4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
40 return qemu_main(argc, argv, NULL);
43 #define main qemu_main
45 #endif /* CONFIG_SDL */
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
103 #include "fsdev/qemu-fsdev.h"
105 #include "sysemu/qtest.h"
107 #include "disas/disas.h"
110 #include "slirp/libslirp.h"
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qapi-commands-ui.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
135 #define MAX_VIRTIO_CONSOLES 1
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
142 const char* keyboard_layout = NULL;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 bool enable_cpu_pm = false;
149 NICInfo nd_table[MAX_NICS];
155 } rtc_base_type = RTC_BASE_UTC;
156 static time_t rtc_ref_start_datetime;
157 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset = -1; /* valid & used only with
160 QEMUClockType rtc_clock;
161 int vga_interface_type = VGA_NONE;
162 static DisplayOptions dpy;
164 static int num_serial_hds;
165 static Chardev **serial_hds;
166 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
167 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
168 int win2k_install_hack = 0;
171 unsigned int max_cpus;
174 int acpi_enabled = 1;
177 static int no_reboot;
180 int graphic_rotate = 0;
181 const char *watchdog;
182 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
185 const char *qemu_name;
188 unsigned int nb_prom_envs = 0;
189 const char *prom_envs[MAX_PROM_ENVS];
192 uint8_t *boot_splash_filedata;
193 size_t boot_splash_filedata_size;
194 uint8_t qemu_extra_params_fw[2];
195 bool wakeup_suspend_enabled;
197 int icount_align_option;
199 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
200 * little-endian "wire format" described in the SMBIOS 2.6 specification.
205 static NotifierList exit_notifiers =
206 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
208 static NotifierList machine_init_done_notifiers =
209 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213 enum xen_mode xen_mode = XEN_EMULATE;
214 bool xen_domid_restrict;
216 static int has_defaults = 1;
217 static int default_serial = 1;
218 static int default_parallel = 1;
219 static int default_virtcon = 1;
220 static int default_monitor = 1;
221 static int default_floppy = 1;
222 static int default_cdrom = 1;
223 static int default_sdcard = 1;
224 static int default_vga = 1;
225 static int default_net = 1;
231 { .driver = "isa-serial", .flag = &default_serial },
232 { .driver = "isa-parallel", .flag = &default_parallel },
233 { .driver = "isa-fdc", .flag = &default_floppy },
234 { .driver = "floppy", .flag = &default_floppy },
235 { .driver = "ide-cd", .flag = &default_cdrom },
236 { .driver = "ide-hd", .flag = &default_cdrom },
237 { .driver = "ide-drive", .flag = &default_cdrom },
238 { .driver = "scsi-cd", .flag = &default_cdrom },
239 { .driver = "scsi-hd", .flag = &default_cdrom },
240 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
241 { .driver = "virtio-serial", .flag = &default_virtcon },
242 { .driver = "VGA", .flag = &default_vga },
243 { .driver = "isa-vga", .flag = &default_vga },
244 { .driver = "cirrus-vga", .flag = &default_vga },
245 { .driver = "isa-cirrus-vga", .flag = &default_vga },
246 { .driver = "vmware-svga", .flag = &default_vga },
247 { .driver = "qxl-vga", .flag = &default_vga },
248 { .driver = "virtio-vga", .flag = &default_vga },
251 static QemuOptsList qemu_rtc_opts = {
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
258 .type = QEMU_OPT_STRING,
261 .type = QEMU_OPT_STRING,
264 .type = QEMU_OPT_STRING,
266 { /* end of list */ }
270 static QemuOptsList qemu_option_rom_opts = {
271 .name = "option-rom",
272 .implied_opt_name = "romfile",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
277 .type = QEMU_OPT_NUMBER,
280 .type = QEMU_OPT_STRING,
282 { /* end of list */ }
286 static QemuOptsList qemu_machine_opts = {
288 .implied_opt_name = "type",
290 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
293 * no elements => accept any
294 * sanity checking will happen later
295 * when setting machine properties
301 static QemuOptsList qemu_accel_opts = {
303 .implied_opt_name = "accel",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
309 .type = QEMU_OPT_STRING,
310 .help = "Select the type of accelerator",
314 .type = QEMU_OPT_STRING,
315 .help = "Enable/disable multi-threaded TCG",
317 { /* end of list */ }
321 static QemuOptsList qemu_boot_opts = {
323 .implied_opt_name = "order",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
329 .type = QEMU_OPT_STRING,
332 .type = QEMU_OPT_STRING,
335 .type = QEMU_OPT_BOOL,
338 .type = QEMU_OPT_STRING,
340 .name = "splash-time",
341 .type = QEMU_OPT_STRING,
343 .name = "reboot-timeout",
344 .type = QEMU_OPT_STRING,
347 .type = QEMU_OPT_BOOL,
353 static QemuOptsList qemu_add_fd_opts = {
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
359 .type = QEMU_OPT_NUMBER,
360 .help = "file descriptor of which a duplicate is added to fd set",
363 .type = QEMU_OPT_NUMBER,
364 .help = "ID of the fd set to add fd to",
367 .type = QEMU_OPT_STRING,
368 .help = "free-form string used to describe fd",
370 { /* end of list */ }
374 static QemuOptsList qemu_object_opts = {
376 .implied_opt_name = "qom-type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
383 static QemuOptsList qemu_tpmdev_opts = {
385 .implied_opt_name = "type",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
388 /* options are defined in the TPM backends */
389 { /* end of list */ }
393 static QemuOptsList qemu_realtime_opts = {
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
399 .type = QEMU_OPT_BOOL,
401 { /* end of list */ }
405 static QemuOptsList qemu_overcommit_opts = {
406 .name = "overcommit",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
411 .type = QEMU_OPT_BOOL,
415 .type = QEMU_OPT_BOOL,
417 { /* end of list */ }
421 static QemuOptsList qemu_msg_opts = {
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
427 .type = QEMU_OPT_BOOL,
429 { /* end of list */ }
433 static QemuOptsList qemu_name_opts = {
435 .implied_opt_name = "guest",
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
441 .type = QEMU_OPT_STRING,
442 .help = "Sets the name of the guest.\n"
443 "This name will be displayed in the SDL window caption.\n"
444 "The name will also be used for the VNC server",
447 .type = QEMU_OPT_STRING,
448 .help = "Sets the name of the QEMU process, as shown in top etc",
450 .name = "debug-threads",
451 .type = QEMU_OPT_BOOL,
452 .help = "When enabled, name the individual threads; defaults off.\n"
453 "NOTE: The thread names are for debugging and not a\n"
456 { /* End of list */ }
460 static QemuOptsList qemu_mem_opts = {
462 .implied_opt_name = "size",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
468 .type = QEMU_OPT_SIZE,
472 .type = QEMU_OPT_NUMBER,
476 .type = QEMU_OPT_SIZE,
478 { /* end of list */ }
482 static QemuOptsList qemu_icount_opts = {
484 .implied_opt_name = "shift",
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
490 .type = QEMU_OPT_STRING,
493 .type = QEMU_OPT_BOOL,
496 .type = QEMU_OPT_BOOL,
499 .type = QEMU_OPT_STRING,
502 .type = QEMU_OPT_STRING,
504 .name = "rrsnapshot",
505 .type = QEMU_OPT_STRING,
507 { /* end of list */ }
511 static QemuOptsList qemu_semihosting_config_opts = {
512 .name = "semihosting-config",
513 .implied_opt_name = "enable",
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
518 .type = QEMU_OPT_BOOL,
521 .type = QEMU_OPT_STRING,
524 .type = QEMU_OPT_STRING,
526 { /* end of list */ }
530 static QemuOptsList qemu_fw_cfg_opts = {
532 .implied_opt_name = "name",
533 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
537 .type = QEMU_OPT_STRING,
538 .help = "Sets the fw_cfg name of the blob to be inserted",
541 .type = QEMU_OPT_STRING,
542 .help = "Sets the name of the file from which "
543 "the fw_cfg blob will be loaded",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets content of the blob to be inserted from a string",
549 { /* end of list */ }
554 * Get machine options
556 * Returns: machine options (never null).
558 QemuOpts *qemu_get_machine_opts(void)
560 return qemu_find_opts_singleton("machine");
563 const char *qemu_get_vm_name(void)
568 static void res_free(void)
570 g_free(boot_splash_filedata);
571 boot_splash_filedata = NULL;
574 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
576 const char *driver = qemu_opt_get(opts, "driver");
581 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
582 if (strcmp(default_list[i].driver, driver) != 0)
584 *(default_list[i].flag) = 0;
589 /***********************************************************/
592 static RunState current_run_state = RUN_STATE_PRECONFIG;
594 /* We use RUN_STATE__MAX but any invalid value will do */
595 static RunState vmstop_requested = RUN_STATE__MAX;
596 static QemuMutex vmstop_lock;
601 } RunStateTransition;
603 static const RunStateTransition runstate_transitions_def[] = {
605 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
606 /* Early switch to inmigrate state to allow -incoming CLI option work
607 * as it used to. TODO: delay actual switching to inmigrate state to
608 * the point after machine is built and remove this hack.
610 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
613 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
617 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
618 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
619 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
620 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
621 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
623 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
626 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
627 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
633 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
634 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
637 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
638 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
640 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
641 { RUN_STATE_PAUSED, RUN_STATE_COLO},
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
648 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
657 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
658 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
660 { RUN_STATE_COLO, RUN_STATE_RUNNING },
662 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
663 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
664 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
665 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
666 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
668 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
669 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
670 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
671 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
672 { RUN_STATE_RUNNING, RUN_STATE_COLO},
674 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
677 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
681 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
682 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
683 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
685 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
687 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
688 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
689 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
690 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
696 { RUN_STATE__MAX, RUN_STATE__MAX },
699 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
701 bool runstate_check(RunState state)
703 return current_run_state == state;
706 bool runstate_store(char *str, size_t size)
708 const char *state = RunState_str(current_run_state);
709 size_t len = strlen(state) + 1;
714 memcpy(str, state, len);
718 static void runstate_init(void)
720 const RunStateTransition *p;
722 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
723 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
724 runstate_valid_transitions[p->from][p->to] = true;
727 qemu_mutex_init(&vmstop_lock);
730 /* This function will abort() on invalid state transitions */
731 void runstate_set(RunState new_state)
733 assert(new_state < RUN_STATE__MAX);
735 if (current_run_state == new_state) {
739 if (!runstate_valid_transitions[current_run_state][new_state]) {
740 error_report("invalid runstate transition: '%s' -> '%s'",
741 RunState_str(current_run_state),
742 RunState_str(new_state));
745 trace_runstate_set(new_state);
746 current_run_state = new_state;
749 int runstate_is_running(void)
751 return runstate_check(RUN_STATE_RUNNING);
754 bool runstate_needs_reset(void)
756 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
757 runstate_check(RUN_STATE_SHUTDOWN);
760 StatusInfo *qmp_query_status(Error **errp)
762 StatusInfo *info = g_malloc0(sizeof(*info));
764 info->running = runstate_is_running();
765 info->singlestep = singlestep;
766 info->status = current_run_state;
771 bool qemu_vmstop_requested(RunState *r)
773 qemu_mutex_lock(&vmstop_lock);
774 *r = vmstop_requested;
775 vmstop_requested = RUN_STATE__MAX;
776 qemu_mutex_unlock(&vmstop_lock);
777 return *r < RUN_STATE__MAX;
780 void qemu_system_vmstop_request_prepare(void)
782 qemu_mutex_lock(&vmstop_lock);
785 void qemu_system_vmstop_request(RunState state)
787 vmstop_requested = state;
788 qemu_mutex_unlock(&vmstop_lock);
792 /***********************************************************/
793 /* RTC reference time/date access */
794 static time_t qemu_ref_timedate(QEMUClockType clock)
796 time_t value = qemu_clock_get_ms(clock) / 1000;
798 case QEMU_CLOCK_REALTIME:
799 value -= rtc_realtime_clock_offset;
801 case QEMU_CLOCK_VIRTUAL:
802 value += rtc_ref_start_datetime;
804 case QEMU_CLOCK_HOST:
805 if (rtc_base_type == RTC_BASE_DATETIME) {
806 value -= rtc_host_datetime_offset;
815 void qemu_get_timedate(struct tm *tm, int offset)
817 time_t ti = qemu_ref_timedate(rtc_clock);
821 switch (rtc_base_type) {
822 case RTC_BASE_DATETIME:
826 case RTC_BASE_LOCALTIME:
827 localtime_r(&ti, tm);
832 int qemu_timedate_diff(struct tm *tm)
836 switch (rtc_base_type) {
837 case RTC_BASE_DATETIME:
839 seconds = mktimegm(tm);
841 case RTC_BASE_LOCALTIME:
844 tmp.tm_isdst = -1; /* use timezone to figure it out */
845 seconds = mktime(&tmp);
852 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
855 static void configure_rtc_base_datetime(const char *startdate)
857 time_t rtc_start_datetime;
860 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
861 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
863 } else if (sscanf(startdate, "%d-%d-%d",
864 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
873 rtc_start_datetime = mktimegm(&tm);
874 if (rtc_start_datetime == -1) {
876 error_report("invalid datetime format");
877 error_printf("valid formats: "
878 "'2006-06-17T16:01:21' or '2006-06-17'\n");
881 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
882 rtc_ref_start_datetime = rtc_start_datetime;
885 static void configure_rtc(QemuOpts *opts)
890 rtc_clock = QEMU_CLOCK_HOST;
891 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
892 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
894 value = qemu_opt_get(opts, "base");
896 if (!strcmp(value, "utc")) {
897 rtc_base_type = RTC_BASE_UTC;
898 } else if (!strcmp(value, "localtime")) {
899 Error *blocker = NULL;
900 rtc_base_type = RTC_BASE_LOCALTIME;
901 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
902 "-rtc base=localtime");
903 replay_add_blocker(blocker);
905 rtc_base_type = RTC_BASE_DATETIME;
906 configure_rtc_base_datetime(value);
909 value = qemu_opt_get(opts, "clock");
911 if (!strcmp(value, "host")) {
912 rtc_clock = QEMU_CLOCK_HOST;
913 } else if (!strcmp(value, "rt")) {
914 rtc_clock = QEMU_CLOCK_REALTIME;
915 } else if (!strcmp(value, "vm")) {
916 rtc_clock = QEMU_CLOCK_VIRTUAL;
918 error_report("invalid option value '%s'", value);
922 value = qemu_opt_get(opts, "driftfix");
924 if (!strcmp(value, "slew")) {
925 static GlobalProperty slew_lost_ticks = {
926 .driver = "mc146818rtc",
927 .property = "lost_tick_policy",
931 qdev_prop_register_global(&slew_lost_ticks);
932 } else if (!strcmp(value, "none")) {
933 /* discard is default */
935 error_report("invalid option value '%s'", value);
941 /***********************************************************/
942 /* Bluetooth support */
945 static struct HCIInfo *hci_table[MAX_NICS];
947 struct HCIInfo *qemu_next_hci(void)
949 if (cur_hci == nb_hcis)
952 return hci_table[cur_hci++];
955 static int bt_hci_parse(const char *str)
960 if (nb_hcis >= MAX_NICS) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
974 bdaddr.b[5] = 0x56 + nb_hcis;
975 hci->bdaddr_set(hci, bdaddr.b);
977 hci_table[nb_hcis++] = hci;
982 static void bt_vhci_add(int vlan_id)
984 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
987 warn_report("adding a VHCI to an empty scatternet %i",
990 bt_vhci_init(bt_new_hci(vlan));
993 static struct bt_device_s *bt_device_add(const char *opt)
995 struct bt_scatternet_s *vlan;
997 char *endp = strstr(opt, ",vlan=");
998 int len = (endp ? endp - opt : strlen(opt)) + 1;
1001 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1004 vlan_id = strtol(endp + 6, &endp, 0);
1006 error_report("unrecognised bluetooth vlan Id");
1011 vlan = qemu_find_bt_vlan(vlan_id);
1014 warn_report("adding a slave device to an empty scatternet %i",
1017 if (!strcmp(devname, "keyboard"))
1018 return bt_keyboard_init(vlan);
1020 error_report("unsupported bluetooth device '%s'", devname);
1024 static int bt_parse(const char *opt)
1026 const char *endp, *p;
1029 if (strstart(opt, "hci", &endp)) {
1030 if (!*endp || *endp == ',') {
1032 if (!strstart(endp, ",vlan=", 0))
1035 return bt_hci_parse(opt);
1037 } else if (strstart(opt, "vhci", &endp)) {
1038 if (!*endp || *endp == ',') {
1040 if (strstart(endp, ",vlan=", &p)) {
1041 vlan = strtol(p, (char **) &endp, 0);
1043 error_report("bad scatternet '%s'", p);
1047 error_report("bad parameter '%s'", endp + 1);
1056 } else if (strstart(opt, "device:", &endp))
1057 return !bt_device_add(endp);
1059 error_report("bad bluetooth parameter '%s'", opt);
1063 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1065 const char *proc_name;
1067 if (qemu_opt_get(opts, "debug-threads")) {
1068 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1070 qemu_name = qemu_opt_get(opts, "guest");
1072 proc_name = qemu_opt_get(opts, "process");
1074 os_set_proc_name(proc_name);
1080 bool defaults_enabled(void)
1082 return has_defaults;
1086 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1088 int fd, dupfd, flags;
1090 const char *fd_opaque = NULL;
1093 fd = qemu_opt_get_number(opts, "fd", -1);
1094 fdset_id = qemu_opt_get_number(opts, "set", -1);
1095 fd_opaque = qemu_opt_get(opts, "opaque");
1098 error_setg(errp, "fd option is required and must be non-negative");
1102 if (fd <= STDERR_FILENO) {
1103 error_setg(errp, "fd cannot be a standard I/O stream");
1108 * All fds inherited across exec() necessarily have FD_CLOEXEC
1109 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1111 flags = fcntl(fd, F_GETFD);
1112 if (flags == -1 || (flags & FD_CLOEXEC)) {
1113 error_setg(errp, "fd is not valid or already in use");
1118 error_setg(errp, "set option is required and must be non-negative");
1122 #ifdef F_DUPFD_CLOEXEC
1123 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1127 qemu_set_cloexec(dupfd);
1131 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1135 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1136 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1143 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1147 fd = qemu_opt_get_number(opts, "fd", -1);
1154 /***********************************************************/
1155 /* QEMU Block devices */
1157 #define HD_OPTS "media=disk"
1158 #define CDROM_OPTS "media=cdrom"
1160 #define PFLASH_OPTS ""
1164 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1166 BlockInterfaceType *block_default_type = opaque;
1168 return drive_new(opts, *block_default_type, errp) == NULL;
1171 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1173 if (qemu_opt_get(opts, "snapshot") == NULL) {
1174 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1179 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1180 int index, const char *optstr)
1185 if (!enable || drive_get_by_index(type, index)) {
1189 opts = drive_add(type, index, NULL, optstr);
1191 drive_enable_snapshot(NULL, opts, NULL);
1194 dinfo = drive_new(opts, type, &error_abort);
1195 dinfo->is_default = true;
1199 static QemuOptsList qemu_smp_opts = {
1201 .implied_opt_name = "cpus",
1202 .merge_lists = true,
1203 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1207 .type = QEMU_OPT_NUMBER,
1210 .type = QEMU_OPT_NUMBER,
1213 .type = QEMU_OPT_NUMBER,
1216 .type = QEMU_OPT_NUMBER,
1219 .type = QEMU_OPT_NUMBER,
1221 { /*End of list */ }
1225 static void smp_parse(QemuOpts *opts)
1228 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1229 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1230 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1231 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1233 /* compute missing values, prefer sockets over cores over threads */
1234 if (cpus == 0 || sockets == 0) {
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1238 sockets = sockets > 0 ? sockets : 1;
1239 cpus = cores * threads * sockets;
1241 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1242 sockets = max_cpus / (cores * threads);
1244 } else if (cores == 0) {
1245 threads = threads > 0 ? threads : 1;
1246 cores = cpus / (sockets * threads);
1247 cores = cores > 0 ? cores : 1;
1248 } else if (threads == 0) {
1249 threads = cpus / (cores * sockets);
1250 threads = threads > 0 ? threads : 1;
1251 } else if (sockets * cores * threads < cpus) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) < "
1255 sockets, cores, threads, cpus);
1259 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1261 if (max_cpus < cpus) {
1262 error_report("maxcpus must be equal to or greater than smp");
1266 if (sockets * cores * threads > max_cpus) {
1267 error_report("cpu topology: "
1268 "sockets (%u) * cores (%u) * threads (%u) > "
1270 sockets, cores, threads, max_cpus);
1274 if (sockets * cores * threads != max_cpus) {
1275 warn_report("Invalid CPU topology deprecated: "
1276 "sockets (%u) * cores (%u) * threads (%u) "
1278 sockets, cores, threads, max_cpus);
1283 smp_threads = threads;
1287 Error *blocker = NULL;
1288 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1289 replay_add_blocker(blocker);
1293 static void realtime_init(void)
1296 if (os_mlock() < 0) {
1297 error_report("locking memory failed");
1304 static void configure_msg(QemuOpts *opts)
1306 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1309 /***********************************************************/
1312 typedef struct SemihostingConfig {
1314 SemihostingTarget target;
1317 const char *cmdline; /* concatenated argv */
1318 } SemihostingConfig;
1320 static SemihostingConfig semihosting;
1322 bool semihosting_enabled(void)
1324 return semihosting.enabled;
1327 SemihostingTarget semihosting_get_target(void)
1329 return semihosting.target;
1332 const char *semihosting_get_arg(int i)
1334 if (i >= semihosting.argc) {
1337 return semihosting.argv[i];
1340 int semihosting_get_argc(void)
1342 return semihosting.argc;
1345 const char *semihosting_get_cmdline(void)
1347 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1348 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1350 return semihosting.cmdline;
1353 static int add_semihosting_arg(void *opaque,
1354 const char *name, const char *val,
1357 SemihostingConfig *s = opaque;
1358 if (strcmp(name, "arg") == 0) {
1360 /* one extra element as g_strjoinv() expects NULL-terminated array */
1361 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1362 s->argv[s->argc - 1] = val;
1363 s->argv[s->argc] = NULL;
1368 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1369 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1374 add_semihosting_arg(&semihosting, "arg", file, NULL);
1376 /* split -append and initialize argv[1..n] */
1377 cmd_token = strtok(g_strdup(cmd), " ");
1379 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1380 cmd_token = strtok(NULL, " ");
1384 /* Now we still need this for compatibility with XEN. */
1385 bool has_igd_gfx_passthru;
1386 static void igd_gfx_passthru(void)
1388 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1391 /***********************************************************/
1394 static int usb_device_add(const char *devname)
1396 USBDevice *dev = NULL;
1398 if (!machine_usb(current_machine)) {
1402 dev = usbdevice_create(devname);
1409 static int usb_parse(const char *cmdline)
1412 r = usb_device_add(cmdline);
1414 error_report("could not add USB device '%s'", cmdline);
1419 /***********************************************************/
1420 /* machine registration */
1422 MachineState *current_machine;
1424 static MachineClass *find_machine(const char *name)
1426 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1427 MachineClass *mc = NULL;
1429 for (el = machines; el; el = el->next) {
1430 MachineClass *temp = el->data;
1432 if (!strcmp(temp->name, name)) {
1437 !strcmp(temp->alias, name)) {
1443 g_slist_free(machines);
1447 MachineClass *find_default_machine(void)
1449 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1450 MachineClass *mc = NULL;
1452 for (el = machines; el; el = el->next) {
1453 MachineClass *temp = el->data;
1455 if (temp->is_default) {
1461 g_slist_free(machines);
1465 MachineInfoList *qmp_query_machines(Error **errp)
1467 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1468 MachineInfoList *mach_list = NULL;
1470 for (el = machines; el; el = el->next) {
1471 MachineClass *mc = el->data;
1472 MachineInfoList *entry;
1475 info = g_malloc0(sizeof(*info));
1476 if (mc->is_default) {
1477 info->has_is_default = true;
1478 info->is_default = true;
1482 info->has_alias = true;
1483 info->alias = g_strdup(mc->alias);
1486 info->name = g_strdup(mc->name);
1487 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1488 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1490 entry = g_malloc0(sizeof(*entry));
1491 entry->value = info;
1492 entry->next = mach_list;
1496 g_slist_free(machines);
1500 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1502 ObjectProperty *prop;
1503 ObjectPropertyIterator iter;
1505 if (!qemu_opt_has_help_opt(opts)) {
1509 object_property_iter_init(&iter, OBJECT(machine));
1510 while ((prop = object_property_iter_next(&iter))) {
1515 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1516 prop->name, prop->type);
1517 if (prop->description) {
1518 error_printf(" (%s)\n", prop->description);
1527 struct vm_change_state_entry {
1528 VMChangeStateHandler *cb;
1530 QLIST_ENTRY (vm_change_state_entry) entries;
1533 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1535 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1538 VMChangeStateEntry *e;
1540 e = g_malloc0(sizeof (*e));
1544 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1548 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1550 QLIST_REMOVE (e, entries);
1554 void vm_state_notify(int running, RunState state)
1556 VMChangeStateEntry *e, *next;
1558 trace_vm_state_notify(running, state);
1560 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1561 e->cb(e->opaque, running, state);
1565 static ShutdownCause reset_requested;
1566 static ShutdownCause shutdown_requested;
1567 static int shutdown_signal;
1568 static pid_t shutdown_pid;
1569 static int powerdown_requested;
1570 static int debug_requested;
1571 static int suspend_requested;
1572 static bool preconfig_exit_requested = true;
1573 static WakeupReason wakeup_reason;
1574 static NotifierList powerdown_notifiers =
1575 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1576 static NotifierList suspend_notifiers =
1577 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1578 static NotifierList wakeup_notifiers =
1579 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1580 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1582 ShutdownCause qemu_shutdown_requested_get(void)
1584 return shutdown_requested;
1587 ShutdownCause qemu_reset_requested_get(void)
1589 return reset_requested;
1592 static int qemu_shutdown_requested(void)
1594 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1597 static void qemu_kill_report(void)
1599 if (!qtest_driver() && shutdown_signal) {
1600 if (shutdown_pid == 0) {
1601 /* This happens for eg ^C at the terminal, so it's worth
1602 * avoiding printing an odd message in that case.
1604 error_report("terminating on signal %d", shutdown_signal);
1606 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1608 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1609 shutdown_signal, shutdown_pid,
1610 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1611 g_free(shutdown_cmd);
1613 shutdown_signal = 0;
1617 static ShutdownCause qemu_reset_requested(void)
1619 ShutdownCause r = reset_requested;
1621 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1622 reset_requested = SHUTDOWN_CAUSE_NONE;
1625 return SHUTDOWN_CAUSE_NONE;
1628 static int qemu_suspend_requested(void)
1630 int r = suspend_requested;
1631 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1632 suspend_requested = 0;
1638 static WakeupReason qemu_wakeup_requested(void)
1640 return wakeup_reason;
1643 static int qemu_powerdown_requested(void)
1645 int r = powerdown_requested;
1646 powerdown_requested = 0;
1650 static int qemu_debug_requested(void)
1652 int r = debug_requested;
1653 debug_requested = 0;
1657 void qemu_exit_preconfig_request(void)
1659 preconfig_exit_requested = true;
1663 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1665 void qemu_system_reset(ShutdownCause reason)
1669 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1671 cpu_synchronize_all_states();
1673 if (mc && mc->reset) {
1676 qemu_devices_reset();
1678 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1679 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1681 cpu_synchronize_all_post_reset();
1684 void qemu_system_guest_panicked(GuestPanicInformation *info)
1686 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1689 current_cpu->crash_occurred = true;
1691 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1693 vm_stop(RUN_STATE_GUEST_PANICKED);
1695 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1697 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1701 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1702 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1703 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1704 info->u.hyper_v.arg1,
1705 info->u.hyper_v.arg2,
1706 info->u.hyper_v.arg3,
1707 info->u.hyper_v.arg4,
1708 info->u.hyper_v.arg5);
1709 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1710 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1711 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1713 S390CrashReason_str(info->u.s390.reason),
1714 info->u.s390.psw_mask,
1715 info->u.s390.psw_addr);
1717 qapi_free_GuestPanicInformation(info);
1721 void qemu_system_reset_request(ShutdownCause reason)
1723 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1724 shutdown_requested = reason;
1726 reset_requested = reason;
1729 qemu_notify_event();
1732 static void qemu_system_suspend(void)
1735 notifier_list_notify(&suspend_notifiers, NULL);
1736 runstate_set(RUN_STATE_SUSPENDED);
1737 qapi_event_send_suspend();
1740 void qemu_system_suspend_request(void)
1742 if (runstate_check(RUN_STATE_SUSPENDED)) {
1745 suspend_requested = 1;
1747 qemu_notify_event();
1750 void qemu_register_suspend_notifier(Notifier *notifier)
1752 notifier_list_add(&suspend_notifiers, notifier);
1755 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1757 trace_system_wakeup_request(reason);
1759 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1761 "Unable to wake up: guest is not in suspended state");
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1775 wakeup_reason_mask |= (1 << reason);
1777 wakeup_reason_mask &= ~(1 << reason);
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1783 notifier_list_add(&wakeup_notifiers, notifier);
1786 void qemu_register_wakeup_support(void)
1788 wakeup_suspend_enabled = true;
1791 bool qemu_wakeup_suspend_enabled(void)
1793 return wakeup_suspend_enabled;
1796 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1798 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1799 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1804 void qemu_system_killed(int signal, pid_t pid)
1806 shutdown_signal = signal;
1810 /* Cannot call qemu_system_shutdown_request directly because
1811 * we are in a signal handler.
1813 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1814 qemu_notify_event();
1817 void qemu_system_shutdown_request(ShutdownCause reason)
1819 trace_qemu_system_shutdown_request(reason);
1820 replay_shutdown_request(reason);
1821 shutdown_requested = reason;
1822 qemu_notify_event();
1825 static void qemu_system_powerdown(void)
1827 qapi_event_send_powerdown();
1828 notifier_list_notify(&powerdown_notifiers, NULL);
1831 void qemu_system_powerdown_request(void)
1833 trace_qemu_system_powerdown_request();
1834 powerdown_requested = 1;
1835 qemu_notify_event();
1838 void qemu_register_powerdown_notifier(Notifier *notifier)
1840 notifier_list_add(&powerdown_notifiers, notifier);
1843 void qemu_system_debug_request(void)
1845 debug_requested = 1;
1846 qemu_notify_event();
1849 static bool main_loop_should_exit(void)
1852 ShutdownCause request;
1854 if (preconfig_exit_requested) {
1855 if (runstate_check(RUN_STATE_PRECONFIG)) {
1856 runstate_set(RUN_STATE_PRELAUNCH);
1858 preconfig_exit_requested = false;
1861 if (qemu_debug_requested()) {
1862 vm_stop(RUN_STATE_DEBUG);
1864 if (qemu_suspend_requested()) {
1865 qemu_system_suspend();
1867 request = qemu_shutdown_requested();
1870 qapi_event_send_shutdown(shutdown_caused_by_guest(request), request);
1872 vm_stop(RUN_STATE_SHUTDOWN);
1877 request = qemu_reset_requested();
1880 qemu_system_reset(request);
1882 if (!runstate_check(RUN_STATE_RUNNING) &&
1883 !runstate_check(RUN_STATE_INMIGRATE)) {
1884 runstate_set(RUN_STATE_PRELAUNCH);
1887 if (qemu_wakeup_requested()) {
1889 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1890 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1891 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1893 qapi_event_send_wakeup();
1895 if (qemu_powerdown_requested()) {
1896 qemu_system_powerdown();
1898 if (qemu_vmstop_requested(&r)) {
1904 static void main_loop(void)
1906 #ifdef CONFIG_PROFILER
1909 while (!main_loop_should_exit()) {
1910 #ifdef CONFIG_PROFILER
1911 ti = profile_getclock();
1913 main_loop_wait(false);
1914 #ifdef CONFIG_PROFILER
1915 dev_time += profile_getclock() - ti;
1920 static void version(void)
1922 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1923 QEMU_COPYRIGHT "\n");
1926 static void help(int exitcode)
1929 printf("usage: %s [options] [disk_image]\n\n"
1930 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1931 error_get_progname());
1933 #define QEMU_OPTIONS_GENERATE_HELP
1934 #include "qemu-options-wrapper.h"
1936 printf("\nDuring emulation, the following keys are useful:\n"
1937 "ctrl-alt-f toggle full screen\n"
1938 "ctrl-alt-n switch to virtual console 'n'\n"
1939 "ctrl-alt toggle mouse and keyboard grab\n"
1941 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1943 QEMU_HELP_BOTTOM "\n");
1948 #define HAS_ARG 0x0001
1950 typedef struct QEMUOption {
1957 static const QEMUOption qemu_options[] = {
1958 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1959 #define QEMU_OPTIONS_GENERATE_OPTIONS
1960 #include "qemu-options-wrapper.h"
1964 typedef struct VGAInterfaceInfo {
1965 const char *opt_name; /* option name */
1966 const char *name; /* human-readable name */
1967 /* Class names indicating that support is available.
1968 * If no class is specified, the interface is always available */
1969 const char *class_names[2];
1972 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1978 .name = "standard VGA",
1979 .class_names = { "VGA", "isa-vga" },
1982 .opt_name = "cirrus",
1983 .name = "Cirrus VGA",
1984 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1987 .opt_name = "vmware",
1988 .name = "VMWare SVGA",
1989 .class_names = { "vmware-svga" },
1992 .opt_name = "virtio",
1993 .name = "Virtio VGA",
1994 .class_names = { "virtio-vga" },
1999 .class_names = { "qxl-vga" },
2003 .name = "TCX framebuffer",
2004 .class_names = { "SUNW,tcx" },
2008 .name = "CG3 framebuffer",
2009 .class_names = { "cgthree" },
2012 .opt_name = "xenfb",
2016 static bool vga_interface_available(VGAInterfaceType t)
2018 VGAInterfaceInfo *ti = &vga_interfaces[t];
2020 assert(t < VGA_TYPE_MAX);
2021 return !ti->class_names[0] ||
2022 object_class_by_name(ti->class_names[0]) ||
2023 object_class_by_name(ti->class_names[1]);
2026 static void select_vgahw(const char *p)
2031 assert(vga_interface_type == VGA_NONE);
2032 for (t = 0; t < VGA_TYPE_MAX; t++) {
2033 VGAInterfaceInfo *ti = &vga_interfaces[t];
2034 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2035 if (!vga_interface_available(t)) {
2036 error_report("%s not available", ti->name);
2039 vga_interface_type = t;
2043 if (t == VGA_TYPE_MAX) {
2045 error_report("unknown vga type: %s", p);
2049 const char *nextopt;
2051 if (strstart(opts, ",retrace=", &nextopt)) {
2053 if (strstart(opts, "dumb", &nextopt))
2054 vga_retrace_method = VGA_RETRACE_DUMB;
2055 else if (strstart(opts, "precise", &nextopt))
2056 vga_retrace_method = VGA_RETRACE_PRECISE;
2057 else goto invalid_vga;
2058 } else goto invalid_vga;
2063 static void parse_display_qapi(const char *optarg)
2065 DisplayOptions *opts;
2068 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2070 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2071 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2073 qapi_free_DisplayOptions(opts);
2077 DisplayOptions *qmp_query_display_options(Error **errp)
2079 return QAPI_CLONE(DisplayOptions, &dpy);
2082 static void parse_display(const char *p)
2086 if (strstart(p, "sdl", &opts)) {
2088 * sdl DisplayType needs hand-crafted parser instead of
2089 * parse_display_qapi() due to some options not in
2090 * DisplayOptions, specifically:
2092 * Already deprecated.
2093 * - ctrl_grab + alt_grab
2094 * Not clear yet what happens to them long-term. Should
2095 * replaced by something better or deprecated and dropped.
2097 dpy.type = DISPLAY_TYPE_SDL;
2099 const char *nextopt;
2101 if (strstart(opts, ",frame=", &nextopt)) {
2102 g_printerr("The frame= sdl option is deprecated, and will be\n"
2103 "removed in a future release.\n");
2105 if (strstart(opts, "on", &nextopt)) {
2107 } else if (strstart(opts, "off", &nextopt)) {
2110 goto invalid_sdl_args;
2112 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2114 if (strstart(opts, "on", &nextopt)) {
2116 } else if (strstart(opts, "off", &nextopt)) {
2119 goto invalid_sdl_args;
2121 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2123 if (strstart(opts, "on", &nextopt)) {
2125 } else if (strstart(opts, "off", &nextopt)) {
2128 goto invalid_sdl_args;
2130 } else if (strstart(opts, ",window_close=", &nextopt)) {
2132 dpy.has_window_close = true;
2133 if (strstart(opts, "on", &nextopt)) {
2134 dpy.window_close = true;
2135 } else if (strstart(opts, "off", &nextopt)) {
2136 dpy.window_close = false;
2138 goto invalid_sdl_args;
2140 } else if (strstart(opts, ",gl=", &nextopt)) {
2143 if (strstart(opts, "on", &nextopt)) {
2144 dpy.gl = DISPLAYGL_MODE_ON;
2145 } else if (strstart(opts, "core", &nextopt)) {
2146 dpy.gl = DISPLAYGL_MODE_CORE;
2147 } else if (strstart(opts, "es", &nextopt)) {
2148 dpy.gl = DISPLAYGL_MODE_ES;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 dpy.gl = DISPLAYGL_MODE_OFF;
2152 goto invalid_sdl_args;
2156 error_report("invalid SDL option string");
2161 } else if (strstart(p, "vnc", &opts)) {
2163 * vnc isn't a (local) DisplayType but a protocol for remote
2167 vnc_parse(opts + 1, &error_fatal);
2169 error_report("VNC requires a display argument vnc=<display>");
2173 parse_display_qapi(p);
2177 char *qemu_find_file(int type, const char *name)
2183 /* Try the name as a straight path first */
2184 if (access(name, R_OK) == 0) {
2185 trace_load_file(name, name);
2186 return g_strdup(name);
2190 case QEMU_FILE_TYPE_BIOS:
2193 case QEMU_FILE_TYPE_KEYMAP:
2194 subdir = "keymaps/";
2200 for (i = 0; i < data_dir_idx; i++) {
2201 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2202 if (access(buf, R_OK) == 0) {
2203 trace_load_file(name, buf);
2211 static void qemu_add_data_dir(const char *path)
2218 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2221 for (i = 0; i < data_dir_idx; i++) {
2222 if (strcmp(data_dir[i], path) == 0) {
2223 return; /* duplicate */
2226 data_dir[data_dir_idx++] = g_strdup(path);
2229 static inline bool nonempty_str(const char *str)
2234 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2238 const char *name, *file, *str;
2239 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2241 if (fw_cfg == NULL) {
2242 error_setg(errp, "fw_cfg device not available");
2245 name = qemu_opt_get(opts, "name");
2246 file = qemu_opt_get(opts, "file");
2247 str = qemu_opt_get(opts, "string");
2249 /* we need name and either a file or the content string */
2250 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2251 error_setg(errp, "invalid argument(s)");
2254 if (nonempty_str(file) && nonempty_str(str)) {
2255 error_setg(errp, "file and string are mutually exclusive");
2258 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2259 error_setg(errp, "name too long (max. %d char)",
2260 FW_CFG_MAX_FILE_PATH - 1);
2263 if (strncmp(name, "opt/", 4) != 0) {
2264 warn_report("externally provided fw_cfg item names "
2265 "should be prefixed with \"opt/\"");
2267 if (nonempty_str(str)) {
2268 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2269 buf = g_memdup(str, size);
2272 if (!g_file_get_contents(file, &buf, &size, &err)) {
2273 error_setg(errp, "can't load %s: %s", file, err->message);
2278 /* For legacy, keep user files in a specific global order. */
2279 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2280 fw_cfg_add_file(fw_cfg, name, buf, size);
2281 fw_cfg_reset_order_override(fw_cfg);
2285 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2287 return qdev_device_help(opts);
2290 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2294 dev = qdev_device_add(opts, errp);
2298 object_unref(OBJECT(dev));
2302 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2304 Error *local_err = NULL;
2306 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2308 error_propagate(errp, local_err);
2316 #ifdef CONFIG_VIRTFS
2317 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2319 return qemu_fsdev_add(opts, errp);
2323 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2326 const char *chardev;
2330 mode = qemu_opt_get(opts, "mode");
2334 if (strcmp(mode, "readline") == 0) {
2335 flags = MONITOR_USE_READLINE;
2336 } else if (strcmp(mode, "control") == 0) {
2337 flags = MONITOR_USE_CONTROL;
2339 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2343 if (qemu_opt_get_bool(opts, "pretty", 0))
2344 flags |= MONITOR_USE_PRETTY;
2346 chardev = qemu_opt_get(opts, "chardev");
2348 error_report("chardev is required");
2351 chr = qemu_chr_find(chardev);
2353 error_setg(errp, "chardev \"%s\" not found", chardev);
2357 monitor_init(chr, flags);
2361 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2363 static int monitor_device_index = 0;
2368 if (strstart(optarg, "chardev:", &p)) {
2369 snprintf(label, sizeof(label), "%s", p);
2371 snprintf(label, sizeof(label), "compat_monitor%d",
2372 monitor_device_index);
2373 opts = qemu_chr_parse_compat(label, optarg, true);
2375 error_report("parse error: %s", optarg);
2380 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2381 qemu_opt_set(opts, "mode", mode, &error_abort);
2382 qemu_opt_set(opts, "chardev", label, &error_abort);
2383 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2384 monitor_device_index++;
2387 struct device_config {
2389 DEV_USB, /* -usbdevice */
2391 DEV_SERIAL, /* -serial */
2392 DEV_PARALLEL, /* -parallel */
2393 DEV_VIRTCON, /* -virtioconsole */
2394 DEV_DEBUGCON, /* -debugcon */
2395 DEV_GDB, /* -gdb, -s */
2396 DEV_SCLP, /* s390 sclp */
2398 const char *cmdline;
2400 QTAILQ_ENTRY(device_config) next;
2403 static QTAILQ_HEAD(, device_config) device_configs =
2404 QTAILQ_HEAD_INITIALIZER(device_configs);
2406 static void add_device_config(int type, const char *cmdline)
2408 struct device_config *conf;
2410 conf = g_malloc0(sizeof(*conf));
2412 conf->cmdline = cmdline;
2413 loc_save(&conf->loc);
2414 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2417 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2419 struct device_config *conf;
2422 QTAILQ_FOREACH(conf, &device_configs, next) {
2423 if (conf->type != type)
2425 loc_push_restore(&conf->loc);
2426 rc = func(conf->cmdline);
2427 loc_pop(&conf->loc);
2435 static int serial_parse(const char *devname)
2437 int index = num_serial_hds;
2440 if (strcmp(devname, "none") == 0)
2442 snprintf(label, sizeof(label), "serial%d", index);
2443 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2445 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2446 if (!serial_hds[index]) {
2447 error_report("could not connect serial device"
2448 " to character backend '%s'", devname);
2455 Chardev *serial_hd(int i)
2458 if (i < num_serial_hds) {
2459 return serial_hds[i];
2464 int serial_max_hds(void)
2466 return num_serial_hds;
2469 static int parallel_parse(const char *devname)
2471 static int index = 0;
2474 if (strcmp(devname, "none") == 0)
2476 if (index == MAX_PARALLEL_PORTS) {
2477 error_report("too many parallel ports");
2480 snprintf(label, sizeof(label), "parallel%d", index);
2481 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2482 if (!parallel_hds[index]) {
2483 error_report("could not connect parallel device"
2484 " to character backend '%s'", devname);
2491 static int virtcon_parse(const char *devname)
2493 QemuOptsList *device = qemu_find_opts("device");
2494 static int index = 0;
2496 QemuOpts *bus_opts, *dev_opts;
2498 if (strcmp(devname, "none") == 0)
2500 if (index == MAX_VIRTIO_CONSOLES) {
2501 error_report("too many virtio consoles");
2505 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2506 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2508 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2509 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2511 snprintf(label, sizeof(label), "virtcon%d", index);
2512 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2513 if (!virtcon_hds[index]) {
2514 error_report("could not connect virtio console"
2515 " to character backend '%s'", devname);
2518 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2524 static int debugcon_parse(const char *devname)
2528 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2529 error_report("invalid character backend '%s'", devname);
2532 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2534 error_report("already have a debugcon device");
2537 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2538 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2542 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2544 const MachineClass *mc1 = a, *mc2 = b;
2547 if (mc1->family == NULL) {
2548 if (mc2->family == NULL) {
2549 /* Compare standalone machine types against each other; they sort
2550 * in increasing order.
2552 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2553 object_class_get_name(OBJECT_CLASS(mc2)));
2556 /* Standalone machine types sort after families. */
2560 if (mc2->family == NULL) {
2561 /* Families sort before standalone machine types. */
2565 /* Families sort between each other alphabetically increasingly. */
2566 res = strcmp(mc1->family, mc2->family);
2571 /* Within the same family, machine types sort in decreasing order. */
2572 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2573 object_class_get_name(OBJECT_CLASS(mc1)));
2576 static MachineClass *machine_parse(const char *name)
2578 MachineClass *mc = NULL;
2579 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2582 mc = find_machine(name);
2585 g_slist_free(machines);
2588 if (name && !is_help_option(name)) {
2589 error_report("unsupported machine type");
2590 error_printf("Use -machine help to list supported machines\n");
2592 printf("Supported machines are:\n");
2593 machines = g_slist_sort(machines, machine_class_cmp);
2594 for (el = machines; el; el = el->next) {
2595 MachineClass *mc = el->data;
2597 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2599 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2600 mc->is_default ? " (default)" : "",
2601 mc->deprecation_reason ? " (deprecated)" : "");
2605 g_slist_free(machines);
2606 exit(!name || !is_help_option(name));
2609 void qemu_add_exit_notifier(Notifier *notify)
2611 notifier_list_add(&exit_notifiers, notify);
2614 void qemu_remove_exit_notifier(Notifier *notify)
2616 notifier_remove(notify);
2619 static void qemu_run_exit_notifiers(void)
2621 notifier_list_notify(&exit_notifiers, NULL);
2624 static const char *pid_file;
2625 static Notifier qemu_unlink_pidfile_notifier;
2627 static void qemu_unlink_pidfile(Notifier *n, void *data)
2634 bool machine_init_done;
2636 void qemu_add_machine_init_done_notifier(Notifier *notify)
2638 notifier_list_add(&machine_init_done_notifiers, notify);
2639 if (machine_init_done) {
2640 notify->notify(notify, NULL);
2644 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2646 notifier_remove(notify);
2649 static void qemu_run_machine_init_done_notifiers(void)
2651 machine_init_done = true;
2652 notifier_list_notify(&machine_init_done_notifiers, NULL);
2655 static const QEMUOption *lookup_opt(int argc, char **argv,
2656 const char **poptarg, int *poptind)
2658 const QEMUOption *popt;
2659 int optind = *poptind;
2660 char *r = argv[optind];
2663 loc_set_cmdline(argv, optind, 1);
2665 /* Treat --foo the same as -foo. */
2668 popt = qemu_options;
2671 error_report("invalid option");
2674 if (!strcmp(popt->name, r + 1))
2678 if (popt->flags & HAS_ARG) {
2679 if (optind >= argc) {
2680 error_report("requires an argument");
2683 optarg = argv[optind++];
2684 loc_set_cmdline(argv, optind - 2, 2);
2695 static MachineClass *select_machine(void)
2697 MachineClass *machine_class = find_default_machine();
2702 loc_push_none(&loc);
2704 opts = qemu_get_machine_opts();
2705 qemu_opts_loc_restore(opts);
2707 optarg = qemu_opt_get(opts, "type");
2709 machine_class = machine_parse(optarg);
2712 if (!machine_class) {
2713 error_report("No machine specified, and there is no default");
2714 error_printf("Use -machine help to list supported machines\n");
2719 return machine_class;
2722 static int machine_set_property(void *opaque,
2723 const char *name, const char *value,
2726 Object *obj = OBJECT(opaque);
2727 Error *local_err = NULL;
2730 if (strcmp(name, "type") == 0) {
2734 qom_name = g_strdup(name);
2735 for (p = qom_name; *p; p++) {
2741 object_property_parse(obj, value, qom_name, &local_err);
2745 error_propagate(errp, local_err);
2754 * Initial object creation happens before all other
2755 * QEMU data types are created. The majority of objects
2756 * can be created at this point. The rng-egd object
2757 * cannot be created here, as it depends on the chardev
2760 static bool object_create_initial(const char *type, QemuOpts *opts)
2764 if (is_help_option(type)) {
2767 printf("List of user creatable objects:\n");
2768 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2769 for (l = list; l != NULL; l = l->next) {
2770 ObjectClass *oc = OBJECT_CLASS(l->data);
2771 printf(" %s\n", object_class_get_name(oc));
2777 klass = object_class_by_name(type);
2778 if (klass && qemu_opt_has_help_opt(opts)) {
2779 ObjectPropertyIterator iter;
2780 ObjectProperty *prop;
2781 GPtrArray *array = g_ptr_array_new();
2784 object_class_property_iter_init(&iter, klass);
2785 while ((prop = object_property_iter_next(&iter))) {
2792 str = g_string_new(NULL);
2793 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2794 if (prop->description) {
2795 if (str->len < 24) {
2796 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2798 g_string_append_printf(str, " - %s", prop->description);
2800 g_ptr_array_add(array, g_string_free(str, false));
2802 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2803 if (array->len > 0) {
2804 printf("%s options:\n", type);
2806 printf("There are no options for %s.\n", type);
2808 for (i = 0; i < array->len; i++) {
2809 printf("%s\n", (char *)array->pdata[i]);
2811 g_ptr_array_set_free_func(array, g_free);
2812 g_ptr_array_free(array, true);
2816 if (g_str_equal(type, "rng-egd") ||
2817 g_str_has_prefix(type, "pr-manager-")) {
2821 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2822 if (g_str_equal(type, "cryptodev-vhost-user")) {
2828 * return false for concrete netfilters since
2829 * they depend on netdevs already existing
2831 if (g_str_equal(type, "filter-buffer") ||
2832 g_str_equal(type, "filter-dump") ||
2833 g_str_equal(type, "filter-mirror") ||
2834 g_str_equal(type, "filter-redirector") ||
2835 g_str_equal(type, "colo-compare") ||
2836 g_str_equal(type, "filter-rewriter") ||
2837 g_str_equal(type, "filter-replay")) {
2841 /* Memory allocation by backends needs to be done
2842 * after configure_accelerator() (due to the tcg_enabled()
2843 * checks at memory_region_init_*()).
2845 * Also, allocation of large amounts of memory may delay
2846 * chardev initialization for too long, and trigger timeouts
2847 * on software that waits for a monitor socket to be created
2850 if (g_str_has_prefix(type, "memory-backend-")) {
2859 * The remainder of object creation happens after the
2860 * creation of chardev, fsdev, net clients and device data types.
2862 static bool object_create_delayed(const char *type, QemuOpts *opts)
2864 return !object_create_initial(type, opts);
2868 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2872 const char *mem_str;
2873 const ram_addr_t default_ram_size = mc->default_ram_size;
2874 QemuOpts *opts = qemu_find_opts_singleton("memory");
2877 loc_push_none(&loc);
2878 qemu_opts_loc_restore(opts);
2881 mem_str = qemu_opt_get(opts, "size");
2884 error_report("missing 'size' option value");
2888 sz = qemu_opt_get_size(opts, "size", ram_size);
2890 /* Fix up legacy suffix-less format */
2891 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2892 uint64_t overflow_check = sz;
2895 if (sz / MiB != overflow_check) {
2896 error_report("too large 'size' option value");
2902 /* backward compatibility behaviour for case "-m 0" */
2904 sz = default_ram_size;
2907 sz = QEMU_ALIGN_UP(sz, 8192);
2909 if (ram_size != sz) {
2910 error_report("ram size too large");
2914 /* store value for the future use */
2915 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2916 *maxram_size = ram_size;
2918 if (qemu_opt_get(opts, "maxmem")) {
2921 sz = qemu_opt_get_size(opts, "maxmem", 0);
2922 slots = qemu_opt_get_number(opts, "slots", 0);
2923 if (sz < ram_size) {
2924 error_report("invalid value of -m option maxmem: "
2925 "maximum memory size (0x%" PRIx64 ") must be at least "
2926 "the initial memory size (0x" RAM_ADDR_FMT ")",
2929 } else if (slots && sz == ram_size) {
2930 error_report("invalid value of -m option maxmem: "
2931 "memory slots were specified but maximum memory size "
2932 "(0x%" PRIx64 ") is equal to the initial memory size "
2933 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2939 } else if (qemu_opt_get(opts, "slots")) {
2940 error_report("invalid -m option value: missing 'maxmem' option");
2947 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2951 g = g_malloc0(sizeof(*g));
2952 g->driver = qemu_opt_get(opts, "driver");
2953 g->property = qemu_opt_get(opts, "property");
2954 g->value = qemu_opt_get(opts, "value");
2955 g->user_provided = true;
2956 g->errp = &error_fatal;
2957 qdev_prop_register_global(g);
2961 static int qemu_read_default_config_file(void)
2965 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2966 if (ret < 0 && ret != -ENOENT) {
2973 static void user_register_global_props(void)
2975 qemu_opts_foreach(qemu_find_opts("global"),
2976 global_init_func, NULL, NULL);
2980 * Note: we should see that these properties are actually having a
2981 * priority: accel < machine < user. This means e.g. when user
2982 * specifies something in "-global", it'll always be used with highest
2983 * priority than either machine/accelerator compat properties.
2985 static void register_global_properties(MachineState *ms)
2987 accel_register_compat_props(ms->accelerator);
2988 machine_register_compat_props(ms);
2989 user_register_global_props();
2992 int main(int argc, char **argv, char **envp)
2995 int snapshot, linux_boot;
2996 const char *initrd_filename;
2997 const char *kernel_filename, *kernel_cmdline;
2998 const char *boot_order = NULL;
2999 const char *boot_once = NULL;
3001 QemuOpts *opts, *machine_opts;
3002 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3003 QemuOptsList *olist;
3006 const char *loadvm = NULL;
3007 MachineClass *machine_class;
3008 const char *cpu_model;
3009 const char *vga_model = NULL;
3010 const char *qtest_chrdev = NULL;
3011 const char *qtest_log = NULL;
3012 const char *incoming = NULL;
3013 bool userconfig = true;
3014 bool nographic = false;
3015 int display_remote = 0;
3016 const char *log_mask = NULL;
3017 const char *log_file = NULL;
3018 char *trace_file = NULL;
3019 ram_addr_t maxram_size;
3020 uint64_t ram_slots = 0;
3021 FILE *vmstate_dump_file = NULL;
3022 Error *main_loop_err = NULL;
3024 bool list_data_dirs = false;
3026 typedef struct BlockdevOptions_queue {
3027 BlockdevOptions *bdo;
3029 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3030 } BlockdevOptions_queue;
3031 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3032 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3034 module_call_init(MODULE_INIT_TRACE);
3036 qemu_init_cpu_list();
3037 qemu_init_cpu_loop();
3039 qemu_mutex_lock_iothread();
3041 atexit(qemu_run_exit_notifiers);
3042 error_set_progname(argv[0]);
3043 qemu_init_exec_dir(argv[0]);
3045 module_call_init(MODULE_INIT_QOM);
3047 qemu_add_opts(&qemu_drive_opts);
3048 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3049 qemu_add_drive_opts(&qemu_common_drive_opts);
3050 qemu_add_drive_opts(&qemu_drive_opts);
3051 qemu_add_drive_opts(&bdrv_runtime_opts);
3052 qemu_add_opts(&qemu_chardev_opts);
3053 qemu_add_opts(&qemu_device_opts);
3054 qemu_add_opts(&qemu_netdev_opts);
3055 qemu_add_opts(&qemu_nic_opts);
3056 qemu_add_opts(&qemu_net_opts);
3057 qemu_add_opts(&qemu_rtc_opts);
3058 qemu_add_opts(&qemu_global_opts);
3059 qemu_add_opts(&qemu_mon_opts);
3060 qemu_add_opts(&qemu_trace_opts);
3061 qemu_add_opts(&qemu_option_rom_opts);
3062 qemu_add_opts(&qemu_machine_opts);
3063 qemu_add_opts(&qemu_accel_opts);
3064 qemu_add_opts(&qemu_mem_opts);
3065 qemu_add_opts(&qemu_smp_opts);
3066 qemu_add_opts(&qemu_boot_opts);
3067 qemu_add_opts(&qemu_add_fd_opts);
3068 qemu_add_opts(&qemu_object_opts);
3069 qemu_add_opts(&qemu_tpmdev_opts);
3070 qemu_add_opts(&qemu_realtime_opts);
3071 qemu_add_opts(&qemu_overcommit_opts);
3072 qemu_add_opts(&qemu_msg_opts);
3073 qemu_add_opts(&qemu_name_opts);
3074 qemu_add_opts(&qemu_numa_opts);
3075 qemu_add_opts(&qemu_icount_opts);
3076 qemu_add_opts(&qemu_semihosting_config_opts);
3077 qemu_add_opts(&qemu_fw_cfg_opts);
3078 module_call_init(MODULE_INIT_OPTS);
3081 postcopy_infrastructure_init();
3082 monitor_init_globals();
3084 if (qcrypto_init(&err) < 0) {
3085 error_reportf_err(err, "cannot initialize crypto: ");
3089 QLIST_INIT (&vm_change_state_head);
3090 os_setup_early_signal_handling();
3097 bdrv_init_with_whitelist();
3101 /* first pass of option parsing */
3103 while (optind < argc) {
3104 if (argv[optind][0] != '-') {
3108 const QEMUOption *popt;
3110 popt = lookup_opt(argc, argv, &optarg, &optind);
3111 switch (popt->index) {
3112 case QEMU_OPTION_nouserconfig:
3120 if (qemu_read_default_config_file() < 0) {
3125 /* second pass of option parsing */
3130 if (argv[optind][0] != '-') {
3131 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3133 const QEMUOption *popt;
3135 popt = lookup_opt(argc, argv, &optarg, &optind);
3136 if (!(popt->arch_mask & arch_type)) {
3137 error_report("Option not supported for this target");
3140 switch(popt->index) {
3141 case QEMU_OPTION_cpu:
3142 /* hw initialization will check this */
3145 case QEMU_OPTION_hda:
3146 case QEMU_OPTION_hdb:
3147 case QEMU_OPTION_hdc:
3148 case QEMU_OPTION_hdd:
3149 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3152 case QEMU_OPTION_blockdev:
3155 BlockdevOptions_queue *bdo;
3157 v = qobject_input_visitor_new_str(optarg, "driver",
3160 bdo = g_new(BlockdevOptions_queue, 1);
3161 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3164 loc_save(&bdo->loc);
3165 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3168 case QEMU_OPTION_drive:
3169 if (drive_def(optarg) == NULL) {
3173 case QEMU_OPTION_set:
3174 if (qemu_set_option(optarg) != 0)
3177 case QEMU_OPTION_global:
3178 if (qemu_global_option(optarg) != 0)
3181 case QEMU_OPTION_mtdblock:
3182 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3184 case QEMU_OPTION_sd:
3185 drive_add(IF_SD, -1, optarg, SD_OPTS);
3187 case QEMU_OPTION_pflash:
3188 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3190 case QEMU_OPTION_snapshot:
3193 case QEMU_OPTION_numa:
3194 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3200 case QEMU_OPTION_display:
3201 parse_display(optarg);
3203 case QEMU_OPTION_nographic:
3204 olist = qemu_find_opts("machine");
3205 qemu_opts_parse_noisily(olist, "graphics=off", false);
3207 dpy.type = DISPLAY_TYPE_NONE;
3209 case QEMU_OPTION_curses:
3210 #ifdef CONFIG_CURSES
3211 dpy.type = DISPLAY_TYPE_CURSES;
3213 error_report("curses support is disabled");
3217 case QEMU_OPTION_portrait:
3218 graphic_rotate = 90;
3220 case QEMU_OPTION_rotate:
3221 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3222 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3223 graphic_rotate != 180 && graphic_rotate != 270) {
3224 error_report("only 90, 180, 270 deg rotation is available");
3228 case QEMU_OPTION_kernel:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3232 case QEMU_OPTION_initrd:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3236 case QEMU_OPTION_append:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3240 case QEMU_OPTION_dtb:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3244 case QEMU_OPTION_cdrom:
3245 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3247 case QEMU_OPTION_boot:
3248 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3254 case QEMU_OPTION_fda:
3255 case QEMU_OPTION_fdb:
3256 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3259 case QEMU_OPTION_no_fd_bootchk:
3262 case QEMU_OPTION_netdev:
3264 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3268 case QEMU_OPTION_nic:
3270 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3274 case QEMU_OPTION_net:
3276 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3280 #ifdef CONFIG_LIBISCSI
3281 case QEMU_OPTION_iscsi:
3282 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3289 case QEMU_OPTION_bt:
3290 warn_report("The bluetooth subsystem is deprecated and will "
3291 "be removed soon. If the bluetooth subsystem is "
3292 "still useful for you, please send a mail to "
3294 add_device_config(DEV_BT, optarg);
3296 case QEMU_OPTION_audio_help:
3300 case QEMU_OPTION_soundhw:
3301 select_soundhw (optarg);
3306 case QEMU_OPTION_version:
3311 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3318 case QEMU_OPTION_tpmdev:
3319 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3324 case QEMU_OPTION_mempath:
3327 case QEMU_OPTION_mem_prealloc:
3336 case QEMU_OPTION_DFILTER:
3337 qemu_set_dfilter_ranges(optarg, &error_fatal);
3340 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3342 case QEMU_OPTION_gdb:
3343 add_device_config(DEV_GDB, optarg);
3346 if (is_help_option(optarg)) {
3347 list_data_dirs = true;
3349 qemu_add_data_dir(optarg);
3352 case QEMU_OPTION_bios:
3353 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3356 case QEMU_OPTION_singlestep:
3363 keyboard_layout = optarg;
3365 case QEMU_OPTION_vga:
3374 w = strtol(p, (char **)&p, 10);
3377 error_report("invalid resolution or depth");
3383 h = strtol(p, (char **)&p, 10);
3388 depth = strtol(p, (char **)&p, 10);
3389 if (depth != 8 && depth != 15 && depth != 16 &&
3390 depth != 24 && depth != 32)
3392 } else if (*p == '\0') {
3393 depth = graphic_depth;
3400 graphic_depth = depth;
3403 case QEMU_OPTION_echr:
3406 term_escape_char = strtol(optarg, &r, 0);
3408 printf("Bad argument to echr\n");
3411 case QEMU_OPTION_monitor:
3412 default_monitor = 0;
3413 if (strncmp(optarg, "none", 4)) {
3414 monitor_parse(optarg, "readline", false);
3417 case QEMU_OPTION_qmp:
3418 monitor_parse(optarg, "control", false);
3419 default_monitor = 0;
3421 case QEMU_OPTION_qmp_pretty:
3422 monitor_parse(optarg, "control", true);
3423 default_monitor = 0;
3425 case QEMU_OPTION_mon:
3426 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3431 default_monitor = 0;
3433 case QEMU_OPTION_chardev:
3434 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3440 case QEMU_OPTION_fsdev:
3441 olist = qemu_find_opts("fsdev");
3443 error_report("fsdev support is disabled");
3446 opts = qemu_opts_parse_noisily(olist, optarg, true);
3451 case QEMU_OPTION_virtfs: {
3454 const char *writeout, *sock_fd, *socket, *path, *security_model;
3456 olist = qemu_find_opts("virtfs");
3458 error_report("virtfs support is disabled");
3461 opts = qemu_opts_parse_noisily(olist, optarg, true);
3466 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3467 qemu_opt_get(opts, "mount_tag") == NULL) {
3468 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3471 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3472 qemu_opts_id(opts) ?:
3473 qemu_opt_get(opts, "mount_tag"),
3476 error_report("duplicate or invalid fsdev id: %s",
3477 qemu_opt_get(opts, "mount_tag"));
3481 writeout = qemu_opt_get(opts, "writeout");
3483 #ifdef CONFIG_SYNC_FILE_RANGE
3484 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3486 error_report("writeout=immediate not supported "
3487 "on this platform");
3491 qemu_opt_set(fsdev, "fsdriver",
3492 qemu_opt_get(opts, "fsdriver"), &error_abort);
3493 path = qemu_opt_get(opts, "path");
3495 qemu_opt_set(fsdev, "path", path, &error_abort);
3497 security_model = qemu_opt_get(opts, "security_model");
3498 if (security_model) {
3499 qemu_opt_set(fsdev, "security_model", security_model,
3502 socket = qemu_opt_get(opts, "socket");
3504 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3506 sock_fd = qemu_opt_get(opts, "sock_fd");
3508 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3511 qemu_opt_set_bool(fsdev, "readonly",
3512 qemu_opt_get_bool(opts, "readonly", 0),
3514 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3516 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3517 qemu_opt_set(device, "fsdev",
3518 qemu_opts_id(fsdev), &error_abort);
3519 qemu_opt_set(device, "mount_tag",
3520 qemu_opt_get(opts, "mount_tag"), &error_abort);
3523 case QEMU_OPTION_virtfs_synth: {
3527 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3530 error_report("duplicate option: %s", "virtfs_synth");
3533 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3537 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3538 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3539 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3542 case QEMU_OPTION_serial:
3543 add_device_config(DEV_SERIAL, optarg);
3545 if (strncmp(optarg, "mon:", 4) == 0) {
3546 default_monitor = 0;
3549 case QEMU_OPTION_watchdog:
3551 error_report("only one watchdog option may be given");
3556 case QEMU_OPTION_watchdog_action:
3557 if (select_watchdog_action(optarg) == -1) {
3558 error_report("unknown -watchdog-action parameter");
3562 case QEMU_OPTION_virtiocon:
3563 warn_report("This option is deprecated, "
3564 "use '-device virtconsole' instead");
3565 add_device_config(DEV_VIRTCON, optarg);
3566 default_virtcon = 0;
3567 if (strncmp(optarg, "mon:", 4) == 0) {
3568 default_monitor = 0;
3571 case QEMU_OPTION_parallel:
3572 add_device_config(DEV_PARALLEL, optarg);
3573 default_parallel = 0;
3574 if (strncmp(optarg, "mon:", 4) == 0) {
3575 default_monitor = 0;
3578 case QEMU_OPTION_debugcon:
3579 add_device_config(DEV_DEBUGCON, optarg);
3581 case QEMU_OPTION_loadvm:
3584 case QEMU_OPTION_full_screen:
3585 dpy.has_full_screen = true;
3586 dpy.full_screen = true;
3588 case QEMU_OPTION_no_frame:
3589 g_printerr("The -no-frame switch is deprecated, and will be\n"
3590 "removed in a future release.\n");
3593 case QEMU_OPTION_alt_grab:
3596 case QEMU_OPTION_ctrl_grab:
3599 case QEMU_OPTION_no_quit:
3600 dpy.has_window_close = true;
3601 dpy.window_close = false;
3603 case QEMU_OPTION_sdl:
3605 dpy.type = DISPLAY_TYPE_SDL;
3608 error_report("SDL support is disabled");
3611 case QEMU_OPTION_pidfile:
3614 case QEMU_OPTION_win2k_hack:
3615 win2k_install_hack = 1;
3617 case QEMU_OPTION_acpitable:
3618 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3623 acpi_table_add(opts, &error_fatal);
3625 case QEMU_OPTION_smbios:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3631 smbios_entry_add(opts, &error_fatal);
3633 case QEMU_OPTION_fwcfg:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3640 case QEMU_OPTION_preconfig:
3641 preconfig_exit_requested = false;
3643 case QEMU_OPTION_enable_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3647 case QEMU_OPTION_enable_hax:
3648 warn_report("Option is deprecated, use '-accel hax' instead");
3649 olist = qemu_find_opts("machine");
3650 qemu_opts_parse_noisily(olist, "accel=hax", false);
3653 case QEMU_OPTION_machine:
3654 olist = qemu_find_opts("machine");
3655 opts = qemu_opts_parse_noisily(olist, optarg, true);
3660 case QEMU_OPTION_no_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3664 case QEMU_OPTION_accel:
3665 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3667 optarg = qemu_opt_get(accel_opts, "accel");
3668 if (!optarg || is_help_option(optarg)) {
3669 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3672 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3673 false, &error_abort);
3674 qemu_opt_set(opts, "accel", optarg, &error_abort);
3676 case QEMU_OPTION_usb:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "usb=on", false);
3680 case QEMU_OPTION_usbdevice:
3681 error_report("'-usbdevice' is deprecated, please use "
3682 "'-device usb-...' instead");
3683 olist = qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist, "usb=on", false);
3685 add_device_config(DEV_USB, optarg);
3687 case QEMU_OPTION_device:
3688 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3693 case QEMU_OPTION_smp:
3694 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3699 case QEMU_OPTION_vnc:
3700 vnc_parse(optarg, &error_fatal);
3702 case QEMU_OPTION_no_acpi:
3705 case QEMU_OPTION_no_hpet:
3708 case QEMU_OPTION_no_reboot:
3711 case QEMU_OPTION_no_shutdown:
3714 case QEMU_OPTION_show_cursor:
3717 case QEMU_OPTION_uuid:
3718 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3719 error_report("failed to parse UUID string: wrong format");
3722 qemu_uuid_set = true;
3724 case QEMU_OPTION_option_rom:
3725 if (nb_option_roms >= MAX_OPTION_ROMS) {
3726 error_report("too many option ROMs");
3729 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3734 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3735 option_rom[nb_option_roms].bootindex =
3736 qemu_opt_get_number(opts, "bootindex", -1);
3737 if (!option_rom[nb_option_roms].name) {
3738 error_report("Option ROM file is not specified");
3743 case QEMU_OPTION_semihosting:
3744 semihosting.enabled = true;
3745 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3747 case QEMU_OPTION_semihosting_config:
3748 semihosting.enabled = true;
3749 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3752 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3754 const char *target = qemu_opt_get(opts, "target");
3755 if (target != NULL) {
3756 if (strcmp("native", target) == 0) {
3757 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3758 } else if (strcmp("gdb", target) == 0) {
3759 semihosting.target = SEMIHOSTING_TARGET_GDB;
3760 } else if (strcmp("auto", target) == 0) {
3761 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3763 error_report("unsupported semihosting-config %s",
3768 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3770 /* Set semihosting argument count and vector */
3771 qemu_opt_foreach(opts, add_semihosting_arg,
3772 &semihosting, NULL);
3774 error_report("unsupported semihosting-config %s", optarg);
3778 case QEMU_OPTION_name:
3779 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3785 case QEMU_OPTION_prom_env:
3786 if (nb_prom_envs >= MAX_PROM_ENVS) {
3787 error_report("too many prom variables");
3790 prom_envs[nb_prom_envs] = optarg;
3793 case QEMU_OPTION_old_param:
3796 case QEMU_OPTION_clock:
3797 /* Clock options no longer exist. Keep this option for
3798 * backward compatibility.
3800 warn_report("This option is ignored and will be removed soon");
3802 case QEMU_OPTION_rtc:
3803 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3809 case QEMU_OPTION_tb_size:
3811 error_report("TCG is disabled");
3814 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3815 error_report("Invalid argument to -tb-size");
3819 case QEMU_OPTION_icount:
3820 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3826 case QEMU_OPTION_incoming:
3828 runstate_set(RUN_STATE_INMIGRATE);
3832 case QEMU_OPTION_only_migratable:
3834 * TODO: we can remove this option one day, and we
3837 * "-global migration.only-migratable=true"
3839 qemu_global_option("migration.only-migratable=true");
3841 case QEMU_OPTION_nodefaults:
3844 case QEMU_OPTION_xen_domid:
3845 if (!(xen_available())) {
3846 error_report("Option not supported for this target");
3849 xen_domid = atoi(optarg);
3851 case QEMU_OPTION_xen_create:
3852 if (!(xen_available())) {
3853 error_report("Option not supported for this target");
3856 xen_mode = XEN_CREATE;
3858 case QEMU_OPTION_xen_attach:
3859 if (!(xen_available())) {
3860 error_report("Option not supported for this target");
3863 xen_mode = XEN_ATTACH;
3865 case QEMU_OPTION_xen_domid_restrict:
3866 if (!(xen_available())) {
3867 error_report("Option not supported for this target");
3870 xen_domid_restrict = true;
3872 case QEMU_OPTION_trace:
3874 trace_file = trace_opt_parse(optarg);
3876 case QEMU_OPTION_readconfig:
3878 int ret = qemu_read_config_file(optarg);
3880 error_report("read config %s: %s", optarg,
3886 case QEMU_OPTION_spice:
3887 olist = qemu_find_opts("spice");
3889 error_report("spice support is disabled");
3892 opts = qemu_opts_parse_noisily(olist, optarg, false);
3898 case QEMU_OPTION_writeconfig:
3901 if (strcmp(optarg, "-") == 0) {
3904 fp = fopen(optarg, "w");
3906 error_report("open %s: %s", optarg,
3911 qemu_config_write(fp);
3917 case QEMU_OPTION_qtest:
3918 qtest_chrdev = optarg;
3920 case QEMU_OPTION_qtest_log:
3923 case QEMU_OPTION_sandbox:
3924 #ifdef CONFIG_SECCOMP
3925 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3931 error_report("-sandbox support is not enabled "
3932 "in this QEMU binary");
3936 case QEMU_OPTION_add_fd:
3938 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3944 error_report("File descriptor passing is disabled on this "
3949 case QEMU_OPTION_object:
3950 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3956 case QEMU_OPTION_realtime:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3962 /* Don't override the -overcommit option if set */
3963 enable_mlock = enable_mlock ||
3964 qemu_opt_get_bool(opts, "mlock", true);
3966 case QEMU_OPTION_overcommit:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3972 /* Don't override the -realtime option if set */
3973 enable_mlock = enable_mlock ||
3974 qemu_opt_get_bool(opts, "mem-lock", false);
3975 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3977 case QEMU_OPTION_msg:
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3983 configure_msg(opts);
3985 case QEMU_OPTION_dump_vmstate:
3986 if (vmstate_dump_file) {
3987 error_report("only one '-dump-vmstate' "
3988 "option may be given");
3991 vmstate_dump_file = fopen(optarg, "w");
3992 if (vmstate_dump_file == NULL) {
3993 error_report("open %s: %s", optarg, strerror(errno));
3997 case QEMU_OPTION_enable_sync_profile:
4000 case QEMU_OPTION_nouserconfig:
4001 /* Nothing to be parsed here. Especially, do not error out below. */
4004 if (os_parse_cmd_args(popt->index, optarg)) {
4005 error_report("Option not supported in this build");
4012 * Clear error location left behind by the loop.
4013 * Best done right after the loop. Do not insert code here!
4017 replay_configure(icount_opts);
4019 if (incoming && !preconfig_exit_requested) {
4020 error_report("'preconfig' and 'incoming' options are "
4021 "mutually exclusive");
4025 configure_rtc(qemu_find_opts_singleton("rtc"));
4027 machine_class = select_machine();
4029 set_memory_options(&ram_slots, &maxram_size, machine_class);
4032 rcu_disable_atfork();
4034 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4035 error_reportf_err(err, "cannot create PID file: ");
4039 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4040 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4042 if (qemu_init_main_loop(&main_loop_err)) {
4043 error_report_err(main_loop_err);
4047 #ifdef CONFIG_SECCOMP
4048 olist = qemu_find_opts_err("sandbox", NULL);
4050 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4054 qemu_opts_foreach(qemu_find_opts("name"),
4055 parse_name, NULL, &error_fatal);
4058 qemu_opts_foreach(qemu_find_opts("add-fd"),
4059 parse_add_fd, NULL, &error_fatal);
4061 qemu_opts_foreach(qemu_find_opts("add-fd"),
4062 cleanup_add_fd, NULL, &error_fatal);
4065 current_machine = MACHINE(object_new(object_class_get_name(
4066 OBJECT_CLASS(machine_class))));
4067 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4070 object_property_add_child(object_get_root(), "machine",
4071 OBJECT(current_machine), &error_abort);
4073 if (machine_class->minimum_page_bits) {
4074 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4075 /* This would be a board error: specifying a minimum smaller than
4076 * a target's compile-time fixed setting.
4078 g_assert_not_reached();
4082 cpu_exec_init_all();
4084 if (machine_class->hw_version) {
4085 qemu_set_hw_version(machine_class->hw_version);
4088 if (cpu_model && is_help_option(cpu_model)) {
4089 list_cpus(stdout, &fprintf, cpu_model);
4093 if (!trace_init_backends()) {
4096 trace_init_file(trace_file);
4098 /* Open the logfile at this point and set the log mask if necessary.
4101 qemu_set_log_filename(log_file, &error_fatal);
4106 mask = qemu_str_to_log_mask(log_mask);
4108 qemu_print_log_usage(stdout);
4116 /* add configured firmware directories */
4117 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4118 for (i = 0; dirs[i] != NULL; i++) {
4119 qemu_add_data_dir(dirs[i]);
4123 /* try to find datadir relative to the executable path */
4124 dir = os_find_datadir();
4125 qemu_add_data_dir(dir);
4128 /* add the datadir specified when building */
4129 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4131 /* -L help lists the data directories and exits. */
4132 if (list_data_dirs) {
4133 for (i = 0; i < data_dir_idx; i++) {
4134 printf("%s\n", data_dir[i]);
4139 /* machine_class: default to UP */
4140 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4141 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4142 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4144 /* default to machine_class->default_cpus */
4145 smp_cpus = machine_class->default_cpus;
4146 max_cpus = machine_class->default_cpus;
4148 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4150 /* sanity-check smp_cpus and max_cpus against machine_class */
4151 if (smp_cpus < machine_class->min_cpus) {
4152 error_report("Invalid SMP CPUs %d. The min CPUs "
4153 "supported by machine '%s' is %d", smp_cpus,
4154 machine_class->name, machine_class->min_cpus);
4157 if (max_cpus > machine_class->max_cpus) {
4158 error_report("Invalid SMP CPUs %d. The max CPUs "
4159 "supported by machine '%s' is %d", max_cpus,
4160 machine_class->name, machine_class->max_cpus);
4165 * Get the default machine options from the machine if it is not already
4166 * specified either by the configuration file or by the command line.
4168 if (machine_class->default_machine_opts) {
4169 qemu_opts_set_defaults(qemu_find_opts("machine"),
4170 machine_class->default_machine_opts, 0);
4173 qemu_opts_foreach(qemu_find_opts("device"),
4174 default_driver_check, NULL, NULL);
4175 qemu_opts_foreach(qemu_find_opts("global"),
4176 default_driver_check, NULL, NULL);
4178 if (!vga_model && !default_vga) {
4179 vga_interface_type = VGA_DEVICE;
4181 if (!has_defaults || machine_class->no_serial) {
4184 if (!has_defaults || machine_class->no_parallel) {
4185 default_parallel = 0;
4187 if (!has_defaults || !machine_class->use_virtcon) {
4188 default_virtcon = 0;
4190 if (!has_defaults || machine_class->no_floppy) {
4193 if (!has_defaults || machine_class->no_cdrom) {
4196 if (!has_defaults || machine_class->no_sdcard) {
4199 if (!has_defaults) {
4200 default_monitor = 0;
4205 if (is_daemonized()) {
4206 if (!preconfig_exit_requested) {
4207 error_report("'preconfig' and 'daemonize' options are "
4208 "mutually exclusive");
4212 /* According to documentation and historically, -nographic redirects
4213 * serial port, parallel port and monitor to stdio, which does not work
4214 * with -daemonize. We can redirect these to null instead, but since
4215 * -nographic is legacy, let's just error out.
4216 * We disallow -nographic only if all other ports are not redirected
4217 * explicitly, to not break existing legacy setups which uses
4218 * -nographic _and_ redirects all ports explicitly - this is valid
4219 * usage, -nographic is just a no-op in this case.
4222 && (default_parallel || default_serial
4223 || default_monitor || default_virtcon)) {
4224 error_report("-nographic cannot be used with -daemonize");
4227 #ifdef CONFIG_CURSES
4228 if (dpy.type == DISPLAY_TYPE_CURSES) {
4229 error_report("curses display cannot be used with -daemonize");
4236 if (default_parallel)
4237 add_device_config(DEV_PARALLEL, "null");
4238 if (default_serial && default_monitor) {
4239 add_device_config(DEV_SERIAL, "mon:stdio");
4240 } else if (default_virtcon && default_monitor) {
4241 add_device_config(DEV_VIRTCON, "mon:stdio");
4244 add_device_config(DEV_SERIAL, "stdio");
4245 if (default_virtcon)
4246 add_device_config(DEV_VIRTCON, "stdio");
4247 if (default_monitor)
4248 monitor_parse("stdio", "readline", false);
4252 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4253 if (default_parallel)
4254 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4255 if (default_monitor)
4256 monitor_parse("vc:80Cx24C", "readline", false);
4257 if (default_virtcon)
4258 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4261 #if defined(CONFIG_VNC)
4262 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4266 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4267 if (!qemu_display_find_default(&dpy)) {
4268 dpy.type = DISPLAY_TYPE_NONE;
4269 #if defined(CONFIG_VNC)
4270 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4274 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4275 dpy.type = DISPLAY_TYPE_NONE;
4278 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4279 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4280 "for SDL, ignoring option");
4282 if (dpy.has_window_close &&
4283 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4284 error_report("-no-quit is only valid for GTK and SDL, "
4288 qemu_display_early_init(&dpy);
4289 qemu_console_early_init();
4291 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4292 #if defined(CONFIG_OPENGL)
4293 error_report("OpenGL is not supported by the display");
4295 error_report("OpenGL support is disabled");
4303 qemu_opts_foreach(qemu_find_opts("object"),
4304 user_creatable_add_opts_foreach,
4305 object_create_initial, &error_fatal);
4307 qemu_opts_foreach(qemu_find_opts("chardev"),
4308 chardev_init_func, NULL, &error_fatal);
4310 #ifdef CONFIG_VIRTFS
4311 qemu_opts_foreach(qemu_find_opts("fsdev"),
4312 fsdev_init_func, NULL, &error_fatal);
4315 if (qemu_opts_foreach(qemu_find_opts("device"),
4316 device_help_func, NULL, NULL)) {
4320 machine_opts = qemu_get_machine_opts();
4321 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4324 configure_accelerator(current_machine);
4326 if (!qtest_enabled() && machine_class->deprecation_reason) {
4327 error_report("Machine type '%s' is deprecated: %s",
4328 machine_class->name, machine_class->deprecation_reason);
4332 * Register all the global properties, including accel properties,
4333 * machine properties, and user-specified ones.
4335 register_global_properties(current_machine);
4338 * Migration object can only be created after global properties
4339 * are applied correctly.
4341 migration_object_init();
4344 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4347 machine_opts = qemu_get_machine_opts();
4348 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4349 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4350 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4351 bios_name = qemu_opt_get(machine_opts, "firmware");
4353 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4355 boot_order = qemu_opt_get(opts, "order");
4357 validate_bootdevices(boot_order, &error_fatal);
4360 boot_once = qemu_opt_get(opts, "once");
4362 validate_bootdevices(boot_once, &error_fatal);
4365 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4366 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4370 boot_order = machine_class->default_boot_order;
4373 if (!kernel_cmdline) {
4374 kernel_cmdline = "";
4375 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4378 linux_boot = (kernel_filename != NULL);
4380 if (!linux_boot && *kernel_cmdline != '\0') {
4381 error_report("-append only allowed with -kernel option");
4385 if (!linux_boot && initrd_filename != NULL) {
4386 error_report("-initrd only allowed with -kernel option");
4390 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4391 /* fall back to the -kernel/-append */
4392 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4395 os_set_line_buffering();
4397 /* spice needs the timers to be initialized by this point */
4402 if (!tcg_enabled()) {
4403 error_report("-icount is not allowed with hardware virtualization");
4406 configure_icount(icount_opts, &error_abort);
4407 qemu_opts_del(icount_opts);
4410 if (tcg_enabled()) {
4411 qemu_tcg_configure(accel_opts, &error_fatal);
4415 QemuOptsList *net = qemu_find_opts("net");
4416 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4418 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4422 if (net_init_clients(&err) < 0) {
4423 error_report_err(err);
4427 qemu_opts_foreach(qemu_find_opts("object"),
4428 user_creatable_add_opts_foreach,
4429 object_create_delayed, &error_fatal);
4433 /* init the bluetooth world */
4434 if (foreach_device_config(DEV_BT, bt_parse))
4437 if (!xen_enabled()) {
4438 /* On 32-bit hosts, QEMU is limited by virtual address space */
4439 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4440 error_report("at most 2047 MB RAM can be simulated");
4447 dirty_bitmap_mig_init();
4449 /* If the currently selected machine wishes to override the units-per-bus
4450 * property of its default HBA interface type, do so now. */
4451 if (machine_class->units_per_default_bus) {
4452 override_max_devs(machine_class->block_default_type,
4453 machine_class->units_per_default_bus);
4456 /* open the virtual block devices */
4457 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4458 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4460 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4461 loc_push_restore(&bdo->loc);
4462 qmp_blockdev_add(bdo->bdo, &error_fatal);
4464 qapi_free_BlockdevOptions(bdo->bdo);
4467 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4468 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4471 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4472 &machine_class->block_default_type, &error_fatal)) {
4473 /* We printed help */
4477 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4479 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4480 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4482 qemu_opts_foreach(qemu_find_opts("mon"),
4483 mon_init_func, NULL, &error_fatal);
4485 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4487 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4489 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4491 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4494 /* If no default VGA is requested, the default is "none". */
4496 if (machine_class->default_display) {
4497 vga_model = machine_class->default_display;
4498 } else if (vga_interface_available(VGA_CIRRUS)) {
4499 vga_model = "cirrus";
4500 } else if (vga_interface_available(VGA_STD)) {
4505 select_vgahw(vga_model);
4509 i = select_watchdog(watchdog);
4511 exit (i == 1 ? 1 : 0);
4514 /* This checkpoint is required by replay to separate prior clock
4515 reading from the other reads, because timer polling functions query
4516 clock values from the log. */
4517 replay_checkpoint(CHECKPOINT_INIT);
4518 qdev_machine_init();
4520 current_machine->ram_size = ram_size;
4521 current_machine->maxram_size = maxram_size;
4522 current_machine->ram_slots = ram_slots;
4523 current_machine->boot_order = boot_order;
4525 /* parse features once if machine provides default cpu_type */
4526 current_machine->cpu_type = machine_class->default_cpu_type;
4528 current_machine->cpu_type = parse_cpu_model(cpu_model);
4530 parse_numa_opts(current_machine);
4532 /* do monitor/qmp handling at preconfig state if requested */
4535 /* from here on runstate is RUN_STATE_PRELAUNCH */
4536 machine_run_board_init(current_machine);
4542 if (hax_enabled()) {
4546 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4547 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4549 /* init USB devices */
4550 if (machine_usb(current_machine)) {
4551 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4555 /* Check if IGD GFX passthrough. */
4558 /* init generic devices */
4559 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4560 qemu_opts_foreach(qemu_find_opts("device"),
4561 device_init_func, NULL, &error_fatal);
4563 cpu_synchronize_all_post_init();
4565 rom_reset_order_override();
4567 /* Did we create any drives that we failed to create a device for? */
4568 drive_check_orphaned();
4570 /* Don't warn about the default network setup that you get if
4571 * no command line -net or -netdev options are specified. There
4572 * are two cases that we would otherwise complain about:
4573 * (1) board doesn't support a NIC but the implicit "-net nic"
4575 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4576 * sets up a nic that isn't connected to anything.
4578 if (!default_net && (!qtest_enabled() || has_defaults)) {
4579 net_check_clients();
4583 qemu_boot_set(boot_once, &error_fatal);
4584 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4587 /* init local displays */
4588 ds = init_displaystate();
4589 qemu_display_init(ds, &dpy);
4591 /* must be after terminal init, SDL library changes signal handlers */
4592 os_setup_signal_handling();
4594 /* init remote displays */
4596 qemu_opts_foreach(qemu_find_opts("vnc"),
4597 vnc_init_func, NULL, &error_fatal);
4601 qemu_spice_display_init();
4604 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4608 qdev_machine_creation_done();
4610 /* TODO: once all bus devices are qdevified, this should be done
4611 * when bus is created by qdev.c */
4612 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4613 qemu_run_machine_init_done_notifiers();
4615 if (rom_check_and_register_reset() != 0) {
4616 error_report("rom check and register reset failed");
4622 /* This checkpoint is required by replay to separate prior clock
4623 reading from the other reads, because timer polling functions query
4624 clock values from the log. */
4625 replay_checkpoint(CHECKPOINT_RESET);
4626 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4627 register_global_state();
4629 Error *local_err = NULL;
4630 if (load_snapshot(loadvm, &local_err) < 0) {
4631 error_report_err(local_err);
4636 if (replay_mode != REPLAY_MODE_NONE) {
4637 replay_vmstate_init();
4640 qdev_prop_check_globals();
4641 if (vmstate_dump_file) {
4643 dump_vmstate_json_to_file(vmstate_dump_file);
4648 Error *local_err = NULL;
4649 qemu_start_incoming_migration(incoming, &local_err);
4651 error_reportf_err(local_err, "-incoming %s: ", incoming);
4654 } else if (autostart) {
4658 accel_setup_post(current_machine);
4663 gdbserver_cleanup();
4665 /* No more vcpu or device emulation activity beyond this point */
4668 job_cancel_sync_all();
4673 /* vhost-user must be cleaned up before chardevs. */
4679 user_creatable_cleanup();
4680 migration_object_finalize();
4681 /* TODO: unref root container, check all devices are ok */