4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
40 return qemu_main(argc, argv, NULL);
43 #define main qemu_main
45 #endif /* CONFIG_SDL */
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
103 #include "fsdev/qemu-fsdev.h"
105 #include "sysemu/qtest.h"
107 #include "disas/disas.h"
110 #include "slirp/libslirp.h"
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
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 "exec/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-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
134 #define MAX_VIRTIO_CONSOLES 1
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141 const char* keyboard_layout = NULL;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
148 NICInfo nd_table[MAX_NICS];
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
170 unsigned int max_cpus;
173 int acpi_enabled = 1;
176 static int no_reboot;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
184 const char *qemu_name;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 uint8_t qemu_extra_params_fw[2];
195 int icount_align_option;
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_virtcon = 1;
218 static int default_monitor = 1;
219 static int default_floppy = 1;
220 static int default_cdrom = 1;
221 static int default_sdcard = 1;
222 static int default_vga = 1;
223 static int default_net = 1;
229 { .driver = "isa-serial", .flag = &default_serial },
230 { .driver = "isa-parallel", .flag = &default_parallel },
231 { .driver = "isa-fdc", .flag = &default_floppy },
232 { .driver = "floppy", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "scsi-hd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 { .driver = "virtio-vga", .flag = &default_vga },
249 static QemuOptsList qemu_rtc_opts = {
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
256 .type = QEMU_OPT_STRING,
259 .type = QEMU_OPT_STRING,
262 .type = QEMU_OPT_STRING,
264 { /* end of list */ }
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
275 .type = QEMU_OPT_NUMBER,
278 .type = QEMU_OPT_STRING,
280 { /* end of list */ }
284 static QemuOptsList qemu_machine_opts = {
286 .implied_opt_name = "type",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
299 static QemuOptsList qemu_accel_opts = {
301 .implied_opt_name = "accel",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
307 .type = QEMU_OPT_STRING,
308 .help = "Select the type of accelerator",
312 .type = QEMU_OPT_STRING,
313 .help = "Enable/disable multi-threaded TCG",
315 { /* end of list */ }
319 static QemuOptsList qemu_boot_opts = {
321 .implied_opt_name = "order",
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
327 .type = QEMU_OPT_STRING,
330 .type = QEMU_OPT_STRING,
333 .type = QEMU_OPT_BOOL,
336 .type = QEMU_OPT_STRING,
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
345 .type = QEMU_OPT_BOOL,
351 static QemuOptsList qemu_add_fd_opts = {
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
368 { /* end of list */ }
372 static QemuOptsList qemu_object_opts = {
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
381 static QemuOptsList qemu_tpmdev_opts = {
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
391 static QemuOptsList qemu_realtime_opts = {
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
397 .type = QEMU_OPT_BOOL,
399 { /* end of list */ }
403 static QemuOptsList qemu_overcommit_opts = {
404 .name = "overcommit",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
409 .type = QEMU_OPT_BOOL,
413 .type = QEMU_OPT_BOOL,
415 { /* end of list */ }
419 static QemuOptsList qemu_msg_opts = {
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
425 .type = QEMU_OPT_BOOL,
427 { /* end of list */ }
431 static QemuOptsList qemu_name_opts = {
433 .implied_opt_name = "guest",
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the QEMU process, as shown in top etc",
448 .name = "debug-threads",
449 .type = QEMU_OPT_BOOL,
450 .help = "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
454 { /* End of list */ }
458 static QemuOptsList qemu_mem_opts = {
460 .implied_opt_name = "size",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
466 .type = QEMU_OPT_SIZE,
470 .type = QEMU_OPT_NUMBER,
474 .type = QEMU_OPT_SIZE,
476 { /* end of list */ }
480 static QemuOptsList qemu_icount_opts = {
482 .implied_opt_name = "shift",
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
488 .type = QEMU_OPT_STRING,
491 .type = QEMU_OPT_BOOL,
494 .type = QEMU_OPT_BOOL,
497 .type = QEMU_OPT_STRING,
500 .type = QEMU_OPT_STRING,
502 .name = "rrsnapshot",
503 .type = QEMU_OPT_STRING,
505 { /* end of list */ }
509 static QemuOptsList qemu_semihosting_config_opts = {
510 .name = "semihosting-config",
511 .implied_opt_name = "enable",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
516 .type = QEMU_OPT_BOOL,
519 .type = QEMU_OPT_STRING,
522 .type = QEMU_OPT_STRING,
524 { /* end of list */ }
528 static QemuOptsList qemu_fw_cfg_opts = {
530 .implied_opt_name = "name",
531 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the fw_cfg name of the blob to be inserted",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the name of the file from which\n"
541 "the fw_cfg blob will be loaded",
544 .type = QEMU_OPT_STRING,
545 .help = "Sets content of the blob to be inserted from a string",
547 { /* end of list */ }
552 * Get machine options
554 * Returns: machine options (never null).
556 QemuOpts *qemu_get_machine_opts(void)
558 return qemu_find_opts_singleton("machine");
561 const char *qemu_get_vm_name(void)
566 static void res_free(void)
568 g_free(boot_splash_filedata);
569 boot_splash_filedata = NULL;
572 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
574 const char *driver = qemu_opt_get(opts, "driver");
579 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
580 if (strcmp(default_list[i].driver, driver) != 0)
582 *(default_list[i].flag) = 0;
587 /***********************************************************/
590 static RunState current_run_state = RUN_STATE_PRECONFIG;
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested = RUN_STATE__MAX;
594 static QemuMutex vmstop_lock;
599 } RunStateTransition;
601 static const RunStateTransition runstate_transitions_def[] = {
603 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
608 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
694 { RUN_STATE__MAX, RUN_STATE__MAX },
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
699 bool runstate_check(RunState state)
701 return current_run_state == state;
704 bool runstate_store(char *str, size_t size)
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
712 memcpy(str, state, len);
716 static void runstate_init(void)
718 const RunStateTransition *p;
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
725 qemu_mutex_init(&vmstop_lock);
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
731 assert(new_state < RUN_STATE__MAX);
733 if (current_run_state == new_state) {
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
747 int runstate_is_running(void)
749 return runstate_check(RUN_STATE_RUNNING);
752 bool runstate_needs_reset(void)
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
758 StatusInfo *qmp_query_status(Error **errp)
760 StatusInfo *info = g_malloc0(sizeof(*info));
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
769 bool qemu_vmstop_requested(RunState *r)
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
778 void qemu_system_vmstop_request_prepare(void)
780 qemu_mutex_lock(&vmstop_lock);
783 void qemu_system_vmstop_request(RunState state)
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock)
794 time_t value = qemu_clock_get_ms(clock) / 1000;
796 case QEMU_CLOCK_REALTIME:
797 value -= rtc_realtime_clock_offset;
799 case QEMU_CLOCK_VIRTUAL:
800 value += rtc_ref_start_datetime;
802 case QEMU_CLOCK_HOST:
803 if (rtc_base_type == RTC_BASE_DATETIME) {
804 value -= rtc_host_datetime_offset;
813 void qemu_get_timedate(struct tm *tm, int offset)
815 time_t ti = qemu_ref_timedate(rtc_clock);
819 switch (rtc_base_type) {
820 case RTC_BASE_DATETIME:
824 case RTC_BASE_LOCALTIME:
825 localtime_r(&ti, tm);
830 int qemu_timedate_diff(struct tm *tm)
834 switch (rtc_base_type) {
835 case RTC_BASE_DATETIME:
837 seconds = mktimegm(tm);
839 case RTC_BASE_LOCALTIME:
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
850 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
853 static void configure_rtc_base_datetime(const char *startdate)
855 time_t rtc_start_datetime;
858 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
859 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
861 } else if (sscanf(startdate, "%d-%d-%d",
862 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
871 rtc_start_datetime = mktimegm(&tm);
872 if (rtc_start_datetime == -1) {
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
879 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
880 rtc_ref_start_datetime = rtc_start_datetime;
883 static void configure_rtc(QemuOpts *opts)
888 rtc_clock = QEMU_CLOCK_HOST;
889 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
890 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
892 value = qemu_opt_get(opts, "base");
894 if (!strcmp(value, "utc")) {
895 rtc_base_type = RTC_BASE_UTC;
896 } else if (!strcmp(value, "localtime")) {
897 Error *blocker = NULL;
898 rtc_base_type = RTC_BASE_LOCALTIME;
899 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker);
903 rtc_base_type = RTC_BASE_DATETIME;
904 configure_rtc_base_datetime(value);
907 value = qemu_opt_get(opts, "clock");
909 if (!strcmp(value, "host")) {
910 rtc_clock = QEMU_CLOCK_HOST;
911 } else if (!strcmp(value, "rt")) {
912 rtc_clock = QEMU_CLOCK_REALTIME;
913 } else if (!strcmp(value, "vm")) {
914 rtc_clock = QEMU_CLOCK_VIRTUAL;
916 error_report("invalid option value '%s'", value);
920 value = qemu_opt_get(opts, "driftfix");
922 if (!strcmp(value, "slew")) {
923 static GlobalProperty slew_lost_ticks = {
924 .driver = "mc146818rtc",
925 .property = "lost_tick_policy",
929 qdev_prop_register_global(&slew_lost_ticks);
930 } else if (!strcmp(value, "none")) {
931 /* discard is default */
933 error_report("invalid option value '%s'", value);
939 /***********************************************************/
940 /* Bluetooth support */
943 static struct HCIInfo *hci_table[MAX_NICS];
945 struct HCIInfo *qemu_next_hci(void)
947 if (cur_hci == nb_hcis)
950 return hci_table[cur_hci++];
953 static int bt_hci_parse(const char *str)
958 if (nb_hcis >= MAX_NICS) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
972 bdaddr.b[5] = 0x56 + nb_hcis;
973 hci->bdaddr_set(hci, bdaddr.b);
975 hci_table[nb_hcis++] = hci;
980 static void bt_vhci_add(int vlan_id)
982 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
985 warn_report("adding a VHCI to an empty scatternet %i",
988 bt_vhci_init(bt_new_hci(vlan));
991 static struct bt_device_s *bt_device_add(const char *opt)
993 struct bt_scatternet_s *vlan;
995 char *endp = strstr(opt, ",vlan=");
996 int len = (endp ? endp - opt : strlen(opt)) + 1;
999 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1002 vlan_id = strtol(endp + 6, &endp, 0);
1004 error_report("unrecognised bluetooth vlan Id");
1009 vlan = qemu_find_bt_vlan(vlan_id);
1012 warn_report("adding a slave device to an empty scatternet %i",
1015 if (!strcmp(devname, "keyboard"))
1016 return bt_keyboard_init(vlan);
1018 error_report("unsupported bluetooth device '%s'", devname);
1022 static int bt_parse(const char *opt)
1024 const char *endp, *p;
1027 if (strstart(opt, "hci", &endp)) {
1028 if (!*endp || *endp == ',') {
1030 if (!strstart(endp, ",vlan=", 0))
1033 return bt_hci_parse(opt);
1035 } else if (strstart(opt, "vhci", &endp)) {
1036 if (!*endp || *endp == ',') {
1038 if (strstart(endp, ",vlan=", &p)) {
1039 vlan = strtol(p, (char **) &endp, 0);
1041 error_report("bad scatternet '%s'", p);
1045 error_report("bad parameter '%s'", endp + 1);
1054 } else if (strstart(opt, "device:", &endp))
1055 return !bt_device_add(endp);
1057 error_report("bad bluetooth parameter '%s'", opt);
1061 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1063 const char *proc_name;
1065 if (qemu_opt_get(opts, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1068 qemu_name = qemu_opt_get(opts, "guest");
1070 proc_name = qemu_opt_get(opts, "process");
1072 os_set_proc_name(proc_name);
1078 bool defaults_enabled(void)
1080 return has_defaults;
1084 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1086 int fd, dupfd, flags;
1088 const char *fd_opaque = NULL;
1091 fd = qemu_opt_get_number(opts, "fd", -1);
1092 fdset_id = qemu_opt_get_number(opts, "set", -1);
1093 fd_opaque = qemu_opt_get(opts, "opaque");
1096 error_setg(errp, "fd option is required and must be non-negative");
1100 if (fd <= STDERR_FILENO) {
1101 error_setg(errp, "fd cannot be a standard I/O stream");
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_setg(errp, "fd is not valid or already in use");
1116 error_setg(errp, "set option is required and must be non-negative");
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1125 qemu_set_cloexec(dupfd);
1129 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1152 /***********************************************************/
1153 /* QEMU Block devices */
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1158 #define PFLASH_OPTS ""
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1164 BlockInterfaceType *block_default_type = opaque;
1166 return drive_new(opts, *block_default_type, errp) == NULL;
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1183 if (!enable || drive_get_by_index(type, index)) {
1187 opts = drive_add(type, index, NULL, optstr);
1189 drive_enable_snapshot(NULL, opts, NULL);
1192 dinfo = drive_new(opts, type, &error_abort);
1193 dinfo->is_default = true;
1197 static QemuOptsList qemu_smp_opts = {
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1205 .type = QEMU_OPT_NUMBER,
1208 .type = QEMU_OPT_NUMBER,
1211 .type = QEMU_OPT_NUMBER,
1214 .type = QEMU_OPT_NUMBER,
1217 .type = QEMU_OPT_NUMBER,
1219 { /*End of list */ }
1223 static void smp_parse(QemuOpts *opts)
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1237 cpus = cores * threads * sockets;
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 cores = cores > 0 ? cores : 1;
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 threads = threads > 0 ? threads : 1;
1246 } else if (sockets * cores * threads < cpus) {
1247 error_report("cpu topology: "
1248 "sockets (%u) * cores (%u) * threads (%u) < "
1250 sockets, cores, threads, cpus);
1254 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1256 if (max_cpus < cpus) {
1257 error_report("maxcpus must be equal to or greater than smp");
1261 if (sockets * cores * threads > max_cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) > "
1265 sockets, cores, threads, max_cpus);
1271 smp_threads = threads;
1275 Error *blocker = NULL;
1276 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1277 replay_add_blocker(blocker);
1281 static void realtime_init(void)
1284 if (os_mlock() < 0) {
1285 error_report("locking memory failed");
1292 static void configure_msg(QemuOpts *opts)
1294 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1297 /***********************************************************/
1300 typedef struct SemihostingConfig {
1302 SemihostingTarget target;
1305 const char *cmdline; /* concatenated argv */
1306 } SemihostingConfig;
1308 static SemihostingConfig semihosting;
1310 bool semihosting_enabled(void)
1312 return semihosting.enabled;
1315 SemihostingTarget semihosting_get_target(void)
1317 return semihosting.target;
1320 const char *semihosting_get_arg(int i)
1322 if (i >= semihosting.argc) {
1325 return semihosting.argv[i];
1328 int semihosting_get_argc(void)
1330 return semihosting.argc;
1333 const char *semihosting_get_cmdline(void)
1335 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1336 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1338 return semihosting.cmdline;
1341 static int add_semihosting_arg(void *opaque,
1342 const char *name, const char *val,
1345 SemihostingConfig *s = opaque;
1346 if (strcmp(name, "arg") == 0) {
1348 /* one extra element as g_strjoinv() expects NULL-terminated array */
1349 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1350 s->argv[s->argc - 1] = val;
1351 s->argv[s->argc] = NULL;
1356 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1357 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1362 add_semihosting_arg(&semihosting, "arg", file, NULL);
1364 /* split -append and initialize argv[1..n] */
1365 cmd_token = strtok(g_strdup(cmd), " ");
1367 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1368 cmd_token = strtok(NULL, " ");
1372 /* Now we still need this for compatibility with XEN. */
1373 bool has_igd_gfx_passthru;
1374 static void igd_gfx_passthru(void)
1376 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1379 /***********************************************************/
1382 static int usb_device_add(const char *devname)
1384 USBDevice *dev = NULL;
1386 if (!machine_usb(current_machine)) {
1390 dev = usbdevice_create(devname);
1397 static int usb_parse(const char *cmdline)
1400 r = usb_device_add(cmdline);
1402 error_report("could not add USB device '%s'", cmdline);
1407 /***********************************************************/
1408 /* machine registration */
1410 MachineState *current_machine;
1412 static MachineClass *find_machine(const char *name)
1414 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1415 MachineClass *mc = NULL;
1417 for (el = machines; el; el = el->next) {
1418 MachineClass *temp = el->data;
1420 if (!strcmp(temp->name, name)) {
1425 !strcmp(temp->alias, name)) {
1431 g_slist_free(machines);
1435 MachineClass *find_default_machine(void)
1437 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1438 MachineClass *mc = NULL;
1440 for (el = machines; el; el = el->next) {
1441 MachineClass *temp = el->data;
1443 if (temp->is_default) {
1449 g_slist_free(machines);
1453 MachineInfoList *qmp_query_machines(Error **errp)
1455 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1456 MachineInfoList *mach_list = NULL;
1458 for (el = machines; el; el = el->next) {
1459 MachineClass *mc = el->data;
1460 MachineInfoList *entry;
1463 info = g_malloc0(sizeof(*info));
1464 if (mc->is_default) {
1465 info->has_is_default = true;
1466 info->is_default = true;
1470 info->has_alias = true;
1471 info->alias = g_strdup(mc->alias);
1474 info->name = g_strdup(mc->name);
1475 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1476 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1478 entry = g_malloc0(sizeof(*entry));
1479 entry->value = info;
1480 entry->next = mach_list;
1484 g_slist_free(machines);
1488 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1490 ObjectProperty *prop;
1491 ObjectPropertyIterator iter;
1493 if (!qemu_opt_has_help_opt(opts)) {
1497 object_property_iter_init(&iter, OBJECT(machine));
1498 while ((prop = object_property_iter_next(&iter))) {
1503 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1504 prop->name, prop->type);
1505 if (prop->description) {
1506 error_printf(" (%s)\n", prop->description);
1515 /***********************************************************/
1516 /* main execution loop */
1518 struct vm_change_state_entry {
1519 VMChangeStateHandler *cb;
1521 QLIST_ENTRY (vm_change_state_entry) entries;
1524 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1526 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1529 VMChangeStateEntry *e;
1531 e = g_malloc0(sizeof (*e));
1535 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1539 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1541 QLIST_REMOVE (e, entries);
1545 void vm_state_notify(int running, RunState state)
1547 VMChangeStateEntry *e, *next;
1549 trace_vm_state_notify(running, state);
1551 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1552 e->cb(e->opaque, running, state);
1556 static ShutdownCause reset_requested;
1557 static ShutdownCause shutdown_requested;
1558 static int shutdown_signal;
1559 static pid_t shutdown_pid;
1560 static int powerdown_requested;
1561 static int debug_requested;
1562 static int suspend_requested;
1563 static bool preconfig_exit_requested = true;
1564 static WakeupReason wakeup_reason;
1565 static NotifierList powerdown_notifiers =
1566 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1567 static NotifierList suspend_notifiers =
1568 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1569 static NotifierList wakeup_notifiers =
1570 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1571 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1573 ShutdownCause qemu_shutdown_requested_get(void)
1575 return shutdown_requested;
1578 ShutdownCause qemu_reset_requested_get(void)
1580 return reset_requested;
1583 static int qemu_shutdown_requested(void)
1585 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1588 static void qemu_kill_report(void)
1590 if (!qtest_driver() && shutdown_signal) {
1591 if (shutdown_pid == 0) {
1592 /* This happens for eg ^C at the terminal, so it's worth
1593 * avoiding printing an odd message in that case.
1595 error_report("terminating on signal %d", shutdown_signal);
1597 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1599 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1600 shutdown_signal, shutdown_pid,
1601 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1602 g_free(shutdown_cmd);
1604 shutdown_signal = 0;
1608 static ShutdownCause qemu_reset_requested(void)
1610 ShutdownCause r = reset_requested;
1612 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1613 reset_requested = SHUTDOWN_CAUSE_NONE;
1616 return SHUTDOWN_CAUSE_NONE;
1619 static int qemu_suspend_requested(void)
1621 int r = suspend_requested;
1622 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1623 suspend_requested = 0;
1629 static WakeupReason qemu_wakeup_requested(void)
1631 return wakeup_reason;
1634 static int qemu_powerdown_requested(void)
1636 int r = powerdown_requested;
1637 powerdown_requested = 0;
1641 static int qemu_debug_requested(void)
1643 int r = debug_requested;
1644 debug_requested = 0;
1648 void qemu_exit_preconfig_request(void)
1650 preconfig_exit_requested = true;
1654 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1656 void qemu_system_reset(ShutdownCause reason)
1660 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1662 cpu_synchronize_all_states();
1664 if (mc && mc->reset) {
1667 qemu_devices_reset();
1669 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1670 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1672 cpu_synchronize_all_post_reset();
1675 void qemu_system_guest_panicked(GuestPanicInformation *info)
1677 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1680 current_cpu->crash_occurred = true;
1682 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1684 vm_stop(RUN_STATE_GUEST_PANICKED);
1686 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1688 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1692 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1693 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1694 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1695 info->u.hyper_v.arg1,
1696 info->u.hyper_v.arg2,
1697 info->u.hyper_v.arg3,
1698 info->u.hyper_v.arg4,
1699 info->u.hyper_v.arg5);
1700 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1701 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1702 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1704 S390CrashReason_str(info->u.s390.reason),
1705 info->u.s390.psw_mask,
1706 info->u.s390.psw_addr);
1708 qapi_free_GuestPanicInformation(info);
1712 void qemu_system_reset_request(ShutdownCause reason)
1714 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1715 shutdown_requested = reason;
1717 reset_requested = reason;
1720 qemu_notify_event();
1723 static void qemu_system_suspend(void)
1726 notifier_list_notify(&suspend_notifiers, NULL);
1727 runstate_set(RUN_STATE_SUSPENDED);
1728 qapi_event_send_suspend();
1731 void qemu_system_suspend_request(void)
1733 if (runstate_check(RUN_STATE_SUSPENDED)) {
1736 suspend_requested = 1;
1738 qemu_notify_event();
1741 void qemu_register_suspend_notifier(Notifier *notifier)
1743 notifier_list_add(&suspend_notifiers, notifier);
1746 void qemu_system_wakeup_request(WakeupReason reason)
1748 trace_system_wakeup_request(reason);
1750 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1753 if (!(wakeup_reason_mask & (1 << reason))) {
1756 runstate_set(RUN_STATE_RUNNING);
1757 wakeup_reason = reason;
1758 qemu_notify_event();
1761 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1764 wakeup_reason_mask |= (1 << reason);
1766 wakeup_reason_mask &= ~(1 << reason);
1770 void qemu_register_wakeup_notifier(Notifier *notifier)
1772 notifier_list_add(&wakeup_notifiers, notifier);
1775 void qemu_system_killed(int signal, pid_t pid)
1777 shutdown_signal = signal;
1781 /* Cannot call qemu_system_shutdown_request directly because
1782 * we are in a signal handler.
1784 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1785 qemu_notify_event();
1788 void qemu_system_shutdown_request(ShutdownCause reason)
1790 trace_qemu_system_shutdown_request(reason);
1791 replay_shutdown_request(reason);
1792 shutdown_requested = reason;
1793 qemu_notify_event();
1796 static void qemu_system_powerdown(void)
1798 qapi_event_send_powerdown();
1799 notifier_list_notify(&powerdown_notifiers, NULL);
1802 void qemu_system_powerdown_request(void)
1804 trace_qemu_system_powerdown_request();
1805 powerdown_requested = 1;
1806 qemu_notify_event();
1809 void qemu_register_powerdown_notifier(Notifier *notifier)
1811 notifier_list_add(&powerdown_notifiers, notifier);
1814 void qemu_system_debug_request(void)
1816 debug_requested = 1;
1817 qemu_notify_event();
1820 static bool main_loop_should_exit(void)
1823 ShutdownCause request;
1825 if (preconfig_exit_requested) {
1826 if (runstate_check(RUN_STATE_PRECONFIG)) {
1827 runstate_set(RUN_STATE_PRELAUNCH);
1829 preconfig_exit_requested = false;
1832 if (qemu_debug_requested()) {
1833 vm_stop(RUN_STATE_DEBUG);
1835 if (qemu_suspend_requested()) {
1836 qemu_system_suspend();
1838 request = qemu_shutdown_requested();
1841 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1843 vm_stop(RUN_STATE_SHUTDOWN);
1848 request = qemu_reset_requested();
1851 qemu_system_reset(request);
1853 if (!runstate_check(RUN_STATE_RUNNING) &&
1854 !runstate_check(RUN_STATE_INMIGRATE)) {
1855 runstate_set(RUN_STATE_PRELAUNCH);
1858 if (qemu_wakeup_requested()) {
1860 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1861 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1862 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1864 qapi_event_send_wakeup();
1866 if (qemu_powerdown_requested()) {
1867 qemu_system_powerdown();
1869 if (qemu_vmstop_requested(&r)) {
1875 static void main_loop(void)
1877 #ifdef CONFIG_PROFILER
1880 while (!main_loop_should_exit()) {
1881 #ifdef CONFIG_PROFILER
1882 ti = profile_getclock();
1884 main_loop_wait(false);
1885 #ifdef CONFIG_PROFILER
1886 dev_time += profile_getclock() - ti;
1891 static void version(void)
1893 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1894 QEMU_COPYRIGHT "\n");
1897 static void help(int exitcode)
1900 printf("usage: %s [options] [disk_image]\n\n"
1901 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1902 error_get_progname());
1904 #define QEMU_OPTIONS_GENERATE_HELP
1905 #include "qemu-options-wrapper.h"
1907 printf("\nDuring emulation, the following keys are useful:\n"
1908 "ctrl-alt-f toggle full screen\n"
1909 "ctrl-alt-n switch to virtual console 'n'\n"
1910 "ctrl-alt toggle mouse and keyboard grab\n"
1912 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1914 QEMU_HELP_BOTTOM "\n");
1919 #define HAS_ARG 0x0001
1921 typedef struct QEMUOption {
1928 static const QEMUOption qemu_options[] = {
1929 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1930 #define QEMU_OPTIONS_GENERATE_OPTIONS
1931 #include "qemu-options-wrapper.h"
1935 typedef struct VGAInterfaceInfo {
1936 const char *opt_name; /* option name */
1937 const char *name; /* human-readable name */
1938 /* Class names indicating that support is available.
1939 * If no class is specified, the interface is always available */
1940 const char *class_names[2];
1943 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1949 .name = "standard VGA",
1950 .class_names = { "VGA", "isa-vga" },
1953 .opt_name = "cirrus",
1954 .name = "Cirrus VGA",
1955 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1958 .opt_name = "vmware",
1959 .name = "VMWare SVGA",
1960 .class_names = { "vmware-svga" },
1963 .opt_name = "virtio",
1964 .name = "Virtio VGA",
1965 .class_names = { "virtio-vga" },
1970 .class_names = { "qxl-vga" },
1974 .name = "TCX framebuffer",
1975 .class_names = { "SUNW,tcx" },
1979 .name = "CG3 framebuffer",
1980 .class_names = { "cgthree" },
1983 .opt_name = "xenfb",
1987 static bool vga_interface_available(VGAInterfaceType t)
1989 VGAInterfaceInfo *ti = &vga_interfaces[t];
1991 assert(t < VGA_TYPE_MAX);
1992 return !ti->class_names[0] ||
1993 object_class_by_name(ti->class_names[0]) ||
1994 object_class_by_name(ti->class_names[1]);
1997 static void select_vgahw(const char *p)
2002 assert(vga_interface_type == VGA_NONE);
2003 for (t = 0; t < VGA_TYPE_MAX; t++) {
2004 VGAInterfaceInfo *ti = &vga_interfaces[t];
2005 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2006 if (!vga_interface_available(t)) {
2007 error_report("%s not available", ti->name);
2010 vga_interface_type = t;
2014 if (t == VGA_TYPE_MAX) {
2016 error_report("unknown vga type: %s", p);
2020 const char *nextopt;
2022 if (strstart(opts, ",retrace=", &nextopt)) {
2024 if (strstart(opts, "dumb", &nextopt))
2025 vga_retrace_method = VGA_RETRACE_DUMB;
2026 else if (strstart(opts, "precise", &nextopt))
2027 vga_retrace_method = VGA_RETRACE_PRECISE;
2028 else goto invalid_vga;
2029 } else goto invalid_vga;
2034 static void parse_display_qapi(const char *optarg)
2036 DisplayOptions *opts;
2039 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2041 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2042 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2044 qapi_free_DisplayOptions(opts);
2048 static void parse_display(const char *p)
2052 if (strstart(p, "sdl", &opts)) {
2054 * sdl DisplayType needs hand-crafted parser instead of
2055 * parse_display_qapi() due to some options not in
2056 * DisplayOptions, specifically:
2058 * Already deprecated.
2059 * - ctrl_grab + alt_grab
2060 * Not clear yet what happens to them long-term. Should
2061 * replaced by something better or deprecated and dropped.
2063 dpy.type = DISPLAY_TYPE_SDL;
2065 const char *nextopt;
2067 if (strstart(opts, ",frame=", &nextopt)) {
2068 g_printerr("The frame= sdl option is deprecated, and will be\n"
2069 "removed in a future release.\n");
2071 if (strstart(opts, "on", &nextopt)) {
2073 } else if (strstart(opts, "off", &nextopt)) {
2076 goto invalid_sdl_args;
2078 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2080 if (strstart(opts, "on", &nextopt)) {
2082 } else if (strstart(opts, "off", &nextopt)) {
2085 goto invalid_sdl_args;
2087 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2089 if (strstart(opts, "on", &nextopt)) {
2091 } else if (strstart(opts, "off", &nextopt)) {
2094 goto invalid_sdl_args;
2096 } else if (strstart(opts, ",window_close=", &nextopt)) {
2098 dpy.has_window_close = true;
2099 if (strstart(opts, "on", &nextopt)) {
2100 dpy.window_close = true;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 dpy.window_close = false;
2104 goto invalid_sdl_args;
2106 } else if (strstart(opts, ",gl=", &nextopt)) {
2109 if (strstart(opts, "on", &nextopt)) {
2110 dpy.gl = DISPLAYGL_MODE_ON;
2111 } else if (strstart(opts, "core", &nextopt)) {
2112 dpy.gl = DISPLAYGL_MODE_CORE;
2113 } else if (strstart(opts, "es", &nextopt)) {
2114 dpy.gl = DISPLAYGL_MODE_ES;
2115 } else if (strstart(opts, "off", &nextopt)) {
2116 dpy.gl = DISPLAYGL_MODE_OFF;
2118 goto invalid_sdl_args;
2122 error_report("invalid SDL option string");
2127 } else if (strstart(p, "vnc", &opts)) {
2129 * vnc isn't a (local) DisplayType but a protocol for remote
2133 vnc_parse(opts + 1, &error_fatal);
2135 error_report("VNC requires a display argument vnc=<display>");
2139 parse_display_qapi(p);
2143 char *qemu_find_file(int type, const char *name)
2149 /* Try the name as a straight path first */
2150 if (access(name, R_OK) == 0) {
2151 trace_load_file(name, name);
2152 return g_strdup(name);
2156 case QEMU_FILE_TYPE_BIOS:
2159 case QEMU_FILE_TYPE_KEYMAP:
2160 subdir = "keymaps/";
2166 for (i = 0; i < data_dir_idx; i++) {
2167 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2168 if (access(buf, R_OK) == 0) {
2169 trace_load_file(name, buf);
2177 static void qemu_add_data_dir(const char *path)
2184 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2187 for (i = 0; i < data_dir_idx; i++) {
2188 if (strcmp(data_dir[i], path) == 0) {
2189 return; /* duplicate */
2192 data_dir[data_dir_idx++] = g_strdup(path);
2195 static inline bool nonempty_str(const char *str)
2200 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2204 const char *name, *file, *str;
2205 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2207 if (fw_cfg == NULL) {
2208 error_setg(errp, "fw_cfg device not available");
2211 name = qemu_opt_get(opts, "name");
2212 file = qemu_opt_get(opts, "file");
2213 str = qemu_opt_get(opts, "string");
2215 /* we need name and either a file or the content string */
2216 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2217 error_setg(errp, "invalid argument(s)");
2220 if (nonempty_str(file) && nonempty_str(str)) {
2221 error_setg(errp, "file and string are mutually exclusive");
2224 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2225 error_setg(errp, "name too long (max. %d char)",
2226 FW_CFG_MAX_FILE_PATH - 1);
2229 if (strncmp(name, "opt/", 4) != 0) {
2230 warn_report("externally provided fw_cfg item names "
2231 "should be prefixed with \"opt/\"");
2233 if (nonempty_str(str)) {
2234 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2235 buf = g_memdup(str, size);
2237 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2238 error_setg(errp, "can't load %s", file);
2242 /* For legacy, keep user files in a specific global order. */
2243 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2244 fw_cfg_add_file(fw_cfg, name, buf, size);
2245 fw_cfg_reset_order_override(fw_cfg);
2249 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2251 return qdev_device_help(opts);
2254 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2258 dev = qdev_device_add(opts, errp);
2262 object_unref(OBJECT(dev));
2266 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2268 Error *local_err = NULL;
2270 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2272 error_propagate(errp, local_err);
2280 #ifdef CONFIG_VIRTFS
2281 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2283 return qemu_fsdev_add(opts, errp);
2287 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2290 const char *chardev;
2294 mode = qemu_opt_get(opts, "mode");
2298 if (strcmp(mode, "readline") == 0) {
2299 flags = MONITOR_USE_READLINE;
2300 } else if (strcmp(mode, "control") == 0) {
2301 flags = MONITOR_USE_CONTROL;
2303 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2307 if (qemu_opt_get_bool(opts, "pretty", 0))
2308 flags |= MONITOR_USE_PRETTY;
2310 /* OOB is off by default */
2311 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2312 flags |= MONITOR_USE_OOB;
2315 chardev = qemu_opt_get(opts, "chardev");
2316 chr = qemu_chr_find(chardev);
2318 error_setg(errp, "chardev \"%s\" not found", chardev);
2322 monitor_init(chr, flags);
2326 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2328 static int monitor_device_index = 0;
2333 if (strstart(optarg, "chardev:", &p)) {
2334 snprintf(label, sizeof(label), "%s", p);
2336 snprintf(label, sizeof(label), "compat_monitor%d",
2337 monitor_device_index);
2338 opts = qemu_chr_parse_compat(label, optarg, true);
2340 error_report("parse error: %s", optarg);
2345 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2346 qemu_opt_set(opts, "mode", mode, &error_abort);
2347 qemu_opt_set(opts, "chardev", label, &error_abort);
2348 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2349 monitor_device_index++;
2352 struct device_config {
2354 DEV_USB, /* -usbdevice */
2356 DEV_SERIAL, /* -serial */
2357 DEV_PARALLEL, /* -parallel */
2358 DEV_VIRTCON, /* -virtioconsole */
2359 DEV_DEBUGCON, /* -debugcon */
2360 DEV_GDB, /* -gdb, -s */
2361 DEV_SCLP, /* s390 sclp */
2363 const char *cmdline;
2365 QTAILQ_ENTRY(device_config) next;
2368 static QTAILQ_HEAD(, device_config) device_configs =
2369 QTAILQ_HEAD_INITIALIZER(device_configs);
2371 static void add_device_config(int type, const char *cmdline)
2373 struct device_config *conf;
2375 conf = g_malloc0(sizeof(*conf));
2377 conf->cmdline = cmdline;
2378 loc_save(&conf->loc);
2379 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2382 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2384 struct device_config *conf;
2387 QTAILQ_FOREACH(conf, &device_configs, next) {
2388 if (conf->type != type)
2390 loc_push_restore(&conf->loc);
2391 rc = func(conf->cmdline);
2392 loc_pop(&conf->loc);
2400 static int serial_parse(const char *devname)
2402 int index = num_serial_hds;
2405 if (strcmp(devname, "none") == 0)
2407 snprintf(label, sizeof(label), "serial%d", index);
2408 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2410 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2411 if (!serial_hds[index]) {
2412 error_report("could not connect serial device"
2413 " to character backend '%s'", devname);
2420 Chardev *serial_hd(int i)
2423 if (i < num_serial_hds) {
2424 return serial_hds[i];
2429 int serial_max_hds(void)
2431 return num_serial_hds;
2434 static int parallel_parse(const char *devname)
2436 static int index = 0;
2439 if (strcmp(devname, "none") == 0)
2441 if (index == MAX_PARALLEL_PORTS) {
2442 error_report("too many parallel ports");
2445 snprintf(label, sizeof(label), "parallel%d", index);
2446 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2447 if (!parallel_hds[index]) {
2448 error_report("could not connect parallel device"
2449 " to character backend '%s'", devname);
2456 static int virtcon_parse(const char *devname)
2458 QemuOptsList *device = qemu_find_opts("device");
2459 static int index = 0;
2461 QemuOpts *bus_opts, *dev_opts;
2463 if (strcmp(devname, "none") == 0)
2465 if (index == MAX_VIRTIO_CONSOLES) {
2466 error_report("too many virtio consoles");
2470 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2471 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2473 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2474 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2476 snprintf(label, sizeof(label), "virtcon%d", index);
2477 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2478 if (!virtcon_hds[index]) {
2479 error_report("could not connect virtio console"
2480 " to character backend '%s'", devname);
2483 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2489 static int debugcon_parse(const char *devname)
2493 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2494 error_report("invalid character backend '%s'", devname);
2497 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2499 error_report("already have a debugcon device");
2502 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2503 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2507 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2509 const MachineClass *mc1 = a, *mc2 = b;
2512 if (mc1->family == NULL) {
2513 if (mc2->family == NULL) {
2514 /* Compare standalone machine types against each other; they sort
2515 * in increasing order.
2517 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2518 object_class_get_name(OBJECT_CLASS(mc2)));
2521 /* Standalone machine types sort after families. */
2525 if (mc2->family == NULL) {
2526 /* Families sort before standalone machine types. */
2530 /* Families sort between each other alphabetically increasingly. */
2531 res = strcmp(mc1->family, mc2->family);
2536 /* Within the same family, machine types sort in decreasing order. */
2537 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2538 object_class_get_name(OBJECT_CLASS(mc1)));
2541 static MachineClass *machine_parse(const char *name)
2543 MachineClass *mc = NULL;
2544 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2547 mc = find_machine(name);
2550 g_slist_free(machines);
2553 if (name && !is_help_option(name)) {
2554 error_report("unsupported machine type");
2555 error_printf("Use -machine help to list supported machines\n");
2557 printf("Supported machines are:\n");
2558 machines = g_slist_sort(machines, machine_class_cmp);
2559 for (el = machines; el; el = el->next) {
2560 MachineClass *mc = el->data;
2562 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2564 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2565 mc->is_default ? " (default)" : "",
2566 mc->deprecation_reason ? " (deprecated)" : "");
2570 g_slist_free(machines);
2571 exit(!name || !is_help_option(name));
2574 void qemu_add_exit_notifier(Notifier *notify)
2576 notifier_list_add(&exit_notifiers, notify);
2579 void qemu_remove_exit_notifier(Notifier *notify)
2581 notifier_remove(notify);
2584 static void qemu_run_exit_notifiers(void)
2586 notifier_list_notify(&exit_notifiers, NULL);
2589 static const char *pid_file;
2590 static Notifier qemu_unlink_pidfile_notifier;
2592 static void qemu_unlink_pidfile(Notifier *n, void *data)
2599 bool machine_init_done;
2601 void qemu_add_machine_init_done_notifier(Notifier *notify)
2603 notifier_list_add(&machine_init_done_notifiers, notify);
2604 if (machine_init_done) {
2605 notify->notify(notify, NULL);
2609 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2611 notifier_remove(notify);
2614 static void qemu_run_machine_init_done_notifiers(void)
2616 machine_init_done = true;
2617 notifier_list_notify(&machine_init_done_notifiers, NULL);
2620 static const QEMUOption *lookup_opt(int argc, char **argv,
2621 const char **poptarg, int *poptind)
2623 const QEMUOption *popt;
2624 int optind = *poptind;
2625 char *r = argv[optind];
2628 loc_set_cmdline(argv, optind, 1);
2630 /* Treat --foo the same as -foo. */
2633 popt = qemu_options;
2636 error_report("invalid option");
2639 if (!strcmp(popt->name, r + 1))
2643 if (popt->flags & HAS_ARG) {
2644 if (optind >= argc) {
2645 error_report("requires an argument");
2648 optarg = argv[optind++];
2649 loc_set_cmdline(argv, optind - 2, 2);
2660 static MachineClass *select_machine(void)
2662 MachineClass *machine_class = find_default_machine();
2667 loc_push_none(&loc);
2669 opts = qemu_get_machine_opts();
2670 qemu_opts_loc_restore(opts);
2672 optarg = qemu_opt_get(opts, "type");
2674 machine_class = machine_parse(optarg);
2677 if (!machine_class) {
2678 error_report("No machine specified, and there is no default");
2679 error_printf("Use -machine help to list supported machines\n");
2684 return machine_class;
2687 static int machine_set_property(void *opaque,
2688 const char *name, const char *value,
2691 Object *obj = OBJECT(opaque);
2692 Error *local_err = NULL;
2695 if (strcmp(name, "type") == 0) {
2699 qom_name = g_strdup(name);
2700 for (p = qom_name; *p; p++) {
2706 object_property_parse(obj, value, qom_name, &local_err);
2710 error_propagate(errp, local_err);
2719 * Initial object creation happens before all other
2720 * QEMU data types are created. The majority of objects
2721 * can be created at this point. The rng-egd object
2722 * cannot be created here, as it depends on the chardev
2725 static bool object_create_initial(const char *type, QemuOpts *opts)
2729 if (is_help_option(type)) {
2732 printf("List of user creatable objects:\n");
2733 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2734 for (l = list; l != NULL; l = l->next) {
2735 ObjectClass *oc = OBJECT_CLASS(l->data);
2736 printf("%s\n", object_class_get_name(oc));
2742 klass = object_class_by_name(type);
2743 if (klass && qemu_opt_has_help_opt(opts)) {
2744 ObjectPropertyIterator iter;
2745 ObjectProperty *prop;
2746 GPtrArray *array = g_ptr_array_new();
2749 object_class_property_iter_init(&iter, klass);
2750 while ((prop = object_property_iter_next(&iter))) {
2757 str = g_string_new(NULL);
2758 g_string_append_printf(str, "%s.%s=%s", type,
2759 prop->name, prop->type);
2760 if (prop->description) {
2761 g_string_append_printf(str, " - %s", prop->description);
2763 g_ptr_array_add(array, g_string_free(str, false));
2765 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2766 for (i = 0; i < array->len; i++) {
2767 printf("%s\n", (char *)array->pdata[i]);
2769 g_ptr_array_set_free_func(array, g_free);
2770 g_ptr_array_free(array, true);
2774 if (g_str_equal(type, "rng-egd") ||
2775 g_str_has_prefix(type, "pr-manager-")) {
2779 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2780 if (g_str_equal(type, "cryptodev-vhost-user")) {
2786 * return false for concrete netfilters since
2787 * they depend on netdevs already existing
2789 if (g_str_equal(type, "filter-buffer") ||
2790 g_str_equal(type, "filter-dump") ||
2791 g_str_equal(type, "filter-mirror") ||
2792 g_str_equal(type, "filter-redirector") ||
2793 g_str_equal(type, "colo-compare") ||
2794 g_str_equal(type, "filter-rewriter") ||
2795 g_str_equal(type, "filter-replay")) {
2799 /* Memory allocation by backends needs to be done
2800 * after configure_accelerator() (due to the tcg_enabled()
2801 * checks at memory_region_init_*()).
2803 * Also, allocation of large amounts of memory may delay
2804 * chardev initialization for too long, and trigger timeouts
2805 * on software that waits for a monitor socket to be created
2808 if (g_str_has_prefix(type, "memory-backend-")) {
2817 * The remainder of object creation happens after the
2818 * creation of chardev, fsdev, net clients and device data types.
2820 static bool object_create_delayed(const char *type, QemuOpts *opts)
2822 return !object_create_initial(type, opts);
2826 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2830 const char *mem_str;
2831 const ram_addr_t default_ram_size = mc->default_ram_size;
2832 QemuOpts *opts = qemu_find_opts_singleton("memory");
2835 loc_push_none(&loc);
2836 qemu_opts_loc_restore(opts);
2839 mem_str = qemu_opt_get(opts, "size");
2842 error_report("missing 'size' option value");
2846 sz = qemu_opt_get_size(opts, "size", ram_size);
2848 /* Fix up legacy suffix-less format */
2849 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2850 uint64_t overflow_check = sz;
2853 if (sz / MiB != overflow_check) {
2854 error_report("too large 'size' option value");
2860 /* backward compatibility behaviour for case "-m 0" */
2862 sz = default_ram_size;
2865 sz = QEMU_ALIGN_UP(sz, 8192);
2867 if (ram_size != sz) {
2868 error_report("ram size too large");
2872 /* store value for the future use */
2873 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2874 *maxram_size = ram_size;
2876 if (qemu_opt_get(opts, "maxmem")) {
2879 sz = qemu_opt_get_size(opts, "maxmem", 0);
2880 slots = qemu_opt_get_number(opts, "slots", 0);
2881 if (sz < ram_size) {
2882 error_report("invalid value of -m option maxmem: "
2883 "maximum memory size (0x%" PRIx64 ") must be at least "
2884 "the initial memory size (0x" RAM_ADDR_FMT ")",
2887 } else if (slots && sz == ram_size) {
2888 error_report("invalid value of -m option maxmem: "
2889 "memory slots were specified but maximum memory size "
2890 "(0x%" PRIx64 ") is equal to the initial memory size "
2891 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2897 } else if (qemu_opt_get(opts, "slots")) {
2898 error_report("invalid -m option value: missing 'maxmem' option");
2905 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2909 g = g_malloc0(sizeof(*g));
2910 g->driver = qemu_opt_get(opts, "driver");
2911 g->property = qemu_opt_get(opts, "property");
2912 g->value = qemu_opt_get(opts, "value");
2913 g->user_provided = true;
2914 g->errp = &error_fatal;
2915 qdev_prop_register_global(g);
2919 static int qemu_read_default_config_file(void)
2923 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2924 if (ret < 0 && ret != -ENOENT) {
2931 static void user_register_global_props(void)
2933 qemu_opts_foreach(qemu_find_opts("global"),
2934 global_init_func, NULL, NULL);
2938 * Note: we should see that these properties are actually having a
2939 * priority: accel < machine < user. This means e.g. when user
2940 * specifies something in "-global", it'll always be used with highest
2941 * priority than either machine/accelerator compat properties.
2943 static void register_global_properties(MachineState *ms)
2945 accel_register_compat_props(ms->accelerator);
2946 machine_register_compat_props(ms);
2947 user_register_global_props();
2950 int main(int argc, char **argv, char **envp)
2953 int snapshot, linux_boot;
2954 const char *initrd_filename;
2955 const char *kernel_filename, *kernel_cmdline;
2956 const char *boot_order = NULL;
2957 const char *boot_once = NULL;
2959 QemuOpts *opts, *machine_opts;
2960 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2961 QemuOptsList *olist;
2964 const char *loadvm = NULL;
2965 MachineClass *machine_class;
2966 const char *cpu_model;
2967 const char *vga_model = NULL;
2968 const char *qtest_chrdev = NULL;
2969 const char *qtest_log = NULL;
2970 const char *incoming = NULL;
2971 bool userconfig = true;
2972 bool nographic = false;
2973 int display_remote = 0;
2974 const char *log_mask = NULL;
2975 const char *log_file = NULL;
2976 char *trace_file = NULL;
2977 ram_addr_t maxram_size;
2978 uint64_t ram_slots = 0;
2979 FILE *vmstate_dump_file = NULL;
2980 Error *main_loop_err = NULL;
2982 bool list_data_dirs = false;
2984 typedef struct BlockdevOptions_queue {
2985 BlockdevOptions *bdo;
2987 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2988 } BlockdevOptions_queue;
2989 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2990 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2992 module_call_init(MODULE_INIT_TRACE);
2994 qemu_init_cpu_list();
2995 qemu_init_cpu_loop();
2997 qemu_mutex_lock_iothread();
2999 atexit(qemu_run_exit_notifiers);
3000 error_set_progname(argv[0]);
3001 qemu_init_exec_dir(argv[0]);
3003 module_call_init(MODULE_INIT_QOM);
3005 qemu_add_opts(&qemu_drive_opts);
3006 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3007 qemu_add_drive_opts(&qemu_common_drive_opts);
3008 qemu_add_drive_opts(&qemu_drive_opts);
3009 qemu_add_drive_opts(&bdrv_runtime_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_nic_opts);
3014 qemu_add_opts(&qemu_net_opts);
3015 qemu_add_opts(&qemu_rtc_opts);
3016 qemu_add_opts(&qemu_global_opts);
3017 qemu_add_opts(&qemu_mon_opts);
3018 qemu_add_opts(&qemu_trace_opts);
3019 qemu_add_opts(&qemu_option_rom_opts);
3020 qemu_add_opts(&qemu_machine_opts);
3021 qemu_add_opts(&qemu_accel_opts);
3022 qemu_add_opts(&qemu_mem_opts);
3023 qemu_add_opts(&qemu_smp_opts);
3024 qemu_add_opts(&qemu_boot_opts);
3025 qemu_add_opts(&qemu_add_fd_opts);
3026 qemu_add_opts(&qemu_object_opts);
3027 qemu_add_opts(&qemu_tpmdev_opts);
3028 qemu_add_opts(&qemu_realtime_opts);
3029 qemu_add_opts(&qemu_overcommit_opts);
3030 qemu_add_opts(&qemu_msg_opts);
3031 qemu_add_opts(&qemu_name_opts);
3032 qemu_add_opts(&qemu_numa_opts);
3033 qemu_add_opts(&qemu_icount_opts);
3034 qemu_add_opts(&qemu_semihosting_config_opts);
3035 qemu_add_opts(&qemu_fw_cfg_opts);
3036 module_call_init(MODULE_INIT_OPTS);
3039 postcopy_infrastructure_init();
3040 monitor_init_globals();
3042 if (qcrypto_init(&err) < 0) {
3043 error_reportf_err(err, "cannot initialize crypto: ");
3047 QLIST_INIT (&vm_change_state_head);
3048 os_setup_early_signal_handling();
3055 bdrv_init_with_whitelist();
3059 /* first pass of option parsing */
3061 while (optind < argc) {
3062 if (argv[optind][0] != '-') {
3066 const QEMUOption *popt;
3068 popt = lookup_opt(argc, argv, &optarg, &optind);
3069 switch (popt->index) {
3070 case QEMU_OPTION_nouserconfig:
3078 if (qemu_read_default_config_file() < 0) {
3083 /* second pass of option parsing */
3088 if (argv[optind][0] != '-') {
3089 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3091 const QEMUOption *popt;
3093 popt = lookup_opt(argc, argv, &optarg, &optind);
3094 if (!(popt->arch_mask & arch_type)) {
3095 error_report("Option not supported for this target");
3098 switch(popt->index) {
3099 case QEMU_OPTION_cpu:
3100 /* hw initialization will check this */
3103 case QEMU_OPTION_hda:
3104 case QEMU_OPTION_hdb:
3105 case QEMU_OPTION_hdc:
3106 case QEMU_OPTION_hdd:
3107 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3110 case QEMU_OPTION_blockdev:
3113 BlockdevOptions_queue *bdo;
3115 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3117 error_report_err(err);
3121 bdo = g_new(BlockdevOptions_queue, 1);
3122 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3125 loc_save(&bdo->loc);
3126 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3129 case QEMU_OPTION_drive:
3130 if (drive_def(optarg) == NULL) {
3134 case QEMU_OPTION_set:
3135 if (qemu_set_option(optarg) != 0)
3138 case QEMU_OPTION_global:
3139 if (qemu_global_option(optarg) != 0)
3142 case QEMU_OPTION_mtdblock:
3143 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3145 case QEMU_OPTION_sd:
3146 drive_add(IF_SD, -1, optarg, SD_OPTS);
3148 case QEMU_OPTION_pflash:
3149 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3151 case QEMU_OPTION_snapshot:
3154 case QEMU_OPTION_numa:
3155 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3161 case QEMU_OPTION_display:
3162 parse_display(optarg);
3164 case QEMU_OPTION_nographic:
3165 olist = qemu_find_opts("machine");
3166 qemu_opts_parse_noisily(olist, "graphics=off", false);
3168 dpy.type = DISPLAY_TYPE_NONE;
3170 case QEMU_OPTION_curses:
3171 #ifdef CONFIG_CURSES
3172 dpy.type = DISPLAY_TYPE_CURSES;
3174 error_report("curses support is disabled");
3178 case QEMU_OPTION_portrait:
3179 graphic_rotate = 90;
3181 case QEMU_OPTION_rotate:
3182 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3183 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3184 graphic_rotate != 180 && graphic_rotate != 270) {
3185 error_report("only 90, 180, 270 deg rotation is available");
3189 case QEMU_OPTION_kernel:
3190 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3193 case QEMU_OPTION_initrd:
3194 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3197 case QEMU_OPTION_append:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3201 case QEMU_OPTION_dtb:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3205 case QEMU_OPTION_cdrom:
3206 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3208 case QEMU_OPTION_boot:
3209 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3215 case QEMU_OPTION_fda:
3216 case QEMU_OPTION_fdb:
3217 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3220 case QEMU_OPTION_no_fd_bootchk:
3223 case QEMU_OPTION_netdev:
3225 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3229 case QEMU_OPTION_nic:
3231 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3235 case QEMU_OPTION_net:
3237 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3241 #ifdef CONFIG_LIBISCSI
3242 case QEMU_OPTION_iscsi:
3243 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3250 case QEMU_OPTION_bt:
3251 add_device_config(DEV_BT, optarg);
3253 case QEMU_OPTION_audio_help:
3257 case QEMU_OPTION_soundhw:
3258 select_soundhw (optarg);
3263 case QEMU_OPTION_version:
3268 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3275 case QEMU_OPTION_tpmdev:
3276 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3281 case QEMU_OPTION_mempath:
3284 case QEMU_OPTION_mem_prealloc:
3293 case QEMU_OPTION_DFILTER:
3294 qemu_set_dfilter_ranges(optarg, &error_fatal);
3297 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3299 case QEMU_OPTION_gdb:
3300 add_device_config(DEV_GDB, optarg);
3303 if (is_help_option(optarg)) {
3304 list_data_dirs = true;
3306 qemu_add_data_dir(optarg);
3309 case QEMU_OPTION_bios:
3310 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3313 case QEMU_OPTION_singlestep:
3320 keyboard_layout = optarg;
3322 case QEMU_OPTION_vga:
3331 w = strtol(p, (char **)&p, 10);
3334 error_report("invalid resolution or depth");
3340 h = strtol(p, (char **)&p, 10);
3345 depth = strtol(p, (char **)&p, 10);
3346 if (depth != 8 && depth != 15 && depth != 16 &&
3347 depth != 24 && depth != 32)
3349 } else if (*p == '\0') {
3350 depth = graphic_depth;
3357 graphic_depth = depth;
3360 case QEMU_OPTION_echr:
3363 term_escape_char = strtol(optarg, &r, 0);
3365 printf("Bad argument to echr\n");
3368 case QEMU_OPTION_monitor:
3369 default_monitor = 0;
3370 if (strncmp(optarg, "none", 4)) {
3371 monitor_parse(optarg, "readline", false);
3374 case QEMU_OPTION_qmp:
3375 monitor_parse(optarg, "control", false);
3376 default_monitor = 0;
3378 case QEMU_OPTION_qmp_pretty:
3379 monitor_parse(optarg, "control", true);
3380 default_monitor = 0;
3382 case QEMU_OPTION_mon:
3383 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3388 default_monitor = 0;
3390 case QEMU_OPTION_chardev:
3391 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3397 case QEMU_OPTION_fsdev:
3398 olist = qemu_find_opts("fsdev");
3400 error_report("fsdev support is disabled");
3403 opts = qemu_opts_parse_noisily(olist, optarg, true);
3408 case QEMU_OPTION_virtfs: {
3411 const char *writeout, *sock_fd, *socket, *path, *security_model;
3413 olist = qemu_find_opts("virtfs");
3415 error_report("virtfs support is disabled");
3418 opts = qemu_opts_parse_noisily(olist, optarg, true);
3423 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3424 qemu_opt_get(opts, "mount_tag") == NULL) {
3425 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3428 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3429 qemu_opts_id(opts) ?:
3430 qemu_opt_get(opts, "mount_tag"),
3433 error_report("duplicate or invalid fsdev id: %s",
3434 qemu_opt_get(opts, "mount_tag"));
3438 writeout = qemu_opt_get(opts, "writeout");
3440 #ifdef CONFIG_SYNC_FILE_RANGE
3441 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3443 error_report("writeout=immediate not supported "
3444 "on this platform");
3448 qemu_opt_set(fsdev, "fsdriver",
3449 qemu_opt_get(opts, "fsdriver"), &error_abort);
3450 path = qemu_opt_get(opts, "path");
3452 qemu_opt_set(fsdev, "path", path, &error_abort);
3454 security_model = qemu_opt_get(opts, "security_model");
3455 if (security_model) {
3456 qemu_opt_set(fsdev, "security_model", security_model,
3459 socket = qemu_opt_get(opts, "socket");
3461 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3463 sock_fd = qemu_opt_get(opts, "sock_fd");
3465 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3468 qemu_opt_set_bool(fsdev, "readonly",
3469 qemu_opt_get_bool(opts, "readonly", 0),
3471 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3473 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3474 qemu_opt_set(device, "fsdev",
3475 qemu_opts_id(fsdev), &error_abort);
3476 qemu_opt_set(device, "mount_tag",
3477 qemu_opt_get(opts, "mount_tag"), &error_abort);
3480 case QEMU_OPTION_virtfs_synth: {
3484 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3487 error_report("duplicate option: %s", "virtfs_synth");
3490 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3492 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3494 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3495 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3496 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3499 case QEMU_OPTION_serial:
3500 add_device_config(DEV_SERIAL, optarg);
3502 if (strncmp(optarg, "mon:", 4) == 0) {
3503 default_monitor = 0;
3506 case QEMU_OPTION_watchdog:
3508 error_report("only one watchdog option may be given");
3513 case QEMU_OPTION_watchdog_action:
3514 if (select_watchdog_action(optarg) == -1) {
3515 error_report("unknown -watchdog-action parameter");
3519 case QEMU_OPTION_virtiocon:
3520 warn_report("This option is deprecated, "
3521 "use '-device virtconsole' instead");
3522 add_device_config(DEV_VIRTCON, optarg);
3523 default_virtcon = 0;
3524 if (strncmp(optarg, "mon:", 4) == 0) {
3525 default_monitor = 0;
3528 case QEMU_OPTION_parallel:
3529 add_device_config(DEV_PARALLEL, optarg);
3530 default_parallel = 0;
3531 if (strncmp(optarg, "mon:", 4) == 0) {
3532 default_monitor = 0;
3535 case QEMU_OPTION_debugcon:
3536 add_device_config(DEV_DEBUGCON, optarg);
3538 case QEMU_OPTION_loadvm:
3541 case QEMU_OPTION_full_screen:
3542 dpy.has_full_screen = true;
3543 dpy.full_screen = true;
3545 case QEMU_OPTION_no_frame:
3546 g_printerr("The -no-frame switch is deprecated, and will be\n"
3547 "removed in a future release.\n");
3550 case QEMU_OPTION_alt_grab:
3553 case QEMU_OPTION_ctrl_grab:
3556 case QEMU_OPTION_no_quit:
3557 dpy.has_window_close = true;
3558 dpy.window_close = false;
3560 case QEMU_OPTION_sdl:
3562 dpy.type = DISPLAY_TYPE_SDL;
3565 error_report("SDL support is disabled");
3568 case QEMU_OPTION_pidfile:
3571 case QEMU_OPTION_win2k_hack:
3572 win2k_install_hack = 1;
3574 case QEMU_OPTION_acpitable:
3575 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3580 acpi_table_add(opts, &error_fatal);
3582 case QEMU_OPTION_smbios:
3583 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3588 smbios_entry_add(opts, &error_fatal);
3590 case QEMU_OPTION_fwcfg:
3591 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3597 case QEMU_OPTION_preconfig:
3598 preconfig_exit_requested = false;
3600 case QEMU_OPTION_enable_kvm:
3601 olist = qemu_find_opts("machine");
3602 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3604 case QEMU_OPTION_enable_hax:
3605 warn_report("Option is deprecated, use '-accel hax' instead");
3606 olist = qemu_find_opts("machine");
3607 qemu_opts_parse_noisily(olist, "accel=hax", false);
3610 case QEMU_OPTION_machine:
3611 olist = qemu_find_opts("machine");
3612 opts = qemu_opts_parse_noisily(olist, optarg, true);
3617 case QEMU_OPTION_no_kvm:
3618 olist = qemu_find_opts("machine");
3619 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3621 case QEMU_OPTION_accel:
3622 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3624 optarg = qemu_opt_get(accel_opts, "accel");
3625 if (!optarg || is_help_option(optarg)) {
3626 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3629 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3630 false, &error_abort);
3631 qemu_opt_set(opts, "accel", optarg, &error_abort);
3633 case QEMU_OPTION_usb:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse_noisily(olist, "usb=on", false);
3637 case QEMU_OPTION_usbdevice:
3638 error_report("'-usbdevice' is deprecated, please use "
3639 "'-device usb-...' instead");
3640 olist = qemu_find_opts("machine");
3641 qemu_opts_parse_noisily(olist, "usb=on", false);
3642 add_device_config(DEV_USB, optarg);
3644 case QEMU_OPTION_device:
3645 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3650 case QEMU_OPTION_smp:
3651 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3656 case QEMU_OPTION_vnc:
3657 vnc_parse(optarg, &error_fatal);
3659 case QEMU_OPTION_no_acpi:
3662 case QEMU_OPTION_no_hpet:
3665 case QEMU_OPTION_no_reboot:
3668 case QEMU_OPTION_no_shutdown:
3671 case QEMU_OPTION_show_cursor:
3674 case QEMU_OPTION_uuid:
3675 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3676 error_report("failed to parse UUID string: wrong format");
3679 qemu_uuid_set = true;
3681 case QEMU_OPTION_option_rom:
3682 if (nb_option_roms >= MAX_OPTION_ROMS) {
3683 error_report("too many option ROMs");
3686 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3691 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3692 option_rom[nb_option_roms].bootindex =
3693 qemu_opt_get_number(opts, "bootindex", -1);
3694 if (!option_rom[nb_option_roms].name) {
3695 error_report("Option ROM file is not specified");
3700 case QEMU_OPTION_semihosting:
3701 semihosting.enabled = true;
3702 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3704 case QEMU_OPTION_semihosting_config:
3705 semihosting.enabled = true;
3706 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3709 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3711 const char *target = qemu_opt_get(opts, "target");
3712 if (target != NULL) {
3713 if (strcmp("native", target) == 0) {
3714 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3715 } else if (strcmp("gdb", target) == 0) {
3716 semihosting.target = SEMIHOSTING_TARGET_GDB;
3717 } else if (strcmp("auto", target) == 0) {
3718 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3720 error_report("unsupported semihosting-config %s",
3725 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3727 /* Set semihosting argument count and vector */
3728 qemu_opt_foreach(opts, add_semihosting_arg,
3729 &semihosting, NULL);
3731 error_report("unsupported semihosting-config %s", optarg);
3735 case QEMU_OPTION_name:
3736 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3742 case QEMU_OPTION_prom_env:
3743 if (nb_prom_envs >= MAX_PROM_ENVS) {
3744 error_report("too many prom variables");
3747 prom_envs[nb_prom_envs] = optarg;
3750 case QEMU_OPTION_old_param:
3753 case QEMU_OPTION_clock:
3754 /* Clock options no longer exist. Keep this option for
3755 * backward compatibility.
3757 warn_report("This option is ignored and will be removed soon");
3759 case QEMU_OPTION_rtc:
3760 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3766 case QEMU_OPTION_tb_size:
3768 error_report("TCG is disabled");
3771 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3772 error_report("Invalid argument to -tb-size");
3776 case QEMU_OPTION_icount:
3777 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3783 case QEMU_OPTION_incoming:
3785 runstate_set(RUN_STATE_INMIGRATE);
3789 case QEMU_OPTION_only_migratable:
3791 * TODO: we can remove this option one day, and we
3794 * "-global migration.only-migratable=true"
3796 qemu_global_option("migration.only-migratable=true");
3798 case QEMU_OPTION_nodefaults:
3801 case QEMU_OPTION_xen_domid:
3802 if (!(xen_available())) {
3803 error_report("Option not supported for this target");
3806 xen_domid = atoi(optarg);
3808 case QEMU_OPTION_xen_create:
3809 if (!(xen_available())) {
3810 error_report("Option not supported for this target");
3813 xen_mode = XEN_CREATE;
3815 case QEMU_OPTION_xen_attach:
3816 if (!(xen_available())) {
3817 error_report("Option not supported for this target");
3820 xen_mode = XEN_ATTACH;
3822 case QEMU_OPTION_xen_domid_restrict:
3823 if (!(xen_available())) {
3824 error_report("Option not supported for this target");
3827 xen_domid_restrict = true;
3829 case QEMU_OPTION_trace:
3831 trace_file = trace_opt_parse(optarg);
3833 case QEMU_OPTION_readconfig:
3835 int ret = qemu_read_config_file(optarg);
3837 error_report("read config %s: %s", optarg,
3843 case QEMU_OPTION_spice:
3844 olist = qemu_find_opts("spice");
3846 error_report("spice support is disabled");
3849 opts = qemu_opts_parse_noisily(olist, optarg, false);
3855 case QEMU_OPTION_writeconfig:
3858 if (strcmp(optarg, "-") == 0) {
3861 fp = fopen(optarg, "w");
3863 error_report("open %s: %s", optarg,
3868 qemu_config_write(fp);
3874 case QEMU_OPTION_qtest:
3875 qtest_chrdev = optarg;
3877 case QEMU_OPTION_qtest_log:
3880 case QEMU_OPTION_sandbox:
3881 #ifdef CONFIG_SECCOMP
3882 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3888 error_report("-sandbox support is not enabled "
3889 "in this QEMU binary");
3893 case QEMU_OPTION_add_fd:
3895 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3901 error_report("File descriptor passing is disabled on this "
3906 case QEMU_OPTION_object:
3907 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3913 case QEMU_OPTION_realtime:
3914 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3919 /* Don't override the -overcommit option if set */
3920 enable_mlock = enable_mlock ||
3921 qemu_opt_get_bool(opts, "mlock", true);
3923 case QEMU_OPTION_overcommit:
3924 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3929 /* Don't override the -realtime option if set */
3930 enable_mlock = enable_mlock ||
3931 qemu_opt_get_bool(opts, "mem-lock", false);
3932 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3934 case QEMU_OPTION_msg:
3935 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3940 configure_msg(opts);
3942 case QEMU_OPTION_dump_vmstate:
3943 if (vmstate_dump_file) {
3944 error_report("only one '-dump-vmstate' "
3945 "option may be given");
3948 vmstate_dump_file = fopen(optarg, "w");
3949 if (vmstate_dump_file == NULL) {
3950 error_report("open %s: %s", optarg, strerror(errno));
3954 case QEMU_OPTION_enable_sync_profile:
3957 case QEMU_OPTION_nouserconfig:
3958 /* Nothing to be parsed here. Especially, do not error out below. */
3961 if (os_parse_cmd_args(popt->index, optarg)) {
3962 error_report("Option not supported in this build");
3969 * Clear error location left behind by the loop.
3970 * Best done right after the loop. Do not insert code here!
3974 replay_configure(icount_opts);
3976 if (incoming && !preconfig_exit_requested) {
3977 error_report("'preconfig' and 'incoming' options are "
3978 "mutually exclusive");
3982 configure_rtc(qemu_find_opts_singleton("rtc"));
3984 machine_class = select_machine();
3986 set_memory_options(&ram_slots, &maxram_size, machine_class);
3989 rcu_disable_atfork();
3991 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3992 error_reportf_err(err, "cannot create PID file: ");
3996 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3997 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3999 if (qemu_init_main_loop(&main_loop_err)) {
4000 error_report_err(main_loop_err);
4004 #ifdef CONFIG_SECCOMP
4005 olist = qemu_find_opts_err("sandbox", NULL);
4007 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4011 qemu_opts_foreach(qemu_find_opts("name"),
4012 parse_name, NULL, &error_fatal);
4015 qemu_opts_foreach(qemu_find_opts("add-fd"),
4016 parse_add_fd, NULL, &error_fatal);
4018 qemu_opts_foreach(qemu_find_opts("add-fd"),
4019 cleanup_add_fd, NULL, &error_fatal);
4022 current_machine = MACHINE(object_new(object_class_get_name(
4023 OBJECT_CLASS(machine_class))));
4024 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4027 object_property_add_child(object_get_root(), "machine",
4028 OBJECT(current_machine), &error_abort);
4030 if (machine_class->minimum_page_bits) {
4031 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4032 /* This would be a board error: specifying a minimum smaller than
4033 * a target's compile-time fixed setting.
4035 g_assert_not_reached();
4039 cpu_exec_init_all();
4041 if (machine_class->hw_version) {
4042 qemu_set_hw_version(machine_class->hw_version);
4045 if (cpu_model && is_help_option(cpu_model)) {
4046 list_cpus(stdout, &fprintf, cpu_model);
4050 if (!trace_init_backends()) {
4053 trace_init_file(trace_file);
4055 /* Open the logfile at this point and set the log mask if necessary.
4058 qemu_set_log_filename(log_file, &error_fatal);
4063 mask = qemu_str_to_log_mask(log_mask);
4065 qemu_print_log_usage(stdout);
4073 /* add configured firmware directories */
4074 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4075 for (i = 0; dirs[i] != NULL; i++) {
4076 qemu_add_data_dir(dirs[i]);
4080 /* try to find datadir relative to the executable path */
4081 dir = os_find_datadir();
4082 qemu_add_data_dir(dir);
4085 /* add the datadir specified when building */
4086 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4088 /* -L help lists the data directories and exits. */
4089 if (list_data_dirs) {
4090 for (i = 0; i < data_dir_idx; i++) {
4091 printf("%s\n", data_dir[i]);
4096 /* machine_class: default to UP */
4097 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4098 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4099 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4101 /* default to machine_class->default_cpus */
4102 smp_cpus = machine_class->default_cpus;
4103 max_cpus = machine_class->default_cpus;
4105 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4107 /* sanity-check smp_cpus and max_cpus against machine_class */
4108 if (smp_cpus < machine_class->min_cpus) {
4109 error_report("Invalid SMP CPUs %d. The min CPUs "
4110 "supported by machine '%s' is %d", smp_cpus,
4111 machine_class->name, machine_class->min_cpus);
4114 if (max_cpus > machine_class->max_cpus) {
4115 error_report("Invalid SMP CPUs %d. The max CPUs "
4116 "supported by machine '%s' is %d", max_cpus,
4117 machine_class->name, machine_class->max_cpus);
4122 * Get the default machine options from the machine if it is not already
4123 * specified either by the configuration file or by the command line.
4125 if (machine_class->default_machine_opts) {
4126 qemu_opts_set_defaults(qemu_find_opts("machine"),
4127 machine_class->default_machine_opts, 0);
4130 qemu_opts_foreach(qemu_find_opts("device"),
4131 default_driver_check, NULL, NULL);
4132 qemu_opts_foreach(qemu_find_opts("global"),
4133 default_driver_check, NULL, NULL);
4135 if (!vga_model && !default_vga) {
4136 vga_interface_type = VGA_DEVICE;
4138 if (!has_defaults || machine_class->no_serial) {
4141 if (!has_defaults || machine_class->no_parallel) {
4142 default_parallel = 0;
4144 if (!has_defaults || !machine_class->use_virtcon) {
4145 default_virtcon = 0;
4147 if (!has_defaults || machine_class->no_floppy) {
4150 if (!has_defaults || machine_class->no_cdrom) {
4153 if (!has_defaults || machine_class->no_sdcard) {
4156 if (!has_defaults) {
4157 default_monitor = 0;
4162 if (is_daemonized()) {
4163 if (!preconfig_exit_requested) {
4164 error_report("'preconfig' and 'daemonize' options are "
4165 "mutually exclusive");
4169 /* According to documentation and historically, -nographic redirects
4170 * serial port, parallel port and monitor to stdio, which does not work
4171 * with -daemonize. We can redirect these to null instead, but since
4172 * -nographic is legacy, let's just error out.
4173 * We disallow -nographic only if all other ports are not redirected
4174 * explicitly, to not break existing legacy setups which uses
4175 * -nographic _and_ redirects all ports explicitly - this is valid
4176 * usage, -nographic is just a no-op in this case.
4179 && (default_parallel || default_serial
4180 || default_monitor || default_virtcon)) {
4181 error_report("-nographic cannot be used with -daemonize");
4184 #ifdef CONFIG_CURSES
4185 if (dpy.type == DISPLAY_TYPE_CURSES) {
4186 error_report("curses display cannot be used with -daemonize");
4193 if (default_parallel)
4194 add_device_config(DEV_PARALLEL, "null");
4195 if (default_serial && default_monitor) {
4196 add_device_config(DEV_SERIAL, "mon:stdio");
4197 } else if (default_virtcon && default_monitor) {
4198 add_device_config(DEV_VIRTCON, "mon:stdio");
4201 add_device_config(DEV_SERIAL, "stdio");
4202 if (default_virtcon)
4203 add_device_config(DEV_VIRTCON, "stdio");
4204 if (default_monitor)
4205 monitor_parse("stdio", "readline", false);
4209 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4210 if (default_parallel)
4211 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4212 if (default_monitor)
4213 monitor_parse("vc:80Cx24C", "readline", false);
4214 if (default_virtcon)
4215 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4218 #if defined(CONFIG_VNC)
4219 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4223 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4224 if (!qemu_display_find_default(&dpy)) {
4225 dpy.type = DISPLAY_TYPE_NONE;
4226 #if defined(CONFIG_VNC)
4227 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4231 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4232 dpy.type = DISPLAY_TYPE_NONE;
4235 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4236 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4237 "for SDL, ignoring option");
4239 if (dpy.has_window_close &&
4240 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4241 error_report("-no-quit is only valid for GTK and SDL, "
4245 qemu_display_early_init(&dpy);
4246 qemu_console_early_init();
4248 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4249 #if defined(CONFIG_OPENGL)
4250 error_report("OpenGL is not supported by the display");
4252 error_report("OpenGL support is disabled");
4260 qemu_opts_foreach(qemu_find_opts("object"),
4261 user_creatable_add_opts_foreach,
4262 object_create_initial, &error_fatal);
4264 qemu_opts_foreach(qemu_find_opts("chardev"),
4265 chardev_init_func, NULL, &error_fatal);
4267 #ifdef CONFIG_VIRTFS
4268 qemu_opts_foreach(qemu_find_opts("fsdev"),
4269 fsdev_init_func, NULL, &error_fatal);
4272 if (qemu_opts_foreach(qemu_find_opts("device"),
4273 device_help_func, NULL, NULL)) {
4277 machine_opts = qemu_get_machine_opts();
4278 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4281 configure_accelerator(current_machine);
4283 if (!qtest_enabled() && machine_class->deprecation_reason) {
4284 error_report("Machine type '%s' is deprecated: %s",
4285 machine_class->name, machine_class->deprecation_reason);
4289 * Register all the global properties, including accel properties,
4290 * machine properties, and user-specified ones.
4292 register_global_properties(current_machine);
4295 * Migration object can only be created after global properties
4296 * are applied correctly.
4298 migration_object_init();
4301 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4304 machine_opts = qemu_get_machine_opts();
4305 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4306 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4307 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4308 bios_name = qemu_opt_get(machine_opts, "firmware");
4310 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4312 boot_order = qemu_opt_get(opts, "order");
4314 validate_bootdevices(boot_order, &error_fatal);
4317 boot_once = qemu_opt_get(opts, "once");
4319 validate_bootdevices(boot_once, &error_fatal);
4322 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4323 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4327 boot_order = machine_class->default_boot_order;
4330 if (!kernel_cmdline) {
4331 kernel_cmdline = "";
4332 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4335 linux_boot = (kernel_filename != NULL);
4337 if (!linux_boot && *kernel_cmdline != '\0') {
4338 error_report("-append only allowed with -kernel option");
4342 if (!linux_boot && initrd_filename != NULL) {
4343 error_report("-initrd only allowed with -kernel option");
4347 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4348 /* fall back to the -kernel/-append */
4349 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4352 os_set_line_buffering();
4354 /* spice needs the timers to be initialized by this point */
4359 if (!tcg_enabled()) {
4360 error_report("-icount is not allowed with hardware virtualization");
4363 configure_icount(icount_opts, &error_abort);
4364 qemu_opts_del(icount_opts);
4367 if (tcg_enabled()) {
4368 qemu_tcg_configure(accel_opts, &error_fatal);
4372 QemuOptsList *net = qemu_find_opts("net");
4373 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4375 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4379 if (net_init_clients(&err) < 0) {
4380 error_report_err(err);
4384 qemu_opts_foreach(qemu_find_opts("object"),
4385 user_creatable_add_opts_foreach,
4386 object_create_delayed, &error_fatal);
4390 /* init the bluetooth world */
4391 if (foreach_device_config(DEV_BT, bt_parse))
4394 if (!xen_enabled()) {
4395 /* On 32-bit hosts, QEMU is limited by virtual address space */
4396 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4397 error_report("at most 2047 MB RAM can be simulated");
4404 dirty_bitmap_mig_init();
4406 /* If the currently selected machine wishes to override the units-per-bus
4407 * property of its default HBA interface type, do so now. */
4408 if (machine_class->units_per_default_bus) {
4409 override_max_devs(machine_class->block_default_type,
4410 machine_class->units_per_default_bus);
4413 /* open the virtual block devices */
4414 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4415 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4417 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4418 loc_push_restore(&bdo->loc);
4419 qmp_blockdev_add(bdo->bdo, &error_fatal);
4421 qapi_free_BlockdevOptions(bdo->bdo);
4424 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4425 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4428 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4429 &machine_class->block_default_type, &error_fatal)) {
4430 /* We printed help */
4434 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4436 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4437 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4439 qemu_opts_foreach(qemu_find_opts("mon"),
4440 mon_init_func, NULL, &error_fatal);
4442 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4444 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4446 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4448 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4451 /* If no default VGA is requested, the default is "none". */
4453 if (machine_class->default_display) {
4454 vga_model = machine_class->default_display;
4455 } else if (vga_interface_available(VGA_CIRRUS)) {
4456 vga_model = "cirrus";
4457 } else if (vga_interface_available(VGA_STD)) {
4462 select_vgahw(vga_model);
4466 i = select_watchdog(watchdog);
4468 exit (i == 1 ? 1 : 0);
4471 /* This checkpoint is required by replay to separate prior clock
4472 reading from the other reads, because timer polling functions query
4473 clock values from the log. */
4474 replay_checkpoint(CHECKPOINT_INIT);
4475 qdev_machine_init();
4477 current_machine->ram_size = ram_size;
4478 current_machine->maxram_size = maxram_size;
4479 current_machine->ram_slots = ram_slots;
4480 current_machine->boot_order = boot_order;
4482 /* parse features once if machine provides default cpu_type */
4483 current_machine->cpu_type = machine_class->default_cpu_type;
4485 current_machine->cpu_type = parse_cpu_model(cpu_model);
4487 parse_numa_opts(current_machine);
4489 /* do monitor/qmp handling at preconfig state if requested */
4492 /* from here on runstate is RUN_STATE_PRELAUNCH */
4493 machine_run_board_init(current_machine);
4499 if (hax_enabled()) {
4503 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4504 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4506 /* init USB devices */
4507 if (machine_usb(current_machine)) {
4508 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4512 /* Check if IGD GFX passthrough. */
4515 /* init generic devices */
4516 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4517 qemu_opts_foreach(qemu_find_opts("device"),
4518 device_init_func, NULL, &error_fatal);
4520 cpu_synchronize_all_post_init();
4522 rom_reset_order_override();
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4527 /* Don't warn about the default network setup that you get if
4528 * no command line -net or -netdev options are specified. There
4529 * are two cases that we would otherwise complain about:
4530 * (1) board doesn't support a NIC but the implicit "-net nic"
4532 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4533 * sets up a nic that isn't connected to anything.
4535 if (!default_net && (!qtest_enabled() || has_defaults)) {
4536 net_check_clients();
4540 qemu_boot_set(boot_once, &error_fatal);
4541 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4544 /* init local displays */
4545 ds = init_displaystate();
4546 qemu_display_init(ds, &dpy);
4548 /* must be after terminal init, SDL library changes signal handlers */
4549 os_setup_signal_handling();
4551 /* init remote displays */
4553 qemu_opts_foreach(qemu_find_opts("vnc"),
4554 vnc_init_func, NULL, &error_fatal);
4558 qemu_spice_display_init();
4561 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4565 qdev_machine_creation_done();
4567 /* TODO: once all bus devices are qdevified, this should be done
4568 * when bus is created by qdev.c */
4569 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4570 qemu_run_machine_init_done_notifiers();
4572 if (rom_check_and_register_reset() != 0) {
4573 error_report("rom check and register reset failed");
4579 /* This checkpoint is required by replay to separate prior clock
4580 reading from the other reads, because timer polling functions query
4581 clock values from the log. */
4582 replay_checkpoint(CHECKPOINT_RESET);
4583 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4584 register_global_state();
4586 Error *local_err = NULL;
4587 if (load_snapshot(loadvm, &local_err) < 0) {
4588 error_report_err(local_err);
4593 if (replay_mode != REPLAY_MODE_NONE) {
4594 replay_vmstate_init();
4597 qdev_prop_check_globals();
4598 if (vmstate_dump_file) {
4600 dump_vmstate_json_to_file(vmstate_dump_file);
4605 Error *local_err = NULL;
4606 qemu_start_incoming_migration(incoming, &local_err);
4608 error_reportf_err(local_err, "-incoming %s: ", incoming);
4611 } else if (autostart) {
4615 accel_setup_post(current_machine);
4620 gdbserver_cleanup();
4622 /* No more vcpu or device emulation activity beyond this point */
4625 job_cancel_sync_all();
4630 /* vhost-user must be cleaned up before chardevs. */
4636 user_creatable_cleanup();
4637 migration_object_finalize();
4638 /* TODO: unref root container, check all devices are ok */