?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging
[qemu/qmp-unstable.git] / vl.c
blobeba5d4c99b42b74f4bdcc7b47f916d5275daae30
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
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_trace_opts = {
268 .name = "trace",
269 .implied_opt_name = "trace",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
271 .desc = {
272 {
273 .name = "events",
274 .type = QEMU_OPT_STRING,
275 },{
276 .name = "file",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_option_rom_opts = {
284 .name = "option-rom",
285 .implied_opt_name = "romfile",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
287 .desc = {
288 {
289 .name = "bootindex",
290 .type = QEMU_OPT_NUMBER,
291 }, {
292 .name = "romfile",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_machine_opts = {
300 .name = "machine",
301 .implied_opt_name = "type",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
304 .desc = {
305 /*
306 * no elements => accept any
307 * sanity checking will happen later
308 * when setting machine properties
309 */
310 { }
311 },
312 };
313
314 static QemuOptsList qemu_boot_opts = {
315 .name = "boot-opts",
316 .implied_opt_name = "order",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
319 .desc = {
320 {
321 .name = "order",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "once",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "menu",
328 .type = QEMU_OPT_BOOL,
329 }, {
330 .name = "splash",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "splash-time",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "reboot-timeout",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "strict",
340 .type = QEMU_OPT_BOOL,
341 },
342 { /*End of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_add_fd_opts = {
347 .name = "add-fd",
348 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
349 .desc = {
350 {
351 .name = "fd",
352 .type = QEMU_OPT_NUMBER,
353 .help = "file descriptor of which a duplicate is added to fd set",
354 },{
355 .name = "set",
356 .type = QEMU_OPT_NUMBER,
357 .help = "ID of the fd set to add fd to",
358 },{
359 .name = "opaque",
360 .type = QEMU_OPT_STRING,
361 .help = "free-form string used to describe fd",
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_object_opts = {
368 .name = "object",
369 .implied_opt_name = "qom-type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
371 .desc = {
372 { }
373 },
374 };
375
376 static QemuOptsList qemu_tpmdev_opts = {
377 .name = "tpmdev",
378 .implied_opt_name = "type",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
380 .desc = {
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_realtime_opts = {
387 .name = "realtime",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
389 .desc = {
390 {
391 .name = "mlock",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_msg_opts = {
399 .name = "msg",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
401 .desc = {
402 {
403 .name = "timestamp",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_name_opts = {
411 .name = "name",
412 .implied_opt_name = "guest",
413 .merge_lists = true,
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
415 .desc = {
416 {
417 .name = "guest",
418 .type = QEMU_OPT_STRING,
419 .help = "Sets the name of the guest.\n"
420 "This name will be displayed in the SDL window caption.\n"
421 "The name will also be used for the VNC server",
422 }, {
423 .name = "process",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the QEMU process, as shown in top etc",
426 }, {
427 .name = "debug-threads",
428 .type = QEMU_OPT_BOOL,
429 .help = "When enabled, name the individual threads; defaults off.\n"
430 "NOTE: The thread names are for debugging and not a\n"
431 "stable API.",
432 },
433 { /* End of list */ }
434 },
435 };
436
437 static QemuOptsList qemu_mem_opts = {
438 .name = "memory",
439 .implied_opt_name = "size",
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
441 .merge_lists = true,
442 .desc = {
443 {
444 .name = "size",
445 .type = QEMU_OPT_SIZE,
446 },
447 {
448 .name = "slots",
449 .type = QEMU_OPT_NUMBER,
450 },
451 {
452 .name = "maxmem",
453 .type = QEMU_OPT_SIZE,
454 },
455 { /* end of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_icount_opts = {
460 .name = "icount",
461 .implied_opt_name = "shift",
462 .merge_lists = true,
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
464 .desc = {
465 {
466 .name = "shift",
467 .type = QEMU_OPT_STRING,
468 }, {
469 .name = "align",
470 .type = QEMU_OPT_BOOL,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_semihosting_config_opts = {
477 .name = "semihosting-config",
478 .implied_opt_name = "enable",
479 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
480 .desc = {
481 {
482 .name = "enable",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "target",
486 .type = QEMU_OPT_STRING,
487 },
488 { /* end of list */ }
489 },
490 };
491
492 /**
493 * Get machine options
494 *
495 * Returns: machine options (never null).
496 */
497 QemuOpts *qemu_get_machine_opts(void)
498 {
499 return qemu_find_opts_singleton("machine");
500 }
501
502 const char *qemu_get_vm_name(void)
503 {
504 return qemu_name;
505 }
506
507 static void res_free(void)
508 {
509 if (boot_splash_filedata != NULL) {
510 g_free(boot_splash_filedata);
511 boot_splash_filedata = NULL;
512 }
513 }
514
515 static int default_driver_check(QemuOpts *opts, void *opaque)
516 {
517 const char *driver = qemu_opt_get(opts, "driver");
518 int i;
519
520 if (!driver)
521 return 0;
522 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
523 if (strcmp(default_list[i].driver, driver) != 0)
524 continue;
525 *(default_list[i].flag) = 0;
526 }
527 return 0;
528 }
529
530 /***********************************************************/
531 /* QEMU state */
532
533 static RunState current_run_state = RUN_STATE_PRELAUNCH;
534
535 /* We use RUN_STATE_MAX but any invalid value will do */
536 static RunState vmstop_requested = RUN_STATE_MAX;
537 static QemuMutex vmstop_lock;
538
539 typedef struct {
540 RunState from;
541 RunState to;
542 } RunStateTransition;
543
544 static const RunStateTransition runstate_transitions_def[] = {
545 /* from -> to */
546 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
547 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
548
549 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
550 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
551
552 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
553 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
556 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
557
558 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
559 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
562 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
565 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
566 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
567
568 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
569 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
570
571 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
572
573 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
574 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
575 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
576 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
577 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
578 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
579 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
580 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
581 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
582 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
585
586 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
587 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
590 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
591 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
592 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
593
594 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
595 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
598 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_MAX, RUN_STATE_MAX },
601 };
602
603 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
604
605 bool runstate_check(RunState state)
606 {
607 return current_run_state == state;
608 }
609
610 static void runstate_init(void)
611 {
612 const RunStateTransition *p;
613
614 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
615 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
616 runstate_valid_transitions[p->from][p->to] = true;
617 }
618
619 qemu_mutex_init(&vmstop_lock);
620 }
621
622 /* This function will abort() on invalid state transitions */
623 void runstate_set(RunState new_state)
624 {
625 assert(new_state < RUN_STATE_MAX);
626
627 if (!runstate_valid_transitions[current_run_state][new_state]) {
628 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
629 RunState_lookup[current_run_state],
630 RunState_lookup[new_state]);
631 abort();
632 }
633 trace_runstate_set(new_state);
634 current_run_state = new_state;
635 }
636
637 int runstate_is_running(void)
638 {
639 return runstate_check(RUN_STATE_RUNNING);
640 }
641
642 bool runstate_needs_reset(void)
643 {
644 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
645 runstate_check(RUN_STATE_SHUTDOWN);
646 }
647
648 StatusInfo *qmp_query_status(Error **errp)
649 {
650 StatusInfo *info = g_malloc0(sizeof(*info));
651
652 info->running = runstate_is_running();
653 info->singlestep = singlestep;
654 info->status = current_run_state;
655
656 return info;
657 }
658
659 static bool qemu_vmstop_requested(RunState *r)
660 {
661 qemu_mutex_lock(&vmstop_lock);
662 *r = vmstop_requested;
663 vmstop_requested = RUN_STATE_MAX;
664 qemu_mutex_unlock(&vmstop_lock);
665 return *r < RUN_STATE_MAX;
666 }
667
668 void qemu_system_vmstop_request_prepare(void)
669 {
670 qemu_mutex_lock(&vmstop_lock);
671 }
672
673 void qemu_system_vmstop_request(RunState state)
674 {
675 vmstop_requested = state;
676 qemu_mutex_unlock(&vmstop_lock);
677 qemu_notify_event();
678 }
679
680 void vm_start(void)
681 {
682 RunState requested;
683
684 qemu_vmstop_requested(&requested);
685 if (runstate_is_running() && requested == RUN_STATE_MAX) {
686 return;
687 }
688
689 /* Ensure that a STOP/RESUME pair of events is emitted if a
690 * vmstop request was pending. The BLOCK_IO_ERROR event, for
691 * example, according to documentation is always followed by
692 * the STOP event.
693 */
694 if (runstate_is_running()) {
695 qapi_event_send_stop(&error_abort);
696 } else {
697 cpu_enable_ticks();
698 runstate_set(RUN_STATE_RUNNING);
699 vm_state_notify(1, RUN_STATE_RUNNING);
700 resume_all_vcpus();
701 }
702
703 qapi_event_send_resume(&error_abort);
704 }
705
706
707 /***********************************************************/
708 /* real time host monotonic timer */
709
710 static time_t qemu_time(void)
711 {
712 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
713 }
714
715 /***********************************************************/
716 /* host time/date access */
717 void qemu_get_timedate(struct tm *tm, int offset)
718 {
719 time_t ti = qemu_time();
720
721 ti += offset;
722 if (rtc_date_offset == -1) {
723 if (rtc_utc)
724 gmtime_r(&ti, tm);
725 else
726 localtime_r(&ti, tm);
727 } else {
728 ti -= rtc_date_offset;
729 gmtime_r(&ti, tm);
730 }
731 }
732
733 int qemu_timedate_diff(struct tm *tm)
734 {
735 time_t seconds;
736
737 if (rtc_date_offset == -1)
738 if (rtc_utc)
739 seconds = mktimegm(tm);
740 else {
741 struct tm tmp = *tm;
742 tmp.tm_isdst = -1; /* use timezone to figure it out */
743 seconds = mktime(&tmp);
744 }
745 else
746 seconds = mktimegm(tm) + rtc_date_offset;
747
748 return seconds - qemu_time();
749 }
750
751 static void configure_rtc_date_offset(const char *startdate, int legacy)
752 {
753 time_t rtc_start_date;
754 struct tm tm;
755
756 if (!strcmp(startdate, "now") && legacy) {
757 rtc_date_offset = -1;
758 } else {
759 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
760 &tm.tm_year,
761 &tm.tm_mon,
762 &tm.tm_mday,
763 &tm.tm_hour,
764 &tm.tm_min,
765 &tm.tm_sec) == 6) {
766 /* OK */
767 } else if (sscanf(startdate, "%d-%d-%d",
768 &tm.tm_year,
769 &tm.tm_mon,
770 &tm.tm_mday) == 3) {
771 tm.tm_hour = 0;
772 tm.tm_min = 0;
773 tm.tm_sec = 0;
774 } else {
775 goto date_fail;
776 }
777 tm.tm_year -= 1900;
778 tm.tm_mon--;
779 rtc_start_date = mktimegm(&tm);
780 if (rtc_start_date == -1) {
781 date_fail:
782 fprintf(stderr, "Invalid date format. Valid formats are:\n"
783 "'2006-06-17T16:01:21' or '2006-06-17'\n");
784 exit(1);
785 }
786 rtc_date_offset = qemu_time() - rtc_start_date;
787 }
788 }
789
790 static void configure_rtc(QemuOpts *opts)
791 {
792 const char *value;
793
794 value = qemu_opt_get(opts, "base");
795 if (value) {
796 if (!strcmp(value, "utc")) {
797 rtc_utc = 1;
798 } else if (!strcmp(value, "localtime")) {
799 rtc_utc = 0;
800 } else {
801 configure_rtc_date_offset(value, 0);
802 }
803 }
804 value = qemu_opt_get(opts, "clock");
805 if (value) {
806 if (!strcmp(value, "host")) {
807 rtc_clock = QEMU_CLOCK_HOST;
808 } else if (!strcmp(value, "rt")) {
809 rtc_clock = QEMU_CLOCK_REALTIME;
810 } else if (!strcmp(value, "vm")) {
811 rtc_clock = QEMU_CLOCK_VIRTUAL;
812 } else {
813 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
814 exit(1);
815 }
816 }
817 value = qemu_opt_get(opts, "driftfix");
818 if (value) {
819 if (!strcmp(value, "slew")) {
820 static GlobalProperty slew_lost_ticks[] = {
821 {
822 .driver = "mc146818rtc",
823 .property = "lost_tick_policy",
824 .value = "slew",
825 },
826 { /* end of list */ }
827 };
828
829 qdev_prop_register_global_list(slew_lost_ticks);
830 } else if (!strcmp(value, "none")) {
831 /* discard is default */
832 } else {
833 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
834 exit(1);
835 }
836 }
837 }
838
839 /***********************************************************/
840 /* Bluetooth support */
841 static int nb_hcis;
842 static int cur_hci;
843 static struct HCIInfo *hci_table[MAX_NICS];
844
845 struct HCIInfo *qemu_next_hci(void)
846 {
847 if (cur_hci == nb_hcis)
848 return &null_hci;
849
850 return hci_table[cur_hci++];
851 }
852
853 static int bt_hci_parse(const char *str)
854 {
855 struct HCIInfo *hci;
856 bdaddr_t bdaddr;
857
858 if (nb_hcis >= MAX_NICS) {
859 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
860 return -1;
861 }
862
863 hci = hci_init(str);
864 if (!hci)
865 return -1;
866
867 bdaddr.b[0] = 0x52;
868 bdaddr.b[1] = 0x54;
869 bdaddr.b[2] = 0x00;
870 bdaddr.b[3] = 0x12;
871 bdaddr.b[4] = 0x34;
872 bdaddr.b[5] = 0x56 + nb_hcis;
873 hci->bdaddr_set(hci, bdaddr.b);
874
875 hci_table[nb_hcis++] = hci;
876
877 return 0;
878 }
879
880 static void bt_vhci_add(int vlan_id)
881 {
882 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
883
884 if (!vlan->slave)
885 fprintf(stderr, "qemu: warning: adding a VHCI to "
886 "an empty scatternet %i\n", vlan_id);
887
888 bt_vhci_init(bt_new_hci(vlan));
889 }
890
891 static struct bt_device_s *bt_device_add(const char *opt)
892 {
893 struct bt_scatternet_s *vlan;
894 int vlan_id = 0;
895 char *endp = strstr(opt, ",vlan=");
896 int len = (endp ? endp - opt : strlen(opt)) + 1;
897 char devname[10];
898
899 pstrcpy(devname, MIN(sizeof(devname), len), opt);
900
901 if (endp) {
902 vlan_id = strtol(endp + 6, &endp, 0);
903 if (*endp) {
904 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
905 return 0;
906 }
907 }
908
909 vlan = qemu_find_bt_vlan(vlan_id);
910
911 if (!vlan->slave)
912 fprintf(stderr, "qemu: warning: adding a slave device to "
913 "an empty scatternet %i\n", vlan_id);
914
915 if (!strcmp(devname, "keyboard"))
916 return bt_keyboard_init(vlan);
917
918 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
919 return 0;
920 }
921
922 static int bt_parse(const char *opt)
923 {
924 const char *endp, *p;
925 int vlan;
926
927 if (strstart(opt, "hci", &endp)) {
928 if (!*endp || *endp == ',') {
929 if (*endp)
930 if (!strstart(endp, ",vlan=", 0))
931 opt = endp + 1;
932
933 return bt_hci_parse(opt);
934 }
935 } else if (strstart(opt, "vhci", &endp)) {
936 if (!*endp || *endp == ',') {
937 if (*endp) {
938 if (strstart(endp, ",vlan=", &p)) {
939 vlan = strtol(p, (char **) &endp, 0);
940 if (*endp) {
941 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
942 return 1;
943 }
944 } else {
945 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
946 return 1;
947 }
948 } else
949 vlan = 0;
950
951 bt_vhci_add(vlan);
952 return 0;
953 }
954 } else if (strstart(opt, "device:", &endp))
955 return !bt_device_add(endp);
956
957 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
958 return 1;
959 }
960
961 static int parse_sandbox(QemuOpts *opts, void *opaque)
962 {
963 /* FIXME: change this to true for 1.3 */
964 if (qemu_opt_get_bool(opts, "enable", false)) {
965 #ifdef CONFIG_SECCOMP
966 if (seccomp_start() < 0) {
967 qerror_report(ERROR_CLASS_GENERIC_ERROR,
968 "failed to install seccomp syscall filter in the kernel");
969 return -1;
970 }
971 #else
972 qerror_report(ERROR_CLASS_GENERIC_ERROR,
973 "sandboxing request but seccomp is not compiled into this build");
974 return -1;
975 #endif
976 }
977
978 return 0;
979 }
980
981 static int parse_name(QemuOpts *opts, void *opaque)
982 {
983 const char *proc_name;
984
985 if (qemu_opt_get(opts, "debug-threads")) {
986 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
987 }
988 qemu_name = qemu_opt_get(opts, "guest");
989
990 proc_name = qemu_opt_get(opts, "process");
991 if (proc_name) {
992 os_set_proc_name(proc_name);
993 }
994
995 return 0;
996 }
997
998 bool defaults_enabled(void)
999 {
1000 return has_defaults;
1001 }
1002
1003 bool usb_enabled(void)
1004 {
1005 return machine_usb(current_machine);
1006 }
1007
1008 #ifndef _WIN32
1009 static int parse_add_fd(QemuOpts *opts, void *opaque)
1010 {
1011 int fd, dupfd, flags;
1012 int64_t fdset_id;
1013 const char *fd_opaque = NULL;
1014
1015 fd = qemu_opt_get_number(opts, "fd", -1);
1016 fdset_id = qemu_opt_get_number(opts, "set", -1);
1017 fd_opaque = qemu_opt_get(opts, "opaque");
1018
1019 if (fd < 0) {
1020 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1021 "fd option is required and must be non-negative");
1022 return -1;
1023 }
1024
1025 if (fd <= STDERR_FILENO) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1027 "fd cannot be a standard I/O stream");
1028 return -1;
1029 }
1030
1031 /*
1032 * All fds inherited across exec() necessarily have FD_CLOEXEC
1033 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1034 */
1035 flags = fcntl(fd, F_GETFD);
1036 if (flags == -1 || (flags & FD_CLOEXEC)) {
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1038 "fd is not valid or already in use");
1039 return -1;
1040 }
1041
1042 if (fdset_id < 0) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "set option is required and must be non-negative");
1045 return -1;
1046 }
1047
1048 #ifdef F_DUPFD_CLOEXEC
1049 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1050 #else
1051 dupfd = dup(fd);
1052 if (dupfd != -1) {
1053 qemu_set_cloexec(dupfd);
1054 }
1055 #endif
1056 if (dupfd == -1) {
1057 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1058 "Error duplicating fd: %s", strerror(errno));
1059 return -1;
1060 }
1061
1062 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1063 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1064 fd_opaque, NULL);
1065
1066 return 0;
1067 }
1068
1069 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1070 {
1071 int fd;
1072
1073 fd = qemu_opt_get_number(opts, "fd", -1);
1074 close(fd);
1075
1076 return 0;
1077 }
1078 #endif
1079
1080 /***********************************************************/
1081 /* QEMU Block devices */
1082
1083 #define HD_OPTS "media=disk"
1084 #define CDROM_OPTS "media=cdrom"
1085 #define FD_OPTS ""
1086 #define PFLASH_OPTS ""
1087 #define MTD_OPTS ""
1088 #define SD_OPTS ""
1089
1090 static int drive_init_func(QemuOpts *opts, void *opaque)
1091 {
1092 BlockInterfaceType *block_default_type = opaque;
1093
1094 return drive_new(opts, *block_default_type) == NULL;
1095 }
1096
1097 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1098 {
1099 if (qemu_opt_get(opts, "snapshot") == NULL) {
1100 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1101 }
1102 return 0;
1103 }
1104
1105 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1106 int index, const char *optstr)
1107 {
1108 QemuOpts *opts;
1109 DriveInfo *dinfo;
1110
1111 if (!enable || drive_get_by_index(type, index)) {
1112 return;
1113 }
1114
1115 opts = drive_add(type, index, NULL, optstr);
1116 if (snapshot) {
1117 drive_enable_snapshot(opts, NULL);
1118 }
1119
1120 dinfo = drive_new(opts, type);
1121 if (!dinfo) {
1122 exit(1);
1123 }
1124 dinfo->is_default = true;
1125
1126 }
1127
1128 static QemuOptsList qemu_smp_opts = {
1129 .name = "smp-opts",
1130 .implied_opt_name = "cpus",
1131 .merge_lists = true,
1132 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1133 .desc = {
1134 {
1135 .name = "cpus",
1136 .type = QEMU_OPT_NUMBER,
1137 }, {
1138 .name = "sockets",
1139 .type = QEMU_OPT_NUMBER,
1140 }, {
1141 .name = "cores",
1142 .type = QEMU_OPT_NUMBER,
1143 }, {
1144 .name = "threads",
1145 .type = QEMU_OPT_NUMBER,
1146 }, {
1147 .name = "maxcpus",
1148 .type = QEMU_OPT_NUMBER,
1149 },
1150 { /*End of list */ }
1151 },
1152 };
1153
1154 static void smp_parse(QemuOpts *opts)
1155 {
1156 if (opts) {
1157
1158 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1159 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1160 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1161 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1162
1163 /* compute missing values, prefer sockets over cores over threads */
1164 if (cpus == 0 || sockets == 0) {
1165 sockets = sockets > 0 ? sockets : 1;
1166 cores = cores > 0 ? cores : 1;
1167 threads = threads > 0 ? threads : 1;
1168 if (cpus == 0) {
1169 cpus = cores * threads * sockets;
1170 }
1171 } else if (cores == 0) {
1172 threads = threads > 0 ? threads : 1;
1173 cores = cpus / (sockets * threads);
1174 } else if (threads == 0) {
1175 threads = cpus / (cores * sockets);
1176 } else if (sockets * cores * threads < cpus) {
1177 fprintf(stderr, "cpu topology: error: "
1178 "sockets (%u) * cores (%u) * threads (%u) < "
1179 "smp_cpus (%u)\n",
1180 sockets, cores, threads, cpus);
1181 exit(1);
1182 }
1183
1184 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1185
1186 smp_cpus = cpus;
1187 smp_cores = cores > 0 ? cores : 1;
1188 smp_threads = threads > 0 ? threads : 1;
1189
1190 }
1191
1192 if (max_cpus == 0) {
1193 max_cpus = smp_cpus;
1194 }
1195
1196 if (max_cpus > MAX_CPUMASK_BITS) {
1197 fprintf(stderr, "Unsupported number of maxcpus\n");
1198 exit(1);
1199 }
1200 if (max_cpus < smp_cpus) {
1201 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1202 exit(1);
1203 }
1204
1205 }
1206
1207 static void realtime_init(void)
1208 {
1209 if (enable_mlock) {
1210 if (os_mlock() < 0) {
1211 fprintf(stderr, "qemu: locking memory failed\n");
1212 exit(1);
1213 }
1214 }
1215 }
1216
1217
1218 static void configure_msg(QemuOpts *opts)
1219 {
1220 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1221 }
1222
1223 /***********************************************************/
1224 /* USB devices */
1225
1226 static int usb_device_add(const char *devname)
1227 {
1228 USBDevice *dev = NULL;
1229 #ifndef CONFIG_LINUX
1230 const char *p;
1231 #endif
1232
1233 if (!usb_enabled()) {
1234 return -1;
1235 }
1236
1237 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1238 dev = usbdevice_create(devname);
1239 if (dev)
1240 goto done;
1241
1242 /* the other ones */
1243 #ifndef CONFIG_LINUX
1244 /* only the linux version is qdev-ified, usb-bsd still needs this */
1245 if (strstart(devname, "host:", &p)) {
1246 dev = usb_host_device_open(usb_bus_find(-1), p);
1247 }
1248 #endif
1249 if (!dev)
1250 return -1;
1251
1252 done:
1253 return 0;
1254 }
1255
1256 static int usb_device_del(const char *devname)
1257 {
1258 int bus_num, addr;
1259 const char *p;
1260
1261 if (strstart(devname, "host:", &p)) {
1262 return -1;
1263 }
1264
1265 if (!usb_enabled()) {
1266 return -1;
1267 }
1268
1269 p = strchr(devname, '.');
1270 if (!p)
1271 return -1;
1272 bus_num = strtoul(devname, NULL, 0);
1273 addr = strtoul(p + 1, NULL, 0);
1274
1275 return usb_device_delete_addr(bus_num, addr);
1276 }
1277
1278 static int usb_parse(const char *cmdline)
1279 {
1280 int r;
1281 r = usb_device_add(cmdline);
1282 if (r < 0) {
1283 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1284 }
1285 return r;
1286 }
1287
1288 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1289 {
1290 const char *devname = qdict_get_str(qdict, "devname");
1291 if (usb_device_add(devname) < 0) {
1292 error_report("could not add USB device '%s'", devname);
1293 }
1294 }
1295
1296 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1297 {
1298 const char *devname = qdict_get_str(qdict, "devname");
1299 if (usb_device_del(devname) < 0) {
1300 error_report("could not delete USB device '%s'", devname);
1301 }
1302 }
1303
1304 /***********************************************************/
1305 /* machine registration */
1306
1307 MachineState *current_machine;
1308
1309 static void machine_class_init(ObjectClass *oc, void *data)
1310 {
1311 MachineClass *mc = MACHINE_CLASS(oc);
1312 QEMUMachine *qm = data;
1313
1314 mc->family = qm->family;
1315 mc->name = qm->name;
1316 mc->alias = qm->alias;
1317 mc->desc = qm->desc;
1318 mc->init = qm->init;
1319 mc->reset = qm->reset;
1320 mc->hot_add_cpu = qm->hot_add_cpu;
1321 mc->kvm_type = qm->kvm_type;
1322 mc->block_default_type = qm->block_default_type;
1323 mc->units_per_default_bus = qm->units_per_default_bus;
1324 mc->max_cpus = qm->max_cpus;
1325 mc->no_serial = qm->no_serial;
1326 mc->no_parallel = qm->no_parallel;
1327 mc->use_virtcon = qm->use_virtcon;
1328 mc->use_sclp = qm->use_sclp;
1329 mc->no_floppy = qm->no_floppy;
1330 mc->no_cdrom = qm->no_cdrom;
1331 mc->no_sdcard = qm->no_sdcard;
1332 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1333 mc->is_default = qm->is_default;
1334 mc->default_machine_opts = qm->default_machine_opts;
1335 mc->default_boot_order = qm->default_boot_order;
1336 mc->default_display = qm->default_display;
1337 mc->compat_props = qm->compat_props;
1338 mc->hw_version = qm->hw_version;
1339 }
1340
1341 int qemu_register_machine(QEMUMachine *m)
1342 {
1343 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1344 TypeInfo ti = {
1345 .name = name,
1346 .parent = TYPE_MACHINE,
1347 .class_init = machine_class_init,
1348 .class_data = (void *)m,
1349 };
1350
1351 type_register(&ti);
1352 g_free(name);
1353
1354 return 0;
1355 }
1356
1357 static MachineClass *find_machine(const char *name)
1358 {
1359 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1360 MachineClass *mc = NULL;
1361
1362 for (el = machines; el; el = el->next) {
1363 MachineClass *temp = el->data;
1364
1365 if (!strcmp(temp->name, name)) {
1366 mc = temp;
1367 break;
1368 }
1369 if (temp->alias &&
1370 !strcmp(temp->alias, name)) {
1371 mc = temp;
1372 break;
1373 }
1374 }
1375
1376 g_slist_free(machines);
1377 return mc;
1378 }
1379
1380 MachineClass *find_default_machine(void)
1381 {
1382 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1383 MachineClass *mc = NULL;
1384
1385 for (el = machines; el; el = el->next) {
1386 MachineClass *temp = el->data;
1387
1388 if (temp->is_default) {
1389 mc = temp;
1390 break;
1391 }
1392 }
1393
1394 g_slist_free(machines);
1395 return mc;
1396 }
1397
1398 MachineInfoList *qmp_query_machines(Error **errp)
1399 {
1400 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1401 MachineInfoList *mach_list = NULL;
1402
1403 for (el = machines; el; el = el->next) {
1404 MachineClass *mc = el->data;
1405 MachineInfoList *entry;
1406 MachineInfo *info;
1407
1408 info = g_malloc0(sizeof(*info));
1409 if (mc->is_default) {
1410 info->has_is_default = true;
1411 info->is_default = true;
1412 }
1413
1414 if (mc->alias) {
1415 info->has_alias = true;
1416 info->alias = g_strdup(mc->alias);
1417 }
1418
1419 info->name = g_strdup(mc->name);
1420 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1421
1422 entry = g_malloc0(sizeof(*entry));
1423 entry->value = info;
1424 entry->next = mach_list;
1425 mach_list = entry;
1426 }
1427
1428 g_slist_free(machines);
1429 return mach_list;
1430 }
1431
1432 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1433 {
1434 ObjectProperty *prop;
1435
1436 if (!qemu_opt_has_help_opt(opts)) {
1437 return 0;
1438 }
1439
1440 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1441 if (!prop->set) {
1442 continue;
1443 }
1444
1445 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1446 prop->name, prop->type);
1447 if (prop->description) {
1448 error_printf(" (%s)\n", prop->description);
1449 } else {
1450 error_printf("\n");
1451 }
1452 }
1453
1454 return 1;
1455 }
1456
1457 /***********************************************************/
1458 /* main execution loop */
1459
1460 struct vm_change_state_entry {
1461 VMChangeStateHandler *cb;
1462 void *opaque;
1463 QLIST_ENTRY (vm_change_state_entry) entries;
1464 };
1465
1466 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1467
1468 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1469 void *opaque)
1470 {
1471 VMChangeStateEntry *e;
1472
1473 e = g_malloc0(sizeof (*e));
1474
1475 e->cb = cb;
1476 e->opaque = opaque;
1477 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1478 return e;
1479 }
1480
1481 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1482 {
1483 QLIST_REMOVE (e, entries);
1484 g_free (e);
1485 }
1486
1487 void vm_state_notify(int running, RunState state)
1488 {
1489 VMChangeStateEntry *e, *next;
1490
1491 trace_vm_state_notify(running, state);
1492
1493 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1494 e->cb(e->opaque, running, state);
1495 }
1496 }
1497
1498 /* reset/shutdown handler */
1499
1500 typedef struct QEMUResetEntry {
1501 QTAILQ_ENTRY(QEMUResetEntry) entry;
1502 QEMUResetHandler *func;
1503 void *opaque;
1504 } QEMUResetEntry;
1505
1506 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1507 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1508 static int reset_requested;
1509 static int shutdown_requested, shutdown_signal = -1;
1510 static pid_t shutdown_pid;
1511 static int powerdown_requested;
1512 static int debug_requested;
1513 static int suspend_requested;
1514 static WakeupReason wakeup_reason;
1515 static NotifierList powerdown_notifiers =
1516 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1517 static NotifierList suspend_notifiers =
1518 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1519 static NotifierList wakeup_notifiers =
1520 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1521 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1522
1523 int qemu_shutdown_requested_get(void)
1524 {
1525 return shutdown_requested;
1526 }
1527
1528 int qemu_reset_requested_get(void)
1529 {
1530 return reset_requested;
1531 }
1532
1533 static int qemu_shutdown_requested(void)
1534 {
1535 return atomic_xchg(&shutdown_requested, 0);
1536 }
1537
1538 static void qemu_kill_report(void)
1539 {
1540 if (!qtest_driver() && shutdown_signal != -1) {
1541 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1542 if (shutdown_pid == 0) {
1543 /* This happens for eg ^C at the terminal, so it's worth
1544 * avoiding printing an odd message in that case.
1545 */
1546 fputc('\n', stderr);
1547 } else {
1548 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1549 }
1550 shutdown_signal = -1;
1551 }
1552 }
1553
1554 static int qemu_reset_requested(void)
1555 {
1556 int r = reset_requested;
1557 reset_requested = 0;
1558 return r;
1559 }
1560
1561 static int qemu_suspend_requested(void)
1562 {
1563 int r = suspend_requested;
1564 suspend_requested = 0;
1565 return r;
1566 }
1567
1568 static WakeupReason qemu_wakeup_requested(void)
1569 {
1570 return wakeup_reason;
1571 }
1572
1573 static int qemu_powerdown_requested(void)
1574 {
1575 int r = powerdown_requested;
1576 powerdown_requested = 0;
1577 return r;
1578 }
1579
1580 static int qemu_debug_requested(void)
1581 {
1582 int r = debug_requested;
1583 debug_requested = 0;
1584 return r;
1585 }
1586
1587 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1588 {
1589 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1590
1591 re->func = func;
1592 re->opaque = opaque;
1593 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1594 }
1595
1596 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1597 {
1598 QEMUResetEntry *re;
1599
1600 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1601 if (re->func == func && re->opaque == opaque) {
1602 QTAILQ_REMOVE(&reset_handlers, re, entry);
1603 g_free(re);
1604 return;
1605 }
1606 }
1607 }
1608
1609 void qemu_devices_reset(void)
1610 {
1611 QEMUResetEntry *re, *nre;
1612
1613 /* reset all devices */
1614 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1615 re->func(re->opaque);
1616 }
1617 }
1618
1619 void qemu_system_reset(bool report)
1620 {
1621 MachineClass *mc;
1622
1623 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1624
1625 if (mc && mc->reset) {
1626 mc->reset();
1627 } else {
1628 qemu_devices_reset();
1629 }
1630 if (report) {
1631 qapi_event_send_reset(&error_abort);
1632 }
1633 cpu_synchronize_all_post_reset();
1634 }
1635
1636 void qemu_system_reset_request(void)
1637 {
1638 if (no_reboot) {
1639 shutdown_requested = 1;
1640 } else {
1641 reset_requested = 1;
1642 }
1643 cpu_stop_current();
1644 qemu_notify_event();
1645 }
1646
1647 static void qemu_system_suspend(void)
1648 {
1649 pause_all_vcpus();
1650 notifier_list_notify(&suspend_notifiers, NULL);
1651 runstate_set(RUN_STATE_SUSPENDED);
1652 qapi_event_send_suspend(&error_abort);
1653 }
1654
1655 void qemu_system_suspend_request(void)
1656 {
1657 if (runstate_check(RUN_STATE_SUSPENDED)) {
1658 return;
1659 }
1660 suspend_requested = 1;
1661 cpu_stop_current();
1662 qemu_notify_event();
1663 }
1664
1665 void qemu_register_suspend_notifier(Notifier *notifier)
1666 {
1667 notifier_list_add(&suspend_notifiers, notifier);
1668 }
1669
1670 void qemu_system_wakeup_request(WakeupReason reason)
1671 {
1672 trace_system_wakeup_request(reason);
1673
1674 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1675 return;
1676 }
1677 if (!(wakeup_reason_mask & (1 << reason))) {
1678 return;
1679 }
1680 runstate_set(RUN_STATE_RUNNING);
1681 wakeup_reason = reason;
1682 qemu_notify_event();
1683 }
1684
1685 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1686 {
1687 if (enabled) {
1688 wakeup_reason_mask |= (1 << reason);
1689 } else {
1690 wakeup_reason_mask &= ~(1 << reason);
1691 }
1692 }
1693
1694 void qemu_register_wakeup_notifier(Notifier *notifier)
1695 {
1696 notifier_list_add(&wakeup_notifiers, notifier);
1697 }
1698
1699 void qemu_system_killed(int signal, pid_t pid)
1700 {
1701 shutdown_signal = signal;
1702 shutdown_pid = pid;
1703 no_shutdown = 0;
1704 qemu_system_shutdown_request();
1705 }
1706
1707 void qemu_system_shutdown_request(void)
1708 {
1709 trace_qemu_system_shutdown_request();
1710 shutdown_requested = 1;
1711 qemu_notify_event();
1712 }
1713
1714 static void qemu_system_powerdown(void)
1715 {
1716 qapi_event_send_powerdown(&error_abort);
1717 notifier_list_notify(&powerdown_notifiers, NULL);
1718 }
1719
1720 void qemu_system_powerdown_request(void)
1721 {
1722 trace_qemu_system_powerdown_request();
1723 powerdown_requested = 1;
1724 qemu_notify_event();
1725 }
1726
1727 void qemu_register_powerdown_notifier(Notifier *notifier)
1728 {
1729 notifier_list_add(&powerdown_notifiers, notifier);
1730 }
1731
1732 void qemu_system_debug_request(void)
1733 {
1734 debug_requested = 1;
1735 qemu_notify_event();
1736 }
1737
1738 static bool main_loop_should_exit(void)
1739 {
1740 RunState r;
1741 if (qemu_debug_requested()) {
1742 vm_stop(RUN_STATE_DEBUG);
1743 }
1744 if (qemu_suspend_requested()) {
1745 qemu_system_suspend();
1746 }
1747 if (qemu_shutdown_requested()) {
1748 qemu_kill_report();
1749 qapi_event_send_shutdown(&error_abort);
1750 if (no_shutdown) {
1751 vm_stop(RUN_STATE_SHUTDOWN);
1752 } else {
1753 return true;
1754 }
1755 }
1756 if (qemu_reset_requested()) {
1757 pause_all_vcpus();
1758 cpu_synchronize_all_states();
1759 qemu_system_reset(VMRESET_REPORT);
1760 resume_all_vcpus();
1761 if (runstate_needs_reset()) {
1762 runstate_set(RUN_STATE_PAUSED);
1763 }
1764 }
1765 if (qemu_wakeup_requested()) {
1766 pause_all_vcpus();
1767 cpu_synchronize_all_states();
1768 qemu_system_reset(VMRESET_SILENT);
1769 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1770 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1771 resume_all_vcpus();
1772 qapi_event_send_wakeup(&error_abort);
1773 }
1774 if (qemu_powerdown_requested()) {
1775 qemu_system_powerdown();
1776 }
1777 if (qemu_vmstop_requested(&r)) {
1778 vm_stop(r);
1779 }
1780 return false;
1781 }
1782
1783 static void main_loop(void)
1784 {
1785 bool nonblocking;
1786 int last_io = 0;
1787 #ifdef CONFIG_PROFILER
1788 int64_t ti;
1789 #endif
1790 do {
1791 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1792 #ifdef CONFIG_PROFILER
1793 ti = profile_getclock();
1794 #endif
1795 last_io = main_loop_wait(nonblocking);
1796 #ifdef CONFIG_PROFILER
1797 dev_time += profile_getclock() - ti;
1798 #endif
1799 } while (!main_loop_should_exit());
1800 }
1801
1802 static void version(void)
1803 {
1804 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1805 }
1806
1807 static void help(int exitcode)
1808 {
1809 version();
1810 printf("usage: %s [options] [disk_image]\n\n"
1811 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1812 error_get_progname());
1813
1814 #define QEMU_OPTIONS_GENERATE_HELP
1815 #include "qemu-options-wrapper.h"
1816
1817 printf("\nDuring emulation, the following keys are useful:\n"
1818 "ctrl-alt-f toggle full screen\n"
1819 "ctrl-alt-n switch to virtual console 'n'\n"
1820 "ctrl-alt toggle mouse and keyboard grab\n"
1821 "\n"
1822 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1823
1824 exit(exitcode);
1825 }
1826
1827 #define HAS_ARG 0x0001
1828
1829 typedef struct QEMUOption {
1830 const char *name;
1831 int flags;
1832 int index;
1833 uint32_t arch_mask;
1834 } QEMUOption;
1835
1836 static const QEMUOption qemu_options[] = {
1837 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1838 #define QEMU_OPTIONS_GENERATE_OPTIONS
1839 #include "qemu-options-wrapper.h"
1840 { NULL },
1841 };
1842
1843 static bool vga_available(void)
1844 {
1845 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1846 }
1847
1848 static bool cirrus_vga_available(void)
1849 {
1850 return object_class_by_name("cirrus-vga")
1851 || object_class_by_name("isa-cirrus-vga");
1852 }
1853
1854 static bool vmware_vga_available(void)
1855 {
1856 return object_class_by_name("vmware-svga");
1857 }
1858
1859 static bool qxl_vga_available(void)
1860 {
1861 return object_class_by_name("qxl-vga");
1862 }
1863
1864 static bool tcx_vga_available(void)
1865 {
1866 return object_class_by_name("SUNW,tcx");
1867 }
1868
1869 static bool cg3_vga_available(void)
1870 {
1871 return object_class_by_name("cgthree");
1872 }
1873
1874 static void select_vgahw (const char *p)
1875 {
1876 const char *opts;
1877
1878 assert(vga_interface_type == VGA_NONE);
1879 if (strstart(p, "std", &opts)) {
1880 if (vga_available()) {
1881 vga_interface_type = VGA_STD;
1882 } else {
1883 fprintf(stderr, "Error: standard VGA not available\n");
1884 exit(0);
1885 }
1886 } else if (strstart(p, "cirrus", &opts)) {
1887 if (cirrus_vga_available()) {
1888 vga_interface_type = VGA_CIRRUS;
1889 } else {
1890 fprintf(stderr, "Error: Cirrus VGA not available\n");
1891 exit(0);
1892 }
1893 } else if (strstart(p, "vmware", &opts)) {
1894 if (vmware_vga_available()) {
1895 vga_interface_type = VGA_VMWARE;
1896 } else {
1897 fprintf(stderr, "Error: VMWare SVGA not available\n");
1898 exit(0);
1899 }
1900 } else if (strstart(p, "xenfb", &opts)) {
1901 vga_interface_type = VGA_XENFB;
1902 } else if (strstart(p, "qxl", &opts)) {
1903 if (qxl_vga_available()) {
1904 vga_interface_type = VGA_QXL;
1905 } else {
1906 fprintf(stderr, "Error: QXL VGA not available\n");
1907 exit(0);
1908 }
1909 } else if (strstart(p, "tcx", &opts)) {
1910 if (tcx_vga_available()) {
1911 vga_interface_type = VGA_TCX;
1912 } else {
1913 fprintf(stderr, "Error: TCX framebuffer not available\n");
1914 exit(0);
1915 }
1916 } else if (strstart(p, "cg3", &opts)) {
1917 if (cg3_vga_available()) {
1918 vga_interface_type = VGA_CG3;
1919 } else {
1920 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1921 exit(0);
1922 }
1923 } else if (!strstart(p, "none", &opts)) {
1924 invalid_vga:
1925 fprintf(stderr, "Unknown vga type: %s\n", p);
1926 exit(1);
1927 }
1928 while (*opts) {
1929 const char *nextopt;
1930
1931 if (strstart(opts, ",retrace=", &nextopt)) {
1932 opts = nextopt;
1933 if (strstart(opts, "dumb", &nextopt))
1934 vga_retrace_method = VGA_RETRACE_DUMB;
1935 else if (strstart(opts, "precise", &nextopt))
1936 vga_retrace_method = VGA_RETRACE_PRECISE;
1937 else goto invalid_vga;
1938 } else goto invalid_vga;
1939 opts = nextopt;
1940 }
1941 }
1942
1943 static DisplayType select_display(const char *p)
1944 {
1945 const char *opts;
1946 DisplayType display = DT_DEFAULT;
1947
1948 if (strstart(p, "sdl", &opts)) {
1949 #ifdef CONFIG_SDL
1950 display = DT_SDL;
1951 while (*opts) {
1952 const char *nextopt;
1953
1954 if (strstart(opts, ",frame=", &nextopt)) {
1955 opts = nextopt;
1956 if (strstart(opts, "on", &nextopt)) {
1957 no_frame = 0;
1958 } else if (strstart(opts, "off", &nextopt)) {
1959 no_frame = 1;
1960 } else {
1961 goto invalid_sdl_args;
1962 }
1963 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1964 opts = nextopt;
1965 if (strstart(opts, "on", &nextopt)) {
1966 alt_grab = 1;
1967 } else if (strstart(opts, "off", &nextopt)) {
1968 alt_grab = 0;
1969 } else {
1970 goto invalid_sdl_args;
1971 }
1972 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1973 opts = nextopt;
1974 if (strstart(opts, "on", &nextopt)) {
1975 ctrl_grab = 1;
1976 } else if (strstart(opts, "off", &nextopt)) {
1977 ctrl_grab = 0;
1978 } else {
1979 goto invalid_sdl_args;
1980 }
1981 } else if (strstart(opts, ",window_close=", &nextopt)) {
1982 opts = nextopt;
1983 if (strstart(opts, "on", &nextopt)) {
1984 no_quit = 0;
1985 } else if (strstart(opts, "off", &nextopt)) {
1986 no_quit = 1;
1987 } else {
1988 goto invalid_sdl_args;
1989 }
1990 } else {
1991 invalid_sdl_args:
1992 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1993 exit(1);
1994 }
1995 opts = nextopt;
1996 }
1997 #else
1998 fprintf(stderr, "SDL support is disabled\n");
1999 exit(1);
2000 #endif
2001 } else if (strstart(p, "vnc", &opts)) {
2002 #ifdef CONFIG_VNC
2003 if (*opts == '=') {
2004 if (vnc_parse_func(opts+1) == NULL) {
2005 exit(1);
2006 }
2007 } else {
2008 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2009 exit(1);
2010 }
2011 #else
2012 fprintf(stderr, "VNC support is disabled\n");
2013 exit(1);
2014 #endif
2015 } else if (strstart(p, "curses", &opts)) {
2016 #ifdef CONFIG_CURSES
2017 display = DT_CURSES;
2018 #else
2019 fprintf(stderr, "Curses support is disabled\n");
2020 exit(1);
2021 #endif
2022 } else if (strstart(p, "gtk", &opts)) {
2023 #ifdef CONFIG_GTK
2024 display = DT_GTK;
2025 while (*opts) {
2026 const char *nextopt;
2027
2028 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2029 opts = nextopt;
2030 if (strstart(opts, "on", &nextopt)) {
2031 grab_on_hover = true;
2032 } else if (strstart(opts, "off", &nextopt)) {
2033 grab_on_hover = false;
2034 } else {
2035 goto invalid_gtk_args;
2036 }
2037 } else {
2038 invalid_gtk_args:
2039 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2040 exit(1);
2041 }
2042 opts = nextopt;
2043 }
2044 #else
2045 fprintf(stderr, "GTK support is disabled\n");
2046 exit(1);
2047 #endif
2048 } else if (strstart(p, "none", &opts)) {
2049 display = DT_NONE;
2050 } else {
2051 fprintf(stderr, "Unknown display type: %s\n", p);
2052 exit(1);
2053 }
2054
2055 return display;
2056 }
2057
2058 static int balloon_parse(const char *arg)
2059 {
2060 QemuOpts *opts;
2061
2062 if (strcmp(arg, "none") == 0) {
2063 return 0;
2064 }
2065
2066 if (!strncmp(arg, "virtio", 6)) {
2067 if (arg[6] == ',') {
2068 /* have params -> parse them */
2069 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2070 if (!opts)
2071 return -1;
2072 } else {
2073 /* create empty opts */
2074 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2075 &error_abort);
2076 }
2077 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2078 return 0;
2079 }
2080
2081 return -1;
2082 }
2083
2084 char *qemu_find_file(int type, const char *name)
2085 {
2086 int i;
2087 const char *subdir;
2088 char *buf;
2089
2090 /* Try the name as a straight path first */
2091 if (access(name, R_OK) == 0) {
2092 trace_load_file(name, name);
2093 return g_strdup(name);
2094 }
2095
2096 switch (type) {
2097 case QEMU_FILE_TYPE_BIOS:
2098 subdir = "";
2099 break;
2100 case QEMU_FILE_TYPE_KEYMAP:
2101 subdir = "keymaps/";
2102 break;
2103 default:
2104 abort();
2105 }
2106
2107 for (i = 0; i < data_dir_idx; i++) {
2108 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2109 if (access(buf, R_OK) == 0) {
2110 trace_load_file(name, buf);
2111 return buf;
2112 }
2113 g_free(buf);
2114 }
2115 return NULL;
2116 }
2117
2118 static int device_help_func(QemuOpts *opts, void *opaque)
2119 {
2120 return qdev_device_help(opts);
2121 }
2122
2123 static int device_init_func(QemuOpts *opts, void *opaque)
2124 {
2125 DeviceState *dev;
2126
2127 dev = qdev_device_add(opts);
2128 if (!dev)
2129 return -1;
2130 object_unref(OBJECT(dev));
2131 return 0;
2132 }
2133
2134 static int chardev_init_func(QemuOpts *opts, void *opaque)
2135 {
2136 Error *local_err = NULL;
2137
2138 qemu_chr_new_from_opts(opts, NULL, &local_err);
2139 if (local_err) {
2140 error_report_err(local_err);
2141 return -1;
2142 }
2143 return 0;
2144 }
2145
2146 #ifdef CONFIG_VIRTFS
2147 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2148 {
2149 int ret;
2150 ret = qemu_fsdev_add(opts);
2151
2152 return ret;
2153 }
2154 #endif
2155
2156 static int mon_init_func(QemuOpts *opts, void *opaque)
2157 {
2158 CharDriverState *chr;
2159 const char *chardev;
2160 const char *mode;
2161 int flags;
2162
2163 mode = qemu_opt_get(opts, "mode");
2164 if (mode == NULL) {
2165 mode = "readline";
2166 }
2167 if (strcmp(mode, "readline") == 0) {
2168 flags = MONITOR_USE_READLINE;
2169 } else if (strcmp(mode, "control") == 0) {
2170 flags = MONITOR_USE_CONTROL;
2171 } else {
2172 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2173 exit(1);
2174 }
2175
2176 if (qemu_opt_get_bool(opts, "pretty", 0))
2177 flags |= MONITOR_USE_PRETTY;
2178
2179 if (qemu_opt_get_bool(opts, "default", 0))
2180 flags |= MONITOR_IS_DEFAULT;
2181
2182 chardev = qemu_opt_get(opts, "chardev");
2183 chr = qemu_chr_find(chardev);
2184 if (chr == NULL) {
2185 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2186 exit(1);
2187 }
2188
2189 qemu_chr_fe_claim_no_fail(chr);
2190 monitor_init(chr, flags);
2191 return 0;
2192 }
2193
2194 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2195 {
2196 static int monitor_device_index = 0;
2197 Error *local_err = NULL;
2198 QemuOpts *opts;
2199 const char *p;
2200 char label[32];
2201 int def = 0;
2202
2203 if (strstart(optarg, "chardev:", &p)) {
2204 snprintf(label, sizeof(label), "%s", p);
2205 } else {
2206 snprintf(label, sizeof(label), "compat_monitor%d",
2207 monitor_device_index);
2208 if (monitor_device_index == 0) {
2209 def = 1;
2210 }
2211 opts = qemu_chr_parse_compat(label, optarg);
2212 if (!opts) {
2213 fprintf(stderr, "parse error: %s\n", optarg);
2214 exit(1);
2215 }
2216 }
2217
2218 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2219 if (!opts) {
2220 error_report_err(local_err);
2221 exit(1);
2222 }
2223 qemu_opt_set(opts, "mode", mode, &error_abort);
2224 qemu_opt_set(opts, "chardev", label, &error_abort);
2225 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2226 if (def)
2227 qemu_opt_set(opts, "default", "on", &error_abort);
2228 monitor_device_index++;
2229 }
2230
2231 struct device_config {
2232 enum {
2233 DEV_USB, /* -usbdevice */
2234 DEV_BT, /* -bt */
2235 DEV_SERIAL, /* -serial */
2236 DEV_PARALLEL, /* -parallel */
2237 DEV_VIRTCON, /* -virtioconsole */
2238 DEV_DEBUGCON, /* -debugcon */
2239 DEV_GDB, /* -gdb, -s */
2240 DEV_SCLP, /* s390 sclp */
2241 } type;
2242 const char *cmdline;
2243 Location loc;
2244 QTAILQ_ENTRY(device_config) next;
2245 };
2246
2247 static QTAILQ_HEAD(, device_config) device_configs =
2248 QTAILQ_HEAD_INITIALIZER(device_configs);
2249
2250 static void add_device_config(int type, const char *cmdline)
2251 {
2252 struct device_config *conf;
2253
2254 conf = g_malloc0(sizeof(*conf));
2255 conf->type = type;
2256 conf->cmdline = cmdline;
2257 loc_save(&conf->loc);
2258 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2259 }
2260
2261 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2262 {
2263 struct device_config *conf;
2264 int rc;
2265
2266 QTAILQ_FOREACH(conf, &device_configs, next) {
2267 if (conf->type != type)
2268 continue;
2269 loc_push_restore(&conf->loc);
2270 rc = func(conf->cmdline);
2271 loc_pop(&conf->loc);
2272 if (rc) {
2273 return rc;
2274 }
2275 }
2276 return 0;
2277 }
2278
2279 static int serial_parse(const char *devname)
2280 {
2281 static int index = 0;
2282 char label[32];
2283
2284 if (strcmp(devname, "none") == 0)
2285 return 0;
2286 if (index == MAX_SERIAL_PORTS) {
2287 fprintf(stderr, "qemu: too many serial ports\n");
2288 exit(1);
2289 }
2290 snprintf(label, sizeof(label), "serial%d", index);
2291 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2292 if (!serial_hds[index]) {
2293 fprintf(stderr, "qemu: could not connect serial device"
2294 " to character backend '%s'\n", devname);
2295 return -1;
2296 }
2297 index++;
2298 return 0;
2299 }
2300
2301 static int parallel_parse(const char *devname)
2302 {
2303 static int index = 0;
2304 char label[32];
2305
2306 if (strcmp(devname, "none") == 0)
2307 return 0;
2308 if (index == MAX_PARALLEL_PORTS) {
2309 fprintf(stderr, "qemu: too many parallel ports\n");
2310 exit(1);
2311 }
2312 snprintf(label, sizeof(label), "parallel%d", index);
2313 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2314 if (!parallel_hds[index]) {
2315 fprintf(stderr, "qemu: could not connect parallel device"
2316 " to character backend '%s'\n", devname);
2317 return -1;
2318 }
2319 index++;
2320 return 0;
2321 }
2322
2323 static int virtcon_parse(const char *devname)
2324 {
2325 QemuOptsList *device = qemu_find_opts("device");
2326 static int index = 0;
2327 char label[32];
2328 QemuOpts *bus_opts, *dev_opts;
2329
2330 if (strcmp(devname, "none") == 0)
2331 return 0;
2332 if (index == MAX_VIRTIO_CONSOLES) {
2333 fprintf(stderr, "qemu: too many virtio consoles\n");
2334 exit(1);
2335 }
2336
2337 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2338 if (arch_type == QEMU_ARCH_S390X) {
2339 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2340 } else {
2341 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2342 }
2343
2344 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2345 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2346
2347 snprintf(label, sizeof(label), "virtcon%d", index);
2348 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2349 if (!virtcon_hds[index]) {
2350 fprintf(stderr, "qemu: could not connect virtio console"
2351 " to character backend '%s'\n", devname);
2352 return -1;
2353 }
2354 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2355
2356 index++;
2357 return 0;
2358 }
2359
2360 static int sclp_parse(const char *devname)
2361 {
2362 QemuOptsList *device = qemu_find_opts("device");
2363 static int index = 0;
2364 char label[32];
2365 QemuOpts *dev_opts;
2366
2367 if (strcmp(devname, "none") == 0) {
2368 return 0;
2369 }
2370 if (index == MAX_SCLP_CONSOLES) {
2371 fprintf(stderr, "qemu: too many sclp consoles\n");
2372 exit(1);
2373 }
2374
2375 assert(arch_type == QEMU_ARCH_S390X);
2376
2377 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2378 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2379
2380 snprintf(label, sizeof(label), "sclpcon%d", index);
2381 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2382 if (!sclp_hds[index]) {
2383 fprintf(stderr, "qemu: could not connect sclp console"
2384 " to character backend '%s'\n", devname);
2385 return -1;
2386 }
2387 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2388
2389 index++;
2390 return 0;
2391 }
2392
2393 static int debugcon_parse(const char *devname)
2394 {
2395 QemuOpts *opts;
2396
2397 if (!qemu_chr_new("debugcon", devname, NULL)) {
2398 exit(1);
2399 }
2400 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2401 if (!opts) {
2402 fprintf(stderr, "qemu: already have a debugcon device\n");
2403 exit(1);
2404 }
2405 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2406 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2407 return 0;
2408 }
2409
2410 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2411 {
2412 const MachineClass *mc1 = a, *mc2 = b;
2413 int res;
2414
2415 if (mc1->family == NULL) {
2416 if (mc2->family == NULL) {
2417 /* Compare standalone machine types against each other; they sort
2418 * in increasing order.
2419 */
2420 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2421 object_class_get_name(OBJECT_CLASS(mc2)));
2422 }
2423
2424 /* Standalone machine types sort after families. */
2425 return 1;
2426 }
2427
2428 if (mc2->family == NULL) {
2429 /* Families sort before standalone machine types. */
2430 return -1;
2431 }
2432
2433 /* Families sort between each other alphabetically increasingly. */
2434 res = strcmp(mc1->family, mc2->family);
2435 if (res != 0) {
2436 return res;
2437 }
2438
2439 /* Within the same family, machine types sort in decreasing order. */
2440 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2441 object_class_get_name(OBJECT_CLASS(mc1)));
2442 }
2443
2444 static MachineClass *machine_parse(const char *name)
2445 {
2446 MachineClass *mc = NULL;
2447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2448
2449 if (name) {
2450 mc = find_machine(name);
2451 }
2452 if (mc) {
2453 g_slist_free(machines);
2454 return mc;
2455 }
2456 if (name && !is_help_option(name)) {
2457 error_report("Unsupported machine type");
2458 error_printf("Use -machine help to list supported machines!\n");
2459 } else {
2460 printf("Supported machines are:\n");
2461 machines = g_slist_sort(machines, machine_class_cmp);
2462 for (el = machines; el; el = el->next) {
2463 MachineClass *mc = el->data;
2464 if (mc->alias) {
2465 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2466 }
2467 printf("%-20s %s%s\n", mc->name, mc->desc,
2468 mc->is_default ? " (default)" : "");
2469 }
2470 }
2471
2472 g_slist_free(machines);
2473 exit(!name || !is_help_option(name));
2474 }
2475
2476 void qemu_add_exit_notifier(Notifier *notify)
2477 {
2478 notifier_list_add(&exit_notifiers, notify);
2479 }
2480
2481 void qemu_remove_exit_notifier(Notifier *notify)
2482 {
2483 notifier_remove(notify);
2484 }
2485
2486 static void qemu_run_exit_notifiers(void)
2487 {
2488 notifier_list_notify(&exit_notifiers, NULL);
2489 }
2490
2491 void qemu_add_machine_init_done_notifier(Notifier *notify)
2492 {
2493 notifier_list_add(&machine_init_done_notifiers, notify);
2494 }
2495
2496 static void qemu_run_machine_init_done_notifiers(void)
2497 {
2498 notifier_list_notify(&machine_init_done_notifiers, NULL);
2499 }
2500
2501 static const QEMUOption *lookup_opt(int argc, char **argv,
2502 const char **poptarg, int *poptind)
2503 {
2504 const QEMUOption *popt;
2505 int optind = *poptind;
2506 char *r = argv[optind];
2507 const char *optarg;
2508
2509 loc_set_cmdline(argv, optind, 1);
2510 optind++;
2511 /* Treat --foo the same as -foo. */
2512 if (r[1] == '-')
2513 r++;
2514 popt = qemu_options;
2515 for(;;) {
2516 if (!popt->name) {
2517 error_report("invalid option");
2518 exit(1);
2519 }
2520 if (!strcmp(popt->name, r + 1))
2521 break;
2522 popt++;
2523 }
2524 if (popt->flags & HAS_ARG) {
2525 if (optind >= argc) {
2526 error_report("requires an argument");
2527 exit(1);
2528 }
2529 optarg = argv[optind++];
2530 loc_set_cmdline(argv, optind - 2, 2);
2531 } else {
2532 optarg = NULL;
2533 }
2534
2535 *poptarg = optarg;
2536 *poptind = optind;
2537
2538 return popt;
2539 }
2540
2541 static gpointer malloc_and_trace(gsize n_bytes)
2542 {
2543 void *ptr = malloc(n_bytes);
2544 trace_g_malloc(n_bytes, ptr);
2545 return ptr;
2546 }
2547
2548 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2549 {
2550 void *ptr = realloc(mem, n_bytes);
2551 trace_g_realloc(mem, n_bytes, ptr);
2552 return ptr;
2553 }
2554
2555 static void free_and_trace(gpointer mem)
2556 {
2557 trace_g_free(mem);
2558 free(mem);
2559 }
2560
2561 static int machine_set_property(const char *name, const char *value,
2562 void *opaque)
2563 {
2564 Object *obj = OBJECT(opaque);
2565 Error *local_err = NULL;
2566 char *c, *qom_name;
2567
2568 if (strcmp(name, "type") == 0) {
2569 return 0;
2570 }
2571
2572 qom_name = g_strdup(name);
2573 c = qom_name;
2574 while (*c++) {
2575 if (*c == '_') {
2576 *c = '-';
2577 }
2578 }
2579
2580 object_property_parse(obj, value, qom_name, &local_err);
2581 g_free(qom_name);
2582
2583 if (local_err) {
2584 error_report_err(local_err);
2585 return -1;
2586 }
2587
2588 return 0;
2589 }
2590
2591 static int object_create(QemuOpts *opts, void *opaque)
2592 {
2593 Error *err = NULL;
2594 char *type = NULL;
2595 char *id = NULL;
2596 void *dummy = NULL;
2597 OptsVisitor *ov;
2598 QDict *pdict;
2599
2600 ov = opts_visitor_new(opts);
2601 pdict = qemu_opts_to_qdict(opts, NULL);
2602
2603 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2604 if (err) {
2605 goto out;
2606 }
2607
2608 qdict_del(pdict, "qom-type");
2609 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2610 if (err) {
2611 goto out;
2612 }
2613
2614 qdict_del(pdict, "id");
2615 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2616 if (err) {
2617 goto out;
2618 }
2619
2620 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2621 if (err) {
2622 goto out;
2623 }
2624 visit_end_struct(opts_get_visitor(ov), &err);
2625 if (err) {
2626 qmp_object_del(id, NULL);
2627 }
2628
2629 out:
2630 opts_visitor_cleanup(ov);
2631
2632 QDECREF(pdict);
2633 g_free(id);
2634 g_free(type);
2635 g_free(dummy);
2636 if (err) {
2637 error_report_err(err);
2638 return -1;
2639 }
2640 return 0;
2641 }
2642
2643 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2644 {
2645 uint64_t sz;
2646 const char *mem_str;
2647 const char *maxmem_str, *slots_str;
2648 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2649 1024 * 1024;
2650 QemuOpts *opts = qemu_find_opts_singleton("memory");
2651
2652 sz = 0;
2653 mem_str = qemu_opt_get(opts, "size");
2654 if (mem_str) {
2655 if (!*mem_str) {
2656 error_report("missing 'size' option value");
2657 exit(EXIT_FAILURE);
2658 }
2659
2660 sz = qemu_opt_get_size(opts, "size", ram_size);
2661
2662 /* Fix up legacy suffix-less format */
2663 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2664 uint64_t overflow_check = sz;
2665
2666 sz <<= 20;
2667 if ((sz >> 20) != overflow_check) {
2668 error_report("too large 'size' option value");
2669 exit(EXIT_FAILURE);
2670 }
2671 }
2672 }
2673
2674 /* backward compatibility behaviour for case "-m 0" */
2675 if (sz == 0) {
2676 sz = default_ram_size;
2677 }
2678
2679 sz = QEMU_ALIGN_UP(sz, 8192);
2680 ram_size = sz;
2681 if (ram_size != sz) {
2682 error_report("ram size too large");
2683 exit(EXIT_FAILURE);
2684 }
2685
2686 /* store value for the future use */
2687 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2688 *maxram_size = ram_size;
2689
2690 maxmem_str = qemu_opt_get(opts, "maxmem");
2691 slots_str = qemu_opt_get(opts, "slots");
2692 if (maxmem_str && slots_str) {
2693 uint64_t slots;
2694
2695 sz = qemu_opt_get_size(opts, "maxmem", 0);
2696 slots = qemu_opt_get_number(opts, "slots", 0);
2697 if (sz < ram_size) {
2698 error_report("invalid value of -m option maxmem: "
2699 "maximum memory size (0x%" PRIx64 ") must be at least "
2700 "the initial memory size (0x" RAM_ADDR_FMT ")",
2701 sz, ram_size);
2702 exit(EXIT_FAILURE);
2703 } else if (sz > ram_size) {
2704 if (!slots) {
2705 error_report("invalid value of -m option: maxmem was "
2706 "specified, but no hotplug slots were specified");
2707 exit(EXIT_FAILURE);
2708 }
2709 } else if (slots) {
2710 error_report("invalid value of -m option maxmem: "
2711 "memory slots were specified but maximum memory size "
2712 "(0x%" PRIx64 ") is equal to the initial memory size "
2713 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2714 exit(EXIT_FAILURE);
2715 }
2716
2717 *maxram_size = sz;
2718 *ram_slots = slots;
2719 } else if ((!maxmem_str && slots_str) ||
2720 (maxmem_str && !slots_str)) {
2721 error_report("invalid -m option value: missing "
2722 "'%s' option", slots_str ? "maxmem" : "slots");
2723 exit(EXIT_FAILURE);
2724 }
2725 }
2726
2727 int main(int argc, char **argv, char **envp)
2728 {
2729 int i;
2730 int snapshot, linux_boot;
2731 const char *initrd_filename;
2732 const char *kernel_filename, *kernel_cmdline;
2733 const char *boot_order = NULL;
2734 const char *boot_once = NULL;
2735 DisplayState *ds;
2736 int cyls, heads, secs, translation;
2737 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2738 QemuOptsList *olist;
2739 int optind;
2740 const char *optarg;
2741 const char *loadvm = NULL;
2742 MachineClass *machine_class;
2743 const char *cpu_model;
2744 const char *vga_model = NULL;
2745 const char *qtest_chrdev = NULL;
2746 const char *qtest_log = NULL;
2747 const char *pid_file = NULL;
2748 const char *incoming = NULL;
2749 #ifdef CONFIG_VNC
2750 int show_vnc_port = 0;
2751 #endif
2752 bool defconfig = true;
2753 bool userconfig = true;
2754 const char *log_mask = NULL;
2755 const char *log_file = NULL;
2756 GMemVTable mem_trace = {
2757 .malloc = malloc_and_trace,
2758 .realloc = realloc_and_trace,
2759 .free = free_and_trace,
2760 };
2761 const char *trace_events = NULL;
2762 const char *trace_file = NULL;
2763 ram_addr_t maxram_size;
2764 uint64_t ram_slots = 0;
2765 FILE *vmstate_dump_file = NULL;
2766 Error *main_loop_err = NULL;
2767
2768 qemu_init_cpu_loop();
2769 qemu_mutex_lock_iothread();
2770
2771 atexit(qemu_run_exit_notifiers);
2772 error_set_progname(argv[0]);
2773 qemu_init_exec_dir(argv[0]);
2774
2775 g_mem_set_vtable(&mem_trace);
2776
2777 module_call_init(MODULE_INIT_QOM);
2778
2779 qemu_add_opts(&qemu_drive_opts);
2780 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2781 qemu_add_drive_opts(&qemu_common_drive_opts);
2782 qemu_add_drive_opts(&qemu_drive_opts);
2783 qemu_add_opts(&qemu_chardev_opts);
2784 qemu_add_opts(&qemu_device_opts);
2785 qemu_add_opts(&qemu_netdev_opts);
2786 qemu_add_opts(&qemu_net_opts);
2787 qemu_add_opts(&qemu_rtc_opts);
2788 qemu_add_opts(&qemu_global_opts);
2789 qemu_add_opts(&qemu_mon_opts);
2790 qemu_add_opts(&qemu_trace_opts);
2791 qemu_add_opts(&qemu_option_rom_opts);
2792 qemu_add_opts(&qemu_machine_opts);
2793 qemu_add_opts(&qemu_mem_opts);
2794 qemu_add_opts(&qemu_smp_opts);
2795 qemu_add_opts(&qemu_boot_opts);
2796 qemu_add_opts(&qemu_sandbox_opts);
2797 qemu_add_opts(&qemu_add_fd_opts);
2798 qemu_add_opts(&qemu_object_opts);
2799 qemu_add_opts(&qemu_tpmdev_opts);
2800 qemu_add_opts(&qemu_realtime_opts);
2801 qemu_add_opts(&qemu_msg_opts);
2802 qemu_add_opts(&qemu_name_opts);
2803 qemu_add_opts(&qemu_numa_opts);
2804 qemu_add_opts(&qemu_icount_opts);
2805 qemu_add_opts(&qemu_semihosting_config_opts);
2806
2807 runstate_init();
2808
2809 rtc_clock = QEMU_CLOCK_HOST;
2810
2811 QLIST_INIT (&vm_change_state_head);
2812 os_setup_early_signal_handling();
2813
2814 module_call_init(MODULE_INIT_MACHINE);
2815 machine_class = find_default_machine();
2816 cpu_model = NULL;
2817 snapshot = 0;
2818 cyls = heads = secs = 0;
2819 translation = BIOS_ATA_TRANSLATION_AUTO;
2820
2821 nb_nics = 0;
2822
2823 bdrv_init_with_whitelist();
2824
2825 autostart = 1;
2826
2827 /* first pass of option parsing */
2828 optind = 1;
2829 while (optind < argc) {
2830 if (argv[optind][0] != '-') {
2831 /* disk image */
2832 optind++;
2833 } else {
2834 const QEMUOption *popt;
2835
2836 popt = lookup_opt(argc, argv, &optarg, &optind);
2837 switch (popt->index) {
2838 case QEMU_OPTION_nodefconfig:
2839 defconfig = false;
2840 break;
2841 case QEMU_OPTION_nouserconfig:
2842 userconfig = false;
2843 break;
2844 }
2845 }
2846 }
2847
2848 if (defconfig) {
2849 int ret;
2850 ret = qemu_read_default_config_files(userconfig);
2851 if (ret < 0) {
2852 exit(1);
2853 }
2854 }
2855
2856 /* second pass of option parsing */
2857 optind = 1;
2858 for(;;) {
2859 if (optind >= argc)
2860 break;
2861 if (argv[optind][0] != '-') {
2862 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2863 } else {
2864 const QEMUOption *popt;
2865
2866 popt = lookup_opt(argc, argv, &optarg, &optind);
2867 if (!(popt->arch_mask & arch_type)) {
2868 printf("Option %s not supported for this target\n", popt->name);
2869 exit(1);
2870 }
2871 switch(popt->index) {
2872 case QEMU_OPTION_no_kvm_irqchip: {
2873 olist = qemu_find_opts("machine");
2874 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2875 break;
2876 }
2877 case QEMU_OPTION_cpu:
2878 /* hw initialization will check this */
2879 cpu_model = optarg;
2880 break;
2881 case QEMU_OPTION_hda:
2882 {
2883 char buf[256];
2884 if (cyls == 0)
2885 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2886 else
2887 snprintf(buf, sizeof(buf),
2888 "%s,cyls=%d,heads=%d,secs=%d%s",
2889 HD_OPTS , cyls, heads, secs,
2890 translation == BIOS_ATA_TRANSLATION_LBA ?
2891 ",trans=lba" :
2892 translation == BIOS_ATA_TRANSLATION_NONE ?
2893 ",trans=none" : "");
2894 drive_add(IF_DEFAULT, 0, optarg, buf);
2895 break;
2896 }
2897 case QEMU_OPTION_hdb:
2898 case QEMU_OPTION_hdc:
2899 case QEMU_OPTION_hdd:
2900 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2901 HD_OPTS);
2902 break;
2903 case QEMU_OPTION_drive:
2904 if (drive_def(optarg) == NULL) {
2905 exit(1);
2906 }
2907 break;
2908 case QEMU_OPTION_set:
2909 if (qemu_set_option(optarg) != 0)
2910 exit(1);
2911 break;
2912 case QEMU_OPTION_global:
2913 if (qemu_global_option(optarg) != 0)
2914 exit(1);
2915 break;
2916 case QEMU_OPTION_mtdblock:
2917 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2918 break;
2919 case QEMU_OPTION_sd:
2920 drive_add(IF_SD, -1, optarg, SD_OPTS);
2921 break;
2922 case QEMU_OPTION_pflash:
2923 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2924 break;
2925 case QEMU_OPTION_snapshot:
2926 snapshot = 1;
2927 break;
2928 case QEMU_OPTION_hdachs:
2929 {
2930 const char *p;
2931 p = optarg;
2932 cyls = strtol(p, (char **)&p, 0);
2933 if (cyls < 1 || cyls > 16383)
2934 goto chs_fail;
2935 if (*p != ',')
2936 goto chs_fail;
2937 p++;
2938 heads = strtol(p, (char **)&p, 0);
2939 if (heads < 1 || heads > 16)
2940 goto chs_fail;
2941 if (*p != ',')
2942 goto chs_fail;
2943 p++;
2944 secs = strtol(p, (char **)&p, 0);
2945 if (secs < 1 || secs > 63)
2946 goto chs_fail;
2947 if (*p == ',') {
2948 p++;
2949 if (!strcmp(p, "large")) {
2950 translation = BIOS_ATA_TRANSLATION_LARGE;
2951 } else if (!strcmp(p, "rechs")) {
2952 translation = BIOS_ATA_TRANSLATION_RECHS;
2953 } else if (!strcmp(p, "none")) {
2954 translation = BIOS_ATA_TRANSLATION_NONE;
2955 } else if (!strcmp(p, "lba")) {
2956 translation = BIOS_ATA_TRANSLATION_LBA;
2957 } else if (!strcmp(p, "auto")) {
2958 translation = BIOS_ATA_TRANSLATION_AUTO;
2959 } else {
2960 goto chs_fail;
2961 }
2962 } else if (*p != '\0') {
2963 chs_fail:
2964 fprintf(stderr, "qemu: invalid physical CHS format\n");
2965 exit(1);
2966 }
2967 if (hda_opts != NULL) {
2968 qemu_opt_set_number(hda_opts, "cyls", cyls,
2969 &error_abort);
2970 qemu_opt_set_number(hda_opts, "heads", heads,
2971 &error_abort);
2972 qemu_opt_set_number(hda_opts, "secs", secs,
2973 &error_abort);
2974 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2975 qemu_opt_set(hda_opts, "trans", "large",
2976 &error_abort);
2977 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2978 qemu_opt_set(hda_opts, "trans", "rechs",
2979 &error_abort);
2980 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2981 qemu_opt_set(hda_opts, "trans", "lba",
2982 &error_abort);
2983 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2984 qemu_opt_set(hda_opts, "trans", "none",
2985 &error_abort);
2986 }
2987 }
2988 }
2989 break;
2990 case QEMU_OPTION_numa:
2991 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2992 if (!opts) {
2993 exit(1);
2994 }
2995 break;
2996 case QEMU_OPTION_display:
2997 display_type = select_display(optarg);
2998 break;
2999 case QEMU_OPTION_nographic:
3000 display_type = DT_NOGRAPHIC;
3001 break;
3002 case QEMU_OPTION_curses:
3003 #ifdef CONFIG_CURSES
3004 display_type = DT_CURSES;
3005 #else
3006 fprintf(stderr, "Curses support is disabled\n");
3007 exit(1);
3008 #endif
3009 break;
3010 case QEMU_OPTION_portrait:
3011 graphic_rotate = 90;
3012 break;
3013 case QEMU_OPTION_rotate:
3014 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3015 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3016 graphic_rotate != 180 && graphic_rotate != 270) {
3017 fprintf(stderr,
3018 "qemu: only 90, 180, 270 deg rotation is available\n");
3019 exit(1);
3020 }
3021 break;
3022 case QEMU_OPTION_kernel:
3023 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3024 &error_abort);
3025 break;
3026 case QEMU_OPTION_initrd:
3027 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3028 &error_abort);
3029 break;
3030 case QEMU_OPTION_append:
3031 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3032 &error_abort);
3033 break;
3034 case QEMU_OPTION_dtb:
3035 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3036 &error_abort);
3037 break;
3038 case QEMU_OPTION_cdrom:
3039 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3040 break;
3041 case QEMU_OPTION_boot:
3042 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3043 if (!opts) {
3044 exit(1);
3045 }
3046 break;
3047 case QEMU_OPTION_fda:
3048 case QEMU_OPTION_fdb:
3049 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3050 optarg, FD_OPTS);
3051 break;
3052 case QEMU_OPTION_no_fd_bootchk:
3053 fd_bootchk = 0;
3054 break;
3055 case QEMU_OPTION_netdev:
3056 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3057 exit(1);
3058 }
3059 break;
3060 case QEMU_OPTION_net:
3061 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3062 exit(1);
3063 }
3064 break;
3065 #ifdef CONFIG_LIBISCSI
3066 case QEMU_OPTION_iscsi:
3067 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3068 if (!opts) {
3069 exit(1);
3070 }
3071 break;
3072 #endif
3073 #ifdef CONFIG_SLIRP
3074 case QEMU_OPTION_tftp:
3075 legacy_tftp_prefix = optarg;
3076 break;
3077 case QEMU_OPTION_bootp:
3078 legacy_bootp_filename = optarg;
3079 break;
3080 case QEMU_OPTION_redir:
3081 if (net_slirp_redir(optarg) < 0)
3082 exit(1);
3083 break;
3084 #endif
3085 case QEMU_OPTION_bt:
3086 add_device_config(DEV_BT, optarg);
3087 break;
3088 case QEMU_OPTION_audio_help:
3089 AUD_help ();
3090 exit (0);
3091 break;
3092 case QEMU_OPTION_soundhw:
3093 select_soundhw (optarg);
3094 break;
3095 case QEMU_OPTION_h:
3096 help(0);
3097 break;
3098 case QEMU_OPTION_version:
3099 version();
3100 exit(0);
3101 break;
3102 case QEMU_OPTION_m:
3103 opts = qemu_opts_parse(qemu_find_opts("memory"),
3104 optarg, 1);
3105 if (!opts) {
3106 exit(EXIT_FAILURE);
3107 }
3108 break;
3109 #ifdef CONFIG_TPM
3110 case QEMU_OPTION_tpmdev:
3111 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3112 exit(1);
3113 }
3114 break;
3115 #endif
3116 case QEMU_OPTION_mempath:
3117 mem_path = optarg;
3118 break;
3119 case QEMU_OPTION_mem_prealloc:
3120 mem_prealloc = 1;
3121 break;
3122 case QEMU_OPTION_d:
3123 log_mask = optarg;
3124 break;
3125 case QEMU_OPTION_D:
3126 log_file = optarg;
3127 break;
3128 case QEMU_OPTION_s:
3129 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3130 break;
3131 case QEMU_OPTION_gdb:
3132 add_device_config(DEV_GDB, optarg);
3133 break;
3134 case QEMU_OPTION_L:
3135 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3136 data_dir[data_dir_idx++] = optarg;
3137 }
3138 break;
3139 case QEMU_OPTION_bios:
3140 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3141 &error_abort);
3142 break;
3143 case QEMU_OPTION_singlestep:
3144 singlestep = 1;
3145 break;
3146 case QEMU_OPTION_S:
3147 autostart = 0;
3148 break;
3149 case QEMU_OPTION_k:
3150 keyboard_layout = optarg;
3151 break;
3152 case QEMU_OPTION_localtime:
3153 rtc_utc = 0;
3154 break;
3155 case QEMU_OPTION_vga:
3156 vga_model = optarg;
3157 default_vga = 0;
3158 break;
3159 case QEMU_OPTION_g:
3160 {
3161 const char *p;
3162 int w, h, depth;
3163 p = optarg;
3164 w = strtol(p, (char **)&p, 10);
3165 if (w <= 0) {
3166 graphic_error:
3167 fprintf(stderr, "qemu: invalid resolution or depth\n");
3168 exit(1);
3169 }
3170 if (*p != 'x')
3171 goto graphic_error;
3172 p++;
3173 h = strtol(p, (char **)&p, 10);
3174 if (h <= 0)
3175 goto graphic_error;
3176 if (*p == 'x') {
3177 p++;
3178 depth = strtol(p, (char **)&p, 10);
3179 if (depth != 8 && depth != 15 && depth != 16 &&
3180 depth != 24 && depth != 32)
3181 goto graphic_error;
3182 } else if (*p == '\0') {
3183 depth = graphic_depth;
3184 } else {
3185 goto graphic_error;
3186 }
3187
3188 graphic_width = w;
3189 graphic_height = h;
3190 graphic_depth = depth;
3191 }
3192 break;
3193 case QEMU_OPTION_echr:
3194 {
3195 char *r;
3196 term_escape_char = strtol(optarg, &r, 0);
3197 if (r == optarg)
3198 printf("Bad argument to echr\n");
3199 break;
3200 }
3201 case QEMU_OPTION_monitor:
3202 default_monitor = 0;
3203 if (strncmp(optarg, "none", 4)) {
3204 monitor_parse(optarg, "readline", false);
3205 }
3206 break;
3207 case QEMU_OPTION_qmp:
3208 monitor_parse(optarg, "control", false);
3209 default_monitor = 0;
3210 break;
3211 case QEMU_OPTION_qmp_pretty:
3212 monitor_parse(optarg, "control", true);
3213 default_monitor = 0;
3214 break;
3215 case QEMU_OPTION_mon:
3216 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3217 if (!opts) {
3218 exit(1);
3219 }
3220 default_monitor = 0;
3221 break;
3222 case QEMU_OPTION_chardev:
3223 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3224 if (!opts) {
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_fsdev:
3229 olist = qemu_find_opts("fsdev");
3230 if (!olist) {
3231 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3232 exit(1);
3233 }
3234 opts = qemu_opts_parse(olist, optarg, 1);
3235 if (!opts) {
3236 exit(1);
3237 }
3238 break;
3239 case QEMU_OPTION_virtfs: {
3240 QemuOpts *fsdev;
3241 QemuOpts *device;
3242 const char *writeout, *sock_fd, *socket;
3243
3244 olist = qemu_find_opts("virtfs");
3245 if (!olist) {
3246 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3247 exit(1);
3248 }
3249 opts = qemu_opts_parse(olist, optarg, 1);
3250 if (!opts) {
3251 exit(1);
3252 }
3253
3254 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3255 qemu_opt_get(opts, "mount_tag") == NULL) {
3256 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3257 exit(1);
3258 }
3259 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3260 qemu_opt_get(opts, "mount_tag"),
3261 1, NULL);
3262 if (!fsdev) {
3263 fprintf(stderr, "duplicate fsdev id: %s\n",
3264 qemu_opt_get(opts, "mount_tag"));
3265 exit(1);
3266 }
3267
3268 writeout = qemu_opt_get(opts, "writeout");
3269 if (writeout) {
3270 #ifdef CONFIG_SYNC_FILE_RANGE
3271 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3272 #else
3273 fprintf(stderr, "writeout=immediate not supported on "
3274 "this platform\n");
3275 exit(1);
3276 #endif
3277 }
3278 qemu_opt_set(fsdev, "fsdriver",
3279 qemu_opt_get(opts, "fsdriver"), &error_abort);
3280 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3281 &error_abort);
3282 qemu_opt_set(fsdev, "security_model",
3283 qemu_opt_get(opts, "security_model"),
3284 &error_abort);
3285 socket = qemu_opt_get(opts, "socket");
3286 if (socket) {
3287 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3288 }
3289 sock_fd = qemu_opt_get(opts, "sock_fd");
3290 if (sock_fd) {
3291 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3292 }
3293
3294 qemu_opt_set_bool(fsdev, "readonly",
3295 qemu_opt_get_bool(opts, "readonly", 0),
3296 &error_abort);
3297 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3298 &error_abort);
3299 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3300 qemu_opt_set(device, "fsdev",
3301 qemu_opt_get(opts, "mount_tag"), &error_abort);
3302 qemu_opt_set(device, "mount_tag",
3303 qemu_opt_get(opts, "mount_tag"), &error_abort);
3304 break;
3305 }
3306 case QEMU_OPTION_virtfs_synth: {
3307 QemuOpts *fsdev;
3308 QemuOpts *device;
3309
3310 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3311 1, NULL);
3312 if (!fsdev) {
3313 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3314 exit(1);
3315 }
3316 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3317
3318 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3319 &error_abort);
3320 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3321 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3322 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3323 break;
3324 }
3325 case QEMU_OPTION_serial:
3326 add_device_config(DEV_SERIAL, optarg);
3327 default_serial = 0;
3328 if (strncmp(optarg, "mon:", 4) == 0) {
3329 default_monitor = 0;
3330 }
3331 break;
3332 case QEMU_OPTION_watchdog:
3333 if (watchdog) {
3334 fprintf(stderr,
3335 "qemu: only one watchdog option may be given\n");
3336 return 1;
3337 }
3338 watchdog = optarg;
3339 break;
3340 case QEMU_OPTION_watchdog_action:
3341 if (select_watchdog_action(optarg) == -1) {
3342 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3343 exit(1);
3344 }
3345 break;
3346 case QEMU_OPTION_virtiocon:
3347 add_device_config(DEV_VIRTCON, optarg);
3348 default_virtcon = 0;
3349 if (strncmp(optarg, "mon:", 4) == 0) {
3350 default_monitor = 0;
3351 }
3352 break;
3353 case QEMU_OPTION_parallel:
3354 add_device_config(DEV_PARALLEL, optarg);
3355 default_parallel = 0;
3356 if (strncmp(optarg, "mon:", 4) == 0) {
3357 default_monitor = 0;
3358 }
3359 break;
3360 case QEMU_OPTION_debugcon:
3361 add_device_config(DEV_DEBUGCON, optarg);
3362 break;
3363 case QEMU_OPTION_loadvm:
3364 loadvm = optarg;
3365 break;
3366 case QEMU_OPTION_full_screen:
3367 full_screen = 1;
3368 break;
3369 case QEMU_OPTION_no_frame:
3370 no_frame = 1;
3371 break;
3372 case QEMU_OPTION_alt_grab:
3373 alt_grab = 1;
3374 break;
3375 case QEMU_OPTION_ctrl_grab:
3376 ctrl_grab = 1;
3377 break;
3378 case QEMU_OPTION_no_quit:
3379 no_quit = 1;
3380 break;
3381 case QEMU_OPTION_sdl:
3382 #ifdef CONFIG_SDL
3383 display_type = DT_SDL;
3384 break;
3385 #else
3386 fprintf(stderr, "SDL support is disabled\n");
3387 exit(1);
3388 #endif
3389 case QEMU_OPTION_pidfile:
3390 pid_file = optarg;
3391 break;
3392 case QEMU_OPTION_win2k_hack:
3393 win2k_install_hack = 1;
3394 break;
3395 case QEMU_OPTION_rtc_td_hack: {
3396 static GlobalProperty slew_lost_ticks[] = {
3397 {
3398 .driver = "mc146818rtc",
3399 .property = "lost_tick_policy",
3400 .value = "slew",
3401 },
3402 { /* end of list */ }
3403 };
3404
3405 qdev_prop_register_global_list(slew_lost_ticks);
3406 break;
3407 }
3408 case QEMU_OPTION_acpitable:
3409 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3410 if (!opts) {
3411 exit(1);
3412 }
3413 do_acpitable_option(opts);
3414 break;
3415 case QEMU_OPTION_smbios:
3416 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3417 if (!opts) {
3418 exit(1);
3419 }
3420 do_smbios_option(opts);
3421 break;
3422 case QEMU_OPTION_enable_kvm:
3423 olist = qemu_find_opts("machine");
3424 qemu_opts_parse(olist, "accel=kvm", 0);
3425 break;
3426 case QEMU_OPTION_M:
3427 case QEMU_OPTION_machine:
3428 olist = qemu_find_opts("machine");
3429 opts = qemu_opts_parse(olist, optarg, 1);
3430 if (!opts) {
3431 exit(1);
3432 }
3433 break;
3434 case QEMU_OPTION_no_kvm:
3435 olist = qemu_find_opts("machine");
3436 qemu_opts_parse(olist, "accel=tcg", 0);
3437 break;
3438 case QEMU_OPTION_no_kvm_pit: {
3439 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3440 "separately.\n");
3441 break;
3442 }
3443 case QEMU_OPTION_no_kvm_pit_reinjection: {
3444 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3445 {
3446 .driver = "kvm-pit",
3447 .property = "lost_tick_policy",
3448 .value = "discard",
3449 },
3450 { /* end of list */ }
3451 };
3452
3453 fprintf(stderr, "Warning: option deprecated, use "
3454 "lost_tick_policy property of kvm-pit instead.\n");
3455 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3456 break;
3457 }
3458 case QEMU_OPTION_usb:
3459 olist = qemu_find_opts("machine");
3460 qemu_opts_parse(olist, "usb=on", 0);
3461 break;
3462 case QEMU_OPTION_usbdevice:
3463 olist = qemu_find_opts("machine");
3464 qemu_opts_parse(olist, "usb=on", 0);
3465 add_device_config(DEV_USB, optarg);
3466 break;
3467 case QEMU_OPTION_device:
3468 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3469 exit(1);
3470 }
3471 break;
3472 case QEMU_OPTION_smp:
3473 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3474 exit(1);
3475 }
3476 break;
3477 case QEMU_OPTION_vnc:
3478 #ifdef CONFIG_VNC
3479 if (vnc_parse_func(optarg) == NULL) {
3480 exit(1);
3481 }
3482 #else
3483 fprintf(stderr, "VNC support is disabled\n");
3484 exit(1);
3485 #endif
3486 break;
3487 case QEMU_OPTION_no_acpi:
3488 acpi_enabled = 0;
3489 break;
3490 case QEMU_OPTION_no_hpet:
3491 no_hpet = 1;
3492 break;
3493 case QEMU_OPTION_balloon:
3494 if (balloon_parse(optarg) < 0) {
3495 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3496 exit(1);
3497 }
3498 break;
3499 case QEMU_OPTION_no_reboot:
3500 no_reboot = 1;
3501 break;
3502 case QEMU_OPTION_no_shutdown:
3503 no_shutdown = 1;
3504 break;
3505 case QEMU_OPTION_show_cursor:
3506 cursor_hide = 0;
3507 break;
3508 case QEMU_OPTION_uuid:
3509 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3510 fprintf(stderr, "Fail to parse UUID string."
3511 " Wrong format.\n");
3512 exit(1);
3513 }
3514 qemu_uuid_set = true;
3515 break;
3516 case QEMU_OPTION_option_rom:
3517 if (nb_option_roms >= MAX_OPTION_ROMS) {
3518 fprintf(stderr, "Too many option ROMs\n");
3519 exit(1);
3520 }
3521 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3522 if (!opts) {
3523 exit(1);
3524 }
3525 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3526 option_rom[nb_option_roms].bootindex =
3527 qemu_opt_get_number(opts, "bootindex", -1);
3528 if (!option_rom[nb_option_roms].name) {
3529 fprintf(stderr, "Option ROM file is not specified\n");
3530 exit(1);
3531 }
3532 nb_option_roms++;
3533 break;
3534 case QEMU_OPTION_semihosting:
3535 semihosting_enabled = 1;
3536 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3537 break;
3538 case QEMU_OPTION_semihosting_config:
3539 semihosting_enabled = 1;
3540 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3541 optarg, 0);
3542 if (opts != NULL) {
3543 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3544 true);
3545 const char *target = qemu_opt_get(opts, "target");
3546 if (target != NULL) {
3547 if (strcmp("native", target) == 0) {
3548 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3549 } else if (strcmp("gdb", target) == 0) {
3550 semihosting_target = SEMIHOSTING_TARGET_GDB;
3551 } else if (strcmp("auto", target) == 0) {
3552 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3553 } else {
3554 fprintf(stderr, "Unsupported semihosting-config"
3555 " %s\n",
3556 optarg);
3557 exit(1);
3558 }
3559 } else {
3560 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3561 }
3562 } else {
3563 fprintf(stderr, "Unsupported semihosting-config %s\n",
3564 optarg);
3565 exit(1);
3566 }
3567 break;
3568 case QEMU_OPTION_tdf:
3569 fprintf(stderr, "Warning: user space PIT time drift fix "
3570 "is no longer supported.\n");
3571 break;
3572 case QEMU_OPTION_name:
3573 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3574 if (!opts) {
3575 exit(1);
3576 }
3577 break;
3578 case QEMU_OPTION_prom_env:
3579 if (nb_prom_envs >= MAX_PROM_ENVS) {
3580 fprintf(stderr, "Too many prom variables\n");
3581 exit(1);
3582 }
3583 prom_envs[nb_prom_envs] = optarg;
3584 nb_prom_envs++;
3585 break;
3586 case QEMU_OPTION_old_param:
3587 old_param = 1;
3588 break;
3589 case QEMU_OPTION_clock:
3590 /* Clock options no longer exist. Keep this option for
3591 * backward compatibility.
3592 */
3593 break;
3594 case QEMU_OPTION_startdate:
3595 configure_rtc_date_offset(optarg, 1);
3596 break;
3597 case QEMU_OPTION_rtc:
3598 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3599 if (!opts) {
3600 exit(1);
3601 }
3602 configure_rtc(opts);
3603 break;
3604 case QEMU_OPTION_tb_size:
3605 tcg_tb_size = strtol(optarg, NULL, 0);
3606 if (tcg_tb_size < 0) {
3607 tcg_tb_size = 0;
3608 }
3609 break;
3610 case QEMU_OPTION_icount:
3611 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3612 optarg, 1);
3613 if (!icount_opts) {
3614 exit(1);
3615 }
3616 break;
3617 case QEMU_OPTION_incoming:
3618 incoming = optarg;
3619 runstate_set(RUN_STATE_INMIGRATE);
3620 break;
3621 case QEMU_OPTION_nodefaults:
3622 has_defaults = 0;
3623 break;
3624 case QEMU_OPTION_xen_domid:
3625 if (!(xen_available())) {
3626 printf("Option %s not supported for this target\n", popt->name);
3627 exit(1);
3628 }
3629 xen_domid = atoi(optarg);
3630 break;
3631 case QEMU_OPTION_xen_create:
3632 if (!(xen_available())) {
3633 printf("Option %s not supported for this target\n", popt->name);
3634 exit(1);
3635 }
3636 xen_mode = XEN_CREATE;
3637 break;
3638 case QEMU_OPTION_xen_attach:
3639 if (!(xen_available())) {
3640 printf("Option %s not supported for this target\n", popt->name);
3641 exit(1);
3642 }
3643 xen_mode = XEN_ATTACH;
3644 break;
3645 case QEMU_OPTION_trace:
3646 {
3647 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 trace_events = qemu_opt_get(opts, "events");
3652 trace_file = qemu_opt_get(opts, "file");
3653 break;
3654 }
3655 case QEMU_OPTION_readconfig:
3656 {
3657 int ret = qemu_read_config_file(optarg);
3658 if (ret < 0) {
3659 fprintf(stderr, "read config %s: %s\n", optarg,
3660 strerror(-ret));
3661 exit(1);
3662 }
3663 break;
3664 }
3665 case QEMU_OPTION_spice:
3666 olist = qemu_find_opts("spice");
3667 if (!olist) {
3668 fprintf(stderr, "spice is not supported by this qemu build.\n");
3669 exit(1);
3670 }
3671 opts = qemu_opts_parse(olist, optarg, 0);
3672 if (!opts) {
3673 exit(1);
3674 }
3675 display_remote++;
3676 break;
3677 case QEMU_OPTION_writeconfig:
3678 {
3679 FILE *fp;
3680 if (strcmp(optarg, "-") == 0) {
3681 fp = stdout;
3682 } else {
3683 fp = fopen(optarg, "w");
3684 if (fp == NULL) {
3685 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3686 exit(1);
3687 }
3688 }
3689 qemu_config_write(fp);
3690 if (fp != stdout) {
3691 fclose(fp);
3692 }
3693 break;
3694 }
3695 case QEMU_OPTION_qtest:
3696 qtest_chrdev = optarg;
3697 break;
3698 case QEMU_OPTION_qtest_log:
3699 qtest_log = optarg;
3700 break;
3701 case QEMU_OPTION_sandbox:
3702 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3703 if (!opts) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_add_fd:
3708 #ifndef _WIN32
3709 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3710 if (!opts) {
3711 exit(1);
3712 }
3713 #else
3714 error_report("File descriptor passing is disabled on this "
3715 "platform");
3716 exit(1);
3717 #endif
3718 break;
3719 case QEMU_OPTION_object:
3720 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3721 if (!opts) {
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_realtime:
3726 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3727 if (!opts) {
3728 exit(1);
3729 }
3730 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3731 break;
3732 case QEMU_OPTION_msg:
3733 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 configure_msg(opts);
3738 break;
3739 case QEMU_OPTION_dump_vmstate:
3740 if (vmstate_dump_file) {
3741 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3742 "option may be given\n");
3743 exit(1);
3744 }
3745 vmstate_dump_file = fopen(optarg, "w");
3746 if (vmstate_dump_file == NULL) {
3747 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3748 exit(1);
3749 }
3750 break;
3751 default:
3752 os_parse_cmd_args(popt->index, optarg);
3753 }
3754 }
3755 }
3756
3757 opts = qemu_get_machine_opts();
3758 optarg = qemu_opt_get(opts, "type");
3759 if (optarg) {
3760 machine_class = machine_parse(optarg);
3761 }
3762
3763 set_memory_options(&ram_slots, &maxram_size);
3764
3765 loc_set_none();
3766
3767 os_daemonize();
3768
3769 if (qemu_init_main_loop(&main_loop_err)) {
3770 error_report_err(main_loop_err);
3771 exit(1);
3772 }
3773
3774 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3775 exit(1);
3776 }
3777
3778 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3779 exit(1);
3780 }
3781
3782 #ifndef _WIN32
3783 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3784 exit(1);
3785 }
3786
3787 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3788 exit(1);
3789 }
3790 #endif
3791
3792 if (machine_class == NULL) {
3793 fprintf(stderr, "No machine specified, and there is no default.\n"
3794 "Use -machine help to list supported machines!\n");
3795 exit(1);
3796 }
3797
3798 current_machine = MACHINE(object_new(object_class_get_name(
3799 OBJECT_CLASS(machine_class))));
3800 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3801 exit(0);
3802 }
3803 object_property_add_child(object_get_root(), "machine",
3804 OBJECT(current_machine), &error_abort);
3805 cpu_exec_init_all();
3806
3807 if (machine_class->hw_version) {
3808 qemu_set_version(machine_class->hw_version);
3809 }
3810
3811 /* Init CPU def lists, based on config
3812 * - Must be called after all the qemu_read_config_file() calls
3813 * - Must be called before list_cpus()
3814 * - Must be called before machine->init()
3815 */
3816 cpudef_init();
3817
3818 if (cpu_model && is_help_option(cpu_model)) {
3819 list_cpus(stdout, &fprintf, cpu_model);
3820 exit(0);
3821 }
3822
3823 /* Open the logfile at this point, if necessary. We can't open the logfile
3824 * when encountering either of the logging options (-d or -D) because the
3825 * other one may be encountered later on the command line, changing the
3826 * location or level of logging.
3827 */
3828 if (log_mask) {
3829 int mask;
3830 if (log_file) {
3831 qemu_set_log_filename(log_file);
3832 }
3833
3834 mask = qemu_str_to_log_mask(log_mask);
3835 if (!mask) {
3836 qemu_print_log_usage(stdout);
3837 exit(1);
3838 }
3839 qemu_set_log(mask);
3840 }
3841
3842 if (!is_daemonized()) {
3843 if (!trace_init_backends(trace_events, trace_file)) {
3844 exit(1);
3845 }
3846 }
3847
3848 /* If no data_dir is specified then try to find it relative to the
3849 executable path. */
3850 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3851 data_dir[data_dir_idx] = os_find_datadir();
3852 if (data_dir[data_dir_idx] != NULL) {
3853 data_dir_idx++;
3854 }
3855 }
3856 /* If all else fails use the install path specified when building. */
3857 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3858 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3859 }
3860
3861 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3862
3863 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3864 if (max_cpus > machine_class->max_cpus) {
3865 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3866 "supported by machine `%s' (%d)\n", max_cpus,
3867 machine_class->name, machine_class->max_cpus);
3868 exit(1);
3869 }
3870
3871 /*
3872 * Get the default machine options from the machine if it is not already
3873 * specified either by the configuration file or by the command line.
3874 */
3875 if (machine_class->default_machine_opts) {
3876 qemu_opts_set_defaults(qemu_find_opts("machine"),
3877 machine_class->default_machine_opts, 0);
3878 }
3879
3880 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3881 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3882
3883 if (!vga_model && !default_vga) {
3884 vga_interface_type = VGA_DEVICE;
3885 }
3886 if (!has_defaults || machine_class->no_serial) {
3887 default_serial = 0;
3888 }
3889 if (!has_defaults || machine_class->no_parallel) {
3890 default_parallel = 0;
3891 }
3892 if (!has_defaults || !machine_class->use_virtcon) {
3893 default_virtcon = 0;
3894 }
3895 if (!has_defaults || !machine_class->use_sclp) {
3896 default_sclp = 0;
3897 }
3898 if (!has_defaults || machine_class->no_floppy) {
3899 default_floppy = 0;
3900 }
3901 if (!has_defaults || machine_class->no_cdrom) {
3902 default_cdrom = 0;
3903 }
3904 if (!has_defaults || machine_class->no_sdcard) {
3905 default_sdcard = 0;
3906 }
3907 if (!has_defaults) {
3908 default_monitor = 0;
3909 default_net = 0;
3910 default_vga = 0;
3911 }
3912
3913 if (is_daemonized()) {
3914 /* According to documentation and historically, -nographic redirects
3915 * serial port, parallel port and monitor to stdio, which does not work
3916 * with -daemonize. We can redirect these to null instead, but since
3917 * -nographic is legacy, let's just error out.
3918 * We disallow -nographic only if all other ports are not redirected
3919 * explicitly, to not break existing legacy setups which uses
3920 * -nographic _and_ redirects all ports explicitly - this is valid
3921 * usage, -nographic is just a no-op in this case.
3922 */
3923 if (display_type == DT_NOGRAPHIC
3924 && (default_parallel || default_serial
3925 || default_monitor || default_virtcon)) {
3926 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3927 exit(1);
3928 }
3929 #ifdef CONFIG_CURSES
3930 if (display_type == DT_CURSES) {
3931 fprintf(stderr, "curses display can not be used with -daemonize\n");
3932 exit(1);
3933 }
3934 #endif
3935 }
3936
3937 if (display_type == DT_NOGRAPHIC) {
3938 if (default_parallel)
3939 add_device_config(DEV_PARALLEL, "null");
3940 if (default_serial && default_monitor) {
3941 add_device_config(DEV_SERIAL, "mon:stdio");
3942 } else if (default_virtcon && default_monitor) {
3943 add_device_config(DEV_VIRTCON, "mon:stdio");
3944 } else if (default_sclp && default_monitor) {
3945 add_device_config(DEV_SCLP, "mon:stdio");
3946 } else {
3947 if (default_serial)
3948 add_device_config(DEV_SERIAL, "stdio");
3949 if (default_virtcon)
3950 add_device_config(DEV_VIRTCON, "stdio");
3951 if (default_sclp) {
3952 add_device_config(DEV_SCLP, "stdio");
3953 }
3954 if (default_monitor)
3955 monitor_parse("stdio", "readline", false);
3956 }
3957 } else {
3958 if (default_serial)
3959 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3960 if (default_parallel)
3961 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3962 if (default_monitor)
3963 monitor_parse("vc:80Cx24C", "readline", false);
3964 if (default_virtcon)
3965 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3966 if (default_sclp) {
3967 add_device_config(DEV_SCLP, "vc:80Cx24C");
3968 }
3969 }
3970
3971 #if defined(CONFIG_VNC)
3972 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3973 display_remote++;
3974 }
3975 #endif
3976 if (display_type == DT_DEFAULT && !display_remote) {
3977 #if defined(CONFIG_GTK)
3978 display_type = DT_GTK;
3979 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3980 display_type = DT_SDL;
3981 #elif defined(CONFIG_VNC)
3982 vnc_parse_func("localhost:0,to=99,id=default");
3983 show_vnc_port = 1;
3984 #else
3985 display_type = DT_NONE;
3986 #endif
3987 }
3988
3989 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3990 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3991 "for SDL, ignoring option\n");
3992 }
3993 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3994 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3995 "ignoring option\n");
3996 }
3997
3998 #if defined(CONFIG_GTK)
3999 if (display_type == DT_GTK) {
4000 early_gtk_display_init();
4001 }
4002 #endif
4003
4004 socket_init();
4005
4006 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4007 exit(1);
4008 #ifdef CONFIG_VIRTFS
4009 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4010 exit(1);
4011 }
4012 #endif
4013
4014 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4015 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4016 exit(1);
4017 }
4018
4019 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4020 != 0) {
4021 exit(0);
4022 }
4023
4024 if (qemu_opts_foreach(qemu_find_opts("object"),
4025 object_create, NULL, 0) != 0) {
4026 exit(1);
4027 }
4028
4029 machine_opts = qemu_get_machine_opts();
4030 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4031 1) < 0) {
4032 object_unref(OBJECT(current_machine));
4033 exit(1);
4034 }
4035
4036 configure_accelerator(current_machine);
4037
4038 if (qtest_chrdev) {
4039 Error *local_err = NULL;
4040 qtest_init(qtest_chrdev, qtest_log, &local_err);
4041 if (local_err) {
4042 error_report_err(local_err);
4043 exit(1);
4044 }
4045 }
4046
4047 machine_opts = qemu_get_machine_opts();
4048 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4049 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4050 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4051 bios_name = qemu_opt_get(machine_opts, "firmware");
4052
4053 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4054 if (opts) {
4055 Error *local_err = NULL;
4056
4057 boot_order = qemu_opt_get(opts, "order");
4058 if (boot_order) {
4059 validate_bootdevices(boot_order, &local_err);
4060 if (local_err) {
4061 error_report_err(local_err);
4062 exit(1);
4063 }
4064 }
4065
4066 boot_once = qemu_opt_get(opts, "once");
4067 if (boot_once) {
4068 validate_bootdevices(boot_once, &local_err);
4069 if (local_err) {
4070 error_report_err(local_err);
4071 exit(1);
4072 }
4073 }
4074
4075 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4076 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4077 }
4078
4079 if (!boot_order) {
4080 boot_order = machine_class->default_boot_order;
4081 }
4082
4083 if (!kernel_cmdline) {
4084 kernel_cmdline = "";
4085 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4086 }
4087
4088 linux_boot = (kernel_filename != NULL);
4089
4090 if (!linux_boot && *kernel_cmdline != '\0') {
4091 fprintf(stderr, "-append only allowed with -kernel option\n");
4092 exit(1);
4093 }
4094
4095 if (!linux_boot && initrd_filename != NULL) {
4096 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4097 exit(1);
4098 }
4099
4100 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4101 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4102 exit(1);
4103 }
4104
4105 os_set_line_buffering();
4106
4107 #ifdef CONFIG_SPICE
4108 /* spice needs the timers to be initialized by this point */
4109 qemu_spice_init();
4110 #endif
4111
4112 cpu_ticks_init();
4113 if (icount_opts) {
4114 if (kvm_enabled() || xen_enabled()) {
4115 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4116 exit(1);
4117 }
4118 configure_icount(icount_opts, &error_abort);
4119 qemu_opts_del(icount_opts);
4120 }
4121
4122 /* clean up network at qemu process termination */
4123 atexit(&net_cleanup);
4124
4125 if (net_init_clients() < 0) {
4126 exit(1);
4127 }
4128
4129 #ifdef CONFIG_TPM
4130 if (tpm_init() < 0) {
4131 exit(1);
4132 }
4133 #endif
4134
4135 /* init the bluetooth world */
4136 if (foreach_device_config(DEV_BT, bt_parse))
4137 exit(1);
4138
4139 if (!xen_enabled()) {
4140 /* On 32-bit hosts, QEMU is limited by virtual address space */
4141 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4142 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4143 exit(1);
4144 }
4145 }
4146
4147 blk_mig_init();
4148 ram_mig_init();
4149
4150 /* If the currently selected machine wishes to override the units-per-bus
4151 * property of its default HBA interface type, do so now. */
4152 if (machine_class->units_per_default_bus) {
4153 override_max_devs(machine_class->block_default_type,
4154 machine_class->units_per_default_bus);
4155 }
4156
4157 /* open the virtual block devices */
4158 if (snapshot)
4159 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4160 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4161 &machine_class->block_default_type, 1) != 0) {
4162 exit(1);
4163 }
4164
4165 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4166 CDROM_OPTS);
4167 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4168 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4169
4170 parse_numa_opts();
4171
4172 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4173 exit(1);
4174 }
4175
4176 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4177 exit(1);
4178 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4179 exit(1);
4180 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4181 exit(1);
4182 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4183 exit(1);
4184 }
4185 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4186 exit(1);
4187
4188 /* If no default VGA is requested, the default is "none". */
4189 if (default_vga) {
4190 if (machine_class->default_display) {
4191 vga_model = machine_class->default_display;
4192 } else if (cirrus_vga_available()) {
4193 vga_model = "cirrus";
4194 } else if (vga_available()) {
4195 vga_model = "std";
4196 }
4197 }
4198 if (vga_model) {
4199 select_vgahw(vga_model);
4200 }
4201
4202 if (watchdog) {
4203 i = select_watchdog(watchdog);
4204 if (i > 0)
4205 exit (i == 1 ? 1 : 0);
4206 }
4207
4208 if (machine_class->compat_props) {
4209 qdev_prop_register_global_list(machine_class->compat_props);
4210 }
4211 qemu_add_globals();
4212
4213 qdev_machine_init();
4214
4215 current_machine->ram_size = ram_size;
4216 current_machine->maxram_size = maxram_size;
4217 current_machine->ram_slots = ram_slots;
4218 current_machine->boot_order = boot_order;
4219 current_machine->cpu_model = cpu_model;
4220
4221 machine_class->init(current_machine);
4222
4223 realtime_init();
4224
4225 audio_init();
4226
4227 cpu_synchronize_all_post_init();
4228
4229 numa_post_machine_init();
4230
4231 /* init USB devices */
4232 if (usb_enabled()) {
4233 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4234 exit(1);
4235 }
4236
4237 /* init generic devices */
4238 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4239 exit(1);
4240
4241 /* Did we create any drives that we failed to create a device for? */
4242 drive_check_orphaned();
4243
4244 net_check_clients();
4245
4246 if (boot_once) {
4247 Error *local_err = NULL;
4248 qemu_boot_set(boot_once, &local_err);
4249 if (local_err) {
4250 error_report("%s", error_get_pretty(local_err));
4251 exit(1);
4252 }
4253 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4254 }
4255
4256 ds = init_displaystate();
4257
4258 /* init local displays */
4259 switch (display_type) {
4260 case DT_NOGRAPHIC:
4261 (void)ds; /* avoid warning if no display is configured */
4262 break;
4263 #if defined(CONFIG_CURSES)
4264 case DT_CURSES:
4265 curses_display_init(ds, full_screen);
4266 break;
4267 #endif
4268 #if defined(CONFIG_SDL)
4269 case DT_SDL:
4270 sdl_display_init(ds, full_screen, no_frame);
4271 break;
4272 #elif defined(CONFIG_COCOA)
4273 case DT_SDL:
4274 cocoa_display_init(ds, full_screen);
4275 break;
4276 #endif
4277 #if defined(CONFIG_GTK)
4278 case DT_GTK:
4279 gtk_display_init(ds, full_screen, grab_on_hover);
4280 break;
4281 #endif
4282 default:
4283 break;
4284 }
4285
4286 /* must be after terminal init, SDL library changes signal handlers */
4287 os_setup_signal_handling();
4288
4289 #ifdef CONFIG_VNC
4290 /* init remote displays */
4291 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4292 if (show_vnc_port) {
4293 printf("VNC server running on `%s'\n",
4294 vnc_display_local_addr("default"));
4295 }
4296 #endif
4297 #ifdef CONFIG_SPICE
4298 if (using_spice) {
4299 qemu_spice_display_init();
4300 }
4301 #endif
4302
4303 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4304 exit(1);
4305 }
4306
4307 qdev_machine_creation_done();
4308
4309 if (rom_load_all() != 0) {
4310 fprintf(stderr, "rom loading failed\n");
4311 exit(1);
4312 }
4313
4314 /* TODO: once all bus devices are qdevified, this should be done
4315 * when bus is created by qdev.c */
4316 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4317 qemu_run_machine_init_done_notifiers();
4318
4319 /* Done notifiers can load ROMs */
4320 rom_load_done();
4321
4322 qemu_system_reset(VMRESET_SILENT);
4323 if (loadvm) {
4324 if (load_vmstate(loadvm) < 0) {
4325 autostart = 0;
4326 }
4327 }
4328
4329 qdev_prop_check_globals();
4330 if (vmstate_dump_file) {
4331 /* dump and exit */
4332 dump_vmstate_json_to_file(vmstate_dump_file);
4333 return 0;
4334 }
4335
4336 if (incoming) {
4337 Error *local_err = NULL;
4338 qemu_start_incoming_migration(incoming, &local_err);
4339 if (local_err) {
4340 error_report("-incoming %s: %s", incoming,
4341 error_get_pretty(local_err));
4342 error_free(local_err);
4343 exit(1);
4344 }
4345 } else if (autostart) {
4346 vm_start();
4347 }
4348
4349 os_setup_post();
4350
4351 if (is_daemonized()) {
4352 if (!trace_init_backends(trace_events, trace_file)) {
4353 exit(1);
4354 }
4355 }
4356
4357 main_loop();
4358 bdrv_close_all();
4359 pause_all_vcpus();
4360 res_free();
4361 #ifdef CONFIG_TPM
4362 tpm_cleanup();
4363 #endif
4364
4365 return 0;
4366 }
QEMU Monitor Protocol