4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
39 #if defined(__APPLE__) || defined(main)
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
44 return qemu_main(argc, argv, NULL);
47 #define main qemu_main
49 #endif /* CONFIG_SDL */
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/scsi/scsi.h"
67 #include "sysemu/watchdog.h"
68 #include "hw/smbios/smbios.h"
69 #include "hw/acpi/acpi.h"
70 #include "hw/xen/xen.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "sysemu/kvm.h"
97 #include "sysemu/hax.h"
98 #include "qapi/qobject-input-visitor.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi-visit.h"
101 #include "qapi/qmp/qjson.h"
102 #include "qemu/option.h"
103 #include "qemu/config-file.h"
104 #include "qemu-options.h"
105 #include "qmp-commands.h"
106 #include "qemu/main-loop.h"
108 #include "fsdev/qemu-fsdev.h"
110 #include "sysemu/qtest.h"
112 #include "disas/disas.h"
115 #include "slirp/libslirp.h"
117 #include "trace-root.h"
118 #include "trace/control.h"
119 #include "qemu/queue.h"
120 #include "sysemu/arch_init.h"
122 #include "ui/qemu-spice.h"
123 #include "qapi/string-input-visitor.h"
124 #include "qapi/opts-visitor.h"
125 #include "qom/object_interfaces.h"
126 #include "qapi-event.h"
127 #include "exec/semihost.h"
128 #include "crypto/init.h"
129 #include "sysemu/replay.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
133 #define MAX_VIRTIO_CONSOLES 1
134 #define MAX_SCLP_CONSOLES 1
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int request_opengl = -1;
142 const char* keyboard_layout = NULL;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
148 NICInfo nd_table[MAX_NICS];
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static int full_screen = 0;
155 static int no_frame = 0;
157 static bool grab_on_hover;
158 Chardev *serial_hds[MAX_SERIAL_PORTS];
159 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
160 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
161 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
162 int win2k_install_hack = 0;
168 int acpi_enabled = 1;
171 static int no_reboot;
174 int graphic_rotate = 0;
175 const char *watchdog;
176 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
179 const char *qemu_name;
182 unsigned int nb_prom_envs = 0;
183 const char *prom_envs[MAX_PROM_ENVS];
186 uint8_t *boot_splash_filedata;
187 size_t boot_splash_filedata_size;
188 uint8_t qemu_extra_params_fw[2];
189 int only_migratable; /* turn it off unless user states otherwise */
191 int icount_align_option;
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
207 enum xen_mode xen_mode = XEN_EMULATE;
208 bool xen_domid_restrict;
210 static int has_defaults = 1;
211 static int default_serial = 1;
212 static int default_parallel = 1;
213 static int default_virtcon = 1;
214 static int default_sclp = 1;
215 static int default_monitor = 1;
216 static int default_floppy = 1;
217 static int default_cdrom = 1;
218 static int default_sdcard = 1;
219 static int default_vga = 1;
220 static int default_net = 1;
226 { .driver = "isa-serial", .flag = &default_serial },
227 { .driver = "isa-parallel", .flag = &default_parallel },
228 { .driver = "isa-fdc", .flag = &default_floppy },
229 { .driver = "floppy", .flag = &default_floppy },
230 { .driver = "ide-cd", .flag = &default_cdrom },
231 { .driver = "ide-hd", .flag = &default_cdrom },
232 { .driver = "ide-drive", .flag = &default_cdrom },
233 { .driver = "scsi-cd", .flag = &default_cdrom },
234 { .driver = "scsi-hd", .flag = &default_cdrom },
235 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
236 { .driver = "virtio-serial", .flag = &default_virtcon },
237 { .driver = "VGA", .flag = &default_vga },
238 { .driver = "isa-vga", .flag = &default_vga },
239 { .driver = "cirrus-vga", .flag = &default_vga },
240 { .driver = "isa-cirrus-vga", .flag = &default_vga },
241 { .driver = "vmware-svga", .flag = &default_vga },
242 { .driver = "qxl-vga", .flag = &default_vga },
243 { .driver = "virtio-vga", .flag = &default_vga },
246 static QemuOptsList qemu_rtc_opts = {
248 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .type = QEMU_OPT_STRING,
255 .type = QEMU_OPT_STRING,
258 .type = QEMU_OPT_STRING,
260 { /* end of list */ }
264 static QemuOptsList qemu_sandbox_opts = {
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
271 .type = QEMU_OPT_BOOL,
273 { /* end of list */ }
277 static QemuOptsList qemu_option_rom_opts = {
278 .name = "option-rom",
279 .implied_opt_name = "romfile",
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
284 .type = QEMU_OPT_NUMBER,
287 .type = QEMU_OPT_STRING,
289 { /* end of list */ }
293 static QemuOptsList qemu_machine_opts = {
295 .implied_opt_name = "type",
297 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
300 * no elements => accept any
301 * sanity checking will happen later
302 * when setting machine properties
308 static QemuOptsList qemu_accel_opts = {
310 .implied_opt_name = "accel",
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
316 .type = QEMU_OPT_STRING,
317 .help = "Select the type of accelerator",
321 .type = QEMU_OPT_STRING,
322 .help = "Enable/disable multi-threaded TCG",
324 { /* end of list */ }
328 static QemuOptsList qemu_boot_opts = {
330 .implied_opt_name = "order",
332 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
336 .type = QEMU_OPT_STRING,
339 .type = QEMU_OPT_STRING,
342 .type = QEMU_OPT_BOOL,
345 .type = QEMU_OPT_STRING,
347 .name = "splash-time",
348 .type = QEMU_OPT_STRING,
350 .name = "reboot-timeout",
351 .type = QEMU_OPT_STRING,
354 .type = QEMU_OPT_BOOL,
360 static QemuOptsList qemu_add_fd_opts = {
362 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
366 .type = QEMU_OPT_NUMBER,
367 .help = "file descriptor of which a duplicate is added to fd set",
370 .type = QEMU_OPT_NUMBER,
371 .help = "ID of the fd set to add fd to",
374 .type = QEMU_OPT_STRING,
375 .help = "free-form string used to describe fd",
377 { /* end of list */ }
381 static QemuOptsList qemu_object_opts = {
383 .implied_opt_name = "qom-type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
390 static QemuOptsList qemu_tpmdev_opts = {
392 .implied_opt_name = "type",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
395 /* options are defined in the TPM backends */
396 { /* end of list */ }
400 static QemuOptsList qemu_realtime_opts = {
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
406 .type = QEMU_OPT_BOOL,
408 { /* end of list */ }
412 static QemuOptsList qemu_msg_opts = {
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
418 .type = QEMU_OPT_BOOL,
420 { /* end of list */ }
424 static QemuOptsList qemu_name_opts = {
426 .implied_opt_name = "guest",
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
432 .type = QEMU_OPT_STRING,
433 .help = "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
438 .type = QEMU_OPT_STRING,
439 .help = "Sets the name of the QEMU process, as shown in top etc",
441 .name = "debug-threads",
442 .type = QEMU_OPT_BOOL,
443 .help = "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
447 { /* End of list */ }
451 static QemuOptsList qemu_mem_opts = {
453 .implied_opt_name = "size",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
459 .type = QEMU_OPT_SIZE,
463 .type = QEMU_OPT_NUMBER,
467 .type = QEMU_OPT_SIZE,
469 { /* end of list */ }
473 static QemuOptsList qemu_icount_opts = {
475 .implied_opt_name = "shift",
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
481 .type = QEMU_OPT_STRING,
484 .type = QEMU_OPT_BOOL,
487 .type = QEMU_OPT_BOOL,
490 .type = QEMU_OPT_STRING,
493 .type = QEMU_OPT_STRING,
495 .name = "rrsnapshot",
496 .type = QEMU_OPT_STRING,
498 { /* end of list */ }
502 static QemuOptsList qemu_semihosting_config_opts = {
503 .name = "semihosting-config",
504 .implied_opt_name = "enable",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
509 .type = QEMU_OPT_BOOL,
512 .type = QEMU_OPT_STRING,
515 .type = QEMU_OPT_STRING,
517 { /* end of list */ }
521 static QemuOptsList qemu_fw_cfg_opts = {
523 .implied_opt_name = "name",
524 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
528 .type = QEMU_OPT_STRING,
529 .help = "Sets the fw_cfg name of the blob to be inserted",
532 .type = QEMU_OPT_STRING,
533 .help = "Sets the name of the file from which\n"
534 "the fw_cfg blob will be loaded",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets content of the blob to be inserted from a string",
540 { /* end of list */ }
545 * Get machine options
547 * Returns: machine options (never null).
549 QemuOpts *qemu_get_machine_opts(void)
551 return qemu_find_opts_singleton("machine");
554 const char *qemu_get_vm_name(void)
559 static void res_free(void)
561 g_free(boot_splash_filedata);
562 boot_splash_filedata = NULL;
565 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
567 const char *driver = qemu_opt_get(opts, "driver");
572 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
573 if (strcmp(default_list[i].driver, driver) != 0)
575 *(default_list[i].flag) = 0;
580 /***********************************************************/
583 static RunState current_run_state = RUN_STATE_PRELAUNCH;
585 /* We use RUN_STATE__MAX but any invalid value will do */
586 static RunState vmstop_requested = RUN_STATE__MAX;
587 static QemuMutex vmstop_lock;
592 } RunStateTransition;
594 static const RunStateTransition runstate_transitions_def[] = {
596 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
597 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
600 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
602 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
603 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
604 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
605 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
606 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
607 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
610 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
611 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
613 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
617 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
618 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
621 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
622 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_PAUSED, RUN_STATE_COLO},
626 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
639 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
640 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_COLO, RUN_STATE_RUNNING },
644 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
645 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
648 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
652 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
653 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
654 { RUN_STATE_RUNNING, RUN_STATE_COLO},
656 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
662 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
663 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
664 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
665 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
667 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
669 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
670 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
672 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
674 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
678 { RUN_STATE__MAX, RUN_STATE__MAX },
681 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
683 bool runstate_check(RunState state)
685 return current_run_state == state;
688 bool runstate_store(char *str, size_t size)
690 const char *state = RunState_lookup[current_run_state];
691 size_t len = strlen(state) + 1;
696 memcpy(str, state, len);
700 static void runstate_init(void)
702 const RunStateTransition *p;
704 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
705 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
706 runstate_valid_transitions[p->from][p->to] = true;
709 qemu_mutex_init(&vmstop_lock);
712 /* This function will abort() on invalid state transitions */
713 void runstate_set(RunState new_state)
715 assert(new_state < RUN_STATE__MAX);
717 if (current_run_state == new_state) {
721 if (!runstate_valid_transitions[current_run_state][new_state]) {
722 error_report("invalid runstate transition: '%s' -> '%s'",
723 RunState_lookup[current_run_state],
724 RunState_lookup[new_state]);
727 trace_runstate_set(new_state);
728 current_run_state = new_state;
731 int runstate_is_running(void)
733 return runstate_check(RUN_STATE_RUNNING);
736 bool runstate_needs_reset(void)
738 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
739 runstate_check(RUN_STATE_SHUTDOWN);
742 StatusInfo *qmp_query_status(Error **errp)
744 StatusInfo *info = g_malloc0(sizeof(*info));
746 info->running = runstate_is_running();
747 info->singlestep = singlestep;
748 info->status = current_run_state;
753 bool qemu_vmstop_requested(RunState *r)
755 qemu_mutex_lock(&vmstop_lock);
756 *r = vmstop_requested;
757 vmstop_requested = RUN_STATE__MAX;
758 qemu_mutex_unlock(&vmstop_lock);
759 return *r < RUN_STATE__MAX;
762 void qemu_system_vmstop_request_prepare(void)
764 qemu_mutex_lock(&vmstop_lock);
767 void qemu_system_vmstop_request(RunState state)
769 vmstop_requested = state;
770 qemu_mutex_unlock(&vmstop_lock);
774 /***********************************************************/
775 /* real time host monotonic timer */
777 static time_t qemu_time(void)
779 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
782 /***********************************************************/
783 /* host time/date access */
784 void qemu_get_timedate(struct tm *tm, int offset)
786 time_t ti = qemu_time();
789 if (rtc_date_offset == -1) {
793 localtime_r(&ti, tm);
795 ti -= rtc_date_offset;
800 int qemu_timedate_diff(struct tm *tm)
804 if (rtc_date_offset == -1)
806 seconds = mktimegm(tm);
809 tmp.tm_isdst = -1; /* use timezone to figure it out */
810 seconds = mktime(&tmp);
813 seconds = mktimegm(tm) + rtc_date_offset;
815 return seconds - qemu_time();
818 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 time_t rtc_start_date;
823 if (!strcmp(startdate, "now") && legacy) {
824 rtc_date_offset = -1;
826 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
834 } else if (sscanf(startdate, "%d-%d-%d",
846 rtc_start_date = mktimegm(&tm);
847 if (rtc_start_date == -1) {
849 error_report("invalid date format");
850 error_printf("valid formats: "
851 "'2006-06-17T16:01:21' or '2006-06-17'\n");
854 rtc_date_offset = qemu_time() - rtc_start_date;
858 static void configure_rtc(QemuOpts *opts)
862 value = qemu_opt_get(opts, "base");
864 if (!strcmp(value, "utc")) {
866 } else if (!strcmp(value, "localtime")) {
867 Error *blocker = NULL;
869 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
870 "-rtc base=localtime");
871 replay_add_blocker(blocker);
873 configure_rtc_date_offset(value, 0);
876 value = qemu_opt_get(opts, "clock");
878 if (!strcmp(value, "host")) {
879 rtc_clock = QEMU_CLOCK_HOST;
880 } else if (!strcmp(value, "rt")) {
881 rtc_clock = QEMU_CLOCK_REALTIME;
882 } else if (!strcmp(value, "vm")) {
883 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 error_report("invalid option value '%s'", value);
889 value = qemu_opt_get(opts, "driftfix");
891 if (!strcmp(value, "slew")) {
892 static GlobalProperty slew_lost_ticks = {
893 .driver = "mc146818rtc",
894 .property = "lost_tick_policy",
898 qdev_prop_register_global(&slew_lost_ticks);
899 } else if (!strcmp(value, "none")) {
900 /* discard is default */
902 error_report("invalid option value '%s'", value);
908 /***********************************************************/
909 /* Bluetooth support */
912 static struct HCIInfo *hci_table[MAX_NICS];
914 struct HCIInfo *qemu_next_hci(void)
916 if (cur_hci == nb_hcis)
919 return hci_table[cur_hci++];
922 static int bt_hci_parse(const char *str)
927 if (nb_hcis >= MAX_NICS) {
928 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
941 bdaddr.b[5] = 0x56 + nb_hcis;
942 hci->bdaddr_set(hci, bdaddr.b);
944 hci_table[nb_hcis++] = hci;
949 static void bt_vhci_add(int vlan_id)
951 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
954 error_report("warning: adding a VHCI to an empty scatternet %i",
957 bt_vhci_init(bt_new_hci(vlan));
960 static struct bt_device_s *bt_device_add(const char *opt)
962 struct bt_scatternet_s *vlan;
964 char *endp = strstr(opt, ",vlan=");
965 int len = (endp ? endp - opt : strlen(opt)) + 1;
968 pstrcpy(devname, MIN(sizeof(devname), len), opt);
971 vlan_id = strtol(endp + 6, &endp, 0);
973 error_report("unrecognised bluetooth vlan Id");
978 vlan = qemu_find_bt_vlan(vlan_id);
981 error_report("warning: adding a slave device to an empty scatternet %i",
984 if (!strcmp(devname, "keyboard"))
985 return bt_keyboard_init(vlan);
987 error_report("unsupported bluetooth device '%s'", devname);
991 static int bt_parse(const char *opt)
993 const char *endp, *p;
996 if (strstart(opt, "hci", &endp)) {
997 if (!*endp || *endp == ',') {
999 if (!strstart(endp, ",vlan=", 0))
1002 return bt_hci_parse(opt);
1004 } else if (strstart(opt, "vhci", &endp)) {
1005 if (!*endp || *endp == ',') {
1007 if (strstart(endp, ",vlan=", &p)) {
1008 vlan = strtol(p, (char **) &endp, 0);
1010 error_report("bad scatternet '%s'", p);
1014 error_report("bad parameter '%s'", endp + 1);
1023 } else if (strstart(opt, "device:", &endp))
1024 return !bt_device_add(endp);
1026 error_report("bad bluetooth parameter '%s'", opt);
1030 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1032 /* FIXME: change this to true for 1.3 */
1033 if (qemu_opt_get_bool(opts, "enable", false)) {
1034 #ifdef CONFIG_SECCOMP
1035 if (seccomp_start() < 0) {
1036 error_report("failed to install seccomp syscall filter "
1041 error_report("seccomp support is disabled");
1049 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1051 const char *proc_name;
1053 if (qemu_opt_get(opts, "debug-threads")) {
1054 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1056 qemu_name = qemu_opt_get(opts, "guest");
1058 proc_name = qemu_opt_get(opts, "process");
1060 os_set_proc_name(proc_name);
1066 bool defaults_enabled(void)
1068 return has_defaults;
1072 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1074 int fd, dupfd, flags;
1076 const char *fd_opaque = NULL;
1079 fd = qemu_opt_get_number(opts, "fd", -1);
1080 fdset_id = qemu_opt_get_number(opts, "set", -1);
1081 fd_opaque = qemu_opt_get(opts, "opaque");
1084 error_report("fd option is required and must be non-negative");
1088 if (fd <= STDERR_FILENO) {
1089 error_report("fd cannot be a standard I/O stream");
1094 * All fds inherited across exec() necessarily have FD_CLOEXEC
1095 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1097 flags = fcntl(fd, F_GETFD);
1098 if (flags == -1 || (flags & FD_CLOEXEC)) {
1099 error_report("fd is not valid or already in use");
1104 error_report("set option is required and must be non-negative");
1108 #ifdef F_DUPFD_CLOEXEC
1109 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1113 qemu_set_cloexec(dupfd);
1117 error_report("error duplicating fd: %s", strerror(errno));
1121 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1122 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1129 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1133 fd = qemu_opt_get_number(opts, "fd", -1);
1140 /***********************************************************/
1141 /* QEMU Block devices */
1143 #define HD_OPTS "media=disk"
1144 #define CDROM_OPTS "media=cdrom"
1146 #define PFLASH_OPTS ""
1150 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1152 BlockInterfaceType *block_default_type = opaque;
1154 return drive_new(opts, *block_default_type) == NULL;
1157 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1159 if (qemu_opt_get(opts, "snapshot") == NULL) {
1160 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1165 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1166 int index, const char *optstr)
1171 if (!enable || drive_get_by_index(type, index)) {
1175 opts = drive_add(type, index, NULL, optstr);
1177 drive_enable_snapshot(NULL, opts, NULL);
1180 dinfo = drive_new(opts, type);
1184 dinfo->is_default = true;
1188 static QemuOptsList qemu_smp_opts = {
1190 .implied_opt_name = "cpus",
1191 .merge_lists = true,
1192 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1196 .type = QEMU_OPT_NUMBER,
1199 .type = QEMU_OPT_NUMBER,
1202 .type = QEMU_OPT_NUMBER,
1205 .type = QEMU_OPT_NUMBER,
1208 .type = QEMU_OPT_NUMBER,
1210 { /*End of list */ }
1214 static void smp_parse(QemuOpts *opts)
1217 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1218 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1219 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1220 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1222 /* compute missing values, prefer sockets over cores over threads */
1223 if (cpus == 0 || sockets == 0) {
1224 sockets = sockets > 0 ? sockets : 1;
1225 cores = cores > 0 ? cores : 1;
1226 threads = threads > 0 ? threads : 1;
1228 cpus = cores * threads * sockets;
1230 } else if (cores == 0) {
1231 threads = threads > 0 ? threads : 1;
1232 cores = cpus / (sockets * threads);
1233 cores = cores > 0 ? cores : 1;
1234 } else if (threads == 0) {
1235 threads = cpus / (cores * sockets);
1236 threads = threads > 0 ? threads : 1;
1237 } else if (sockets * cores * threads < cpus) {
1238 error_report("cpu topology: "
1239 "sockets (%u) * cores (%u) * threads (%u) < "
1241 sockets, cores, threads, cpus);
1245 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1247 if (max_cpus < cpus) {
1248 error_report("maxcpus must be equal to or greater than smp");
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);
1262 smp_threads = threads;
1266 Error *blocker = NULL;
1267 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1268 replay_add_blocker(blocker);
1272 static void realtime_init(void)
1275 if (os_mlock() < 0) {
1276 error_report("locking memory failed");
1283 static void configure_msg(QemuOpts *opts)
1285 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1288 /***********************************************************/
1291 typedef struct SemihostingConfig {
1293 SemihostingTarget target;
1296 const char *cmdline; /* concatenated argv */
1297 } SemihostingConfig;
1299 static SemihostingConfig semihosting;
1301 bool semihosting_enabled(void)
1303 return semihosting.enabled;
1306 SemihostingTarget semihosting_get_target(void)
1308 return semihosting.target;
1311 const char *semihosting_get_arg(int i)
1313 if (i >= semihosting.argc) {
1316 return semihosting.argv[i];
1319 int semihosting_get_argc(void)
1321 return semihosting.argc;
1324 const char *semihosting_get_cmdline(void)
1326 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1327 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1329 return semihosting.cmdline;
1332 static int add_semihosting_arg(void *opaque,
1333 const char *name, const char *val,
1336 SemihostingConfig *s = opaque;
1337 if (strcmp(name, "arg") == 0) {
1339 /* one extra element as g_strjoinv() expects NULL-terminated array */
1340 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1341 s->argv[s->argc - 1] = val;
1342 s->argv[s->argc] = NULL;
1347 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1348 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1353 add_semihosting_arg(&semihosting, "arg", file, NULL);
1355 /* split -append and initialize argv[1..n] */
1356 cmd_token = strtok(g_strdup(cmd), " ");
1358 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1359 cmd_token = strtok(NULL, " ");
1363 /* Now we still need this for compatibility with XEN. */
1364 bool has_igd_gfx_passthru;
1365 static void igd_gfx_passthru(void)
1367 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1370 /***********************************************************/
1373 static int usb_device_add(const char *devname)
1375 USBDevice *dev = NULL;
1376 #ifndef CONFIG_LINUX
1380 if (!machine_usb(current_machine)) {
1384 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1385 dev = usbdevice_create(devname);
1389 /* the other ones */
1390 #ifndef CONFIG_LINUX
1391 /* only the linux version is qdev-ified, usb-bsd still needs this */
1392 if (strstart(devname, "host:", &p)) {
1393 dev = usb_host_device_open(usb_bus_find(-1), p);
1403 static int usb_device_del(const char *devname)
1408 if (strstart(devname, "host:", &p)) {
1412 if (!machine_usb(current_machine)) {
1416 p = strchr(devname, '.');
1419 bus_num = strtoul(devname, NULL, 0);
1420 addr = strtoul(p + 1, NULL, 0);
1422 return usb_device_delete_addr(bus_num, addr);
1425 static int usb_parse(const char *cmdline)
1428 r = usb_device_add(cmdline);
1430 error_report("could not add USB device '%s'", cmdline);
1435 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1437 const char *devname = qdict_get_str(qdict, "devname");
1438 if (usb_device_add(devname) < 0) {
1439 error_report("could not add USB device '%s'", devname);
1443 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1445 const char *devname = qdict_get_str(qdict, "devname");
1446 if (usb_device_del(devname) < 0) {
1447 error_report("could not delete USB device '%s'", devname);
1451 /***********************************************************/
1452 /* machine registration */
1454 MachineState *current_machine;
1456 static MachineClass *find_machine(const char *name)
1458 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1459 MachineClass *mc = NULL;
1461 for (el = machines; el; el = el->next) {
1462 MachineClass *temp = el->data;
1464 if (!strcmp(temp->name, name)) {
1469 !strcmp(temp->alias, name)) {
1475 g_slist_free(machines);
1479 MachineClass *find_default_machine(void)
1481 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1482 MachineClass *mc = NULL;
1484 for (el = machines; el; el = el->next) {
1485 MachineClass *temp = el->data;
1487 if (temp->is_default) {
1493 g_slist_free(machines);
1497 MachineInfoList *qmp_query_machines(Error **errp)
1499 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1500 MachineInfoList *mach_list = NULL;
1502 for (el = machines; el; el = el->next) {
1503 MachineClass *mc = el->data;
1504 MachineInfoList *entry;
1507 info = g_malloc0(sizeof(*info));
1508 if (mc->is_default) {
1509 info->has_is_default = true;
1510 info->is_default = true;
1514 info->has_alias = true;
1515 info->alias = g_strdup(mc->alias);
1518 info->name = g_strdup(mc->name);
1519 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1520 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1522 entry = g_malloc0(sizeof(*entry));
1523 entry->value = info;
1524 entry->next = mach_list;
1528 g_slist_free(machines);
1532 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1534 ObjectProperty *prop;
1535 ObjectPropertyIterator iter;
1537 if (!qemu_opt_has_help_opt(opts)) {
1541 object_property_iter_init(&iter, OBJECT(machine));
1542 while ((prop = object_property_iter_next(&iter))) {
1547 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1548 prop->name, prop->type);
1549 if (prop->description) {
1550 error_printf(" (%s)\n", prop->description);
1559 /***********************************************************/
1560 /* main execution loop */
1562 struct vm_change_state_entry {
1563 VMChangeStateHandler *cb;
1565 QLIST_ENTRY (vm_change_state_entry) entries;
1568 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1570 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1573 VMChangeStateEntry *e;
1575 e = g_malloc0(sizeof (*e));
1579 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1583 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1585 QLIST_REMOVE (e, entries);
1589 void vm_state_notify(int running, RunState state)
1591 VMChangeStateEntry *e, *next;
1593 trace_vm_state_notify(running, state);
1595 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1596 e->cb(e->opaque, running, state);
1600 static int reset_requested;
1601 static int shutdown_requested, shutdown_signal = -1;
1602 static pid_t shutdown_pid;
1603 static int powerdown_requested;
1604 static int debug_requested;
1605 static int suspend_requested;
1606 static WakeupReason wakeup_reason;
1607 static NotifierList powerdown_notifiers =
1608 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1609 static NotifierList suspend_notifiers =
1610 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1611 static NotifierList wakeup_notifiers =
1612 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1613 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1615 int qemu_shutdown_requested_get(void)
1617 return shutdown_requested;
1620 int qemu_reset_requested_get(void)
1622 return reset_requested;
1625 static int qemu_shutdown_requested(void)
1627 return atomic_xchg(&shutdown_requested, 0);
1630 static void qemu_kill_report(void)
1632 if (!qtest_driver() && shutdown_signal != -1) {
1633 if (shutdown_pid == 0) {
1634 /* This happens for eg ^C at the terminal, so it's worth
1635 * avoiding printing an odd message in that case.
1637 error_report("terminating on signal %d", shutdown_signal);
1639 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1641 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1642 shutdown_signal, shutdown_pid,
1643 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1644 g_free(shutdown_cmd);
1646 shutdown_signal = -1;
1650 static int qemu_reset_requested(void)
1652 int r = reset_requested;
1653 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1654 reset_requested = 0;
1660 static int qemu_suspend_requested(void)
1662 int r = suspend_requested;
1663 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1664 suspend_requested = 0;
1670 static WakeupReason qemu_wakeup_requested(void)
1672 return wakeup_reason;
1675 static int qemu_powerdown_requested(void)
1677 int r = powerdown_requested;
1678 powerdown_requested = 0;
1682 static int qemu_debug_requested(void)
1684 int r = debug_requested;
1685 debug_requested = 0;
1689 void qemu_system_reset(bool report)
1693 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1695 cpu_synchronize_all_states();
1697 if (mc && mc->reset) {
1700 qemu_devices_reset();
1703 qapi_event_send_reset(&error_abort);
1705 cpu_synchronize_all_post_reset();
1708 void qemu_system_guest_panicked(GuestPanicInformation *info)
1710 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1713 current_cpu->crash_occurred = true;
1715 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1716 !!info, info, &error_abort);
1717 vm_stop(RUN_STATE_GUEST_PANICKED);
1719 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1720 !!info, info, &error_abort);
1721 qemu_system_shutdown_request();
1725 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1726 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1727 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1728 info->u.hyper_v.arg1,
1729 info->u.hyper_v.arg2,
1730 info->u.hyper_v.arg3,
1731 info->u.hyper_v.arg4,
1732 info->u.hyper_v.arg5);
1734 qapi_free_GuestPanicInformation(info);
1738 void qemu_system_reset_request(void)
1741 shutdown_requested = 1;
1743 reset_requested = 1;
1746 qemu_notify_event();
1749 static void qemu_system_suspend(void)
1752 notifier_list_notify(&suspend_notifiers, NULL);
1753 runstate_set(RUN_STATE_SUSPENDED);
1754 qapi_event_send_suspend(&error_abort);
1757 void qemu_system_suspend_request(void)
1759 if (runstate_check(RUN_STATE_SUSPENDED)) {
1762 suspend_requested = 1;
1764 qemu_notify_event();
1767 void qemu_register_suspend_notifier(Notifier *notifier)
1769 notifier_list_add(&suspend_notifiers, notifier);
1772 void qemu_system_wakeup_request(WakeupReason reason)
1774 trace_system_wakeup_request(reason);
1776 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1779 if (!(wakeup_reason_mask & (1 << reason))) {
1782 runstate_set(RUN_STATE_RUNNING);
1783 wakeup_reason = reason;
1784 qemu_notify_event();
1787 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1790 wakeup_reason_mask |= (1 << reason);
1792 wakeup_reason_mask &= ~(1 << reason);
1796 void qemu_register_wakeup_notifier(Notifier *notifier)
1798 notifier_list_add(&wakeup_notifiers, notifier);
1801 void qemu_system_killed(int signal, pid_t pid)
1803 shutdown_signal = signal;
1807 /* Cannot call qemu_system_shutdown_request directly because
1808 * we are in a signal handler.
1810 shutdown_requested = 1;
1811 qemu_notify_event();
1814 void qemu_system_shutdown_request(void)
1816 trace_qemu_system_shutdown_request();
1817 replay_shutdown_request();
1818 shutdown_requested = 1;
1819 qemu_notify_event();
1822 static void qemu_system_powerdown(void)
1824 qapi_event_send_powerdown(&error_abort);
1825 notifier_list_notify(&powerdown_notifiers, NULL);
1828 void qemu_system_powerdown_request(void)
1830 trace_qemu_system_powerdown_request();
1831 powerdown_requested = 1;
1832 qemu_notify_event();
1835 void qemu_register_powerdown_notifier(Notifier *notifier)
1837 notifier_list_add(&powerdown_notifiers, notifier);
1840 void qemu_system_debug_request(void)
1842 debug_requested = 1;
1843 qemu_notify_event();
1846 static bool main_loop_should_exit(void)
1849 if (qemu_debug_requested()) {
1850 vm_stop(RUN_STATE_DEBUG);
1852 if (qemu_suspend_requested()) {
1853 qemu_system_suspend();
1855 if (qemu_shutdown_requested()) {
1857 qapi_event_send_shutdown(&error_abort);
1859 vm_stop(RUN_STATE_SHUTDOWN);
1864 if (qemu_reset_requested()) {
1866 qemu_system_reset(VMRESET_REPORT);
1868 if (!runstate_check(RUN_STATE_RUNNING) &&
1869 !runstate_check(RUN_STATE_INMIGRATE)) {
1870 runstate_set(RUN_STATE_PRELAUNCH);
1873 if (qemu_wakeup_requested()) {
1875 qemu_system_reset(VMRESET_SILENT);
1876 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1877 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1879 qapi_event_send_wakeup(&error_abort);
1881 if (qemu_powerdown_requested()) {
1882 qemu_system_powerdown();
1884 if (qemu_vmstop_requested(&r)) {
1890 static void main_loop(void)
1892 #ifdef CONFIG_PROFILER
1896 #ifdef CONFIG_PROFILER
1897 ti = profile_getclock();
1899 main_loop_wait(false);
1900 #ifdef CONFIG_PROFILER
1901 dev_time += profile_getclock() - ti;
1903 } while (!main_loop_should_exit());
1906 static void version(void)
1908 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1909 QEMU_COPYRIGHT "\n");
1912 static void help(int exitcode)
1915 printf("usage: %s [options] [disk_image]\n\n"
1916 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1917 error_get_progname());
1919 #define QEMU_OPTIONS_GENERATE_HELP
1920 #include "qemu-options-wrapper.h"
1922 printf("\nDuring emulation, the following keys are useful:\n"
1923 "ctrl-alt-f toggle full screen\n"
1924 "ctrl-alt-n switch to virtual console 'n'\n"
1925 "ctrl-alt toggle mouse and keyboard grab\n"
1927 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1932 #define HAS_ARG 0x0001
1934 typedef struct QEMUOption {
1941 static const QEMUOption qemu_options[] = {
1942 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1943 #define QEMU_OPTIONS_GENERATE_OPTIONS
1944 #include "qemu-options-wrapper.h"
1948 typedef struct VGAInterfaceInfo {
1949 const char *opt_name; /* option name */
1950 const char *name; /* human-readable name */
1951 /* Class names indicating that support is available.
1952 * If no class is specified, the interface is always available */
1953 const char *class_names[2];
1956 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1962 .name = "standard VGA",
1963 .class_names = { "VGA", "isa-vga" },
1966 .opt_name = "cirrus",
1967 .name = "Cirrus VGA",
1968 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1971 .opt_name = "vmware",
1972 .name = "VMWare SVGA",
1973 .class_names = { "vmware-svga" },
1976 .opt_name = "virtio",
1977 .name = "Virtio VGA",
1978 .class_names = { "virtio-vga" },
1983 .class_names = { "qxl-vga" },
1987 .name = "TCX framebuffer",
1988 .class_names = { "SUNW,tcx" },
1992 .name = "CG3 framebuffer",
1993 .class_names = { "cgthree" },
1996 .opt_name = "xenfb",
2000 static bool vga_interface_available(VGAInterfaceType t)
2002 VGAInterfaceInfo *ti = &vga_interfaces[t];
2004 assert(t < VGA_TYPE_MAX);
2005 return !ti->class_names[0] ||
2006 object_class_by_name(ti->class_names[0]) ||
2007 object_class_by_name(ti->class_names[1]);
2010 static void select_vgahw(const char *p)
2015 assert(vga_interface_type == VGA_NONE);
2016 for (t = 0; t < VGA_TYPE_MAX; t++) {
2017 VGAInterfaceInfo *ti = &vga_interfaces[t];
2018 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2019 if (!vga_interface_available(t)) {
2020 error_report("%s not available", ti->name);
2023 vga_interface_type = t;
2027 if (t == VGA_TYPE_MAX) {
2029 error_report("unknown vga type: %s", p);
2033 const char *nextopt;
2035 if (strstart(opts, ",retrace=", &nextopt)) {
2037 if (strstart(opts, "dumb", &nextopt))
2038 vga_retrace_method = VGA_RETRACE_DUMB;
2039 else if (strstart(opts, "precise", &nextopt))
2040 vga_retrace_method = VGA_RETRACE_PRECISE;
2041 else goto invalid_vga;
2042 } else goto invalid_vga;
2047 typedef enum DisplayType {
2056 static DisplayType select_display(const char *p)
2059 DisplayType display = DT_DEFAULT;
2061 if (strstart(p, "sdl", &opts)) {
2065 const char *nextopt;
2067 if (strstart(opts, ",frame=", &nextopt)) {
2069 if (strstart(opts, "on", &nextopt)) {
2071 } else if (strstart(opts, "off", &nextopt)) {
2074 goto invalid_sdl_args;
2076 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2078 if (strstart(opts, "on", &nextopt)) {
2080 } else if (strstart(opts, "off", &nextopt)) {
2083 goto invalid_sdl_args;
2085 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2087 if (strstart(opts, "on", &nextopt)) {
2089 } else if (strstart(opts, "off", &nextopt)) {
2092 goto invalid_sdl_args;
2094 } else if (strstart(opts, ",window_close=", &nextopt)) {
2096 if (strstart(opts, "on", &nextopt)) {
2098 } else if (strstart(opts, "off", &nextopt)) {
2101 goto invalid_sdl_args;
2103 } else if (strstart(opts, ",gl=", &nextopt)) {
2105 if (strstart(opts, "on", &nextopt)) {
2107 } else if (strstart(opts, "off", &nextopt)) {
2110 goto invalid_sdl_args;
2114 error_report("invalid SDL option string");
2120 error_report("SDL support is disabled");
2123 } else if (strstart(p, "vnc", &opts)) {
2125 vnc_parse(opts + 1, &error_fatal);
2127 error_report("VNC requires a display argument vnc=<display>");
2130 } else if (strstart(p, "curses", &opts)) {
2131 #ifdef CONFIG_CURSES
2132 display = DT_CURSES;
2134 error_report("curses support is disabled");
2137 } else if (strstart(p, "gtk", &opts)) {
2141 const char *nextopt;
2143 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2145 if (strstart(opts, "on", &nextopt)) {
2146 grab_on_hover = true;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 grab_on_hover = false;
2150 goto invalid_gtk_args;
2152 } else if (strstart(opts, ",gl=", &nextopt)) {
2154 if (strstart(opts, "on", &nextopt)) {
2156 } else if (strstart(opts, "off", &nextopt)) {
2159 goto invalid_gtk_args;
2163 error_report("invalid GTK option string");
2169 error_report("GTK support is disabled");
2172 } else if (strstart(p, "none", &opts)) {
2175 error_report("unknown display type");
2182 static int balloon_parse(const char *arg)
2186 if (strcmp(arg, "none") == 0) {
2190 if (!strncmp(arg, "virtio", 6)) {
2191 if (arg[6] == ',') {
2192 /* have params -> parse them */
2193 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2198 /* create empty opts */
2199 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2202 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2209 char *qemu_find_file(int type, const char *name)
2215 /* Try the name as a straight path first */
2216 if (access(name, R_OK) == 0) {
2217 trace_load_file(name, name);
2218 return g_strdup(name);
2222 case QEMU_FILE_TYPE_BIOS:
2225 case QEMU_FILE_TYPE_KEYMAP:
2226 subdir = "keymaps/";
2232 for (i = 0; i < data_dir_idx; i++) {
2233 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2234 if (access(buf, R_OK) == 0) {
2235 trace_load_file(name, buf);
2243 static inline bool nonempty_str(const char *str)
2248 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2252 const char *name, *file, *str;
2253 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2255 if (fw_cfg == NULL) {
2256 error_report("fw_cfg device not available");
2259 name = qemu_opt_get(opts, "name");
2260 file = qemu_opt_get(opts, "file");
2261 str = qemu_opt_get(opts, "string");
2263 /* we need name and either a file or the content string */
2264 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2265 error_report("invalid argument(s)");
2268 if (nonempty_str(file) && nonempty_str(str)) {
2269 error_report("file and string are mutually exclusive");
2272 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2273 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2276 if (strncmp(name, "opt/", 4) != 0) {
2277 error_report("warning: externally provided fw_cfg item names "
2278 "should be prefixed with \"opt/\"");
2280 if (nonempty_str(str)) {
2281 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2282 buf = g_memdup(str, size);
2284 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2285 error_report("can't load %s", file);
2289 /* For legacy, keep user files in a specific global order. */
2290 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2291 fw_cfg_add_file(fw_cfg, name, buf, size);
2292 fw_cfg_reset_order_override(fw_cfg);
2296 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2298 return qdev_device_help(opts);
2301 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2306 dev = qdev_device_add(opts, &err);
2308 error_report_err(err);
2311 object_unref(OBJECT(dev));
2315 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2317 Error *local_err = NULL;
2319 qemu_chr_new_from_opts(opts, &local_err);
2321 error_report_err(local_err);
2327 #ifdef CONFIG_VIRTFS
2328 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2330 return qemu_fsdev_add(opts);
2334 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 const char *chardev;
2341 mode = qemu_opt_get(opts, "mode");
2345 if (strcmp(mode, "readline") == 0) {
2346 flags = MONITOR_USE_READLINE;
2347 } else if (strcmp(mode, "control") == 0) {
2348 flags = MONITOR_USE_CONTROL;
2350 error_report("unknown monitor mode \"%s\"", mode);
2354 if (qemu_opt_get_bool(opts, "pretty", 0))
2355 flags |= MONITOR_USE_PRETTY;
2357 if (qemu_opt_get_bool(opts, "default", 0)) {
2358 error_report("option 'default' does nothing and is deprecated");
2361 chardev = qemu_opt_get(opts, "chardev");
2362 chr = qemu_chr_find(chardev);
2364 error_report("chardev \"%s\" not found", chardev);
2368 monitor_init(chr, flags);
2372 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2374 static int monitor_device_index = 0;
2379 if (strstart(optarg, "chardev:", &p)) {
2380 snprintf(label, sizeof(label), "%s", p);
2382 snprintf(label, sizeof(label), "compat_monitor%d",
2383 monitor_device_index);
2384 opts = qemu_chr_parse_compat(label, optarg);
2386 error_report("parse error: %s", optarg);
2391 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2392 qemu_opt_set(opts, "mode", mode, &error_abort);
2393 qemu_opt_set(opts, "chardev", label, &error_abort);
2394 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2395 monitor_device_index++;
2398 struct device_config {
2400 DEV_USB, /* -usbdevice */
2402 DEV_SERIAL, /* -serial */
2403 DEV_PARALLEL, /* -parallel */
2404 DEV_VIRTCON, /* -virtioconsole */
2405 DEV_DEBUGCON, /* -debugcon */
2406 DEV_GDB, /* -gdb, -s */
2407 DEV_SCLP, /* s390 sclp */
2409 const char *cmdline;
2411 QTAILQ_ENTRY(device_config) next;
2414 static QTAILQ_HEAD(, device_config) device_configs =
2415 QTAILQ_HEAD_INITIALIZER(device_configs);
2417 static void add_device_config(int type, const char *cmdline)
2419 struct device_config *conf;
2421 conf = g_malloc0(sizeof(*conf));
2423 conf->cmdline = cmdline;
2424 loc_save(&conf->loc);
2425 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2428 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2430 struct device_config *conf;
2433 QTAILQ_FOREACH(conf, &device_configs, next) {
2434 if (conf->type != type)
2436 loc_push_restore(&conf->loc);
2437 rc = func(conf->cmdline);
2438 loc_pop(&conf->loc);
2446 static int serial_parse(const char *devname)
2448 static int index = 0;
2451 if (strcmp(devname, "none") == 0)
2453 if (index == MAX_SERIAL_PORTS) {
2454 error_report("too many serial ports");
2457 snprintf(label, sizeof(label), "serial%d", index);
2458 serial_hds[index] = qemu_chr_new(label, devname);
2459 if (!serial_hds[index]) {
2460 error_report("could not connect serial device"
2461 " to character backend '%s'", devname);
2468 static int parallel_parse(const char *devname)
2470 static int index = 0;
2473 if (strcmp(devname, "none") == 0)
2475 if (index == MAX_PARALLEL_PORTS) {
2476 error_report("too many parallel ports");
2479 snprintf(label, sizeof(label), "parallel%d", index);
2480 parallel_hds[index] = qemu_chr_new(label, devname);
2481 if (!parallel_hds[index]) {
2482 error_report("could not connect parallel device"
2483 " to character backend '%s'", devname);
2490 static int virtcon_parse(const char *devname)
2492 QemuOptsList *device = qemu_find_opts("device");
2493 static int index = 0;
2495 QemuOpts *bus_opts, *dev_opts;
2497 if (strcmp(devname, "none") == 0)
2499 if (index == MAX_VIRTIO_CONSOLES) {
2500 error_report("too many virtio consoles");
2504 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2505 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2507 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2508 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2510 snprintf(label, sizeof(label), "virtcon%d", index);
2511 virtcon_hds[index] = qemu_chr_new(label, devname);
2512 if (!virtcon_hds[index]) {
2513 error_report("could not connect virtio console"
2514 " to character backend '%s'", devname);
2517 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2523 static int sclp_parse(const char *devname)
2525 QemuOptsList *device = qemu_find_opts("device");
2526 static int index = 0;
2530 if (strcmp(devname, "none") == 0) {
2533 if (index == MAX_SCLP_CONSOLES) {
2534 error_report("too many sclp consoles");
2538 assert(arch_type == QEMU_ARCH_S390X);
2540 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2541 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2543 snprintf(label, sizeof(label), "sclpcon%d", index);
2544 sclp_hds[index] = qemu_chr_new(label, devname);
2545 if (!sclp_hds[index]) {
2546 error_report("could not connect sclp console"
2547 " to character backend '%s'", devname);
2550 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2556 static int debugcon_parse(const char *devname)
2560 if (!qemu_chr_new("debugcon", devname)) {
2563 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2565 error_report("already have a debugcon device");
2568 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2569 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2573 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2575 const MachineClass *mc1 = a, *mc2 = b;
2578 if (mc1->family == NULL) {
2579 if (mc2->family == NULL) {
2580 /* Compare standalone machine types against each other; they sort
2581 * in increasing order.
2583 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2584 object_class_get_name(OBJECT_CLASS(mc2)));
2587 /* Standalone machine types sort after families. */
2591 if (mc2->family == NULL) {
2592 /* Families sort before standalone machine types. */
2596 /* Families sort between each other alphabetically increasingly. */
2597 res = strcmp(mc1->family, mc2->family);
2602 /* Within the same family, machine types sort in decreasing order. */
2603 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2604 object_class_get_name(OBJECT_CLASS(mc1)));
2607 static MachineClass *machine_parse(const char *name)
2609 MachineClass *mc = NULL;
2610 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2613 mc = find_machine(name);
2616 g_slist_free(machines);
2619 if (name && !is_help_option(name)) {
2620 error_report("unsupported machine type");
2621 error_printf("Use -machine help to list supported machines\n");
2623 printf("Supported machines are:\n");
2624 machines = g_slist_sort(machines, machine_class_cmp);
2625 for (el = machines; el; el = el->next) {
2626 MachineClass *mc = el->data;
2628 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2630 printf("%-20s %s%s\n", mc->name, mc->desc,
2631 mc->is_default ? " (default)" : "");
2635 g_slist_free(machines);
2636 exit(!name || !is_help_option(name));
2639 void qemu_add_exit_notifier(Notifier *notify)
2641 notifier_list_add(&exit_notifiers, notify);
2644 void qemu_remove_exit_notifier(Notifier *notify)
2646 notifier_remove(notify);
2649 static void qemu_run_exit_notifiers(void)
2651 notifier_list_notify(&exit_notifiers, NULL);
2654 static bool machine_init_done;
2656 void qemu_add_machine_init_done_notifier(Notifier *notify)
2658 notifier_list_add(&machine_init_done_notifiers, notify);
2659 if (machine_init_done) {
2660 notify->notify(notify, NULL);
2664 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2666 notifier_remove(notify);
2669 static void qemu_run_machine_init_done_notifiers(void)
2671 notifier_list_notify(&machine_init_done_notifiers, NULL);
2672 machine_init_done = true;
2675 static const QEMUOption *lookup_opt(int argc, char **argv,
2676 const char **poptarg, int *poptind)
2678 const QEMUOption *popt;
2679 int optind = *poptind;
2680 char *r = argv[optind];
2683 loc_set_cmdline(argv, optind, 1);
2685 /* Treat --foo the same as -foo. */
2688 popt = qemu_options;
2691 error_report("invalid option");
2694 if (!strcmp(popt->name, r + 1))
2698 if (popt->flags & HAS_ARG) {
2699 if (optind >= argc) {
2700 error_report("requires an argument");
2703 optarg = argv[optind++];
2704 loc_set_cmdline(argv, optind - 2, 2);
2715 static MachineClass *select_machine(void)
2717 MachineClass *machine_class = find_default_machine();
2722 loc_push_none(&loc);
2724 opts = qemu_get_machine_opts();
2725 qemu_opts_loc_restore(opts);
2727 optarg = qemu_opt_get(opts, "type");
2729 machine_class = machine_parse(optarg);
2732 if (!machine_class) {
2733 error_report("No machine specified, and there is no default");
2734 error_printf("Use -machine help to list supported machines\n");
2739 return machine_class;
2742 static int machine_set_property(void *opaque,
2743 const char *name, const char *value,
2746 Object *obj = OBJECT(opaque);
2747 Error *local_err = NULL;
2750 if (strcmp(name, "type") == 0) {
2754 qom_name = g_strdup(name);
2755 for (p = qom_name; *p; p++) {
2761 object_property_parse(obj, value, qom_name, &local_err);
2765 error_report_err(local_err);
2774 * Initial object creation happens before all other
2775 * QEMU data types are created. The majority of objects
2776 * can be created at this point. The rng-egd object
2777 * cannot be created here, as it depends on the chardev
2780 static bool object_create_initial(const char *type)
2782 if (g_str_equal(type, "rng-egd")) {
2787 * return false for concrete netfilters since
2788 * they depend on netdevs already existing
2790 if (g_str_equal(type, "filter-buffer") ||
2791 g_str_equal(type, "filter-dump") ||
2792 g_str_equal(type, "filter-mirror") ||
2793 g_str_equal(type, "filter-redirector") ||
2794 g_str_equal(type, "colo-compare") ||
2795 g_str_equal(type, "filter-rewriter") ||
2796 g_str_equal(type, "filter-replay")) {
2800 /* Memory allocation by backends needs to be done
2801 * after configure_accelerator() (due to the tcg_enabled()
2802 * checks at memory_region_init_*()).
2804 * Also, allocation of large amounts of memory may delay
2805 * chardev initialization for too long, and trigger timeouts
2806 * on software that waits for a monitor socket to be created
2809 if (g_str_has_prefix(type, "memory-backend-")) {
2818 * The remainder of object creation happens after the
2819 * creation of chardev, fsdev, net clients and device data types.
2821 static bool object_create_delayed(const char *type)
2823 return !object_create_initial(type);
2827 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2831 const char *mem_str;
2832 const char *maxmem_str, *slots_str;
2833 const ram_addr_t default_ram_size = mc->default_ram_size;
2834 QemuOpts *opts = qemu_find_opts_singleton("memory");
2837 loc_push_none(&loc);
2838 qemu_opts_loc_restore(opts);
2841 mem_str = qemu_opt_get(opts, "size");
2844 error_report("missing 'size' option value");
2848 sz = qemu_opt_get_size(opts, "size", ram_size);
2850 /* Fix up legacy suffix-less format */
2851 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2852 uint64_t overflow_check = sz;
2855 if ((sz >> 20) != overflow_check) {
2856 error_report("too large 'size' option value");
2862 /* backward compatibility behaviour for case "-m 0" */
2864 sz = default_ram_size;
2867 sz = QEMU_ALIGN_UP(sz, 8192);
2869 if (ram_size != sz) {
2870 error_report("ram size too large");
2874 /* store value for the future use */
2875 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2876 *maxram_size = ram_size;
2878 maxmem_str = qemu_opt_get(opts, "maxmem");
2879 slots_str = qemu_opt_get(opts, "slots");
2880 if (maxmem_str && slots_str) {
2883 sz = qemu_opt_get_size(opts, "maxmem", 0);
2884 slots = qemu_opt_get_number(opts, "slots", 0);
2885 if (sz < ram_size) {
2886 error_report("invalid value of -m option maxmem: "
2887 "maximum memory size (0x%" PRIx64 ") must be at least "
2888 "the initial memory size (0x" RAM_ADDR_FMT ")",
2891 } else if (sz > ram_size) {
2893 error_report("invalid value of -m option: maxmem was "
2894 "specified, but no hotplug slots were specified");
2898 error_report("invalid value of -m option maxmem: "
2899 "memory slots were specified but maximum memory size "
2900 "(0x%" PRIx64 ") is equal to the initial memory size "
2901 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2907 } else if ((!maxmem_str && slots_str) ||
2908 (maxmem_str && !slots_str)) {
2909 error_report("invalid -m option value: missing "
2910 "'%s' option", slots_str ? "maxmem" : "slots");
2917 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2921 g = g_malloc0(sizeof(*g));
2922 g->driver = qemu_opt_get(opts, "driver");
2923 g->property = qemu_opt_get(opts, "property");
2924 g->value = qemu_opt_get(opts, "value");
2925 g->user_provided = true;
2926 g->errp = &error_fatal;
2927 qdev_prop_register_global(g);
2931 static int qemu_read_default_config_file(void)
2935 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2936 if (ret < 0 && ret != -ENOENT) {
2943 int main(int argc, char **argv, char **envp)
2946 int snapshot, linux_boot;
2947 const char *initrd_filename;
2948 const char *kernel_filename, *kernel_cmdline;
2949 const char *boot_order = NULL;
2950 const char *boot_once = NULL;
2952 int cyls, heads, secs, translation;
2953 QemuOpts *opts, *machine_opts;
2954 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
2955 QemuOptsList *olist;
2958 const char *loadvm = NULL;
2959 MachineClass *machine_class;
2960 const char *cpu_model;
2961 const char *vga_model = NULL;
2962 const char *qtest_chrdev = NULL;
2963 const char *qtest_log = NULL;
2964 const char *pid_file = NULL;
2965 const char *incoming = NULL;
2966 bool defconfig = true;
2967 bool userconfig = true;
2968 bool nographic = false;
2969 DisplayType display_type = DT_DEFAULT;
2970 int display_remote = 0;
2971 const char *log_mask = NULL;
2972 const char *log_file = NULL;
2973 char *trace_file = NULL;
2974 ram_addr_t maxram_size;
2975 uint64_t ram_slots = 0;
2976 FILE *vmstate_dump_file = NULL;
2977 Error *main_loop_err = NULL;
2979 bool list_data_dirs = false;
2980 typedef struct BlockdevOptions_queue {
2981 BlockdevOptions *bdo;
2983 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2984 } BlockdevOptions_queue;
2985 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2986 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2988 module_call_init(MODULE_INIT_TRACE);
2990 qemu_init_cpu_list();
2991 qemu_init_cpu_loop();
2992 qemu_mutex_lock_iothread();
2994 atexit(qemu_run_exit_notifiers);
2995 error_set_progname(argv[0]);
2996 qemu_init_exec_dir(argv[0]);
2998 module_call_init(MODULE_INIT_QOM);
2999 monitor_init_qmp_commands();
3001 qemu_add_opts(&qemu_drive_opts);
3002 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3003 qemu_add_drive_opts(&qemu_common_drive_opts);
3004 qemu_add_drive_opts(&qemu_drive_opts);
3005 qemu_add_drive_opts(&bdrv_runtime_opts);
3006 qemu_add_opts(&qemu_chardev_opts);
3007 qemu_add_opts(&qemu_device_opts);
3008 qemu_add_opts(&qemu_netdev_opts);
3009 qemu_add_opts(&qemu_net_opts);
3010 qemu_add_opts(&qemu_rtc_opts);
3011 qemu_add_opts(&qemu_global_opts);
3012 qemu_add_opts(&qemu_mon_opts);
3013 qemu_add_opts(&qemu_trace_opts);
3014 qemu_add_opts(&qemu_option_rom_opts);
3015 qemu_add_opts(&qemu_machine_opts);
3016 qemu_add_opts(&qemu_accel_opts);
3017 qemu_add_opts(&qemu_mem_opts);
3018 qemu_add_opts(&qemu_smp_opts);
3019 qemu_add_opts(&qemu_boot_opts);
3020 qemu_add_opts(&qemu_sandbox_opts);
3021 qemu_add_opts(&qemu_add_fd_opts);
3022 qemu_add_opts(&qemu_object_opts);
3023 qemu_add_opts(&qemu_tpmdev_opts);
3024 qemu_add_opts(&qemu_realtime_opts);
3025 qemu_add_opts(&qemu_msg_opts);
3026 qemu_add_opts(&qemu_name_opts);
3027 qemu_add_opts(&qemu_numa_opts);
3028 qemu_add_opts(&qemu_icount_opts);
3029 qemu_add_opts(&qemu_semihosting_config_opts);
3030 qemu_add_opts(&qemu_fw_cfg_opts);
3031 module_call_init(MODULE_INIT_OPTS);
3035 if (qcrypto_init(&err) < 0) {
3036 error_reportf_err(err, "cannot initialize crypto: ");
3039 rtc_clock = QEMU_CLOCK_HOST;
3041 QLIST_INIT (&vm_change_state_head);
3042 os_setup_early_signal_handling();
3046 cyls = heads = secs = 0;
3047 translation = BIOS_ATA_TRANSLATION_AUTO;
3051 bdrv_init_with_whitelist();
3055 /* first pass of option parsing */
3057 while (optind < argc) {
3058 if (argv[optind][0] != '-') {
3062 const QEMUOption *popt;
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 switch (popt->index) {
3066 case QEMU_OPTION_nodefconfig:
3069 case QEMU_OPTION_nouserconfig:
3076 if (defconfig && userconfig) {
3077 if (qemu_read_default_config_file() < 0) {
3082 /* second pass of option parsing */
3087 if (argv[optind][0] != '-') {
3088 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3090 const QEMUOption *popt;
3092 popt = lookup_opt(argc, argv, &optarg, &optind);
3093 if (!(popt->arch_mask & arch_type)) {
3094 error_report("Option not supported for this target");
3097 switch(popt->index) {
3098 case QEMU_OPTION_no_kvm_irqchip: {
3099 olist = qemu_find_opts("machine");
3100 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3103 case QEMU_OPTION_cpu:
3104 /* hw initialization will check this */
3107 case QEMU_OPTION_hda:
3111 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3113 snprintf(buf, sizeof(buf),
3114 "%s,cyls=%d,heads=%d,secs=%d%s",
3115 HD_OPTS , cyls, heads, secs,
3116 translation == BIOS_ATA_TRANSLATION_LBA ?
3118 translation == BIOS_ATA_TRANSLATION_NONE ?
3119 ",trans=none" : "");
3120 drive_add(IF_DEFAULT, 0, optarg, buf);
3123 case QEMU_OPTION_hdb:
3124 case QEMU_OPTION_hdc:
3125 case QEMU_OPTION_hdd:
3126 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3129 case QEMU_OPTION_blockdev:
3132 BlockdevOptions_queue *bdo;
3134 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3136 error_report_err(err);
3140 bdo = g_new(BlockdevOptions_queue, 1);
3141 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3144 loc_save(&bdo->loc);
3145 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3148 case QEMU_OPTION_drive:
3149 if (drive_def(optarg) == NULL) {
3153 case QEMU_OPTION_set:
3154 if (qemu_set_option(optarg) != 0)
3157 case QEMU_OPTION_global:
3158 if (qemu_global_option(optarg) != 0)
3161 case QEMU_OPTION_mtdblock:
3162 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3164 case QEMU_OPTION_sd:
3165 drive_add(IF_SD, -1, optarg, SD_OPTS);
3167 case QEMU_OPTION_pflash:
3168 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3170 case QEMU_OPTION_snapshot:
3173 case QEMU_OPTION_hdachs:
3177 cyls = strtol(p, (char **)&p, 0);
3178 if (cyls < 1 || cyls > 16383)
3183 heads = strtol(p, (char **)&p, 0);
3184 if (heads < 1 || heads > 16)
3189 secs = strtol(p, (char **)&p, 0);
3190 if (secs < 1 || secs > 63)
3194 if (!strcmp(p, "large")) {
3195 translation = BIOS_ATA_TRANSLATION_LARGE;
3196 } else if (!strcmp(p, "rechs")) {
3197 translation = BIOS_ATA_TRANSLATION_RECHS;
3198 } else if (!strcmp(p, "none")) {
3199 translation = BIOS_ATA_TRANSLATION_NONE;
3200 } else if (!strcmp(p, "lba")) {
3201 translation = BIOS_ATA_TRANSLATION_LBA;
3202 } else if (!strcmp(p, "auto")) {
3203 translation = BIOS_ATA_TRANSLATION_AUTO;
3207 } else if (*p != '\0') {
3209 error_report("invalid physical CHS format");
3212 if (hda_opts != NULL) {
3213 qemu_opt_set_number(hda_opts, "cyls", cyls,
3215 qemu_opt_set_number(hda_opts, "heads", heads,
3217 qemu_opt_set_number(hda_opts, "secs", secs,
3219 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3220 qemu_opt_set(hda_opts, "trans", "large",
3222 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3223 qemu_opt_set(hda_opts, "trans", "rechs",
3225 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3226 qemu_opt_set(hda_opts, "trans", "lba",
3228 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3229 qemu_opt_set(hda_opts, "trans", "none",
3234 error_report("'-hdachs' is deprecated, please use '-device"
3235 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3237 case QEMU_OPTION_numa:
3238 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3244 case QEMU_OPTION_display:
3245 display_type = select_display(optarg);
3247 case QEMU_OPTION_nographic:
3248 olist = qemu_find_opts("machine");
3249 qemu_opts_parse_noisily(olist, "graphics=off", false);
3251 display_type = DT_NONE;
3253 case QEMU_OPTION_curses:
3254 #ifdef CONFIG_CURSES
3255 display_type = DT_CURSES;
3257 error_report("curses support is disabled");
3261 case QEMU_OPTION_portrait:
3262 graphic_rotate = 90;
3264 case QEMU_OPTION_rotate:
3265 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3266 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3267 graphic_rotate != 180 && graphic_rotate != 270) {
3268 error_report("only 90, 180, 270 deg rotation is available");
3272 case QEMU_OPTION_kernel:
3273 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3276 case QEMU_OPTION_initrd:
3277 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3280 case QEMU_OPTION_append:
3281 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3284 case QEMU_OPTION_dtb:
3285 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3288 case QEMU_OPTION_cdrom:
3289 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3291 case QEMU_OPTION_boot:
3292 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3298 case QEMU_OPTION_fda:
3299 case QEMU_OPTION_fdb:
3300 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3303 case QEMU_OPTION_no_fd_bootchk:
3306 case QEMU_OPTION_netdev:
3308 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3312 case QEMU_OPTION_net:
3314 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3318 #ifdef CONFIG_LIBISCSI
3319 case QEMU_OPTION_iscsi:
3320 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3328 case QEMU_OPTION_tftp:
3329 error_report("The -tftp option is deprecated. "
3330 "Please use '-netdev user,tftp=...' instead.");
3331 legacy_tftp_prefix = optarg;
3333 case QEMU_OPTION_bootp:
3334 error_report("The -bootp option is deprecated. "
3335 "Please use '-netdev user,bootfile=...' instead.");
3336 legacy_bootp_filename = optarg;
3338 case QEMU_OPTION_redir:
3339 error_report("The -redir option is deprecated. "
3340 "Please use '-netdev user,hostfwd=...' instead.");
3341 if (net_slirp_redir(optarg) < 0)
3345 case QEMU_OPTION_bt:
3346 add_device_config(DEV_BT, optarg);
3348 case QEMU_OPTION_audio_help:
3352 case QEMU_OPTION_soundhw:
3353 select_soundhw (optarg);
3358 case QEMU_OPTION_version:
3363 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3370 case QEMU_OPTION_tpmdev:
3371 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3376 case QEMU_OPTION_mempath:
3379 case QEMU_OPTION_mem_prealloc:
3388 case QEMU_OPTION_DFILTER:
3389 qemu_set_dfilter_ranges(optarg, &error_fatal);
3392 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3394 case QEMU_OPTION_gdb:
3395 add_device_config(DEV_GDB, optarg);
3398 if (is_help_option(optarg)) {
3399 list_data_dirs = true;
3400 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3401 data_dir[data_dir_idx++] = optarg;
3404 case QEMU_OPTION_bios:
3405 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3408 case QEMU_OPTION_singlestep:
3415 keyboard_layout = optarg;
3417 case QEMU_OPTION_localtime:
3420 case QEMU_OPTION_vga:
3429 w = strtol(p, (char **)&p, 10);
3432 error_report("invalid resolution or depth");
3438 h = strtol(p, (char **)&p, 10);
3443 depth = strtol(p, (char **)&p, 10);
3444 if (depth != 8 && depth != 15 && depth != 16 &&
3445 depth != 24 && depth != 32)
3447 } else if (*p == '\0') {
3448 depth = graphic_depth;
3455 graphic_depth = depth;
3458 case QEMU_OPTION_echr:
3461 term_escape_char = strtol(optarg, &r, 0);
3463 printf("Bad argument to echr\n");
3466 case QEMU_OPTION_monitor:
3467 default_monitor = 0;
3468 if (strncmp(optarg, "none", 4)) {
3469 monitor_parse(optarg, "readline", false);
3472 case QEMU_OPTION_qmp:
3473 monitor_parse(optarg, "control", false);
3474 default_monitor = 0;
3476 case QEMU_OPTION_qmp_pretty:
3477 monitor_parse(optarg, "control", true);
3478 default_monitor = 0;
3480 case QEMU_OPTION_mon:
3481 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3486 default_monitor = 0;
3488 case QEMU_OPTION_chardev:
3489 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3495 case QEMU_OPTION_fsdev:
3496 olist = qemu_find_opts("fsdev");
3498 error_report("fsdev support is disabled");
3501 opts = qemu_opts_parse_noisily(olist, optarg, true);
3506 case QEMU_OPTION_virtfs: {
3509 const char *writeout, *sock_fd, *socket;
3511 olist = qemu_find_opts("virtfs");
3513 error_report("virtfs support is disabled");
3516 opts = qemu_opts_parse_noisily(olist, optarg, true);
3521 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3522 qemu_opt_get(opts, "mount_tag") == NULL) {
3523 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3526 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3527 qemu_opt_get(opts, "mount_tag"),
3530 error_report("duplicate fsdev id: %s",
3531 qemu_opt_get(opts, "mount_tag"));
3535 writeout = qemu_opt_get(opts, "writeout");
3537 #ifdef CONFIG_SYNC_FILE_RANGE
3538 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3540 error_report("writeout=immediate not supported "
3541 "on this platform");
3545 qemu_opt_set(fsdev, "fsdriver",
3546 qemu_opt_get(opts, "fsdriver"), &error_abort);
3547 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3549 qemu_opt_set(fsdev, "security_model",
3550 qemu_opt_get(opts, "security_model"),
3552 socket = qemu_opt_get(opts, "socket");
3554 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3556 sock_fd = qemu_opt_get(opts, "sock_fd");
3558 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3561 qemu_opt_set_bool(fsdev, "readonly",
3562 qemu_opt_get_bool(opts, "readonly", 0),
3564 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3566 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3567 qemu_opt_set(device, "fsdev",
3568 qemu_opt_get(opts, "mount_tag"), &error_abort);
3569 qemu_opt_set(device, "mount_tag",
3570 qemu_opt_get(opts, "mount_tag"), &error_abort);
3573 case QEMU_OPTION_virtfs_synth: {
3577 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3580 error_report("duplicate option: %s", "virtfs_synth");
3583 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3585 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3587 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3588 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3589 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3592 case QEMU_OPTION_serial:
3593 add_device_config(DEV_SERIAL, optarg);
3595 if (strncmp(optarg, "mon:", 4) == 0) {
3596 default_monitor = 0;
3599 case QEMU_OPTION_watchdog:
3601 error_report("only one watchdog option may be given");
3606 case QEMU_OPTION_watchdog_action:
3607 if (select_watchdog_action(optarg) == -1) {
3608 error_report("unknown -watchdog-action parameter");
3612 case QEMU_OPTION_virtiocon:
3613 add_device_config(DEV_VIRTCON, optarg);
3614 default_virtcon = 0;
3615 if (strncmp(optarg, "mon:", 4) == 0) {
3616 default_monitor = 0;
3619 case QEMU_OPTION_parallel:
3620 add_device_config(DEV_PARALLEL, optarg);
3621 default_parallel = 0;
3622 if (strncmp(optarg, "mon:", 4) == 0) {
3623 default_monitor = 0;
3626 case QEMU_OPTION_debugcon:
3627 add_device_config(DEV_DEBUGCON, optarg);
3629 case QEMU_OPTION_loadvm:
3632 case QEMU_OPTION_full_screen:
3635 case QEMU_OPTION_no_frame:
3638 case QEMU_OPTION_alt_grab:
3641 case QEMU_OPTION_ctrl_grab:
3644 case QEMU_OPTION_no_quit:
3647 case QEMU_OPTION_sdl:
3649 display_type = DT_SDL;
3652 error_report("SDL support is disabled");
3655 case QEMU_OPTION_pidfile:
3658 case QEMU_OPTION_win2k_hack:
3659 win2k_install_hack = 1;
3661 case QEMU_OPTION_rtc_td_hack: {
3662 static GlobalProperty slew_lost_ticks = {
3663 .driver = "mc146818rtc",
3664 .property = "lost_tick_policy",
3668 qdev_prop_register_global(&slew_lost_ticks);
3671 case QEMU_OPTION_acpitable:
3672 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3677 acpi_table_add(opts, &error_fatal);
3679 case QEMU_OPTION_smbios:
3680 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3685 smbios_entry_add(opts, &error_fatal);
3687 case QEMU_OPTION_fwcfg:
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3694 case QEMU_OPTION_enable_kvm:
3695 olist = qemu_find_opts("machine");
3696 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3698 case QEMU_OPTION_enable_hax:
3699 olist = qemu_find_opts("machine");
3700 qemu_opts_parse_noisily(olist, "accel=hax", false);
3703 case QEMU_OPTION_machine:
3704 olist = qemu_find_opts("machine");
3705 opts = qemu_opts_parse_noisily(olist, optarg, true);
3710 case QEMU_OPTION_no_kvm:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3714 case QEMU_OPTION_no_kvm_pit: {
3715 error_report("warning: ignoring deprecated option");
3718 case QEMU_OPTION_no_kvm_pit_reinjection: {
3719 static GlobalProperty kvm_pit_lost_tick_policy = {
3720 .driver = "kvm-pit",
3721 .property = "lost_tick_policy",
3725 error_report("warning: deprecated, replaced by "
3726 "-global kvm-pit.lost_tick_policy=discard");
3727 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3730 case QEMU_OPTION_accel:
3731 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3733 optarg = qemu_opt_get(accel_opts, "accel");
3735 olist = qemu_find_opts("machine");
3736 if (strcmp("kvm", optarg) == 0) {
3737 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3738 } else if (strcmp("xen", optarg) == 0) {
3739 qemu_opts_parse_noisily(olist, "accel=xen", false);
3740 } else if (strcmp("tcg", optarg) == 0) {
3741 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3743 if (!is_help_option(optarg)) {
3744 error_printf("Unknown accelerator: %s", optarg);
3746 error_printf("Supported accelerators: kvm, xen, tcg\n");
3750 case QEMU_OPTION_usb:
3751 olist = qemu_find_opts("machine");
3752 qemu_opts_parse_noisily(olist, "usb=on", false);
3754 case QEMU_OPTION_usbdevice:
3755 olist = qemu_find_opts("machine");
3756 qemu_opts_parse_noisily(olist, "usb=on", false);
3757 add_device_config(DEV_USB, optarg);
3759 case QEMU_OPTION_device:
3760 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3765 case QEMU_OPTION_smp:
3766 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3771 case QEMU_OPTION_vnc:
3772 vnc_parse(optarg, &error_fatal);
3774 case QEMU_OPTION_no_acpi:
3777 case QEMU_OPTION_no_hpet:
3780 case QEMU_OPTION_balloon:
3781 if (balloon_parse(optarg) < 0) {
3782 error_report("unknown -balloon argument %s", optarg);
3786 case QEMU_OPTION_no_reboot:
3789 case QEMU_OPTION_no_shutdown:
3792 case QEMU_OPTION_show_cursor:
3795 case QEMU_OPTION_uuid:
3796 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3797 error_report("failed to parse UUID string: wrong format");
3800 qemu_uuid_set = true;
3802 case QEMU_OPTION_option_rom:
3803 if (nb_option_roms >= MAX_OPTION_ROMS) {
3804 error_report("too many option ROMs");
3807 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3812 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3813 option_rom[nb_option_roms].bootindex =
3814 qemu_opt_get_number(opts, "bootindex", -1);
3815 if (!option_rom[nb_option_roms].name) {
3816 error_report("Option ROM file is not specified");
3821 case QEMU_OPTION_semihosting:
3822 semihosting.enabled = true;
3823 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3825 case QEMU_OPTION_semihosting_config:
3826 semihosting.enabled = true;
3827 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3830 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3832 const char *target = qemu_opt_get(opts, "target");
3833 if (target != NULL) {
3834 if (strcmp("native", target) == 0) {
3835 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3836 } else if (strcmp("gdb", target) == 0) {
3837 semihosting.target = SEMIHOSTING_TARGET_GDB;
3838 } else if (strcmp("auto", target) == 0) {
3839 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3841 error_report("unsupported semihosting-config %s",
3846 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3848 /* Set semihosting argument count and vector */
3849 qemu_opt_foreach(opts, add_semihosting_arg,
3850 &semihosting, NULL);
3852 error_report("unsupported semihosting-config %s", optarg);
3856 case QEMU_OPTION_tdf:
3857 error_report("warning: ignoring deprecated option");
3859 case QEMU_OPTION_name:
3860 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3866 case QEMU_OPTION_prom_env:
3867 if (nb_prom_envs >= MAX_PROM_ENVS) {
3868 error_report("too many prom variables");
3871 prom_envs[nb_prom_envs] = optarg;
3874 case QEMU_OPTION_old_param:
3877 case QEMU_OPTION_clock:
3878 /* Clock options no longer exist. Keep this option for
3879 * backward compatibility.
3882 case QEMU_OPTION_startdate:
3883 configure_rtc_date_offset(optarg, 1);
3885 case QEMU_OPTION_rtc:
3886 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3891 configure_rtc(opts);
3893 case QEMU_OPTION_tb_size:
3894 tcg_tb_size = strtol(optarg, NULL, 0);
3895 if (tcg_tb_size < 0) {
3899 case QEMU_OPTION_icount:
3900 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3906 case QEMU_OPTION_incoming:
3908 runstate_set(RUN_STATE_INMIGRATE);
3912 case QEMU_OPTION_only_migratable:
3913 only_migratable = 1;
3915 case QEMU_OPTION_nodefaults:
3918 case QEMU_OPTION_xen_domid:
3919 if (!(xen_available())) {
3920 error_report("Option not supported for this target");
3923 xen_domid = atoi(optarg);
3925 case QEMU_OPTION_xen_create:
3926 if (!(xen_available())) {
3927 error_report("Option not supported for this target");
3930 xen_mode = XEN_CREATE;
3932 case QEMU_OPTION_xen_attach:
3933 if (!(xen_available())) {
3934 error_report("Option not supported for this target");
3937 xen_mode = XEN_ATTACH;
3939 case QEMU_OPTION_xen_domid_restrict:
3940 if (!(xen_available())) {
3941 error_report("Option not supported for this target");
3944 xen_domid_restrict = true;
3946 case QEMU_OPTION_trace:
3948 trace_file = trace_opt_parse(optarg);
3950 case QEMU_OPTION_readconfig:
3952 int ret = qemu_read_config_file(optarg);
3954 error_report("read config %s: %s", optarg,
3960 case QEMU_OPTION_spice:
3961 olist = qemu_find_opts("spice");
3963 error_report("spice support is disabled");
3966 opts = qemu_opts_parse_noisily(olist, optarg, false);
3972 case QEMU_OPTION_writeconfig:
3975 if (strcmp(optarg, "-") == 0) {
3978 fp = fopen(optarg, "w");
3980 error_report("open %s: %s", optarg,
3985 qemu_config_write(fp);
3991 case QEMU_OPTION_qtest:
3992 qtest_chrdev = optarg;
3994 case QEMU_OPTION_qtest_log:
3997 case QEMU_OPTION_sandbox:
3998 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4004 case QEMU_OPTION_add_fd:
4006 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4012 error_report("File descriptor passing is disabled on this "
4017 case QEMU_OPTION_object:
4018 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4024 case QEMU_OPTION_realtime:
4025 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4030 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4032 case QEMU_OPTION_msg:
4033 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4038 configure_msg(opts);
4040 case QEMU_OPTION_dump_vmstate:
4041 if (vmstate_dump_file) {
4042 error_report("only one '-dump-vmstate' "
4043 "option may be given");
4046 vmstate_dump_file = fopen(optarg, "w");
4047 if (vmstate_dump_file == NULL) {
4048 error_report("open %s: %s", optarg, strerror(errno));
4053 os_parse_cmd_args(popt->index, optarg);
4058 * Clear error location left behind by the loop.
4059 * Best done right after the loop. Do not insert code here!
4063 replay_configure(icount_opts);
4065 machine_class = select_machine();
4067 set_memory_options(&ram_slots, &maxram_size, machine_class);
4071 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4072 error_report("could not acquire pid file: %s", strerror(errno));
4076 if (qemu_init_main_loop(&main_loop_err)) {
4077 error_report_err(main_loop_err);
4081 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4082 parse_sandbox, NULL, NULL)) {
4086 if (qemu_opts_foreach(qemu_find_opts("name"),
4087 parse_name, NULL, NULL)) {
4092 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4093 parse_add_fd, NULL, NULL)) {
4097 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4098 cleanup_add_fd, NULL, NULL)) {
4103 current_machine = MACHINE(object_new(object_class_get_name(
4104 OBJECT_CLASS(machine_class))));
4105 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4108 object_property_add_child(object_get_root(), "machine",
4109 OBJECT(current_machine), &error_abort);
4111 if (machine_class->minimum_page_bits) {
4112 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4113 /* This would be a board error: specifying a minimum smaller than
4114 * a target's compile-time fixed setting.
4116 g_assert_not_reached();
4120 cpu_exec_init_all();
4122 if (machine_class->hw_version) {
4123 qemu_set_hw_version(machine_class->hw_version);
4126 if (cpu_model && is_help_option(cpu_model)) {
4127 list_cpus(stdout, &fprintf, cpu_model);
4131 if (!trace_init_backends()) {
4134 trace_init_file(trace_file);
4136 /* Open the logfile at this point and set the log mask if necessary.
4139 qemu_set_log_filename(log_file, &error_fatal);
4144 mask = qemu_str_to_log_mask(log_mask);
4146 qemu_print_log_usage(stdout);
4154 /* If no data_dir is specified then try to find it relative to the
4156 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4157 data_dir[data_dir_idx] = os_find_datadir();
4158 if (data_dir[data_dir_idx] != NULL) {
4162 /* If all else fails use the install path specified when building. */
4163 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4164 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4167 /* -L help lists the data directories and exits. */
4168 if (list_data_dirs) {
4169 for (i = 0; i < data_dir_idx; i++) {
4170 printf("%s\n", data_dir[i]);
4175 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4177 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4178 if (max_cpus > machine_class->max_cpus) {
4179 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4180 "supported by machine '%s' (%d)", max_cpus,
4181 machine_class->name, machine_class->max_cpus);
4186 * Get the default machine options from the machine if it is not already
4187 * specified either by the configuration file or by the command line.
4189 if (machine_class->default_machine_opts) {
4190 qemu_opts_set_defaults(qemu_find_opts("machine"),
4191 machine_class->default_machine_opts, 0);
4194 qemu_opts_foreach(qemu_find_opts("device"),
4195 default_driver_check, NULL, NULL);
4196 qemu_opts_foreach(qemu_find_opts("global"),
4197 default_driver_check, NULL, NULL);
4199 if (!vga_model && !default_vga) {
4200 vga_interface_type = VGA_DEVICE;
4202 if (!has_defaults || machine_class->no_serial) {
4205 if (!has_defaults || machine_class->no_parallel) {
4206 default_parallel = 0;
4208 if (!has_defaults || !machine_class->use_virtcon) {
4209 default_virtcon = 0;
4211 if (!has_defaults || !machine_class->use_sclp) {
4214 if (!has_defaults || machine_class->no_floppy) {
4217 if (!has_defaults || machine_class->no_cdrom) {
4220 if (!has_defaults || machine_class->no_sdcard) {
4223 if (!has_defaults) {
4224 default_monitor = 0;
4229 if (is_daemonized()) {
4230 /* According to documentation and historically, -nographic redirects
4231 * serial port, parallel port and monitor to stdio, which does not work
4232 * with -daemonize. We can redirect these to null instead, but since
4233 * -nographic is legacy, let's just error out.
4234 * We disallow -nographic only if all other ports are not redirected
4235 * explicitly, to not break existing legacy setups which uses
4236 * -nographic _and_ redirects all ports explicitly - this is valid
4237 * usage, -nographic is just a no-op in this case.
4240 && (default_parallel || default_serial
4241 || default_monitor || default_virtcon)) {
4242 error_report("-nographic cannot be used with -daemonize");
4245 #ifdef CONFIG_CURSES
4246 if (display_type == DT_CURSES) {
4247 error_report("curses display cannot be used with -daemonize");
4254 if (default_parallel)
4255 add_device_config(DEV_PARALLEL, "null");
4256 if (default_serial && default_monitor) {
4257 add_device_config(DEV_SERIAL, "mon:stdio");
4258 } else if (default_virtcon && default_monitor) {
4259 add_device_config(DEV_VIRTCON, "mon:stdio");
4260 } else if (default_sclp && default_monitor) {
4261 add_device_config(DEV_SCLP, "mon:stdio");
4264 add_device_config(DEV_SERIAL, "stdio");
4265 if (default_virtcon)
4266 add_device_config(DEV_VIRTCON, "stdio");
4268 add_device_config(DEV_SCLP, "stdio");
4270 if (default_monitor)
4271 monitor_parse("stdio", "readline", false);
4275 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4276 if (default_parallel)
4277 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4278 if (default_monitor)
4279 monitor_parse("vc:80Cx24C", "readline", false);
4280 if (default_virtcon)
4281 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4283 add_device_config(DEV_SCLP, "vc:80Cx24C");
4287 #if defined(CONFIG_VNC)
4288 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4292 if (display_type == DT_DEFAULT && !display_remote) {
4293 #if defined(CONFIG_GTK)
4294 display_type = DT_GTK;
4295 #elif defined(CONFIG_SDL)
4296 display_type = DT_SDL;
4297 #elif defined(CONFIG_COCOA)
4298 display_type = DT_COCOA;
4299 #elif defined(CONFIG_VNC)
4300 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4302 display_type = DT_NONE;
4306 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4307 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4308 "for SDL, ignoring option");
4310 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4311 error_report("-no-quit is only valid for GTK and SDL, "
4315 if (display_type == DT_GTK) {
4316 early_gtk_display_init(request_opengl);
4319 if (display_type == DT_SDL) {
4320 sdl_display_early_init(request_opengl);
4323 qemu_console_early_init();
4325 if (request_opengl == 1 && display_opengl == 0) {
4326 #if defined(CONFIG_OPENGL)
4327 error_report("OpenGL is not supported by the display");
4329 error_report("OpenGL support is disabled");
4337 if (qemu_opts_foreach(qemu_find_opts("object"),
4338 user_creatable_add_opts_foreach,
4339 object_create_initial, NULL)) {
4343 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4344 chardev_init_func, NULL, NULL)) {
4348 #ifdef CONFIG_VIRTFS
4349 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4350 fsdev_init_func, NULL, NULL)) {
4355 if (qemu_opts_foreach(qemu_find_opts("device"),
4356 device_help_func, NULL, NULL)) {
4360 machine_opts = qemu_get_machine_opts();
4361 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4363 object_unref(OBJECT(current_machine));
4367 configure_accelerator(current_machine);
4370 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4373 machine_opts = qemu_get_machine_opts();
4374 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4375 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4376 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4377 bios_name = qemu_opt_get(machine_opts, "firmware");
4379 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4381 boot_order = qemu_opt_get(opts, "order");
4383 validate_bootdevices(boot_order, &error_fatal);
4386 boot_once = qemu_opt_get(opts, "once");
4388 validate_bootdevices(boot_once, &error_fatal);
4391 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4392 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4396 boot_order = machine_class->default_boot_order;
4399 if (!kernel_cmdline) {
4400 kernel_cmdline = "";
4401 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4404 linux_boot = (kernel_filename != NULL);
4406 if (!linux_boot && *kernel_cmdline != '\0') {
4407 error_report("-append only allowed with -kernel option");
4411 if (!linux_boot && initrd_filename != NULL) {
4412 error_report("-initrd only allowed with -kernel option");
4416 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4417 /* fall back to the -kernel/-append */
4418 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4421 os_set_line_buffering();
4423 /* spice needs the timers to be initialized by this point */
4428 if (!tcg_enabled()) {
4429 error_report("-icount is not allowed with hardware virtualization");
4432 configure_icount(icount_opts, &error_abort);
4433 qemu_opts_del(icount_opts);
4436 qemu_tcg_configure(accel_opts, &error_fatal);
4439 QemuOptsList *net = qemu_find_opts("net");
4440 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4442 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4448 if (net_init_clients() < 0) {
4452 if (qemu_opts_foreach(qemu_find_opts("object"),
4453 user_creatable_add_opts_foreach,
4454 object_create_delayed, NULL)) {
4459 if (tpm_init() < 0) {
4464 /* init the bluetooth world */
4465 if (foreach_device_config(DEV_BT, bt_parse))
4468 if (!xen_enabled()) {
4469 /* On 32-bit hosts, QEMU is limited by virtual address space */
4470 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4471 error_report("at most 2047 MB RAM can be simulated");
4479 /* If the currently selected machine wishes to override the units-per-bus
4480 * property of its default HBA interface type, do so now. */
4481 if (machine_class->units_per_default_bus) {
4482 override_max_devs(machine_class->block_default_type,
4483 machine_class->units_per_default_bus);
4486 /* open the virtual block devices */
4487 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4488 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4490 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4491 loc_push_restore(&bdo->loc);
4492 qmp_blockdev_add(bdo->bdo, &error_fatal);
4494 qapi_free_BlockdevOptions(bdo->bdo);
4497 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4498 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4501 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4502 &machine_class->block_default_type, NULL)) {
4506 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4508 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4509 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4511 parse_numa_opts(machine_class);
4513 if (qemu_opts_foreach(qemu_find_opts("mon"),
4514 mon_init_func, NULL, NULL)) {
4518 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4520 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4522 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4524 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4527 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4530 /* If no default VGA is requested, the default is "none". */
4532 if (machine_class->default_display) {
4533 vga_model = machine_class->default_display;
4534 } else if (vga_interface_available(VGA_CIRRUS)) {
4535 vga_model = "cirrus";
4536 } else if (vga_interface_available(VGA_STD)) {
4541 select_vgahw(vga_model);
4545 i = select_watchdog(watchdog);
4547 exit (i == 1 ? 1 : 0);
4550 machine_register_compat_props(current_machine);
4552 qemu_opts_foreach(qemu_find_opts("global"),
4553 global_init_func, NULL, NULL);
4555 /* This checkpoint is required by replay to separate prior clock
4556 reading from the other reads, because timer polling functions query
4557 clock values from the log. */
4558 replay_checkpoint(CHECKPOINT_INIT);
4559 qdev_machine_init();
4561 current_machine->ram_size = ram_size;
4562 current_machine->maxram_size = maxram_size;
4563 current_machine->ram_slots = ram_slots;
4564 current_machine->boot_order = boot_order;
4565 current_machine->cpu_model = cpu_model;
4567 machine_class->init(current_machine);
4573 if (hax_enabled()) {
4577 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4578 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4582 /* init USB devices */
4583 if (machine_usb(current_machine)) {
4584 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4588 /* Check if IGD GFX passthrough. */
4591 /* init generic devices */
4592 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4593 if (qemu_opts_foreach(qemu_find_opts("device"),
4594 device_init_func, NULL, NULL)) {
4598 cpu_synchronize_all_post_init();
4600 numa_post_machine_init();
4602 rom_reset_order_override();
4605 * Create frontends for -drive if=scsi leftovers.
4606 * Normally, frontends for -drive get created by machine
4607 * initialization for onboard SCSI HBAs. However, we create a few
4608 * more ever since SCSI qdevification, but this is pretty much an
4609 * implementation accident, and deprecated.
4611 scsi_legacy_handle_cmdline();
4613 /* Did we create any drives that we failed to create a device for? */
4614 drive_check_orphaned();
4616 /* Don't warn about the default network setup that you get if
4617 * no command line -net or -netdev options are specified. There
4618 * are two cases that we would otherwise complain about:
4619 * (1) board doesn't support a NIC but the implicit "-net nic"
4621 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4622 * sets up a nic that isn't connected to anything.
4625 net_check_clients();
4630 qemu_boot_set(boot_once, &error_fatal);
4631 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4634 ds = init_displaystate();
4636 /* init local displays */
4637 switch (display_type) {
4639 curses_display_init(ds, full_screen);
4642 sdl_display_init(ds, full_screen, no_frame);
4645 cocoa_display_init(ds, full_screen);
4648 gtk_display_init(ds, full_screen, grab_on_hover);
4654 /* must be after terminal init, SDL library changes signal handlers */
4655 os_setup_signal_handling();
4657 /* init remote displays */
4659 qemu_opts_foreach(qemu_find_opts("vnc"),
4660 vnc_init_func, NULL, NULL);
4664 qemu_spice_display_init();
4667 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4671 qdev_machine_creation_done();
4673 /* TODO: once all bus devices are qdevified, this should be done
4674 * when bus is created by qdev.c */
4675 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4676 qemu_run_machine_init_done_notifiers();
4678 if (rom_check_and_register_reset() != 0) {
4679 error_report("rom check and register reset failed");
4685 /* This checkpoint is required by replay to separate prior clock
4686 reading from the other reads, because timer polling functions query
4687 clock values from the log. */
4688 replay_checkpoint(CHECKPOINT_RESET);
4689 qemu_system_reset(VMRESET_SILENT);
4690 register_global_state();
4691 if (replay_mode != REPLAY_MODE_NONE) {
4692 replay_vmstate_init();
4693 } else if (loadvm) {
4694 if (load_vmstate(loadvm) < 0) {
4699 qdev_prop_check_globals();
4700 if (vmstate_dump_file) {
4702 dump_vmstate_json_to_file(vmstate_dump_file);
4707 Error *local_err = NULL;
4708 qemu_start_incoming_migration(incoming, &local_err);
4710 error_reportf_err(local_err, "-incoming %s: ", incoming);
4713 } else if (autostart) {
4720 replay_disable_events();
4721 iothread_stop_all();
4727 /* vhost-user must be cleaned up before chardevs. */
4732 /* TODO: unref root container, check all devices are ok */