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
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
32 #include "sys/prctl.h"
36 #if defined(__APPLE__) || defined(main)
38 int qemu_main(int argc, char **argv, char **envp);
39 int main(int argc, char **argv)
41 return qemu_main(argc, argv, NULL);
44 #define main qemu_main
46 #endif /* CONFIG_SDL */
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
54 #include "qemu/error-report.h"
55 #include "qemu/sockets.h"
57 #include "hw/boards.h"
58 #include "sysemu/accel.h"
60 #include "hw/i386/pc.h"
61 #include "hw/isa/isa.h"
62 #include "hw/scsi/scsi.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.h"
66 #include "hw/acpi/acpi.h"
67 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "chardev/char.h"
82 #include "qemu/bitmap.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/misc.h"
87 #include "migration/snapshot.h"
88 #include "migration/global_state.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "hw/audio/soundhw.h"
92 #include "audio/audio.h"
93 #include "sysemu/cpus.h"
94 #include "migration/colo.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qapi/qobject-input-visitor.h"
99 #include "qapi-visit.h"
100 #include "qapi/qmp/qjson.h"
101 #include "qemu/option.h"
102 #include "qemu/config-file.h"
103 #include "qemu-options.h"
104 #include "qmp-commands.h"
105 #include "qemu/main-loop.h"
107 #include "fsdev/qemu-fsdev.h"
109 #include "sysemu/qtest.h"
111 #include "disas/disas.h"
114 #include "slirp/libslirp.h"
116 #include "trace-root.h"
117 #include "trace/control.h"
118 #include "qemu/queue.h"
119 #include "sysemu/arch_init.h"
121 #include "ui/qemu-spice.h"
122 #include "qapi/string-input-visitor.h"
123 #include "qapi/opts-visitor.h"
124 #include "qom/object_interfaces.h"
125 #include "qapi-event.h"
126 #include "exec/semihost.h"
127 #include "crypto/init.h"
128 #include "sysemu/replay.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
132 #define MAX_VIRTIO_CONSOLES 1
133 #define MAX_SCLP_CONSOLES 1
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int request_opengl = -1;
141 const char* keyboard_layout = NULL;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
147 NICInfo nd_table[MAX_NICS];
149 static int rtc_utc = 1;
150 static int rtc_date_offset = -1; /* -1 means no change */
151 QEMUClockType rtc_clock;
152 int vga_interface_type = VGA_NONE;
153 static int full_screen = 0;
154 static int no_frame = 0;
156 static bool grab_on_hover;
157 Chardev *serial_hds[MAX_SERIAL_PORTS];
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
161 int win2k_install_hack = 0;
164 unsigned int max_cpus;
167 int acpi_enabled = 1;
170 static int no_reboot;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
178 const char *qemu_name;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
185 uint8_t *boot_splash_filedata;
186 size_t boot_splash_filedata_size;
187 uint8_t qemu_extra_params_fw[2];
189 int icount_align_option;
191 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
205 enum xen_mode xen_mode = XEN_EMULATE;
206 bool xen_domid_restrict;
208 static int has_defaults = 1;
209 static int default_serial = 1;
210 static int default_parallel = 1;
211 static int default_virtcon = 1;
212 static int default_sclp = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218 static int default_net = 1;
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "floppy", .flag = &default_floppy },
228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
230 { .driver = "ide-drive", .flag = &default_cdrom },
231 { .driver = "scsi-cd", .flag = &default_cdrom },
232 { .driver = "scsi-hd", .flag = &default_cdrom },
233 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
234 { .driver = "virtio-serial", .flag = &default_virtcon },
235 { .driver = "VGA", .flag = &default_vga },
236 { .driver = "isa-vga", .flag = &default_vga },
237 { .driver = "cirrus-vga", .flag = &default_vga },
238 { .driver = "isa-cirrus-vga", .flag = &default_vga },
239 { .driver = "vmware-svga", .flag = &default_vga },
240 { .driver = "qxl-vga", .flag = &default_vga },
241 { .driver = "virtio-vga", .flag = &default_vga },
244 static QemuOptsList qemu_rtc_opts = {
246 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
250 .type = QEMU_OPT_STRING,
253 .type = QEMU_OPT_STRING,
256 .type = QEMU_OPT_STRING,
258 { /* end of list */ }
262 static QemuOptsList qemu_sandbox_opts = {
264 .implied_opt_name = "enable",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
269 .type = QEMU_OPT_BOOL,
273 .type = QEMU_OPT_STRING,
276 .name = "elevateprivileges",
277 .type = QEMU_OPT_STRING,
281 .type = QEMU_OPT_STRING,
284 .name = "resourcecontrol",
285 .type = QEMU_OPT_STRING,
287 { /* end of list */ }
291 static QemuOptsList qemu_option_rom_opts = {
292 .name = "option-rom",
293 .implied_opt_name = "romfile",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
298 .type = QEMU_OPT_NUMBER,
301 .type = QEMU_OPT_STRING,
303 { /* end of list */ }
307 static QemuOptsList qemu_machine_opts = {
309 .implied_opt_name = "type",
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
322 static QemuOptsList qemu_accel_opts = {
324 .implied_opt_name = "accel",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
330 .type = QEMU_OPT_STRING,
331 .help = "Select the type of accelerator",
335 .type = QEMU_OPT_STRING,
336 .help = "Enable/disable multi-threaded TCG",
338 { /* end of list */ }
342 static QemuOptsList qemu_boot_opts = {
344 .implied_opt_name = "order",
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
350 .type = QEMU_OPT_STRING,
353 .type = QEMU_OPT_STRING,
356 .type = QEMU_OPT_BOOL,
359 .type = QEMU_OPT_STRING,
361 .name = "splash-time",
362 .type = QEMU_OPT_STRING,
364 .name = "reboot-timeout",
365 .type = QEMU_OPT_STRING,
368 .type = QEMU_OPT_BOOL,
374 static QemuOptsList qemu_add_fd_opts = {
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
380 .type = QEMU_OPT_NUMBER,
381 .help = "file descriptor of which a duplicate is added to fd set",
384 .type = QEMU_OPT_NUMBER,
385 .help = "ID of the fd set to add fd to",
388 .type = QEMU_OPT_STRING,
389 .help = "free-form string used to describe fd",
391 { /* end of list */ }
395 static QemuOptsList qemu_object_opts = {
397 .implied_opt_name = "qom-type",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
404 static QemuOptsList qemu_tpmdev_opts = {
406 .implied_opt_name = "type",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
409 /* options are defined in the TPM backends */
410 { /* end of list */ }
414 static QemuOptsList qemu_realtime_opts = {
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
420 .type = QEMU_OPT_BOOL,
422 { /* end of list */ }
426 static QemuOptsList qemu_msg_opts = {
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
432 .type = QEMU_OPT_BOOL,
434 { /* end of list */ }
438 static QemuOptsList qemu_name_opts = {
440 .implied_opt_name = "guest",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the guest.\n"
448 "This name will be displayed in the SDL window caption.\n"
449 "The name will also be used for the VNC server",
452 .type = QEMU_OPT_STRING,
453 .help = "Sets the name of the QEMU process, as shown in top etc",
455 .name = "debug-threads",
456 .type = QEMU_OPT_BOOL,
457 .help = "When enabled, name the individual threads; defaults off.\n"
458 "NOTE: The thread names are for debugging and not a\n"
461 { /* End of list */ }
465 static QemuOptsList qemu_mem_opts = {
467 .implied_opt_name = "size",
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
473 .type = QEMU_OPT_SIZE,
477 .type = QEMU_OPT_NUMBER,
481 .type = QEMU_OPT_SIZE,
483 { /* end of list */ }
487 static QemuOptsList qemu_icount_opts = {
489 .implied_opt_name = "shift",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
495 .type = QEMU_OPT_STRING,
498 .type = QEMU_OPT_BOOL,
501 .type = QEMU_OPT_BOOL,
504 .type = QEMU_OPT_STRING,
507 .type = QEMU_OPT_STRING,
509 .name = "rrsnapshot",
510 .type = QEMU_OPT_STRING,
512 { /* end of list */ }
516 static QemuOptsList qemu_semihosting_config_opts = {
517 .name = "semihosting-config",
518 .implied_opt_name = "enable",
519 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
523 .type = QEMU_OPT_BOOL,
526 .type = QEMU_OPT_STRING,
529 .type = QEMU_OPT_STRING,
531 { /* end of list */ }
535 static QemuOptsList qemu_fw_cfg_opts = {
537 .implied_opt_name = "name",
538 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
542 .type = QEMU_OPT_STRING,
543 .help = "Sets the fw_cfg name of the blob to be inserted",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the name of the file from which\n"
548 "the fw_cfg blob will be loaded",
551 .type = QEMU_OPT_STRING,
552 .help = "Sets content of the blob to be inserted from a string",
554 { /* end of list */ }
559 * Get machine options
561 * Returns: machine options (never null).
563 QemuOpts *qemu_get_machine_opts(void)
565 return qemu_find_opts_singleton("machine");
568 const char *qemu_get_vm_name(void)
573 static void res_free(void)
575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
579 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
581 const char *driver = qemu_opt_get(opts, "driver");
586 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
587 if (strcmp(default_list[i].driver, driver) != 0)
589 *(default_list[i].flag) = 0;
594 /***********************************************************/
597 static RunState current_run_state = RUN_STATE_PRELAUNCH;
599 /* We use RUN_STATE__MAX but any invalid value will do */
600 static RunState vmstop_requested = RUN_STATE__MAX;
601 static QemuMutex vmstop_lock;
606 } RunStateTransition;
608 static const RunStateTransition runstate_transitions_def[] = {
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
694 { RUN_STATE__MAX, RUN_STATE__MAX },
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
699 bool runstate_check(RunState state)
701 return current_run_state == state;
704 bool runstate_store(char *str, size_t size)
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
712 memcpy(str, state, len);
716 static void runstate_init(void)
718 const RunStateTransition *p;
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
725 qemu_mutex_init(&vmstop_lock);
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
731 assert(new_state < RUN_STATE__MAX);
733 if (current_run_state == new_state) {
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
747 int runstate_is_running(void)
749 return runstate_check(RUN_STATE_RUNNING);
752 bool runstate_needs_reset(void)
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
758 StatusInfo *qmp_query_status(Error **errp)
760 StatusInfo *info = g_malloc0(sizeof(*info));
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
769 bool qemu_vmstop_requested(RunState *r)
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
778 void qemu_system_vmstop_request_prepare(void)
780 qemu_mutex_lock(&vmstop_lock);
783 void qemu_system_vmstop_request(RunState state)
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
790 /***********************************************************/
791 /* real time host monotonic timer */
793 static time_t qemu_time(void)
795 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
798 /***********************************************************/
799 /* host time/date access */
800 void qemu_get_timedate(struct tm *tm, int offset)
802 time_t ti = qemu_time();
805 if (rtc_date_offset == -1) {
809 localtime_r(&ti, tm);
811 ti -= rtc_date_offset;
816 int qemu_timedate_diff(struct tm *tm)
820 if (rtc_date_offset == -1)
822 seconds = mktimegm(tm);
825 tmp.tm_isdst = -1; /* use timezone to figure it out */
826 seconds = mktime(&tmp);
829 seconds = mktimegm(tm) + rtc_date_offset;
831 return seconds - qemu_time();
834 static void configure_rtc_date_offset(const char *startdate, int legacy)
836 time_t rtc_start_date;
839 if (!strcmp(startdate, "now") && legacy) {
840 rtc_date_offset = -1;
842 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
850 } else if (sscanf(startdate, "%d-%d-%d",
862 rtc_start_date = mktimegm(&tm);
863 if (rtc_start_date == -1) {
865 error_report("invalid date format");
866 error_printf("valid formats: "
867 "'2006-06-17T16:01:21' or '2006-06-17'\n");
870 rtc_date_offset = qemu_time() - rtc_start_date;
874 static void configure_rtc(QemuOpts *opts)
878 value = qemu_opt_get(opts, "base");
880 if (!strcmp(value, "utc")) {
882 } else if (!strcmp(value, "localtime")) {
883 Error *blocker = NULL;
885 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
886 "-rtc base=localtime");
887 replay_add_blocker(blocker);
889 configure_rtc_date_offset(value, 0);
892 value = qemu_opt_get(opts, "clock");
894 if (!strcmp(value, "host")) {
895 rtc_clock = QEMU_CLOCK_HOST;
896 } else if (!strcmp(value, "rt")) {
897 rtc_clock = QEMU_CLOCK_REALTIME;
898 } else if (!strcmp(value, "vm")) {
899 rtc_clock = QEMU_CLOCK_VIRTUAL;
901 error_report("invalid option value '%s'", value);
905 value = qemu_opt_get(opts, "driftfix");
907 if (!strcmp(value, "slew")) {
908 static GlobalProperty slew_lost_ticks = {
909 .driver = "mc146818rtc",
910 .property = "lost_tick_policy",
914 qdev_prop_register_global(&slew_lost_ticks);
915 } else if (!strcmp(value, "none")) {
916 /* discard is default */
918 error_report("invalid option value '%s'", value);
924 /***********************************************************/
925 /* Bluetooth support */
928 static struct HCIInfo *hci_table[MAX_NICS];
930 struct HCIInfo *qemu_next_hci(void)
932 if (cur_hci == nb_hcis)
935 return hci_table[cur_hci++];
938 static int bt_hci_parse(const char *str)
943 if (nb_hcis >= MAX_NICS) {
944 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
957 bdaddr.b[5] = 0x56 + nb_hcis;
958 hci->bdaddr_set(hci, bdaddr.b);
960 hci_table[nb_hcis++] = hci;
965 static void bt_vhci_add(int vlan_id)
967 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
970 warn_report("adding a VHCI to an empty scatternet %i",
973 bt_vhci_init(bt_new_hci(vlan));
976 static struct bt_device_s *bt_device_add(const char *opt)
978 struct bt_scatternet_s *vlan;
980 char *endp = strstr(opt, ",vlan=");
981 int len = (endp ? endp - opt : strlen(opt)) + 1;
984 pstrcpy(devname, MIN(sizeof(devname), len), opt);
987 vlan_id = strtol(endp + 6, &endp, 0);
989 error_report("unrecognised bluetooth vlan Id");
994 vlan = qemu_find_bt_vlan(vlan_id);
997 warn_report("adding a slave device to an empty scatternet %i",
1000 if (!strcmp(devname, "keyboard"))
1001 return bt_keyboard_init(vlan);
1003 error_report("unsupported bluetooth device '%s'", devname);
1007 static int bt_parse(const char *opt)
1009 const char *endp, *p;
1012 if (strstart(opt, "hci", &endp)) {
1013 if (!*endp || *endp == ',') {
1015 if (!strstart(endp, ",vlan=", 0))
1018 return bt_hci_parse(opt);
1020 } else if (strstart(opt, "vhci", &endp)) {
1021 if (!*endp || *endp == ',') {
1023 if (strstart(endp, ",vlan=", &p)) {
1024 vlan = strtol(p, (char **) &endp, 0);
1026 error_report("bad scatternet '%s'", p);
1030 error_report("bad parameter '%s'", endp + 1);
1039 } else if (strstart(opt, "device:", &endp))
1040 return !bt_device_add(endp);
1042 error_report("bad bluetooth parameter '%s'", opt);
1046 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1048 if (qemu_opt_get_bool(opts, "enable", false)) {
1049 #ifdef CONFIG_SECCOMP
1050 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1051 | QEMU_SECCOMP_SET_OBSOLETE;
1052 const char *value = NULL;
1054 value = qemu_opt_get(opts, "obsolete");
1056 if (g_str_equal(value, "allow")) {
1057 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1058 } else if (g_str_equal(value, "deny")) {
1059 /* this is the default option, this if is here
1060 * to provide a little bit of consistency for
1061 * the command line */
1063 error_report("invalid argument for obsolete");
1068 value = qemu_opt_get(opts, "elevateprivileges");
1070 if (g_str_equal(value, "deny")) {
1071 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1072 } else if (g_str_equal(value, "children")) {
1073 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1075 /* calling prctl directly because we're
1076 * not sure if host has CAP_SYS_ADMIN set*/
1077 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1078 error_report("failed to set no_new_privs "
1082 } else if (g_str_equal(value, "allow")) {
1085 error_report("invalid argument for elevateprivileges");
1090 value = qemu_opt_get(opts, "spawn");
1092 if (g_str_equal(value, "deny")) {
1093 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1094 } else if (g_str_equal(value, "allow")) {
1097 error_report("invalid argument for spawn");
1102 value = qemu_opt_get(opts, "resourcecontrol");
1104 if (g_str_equal(value, "deny")) {
1105 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1106 } else if (g_str_equal(value, "allow")) {
1109 error_report("invalid argument for resourcecontrol");
1114 if (seccomp_start(seccomp_opts) < 0) {
1115 error_report("failed to install seccomp syscall filter "
1120 error_report("seccomp support is disabled");
1128 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1130 const char *proc_name;
1132 if (qemu_opt_get(opts, "debug-threads")) {
1133 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1135 qemu_name = qemu_opt_get(opts, "guest");
1137 proc_name = qemu_opt_get(opts, "process");
1139 os_set_proc_name(proc_name);
1145 bool defaults_enabled(void)
1147 return has_defaults;
1151 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1153 int fd, dupfd, flags;
1155 const char *fd_opaque = NULL;
1158 fd = qemu_opt_get_number(opts, "fd", -1);
1159 fdset_id = qemu_opt_get_number(opts, "set", -1);
1160 fd_opaque = qemu_opt_get(opts, "opaque");
1163 error_report("fd option is required and must be non-negative");
1167 if (fd <= STDERR_FILENO) {
1168 error_report("fd cannot be a standard I/O stream");
1173 * All fds inherited across exec() necessarily have FD_CLOEXEC
1174 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1176 flags = fcntl(fd, F_GETFD);
1177 if (flags == -1 || (flags & FD_CLOEXEC)) {
1178 error_report("fd is not valid or already in use");
1183 error_report("set option is required and must be non-negative");
1187 #ifdef F_DUPFD_CLOEXEC
1188 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1192 qemu_set_cloexec(dupfd);
1196 error_report("error duplicating fd: %s", strerror(errno));
1200 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1201 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1208 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1212 fd = qemu_opt_get_number(opts, "fd", -1);
1219 /***********************************************************/
1220 /* QEMU Block devices */
1222 #define HD_OPTS "media=disk"
1223 #define CDROM_OPTS "media=cdrom"
1225 #define PFLASH_OPTS ""
1229 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1231 BlockInterfaceType *block_default_type = opaque;
1233 return drive_new(opts, *block_default_type) == NULL;
1236 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1238 if (qemu_opt_get(opts, "snapshot") == NULL) {
1239 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1244 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1245 int index, const char *optstr)
1250 if (!enable || drive_get_by_index(type, index)) {
1254 opts = drive_add(type, index, NULL, optstr);
1256 drive_enable_snapshot(NULL, opts, NULL);
1259 dinfo = drive_new(opts, type);
1263 dinfo->is_default = true;
1267 static QemuOptsList qemu_smp_opts = {
1269 .implied_opt_name = "cpus",
1270 .merge_lists = true,
1271 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1275 .type = QEMU_OPT_NUMBER,
1278 .type = QEMU_OPT_NUMBER,
1281 .type = QEMU_OPT_NUMBER,
1284 .type = QEMU_OPT_NUMBER,
1287 .type = QEMU_OPT_NUMBER,
1289 { /*End of list */ }
1293 static void smp_parse(QemuOpts *opts)
1296 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1297 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1298 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1299 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1301 /* compute missing values, prefer sockets over cores over threads */
1302 if (cpus == 0 || sockets == 0) {
1303 sockets = sockets > 0 ? sockets : 1;
1304 cores = cores > 0 ? cores : 1;
1305 threads = threads > 0 ? threads : 1;
1307 cpus = cores * threads * sockets;
1309 } else if (cores == 0) {
1310 threads = threads > 0 ? threads : 1;
1311 cores = cpus / (sockets * threads);
1312 cores = cores > 0 ? cores : 1;
1313 } else if (threads == 0) {
1314 threads = cpus / (cores * sockets);
1315 threads = threads > 0 ? threads : 1;
1316 } else if (sockets * cores * threads < cpus) {
1317 error_report("cpu topology: "
1318 "sockets (%u) * cores (%u) * threads (%u) < "
1320 sockets, cores, threads, cpus);
1324 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1326 if (max_cpus < cpus) {
1327 error_report("maxcpus must be equal to or greater than smp");
1331 if (sockets * cores * threads > max_cpus) {
1332 error_report("cpu topology: "
1333 "sockets (%u) * cores (%u) * threads (%u) > "
1335 sockets, cores, threads, max_cpus);
1341 smp_threads = threads;
1345 Error *blocker = NULL;
1346 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1347 replay_add_blocker(blocker);
1351 static void realtime_init(void)
1354 if (os_mlock() < 0) {
1355 error_report("locking memory failed");
1362 static void configure_msg(QemuOpts *opts)
1364 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1367 /***********************************************************/
1370 typedef struct SemihostingConfig {
1372 SemihostingTarget target;
1375 const char *cmdline; /* concatenated argv */
1376 } SemihostingConfig;
1378 static SemihostingConfig semihosting;
1380 bool semihosting_enabled(void)
1382 return semihosting.enabled;
1385 SemihostingTarget semihosting_get_target(void)
1387 return semihosting.target;
1390 const char *semihosting_get_arg(int i)
1392 if (i >= semihosting.argc) {
1395 return semihosting.argv[i];
1398 int semihosting_get_argc(void)
1400 return semihosting.argc;
1403 const char *semihosting_get_cmdline(void)
1405 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1406 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1408 return semihosting.cmdline;
1411 static int add_semihosting_arg(void *opaque,
1412 const char *name, const char *val,
1415 SemihostingConfig *s = opaque;
1416 if (strcmp(name, "arg") == 0) {
1418 /* one extra element as g_strjoinv() expects NULL-terminated array */
1419 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1420 s->argv[s->argc - 1] = val;
1421 s->argv[s->argc] = NULL;
1426 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1427 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1432 add_semihosting_arg(&semihosting, "arg", file, NULL);
1434 /* split -append and initialize argv[1..n] */
1435 cmd_token = strtok(g_strdup(cmd), " ");
1437 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1438 cmd_token = strtok(NULL, " ");
1442 /* Now we still need this for compatibility with XEN. */
1443 bool has_igd_gfx_passthru;
1444 static void igd_gfx_passthru(void)
1446 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1449 /***********************************************************/
1452 static int usb_device_add(const char *devname)
1454 USBDevice *dev = NULL;
1455 #ifndef CONFIG_LINUX
1459 if (!machine_usb(current_machine)) {
1463 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1464 dev = usbdevice_create(devname);
1468 /* the other ones */
1469 #ifndef CONFIG_LINUX
1470 /* only the linux version is qdev-ified, usb-bsd still needs this */
1471 if (strstart(devname, "host:", &p)) {
1472 dev = usb_host_device_open(usb_bus_find(-1), p);
1482 static int usb_device_del(const char *devname)
1487 if (strstart(devname, "host:", &p)) {
1491 if (!machine_usb(current_machine)) {
1495 p = strchr(devname, '.');
1498 bus_num = strtoul(devname, NULL, 0);
1499 addr = strtoul(p + 1, NULL, 0);
1501 return usb_device_delete_addr(bus_num, addr);
1504 static int usb_parse(const char *cmdline)
1507 r = usb_device_add(cmdline);
1509 error_report("could not add USB device '%s'", cmdline);
1514 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1516 const char *devname = qdict_get_str(qdict, "devname");
1518 error_report("usb_add is deprecated, please use device_add instead");
1520 if (usb_device_add(devname) < 0) {
1521 error_report("could not add USB device '%s'", devname);
1525 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1527 const char *devname = qdict_get_str(qdict, "devname");
1529 error_report("usb_del is deprecated, please use device_del instead");
1531 if (usb_device_del(devname) < 0) {
1532 error_report("could not delete USB device '%s'", devname);
1536 /***********************************************************/
1537 /* machine registration */
1539 MachineState *current_machine;
1541 static MachineClass *find_machine(const char *name)
1543 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1544 MachineClass *mc = NULL;
1546 for (el = machines; el; el = el->next) {
1547 MachineClass *temp = el->data;
1549 if (!strcmp(temp->name, name)) {
1554 !strcmp(temp->alias, name)) {
1560 g_slist_free(machines);
1564 MachineClass *find_default_machine(void)
1566 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1567 MachineClass *mc = NULL;
1569 for (el = machines; el; el = el->next) {
1570 MachineClass *temp = el->data;
1572 if (temp->is_default) {
1578 g_slist_free(machines);
1582 MachineInfoList *qmp_query_machines(Error **errp)
1584 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1585 MachineInfoList *mach_list = NULL;
1587 for (el = machines; el; el = el->next) {
1588 MachineClass *mc = el->data;
1589 MachineInfoList *entry;
1592 info = g_malloc0(sizeof(*info));
1593 if (mc->is_default) {
1594 info->has_is_default = true;
1595 info->is_default = true;
1599 info->has_alias = true;
1600 info->alias = g_strdup(mc->alias);
1603 info->name = g_strdup(mc->name);
1604 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1605 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1607 entry = g_malloc0(sizeof(*entry));
1608 entry->value = info;
1609 entry->next = mach_list;
1613 g_slist_free(machines);
1617 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1619 ObjectProperty *prop;
1620 ObjectPropertyIterator iter;
1622 if (!qemu_opt_has_help_opt(opts)) {
1626 object_property_iter_init(&iter, OBJECT(machine));
1627 while ((prop = object_property_iter_next(&iter))) {
1632 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1633 prop->name, prop->type);
1634 if (prop->description) {
1635 error_printf(" (%s)\n", prop->description);
1644 /***********************************************************/
1645 /* main execution loop */
1647 struct vm_change_state_entry {
1648 VMChangeStateHandler *cb;
1650 QLIST_ENTRY (vm_change_state_entry) entries;
1653 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1655 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1658 VMChangeStateEntry *e;
1660 e = g_malloc0(sizeof (*e));
1664 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1668 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1670 QLIST_REMOVE (e, entries);
1674 void vm_state_notify(int running, RunState state)
1676 VMChangeStateEntry *e, *next;
1678 trace_vm_state_notify(running, state);
1680 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1681 e->cb(e->opaque, running, state);
1685 static ShutdownCause reset_requested;
1686 static ShutdownCause shutdown_requested;
1687 static int shutdown_signal;
1688 static pid_t shutdown_pid;
1689 static int powerdown_requested;
1690 static int debug_requested;
1691 static int suspend_requested;
1692 static WakeupReason wakeup_reason;
1693 static NotifierList powerdown_notifiers =
1694 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1695 static NotifierList suspend_notifiers =
1696 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1697 static NotifierList wakeup_notifiers =
1698 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1699 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1701 ShutdownCause qemu_shutdown_requested_get(void)
1703 return shutdown_requested;
1706 ShutdownCause qemu_reset_requested_get(void)
1708 return reset_requested;
1711 static int qemu_shutdown_requested(void)
1713 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1716 static void qemu_kill_report(void)
1718 if (!qtest_driver() && shutdown_signal) {
1719 if (shutdown_pid == 0) {
1720 /* This happens for eg ^C at the terminal, so it's worth
1721 * avoiding printing an odd message in that case.
1723 error_report("terminating on signal %d", shutdown_signal);
1725 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1727 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1728 shutdown_signal, shutdown_pid,
1729 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1730 g_free(shutdown_cmd);
1732 shutdown_signal = 0;
1736 static ShutdownCause qemu_reset_requested(void)
1738 ShutdownCause r = reset_requested;
1740 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1741 reset_requested = SHUTDOWN_CAUSE_NONE;
1744 return SHUTDOWN_CAUSE_NONE;
1747 static int qemu_suspend_requested(void)
1749 int r = suspend_requested;
1750 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1751 suspend_requested = 0;
1757 static WakeupReason qemu_wakeup_requested(void)
1759 return wakeup_reason;
1762 static int qemu_powerdown_requested(void)
1764 int r = powerdown_requested;
1765 powerdown_requested = 0;
1769 static int qemu_debug_requested(void)
1771 int r = debug_requested;
1772 debug_requested = 0;
1777 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1779 void qemu_system_reset(ShutdownCause reason)
1783 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1785 cpu_synchronize_all_states();
1787 if (mc && mc->reset) {
1790 qemu_devices_reset();
1793 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1796 cpu_synchronize_all_post_reset();
1799 void qemu_system_guest_panicked(GuestPanicInformation *info)
1801 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1804 current_cpu->crash_occurred = true;
1806 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1807 !!info, info, &error_abort);
1808 vm_stop(RUN_STATE_GUEST_PANICKED);
1810 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1811 !!info, info, &error_abort);
1812 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1816 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1817 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1818 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1819 info->u.hyper_v.arg1,
1820 info->u.hyper_v.arg2,
1821 info->u.hyper_v.arg3,
1822 info->u.hyper_v.arg4,
1823 info->u.hyper_v.arg5);
1825 qapi_free_GuestPanicInformation(info);
1829 void qemu_system_reset_request(ShutdownCause reason)
1832 shutdown_requested = reason;
1834 reset_requested = reason;
1837 qemu_notify_event();
1840 static void qemu_system_suspend(void)
1843 notifier_list_notify(&suspend_notifiers, NULL);
1844 runstate_set(RUN_STATE_SUSPENDED);
1845 qapi_event_send_suspend(&error_abort);
1848 void qemu_system_suspend_request(void)
1850 if (runstate_check(RUN_STATE_SUSPENDED)) {
1853 suspend_requested = 1;
1855 qemu_notify_event();
1858 void qemu_register_suspend_notifier(Notifier *notifier)
1860 notifier_list_add(&suspend_notifiers, notifier);
1863 void qemu_system_wakeup_request(WakeupReason reason)
1865 trace_system_wakeup_request(reason);
1867 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1870 if (!(wakeup_reason_mask & (1 << reason))) {
1873 runstate_set(RUN_STATE_RUNNING);
1874 wakeup_reason = reason;
1875 qemu_notify_event();
1878 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1881 wakeup_reason_mask |= (1 << reason);
1883 wakeup_reason_mask &= ~(1 << reason);
1887 void qemu_register_wakeup_notifier(Notifier *notifier)
1889 notifier_list_add(&wakeup_notifiers, notifier);
1892 void qemu_system_killed(int signal, pid_t pid)
1894 shutdown_signal = signal;
1898 /* Cannot call qemu_system_shutdown_request directly because
1899 * we are in a signal handler.
1901 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1902 qemu_notify_event();
1905 void qemu_system_shutdown_request(ShutdownCause reason)
1907 trace_qemu_system_shutdown_request(reason);
1908 replay_shutdown_request(reason);
1909 shutdown_requested = reason;
1910 qemu_notify_event();
1913 static void qemu_system_powerdown(void)
1915 qapi_event_send_powerdown(&error_abort);
1916 notifier_list_notify(&powerdown_notifiers, NULL);
1919 void qemu_system_powerdown_request(void)
1921 trace_qemu_system_powerdown_request();
1922 powerdown_requested = 1;
1923 qemu_notify_event();
1926 void qemu_register_powerdown_notifier(Notifier *notifier)
1928 notifier_list_add(&powerdown_notifiers, notifier);
1931 void qemu_system_debug_request(void)
1933 debug_requested = 1;
1934 qemu_notify_event();
1937 static bool main_loop_should_exit(void)
1940 ShutdownCause request;
1942 if (qemu_debug_requested()) {
1943 vm_stop(RUN_STATE_DEBUG);
1945 if (qemu_suspend_requested()) {
1946 qemu_system_suspend();
1948 request = qemu_shutdown_requested();
1951 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1954 vm_stop(RUN_STATE_SHUTDOWN);
1959 request = qemu_reset_requested();
1962 qemu_system_reset(request);
1964 if (!runstate_check(RUN_STATE_RUNNING) &&
1965 !runstate_check(RUN_STATE_INMIGRATE)) {
1966 runstate_set(RUN_STATE_PRELAUNCH);
1969 if (qemu_wakeup_requested()) {
1971 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1972 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1973 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1975 qapi_event_send_wakeup(&error_abort);
1977 if (qemu_powerdown_requested()) {
1978 qemu_system_powerdown();
1980 if (qemu_vmstop_requested(&r)) {
1986 static void main_loop(void)
1988 #ifdef CONFIG_PROFILER
1992 #ifdef CONFIG_PROFILER
1993 ti = profile_getclock();
1995 main_loop_wait(false);
1996 #ifdef CONFIG_PROFILER
1997 dev_time += profile_getclock() - ti;
1999 } while (!main_loop_should_exit());
2002 static void version(void)
2004 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
2005 QEMU_COPYRIGHT "\n");
2008 static void help(int exitcode)
2011 printf("usage: %s [options] [disk_image]\n\n"
2012 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2013 error_get_progname());
2015 #define QEMU_OPTIONS_GENERATE_HELP
2016 #include "qemu-options-wrapper.h"
2018 printf("\nDuring emulation, the following keys are useful:\n"
2019 "ctrl-alt-f toggle full screen\n"
2020 "ctrl-alt-n switch to virtual console 'n'\n"
2021 "ctrl-alt toggle mouse and keyboard grab\n"
2023 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2025 QEMU_HELP_BOTTOM "\n");
2030 #define HAS_ARG 0x0001
2032 typedef struct QEMUOption {
2039 static const QEMUOption qemu_options[] = {
2040 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2041 #define QEMU_OPTIONS_GENERATE_OPTIONS
2042 #include "qemu-options-wrapper.h"
2046 typedef struct VGAInterfaceInfo {
2047 const char *opt_name; /* option name */
2048 const char *name; /* human-readable name */
2049 /* Class names indicating that support is available.
2050 * If no class is specified, the interface is always available */
2051 const char *class_names[2];
2054 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2060 .name = "standard VGA",
2061 .class_names = { "VGA", "isa-vga" },
2064 .opt_name = "cirrus",
2065 .name = "Cirrus VGA",
2066 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2069 .opt_name = "vmware",
2070 .name = "VMWare SVGA",
2071 .class_names = { "vmware-svga" },
2074 .opt_name = "virtio",
2075 .name = "Virtio VGA",
2076 .class_names = { "virtio-vga" },
2081 .class_names = { "qxl-vga" },
2085 .name = "TCX framebuffer",
2086 .class_names = { "SUNW,tcx" },
2090 .name = "CG3 framebuffer",
2091 .class_names = { "cgthree" },
2094 .opt_name = "xenfb",
2098 static bool vga_interface_available(VGAInterfaceType t)
2100 VGAInterfaceInfo *ti = &vga_interfaces[t];
2102 assert(t < VGA_TYPE_MAX);
2103 return !ti->class_names[0] ||
2104 object_class_by_name(ti->class_names[0]) ||
2105 object_class_by_name(ti->class_names[1]);
2108 static void select_vgahw(const char *p)
2113 assert(vga_interface_type == VGA_NONE);
2114 for (t = 0; t < VGA_TYPE_MAX; t++) {
2115 VGAInterfaceInfo *ti = &vga_interfaces[t];
2116 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2117 if (!vga_interface_available(t)) {
2118 error_report("%s not available", ti->name);
2121 vga_interface_type = t;
2125 if (t == VGA_TYPE_MAX) {
2127 error_report("unknown vga type: %s", p);
2131 const char *nextopt;
2133 if (strstart(opts, ",retrace=", &nextopt)) {
2135 if (strstart(opts, "dumb", &nextopt))
2136 vga_retrace_method = VGA_RETRACE_DUMB;
2137 else if (strstart(opts, "precise", &nextopt))
2138 vga_retrace_method = VGA_RETRACE_PRECISE;
2139 else goto invalid_vga;
2140 } else goto invalid_vga;
2145 typedef enum DisplayType {
2155 static DisplayType select_display(const char *p)
2158 DisplayType display = DT_DEFAULT;
2160 if (strstart(p, "sdl", &opts)) {
2164 const char *nextopt;
2166 if (strstart(opts, ",frame=", &nextopt)) {
2168 if (strstart(opts, "on", &nextopt)) {
2170 } else if (strstart(opts, "off", &nextopt)) {
2173 goto invalid_sdl_args;
2175 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2177 if (strstart(opts, "on", &nextopt)) {
2179 } else if (strstart(opts, "off", &nextopt)) {
2182 goto invalid_sdl_args;
2184 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2186 if (strstart(opts, "on", &nextopt)) {
2188 } else if (strstart(opts, "off", &nextopt)) {
2191 goto invalid_sdl_args;
2193 } else if (strstart(opts, ",window_close=", &nextopt)) {
2195 if (strstart(opts, "on", &nextopt)) {
2197 } else if (strstart(opts, "off", &nextopt)) {
2200 goto invalid_sdl_args;
2202 } else if (strstart(opts, ",gl=", &nextopt)) {
2204 if (strstart(opts, "on", &nextopt)) {
2206 } else if (strstart(opts, "off", &nextopt)) {
2209 goto invalid_sdl_args;
2213 error_report("invalid SDL option string");
2219 error_report("SDL support is disabled");
2222 } else if (strstart(p, "vnc", &opts)) {
2224 vnc_parse(opts + 1, &error_fatal);
2226 error_report("VNC requires a display argument vnc=<display>");
2229 } else if (strstart(p, "egl-headless", &opts)) {
2230 #ifdef CONFIG_OPENGL_DMABUF
2235 fprintf(stderr, "egl support is disabled\n");
2238 } else if (strstart(p, "curses", &opts)) {
2239 #ifdef CONFIG_CURSES
2240 display = DT_CURSES;
2242 error_report("curses support is disabled");
2245 } else if (strstart(p, "gtk", &opts)) {
2249 const char *nextopt;
2251 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2253 if (strstart(opts, "on", &nextopt)) {
2254 grab_on_hover = true;
2255 } else if (strstart(opts, "off", &nextopt)) {
2256 grab_on_hover = false;
2258 goto invalid_gtk_args;
2260 } else if (strstart(opts, ",gl=", &nextopt)) {
2262 if (strstart(opts, "on", &nextopt)) {
2264 } else if (strstart(opts, "off", &nextopt)) {
2267 goto invalid_gtk_args;
2271 error_report("invalid GTK option string");
2277 error_report("GTK support is disabled");
2280 } else if (strstart(p, "none", &opts)) {
2283 error_report("unknown display type");
2290 static int balloon_parse(const char *arg)
2294 if (strcmp(arg, "none") == 0) {
2298 if (!strncmp(arg, "virtio", 6)) {
2299 if (arg[6] == ',') {
2300 /* have params -> parse them */
2301 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2306 /* create empty opts */
2307 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2310 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2317 char *qemu_find_file(int type, const char *name)
2323 /* Try the name as a straight path first */
2324 if (access(name, R_OK) == 0) {
2325 trace_load_file(name, name);
2326 return g_strdup(name);
2330 case QEMU_FILE_TYPE_BIOS:
2333 case QEMU_FILE_TYPE_KEYMAP:
2334 subdir = "keymaps/";
2340 for (i = 0; i < data_dir_idx; i++) {
2341 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2342 if (access(buf, R_OK) == 0) {
2343 trace_load_file(name, buf);
2351 static void qemu_add_data_dir(const char *path)
2358 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2361 for (i = 0; i < data_dir_idx; i++) {
2362 if (strcmp(data_dir[i], path) == 0) {
2363 return; /* duplicate */
2366 data_dir[data_dir_idx++] = path;
2369 static inline bool nonempty_str(const char *str)
2374 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2378 const char *name, *file, *str;
2379 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2381 if (fw_cfg == NULL) {
2382 error_report("fw_cfg device not available");
2385 name = qemu_opt_get(opts, "name");
2386 file = qemu_opt_get(opts, "file");
2387 str = qemu_opt_get(opts, "string");
2389 /* we need name and either a file or the content string */
2390 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2391 error_report("invalid argument(s)");
2394 if (nonempty_str(file) && nonempty_str(str)) {
2395 error_report("file and string are mutually exclusive");
2398 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2399 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2402 if (strncmp(name, "opt/", 4) != 0) {
2403 warn_report("externally provided fw_cfg item names "
2404 "should be prefixed with \"opt/\"");
2406 if (nonempty_str(str)) {
2407 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2408 buf = g_memdup(str, size);
2410 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2411 error_report("can't load %s", file);
2415 /* For legacy, keep user files in a specific global order. */
2416 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2417 fw_cfg_add_file(fw_cfg, name, buf, size);
2418 fw_cfg_reset_order_override(fw_cfg);
2422 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2424 return qdev_device_help(opts);
2427 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2432 dev = qdev_device_add(opts, &err);
2434 error_report_err(err);
2437 object_unref(OBJECT(dev));
2441 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2443 Error *local_err = NULL;
2445 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2447 error_report_err(local_err);
2455 #ifdef CONFIG_VIRTFS
2456 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2458 return qemu_fsdev_add(opts);
2462 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2465 const char *chardev;
2469 mode = qemu_opt_get(opts, "mode");
2473 if (strcmp(mode, "readline") == 0) {
2474 flags = MONITOR_USE_READLINE;
2475 } else if (strcmp(mode, "control") == 0) {
2476 flags = MONITOR_USE_CONTROL;
2478 error_report("unknown monitor mode \"%s\"", mode);
2482 if (qemu_opt_get_bool(opts, "pretty", 0))
2483 flags |= MONITOR_USE_PRETTY;
2485 if (qemu_opt_get_bool(opts, "default", 0)) {
2486 error_report("option 'default' does nothing and is deprecated");
2489 chardev = qemu_opt_get(opts, "chardev");
2490 chr = qemu_chr_find(chardev);
2492 error_report("chardev \"%s\" not found", chardev);
2496 monitor_init(chr, flags);
2500 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2502 static int monitor_device_index = 0;
2507 if (strstart(optarg, "chardev:", &p)) {
2508 snprintf(label, sizeof(label), "%s", p);
2510 snprintf(label, sizeof(label), "compat_monitor%d",
2511 monitor_device_index);
2512 opts = qemu_chr_parse_compat(label, optarg);
2514 error_report("parse error: %s", optarg);
2519 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2520 qemu_opt_set(opts, "mode", mode, &error_abort);
2521 qemu_opt_set(opts, "chardev", label, &error_abort);
2522 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2523 monitor_device_index++;
2526 struct device_config {
2528 DEV_USB, /* -usbdevice */
2530 DEV_SERIAL, /* -serial */
2531 DEV_PARALLEL, /* -parallel */
2532 DEV_VIRTCON, /* -virtioconsole */
2533 DEV_DEBUGCON, /* -debugcon */
2534 DEV_GDB, /* -gdb, -s */
2535 DEV_SCLP, /* s390 sclp */
2537 const char *cmdline;
2539 QTAILQ_ENTRY(device_config) next;
2542 static QTAILQ_HEAD(, device_config) device_configs =
2543 QTAILQ_HEAD_INITIALIZER(device_configs);
2545 static void add_device_config(int type, const char *cmdline)
2547 struct device_config *conf;
2549 conf = g_malloc0(sizeof(*conf));
2551 conf->cmdline = cmdline;
2552 loc_save(&conf->loc);
2553 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2556 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2558 struct device_config *conf;
2561 QTAILQ_FOREACH(conf, &device_configs, next) {
2562 if (conf->type != type)
2564 loc_push_restore(&conf->loc);
2565 rc = func(conf->cmdline);
2566 loc_pop(&conf->loc);
2574 static int serial_parse(const char *devname)
2576 static int index = 0;
2579 if (strcmp(devname, "none") == 0)
2581 if (index == MAX_SERIAL_PORTS) {
2582 error_report("too many serial ports");
2585 snprintf(label, sizeof(label), "serial%d", index);
2586 serial_hds[index] = qemu_chr_new(label, devname);
2587 if (!serial_hds[index]) {
2588 error_report("could not connect serial device"
2589 " to character backend '%s'", devname);
2596 static int parallel_parse(const char *devname)
2598 static int index = 0;
2601 if (strcmp(devname, "none") == 0)
2603 if (index == MAX_PARALLEL_PORTS) {
2604 error_report("too many parallel ports");
2607 snprintf(label, sizeof(label), "parallel%d", index);
2608 parallel_hds[index] = qemu_chr_new(label, devname);
2609 if (!parallel_hds[index]) {
2610 error_report("could not connect parallel device"
2611 " to character backend '%s'", devname);
2618 static int virtcon_parse(const char *devname)
2620 QemuOptsList *device = qemu_find_opts("device");
2621 static int index = 0;
2623 QemuOpts *bus_opts, *dev_opts;
2625 if (strcmp(devname, "none") == 0)
2627 if (index == MAX_VIRTIO_CONSOLES) {
2628 error_report("too many virtio consoles");
2632 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2633 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2635 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2636 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2638 snprintf(label, sizeof(label), "virtcon%d", index);
2639 virtcon_hds[index] = qemu_chr_new(label, devname);
2640 if (!virtcon_hds[index]) {
2641 error_report("could not connect virtio console"
2642 " to character backend '%s'", devname);
2645 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2651 static int sclp_parse(const char *devname)
2653 QemuOptsList *device = qemu_find_opts("device");
2654 static int index = 0;
2658 if (strcmp(devname, "none") == 0) {
2661 if (index == MAX_SCLP_CONSOLES) {
2662 error_report("too many sclp consoles");
2666 assert(arch_type == QEMU_ARCH_S390X);
2668 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2669 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2671 snprintf(label, sizeof(label), "sclpcon%d", index);
2672 sclp_hds[index] = qemu_chr_new(label, devname);
2673 if (!sclp_hds[index]) {
2674 error_report("could not connect sclp console"
2675 " to character backend '%s'", devname);
2678 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2684 static int debugcon_parse(const char *devname)
2688 if (!qemu_chr_new("debugcon", devname)) {
2691 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2693 error_report("already have a debugcon device");
2696 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2697 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2701 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2703 const MachineClass *mc1 = a, *mc2 = b;
2706 if (mc1->family == NULL) {
2707 if (mc2->family == NULL) {
2708 /* Compare standalone machine types against each other; they sort
2709 * in increasing order.
2711 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2712 object_class_get_name(OBJECT_CLASS(mc2)));
2715 /* Standalone machine types sort after families. */
2719 if (mc2->family == NULL) {
2720 /* Families sort before standalone machine types. */
2724 /* Families sort between each other alphabetically increasingly. */
2725 res = strcmp(mc1->family, mc2->family);
2730 /* Within the same family, machine types sort in decreasing order. */
2731 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2732 object_class_get_name(OBJECT_CLASS(mc1)));
2735 static MachineClass *machine_parse(const char *name)
2737 MachineClass *mc = NULL;
2738 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2741 mc = find_machine(name);
2744 g_slist_free(machines);
2747 if (name && !is_help_option(name)) {
2748 error_report("unsupported machine type");
2749 error_printf("Use -machine help to list supported machines\n");
2751 printf("Supported machines are:\n");
2752 machines = g_slist_sort(machines, machine_class_cmp);
2753 for (el = machines; el; el = el->next) {
2754 MachineClass *mc = el->data;
2756 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2758 printf("%-20s %s%s\n", mc->name, mc->desc,
2759 mc->is_default ? " (default)" : "");
2763 g_slist_free(machines);
2764 exit(!name || !is_help_option(name));
2767 void qemu_add_exit_notifier(Notifier *notify)
2769 notifier_list_add(&exit_notifiers, notify);
2772 void qemu_remove_exit_notifier(Notifier *notify)
2774 notifier_remove(notify);
2777 static void qemu_run_exit_notifiers(void)
2779 notifier_list_notify(&exit_notifiers, NULL);
2782 static bool machine_init_done;
2784 void qemu_add_machine_init_done_notifier(Notifier *notify)
2786 notifier_list_add(&machine_init_done_notifiers, notify);
2787 if (machine_init_done) {
2788 notify->notify(notify, NULL);
2792 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2794 notifier_remove(notify);
2797 static void qemu_run_machine_init_done_notifiers(void)
2799 notifier_list_notify(&machine_init_done_notifiers, NULL);
2800 machine_init_done = true;
2803 static const QEMUOption *lookup_opt(int argc, char **argv,
2804 const char **poptarg, int *poptind)
2806 const QEMUOption *popt;
2807 int optind = *poptind;
2808 char *r = argv[optind];
2811 loc_set_cmdline(argv, optind, 1);
2813 /* Treat --foo the same as -foo. */
2816 popt = qemu_options;
2819 error_report("invalid option");
2822 if (!strcmp(popt->name, r + 1))
2826 if (popt->flags & HAS_ARG) {
2827 if (optind >= argc) {
2828 error_report("requires an argument");
2831 optarg = argv[optind++];
2832 loc_set_cmdline(argv, optind - 2, 2);
2843 static MachineClass *select_machine(void)
2845 MachineClass *machine_class = find_default_machine();
2850 loc_push_none(&loc);
2852 opts = qemu_get_machine_opts();
2853 qemu_opts_loc_restore(opts);
2855 optarg = qemu_opt_get(opts, "type");
2857 machine_class = machine_parse(optarg);
2860 if (!machine_class) {
2861 error_report("No machine specified, and there is no default");
2862 error_printf("Use -machine help to list supported machines\n");
2867 return machine_class;
2870 static int machine_set_property(void *opaque,
2871 const char *name, const char *value,
2874 Object *obj = OBJECT(opaque);
2875 Error *local_err = NULL;
2878 if (strcmp(name, "type") == 0) {
2882 qom_name = g_strdup(name);
2883 for (p = qom_name; *p; p++) {
2889 object_property_parse(obj, value, qom_name, &local_err);
2893 error_report_err(local_err);
2902 * Initial object creation happens before all other
2903 * QEMU data types are created. The majority of objects
2904 * can be created at this point. The rng-egd object
2905 * cannot be created here, as it depends on the chardev
2908 static bool object_create_initial(const char *type)
2910 if (g_str_equal(type, "rng-egd") ||
2911 g_str_has_prefix(type, "pr-manager-")) {
2916 * return false for concrete netfilters since
2917 * they depend on netdevs already existing
2919 if (g_str_equal(type, "filter-buffer") ||
2920 g_str_equal(type, "filter-dump") ||
2921 g_str_equal(type, "filter-mirror") ||
2922 g_str_equal(type, "filter-redirector") ||
2923 g_str_equal(type, "colo-compare") ||
2924 g_str_equal(type, "filter-rewriter") ||
2925 g_str_equal(type, "filter-replay")) {
2929 /* Memory allocation by backends needs to be done
2930 * after configure_accelerator() (due to the tcg_enabled()
2931 * checks at memory_region_init_*()).
2933 * Also, allocation of large amounts of memory may delay
2934 * chardev initialization for too long, and trigger timeouts
2935 * on software that waits for a monitor socket to be created
2938 if (g_str_has_prefix(type, "memory-backend-")) {
2947 * The remainder of object creation happens after the
2948 * creation of chardev, fsdev, net clients and device data types.
2950 static bool object_create_delayed(const char *type)
2952 return !object_create_initial(type);
2956 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2960 const char *mem_str;
2961 const char *maxmem_str, *slots_str;
2962 const ram_addr_t default_ram_size = mc->default_ram_size;
2963 QemuOpts *opts = qemu_find_opts_singleton("memory");
2966 loc_push_none(&loc);
2967 qemu_opts_loc_restore(opts);
2970 mem_str = qemu_opt_get(opts, "size");
2973 error_report("missing 'size' option value");
2977 sz = qemu_opt_get_size(opts, "size", ram_size);
2979 /* Fix up legacy suffix-less format */
2980 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2981 uint64_t overflow_check = sz;
2984 if ((sz >> 20) != overflow_check) {
2985 error_report("too large 'size' option value");
2991 /* backward compatibility behaviour for case "-m 0" */
2993 sz = default_ram_size;
2996 sz = QEMU_ALIGN_UP(sz, 8192);
2998 if (ram_size != sz) {
2999 error_report("ram size too large");
3003 /* store value for the future use */
3004 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3005 *maxram_size = ram_size;
3007 maxmem_str = qemu_opt_get(opts, "maxmem");
3008 slots_str = qemu_opt_get(opts, "slots");
3009 if (maxmem_str && slots_str) {
3012 sz = qemu_opt_get_size(opts, "maxmem", 0);
3013 slots = qemu_opt_get_number(opts, "slots", 0);
3014 if (sz < ram_size) {
3015 error_report("invalid value of -m option maxmem: "
3016 "maximum memory size (0x%" PRIx64 ") must be at least "
3017 "the initial memory size (0x" RAM_ADDR_FMT ")",
3020 } else if (sz > ram_size) {
3022 error_report("invalid value of -m option: maxmem was "
3023 "specified, but no hotplug slots were specified");
3027 error_report("invalid value of -m option maxmem: "
3028 "memory slots were specified but maximum memory size "
3029 "(0x%" PRIx64 ") is equal to the initial memory size "
3030 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3036 } else if ((!maxmem_str && slots_str) ||
3037 (maxmem_str && !slots_str)) {
3038 error_report("invalid -m option value: missing "
3039 "'%s' option", slots_str ? "maxmem" : "slots");
3046 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
3050 g = g_malloc0(sizeof(*g));
3051 g->driver = qemu_opt_get(opts, "driver");
3052 g->property = qemu_opt_get(opts, "property");
3053 g->value = qemu_opt_get(opts, "value");
3054 g->user_provided = true;
3055 g->errp = &error_fatal;
3056 qdev_prop_register_global(g);
3060 static int qemu_read_default_config_file(void)
3064 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3065 if (ret < 0 && ret != -ENOENT) {
3072 static void user_register_global_props(void)
3074 qemu_opts_foreach(qemu_find_opts("global"),
3075 global_init_func, NULL, NULL);
3079 * Note: we should see that these properties are actually having a
3080 * priority: accel < machine < user. This means e.g. when user
3081 * specifies something in "-global", it'll always be used with highest
3082 * priority than either machine/accelerator compat properties.
3084 static void register_global_properties(MachineState *ms)
3086 accel_register_compat_props(ms->accelerator);
3087 machine_register_compat_props(ms);
3088 user_register_global_props();
3091 int main(int argc, char **argv, char **envp)
3094 int snapshot, linux_boot;
3095 const char *initrd_filename;
3096 const char *kernel_filename, *kernel_cmdline;
3097 const char *boot_order = NULL;
3098 const char *boot_once = NULL;
3100 int cyls, heads, secs, translation;
3101 QemuOpts *opts, *machine_opts;
3102 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3103 QemuOptsList *olist;
3106 const char *loadvm = NULL;
3107 MachineClass *machine_class;
3108 const char *cpu_model;
3109 const char *vga_model = NULL;
3110 const char *qtest_chrdev = NULL;
3111 const char *qtest_log = NULL;
3112 const char *pid_file = NULL;
3113 const char *incoming = NULL;
3114 bool userconfig = true;
3115 bool nographic = false;
3116 DisplayType display_type = DT_DEFAULT;
3117 int display_remote = 0;
3118 const char *log_mask = NULL;
3119 const char *log_file = NULL;
3120 char *trace_file = NULL;
3121 ram_addr_t maxram_size;
3122 uint64_t ram_slots = 0;
3123 FILE *vmstate_dump_file = NULL;
3124 Error *main_loop_err = NULL;
3126 bool list_data_dirs = false;
3128 typedef struct BlockdevOptions_queue {
3129 BlockdevOptions *bdo;
3131 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3132 } BlockdevOptions_queue;
3133 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3134 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3136 module_call_init(MODULE_INIT_TRACE);
3138 qemu_init_cpu_list();
3139 qemu_init_cpu_loop();
3140 qemu_mutex_lock_iothread();
3142 atexit(qemu_run_exit_notifiers);
3143 error_set_progname(argv[0]);
3144 qemu_init_exec_dir(argv[0]);
3146 module_call_init(MODULE_INIT_QOM);
3147 monitor_init_qmp_commands();
3149 qemu_add_opts(&qemu_drive_opts);
3150 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3151 qemu_add_drive_opts(&qemu_common_drive_opts);
3152 qemu_add_drive_opts(&qemu_drive_opts);
3153 qemu_add_drive_opts(&bdrv_runtime_opts);
3154 qemu_add_opts(&qemu_chardev_opts);
3155 qemu_add_opts(&qemu_device_opts);
3156 qemu_add_opts(&qemu_netdev_opts);
3157 qemu_add_opts(&qemu_net_opts);
3158 qemu_add_opts(&qemu_rtc_opts);
3159 qemu_add_opts(&qemu_global_opts);
3160 qemu_add_opts(&qemu_mon_opts);
3161 qemu_add_opts(&qemu_trace_opts);
3162 qemu_add_opts(&qemu_option_rom_opts);
3163 qemu_add_opts(&qemu_machine_opts);
3164 qemu_add_opts(&qemu_accel_opts);
3165 qemu_add_opts(&qemu_mem_opts);
3166 qemu_add_opts(&qemu_smp_opts);
3167 qemu_add_opts(&qemu_boot_opts);
3168 qemu_add_opts(&qemu_sandbox_opts);
3169 qemu_add_opts(&qemu_add_fd_opts);
3170 qemu_add_opts(&qemu_object_opts);
3171 qemu_add_opts(&qemu_tpmdev_opts);
3172 qemu_add_opts(&qemu_realtime_opts);
3173 qemu_add_opts(&qemu_msg_opts);
3174 qemu_add_opts(&qemu_name_opts);
3175 qemu_add_opts(&qemu_numa_opts);
3176 qemu_add_opts(&qemu_icount_opts);
3177 qemu_add_opts(&qemu_semihosting_config_opts);
3178 qemu_add_opts(&qemu_fw_cfg_opts);
3179 module_call_init(MODULE_INIT_OPTS);
3183 if (qcrypto_init(&err) < 0) {
3184 error_reportf_err(err, "cannot initialize crypto: ");
3187 rtc_clock = QEMU_CLOCK_HOST;
3189 QLIST_INIT (&vm_change_state_head);
3190 os_setup_early_signal_handling();
3194 cyls = heads = secs = 0;
3195 translation = BIOS_ATA_TRANSLATION_AUTO;
3199 bdrv_init_with_whitelist();
3203 /* first pass of option parsing */
3205 while (optind < argc) {
3206 if (argv[optind][0] != '-') {
3210 const QEMUOption *popt;
3212 popt = lookup_opt(argc, argv, &optarg, &optind);
3213 switch (popt->index) {
3214 case QEMU_OPTION_nodefconfig:
3215 case QEMU_OPTION_nouserconfig:
3223 if (qemu_read_default_config_file() < 0) {
3228 /* second pass of option parsing */
3233 if (argv[optind][0] != '-') {
3234 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3236 const QEMUOption *popt;
3238 popt = lookup_opt(argc, argv, &optarg, &optind);
3239 if (!(popt->arch_mask & arch_type)) {
3240 error_report("Option not supported for this target");
3243 switch(popt->index) {
3244 case QEMU_OPTION_no_kvm_irqchip: {
3245 olist = qemu_find_opts("machine");
3246 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3249 case QEMU_OPTION_cpu:
3250 /* hw initialization will check this */
3253 case QEMU_OPTION_hda:
3257 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3259 snprintf(buf, sizeof(buf),
3260 "%s,cyls=%d,heads=%d,secs=%d%s",
3261 HD_OPTS , cyls, heads, secs,
3262 translation == BIOS_ATA_TRANSLATION_LBA ?
3264 translation == BIOS_ATA_TRANSLATION_NONE ?
3265 ",trans=none" : "");
3266 drive_add(IF_DEFAULT, 0, optarg, buf);
3269 case QEMU_OPTION_hdb:
3270 case QEMU_OPTION_hdc:
3271 case QEMU_OPTION_hdd:
3272 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3275 case QEMU_OPTION_blockdev:
3278 BlockdevOptions_queue *bdo;
3280 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3282 error_report_err(err);
3286 bdo = g_new(BlockdevOptions_queue, 1);
3287 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3290 loc_save(&bdo->loc);
3291 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3294 case QEMU_OPTION_drive:
3295 if (drive_def(optarg) == NULL) {
3299 case QEMU_OPTION_set:
3300 if (qemu_set_option(optarg) != 0)
3303 case QEMU_OPTION_global:
3304 if (qemu_global_option(optarg) != 0)
3307 case QEMU_OPTION_mtdblock:
3308 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3310 case QEMU_OPTION_sd:
3311 drive_add(IF_SD, -1, optarg, SD_OPTS);
3313 case QEMU_OPTION_pflash:
3314 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3316 case QEMU_OPTION_snapshot:
3319 case QEMU_OPTION_hdachs:
3323 cyls = strtol(p, (char **)&p, 0);
3324 if (cyls < 1 || cyls > 16383)
3329 heads = strtol(p, (char **)&p, 0);
3330 if (heads < 1 || heads > 16)
3335 secs = strtol(p, (char **)&p, 0);
3336 if (secs < 1 || secs > 63)
3340 if (!strcmp(p, "large")) {
3341 translation = BIOS_ATA_TRANSLATION_LARGE;
3342 } else if (!strcmp(p, "rechs")) {
3343 translation = BIOS_ATA_TRANSLATION_RECHS;
3344 } else if (!strcmp(p, "none")) {
3345 translation = BIOS_ATA_TRANSLATION_NONE;
3346 } else if (!strcmp(p, "lba")) {
3347 translation = BIOS_ATA_TRANSLATION_LBA;
3348 } else if (!strcmp(p, "auto")) {
3349 translation = BIOS_ATA_TRANSLATION_AUTO;
3353 } else if (*p != '\0') {
3355 error_report("invalid physical CHS format");
3358 if (hda_opts != NULL) {
3359 qemu_opt_set_number(hda_opts, "cyls", cyls,
3361 qemu_opt_set_number(hda_opts, "heads", heads,
3363 qemu_opt_set_number(hda_opts, "secs", secs,
3365 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3366 qemu_opt_set(hda_opts, "trans", "large",
3368 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3369 qemu_opt_set(hda_opts, "trans", "rechs",
3371 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3372 qemu_opt_set(hda_opts, "trans", "lba",
3374 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3375 qemu_opt_set(hda_opts, "trans", "none",
3380 error_report("'-hdachs' is deprecated, please use '-device"
3381 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3383 case QEMU_OPTION_numa:
3384 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3390 case QEMU_OPTION_display:
3391 display_type = select_display(optarg);
3393 case QEMU_OPTION_nographic:
3394 olist = qemu_find_opts("machine");
3395 qemu_opts_parse_noisily(olist, "graphics=off", false);
3397 display_type = DT_NONE;
3399 case QEMU_OPTION_curses:
3400 #ifdef CONFIG_CURSES
3401 display_type = DT_CURSES;
3403 error_report("curses support is disabled");
3407 case QEMU_OPTION_portrait:
3408 graphic_rotate = 90;
3410 case QEMU_OPTION_rotate:
3411 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3412 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3413 graphic_rotate != 180 && graphic_rotate != 270) {
3414 error_report("only 90, 180, 270 deg rotation is available");
3418 case QEMU_OPTION_kernel:
3419 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3422 case QEMU_OPTION_initrd:
3423 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3426 case QEMU_OPTION_append:
3427 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3430 case QEMU_OPTION_dtb:
3431 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3434 case QEMU_OPTION_cdrom:
3435 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3437 case QEMU_OPTION_boot:
3438 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3444 case QEMU_OPTION_fda:
3445 case QEMU_OPTION_fdb:
3446 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3449 case QEMU_OPTION_no_fd_bootchk:
3452 case QEMU_OPTION_netdev:
3454 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3458 case QEMU_OPTION_net:
3460 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3464 #ifdef CONFIG_LIBISCSI
3465 case QEMU_OPTION_iscsi:
3466 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3474 case QEMU_OPTION_tftp:
3475 error_report("The -tftp option is deprecated. "
3476 "Please use '-netdev user,tftp=...' instead.");
3477 legacy_tftp_prefix = optarg;
3479 case QEMU_OPTION_bootp:
3480 error_report("The -bootp option is deprecated. "
3481 "Please use '-netdev user,bootfile=...' instead.");
3482 legacy_bootp_filename = optarg;
3484 case QEMU_OPTION_redir:
3485 error_report("The -redir option is deprecated. "
3486 "Please use '-netdev user,hostfwd=...' instead.");
3487 if (net_slirp_redir(optarg) < 0)
3491 case QEMU_OPTION_bt:
3492 add_device_config(DEV_BT, optarg);
3494 case QEMU_OPTION_audio_help:
3498 case QEMU_OPTION_soundhw:
3499 select_soundhw (optarg);
3504 case QEMU_OPTION_version:
3509 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3516 case QEMU_OPTION_tpmdev:
3517 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3522 case QEMU_OPTION_mempath:
3525 case QEMU_OPTION_mem_prealloc:
3534 case QEMU_OPTION_DFILTER:
3535 qemu_set_dfilter_ranges(optarg, &error_fatal);
3538 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3540 case QEMU_OPTION_gdb:
3541 add_device_config(DEV_GDB, optarg);
3544 if (is_help_option(optarg)) {
3545 list_data_dirs = true;
3547 qemu_add_data_dir(optarg);
3550 case QEMU_OPTION_bios:
3551 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3554 case QEMU_OPTION_singlestep:
3561 keyboard_layout = optarg;
3563 case QEMU_OPTION_localtime:
3566 case QEMU_OPTION_vga:
3575 w = strtol(p, (char **)&p, 10);
3578 error_report("invalid resolution or depth");
3584 h = strtol(p, (char **)&p, 10);
3589 depth = strtol(p, (char **)&p, 10);
3590 if (depth != 8 && depth != 15 && depth != 16 &&
3591 depth != 24 && depth != 32)
3593 } else if (*p == '\0') {
3594 depth = graphic_depth;
3601 graphic_depth = depth;
3604 case QEMU_OPTION_echr:
3607 term_escape_char = strtol(optarg, &r, 0);
3609 printf("Bad argument to echr\n");
3612 case QEMU_OPTION_monitor:
3613 default_monitor = 0;
3614 if (strncmp(optarg, "none", 4)) {
3615 monitor_parse(optarg, "readline", false);
3618 case QEMU_OPTION_qmp:
3619 monitor_parse(optarg, "control", false);
3620 default_monitor = 0;
3622 case QEMU_OPTION_qmp_pretty:
3623 monitor_parse(optarg, "control", true);
3624 default_monitor = 0;
3626 case QEMU_OPTION_mon:
3627 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3632 default_monitor = 0;
3634 case QEMU_OPTION_chardev:
3635 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3641 case QEMU_OPTION_fsdev:
3642 olist = qemu_find_opts("fsdev");
3644 error_report("fsdev support is disabled");
3647 opts = qemu_opts_parse_noisily(olist, optarg, true);
3652 case QEMU_OPTION_virtfs: {
3655 const char *writeout, *sock_fd, *socket, *path, *security_model;
3657 olist = qemu_find_opts("virtfs");
3659 error_report("virtfs support is disabled");
3662 opts = qemu_opts_parse_noisily(olist, optarg, true);
3667 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3668 qemu_opt_get(opts, "mount_tag") == NULL) {
3669 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3672 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3673 qemu_opts_id(opts) ?:
3674 qemu_opt_get(opts, "mount_tag"),
3677 error_report("duplicate or invalid fsdev id: %s",
3678 qemu_opt_get(opts, "mount_tag"));
3682 writeout = qemu_opt_get(opts, "writeout");
3684 #ifdef CONFIG_SYNC_FILE_RANGE
3685 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3687 error_report("writeout=immediate not supported "
3688 "on this platform");
3692 qemu_opt_set(fsdev, "fsdriver",
3693 qemu_opt_get(opts, "fsdriver"), &error_abort);
3694 path = qemu_opt_get(opts, "path");
3696 qemu_opt_set(fsdev, "path", path, &error_abort);
3698 security_model = qemu_opt_get(opts, "security_model");
3699 if (security_model) {
3700 qemu_opt_set(fsdev, "security_model", security_model,
3703 socket = qemu_opt_get(opts, "socket");
3705 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3707 sock_fd = qemu_opt_get(opts, "sock_fd");
3709 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3712 qemu_opt_set_bool(fsdev, "readonly",
3713 qemu_opt_get_bool(opts, "readonly", 0),
3715 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3717 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3718 qemu_opt_set(device, "fsdev",
3719 qemu_opts_id(fsdev), &error_abort);
3720 qemu_opt_set(device, "mount_tag",
3721 qemu_opt_get(opts, "mount_tag"), &error_abort);
3724 case QEMU_OPTION_virtfs_synth: {
3728 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3731 error_report("duplicate option: %s", "virtfs_synth");
3734 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3736 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3738 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3739 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3740 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3743 case QEMU_OPTION_serial:
3744 add_device_config(DEV_SERIAL, optarg);
3746 if (strncmp(optarg, "mon:", 4) == 0) {
3747 default_monitor = 0;
3750 case QEMU_OPTION_watchdog:
3752 error_report("only one watchdog option may be given");
3757 case QEMU_OPTION_watchdog_action:
3758 if (select_watchdog_action(optarg) == -1) {
3759 error_report("unknown -watchdog-action parameter");
3763 case QEMU_OPTION_virtiocon:
3764 add_device_config(DEV_VIRTCON, optarg);
3765 default_virtcon = 0;
3766 if (strncmp(optarg, "mon:", 4) == 0) {
3767 default_monitor = 0;
3770 case QEMU_OPTION_parallel:
3771 add_device_config(DEV_PARALLEL, optarg);
3772 default_parallel = 0;
3773 if (strncmp(optarg, "mon:", 4) == 0) {
3774 default_monitor = 0;
3777 case QEMU_OPTION_debugcon:
3778 add_device_config(DEV_DEBUGCON, optarg);
3780 case QEMU_OPTION_loadvm:
3783 case QEMU_OPTION_full_screen:
3786 case QEMU_OPTION_no_frame:
3789 case QEMU_OPTION_alt_grab:
3792 case QEMU_OPTION_ctrl_grab:
3795 case QEMU_OPTION_no_quit:
3798 case QEMU_OPTION_sdl:
3800 display_type = DT_SDL;
3803 error_report("SDL support is disabled");
3806 case QEMU_OPTION_pidfile:
3809 case QEMU_OPTION_win2k_hack:
3810 win2k_install_hack = 1;
3812 case QEMU_OPTION_rtc_td_hack: {
3813 static GlobalProperty slew_lost_ticks = {
3814 .driver = "mc146818rtc",
3815 .property = "lost_tick_policy",
3819 qdev_prop_register_global(&slew_lost_ticks);
3822 case QEMU_OPTION_acpitable:
3823 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3828 acpi_table_add(opts, &error_fatal);
3830 case QEMU_OPTION_smbios:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3836 smbios_entry_add(opts, &error_fatal);
3838 case QEMU_OPTION_fwcfg:
3839 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3845 case QEMU_OPTION_enable_kvm:
3846 olist = qemu_find_opts("machine");
3847 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3849 case QEMU_OPTION_enable_hax:
3850 olist = qemu_find_opts("machine");
3851 qemu_opts_parse_noisily(olist, "accel=hax", false);
3854 case QEMU_OPTION_machine:
3855 olist = qemu_find_opts("machine");
3856 opts = qemu_opts_parse_noisily(olist, optarg, true);
3861 case QEMU_OPTION_no_kvm:
3862 olist = qemu_find_opts("machine");
3863 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3865 case QEMU_OPTION_no_kvm_pit: {
3866 warn_report("ignoring deprecated option");
3869 case QEMU_OPTION_no_kvm_pit_reinjection: {
3870 static GlobalProperty kvm_pit_lost_tick_policy = {
3871 .driver = "kvm-pit",
3872 .property = "lost_tick_policy",
3876 warn_report("deprecated, replaced by "
3877 "-global kvm-pit.lost_tick_policy=discard");
3878 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3881 case QEMU_OPTION_accel:
3882 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3884 optarg = qemu_opt_get(accel_opts, "accel");
3885 if (!optarg || is_help_option(optarg)) {
3886 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3889 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3890 false, &error_abort);
3891 qemu_opt_set(opts, "accel", optarg, &error_abort);
3893 case QEMU_OPTION_usb:
3894 olist = qemu_find_opts("machine");
3895 qemu_opts_parse_noisily(olist, "usb=on", false);
3897 case QEMU_OPTION_usbdevice:
3898 error_report("'-usbdevice' is deprecated, please use "
3899 "'-device usb-...' instead");
3900 olist = qemu_find_opts("machine");
3901 qemu_opts_parse_noisily(olist, "usb=on", false);
3902 add_device_config(DEV_USB, optarg);
3904 case QEMU_OPTION_device:
3905 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3910 case QEMU_OPTION_smp:
3911 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3916 case QEMU_OPTION_vnc:
3917 vnc_parse(optarg, &error_fatal);
3919 case QEMU_OPTION_no_acpi:
3922 case QEMU_OPTION_no_hpet:
3925 case QEMU_OPTION_balloon:
3926 if (balloon_parse(optarg) < 0) {
3927 error_report("unknown -balloon argument %s", optarg);
3931 case QEMU_OPTION_no_reboot:
3934 case QEMU_OPTION_no_shutdown:
3937 case QEMU_OPTION_show_cursor:
3940 case QEMU_OPTION_uuid:
3941 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3942 error_report("failed to parse UUID string: wrong format");
3945 qemu_uuid_set = true;
3947 case QEMU_OPTION_option_rom:
3948 if (nb_option_roms >= MAX_OPTION_ROMS) {
3949 error_report("too many option ROMs");
3952 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3957 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3958 option_rom[nb_option_roms].bootindex =
3959 qemu_opt_get_number(opts, "bootindex", -1);
3960 if (!option_rom[nb_option_roms].name) {
3961 error_report("Option ROM file is not specified");
3966 case QEMU_OPTION_semihosting:
3967 semihosting.enabled = true;
3968 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3970 case QEMU_OPTION_semihosting_config:
3971 semihosting.enabled = true;
3972 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3975 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3977 const char *target = qemu_opt_get(opts, "target");
3978 if (target != NULL) {
3979 if (strcmp("native", target) == 0) {
3980 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3981 } else if (strcmp("gdb", target) == 0) {
3982 semihosting.target = SEMIHOSTING_TARGET_GDB;
3983 } else if (strcmp("auto", target) == 0) {
3984 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3986 error_report("unsupported semihosting-config %s",
3991 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3993 /* Set semihosting argument count and vector */
3994 qemu_opt_foreach(opts, add_semihosting_arg,
3995 &semihosting, NULL);
3997 error_report("unsupported semihosting-config %s", optarg);
4001 case QEMU_OPTION_tdf:
4002 warn_report("ignoring deprecated option");
4004 case QEMU_OPTION_name:
4005 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
4011 case QEMU_OPTION_prom_env:
4012 if (nb_prom_envs >= MAX_PROM_ENVS) {
4013 error_report("too many prom variables");
4016 prom_envs[nb_prom_envs] = optarg;
4019 case QEMU_OPTION_old_param:
4022 case QEMU_OPTION_clock:
4023 /* Clock options no longer exist. Keep this option for
4024 * backward compatibility.
4027 case QEMU_OPTION_startdate:
4028 configure_rtc_date_offset(optarg, 1);
4030 case QEMU_OPTION_rtc:
4031 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
4036 configure_rtc(opts);
4038 case QEMU_OPTION_tb_size:
4040 error_report("TCG is disabled");
4043 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
4044 error_report("Invalid argument to -tb-size");
4048 case QEMU_OPTION_icount:
4049 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
4055 case QEMU_OPTION_incoming:
4057 runstate_set(RUN_STATE_INMIGRATE);
4061 case QEMU_OPTION_only_migratable:
4063 * TODO: we can remove this option one day, and we
4066 * "-global migration.only-migratable=true"
4068 qemu_global_option("migration.only-migratable=true");
4070 case QEMU_OPTION_nodefaults:
4073 case QEMU_OPTION_xen_domid:
4074 if (!(xen_available())) {
4075 error_report("Option not supported for this target");
4078 xen_domid = atoi(optarg);
4080 case QEMU_OPTION_xen_create:
4081 if (!(xen_available())) {
4082 error_report("Option not supported for this target");
4085 xen_mode = XEN_CREATE;
4087 case QEMU_OPTION_xen_attach:
4088 if (!(xen_available())) {
4089 error_report("Option not supported for this target");
4092 xen_mode = XEN_ATTACH;
4094 case QEMU_OPTION_xen_domid_restrict:
4095 if (!(xen_available())) {
4096 error_report("Option not supported for this target");
4099 xen_domid_restrict = true;
4101 case QEMU_OPTION_trace:
4103 trace_file = trace_opt_parse(optarg);
4105 case QEMU_OPTION_readconfig:
4107 int ret = qemu_read_config_file(optarg);
4109 error_report("read config %s: %s", optarg,
4115 case QEMU_OPTION_spice:
4116 olist = qemu_find_opts("spice");
4118 error_report("spice support is disabled");
4121 opts = qemu_opts_parse_noisily(olist, optarg, false);
4127 case QEMU_OPTION_writeconfig:
4130 if (strcmp(optarg, "-") == 0) {
4133 fp = fopen(optarg, "w");
4135 error_report("open %s: %s", optarg,
4140 qemu_config_write(fp);
4146 case QEMU_OPTION_qtest:
4147 qtest_chrdev = optarg;
4149 case QEMU_OPTION_qtest_log:
4152 case QEMU_OPTION_sandbox:
4153 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4159 case QEMU_OPTION_add_fd:
4161 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4167 error_report("File descriptor passing is disabled on this "
4172 case QEMU_OPTION_object:
4173 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4179 case QEMU_OPTION_realtime:
4180 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4185 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4187 case QEMU_OPTION_msg:
4188 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4193 configure_msg(opts);
4195 case QEMU_OPTION_dump_vmstate:
4196 if (vmstate_dump_file) {
4197 error_report("only one '-dump-vmstate' "
4198 "option may be given");
4201 vmstate_dump_file = fopen(optarg, "w");
4202 if (vmstate_dump_file == NULL) {
4203 error_report("open %s: %s", optarg, strerror(errno));
4208 os_parse_cmd_args(popt->index, optarg);
4213 * Clear error location left behind by the loop.
4214 * Best done right after the loop. Do not insert code here!
4218 replay_configure(icount_opts);
4220 machine_class = select_machine();
4222 set_memory_options(&ram_slots, &maxram_size, machine_class);
4225 rcu_disable_atfork();
4227 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4228 error_report("could not acquire pid file: %s", strerror(errno));
4232 if (qemu_init_main_loop(&main_loop_err)) {
4233 error_report_err(main_loop_err);
4237 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4238 parse_sandbox, NULL, NULL)) {
4242 if (qemu_opts_foreach(qemu_find_opts("name"),
4243 parse_name, NULL, NULL)) {
4248 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4249 parse_add_fd, NULL, NULL)) {
4253 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4254 cleanup_add_fd, NULL, NULL)) {
4259 current_machine = MACHINE(object_new(object_class_get_name(
4260 OBJECT_CLASS(machine_class))));
4261 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4264 object_property_add_child(object_get_root(), "machine",
4265 OBJECT(current_machine), &error_abort);
4267 if (machine_class->minimum_page_bits) {
4268 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4269 /* This would be a board error: specifying a minimum smaller than
4270 * a target's compile-time fixed setting.
4272 g_assert_not_reached();
4276 cpu_exec_init_all();
4278 if (machine_class->hw_version) {
4279 qemu_set_hw_version(machine_class->hw_version);
4282 if (cpu_model && is_help_option(cpu_model)) {
4283 list_cpus(stdout, &fprintf, cpu_model);
4287 if (!trace_init_backends()) {
4290 trace_init_file(trace_file);
4292 /* Open the logfile at this point and set the log mask if necessary.
4295 qemu_set_log_filename(log_file, &error_fatal);
4300 mask = qemu_str_to_log_mask(log_mask);
4302 qemu_print_log_usage(stdout);
4310 /* add configured firmware directories */
4311 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4312 for (i = 0; dirs[i] != NULL; i++) {
4313 qemu_add_data_dir(dirs[i]);
4316 /* try to find datadir relative to the executable path */
4317 qemu_add_data_dir(os_find_datadir());
4319 /* add the datadir specified when building */
4320 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4322 /* -L help lists the data directories and exits. */
4323 if (list_data_dirs) {
4324 for (i = 0; i < data_dir_idx; i++) {
4325 printf("%s\n", data_dir[i]);
4330 /* machine_class: default to UP */
4331 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4332 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4333 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4335 /* default to machine_class->default_cpus */
4336 smp_cpus = machine_class->default_cpus;
4337 max_cpus = machine_class->default_cpus;
4339 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4341 /* sanity-check smp_cpus and max_cpus against machine_class */
4342 if (smp_cpus < machine_class->min_cpus) {
4343 error_report("Invalid SMP CPUs %d. The min CPUs "
4344 "supported by machine '%s' is %d", smp_cpus,
4345 machine_class->name, machine_class->min_cpus);
4348 if (max_cpus > machine_class->max_cpus) {
4349 error_report("Invalid SMP CPUs %d. The max CPUs "
4350 "supported by machine '%s' is %d", max_cpus,
4351 machine_class->name, machine_class->max_cpus);
4356 * Get the default machine options from the machine if it is not already
4357 * specified either by the configuration file or by the command line.
4359 if (machine_class->default_machine_opts) {
4360 qemu_opts_set_defaults(qemu_find_opts("machine"),
4361 machine_class->default_machine_opts, 0);
4364 qemu_opts_foreach(qemu_find_opts("device"),
4365 default_driver_check, NULL, NULL);
4366 qemu_opts_foreach(qemu_find_opts("global"),
4367 default_driver_check, NULL, NULL);
4369 if (!vga_model && !default_vga) {
4370 vga_interface_type = VGA_DEVICE;
4372 if (!has_defaults || machine_class->no_serial) {
4375 if (!has_defaults || machine_class->no_parallel) {
4376 default_parallel = 0;
4378 if (!has_defaults || !machine_class->use_virtcon) {
4379 default_virtcon = 0;
4381 if (!has_defaults || !machine_class->use_sclp) {
4384 if (!has_defaults || machine_class->no_floppy) {
4387 if (!has_defaults || machine_class->no_cdrom) {
4390 if (!has_defaults || machine_class->no_sdcard) {
4393 if (!has_defaults) {
4394 default_monitor = 0;
4399 if (is_daemonized()) {
4400 /* According to documentation and historically, -nographic redirects
4401 * serial port, parallel port and monitor to stdio, which does not work
4402 * with -daemonize. We can redirect these to null instead, but since
4403 * -nographic is legacy, let's just error out.
4404 * We disallow -nographic only if all other ports are not redirected
4405 * explicitly, to not break existing legacy setups which uses
4406 * -nographic _and_ redirects all ports explicitly - this is valid
4407 * usage, -nographic is just a no-op in this case.
4410 && (default_parallel || default_serial
4411 || default_monitor || default_virtcon)) {
4412 error_report("-nographic cannot be used with -daemonize");
4415 #ifdef CONFIG_CURSES
4416 if (display_type == DT_CURSES) {
4417 error_report("curses display cannot be used with -daemonize");
4424 if (default_parallel)
4425 add_device_config(DEV_PARALLEL, "null");
4426 if (default_serial && default_monitor) {
4427 add_device_config(DEV_SERIAL, "mon:stdio");
4428 } else if (default_virtcon && default_monitor) {
4429 add_device_config(DEV_VIRTCON, "mon:stdio");
4430 } else if (default_sclp && default_monitor) {
4431 add_device_config(DEV_SCLP, "mon:stdio");
4434 add_device_config(DEV_SERIAL, "stdio");
4435 if (default_virtcon)
4436 add_device_config(DEV_VIRTCON, "stdio");
4438 add_device_config(DEV_SCLP, "stdio");
4440 if (default_monitor)
4441 monitor_parse("stdio", "readline", false);
4445 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4446 if (default_parallel)
4447 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4448 if (default_monitor)
4449 monitor_parse("vc:80Cx24C", "readline", false);
4450 if (default_virtcon)
4451 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4453 add_device_config(DEV_SCLP, "vc:80Cx24C");
4457 #if defined(CONFIG_VNC)
4458 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4462 if (display_type == DT_DEFAULT && !display_remote) {
4463 #if defined(CONFIG_GTK)
4464 display_type = DT_GTK;
4465 #elif defined(CONFIG_SDL)
4466 display_type = DT_SDL;
4467 #elif defined(CONFIG_COCOA)
4468 display_type = DT_COCOA;
4469 #elif defined(CONFIG_VNC)
4470 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4472 display_type = DT_NONE;
4476 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4477 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4478 "for SDL, ignoring option");
4480 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4481 error_report("-no-quit is only valid for GTK and SDL, "
4485 if (display_type == DT_GTK) {
4486 early_gtk_display_init(request_opengl);
4489 if (display_type == DT_SDL) {
4490 sdl_display_early_init(request_opengl);
4493 qemu_console_early_init();
4495 if (request_opengl == 1 && display_opengl == 0) {
4496 #if defined(CONFIG_OPENGL)
4497 error_report("OpenGL is not supported by the display");
4499 error_report("OpenGL support is disabled");
4507 if (qemu_opts_foreach(qemu_find_opts("object"),
4508 user_creatable_add_opts_foreach,
4509 object_create_initial, NULL)) {
4513 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4514 chardev_init_func, NULL, NULL)) {
4518 #ifdef CONFIG_VIRTFS
4519 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4520 fsdev_init_func, NULL, NULL)) {
4525 if (qemu_opts_foreach(qemu_find_opts("device"),
4526 device_help_func, NULL, NULL)) {
4530 machine_opts = qemu_get_machine_opts();
4531 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4533 object_unref(OBJECT(current_machine));
4537 configure_accelerator(current_machine);
4540 * Register all the global properties, including accel properties,
4541 * machine properties, and user-specified ones.
4543 register_global_properties(current_machine);
4546 * Migration object can only be created after global properties
4547 * are applied correctly.
4549 migration_object_init();
4552 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4555 machine_opts = qemu_get_machine_opts();
4556 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4557 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4558 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4559 bios_name = qemu_opt_get(machine_opts, "firmware");
4561 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4563 boot_order = qemu_opt_get(opts, "order");
4565 validate_bootdevices(boot_order, &error_fatal);
4568 boot_once = qemu_opt_get(opts, "once");
4570 validate_bootdevices(boot_once, &error_fatal);
4573 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4574 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4578 boot_order = machine_class->default_boot_order;
4581 if (!kernel_cmdline) {
4582 kernel_cmdline = "";
4583 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4586 linux_boot = (kernel_filename != NULL);
4588 if (!linux_boot && *kernel_cmdline != '\0') {
4589 error_report("-append only allowed with -kernel option");
4593 if (!linux_boot && initrd_filename != NULL) {
4594 error_report("-initrd only allowed with -kernel option");
4598 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4599 /* fall back to the -kernel/-append */
4600 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4603 os_set_line_buffering();
4605 /* spice needs the timers to be initialized by this point */
4610 if (!tcg_enabled()) {
4611 error_report("-icount is not allowed with hardware virtualization");
4614 configure_icount(icount_opts, &error_abort);
4615 qemu_opts_del(icount_opts);
4618 if (tcg_enabled()) {
4619 qemu_tcg_configure(accel_opts, &error_fatal);
4623 QemuOptsList *net = qemu_find_opts("net");
4624 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4626 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4632 if (net_init_clients() < 0) {
4636 if (qemu_opts_foreach(qemu_find_opts("object"),
4637 user_creatable_add_opts_foreach,
4638 object_create_delayed, NULL)) {
4642 if (tpm_init() < 0) {
4646 /* init the bluetooth world */
4647 if (foreach_device_config(DEV_BT, bt_parse))
4650 if (!xen_enabled()) {
4651 /* On 32-bit hosts, QEMU is limited by virtual address space */
4652 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4653 error_report("at most 2047 MB RAM can be simulated");
4661 /* If the currently selected machine wishes to override the units-per-bus
4662 * property of its default HBA interface type, do so now. */
4663 if (machine_class->units_per_default_bus) {
4664 override_max_devs(machine_class->block_default_type,
4665 machine_class->units_per_default_bus);
4668 /* open the virtual block devices */
4669 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4670 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4672 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4673 loc_push_restore(&bdo->loc);
4674 qmp_blockdev_add(bdo->bdo, &error_fatal);
4676 qapi_free_BlockdevOptions(bdo->bdo);
4679 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4680 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4683 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4684 &machine_class->block_default_type, NULL)) {
4688 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4690 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4691 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4693 parse_numa_opts(current_machine);
4695 if (qemu_opts_foreach(qemu_find_opts("mon"),
4696 mon_init_func, NULL, NULL)) {
4700 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4702 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4704 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4706 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4709 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4712 /* If no default VGA is requested, the default is "none". */
4714 if (machine_class->default_display) {
4715 vga_model = machine_class->default_display;
4716 } else if (vga_interface_available(VGA_CIRRUS)) {
4717 vga_model = "cirrus";
4718 } else if (vga_interface_available(VGA_STD)) {
4723 select_vgahw(vga_model);
4727 i = select_watchdog(watchdog);
4729 exit (i == 1 ? 1 : 0);
4732 /* This checkpoint is required by replay to separate prior clock
4733 reading from the other reads, because timer polling functions query
4734 clock values from the log. */
4735 replay_checkpoint(CHECKPOINT_INIT);
4736 qdev_machine_init();
4738 current_machine->ram_size = ram_size;
4739 current_machine->maxram_size = maxram_size;
4740 current_machine->ram_slots = ram_slots;
4741 current_machine->boot_order = boot_order;
4742 current_machine->cpu_model = cpu_model;
4745 /* parse features once if machine provides default cpu_type */
4746 if (machine_class->default_cpu_type) {
4747 current_machine->cpu_type = machine_class->default_cpu_type;
4749 current_machine->cpu_type =
4750 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4754 machine_run_board_init(current_machine);
4760 if (hax_enabled()) {
4764 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4765 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4769 /* init USB devices */
4770 if (machine_usb(current_machine)) {
4771 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4775 /* Check if IGD GFX passthrough. */
4778 /* init generic devices */
4779 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4780 if (qemu_opts_foreach(qemu_find_opts("device"),
4781 device_init_func, NULL, NULL)) {
4785 cpu_synchronize_all_post_init();
4787 rom_reset_order_override();
4790 * Create frontends for -drive if=scsi leftovers.
4791 * Normally, frontends for -drive get created by machine
4792 * initialization for onboard SCSI HBAs. However, we create a few
4793 * more ever since SCSI qdevification, but this is pretty much an
4794 * implementation accident, and deprecated.
4796 scsi_legacy_handle_cmdline();
4798 /* Did we create any drives that we failed to create a device for? */
4799 drive_check_orphaned();
4801 /* Don't warn about the default network setup that you get if
4802 * no command line -net or -netdev options are specified. There
4803 * are two cases that we would otherwise complain about:
4804 * (1) board doesn't support a NIC but the implicit "-net nic"
4806 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4807 * sets up a nic that isn't connected to anything.
4810 net_check_clients();
4815 qemu_boot_set(boot_once, &error_fatal);
4816 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4819 ds = init_displaystate();
4821 /* init local displays */
4822 switch (display_type) {
4824 curses_display_init(ds, full_screen);
4827 sdl_display_init(ds, full_screen, no_frame);
4830 cocoa_display_init(ds, full_screen);
4833 gtk_display_init(ds, full_screen, grab_on_hover);
4839 /* must be after terminal init, SDL library changes signal handlers */
4840 os_setup_signal_handling();
4842 /* init remote displays */
4844 qemu_opts_foreach(qemu_find_opts("vnc"),
4845 vnc_init_func, NULL, NULL);
4849 qemu_spice_display_init();
4852 #ifdef CONFIG_OPENGL_DMABUF
4853 if (display_type == DT_EGL) {
4854 egl_headless_init();
4858 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4862 qdev_machine_creation_done();
4864 /* TODO: once all bus devices are qdevified, this should be done
4865 * when bus is created by qdev.c */
4866 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4867 qemu_run_machine_init_done_notifiers();
4869 if (rom_check_and_register_reset() != 0) {
4870 error_report("rom check and register reset failed");
4876 /* This checkpoint is required by replay to separate prior clock
4877 reading from the other reads, because timer polling functions query
4878 clock values from the log. */
4879 replay_checkpoint(CHECKPOINT_RESET);
4880 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4881 register_global_state();
4882 if (replay_mode != REPLAY_MODE_NONE) {
4883 replay_vmstate_init();
4884 } else if (loadvm) {
4885 Error *local_err = NULL;
4886 if (load_snapshot(loadvm, &local_err) < 0) {
4887 error_report_err(local_err);
4892 qdev_prop_check_globals();
4893 if (vmstate_dump_file) {
4895 dump_vmstate_json_to_file(vmstate_dump_file);
4900 Error *local_err = NULL;
4901 qemu_start_incoming_migration(incoming, &local_err);
4903 error_reportf_err(local_err, "-incoming %s: ", incoming);
4906 } else if (autostart) {
4913 replay_disable_events();
4914 iothread_stop_all();
4920 /* vhost-user must be cleaned up before chardevs. */
4926 user_creatable_cleanup();
4927 /* TODO: unref root container, check all devices are ok */