return;
1331
    }
1332

    
1333
    if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1334
        goto error;
1335
    }
1336
    if (*endptr == '-') {
1337
        if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1338
            goto error;
1339
        }
1340
    } else if (*endptr == '\0') {
1341
        endvalue = value;
1342
    } else {
1343
        goto error;
1344
    }
1345

    
1346
    if (endvalue >= MAX_CPUMASK_BITS) {
1347
        endvalue = MAX_CPUMASK_BITS - 1;
1348
        fprintf(stderr,
1349
            "qemu: NUMA: A max of %d VCPUs are supported\n",
1350
             MAX_CPUMASK_BITS);
1351
    }
1352

    
1353
    if (endvalue < value) {
1354
        goto error;
1355
    }
1356

    
1357
    bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1358
    return;
1359

    
1360
error:
1361
    fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1362
    exit(1);
1363
}
1364

    
1365
static void numa_add(const char *optarg)
1366
{
1367
    char option[128];
1368
    char *endptr;
1369
    unsigned long long nodenr;
1370

    
1371
    optarg = get_opt_name(option, 128, optarg, ',');
1372
    if (*optarg == ',') {
1373
        optarg++;
1374
    }
1375
    if (!strcmp(option, "node")) {
1376

    
1377
        if (nb_numa_nodes >= MAX_NODES) {
1378
            fprintf(stderr, "qemu: too many NUMA nodes\n");
1379
            exit(1);
1380
        }
1381

    
1382
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1383
            nodenr = nb_numa_nodes;
1384
        } else {
1385
            if (parse_uint_full(option, &nodenr, 10) < 0) {
1386
                fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1387
                exit(1);
1388
            }
1389
        }
1390

    
1391
        if (nodenr >= MAX_NODES) {
1392
            fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1393
            exit(1);
1394
        }
1395

    
1396
        if (get_param_value(option, 128, "mem", optarg) == 0) {
1397
            node_mem[nodenr] = 0;
1398
        } else {
1399
            int64_t sval;
1400
            sval = strtosz(option, &endptr);
1401
            if (sval < 0 || *endptr) {
1402
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1403
                exit(1);
1404
            }
1405
            node_mem[nodenr] = sval;
1406
        }
1407
        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1408
            numa_node_parse_cpus(nodenr, option);
1409
        }
1410
        nb_numa_nodes++;
1411
    } else {
1412
        fprintf(stderr, "Invalid -numa option: %s\n", option);
1413
        exit(1);
1414
    }
1415
}
1416

    
1417
static QemuOptsList qemu_smp_opts = {
1418
    .name = "smp-opts",
1419
    .implied_opt_name = "cpus",
1420
    .merge_lists = true,
1421
    .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1422
    .desc = {
1423
        {
1424
            .name = "cpus",
1425
            .type = QEMU_OPT_NUMBER,
1426
        }, {
1427
            .name = "sockets",
1428
            .type = QEMU_OPT_NUMBER,
1429
        }, {
1430
            .name = "cores",
1431
            .type = QEMU_OPT_NUMBER,
1432
        }, {
1433
            .name = "threads",
1434
            .type = QEMU_OPT_NUMBER,
1435
        }, {
1436
            .name = "maxcpus",
1437
            .type = QEMU_OPT_NUMBER,
1438
        },
1439
        { /*End of list */ }
1440
    },
1441
};
1442

    
1443
static void smp_parse(QemuOpts *opts)
1444
{
1445
    if (opts) {
1446

    
1447
        unsigned cpus    = qemu_opt_get_number(opts, "cpus", 0);
1448
        unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1449
        unsigned cores   = qemu_opt_get_number(opts, "cores", 0);
1450
        unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1451

    
1452
        /* compute missing values, prefer sockets over cores over threads */
1453
        if (cpus == 0 || sockets == 0) {
1454
            sockets = sockets > 0 ? sockets : 1;
1455
            cores = cores > 0 ? cores : 1;
1456
            threads = threads > 0 ? threads : 1;
1457
            if (cpus == 0) {
1458
                cpus = cores * threads * sockets;
1459
            }
1460
        } else {
1461
            if (cores == 0) {
1462
                threads = threads > 0 ? threads : 1;
1463
                cores = cpus / (sockets * threads);
1464
            } else {
1465
                threads = cpus / (cores * sockets);
1466
            }
1467
        }
1468

    
1469
        max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1470

    
1471
        smp_cpus = cpus;
1472
        smp_cores = cores > 0 ? cores : 1;
1473
        smp_threads = threads > 0 ? threads : 1;
1474

    
1475
    }
1476

    
1477
    if (max_cpus == 0) {
1478
        max_cpus = smp_cpus;
1479
    }
1480

    
1481
    if (max_cpus > 255) {
1482
        fprintf(stderr, "Unsupported number of maxcpus\n");
1483
        exit(1);
1484
    }
1485
    if (max_cpus < smp_cpus) {
1486
        fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1487
        exit(1);
1488
    }
1489

    
1490
}
1491

    
1492
static void configure_realtime(QemuOpts *opts)
1493
{
1494
    bool enable_mlock;
1495

    
1496
    enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1497

    
1498
    if (enable_mlock) {
1499
        if (os_mlock() < 0) {
1500
            fprintf(stderr, "qemu: locking memory failed\n");
1501
            exit(1);
1502
        }
1503
    }
1504
}
1505

    
1506
/***********************************************************/
1507
/* USB devices */
1508

    
1509
static int usb_device_add(const char *devname)
1510
{
1511
    const char *p;
1512
    USBDevice *dev = NULL;
1513

    
1514
    if (!usb_enabled(false)) {
1515
        return -1;
1516
    }
1517

    
1518
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1519
    dev = usbdevice_create(devname);
1520
    if (dev)
1521
        goto done;
1522

    
1523
    /* the other ones */
1524
#ifndef CONFIG_LINUX
1525
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1526
    if (strstart(devname, "host:", &p)) {
1527
        dev = usb_host_device_open(usb_bus_find(-1), p);
1528
    } else
1529
#endif
1530
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1531
        dev = usb_bt_init(usb_bus_find(-1),
1532
                          devname[2] ? hci_init(p)
1533
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1534
    } else {
1535
        return -1;
1536
    }
1537
    if (!dev)
1538
        return -1;
1539

    
1540
done:
1541
    return 0;
1542
}
1543

    
1544
static int usb_device_del(const char *devname)
1545
{
1546
    int bus_num, addr;
1547
    const char *p;
1548

    
1549
    if (strstart(devname, "host:", &p)) {
1550
        return -1;
1551
    }
1552

    
1553
    if (!usb_enabled(false)) {
1554
        return -1;
1555
    }
1556

    
1557
    p = strchr(devname, '.');
1558
    if (!p)
1559
        return -1;
1560
    bus_num = strtoul(devname, NULL, 0);
1561
    addr = strtoul(p + 1, NULL, 0);
1562

    
1563
    return usb_device_delete_addr(bus_num, addr);
1564
}
1565

    
1566
static int usb_parse(const char *cmdline)
1567
{
1568
    int r;
1569
    r = usb_device_add(cmdline);
1570
    if (r < 0) {
1571
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1572
    }
1573
    return r;
1574
}
1575

    
1576
void do_usb_add(Monitor *mon, const QDict *qdict)
1577
{
1578
    const char *devname = qdict_get_str(qdict, "devname");
1579
    if (usb_device_add(devname) < 0) {
1580
        error_report("could not add USB device '%s'", devname);
1581
    }
1582
}
1583

    
1584
void do_usb_del(Monitor *mon, const QDict *qdict)
1585
{
1586
    const char *devname = qdict_get_str(qdict, "devname");
1587
    if (usb_device_del(devname) < 0) {
1588
        error_report("could not delete USB device '%s'", devname);
1589
    }
1590
}
1591

    
1592
/***********************************************************/
1593
/* PCMCIA/Cardbus */
1594

    
1595
static struct pcmcia_socket_entry_s {
1596
    PCMCIASocket *socket;
1597
    struct pcmcia_socket_entry_s *next;
1598
} *pcmcia_sockets = 0;
1599

    
1600
void pcmcia_socket_register(PCMCIASocket *socket)
1601
{
1602
    struct pcmcia_socket_entry_s *entry;
1603

    
1604
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1605
    entry->socket = socket;
1606
    entry->next = pcmcia_sockets;
1607
    pcmcia_sockets = entry;
1608
}
1609

    
1610
void pcmcia_socket_unregister(PCMCIASocket *socket)
1611
{
1612
    struct pcmcia_socket_entry_s *entry, **ptr;
1613

    
1614
    ptr = &pcmcia_sockets;
1615
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1616
        if (entry->socket == socket) {
1617
            *ptr = entry->next;
1618
            g_free(entry);
1619
        }
1620
}
1621

    
1622
void pcmcia_info(Monitor *mon, const QDict *qdict)
1623
{
1624
    struct pcmcia_socket_entry_s *iter;
1625

    
1626
    if (!pcmcia_sockets)
1627
        monitor_printf(mon, "No PCMCIA sockets\n");
1628

    
1629
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1630
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1631
                       iter->socket->attached ? iter->socket->card_string :
1632
                       "Empty");
1633
}
1634

    
1635
/***********************************************************/
1636
/* machine registration */
1637

    
1638
static QEMUMachine *first_machine = NULL;
1639
QEMUMachine *current_machine = NULL;
1640

    
1641
int qemu_register_machine(QEMUMachine *m)
1642
{
1643
    QEMUMachine **pm;
1644
    pm = &first_machine;
1645
    while (*pm != NULL)
1646
        pm = &(*pm)->next;
1647
    m->next = NULL;
1648
    *pm = m;
1649
    return 0;
1650
}
1651

    
1652
static QEMUMachine *find_machine(const char *name)
1653
{
1654
    QEMUMachine *m;
1655

    
1656
    for(m = first_machine; m != NULL; m = m->next) {
1657
        if (!strcmp(m->name, name))
1658
            return m;
1659
        if (m->alias && !strcmp(m->alias, name))
1660
            return m;
1661
    }
1662
    return NULL;
1663
}
1664

    
1665
QEMUMachine *find_default_machine(void)
1666
{
1667
    QEMUMachine *m;
1668

    
1669
    for(m = first_machine; m != NULL; m = m->next) {
1670
        if (m->is_default) {
1671
            return m;
1672
        }
1673
    }
1674
    return NULL;
1675
}
1676

    
1677
MachineInfoList *qmp_query_machines(Error **errp)
1678
{
1679
    MachineInfoList *mach_list = NULL;
1680
    QEMUMachine *m;
1681

    
1682
    for (m = first_machine; m; m = m->next) {
1683
        MachineInfoList *entry;
1684
        MachineInfo *info;
1685

    
1686
        info = g_malloc0(sizeof(*info));
1687
        if (m->is_default) {
1688
            info->has_is_default = true;
1689
            info->is_default = true;
1690
        }
1691

    
1692
        if (m->alias) {
1693
            info->has_alias = true;
1694
            info->alias = g_strdup(m->alias);
1695
        }
1696

    
1697
        info->name = g_strdup(m->name);
1698
        info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1699

    
1700
        entry = g_malloc0(sizeof(*entry));
1701
        entry->value = info;
1702
        entry->next = mach_list;
1703
        mach_list = entry;
1704
    }
1705

    
1706
    return mach_list;
1707
}
1708

    
1709
/***********************************************************/
1710
/* main execution loop */
1711

    
1712
struct vm_change_state_entry {
1713
    VMChangeStateHandler *cb;
1714
    void *opaque;
1715
    QLIST_ENTRY (vm_change_state_entry) entries;
1716
};
1717

    
1718
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1719

    
1720
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1721
                                                     void *opaque)
1722
{
1723
    VMChangeStateEntry *e;
1724

    
1725
    e = g_malloc0(sizeof (*e));
1726

    
1727
    e->cb = cb;
1728
    e->opaque = opaque;
1729
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1730
    return e;
1731
}
1732

    
1733
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1734
{
1735
    QLIST_REMOVE (e, entries);
1736
    g_free (e);
1737
}
1738

    
1739
void vm_state_notify(int running, RunState state)
1740
{
1741
    VMChangeStateEntry *e;
1742

    
1743
    trace_vm_state_notify(running, state);
1744

    
1745
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1746
        e->cb(e->opaque, running, state);
1747
    }
1748
}
1749

    
1750
void vm_start(void)
1751
{
1752
    if (!runstate_is_running()) {
1753
        cpu_enable_ticks();
1754
        runstate_set(RUN_STATE_RUNNING);
1755
        vm_state_notify(1, RUN_STATE_RUNNING);
1756
        resume_all_vcpus();
1757
        monitor_protocol_event(QEVENT_RESUME, NULL);
1758
    }
1759
}
1760

    
1761
/* reset/shutdown handler */
1762

    
1763
typedef struct QEMUResetEntry {
1764
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1765
    QEMUResetHandler *func;
1766
    void *opaque;
1767
} QEMUResetEntry;
1768

    
1769
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1770
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1771
static int reset_requested;
1772
static int shutdown_requested, shutdown_signal = -1;
1773
static pid_t shutdown_pid;
1774
static int powerdown_requested;
1775
static int debug_requested;
1776
static int suspend_requested;
1777
static int wakeup_requested;
1778
static NotifierList powerdown_notifiers =
1779
    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1780
static NotifierList suspend_notifiers =
1781
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1782
static NotifierList wakeup_notifiers =
1783
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1784
static uint32_t wakeup_reason_mask = ~0;
1785
static RunState vmstop_requested = RUN_STATE_MAX;
1786

    
1787
int qemu_shutdown_requested_get(void)
1788
{
1789
    return shutdown_requested;
1790
}
1791

    
1792
int qemu_reset_requested_get(void)
1793
{
1794
    return reset_requested;
1795
}
1796

    
1797
static int qemu_shutdown_requested(void)
1798
{
1799
    int r = shutdown_requested;
1800
    shutdown_requested = 0;
1801
    return r;
1802
}
1803

    
1804
static void qemu_kill_report(void)
1805
{
1806
    if (!qtest_enabled() && shutdown_signal != -1) {
1807
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1808
        if (shutdown_pid == 0) {
1809
            /* This happens for eg ^C at the terminal, so it's worth
1810
             * avoiding printing an odd message in that case.
1811
             */
1812
            fputc('\n', stderr);
1813
        } else {
1814
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1815
        }
1816
        shutdown_signal = -1;
1817
    }
1818
}
1819

    
1820
static int qemu_reset_requested(void)
1821
{
1822
    int r = reset_requested;
1823
    reset_requested = 0;
1824
    return r;
1825
}
1826

    
1827
static int qemu_suspend_requested(void)
1828
{
1829
    int r = suspend_requested;
1830
    suspend_requested = 0;
1831
    return r;
1832
}
1833

    
1834
static int qemu_wakeup_requested(void)
1835
{
1836
    int r = wakeup_requested;
1837
    wakeup_requested = 0;
1838
    return r;
1839
}
1840

    
1841
static int qemu_powerdown_requested(void)
1842
{
1843
    int r = powerdown_requested;
1844
    powerdown_requested = 0;
1845
    return r;
1846
}
1847

    
1848
static int qemu_debug_requested(void)
1849
{
1850
    int r = debug_requested;
1851
    debug_requested = 0;
1852
    return r;
1853
}
1854

    
1855
/* We use RUN_STATE_MAX but any invalid value will do */
1856
static bool qemu_vmstop_requested(RunState *r)
1857
{
1858
    if (vmstop_requested < RUN_STATE_MAX) {
1859
        *r = vmstop_requested;
1860
        vmstop_requested = RUN_STATE_MAX;
1861
        return true;
1862
    }
1863

    
1864
    return false;
1865
}
1866

    
1867
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1868
{
1869
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1870

    
1871
    re->func = func;
1872
    re->opaque = opaque;
1873
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1874
}
1875

    
1876
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1877
{
1878
    QEMUResetEntry *re;
1879

    
1880
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1881
        if (re->func == func && re->opaque == opaque) {
1882
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1883
            g_free(re);
1884
            return;
1885
        }
1886
    }
1887
}
1888

    
1889
void qemu_devices_reset(void)
1890
{
1891
    QEMUResetEntry *re, *nre;
1892

    
1893
    /* reset all devices */
1894
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1895
        re->func(re->opaque);
1896
    }
1897
}
1898

    
1899
void qemu_system_reset(bool report)
1900
{
1901
    if (current_machine && current_machine->reset) {
1902
        current_machine->reset();
1903
    } else {
1904
        qemu_devices_reset();
1905
    }
1906
    if (report) {
1907
        monitor_protocol_event(QEVENT_RESET, NULL);
1908
    }
1909
    cpu_synchronize_all_post_reset();
1910
}
1911

    
1912
void qemu_system_reset_request(void)
1913
{
1914
    if (no_reboot) {
1915
        shutdown_requested = 1;
1916
    } else {
1917
        reset_requested = 1;
1918
    }
1919
    cpu_stop_current();
1920
    qemu_notify_event();
1921
}
1922

    
1923
static void qemu_system_suspend(void)
1924
{
1925
    pause_all_vcpus();
1926
    notifier_list_notify(&suspend_notifiers, NULL);
1927
    runstate_set(RUN_STATE_SUSPENDED);
1928
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1929
}
1930

    
1931
void qemu_system_suspend_request(void)
1932
{
1933
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1934
        return;
1935
    }
1936
    suspend_requested = 1;
1937
    cpu_stop_current();
1938
    qemu_notify_event();
1939
}
1940

    
1941
void qemu_register_suspend_notifier(Notifier *notifier)
1942
{
1943
    notifier_list_add(&suspend_notifiers, notifier);
1944
}
1945

    
1946
void qemu_system_wakeup_request(WakeupReason reason)
1947
{
1948
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1949
        return;
1950
    }
1951
    if (!(wakeup_reason_mask & (1 << reason))) {
1952
        return;
1953
    }
1954
    runstate_set(RUN_STATE_RUNNING);
1955
    notifier_list_notify(&wakeup_notifiers, &reason);
1956
    wakeup_requested = 1;
1957
    qemu_notify_event();
1958
}
1959

    
1960
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1961
{
1962
    if (enabled) {
1963
        wakeup_reason_mask |= (1 << reason);
1964
    } else {
1965
        wakeup_reason_mask &= ~(1 << reason);
1966
    }
1967
}
1968

    
1969
void qemu_register_wakeup_notifier(Notifier *notifier)
1970
{
1971
    notifier_list_add(&wakeup_notifiers, notifier);
1972
}
1973

    
1974
void qemu_system_killed(int signal, pid_t pid)
1975
{
1976
    shutdown_signal = signal;
1977
    shutdown_pid = pid;
1978
    no_shutdown = 0;
1979
    qemu_system_shutdown_request();
1980
}
1981

    
1982
void qemu_system_shutdown_request(void)
1983
{
1984
    shutdown_requested = 1;
1985
    qemu_notify_event();
1986
}
1987

    
1988
static void qemu_system_powerdown(void)
1989
{
1990
    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1991
    notifier_list_notify(&powerdown_notifiers, NULL);
1992
}
1993

    
1994
void qemu_system_powerdown_request(void)
1995
{
1996
    powerdown_requested = 1;
1997
    qemu_notify_event();
1998
}
1999

    
2000
void qemu_register_powerdown_notifier(Notifier *notifier)
2001
{
2002
    notifier_list_add(&powerdown_notifiers, notifier);
2003
}
2004

    
2005
void qemu_system_debug_request(void)
2006
{
2007
    debug_requested = 1;
2008
    qemu_notify_event();
2009
}
2010

    
2011
void qemu_system_vmstop_request(RunState state)
2012
{
2013
    vmstop_requested = state;
2014
    qemu_notify_event();
2015
}
2016

    
2017
static bool main_loop_should_exit(void)
2018
{
2019
    RunState r;
2020
    if (qemu_debug_requested()) {
2021
        vm_stop(RUN_STATE_DEBUG);
2022
    }
2023
    if (qemu_suspend_requested()) {
2024
        qemu_system_suspend();
2025
    }
2026
    if (qemu_shutdown_requested()) {
2027
        qemu_kill_report();
2028
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2029
        if (no_shutdown) {
2030
            vm_stop(RUN_STATE_SHUTDOWN);
2031
        } else {
2032
            return true;
2033
        }
2034
    }
2035
    if (qemu_reset_requested()) {
2036
        pause_all_vcpus();
2037
        cpu_synchronize_all_states();
2038
        qemu_system_reset(VMRESET_REPORT);
2039
        resume_all_vcpus();
2040
        if (runstate_needs_reset()) {
2041
            runstate_set(RUN_STATE_PAUSED);
2042
        }
2043
    }
2044
    if (qemu_wakeup_requested()) {
2045
        pause_all_vcpus();
2046
        cpu_synchronize_all_states();
2047
        qemu_system_reset(VMRESET_SILENT);
2048
        resume_all_vcpus();
2049
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
2050
    }
2051
    if (qemu_powerdown_requested()) {
2052
        qemu_system_powerdown();
2053
    }
2054
    if (qemu_vmstop_requested(&r)) {
2055
        vm_stop(r);
2056
    }
2057
    return false;
2058
}
2059

    
2060
static void main_loop(void)
2061
{
2062
    bool nonblocking;
2063
    int last_io = 0;
2064
#ifdef CONFIG_PROFILER
2065
    int64_t ti;
2066
#endif
2067
    do {
2068
        nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2069
#ifdef CONFIG_PROFILER
2070
        ti = profile_getclock();
2071
#endif
2072
        last_io = main_loop_wait(nonblocking);
2073
#ifdef CONFIG_PROFILER
2074
        dev_time += profile_getclock() - ti;
2075
#endif
2076
    } while (!main_loop_should_exit());
2077
}
2078

    
2079
static void version(void)
2080
{
2081
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2082
}
2083

    
2084
static void help(int exitcode)
2085
{
2086
    version();
2087
    printf("usage: %s [options] [disk_image]\n\n"
2088
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2089
            error_get_progname());
2090

    
2091
#define QEMU_OPTIONS_GENERATE_HELP
2092
#include "qemu-options-wrapper.h"
2093

    
2094
    printf("\nDuring emulation, the following keys are useful:\n"
2095
           "ctrl-alt-f      toggle full screen\n"
2096
           "ctrl-alt-n      switch to virtual console 'n'\n"
2097
           "ctrl-alt        toggle mouse and keyboard grab\n"
2098
           "\n"
2099
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
2100

    
2101
    exit(exitcode);
2102
}
2103

    
2104
#define HAS_ARG 0x0001
2105

    
2106
typedef struct QEMUOption {
2107
    const char *name;
2108
    int flags;
2109
    int index;
2110
    uint32_t arch_mask;
2111
} QEMUOption;
2112

    
2113
static const QEMUOption qemu_options[] = {
2114
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2115
#define QEMU_OPTIONS_GENERATE_OPTIONS
2116
#include "qemu-options-wrapper.h"
2117
    { NULL },
2118
};
2119

    
2120
static bool vga_available(void)
2121
{
2122
    return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2123
}
2124

    
2125
static bool cirrus_vga_available(void)
2126
{
2127
    return object_class_by_name("cirrus-vga")
2128
           || object_class_by_name("isa-cirrus-vga");
2129
}
2130

    
2131
static bool vmware_vga_available(void)
2132
{
2133
    return object_class_by_name("vmware-svga");
2134
}
2135

    
2136
static bool qxl_vga_available(void)
2137
{
2138
    return object_class_by_name("qxl-vga");
2139
}
2140

    
2141
static void select_vgahw (const char *p)
2142
{
2143
    const char *opts;
2144

    
2145
    vga_interface_type = VGA_NONE;
2146
    if (strstart(p, "std", &opts)) {
2147
        if (vga_available()) {
2148
            vga_interface_type = VGA_STD;
2149
        } else {
2150
            fprintf(stderr, "Error: standard VGA not available\n");
2151
            exit(0);
2152
        }
2153
    } else if (strstart(p, "cirrus", &opts)) {
2154
        if (cirrus_vga_available()) {
2155
            vga_interface_type = VGA_CIRRUS;
2156
        } else {
2157
            fprintf(stderr, "Error: Cirrus VGA not available\n");
2158
            exit(0);
2159
        }
2160
    } else if (strstart(p, "vmware", &opts)) {
2161
        if (vmware_vga_available()) {
2162
            vga_interface_type = VGA_VMWARE;
2163
        } else {
2164
            fprintf(stderr, "Error: VMWare SVGA not available\n");
2165
            exit(0);
2166
        }
2167
    } else if (strstart(p, "xenfb", &opts)) {
2168
        vga_interface_type = VGA_XENFB;
2169
    } else if (strstart(p, "qxl", &opts)) {
2170
        if (qxl_vga_available()) {
2171
            vga_interface_type = VGA_QXL;
2172
        } else {
2173
            fprintf(stderr, "Error: QXL VGA not available\n");
2174
            exit(0);
2175
        }
2176
    } else if (!strstart(p, "none", &opts)) {
2177
    invalid_vga:
2178
        fprintf(stderr, "Unknown vga type: %s\n", p);
2179
        exit(1);
2180
    }
2181
    while (*opts) {
2182
        const char *nextopt;
2183

    
2184
        if (strstart(opts, ",retrace=", &nextopt)) {
2185
            opts = nextopt;
2186
            if (strstart(opts, "dumb", &nextopt))
2187
                vga_retrace_method = VGA_RETRACE_DUMB;
2188
            else if (strstart(opts, "precise", &nextopt))
2189
                vga_retrace_method = VGA_RETRACE_PRECISE;
2190
            else goto invalid_vga;
2191
        } else goto invalid_vga;
2192
        opts = nextopt;
2193
    }
2194
}
2195

    
2196
static DisplayType select_display(const char *p)
2197
{
2198
    const char *opts;
2199
    DisplayType display = DT_DEFAULT;
2200

    
2201
    if (strstart(p, "sdl", &opts)) {
2202
#ifdef CONFIG_SDL
2203
        display = DT_SDL;
2204
        while (*opts) {
2205
            const char *nextopt;
2206

    
2207
            if (strstart(opts, ",frame=", &nextopt)) {
2208
                opts = nextopt;
2209
                if (strstart(opts, "on", &nextopt)) {
2210
                    no_frame = 0;
2211
                } else if (strstart(opts, "off", &nextopt)) {
2212
                    no_frame = 1;
2213
                } else {
2214
                    goto invalid_sdl_args;
2215
                }
2216
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2217
                opts = nextopt;
2218
                if (strstart(opts, "on", &nextopt)) {
2219
                    alt_grab = 1;
2220
                } else if (strstart(opts, "off", &nextopt)) {
2221
                    alt_grab = 0;
2222
                } else {
2223
                    goto invalid_sdl_args;
2224
                }
2225
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2226
                opts = nextopt;
2227
                if (strstart(opts, "on", &nextopt)) {
2228
                    ctrl_grab = 1;
2229
                } else if (strstart(opts, "off", &nextopt)) {
2230
                    ctrl_grab = 0;
2231
                } else {
2232
                    goto invalid_sdl_args;
2233
                }
2234
            } else if (strstart(opts, ",window_close=", &nextopt)) {
2235
                opts = nextopt;
2236
                if (strstart(opts, "on", &nextopt)) {
2237
                    no_quit = 0;
2238
                } else if (strstart(opts, "off", &nextopt)) {
2239
                    no_quit = 1;
2240
                } else {
2241
                    goto invalid_sdl_args;
2242
                }
2243
            } else {
2244
            invalid_sdl_args:
2245
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
2246
                exit(1);
2247
            }
2248
            opts = nextopt;
2249
        }
2250
#else
2251
        fprintf(stderr, "SDL support is disabled\n");
2252
        exit(1);
2253
#endif
2254
    } else if (strstart(p, "vnc", &opts)) {
2255
#ifdef CONFIG_VNC
2256
        display_remote++;
2257

    
2258
        if (*opts) {
2259
            const char *nextopt;
2260

    
2261
            if (strstart(opts, "=", &nextopt)) {
2262
                vnc_display = nextopt;
2263
            }
2264
        }
2265
        if (!vnc_display) {
2266
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2267
            exit(1);
2268
        }
2269
#else
2270
        fprintf(stderr, "VNC support is disabled\n");
2271
        exit(1);
2272
#endif
2273
    } else if (strstart(p, "curses", &opts)) {
2274
#ifdef CONFIG_CURSES
2275
        display = DT_CURSES;
2276
#else
2277
        fprintf(stderr, "Curses support is disabled\n");
2278
        exit(1);
2279
#endif
2280
    } else if (strstart(p, "gtk", &opts)) {
2281
#ifdef CONFIG_GTK
2282
        display = DT_GTK;
2283
#else
2284
        fprintf(stderr, "GTK support is disabled\n");
2285
        exit(1);
2286
#endif
2287
    } else if (strstart(p, "none", &opts)) {
2288
        display = DT_NONE;
2289
    } else {
2290
        fprintf(stderr, "Unknown display type: %s\n", p);
2291
        exit(1);
2292
    }
2293

    
2294
    return display;
2295
}
2296

    
2297
static int balloon_parse(const char *arg)
2298
{
2299
    QemuOpts *opts;
2300

    
2301
    if (strcmp(arg, "none") == 0) {
2302
        return 0;
2303
    }
2304

    
2305
    if (!strncmp(arg, "virtio", 6)) {
2306
        if (arg[6] == ',') {
2307
            /* have params -> parse them */
2308
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2309
            if (!opts)
2310
                return  -1;
2311
        } else {
2312
            /* create empty opts */
2313
            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2314
        }
2315
        qemu_opt_set(opts, "driver", "virtio-balloon");
2316
        return 0;
2317
    }
2318

    
2319
    return -1;
2320
}
2321

    
2322
char *qemu_find_file(int type, const char *name)
2323
{
2324
    int i;
2325
    const char *subdir;
2326
    char *buf;
2327

    
2328
    /* Try the name as a straight path first */
2329
    if (access(name, R_OK) == 0) {
2330
        trace_load_file(name, name);
2331
        return g_strdup(name);
2332
    }
2333

    
2334
    switch (type) {
2335
    case QEMU_FILE_TYPE_BIOS:
2336
        subdir = "";
2337
        break;
2338
    case QEMU_FILE_TYPE_KEYMAP:
2339
        subdir = "keymaps/";
2340
        break;
2341
    default:
2342
        abort();
2343
    }
2344

    
2345
    for (i = 0; i < data_dir_idx; i++) {
2346
        buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2347
        if (access(buf, R_OK) == 0) {
2348
            trace_load_file(name, buf);
2349
            return buf;
2350
        }
2351
        g_free(buf);
2352
    }
2353
    return NULL;
2354
}
2355

    
2356
static int device_help_func(QemuOpts *opts, void *opaque)
2357
{
2358
    return qdev_device_help(opts);
2359
}
2360

    
2361
static int device_init_func(QemuOpts *opts, void *opaque)
2362
{
2363
    DeviceState *dev;
2364

    
2365
    dev = qdev_device_add(opts);
2366
    if (!dev)
2367
        return -1;
2368
    object_unref(OBJECT(dev));
2369
    return 0;
2370
}
2371

    
2372
static int chardev_init_func(QemuOpts *opts, void *opaque)
2373
{
2374
    Error *local_err = NULL;
2375

    
2376
    qemu_chr_new_from_opts(opts, NULL, &local_err);
2377
    if (error_is_set(&local_err)) {
2378
        fprintf(stderr, "%s\n", error_get_pretty(local_err));
2379
        error_free(local_err);
2380
        return -1;
2381
    }
2382
    return 0;
2383
}
2384

    
2385
#ifdef CONFIG_VIRTFS
2386
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2387
{
2388
    int ret;
2389
    ret = qemu_fsdev_add(opts);
2390

    
2391
    return ret;
2392
}
2393
#endif
2394

    
2395
static int mon_init_func(QemuOpts *opts, void *opaque)
2396
{
2397
    CharDriverState *chr;
2398
    const char *chardev;
2399
    const char *mode;
2400
    int flags;
2401

    
2402
    mode = qemu_opt_get(opts, "mode");
2403
    if (mode == NULL) {
2404
        mode = "readline";
2405
    }
2406
    if (strcmp(mode, "readline") == 0) {
2407
        flags = MONITOR_USE_READLINE;
2408
    } else if (strcmp(mode, "control") == 0) {
2409
        flags = MONITOR_USE_CONTROL;
2410
    } else {
2411
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2412
        exit(1);
2413
    }
2414

    
2415
    if (qemu_opt_get_bool(opts, "pretty", 0))
2416
        flags |= MONITOR_USE_PRETTY;
2417

    
2418
    if (qemu_opt_get_bool(opts, "default", 0))
2419
        flags |= MONITOR_IS_DEFAULT;
2420

    
2421
    chardev = qemu_opt_get(opts, "chardev");
2422
    chr = qemu_chr_find(chardev);
2423
    if (chr == NULL) {
2424
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2425
        exit(1);
2426
    }
2427

    
2428
    qemu_chr_fe_claim_no_fail(chr);
2429
    monitor_init(chr, flags);
2430
    return 0;
2431
}
2432

    
2433
static void monitor_parse(const char *optarg, const char *mode)
2434
{
2435
    static int monitor_device_index = 0;
2436
    QemuOpts *opts;
2437
    const char *p;
2438
    char label[32];
2439
    int def = 0;
2440

    
2441
    if (strstart(optarg, "chardev:", &p)) {
2442
        snprintf(label, sizeof(label), "%s", p);
2443
    } else {
2444
        snprintf(label, sizeof(label), "compat_monitor%d",
2445
                 monitor_device_index);
2446
        if (monitor_device_index == 0) {
2447
            def = 1;
2448
        }
2449
        opts = qemu_chr_parse_compat(label, optarg);
2450
        if (!opts) {
2451
            fprintf(stderr, "parse error: %s\n", optarg);
2452
            exit(1);
2453
        }
2454
    }
2455

    
2456
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2457
    if (!opts) {
2458
        fprintf(stderr, "duplicate chardev: %s\n", label);
2459
        exit(1);
2460
    }
2461
    qemu_opt_set(opts, "mode", mode);
2462
    qemu_opt_set(opts, "chardev", label);
2463
    if (def)
2464
        qemu_opt_set(opts, "default", "on");
2465
    monitor_device_index++;
2466
}
2467

    
2468
struct device_config {
2469
    enum {
2470
        DEV_USB,       /* -usbdevice     */
2471
        DEV_BT,        /* -bt            */
2472
        DEV_SERIAL,    /* -serial        */
2473
        DEV_PARALLEL,  /* -parallel      */
2474
        DEV_VIRTCON,   /* -virtioconsole */
2475
        DEV_DEBUGCON,  /* -debugcon */
2476
        DEV_GDB,       /* -gdb, -s */
2477
        DEV_SCLP,      /* s390 sclp */
2478
    } type;
2479
    const char *cmdline;
2480
    Location loc;
2481
    QTAILQ_ENTRY(device_config) next;
2482
};
2483

    
2484
static QTAILQ_HEAD(, device_config) device_configs =
2485
    QTAILQ_HEAD_INITIALIZER(device_configs);
2486

    
2487
static void add_device_config(int type, const char *cmdline)
2488
{
2489
    struct device_config *conf;
2490

    
2491
    conf = g_malloc0(sizeof(*conf));
2492
    conf->type = type;
2493
    conf->cmdline = cmdline;
2494
    loc_save(&conf->loc);
2495
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2496
}
2497

    
2498
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2499
{
2500
    struct device_config *conf;
2501
    int rc;
2502

    
2503
    QTAILQ_FOREACH(conf, &device_configs, next) {
2504
        if (conf->type != type)
2505
            continue;
2506
        loc_push_restore(&conf->loc);
2507
        rc = func(conf->cmdline);
2508
        loc_pop(&conf->loc);
2509
        if (0 != rc)
2510
            return rc;
2511
    }
2512
    return 0;
2513
}
2514

    
2515
static int serial_parse(const char *devname)
2516
{
2517
    static int index = 0;
2518
    char label[32];
2519

    
2520
    if (strcmp(devname, "none") == 0)
2521
        return 0;
2522
    if (index == MAX_SERIAL_PORTS) {
2523
        fprintf(stderr, "qemu: too many serial ports\n");
2524
        exit(1);
2525
    }
2526
    snprintf(label, sizeof(label), "serial%d", index);
2527
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2528
    if (!serial_hds[index]) {
2529
        fprintf(stderr, "qemu: could not connect serial device"
2530
                " to character backend '%s'\n", devname);
2531
        return -1;
2532
    }
2533
    index++;
2534
    return 0;
2535
}
2536

    
2537
static int parallel_parse(const char *devname)
2538
{
2539
    static int index = 0;
2540
    char label[32];
2541

    
2542
    if (strcmp(devname, "none") == 0)
2543
        return 0;
2544
    if (index == MAX_PARALLEL_PORTS) {
2545
        fprintf(stderr, "qemu: too many parallel ports\n");
2546
        exit(1);
2547
    }
2548
    snprintf(label, sizeof(label), "parallel%d", index);
2549
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2550
    if (!parallel_hds[index]) {
2551
        fprintf(stderr, "qemu: could not connect parallel device"
2552
                " to character backend '%s'\n", devname);
2553
        return -1;
2554
    }
2555
    index++;
2556
    return 0;
2557
}
2558

    
2559
static int virtcon_parse(const char *devname)
2560
{
2561
    QemuOptsList *device = qemu_find_opts("device");
2562
    static int index = 0;
2563
    char label[32];
2564
    QemuOpts *bus_opts, *dev_opts;
2565

    
2566
    if (strcmp(devname, "none") == 0)
2567
        return 0;
2568
    if (index == MAX_VIRTIO_CONSOLES) {
2569
        fprintf(stderr, "qemu: too many virtio consoles\n");
2570
        exit(1);
2571
    }
2572

    
2573
    bus_opts = qemu_opts_create_nofail(device);
2574
    if (arch_type == QEMU_ARCH_S390X) {
2575
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2576
    } else {
2577
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2578
    }
2579

    
2580
    dev_opts = qemu_opts_create_nofail(device);
2581
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2582

    
2583
    snprintf(label, sizeof(label), "virtcon%d", index);
2584
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2585
    if (!virtcon_hds[index]) {
2586
        fprintf(stderr, "qemu: could not connect virtio console"
2587
                " to character backend '%s'\n", devname);
2588
        return -1;
2589
    }
2590
    qemu_opt_set(dev_opts, "chardev", label);
2591

    
2592
    index++;
2593
    return 0;
2594
}
2595

    
2596
static int sclp_parse(const char *devname)
2597
{
2598
    QemuOptsList *device = qemu_find_opts("device");
2599
    static int index = 0;
2600
    char label[32];
2601
    QemuOpts *dev_opts;
2602

    
2603
    if (strcmp(devname, "none") == 0) {
2604
        return 0;
2605
    }
2606
    if (index == MAX_SCLP_CONSOLES) {
2607
        fprintf(stderr, "qemu: too many sclp consoles\n");
2608
        exit(1);
2609
    }
2610

    
2611
    assert(arch_type == QEMU_ARCH_S390X);
2612

    
2613
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2614
    qemu_opt_set(dev_opts, "driver", "sclpconsole");
2615

    
2616
    snprintf(label, sizeof(label), "sclpcon%d", index);
2617
    sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2618
    if (!sclp_hds[index]) {
2619
        fprintf(stderr, "qemu: could not connect sclp console"
2620
                " to character backend '%s'\n", devname);
2621
        return -1;
2622
    }
2623
    qemu_opt_set(dev_opts, "chardev", label);
2624

    
2625
    index++;
2626
    return 0;
2627
}
2628

    
2629
static int debugcon_parse(const char *devname)
2630
{
2631
    QemuOpts *opts;
2632

    
2633
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2634
        exit(1);
2635
    }
2636
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2637
    if (!opts) {
2638
        fprintf(stderr, "qemu: already have a debugcon device\n");
2639
        exit(1);
2640
    }
2641
    qemu_opt_set(opts, "driver", "isa-debugcon");
2642
    qemu_opt_set(opts, "chardev", "debugcon");
2643
    return 0;
2644
}
2645

    
2646
static QEMUMachine *machine_parse(const char *name)
2647
{
2648
    QEMUMachine *m, *machine = NULL;
2649

    
2650
    if (name) {
2651
        machine = find_machine(name);
2652
    }
2653
    if (machine) {
2654
        return machine;
2655
    }
2656
    printf("Supported machines are:\n");
2657
    for (m = first_machine; m != NULL; m = m->next) {
2658
        if (m->alias) {
2659
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2660
        }
2661
        printf("%-20s %s%s\n", m->name, m->desc,
2662
               m->is_default ? " (default)" : "");
2663
    }
2664
    exit(!name || !is_help_option(name));
2665
}
2666

    
2667
static int tcg_init(void)
2668
{
2669
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2670
    return 0;
2671
}
2672

    
2673
static struct {
2674
    const char *opt_name;
2675
    const char *name;
2676
    int (*available)(void);
2677
    int (*init)(void);
2678
    bool *allowed;
2679
} accel_list[] = {
2680
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2681
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2682
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2683
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2684
};
2685

    
2686
static int configure_accelerator(void)
2687
{
2688
    const char *p;
2689
    char buf[10];
2690
    int i, ret;
2691
    bool accel_initialised = false;
2692
    bool init_failed = false;
2693

    
2694
    p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2695
    if (p == NULL) {
2696
        /* Use the default "accelerator", tcg */
2697
        p = "tcg";
2698
    }
2699

    
2700
    while (!accel_initialised && *p != '\0') {
2701
        if (*p == ':') {
2702
            p++;
2703
        }
2704
        p = get_opt_name(buf, sizeof (buf), p, ':');
2705
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2706
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2707
                if (!accel_list[i].available()) {
2708
                    printf("%s not supported for this target\n",
2709
                           accel_list[i].name);
2710
                    continue;
2711
                }
2712
                *(accel_list[i].allowed) = true;
2713
                ret = accel_list[i].init();
2714
                if (ret < 0) {
2715
                    init_failed = true;
2716
                    fprintf(stderr, "failed to initialize %s: %s\n",
2717
                            accel_list[i].name,
2718
                            strerror(-ret));
2719
                    *(accel_list[i].allowed) = false;
2720
                } else {
2721
                    accel_initialised = true;
2722
                }
2723
                break;
2724
            }
2725
        }
2726
        if (i == ARRAY_SIZE(accel_list)) {
2727
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2728
        }
2729
    }
2730

    
2731
    if (!accel_initialised) {
2732
        if (!init_failed) {
2733
            fprintf(stderr, "No accelerator found!\n");
2734
        }
2735
        exit(1);
2736
    }
2737

    
2738
    if (init_failed) {
2739
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2740
    }
2741

    
2742
    return !accel_initialised;
2743
}
2744

    
2745
void qemu_add_exit_notifier(Notifier *notify)
2746
{
2747
    notifier_list_add(&exit_notifiers, notify);
2748
}
2749

    
2750
void qemu_remove_exit_notifier(Notifier *notify)
2751
{
2752
    notifier_remove(notify);
2753
}
2754

    
2755
static void qemu_run_exit_notifiers(void)
2756
{
2757
    notifier_list_notify(&exit_notifiers, NULL);
2758
}
2759

    
2760
void qemu_add_machine_init_done_notifier(Notifier *notify)
2761
{
2762
    notifier_list_add(&machine_init_done_notifiers, notify);
2763
}
2764

    
2765
static void qemu_run_machine_init_done_notifiers(void)
2766
{
2767
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2768
}
2769

    
2770
static const QEMUOption *lookup_opt(int argc, char **argv,
2771
                                    const char **poptarg, int *poptind)
2772
{
2773
    const QEMUOption *popt;
2774
    int optind = *poptind;
2775
    char *r = argv[optind];
2776
    const char *optarg;
2777

    
2778
    loc_set_cmdline(argv, optind, 1);
2779
    optind++;
2780
    /* Treat --foo the same as -foo.  */
2781
    if (r[1] == '-')
2782
        r++;
2783
    popt = qemu_options;
2784
    for(;;) {
2785
        if (!popt->name) {
2786
            error_report("invalid option");
2787
            exit(1);
2788
        }
2789
        if (!strcmp(popt->name, r + 1))
2790
            break;
2791
        popt++;
2792
    }
2793
    if (popt->flags & HAS_ARG) {
2794
        if (optind >= argc) {
2795
            error_report("requires an argument");
2796
            exit(1);
2797
        }
2798
        optarg = argv[optind++];
2799
        loc_set_cmdline(argv, optind - 2, 2);
2800
    } else {
2801
        optarg = NULL;
2802
    }
2803

    
2804
    *poptarg = optarg;
2805
    *poptind = optind;
2806

    
2807
    return popt;
2808
}
2809

    
2810
static gpointer malloc_and_trace(gsize n_bytes)
2811
{
2812
    void *ptr = malloc(n_bytes);
2813
    trace_g_malloc(n_bytes, ptr);
2814
    return ptr;
2815
}
2816

    
2817
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2818
{
2819
    void *ptr = realloc(mem, n_bytes);
2820
    trace_g_realloc(mem, n_bytes, ptr);
2821
    return ptr;
2822
}
2823

    
2824
static void free_and_trace(gpointer mem)
2825
{
2826
    trace_g_free(mem);
2827
    free(mem);
2828
}
2829

    
2830
static int object_set_property(const char *name, const char *value, void *opaque)
2831
{
2832
    Object *obj = OBJECT(opaque);
2833
    StringInputVisitor *siv;
2834
    Error *local_err = NULL;
2835

    
2836
    if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2837
        return 0;
2838
    }
2839

    
2840
    siv = string_input_visitor_new(value);
2841
    object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2842
    string_input_visitor_cleanup(siv);
2843

    
2844
    if (local_err) {
2845
        qerror_report_err(local_err);
2846
        error_free(local_err);
2847
        return -1;
2848
    }
2849

    
2850
    return 0;
2851
}
2852

    
2853
static int object_create(QemuOpts *opts, void *opaque)
2854
{
2855
    const char *type = qemu_opt_get(opts, "qom-type");
2856
    const char *id = qemu_opts_id(opts);
2857
    Object *obj;
2858

    
2859
    g_assert(type != NULL);
2860

    
2861
    if (id == NULL) {
2862
        qerror_report(QERR_MISSING_PARAMETER, "id");
2863
        return -1;
2864
    }
2865

    
2866
    obj = object_new(type);
2867
    if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2868
        return -1;
2869
    }
2870

    
2871
    object_property_add_child(container_get(object_get_root(), "/objects"),
2872
                              id, obj, NULL);
2873

    
2874
    return 0;
2875
}
2876

    
2877
int main(int argc, char **argv, char **envp)
2878
{
2879
    int i;
2880
    int snapshot, linux_boot;
2881
    const char *icount_option = NULL;
2882
    const char *initrd_filename;
2883
    const char *kernel_filename, *kernel_cmdline;
2884
    const char *boot_order = NULL;
2885
    DisplayState *ds;
2886
    int cyls, heads, secs, translation;
2887
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2888
    QemuOptsList *olist;
2889
    int optind;
2890
    const char *optarg;
2891
    const char *loadvm = NULL;
2892
    QEMUMachine *machine;
2893
    const char *cpu_model;
2894
    const char *vga_model = "none";
2895
    const char *pid_file = NULL;
2896
    const char *incoming = NULL;
2897
#ifdef CONFIG_VNC
2898
    int show_vnc_port = 0;
2899
#endif
2900
    bool defconfig = true;
2901
    bool userconfig = true;
2902
    const char *log_mask = NULL;
2903
    const char *log_file = NULL;
2904
    GMemVTable mem_trace = {
2905
        .malloc = malloc_and_trace,
2906
        .realloc = realloc_and_trace,
2907
        .free = free_and_trace,
2908
    };
2909
    const char *trace_events = NULL;
2910
    const char *trace_file = NULL;
2911

    
2912
    atexit(qemu_run_exit_notifiers);
2913
    error_set_progname(argv[0]);
2914

    
2915
    g_mem_set_vtable(&mem_trace);
2916
    if (!g_thread_supported()) {
2917
#if !GLIB_CHECK_VERSION(2, 31, 0)
2918
        g_thread_init(NULL);
2919
#else
2920
        fprintf(stderr, "glib threading failed to initialize.\n");
2921
        exit(1);
2922
#endif
2923
    }
2924

    
2925
    module_call_init(MODULE_INIT_QOM);
2926

    
2927
    qemu_add_opts(&qemu_drive_opts);
2928
    qemu_add_opts(&qemu_chardev_opts);
2929
    qemu_add_opts(&qemu_device_opts);
2930
    qemu_add_opts(&qemu_netdev_opts);
2931
    qemu_add_opts(&qemu_net_opts);
2932
    qemu_add_opts(&qemu_rtc_opts);
2933
    qemu_add_opts(&qemu_global_opts);
2934
    qemu_add_opts(&qemu_mon_opts);
2935
    qemu_add_opts(&qemu_trace_opts);
2936
    qemu_add_opts(&qemu_option_rom_opts);
2937
    qemu_add_opts(&qemu_machine_opts);
2938
    qemu_add_opts(&qemu_smp_opts);
2939
    qemu_add_opts(&qemu_boot_opts);
2940
    qemu_add_opts(&qemu_sandbox_opts);
2941
    qemu_add_opts(&qemu_add_fd_opts);
2942
    qemu_add_opts(&qemu_object_opts);
2943
    qemu_add_opts(&qemu_tpmdev_opts);
2944
    qemu_add_opts(&qemu_realtime_opts);
2945

    
2946
    runstate_init();
2947

    
2948
    init_clocks();
2949
    rtc_clock = host_clock;
2950

    
2951
    qemu_cache_utils_init(envp);
2952

    
2953
    QLIST_INIT (&vm_change_state_head);
2954
    os_setup_early_signal_handling();
2955

    
2956
    module_call_init(MODULE_INIT_MACHINE);
2957
    machine = find_default_machine();
2958
    cpu_model = NULL;
2959
    ram_size = 0;
2960
    snapshot = 0;
2961
    cyls = heads = secs = 0;
2962
    translation = BIOS_ATA_TRANSLATION_AUTO;
2963

    
2964
    for (i = 0; i < MAX_NODES; i++) {
2965
        node_mem[i] = 0;
2966
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2967
    }
2968

    
2969
    nb_numa_nodes = 0;
2970
    nb_nics = 0;
2971

    
2972
    bdrv_init_with_whitelist();
2973

    
2974
    autostart= 1;
2975

    
2976
    /* first pass of option parsing */
2977
    optind = 1;
2978
    while (optind < argc) {
2979
        if (argv[optind][0] != '-') {
2980
            /* disk image */
2981
            optind++;
2982
            continue;
2983
        } else {
2984
            const QEMUOption *popt;
2985

    
2986
            popt = lookup_opt(argc, argv, &optarg, &optind);
2987
            switch (popt->index) {
2988
            case QEMU_OPTION_nodefconfig:
2989
                defconfig = false;
2990
                break;
2991
            case QEMU_OPTION_nouserconfig:
2992
                userconfig = false;
2993
                break;
2994
            }
2995
        }
2996
    }
2997

    
2998
    if (defconfig) {
2999
        int ret;
3000
        ret = qemu_read_default_config_files(userconfig);
3001
        if (ret < 0) {
3002
            exit(1);
3003
        }
3004
    }
3005

    
3006
    /* second pass of option parsing */
3007
    optind = 1;
3008
    for(;;) {
3009
        if (optind >= argc)
3010
            break;
3011
        if (argv[optind][0] != '-') {
3012
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3013
        } else {
3014
            const QEMUOption *popt;
3015

    
3016
            popt = lookup_opt(argc, argv, &optarg, &optind);
3017
            if (!(popt->arch_mask & arch_type)) {
3018
                printf("Option %s not supported for this target\n", popt->name);
3019
                exit(1);
3020
            }
3021
            switch(popt->index) {
3022
            case QEMU_OPTION_M:
3023
                machine = machine_parse(optarg);
3024
                break;
3025
            case QEMU_OPTION_no_kvm_irqchip: {
3026
                olist = qemu_find_opts("machine");
3027
                qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3028
                break;
3029
            }
3030
            case QEMU_OPTION_cpu:
3031
                /* hw initialization will check this */
3032
                cpu_model = optarg;
3033
                break;
3034
            case QEMU_OPTION_hda:
3035
                {
3036
                    char buf[256];
3037
                    if (cyls == 0)
3038
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3039
                    else
3040
                        snprintf(buf, sizeof(buf),
3041
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
3042
                                 HD_OPTS , cyls, heads, secs,
3043
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
3044
                                 ",trans=lba" :
3045
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
3046
                                 ",trans=none" : "");
3047
                    drive_add(IF_DEFAULT, 0, optarg, buf);
3048
                    break;
3049
                }
3050
            case QEMU_OPTION_hdb:
3051
            case QEMU_OPTION_hdc:
3052
            case QEMU_OPTION_hdd:
3053
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3054
                          HD_OPTS);
3055
                break;
3056
            case QEMU_OPTION_drive:
3057
                if (drive_def(optarg) == NULL) {
3058
                    exit(1);
3059
                }
3060
                break;
3061
            case QEMU_OPTION_set:
3062
                if (qemu_set_option(optarg) != 0)
3063
                    exit(1);
3064
                break;
3065
            case QEMU_OPTION_global:
3066
                if (qemu_global_option(optarg) != 0)
3067
                    exit(1);
3068
                break;
3069
            case QEMU_OPTION_mtdblock:
3070
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3071
                break;
3072
            case QEMU_OPTION_sd:
3073
                drive_add(IF_SD, -1, optarg, SD_OPTS);
3074
                break;
3075
            case QEMU_OPTION_pflash:
3076
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3077
                break;
3078
            case QEMU_OPTION_snapshot:
3079
                snapshot = 1;
3080
                break;
3081
            case QEMU_OPTION_hdachs:
3082
                {
3083
                    const char *p;
3084
                    p = optarg;
3085
                    cyls = strtol(p, (char **)&p, 0);
3086
                    if (cyls < 1 || cyls > 16383)
3087
                        goto chs_fail;
3088
                    if (*p != ',')
3089
                        goto chs_fail;
3090
                    p++;
3091
                    heads = strtol(p, (char **)&p, 0);
3092
                    if (heads < 1 || heads > 16)
3093
                        goto chs_fail;
3094
                    if (*p != ',')
3095
                        goto chs_fail;
3096
                    p++;
3097
                    secs = strtol(p, (char **)&p, 0);
3098
                    if (secs < 1 || secs > 63)
3099
                        goto chs_fail;
3100
                    if (*p == ',') {
3101
                        p++;
3102
                        if (!strcmp(p, "none"))
3103
                            translation = BIOS_ATA_TRANSLATION_NONE;
3104
                        else if (!strcmp(p, "lba"))
3105
                            translation = BIOS_ATA_TRANSLATION_LBA;
3106
                        else if (!strcmp(p, "auto"))
3107
                            translation = BIOS_ATA_TRANSLATION_AUTO;
3108
                        else
3109
                            goto chs_fail;
3110
                    } else if (*p != '\0') {
3111
                    chs_fail:
3112
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3113
                        exit(1);
3114
                    }
3115
                    if (hda_opts != NULL) {
3116
                        char num[16];
3117
                        snprintf(num, sizeof(num), "%d", cyls);
3118
                        qemu_opt_set(hda_opts, "cyls", num);
3119
                        snprintf(num, sizeof(num), "%d", heads);
3120
                        qemu_opt_set(hda_opts, "heads", num);
3121
                        snprintf(num, sizeof(num), "%d", secs);
3122
                        qemu_opt_set(hda_opts, "secs", num);
3123
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
3124
                            qemu_opt_set(hda_opts, "trans", "lba");
3125
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
3126
                            qemu_opt_set(hda_opts, "trans", "none");
3127
                    }
3128
                }
3129
                break;
3130
            case QEMU_OPTION_numa:
3131
                numa_add(optarg);
3132
                break;
3133
            case QEMU_OPTION_display:
3134
                display_type = select_display(optarg);
3135
                break;
3136
            case QEMU_OPTION_nographic:
3137
                display_type = DT_NOGRAPHIC;
3138
                break;
3139
            case QEMU_OPTION_curses:
3140
#ifdef CONFIG_CURSES
3141
                display_type = DT_CURSES;
3142
#else
3143
                fprintf(stderr, "Curses support is disabled\n");
3144
                exit(1);
3145
#endif
3146
                break;
3147
            case QEMU_OPTION_portrait:
3148
                graphic_rotate = 90;
3149
                break;
3150
            case QEMU_OPTION_rotate:
3151
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3152
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
3153
                    graphic_rotate != 180 && graphic_rotate != 270) {
3154
                    fprintf(stderr,
3155
                        "qemu: only 90, 180, 270 deg rotation is available\n");
3156
                    exit(1);
3157
                }
3158
                break;
3159
            case QEMU_OPTION_kernel:
3160
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3161
                break;
3162
            case QEMU_OPTION_initrd:
3163
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3164
                break;
3165
            case QEMU_OPTION_append:
3166
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3167
                break;
3168
            case QEMU_OPTION_dtb:
3169
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3170
                break;
3171
            case QEMU_OPTION_cdrom:
3172
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3173
                break;
3174
            case QEMU_OPTION_boot:
3175
                opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3176
                if (!opts) {
3177
                    exit(1);
3178
                }
3179
                break;
3180
            case QEMU_OPTION_fda:
3181
            case QEMU_OPTION_fdb:
3182
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3183
                          optarg, FD_OPTS);
3184
                break;
3185
            case QEMU_OPTION_no_fd_bootchk:
3186
                fd_bootchk = 0;
3187
                break;
3188
            case QEMU_OPTION_netdev:
3189
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3190
                    exit(1);
3191
                }
3192
                break;
3193
            case QEMU_OPTION_net:
3194
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3195
                    exit(1);
3196
                }
3197
                break;
3198
#ifdef CONFIG_LIBISCSI
3199
            case QEMU_OPTION_iscsi:
3200
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3201
                if (!opts) {
3202
                    exit(1);
3203
                }
3204
                break;
3205
#endif
3206
#ifdef CONFIG_SLIRP
3207
            case QEMU_OPTION_tftp:
3208
                legacy_tftp_prefix = optarg;
3209
                break;
3210
            case QEMU_OPTION_bootp:
3211
                legacy_bootp_filename = optarg;
3212
                break;
3213
            case QEMU_OPTION_redir:
3214
                if (net_slirp_redir(optarg) < 0)
3215
                    exit(1);
3216
                break;
3217
#endif
3218
            case QEMU_OPTION_bt:
3219
                add_device_config(DEV_BT, optarg);
3220
                break;
3221
            case QEMU_OPTION_audio_help:
3222
                AUD_help ();
3223
                exit (0);
3224
                break;
3225
            case QEMU_OPTION_soundhw:
3226
                select_soundhw (optarg);
3227
                break;
3228
            case QEMU_OPTION_h:
3229
                help(0);
3230
                break;
3231
            case QEMU_OPTION_version:
3232
                version();
3233
                exit(0);
3234
                break;
3235
            case QEMU_OPTION_m: {
3236
                int64_t value;
3237
                uint64_t sz;
3238
                char *end;
3239

    
3240
                value = strtosz(optarg, &end);
3241
                if (value < 0 || *end) {
3242
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3243
                    exit(1);
3244
                }
3245
                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3246
                ram_size = sz;
3247
                if (ram_size != sz) {
3248
                    fprintf(stderr, "qemu: ram size too large\n");
3249
                    exit(1);
3250
                }
3251
                break;
3252
            }
3253
#ifdef CONFIG_TPM
3254
            case QEMU_OPTION_tpmdev:
3255
                if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3256
                    exit(1);
3257
                }
3258
                break;
3259
#endif
3260
            case QEMU_OPTION_mempath:
3261
                mem_path = optarg;
3262
                break;
3263
#ifdef MAP_POPULATE
3264
            case QEMU_OPTION_mem_prealloc:
3265
                mem_prealloc = 1;
3266
                break;
3267
#endif
3268
            case QEMU_OPTION_d:
3269
                log_mask = optarg;
3270
                break;
3271
            case QEMU_OPTION_D:
3272
                log_file = optarg;
3273
                break;
3274
            case QEMU_OPTION_s:
3275
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3276
                break;
3277
            case QEMU_OPTION_gdb:
3278
                add_device_config(DEV_GDB, optarg);
3279
                break;
3280
            case QEMU_OPTION_L:
3281
                if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3282
                    data_dir[data_dir_idx++] = optarg;
3283
                }
3284
                break;
3285
            case QEMU_OPTION_bios:
3286
                bios_name = optarg;
3287
                break;
3288
            case QEMU_OPTION_singlestep:
3289
                singlestep = 1;
3290
                break;
3291
            case QEMU_OPTION_S:
3292
                autostart = 0;
3293
                break;
3294
            case QEMU_OPTION_k:
3295
                keyboard_layout = optarg;
3296
                break;
3297
            case QEMU_OPTION_localtime:
3298
                rtc_utc = 0;
3299
                break;
3300
            case QEMU_OPTION_vga:
3301
                vga_model = optarg;
3302
                default_vga = 0;
3303
                break;
3304
            case QEMU_OPTION_g:
3305
                {
3306
                    const char *p;
3307
                    int w, h, depth;
3308
                    p = optarg;
3309
                    w = strtol(p, (char **)&p, 10);
3310
                    if (w <= 0) {
3311
                    graphic_error:
3312
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3313
                        exit(1);
3314
                    }
3315
                    if (*p != 'x')
3316
                        goto graphic_error;
3317
                    p++;
3318
                    h = strtol(p, (char **)&p, 10);
3319
                    if (h <= 0)
3320
                        goto graphic_error;
3321
                    if (*p == 'x') {
3322
                        p++;
3323
                        depth = strtol(p, (char **)&p, 10);
3324
                        if (depth != 8 && depth != 15 && depth != 16 &&
3325
                            depth != 24 && depth != 32)
3326
                            goto graphic_error;
3327
                    } else if (*p == '\0') {
3328
                        depth = graphic_depth;
3329
                    } else {
3330
                        goto graphic_error;
3331
                    }
3332

    
3333
                    graphic_width = w;
3334
                    graphic_height = h;
3335
                    graphic_depth = depth;
3336
                }
3337
                break;
3338
            case QEMU_OPTION_echr:
3339
                {
3340
                    char *r;
3341
                    term_escape_char = strtol(optarg, &r, 0);
3342
                    if (r == optarg)
3343
                        printf("Bad argument to echr\n");
3344
                    break;
3345
                }
3346
            case QEMU_OPTION_monitor:
3347
                default_monitor = 0;
3348
                if (strncmp(optarg, "none", 4)) {
3349
                    monitor_parse(optarg, "readline");
3350
                }
3351
                break;
3352
            case QEMU_OPTION_qmp:
3353
                monitor_parse(optarg, "control");
3354
                default_monitor = 0;
3355
                break;
3356
            case QEMU_OPTION_mon:
3357
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3358
                if (!opts) {
3359
                    exit(1);
3360
                }
3361
                default_monitor = 0;
3362
                break;
3363
            case QEMU_OPTION_chardev:
3364
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3365
                if (!opts) {
3366
                    exit(1);
3367
                }
3368
                break;
3369
            case QEMU_OPTION_fsdev:
3370
                olist = qemu_find_opts("fsdev");
3371
                if (!olist) {
3372
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3373
                    exit(1);
3374
                }
3375
                opts = qemu_opts_parse(olist, optarg, 1);
3376
                if (!opts) {
3377
                    exit(1);
3378
                }
3379
                break;
3380
            case QEMU_OPTION_virtfs: {
3381
                QemuOpts *fsdev;
3382
                QemuOpts *device;
3383
                const char *writeout, *sock_fd, *socket;
3384

    
3385
                olist = qemu_find_opts("virtfs");
3386
                if (!olist) {
3387
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3388
                    exit(1);
3389
                }
3390
                opts = qemu_opts_parse(olist, optarg, 1);
3391
                if (!opts) {
3392
                    exit(1);
3393
                }
3394

    
3395
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
3396
                    qemu_opt_get(opts, "mount_tag") == NULL) {
3397
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3398
                    exit(1);
3399
                }
3400
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3401
                                         qemu_opt_get(opts, "mount_tag"),
3402
                                         1, NULL);
3403
                if (!fsdev) {
3404
                    fprintf(stderr, "duplicate fsdev id: %s\n",
3405
                            qemu_opt_get(opts, "mount_tag"));
3406
                    exit(1);
3407
                }
3408

    
3409
                writeout = qemu_opt_get(opts, "writeout");
3410
                if (writeout) {
3411
#ifdef CONFIG_SYNC_FILE_RANGE
3412
                    qemu_opt_set(fsdev, "writeout", writeout);
3413
#else
3414
                    fprintf(stderr, "writeout=immediate not supported on "
3415
                            "this platform\n");
3416
                    exit(1);
3417
#endif
3418
                }
3419
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3420
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3421
                qemu_opt_set(fsdev, "security_model",
3422
                             qemu_opt_get(opts, "security_model"));
3423
                socket = qemu_opt_get(opts, "socket");
3424
                if (socket) {
3425
                    qemu_opt_set(fsdev, "socket", socket);
3426
                }
3427
                sock_fd = qemu_opt_get(opts, "sock_fd");
3428
                if (sock_fd) {
3429
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
3430
                }
3431

    
3432
                qemu_opt_set_bool(fsdev, "readonly",
3433
                                qemu_opt_get_bool(opts, "readonly", 0));
3434
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3435
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3436
                qemu_opt_set(device, "fsdev",
3437
                             qemu_opt_get(opts, "mount_tag"));
3438
                qemu_opt_set(device, "mount_tag",
3439
                             qemu_opt_get(opts, "mount_tag"));
3440
                break;
3441
            }
3442
            case QEMU_OPTION_virtfs_synth: {
3443
                QemuOpts *fsdev;
3444
                QemuOpts *device;
3445

    
3446
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3447
                                         1, NULL);
3448
                if (!fsdev) {
3449
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3450
                    exit(1);
3451
                }
3452
                qemu_opt_set(fsdev, "fsdriver", "synth");
3453

    
3454
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3455
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3456
                qemu_opt_set(device, "fsdev", "v_synth");
3457
                qemu_opt_set(device, "mount_tag", "v_synth");
3458
                break;
3459
            }
3460
            case QEMU_OPTION_serial:
3461
                add_device_config(DEV_SERIAL, optarg);
3462
                default_serial = 0;
3463
                if (strncmp(optarg, "mon:", 4) == 0) {
3464
                    default_monitor = 0;
3465
                }
3466
                break;
3467
            case QEMU_OPTION_watchdog:
3468
                if (watchdog) {
3469
                    fprintf(stderr,
3470
                            "qemu: only one watchdog option may be given\n");
3471
                    return 1;
3472
                }
3473
                watchdog = optarg;
3474
                break;
3475
            case QEMU_OPTION_watchdog_action:
3476
                if (select_watchdog_action(optarg) == -1) {
3477
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3478
                    exit(1);
3479
                }
3480
                break;
3481
            case QEMU_OPTION_virtiocon:
3482
                add_device_config(DEV_VIRTCON, optarg);
3483
                default_virtcon = 0;
3484
                if (strncmp(optarg, "mon:", 4) == 0) {
3485
                    default_monitor = 0;
3486
                }
3487
                break;
3488
            case QEMU_OPTION_parallel:
3489
                add_device_config(DEV_PARALLEL, optarg);
3490
                default_parallel = 0;
3491
                if (strncmp(optarg, "mon:", 4) == 0) {
3492
                    default_monitor = 0;
3493
                }
3494
                break;
3495
            case QEMU_OPTION_debugcon:
3496
                add_device_config(DEV_DEBUGCON, optarg);
3497
                break;
3498
            case QEMU_OPTION_loadvm:
3499
                loadvm = optarg;
3500
                break;
3501
            case QEMU_OPTION_full_screen:
3502
                full_screen = 1;
3503
                break;
3504
            case QEMU_OPTION_no_frame:
3505
                no_frame = 1;
3506
                break;
3507
            case QEMU_OPTION_alt_grab:
3508
                alt_grab = 1;
3509
                break;
3510
            case QEMU_OPTION_ctrl_grab:
3511
                ctrl_grab = 1;
3512
                break;
3513
            case QEMU_OPTION_no_quit:
3514
                no_quit = 1;
3515
                break;
3516
            case QEMU_OPTION_sdl:
3517
#ifdef CONFIG_SDL
3518
                display_type = DT_SDL;
3519
                break;
3520
#else
3521
                fprintf(stderr, "SDL support is disabled\n");
3522
                exit(1);
3523
#endif
3524
            case QEMU_OPTION_pidfile:
3525
                pid_file = optarg;
3526
                break;
3527
            case QEMU_OPTION_win2k_hack:
3528
                win2k_install_hack = 1;
3529
                break;
3530
            case QEMU_OPTION_rtc_td_hack: {
3531
                static GlobalProperty slew_lost_ticks[] = {
3532
                    {
3533
                        .driver   = "mc146818rtc",
3534
                        .property = "lost_tick_policy",
3535
                        .value    = "slew",
3536
                    },
3537
                    { /* end of list */ }
3538
                };
3539

    
3540
                qdev_prop_register_global_list(slew_lost_ticks);
3541
                break;
3542
            }
3543
            case QEMU_OPTION_acpitable:
3544
                opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3545
                g_assert(opts != NULL);
3546
                do_acpitable_option(opts);
3547
                break;
3548
            case QEMU_OPTION_smbios:
3549
                do_smbios_option(optarg);
3550
                break;
3551
            case QEMU_OPTION_enable_kvm:
3552
                olist = qemu_find_opts("machine");
3553
                qemu_opts_parse(olist, "accel=kvm", 0);
3554
                break;
3555
            case QEMU_OPTION_machine:
3556
                olist = qemu_find_opts("machine");
3557
                opts = qemu_opts_parse(olist, optarg, 1);
3558
                if (!opts) {
3559
                    exit(1);
3560
                }
3561
                optarg = qemu_opt_get(opts, "type");
3562
                if (optarg) {
3563
                    machine = machine_parse(optarg);
3564
                }
3565
                break;
3566
             case QEMU_OPTION_no_kvm:
3567
                olist = qemu_find_opts("machine");
3568
                qemu_opts_parse(olist, "accel=tcg", 0);
3569
                break;
3570
            case QEMU_OPTION_no_kvm_pit: {
3571
                fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3572
                                "separately.\n");
3573
                break;
3574
            }
3575
            case QEMU_OPTION_no_kvm_pit_reinjection: {
3576
                static GlobalProperty kvm_pit_lost_tick_policy[] = {
3577
                    {
3578
                        .driver   = "kvm-pit",
3579
                        .property = "lost_tick_policy",
3580
                        .value    = "discard",
3581
                    },
3582
                    { /* end of list */ }
3583
                };
3584

    
3585
                fprintf(stderr, "Warning: option deprecated, use "
3586
                        "lost_tick_policy property of kvm-pit instead.\n");
3587
                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3588
                break;
3589
            }
3590
            case QEMU_OPTION_usb:
3591
                olist = qemu_find_opts("machine");
3592
                qemu_opts_parse(olist, "usb=on", 0);
3593
                break;
3594
            case QEMU_OPTION_usbdevice:
3595
                olist = qemu_find_opts("machine");
3596
                qemu_opts_parse(olist, "usb=on", 0);
3597
                add_device_config(DEV_USB, optarg);
3598
                break;
3599
            case QEMU_OPTION_device:
3600
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3601
                    exit(1);
3602
                }
3603
                break;
3604
            case QEMU_OPTION_smp:
3605
                if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3606
                    exit(1);
3607
                }
3608
                break;
3609
            case QEMU_OPTION_vnc:
3610
#ifdef CONFIG_VNC
3611
                display_remote++;
3612
                vnc_display = optarg;
3613
#else
3614
                fprintf(stderr, "VNC support is disabled\n");
3615
                exit(1);
3616
#endif
3617
                break;
3618
            case QEMU_OPTION_no_acpi:
3619
                acpi_enabled = 0;
3620
                break;
3621
            case QEMU_OPTION_no_hpet:
3622
                no_hpet = 1;
3623
                break;
3624
            case QEMU_OPTION_balloon:
3625
                if (balloon_parse(optarg) < 0) {
3626
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3627
                    exit(1);
3628
                }
3629
                break;
3630
            case QEMU_OPTION_no_reboot:
3631
                no_reboot = 1;
3632
                break;
3633
            case QEMU_OPTION_no_shutdown:
3634
                no_shutdown = 1;
3635
                break;
3636
            case QEMU_OPTION_show_cursor:
3637
                cursor_hide = 0;
3638
                break;
3639
            case QEMU_OPTION_uuid:
3640
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3641
                    fprintf(stderr, "Fail to parse UUID string."
3642
                            " Wrong format.\n");
3643
                    exit(1);
3644
                }
3645
                break;
3646
            case QEMU_OPTION_option_rom:
3647
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3648
                    fprintf(stderr, "Too many option ROMs\n");
3649
                    exit(1);
3650
                }
3651
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3652
                if (!opts) {
3653
                    exit(1);
3654
                }
3655
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3656
                option_rom[nb_option_roms].bootindex =
3657
                    qemu_opt_get_number(opts, "bootindex", -1);
3658
                if (!option_rom[nb_option_roms].name) {
3659
                    fprintf(stderr, "Option ROM file is not specified\n");
3660
                    exit(1);
3661
                }
3662
                nb_option_roms++;
3663
                break;
3664
            case QEMU_OPTION_semihosting:
3665
                semihosting_enabled = 1;
3666
                break;
3667
            case QEMU_OPTION_tdf:
3668
                fprintf(stderr, "Warning: user space PIT time drift fix "
3669
                                "is no longer supported.\n");
3670
                break;
3671
            case QEMU_OPTION_name:
3672
                qemu_name = g_strdup(optarg);
3673
                 {
3674
                     char *p = strchr(qemu_name, ',');
3675
                     if (p != NULL) {
3676
                        *p++ = 0;
3677
                        if (strncmp(p, "process=", 8)) {
3678
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3679
                            exit(1);
3680
                        }
3681
                        p += 8;
3682
                        os_set_proc_name(p);
3683
                     }
3684
                 }
3685
                break;
3686
            case QEMU_OPTION_prom_env:
3687
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3688
                    fprintf(stderr, "Too many prom variables\n");
3689
                    exit(1);
3690
                }
3691
                prom_envs[nb_prom_envs] = optarg;
3692
                nb_prom_envs++;
3693
                break;
3694
            case QEMU_OPTION_old_param:
3695
                old_param = 1;
3696
                break;
3697
            case QEMU_OPTION_clock:
3698
                configure_alarms(optarg);
3699
                break;
3700
            case QEMU_OPTION_startdate:
3701
                configure_rtc_date_offset(optarg, 1);
3702
                break;
3703
            case QEMU_OPTION_rtc:
3704
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3705
                if (!opts) {
3706
                    exit(1);
3707
                }
3708
                configure_rtc(opts);
3709
                break;
3710
            case QEMU_OPTION_tb_size:
3711
                tcg_tb_size = strtol(optarg, NULL, 0);
3712
                if (tcg_tb_size < 0) {
3713
                    tcg_tb_size = 0;
3714
                }
3715
                break;
3716
            case QEMU_OPTION_icount:
3717
                icount_option = optarg;
3718
                break;
3719
            case QEMU_OPTION_incoming:
3720
                incoming = optarg;
3721
                runstate_set(RUN_STATE_INMIGRATE);
3722
                break;
3723
            case QEMU_OPTION_nodefaults:
3724
                default_serial = 0;
3725
                default_parallel = 0;
3726
                default_virtcon = 0;
3727
                default_sclp = 0;
3728
                default_monitor = 0;
3729
                default_net = 0;
3730
                default_floppy = 0;
3731
                default_cdrom = 0;
3732
                default_sdcard = 0;
3733
                default_vga = 0;
3734
                break;
3735
            case QEMU_OPTION_xen_domid:
3736
                if (!(xen_available())) {
3737
                    printf("Option %s not supported for this target\n", popt->name);
3738
                    exit(1);
3739
                }
3740
                xen_domid = atoi(optarg);
3741
                break;
3742
            case QEMU_OPTION_xen_create:
3743
                if (!(xen_available())) {
3744
                    printf("Option %s not supported for this target\n", popt->name);
3745
                    exit(1);
3746
                }
3747
                xen_mode = XEN_CREATE;
3748
                break;
3749
            case QEMU_OPTION_xen_attach:
3750
                if (!(xen_available())) {
3751
                    printf("Option %s not supported for this target\n", popt->name);
3752
                    exit(1);
3753
                }
3754
                xen_mode = XEN_ATTACH;
3755
                break;
3756
            case QEMU_OPTION_trace:
3757
            {
3758
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3759
                if (!opts) {
3760
                    exit(1);
3761
                }
3762
                trace_events = qemu_opt_get(opts, "events");
3763
                trace_file = qemu_opt_get(opts, "file");
3764
                break;
3765
            }
3766
            case QEMU_OPTION_readconfig:
3767
                {
3768
                    int ret = qemu_read_config_file(optarg);
3769
                    if (ret < 0) {
3770
                        fprintf(stderr, "read config %s: %s\n", optarg,
3771
                            strerror(-ret));
3772
                        exit(1);
3773
                    }
3774
                    break;
3775
                }
3776
            case QEMU_OPTION_spice:
3777
                olist = qemu_find_opts("spice");
3778
                if (!olist) {
3779
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3780
                    exit(1);
3781
                }
3782
                opts = qemu_opts_parse(olist, optarg, 0);
3783
                if (!opts) {
3784
                    exit(1);
3785
                }
3786
                display_remote++;
3787
                break;
3788
            case QEMU_OPTION_writeconfig:
3789
                {
3790
                    FILE *fp;
3791
                    if (strcmp(optarg, "-") == 0) {
3792
                        fp = stdout;
3793
                    } else {
3794
                        fp = fopen(optarg, "w");
3795
                        if (fp == NULL) {
3796
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3797
                            exit(1);
3798
                        }
3799
                    }
3800
                    qemu_config_write(fp);
3801
                    fclose(fp);
3802
                    break;
3803
                }
3804
            case QEMU_OPTION_qtest:
3805
                qtest_chrdev = optarg;
3806
                break;
3807
            case QEMU_OPTION_qtest_log:
3808
                qtest_log = optarg;
3809
                break;
3810
            case QEMU_OPTION_sandbox:
3811
                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3812
                if (!opts) {
3813
                    exit(1);
3814
                }
3815
                break;
3816
            case QEMU_OPTION_add_fd:
3817
#ifndef _WIN32
3818
                opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3819
                if (!opts) {
3820
                    exit(1);
3821
                }
3822
#else
3823
                error_report("File descriptor passing is disabled on this "
3824
                             "platform");
3825
                exit(1);
3826
#endif
3827
                break;
3828
            case QEMU_OPTION_object:
3829
                opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3830
                if (!opts) {
3831
                    exit(1);
3832
                }
3833
                break;
3834
            case QEMU_OPTION_realtime:
3835
                opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3836
                if (!opts) {
3837
                    exit(1);
3838
                }
3839
                configure_realtime(opts);
3840
                break;
3841
            default:
3842
                os_parse_cmd_args(popt->index, optarg);
3843
            }
3844
        }
3845
    }
3846
    loc_set_none();
3847

    
3848
    if (qemu_init_main_loop()) {
3849
        fprintf(stderr, "qemu_init_main_loop failed\n");
3850
        exit(1);
3851
    }
3852

    
3853
    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3854
        exit(1);
3855
    }
3856

    
3857
#ifndef _WIN32
3858
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3859
        exit(1);
3860
    }
3861

    
3862
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3863
        exit(1);
3864
    }
3865
#endif
3866

    
3867
    if (machine == NULL) {
3868
        fprintf(stderr, "No machine found.\n");
3869
        exit(1);
3870
    }
3871

    
3872
    if (machine->hw_version) {
3873
        qemu_set_version(machine->hw_version);
3874
    }
3875

    
3876
    if (qemu_opts_foreach(qemu_find_opts("object"),
3877
                          object_create, NULL, 0) != 0) {
3878
        exit(1);
3879
    }
3880

    
3881
    /* Init CPU def lists, based on config
3882
     * - Must be called after all the qemu_read_config_file() calls
3883
     * - Must be called before list_cpus()
3884
     * - Must be called before machine->init()
3885
     */
3886
    cpudef_init();
3887

    
3888
    if (cpu_model && is_help_option(cpu_model)) {
3889
        list_cpus(stdout, &fprintf, cpu_model);
3890
        exit(0);
3891
    }
3892

    
3893
    /* Open the logfile at this point, if necessary. We can't open the logfile
3894
     * when encountering either of the logging options (-d or -D) because the
3895
     * other one may be encountered later on the command line, changing the
3896
     * location or level of logging.
3897
     */
3898
    if (log_mask) {
3899
        int mask;
3900
        if (log_file) {
3901
            qemu_set_log_filename(log_file);
3902
        }
3903

    
3904
        mask = qemu_str_to_log_mask(log_mask);
3905
        if (!mask) {
3906
            qemu_print_log_usage(stdout);
3907
            exit(1);
3908
        }
3909
        qemu_set_log(mask);
3910
    }
3911

    
3912
    if (!trace_backend_init(trace_events, trace_file)) {
3913
        exit(1);
3914
    }
3915

    
3916
    /* If no data_dir is specified then try to find it relative to the
3917
       executable path.  */
3918
    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3919
        data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3920
        if (data_dir[data_dir_idx] != NULL) {
3921
            data_dir_idx++;
3922
        }
3923
    }
3924
    /* If all else fails use the install path specified when building. */
3925
    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3926
        data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3927
    }
3928

    
3929
    smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3930

    
3931
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3932
    if (smp_cpus > machine->max_cpus) {
3933
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3934
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3935
                machine->max_cpus);
3936
        exit(1);
3937
    }
3938

    
3939
    /*
3940
     * Get the default machine options from the machine if it is not already
3941
     * specified either by the configuration file or by the command line.
3942
     */
3943
    if (machine->default_machine_opts) {
3944
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3945
                               machine->default_machine_opts, 0);
3946
    }
3947

    
3948
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3949
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3950

    
3951
    if (machine->no_serial) {
3952
        default_serial = 0;
3953
    }
3954
    if (machine->no_parallel) {
3955
        default_parallel = 0;
3956
    }
3957
    if (!machine->use_virtcon) {
3958
        default_virtcon = 0;
3959
    }
3960
    if (!machine->use_sclp) {
3961
        default_sclp = 0;
3962
    }
3963
    if (machine->no_floppy) {
3964
        default_floppy = 0;
3965
    }
3966
    if (machine->no_cdrom) {
3967
        default_cdrom = 0;
3968
    }
3969
    if (machine->no_sdcard) {
3970
        default_sdcard = 0;
3971
    }
3972

    
3973
    if (is_daemonized()) {
3974
        /* According to documentation and historically, -nographic redirects
3975
         * serial port, parallel port and monitor to stdio, which does not work
3976
         * with -daemonize.  We can redirect these to null instead, but since
3977
         * -nographic is legacy, let's just error out.
3978
         * We disallow -nographic only if all other ports are not redirected
3979
         * explicitly, to not break existing legacy setups which uses
3980
         * -nographic _and_ redirects all ports explicitly - this is valid
3981
         * usage, -nographic is just a no-op in this case.
3982
         */
3983
        if (display_type == DT_NOGRAPHIC
3984
            && (default_parallel || default_serial
3985
                || default_monitor || default_virtcon)) {
3986
            fprintf(stderr, "-nographic can not be used with -daemonize\n");
3987
            exit(1);
3988
        }
3989
#ifdef CONFIG_CURSES
3990
        if (display_type == DT_CURSES) {
3991
            fprintf(stderr, "curses display can not be used with -daemonize\n");
3992
            exit(1);
3993
        }
3994
#endif
3995
    }
3996

    
3997
    if (display_type == DT_NOGRAPHIC) {
3998
        if (default_parallel)
3999
            add_device_config(DEV_PARALLEL, "null");
4000
        if (default_serial && default_monitor) {
4001
            add_device_config(DEV_SERIAL, "mon:stdio");
4002
        } else if (default_virtcon && default_monitor) {
4003
            add_device_config(DEV_VIRTCON, "mon:stdio");
4004
        } else if (default_sclp && default_monitor) {
4005
            add_device_config(DEV_SCLP, "mon:stdio");
4006
        } else {
4007
            if (default_serial)
4008
                add_device_config(DEV_SERIAL, "stdio");
4009
            if (default_virtcon)
4010
                add_device_config(DEV_VIRTCON, "stdio");
4011
            if (default_sclp) {
4012
                add_device_config(DEV_SCLP, "stdio");
4013
            }
4014
            if (default_monitor)
4015
                monitor_parse("stdio", "readline");
4016
        }
4017
    } else {
4018
        if (default_serial)
4019
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
4020
        if (default_parallel)
4021
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4022
        if (default_monitor)
4023
            monitor_parse("vc:80Cx24C", "readline");
4024
        if (default_virtcon)
4025
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4026
        if (default_sclp) {
4027
            add_device_config(DEV_SCLP, "vc:80Cx24C");
4028
        }
4029
    }
4030

    
4031
    if (display_type == DT_DEFAULT && !display_remote) {
4032
#if defined(CONFIG_GTK)
4033
        display_type = DT_GTK;
4034
#elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4035
        display_type = DT_SDL;
4036
#elif defined(CONFIG_VNC)
4037
        vnc_display = "localhost:0,to=99";
4038
        show_vnc_port = 1;
4039
#else
4040
        display_type = DT_NONE;
4041
#endif
4042
    }
4043

    
4044
    if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4045
        fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4046
                        "for SDL, ignoring option\n");
4047
    }
4048
    if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4049
        fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4050
                        "ignoring option\n");
4051
    }
4052

    
4053
#if defined(CONFIG_GTK)
4054
    if (display_type == DT_GTK) {
4055
        early_gtk_display_init();
4056
    }
4057
#endif
4058

    
4059
    socket_init();
4060

    
4061
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4062
        exit(1);
4063
#ifdef CONFIG_VIRTFS
4064
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4065
        exit(1);
4066
    }
4067
#endif
4068

    
4069
    os_daemonize();
4070

    
4071
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4072
        os_pidfile_error();
4073
        exit(1);
4074
    }
4075

    
4076
    /* init the memory */
4077
    if (ram_size == 0) {
4078
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4079
    }
4080

    
4081
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4082
        != 0) {
4083
        exit(0);
4084
    }
4085

    
4086
    configure_accelerator();
4087

    
4088
    if (!qtest_enabled() && qtest_chrdev) {
4089
        qtest_init();
4090
    }
4091

    
4092
    machine_opts = qemu_get_machine_opts();
4093
    kernel_filename = qemu_opt_get(machine_opts, "kernel");
4094
    initrd_filename = qemu_opt_get(machine_opts, "initrd");
4095
    kernel_cmdline = qemu_opt_get(machine_opts, "append");
4096

    
4097
    if (!boot_order) {
4098
        boot_order = machine->boot_order;
4099
    }
4100
    opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4101
    if (opts) {
4102
        char *normal_boot_order;
4103
        const char *order, *once;
4104

    
4105
        order = qemu_opt_get(opts, "order");
4106
        if (order) {
4107
            validate_bootdevices(order);
4108
            boot_order = order;
4109
        }
4110

    
4111
        once = qemu_opt_get(opts, "once");
4112
        if (once) {
4113
            validate_bootdevices(once);
4114
            normal_boot_order = g_strdup(boot_order);
4115
            boot_order = once;
4116
            qemu_register_reset(restore_boot_order, normal_boot_order);
4117
        }
4118

    
4119
        boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4120
    }
4121

    
4122
    if (!kernel_cmdline) {
4123
        kernel_cmdline = "";
4124
    }
4125

    
4126
    linux_boot = (kernel_filename != NULL);
4127

    
4128
    if (!linux_boot && *kernel_cmdline != '\0') {
4129
        fprintf(stderr, "-append only allowed with -kernel option\n");
4130
        exit(1);
4131
    }
4132

    
4133
    if (!linux_boot && initrd_filename != NULL) {
4134
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
4135
        exit(1);
4136
    }
4137

    
4138
    if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4139
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
4140
        exit(1);
4141
    }
4142

    
4143
    os_set_line_buffering();
4144

    
4145
    qemu_init_cpu_loop();
4146
    qemu_mutex_lock_iothread();
4147

    
4148
#ifdef CONFIG_SPICE
4149
    /* spice needs the timers to be initialized by this point */
4150
    qemu_spice_init();
4151
#endif
4152

    
4153
    if (icount_option && (kvm_enabled() || xen_enabled())) {
4154
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4155
        exit(1);
4156
    }
4157
    configure_icount(icount_option);
4158

    
4159
    /* clean up network at qemu process termination */
4160
    atexit(&net_cleanup);
4161

    
4162
    if (net_init_clients() < 0) {
4163
        exit(1);
4164
    }
4165

    
4166
#ifdef CONFIG_TPM
4167
    if (tpm_init() < 0) {
4168
        exit(1);
4169
    }
4170
#endif
4171

    
4172
    /* init the bluetooth world */
4173
    if (foreach_device_config(DEV_BT, bt_parse))
4174
        exit(1);
4175

    
4176
    if (!xen_enabled()) {
4177
        /* On 32-bit hosts, QEMU is limited by virtual address space */
4178
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4179
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4180
            exit(1);
4181
        }
4182
    }
4183

    
4184
    cpu_exec_init_all();
4185

    
4186
    blk_mig_init();
4187

    
4188
    /* open the virtual block devices */
4189
    if (snapshot)
4190
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4191
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4192
                          &machine->block_default_type, 1) != 0) {
4193
        exit(1);
4194
    }
4195

    
4196
    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4197
                  CDROM_OPTS);
4198
    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4199
    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4200

    
4201
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4202

    
4203
    if (nb_numa_nodes > 0) {
4204
        int i;
4205

    
4206
        if (nb_numa_nodes > MAX_NODES) {
4207
            nb_numa_nodes = MAX_NODES;
4208
        }
4209

    
4210
        /* If no memory size if given for any node, assume the default case
4211
         * and distribute the available memory equally across all nodes
4212
         */
4213
        for (i = 0; i < nb_numa_nodes; i++) {
4214
            if (node_mem[i] != 0)
4215
                break;
4216
        }
4217
        if (i == nb_numa_nodes) {
4218
            uint64_t usedmem = 0;
4219

    
4220
            /* On Linux, the each node's border has to be 8MB aligned,
4221
             * the final node gets the rest.
4222
             */
4223
            for (i = 0; i < nb_numa_nodes - 1; i++) {
4224
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4225
                usedmem += node_mem[i];
4226
            }
4227
            node_mem[i] = ram_size - usedmem;
4228
        }
4229

    
4230
        for (i = 0; i < nb_numa_nodes; i++) {
4231
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4232
                break;
4233
            }
4234
        }
4235
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
4236
         * must cope with this anyway, because there are BIOSes out there in
4237
         * real machines which also use this scheme.
4238
         */
4239
        if (i == nb_numa_nodes) {
4240
            for (i = 0; i < max_cpus; i++) {
4241
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
4242
            }
4243
        }
4244
    }
4245

    
4246
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4247
        exit(1);
4248
    }
4249

    
4250
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4251
        exit(1);
4252
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4253
        exit(1);
4254
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4255
        exit(1);
4256
    if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4257
        exit(1);
4258
    }
4259
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4260
        exit(1);
4261

    
4262
    /* If no default VGA is requested, the default is "none".  */
4263
    if (default_vga) {
4264
        if (cirrus_vga_available()) {
4265
            vga_model = "cirrus";
4266
        } else if (vga_available()) {
4267
            vga_model = "std";
4268
        }
4269
    }
4270
    select_vgahw(vga_model);
4271

    
4272
    if (watchdog) {
4273
        i = select_watchdog(watchdog);
4274
        if (i > 0)
4275
            exit (i == 1 ? 1 : 0);
4276
    }
4277

    
4278
    if (machine->compat_props) {
4279
        qdev_prop_register_global_list(machine->compat_props);
4280
    }
4281
    qemu_add_globals();
4282

    
4283
    qdev_machine_init();
4284

    
4285
    QEMUMachineInitArgs args = { .ram_size = ram_size,
4286
                                 .boot_device = boot_order,
4287
                                 .kernel_filename = kernel_filename,
4288
                                 .kernel_cmdline = kernel_cmdline,
4289
                                 .initrd_filename = initrd_filename,
4290
                                 .cpu_model = cpu_model };
4291
    machine->init(&args);
4292

    
4293
    audio_init();
4294

    
4295
    cpu_synchronize_all_post_init();
4296

    
4297
    set_numa_modes();
4298

    
4299
    current_machine = machine;
4300

    
4301
    /* init USB devices */
4302
    if (usb_enabled(false)) {
4303
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
4304
            exit(1);
4305
    }
4306

    
4307
    /* init generic devices */
4308
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4309
        exit(1);
4310

    
4311
    net_check_clients();
4312

    
4313
    ds = init_displaystate();
4314

    
4315
    /* init local displays */
4316
    switch (display_type) {
4317
    case DT_NOGRAPHIC:
4318
        break;
4319
#if defined(CONFIG_CURSES)
4320
    case DT_CURSES:
4321
        curses_display_init(ds, full_screen);
4322
        break;
4323
#endif
4324
#if defined(CONFIG_SDL)
4325
    case DT_SDL:
4326
        sdl_display_init(ds, full_screen, no_frame);
4327
        break;
4328
#elif defined(CONFIG_COCOA)
4329
    case DT_SDL:
4330
        cocoa_display_init(ds, full_screen);
4331
        break;
4332
#endif
4333
#if defined(CONFIG_GTK)
4334
    case DT_GTK:
4335
        gtk_display_init(ds, full_screen);
4336
        break;
4337
#endif
4338
    default:
4339
        break;
4340
    }
4341

    
4342
    /* must be after terminal init, SDL library changes signal handlers */
4343
    os_setup_signal_handling();
4344

    
4345
#ifdef CONFIG_VNC
4346
    /* init remote displays */
4347
    if (vnc_display) {
4348
        Error *local_err = NULL;
4349
        vnc_display_init(ds);
4350
        vnc_display_open(ds, vnc_display, &local_err);
4351
        if (local_err != NULL) {
4352
            fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4353
                    vnc_display, error_get_pretty(local_err));
4354
            error_free(local_err);
4355
            exit(1);
4356
        }
4357

    
4358
        if (show_vnc_port) {
4359
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4360
        }
4361
    }
4362
#endif
4363
#ifdef CONFIG_SPICE
4364
    if (using_spice && !qxl_enabled) {
4365
        qemu_spice_display_init(ds);
4366
    }
4367
#endif
4368

    
4369
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4370
        exit(1);
4371
    }
4372

    
4373
    qdev_machine_creation_done();
4374

    
4375
    if (rom_load_all() != 0) {
4376
        fprintf(stderr, "rom loading failed\n");
4377
        exit(1);
4378
    }
4379

    
4380
    /* TODO: once all bus devices are qdevified, this should be done
4381
     * when bus is created by qdev.c */
4382
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4383
    qemu_run_machine_init_done_notifiers();
4384

    
4385
    qemu_system_reset(VMRESET_SILENT);
4386
    if (loadvm) {
4387
        if (load_vmstate(loadvm) < 0) {
4388
            autostart = 0;
4389
        }
4390
    }
4391

    
4392
    if (incoming) {
4393
        Error *local_err = NULL;
4394
        qemu_start_incoming_migration(incoming, &local_err);
4395
        if (local_err) {
4396
            fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4397
            error_free(local_err);
4398
            exit(1);
4399
        }
4400
    } else if (autostart) {
4401
        vm_start();
4402
    }
4403

    
4404
    os_setup_post();
4405

    
4406
    main_loop();
4407
    bdrv_close_all();
4408
    pause_all_vcpus();
4409
    res_free();
4410
#ifdef CONFIG_TPM
4411
    tpm_cleanup();
4412
#endif
4413

    
4414
    return 0;
4415
}