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;
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 inline bool nonempty_str(const char *str)
2356 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2360 const char *name, *file, *str;
2361 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2363 if (fw_cfg == NULL) {
2364 error_report("fw_cfg device not available");
2367 name = qemu_opt_get(opts, "name");
2368 file = qemu_opt_get(opts, "file");
2369 str = qemu_opt_get(opts, "string");
2371 /* we need name and either a file or the content string */
2372 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2373 error_report("invalid argument(s)");
2376 if (nonempty_str(file) && nonempty_str(str)) {
2377 error_report("file and string are mutually exclusive");
2380 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2381 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2384 if (strncmp(name, "opt/", 4) != 0) {
2385 warn_report("externally provided fw_cfg item names "
2386 "should be prefixed with \"opt/\"");
2388 if (nonempty_str(str)) {
2389 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2390 buf = g_memdup(str, size);
2392 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2393 error_report("can't load %s", file);
2397 /* For legacy, keep user files in a specific global order. */
2398 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2399 fw_cfg_add_file(fw_cfg, name, buf, size);
2400 fw_cfg_reset_order_override(fw_cfg);
2404 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2406 return qdev_device_help(opts);
2409 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2414 dev = qdev_device_add(opts, &err);
2416 error_report_err(err);
2419 object_unref(OBJECT(dev));
2423 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2425 Error *local_err = NULL;
2427 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2429 error_report_err(local_err);
2437 #ifdef CONFIG_VIRTFS
2438 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2440 return qemu_fsdev_add(opts);
2444 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2447 const char *chardev;
2451 mode = qemu_opt_get(opts, "mode");
2455 if (strcmp(mode, "readline") == 0) {
2456 flags = MONITOR_USE_READLINE;
2457 } else if (strcmp(mode, "control") == 0) {
2458 flags = MONITOR_USE_CONTROL;
2460 error_report("unknown monitor mode \"%s\"", mode);
2464 if (qemu_opt_get_bool(opts, "pretty", 0))
2465 flags |= MONITOR_USE_PRETTY;
2467 if (qemu_opt_get_bool(opts, "default", 0)) {
2468 error_report("option 'default' does nothing and is deprecated");
2471 chardev = qemu_opt_get(opts, "chardev");
2472 chr = qemu_chr_find(chardev);
2474 error_report("chardev \"%s\" not found", chardev);
2478 monitor_init(chr, flags);
2482 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2484 static int monitor_device_index = 0;
2489 if (strstart(optarg, "chardev:", &p)) {
2490 snprintf(label, sizeof(label), "%s", p);
2492 snprintf(label, sizeof(label), "compat_monitor%d",
2493 monitor_device_index);
2494 opts = qemu_chr_parse_compat(label, optarg);
2496 error_report("parse error: %s", optarg);
2501 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2502 qemu_opt_set(opts, "mode", mode, &error_abort);
2503 qemu_opt_set(opts, "chardev", label, &error_abort);
2504 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2505 monitor_device_index++;
2508 struct device_config {
2510 DEV_USB, /* -usbdevice */
2512 DEV_SERIAL, /* -serial */
2513 DEV_PARALLEL, /* -parallel */
2514 DEV_VIRTCON, /* -virtioconsole */
2515 DEV_DEBUGCON, /* -debugcon */
2516 DEV_GDB, /* -gdb, -s */
2517 DEV_SCLP, /* s390 sclp */
2519 const char *cmdline;
2521 QTAILQ_ENTRY(device_config) next;
2524 static QTAILQ_HEAD(, device_config) device_configs =
2525 QTAILQ_HEAD_INITIALIZER(device_configs);
2527 static void add_device_config(int type, const char *cmdline)
2529 struct device_config *conf;
2531 conf = g_malloc0(sizeof(*conf));
2533 conf->cmdline = cmdline;
2534 loc_save(&conf->loc);
2535 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2538 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2540 struct device_config *conf;
2543 QTAILQ_FOREACH(conf, &device_configs, next) {
2544 if (conf->type != type)
2546 loc_push_restore(&conf->loc);
2547 rc = func(conf->cmdline);
2548 loc_pop(&conf->loc);
2556 static int serial_parse(const char *devname)
2558 static int index = 0;
2561 if (strcmp(devname, "none") == 0)
2563 if (index == MAX_SERIAL_PORTS) {
2564 error_report("too many serial ports");
2567 snprintf(label, sizeof(label), "serial%d", index);
2568 serial_hds[index] = qemu_chr_new(label, devname);
2569 if (!serial_hds[index]) {
2570 error_report("could not connect serial device"
2571 " to character backend '%s'", devname);
2578 static int parallel_parse(const char *devname)
2580 static int index = 0;
2583 if (strcmp(devname, "none") == 0)
2585 if (index == MAX_PARALLEL_PORTS) {
2586 error_report("too many parallel ports");
2589 snprintf(label, sizeof(label), "parallel%d", index);
2590 parallel_hds[index] = qemu_chr_new(label, devname);
2591 if (!parallel_hds[index]) {
2592 error_report("could not connect parallel device"
2593 " to character backend '%s'", devname);
2600 static int virtcon_parse(const char *devname)
2602 QemuOptsList *device = qemu_find_opts("device");
2603 static int index = 0;
2605 QemuOpts *bus_opts, *dev_opts;
2607 if (strcmp(devname, "none") == 0)
2609 if (index == MAX_VIRTIO_CONSOLES) {
2610 error_report("too many virtio consoles");
2614 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2615 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2617 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2618 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2620 snprintf(label, sizeof(label), "virtcon%d", index);
2621 virtcon_hds[index] = qemu_chr_new(label, devname);
2622 if (!virtcon_hds[index]) {
2623 error_report("could not connect virtio console"
2624 " to character backend '%s'", devname);
2627 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2633 static int sclp_parse(const char *devname)
2635 QemuOptsList *device = qemu_find_opts("device");
2636 static int index = 0;
2640 if (strcmp(devname, "none") == 0) {
2643 if (index == MAX_SCLP_CONSOLES) {
2644 error_report("too many sclp consoles");
2648 assert(arch_type == QEMU_ARCH_S390X);
2650 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2651 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2653 snprintf(label, sizeof(label), "sclpcon%d", index);
2654 sclp_hds[index] = qemu_chr_new(label, devname);
2655 if (!sclp_hds[index]) {
2656 error_report("could not connect sclp console"
2657 " to character backend '%s'", devname);
2660 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2666 static int debugcon_parse(const char *devname)
2670 if (!qemu_chr_new("debugcon", devname)) {
2673 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2675 error_report("already have a debugcon device");
2678 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2679 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2683 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2685 const MachineClass *mc1 = a, *mc2 = b;
2688 if (mc1->family == NULL) {
2689 if (mc2->family == NULL) {
2690 /* Compare standalone machine types against each other; they sort
2691 * in increasing order.
2693 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2694 object_class_get_name(OBJECT_CLASS(mc2)));
2697 /* Standalone machine types sort after families. */
2701 if (mc2->family == NULL) {
2702 /* Families sort before standalone machine types. */
2706 /* Families sort between each other alphabetically increasingly. */
2707 res = strcmp(mc1->family, mc2->family);
2712 /* Within the same family, machine types sort in decreasing order. */
2713 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2714 object_class_get_name(OBJECT_CLASS(mc1)));
2717 static MachineClass *machine_parse(const char *name)
2719 MachineClass *mc = NULL;
2720 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2723 mc = find_machine(name);
2726 g_slist_free(machines);
2729 if (name && !is_help_option(name)) {
2730 error_report("unsupported machine type");
2731 error_printf("Use -machine help to list supported machines\n");
2733 printf("Supported machines are:\n");
2734 machines = g_slist_sort(machines, machine_class_cmp);
2735 for (el = machines; el; el = el->next) {
2736 MachineClass *mc = el->data;
2738 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2740 printf("%-20s %s%s\n", mc->name, mc->desc,
2741 mc->is_default ? " (default)" : "");
2745 g_slist_free(machines);
2746 exit(!name || !is_help_option(name));
2749 void qemu_add_exit_notifier(Notifier *notify)
2751 notifier_list_add(&exit_notifiers, notify);
2754 void qemu_remove_exit_notifier(Notifier *notify)
2756 notifier_remove(notify);
2759 static void qemu_run_exit_notifiers(void)
2761 notifier_list_notify(&exit_notifiers, NULL);
2764 static bool machine_init_done;
2766 void qemu_add_machine_init_done_notifier(Notifier *notify)
2768 notifier_list_add(&machine_init_done_notifiers, notify);
2769 if (machine_init_done) {
2770 notify->notify(notify, NULL);
2774 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2776 notifier_remove(notify);
2779 static void qemu_run_machine_init_done_notifiers(void)
2781 notifier_list_notify(&machine_init_done_notifiers, NULL);
2782 machine_init_done = true;
2785 static const QEMUOption *lookup_opt(int argc, char **argv,
2786 const char **poptarg, int *poptind)
2788 const QEMUOption *popt;
2789 int optind = *poptind;
2790 char *r = argv[optind];
2793 loc_set_cmdline(argv, optind, 1);
2795 /* Treat --foo the same as -foo. */
2798 popt = qemu_options;
2801 error_report("invalid option");
2804 if (!strcmp(popt->name, r + 1))
2808 if (popt->flags & HAS_ARG) {
2809 if (optind >= argc) {
2810 error_report("requires an argument");
2813 optarg = argv[optind++];
2814 loc_set_cmdline(argv, optind - 2, 2);
2825 static MachineClass *select_machine(void)
2827 MachineClass *machine_class = find_default_machine();
2832 loc_push_none(&loc);
2834 opts = qemu_get_machine_opts();
2835 qemu_opts_loc_restore(opts);
2837 optarg = qemu_opt_get(opts, "type");
2839 machine_class = machine_parse(optarg);
2842 if (!machine_class) {
2843 error_report("No machine specified, and there is no default");
2844 error_printf("Use -machine help to list supported machines\n");
2849 return machine_class;
2852 static int machine_set_property(void *opaque,
2853 const char *name, const char *value,
2856 Object *obj = OBJECT(opaque);
2857 Error *local_err = NULL;
2860 if (strcmp(name, "type") == 0) {
2864 qom_name = g_strdup(name);
2865 for (p = qom_name; *p; p++) {
2871 object_property_parse(obj, value, qom_name, &local_err);
2875 error_report_err(local_err);
2884 * Initial object creation happens before all other
2885 * QEMU data types are created. The majority of objects
2886 * can be created at this point. The rng-egd object
2887 * cannot be created here, as it depends on the chardev
2890 static bool object_create_initial(const char *type)
2892 if (g_str_equal(type, "rng-egd") ||
2893 g_str_has_prefix(type, "pr-manager-")) {
2898 * return false for concrete netfilters since
2899 * they depend on netdevs already existing
2901 if (g_str_equal(type, "filter-buffer") ||
2902 g_str_equal(type, "filter-dump") ||
2903 g_str_equal(type, "filter-mirror") ||
2904 g_str_equal(type, "filter-redirector") ||
2905 g_str_equal(type, "colo-compare") ||
2906 g_str_equal(type, "filter-rewriter") ||
2907 g_str_equal(type, "filter-replay")) {
2911 /* Memory allocation by backends needs to be done
2912 * after configure_accelerator() (due to the tcg_enabled()
2913 * checks at memory_region_init_*()).
2915 * Also, allocation of large amounts of memory may delay
2916 * chardev initialization for too long, and trigger timeouts
2917 * on software that waits for a monitor socket to be created
2920 if (g_str_has_prefix(type, "memory-backend-")) {
2929 * The remainder of object creation happens after the
2930 * creation of chardev, fsdev, net clients and device data types.
2932 static bool object_create_delayed(const char *type)
2934 return !object_create_initial(type);
2938 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2942 const char *mem_str;
2943 const char *maxmem_str, *slots_str;
2944 const ram_addr_t default_ram_size = mc->default_ram_size;
2945 QemuOpts *opts = qemu_find_opts_singleton("memory");
2948 loc_push_none(&loc);
2949 qemu_opts_loc_restore(opts);
2952 mem_str = qemu_opt_get(opts, "size");
2955 error_report("missing 'size' option value");
2959 sz = qemu_opt_get_size(opts, "size", ram_size);
2961 /* Fix up legacy suffix-less format */
2962 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2963 uint64_t overflow_check = sz;
2966 if ((sz >> 20) != overflow_check) {
2967 error_report("too large 'size' option value");
2973 /* backward compatibility behaviour for case "-m 0" */
2975 sz = default_ram_size;
2978 sz = QEMU_ALIGN_UP(sz, 8192);
2980 if (ram_size != sz) {
2981 error_report("ram size too large");
2985 /* store value for the future use */
2986 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2987 *maxram_size = ram_size;
2989 maxmem_str = qemu_opt_get(opts, "maxmem");
2990 slots_str = qemu_opt_get(opts, "slots");
2991 if (maxmem_str && slots_str) {
2994 sz = qemu_opt_get_size(opts, "maxmem", 0);
2995 slots = qemu_opt_get_number(opts, "slots", 0);
2996 if (sz < ram_size) {
2997 error_report("invalid value of -m option maxmem: "
2998 "maximum memory size (0x%" PRIx64 ") must be at least "
2999 "the initial memory size (0x" RAM_ADDR_FMT ")",
3002 } else if (sz > ram_size) {
3004 error_report("invalid value of -m option: maxmem was "
3005 "specified, but no hotplug slots were specified");
3009 error_report("invalid value of -m option maxmem: "
3010 "memory slots were specified but maximum memory size "
3011 "(0x%" PRIx64 ") is equal to the initial memory size "
3012 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3018 } else if ((!maxmem_str && slots_str) ||
3019 (maxmem_str && !slots_str)) {
3020 error_report("invalid -m option value: missing "
3021 "'%s' option", slots_str ? "maxmem" : "slots");
3028 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
3032 g = g_malloc0(sizeof(*g));
3033 g->driver = qemu_opt_get(opts, "driver");
3034 g->property = qemu_opt_get(opts, "property");
3035 g->value = qemu_opt_get(opts, "value");
3036 g->user_provided = true;
3037 g->errp = &error_fatal;
3038 qdev_prop_register_global(g);
3042 static int qemu_read_default_config_file(void)
3046 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3047 if (ret < 0 && ret != -ENOENT) {
3054 static void user_register_global_props(void)
3056 qemu_opts_foreach(qemu_find_opts("global"),
3057 global_init_func, NULL, NULL);
3061 * Note: we should see that these properties are actually having a
3062 * priority: accel < machine < user. This means e.g. when user
3063 * specifies something in "-global", it'll always be used with highest
3064 * priority than either machine/accelerator compat properties.
3066 static void register_global_properties(MachineState *ms)
3068 accel_register_compat_props(ms->accelerator);
3069 machine_register_compat_props(ms);
3070 user_register_global_props();
3073 int main(int argc, char **argv, char **envp)
3076 int snapshot, linux_boot;
3077 const char *initrd_filename;
3078 const char *kernel_filename, *kernel_cmdline;
3079 const char *boot_order = NULL;
3080 const char *boot_once = NULL;
3082 int cyls, heads, secs, translation;
3083 QemuOpts *opts, *machine_opts;
3084 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3085 QemuOptsList *olist;
3088 const char *loadvm = NULL;
3089 MachineClass *machine_class;
3090 const char *cpu_model;
3091 const char *vga_model = NULL;
3092 const char *qtest_chrdev = NULL;
3093 const char *qtest_log = NULL;
3094 const char *pid_file = NULL;
3095 const char *incoming = NULL;
3096 bool defconfig = true;
3097 bool userconfig = true;
3098 bool nographic = false;
3099 DisplayType display_type = DT_DEFAULT;
3100 int display_remote = 0;
3101 const char *log_mask = NULL;
3102 const char *log_file = NULL;
3103 char *trace_file = NULL;
3104 ram_addr_t maxram_size;
3105 uint64_t ram_slots = 0;
3106 FILE *vmstate_dump_file = NULL;
3107 Error *main_loop_err = NULL;
3109 bool list_data_dirs = false;
3110 typedef struct BlockdevOptions_queue {
3111 BlockdevOptions *bdo;
3113 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3114 } BlockdevOptions_queue;
3115 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3116 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3118 module_call_init(MODULE_INIT_TRACE);
3120 qemu_init_cpu_list();
3121 qemu_init_cpu_loop();
3122 qemu_mutex_lock_iothread();
3124 atexit(qemu_run_exit_notifiers);
3125 error_set_progname(argv[0]);
3126 qemu_init_exec_dir(argv[0]);
3128 module_call_init(MODULE_INIT_QOM);
3129 monitor_init_qmp_commands();
3131 qemu_add_opts(&qemu_drive_opts);
3132 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3133 qemu_add_drive_opts(&qemu_common_drive_opts);
3134 qemu_add_drive_opts(&qemu_drive_opts);
3135 qemu_add_drive_opts(&bdrv_runtime_opts);
3136 qemu_add_opts(&qemu_chardev_opts);
3137 qemu_add_opts(&qemu_device_opts);
3138 qemu_add_opts(&qemu_netdev_opts);
3139 qemu_add_opts(&qemu_net_opts);
3140 qemu_add_opts(&qemu_rtc_opts);
3141 qemu_add_opts(&qemu_global_opts);
3142 qemu_add_opts(&qemu_mon_opts);
3143 qemu_add_opts(&qemu_trace_opts);
3144 qemu_add_opts(&qemu_option_rom_opts);
3145 qemu_add_opts(&qemu_machine_opts);
3146 qemu_add_opts(&qemu_accel_opts);
3147 qemu_add_opts(&qemu_mem_opts);
3148 qemu_add_opts(&qemu_smp_opts);
3149 qemu_add_opts(&qemu_boot_opts);
3150 qemu_add_opts(&qemu_sandbox_opts);
3151 qemu_add_opts(&qemu_add_fd_opts);
3152 qemu_add_opts(&qemu_object_opts);
3153 qemu_add_opts(&qemu_tpmdev_opts);
3154 qemu_add_opts(&qemu_realtime_opts);
3155 qemu_add_opts(&qemu_msg_opts);
3156 qemu_add_opts(&qemu_name_opts);
3157 qemu_add_opts(&qemu_numa_opts);
3158 qemu_add_opts(&qemu_icount_opts);
3159 qemu_add_opts(&qemu_semihosting_config_opts);
3160 qemu_add_opts(&qemu_fw_cfg_opts);
3161 module_call_init(MODULE_INIT_OPTS);
3165 if (qcrypto_init(&err) < 0) {
3166 error_reportf_err(err, "cannot initialize crypto: ");
3169 rtc_clock = QEMU_CLOCK_HOST;
3171 QLIST_INIT (&vm_change_state_head);
3172 os_setup_early_signal_handling();
3176 cyls = heads = secs = 0;
3177 translation = BIOS_ATA_TRANSLATION_AUTO;
3181 bdrv_init_with_whitelist();
3185 /* first pass of option parsing */
3187 while (optind < argc) {
3188 if (argv[optind][0] != '-') {
3192 const QEMUOption *popt;
3194 popt = lookup_opt(argc, argv, &optarg, &optind);
3195 switch (popt->index) {
3196 case QEMU_OPTION_nodefconfig:
3199 case QEMU_OPTION_nouserconfig:
3206 if (defconfig && userconfig) {
3207 if (qemu_read_default_config_file() < 0) {
3212 /* second pass of option parsing */
3217 if (argv[optind][0] != '-') {
3218 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3220 const QEMUOption *popt;
3222 popt = lookup_opt(argc, argv, &optarg, &optind);
3223 if (!(popt->arch_mask & arch_type)) {
3224 error_report("Option not supported for this target");
3227 switch(popt->index) {
3228 case QEMU_OPTION_no_kvm_irqchip: {
3229 olist = qemu_find_opts("machine");
3230 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3233 case QEMU_OPTION_cpu:
3234 /* hw initialization will check this */
3237 case QEMU_OPTION_hda:
3241 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3243 snprintf(buf, sizeof(buf),
3244 "%s,cyls=%d,heads=%d,secs=%d%s",
3245 HD_OPTS , cyls, heads, secs,
3246 translation == BIOS_ATA_TRANSLATION_LBA ?
3248 translation == BIOS_ATA_TRANSLATION_NONE ?
3249 ",trans=none" : "");
3250 drive_add(IF_DEFAULT, 0, optarg, buf);
3253 case QEMU_OPTION_hdb:
3254 case QEMU_OPTION_hdc:
3255 case QEMU_OPTION_hdd:
3256 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3259 case QEMU_OPTION_blockdev:
3262 BlockdevOptions_queue *bdo;
3264 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3266 error_report_err(err);
3270 bdo = g_new(BlockdevOptions_queue, 1);
3271 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3274 loc_save(&bdo->loc);
3275 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3278 case QEMU_OPTION_drive:
3279 if (drive_def(optarg) == NULL) {
3283 case QEMU_OPTION_set:
3284 if (qemu_set_option(optarg) != 0)
3287 case QEMU_OPTION_global:
3288 if (qemu_global_option(optarg) != 0)
3291 case QEMU_OPTION_mtdblock:
3292 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3294 case QEMU_OPTION_sd:
3295 drive_add(IF_SD, -1, optarg, SD_OPTS);
3297 case QEMU_OPTION_pflash:
3298 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3300 case QEMU_OPTION_snapshot:
3303 case QEMU_OPTION_hdachs:
3307 cyls = strtol(p, (char **)&p, 0);
3308 if (cyls < 1 || cyls > 16383)
3313 heads = strtol(p, (char **)&p, 0);
3314 if (heads < 1 || heads > 16)
3319 secs = strtol(p, (char **)&p, 0);
3320 if (secs < 1 || secs > 63)
3324 if (!strcmp(p, "large")) {
3325 translation = BIOS_ATA_TRANSLATION_LARGE;
3326 } else if (!strcmp(p, "rechs")) {
3327 translation = BIOS_ATA_TRANSLATION_RECHS;
3328 } else if (!strcmp(p, "none")) {
3329 translation = BIOS_ATA_TRANSLATION_NONE;
3330 } else if (!strcmp(p, "lba")) {
3331 translation = BIOS_ATA_TRANSLATION_LBA;
3332 } else if (!strcmp(p, "auto")) {
3333 translation = BIOS_ATA_TRANSLATION_AUTO;
3337 } else if (*p != '\0') {
3339 error_report("invalid physical CHS format");
3342 if (hda_opts != NULL) {
3343 qemu_opt_set_number(hda_opts, "cyls", cyls,
3345 qemu_opt_set_number(hda_opts, "heads", heads,
3347 qemu_opt_set_number(hda_opts, "secs", secs,
3349 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3350 qemu_opt_set(hda_opts, "trans", "large",
3352 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3353 qemu_opt_set(hda_opts, "trans", "rechs",
3355 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3356 qemu_opt_set(hda_opts, "trans", "lba",
3358 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3359 qemu_opt_set(hda_opts, "trans", "none",
3364 error_report("'-hdachs' is deprecated, please use '-device"
3365 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3367 case QEMU_OPTION_numa:
3368 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3374 case QEMU_OPTION_display:
3375 display_type = select_display(optarg);
3377 case QEMU_OPTION_nographic:
3378 olist = qemu_find_opts("machine");
3379 qemu_opts_parse_noisily(olist, "graphics=off", false);
3381 display_type = DT_NONE;
3383 case QEMU_OPTION_curses:
3384 #ifdef CONFIG_CURSES
3385 display_type = DT_CURSES;
3387 error_report("curses support is disabled");
3391 case QEMU_OPTION_portrait:
3392 graphic_rotate = 90;
3394 case QEMU_OPTION_rotate:
3395 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3396 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3397 graphic_rotate != 180 && graphic_rotate != 270) {
3398 error_report("only 90, 180, 270 deg rotation is available");
3402 case QEMU_OPTION_kernel:
3403 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3406 case QEMU_OPTION_initrd:
3407 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3410 case QEMU_OPTION_append:
3411 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3414 case QEMU_OPTION_dtb:
3415 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3418 case QEMU_OPTION_cdrom:
3419 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3421 case QEMU_OPTION_boot:
3422 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3428 case QEMU_OPTION_fda:
3429 case QEMU_OPTION_fdb:
3430 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3433 case QEMU_OPTION_no_fd_bootchk:
3436 case QEMU_OPTION_netdev:
3438 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3442 case QEMU_OPTION_net:
3444 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3448 #ifdef CONFIG_LIBISCSI
3449 case QEMU_OPTION_iscsi:
3450 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3458 case QEMU_OPTION_tftp:
3459 error_report("The -tftp option is deprecated. "
3460 "Please use '-netdev user,tftp=...' instead.");
3461 legacy_tftp_prefix = optarg;
3463 case QEMU_OPTION_bootp:
3464 error_report("The -bootp option is deprecated. "
3465 "Please use '-netdev user,bootfile=...' instead.");
3466 legacy_bootp_filename = optarg;
3468 case QEMU_OPTION_redir:
3469 error_report("The -redir option is deprecated. "
3470 "Please use '-netdev user,hostfwd=...' instead.");
3471 if (net_slirp_redir(optarg) < 0)
3475 case QEMU_OPTION_bt:
3476 add_device_config(DEV_BT, optarg);
3478 case QEMU_OPTION_audio_help:
3482 case QEMU_OPTION_soundhw:
3483 select_soundhw (optarg);
3488 case QEMU_OPTION_version:
3493 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3500 case QEMU_OPTION_tpmdev:
3501 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3506 case QEMU_OPTION_mempath:
3509 case QEMU_OPTION_mem_prealloc:
3518 case QEMU_OPTION_DFILTER:
3519 qemu_set_dfilter_ranges(optarg, &error_fatal);
3522 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3524 case QEMU_OPTION_gdb:
3525 add_device_config(DEV_GDB, optarg);
3528 if (is_help_option(optarg)) {
3529 list_data_dirs = true;
3530 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3531 data_dir[data_dir_idx++] = optarg;
3534 case QEMU_OPTION_bios:
3535 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3538 case QEMU_OPTION_singlestep:
3545 keyboard_layout = optarg;
3547 case QEMU_OPTION_localtime:
3550 case QEMU_OPTION_vga:
3559 w = strtol(p, (char **)&p, 10);
3562 error_report("invalid resolution or depth");
3568 h = strtol(p, (char **)&p, 10);
3573 depth = strtol(p, (char **)&p, 10);
3574 if (depth != 8 && depth != 15 && depth != 16 &&
3575 depth != 24 && depth != 32)
3577 } else if (*p == '\0') {
3578 depth = graphic_depth;
3585 graphic_depth = depth;
3588 case QEMU_OPTION_echr:
3591 term_escape_char = strtol(optarg, &r, 0);
3593 printf("Bad argument to echr\n");
3596 case QEMU_OPTION_monitor:
3597 default_monitor = 0;
3598 if (strncmp(optarg, "none", 4)) {
3599 monitor_parse(optarg, "readline", false);
3602 case QEMU_OPTION_qmp:
3603 monitor_parse(optarg, "control", false);
3604 default_monitor = 0;
3606 case QEMU_OPTION_qmp_pretty:
3607 monitor_parse(optarg, "control", true);
3608 default_monitor = 0;
3610 case QEMU_OPTION_mon:
3611 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3616 default_monitor = 0;
3618 case QEMU_OPTION_chardev:
3619 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3625 case QEMU_OPTION_fsdev:
3626 olist = qemu_find_opts("fsdev");
3628 error_report("fsdev support is disabled");
3631 opts = qemu_opts_parse_noisily(olist, optarg, true);
3636 case QEMU_OPTION_virtfs: {
3639 const char *writeout, *sock_fd, *socket, *path, *security_model;
3641 olist = qemu_find_opts("virtfs");
3643 error_report("virtfs support is disabled");
3646 opts = qemu_opts_parse_noisily(olist, optarg, true);
3651 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3652 qemu_opt_get(opts, "mount_tag") == NULL) {
3653 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3656 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3657 qemu_opts_id(opts) ?:
3658 qemu_opt_get(opts, "mount_tag"),
3661 error_report("duplicate or invalid fsdev id: %s",
3662 qemu_opt_get(opts, "mount_tag"));
3666 writeout = qemu_opt_get(opts, "writeout");
3668 #ifdef CONFIG_SYNC_FILE_RANGE
3669 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3671 error_report("writeout=immediate not supported "
3672 "on this platform");
3676 qemu_opt_set(fsdev, "fsdriver",
3677 qemu_opt_get(opts, "fsdriver"), &error_abort);
3678 path = qemu_opt_get(opts, "path");
3680 qemu_opt_set(fsdev, "path", path, &error_abort);
3682 security_model = qemu_opt_get(opts, "security_model");
3683 if (security_model) {
3684 qemu_opt_set(fsdev, "security_model", security_model,
3687 socket = qemu_opt_get(opts, "socket");
3689 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3691 sock_fd = qemu_opt_get(opts, "sock_fd");
3693 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3696 qemu_opt_set_bool(fsdev, "readonly",
3697 qemu_opt_get_bool(opts, "readonly", 0),
3699 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3701 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3702 qemu_opt_set(device, "fsdev",
3703 qemu_opts_id(fsdev), &error_abort);
3704 qemu_opt_set(device, "mount_tag",
3705 qemu_opt_get(opts, "mount_tag"), &error_abort);
3708 case QEMU_OPTION_virtfs_synth: {
3712 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3715 error_report("duplicate option: %s", "virtfs_synth");
3718 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3720 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3722 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3723 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3724 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3727 case QEMU_OPTION_serial:
3728 add_device_config(DEV_SERIAL, optarg);
3730 if (strncmp(optarg, "mon:", 4) == 0) {
3731 default_monitor = 0;
3734 case QEMU_OPTION_watchdog:
3736 error_report("only one watchdog option may be given");
3741 case QEMU_OPTION_watchdog_action:
3742 if (select_watchdog_action(optarg) == -1) {
3743 error_report("unknown -watchdog-action parameter");
3747 case QEMU_OPTION_virtiocon:
3748 add_device_config(DEV_VIRTCON, optarg);
3749 default_virtcon = 0;
3750 if (strncmp(optarg, "mon:", 4) == 0) {
3751 default_monitor = 0;
3754 case QEMU_OPTION_parallel:
3755 add_device_config(DEV_PARALLEL, optarg);
3756 default_parallel = 0;
3757 if (strncmp(optarg, "mon:", 4) == 0) {
3758 default_monitor = 0;
3761 case QEMU_OPTION_debugcon:
3762 add_device_config(DEV_DEBUGCON, optarg);
3764 case QEMU_OPTION_loadvm:
3767 case QEMU_OPTION_full_screen:
3770 case QEMU_OPTION_no_frame:
3773 case QEMU_OPTION_alt_grab:
3776 case QEMU_OPTION_ctrl_grab:
3779 case QEMU_OPTION_no_quit:
3782 case QEMU_OPTION_sdl:
3784 display_type = DT_SDL;
3787 error_report("SDL support is disabled");
3790 case QEMU_OPTION_pidfile:
3793 case QEMU_OPTION_win2k_hack:
3794 win2k_install_hack = 1;
3796 case QEMU_OPTION_rtc_td_hack: {
3797 static GlobalProperty slew_lost_ticks = {
3798 .driver = "mc146818rtc",
3799 .property = "lost_tick_policy",
3803 qdev_prop_register_global(&slew_lost_ticks);
3806 case QEMU_OPTION_acpitable:
3807 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3812 acpi_table_add(opts, &error_fatal);
3814 case QEMU_OPTION_smbios:
3815 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3820 smbios_entry_add(opts, &error_fatal);
3822 case QEMU_OPTION_fwcfg:
3823 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3829 case QEMU_OPTION_enable_kvm:
3830 olist = qemu_find_opts("machine");
3831 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3833 case QEMU_OPTION_enable_hax:
3834 olist = qemu_find_opts("machine");
3835 qemu_opts_parse_noisily(olist, "accel=hax", false);
3838 case QEMU_OPTION_machine:
3839 olist = qemu_find_opts("machine");
3840 opts = qemu_opts_parse_noisily(olist, optarg, true);
3845 case QEMU_OPTION_no_kvm:
3846 olist = qemu_find_opts("machine");
3847 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3849 case QEMU_OPTION_no_kvm_pit: {
3850 warn_report("ignoring deprecated option");
3853 case QEMU_OPTION_no_kvm_pit_reinjection: {
3854 static GlobalProperty kvm_pit_lost_tick_policy = {
3855 .driver = "kvm-pit",
3856 .property = "lost_tick_policy",
3860 warn_report("deprecated, replaced by "
3861 "-global kvm-pit.lost_tick_policy=discard");
3862 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3865 case QEMU_OPTION_accel:
3866 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3868 optarg = qemu_opt_get(accel_opts, "accel");
3869 if (!optarg || is_help_option(optarg)) {
3870 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3873 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3874 false, &error_abort);
3875 qemu_opt_set(opts, "accel", optarg, &error_abort);
3877 case QEMU_OPTION_usb:
3878 olist = qemu_find_opts("machine");
3879 qemu_opts_parse_noisily(olist, "usb=on", false);
3881 case QEMU_OPTION_usbdevice:
3882 error_report("'-usbdevice' is deprecated, please use "
3883 "'-device usb-...' instead");
3884 olist = qemu_find_opts("machine");
3885 qemu_opts_parse_noisily(olist, "usb=on", false);
3886 add_device_config(DEV_USB, optarg);
3888 case QEMU_OPTION_device:
3889 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3894 case QEMU_OPTION_smp:
3895 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3900 case QEMU_OPTION_vnc:
3901 vnc_parse(optarg, &error_fatal);
3903 case QEMU_OPTION_no_acpi:
3906 case QEMU_OPTION_no_hpet:
3909 case QEMU_OPTION_balloon:
3910 if (balloon_parse(optarg) < 0) {
3911 error_report("unknown -balloon argument %s", optarg);
3915 case QEMU_OPTION_no_reboot:
3918 case QEMU_OPTION_no_shutdown:
3921 case QEMU_OPTION_show_cursor:
3924 case QEMU_OPTION_uuid:
3925 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3926 error_report("failed to parse UUID string: wrong format");
3929 qemu_uuid_set = true;
3931 case QEMU_OPTION_option_rom:
3932 if (nb_option_roms >= MAX_OPTION_ROMS) {
3933 error_report("too many option ROMs");
3936 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3941 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3942 option_rom[nb_option_roms].bootindex =
3943 qemu_opt_get_number(opts, "bootindex", -1);
3944 if (!option_rom[nb_option_roms].name) {
3945 error_report("Option ROM file is not specified");
3950 case QEMU_OPTION_semihosting:
3951 semihosting.enabled = true;
3952 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3954 case QEMU_OPTION_semihosting_config:
3955 semihosting.enabled = true;
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3959 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3961 const char *target = qemu_opt_get(opts, "target");
3962 if (target != NULL) {
3963 if (strcmp("native", target) == 0) {
3964 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3965 } else if (strcmp("gdb", target) == 0) {
3966 semihosting.target = SEMIHOSTING_TARGET_GDB;
3967 } else if (strcmp("auto", target) == 0) {
3968 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3970 error_report("unsupported semihosting-config %s",
3975 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3977 /* Set semihosting argument count and vector */
3978 qemu_opt_foreach(opts, add_semihosting_arg,
3979 &semihosting, NULL);
3981 error_report("unsupported semihosting-config %s", optarg);
3985 case QEMU_OPTION_tdf:
3986 warn_report("ignoring deprecated option");
3988 case QEMU_OPTION_name:
3989 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3995 case QEMU_OPTION_prom_env:
3996 if (nb_prom_envs >= MAX_PROM_ENVS) {
3997 error_report("too many prom variables");
4000 prom_envs[nb_prom_envs] = optarg;
4003 case QEMU_OPTION_old_param:
4006 case QEMU_OPTION_clock:
4007 /* Clock options no longer exist. Keep this option for
4008 * backward compatibility.
4011 case QEMU_OPTION_startdate:
4012 configure_rtc_date_offset(optarg, 1);
4014 case QEMU_OPTION_rtc:
4015 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
4020 configure_rtc(opts);
4022 case QEMU_OPTION_tb_size:
4024 error_report("TCG is disabled");
4027 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
4028 error_report("Invalid argument to -tb-size");
4032 case QEMU_OPTION_icount:
4033 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
4039 case QEMU_OPTION_incoming:
4041 runstate_set(RUN_STATE_INMIGRATE);
4045 case QEMU_OPTION_only_migratable:
4047 * TODO: we can remove this option one day, and we
4050 * "-global migration.only-migratable=true"
4052 qemu_global_option("migration.only-migratable=true");
4054 case QEMU_OPTION_nodefaults:
4057 case QEMU_OPTION_xen_domid:
4058 if (!(xen_available())) {
4059 error_report("Option not supported for this target");
4062 xen_domid = atoi(optarg);
4064 case QEMU_OPTION_xen_create:
4065 if (!(xen_available())) {
4066 error_report("Option not supported for this target");
4069 xen_mode = XEN_CREATE;
4071 case QEMU_OPTION_xen_attach:
4072 if (!(xen_available())) {
4073 error_report("Option not supported for this target");
4076 xen_mode = XEN_ATTACH;
4078 case QEMU_OPTION_xen_domid_restrict:
4079 if (!(xen_available())) {
4080 error_report("Option not supported for this target");
4083 xen_domid_restrict = true;
4085 case QEMU_OPTION_trace:
4087 trace_file = trace_opt_parse(optarg);
4089 case QEMU_OPTION_readconfig:
4091 int ret = qemu_read_config_file(optarg);
4093 error_report("read config %s: %s", optarg,
4099 case QEMU_OPTION_spice:
4100 olist = qemu_find_opts("spice");
4102 error_report("spice support is disabled");
4105 opts = qemu_opts_parse_noisily(olist, optarg, false);
4111 case QEMU_OPTION_writeconfig:
4114 if (strcmp(optarg, "-") == 0) {
4117 fp = fopen(optarg, "w");
4119 error_report("open %s: %s", optarg,
4124 qemu_config_write(fp);
4130 case QEMU_OPTION_qtest:
4131 qtest_chrdev = optarg;
4133 case QEMU_OPTION_qtest_log:
4136 case QEMU_OPTION_sandbox:
4137 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4143 case QEMU_OPTION_add_fd:
4145 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4151 error_report("File descriptor passing is disabled on this "
4156 case QEMU_OPTION_object:
4157 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4163 case QEMU_OPTION_realtime:
4164 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4169 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4171 case QEMU_OPTION_msg:
4172 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4177 configure_msg(opts);
4179 case QEMU_OPTION_dump_vmstate:
4180 if (vmstate_dump_file) {
4181 error_report("only one '-dump-vmstate' "
4182 "option may be given");
4185 vmstate_dump_file = fopen(optarg, "w");
4186 if (vmstate_dump_file == NULL) {
4187 error_report("open %s: %s", optarg, strerror(errno));
4192 os_parse_cmd_args(popt->index, optarg);
4197 * Clear error location left behind by the loop.
4198 * Best done right after the loop. Do not insert code here!
4202 replay_configure(icount_opts);
4204 machine_class = select_machine();
4206 set_memory_options(&ram_slots, &maxram_size, machine_class);
4209 rcu_disable_atfork();
4211 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4212 error_report("could not acquire pid file: %s", strerror(errno));
4216 if (qemu_init_main_loop(&main_loop_err)) {
4217 error_report_err(main_loop_err);
4221 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4222 parse_sandbox, NULL, NULL)) {
4226 if (qemu_opts_foreach(qemu_find_opts("name"),
4227 parse_name, NULL, NULL)) {
4232 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4233 parse_add_fd, NULL, NULL)) {
4237 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4238 cleanup_add_fd, NULL, NULL)) {
4243 current_machine = MACHINE(object_new(object_class_get_name(
4244 OBJECT_CLASS(machine_class))));
4245 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4248 object_property_add_child(object_get_root(), "machine",
4249 OBJECT(current_machine), &error_abort);
4251 if (machine_class->minimum_page_bits) {
4252 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4253 /* This would be a board error: specifying a minimum smaller than
4254 * a target's compile-time fixed setting.
4256 g_assert_not_reached();
4260 cpu_exec_init_all();
4262 if (machine_class->hw_version) {
4263 qemu_set_hw_version(machine_class->hw_version);
4266 if (cpu_model && is_help_option(cpu_model)) {
4267 list_cpus(stdout, &fprintf, cpu_model);
4271 if (!trace_init_backends()) {
4274 trace_init_file(trace_file);
4276 /* Open the logfile at this point and set the log mask if necessary.
4279 qemu_set_log_filename(log_file, &error_fatal);
4284 mask = qemu_str_to_log_mask(log_mask);
4286 qemu_print_log_usage(stdout);
4294 /* If no data_dir is specified then try to find it relative to the
4296 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4297 data_dir[data_dir_idx] = os_find_datadir();
4298 if (data_dir[data_dir_idx] != NULL) {
4302 /* If all else fails use the install path specified when building. */
4303 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4304 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4307 /* -L help lists the data directories and exits. */
4308 if (list_data_dirs) {
4309 for (i = 0; i < data_dir_idx; i++) {
4310 printf("%s\n", data_dir[i]);
4315 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4317 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4318 if (max_cpus > machine_class->max_cpus) {
4319 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4320 "supported by machine '%s' (%d)", max_cpus,
4321 machine_class->name, machine_class->max_cpus);
4326 * Get the default machine options from the machine if it is not already
4327 * specified either by the configuration file or by the command line.
4329 if (machine_class->default_machine_opts) {
4330 qemu_opts_set_defaults(qemu_find_opts("machine"),
4331 machine_class->default_machine_opts, 0);
4334 qemu_opts_foreach(qemu_find_opts("device"),
4335 default_driver_check, NULL, NULL);
4336 qemu_opts_foreach(qemu_find_opts("global"),
4337 default_driver_check, NULL, NULL);
4339 if (!vga_model && !default_vga) {
4340 vga_interface_type = VGA_DEVICE;
4342 if (!has_defaults || machine_class->no_serial) {
4345 if (!has_defaults || machine_class->no_parallel) {
4346 default_parallel = 0;
4348 if (!has_defaults || !machine_class->use_virtcon) {
4349 default_virtcon = 0;
4351 if (!has_defaults || !machine_class->use_sclp) {
4354 if (!has_defaults || machine_class->no_floppy) {
4357 if (!has_defaults || machine_class->no_cdrom) {
4360 if (!has_defaults || machine_class->no_sdcard) {
4363 if (!has_defaults) {
4364 default_monitor = 0;
4369 if (is_daemonized()) {
4370 /* According to documentation and historically, -nographic redirects
4371 * serial port, parallel port and monitor to stdio, which does not work
4372 * with -daemonize. We can redirect these to null instead, but since
4373 * -nographic is legacy, let's just error out.
4374 * We disallow -nographic only if all other ports are not redirected
4375 * explicitly, to not break existing legacy setups which uses
4376 * -nographic _and_ redirects all ports explicitly - this is valid
4377 * usage, -nographic is just a no-op in this case.
4380 && (default_parallel || default_serial
4381 || default_monitor || default_virtcon)) {
4382 error_report("-nographic cannot be used with -daemonize");
4385 #ifdef CONFIG_CURSES
4386 if (display_type == DT_CURSES) {
4387 error_report("curses display cannot be used with -daemonize");
4394 if (default_parallel)
4395 add_device_config(DEV_PARALLEL, "null");
4396 if (default_serial && default_monitor) {
4397 add_device_config(DEV_SERIAL, "mon:stdio");
4398 } else if (default_virtcon && default_monitor) {
4399 add_device_config(DEV_VIRTCON, "mon:stdio");
4400 } else if (default_sclp && default_monitor) {
4401 add_device_config(DEV_SCLP, "mon:stdio");
4404 add_device_config(DEV_SERIAL, "stdio");
4405 if (default_virtcon)
4406 add_device_config(DEV_VIRTCON, "stdio");
4408 add_device_config(DEV_SCLP, "stdio");
4410 if (default_monitor)
4411 monitor_parse("stdio", "readline", false);
4415 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4416 if (default_parallel)
4417 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4418 if (default_monitor)
4419 monitor_parse("vc:80Cx24C", "readline", false);
4420 if (default_virtcon)
4421 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4423 add_device_config(DEV_SCLP, "vc:80Cx24C");
4427 #if defined(CONFIG_VNC)
4428 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4432 if (display_type == DT_DEFAULT && !display_remote) {
4433 #if defined(CONFIG_GTK)
4434 display_type = DT_GTK;
4435 #elif defined(CONFIG_SDL)
4436 display_type = DT_SDL;
4437 #elif defined(CONFIG_COCOA)
4438 display_type = DT_COCOA;
4439 #elif defined(CONFIG_VNC)
4440 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4442 display_type = DT_NONE;
4446 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4447 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4448 "for SDL, ignoring option");
4450 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4451 error_report("-no-quit is only valid for GTK and SDL, "
4455 if (display_type == DT_GTK) {
4456 early_gtk_display_init(request_opengl);
4459 if (display_type == DT_SDL) {
4460 sdl_display_early_init(request_opengl);
4463 qemu_console_early_init();
4465 if (request_opengl == 1 && display_opengl == 0) {
4466 #if defined(CONFIG_OPENGL)
4467 error_report("OpenGL is not supported by the display");
4469 error_report("OpenGL support is disabled");
4477 if (qemu_opts_foreach(qemu_find_opts("object"),
4478 user_creatable_add_opts_foreach,
4479 object_create_initial, NULL)) {
4483 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4484 chardev_init_func, NULL, NULL)) {
4488 #ifdef CONFIG_VIRTFS
4489 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4490 fsdev_init_func, NULL, NULL)) {
4495 if (qemu_opts_foreach(qemu_find_opts("device"),
4496 device_help_func, NULL, NULL)) {
4500 machine_opts = qemu_get_machine_opts();
4501 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4503 object_unref(OBJECT(current_machine));
4507 configure_accelerator(current_machine);
4510 * Register all the global properties, including accel properties,
4511 * machine properties, and user-specified ones.
4513 register_global_properties(current_machine);
4516 * Migration object can only be created after global properties
4517 * are applied correctly.
4519 migration_object_init();
4522 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4525 machine_opts = qemu_get_machine_opts();
4526 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4527 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4528 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4529 bios_name = qemu_opt_get(machine_opts, "firmware");
4531 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4533 boot_order = qemu_opt_get(opts, "order");
4535 validate_bootdevices(boot_order, &error_fatal);
4538 boot_once = qemu_opt_get(opts, "once");
4540 validate_bootdevices(boot_once, &error_fatal);
4543 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4544 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4548 boot_order = machine_class->default_boot_order;
4551 if (!kernel_cmdline) {
4552 kernel_cmdline = "";
4553 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4556 linux_boot = (kernel_filename != NULL);
4558 if (!linux_boot && *kernel_cmdline != '\0') {
4559 error_report("-append only allowed with -kernel option");
4563 if (!linux_boot && initrd_filename != NULL) {
4564 error_report("-initrd only allowed with -kernel option");
4568 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4569 /* fall back to the -kernel/-append */
4570 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4573 os_set_line_buffering();
4575 /* spice needs the timers to be initialized by this point */
4580 if (!tcg_enabled()) {
4581 error_report("-icount is not allowed with hardware virtualization");
4584 configure_icount(icount_opts, &error_abort);
4585 qemu_opts_del(icount_opts);
4588 if (tcg_enabled()) {
4589 qemu_tcg_configure(accel_opts, &error_fatal);
4593 QemuOptsList *net = qemu_find_opts("net");
4594 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4596 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4602 if (net_init_clients() < 0) {
4606 if (qemu_opts_foreach(qemu_find_opts("object"),
4607 user_creatable_add_opts_foreach,
4608 object_create_delayed, NULL)) {
4613 if (tpm_init() < 0) {
4618 /* init the bluetooth world */
4619 if (foreach_device_config(DEV_BT, bt_parse))
4622 if (!xen_enabled()) {
4623 /* On 32-bit hosts, QEMU is limited by virtual address space */
4624 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4625 error_report("at most 2047 MB RAM can be simulated");
4633 /* If the currently selected machine wishes to override the units-per-bus
4634 * property of its default HBA interface type, do so now. */
4635 if (machine_class->units_per_default_bus) {
4636 override_max_devs(machine_class->block_default_type,
4637 machine_class->units_per_default_bus);
4640 /* open the virtual block devices */
4641 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4642 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4644 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4645 loc_push_restore(&bdo->loc);
4646 qmp_blockdev_add(bdo->bdo, &error_fatal);
4648 qapi_free_BlockdevOptions(bdo->bdo);
4651 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4652 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4655 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4656 &machine_class->block_default_type, NULL)) {
4660 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4662 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4663 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4665 parse_numa_opts(current_machine);
4667 if (qemu_opts_foreach(qemu_find_opts("mon"),
4668 mon_init_func, NULL, NULL)) {
4672 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4674 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4676 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4678 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4681 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4684 /* If no default VGA is requested, the default is "none". */
4686 if (machine_class->default_display) {
4687 vga_model = machine_class->default_display;
4688 } else if (vga_interface_available(VGA_CIRRUS)) {
4689 vga_model = "cirrus";
4690 } else if (vga_interface_available(VGA_STD)) {
4695 select_vgahw(vga_model);
4699 i = select_watchdog(watchdog);
4701 exit (i == 1 ? 1 : 0);
4704 /* This checkpoint is required by replay to separate prior clock
4705 reading from the other reads, because timer polling functions query
4706 clock values from the log. */
4707 replay_checkpoint(CHECKPOINT_INIT);
4708 qdev_machine_init();
4710 current_machine->ram_size = ram_size;
4711 current_machine->maxram_size = maxram_size;
4712 current_machine->ram_slots = ram_slots;
4713 current_machine->boot_order = boot_order;
4714 current_machine->cpu_model = cpu_model;
4717 /* parse features once if machine provides default cpu_type */
4718 if (machine_class->default_cpu_type) {
4719 current_machine->cpu_type = machine_class->default_cpu_type;
4721 current_machine->cpu_type =
4722 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4726 machine_run_board_init(current_machine);
4732 if (hax_enabled()) {
4736 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4737 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4741 /* init USB devices */
4742 if (machine_usb(current_machine)) {
4743 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4747 /* Check if IGD GFX passthrough. */
4750 /* init generic devices */
4751 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4752 if (qemu_opts_foreach(qemu_find_opts("device"),
4753 device_init_func, NULL, NULL)) {
4757 cpu_synchronize_all_post_init();
4759 rom_reset_order_override();
4762 * Create frontends for -drive if=scsi leftovers.
4763 * Normally, frontends for -drive get created by machine
4764 * initialization for onboard SCSI HBAs. However, we create a few
4765 * more ever since SCSI qdevification, but this is pretty much an
4766 * implementation accident, and deprecated.
4768 scsi_legacy_handle_cmdline();
4770 /* Did we create any drives that we failed to create a device for? */
4771 drive_check_orphaned();
4773 /* Don't warn about the default network setup that you get if
4774 * no command line -net or -netdev options are specified. There
4775 * are two cases that we would otherwise complain about:
4776 * (1) board doesn't support a NIC but the implicit "-net nic"
4778 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4779 * sets up a nic that isn't connected to anything.
4782 net_check_clients();
4787 qemu_boot_set(boot_once, &error_fatal);
4788 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4791 ds = init_displaystate();
4793 /* init local displays */
4794 switch (display_type) {
4796 curses_display_init(ds, full_screen);
4799 sdl_display_init(ds, full_screen, no_frame);
4802 cocoa_display_init(ds, full_screen);
4805 gtk_display_init(ds, full_screen, grab_on_hover);
4811 /* must be after terminal init, SDL library changes signal handlers */
4812 os_setup_signal_handling();
4814 /* init remote displays */
4816 qemu_opts_foreach(qemu_find_opts("vnc"),
4817 vnc_init_func, NULL, NULL);
4821 qemu_spice_display_init();
4824 #ifdef CONFIG_OPENGL_DMABUF
4825 if (display_type == DT_EGL) {
4826 egl_headless_init();
4830 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4834 qdev_machine_creation_done();
4836 /* TODO: once all bus devices are qdevified, this should be done
4837 * when bus is created by qdev.c */
4838 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4839 qemu_run_machine_init_done_notifiers();
4841 if (rom_check_and_register_reset() != 0) {
4842 error_report("rom check and register reset failed");
4848 /* This checkpoint is required by replay to separate prior clock
4849 reading from the other reads, because timer polling functions query
4850 clock values from the log. */
4851 replay_checkpoint(CHECKPOINT_RESET);
4852 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4853 register_global_state();
4854 if (replay_mode != REPLAY_MODE_NONE) {
4855 replay_vmstate_init();
4856 } else if (loadvm) {
4857 Error *local_err = NULL;
4858 if (load_snapshot(loadvm, &local_err) < 0) {
4859 error_report_err(local_err);
4864 qdev_prop_check_globals();
4865 if (vmstate_dump_file) {
4867 dump_vmstate_json_to_file(vmstate_dump_file);
4872 Error *local_err = NULL;
4873 qemu_start_incoming_migration(incoming, &local_err);
4875 error_reportf_err(local_err, "-incoming %s: ", incoming);
4878 } else if (autostart) {
4885 replay_disable_events();
4886 iothread_stop_all();
4892 /* vhost-user must be cleaned up before chardevs. */
4897 user_creatable_cleanup();
4898 /* TODO: unref root container, check all devices are ok */