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 "hw/audio/soundhw.h"
93 #include "audio/audio.h"
94 #include "migration/migration.h"
95 #include "sysemu/cpus.h"
96 #include "migration/colo.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi/qobject-input-visitor.h"
101 #include "qapi-visit.h"
102 #include "qapi/qmp/qjson.h"
103 #include "qemu/option.h"
104 #include "qemu/config-file.h"
105 #include "qemu-options.h"
106 #include "qmp-commands.h"
107 #include "qemu/main-loop.h"
109 #include "fsdev/qemu-fsdev.h"
111 #include "sysemu/qtest.h"
113 #include "disas/disas.h"
116 #include "slirp/libslirp.h"
118 #include "trace-root.h"
119 #include "trace/control.h"
120 #include "qemu/queue.h"
121 #include "sysemu/arch_init.h"
123 #include "ui/qemu-spice.h"
124 #include "qapi/string-input-visitor.h"
125 #include "qapi/opts-visitor.h"
126 #include "qom/object_interfaces.h"
127 #include "qapi-event.h"
128 #include "exec/semihost.h"
129 #include "crypto/init.h"
130 #include "sysemu/replay.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
134 #define MAX_VIRTIO_CONSOLES 1
135 #define MAX_SCLP_CONSOLES 1
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141 int request_opengl = -1;
143 const char* keyboard_layout = NULL;
145 const char *mem_path = NULL;
146 int mem_prealloc = 0; /* force preallocation of physical target memory */
147 bool enable_mlock = false;
149 NICInfo nd_table[MAX_NICS];
151 static int rtc_utc = 1;
152 static int rtc_date_offset = -1; /* -1 means no change */
153 QEMUClockType rtc_clock;
154 int vga_interface_type = VGA_NONE;
155 static int full_screen = 0;
156 static int no_frame = 0;
158 static bool grab_on_hover;
159 Chardev *serial_hds[MAX_SERIAL_PORTS];
160 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
161 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
162 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
163 int win2k_install_hack = 0;
169 int acpi_enabled = 1;
172 static int no_reboot;
175 int graphic_rotate = 0;
176 const char *watchdog;
177 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
180 const char *qemu_name;
183 unsigned int nb_prom_envs = 0;
184 const char *prom_envs[MAX_PROM_ENVS];
187 uint8_t *boot_splash_filedata;
188 size_t boot_splash_filedata_size;
189 uint8_t qemu_extra_params_fw[2];
190 int only_migratable; /* turn it off unless user states otherwise */
192 int icount_align_option;
194 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
195 * little-endian "wire format" described in the SMBIOS 2.6 specification.
200 static NotifierList exit_notifiers =
201 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
203 static NotifierList machine_init_done_notifiers =
204 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208 enum xen_mode xen_mode = XEN_EMULATE;
209 bool xen_domid_restrict;
211 static int has_defaults = 1;
212 static int default_serial = 1;
213 static int default_parallel = 1;
214 static int default_virtcon = 1;
215 static int default_sclp = 1;
216 static int default_monitor = 1;
217 static int default_floppy = 1;
218 static int default_cdrom = 1;
219 static int default_sdcard = 1;
220 static int default_vga = 1;
221 static int default_net = 1;
227 { .driver = "isa-serial", .flag = &default_serial },
228 { .driver = "isa-parallel", .flag = &default_parallel },
229 { .driver = "isa-fdc", .flag = &default_floppy },
230 { .driver = "floppy", .flag = &default_floppy },
231 { .driver = "ide-cd", .flag = &default_cdrom },
232 { .driver = "ide-hd", .flag = &default_cdrom },
233 { .driver = "ide-drive", .flag = &default_cdrom },
234 { .driver = "scsi-cd", .flag = &default_cdrom },
235 { .driver = "scsi-hd", .flag = &default_cdrom },
236 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
237 { .driver = "virtio-serial", .flag = &default_virtcon },
238 { .driver = "VGA", .flag = &default_vga },
239 { .driver = "isa-vga", .flag = &default_vga },
240 { .driver = "cirrus-vga", .flag = &default_vga },
241 { .driver = "isa-cirrus-vga", .flag = &default_vga },
242 { .driver = "vmware-svga", .flag = &default_vga },
243 { .driver = "qxl-vga", .flag = &default_vga },
244 { .driver = "virtio-vga", .flag = &default_vga },
247 static QemuOptsList qemu_rtc_opts = {
249 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
253 .type = QEMU_OPT_STRING,
256 .type = QEMU_OPT_STRING,
259 .type = QEMU_OPT_STRING,
261 { /* end of list */ }
265 static QemuOptsList qemu_sandbox_opts = {
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
272 .type = QEMU_OPT_BOOL,
274 { /* end of list */ }
278 static QemuOptsList qemu_option_rom_opts = {
279 .name = "option-rom",
280 .implied_opt_name = "romfile",
281 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
285 .type = QEMU_OPT_NUMBER,
288 .type = QEMU_OPT_STRING,
290 { /* end of list */ }
294 static QemuOptsList qemu_machine_opts = {
296 .implied_opt_name = "type",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
301 * no elements => accept any
302 * sanity checking will happen later
303 * when setting machine properties
309 static QemuOptsList qemu_accel_opts = {
311 .implied_opt_name = "accel",
312 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
317 .type = QEMU_OPT_STRING,
318 .help = "Select the type of accelerator",
322 .type = QEMU_OPT_STRING,
323 .help = "Enable/disable multi-threaded TCG",
325 { /* end of list */ }
329 static QemuOptsList qemu_boot_opts = {
331 .implied_opt_name = "order",
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
337 .type = QEMU_OPT_STRING,
340 .type = QEMU_OPT_STRING,
343 .type = QEMU_OPT_BOOL,
346 .type = QEMU_OPT_STRING,
348 .name = "splash-time",
349 .type = QEMU_OPT_STRING,
351 .name = "reboot-timeout",
352 .type = QEMU_OPT_STRING,
355 .type = QEMU_OPT_BOOL,
361 static QemuOptsList qemu_add_fd_opts = {
363 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
367 .type = QEMU_OPT_NUMBER,
368 .help = "file descriptor of which a duplicate is added to fd set",
371 .type = QEMU_OPT_NUMBER,
372 .help = "ID of the fd set to add fd to",
375 .type = QEMU_OPT_STRING,
376 .help = "free-form string used to describe fd",
378 { /* end of list */ }
382 static QemuOptsList qemu_object_opts = {
384 .implied_opt_name = "qom-type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
391 static QemuOptsList qemu_tpmdev_opts = {
393 .implied_opt_name = "type",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
396 /* options are defined in the TPM backends */
397 { /* end of list */ }
401 static QemuOptsList qemu_realtime_opts = {
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
407 .type = QEMU_OPT_BOOL,
409 { /* end of list */ }
413 static QemuOptsList qemu_msg_opts = {
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
419 .type = QEMU_OPT_BOOL,
421 { /* end of list */ }
425 static QemuOptsList qemu_name_opts = {
427 .implied_opt_name = "guest",
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
433 .type = QEMU_OPT_STRING,
434 .help = "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the QEMU process, as shown in top etc",
442 .name = "debug-threads",
443 .type = QEMU_OPT_BOOL,
444 .help = "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
448 { /* End of list */ }
452 static QemuOptsList qemu_mem_opts = {
454 .implied_opt_name = "size",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
460 .type = QEMU_OPT_SIZE,
464 .type = QEMU_OPT_NUMBER,
468 .type = QEMU_OPT_SIZE,
470 { /* end of list */ }
474 static QemuOptsList qemu_icount_opts = {
476 .implied_opt_name = "shift",
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
482 .type = QEMU_OPT_STRING,
485 .type = QEMU_OPT_BOOL,
488 .type = QEMU_OPT_BOOL,
491 .type = QEMU_OPT_STRING,
494 .type = QEMU_OPT_STRING,
496 .name = "rrsnapshot",
497 .type = QEMU_OPT_STRING,
499 { /* end of list */ }
503 static QemuOptsList qemu_semihosting_config_opts = {
504 .name = "semihosting-config",
505 .implied_opt_name = "enable",
506 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
510 .type = QEMU_OPT_BOOL,
513 .type = QEMU_OPT_STRING,
516 .type = QEMU_OPT_STRING,
518 { /* end of list */ }
522 static QemuOptsList qemu_fw_cfg_opts = {
524 .implied_opt_name = "name",
525 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
529 .type = QEMU_OPT_STRING,
530 .help = "Sets the fw_cfg name of the blob to be inserted",
533 .type = QEMU_OPT_STRING,
534 .help = "Sets the name of the file from which\n"
535 "the fw_cfg blob will be loaded",
538 .type = QEMU_OPT_STRING,
539 .help = "Sets content of the blob to be inserted from a string",
541 { /* end of list */ }
546 * Get machine options
548 * Returns: machine options (never null).
550 QemuOpts *qemu_get_machine_opts(void)
552 return qemu_find_opts_singleton("machine");
555 const char *qemu_get_vm_name(void)
560 static void res_free(void)
562 g_free(boot_splash_filedata);
563 boot_splash_filedata = NULL;
566 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
568 const char *driver = qemu_opt_get(opts, "driver");
573 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
574 if (strcmp(default_list[i].driver, driver) != 0)
576 *(default_list[i].flag) = 0;
581 /***********************************************************/
584 static RunState current_run_state = RUN_STATE_PRELAUNCH;
586 /* We use RUN_STATE__MAX but any invalid value will do */
587 static RunState vmstop_requested = RUN_STATE__MAX;
588 static QemuMutex vmstop_lock;
593 } RunStateTransition;
595 static const RunStateTransition runstate_transitions_def[] = {
597 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
598 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
601 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
602 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
603 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
604 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
606 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
608 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
611 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
618 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
619 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
622 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
623 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
625 { RUN_STATE_PAUSED, RUN_STATE_COLO},
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
643 { RUN_STATE_COLO, RUN_STATE_RUNNING },
645 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
646 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
648 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
649 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
652 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
653 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
654 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
655 { RUN_STATE_RUNNING, RUN_STATE_COLO},
657 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
663 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
664 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
665 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
666 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
668 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
670 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
671 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
673 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
676 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
679 { RUN_STATE__MAX, RUN_STATE__MAX },
682 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
684 bool runstate_check(RunState state)
686 return current_run_state == state;
689 bool runstate_store(char *str, size_t size)
691 const char *state = RunState_lookup[current_run_state];
692 size_t len = strlen(state) + 1;
697 memcpy(str, state, len);
701 static void runstate_init(void)
703 const RunStateTransition *p;
705 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
706 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
707 runstate_valid_transitions[p->from][p->to] = true;
710 qemu_mutex_init(&vmstop_lock);
713 /* This function will abort() on invalid state transitions */
714 void runstate_set(RunState new_state)
716 assert(new_state < RUN_STATE__MAX);
718 if (current_run_state == new_state) {
722 if (!runstate_valid_transitions[current_run_state][new_state]) {
723 error_report("invalid runstate transition: '%s' -> '%s'",
724 RunState_lookup[current_run_state],
725 RunState_lookup[new_state]);
728 trace_runstate_set(new_state);
729 current_run_state = new_state;
732 int runstate_is_running(void)
734 return runstate_check(RUN_STATE_RUNNING);
737 bool runstate_needs_reset(void)
739 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
740 runstate_check(RUN_STATE_SHUTDOWN);
743 StatusInfo *qmp_query_status(Error **errp)
745 StatusInfo *info = g_malloc0(sizeof(*info));
747 info->running = runstate_is_running();
748 info->singlestep = singlestep;
749 info->status = current_run_state;
754 bool qemu_vmstop_requested(RunState *r)
756 qemu_mutex_lock(&vmstop_lock);
757 *r = vmstop_requested;
758 vmstop_requested = RUN_STATE__MAX;
759 qemu_mutex_unlock(&vmstop_lock);
760 return *r < RUN_STATE__MAX;
763 void qemu_system_vmstop_request_prepare(void)
765 qemu_mutex_lock(&vmstop_lock);
768 void qemu_system_vmstop_request(RunState state)
770 vmstop_requested = state;
771 qemu_mutex_unlock(&vmstop_lock);
775 /***********************************************************/
776 /* real time host monotonic timer */
778 static time_t qemu_time(void)
780 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
787 time_t ti = qemu_time();
790 if (rtc_date_offset == -1) {
794 localtime_r(&ti, tm);
796 ti -= rtc_date_offset;
801 int qemu_timedate_diff(struct tm *tm)
805 if (rtc_date_offset == -1)
807 seconds = mktimegm(tm);
810 tmp.tm_isdst = -1; /* use timezone to figure it out */
811 seconds = mktime(&tmp);
814 seconds = mktimegm(tm) + rtc_date_offset;
816 return seconds - qemu_time();
819 static void configure_rtc_date_offset(const char *startdate, int legacy)
821 time_t rtc_start_date;
824 if (!strcmp(startdate, "now") && legacy) {
825 rtc_date_offset = -1;
827 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
835 } else if (sscanf(startdate, "%d-%d-%d",
847 rtc_start_date = mktimegm(&tm);
848 if (rtc_start_date == -1) {
850 error_report("invalid date format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
855 rtc_date_offset = qemu_time() - rtc_start_date;
859 static void configure_rtc(QemuOpts *opts)
863 value = qemu_opt_get(opts, "base");
865 if (!strcmp(value, "utc")) {
867 } else if (!strcmp(value, "localtime")) {
868 Error *blocker = NULL;
870 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
871 "-rtc base=localtime");
872 replay_add_blocker(blocker);
874 configure_rtc_date_offset(value, 0);
877 value = qemu_opt_get(opts, "clock");
879 if (!strcmp(value, "host")) {
880 rtc_clock = QEMU_CLOCK_HOST;
881 } else if (!strcmp(value, "rt")) {
882 rtc_clock = QEMU_CLOCK_REALTIME;
883 } else if (!strcmp(value, "vm")) {
884 rtc_clock = QEMU_CLOCK_VIRTUAL;
886 error_report("invalid option value '%s'", value);
890 value = qemu_opt_get(opts, "driftfix");
892 if (!strcmp(value, "slew")) {
893 static GlobalProperty slew_lost_ticks = {
894 .driver = "mc146818rtc",
895 .property = "lost_tick_policy",
899 qdev_prop_register_global(&slew_lost_ticks);
900 } else if (!strcmp(value, "none")) {
901 /* discard is default */
903 error_report("invalid option value '%s'", value);
909 /***********************************************************/
910 /* Bluetooth support */
913 static struct HCIInfo *hci_table[MAX_NICS];
915 struct HCIInfo *qemu_next_hci(void)
917 if (cur_hci == nb_hcis)
920 return hci_table[cur_hci++];
923 static int bt_hci_parse(const char *str)
928 if (nb_hcis >= MAX_NICS) {
929 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
942 bdaddr.b[5] = 0x56 + nb_hcis;
943 hci->bdaddr_set(hci, bdaddr.b);
945 hci_table[nb_hcis++] = hci;
950 static void bt_vhci_add(int vlan_id)
952 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
955 error_report("warning: adding a VHCI to an empty scatternet %i",
958 bt_vhci_init(bt_new_hci(vlan));
961 static struct bt_device_s *bt_device_add(const char *opt)
963 struct bt_scatternet_s *vlan;
965 char *endp = strstr(opt, ",vlan=");
966 int len = (endp ? endp - opt : strlen(opt)) + 1;
969 pstrcpy(devname, MIN(sizeof(devname), len), opt);
972 vlan_id = strtol(endp + 6, &endp, 0);
974 error_report("unrecognised bluetooth vlan Id");
979 vlan = qemu_find_bt_vlan(vlan_id);
982 error_report("warning: adding a slave device to an empty scatternet %i",
985 if (!strcmp(devname, "keyboard"))
986 return bt_keyboard_init(vlan);
988 error_report("unsupported bluetooth device '%s'", devname);
992 static int bt_parse(const char *opt)
994 const char *endp, *p;
997 if (strstart(opt, "hci", &endp)) {
998 if (!*endp || *endp == ',') {
1000 if (!strstart(endp, ",vlan=", 0))
1003 return bt_hci_parse(opt);
1005 } else if (strstart(opt, "vhci", &endp)) {
1006 if (!*endp || *endp == ',') {
1008 if (strstart(endp, ",vlan=", &p)) {
1009 vlan = strtol(p, (char **) &endp, 0);
1011 error_report("bad scatternet '%s'", p);
1015 error_report("bad parameter '%s'", endp + 1);
1024 } else if (strstart(opt, "device:", &endp))
1025 return !bt_device_add(endp);
1027 error_report("bad bluetooth parameter '%s'", opt);
1031 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1033 /* FIXME: change this to true for 1.3 */
1034 if (qemu_opt_get_bool(opts, "enable", false)) {
1035 #ifdef CONFIG_SECCOMP
1036 if (seccomp_start() < 0) {
1037 error_report("failed to install seccomp syscall filter "
1042 error_report("seccomp support is disabled");
1050 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1052 const char *proc_name;
1054 if (qemu_opt_get(opts, "debug-threads")) {
1055 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1057 qemu_name = qemu_opt_get(opts, "guest");
1059 proc_name = qemu_opt_get(opts, "process");
1061 os_set_proc_name(proc_name);
1067 bool defaults_enabled(void)
1069 return has_defaults;
1073 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1075 int fd, dupfd, flags;
1077 const char *fd_opaque = NULL;
1080 fd = qemu_opt_get_number(opts, "fd", -1);
1081 fdset_id = qemu_opt_get_number(opts, "set", -1);
1082 fd_opaque = qemu_opt_get(opts, "opaque");
1085 error_report("fd option is required and must be non-negative");
1089 if (fd <= STDERR_FILENO) {
1090 error_report("fd cannot be a standard I/O stream");
1095 * All fds inherited across exec() necessarily have FD_CLOEXEC
1096 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1098 flags = fcntl(fd, F_GETFD);
1099 if (flags == -1 || (flags & FD_CLOEXEC)) {
1100 error_report("fd is not valid or already in use");
1105 error_report("set option is required and must be non-negative");
1109 #ifdef F_DUPFD_CLOEXEC
1110 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1114 qemu_set_cloexec(dupfd);
1118 error_report("error duplicating fd: %s", strerror(errno));
1122 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1123 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1130 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1134 fd = qemu_opt_get_number(opts, "fd", -1);
1141 /***********************************************************/
1142 /* QEMU Block devices */
1144 #define HD_OPTS "media=disk"
1145 #define CDROM_OPTS "media=cdrom"
1147 #define PFLASH_OPTS ""
1151 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1153 BlockInterfaceType *block_default_type = opaque;
1155 return drive_new(opts, *block_default_type) == NULL;
1158 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1160 if (qemu_opt_get(opts, "snapshot") == NULL) {
1161 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1166 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1167 int index, const char *optstr)
1172 if (!enable || drive_get_by_index(type, index)) {
1176 opts = drive_add(type, index, NULL, optstr);
1178 drive_enable_snapshot(NULL, opts, NULL);
1181 dinfo = drive_new(opts, type);
1185 dinfo->is_default = true;
1189 static QemuOptsList qemu_smp_opts = {
1191 .implied_opt_name = "cpus",
1192 .merge_lists = true,
1193 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1197 .type = QEMU_OPT_NUMBER,
1200 .type = QEMU_OPT_NUMBER,
1203 .type = QEMU_OPT_NUMBER,
1206 .type = QEMU_OPT_NUMBER,
1209 .type = QEMU_OPT_NUMBER,
1211 { /*End of list */ }
1215 static void smp_parse(QemuOpts *opts)
1218 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1219 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1220 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1221 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1223 /* compute missing values, prefer sockets over cores over threads */
1224 if (cpus == 0 || sockets == 0) {
1225 sockets = sockets > 0 ? sockets : 1;
1226 cores = cores > 0 ? cores : 1;
1227 threads = threads > 0 ? threads : 1;
1229 cpus = cores * threads * sockets;
1231 } else if (cores == 0) {
1232 threads = threads > 0 ? threads : 1;
1233 cores = cpus / (sockets * threads);
1234 cores = cores > 0 ? cores : 1;
1235 } else if (threads == 0) {
1236 threads = cpus / (cores * sockets);
1237 threads = threads > 0 ? threads : 1;
1238 } else if (sockets * cores * threads < cpus) {
1239 error_report("cpu topology: "
1240 "sockets (%u) * cores (%u) * threads (%u) < "
1242 sockets, cores, threads, cpus);
1246 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1248 if (max_cpus < cpus) {
1249 error_report("maxcpus must be equal to or greater than smp");
1253 if (sockets * cores * threads > max_cpus) {
1254 error_report("cpu topology: "
1255 "sockets (%u) * cores (%u) * threads (%u) > "
1257 sockets, cores, threads, max_cpus);
1263 smp_threads = threads;
1267 Error *blocker = NULL;
1268 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1269 replay_add_blocker(blocker);
1273 static void realtime_init(void)
1276 if (os_mlock() < 0) {
1277 error_report("locking memory failed");
1284 static void configure_msg(QemuOpts *opts)
1286 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1289 /***********************************************************/
1292 typedef struct SemihostingConfig {
1294 SemihostingTarget target;
1297 const char *cmdline; /* concatenated argv */
1298 } SemihostingConfig;
1300 static SemihostingConfig semihosting;
1302 bool semihosting_enabled(void)
1304 return semihosting.enabled;
1307 SemihostingTarget semihosting_get_target(void)
1309 return semihosting.target;
1312 const char *semihosting_get_arg(int i)
1314 if (i >= semihosting.argc) {
1317 return semihosting.argv[i];
1320 int semihosting_get_argc(void)
1322 return semihosting.argc;
1325 const char *semihosting_get_cmdline(void)
1327 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1328 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1330 return semihosting.cmdline;
1333 static int add_semihosting_arg(void *opaque,
1334 const char *name, const char *val,
1337 SemihostingConfig *s = opaque;
1338 if (strcmp(name, "arg") == 0) {
1340 /* one extra element as g_strjoinv() expects NULL-terminated array */
1341 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1342 s->argv[s->argc - 1] = val;
1343 s->argv[s->argc] = NULL;
1348 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1349 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1354 add_semihosting_arg(&semihosting, "arg", file, NULL);
1356 /* split -append and initialize argv[1..n] */
1357 cmd_token = strtok(g_strdup(cmd), " ");
1359 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1360 cmd_token = strtok(NULL, " ");
1364 /* Now we still need this for compatibility with XEN. */
1365 bool has_igd_gfx_passthru;
1366 static void igd_gfx_passthru(void)
1368 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1371 /***********************************************************/
1374 static int usb_device_add(const char *devname)
1376 USBDevice *dev = NULL;
1377 #ifndef CONFIG_LINUX
1381 if (!machine_usb(current_machine)) {
1385 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1386 dev = usbdevice_create(devname);
1390 /* the other ones */
1391 #ifndef CONFIG_LINUX
1392 /* only the linux version is qdev-ified, usb-bsd still needs this */
1393 if (strstart(devname, "host:", &p)) {
1394 dev = usb_host_device_open(usb_bus_find(-1), p);
1404 static int usb_device_del(const char *devname)
1409 if (strstart(devname, "host:", &p)) {
1413 if (!machine_usb(current_machine)) {
1417 p = strchr(devname, '.');
1420 bus_num = strtoul(devname, NULL, 0);
1421 addr = strtoul(p + 1, NULL, 0);
1423 return usb_device_delete_addr(bus_num, addr);
1426 static int usb_parse(const char *cmdline)
1429 r = usb_device_add(cmdline);
1431 error_report("could not add USB device '%s'", cmdline);
1436 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1438 const char *devname = qdict_get_str(qdict, "devname");
1439 if (usb_device_add(devname) < 0) {
1440 error_report("could not add USB device '%s'", devname);
1444 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1446 const char *devname = qdict_get_str(qdict, "devname");
1447 if (usb_device_del(devname) < 0) {
1448 error_report("could not delete USB device '%s'", devname);
1452 /***********************************************************/
1453 /* machine registration */
1455 MachineState *current_machine;
1457 static MachineClass *find_machine(const char *name)
1459 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1460 MachineClass *mc = NULL;
1462 for (el = machines; el; el = el->next) {
1463 MachineClass *temp = el->data;
1465 if (!strcmp(temp->name, name)) {
1470 !strcmp(temp->alias, name)) {
1476 g_slist_free(machines);
1480 MachineClass *find_default_machine(void)
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineClass *mc = NULL;
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *temp = el->data;
1488 if (temp->is_default) {
1494 g_slist_free(machines);
1498 MachineInfoList *qmp_query_machines(Error **errp)
1500 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1501 MachineInfoList *mach_list = NULL;
1503 for (el = machines; el; el = el->next) {
1504 MachineClass *mc = el->data;
1505 MachineInfoList *entry;
1508 info = g_malloc0(sizeof(*info));
1509 if (mc->is_default) {
1510 info->has_is_default = true;
1511 info->is_default = true;
1515 info->has_alias = true;
1516 info->alias = g_strdup(mc->alias);
1519 info->name = g_strdup(mc->name);
1520 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1521 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1523 entry = g_malloc0(sizeof(*entry));
1524 entry->value = info;
1525 entry->next = mach_list;
1529 g_slist_free(machines);
1533 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1535 ObjectProperty *prop;
1536 ObjectPropertyIterator iter;
1538 if (!qemu_opt_has_help_opt(opts)) {
1542 object_property_iter_init(&iter, OBJECT(machine));
1543 while ((prop = object_property_iter_next(&iter))) {
1548 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1549 prop->name, prop->type);
1550 if (prop->description) {
1551 error_printf(" (%s)\n", prop->description);
1560 /***********************************************************/
1561 /* main execution loop */
1563 struct vm_change_state_entry {
1564 VMChangeStateHandler *cb;
1566 QLIST_ENTRY (vm_change_state_entry) entries;
1569 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1571 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1574 VMChangeStateEntry *e;
1576 e = g_malloc0(sizeof (*e));
1580 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1584 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1586 QLIST_REMOVE (e, entries);
1590 void vm_state_notify(int running, RunState state)
1592 VMChangeStateEntry *e, *next;
1594 trace_vm_state_notify(running, state);
1596 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1597 e->cb(e->opaque, running, state);
1601 static int reset_requested;
1602 static int shutdown_requested, shutdown_signal = -1;
1603 static pid_t shutdown_pid;
1604 static int powerdown_requested;
1605 static int debug_requested;
1606 static int suspend_requested;
1607 static WakeupReason wakeup_reason;
1608 static NotifierList powerdown_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1610 static NotifierList suspend_notifiers =
1611 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1612 static NotifierList wakeup_notifiers =
1613 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1614 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1616 int qemu_shutdown_requested_get(void)
1618 return shutdown_requested;
1621 int qemu_reset_requested_get(void)
1623 return reset_requested;
1626 static int qemu_shutdown_requested(void)
1628 return atomic_xchg(&shutdown_requested, 0);
1631 static void qemu_kill_report(void)
1633 if (!qtest_driver() && shutdown_signal != -1) {
1634 if (shutdown_pid == 0) {
1635 /* This happens for eg ^C at the terminal, so it's worth
1636 * avoiding printing an odd message in that case.
1638 error_report("terminating on signal %d", shutdown_signal);
1640 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1642 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1643 shutdown_signal, shutdown_pid,
1644 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1645 g_free(shutdown_cmd);
1647 shutdown_signal = -1;
1651 static int qemu_reset_requested(void)
1653 int r = reset_requested;
1654 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1655 reset_requested = 0;
1661 static int qemu_suspend_requested(void)
1663 int r = suspend_requested;
1664 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1665 suspend_requested = 0;
1671 static WakeupReason qemu_wakeup_requested(void)
1673 return wakeup_reason;
1676 static int qemu_powerdown_requested(void)
1678 int r = powerdown_requested;
1679 powerdown_requested = 0;
1683 static int qemu_debug_requested(void)
1685 int r = debug_requested;
1686 debug_requested = 0;
1690 void qemu_system_reset(bool report)
1694 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1696 cpu_synchronize_all_states();
1698 if (mc && mc->reset) {
1701 qemu_devices_reset();
1704 qapi_event_send_reset(&error_abort);
1706 cpu_synchronize_all_post_reset();
1709 void qemu_system_guest_panicked(GuestPanicInformation *info)
1711 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1714 current_cpu->crash_occurred = true;
1716 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1717 !!info, info, &error_abort);
1718 vm_stop(RUN_STATE_GUEST_PANICKED);
1720 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1721 !!info, info, &error_abort);
1722 qemu_system_shutdown_request();
1726 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1727 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1728 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1729 info->u.hyper_v.arg1,
1730 info->u.hyper_v.arg2,
1731 info->u.hyper_v.arg3,
1732 info->u.hyper_v.arg4,
1733 info->u.hyper_v.arg5);
1735 qapi_free_GuestPanicInformation(info);
1739 void qemu_system_reset_request(void)
1742 shutdown_requested = 1;
1744 reset_requested = 1;
1747 qemu_notify_event();
1750 static void qemu_system_suspend(void)
1753 notifier_list_notify(&suspend_notifiers, NULL);
1754 runstate_set(RUN_STATE_SUSPENDED);
1755 qapi_event_send_suspend(&error_abort);
1758 void qemu_system_suspend_request(void)
1760 if (runstate_check(RUN_STATE_SUSPENDED)) {
1763 suspend_requested = 1;
1765 qemu_notify_event();
1768 void qemu_register_suspend_notifier(Notifier *notifier)
1770 notifier_list_add(&suspend_notifiers, notifier);
1773 void qemu_system_wakeup_request(WakeupReason reason)
1775 trace_system_wakeup_request(reason);
1777 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1780 if (!(wakeup_reason_mask & (1 << reason))) {
1783 runstate_set(RUN_STATE_RUNNING);
1784 wakeup_reason = reason;
1785 qemu_notify_event();
1788 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1791 wakeup_reason_mask |= (1 << reason);
1793 wakeup_reason_mask &= ~(1 << reason);
1797 void qemu_register_wakeup_notifier(Notifier *notifier)
1799 notifier_list_add(&wakeup_notifiers, notifier);
1802 void qemu_system_killed(int signal, pid_t pid)
1804 shutdown_signal = signal;
1808 /* Cannot call qemu_system_shutdown_request directly because
1809 * we are in a signal handler.
1811 shutdown_requested = 1;
1812 qemu_notify_event();
1815 void qemu_system_shutdown_request(void)
1817 trace_qemu_system_shutdown_request();
1818 replay_shutdown_request();
1819 shutdown_requested = 1;
1820 qemu_notify_event();
1823 static void qemu_system_powerdown(void)
1825 qapi_event_send_powerdown(&error_abort);
1826 notifier_list_notify(&powerdown_notifiers, NULL);
1829 void qemu_system_powerdown_request(void)
1831 trace_qemu_system_powerdown_request();
1832 powerdown_requested = 1;
1833 qemu_notify_event();
1836 void qemu_register_powerdown_notifier(Notifier *notifier)
1838 notifier_list_add(&powerdown_notifiers, notifier);
1841 void qemu_system_debug_request(void)
1843 debug_requested = 1;
1844 qemu_notify_event();
1847 static bool main_loop_should_exit(void)
1850 if (qemu_debug_requested()) {
1851 vm_stop(RUN_STATE_DEBUG);
1853 if (qemu_suspend_requested()) {
1854 qemu_system_suspend();
1856 if (qemu_shutdown_requested()) {
1858 qapi_event_send_shutdown(&error_abort);
1860 vm_stop(RUN_STATE_SHUTDOWN);
1865 if (qemu_reset_requested()) {
1867 qemu_system_reset(VMRESET_REPORT);
1869 if (!runstate_check(RUN_STATE_RUNNING) &&
1870 !runstate_check(RUN_STATE_INMIGRATE)) {
1871 runstate_set(RUN_STATE_PRELAUNCH);
1874 if (qemu_wakeup_requested()) {
1876 qemu_system_reset(VMRESET_SILENT);
1877 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1878 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1880 qapi_event_send_wakeup(&error_abort);
1882 if (qemu_powerdown_requested()) {
1883 qemu_system_powerdown();
1885 if (qemu_vmstop_requested(&r)) {
1891 static void main_loop(void)
1893 #ifdef CONFIG_PROFILER
1897 #ifdef CONFIG_PROFILER
1898 ti = profile_getclock();
1900 main_loop_wait(false);
1901 #ifdef CONFIG_PROFILER
1902 dev_time += profile_getclock() - ti;
1904 } while (!main_loop_should_exit());
1907 static void version(void)
1909 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1910 QEMU_COPYRIGHT "\n");
1913 static void help(int exitcode)
1916 printf("usage: %s [options] [disk_image]\n\n"
1917 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1918 error_get_progname());
1920 #define QEMU_OPTIONS_GENERATE_HELP
1921 #include "qemu-options-wrapper.h"
1923 printf("\nDuring emulation, the following keys are useful:\n"
1924 "ctrl-alt-f toggle full screen\n"
1925 "ctrl-alt-n switch to virtual console 'n'\n"
1926 "ctrl-alt toggle mouse and keyboard grab\n"
1928 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1933 #define HAS_ARG 0x0001
1935 typedef struct QEMUOption {
1942 static const QEMUOption qemu_options[] = {
1943 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1944 #define QEMU_OPTIONS_GENERATE_OPTIONS
1945 #include "qemu-options-wrapper.h"
1949 typedef struct VGAInterfaceInfo {
1950 const char *opt_name; /* option name */
1951 const char *name; /* human-readable name */
1952 /* Class names indicating that support is available.
1953 * If no class is specified, the interface is always available */
1954 const char *class_names[2];
1957 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1963 .name = "standard VGA",
1964 .class_names = { "VGA", "isa-vga" },
1967 .opt_name = "cirrus",
1968 .name = "Cirrus VGA",
1969 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1972 .opt_name = "vmware",
1973 .name = "VMWare SVGA",
1974 .class_names = { "vmware-svga" },
1977 .opt_name = "virtio",
1978 .name = "Virtio VGA",
1979 .class_names = { "virtio-vga" },
1984 .class_names = { "qxl-vga" },
1988 .name = "TCX framebuffer",
1989 .class_names = { "SUNW,tcx" },
1993 .name = "CG3 framebuffer",
1994 .class_names = { "cgthree" },
1997 .opt_name = "xenfb",
2001 static bool vga_interface_available(VGAInterfaceType t)
2003 VGAInterfaceInfo *ti = &vga_interfaces[t];
2005 assert(t < VGA_TYPE_MAX);
2006 return !ti->class_names[0] ||
2007 object_class_by_name(ti->class_names[0]) ||
2008 object_class_by_name(ti->class_names[1]);
2011 static void select_vgahw(const char *p)
2016 assert(vga_interface_type == VGA_NONE);
2017 for (t = 0; t < VGA_TYPE_MAX; t++) {
2018 VGAInterfaceInfo *ti = &vga_interfaces[t];
2019 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2020 if (!vga_interface_available(t)) {
2021 error_report("%s not available", ti->name);
2024 vga_interface_type = t;
2028 if (t == VGA_TYPE_MAX) {
2030 error_report("unknown vga type: %s", p);
2034 const char *nextopt;
2036 if (strstart(opts, ",retrace=", &nextopt)) {
2038 if (strstart(opts, "dumb", &nextopt))
2039 vga_retrace_method = VGA_RETRACE_DUMB;
2040 else if (strstart(opts, "precise", &nextopt))
2041 vga_retrace_method = VGA_RETRACE_PRECISE;
2042 else goto invalid_vga;
2043 } else goto invalid_vga;
2048 typedef enum DisplayType {
2058 static DisplayType select_display(const char *p)
2061 DisplayType display = DT_DEFAULT;
2063 if (strstart(p, "sdl", &opts)) {
2067 const char *nextopt;
2069 if (strstart(opts, ",frame=", &nextopt)) {
2071 if (strstart(opts, "on", &nextopt)) {
2073 } else if (strstart(opts, "off", &nextopt)) {
2076 goto invalid_sdl_args;
2078 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2080 if (strstart(opts, "on", &nextopt)) {
2082 } else if (strstart(opts, "off", &nextopt)) {
2085 goto invalid_sdl_args;
2087 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2089 if (strstart(opts, "on", &nextopt)) {
2091 } else if (strstart(opts, "off", &nextopt)) {
2094 goto invalid_sdl_args;
2096 } else if (strstart(opts, ",window_close=", &nextopt)) {
2098 if (strstart(opts, "on", &nextopt)) {
2100 } else if (strstart(opts, "off", &nextopt)) {
2103 goto invalid_sdl_args;
2105 } else if (strstart(opts, ",gl=", &nextopt)) {
2107 if (strstart(opts, "on", &nextopt)) {
2109 } else if (strstart(opts, "off", &nextopt)) {
2112 goto invalid_sdl_args;
2116 error_report("invalid SDL option string");
2122 error_report("SDL support is disabled");
2125 } else if (strstart(p, "vnc", &opts)) {
2127 vnc_parse(opts + 1, &error_fatal);
2129 error_report("VNC requires a display argument vnc=<display>");
2132 } else if (strstart(p, "egl-headless", &opts)) {
2133 #ifdef CONFIG_OPENGL_DMABUF
2138 fprintf(stderr, "egl support is disabled\n");
2141 } else if (strstart(p, "curses", &opts)) {
2142 #ifdef CONFIG_CURSES
2143 display = DT_CURSES;
2145 error_report("curses support is disabled");
2148 } else if (strstart(p, "gtk", &opts)) {
2152 const char *nextopt;
2154 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2156 if (strstart(opts, "on", &nextopt)) {
2157 grab_on_hover = true;
2158 } else if (strstart(opts, "off", &nextopt)) {
2159 grab_on_hover = false;
2161 goto invalid_gtk_args;
2163 } else if (strstart(opts, ",gl=", &nextopt)) {
2165 if (strstart(opts, "on", &nextopt)) {
2167 } else if (strstart(opts, "off", &nextopt)) {
2170 goto invalid_gtk_args;
2174 error_report("invalid GTK option string");
2180 error_report("GTK support is disabled");
2183 } else if (strstart(p, "none", &opts)) {
2186 error_report("unknown display type");
2193 static int balloon_parse(const char *arg)
2197 if (strcmp(arg, "none") == 0) {
2201 if (!strncmp(arg, "virtio", 6)) {
2202 if (arg[6] == ',') {
2203 /* have params -> parse them */
2204 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2209 /* create empty opts */
2210 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2213 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2220 char *qemu_find_file(int type, const char *name)
2226 /* Try the name as a straight path first */
2227 if (access(name, R_OK) == 0) {
2228 trace_load_file(name, name);
2229 return g_strdup(name);
2233 case QEMU_FILE_TYPE_BIOS:
2236 case QEMU_FILE_TYPE_KEYMAP:
2237 subdir = "keymaps/";
2243 for (i = 0; i < data_dir_idx; i++) {
2244 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2245 if (access(buf, R_OK) == 0) {
2246 trace_load_file(name, buf);
2254 static inline bool nonempty_str(const char *str)
2259 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2263 const char *name, *file, *str;
2264 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2266 if (fw_cfg == NULL) {
2267 error_report("fw_cfg device not available");
2270 name = qemu_opt_get(opts, "name");
2271 file = qemu_opt_get(opts, "file");
2272 str = qemu_opt_get(opts, "string");
2274 /* we need name and either a file or the content string */
2275 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2276 error_report("invalid argument(s)");
2279 if (nonempty_str(file) && nonempty_str(str)) {
2280 error_report("file and string are mutually exclusive");
2283 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2284 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2287 if (strncmp(name, "opt/", 4) != 0) {
2288 error_report("warning: externally provided fw_cfg item names "
2289 "should be prefixed with \"opt/\"");
2291 if (nonempty_str(str)) {
2292 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2293 buf = g_memdup(str, size);
2295 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2296 error_report("can't load %s", file);
2300 /* For legacy, keep user files in a specific global order. */
2301 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2302 fw_cfg_add_file(fw_cfg, name, buf, size);
2303 fw_cfg_reset_order_override(fw_cfg);
2307 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2309 return qdev_device_help(opts);
2312 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2317 dev = qdev_device_add(opts, &err);
2319 error_report_err(err);
2322 object_unref(OBJECT(dev));
2326 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2328 Error *local_err = NULL;
2330 qemu_chr_new_from_opts(opts, &local_err);
2332 error_report_err(local_err);
2338 #ifdef CONFIG_VIRTFS
2339 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2341 return qemu_fsdev_add(opts);
2345 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2348 const char *chardev;
2352 mode = qemu_opt_get(opts, "mode");
2356 if (strcmp(mode, "readline") == 0) {
2357 flags = MONITOR_USE_READLINE;
2358 } else if (strcmp(mode, "control") == 0) {
2359 flags = MONITOR_USE_CONTROL;
2361 error_report("unknown monitor mode \"%s\"", mode);
2365 if (qemu_opt_get_bool(opts, "pretty", 0))
2366 flags |= MONITOR_USE_PRETTY;
2368 if (qemu_opt_get_bool(opts, "default", 0)) {
2369 error_report("option 'default' does nothing and is deprecated");
2372 chardev = qemu_opt_get(opts, "chardev");
2373 chr = qemu_chr_find(chardev);
2375 error_report("chardev \"%s\" not found", chardev);
2379 monitor_init(chr, flags);
2383 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2385 static int monitor_device_index = 0;
2390 if (strstart(optarg, "chardev:", &p)) {
2391 snprintf(label, sizeof(label), "%s", p);
2393 snprintf(label, sizeof(label), "compat_monitor%d",
2394 monitor_device_index);
2395 opts = qemu_chr_parse_compat(label, optarg);
2397 error_report("parse error: %s", optarg);
2402 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2403 qemu_opt_set(opts, "mode", mode, &error_abort);
2404 qemu_opt_set(opts, "chardev", label, &error_abort);
2405 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2406 monitor_device_index++;
2409 struct device_config {
2411 DEV_USB, /* -usbdevice */
2413 DEV_SERIAL, /* -serial */
2414 DEV_PARALLEL, /* -parallel */
2415 DEV_VIRTCON, /* -virtioconsole */
2416 DEV_DEBUGCON, /* -debugcon */
2417 DEV_GDB, /* -gdb, -s */
2418 DEV_SCLP, /* s390 sclp */
2420 const char *cmdline;
2422 QTAILQ_ENTRY(device_config) next;
2425 static QTAILQ_HEAD(, device_config) device_configs =
2426 QTAILQ_HEAD_INITIALIZER(device_configs);
2428 static void add_device_config(int type, const char *cmdline)
2430 struct device_config *conf;
2432 conf = g_malloc0(sizeof(*conf));
2434 conf->cmdline = cmdline;
2435 loc_save(&conf->loc);
2436 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2439 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2441 struct device_config *conf;
2444 QTAILQ_FOREACH(conf, &device_configs, next) {
2445 if (conf->type != type)
2447 loc_push_restore(&conf->loc);
2448 rc = func(conf->cmdline);
2449 loc_pop(&conf->loc);
2457 static int serial_parse(const char *devname)
2459 static int index = 0;
2462 if (strcmp(devname, "none") == 0)
2464 if (index == MAX_SERIAL_PORTS) {
2465 error_report("too many serial ports");
2468 snprintf(label, sizeof(label), "serial%d", index);
2469 serial_hds[index] = qemu_chr_new(label, devname);
2470 if (!serial_hds[index]) {
2471 error_report("could not connect serial device"
2472 " to character backend '%s'", devname);
2479 static int parallel_parse(const char *devname)
2481 static int index = 0;
2484 if (strcmp(devname, "none") == 0)
2486 if (index == MAX_PARALLEL_PORTS) {
2487 error_report("too many parallel ports");
2490 snprintf(label, sizeof(label), "parallel%d", index);
2491 parallel_hds[index] = qemu_chr_new(label, devname);
2492 if (!parallel_hds[index]) {
2493 error_report("could not connect parallel device"
2494 " to character backend '%s'", devname);
2501 static int virtcon_parse(const char *devname)
2503 QemuOptsList *device = qemu_find_opts("device");
2504 static int index = 0;
2506 QemuOpts *bus_opts, *dev_opts;
2508 if (strcmp(devname, "none") == 0)
2510 if (index == MAX_VIRTIO_CONSOLES) {
2511 error_report("too many virtio consoles");
2515 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2516 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2518 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2519 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2521 snprintf(label, sizeof(label), "virtcon%d", index);
2522 virtcon_hds[index] = qemu_chr_new(label, devname);
2523 if (!virtcon_hds[index]) {
2524 error_report("could not connect virtio console"
2525 " to character backend '%s'", devname);
2528 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2534 static int sclp_parse(const char *devname)
2536 QemuOptsList *device = qemu_find_opts("device");
2537 static int index = 0;
2541 if (strcmp(devname, "none") == 0) {
2544 if (index == MAX_SCLP_CONSOLES) {
2545 error_report("too many sclp consoles");
2549 assert(arch_type == QEMU_ARCH_S390X);
2551 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2552 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2554 snprintf(label, sizeof(label), "sclpcon%d", index);
2555 sclp_hds[index] = qemu_chr_new(label, devname);
2556 if (!sclp_hds[index]) {
2557 error_report("could not connect sclp console"
2558 " to character backend '%s'", devname);
2561 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2567 static int debugcon_parse(const char *devname)
2571 if (!qemu_chr_new("debugcon", devname)) {
2574 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2576 error_report("already have a debugcon device");
2579 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2580 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2584 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2586 const MachineClass *mc1 = a, *mc2 = b;
2589 if (mc1->family == NULL) {
2590 if (mc2->family == NULL) {
2591 /* Compare standalone machine types against each other; they sort
2592 * in increasing order.
2594 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2595 object_class_get_name(OBJECT_CLASS(mc2)));
2598 /* Standalone machine types sort after families. */
2602 if (mc2->family == NULL) {
2603 /* Families sort before standalone machine types. */
2607 /* Families sort between each other alphabetically increasingly. */
2608 res = strcmp(mc1->family, mc2->family);
2613 /* Within the same family, machine types sort in decreasing order. */
2614 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2615 object_class_get_name(OBJECT_CLASS(mc1)));
2618 static MachineClass *machine_parse(const char *name)
2620 MachineClass *mc = NULL;
2621 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2624 mc = find_machine(name);
2627 g_slist_free(machines);
2630 if (name && !is_help_option(name)) {
2631 error_report("unsupported machine type");
2632 error_printf("Use -machine help to list supported machines\n");
2634 printf("Supported machines are:\n");
2635 machines = g_slist_sort(machines, machine_class_cmp);
2636 for (el = machines; el; el = el->next) {
2637 MachineClass *mc = el->data;
2639 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2641 printf("%-20s %s%s\n", mc->name, mc->desc,
2642 mc->is_default ? " (default)" : "");
2646 g_slist_free(machines);
2647 exit(!name || !is_help_option(name));
2650 void qemu_add_exit_notifier(Notifier *notify)
2652 notifier_list_add(&exit_notifiers, notify);
2655 void qemu_remove_exit_notifier(Notifier *notify)
2657 notifier_remove(notify);
2660 static void qemu_run_exit_notifiers(void)
2662 notifier_list_notify(&exit_notifiers, NULL);
2665 static bool machine_init_done;
2667 void qemu_add_machine_init_done_notifier(Notifier *notify)
2669 notifier_list_add(&machine_init_done_notifiers, notify);
2670 if (machine_init_done) {
2671 notify->notify(notify, NULL);
2675 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2677 notifier_remove(notify);
2680 static void qemu_run_machine_init_done_notifiers(void)
2682 notifier_list_notify(&machine_init_done_notifiers, NULL);
2683 machine_init_done = true;
2686 static const QEMUOption *lookup_opt(int argc, char **argv,
2687 const char **poptarg, int *poptind)
2689 const QEMUOption *popt;
2690 int optind = *poptind;
2691 char *r = argv[optind];
2694 loc_set_cmdline(argv, optind, 1);
2696 /* Treat --foo the same as -foo. */
2699 popt = qemu_options;
2702 error_report("invalid option");
2705 if (!strcmp(popt->name, r + 1))
2709 if (popt->flags & HAS_ARG) {
2710 if (optind >= argc) {
2711 error_report("requires an argument");
2714 optarg = argv[optind++];
2715 loc_set_cmdline(argv, optind - 2, 2);
2726 static MachineClass *select_machine(void)
2728 MachineClass *machine_class = find_default_machine();
2733 loc_push_none(&loc);
2735 opts = qemu_get_machine_opts();
2736 qemu_opts_loc_restore(opts);
2738 optarg = qemu_opt_get(opts, "type");
2740 machine_class = machine_parse(optarg);
2743 if (!machine_class) {
2744 error_report("No machine specified, and there is no default");
2745 error_printf("Use -machine help to list supported machines\n");
2750 return machine_class;
2753 static int machine_set_property(void *opaque,
2754 const char *name, const char *value,
2757 Object *obj = OBJECT(opaque);
2758 Error *local_err = NULL;
2761 if (strcmp(name, "type") == 0) {
2765 qom_name = g_strdup(name);
2766 for (p = qom_name; *p; p++) {
2772 object_property_parse(obj, value, qom_name, &local_err);
2776 error_report_err(local_err);
2785 * Initial object creation happens before all other
2786 * QEMU data types are created. The majority of objects
2787 * can be created at this point. The rng-egd object
2788 * cannot be created here, as it depends on the chardev
2791 static bool object_create_initial(const char *type)
2793 if (g_str_equal(type, "rng-egd")) {
2798 * return false for concrete netfilters since
2799 * they depend on netdevs already existing
2801 if (g_str_equal(type, "filter-buffer") ||
2802 g_str_equal(type, "filter-dump") ||
2803 g_str_equal(type, "filter-mirror") ||
2804 g_str_equal(type, "filter-redirector") ||
2805 g_str_equal(type, "colo-compare") ||
2806 g_str_equal(type, "filter-rewriter") ||
2807 g_str_equal(type, "filter-replay")) {
2811 /* Memory allocation by backends needs to be done
2812 * after configure_accelerator() (due to the tcg_enabled()
2813 * checks at memory_region_init_*()).
2815 * Also, allocation of large amounts of memory may delay
2816 * chardev initialization for too long, and trigger timeouts
2817 * on software that waits for a monitor socket to be created
2820 if (g_str_has_prefix(type, "memory-backend-")) {
2829 * The remainder of object creation happens after the
2830 * creation of chardev, fsdev, net clients and device data types.
2832 static bool object_create_delayed(const char *type)
2834 return !object_create_initial(type);
2838 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2842 const char *mem_str;
2843 const char *maxmem_str, *slots_str;
2844 const ram_addr_t default_ram_size = mc->default_ram_size;
2845 QemuOpts *opts = qemu_find_opts_singleton("memory");
2848 loc_push_none(&loc);
2849 qemu_opts_loc_restore(opts);
2852 mem_str = qemu_opt_get(opts, "size");
2855 error_report("missing 'size' option value");
2859 sz = qemu_opt_get_size(opts, "size", ram_size);
2861 /* Fix up legacy suffix-less format */
2862 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2863 uint64_t overflow_check = sz;
2866 if ((sz >> 20) != overflow_check) {
2867 error_report("too large 'size' option value");
2873 /* backward compatibility behaviour for case "-m 0" */
2875 sz = default_ram_size;
2878 sz = QEMU_ALIGN_UP(sz, 8192);
2880 if (ram_size != sz) {
2881 error_report("ram size too large");
2885 /* store value for the future use */
2886 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2887 *maxram_size = ram_size;
2889 maxmem_str = qemu_opt_get(opts, "maxmem");
2890 slots_str = qemu_opt_get(opts, "slots");
2891 if (maxmem_str && slots_str) {
2894 sz = qemu_opt_get_size(opts, "maxmem", 0);
2895 slots = qemu_opt_get_number(opts, "slots", 0);
2896 if (sz < ram_size) {
2897 error_report("invalid value of -m option maxmem: "
2898 "maximum memory size (0x%" PRIx64 ") must be at least "
2899 "the initial memory size (0x" RAM_ADDR_FMT ")",
2902 } else if (sz > ram_size) {
2904 error_report("invalid value of -m option: maxmem was "
2905 "specified, but no hotplug slots were specified");
2909 error_report("invalid value of -m option maxmem: "
2910 "memory slots were specified but maximum memory size "
2911 "(0x%" PRIx64 ") is equal to the initial memory size "
2912 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2918 } else if ((!maxmem_str && slots_str) ||
2919 (maxmem_str && !slots_str)) {
2920 error_report("invalid -m option value: missing "
2921 "'%s' option", slots_str ? "maxmem" : "slots");
2928 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2932 g = g_malloc0(sizeof(*g));
2933 g->driver = qemu_opt_get(opts, "driver");
2934 g->property = qemu_opt_get(opts, "property");
2935 g->value = qemu_opt_get(opts, "value");
2936 g->user_provided = true;
2937 g->errp = &error_fatal;
2938 qdev_prop_register_global(g);
2942 static int qemu_read_default_config_file(void)
2946 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2947 if (ret < 0 && ret != -ENOENT) {
2954 int main(int argc, char **argv, char **envp)
2957 int snapshot, linux_boot;
2958 const char *initrd_filename;
2959 const char *kernel_filename, *kernel_cmdline;
2960 const char *boot_order = NULL;
2961 const char *boot_once = NULL;
2963 int cyls, heads, secs, translation;
2964 QemuOpts *opts, *machine_opts;
2965 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
2966 QemuOptsList *olist;
2969 const char *loadvm = NULL;
2970 MachineClass *machine_class;
2971 const char *cpu_model;
2972 const char *vga_model = NULL;
2973 const char *qtest_chrdev = NULL;
2974 const char *qtest_log = NULL;
2975 const char *pid_file = NULL;
2976 const char *incoming = NULL;
2977 bool defconfig = true;
2978 bool userconfig = true;
2979 bool nographic = false;
2980 DisplayType display_type = DT_DEFAULT;
2981 int display_remote = 0;
2982 const char *log_mask = NULL;
2983 const char *log_file = NULL;
2984 char *trace_file = NULL;
2985 ram_addr_t maxram_size;
2986 uint64_t ram_slots = 0;
2987 FILE *vmstate_dump_file = NULL;
2988 Error *main_loop_err = NULL;
2990 bool list_data_dirs = false;
2991 typedef struct BlockdevOptions_queue {
2992 BlockdevOptions *bdo;
2994 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2995 } BlockdevOptions_queue;
2996 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2997 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2999 module_call_init(MODULE_INIT_TRACE);
3001 qemu_init_cpu_list();
3002 qemu_init_cpu_loop();
3003 qemu_mutex_lock_iothread();
3005 atexit(qemu_run_exit_notifiers);
3006 error_set_progname(argv[0]);
3007 qemu_init_exec_dir(argv[0]);
3009 module_call_init(MODULE_INIT_QOM);
3010 monitor_init_qmp_commands();
3012 qemu_add_opts(&qemu_drive_opts);
3013 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3014 qemu_add_drive_opts(&qemu_common_drive_opts);
3015 qemu_add_drive_opts(&qemu_drive_opts);
3016 qemu_add_drive_opts(&bdrv_runtime_opts);
3017 qemu_add_opts(&qemu_chardev_opts);
3018 qemu_add_opts(&qemu_device_opts);
3019 qemu_add_opts(&qemu_netdev_opts);
3020 qemu_add_opts(&qemu_net_opts);
3021 qemu_add_opts(&qemu_rtc_opts);
3022 qemu_add_opts(&qemu_global_opts);
3023 qemu_add_opts(&qemu_mon_opts);
3024 qemu_add_opts(&qemu_trace_opts);
3025 qemu_add_opts(&qemu_option_rom_opts);
3026 qemu_add_opts(&qemu_machine_opts);
3027 qemu_add_opts(&qemu_accel_opts);
3028 qemu_add_opts(&qemu_mem_opts);
3029 qemu_add_opts(&qemu_smp_opts);
3030 qemu_add_opts(&qemu_boot_opts);
3031 qemu_add_opts(&qemu_sandbox_opts);
3032 qemu_add_opts(&qemu_add_fd_opts);
3033 qemu_add_opts(&qemu_object_opts);
3034 qemu_add_opts(&qemu_tpmdev_opts);
3035 qemu_add_opts(&qemu_realtime_opts);
3036 qemu_add_opts(&qemu_msg_opts);
3037 qemu_add_opts(&qemu_name_opts);
3038 qemu_add_opts(&qemu_numa_opts);
3039 qemu_add_opts(&qemu_icount_opts);
3040 qemu_add_opts(&qemu_semihosting_config_opts);
3041 qemu_add_opts(&qemu_fw_cfg_opts);
3042 module_call_init(MODULE_INIT_OPTS);
3046 if (qcrypto_init(&err) < 0) {
3047 error_reportf_err(err, "cannot initialize crypto: ");
3050 rtc_clock = QEMU_CLOCK_HOST;
3052 QLIST_INIT (&vm_change_state_head);
3053 os_setup_early_signal_handling();
3057 cyls = heads = secs = 0;
3058 translation = BIOS_ATA_TRANSLATION_AUTO;
3062 bdrv_init_with_whitelist();
3066 /* first pass of option parsing */
3068 while (optind < argc) {
3069 if (argv[optind][0] != '-') {
3073 const QEMUOption *popt;
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 switch (popt->index) {
3077 case QEMU_OPTION_nodefconfig:
3080 case QEMU_OPTION_nouserconfig:
3087 if (defconfig && userconfig) {
3088 if (qemu_read_default_config_file() < 0) {
3093 /* second pass of option parsing */
3098 if (argv[optind][0] != '-') {
3099 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3101 const QEMUOption *popt;
3103 popt = lookup_opt(argc, argv, &optarg, &optind);
3104 if (!(popt->arch_mask & arch_type)) {
3105 error_report("Option not supported for this target");
3108 switch(popt->index) {
3109 case QEMU_OPTION_no_kvm_irqchip: {
3110 olist = qemu_find_opts("machine");
3111 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3114 case QEMU_OPTION_cpu:
3115 /* hw initialization will check this */
3118 case QEMU_OPTION_hda:
3122 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3124 snprintf(buf, sizeof(buf),
3125 "%s,cyls=%d,heads=%d,secs=%d%s",
3126 HD_OPTS , cyls, heads, secs,
3127 translation == BIOS_ATA_TRANSLATION_LBA ?
3129 translation == BIOS_ATA_TRANSLATION_NONE ?
3130 ",trans=none" : "");
3131 drive_add(IF_DEFAULT, 0, optarg, buf);
3134 case QEMU_OPTION_hdb:
3135 case QEMU_OPTION_hdc:
3136 case QEMU_OPTION_hdd:
3137 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3140 case QEMU_OPTION_blockdev:
3143 BlockdevOptions_queue *bdo;
3145 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3147 error_report_err(err);
3151 bdo = g_new(BlockdevOptions_queue, 1);
3152 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3155 loc_save(&bdo->loc);
3156 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3159 case QEMU_OPTION_drive:
3160 if (drive_def(optarg) == NULL) {
3164 case QEMU_OPTION_set:
3165 if (qemu_set_option(optarg) != 0)
3168 case QEMU_OPTION_global:
3169 if (qemu_global_option(optarg) != 0)
3172 case QEMU_OPTION_mtdblock:
3173 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3175 case QEMU_OPTION_sd:
3176 drive_add(IF_SD, -1, optarg, SD_OPTS);
3178 case QEMU_OPTION_pflash:
3179 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3181 case QEMU_OPTION_snapshot:
3184 case QEMU_OPTION_hdachs:
3188 cyls = strtol(p, (char **)&p, 0);
3189 if (cyls < 1 || cyls > 16383)
3194 heads = strtol(p, (char **)&p, 0);
3195 if (heads < 1 || heads > 16)
3200 secs = strtol(p, (char **)&p, 0);
3201 if (secs < 1 || secs > 63)
3205 if (!strcmp(p, "large")) {
3206 translation = BIOS_ATA_TRANSLATION_LARGE;
3207 } else if (!strcmp(p, "rechs")) {
3208 translation = BIOS_ATA_TRANSLATION_RECHS;
3209 } else if (!strcmp(p, "none")) {
3210 translation = BIOS_ATA_TRANSLATION_NONE;
3211 } else if (!strcmp(p, "lba")) {
3212 translation = BIOS_ATA_TRANSLATION_LBA;
3213 } else if (!strcmp(p, "auto")) {
3214 translation = BIOS_ATA_TRANSLATION_AUTO;
3218 } else if (*p != '\0') {
3220 error_report("invalid physical CHS format");
3223 if (hda_opts != NULL) {
3224 qemu_opt_set_number(hda_opts, "cyls", cyls,
3226 qemu_opt_set_number(hda_opts, "heads", heads,
3228 qemu_opt_set_number(hda_opts, "secs", secs,
3230 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3231 qemu_opt_set(hda_opts, "trans", "large",
3233 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3234 qemu_opt_set(hda_opts, "trans", "rechs",
3236 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3237 qemu_opt_set(hda_opts, "trans", "lba",
3239 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3240 qemu_opt_set(hda_opts, "trans", "none",
3245 error_report("'-hdachs' is deprecated, please use '-device"
3246 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3248 case QEMU_OPTION_numa:
3249 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3255 case QEMU_OPTION_display:
3256 display_type = select_display(optarg);
3258 case QEMU_OPTION_nographic:
3259 olist = qemu_find_opts("machine");
3260 qemu_opts_parse_noisily(olist, "graphics=off", false);
3262 display_type = DT_NONE;
3264 case QEMU_OPTION_curses:
3265 #ifdef CONFIG_CURSES
3266 display_type = DT_CURSES;
3268 error_report("curses support is disabled");
3272 case QEMU_OPTION_portrait:
3273 graphic_rotate = 90;
3275 case QEMU_OPTION_rotate:
3276 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3277 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3278 graphic_rotate != 180 && graphic_rotate != 270) {
3279 error_report("only 90, 180, 270 deg rotation is available");
3283 case QEMU_OPTION_kernel:
3284 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3287 case QEMU_OPTION_initrd:
3288 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3291 case QEMU_OPTION_append:
3292 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3295 case QEMU_OPTION_dtb:
3296 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3299 case QEMU_OPTION_cdrom:
3300 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3302 case QEMU_OPTION_boot:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3309 case QEMU_OPTION_fda:
3310 case QEMU_OPTION_fdb:
3311 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3314 case QEMU_OPTION_no_fd_bootchk:
3317 case QEMU_OPTION_netdev:
3319 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3323 case QEMU_OPTION_net:
3325 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3329 #ifdef CONFIG_LIBISCSI
3330 case QEMU_OPTION_iscsi:
3331 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3339 case QEMU_OPTION_tftp:
3340 error_report("The -tftp option is deprecated. "
3341 "Please use '-netdev user,tftp=...' instead.");
3342 legacy_tftp_prefix = optarg;
3344 case QEMU_OPTION_bootp:
3345 error_report("The -bootp option is deprecated. "
3346 "Please use '-netdev user,bootfile=...' instead.");
3347 legacy_bootp_filename = optarg;
3349 case QEMU_OPTION_redir:
3350 error_report("The -redir option is deprecated. "
3351 "Please use '-netdev user,hostfwd=...' instead.");
3352 if (net_slirp_redir(optarg) < 0)
3356 case QEMU_OPTION_bt:
3357 add_device_config(DEV_BT, optarg);
3359 case QEMU_OPTION_audio_help:
3363 case QEMU_OPTION_soundhw:
3364 select_soundhw (optarg);
3369 case QEMU_OPTION_version:
3374 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3381 case QEMU_OPTION_tpmdev:
3382 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3387 case QEMU_OPTION_mempath:
3390 case QEMU_OPTION_mem_prealloc:
3399 case QEMU_OPTION_DFILTER:
3400 qemu_set_dfilter_ranges(optarg, &error_fatal);
3403 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3405 case QEMU_OPTION_gdb:
3406 add_device_config(DEV_GDB, optarg);
3409 if (is_help_option(optarg)) {
3410 list_data_dirs = true;
3411 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3412 data_dir[data_dir_idx++] = optarg;
3415 case QEMU_OPTION_bios:
3416 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3419 case QEMU_OPTION_singlestep:
3426 keyboard_layout = optarg;
3428 case QEMU_OPTION_localtime:
3431 case QEMU_OPTION_vga:
3440 w = strtol(p, (char **)&p, 10);
3443 error_report("invalid resolution or depth");
3449 h = strtol(p, (char **)&p, 10);
3454 depth = strtol(p, (char **)&p, 10);
3455 if (depth != 8 && depth != 15 && depth != 16 &&
3456 depth != 24 && depth != 32)
3458 } else if (*p == '\0') {
3459 depth = graphic_depth;
3466 graphic_depth = depth;
3469 case QEMU_OPTION_echr:
3472 term_escape_char = strtol(optarg, &r, 0);
3474 printf("Bad argument to echr\n");
3477 case QEMU_OPTION_monitor:
3478 default_monitor = 0;
3479 if (strncmp(optarg, "none", 4)) {
3480 monitor_parse(optarg, "readline", false);
3483 case QEMU_OPTION_qmp:
3484 monitor_parse(optarg, "control", false);
3485 default_monitor = 0;
3487 case QEMU_OPTION_qmp_pretty:
3488 monitor_parse(optarg, "control", true);
3489 default_monitor = 0;
3491 case QEMU_OPTION_mon:
3492 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3497 default_monitor = 0;
3499 case QEMU_OPTION_chardev:
3500 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3506 case QEMU_OPTION_fsdev:
3507 olist = qemu_find_opts("fsdev");
3509 error_report("fsdev support is disabled");
3512 opts = qemu_opts_parse_noisily(olist, optarg, true);
3517 case QEMU_OPTION_virtfs: {
3520 const char *writeout, *sock_fd, *socket;
3522 olist = qemu_find_opts("virtfs");
3524 error_report("virtfs support is disabled");
3527 opts = qemu_opts_parse_noisily(olist, optarg, true);
3532 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3533 qemu_opt_get(opts, "mount_tag") == NULL) {
3534 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3537 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3538 qemu_opts_id(opts) ?:
3539 qemu_opt_get(opts, "mount_tag"),
3542 error_report("duplicate or invalid fsdev id: %s",
3543 qemu_opt_get(opts, "mount_tag"));
3547 writeout = qemu_opt_get(opts, "writeout");
3549 #ifdef CONFIG_SYNC_FILE_RANGE
3550 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3552 error_report("writeout=immediate not supported "
3553 "on this platform");
3557 qemu_opt_set(fsdev, "fsdriver",
3558 qemu_opt_get(opts, "fsdriver"), &error_abort);
3559 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3561 qemu_opt_set(fsdev, "security_model",
3562 qemu_opt_get(opts, "security_model"),
3564 socket = qemu_opt_get(opts, "socket");
3566 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3568 sock_fd = qemu_opt_get(opts, "sock_fd");
3570 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3573 qemu_opt_set_bool(fsdev, "readonly",
3574 qemu_opt_get_bool(opts, "readonly", 0),
3576 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3578 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3579 qemu_opt_set(device, "fsdev",
3580 qemu_opts_id(fsdev), &error_abort);
3581 qemu_opt_set(device, "mount_tag",
3582 qemu_opt_get(opts, "mount_tag"), &error_abort);
3585 case QEMU_OPTION_virtfs_synth: {
3589 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3592 error_report("duplicate option: %s", "virtfs_synth");
3595 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3597 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3599 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3600 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3601 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3604 case QEMU_OPTION_serial:
3605 add_device_config(DEV_SERIAL, optarg);
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3611 case QEMU_OPTION_watchdog:
3613 error_report("only one watchdog option may be given");
3618 case QEMU_OPTION_watchdog_action:
3619 if (select_watchdog_action(optarg) == -1) {
3620 error_report("unknown -watchdog-action parameter");
3624 case QEMU_OPTION_virtiocon:
3625 add_device_config(DEV_VIRTCON, optarg);
3626 default_virtcon = 0;
3627 if (strncmp(optarg, "mon:", 4) == 0) {
3628 default_monitor = 0;
3631 case QEMU_OPTION_parallel:
3632 add_device_config(DEV_PARALLEL, optarg);
3633 default_parallel = 0;
3634 if (strncmp(optarg, "mon:", 4) == 0) {
3635 default_monitor = 0;
3638 case QEMU_OPTION_debugcon:
3639 add_device_config(DEV_DEBUGCON, optarg);
3641 case QEMU_OPTION_loadvm:
3644 case QEMU_OPTION_full_screen:
3647 case QEMU_OPTION_no_frame:
3650 case QEMU_OPTION_alt_grab:
3653 case QEMU_OPTION_ctrl_grab:
3656 case QEMU_OPTION_no_quit:
3659 case QEMU_OPTION_sdl:
3661 display_type = DT_SDL;
3664 error_report("SDL support is disabled");
3667 case QEMU_OPTION_pidfile:
3670 case QEMU_OPTION_win2k_hack:
3671 win2k_install_hack = 1;
3673 case QEMU_OPTION_rtc_td_hack: {
3674 static GlobalProperty slew_lost_ticks = {
3675 .driver = "mc146818rtc",
3676 .property = "lost_tick_policy",
3680 qdev_prop_register_global(&slew_lost_ticks);
3683 case QEMU_OPTION_acpitable:
3684 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3689 acpi_table_add(opts, &error_fatal);
3691 case QEMU_OPTION_smbios:
3692 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3697 smbios_entry_add(opts, &error_fatal);
3699 case QEMU_OPTION_fwcfg:
3700 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3706 case QEMU_OPTION_enable_kvm:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3710 case QEMU_OPTION_enable_hax:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "accel=hax", false);
3715 case QEMU_OPTION_machine:
3716 olist = qemu_find_opts("machine");
3717 opts = qemu_opts_parse_noisily(olist, optarg, true);
3722 case QEMU_OPTION_no_kvm:
3723 olist = qemu_find_opts("machine");
3724 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3726 case QEMU_OPTION_no_kvm_pit: {
3727 error_report("warning: ignoring deprecated option");
3730 case QEMU_OPTION_no_kvm_pit_reinjection: {
3731 static GlobalProperty kvm_pit_lost_tick_policy = {
3732 .driver = "kvm-pit",
3733 .property = "lost_tick_policy",
3737 error_report("warning: deprecated, replaced by "
3738 "-global kvm-pit.lost_tick_policy=discard");
3739 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3742 case QEMU_OPTION_accel: {
3743 QemuOpts *accel_opts;
3745 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3747 optarg = qemu_opt_get(accel_opts, "accel");
3748 if (!optarg || is_help_option(optarg)) {
3749 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3752 accel_opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3753 false, &error_abort);
3754 qemu_opt_set(accel_opts, "accel", optarg, &error_abort);
3757 case QEMU_OPTION_usb:
3758 olist = qemu_find_opts("machine");
3759 qemu_opts_parse_noisily(olist, "usb=on", false);
3761 case QEMU_OPTION_usbdevice:
3762 olist = qemu_find_opts("machine");
3763 qemu_opts_parse_noisily(olist, "usb=on", false);
3764 add_device_config(DEV_USB, optarg);
3766 case QEMU_OPTION_device:
3767 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3772 case QEMU_OPTION_smp:
3773 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3778 case QEMU_OPTION_vnc:
3779 vnc_parse(optarg, &error_fatal);
3781 case QEMU_OPTION_no_acpi:
3784 case QEMU_OPTION_no_hpet:
3787 case QEMU_OPTION_balloon:
3788 if (balloon_parse(optarg) < 0) {
3789 error_report("unknown -balloon argument %s", optarg);
3793 case QEMU_OPTION_no_reboot:
3796 case QEMU_OPTION_no_shutdown:
3799 case QEMU_OPTION_show_cursor:
3802 case QEMU_OPTION_uuid:
3803 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3804 error_report("failed to parse UUID string: wrong format");
3807 qemu_uuid_set = true;
3809 case QEMU_OPTION_option_rom:
3810 if (nb_option_roms >= MAX_OPTION_ROMS) {
3811 error_report("too many option ROMs");
3814 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3819 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3820 option_rom[nb_option_roms].bootindex =
3821 qemu_opt_get_number(opts, "bootindex", -1);
3822 if (!option_rom[nb_option_roms].name) {
3823 error_report("Option ROM file is not specified");
3828 case QEMU_OPTION_semihosting:
3829 semihosting.enabled = true;
3830 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3832 case QEMU_OPTION_semihosting_config:
3833 semihosting.enabled = true;
3834 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3837 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3839 const char *target = qemu_opt_get(opts, "target");
3840 if (target != NULL) {
3841 if (strcmp("native", target) == 0) {
3842 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3843 } else if (strcmp("gdb", target) == 0) {
3844 semihosting.target = SEMIHOSTING_TARGET_GDB;
3845 } else if (strcmp("auto", target) == 0) {
3846 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3848 error_report("unsupported semihosting-config %s",
3853 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3855 /* Set semihosting argument count and vector */
3856 qemu_opt_foreach(opts, add_semihosting_arg,
3857 &semihosting, NULL);
3859 error_report("unsupported semihosting-config %s", optarg);
3863 case QEMU_OPTION_tdf:
3864 error_report("warning: ignoring deprecated option");
3866 case QEMU_OPTION_name:
3867 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3873 case QEMU_OPTION_prom_env:
3874 if (nb_prom_envs >= MAX_PROM_ENVS) {
3875 error_report("too many prom variables");
3878 prom_envs[nb_prom_envs] = optarg;
3881 case QEMU_OPTION_old_param:
3884 case QEMU_OPTION_clock:
3885 /* Clock options no longer exist. Keep this option for
3886 * backward compatibility.
3889 case QEMU_OPTION_startdate:
3890 configure_rtc_date_offset(optarg, 1);
3892 case QEMU_OPTION_rtc:
3893 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3898 configure_rtc(opts);
3900 case QEMU_OPTION_tb_size:
3901 tcg_tb_size = strtol(optarg, NULL, 0);
3902 if (tcg_tb_size < 0) {
3906 case QEMU_OPTION_icount:
3907 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3913 case QEMU_OPTION_incoming:
3915 runstate_set(RUN_STATE_INMIGRATE);
3919 case QEMU_OPTION_only_migratable:
3920 only_migratable = 1;
3922 case QEMU_OPTION_nodefaults:
3925 case QEMU_OPTION_xen_domid:
3926 if (!(xen_available())) {
3927 error_report("Option not supported for this target");
3930 xen_domid = atoi(optarg);
3932 case QEMU_OPTION_xen_create:
3933 if (!(xen_available())) {
3934 error_report("Option not supported for this target");
3937 xen_mode = XEN_CREATE;
3939 case QEMU_OPTION_xen_attach:
3940 if (!(xen_available())) {
3941 error_report("Option not supported for this target");
3944 xen_mode = XEN_ATTACH;
3946 case QEMU_OPTION_xen_domid_restrict:
3947 if (!(xen_available())) {
3948 error_report("Option not supported for this target");
3951 xen_domid_restrict = true;
3953 case QEMU_OPTION_trace:
3955 trace_file = trace_opt_parse(optarg);
3957 case QEMU_OPTION_readconfig:
3959 int ret = qemu_read_config_file(optarg);
3961 error_report("read config %s: %s", optarg,
3967 case QEMU_OPTION_spice:
3968 olist = qemu_find_opts("spice");
3970 error_report("spice support is disabled");
3973 opts = qemu_opts_parse_noisily(olist, optarg, false);
3979 case QEMU_OPTION_writeconfig:
3982 if (strcmp(optarg, "-") == 0) {
3985 fp = fopen(optarg, "w");
3987 error_report("open %s: %s", optarg,
3992 qemu_config_write(fp);
3998 case QEMU_OPTION_qtest:
3999 qtest_chrdev = optarg;
4001 case QEMU_OPTION_qtest_log:
4004 case QEMU_OPTION_sandbox:
4005 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4011 case QEMU_OPTION_add_fd:
4013 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4019 error_report("File descriptor passing is disabled on this "
4024 case QEMU_OPTION_object:
4025 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4031 case QEMU_OPTION_realtime:
4032 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4037 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4039 case QEMU_OPTION_msg:
4040 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4045 configure_msg(opts);
4047 case QEMU_OPTION_dump_vmstate:
4048 if (vmstate_dump_file) {
4049 error_report("only one '-dump-vmstate' "
4050 "option may be given");
4053 vmstate_dump_file = fopen(optarg, "w");
4054 if (vmstate_dump_file == NULL) {
4055 error_report("open %s: %s", optarg, strerror(errno));
4060 os_parse_cmd_args(popt->index, optarg);
4065 * Clear error location left behind by the loop.
4066 * Best done right after the loop. Do not insert code here!
4070 replay_configure(icount_opts);
4072 machine_class = select_machine();
4074 set_memory_options(&ram_slots, &maxram_size, machine_class);
4078 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4079 error_report("could not acquire pid file: %s", strerror(errno));
4083 if (qemu_init_main_loop(&main_loop_err)) {
4084 error_report_err(main_loop_err);
4088 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4089 parse_sandbox, NULL, NULL)) {
4093 if (qemu_opts_foreach(qemu_find_opts("name"),
4094 parse_name, NULL, NULL)) {
4099 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4100 parse_add_fd, NULL, NULL)) {
4104 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4105 cleanup_add_fd, NULL, NULL)) {
4110 current_machine = MACHINE(object_new(object_class_get_name(
4111 OBJECT_CLASS(machine_class))));
4112 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4115 object_property_add_child(object_get_root(), "machine",
4116 OBJECT(current_machine), &error_abort);
4118 if (machine_class->minimum_page_bits) {
4119 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4120 /* This would be a board error: specifying a minimum smaller than
4121 * a target's compile-time fixed setting.
4123 g_assert_not_reached();
4127 cpu_exec_init_all();
4129 if (machine_class->hw_version) {
4130 qemu_set_hw_version(machine_class->hw_version);
4133 if (cpu_model && is_help_option(cpu_model)) {
4134 list_cpus(stdout, &fprintf, cpu_model);
4138 if (!trace_init_backends()) {
4141 trace_init_file(trace_file);
4143 /* Open the logfile at this point and set the log mask if necessary.
4146 qemu_set_log_filename(log_file, &error_fatal);
4151 mask = qemu_str_to_log_mask(log_mask);
4153 qemu_print_log_usage(stdout);
4161 /* If no data_dir is specified then try to find it relative to the
4163 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4164 data_dir[data_dir_idx] = os_find_datadir();
4165 if (data_dir[data_dir_idx] != NULL) {
4169 /* If all else fails use the install path specified when building. */
4170 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4171 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4174 /* -L help lists the data directories and exits. */
4175 if (list_data_dirs) {
4176 for (i = 0; i < data_dir_idx; i++) {
4177 printf("%s\n", data_dir[i]);
4182 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4184 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4185 if (max_cpus > machine_class->max_cpus) {
4186 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4187 "supported by machine '%s' (%d)", max_cpus,
4188 machine_class->name, machine_class->max_cpus);
4193 * Get the default machine options from the machine if it is not already
4194 * specified either by the configuration file or by the command line.
4196 if (machine_class->default_machine_opts) {
4197 qemu_opts_set_defaults(qemu_find_opts("machine"),
4198 machine_class->default_machine_opts, 0);
4201 qemu_opts_foreach(qemu_find_opts("device"),
4202 default_driver_check, NULL, NULL);
4203 qemu_opts_foreach(qemu_find_opts("global"),
4204 default_driver_check, NULL, NULL);
4206 if (!vga_model && !default_vga) {
4207 vga_interface_type = VGA_DEVICE;
4209 if (!has_defaults || machine_class->no_serial) {
4212 if (!has_defaults || machine_class->no_parallel) {
4213 default_parallel = 0;
4215 if (!has_defaults || !machine_class->use_virtcon) {
4216 default_virtcon = 0;
4218 if (!has_defaults || !machine_class->use_sclp) {
4221 if (!has_defaults || machine_class->no_floppy) {
4224 if (!has_defaults || machine_class->no_cdrom) {
4227 if (!has_defaults || machine_class->no_sdcard) {
4230 if (!has_defaults) {
4231 default_monitor = 0;
4236 if (is_daemonized()) {
4237 /* According to documentation and historically, -nographic redirects
4238 * serial port, parallel port and monitor to stdio, which does not work
4239 * with -daemonize. We can redirect these to null instead, but since
4240 * -nographic is legacy, let's just error out.
4241 * We disallow -nographic only if all other ports are not redirected
4242 * explicitly, to not break existing legacy setups which uses
4243 * -nographic _and_ redirects all ports explicitly - this is valid
4244 * usage, -nographic is just a no-op in this case.
4247 && (default_parallel || default_serial
4248 || default_monitor || default_virtcon)) {
4249 error_report("-nographic cannot be used with -daemonize");
4252 #ifdef CONFIG_CURSES
4253 if (display_type == DT_CURSES) {
4254 error_report("curses display cannot be used with -daemonize");
4261 if (default_parallel)
4262 add_device_config(DEV_PARALLEL, "null");
4263 if (default_serial && default_monitor) {
4264 add_device_config(DEV_SERIAL, "mon:stdio");
4265 } else if (default_virtcon && default_monitor) {
4266 add_device_config(DEV_VIRTCON, "mon:stdio");
4267 } else if (default_sclp && default_monitor) {
4268 add_device_config(DEV_SCLP, "mon:stdio");
4271 add_device_config(DEV_SERIAL, "stdio");
4272 if (default_virtcon)
4273 add_device_config(DEV_VIRTCON, "stdio");
4275 add_device_config(DEV_SCLP, "stdio");
4277 if (default_monitor)
4278 monitor_parse("stdio", "readline", false);
4282 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4283 if (default_parallel)
4284 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4285 if (default_monitor)
4286 monitor_parse("vc:80Cx24C", "readline", false);
4287 if (default_virtcon)
4288 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4290 add_device_config(DEV_SCLP, "vc:80Cx24C");
4294 #if defined(CONFIG_VNC)
4295 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4299 if (display_type == DT_DEFAULT && !display_remote) {
4300 #if defined(CONFIG_GTK)
4301 display_type = DT_GTK;
4302 #elif defined(CONFIG_SDL)
4303 display_type = DT_SDL;
4304 #elif defined(CONFIG_COCOA)
4305 display_type = DT_COCOA;
4306 #elif defined(CONFIG_VNC)
4307 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4309 display_type = DT_NONE;
4313 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4314 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4315 "for SDL, ignoring option");
4317 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4318 error_report("-no-quit is only valid for GTK and SDL, "
4322 if (display_type == DT_GTK) {
4323 early_gtk_display_init(request_opengl);
4326 if (display_type == DT_SDL) {
4327 sdl_display_early_init(request_opengl);
4330 qemu_console_early_init();
4332 if (request_opengl == 1 && display_opengl == 0) {
4333 #if defined(CONFIG_OPENGL)
4334 error_report("OpenGL is not supported by the display");
4336 error_report("OpenGL support is disabled");
4344 if (qemu_opts_foreach(qemu_find_opts("object"),
4345 user_creatable_add_opts_foreach,
4346 object_create_initial, NULL)) {
4350 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4351 chardev_init_func, NULL, NULL)) {
4355 #ifdef CONFIG_VIRTFS
4356 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4357 fsdev_init_func, NULL, NULL)) {
4362 if (qemu_opts_foreach(qemu_find_opts("device"),
4363 device_help_func, NULL, NULL)) {
4367 machine_opts = qemu_get_machine_opts();
4368 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4370 object_unref(OBJECT(current_machine));
4374 configure_accelerator(current_machine);
4377 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4380 machine_opts = qemu_get_machine_opts();
4381 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4382 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4383 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4384 bios_name = qemu_opt_get(machine_opts, "firmware");
4386 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4388 boot_order = qemu_opt_get(opts, "order");
4390 validate_bootdevices(boot_order, &error_fatal);
4393 boot_once = qemu_opt_get(opts, "once");
4395 validate_bootdevices(boot_once, &error_fatal);
4398 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4399 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4403 boot_order = machine_class->default_boot_order;
4406 if (!kernel_cmdline) {
4407 kernel_cmdline = "";
4408 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4411 linux_boot = (kernel_filename != NULL);
4413 if (!linux_boot && *kernel_cmdline != '\0') {
4414 error_report("-append only allowed with -kernel option");
4418 if (!linux_boot && initrd_filename != NULL) {
4419 error_report("-initrd only allowed with -kernel option");
4423 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4424 /* fall back to the -kernel/-append */
4425 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4428 os_set_line_buffering();
4430 /* spice needs the timers to be initialized by this point */
4435 if (!tcg_enabled()) {
4436 error_report("-icount is not allowed with hardware virtualization");
4439 configure_icount(icount_opts, &error_abort);
4440 qemu_opts_del(icount_opts);
4443 qemu_tcg_configure(accel_opts, &error_fatal);
4446 QemuOptsList *net = qemu_find_opts("net");
4447 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4449 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4455 if (net_init_clients() < 0) {
4459 if (qemu_opts_foreach(qemu_find_opts("object"),
4460 user_creatable_add_opts_foreach,
4461 object_create_delayed, NULL)) {
4466 if (tpm_init() < 0) {
4471 /* init the bluetooth world */
4472 if (foreach_device_config(DEV_BT, bt_parse))
4475 if (!xen_enabled()) {
4476 /* On 32-bit hosts, QEMU is limited by virtual address space */
4477 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4478 error_report("at most 2047 MB RAM can be simulated");
4486 /* If the currently selected machine wishes to override the units-per-bus
4487 * property of its default HBA interface type, do so now. */
4488 if (machine_class->units_per_default_bus) {
4489 override_max_devs(machine_class->block_default_type,
4490 machine_class->units_per_default_bus);
4493 /* open the virtual block devices */
4494 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4495 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4497 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4498 loc_push_restore(&bdo->loc);
4499 qmp_blockdev_add(bdo->bdo, &error_fatal);
4501 qapi_free_BlockdevOptions(bdo->bdo);
4504 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4505 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4508 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4509 &machine_class->block_default_type, NULL)) {
4513 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4515 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4516 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4518 parse_numa_opts(current_machine);
4520 if (qemu_opts_foreach(qemu_find_opts("mon"),
4521 mon_init_func, NULL, NULL)) {
4525 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4527 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4529 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4531 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4534 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4537 /* If no default VGA is requested, the default is "none". */
4539 if (machine_class->default_display) {
4540 vga_model = machine_class->default_display;
4541 } else if (vga_interface_available(VGA_CIRRUS)) {
4542 vga_model = "cirrus";
4543 } else if (vga_interface_available(VGA_STD)) {
4548 select_vgahw(vga_model);
4552 i = select_watchdog(watchdog);
4554 exit (i == 1 ? 1 : 0);
4557 machine_register_compat_props(current_machine);
4559 qemu_opts_foreach(qemu_find_opts("global"),
4560 global_init_func, NULL, NULL);
4562 /* This checkpoint is required by replay to separate prior clock
4563 reading from the other reads, because timer polling functions query
4564 clock values from the log. */
4565 replay_checkpoint(CHECKPOINT_INIT);
4566 qdev_machine_init();
4568 current_machine->ram_size = ram_size;
4569 current_machine->maxram_size = maxram_size;
4570 current_machine->ram_slots = ram_slots;
4571 current_machine->boot_order = boot_order;
4572 current_machine->cpu_model = cpu_model;
4574 machine_run_board_init(current_machine);
4580 if (hax_enabled()) {
4584 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4585 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4589 /* init USB devices */
4590 if (machine_usb(current_machine)) {
4591 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4595 /* Check if IGD GFX passthrough. */
4598 /* init generic devices */
4599 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4600 if (qemu_opts_foreach(qemu_find_opts("device"),
4601 device_init_func, NULL, NULL)) {
4605 cpu_synchronize_all_post_init();
4607 rom_reset_order_override();
4610 * Create frontends for -drive if=scsi leftovers.
4611 * Normally, frontends for -drive get created by machine
4612 * initialization for onboard SCSI HBAs. However, we create a few
4613 * more ever since SCSI qdevification, but this is pretty much an
4614 * implementation accident, and deprecated.
4616 scsi_legacy_handle_cmdline();
4618 /* Did we create any drives that we failed to create a device for? */
4619 drive_check_orphaned();
4621 /* Don't warn about the default network setup that you get if
4622 * no command line -net or -netdev options are specified. There
4623 * are two cases that we would otherwise complain about:
4624 * (1) board doesn't support a NIC but the implicit "-net nic"
4626 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4627 * sets up a nic that isn't connected to anything.
4630 net_check_clients();
4635 qemu_boot_set(boot_once, &error_fatal);
4636 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4639 ds = init_displaystate();
4641 /* init local displays */
4642 switch (display_type) {
4644 curses_display_init(ds, full_screen);
4647 sdl_display_init(ds, full_screen, no_frame);
4650 cocoa_display_init(ds, full_screen);
4653 gtk_display_init(ds, full_screen, grab_on_hover);
4659 /* must be after terminal init, SDL library changes signal handlers */
4660 os_setup_signal_handling();
4662 /* init remote displays */
4664 qemu_opts_foreach(qemu_find_opts("vnc"),
4665 vnc_init_func, NULL, NULL);
4669 qemu_spice_display_init();
4672 #ifdef CONFIG_OPENGL_DMABUF
4673 if (display_type == DT_EGL) {
4674 egl_headless_init();
4678 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4682 qdev_machine_creation_done();
4684 /* TODO: once all bus devices are qdevified, this should be done
4685 * when bus is created by qdev.c */
4686 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4687 qemu_run_machine_init_done_notifiers();
4689 if (rom_check_and_register_reset() != 0) {
4690 error_report("rom check and register reset failed");
4696 /* This checkpoint is required by replay to separate prior clock
4697 reading from the other reads, because timer polling functions query
4698 clock values from the log. */
4699 replay_checkpoint(CHECKPOINT_RESET);
4700 qemu_system_reset(VMRESET_SILENT);
4701 register_global_state();
4702 if (replay_mode != REPLAY_MODE_NONE) {
4703 replay_vmstate_init();
4704 } else if (loadvm) {
4705 Error *local_err = NULL;
4706 if (load_vmstate(loadvm, &local_err) < 0) {
4707 error_report_err(local_err);
4712 qdev_prop_check_globals();
4713 if (vmstate_dump_file) {
4715 dump_vmstate_json_to_file(vmstate_dump_file);
4720 Error *local_err = NULL;
4721 qemu_start_incoming_migration(incoming, &local_err);
4723 error_reportf_err(local_err, "-incoming %s: ", incoming);
4726 } else if (autostart) {
4733 replay_disable_events();
4734 iothread_stop_all();
4740 /* vhost-user must be cleaned up before chardevs. */
4745 /* TODO: unref root container, check all devices are ok */