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Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
[mirror_qemu.git] / vl.c
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 display_remote++;
2005 if (vnc_parse_func(opts+1) == NULL) {
2006 exit(1);
2007 }
2008 } else {
2009 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2010 exit(1);
2011 }
2012 #else
2013 fprintf(stderr, "VNC support is disabled\n");
2014 exit(1);
2015 #endif
2016 } else if (strstart(p, "curses", &opts)) {
2017 #ifdef CONFIG_CURSES
2018 display = DT_CURSES;
2019 #else
2020 fprintf(stderr, "Curses support is disabled\n");
2021 exit(1);
2022 #endif
2023 } else if (strstart(p, "gtk", &opts)) {
2024 #ifdef CONFIG_GTK
2025 display = DT_GTK;
2026 while (*opts) {
2027 const char *nextopt;
2028
2029 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2030 opts = nextopt;
2031 if (strstart(opts, "on", &nextopt)) {
2032 grab_on_hover = true;
2033 } else if (strstart(opts, "off", &nextopt)) {
2034 grab_on_hover = false;
2035 } else {
2036 goto invalid_gtk_args;
2037 }
2038 } else {
2039 invalid_gtk_args:
2040 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2041 exit(1);
2042 }
2043 opts = nextopt;
2044 }
2045 #else
2046 fprintf(stderr, "GTK support is disabled\n");
2047 exit(1);
2048 #endif
2049 } else if (strstart(p, "none", &opts)) {
2050 display = DT_NONE;
2051 } else {
2052 fprintf(stderr, "Unknown display type: %s\n", p);
2053 exit(1);
2054 }
2055
2056 return display;
2057 }
2058
2059 static int balloon_parse(const char *arg)
2060 {
2061 QemuOpts *opts;
2062
2063 if (strcmp(arg, "none") == 0) {
2064 return 0;
2065 }
2066
2067 if (!strncmp(arg, "virtio", 6)) {
2068 if (arg[6] == ',') {
2069 /* have params -> parse them */
2070 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2071 if (!opts)
2072 return -1;
2073 } else {
2074 /* create empty opts */
2075 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2076 &error_abort);
2077 }
2078 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2079 return 0;
2080 }
2081
2082 return -1;
2083 }
2084
2085 char *qemu_find_file(int type, const char *name)
2086 {
2087 int i;
2088 const char *subdir;
2089 char *buf;
2090
2091 /* Try the name as a straight path first */
2092 if (access(name, R_OK) == 0) {
2093 trace_load_file(name, name);
2094 return g_strdup(name);
2095 }
2096
2097 switch (type) {
2098 case QEMU_FILE_TYPE_BIOS:
2099 subdir = "";
2100 break;
2101 case QEMU_FILE_TYPE_KEYMAP:
2102 subdir = "keymaps/";
2103 break;
2104 default:
2105 abort();
2106 }
2107
2108 for (i = 0; i < data_dir_idx; i++) {
2109 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2110 if (access(buf, R_OK) == 0) {
2111 trace_load_file(name, buf);
2112 return buf;
2113 }
2114 g_free(buf);
2115 }
2116 return NULL;
2117 }
2118
2119 static int device_help_func(QemuOpts *opts, void *opaque)
2120 {
2121 return qdev_device_help(opts);
2122 }
2123
2124 static int device_init_func(QemuOpts *opts, void *opaque)
2125 {
2126 DeviceState *dev;
2127
2128 dev = qdev_device_add(opts);
2129 if (!dev)
2130 return -1;
2131 object_unref(OBJECT(dev));
2132 return 0;
2133 }
2134
2135 static int chardev_init_func(QemuOpts *opts, void *opaque)
2136 {
2137 Error *local_err = NULL;
2138
2139 qemu_chr_new_from_opts(opts, NULL, &local_err);
2140 if (local_err) {
2141 error_report_err(local_err);
2142 return -1;
2143 }
2144 return 0;
2145 }
2146
2147 #ifdef CONFIG_VIRTFS
2148 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2149 {
2150 int ret;
2151 ret = qemu_fsdev_add(opts);
2152
2153 return ret;
2154 }
2155 #endif
2156
2157 static int mon_init_func(QemuOpts *opts, void *opaque)
2158 {
2159 CharDriverState *chr;
2160 const char *chardev;
2161 const char *mode;
2162 int flags;
2163
2164 mode = qemu_opt_get(opts, "mode");
2165 if (mode == NULL) {
2166 mode = "readline";
2167 }
2168 if (strcmp(mode, "readline") == 0) {
2169 flags = MONITOR_USE_READLINE;
2170 } else if (strcmp(mode, "control") == 0) {
2171 flags = MONITOR_USE_CONTROL;
2172 } else {
2173 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2174 exit(1);
2175 }
2176
2177 if (qemu_opt_get_bool(opts, "pretty", 0))
2178 flags |= MONITOR_USE_PRETTY;
2179
2180 if (qemu_opt_get_bool(opts, "default", 0))
2181 flags |= MONITOR_IS_DEFAULT;
2182
2183 chardev = qemu_opt_get(opts, "chardev");
2184 chr = qemu_chr_find(chardev);
2185 if (chr == NULL) {
2186 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2187 exit(1);
2188 }
2189
2190 qemu_chr_fe_claim_no_fail(chr);
2191 monitor_init(chr, flags);
2192 return 0;
2193 }
2194
2195 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2196 {
2197 static int monitor_device_index = 0;
2198 Error *local_err = NULL;
2199 QemuOpts *opts;
2200 const char *p;
2201 char label[32];
2202 int def = 0;
2203
2204 if (strstart(optarg, "chardev:", &p)) {
2205 snprintf(label, sizeof(label), "%s", p);
2206 } else {
2207 snprintf(label, sizeof(label), "compat_monitor%d",
2208 monitor_device_index);
2209 if (monitor_device_index == 0) {
2210 def = 1;
2211 }
2212 opts = qemu_chr_parse_compat(label, optarg);
2213 if (!opts) {
2214 fprintf(stderr, "parse error: %s\n", optarg);
2215 exit(1);
2216 }
2217 }
2218
2219 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2220 if (!opts) {
2221 error_report_err(local_err);
2222 exit(1);
2223 }
2224 qemu_opt_set(opts, "mode", mode, &error_abort);
2225 qemu_opt_set(opts, "chardev", label, &error_abort);
2226 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2227 if (def)
2228 qemu_opt_set(opts, "default", "on", &error_abort);
2229 monitor_device_index++;
2230 }
2231
2232 struct device_config {
2233 enum {
2234 DEV_USB, /* -usbdevice */
2235 DEV_BT, /* -bt */
2236 DEV_SERIAL, /* -serial */
2237 DEV_PARALLEL, /* -parallel */
2238 DEV_VIRTCON, /* -virtioconsole */
2239 DEV_DEBUGCON, /* -debugcon */
2240 DEV_GDB, /* -gdb, -s */
2241 DEV_SCLP, /* s390 sclp */
2242 } type;
2243 const char *cmdline;
2244 Location loc;
2245 QTAILQ_ENTRY(device_config) next;
2246 };
2247
2248 static QTAILQ_HEAD(, device_config) device_configs =
2249 QTAILQ_HEAD_INITIALIZER(device_configs);
2250
2251 static void add_device_config(int type, const char *cmdline)
2252 {
2253 struct device_config *conf;
2254
2255 conf = g_malloc0(sizeof(*conf));
2256 conf->type = type;
2257 conf->cmdline = cmdline;
2258 loc_save(&conf->loc);
2259 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2260 }
2261
2262 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2263 {
2264 struct device_config *conf;
2265 int rc;
2266
2267 QTAILQ_FOREACH(conf, &device_configs, next) {
2268 if (conf->type != type)
2269 continue;
2270 loc_push_restore(&conf->loc);
2271 rc = func(conf->cmdline);
2272 loc_pop(&conf->loc);
2273 if (rc) {
2274 return rc;
2275 }
2276 }
2277 return 0;
2278 }
2279
2280 static int serial_parse(const char *devname)
2281 {
2282 static int index = 0;
2283 char label[32];
2284
2285 if (strcmp(devname, "none") == 0)
2286 return 0;
2287 if (index == MAX_SERIAL_PORTS) {
2288 fprintf(stderr, "qemu: too many serial ports\n");
2289 exit(1);
2290 }
2291 snprintf(label, sizeof(label), "serial%d", index);
2292 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2293 if (!serial_hds[index]) {
2294 fprintf(stderr, "qemu: could not connect serial device"
2295 " to character backend '%s'\n", devname);
2296 return -1;
2297 }
2298 index++;
2299 return 0;
2300 }
2301
2302 static int parallel_parse(const char *devname)
2303 {
2304 static int index = 0;
2305 char label[32];
2306
2307 if (strcmp(devname, "none") == 0)
2308 return 0;
2309 if (index == MAX_PARALLEL_PORTS) {
2310 fprintf(stderr, "qemu: too many parallel ports\n");
2311 exit(1);
2312 }
2313 snprintf(label, sizeof(label), "parallel%d", index);
2314 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2315 if (!parallel_hds[index]) {
2316 fprintf(stderr, "qemu: could not connect parallel device"
2317 " to character backend '%s'\n", devname);
2318 return -1;
2319 }
2320 index++;
2321 return 0;
2322 }
2323
2324 static int virtcon_parse(const char *devname)
2325 {
2326 QemuOptsList *device = qemu_find_opts("device");
2327 static int index = 0;
2328 char label[32];
2329 QemuOpts *bus_opts, *dev_opts;
2330
2331 if (strcmp(devname, "none") == 0)
2332 return 0;
2333 if (index == MAX_VIRTIO_CONSOLES) {
2334 fprintf(stderr, "qemu: too many virtio consoles\n");
2335 exit(1);
2336 }
2337
2338 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2339 if (arch_type == QEMU_ARCH_S390X) {
2340 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2341 } else {
2342 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2343 }
2344
2345 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2346 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2347
2348 snprintf(label, sizeof(label), "virtcon%d", index);
2349 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2350 if (!virtcon_hds[index]) {
2351 fprintf(stderr, "qemu: could not connect virtio console"
2352 " to character backend '%s'\n", devname);
2353 return -1;
2354 }
2355 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2356
2357 index++;
2358 return 0;
2359 }
2360
2361 static int sclp_parse(const char *devname)
2362 {
2363 QemuOptsList *device = qemu_find_opts("device");
2364 static int index = 0;
2365 char label[32];
2366 QemuOpts *dev_opts;
2367
2368 if (strcmp(devname, "none") == 0) {
2369 return 0;
2370 }
2371 if (index == MAX_SCLP_CONSOLES) {
2372 fprintf(stderr, "qemu: too many sclp consoles\n");
2373 exit(1);
2374 }
2375
2376 assert(arch_type == QEMU_ARCH_S390X);
2377
2378 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2379 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2380
2381 snprintf(label, sizeof(label), "sclpcon%d", index);
2382 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2383 if (!sclp_hds[index]) {
2384 fprintf(stderr, "qemu: could not connect sclp console"
2385 " to character backend '%s'\n", devname);
2386 return -1;
2387 }
2388 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2389
2390 index++;
2391 return 0;
2392 }
2393
2394 static int debugcon_parse(const char *devname)
2395 {
2396 QemuOpts *opts;
2397
2398 if (!qemu_chr_new("debugcon", devname, NULL)) {
2399 exit(1);
2400 }
2401 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2402 if (!opts) {
2403 fprintf(stderr, "qemu: already have a debugcon device\n");
2404 exit(1);
2405 }
2406 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2407 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2408 return 0;
2409 }
2410
2411 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2412 {
2413 const MachineClass *mc1 = a, *mc2 = b;
2414 int res;
2415
2416 if (mc1->family == NULL) {
2417 if (mc2->family == NULL) {
2418 /* Compare standalone machine types against each other; they sort
2419 * in increasing order.
2420 */
2421 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2422 object_class_get_name(OBJECT_CLASS(mc2)));
2423 }
2424
2425 /* Standalone machine types sort after families. */
2426 return 1;
2427 }
2428
2429 if (mc2->family == NULL) {
2430 /* Families sort before standalone machine types. */
2431 return -1;
2432 }
2433
2434 /* Families sort between each other alphabetically increasingly. */
2435 res = strcmp(mc1->family, mc2->family);
2436 if (res != 0) {
2437 return res;
2438 }
2439
2440 /* Within the same family, machine types sort in decreasing order. */
2441 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2442 object_class_get_name(OBJECT_CLASS(mc1)));
2443 }
2444
2445 static MachineClass *machine_parse(const char *name)
2446 {
2447 MachineClass *mc = NULL;
2448 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2449
2450 if (name) {
2451 mc = find_machine(name);
2452 }
2453 if (mc) {
2454 g_slist_free(machines);
2455 return mc;
2456 }
2457 if (name && !is_help_option(name)) {
2458 error_report("Unsupported machine type");
2459 error_printf("Use -machine help to list supported machines!\n");
2460 } else {
2461 printf("Supported machines are:\n");
2462 machines = g_slist_sort(machines, machine_class_cmp);
2463 for (el = machines; el; el = el->next) {
2464 MachineClass *mc = el->data;
2465 if (mc->alias) {
2466 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2467 }
2468 printf("%-20s %s%s\n", mc->name, mc->desc,
2469 mc->is_default ? " (default)" : "");
2470 }
2471 }
2472
2473 g_slist_free(machines);
2474 exit(!name || !is_help_option(name));
2475 }
2476
2477 void qemu_add_exit_notifier(Notifier *notify)
2478 {
2479 notifier_list_add(&exit_notifiers, notify);
2480 }
2481
2482 void qemu_remove_exit_notifier(Notifier *notify)
2483 {
2484 notifier_remove(notify);
2485 }
2486
2487 static void qemu_run_exit_notifiers(void)
2488 {
2489 notifier_list_notify(&exit_notifiers, NULL);
2490 }
2491
2492 void qemu_add_machine_init_done_notifier(Notifier *notify)
2493 {
2494 notifier_list_add(&machine_init_done_notifiers, notify);
2495 }
2496
2497 static void qemu_run_machine_init_done_notifiers(void)
2498 {
2499 notifier_list_notify(&machine_init_done_notifiers, NULL);
2500 }
2501
2502 static const QEMUOption *lookup_opt(int argc, char **argv,
2503 const char **poptarg, int *poptind)
2504 {
2505 const QEMUOption *popt;
2506 int optind = *poptind;
2507 char *r = argv[optind];
2508 const char *optarg;
2509
2510 loc_set_cmdline(argv, optind, 1);
2511 optind++;
2512 /* Treat --foo the same as -foo. */
2513 if (r[1] == '-')
2514 r++;
2515 popt = qemu_options;
2516 for(;;) {
2517 if (!popt->name) {
2518 error_report("invalid option");
2519 exit(1);
2520 }
2521 if (!strcmp(popt->name, r + 1))
2522 break;
2523 popt++;
2524 }
2525 if (popt->flags & HAS_ARG) {
2526 if (optind >= argc) {
2527 error_report("requires an argument");
2528 exit(1);
2529 }
2530 optarg = argv[optind++];
2531 loc_set_cmdline(argv, optind - 2, 2);
2532 } else {
2533 optarg = NULL;
2534 }
2535
2536 *poptarg = optarg;
2537 *poptind = optind;
2538
2539 return popt;
2540 }
2541
2542 static gpointer malloc_and_trace(gsize n_bytes)
2543 {
2544 void *ptr = malloc(n_bytes);
2545 trace_g_malloc(n_bytes, ptr);
2546 return ptr;
2547 }
2548
2549 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2550 {
2551 void *ptr = realloc(mem, n_bytes);
2552 trace_g_realloc(mem, n_bytes, ptr);
2553 return ptr;
2554 }
2555
2556 static void free_and_trace(gpointer mem)
2557 {
2558 trace_g_free(mem);
2559 free(mem);
2560 }
2561
2562 static int machine_set_property(const char *name, const char *value,
2563 void *opaque)
2564 {
2565 Object *obj = OBJECT(opaque);
2566 Error *local_err = NULL;
2567 char *c, *qom_name;
2568
2569 if (strcmp(name, "type") == 0) {
2570 return 0;
2571 }
2572
2573 qom_name = g_strdup(name);
2574 c = qom_name;
2575 while (*c++) {
2576 if (*c == '_') {
2577 *c = '-';
2578 }
2579 }
2580
2581 object_property_parse(obj, value, qom_name, &local_err);
2582 g_free(qom_name);
2583
2584 if (local_err) {
2585 error_report_err(local_err);
2586 return -1;
2587 }
2588
2589 return 0;
2590 }
2591
2592 static int object_create(QemuOpts *opts, void *opaque)
2593 {
2594 Error *err = NULL;
2595 char *type = NULL;
2596 char *id = NULL;
2597 void *dummy = NULL;
2598 OptsVisitor *ov;
2599 QDict *pdict;
2600
2601 ov = opts_visitor_new(opts);
2602 pdict = qemu_opts_to_qdict(opts, NULL);
2603
2604 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2605 if (err) {
2606 goto out;
2607 }
2608
2609 qdict_del(pdict, "qom-type");
2610 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2611 if (err) {
2612 goto out;
2613 }
2614
2615 qdict_del(pdict, "id");
2616 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2617 if (err) {
2618 goto out;
2619 }
2620
2621 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2622 if (err) {
2623 goto out;
2624 }
2625 visit_end_struct(opts_get_visitor(ov), &err);
2626 if (err) {
2627 qmp_object_del(id, NULL);
2628 }
2629
2630 out:
2631 opts_visitor_cleanup(ov);
2632
2633 QDECREF(pdict);
2634 g_free(id);
2635 g_free(type);
2636 g_free(dummy);
2637 if (err) {
2638 error_report_err(err);
2639 return -1;
2640 }
2641 return 0;
2642 }
2643
2644 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2645 {
2646 uint64_t sz;
2647 const char *mem_str;
2648 const char *maxmem_str, *slots_str;
2649 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2650 1024 * 1024;
2651 QemuOpts *opts = qemu_find_opts_singleton("memory");
2652
2653 sz = 0;
2654 mem_str = qemu_opt_get(opts, "size");
2655 if (mem_str) {
2656 if (!*mem_str) {
2657 error_report("missing 'size' option value");
2658 exit(EXIT_FAILURE);
2659 }
2660
2661 sz = qemu_opt_get_size(opts, "size", ram_size);
2662
2663 /* Fix up legacy suffix-less format */
2664 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2665 uint64_t overflow_check = sz;
2666
2667 sz <<= 20;
2668 if ((sz >> 20) != overflow_check) {
2669 error_report("too large 'size' option value");
2670 exit(EXIT_FAILURE);
2671 }
2672 }
2673 }
2674
2675 /* backward compatibility behaviour for case "-m 0" */
2676 if (sz == 0) {
2677 sz = default_ram_size;
2678 }
2679
2680 sz = QEMU_ALIGN_UP(sz, 8192);
2681 ram_size = sz;
2682 if (ram_size != sz) {
2683 error_report("ram size too large");
2684 exit(EXIT_FAILURE);
2685 }
2686
2687 /* store value for the future use */
2688 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2689 *maxram_size = ram_size;
2690
2691 maxmem_str = qemu_opt_get(opts, "maxmem");
2692 slots_str = qemu_opt_get(opts, "slots");
2693 if (maxmem_str && slots_str) {
2694 uint64_t slots;
2695
2696 sz = qemu_opt_get_size(opts, "maxmem", 0);
2697 if (sz < ram_size) {
2698 error_report("invalid -m option value: maxmem "
2699 "(0x%" PRIx64 ") <= initial memory (0x"
2700 RAM_ADDR_FMT ")", sz, ram_size);
2701 exit(EXIT_FAILURE);
2702 }
2703
2704 slots = qemu_opt_get_number(opts, "slots", 0);
2705 if ((sz > ram_size) && !slots) {
2706 error_report("invalid -m option value: maxmem "
2707 "(0x%" PRIx64 ") more than initial memory (0x"
2708 RAM_ADDR_FMT ") but no hotplug slots where "
2709 "specified", sz, ram_size);
2710 exit(EXIT_FAILURE);
2711 }
2712
2713 if ((sz <= ram_size) && slots) {
2714 error_report("invalid -m option value: %"
2715 PRIu64 " hotplug slots where specified but "
2716 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
2717 RAM_ADDR_FMT ")", slots, sz, ram_size);
2718 exit(EXIT_FAILURE);
2719 }
2720 *maxram_size = sz;
2721 *ram_slots = slots;
2722 } else if ((!maxmem_str && slots_str) ||
2723 (maxmem_str && !slots_str)) {
2724 error_report("invalid -m option value: missing "
2725 "'%s' option", slots_str ? "maxmem" : "slots");
2726 exit(EXIT_FAILURE);
2727 }
2728 }
2729
2730 int main(int argc, char **argv, char **envp)
2731 {
2732 int i;
2733 int snapshot, linux_boot;
2734 const char *initrd_filename;
2735 const char *kernel_filename, *kernel_cmdline;
2736 const char *boot_order = NULL;
2737 const char *boot_once = NULL;
2738 DisplayState *ds;
2739 int cyls, heads, secs, translation;
2740 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2741 QemuOptsList *olist;
2742 int optind;
2743 const char *optarg;
2744 const char *loadvm = NULL;
2745 MachineClass *machine_class;
2746 const char *cpu_model;
2747 const char *vga_model = NULL;
2748 const char *qtest_chrdev = NULL;
2749 const char *qtest_log = NULL;
2750 const char *pid_file = NULL;
2751 const char *incoming = NULL;
2752 #ifdef CONFIG_VNC
2753 int show_vnc_port = 0;
2754 #endif
2755 bool defconfig = true;
2756 bool userconfig = true;
2757 const char *log_mask = NULL;
2758 const char *log_file = NULL;
2759 GMemVTable mem_trace = {
2760 .malloc = malloc_and_trace,
2761 .realloc = realloc_and_trace,
2762 .free = free_and_trace,
2763 };
2764 const char *trace_events = NULL;
2765 const char *trace_file = NULL;
2766 ram_addr_t maxram_size;
2767 uint64_t ram_slots = 0;
2768 FILE *vmstate_dump_file = NULL;
2769 Error *main_loop_err = NULL;
2770
2771 qemu_init_cpu_loop();
2772 qemu_mutex_lock_iothread();
2773
2774 atexit(qemu_run_exit_notifiers);
2775 error_set_progname(argv[0]);
2776 qemu_init_exec_dir(argv[0]);
2777
2778 g_mem_set_vtable(&mem_trace);
2779
2780 module_call_init(MODULE_INIT_QOM);
2781
2782 qemu_add_opts(&qemu_drive_opts);
2783 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2784 qemu_add_drive_opts(&qemu_common_drive_opts);
2785 qemu_add_drive_opts(&qemu_drive_opts);
2786 qemu_add_opts(&qemu_chardev_opts);
2787 qemu_add_opts(&qemu_device_opts);
2788 qemu_add_opts(&qemu_netdev_opts);
2789 qemu_add_opts(&qemu_net_opts);
2790 qemu_add_opts(&qemu_rtc_opts);
2791 qemu_add_opts(&qemu_global_opts);
2792 qemu_add_opts(&qemu_mon_opts);
2793 qemu_add_opts(&qemu_trace_opts);
2794 qemu_add_opts(&qemu_option_rom_opts);
2795 qemu_add_opts(&qemu_machine_opts);
2796 qemu_add_opts(&qemu_mem_opts);
2797 qemu_add_opts(&qemu_smp_opts);
2798 qemu_add_opts(&qemu_boot_opts);
2799 qemu_add_opts(&qemu_sandbox_opts);
2800 qemu_add_opts(&qemu_add_fd_opts);
2801 qemu_add_opts(&qemu_object_opts);
2802 qemu_add_opts(&qemu_tpmdev_opts);
2803 qemu_add_opts(&qemu_realtime_opts);
2804 qemu_add_opts(&qemu_msg_opts);
2805 qemu_add_opts(&qemu_name_opts);
2806 qemu_add_opts(&qemu_numa_opts);
2807 qemu_add_opts(&qemu_icount_opts);
2808 qemu_add_opts(&qemu_semihosting_config_opts);
2809
2810 runstate_init();
2811
2812 rtc_clock = QEMU_CLOCK_HOST;
2813
2814 QLIST_INIT (&vm_change_state_head);
2815 os_setup_early_signal_handling();
2816
2817 module_call_init(MODULE_INIT_MACHINE);
2818 machine_class = find_default_machine();
2819 cpu_model = NULL;
2820 snapshot = 0;
2821 cyls = heads = secs = 0;
2822 translation = BIOS_ATA_TRANSLATION_AUTO;
2823
2824 nb_nics = 0;
2825
2826 bdrv_init_with_whitelist();
2827
2828 autostart = 1;
2829
2830 /* first pass of option parsing */
2831 optind = 1;
2832 while (optind < argc) {
2833 if (argv[optind][0] != '-') {
2834 /* disk image */
2835 optind++;
2836 } else {
2837 const QEMUOption *popt;
2838
2839 popt = lookup_opt(argc, argv, &optarg, &optind);
2840 switch (popt->index) {
2841 case QEMU_OPTION_nodefconfig:
2842 defconfig = false;
2843 break;
2844 case QEMU_OPTION_nouserconfig:
2845 userconfig = false;
2846 break;
2847 }
2848 }
2849 }
2850
2851 if (defconfig) {
2852 int ret;
2853 ret = qemu_read_default_config_files(userconfig);
2854 if (ret < 0) {
2855 exit(1);
2856 }
2857 }
2858
2859 /* second pass of option parsing */
2860 optind = 1;
2861 for(;;) {
2862 if (optind >= argc)
2863 break;
2864 if (argv[optind][0] != '-') {
2865 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2866 } else {
2867 const QEMUOption *popt;
2868
2869 popt = lookup_opt(argc, argv, &optarg, &optind);
2870 if (!(popt->arch_mask & arch_type)) {
2871 printf("Option %s not supported for this target\n", popt->name);
2872 exit(1);
2873 }
2874 switch(popt->index) {
2875 case QEMU_OPTION_no_kvm_irqchip: {
2876 olist = qemu_find_opts("machine");
2877 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2878 break;
2879 }
2880 case QEMU_OPTION_cpu:
2881 /* hw initialization will check this */
2882 cpu_model = optarg;
2883 break;
2884 case QEMU_OPTION_hda:
2885 {
2886 char buf[256];
2887 if (cyls == 0)
2888 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2889 else
2890 snprintf(buf, sizeof(buf),
2891 "%s,cyls=%d,heads=%d,secs=%d%s",
2892 HD_OPTS , cyls, heads, secs,
2893 translation == BIOS_ATA_TRANSLATION_LBA ?
2894 ",trans=lba" :
2895 translation == BIOS_ATA_TRANSLATION_NONE ?
2896 ",trans=none" : "");
2897 drive_add(IF_DEFAULT, 0, optarg, buf);
2898 break;
2899 }
2900 case QEMU_OPTION_hdb:
2901 case QEMU_OPTION_hdc:
2902 case QEMU_OPTION_hdd:
2903 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2904 HD_OPTS);
2905 break;
2906 case QEMU_OPTION_drive:
2907 if (drive_def(optarg) == NULL) {
2908 exit(1);
2909 }
2910 break;
2911 case QEMU_OPTION_set:
2912 if (qemu_set_option(optarg) != 0)
2913 exit(1);
2914 break;
2915 case QEMU_OPTION_global:
2916 if (qemu_global_option(optarg) != 0)
2917 exit(1);
2918 break;
2919 case QEMU_OPTION_mtdblock:
2920 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2921 break;
2922 case QEMU_OPTION_sd:
2923 drive_add(IF_SD, -1, optarg, SD_OPTS);
2924 break;
2925 case QEMU_OPTION_pflash:
2926 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2927 break;
2928 case QEMU_OPTION_snapshot:
2929 snapshot = 1;
2930 break;
2931 case QEMU_OPTION_hdachs:
2932 {
2933 const char *p;
2934 p = optarg;
2935 cyls = strtol(p, (char **)&p, 0);
2936 if (cyls < 1 || cyls > 16383)
2937 goto chs_fail;
2938 if (*p != ',')
2939 goto chs_fail;
2940 p++;
2941 heads = strtol(p, (char **)&p, 0);
2942 if (heads < 1 || heads > 16)
2943 goto chs_fail;
2944 if (*p != ',')
2945 goto chs_fail;
2946 p++;
2947 secs = strtol(p, (char **)&p, 0);
2948 if (secs < 1 || secs > 63)
2949 goto chs_fail;
2950 if (*p == ',') {
2951 p++;
2952 if (!strcmp(p, "large")) {
2953 translation = BIOS_ATA_TRANSLATION_LARGE;
2954 } else if (!strcmp(p, "rechs")) {
2955 translation = BIOS_ATA_TRANSLATION_RECHS;
2956 } else if (!strcmp(p, "none")) {
2957 translation = BIOS_ATA_TRANSLATION_NONE;
2958 } else if (!strcmp(p, "lba")) {
2959 translation = BIOS_ATA_TRANSLATION_LBA;
2960 } else if (!strcmp(p, "auto")) {
2961 translation = BIOS_ATA_TRANSLATION_AUTO;
2962 } else {
2963 goto chs_fail;
2964 }
2965 } else if (*p != '\0') {
2966 chs_fail:
2967 fprintf(stderr, "qemu: invalid physical CHS format\n");
2968 exit(1);
2969 }
2970 if (hda_opts != NULL) {
2971 qemu_opt_set_number(hda_opts, "cyls", cyls,
2972 &error_abort);
2973 qemu_opt_set_number(hda_opts, "heads", heads,
2974 &error_abort);
2975 qemu_opt_set_number(hda_opts, "secs", secs,
2976 &error_abort);
2977 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2978 qemu_opt_set(hda_opts, "trans", "large",
2979 &error_abort);
2980 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2981 qemu_opt_set(hda_opts, "trans", "rechs",
2982 &error_abort);
2983 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2984 qemu_opt_set(hda_opts, "trans", "lba",
2985 &error_abort);
2986 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2987 qemu_opt_set(hda_opts, "trans", "none",
2988 &error_abort);
2989 }
2990 }
2991 }
2992 break;
2993 case QEMU_OPTION_numa:
2994 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2995 if (!opts) {
2996 exit(1);
2997 }
2998 break;
2999 case QEMU_OPTION_display:
3000 display_type = select_display(optarg);
3001 break;
3002 case QEMU_OPTION_nographic:
3003 display_type = DT_NOGRAPHIC;
3004 break;
3005 case QEMU_OPTION_curses:
3006 #ifdef CONFIG_CURSES
3007 display_type = DT_CURSES;
3008 #else
3009 fprintf(stderr, "Curses support is disabled\n");
3010 exit(1);
3011 #endif
3012 break;
3013 case QEMU_OPTION_portrait:
3014 graphic_rotate = 90;
3015 break;
3016 case QEMU_OPTION_rotate:
3017 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3018 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3019 graphic_rotate != 180 && graphic_rotate != 270) {
3020 fprintf(stderr,
3021 "qemu: only 90, 180, 270 deg rotation is available\n");
3022 exit(1);
3023 }
3024 break;
3025 case QEMU_OPTION_kernel:
3026 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3027 &error_abort);
3028 break;
3029 case QEMU_OPTION_initrd:
3030 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3031 &error_abort);
3032 break;
3033 case QEMU_OPTION_append:
3034 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3035 &error_abort);
3036 break;
3037 case QEMU_OPTION_dtb:
3038 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3039 &error_abort);
3040 break;
3041 case QEMU_OPTION_cdrom:
3042 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3043 break;
3044 case QEMU_OPTION_boot:
3045 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3046 if (!opts) {
3047 exit(1);
3048 }
3049 break;
3050 case QEMU_OPTION_fda:
3051 case QEMU_OPTION_fdb:
3052 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3053 optarg, FD_OPTS);
3054 break;
3055 case QEMU_OPTION_no_fd_bootchk:
3056 fd_bootchk = 0;
3057 break;
3058 case QEMU_OPTION_netdev:
3059 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3060 exit(1);
3061 }
3062 break;
3063 case QEMU_OPTION_net:
3064 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3065 exit(1);
3066 }
3067 break;
3068 #ifdef CONFIG_LIBISCSI
3069 case QEMU_OPTION_iscsi:
3070 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3071 if (!opts) {
3072 exit(1);
3073 }
3074 break;
3075 #endif
3076 #ifdef CONFIG_SLIRP
3077 case QEMU_OPTION_tftp:
3078 legacy_tftp_prefix = optarg;
3079 break;
3080 case QEMU_OPTION_bootp:
3081 legacy_bootp_filename = optarg;
3082 break;
3083 case QEMU_OPTION_redir:
3084 if (net_slirp_redir(optarg) < 0)
3085 exit(1);
3086 break;
3087 #endif
3088 case QEMU_OPTION_bt:
3089 add_device_config(DEV_BT, optarg);
3090 break;
3091 case QEMU_OPTION_audio_help:
3092 AUD_help ();
3093 exit (0);
3094 break;
3095 case QEMU_OPTION_soundhw:
3096 select_soundhw (optarg);
3097 break;
3098 case QEMU_OPTION_h:
3099 help(0);
3100 break;
3101 case QEMU_OPTION_version:
3102 version();
3103 exit(0);
3104 break;
3105 case QEMU_OPTION_m:
3106 opts = qemu_opts_parse(qemu_find_opts("memory"),
3107 optarg, 1);
3108 if (!opts) {
3109 exit(EXIT_FAILURE);
3110 }
3111 break;
3112 #ifdef CONFIG_TPM
3113 case QEMU_OPTION_tpmdev:
3114 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3115 exit(1);
3116 }
3117 break;
3118 #endif
3119 case QEMU_OPTION_mempath:
3120 mem_path = optarg;
3121 break;
3122 case QEMU_OPTION_mem_prealloc:
3123 mem_prealloc = 1;
3124 break;
3125 case QEMU_OPTION_d:
3126 log_mask = optarg;
3127 break;
3128 case QEMU_OPTION_D:
3129 log_file = optarg;
3130 break;
3131 case QEMU_OPTION_s:
3132 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3133 break;
3134 case QEMU_OPTION_gdb:
3135 add_device_config(DEV_GDB, optarg);
3136 break;
3137 case QEMU_OPTION_L:
3138 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3139 data_dir[data_dir_idx++] = optarg;
3140 }
3141 break;
3142 case QEMU_OPTION_bios:
3143 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3144 &error_abort);
3145 break;
3146 case QEMU_OPTION_singlestep:
3147 singlestep = 1;
3148 break;
3149 case QEMU_OPTION_S:
3150 autostart = 0;
3151 break;
3152 case QEMU_OPTION_k:
3153 keyboard_layout = optarg;
3154 break;
3155 case QEMU_OPTION_localtime:
3156 rtc_utc = 0;
3157 break;
3158 case QEMU_OPTION_vga:
3159 vga_model = optarg;
3160 default_vga = 0;
3161 break;
3162 case QEMU_OPTION_g:
3163 {
3164 const char *p;
3165 int w, h, depth;
3166 p = optarg;
3167 w = strtol(p, (char **)&p, 10);
3168 if (w <= 0) {
3169 graphic_error:
3170 fprintf(stderr, "qemu: invalid resolution or depth\n");
3171 exit(1);
3172 }
3173 if (*p != 'x')
3174 goto graphic_error;
3175 p++;
3176 h = strtol(p, (char **)&p, 10);
3177 if (h <= 0)
3178 goto graphic_error;
3179 if (*p == 'x') {
3180 p++;
3181 depth = strtol(p, (char **)&p, 10);
3182 if (depth != 8 && depth != 15 && depth != 16 &&
3183 depth != 24 && depth != 32)
3184 goto graphic_error;
3185 } else if (*p == '\0') {
3186 depth = graphic_depth;
3187 } else {
3188 goto graphic_error;
3189 }
3190
3191 graphic_width = w;
3192 graphic_height = h;
3193 graphic_depth = depth;
3194 }
3195 break;
3196 case QEMU_OPTION_echr:
3197 {
3198 char *r;
3199 term_escape_char = strtol(optarg, &r, 0);
3200 if (r == optarg)
3201 printf("Bad argument to echr\n");
3202 break;
3203 }
3204 case QEMU_OPTION_monitor:
3205 default_monitor = 0;
3206 if (strncmp(optarg, "none", 4)) {
3207 monitor_parse(optarg, "readline", false);
3208 }
3209 break;
3210 case QEMU_OPTION_qmp:
3211 monitor_parse(optarg, "control", false);
3212 default_monitor = 0;
3213 break;
3214 case QEMU_OPTION_qmp_pretty:
3215 monitor_parse(optarg, "control", true);
3216 default_monitor = 0;
3217 break;
3218 case QEMU_OPTION_mon:
3219 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3220 if (!opts) {
3221 exit(1);
3222 }
3223 default_monitor = 0;
3224 break;
3225 case QEMU_OPTION_chardev:
3226 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3227 if (!opts) {
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_fsdev:
3232 olist = qemu_find_opts("fsdev");
3233 if (!olist) {
3234 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3235 exit(1);
3236 }
3237 opts = qemu_opts_parse(olist, optarg, 1);
3238 if (!opts) {
3239 exit(1);
3240 }
3241 break;
3242 case QEMU_OPTION_virtfs: {
3243 QemuOpts *fsdev;
3244 QemuOpts *device;
3245 const char *writeout, *sock_fd, *socket;
3246
3247 olist = qemu_find_opts("virtfs");
3248 if (!olist) {
3249 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3250 exit(1);
3251 }
3252 opts = qemu_opts_parse(olist, optarg, 1);
3253 if (!opts) {
3254 exit(1);
3255 }
3256
3257 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3258 qemu_opt_get(opts, "mount_tag") == NULL) {
3259 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3260 exit(1);
3261 }
3262 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3263 qemu_opt_get(opts, "mount_tag"),
3264 1, NULL);
3265 if (!fsdev) {
3266 fprintf(stderr, "duplicate fsdev id: %s\n",
3267 qemu_opt_get(opts, "mount_tag"));
3268 exit(1);
3269 }
3270
3271 writeout = qemu_opt_get(opts, "writeout");
3272 if (writeout) {
3273 #ifdef CONFIG_SYNC_FILE_RANGE
3274 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3275 #else
3276 fprintf(stderr, "writeout=immediate not supported on "
3277 "this platform\n");
3278 exit(1);
3279 #endif
3280 }
3281 qemu_opt_set(fsdev, "fsdriver",
3282 qemu_opt_get(opts, "fsdriver"), &error_abort);
3283 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3284 &error_abort);
3285 qemu_opt_set(fsdev, "security_model",
3286 qemu_opt_get(opts, "security_model"),
3287 &error_abort);
3288 socket = qemu_opt_get(opts, "socket");
3289 if (socket) {
3290 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3291 }
3292 sock_fd = qemu_opt_get(opts, "sock_fd");
3293 if (sock_fd) {
3294 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3295 }
3296
3297 qemu_opt_set_bool(fsdev, "readonly",
3298 qemu_opt_get_bool(opts, "readonly", 0),
3299 &error_abort);
3300 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3301 &error_abort);
3302 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3303 qemu_opt_set(device, "fsdev",
3304 qemu_opt_get(opts, "mount_tag"), &error_abort);
3305 qemu_opt_set(device, "mount_tag",
3306 qemu_opt_get(opts, "mount_tag"), &error_abort);
3307 break;
3308 }
3309 case QEMU_OPTION_virtfs_synth: {
3310 QemuOpts *fsdev;
3311 QemuOpts *device;
3312
3313 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3314 1, NULL);
3315 if (!fsdev) {
3316 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3317 exit(1);
3318 }
3319 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3320
3321 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3322 &error_abort);
3323 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3324 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3325 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3326 break;
3327 }
3328 case QEMU_OPTION_serial:
3329 add_device_config(DEV_SERIAL, optarg);
3330 default_serial = 0;
3331 if (strncmp(optarg, "mon:", 4) == 0) {
3332 default_monitor = 0;
3333 }
3334 break;
3335 case QEMU_OPTION_watchdog:
3336 if (watchdog) {
3337 fprintf(stderr,
3338 "qemu: only one watchdog option may be given\n");
3339 return 1;
3340 }
3341 watchdog = optarg;
3342 break;
3343 case QEMU_OPTION_watchdog_action:
3344 if (select_watchdog_action(optarg) == -1) {
3345 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3346 exit(1);
3347 }
3348 break;
3349 case QEMU_OPTION_virtiocon:
3350 add_device_config(DEV_VIRTCON, optarg);
3351 default_virtcon = 0;
3352 if (strncmp(optarg, "mon:", 4) == 0) {
3353 default_monitor = 0;
3354 }
3355 break;
3356 case QEMU_OPTION_parallel:
3357 add_device_config(DEV_PARALLEL, optarg);
3358 default_parallel = 0;
3359 if (strncmp(optarg, "mon:", 4) == 0) {
3360 default_monitor = 0;
3361 }
3362 break;
3363 case QEMU_OPTION_debugcon:
3364 add_device_config(DEV_DEBUGCON, optarg);
3365 break;
3366 case QEMU_OPTION_loadvm:
3367 loadvm = optarg;
3368 break;
3369 case QEMU_OPTION_full_screen:
3370 full_screen = 1;
3371 break;
3372 case QEMU_OPTION_no_frame:
3373 no_frame = 1;
3374 break;
3375 case QEMU_OPTION_alt_grab:
3376 alt_grab = 1;
3377 break;
3378 case QEMU_OPTION_ctrl_grab:
3379 ctrl_grab = 1;
3380 break;
3381 case QEMU_OPTION_no_quit:
3382 no_quit = 1;
3383 break;
3384 case QEMU_OPTION_sdl:
3385 #ifdef CONFIG_SDL
3386 display_type = DT_SDL;
3387 break;
3388 #else
3389 fprintf(stderr, "SDL support is disabled\n");
3390 exit(1);
3391 #endif
3392 case QEMU_OPTION_pidfile:
3393 pid_file = optarg;
3394 break;
3395 case QEMU_OPTION_win2k_hack:
3396 win2k_install_hack = 1;
3397 break;
3398 case QEMU_OPTION_rtc_td_hack: {
3399 static GlobalProperty slew_lost_ticks[] = {
3400 {
3401 .driver = "mc146818rtc",
3402 .property = "lost_tick_policy",
3403 .value = "slew",
3404 },
3405 { /* end of list */ }
3406 };
3407
3408 qdev_prop_register_global_list(slew_lost_ticks);
3409 break;
3410 }
3411 case QEMU_OPTION_acpitable:
3412 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3413 if (!opts) {
3414 exit(1);
3415 }
3416 do_acpitable_option(opts);
3417 break;
3418 case QEMU_OPTION_smbios:
3419 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3420 if (!opts) {
3421 exit(1);
3422 }
3423 do_smbios_option(opts);
3424 break;
3425 case QEMU_OPTION_enable_kvm:
3426 olist = qemu_find_opts("machine");
3427 qemu_opts_parse(olist, "accel=kvm", 0);
3428 break;
3429 case QEMU_OPTION_M:
3430 case QEMU_OPTION_machine:
3431 olist = qemu_find_opts("machine");
3432 opts = qemu_opts_parse(olist, optarg, 1);
3433 if (!opts) {
3434 exit(1);
3435 }
3436 break;
3437 case QEMU_OPTION_no_kvm:
3438 olist = qemu_find_opts("machine");
3439 qemu_opts_parse(olist, "accel=tcg", 0);
3440 break;
3441 case QEMU_OPTION_no_kvm_pit: {
3442 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3443 "separately.\n");
3444 break;
3445 }
3446 case QEMU_OPTION_no_kvm_pit_reinjection: {
3447 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3448 {
3449 .driver = "kvm-pit",
3450 .property = "lost_tick_policy",
3451 .value = "discard",
3452 },
3453 { /* end of list */ }
3454 };
3455
3456 fprintf(stderr, "Warning: option deprecated, use "
3457 "lost_tick_policy property of kvm-pit instead.\n");
3458 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3459 break;
3460 }
3461 case QEMU_OPTION_usb:
3462 olist = qemu_find_opts("machine");
3463 qemu_opts_parse(olist, "usb=on", 0);
3464 break;
3465 case QEMU_OPTION_usbdevice:
3466 olist = qemu_find_opts("machine");
3467 qemu_opts_parse(olist, "usb=on", 0);
3468 add_device_config(DEV_USB, optarg);
3469 break;
3470 case QEMU_OPTION_device:
3471 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3472 exit(1);
3473 }
3474 break;
3475 case QEMU_OPTION_smp:
3476 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3477 exit(1);
3478 }
3479 break;
3480 case QEMU_OPTION_vnc:
3481 #ifdef CONFIG_VNC
3482 display_remote++;
3483 if (vnc_parse_func(optarg) == NULL) {
3484 exit(1);
3485 }
3486 #else
3487 fprintf(stderr, "VNC support is disabled\n");
3488 exit(1);
3489 #endif
3490 break;
3491 case QEMU_OPTION_no_acpi:
3492 acpi_enabled = 0;
3493 break;
3494 case QEMU_OPTION_no_hpet:
3495 no_hpet = 1;
3496 break;
3497 case QEMU_OPTION_balloon:
3498 if (balloon_parse(optarg) < 0) {
3499 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3500 exit(1);
3501 }
3502 break;
3503 case QEMU_OPTION_no_reboot:
3504 no_reboot = 1;
3505 break;
3506 case QEMU_OPTION_no_shutdown:
3507 no_shutdown = 1;
3508 break;
3509 case QEMU_OPTION_show_cursor:
3510 cursor_hide = 0;
3511 break;
3512 case QEMU_OPTION_uuid:
3513 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3514 fprintf(stderr, "Fail to parse UUID string."
3515 " Wrong format.\n");
3516 exit(1);
3517 }
3518 qemu_uuid_set = true;
3519 break;
3520 case QEMU_OPTION_option_rom:
3521 if (nb_option_roms >= MAX_OPTION_ROMS) {
3522 fprintf(stderr, "Too many option ROMs\n");
3523 exit(1);
3524 }
3525 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3526 if (!opts) {
3527 exit(1);
3528 }
3529 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3530 option_rom[nb_option_roms].bootindex =
3531 qemu_opt_get_number(opts, "bootindex", -1);
3532 if (!option_rom[nb_option_roms].name) {
3533 fprintf(stderr, "Option ROM file is not specified\n");
3534 exit(1);
3535 }
3536 nb_option_roms++;
3537 break;
3538 case QEMU_OPTION_semihosting:
3539 semihosting_enabled = 1;
3540 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3541 break;
3542 case QEMU_OPTION_semihosting_config:
3543 semihosting_enabled = 1;
3544 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3545 optarg, 0);
3546 if (opts != NULL) {
3547 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3548 true);
3549 const char *target = qemu_opt_get(opts, "target");
3550 if (target != NULL) {
3551 if (strcmp("native", target) == 0) {
3552 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3553 } else if (strcmp("gdb", target) == 0) {
3554 semihosting_target = SEMIHOSTING_TARGET_GDB;
3555 } else if (strcmp("auto", target) == 0) {
3556 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3557 } else {
3558 fprintf(stderr, "Unsupported semihosting-config"
3559 " %s\n",
3560 optarg);
3561 exit(1);
3562 }
3563 } else {
3564 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3565 }
3566 } else {
3567 fprintf(stderr, "Unsupported semihosting-config %s\n",
3568 optarg);
3569 exit(1);
3570 }
3571 break;
3572 case QEMU_OPTION_tdf:
3573 fprintf(stderr, "Warning: user space PIT time drift fix "
3574 "is no longer supported.\n");
3575 break;
3576 case QEMU_OPTION_name:
3577 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3578 if (!opts) {
3579 exit(1);
3580 }
3581 break;
3582 case QEMU_OPTION_prom_env:
3583 if (nb_prom_envs >= MAX_PROM_ENVS) {
3584 fprintf(stderr, "Too many prom variables\n");
3585 exit(1);
3586 }
3587 prom_envs[nb_prom_envs] = optarg;
3588 nb_prom_envs++;
3589 break;
3590 case QEMU_OPTION_old_param:
3591 old_param = 1;
3592 break;
3593 case QEMU_OPTION_clock:
3594 /* Clock options no longer exist. Keep this option for
3595 * backward compatibility.
3596 */
3597 break;
3598 case QEMU_OPTION_startdate:
3599 configure_rtc_date_offset(optarg, 1);
3600 break;
3601 case QEMU_OPTION_rtc:
3602 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3603 if (!opts) {
3604 exit(1);
3605 }
3606 configure_rtc(opts);
3607 break;
3608 case QEMU_OPTION_tb_size:
3609 tcg_tb_size = strtol(optarg, NULL, 0);
3610 if (tcg_tb_size < 0) {
3611 tcg_tb_size = 0;
3612 }
3613 break;
3614 case QEMU_OPTION_icount:
3615 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3616 optarg, 1);
3617 if (!icount_opts) {
3618 exit(1);
3619 }
3620 break;
3621 case QEMU_OPTION_incoming:
3622 incoming = optarg;
3623 runstate_set(RUN_STATE_INMIGRATE);
3624 break;
3625 case QEMU_OPTION_nodefaults:
3626 has_defaults = 0;
3627 break;
3628 case QEMU_OPTION_xen_domid:
3629 if (!(xen_available())) {
3630 printf("Option %s not supported for this target\n", popt->name);
3631 exit(1);
3632 }
3633 xen_domid = atoi(optarg);
3634 break;
3635 case QEMU_OPTION_xen_create:
3636 if (!(xen_available())) {
3637 printf("Option %s not supported for this target\n", popt->name);
3638 exit(1);
3639 }
3640 xen_mode = XEN_CREATE;
3641 break;
3642 case QEMU_OPTION_xen_attach:
3643 if (!(xen_available())) {
3644 printf("Option %s not supported for this target\n", popt->name);
3645 exit(1);
3646 }
3647 xen_mode = XEN_ATTACH;
3648 break;
3649 case QEMU_OPTION_trace:
3650 {
3651 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3652 if (!opts) {
3653 exit(1);
3654 }
3655 trace_events = qemu_opt_get(opts, "events");
3656 trace_file = qemu_opt_get(opts, "file");
3657 break;
3658 }
3659 case QEMU_OPTION_readconfig:
3660 {
3661 int ret = qemu_read_config_file(optarg);
3662 if (ret < 0) {
3663 fprintf(stderr, "read config %s: %s\n", optarg,
3664 strerror(-ret));
3665 exit(1);
3666 }
3667 break;
3668 }
3669 case QEMU_OPTION_spice:
3670 olist = qemu_find_opts("spice");
3671 if (!olist) {
3672 fprintf(stderr, "spice is not supported by this qemu build.\n");
3673 exit(1);
3674 }
3675 opts = qemu_opts_parse(olist, optarg, 0);
3676 if (!opts) {
3677 exit(1);
3678 }
3679 display_remote++;
3680 break;
3681 case QEMU_OPTION_writeconfig:
3682 {
3683 FILE *fp;
3684 if (strcmp(optarg, "-") == 0) {
3685 fp = stdout;
3686 } else {
3687 fp = fopen(optarg, "w");
3688 if (fp == NULL) {
3689 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3690 exit(1);
3691 }
3692 }
3693 qemu_config_write(fp);
3694 if (fp != stdout) {
3695 fclose(fp);
3696 }
3697 break;
3698 }
3699 case QEMU_OPTION_qtest:
3700 qtest_chrdev = optarg;
3701 break;
3702 case QEMU_OPTION_qtest_log:
3703 qtest_log = optarg;
3704 break;
3705 case QEMU_OPTION_sandbox:
3706 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3707 if (!opts) {
3708 exit(1);
3709 }
3710 break;
3711 case QEMU_OPTION_add_fd:
3712 #ifndef _WIN32
3713 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3714 if (!opts) {
3715 exit(1);
3716 }
3717 #else
3718 error_report("File descriptor passing is disabled on this "
3719 "platform");
3720 exit(1);
3721 #endif
3722 break;
3723 case QEMU_OPTION_object:
3724 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3725 if (!opts) {
3726 exit(1);
3727 }
3728 break;
3729 case QEMU_OPTION_realtime:
3730 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3731 if (!opts) {
3732 exit(1);
3733 }
3734 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3735 break;
3736 case QEMU_OPTION_msg:
3737 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3738 if (!opts) {
3739 exit(1);
3740 }
3741 configure_msg(opts);
3742 break;
3743 case QEMU_OPTION_dump_vmstate:
3744 if (vmstate_dump_file) {
3745 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3746 "option may be given\n");
3747 exit(1);
3748 }
3749 vmstate_dump_file = fopen(optarg, "w");
3750 if (vmstate_dump_file == NULL) {
3751 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3752 exit(1);
3753 }
3754 break;
3755 default:
3756 os_parse_cmd_args(popt->index, optarg);
3757 }
3758 }
3759 }
3760
3761 opts = qemu_get_machine_opts();
3762 optarg = qemu_opt_get(opts, "type");
3763 if (optarg) {
3764 machine_class = machine_parse(optarg);
3765 }
3766
3767 set_memory_options(&ram_slots, &maxram_size);
3768
3769 loc_set_none();
3770
3771 os_daemonize();
3772
3773 if (qemu_init_main_loop(&main_loop_err)) {
3774 error_report_err(main_loop_err);
3775 exit(1);
3776 }
3777
3778 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3779 exit(1);
3780 }
3781
3782 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3783 exit(1);
3784 }
3785
3786 #ifndef _WIN32
3787 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3788 exit(1);
3789 }
3790
3791 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3792 exit(1);
3793 }
3794 #endif
3795
3796 if (machine_class == NULL) {
3797 fprintf(stderr, "No machine specified, and there is no default.\n"
3798 "Use -machine help to list supported machines!\n");
3799 exit(1);
3800 }
3801
3802 current_machine = MACHINE(object_new(object_class_get_name(
3803 OBJECT_CLASS(machine_class))));
3804 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3805 exit(0);
3806 }
3807 object_property_add_child(object_get_root(), "machine",
3808 OBJECT(current_machine), &error_abort);
3809 cpu_exec_init_all();
3810
3811 if (machine_class->hw_version) {
3812 qemu_set_version(machine_class->hw_version);
3813 }
3814
3815 /* Init CPU def lists, based on config
3816 * - Must be called after all the qemu_read_config_file() calls
3817 * - Must be called before list_cpus()
3818 * - Must be called before machine->init()
3819 */
3820 cpudef_init();
3821
3822 if (cpu_model && is_help_option(cpu_model)) {
3823 list_cpus(stdout, &fprintf, cpu_model);
3824 exit(0);
3825 }
3826
3827 /* Open the logfile at this point, if necessary. We can't open the logfile
3828 * when encountering either of the logging options (-d or -D) because the
3829 * other one may be encountered later on the command line, changing the
3830 * location or level of logging.
3831 */
3832 if (log_mask) {
3833 int mask;
3834 if (log_file) {
3835 qemu_set_log_filename(log_file);
3836 }
3837
3838 mask = qemu_str_to_log_mask(log_mask);
3839 if (!mask) {
3840 qemu_print_log_usage(stdout);
3841 exit(1);
3842 }
3843 qemu_set_log(mask);
3844 }
3845
3846 if (!is_daemonized()) {
3847 if (!trace_init_backends(trace_events, trace_file)) {
3848 exit(1);
3849 }
3850 }
3851
3852 /* If no data_dir is specified then try to find it relative to the
3853 executable path. */
3854 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3855 data_dir[data_dir_idx] = os_find_datadir();
3856 if (data_dir[data_dir_idx] != NULL) {
3857 data_dir_idx++;
3858 }
3859 }
3860 /* If all else fails use the install path specified when building. */
3861 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3862 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3863 }
3864
3865 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3866
3867 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3868 if (max_cpus > machine_class->max_cpus) {
3869 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3870 "supported by machine `%s' (%d)\n", max_cpus,
3871 machine_class->name, machine_class->max_cpus);
3872 exit(1);
3873 }
3874
3875 /*
3876 * Get the default machine options from the machine if it is not already
3877 * specified either by the configuration file or by the command line.
3878 */
3879 if (machine_class->default_machine_opts) {
3880 qemu_opts_set_defaults(qemu_find_opts("machine"),
3881 machine_class->default_machine_opts, 0);
3882 }
3883
3884 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3885 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3886
3887 if (!vga_model && !default_vga) {
3888 vga_interface_type = VGA_DEVICE;
3889 }
3890 if (!has_defaults || machine_class->no_serial) {
3891 default_serial = 0;
3892 }
3893 if (!has_defaults || machine_class->no_parallel) {
3894 default_parallel = 0;
3895 }
3896 if (!has_defaults || !machine_class->use_virtcon) {
3897 default_virtcon = 0;
3898 }
3899 if (!has_defaults || !machine_class->use_sclp) {
3900 default_sclp = 0;
3901 }
3902 if (!has_defaults || machine_class->no_floppy) {
3903 default_floppy = 0;
3904 }
3905 if (!has_defaults || machine_class->no_cdrom) {
3906 default_cdrom = 0;
3907 }
3908 if (!has_defaults || machine_class->no_sdcard) {
3909 default_sdcard = 0;
3910 }
3911 if (!has_defaults) {
3912 default_monitor = 0;
3913 default_net = 0;
3914 default_vga = 0;
3915 }
3916
3917 if (is_daemonized()) {
3918 /* According to documentation and historically, -nographic redirects
3919 * serial port, parallel port and monitor to stdio, which does not work
3920 * with -daemonize. We can redirect these to null instead, but since
3921 * -nographic is legacy, let's just error out.
3922 * We disallow -nographic only if all other ports are not redirected
3923 * explicitly, to not break existing legacy setups which uses
3924 * -nographic _and_ redirects all ports explicitly - this is valid
3925 * usage, -nographic is just a no-op in this case.
3926 */
3927 if (display_type == DT_NOGRAPHIC
3928 && (default_parallel || default_serial
3929 || default_monitor || default_virtcon)) {
3930 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3931 exit(1);
3932 }
3933 #ifdef CONFIG_CURSES
3934 if (display_type == DT_CURSES) {
3935 fprintf(stderr, "curses display can not be used with -daemonize\n");
3936 exit(1);
3937 }
3938 #endif
3939 }
3940
3941 if (display_type == DT_NOGRAPHIC) {
3942 if (default_parallel)
3943 add_device_config(DEV_PARALLEL, "null");
3944 if (default_serial && default_monitor) {
3945 add_device_config(DEV_SERIAL, "mon:stdio");
3946 } else if (default_virtcon && default_monitor) {
3947 add_device_config(DEV_VIRTCON, "mon:stdio");
3948 } else if (default_sclp && default_monitor) {
3949 add_device_config(DEV_SCLP, "mon:stdio");
3950 } else {
3951 if (default_serial)
3952 add_device_config(DEV_SERIAL, "stdio");
3953 if (default_virtcon)
3954 add_device_config(DEV_VIRTCON, "stdio");
3955 if (default_sclp) {
3956 add_device_config(DEV_SCLP, "stdio");
3957 }
3958 if (default_monitor)
3959 monitor_parse("stdio", "readline", false);
3960 }
3961 } else {
3962 if (default_serial)
3963 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3964 if (default_parallel)
3965 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3966 if (default_monitor)
3967 monitor_parse("vc:80Cx24C", "readline", false);
3968 if (default_virtcon)
3969 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3970 if (default_sclp) {
3971 add_device_config(DEV_SCLP, "vc:80Cx24C");
3972 }
3973 }
3974
3975 if (display_type == DT_DEFAULT && !display_remote) {
3976 #if defined(CONFIG_GTK)
3977 display_type = DT_GTK;
3978 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3979 display_type = DT_SDL;
3980 #elif defined(CONFIG_VNC)
3981 vnc_parse_func("localhost:0,to=99,id=default");
3982 show_vnc_port = 1;
3983 #else
3984 display_type = DT_NONE;
3985 #endif
3986 }
3987
3988 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3989 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3990 "for SDL, ignoring option\n");
3991 }
3992 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3993 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3994 "ignoring option\n");
3995 }
3996
3997 #if defined(CONFIG_GTK)
3998 if (display_type == DT_GTK) {
3999 early_gtk_display_init();
4000 }
4001 #endif
4002
4003 socket_init();
4004
4005 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4006 exit(1);
4007 #ifdef CONFIG_VIRTFS
4008 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4009 exit(1);
4010 }
4011 #endif
4012
4013 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4014 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4015 exit(1);
4016 }
4017
4018 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4019 != 0) {
4020 exit(0);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("object"),
4024 object_create, NULL, 0) != 0) {
4025 exit(1);
4026 }
4027
4028 machine_opts = qemu_get_machine_opts();
4029 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4030 1) < 0) {
4031 object_unref(OBJECT(current_machine));
4032 exit(1);
4033 }
4034
4035 configure_accelerator(current_machine);
4036
4037 if (qtest_chrdev) {
4038 Error *local_err = NULL;
4039 qtest_init(qtest_chrdev, qtest_log, &local_err);
4040 if (local_err) {
4041 error_report_err(local_err);
4042 exit(1);
4043 }
4044 }
4045
4046 machine_opts = qemu_get_machine_opts();
4047 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4048 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4049 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4050 bios_name = qemu_opt_get(machine_opts, "firmware");
4051
4052 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4053 if (opts) {
4054 Error *local_err = NULL;
4055
4056 boot_order = qemu_opt_get(opts, "order");
4057 if (boot_order) {
4058 validate_bootdevices(boot_order, &local_err);
4059 if (local_err) {
4060 error_report_err(local_err);
4061 exit(1);
4062 }
4063 }
4064
4065 boot_once = qemu_opt_get(opts, "once");
4066 if (boot_once) {
4067 validate_bootdevices(boot_once, &local_err);
4068 if (local_err) {
4069 error_report_err(local_err);
4070 exit(1);
4071 }
4072 }
4073
4074 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4075 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4076 }
4077
4078 if (!boot_order) {
4079 boot_order = machine_class->default_boot_order;
4080 }
4081
4082 if (!kernel_cmdline) {
4083 kernel_cmdline = "";
4084 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4085 }
4086
4087 linux_boot = (kernel_filename != NULL);
4088
4089 if (!linux_boot && *kernel_cmdline != '\0') {
4090 fprintf(stderr, "-append only allowed with -kernel option\n");
4091 exit(1);
4092 }
4093
4094 if (!linux_boot && initrd_filename != NULL) {
4095 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4096 exit(1);
4097 }
4098
4099 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4100 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4101 exit(1);
4102 }
4103
4104 os_set_line_buffering();
4105
4106 #ifdef CONFIG_SPICE
4107 /* spice needs the timers to be initialized by this point */
4108 qemu_spice_init();
4109 #endif
4110
4111 cpu_ticks_init();
4112 if (icount_opts) {
4113 if (kvm_enabled() || xen_enabled()) {
4114 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4115 exit(1);
4116 }
4117 configure_icount(icount_opts, &error_abort);
4118 qemu_opts_del(icount_opts);
4119 }
4120
4121 /* clean up network at qemu process termination */
4122 atexit(&net_cleanup);
4123
4124 if (net_init_clients() < 0) {
4125 exit(1);
4126 }
4127
4128 #ifdef CONFIG_TPM
4129 if (tpm_init() < 0) {
4130 exit(1);
4131 }
4132 #endif
4133
4134 /* init the bluetooth world */
4135 if (foreach_device_config(DEV_BT, bt_parse))
4136 exit(1);
4137
4138 if (!xen_enabled()) {
4139 /* On 32-bit hosts, QEMU is limited by virtual address space */
4140 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4141 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4142 exit(1);
4143 }
4144 }
4145
4146 blk_mig_init();
4147 ram_mig_init();
4148
4149 /* If the currently selected machine wishes to override the units-per-bus
4150 * property of its default HBA interface type, do so now. */
4151 if (machine_class->units_per_default_bus) {
4152 override_max_devs(machine_class->block_default_type,
4153 machine_class->units_per_default_bus);
4154 }
4155
4156 /* open the virtual block devices */
4157 if (snapshot)
4158 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4159 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4160 &machine_class->block_default_type, 1) != 0) {
4161 exit(1);
4162 }
4163
4164 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4165 CDROM_OPTS);
4166 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4167 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4168
4169 parse_numa_opts();
4170
4171 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4172 exit(1);
4173 }
4174
4175 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4176 exit(1);
4177 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4178 exit(1);
4179 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4180 exit(1);
4181 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4182 exit(1);
4183 }
4184 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4185 exit(1);
4186
4187 /* If no default VGA is requested, the default is "none". */
4188 if (default_vga) {
4189 if (machine_class->default_display) {
4190 vga_model = machine_class->default_display;
4191 } else if (cirrus_vga_available()) {
4192 vga_model = "cirrus";
4193 } else if (vga_available()) {
4194 vga_model = "std";
4195 }
4196 }
4197 if (vga_model) {
4198 select_vgahw(vga_model);
4199 }
4200
4201 if (watchdog) {
4202 i = select_watchdog(watchdog);
4203 if (i > 0)
4204 exit (i == 1 ? 1 : 0);
4205 }
4206
4207 if (machine_class->compat_props) {
4208 qdev_prop_register_global_list(machine_class->compat_props);
4209 }
4210 qemu_add_globals();
4211
4212 qdev_machine_init();
4213
4214 current_machine->ram_size = ram_size;
4215 current_machine->maxram_size = maxram_size;
4216 current_machine->ram_slots = ram_slots;
4217 current_machine->boot_order = boot_order;
4218 current_machine->cpu_model = cpu_model;
4219
4220 machine_class->init(current_machine);
4221
4222 realtime_init();
4223
4224 audio_init();
4225
4226 cpu_synchronize_all_post_init();
4227
4228 numa_post_machine_init();
4229
4230 /* init USB devices */
4231 if (usb_enabled()) {
4232 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4233 exit(1);
4234 }
4235
4236 /* init generic devices */
4237 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4238 exit(1);
4239
4240 /* Did we create any drives that we failed to create a device for? */
4241 drive_check_orphaned();
4242
4243 net_check_clients();
4244
4245 if (boot_once) {
4246 Error *local_err = NULL;
4247 qemu_boot_set(boot_once, &local_err);
4248 if (local_err) {
4249 error_report("%s", error_get_pretty(local_err));
4250 exit(1);
4251 }
4252 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4253 }
4254
4255 ds = init_displaystate();
4256
4257 /* init local displays */
4258 switch (display_type) {
4259 case DT_NOGRAPHIC:
4260 (void)ds; /* avoid warning if no display is configured */
4261 break;
4262 #if defined(CONFIG_CURSES)
4263 case DT_CURSES:
4264 curses_display_init(ds, full_screen);
4265 break;
4266 #endif
4267 #if defined(CONFIG_SDL)
4268 case DT_SDL:
4269 sdl_display_init(ds, full_screen, no_frame);
4270 break;
4271 #elif defined(CONFIG_COCOA)
4272 case DT_SDL:
4273 cocoa_display_init(ds, full_screen);
4274 break;
4275 #endif
4276 #if defined(CONFIG_GTK)
4277 case DT_GTK:
4278 gtk_display_init(ds, full_screen, grab_on_hover);
4279 break;
4280 #endif
4281 default:
4282 break;
4283 }
4284
4285 /* must be after terminal init, SDL library changes signal handlers */
4286 os_setup_signal_handling();
4287
4288 #ifdef CONFIG_VNC
4289 /* init remote displays */
4290 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4291 if (show_vnc_port) {
4292 printf("VNC server running on `%s'\n",
4293 vnc_display_local_addr("default"));
4294 }
4295 #endif
4296 #ifdef CONFIG_SPICE
4297 if (using_spice) {
4298 qemu_spice_display_init();
4299 }
4300 #endif
4301
4302 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4303 exit(1);
4304 }
4305
4306 qdev_machine_creation_done();
4307
4308 if (rom_load_all() != 0) {
4309 fprintf(stderr, "rom loading failed\n");
4310 exit(1);
4311 }
4312
4313 /* TODO: once all bus devices are qdevified, this should be done
4314 * when bus is created by qdev.c */
4315 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4316 qemu_run_machine_init_done_notifiers();
4317
4318 /* Done notifiers can load ROMs */
4319 rom_load_done();
4320
4321 qemu_system_reset(VMRESET_SILENT);
4322 if (loadvm) {
4323 if (load_vmstate(loadvm) < 0) {
4324 autostart = 0;
4325 }
4326 }
4327
4328 qdev_prop_check_globals();
4329 if (vmstate_dump_file) {
4330 /* dump and exit */
4331 dump_vmstate_json_to_file(vmstate_dump_file);
4332 return 0;
4333 }
4334
4335 if (incoming) {
4336 Error *local_err = NULL;
4337 qemu_start_incoming_migration(incoming, &local_err);
4338 if (local_err) {
4339 error_report("-incoming %s: %s", incoming,
4340 error_get_pretty(local_err));
4341 error_free(local_err);
4342 exit(1);
4343 }
4344 } else if (autostart) {
4345 vm_start();
4346 }
4347
4348 os_setup_post();
4349
4350 if (is_daemonized()) {
4351 if (!trace_init_backends(trace_events, trace_file)) {
4352 exit(1);
4353 }
4354 }
4355
4356 main_loop();
4357 bdrv_close_all();
4358 pause_all_vcpus();
4359 res_free();
4360 #ifdef CONFIG_TPM
4361 tpm_cleanup();
4362 #endif
4363
4364 return 0;
4365 }
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