4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
40 return qemu_main(argc, argv, NULL);
43 #define main qemu_main
45 #endif /* CONFIG_SDL */
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
103 #include "fsdev/qemu-fsdev.h"
105 #include "sysemu/qtest.h"
107 #include "disas/disas.h"
110 #include "slirp/libslirp.h"
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/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];
196 int icount_align_option;
198 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
199 * little-endian "wire format" described in the SMBIOS 2.6 specification.
204 static NotifierList exit_notifiers =
205 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
207 static NotifierList machine_init_done_notifiers =
208 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
212 enum xen_mode xen_mode = XEN_EMULATE;
213 bool xen_domid_restrict;
215 static int has_defaults = 1;
216 static int default_serial = 1;
217 static int default_parallel = 1;
218 static int default_virtcon = 1;
219 static int default_monitor = 1;
220 static int default_floppy = 1;
221 static int default_cdrom = 1;
222 static int default_sdcard = 1;
223 static int default_vga = 1;
224 static int default_net = 1;
230 { .driver = "isa-serial", .flag = &default_serial },
231 { .driver = "isa-parallel", .flag = &default_parallel },
232 { .driver = "isa-fdc", .flag = &default_floppy },
233 { .driver = "floppy", .flag = &default_floppy },
234 { .driver = "ide-cd", .flag = &default_cdrom },
235 { .driver = "ide-hd", .flag = &default_cdrom },
236 { .driver = "ide-drive", .flag = &default_cdrom },
237 { .driver = "scsi-cd", .flag = &default_cdrom },
238 { .driver = "scsi-hd", .flag = &default_cdrom },
239 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
240 { .driver = "virtio-serial", .flag = &default_virtcon },
241 { .driver = "VGA", .flag = &default_vga },
242 { .driver = "isa-vga", .flag = &default_vga },
243 { .driver = "cirrus-vga", .flag = &default_vga },
244 { .driver = "isa-cirrus-vga", .flag = &default_vga },
245 { .driver = "vmware-svga", .flag = &default_vga },
246 { .driver = "qxl-vga", .flag = &default_vga },
247 { .driver = "virtio-vga", .flag = &default_vga },
250 static QemuOptsList qemu_rtc_opts = {
252 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
257 .type = QEMU_OPT_STRING,
260 .type = QEMU_OPT_STRING,
263 .type = QEMU_OPT_STRING,
265 { /* end of list */ }
269 static QemuOptsList qemu_option_rom_opts = {
270 .name = "option-rom",
271 .implied_opt_name = "romfile",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
276 .type = QEMU_OPT_NUMBER,
279 .type = QEMU_OPT_STRING,
281 { /* end of list */ }
285 static QemuOptsList qemu_machine_opts = {
287 .implied_opt_name = "type",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
292 * no elements => accept any
293 * sanity checking will happen later
294 * when setting machine properties
300 static QemuOptsList qemu_accel_opts = {
302 .implied_opt_name = "accel",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
308 .type = QEMU_OPT_STRING,
309 .help = "Select the type of accelerator",
313 .type = QEMU_OPT_STRING,
314 .help = "Enable/disable multi-threaded TCG",
316 { /* end of list */ }
320 static QemuOptsList qemu_boot_opts = {
322 .implied_opt_name = "order",
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
328 .type = QEMU_OPT_STRING,
331 .type = QEMU_OPT_STRING,
334 .type = QEMU_OPT_BOOL,
337 .type = QEMU_OPT_STRING,
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
346 .type = QEMU_OPT_BOOL,
352 static QemuOptsList qemu_add_fd_opts = {
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
369 { /* end of list */ }
373 static QemuOptsList qemu_object_opts = {
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
382 static QemuOptsList qemu_tpmdev_opts = {
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
392 static QemuOptsList qemu_realtime_opts = {
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
398 .type = QEMU_OPT_BOOL,
400 { /* end of list */ }
404 static QemuOptsList qemu_overcommit_opts = {
405 .name = "overcommit",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
410 .type = QEMU_OPT_BOOL,
414 .type = QEMU_OPT_BOOL,
416 { /* end of list */ }
420 static QemuOptsList qemu_msg_opts = {
422 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
426 .type = QEMU_OPT_BOOL,
428 { /* end of list */ }
432 static QemuOptsList qemu_name_opts = {
434 .implied_opt_name = "guest",
436 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
440 .type = QEMU_OPT_STRING,
441 .help = "Sets the name of the guest.\n"
442 "This name will be displayed in the SDL window caption.\n"
443 "The name will also be used for the VNC server",
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the QEMU process, as shown in top etc",
449 .name = "debug-threads",
450 .type = QEMU_OPT_BOOL,
451 .help = "When enabled, name the individual threads; defaults off.\n"
452 "NOTE: The thread names are for debugging and not a\n"
455 { /* End of list */ }
459 static QemuOptsList qemu_mem_opts = {
461 .implied_opt_name = "size",
462 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
467 .type = QEMU_OPT_SIZE,
471 .type = QEMU_OPT_NUMBER,
475 .type = QEMU_OPT_SIZE,
477 { /* end of list */ }
481 static QemuOptsList qemu_icount_opts = {
483 .implied_opt_name = "shift",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
489 .type = QEMU_OPT_STRING,
492 .type = QEMU_OPT_BOOL,
495 .type = QEMU_OPT_BOOL,
498 .type = QEMU_OPT_STRING,
501 .type = QEMU_OPT_STRING,
503 .name = "rrsnapshot",
504 .type = QEMU_OPT_STRING,
506 { /* end of list */ }
510 static QemuOptsList qemu_semihosting_config_opts = {
511 .name = "semihosting-config",
512 .implied_opt_name = "enable",
513 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
517 .type = QEMU_OPT_BOOL,
520 .type = QEMU_OPT_STRING,
523 .type = QEMU_OPT_STRING,
525 { /* end of list */ }
529 static QemuOptsList qemu_fw_cfg_opts = {
531 .implied_opt_name = "name",
532 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
536 .type = QEMU_OPT_STRING,
537 .help = "Sets the fw_cfg name of the blob to be inserted",
540 .type = QEMU_OPT_STRING,
541 .help = "Sets the name of the file from which "
542 "the fw_cfg blob will be loaded",
545 .type = QEMU_OPT_STRING,
546 .help = "Sets content of the blob to be inserted from a string",
548 { /* end of list */ }
553 * Get machine options
555 * Returns: machine options (never null).
557 QemuOpts *qemu_get_machine_opts(void)
559 return qemu_find_opts_singleton("machine");
562 const char *qemu_get_vm_name(void)
567 static void res_free(void)
569 g_free(boot_splash_filedata);
570 boot_splash_filedata = NULL;
573 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
575 const char *driver = qemu_opt_get(opts, "driver");
580 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
581 if (strcmp(default_list[i].driver, driver) != 0)
583 *(default_list[i].flag) = 0;
588 /***********************************************************/
591 static RunState current_run_state = RUN_STATE_PRECONFIG;
593 /* We use RUN_STATE__MAX but any invalid value will do */
594 static RunState vmstop_requested = RUN_STATE__MAX;
595 static QemuMutex vmstop_lock;
600 } RunStateTransition;
602 static const RunStateTransition runstate_transitions_def[] = {
604 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
605 /* Early switch to inmigrate state to allow -incoming CLI option work
606 * as it used to. TODO: delay actual switching to inmigrate state to
607 * the point after machine is built and remove this hack.
609 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
611 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
612 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
615 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
617 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
618 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
620 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
621 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
622 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
623 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
625 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
632 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
633 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
636 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
637 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
639 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
640 { RUN_STATE_PAUSED, RUN_STATE_COLO},
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
656 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
657 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
659 { RUN_STATE_COLO, RUN_STATE_RUNNING },
661 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
662 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
664 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
665 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
668 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
669 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
670 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
671 { RUN_STATE_RUNNING, RUN_STATE_COLO},
673 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
679 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
680 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
681 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
682 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
683 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
684 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
686 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
687 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
688 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
689 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
695 { RUN_STATE__MAX, RUN_STATE__MAX },
698 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
700 bool runstate_check(RunState state)
702 return current_run_state == state;
705 bool runstate_store(char *str, size_t size)
707 const char *state = RunState_str(current_run_state);
708 size_t len = strlen(state) + 1;
713 memcpy(str, state, len);
717 static void runstate_init(void)
719 const RunStateTransition *p;
721 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
722 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
723 runstate_valid_transitions[p->from][p->to] = true;
726 qemu_mutex_init(&vmstop_lock);
729 /* This function will abort() on invalid state transitions */
730 void runstate_set(RunState new_state)
732 assert(new_state < RUN_STATE__MAX);
734 if (current_run_state == new_state) {
738 if (!runstate_valid_transitions[current_run_state][new_state]) {
739 error_report("invalid runstate transition: '%s' -> '%s'",
740 RunState_str(current_run_state),
741 RunState_str(new_state));
744 trace_runstate_set(new_state);
745 current_run_state = new_state;
748 int runstate_is_running(void)
750 return runstate_check(RUN_STATE_RUNNING);
753 bool runstate_needs_reset(void)
755 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
756 runstate_check(RUN_STATE_SHUTDOWN);
759 StatusInfo *qmp_query_status(Error **errp)
761 StatusInfo *info = g_malloc0(sizeof(*info));
763 info->running = runstate_is_running();
764 info->singlestep = singlestep;
765 info->status = current_run_state;
770 bool qemu_vmstop_requested(RunState *r)
772 qemu_mutex_lock(&vmstop_lock);
773 *r = vmstop_requested;
774 vmstop_requested = RUN_STATE__MAX;
775 qemu_mutex_unlock(&vmstop_lock);
776 return *r < RUN_STATE__MAX;
779 void qemu_system_vmstop_request_prepare(void)
781 qemu_mutex_lock(&vmstop_lock);
784 void qemu_system_vmstop_request(RunState state)
786 vmstop_requested = state;
787 qemu_mutex_unlock(&vmstop_lock);
791 /***********************************************************/
792 /* RTC reference time/date access */
793 static time_t qemu_ref_timedate(QEMUClockType clock)
795 time_t value = qemu_clock_get_ms(clock) / 1000;
797 case QEMU_CLOCK_REALTIME:
798 value -= rtc_realtime_clock_offset;
800 case QEMU_CLOCK_VIRTUAL:
801 value += rtc_ref_start_datetime;
803 case QEMU_CLOCK_HOST:
804 if (rtc_base_type == RTC_BASE_DATETIME) {
805 value -= rtc_host_datetime_offset;
814 void qemu_get_timedate(struct tm *tm, int offset)
816 time_t ti = qemu_ref_timedate(rtc_clock);
820 switch (rtc_base_type) {
821 case RTC_BASE_DATETIME:
825 case RTC_BASE_LOCALTIME:
826 localtime_r(&ti, tm);
831 int qemu_timedate_diff(struct tm *tm)
835 switch (rtc_base_type) {
836 case RTC_BASE_DATETIME:
838 seconds = mktimegm(tm);
840 case RTC_BASE_LOCALTIME:
843 tmp.tm_isdst = -1; /* use timezone to figure it out */
844 seconds = mktime(&tmp);
851 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
854 static void configure_rtc_base_datetime(const char *startdate)
856 time_t rtc_start_datetime;
859 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
860 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
862 } else if (sscanf(startdate, "%d-%d-%d",
863 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
872 rtc_start_datetime = mktimegm(&tm);
873 if (rtc_start_datetime == -1) {
875 error_report("invalid datetime format");
876 error_printf("valid formats: "
877 "'2006-06-17T16:01:21' or '2006-06-17'\n");
880 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
881 rtc_ref_start_datetime = rtc_start_datetime;
884 static void configure_rtc(QemuOpts *opts)
889 rtc_clock = QEMU_CLOCK_HOST;
890 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
891 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
893 value = qemu_opt_get(opts, "base");
895 if (!strcmp(value, "utc")) {
896 rtc_base_type = RTC_BASE_UTC;
897 } else if (!strcmp(value, "localtime")) {
898 Error *blocker = NULL;
899 rtc_base_type = RTC_BASE_LOCALTIME;
900 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
901 "-rtc base=localtime");
902 replay_add_blocker(blocker);
904 rtc_base_type = RTC_BASE_DATETIME;
905 configure_rtc_base_datetime(value);
908 value = qemu_opt_get(opts, "clock");
910 if (!strcmp(value, "host")) {
911 rtc_clock = QEMU_CLOCK_HOST;
912 } else if (!strcmp(value, "rt")) {
913 rtc_clock = QEMU_CLOCK_REALTIME;
914 } else if (!strcmp(value, "vm")) {
915 rtc_clock = QEMU_CLOCK_VIRTUAL;
917 error_report("invalid option value '%s'", value);
921 value = qemu_opt_get(opts, "driftfix");
923 if (!strcmp(value, "slew")) {
924 static GlobalProperty slew_lost_ticks = {
925 .driver = "mc146818rtc",
926 .property = "lost_tick_policy",
930 qdev_prop_register_global(&slew_lost_ticks);
931 } else if (!strcmp(value, "none")) {
932 /* discard is default */
934 error_report("invalid option value '%s'", value);
940 /***********************************************************/
941 /* Bluetooth support */
944 static struct HCIInfo *hci_table[MAX_NICS];
946 struct HCIInfo *qemu_next_hci(void)
948 if (cur_hci == nb_hcis)
951 return hci_table[cur_hci++];
954 static int bt_hci_parse(const char *str)
959 if (nb_hcis >= MAX_NICS) {
960 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
973 bdaddr.b[5] = 0x56 + nb_hcis;
974 hci->bdaddr_set(hci, bdaddr.b);
976 hci_table[nb_hcis++] = hci;
981 static void bt_vhci_add(int vlan_id)
983 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
986 warn_report("adding a VHCI to an empty scatternet %i",
989 bt_vhci_init(bt_new_hci(vlan));
992 static struct bt_device_s *bt_device_add(const char *opt)
994 struct bt_scatternet_s *vlan;
996 char *endp = strstr(opt, ",vlan=");
997 int len = (endp ? endp - opt : strlen(opt)) + 1;
1000 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1003 vlan_id = strtol(endp + 6, &endp, 0);
1005 error_report("unrecognised bluetooth vlan Id");
1010 vlan = qemu_find_bt_vlan(vlan_id);
1013 warn_report("adding a slave device to an empty scatternet %i",
1016 if (!strcmp(devname, "keyboard"))
1017 return bt_keyboard_init(vlan);
1019 error_report("unsupported bluetooth device '%s'", devname);
1023 static int bt_parse(const char *opt)
1025 const char *endp, *p;
1028 if (strstart(opt, "hci", &endp)) {
1029 if (!*endp || *endp == ',') {
1031 if (!strstart(endp, ",vlan=", 0))
1034 return bt_hci_parse(opt);
1036 } else if (strstart(opt, "vhci", &endp)) {
1037 if (!*endp || *endp == ',') {
1039 if (strstart(endp, ",vlan=", &p)) {
1040 vlan = strtol(p, (char **) &endp, 0);
1042 error_report("bad scatternet '%s'", p);
1046 error_report("bad parameter '%s'", endp + 1);
1055 } else if (strstart(opt, "device:", &endp))
1056 return !bt_device_add(endp);
1058 error_report("bad bluetooth parameter '%s'", opt);
1062 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1064 const char *proc_name;
1066 if (qemu_opt_get(opts, "debug-threads")) {
1067 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1069 qemu_name = qemu_opt_get(opts, "guest");
1071 proc_name = qemu_opt_get(opts, "process");
1073 os_set_proc_name(proc_name);
1079 bool defaults_enabled(void)
1081 return has_defaults;
1085 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1087 int fd, dupfd, flags;
1089 const char *fd_opaque = NULL;
1092 fd = qemu_opt_get_number(opts, "fd", -1);
1093 fdset_id = qemu_opt_get_number(opts, "set", -1);
1094 fd_opaque = qemu_opt_get(opts, "opaque");
1097 error_setg(errp, "fd option is required and must be non-negative");
1101 if (fd <= STDERR_FILENO) {
1102 error_setg(errp, "fd cannot be a standard I/O stream");
1107 * All fds inherited across exec() necessarily have FD_CLOEXEC
1108 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1110 flags = fcntl(fd, F_GETFD);
1111 if (flags == -1 || (flags & FD_CLOEXEC)) {
1112 error_setg(errp, "fd is not valid or already in use");
1117 error_setg(errp, "set option is required and must be non-negative");
1121 #ifdef F_DUPFD_CLOEXEC
1122 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1126 qemu_set_cloexec(dupfd);
1130 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1134 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1135 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1142 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1146 fd = qemu_opt_get_number(opts, "fd", -1);
1153 /***********************************************************/
1154 /* QEMU Block devices */
1156 #define HD_OPTS "media=disk"
1157 #define CDROM_OPTS "media=cdrom"
1159 #define PFLASH_OPTS ""
1163 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1165 BlockInterfaceType *block_default_type = opaque;
1167 return drive_new(opts, *block_default_type, errp) == NULL;
1170 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1172 if (qemu_opt_get(opts, "snapshot") == NULL) {
1173 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1178 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1179 int index, const char *optstr)
1184 if (!enable || drive_get_by_index(type, index)) {
1188 opts = drive_add(type, index, NULL, optstr);
1190 drive_enable_snapshot(NULL, opts, NULL);
1193 dinfo = drive_new(opts, type, &error_abort);
1194 dinfo->is_default = true;
1198 static QemuOptsList qemu_smp_opts = {
1200 .implied_opt_name = "cpus",
1201 .merge_lists = true,
1202 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1206 .type = QEMU_OPT_NUMBER,
1209 .type = QEMU_OPT_NUMBER,
1212 .type = QEMU_OPT_NUMBER,
1215 .type = QEMU_OPT_NUMBER,
1218 .type = QEMU_OPT_NUMBER,
1220 { /*End of list */ }
1224 static void smp_parse(QemuOpts *opts)
1227 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1228 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1229 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1230 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1232 /* compute missing values, prefer sockets over cores over threads */
1233 if (cpus == 0 || sockets == 0) {
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1237 sockets = sockets > 0 ? sockets : 1;
1238 cpus = cores * threads * sockets;
1240 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1241 sockets = max_cpus / (cores * threads);
1243 } else if (cores == 0) {
1244 threads = threads > 0 ? threads : 1;
1245 cores = cpus / (sockets * threads);
1246 cores = cores > 0 ? cores : 1;
1247 } else if (threads == 0) {
1248 threads = cpus / (cores * sockets);
1249 threads = threads > 0 ? threads : 1;
1250 } else if (sockets * cores * threads < cpus) {
1251 error_report("cpu topology: "
1252 "sockets (%u) * cores (%u) * threads (%u) < "
1254 sockets, cores, threads, cpus);
1258 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1260 if (max_cpus < cpus) {
1261 error_report("maxcpus must be equal to or greater than smp");
1265 if (sockets * cores * threads > max_cpus) {
1266 error_report("cpu topology: "
1267 "sockets (%u) * cores (%u) * threads (%u) > "
1269 sockets, cores, threads, max_cpus);
1273 if (sockets * cores * threads != max_cpus) {
1274 warn_report("Invalid CPU topology deprecated: "
1275 "sockets (%u) * cores (%u) * threads (%u) "
1277 sockets, cores, threads, max_cpus);
1282 smp_threads = threads;
1286 Error *blocker = NULL;
1287 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1288 replay_add_blocker(blocker);
1292 static void realtime_init(void)
1295 if (os_mlock() < 0) {
1296 error_report("locking memory failed");
1303 static void configure_msg(QemuOpts *opts)
1305 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1308 /***********************************************************/
1311 typedef struct SemihostingConfig {
1313 SemihostingTarget target;
1316 const char *cmdline; /* concatenated argv */
1317 } SemihostingConfig;
1319 static SemihostingConfig semihosting;
1321 bool semihosting_enabled(void)
1323 return semihosting.enabled;
1326 SemihostingTarget semihosting_get_target(void)
1328 return semihosting.target;
1331 const char *semihosting_get_arg(int i)
1333 if (i >= semihosting.argc) {
1336 return semihosting.argv[i];
1339 int semihosting_get_argc(void)
1341 return semihosting.argc;
1344 const char *semihosting_get_cmdline(void)
1346 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1347 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1349 return semihosting.cmdline;
1352 static int add_semihosting_arg(void *opaque,
1353 const char *name, const char *val,
1356 SemihostingConfig *s = opaque;
1357 if (strcmp(name, "arg") == 0) {
1359 /* one extra element as g_strjoinv() expects NULL-terminated array */
1360 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1361 s->argv[s->argc - 1] = val;
1362 s->argv[s->argc] = NULL;
1367 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1368 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1373 add_semihosting_arg(&semihosting, "arg", file, NULL);
1375 /* split -append and initialize argv[1..n] */
1376 cmd_token = strtok(g_strdup(cmd), " ");
1378 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1379 cmd_token = strtok(NULL, " ");
1383 /* Now we still need this for compatibility with XEN. */
1384 bool has_igd_gfx_passthru;
1385 static void igd_gfx_passthru(void)
1387 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1390 /***********************************************************/
1393 static int usb_device_add(const char *devname)
1395 USBDevice *dev = NULL;
1397 if (!machine_usb(current_machine)) {
1401 dev = usbdevice_create(devname);
1408 static int usb_parse(const char *cmdline)
1411 r = usb_device_add(cmdline);
1413 error_report("could not add USB device '%s'", cmdline);
1418 /***********************************************************/
1419 /* machine registration */
1421 MachineState *current_machine;
1423 static MachineClass *find_machine(const char *name)
1425 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1426 MachineClass *mc = NULL;
1428 for (el = machines; el; el = el->next) {
1429 MachineClass *temp = el->data;
1431 if (!strcmp(temp->name, name)) {
1436 !strcmp(temp->alias, name)) {
1442 g_slist_free(machines);
1446 MachineClass *find_default_machine(void)
1448 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1449 MachineClass *mc = NULL;
1451 for (el = machines; el; el = el->next) {
1452 MachineClass *temp = el->data;
1454 if (temp->is_default) {
1460 g_slist_free(machines);
1464 MachineInfoList *qmp_query_machines(Error **errp)
1466 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1467 MachineInfoList *mach_list = NULL;
1469 for (el = machines; el; el = el->next) {
1470 MachineClass *mc = el->data;
1471 MachineInfoList *entry;
1474 info = g_malloc0(sizeof(*info));
1475 if (mc->is_default) {
1476 info->has_is_default = true;
1477 info->is_default = true;
1481 info->has_alias = true;
1482 info->alias = g_strdup(mc->alias);
1485 info->name = g_strdup(mc->name);
1486 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1487 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1489 entry = g_malloc0(sizeof(*entry));
1490 entry->value = info;
1491 entry->next = mach_list;
1495 g_slist_free(machines);
1499 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1501 ObjectProperty *prop;
1502 ObjectPropertyIterator iter;
1504 if (!qemu_opt_has_help_opt(opts)) {
1508 object_property_iter_init(&iter, OBJECT(machine));
1509 while ((prop = object_property_iter_next(&iter))) {
1514 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1515 prop->name, prop->type);
1516 if (prop->description) {
1517 error_printf(" (%s)\n", prop->description);
1526 struct vm_change_state_entry {
1527 VMChangeStateHandler *cb;
1529 QLIST_ENTRY (vm_change_state_entry) entries;
1532 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1534 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1537 VMChangeStateEntry *e;
1539 e = g_malloc0(sizeof (*e));
1543 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1547 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1549 QLIST_REMOVE (e, entries);
1553 void vm_state_notify(int running, RunState state)
1555 VMChangeStateEntry *e, *next;
1557 trace_vm_state_notify(running, state);
1559 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1560 e->cb(e->opaque, running, state);
1564 static ShutdownCause reset_requested;
1565 static ShutdownCause shutdown_requested;
1566 static int shutdown_signal;
1567 static pid_t shutdown_pid;
1568 static int powerdown_requested;
1569 static int debug_requested;
1570 static int suspend_requested;
1571 static bool preconfig_exit_requested = true;
1572 static WakeupReason wakeup_reason;
1573 static NotifierList powerdown_notifiers =
1574 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1575 static NotifierList suspend_notifiers =
1576 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1577 static NotifierList wakeup_notifiers =
1578 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1579 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1581 ShutdownCause qemu_shutdown_requested_get(void)
1583 return shutdown_requested;
1586 ShutdownCause qemu_reset_requested_get(void)
1588 return reset_requested;
1591 static int qemu_shutdown_requested(void)
1593 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1596 static void qemu_kill_report(void)
1598 if (!qtest_driver() && shutdown_signal) {
1599 if (shutdown_pid == 0) {
1600 /* This happens for eg ^C at the terminal, so it's worth
1601 * avoiding printing an odd message in that case.
1603 error_report("terminating on signal %d", shutdown_signal);
1605 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1607 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1608 shutdown_signal, shutdown_pid,
1609 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1610 g_free(shutdown_cmd);
1612 shutdown_signal = 0;
1616 static ShutdownCause qemu_reset_requested(void)
1618 ShutdownCause r = reset_requested;
1620 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1621 reset_requested = SHUTDOWN_CAUSE_NONE;
1624 return SHUTDOWN_CAUSE_NONE;
1627 static int qemu_suspend_requested(void)
1629 int r = suspend_requested;
1630 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1631 suspend_requested = 0;
1637 static WakeupReason qemu_wakeup_requested(void)
1639 return wakeup_reason;
1642 static int qemu_powerdown_requested(void)
1644 int r = powerdown_requested;
1645 powerdown_requested = 0;
1649 static int qemu_debug_requested(void)
1651 int r = debug_requested;
1652 debug_requested = 0;
1656 void qemu_exit_preconfig_request(void)
1658 preconfig_exit_requested = true;
1662 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1664 void qemu_system_reset(ShutdownCause reason)
1668 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1670 cpu_synchronize_all_states();
1672 if (mc && mc->reset) {
1675 qemu_devices_reset();
1677 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1678 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1680 cpu_synchronize_all_post_reset();
1683 void qemu_system_guest_panicked(GuestPanicInformation *info)
1685 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1688 current_cpu->crash_occurred = true;
1690 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1692 vm_stop(RUN_STATE_GUEST_PANICKED);
1694 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1696 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1700 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1701 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1702 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1703 info->u.hyper_v.arg1,
1704 info->u.hyper_v.arg2,
1705 info->u.hyper_v.arg3,
1706 info->u.hyper_v.arg4,
1707 info->u.hyper_v.arg5);
1708 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1709 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1710 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1712 S390CrashReason_str(info->u.s390.reason),
1713 info->u.s390.psw_mask,
1714 info->u.s390.psw_addr);
1716 qapi_free_GuestPanicInformation(info);
1720 void qemu_system_reset_request(ShutdownCause reason)
1722 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1723 shutdown_requested = reason;
1725 reset_requested = reason;
1728 qemu_notify_event();
1731 static void qemu_system_suspend(void)
1734 notifier_list_notify(&suspend_notifiers, NULL);
1735 runstate_set(RUN_STATE_SUSPENDED);
1736 qapi_event_send_suspend();
1739 void qemu_system_suspend_request(void)
1741 if (runstate_check(RUN_STATE_SUSPENDED)) {
1744 suspend_requested = 1;
1746 qemu_notify_event();
1749 void qemu_register_suspend_notifier(Notifier *notifier)
1751 notifier_list_add(&suspend_notifiers, notifier);
1754 void qemu_system_wakeup_request(WakeupReason reason)
1756 trace_system_wakeup_request(reason);
1758 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1761 if (!(wakeup_reason_mask & (1 << reason))) {
1764 runstate_set(RUN_STATE_RUNNING);
1765 wakeup_reason = reason;
1766 qemu_notify_event();
1769 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1772 wakeup_reason_mask |= (1 << reason);
1774 wakeup_reason_mask &= ~(1 << reason);
1778 void qemu_register_wakeup_notifier(Notifier *notifier)
1780 notifier_list_add(&wakeup_notifiers, notifier);
1783 void qemu_system_killed(int signal, pid_t pid)
1785 shutdown_signal = signal;
1789 /* Cannot call qemu_system_shutdown_request directly because
1790 * we are in a signal handler.
1792 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1793 qemu_notify_event();
1796 void qemu_system_shutdown_request(ShutdownCause reason)
1798 trace_qemu_system_shutdown_request(reason);
1799 replay_shutdown_request(reason);
1800 shutdown_requested = reason;
1801 qemu_notify_event();
1804 static void qemu_system_powerdown(void)
1806 qapi_event_send_powerdown();
1807 notifier_list_notify(&powerdown_notifiers, NULL);
1810 void qemu_system_powerdown_request(void)
1812 trace_qemu_system_powerdown_request();
1813 powerdown_requested = 1;
1814 qemu_notify_event();
1817 void qemu_register_powerdown_notifier(Notifier *notifier)
1819 notifier_list_add(&powerdown_notifiers, notifier);
1822 void qemu_system_debug_request(void)
1824 debug_requested = 1;
1825 qemu_notify_event();
1828 static bool main_loop_should_exit(void)
1831 ShutdownCause request;
1833 if (preconfig_exit_requested) {
1834 if (runstate_check(RUN_STATE_PRECONFIG)) {
1835 runstate_set(RUN_STATE_PRELAUNCH);
1837 preconfig_exit_requested = false;
1840 if (qemu_debug_requested()) {
1841 vm_stop(RUN_STATE_DEBUG);
1843 if (qemu_suspend_requested()) {
1844 qemu_system_suspend();
1846 request = qemu_shutdown_requested();
1849 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1851 vm_stop(RUN_STATE_SHUTDOWN);
1856 request = qemu_reset_requested();
1859 qemu_system_reset(request);
1861 if (!runstate_check(RUN_STATE_RUNNING) &&
1862 !runstate_check(RUN_STATE_INMIGRATE)) {
1863 runstate_set(RUN_STATE_PRELAUNCH);
1866 if (qemu_wakeup_requested()) {
1868 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1869 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1870 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1872 qapi_event_send_wakeup();
1874 if (qemu_powerdown_requested()) {
1875 qemu_system_powerdown();
1877 if (qemu_vmstop_requested(&r)) {
1883 static void main_loop(void)
1885 #ifdef CONFIG_PROFILER
1888 while (!main_loop_should_exit()) {
1889 #ifdef CONFIG_PROFILER
1890 ti = profile_getclock();
1892 main_loop_wait(false);
1893 #ifdef CONFIG_PROFILER
1894 dev_time += profile_getclock() - ti;
1899 static void version(void)
1901 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1902 QEMU_COPYRIGHT "\n");
1905 static void help(int exitcode)
1908 printf("usage: %s [options] [disk_image]\n\n"
1909 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1910 error_get_progname());
1912 #define QEMU_OPTIONS_GENERATE_HELP
1913 #include "qemu-options-wrapper.h"
1915 printf("\nDuring emulation, the following keys are useful:\n"
1916 "ctrl-alt-f toggle full screen\n"
1917 "ctrl-alt-n switch to virtual console 'n'\n"
1918 "ctrl-alt toggle mouse and keyboard grab\n"
1920 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1922 QEMU_HELP_BOTTOM "\n");
1927 #define HAS_ARG 0x0001
1929 typedef struct QEMUOption {
1936 static const QEMUOption qemu_options[] = {
1937 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1938 #define QEMU_OPTIONS_GENERATE_OPTIONS
1939 #include "qemu-options-wrapper.h"
1943 typedef struct VGAInterfaceInfo {
1944 const char *opt_name; /* option name */
1945 const char *name; /* human-readable name */
1946 /* Class names indicating that support is available.
1947 * If no class is specified, the interface is always available */
1948 const char *class_names[2];
1951 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1957 .name = "standard VGA",
1958 .class_names = { "VGA", "isa-vga" },
1961 .opt_name = "cirrus",
1962 .name = "Cirrus VGA",
1963 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1966 .opt_name = "vmware",
1967 .name = "VMWare SVGA",
1968 .class_names = { "vmware-svga" },
1971 .opt_name = "virtio",
1972 .name = "Virtio VGA",
1973 .class_names = { "virtio-vga" },
1978 .class_names = { "qxl-vga" },
1982 .name = "TCX framebuffer",
1983 .class_names = { "SUNW,tcx" },
1987 .name = "CG3 framebuffer",
1988 .class_names = { "cgthree" },
1991 .opt_name = "xenfb",
1995 static bool vga_interface_available(VGAInterfaceType t)
1997 VGAInterfaceInfo *ti = &vga_interfaces[t];
1999 assert(t < VGA_TYPE_MAX);
2000 return !ti->class_names[0] ||
2001 object_class_by_name(ti->class_names[0]) ||
2002 object_class_by_name(ti->class_names[1]);
2005 static void select_vgahw(const char *p)
2010 assert(vga_interface_type == VGA_NONE);
2011 for (t = 0; t < VGA_TYPE_MAX; t++) {
2012 VGAInterfaceInfo *ti = &vga_interfaces[t];
2013 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2014 if (!vga_interface_available(t)) {
2015 error_report("%s not available", ti->name);
2018 vga_interface_type = t;
2022 if (t == VGA_TYPE_MAX) {
2024 error_report("unknown vga type: %s", p);
2028 const char *nextopt;
2030 if (strstart(opts, ",retrace=", &nextopt)) {
2032 if (strstart(opts, "dumb", &nextopt))
2033 vga_retrace_method = VGA_RETRACE_DUMB;
2034 else if (strstart(opts, "precise", &nextopt))
2035 vga_retrace_method = VGA_RETRACE_PRECISE;
2036 else goto invalid_vga;
2037 } else goto invalid_vga;
2042 static void parse_display_qapi(const char *optarg)
2044 DisplayOptions *opts;
2047 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2049 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2050 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2052 qapi_free_DisplayOptions(opts);
2056 DisplayOptions *qmp_query_display_options(Error **errp)
2058 return QAPI_CLONE(DisplayOptions, &dpy);
2061 static void parse_display(const char *p)
2065 if (strstart(p, "sdl", &opts)) {
2067 * sdl DisplayType needs hand-crafted parser instead of
2068 * parse_display_qapi() due to some options not in
2069 * DisplayOptions, specifically:
2071 * Already deprecated.
2072 * - ctrl_grab + alt_grab
2073 * Not clear yet what happens to them long-term. Should
2074 * replaced by something better or deprecated and dropped.
2076 dpy.type = DISPLAY_TYPE_SDL;
2078 const char *nextopt;
2080 if (strstart(opts, ",frame=", &nextopt)) {
2081 g_printerr("The frame= sdl option is deprecated, and will be\n"
2082 "removed in a future release.\n");
2084 if (strstart(opts, "on", &nextopt)) {
2086 } else if (strstart(opts, "off", &nextopt)) {
2089 goto invalid_sdl_args;
2091 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2093 if (strstart(opts, "on", &nextopt)) {
2095 } else if (strstart(opts, "off", &nextopt)) {
2098 goto invalid_sdl_args;
2100 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2102 if (strstart(opts, "on", &nextopt)) {
2104 } else if (strstart(opts, "off", &nextopt)) {
2107 goto invalid_sdl_args;
2109 } else if (strstart(opts, ",window_close=", &nextopt)) {
2111 dpy.has_window_close = true;
2112 if (strstart(opts, "on", &nextopt)) {
2113 dpy.window_close = true;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 dpy.window_close = false;
2117 goto invalid_sdl_args;
2119 } else if (strstart(opts, ",gl=", &nextopt)) {
2122 if (strstart(opts, "on", &nextopt)) {
2123 dpy.gl = DISPLAYGL_MODE_ON;
2124 } else if (strstart(opts, "core", &nextopt)) {
2125 dpy.gl = DISPLAYGL_MODE_CORE;
2126 } else if (strstart(opts, "es", &nextopt)) {
2127 dpy.gl = DISPLAYGL_MODE_ES;
2128 } else if (strstart(opts, "off", &nextopt)) {
2129 dpy.gl = DISPLAYGL_MODE_OFF;
2131 goto invalid_sdl_args;
2135 error_report("invalid SDL option string");
2140 } else if (strstart(p, "vnc", &opts)) {
2142 * vnc isn't a (local) DisplayType but a protocol for remote
2146 vnc_parse(opts + 1, &error_fatal);
2148 error_report("VNC requires a display argument vnc=<display>");
2152 parse_display_qapi(p);
2156 char *qemu_find_file(int type, const char *name)
2162 /* Try the name as a straight path first */
2163 if (access(name, R_OK) == 0) {
2164 trace_load_file(name, name);
2165 return g_strdup(name);
2169 case QEMU_FILE_TYPE_BIOS:
2172 case QEMU_FILE_TYPE_KEYMAP:
2173 subdir = "keymaps/";
2179 for (i = 0; i < data_dir_idx; i++) {
2180 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2181 if (access(buf, R_OK) == 0) {
2182 trace_load_file(name, buf);
2190 static void qemu_add_data_dir(const char *path)
2197 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2200 for (i = 0; i < data_dir_idx; i++) {
2201 if (strcmp(data_dir[i], path) == 0) {
2202 return; /* duplicate */
2205 data_dir[data_dir_idx++] = g_strdup(path);
2208 static inline bool nonempty_str(const char *str)
2213 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2217 const char *name, *file, *str;
2218 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2220 if (fw_cfg == NULL) {
2221 error_setg(errp, "fw_cfg device not available");
2224 name = qemu_opt_get(opts, "name");
2225 file = qemu_opt_get(opts, "file");
2226 str = qemu_opt_get(opts, "string");
2228 /* we need name and either a file or the content string */
2229 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2230 error_setg(errp, "invalid argument(s)");
2233 if (nonempty_str(file) && nonempty_str(str)) {
2234 error_setg(errp, "file and string are mutually exclusive");
2237 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2238 error_setg(errp, "name too long (max. %d char)",
2239 FW_CFG_MAX_FILE_PATH - 1);
2242 if (strncmp(name, "opt/", 4) != 0) {
2243 warn_report("externally provided fw_cfg item names "
2244 "should be prefixed with \"opt/\"");
2246 if (nonempty_str(str)) {
2247 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2248 buf = g_memdup(str, size);
2251 if (!g_file_get_contents(file, &buf, &size, &err)) {
2252 error_setg(errp, "can't load %s: %s", file, err->message);
2257 /* For legacy, keep user files in a specific global order. */
2258 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2259 fw_cfg_add_file(fw_cfg, name, buf, size);
2260 fw_cfg_reset_order_override(fw_cfg);
2264 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2266 return qdev_device_help(opts);
2269 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2273 dev = qdev_device_add(opts, errp);
2277 object_unref(OBJECT(dev));
2281 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2283 Error *local_err = NULL;
2285 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2287 error_propagate(errp, local_err);
2295 #ifdef CONFIG_VIRTFS
2296 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2298 return qemu_fsdev_add(opts, errp);
2302 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2305 const char *chardev;
2309 mode = qemu_opt_get(opts, "mode");
2313 if (strcmp(mode, "readline") == 0) {
2314 flags = MONITOR_USE_READLINE;
2315 } else if (strcmp(mode, "control") == 0) {
2316 flags = MONITOR_USE_CONTROL;
2318 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2322 if (qemu_opt_get_bool(opts, "pretty", 0))
2323 flags |= MONITOR_USE_PRETTY;
2325 chardev = qemu_opt_get(opts, "chardev");
2327 error_report("chardev is required");
2330 chr = qemu_chr_find(chardev);
2332 error_setg(errp, "chardev \"%s\" not found", chardev);
2336 monitor_init(chr, flags);
2340 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2342 static int monitor_device_index = 0;
2347 if (strstart(optarg, "chardev:", &p)) {
2348 snprintf(label, sizeof(label), "%s", p);
2350 snprintf(label, sizeof(label), "compat_monitor%d",
2351 monitor_device_index);
2352 opts = qemu_chr_parse_compat(label, optarg, true);
2354 error_report("parse error: %s", optarg);
2359 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2360 qemu_opt_set(opts, "mode", mode, &error_abort);
2361 qemu_opt_set(opts, "chardev", label, &error_abort);
2362 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2363 monitor_device_index++;
2366 struct device_config {
2368 DEV_USB, /* -usbdevice */
2370 DEV_SERIAL, /* -serial */
2371 DEV_PARALLEL, /* -parallel */
2372 DEV_VIRTCON, /* -virtioconsole */
2373 DEV_DEBUGCON, /* -debugcon */
2374 DEV_GDB, /* -gdb, -s */
2375 DEV_SCLP, /* s390 sclp */
2377 const char *cmdline;
2379 QTAILQ_ENTRY(device_config) next;
2382 static QTAILQ_HEAD(, device_config) device_configs =
2383 QTAILQ_HEAD_INITIALIZER(device_configs);
2385 static void add_device_config(int type, const char *cmdline)
2387 struct device_config *conf;
2389 conf = g_malloc0(sizeof(*conf));
2391 conf->cmdline = cmdline;
2392 loc_save(&conf->loc);
2393 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2396 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2398 struct device_config *conf;
2401 QTAILQ_FOREACH(conf, &device_configs, next) {
2402 if (conf->type != type)
2404 loc_push_restore(&conf->loc);
2405 rc = func(conf->cmdline);
2406 loc_pop(&conf->loc);
2414 static int serial_parse(const char *devname)
2416 int index = num_serial_hds;
2419 if (strcmp(devname, "none") == 0)
2421 snprintf(label, sizeof(label), "serial%d", index);
2422 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2424 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2425 if (!serial_hds[index]) {
2426 error_report("could not connect serial device"
2427 " to character backend '%s'", devname);
2434 Chardev *serial_hd(int i)
2437 if (i < num_serial_hds) {
2438 return serial_hds[i];
2443 int serial_max_hds(void)
2445 return num_serial_hds;
2448 static int parallel_parse(const char *devname)
2450 static int index = 0;
2453 if (strcmp(devname, "none") == 0)
2455 if (index == MAX_PARALLEL_PORTS) {
2456 error_report("too many parallel ports");
2459 snprintf(label, sizeof(label), "parallel%d", index);
2460 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2461 if (!parallel_hds[index]) {
2462 error_report("could not connect parallel device"
2463 " to character backend '%s'", devname);
2470 static int virtcon_parse(const char *devname)
2472 QemuOptsList *device = qemu_find_opts("device");
2473 static int index = 0;
2475 QemuOpts *bus_opts, *dev_opts;
2477 if (strcmp(devname, "none") == 0)
2479 if (index == MAX_VIRTIO_CONSOLES) {
2480 error_report("too many virtio consoles");
2484 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2485 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2487 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2488 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2490 snprintf(label, sizeof(label), "virtcon%d", index);
2491 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2492 if (!virtcon_hds[index]) {
2493 error_report("could not connect virtio console"
2494 " to character backend '%s'", devname);
2497 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2503 static int debugcon_parse(const char *devname)
2507 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2508 error_report("invalid character backend '%s'", devname);
2511 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2513 error_report("already have a debugcon device");
2516 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2517 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2521 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2523 const MachineClass *mc1 = a, *mc2 = b;
2526 if (mc1->family == NULL) {
2527 if (mc2->family == NULL) {
2528 /* Compare standalone machine types against each other; they sort
2529 * in increasing order.
2531 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2532 object_class_get_name(OBJECT_CLASS(mc2)));
2535 /* Standalone machine types sort after families. */
2539 if (mc2->family == NULL) {
2540 /* Families sort before standalone machine types. */
2544 /* Families sort between each other alphabetically increasingly. */
2545 res = strcmp(mc1->family, mc2->family);
2550 /* Within the same family, machine types sort in decreasing order. */
2551 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2552 object_class_get_name(OBJECT_CLASS(mc1)));
2555 static MachineClass *machine_parse(const char *name)
2557 MachineClass *mc = NULL;
2558 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2561 mc = find_machine(name);
2564 g_slist_free(machines);
2567 if (name && !is_help_option(name)) {
2568 error_report("unsupported machine type");
2569 error_printf("Use -machine help to list supported machines\n");
2571 printf("Supported machines are:\n");
2572 machines = g_slist_sort(machines, machine_class_cmp);
2573 for (el = machines; el; el = el->next) {
2574 MachineClass *mc = el->data;
2576 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2578 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2579 mc->is_default ? " (default)" : "",
2580 mc->deprecation_reason ? " (deprecated)" : "");
2584 g_slist_free(machines);
2585 exit(!name || !is_help_option(name));
2588 void qemu_add_exit_notifier(Notifier *notify)
2590 notifier_list_add(&exit_notifiers, notify);
2593 void qemu_remove_exit_notifier(Notifier *notify)
2595 notifier_remove(notify);
2598 static void qemu_run_exit_notifiers(void)
2600 notifier_list_notify(&exit_notifiers, NULL);
2603 static const char *pid_file;
2604 static Notifier qemu_unlink_pidfile_notifier;
2606 static void qemu_unlink_pidfile(Notifier *n, void *data)
2613 bool machine_init_done;
2615 void qemu_add_machine_init_done_notifier(Notifier *notify)
2617 notifier_list_add(&machine_init_done_notifiers, notify);
2618 if (machine_init_done) {
2619 notify->notify(notify, NULL);
2623 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2625 notifier_remove(notify);
2628 static void qemu_run_machine_init_done_notifiers(void)
2630 machine_init_done = true;
2631 notifier_list_notify(&machine_init_done_notifiers, NULL);
2634 static const QEMUOption *lookup_opt(int argc, char **argv,
2635 const char **poptarg, int *poptind)
2637 const QEMUOption *popt;
2638 int optind = *poptind;
2639 char *r = argv[optind];
2642 loc_set_cmdline(argv, optind, 1);
2644 /* Treat --foo the same as -foo. */
2647 popt = qemu_options;
2650 error_report("invalid option");
2653 if (!strcmp(popt->name, r + 1))
2657 if (popt->flags & HAS_ARG) {
2658 if (optind >= argc) {
2659 error_report("requires an argument");
2662 optarg = argv[optind++];
2663 loc_set_cmdline(argv, optind - 2, 2);
2674 static MachineClass *select_machine(void)
2676 MachineClass *machine_class = find_default_machine();
2681 loc_push_none(&loc);
2683 opts = qemu_get_machine_opts();
2684 qemu_opts_loc_restore(opts);
2686 optarg = qemu_opt_get(opts, "type");
2688 machine_class = machine_parse(optarg);
2691 if (!machine_class) {
2692 error_report("No machine specified, and there is no default");
2693 error_printf("Use -machine help to list supported machines\n");
2698 return machine_class;
2701 static int machine_set_property(void *opaque,
2702 const char *name, const char *value,
2705 Object *obj = OBJECT(opaque);
2706 Error *local_err = NULL;
2709 if (strcmp(name, "type") == 0) {
2713 qom_name = g_strdup(name);
2714 for (p = qom_name; *p; p++) {
2720 object_property_parse(obj, value, qom_name, &local_err);
2724 error_propagate(errp, local_err);
2733 * Initial object creation happens before all other
2734 * QEMU data types are created. The majority of objects
2735 * can be created at this point. The rng-egd object
2736 * cannot be created here, as it depends on the chardev
2739 static bool object_create_initial(const char *type, QemuOpts *opts)
2743 if (is_help_option(type)) {
2746 printf("List of user creatable objects:\n");
2747 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2748 for (l = list; l != NULL; l = l->next) {
2749 ObjectClass *oc = OBJECT_CLASS(l->data);
2750 printf(" %s\n", object_class_get_name(oc));
2756 klass = object_class_by_name(type);
2757 if (klass && qemu_opt_has_help_opt(opts)) {
2758 ObjectPropertyIterator iter;
2759 ObjectProperty *prop;
2760 GPtrArray *array = g_ptr_array_new();
2763 object_class_property_iter_init(&iter, klass);
2764 while ((prop = object_property_iter_next(&iter))) {
2771 str = g_string_new(NULL);
2772 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2773 if (prop->description) {
2774 if (str->len < 24) {
2775 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2777 g_string_append_printf(str, " - %s", prop->description);
2779 g_ptr_array_add(array, g_string_free(str, false));
2781 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2782 if (array->len > 0) {
2783 printf("%s options:\n", type);
2785 printf("There are no options for %s.\n", type);
2787 for (i = 0; i < array->len; i++) {
2788 printf("%s\n", (char *)array->pdata[i]);
2790 g_ptr_array_set_free_func(array, g_free);
2791 g_ptr_array_free(array, true);
2795 if (g_str_equal(type, "rng-egd") ||
2796 g_str_has_prefix(type, "pr-manager-")) {
2800 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2801 if (g_str_equal(type, "cryptodev-vhost-user")) {
2807 * return false for concrete netfilters since
2808 * they depend on netdevs already existing
2810 if (g_str_equal(type, "filter-buffer") ||
2811 g_str_equal(type, "filter-dump") ||
2812 g_str_equal(type, "filter-mirror") ||
2813 g_str_equal(type, "filter-redirector") ||
2814 g_str_equal(type, "colo-compare") ||
2815 g_str_equal(type, "filter-rewriter") ||
2816 g_str_equal(type, "filter-replay")) {
2820 /* Memory allocation by backends needs to be done
2821 * after configure_accelerator() (due to the tcg_enabled()
2822 * checks at memory_region_init_*()).
2824 * Also, allocation of large amounts of memory may delay
2825 * chardev initialization for too long, and trigger timeouts
2826 * on software that waits for a monitor socket to be created
2829 if (g_str_has_prefix(type, "memory-backend-")) {
2838 * The remainder of object creation happens after the
2839 * creation of chardev, fsdev, net clients and device data types.
2841 static bool object_create_delayed(const char *type, QemuOpts *opts)
2843 return !object_create_initial(type, opts);
2847 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2851 const char *mem_str;
2852 const ram_addr_t default_ram_size = mc->default_ram_size;
2853 QemuOpts *opts = qemu_find_opts_singleton("memory");
2856 loc_push_none(&loc);
2857 qemu_opts_loc_restore(opts);
2860 mem_str = qemu_opt_get(opts, "size");
2863 error_report("missing 'size' option value");
2867 sz = qemu_opt_get_size(opts, "size", ram_size);
2869 /* Fix up legacy suffix-less format */
2870 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2871 uint64_t overflow_check = sz;
2874 if (sz / MiB != overflow_check) {
2875 error_report("too large 'size' option value");
2881 /* backward compatibility behaviour for case "-m 0" */
2883 sz = default_ram_size;
2886 sz = QEMU_ALIGN_UP(sz, 8192);
2888 if (ram_size != sz) {
2889 error_report("ram size too large");
2893 /* store value for the future use */
2894 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2895 *maxram_size = ram_size;
2897 if (qemu_opt_get(opts, "maxmem")) {
2900 sz = qemu_opt_get_size(opts, "maxmem", 0);
2901 slots = qemu_opt_get_number(opts, "slots", 0);
2902 if (sz < ram_size) {
2903 error_report("invalid value of -m option maxmem: "
2904 "maximum memory size (0x%" PRIx64 ") must be at least "
2905 "the initial memory size (0x" RAM_ADDR_FMT ")",
2908 } else if (slots && sz == ram_size) {
2909 error_report("invalid value of -m option maxmem: "
2910 "memory slots were specified but maximum memory size "
2911 "(0x%" PRIx64 ") is equal to the initial memory size "
2912 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2918 } else if (qemu_opt_get(opts, "slots")) {
2919 error_report("invalid -m option value: missing 'maxmem' option");
2926 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2930 g = g_malloc0(sizeof(*g));
2931 g->driver = qemu_opt_get(opts, "driver");
2932 g->property = qemu_opt_get(opts, "property");
2933 g->value = qemu_opt_get(opts, "value");
2934 g->user_provided = true;
2935 g->errp = &error_fatal;
2936 qdev_prop_register_global(g);
2940 static int qemu_read_default_config_file(void)
2944 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2945 if (ret < 0 && ret != -ENOENT) {
2952 static void user_register_global_props(void)
2954 qemu_opts_foreach(qemu_find_opts("global"),
2955 global_init_func, NULL, NULL);
2959 * Note: we should see that these properties are actually having a
2960 * priority: accel < machine < user. This means e.g. when user
2961 * specifies something in "-global", it'll always be used with highest
2962 * priority than either machine/accelerator compat properties.
2964 static void register_global_properties(MachineState *ms)
2966 accel_register_compat_props(ms->accelerator);
2967 machine_register_compat_props(ms);
2968 user_register_global_props();
2971 int main(int argc, char **argv, char **envp)
2974 int snapshot, linux_boot;
2975 const char *initrd_filename;
2976 const char *kernel_filename, *kernel_cmdline;
2977 const char *boot_order = NULL;
2978 const char *boot_once = NULL;
2980 QemuOpts *opts, *machine_opts;
2981 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2982 QemuOptsList *olist;
2985 const char *loadvm = NULL;
2986 MachineClass *machine_class;
2987 const char *cpu_model;
2988 const char *vga_model = NULL;
2989 const char *qtest_chrdev = NULL;
2990 const char *qtest_log = NULL;
2991 const char *incoming = NULL;
2992 bool userconfig = true;
2993 bool nographic = false;
2994 int display_remote = 0;
2995 const char *log_mask = NULL;
2996 const char *log_file = NULL;
2997 char *trace_file = NULL;
2998 ram_addr_t maxram_size;
2999 uint64_t ram_slots = 0;
3000 FILE *vmstate_dump_file = NULL;
3001 Error *main_loop_err = NULL;
3003 bool list_data_dirs = false;
3005 typedef struct BlockdevOptions_queue {
3006 BlockdevOptions *bdo;
3008 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3009 } BlockdevOptions_queue;
3010 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3011 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3013 module_call_init(MODULE_INIT_TRACE);
3015 qemu_init_cpu_list();
3016 qemu_init_cpu_loop();
3018 qemu_mutex_lock_iothread();
3020 atexit(qemu_run_exit_notifiers);
3021 error_set_progname(argv[0]);
3022 qemu_init_exec_dir(argv[0]);
3024 module_call_init(MODULE_INIT_QOM);
3026 qemu_add_opts(&qemu_drive_opts);
3027 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3028 qemu_add_drive_opts(&qemu_common_drive_opts);
3029 qemu_add_drive_opts(&qemu_drive_opts);
3030 qemu_add_drive_opts(&bdrv_runtime_opts);
3031 qemu_add_opts(&qemu_chardev_opts);
3032 qemu_add_opts(&qemu_device_opts);
3033 qemu_add_opts(&qemu_netdev_opts);
3034 qemu_add_opts(&qemu_nic_opts);
3035 qemu_add_opts(&qemu_net_opts);
3036 qemu_add_opts(&qemu_rtc_opts);
3037 qemu_add_opts(&qemu_global_opts);
3038 qemu_add_opts(&qemu_mon_opts);
3039 qemu_add_opts(&qemu_trace_opts);
3040 qemu_add_opts(&qemu_option_rom_opts);
3041 qemu_add_opts(&qemu_machine_opts);
3042 qemu_add_opts(&qemu_accel_opts);
3043 qemu_add_opts(&qemu_mem_opts);
3044 qemu_add_opts(&qemu_smp_opts);
3045 qemu_add_opts(&qemu_boot_opts);
3046 qemu_add_opts(&qemu_add_fd_opts);
3047 qemu_add_opts(&qemu_object_opts);
3048 qemu_add_opts(&qemu_tpmdev_opts);
3049 qemu_add_opts(&qemu_realtime_opts);
3050 qemu_add_opts(&qemu_overcommit_opts);
3051 qemu_add_opts(&qemu_msg_opts);
3052 qemu_add_opts(&qemu_name_opts);
3053 qemu_add_opts(&qemu_numa_opts);
3054 qemu_add_opts(&qemu_icount_opts);
3055 qemu_add_opts(&qemu_semihosting_config_opts);
3056 qemu_add_opts(&qemu_fw_cfg_opts);
3057 module_call_init(MODULE_INIT_OPTS);
3060 postcopy_infrastructure_init();
3061 monitor_init_globals();
3063 if (qcrypto_init(&err) < 0) {
3064 error_reportf_err(err, "cannot initialize crypto: ");
3068 QLIST_INIT (&vm_change_state_head);
3069 os_setup_early_signal_handling();
3076 bdrv_init_with_whitelist();
3080 /* first pass of option parsing */
3082 while (optind < argc) {
3083 if (argv[optind][0] != '-') {
3087 const QEMUOption *popt;
3089 popt = lookup_opt(argc, argv, &optarg, &optind);
3090 switch (popt->index) {
3091 case QEMU_OPTION_nouserconfig:
3099 if (qemu_read_default_config_file() < 0) {
3104 /* second pass of option parsing */
3109 if (argv[optind][0] != '-') {
3110 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3112 const QEMUOption *popt;
3114 popt = lookup_opt(argc, argv, &optarg, &optind);
3115 if (!(popt->arch_mask & arch_type)) {
3116 error_report("Option not supported for this target");
3119 switch(popt->index) {
3120 case QEMU_OPTION_cpu:
3121 /* hw initialization will check this */
3124 case QEMU_OPTION_hda:
3125 case QEMU_OPTION_hdb:
3126 case QEMU_OPTION_hdc:
3127 case QEMU_OPTION_hdd:
3128 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3131 case QEMU_OPTION_blockdev:
3134 BlockdevOptions_queue *bdo;
3136 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3138 error_report_err(err);
3142 bdo = g_new(BlockdevOptions_queue, 1);
3143 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3146 loc_save(&bdo->loc);
3147 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3150 case QEMU_OPTION_drive:
3151 if (drive_def(optarg) == NULL) {
3155 case QEMU_OPTION_set:
3156 if (qemu_set_option(optarg) != 0)
3159 case QEMU_OPTION_global:
3160 if (qemu_global_option(optarg) != 0)
3163 case QEMU_OPTION_mtdblock:
3164 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3166 case QEMU_OPTION_sd:
3167 drive_add(IF_SD, -1, optarg, SD_OPTS);
3169 case QEMU_OPTION_pflash:
3170 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3172 case QEMU_OPTION_snapshot:
3175 case QEMU_OPTION_numa:
3176 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3182 case QEMU_OPTION_display:
3183 parse_display(optarg);
3185 case QEMU_OPTION_nographic:
3186 olist = qemu_find_opts("machine");
3187 qemu_opts_parse_noisily(olist, "graphics=off", false);
3189 dpy.type = DISPLAY_TYPE_NONE;
3191 case QEMU_OPTION_curses:
3192 #ifdef CONFIG_CURSES
3193 dpy.type = DISPLAY_TYPE_CURSES;
3195 error_report("curses support is disabled");
3199 case QEMU_OPTION_portrait:
3200 graphic_rotate = 90;
3202 case QEMU_OPTION_rotate:
3203 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3204 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3205 graphic_rotate != 180 && graphic_rotate != 270) {
3206 error_report("only 90, 180, 270 deg rotation is available");
3210 case QEMU_OPTION_kernel:
3211 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3214 case QEMU_OPTION_initrd:
3215 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3218 case QEMU_OPTION_append:
3219 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3222 case QEMU_OPTION_dtb:
3223 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3226 case QEMU_OPTION_cdrom:
3227 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3229 case QEMU_OPTION_boot:
3230 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3236 case QEMU_OPTION_fda:
3237 case QEMU_OPTION_fdb:
3238 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3241 case QEMU_OPTION_no_fd_bootchk:
3244 case QEMU_OPTION_netdev:
3246 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3250 case QEMU_OPTION_nic:
3252 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3256 case QEMU_OPTION_net:
3258 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3262 #ifdef CONFIG_LIBISCSI
3263 case QEMU_OPTION_iscsi:
3264 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3271 case QEMU_OPTION_bt:
3272 warn_report("The bluetooth subsystem is deprecated and will "
3273 "be removed soon. If the bluetooth subsystem is "
3274 "still useful for you, please send a mail to "
3276 add_device_config(DEV_BT, optarg);
3278 case QEMU_OPTION_audio_help:
3282 case QEMU_OPTION_soundhw:
3283 select_soundhw (optarg);
3288 case QEMU_OPTION_version:
3293 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3300 case QEMU_OPTION_tpmdev:
3301 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3306 case QEMU_OPTION_mempath:
3309 case QEMU_OPTION_mem_prealloc:
3318 case QEMU_OPTION_DFILTER:
3319 qemu_set_dfilter_ranges(optarg, &error_fatal);
3322 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3324 case QEMU_OPTION_gdb:
3325 add_device_config(DEV_GDB, optarg);
3328 if (is_help_option(optarg)) {
3329 list_data_dirs = true;
3331 qemu_add_data_dir(optarg);
3334 case QEMU_OPTION_bios:
3335 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3338 case QEMU_OPTION_singlestep:
3345 keyboard_layout = optarg;
3347 case QEMU_OPTION_vga:
3356 w = strtol(p, (char **)&p, 10);
3359 error_report("invalid resolution or depth");
3365 h = strtol(p, (char **)&p, 10);
3370 depth = strtol(p, (char **)&p, 10);
3371 if (depth != 8 && depth != 15 && depth != 16 &&
3372 depth != 24 && depth != 32)
3374 } else if (*p == '\0') {
3375 depth = graphic_depth;
3382 graphic_depth = depth;
3385 case QEMU_OPTION_echr:
3388 term_escape_char = strtol(optarg, &r, 0);
3390 printf("Bad argument to echr\n");
3393 case QEMU_OPTION_monitor:
3394 default_monitor = 0;
3395 if (strncmp(optarg, "none", 4)) {
3396 monitor_parse(optarg, "readline", false);
3399 case QEMU_OPTION_qmp:
3400 monitor_parse(optarg, "control", false);
3401 default_monitor = 0;
3403 case QEMU_OPTION_qmp_pretty:
3404 monitor_parse(optarg, "control", true);
3405 default_monitor = 0;
3407 case QEMU_OPTION_mon:
3408 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3413 default_monitor = 0;
3415 case QEMU_OPTION_chardev:
3416 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3422 case QEMU_OPTION_fsdev:
3423 olist = qemu_find_opts("fsdev");
3425 error_report("fsdev support is disabled");
3428 opts = qemu_opts_parse_noisily(olist, optarg, true);
3433 case QEMU_OPTION_virtfs: {
3436 const char *writeout, *sock_fd, *socket, *path, *security_model;
3438 olist = qemu_find_opts("virtfs");
3440 error_report("virtfs support is disabled");
3443 opts = qemu_opts_parse_noisily(olist, optarg, true);
3448 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3449 qemu_opt_get(opts, "mount_tag") == NULL) {
3450 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3453 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3454 qemu_opts_id(opts) ?:
3455 qemu_opt_get(opts, "mount_tag"),
3458 error_report("duplicate or invalid fsdev id: %s",
3459 qemu_opt_get(opts, "mount_tag"));
3463 writeout = qemu_opt_get(opts, "writeout");
3465 #ifdef CONFIG_SYNC_FILE_RANGE
3466 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3468 error_report("writeout=immediate not supported "
3469 "on this platform");
3473 qemu_opt_set(fsdev, "fsdriver",
3474 qemu_opt_get(opts, "fsdriver"), &error_abort);
3475 path = qemu_opt_get(opts, "path");
3477 qemu_opt_set(fsdev, "path", path, &error_abort);
3479 security_model = qemu_opt_get(opts, "security_model");
3480 if (security_model) {
3481 qemu_opt_set(fsdev, "security_model", security_model,
3484 socket = qemu_opt_get(opts, "socket");
3486 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3488 sock_fd = qemu_opt_get(opts, "sock_fd");
3490 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3493 qemu_opt_set_bool(fsdev, "readonly",
3494 qemu_opt_get_bool(opts, "readonly", 0),
3496 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3498 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3499 qemu_opt_set(device, "fsdev",
3500 qemu_opts_id(fsdev), &error_abort);
3501 qemu_opt_set(device, "mount_tag",
3502 qemu_opt_get(opts, "mount_tag"), &error_abort);
3505 case QEMU_OPTION_virtfs_synth: {
3509 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3512 error_report("duplicate option: %s", "virtfs_synth");
3515 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3517 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3520 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3521 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3524 case QEMU_OPTION_serial:
3525 add_device_config(DEV_SERIAL, optarg);
3527 if (strncmp(optarg, "mon:", 4) == 0) {
3528 default_monitor = 0;
3531 case QEMU_OPTION_watchdog:
3533 error_report("only one watchdog option may be given");
3538 case QEMU_OPTION_watchdog_action:
3539 if (select_watchdog_action(optarg) == -1) {
3540 error_report("unknown -watchdog-action parameter");
3544 case QEMU_OPTION_virtiocon:
3545 warn_report("This option is deprecated, "
3546 "use '-device virtconsole' instead");
3547 add_device_config(DEV_VIRTCON, optarg);
3548 default_virtcon = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3553 case QEMU_OPTION_parallel:
3554 add_device_config(DEV_PARALLEL, optarg);
3555 default_parallel = 0;
3556 if (strncmp(optarg, "mon:", 4) == 0) {
3557 default_monitor = 0;
3560 case QEMU_OPTION_debugcon:
3561 add_device_config(DEV_DEBUGCON, optarg);
3563 case QEMU_OPTION_loadvm:
3566 case QEMU_OPTION_full_screen:
3567 dpy.has_full_screen = true;
3568 dpy.full_screen = true;
3570 case QEMU_OPTION_no_frame:
3571 g_printerr("The -no-frame switch is deprecated, and will be\n"
3572 "removed in a future release.\n");
3575 case QEMU_OPTION_alt_grab:
3578 case QEMU_OPTION_ctrl_grab:
3581 case QEMU_OPTION_no_quit:
3582 dpy.has_window_close = true;
3583 dpy.window_close = false;
3585 case QEMU_OPTION_sdl:
3587 dpy.type = DISPLAY_TYPE_SDL;
3590 error_report("SDL support is disabled");
3593 case QEMU_OPTION_pidfile:
3596 case QEMU_OPTION_win2k_hack:
3597 win2k_install_hack = 1;
3599 case QEMU_OPTION_acpitable:
3600 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3605 acpi_table_add(opts, &error_fatal);
3607 case QEMU_OPTION_smbios:
3608 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3613 smbios_entry_add(opts, &error_fatal);
3615 case QEMU_OPTION_fwcfg:
3616 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3622 case QEMU_OPTION_preconfig:
3623 preconfig_exit_requested = false;
3625 case QEMU_OPTION_enable_kvm:
3626 olist = qemu_find_opts("machine");
3627 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3629 case QEMU_OPTION_enable_hax:
3630 warn_report("Option is deprecated, use '-accel hax' instead");
3631 olist = qemu_find_opts("machine");
3632 qemu_opts_parse_noisily(olist, "accel=hax", false);
3635 case QEMU_OPTION_machine:
3636 olist = qemu_find_opts("machine");
3637 opts = qemu_opts_parse_noisily(olist, optarg, true);
3642 case QEMU_OPTION_no_kvm:
3643 olist = qemu_find_opts("machine");
3644 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3646 case QEMU_OPTION_accel:
3647 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3649 optarg = qemu_opt_get(accel_opts, "accel");
3650 if (!optarg || is_help_option(optarg)) {
3651 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3654 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3655 false, &error_abort);
3656 qemu_opt_set(opts, "accel", optarg, &error_abort);
3658 case QEMU_OPTION_usb:
3659 olist = qemu_find_opts("machine");
3660 qemu_opts_parse_noisily(olist, "usb=on", false);
3662 case QEMU_OPTION_usbdevice:
3663 error_report("'-usbdevice' is deprecated, please use "
3664 "'-device usb-...' instead");
3665 olist = qemu_find_opts("machine");
3666 qemu_opts_parse_noisily(olist, "usb=on", false);
3667 add_device_config(DEV_USB, optarg);
3669 case QEMU_OPTION_device:
3670 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3675 case QEMU_OPTION_smp:
3676 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3681 case QEMU_OPTION_vnc:
3682 vnc_parse(optarg, &error_fatal);
3684 case QEMU_OPTION_no_acpi:
3687 case QEMU_OPTION_no_hpet:
3690 case QEMU_OPTION_no_reboot:
3693 case QEMU_OPTION_no_shutdown:
3696 case QEMU_OPTION_show_cursor:
3699 case QEMU_OPTION_uuid:
3700 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3701 error_report("failed to parse UUID string: wrong format");
3704 qemu_uuid_set = true;
3706 case QEMU_OPTION_option_rom:
3707 if (nb_option_roms >= MAX_OPTION_ROMS) {
3708 error_report("too many option ROMs");
3711 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3716 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3717 option_rom[nb_option_roms].bootindex =
3718 qemu_opt_get_number(opts, "bootindex", -1);
3719 if (!option_rom[nb_option_roms].name) {
3720 error_report("Option ROM file is not specified");
3725 case QEMU_OPTION_semihosting:
3726 semihosting.enabled = true;
3727 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3729 case QEMU_OPTION_semihosting_config:
3730 semihosting.enabled = true;
3731 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3734 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3736 const char *target = qemu_opt_get(opts, "target");
3737 if (target != NULL) {
3738 if (strcmp("native", target) == 0) {
3739 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3740 } else if (strcmp("gdb", target) == 0) {
3741 semihosting.target = SEMIHOSTING_TARGET_GDB;
3742 } else if (strcmp("auto", target) == 0) {
3743 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3745 error_report("unsupported semihosting-config %s",
3750 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3752 /* Set semihosting argument count and vector */
3753 qemu_opt_foreach(opts, add_semihosting_arg,
3754 &semihosting, NULL);
3756 error_report("unsupported semihosting-config %s", optarg);
3760 case QEMU_OPTION_name:
3761 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3767 case QEMU_OPTION_prom_env:
3768 if (nb_prom_envs >= MAX_PROM_ENVS) {
3769 error_report("too many prom variables");
3772 prom_envs[nb_prom_envs] = optarg;
3775 case QEMU_OPTION_old_param:
3778 case QEMU_OPTION_clock:
3779 /* Clock options no longer exist. Keep this option for
3780 * backward compatibility.
3782 warn_report("This option is ignored and will be removed soon");
3784 case QEMU_OPTION_rtc:
3785 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3791 case QEMU_OPTION_tb_size:
3793 error_report("TCG is disabled");
3796 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3797 error_report("Invalid argument to -tb-size");
3801 case QEMU_OPTION_icount:
3802 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3808 case QEMU_OPTION_incoming:
3810 runstate_set(RUN_STATE_INMIGRATE);
3814 case QEMU_OPTION_only_migratable:
3816 * TODO: we can remove this option one day, and we
3819 * "-global migration.only-migratable=true"
3821 qemu_global_option("migration.only-migratable=true");
3823 case QEMU_OPTION_nodefaults:
3826 case QEMU_OPTION_xen_domid:
3827 if (!(xen_available())) {
3828 error_report("Option not supported for this target");
3831 xen_domid = atoi(optarg);
3833 case QEMU_OPTION_xen_create:
3834 if (!(xen_available())) {
3835 error_report("Option not supported for this target");
3838 xen_mode = XEN_CREATE;
3840 case QEMU_OPTION_xen_attach:
3841 if (!(xen_available())) {
3842 error_report("Option not supported for this target");
3845 xen_mode = XEN_ATTACH;
3847 case QEMU_OPTION_xen_domid_restrict:
3848 if (!(xen_available())) {
3849 error_report("Option not supported for this target");
3852 xen_domid_restrict = true;
3854 case QEMU_OPTION_trace:
3856 trace_file = trace_opt_parse(optarg);
3858 case QEMU_OPTION_readconfig:
3860 int ret = qemu_read_config_file(optarg);
3862 error_report("read config %s: %s", optarg,
3868 case QEMU_OPTION_spice:
3869 olist = qemu_find_opts("spice");
3871 error_report("spice support is disabled");
3874 opts = qemu_opts_parse_noisily(olist, optarg, false);
3880 case QEMU_OPTION_writeconfig:
3883 if (strcmp(optarg, "-") == 0) {
3886 fp = fopen(optarg, "w");
3888 error_report("open %s: %s", optarg,
3893 qemu_config_write(fp);
3899 case QEMU_OPTION_qtest:
3900 qtest_chrdev = optarg;
3902 case QEMU_OPTION_qtest_log:
3905 case QEMU_OPTION_sandbox:
3906 #ifdef CONFIG_SECCOMP
3907 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3913 error_report("-sandbox support is not enabled "
3914 "in this QEMU binary");
3918 case QEMU_OPTION_add_fd:
3920 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3926 error_report("File descriptor passing is disabled on this "
3931 case QEMU_OPTION_object:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3938 case QEMU_OPTION_realtime:
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3944 /* Don't override the -overcommit option if set */
3945 enable_mlock = enable_mlock ||
3946 qemu_opt_get_bool(opts, "mlock", true);
3948 case QEMU_OPTION_overcommit:
3949 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3954 /* Don't override the -realtime option if set */
3955 enable_mlock = enable_mlock ||
3956 qemu_opt_get_bool(opts, "mem-lock", false);
3957 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3959 case QEMU_OPTION_msg:
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3965 configure_msg(opts);
3967 case QEMU_OPTION_dump_vmstate:
3968 if (vmstate_dump_file) {
3969 error_report("only one '-dump-vmstate' "
3970 "option may be given");
3973 vmstate_dump_file = fopen(optarg, "w");
3974 if (vmstate_dump_file == NULL) {
3975 error_report("open %s: %s", optarg, strerror(errno));
3979 case QEMU_OPTION_enable_sync_profile:
3982 case QEMU_OPTION_nouserconfig:
3983 /* Nothing to be parsed here. Especially, do not error out below. */
3986 if (os_parse_cmd_args(popt->index, optarg)) {
3987 error_report("Option not supported in this build");
3994 * Clear error location left behind by the loop.
3995 * Best done right after the loop. Do not insert code here!
3999 replay_configure(icount_opts);
4001 if (incoming && !preconfig_exit_requested) {
4002 error_report("'preconfig' and 'incoming' options are "
4003 "mutually exclusive");
4007 configure_rtc(qemu_find_opts_singleton("rtc"));
4009 machine_class = select_machine();
4011 set_memory_options(&ram_slots, &maxram_size, machine_class);
4014 rcu_disable_atfork();
4016 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4017 error_reportf_err(err, "cannot create PID file: ");
4021 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4022 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4024 if (qemu_init_main_loop(&main_loop_err)) {
4025 error_report_err(main_loop_err);
4029 #ifdef CONFIG_SECCOMP
4030 olist = qemu_find_opts_err("sandbox", NULL);
4032 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4036 qemu_opts_foreach(qemu_find_opts("name"),
4037 parse_name, NULL, &error_fatal);
4040 qemu_opts_foreach(qemu_find_opts("add-fd"),
4041 parse_add_fd, NULL, &error_fatal);
4043 qemu_opts_foreach(qemu_find_opts("add-fd"),
4044 cleanup_add_fd, NULL, &error_fatal);
4047 current_machine = MACHINE(object_new(object_class_get_name(
4048 OBJECT_CLASS(machine_class))));
4049 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4052 object_property_add_child(object_get_root(), "machine",
4053 OBJECT(current_machine), &error_abort);
4055 if (machine_class->minimum_page_bits) {
4056 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4057 /* This would be a board error: specifying a minimum smaller than
4058 * a target's compile-time fixed setting.
4060 g_assert_not_reached();
4064 cpu_exec_init_all();
4066 if (machine_class->hw_version) {
4067 qemu_set_hw_version(machine_class->hw_version);
4070 if (cpu_model && is_help_option(cpu_model)) {
4071 list_cpus(stdout, &fprintf, cpu_model);
4075 if (!trace_init_backends()) {
4078 trace_init_file(trace_file);
4080 /* Open the logfile at this point and set the log mask if necessary.
4083 qemu_set_log_filename(log_file, &error_fatal);
4088 mask = qemu_str_to_log_mask(log_mask);
4090 qemu_print_log_usage(stdout);
4098 /* add configured firmware directories */
4099 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4100 for (i = 0; dirs[i] != NULL; i++) {
4101 qemu_add_data_dir(dirs[i]);
4105 /* try to find datadir relative to the executable path */
4106 dir = os_find_datadir();
4107 qemu_add_data_dir(dir);
4110 /* add the datadir specified when building */
4111 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4113 /* -L help lists the data directories and exits. */
4114 if (list_data_dirs) {
4115 for (i = 0; i < data_dir_idx; i++) {
4116 printf("%s\n", data_dir[i]);
4121 /* machine_class: default to UP */
4122 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4123 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4124 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4126 /* default to machine_class->default_cpus */
4127 smp_cpus = machine_class->default_cpus;
4128 max_cpus = machine_class->default_cpus;
4130 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4132 /* sanity-check smp_cpus and max_cpus against machine_class */
4133 if (smp_cpus < machine_class->min_cpus) {
4134 error_report("Invalid SMP CPUs %d. The min CPUs "
4135 "supported by machine '%s' is %d", smp_cpus,
4136 machine_class->name, machine_class->min_cpus);
4139 if (max_cpus > machine_class->max_cpus) {
4140 error_report("Invalid SMP CPUs %d. The max CPUs "
4141 "supported by machine '%s' is %d", max_cpus,
4142 machine_class->name, machine_class->max_cpus);
4147 * Get the default machine options from the machine if it is not already
4148 * specified either by the configuration file or by the command line.
4150 if (machine_class->default_machine_opts) {
4151 qemu_opts_set_defaults(qemu_find_opts("machine"),
4152 machine_class->default_machine_opts, 0);
4155 qemu_opts_foreach(qemu_find_opts("device"),
4156 default_driver_check, NULL, NULL);
4157 qemu_opts_foreach(qemu_find_opts("global"),
4158 default_driver_check, NULL, NULL);
4160 if (!vga_model && !default_vga) {
4161 vga_interface_type = VGA_DEVICE;
4163 if (!has_defaults || machine_class->no_serial) {
4166 if (!has_defaults || machine_class->no_parallel) {
4167 default_parallel = 0;
4169 if (!has_defaults || !machine_class->use_virtcon) {
4170 default_virtcon = 0;
4172 if (!has_defaults || machine_class->no_floppy) {
4175 if (!has_defaults || machine_class->no_cdrom) {
4178 if (!has_defaults || machine_class->no_sdcard) {
4181 if (!has_defaults) {
4182 default_monitor = 0;
4187 if (is_daemonized()) {
4188 if (!preconfig_exit_requested) {
4189 error_report("'preconfig' and 'daemonize' options are "
4190 "mutually exclusive");
4194 /* According to documentation and historically, -nographic redirects
4195 * serial port, parallel port and monitor to stdio, which does not work
4196 * with -daemonize. We can redirect these to null instead, but since
4197 * -nographic is legacy, let's just error out.
4198 * We disallow -nographic only if all other ports are not redirected
4199 * explicitly, to not break existing legacy setups which uses
4200 * -nographic _and_ redirects all ports explicitly - this is valid
4201 * usage, -nographic is just a no-op in this case.
4204 && (default_parallel || default_serial
4205 || default_monitor || default_virtcon)) {
4206 error_report("-nographic cannot be used with -daemonize");
4209 #ifdef CONFIG_CURSES
4210 if (dpy.type == DISPLAY_TYPE_CURSES) {
4211 error_report("curses display cannot be used with -daemonize");
4218 if (default_parallel)
4219 add_device_config(DEV_PARALLEL, "null");
4220 if (default_serial && default_monitor) {
4221 add_device_config(DEV_SERIAL, "mon:stdio");
4222 } else if (default_virtcon && default_monitor) {
4223 add_device_config(DEV_VIRTCON, "mon:stdio");
4226 add_device_config(DEV_SERIAL, "stdio");
4227 if (default_virtcon)
4228 add_device_config(DEV_VIRTCON, "stdio");
4229 if (default_monitor)
4230 monitor_parse("stdio", "readline", false);
4234 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4235 if (default_parallel)
4236 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4237 if (default_monitor)
4238 monitor_parse("vc:80Cx24C", "readline", false);
4239 if (default_virtcon)
4240 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4243 #if defined(CONFIG_VNC)
4244 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4248 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4249 if (!qemu_display_find_default(&dpy)) {
4250 dpy.type = DISPLAY_TYPE_NONE;
4251 #if defined(CONFIG_VNC)
4252 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4256 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4257 dpy.type = DISPLAY_TYPE_NONE;
4260 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4261 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4262 "for SDL, ignoring option");
4264 if (dpy.has_window_close &&
4265 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4266 error_report("-no-quit is only valid for GTK and SDL, "
4270 qemu_display_early_init(&dpy);
4271 qemu_console_early_init();
4273 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4274 #if defined(CONFIG_OPENGL)
4275 error_report("OpenGL is not supported by the display");
4277 error_report("OpenGL support is disabled");
4285 qemu_opts_foreach(qemu_find_opts("object"),
4286 user_creatable_add_opts_foreach,
4287 object_create_initial, &error_fatal);
4289 qemu_opts_foreach(qemu_find_opts("chardev"),
4290 chardev_init_func, NULL, &error_fatal);
4292 #ifdef CONFIG_VIRTFS
4293 qemu_opts_foreach(qemu_find_opts("fsdev"),
4294 fsdev_init_func, NULL, &error_fatal);
4297 if (qemu_opts_foreach(qemu_find_opts("device"),
4298 device_help_func, NULL, NULL)) {
4302 machine_opts = qemu_get_machine_opts();
4303 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4306 configure_accelerator(current_machine);
4308 if (!qtest_enabled() && machine_class->deprecation_reason) {
4309 error_report("Machine type '%s' is deprecated: %s",
4310 machine_class->name, machine_class->deprecation_reason);
4314 * Register all the global properties, including accel properties,
4315 * machine properties, and user-specified ones.
4317 register_global_properties(current_machine);
4320 * Migration object can only be created after global properties
4321 * are applied correctly.
4323 migration_object_init();
4326 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4329 machine_opts = qemu_get_machine_opts();
4330 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4331 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4332 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4333 bios_name = qemu_opt_get(machine_opts, "firmware");
4335 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4337 boot_order = qemu_opt_get(opts, "order");
4339 validate_bootdevices(boot_order, &error_fatal);
4342 boot_once = qemu_opt_get(opts, "once");
4344 validate_bootdevices(boot_once, &error_fatal);
4347 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4348 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4352 boot_order = machine_class->default_boot_order;
4355 if (!kernel_cmdline) {
4356 kernel_cmdline = "";
4357 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4360 linux_boot = (kernel_filename != NULL);
4362 if (!linux_boot && *kernel_cmdline != '\0') {
4363 error_report("-append only allowed with -kernel option");
4367 if (!linux_boot && initrd_filename != NULL) {
4368 error_report("-initrd only allowed with -kernel option");
4372 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4373 /* fall back to the -kernel/-append */
4374 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4377 os_set_line_buffering();
4379 /* spice needs the timers to be initialized by this point */
4384 if (!tcg_enabled()) {
4385 error_report("-icount is not allowed with hardware virtualization");
4388 configure_icount(icount_opts, &error_abort);
4389 qemu_opts_del(icount_opts);
4392 if (tcg_enabled()) {
4393 qemu_tcg_configure(accel_opts, &error_fatal);
4397 QemuOptsList *net = qemu_find_opts("net");
4398 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4400 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4404 if (net_init_clients(&err) < 0) {
4405 error_report_err(err);
4409 qemu_opts_foreach(qemu_find_opts("object"),
4410 user_creatable_add_opts_foreach,
4411 object_create_delayed, &error_fatal);
4415 /* init the bluetooth world */
4416 if (foreach_device_config(DEV_BT, bt_parse))
4419 if (!xen_enabled()) {
4420 /* On 32-bit hosts, QEMU is limited by virtual address space */
4421 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4422 error_report("at most 2047 MB RAM can be simulated");
4429 dirty_bitmap_mig_init();
4431 /* If the currently selected machine wishes to override the units-per-bus
4432 * property of its default HBA interface type, do so now. */
4433 if (machine_class->units_per_default_bus) {
4434 override_max_devs(machine_class->block_default_type,
4435 machine_class->units_per_default_bus);
4438 /* open the virtual block devices */
4439 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4440 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4442 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4443 loc_push_restore(&bdo->loc);
4444 qmp_blockdev_add(bdo->bdo, &error_fatal);
4446 qapi_free_BlockdevOptions(bdo->bdo);
4449 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4450 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4453 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4454 &machine_class->block_default_type, &error_fatal)) {
4455 /* We printed help */
4459 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4461 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4462 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4464 qemu_opts_foreach(qemu_find_opts("mon"),
4465 mon_init_func, NULL, &error_fatal);
4467 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4469 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4471 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4473 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4476 /* If no default VGA is requested, the default is "none". */
4478 if (machine_class->default_display) {
4479 vga_model = machine_class->default_display;
4480 } else if (vga_interface_available(VGA_CIRRUS)) {
4481 vga_model = "cirrus";
4482 } else if (vga_interface_available(VGA_STD)) {
4487 select_vgahw(vga_model);
4491 i = select_watchdog(watchdog);
4493 exit (i == 1 ? 1 : 0);
4496 /* This checkpoint is required by replay to separate prior clock
4497 reading from the other reads, because timer polling functions query
4498 clock values from the log. */
4499 replay_checkpoint(CHECKPOINT_INIT);
4500 qdev_machine_init();
4502 current_machine->ram_size = ram_size;
4503 current_machine->maxram_size = maxram_size;
4504 current_machine->ram_slots = ram_slots;
4505 current_machine->boot_order = boot_order;
4507 /* parse features once if machine provides default cpu_type */
4508 current_machine->cpu_type = machine_class->default_cpu_type;
4510 current_machine->cpu_type = parse_cpu_model(cpu_model);
4512 parse_numa_opts(current_machine);
4514 /* do monitor/qmp handling at preconfig state if requested */
4517 /* from here on runstate is RUN_STATE_PRELAUNCH */
4518 machine_run_board_init(current_machine);
4524 if (hax_enabled()) {
4528 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4529 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4531 /* init USB devices */
4532 if (machine_usb(current_machine)) {
4533 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4537 /* Check if IGD GFX passthrough. */
4540 /* init generic devices */
4541 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4542 qemu_opts_foreach(qemu_find_opts("device"),
4543 device_init_func, NULL, &error_fatal);
4545 cpu_synchronize_all_post_init();
4547 rom_reset_order_override();
4549 /* Did we create any drives that we failed to create a device for? */
4550 drive_check_orphaned();
4552 /* Don't warn about the default network setup that you get if
4553 * no command line -net or -netdev options are specified. There
4554 * are two cases that we would otherwise complain about:
4555 * (1) board doesn't support a NIC but the implicit "-net nic"
4557 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4558 * sets up a nic that isn't connected to anything.
4560 if (!default_net && (!qtest_enabled() || has_defaults)) {
4561 net_check_clients();
4565 qemu_boot_set(boot_once, &error_fatal);
4566 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4569 /* init local displays */
4570 ds = init_displaystate();
4571 qemu_display_init(ds, &dpy);
4573 /* must be after terminal init, SDL library changes signal handlers */
4574 os_setup_signal_handling();
4576 /* init remote displays */
4578 qemu_opts_foreach(qemu_find_opts("vnc"),
4579 vnc_init_func, NULL, &error_fatal);
4583 qemu_spice_display_init();
4586 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4590 qdev_machine_creation_done();
4592 /* TODO: once all bus devices are qdevified, this should be done
4593 * when bus is created by qdev.c */
4594 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4595 qemu_run_machine_init_done_notifiers();
4597 if (rom_check_and_register_reset() != 0) {
4598 error_report("rom check and register reset failed");
4604 /* This checkpoint is required by replay to separate prior clock
4605 reading from the other reads, because timer polling functions query
4606 clock values from the log. */
4607 replay_checkpoint(CHECKPOINT_RESET);
4608 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4609 register_global_state();
4611 Error *local_err = NULL;
4612 if (load_snapshot(loadvm, &local_err) < 0) {
4613 error_report_err(local_err);
4618 if (replay_mode != REPLAY_MODE_NONE) {
4619 replay_vmstate_init();
4622 qdev_prop_check_globals();
4623 if (vmstate_dump_file) {
4625 dump_vmstate_json_to_file(vmstate_dump_file);
4630 Error *local_err = NULL;
4631 qemu_start_incoming_migration(incoming, &local_err);
4633 error_reportf_err(local_err, "-incoming %s: ", incoming);
4636 } else if (autostart) {
4640 accel_setup_post(current_machine);
4645 gdbserver_cleanup();
4647 /* No more vcpu or device emulation activity beyond this point */
4650 job_cancel_sync_all();
4655 /* vhost-user must be cleaned up before chardevs. */
4661 user_creatable_cleanup();
4662 migration_object_finalize();
4663 /* TODO: unref root container, check all devices are ok */