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/cutils.h"
26 #include "qemu/help_option.h"
29 #include "sysemu/seccomp.h"
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
37 #if defined(__APPLE__) || defined(main)
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
42 return qemu_main(argc, argv, NULL);
45 #define main qemu_main
47 #endif /* CONFIG_SDL */
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
134 const char* keyboard_layout = NULL;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
140 NICInfo nd_table[MAX_NICS];
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
149 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
160 int acpi_enabled = 1;
163 static int no_reboot;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 const char *qemu_name;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
182 int icount_align_option;
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 uint8_t qemu_uuid[16];
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198 enum xen_mode xen_mode = XEN_EMULATE;
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
233 static QemuOptsList qemu_rtc_opts = {
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .type = QEMU_OPT_STRING,
242 .type = QEMU_OPT_STRING,
245 .type = QEMU_OPT_STRING,
247 { /* end of list */ }
251 static QemuOptsList qemu_sandbox_opts = {
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .type = QEMU_OPT_BOOL,
260 { /* end of list */ }
264 static QemuOptsList qemu_trace_opts = {
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
271 .type = QEMU_OPT_STRING,
275 .type = QEMU_OPT_STRING,
278 .type = QEMU_OPT_STRING,
280 { /* end of list */ }
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
291 .type = QEMU_OPT_NUMBER,
294 .type = QEMU_OPT_STRING,
296 { /* end of list */ }
300 static QemuOptsList qemu_machine_opts = {
302 .implied_opt_name = "type",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
315 static QemuOptsList qemu_boot_opts = {
317 .implied_opt_name = "order",
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
323 .type = QEMU_OPT_STRING,
326 .type = QEMU_OPT_STRING,
329 .type = QEMU_OPT_BOOL,
332 .type = QEMU_OPT_STRING,
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
341 .type = QEMU_OPT_BOOL,
347 static QemuOptsList qemu_add_fd_opts = {
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
364 { /* end of list */ }
368 static QemuOptsList qemu_object_opts = {
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 static QemuOptsList qemu_tpmdev_opts = {
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
387 static QemuOptsList qemu_realtime_opts = {
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
393 .type = QEMU_OPT_BOOL,
395 { /* end of list */ }
399 static QemuOptsList qemu_msg_opts = {
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
405 .type = QEMU_OPT_BOOL,
407 { /* end of list */ }
411 static QemuOptsList qemu_name_opts = {
413 .implied_opt_name = "guest",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
434 { /* End of list */ }
438 static QemuOptsList qemu_mem_opts = {
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
446 .type = QEMU_OPT_SIZE,
450 .type = QEMU_OPT_NUMBER,
454 .type = QEMU_OPT_SIZE,
456 { /* end of list */ }
460 static QemuOptsList qemu_icount_opts = {
462 .implied_opt_name = "shift",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
468 .type = QEMU_OPT_STRING,
471 .type = QEMU_OPT_BOOL,
474 .type = QEMU_OPT_BOOL,
477 .type = QEMU_OPT_STRING,
480 .type = QEMU_OPT_STRING,
482 { /* end of list */ }
486 static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
493 .type = QEMU_OPT_BOOL,
496 .type = QEMU_OPT_STRING,
499 .type = QEMU_OPT_STRING,
501 { /* end of list */ }
505 static QemuOptsList qemu_fw_cfg_opts = {
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
524 { /* end of list */ }
529 * Get machine options
531 * Returns: machine options (never null).
533 QemuOpts *qemu_get_machine_opts(void)
535 return qemu_find_opts_singleton("machine");
538 const char *qemu_get_vm_name(void)
543 static void res_free(void)
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
551 const char *driver = qemu_opt_get(opts, "driver");
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
559 *(default_list[i].flag) = 0;
564 /***********************************************************/
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
576 } RunStateTransition;
578 static const RunStateTransition runstate_transitions_def[] = {
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
584 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
591 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
594 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
604 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
605 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
620 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
621 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
623 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
624 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
625 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
627 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
629 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
631 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
632 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
634 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
636 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
637 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
640 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
641 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
642 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
643 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
646 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
647 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
654 { RUN_STATE__MAX, RUN_STATE__MAX },
657 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
659 bool runstate_check(RunState state)
661 return current_run_state == state;
664 bool runstate_store(char *str, size_t size)
666 const char *state = RunState_lookup[current_run_state];
667 size_t len = strlen(state) + 1;
672 memcpy(str, state, len);
676 static void runstate_init(void)
678 const RunStateTransition *p;
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
685 qemu_mutex_init(&vmstop_lock);
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state)
691 assert(new_state < RUN_STATE__MAX);
693 if (!runstate_valid_transitions[current_run_state][new_state]) {
694 error_report("invalid runstate transition: '%s' -> '%s'",
695 RunState_lookup[current_run_state],
696 RunState_lookup[new_state]);
699 trace_runstate_set(new_state);
700 current_run_state = new_state;
703 int runstate_is_running(void)
705 return runstate_check(RUN_STATE_RUNNING);
708 bool runstate_needs_reset(void)
710 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
711 runstate_check(RUN_STATE_SHUTDOWN);
714 StatusInfo *qmp_query_status(Error **errp)
716 StatusInfo *info = g_malloc0(sizeof(*info));
718 info->running = runstate_is_running();
719 info->singlestep = singlestep;
720 info->status = current_run_state;
725 static bool qemu_vmstop_requested(RunState *r)
727 qemu_mutex_lock(&vmstop_lock);
728 *r = vmstop_requested;
729 vmstop_requested = RUN_STATE__MAX;
730 qemu_mutex_unlock(&vmstop_lock);
731 return *r < RUN_STATE__MAX;
734 void qemu_system_vmstop_request_prepare(void)
736 qemu_mutex_lock(&vmstop_lock);
739 void qemu_system_vmstop_request(RunState state)
741 vmstop_requested = state;
742 qemu_mutex_unlock(&vmstop_lock);
750 qemu_vmstop_requested(&requested);
751 if (runstate_is_running() && requested == RUN_STATE__MAX) {
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort);
764 runstate_set(RUN_STATE_RUNNING);
765 vm_state_notify(1, RUN_STATE_RUNNING);
769 qapi_event_send_resume(&error_abort);
773 /***********************************************************/
774 /* real time host monotonic timer */
776 static time_t qemu_time(void)
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm *tm, int offset)
785 time_t ti = qemu_time();
788 if (rtc_date_offset == -1) {
792 localtime_r(&ti, tm);
794 ti -= rtc_date_offset;
799 int qemu_timedate_diff(struct tm *tm)
803 if (rtc_date_offset == -1)
805 seconds = mktimegm(tm);
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
812 seconds = mktimegm(tm) + rtc_date_offset;
814 return seconds - qemu_time();
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
819 time_t rtc_start_date;
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
833 } else if (sscanf(startdate, "%d-%d-%d",
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 rtc_date_offset = qemu_time() - rtc_start_date;
857 static void configure_rtc(QemuOpts *opts)
861 value = qemu_opt_get(opts, "base");
863 if (!strcmp(value, "utc")) {
865 } else if (!strcmp(value, "localtime")) {
866 Error *blocker = NULL;
868 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker);
872 configure_rtc_date_offset(value, 0);
875 value = qemu_opt_get(opts, "clock");
877 if (!strcmp(value, "host")) {
878 rtc_clock = QEMU_CLOCK_HOST;
879 } else if (!strcmp(value, "rt")) {
880 rtc_clock = QEMU_CLOCK_REALTIME;
881 } else if (!strcmp(value, "vm")) {
882 rtc_clock = QEMU_CLOCK_VIRTUAL;
884 error_report("invalid option value '%s'", value);
888 value = qemu_opt_get(opts, "driftfix");
890 if (!strcmp(value, "slew")) {
891 static GlobalProperty slew_lost_ticks = {
892 .driver = "mc146818rtc",
893 .property = "lost_tick_policy",
897 qdev_prop_register_global(&slew_lost_ticks);
898 } else if (!strcmp(value, "none")) {
899 /* discard is default */
901 error_report("invalid option value '%s'", value);
907 /***********************************************************/
908 /* Bluetooth support */
911 static struct HCIInfo *hci_table[MAX_NICS];
913 struct HCIInfo *qemu_next_hci(void)
915 if (cur_hci == nb_hcis)
918 return hci_table[cur_hci++];
921 static int bt_hci_parse(const char *str)
926 if (nb_hcis >= MAX_NICS) {
927 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
940 bdaddr.b[5] = 0x56 + nb_hcis;
941 hci->bdaddr_set(hci, bdaddr.b);
943 hci_table[nb_hcis++] = hci;
948 static void bt_vhci_add(int vlan_id)
950 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
953 error_report("warning: adding a VHCI to an empty scatternet %i",
956 bt_vhci_init(bt_new_hci(vlan));
959 static struct bt_device_s *bt_device_add(const char *opt)
961 struct bt_scatternet_s *vlan;
963 char *endp = strstr(opt, ",vlan=");
964 int len = (endp ? endp - opt : strlen(opt)) + 1;
967 pstrcpy(devname, MIN(sizeof(devname), len), opt);
970 vlan_id = strtol(endp + 6, &endp, 0);
972 error_report("unrecognised bluetooth vlan Id");
977 vlan = qemu_find_bt_vlan(vlan_id);
980 error_report("warning: adding a slave device to an empty scatternet %i",
983 if (!strcmp(devname, "keyboard"))
984 return bt_keyboard_init(vlan);
986 error_report("unsupported bluetooth device '%s'", devname);
990 static int bt_parse(const char *opt)
992 const char *endp, *p;
995 if (strstart(opt, "hci", &endp)) {
996 if (!*endp || *endp == ',') {
998 if (!strstart(endp, ",vlan=", 0))
1001 return bt_hci_parse(opt);
1003 } else if (strstart(opt, "vhci", &endp)) {
1004 if (!*endp || *endp == ',') {
1006 if (strstart(endp, ",vlan=", &p)) {
1007 vlan = strtol(p, (char **) &endp, 0);
1009 error_report("bad scatternet '%s'", p);
1013 error_report("bad parameter '%s'", endp + 1);
1022 } else if (strstart(opt, "device:", &endp))
1023 return !bt_device_add(endp);
1025 error_report("bad bluetooth parameter '%s'", opt);
1029 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1031 /* FIXME: change this to true for 1.3 */
1032 if (qemu_opt_get_bool(opts, "enable", false)) {
1033 #ifdef CONFIG_SECCOMP
1034 if (seccomp_start() < 0) {
1035 error_report("failed to install seccomp syscall filter "
1040 error_report("seccomp support is disabled");
1048 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1050 const char *proc_name;
1052 if (qemu_opt_get(opts, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1055 qemu_name = qemu_opt_get(opts, "guest");
1057 proc_name = qemu_opt_get(opts, "process");
1059 os_set_proc_name(proc_name);
1065 bool defaults_enabled(void)
1067 return has_defaults;
1070 bool usb_enabled(void)
1072 return machine_usb(current_machine);
1076 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1078 int fd, dupfd, flags;
1080 const char *fd_opaque = NULL;
1083 fd = qemu_opt_get_number(opts, "fd", -1);
1084 fdset_id = qemu_opt_get_number(opts, "set", -1);
1085 fd_opaque = qemu_opt_get(opts, "opaque");
1088 error_report("fd option is required and must be non-negative");
1092 if (fd <= STDERR_FILENO) {
1093 error_report("fd cannot be a standard I/O stream");
1098 * All fds inherited across exec() necessarily have FD_CLOEXEC
1099 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1101 flags = fcntl(fd, F_GETFD);
1102 if (flags == -1 || (flags & FD_CLOEXEC)) {
1103 error_report("fd is not valid or already in use");
1108 error_report("set option is required and must be non-negative");
1112 #ifdef F_DUPFD_CLOEXEC
1113 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1117 qemu_set_cloexec(dupfd);
1121 error_report("error duplicating fd: %s", strerror(errno));
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1133 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1137 fd = qemu_opt_get_number(opts, "fd", -1);
1144 /***********************************************************/
1145 /* QEMU Block devices */
1147 #define HD_OPTS "media=disk"
1148 #define CDROM_OPTS "media=cdrom"
1150 #define PFLASH_OPTS ""
1154 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1156 BlockInterfaceType *block_default_type = opaque;
1158 return drive_new(opts, *block_default_type) == NULL;
1161 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1163 if (qemu_opt_get(opts, "snapshot") == NULL) {
1164 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1169 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1170 int index, const char *optstr)
1175 if (!enable || drive_get_by_index(type, index)) {
1179 opts = drive_add(type, index, NULL, optstr);
1181 drive_enable_snapshot(NULL, opts, NULL);
1184 dinfo = drive_new(opts, type);
1188 dinfo->is_default = true;
1192 static QemuOptsList qemu_smp_opts = {
1194 .implied_opt_name = "cpus",
1195 .merge_lists = true,
1196 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1200 .type = QEMU_OPT_NUMBER,
1203 .type = QEMU_OPT_NUMBER,
1206 .type = QEMU_OPT_NUMBER,
1209 .type = QEMU_OPT_NUMBER,
1212 .type = QEMU_OPT_NUMBER,
1214 { /*End of list */ }
1218 static void smp_parse(QemuOpts *opts)
1222 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1223 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1224 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1225 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1227 /* compute missing values, prefer sockets over cores over threads */
1228 if (cpus == 0 || sockets == 0) {
1229 sockets = sockets > 0 ? sockets : 1;
1230 cores = cores > 0 ? cores : 1;
1231 threads = threads > 0 ? threads : 1;
1233 cpus = cores * threads * sockets;
1235 } else if (cores == 0) {
1236 threads = threads > 0 ? threads : 1;
1237 cores = cpus / (sockets * threads);
1238 } else if (threads == 0) {
1239 threads = cpus / (cores * sockets);
1240 } else if (sockets * cores * threads < cpus) {
1241 error_report("cpu topology: "
1242 "sockets (%u) * cores (%u) * threads (%u) < "
1244 sockets, cores, threads, cpus);
1248 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1249 if (sockets * cores * threads > max_cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) > "
1253 sockets, cores, threads, max_cpus);
1258 smp_cores = cores > 0 ? cores : 1;
1259 smp_threads = threads > 0 ? threads : 1;
1263 if (max_cpus == 0) {
1264 max_cpus = smp_cpus;
1267 if (max_cpus > MAX_CPUMASK_BITS) {
1268 error_report("unsupported number of maxcpus");
1271 if (max_cpus < smp_cpus) {
1272 error_report("maxcpus must be equal to or greater than smp");
1276 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1277 Error *blocker = NULL;
1278 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1279 replay_add_blocker(blocker);
1283 static void realtime_init(void)
1286 if (os_mlock() < 0) {
1287 error_report("locking memory failed");
1294 static void configure_msg(QemuOpts *opts)
1296 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1299 /***********************************************************/
1302 typedef struct SemihostingConfig {
1304 SemihostingTarget target;
1307 const char *cmdline; /* concatenated argv */
1308 } SemihostingConfig;
1310 static SemihostingConfig semihosting;
1312 bool semihosting_enabled(void)
1314 return semihosting.enabled;
1317 SemihostingTarget semihosting_get_target(void)
1319 return semihosting.target;
1322 const char *semihosting_get_arg(int i)
1324 if (i >= semihosting.argc) {
1327 return semihosting.argv[i];
1330 int semihosting_get_argc(void)
1332 return semihosting.argc;
1335 const char *semihosting_get_cmdline(void)
1337 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1338 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1340 return semihosting.cmdline;
1343 static int add_semihosting_arg(void *opaque,
1344 const char *name, const char *val,
1347 SemihostingConfig *s = opaque;
1348 if (strcmp(name, "arg") == 0) {
1350 /* one extra element as g_strjoinv() expects NULL-terminated array */
1351 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1352 s->argv[s->argc - 1] = val;
1353 s->argv[s->argc] = NULL;
1358 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1359 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1364 add_semihosting_arg(&semihosting, "arg", file, NULL);
1366 /* split -append and initialize argv[1..n] */
1367 cmd_token = strtok(g_strdup(cmd), " ");
1369 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1370 cmd_token = strtok(NULL, " ");
1374 /* Now we still need this for compatibility with XEN. */
1375 bool has_igd_gfx_passthru;
1376 static void igd_gfx_passthru(void)
1378 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1381 /***********************************************************/
1384 static int usb_device_add(const char *devname)
1386 USBDevice *dev = NULL;
1387 #ifndef CONFIG_LINUX
1391 if (!usb_enabled()) {
1395 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1396 dev = usbdevice_create(devname);
1400 /* the other ones */
1401 #ifndef CONFIG_LINUX
1402 /* only the linux version is qdev-ified, usb-bsd still needs this */
1403 if (strstart(devname, "host:", &p)) {
1404 dev = usb_host_device_open(usb_bus_find(-1), p);
1414 static int usb_device_del(const char *devname)
1419 if (strstart(devname, "host:", &p)) {
1423 if (!usb_enabled()) {
1427 p = strchr(devname, '.');
1430 bus_num = strtoul(devname, NULL, 0);
1431 addr = strtoul(p + 1, NULL, 0);
1433 return usb_device_delete_addr(bus_num, addr);
1436 static int usb_parse(const char *cmdline)
1439 r = usb_device_add(cmdline);
1441 error_report("could not add USB device '%s'", cmdline);
1446 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1448 const char *devname = qdict_get_str(qdict, "devname");
1449 if (usb_device_add(devname) < 0) {
1450 error_report("could not add USB device '%s'", devname);
1454 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1456 const char *devname = qdict_get_str(qdict, "devname");
1457 if (usb_device_del(devname) < 0) {
1458 error_report("could not delete USB device '%s'", devname);
1462 /***********************************************************/
1463 /* machine registration */
1465 MachineState *current_machine;
1467 static MachineClass *find_machine(const char *name)
1469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1470 MachineClass *mc = NULL;
1472 for (el = machines; el; el = el->next) {
1473 MachineClass *temp = el->data;
1475 if (!strcmp(temp->name, name)) {
1480 !strcmp(temp->alias, name)) {
1486 g_slist_free(machines);
1490 MachineClass *find_default_machine(void)
1492 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1493 MachineClass *mc = NULL;
1495 for (el = machines; el; el = el->next) {
1496 MachineClass *temp = el->data;
1498 if (temp->is_default) {
1504 g_slist_free(machines);
1508 MachineInfoList *qmp_query_machines(Error **errp)
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineInfoList *mach_list = NULL;
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *mc = el->data;
1515 MachineInfoList *entry;
1518 info = g_malloc0(sizeof(*info));
1519 if (mc->is_default) {
1520 info->has_is_default = true;
1521 info->is_default = true;
1525 info->has_alias = true;
1526 info->alias = g_strdup(mc->alias);
1529 info->name = g_strdup(mc->name);
1530 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1532 entry = g_malloc0(sizeof(*entry));
1533 entry->value = info;
1534 entry->next = mach_list;
1538 g_slist_free(machines);
1542 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1544 ObjectProperty *prop;
1545 ObjectPropertyIterator iter;
1547 if (!qemu_opt_has_help_opt(opts)) {
1551 object_property_iter_init(&iter, OBJECT(machine));
1552 while ((prop = object_property_iter_next(&iter))) {
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1558 prop->name, prop->type);
1559 if (prop->description) {
1560 error_printf(" (%s)\n", prop->description);
1569 /***********************************************************/
1570 /* main execution loop */
1572 struct vm_change_state_entry {
1573 VMChangeStateHandler *cb;
1575 QLIST_ENTRY (vm_change_state_entry) entries;
1578 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1580 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1583 VMChangeStateEntry *e;
1585 e = g_malloc0(sizeof (*e));
1589 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1595 QLIST_REMOVE (e, entries);
1599 void vm_state_notify(int running, RunState state)
1601 VMChangeStateEntry *e, *next;
1603 trace_vm_state_notify(running, state);
1605 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1606 e->cb(e->opaque, running, state);
1610 /* reset/shutdown handler */
1612 typedef struct QEMUResetEntry {
1613 QTAILQ_ENTRY(QEMUResetEntry) entry;
1614 QEMUResetHandler *func;
1618 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1620 static int reset_requested;
1621 static int shutdown_requested, shutdown_signal = -1;
1622 static pid_t shutdown_pid;
1623 static int powerdown_requested;
1624 static int debug_requested;
1625 static int suspend_requested;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1635 int qemu_shutdown_requested_get(void)
1637 return shutdown_requested;
1640 int qemu_reset_requested_get(void)
1642 return reset_requested;
1645 static int qemu_shutdown_requested(void)
1647 return atomic_xchg(&shutdown_requested, 0);
1650 static void qemu_kill_report(void)
1652 if (!qtest_driver() && shutdown_signal != -1) {
1653 if (shutdown_pid == 0) {
1654 /* This happens for eg ^C at the terminal, so it's worth
1655 * avoiding printing an odd message in that case.
1657 error_report("terminating on signal %d", shutdown_signal);
1659 error_report("terminating on signal %d from pid " FMT_pid,
1660 shutdown_signal, shutdown_pid);
1662 shutdown_signal = -1;
1666 static int qemu_reset_requested(void)
1668 int r = reset_requested;
1669 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1670 reset_requested = 0;
1676 static int qemu_suspend_requested(void)
1678 int r = suspend_requested;
1679 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1680 suspend_requested = 0;
1686 static WakeupReason qemu_wakeup_requested(void)
1688 return wakeup_reason;
1691 static int qemu_powerdown_requested(void)
1693 int r = powerdown_requested;
1694 powerdown_requested = 0;
1698 static int qemu_debug_requested(void)
1700 int r = debug_requested;
1701 debug_requested = 0;
1705 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1707 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1710 re->opaque = opaque;
1711 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1714 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1718 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1719 if (re->func == func && re->opaque == opaque) {
1720 QTAILQ_REMOVE(&reset_handlers, re, entry);
1727 void qemu_devices_reset(void)
1729 QEMUResetEntry *re, *nre;
1731 /* reset all devices */
1732 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1733 re->func(re->opaque);
1737 void qemu_system_reset(bool report)
1741 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1743 cpu_synchronize_all_states();
1745 if (mc && mc->reset) {
1748 qemu_devices_reset();
1751 qapi_event_send_reset(&error_abort);
1753 cpu_synchronize_all_post_reset();
1756 void qemu_system_guest_panicked(void)
1759 current_cpu->crash_occurred = true;
1761 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1762 vm_stop(RUN_STATE_GUEST_PANICKED);
1765 void qemu_system_reset_request(void)
1768 shutdown_requested = 1;
1770 reset_requested = 1;
1773 qemu_notify_event();
1776 static void qemu_system_suspend(void)
1779 notifier_list_notify(&suspend_notifiers, NULL);
1780 runstate_set(RUN_STATE_SUSPENDED);
1781 qapi_event_send_suspend(&error_abort);
1784 void qemu_system_suspend_request(void)
1786 if (runstate_check(RUN_STATE_SUSPENDED)) {
1789 suspend_requested = 1;
1791 qemu_notify_event();
1794 void qemu_register_suspend_notifier(Notifier *notifier)
1796 notifier_list_add(&suspend_notifiers, notifier);
1799 void qemu_system_wakeup_request(WakeupReason reason)
1801 trace_system_wakeup_request(reason);
1803 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1806 if (!(wakeup_reason_mask & (1 << reason))) {
1809 runstate_set(RUN_STATE_RUNNING);
1810 wakeup_reason = reason;
1811 qemu_notify_event();
1814 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1817 wakeup_reason_mask |= (1 << reason);
1819 wakeup_reason_mask &= ~(1 << reason);
1823 void qemu_register_wakeup_notifier(Notifier *notifier)
1825 notifier_list_add(&wakeup_notifiers, notifier);
1828 void qemu_system_killed(int signal, pid_t pid)
1830 shutdown_signal = signal;
1834 /* Cannot call qemu_system_shutdown_request directly because
1835 * we are in a signal handler.
1837 shutdown_requested = 1;
1838 qemu_notify_event();
1841 void qemu_system_shutdown_request(void)
1843 trace_qemu_system_shutdown_request();
1844 replay_shutdown_request();
1845 shutdown_requested = 1;
1846 qemu_notify_event();
1849 static void qemu_system_powerdown(void)
1851 qapi_event_send_powerdown(&error_abort);
1852 notifier_list_notify(&powerdown_notifiers, NULL);
1855 void qemu_system_powerdown_request(void)
1857 trace_qemu_system_powerdown_request();
1858 powerdown_requested = 1;
1859 qemu_notify_event();
1862 void qemu_register_powerdown_notifier(Notifier *notifier)
1864 notifier_list_add(&powerdown_notifiers, notifier);
1867 void qemu_system_debug_request(void)
1869 debug_requested = 1;
1870 qemu_notify_event();
1873 static bool main_loop_should_exit(void)
1876 if (qemu_debug_requested()) {
1877 vm_stop(RUN_STATE_DEBUG);
1879 if (qemu_suspend_requested()) {
1880 qemu_system_suspend();
1882 if (qemu_shutdown_requested()) {
1884 qapi_event_send_shutdown(&error_abort);
1886 vm_stop(RUN_STATE_SHUTDOWN);
1891 if (qemu_reset_requested()) {
1893 qemu_system_reset(VMRESET_REPORT);
1895 if (!runstate_check(RUN_STATE_RUNNING) &&
1896 !runstate_check(RUN_STATE_INMIGRATE)) {
1897 runstate_set(RUN_STATE_PRELAUNCH);
1900 if (qemu_wakeup_requested()) {
1902 qemu_system_reset(VMRESET_SILENT);
1903 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1904 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1906 qapi_event_send_wakeup(&error_abort);
1908 if (qemu_powerdown_requested()) {
1909 qemu_system_powerdown();
1911 if (qemu_vmstop_requested(&r)) {
1917 static void main_loop(void)
1921 #ifdef CONFIG_PROFILER
1925 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1926 #ifdef CONFIG_PROFILER
1927 ti = profile_getclock();
1929 last_io = main_loop_wait(nonblocking);
1930 #ifdef CONFIG_PROFILER
1931 dev_time += profile_getclock() - ti;
1933 } while (!main_loop_should_exit());
1936 static void version(void)
1938 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1941 static void help(int exitcode)
1944 printf("usage: %s [options] [disk_image]\n\n"
1945 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1946 error_get_progname());
1948 #define QEMU_OPTIONS_GENERATE_HELP
1949 #include "qemu-options-wrapper.h"
1951 printf("\nDuring emulation, the following keys are useful:\n"
1952 "ctrl-alt-f toggle full screen\n"
1953 "ctrl-alt-n switch to virtual console 'n'\n"
1954 "ctrl-alt toggle mouse and keyboard grab\n"
1956 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1961 #define HAS_ARG 0x0001
1963 typedef struct QEMUOption {
1970 static const QEMUOption qemu_options[] = {
1971 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1972 #define QEMU_OPTIONS_GENERATE_OPTIONS
1973 #include "qemu-options-wrapper.h"
1977 typedef struct VGAInterfaceInfo {
1978 const char *opt_name; /* option name */
1979 const char *name; /* human-readable name */
1980 /* Class names indicating that support is available.
1981 * If no class is specified, the interface is always available */
1982 const char *class_names[2];
1985 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1991 .name = "standard VGA",
1992 .class_names = { "VGA", "isa-vga" },
1995 .opt_name = "cirrus",
1996 .name = "Cirrus VGA",
1997 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2000 .opt_name = "vmware",
2001 .name = "VMWare SVGA",
2002 .class_names = { "vmware-svga" },
2005 .opt_name = "virtio",
2006 .name = "Virtio VGA",
2007 .class_names = { "virtio-vga" },
2012 .class_names = { "qxl-vga" },
2016 .name = "TCX framebuffer",
2017 .class_names = { "SUNW,tcx" },
2021 .name = "CG3 framebuffer",
2022 .class_names = { "cgthree" },
2025 .opt_name = "xenfb",
2029 static bool vga_interface_available(VGAInterfaceType t)
2031 VGAInterfaceInfo *ti = &vga_interfaces[t];
2033 assert(t < VGA_TYPE_MAX);
2034 return !ti->class_names[0] ||
2035 object_class_by_name(ti->class_names[0]) ||
2036 object_class_by_name(ti->class_names[1]);
2039 static void select_vgahw(const char *p)
2044 assert(vga_interface_type == VGA_NONE);
2045 for (t = 0; t < VGA_TYPE_MAX; t++) {
2046 VGAInterfaceInfo *ti = &vga_interfaces[t];
2047 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2048 if (!vga_interface_available(t)) {
2049 error_report("%s not available", ti->name);
2052 vga_interface_type = t;
2056 if (t == VGA_TYPE_MAX) {
2058 error_report("unknown vga type: %s", p);
2062 const char *nextopt;
2064 if (strstart(opts, ",retrace=", &nextopt)) {
2066 if (strstart(opts, "dumb", &nextopt))
2067 vga_retrace_method = VGA_RETRACE_DUMB;
2068 else if (strstart(opts, "precise", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_PRECISE;
2070 else goto invalid_vga;
2071 } else goto invalid_vga;
2076 typedef enum DisplayType {
2085 static DisplayType select_display(const char *p)
2088 DisplayType display = DT_DEFAULT;
2090 if (strstart(p, "sdl", &opts)) {
2094 const char *nextopt;
2096 if (strstart(opts, ",frame=", &nextopt)) {
2098 if (strstart(opts, "on", &nextopt)) {
2100 } else if (strstart(opts, "off", &nextopt)) {
2103 goto invalid_sdl_args;
2105 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2107 if (strstart(opts, "on", &nextopt)) {
2109 } else if (strstart(opts, "off", &nextopt)) {
2112 goto invalid_sdl_args;
2114 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2116 if (strstart(opts, "on", &nextopt)) {
2118 } else if (strstart(opts, "off", &nextopt)) {
2121 goto invalid_sdl_args;
2123 } else if (strstart(opts, ",window_close=", &nextopt)) {
2125 if (strstart(opts, "on", &nextopt)) {
2127 } else if (strstart(opts, "off", &nextopt)) {
2130 goto invalid_sdl_args;
2132 } else if (strstart(opts, ",gl=", &nextopt)) {
2134 if (strstart(opts, "on", &nextopt)) {
2136 } else if (strstart(opts, "off", &nextopt)) {
2139 goto invalid_sdl_args;
2143 error_report("invalid SDL option string");
2149 error_report("SDL support is disabled");
2152 } else if (strstart(p, "vnc", &opts)) {
2155 if (vnc_parse(opts + 1, &err) == NULL) {
2156 error_report_err(err);
2160 error_report("VNC requires a display argument vnc=<display>");
2163 } else if (strstart(p, "curses", &opts)) {
2164 #ifdef CONFIG_CURSES
2165 display = DT_CURSES;
2167 error_report("curses support is disabled");
2170 } else if (strstart(p, "gtk", &opts)) {
2174 const char *nextopt;
2176 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2178 if (strstart(opts, "on", &nextopt)) {
2179 grab_on_hover = true;
2180 } else if (strstart(opts, "off", &nextopt)) {
2181 grab_on_hover = false;
2183 goto invalid_gtk_args;
2185 } else if (strstart(opts, ",gl=", &nextopt)) {
2187 if (strstart(opts, "on", &nextopt)) {
2189 } else if (strstart(opts, "off", &nextopt)) {
2192 goto invalid_gtk_args;
2196 error_report("invalid GTK option string");
2202 error_report("GTK support is disabled");
2205 } else if (strstart(p, "none", &opts)) {
2208 error_report("unknown display type");
2215 static int balloon_parse(const char *arg)
2219 if (strcmp(arg, "none") == 0) {
2223 if (!strncmp(arg, "virtio", 6)) {
2224 if (arg[6] == ',') {
2225 /* have params -> parse them */
2226 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2231 /* create empty opts */
2232 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2235 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2242 char *qemu_find_file(int type, const char *name)
2248 /* Try the name as a straight path first */
2249 if (access(name, R_OK) == 0) {
2250 trace_load_file(name, name);
2251 return g_strdup(name);
2255 case QEMU_FILE_TYPE_BIOS:
2258 case QEMU_FILE_TYPE_KEYMAP:
2259 subdir = "keymaps/";
2265 for (i = 0; i < data_dir_idx; i++) {
2266 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2267 if (access(buf, R_OK) == 0) {
2268 trace_load_file(name, buf);
2276 static inline bool nonempty_str(const char *str)
2281 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2285 const char *name, *file, *str;
2286 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2288 if (fw_cfg == NULL) {
2289 error_report("fw_cfg device not available");
2292 name = qemu_opt_get(opts, "name");
2293 file = qemu_opt_get(opts, "file");
2294 str = qemu_opt_get(opts, "string");
2296 /* we need name and either a file or the content string */
2297 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2298 error_report("invalid argument(s)");
2301 if (nonempty_str(file) && nonempty_str(str)) {
2302 error_report("file and string are mutually exclusive");
2305 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2306 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2309 if (strncmp(name, "opt/", 4) != 0) {
2310 error_report("warning: externally provided fw_cfg item names "
2311 "should be prefixed with \"opt/\"");
2313 if (nonempty_str(str)) {
2314 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2315 buf = g_memdup(str, size);
2317 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2318 error_report("can't load %s", file);
2322 /* For legacy, keep user files in a specific global order. */
2323 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2324 fw_cfg_add_file(fw_cfg, name, buf, size);
2325 fw_cfg_reset_order_override(fw_cfg);
2329 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2331 return qdev_device_help(opts);
2334 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2339 dev = qdev_device_add(opts, &err);
2341 error_report_err(err);
2344 object_unref(OBJECT(dev));
2348 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2350 Error *local_err = NULL;
2352 qemu_chr_new_from_opts(opts, NULL, &local_err);
2354 error_report_err(local_err);
2360 #ifdef CONFIG_VIRTFS
2361 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2364 ret = qemu_fsdev_add(opts);
2370 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2372 CharDriverState *chr;
2373 const char *chardev;
2377 mode = qemu_opt_get(opts, "mode");
2381 if (strcmp(mode, "readline") == 0) {
2382 flags = MONITOR_USE_READLINE;
2383 } else if (strcmp(mode, "control") == 0) {
2384 flags = MONITOR_USE_CONTROL;
2386 error_report("unknown monitor mode \"%s\"", mode);
2390 if (qemu_opt_get_bool(opts, "pretty", 0))
2391 flags |= MONITOR_USE_PRETTY;
2393 if (qemu_opt_get_bool(opts, "default", 0))
2394 flags |= MONITOR_IS_DEFAULT;
2396 chardev = qemu_opt_get(opts, "chardev");
2397 chr = qemu_chr_find(chardev);
2399 error_report("chardev \"%s\" not found", chardev);
2403 qemu_chr_fe_claim_no_fail(chr);
2404 monitor_init(chr, flags);
2408 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2410 static int monitor_device_index = 0;
2411 Error *local_err = NULL;
2417 if (strstart(optarg, "chardev:", &p)) {
2418 snprintf(label, sizeof(label), "%s", p);
2420 snprintf(label, sizeof(label), "compat_monitor%d",
2421 monitor_device_index);
2422 if (monitor_device_index == 0) {
2425 opts = qemu_chr_parse_compat(label, optarg);
2427 error_report("parse error: %s", optarg);
2432 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2434 error_report_err(local_err);
2437 qemu_opt_set(opts, "mode", mode, &error_abort);
2438 qemu_opt_set(opts, "chardev", label, &error_abort);
2439 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2441 qemu_opt_set(opts, "default", "on", &error_abort);
2442 monitor_device_index++;
2445 struct device_config {
2447 DEV_USB, /* -usbdevice */
2449 DEV_SERIAL, /* -serial */
2450 DEV_PARALLEL, /* -parallel */
2451 DEV_VIRTCON, /* -virtioconsole */
2452 DEV_DEBUGCON, /* -debugcon */
2453 DEV_GDB, /* -gdb, -s */
2454 DEV_SCLP, /* s390 sclp */
2456 const char *cmdline;
2458 QTAILQ_ENTRY(device_config) next;
2461 static QTAILQ_HEAD(, device_config) device_configs =
2462 QTAILQ_HEAD_INITIALIZER(device_configs);
2464 static void add_device_config(int type, const char *cmdline)
2466 struct device_config *conf;
2468 conf = g_malloc0(sizeof(*conf));
2470 conf->cmdline = cmdline;
2471 loc_save(&conf->loc);
2472 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2475 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2477 struct device_config *conf;
2480 QTAILQ_FOREACH(conf, &device_configs, next) {
2481 if (conf->type != type)
2483 loc_push_restore(&conf->loc);
2484 rc = func(conf->cmdline);
2485 loc_pop(&conf->loc);
2493 static int serial_parse(const char *devname)
2495 static int index = 0;
2498 if (strcmp(devname, "none") == 0)
2500 if (index == MAX_SERIAL_PORTS) {
2501 error_report("too many serial ports");
2504 snprintf(label, sizeof(label), "serial%d", index);
2505 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2506 if (!serial_hds[index]) {
2507 error_report("could not connect serial device"
2508 " to character backend '%s'", devname);
2515 static int parallel_parse(const char *devname)
2517 static int index = 0;
2520 if (strcmp(devname, "none") == 0)
2522 if (index == MAX_PARALLEL_PORTS) {
2523 error_report("too many parallel ports");
2526 snprintf(label, sizeof(label), "parallel%d", index);
2527 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2528 if (!parallel_hds[index]) {
2529 error_report("could not connect parallel device"
2530 " to character backend '%s'", devname);
2537 static int virtcon_parse(const char *devname)
2539 QemuOptsList *device = qemu_find_opts("device");
2540 static int index = 0;
2542 QemuOpts *bus_opts, *dev_opts;
2544 if (strcmp(devname, "none") == 0)
2546 if (index == MAX_VIRTIO_CONSOLES) {
2547 error_report("too many virtio consoles");
2551 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2552 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2554 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2555 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2557 snprintf(label, sizeof(label), "virtcon%d", index);
2558 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2559 if (!virtcon_hds[index]) {
2560 error_report("could not connect virtio console"
2561 " to character backend '%s'", devname);
2564 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2570 static int sclp_parse(const char *devname)
2572 QemuOptsList *device = qemu_find_opts("device");
2573 static int index = 0;
2577 if (strcmp(devname, "none") == 0) {
2580 if (index == MAX_SCLP_CONSOLES) {
2581 error_report("too many sclp consoles");
2585 assert(arch_type == QEMU_ARCH_S390X);
2587 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2588 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2590 snprintf(label, sizeof(label), "sclpcon%d", index);
2591 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2592 if (!sclp_hds[index]) {
2593 error_report("could not connect sclp console"
2594 " to character backend '%s'", devname);
2597 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2603 static int debugcon_parse(const char *devname)
2607 if (!qemu_chr_new("debugcon", devname, NULL)) {
2610 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2612 error_report("already have a debugcon device");
2615 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2616 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2620 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2622 const MachineClass *mc1 = a, *mc2 = b;
2625 if (mc1->family == NULL) {
2626 if (mc2->family == NULL) {
2627 /* Compare standalone machine types against each other; they sort
2628 * in increasing order.
2630 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2631 object_class_get_name(OBJECT_CLASS(mc2)));
2634 /* Standalone machine types sort after families. */
2638 if (mc2->family == NULL) {
2639 /* Families sort before standalone machine types. */
2643 /* Families sort between each other alphabetically increasingly. */
2644 res = strcmp(mc1->family, mc2->family);
2649 /* Within the same family, machine types sort in decreasing order. */
2650 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2651 object_class_get_name(OBJECT_CLASS(mc1)));
2654 static MachineClass *machine_parse(const char *name)
2656 MachineClass *mc = NULL;
2657 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2660 mc = find_machine(name);
2663 g_slist_free(machines);
2666 if (name && !is_help_option(name)) {
2667 error_report("unsupported machine type");
2668 error_printf("Use -machine help to list supported machines\n");
2670 printf("Supported machines are:\n");
2671 machines = g_slist_sort(machines, machine_class_cmp);
2672 for (el = machines; el; el = el->next) {
2673 MachineClass *mc = el->data;
2675 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2677 printf("%-20s %s%s\n", mc->name, mc->desc,
2678 mc->is_default ? " (default)" : "");
2682 g_slist_free(machines);
2683 exit(!name || !is_help_option(name));
2686 void qemu_add_exit_notifier(Notifier *notify)
2688 notifier_list_add(&exit_notifiers, notify);
2691 void qemu_remove_exit_notifier(Notifier *notify)
2693 notifier_remove(notify);
2696 static void qemu_run_exit_notifiers(void)
2698 notifier_list_notify(&exit_notifiers, NULL);
2701 static bool machine_init_done;
2703 void qemu_add_machine_init_done_notifier(Notifier *notify)
2705 notifier_list_add(&machine_init_done_notifiers, notify);
2706 if (machine_init_done) {
2707 notify->notify(notify, NULL);
2711 static void qemu_run_machine_init_done_notifiers(void)
2713 notifier_list_notify(&machine_init_done_notifiers, NULL);
2714 machine_init_done = true;
2717 static const QEMUOption *lookup_opt(int argc, char **argv,
2718 const char **poptarg, int *poptind)
2720 const QEMUOption *popt;
2721 int optind = *poptind;
2722 char *r = argv[optind];
2725 loc_set_cmdline(argv, optind, 1);
2727 /* Treat --foo the same as -foo. */
2730 popt = qemu_options;
2733 error_report("invalid option");
2736 if (!strcmp(popt->name, r + 1))
2740 if (popt->flags & HAS_ARG) {
2741 if (optind >= argc) {
2742 error_report("requires an argument");
2745 optarg = argv[optind++];
2746 loc_set_cmdline(argv, optind - 2, 2);
2757 static MachineClass *select_machine(void)
2759 MachineClass *machine_class = find_default_machine();
2764 loc_push_none(&loc);
2766 opts = qemu_get_machine_opts();
2767 qemu_opts_loc_restore(opts);
2769 optarg = qemu_opt_get(opts, "type");
2771 machine_class = machine_parse(optarg);
2774 if (!machine_class) {
2775 error_report("No machine specified, and there is no default");
2776 error_printf("Use -machine help to list supported machines\n");
2781 return machine_class;
2784 static int machine_set_property(void *opaque,
2785 const char *name, const char *value,
2788 Object *obj = OBJECT(opaque);
2789 Error *local_err = NULL;
2792 if (strcmp(name, "type") == 0) {
2796 qom_name = g_strdup(name);
2804 object_property_parse(obj, value, qom_name, &local_err);
2808 error_report_err(local_err);
2817 * Initial object creation happens before all other
2818 * QEMU data types are created. The majority of objects
2819 * can be created at this point. The rng-egd object
2820 * cannot be created here, as it depends on the chardev
2823 static bool object_create_initial(const char *type)
2825 if (g_str_equal(type, "rng-egd")) {
2830 * return false for concrete netfilters since
2831 * they depend on netdevs already existing
2833 if (g_str_equal(type, "filter-buffer") ||
2834 g_str_equal(type, "filter-dump") ||
2835 g_str_equal(type, "filter-mirror") ||
2836 g_str_equal(type, "filter-redirector")) {
2845 * The remainder of object creation happens after the
2846 * creation of chardev, fsdev, net clients and device data types.
2848 static bool object_create_delayed(const char *type)
2850 return !object_create_initial(type);
2854 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2858 const char *mem_str;
2859 const char *maxmem_str, *slots_str;
2860 const ram_addr_t default_ram_size = mc->default_ram_size;
2861 QemuOpts *opts = qemu_find_opts_singleton("memory");
2864 loc_push_none(&loc);
2865 qemu_opts_loc_restore(opts);
2868 mem_str = qemu_opt_get(opts, "size");
2871 error_report("missing 'size' option value");
2875 sz = qemu_opt_get_size(opts, "size", ram_size);
2877 /* Fix up legacy suffix-less format */
2878 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2879 uint64_t overflow_check = sz;
2882 if ((sz >> 20) != overflow_check) {
2883 error_report("too large 'size' option value");
2889 /* backward compatibility behaviour for case "-m 0" */
2891 sz = default_ram_size;
2894 sz = QEMU_ALIGN_UP(sz, 8192);
2896 if (ram_size != sz) {
2897 error_report("ram size too large");
2901 /* store value for the future use */
2902 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2903 *maxram_size = ram_size;
2905 maxmem_str = qemu_opt_get(opts, "maxmem");
2906 slots_str = qemu_opt_get(opts, "slots");
2907 if (maxmem_str && slots_str) {
2910 sz = qemu_opt_get_size(opts, "maxmem", 0);
2911 slots = qemu_opt_get_number(opts, "slots", 0);
2912 if (sz < ram_size) {
2913 error_report("invalid value of -m option maxmem: "
2914 "maximum memory size (0x%" PRIx64 ") must be at least "
2915 "the initial memory size (0x" RAM_ADDR_FMT ")",
2918 } else if (sz > ram_size) {
2920 error_report("invalid value of -m option: maxmem was "
2921 "specified, but no hotplug slots were specified");
2925 error_report("invalid value of -m option maxmem: "
2926 "memory slots were specified but maximum memory size "
2927 "(0x%" PRIx64 ") is equal to the initial memory size "
2928 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2934 } else if ((!maxmem_str && slots_str) ||
2935 (maxmem_str && !slots_str)) {
2936 error_report("invalid -m option value: missing "
2937 "'%s' option", slots_str ? "maxmem" : "slots");
2944 int main(int argc, char **argv, char **envp)
2947 int snapshot, linux_boot;
2948 const char *initrd_filename;
2949 const char *kernel_filename, *kernel_cmdline;
2950 const char *boot_order = NULL;
2951 const char *boot_once = NULL;
2953 int cyls, heads, secs, translation;
2954 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2955 QemuOptsList *olist;
2958 const char *loadvm = NULL;
2959 MachineClass *machine_class;
2960 const char *cpu_model;
2961 const char *vga_model = NULL;
2962 const char *qtest_chrdev = NULL;
2963 const char *qtest_log = NULL;
2964 const char *pid_file = NULL;
2965 const char *incoming = NULL;
2966 int show_vnc_port = 0;
2967 bool defconfig = true;
2968 bool userconfig = true;
2969 bool nographic = false;
2970 DisplayType display_type = DT_DEFAULT;
2971 int display_remote = 0;
2972 const char *log_mask = NULL;
2973 const char *log_file = NULL;
2974 char *trace_file = NULL;
2975 ram_addr_t maxram_size;
2976 uint64_t ram_slots = 0;
2977 FILE *vmstate_dump_file = NULL;
2978 Error *main_loop_err = NULL;
2981 qemu_init_cpu_loop();
2982 qemu_mutex_lock_iothread();
2984 atexit(qemu_run_exit_notifiers);
2985 error_set_progname(argv[0]);
2986 qemu_init_exec_dir(argv[0]);
2988 module_call_init(MODULE_INIT_QOM);
2990 qemu_add_opts(&qemu_drive_opts);
2991 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2992 qemu_add_drive_opts(&qemu_common_drive_opts);
2993 qemu_add_drive_opts(&qemu_drive_opts);
2994 qemu_add_opts(&qemu_chardev_opts);
2995 qemu_add_opts(&qemu_device_opts);
2996 qemu_add_opts(&qemu_netdev_opts);
2997 qemu_add_opts(&qemu_net_opts);
2998 qemu_add_opts(&qemu_rtc_opts);
2999 qemu_add_opts(&qemu_global_opts);
3000 qemu_add_opts(&qemu_mon_opts);
3001 qemu_add_opts(&qemu_trace_opts);
3002 qemu_add_opts(&qemu_option_rom_opts);
3003 qemu_add_opts(&qemu_machine_opts);
3004 qemu_add_opts(&qemu_mem_opts);
3005 qemu_add_opts(&qemu_smp_opts);
3006 qemu_add_opts(&qemu_boot_opts);
3007 qemu_add_opts(&qemu_sandbox_opts);
3008 qemu_add_opts(&qemu_add_fd_opts);
3009 qemu_add_opts(&qemu_object_opts);
3010 qemu_add_opts(&qemu_tpmdev_opts);
3011 qemu_add_opts(&qemu_realtime_opts);
3012 qemu_add_opts(&qemu_msg_opts);
3013 qemu_add_opts(&qemu_name_opts);
3014 qemu_add_opts(&qemu_numa_opts);
3015 qemu_add_opts(&qemu_icount_opts);
3016 qemu_add_opts(&qemu_semihosting_config_opts);
3017 qemu_add_opts(&qemu_fw_cfg_opts);
3018 module_call_init(MODULE_INIT_OPTS);
3022 if (qcrypto_init(&err) < 0) {
3023 error_reportf_err(err, "cannot initialize crypto: ");
3026 rtc_clock = QEMU_CLOCK_HOST;
3028 QLIST_INIT (&vm_change_state_head);
3029 os_setup_early_signal_handling();
3033 cyls = heads = secs = 0;
3034 translation = BIOS_ATA_TRANSLATION_AUTO;
3038 bdrv_init_with_whitelist();
3042 /* first pass of option parsing */
3044 while (optind < argc) {
3045 if (argv[optind][0] != '-') {
3049 const QEMUOption *popt;
3051 popt = lookup_opt(argc, argv, &optarg, &optind);
3052 switch (popt->index) {
3053 case QEMU_OPTION_nodefconfig:
3056 case QEMU_OPTION_nouserconfig:
3065 ret = qemu_read_default_config_files(userconfig);
3071 /* second pass of option parsing */
3076 if (argv[optind][0] != '-') {
3077 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3079 const QEMUOption *popt;
3081 popt = lookup_opt(argc, argv, &optarg, &optind);
3082 if (!(popt->arch_mask & arch_type)) {
3083 printf("Option %s not supported for this target\n", popt->name);
3086 switch(popt->index) {
3087 case QEMU_OPTION_no_kvm_irqchip: {
3088 olist = qemu_find_opts("machine");
3089 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3092 case QEMU_OPTION_cpu:
3093 /* hw initialization will check this */
3096 case QEMU_OPTION_hda:
3100 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3102 snprintf(buf, sizeof(buf),
3103 "%s,cyls=%d,heads=%d,secs=%d%s",
3104 HD_OPTS , cyls, heads, secs,
3105 translation == BIOS_ATA_TRANSLATION_LBA ?
3107 translation == BIOS_ATA_TRANSLATION_NONE ?
3108 ",trans=none" : "");
3109 drive_add(IF_DEFAULT, 0, optarg, buf);
3112 case QEMU_OPTION_hdb:
3113 case QEMU_OPTION_hdc:
3114 case QEMU_OPTION_hdd:
3115 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3118 case QEMU_OPTION_drive:
3119 if (drive_def(optarg) == NULL) {
3123 case QEMU_OPTION_set:
3124 if (qemu_set_option(optarg) != 0)
3127 case QEMU_OPTION_global:
3128 if (qemu_global_option(optarg) != 0)
3131 case QEMU_OPTION_mtdblock:
3132 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3134 case QEMU_OPTION_sd:
3135 drive_add(IF_SD, -1, optarg, SD_OPTS);
3137 case QEMU_OPTION_pflash:
3138 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3140 case QEMU_OPTION_snapshot:
3143 case QEMU_OPTION_hdachs:
3147 cyls = strtol(p, (char **)&p, 0);
3148 if (cyls < 1 || cyls > 16383)
3153 heads = strtol(p, (char **)&p, 0);
3154 if (heads < 1 || heads > 16)
3159 secs = strtol(p, (char **)&p, 0);
3160 if (secs < 1 || secs > 63)
3164 if (!strcmp(p, "large")) {
3165 translation = BIOS_ATA_TRANSLATION_LARGE;
3166 } else if (!strcmp(p, "rechs")) {
3167 translation = BIOS_ATA_TRANSLATION_RECHS;
3168 } else if (!strcmp(p, "none")) {
3169 translation = BIOS_ATA_TRANSLATION_NONE;
3170 } else if (!strcmp(p, "lba")) {
3171 translation = BIOS_ATA_TRANSLATION_LBA;
3172 } else if (!strcmp(p, "auto")) {
3173 translation = BIOS_ATA_TRANSLATION_AUTO;
3177 } else if (*p != '\0') {
3179 error_report("invalid physical CHS format");
3182 if (hda_opts != NULL) {
3183 qemu_opt_set_number(hda_opts, "cyls", cyls,
3185 qemu_opt_set_number(hda_opts, "heads", heads,
3187 qemu_opt_set_number(hda_opts, "secs", secs,
3189 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3190 qemu_opt_set(hda_opts, "trans", "large",
3192 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3193 qemu_opt_set(hda_opts, "trans", "rechs",
3195 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3196 qemu_opt_set(hda_opts, "trans", "lba",
3198 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3199 qemu_opt_set(hda_opts, "trans", "none",
3205 case QEMU_OPTION_numa:
3206 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3212 case QEMU_OPTION_display:
3213 display_type = select_display(optarg);
3215 case QEMU_OPTION_nographic:
3216 olist = qemu_find_opts("machine");
3217 qemu_opts_parse_noisily(olist, "graphics=off", false);
3219 display_type = DT_NONE;
3221 case QEMU_OPTION_curses:
3222 #ifdef CONFIG_CURSES
3223 display_type = DT_CURSES;
3225 error_report("curses support is disabled");
3229 case QEMU_OPTION_portrait:
3230 graphic_rotate = 90;
3232 case QEMU_OPTION_rotate:
3233 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3234 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3235 graphic_rotate != 180 && graphic_rotate != 270) {
3236 error_report("only 90, 180, 270 deg rotation is available");
3240 case QEMU_OPTION_kernel:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3244 case QEMU_OPTION_initrd:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3248 case QEMU_OPTION_append:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3252 case QEMU_OPTION_dtb:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3256 case QEMU_OPTION_cdrom:
3257 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3259 case QEMU_OPTION_boot:
3260 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3266 case QEMU_OPTION_fda:
3267 case QEMU_OPTION_fdb:
3268 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3271 case QEMU_OPTION_no_fd_bootchk:
3274 case QEMU_OPTION_netdev:
3275 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3279 case QEMU_OPTION_net:
3280 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3284 #ifdef CONFIG_LIBISCSI
3285 case QEMU_OPTION_iscsi:
3286 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3294 case QEMU_OPTION_tftp:
3295 error_report("The -tftp option is deprecated. "
3296 "Please use '-netdev user,tftp=...' instead.");
3297 legacy_tftp_prefix = optarg;
3299 case QEMU_OPTION_bootp:
3300 error_report("The -bootp option is deprecated. "
3301 "Please use '-netdev user,bootfile=...' instead.");
3302 legacy_bootp_filename = optarg;
3304 case QEMU_OPTION_redir:
3305 error_report("The -redir option is deprecated. "
3306 "Please use '-netdev user,hostfwd=...' instead.");
3307 if (net_slirp_redir(optarg) < 0)
3311 case QEMU_OPTION_bt:
3312 add_device_config(DEV_BT, optarg);
3314 case QEMU_OPTION_audio_help:
3318 case QEMU_OPTION_soundhw:
3319 select_soundhw (optarg);
3324 case QEMU_OPTION_version:
3329 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3336 case QEMU_OPTION_tpmdev:
3337 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3342 case QEMU_OPTION_mempath:
3345 case QEMU_OPTION_mem_prealloc:
3354 case QEMU_OPTION_DFILTER:
3355 qemu_set_dfilter_ranges(optarg);
3358 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3360 case QEMU_OPTION_gdb:
3361 add_device_config(DEV_GDB, optarg);
3364 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3365 data_dir[data_dir_idx++] = optarg;
3368 case QEMU_OPTION_bios:
3369 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3372 case QEMU_OPTION_singlestep:
3379 keyboard_layout = optarg;
3381 case QEMU_OPTION_localtime:
3384 case QEMU_OPTION_vga:
3393 w = strtol(p, (char **)&p, 10);
3396 error_report("invalid resolution or depth");
3402 h = strtol(p, (char **)&p, 10);
3407 depth = strtol(p, (char **)&p, 10);
3408 if (depth != 8 && depth != 15 && depth != 16 &&
3409 depth != 24 && depth != 32)
3411 } else if (*p == '\0') {
3412 depth = graphic_depth;
3419 graphic_depth = depth;
3422 case QEMU_OPTION_echr:
3425 term_escape_char = strtol(optarg, &r, 0);
3427 printf("Bad argument to echr\n");
3430 case QEMU_OPTION_monitor:
3431 default_monitor = 0;
3432 if (strncmp(optarg, "none", 4)) {
3433 monitor_parse(optarg, "readline", false);
3436 case QEMU_OPTION_qmp:
3437 monitor_parse(optarg, "control", false);
3438 default_monitor = 0;
3440 case QEMU_OPTION_qmp_pretty:
3441 monitor_parse(optarg, "control", true);
3442 default_monitor = 0;
3444 case QEMU_OPTION_mon:
3445 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3450 default_monitor = 0;
3452 case QEMU_OPTION_chardev:
3453 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3459 case QEMU_OPTION_fsdev:
3460 olist = qemu_find_opts("fsdev");
3462 error_report("fsdev support is disabled");
3465 opts = qemu_opts_parse_noisily(olist, optarg, true);
3470 case QEMU_OPTION_virtfs: {
3473 const char *writeout, *sock_fd, *socket;
3475 olist = qemu_find_opts("virtfs");
3477 error_report("virtfs support is disabled");
3480 opts = qemu_opts_parse_noisily(olist, optarg, true);
3485 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3486 qemu_opt_get(opts, "mount_tag") == NULL) {
3487 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3490 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3491 qemu_opt_get(opts, "mount_tag"),
3494 error_report("duplicate fsdev id: %s",
3495 qemu_opt_get(opts, "mount_tag"));
3499 writeout = qemu_opt_get(opts, "writeout");
3501 #ifdef CONFIG_SYNC_FILE_RANGE
3502 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3504 error_report("writeout=immediate not supported "
3505 "on this platform");
3509 qemu_opt_set(fsdev, "fsdriver",
3510 qemu_opt_get(opts, "fsdriver"), &error_abort);
3511 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3513 qemu_opt_set(fsdev, "security_model",
3514 qemu_opt_get(opts, "security_model"),
3516 socket = qemu_opt_get(opts, "socket");
3518 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3520 sock_fd = qemu_opt_get(opts, "sock_fd");
3522 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3525 qemu_opt_set_bool(fsdev, "readonly",
3526 qemu_opt_get_bool(opts, "readonly", 0),
3528 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3530 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3531 qemu_opt_set(device, "fsdev",
3532 qemu_opt_get(opts, "mount_tag"), &error_abort);
3533 qemu_opt_set(device, "mount_tag",
3534 qemu_opt_get(opts, "mount_tag"), &error_abort);
3537 case QEMU_OPTION_virtfs_synth: {
3541 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3544 error_report("duplicate option: %s", "virtfs_synth");
3547 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3549 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3551 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3552 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3553 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3556 case QEMU_OPTION_serial:
3557 add_device_config(DEV_SERIAL, optarg);
3559 if (strncmp(optarg, "mon:", 4) == 0) {
3560 default_monitor = 0;
3563 case QEMU_OPTION_watchdog:
3565 error_report("only one watchdog option may be given");
3570 case QEMU_OPTION_watchdog_action:
3571 if (select_watchdog_action(optarg) == -1) {
3572 error_report("unknown -watchdog-action parameter");
3576 case QEMU_OPTION_virtiocon:
3577 add_device_config(DEV_VIRTCON, optarg);
3578 default_virtcon = 0;
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3583 case QEMU_OPTION_parallel:
3584 add_device_config(DEV_PARALLEL, optarg);
3585 default_parallel = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3590 case QEMU_OPTION_debugcon:
3591 add_device_config(DEV_DEBUGCON, optarg);
3593 case QEMU_OPTION_loadvm:
3596 case QEMU_OPTION_full_screen:
3599 case QEMU_OPTION_no_frame:
3602 case QEMU_OPTION_alt_grab:
3605 case QEMU_OPTION_ctrl_grab:
3608 case QEMU_OPTION_no_quit:
3611 case QEMU_OPTION_sdl:
3613 display_type = DT_SDL;
3616 error_report("SDL support is disabled");
3619 case QEMU_OPTION_pidfile:
3622 case QEMU_OPTION_win2k_hack:
3623 win2k_install_hack = 1;
3625 case QEMU_OPTION_rtc_td_hack: {
3626 static GlobalProperty slew_lost_ticks = {
3627 .driver = "mc146818rtc",
3628 .property = "lost_tick_policy",
3632 qdev_prop_register_global(&slew_lost_ticks);
3635 case QEMU_OPTION_acpitable:
3636 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3641 do_acpitable_option(opts);
3643 case QEMU_OPTION_smbios:
3644 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3649 do_smbios_option(opts);
3651 case QEMU_OPTION_fwcfg:
3652 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3658 case QEMU_OPTION_enable_kvm:
3659 olist = qemu_find_opts("machine");
3660 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3663 case QEMU_OPTION_machine:
3664 olist = qemu_find_opts("machine");
3665 opts = qemu_opts_parse_noisily(olist, optarg, true);
3670 case QEMU_OPTION_no_kvm:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3674 case QEMU_OPTION_no_kvm_pit: {
3675 error_report("warning: ignoring deprecated option");
3678 case QEMU_OPTION_no_kvm_pit_reinjection: {
3679 static GlobalProperty kvm_pit_lost_tick_policy = {
3680 .driver = "kvm-pit",
3681 .property = "lost_tick_policy",
3685 error_report("warning: deprecated, replaced by "
3686 "-global kvm-pit.lost_tick_policy=discard");
3687 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3690 case QEMU_OPTION_usb:
3691 olist = qemu_find_opts("machine");
3692 qemu_opts_parse_noisily(olist, "usb=on", false);
3694 case QEMU_OPTION_usbdevice:
3695 olist = qemu_find_opts("machine");
3696 qemu_opts_parse_noisily(olist, "usb=on", false);
3697 add_device_config(DEV_USB, optarg);
3699 case QEMU_OPTION_device:
3700 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3705 case QEMU_OPTION_smp:
3706 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3711 case QEMU_OPTION_vnc:
3713 Error *local_err = NULL;
3715 if (vnc_parse(optarg, &local_err) == NULL) {
3716 error_report_err(local_err);
3721 case QEMU_OPTION_no_acpi:
3724 case QEMU_OPTION_no_hpet:
3727 case QEMU_OPTION_balloon:
3728 if (balloon_parse(optarg) < 0) {
3729 error_report("unknown -balloon argument %s", optarg);
3733 case QEMU_OPTION_no_reboot:
3736 case QEMU_OPTION_no_shutdown:
3739 case QEMU_OPTION_show_cursor:
3742 case QEMU_OPTION_uuid:
3743 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3744 error_report("failed to parse UUID string: wrong format");
3747 qemu_uuid_set = true;
3749 case QEMU_OPTION_option_rom:
3750 if (nb_option_roms >= MAX_OPTION_ROMS) {
3751 error_report("too many option ROMs");
3754 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3759 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3760 option_rom[nb_option_roms].bootindex =
3761 qemu_opt_get_number(opts, "bootindex", -1);
3762 if (!option_rom[nb_option_roms].name) {
3763 error_report("Option ROM file is not specified");
3768 case QEMU_OPTION_semihosting:
3769 semihosting.enabled = true;
3770 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3772 case QEMU_OPTION_semihosting_config:
3773 semihosting.enabled = true;
3774 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3777 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3779 const char *target = qemu_opt_get(opts, "target");
3780 if (target != NULL) {
3781 if (strcmp("native", target) == 0) {
3782 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3783 } else if (strcmp("gdb", target) == 0) {
3784 semihosting.target = SEMIHOSTING_TARGET_GDB;
3785 } else if (strcmp("auto", target) == 0) {
3786 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3788 error_report("unsupported semihosting-config %s",
3793 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3795 /* Set semihosting argument count and vector */
3796 qemu_opt_foreach(opts, add_semihosting_arg,
3797 &semihosting, NULL);
3799 error_report("unsupported semihosting-config %s", optarg);
3803 case QEMU_OPTION_tdf:
3804 error_report("warning: ignoring deprecated option");
3806 case QEMU_OPTION_name:
3807 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3813 case QEMU_OPTION_prom_env:
3814 if (nb_prom_envs >= MAX_PROM_ENVS) {
3815 error_report("too many prom variables");
3818 prom_envs[nb_prom_envs] = optarg;
3821 case QEMU_OPTION_old_param:
3824 case QEMU_OPTION_clock:
3825 /* Clock options no longer exist. Keep this option for
3826 * backward compatibility.
3829 case QEMU_OPTION_startdate:
3830 configure_rtc_date_offset(optarg, 1);
3832 case QEMU_OPTION_rtc:
3833 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3838 configure_rtc(opts);
3840 case QEMU_OPTION_tb_size:
3841 tcg_tb_size = strtol(optarg, NULL, 0);
3842 if (tcg_tb_size < 0) {
3846 case QEMU_OPTION_icount:
3847 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3853 case QEMU_OPTION_incoming:
3855 runstate_set(RUN_STATE_INMIGRATE);
3859 case QEMU_OPTION_nodefaults:
3862 case QEMU_OPTION_xen_domid:
3863 if (!(xen_available())) {
3864 printf("Option %s not supported for this target\n", popt->name);
3867 xen_domid = atoi(optarg);
3869 case QEMU_OPTION_xen_create:
3870 if (!(xen_available())) {
3871 printf("Option %s not supported for this target\n", popt->name);
3874 xen_mode = XEN_CREATE;
3876 case QEMU_OPTION_xen_attach:
3877 if (!(xen_available())) {
3878 printf("Option %s not supported for this target\n", popt->name);
3881 xen_mode = XEN_ATTACH;
3883 case QEMU_OPTION_trace:
3885 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3890 if (qemu_opt_get(opts, "enable")) {
3891 trace_enable_events(qemu_opt_get(opts, "enable"));
3893 trace_init_events(qemu_opt_get(opts, "events"));
3897 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3898 qemu_opts_del(opts);
3901 case QEMU_OPTION_readconfig:
3903 int ret = qemu_read_config_file(optarg);
3905 error_report("read config %s: %s", optarg,
3911 case QEMU_OPTION_spice:
3912 olist = qemu_find_opts("spice");
3914 error_report("spice support is disabled");
3917 opts = qemu_opts_parse_noisily(olist, optarg, false);
3923 case QEMU_OPTION_writeconfig:
3926 if (strcmp(optarg, "-") == 0) {
3929 fp = fopen(optarg, "w");
3931 error_report("open %s: %s", optarg,
3936 qemu_config_write(fp);
3942 case QEMU_OPTION_qtest:
3943 qtest_chrdev = optarg;
3945 case QEMU_OPTION_qtest_log:
3948 case QEMU_OPTION_sandbox:
3949 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3955 case QEMU_OPTION_add_fd:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3963 error_report("File descriptor passing is disabled on this "
3968 case QEMU_OPTION_object:
3969 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3975 case QEMU_OPTION_realtime:
3976 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3981 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3983 case QEMU_OPTION_msg:
3984 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3989 configure_msg(opts);
3991 case QEMU_OPTION_dump_vmstate:
3992 if (vmstate_dump_file) {
3993 error_report("only one '-dump-vmstate' "
3994 "option may be given");
3997 vmstate_dump_file = fopen(optarg, "w");
3998 if (vmstate_dump_file == NULL) {
3999 error_report("open %s: %s", optarg, strerror(errno));
4004 os_parse_cmd_args(popt->index, optarg);
4009 * Clear error location left behind by the loop.
4010 * Best done right after the loop. Do not insert code here!
4014 replay_configure(icount_opts);
4016 machine_class = select_machine();
4018 set_memory_options(&ram_slots, &maxram_size, machine_class);
4022 if (qemu_init_main_loop(&main_loop_err)) {
4023 error_report_err(main_loop_err);
4027 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4028 parse_sandbox, NULL, NULL)) {
4032 if (qemu_opts_foreach(qemu_find_opts("name"),
4033 parse_name, NULL, NULL)) {
4038 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4039 parse_add_fd, NULL, NULL)) {
4043 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4044 cleanup_add_fd, NULL, NULL)) {
4049 current_machine = MACHINE(object_new(object_class_get_name(
4050 OBJECT_CLASS(machine_class))));
4051 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4054 object_property_add_child(object_get_root(), "machine",
4055 OBJECT(current_machine), &error_abort);
4056 cpu_exec_init_all();
4058 if (machine_class->hw_version) {
4059 qemu_set_hw_version(machine_class->hw_version);
4062 /* Init CPU def lists, based on config
4063 * - Must be called after all the qemu_read_config_file() calls
4064 * - Must be called before list_cpus()
4065 * - Must be called before machine_class->init()
4069 if (cpu_model && is_help_option(cpu_model)) {
4070 list_cpus(stdout, &fprintf, cpu_model);
4074 if (!trace_init_backends()) {
4077 trace_init_file(trace_file);
4079 /* Open the logfile at this point and set the log mask if necessary.
4082 qemu_set_log_filename(log_file);
4087 mask = qemu_str_to_log_mask(log_mask);
4089 qemu_print_log_usage(stdout);
4097 /* If no data_dir is specified then try to find it relative to the
4099 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4100 data_dir[data_dir_idx] = os_find_datadir();
4101 if (data_dir[data_dir_idx] != NULL) {
4105 /* If all else fails use the install path specified when building. */
4106 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4107 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4110 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4112 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4113 if (max_cpus > machine_class->max_cpus) {
4114 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4115 "supported by machine '%s' (%d)", max_cpus,
4116 machine_class->name, machine_class->max_cpus);
4121 * Get the default machine options from the machine if it is not already
4122 * specified either by the configuration file or by the command line.
4124 if (machine_class->default_machine_opts) {
4125 qemu_opts_set_defaults(qemu_find_opts("machine"),
4126 machine_class->default_machine_opts, 0);
4129 qemu_opts_foreach(qemu_find_opts("device"),
4130 default_driver_check, NULL, NULL);
4131 qemu_opts_foreach(qemu_find_opts("global"),
4132 default_driver_check, NULL, NULL);
4134 if (!vga_model && !default_vga) {
4135 vga_interface_type = VGA_DEVICE;
4137 if (!has_defaults || machine_class->no_serial) {
4140 if (!has_defaults || machine_class->no_parallel) {
4141 default_parallel = 0;
4143 if (!has_defaults || !machine_class->use_virtcon) {
4144 default_virtcon = 0;
4146 if (!has_defaults || !machine_class->use_sclp) {
4149 if (!has_defaults || machine_class->no_floppy) {
4152 if (!has_defaults || machine_class->no_cdrom) {
4155 if (!has_defaults || machine_class->no_sdcard) {
4158 if (!has_defaults) {
4159 default_monitor = 0;
4164 if (is_daemonized()) {
4165 /* According to documentation and historically, -nographic redirects
4166 * serial port, parallel port and monitor to stdio, which does not work
4167 * with -daemonize. We can redirect these to null instead, but since
4168 * -nographic is legacy, let's just error out.
4169 * We disallow -nographic only if all other ports are not redirected
4170 * explicitly, to not break existing legacy setups which uses
4171 * -nographic _and_ redirects all ports explicitly - this is valid
4172 * usage, -nographic is just a no-op in this case.
4175 && (default_parallel || default_serial
4176 || default_monitor || default_virtcon)) {
4177 error_report("-nographic cannot be used with -daemonize");
4180 #ifdef CONFIG_CURSES
4181 if (display_type == DT_CURSES) {
4182 error_report("curses display cannot be used with -daemonize");
4189 if (default_parallel)
4190 add_device_config(DEV_PARALLEL, "null");
4191 if (default_serial && default_monitor) {
4192 add_device_config(DEV_SERIAL, "mon:stdio");
4193 } else if (default_virtcon && default_monitor) {
4194 add_device_config(DEV_VIRTCON, "mon:stdio");
4195 } else if (default_sclp && default_monitor) {
4196 add_device_config(DEV_SCLP, "mon:stdio");
4199 add_device_config(DEV_SERIAL, "stdio");
4200 if (default_virtcon)
4201 add_device_config(DEV_VIRTCON, "stdio");
4203 add_device_config(DEV_SCLP, "stdio");
4205 if (default_monitor)
4206 monitor_parse("stdio", "readline", false);
4210 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4211 if (default_parallel)
4212 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4213 if (default_monitor)
4214 monitor_parse("vc:80Cx24C", "readline", false);
4215 if (default_virtcon)
4216 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4218 add_device_config(DEV_SCLP, "vc:80Cx24C");
4222 #if defined(CONFIG_VNC)
4223 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4227 if (display_type == DT_DEFAULT && !display_remote) {
4228 #if defined(CONFIG_GTK)
4229 display_type = DT_GTK;
4230 #elif defined(CONFIG_SDL)
4231 display_type = DT_SDL;
4232 #elif defined(CONFIG_COCOA)
4233 display_type = DT_COCOA;
4234 #elif defined(CONFIG_VNC)
4235 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4238 display_type = DT_NONE;
4242 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4243 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4244 "for SDL, ignoring option");
4246 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4247 error_report("-no-quit is only valid for GTK and SDL, "
4251 if (display_type == DT_GTK) {
4252 early_gtk_display_init(request_opengl);
4255 if (display_type == DT_SDL) {
4256 sdl_display_early_init(request_opengl);
4259 if (request_opengl == 1 && display_opengl == 0) {
4260 #if defined(CONFIG_OPENGL)
4261 error_report("OpenGL is not supported by the display");
4263 error_report("OpenGL support is disabled");
4271 if (qemu_opts_foreach(qemu_find_opts("object"),
4272 user_creatable_add_opts_foreach,
4273 object_create_initial, NULL)) {
4277 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4278 chardev_init_func, NULL, NULL)) {
4282 #ifdef CONFIG_VIRTFS
4283 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4284 fsdev_init_func, NULL, NULL)) {
4289 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4290 error_report("could not acquire pid file: %s", strerror(errno));
4294 if (qemu_opts_foreach(qemu_find_opts("device"),
4295 device_help_func, NULL, NULL)) {
4299 machine_opts = qemu_get_machine_opts();
4300 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4302 object_unref(OBJECT(current_machine));
4306 configure_accelerator(current_machine);
4309 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4312 machine_opts = qemu_get_machine_opts();
4313 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4314 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4315 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4316 bios_name = qemu_opt_get(machine_opts, "firmware");
4318 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4320 boot_order = qemu_opt_get(opts, "order");
4322 validate_bootdevices(boot_order, &error_fatal);
4325 boot_once = qemu_opt_get(opts, "once");
4327 validate_bootdevices(boot_once, &error_fatal);
4330 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4331 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4335 boot_order = machine_class->default_boot_order;
4338 if (!kernel_cmdline) {
4339 kernel_cmdline = "";
4340 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4343 linux_boot = (kernel_filename != NULL);
4345 if (!linux_boot && *kernel_cmdline != '\0') {
4346 error_report("-append only allowed with -kernel option");
4350 if (!linux_boot && initrd_filename != NULL) {
4351 error_report("-initrd only allowed with -kernel option");
4355 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4356 error_report("-dtb only allowed with -kernel option");
4360 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4361 /* fall back to the -kernel/-append */
4362 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4365 os_set_line_buffering();
4367 /* spice needs the timers to be initialized by this point */
4372 if (kvm_enabled() || xen_enabled()) {
4373 error_report("-icount is not allowed with kvm or xen");
4376 configure_icount(icount_opts, &error_abort);
4377 qemu_opts_del(icount_opts);
4380 /* clean up network at qemu process termination */
4381 atexit(&net_cleanup);
4383 if (net_init_clients() < 0) {
4387 if (qemu_opts_foreach(qemu_find_opts("object"),
4388 user_creatable_add_opts_foreach,
4389 object_create_delayed, NULL)) {
4394 if (tpm_init() < 0) {
4399 /* init the bluetooth world */
4400 if (foreach_device_config(DEV_BT, bt_parse))
4403 if (!xen_enabled()) {
4404 /* On 32-bit hosts, QEMU is limited by virtual address space */
4405 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4406 error_report("at most 2047 MB RAM can be simulated");
4414 /* If the currently selected machine wishes to override the units-per-bus
4415 * property of its default HBA interface type, do so now. */
4416 if (machine_class->units_per_default_bus) {
4417 override_max_devs(machine_class->block_default_type,
4418 machine_class->units_per_default_bus);
4421 /* open the virtual block devices */
4422 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4423 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4426 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4427 &machine_class->block_default_type, NULL)) {
4431 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4433 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4434 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4436 parse_numa_opts(machine_class);
4438 if (qemu_opts_foreach(qemu_find_opts("mon"),
4439 mon_init_func, NULL, NULL)) {
4443 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4445 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4447 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4449 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4452 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4455 /* If no default VGA is requested, the default is "none". */
4457 if (machine_class->default_display) {
4458 vga_model = machine_class->default_display;
4459 } else if (vga_interface_available(VGA_CIRRUS)) {
4460 vga_model = "cirrus";
4461 } else if (vga_interface_available(VGA_STD)) {
4466 select_vgahw(vga_model);
4470 i = select_watchdog(watchdog);
4472 exit (i == 1 ? 1 : 0);
4475 if (machine_class->compat_props) {
4477 for (i = 0; i < machine_class->compat_props->len; i++) {
4478 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4479 qdev_prop_register_global(p);
4484 /* This checkpoint is required by replay to separate prior clock
4485 reading from the other reads, because timer polling functions query
4486 clock values from the log. */
4487 replay_checkpoint(CHECKPOINT_INIT);
4488 qdev_machine_init();
4490 current_machine->ram_size = ram_size;
4491 current_machine->maxram_size = maxram_size;
4492 current_machine->ram_slots = ram_slots;
4493 current_machine->boot_order = boot_order;
4494 current_machine->cpu_model = cpu_model;
4496 machine_class->init(current_machine);
4502 cpu_synchronize_all_post_init();
4504 numa_post_machine_init();
4506 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4507 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4511 /* init USB devices */
4512 if (usb_enabled()) {
4513 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4517 /* Check if IGD GFX passthrough. */
4520 /* init generic devices */
4521 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4522 if (qemu_opts_foreach(qemu_find_opts("device"),
4523 device_init_func, NULL, NULL)) {
4526 rom_reset_order_override();
4528 /* Did we create any drives that we failed to create a device for? */
4529 drive_check_orphaned();
4531 net_check_clients();
4534 qemu_boot_set(boot_once, &error_fatal);
4535 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4538 ds = init_displaystate();
4540 /* init local displays */
4541 switch (display_type) {
4543 curses_display_init(ds, full_screen);
4546 sdl_display_init(ds, full_screen, no_frame);
4549 cocoa_display_init(ds, full_screen);
4552 gtk_display_init(ds, full_screen, grab_on_hover);
4558 /* must be after terminal init, SDL library changes signal handlers */
4559 os_setup_signal_handling();
4561 /* init remote displays */
4562 qemu_opts_foreach(qemu_find_opts("vnc"),
4563 vnc_init_func, NULL, NULL);
4564 if (show_vnc_port) {
4565 char *ret = vnc_display_local_addr("default");
4566 printf("VNC server running on '%s'\n", ret);
4571 qemu_spice_display_init();
4574 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4578 qdev_machine_creation_done();
4580 /* TODO: once all bus devices are qdevified, this should be done
4581 * when bus is created by qdev.c */
4582 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4583 qemu_run_machine_init_done_notifiers();
4585 if (rom_check_and_register_reset() != 0) {
4586 error_report("rom check and register reset failed");
4592 /* This checkpoint is required by replay to separate prior clock
4593 reading from the other reads, because timer polling functions query
4594 clock values from the log. */
4595 replay_checkpoint(CHECKPOINT_RESET);
4596 qemu_system_reset(VMRESET_SILENT);
4597 register_global_state();
4599 if (load_vmstate(loadvm) < 0) {
4604 qdev_prop_check_globals();
4605 if (vmstate_dump_file) {
4607 dump_vmstate_json_to_file(vmstate_dump_file);
4612 Error *local_err = NULL;
4613 qemu_start_incoming_migration(incoming, &local_err);
4615 error_reportf_err(local_err, "-incoming %s: ", incoming);
4618 } else if (autostart) {
4625 replay_disable_events();