4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
29 #include "sysemu/seccomp.h"
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
37 #if defined(__APPLE__) || defined(main)
39 int qemu_main(int argc
, char **argv
, char **envp
);
40 int main(int argc
, char **argv
)
42 return qemu_main(argc
, argv
, NULL
);
45 #define main qemu_main
47 #endif /* CONFIG_SDL */
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir
[16];
129 static int data_dir_idx
;
130 const char *bios_name
= NULL
;
131 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
132 int request_opengl
= -1;
134 const char* keyboard_layout
= NULL
;
136 const char *mem_path
= NULL
;
137 int mem_prealloc
= 0; /* force preallocation of physical target memory */
138 bool enable_mlock
= false;
140 NICInfo nd_table
[MAX_NICS
];
142 static int rtc_utc
= 1;
143 static int rtc_date_offset
= -1; /* -1 means no change */
144 QEMUClockType rtc_clock
;
145 int vga_interface_type
= VGA_NONE
;
146 static int full_screen
= 0;
147 static int no_frame
= 0;
149 static bool grab_on_hover
;
150 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
151 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
152 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
153 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
154 int win2k_install_hack
= 0;
160 int acpi_enabled
= 1;
163 static int no_reboot
;
166 int graphic_rotate
= 0;
167 const char *watchdog
;
168 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
171 const char *qemu_name
;
174 unsigned int nb_prom_envs
= 0;
175 const char *prom_envs
[MAX_PROM_ENVS
];
178 uint8_t *boot_splash_filedata
;
179 size_t boot_splash_filedata_size
;
180 uint8_t qemu_extra_params_fw
[2];
182 int icount_align_option
;
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 uint8_t qemu_uuid
[16];
190 static NotifierList exit_notifiers
=
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
193 static NotifierList machine_init_done_notifiers
=
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
198 enum xen_mode xen_mode
= XEN_EMULATE
;
200 static int has_defaults
= 1;
201 static int default_serial
= 1;
202 static int default_parallel
= 1;
203 static int default_virtcon
= 1;
204 static int default_sclp
= 1;
205 static int default_monitor
= 1;
206 static int default_floppy
= 1;
207 static int default_cdrom
= 1;
208 static int default_sdcard
= 1;
209 static int default_vga
= 1;
215 { .driver
= "isa-serial", .flag
= &default_serial
},
216 { .driver
= "isa-parallel", .flag
= &default_parallel
},
217 { .driver
= "isa-fdc", .flag
= &default_floppy
},
218 { .driver
= "ide-cd", .flag
= &default_cdrom
},
219 { .driver
= "ide-hd", .flag
= &default_cdrom
},
220 { .driver
= "ide-drive", .flag
= &default_cdrom
},
221 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
222 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
223 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
224 { .driver
= "VGA", .flag
= &default_vga
},
225 { .driver
= "isa-vga", .flag
= &default_vga
},
226 { .driver
= "cirrus-vga", .flag
= &default_vga
},
227 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
228 { .driver
= "vmware-svga", .flag
= &default_vga
},
229 { .driver
= "qxl-vga", .flag
= &default_vga
},
230 { .driver
= "virtio-vga", .flag
= &default_vga
},
233 static QemuOptsList qemu_rtc_opts
= {
235 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
239 .type
= QEMU_OPT_STRING
,
242 .type
= QEMU_OPT_STRING
,
245 .type
= QEMU_OPT_STRING
,
247 { /* end of list */ }
251 static QemuOptsList qemu_sandbox_opts
= {
253 .implied_opt_name
= "enable",
254 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
258 .type
= QEMU_OPT_BOOL
,
260 { /* end of list */ }
264 static QemuOptsList qemu_trace_opts
= {
266 .implied_opt_name
= "enable",
267 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
271 .type
= QEMU_OPT_STRING
,
275 .type
= QEMU_OPT_STRING
,
278 .type
= QEMU_OPT_STRING
,
280 { /* end of list */ }
284 static QemuOptsList qemu_option_rom_opts
= {
285 .name
= "option-rom",
286 .implied_opt_name
= "romfile",
287 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
291 .type
= QEMU_OPT_NUMBER
,
294 .type
= QEMU_OPT_STRING
,
296 { /* end of list */ }
300 static QemuOptsList qemu_machine_opts
= {
302 .implied_opt_name
= "type",
304 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
315 static QemuOptsList qemu_boot_opts
= {
317 .implied_opt_name
= "order",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_STRING
,
329 .type
= QEMU_OPT_BOOL
,
332 .type
= QEMU_OPT_STRING
,
334 .name
= "splash-time",
335 .type
= QEMU_OPT_STRING
,
337 .name
= "reboot-timeout",
338 .type
= QEMU_OPT_STRING
,
341 .type
= QEMU_OPT_BOOL
,
347 static QemuOptsList qemu_add_fd_opts
= {
349 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
353 .type
= QEMU_OPT_NUMBER
,
354 .help
= "file descriptor of which a duplicate is added to fd set",
357 .type
= QEMU_OPT_NUMBER
,
358 .help
= "ID of the fd set to add fd to",
361 .type
= QEMU_OPT_STRING
,
362 .help
= "free-form string used to describe fd",
364 { /* end of list */ }
368 static QemuOptsList qemu_object_opts
= {
370 .implied_opt_name
= "qom-type",
371 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
377 static QemuOptsList qemu_tpmdev_opts
= {
379 .implied_opt_name
= "type",
380 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
387 static QemuOptsList qemu_realtime_opts
= {
389 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
393 .type
= QEMU_OPT_BOOL
,
395 { /* end of list */ }
399 static QemuOptsList qemu_msg_opts
= {
401 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
405 .type
= QEMU_OPT_BOOL
,
407 { /* end of list */ }
411 static QemuOptsList qemu_name_opts
= {
413 .implied_opt_name
= "guest",
415 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
419 .type
= QEMU_OPT_STRING
,
420 .help
= "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
425 .type
= QEMU_OPT_STRING
,
426 .help
= "Sets the name of the QEMU process, as shown in top etc",
428 .name
= "debug-threads",
429 .type
= QEMU_OPT_BOOL
,
430 .help
= "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
434 { /* End of list */ }
438 static QemuOptsList qemu_mem_opts
= {
440 .implied_opt_name
= "size",
441 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
446 .type
= QEMU_OPT_SIZE
,
450 .type
= QEMU_OPT_NUMBER
,
454 .type
= QEMU_OPT_SIZE
,
456 { /* end of list */ }
460 static QemuOptsList qemu_icount_opts
= {
462 .implied_opt_name
= "shift",
464 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
468 .type
= QEMU_OPT_STRING
,
471 .type
= QEMU_OPT_BOOL
,
474 .type
= QEMU_OPT_BOOL
,
477 .type
= QEMU_OPT_STRING
,
480 .type
= QEMU_OPT_STRING
,
482 { /* end of list */ }
486 static QemuOptsList qemu_semihosting_config_opts
= {
487 .name
= "semihosting-config",
488 .implied_opt_name
= "enable",
489 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
493 .type
= QEMU_OPT_BOOL
,
496 .type
= QEMU_OPT_STRING
,
499 .type
= QEMU_OPT_STRING
,
501 { /* end of list */ }
505 static QemuOptsList qemu_fw_cfg_opts
= {
507 .implied_opt_name
= "name",
508 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
512 .type
= QEMU_OPT_STRING
,
513 .help
= "Sets the fw_cfg name of the blob to be inserted",
516 .type
= QEMU_OPT_STRING
,
517 .help
= "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
521 .type
= QEMU_OPT_STRING
,
522 .help
= "Sets content of the blob to be inserted from a string",
524 { /* end of list */ }
529 * Get machine options
531 * Returns: machine options (never null).
533 QemuOpts
*qemu_get_machine_opts(void)
535 return qemu_find_opts_singleton("machine");
538 const char *qemu_get_vm_name(void)
543 static void res_free(void)
545 g_free(boot_splash_filedata
);
546 boot_splash_filedata
= NULL
;
549 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
551 const char *driver
= qemu_opt_get(opts
, "driver");
556 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
557 if (strcmp(default_list
[i
].driver
, driver
) != 0)
559 *(default_list
[i
].flag
) = 0;
564 /***********************************************************/
567 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested
= RUN_STATE__MAX
;
571 static QemuMutex vmstop_lock
;
576 } RunStateTransition
;
578 static const RunStateTransition runstate_transitions_def
[] = {
580 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
581 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
582 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
584 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
585 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
586 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
587 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
588 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
596 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
597 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
598 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
600 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
601 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
604 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
605 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
608 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
609 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
612 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
613 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
616 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
617 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
618 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
620 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
621 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
623 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
624 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
625 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
626 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
627 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
628 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
629 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
630 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
631 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
632 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
634 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
636 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
637 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
638 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
640 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
641 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
642 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
643 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
644 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
646 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
647 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
648 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
650 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
651 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
652 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
654 { RUN_STATE__MAX
, RUN_STATE__MAX
},
657 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
659 bool runstate_check(RunState state
)
661 return current_run_state
== state
;
664 bool runstate_store(char *str
, size_t size
)
666 const char *state
= RunState_lookup
[current_run_state
];
667 size_t len
= strlen(state
) + 1;
672 memcpy(str
, state
, len
);
676 static void runstate_init(void)
678 const RunStateTransition
*p
;
680 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
681 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
682 runstate_valid_transitions
[p
->from
][p
->to
] = true;
685 qemu_mutex_init(&vmstop_lock
);
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state
)
691 assert(new_state
< RUN_STATE__MAX
);
693 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
694 error_report("invalid runstate transition: '%s' -> '%s'",
695 RunState_lookup
[current_run_state
],
696 RunState_lookup
[new_state
]);
699 trace_runstate_set(new_state
);
700 current_run_state
= new_state
;
703 int runstate_is_running(void)
705 return runstate_check(RUN_STATE_RUNNING
);
708 bool runstate_needs_reset(void)
710 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
711 runstate_check(RUN_STATE_SHUTDOWN
);
714 StatusInfo
*qmp_query_status(Error
**errp
)
716 StatusInfo
*info
= g_malloc0(sizeof(*info
));
718 info
->running
= runstate_is_running();
719 info
->singlestep
= singlestep
;
720 info
->status
= current_run_state
;
725 static bool qemu_vmstop_requested(RunState
*r
)
727 qemu_mutex_lock(&vmstop_lock
);
728 *r
= vmstop_requested
;
729 vmstop_requested
= RUN_STATE__MAX
;
730 qemu_mutex_unlock(&vmstop_lock
);
731 return *r
< RUN_STATE__MAX
;
734 void qemu_system_vmstop_request_prepare(void)
736 qemu_mutex_lock(&vmstop_lock
);
739 void qemu_system_vmstop_request(RunState state
)
741 vmstop_requested
= state
;
742 qemu_mutex_unlock(&vmstop_lock
);
750 qemu_vmstop_requested(&requested
);
751 if (runstate_is_running() && requested
== RUN_STATE__MAX
) {
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort
);
764 runstate_set(RUN_STATE_RUNNING
);
765 vm_state_notify(1, RUN_STATE_RUNNING
);
769 qapi_event_send_resume(&error_abort
);
773 /***********************************************************/
774 /* real time host monotonic timer */
776 static time_t qemu_time(void)
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm
*tm
, int offset
)
785 time_t ti
= qemu_time();
788 if (rtc_date_offset
== -1) {
792 localtime_r(&ti
, tm
);
794 ti
-= rtc_date_offset
;
799 int qemu_timedate_diff(struct tm
*tm
)
803 if (rtc_date_offset
== -1)
805 seconds
= mktimegm(tm
);
808 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
809 seconds
= mktime(&tmp
);
812 seconds
= mktimegm(tm
) + rtc_date_offset
;
814 return seconds
- qemu_time();
817 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
819 time_t rtc_start_date
;
822 if (!strcmp(startdate
, "now") && legacy
) {
823 rtc_date_offset
= -1;
825 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
833 } else if (sscanf(startdate
, "%d-%d-%d",
845 rtc_start_date
= mktimegm(&tm
);
846 if (rtc_start_date
== -1) {
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 rtc_date_offset
= qemu_time() - rtc_start_date
;
857 static void configure_rtc(QemuOpts
*opts
)
861 value
= qemu_opt_get(opts
, "base");
863 if (!strcmp(value
, "utc")) {
865 } else if (!strcmp(value
, "localtime")) {
866 Error
*blocker
= NULL
;
868 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker
);
872 configure_rtc_date_offset(value
, 0);
875 value
= qemu_opt_get(opts
, "clock");
877 if (!strcmp(value
, "host")) {
878 rtc_clock
= QEMU_CLOCK_HOST
;
879 } else if (!strcmp(value
, "rt")) {
880 rtc_clock
= QEMU_CLOCK_REALTIME
;
881 } else if (!strcmp(value
, "vm")) {
882 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
884 error_report("invalid option value '%s'", value
);
888 value
= qemu_opt_get(opts
, "driftfix");
890 if (!strcmp(value
, "slew")) {
891 static GlobalProperty slew_lost_ticks
= {
892 .driver
= "mc146818rtc",
893 .property
= "lost_tick_policy",
897 qdev_prop_register_global(&slew_lost_ticks
);
898 } else if (!strcmp(value
, "none")) {
899 /* discard is default */
901 error_report("invalid option value '%s'", value
);
907 /***********************************************************/
908 /* Bluetooth support */
911 static struct HCIInfo
*hci_table
[MAX_NICS
];
913 struct HCIInfo
*qemu_next_hci(void)
915 if (cur_hci
== nb_hcis
)
918 return hci_table
[cur_hci
++];
921 static int bt_hci_parse(const char *str
)
926 if (nb_hcis
>= MAX_NICS
) {
927 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
940 bdaddr
.b
[5] = 0x56 + nb_hcis
;
941 hci
->bdaddr_set(hci
, bdaddr
.b
);
943 hci_table
[nb_hcis
++] = hci
;
948 static void bt_vhci_add(int vlan_id
)
950 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
953 error_report("warning: adding a VHCI to an empty scatternet %i",
956 bt_vhci_init(bt_new_hci(vlan
));
959 static struct bt_device_s
*bt_device_add(const char *opt
)
961 struct bt_scatternet_s
*vlan
;
963 char *endp
= strstr(opt
, ",vlan=");
964 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
967 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
970 vlan_id
= strtol(endp
+ 6, &endp
, 0);
972 error_report("unrecognised bluetooth vlan Id");
977 vlan
= qemu_find_bt_vlan(vlan_id
);
980 error_report("warning: adding a slave device to an empty scatternet %i",
983 if (!strcmp(devname
, "keyboard"))
984 return bt_keyboard_init(vlan
);
986 error_report("unsupported bluetooth device '%s'", devname
);
990 static int bt_parse(const char *opt
)
992 const char *endp
, *p
;
995 if (strstart(opt
, "hci", &endp
)) {
996 if (!*endp
|| *endp
== ',') {
998 if (!strstart(endp
, ",vlan=", 0))
1001 return bt_hci_parse(opt
);
1003 } else if (strstart(opt
, "vhci", &endp
)) {
1004 if (!*endp
|| *endp
== ',') {
1006 if (strstart(endp
, ",vlan=", &p
)) {
1007 vlan
= strtol(p
, (char **) &endp
, 0);
1009 error_report("bad scatternet '%s'", p
);
1013 error_report("bad parameter '%s'", endp
+ 1);
1022 } else if (strstart(opt
, "device:", &endp
))
1023 return !bt_device_add(endp
);
1025 error_report("bad bluetooth parameter '%s'", opt
);
1029 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1031 /* FIXME: change this to true for 1.3 */
1032 if (qemu_opt_get_bool(opts
, "enable", false)) {
1033 #ifdef CONFIG_SECCOMP
1034 if (seccomp_start() < 0) {
1035 error_report("failed to install seccomp syscall filter "
1040 error_report("seccomp support is disabled");
1048 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1050 const char *proc_name
;
1052 if (qemu_opt_get(opts
, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1055 qemu_name
= qemu_opt_get(opts
, "guest");
1057 proc_name
= qemu_opt_get(opts
, "process");
1059 os_set_proc_name(proc_name
);
1065 bool defaults_enabled(void)
1067 return has_defaults
;
1070 bool usb_enabled(void)
1072 return machine_usb(current_machine
);
1076 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1078 int fd
, dupfd
, flags
;
1080 const char *fd_opaque
= NULL
;
1083 fd
= qemu_opt_get_number(opts
, "fd", -1);
1084 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1085 fd_opaque
= qemu_opt_get(opts
, "opaque");
1088 error_report("fd option is required and must be non-negative");
1092 if (fd
<= STDERR_FILENO
) {
1093 error_report("fd cannot be a standard I/O stream");
1098 * All fds inherited across exec() necessarily have FD_CLOEXEC
1099 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1101 flags
= fcntl(fd
, F_GETFD
);
1102 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1103 error_report("fd is not valid or already in use");
1108 error_report("set option is required and must be non-negative");
1112 #ifdef F_DUPFD_CLOEXEC
1113 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1117 qemu_set_cloexec(dupfd
);
1121 error_report("error duplicating fd: %s", strerror(errno
));
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1133 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1137 fd
= qemu_opt_get_number(opts
, "fd", -1);
1144 /***********************************************************/
1145 /* QEMU Block devices */
1147 #define HD_OPTS "media=disk"
1148 #define CDROM_OPTS "media=cdrom"
1150 #define PFLASH_OPTS ""
1154 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1156 BlockInterfaceType
*block_default_type
= opaque
;
1158 return drive_new(opts
, *block_default_type
) == NULL
;
1161 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1163 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1164 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1169 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1170 int index
, const char *optstr
)
1175 if (!enable
|| drive_get_by_index(type
, index
)) {
1179 opts
= drive_add(type
, index
, NULL
, optstr
);
1181 drive_enable_snapshot(NULL
, opts
, NULL
);
1184 dinfo
= drive_new(opts
, type
);
1188 dinfo
->is_default
= true;
1192 static QemuOptsList qemu_smp_opts
= {
1194 .implied_opt_name
= "cpus",
1195 .merge_lists
= true,
1196 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1200 .type
= QEMU_OPT_NUMBER
,
1203 .type
= QEMU_OPT_NUMBER
,
1206 .type
= QEMU_OPT_NUMBER
,
1209 .type
= QEMU_OPT_NUMBER
,
1212 .type
= QEMU_OPT_NUMBER
,
1214 { /*End of list */ }
1218 static void smp_parse(QemuOpts
*opts
)
1222 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1223 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1224 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1225 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1227 /* compute missing values, prefer sockets over cores over threads */
1228 if (cpus
== 0 || sockets
== 0) {
1229 sockets
= sockets
> 0 ? sockets
: 1;
1230 cores
= cores
> 0 ? cores
: 1;
1231 threads
= threads
> 0 ? threads
: 1;
1233 cpus
= cores
* threads
* sockets
;
1235 } else if (cores
== 0) {
1236 threads
= threads
> 0 ? threads
: 1;
1237 cores
= cpus
/ (sockets
* threads
);
1238 } else if (threads
== 0) {
1239 threads
= cpus
/ (cores
* sockets
);
1240 } else if (sockets
* cores
* threads
< cpus
) {
1241 error_report("cpu topology: "
1242 "sockets (%u) * cores (%u) * threads (%u) < "
1244 sockets
, cores
, threads
, cpus
);
1248 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1249 if (sockets
* cores
* threads
> max_cpus
) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) > "
1253 sockets
, cores
, threads
, max_cpus
);
1258 smp_cores
= cores
> 0 ? cores
: 1;
1259 smp_threads
= threads
> 0 ? threads
: 1;
1263 if (max_cpus
== 0) {
1264 max_cpus
= smp_cpus
;
1267 if (max_cpus
> MAX_CPUMASK_BITS
) {
1268 error_report("unsupported number of maxcpus");
1271 if (max_cpus
< smp_cpus
) {
1272 error_report("maxcpus must be equal to or greater than smp");
1276 if (smp_cpus
> 1 || smp_cores
> 1 || smp_threads
> 1) {
1277 Error
*blocker
= NULL
;
1278 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1279 replay_add_blocker(blocker
);
1283 static void realtime_init(void)
1286 if (os_mlock() < 0) {
1287 error_report("locking memory failed");
1294 static void configure_msg(QemuOpts
*opts
)
1296 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1299 /***********************************************************/
1302 typedef struct SemihostingConfig
{
1304 SemihostingTarget target
;
1307 const char *cmdline
; /* concatenated argv */
1308 } SemihostingConfig
;
1310 static SemihostingConfig semihosting
;
1312 bool semihosting_enabled(void)
1314 return semihosting
.enabled
;
1317 SemihostingTarget
semihosting_get_target(void)
1319 return semihosting
.target
;
1322 const char *semihosting_get_arg(int i
)
1324 if (i
>= semihosting
.argc
) {
1327 return semihosting
.argv
[i
];
1330 int semihosting_get_argc(void)
1332 return semihosting
.argc
;
1335 const char *semihosting_get_cmdline(void)
1337 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1338 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1340 return semihosting
.cmdline
;
1343 static int add_semihosting_arg(void *opaque
,
1344 const char *name
, const char *val
,
1347 SemihostingConfig
*s
= opaque
;
1348 if (strcmp(name
, "arg") == 0) {
1350 /* one extra element as g_strjoinv() expects NULL-terminated array */
1351 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1352 s
->argv
[s
->argc
- 1] = val
;
1353 s
->argv
[s
->argc
] = NULL
;
1358 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1359 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1364 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1366 /* split -append and initialize argv[1..n] */
1367 cmd_token
= strtok(g_strdup(cmd
), " ");
1369 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1370 cmd_token
= strtok(NULL
, " ");
1374 /* Now we still need this for compatibility with XEN. */
1375 bool has_igd_gfx_passthru
;
1376 static void igd_gfx_passthru(void)
1378 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1381 /***********************************************************/
1384 static int usb_device_add(const char *devname
)
1386 USBDevice
*dev
= NULL
;
1387 #ifndef CONFIG_LINUX
1391 if (!usb_enabled()) {
1395 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1396 dev
= usbdevice_create(devname
);
1400 /* the other ones */
1401 #ifndef CONFIG_LINUX
1402 /* only the linux version is qdev-ified, usb-bsd still needs this */
1403 if (strstart(devname
, "host:", &p
)) {
1404 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1414 static int usb_device_del(const char *devname
)
1419 if (strstart(devname
, "host:", &p
)) {
1423 if (!usb_enabled()) {
1427 p
= strchr(devname
, '.');
1430 bus_num
= strtoul(devname
, NULL
, 0);
1431 addr
= strtoul(p
+ 1, NULL
, 0);
1433 return usb_device_delete_addr(bus_num
, addr
);
1436 static int usb_parse(const char *cmdline
)
1439 r
= usb_device_add(cmdline
);
1441 error_report("could not add USB device '%s'", cmdline
);
1446 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1448 const char *devname
= qdict_get_str(qdict
, "devname");
1449 if (usb_device_add(devname
) < 0) {
1450 error_report("could not add USB device '%s'", devname
);
1454 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1456 const char *devname
= qdict_get_str(qdict
, "devname");
1457 if (usb_device_del(devname
) < 0) {
1458 error_report("could not delete USB device '%s'", devname
);
1462 /***********************************************************/
1463 /* machine registration */
1465 MachineState
*current_machine
;
1467 static MachineClass
*find_machine(const char *name
)
1469 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1470 MachineClass
*mc
= NULL
;
1472 for (el
= machines
; el
; el
= el
->next
) {
1473 MachineClass
*temp
= el
->data
;
1475 if (!strcmp(temp
->name
, name
)) {
1480 !strcmp(temp
->alias
, name
)) {
1486 g_slist_free(machines
);
1490 MachineClass
*find_default_machine(void)
1492 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1493 MachineClass
*mc
= NULL
;
1495 for (el
= machines
; el
; el
= el
->next
) {
1496 MachineClass
*temp
= el
->data
;
1498 if (temp
->is_default
) {
1504 g_slist_free(machines
);
1508 MachineInfoList
*qmp_query_machines(Error
**errp
)
1510 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1511 MachineInfoList
*mach_list
= NULL
;
1513 for (el
= machines
; el
; el
= el
->next
) {
1514 MachineClass
*mc
= el
->data
;
1515 MachineInfoList
*entry
;
1518 info
= g_malloc0(sizeof(*info
));
1519 if (mc
->is_default
) {
1520 info
->has_is_default
= true;
1521 info
->is_default
= true;
1525 info
->has_alias
= true;
1526 info
->alias
= g_strdup(mc
->alias
);
1529 info
->name
= g_strdup(mc
->name
);
1530 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1532 entry
= g_malloc0(sizeof(*entry
));
1533 entry
->value
= info
;
1534 entry
->next
= mach_list
;
1538 g_slist_free(machines
);
1542 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1544 ObjectProperty
*prop
;
1545 ObjectPropertyIterator iter
;
1547 if (!qemu_opt_has_help_opt(opts
)) {
1551 object_property_iter_init(&iter
, OBJECT(machine
));
1552 while ((prop
= object_property_iter_next(&iter
))) {
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1558 prop
->name
, prop
->type
);
1559 if (prop
->description
) {
1560 error_printf(" (%s)\n", prop
->description
);
1569 /***********************************************************/
1570 /* main execution loop */
1572 struct vm_change_state_entry
{
1573 VMChangeStateHandler
*cb
;
1575 QLIST_ENTRY (vm_change_state_entry
) entries
;
1578 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1580 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1583 VMChangeStateEntry
*e
;
1585 e
= g_malloc0(sizeof (*e
));
1589 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1595 QLIST_REMOVE (e
, entries
);
1599 void vm_state_notify(int running
, RunState state
)
1601 VMChangeStateEntry
*e
, *next
;
1603 trace_vm_state_notify(running
, state
);
1605 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1606 e
->cb(e
->opaque
, running
, state
);
1610 /* reset/shutdown handler */
1612 typedef struct QEMUResetEntry
{
1613 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1614 QEMUResetHandler
*func
;
1618 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1620 static int reset_requested
;
1621 static int shutdown_requested
, shutdown_signal
= -1;
1622 static pid_t shutdown_pid
;
1623 static int powerdown_requested
;
1624 static int debug_requested
;
1625 static int suspend_requested
;
1626 static WakeupReason wakeup_reason
;
1627 static NotifierList powerdown_notifiers
=
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1629 static NotifierList suspend_notifiers
=
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1631 static NotifierList wakeup_notifiers
=
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1633 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1635 int qemu_shutdown_requested_get(void)
1637 return shutdown_requested
;
1640 int qemu_reset_requested_get(void)
1642 return reset_requested
;
1645 static int qemu_shutdown_requested(void)
1647 return atomic_xchg(&shutdown_requested
, 0);
1650 static void qemu_kill_report(void)
1652 if (!qtest_driver() && shutdown_signal
!= -1) {
1653 if (shutdown_pid
== 0) {
1654 /* This happens for eg ^C at the terminal, so it's worth
1655 * avoiding printing an odd message in that case.
1657 error_report("terminating on signal %d", shutdown_signal
);
1659 error_report("terminating on signal %d from pid " FMT_pid
,
1660 shutdown_signal
, shutdown_pid
);
1662 shutdown_signal
= -1;
1666 static int qemu_reset_requested(void)
1668 int r
= reset_requested
;
1669 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1670 reset_requested
= 0;
1676 static int qemu_suspend_requested(void)
1678 int r
= suspend_requested
;
1679 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1680 suspend_requested
= 0;
1686 static WakeupReason
qemu_wakeup_requested(void)
1688 return wakeup_reason
;
1691 static int qemu_powerdown_requested(void)
1693 int r
= powerdown_requested
;
1694 powerdown_requested
= 0;
1698 static int qemu_debug_requested(void)
1700 int r
= debug_requested
;
1701 debug_requested
= 0;
1705 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1707 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1710 re
->opaque
= opaque
;
1711 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1714 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1718 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1719 if (re
->func
== func
&& re
->opaque
== opaque
) {
1720 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1727 void qemu_devices_reset(void)
1729 QEMUResetEntry
*re
, *nre
;
1731 /* reset all devices */
1732 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1733 re
->func(re
->opaque
);
1737 void qemu_system_reset(bool report
)
1741 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1743 cpu_synchronize_all_states();
1745 if (mc
&& mc
->reset
) {
1748 qemu_devices_reset();
1751 qapi_event_send_reset(&error_abort
);
1753 cpu_synchronize_all_post_reset();
1756 void qemu_system_guest_panicked(void)
1759 current_cpu
->crash_occurred
= true;
1761 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1762 vm_stop(RUN_STATE_GUEST_PANICKED
);
1765 void qemu_system_reset_request(void)
1768 shutdown_requested
= 1;
1770 reset_requested
= 1;
1773 qemu_notify_event();
1776 static void qemu_system_suspend(void)
1779 notifier_list_notify(&suspend_notifiers
, NULL
);
1780 runstate_set(RUN_STATE_SUSPENDED
);
1781 qapi_event_send_suspend(&error_abort
);
1784 void qemu_system_suspend_request(void)
1786 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1789 suspend_requested
= 1;
1791 qemu_notify_event();
1794 void qemu_register_suspend_notifier(Notifier
*notifier
)
1796 notifier_list_add(&suspend_notifiers
, notifier
);
1799 void qemu_system_wakeup_request(WakeupReason reason
)
1801 trace_system_wakeup_request(reason
);
1803 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1806 if (!(wakeup_reason_mask
& (1 << reason
))) {
1809 runstate_set(RUN_STATE_RUNNING
);
1810 wakeup_reason
= reason
;
1811 qemu_notify_event();
1814 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1817 wakeup_reason_mask
|= (1 << reason
);
1819 wakeup_reason_mask
&= ~(1 << reason
);
1823 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1825 notifier_list_add(&wakeup_notifiers
, notifier
);
1828 void qemu_system_killed(int signal
, pid_t pid
)
1830 shutdown_signal
= signal
;
1834 /* Cannot call qemu_system_shutdown_request directly because
1835 * we are in a signal handler.
1837 shutdown_requested
= 1;
1838 qemu_notify_event();
1841 void qemu_system_shutdown_request(void)
1843 trace_qemu_system_shutdown_request();
1844 replay_shutdown_request();
1845 shutdown_requested
= 1;
1846 qemu_notify_event();
1849 static void qemu_system_powerdown(void)
1851 qapi_event_send_powerdown(&error_abort
);
1852 notifier_list_notify(&powerdown_notifiers
, NULL
);
1855 void qemu_system_powerdown_request(void)
1857 trace_qemu_system_powerdown_request();
1858 powerdown_requested
= 1;
1859 qemu_notify_event();
1862 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1864 notifier_list_add(&powerdown_notifiers
, notifier
);
1867 void qemu_system_debug_request(void)
1869 debug_requested
= 1;
1870 qemu_notify_event();
1873 static bool main_loop_should_exit(void)
1876 if (qemu_debug_requested()) {
1877 vm_stop(RUN_STATE_DEBUG
);
1879 if (qemu_suspend_requested()) {
1880 qemu_system_suspend();
1882 if (qemu_shutdown_requested()) {
1884 qapi_event_send_shutdown(&error_abort
);
1886 vm_stop(RUN_STATE_SHUTDOWN
);
1891 if (qemu_reset_requested()) {
1893 qemu_system_reset(VMRESET_REPORT
);
1895 if (!runstate_check(RUN_STATE_RUNNING
) &&
1896 !runstate_check(RUN_STATE_INMIGRATE
)) {
1897 runstate_set(RUN_STATE_PRELAUNCH
);
1900 if (qemu_wakeup_requested()) {
1902 qemu_system_reset(VMRESET_SILENT
);
1903 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1904 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1906 qapi_event_send_wakeup(&error_abort
);
1908 if (qemu_powerdown_requested()) {
1909 qemu_system_powerdown();
1911 if (qemu_vmstop_requested(&r
)) {
1917 static void main_loop(void)
1921 #ifdef CONFIG_PROFILER
1925 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1926 #ifdef CONFIG_PROFILER
1927 ti
= profile_getclock();
1929 last_io
= main_loop_wait(nonblocking
);
1930 #ifdef CONFIG_PROFILER
1931 dev_time
+= profile_getclock() - ti
;
1933 } while (!main_loop_should_exit());
1936 static void version(void)
1938 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1941 static void help(int exitcode
)
1944 printf("usage: %s [options] [disk_image]\n\n"
1945 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1946 error_get_progname());
1948 #define QEMU_OPTIONS_GENERATE_HELP
1949 #include "qemu-options-wrapper.h"
1951 printf("\nDuring emulation, the following keys are useful:\n"
1952 "ctrl-alt-f toggle full screen\n"
1953 "ctrl-alt-n switch to virtual console 'n'\n"
1954 "ctrl-alt toggle mouse and keyboard grab\n"
1956 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1961 #define HAS_ARG 0x0001
1963 typedef struct QEMUOption
{
1970 static const QEMUOption qemu_options
[] = {
1971 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1972 #define QEMU_OPTIONS_GENERATE_OPTIONS
1973 #include "qemu-options-wrapper.h"
1977 typedef struct VGAInterfaceInfo
{
1978 const char *opt_name
; /* option name */
1979 const char *name
; /* human-readable name */
1980 /* Class names indicating that support is available.
1981 * If no class is specified, the interface is always available */
1982 const char *class_names
[2];
1985 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1991 .name
= "standard VGA",
1992 .class_names
= { "VGA", "isa-vga" },
1995 .opt_name
= "cirrus",
1996 .name
= "Cirrus VGA",
1997 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2000 .opt_name
= "vmware",
2001 .name
= "VMWare SVGA",
2002 .class_names
= { "vmware-svga" },
2005 .opt_name
= "virtio",
2006 .name
= "Virtio VGA",
2007 .class_names
= { "virtio-vga" },
2012 .class_names
= { "qxl-vga" },
2016 .name
= "TCX framebuffer",
2017 .class_names
= { "SUNW,tcx" },
2021 .name
= "CG3 framebuffer",
2022 .class_names
= { "cgthree" },
2025 .opt_name
= "xenfb",
2029 static bool vga_interface_available(VGAInterfaceType t
)
2031 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2033 assert(t
< VGA_TYPE_MAX
);
2034 return !ti
->class_names
[0] ||
2035 object_class_by_name(ti
->class_names
[0]) ||
2036 object_class_by_name(ti
->class_names
[1]);
2039 static void select_vgahw(const char *p
)
2044 assert(vga_interface_type
== VGA_NONE
);
2045 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2046 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2047 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2048 if (!vga_interface_available(t
)) {
2049 error_report("%s not available", ti
->name
);
2052 vga_interface_type
= t
;
2056 if (t
== VGA_TYPE_MAX
) {
2058 error_report("unknown vga type: %s", p
);
2062 const char *nextopt
;
2064 if (strstart(opts
, ",retrace=", &nextopt
)) {
2066 if (strstart(opts
, "dumb", &nextopt
))
2067 vga_retrace_method
= VGA_RETRACE_DUMB
;
2068 else if (strstart(opts
, "precise", &nextopt
))
2069 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2070 else goto invalid_vga
;
2071 } else goto invalid_vga
;
2076 typedef enum DisplayType
{
2085 static DisplayType
select_display(const char *p
)
2088 DisplayType display
= DT_DEFAULT
;
2090 if (strstart(p
, "sdl", &opts
)) {
2094 const char *nextopt
;
2096 if (strstart(opts
, ",frame=", &nextopt
)) {
2098 if (strstart(opts
, "on", &nextopt
)) {
2100 } else if (strstart(opts
, "off", &nextopt
)) {
2103 goto invalid_sdl_args
;
2105 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2107 if (strstart(opts
, "on", &nextopt
)) {
2109 } else if (strstart(opts
, "off", &nextopt
)) {
2112 goto invalid_sdl_args
;
2114 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2116 if (strstart(opts
, "on", &nextopt
)) {
2118 } else if (strstart(opts
, "off", &nextopt
)) {
2121 goto invalid_sdl_args
;
2123 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2125 if (strstart(opts
, "on", &nextopt
)) {
2127 } else if (strstart(opts
, "off", &nextopt
)) {
2130 goto invalid_sdl_args
;
2132 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2134 if (strstart(opts
, "on", &nextopt
)) {
2136 } else if (strstart(opts
, "off", &nextopt
)) {
2139 goto invalid_sdl_args
;
2143 error_report("invalid SDL option string");
2149 error_report("SDL support is disabled");
2152 } else if (strstart(p
, "vnc", &opts
)) {
2155 if (vnc_parse(opts
+ 1, &err
) == NULL
) {
2156 error_report_err(err
);
2160 error_report("VNC requires a display argument vnc=<display>");
2163 } else if (strstart(p
, "curses", &opts
)) {
2164 #ifdef CONFIG_CURSES
2165 display
= DT_CURSES
;
2167 error_report("curses support is disabled");
2170 } else if (strstart(p
, "gtk", &opts
)) {
2174 const char *nextopt
;
2176 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2178 if (strstart(opts
, "on", &nextopt
)) {
2179 grab_on_hover
= true;
2180 } else if (strstart(opts
, "off", &nextopt
)) {
2181 grab_on_hover
= false;
2183 goto invalid_gtk_args
;
2185 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2187 if (strstart(opts
, "on", &nextopt
)) {
2189 } else if (strstart(opts
, "off", &nextopt
)) {
2192 goto invalid_gtk_args
;
2196 error_report("invalid GTK option string");
2202 error_report("GTK support is disabled");
2205 } else if (strstart(p
, "none", &opts
)) {
2208 error_report("unknown display type");
2215 static int balloon_parse(const char *arg
)
2219 if (strcmp(arg
, "none") == 0) {
2223 if (!strncmp(arg
, "virtio", 6)) {
2224 if (arg
[6] == ',') {
2225 /* have params -> parse them */
2226 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2231 /* create empty opts */
2232 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2235 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2242 char *qemu_find_file(int type
, const char *name
)
2248 /* Try the name as a straight path first */
2249 if (access(name
, R_OK
) == 0) {
2250 trace_load_file(name
, name
);
2251 return g_strdup(name
);
2255 case QEMU_FILE_TYPE_BIOS
:
2258 case QEMU_FILE_TYPE_KEYMAP
:
2259 subdir
= "keymaps/";
2265 for (i
= 0; i
< data_dir_idx
; i
++) {
2266 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2267 if (access(buf
, R_OK
) == 0) {
2268 trace_load_file(name
, buf
);
2276 static inline bool nonempty_str(const char *str
)
2281 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2285 const char *name
, *file
, *str
;
2286 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2288 if (fw_cfg
== NULL
) {
2289 error_report("fw_cfg device not available");
2292 name
= qemu_opt_get(opts
, "name");
2293 file
= qemu_opt_get(opts
, "file");
2294 str
= qemu_opt_get(opts
, "string");
2296 /* we need name and either a file or the content string */
2297 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2298 error_report("invalid argument(s)");
2301 if (nonempty_str(file
) && nonempty_str(str
)) {
2302 error_report("file and string are mutually exclusive");
2305 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2306 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2309 if (strncmp(name
, "opt/", 4) != 0) {
2310 error_report("warning: externally provided fw_cfg item names "
2311 "should be prefixed with \"opt/\"");
2313 if (nonempty_str(str
)) {
2314 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2315 buf
= g_memdup(str
, size
);
2317 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2318 error_report("can't load %s", file
);
2322 /* For legacy, keep user files in a specific global order. */
2323 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2324 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2325 fw_cfg_reset_order_override(fw_cfg
);
2329 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2331 return qdev_device_help(opts
);
2334 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2339 dev
= qdev_device_add(opts
, &err
);
2341 error_report_err(err
);
2344 object_unref(OBJECT(dev
));
2348 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2350 Error
*local_err
= NULL
;
2352 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2354 error_report_err(local_err
);
2360 #ifdef CONFIG_VIRTFS
2361 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2364 ret
= qemu_fsdev_add(opts
);
2370 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2372 CharDriverState
*chr
;
2373 const char *chardev
;
2377 mode
= qemu_opt_get(opts
, "mode");
2381 if (strcmp(mode
, "readline") == 0) {
2382 flags
= MONITOR_USE_READLINE
;
2383 } else if (strcmp(mode
, "control") == 0) {
2384 flags
= MONITOR_USE_CONTROL
;
2386 error_report("unknown monitor mode \"%s\"", mode
);
2390 if (qemu_opt_get_bool(opts
, "pretty", 0))
2391 flags
|= MONITOR_USE_PRETTY
;
2393 if (qemu_opt_get_bool(opts
, "default", 0))
2394 flags
|= MONITOR_IS_DEFAULT
;
2396 chardev
= qemu_opt_get(opts
, "chardev");
2397 chr
= qemu_chr_find(chardev
);
2399 error_report("chardev \"%s\" not found", chardev
);
2403 qemu_chr_fe_claim_no_fail(chr
);
2404 monitor_init(chr
, flags
);
2408 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2410 static int monitor_device_index
= 0;
2411 Error
*local_err
= NULL
;
2417 if (strstart(optarg
, "chardev:", &p
)) {
2418 snprintf(label
, sizeof(label
), "%s", p
);
2420 snprintf(label
, sizeof(label
), "compat_monitor%d",
2421 monitor_device_index
);
2422 if (monitor_device_index
== 0) {
2425 opts
= qemu_chr_parse_compat(label
, optarg
);
2427 error_report("parse error: %s", optarg
);
2432 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2434 error_report_err(local_err
);
2437 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2438 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2439 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2441 qemu_opt_set(opts
, "default", "on", &error_abort
);
2442 monitor_device_index
++;
2445 struct device_config
{
2447 DEV_USB
, /* -usbdevice */
2449 DEV_SERIAL
, /* -serial */
2450 DEV_PARALLEL
, /* -parallel */
2451 DEV_VIRTCON
, /* -virtioconsole */
2452 DEV_DEBUGCON
, /* -debugcon */
2453 DEV_GDB
, /* -gdb, -s */
2454 DEV_SCLP
, /* s390 sclp */
2456 const char *cmdline
;
2458 QTAILQ_ENTRY(device_config
) next
;
2461 static QTAILQ_HEAD(, device_config
) device_configs
=
2462 QTAILQ_HEAD_INITIALIZER(device_configs
);
2464 static void add_device_config(int type
, const char *cmdline
)
2466 struct device_config
*conf
;
2468 conf
= g_malloc0(sizeof(*conf
));
2470 conf
->cmdline
= cmdline
;
2471 loc_save(&conf
->loc
);
2472 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2475 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2477 struct device_config
*conf
;
2480 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2481 if (conf
->type
!= type
)
2483 loc_push_restore(&conf
->loc
);
2484 rc
= func(conf
->cmdline
);
2485 loc_pop(&conf
->loc
);
2493 static int serial_parse(const char *devname
)
2495 static int index
= 0;
2498 if (strcmp(devname
, "none") == 0)
2500 if (index
== MAX_SERIAL_PORTS
) {
2501 error_report("too many serial ports");
2504 snprintf(label
, sizeof(label
), "serial%d", index
);
2505 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2506 if (!serial_hds
[index
]) {
2507 error_report("could not connect serial device"
2508 " to character backend '%s'", devname
);
2515 static int parallel_parse(const char *devname
)
2517 static int index
= 0;
2520 if (strcmp(devname
, "none") == 0)
2522 if (index
== MAX_PARALLEL_PORTS
) {
2523 error_report("too many parallel ports");
2526 snprintf(label
, sizeof(label
), "parallel%d", index
);
2527 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2528 if (!parallel_hds
[index
]) {
2529 error_report("could not connect parallel device"
2530 " to character backend '%s'", devname
);
2537 static int virtcon_parse(const char *devname
)
2539 QemuOptsList
*device
= qemu_find_opts("device");
2540 static int index
= 0;
2542 QemuOpts
*bus_opts
, *dev_opts
;
2544 if (strcmp(devname
, "none") == 0)
2546 if (index
== MAX_VIRTIO_CONSOLES
) {
2547 error_report("too many virtio consoles");
2551 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2552 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2554 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2555 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2557 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2558 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2559 if (!virtcon_hds
[index
]) {
2560 error_report("could not connect virtio console"
2561 " to character backend '%s'", devname
);
2564 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2570 static int sclp_parse(const char *devname
)
2572 QemuOptsList
*device
= qemu_find_opts("device");
2573 static int index
= 0;
2577 if (strcmp(devname
, "none") == 0) {
2580 if (index
== MAX_SCLP_CONSOLES
) {
2581 error_report("too many sclp consoles");
2585 assert(arch_type
== QEMU_ARCH_S390X
);
2587 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2588 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2590 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2591 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2592 if (!sclp_hds
[index
]) {
2593 error_report("could not connect sclp console"
2594 " to character backend '%s'", devname
);
2597 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2603 static int debugcon_parse(const char *devname
)
2607 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2610 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2612 error_report("already have a debugcon device");
2615 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2616 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2620 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2622 const MachineClass
*mc1
= a
, *mc2
= b
;
2625 if (mc1
->family
== NULL
) {
2626 if (mc2
->family
== NULL
) {
2627 /* Compare standalone machine types against each other; they sort
2628 * in increasing order.
2630 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2631 object_class_get_name(OBJECT_CLASS(mc2
)));
2634 /* Standalone machine types sort after families. */
2638 if (mc2
->family
== NULL
) {
2639 /* Families sort before standalone machine types. */
2643 /* Families sort between each other alphabetically increasingly. */
2644 res
= strcmp(mc1
->family
, mc2
->family
);
2649 /* Within the same family, machine types sort in decreasing order. */
2650 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2651 object_class_get_name(OBJECT_CLASS(mc1
)));
2654 static MachineClass
*machine_parse(const char *name
)
2656 MachineClass
*mc
= NULL
;
2657 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2660 mc
= find_machine(name
);
2663 g_slist_free(machines
);
2666 if (name
&& !is_help_option(name
)) {
2667 error_report("unsupported machine type");
2668 error_printf("Use -machine help to list supported machines\n");
2670 printf("Supported machines are:\n");
2671 machines
= g_slist_sort(machines
, machine_class_cmp
);
2672 for (el
= machines
; el
; el
= el
->next
) {
2673 MachineClass
*mc
= el
->data
;
2675 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2677 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2678 mc
->is_default
? " (default)" : "");
2682 g_slist_free(machines
);
2683 exit(!name
|| !is_help_option(name
));
2686 void qemu_add_exit_notifier(Notifier
*notify
)
2688 notifier_list_add(&exit_notifiers
, notify
);
2691 void qemu_remove_exit_notifier(Notifier
*notify
)
2693 notifier_remove(notify
);
2696 static void qemu_run_exit_notifiers(void)
2698 notifier_list_notify(&exit_notifiers
, NULL
);
2701 static bool machine_init_done
;
2703 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2705 notifier_list_add(&machine_init_done_notifiers
, notify
);
2706 if (machine_init_done
) {
2707 notify
->notify(notify
, NULL
);
2711 static void qemu_run_machine_init_done_notifiers(void)
2713 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2714 machine_init_done
= true;
2717 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2718 const char **poptarg
, int *poptind
)
2720 const QEMUOption
*popt
;
2721 int optind
= *poptind
;
2722 char *r
= argv
[optind
];
2725 loc_set_cmdline(argv
, optind
, 1);
2727 /* Treat --foo the same as -foo. */
2730 popt
= qemu_options
;
2733 error_report("invalid option");
2736 if (!strcmp(popt
->name
, r
+ 1))
2740 if (popt
->flags
& HAS_ARG
) {
2741 if (optind
>= argc
) {
2742 error_report("requires an argument");
2745 optarg
= argv
[optind
++];
2746 loc_set_cmdline(argv
, optind
- 2, 2);
2757 static MachineClass
*select_machine(void)
2759 MachineClass
*machine_class
= find_default_machine();
2764 loc_push_none(&loc
);
2766 opts
= qemu_get_machine_opts();
2767 qemu_opts_loc_restore(opts
);
2769 optarg
= qemu_opt_get(opts
, "type");
2771 machine_class
= machine_parse(optarg
);
2774 if (!machine_class
) {
2775 error_report("No machine specified, and there is no default");
2776 error_printf("Use -machine help to list supported machines\n");
2781 return machine_class
;
2784 static int machine_set_property(void *opaque
,
2785 const char *name
, const char *value
,
2788 Object
*obj
= OBJECT(opaque
);
2789 Error
*local_err
= NULL
;
2792 if (strcmp(name
, "type") == 0) {
2796 qom_name
= g_strdup(name
);
2804 object_property_parse(obj
, value
, qom_name
, &local_err
);
2808 error_report_err(local_err
);
2817 * Initial object creation happens before all other
2818 * QEMU data types are created. The majority of objects
2819 * can be created at this point. The rng-egd object
2820 * cannot be created here, as it depends on the chardev
2823 static bool object_create_initial(const char *type
)
2825 if (g_str_equal(type
, "rng-egd")) {
2830 * return false for concrete netfilters since
2831 * they depend on netdevs already existing
2833 if (g_str_equal(type
, "filter-buffer") ||
2834 g_str_equal(type
, "filter-dump") ||
2835 g_str_equal(type
, "filter-mirror") ||
2836 g_str_equal(type
, "filter-redirector")) {
2845 * The remainder of object creation happens after the
2846 * creation of chardev, fsdev, net clients and device data types.
2848 static bool object_create_delayed(const char *type
)
2850 return !object_create_initial(type
);
2854 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2858 const char *mem_str
;
2859 const char *maxmem_str
, *slots_str
;
2860 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2861 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2864 loc_push_none(&loc
);
2865 qemu_opts_loc_restore(opts
);
2868 mem_str
= qemu_opt_get(opts
, "size");
2871 error_report("missing 'size' option value");
2875 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2877 /* Fix up legacy suffix-less format */
2878 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2879 uint64_t overflow_check
= sz
;
2882 if ((sz
>> 20) != overflow_check
) {
2883 error_report("too large 'size' option value");
2889 /* backward compatibility behaviour for case "-m 0" */
2891 sz
= default_ram_size
;
2894 sz
= QEMU_ALIGN_UP(sz
, 8192);
2896 if (ram_size
!= sz
) {
2897 error_report("ram size too large");
2901 /* store value for the future use */
2902 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2903 *maxram_size
= ram_size
;
2905 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2906 slots_str
= qemu_opt_get(opts
, "slots");
2907 if (maxmem_str
&& slots_str
) {
2910 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2911 slots
= qemu_opt_get_number(opts
, "slots", 0);
2912 if (sz
< ram_size
) {
2913 error_report("invalid value of -m option maxmem: "
2914 "maximum memory size (0x%" PRIx64
") must be at least "
2915 "the initial memory size (0x" RAM_ADDR_FMT
")",
2918 } else if (sz
> ram_size
) {
2920 error_report("invalid value of -m option: maxmem was "
2921 "specified, but no hotplug slots were specified");
2925 error_report("invalid value of -m option maxmem: "
2926 "memory slots were specified but maximum memory size "
2927 "(0x%" PRIx64
") is equal to the initial memory size "
2928 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2934 } else if ((!maxmem_str
&& slots_str
) ||
2935 (maxmem_str
&& !slots_str
)) {
2936 error_report("invalid -m option value: missing "
2937 "'%s' option", slots_str
? "maxmem" : "slots");
2944 int main(int argc
, char **argv
, char **envp
)
2947 int snapshot
, linux_boot
;
2948 const char *initrd_filename
;
2949 const char *kernel_filename
, *kernel_cmdline
;
2950 const char *boot_order
= NULL
;
2951 const char *boot_once
= NULL
;
2953 int cyls
, heads
, secs
, translation
;
2954 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2955 QemuOptsList
*olist
;
2958 const char *loadvm
= NULL
;
2959 MachineClass
*machine_class
;
2960 const char *cpu_model
;
2961 const char *vga_model
= NULL
;
2962 const char *qtest_chrdev
= NULL
;
2963 const char *qtest_log
= NULL
;
2964 const char *pid_file
= NULL
;
2965 const char *incoming
= NULL
;
2966 int show_vnc_port
= 0;
2967 bool defconfig
= true;
2968 bool userconfig
= true;
2969 bool nographic
= false;
2970 DisplayType display_type
= DT_DEFAULT
;
2971 int display_remote
= 0;
2972 const char *log_mask
= NULL
;
2973 const char *log_file
= NULL
;
2974 char *trace_file
= NULL
;
2975 ram_addr_t maxram_size
;
2976 uint64_t ram_slots
= 0;
2977 FILE *vmstate_dump_file
= NULL
;
2978 Error
*main_loop_err
= NULL
;
2981 qemu_init_cpu_loop();
2982 qemu_mutex_lock_iothread();
2984 atexit(qemu_run_exit_notifiers
);
2985 error_set_progname(argv
[0]);
2986 qemu_init_exec_dir(argv
[0]);
2988 module_call_init(MODULE_INIT_QOM
);
2990 qemu_add_opts(&qemu_drive_opts
);
2991 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2992 qemu_add_drive_opts(&qemu_common_drive_opts
);
2993 qemu_add_drive_opts(&qemu_drive_opts
);
2994 qemu_add_opts(&qemu_chardev_opts
);
2995 qemu_add_opts(&qemu_device_opts
);
2996 qemu_add_opts(&qemu_netdev_opts
);
2997 qemu_add_opts(&qemu_net_opts
);
2998 qemu_add_opts(&qemu_rtc_opts
);
2999 qemu_add_opts(&qemu_global_opts
);
3000 qemu_add_opts(&qemu_mon_opts
);
3001 qemu_add_opts(&qemu_trace_opts
);
3002 qemu_add_opts(&qemu_option_rom_opts
);
3003 qemu_add_opts(&qemu_machine_opts
);
3004 qemu_add_opts(&qemu_mem_opts
);
3005 qemu_add_opts(&qemu_smp_opts
);
3006 qemu_add_opts(&qemu_boot_opts
);
3007 qemu_add_opts(&qemu_sandbox_opts
);
3008 qemu_add_opts(&qemu_add_fd_opts
);
3009 qemu_add_opts(&qemu_object_opts
);
3010 qemu_add_opts(&qemu_tpmdev_opts
);
3011 qemu_add_opts(&qemu_realtime_opts
);
3012 qemu_add_opts(&qemu_msg_opts
);
3013 qemu_add_opts(&qemu_name_opts
);
3014 qemu_add_opts(&qemu_numa_opts
);
3015 qemu_add_opts(&qemu_icount_opts
);
3016 qemu_add_opts(&qemu_semihosting_config_opts
);
3017 qemu_add_opts(&qemu_fw_cfg_opts
);
3018 module_call_init(MODULE_INIT_OPTS
);
3022 if (qcrypto_init(&err
) < 0) {
3023 error_reportf_err(err
, "cannot initialize crypto: ");
3026 rtc_clock
= QEMU_CLOCK_HOST
;
3028 QLIST_INIT (&vm_change_state_head
);
3029 os_setup_early_signal_handling();
3033 cyls
= heads
= secs
= 0;
3034 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3038 bdrv_init_with_whitelist();
3042 /* first pass of option parsing */
3044 while (optind
< argc
) {
3045 if (argv
[optind
][0] != '-') {
3049 const QEMUOption
*popt
;
3051 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3052 switch (popt
->index
) {
3053 case QEMU_OPTION_nodefconfig
:
3056 case QEMU_OPTION_nouserconfig
:
3065 ret
= qemu_read_default_config_files(userconfig
);
3071 /* second pass of option parsing */
3076 if (argv
[optind
][0] != '-') {
3077 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3079 const QEMUOption
*popt
;
3081 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3082 if (!(popt
->arch_mask
& arch_type
)) {
3083 printf("Option %s not supported for this target\n", popt
->name
);
3086 switch(popt
->index
) {
3087 case QEMU_OPTION_no_kvm_irqchip
: {
3088 olist
= qemu_find_opts("machine");
3089 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3092 case QEMU_OPTION_cpu
:
3093 /* hw initialization will check this */
3096 case QEMU_OPTION_hda
:
3100 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3102 snprintf(buf
, sizeof(buf
),
3103 "%s,cyls=%d,heads=%d,secs=%d%s",
3104 HD_OPTS
, cyls
, heads
, secs
,
3105 translation
== BIOS_ATA_TRANSLATION_LBA
?
3107 translation
== BIOS_ATA_TRANSLATION_NONE
?
3108 ",trans=none" : "");
3109 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3112 case QEMU_OPTION_hdb
:
3113 case QEMU_OPTION_hdc
:
3114 case QEMU_OPTION_hdd
:
3115 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3118 case QEMU_OPTION_drive
:
3119 if (drive_def(optarg
) == NULL
) {
3123 case QEMU_OPTION_set
:
3124 if (qemu_set_option(optarg
) != 0)
3127 case QEMU_OPTION_global
:
3128 if (qemu_global_option(optarg
) != 0)
3131 case QEMU_OPTION_mtdblock
:
3132 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3134 case QEMU_OPTION_sd
:
3135 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3137 case QEMU_OPTION_pflash
:
3138 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3140 case QEMU_OPTION_snapshot
:
3143 case QEMU_OPTION_hdachs
:
3147 cyls
= strtol(p
, (char **)&p
, 0);
3148 if (cyls
< 1 || cyls
> 16383)
3153 heads
= strtol(p
, (char **)&p
, 0);
3154 if (heads
< 1 || heads
> 16)
3159 secs
= strtol(p
, (char **)&p
, 0);
3160 if (secs
< 1 || secs
> 63)
3164 if (!strcmp(p
, "large")) {
3165 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3166 } else if (!strcmp(p
, "rechs")) {
3167 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3168 } else if (!strcmp(p
, "none")) {
3169 translation
= BIOS_ATA_TRANSLATION_NONE
;
3170 } else if (!strcmp(p
, "lba")) {
3171 translation
= BIOS_ATA_TRANSLATION_LBA
;
3172 } else if (!strcmp(p
, "auto")) {
3173 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3177 } else if (*p
!= '\0') {
3179 error_report("invalid physical CHS format");
3182 if (hda_opts
!= NULL
) {
3183 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3185 qemu_opt_set_number(hda_opts
, "heads", heads
,
3187 qemu_opt_set_number(hda_opts
, "secs", secs
,
3189 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3190 qemu_opt_set(hda_opts
, "trans", "large",
3192 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3193 qemu_opt_set(hda_opts
, "trans", "rechs",
3195 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3196 qemu_opt_set(hda_opts
, "trans", "lba",
3198 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3199 qemu_opt_set(hda_opts
, "trans", "none",
3205 case QEMU_OPTION_numa
:
3206 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3212 case QEMU_OPTION_display
:
3213 display_type
= select_display(optarg
);
3215 case QEMU_OPTION_nographic
:
3216 olist
= qemu_find_opts("machine");
3217 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3219 display_type
= DT_NONE
;
3221 case QEMU_OPTION_curses
:
3222 #ifdef CONFIG_CURSES
3223 display_type
= DT_CURSES
;
3225 error_report("curses support is disabled");
3229 case QEMU_OPTION_portrait
:
3230 graphic_rotate
= 90;
3232 case QEMU_OPTION_rotate
:
3233 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3234 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3235 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3236 error_report("only 90, 180, 270 deg rotation is available");
3240 case QEMU_OPTION_kernel
:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3244 case QEMU_OPTION_initrd
:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3248 case QEMU_OPTION_append
:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3252 case QEMU_OPTION_dtb
:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3256 case QEMU_OPTION_cdrom
:
3257 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3259 case QEMU_OPTION_boot
:
3260 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3266 case QEMU_OPTION_fda
:
3267 case QEMU_OPTION_fdb
:
3268 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3271 case QEMU_OPTION_no_fd_bootchk
:
3274 case QEMU_OPTION_netdev
:
3275 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3279 case QEMU_OPTION_net
:
3280 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3284 #ifdef CONFIG_LIBISCSI
3285 case QEMU_OPTION_iscsi
:
3286 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3294 case QEMU_OPTION_tftp
:
3295 error_report("The -tftp option is deprecated. "
3296 "Please use '-netdev user,tftp=...' instead.");
3297 legacy_tftp_prefix
= optarg
;
3299 case QEMU_OPTION_bootp
:
3300 error_report("The -bootp option is deprecated. "
3301 "Please use '-netdev user,bootfile=...' instead.");
3302 legacy_bootp_filename
= optarg
;
3304 case QEMU_OPTION_redir
:
3305 error_report("The -redir option is deprecated. "
3306 "Please use '-netdev user,hostfwd=...' instead.");
3307 if (net_slirp_redir(optarg
) < 0)
3311 case QEMU_OPTION_bt
:
3312 add_device_config(DEV_BT
, optarg
);
3314 case QEMU_OPTION_audio_help
:
3318 case QEMU_OPTION_soundhw
:
3319 select_soundhw (optarg
);
3324 case QEMU_OPTION_version
:
3329 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3336 case QEMU_OPTION_tpmdev
:
3337 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3342 case QEMU_OPTION_mempath
:
3345 case QEMU_OPTION_mem_prealloc
:
3354 case QEMU_OPTION_DFILTER
:
3355 qemu_set_dfilter_ranges(optarg
);
3358 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3360 case QEMU_OPTION_gdb
:
3361 add_device_config(DEV_GDB
, optarg
);
3364 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3365 data_dir
[data_dir_idx
++] = optarg
;
3368 case QEMU_OPTION_bios
:
3369 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3372 case QEMU_OPTION_singlestep
:
3379 keyboard_layout
= optarg
;
3381 case QEMU_OPTION_localtime
:
3384 case QEMU_OPTION_vga
:
3393 w
= strtol(p
, (char **)&p
, 10);
3396 error_report("invalid resolution or depth");
3402 h
= strtol(p
, (char **)&p
, 10);
3407 depth
= strtol(p
, (char **)&p
, 10);
3408 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3409 depth
!= 24 && depth
!= 32)
3411 } else if (*p
== '\0') {
3412 depth
= graphic_depth
;
3419 graphic_depth
= depth
;
3422 case QEMU_OPTION_echr
:
3425 term_escape_char
= strtol(optarg
, &r
, 0);
3427 printf("Bad argument to echr\n");
3430 case QEMU_OPTION_monitor
:
3431 default_monitor
= 0;
3432 if (strncmp(optarg
, "none", 4)) {
3433 monitor_parse(optarg
, "readline", false);
3436 case QEMU_OPTION_qmp
:
3437 monitor_parse(optarg
, "control", false);
3438 default_monitor
= 0;
3440 case QEMU_OPTION_qmp_pretty
:
3441 monitor_parse(optarg
, "control", true);
3442 default_monitor
= 0;
3444 case QEMU_OPTION_mon
:
3445 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3450 default_monitor
= 0;
3452 case QEMU_OPTION_chardev
:
3453 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3459 case QEMU_OPTION_fsdev
:
3460 olist
= qemu_find_opts("fsdev");
3462 error_report("fsdev support is disabled");
3465 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3470 case QEMU_OPTION_virtfs
: {
3473 const char *writeout
, *sock_fd
, *socket
;
3475 olist
= qemu_find_opts("virtfs");
3477 error_report("virtfs support is disabled");
3480 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3485 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3486 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3487 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3490 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3491 qemu_opt_get(opts
, "mount_tag"),
3494 error_report("duplicate fsdev id: %s",
3495 qemu_opt_get(opts
, "mount_tag"));
3499 writeout
= qemu_opt_get(opts
, "writeout");
3501 #ifdef CONFIG_SYNC_FILE_RANGE
3502 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3504 error_report("writeout=immediate not supported "
3505 "on this platform");
3509 qemu_opt_set(fsdev
, "fsdriver",
3510 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3511 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3513 qemu_opt_set(fsdev
, "security_model",
3514 qemu_opt_get(opts
, "security_model"),
3516 socket
= qemu_opt_get(opts
, "socket");
3518 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3520 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3522 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3525 qemu_opt_set_bool(fsdev
, "readonly",
3526 qemu_opt_get_bool(opts
, "readonly", 0),
3528 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3530 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3531 qemu_opt_set(device
, "fsdev",
3532 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3533 qemu_opt_set(device
, "mount_tag",
3534 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3537 case QEMU_OPTION_virtfs_synth
: {
3541 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3544 error_report("duplicate option: %s", "virtfs_synth");
3547 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3549 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3551 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3552 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3553 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3556 case QEMU_OPTION_serial
:
3557 add_device_config(DEV_SERIAL
, optarg
);
3559 if (strncmp(optarg
, "mon:", 4) == 0) {
3560 default_monitor
= 0;
3563 case QEMU_OPTION_watchdog
:
3565 error_report("only one watchdog option may be given");
3570 case QEMU_OPTION_watchdog_action
:
3571 if (select_watchdog_action(optarg
) == -1) {
3572 error_report("unknown -watchdog-action parameter");
3576 case QEMU_OPTION_virtiocon
:
3577 add_device_config(DEV_VIRTCON
, optarg
);
3578 default_virtcon
= 0;
3579 if (strncmp(optarg
, "mon:", 4) == 0) {
3580 default_monitor
= 0;
3583 case QEMU_OPTION_parallel
:
3584 add_device_config(DEV_PARALLEL
, optarg
);
3585 default_parallel
= 0;
3586 if (strncmp(optarg
, "mon:", 4) == 0) {
3587 default_monitor
= 0;
3590 case QEMU_OPTION_debugcon
:
3591 add_device_config(DEV_DEBUGCON
, optarg
);
3593 case QEMU_OPTION_loadvm
:
3596 case QEMU_OPTION_full_screen
:
3599 case QEMU_OPTION_no_frame
:
3602 case QEMU_OPTION_alt_grab
:
3605 case QEMU_OPTION_ctrl_grab
:
3608 case QEMU_OPTION_no_quit
:
3611 case QEMU_OPTION_sdl
:
3613 display_type
= DT_SDL
;
3616 error_report("SDL support is disabled");
3619 case QEMU_OPTION_pidfile
:
3622 case QEMU_OPTION_win2k_hack
:
3623 win2k_install_hack
= 1;
3625 case QEMU_OPTION_rtc_td_hack
: {
3626 static GlobalProperty slew_lost_ticks
= {
3627 .driver
= "mc146818rtc",
3628 .property
= "lost_tick_policy",
3632 qdev_prop_register_global(&slew_lost_ticks
);
3635 case QEMU_OPTION_acpitable
:
3636 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3641 do_acpitable_option(opts
);
3643 case QEMU_OPTION_smbios
:
3644 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3649 do_smbios_option(opts
);
3651 case QEMU_OPTION_fwcfg
:
3652 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3658 case QEMU_OPTION_enable_kvm
:
3659 olist
= qemu_find_opts("machine");
3660 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3663 case QEMU_OPTION_machine
:
3664 olist
= qemu_find_opts("machine");
3665 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3670 case QEMU_OPTION_no_kvm
:
3671 olist
= qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3674 case QEMU_OPTION_no_kvm_pit
: {
3675 error_report("warning: ignoring deprecated option");
3678 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3679 static GlobalProperty kvm_pit_lost_tick_policy
= {
3680 .driver
= "kvm-pit",
3681 .property
= "lost_tick_policy",
3685 error_report("warning: deprecated, replaced by "
3686 "-global kvm-pit.lost_tick_policy=discard");
3687 qdev_prop_register_global(&kvm_pit_lost_tick_policy
);
3690 case QEMU_OPTION_usb
:
3691 olist
= qemu_find_opts("machine");
3692 qemu_opts_parse_noisily(olist
, "usb=on", false);
3694 case QEMU_OPTION_usbdevice
:
3695 olist
= qemu_find_opts("machine");
3696 qemu_opts_parse_noisily(olist
, "usb=on", false);
3697 add_device_config(DEV_USB
, optarg
);
3699 case QEMU_OPTION_device
:
3700 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3705 case QEMU_OPTION_smp
:
3706 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3711 case QEMU_OPTION_vnc
:
3713 Error
*local_err
= NULL
;
3715 if (vnc_parse(optarg
, &local_err
) == NULL
) {
3716 error_report_err(local_err
);
3721 case QEMU_OPTION_no_acpi
:
3724 case QEMU_OPTION_no_hpet
:
3727 case QEMU_OPTION_balloon
:
3728 if (balloon_parse(optarg
) < 0) {
3729 error_report("unknown -balloon argument %s", optarg
);
3733 case QEMU_OPTION_no_reboot
:
3736 case QEMU_OPTION_no_shutdown
:
3739 case QEMU_OPTION_show_cursor
:
3742 case QEMU_OPTION_uuid
:
3743 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3744 error_report("failed to parse UUID string: wrong format");
3747 qemu_uuid_set
= true;
3749 case QEMU_OPTION_option_rom
:
3750 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3751 error_report("too many option ROMs");
3754 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3759 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3760 option_rom
[nb_option_roms
].bootindex
=
3761 qemu_opt_get_number(opts
, "bootindex", -1);
3762 if (!option_rom
[nb_option_roms
].name
) {
3763 error_report("Option ROM file is not specified");
3768 case QEMU_OPTION_semihosting
:
3769 semihosting
.enabled
= true;
3770 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3772 case QEMU_OPTION_semihosting_config
:
3773 semihosting
.enabled
= true;
3774 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3777 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3779 const char *target
= qemu_opt_get(opts
, "target");
3780 if (target
!= NULL
) {
3781 if (strcmp("native", target
) == 0) {
3782 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3783 } else if (strcmp("gdb", target
) == 0) {
3784 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3785 } else if (strcmp("auto", target
) == 0) {
3786 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3788 error_report("unsupported semihosting-config %s",
3793 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3795 /* Set semihosting argument count and vector */
3796 qemu_opt_foreach(opts
, add_semihosting_arg
,
3797 &semihosting
, NULL
);
3799 error_report("unsupported semihosting-config %s", optarg
);
3803 case QEMU_OPTION_tdf
:
3804 error_report("warning: ignoring deprecated option");
3806 case QEMU_OPTION_name
:
3807 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3813 case QEMU_OPTION_prom_env
:
3814 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3815 error_report("too many prom variables");
3818 prom_envs
[nb_prom_envs
] = optarg
;
3821 case QEMU_OPTION_old_param
:
3824 case QEMU_OPTION_clock
:
3825 /* Clock options no longer exist. Keep this option for
3826 * backward compatibility.
3829 case QEMU_OPTION_startdate
:
3830 configure_rtc_date_offset(optarg
, 1);
3832 case QEMU_OPTION_rtc
:
3833 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3838 configure_rtc(opts
);
3840 case QEMU_OPTION_tb_size
:
3841 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3842 if (tcg_tb_size
< 0) {
3846 case QEMU_OPTION_icount
:
3847 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3853 case QEMU_OPTION_incoming
:
3855 runstate_set(RUN_STATE_INMIGRATE
);
3859 case QEMU_OPTION_nodefaults
:
3862 case QEMU_OPTION_xen_domid
:
3863 if (!(xen_available())) {
3864 printf("Option %s not supported for this target\n", popt
->name
);
3867 xen_domid
= atoi(optarg
);
3869 case QEMU_OPTION_xen_create
:
3870 if (!(xen_available())) {
3871 printf("Option %s not supported for this target\n", popt
->name
);
3874 xen_mode
= XEN_CREATE
;
3876 case QEMU_OPTION_xen_attach
:
3877 if (!(xen_available())) {
3878 printf("Option %s not supported for this target\n", popt
->name
);
3881 xen_mode
= XEN_ATTACH
;
3883 case QEMU_OPTION_trace
:
3885 opts
= qemu_opts_parse_noisily(qemu_find_opts("trace"),
3890 if (qemu_opt_get(opts
, "enable")) {
3891 trace_enable_events(qemu_opt_get(opts
, "enable"));
3893 trace_init_events(qemu_opt_get(opts
, "events"));
3897 trace_file
= g_strdup(qemu_opt_get(opts
, "file"));
3898 qemu_opts_del(opts
);
3901 case QEMU_OPTION_readconfig
:
3903 int ret
= qemu_read_config_file(optarg
);
3905 error_report("read config %s: %s", optarg
,
3911 case QEMU_OPTION_spice
:
3912 olist
= qemu_find_opts("spice");
3914 error_report("spice support is disabled");
3917 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3923 case QEMU_OPTION_writeconfig
:
3926 if (strcmp(optarg
, "-") == 0) {
3929 fp
= fopen(optarg
, "w");
3931 error_report("open %s: %s", optarg
,
3936 qemu_config_write(fp
);
3942 case QEMU_OPTION_qtest
:
3943 qtest_chrdev
= optarg
;
3945 case QEMU_OPTION_qtest_log
:
3948 case QEMU_OPTION_sandbox
:
3949 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3955 case QEMU_OPTION_add_fd
:
3957 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3963 error_report("File descriptor passing is disabled on this "
3968 case QEMU_OPTION_object
:
3969 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3975 case QEMU_OPTION_realtime
:
3976 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3981 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3983 case QEMU_OPTION_msg
:
3984 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3989 configure_msg(opts
);
3991 case QEMU_OPTION_dump_vmstate
:
3992 if (vmstate_dump_file
) {
3993 error_report("only one '-dump-vmstate' "
3994 "option may be given");
3997 vmstate_dump_file
= fopen(optarg
, "w");
3998 if (vmstate_dump_file
== NULL
) {
3999 error_report("open %s: %s", optarg
, strerror(errno
));
4004 os_parse_cmd_args(popt
->index
, optarg
);
4009 * Clear error location left behind by the loop.
4010 * Best done right after the loop. Do not insert code here!
4014 replay_configure(icount_opts
);
4016 machine_class
= select_machine();
4018 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4022 if (qemu_init_main_loop(&main_loop_err
)) {
4023 error_report_err(main_loop_err
);
4027 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4028 parse_sandbox
, NULL
, NULL
)) {
4032 if (qemu_opts_foreach(qemu_find_opts("name"),
4033 parse_name
, NULL
, NULL
)) {
4038 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4039 parse_add_fd
, NULL
, NULL
)) {
4043 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4044 cleanup_add_fd
, NULL
, NULL
)) {
4049 current_machine
= MACHINE(object_new(object_class_get_name(
4050 OBJECT_CLASS(machine_class
))));
4051 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4054 object_property_add_child(object_get_root(), "machine",
4055 OBJECT(current_machine
), &error_abort
);
4056 cpu_exec_init_all();
4058 if (machine_class
->hw_version
) {
4059 qemu_set_hw_version(machine_class
->hw_version
);
4062 /* Init CPU def lists, based on config
4063 * - Must be called after all the qemu_read_config_file() calls
4064 * - Must be called before list_cpus()
4065 * - Must be called before machine_class->init()
4069 if (cpu_model
&& is_help_option(cpu_model
)) {
4070 list_cpus(stdout
, &fprintf
, cpu_model
);
4074 if (!trace_init_backends()) {
4077 trace_init_file(trace_file
);
4079 /* Open the logfile at this point and set the log mask if necessary.
4082 qemu_set_log_filename(log_file
);
4087 mask
= qemu_str_to_log_mask(log_mask
);
4089 qemu_print_log_usage(stdout
);
4097 /* If no data_dir is specified then try to find it relative to the
4099 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4100 data_dir
[data_dir_idx
] = os_find_datadir();
4101 if (data_dir
[data_dir_idx
] != NULL
) {
4105 /* If all else fails use the install path specified when building. */
4106 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4107 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4110 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4112 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4113 if (max_cpus
> machine_class
->max_cpus
) {
4114 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4115 "supported by machine '%s' (%d)", max_cpus
,
4116 machine_class
->name
, machine_class
->max_cpus
);
4121 * Get the default machine options from the machine if it is not already
4122 * specified either by the configuration file or by the command line.
4124 if (machine_class
->default_machine_opts
) {
4125 qemu_opts_set_defaults(qemu_find_opts("machine"),
4126 machine_class
->default_machine_opts
, 0);
4129 qemu_opts_foreach(qemu_find_opts("device"),
4130 default_driver_check
, NULL
, NULL
);
4131 qemu_opts_foreach(qemu_find_opts("global"),
4132 default_driver_check
, NULL
, NULL
);
4134 if (!vga_model
&& !default_vga
) {
4135 vga_interface_type
= VGA_DEVICE
;
4137 if (!has_defaults
|| machine_class
->no_serial
) {
4140 if (!has_defaults
|| machine_class
->no_parallel
) {
4141 default_parallel
= 0;
4143 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4144 default_virtcon
= 0;
4146 if (!has_defaults
|| !machine_class
->use_sclp
) {
4149 if (!has_defaults
|| machine_class
->no_floppy
) {
4152 if (!has_defaults
|| machine_class
->no_cdrom
) {
4155 if (!has_defaults
|| machine_class
->no_sdcard
) {
4158 if (!has_defaults
) {
4159 default_monitor
= 0;
4164 if (is_daemonized()) {
4165 /* According to documentation and historically, -nographic redirects
4166 * serial port, parallel port and monitor to stdio, which does not work
4167 * with -daemonize. We can redirect these to null instead, but since
4168 * -nographic is legacy, let's just error out.
4169 * We disallow -nographic only if all other ports are not redirected
4170 * explicitly, to not break existing legacy setups which uses
4171 * -nographic _and_ redirects all ports explicitly - this is valid
4172 * usage, -nographic is just a no-op in this case.
4175 && (default_parallel
|| default_serial
4176 || default_monitor
|| default_virtcon
)) {
4177 error_report("-nographic cannot be used with -daemonize");
4180 #ifdef CONFIG_CURSES
4181 if (display_type
== DT_CURSES
) {
4182 error_report("curses display cannot be used with -daemonize");
4189 if (default_parallel
)
4190 add_device_config(DEV_PARALLEL
, "null");
4191 if (default_serial
&& default_monitor
) {
4192 add_device_config(DEV_SERIAL
, "mon:stdio");
4193 } else if (default_virtcon
&& default_monitor
) {
4194 add_device_config(DEV_VIRTCON
, "mon:stdio");
4195 } else if (default_sclp
&& default_monitor
) {
4196 add_device_config(DEV_SCLP
, "mon:stdio");
4199 add_device_config(DEV_SERIAL
, "stdio");
4200 if (default_virtcon
)
4201 add_device_config(DEV_VIRTCON
, "stdio");
4203 add_device_config(DEV_SCLP
, "stdio");
4205 if (default_monitor
)
4206 monitor_parse("stdio", "readline", false);
4210 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4211 if (default_parallel
)
4212 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4213 if (default_monitor
)
4214 monitor_parse("vc:80Cx24C", "readline", false);
4215 if (default_virtcon
)
4216 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4218 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4222 #if defined(CONFIG_VNC)
4223 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4227 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4228 #if defined(CONFIG_GTK)
4229 display_type
= DT_GTK
;
4230 #elif defined(CONFIG_SDL)
4231 display_type
= DT_SDL
;
4232 #elif defined(CONFIG_COCOA)
4233 display_type
= DT_COCOA
;
4234 #elif defined(CONFIG_VNC)
4235 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4238 display_type
= DT_NONE
;
4242 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4243 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4244 "for SDL, ignoring option");
4246 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4247 error_report("-no-quit is only valid for GTK and SDL, "
4251 if (display_type
== DT_GTK
) {
4252 early_gtk_display_init(request_opengl
);
4255 if (display_type
== DT_SDL
) {
4256 sdl_display_early_init(request_opengl
);
4259 if (request_opengl
== 1 && display_opengl
== 0) {
4260 #if defined(CONFIG_OPENGL)
4261 error_report("OpenGL is not supported by the display");
4263 error_report("OpenGL support is disabled");
4271 if (qemu_opts_foreach(qemu_find_opts("object"),
4272 user_creatable_add_opts_foreach
,
4273 object_create_initial
, NULL
)) {
4277 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4278 chardev_init_func
, NULL
, NULL
)) {
4282 #ifdef CONFIG_VIRTFS
4283 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4284 fsdev_init_func
, NULL
, NULL
)) {
4289 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4290 error_report("could not acquire pid file: %s", strerror(errno
));
4294 if (qemu_opts_foreach(qemu_find_opts("device"),
4295 device_help_func
, NULL
, NULL
)) {
4299 machine_opts
= qemu_get_machine_opts();
4300 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4302 object_unref(OBJECT(current_machine
));
4306 configure_accelerator(current_machine
);
4309 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4312 machine_opts
= qemu_get_machine_opts();
4313 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4314 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4315 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4316 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4318 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4320 boot_order
= qemu_opt_get(opts
, "order");
4322 validate_bootdevices(boot_order
, &error_fatal
);
4325 boot_once
= qemu_opt_get(opts
, "once");
4327 validate_bootdevices(boot_once
, &error_fatal
);
4330 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4331 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4335 boot_order
= machine_class
->default_boot_order
;
4338 if (!kernel_cmdline
) {
4339 kernel_cmdline
= "";
4340 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4343 linux_boot
= (kernel_filename
!= NULL
);
4345 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4346 error_report("-append only allowed with -kernel option");
4350 if (!linux_boot
&& initrd_filename
!= NULL
) {
4351 error_report("-initrd only allowed with -kernel option");
4355 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4356 error_report("-dtb only allowed with -kernel option");
4360 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4361 /* fall back to the -kernel/-append */
4362 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4365 os_set_line_buffering();
4367 /* spice needs the timers to be initialized by this point */
4372 if (kvm_enabled() || xen_enabled()) {
4373 error_report("-icount is not allowed with kvm or xen");
4376 configure_icount(icount_opts
, &error_abort
);
4377 qemu_opts_del(icount_opts
);
4380 /* clean up network at qemu process termination */
4381 atexit(&net_cleanup
);
4383 if (net_init_clients() < 0) {
4387 if (qemu_opts_foreach(qemu_find_opts("object"),
4388 user_creatable_add_opts_foreach
,
4389 object_create_delayed
, NULL
)) {
4394 if (tpm_init() < 0) {
4399 /* init the bluetooth world */
4400 if (foreach_device_config(DEV_BT
, bt_parse
))
4403 if (!xen_enabled()) {
4404 /* On 32-bit hosts, QEMU is limited by virtual address space */
4405 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4406 error_report("at most 2047 MB RAM can be simulated");
4414 /* If the currently selected machine wishes to override the units-per-bus
4415 * property of its default HBA interface type, do so now. */
4416 if (machine_class
->units_per_default_bus
) {
4417 override_max_devs(machine_class
->block_default_type
,
4418 machine_class
->units_per_default_bus
);
4421 /* open the virtual block devices */
4422 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4423 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4426 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4427 &machine_class
->block_default_type
, NULL
)) {
4431 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4433 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4434 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4436 parse_numa_opts(machine_class
);
4438 if (qemu_opts_foreach(qemu_find_opts("mon"),
4439 mon_init_func
, NULL
, NULL
)) {
4443 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4445 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4447 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4449 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4452 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4455 /* If no default VGA is requested, the default is "none". */
4457 if (machine_class
->default_display
) {
4458 vga_model
= machine_class
->default_display
;
4459 } else if (vga_interface_available(VGA_CIRRUS
)) {
4460 vga_model
= "cirrus";
4461 } else if (vga_interface_available(VGA_STD
)) {
4466 select_vgahw(vga_model
);
4470 i
= select_watchdog(watchdog
);
4472 exit (i
== 1 ? 1 : 0);
4475 if (machine_class
->compat_props
) {
4476 qdev_prop_register_global_list(machine_class
->compat_props
);
4480 /* This checkpoint is required by replay to separate prior clock
4481 reading from the other reads, because timer polling functions query
4482 clock values from the log. */
4483 replay_checkpoint(CHECKPOINT_INIT
);
4484 qdev_machine_init();
4486 current_machine
->ram_size
= ram_size
;
4487 current_machine
->maxram_size
= maxram_size
;
4488 current_machine
->ram_slots
= ram_slots
;
4489 current_machine
->boot_order
= boot_order
;
4490 current_machine
->cpu_model
= cpu_model
;
4492 machine_class
->init(current_machine
);
4498 cpu_synchronize_all_post_init();
4500 numa_post_machine_init();
4502 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4503 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4507 /* init USB devices */
4508 if (usb_enabled()) {
4509 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4513 /* Check if IGD GFX passthrough. */
4516 /* init generic devices */
4517 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4518 if (qemu_opts_foreach(qemu_find_opts("device"),
4519 device_init_func
, NULL
, NULL
)) {
4522 rom_reset_order_override();
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4527 net_check_clients();
4530 qemu_boot_set(boot_once
, &error_fatal
);
4531 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4534 ds
= init_displaystate();
4536 /* init local displays */
4537 switch (display_type
) {
4539 curses_display_init(ds
, full_screen
);
4542 sdl_display_init(ds
, full_screen
, no_frame
);
4545 cocoa_display_init(ds
, full_screen
);
4548 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4554 /* must be after terminal init, SDL library changes signal handlers */
4555 os_setup_signal_handling();
4557 /* init remote displays */
4558 qemu_opts_foreach(qemu_find_opts("vnc"),
4559 vnc_init_func
, NULL
, NULL
);
4560 if (show_vnc_port
) {
4561 char *ret
= vnc_display_local_addr("default");
4562 printf("VNC server running on '%s'\n", ret
);
4567 qemu_spice_display_init();
4570 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4574 qdev_machine_creation_done();
4576 /* TODO: once all bus devices are qdevified, this should be done
4577 * when bus is created by qdev.c */
4578 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4579 qemu_run_machine_init_done_notifiers();
4581 if (rom_check_and_register_reset() != 0) {
4582 error_report("rom check and register reset failed");
4588 /* This checkpoint is required by replay to separate prior clock
4589 reading from the other reads, because timer polling functions query
4590 clock values from the log. */
4591 replay_checkpoint(CHECKPOINT_RESET
);
4592 qemu_system_reset(VMRESET_SILENT
);
4593 register_global_state();
4595 if (load_vmstate(loadvm
) < 0) {
4600 qdev_prop_check_globals();
4601 if (vmstate_dump_file
) {
4603 dump_vmstate_json_to_file(vmstate_dump_file
);
4608 Error
*local_err
= NULL
;
4609 qemu_start_incoming_migration(incoming
, &local_err
);
4611 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4614 } else if (autostart
) {
4621 replay_disable_events();