4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
29 #include "sysemu/seccomp.h"
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
37 #if defined(__APPLE__) || defined(main)
39 int qemu_main(int argc
, char **argv
, char **envp
);
40 int main(int argc
, char **argv
)
42 return qemu_main(argc
, argv
, NULL
);
45 #define main qemu_main
47 #endif /* CONFIG_SDL */
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir
[16];
129 static int data_dir_idx
;
130 const char *bios_name
= NULL
;
131 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
132 DisplayType display_type
= DT_DEFAULT
;
133 int request_opengl
= -1;
135 static int display_remote
;
136 const char* keyboard_layout
= NULL
;
138 const char *mem_path
= NULL
;
139 int mem_prealloc
= 0; /* force preallocation of physical target memory */
140 bool enable_mlock
= false;
142 NICInfo nd_table
[MAX_NICS
];
144 static int rtc_utc
= 1;
145 static int rtc_date_offset
= -1; /* -1 means no change */
146 QEMUClockType rtc_clock
;
147 int vga_interface_type
= VGA_NONE
;
148 static int full_screen
= 0;
149 static int no_frame
= 0;
152 static bool grab_on_hover
;
154 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
155 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
156 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
157 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
158 int win2k_install_hack
= 0;
164 int acpi_enabled
= 1;
167 static int no_reboot
;
170 int graphic_rotate
= 0;
171 const char *watchdog
;
172 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
175 const char *qemu_name
;
178 unsigned int nb_prom_envs
= 0;
179 const char *prom_envs
[MAX_PROM_ENVS
];
182 uint8_t *boot_splash_filedata
;
183 size_t boot_splash_filedata_size
;
184 uint8_t qemu_extra_params_fw
[2];
186 int icount_align_option
;
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 uint8_t qemu_uuid
[16];
194 static NotifierList exit_notifiers
=
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
197 static NotifierList machine_init_done_notifiers
=
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
202 enum xen_mode xen_mode
= XEN_EMULATE
;
204 static int has_defaults
= 1;
205 static int default_serial
= 1;
206 static int default_parallel
= 1;
207 static int default_virtcon
= 1;
208 static int default_sclp
= 1;
209 static int default_monitor
= 1;
210 static int default_floppy
= 1;
211 static int default_cdrom
= 1;
212 static int default_sdcard
= 1;
213 static int default_vga
= 1;
219 { .driver
= "isa-serial", .flag
= &default_serial
},
220 { .driver
= "isa-parallel", .flag
= &default_parallel
},
221 { .driver
= "isa-fdc", .flag
= &default_floppy
},
222 { .driver
= "ide-cd", .flag
= &default_cdrom
},
223 { .driver
= "ide-hd", .flag
= &default_cdrom
},
224 { .driver
= "ide-drive", .flag
= &default_cdrom
},
225 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
226 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
227 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
228 { .driver
= "VGA", .flag
= &default_vga
},
229 { .driver
= "isa-vga", .flag
= &default_vga
},
230 { .driver
= "cirrus-vga", .flag
= &default_vga
},
231 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
232 { .driver
= "vmware-svga", .flag
= &default_vga
},
233 { .driver
= "qxl-vga", .flag
= &default_vga
},
234 { .driver
= "virtio-vga", .flag
= &default_vga
},
237 static QemuOptsList qemu_rtc_opts
= {
239 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
243 .type
= QEMU_OPT_STRING
,
246 .type
= QEMU_OPT_STRING
,
249 .type
= QEMU_OPT_STRING
,
251 { /* end of list */ }
255 static QemuOptsList qemu_sandbox_opts
= {
257 .implied_opt_name
= "enable",
258 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
262 .type
= QEMU_OPT_BOOL
,
264 { /* end of list */ }
268 static QemuOptsList qemu_trace_opts
= {
270 .implied_opt_name
= "enable",
271 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
275 .type
= QEMU_OPT_STRING
,
279 .type
= QEMU_OPT_STRING
,
282 .type
= QEMU_OPT_STRING
,
284 { /* end of list */ }
288 static QemuOptsList qemu_option_rom_opts
= {
289 .name
= "option-rom",
290 .implied_opt_name
= "romfile",
291 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
295 .type
= QEMU_OPT_NUMBER
,
298 .type
= QEMU_OPT_STRING
,
300 { /* end of list */ }
304 static QemuOptsList qemu_machine_opts
= {
306 .implied_opt_name
= "type",
308 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
319 static QemuOptsList qemu_boot_opts
= {
321 .implied_opt_name
= "order",
323 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
327 .type
= QEMU_OPT_STRING
,
330 .type
= QEMU_OPT_STRING
,
333 .type
= QEMU_OPT_BOOL
,
336 .type
= QEMU_OPT_STRING
,
338 .name
= "splash-time",
339 .type
= QEMU_OPT_STRING
,
341 .name
= "reboot-timeout",
342 .type
= QEMU_OPT_STRING
,
345 .type
= QEMU_OPT_BOOL
,
351 static QemuOptsList qemu_add_fd_opts
= {
353 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
357 .type
= QEMU_OPT_NUMBER
,
358 .help
= "file descriptor of which a duplicate is added to fd set",
361 .type
= QEMU_OPT_NUMBER
,
362 .help
= "ID of the fd set to add fd to",
365 .type
= QEMU_OPT_STRING
,
366 .help
= "free-form string used to describe fd",
368 { /* end of list */ }
372 static QemuOptsList qemu_object_opts
= {
374 .implied_opt_name
= "qom-type",
375 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
381 static QemuOptsList qemu_tpmdev_opts
= {
383 .implied_opt_name
= "type",
384 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
391 static QemuOptsList qemu_realtime_opts
= {
393 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
397 .type
= QEMU_OPT_BOOL
,
399 { /* end of list */ }
403 static QemuOptsList qemu_msg_opts
= {
405 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
409 .type
= QEMU_OPT_BOOL
,
411 { /* end of list */ }
415 static QemuOptsList qemu_name_opts
= {
417 .implied_opt_name
= "guest",
419 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
423 .type
= QEMU_OPT_STRING
,
424 .help
= "Sets the name of the guest.\n"
425 "This name will be displayed in the SDL window caption.\n"
426 "The name will also be used for the VNC server",
429 .type
= QEMU_OPT_STRING
,
430 .help
= "Sets the name of the QEMU process, as shown in top etc",
432 .name
= "debug-threads",
433 .type
= QEMU_OPT_BOOL
,
434 .help
= "When enabled, name the individual threads; defaults off.\n"
435 "NOTE: The thread names are for debugging and not a\n"
438 { /* End of list */ }
442 static QemuOptsList qemu_mem_opts
= {
444 .implied_opt_name
= "size",
445 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
450 .type
= QEMU_OPT_SIZE
,
454 .type
= QEMU_OPT_NUMBER
,
458 .type
= QEMU_OPT_SIZE
,
460 { /* end of list */ }
464 static QemuOptsList qemu_icount_opts
= {
466 .implied_opt_name
= "shift",
468 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
472 .type
= QEMU_OPT_STRING
,
475 .type
= QEMU_OPT_BOOL
,
478 .type
= QEMU_OPT_BOOL
,
481 .type
= QEMU_OPT_STRING
,
484 .type
= QEMU_OPT_STRING
,
486 { /* end of list */ }
490 static QemuOptsList qemu_semihosting_config_opts
= {
491 .name
= "semihosting-config",
492 .implied_opt_name
= "enable",
493 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
497 .type
= QEMU_OPT_BOOL
,
500 .type
= QEMU_OPT_STRING
,
503 .type
= QEMU_OPT_STRING
,
505 { /* end of list */ }
509 static QemuOptsList qemu_fw_cfg_opts
= {
511 .implied_opt_name
= "name",
512 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
516 .type
= QEMU_OPT_STRING
,
517 .help
= "Sets the fw_cfg name of the blob to be inserted",
520 .type
= QEMU_OPT_STRING
,
521 .help
= "Sets the name of the file from which\n"
522 "the fw_cfg blob will be loaded",
525 .type
= QEMU_OPT_STRING
,
526 .help
= "Sets content of the blob to be inserted from a string",
528 { /* end of list */ }
533 * Get machine options
535 * Returns: machine options (never null).
537 QemuOpts
*qemu_get_machine_opts(void)
539 return qemu_find_opts_singleton("machine");
542 const char *qemu_get_vm_name(void)
547 static void res_free(void)
549 g_free(boot_splash_filedata
);
550 boot_splash_filedata
= NULL
;
553 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
555 const char *driver
= qemu_opt_get(opts
, "driver");
560 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
561 if (strcmp(default_list
[i
].driver
, driver
) != 0)
563 *(default_list
[i
].flag
) = 0;
568 /***********************************************************/
571 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
573 /* We use RUN_STATE__MAX but any invalid value will do */
574 static RunState vmstop_requested
= RUN_STATE__MAX
;
575 static QemuMutex vmstop_lock
;
580 } RunStateTransition
;
582 static const RunStateTransition runstate_transitions_def
[] = {
584 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
585 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
588 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
600 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
601 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
604 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
605 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
608 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
609 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
612 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
613 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
616 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
617 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
618 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
620 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
621 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
622 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
624 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
625 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
627 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
628 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
629 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
630 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
631 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
632 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
633 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
634 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
635 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
636 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
638 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
640 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
641 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
642 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
644 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
645 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
646 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
647 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
648 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
650 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
651 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
652 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
654 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
655 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
656 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
658 { RUN_STATE__MAX
, RUN_STATE__MAX
},
661 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
663 bool runstate_check(RunState state
)
665 return current_run_state
== state
;
668 bool runstate_store(char *str
, size_t size
)
670 const char *state
= RunState_lookup
[current_run_state
];
671 size_t len
= strlen(state
) + 1;
676 memcpy(str
, state
, len
);
680 static void runstate_init(void)
682 const RunStateTransition
*p
;
684 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
685 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
686 runstate_valid_transitions
[p
->from
][p
->to
] = true;
689 qemu_mutex_init(&vmstop_lock
);
692 /* This function will abort() on invalid state transitions */
693 void runstate_set(RunState new_state
)
695 assert(new_state
< RUN_STATE__MAX
);
697 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
698 error_report("invalid runstate transition: '%s' -> '%s'",
699 RunState_lookup
[current_run_state
],
700 RunState_lookup
[new_state
]);
703 trace_runstate_set(new_state
);
704 current_run_state
= new_state
;
707 int runstate_is_running(void)
709 return runstate_check(RUN_STATE_RUNNING
);
712 bool runstate_needs_reset(void)
714 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
715 runstate_check(RUN_STATE_SHUTDOWN
);
718 StatusInfo
*qmp_query_status(Error
**errp
)
720 StatusInfo
*info
= g_malloc0(sizeof(*info
));
722 info
->running
= runstate_is_running();
723 info
->singlestep
= singlestep
;
724 info
->status
= current_run_state
;
729 static bool qemu_vmstop_requested(RunState
*r
)
731 qemu_mutex_lock(&vmstop_lock
);
732 *r
= vmstop_requested
;
733 vmstop_requested
= RUN_STATE__MAX
;
734 qemu_mutex_unlock(&vmstop_lock
);
735 return *r
< RUN_STATE__MAX
;
738 void qemu_system_vmstop_request_prepare(void)
740 qemu_mutex_lock(&vmstop_lock
);
743 void qemu_system_vmstop_request(RunState state
)
745 vmstop_requested
= state
;
746 qemu_mutex_unlock(&vmstop_lock
);
754 qemu_vmstop_requested(&requested
);
755 if (runstate_is_running() && requested
== RUN_STATE__MAX
) {
759 /* Ensure that a STOP/RESUME pair of events is emitted if a
760 * vmstop request was pending. The BLOCK_IO_ERROR event, for
761 * example, according to documentation is always followed by
764 if (runstate_is_running()) {
765 qapi_event_send_stop(&error_abort
);
768 runstate_set(RUN_STATE_RUNNING
);
769 vm_state_notify(1, RUN_STATE_RUNNING
);
773 qapi_event_send_resume(&error_abort
);
777 /***********************************************************/
778 /* real time host monotonic timer */
780 static time_t qemu_time(void)
782 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
785 /***********************************************************/
786 /* host time/date access */
787 void qemu_get_timedate(struct tm
*tm
, int offset
)
789 time_t ti
= qemu_time();
792 if (rtc_date_offset
== -1) {
796 localtime_r(&ti
, tm
);
798 ti
-= rtc_date_offset
;
803 int qemu_timedate_diff(struct tm
*tm
)
807 if (rtc_date_offset
== -1)
809 seconds
= mktimegm(tm
);
812 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
813 seconds
= mktime(&tmp
);
816 seconds
= mktimegm(tm
) + rtc_date_offset
;
818 return seconds
- qemu_time();
821 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
823 time_t rtc_start_date
;
826 if (!strcmp(startdate
, "now") && legacy
) {
827 rtc_date_offset
= -1;
829 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
837 } else if (sscanf(startdate
, "%d-%d-%d",
849 rtc_start_date
= mktimegm(&tm
);
850 if (rtc_start_date
== -1) {
852 error_report("invalid date format");
853 error_printf("valid formats: "
854 "'2006-06-17T16:01:21' or '2006-06-17'\n");
857 rtc_date_offset
= qemu_time() - rtc_start_date
;
861 static void configure_rtc(QemuOpts
*opts
)
865 value
= qemu_opt_get(opts
, "base");
867 if (!strcmp(value
, "utc")) {
869 } else if (!strcmp(value
, "localtime")) {
870 Error
*blocker
= NULL
;
872 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
873 "-rtc base=localtime");
874 replay_add_blocker(blocker
);
876 configure_rtc_date_offset(value
, 0);
879 value
= qemu_opt_get(opts
, "clock");
881 if (!strcmp(value
, "host")) {
882 rtc_clock
= QEMU_CLOCK_HOST
;
883 } else if (!strcmp(value
, "rt")) {
884 rtc_clock
= QEMU_CLOCK_REALTIME
;
885 } else if (!strcmp(value
, "vm")) {
886 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
888 error_report("invalid option value '%s'", value
);
892 value
= qemu_opt_get(opts
, "driftfix");
894 if (!strcmp(value
, "slew")) {
895 static GlobalProperty slew_lost_ticks
[] = {
897 .driver
= "mc146818rtc",
898 .property
= "lost_tick_policy",
901 { /* end of list */ }
904 qdev_prop_register_global_list(slew_lost_ticks
);
905 } else if (!strcmp(value
, "none")) {
906 /* discard is default */
908 error_report("invalid option value '%s'", value
);
914 /***********************************************************/
915 /* Bluetooth support */
918 static struct HCIInfo
*hci_table
[MAX_NICS
];
920 struct HCIInfo
*qemu_next_hci(void)
922 if (cur_hci
== nb_hcis
)
925 return hci_table
[cur_hci
++];
928 static int bt_hci_parse(const char *str
)
933 if (nb_hcis
>= MAX_NICS
) {
934 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
947 bdaddr
.b
[5] = 0x56 + nb_hcis
;
948 hci
->bdaddr_set(hci
, bdaddr
.b
);
950 hci_table
[nb_hcis
++] = hci
;
955 static void bt_vhci_add(int vlan_id
)
957 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
960 error_report("warning: adding a VHCI to an empty scatternet %i",
963 bt_vhci_init(bt_new_hci(vlan
));
966 static struct bt_device_s
*bt_device_add(const char *opt
)
968 struct bt_scatternet_s
*vlan
;
970 char *endp
= strstr(opt
, ",vlan=");
971 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
974 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
977 vlan_id
= strtol(endp
+ 6, &endp
, 0);
979 error_report("unrecognised bluetooth vlan Id");
984 vlan
= qemu_find_bt_vlan(vlan_id
);
987 error_report("warning: adding a slave device to an empty scatternet %i",
990 if (!strcmp(devname
, "keyboard"))
991 return bt_keyboard_init(vlan
);
993 error_report("unsupported bluetooth device '%s'", devname
);
997 static int bt_parse(const char *opt
)
999 const char *endp
, *p
;
1002 if (strstart(opt
, "hci", &endp
)) {
1003 if (!*endp
|| *endp
== ',') {
1005 if (!strstart(endp
, ",vlan=", 0))
1008 return bt_hci_parse(opt
);
1010 } else if (strstart(opt
, "vhci", &endp
)) {
1011 if (!*endp
|| *endp
== ',') {
1013 if (strstart(endp
, ",vlan=", &p
)) {
1014 vlan
= strtol(p
, (char **) &endp
, 0);
1016 error_report("bad scatternet '%s'", p
);
1020 error_report("bad parameter '%s'", endp
+ 1);
1029 } else if (strstart(opt
, "device:", &endp
))
1030 return !bt_device_add(endp
);
1032 error_report("bad bluetooth parameter '%s'", opt
);
1036 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1038 /* FIXME: change this to true for 1.3 */
1039 if (qemu_opt_get_bool(opts
, "enable", false)) {
1040 #ifdef CONFIG_SECCOMP
1041 if (seccomp_start() < 0) {
1042 error_report("failed to install seccomp syscall filter "
1047 error_report("seccomp support is disabled");
1055 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1057 const char *proc_name
;
1059 if (qemu_opt_get(opts
, "debug-threads")) {
1060 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1062 qemu_name
= qemu_opt_get(opts
, "guest");
1064 proc_name
= qemu_opt_get(opts
, "process");
1066 os_set_proc_name(proc_name
);
1072 bool defaults_enabled(void)
1074 return has_defaults
;
1077 bool usb_enabled(void)
1079 return machine_usb(current_machine
);
1083 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1085 int fd
, dupfd
, flags
;
1087 const char *fd_opaque
= NULL
;
1090 fd
= qemu_opt_get_number(opts
, "fd", -1);
1091 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1092 fd_opaque
= qemu_opt_get(opts
, "opaque");
1095 error_report("fd option is required and must be non-negative");
1099 if (fd
<= STDERR_FILENO
) {
1100 error_report("fd cannot be a standard I/O stream");
1105 * All fds inherited across exec() necessarily have FD_CLOEXEC
1106 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 flags
= fcntl(fd
, F_GETFD
);
1109 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1110 error_report("fd is not valid or already in use");
1115 error_report("set option is required and must be non-negative");
1119 #ifdef F_DUPFD_CLOEXEC
1120 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1124 qemu_set_cloexec(dupfd
);
1128 error_report("error duplicating fd: %s", strerror(errno
));
1132 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1133 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1140 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1144 fd
= qemu_opt_get_number(opts
, "fd", -1);
1151 /***********************************************************/
1152 /* QEMU Block devices */
1154 #define HD_OPTS "media=disk"
1155 #define CDROM_OPTS "media=cdrom"
1157 #define PFLASH_OPTS ""
1161 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1163 BlockInterfaceType
*block_default_type
= opaque
;
1165 return drive_new(opts
, *block_default_type
) == NULL
;
1168 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1170 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1171 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1176 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1177 int index
, const char *optstr
)
1182 if (!enable
|| drive_get_by_index(type
, index
)) {
1186 opts
= drive_add(type
, index
, NULL
, optstr
);
1188 drive_enable_snapshot(NULL
, opts
, NULL
);
1191 dinfo
= drive_new(opts
, type
);
1195 dinfo
->is_default
= true;
1199 static QemuOptsList qemu_smp_opts
= {
1201 .implied_opt_name
= "cpus",
1202 .merge_lists
= true,
1203 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1207 .type
= QEMU_OPT_NUMBER
,
1210 .type
= QEMU_OPT_NUMBER
,
1213 .type
= QEMU_OPT_NUMBER
,
1216 .type
= QEMU_OPT_NUMBER
,
1219 .type
= QEMU_OPT_NUMBER
,
1221 { /*End of list */ }
1225 static void smp_parse(QemuOpts
*opts
)
1229 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1230 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1231 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1232 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1234 /* compute missing values, prefer sockets over cores over threads */
1235 if (cpus
== 0 || sockets
== 0) {
1236 sockets
= sockets
> 0 ? sockets
: 1;
1237 cores
= cores
> 0 ? cores
: 1;
1238 threads
= threads
> 0 ? threads
: 1;
1240 cpus
= cores
* threads
* sockets
;
1242 } else if (cores
== 0) {
1243 threads
= threads
> 0 ? threads
: 1;
1244 cores
= cpus
/ (sockets
* threads
);
1245 } else if (threads
== 0) {
1246 threads
= cpus
/ (cores
* sockets
);
1247 } else if (sockets
* cores
* threads
< cpus
) {
1248 error_report("cpu topology: "
1249 "sockets (%u) * cores (%u) * threads (%u) < "
1251 sockets
, cores
, threads
, cpus
);
1255 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1256 if (sockets
* cores
* threads
> max_cpus
) {
1257 error_report("cpu topology: "
1258 "sockets (%u) * cores (%u) * threads (%u) > "
1260 sockets
, cores
, threads
, max_cpus
);
1265 smp_cores
= cores
> 0 ? cores
: 1;
1266 smp_threads
= threads
> 0 ? threads
: 1;
1270 if (max_cpus
== 0) {
1271 max_cpus
= smp_cpus
;
1274 if (max_cpus
> MAX_CPUMASK_BITS
) {
1275 error_report("unsupported number of maxcpus");
1278 if (max_cpus
< smp_cpus
) {
1279 error_report("maxcpus must be equal to or greater than smp");
1283 if (smp_cpus
> 1 || smp_cores
> 1 || smp_threads
> 1) {
1284 Error
*blocker
= NULL
;
1285 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1286 replay_add_blocker(blocker
);
1290 static void realtime_init(void)
1293 if (os_mlock() < 0) {
1294 error_report("locking memory failed");
1301 static void configure_msg(QemuOpts
*opts
)
1303 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1306 /***********************************************************/
1309 typedef struct SemihostingConfig
{
1311 SemihostingTarget target
;
1314 const char *cmdline
; /* concatenated argv */
1315 } SemihostingConfig
;
1317 static SemihostingConfig semihosting
;
1319 bool semihosting_enabled(void)
1321 return semihosting
.enabled
;
1324 SemihostingTarget
semihosting_get_target(void)
1326 return semihosting
.target
;
1329 const char *semihosting_get_arg(int i
)
1331 if (i
>= semihosting
.argc
) {
1334 return semihosting
.argv
[i
];
1337 int semihosting_get_argc(void)
1339 return semihosting
.argc
;
1342 const char *semihosting_get_cmdline(void)
1344 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1345 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1347 return semihosting
.cmdline
;
1350 static int add_semihosting_arg(void *opaque
,
1351 const char *name
, const char *val
,
1354 SemihostingConfig
*s
= opaque
;
1355 if (strcmp(name
, "arg") == 0) {
1357 /* one extra element as g_strjoinv() expects NULL-terminated array */
1358 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1359 s
->argv
[s
->argc
- 1] = val
;
1360 s
->argv
[s
->argc
] = NULL
;
1365 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1366 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1371 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1373 /* split -append and initialize argv[1..n] */
1374 cmd_token
= strtok(g_strdup(cmd
), " ");
1376 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1377 cmd_token
= strtok(NULL
, " ");
1381 /* Now we still need this for compatibility with XEN. */
1382 bool has_igd_gfx_passthru
;
1383 static void igd_gfx_passthru(void)
1385 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1388 /***********************************************************/
1391 static int usb_device_add(const char *devname
)
1393 USBDevice
*dev
= NULL
;
1394 #ifndef CONFIG_LINUX
1398 if (!usb_enabled()) {
1402 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1403 dev
= usbdevice_create(devname
);
1407 /* the other ones */
1408 #ifndef CONFIG_LINUX
1409 /* only the linux version is qdev-ified, usb-bsd still needs this */
1410 if (strstart(devname
, "host:", &p
)) {
1411 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1421 static int usb_device_del(const char *devname
)
1426 if (strstart(devname
, "host:", &p
)) {
1430 if (!usb_enabled()) {
1434 p
= strchr(devname
, '.');
1437 bus_num
= strtoul(devname
, NULL
, 0);
1438 addr
= strtoul(p
+ 1, NULL
, 0);
1440 return usb_device_delete_addr(bus_num
, addr
);
1443 static int usb_parse(const char *cmdline
)
1446 r
= usb_device_add(cmdline
);
1448 error_report("could not add USB device '%s'", cmdline
);
1453 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1455 const char *devname
= qdict_get_str(qdict
, "devname");
1456 if (usb_device_add(devname
) < 0) {
1457 error_report("could not add USB device '%s'", devname
);
1461 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1463 const char *devname
= qdict_get_str(qdict
, "devname");
1464 if (usb_device_del(devname
) < 0) {
1465 error_report("could not delete USB device '%s'", devname
);
1469 /***********************************************************/
1470 /* machine registration */
1472 MachineState
*current_machine
;
1474 static MachineClass
*find_machine(const char *name
)
1476 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1477 MachineClass
*mc
= NULL
;
1479 for (el
= machines
; el
; el
= el
->next
) {
1480 MachineClass
*temp
= el
->data
;
1482 if (!strcmp(temp
->name
, name
)) {
1487 !strcmp(temp
->alias
, name
)) {
1493 g_slist_free(machines
);
1497 MachineClass
*find_default_machine(void)
1499 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1500 MachineClass
*mc
= NULL
;
1502 for (el
= machines
; el
; el
= el
->next
) {
1503 MachineClass
*temp
= el
->data
;
1505 if (temp
->is_default
) {
1511 g_slist_free(machines
);
1515 MachineInfoList
*qmp_query_machines(Error
**errp
)
1517 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1518 MachineInfoList
*mach_list
= NULL
;
1520 for (el
= machines
; el
; el
= el
->next
) {
1521 MachineClass
*mc
= el
->data
;
1522 MachineInfoList
*entry
;
1525 info
= g_malloc0(sizeof(*info
));
1526 if (mc
->is_default
) {
1527 info
->has_is_default
= true;
1528 info
->is_default
= true;
1532 info
->has_alias
= true;
1533 info
->alias
= g_strdup(mc
->alias
);
1536 info
->name
= g_strdup(mc
->name
);
1537 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1539 entry
= g_malloc0(sizeof(*entry
));
1540 entry
->value
= info
;
1541 entry
->next
= mach_list
;
1545 g_slist_free(machines
);
1549 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1551 ObjectProperty
*prop
;
1552 ObjectPropertyIterator iter
;
1554 if (!qemu_opt_has_help_opt(opts
)) {
1558 object_property_iter_init(&iter
, OBJECT(machine
));
1559 while ((prop
= object_property_iter_next(&iter
))) {
1564 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1565 prop
->name
, prop
->type
);
1566 if (prop
->description
) {
1567 error_printf(" (%s)\n", prop
->description
);
1576 /***********************************************************/
1577 /* main execution loop */
1579 struct vm_change_state_entry
{
1580 VMChangeStateHandler
*cb
;
1582 QLIST_ENTRY (vm_change_state_entry
) entries
;
1585 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1587 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1590 VMChangeStateEntry
*e
;
1592 e
= g_malloc0(sizeof (*e
));
1596 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1600 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1602 QLIST_REMOVE (e
, entries
);
1606 void vm_state_notify(int running
, RunState state
)
1608 VMChangeStateEntry
*e
, *next
;
1610 trace_vm_state_notify(running
, state
);
1612 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1613 e
->cb(e
->opaque
, running
, state
);
1617 /* reset/shutdown handler */
1619 typedef struct QEMUResetEntry
{
1620 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1621 QEMUResetHandler
*func
;
1625 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1626 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1627 static int reset_requested
;
1628 static int shutdown_requested
, shutdown_signal
= -1;
1629 static pid_t shutdown_pid
;
1630 static int powerdown_requested
;
1631 static int debug_requested
;
1632 static int suspend_requested
;
1633 static WakeupReason wakeup_reason
;
1634 static NotifierList powerdown_notifiers
=
1635 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1636 static NotifierList suspend_notifiers
=
1637 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1638 static NotifierList wakeup_notifiers
=
1639 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1640 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1642 int qemu_shutdown_requested_get(void)
1644 return shutdown_requested
;
1647 int qemu_reset_requested_get(void)
1649 return reset_requested
;
1652 static int qemu_shutdown_requested(void)
1654 return atomic_xchg(&shutdown_requested
, 0);
1657 static void qemu_kill_report(void)
1659 if (!qtest_driver() && shutdown_signal
!= -1) {
1660 if (shutdown_pid
== 0) {
1661 /* This happens for eg ^C at the terminal, so it's worth
1662 * avoiding printing an odd message in that case.
1664 error_report("terminating on signal %d", shutdown_signal
);
1666 error_report("terminating on signal %d from pid " FMT_pid
,
1667 shutdown_signal
, shutdown_pid
);
1669 shutdown_signal
= -1;
1673 static int qemu_reset_requested(void)
1675 int r
= reset_requested
;
1676 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1677 reset_requested
= 0;
1683 static int qemu_suspend_requested(void)
1685 int r
= suspend_requested
;
1686 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1687 suspend_requested
= 0;
1693 static WakeupReason
qemu_wakeup_requested(void)
1695 return wakeup_reason
;
1698 static int qemu_powerdown_requested(void)
1700 int r
= powerdown_requested
;
1701 powerdown_requested
= 0;
1705 static int qemu_debug_requested(void)
1707 int r
= debug_requested
;
1708 debug_requested
= 0;
1712 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1714 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1717 re
->opaque
= opaque
;
1718 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1721 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1725 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1726 if (re
->func
== func
&& re
->opaque
== opaque
) {
1727 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1734 void qemu_devices_reset(void)
1736 QEMUResetEntry
*re
, *nre
;
1738 /* reset all devices */
1739 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1740 re
->func(re
->opaque
);
1744 void qemu_system_reset(bool report
)
1748 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1750 cpu_synchronize_all_states();
1752 if (mc
&& mc
->reset
) {
1755 qemu_devices_reset();
1758 qapi_event_send_reset(&error_abort
);
1760 cpu_synchronize_all_post_reset();
1763 void qemu_system_guest_panicked(void)
1766 current_cpu
->crash_occurred
= true;
1768 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1769 vm_stop(RUN_STATE_GUEST_PANICKED
);
1772 void qemu_system_reset_request(void)
1775 shutdown_requested
= 1;
1777 reset_requested
= 1;
1780 qemu_notify_event();
1783 static void qemu_system_suspend(void)
1786 notifier_list_notify(&suspend_notifiers
, NULL
);
1787 runstate_set(RUN_STATE_SUSPENDED
);
1788 qapi_event_send_suspend(&error_abort
);
1791 void qemu_system_suspend_request(void)
1793 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1796 suspend_requested
= 1;
1798 qemu_notify_event();
1801 void qemu_register_suspend_notifier(Notifier
*notifier
)
1803 notifier_list_add(&suspend_notifiers
, notifier
);
1806 void qemu_system_wakeup_request(WakeupReason reason
)
1808 trace_system_wakeup_request(reason
);
1810 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1813 if (!(wakeup_reason_mask
& (1 << reason
))) {
1816 runstate_set(RUN_STATE_RUNNING
);
1817 wakeup_reason
= reason
;
1818 qemu_notify_event();
1821 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1824 wakeup_reason_mask
|= (1 << reason
);
1826 wakeup_reason_mask
&= ~(1 << reason
);
1830 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1832 notifier_list_add(&wakeup_notifiers
, notifier
);
1835 void qemu_system_killed(int signal
, pid_t pid
)
1837 shutdown_signal
= signal
;
1841 /* Cannot call qemu_system_shutdown_request directly because
1842 * we are in a signal handler.
1844 shutdown_requested
= 1;
1845 qemu_notify_event();
1848 void qemu_system_shutdown_request(void)
1850 trace_qemu_system_shutdown_request();
1851 replay_shutdown_request();
1852 shutdown_requested
= 1;
1853 qemu_notify_event();
1856 static void qemu_system_powerdown(void)
1858 qapi_event_send_powerdown(&error_abort
);
1859 notifier_list_notify(&powerdown_notifiers
, NULL
);
1862 void qemu_system_powerdown_request(void)
1864 trace_qemu_system_powerdown_request();
1865 powerdown_requested
= 1;
1866 qemu_notify_event();
1869 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1871 notifier_list_add(&powerdown_notifiers
, notifier
);
1874 void qemu_system_debug_request(void)
1876 debug_requested
= 1;
1877 qemu_notify_event();
1880 static bool main_loop_should_exit(void)
1883 if (qemu_debug_requested()) {
1884 vm_stop(RUN_STATE_DEBUG
);
1886 if (qemu_suspend_requested()) {
1887 qemu_system_suspend();
1889 if (qemu_shutdown_requested()) {
1891 qapi_event_send_shutdown(&error_abort
);
1893 vm_stop(RUN_STATE_SHUTDOWN
);
1898 if (qemu_reset_requested()) {
1900 qemu_system_reset(VMRESET_REPORT
);
1902 if (!runstate_check(RUN_STATE_RUNNING
) &&
1903 !runstate_check(RUN_STATE_INMIGRATE
)) {
1904 runstate_set(RUN_STATE_PRELAUNCH
);
1907 if (qemu_wakeup_requested()) {
1909 qemu_system_reset(VMRESET_SILENT
);
1910 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1911 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1913 qapi_event_send_wakeup(&error_abort
);
1915 if (qemu_powerdown_requested()) {
1916 qemu_system_powerdown();
1918 if (qemu_vmstop_requested(&r
)) {
1924 static void main_loop(void)
1928 #ifdef CONFIG_PROFILER
1932 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1933 #ifdef CONFIG_PROFILER
1934 ti
= profile_getclock();
1936 last_io
= main_loop_wait(nonblocking
);
1937 #ifdef CONFIG_PROFILER
1938 dev_time
+= profile_getclock() - ti
;
1940 } while (!main_loop_should_exit());
1943 static void version(void)
1945 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1948 static void help(int exitcode
)
1951 printf("usage: %s [options] [disk_image]\n\n"
1952 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1953 error_get_progname());
1955 #define QEMU_OPTIONS_GENERATE_HELP
1956 #include "qemu-options-wrapper.h"
1958 printf("\nDuring emulation, the following keys are useful:\n"
1959 "ctrl-alt-f toggle full screen\n"
1960 "ctrl-alt-n switch to virtual console 'n'\n"
1961 "ctrl-alt toggle mouse and keyboard grab\n"
1963 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1968 #define HAS_ARG 0x0001
1970 typedef struct QEMUOption
{
1977 static const QEMUOption qemu_options
[] = {
1978 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1979 #define QEMU_OPTIONS_GENERATE_OPTIONS
1980 #include "qemu-options-wrapper.h"
1984 typedef struct VGAInterfaceInfo
{
1985 const char *opt_name
; /* option name */
1986 const char *name
; /* human-readable name */
1987 /* Class names indicating that support is available.
1988 * If no class is specified, the interface is always available */
1989 const char *class_names
[2];
1992 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1998 .name
= "standard VGA",
1999 .class_names
= { "VGA", "isa-vga" },
2002 .opt_name
= "cirrus",
2003 .name
= "Cirrus VGA",
2004 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2007 .opt_name
= "vmware",
2008 .name
= "VMWare SVGA",
2009 .class_names
= { "vmware-svga" },
2012 .opt_name
= "virtio",
2013 .name
= "Virtio VGA",
2014 .class_names
= { "virtio-vga" },
2019 .class_names
= { "qxl-vga" },
2023 .name
= "TCX framebuffer",
2024 .class_names
= { "SUNW,tcx" },
2028 .name
= "CG3 framebuffer",
2029 .class_names
= { "cgthree" },
2032 .opt_name
= "xenfb",
2036 static bool vga_interface_available(VGAInterfaceType t
)
2038 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2040 assert(t
< VGA_TYPE_MAX
);
2041 return !ti
->class_names
[0] ||
2042 object_class_by_name(ti
->class_names
[0]) ||
2043 object_class_by_name(ti
->class_names
[1]);
2046 static void select_vgahw(const char *p
)
2051 assert(vga_interface_type
== VGA_NONE
);
2052 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2053 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2054 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2055 if (!vga_interface_available(t
)) {
2056 error_report("%s not available", ti
->name
);
2059 vga_interface_type
= t
;
2063 if (t
== VGA_TYPE_MAX
) {
2065 error_report("unknown vga type: %s", p
);
2069 const char *nextopt
;
2071 if (strstart(opts
, ",retrace=", &nextopt
)) {
2073 if (strstart(opts
, "dumb", &nextopt
))
2074 vga_retrace_method
= VGA_RETRACE_DUMB
;
2075 else if (strstart(opts
, "precise", &nextopt
))
2076 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2077 else goto invalid_vga
;
2078 } else goto invalid_vga
;
2083 static DisplayType
select_display(const char *p
)
2086 DisplayType display
= DT_DEFAULT
;
2088 if (strstart(p
, "sdl", &opts
)) {
2092 const char *nextopt
;
2094 if (strstart(opts
, ",frame=", &nextopt
)) {
2096 if (strstart(opts
, "on", &nextopt
)) {
2098 } else if (strstart(opts
, "off", &nextopt
)) {
2101 goto invalid_sdl_args
;
2103 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2105 if (strstart(opts
, "on", &nextopt
)) {
2107 } else if (strstart(opts
, "off", &nextopt
)) {
2110 goto invalid_sdl_args
;
2112 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2114 if (strstart(opts
, "on", &nextopt
)) {
2116 } else if (strstart(opts
, "off", &nextopt
)) {
2119 goto invalid_sdl_args
;
2121 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2123 if (strstart(opts
, "on", &nextopt
)) {
2125 } else if (strstart(opts
, "off", &nextopt
)) {
2128 goto invalid_sdl_args
;
2130 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2132 if (strstart(opts
, "on", &nextopt
)) {
2134 } else if (strstart(opts
, "off", &nextopt
)) {
2137 goto invalid_sdl_args
;
2141 error_report("invalid SDL option string");
2147 error_report("SDL support is disabled");
2150 } else if (strstart(p
, "vnc", &opts
)) {
2153 if (vnc_parse(opts
+ 1, &err
) == NULL
) {
2154 error_report_err(err
);
2158 error_report("VNC requires a display argument vnc=<display>");
2161 } else if (strstart(p
, "curses", &opts
)) {
2162 #ifdef CONFIG_CURSES
2163 display
= DT_CURSES
;
2165 error_report("curses support is disabled");
2168 } else if (strstart(p
, "gtk", &opts
)) {
2172 const char *nextopt
;
2174 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2176 if (strstart(opts
, "on", &nextopt
)) {
2177 grab_on_hover
= true;
2178 } else if (strstart(opts
, "off", &nextopt
)) {
2179 grab_on_hover
= false;
2181 goto invalid_gtk_args
;
2183 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2185 if (strstart(opts
, "on", &nextopt
)) {
2187 } else if (strstart(opts
, "off", &nextopt
)) {
2190 goto invalid_gtk_args
;
2194 error_report("invalid GTK option string");
2200 error_report("GTK support is disabled");
2203 } else if (strstart(p
, "none", &opts
)) {
2206 error_report("unknown display type");
2213 static int balloon_parse(const char *arg
)
2217 if (strcmp(arg
, "none") == 0) {
2221 if (!strncmp(arg
, "virtio", 6)) {
2222 if (arg
[6] == ',') {
2223 /* have params -> parse them */
2224 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2229 /* create empty opts */
2230 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2233 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2240 char *qemu_find_file(int type
, const char *name
)
2246 /* Try the name as a straight path first */
2247 if (access(name
, R_OK
) == 0) {
2248 trace_load_file(name
, name
);
2249 return g_strdup(name
);
2253 case QEMU_FILE_TYPE_BIOS
:
2256 case QEMU_FILE_TYPE_KEYMAP
:
2257 subdir
= "keymaps/";
2263 for (i
= 0; i
< data_dir_idx
; i
++) {
2264 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2265 if (access(buf
, R_OK
) == 0) {
2266 trace_load_file(name
, buf
);
2274 static inline bool nonempty_str(const char *str
)
2279 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2283 const char *name
, *file
, *str
;
2284 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2286 if (fw_cfg
== NULL
) {
2287 error_report("fw_cfg device not available");
2290 name
= qemu_opt_get(opts
, "name");
2291 file
= qemu_opt_get(opts
, "file");
2292 str
= qemu_opt_get(opts
, "string");
2294 /* we need name and either a file or the content string */
2295 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2296 error_report("invalid argument(s)");
2299 if (nonempty_str(file
) && nonempty_str(str
)) {
2300 error_report("file and string are mutually exclusive");
2303 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2304 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2307 if (strncmp(name
, "opt/", 4) != 0) {
2308 error_report("warning: externally provided fw_cfg item names "
2309 "should be prefixed with \"opt/\"");
2311 if (nonempty_str(str
)) {
2312 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2313 buf
= g_memdup(str
, size
);
2315 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2316 error_report("can't load %s", file
);
2320 /* For legacy, keep user files in a specific global order. */
2321 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2322 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2323 fw_cfg_reset_order_override(fw_cfg
);
2327 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2329 return qdev_device_help(opts
);
2332 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2337 dev
= qdev_device_add(opts
, &err
);
2339 error_report_err(err
);
2342 object_unref(OBJECT(dev
));
2346 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2348 Error
*local_err
= NULL
;
2350 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2352 error_report_err(local_err
);
2358 #ifdef CONFIG_VIRTFS
2359 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2362 ret
= qemu_fsdev_add(opts
);
2368 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2370 CharDriverState
*chr
;
2371 const char *chardev
;
2375 mode
= qemu_opt_get(opts
, "mode");
2379 if (strcmp(mode
, "readline") == 0) {
2380 flags
= MONITOR_USE_READLINE
;
2381 } else if (strcmp(mode
, "control") == 0) {
2382 flags
= MONITOR_USE_CONTROL
;
2384 error_report("unknown monitor mode \"%s\"", mode
);
2388 if (qemu_opt_get_bool(opts
, "pretty", 0))
2389 flags
|= MONITOR_USE_PRETTY
;
2391 if (qemu_opt_get_bool(opts
, "default", 0))
2392 flags
|= MONITOR_IS_DEFAULT
;
2394 chardev
= qemu_opt_get(opts
, "chardev");
2395 chr
= qemu_chr_find(chardev
);
2397 error_report("chardev \"%s\" not found", chardev
);
2401 qemu_chr_fe_claim_no_fail(chr
);
2402 monitor_init(chr
, flags
);
2406 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2408 static int monitor_device_index
= 0;
2409 Error
*local_err
= NULL
;
2415 if (strstart(optarg
, "chardev:", &p
)) {
2416 snprintf(label
, sizeof(label
), "%s", p
);
2418 snprintf(label
, sizeof(label
), "compat_monitor%d",
2419 monitor_device_index
);
2420 if (monitor_device_index
== 0) {
2423 opts
= qemu_chr_parse_compat(label
, optarg
);
2425 error_report("parse error: %s", optarg
);
2430 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2432 error_report_err(local_err
);
2435 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2436 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2437 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2439 qemu_opt_set(opts
, "default", "on", &error_abort
);
2440 monitor_device_index
++;
2443 struct device_config
{
2445 DEV_USB
, /* -usbdevice */
2447 DEV_SERIAL
, /* -serial */
2448 DEV_PARALLEL
, /* -parallel */
2449 DEV_VIRTCON
, /* -virtioconsole */
2450 DEV_DEBUGCON
, /* -debugcon */
2451 DEV_GDB
, /* -gdb, -s */
2452 DEV_SCLP
, /* s390 sclp */
2454 const char *cmdline
;
2456 QTAILQ_ENTRY(device_config
) next
;
2459 static QTAILQ_HEAD(, device_config
) device_configs
=
2460 QTAILQ_HEAD_INITIALIZER(device_configs
);
2462 static void add_device_config(int type
, const char *cmdline
)
2464 struct device_config
*conf
;
2466 conf
= g_malloc0(sizeof(*conf
));
2468 conf
->cmdline
= cmdline
;
2469 loc_save(&conf
->loc
);
2470 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2473 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2475 struct device_config
*conf
;
2478 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2479 if (conf
->type
!= type
)
2481 loc_push_restore(&conf
->loc
);
2482 rc
= func(conf
->cmdline
);
2483 loc_pop(&conf
->loc
);
2491 static int serial_parse(const char *devname
)
2493 static int index
= 0;
2496 if (strcmp(devname
, "none") == 0)
2498 if (index
== MAX_SERIAL_PORTS
) {
2499 error_report("too many serial ports");
2502 snprintf(label
, sizeof(label
), "serial%d", index
);
2503 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2504 if (!serial_hds
[index
]) {
2505 error_report("could not connect serial device"
2506 " to character backend '%s'", devname
);
2513 static int parallel_parse(const char *devname
)
2515 static int index
= 0;
2518 if (strcmp(devname
, "none") == 0)
2520 if (index
== MAX_PARALLEL_PORTS
) {
2521 error_report("too many parallel ports");
2524 snprintf(label
, sizeof(label
), "parallel%d", index
);
2525 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2526 if (!parallel_hds
[index
]) {
2527 error_report("could not connect parallel device"
2528 " to character backend '%s'", devname
);
2535 static int virtcon_parse(const char *devname
)
2537 QemuOptsList
*device
= qemu_find_opts("device");
2538 static int index
= 0;
2540 QemuOpts
*bus_opts
, *dev_opts
;
2542 if (strcmp(devname
, "none") == 0)
2544 if (index
== MAX_VIRTIO_CONSOLES
) {
2545 error_report("too many virtio consoles");
2549 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2550 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2552 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2553 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2555 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2556 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2557 if (!virtcon_hds
[index
]) {
2558 error_report("could not connect virtio console"
2559 " to character backend '%s'", devname
);
2562 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2568 static int sclp_parse(const char *devname
)
2570 QemuOptsList
*device
= qemu_find_opts("device");
2571 static int index
= 0;
2575 if (strcmp(devname
, "none") == 0) {
2578 if (index
== MAX_SCLP_CONSOLES
) {
2579 error_report("too many sclp consoles");
2583 assert(arch_type
== QEMU_ARCH_S390X
);
2585 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2586 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2588 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2589 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2590 if (!sclp_hds
[index
]) {
2591 error_report("could not connect sclp console"
2592 " to character backend '%s'", devname
);
2595 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2601 static int debugcon_parse(const char *devname
)
2605 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2608 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2610 error_report("already have a debugcon device");
2613 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2614 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2618 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2620 const MachineClass
*mc1
= a
, *mc2
= b
;
2623 if (mc1
->family
== NULL
) {
2624 if (mc2
->family
== NULL
) {
2625 /* Compare standalone machine types against each other; they sort
2626 * in increasing order.
2628 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2629 object_class_get_name(OBJECT_CLASS(mc2
)));
2632 /* Standalone machine types sort after families. */
2636 if (mc2
->family
== NULL
) {
2637 /* Families sort before standalone machine types. */
2641 /* Families sort between each other alphabetically increasingly. */
2642 res
= strcmp(mc1
->family
, mc2
->family
);
2647 /* Within the same family, machine types sort in decreasing order. */
2648 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2649 object_class_get_name(OBJECT_CLASS(mc1
)));
2652 static MachineClass
*machine_parse(const char *name
)
2654 MachineClass
*mc
= NULL
;
2655 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2658 mc
= find_machine(name
);
2661 g_slist_free(machines
);
2664 if (name
&& !is_help_option(name
)) {
2665 error_report("unsupported machine type");
2666 error_printf("Use -machine help to list supported machines\n");
2668 printf("Supported machines are:\n");
2669 machines
= g_slist_sort(machines
, machine_class_cmp
);
2670 for (el
= machines
; el
; el
= el
->next
) {
2671 MachineClass
*mc
= el
->data
;
2673 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2675 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2676 mc
->is_default
? " (default)" : "");
2680 g_slist_free(machines
);
2681 exit(!name
|| !is_help_option(name
));
2684 void qemu_add_exit_notifier(Notifier
*notify
)
2686 notifier_list_add(&exit_notifiers
, notify
);
2689 void qemu_remove_exit_notifier(Notifier
*notify
)
2691 notifier_remove(notify
);
2694 static void qemu_run_exit_notifiers(void)
2696 notifier_list_notify(&exit_notifiers
, NULL
);
2699 static bool machine_init_done
;
2701 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2703 notifier_list_add(&machine_init_done_notifiers
, notify
);
2704 if (machine_init_done
) {
2705 notify
->notify(notify
, NULL
);
2709 static void qemu_run_machine_init_done_notifiers(void)
2711 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2712 machine_init_done
= true;
2715 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2716 const char **poptarg
, int *poptind
)
2718 const QEMUOption
*popt
;
2719 int optind
= *poptind
;
2720 char *r
= argv
[optind
];
2723 loc_set_cmdline(argv
, optind
, 1);
2725 /* Treat --foo the same as -foo. */
2728 popt
= qemu_options
;
2731 error_report("invalid option");
2734 if (!strcmp(popt
->name
, r
+ 1))
2738 if (popt
->flags
& HAS_ARG
) {
2739 if (optind
>= argc
) {
2740 error_report("requires an argument");
2743 optarg
= argv
[optind
++];
2744 loc_set_cmdline(argv
, optind
- 2, 2);
2755 static MachineClass
*select_machine(void)
2757 MachineClass
*machine_class
= find_default_machine();
2762 loc_push_none(&loc
);
2764 opts
= qemu_get_machine_opts();
2765 qemu_opts_loc_restore(opts
);
2767 optarg
= qemu_opt_get(opts
, "type");
2769 machine_class
= machine_parse(optarg
);
2772 if (!machine_class
) {
2773 error_report("No machine specified, and there is no default");
2774 error_printf("Use -machine help to list supported machines\n");
2779 return machine_class
;
2782 static int machine_set_property(void *opaque
,
2783 const char *name
, const char *value
,
2786 Object
*obj
= OBJECT(opaque
);
2787 Error
*local_err
= NULL
;
2790 if (strcmp(name
, "type") == 0) {
2794 qom_name
= g_strdup(name
);
2802 object_property_parse(obj
, value
, qom_name
, &local_err
);
2806 error_report_err(local_err
);
2815 * Initial object creation happens before all other
2816 * QEMU data types are created. The majority of objects
2817 * can be created at this point. The rng-egd object
2818 * cannot be created here, as it depends on the chardev
2821 static bool object_create_initial(const char *type
)
2823 if (g_str_equal(type
, "rng-egd")) {
2828 * return false for concrete netfilters since
2829 * they depend on netdevs already existing
2831 if (g_str_equal(type
, "filter-buffer") ||
2832 g_str_equal(type
, "filter-dump") ||
2833 g_str_equal(type
, "filter-mirror") ||
2834 g_str_equal(type
, "filter-redirector")) {
2843 * The remainder of object creation happens after the
2844 * creation of chardev, fsdev, net clients and device data types.
2846 static bool object_create_delayed(const char *type
)
2848 return !object_create_initial(type
);
2852 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2856 const char *mem_str
;
2857 const char *maxmem_str
, *slots_str
;
2858 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2859 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2862 loc_push_none(&loc
);
2863 qemu_opts_loc_restore(opts
);
2866 mem_str
= qemu_opt_get(opts
, "size");
2869 error_report("missing 'size' option value");
2873 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2875 /* Fix up legacy suffix-less format */
2876 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2877 uint64_t overflow_check
= sz
;
2880 if ((sz
>> 20) != overflow_check
) {
2881 error_report("too large 'size' option value");
2887 /* backward compatibility behaviour for case "-m 0" */
2889 sz
= default_ram_size
;
2892 sz
= QEMU_ALIGN_UP(sz
, 8192);
2894 if (ram_size
!= sz
) {
2895 error_report("ram size too large");
2899 /* store value for the future use */
2900 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2901 *maxram_size
= ram_size
;
2903 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2904 slots_str
= qemu_opt_get(opts
, "slots");
2905 if (maxmem_str
&& slots_str
) {
2908 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2909 slots
= qemu_opt_get_number(opts
, "slots", 0);
2910 if (sz
< ram_size
) {
2911 error_report("invalid value of -m option maxmem: "
2912 "maximum memory size (0x%" PRIx64
") must be at least "
2913 "the initial memory size (0x" RAM_ADDR_FMT
")",
2916 } else if (sz
> ram_size
) {
2918 error_report("invalid value of -m option: maxmem was "
2919 "specified, but no hotplug slots were specified");
2923 error_report("invalid value of -m option maxmem: "
2924 "memory slots were specified but maximum memory size "
2925 "(0x%" PRIx64
") is equal to the initial memory size "
2926 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2932 } else if ((!maxmem_str
&& slots_str
) ||
2933 (maxmem_str
&& !slots_str
)) {
2934 error_report("invalid -m option value: missing "
2935 "'%s' option", slots_str
? "maxmem" : "slots");
2942 int main(int argc
, char **argv
, char **envp
)
2945 int snapshot
, linux_boot
;
2946 const char *initrd_filename
;
2947 const char *kernel_filename
, *kernel_cmdline
;
2948 const char *boot_order
= NULL
;
2949 const char *boot_once
= NULL
;
2951 int cyls
, heads
, secs
, translation
;
2952 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2953 QemuOptsList
*olist
;
2956 const char *loadvm
= NULL
;
2957 MachineClass
*machine_class
;
2958 const char *cpu_model
;
2959 const char *vga_model
= NULL
;
2960 const char *qtest_chrdev
= NULL
;
2961 const char *qtest_log
= NULL
;
2962 const char *pid_file
= NULL
;
2963 const char *incoming
= NULL
;
2964 int show_vnc_port
= 0;
2965 bool defconfig
= true;
2966 bool userconfig
= true;
2967 const char *log_mask
= NULL
;
2968 const char *log_file
= NULL
;
2969 char *trace_file
= NULL
;
2970 ram_addr_t maxram_size
;
2971 uint64_t ram_slots
= 0;
2972 FILE *vmstate_dump_file
= NULL
;
2973 Error
*main_loop_err
= NULL
;
2976 qemu_init_cpu_loop();
2977 qemu_mutex_lock_iothread();
2979 atexit(qemu_run_exit_notifiers
);
2980 error_set_progname(argv
[0]);
2981 qemu_init_exec_dir(argv
[0]);
2983 module_call_init(MODULE_INIT_QOM
);
2985 qemu_add_opts(&qemu_drive_opts
);
2986 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2987 qemu_add_drive_opts(&qemu_common_drive_opts
);
2988 qemu_add_drive_opts(&qemu_drive_opts
);
2989 qemu_add_opts(&qemu_chardev_opts
);
2990 qemu_add_opts(&qemu_device_opts
);
2991 qemu_add_opts(&qemu_netdev_opts
);
2992 qemu_add_opts(&qemu_net_opts
);
2993 qemu_add_opts(&qemu_rtc_opts
);
2994 qemu_add_opts(&qemu_global_opts
);
2995 qemu_add_opts(&qemu_mon_opts
);
2996 qemu_add_opts(&qemu_trace_opts
);
2997 qemu_add_opts(&qemu_option_rom_opts
);
2998 qemu_add_opts(&qemu_machine_opts
);
2999 qemu_add_opts(&qemu_mem_opts
);
3000 qemu_add_opts(&qemu_smp_opts
);
3001 qemu_add_opts(&qemu_boot_opts
);
3002 qemu_add_opts(&qemu_sandbox_opts
);
3003 qemu_add_opts(&qemu_add_fd_opts
);
3004 qemu_add_opts(&qemu_object_opts
);
3005 qemu_add_opts(&qemu_tpmdev_opts
);
3006 qemu_add_opts(&qemu_realtime_opts
);
3007 qemu_add_opts(&qemu_msg_opts
);
3008 qemu_add_opts(&qemu_name_opts
);
3009 qemu_add_opts(&qemu_numa_opts
);
3010 qemu_add_opts(&qemu_icount_opts
);
3011 qemu_add_opts(&qemu_semihosting_config_opts
);
3012 qemu_add_opts(&qemu_fw_cfg_opts
);
3013 module_call_init(MODULE_INIT_OPTS
);
3017 if (qcrypto_init(&err
) < 0) {
3018 error_reportf_err(err
, "cannot initialize crypto: ");
3021 rtc_clock
= QEMU_CLOCK_HOST
;
3023 QLIST_INIT (&vm_change_state_head
);
3024 os_setup_early_signal_handling();
3028 cyls
= heads
= secs
= 0;
3029 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3033 bdrv_init_with_whitelist();
3037 /* first pass of option parsing */
3039 while (optind
< argc
) {
3040 if (argv
[optind
][0] != '-') {
3044 const QEMUOption
*popt
;
3046 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3047 switch (popt
->index
) {
3048 case QEMU_OPTION_nodefconfig
:
3051 case QEMU_OPTION_nouserconfig
:
3060 ret
= qemu_read_default_config_files(userconfig
);
3066 /* second pass of option parsing */
3071 if (argv
[optind
][0] != '-') {
3072 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3074 const QEMUOption
*popt
;
3076 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3077 if (!(popt
->arch_mask
& arch_type
)) {
3078 printf("Option %s not supported for this target\n", popt
->name
);
3081 switch(popt
->index
) {
3082 case QEMU_OPTION_no_kvm_irqchip
: {
3083 olist
= qemu_find_opts("machine");
3084 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3087 case QEMU_OPTION_cpu
:
3088 /* hw initialization will check this */
3091 case QEMU_OPTION_hda
:
3095 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3097 snprintf(buf
, sizeof(buf
),
3098 "%s,cyls=%d,heads=%d,secs=%d%s",
3099 HD_OPTS
, cyls
, heads
, secs
,
3100 translation
== BIOS_ATA_TRANSLATION_LBA
?
3102 translation
== BIOS_ATA_TRANSLATION_NONE
?
3103 ",trans=none" : "");
3104 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3107 case QEMU_OPTION_hdb
:
3108 case QEMU_OPTION_hdc
:
3109 case QEMU_OPTION_hdd
:
3110 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3113 case QEMU_OPTION_drive
:
3114 if (drive_def(optarg
) == NULL
) {
3118 case QEMU_OPTION_set
:
3119 if (qemu_set_option(optarg
) != 0)
3122 case QEMU_OPTION_global
:
3123 if (qemu_global_option(optarg
) != 0)
3126 case QEMU_OPTION_mtdblock
:
3127 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3129 case QEMU_OPTION_sd
:
3130 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3132 case QEMU_OPTION_pflash
:
3133 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3135 case QEMU_OPTION_snapshot
:
3138 case QEMU_OPTION_hdachs
:
3142 cyls
= strtol(p
, (char **)&p
, 0);
3143 if (cyls
< 1 || cyls
> 16383)
3148 heads
= strtol(p
, (char **)&p
, 0);
3149 if (heads
< 1 || heads
> 16)
3154 secs
= strtol(p
, (char **)&p
, 0);
3155 if (secs
< 1 || secs
> 63)
3159 if (!strcmp(p
, "large")) {
3160 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3161 } else if (!strcmp(p
, "rechs")) {
3162 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3163 } else if (!strcmp(p
, "none")) {
3164 translation
= BIOS_ATA_TRANSLATION_NONE
;
3165 } else if (!strcmp(p
, "lba")) {
3166 translation
= BIOS_ATA_TRANSLATION_LBA
;
3167 } else if (!strcmp(p
, "auto")) {
3168 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3172 } else if (*p
!= '\0') {
3174 error_report("invalid physical CHS format");
3177 if (hda_opts
!= NULL
) {
3178 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3180 qemu_opt_set_number(hda_opts
, "heads", heads
,
3182 qemu_opt_set_number(hda_opts
, "secs", secs
,
3184 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3185 qemu_opt_set(hda_opts
, "trans", "large",
3187 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3188 qemu_opt_set(hda_opts
, "trans", "rechs",
3190 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3191 qemu_opt_set(hda_opts
, "trans", "lba",
3193 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3194 qemu_opt_set(hda_opts
, "trans", "none",
3200 case QEMU_OPTION_numa
:
3201 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3207 case QEMU_OPTION_display
:
3208 display_type
= select_display(optarg
);
3210 case QEMU_OPTION_nographic
:
3211 display_type
= DT_NOGRAPHIC
;
3213 case QEMU_OPTION_curses
:
3214 #ifdef CONFIG_CURSES
3215 display_type
= DT_CURSES
;
3217 error_report("curses support is disabled");
3221 case QEMU_OPTION_portrait
:
3222 graphic_rotate
= 90;
3224 case QEMU_OPTION_rotate
:
3225 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3226 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3227 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3228 error_report("only 90, 180, 270 deg rotation is available");
3232 case QEMU_OPTION_kernel
:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3236 case QEMU_OPTION_initrd
:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3240 case QEMU_OPTION_append
:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3244 case QEMU_OPTION_dtb
:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3248 case QEMU_OPTION_cdrom
:
3249 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3251 case QEMU_OPTION_boot
:
3252 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3258 case QEMU_OPTION_fda
:
3259 case QEMU_OPTION_fdb
:
3260 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3263 case QEMU_OPTION_no_fd_bootchk
:
3266 case QEMU_OPTION_netdev
:
3267 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3271 case QEMU_OPTION_net
:
3272 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3276 #ifdef CONFIG_LIBISCSI
3277 case QEMU_OPTION_iscsi
:
3278 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3286 case QEMU_OPTION_tftp
:
3287 error_report("The -tftp option is deprecated. "
3288 "Please use '-netdev user,tftp=...' instead.");
3289 legacy_tftp_prefix
= optarg
;
3291 case QEMU_OPTION_bootp
:
3292 error_report("The -bootp option is deprecated. "
3293 "Please use '-netdev user,bootfile=...' instead.");
3294 legacy_bootp_filename
= optarg
;
3296 case QEMU_OPTION_redir
:
3297 error_report("The -redir option is deprecated. "
3298 "Please use '-netdev user,hostfwd=...' instead.");
3299 if (net_slirp_redir(optarg
) < 0)
3303 case QEMU_OPTION_bt
:
3304 add_device_config(DEV_BT
, optarg
);
3306 case QEMU_OPTION_audio_help
:
3310 case QEMU_OPTION_soundhw
:
3311 select_soundhw (optarg
);
3316 case QEMU_OPTION_version
:
3321 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3328 case QEMU_OPTION_tpmdev
:
3329 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3334 case QEMU_OPTION_mempath
:
3337 case QEMU_OPTION_mem_prealloc
:
3346 case QEMU_OPTION_DFILTER
:
3347 qemu_set_dfilter_ranges(optarg
);
3350 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3352 case QEMU_OPTION_gdb
:
3353 add_device_config(DEV_GDB
, optarg
);
3356 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3357 data_dir
[data_dir_idx
++] = optarg
;
3360 case QEMU_OPTION_bios
:
3361 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3364 case QEMU_OPTION_singlestep
:
3371 keyboard_layout
= optarg
;
3373 case QEMU_OPTION_localtime
:
3376 case QEMU_OPTION_vga
:
3385 w
= strtol(p
, (char **)&p
, 10);
3388 error_report("invalid resolution or depth");
3394 h
= strtol(p
, (char **)&p
, 10);
3399 depth
= strtol(p
, (char **)&p
, 10);
3400 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3401 depth
!= 24 && depth
!= 32)
3403 } else if (*p
== '\0') {
3404 depth
= graphic_depth
;
3411 graphic_depth
= depth
;
3414 case QEMU_OPTION_echr
:
3417 term_escape_char
= strtol(optarg
, &r
, 0);
3419 printf("Bad argument to echr\n");
3422 case QEMU_OPTION_monitor
:
3423 default_monitor
= 0;
3424 if (strncmp(optarg
, "none", 4)) {
3425 monitor_parse(optarg
, "readline", false);
3428 case QEMU_OPTION_qmp
:
3429 monitor_parse(optarg
, "control", false);
3430 default_monitor
= 0;
3432 case QEMU_OPTION_qmp_pretty
:
3433 monitor_parse(optarg
, "control", true);
3434 default_monitor
= 0;
3436 case QEMU_OPTION_mon
:
3437 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3442 default_monitor
= 0;
3444 case QEMU_OPTION_chardev
:
3445 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3451 case QEMU_OPTION_fsdev
:
3452 olist
= qemu_find_opts("fsdev");
3454 error_report("fsdev support is disabled");
3457 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3462 case QEMU_OPTION_virtfs
: {
3465 const char *writeout
, *sock_fd
, *socket
;
3467 olist
= qemu_find_opts("virtfs");
3469 error_report("virtfs support is disabled");
3472 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3477 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3478 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3479 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3482 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3483 qemu_opt_get(opts
, "mount_tag"),
3486 error_report("duplicate fsdev id: %s",
3487 qemu_opt_get(opts
, "mount_tag"));
3491 writeout
= qemu_opt_get(opts
, "writeout");
3493 #ifdef CONFIG_SYNC_FILE_RANGE
3494 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3496 error_report("writeout=immediate not supported "
3497 "on this platform");
3501 qemu_opt_set(fsdev
, "fsdriver",
3502 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3503 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3505 qemu_opt_set(fsdev
, "security_model",
3506 qemu_opt_get(opts
, "security_model"),
3508 socket
= qemu_opt_get(opts
, "socket");
3510 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3512 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3514 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3517 qemu_opt_set_bool(fsdev
, "readonly",
3518 qemu_opt_get_bool(opts
, "readonly", 0),
3520 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3522 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3523 qemu_opt_set(device
, "fsdev",
3524 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3525 qemu_opt_set(device
, "mount_tag",
3526 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3529 case QEMU_OPTION_virtfs_synth
: {
3533 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3536 error_report("duplicate option: %s", "virtfs_synth");
3539 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3541 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3543 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3544 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3545 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3548 case QEMU_OPTION_serial
:
3549 add_device_config(DEV_SERIAL
, optarg
);
3551 if (strncmp(optarg
, "mon:", 4) == 0) {
3552 default_monitor
= 0;
3555 case QEMU_OPTION_watchdog
:
3557 error_report("only one watchdog option may be given");
3562 case QEMU_OPTION_watchdog_action
:
3563 if (select_watchdog_action(optarg
) == -1) {
3564 error_report("unknown -watchdog-action parameter");
3568 case QEMU_OPTION_virtiocon
:
3569 add_device_config(DEV_VIRTCON
, optarg
);
3570 default_virtcon
= 0;
3571 if (strncmp(optarg
, "mon:", 4) == 0) {
3572 default_monitor
= 0;
3575 case QEMU_OPTION_parallel
:
3576 add_device_config(DEV_PARALLEL
, optarg
);
3577 default_parallel
= 0;
3578 if (strncmp(optarg
, "mon:", 4) == 0) {
3579 default_monitor
= 0;
3582 case QEMU_OPTION_debugcon
:
3583 add_device_config(DEV_DEBUGCON
, optarg
);
3585 case QEMU_OPTION_loadvm
:
3588 case QEMU_OPTION_full_screen
:
3591 case QEMU_OPTION_no_frame
:
3594 case QEMU_OPTION_alt_grab
:
3597 case QEMU_OPTION_ctrl_grab
:
3600 case QEMU_OPTION_no_quit
:
3603 case QEMU_OPTION_sdl
:
3605 display_type
= DT_SDL
;
3608 error_report("SDL support is disabled");
3611 case QEMU_OPTION_pidfile
:
3614 case QEMU_OPTION_win2k_hack
:
3615 win2k_install_hack
= 1;
3617 case QEMU_OPTION_rtc_td_hack
: {
3618 static GlobalProperty slew_lost_ticks
[] = {
3620 .driver
= "mc146818rtc",
3621 .property
= "lost_tick_policy",
3624 { /* end of list */ }
3627 qdev_prop_register_global_list(slew_lost_ticks
);
3630 case QEMU_OPTION_acpitable
:
3631 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3636 do_acpitable_option(opts
);
3638 case QEMU_OPTION_smbios
:
3639 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3644 do_smbios_option(opts
);
3646 case QEMU_OPTION_fwcfg
:
3647 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3653 case QEMU_OPTION_enable_kvm
:
3654 olist
= qemu_find_opts("machine");
3655 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3658 case QEMU_OPTION_machine
:
3659 olist
= qemu_find_opts("machine");
3660 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3665 case QEMU_OPTION_no_kvm
:
3666 olist
= qemu_find_opts("machine");
3667 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3669 case QEMU_OPTION_no_kvm_pit
: {
3670 error_report("warning: ignoring deprecated option");
3673 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3674 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3676 .driver
= "kvm-pit",
3677 .property
= "lost_tick_policy",
3680 { /* end of list */ }
3683 error_report("warning: deprecated, replaced by "
3684 "-global kvm-pit.lost_tick_policy=discard");
3685 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3688 case QEMU_OPTION_usb
:
3689 olist
= qemu_find_opts("machine");
3690 qemu_opts_parse_noisily(olist
, "usb=on", false);
3692 case QEMU_OPTION_usbdevice
:
3693 olist
= qemu_find_opts("machine");
3694 qemu_opts_parse_noisily(olist
, "usb=on", false);
3695 add_device_config(DEV_USB
, optarg
);
3697 case QEMU_OPTION_device
:
3698 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3703 case QEMU_OPTION_smp
:
3704 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3709 case QEMU_OPTION_vnc
:
3711 Error
*local_err
= NULL
;
3713 if (vnc_parse(optarg
, &local_err
) == NULL
) {
3714 error_report_err(local_err
);
3719 case QEMU_OPTION_no_acpi
:
3722 case QEMU_OPTION_no_hpet
:
3725 case QEMU_OPTION_balloon
:
3726 if (balloon_parse(optarg
) < 0) {
3727 error_report("unknown -balloon argument %s", optarg
);
3731 case QEMU_OPTION_no_reboot
:
3734 case QEMU_OPTION_no_shutdown
:
3737 case QEMU_OPTION_show_cursor
:
3740 case QEMU_OPTION_uuid
:
3741 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3742 error_report("failed to parse UUID string: wrong format");
3745 qemu_uuid_set
= true;
3747 case QEMU_OPTION_option_rom
:
3748 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3749 error_report("too many option ROMs");
3752 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3757 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3758 option_rom
[nb_option_roms
].bootindex
=
3759 qemu_opt_get_number(opts
, "bootindex", -1);
3760 if (!option_rom
[nb_option_roms
].name
) {
3761 error_report("Option ROM file is not specified");
3766 case QEMU_OPTION_semihosting
:
3767 semihosting
.enabled
= true;
3768 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3770 case QEMU_OPTION_semihosting_config
:
3771 semihosting
.enabled
= true;
3772 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3775 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3777 const char *target
= qemu_opt_get(opts
, "target");
3778 if (target
!= NULL
) {
3779 if (strcmp("native", target
) == 0) {
3780 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3781 } else if (strcmp("gdb", target
) == 0) {
3782 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3783 } else if (strcmp("auto", target
) == 0) {
3784 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3786 error_report("unsupported semihosting-config %s",
3791 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3793 /* Set semihosting argument count and vector */
3794 qemu_opt_foreach(opts
, add_semihosting_arg
,
3795 &semihosting
, NULL
);
3797 error_report("unsupported semihosting-config %s", optarg
);
3801 case QEMU_OPTION_tdf
:
3802 error_report("warning: ignoring deprecated option");
3804 case QEMU_OPTION_name
:
3805 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3811 case QEMU_OPTION_prom_env
:
3812 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3813 error_report("too many prom variables");
3816 prom_envs
[nb_prom_envs
] = optarg
;
3819 case QEMU_OPTION_old_param
:
3822 case QEMU_OPTION_clock
:
3823 /* Clock options no longer exist. Keep this option for
3824 * backward compatibility.
3827 case QEMU_OPTION_startdate
:
3828 configure_rtc_date_offset(optarg
, 1);
3830 case QEMU_OPTION_rtc
:
3831 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3836 configure_rtc(opts
);
3838 case QEMU_OPTION_tb_size
:
3839 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3840 if (tcg_tb_size
< 0) {
3844 case QEMU_OPTION_icount
:
3845 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3851 case QEMU_OPTION_incoming
:
3853 runstate_set(RUN_STATE_INMIGRATE
);
3857 case QEMU_OPTION_nodefaults
:
3860 case QEMU_OPTION_xen_domid
:
3861 if (!(xen_available())) {
3862 printf("Option %s not supported for this target\n", popt
->name
);
3865 xen_domid
= atoi(optarg
);
3867 case QEMU_OPTION_xen_create
:
3868 if (!(xen_available())) {
3869 printf("Option %s not supported for this target\n", popt
->name
);
3872 xen_mode
= XEN_CREATE
;
3874 case QEMU_OPTION_xen_attach
:
3875 if (!(xen_available())) {
3876 printf("Option %s not supported for this target\n", popt
->name
);
3879 xen_mode
= XEN_ATTACH
;
3881 case QEMU_OPTION_trace
:
3883 opts
= qemu_opts_parse_noisily(qemu_find_opts("trace"),
3888 if (qemu_opt_get(opts
, "enable")) {
3889 trace_enable_events(qemu_opt_get(opts
, "enable"));
3891 trace_init_events(qemu_opt_get(opts
, "events"));
3895 trace_file
= g_strdup(qemu_opt_get(opts
, "file"));
3896 qemu_opts_del(opts
);
3899 case QEMU_OPTION_readconfig
:
3901 int ret
= qemu_read_config_file(optarg
);
3903 error_report("read config %s: %s", optarg
,
3909 case QEMU_OPTION_spice
:
3910 olist
= qemu_find_opts("spice");
3912 error_report("spice support is disabled");
3915 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3921 case QEMU_OPTION_writeconfig
:
3924 if (strcmp(optarg
, "-") == 0) {
3927 fp
= fopen(optarg
, "w");
3929 error_report("open %s: %s", optarg
,
3934 qemu_config_write(fp
);
3940 case QEMU_OPTION_qtest
:
3941 qtest_chrdev
= optarg
;
3943 case QEMU_OPTION_qtest_log
:
3946 case QEMU_OPTION_sandbox
:
3947 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3953 case QEMU_OPTION_add_fd
:
3955 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3961 error_report("File descriptor passing is disabled on this "
3966 case QEMU_OPTION_object
:
3967 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3973 case QEMU_OPTION_realtime
:
3974 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3979 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3981 case QEMU_OPTION_msg
:
3982 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3987 configure_msg(opts
);
3989 case QEMU_OPTION_dump_vmstate
:
3990 if (vmstate_dump_file
) {
3991 error_report("only one '-dump-vmstate' "
3992 "option may be given");
3995 vmstate_dump_file
= fopen(optarg
, "w");
3996 if (vmstate_dump_file
== NULL
) {
3997 error_report("open %s: %s", optarg
, strerror(errno
));
4002 os_parse_cmd_args(popt
->index
, optarg
);
4007 * Clear error location left behind by the loop.
4008 * Best done right after the loop. Do not insert code here!
4012 replay_configure(icount_opts
);
4014 machine_class
= select_machine();
4016 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4020 if (qemu_init_main_loop(&main_loop_err
)) {
4021 error_report_err(main_loop_err
);
4025 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4026 parse_sandbox
, NULL
, NULL
)) {
4030 if (qemu_opts_foreach(qemu_find_opts("name"),
4031 parse_name
, NULL
, NULL
)) {
4036 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4037 parse_add_fd
, NULL
, NULL
)) {
4041 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4042 cleanup_add_fd
, NULL
, NULL
)) {
4047 current_machine
= MACHINE(object_new(object_class_get_name(
4048 OBJECT_CLASS(machine_class
))));
4049 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4052 object_property_add_child(object_get_root(), "machine",
4053 OBJECT(current_machine
), &error_abort
);
4054 cpu_exec_init_all();
4056 if (machine_class
->hw_version
) {
4057 qemu_set_hw_version(machine_class
->hw_version
);
4060 /* Init CPU def lists, based on config
4061 * - Must be called after all the qemu_read_config_file() calls
4062 * - Must be called before list_cpus()
4063 * - Must be called before machine_class->init()
4067 if (cpu_model
&& is_help_option(cpu_model
)) {
4068 list_cpus(stdout
, &fprintf
, cpu_model
);
4072 if (!trace_init_backends()) {
4075 trace_init_file(trace_file
);
4077 /* Open the logfile at this point and set the log mask if necessary.
4080 qemu_set_log_filename(log_file
);
4085 mask
= qemu_str_to_log_mask(log_mask
);
4087 qemu_print_log_usage(stdout
);
4095 /* If no data_dir is specified then try to find it relative to the
4097 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4098 data_dir
[data_dir_idx
] = os_find_datadir();
4099 if (data_dir
[data_dir_idx
] != NULL
) {
4103 /* If all else fails use the install path specified when building. */
4104 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4105 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4108 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4110 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4111 if (max_cpus
> machine_class
->max_cpus
) {
4112 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4113 "supported by machine '%s' (%d)", max_cpus
,
4114 machine_class
->name
, machine_class
->max_cpus
);
4119 * Get the default machine options from the machine if it is not already
4120 * specified either by the configuration file or by the command line.
4122 if (machine_class
->default_machine_opts
) {
4123 qemu_opts_set_defaults(qemu_find_opts("machine"),
4124 machine_class
->default_machine_opts
, 0);
4127 qemu_opts_foreach(qemu_find_opts("device"),
4128 default_driver_check
, NULL
, NULL
);
4129 qemu_opts_foreach(qemu_find_opts("global"),
4130 default_driver_check
, NULL
, NULL
);
4132 if (!vga_model
&& !default_vga
) {
4133 vga_interface_type
= VGA_DEVICE
;
4135 if (!has_defaults
|| machine_class
->no_serial
) {
4138 if (!has_defaults
|| machine_class
->no_parallel
) {
4139 default_parallel
= 0;
4141 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4142 default_virtcon
= 0;
4144 if (!has_defaults
|| !machine_class
->use_sclp
) {
4147 if (!has_defaults
|| machine_class
->no_floppy
) {
4150 if (!has_defaults
|| machine_class
->no_cdrom
) {
4153 if (!has_defaults
|| machine_class
->no_sdcard
) {
4156 if (!has_defaults
) {
4157 default_monitor
= 0;
4162 if (is_daemonized()) {
4163 /* According to documentation and historically, -nographic redirects
4164 * serial port, parallel port and monitor to stdio, which does not work
4165 * with -daemonize. We can redirect these to null instead, but since
4166 * -nographic is legacy, let's just error out.
4167 * We disallow -nographic only if all other ports are not redirected
4168 * explicitly, to not break existing legacy setups which uses
4169 * -nographic _and_ redirects all ports explicitly - this is valid
4170 * usage, -nographic is just a no-op in this case.
4172 if (display_type
== DT_NOGRAPHIC
4173 && (default_parallel
|| default_serial
4174 || default_monitor
|| default_virtcon
)) {
4175 error_report("-nographic cannot be used with -daemonize");
4178 #ifdef CONFIG_CURSES
4179 if (display_type
== DT_CURSES
) {
4180 error_report("curses display cannot be used with -daemonize");
4186 if (display_type
== DT_NOGRAPHIC
) {
4187 if (default_parallel
)
4188 add_device_config(DEV_PARALLEL
, "null");
4189 if (default_serial
&& default_monitor
) {
4190 add_device_config(DEV_SERIAL
, "mon:stdio");
4191 } else if (default_virtcon
&& default_monitor
) {
4192 add_device_config(DEV_VIRTCON
, "mon:stdio");
4193 } else if (default_sclp
&& default_monitor
) {
4194 add_device_config(DEV_SCLP
, "mon:stdio");
4197 add_device_config(DEV_SERIAL
, "stdio");
4198 if (default_virtcon
)
4199 add_device_config(DEV_VIRTCON
, "stdio");
4201 add_device_config(DEV_SCLP
, "stdio");
4203 if (default_monitor
)
4204 monitor_parse("stdio", "readline", false);
4208 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4209 if (default_parallel
)
4210 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4211 if (default_monitor
)
4212 monitor_parse("vc:80Cx24C", "readline", false);
4213 if (default_virtcon
)
4214 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4216 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4220 #if defined(CONFIG_VNC)
4221 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4225 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4226 #if defined(CONFIG_GTK)
4227 display_type
= DT_GTK
;
4228 #elif defined(CONFIG_SDL)
4229 display_type
= DT_SDL
;
4230 #elif defined(CONFIG_COCOA)
4231 display_type
= DT_COCOA
;
4232 #elif defined(CONFIG_VNC)
4233 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4236 display_type
= DT_NONE
;
4240 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4241 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4242 "for SDL, ignoring option");
4244 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4245 error_report("-no-quit is only valid for GTK and SDL, "
4249 #if defined(CONFIG_GTK)
4250 if (display_type
== DT_GTK
) {
4251 early_gtk_display_init(request_opengl
);
4254 if (display_type
== DT_SDL
) {
4255 sdl_display_early_init(request_opengl
);
4258 if (request_opengl
== 1 && display_opengl
== 0) {
4259 #if defined(CONFIG_OPENGL)
4260 error_report("OpenGL is not supported by the display");
4262 error_report("OpenGL support is disabled");
4270 if (qemu_opts_foreach(qemu_find_opts("object"),
4271 user_creatable_add_opts_foreach
,
4272 object_create_initial
, NULL
)) {
4276 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4277 chardev_init_func
, NULL
, NULL
)) {
4281 #ifdef CONFIG_VIRTFS
4282 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4283 fsdev_init_func
, NULL
, NULL
)) {
4288 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4289 error_report("could not acquire pid file: %s", strerror(errno
));
4293 if (qemu_opts_foreach(qemu_find_opts("device"),
4294 device_help_func
, NULL
, NULL
)) {
4298 machine_opts
= qemu_get_machine_opts();
4299 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4301 object_unref(OBJECT(current_machine
));
4305 configure_accelerator(current_machine
);
4308 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4311 machine_opts
= qemu_get_machine_opts();
4312 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4313 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4314 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4315 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4317 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4319 boot_order
= qemu_opt_get(opts
, "order");
4321 validate_bootdevices(boot_order
, &error_fatal
);
4324 boot_once
= qemu_opt_get(opts
, "once");
4326 validate_bootdevices(boot_once
, &error_fatal
);
4329 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4330 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4334 boot_order
= machine_class
->default_boot_order
;
4337 if (!kernel_cmdline
) {
4338 kernel_cmdline
= "";
4339 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4342 linux_boot
= (kernel_filename
!= NULL
);
4344 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4345 error_report("-append only allowed with -kernel option");
4349 if (!linux_boot
&& initrd_filename
!= NULL
) {
4350 error_report("-initrd only allowed with -kernel option");
4354 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4355 error_report("-dtb only allowed with -kernel option");
4359 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4360 /* fall back to the -kernel/-append */
4361 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4364 os_set_line_buffering();
4367 /* spice needs the timers to be initialized by this point */
4373 if (kvm_enabled() || xen_enabled()) {
4374 error_report("-icount is not allowed with kvm or xen");
4377 configure_icount(icount_opts
, &error_abort
);
4378 qemu_opts_del(icount_opts
);
4381 /* clean up network at qemu process termination */
4382 atexit(&net_cleanup
);
4384 if (net_init_clients() < 0) {
4388 if (qemu_opts_foreach(qemu_find_opts("object"),
4389 user_creatable_add_opts_foreach
,
4390 object_create_delayed
, NULL
)) {
4395 if (tpm_init() < 0) {
4400 /* init the bluetooth world */
4401 if (foreach_device_config(DEV_BT
, bt_parse
))
4404 if (!xen_enabled()) {
4405 /* On 32-bit hosts, QEMU is limited by virtual address space */
4406 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4407 error_report("at most 2047 MB RAM can be simulated");
4415 /* If the currently selected machine wishes to override the units-per-bus
4416 * property of its default HBA interface type, do so now. */
4417 if (machine_class
->units_per_default_bus
) {
4418 override_max_devs(machine_class
->block_default_type
,
4419 machine_class
->units_per_default_bus
);
4422 /* open the virtual block devices */
4423 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4424 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4427 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4428 &machine_class
->block_default_type
, NULL
)) {
4432 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4434 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4435 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4437 parse_numa_opts(machine_class
);
4439 if (qemu_opts_foreach(qemu_find_opts("mon"),
4440 mon_init_func
, NULL
, NULL
)) {
4444 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4446 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4448 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4450 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4453 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4456 /* If no default VGA is requested, the default is "none". */
4458 if (machine_class
->default_display
) {
4459 vga_model
= machine_class
->default_display
;
4460 } else if (vga_interface_available(VGA_CIRRUS
)) {
4461 vga_model
= "cirrus";
4462 } else if (vga_interface_available(VGA_STD
)) {
4467 select_vgahw(vga_model
);
4471 i
= select_watchdog(watchdog
);
4473 exit (i
== 1 ? 1 : 0);
4476 if (machine_class
->compat_props
) {
4477 qdev_prop_register_global_list(machine_class
->compat_props
);
4481 /* This checkpoint is required by replay to separate prior clock
4482 reading from the other reads, because timer polling functions query
4483 clock values from the log. */
4484 replay_checkpoint(CHECKPOINT_INIT
);
4485 qdev_machine_init();
4487 current_machine
->ram_size
= ram_size
;
4488 current_machine
->maxram_size
= maxram_size
;
4489 current_machine
->ram_slots
= ram_slots
;
4490 current_machine
->boot_order
= boot_order
;
4491 current_machine
->cpu_model
= cpu_model
;
4493 machine_class
->init(current_machine
);
4499 cpu_synchronize_all_post_init();
4501 numa_post_machine_init();
4503 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4504 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4508 /* init USB devices */
4509 if (usb_enabled()) {
4510 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4514 /* Check if IGD GFX passthrough. */
4517 /* init generic devices */
4518 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4519 if (qemu_opts_foreach(qemu_find_opts("device"),
4520 device_init_func
, NULL
, NULL
)) {
4523 rom_reset_order_override();
4525 /* Did we create any drives that we failed to create a device for? */
4526 drive_check_orphaned();
4528 net_check_clients();
4531 qemu_boot_set(boot_once
, &error_fatal
);
4532 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4535 ds
= init_displaystate();
4537 /* init local displays */
4538 switch (display_type
) {
4540 (void)ds
; /* avoid warning if no display is configured */
4543 curses_display_init(ds
, full_screen
);
4546 sdl_display_init(ds
, full_screen
, no_frame
);
4548 #if defined(CONFIG_COCOA)
4550 cocoa_display_init(ds
, full_screen
);
4553 #if defined(CONFIG_GTK)
4555 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4562 /* must be after terminal init, SDL library changes signal handlers */
4563 os_setup_signal_handling();
4565 /* init remote displays */
4566 qemu_opts_foreach(qemu_find_opts("vnc"),
4567 vnc_init_func
, NULL
, NULL
);
4568 if (show_vnc_port
) {
4569 char *ret
= vnc_display_local_addr("default");
4570 printf("VNC server running on '%s'\n", ret
);
4576 qemu_spice_display_init();
4580 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4584 qdev_machine_creation_done();
4586 /* TODO: once all bus devices are qdevified, this should be done
4587 * when bus is created by qdev.c */
4588 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4589 qemu_run_machine_init_done_notifiers();
4591 if (rom_check_and_register_reset() != 0) {
4592 error_report("rom check and register reset failed");
4598 /* This checkpoint is required by replay to separate prior clock
4599 reading from the other reads, because timer polling functions query
4600 clock values from the log. */
4601 replay_checkpoint(CHECKPOINT_RESET
);
4602 qemu_system_reset(VMRESET_SILENT
);
4603 register_global_state();
4605 if (load_vmstate(loadvm
) < 0) {
4610 qdev_prop_check_globals();
4611 if (vmstate_dump_file
) {
4613 dump_vmstate_json_to_file(vmstate_dump_file
);
4618 Error
*local_err
= NULL
;
4619 qemu_start_incoming_migration(incoming
, &local_err
);
4621 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4624 } else if (autostart
) {
4631 replay_disable_events();