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[] = {
893 .driver = "mc146818rtc",
894 .property = "lost_tick_policy",
897 { /* end of list */ }
900 qdev_prop_register_global_list(slew_lost_ticks);
901 } else if (!strcmp(value, "none")) {
902 /* discard is default */
904 error_report("invalid option value '%s'", value);
910 /***********************************************************/
911 /* Bluetooth support */
914 static struct HCIInfo *hci_table[MAX_NICS];
916 struct HCIInfo *qemu_next_hci(void)
918 if (cur_hci == nb_hcis)
921 return hci_table[cur_hci++];
924 static int bt_hci_parse(const char *str)
929 if (nb_hcis >= MAX_NICS) {
930 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
943 bdaddr.b[5] = 0x56 + nb_hcis;
944 hci->bdaddr_set(hci, bdaddr.b);
946 hci_table[nb_hcis++] = hci;
951 static void bt_vhci_add(int vlan_id)
953 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
956 error_report("warning: adding a VHCI to an empty scatternet %i",
959 bt_vhci_init(bt_new_hci(vlan));
962 static struct bt_device_s *bt_device_add(const char *opt)
964 struct bt_scatternet_s *vlan;
966 char *endp = strstr(opt, ",vlan=");
967 int len = (endp ? endp - opt : strlen(opt)) + 1;
970 pstrcpy(devname, MIN(sizeof(devname), len), opt);
973 vlan_id = strtol(endp + 6, &endp, 0);
975 error_report("unrecognised bluetooth vlan Id");
980 vlan = qemu_find_bt_vlan(vlan_id);
983 error_report("warning: adding a slave device to an empty scatternet %i",
986 if (!strcmp(devname, "keyboard"))
987 return bt_keyboard_init(vlan);
989 error_report("unsupported bluetooth device '%s'", devname);
993 static int bt_parse(const char *opt)
995 const char *endp, *p;
998 if (strstart(opt, "hci", &endp)) {
999 if (!*endp || *endp == ',') {
1001 if (!strstart(endp, ",vlan=", 0))
1004 return bt_hci_parse(opt);
1006 } else if (strstart(opt, "vhci", &endp)) {
1007 if (!*endp || *endp == ',') {
1009 if (strstart(endp, ",vlan=", &p)) {
1010 vlan = strtol(p, (char **) &endp, 0);
1012 error_report("bad scatternet '%s'", p);
1016 error_report("bad parameter '%s'", endp + 1);
1025 } else if (strstart(opt, "device:", &endp))
1026 return !bt_device_add(endp);
1028 error_report("bad bluetooth parameter '%s'", opt);
1032 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1034 /* FIXME: change this to true for 1.3 */
1035 if (qemu_opt_get_bool(opts, "enable", false)) {
1036 #ifdef CONFIG_SECCOMP
1037 if (seccomp_start() < 0) {
1038 error_report("failed to install seccomp syscall filter "
1043 error_report("seccomp support is disabled");
1051 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1053 const char *proc_name;
1055 if (qemu_opt_get(opts, "debug-threads")) {
1056 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1058 qemu_name = qemu_opt_get(opts, "guest");
1060 proc_name = qemu_opt_get(opts, "process");
1062 os_set_proc_name(proc_name);
1068 bool defaults_enabled(void)
1070 return has_defaults;
1073 bool usb_enabled(void)
1075 return machine_usb(current_machine);
1079 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1081 int fd, dupfd, flags;
1083 const char *fd_opaque = NULL;
1086 fd = qemu_opt_get_number(opts, "fd", -1);
1087 fdset_id = qemu_opt_get_number(opts, "set", -1);
1088 fd_opaque = qemu_opt_get(opts, "opaque");
1091 error_report("fd option is required and must be non-negative");
1095 if (fd <= STDERR_FILENO) {
1096 error_report("fd cannot be a standard I/O stream");
1101 * All fds inherited across exec() necessarily have FD_CLOEXEC
1102 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1104 flags = fcntl(fd, F_GETFD);
1105 if (flags == -1 || (flags & FD_CLOEXEC)) {
1106 error_report("fd is not valid or already in use");
1111 error_report("set option is required and must be non-negative");
1115 #ifdef F_DUPFD_CLOEXEC
1116 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1120 qemu_set_cloexec(dupfd);
1124 error_report("error duplicating fd: %s", strerror(errno));
1128 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1129 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1136 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1140 fd = qemu_opt_get_number(opts, "fd", -1);
1147 /***********************************************************/
1148 /* QEMU Block devices */
1150 #define HD_OPTS "media=disk"
1151 #define CDROM_OPTS "media=cdrom"
1153 #define PFLASH_OPTS ""
1157 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1159 BlockInterfaceType *block_default_type = opaque;
1161 return drive_new(opts, *block_default_type) == NULL;
1164 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1166 if (qemu_opt_get(opts, "snapshot") == NULL) {
1167 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1172 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1173 int index, const char *optstr)
1178 if (!enable || drive_get_by_index(type, index)) {
1182 opts = drive_add(type, index, NULL, optstr);
1184 drive_enable_snapshot(NULL, opts, NULL);
1187 dinfo = drive_new(opts, type);
1191 dinfo->is_default = true;
1195 static QemuOptsList qemu_smp_opts = {
1197 .implied_opt_name = "cpus",
1198 .merge_lists = true,
1199 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1203 .type = QEMU_OPT_NUMBER,
1206 .type = QEMU_OPT_NUMBER,
1209 .type = QEMU_OPT_NUMBER,
1212 .type = QEMU_OPT_NUMBER,
1215 .type = QEMU_OPT_NUMBER,
1217 { /*End of list */ }
1221 static void smp_parse(QemuOpts *opts)
1225 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1226 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1227 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1228 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230 /* compute missing values, prefer sockets over cores over threads */
1231 if (cpus == 0 || sockets == 0) {
1232 sockets = sockets > 0 ? sockets : 1;
1233 cores = cores > 0 ? cores : 1;
1234 threads = threads > 0 ? threads : 1;
1236 cpus = cores * threads * sockets;
1238 } else if (cores == 0) {
1239 threads = threads > 0 ? threads : 1;
1240 cores = cpus / (sockets * threads);
1241 } else if (threads == 0) {
1242 threads = cpus / (cores * sockets);
1243 } else if (sockets * cores * threads < cpus) {
1244 error_report("cpu topology: "
1245 "sockets (%u) * cores (%u) * threads (%u) < "
1247 sockets, cores, threads, cpus);
1251 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1252 if (sockets * cores * threads > max_cpus) {
1253 error_report("cpu topology: "
1254 "sockets (%u) * cores (%u) * threads (%u) > "
1256 sockets, cores, threads, max_cpus);
1261 smp_cores = cores > 0 ? cores : 1;
1262 smp_threads = threads > 0 ? threads : 1;
1266 if (max_cpus == 0) {
1267 max_cpus = smp_cpus;
1270 if (max_cpus > MAX_CPUMASK_BITS) {
1271 error_report("unsupported number of maxcpus");
1274 if (max_cpus < smp_cpus) {
1275 error_report("maxcpus must be equal to or greater than smp");
1279 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1280 Error *blocker = NULL;
1281 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1282 replay_add_blocker(blocker);
1286 static void realtime_init(void)
1289 if (os_mlock() < 0) {
1290 error_report("locking memory failed");
1297 static void configure_msg(QemuOpts *opts)
1299 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 /***********************************************************/
1305 typedef struct SemihostingConfig {
1307 SemihostingTarget target;
1310 const char *cmdline; /* concatenated argv */
1311 } SemihostingConfig;
1313 static SemihostingConfig semihosting;
1315 bool semihosting_enabled(void)
1317 return semihosting.enabled;
1320 SemihostingTarget semihosting_get_target(void)
1322 return semihosting.target;
1325 const char *semihosting_get_arg(int i)
1327 if (i >= semihosting.argc) {
1330 return semihosting.argv[i];
1333 int semihosting_get_argc(void)
1335 return semihosting.argc;
1338 const char *semihosting_get_cmdline(void)
1340 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1341 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1343 return semihosting.cmdline;
1346 static int add_semihosting_arg(void *opaque,
1347 const char *name, const char *val,
1350 SemihostingConfig *s = opaque;
1351 if (strcmp(name, "arg") == 0) {
1353 /* one extra element as g_strjoinv() expects NULL-terminated array */
1354 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1355 s->argv[s->argc - 1] = val;
1356 s->argv[s->argc] = NULL;
1361 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1362 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1367 add_semihosting_arg(&semihosting, "arg", file, NULL);
1369 /* split -append and initialize argv[1..n] */
1370 cmd_token = strtok(g_strdup(cmd), " ");
1372 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1373 cmd_token = strtok(NULL, " ");
1377 /* Now we still need this for compatibility with XEN. */
1378 bool has_igd_gfx_passthru;
1379 static void igd_gfx_passthru(void)
1381 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 /***********************************************************/
1387 static int usb_device_add(const char *devname)
1389 USBDevice *dev = NULL;
1390 #ifndef CONFIG_LINUX
1394 if (!usb_enabled()) {
1398 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1399 dev = usbdevice_create(devname);
1403 /* the other ones */
1404 #ifndef CONFIG_LINUX
1405 /* only the linux version is qdev-ified, usb-bsd still needs this */
1406 if (strstart(devname, "host:", &p)) {
1407 dev = usb_host_device_open(usb_bus_find(-1), p);
1417 static int usb_device_del(const char *devname)
1422 if (strstart(devname, "host:", &p)) {
1426 if (!usb_enabled()) {
1430 p = strchr(devname, '.');
1433 bus_num = strtoul(devname, NULL, 0);
1434 addr = strtoul(p + 1, NULL, 0);
1436 return usb_device_delete_addr(bus_num, addr);
1439 static int usb_parse(const char *cmdline)
1442 r = usb_device_add(cmdline);
1444 error_report("could not add USB device '%s'", cmdline);
1449 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1451 const char *devname = qdict_get_str(qdict, "devname");
1452 if (usb_device_add(devname) < 0) {
1453 error_report("could not add USB device '%s'", devname);
1457 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1459 const char *devname = qdict_get_str(qdict, "devname");
1460 if (usb_device_del(devname) < 0) {
1461 error_report("could not delete USB device '%s'", devname);
1465 /***********************************************************/
1466 /* machine registration */
1468 MachineState *current_machine;
1470 static MachineClass *find_machine(const char *name)
1472 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1473 MachineClass *mc = NULL;
1475 for (el = machines; el; el = el->next) {
1476 MachineClass *temp = el->data;
1478 if (!strcmp(temp->name, name)) {
1483 !strcmp(temp->alias, name)) {
1489 g_slist_free(machines);
1493 MachineClass *find_default_machine(void)
1495 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1496 MachineClass *mc = NULL;
1498 for (el = machines; el; el = el->next) {
1499 MachineClass *temp = el->data;
1501 if (temp->is_default) {
1507 g_slist_free(machines);
1511 MachineInfoList *qmp_query_machines(Error **errp)
1513 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1514 MachineInfoList *mach_list = NULL;
1516 for (el = machines; el; el = el->next) {
1517 MachineClass *mc = el->data;
1518 MachineInfoList *entry;
1521 info = g_malloc0(sizeof(*info));
1522 if (mc->is_default) {
1523 info->has_is_default = true;
1524 info->is_default = true;
1528 info->has_alias = true;
1529 info->alias = g_strdup(mc->alias);
1532 info->name = g_strdup(mc->name);
1533 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1535 entry = g_malloc0(sizeof(*entry));
1536 entry->value = info;
1537 entry->next = mach_list;
1541 g_slist_free(machines);
1545 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1547 ObjectProperty *prop;
1548 ObjectPropertyIterator iter;
1550 if (!qemu_opt_has_help_opt(opts)) {
1554 object_property_iter_init(&iter, OBJECT(machine));
1555 while ((prop = object_property_iter_next(&iter))) {
1560 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1561 prop->name, prop->type);
1562 if (prop->description) {
1563 error_printf(" (%s)\n", prop->description);
1572 /***********************************************************/
1573 /* main execution loop */
1575 struct vm_change_state_entry {
1576 VMChangeStateHandler *cb;
1578 QLIST_ENTRY (vm_change_state_entry) entries;
1581 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1583 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1586 VMChangeStateEntry *e;
1588 e = g_malloc0(sizeof (*e));
1592 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1596 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1598 QLIST_REMOVE (e, entries);
1602 void vm_state_notify(int running, RunState state)
1604 VMChangeStateEntry *e, *next;
1606 trace_vm_state_notify(running, state);
1608 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1609 e->cb(e->opaque, running, state);
1613 /* reset/shutdown handler */
1615 typedef struct QEMUResetEntry {
1616 QTAILQ_ENTRY(QEMUResetEntry) entry;
1617 QEMUResetHandler *func;
1621 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1622 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1623 static int reset_requested;
1624 static int shutdown_requested, shutdown_signal = -1;
1625 static pid_t shutdown_pid;
1626 static int powerdown_requested;
1627 static int debug_requested;
1628 static int suspend_requested;
1629 static WakeupReason wakeup_reason;
1630 static NotifierList powerdown_notifiers =
1631 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1632 static NotifierList suspend_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1634 static NotifierList wakeup_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1636 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1638 int qemu_shutdown_requested_get(void)
1640 return shutdown_requested;
1643 int qemu_reset_requested_get(void)
1645 return reset_requested;
1648 static int qemu_shutdown_requested(void)
1650 return atomic_xchg(&shutdown_requested, 0);
1653 static void qemu_kill_report(void)
1655 if (!qtest_driver() && shutdown_signal != -1) {
1656 if (shutdown_pid == 0) {
1657 /* This happens for eg ^C at the terminal, so it's worth
1658 * avoiding printing an odd message in that case.
1660 error_report("terminating on signal %d", shutdown_signal);
1662 error_report("terminating on signal %d from pid " FMT_pid,
1663 shutdown_signal, shutdown_pid);
1665 shutdown_signal = -1;
1669 static int qemu_reset_requested(void)
1671 int r = reset_requested;
1672 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1673 reset_requested = 0;
1679 static int qemu_suspend_requested(void)
1681 int r = suspend_requested;
1682 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1683 suspend_requested = 0;
1689 static WakeupReason qemu_wakeup_requested(void)
1691 return wakeup_reason;
1694 static int qemu_powerdown_requested(void)
1696 int r = powerdown_requested;
1697 powerdown_requested = 0;
1701 static int qemu_debug_requested(void)
1703 int r = debug_requested;
1704 debug_requested = 0;
1708 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1710 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1713 re->opaque = opaque;
1714 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1717 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1721 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1722 if (re->func == func && re->opaque == opaque) {
1723 QTAILQ_REMOVE(&reset_handlers, re, entry);
1730 void qemu_devices_reset(void)
1732 QEMUResetEntry *re, *nre;
1734 /* reset all devices */
1735 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1736 re->func(re->opaque);
1740 void qemu_system_reset(bool report)
1744 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1746 cpu_synchronize_all_states();
1748 if (mc && mc->reset) {
1751 qemu_devices_reset();
1754 qapi_event_send_reset(&error_abort);
1756 cpu_synchronize_all_post_reset();
1759 void qemu_system_guest_panicked(void)
1762 current_cpu->crash_occurred = true;
1764 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1765 vm_stop(RUN_STATE_GUEST_PANICKED);
1768 void qemu_system_reset_request(void)
1771 shutdown_requested = 1;
1773 reset_requested = 1;
1776 qemu_notify_event();
1779 static void qemu_system_suspend(void)
1782 notifier_list_notify(&suspend_notifiers, NULL);
1783 runstate_set(RUN_STATE_SUSPENDED);
1784 qapi_event_send_suspend(&error_abort);
1787 void qemu_system_suspend_request(void)
1789 if (runstate_check(RUN_STATE_SUSPENDED)) {
1792 suspend_requested = 1;
1794 qemu_notify_event();
1797 void qemu_register_suspend_notifier(Notifier *notifier)
1799 notifier_list_add(&suspend_notifiers, notifier);
1802 void qemu_system_wakeup_request(WakeupReason reason)
1804 trace_system_wakeup_request(reason);
1806 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1809 if (!(wakeup_reason_mask & (1 << reason))) {
1812 runstate_set(RUN_STATE_RUNNING);
1813 wakeup_reason = reason;
1814 qemu_notify_event();
1817 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1820 wakeup_reason_mask |= (1 << reason);
1822 wakeup_reason_mask &= ~(1 << reason);
1826 void qemu_register_wakeup_notifier(Notifier *notifier)
1828 notifier_list_add(&wakeup_notifiers, notifier);
1831 void qemu_system_killed(int signal, pid_t pid)
1833 shutdown_signal = signal;
1837 /* Cannot call qemu_system_shutdown_request directly because
1838 * we are in a signal handler.
1840 shutdown_requested = 1;
1841 qemu_notify_event();
1844 void qemu_system_shutdown_request(void)
1846 trace_qemu_system_shutdown_request();
1847 replay_shutdown_request();
1848 shutdown_requested = 1;
1849 qemu_notify_event();
1852 static void qemu_system_powerdown(void)
1854 qapi_event_send_powerdown(&error_abort);
1855 notifier_list_notify(&powerdown_notifiers, NULL);
1858 void qemu_system_powerdown_request(void)
1860 trace_qemu_system_powerdown_request();
1861 powerdown_requested = 1;
1862 qemu_notify_event();
1865 void qemu_register_powerdown_notifier(Notifier *notifier)
1867 notifier_list_add(&powerdown_notifiers, notifier);
1870 void qemu_system_debug_request(void)
1872 debug_requested = 1;
1873 qemu_notify_event();
1876 static bool main_loop_should_exit(void)
1879 if (qemu_debug_requested()) {
1880 vm_stop(RUN_STATE_DEBUG);
1882 if (qemu_suspend_requested()) {
1883 qemu_system_suspend();
1885 if (qemu_shutdown_requested()) {
1887 qapi_event_send_shutdown(&error_abort);
1889 vm_stop(RUN_STATE_SHUTDOWN);
1894 if (qemu_reset_requested()) {
1896 qemu_system_reset(VMRESET_REPORT);
1898 if (!runstate_check(RUN_STATE_RUNNING) &&
1899 !runstate_check(RUN_STATE_INMIGRATE)) {
1900 runstate_set(RUN_STATE_PRELAUNCH);
1903 if (qemu_wakeup_requested()) {
1905 qemu_system_reset(VMRESET_SILENT);
1906 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1907 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1909 qapi_event_send_wakeup(&error_abort);
1911 if (qemu_powerdown_requested()) {
1912 qemu_system_powerdown();
1914 if (qemu_vmstop_requested(&r)) {
1920 static void main_loop(void)
1924 #ifdef CONFIG_PROFILER
1928 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1929 #ifdef CONFIG_PROFILER
1930 ti = profile_getclock();
1932 last_io = main_loop_wait(nonblocking);
1933 #ifdef CONFIG_PROFILER
1934 dev_time += profile_getclock() - ti;
1936 } while (!main_loop_should_exit());
1939 static void version(void)
1941 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1944 static void help(int exitcode)
1947 printf("usage: %s [options] [disk_image]\n\n"
1948 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1949 error_get_progname());
1951 #define QEMU_OPTIONS_GENERATE_HELP
1952 #include "qemu-options-wrapper.h"
1954 printf("\nDuring emulation, the following keys are useful:\n"
1955 "ctrl-alt-f toggle full screen\n"
1956 "ctrl-alt-n switch to virtual console 'n'\n"
1957 "ctrl-alt toggle mouse and keyboard grab\n"
1959 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1964 #define HAS_ARG 0x0001
1966 typedef struct QEMUOption {
1973 static const QEMUOption qemu_options[] = {
1974 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1975 #define QEMU_OPTIONS_GENERATE_OPTIONS
1976 #include "qemu-options-wrapper.h"
1980 typedef struct VGAInterfaceInfo {
1981 const char *opt_name; /* option name */
1982 const char *name; /* human-readable name */
1983 /* Class names indicating that support is available.
1984 * If no class is specified, the interface is always available */
1985 const char *class_names[2];
1988 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1994 .name = "standard VGA",
1995 .class_names = { "VGA", "isa-vga" },
1998 .opt_name = "cirrus",
1999 .name = "Cirrus VGA",
2000 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2003 .opt_name = "vmware",
2004 .name = "VMWare SVGA",
2005 .class_names = { "vmware-svga" },
2008 .opt_name = "virtio",
2009 .name = "Virtio VGA",
2010 .class_names = { "virtio-vga" },
2015 .class_names = { "qxl-vga" },
2019 .name = "TCX framebuffer",
2020 .class_names = { "SUNW,tcx" },
2024 .name = "CG3 framebuffer",
2025 .class_names = { "cgthree" },
2028 .opt_name = "xenfb",
2032 static bool vga_interface_available(VGAInterfaceType t)
2034 VGAInterfaceInfo *ti = &vga_interfaces[t];
2036 assert(t < VGA_TYPE_MAX);
2037 return !ti->class_names[0] ||
2038 object_class_by_name(ti->class_names[0]) ||
2039 object_class_by_name(ti->class_names[1]);
2042 static void select_vgahw(const char *p)
2047 assert(vga_interface_type == VGA_NONE);
2048 for (t = 0; t < VGA_TYPE_MAX; t++) {
2049 VGAInterfaceInfo *ti = &vga_interfaces[t];
2050 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2051 if (!vga_interface_available(t)) {
2052 error_report("%s not available", ti->name);
2055 vga_interface_type = t;
2059 if (t == VGA_TYPE_MAX) {
2061 error_report("unknown vga type: %s", p);
2065 const char *nextopt;
2067 if (strstart(opts, ",retrace=", &nextopt)) {
2069 if (strstart(opts, "dumb", &nextopt))
2070 vga_retrace_method = VGA_RETRACE_DUMB;
2071 else if (strstart(opts, "precise", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_PRECISE;
2073 else goto invalid_vga;
2074 } else goto invalid_vga;
2079 typedef enum DisplayType {
2088 static DisplayType select_display(const char *p)
2091 DisplayType display = DT_DEFAULT;
2093 if (strstart(p, "sdl", &opts)) {
2097 const char *nextopt;
2099 if (strstart(opts, ",frame=", &nextopt)) {
2101 if (strstart(opts, "on", &nextopt)) {
2103 } else if (strstart(opts, "off", &nextopt)) {
2106 goto invalid_sdl_args;
2108 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2110 if (strstart(opts, "on", &nextopt)) {
2112 } else if (strstart(opts, "off", &nextopt)) {
2115 goto invalid_sdl_args;
2117 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2119 if (strstart(opts, "on", &nextopt)) {
2121 } else if (strstart(opts, "off", &nextopt)) {
2124 goto invalid_sdl_args;
2126 } else if (strstart(opts, ",window_close=", &nextopt)) {
2128 if (strstart(opts, "on", &nextopt)) {
2130 } else if (strstart(opts, "off", &nextopt)) {
2133 goto invalid_sdl_args;
2135 } else if (strstart(opts, ",gl=", &nextopt)) {
2137 if (strstart(opts, "on", &nextopt)) {
2139 } else if (strstart(opts, "off", &nextopt)) {
2142 goto invalid_sdl_args;
2146 error_report("invalid SDL option string");
2152 error_report("SDL support is disabled");
2155 } else if (strstart(p, "vnc", &opts)) {
2158 if (vnc_parse(opts + 1, &err) == NULL) {
2159 error_report_err(err);
2163 error_report("VNC requires a display argument vnc=<display>");
2166 } else if (strstart(p, "curses", &opts)) {
2167 #ifdef CONFIG_CURSES
2168 display = DT_CURSES;
2170 error_report("curses support is disabled");
2173 } else if (strstart(p, "gtk", &opts)) {
2177 const char *nextopt;
2179 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2181 if (strstart(opts, "on", &nextopt)) {
2182 grab_on_hover = true;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 grab_on_hover = false;
2186 goto invalid_gtk_args;
2188 } else if (strstart(opts, ",gl=", &nextopt)) {
2190 if (strstart(opts, "on", &nextopt)) {
2192 } else if (strstart(opts, "off", &nextopt)) {
2195 goto invalid_gtk_args;
2199 error_report("invalid GTK option string");
2205 error_report("GTK support is disabled");
2208 } else if (strstart(p, "none", &opts)) {
2211 error_report("unknown display type");
2218 static int balloon_parse(const char *arg)
2222 if (strcmp(arg, "none") == 0) {
2226 if (!strncmp(arg, "virtio", 6)) {
2227 if (arg[6] == ',') {
2228 /* have params -> parse them */
2229 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2234 /* create empty opts */
2235 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2238 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2245 char *qemu_find_file(int type, const char *name)
2251 /* Try the name as a straight path first */
2252 if (access(name, R_OK) == 0) {
2253 trace_load_file(name, name);
2254 return g_strdup(name);
2258 case QEMU_FILE_TYPE_BIOS:
2261 case QEMU_FILE_TYPE_KEYMAP:
2262 subdir = "keymaps/";
2268 for (i = 0; i < data_dir_idx; i++) {
2269 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2270 if (access(buf, R_OK) == 0) {
2271 trace_load_file(name, buf);
2279 static inline bool nonempty_str(const char *str)
2284 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2288 const char *name, *file, *str;
2289 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2291 if (fw_cfg == NULL) {
2292 error_report("fw_cfg device not available");
2295 name = qemu_opt_get(opts, "name");
2296 file = qemu_opt_get(opts, "file");
2297 str = qemu_opt_get(opts, "string");
2299 /* we need name and either a file or the content string */
2300 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2301 error_report("invalid argument(s)");
2304 if (nonempty_str(file) && nonempty_str(str)) {
2305 error_report("file and string are mutually exclusive");
2308 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2309 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2312 if (strncmp(name, "opt/", 4) != 0) {
2313 error_report("warning: externally provided fw_cfg item names "
2314 "should be prefixed with \"opt/\"");
2316 if (nonempty_str(str)) {
2317 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2318 buf = g_memdup(str, size);
2320 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2321 error_report("can't load %s", file);
2325 /* For legacy, keep user files in a specific global order. */
2326 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2327 fw_cfg_add_file(fw_cfg, name, buf, size);
2328 fw_cfg_reset_order_override(fw_cfg);
2332 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2334 return qdev_device_help(opts);
2337 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2342 dev = qdev_device_add(opts, &err);
2344 error_report_err(err);
2347 object_unref(OBJECT(dev));
2351 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2353 Error *local_err = NULL;
2355 qemu_chr_new_from_opts(opts, NULL, &local_err);
2357 error_report_err(local_err);
2363 #ifdef CONFIG_VIRTFS
2364 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 ret = qemu_fsdev_add(opts);
2373 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2375 CharDriverState *chr;
2376 const char *chardev;
2380 mode = qemu_opt_get(opts, "mode");
2384 if (strcmp(mode, "readline") == 0) {
2385 flags = MONITOR_USE_READLINE;
2386 } else if (strcmp(mode, "control") == 0) {
2387 flags = MONITOR_USE_CONTROL;
2389 error_report("unknown monitor mode \"%s\"", mode);
2393 if (qemu_opt_get_bool(opts, "pretty", 0))
2394 flags |= MONITOR_USE_PRETTY;
2396 if (qemu_opt_get_bool(opts, "default", 0))
2397 flags |= MONITOR_IS_DEFAULT;
2399 chardev = qemu_opt_get(opts, "chardev");
2400 chr = qemu_chr_find(chardev);
2402 error_report("chardev \"%s\" not found", chardev);
2406 qemu_chr_fe_claim_no_fail(chr);
2407 monitor_init(chr, flags);
2411 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2413 static int monitor_device_index = 0;
2414 Error *local_err = NULL;
2420 if (strstart(optarg, "chardev:", &p)) {
2421 snprintf(label, sizeof(label), "%s", p);
2423 snprintf(label, sizeof(label), "compat_monitor%d",
2424 monitor_device_index);
2425 if (monitor_device_index == 0) {
2428 opts = qemu_chr_parse_compat(label, optarg);
2430 error_report("parse error: %s", optarg);
2435 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2437 error_report_err(local_err);
2440 qemu_opt_set(opts, "mode", mode, &error_abort);
2441 qemu_opt_set(opts, "chardev", label, &error_abort);
2442 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2444 qemu_opt_set(opts, "default", "on", &error_abort);
2445 monitor_device_index++;
2448 struct device_config {
2450 DEV_USB, /* -usbdevice */
2452 DEV_SERIAL, /* -serial */
2453 DEV_PARALLEL, /* -parallel */
2454 DEV_VIRTCON, /* -virtioconsole */
2455 DEV_DEBUGCON, /* -debugcon */
2456 DEV_GDB, /* -gdb, -s */
2457 DEV_SCLP, /* s390 sclp */
2459 const char *cmdline;
2461 QTAILQ_ENTRY(device_config) next;
2464 static QTAILQ_HEAD(, device_config) device_configs =
2465 QTAILQ_HEAD_INITIALIZER(device_configs);
2467 static void add_device_config(int type, const char *cmdline)
2469 struct device_config *conf;
2471 conf = g_malloc0(sizeof(*conf));
2473 conf->cmdline = cmdline;
2474 loc_save(&conf->loc);
2475 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2478 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2480 struct device_config *conf;
2483 QTAILQ_FOREACH(conf, &device_configs, next) {
2484 if (conf->type != type)
2486 loc_push_restore(&conf->loc);
2487 rc = func(conf->cmdline);
2488 loc_pop(&conf->loc);
2496 static int serial_parse(const char *devname)
2498 static int index = 0;
2501 if (strcmp(devname, "none") == 0)
2503 if (index == MAX_SERIAL_PORTS) {
2504 error_report("too many serial ports");
2507 snprintf(label, sizeof(label), "serial%d", index);
2508 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2509 if (!serial_hds[index]) {
2510 error_report("could not connect serial device"
2511 " to character backend '%s'", devname);
2518 static int parallel_parse(const char *devname)
2520 static int index = 0;
2523 if (strcmp(devname, "none") == 0)
2525 if (index == MAX_PARALLEL_PORTS) {
2526 error_report("too many parallel ports");
2529 snprintf(label, sizeof(label), "parallel%d", index);
2530 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2531 if (!parallel_hds[index]) {
2532 error_report("could not connect parallel device"
2533 " to character backend '%s'", devname);
2540 static int virtcon_parse(const char *devname)
2542 QemuOptsList *device = qemu_find_opts("device");
2543 static int index = 0;
2545 QemuOpts *bus_opts, *dev_opts;
2547 if (strcmp(devname, "none") == 0)
2549 if (index == MAX_VIRTIO_CONSOLES) {
2550 error_report("too many virtio consoles");
2554 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2555 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2557 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2558 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2560 snprintf(label, sizeof(label), "virtcon%d", index);
2561 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!virtcon_hds[index]) {
2563 error_report("could not connect virtio console"
2564 " to character backend '%s'", devname);
2567 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2573 static int sclp_parse(const char *devname)
2575 QemuOptsList *device = qemu_find_opts("device");
2576 static int index = 0;
2580 if (strcmp(devname, "none") == 0) {
2583 if (index == MAX_SCLP_CONSOLES) {
2584 error_report("too many sclp consoles");
2588 assert(arch_type == QEMU_ARCH_S390X);
2590 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2591 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2593 snprintf(label, sizeof(label), "sclpcon%d", index);
2594 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2595 if (!sclp_hds[index]) {
2596 error_report("could not connect sclp console"
2597 " to character backend '%s'", devname);
2600 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2606 static int debugcon_parse(const char *devname)
2610 if (!qemu_chr_new("debugcon", devname, NULL)) {
2613 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2615 error_report("already have a debugcon device");
2618 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2619 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2623 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2625 const MachineClass *mc1 = a, *mc2 = b;
2628 if (mc1->family == NULL) {
2629 if (mc2->family == NULL) {
2630 /* Compare standalone machine types against each other; they sort
2631 * in increasing order.
2633 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2634 object_class_get_name(OBJECT_CLASS(mc2)));
2637 /* Standalone machine types sort after families. */
2641 if (mc2->family == NULL) {
2642 /* Families sort before standalone machine types. */
2646 /* Families sort between each other alphabetically increasingly. */
2647 res = strcmp(mc1->family, mc2->family);
2652 /* Within the same family, machine types sort in decreasing order. */
2653 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2654 object_class_get_name(OBJECT_CLASS(mc1)));
2657 static MachineClass *machine_parse(const char *name)
2659 MachineClass *mc = NULL;
2660 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2663 mc = find_machine(name);
2666 g_slist_free(machines);
2669 if (name && !is_help_option(name)) {
2670 error_report("unsupported machine type");
2671 error_printf("Use -machine help to list supported machines\n");
2673 printf("Supported machines are:\n");
2674 machines = g_slist_sort(machines, machine_class_cmp);
2675 for (el = machines; el; el = el->next) {
2676 MachineClass *mc = el->data;
2678 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2680 printf("%-20s %s%s\n", mc->name, mc->desc,
2681 mc->is_default ? " (default)" : "");
2685 g_slist_free(machines);
2686 exit(!name || !is_help_option(name));
2689 void qemu_add_exit_notifier(Notifier *notify)
2691 notifier_list_add(&exit_notifiers, notify);
2694 void qemu_remove_exit_notifier(Notifier *notify)
2696 notifier_remove(notify);
2699 static void qemu_run_exit_notifiers(void)
2701 notifier_list_notify(&exit_notifiers, NULL);
2704 static bool machine_init_done;
2706 void qemu_add_machine_init_done_notifier(Notifier *notify)
2708 notifier_list_add(&machine_init_done_notifiers, notify);
2709 if (machine_init_done) {
2710 notify->notify(notify, NULL);
2714 static void qemu_run_machine_init_done_notifiers(void)
2716 notifier_list_notify(&machine_init_done_notifiers, NULL);
2717 machine_init_done = true;
2720 static const QEMUOption *lookup_opt(int argc, char **argv,
2721 const char **poptarg, int *poptind)
2723 const QEMUOption *popt;
2724 int optind = *poptind;
2725 char *r = argv[optind];
2728 loc_set_cmdline(argv, optind, 1);
2730 /* Treat --foo the same as -foo. */
2733 popt = qemu_options;
2736 error_report("invalid option");
2739 if (!strcmp(popt->name, r + 1))
2743 if (popt->flags & HAS_ARG) {
2744 if (optind >= argc) {
2745 error_report("requires an argument");
2748 optarg = argv[optind++];
2749 loc_set_cmdline(argv, optind - 2, 2);
2760 static MachineClass *select_machine(void)
2762 MachineClass *machine_class = find_default_machine();
2767 loc_push_none(&loc);
2769 opts = qemu_get_machine_opts();
2770 qemu_opts_loc_restore(opts);
2772 optarg = qemu_opt_get(opts, "type");
2774 machine_class = machine_parse(optarg);
2777 if (!machine_class) {
2778 error_report("No machine specified, and there is no default");
2779 error_printf("Use -machine help to list supported machines\n");
2784 return machine_class;
2787 static int machine_set_property(void *opaque,
2788 const char *name, const char *value,
2791 Object *obj = OBJECT(opaque);
2792 Error *local_err = NULL;
2795 if (strcmp(name, "type") == 0) {
2799 qom_name = g_strdup(name);
2807 object_property_parse(obj, value, qom_name, &local_err);
2811 error_report_err(local_err);
2820 * Initial object creation happens before all other
2821 * QEMU data types are created. The majority of objects
2822 * can be created at this point. The rng-egd object
2823 * cannot be created here, as it depends on the chardev
2826 static bool object_create_initial(const char *type)
2828 if (g_str_equal(type, "rng-egd")) {
2833 * return false for concrete netfilters since
2834 * they depend on netdevs already existing
2836 if (g_str_equal(type, "filter-buffer") ||
2837 g_str_equal(type, "filter-dump") ||
2838 g_str_equal(type, "filter-mirror") ||
2839 g_str_equal(type, "filter-redirector")) {
2848 * The remainder of object creation happens after the
2849 * creation of chardev, fsdev, net clients and device data types.
2851 static bool object_create_delayed(const char *type)
2853 return !object_create_initial(type);
2857 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2861 const char *mem_str;
2862 const char *maxmem_str, *slots_str;
2863 const ram_addr_t default_ram_size = mc->default_ram_size;
2864 QemuOpts *opts = qemu_find_opts_singleton("memory");
2867 loc_push_none(&loc);
2868 qemu_opts_loc_restore(opts);
2871 mem_str = qemu_opt_get(opts, "size");
2874 error_report("missing 'size' option value");
2878 sz = qemu_opt_get_size(opts, "size", ram_size);
2880 /* Fix up legacy suffix-less format */
2881 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2882 uint64_t overflow_check = sz;
2885 if ((sz >> 20) != overflow_check) {
2886 error_report("too large 'size' option value");
2892 /* backward compatibility behaviour for case "-m 0" */
2894 sz = default_ram_size;
2897 sz = QEMU_ALIGN_UP(sz, 8192);
2899 if (ram_size != sz) {
2900 error_report("ram size too large");
2904 /* store value for the future use */
2905 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2906 *maxram_size = ram_size;
2908 maxmem_str = qemu_opt_get(opts, "maxmem");
2909 slots_str = qemu_opt_get(opts, "slots");
2910 if (maxmem_str && slots_str) {
2913 sz = qemu_opt_get_size(opts, "maxmem", 0);
2914 slots = qemu_opt_get_number(opts, "slots", 0);
2915 if (sz < ram_size) {
2916 error_report("invalid value of -m option maxmem: "
2917 "maximum memory size (0x%" PRIx64 ") must be at least "
2918 "the initial memory size (0x" RAM_ADDR_FMT ")",
2921 } else if (sz > ram_size) {
2923 error_report("invalid value of -m option: maxmem was "
2924 "specified, but no hotplug slots were specified");
2928 error_report("invalid value of -m option maxmem: "
2929 "memory slots were specified but maximum memory size "
2930 "(0x%" PRIx64 ") is equal to the initial memory size "
2931 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2937 } else if ((!maxmem_str && slots_str) ||
2938 (maxmem_str && !slots_str)) {
2939 error_report("invalid -m option value: missing "
2940 "'%s' option", slots_str ? "maxmem" : "slots");
2947 int main(int argc, char **argv, char **envp)
2950 int snapshot, linux_boot;
2951 const char *initrd_filename;
2952 const char *kernel_filename, *kernel_cmdline;
2953 const char *boot_order = NULL;
2954 const char *boot_once = NULL;
2956 int cyls, heads, secs, translation;
2957 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2958 QemuOptsList *olist;
2961 const char *loadvm = NULL;
2962 MachineClass *machine_class;
2963 const char *cpu_model;
2964 const char *vga_model = NULL;
2965 const char *qtest_chrdev = NULL;
2966 const char *qtest_log = NULL;
2967 const char *pid_file = NULL;
2968 const char *incoming = NULL;
2969 int show_vnc_port = 0;
2970 bool defconfig = true;
2971 bool userconfig = true;
2972 bool nographic = false;
2973 DisplayType display_type = DT_DEFAULT;
2974 int display_remote = 0;
2975 const char *log_mask = NULL;
2976 const char *log_file = NULL;
2977 char *trace_file = NULL;
2978 ram_addr_t maxram_size;
2979 uint64_t ram_slots = 0;
2980 FILE *vmstate_dump_file = NULL;
2981 Error *main_loop_err = NULL;
2984 qemu_init_cpu_loop();
2985 qemu_mutex_lock_iothread();
2987 atexit(qemu_run_exit_notifiers);
2988 error_set_progname(argv[0]);
2989 qemu_init_exec_dir(argv[0]);
2991 module_call_init(MODULE_INIT_QOM);
2993 qemu_add_opts(&qemu_drive_opts);
2994 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2995 qemu_add_drive_opts(&qemu_common_drive_opts);
2996 qemu_add_drive_opts(&qemu_drive_opts);
2997 qemu_add_opts(&qemu_chardev_opts);
2998 qemu_add_opts(&qemu_device_opts);
2999 qemu_add_opts(&qemu_netdev_opts);
3000 qemu_add_opts(&qemu_net_opts);
3001 qemu_add_opts(&qemu_rtc_opts);
3002 qemu_add_opts(&qemu_global_opts);
3003 qemu_add_opts(&qemu_mon_opts);
3004 qemu_add_opts(&qemu_trace_opts);
3005 qemu_add_opts(&qemu_option_rom_opts);
3006 qemu_add_opts(&qemu_machine_opts);
3007 qemu_add_opts(&qemu_mem_opts);
3008 qemu_add_opts(&qemu_smp_opts);
3009 qemu_add_opts(&qemu_boot_opts);
3010 qemu_add_opts(&qemu_sandbox_opts);
3011 qemu_add_opts(&qemu_add_fd_opts);
3012 qemu_add_opts(&qemu_object_opts);
3013 qemu_add_opts(&qemu_tpmdev_opts);
3014 qemu_add_opts(&qemu_realtime_opts);
3015 qemu_add_opts(&qemu_msg_opts);
3016 qemu_add_opts(&qemu_name_opts);
3017 qemu_add_opts(&qemu_numa_opts);
3018 qemu_add_opts(&qemu_icount_opts);
3019 qemu_add_opts(&qemu_semihosting_config_opts);
3020 qemu_add_opts(&qemu_fw_cfg_opts);
3021 module_call_init(MODULE_INIT_OPTS);
3025 if (qcrypto_init(&err) < 0) {
3026 error_reportf_err(err, "cannot initialize crypto: ");
3029 rtc_clock = QEMU_CLOCK_HOST;
3031 QLIST_INIT (&vm_change_state_head);
3032 os_setup_early_signal_handling();
3036 cyls = heads = secs = 0;
3037 translation = BIOS_ATA_TRANSLATION_AUTO;
3041 bdrv_init_with_whitelist();
3045 /* first pass of option parsing */
3047 while (optind < argc) {
3048 if (argv[optind][0] != '-') {
3052 const QEMUOption *popt;
3054 popt = lookup_opt(argc, argv, &optarg, &optind);
3055 switch (popt->index) {
3056 case QEMU_OPTION_nodefconfig:
3059 case QEMU_OPTION_nouserconfig:
3068 ret = qemu_read_default_config_files(userconfig);
3074 /* second pass of option parsing */
3079 if (argv[optind][0] != '-') {
3080 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3082 const QEMUOption *popt;
3084 popt = lookup_opt(argc, argv, &optarg, &optind);
3085 if (!(popt->arch_mask & arch_type)) {
3086 printf("Option %s not supported for this target\n", popt->name);
3089 switch(popt->index) {
3090 case QEMU_OPTION_no_kvm_irqchip: {
3091 olist = qemu_find_opts("machine");
3092 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3095 case QEMU_OPTION_cpu:
3096 /* hw initialization will check this */
3099 case QEMU_OPTION_hda:
3103 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3105 snprintf(buf, sizeof(buf),
3106 "%s,cyls=%d,heads=%d,secs=%d%s",
3107 HD_OPTS , cyls, heads, secs,
3108 translation == BIOS_ATA_TRANSLATION_LBA ?
3110 translation == BIOS_ATA_TRANSLATION_NONE ?
3111 ",trans=none" : "");
3112 drive_add(IF_DEFAULT, 0, optarg, buf);
3115 case QEMU_OPTION_hdb:
3116 case QEMU_OPTION_hdc:
3117 case QEMU_OPTION_hdd:
3118 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3121 case QEMU_OPTION_drive:
3122 if (drive_def(optarg) == NULL) {
3126 case QEMU_OPTION_set:
3127 if (qemu_set_option(optarg) != 0)
3130 case QEMU_OPTION_global:
3131 if (qemu_global_option(optarg) != 0)
3134 case QEMU_OPTION_mtdblock:
3135 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3137 case QEMU_OPTION_sd:
3138 drive_add(IF_SD, -1, optarg, SD_OPTS);
3140 case QEMU_OPTION_pflash:
3141 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3143 case QEMU_OPTION_snapshot:
3146 case QEMU_OPTION_hdachs:
3150 cyls = strtol(p, (char **)&p, 0);
3151 if (cyls < 1 || cyls > 16383)
3156 heads = strtol(p, (char **)&p, 0);
3157 if (heads < 1 || heads > 16)
3162 secs = strtol(p, (char **)&p, 0);
3163 if (secs < 1 || secs > 63)
3167 if (!strcmp(p, "large")) {
3168 translation = BIOS_ATA_TRANSLATION_LARGE;
3169 } else if (!strcmp(p, "rechs")) {
3170 translation = BIOS_ATA_TRANSLATION_RECHS;
3171 } else if (!strcmp(p, "none")) {
3172 translation = BIOS_ATA_TRANSLATION_NONE;
3173 } else if (!strcmp(p, "lba")) {
3174 translation = BIOS_ATA_TRANSLATION_LBA;
3175 } else if (!strcmp(p, "auto")) {
3176 translation = BIOS_ATA_TRANSLATION_AUTO;
3180 } else if (*p != '\0') {
3182 error_report("invalid physical CHS format");
3185 if (hda_opts != NULL) {
3186 qemu_opt_set_number(hda_opts, "cyls", cyls,
3188 qemu_opt_set_number(hda_opts, "heads", heads,
3190 qemu_opt_set_number(hda_opts, "secs", secs,
3192 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3193 qemu_opt_set(hda_opts, "trans", "large",
3195 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3196 qemu_opt_set(hda_opts, "trans", "rechs",
3198 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3199 qemu_opt_set(hda_opts, "trans", "lba",
3201 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3202 qemu_opt_set(hda_opts, "trans", "none",
3208 case QEMU_OPTION_numa:
3209 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3215 case QEMU_OPTION_display:
3216 display_type = select_display(optarg);
3218 case QEMU_OPTION_nographic:
3219 olist = qemu_find_opts("machine");
3220 qemu_opts_parse_noisily(olist, "graphics=off", false);
3222 display_type = DT_NONE;
3224 case QEMU_OPTION_curses:
3225 #ifdef CONFIG_CURSES
3226 display_type = DT_CURSES;
3228 error_report("curses support is disabled");
3232 case QEMU_OPTION_portrait:
3233 graphic_rotate = 90;
3235 case QEMU_OPTION_rotate:
3236 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3237 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3238 graphic_rotate != 180 && graphic_rotate != 270) {
3239 error_report("only 90, 180, 270 deg rotation is available");
3243 case QEMU_OPTION_kernel:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3247 case QEMU_OPTION_initrd:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3251 case QEMU_OPTION_append:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3255 case QEMU_OPTION_dtb:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3259 case QEMU_OPTION_cdrom:
3260 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3262 case QEMU_OPTION_boot:
3263 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3269 case QEMU_OPTION_fda:
3270 case QEMU_OPTION_fdb:
3271 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3274 case QEMU_OPTION_no_fd_bootchk:
3277 case QEMU_OPTION_netdev:
3278 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3282 case QEMU_OPTION_net:
3283 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3287 #ifdef CONFIG_LIBISCSI
3288 case QEMU_OPTION_iscsi:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3297 case QEMU_OPTION_tftp:
3298 error_report("The -tftp option is deprecated. "
3299 "Please use '-netdev user,tftp=...' instead.");
3300 legacy_tftp_prefix = optarg;
3302 case QEMU_OPTION_bootp:
3303 error_report("The -bootp option is deprecated. "
3304 "Please use '-netdev user,bootfile=...' instead.");
3305 legacy_bootp_filename = optarg;
3307 case QEMU_OPTION_redir:
3308 error_report("The -redir option is deprecated. "
3309 "Please use '-netdev user,hostfwd=...' instead.");
3310 if (net_slirp_redir(optarg) < 0)
3314 case QEMU_OPTION_bt:
3315 add_device_config(DEV_BT, optarg);
3317 case QEMU_OPTION_audio_help:
3321 case QEMU_OPTION_soundhw:
3322 select_soundhw (optarg);
3327 case QEMU_OPTION_version:
3332 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3339 case QEMU_OPTION_tpmdev:
3340 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3345 case QEMU_OPTION_mempath:
3348 case QEMU_OPTION_mem_prealloc:
3357 case QEMU_OPTION_DFILTER:
3358 qemu_set_dfilter_ranges(optarg);
3361 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3363 case QEMU_OPTION_gdb:
3364 add_device_config(DEV_GDB, optarg);
3367 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3368 data_dir[data_dir_idx++] = optarg;
3371 case QEMU_OPTION_bios:
3372 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3375 case QEMU_OPTION_singlestep:
3382 keyboard_layout = optarg;
3384 case QEMU_OPTION_localtime:
3387 case QEMU_OPTION_vga:
3396 w = strtol(p, (char **)&p, 10);
3399 error_report("invalid resolution or depth");
3405 h = strtol(p, (char **)&p, 10);
3410 depth = strtol(p, (char **)&p, 10);
3411 if (depth != 8 && depth != 15 && depth != 16 &&
3412 depth != 24 && depth != 32)
3414 } else if (*p == '\0') {
3415 depth = graphic_depth;
3422 graphic_depth = depth;
3425 case QEMU_OPTION_echr:
3428 term_escape_char = strtol(optarg, &r, 0);
3430 printf("Bad argument to echr\n");
3433 case QEMU_OPTION_monitor:
3434 default_monitor = 0;
3435 if (strncmp(optarg, "none", 4)) {
3436 monitor_parse(optarg, "readline", false);
3439 case QEMU_OPTION_qmp:
3440 monitor_parse(optarg, "control", false);
3441 default_monitor = 0;
3443 case QEMU_OPTION_qmp_pretty:
3444 monitor_parse(optarg, "control", true);
3445 default_monitor = 0;
3447 case QEMU_OPTION_mon:
3448 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3453 default_monitor = 0;
3455 case QEMU_OPTION_chardev:
3456 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3462 case QEMU_OPTION_fsdev:
3463 olist = qemu_find_opts("fsdev");
3465 error_report("fsdev support is disabled");
3468 opts = qemu_opts_parse_noisily(olist, optarg, true);
3473 case QEMU_OPTION_virtfs: {
3476 const char *writeout, *sock_fd, *socket;
3478 olist = qemu_find_opts("virtfs");
3480 error_report("virtfs support is disabled");
3483 opts = qemu_opts_parse_noisily(olist, optarg, true);
3488 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3489 qemu_opt_get(opts, "mount_tag") == NULL) {
3490 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3493 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3494 qemu_opt_get(opts, "mount_tag"),
3497 error_report("duplicate fsdev id: %s",
3498 qemu_opt_get(opts, "mount_tag"));
3502 writeout = qemu_opt_get(opts, "writeout");
3504 #ifdef CONFIG_SYNC_FILE_RANGE
3505 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3507 error_report("writeout=immediate not supported "
3508 "on this platform");
3512 qemu_opt_set(fsdev, "fsdriver",
3513 qemu_opt_get(opts, "fsdriver"), &error_abort);
3514 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3516 qemu_opt_set(fsdev, "security_model",
3517 qemu_opt_get(opts, "security_model"),
3519 socket = qemu_opt_get(opts, "socket");
3521 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3523 sock_fd = qemu_opt_get(opts, "sock_fd");
3525 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3528 qemu_opt_set_bool(fsdev, "readonly",
3529 qemu_opt_get_bool(opts, "readonly", 0),
3531 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3533 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3534 qemu_opt_set(device, "fsdev",
3535 qemu_opt_get(opts, "mount_tag"), &error_abort);
3536 qemu_opt_set(device, "mount_tag",
3537 qemu_opt_get(opts, "mount_tag"), &error_abort);
3540 case QEMU_OPTION_virtfs_synth: {
3544 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3547 error_report("duplicate option: %s", "virtfs_synth");
3550 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3552 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3554 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3555 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3556 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3559 case QEMU_OPTION_serial:
3560 add_device_config(DEV_SERIAL, optarg);
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3566 case QEMU_OPTION_watchdog:
3568 error_report("only one watchdog option may be given");
3573 case QEMU_OPTION_watchdog_action:
3574 if (select_watchdog_action(optarg) == -1) {
3575 error_report("unknown -watchdog-action parameter");
3579 case QEMU_OPTION_virtiocon:
3580 add_device_config(DEV_VIRTCON, optarg);
3581 default_virtcon = 0;
3582 if (strncmp(optarg, "mon:", 4) == 0) {
3583 default_monitor = 0;
3586 case QEMU_OPTION_parallel:
3587 add_device_config(DEV_PARALLEL, optarg);
3588 default_parallel = 0;
3589 if (strncmp(optarg, "mon:", 4) == 0) {
3590 default_monitor = 0;
3593 case QEMU_OPTION_debugcon:
3594 add_device_config(DEV_DEBUGCON, optarg);
3596 case QEMU_OPTION_loadvm:
3599 case QEMU_OPTION_full_screen:
3602 case QEMU_OPTION_no_frame:
3605 case QEMU_OPTION_alt_grab:
3608 case QEMU_OPTION_ctrl_grab:
3611 case QEMU_OPTION_no_quit:
3614 case QEMU_OPTION_sdl:
3616 display_type = DT_SDL;
3619 error_report("SDL support is disabled");
3622 case QEMU_OPTION_pidfile:
3625 case QEMU_OPTION_win2k_hack:
3626 win2k_install_hack = 1;
3628 case QEMU_OPTION_rtc_td_hack: {
3629 static GlobalProperty slew_lost_ticks[] = {
3631 .driver = "mc146818rtc",
3632 .property = "lost_tick_policy",
3635 { /* end of list */ }
3638 qdev_prop_register_global_list(slew_lost_ticks);
3641 case QEMU_OPTION_acpitable:
3642 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3647 do_acpitable_option(opts);
3649 case QEMU_OPTION_smbios:
3650 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3655 do_smbios_option(opts);
3657 case QEMU_OPTION_fwcfg:
3658 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3664 case QEMU_OPTION_enable_kvm:
3665 olist = qemu_find_opts("machine");
3666 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3669 case QEMU_OPTION_machine:
3670 olist = qemu_find_opts("machine");
3671 opts = qemu_opts_parse_noisily(olist, optarg, true);
3676 case QEMU_OPTION_no_kvm:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3680 case QEMU_OPTION_no_kvm_pit: {
3681 error_report("warning: ignoring deprecated option");
3684 case QEMU_OPTION_no_kvm_pit_reinjection: {
3685 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3687 .driver = "kvm-pit",
3688 .property = "lost_tick_policy",
3691 { /* end of list */ }
3694 error_report("warning: deprecated, replaced by "
3695 "-global kvm-pit.lost_tick_policy=discard");
3696 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3699 case QEMU_OPTION_usb:
3700 olist = qemu_find_opts("machine");
3701 qemu_opts_parse_noisily(olist, "usb=on", false);
3703 case QEMU_OPTION_usbdevice:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "usb=on", false);
3706 add_device_config(DEV_USB, optarg);
3708 case QEMU_OPTION_device:
3709 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3714 case QEMU_OPTION_smp:
3715 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3720 case QEMU_OPTION_vnc:
3722 Error *local_err = NULL;
3724 if (vnc_parse(optarg, &local_err) == NULL) {
3725 error_report_err(local_err);
3730 case QEMU_OPTION_no_acpi:
3733 case QEMU_OPTION_no_hpet:
3736 case QEMU_OPTION_balloon:
3737 if (balloon_parse(optarg) < 0) {
3738 error_report("unknown -balloon argument %s", optarg);
3742 case QEMU_OPTION_no_reboot:
3745 case QEMU_OPTION_no_shutdown:
3748 case QEMU_OPTION_show_cursor:
3751 case QEMU_OPTION_uuid:
3752 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3753 error_report("failed to parse UUID string: wrong format");
3756 qemu_uuid_set = true;
3758 case QEMU_OPTION_option_rom:
3759 if (nb_option_roms >= MAX_OPTION_ROMS) {
3760 error_report("too many option ROMs");
3763 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3768 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3769 option_rom[nb_option_roms].bootindex =
3770 qemu_opt_get_number(opts, "bootindex", -1);
3771 if (!option_rom[nb_option_roms].name) {
3772 error_report("Option ROM file is not specified");
3777 case QEMU_OPTION_semihosting:
3778 semihosting.enabled = true;
3779 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3781 case QEMU_OPTION_semihosting_config:
3782 semihosting.enabled = true;
3783 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3786 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3788 const char *target = qemu_opt_get(opts, "target");
3789 if (target != NULL) {
3790 if (strcmp("native", target) == 0) {
3791 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3792 } else if (strcmp("gdb", target) == 0) {
3793 semihosting.target = SEMIHOSTING_TARGET_GDB;
3794 } else if (strcmp("auto", target) == 0) {
3795 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3797 error_report("unsupported semihosting-config %s",
3802 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3804 /* Set semihosting argument count and vector */
3805 qemu_opt_foreach(opts, add_semihosting_arg,
3806 &semihosting, NULL);
3808 error_report("unsupported semihosting-config %s", optarg);
3812 case QEMU_OPTION_tdf:
3813 error_report("warning: ignoring deprecated option");
3815 case QEMU_OPTION_name:
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3822 case QEMU_OPTION_prom_env:
3823 if (nb_prom_envs >= MAX_PROM_ENVS) {
3824 error_report("too many prom variables");
3827 prom_envs[nb_prom_envs] = optarg;
3830 case QEMU_OPTION_old_param:
3833 case QEMU_OPTION_clock:
3834 /* Clock options no longer exist. Keep this option for
3835 * backward compatibility.
3838 case QEMU_OPTION_startdate:
3839 configure_rtc_date_offset(optarg, 1);
3841 case QEMU_OPTION_rtc:
3842 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3847 configure_rtc(opts);
3849 case QEMU_OPTION_tb_size:
3850 tcg_tb_size = strtol(optarg, NULL, 0);
3851 if (tcg_tb_size < 0) {
3855 case QEMU_OPTION_icount:
3856 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3862 case QEMU_OPTION_incoming:
3864 runstate_set(RUN_STATE_INMIGRATE);
3868 case QEMU_OPTION_nodefaults:
3871 case QEMU_OPTION_xen_domid:
3872 if (!(xen_available())) {
3873 printf("Option %s not supported for this target\n", popt->name);
3876 xen_domid = atoi(optarg);
3878 case QEMU_OPTION_xen_create:
3879 if (!(xen_available())) {
3880 printf("Option %s not supported for this target\n", popt->name);
3883 xen_mode = XEN_CREATE;
3885 case QEMU_OPTION_xen_attach:
3886 if (!(xen_available())) {
3887 printf("Option %s not supported for this target\n", popt->name);
3890 xen_mode = XEN_ATTACH;
3892 case QEMU_OPTION_trace:
3894 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3899 if (qemu_opt_get(opts, "enable")) {
3900 trace_enable_events(qemu_opt_get(opts, "enable"));
3902 trace_init_events(qemu_opt_get(opts, "events"));
3906 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3907 qemu_opts_del(opts);
3910 case QEMU_OPTION_readconfig:
3912 int ret = qemu_read_config_file(optarg);
3914 error_report("read config %s: %s", optarg,
3920 case QEMU_OPTION_spice:
3921 olist = qemu_find_opts("spice");
3923 error_report("spice support is disabled");
3926 opts = qemu_opts_parse_noisily(olist, optarg, false);
3932 case QEMU_OPTION_writeconfig:
3935 if (strcmp(optarg, "-") == 0) {
3938 fp = fopen(optarg, "w");
3940 error_report("open %s: %s", optarg,
3945 qemu_config_write(fp);
3951 case QEMU_OPTION_qtest:
3952 qtest_chrdev = optarg;
3954 case QEMU_OPTION_qtest_log:
3957 case QEMU_OPTION_sandbox:
3958 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3964 case QEMU_OPTION_add_fd:
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3972 error_report("File descriptor passing is disabled on this "
3977 case QEMU_OPTION_object:
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3984 case QEMU_OPTION_realtime:
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3990 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3992 case QEMU_OPTION_msg:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3998 configure_msg(opts);
4000 case QEMU_OPTION_dump_vmstate:
4001 if (vmstate_dump_file) {
4002 error_report("only one '-dump-vmstate' "
4003 "option may be given");
4006 vmstate_dump_file = fopen(optarg, "w");
4007 if (vmstate_dump_file == NULL) {
4008 error_report("open %s: %s", optarg, strerror(errno));
4013 os_parse_cmd_args(popt->index, optarg);
4018 * Clear error location left behind by the loop.
4019 * Best done right after the loop. Do not insert code here!
4023 replay_configure(icount_opts);
4025 machine_class = select_machine();
4027 set_memory_options(&ram_slots, &maxram_size, machine_class);
4031 if (qemu_init_main_loop(&main_loop_err)) {
4032 error_report_err(main_loop_err);
4036 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4037 parse_sandbox, NULL, NULL)) {
4041 if (qemu_opts_foreach(qemu_find_opts("name"),
4042 parse_name, NULL, NULL)) {
4047 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4048 parse_add_fd, NULL, NULL)) {
4052 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4053 cleanup_add_fd, NULL, NULL)) {
4058 current_machine = MACHINE(object_new(object_class_get_name(
4059 OBJECT_CLASS(machine_class))));
4060 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4063 object_property_add_child(object_get_root(), "machine",
4064 OBJECT(current_machine), &error_abort);
4065 cpu_exec_init_all();
4067 if (machine_class->hw_version) {
4068 qemu_set_hw_version(machine_class->hw_version);
4071 /* Init CPU def lists, based on config
4072 * - Must be called after all the qemu_read_config_file() calls
4073 * - Must be called before list_cpus()
4074 * - Must be called before machine_class->init()
4078 if (cpu_model && is_help_option(cpu_model)) {
4079 list_cpus(stdout, &fprintf, cpu_model);
4083 if (!trace_init_backends()) {
4086 trace_init_file(trace_file);
4088 /* Open the logfile at this point and set the log mask if necessary.
4091 qemu_set_log_filename(log_file);
4096 mask = qemu_str_to_log_mask(log_mask);
4098 qemu_print_log_usage(stdout);
4106 /* If no data_dir is specified then try to find it relative to the
4108 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4109 data_dir[data_dir_idx] = os_find_datadir();
4110 if (data_dir[data_dir_idx] != NULL) {
4114 /* If all else fails use the install path specified when building. */
4115 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4116 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4119 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4121 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4122 if (max_cpus > machine_class->max_cpus) {
4123 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4124 "supported by machine '%s' (%d)", max_cpus,
4125 machine_class->name, machine_class->max_cpus);
4130 * Get the default machine options from the machine if it is not already
4131 * specified either by the configuration file or by the command line.
4133 if (machine_class->default_machine_opts) {
4134 qemu_opts_set_defaults(qemu_find_opts("machine"),
4135 machine_class->default_machine_opts, 0);
4138 qemu_opts_foreach(qemu_find_opts("device"),
4139 default_driver_check, NULL, NULL);
4140 qemu_opts_foreach(qemu_find_opts("global"),
4141 default_driver_check, NULL, NULL);
4143 if (!vga_model && !default_vga) {
4144 vga_interface_type = VGA_DEVICE;
4146 if (!has_defaults || machine_class->no_serial) {
4149 if (!has_defaults || machine_class->no_parallel) {
4150 default_parallel = 0;
4152 if (!has_defaults || !machine_class->use_virtcon) {
4153 default_virtcon = 0;
4155 if (!has_defaults || !machine_class->use_sclp) {
4158 if (!has_defaults || machine_class->no_floppy) {
4161 if (!has_defaults || machine_class->no_cdrom) {
4164 if (!has_defaults || machine_class->no_sdcard) {
4167 if (!has_defaults) {
4168 default_monitor = 0;
4173 if (is_daemonized()) {
4174 /* According to documentation and historically, -nographic redirects
4175 * serial port, parallel port and monitor to stdio, which does not work
4176 * with -daemonize. We can redirect these to null instead, but since
4177 * -nographic is legacy, let's just error out.
4178 * We disallow -nographic only if all other ports are not redirected
4179 * explicitly, to not break existing legacy setups which uses
4180 * -nographic _and_ redirects all ports explicitly - this is valid
4181 * usage, -nographic is just a no-op in this case.
4184 && (default_parallel || default_serial
4185 || default_monitor || default_virtcon)) {
4186 error_report("-nographic cannot be used with -daemonize");
4189 #ifdef CONFIG_CURSES
4190 if (display_type == DT_CURSES) {
4191 error_report("curses display cannot be used with -daemonize");
4198 if (default_parallel)
4199 add_device_config(DEV_PARALLEL, "null");
4200 if (default_serial && default_monitor) {
4201 add_device_config(DEV_SERIAL, "mon:stdio");
4202 } else if (default_virtcon && default_monitor) {
4203 add_device_config(DEV_VIRTCON, "mon:stdio");
4204 } else if (default_sclp && default_monitor) {
4205 add_device_config(DEV_SCLP, "mon:stdio");
4208 add_device_config(DEV_SERIAL, "stdio");
4209 if (default_virtcon)
4210 add_device_config(DEV_VIRTCON, "stdio");
4212 add_device_config(DEV_SCLP, "stdio");
4214 if (default_monitor)
4215 monitor_parse("stdio", "readline", false);
4219 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4220 if (default_parallel)
4221 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4222 if (default_monitor)
4223 monitor_parse("vc:80Cx24C", "readline", false);
4224 if (default_virtcon)
4225 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4227 add_device_config(DEV_SCLP, "vc:80Cx24C");
4231 #if defined(CONFIG_VNC)
4232 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4236 if (display_type == DT_DEFAULT && !display_remote) {
4237 #if defined(CONFIG_GTK)
4238 display_type = DT_GTK;
4239 #elif defined(CONFIG_SDL)
4240 display_type = DT_SDL;
4241 #elif defined(CONFIG_COCOA)
4242 display_type = DT_COCOA;
4243 #elif defined(CONFIG_VNC)
4244 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4247 display_type = DT_NONE;
4251 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4252 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4253 "for SDL, ignoring option");
4255 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4256 error_report("-no-quit is only valid for GTK and SDL, "
4260 if (display_type == DT_GTK) {
4261 early_gtk_display_init(request_opengl);
4264 if (display_type == DT_SDL) {
4265 sdl_display_early_init(request_opengl);
4268 if (request_opengl == 1 && display_opengl == 0) {
4269 #if defined(CONFIG_OPENGL)
4270 error_report("OpenGL is not supported by the display");
4272 error_report("OpenGL support is disabled");
4280 if (qemu_opts_foreach(qemu_find_opts("object"),
4281 user_creatable_add_opts_foreach,
4282 object_create_initial, NULL)) {
4286 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4287 chardev_init_func, NULL, NULL)) {
4291 #ifdef CONFIG_VIRTFS
4292 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4293 fsdev_init_func, NULL, NULL)) {
4298 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4299 error_report("could not acquire pid file: %s", strerror(errno));
4303 if (qemu_opts_foreach(qemu_find_opts("device"),
4304 device_help_func, NULL, NULL)) {
4308 machine_opts = qemu_get_machine_opts();
4309 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4311 object_unref(OBJECT(current_machine));
4315 configure_accelerator(current_machine);
4318 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4321 machine_opts = qemu_get_machine_opts();
4322 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4323 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4324 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4325 bios_name = qemu_opt_get(machine_opts, "firmware");
4327 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4329 boot_order = qemu_opt_get(opts, "order");
4331 validate_bootdevices(boot_order, &error_fatal);
4334 boot_once = qemu_opt_get(opts, "once");
4336 validate_bootdevices(boot_once, &error_fatal);
4339 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4340 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4344 boot_order = machine_class->default_boot_order;
4347 if (!kernel_cmdline) {
4348 kernel_cmdline = "";
4349 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4352 linux_boot = (kernel_filename != NULL);
4354 if (!linux_boot && *kernel_cmdline != '\0') {
4355 error_report("-append only allowed with -kernel option");
4359 if (!linux_boot && initrd_filename != NULL) {
4360 error_report("-initrd only allowed with -kernel option");
4364 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4365 error_report("-dtb only allowed with -kernel option");
4369 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4370 /* fall back to the -kernel/-append */
4371 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4374 os_set_line_buffering();
4376 /* spice needs the timers to be initialized by this point */
4381 if (kvm_enabled() || xen_enabled()) {
4382 error_report("-icount is not allowed with kvm or xen");
4385 configure_icount(icount_opts, &error_abort);
4386 qemu_opts_del(icount_opts);
4389 /* clean up network at qemu process termination */
4390 atexit(&net_cleanup);
4392 if (net_init_clients() < 0) {
4396 if (qemu_opts_foreach(qemu_find_opts("object"),
4397 user_creatable_add_opts_foreach,
4398 object_create_delayed, NULL)) {
4403 if (tpm_init() < 0) {
4408 /* init the bluetooth world */
4409 if (foreach_device_config(DEV_BT, bt_parse))
4412 if (!xen_enabled()) {
4413 /* On 32-bit hosts, QEMU is limited by virtual address space */
4414 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4415 error_report("at most 2047 MB RAM can be simulated");
4423 /* If the currently selected machine wishes to override the units-per-bus
4424 * property of its default HBA interface type, do so now. */
4425 if (machine_class->units_per_default_bus) {
4426 override_max_devs(machine_class->block_default_type,
4427 machine_class->units_per_default_bus);
4430 /* open the virtual block devices */
4431 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4432 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4435 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4436 &machine_class->block_default_type, NULL)) {
4440 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4442 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4443 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4445 parse_numa_opts(machine_class);
4447 if (qemu_opts_foreach(qemu_find_opts("mon"),
4448 mon_init_func, NULL, NULL)) {
4452 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4454 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4456 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4458 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4461 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4464 /* If no default VGA is requested, the default is "none". */
4466 if (machine_class->default_display) {
4467 vga_model = machine_class->default_display;
4468 } else if (vga_interface_available(VGA_CIRRUS)) {
4469 vga_model = "cirrus";
4470 } else if (vga_interface_available(VGA_STD)) {
4475 select_vgahw(vga_model);
4479 i = select_watchdog(watchdog);
4481 exit (i == 1 ? 1 : 0);
4484 if (machine_class->compat_props) {
4485 qdev_prop_register_global_list(machine_class->compat_props);
4489 /* This checkpoint is required by replay to separate prior clock
4490 reading from the other reads, because timer polling functions query
4491 clock values from the log. */
4492 replay_checkpoint(CHECKPOINT_INIT);
4493 qdev_machine_init();
4495 current_machine->ram_size = ram_size;
4496 current_machine->maxram_size = maxram_size;
4497 current_machine->ram_slots = ram_slots;
4498 current_machine->boot_order = boot_order;
4499 current_machine->cpu_model = cpu_model;
4501 machine_class->init(current_machine);
4507 cpu_synchronize_all_post_init();
4509 numa_post_machine_init();
4511 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4512 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4516 /* init USB devices */
4517 if (usb_enabled()) {
4518 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4522 /* Check if IGD GFX passthrough. */
4525 /* init generic devices */
4526 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4527 if (qemu_opts_foreach(qemu_find_opts("device"),
4528 device_init_func, NULL, NULL)) {
4531 rom_reset_order_override();
4533 /* Did we create any drives that we failed to create a device for? */
4534 drive_check_orphaned();
4536 net_check_clients();
4539 qemu_boot_set(boot_once, &error_fatal);
4540 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4543 ds = init_displaystate();
4545 /* init local displays */
4546 switch (display_type) {
4548 curses_display_init(ds, full_screen);
4551 sdl_display_init(ds, full_screen, no_frame);
4554 cocoa_display_init(ds, full_screen);
4557 gtk_display_init(ds, full_screen, grab_on_hover);
4563 /* must be after terminal init, SDL library changes signal handlers */
4564 os_setup_signal_handling();
4566 /* init remote displays */
4567 qemu_opts_foreach(qemu_find_opts("vnc"),
4568 vnc_init_func, NULL, NULL);
4569 if (show_vnc_port) {
4570 char *ret = vnc_display_local_addr("default");
4571 printf("VNC server running on '%s'\n", ret);
4576 qemu_spice_display_init();
4579 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4583 qdev_machine_creation_done();
4585 /* TODO: once all bus devices are qdevified, this should be done
4586 * when bus is created by qdev.c */
4587 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4588 qemu_run_machine_init_done_notifiers();
4590 if (rom_check_and_register_reset() != 0) {
4591 error_report("rom check and register reset failed");
4597 /* This checkpoint is required by replay to separate prior clock
4598 reading from the other reads, because timer polling functions query
4599 clock values from the log. */
4600 replay_checkpoint(CHECKPOINT_RESET);
4601 qemu_system_reset(VMRESET_SILENT);
4602 register_global_state();
4604 if (load_vmstate(loadvm) < 0) {
4609 qdev_prop_check_globals();
4610 if (vmstate_dump_file) {
4612 dump_vmstate_json_to_file(vmstate_dump_file);
4617 Error *local_err = NULL;
4618 qemu_start_incoming_migration(incoming, &local_err);
4620 error_reportf_err(local_err, "-incoming %s: ", incoming);
4623 } else if (autostart) {
4630 replay_disable_events();