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25#include "qemu/osdep.h"
26#include "qemu-common.h"
27#include "qemu/units.h"
28#include "hw/qdev-properties.h"
29#include "qapi/error.h"
30#include "qemu-version.h"
31#include "qemu/cutils.h"
32#include "qemu/help_option.h"
33#include "qemu/uuid.h"
34#include "sysemu/reset.h"
35#include "sysemu/runstate.h"
36#include "sysemu/seccomp.h"
37#include "sysemu/tcg.h"
38
39#ifdef CONFIG_SDL
40#if defined(__APPLE__) || defined(main)
41#include <SDL.h>
42int qemu_main(int argc, char **argv, char **envp);
43int main(int argc, char **argv)
44{
45 return qemu_main(argc, argv, NULL);
46}
47#undef main
48#define main qemu_main
49#endif
50#endif
51
52#ifdef CONFIG_COCOA
53#undef main
54#define main qemu_main
55#endif
56
57
58#include "qemu/error-report.h"
59#include "qemu/sockets.h"
60#include "sysemu/accel.h"
61#include "hw/usb.h"
62#include "hw/isa/isa.h"
63#include "hw/scsi/scsi.h"
64#include "hw/display/vga.h"
65#include "hw/bt.h"
66#include "sysemu/watchdog.h"
67#include "hw/firmware/smbios.h"
68#include "hw/acpi/acpi.h"
69#include "hw/xen/xen.h"
70#include "hw/loader.h"
71#include "monitor/qdev.h"
72#include "sysemu/bt.h"
73#include "net/net.h"
74#include "net/slirp.h"
75#include "monitor/monitor.h"
76#include "ui/console.h"
77#include "ui/input.h"
78#include "sysemu/sysemu.h"
79#include "sysemu/numa.h"
80#include "exec/gdbstub.h"
81#include "qemu/timer.h"
82#include "chardev/char.h"
83#include "qemu/bitmap.h"
84#include "qemu/log.h"
85#include "sysemu/blockdev.h"
86#include "hw/block/block.h"
87#include "migration/misc.h"
88#include "migration/snapshot.h"
89#include "migration/global_state.h"
90#include "sysemu/tpm.h"
91#include "sysemu/dma.h"
92#include "hw/audio/soundhw.h"
93#include "audio/audio.h"
94#include "sysemu/cpus.h"
95#include "migration/colo.h"
96#include "migration/postcopy-ram.h"
97#include "sysemu/kvm.h"
98#include "sysemu/hax.h"
99#include "qapi/qobject-input-visitor.h"
100#include "qemu/option.h"
101#include "qemu/config-file.h"
102#include "qemu-options.h"
103#include "qemu/main-loop.h"
104#ifdef CONFIG_VIRTFS
105#include "fsdev/qemu-fsdev.h"
106#endif
107#include "sysemu/qtest.h"
108
109#include "disas/disas.h"
110
111#include "trace-root.h"
112#include "trace/control.h"
113#include "qemu/plugin.h"
114#include "qemu/queue.h"
115#include "sysemu/arch_init.h"
116
117#include "ui/qemu-spice.h"
118#include "qapi/string-input-visitor.h"
119#include "qapi/opts-visitor.h"
120#include "qapi/clone-visitor.h"
121#include "qom/object_interfaces.h"
122#include "hw/semihosting/semihost.h"
123#include "crypto/init.h"
124#include "sysemu/replay.h"
125#include "qapi/qapi-events-run-state.h"
126#include "qapi/qapi-visit-block-core.h"
127#include "qapi/qapi-visit-ui.h"
128#include "qapi/qapi-commands-block-core.h"
129#include "qapi/qapi-commands-run-state.h"
130#include "qapi/qapi-commands-ui.h"
131#include "qapi/qmp/qerror.h"
132#include "sysemu/iothread.h"
133#include "qemu/guest-random.h"
134
135#define MAX_VIRTIO_CONSOLES 1
136
137static const char *data_dir[16];
138static int data_dir_idx;
139const char *bios_name = NULL;
140enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141int display_opengl;
142const char* keyboard_layout = NULL;
143ram_addr_t ram_size;
144const char *mem_path = NULL;
145int mem_prealloc = 0;
146bool enable_mlock = false;
147bool enable_cpu_pm = false;
148int nb_nics;
149NICInfo nd_table[MAX_NICS];
150int autostart;
151static enum {
152 RTC_BASE_UTC,
153 RTC_BASE_LOCALTIME,
154 RTC_BASE_DATETIME,
155} rtc_base_type = RTC_BASE_UTC;
156static time_t rtc_ref_start_datetime;
157static int rtc_realtime_clock_offset;
158static int rtc_host_datetime_offset = -1;
159
160QEMUClockType rtc_clock;
161int vga_interface_type = VGA_NONE;
162static DisplayOptions dpy;
163static int num_serial_hds;
164static Chardev **serial_hds;
165Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166int win2k_install_hack = 0;
167int singlestep = 0;
168int acpi_enabled = 1;
169int no_hpet = 0;
170int fd_bootchk = 1;
171static int no_reboot;
172int no_shutdown = 0;
173int cursor_hide = 1;
174int graphic_rotate = 0;
175const char *watchdog;
176QEMUOptionRom option_rom[MAX_OPTION_ROMS];
177int nb_option_roms;
178int old_param = 0;
179const char *qemu_name;
180int alt_grab = 0;
181int ctrl_grab = 0;
182unsigned int nb_prom_envs = 0;
183const char *prom_envs[MAX_PROM_ENVS];
184int boot_menu;
185bool boot_strict;
186uint8_t *boot_splash_filedata;
187int only_migratable;
188bool wakeup_suspend_enabled;
189
190int icount_align_option;
191
192
193
194
195QemuUUID qemu_uuid;
196bool qemu_uuid_set;
197
198static NotifierList exit_notifiers =
199 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
200
201static NotifierList machine_init_done_notifiers =
202 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
203
204bool xen_allowed;
205uint32_t xen_domid;
206enum xen_mode xen_mode = XEN_EMULATE;
207bool xen_domid_restrict;
208
209static int has_defaults = 1;
210static int default_serial = 1;
211static int default_parallel = 1;
212static int default_monitor = 1;
213static int default_floppy = 1;
214static int default_cdrom = 1;
215static int default_sdcard = 1;
216static int default_vga = 1;
217static int default_net = 1;
218
219static struct {
220 const char *driver;
221 int *flag;
222} default_list[] = {
223 { .driver = "isa-serial", .flag = &default_serial },
224 { .driver = "isa-parallel", .flag = &default_parallel },
225 { .driver = "isa-fdc", .flag = &default_floppy },
226 { .driver = "floppy", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "scsi-hd", .flag = &default_cdrom },
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
238 { .driver = "virtio-vga", .flag = &default_vga },
239 { .driver = "ati-vga", .flag = &default_vga },
240 { .driver = "vhost-user-vga", .flag = &default_vga },
241};
242
243static QemuOptsList qemu_rtc_opts = {
244 .name = "rtc",
245 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
246 .merge_lists = true,
247 .desc = {
248 {
249 .name = "base",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "clock",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "driftfix",
256 .type = QEMU_OPT_STRING,
257 },
258 { }
259 },
260};
261
262static QemuOptsList qemu_option_rom_opts = {
263 .name = "option-rom",
264 .implied_opt_name = "romfile",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
266 .desc = {
267 {
268 .name = "bootindex",
269 .type = QEMU_OPT_NUMBER,
270 }, {
271 .name = "romfile",
272 .type = QEMU_OPT_STRING,
273 },
274 { }
275 },
276};
277
278static QemuOptsList qemu_machine_opts = {
279 .name = "machine",
280 .implied_opt_name = "type",
281 .merge_lists = true,
282 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
283 .desc = {
284
285
286
287
288
289 { }
290 },
291};
292
293static QemuOptsList qemu_accel_opts = {
294 .name = "accel",
295 .implied_opt_name = "accel",
296 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
297 .merge_lists = true,
298 .desc = {
299 {
300 .name = "accel",
301 .type = QEMU_OPT_STRING,
302 .help = "Select the type of accelerator",
303 },
304 {
305 .name = "thread",
306 .type = QEMU_OPT_STRING,
307 .help = "Enable/disable multi-threaded TCG",
308 },
309 { }
310 },
311};
312
313static QemuOptsList qemu_boot_opts = {
314 .name = "boot-opts",
315 .implied_opt_name = "order",
316 .merge_lists = true,
317 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
318 .desc = {
319 {
320 .name = "order",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "once",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "menu",
327 .type = QEMU_OPT_BOOL,
328 }, {
329 .name = "splash",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "splash-time",
333 .type = QEMU_OPT_NUMBER,
334 }, {
335 .name = "reboot-timeout",
336 .type = QEMU_OPT_NUMBER,
337 }, {
338 .name = "strict",
339 .type = QEMU_OPT_BOOL,
340 },
341 { }
342 },
343};
344
345static QemuOptsList qemu_add_fd_opts = {
346 .name = "add-fd",
347 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
348 .desc = {
349 {
350 .name = "fd",
351 .type = QEMU_OPT_NUMBER,
352 .help = "file descriptor of which a duplicate is added to fd set",
353 },{
354 .name = "set",
355 .type = QEMU_OPT_NUMBER,
356 .help = "ID of the fd set to add fd to",
357 },{
358 .name = "opaque",
359 .type = QEMU_OPT_STRING,
360 .help = "free-form string used to describe fd",
361 },
362 { }
363 },
364};
365
366static QemuOptsList qemu_object_opts = {
367 .name = "object",
368 .implied_opt_name = "qom-type",
369 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
370 .desc = {
371 { }
372 },
373};
374
375static QemuOptsList qemu_tpmdev_opts = {
376 .name = "tpmdev",
377 .implied_opt_name = "type",
378 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
379 .desc = {
380
381 { }
382 },
383};
384
385static QemuOptsList qemu_realtime_opts = {
386 .name = "realtime",
387 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
388 .desc = {
389 {
390 .name = "mlock",
391 .type = QEMU_OPT_BOOL,
392 },
393 { }
394 },
395};
396
397static QemuOptsList qemu_overcommit_opts = {
398 .name = "overcommit",
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
400 .desc = {
401 {
402 .name = "mem-lock",
403 .type = QEMU_OPT_BOOL,
404 },
405 {
406 .name = "cpu-pm",
407 .type = QEMU_OPT_BOOL,
408 },
409 { }
410 },
411};
412
413static QemuOptsList qemu_msg_opts = {
414 .name = "msg",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
416 .desc = {
417 {
418 .name = "timestamp",
419 .type = QEMU_OPT_BOOL,
420 },
421 { }
422 },
423};
424
425static QemuOptsList qemu_name_opts = {
426 .name = "name",
427 .implied_opt_name = "guest",
428 .merge_lists = true,
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
430 .desc = {
431 {
432 .name = "guest",
433 .type = QEMU_OPT_STRING,
434 .help = "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
437 }, {
438 .name = "process",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the QEMU process, as shown in top etc",
441 }, {
442 .name = "debug-threads",
443 .type = QEMU_OPT_BOOL,
444 .help = "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
446 "stable API.",
447 },
448 { }
449 },
450};
451
452static QemuOptsList qemu_mem_opts = {
453 .name = "memory",
454 .implied_opt_name = "size",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
456 .merge_lists = true,
457 .desc = {
458 {
459 .name = "size",
460 .type = QEMU_OPT_SIZE,
461 },
462 {
463 .name = "slots",
464 .type = QEMU_OPT_NUMBER,
465 },
466 {
467 .name = "maxmem",
468 .type = QEMU_OPT_SIZE,
469 },
470 { }
471 },
472};
473
474static QemuOptsList qemu_icount_opts = {
475 .name = "icount",
476 .implied_opt_name = "shift",
477 .merge_lists = true,
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
479 .desc = {
480 {
481 .name = "shift",
482 .type = QEMU_OPT_STRING,
483 }, {
484 .name = "align",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "sleep",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "rr",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrfile",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "rrsnapshot",
497 .type = QEMU_OPT_STRING,
498 },
499 { }
500 },
501};
502
503static QemuOptsList qemu_fw_cfg_opts = {
504 .name = "fw_cfg",
505 .implied_opt_name = "name",
506 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
507 .desc = {
508 {
509 .name = "name",
510 .type = QEMU_OPT_STRING,
511 .help = "Sets the fw_cfg name of the blob to be inserted",
512 }, {
513 .name = "file",
514 .type = QEMU_OPT_STRING,
515 .help = "Sets the name of the file from which "
516 "the fw_cfg blob will be loaded",
517 }, {
518 .name = "string",
519 .type = QEMU_OPT_STRING,
520 .help = "Sets content of the blob to be inserted from a string",
521 },
522 { }
523 },
524};
525
526
527
528
529
530
531QemuOpts *qemu_get_machine_opts(void)
532{
533 return qemu_find_opts_singleton("machine");
534}
535
536const char *qemu_get_vm_name(void)
537{
538 return qemu_name;
539}
540
541static void res_free(void)
542{
543 g_free(boot_splash_filedata);
544 boot_splash_filedata = NULL;
545}
546
547static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
548{
549 const char *driver = qemu_opt_get(opts, "driver");
550 int i;
551
552 if (!driver)
553 return 0;
554 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
555 if (strcmp(default_list[i].driver, driver) != 0)
556 continue;
557 *(default_list[i].flag) = 0;
558 }
559 return 0;
560}
561
562
563
564
565static RunState current_run_state = RUN_STATE_PRECONFIG;
566
567
568static RunState vmstop_requested = RUN_STATE__MAX;
569static QemuMutex vmstop_lock;
570
571typedef struct {
572 RunState from;
573 RunState to;
574} RunStateTransition;
575
576static const RunStateTransition runstate_transitions_def[] = {
577
578 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
579
580
581
582
583 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
584
585 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
586 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
588
589 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
591 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
594 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
595 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
596 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
597 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
599 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
600 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
601
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
603 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
607 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
609
610 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
611 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
613 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
614 { RUN_STATE_PAUSED, RUN_STATE_COLO},
615
616 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
621 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
623
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
625 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
626 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
627 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
628 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
629
630 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
631 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
632
633 { RUN_STATE_COLO, RUN_STATE_RUNNING },
634
635 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
636 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
638 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
639 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
642 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
643 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
644 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
645 { RUN_STATE_RUNNING, RUN_STATE_COLO},
646
647 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
648
649 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
650 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
651 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
652
653 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
654 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
655 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
656 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
658 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
659
660 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
661 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
662 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
663 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
664
665 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
666 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
668
669 { RUN_STATE__MAX, RUN_STATE__MAX },
670};
671
672static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
673
674bool runstate_check(RunState state)
675{
676 return current_run_state == state;
677}
678
679bool runstate_store(char *str, size_t size)
680{
681 const char *state = RunState_str(current_run_state);
682 size_t len = strlen(state) + 1;
683
684 if (len > size) {
685 return false;
686 }
687 memcpy(str, state, len);
688 return true;
689}
690
691static void runstate_init(void)
692{
693 const RunStateTransition *p;
694
695 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
696 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
697 runstate_valid_transitions[p->from][p->to] = true;
698 }
699
700 qemu_mutex_init(&vmstop_lock);
701}
702
703
704void runstate_set(RunState new_state)
705{
706 assert(new_state < RUN_STATE__MAX);
707
708 trace_runstate_set(current_run_state, RunState_str(current_run_state),
709 new_state, RunState_str(new_state));
710
711 if (current_run_state == new_state) {
712 return;
713 }
714
715 if (!runstate_valid_transitions[current_run_state][new_state]) {
716 error_report("invalid runstate transition: '%s' -> '%s'",
717 RunState_str(current_run_state),
718 RunState_str(new_state));
719 abort();
720 }
721
722 current_run_state = new_state;
723}
724
725int runstate_is_running(void)
726{
727 return runstate_check(RUN_STATE_RUNNING);
728}
729
730bool runstate_needs_reset(void)
731{
732 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
733 runstate_check(RUN_STATE_SHUTDOWN);
734}
735
736StatusInfo *qmp_query_status(Error **errp)
737{
738 StatusInfo *info = g_malloc0(sizeof(*info));
739
740 info->running = runstate_is_running();
741 info->singlestep = singlestep;
742 info->status = current_run_state;
743
744 return info;
745}
746
747bool qemu_vmstop_requested(RunState *r)
748{
749 qemu_mutex_lock(&vmstop_lock);
750 *r = vmstop_requested;
751 vmstop_requested = RUN_STATE__MAX;
752 qemu_mutex_unlock(&vmstop_lock);
753 return *r < RUN_STATE__MAX;
754}
755
756void qemu_system_vmstop_request_prepare(void)
757{
758 qemu_mutex_lock(&vmstop_lock);
759}
760
761void qemu_system_vmstop_request(RunState state)
762{
763 vmstop_requested = state;
764 qemu_mutex_unlock(&vmstop_lock);
765 qemu_notify_event();
766}
767
768
769
770static time_t qemu_ref_timedate(QEMUClockType clock)
771{
772 time_t value = qemu_clock_get_ms(clock) / 1000;
773 switch (clock) {
774 case QEMU_CLOCK_REALTIME:
775 value -= rtc_realtime_clock_offset;
776
777 case QEMU_CLOCK_VIRTUAL:
778 value += rtc_ref_start_datetime;
779 break;
780 case QEMU_CLOCK_HOST:
781 if (rtc_base_type == RTC_BASE_DATETIME) {
782 value -= rtc_host_datetime_offset;
783 }
784 break;
785 default:
786 assert(0);
787 }
788 return value;
789}
790
791void qemu_get_timedate(struct tm *tm, int offset)
792{
793 time_t ti = qemu_ref_timedate(rtc_clock);
794
795 ti += offset;
796
797 switch (rtc_base_type) {
798 case RTC_BASE_DATETIME:
799 case RTC_BASE_UTC:
800 gmtime_r(&ti, tm);
801 break;
802 case RTC_BASE_LOCALTIME:
803 localtime_r(&ti, tm);
804 break;
805 }
806}
807
808int qemu_timedate_diff(struct tm *tm)
809{
810 time_t seconds;
811
812 switch (rtc_base_type) {
813 case RTC_BASE_DATETIME:
814 case RTC_BASE_UTC:
815 seconds = mktimegm(tm);
816 break;
817 case RTC_BASE_LOCALTIME:
818 {
819 struct tm tmp = *tm;
820 tmp.tm_isdst = -1;
821 seconds = mktime(&tmp);
822 break;
823 }
824 default:
825 abort();
826 }
827
828 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
829}
830
831static void configure_rtc_base_datetime(const char *startdate)
832{
833 time_t rtc_start_datetime;
834 struct tm tm;
835
836 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
837 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
838
839 } else if (sscanf(startdate, "%d-%d-%d",
840 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
841 tm.tm_hour = 0;
842 tm.tm_min = 0;
843 tm.tm_sec = 0;
844 } else {
845 goto date_fail;
846 }
847 tm.tm_year -= 1900;
848 tm.tm_mon--;
849 rtc_start_datetime = mktimegm(&tm);
850 if (rtc_start_datetime == -1) {
851 date_fail:
852 error_report("invalid datetime format");
853 error_printf("valid formats: "
854 "'2006-06-17T16:01:21' or '2006-06-17'\n");
855 exit(1);
856 }
857 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
858 rtc_ref_start_datetime = rtc_start_datetime;
859}
860
861static void configure_rtc(QemuOpts *opts)
862{
863 const char *value;
864
865
866 rtc_clock = QEMU_CLOCK_HOST;
867 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
868 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
869
870 value = qemu_opt_get(opts, "base");
871 if (value) {
872 if (!strcmp(value, "utc")) {
873 rtc_base_type = RTC_BASE_UTC;
874 } else if (!strcmp(value, "localtime")) {
875 Error *blocker = NULL;
876 rtc_base_type = RTC_BASE_LOCALTIME;
877 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
878 "-rtc base=localtime");
879 replay_add_blocker(blocker);
880 } else {
881 rtc_base_type = RTC_BASE_DATETIME;
882 configure_rtc_base_datetime(value);
883 }
884 }
885 value = qemu_opt_get(opts, "clock");
886 if (value) {
887 if (!strcmp(value, "host")) {
888 rtc_clock = QEMU_CLOCK_HOST;
889 } else if (!strcmp(value, "rt")) {
890 rtc_clock = QEMU_CLOCK_REALTIME;
891 } else if (!strcmp(value, "vm")) {
892 rtc_clock = QEMU_CLOCK_VIRTUAL;
893 } else {
894 error_report("invalid option value '%s'", value);
895 exit(1);
896 }
897 }
898 value = qemu_opt_get(opts, "driftfix");
899 if (value) {
900 if (!strcmp(value, "slew")) {
901 static GlobalProperty slew_lost_ticks = {
902 .driver = "mc146818rtc",
903 .property = "lost_tick_policy",
904 .value = "slew",
905 };
906
907 qdev_prop_register_global(&slew_lost_ticks);
908 } else if (!strcmp(value, "none")) {
909
910 } else {
911 error_report("invalid option value '%s'", value);
912 exit(1);
913 }
914 }
915}
916
917
918
919static int nb_hcis;
920static int cur_hci;
921static struct HCIInfo *hci_table[MAX_NICS];
922
923struct HCIInfo *qemu_next_hci(void)
924{
925 if (cur_hci == nb_hcis)
926 return &null_hci;
927
928 return hci_table[cur_hci++];
929}
930
931static int bt_hci_parse(const char *str)
932{
933 struct HCIInfo *hci;
934 bdaddr_t bdaddr;
935
936 if (nb_hcis >= MAX_NICS) {
937 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
938 return -1;
939 }
940
941 hci = hci_init(str);
942 if (!hci)
943 return -1;
944
945 bdaddr.b[0] = 0x52;
946 bdaddr.b[1] = 0x54;
947 bdaddr.b[2] = 0x00;
948 bdaddr.b[3] = 0x12;
949 bdaddr.b[4] = 0x34;
950 bdaddr.b[5] = 0x56 + nb_hcis;
951 hci->bdaddr_set(hci, bdaddr.b);
952
953 hci_table[nb_hcis++] = hci;
954
955 return 0;
956}
957
958static void bt_vhci_add(int vlan_id)
959{
960 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
961
962 if (!vlan->slave)
963 warn_report("adding a VHCI to an empty scatternet %i",
964 vlan_id);
965
966 bt_vhci_init(bt_new_hci(vlan));
967}
968
969static struct bt_device_s *bt_device_add(const char *opt)
970{
971 struct bt_scatternet_s *vlan;
972 int vlan_id = 0;
973 char *endp = strstr(opt, ",vlan=");
974 int len = (endp ? endp - opt : strlen(opt)) + 1;
975 char devname[10];
976
977 pstrcpy(devname, MIN(sizeof(devname), len), opt);
978
979 if (endp) {
980 vlan_id = strtol(endp + 6, &endp, 0);
981 if (*endp) {
982 error_report("unrecognised bluetooth vlan Id");
983 return 0;
984 }
985 }
986
987 vlan = qemu_find_bt_vlan(vlan_id);
988
989 if (!vlan->slave)
990 warn_report("adding a slave device to an empty scatternet %i",
991 vlan_id);
992
993 if (!strcmp(devname, "keyboard"))
994 return bt_keyboard_init(vlan);
995
996 error_report("unsupported bluetooth device '%s'", devname);
997 return 0;
998}
999
1000static int bt_parse(const char *opt)
1001{
1002 const char *endp, *p;
1003 int vlan;
1004
1005 if (strstart(opt, "hci", &endp)) {
1006 if (!*endp || *endp == ',') {
1007 if (*endp)
1008 if (!strstart(endp, ",vlan=", 0))
1009 opt = endp + 1;
1010
1011 return bt_hci_parse(opt);
1012 }
1013 } else if (strstart(opt, "vhci", &endp)) {
1014 if (!*endp || *endp == ',') {
1015 if (*endp) {
1016 if (strstart(endp, ",vlan=", &p)) {
1017 vlan = strtol(p, (char **) &endp, 0);
1018 if (*endp) {
1019 error_report("bad scatternet '%s'", p);
1020 return 1;
1021 }
1022 } else {
1023 error_report("bad parameter '%s'", endp + 1);
1024 return 1;
1025 }
1026 } else
1027 vlan = 0;
1028
1029 bt_vhci_add(vlan);
1030 return 0;
1031 }
1032 } else if (strstart(opt, "device:", &endp))
1033 return !bt_device_add(endp);
1034
1035 error_report("bad bluetooth parameter '%s'", opt);
1036 return 1;
1037}
1038
1039static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1040{
1041 const char *proc_name;
1042
1043 if (qemu_opt_get(opts, "debug-threads")) {
1044 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1045 }
1046 qemu_name = qemu_opt_get(opts, "guest");
1047
1048 proc_name = qemu_opt_get(opts, "process");
1049 if (proc_name) {
1050 os_set_proc_name(proc_name);
1051 }
1052
1053 return 0;
1054}
1055
1056bool defaults_enabled(void)
1057{
1058 return has_defaults;
1059}
1060
1061#ifndef _WIN32
1062static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1063{
1064 int fd, dupfd, flags;
1065 int64_t fdset_id;
1066 const char *fd_opaque = NULL;
1067 AddfdInfo *fdinfo;
1068
1069 fd = qemu_opt_get_number(opts, "fd", -1);
1070 fdset_id = qemu_opt_get_number(opts, "set", -1);
1071 fd_opaque = qemu_opt_get(opts, "opaque");
1072
1073 if (fd < 0) {
1074 error_setg(errp, "fd option is required and must be non-negative");
1075 return -1;
1076 }
1077
1078 if (fd <= STDERR_FILENO) {
1079 error_setg(errp, "fd cannot be a standard I/O stream");
1080 return -1;
1081 }
1082
1083
1084
1085
1086
1087 flags = fcntl(fd, F_GETFD);
1088 if (flags == -1 || (flags & FD_CLOEXEC)) {
1089 error_setg(errp, "fd is not valid or already in use");
1090 return -1;
1091 }
1092
1093 if (fdset_id < 0) {
1094 error_setg(errp, "set option is required and must be non-negative");
1095 return -1;
1096 }
1097
1098#ifdef F_DUPFD_CLOEXEC
1099 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1100#else
1101 dupfd = dup(fd);
1102 if (dupfd != -1) {
1103 qemu_set_cloexec(dupfd);
1104 }
1105#endif
1106 if (dupfd == -1) {
1107 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1108 return -1;
1109 }
1110
1111
1112 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1113 &error_abort);
1114 g_free(fdinfo);
1115
1116 return 0;
1117}
1118
1119static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1120{
1121 int fd;
1122
1123 fd = qemu_opt_get_number(opts, "fd", -1);
1124 close(fd);
1125
1126 return 0;
1127}
1128#endif
1129
1130
1131
1132
1133#define HD_OPTS "media=disk"
1134#define CDROM_OPTS "media=cdrom"
1135#define FD_OPTS ""
1136#define PFLASH_OPTS ""
1137#define MTD_OPTS ""
1138#define SD_OPTS ""
1139
1140static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1141{
1142 BlockInterfaceType *block_default_type = opaque;
1143
1144 return drive_new(opts, *block_default_type, errp) == NULL;
1145}
1146
1147static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1148{
1149 if (qemu_opt_get(opts, "snapshot") == NULL) {
1150 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1151 }
1152 return 0;
1153}
1154
1155static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1156 int index, const char *optstr)
1157{
1158 QemuOpts *opts;
1159 DriveInfo *dinfo;
1160
1161 if (!enable || drive_get_by_index(type, index)) {
1162 return;
1163 }
1164
1165 opts = drive_add(type, index, NULL, optstr);
1166 if (snapshot) {
1167 drive_enable_snapshot(NULL, opts, NULL);
1168 }
1169
1170 dinfo = drive_new(opts, type, &error_abort);
1171 dinfo->is_default = true;
1172
1173}
1174
1175typedef struct BlockdevOptionsQueueEntry {
1176 BlockdevOptions *bdo;
1177 Location loc;
1178 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1179} BlockdevOptionsQueueEntry;
1180
1181typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1182
1183static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1184 MachineClass *machine_class, int snapshot)
1185{
1186
1187
1188
1189
1190
1191 if (machine_class->units_per_default_bus) {
1192 override_max_devs(machine_class->block_default_type,
1193 machine_class->units_per_default_bus);
1194 }
1195
1196
1197 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1198 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1199
1200 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1201 loc_push_restore(&bdo->loc);
1202 qmp_blockdev_add(bdo->bdo, &error_fatal);
1203 loc_pop(&bdo->loc);
1204 qapi_free_BlockdevOptions(bdo->bdo);
1205 g_free(bdo);
1206 }
1207 if (snapshot) {
1208 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1209 NULL, NULL);
1210 }
1211 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1212 &machine_class->block_default_type, &error_fatal)) {
1213
1214 exit(0);
1215 }
1216
1217 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1218 CDROM_OPTS);
1219 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1220 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1221
1222}
1223
1224static QemuOptsList qemu_smp_opts = {
1225 .name = "smp-opts",
1226 .implied_opt_name = "cpus",
1227 .merge_lists = true,
1228 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1229 .desc = {
1230 {
1231 .name = "cpus",
1232 .type = QEMU_OPT_NUMBER,
1233 }, {
1234 .name = "sockets",
1235 .type = QEMU_OPT_NUMBER,
1236 }, {
1237 .name = "dies",
1238 .type = QEMU_OPT_NUMBER,
1239 }, {
1240 .name = "cores",
1241 .type = QEMU_OPT_NUMBER,
1242 }, {
1243 .name = "threads",
1244 .type = QEMU_OPT_NUMBER,
1245 }, {
1246 .name = "maxcpus",
1247 .type = QEMU_OPT_NUMBER,
1248 },
1249 { }
1250 },
1251};
1252
1253static void realtime_init(void)
1254{
1255 if (enable_mlock) {
1256 if (os_mlock() < 0) {
1257 error_report("locking memory failed");
1258 exit(1);
1259 }
1260 }
1261}
1262
1263
1264static void configure_msg(QemuOpts *opts)
1265{
1266 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1267}
1268
1269
1270
1271bool has_igd_gfx_passthru;
1272static void igd_gfx_passthru(void)
1273{
1274 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1275}
1276
1277
1278
1279
1280static int usb_device_add(const char *devname)
1281{
1282 USBDevice *dev = NULL;
1283
1284 if (!machine_usb(current_machine)) {
1285 return -1;
1286 }
1287
1288 dev = usbdevice_create(devname);
1289 if (!dev)
1290 return -1;
1291
1292 return 0;
1293}
1294
1295static int usb_parse(const char *cmdline)
1296{
1297 int r;
1298 r = usb_device_add(cmdline);
1299 if (r < 0) {
1300 error_report("could not add USB device '%s'", cmdline);
1301 }
1302 return r;
1303}
1304
1305
1306
1307
1308MachineState *current_machine;
1309
1310static MachineClass *find_machine(const char *name, GSList *machines)
1311{
1312 GSList *el;
1313
1314 for (el = machines; el; el = el->next) {
1315 MachineClass *mc = el->data;
1316
1317 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1318 return mc;
1319 }
1320 }
1321
1322 return NULL;
1323}
1324
1325static MachineClass *find_default_machine(GSList *machines)
1326{
1327 GSList *el;
1328
1329 for (el = machines; el; el = el->next) {
1330 MachineClass *mc = el->data;
1331
1332 if (mc->is_default) {
1333 return mc;
1334 }
1335 }
1336
1337 return NULL;
1338}
1339
1340static int machine_help_func(QemuOpts *opts, MachineState *machine)
1341{
1342 ObjectProperty *prop;
1343 ObjectPropertyIterator iter;
1344
1345 if (!qemu_opt_has_help_opt(opts)) {
1346 return 0;
1347 }
1348
1349 object_property_iter_init(&iter, OBJECT(machine));
1350 while ((prop = object_property_iter_next(&iter))) {
1351 if (!prop->set) {
1352 continue;
1353 }
1354
1355 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1356 prop->name, prop->type);
1357 if (prop->description) {
1358 printf(" (%s)\n", prop->description);
1359 } else {
1360 printf("\n");
1361 }
1362 }
1363
1364 return 1;
1365}
1366
1367struct VMChangeStateEntry {
1368 VMChangeStateHandler *cb;
1369 void *opaque;
1370 QTAILQ_ENTRY(VMChangeStateEntry) entries;
1371 int priority;
1372};
1373
1374static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1389 VMChangeStateHandler *cb, void *opaque, int priority)
1390{
1391 VMChangeStateEntry *e;
1392 VMChangeStateEntry *other;
1393
1394 e = g_malloc0(sizeof(*e));
1395 e->cb = cb;
1396 e->opaque = opaque;
1397 e->priority = priority;
1398
1399
1400 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1401 if (priority < other->priority) {
1402 QTAILQ_INSERT_BEFORE(other, e, entries);
1403 return e;
1404 }
1405 }
1406
1407 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
1408 return e;
1409}
1410
1411VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1412 void *opaque)
1413{
1414 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1415}
1416
1417void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1418{
1419 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1420 g_free(e);
1421}
1422
1423void vm_state_notify(int running, RunState state)
1424{
1425 VMChangeStateEntry *e, *next;
1426
1427 trace_vm_state_notify(running, state, RunState_str(state));
1428
1429 if (running) {
1430 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1431 e->cb(e->opaque, running, state);
1432 }
1433 } else {
1434 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1435 e->cb(e->opaque, running, state);
1436 }
1437 }
1438}
1439
1440static ShutdownCause reset_requested;
1441static ShutdownCause shutdown_requested;
1442static int shutdown_signal;
1443static pid_t shutdown_pid;
1444static int powerdown_requested;
1445static int debug_requested;
1446static int suspend_requested;
1447static bool preconfig_exit_requested = true;
1448static WakeupReason wakeup_reason;
1449static NotifierList powerdown_notifiers =
1450 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1451static NotifierList suspend_notifiers =
1452 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1453static NotifierList wakeup_notifiers =
1454 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1455static NotifierList shutdown_notifiers =
1456 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1457static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1458
1459ShutdownCause qemu_shutdown_requested_get(void)
1460{
1461 return shutdown_requested;
1462}
1463
1464ShutdownCause qemu_reset_requested_get(void)
1465{
1466 return reset_requested;
1467}
1468
1469static int qemu_shutdown_requested(void)
1470{
1471 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1472}
1473
1474static void qemu_kill_report(void)
1475{
1476 if (!qtest_driver() && shutdown_signal) {
1477 if (shutdown_pid == 0) {
1478
1479
1480
1481 error_report("terminating on signal %d", shutdown_signal);
1482 } else {
1483 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1484
1485 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1486 shutdown_signal, shutdown_pid,
1487 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1488 g_free(shutdown_cmd);
1489 }
1490 shutdown_signal = 0;
1491 }
1492}
1493
1494static ShutdownCause qemu_reset_requested(void)
1495{
1496 ShutdownCause r = reset_requested;
1497
1498 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1499 reset_requested = SHUTDOWN_CAUSE_NONE;
1500 return r;
1501 }
1502 return SHUTDOWN_CAUSE_NONE;
1503}
1504
1505static int qemu_suspend_requested(void)
1506{
1507 int r = suspend_requested;
1508 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1509 suspend_requested = 0;
1510 return r;
1511 }
1512 return false;
1513}
1514
1515static WakeupReason qemu_wakeup_requested(void)
1516{
1517 return wakeup_reason;
1518}
1519
1520static int qemu_powerdown_requested(void)
1521{
1522 int r = powerdown_requested;
1523 powerdown_requested = 0;
1524 return r;
1525}
1526
1527static int qemu_debug_requested(void)
1528{
1529 int r = debug_requested;
1530 debug_requested = 0;
1531 return r;
1532}
1533
1534void qemu_exit_preconfig_request(void)
1535{
1536 preconfig_exit_requested = true;
1537}
1538
1539
1540
1541
1542void qemu_system_reset(ShutdownCause reason)
1543{
1544 MachineClass *mc;
1545
1546 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1547
1548 cpu_synchronize_all_states();
1549
1550 if (mc && mc->reset) {
1551 mc->reset(current_machine);
1552 } else {
1553 qemu_devices_reset();
1554 }
1555 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1556 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1557 }
1558 cpu_synchronize_all_post_reset();
1559}
1560
1561
1562
1563
1564static void qemu_system_wakeup(void)
1565{
1566 MachineClass *mc;
1567
1568 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1569
1570 if (mc && mc->wakeup) {
1571 mc->wakeup(current_machine);
1572 }
1573}
1574
1575void qemu_system_guest_panicked(GuestPanicInformation *info)
1576{
1577 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1578
1579 if (current_cpu) {
1580 current_cpu->crash_occurred = true;
1581 }
1582 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1583 !!info, info);
1584 vm_stop(RUN_STATE_GUEST_PANICKED);
1585 if (!no_shutdown) {
1586 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1587 !!info, info);
1588 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1589 }
1590
1591 if (info) {
1592 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1593 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1594 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1595 info->u.hyper_v.arg1,
1596 info->u.hyper_v.arg2,
1597 info->u.hyper_v.arg3,
1598 info->u.hyper_v.arg4,
1599 info->u.hyper_v.arg5);
1600 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1601 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1602 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1603 info->u.s390.core,
1604 S390CrashReason_str(info->u.s390.reason),
1605 info->u.s390.psw_mask,
1606 info->u.s390.psw_addr);
1607 }
1608 qapi_free_GuestPanicInformation(info);
1609 }
1610}
1611
1612void qemu_system_reset_request(ShutdownCause reason)
1613{
1614 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1615 shutdown_requested = reason;
1616 } else {
1617 reset_requested = reason;
1618 }
1619 cpu_stop_current();
1620 qemu_notify_event();
1621}
1622
1623static void qemu_system_suspend(void)
1624{
1625 pause_all_vcpus();
1626 notifier_list_notify(&suspend_notifiers, NULL);
1627 runstate_set(RUN_STATE_SUSPENDED);
1628 qapi_event_send_suspend();
1629}
1630
1631void qemu_system_suspend_request(void)
1632{
1633 if (runstate_check(RUN_STATE_SUSPENDED)) {
1634 return;
1635 }
1636 suspend_requested = 1;
1637 cpu_stop_current();
1638 qemu_notify_event();
1639}
1640
1641void qemu_register_suspend_notifier(Notifier *notifier)
1642{
1643 notifier_list_add(&suspend_notifiers, notifier);
1644}
1645
1646void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1647{
1648 trace_system_wakeup_request(reason);
1649
1650 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1651 error_setg(errp,
1652 "Unable to wake up: guest is not in suspended state");
1653 return;
1654 }
1655 if (!(wakeup_reason_mask & (1 << reason))) {
1656 return;
1657 }
1658 runstate_set(RUN_STATE_RUNNING);
1659 wakeup_reason = reason;
1660 qemu_notify_event();
1661}
1662
1663void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1664{
1665 if (enabled) {
1666 wakeup_reason_mask |= (1 << reason);
1667 } else {
1668 wakeup_reason_mask &= ~(1 << reason);
1669 }
1670}
1671
1672void qemu_register_wakeup_notifier(Notifier *notifier)
1673{
1674 notifier_list_add(&wakeup_notifiers, notifier);
1675}
1676
1677void qemu_register_wakeup_support(void)
1678{
1679 wakeup_suspend_enabled = true;
1680}
1681
1682bool qemu_wakeup_suspend_enabled(void)
1683{
1684 return wakeup_suspend_enabled;
1685}
1686
1687void qemu_system_killed(int signal, pid_t pid)
1688{
1689 shutdown_signal = signal;
1690 shutdown_pid = pid;
1691 no_shutdown = 0;
1692
1693
1694
1695
1696 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1697 qemu_notify_event();
1698}
1699
1700void qemu_system_shutdown_request(ShutdownCause reason)
1701{
1702 trace_qemu_system_shutdown_request(reason);
1703 replay_shutdown_request(reason);
1704 shutdown_requested = reason;
1705 qemu_notify_event();
1706}
1707
1708static void qemu_system_powerdown(void)
1709{
1710 qapi_event_send_powerdown();
1711 notifier_list_notify(&powerdown_notifiers, NULL);
1712}
1713
1714static void qemu_system_shutdown(ShutdownCause cause)
1715{
1716 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1717 notifier_list_notify(&shutdown_notifiers, &cause);
1718}
1719
1720void qemu_system_powerdown_request(void)
1721{
1722 trace_qemu_system_powerdown_request();
1723 powerdown_requested = 1;
1724 qemu_notify_event();
1725}
1726
1727void qemu_register_powerdown_notifier(Notifier *notifier)
1728{
1729 notifier_list_add(&powerdown_notifiers, notifier);
1730}
1731
1732void qemu_register_shutdown_notifier(Notifier *notifier)
1733{
1734 notifier_list_add(&shutdown_notifiers, notifier);
1735}
1736
1737void qemu_system_debug_request(void)
1738{
1739 debug_requested = 1;
1740 qemu_notify_event();
1741}
1742
1743static bool main_loop_should_exit(void)
1744{
1745 RunState r;
1746 ShutdownCause request;
1747
1748 if (preconfig_exit_requested) {
1749 if (runstate_check(RUN_STATE_PRECONFIG)) {
1750 runstate_set(RUN_STATE_PRELAUNCH);
1751 }
1752 preconfig_exit_requested = false;
1753 return true;
1754 }
1755 if (qemu_debug_requested()) {
1756 vm_stop(RUN_STATE_DEBUG);
1757 }
1758 if (qemu_suspend_requested()) {
1759 qemu_system_suspend();
1760 }
1761 request = qemu_shutdown_requested();
1762 if (request) {
1763 qemu_kill_report();
1764 qemu_system_shutdown(request);
1765 if (no_shutdown) {
1766 vm_stop(RUN_STATE_SHUTDOWN);
1767 } else {
1768 return true;
1769 }
1770 }
1771 request = qemu_reset_requested();
1772 if (request) {
1773 pause_all_vcpus();
1774 qemu_system_reset(request);
1775 resume_all_vcpus();
1776
1777
1778
1779
1780 if (!runstate_check(RUN_STATE_RUNNING) &&
1781 !runstate_check(RUN_STATE_INMIGRATE) &&
1782 !runstate_check(RUN_STATE_FINISH_MIGRATE)) {
1783 runstate_set(RUN_STATE_PRELAUNCH);
1784 }
1785 }
1786 if (qemu_wakeup_requested()) {
1787 pause_all_vcpus();
1788 qemu_system_wakeup();
1789 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1790 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1791 resume_all_vcpus();
1792 qapi_event_send_wakeup();
1793 }
1794 if (qemu_powerdown_requested()) {
1795 qemu_system_powerdown();
1796 }
1797 if (qemu_vmstop_requested(&r)) {
1798 vm_stop(r);
1799 }
1800 return false;
1801}
1802
1803static void main_loop(void)
1804{
1805#ifdef CONFIG_PROFILER
1806 int64_t ti;
1807#endif
1808 while (!main_loop_should_exit()) {
1809#ifdef CONFIG_PROFILER
1810 ti = profile_getclock();
1811#endif
1812 main_loop_wait(false);
1813#ifdef CONFIG_PROFILER
1814 dev_time += profile_getclock() - ti;
1815#endif
1816 }
1817}
1818
1819static void version(void)
1820{
1821 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1822 QEMU_COPYRIGHT "\n");
1823}
1824
1825static void help(int exitcode)
1826{
1827 version();
1828 printf("usage: %s [options] [disk_image]\n\n"
1829 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1830 error_get_progname());
1831
1832#define QEMU_OPTIONS_GENERATE_HELP
1833#include "qemu-options-wrapper.h"
1834
1835 printf("\nDuring emulation, the following keys are useful:\n"
1836 "ctrl-alt-f toggle full screen\n"
1837 "ctrl-alt-n switch to virtual console 'n'\n"
1838 "ctrl-alt toggle mouse and keyboard grab\n"
1839 "\n"
1840 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1841 "\n"
1842 QEMU_HELP_BOTTOM "\n");
1843
1844 exit(exitcode);
1845}
1846
1847#define HAS_ARG 0x0001
1848
1849typedef struct QEMUOption {
1850 const char *name;
1851 int flags;
1852 int index;
1853 uint32_t arch_mask;
1854} QEMUOption;
1855
1856static const QEMUOption qemu_options[] = {
1857 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1858#define QEMU_OPTIONS_GENERATE_OPTIONS
1859#include "qemu-options-wrapper.h"
1860 { NULL },
1861};
1862
1863typedef struct VGAInterfaceInfo {
1864 const char *opt_name;
1865 const char *name;
1866
1867
1868 const char *class_names[2];
1869} VGAInterfaceInfo;
1870
1871static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1872 [VGA_NONE] = {
1873 .opt_name = "none",
1874 .name = "no graphic card",
1875 },
1876 [VGA_STD] = {
1877 .opt_name = "std",
1878 .name = "standard VGA",
1879 .class_names = { "VGA", "isa-vga" },
1880 },
1881 [VGA_CIRRUS] = {
1882 .opt_name = "cirrus",
1883 .name = "Cirrus VGA",
1884 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1885 },
1886 [VGA_VMWARE] = {
1887 .opt_name = "vmware",
1888 .name = "VMWare SVGA",
1889 .class_names = { "vmware-svga" },
1890 },
1891 [VGA_VIRTIO] = {
1892 .opt_name = "virtio",
1893 .name = "Virtio VGA",
1894 .class_names = { "virtio-vga" },
1895 },
1896 [VGA_QXL] = {
1897 .opt_name = "qxl",
1898 .name = "QXL VGA",
1899 .class_names = { "qxl-vga" },
1900 },
1901 [VGA_TCX] = {
1902 .opt_name = "tcx",
1903 .name = "TCX framebuffer",
1904 .class_names = { "SUNW,tcx" },
1905 },
1906 [VGA_CG3] = {
1907 .opt_name = "cg3",
1908 .name = "CG3 framebuffer",
1909 .class_names = { "cgthree" },
1910 },
1911 [VGA_XENFB] = {
1912 .opt_name = "xenfb",
1913 .name = "Xen paravirtualized framebuffer",
1914 },
1915};
1916
1917static bool vga_interface_available(VGAInterfaceType t)
1918{
1919 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1920
1921 assert(t < VGA_TYPE_MAX);
1922 return !ti->class_names[0] ||
1923 object_class_by_name(ti->class_names[0]) ||
1924 object_class_by_name(ti->class_names[1]);
1925}
1926
1927static const char *
1928get_default_vga_model(const MachineClass *machine_class)
1929{
1930 if (machine_class->default_display) {
1931 return machine_class->default_display;
1932 } else if (vga_interface_available(VGA_CIRRUS)) {
1933 return "cirrus";
1934 } else if (vga_interface_available(VGA_STD)) {
1935 return "std";
1936 }
1937
1938 return NULL;
1939}
1940
1941static void select_vgahw(const MachineClass *machine_class, const char *p)
1942{
1943 const char *opts;
1944 int t;
1945
1946 if (g_str_equal(p, "help")) {
1947 const char *def = get_default_vga_model(machine_class);
1948
1949 for (t = 0; t < VGA_TYPE_MAX; t++) {
1950 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1951
1952 if (vga_interface_available(t) && ti->opt_name) {
1953 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1954 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1955 }
1956 }
1957 exit(0);
1958 }
1959
1960 assert(vga_interface_type == VGA_NONE);
1961 for (t = 0; t < VGA_TYPE_MAX; t++) {
1962 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1963 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1964 if (!vga_interface_available(t)) {
1965 error_report("%s not available", ti->name);
1966 exit(1);
1967 }
1968 vga_interface_type = t;
1969 break;
1970 }
1971 }
1972 if (t == VGA_TYPE_MAX) {
1973 invalid_vga:
1974 error_report("unknown vga type: %s", p);
1975 exit(1);
1976 }
1977 while (*opts) {
1978 const char *nextopt;
1979
1980 if (strstart(opts, ",retrace=", &nextopt)) {
1981 opts = nextopt;
1982 if (strstart(opts, "dumb", &nextopt))
1983 vga_retrace_method = VGA_RETRACE_DUMB;
1984 else if (strstart(opts, "precise", &nextopt))
1985 vga_retrace_method = VGA_RETRACE_PRECISE;
1986 else goto invalid_vga;
1987 } else goto invalid_vga;
1988 opts = nextopt;
1989 }
1990}
1991
1992static void parse_display_qapi(const char *optarg)
1993{
1994 DisplayOptions *opts;
1995 Visitor *v;
1996
1997 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
1998
1999 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2000 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2001
2002 qapi_free_DisplayOptions(opts);
2003 visit_free(v);
2004}
2005
2006DisplayOptions *qmp_query_display_options(Error **errp)
2007{
2008 return QAPI_CLONE(DisplayOptions, &dpy);
2009}
2010
2011static void parse_display(const char *p)
2012{
2013 const char *opts;
2014
2015 if (strstart(p, "sdl", &opts)) {
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026 dpy.type = DISPLAY_TYPE_SDL;
2027 while (*opts) {
2028 const char *nextopt;
2029
2030 if (strstart(opts, ",alt_grab=", &nextopt)) {
2031 opts = nextopt;
2032 if (strstart(opts, "on", &nextopt)) {
2033 alt_grab = 1;
2034 } else if (strstart(opts, "off", &nextopt)) {
2035 alt_grab = 0;
2036 } else {
2037 goto invalid_sdl_args;
2038 }
2039 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2040 opts = nextopt;
2041 if (strstart(opts, "on", &nextopt)) {
2042 ctrl_grab = 1;
2043 } else if (strstart(opts, "off", &nextopt)) {
2044 ctrl_grab = 0;
2045 } else {
2046 goto invalid_sdl_args;
2047 }
2048 } else if (strstart(opts, ",window_close=", &nextopt)) {
2049 opts = nextopt;
2050 dpy.has_window_close = true;
2051 if (strstart(opts, "on", &nextopt)) {
2052 dpy.window_close = true;
2053 } else if (strstart(opts, "off", &nextopt)) {
2054 dpy.window_close = false;
2055 } else {
2056 goto invalid_sdl_args;
2057 }
2058 } else if (strstart(opts, ",gl=", &nextopt)) {
2059 opts = nextopt;
2060 dpy.has_gl = true;
2061 if (strstart(opts, "on", &nextopt)) {
2062 dpy.gl = DISPLAYGL_MODE_ON;
2063 } else if (strstart(opts, "core", &nextopt)) {
2064 dpy.gl = DISPLAYGL_MODE_CORE;
2065 } else if (strstart(opts, "es", &nextopt)) {
2066 dpy.gl = DISPLAYGL_MODE_ES;
2067 } else if (strstart(opts, "off", &nextopt)) {
2068 dpy.gl = DISPLAYGL_MODE_OFF;
2069 } else {
2070 goto invalid_sdl_args;
2071 }
2072 } else {
2073 invalid_sdl_args:
2074 error_report("invalid SDL option string");
2075 exit(1);
2076 }
2077 opts = nextopt;
2078 }
2079 } else if (strstart(p, "vnc", &opts)) {
2080
2081
2082
2083
2084 if (*opts == '=') {
2085 vnc_parse(opts + 1, &error_fatal);
2086 } else {
2087 error_report("VNC requires a display argument vnc=<display>");
2088 exit(1);
2089 }
2090 } else {
2091 parse_display_qapi(p);
2092 }
2093}
2094
2095char *qemu_find_file(int type, const char *name)
2096{
2097 int i;
2098 const char *subdir;
2099 char *buf;
2100
2101
2102 if (access(name, R_OK) == 0) {
2103 trace_load_file(name, name);
2104 return g_strdup(name);
2105 }
2106
2107 switch (type) {
2108 case QEMU_FILE_TYPE_BIOS:
2109 subdir = "";
2110 break;
2111 case QEMU_FILE_TYPE_KEYMAP:
2112 subdir = "keymaps/";
2113 break;
2114 default:
2115 abort();
2116 }
2117
2118 for (i = 0; i < data_dir_idx; i++) {
2119 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2120 if (access(buf, R_OK) == 0) {
2121 trace_load_file(name, buf);
2122 return buf;
2123 }
2124 g_free(buf);
2125 }
2126 return NULL;
2127}
2128
2129static void qemu_add_data_dir(const char *path)
2130{
2131 int i;
2132
2133 if (path == NULL) {
2134 return;
2135 }
2136 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2137 return;
2138 }
2139 for (i = 0; i < data_dir_idx; i++) {
2140 if (strcmp(data_dir[i], path) == 0) {
2141 return;
2142 }
2143 }
2144 data_dir[data_dir_idx++] = g_strdup(path);
2145}
2146
2147static inline bool nonempty_str(const char *str)
2148{
2149 return str && *str;
2150}
2151
2152static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2153{
2154 gchar *buf;
2155 size_t size;
2156 const char *name, *file, *str;
2157 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2158
2159 if (fw_cfg == NULL) {
2160 error_setg(errp, "fw_cfg device not available");
2161 return -1;
2162 }
2163 name = qemu_opt_get(opts, "name");
2164 file = qemu_opt_get(opts, "file");
2165 str = qemu_opt_get(opts, "string");
2166
2167
2168 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2169 error_setg(errp, "invalid argument(s)");
2170 return -1;
2171 }
2172 if (nonempty_str(file) && nonempty_str(str)) {
2173 error_setg(errp, "file and string are mutually exclusive");
2174 return -1;
2175 }
2176 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2177 error_setg(errp, "name too long (max. %d char)",
2178 FW_CFG_MAX_FILE_PATH - 1);
2179 return -1;
2180 }
2181 if (strncmp(name, "opt/", 4) != 0) {
2182 warn_report("externally provided fw_cfg item names "
2183 "should be prefixed with \"opt/\"");
2184 }
2185 if (nonempty_str(str)) {
2186 size = strlen(str);
2187 buf = g_memdup(str, size);
2188 } else {
2189 GError *err = NULL;
2190 if (!g_file_get_contents(file, &buf, &size, &err)) {
2191 error_setg(errp, "can't load %s: %s", file, err->message);
2192 g_error_free(err);
2193 return -1;
2194 }
2195 }
2196
2197 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2198 fw_cfg_add_file(fw_cfg, name, buf, size);
2199 fw_cfg_reset_order_override(fw_cfg);
2200 return 0;
2201}
2202
2203static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2204{
2205 return qdev_device_help(opts);
2206}
2207
2208static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2209{
2210 DeviceState *dev;
2211
2212 dev = qdev_device_add(opts, errp);
2213 if (!dev && *errp) {
2214 error_report_err(*errp);
2215 return -1;
2216 } else if (dev) {
2217 object_unref(OBJECT(dev));
2218 }
2219 return 0;
2220}
2221
2222static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2223{
2224 Error *local_err = NULL;
2225
2226 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2227 if (local_err) {
2228 error_propagate(errp, local_err);
2229 return -1;
2230 }
2231 exit(0);
2232 }
2233 return 0;
2234}
2235
2236#ifdef CONFIG_VIRTFS
2237static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2238{
2239 return qemu_fsdev_add(opts, errp);
2240}
2241#endif
2242
2243static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2244{
2245 Chardev *chr;
2246 bool qmp;
2247 bool pretty = false;
2248 const char *chardev;
2249 const char *mode;
2250
2251 mode = qemu_opt_get(opts, "mode");
2252 if (mode == NULL) {
2253 mode = "readline";
2254 }
2255 if (strcmp(mode, "readline") == 0) {
2256 qmp = false;
2257 } else if (strcmp(mode, "control") == 0) {
2258 qmp = true;
2259 } else {
2260 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2261 return -1;
2262 }
2263
2264 if (!qmp && qemu_opt_get(opts, "pretty")) {
2265 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2266 "and will be removed in future versions");
2267 }
2268 if (qemu_opt_get_bool(opts, "pretty", 0)) {
2269 pretty = true;
2270 }
2271
2272 chardev = qemu_opt_get(opts, "chardev");
2273 if (!chardev) {
2274 error_report("chardev is required");
2275 exit(1);
2276 }
2277 chr = qemu_chr_find(chardev);
2278 if (chr == NULL) {
2279 error_setg(errp, "chardev \"%s\" not found", chardev);
2280 return -1;
2281 }
2282
2283 if (qmp) {
2284 monitor_init_qmp(chr, pretty);
2285 } else {
2286 monitor_init_hmp(chr, true);
2287 }
2288 return 0;
2289}
2290
2291static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2292{
2293 static int monitor_device_index = 0;
2294 QemuOpts *opts;
2295 const char *p;
2296 char label[32];
2297
2298 if (strstart(optarg, "chardev:", &p)) {
2299 snprintf(label, sizeof(label), "%s", p);
2300 } else {
2301 snprintf(label, sizeof(label), "compat_monitor%d",
2302 monitor_device_index);
2303 opts = qemu_chr_parse_compat(label, optarg, true);
2304 if (!opts) {
2305 error_report("parse error: %s", optarg);
2306 exit(1);
2307 }
2308 }
2309
2310 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2311 qemu_opt_set(opts, "mode", mode, &error_abort);
2312 qemu_opt_set(opts, "chardev", label, &error_abort);
2313 if (!strcmp(mode, "control")) {
2314 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2315 } else {
2316 assert(pretty == false);
2317 }
2318 monitor_device_index++;
2319}
2320
2321struct device_config {
2322 enum {
2323 DEV_USB,
2324 DEV_BT,
2325 DEV_SERIAL,
2326 DEV_PARALLEL,
2327 DEV_DEBUGCON,
2328 DEV_GDB,
2329 DEV_SCLP,
2330 } type;
2331 const char *cmdline;
2332 Location loc;
2333 QTAILQ_ENTRY(device_config) next;
2334};
2335
2336static QTAILQ_HEAD(, device_config) device_configs =
2337 QTAILQ_HEAD_INITIALIZER(device_configs);
2338
2339static void add_device_config(int type, const char *cmdline)
2340{
2341 struct device_config *conf;
2342
2343 conf = g_malloc0(sizeof(*conf));
2344 conf->type = type;
2345 conf->cmdline = cmdline;
2346 loc_save(&conf->loc);
2347 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2348}
2349
2350static int foreach_device_config(int type, int (*func)(const char *cmdline))
2351{
2352 struct device_config *conf;
2353 int rc;
2354
2355 QTAILQ_FOREACH(conf, &device_configs, next) {
2356 if (conf->type != type)
2357 continue;
2358 loc_push_restore(&conf->loc);
2359 rc = func(conf->cmdline);
2360 loc_pop(&conf->loc);
2361 if (rc) {
2362 return rc;
2363 }
2364 }
2365 return 0;
2366}
2367
2368static int serial_parse(const char *devname)
2369{
2370 int index = num_serial_hds;
2371 char label[32];
2372
2373 if (strcmp(devname, "none") == 0)
2374 return 0;
2375 snprintf(label, sizeof(label), "serial%d", index);
2376 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2377
2378 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2379 if (!serial_hds[index]) {
2380 error_report("could not connect serial device"
2381 " to character backend '%s'", devname);
2382 return -1;
2383 }
2384 num_serial_hds++;
2385 return 0;
2386}
2387
2388Chardev *serial_hd(int i)
2389{
2390 assert(i >= 0);
2391 if (i < num_serial_hds) {
2392 return serial_hds[i];
2393 }
2394 return NULL;
2395}
2396
2397int serial_max_hds(void)
2398{
2399 return num_serial_hds;
2400}
2401
2402static int parallel_parse(const char *devname)
2403{
2404 static int index = 0;
2405 char label[32];
2406
2407 if (strcmp(devname, "none") == 0)
2408 return 0;
2409 if (index == MAX_PARALLEL_PORTS) {
2410 error_report("too many parallel ports");
2411 exit(1);
2412 }
2413 snprintf(label, sizeof(label), "parallel%d", index);
2414 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2415 if (!parallel_hds[index]) {
2416 error_report("could not connect parallel device"
2417 " to character backend '%s'", devname);
2418 return -1;
2419 }
2420 index++;
2421 return 0;
2422}
2423
2424static int debugcon_parse(const char *devname)
2425{
2426 QemuOpts *opts;
2427
2428 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2429 error_report("invalid character backend '%s'", devname);
2430 exit(1);
2431 }
2432 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2433 if (!opts) {
2434 error_report("already have a debugcon device");
2435 exit(1);
2436 }
2437 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2438 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2439 return 0;
2440}
2441
2442static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2443{
2444 const MachineClass *mc1 = a, *mc2 = b;
2445 int res;
2446
2447 if (mc1->family == NULL) {
2448 if (mc2->family == NULL) {
2449
2450
2451
2452 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2453 object_class_get_name(OBJECT_CLASS(mc2)));
2454 }
2455
2456
2457 return 1;
2458 }
2459
2460 if (mc2->family == NULL) {
2461
2462 return -1;
2463 }
2464
2465
2466 res = strcmp(mc1->family, mc2->family);
2467 if (res != 0) {
2468 return res;
2469 }
2470
2471
2472 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2473 object_class_get_name(OBJECT_CLASS(mc1)));
2474}
2475
2476static MachineClass *machine_parse(const char *name, GSList *machines)
2477{
2478 MachineClass *mc;
2479 GSList *el;
2480
2481 if (is_help_option(name)) {
2482 printf("Supported machines are:\n");
2483 machines = g_slist_sort(machines, machine_class_cmp);
2484 for (el = machines; el; el = el->next) {
2485 MachineClass *mc = el->data;
2486 if (mc->alias) {
2487 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2488 }
2489 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2490 mc->is_default ? " (default)" : "",
2491 mc->deprecation_reason ? " (deprecated)" : "");
2492 }
2493 exit(0);
2494 }
2495
2496 mc = find_machine(name, machines);
2497 if (!mc) {
2498 error_report("unsupported machine type");
2499 error_printf("Use -machine help to list supported machines\n");
2500 exit(1);
2501 }
2502 return mc;
2503}
2504
2505void qemu_add_exit_notifier(Notifier *notify)
2506{
2507 notifier_list_add(&exit_notifiers, notify);
2508}
2509
2510void qemu_remove_exit_notifier(Notifier *notify)
2511{
2512 notifier_remove(notify);
2513}
2514
2515static void qemu_run_exit_notifiers(void)
2516{
2517 notifier_list_notify(&exit_notifiers, NULL);
2518}
2519
2520static const char *pid_file;
2521static Notifier qemu_unlink_pidfile_notifier;
2522
2523static void qemu_unlink_pidfile(Notifier *n, void *data)
2524{
2525 if (pid_file) {
2526 unlink(pid_file);
2527 }
2528}
2529
2530bool machine_init_done;
2531
2532void qemu_add_machine_init_done_notifier(Notifier *notify)
2533{
2534 notifier_list_add(&machine_init_done_notifiers, notify);
2535 if (machine_init_done) {
2536 notify->notify(notify, NULL);
2537 }
2538}
2539
2540void qemu_remove_machine_init_done_notifier(Notifier *notify)
2541{
2542 notifier_remove(notify);
2543}
2544
2545static void qemu_run_machine_init_done_notifiers(void)
2546{
2547 machine_init_done = true;
2548 notifier_list_notify(&machine_init_done_notifiers, NULL);
2549}
2550
2551static const QEMUOption *lookup_opt(int argc, char **argv,
2552 const char **poptarg, int *poptind)
2553{
2554 const QEMUOption *popt;
2555 int optind = *poptind;
2556 char *r = argv[optind];
2557 const char *optarg;
2558
2559 loc_set_cmdline(argv, optind, 1);
2560 optind++;
2561
2562 if (r[1] == '-')
2563 r++;
2564 popt = qemu_options;
2565 for(;;) {
2566 if (!popt->name) {
2567 error_report("invalid option");
2568 exit(1);
2569 }
2570 if (!strcmp(popt->name, r + 1))
2571 break;
2572 popt++;
2573 }
2574 if (popt->flags & HAS_ARG) {
2575 if (optind >= argc) {
2576 error_report("requires an argument");
2577 exit(1);
2578 }
2579 optarg = argv[optind++];
2580 loc_set_cmdline(argv, optind - 2, 2);
2581 } else {
2582 optarg = NULL;
2583 }
2584
2585 *poptarg = optarg;
2586 *poptind = optind;
2587
2588 return popt;
2589}
2590
2591static MachineClass *select_machine(void)
2592{
2593 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2594 MachineClass *machine_class = find_default_machine(machines);
2595 const char *optarg;
2596 QemuOpts *opts;
2597 Location loc;
2598
2599 loc_push_none(&loc);
2600
2601 opts = qemu_get_machine_opts();
2602 qemu_opts_loc_restore(opts);
2603
2604 optarg = qemu_opt_get(opts, "type");
2605 if (optarg) {
2606 machine_class = machine_parse(optarg, machines);
2607 }
2608
2609 if (!machine_class) {
2610 error_report("No machine specified, and there is no default");
2611 error_printf("Use -machine help to list supported machines\n");
2612 exit(1);
2613 }
2614
2615 loc_pop(&loc);
2616 g_slist_free(machines);
2617 return machine_class;
2618}
2619
2620static int machine_set_property(void *opaque,
2621 const char *name, const char *value,
2622 Error **errp)
2623{
2624 Object *obj = OBJECT(opaque);
2625 Error *local_err = NULL;
2626 char *p, *qom_name;
2627
2628 if (strcmp(name, "type") == 0) {
2629 return 0;
2630 }
2631
2632 qom_name = g_strdup(name);
2633 for (p = qom_name; *p; p++) {
2634 if (*p == '_') {
2635 *p = '-';
2636 }
2637 }
2638
2639 object_property_parse(obj, value, qom_name, &local_err);
2640 g_free(qom_name);
2641
2642 if (local_err) {
2643 error_propagate(errp, local_err);
2644 return -1;
2645 }
2646
2647 return 0;
2648}
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658static bool object_create_initial(const char *type, QemuOpts *opts)
2659{
2660 if (user_creatable_print_help(type, opts)) {
2661 exit(0);
2662 }
2663
2664
2665
2666
2667
2668
2669
2670 if (g_str_equal(type, "rng-egd")) {
2671 return false;
2672 }
2673
2674#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2675
2676 if (g_str_equal(type, "cryptodev-vhost-user")) {
2677 return false;
2678 }
2679#endif
2680
2681
2682
2683
2684 if (g_str_equal(type, "filter-buffer") ||
2685 g_str_equal(type, "filter-dump") ||
2686 g_str_equal(type, "filter-mirror") ||
2687 g_str_equal(type, "filter-redirector") ||
2688 g_str_equal(type, "colo-compare") ||
2689 g_str_equal(type, "filter-rewriter") ||
2690 g_str_equal(type, "filter-replay")) {
2691 return false;
2692 }
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703 if (g_str_has_prefix(type, "memory-backend-")) {
2704 return false;
2705 }
2706
2707 return true;
2708}
2709
2710
2711
2712
2713
2714
2715static bool object_create_delayed(const char *type, QemuOpts *opts)
2716{
2717 return !object_create_initial(type, opts);
2718}
2719
2720
2721static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2722 MachineClass *mc)
2723{
2724 uint64_t sz;
2725 const char *mem_str;
2726 const ram_addr_t default_ram_size = mc->default_ram_size;
2727 QemuOpts *opts = qemu_find_opts_singleton("memory");
2728 Location loc;
2729
2730 loc_push_none(&loc);
2731 qemu_opts_loc_restore(opts);
2732
2733 sz = 0;
2734 mem_str = qemu_opt_get(opts, "size");
2735 if (mem_str) {
2736 if (!*mem_str) {
2737 error_report("missing 'size' option value");
2738 exit(EXIT_FAILURE);
2739 }
2740
2741 sz = qemu_opt_get_size(opts, "size", ram_size);
2742
2743
2744 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2745 uint64_t overflow_check = sz;
2746
2747 sz *= MiB;
2748 if (sz / MiB != overflow_check) {
2749 error_report("too large 'size' option value");
2750 exit(EXIT_FAILURE);
2751 }
2752 }
2753 }
2754
2755
2756 if (sz == 0) {
2757 sz = default_ram_size;
2758 }
2759
2760 sz = QEMU_ALIGN_UP(sz, 8192);
2761 ram_size = sz;
2762 if (ram_size != sz) {
2763 error_report("ram size too large");
2764 exit(EXIT_FAILURE);
2765 }
2766
2767
2768 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2769 *maxram_size = ram_size;
2770
2771 if (qemu_opt_get(opts, "maxmem")) {
2772 uint64_t slots;
2773
2774 sz = qemu_opt_get_size(opts, "maxmem", 0);
2775 slots = qemu_opt_get_number(opts, "slots", 0);
2776 if (sz < ram_size) {
2777 error_report("invalid value of -m option maxmem: "
2778 "maximum memory size (0x%" PRIx64 ") must be at least "
2779 "the initial memory size (0x" RAM_ADDR_FMT ")",
2780 sz, ram_size);
2781 exit(EXIT_FAILURE);
2782 } else if (slots && sz == ram_size) {
2783 error_report("invalid value of -m option maxmem: "
2784 "memory slots were specified but maximum memory size "
2785 "(0x%" PRIx64 ") is equal to the initial memory size "
2786 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2787 exit(EXIT_FAILURE);
2788 }
2789
2790 *maxram_size = sz;
2791 *ram_slots = slots;
2792 } else if (qemu_opt_get(opts, "slots")) {
2793 error_report("invalid -m option value: missing 'maxmem' option");
2794 exit(EXIT_FAILURE);
2795 }
2796
2797 loc_pop(&loc);
2798}
2799
2800static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2801{
2802 GlobalProperty *g;
2803
2804 g = g_malloc0(sizeof(*g));
2805 g->driver = qemu_opt_get(opts, "driver");
2806 g->property = qemu_opt_get(opts, "property");
2807 g->value = qemu_opt_get(opts, "value");
2808 qdev_prop_register_global(g);
2809 return 0;
2810}
2811
2812static int qemu_read_default_config_file(void)
2813{
2814 int ret;
2815
2816 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2817 if (ret < 0 && ret != -ENOENT) {
2818 return ret;
2819 }
2820
2821 return 0;
2822}
2823
2824static void user_register_global_props(void)
2825{
2826 qemu_opts_foreach(qemu_find_opts("global"),
2827 global_init_func, NULL, NULL);
2828}
2829
2830int main(int argc, char **argv, char **envp)
2831{
2832 int i;
2833 int snapshot, linux_boot;
2834 const char *initrd_filename;
2835 const char *kernel_filename, *kernel_cmdline;
2836 const char *boot_order = NULL;
2837 const char *boot_once = NULL;
2838 DisplayState *ds;
2839 QemuOpts *opts, *machine_opts;
2840 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2841 QemuOptsList *olist;
2842 int optind;
2843 const char *optarg;
2844 const char *loadvm = NULL;
2845 MachineClass *machine_class;
2846 const char *cpu_option;
2847 const char *vga_model = NULL;
2848 const char *qtest_chrdev = NULL;
2849 const char *qtest_log = NULL;
2850 const char *incoming = NULL;
2851 bool userconfig = true;
2852 bool nographic = false;
2853 int display_remote = 0;
2854 const char *log_mask = NULL;
2855 const char *log_file = NULL;
2856 char *trace_file = NULL;
2857 ram_addr_t maxram_size;
2858 uint64_t ram_slots = 0;
2859 FILE *vmstate_dump_file = NULL;
2860 Error *main_loop_err = NULL;
2861 Error *err = NULL;
2862 bool list_data_dirs = false;
2863 char *dir, **dirs;
2864 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2865 QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
2866
2867 os_set_line_buffering();
2868
2869 error_init(argv[0]);
2870 module_call_init(MODULE_INIT_TRACE);
2871
2872 qemu_init_cpu_list();
2873 qemu_init_cpu_loop();
2874
2875 qemu_mutex_lock_iothread();
2876
2877 atexit(qemu_run_exit_notifiers);
2878 qemu_init_exec_dir(argv[0]);
2879
2880 module_call_init(MODULE_INIT_QOM);
2881
2882 qemu_add_opts(&qemu_drive_opts);
2883 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2884 qemu_add_drive_opts(&qemu_common_drive_opts);
2885 qemu_add_drive_opts(&qemu_drive_opts);
2886 qemu_add_drive_opts(&bdrv_runtime_opts);
2887 qemu_add_opts(&qemu_chardev_opts);
2888 qemu_add_opts(&qemu_device_opts);
2889 qemu_add_opts(&qemu_netdev_opts);
2890 qemu_add_opts(&qemu_nic_opts);
2891 qemu_add_opts(&qemu_net_opts);
2892 qemu_add_opts(&qemu_rtc_opts);
2893 qemu_add_opts(&qemu_global_opts);
2894 qemu_add_opts(&qemu_mon_opts);
2895 qemu_add_opts(&qemu_trace_opts);
2896 qemu_plugin_add_opts();
2897 qemu_add_opts(&qemu_option_rom_opts);
2898 qemu_add_opts(&qemu_machine_opts);
2899 qemu_add_opts(&qemu_accel_opts);
2900 qemu_add_opts(&qemu_mem_opts);
2901 qemu_add_opts(&qemu_smp_opts);
2902 qemu_add_opts(&qemu_boot_opts);
2903 qemu_add_opts(&qemu_add_fd_opts);
2904 qemu_add_opts(&qemu_object_opts);
2905 qemu_add_opts(&qemu_tpmdev_opts);
2906 qemu_add_opts(&qemu_realtime_opts);
2907 qemu_add_opts(&qemu_overcommit_opts);
2908 qemu_add_opts(&qemu_msg_opts);
2909 qemu_add_opts(&qemu_name_opts);
2910 qemu_add_opts(&qemu_numa_opts);
2911 qemu_add_opts(&qemu_icount_opts);
2912 qemu_add_opts(&qemu_semihosting_config_opts);
2913 qemu_add_opts(&qemu_fw_cfg_opts);
2914 module_call_init(MODULE_INIT_OPTS);
2915
2916 runstate_init();
2917 precopy_infrastructure_init();
2918 postcopy_infrastructure_init();
2919 monitor_init_globals();
2920
2921 if (qcrypto_init(&err) < 0) {
2922 error_reportf_err(err, "cannot initialize crypto: ");
2923 exit(1);
2924 }
2925
2926 QTAILQ_INIT(&vm_change_state_head);
2927 os_setup_early_signal_handling();
2928
2929 cpu_option = NULL;
2930 snapshot = 0;
2931
2932 nb_nics = 0;
2933
2934 bdrv_init_with_whitelist();
2935
2936 autostart = 1;
2937
2938
2939 optind = 1;
2940 while (optind < argc) {
2941 if (argv[optind][0] != '-') {
2942
2943 optind++;
2944 } else {
2945 const QEMUOption *popt;
2946
2947 popt = lookup_opt(argc, argv, &optarg, &optind);
2948 switch (popt->index) {
2949 case QEMU_OPTION_nouserconfig:
2950 userconfig = false;
2951 break;
2952 }
2953 }
2954 }
2955
2956 if (userconfig) {
2957 if (qemu_read_default_config_file() < 0) {
2958 exit(1);
2959 }
2960 }
2961
2962
2963 optind = 1;
2964 for(;;) {
2965 if (optind >= argc)
2966 break;
2967 if (argv[optind][0] != '-') {
2968 loc_set_cmdline(argv, optind, 1);
2969 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2970 } else {
2971 const QEMUOption *popt;
2972
2973 popt = lookup_opt(argc, argv, &optarg, &optind);
2974 if (!(popt->arch_mask & arch_type)) {
2975 error_report("Option not supported for this target");
2976 exit(1);
2977 }
2978 switch(popt->index) {
2979 case QEMU_OPTION_cpu:
2980
2981 cpu_option = optarg;
2982 break;
2983 case QEMU_OPTION_hda:
2984 case QEMU_OPTION_hdb:
2985 case QEMU_OPTION_hdc:
2986 case QEMU_OPTION_hdd:
2987 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2988 HD_OPTS);
2989 break;
2990 case QEMU_OPTION_blockdev:
2991 {
2992 Visitor *v;
2993 BlockdevOptionsQueueEntry *bdo;
2994
2995 v = qobject_input_visitor_new_str(optarg, "driver",
2996 &error_fatal);
2997
2998 bdo = g_new(BlockdevOptionsQueueEntry, 1);
2999 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3000 &error_fatal);
3001 visit_free(v);
3002 loc_save(&bdo->loc);
3003 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3004 break;
3005 }
3006 case QEMU_OPTION_drive:
3007 if (drive_def(optarg) == NULL) {
3008 exit(1);
3009 }
3010 break;
3011 case QEMU_OPTION_set:
3012 if (qemu_set_option(optarg) != 0)
3013 exit(1);
3014 break;
3015 case QEMU_OPTION_global:
3016 if (qemu_global_option(optarg) != 0)
3017 exit(1);
3018 break;
3019 case QEMU_OPTION_mtdblock:
3020 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3021 break;
3022 case QEMU_OPTION_sd:
3023 drive_add(IF_SD, -1, optarg, SD_OPTS);
3024 break;
3025 case QEMU_OPTION_pflash:
3026 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3027 break;
3028 case QEMU_OPTION_snapshot:
3029 {
3030 Error *blocker = NULL;
3031 snapshot = 1;
3032 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
3033 "-snapshot");
3034 replay_add_blocker(blocker);
3035 }
3036 break;
3037 case QEMU_OPTION_numa:
3038 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3039 optarg, true);
3040 if (!opts) {
3041 exit(1);
3042 }
3043 break;
3044 case QEMU_OPTION_display:
3045 parse_display(optarg);
3046 break;
3047 case QEMU_OPTION_nographic:
3048 olist = qemu_find_opts("machine");
3049 qemu_opts_parse_noisily(olist, "graphics=off", false);
3050 nographic = true;
3051 dpy.type = DISPLAY_TYPE_NONE;
3052 break;
3053 case QEMU_OPTION_curses:
3054#ifdef CONFIG_CURSES
3055 dpy.type = DISPLAY_TYPE_CURSES;
3056#else
3057 error_report("curses or iconv support is disabled");
3058 exit(1);
3059#endif
3060 break;
3061 case QEMU_OPTION_portrait:
3062 graphic_rotate = 90;
3063 break;
3064 case QEMU_OPTION_rotate:
3065 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3066 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3067 graphic_rotate != 180 && graphic_rotate != 270) {
3068 error_report("only 90, 180, 270 deg rotation is available");
3069 exit(1);
3070 }
3071 break;
3072 case QEMU_OPTION_kernel:
3073 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3074 &error_abort);
3075 break;
3076 case QEMU_OPTION_initrd:
3077 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3078 &error_abort);
3079 break;
3080 case QEMU_OPTION_append:
3081 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3082 &error_abort);
3083 break;
3084 case QEMU_OPTION_dtb:
3085 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3086 &error_abort);
3087 break;
3088 case QEMU_OPTION_cdrom:
3089 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3090 break;
3091 case QEMU_OPTION_boot:
3092 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3093 optarg, true);
3094 if (!opts) {
3095 exit(1);
3096 }
3097 break;
3098 case QEMU_OPTION_fda:
3099 case QEMU_OPTION_fdb:
3100 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3101 optarg, FD_OPTS);
3102 break;
3103 case QEMU_OPTION_no_fd_bootchk:
3104 fd_bootchk = 0;
3105 break;
3106 case QEMU_OPTION_netdev:
3107 default_net = 0;
3108 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3109 exit(1);
3110 }
3111 break;
3112 case QEMU_OPTION_nic:
3113 default_net = 0;
3114 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3115 exit(1);
3116 }
3117 break;
3118 case QEMU_OPTION_net:
3119 default_net = 0;
3120 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3121 exit(1);
3122 }
3123 break;
3124#ifdef CONFIG_LIBISCSI
3125 case QEMU_OPTION_iscsi:
3126 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3127 optarg, false);
3128 if (!opts) {
3129 exit(1);
3130 }
3131 break;
3132#endif
3133 case QEMU_OPTION_bt:
3134 warn_report("The bluetooth subsystem is deprecated and will "
3135 "be removed soon. If the bluetooth subsystem is "
3136 "still useful for you, please send a mail to "
3137 "qemu-devel@nongnu.org with your usecase.");
3138 add_device_config(DEV_BT, optarg);
3139 break;
3140 case QEMU_OPTION_audio_help:
3141 audio_legacy_help();
3142 exit (0);
3143 break;
3144 case QEMU_OPTION_audiodev:
3145 audio_parse_option(optarg);
3146 break;
3147 case QEMU_OPTION_soundhw:
3148 select_soundhw (optarg);
3149 break;
3150 case QEMU_OPTION_h:
3151 help(0);
3152 break;
3153 case QEMU_OPTION_version:
3154 version();
3155 exit(0);
3156 break;
3157 case QEMU_OPTION_m:
3158 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3159 optarg, true);
3160 if (!opts) {
3161 exit(EXIT_FAILURE);
3162 }
3163 break;
3164#ifdef CONFIG_TPM
3165 case QEMU_OPTION_tpmdev:
3166 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3167 exit(1);
3168 }
3169 break;
3170#endif
3171 case QEMU_OPTION_mempath:
3172 mem_path = optarg;
3173 break;
3174 case QEMU_OPTION_mem_prealloc:
3175 mem_prealloc = 1;
3176 break;
3177 case QEMU_OPTION_d:
3178 log_mask = optarg;
3179 break;
3180 case QEMU_OPTION_D:
3181 log_file = optarg;
3182 break;
3183 case QEMU_OPTION_DFILTER:
3184 qemu_set_dfilter_ranges(optarg, &error_fatal);
3185 break;
3186 case QEMU_OPTION_seed:
3187 qemu_guest_random_seed_main(optarg, &error_fatal);
3188 break;
3189 case QEMU_OPTION_s:
3190 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3191 break;
3192 case QEMU_OPTION_gdb:
3193 add_device_config(DEV_GDB, optarg);
3194 break;
3195 case QEMU_OPTION_L:
3196 if (is_help_option(optarg)) {
3197 list_data_dirs = true;
3198 } else {
3199 qemu_add_data_dir(optarg);
3200 }
3201 break;
3202 case QEMU_OPTION_bios:
3203 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3204 &error_abort);
3205 break;
3206 case QEMU_OPTION_singlestep:
3207 singlestep = 1;
3208 break;
3209 case QEMU_OPTION_S:
3210 autostart = 0;
3211 break;
3212 case QEMU_OPTION_k:
3213 keyboard_layout = optarg;
3214 break;
3215 case QEMU_OPTION_vga:
3216 vga_model = optarg;
3217 default_vga = 0;
3218 break;
3219 case QEMU_OPTION_g:
3220 {
3221 const char *p;
3222 int w, h, depth;
3223 p = optarg;
3224 w = strtol(p, (char **)&p, 10);
3225 if (w <= 0) {
3226 graphic_error:
3227 error_report("invalid resolution or depth");
3228 exit(1);
3229 }
3230 if (*p != 'x')
3231 goto graphic_error;
3232 p++;
3233 h = strtol(p, (char **)&p, 10);
3234 if (h <= 0)
3235 goto graphic_error;
3236 if (*p == 'x') {
3237 p++;
3238 depth = strtol(p, (char **)&p, 10);
3239 if (depth != 1 && depth != 2 && depth != 4 &&
3240 depth != 8 && depth != 15 && depth != 16 &&
3241 depth != 24 && depth != 32)
3242 goto graphic_error;
3243 } else if (*p == '\0') {
3244 depth = graphic_depth;
3245 } else {
3246 goto graphic_error;
3247 }
3248
3249 graphic_width = w;
3250 graphic_height = h;
3251 graphic_depth = depth;
3252 }
3253 break;
3254 case QEMU_OPTION_echr:
3255 {
3256 char *r;
3257 term_escape_char = strtol(optarg, &r, 0);
3258 if (r == optarg)
3259 printf("Bad argument to echr\n");
3260 break;
3261 }
3262 case QEMU_OPTION_monitor:
3263 default_monitor = 0;
3264 if (strncmp(optarg, "none", 4)) {
3265 monitor_parse(optarg, "readline", false);
3266 }
3267 break;
3268 case QEMU_OPTION_qmp:
3269 monitor_parse(optarg, "control", false);
3270 default_monitor = 0;
3271 break;
3272 case QEMU_OPTION_qmp_pretty:
3273 monitor_parse(optarg, "control", true);
3274 default_monitor = 0;
3275 break;
3276 case QEMU_OPTION_mon:
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3278 true);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 default_monitor = 0;
3283 break;
3284 case QEMU_OPTION_chardev:
3285 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3286 optarg, true);
3287 if (!opts) {
3288 exit(1);
3289 }
3290 break;
3291 case QEMU_OPTION_fsdev:
3292 olist = qemu_find_opts("fsdev");
3293 if (!olist) {
3294 error_report("fsdev support is disabled");
3295 exit(1);
3296 }
3297 opts = qemu_opts_parse_noisily(olist, optarg, true);
3298 if (!opts) {
3299 exit(1);
3300 }
3301 break;
3302 case QEMU_OPTION_virtfs: {
3303 QemuOpts *fsdev;
3304 QemuOpts *device;
3305 const char *writeout, *sock_fd, *socket, *path, *security_model,
3306 *multidevs;
3307
3308 olist = qemu_find_opts("virtfs");
3309 if (!olist) {
3310 error_report("virtfs support is disabled");
3311 exit(1);
3312 }
3313 opts = qemu_opts_parse_noisily(olist, optarg, true);
3314 if (!opts) {
3315 exit(1);
3316 }
3317
3318 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3319 qemu_opt_get(opts, "mount_tag") == NULL) {
3320 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3321 exit(1);
3322 }
3323 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3324 qemu_opts_id(opts) ?:
3325 qemu_opt_get(opts, "mount_tag"),
3326 1, NULL);
3327 if (!fsdev) {
3328 error_report("duplicate or invalid fsdev id: %s",
3329 qemu_opt_get(opts, "mount_tag"));
3330 exit(1);
3331 }
3332
3333 writeout = qemu_opt_get(opts, "writeout");
3334 if (writeout) {
3335#ifdef CONFIG_SYNC_FILE_RANGE
3336 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3337#else
3338 error_report("writeout=immediate not supported "
3339 "on this platform");
3340 exit(1);
3341#endif
3342 }
3343 qemu_opt_set(fsdev, "fsdriver",
3344 qemu_opt_get(opts, "fsdriver"), &error_abort);
3345 path = qemu_opt_get(opts, "path");
3346 if (path) {
3347 qemu_opt_set(fsdev, "path", path, &error_abort);
3348 }
3349 security_model = qemu_opt_get(opts, "security_model");
3350 if (security_model) {
3351 qemu_opt_set(fsdev, "security_model", security_model,
3352 &error_abort);
3353 }
3354 socket = qemu_opt_get(opts, "socket");
3355 if (socket) {
3356 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3357 }
3358 sock_fd = qemu_opt_get(opts, "sock_fd");
3359 if (sock_fd) {
3360 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3361 }
3362
3363 qemu_opt_set_bool(fsdev, "readonly",
3364 qemu_opt_get_bool(opts, "readonly", 0),
3365 &error_abort);
3366 multidevs = qemu_opt_get(opts, "multidevs");
3367 if (multidevs) {
3368 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3369 }
3370 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3371 &error_abort);
3372 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3373 qemu_opt_set(device, "fsdev",
3374 qemu_opts_id(fsdev), &error_abort);
3375 qemu_opt_set(device, "mount_tag",
3376 qemu_opt_get(opts, "mount_tag"), &error_abort);
3377 break;
3378 }
3379 case QEMU_OPTION_virtfs_synth: {
3380 QemuOpts *fsdev;
3381 QemuOpts *device;
3382
3383 warn_report("'-virtfs_synth' is deprecated, please use "
3384 "'-fsdev synth' and '-device virtio-9p-...' "
3385 "instead");
3386
3387 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3388 1, NULL);
3389 if (!fsdev) {
3390 error_report("duplicate option: %s", "virtfs_synth");
3391 exit(1);
3392 }
3393 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3394
3395 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3396 &error_abort);
3397 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3398 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3399 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3400 break;
3401 }
3402 case QEMU_OPTION_serial:
3403 add_device_config(DEV_SERIAL, optarg);
3404 default_serial = 0;
3405 if (strncmp(optarg, "mon:", 4) == 0) {
3406 default_monitor = 0;
3407 }
3408 break;
3409 case QEMU_OPTION_watchdog:
3410 if (watchdog) {
3411 error_report("only one watchdog option may be given");
3412 return 1;
3413 }
3414 watchdog = optarg;
3415 break;
3416 case QEMU_OPTION_watchdog_action:
3417 if (select_watchdog_action(optarg) == -1) {
3418 error_report("unknown -watchdog-action parameter");
3419 exit(1);
3420 }
3421 break;
3422 case QEMU_OPTION_parallel:
3423 add_device_config(DEV_PARALLEL, optarg);
3424 default_parallel = 0;
3425 if (strncmp(optarg, "mon:", 4) == 0) {
3426 default_monitor = 0;
3427 }
3428 break;
3429 case QEMU_OPTION_debugcon:
3430 add_device_config(DEV_DEBUGCON, optarg);
3431 break;
3432 case QEMU_OPTION_loadvm:
3433 loadvm = optarg;
3434 break;
3435 case QEMU_OPTION_full_screen:
3436 dpy.has_full_screen = true;
3437 dpy.full_screen = true;
3438 break;
3439 case QEMU_OPTION_alt_grab:
3440 alt_grab = 1;
3441 break;
3442 case QEMU_OPTION_ctrl_grab:
3443 ctrl_grab = 1;
3444 break;
3445 case QEMU_OPTION_no_quit:
3446 dpy.has_window_close = true;
3447 dpy.window_close = false;
3448 break;
3449 case QEMU_OPTION_sdl:
3450#ifdef CONFIG_SDL
3451 dpy.type = DISPLAY_TYPE_SDL;
3452 break;
3453#else
3454 error_report("SDL support is disabled");
3455 exit(1);
3456#endif
3457 case QEMU_OPTION_pidfile:
3458 pid_file = optarg;
3459 break;
3460 case QEMU_OPTION_win2k_hack:
3461 win2k_install_hack = 1;
3462 break;
3463 case QEMU_OPTION_acpitable:
3464 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3465 optarg, true);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 acpi_table_add(opts, &error_fatal);
3470 break;
3471 case QEMU_OPTION_smbios:
3472 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3473 optarg, false);
3474 if (!opts) {
3475 exit(1);
3476 }
3477 smbios_entry_add(opts, &error_fatal);
3478 break;
3479 case QEMU_OPTION_fwcfg:
3480 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3481 optarg, true);
3482 if (opts == NULL) {
3483 exit(1);
3484 }
3485 break;
3486 case QEMU_OPTION_preconfig:
3487 preconfig_exit_requested = false;
3488 break;
3489 case QEMU_OPTION_enable_kvm:
3490 olist = qemu_find_opts("machine");
3491 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3492 break;
3493 case QEMU_OPTION_M:
3494 case QEMU_OPTION_machine:
3495 olist = qemu_find_opts("machine");
3496 opts = qemu_opts_parse_noisily(olist, optarg, true);
3497 if (!opts) {
3498 exit(1);
3499 }
3500 break;
3501 case QEMU_OPTION_no_kvm:
3502 olist = qemu_find_opts("machine");
3503 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3504 break;
3505 case QEMU_OPTION_accel:
3506 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3507 optarg, true);
3508 optarg = qemu_opt_get(accel_opts, "accel");
3509 if (!optarg || is_help_option(optarg)) {
3510 printf("Accelerators supported in QEMU binary:\n");
3511 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3512 false);
3513 for (el = accel_list; el; el = el->next) {
3514 gchar *typename = g_strdup(object_class_get_name(
3515 OBJECT_CLASS(el->data)));
3516
3517 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3518 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3519 gchar **optname = g_strsplit(typename,
3520 ACCEL_CLASS_SUFFIX, 0);
3521 printf("%s\n", optname[0]);
3522 g_free(optname);
3523 }
3524 g_free(typename);
3525 }
3526 g_slist_free(accel_list);
3527 exit(0);
3528 }
3529 if (optarg && strchr(optarg, ':')) {
3530 error_report("Don't use ':' with -accel, "
3531 "use -M accel=... for now instead");
3532 exit(1);
3533 }
3534 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3535 false, &error_abort);
3536 qemu_opt_set(opts, "accel", optarg, &error_abort);
3537 break;
3538 case QEMU_OPTION_usb:
3539 olist = qemu_find_opts("machine");
3540 qemu_opts_parse_noisily(olist, "usb=on", false);
3541 break;
3542 case QEMU_OPTION_usbdevice:
3543 error_report("'-usbdevice' is deprecated, please use "
3544 "'-device usb-...' instead");
3545 olist = qemu_find_opts("machine");
3546 qemu_opts_parse_noisily(olist, "usb=on", false);
3547 add_device_config(DEV_USB, optarg);
3548 break;
3549 case QEMU_OPTION_device:
3550 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3551 optarg, true)) {
3552 exit(1);
3553 }
3554 break;
3555 case QEMU_OPTION_smp:
3556 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3557 optarg, true)) {
3558 exit(1);
3559 }
3560 break;
3561 case QEMU_OPTION_vnc:
3562 vnc_parse(optarg, &error_fatal);
3563 break;
3564 case QEMU_OPTION_no_acpi:
3565 acpi_enabled = 0;
3566 break;
3567 case QEMU_OPTION_no_hpet:
3568 no_hpet = 1;
3569 break;
3570 case QEMU_OPTION_no_reboot:
3571 no_reboot = 1;
3572 break;
3573 case QEMU_OPTION_no_shutdown:
3574 no_shutdown = 1;
3575 break;
3576 case QEMU_OPTION_show_cursor:
3577 cursor_hide = 0;
3578 break;
3579 case QEMU_OPTION_uuid:
3580 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3581 error_report("failed to parse UUID string: wrong format");
3582 exit(1);
3583 }
3584 qemu_uuid_set = true;
3585 break;
3586 case QEMU_OPTION_option_rom:
3587 if (nb_option_roms >= MAX_OPTION_ROMS) {
3588 error_report("too many option ROMs");
3589 exit(1);
3590 }
3591 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3592 optarg, true);
3593 if (!opts) {
3594 exit(1);
3595 }
3596 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3597 option_rom[nb_option_roms].bootindex =
3598 qemu_opt_get_number(opts, "bootindex", -1);
3599 if (!option_rom[nb_option_roms].name) {
3600 error_report("Option ROM file is not specified");
3601 exit(1);
3602 }
3603 nb_option_roms++;
3604 break;
3605 case QEMU_OPTION_semihosting:
3606 qemu_semihosting_enable();
3607 break;
3608 case QEMU_OPTION_semihosting_config:
3609 if (qemu_semihosting_config_options(optarg) != 0) {
3610 exit(1);
3611 }
3612 break;
3613 case QEMU_OPTION_name:
3614 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3615 optarg, true);
3616 if (!opts) {
3617 exit(1);
3618 }
3619 break;
3620 case QEMU_OPTION_prom_env:
3621 if (nb_prom_envs >= MAX_PROM_ENVS) {
3622 error_report("too many prom variables");
3623 exit(1);
3624 }
3625 prom_envs[nb_prom_envs] = optarg;
3626 nb_prom_envs++;
3627 break;
3628 case QEMU_OPTION_old_param:
3629 old_param = 1;
3630 break;
3631 case QEMU_OPTION_rtc:
3632 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3633 false);
3634 if (!opts) {
3635 exit(1);
3636 }
3637 break;
3638 case QEMU_OPTION_tb_size:
3639#ifndef CONFIG_TCG
3640 error_report("TCG is disabled");
3641 exit(1);
3642#endif
3643 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3644 error_report("Invalid argument to -tb-size");
3645 exit(1);
3646 }
3647 break;
3648 case QEMU_OPTION_icount:
3649 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3650 optarg, true);
3651 if (!icount_opts) {
3652 exit(1);
3653 }
3654 break;
3655 case QEMU_OPTION_incoming:
3656 if (!incoming) {
3657 runstate_set(RUN_STATE_INMIGRATE);
3658 }
3659 incoming = optarg;
3660 break;
3661 case QEMU_OPTION_only_migratable:
3662 only_migratable = 1;
3663 break;
3664 case QEMU_OPTION_nodefaults:
3665 has_defaults = 0;
3666 break;
3667 case QEMU_OPTION_xen_domid:
3668 if (!(xen_available())) {
3669 error_report("Option not supported for this target");
3670 exit(1);
3671 }
3672 xen_domid = atoi(optarg);
3673 break;
3674 case QEMU_OPTION_xen_attach:
3675 if (!(xen_available())) {
3676 error_report("Option not supported for this target");
3677 exit(1);
3678 }
3679 xen_mode = XEN_ATTACH;
3680 break;
3681 case QEMU_OPTION_xen_domid_restrict:
3682 if (!(xen_available())) {
3683 error_report("Option not supported for this target");
3684 exit(1);
3685 }
3686 xen_domid_restrict = true;
3687 break;
3688 case QEMU_OPTION_trace:
3689 g_free(trace_file);
3690 trace_file = trace_opt_parse(optarg);
3691 break;
3692 case QEMU_OPTION_plugin:
3693 qemu_plugin_opt_parse(optarg, &plugin_list);
3694 break;
3695 case QEMU_OPTION_readconfig:
3696 {
3697 int ret = qemu_read_config_file(optarg);
3698 if (ret < 0) {
3699 error_report("read config %s: %s", optarg,
3700 strerror(-ret));
3701 exit(1);
3702 }
3703 break;
3704 }
3705 case QEMU_OPTION_spice:
3706 olist = qemu_find_opts("spice");
3707 if (!olist) {
3708 error_report("spice support is disabled");
3709 exit(1);
3710 }
3711 opts = qemu_opts_parse_noisily(olist, optarg, false);
3712 if (!opts) {
3713 exit(1);
3714 }
3715 display_remote++;
3716 break;
3717 case QEMU_OPTION_writeconfig:
3718 {
3719 FILE *fp;
3720 if (strcmp(optarg, "-") == 0) {
3721 fp = stdout;
3722 } else {
3723 fp = fopen(optarg, "w");
3724 if (fp == NULL) {
3725 error_report("open %s: %s", optarg,
3726 strerror(errno));
3727 exit(1);
3728 }
3729 }
3730 qemu_config_write(fp);
3731 if (fp != stdout) {
3732 fclose(fp);
3733 }
3734 break;
3735 }
3736 case QEMU_OPTION_qtest:
3737 qtest_chrdev = optarg;
3738 break;
3739 case QEMU_OPTION_qtest_log:
3740 qtest_log = optarg;
3741 break;
3742 case QEMU_OPTION_sandbox:
3743 olist = qemu_find_opts("sandbox");
3744 if (!olist) {
3745#ifndef CONFIG_SECCOMP
3746 error_report("-sandbox support is not enabled "
3747 "in this QEMU binary");
3748#endif
3749 exit(1);
3750 }
3751
3752 opts = qemu_opts_parse_noisily(olist, optarg, true);
3753 if (!opts) {
3754 exit(1);
3755 }
3756 break;
3757 case QEMU_OPTION_add_fd:
3758#ifndef _WIN32
3759 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3760 optarg, false);
3761 if (!opts) {
3762 exit(1);
3763 }
3764#else
3765 error_report("File descriptor passing is disabled on this "
3766 "platform");
3767 exit(1);
3768#endif
3769 break;
3770 case QEMU_OPTION_object:
3771 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3772 optarg, true);
3773 if (!opts) {
3774 exit(1);
3775 }
3776 break;
3777 case QEMU_OPTION_realtime:
3778 warn_report("'-realtime mlock=...' is deprecated, please use "
3779 "'-overcommit mem-lock=...' instead");
3780 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3781 optarg, false);
3782 if (!opts) {
3783 exit(1);
3784 }
3785
3786 enable_mlock = enable_mlock ||
3787 qemu_opt_get_bool(opts, "mlock", true);
3788 break;
3789 case QEMU_OPTION_overcommit:
3790 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3791 optarg, false);
3792 if (!opts) {
3793 exit(1);
3794 }
3795
3796 enable_mlock = enable_mlock ||
3797 qemu_opt_get_bool(opts, "mem-lock", false);
3798 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3799 break;
3800 case QEMU_OPTION_msg:
3801 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3802 false);
3803 if (!opts) {
3804 exit(1);
3805 }
3806 configure_msg(opts);
3807 break;
3808 case QEMU_OPTION_dump_vmstate:
3809 if (vmstate_dump_file) {
3810 error_report("only one '-dump-vmstate' "
3811 "option may be given");
3812 exit(1);
3813 }
3814 vmstate_dump_file = fopen(optarg, "w");
3815 if (vmstate_dump_file == NULL) {
3816 error_report("open %s: %s", optarg, strerror(errno));
3817 exit(1);
3818 }
3819 break;
3820 case QEMU_OPTION_enable_sync_profile:
3821 qsp_enable();
3822 break;
3823 case QEMU_OPTION_nouserconfig:
3824
3825 break;
3826 default:
3827 if (os_parse_cmd_args(popt->index, optarg)) {
3828 error_report("Option not supported in this build");
3829 exit(1);
3830 }
3831 }
3832 }
3833 }
3834
3835
3836
3837
3838 loc_set_none();
3839
3840 user_register_global_props();
3841
3842 replay_configure(icount_opts);
3843
3844 if (incoming && !preconfig_exit_requested) {
3845 error_report("'preconfig' and 'incoming' options are "
3846 "mutually exclusive");
3847 exit(EXIT_FAILURE);
3848 }
3849
3850 configure_rtc(qemu_find_opts_singleton("rtc"));
3851
3852 machine_class = select_machine();
3853 object_set_machine_compat_props(machine_class->compat_props);
3854
3855 set_memory_options(&ram_slots, &maxram_size, machine_class);
3856
3857 os_daemonize();
3858 rcu_disable_atfork();
3859
3860 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3861 error_reportf_err(err, "cannot create PID file: ");
3862 exit(1);
3863 }
3864
3865 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3866 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3867
3868 if (qemu_init_main_loop(&main_loop_err)) {
3869 error_report_err(main_loop_err);
3870 exit(1);
3871 }
3872
3873#ifdef CONFIG_SECCOMP
3874 olist = qemu_find_opts_err("sandbox", NULL);
3875 if (olist) {
3876 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3877 }
3878#endif
3879
3880 qemu_opts_foreach(qemu_find_opts("name"),
3881 parse_name, NULL, &error_fatal);
3882
3883#ifndef _WIN32
3884 qemu_opts_foreach(qemu_find_opts("add-fd"),
3885 parse_add_fd, NULL, &error_fatal);
3886
3887 qemu_opts_foreach(qemu_find_opts("add-fd"),
3888 cleanup_add_fd, NULL, &error_fatal);
3889#endif
3890
3891 current_machine = MACHINE(object_new(object_class_get_name(
3892 OBJECT_CLASS(machine_class))));
3893 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3894 exit(0);
3895 }
3896 object_property_add_child(object_get_root(), "machine",
3897 OBJECT(current_machine), &error_abort);
3898 object_property_add_child(container_get(OBJECT(current_machine),
3899 "/unattached"),
3900 "sysbus", OBJECT(sysbus_get_default()),
3901 NULL);
3902
3903 if (machine_class->minimum_page_bits) {
3904 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3905
3906
3907
3908 g_assert_not_reached();
3909 }
3910 }
3911
3912 cpu_exec_init_all();
3913
3914 if (machine_class->hw_version) {
3915 qemu_set_hw_version(machine_class->hw_version);
3916 }
3917
3918 if (cpu_option && is_help_option(cpu_option)) {
3919 list_cpus(cpu_option);
3920 exit(0);
3921 }
3922
3923 if (!trace_init_backends()) {
3924 exit(1);
3925 }
3926 trace_init_file(trace_file);
3927
3928
3929
3930 if (log_file) {
3931 qemu_set_log_filename(log_file, &error_fatal);
3932 }
3933
3934 if (log_mask) {
3935 int mask;
3936 mask = qemu_str_to_log_mask(log_mask);
3937 if (!mask) {
3938 qemu_print_log_usage(stdout);
3939 exit(1);
3940 }
3941 qemu_set_log(mask);
3942 } else {
3943 qemu_set_log(0);
3944 }
3945
3946
3947 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3948 for (i = 0; dirs[i] != NULL; i++) {
3949 qemu_add_data_dir(dirs[i]);
3950 }
3951 g_strfreev(dirs);
3952
3953
3954 dir = os_find_datadir();
3955 qemu_add_data_dir(dir);
3956 g_free(dir);
3957
3958
3959 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
3960
3961
3962 if (list_data_dirs) {
3963 for (i = 0; i < data_dir_idx; i++) {
3964 printf("%s\n", data_dir[i]);
3965 }
3966 exit(0);
3967 }
3968
3969
3970 machine_class->max_cpus = machine_class->max_cpus ?: 1;
3971 machine_class->min_cpus = machine_class->min_cpus ?: 1;
3972 machine_class->default_cpus = machine_class->default_cpus ?: 1;
3973
3974
3975 current_machine->smp.cpus = machine_class->default_cpus;
3976 current_machine->smp.max_cpus = machine_class->default_cpus;
3977 current_machine->smp.cores = 1;
3978 current_machine->smp.threads = 1;
3979
3980 machine_class->smp_parse(current_machine,
3981 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3982
3983
3984 if (current_machine->smp.cpus < machine_class->min_cpus) {
3985 error_report("Invalid SMP CPUs %d. The min CPUs "
3986 "supported by machine '%s' is %d",
3987 current_machine->smp.cpus,
3988 machine_class->name, machine_class->min_cpus);
3989 exit(1);
3990 }
3991 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
3992 error_report("Invalid SMP CPUs %d. The max CPUs "
3993 "supported by machine '%s' is %d",
3994 current_machine->smp.max_cpus,
3995 machine_class->name, machine_class->max_cpus);
3996 exit(1);
3997 }
3998
3999
4000
4001
4002
4003 if (machine_class->default_machine_opts) {
4004 qemu_opts_set_defaults(qemu_find_opts("machine"),
4005 machine_class->default_machine_opts, 0);
4006 }
4007
4008
4009 if (qemu_plugin_load_list(&plugin_list)) {
4010 exit(1);
4011 }
4012
4013 qemu_opts_foreach(qemu_find_opts("device"),
4014 default_driver_check, NULL, NULL);
4015 qemu_opts_foreach(qemu_find_opts("global"),
4016 default_driver_check, NULL, NULL);
4017
4018 if (!vga_model && !default_vga) {
4019 vga_interface_type = VGA_DEVICE;
4020 }
4021 if (!has_defaults || machine_class->no_serial) {
4022 default_serial = 0;
4023 }
4024 if (!has_defaults || machine_class->no_parallel) {
4025 default_parallel = 0;
4026 }
4027 if (!has_defaults || machine_class->no_floppy) {
4028 default_floppy = 0;
4029 }
4030 if (!has_defaults || machine_class->no_cdrom) {
4031 default_cdrom = 0;
4032 }
4033 if (!has_defaults || machine_class->no_sdcard) {
4034 default_sdcard = 0;
4035 }
4036 if (!has_defaults) {
4037 default_monitor = 0;
4038 default_net = 0;
4039 default_vga = 0;
4040 }
4041
4042 if (is_daemonized()) {
4043 if (!preconfig_exit_requested) {
4044 error_report("'preconfig' and 'daemonize' options are "
4045 "mutually exclusive");
4046 exit(EXIT_FAILURE);
4047 }
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058 if (nographic
4059 && (default_parallel || default_serial || default_monitor)) {
4060 error_report("-nographic cannot be used with -daemonize");
4061 exit(1);
4062 }
4063#ifdef CONFIG_CURSES
4064 if (dpy.type == DISPLAY_TYPE_CURSES) {
4065 error_report("curses display cannot be used with -daemonize");
4066 exit(1);
4067 }
4068#endif
4069 }
4070
4071 if (nographic) {
4072 if (default_parallel)
4073 add_device_config(DEV_PARALLEL, "null");
4074 if (default_serial && default_monitor) {
4075 add_device_config(DEV_SERIAL, "mon:stdio");
4076 } else {
4077 if (default_serial)
4078 add_device_config(DEV_SERIAL, "stdio");
4079 if (default_monitor)
4080 monitor_parse("stdio", "readline", false);
4081 }
4082 } else {
4083 if (default_serial)
4084 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4085 if (default_parallel)
4086 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4087 if (default_monitor)
4088 monitor_parse("vc:80Cx24C", "readline", false);
4089 }
4090
4091#if defined(CONFIG_VNC)
4092 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4093 display_remote++;
4094 }
4095#endif
4096 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4097 if (!qemu_display_find_default(&dpy)) {
4098 dpy.type = DISPLAY_TYPE_NONE;
4099#if defined(CONFIG_VNC)
4100 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4101#endif
4102 }
4103 }
4104 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4105 dpy.type = DISPLAY_TYPE_NONE;
4106 }
4107
4108 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4109 error_report("-alt-grab and -ctrl-grab are only valid "
4110 "for SDL, ignoring option");
4111 }
4112 if (dpy.has_window_close &&
4113 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4114 error_report("-no-quit is only valid for GTK and SDL, "
4115 "ignoring option");
4116 }
4117
4118 qemu_display_early_init(&dpy);
4119 qemu_console_early_init();
4120
4121 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4122#if defined(CONFIG_OPENGL)
4123 error_report("OpenGL is not supported by the display");
4124#else
4125 error_report("OpenGL support is disabled");
4126#endif
4127 exit(1);
4128 }
4129
4130 page_size_init();
4131 socket_init();
4132
4133 qemu_opts_foreach(qemu_find_opts("object"),
4134 user_creatable_add_opts_foreach,
4135 object_create_initial, &error_fatal);
4136
4137 qemu_opts_foreach(qemu_find_opts("chardev"),
4138 chardev_init_func, NULL, &error_fatal);
4139
4140 qemu_semihosting_connect_chardevs();
4141
4142#ifdef CONFIG_VIRTFS
4143 qemu_opts_foreach(qemu_find_opts("fsdev"),
4144 fsdev_init_func, NULL, &error_fatal);
4145#endif
4146
4147 if (qemu_opts_foreach(qemu_find_opts("device"),
4148 device_help_func, NULL, NULL)) {
4149 exit(0);
4150 }
4151
4152
4153
4154
4155
4156
4157 configure_blockdev(&bdo_queue, machine_class, snapshot);
4158
4159 machine_opts = qemu_get_machine_opts();
4160 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4161 &error_fatal);
4162 current_machine->ram_size = ram_size;
4163 current_machine->maxram_size = maxram_size;
4164 current_machine->ram_slots = ram_slots;
4165
4166
4167
4168
4169
4170 configure_accelerator(current_machine, argv[0]);
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188 if (!qtest_enabled() && machine_class->deprecation_reason) {
4189 error_report("Machine type '%s' is deprecated: %s",
4190 machine_class->name, machine_class->deprecation_reason);
4191 }
4192
4193
4194
4195
4196
4197 migration_object_init();
4198
4199 if (qtest_chrdev) {
4200 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
4201 }
4202
4203 machine_opts = qemu_get_machine_opts();
4204 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4205 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4206 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4207 bios_name = qemu_opt_get(machine_opts, "firmware");
4208
4209 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4210 if (opts) {
4211 boot_order = qemu_opt_get(opts, "order");
4212 if (boot_order) {
4213 validate_bootdevices(boot_order, &error_fatal);
4214 }
4215
4216 boot_once = qemu_opt_get(opts, "once");
4217 if (boot_once) {
4218 validate_bootdevices(boot_once, &error_fatal);
4219 }
4220
4221 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4222 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4223 }
4224
4225 if (!boot_order) {
4226 boot_order = machine_class->default_boot_order;
4227 }
4228
4229 if (!kernel_cmdline) {
4230 kernel_cmdline = "";
4231 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4232 }
4233
4234 linux_boot = (kernel_filename != NULL);
4235
4236 if (!linux_boot && *kernel_cmdline != '\0') {
4237 error_report("-append only allowed with -kernel option");
4238 exit(1);
4239 }
4240
4241 if (!linux_boot && initrd_filename != NULL) {
4242 error_report("-initrd only allowed with -kernel option");
4243 exit(1);
4244 }
4245
4246 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4247
4248 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4249 }
4250
4251
4252 qemu_spice_init();
4253
4254 cpu_ticks_init();
4255 if (icount_opts) {
4256 if (!tcg_enabled()) {
4257 error_report("-icount is not allowed with hardware virtualization");
4258 exit(1);
4259 }
4260 configure_icount(icount_opts, &error_abort);
4261 qemu_opts_del(icount_opts);
4262 }
4263
4264 if (tcg_enabled()) {
4265 qemu_tcg_configure(accel_opts, &error_fatal);
4266 }
4267
4268 if (default_net) {
4269 QemuOptsList *net = qemu_find_opts("net");
4270 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4271#ifdef CONFIG_SLIRP
4272 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4273#endif
4274 }
4275
4276 if (net_init_clients(&err) < 0) {
4277 error_report_err(err);
4278 exit(1);
4279 }
4280
4281 qemu_opts_foreach(qemu_find_opts("object"),
4282 user_creatable_add_opts_foreach,
4283 object_create_delayed, &error_fatal);
4284
4285 tpm_init();
4286
4287
4288 if (foreach_device_config(DEV_BT, bt_parse))
4289 exit(1);
4290
4291 if (!xen_enabled()) {
4292
4293 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4294 error_report("at most 2047 MB RAM can be simulated");
4295 exit(1);
4296 }
4297 }
4298
4299 blk_mig_init();
4300 ram_mig_init();
4301 dirty_bitmap_mig_init();
4302
4303 qemu_opts_foreach(qemu_find_opts("mon"),
4304 mon_init_func, NULL, &error_fatal);
4305
4306 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4307 exit(1);
4308 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4309 exit(1);
4310 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4311 exit(1);
4312
4313
4314 if (default_vga) {
4315 vga_model = get_default_vga_model(machine_class);
4316 }
4317 if (vga_model) {
4318 select_vgahw(machine_class, vga_model);
4319 }
4320
4321 if (watchdog) {
4322 i = select_watchdog(watchdog);
4323 if (i > 0)
4324 exit (i == 1 ? 1 : 0);
4325 }
4326
4327
4328
4329
4330 replay_checkpoint(CHECKPOINT_INIT);
4331 qdev_machine_init();
4332
4333 current_machine->boot_order = boot_order;
4334
4335
4336 current_machine->cpu_type = machine_class->default_cpu_type;
4337 if (cpu_option) {
4338 current_machine->cpu_type = parse_cpu_option(cpu_option);
4339 }
4340 parse_numa_opts(current_machine);
4341
4342
4343 main_loop();
4344
4345 audio_init_audiodevs();
4346
4347
4348 machine_run_board_init(current_machine);
4349
4350 realtime_init();
4351
4352 soundhw_init();
4353
4354 if (hax_enabled()) {
4355 hax_sync_vcpus();
4356 }
4357
4358 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4359 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4360
4361
4362 if (machine_usb(current_machine)) {
4363 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4364 exit(1);
4365 }
4366
4367
4368 igd_gfx_passthru();
4369
4370
4371 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4372 qemu_opts_foreach(qemu_find_opts("device"),
4373 device_init_func, NULL, &error_fatal);
4374
4375 cpu_synchronize_all_post_init();
4376
4377 rom_reset_order_override();
4378
4379
4380 drive_check_orphaned();
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390 if (!default_net && (!qtest_enabled() || has_defaults)) {
4391 net_check_clients();
4392 }
4393
4394 if (boot_once) {
4395 qemu_boot_set(boot_once, &error_fatal);
4396 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4397 }
4398
4399
4400 ds = init_displaystate();
4401 qemu_display_init(ds, &dpy);
4402
4403
4404 os_setup_signal_handling();
4405
4406
4407#ifdef CONFIG_VNC
4408 qemu_opts_foreach(qemu_find_opts("vnc"),
4409 vnc_init_func, NULL, &error_fatal);
4410#endif
4411
4412 if (using_spice) {
4413 qemu_spice_display_init();
4414 }
4415
4416 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4417 exit(1);
4418 }
4419
4420 qdev_machine_creation_done();
4421
4422
4423
4424 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4425 qemu_run_machine_init_done_notifiers();
4426
4427 if (rom_check_and_register_reset() != 0) {
4428 error_report("rom check and register reset failed");
4429 exit(1);
4430 }
4431
4432 replay_start();
4433
4434
4435
4436
4437 replay_checkpoint(CHECKPOINT_RESET);
4438 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4439 register_global_state();
4440 if (loadvm) {
4441 Error *local_err = NULL;
4442 if (load_snapshot(loadvm, &local_err) < 0) {
4443 error_report_err(local_err);
4444 autostart = 0;
4445 exit(1);
4446 }
4447 }
4448 if (replay_mode != REPLAY_MODE_NONE) {
4449 replay_vmstate_init();
4450 }
4451
4452 qdev_prop_check_globals();
4453 if (vmstate_dump_file) {
4454
4455 dump_vmstate_json_to_file(vmstate_dump_file);
4456 return 0;
4457 }
4458
4459 if (incoming) {
4460 Error *local_err = NULL;
4461 qemu_start_incoming_migration(incoming, &local_err);
4462 if (local_err) {
4463 error_reportf_err(local_err, "-incoming %s: ", incoming);
4464 exit(1);
4465 }
4466 } else if (autostart) {
4467 vm_start();
4468 }
4469
4470 accel_setup_post(current_machine);
4471 os_setup_post();
4472
4473 main_loop();
4474
4475 gdbserver_cleanup();
4476
4477
4478
4479
4480
4481 migration_shutdown();
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492 bdrv_drain_all_begin();
4493
4494
4495 vm_shutdown();
4496 replay_finish();
4497
4498 job_cancel_sync_all();
4499 bdrv_close_all();
4500
4501 res_free();
4502
4503
4504 tpm_cleanup();
4505 net_cleanup();
4506 audio_cleanup();
4507 monitor_cleanup();
4508 qemu_chr_cleanup();
4509 user_creatable_cleanup();
4510
4511
4512 return 0;
4513}
4514