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"
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
39 #if defined(__APPLE__) || defined(main)
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
44 return qemu_main(argc, argv, NULL);
47 #define main qemu_main
49 #endif /* CONFIG_SDL */
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 int request_opengl = -1;
136 const char* keyboard_layout = NULL;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
142 NICInfo nd_table[MAX_NICS];
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
162 int acpi_enabled = 1;
165 static int no_reboot;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 const char *qemu_name;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
184 int icount_align_option;
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200 enum xen_mode xen_mode = XEN_EMULATE;
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212 static int default_net = 1;
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial", .flag = &default_virtcon },
227 { .driver = "VGA", .flag = &default_vga },
228 { .driver = "isa-vga", .flag = &default_vga },
229 { .driver = "cirrus-vga", .flag = &default_vga },
230 { .driver = "isa-cirrus-vga", .flag = &default_vga },
231 { .driver = "vmware-svga", .flag = &default_vga },
232 { .driver = "qxl-vga", .flag = &default_vga },
233 { .driver = "virtio-vga", .flag = &default_vga },
236 static QemuOptsList qemu_rtc_opts = {
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .type = QEMU_OPT_STRING,
245 .type = QEMU_OPT_STRING,
248 .type = QEMU_OPT_STRING,
250 { /* end of list */ }
254 static QemuOptsList qemu_sandbox_opts = {
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .type = QEMU_OPT_BOOL,
263 { /* end of list */ }
267 static QemuOptsList qemu_option_rom_opts = {
268 .name = "option-rom",
269 .implied_opt_name = "romfile",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
274 .type = QEMU_OPT_NUMBER,
277 .type = QEMU_OPT_STRING,
279 { /* end of list */ }
283 static QemuOptsList qemu_machine_opts = {
285 .implied_opt_name = "type",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
290 * no elements => accept any
291 * sanity checking will happen later
292 * when setting machine properties
298 static QemuOptsList qemu_boot_opts = {
300 .implied_opt_name = "order",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
306 .type = QEMU_OPT_STRING,
309 .type = QEMU_OPT_STRING,
312 .type = QEMU_OPT_BOOL,
315 .type = QEMU_OPT_STRING,
317 .name = "splash-time",
318 .type = QEMU_OPT_STRING,
320 .name = "reboot-timeout",
321 .type = QEMU_OPT_STRING,
324 .type = QEMU_OPT_BOOL,
330 static QemuOptsList qemu_add_fd_opts = {
332 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
336 .type = QEMU_OPT_NUMBER,
337 .help = "file descriptor of which a duplicate is added to fd set",
340 .type = QEMU_OPT_NUMBER,
341 .help = "ID of the fd set to add fd to",
344 .type = QEMU_OPT_STRING,
345 .help = "free-form string used to describe fd",
347 { /* end of list */ }
351 static QemuOptsList qemu_object_opts = {
353 .implied_opt_name = "qom-type",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
360 static QemuOptsList qemu_tpmdev_opts = {
362 .implied_opt_name = "type",
363 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
365 /* options are defined in the TPM backends */
366 { /* end of list */ }
370 static QemuOptsList qemu_realtime_opts = {
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
376 .type = QEMU_OPT_BOOL,
378 { /* end of list */ }
382 static QemuOptsList qemu_msg_opts = {
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
388 .type = QEMU_OPT_BOOL,
390 { /* end of list */ }
394 static QemuOptsList qemu_name_opts = {
396 .implied_opt_name = "guest",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
402 .type = QEMU_OPT_STRING,
403 .help = "Sets the name of the guest.\n"
404 "This name will be displayed in the SDL window caption.\n"
405 "The name will also be used for the VNC server",
408 .type = QEMU_OPT_STRING,
409 .help = "Sets the name of the QEMU process, as shown in top etc",
411 .name = "debug-threads",
412 .type = QEMU_OPT_BOOL,
413 .help = "When enabled, name the individual threads; defaults off.\n"
414 "NOTE: The thread names are for debugging and not a\n"
417 { /* End of list */ }
421 static QemuOptsList qemu_mem_opts = {
423 .implied_opt_name = "size",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
429 .type = QEMU_OPT_SIZE,
433 .type = QEMU_OPT_NUMBER,
437 .type = QEMU_OPT_SIZE,
439 { /* end of list */ }
443 static QemuOptsList qemu_icount_opts = {
445 .implied_opt_name = "shift",
447 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
451 .type = QEMU_OPT_STRING,
454 .type = QEMU_OPT_BOOL,
457 .type = QEMU_OPT_BOOL,
460 .type = QEMU_OPT_STRING,
463 .type = QEMU_OPT_STRING,
465 { /* end of list */ }
469 static QemuOptsList qemu_semihosting_config_opts = {
470 .name = "semihosting-config",
471 .implied_opt_name = "enable",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
476 .type = QEMU_OPT_BOOL,
479 .type = QEMU_OPT_STRING,
482 .type = QEMU_OPT_STRING,
484 { /* end of list */ }
488 static QemuOptsList qemu_fw_cfg_opts = {
490 .implied_opt_name = "name",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
495 .type = QEMU_OPT_STRING,
496 .help = "Sets the fw_cfg name of the blob to be inserted",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the file from which\n"
501 "the fw_cfg blob will be loaded",
504 .type = QEMU_OPT_STRING,
505 .help = "Sets content of the blob to be inserted from a string",
507 { /* end of list */ }
511 #ifdef CONFIG_LIBISCSI
512 static QemuOptsList qemu_iscsi_opts = {
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
518 .type = QEMU_OPT_STRING,
519 .help = "username for CHAP authentication to target",
522 .type = QEMU_OPT_STRING,
523 .help = "password for CHAP authentication to target",
525 .name = "password-secret",
526 .type = QEMU_OPT_STRING,
527 .help = "ID of the secret providing password for CHAP "
528 "authentication to target",
530 .name = "header-digest",
531 .type = QEMU_OPT_STRING,
532 .help = "HeaderDigest setting. "
533 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
535 .name = "initiator-name",
536 .type = QEMU_OPT_STRING,
537 .help = "Initiator iqn name to use when connecting",
540 .type = QEMU_OPT_NUMBER,
541 .help = "Request timeout in seconds (default 0 = no timeout)",
543 { /* end of list */ }
549 * Get machine options
551 * Returns: machine options (never null).
553 QemuOpts *qemu_get_machine_opts(void)
555 return qemu_find_opts_singleton("machine");
558 const char *qemu_get_vm_name(void)
563 static void res_free(void)
565 g_free(boot_splash_filedata);
566 boot_splash_filedata = NULL;
569 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
571 const char *driver = qemu_opt_get(opts, "driver");
576 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
577 if (strcmp(default_list[i].driver, driver) != 0)
579 *(default_list[i].flag) = 0;
584 /***********************************************************/
587 static RunState current_run_state = RUN_STATE_PRELAUNCH;
589 /* We use RUN_STATE__MAX but any invalid value will do */
590 static RunState vmstop_requested = RUN_STATE__MAX;
591 static QemuMutex vmstop_lock;
596 } RunStateTransition;
598 static const RunStateTransition runstate_transitions_def[] = {
600 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
601 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
604 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
605 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
608 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
610 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
611 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
614 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
620 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
621 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
625 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
643 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
644 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
647 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
651 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
652 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
654 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
657 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
660 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
661 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
662 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
663 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
664 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
666 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
667 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
670 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
671 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
674 { RUN_STATE__MAX, RUN_STATE__MAX },
677 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
679 bool runstate_check(RunState state)
681 return current_run_state == state;
684 bool runstate_store(char *str, size_t size)
686 const char *state = RunState_lookup[current_run_state];
687 size_t len = strlen(state) + 1;
692 memcpy(str, state, len);
696 static void runstate_init(void)
698 const RunStateTransition *p;
700 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
701 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
702 runstate_valid_transitions[p->from][p->to] = true;
705 qemu_mutex_init(&vmstop_lock);
708 /* This function will abort() on invalid state transitions */
709 void runstate_set(RunState new_state)
711 assert(new_state < RUN_STATE__MAX);
713 if (current_run_state == new_state) {
717 if (!runstate_valid_transitions[current_run_state][new_state]) {
718 error_report("invalid runstate transition: '%s' -> '%s'",
719 RunState_lookup[current_run_state],
720 RunState_lookup[new_state]);
723 trace_runstate_set(new_state);
724 current_run_state = new_state;
727 int runstate_is_running(void)
729 return runstate_check(RUN_STATE_RUNNING);
732 bool runstate_needs_reset(void)
734 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
735 runstate_check(RUN_STATE_SHUTDOWN);
738 StatusInfo *qmp_query_status(Error **errp)
740 StatusInfo *info = g_malloc0(sizeof(*info));
742 info->running = runstate_is_running();
743 info->singlestep = singlestep;
744 info->status = current_run_state;
749 static bool qemu_vmstop_requested(RunState *r)
751 qemu_mutex_lock(&vmstop_lock);
752 *r = vmstop_requested;
753 vmstop_requested = RUN_STATE__MAX;
754 qemu_mutex_unlock(&vmstop_lock);
755 return *r < RUN_STATE__MAX;
758 void qemu_system_vmstop_request_prepare(void)
760 qemu_mutex_lock(&vmstop_lock);
763 void qemu_system_vmstop_request(RunState state)
765 vmstop_requested = state;
766 qemu_mutex_unlock(&vmstop_lock);
774 qemu_vmstop_requested(&requested);
775 if (runstate_is_running() && requested == RUN_STATE__MAX) {
779 /* Ensure that a STOP/RESUME pair of events is emitted if a
780 * vmstop request was pending. The BLOCK_IO_ERROR event, for
781 * example, according to documentation is always followed by
784 if (runstate_is_running()) {
785 qapi_event_send_stop(&error_abort);
787 replay_enable_events();
789 runstate_set(RUN_STATE_RUNNING);
790 vm_state_notify(1, RUN_STATE_RUNNING);
794 qapi_event_send_resume(&error_abort);
798 /***********************************************************/
799 /* real time host monotonic timer */
801 static time_t qemu_time(void)
803 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
806 /***********************************************************/
807 /* host time/date access */
808 void qemu_get_timedate(struct tm *tm, int offset)
810 time_t ti = qemu_time();
813 if (rtc_date_offset == -1) {
817 localtime_r(&ti, tm);
819 ti -= rtc_date_offset;
824 int qemu_timedate_diff(struct tm *tm)
828 if (rtc_date_offset == -1)
830 seconds = mktimegm(tm);
833 tmp.tm_isdst = -1; /* use timezone to figure it out */
834 seconds = mktime(&tmp);
837 seconds = mktimegm(tm) + rtc_date_offset;
839 return seconds - qemu_time();
842 static void configure_rtc_date_offset(const char *startdate, int legacy)
844 time_t rtc_start_date;
847 if (!strcmp(startdate, "now") && legacy) {
848 rtc_date_offset = -1;
850 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
858 } else if (sscanf(startdate, "%d-%d-%d",
870 rtc_start_date = mktimegm(&tm);
871 if (rtc_start_date == -1) {
873 error_report("invalid date format");
874 error_printf("valid formats: "
875 "'2006-06-17T16:01:21' or '2006-06-17'\n");
878 rtc_date_offset = qemu_time() - rtc_start_date;
882 static void configure_rtc(QemuOpts *opts)
886 value = qemu_opt_get(opts, "base");
888 if (!strcmp(value, "utc")) {
890 } else if (!strcmp(value, "localtime")) {
891 Error *blocker = NULL;
893 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
894 "-rtc base=localtime");
895 replay_add_blocker(blocker);
897 configure_rtc_date_offset(value, 0);
900 value = qemu_opt_get(opts, "clock");
902 if (!strcmp(value, "host")) {
903 rtc_clock = QEMU_CLOCK_HOST;
904 } else if (!strcmp(value, "rt")) {
905 rtc_clock = QEMU_CLOCK_REALTIME;
906 } else if (!strcmp(value, "vm")) {
907 rtc_clock = QEMU_CLOCK_VIRTUAL;
909 error_report("invalid option value '%s'", value);
913 value = qemu_opt_get(opts, "driftfix");
915 if (!strcmp(value, "slew")) {
916 static GlobalProperty slew_lost_ticks = {
917 .driver = "mc146818rtc",
918 .property = "lost_tick_policy",
922 qdev_prop_register_global(&slew_lost_ticks);
923 } else if (!strcmp(value, "none")) {
924 /* discard is default */
926 error_report("invalid option value '%s'", value);
932 /***********************************************************/
933 /* Bluetooth support */
936 static struct HCIInfo *hci_table[MAX_NICS];
938 struct HCIInfo *qemu_next_hci(void)
940 if (cur_hci == nb_hcis)
943 return hci_table[cur_hci++];
946 static int bt_hci_parse(const char *str)
951 if (nb_hcis >= MAX_NICS) {
952 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
965 bdaddr.b[5] = 0x56 + nb_hcis;
966 hci->bdaddr_set(hci, bdaddr.b);
968 hci_table[nb_hcis++] = hci;
973 static void bt_vhci_add(int vlan_id)
975 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
978 error_report("warning: adding a VHCI to an empty scatternet %i",
981 bt_vhci_init(bt_new_hci(vlan));
984 static struct bt_device_s *bt_device_add(const char *opt)
986 struct bt_scatternet_s *vlan;
988 char *endp = strstr(opt, ",vlan=");
989 int len = (endp ? endp - opt : strlen(opt)) + 1;
992 pstrcpy(devname, MIN(sizeof(devname), len), opt);
995 vlan_id = strtol(endp + 6, &endp, 0);
997 error_report("unrecognised bluetooth vlan Id");
1002 vlan = qemu_find_bt_vlan(vlan_id);
1005 error_report("warning: adding a slave device to an empty scatternet %i",
1008 if (!strcmp(devname, "keyboard"))
1009 return bt_keyboard_init(vlan);
1011 error_report("unsupported bluetooth device '%s'", devname);
1015 static int bt_parse(const char *opt)
1017 const char *endp, *p;
1020 if (strstart(opt, "hci", &endp)) {
1021 if (!*endp || *endp == ',') {
1023 if (!strstart(endp, ",vlan=", 0))
1026 return bt_hci_parse(opt);
1028 } else if (strstart(opt, "vhci", &endp)) {
1029 if (!*endp || *endp == ',') {
1031 if (strstart(endp, ",vlan=", &p)) {
1032 vlan = strtol(p, (char **) &endp, 0);
1034 error_report("bad scatternet '%s'", p);
1038 error_report("bad parameter '%s'", endp + 1);
1047 } else if (strstart(opt, "device:", &endp))
1048 return !bt_device_add(endp);
1050 error_report("bad bluetooth parameter '%s'", opt);
1054 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1056 /* FIXME: change this to true for 1.3 */
1057 if (qemu_opt_get_bool(opts, "enable", false)) {
1058 #ifdef CONFIG_SECCOMP
1059 if (seccomp_start() < 0) {
1060 error_report("failed to install seccomp syscall filter "
1065 error_report("seccomp support is disabled");
1073 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1075 const char *proc_name;
1077 if (qemu_opt_get(opts, "debug-threads")) {
1078 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1080 qemu_name = qemu_opt_get(opts, "guest");
1082 proc_name = qemu_opt_get(opts, "process");
1084 os_set_proc_name(proc_name);
1090 bool defaults_enabled(void)
1092 return has_defaults;
1096 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1098 int fd, dupfd, flags;
1100 const char *fd_opaque = NULL;
1103 fd = qemu_opt_get_number(opts, "fd", -1);
1104 fdset_id = qemu_opt_get_number(opts, "set", -1);
1105 fd_opaque = qemu_opt_get(opts, "opaque");
1108 error_report("fd option is required and must be non-negative");
1112 if (fd <= STDERR_FILENO) {
1113 error_report("fd cannot be a standard I/O stream");
1118 * All fds inherited across exec() necessarily have FD_CLOEXEC
1119 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1121 flags = fcntl(fd, F_GETFD);
1122 if (flags == -1 || (flags & FD_CLOEXEC)) {
1123 error_report("fd is not valid or already in use");
1128 error_report("set option is required and must be non-negative");
1132 #ifdef F_DUPFD_CLOEXEC
1133 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1137 qemu_set_cloexec(dupfd);
1141 error_report("error duplicating fd: %s", strerror(errno));
1145 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1146 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1153 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1157 fd = qemu_opt_get_number(opts, "fd", -1);
1164 /***********************************************************/
1165 /* QEMU Block devices */
1167 #define HD_OPTS "media=disk"
1168 #define CDROM_OPTS "media=cdrom"
1170 #define PFLASH_OPTS ""
1174 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1176 BlockInterfaceType *block_default_type = opaque;
1178 return drive_new(opts, *block_default_type) == NULL;
1181 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1183 if (qemu_opt_get(opts, "snapshot") == NULL) {
1184 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1189 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1190 int index, const char *optstr)
1195 if (!enable || drive_get_by_index(type, index)) {
1199 opts = drive_add(type, index, NULL, optstr);
1201 drive_enable_snapshot(NULL, opts, NULL);
1204 dinfo = drive_new(opts, type);
1208 dinfo->is_default = true;
1212 static QemuOptsList qemu_smp_opts = {
1214 .implied_opt_name = "cpus",
1215 .merge_lists = true,
1216 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1220 .type = QEMU_OPT_NUMBER,
1223 .type = QEMU_OPT_NUMBER,
1226 .type = QEMU_OPT_NUMBER,
1229 .type = QEMU_OPT_NUMBER,
1232 .type = QEMU_OPT_NUMBER,
1234 { /*End of list */ }
1238 static void smp_parse(QemuOpts *opts)
1241 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1242 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1243 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1244 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1246 /* compute missing values, prefer sockets over cores over threads */
1247 if (cpus == 0 || sockets == 0) {
1248 sockets = sockets > 0 ? sockets : 1;
1249 cores = cores > 0 ? cores : 1;
1250 threads = threads > 0 ? threads : 1;
1252 cpus = cores * threads * sockets;
1254 } else if (cores == 0) {
1255 threads = threads > 0 ? threads : 1;
1256 cores = cpus / (sockets * threads);
1257 cores = cores > 0 ? cores : 1;
1258 } else if (threads == 0) {
1259 threads = cpus / (cores * sockets);
1260 threads = threads > 0 ? threads : 1;
1261 } else if (sockets * cores * threads < cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) < "
1265 sockets, cores, threads, cpus);
1269 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1271 if (max_cpus > MAX_CPUMASK_BITS) {
1272 error_report("unsupported number of maxcpus");
1276 if (max_cpus < cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1281 if (sockets * cores * threads > max_cpus) {
1282 error_report("cpu topology: "
1283 "sockets (%u) * cores (%u) * threads (%u) > "
1285 sockets, cores, threads, max_cpus);
1291 smp_threads = threads;
1295 Error *blocker = NULL;
1296 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1297 replay_add_blocker(blocker);
1301 static void realtime_init(void)
1304 if (os_mlock() < 0) {
1305 error_report("locking memory failed");
1312 static void configure_msg(QemuOpts *opts)
1314 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1317 /***********************************************************/
1320 typedef struct SemihostingConfig {
1322 SemihostingTarget target;
1325 const char *cmdline; /* concatenated argv */
1326 } SemihostingConfig;
1328 static SemihostingConfig semihosting;
1330 bool semihosting_enabled(void)
1332 return semihosting.enabled;
1335 SemihostingTarget semihosting_get_target(void)
1337 return semihosting.target;
1340 const char *semihosting_get_arg(int i)
1342 if (i >= semihosting.argc) {
1345 return semihosting.argv[i];
1348 int semihosting_get_argc(void)
1350 return semihosting.argc;
1353 const char *semihosting_get_cmdline(void)
1355 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1356 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1358 return semihosting.cmdline;
1361 static int add_semihosting_arg(void *opaque,
1362 const char *name, const char *val,
1365 SemihostingConfig *s = opaque;
1366 if (strcmp(name, "arg") == 0) {
1368 /* one extra element as g_strjoinv() expects NULL-terminated array */
1369 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1370 s->argv[s->argc - 1] = val;
1371 s->argv[s->argc] = NULL;
1376 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1377 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1382 add_semihosting_arg(&semihosting, "arg", file, NULL);
1384 /* split -append and initialize argv[1..n] */
1385 cmd_token = strtok(g_strdup(cmd), " ");
1387 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1388 cmd_token = strtok(NULL, " ");
1392 /* Now we still need this for compatibility with XEN. */
1393 bool has_igd_gfx_passthru;
1394 static void igd_gfx_passthru(void)
1396 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1399 /***********************************************************/
1402 static int usb_device_add(const char *devname)
1404 USBDevice *dev = NULL;
1405 #ifndef CONFIG_LINUX
1409 if (!machine_usb(current_machine)) {
1413 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1414 dev = usbdevice_create(devname);
1418 /* the other ones */
1419 #ifndef CONFIG_LINUX
1420 /* only the linux version is qdev-ified, usb-bsd still needs this */
1421 if (strstart(devname, "host:", &p)) {
1422 dev = usb_host_device_open(usb_bus_find(-1), p);
1432 static int usb_device_del(const char *devname)
1437 if (strstart(devname, "host:", &p)) {
1441 if (!machine_usb(current_machine)) {
1445 p = strchr(devname, '.');
1448 bus_num = strtoul(devname, NULL, 0);
1449 addr = strtoul(p + 1, NULL, 0);
1451 return usb_device_delete_addr(bus_num, addr);
1454 static int usb_parse(const char *cmdline)
1457 r = usb_device_add(cmdline);
1459 error_report("could not add USB device '%s'", cmdline);
1464 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1466 const char *devname = qdict_get_str(qdict, "devname");
1467 if (usb_device_add(devname) < 0) {
1468 error_report("could not add USB device '%s'", devname);
1472 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1474 const char *devname = qdict_get_str(qdict, "devname");
1475 if (usb_device_del(devname) < 0) {
1476 error_report("could not delete USB device '%s'", devname);
1480 /***********************************************************/
1481 /* machine registration */
1483 MachineState *current_machine;
1485 static MachineClass *find_machine(const char *name)
1487 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1488 MachineClass *mc = NULL;
1490 for (el = machines; el; el = el->next) {
1491 MachineClass *temp = el->data;
1493 if (!strcmp(temp->name, name)) {
1498 !strcmp(temp->alias, name)) {
1504 g_slist_free(machines);
1508 MachineClass *find_default_machine(void)
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineClass *mc = NULL;
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *temp = el->data;
1516 if (temp->is_default) {
1522 g_slist_free(machines);
1526 MachineInfoList *qmp_query_machines(Error **errp)
1528 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1529 MachineInfoList *mach_list = NULL;
1531 for (el = machines; el; el = el->next) {
1532 MachineClass *mc = el->data;
1533 MachineInfoList *entry;
1536 info = g_malloc0(sizeof(*info));
1537 if (mc->is_default) {
1538 info->has_is_default = true;
1539 info->is_default = true;
1543 info->has_alias = true;
1544 info->alias = g_strdup(mc->alias);
1547 info->name = g_strdup(mc->name);
1548 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1549 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1551 entry = g_malloc0(sizeof(*entry));
1552 entry->value = info;
1553 entry->next = mach_list;
1557 g_slist_free(machines);
1561 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1563 ObjectProperty *prop;
1564 ObjectPropertyIterator iter;
1566 if (!qemu_opt_has_help_opt(opts)) {
1570 object_property_iter_init(&iter, OBJECT(machine));
1571 while ((prop = object_property_iter_next(&iter))) {
1576 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1577 prop->name, prop->type);
1578 if (prop->description) {
1579 error_printf(" (%s)\n", prop->description);
1588 /***********************************************************/
1589 /* main execution loop */
1591 struct vm_change_state_entry {
1592 VMChangeStateHandler *cb;
1594 QLIST_ENTRY (vm_change_state_entry) entries;
1597 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1599 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1602 VMChangeStateEntry *e;
1604 e = g_malloc0(sizeof (*e));
1608 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1612 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1614 QLIST_REMOVE (e, entries);
1618 void vm_state_notify(int running, RunState state)
1620 VMChangeStateEntry *e, *next;
1622 trace_vm_state_notify(running, state);
1624 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1625 e->cb(e->opaque, running, state);
1629 /* reset/shutdown handler */
1631 typedef struct QEMUResetEntry {
1632 QTAILQ_ENTRY(QEMUResetEntry) entry;
1633 QEMUResetHandler *func;
1637 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1638 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1639 static int reset_requested;
1640 static int shutdown_requested, shutdown_signal = -1;
1641 static pid_t shutdown_pid;
1642 static int powerdown_requested;
1643 static int debug_requested;
1644 static int suspend_requested;
1645 static WakeupReason wakeup_reason;
1646 static NotifierList powerdown_notifiers =
1647 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1648 static NotifierList suspend_notifiers =
1649 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1650 static NotifierList wakeup_notifiers =
1651 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1652 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1654 int qemu_shutdown_requested_get(void)
1656 return shutdown_requested;
1659 int qemu_reset_requested_get(void)
1661 return reset_requested;
1664 static int qemu_shutdown_requested(void)
1666 return atomic_xchg(&shutdown_requested, 0);
1669 static void qemu_kill_report(void)
1671 if (!qtest_driver() && shutdown_signal != -1) {
1672 if (shutdown_pid == 0) {
1673 /* This happens for eg ^C at the terminal, so it's worth
1674 * avoiding printing an odd message in that case.
1676 error_report("terminating on signal %d", shutdown_signal);
1678 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1680 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1681 shutdown_signal, shutdown_pid,
1682 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1683 g_free(shutdown_cmd);
1685 shutdown_signal = -1;
1689 static int qemu_reset_requested(void)
1691 int r = reset_requested;
1692 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1693 reset_requested = 0;
1699 static int qemu_suspend_requested(void)
1701 int r = suspend_requested;
1702 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1703 suspend_requested = 0;
1709 static WakeupReason qemu_wakeup_requested(void)
1711 return wakeup_reason;
1714 static int qemu_powerdown_requested(void)
1716 int r = powerdown_requested;
1717 powerdown_requested = 0;
1721 static int qemu_debug_requested(void)
1723 int r = debug_requested;
1724 debug_requested = 0;
1728 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1730 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1733 re->opaque = opaque;
1734 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1737 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1741 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1742 if (re->func == func && re->opaque == opaque) {
1743 QTAILQ_REMOVE(&reset_handlers, re, entry);
1750 void qemu_devices_reset(void)
1752 QEMUResetEntry *re, *nre;
1754 /* reset all devices */
1755 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1756 re->func(re->opaque);
1760 void qemu_system_reset(bool report)
1764 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1766 cpu_synchronize_all_states();
1768 if (mc && mc->reset) {
1771 qemu_devices_reset();
1774 qapi_event_send_reset(&error_abort);
1776 cpu_synchronize_all_post_reset();
1779 void qemu_system_guest_panicked(void)
1782 current_cpu->crash_occurred = true;
1784 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1785 vm_stop(RUN_STATE_GUEST_PANICKED);
1788 void qemu_system_reset_request(void)
1791 shutdown_requested = 1;
1793 reset_requested = 1;
1796 qemu_notify_event();
1799 static void qemu_system_suspend(void)
1802 notifier_list_notify(&suspend_notifiers, NULL);
1803 runstate_set(RUN_STATE_SUSPENDED);
1804 qapi_event_send_suspend(&error_abort);
1807 void qemu_system_suspend_request(void)
1809 if (runstate_check(RUN_STATE_SUSPENDED)) {
1812 suspend_requested = 1;
1814 qemu_notify_event();
1817 void qemu_register_suspend_notifier(Notifier *notifier)
1819 notifier_list_add(&suspend_notifiers, notifier);
1822 void qemu_system_wakeup_request(WakeupReason reason)
1824 trace_system_wakeup_request(reason);
1826 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1829 if (!(wakeup_reason_mask & (1 << reason))) {
1832 runstate_set(RUN_STATE_RUNNING);
1833 wakeup_reason = reason;
1834 qemu_notify_event();
1837 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1840 wakeup_reason_mask |= (1 << reason);
1842 wakeup_reason_mask &= ~(1 << reason);
1846 void qemu_register_wakeup_notifier(Notifier *notifier)
1848 notifier_list_add(&wakeup_notifiers, notifier);
1851 void qemu_system_killed(int signal, pid_t pid)
1853 shutdown_signal = signal;
1857 /* Cannot call qemu_system_shutdown_request directly because
1858 * we are in a signal handler.
1860 shutdown_requested = 1;
1861 qemu_notify_event();
1864 void qemu_system_shutdown_request(void)
1866 trace_qemu_system_shutdown_request();
1867 replay_shutdown_request();
1868 shutdown_requested = 1;
1869 qemu_notify_event();
1872 static void qemu_system_powerdown(void)
1874 qapi_event_send_powerdown(&error_abort);
1875 notifier_list_notify(&powerdown_notifiers, NULL);
1878 void qemu_system_powerdown_request(void)
1880 trace_qemu_system_powerdown_request();
1881 powerdown_requested = 1;
1882 qemu_notify_event();
1885 void qemu_register_powerdown_notifier(Notifier *notifier)
1887 notifier_list_add(&powerdown_notifiers, notifier);
1890 void qemu_system_debug_request(void)
1892 debug_requested = 1;
1893 qemu_notify_event();
1896 static bool main_loop_should_exit(void)
1899 if (qemu_debug_requested()) {
1900 vm_stop(RUN_STATE_DEBUG);
1902 if (qemu_suspend_requested()) {
1903 qemu_system_suspend();
1905 if (qemu_shutdown_requested()) {
1907 qapi_event_send_shutdown(&error_abort);
1909 vm_stop(RUN_STATE_SHUTDOWN);
1914 if (qemu_reset_requested()) {
1916 qemu_system_reset(VMRESET_REPORT);
1918 if (!runstate_check(RUN_STATE_RUNNING) &&
1919 !runstate_check(RUN_STATE_INMIGRATE)) {
1920 runstate_set(RUN_STATE_PRELAUNCH);
1923 if (qemu_wakeup_requested()) {
1925 qemu_system_reset(VMRESET_SILENT);
1926 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1927 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1929 qapi_event_send_wakeup(&error_abort);
1931 if (qemu_powerdown_requested()) {
1932 qemu_system_powerdown();
1934 if (qemu_vmstop_requested(&r)) {
1940 static void main_loop(void)
1944 #ifdef CONFIG_PROFILER
1948 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1949 #ifdef CONFIG_PROFILER
1950 ti = profile_getclock();
1952 last_io = main_loop_wait(nonblocking);
1953 #ifdef CONFIG_PROFILER
1954 dev_time += profile_getclock() - ti;
1956 } while (!main_loop_should_exit());
1959 static void version(void)
1961 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1962 QEMU_COPYRIGHT "\n");
1965 static void help(int exitcode)
1968 printf("usage: %s [options] [disk_image]\n\n"
1969 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1970 error_get_progname());
1972 #define QEMU_OPTIONS_GENERATE_HELP
1973 #include "qemu-options-wrapper.h"
1975 printf("\nDuring emulation, the following keys are useful:\n"
1976 "ctrl-alt-f toggle full screen\n"
1977 "ctrl-alt-n switch to virtual console 'n'\n"
1978 "ctrl-alt toggle mouse and keyboard grab\n"
1980 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1985 #define HAS_ARG 0x0001
1987 typedef struct QEMUOption {
1994 static const QEMUOption qemu_options[] = {
1995 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1996 #define QEMU_OPTIONS_GENERATE_OPTIONS
1997 #include "qemu-options-wrapper.h"
2001 typedef struct VGAInterfaceInfo {
2002 const char *opt_name; /* option name */
2003 const char *name; /* human-readable name */
2004 /* Class names indicating that support is available.
2005 * If no class is specified, the interface is always available */
2006 const char *class_names[2];
2009 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2015 .name = "standard VGA",
2016 .class_names = { "VGA", "isa-vga" },
2019 .opt_name = "cirrus",
2020 .name = "Cirrus VGA",
2021 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2024 .opt_name = "vmware",
2025 .name = "VMWare SVGA",
2026 .class_names = { "vmware-svga" },
2029 .opt_name = "virtio",
2030 .name = "Virtio VGA",
2031 .class_names = { "virtio-vga" },
2036 .class_names = { "qxl-vga" },
2040 .name = "TCX framebuffer",
2041 .class_names = { "SUNW,tcx" },
2045 .name = "CG3 framebuffer",
2046 .class_names = { "cgthree" },
2049 .opt_name = "xenfb",
2053 static bool vga_interface_available(VGAInterfaceType t)
2055 VGAInterfaceInfo *ti = &vga_interfaces[t];
2057 assert(t < VGA_TYPE_MAX);
2058 return !ti->class_names[0] ||
2059 object_class_by_name(ti->class_names[0]) ||
2060 object_class_by_name(ti->class_names[1]);
2063 static void select_vgahw(const char *p)
2068 assert(vga_interface_type == VGA_NONE);
2069 for (t = 0; t < VGA_TYPE_MAX; t++) {
2070 VGAInterfaceInfo *ti = &vga_interfaces[t];
2071 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2072 if (!vga_interface_available(t)) {
2073 error_report("%s not available", ti->name);
2076 vga_interface_type = t;
2080 if (t == VGA_TYPE_MAX) {
2082 error_report("unknown vga type: %s", p);
2086 const char *nextopt;
2088 if (strstart(opts, ",retrace=", &nextopt)) {
2090 if (strstart(opts, "dumb", &nextopt))
2091 vga_retrace_method = VGA_RETRACE_DUMB;
2092 else if (strstart(opts, "precise", &nextopt))
2093 vga_retrace_method = VGA_RETRACE_PRECISE;
2094 else goto invalid_vga;
2095 } else goto invalid_vga;
2100 typedef enum DisplayType {
2109 static DisplayType select_display(const char *p)
2112 DisplayType display = DT_DEFAULT;
2114 if (strstart(p, "sdl", &opts)) {
2118 const char *nextopt;
2120 if (strstart(opts, ",frame=", &nextopt)) {
2122 if (strstart(opts, "on", &nextopt)) {
2124 } else if (strstart(opts, "off", &nextopt)) {
2127 goto invalid_sdl_args;
2129 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2131 if (strstart(opts, "on", &nextopt)) {
2133 } else if (strstart(opts, "off", &nextopt)) {
2136 goto invalid_sdl_args;
2138 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2140 if (strstart(opts, "on", &nextopt)) {
2142 } else if (strstart(opts, "off", &nextopt)) {
2145 goto invalid_sdl_args;
2147 } else if (strstart(opts, ",window_close=", &nextopt)) {
2149 if (strstart(opts, "on", &nextopt)) {
2151 } else if (strstart(opts, "off", &nextopt)) {
2154 goto invalid_sdl_args;
2156 } else if (strstart(opts, ",gl=", &nextopt)) {
2158 if (strstart(opts, "on", &nextopt)) {
2160 } else if (strstart(opts, "off", &nextopt)) {
2163 goto invalid_sdl_args;
2167 error_report("invalid SDL option string");
2173 error_report("SDL support is disabled");
2176 } else if (strstart(p, "vnc", &opts)) {
2178 vnc_parse(opts + 1, &error_fatal);
2180 error_report("VNC requires a display argument vnc=<display>");
2183 } else if (strstart(p, "curses", &opts)) {
2184 #ifdef CONFIG_CURSES
2185 display = DT_CURSES;
2187 error_report("curses support is disabled");
2190 } else if (strstart(p, "gtk", &opts)) {
2194 const char *nextopt;
2196 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2198 if (strstart(opts, "on", &nextopt)) {
2199 grab_on_hover = true;
2200 } else if (strstart(opts, "off", &nextopt)) {
2201 grab_on_hover = false;
2203 goto invalid_gtk_args;
2205 } else if (strstart(opts, ",gl=", &nextopt)) {
2207 if (strstart(opts, "on", &nextopt)) {
2209 } else if (strstart(opts, "off", &nextopt)) {
2212 goto invalid_gtk_args;
2216 error_report("invalid GTK option string");
2222 error_report("GTK support is disabled");
2225 } else if (strstart(p, "none", &opts)) {
2228 error_report("unknown display type");
2235 static int balloon_parse(const char *arg)
2239 if (strcmp(arg, "none") == 0) {
2243 if (!strncmp(arg, "virtio", 6)) {
2244 if (arg[6] == ',') {
2245 /* have params -> parse them */
2246 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2251 /* create empty opts */
2252 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2255 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2262 char *qemu_find_file(int type, const char *name)
2268 /* Try the name as a straight path first */
2269 if (access(name, R_OK) == 0) {
2270 trace_load_file(name, name);
2271 return g_strdup(name);
2275 case QEMU_FILE_TYPE_BIOS:
2278 case QEMU_FILE_TYPE_KEYMAP:
2279 subdir = "keymaps/";
2285 for (i = 0; i < data_dir_idx; i++) {
2286 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2287 if (access(buf, R_OK) == 0) {
2288 trace_load_file(name, buf);
2296 static inline bool nonempty_str(const char *str)
2301 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2305 const char *name, *file, *str;
2306 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2308 if (fw_cfg == NULL) {
2309 error_report("fw_cfg device not available");
2312 name = qemu_opt_get(opts, "name");
2313 file = qemu_opt_get(opts, "file");
2314 str = qemu_opt_get(opts, "string");
2316 /* we need name and either a file or the content string */
2317 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2318 error_report("invalid argument(s)");
2321 if (nonempty_str(file) && nonempty_str(str)) {
2322 error_report("file and string are mutually exclusive");
2325 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2326 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2329 if (strncmp(name, "opt/", 4) != 0) {
2330 error_report("warning: externally provided fw_cfg item names "
2331 "should be prefixed with \"opt/\"");
2333 if (nonempty_str(str)) {
2334 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2335 buf = g_memdup(str, size);
2337 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2338 error_report("can't load %s", file);
2342 /* For legacy, keep user files in a specific global order. */
2343 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2344 fw_cfg_add_file(fw_cfg, name, buf, size);
2345 fw_cfg_reset_order_override(fw_cfg);
2349 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2351 return qdev_device_help(opts);
2354 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2359 dev = qdev_device_add(opts, &err);
2361 error_report_err(err);
2364 object_unref(OBJECT(dev));
2368 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2370 Error *local_err = NULL;
2372 qemu_chr_new_from_opts(opts, &local_err);
2374 error_report_err(local_err);
2380 #ifdef CONFIG_VIRTFS
2381 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 return qemu_fsdev_add(opts);
2387 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2389 CharDriverState *chr;
2390 const char *chardev;
2394 mode = qemu_opt_get(opts, "mode");
2398 if (strcmp(mode, "readline") == 0) {
2399 flags = MONITOR_USE_READLINE;
2400 } else if (strcmp(mode, "control") == 0) {
2401 flags = MONITOR_USE_CONTROL;
2403 error_report("unknown monitor mode \"%s\"", mode);
2407 if (qemu_opt_get_bool(opts, "pretty", 0))
2408 flags |= MONITOR_USE_PRETTY;
2410 if (qemu_opt_get_bool(opts, "default", 0))
2411 flags |= MONITOR_IS_DEFAULT;
2413 chardev = qemu_opt_get(opts, "chardev");
2414 chr = qemu_chr_find(chardev);
2416 error_report("chardev \"%s\" not found", chardev);
2420 monitor_init(chr, flags);
2424 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2426 static int monitor_device_index = 0;
2432 if (strstart(optarg, "chardev:", &p)) {
2433 snprintf(label, sizeof(label), "%s", p);
2435 snprintf(label, sizeof(label), "compat_monitor%d",
2436 monitor_device_index);
2437 if (monitor_device_index == 0) {
2440 opts = qemu_chr_parse_compat(label, optarg);
2442 error_report("parse error: %s", optarg);
2447 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2448 qemu_opt_set(opts, "mode", mode, &error_abort);
2449 qemu_opt_set(opts, "chardev", label, &error_abort);
2450 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2452 qemu_opt_set(opts, "default", "on", &error_abort);
2453 monitor_device_index++;
2456 struct device_config {
2458 DEV_USB, /* -usbdevice */
2460 DEV_SERIAL, /* -serial */
2461 DEV_PARALLEL, /* -parallel */
2462 DEV_VIRTCON, /* -virtioconsole */
2463 DEV_DEBUGCON, /* -debugcon */
2464 DEV_GDB, /* -gdb, -s */
2465 DEV_SCLP, /* s390 sclp */
2467 const char *cmdline;
2469 QTAILQ_ENTRY(device_config) next;
2472 static QTAILQ_HEAD(, device_config) device_configs =
2473 QTAILQ_HEAD_INITIALIZER(device_configs);
2475 static void add_device_config(int type, const char *cmdline)
2477 struct device_config *conf;
2479 conf = g_malloc0(sizeof(*conf));
2481 conf->cmdline = cmdline;
2482 loc_save(&conf->loc);
2483 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2486 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2488 struct device_config *conf;
2491 QTAILQ_FOREACH(conf, &device_configs, next) {
2492 if (conf->type != type)
2494 loc_push_restore(&conf->loc);
2495 rc = func(conf->cmdline);
2496 loc_pop(&conf->loc);
2504 static int serial_parse(const char *devname)
2506 static int index = 0;
2509 if (strcmp(devname, "none") == 0)
2511 if (index == MAX_SERIAL_PORTS) {
2512 error_report("too many serial ports");
2515 snprintf(label, sizeof(label), "serial%d", index);
2516 serial_hds[index] = qemu_chr_new(label, devname);
2517 if (!serial_hds[index]) {
2518 error_report("could not connect serial device"
2519 " to character backend '%s'", devname);
2526 static int parallel_parse(const char *devname)
2528 static int index = 0;
2531 if (strcmp(devname, "none") == 0)
2533 if (index == MAX_PARALLEL_PORTS) {
2534 error_report("too many parallel ports");
2537 snprintf(label, sizeof(label), "parallel%d", index);
2538 parallel_hds[index] = qemu_chr_new(label, devname);
2539 if (!parallel_hds[index]) {
2540 error_report("could not connect parallel device"
2541 " to character backend '%s'", devname);
2548 static int virtcon_parse(const char *devname)
2550 QemuOptsList *device = qemu_find_opts("device");
2551 static int index = 0;
2553 QemuOpts *bus_opts, *dev_opts;
2555 if (strcmp(devname, "none") == 0)
2557 if (index == MAX_VIRTIO_CONSOLES) {
2558 error_report("too many virtio consoles");
2562 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2565 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2566 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2568 snprintf(label, sizeof(label), "virtcon%d", index);
2569 virtcon_hds[index] = qemu_chr_new(label, devname);
2570 if (!virtcon_hds[index]) {
2571 error_report("could not connect virtio console"
2572 " to character backend '%s'", devname);
2575 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2581 static int sclp_parse(const char *devname)
2583 QemuOptsList *device = qemu_find_opts("device");
2584 static int index = 0;
2588 if (strcmp(devname, "none") == 0) {
2591 if (index == MAX_SCLP_CONSOLES) {
2592 error_report("too many sclp consoles");
2596 assert(arch_type == QEMU_ARCH_S390X);
2598 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2599 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2601 snprintf(label, sizeof(label), "sclpcon%d", index);
2602 sclp_hds[index] = qemu_chr_new(label, devname);
2603 if (!sclp_hds[index]) {
2604 error_report("could not connect sclp console"
2605 " to character backend '%s'", devname);
2608 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2614 static int debugcon_parse(const char *devname)
2618 if (!qemu_chr_new("debugcon", devname)) {
2621 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2623 error_report("already have a debugcon device");
2626 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2627 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2631 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2633 const MachineClass *mc1 = a, *mc2 = b;
2636 if (mc1->family == NULL) {
2637 if (mc2->family == NULL) {
2638 /* Compare standalone machine types against each other; they sort
2639 * in increasing order.
2641 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2642 object_class_get_name(OBJECT_CLASS(mc2)));
2645 /* Standalone machine types sort after families. */
2649 if (mc2->family == NULL) {
2650 /* Families sort before standalone machine types. */
2654 /* Families sort between each other alphabetically increasingly. */
2655 res = strcmp(mc1->family, mc2->family);
2660 /* Within the same family, machine types sort in decreasing order. */
2661 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2662 object_class_get_name(OBJECT_CLASS(mc1)));
2665 static MachineClass *machine_parse(const char *name)
2667 MachineClass *mc = NULL;
2668 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2671 mc = find_machine(name);
2674 g_slist_free(machines);
2677 if (name && !is_help_option(name)) {
2678 error_report("unsupported machine type");
2679 error_printf("Use -machine help to list supported machines\n");
2681 printf("Supported machines are:\n");
2682 machines = g_slist_sort(machines, machine_class_cmp);
2683 for (el = machines; el; el = el->next) {
2684 MachineClass *mc = el->data;
2686 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2688 printf("%-20s %s%s\n", mc->name, mc->desc,
2689 mc->is_default ? " (default)" : "");
2693 g_slist_free(machines);
2694 exit(!name || !is_help_option(name));
2697 void qemu_add_exit_notifier(Notifier *notify)
2699 notifier_list_add(&exit_notifiers, notify);
2702 void qemu_remove_exit_notifier(Notifier *notify)
2704 notifier_remove(notify);
2707 static void qemu_run_exit_notifiers(void)
2709 notifier_list_notify(&exit_notifiers, NULL);
2712 static bool machine_init_done;
2714 void qemu_add_machine_init_done_notifier(Notifier *notify)
2716 notifier_list_add(&machine_init_done_notifiers, notify);
2717 if (machine_init_done) {
2718 notify->notify(notify, NULL);
2722 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2724 notifier_remove(notify);
2727 static void qemu_run_machine_init_done_notifiers(void)
2729 notifier_list_notify(&machine_init_done_notifiers, NULL);
2730 machine_init_done = true;
2733 static const QEMUOption *lookup_opt(int argc, char **argv,
2734 const char **poptarg, int *poptind)
2736 const QEMUOption *popt;
2737 int optind = *poptind;
2738 char *r = argv[optind];
2741 loc_set_cmdline(argv, optind, 1);
2743 /* Treat --foo the same as -foo. */
2746 popt = qemu_options;
2749 error_report("invalid option");
2752 if (!strcmp(popt->name, r + 1))
2756 if (popt->flags & HAS_ARG) {
2757 if (optind >= argc) {
2758 error_report("requires an argument");
2761 optarg = argv[optind++];
2762 loc_set_cmdline(argv, optind - 2, 2);
2773 static MachineClass *select_machine(void)
2775 MachineClass *machine_class = find_default_machine();
2780 loc_push_none(&loc);
2782 opts = qemu_get_machine_opts();
2783 qemu_opts_loc_restore(opts);
2785 optarg = qemu_opt_get(opts, "type");
2787 machine_class = machine_parse(optarg);
2790 if (!machine_class) {
2791 error_report("No machine specified, and there is no default");
2792 error_printf("Use -machine help to list supported machines\n");
2797 return machine_class;
2800 static int machine_set_property(void *opaque,
2801 const char *name, const char *value,
2804 Object *obj = OBJECT(opaque);
2805 Error *local_err = NULL;
2808 if (strcmp(name, "type") == 0) {
2812 qom_name = g_strdup(name);
2813 for (p = qom_name; *p; p++) {
2819 object_property_parse(obj, value, qom_name, &local_err);
2823 error_report_err(local_err);
2832 * Initial object creation happens before all other
2833 * QEMU data types are created. The majority of objects
2834 * can be created at this point. The rng-egd object
2835 * cannot be created here, as it depends on the chardev
2838 static bool object_create_initial(const char *type)
2840 if (g_str_equal(type, "rng-egd")) {
2845 * return false for concrete netfilters since
2846 * they depend on netdevs already existing
2848 if (g_str_equal(type, "filter-buffer") ||
2849 g_str_equal(type, "filter-dump") ||
2850 g_str_equal(type, "filter-mirror") ||
2851 g_str_equal(type, "filter-redirector") ||
2852 g_str_equal(type, "colo-compare") ||
2853 g_str_equal(type, "filter-rewriter")) {
2857 /* Memory allocation by backends needs to be done
2858 * after configure_accelerator() (due to the tcg_enabled()
2859 * checks at memory_region_init_*()).
2861 * Also, allocation of large amounts of memory may delay
2862 * chardev initialization for too long, and trigger timeouts
2863 * on software that waits for a monitor socket to be created
2866 if (g_str_has_prefix(type, "memory-backend-")) {
2875 * The remainder of object creation happens after the
2876 * creation of chardev, fsdev, net clients and device data types.
2878 static bool object_create_delayed(const char *type)
2880 return !object_create_initial(type);
2884 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2888 const char *mem_str;
2889 const char *maxmem_str, *slots_str;
2890 const ram_addr_t default_ram_size = mc->default_ram_size;
2891 QemuOpts *opts = qemu_find_opts_singleton("memory");
2894 loc_push_none(&loc);
2895 qemu_opts_loc_restore(opts);
2898 mem_str = qemu_opt_get(opts, "size");
2901 error_report("missing 'size' option value");
2905 sz = qemu_opt_get_size(opts, "size", ram_size);
2907 /* Fix up legacy suffix-less format */
2908 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2909 uint64_t overflow_check = sz;
2912 if ((sz >> 20) != overflow_check) {
2913 error_report("too large 'size' option value");
2919 /* backward compatibility behaviour for case "-m 0" */
2921 sz = default_ram_size;
2924 sz = QEMU_ALIGN_UP(sz, 8192);
2926 if (ram_size != sz) {
2927 error_report("ram size too large");
2931 /* store value for the future use */
2932 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2933 *maxram_size = ram_size;
2935 maxmem_str = qemu_opt_get(opts, "maxmem");
2936 slots_str = qemu_opt_get(opts, "slots");
2937 if (maxmem_str && slots_str) {
2940 sz = qemu_opt_get_size(opts, "maxmem", 0);
2941 slots = qemu_opt_get_number(opts, "slots", 0);
2942 if (sz < ram_size) {
2943 error_report("invalid value of -m option maxmem: "
2944 "maximum memory size (0x%" PRIx64 ") must be at least "
2945 "the initial memory size (0x" RAM_ADDR_FMT ")",
2948 } else if (sz > ram_size) {
2950 error_report("invalid value of -m option: maxmem was "
2951 "specified, but no hotplug slots were specified");
2955 error_report("invalid value of -m option maxmem: "
2956 "memory slots were specified but maximum memory size "
2957 "(0x%" PRIx64 ") is equal to the initial memory size "
2958 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2964 } else if ((!maxmem_str && slots_str) ||
2965 (maxmem_str && !slots_str)) {
2966 error_report("invalid -m option value: missing "
2967 "'%s' option", slots_str ? "maxmem" : "slots");
2974 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2978 g = g_malloc0(sizeof(*g));
2979 g->driver = qemu_opt_get(opts, "driver");
2980 g->property = qemu_opt_get(opts, "property");
2981 g->value = qemu_opt_get(opts, "value");
2982 g->user_provided = true;
2983 g->errp = &error_fatal;
2984 qdev_prop_register_global(g);
2988 int main(int argc, char **argv, char **envp)
2991 int snapshot, linux_boot;
2992 const char *initrd_filename;
2993 const char *kernel_filename, *kernel_cmdline;
2994 const char *boot_order = NULL;
2995 const char *boot_once = NULL;
2997 int cyls, heads, secs, translation;
2998 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2999 QemuOptsList *olist;
3002 const char *loadvm = NULL;
3003 MachineClass *machine_class;
3004 const char *cpu_model;
3005 const char *vga_model = NULL;
3006 const char *qtest_chrdev = NULL;
3007 const char *qtest_log = NULL;
3008 const char *pid_file = NULL;
3009 const char *incoming = NULL;
3010 bool defconfig = true;
3011 bool userconfig = true;
3012 bool nographic = false;
3013 DisplayType display_type = DT_DEFAULT;
3014 int display_remote = 0;
3015 const char *log_mask = NULL;
3016 const char *log_file = NULL;
3017 char *trace_file = NULL;
3018 ram_addr_t maxram_size;
3019 uint64_t ram_slots = 0;
3020 FILE *vmstate_dump_file = NULL;
3021 Error *main_loop_err = NULL;
3023 bool list_data_dirs = false;
3025 module_call_init(MODULE_INIT_TRACE);
3027 qemu_init_cpu_list();
3028 qemu_init_cpu_loop();
3029 qemu_mutex_lock_iothread();
3031 atexit(qemu_run_exit_notifiers);
3032 error_set_progname(argv[0]);
3033 qemu_init_exec_dir(argv[0]);
3035 module_call_init(MODULE_INIT_QOM);
3036 module_call_init(MODULE_INIT_QAPI);
3038 qemu_add_opts(&qemu_drive_opts);
3039 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3040 qemu_add_drive_opts(&qemu_common_drive_opts);
3041 qemu_add_drive_opts(&qemu_drive_opts);
3042 qemu_add_drive_opts(&bdrv_runtime_opts);
3043 qemu_add_opts(&qemu_chardev_opts);
3044 qemu_add_opts(&qemu_device_opts);
3045 qemu_add_opts(&qemu_netdev_opts);
3046 qemu_add_opts(&qemu_net_opts);
3047 qemu_add_opts(&qemu_rtc_opts);
3048 qemu_add_opts(&qemu_global_opts);
3049 qemu_add_opts(&qemu_mon_opts);
3050 qemu_add_opts(&qemu_trace_opts);
3051 qemu_add_opts(&qemu_option_rom_opts);
3052 qemu_add_opts(&qemu_machine_opts);
3053 qemu_add_opts(&qemu_mem_opts);
3054 qemu_add_opts(&qemu_smp_opts);
3055 qemu_add_opts(&qemu_boot_opts);
3056 qemu_add_opts(&qemu_sandbox_opts);
3057 qemu_add_opts(&qemu_add_fd_opts);
3058 qemu_add_opts(&qemu_object_opts);
3059 qemu_add_opts(&qemu_tpmdev_opts);
3060 qemu_add_opts(&qemu_realtime_opts);
3061 qemu_add_opts(&qemu_msg_opts);
3062 qemu_add_opts(&qemu_name_opts);
3063 qemu_add_opts(&qemu_numa_opts);
3064 qemu_add_opts(&qemu_icount_opts);
3065 qemu_add_opts(&qemu_semihosting_config_opts);
3066 qemu_add_opts(&qemu_fw_cfg_opts);
3067 #ifdef CONFIG_LIBISCSI
3068 qemu_add_opts(&qemu_iscsi_opts);
3070 module_call_init(MODULE_INIT_OPTS);
3074 if (qcrypto_init(&err) < 0) {
3075 error_reportf_err(err, "cannot initialize crypto: ");
3078 rtc_clock = QEMU_CLOCK_HOST;
3080 QLIST_INIT (&vm_change_state_head);
3081 os_setup_early_signal_handling();
3085 cyls = heads = secs = 0;
3086 translation = BIOS_ATA_TRANSLATION_AUTO;
3090 bdrv_init_with_whitelist();
3094 /* first pass of option parsing */
3096 while (optind < argc) {
3097 if (argv[optind][0] != '-') {
3101 const QEMUOption *popt;
3103 popt = lookup_opt(argc, argv, &optarg, &optind);
3104 switch (popt->index) {
3105 case QEMU_OPTION_nodefconfig:
3108 case QEMU_OPTION_nouserconfig:
3117 ret = qemu_read_default_config_files(userconfig);
3123 /* second pass of option parsing */
3128 if (argv[optind][0] != '-') {
3129 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3131 const QEMUOption *popt;
3133 popt = lookup_opt(argc, argv, &optarg, &optind);
3134 if (!(popt->arch_mask & arch_type)) {
3135 error_report("Option not supported for this target");
3138 switch(popt->index) {
3139 case QEMU_OPTION_no_kvm_irqchip: {
3140 olist = qemu_find_opts("machine");
3141 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3144 case QEMU_OPTION_cpu:
3145 /* hw initialization will check this */
3148 case QEMU_OPTION_hda:
3152 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3154 snprintf(buf, sizeof(buf),
3155 "%s,cyls=%d,heads=%d,secs=%d%s",
3156 HD_OPTS , cyls, heads, secs,
3157 translation == BIOS_ATA_TRANSLATION_LBA ?
3159 translation == BIOS_ATA_TRANSLATION_NONE ?
3160 ",trans=none" : "");
3161 drive_add(IF_DEFAULT, 0, optarg, buf);
3164 case QEMU_OPTION_hdb:
3165 case QEMU_OPTION_hdc:
3166 case QEMU_OPTION_hdd:
3167 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3170 case QEMU_OPTION_drive:
3171 if (drive_def(optarg) == NULL) {
3175 case QEMU_OPTION_set:
3176 if (qemu_set_option(optarg) != 0)
3179 case QEMU_OPTION_global:
3180 if (qemu_global_option(optarg) != 0)
3183 case QEMU_OPTION_mtdblock:
3184 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3186 case QEMU_OPTION_sd:
3187 drive_add(IF_SD, -1, optarg, SD_OPTS);
3189 case QEMU_OPTION_pflash:
3190 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3192 case QEMU_OPTION_snapshot:
3195 case QEMU_OPTION_hdachs:
3199 cyls = strtol(p, (char **)&p, 0);
3200 if (cyls < 1 || cyls > 16383)
3205 heads = strtol(p, (char **)&p, 0);
3206 if (heads < 1 || heads > 16)
3211 secs = strtol(p, (char **)&p, 0);
3212 if (secs < 1 || secs > 63)
3216 if (!strcmp(p, "large")) {
3217 translation = BIOS_ATA_TRANSLATION_LARGE;
3218 } else if (!strcmp(p, "rechs")) {
3219 translation = BIOS_ATA_TRANSLATION_RECHS;
3220 } else if (!strcmp(p, "none")) {
3221 translation = BIOS_ATA_TRANSLATION_NONE;
3222 } else if (!strcmp(p, "lba")) {
3223 translation = BIOS_ATA_TRANSLATION_LBA;
3224 } else if (!strcmp(p, "auto")) {
3225 translation = BIOS_ATA_TRANSLATION_AUTO;
3229 } else if (*p != '\0') {
3231 error_report("invalid physical CHS format");
3234 if (hda_opts != NULL) {
3235 qemu_opt_set_number(hda_opts, "cyls", cyls,
3237 qemu_opt_set_number(hda_opts, "heads", heads,
3239 qemu_opt_set_number(hda_opts, "secs", secs,
3241 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3242 qemu_opt_set(hda_opts, "trans", "large",
3244 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3245 qemu_opt_set(hda_opts, "trans", "rechs",
3247 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3248 qemu_opt_set(hda_opts, "trans", "lba",
3250 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3251 qemu_opt_set(hda_opts, "trans", "none",
3257 case QEMU_OPTION_numa:
3258 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3264 case QEMU_OPTION_display:
3265 display_type = select_display(optarg);
3267 case QEMU_OPTION_nographic:
3268 olist = qemu_find_opts("machine");
3269 qemu_opts_parse_noisily(olist, "graphics=off", false);
3271 display_type = DT_NONE;
3273 case QEMU_OPTION_curses:
3274 #ifdef CONFIG_CURSES
3275 display_type = DT_CURSES;
3277 error_report("curses support is disabled");
3281 case QEMU_OPTION_portrait:
3282 graphic_rotate = 90;
3284 case QEMU_OPTION_rotate:
3285 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3286 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3287 graphic_rotate != 180 && graphic_rotate != 270) {
3288 error_report("only 90, 180, 270 deg rotation is available");
3292 case QEMU_OPTION_kernel:
3293 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3296 case QEMU_OPTION_initrd:
3297 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3300 case QEMU_OPTION_append:
3301 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3304 case QEMU_OPTION_dtb:
3305 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3308 case QEMU_OPTION_cdrom:
3309 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3311 case QEMU_OPTION_boot:
3312 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3318 case QEMU_OPTION_fda:
3319 case QEMU_OPTION_fdb:
3320 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3323 case QEMU_OPTION_no_fd_bootchk:
3326 case QEMU_OPTION_netdev:
3328 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3332 case QEMU_OPTION_net:
3334 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3338 #ifdef CONFIG_LIBISCSI
3339 case QEMU_OPTION_iscsi:
3340 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3348 case QEMU_OPTION_tftp:
3349 error_report("The -tftp option is deprecated. "
3350 "Please use '-netdev user,tftp=...' instead.");
3351 legacy_tftp_prefix = optarg;
3353 case QEMU_OPTION_bootp:
3354 error_report("The -bootp option is deprecated. "
3355 "Please use '-netdev user,bootfile=...' instead.");
3356 legacy_bootp_filename = optarg;
3358 case QEMU_OPTION_redir:
3359 error_report("The -redir option is deprecated. "
3360 "Please use '-netdev user,hostfwd=...' instead.");
3361 if (net_slirp_redir(optarg) < 0)
3365 case QEMU_OPTION_bt:
3366 add_device_config(DEV_BT, optarg);
3368 case QEMU_OPTION_audio_help:
3372 case QEMU_OPTION_soundhw:
3373 select_soundhw (optarg);
3378 case QEMU_OPTION_version:
3383 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3390 case QEMU_OPTION_tpmdev:
3391 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3396 case QEMU_OPTION_mempath:
3399 case QEMU_OPTION_mem_prealloc:
3408 case QEMU_OPTION_DFILTER:
3409 qemu_set_dfilter_ranges(optarg, &error_fatal);
3412 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3414 case QEMU_OPTION_gdb:
3415 add_device_config(DEV_GDB, optarg);
3418 if (is_help_option(optarg)) {
3419 list_data_dirs = true;
3420 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3421 data_dir[data_dir_idx++] = optarg;
3424 case QEMU_OPTION_bios:
3425 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3428 case QEMU_OPTION_singlestep:
3435 keyboard_layout = optarg;
3437 case QEMU_OPTION_localtime:
3440 case QEMU_OPTION_vga:
3449 w = strtol(p, (char **)&p, 10);
3452 error_report("invalid resolution or depth");
3458 h = strtol(p, (char **)&p, 10);
3463 depth = strtol(p, (char **)&p, 10);
3464 if (depth != 8 && depth != 15 && depth != 16 &&
3465 depth != 24 && depth != 32)
3467 } else if (*p == '\0') {
3468 depth = graphic_depth;
3475 graphic_depth = depth;
3478 case QEMU_OPTION_echr:
3481 term_escape_char = strtol(optarg, &r, 0);
3483 printf("Bad argument to echr\n");
3486 case QEMU_OPTION_monitor:
3487 default_monitor = 0;
3488 if (strncmp(optarg, "none", 4)) {
3489 monitor_parse(optarg, "readline", false);
3492 case QEMU_OPTION_qmp:
3493 monitor_parse(optarg, "control", false);
3494 default_monitor = 0;
3496 case QEMU_OPTION_qmp_pretty:
3497 monitor_parse(optarg, "control", true);
3498 default_monitor = 0;
3500 case QEMU_OPTION_mon:
3501 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3506 default_monitor = 0;
3508 case QEMU_OPTION_chardev:
3509 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3515 case QEMU_OPTION_fsdev:
3516 olist = qemu_find_opts("fsdev");
3518 error_report("fsdev support is disabled");
3521 opts = qemu_opts_parse_noisily(olist, optarg, true);
3526 case QEMU_OPTION_virtfs: {
3529 const char *writeout, *sock_fd, *socket;
3531 olist = qemu_find_opts("virtfs");
3533 error_report("virtfs support is disabled");
3536 opts = qemu_opts_parse_noisily(olist, optarg, true);
3541 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3542 qemu_opt_get(opts, "mount_tag") == NULL) {
3543 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3546 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3547 qemu_opt_get(opts, "mount_tag"),
3550 error_report("duplicate fsdev id: %s",
3551 qemu_opt_get(opts, "mount_tag"));
3555 writeout = qemu_opt_get(opts, "writeout");
3557 #ifdef CONFIG_SYNC_FILE_RANGE
3558 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3560 error_report("writeout=immediate not supported "
3561 "on this platform");
3565 qemu_opt_set(fsdev, "fsdriver",
3566 qemu_opt_get(opts, "fsdriver"), &error_abort);
3567 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3569 qemu_opt_set(fsdev, "security_model",
3570 qemu_opt_get(opts, "security_model"),
3572 socket = qemu_opt_get(opts, "socket");
3574 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3576 sock_fd = qemu_opt_get(opts, "sock_fd");
3578 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3581 qemu_opt_set_bool(fsdev, "readonly",
3582 qemu_opt_get_bool(opts, "readonly", 0),
3584 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3586 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3587 qemu_opt_set(device, "fsdev",
3588 qemu_opt_get(opts, "mount_tag"), &error_abort);
3589 qemu_opt_set(device, "mount_tag",
3590 qemu_opt_get(opts, "mount_tag"), &error_abort);
3593 case QEMU_OPTION_virtfs_synth: {
3597 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3600 error_report("duplicate option: %s", "virtfs_synth");
3603 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3605 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3607 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3608 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3609 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3612 case QEMU_OPTION_serial:
3613 add_device_config(DEV_SERIAL, optarg);
3615 if (strncmp(optarg, "mon:", 4) == 0) {
3616 default_monitor = 0;
3619 case QEMU_OPTION_watchdog:
3621 error_report("only one watchdog option may be given");
3626 case QEMU_OPTION_watchdog_action:
3627 if (select_watchdog_action(optarg) == -1) {
3628 error_report("unknown -watchdog-action parameter");
3632 case QEMU_OPTION_virtiocon:
3633 add_device_config(DEV_VIRTCON, optarg);
3634 default_virtcon = 0;
3635 if (strncmp(optarg, "mon:", 4) == 0) {
3636 default_monitor = 0;
3639 case QEMU_OPTION_parallel:
3640 add_device_config(DEV_PARALLEL, optarg);
3641 default_parallel = 0;
3642 if (strncmp(optarg, "mon:", 4) == 0) {
3643 default_monitor = 0;
3646 case QEMU_OPTION_debugcon:
3647 add_device_config(DEV_DEBUGCON, optarg);
3649 case QEMU_OPTION_loadvm:
3652 case QEMU_OPTION_full_screen:
3655 case QEMU_OPTION_no_frame:
3658 case QEMU_OPTION_alt_grab:
3661 case QEMU_OPTION_ctrl_grab:
3664 case QEMU_OPTION_no_quit:
3667 case QEMU_OPTION_sdl:
3669 display_type = DT_SDL;
3672 error_report("SDL support is disabled");
3675 case QEMU_OPTION_pidfile:
3678 case QEMU_OPTION_win2k_hack:
3679 win2k_install_hack = 1;
3681 case QEMU_OPTION_rtc_td_hack: {
3682 static GlobalProperty slew_lost_ticks = {
3683 .driver = "mc146818rtc",
3684 .property = "lost_tick_policy",
3688 qdev_prop_register_global(&slew_lost_ticks);
3691 case QEMU_OPTION_acpitable:
3692 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3697 do_acpitable_option(opts);
3699 case QEMU_OPTION_smbios:
3700 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3705 do_smbios_option(opts);
3707 case QEMU_OPTION_fwcfg:
3708 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3714 case QEMU_OPTION_enable_kvm:
3715 olist = qemu_find_opts("machine");
3716 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3719 case QEMU_OPTION_machine:
3720 olist = qemu_find_opts("machine");
3721 opts = qemu_opts_parse_noisily(olist, optarg, true);
3726 case QEMU_OPTION_no_kvm:
3727 olist = qemu_find_opts("machine");
3728 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3730 case QEMU_OPTION_no_kvm_pit: {
3731 error_report("warning: ignoring deprecated option");
3734 case QEMU_OPTION_no_kvm_pit_reinjection: {
3735 static GlobalProperty kvm_pit_lost_tick_policy = {
3736 .driver = "kvm-pit",
3737 .property = "lost_tick_policy",
3741 error_report("warning: deprecated, replaced by "
3742 "-global kvm-pit.lost_tick_policy=discard");
3743 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3746 case QEMU_OPTION_usb:
3747 olist = qemu_find_opts("machine");
3748 qemu_opts_parse_noisily(olist, "usb=on", false);
3750 case QEMU_OPTION_usbdevice:
3751 olist = qemu_find_opts("machine");
3752 qemu_opts_parse_noisily(olist, "usb=on", false);
3753 add_device_config(DEV_USB, optarg);
3755 case QEMU_OPTION_device:
3756 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3761 case QEMU_OPTION_smp:
3762 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3767 case QEMU_OPTION_vnc:
3768 vnc_parse(optarg, &error_fatal);
3770 case QEMU_OPTION_no_acpi:
3773 case QEMU_OPTION_no_hpet:
3776 case QEMU_OPTION_balloon:
3777 if (balloon_parse(optarg) < 0) {
3778 error_report("unknown -balloon argument %s", optarg);
3782 case QEMU_OPTION_no_reboot:
3785 case QEMU_OPTION_no_shutdown:
3788 case QEMU_OPTION_show_cursor:
3791 case QEMU_OPTION_uuid:
3792 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3793 error_report("failed to parse UUID string: wrong format");
3796 qemu_uuid_set = true;
3798 case QEMU_OPTION_option_rom:
3799 if (nb_option_roms >= MAX_OPTION_ROMS) {
3800 error_report("too many option ROMs");
3803 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3808 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3809 option_rom[nb_option_roms].bootindex =
3810 qemu_opt_get_number(opts, "bootindex", -1);
3811 if (!option_rom[nb_option_roms].name) {
3812 error_report("Option ROM file is not specified");
3817 case QEMU_OPTION_semihosting:
3818 semihosting.enabled = true;
3819 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3821 case QEMU_OPTION_semihosting_config:
3822 semihosting.enabled = true;
3823 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3826 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3828 const char *target = qemu_opt_get(opts, "target");
3829 if (target != NULL) {
3830 if (strcmp("native", target) == 0) {
3831 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3832 } else if (strcmp("gdb", target) == 0) {
3833 semihosting.target = SEMIHOSTING_TARGET_GDB;
3834 } else if (strcmp("auto", target) == 0) {
3835 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3837 error_report("unsupported semihosting-config %s",
3842 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3844 /* Set semihosting argument count and vector */
3845 qemu_opt_foreach(opts, add_semihosting_arg,
3846 &semihosting, NULL);
3848 error_report("unsupported semihosting-config %s", optarg);
3852 case QEMU_OPTION_tdf:
3853 error_report("warning: ignoring deprecated option");
3855 case QEMU_OPTION_name:
3856 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3862 case QEMU_OPTION_prom_env:
3863 if (nb_prom_envs >= MAX_PROM_ENVS) {
3864 error_report("too many prom variables");
3867 prom_envs[nb_prom_envs] = optarg;
3870 case QEMU_OPTION_old_param:
3873 case QEMU_OPTION_clock:
3874 /* Clock options no longer exist. Keep this option for
3875 * backward compatibility.
3878 case QEMU_OPTION_startdate:
3879 configure_rtc_date_offset(optarg, 1);
3881 case QEMU_OPTION_rtc:
3882 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3887 configure_rtc(opts);
3889 case QEMU_OPTION_tb_size:
3890 tcg_tb_size = strtol(optarg, NULL, 0);
3891 if (tcg_tb_size < 0) {
3895 case QEMU_OPTION_icount:
3896 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3902 case QEMU_OPTION_incoming:
3904 runstate_set(RUN_STATE_INMIGRATE);
3908 case QEMU_OPTION_nodefaults:
3911 case QEMU_OPTION_xen_domid:
3912 if (!(xen_available())) {
3913 error_report("Option not supported for this target");
3916 xen_domid = atoi(optarg);
3918 case QEMU_OPTION_xen_create:
3919 if (!(xen_available())) {
3920 error_report("Option not supported for this target");
3923 xen_mode = XEN_CREATE;
3925 case QEMU_OPTION_xen_attach:
3926 if (!(xen_available())) {
3927 error_report("Option not supported for this target");
3930 xen_mode = XEN_ATTACH;
3932 case QEMU_OPTION_trace:
3934 trace_file = trace_opt_parse(optarg);
3936 case QEMU_OPTION_readconfig:
3938 int ret = qemu_read_config_file(optarg);
3940 error_report("read config %s: %s", optarg,
3946 case QEMU_OPTION_spice:
3947 olist = qemu_find_opts("spice");
3949 error_report("spice support is disabled");
3952 opts = qemu_opts_parse_noisily(olist, optarg, false);
3958 case QEMU_OPTION_writeconfig:
3961 if (strcmp(optarg, "-") == 0) {
3964 fp = fopen(optarg, "w");
3966 error_report("open %s: %s", optarg,
3971 qemu_config_write(fp);
3977 case QEMU_OPTION_qtest:
3978 qtest_chrdev = optarg;
3980 case QEMU_OPTION_qtest_log:
3983 case QEMU_OPTION_sandbox:
3984 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3990 case QEMU_OPTION_add_fd:
3992 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3998 error_report("File descriptor passing is disabled on this "
4003 case QEMU_OPTION_object:
4004 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4010 case QEMU_OPTION_realtime:
4011 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4016 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4018 case QEMU_OPTION_msg:
4019 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4024 configure_msg(opts);
4026 case QEMU_OPTION_dump_vmstate:
4027 if (vmstate_dump_file) {
4028 error_report("only one '-dump-vmstate' "
4029 "option may be given");
4032 vmstate_dump_file = fopen(optarg, "w");
4033 if (vmstate_dump_file == NULL) {
4034 error_report("open %s: %s", optarg, strerror(errno));
4039 os_parse_cmd_args(popt->index, optarg);
4044 * Clear error location left behind by the loop.
4045 * Best done right after the loop. Do not insert code here!
4049 replay_configure(icount_opts);
4051 machine_class = select_machine();
4053 set_memory_options(&ram_slots, &maxram_size, machine_class);
4057 if (qemu_init_main_loop(&main_loop_err)) {
4058 error_report_err(main_loop_err);
4062 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4063 parse_sandbox, NULL, NULL)) {
4067 if (qemu_opts_foreach(qemu_find_opts("name"),
4068 parse_name, NULL, NULL)) {
4073 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4074 parse_add_fd, NULL, NULL)) {
4078 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4079 cleanup_add_fd, NULL, NULL)) {
4084 current_machine = MACHINE(object_new(object_class_get_name(
4085 OBJECT_CLASS(machine_class))));
4086 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4089 object_property_add_child(object_get_root(), "machine",
4090 OBJECT(current_machine), &error_abort);
4092 if (machine_class->minimum_page_bits) {
4093 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4094 /* This would be a board error: specifying a minimum smaller than
4095 * a target's compile-time fixed setting.
4097 g_assert_not_reached();
4101 cpu_exec_init_all();
4103 if (machine_class->hw_version) {
4104 qemu_set_hw_version(machine_class->hw_version);
4107 if (cpu_model && is_help_option(cpu_model)) {
4108 list_cpus(stdout, &fprintf, cpu_model);
4112 if (!trace_init_backends()) {
4115 trace_init_file(trace_file);
4117 /* Open the logfile at this point and set the log mask if necessary.
4120 qemu_set_log_filename(log_file, &error_fatal);
4125 mask = qemu_str_to_log_mask(log_mask);
4127 qemu_print_log_usage(stdout);
4135 /* If no data_dir is specified then try to find it relative to the
4137 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4138 data_dir[data_dir_idx] = os_find_datadir();
4139 if (data_dir[data_dir_idx] != NULL) {
4143 /* If all else fails use the install path specified when building. */
4144 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4145 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4148 /* -L help lists the data directories and exits. */
4149 if (list_data_dirs) {
4150 for (i = 0; i < data_dir_idx; i++) {
4151 printf("%s\n", data_dir[i]);
4156 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4158 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4159 if (max_cpus > machine_class->max_cpus) {
4160 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4161 "supported by machine '%s' (%d)", max_cpus,
4162 machine_class->name, machine_class->max_cpus);
4167 * Get the default machine options from the machine if it is not already
4168 * specified either by the configuration file or by the command line.
4170 if (machine_class->default_machine_opts) {
4171 qemu_opts_set_defaults(qemu_find_opts("machine"),
4172 machine_class->default_machine_opts, 0);
4175 qemu_opts_foreach(qemu_find_opts("device"),
4176 default_driver_check, NULL, NULL);
4177 qemu_opts_foreach(qemu_find_opts("global"),
4178 default_driver_check, NULL, NULL);
4180 if (!vga_model && !default_vga) {
4181 vga_interface_type = VGA_DEVICE;
4183 if (!has_defaults || machine_class->no_serial) {
4186 if (!has_defaults || machine_class->no_parallel) {
4187 default_parallel = 0;
4189 if (!has_defaults || !machine_class->use_virtcon) {
4190 default_virtcon = 0;
4192 if (!has_defaults || !machine_class->use_sclp) {
4195 if (!has_defaults || machine_class->no_floppy) {
4198 if (!has_defaults || machine_class->no_cdrom) {
4201 if (!has_defaults || machine_class->no_sdcard) {
4204 if (!has_defaults) {
4205 default_monitor = 0;
4210 if (is_daemonized()) {
4211 /* According to documentation and historically, -nographic redirects
4212 * serial port, parallel port and monitor to stdio, which does not work
4213 * with -daemonize. We can redirect these to null instead, but since
4214 * -nographic is legacy, let's just error out.
4215 * We disallow -nographic only if all other ports are not redirected
4216 * explicitly, to not break existing legacy setups which uses
4217 * -nographic _and_ redirects all ports explicitly - this is valid
4218 * usage, -nographic is just a no-op in this case.
4221 && (default_parallel || default_serial
4222 || default_monitor || default_virtcon)) {
4223 error_report("-nographic cannot be used with -daemonize");
4226 #ifdef CONFIG_CURSES
4227 if (display_type == DT_CURSES) {
4228 error_report("curses display cannot be used with -daemonize");
4235 if (default_parallel)
4236 add_device_config(DEV_PARALLEL, "null");
4237 if (default_serial && default_monitor) {
4238 add_device_config(DEV_SERIAL, "mon:stdio");
4239 } else if (default_virtcon && default_monitor) {
4240 add_device_config(DEV_VIRTCON, "mon:stdio");
4241 } else if (default_sclp && default_monitor) {
4242 add_device_config(DEV_SCLP, "mon:stdio");
4245 add_device_config(DEV_SERIAL, "stdio");
4246 if (default_virtcon)
4247 add_device_config(DEV_VIRTCON, "stdio");
4249 add_device_config(DEV_SCLP, "stdio");
4251 if (default_monitor)
4252 monitor_parse("stdio", "readline", false);
4256 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4257 if (default_parallel)
4258 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4259 if (default_monitor)
4260 monitor_parse("vc:80Cx24C", "readline", false);
4261 if (default_virtcon)
4262 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4264 add_device_config(DEV_SCLP, "vc:80Cx24C");
4268 #if defined(CONFIG_VNC)
4269 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4273 if (display_type == DT_DEFAULT && !display_remote) {
4274 #if defined(CONFIG_GTK)
4275 display_type = DT_GTK;
4276 #elif defined(CONFIG_SDL)
4277 display_type = DT_SDL;
4278 #elif defined(CONFIG_COCOA)
4279 display_type = DT_COCOA;
4280 #elif defined(CONFIG_VNC)
4281 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4283 display_type = DT_NONE;
4287 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4288 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4289 "for SDL, ignoring option");
4291 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4292 error_report("-no-quit is only valid for GTK and SDL, "
4296 if (display_type == DT_GTK) {
4297 early_gtk_display_init(request_opengl);
4300 if (display_type == DT_SDL) {
4301 sdl_display_early_init(request_opengl);
4304 if (request_opengl == 1 && display_opengl == 0) {
4305 #if defined(CONFIG_OPENGL)
4306 error_report("OpenGL is not supported by the display");
4308 error_report("OpenGL support is disabled");
4316 if (qemu_opts_foreach(qemu_find_opts("object"),
4317 user_creatable_add_opts_foreach,
4318 object_create_initial, NULL)) {
4322 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4323 chardev_init_func, NULL, NULL)) {
4327 #ifdef CONFIG_VIRTFS
4328 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4329 fsdev_init_func, NULL, NULL)) {
4334 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4335 error_report("could not acquire pid file: %s", strerror(errno));
4339 if (qemu_opts_foreach(qemu_find_opts("device"),
4340 device_help_func, NULL, NULL)) {
4344 machine_opts = qemu_get_machine_opts();
4345 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4347 object_unref(OBJECT(current_machine));
4351 configure_accelerator(current_machine);
4354 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4357 machine_opts = qemu_get_machine_opts();
4358 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4359 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4360 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4361 bios_name = qemu_opt_get(machine_opts, "firmware");
4363 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4365 boot_order = qemu_opt_get(opts, "order");
4367 validate_bootdevices(boot_order, &error_fatal);
4370 boot_once = qemu_opt_get(opts, "once");
4372 validate_bootdevices(boot_once, &error_fatal);
4375 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4376 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4380 boot_order = machine_class->default_boot_order;
4383 if (!kernel_cmdline) {
4384 kernel_cmdline = "";
4385 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4388 linux_boot = (kernel_filename != NULL);
4390 if (!linux_boot && *kernel_cmdline != '\0') {
4391 error_report("-append only allowed with -kernel option");
4395 if (!linux_boot && initrd_filename != NULL) {
4396 error_report("-initrd only allowed with -kernel option");
4400 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4401 /* fall back to the -kernel/-append */
4402 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4405 os_set_line_buffering();
4407 /* spice needs the timers to be initialized by this point */
4412 if (kvm_enabled() || xen_enabled()) {
4413 error_report("-icount is not allowed with kvm or xen");
4416 configure_icount(icount_opts, &error_abort);
4417 qemu_opts_del(icount_opts);
4421 QemuOptsList *net = qemu_find_opts("net");
4422 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4424 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4428 if (net_init_clients() < 0) {
4432 if (qemu_opts_foreach(qemu_find_opts("object"),
4433 user_creatable_add_opts_foreach,
4434 object_create_delayed, NULL)) {
4439 if (tpm_init() < 0) {
4444 /* init the bluetooth world */
4445 if (foreach_device_config(DEV_BT, bt_parse))
4448 if (!xen_enabled()) {
4449 /* On 32-bit hosts, QEMU is limited by virtual address space */
4450 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4451 error_report("at most 2047 MB RAM can be simulated");
4459 /* If the currently selected machine wishes to override the units-per-bus
4460 * property of its default HBA interface type, do so now. */
4461 if (machine_class->units_per_default_bus) {
4462 override_max_devs(machine_class->block_default_type,
4463 machine_class->units_per_default_bus);
4466 /* open the virtual block devices */
4467 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4468 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4471 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4472 &machine_class->block_default_type, NULL)) {
4476 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4478 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4479 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4481 parse_numa_opts(machine_class);
4483 if (qemu_opts_foreach(qemu_find_opts("mon"),
4484 mon_init_func, NULL, NULL)) {
4488 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4490 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4492 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4494 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4497 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4500 /* If no default VGA is requested, the default is "none". */
4502 if (machine_class->default_display) {
4503 vga_model = machine_class->default_display;
4504 } else if (vga_interface_available(VGA_CIRRUS)) {
4505 vga_model = "cirrus";
4506 } else if (vga_interface_available(VGA_STD)) {
4511 select_vgahw(vga_model);
4515 i = select_watchdog(watchdog);
4517 exit (i == 1 ? 1 : 0);
4520 machine_register_compat_props(current_machine);
4522 qemu_opts_foreach(qemu_find_opts("global"),
4523 global_init_func, NULL, NULL);
4525 /* This checkpoint is required by replay to separate prior clock
4526 reading from the other reads, because timer polling functions query
4527 clock values from the log. */
4528 replay_checkpoint(CHECKPOINT_INIT);
4529 qdev_machine_init();
4531 current_machine->ram_size = ram_size;
4532 current_machine->maxram_size = maxram_size;
4533 current_machine->ram_slots = ram_slots;
4534 current_machine->boot_order = boot_order;
4535 current_machine->cpu_model = cpu_model;
4537 machine_class->init(current_machine);
4543 cpu_synchronize_all_post_init();
4545 numa_post_machine_init();
4547 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4548 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4552 /* init USB devices */
4553 if (machine_usb(current_machine)) {
4554 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4558 /* Check if IGD GFX passthrough. */
4561 /* init generic devices */
4562 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4563 if (qemu_opts_foreach(qemu_find_opts("device"),
4564 device_init_func, NULL, NULL)) {
4567 rom_reset_order_override();
4569 /* Did we create any drives that we failed to create a device for? */
4570 drive_check_orphaned();
4572 /* Don't warn about the default network setup that you get if
4573 * no command line -net or -netdev options are specified. There
4574 * are two cases that we would otherwise complain about:
4575 * (1) board doesn't support a NIC but the implicit "-net nic"
4577 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4578 * sets up a nic that isn't connected to anything.
4581 net_check_clients();
4586 qemu_boot_set(boot_once, &error_fatal);
4587 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4590 ds = init_displaystate();
4592 /* init local displays */
4593 switch (display_type) {
4595 curses_display_init(ds, full_screen);
4598 sdl_display_init(ds, full_screen, no_frame);
4601 cocoa_display_init(ds, full_screen);
4604 gtk_display_init(ds, full_screen, grab_on_hover);
4610 /* must be after terminal init, SDL library changes signal handlers */
4611 os_setup_signal_handling();
4613 /* init remote displays */
4615 qemu_opts_foreach(qemu_find_opts("vnc"),
4616 vnc_init_func, NULL, NULL);
4620 qemu_spice_display_init();
4623 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4627 qdev_machine_creation_done();
4629 /* TODO: once all bus devices are qdevified, this should be done
4630 * when bus is created by qdev.c */
4631 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4632 qemu_run_machine_init_done_notifiers();
4634 if (rom_check_and_register_reset() != 0) {
4635 error_report("rom check and register reset failed");
4641 /* This checkpoint is required by replay to separate prior clock
4642 reading from the other reads, because timer polling functions query
4643 clock values from the log. */
4644 replay_checkpoint(CHECKPOINT_RESET);
4645 qemu_system_reset(VMRESET_SILENT);
4646 register_global_state();
4648 if (load_vmstate(loadvm) < 0) {
4653 qdev_prop_check_globals();
4654 if (vmstate_dump_file) {
4656 dump_vmstate_json_to_file(vmstate_dump_file);
4661 Error *local_err = NULL;
4662 qemu_start_incoming_migration(incoming, &local_err);
4664 error_reportf_err(local_err, "-incoming %s: ", incoming);
4667 } else if (autostart) {
4674 replay_disable_events();
4675 iothread_stop_all();
4681 /* vhost-user must be cleaned up before chardevs. */