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 "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
33 #include <sys/prctl.h>
34 #include "sysemu/seccomp.h"
38 #if defined(__APPLE__) || defined(main)
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
43 return qemu_main(argc, argv, NULL);
46 #define main qemu_main
48 #endif /* CONFIG_SDL */
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
71 #include "hw/loader.h"
72 #include "monitor/qdev.h"
73 #include "sysemu/bt.h"
75 #include "net/slirp.h"
76 #include "monitor/monitor.h"
77 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "sysemu/numa.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "chardev/char.h"
84 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/misc.h"
89 #include "migration/snapshot.h"
90 #include "migration/global_state.h"
91 #include "sysemu/tpm.h"
92 #include "sysemu/dma.h"
93 #include "hw/audio/soundhw.h"
94 #include "audio/audio.h"
95 #include "sysemu/cpus.h"
96 #include "migration/colo.h"
97 #include "migration/postcopy-ram.h"
98 #include "sysemu/kvm.h"
99 #include "sysemu/hax.h"
100 #include "qapi/qobject-input-visitor.h"
101 #include "qemu/option.h"
102 #include "qemu/config-file.h"
103 #include "qemu-options.h"
104 #include "qemu/main-loop.h"
106 #include "fsdev/qemu-fsdev.h"
108 #include "sysemu/qtest.h"
110 #include "disas/disas.h"
113 #include "slirp/libslirp.h"
115 #include "trace-root.h"
116 #include "trace/control.h"
117 #include "qemu/queue.h"
118 #include "sysemu/arch_init.h"
120 #include "ui/qemu-spice.h"
121 #include "qapi/string-input-visitor.h"
122 #include "qapi/opts-visitor.h"
123 #include "qapi/clone-visitor.h"
124 #include "qom/object_interfaces.h"
125 #include "exec/semihost.h"
126 #include "crypto/init.h"
127 #include "sysemu/replay.h"
128 #include "qapi/qapi-events-run-state.h"
129 #include "qapi/qapi-visit-block-core.h"
130 #include "qapi/qapi-visit-ui.h"
131 #include "qapi/qapi-commands-block-core.h"
132 #include "qapi/qapi-commands-misc.h"
133 #include "qapi/qapi-commands-run-state.h"
134 #include "qapi/qmp/qerror.h"
135 #include "sysemu/iothread.h"
137 #define MAX_VIRTIO_CONSOLES 1
139 static const char *data_dir[16];
140 static int data_dir_idx;
141 const char *bios_name = NULL;
142 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
144 const char* keyboard_layout = NULL;
146 const char *mem_path = NULL;
147 int mem_prealloc = 0; /* force preallocation of physical target memory */
148 bool enable_mlock = false;
150 NICInfo nd_table[MAX_NICS];
152 static int rtc_utc = 1;
153 static int rtc_date_offset = -1; /* -1 means no change */
154 QEMUClockType rtc_clock;
155 int vga_interface_type = VGA_NONE;
156 static DisplayOptions dpy;
158 static int num_serial_hds = 0;
159 static Chardev **serial_hds = NULL;
160 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
161 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
162 int win2k_install_hack = 0;
165 unsigned int max_cpus;
168 int acpi_enabled = 1;
171 static int no_reboot;
174 int graphic_rotate = 0;
175 const char *watchdog;
176 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
179 const char *qemu_name;
182 unsigned int nb_prom_envs = 0;
183 const char *prom_envs[MAX_PROM_ENVS];
186 uint8_t *boot_splash_filedata;
187 size_t boot_splash_filedata_size;
188 uint8_t qemu_extra_params_fw[2];
190 int icount_align_option;
192 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
193 * little-endian "wire format" described in the SMBIOS 2.6 specification.
198 static NotifierList exit_notifiers =
199 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201 static NotifierList machine_init_done_notifiers =
202 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
206 enum xen_mode xen_mode = XEN_EMULATE;
207 bool xen_domid_restrict;
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218 static int default_net = 1;
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "floppy", .flag = &default_floppy },
228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
230 { .driver = "ide-drive", .flag = &default_cdrom },
231 { .driver = "scsi-cd", .flag = &default_cdrom },
232 { .driver = "scsi-hd", .flag = &default_cdrom },
233 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
234 { .driver = "virtio-serial", .flag = &default_virtcon },
235 { .driver = "VGA", .flag = &default_vga },
236 { .driver = "isa-vga", .flag = &default_vga },
237 { .driver = "cirrus-vga", .flag = &default_vga },
238 { .driver = "isa-cirrus-vga", .flag = &default_vga },
239 { .driver = "vmware-svga", .flag = &default_vga },
240 { .driver = "qxl-vga", .flag = &default_vga },
241 { .driver = "virtio-vga", .flag = &default_vga },
244 static QemuOptsList qemu_rtc_opts = {
246 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
250 .type = QEMU_OPT_STRING,
253 .type = QEMU_OPT_STRING,
256 .type = QEMU_OPT_STRING,
258 { /* end of list */ }
262 static QemuOptsList qemu_sandbox_opts = {
264 .implied_opt_name = "enable",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
269 .type = QEMU_OPT_BOOL,
273 .type = QEMU_OPT_STRING,
276 .name = "elevateprivileges",
277 .type = QEMU_OPT_STRING,
281 .type = QEMU_OPT_STRING,
284 .name = "resourcecontrol",
285 .type = QEMU_OPT_STRING,
287 { /* end of list */ }
291 static QemuOptsList qemu_option_rom_opts = {
292 .name = "option-rom",
293 .implied_opt_name = "romfile",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
298 .type = QEMU_OPT_NUMBER,
301 .type = QEMU_OPT_STRING,
303 { /* end of list */ }
307 static QemuOptsList qemu_machine_opts = {
309 .implied_opt_name = "type",
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
322 static QemuOptsList qemu_accel_opts = {
324 .implied_opt_name = "accel",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
330 .type = QEMU_OPT_STRING,
331 .help = "Select the type of accelerator",
335 .type = QEMU_OPT_STRING,
336 .help = "Enable/disable multi-threaded TCG",
338 { /* end of list */ }
342 static QemuOptsList qemu_boot_opts = {
344 .implied_opt_name = "order",
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
350 .type = QEMU_OPT_STRING,
353 .type = QEMU_OPT_STRING,
356 .type = QEMU_OPT_BOOL,
359 .type = QEMU_OPT_STRING,
361 .name = "splash-time",
362 .type = QEMU_OPT_STRING,
364 .name = "reboot-timeout",
365 .type = QEMU_OPT_STRING,
368 .type = QEMU_OPT_BOOL,
374 static QemuOptsList qemu_add_fd_opts = {
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
380 .type = QEMU_OPT_NUMBER,
381 .help = "file descriptor of which a duplicate is added to fd set",
384 .type = QEMU_OPT_NUMBER,
385 .help = "ID of the fd set to add fd to",
388 .type = QEMU_OPT_STRING,
389 .help = "free-form string used to describe fd",
391 { /* end of list */ }
395 static QemuOptsList qemu_object_opts = {
397 .implied_opt_name = "qom-type",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
404 static QemuOptsList qemu_tpmdev_opts = {
406 .implied_opt_name = "type",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
409 /* options are defined in the TPM backends */
410 { /* end of list */ }
414 static QemuOptsList qemu_realtime_opts = {
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
420 .type = QEMU_OPT_BOOL,
422 { /* end of list */ }
426 static QemuOptsList qemu_msg_opts = {
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
432 .type = QEMU_OPT_BOOL,
434 { /* end of list */ }
438 static QemuOptsList qemu_name_opts = {
440 .implied_opt_name = "guest",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the guest.\n"
448 "This name will be displayed in the SDL window caption.\n"
449 "The name will also be used for the VNC server",
452 .type = QEMU_OPT_STRING,
453 .help = "Sets the name of the QEMU process, as shown in top etc",
455 .name = "debug-threads",
456 .type = QEMU_OPT_BOOL,
457 .help = "When enabled, name the individual threads; defaults off.\n"
458 "NOTE: The thread names are for debugging and not a\n"
461 { /* End of list */ }
465 static QemuOptsList qemu_mem_opts = {
467 .implied_opt_name = "size",
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
473 .type = QEMU_OPT_SIZE,
477 .type = QEMU_OPT_NUMBER,
481 .type = QEMU_OPT_SIZE,
483 { /* end of list */ }
487 static QemuOptsList qemu_icount_opts = {
489 .implied_opt_name = "shift",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
495 .type = QEMU_OPT_STRING,
498 .type = QEMU_OPT_BOOL,
501 .type = QEMU_OPT_BOOL,
504 .type = QEMU_OPT_STRING,
507 .type = QEMU_OPT_STRING,
509 .name = "rrsnapshot",
510 .type = QEMU_OPT_STRING,
512 { /* end of list */ }
516 static QemuOptsList qemu_semihosting_config_opts = {
517 .name = "semihosting-config",
518 .implied_opt_name = "enable",
519 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
523 .type = QEMU_OPT_BOOL,
526 .type = QEMU_OPT_STRING,
529 .type = QEMU_OPT_STRING,
531 { /* end of list */ }
535 static QemuOptsList qemu_fw_cfg_opts = {
537 .implied_opt_name = "name",
538 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
542 .type = QEMU_OPT_STRING,
543 .help = "Sets the fw_cfg name of the blob to be inserted",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the name of the file from which\n"
548 "the fw_cfg blob will be loaded",
551 .type = QEMU_OPT_STRING,
552 .help = "Sets content of the blob to be inserted from a string",
554 { /* end of list */ }
559 * Get machine options
561 * Returns: machine options (never null).
563 QemuOpts *qemu_get_machine_opts(void)
565 return qemu_find_opts_singleton("machine");
568 const char *qemu_get_vm_name(void)
573 static void res_free(void)
575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
579 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
581 const char *driver = qemu_opt_get(opts, "driver");
586 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
587 if (strcmp(default_list[i].driver, driver) != 0)
589 *(default_list[i].flag) = 0;
594 /***********************************************************/
597 static RunState current_run_state = RUN_STATE_PRECONFIG;
599 /* We use RUN_STATE__MAX but any invalid value will do */
600 static RunState vmstop_requested = RUN_STATE__MAX;
601 static QemuMutex vmstop_lock;
606 } RunStateTransition;
608 static const RunStateTransition runstate_transitions_def[] = {
610 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
611 /* Early switch to inmigrate state to allow -incoming CLI option work
612 * as it used to. TODO: delay actual switching to inmigrate state to
613 * the point after machine is built and remove this hack.
615 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
617 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
618 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
621 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
622 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
625 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
626 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
627 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
628 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
629 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
632 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
634 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
635 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
636 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
638 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
639 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
643 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
645 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
646 { RUN_STATE_PAUSED, RUN_STATE_COLO},
648 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
649 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
652 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
653 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
656 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
657 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
658 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
659 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
660 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
662 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
663 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
665 { RUN_STATE_COLO, RUN_STATE_RUNNING },
667 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
668 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
669 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
670 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
671 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
673 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
674 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
675 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
676 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
677 { RUN_STATE_RUNNING, RUN_STATE_COLO},
679 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
681 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
682 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
683 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
685 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
686 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
687 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
688 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
689 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
690 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
692 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
693 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
694 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
695 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
697 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
698 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
699 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
701 { RUN_STATE__MAX, RUN_STATE__MAX },
704 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
706 bool runstate_check(RunState state)
708 return current_run_state == state;
711 bool runstate_store(char *str, size_t size)
713 const char *state = RunState_str(current_run_state);
714 size_t len = strlen(state) + 1;
719 memcpy(str, state, len);
723 static void runstate_init(void)
725 const RunStateTransition *p;
727 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
728 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
729 runstate_valid_transitions[p->from][p->to] = true;
732 qemu_mutex_init(&vmstop_lock);
735 /* This function will abort() on invalid state transitions */
736 void runstate_set(RunState new_state)
738 assert(new_state < RUN_STATE__MAX);
740 if (current_run_state == new_state) {
744 if (!runstate_valid_transitions[current_run_state][new_state]) {
745 error_report("invalid runstate transition: '%s' -> '%s'",
746 RunState_str(current_run_state),
747 RunState_str(new_state));
750 trace_runstate_set(new_state);
751 current_run_state = new_state;
754 int runstate_is_running(void)
756 return runstate_check(RUN_STATE_RUNNING);
759 bool runstate_needs_reset(void)
761 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
762 runstate_check(RUN_STATE_SHUTDOWN);
765 StatusInfo *qmp_query_status(Error **errp)
767 StatusInfo *info = g_malloc0(sizeof(*info));
769 info->running = runstate_is_running();
770 info->singlestep = singlestep;
771 info->status = current_run_state;
776 bool qemu_vmstop_requested(RunState *r)
778 qemu_mutex_lock(&vmstop_lock);
779 *r = vmstop_requested;
780 vmstop_requested = RUN_STATE__MAX;
781 qemu_mutex_unlock(&vmstop_lock);
782 return *r < RUN_STATE__MAX;
785 void qemu_system_vmstop_request_prepare(void)
787 qemu_mutex_lock(&vmstop_lock);
790 void qemu_system_vmstop_request(RunState state)
792 vmstop_requested = state;
793 qemu_mutex_unlock(&vmstop_lock);
797 /***********************************************************/
798 /* real time host monotonic timer */
800 static time_t qemu_time(void)
802 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
805 /***********************************************************/
806 /* host time/date access */
807 void qemu_get_timedate(struct tm *tm, int offset)
809 time_t ti = qemu_time();
812 if (rtc_date_offset == -1) {
816 localtime_r(&ti, tm);
818 ti -= rtc_date_offset;
823 int qemu_timedate_diff(struct tm *tm)
827 if (rtc_date_offset == -1)
829 seconds = mktimegm(tm);
832 tmp.tm_isdst = -1; /* use timezone to figure it out */
833 seconds = mktime(&tmp);
836 seconds = mktimegm(tm) + rtc_date_offset;
838 return seconds - qemu_time();
841 static void configure_rtc_date_offset(const char *startdate, int legacy)
843 time_t rtc_start_date;
846 if (!strcmp(startdate, "now") && legacy) {
847 rtc_date_offset = -1;
849 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
857 } else if (sscanf(startdate, "%d-%d-%d",
869 rtc_start_date = mktimegm(&tm);
870 if (rtc_start_date == -1) {
872 error_report("invalid date format");
873 error_printf("valid formats: "
874 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 rtc_date_offset = qemu_time() - rtc_start_date;
881 static void configure_rtc(QemuOpts *opts)
885 value = qemu_opt_get(opts, "base");
887 if (!strcmp(value, "utc")) {
889 } else if (!strcmp(value, "localtime")) {
890 Error *blocker = NULL;
892 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
893 "-rtc base=localtime");
894 replay_add_blocker(blocker);
896 configure_rtc_date_offset(value, 0);
899 value = qemu_opt_get(opts, "clock");
901 if (!strcmp(value, "host")) {
902 rtc_clock = QEMU_CLOCK_HOST;
903 } else if (!strcmp(value, "rt")) {
904 rtc_clock = QEMU_CLOCK_REALTIME;
905 } else if (!strcmp(value, "vm")) {
906 rtc_clock = QEMU_CLOCK_VIRTUAL;
908 error_report("invalid option value '%s'", value);
912 value = qemu_opt_get(opts, "driftfix");
914 if (!strcmp(value, "slew")) {
915 static GlobalProperty slew_lost_ticks = {
916 .driver = "mc146818rtc",
917 .property = "lost_tick_policy",
921 qdev_prop_register_global(&slew_lost_ticks);
922 } else if (!strcmp(value, "none")) {
923 /* discard is default */
925 error_report("invalid option value '%s'", value);
931 /***********************************************************/
932 /* Bluetooth support */
935 static struct HCIInfo *hci_table[MAX_NICS];
937 struct HCIInfo *qemu_next_hci(void)
939 if (cur_hci == nb_hcis)
942 return hci_table[cur_hci++];
945 static int bt_hci_parse(const char *str)
950 if (nb_hcis >= MAX_NICS) {
951 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
964 bdaddr.b[5] = 0x56 + nb_hcis;
965 hci->bdaddr_set(hci, bdaddr.b);
967 hci_table[nb_hcis++] = hci;
972 static void bt_vhci_add(int vlan_id)
974 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
977 warn_report("adding a VHCI to an empty scatternet %i",
980 bt_vhci_init(bt_new_hci(vlan));
983 static struct bt_device_s *bt_device_add(const char *opt)
985 struct bt_scatternet_s *vlan;
987 char *endp = strstr(opt, ",vlan=");
988 int len = (endp ? endp - opt : strlen(opt)) + 1;
991 pstrcpy(devname, MIN(sizeof(devname), len), opt);
994 vlan_id = strtol(endp + 6, &endp, 0);
996 error_report("unrecognised bluetooth vlan Id");
1001 vlan = qemu_find_bt_vlan(vlan_id);
1004 warn_report("adding a slave device to an empty scatternet %i",
1007 if (!strcmp(devname, "keyboard"))
1008 return bt_keyboard_init(vlan);
1010 error_report("unsupported bluetooth device '%s'", devname);
1014 static int bt_parse(const char *opt)
1016 const char *endp, *p;
1019 if (strstart(opt, "hci", &endp)) {
1020 if (!*endp || *endp == ',') {
1022 if (!strstart(endp, ",vlan=", 0))
1025 return bt_hci_parse(opt);
1027 } else if (strstart(opt, "vhci", &endp)) {
1028 if (!*endp || *endp == ',') {
1030 if (strstart(endp, ",vlan=", &p)) {
1031 vlan = strtol(p, (char **) &endp, 0);
1033 error_report("bad scatternet '%s'", p);
1037 error_report("bad parameter '%s'", endp + 1);
1046 } else if (strstart(opt, "device:", &endp))
1047 return !bt_device_add(endp);
1049 error_report("bad bluetooth parameter '%s'", opt);
1053 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1055 if (qemu_opt_get_bool(opts, "enable", false)) {
1056 #ifdef CONFIG_SECCOMP
1057 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1058 | QEMU_SECCOMP_SET_OBSOLETE;
1059 const char *value = NULL;
1061 value = qemu_opt_get(opts, "obsolete");
1063 if (g_str_equal(value, "allow")) {
1064 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1065 } else if (g_str_equal(value, "deny")) {
1066 /* this is the default option, this if is here
1067 * to provide a little bit of consistency for
1068 * the command line */
1070 error_report("invalid argument for obsolete");
1075 value = qemu_opt_get(opts, "elevateprivileges");
1077 if (g_str_equal(value, "deny")) {
1078 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1079 } else if (g_str_equal(value, "children")) {
1080 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1082 /* calling prctl directly because we're
1083 * not sure if host has CAP_SYS_ADMIN set*/
1084 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1085 error_report("failed to set no_new_privs "
1089 } else if (g_str_equal(value, "allow")) {
1092 error_report("invalid argument for elevateprivileges");
1097 value = qemu_opt_get(opts, "spawn");
1099 if (g_str_equal(value, "deny")) {
1100 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1101 } else if (g_str_equal(value, "allow")) {
1104 error_report("invalid argument for spawn");
1109 value = qemu_opt_get(opts, "resourcecontrol");
1111 if (g_str_equal(value, "deny")) {
1112 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1113 } else if (g_str_equal(value, "allow")) {
1116 error_report("invalid argument for resourcecontrol");
1121 if (seccomp_start(seccomp_opts) < 0) {
1122 error_report("failed to install seccomp syscall filter "
1127 error_report("seccomp support is disabled");
1135 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1137 const char *proc_name;
1139 if (qemu_opt_get(opts, "debug-threads")) {
1140 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1142 qemu_name = qemu_opt_get(opts, "guest");
1144 proc_name = qemu_opt_get(opts, "process");
1146 os_set_proc_name(proc_name);
1152 bool defaults_enabled(void)
1154 return has_defaults;
1158 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1160 int fd, dupfd, flags;
1162 const char *fd_opaque = NULL;
1165 fd = qemu_opt_get_number(opts, "fd", -1);
1166 fdset_id = qemu_opt_get_number(opts, "set", -1);
1167 fd_opaque = qemu_opt_get(opts, "opaque");
1170 error_report("fd option is required and must be non-negative");
1174 if (fd <= STDERR_FILENO) {
1175 error_report("fd cannot be a standard I/O stream");
1180 * All fds inherited across exec() necessarily have FD_CLOEXEC
1181 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1183 flags = fcntl(fd, F_GETFD);
1184 if (flags == -1 || (flags & FD_CLOEXEC)) {
1185 error_report("fd is not valid or already in use");
1190 error_report("set option is required and must be non-negative");
1194 #ifdef F_DUPFD_CLOEXEC
1195 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1199 qemu_set_cloexec(dupfd);
1203 error_report("error duplicating fd: %s", strerror(errno));
1207 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1208 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1215 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1219 fd = qemu_opt_get_number(opts, "fd", -1);
1226 /***********************************************************/
1227 /* QEMU Block devices */
1229 #define HD_OPTS "media=disk"
1230 #define CDROM_OPTS "media=cdrom"
1232 #define PFLASH_OPTS ""
1236 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1238 BlockInterfaceType *block_default_type = opaque;
1240 return drive_new(opts, *block_default_type) == NULL;
1243 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1245 if (qemu_opt_get(opts, "snapshot") == NULL) {
1246 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1251 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1252 int index, const char *optstr)
1257 if (!enable || drive_get_by_index(type, index)) {
1261 opts = drive_add(type, index, NULL, optstr);
1263 drive_enable_snapshot(NULL, opts, NULL);
1266 dinfo = drive_new(opts, type);
1270 dinfo->is_default = true;
1274 static QemuOptsList qemu_smp_opts = {
1276 .implied_opt_name = "cpus",
1277 .merge_lists = true,
1278 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1282 .type = QEMU_OPT_NUMBER,
1285 .type = QEMU_OPT_NUMBER,
1288 .type = QEMU_OPT_NUMBER,
1291 .type = QEMU_OPT_NUMBER,
1294 .type = QEMU_OPT_NUMBER,
1296 { /*End of list */ }
1300 static void smp_parse(QemuOpts *opts)
1303 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1304 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1305 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1306 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1308 /* compute missing values, prefer sockets over cores over threads */
1309 if (cpus == 0 || sockets == 0) {
1310 sockets = sockets > 0 ? sockets : 1;
1311 cores = cores > 0 ? cores : 1;
1312 threads = threads > 0 ? threads : 1;
1314 cpus = cores * threads * sockets;
1316 } else if (cores == 0) {
1317 threads = threads > 0 ? threads : 1;
1318 cores = cpus / (sockets * threads);
1319 cores = cores > 0 ? cores : 1;
1320 } else if (threads == 0) {
1321 threads = cpus / (cores * sockets);
1322 threads = threads > 0 ? threads : 1;
1323 } else if (sockets * cores * threads < cpus) {
1324 error_report("cpu topology: "
1325 "sockets (%u) * cores (%u) * threads (%u) < "
1327 sockets, cores, threads, cpus);
1331 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1333 if (max_cpus < cpus) {
1334 error_report("maxcpus must be equal to or greater than smp");
1338 if (sockets * cores * threads > max_cpus) {
1339 error_report("cpu topology: "
1340 "sockets (%u) * cores (%u) * threads (%u) > "
1342 sockets, cores, threads, max_cpus);
1348 smp_threads = threads;
1352 Error *blocker = NULL;
1353 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1354 replay_add_blocker(blocker);
1358 static void realtime_init(void)
1361 if (os_mlock() < 0) {
1362 error_report("locking memory failed");
1369 static void configure_msg(QemuOpts *opts)
1371 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1374 /***********************************************************/
1377 typedef struct SemihostingConfig {
1379 SemihostingTarget target;
1382 const char *cmdline; /* concatenated argv */
1383 } SemihostingConfig;
1385 static SemihostingConfig semihosting;
1387 bool semihosting_enabled(void)
1389 return semihosting.enabled;
1392 SemihostingTarget semihosting_get_target(void)
1394 return semihosting.target;
1397 const char *semihosting_get_arg(int i)
1399 if (i >= semihosting.argc) {
1402 return semihosting.argv[i];
1405 int semihosting_get_argc(void)
1407 return semihosting.argc;
1410 const char *semihosting_get_cmdline(void)
1412 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1413 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1415 return semihosting.cmdline;
1418 static int add_semihosting_arg(void *opaque,
1419 const char *name, const char *val,
1422 SemihostingConfig *s = opaque;
1423 if (strcmp(name, "arg") == 0) {
1425 /* one extra element as g_strjoinv() expects NULL-terminated array */
1426 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1427 s->argv[s->argc - 1] = val;
1428 s->argv[s->argc] = NULL;
1433 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1434 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1439 add_semihosting_arg(&semihosting, "arg", file, NULL);
1441 /* split -append and initialize argv[1..n] */
1442 cmd_token = strtok(g_strdup(cmd), " ");
1444 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1445 cmd_token = strtok(NULL, " ");
1449 /* Now we still need this for compatibility with XEN. */
1450 bool has_igd_gfx_passthru;
1451 static void igd_gfx_passthru(void)
1453 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1456 /***********************************************************/
1459 static int usb_device_add(const char *devname)
1461 USBDevice *dev = NULL;
1463 if (!machine_usb(current_machine)) {
1467 dev = usbdevice_create(devname);
1474 static int usb_parse(const char *cmdline)
1477 r = usb_device_add(cmdline);
1479 error_report("could not add USB device '%s'", cmdline);
1484 /***********************************************************/
1485 /* machine registration */
1487 MachineState *current_machine;
1489 static MachineClass *find_machine(const char *name)
1491 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1492 MachineClass *mc = NULL;
1494 for (el = machines; el; el = el->next) {
1495 MachineClass *temp = el->data;
1497 if (!strcmp(temp->name, name)) {
1502 !strcmp(temp->alias, name)) {
1508 g_slist_free(machines);
1512 MachineClass *find_default_machine(void)
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineClass *mc = NULL;
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *temp = el->data;
1520 if (temp->is_default) {
1526 g_slist_free(machines);
1530 MachineInfoList *qmp_query_machines(Error **errp)
1532 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1533 MachineInfoList *mach_list = NULL;
1535 for (el = machines; el; el = el->next) {
1536 MachineClass *mc = el->data;
1537 MachineInfoList *entry;
1540 info = g_malloc0(sizeof(*info));
1541 if (mc->is_default) {
1542 info->has_is_default = true;
1543 info->is_default = true;
1547 info->has_alias = true;
1548 info->alias = g_strdup(mc->alias);
1551 info->name = g_strdup(mc->name);
1552 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1553 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1555 entry = g_malloc0(sizeof(*entry));
1556 entry->value = info;
1557 entry->next = mach_list;
1561 g_slist_free(machines);
1565 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1567 ObjectProperty *prop;
1568 ObjectPropertyIterator iter;
1570 if (!qemu_opt_has_help_opt(opts)) {
1574 object_property_iter_init(&iter, OBJECT(machine));
1575 while ((prop = object_property_iter_next(&iter))) {
1580 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1581 prop->name, prop->type);
1582 if (prop->description) {
1583 error_printf(" (%s)\n", prop->description);
1592 /***********************************************************/
1593 /* main execution loop */
1595 struct vm_change_state_entry {
1596 VMChangeStateHandler *cb;
1598 QLIST_ENTRY (vm_change_state_entry) entries;
1601 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1603 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1606 VMChangeStateEntry *e;
1608 e = g_malloc0(sizeof (*e));
1612 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1616 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1618 QLIST_REMOVE (e, entries);
1622 void vm_state_notify(int running, RunState state)
1624 VMChangeStateEntry *e, *next;
1626 trace_vm_state_notify(running, state);
1628 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1629 e->cb(e->opaque, running, state);
1633 static ShutdownCause reset_requested;
1634 static ShutdownCause shutdown_requested;
1635 static int shutdown_signal;
1636 static pid_t shutdown_pid;
1637 static int powerdown_requested;
1638 static int debug_requested;
1639 static int suspend_requested;
1640 static bool preconfig_exit_requested = true;
1641 static WakeupReason wakeup_reason;
1642 static NotifierList powerdown_notifiers =
1643 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1644 static NotifierList suspend_notifiers =
1645 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1646 static NotifierList wakeup_notifiers =
1647 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1648 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1650 ShutdownCause qemu_shutdown_requested_get(void)
1652 return shutdown_requested;
1655 ShutdownCause qemu_reset_requested_get(void)
1657 return reset_requested;
1660 static int qemu_shutdown_requested(void)
1662 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1665 static void qemu_kill_report(void)
1667 if (!qtest_driver() && shutdown_signal) {
1668 if (shutdown_pid == 0) {
1669 /* This happens for eg ^C at the terminal, so it's worth
1670 * avoiding printing an odd message in that case.
1672 error_report("terminating on signal %d", shutdown_signal);
1674 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1676 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1677 shutdown_signal, shutdown_pid,
1678 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1679 g_free(shutdown_cmd);
1681 shutdown_signal = 0;
1685 static ShutdownCause qemu_reset_requested(void)
1687 ShutdownCause r = reset_requested;
1689 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1690 reset_requested = SHUTDOWN_CAUSE_NONE;
1693 return SHUTDOWN_CAUSE_NONE;
1696 static int qemu_suspend_requested(void)
1698 int r = suspend_requested;
1699 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1700 suspend_requested = 0;
1706 static WakeupReason qemu_wakeup_requested(void)
1708 return wakeup_reason;
1711 static int qemu_powerdown_requested(void)
1713 int r = powerdown_requested;
1714 powerdown_requested = 0;
1718 static int qemu_debug_requested(void)
1720 int r = debug_requested;
1721 debug_requested = 0;
1725 void qemu_exit_preconfig_request(void)
1727 preconfig_exit_requested = true;
1731 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1733 void qemu_system_reset(ShutdownCause reason)
1737 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1739 cpu_synchronize_all_states();
1741 if (mc && mc->reset) {
1744 qemu_devices_reset();
1747 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1750 cpu_synchronize_all_post_reset();
1753 void qemu_system_guest_panicked(GuestPanicInformation *info)
1755 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1758 current_cpu->crash_occurred = true;
1760 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1761 !!info, info, &error_abort);
1762 vm_stop(RUN_STATE_GUEST_PANICKED);
1764 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1765 !!info, info, &error_abort);
1766 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1770 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1771 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1772 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1773 info->u.hyper_v.arg1,
1774 info->u.hyper_v.arg2,
1775 info->u.hyper_v.arg3,
1776 info->u.hyper_v.arg4,
1777 info->u.hyper_v.arg5);
1778 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1779 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1780 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1782 S390CrashReason_str(info->u.s390.reason),
1783 info->u.s390.psw_mask,
1784 info->u.s390.psw_addr);
1786 qapi_free_GuestPanicInformation(info);
1790 void qemu_system_reset_request(ShutdownCause reason)
1793 shutdown_requested = reason;
1795 reset_requested = reason;
1798 qemu_notify_event();
1801 static void qemu_system_suspend(void)
1804 notifier_list_notify(&suspend_notifiers, NULL);
1805 runstate_set(RUN_STATE_SUSPENDED);
1806 qapi_event_send_suspend(&error_abort);
1809 void qemu_system_suspend_request(void)
1811 if (runstate_check(RUN_STATE_SUSPENDED)) {
1814 suspend_requested = 1;
1816 qemu_notify_event();
1819 void qemu_register_suspend_notifier(Notifier *notifier)
1821 notifier_list_add(&suspend_notifiers, notifier);
1824 void qemu_system_wakeup_request(WakeupReason reason)
1826 trace_system_wakeup_request(reason);
1828 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1831 if (!(wakeup_reason_mask & (1 << reason))) {
1834 runstate_set(RUN_STATE_RUNNING);
1835 wakeup_reason = reason;
1836 qemu_notify_event();
1839 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1842 wakeup_reason_mask |= (1 << reason);
1844 wakeup_reason_mask &= ~(1 << reason);
1848 void qemu_register_wakeup_notifier(Notifier *notifier)
1850 notifier_list_add(&wakeup_notifiers, notifier);
1853 void qemu_system_killed(int signal, pid_t pid)
1855 shutdown_signal = signal;
1859 /* Cannot call qemu_system_shutdown_request directly because
1860 * we are in a signal handler.
1862 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1863 qemu_notify_event();
1866 void qemu_system_shutdown_request(ShutdownCause reason)
1868 trace_qemu_system_shutdown_request(reason);
1869 replay_shutdown_request(reason);
1870 shutdown_requested = reason;
1871 qemu_notify_event();
1874 static void qemu_system_powerdown(void)
1876 qapi_event_send_powerdown(&error_abort);
1877 notifier_list_notify(&powerdown_notifiers, NULL);
1880 void qemu_system_powerdown_request(void)
1882 trace_qemu_system_powerdown_request();
1883 powerdown_requested = 1;
1884 qemu_notify_event();
1887 void qemu_register_powerdown_notifier(Notifier *notifier)
1889 notifier_list_add(&powerdown_notifiers, notifier);
1892 void qemu_system_debug_request(void)
1894 debug_requested = 1;
1895 qemu_notify_event();
1898 static bool main_loop_should_exit(void)
1901 ShutdownCause request;
1903 if (preconfig_exit_requested) {
1904 if (runstate_check(RUN_STATE_PRECONFIG)) {
1905 runstate_set(RUN_STATE_PRELAUNCH);
1907 preconfig_exit_requested = false;
1910 if (qemu_debug_requested()) {
1911 vm_stop(RUN_STATE_DEBUG);
1913 if (qemu_suspend_requested()) {
1914 qemu_system_suspend();
1916 request = qemu_shutdown_requested();
1919 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1922 vm_stop(RUN_STATE_SHUTDOWN);
1927 request = qemu_reset_requested();
1930 qemu_system_reset(request);
1932 if (!runstate_check(RUN_STATE_RUNNING) &&
1933 !runstate_check(RUN_STATE_INMIGRATE)) {
1934 runstate_set(RUN_STATE_PRELAUNCH);
1937 if (qemu_wakeup_requested()) {
1939 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1940 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1941 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1943 qapi_event_send_wakeup(&error_abort);
1945 if (qemu_powerdown_requested()) {
1946 qemu_system_powerdown();
1948 if (qemu_vmstop_requested(&r)) {
1954 static void main_loop(void)
1956 #ifdef CONFIG_PROFILER
1960 #ifdef CONFIG_PROFILER
1961 ti = profile_getclock();
1963 main_loop_wait(false);
1964 #ifdef CONFIG_PROFILER
1965 dev_time += profile_getclock() - ti;
1967 } while (!main_loop_should_exit());
1970 static void version(void)
1972 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1973 QEMU_COPYRIGHT "\n");
1976 static void help(int exitcode)
1979 printf("usage: %s [options] [disk_image]\n\n"
1980 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1981 error_get_progname());
1983 #define QEMU_OPTIONS_GENERATE_HELP
1984 #include "qemu-options-wrapper.h"
1986 printf("\nDuring emulation, the following keys are useful:\n"
1987 "ctrl-alt-f toggle full screen\n"
1988 "ctrl-alt-n switch to virtual console 'n'\n"
1989 "ctrl-alt toggle mouse and keyboard grab\n"
1991 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1993 QEMU_HELP_BOTTOM "\n");
1998 #define HAS_ARG 0x0001
2000 typedef struct QEMUOption {
2007 static const QEMUOption qemu_options[] = {
2008 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2009 #define QEMU_OPTIONS_GENERATE_OPTIONS
2010 #include "qemu-options-wrapper.h"
2014 typedef struct VGAInterfaceInfo {
2015 const char *opt_name; /* option name */
2016 const char *name; /* human-readable name */
2017 /* Class names indicating that support is available.
2018 * If no class is specified, the interface is always available */
2019 const char *class_names[2];
2022 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2028 .name = "standard VGA",
2029 .class_names = { "VGA", "isa-vga" },
2032 .opt_name = "cirrus",
2033 .name = "Cirrus VGA",
2034 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2037 .opt_name = "vmware",
2038 .name = "VMWare SVGA",
2039 .class_names = { "vmware-svga" },
2042 .opt_name = "virtio",
2043 .name = "Virtio VGA",
2044 .class_names = { "virtio-vga" },
2049 .class_names = { "qxl-vga" },
2053 .name = "TCX framebuffer",
2054 .class_names = { "SUNW,tcx" },
2058 .name = "CG3 framebuffer",
2059 .class_names = { "cgthree" },
2062 .opt_name = "xenfb",
2066 static bool vga_interface_available(VGAInterfaceType t)
2068 VGAInterfaceInfo *ti = &vga_interfaces[t];
2070 assert(t < VGA_TYPE_MAX);
2071 return !ti->class_names[0] ||
2072 object_class_by_name(ti->class_names[0]) ||
2073 object_class_by_name(ti->class_names[1]);
2076 static void select_vgahw(const char *p)
2081 assert(vga_interface_type == VGA_NONE);
2082 for (t = 0; t < VGA_TYPE_MAX; t++) {
2083 VGAInterfaceInfo *ti = &vga_interfaces[t];
2084 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2085 if (!vga_interface_available(t)) {
2086 error_report("%s not available", ti->name);
2089 vga_interface_type = t;
2093 if (t == VGA_TYPE_MAX) {
2095 error_report("unknown vga type: %s", p);
2099 const char *nextopt;
2101 if (strstart(opts, ",retrace=", &nextopt)) {
2103 if (strstart(opts, "dumb", &nextopt))
2104 vga_retrace_method = VGA_RETRACE_DUMB;
2105 else if (strstart(opts, "precise", &nextopt))
2106 vga_retrace_method = VGA_RETRACE_PRECISE;
2107 else goto invalid_vga;
2108 } else goto invalid_vga;
2113 static void parse_display_qapi(const char *optarg)
2116 DisplayOptions *opts;
2119 v = qobject_input_visitor_new_str(optarg, "type", &err);
2121 error_report_err(err);
2125 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2126 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2128 qapi_free_DisplayOptions(opts);
2132 static void parse_display(const char *p)
2136 if (strstart(p, "sdl", &opts)) {
2138 * sdl DisplayType needs hand-crafted parser instead of
2139 * parse_display_qapi() due to some options not in
2140 * DisplayOptions, specifically:
2142 * Already deprecated.
2143 * - ctrl_grab + alt_grab
2144 * Not clear yet what happens to them long-term. Should
2145 * replaced by something better or deprecated and dropped.
2147 dpy.type = DISPLAY_TYPE_SDL;
2149 const char *nextopt;
2151 if (strstart(opts, ",frame=", &nextopt)) {
2152 g_printerr("The frame= sdl option is deprecated, and will be\n"
2153 "removed in a future release.\n");
2155 if (strstart(opts, "on", &nextopt)) {
2157 } else if (strstart(opts, "off", &nextopt)) {
2160 goto invalid_sdl_args;
2162 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2164 if (strstart(opts, "on", &nextopt)) {
2166 } else if (strstart(opts, "off", &nextopt)) {
2169 goto invalid_sdl_args;
2171 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2173 if (strstart(opts, "on", &nextopt)) {
2175 } else if (strstart(opts, "off", &nextopt)) {
2178 goto invalid_sdl_args;
2180 } else if (strstart(opts, ",window_close=", &nextopt)) {
2182 dpy.has_window_close = true;
2183 if (strstart(opts, "on", &nextopt)) {
2184 dpy.window_close = true;
2185 } else if (strstart(opts, "off", &nextopt)) {
2186 dpy.window_close = false;
2188 goto invalid_sdl_args;
2190 } else if (strstart(opts, ",gl=", &nextopt)) {
2193 if (strstart(opts, "on", &nextopt)) {
2194 dpy.gl = DISPLAYGL_MODE_ON;
2195 } else if (strstart(opts, "core", &nextopt)) {
2196 dpy.gl = DISPLAYGL_MODE_CORE;
2197 } else if (strstart(opts, "es", &nextopt)) {
2198 dpy.gl = DISPLAYGL_MODE_ES;
2199 } else if (strstart(opts, "off", &nextopt)) {
2200 dpy.gl = DISPLAYGL_MODE_OFF;
2202 goto invalid_sdl_args;
2206 error_report("invalid SDL option string");
2211 } else if (strstart(p, "vnc", &opts)) {
2213 * vnc isn't a (local) DisplayType but a protocol for remote
2217 vnc_parse(opts + 1, &error_fatal);
2219 error_report("VNC requires a display argument vnc=<display>");
2223 parse_display_qapi(p);
2227 static int balloon_parse(const char *arg)
2231 warn_report("This option is deprecated. "
2232 "Use '--device virtio-balloon' to enable the balloon device.");
2234 if (strcmp(arg, "none") == 0) {
2238 if (!strncmp(arg, "virtio", 6)) {
2239 if (arg[6] == ',') {
2240 /* have params -> parse them */
2241 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2246 /* create empty opts */
2247 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2250 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2257 char *qemu_find_file(int type, const char *name)
2263 /* Try the name as a straight path first */
2264 if (access(name, R_OK) == 0) {
2265 trace_load_file(name, name);
2266 return g_strdup(name);
2270 case QEMU_FILE_TYPE_BIOS:
2273 case QEMU_FILE_TYPE_KEYMAP:
2274 subdir = "keymaps/";
2280 for (i = 0; i < data_dir_idx; i++) {
2281 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2282 if (access(buf, R_OK) == 0) {
2283 trace_load_file(name, buf);
2291 static void qemu_add_data_dir(const char *path)
2298 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2301 for (i = 0; i < data_dir_idx; i++) {
2302 if (strcmp(data_dir[i], path) == 0) {
2303 return; /* duplicate */
2306 data_dir[data_dir_idx++] = g_strdup(path);
2309 static inline bool nonempty_str(const char *str)
2314 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2318 const char *name, *file, *str;
2319 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2321 if (fw_cfg == NULL) {
2322 error_report("fw_cfg device not available");
2325 name = qemu_opt_get(opts, "name");
2326 file = qemu_opt_get(opts, "file");
2327 str = qemu_opt_get(opts, "string");
2329 /* we need name and either a file or the content string */
2330 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2331 error_report("invalid argument(s)");
2334 if (nonempty_str(file) && nonempty_str(str)) {
2335 error_report("file and string are mutually exclusive");
2338 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2339 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2342 if (strncmp(name, "opt/", 4) != 0) {
2343 warn_report("externally provided fw_cfg item names "
2344 "should be prefixed with \"opt/\"");
2346 if (nonempty_str(str)) {
2347 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2348 buf = g_memdup(str, size);
2350 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2351 error_report("can't load %s", file);
2355 /* For legacy, keep user files in a specific global order. */
2356 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2357 fw_cfg_add_file(fw_cfg, name, buf, size);
2358 fw_cfg_reset_order_override(fw_cfg);
2362 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2364 return qdev_device_help(opts);
2367 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2372 dev = qdev_device_add(opts, &err);
2374 error_report_err(err);
2377 object_unref(OBJECT(dev));
2381 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 Error *local_err = NULL;
2385 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2387 error_report_err(local_err);
2395 #ifdef CONFIG_VIRTFS
2396 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2398 return qemu_fsdev_add(opts);
2402 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2405 const char *chardev;
2409 mode = qemu_opt_get(opts, "mode");
2413 if (strcmp(mode, "readline") == 0) {
2414 flags = MONITOR_USE_READLINE;
2415 } else if (strcmp(mode, "control") == 0) {
2416 flags = MONITOR_USE_CONTROL;
2418 error_report("unknown monitor mode \"%s\"", mode);
2422 if (qemu_opt_get_bool(opts, "pretty", 0))
2423 flags |= MONITOR_USE_PRETTY;
2425 /* OOB is off by default */
2426 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2427 flags |= MONITOR_USE_OOB;
2430 chardev = qemu_opt_get(opts, "chardev");
2431 chr = qemu_chr_find(chardev);
2433 error_report("chardev \"%s\" not found", chardev);
2437 monitor_init(chr, flags);
2441 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2443 static int monitor_device_index = 0;
2448 if (strstart(optarg, "chardev:", &p)) {
2449 snprintf(label, sizeof(label), "%s", p);
2451 snprintf(label, sizeof(label), "compat_monitor%d",
2452 monitor_device_index);
2453 opts = qemu_chr_parse_compat(label, optarg);
2455 error_report("parse error: %s", optarg);
2460 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2461 qemu_opt_set(opts, "mode", mode, &error_abort);
2462 qemu_opt_set(opts, "chardev", label, &error_abort);
2463 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2464 monitor_device_index++;
2467 struct device_config {
2469 DEV_USB, /* -usbdevice */
2471 DEV_SERIAL, /* -serial */
2472 DEV_PARALLEL, /* -parallel */
2473 DEV_VIRTCON, /* -virtioconsole */
2474 DEV_DEBUGCON, /* -debugcon */
2475 DEV_GDB, /* -gdb, -s */
2476 DEV_SCLP, /* s390 sclp */
2478 const char *cmdline;
2480 QTAILQ_ENTRY(device_config) next;
2483 static QTAILQ_HEAD(, device_config) device_configs =
2484 QTAILQ_HEAD_INITIALIZER(device_configs);
2486 static void add_device_config(int type, const char *cmdline)
2488 struct device_config *conf;
2490 conf = g_malloc0(sizeof(*conf));
2492 conf->cmdline = cmdline;
2493 loc_save(&conf->loc);
2494 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2497 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2499 struct device_config *conf;
2502 QTAILQ_FOREACH(conf, &device_configs, next) {
2503 if (conf->type != type)
2505 loc_push_restore(&conf->loc);
2506 rc = func(conf->cmdline);
2507 loc_pop(&conf->loc);
2515 static int serial_parse(const char *devname)
2517 int index = num_serial_hds;
2520 if (strcmp(devname, "none") == 0)
2522 snprintf(label, sizeof(label), "serial%d", index);
2523 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2525 serial_hds[index] = qemu_chr_new(label, devname);
2526 if (!serial_hds[index]) {
2527 error_report("could not connect serial device"
2528 " to character backend '%s'", devname);
2535 Chardev *serial_hd(int i)
2538 if (i < num_serial_hds) {
2539 return serial_hds[i];
2544 int serial_max_hds(void)
2546 return num_serial_hds;
2549 static int parallel_parse(const char *devname)
2551 static int index = 0;
2554 if (strcmp(devname, "none") == 0)
2556 if (index == MAX_PARALLEL_PORTS) {
2557 error_report("too many parallel ports");
2560 snprintf(label, sizeof(label), "parallel%d", index);
2561 parallel_hds[index] = qemu_chr_new(label, devname);
2562 if (!parallel_hds[index]) {
2563 error_report("could not connect parallel device"
2564 " to character backend '%s'", devname);
2571 static int virtcon_parse(const char *devname)
2573 QemuOptsList *device = qemu_find_opts("device");
2574 static int index = 0;
2576 QemuOpts *bus_opts, *dev_opts;
2578 if (strcmp(devname, "none") == 0)
2580 if (index == MAX_VIRTIO_CONSOLES) {
2581 error_report("too many virtio consoles");
2585 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2586 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2588 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2589 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2591 snprintf(label, sizeof(label), "virtcon%d", index);
2592 virtcon_hds[index] = qemu_chr_new(label, devname);
2593 if (!virtcon_hds[index]) {
2594 error_report("could not connect virtio console"
2595 " to character backend '%s'", devname);
2598 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2604 static int debugcon_parse(const char *devname)
2608 if (!qemu_chr_new("debugcon", devname)) {
2611 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2613 error_report("already have a debugcon device");
2616 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2617 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2621 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2623 const MachineClass *mc1 = a, *mc2 = b;
2626 if (mc1->family == NULL) {
2627 if (mc2->family == NULL) {
2628 /* Compare standalone machine types against each other; they sort
2629 * in increasing order.
2631 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2632 object_class_get_name(OBJECT_CLASS(mc2)));
2635 /* Standalone machine types sort after families. */
2639 if (mc2->family == NULL) {
2640 /* Families sort before standalone machine types. */
2644 /* Families sort between each other alphabetically increasingly. */
2645 res = strcmp(mc1->family, mc2->family);
2650 /* Within the same family, machine types sort in decreasing order. */
2651 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2652 object_class_get_name(OBJECT_CLASS(mc1)));
2655 static MachineClass *machine_parse(const char *name)
2657 MachineClass *mc = NULL;
2658 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2661 mc = find_machine(name);
2664 g_slist_free(machines);
2667 if (name && !is_help_option(name)) {
2668 error_report("unsupported machine type");
2669 error_printf("Use -machine help to list supported machines\n");
2671 printf("Supported machines are:\n");
2672 machines = g_slist_sort(machines, machine_class_cmp);
2673 for (el = machines; el; el = el->next) {
2674 MachineClass *mc = el->data;
2676 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2678 printf("%-20s %s%s\n", mc->name, mc->desc,
2679 mc->is_default ? " (default)" : "");
2683 g_slist_free(machines);
2684 exit(!name || !is_help_option(name));
2687 void qemu_add_exit_notifier(Notifier *notify)
2689 notifier_list_add(&exit_notifiers, notify);
2692 void qemu_remove_exit_notifier(Notifier *notify)
2694 notifier_remove(notify);
2697 static void qemu_run_exit_notifiers(void)
2699 notifier_list_notify(&exit_notifiers, NULL);
2702 bool machine_init_done;
2704 void qemu_add_machine_init_done_notifier(Notifier *notify)
2706 notifier_list_add(&machine_init_done_notifiers, notify);
2707 if (machine_init_done) {
2708 notify->notify(notify, NULL);
2712 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2714 notifier_remove(notify);
2717 static void qemu_run_machine_init_done_notifiers(void)
2719 machine_init_done = true;
2720 notifier_list_notify(&machine_init_done_notifiers, NULL);
2723 static const QEMUOption *lookup_opt(int argc, char **argv,
2724 const char **poptarg, int *poptind)
2726 const QEMUOption *popt;
2727 int optind = *poptind;
2728 char *r = argv[optind];
2731 loc_set_cmdline(argv, optind, 1);
2733 /* Treat --foo the same as -foo. */
2736 popt = qemu_options;
2739 error_report("invalid option");
2742 if (!strcmp(popt->name, r + 1))
2746 if (popt->flags & HAS_ARG) {
2747 if (optind >= argc) {
2748 error_report("requires an argument");
2751 optarg = argv[optind++];
2752 loc_set_cmdline(argv, optind - 2, 2);
2763 static MachineClass *select_machine(void)
2765 MachineClass *machine_class = find_default_machine();
2770 loc_push_none(&loc);
2772 opts = qemu_get_machine_opts();
2773 qemu_opts_loc_restore(opts);
2775 optarg = qemu_opt_get(opts, "type");
2777 machine_class = machine_parse(optarg);
2780 if (!machine_class) {
2781 error_report("No machine specified, and there is no default");
2782 error_printf("Use -machine help to list supported machines\n");
2787 return machine_class;
2790 static int machine_set_property(void *opaque,
2791 const char *name, const char *value,
2794 Object *obj = OBJECT(opaque);
2795 Error *local_err = NULL;
2798 if (strcmp(name, "type") == 0) {
2802 qom_name = g_strdup(name);
2803 for (p = qom_name; *p; p++) {
2809 object_property_parse(obj, value, qom_name, &local_err);
2813 error_report_err(local_err);
2822 * Initial object creation happens before all other
2823 * QEMU data types are created. The majority of objects
2824 * can be created at this point. The rng-egd object
2825 * cannot be created here, as it depends on the chardev
2828 static bool object_create_initial(const char *type)
2830 if (g_str_equal(type, "rng-egd") ||
2831 g_str_has_prefix(type, "pr-manager-")) {
2835 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2836 if (g_str_equal(type, "cryptodev-vhost-user")) {
2842 * return false for concrete netfilters since
2843 * they depend on netdevs already existing
2845 if (g_str_equal(type, "filter-buffer") ||
2846 g_str_equal(type, "filter-dump") ||
2847 g_str_equal(type, "filter-mirror") ||
2848 g_str_equal(type, "filter-redirector") ||
2849 g_str_equal(type, "colo-compare") ||
2850 g_str_equal(type, "filter-rewriter") ||
2851 g_str_equal(type, "filter-replay")) {
2855 /* Memory allocation by backends needs to be done
2856 * after configure_accelerator() (due to the tcg_enabled()
2857 * checks at memory_region_init_*()).
2859 * Also, allocation of large amounts of memory may delay
2860 * chardev initialization for too long, and trigger timeouts
2861 * on software that waits for a monitor socket to be created
2864 if (g_str_has_prefix(type, "memory-backend-")) {
2873 * The remainder of object creation happens after the
2874 * creation of chardev, fsdev, net clients and device data types.
2876 static bool object_create_delayed(const char *type)
2878 return !object_create_initial(type);
2882 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2886 const char *mem_str;
2887 const ram_addr_t default_ram_size = mc->default_ram_size;
2888 QemuOpts *opts = qemu_find_opts_singleton("memory");
2891 loc_push_none(&loc);
2892 qemu_opts_loc_restore(opts);
2895 mem_str = qemu_opt_get(opts, "size");
2898 error_report("missing 'size' option value");
2902 sz = qemu_opt_get_size(opts, "size", ram_size);
2904 /* Fix up legacy suffix-less format */
2905 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2906 uint64_t overflow_check = sz;
2909 if ((sz >> 20) != overflow_check) {
2910 error_report("too large 'size' option value");
2916 /* backward compatibility behaviour for case "-m 0" */
2918 sz = default_ram_size;
2921 sz = QEMU_ALIGN_UP(sz, 8192);
2923 if (ram_size != sz) {
2924 error_report("ram size too large");
2928 /* store value for the future use */
2929 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2930 *maxram_size = ram_size;
2932 if (qemu_opt_get(opts, "maxmem")) {
2935 sz = qemu_opt_get_size(opts, "maxmem", 0);
2936 slots = qemu_opt_get_number(opts, "slots", 0);
2937 if (sz < ram_size) {
2938 error_report("invalid value of -m option maxmem: "
2939 "maximum memory size (0x%" PRIx64 ") must be at least "
2940 "the initial memory size (0x" RAM_ADDR_FMT ")",
2943 } else if (slots && sz == ram_size) {
2944 error_report("invalid value of -m option maxmem: "
2945 "memory slots were specified but maximum memory size "
2946 "(0x%" PRIx64 ") is equal to the initial memory size "
2947 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2953 } else if (qemu_opt_get(opts, "slots")) {
2954 error_report("invalid -m option value: missing 'maxmem' option");
2961 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2965 g = g_malloc0(sizeof(*g));
2966 g->driver = qemu_opt_get(opts, "driver");
2967 g->property = qemu_opt_get(opts, "property");
2968 g->value = qemu_opt_get(opts, "value");
2969 g->user_provided = true;
2970 g->errp = &error_fatal;
2971 qdev_prop_register_global(g);
2975 static int qemu_read_default_config_file(void)
2979 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2980 if (ret < 0 && ret != -ENOENT) {
2987 static void user_register_global_props(void)
2989 qemu_opts_foreach(qemu_find_opts("global"),
2990 global_init_func, NULL, NULL);
2994 * Note: we should see that these properties are actually having a
2995 * priority: accel < machine < user. This means e.g. when user
2996 * specifies something in "-global", it'll always be used with highest
2997 * priority than either machine/accelerator compat properties.
2999 static void register_global_properties(MachineState *ms)
3001 accel_register_compat_props(ms->accelerator);
3002 machine_register_compat_props(ms);
3003 user_register_global_props();
3006 int main(int argc, char **argv, char **envp)
3009 int snapshot, linux_boot;
3010 const char *initrd_filename;
3011 const char *kernel_filename, *kernel_cmdline;
3012 const char *boot_order = NULL;
3013 const char *boot_once = NULL;
3015 QemuOpts *opts, *machine_opts;
3016 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3017 QemuOptsList *olist;
3020 const char *loadvm = NULL;
3021 MachineClass *machine_class;
3022 const char *cpu_model;
3023 const char *vga_model = NULL;
3024 const char *qtest_chrdev = NULL;
3025 const char *qtest_log = NULL;
3026 const char *pid_file = NULL;
3027 const char *incoming = NULL;
3028 bool userconfig = true;
3029 bool nographic = false;
3030 int display_remote = 0;
3031 const char *log_mask = NULL;
3032 const char *log_file = NULL;
3033 char *trace_file = NULL;
3034 ram_addr_t maxram_size;
3035 uint64_t ram_slots = 0;
3036 FILE *vmstate_dump_file = NULL;
3037 Error *main_loop_err = NULL;
3039 bool list_data_dirs = false;
3041 typedef struct BlockdevOptions_queue {
3042 BlockdevOptions *bdo;
3044 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3045 } BlockdevOptions_queue;
3046 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3047 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3049 module_call_init(MODULE_INIT_TRACE);
3051 qemu_init_cpu_list();
3052 qemu_init_cpu_loop();
3054 qemu_mutex_lock_iothread();
3056 atexit(qemu_run_exit_notifiers);
3057 error_set_progname(argv[0]);
3058 qemu_init_exec_dir(argv[0]);
3060 module_call_init(MODULE_INIT_QOM);
3062 qemu_add_opts(&qemu_drive_opts);
3063 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3064 qemu_add_drive_opts(&qemu_common_drive_opts);
3065 qemu_add_drive_opts(&qemu_drive_opts);
3066 qemu_add_drive_opts(&bdrv_runtime_opts);
3067 qemu_add_opts(&qemu_chardev_opts);
3068 qemu_add_opts(&qemu_device_opts);
3069 qemu_add_opts(&qemu_netdev_opts);
3070 qemu_add_opts(&qemu_nic_opts);
3071 qemu_add_opts(&qemu_net_opts);
3072 qemu_add_opts(&qemu_rtc_opts);
3073 qemu_add_opts(&qemu_global_opts);
3074 qemu_add_opts(&qemu_mon_opts);
3075 qemu_add_opts(&qemu_trace_opts);
3076 qemu_add_opts(&qemu_option_rom_opts);
3077 qemu_add_opts(&qemu_machine_opts);
3078 qemu_add_opts(&qemu_accel_opts);
3079 qemu_add_opts(&qemu_mem_opts);
3080 qemu_add_opts(&qemu_smp_opts);
3081 qemu_add_opts(&qemu_boot_opts);
3082 qemu_add_opts(&qemu_sandbox_opts);
3083 qemu_add_opts(&qemu_add_fd_opts);
3084 qemu_add_opts(&qemu_object_opts);
3085 qemu_add_opts(&qemu_tpmdev_opts);
3086 qemu_add_opts(&qemu_realtime_opts);
3087 qemu_add_opts(&qemu_msg_opts);
3088 qemu_add_opts(&qemu_name_opts);
3089 qemu_add_opts(&qemu_numa_opts);
3090 qemu_add_opts(&qemu_icount_opts);
3091 qemu_add_opts(&qemu_semihosting_config_opts);
3092 qemu_add_opts(&qemu_fw_cfg_opts);
3093 module_call_init(MODULE_INIT_OPTS);
3096 postcopy_infrastructure_init();
3098 if (qcrypto_init(&err) < 0) {
3099 error_reportf_err(err, "cannot initialize crypto: ");
3102 rtc_clock = QEMU_CLOCK_HOST;
3104 QLIST_INIT (&vm_change_state_head);
3105 os_setup_early_signal_handling();
3112 bdrv_init_with_whitelist();
3116 /* first pass of option parsing */
3118 while (optind < argc) {
3119 if (argv[optind][0] != '-') {
3123 const QEMUOption *popt;
3125 popt = lookup_opt(argc, argv, &optarg, &optind);
3126 switch (popt->index) {
3127 case QEMU_OPTION_nodefconfig:
3128 case QEMU_OPTION_nouserconfig:
3136 if (qemu_read_default_config_file() < 0) {
3141 /* second pass of option parsing */
3146 if (argv[optind][0] != '-') {
3147 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3149 const QEMUOption *popt;
3151 popt = lookup_opt(argc, argv, &optarg, &optind);
3152 if (!(popt->arch_mask & arch_type)) {
3153 error_report("Option not supported for this target");
3156 switch(popt->index) {
3157 case QEMU_OPTION_cpu:
3158 /* hw initialization will check this */
3161 case QEMU_OPTION_hda:
3162 case QEMU_OPTION_hdb:
3163 case QEMU_OPTION_hdc:
3164 case QEMU_OPTION_hdd:
3165 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3168 case QEMU_OPTION_blockdev:
3171 BlockdevOptions_queue *bdo;
3173 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3175 error_report_err(err);
3179 bdo = g_new(BlockdevOptions_queue, 1);
3180 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3183 loc_save(&bdo->loc);
3184 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3187 case QEMU_OPTION_drive:
3188 if (drive_def(optarg) == NULL) {
3192 case QEMU_OPTION_set:
3193 if (qemu_set_option(optarg) != 0)
3196 case QEMU_OPTION_global:
3197 if (qemu_global_option(optarg) != 0)
3200 case QEMU_OPTION_mtdblock:
3201 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3203 case QEMU_OPTION_sd:
3204 drive_add(IF_SD, -1, optarg, SD_OPTS);
3206 case QEMU_OPTION_pflash:
3207 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3209 case QEMU_OPTION_snapshot:
3212 case QEMU_OPTION_numa:
3213 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3219 case QEMU_OPTION_display:
3220 parse_display(optarg);
3222 case QEMU_OPTION_nographic:
3223 olist = qemu_find_opts("machine");
3224 qemu_opts_parse_noisily(olist, "graphics=off", false);
3226 dpy.type = DISPLAY_TYPE_NONE;
3228 case QEMU_OPTION_curses:
3229 #ifdef CONFIG_CURSES
3230 dpy.type = DISPLAY_TYPE_CURSES;
3232 error_report("curses support is disabled");
3236 case QEMU_OPTION_portrait:
3237 graphic_rotate = 90;
3239 case QEMU_OPTION_rotate:
3240 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3241 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3242 graphic_rotate != 180 && graphic_rotate != 270) {
3243 error_report("only 90, 180, 270 deg rotation is available");
3247 case QEMU_OPTION_kernel:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3251 case QEMU_OPTION_initrd:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3255 case QEMU_OPTION_append:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3259 case QEMU_OPTION_dtb:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3263 case QEMU_OPTION_cdrom:
3264 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3266 case QEMU_OPTION_boot:
3267 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3273 case QEMU_OPTION_fda:
3274 case QEMU_OPTION_fdb:
3275 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3278 case QEMU_OPTION_no_fd_bootchk:
3281 case QEMU_OPTION_netdev:
3283 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3287 case QEMU_OPTION_nic:
3289 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3293 case QEMU_OPTION_net:
3295 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3299 #ifdef CONFIG_LIBISCSI
3300 case QEMU_OPTION_iscsi:
3301 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3309 case QEMU_OPTION_tftp:
3310 error_report("The -tftp option is deprecated. "
3311 "Please use '-netdev user,tftp=...' instead.");
3312 legacy_tftp_prefix = optarg;
3314 case QEMU_OPTION_bootp:
3315 error_report("The -bootp option is deprecated. "
3316 "Please use '-netdev user,bootfile=...' instead.");
3317 legacy_bootp_filename = optarg;
3319 case QEMU_OPTION_redir:
3320 error_report("The -redir option is deprecated. "
3321 "Please use '-netdev user,hostfwd=...' instead.");
3322 if (net_slirp_redir(optarg) < 0)
3326 case QEMU_OPTION_bt:
3327 add_device_config(DEV_BT, optarg);
3329 case QEMU_OPTION_audio_help:
3333 case QEMU_OPTION_soundhw:
3334 select_soundhw (optarg);
3339 case QEMU_OPTION_version:
3344 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3351 case QEMU_OPTION_tpmdev:
3352 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3357 case QEMU_OPTION_mempath:
3360 case QEMU_OPTION_mem_prealloc:
3369 case QEMU_OPTION_DFILTER:
3370 qemu_set_dfilter_ranges(optarg, &error_fatal);
3373 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3375 case QEMU_OPTION_gdb:
3376 add_device_config(DEV_GDB, optarg);
3379 if (is_help_option(optarg)) {
3380 list_data_dirs = true;
3382 qemu_add_data_dir(optarg);
3385 case QEMU_OPTION_bios:
3386 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3389 case QEMU_OPTION_singlestep:
3396 keyboard_layout = optarg;
3398 case QEMU_OPTION_localtime:
3400 warn_report("This option is deprecated, "
3401 "use '-rtc base=localtime' instead.");
3403 case QEMU_OPTION_vga:
3412 w = strtol(p, (char **)&p, 10);
3415 error_report("invalid resolution or depth");
3421 h = strtol(p, (char **)&p, 10);
3426 depth = strtol(p, (char **)&p, 10);
3427 if (depth != 8 && depth != 15 && depth != 16 &&
3428 depth != 24 && depth != 32)
3430 } else if (*p == '\0') {
3431 depth = graphic_depth;
3438 graphic_depth = depth;
3441 case QEMU_OPTION_echr:
3444 term_escape_char = strtol(optarg, &r, 0);
3446 printf("Bad argument to echr\n");
3449 case QEMU_OPTION_monitor:
3450 default_monitor = 0;
3451 if (strncmp(optarg, "none", 4)) {
3452 monitor_parse(optarg, "readline", false);
3455 case QEMU_OPTION_qmp:
3456 monitor_parse(optarg, "control", false);
3457 default_monitor = 0;
3459 case QEMU_OPTION_qmp_pretty:
3460 monitor_parse(optarg, "control", true);
3461 default_monitor = 0;
3463 case QEMU_OPTION_mon:
3464 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3469 default_monitor = 0;
3471 case QEMU_OPTION_chardev:
3472 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3478 case QEMU_OPTION_fsdev:
3479 olist = qemu_find_opts("fsdev");
3481 error_report("fsdev support is disabled");
3484 opts = qemu_opts_parse_noisily(olist, optarg, true);
3489 case QEMU_OPTION_virtfs: {
3492 const char *writeout, *sock_fd, *socket, *path, *security_model;
3494 olist = qemu_find_opts("virtfs");
3496 error_report("virtfs support is disabled");
3499 opts = qemu_opts_parse_noisily(olist, optarg, true);
3504 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3505 qemu_opt_get(opts, "mount_tag") == NULL) {
3506 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3509 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3510 qemu_opts_id(opts) ?:
3511 qemu_opt_get(opts, "mount_tag"),
3514 error_report("duplicate or invalid fsdev id: %s",
3515 qemu_opt_get(opts, "mount_tag"));
3519 writeout = qemu_opt_get(opts, "writeout");
3521 #ifdef CONFIG_SYNC_FILE_RANGE
3522 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3524 error_report("writeout=immediate not supported "
3525 "on this platform");
3529 qemu_opt_set(fsdev, "fsdriver",
3530 qemu_opt_get(opts, "fsdriver"), &error_abort);
3531 path = qemu_opt_get(opts, "path");
3533 qemu_opt_set(fsdev, "path", path, &error_abort);
3535 security_model = qemu_opt_get(opts, "security_model");
3536 if (security_model) {
3537 qemu_opt_set(fsdev, "security_model", security_model,
3540 socket = qemu_opt_get(opts, "socket");
3542 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3544 sock_fd = qemu_opt_get(opts, "sock_fd");
3546 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3549 qemu_opt_set_bool(fsdev, "readonly",
3550 qemu_opt_get_bool(opts, "readonly", 0),
3552 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3554 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3555 qemu_opt_set(device, "fsdev",
3556 qemu_opts_id(fsdev), &error_abort);
3557 qemu_opt_set(device, "mount_tag",
3558 qemu_opt_get(opts, "mount_tag"), &error_abort);
3561 case QEMU_OPTION_virtfs_synth: {
3565 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3568 error_report("duplicate option: %s", "virtfs_synth");
3571 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3573 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3575 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3576 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3577 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3580 case QEMU_OPTION_serial:
3581 add_device_config(DEV_SERIAL, optarg);
3583 if (strncmp(optarg, "mon:", 4) == 0) {
3584 default_monitor = 0;
3587 case QEMU_OPTION_watchdog:
3589 error_report("only one watchdog option may be given");
3594 case QEMU_OPTION_watchdog_action:
3595 if (select_watchdog_action(optarg) == -1) {
3596 error_report("unknown -watchdog-action parameter");
3600 case QEMU_OPTION_virtiocon:
3601 warn_report("This option is deprecated, "
3602 "use '-device virtconsole' instead");
3603 add_device_config(DEV_VIRTCON, optarg);
3604 default_virtcon = 0;
3605 if (strncmp(optarg, "mon:", 4) == 0) {
3606 default_monitor = 0;
3609 case QEMU_OPTION_parallel:
3610 add_device_config(DEV_PARALLEL, optarg);
3611 default_parallel = 0;
3612 if (strncmp(optarg, "mon:", 4) == 0) {
3613 default_monitor = 0;
3616 case QEMU_OPTION_debugcon:
3617 add_device_config(DEV_DEBUGCON, optarg);
3619 case QEMU_OPTION_loadvm:
3622 case QEMU_OPTION_full_screen:
3623 dpy.has_full_screen = true;
3624 dpy.full_screen = true;
3626 case QEMU_OPTION_no_frame:
3627 g_printerr("The -no-frame switch is deprecated, and will be\n"
3628 "removed in a future release.\n");
3631 case QEMU_OPTION_alt_grab:
3634 case QEMU_OPTION_ctrl_grab:
3637 case QEMU_OPTION_no_quit:
3638 dpy.has_window_close = true;
3639 dpy.window_close = false;
3641 case QEMU_OPTION_sdl:
3643 dpy.type = DISPLAY_TYPE_SDL;
3646 error_report("SDL support is disabled");
3649 case QEMU_OPTION_pidfile:
3652 case QEMU_OPTION_win2k_hack:
3653 win2k_install_hack = 1;
3655 case QEMU_OPTION_rtc_td_hack: {
3656 static GlobalProperty slew_lost_ticks = {
3657 .driver = "mc146818rtc",
3658 .property = "lost_tick_policy",
3662 qdev_prop_register_global(&slew_lost_ticks);
3663 warn_report("This option is deprecated, "
3664 "use '-rtc driftfix=slew' instead.");
3667 case QEMU_OPTION_acpitable:
3668 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3673 acpi_table_add(opts, &error_fatal);
3675 case QEMU_OPTION_smbios:
3676 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3681 smbios_entry_add(opts, &error_fatal);
3683 case QEMU_OPTION_fwcfg:
3684 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3690 case QEMU_OPTION_preconfig:
3691 preconfig_exit_requested = false;
3693 case QEMU_OPTION_enable_kvm:
3694 olist = qemu_find_opts("machine");
3695 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3697 case QEMU_OPTION_enable_hax:
3698 olist = qemu_find_opts("machine");
3699 qemu_opts_parse_noisily(olist, "accel=hax", false);
3702 case QEMU_OPTION_machine:
3703 olist = qemu_find_opts("machine");
3704 opts = qemu_opts_parse_noisily(olist, optarg, true);
3709 case QEMU_OPTION_no_kvm:
3710 olist = qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3713 case QEMU_OPTION_accel:
3714 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3716 optarg = qemu_opt_get(accel_opts, "accel");
3717 if (!optarg || is_help_option(optarg)) {
3718 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3721 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3722 false, &error_abort);
3723 qemu_opt_set(opts, "accel", optarg, &error_abort);
3725 case QEMU_OPTION_usb:
3726 olist = qemu_find_opts("machine");
3727 qemu_opts_parse_noisily(olist, "usb=on", false);
3729 case QEMU_OPTION_usbdevice:
3730 error_report("'-usbdevice' is deprecated, please use "
3731 "'-device usb-...' instead");
3732 olist = qemu_find_opts("machine");
3733 qemu_opts_parse_noisily(olist, "usb=on", false);
3734 add_device_config(DEV_USB, optarg);
3736 case QEMU_OPTION_device:
3737 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3742 case QEMU_OPTION_smp:
3743 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3748 case QEMU_OPTION_vnc:
3749 vnc_parse(optarg, &error_fatal);
3751 case QEMU_OPTION_no_acpi:
3754 case QEMU_OPTION_no_hpet:
3757 case QEMU_OPTION_balloon:
3758 if (balloon_parse(optarg) < 0) {
3759 error_report("unknown -balloon argument %s", optarg);
3763 case QEMU_OPTION_no_reboot:
3766 case QEMU_OPTION_no_shutdown:
3769 case QEMU_OPTION_show_cursor:
3772 case QEMU_OPTION_uuid:
3773 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3774 error_report("failed to parse UUID string: wrong format");
3777 qemu_uuid_set = true;
3779 case QEMU_OPTION_option_rom:
3780 if (nb_option_roms >= MAX_OPTION_ROMS) {
3781 error_report("too many option ROMs");
3784 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3789 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3790 option_rom[nb_option_roms].bootindex =
3791 qemu_opt_get_number(opts, "bootindex", -1);
3792 if (!option_rom[nb_option_roms].name) {
3793 error_report("Option ROM file is not specified");
3798 case QEMU_OPTION_semihosting:
3799 semihosting.enabled = true;
3800 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3802 case QEMU_OPTION_semihosting_config:
3803 semihosting.enabled = true;
3804 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3807 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3809 const char *target = qemu_opt_get(opts, "target");
3810 if (target != NULL) {
3811 if (strcmp("native", target) == 0) {
3812 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3813 } else if (strcmp("gdb", target) == 0) {
3814 semihosting.target = SEMIHOSTING_TARGET_GDB;
3815 } else if (strcmp("auto", target) == 0) {
3816 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3818 error_report("unsupported semihosting-config %s",
3823 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3825 /* Set semihosting argument count and vector */
3826 qemu_opt_foreach(opts, add_semihosting_arg,
3827 &semihosting, NULL);
3829 error_report("unsupported semihosting-config %s", optarg);
3833 case QEMU_OPTION_name:
3834 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3840 case QEMU_OPTION_prom_env:
3841 if (nb_prom_envs >= MAX_PROM_ENVS) {
3842 error_report("too many prom variables");
3845 prom_envs[nb_prom_envs] = optarg;
3848 case QEMU_OPTION_old_param:
3851 case QEMU_OPTION_clock:
3852 /* Clock options no longer exist. Keep this option for
3853 * backward compatibility.
3856 case QEMU_OPTION_startdate:
3857 warn_report("This option is deprecated, use '-rtc base=' instead.");
3858 configure_rtc_date_offset(optarg, 1);
3860 case QEMU_OPTION_rtc:
3861 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3866 configure_rtc(opts);
3868 case QEMU_OPTION_tb_size:
3870 error_report("TCG is disabled");
3873 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3874 error_report("Invalid argument to -tb-size");
3878 case QEMU_OPTION_icount:
3879 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3885 case QEMU_OPTION_incoming:
3887 runstate_set(RUN_STATE_INMIGRATE);
3891 case QEMU_OPTION_only_migratable:
3893 * TODO: we can remove this option one day, and we
3896 * "-global migration.only-migratable=true"
3898 qemu_global_option("migration.only-migratable=true");
3900 case QEMU_OPTION_nodefaults:
3903 case QEMU_OPTION_xen_domid:
3904 if (!(xen_available())) {
3905 error_report("Option not supported for this target");
3908 xen_domid = atoi(optarg);
3910 case QEMU_OPTION_xen_create:
3911 if (!(xen_available())) {
3912 error_report("Option not supported for this target");
3915 xen_mode = XEN_CREATE;
3917 case QEMU_OPTION_xen_attach:
3918 if (!(xen_available())) {
3919 error_report("Option not supported for this target");
3922 xen_mode = XEN_ATTACH;
3924 case QEMU_OPTION_xen_domid_restrict:
3925 if (!(xen_available())) {
3926 error_report("Option not supported for this target");
3929 xen_domid_restrict = true;
3931 case QEMU_OPTION_trace:
3933 trace_file = trace_opt_parse(optarg);
3935 case QEMU_OPTION_readconfig:
3937 int ret = qemu_read_config_file(optarg);
3939 error_report("read config %s: %s", optarg,
3945 case QEMU_OPTION_spice:
3946 olist = qemu_find_opts("spice");
3948 error_report("spice support is disabled");
3951 opts = qemu_opts_parse_noisily(olist, optarg, false);
3957 case QEMU_OPTION_writeconfig:
3960 if (strcmp(optarg, "-") == 0) {
3963 fp = fopen(optarg, "w");
3965 error_report("open %s: %s", optarg,
3970 qemu_config_write(fp);
3976 case QEMU_OPTION_qtest:
3977 qtest_chrdev = optarg;
3979 case QEMU_OPTION_qtest_log:
3982 case QEMU_OPTION_sandbox:
3983 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3989 case QEMU_OPTION_add_fd:
3991 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3997 error_report("File descriptor passing is disabled on this "
4002 case QEMU_OPTION_object:
4003 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4009 case QEMU_OPTION_realtime:
4010 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4015 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4017 case QEMU_OPTION_msg:
4018 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4023 configure_msg(opts);
4025 case QEMU_OPTION_dump_vmstate:
4026 if (vmstate_dump_file) {
4027 error_report("only one '-dump-vmstate' "
4028 "option may be given");
4031 vmstate_dump_file = fopen(optarg, "w");
4032 if (vmstate_dump_file == NULL) {
4033 error_report("open %s: %s", optarg, strerror(errno));
4037 case QEMU_OPTION_nodefconfig:
4038 case QEMU_OPTION_nouserconfig:
4039 /* Nothing to be parsed here. Especially, do not error out below. */
4042 if (os_parse_cmd_args(popt->index, optarg)) {
4043 error_report("Option not supported in this build");
4050 * Clear error location left behind by the loop.
4051 * Best done right after the loop. Do not insert code here!
4055 replay_configure(icount_opts);
4057 if (incoming && !preconfig_exit_requested) {
4058 error_report("'preconfig' and 'incoming' options are "
4059 "mutually exclusive");
4063 machine_class = select_machine();
4065 set_memory_options(&ram_slots, &maxram_size, machine_class);
4068 rcu_disable_atfork();
4070 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4071 error_report("could not acquire pid file: %s", strerror(errno));
4075 if (qemu_init_main_loop(&main_loop_err)) {
4076 error_report_err(main_loop_err);
4080 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4081 parse_sandbox, NULL, NULL)) {
4085 if (qemu_opts_foreach(qemu_find_opts("name"),
4086 parse_name, NULL, NULL)) {
4091 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4092 parse_add_fd, NULL, NULL)) {
4096 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4097 cleanup_add_fd, NULL, NULL)) {
4102 current_machine = MACHINE(object_new(object_class_get_name(
4103 OBJECT_CLASS(machine_class))));
4104 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4107 object_property_add_child(object_get_root(), "machine",
4108 OBJECT(current_machine), &error_abort);
4110 if (machine_class->minimum_page_bits) {
4111 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4112 /* This would be a board error: specifying a minimum smaller than
4113 * a target's compile-time fixed setting.
4115 g_assert_not_reached();
4119 cpu_exec_init_all();
4121 if (machine_class->hw_version) {
4122 qemu_set_hw_version(machine_class->hw_version);
4125 if (cpu_model && is_help_option(cpu_model)) {
4126 list_cpus(stdout, &fprintf, cpu_model);
4130 if (!trace_init_backends()) {
4133 trace_init_file(trace_file);
4135 /* Open the logfile at this point and set the log mask if necessary.
4138 qemu_set_log_filename(log_file, &error_fatal);
4143 mask = qemu_str_to_log_mask(log_mask);
4145 qemu_print_log_usage(stdout);
4153 /* add configured firmware directories */
4154 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4155 for (i = 0; dirs[i] != NULL; i++) {
4156 qemu_add_data_dir(dirs[i]);
4160 /* try to find datadir relative to the executable path */
4161 dir = os_find_datadir();
4162 qemu_add_data_dir(dir);
4165 /* add the datadir specified when building */
4166 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4168 /* -L help lists the data directories and exits. */
4169 if (list_data_dirs) {
4170 for (i = 0; i < data_dir_idx; i++) {
4171 printf("%s\n", data_dir[i]);
4176 /* machine_class: default to UP */
4177 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4178 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4179 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4181 /* default to machine_class->default_cpus */
4182 smp_cpus = machine_class->default_cpus;
4183 max_cpus = machine_class->default_cpus;
4185 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4187 /* sanity-check smp_cpus and max_cpus against machine_class */
4188 if (smp_cpus < machine_class->min_cpus) {
4189 error_report("Invalid SMP CPUs %d. The min CPUs "
4190 "supported by machine '%s' is %d", smp_cpus,
4191 machine_class->name, machine_class->min_cpus);
4194 if (max_cpus > machine_class->max_cpus) {
4195 error_report("Invalid SMP CPUs %d. The max CPUs "
4196 "supported by machine '%s' is %d", max_cpus,
4197 machine_class->name, machine_class->max_cpus);
4202 * Get the default machine options from the machine if it is not already
4203 * specified either by the configuration file or by the command line.
4205 if (machine_class->default_machine_opts) {
4206 qemu_opts_set_defaults(qemu_find_opts("machine"),
4207 machine_class->default_machine_opts, 0);
4210 qemu_opts_foreach(qemu_find_opts("device"),
4211 default_driver_check, NULL, NULL);
4212 qemu_opts_foreach(qemu_find_opts("global"),
4213 default_driver_check, NULL, NULL);
4215 if (!vga_model && !default_vga) {
4216 vga_interface_type = VGA_DEVICE;
4218 if (!has_defaults || machine_class->no_serial) {
4221 if (!has_defaults || machine_class->no_parallel) {
4222 default_parallel = 0;
4224 if (!has_defaults || !machine_class->use_virtcon) {
4225 default_virtcon = 0;
4227 if (!has_defaults || machine_class->no_floppy) {
4230 if (!has_defaults || machine_class->no_cdrom) {
4233 if (!has_defaults || machine_class->no_sdcard) {
4236 if (!has_defaults) {
4237 default_monitor = 0;
4242 if (is_daemonized()) {
4243 /* According to documentation and historically, -nographic redirects
4244 * serial port, parallel port and monitor to stdio, which does not work
4245 * with -daemonize. We can redirect these to null instead, but since
4246 * -nographic is legacy, let's just error out.
4247 * We disallow -nographic only if all other ports are not redirected
4248 * explicitly, to not break existing legacy setups which uses
4249 * -nographic _and_ redirects all ports explicitly - this is valid
4250 * usage, -nographic is just a no-op in this case.
4253 && (default_parallel || default_serial
4254 || default_monitor || default_virtcon)) {
4255 error_report("-nographic cannot be used with -daemonize");
4258 #ifdef CONFIG_CURSES
4259 if (dpy.type == DISPLAY_TYPE_CURSES) {
4260 error_report("curses display cannot be used with -daemonize");
4267 if (default_parallel)
4268 add_device_config(DEV_PARALLEL, "null");
4269 if (default_serial && default_monitor) {
4270 add_device_config(DEV_SERIAL, "mon:stdio");
4271 } else if (default_virtcon && default_monitor) {
4272 add_device_config(DEV_VIRTCON, "mon:stdio");
4275 add_device_config(DEV_SERIAL, "stdio");
4276 if (default_virtcon)
4277 add_device_config(DEV_VIRTCON, "stdio");
4278 if (default_monitor)
4279 monitor_parse("stdio", "readline", false);
4283 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4284 if (default_parallel)
4285 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4286 if (default_monitor)
4287 monitor_parse("vc:80Cx24C", "readline", false);
4288 if (default_virtcon)
4289 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4292 #if defined(CONFIG_VNC)
4293 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4297 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4298 if (!qemu_display_find_default(&dpy)) {
4299 dpy.type = DISPLAY_TYPE_NONE;
4300 #if defined(CONFIG_VNC)
4301 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4305 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4306 dpy.type = DISPLAY_TYPE_NONE;
4309 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4310 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4311 "for SDL, ignoring option");
4313 if (dpy.has_window_close &&
4314 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4315 error_report("-no-quit is only valid for GTK and SDL, "
4319 qemu_display_early_init(&dpy);
4320 qemu_console_early_init();
4322 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4323 #if defined(CONFIG_OPENGL)
4324 error_report("OpenGL is not supported by the display");
4326 error_report("OpenGL support is disabled");
4334 if (qemu_opts_foreach(qemu_find_opts("object"),
4335 user_creatable_add_opts_foreach,
4336 object_create_initial, NULL)) {
4340 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4341 chardev_init_func, NULL, NULL)) {
4345 #ifdef CONFIG_VIRTFS
4346 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4347 fsdev_init_func, NULL, NULL)) {
4352 if (qemu_opts_foreach(qemu_find_opts("device"),
4353 device_help_func, NULL, NULL)) {
4357 machine_opts = qemu_get_machine_opts();
4358 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4360 object_unref(OBJECT(current_machine));
4364 configure_accelerator(current_machine);
4367 * Register all the global properties, including accel properties,
4368 * machine properties, and user-specified ones.
4370 register_global_properties(current_machine);
4373 * Migration object can only be created after global properties
4374 * are applied correctly.
4376 migration_object_init();
4379 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4382 machine_opts = qemu_get_machine_opts();
4383 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4384 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4385 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4386 bios_name = qemu_opt_get(machine_opts, "firmware");
4388 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4390 boot_order = qemu_opt_get(opts, "order");
4392 validate_bootdevices(boot_order, &error_fatal);
4395 boot_once = qemu_opt_get(opts, "once");
4397 validate_bootdevices(boot_once, &error_fatal);
4400 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4401 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4405 boot_order = machine_class->default_boot_order;
4408 if (!kernel_cmdline) {
4409 kernel_cmdline = "";
4410 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4413 linux_boot = (kernel_filename != NULL);
4415 if (!linux_boot && *kernel_cmdline != '\0') {
4416 error_report("-append only allowed with -kernel option");
4420 if (!linux_boot && initrd_filename != NULL) {
4421 error_report("-initrd only allowed with -kernel option");
4425 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4426 /* fall back to the -kernel/-append */
4427 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4430 os_set_line_buffering();
4432 /* spice needs the timers to be initialized by this point */
4437 if (!tcg_enabled()) {
4438 error_report("-icount is not allowed with hardware virtualization");
4441 configure_icount(icount_opts, &error_abort);
4442 qemu_opts_del(icount_opts);
4445 if (tcg_enabled()) {
4446 qemu_tcg_configure(accel_opts, &error_fatal);
4450 QemuOptsList *net = qemu_find_opts("net");
4451 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4453 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4459 if (net_init_clients(&err) < 0) {
4460 error_report_err(err);
4464 if (qemu_opts_foreach(qemu_find_opts("object"),
4465 user_creatable_add_opts_foreach,
4466 object_create_delayed, NULL)) {
4470 if (tpm_init() < 0) {
4474 /* init the bluetooth world */
4475 if (foreach_device_config(DEV_BT, bt_parse))
4478 if (!xen_enabled()) {
4479 /* On 32-bit hosts, QEMU is limited by virtual address space */
4480 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4481 error_report("at most 2047 MB RAM can be simulated");
4488 dirty_bitmap_mig_init();
4490 /* If the currently selected machine wishes to override the units-per-bus
4491 * property of its default HBA interface type, do so now. */
4492 if (machine_class->units_per_default_bus) {
4493 override_max_devs(machine_class->block_default_type,
4494 machine_class->units_per_default_bus);
4497 /* open the virtual block devices */
4498 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4499 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4501 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4502 loc_push_restore(&bdo->loc);
4503 qmp_blockdev_add(bdo->bdo, &error_fatal);
4505 qapi_free_BlockdevOptions(bdo->bdo);
4508 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4509 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4512 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4513 &machine_class->block_default_type, NULL)) {
4517 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4519 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4520 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4523 * Note: qtest_enabled() (which is used in monitor_qapi_event_init())
4524 * depends on configure_accelerator() above.
4526 monitor_init_globals();
4528 if (qemu_opts_foreach(qemu_find_opts("mon"),
4529 mon_init_func, NULL, NULL)) {
4533 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4535 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4537 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4539 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4542 /* If no default VGA is requested, the default is "none". */
4544 if (machine_class->default_display) {
4545 vga_model = machine_class->default_display;
4546 } else if (vga_interface_available(VGA_CIRRUS)) {
4547 vga_model = "cirrus";
4548 } else if (vga_interface_available(VGA_STD)) {
4553 select_vgahw(vga_model);
4557 i = select_watchdog(watchdog);
4559 exit (i == 1 ? 1 : 0);
4562 /* This checkpoint is required by replay to separate prior clock
4563 reading from the other reads, because timer polling functions query
4564 clock values from the log. */
4565 replay_checkpoint(CHECKPOINT_INIT);
4566 qdev_machine_init();
4568 current_machine->ram_size = ram_size;
4569 current_machine->maxram_size = maxram_size;
4570 current_machine->ram_slots = ram_slots;
4571 current_machine->boot_order = boot_order;
4573 /* parse features once if machine provides default cpu_type */
4574 current_machine->cpu_type = machine_class->default_cpu_type;
4576 current_machine->cpu_type = parse_cpu_model(cpu_model);
4578 parse_numa_opts(current_machine);
4580 /* do monitor/qmp handling at preconfig state if requested */
4583 /* from here on runstate is RUN_STATE_PRELAUNCH */
4584 machine_run_board_init(current_machine);
4590 if (hax_enabled()) {
4594 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4595 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4599 /* init USB devices */
4600 if (machine_usb(current_machine)) {
4601 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4605 /* Check if IGD GFX passthrough. */
4608 /* init generic devices */
4609 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4610 if (qemu_opts_foreach(qemu_find_opts("device"),
4611 device_init_func, NULL, NULL)) {
4615 cpu_synchronize_all_post_init();
4617 rom_reset_order_override();
4619 /* Did we create any drives that we failed to create a device for? */
4620 drive_check_orphaned();
4622 /* Don't warn about the default network setup that you get if
4623 * no command line -net or -netdev options are specified. There
4624 * are two cases that we would otherwise complain about:
4625 * (1) board doesn't support a NIC but the implicit "-net nic"
4627 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4628 * sets up a nic that isn't connected to anything.
4631 net_check_clients();
4636 qemu_boot_set(boot_once, &error_fatal);
4637 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4640 /* init local displays */
4641 ds = init_displaystate();
4642 qemu_display_init(ds, &dpy);
4644 /* must be after terminal init, SDL library changes signal handlers */
4645 os_setup_signal_handling();
4647 /* init remote displays */
4649 qemu_opts_foreach(qemu_find_opts("vnc"),
4650 vnc_init_func, NULL, NULL);
4654 qemu_spice_display_init();
4657 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4661 qdev_machine_creation_done();
4663 /* TODO: once all bus devices are qdevified, this should be done
4664 * when bus is created by qdev.c */
4665 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4666 qemu_run_machine_init_done_notifiers();
4668 if (rom_check_and_register_reset() != 0) {
4669 error_report("rom check and register reset failed");
4675 /* This checkpoint is required by replay to separate prior clock
4676 reading from the other reads, because timer polling functions query
4677 clock values from the log. */
4678 replay_checkpoint(CHECKPOINT_RESET);
4679 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4680 register_global_state();
4681 if (replay_mode != REPLAY_MODE_NONE) {
4682 replay_vmstate_init();
4683 } else if (loadvm) {
4684 Error *local_err = NULL;
4685 if (load_snapshot(loadvm, &local_err) < 0) {
4686 error_report_err(local_err);
4691 qdev_prop_check_globals();
4692 if (vmstate_dump_file) {
4694 dump_vmstate_json_to_file(vmstate_dump_file);
4699 Error *local_err = NULL;
4700 qemu_start_incoming_migration(incoming, &local_err);
4702 error_reportf_err(local_err, "-incoming %s: ", incoming);
4705 } else if (autostart) {
4709 accel_setup_post(current_machine);
4714 gdbserver_cleanup();
4716 /* No more vcpu or device emulation activity beyond this point */
4719 job_cancel_sync_all();
4724 /* vhost-user must be cleaned up before chardevs. */
4730 user_creatable_cleanup();
4731 migration_object_finalize();
4732 /* TODO: unref root container, check all devices are ok */