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
25 #include "qemu/osdep.h"
26 #include "qemu-common.h"
27 #include "qemu/units.h"
28 #include "hw/qdev-properties.h"
29 #include "qapi/error.h"
30 #include "qemu-version.h"
31 #include "qemu/cutils.h"
32 #include "qemu/help_option.h"
33 #include "qemu/uuid.h"
34 #include "sysemu/reset.h"
35 #include "sysemu/runstate.h"
36 #include "sysemu/seccomp.h"
37 #include "sysemu/tcg.h"
40 #if defined(__APPLE__) || defined(main)
42 int qemu_main(int argc
, char **argv
, char **envp
);
43 int main(int argc
, char **argv
)
45 return qemu_main(argc
, argv
, NULL
);
48 #define main qemu_main
50 #endif /* CONFIG_SDL */
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
60 #include "sysemu/accel.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/firmware/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "chardev/char.h"
83 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/misc.h"
88 #include "migration/snapshot.h"
89 #include "migration/global_state.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "hw/audio/soundhw.h"
93 #include "audio/audio.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "migration/postcopy-ram.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qemu/option.h"
101 #include "qemu/config-file.h"
102 #include "qemu-options.h"
103 #include "qemu/main-loop.h"
105 #include "fsdev/qemu-fsdev.h"
107 #include "sysemu/qtest.h"
109 #include "disas/disas.h"
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "hw/semihosting/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-run-state.h"
129 #include "qapi/qapi-commands-ui.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132 #include "qemu/guest-random.h"
134 #define MAX_VIRTIO_CONSOLES 1
136 static const char *data_dir
[16];
137 static int data_dir_idx
;
138 const char *bios_name
= NULL
;
139 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
141 const char* keyboard_layout
= NULL
;
143 const char *mem_path
= NULL
;
144 int mem_prealloc
= 0; /* force preallocation of physical target memory */
145 bool enable_mlock
= false;
146 bool enable_cpu_pm
= false;
148 NICInfo nd_table
[MAX_NICS
];
154 } rtc_base_type
= RTC_BASE_UTC
;
155 static time_t rtc_ref_start_datetime
;
156 static int rtc_realtime_clock_offset
; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset
= -1; /* valid & used only with
159 QEMUClockType rtc_clock
;
160 int vga_interface_type
= VGA_NONE
;
161 static DisplayOptions dpy
;
162 static int num_serial_hds
;
163 static Chardev
**serial_hds
;
164 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
165 int win2k_install_hack
= 0;
167 int acpi_enabled
= 1;
170 static int no_reboot
;
173 int graphic_rotate
= 0;
174 const char *watchdog
;
175 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
178 const char *qemu_name
;
181 unsigned int nb_prom_envs
= 0;
182 const char *prom_envs
[MAX_PROM_ENVS
];
185 uint8_t *boot_splash_filedata
;
186 int only_migratable
; /* turn it off unless user states otherwise */
187 bool wakeup_suspend_enabled
;
189 int icount_align_option
;
191 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
197 static NotifierList exit_notifiers
=
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
200 static NotifierList machine_init_done_notifiers
=
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
205 enum xen_mode xen_mode
= XEN_EMULATE
;
206 bool xen_domid_restrict
;
208 static int has_defaults
= 1;
209 static int default_serial
= 1;
210 static int default_parallel
= 1;
211 static int default_monitor
= 1;
212 static int default_floppy
= 1;
213 static int default_cdrom
= 1;
214 static int default_sdcard
= 1;
215 static int default_vga
= 1;
216 static int default_net
= 1;
222 { .driver
= "isa-serial", .flag
= &default_serial
},
223 { .driver
= "isa-parallel", .flag
= &default_parallel
},
224 { .driver
= "isa-fdc", .flag
= &default_floppy
},
225 { .driver
= "floppy", .flag
= &default_floppy
},
226 { .driver
= "ide-cd", .flag
= &default_cdrom
},
227 { .driver
= "ide-hd", .flag
= &default_cdrom
},
228 { .driver
= "ide-drive", .flag
= &default_cdrom
},
229 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
230 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
231 { .driver
= "VGA", .flag
= &default_vga
},
232 { .driver
= "isa-vga", .flag
= &default_vga
},
233 { .driver
= "cirrus-vga", .flag
= &default_vga
},
234 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
235 { .driver
= "vmware-svga", .flag
= &default_vga
},
236 { .driver
= "qxl-vga", .flag
= &default_vga
},
237 { .driver
= "virtio-vga", .flag
= &default_vga
},
238 { .driver
= "ati-vga", .flag
= &default_vga
},
239 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
242 static QemuOptsList qemu_rtc_opts
= {
244 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
249 .type
= QEMU_OPT_STRING
,
252 .type
= QEMU_OPT_STRING
,
255 .type
= QEMU_OPT_STRING
,
257 { /* end of list */ }
261 static QemuOptsList qemu_option_rom_opts
= {
262 .name
= "option-rom",
263 .implied_opt_name
= "romfile",
264 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
268 .type
= QEMU_OPT_NUMBER
,
271 .type
= QEMU_OPT_STRING
,
273 { /* end of list */ }
277 static QemuOptsList qemu_machine_opts
= {
279 .implied_opt_name
= "type",
281 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
284 * no elements => accept any
285 * sanity checking will happen later
286 * when setting machine properties
292 static QemuOptsList qemu_accel_opts
= {
294 .implied_opt_name
= "accel",
295 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
300 .type
= QEMU_OPT_STRING
,
301 .help
= "Select the type of accelerator",
305 .type
= QEMU_OPT_STRING
,
306 .help
= "Enable/disable multi-threaded TCG",
308 { /* end of list */ }
312 static QemuOptsList qemu_boot_opts
= {
314 .implied_opt_name
= "order",
316 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
320 .type
= QEMU_OPT_STRING
,
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_BOOL
,
329 .type
= QEMU_OPT_STRING
,
331 .name
= "splash-time",
332 .type
= QEMU_OPT_NUMBER
,
334 .name
= "reboot-timeout",
335 .type
= QEMU_OPT_NUMBER
,
338 .type
= QEMU_OPT_BOOL
,
344 static QemuOptsList qemu_add_fd_opts
= {
346 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
350 .type
= QEMU_OPT_NUMBER
,
351 .help
= "file descriptor of which a duplicate is added to fd set",
354 .type
= QEMU_OPT_NUMBER
,
355 .help
= "ID of the fd set to add fd to",
358 .type
= QEMU_OPT_STRING
,
359 .help
= "free-form string used to describe fd",
361 { /* end of list */ }
365 static QemuOptsList qemu_object_opts
= {
367 .implied_opt_name
= "qom-type",
368 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
374 static QemuOptsList qemu_tpmdev_opts
= {
376 .implied_opt_name
= "type",
377 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
379 /* options are defined in the TPM backends */
380 { /* end of list */ }
384 static QemuOptsList qemu_realtime_opts
= {
386 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
390 .type
= QEMU_OPT_BOOL
,
392 { /* end of list */ }
396 static QemuOptsList qemu_overcommit_opts
= {
397 .name
= "overcommit",
398 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
402 .type
= QEMU_OPT_BOOL
,
406 .type
= QEMU_OPT_BOOL
,
408 { /* end of list */ }
412 static QemuOptsList qemu_msg_opts
= {
414 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
418 .type
= QEMU_OPT_BOOL
,
420 { /* end of list */ }
424 static QemuOptsList qemu_name_opts
= {
426 .implied_opt_name
= "guest",
428 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
432 .type
= QEMU_OPT_STRING
,
433 .help
= "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
438 .type
= QEMU_OPT_STRING
,
439 .help
= "Sets the name of the QEMU process, as shown in top etc",
441 .name
= "debug-threads",
442 .type
= QEMU_OPT_BOOL
,
443 .help
= "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
447 { /* End of list */ }
451 static QemuOptsList qemu_mem_opts
= {
453 .implied_opt_name
= "size",
454 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
459 .type
= QEMU_OPT_SIZE
,
463 .type
= QEMU_OPT_NUMBER
,
467 .type
= QEMU_OPT_SIZE
,
469 { /* end of list */ }
473 static QemuOptsList qemu_icount_opts
= {
475 .implied_opt_name
= "shift",
477 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
481 .type
= QEMU_OPT_STRING
,
484 .type
= QEMU_OPT_BOOL
,
487 .type
= QEMU_OPT_BOOL
,
490 .type
= QEMU_OPT_STRING
,
493 .type
= QEMU_OPT_STRING
,
495 .name
= "rrsnapshot",
496 .type
= QEMU_OPT_STRING
,
498 { /* end of list */ }
502 static QemuOptsList qemu_fw_cfg_opts
= {
504 .implied_opt_name
= "name",
505 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
509 .type
= QEMU_OPT_STRING
,
510 .help
= "Sets the fw_cfg name of the blob to be inserted",
513 .type
= QEMU_OPT_STRING
,
514 .help
= "Sets the name of the file from which "
515 "the fw_cfg blob will be loaded",
518 .type
= QEMU_OPT_STRING
,
519 .help
= "Sets content of the blob to be inserted from a string",
521 { /* end of list */ }
526 * Get machine options
528 * Returns: machine options (never null).
530 QemuOpts
*qemu_get_machine_opts(void)
532 return qemu_find_opts_singleton("machine");
535 const char *qemu_get_vm_name(void)
540 static void res_free(void)
542 g_free(boot_splash_filedata
);
543 boot_splash_filedata
= NULL
;
546 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
548 const char *driver
= qemu_opt_get(opts
, "driver");
553 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
554 if (strcmp(default_list
[i
].driver
, driver
) != 0)
556 *(default_list
[i
].flag
) = 0;
561 /***********************************************************/
564 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
566 /* We use RUN_STATE__MAX but any invalid value will do */
567 static RunState vmstop_requested
= RUN_STATE__MAX
;
568 static QemuMutex vmstop_lock
;
573 } RunStateTransition
;
575 static const RunStateTransition runstate_transitions_def
[] = {
577 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
578 /* Early switch to inmigrate state to allow -incoming CLI option work
579 * as it used to. TODO: delay actual switching to inmigrate state to
580 * the point after machine is built and remove this hack.
582 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
584 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
585 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
588 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
599 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
601 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
602 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
605 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
606 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
607 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
609 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
610 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
612 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
613 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
615 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
616 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
617 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
619 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
620 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
621 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
623 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
624 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
625 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
626 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
627 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
629 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
630 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
632 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
634 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
635 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
636 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
637 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
638 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
639 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
640 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
641 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
642 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
643 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
644 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
646 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
648 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
649 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
650 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
652 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
653 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
654 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
655 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
656 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
657 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
659 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
660 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
661 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
662 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
664 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
665 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
666 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
668 { RUN_STATE__MAX
, RUN_STATE__MAX
},
671 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
673 bool runstate_check(RunState state
)
675 return current_run_state
== state
;
678 bool runstate_store(char *str
, size_t size
)
680 const char *state
= RunState_str(current_run_state
);
681 size_t len
= strlen(state
) + 1;
686 memcpy(str
, state
, len
);
690 static void runstate_init(void)
692 const RunStateTransition
*p
;
694 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
695 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
696 runstate_valid_transitions
[p
->from
][p
->to
] = true;
699 qemu_mutex_init(&vmstop_lock
);
702 /* This function will abort() on invalid state transitions */
703 void runstate_set(RunState new_state
)
705 assert(new_state
< RUN_STATE__MAX
);
707 trace_runstate_set(current_run_state
, RunState_str(current_run_state
),
708 new_state
, RunState_str(new_state
));
710 if (current_run_state
== new_state
) {
714 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
715 error_report("invalid runstate transition: '%s' -> '%s'",
716 RunState_str(current_run_state
),
717 RunState_str(new_state
));
721 current_run_state
= new_state
;
724 int runstate_is_running(void)
726 return runstate_check(RUN_STATE_RUNNING
);
729 bool runstate_needs_reset(void)
731 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
732 runstate_check(RUN_STATE_SHUTDOWN
);
735 StatusInfo
*qmp_query_status(Error
**errp
)
737 StatusInfo
*info
= g_malloc0(sizeof(*info
));
739 info
->running
= runstate_is_running();
740 info
->singlestep
= singlestep
;
741 info
->status
= current_run_state
;
746 bool qemu_vmstop_requested(RunState
*r
)
748 qemu_mutex_lock(&vmstop_lock
);
749 *r
= vmstop_requested
;
750 vmstop_requested
= RUN_STATE__MAX
;
751 qemu_mutex_unlock(&vmstop_lock
);
752 return *r
< RUN_STATE__MAX
;
755 void qemu_system_vmstop_request_prepare(void)
757 qemu_mutex_lock(&vmstop_lock
);
760 void qemu_system_vmstop_request(RunState state
)
762 vmstop_requested
= state
;
763 qemu_mutex_unlock(&vmstop_lock
);
767 /***********************************************************/
768 /* RTC reference time/date access */
769 static time_t qemu_ref_timedate(QEMUClockType clock
)
771 time_t value
= qemu_clock_get_ms(clock
) / 1000;
773 case QEMU_CLOCK_REALTIME
:
774 value
-= rtc_realtime_clock_offset
;
776 case QEMU_CLOCK_VIRTUAL
:
777 value
+= rtc_ref_start_datetime
;
779 case QEMU_CLOCK_HOST
:
780 if (rtc_base_type
== RTC_BASE_DATETIME
) {
781 value
-= rtc_host_datetime_offset
;
790 void qemu_get_timedate(struct tm
*tm
, int offset
)
792 time_t ti
= qemu_ref_timedate(rtc_clock
);
796 switch (rtc_base_type
) {
797 case RTC_BASE_DATETIME
:
801 case RTC_BASE_LOCALTIME
:
802 localtime_r(&ti
, tm
);
807 int qemu_timedate_diff(struct tm
*tm
)
811 switch (rtc_base_type
) {
812 case RTC_BASE_DATETIME
:
814 seconds
= mktimegm(tm
);
816 case RTC_BASE_LOCALTIME
:
819 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
820 seconds
= mktime(&tmp
);
827 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
830 static void configure_rtc_base_datetime(const char *startdate
)
832 time_t rtc_start_datetime
;
835 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
836 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
838 } else if (sscanf(startdate
, "%d-%d-%d",
839 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
848 rtc_start_datetime
= mktimegm(&tm
);
849 if (rtc_start_datetime
== -1) {
851 error_report("invalid datetime format");
852 error_printf("valid formats: "
853 "'2006-06-17T16:01:21' or '2006-06-17'\n");
856 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
857 rtc_ref_start_datetime
= rtc_start_datetime
;
860 static void configure_rtc(QemuOpts
*opts
)
865 rtc_clock
= QEMU_CLOCK_HOST
;
866 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
867 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
869 value
= qemu_opt_get(opts
, "base");
871 if (!strcmp(value
, "utc")) {
872 rtc_base_type
= RTC_BASE_UTC
;
873 } else if (!strcmp(value
, "localtime")) {
874 Error
*blocker
= NULL
;
875 rtc_base_type
= RTC_BASE_LOCALTIME
;
876 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
877 "-rtc base=localtime");
878 replay_add_blocker(blocker
);
880 rtc_base_type
= RTC_BASE_DATETIME
;
881 configure_rtc_base_datetime(value
);
884 value
= qemu_opt_get(opts
, "clock");
886 if (!strcmp(value
, "host")) {
887 rtc_clock
= QEMU_CLOCK_HOST
;
888 } else if (!strcmp(value
, "rt")) {
889 rtc_clock
= QEMU_CLOCK_REALTIME
;
890 } else if (!strcmp(value
, "vm")) {
891 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
893 error_report("invalid option value '%s'", value
);
897 value
= qemu_opt_get(opts
, "driftfix");
899 if (!strcmp(value
, "slew")) {
900 static GlobalProperty slew_lost_ticks
= {
901 .driver
= "mc146818rtc",
902 .property
= "lost_tick_policy",
906 qdev_prop_register_global(&slew_lost_ticks
);
907 } else if (!strcmp(value
, "none")) {
908 /* discard is default */
910 error_report("invalid option value '%s'", value
);
916 /***********************************************************/
917 /* Bluetooth support */
920 static struct HCIInfo
*hci_table
[MAX_NICS
];
922 struct HCIInfo
*qemu_next_hci(void)
924 if (cur_hci
== nb_hcis
)
927 return hci_table
[cur_hci
++];
930 static int bt_hci_parse(const char *str
)
935 if (nb_hcis
>= MAX_NICS
) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
949 bdaddr
.b
[5] = 0x56 + nb_hcis
;
950 hci
->bdaddr_set(hci
, bdaddr
.b
);
952 hci_table
[nb_hcis
++] = hci
;
957 static void bt_vhci_add(int vlan_id
)
959 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
962 warn_report("adding a VHCI to an empty scatternet %i",
965 bt_vhci_init(bt_new_hci(vlan
));
968 static struct bt_device_s
*bt_device_add(const char *opt
)
970 struct bt_scatternet_s
*vlan
;
972 char *endp
= strstr(opt
, ",vlan=");
973 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
976 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
979 vlan_id
= strtol(endp
+ 6, &endp
, 0);
981 error_report("unrecognised bluetooth vlan Id");
986 vlan
= qemu_find_bt_vlan(vlan_id
);
989 warn_report("adding a slave device to an empty scatternet %i",
992 if (!strcmp(devname
, "keyboard"))
993 return bt_keyboard_init(vlan
);
995 error_report("unsupported bluetooth device '%s'", devname
);
999 static int bt_parse(const char *opt
)
1001 const char *endp
, *p
;
1004 if (strstart(opt
, "hci", &endp
)) {
1005 if (!*endp
|| *endp
== ',') {
1007 if (!strstart(endp
, ",vlan=", 0))
1010 return bt_hci_parse(opt
);
1012 } else if (strstart(opt
, "vhci", &endp
)) {
1013 if (!*endp
|| *endp
== ',') {
1015 if (strstart(endp
, ",vlan=", &p
)) {
1016 vlan
= strtol(p
, (char **) &endp
, 0);
1018 error_report("bad scatternet '%s'", p
);
1022 error_report("bad parameter '%s'", endp
+ 1);
1031 } else if (strstart(opt
, "device:", &endp
))
1032 return !bt_device_add(endp
);
1034 error_report("bad bluetooth parameter '%s'", opt
);
1038 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1040 const char *proc_name
;
1042 if (qemu_opt_get(opts
, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1045 qemu_name
= qemu_opt_get(opts
, "guest");
1047 proc_name
= qemu_opt_get(opts
, "process");
1049 os_set_proc_name(proc_name
);
1055 bool defaults_enabled(void)
1057 return has_defaults
;
1061 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1063 int fd
, dupfd
, flags
;
1065 const char *fd_opaque
= NULL
;
1068 fd
= qemu_opt_get_number(opts
, "fd", -1);
1069 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1070 fd_opaque
= qemu_opt_get(opts
, "opaque");
1073 error_setg(errp
, "fd option is required and must be non-negative");
1077 if (fd
<= STDERR_FILENO
) {
1078 error_setg(errp
, "fd cannot be a standard I/O stream");
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1086 flags
= fcntl(fd
, F_GETFD
);
1087 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1088 error_setg(errp
, "fd is not valid or already in use");
1093 error_setg(errp
, "set option is required and must be non-negative");
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1102 qemu_set_cloexec(dupfd
);
1106 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1118 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1122 fd
= qemu_opt_get_number(opts
, "fd", -1);
1129 /***********************************************************/
1130 /* QEMU Block devices */
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1135 #define PFLASH_OPTS ""
1139 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1141 BlockInterfaceType
*block_default_type
= opaque
;
1143 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1146 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1148 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1149 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1154 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1155 int index
, const char *optstr
)
1160 if (!enable
|| drive_get_by_index(type
, index
)) {
1164 opts
= drive_add(type
, index
, NULL
, optstr
);
1166 drive_enable_snapshot(NULL
, opts
, NULL
);
1169 dinfo
= drive_new(opts
, type
, &error_abort
);
1170 dinfo
->is_default
= true;
1174 typedef struct BlockdevOptionsQueueEntry
{
1175 BlockdevOptions
*bdo
;
1177 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
1178 } BlockdevOptionsQueueEntry
;
1180 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
1182 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
1183 MachineClass
*machine_class
, int snapshot
)
1186 * If the currently selected machine wishes to override the
1187 * units-per-bus property of its default HBA interface type, do so
1190 if (machine_class
->units_per_default_bus
) {
1191 override_max_devs(machine_class
->block_default_type
,
1192 machine_class
->units_per_default_bus
);
1195 /* open the virtual block devices */
1196 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
1197 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
1199 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
1200 loc_push_restore(&bdo
->loc
);
1201 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
1203 qapi_free_BlockdevOptions(bdo
->bdo
);
1206 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
1207 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
1210 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
1211 &machine_class
->block_default_type
, &error_fatal
)) {
1212 /* We printed help */
1216 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
1218 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
1219 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
1223 static QemuOptsList qemu_smp_opts
= {
1225 .implied_opt_name
= "cpus",
1226 .merge_lists
= true,
1227 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1231 .type
= QEMU_OPT_NUMBER
,
1234 .type
= QEMU_OPT_NUMBER
,
1237 .type
= QEMU_OPT_NUMBER
,
1240 .type
= QEMU_OPT_NUMBER
,
1243 .type
= QEMU_OPT_NUMBER
,
1246 .type
= QEMU_OPT_NUMBER
,
1248 { /*End of list */ }
1252 static void realtime_init(void)
1255 if (os_mlock() < 0) {
1256 error_report("locking memory failed");
1263 static void configure_msg(QemuOpts
*opts
)
1265 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1269 /* Now we still need this for compatibility with XEN. */
1270 bool has_igd_gfx_passthru
;
1271 static void igd_gfx_passthru(void)
1273 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1276 /***********************************************************/
1279 static int usb_device_add(const char *devname
)
1281 USBDevice
*dev
= NULL
;
1283 if (!machine_usb(current_machine
)) {
1287 dev
= usbdevice_create(devname
);
1294 static int usb_parse(const char *cmdline
)
1297 r
= usb_device_add(cmdline
);
1299 error_report("could not add USB device '%s'", cmdline
);
1304 /***********************************************************/
1305 /* machine registration */
1307 MachineState
*current_machine
;
1309 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
1313 for (el
= machines
; el
; el
= el
->next
) {
1314 MachineClass
*mc
= el
->data
;
1316 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
1324 static MachineClass
*find_default_machine(GSList
*machines
)
1328 for (el
= machines
; el
; el
= el
->next
) {
1329 MachineClass
*mc
= el
->data
;
1331 if (mc
->is_default
) {
1339 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1341 ObjectProperty
*prop
;
1342 ObjectPropertyIterator iter
;
1344 if (!qemu_opt_has_help_opt(opts
)) {
1348 object_property_iter_init(&iter
, OBJECT(machine
));
1349 while ((prop
= object_property_iter_next(&iter
))) {
1354 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1355 prop
->name
, prop
->type
);
1356 if (prop
->description
) {
1357 printf(" (%s)\n", prop
->description
);
1366 struct VMChangeStateEntry
{
1367 VMChangeStateHandler
*cb
;
1369 QTAILQ_ENTRY(VMChangeStateEntry
) entries
;
1373 static QTAILQ_HEAD(, VMChangeStateEntry
) vm_change_state_head
;
1376 * qemu_add_vm_change_state_handler_prio:
1377 * @cb: the callback to invoke
1378 * @opaque: user data passed to the callback
1379 * @priority: low priorities execute first when the vm runs and the reverse is
1380 * true when the vm stops
1382 * Register a callback function that is invoked when the vm starts or stops
1385 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1387 VMChangeStateEntry
*qemu_add_vm_change_state_handler_prio(
1388 VMChangeStateHandler
*cb
, void *opaque
, int priority
)
1390 VMChangeStateEntry
*e
;
1391 VMChangeStateEntry
*other
;
1393 e
= g_malloc0(sizeof(*e
));
1396 e
->priority
= priority
;
1398 /* Keep list sorted in ascending priority order */
1399 QTAILQ_FOREACH(other
, &vm_change_state_head
, entries
) {
1400 if (priority
< other
->priority
) {
1401 QTAILQ_INSERT_BEFORE(other
, e
, entries
);
1406 QTAILQ_INSERT_TAIL(&vm_change_state_head
, e
, entries
);
1410 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1413 return qemu_add_vm_change_state_handler_prio(cb
, opaque
, 0);
1416 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1418 QTAILQ_REMOVE(&vm_change_state_head
, e
, entries
);
1422 void vm_state_notify(int running
, RunState state
)
1424 VMChangeStateEntry
*e
, *next
;
1426 trace_vm_state_notify(running
, state
, RunState_str(state
));
1429 QTAILQ_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1430 e
->cb(e
->opaque
, running
, state
);
1433 QTAILQ_FOREACH_REVERSE_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1434 e
->cb(e
->opaque
, running
, state
);
1439 static ShutdownCause reset_requested
;
1440 static ShutdownCause shutdown_requested
;
1441 static int shutdown_signal
;
1442 static pid_t shutdown_pid
;
1443 static int powerdown_requested
;
1444 static int debug_requested
;
1445 static int suspend_requested
;
1446 static bool preconfig_exit_requested
= true;
1447 static WakeupReason wakeup_reason
;
1448 static NotifierList powerdown_notifiers
=
1449 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1450 static NotifierList suspend_notifiers
=
1451 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1452 static NotifierList wakeup_notifiers
=
1453 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1454 static NotifierList shutdown_notifiers
=
1455 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers
);
1456 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1458 ShutdownCause
qemu_shutdown_requested_get(void)
1460 return shutdown_requested
;
1463 ShutdownCause
qemu_reset_requested_get(void)
1465 return reset_requested
;
1468 static int qemu_shutdown_requested(void)
1470 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1473 static void qemu_kill_report(void)
1475 if (!qtest_driver() && shutdown_signal
) {
1476 if (shutdown_pid
== 0) {
1477 /* This happens for eg ^C at the terminal, so it's worth
1478 * avoiding printing an odd message in that case.
1480 error_report("terminating on signal %d", shutdown_signal
);
1482 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1484 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1485 shutdown_signal
, shutdown_pid
,
1486 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1487 g_free(shutdown_cmd
);
1489 shutdown_signal
= 0;
1493 static ShutdownCause
qemu_reset_requested(void)
1495 ShutdownCause r
= reset_requested
;
1497 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1498 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1501 return SHUTDOWN_CAUSE_NONE
;
1504 static int qemu_suspend_requested(void)
1506 int r
= suspend_requested
;
1507 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1508 suspend_requested
= 0;
1514 static WakeupReason
qemu_wakeup_requested(void)
1516 return wakeup_reason
;
1519 static int qemu_powerdown_requested(void)
1521 int r
= powerdown_requested
;
1522 powerdown_requested
= 0;
1526 static int qemu_debug_requested(void)
1528 int r
= debug_requested
;
1529 debug_requested
= 0;
1533 void qemu_exit_preconfig_request(void)
1535 preconfig_exit_requested
= true;
1539 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1541 void qemu_system_reset(ShutdownCause reason
)
1545 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1547 cpu_synchronize_all_states();
1549 if (mc
&& mc
->reset
) {
1550 mc
->reset(current_machine
);
1552 qemu_devices_reset();
1554 if (reason
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1555 qapi_event_send_reset(shutdown_caused_by_guest(reason
), reason
);
1557 cpu_synchronize_all_post_reset();
1561 * Wake the VM after suspend.
1563 static void qemu_system_wakeup(void)
1567 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1569 if (mc
&& mc
->wakeup
) {
1570 mc
->wakeup(current_machine
);
1572 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1576 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1578 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1581 current_cpu
->crash_occurred
= true;
1583 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1585 vm_stop(RUN_STATE_GUEST_PANICKED
);
1587 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1589 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1593 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1594 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1595 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1596 info
->u
.hyper_v
.arg1
,
1597 info
->u
.hyper_v
.arg2
,
1598 info
->u
.hyper_v
.arg3
,
1599 info
->u
.hyper_v
.arg4
,
1600 info
->u
.hyper_v
.arg5
);
1601 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1602 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1603 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1605 S390CrashReason_str(info
->u
.s390
.reason
),
1606 info
->u
.s390
.psw_mask
,
1607 info
->u
.s390
.psw_addr
);
1609 qapi_free_GuestPanicInformation(info
);
1613 void qemu_system_reset_request(ShutdownCause reason
)
1615 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1616 shutdown_requested
= reason
;
1618 reset_requested
= reason
;
1621 qemu_notify_event();
1624 static void qemu_system_suspend(void)
1627 notifier_list_notify(&suspend_notifiers
, NULL
);
1628 runstate_set(RUN_STATE_SUSPENDED
);
1629 qapi_event_send_suspend();
1632 void qemu_system_suspend_request(void)
1634 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1637 suspend_requested
= 1;
1639 qemu_notify_event();
1642 void qemu_register_suspend_notifier(Notifier
*notifier
)
1644 notifier_list_add(&suspend_notifiers
, notifier
);
1647 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
)
1649 trace_system_wakeup_request(reason
);
1651 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1653 "Unable to wake up: guest is not in suspended state");
1656 if (!(wakeup_reason_mask
& (1 << reason
))) {
1659 runstate_set(RUN_STATE_RUNNING
);
1660 wakeup_reason
= reason
;
1661 qemu_notify_event();
1664 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1667 wakeup_reason_mask
|= (1 << reason
);
1669 wakeup_reason_mask
&= ~(1 << reason
);
1673 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1675 notifier_list_add(&wakeup_notifiers
, notifier
);
1678 void qemu_register_wakeup_support(void)
1680 wakeup_suspend_enabled
= true;
1683 bool qemu_wakeup_suspend_enabled(void)
1685 return wakeup_suspend_enabled
;
1688 void qemu_system_killed(int signal
, pid_t pid
)
1690 shutdown_signal
= signal
;
1694 /* Cannot call qemu_system_shutdown_request directly because
1695 * we are in a signal handler.
1697 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1698 qemu_notify_event();
1701 void qemu_system_shutdown_request(ShutdownCause reason
)
1703 trace_qemu_system_shutdown_request(reason
);
1704 replay_shutdown_request(reason
);
1705 shutdown_requested
= reason
;
1706 qemu_notify_event();
1709 static void qemu_system_powerdown(void)
1711 qapi_event_send_powerdown();
1712 notifier_list_notify(&powerdown_notifiers
, NULL
);
1715 static void qemu_system_shutdown(ShutdownCause cause
)
1717 qapi_event_send_shutdown(shutdown_caused_by_guest(cause
), cause
);
1718 notifier_list_notify(&shutdown_notifiers
, &cause
);
1721 void qemu_system_powerdown_request(void)
1723 trace_qemu_system_powerdown_request();
1724 powerdown_requested
= 1;
1725 qemu_notify_event();
1728 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1730 notifier_list_add(&powerdown_notifiers
, notifier
);
1733 void qemu_register_shutdown_notifier(Notifier
*notifier
)
1735 notifier_list_add(&shutdown_notifiers
, notifier
);
1738 void qemu_system_debug_request(void)
1740 debug_requested
= 1;
1741 qemu_notify_event();
1744 static bool main_loop_should_exit(void)
1747 ShutdownCause request
;
1749 if (preconfig_exit_requested
) {
1750 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1751 runstate_set(RUN_STATE_PRELAUNCH
);
1753 preconfig_exit_requested
= false;
1756 if (qemu_debug_requested()) {
1757 vm_stop(RUN_STATE_DEBUG
);
1759 if (qemu_suspend_requested()) {
1760 qemu_system_suspend();
1762 request
= qemu_shutdown_requested();
1765 qemu_system_shutdown(request
);
1767 vm_stop(RUN_STATE_SHUTDOWN
);
1772 request
= qemu_reset_requested();
1775 qemu_system_reset(request
);
1777 if (!runstate_check(RUN_STATE_RUNNING
) &&
1778 !runstate_check(RUN_STATE_INMIGRATE
)) {
1779 runstate_set(RUN_STATE_PRELAUNCH
);
1782 if (qemu_wakeup_requested()) {
1784 qemu_system_wakeup();
1785 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1786 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1788 qapi_event_send_wakeup();
1790 if (qemu_powerdown_requested()) {
1791 qemu_system_powerdown();
1793 if (qemu_vmstop_requested(&r
)) {
1799 static void main_loop(void)
1801 #ifdef CONFIG_PROFILER
1804 while (!main_loop_should_exit()) {
1805 #ifdef CONFIG_PROFILER
1806 ti
= profile_getclock();
1808 main_loop_wait(false);
1809 #ifdef CONFIG_PROFILER
1810 dev_time
+= profile_getclock() - ti
;
1815 static void version(void)
1817 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1818 QEMU_COPYRIGHT
"\n");
1821 static void help(int exitcode
)
1824 printf("usage: %s [options] [disk_image]\n\n"
1825 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1826 error_get_progname());
1828 #define QEMU_OPTIONS_GENERATE_HELP
1829 #include "qemu-options-wrapper.h"
1831 printf("\nDuring emulation, the following keys are useful:\n"
1832 "ctrl-alt-f toggle full screen\n"
1833 "ctrl-alt-n switch to virtual console 'n'\n"
1834 "ctrl-alt toggle mouse and keyboard grab\n"
1836 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1838 QEMU_HELP_BOTTOM
"\n");
1843 #define HAS_ARG 0x0001
1845 typedef struct QEMUOption
{
1852 static const QEMUOption qemu_options
[] = {
1853 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1854 #define QEMU_OPTIONS_GENERATE_OPTIONS
1855 #include "qemu-options-wrapper.h"
1859 typedef struct VGAInterfaceInfo
{
1860 const char *opt_name
; /* option name */
1861 const char *name
; /* human-readable name */
1862 /* Class names indicating that support is available.
1863 * If no class is specified, the interface is always available */
1864 const char *class_names
[2];
1867 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1870 .name
= "no graphic card",
1874 .name
= "standard VGA",
1875 .class_names
= { "VGA", "isa-vga" },
1878 .opt_name
= "cirrus",
1879 .name
= "Cirrus VGA",
1880 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1883 .opt_name
= "vmware",
1884 .name
= "VMWare SVGA",
1885 .class_names
= { "vmware-svga" },
1888 .opt_name
= "virtio",
1889 .name
= "Virtio VGA",
1890 .class_names
= { "virtio-vga" },
1895 .class_names
= { "qxl-vga" },
1899 .name
= "TCX framebuffer",
1900 .class_names
= { "SUNW,tcx" },
1904 .name
= "CG3 framebuffer",
1905 .class_names
= { "cgthree" },
1908 .opt_name
= "xenfb",
1909 .name
= "Xen paravirtualized framebuffer",
1913 static bool vga_interface_available(VGAInterfaceType t
)
1915 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1917 assert(t
< VGA_TYPE_MAX
);
1918 return !ti
->class_names
[0] ||
1919 object_class_by_name(ti
->class_names
[0]) ||
1920 object_class_by_name(ti
->class_names
[1]);
1924 get_default_vga_model(const MachineClass
*machine_class
)
1926 if (machine_class
->default_display
) {
1927 return machine_class
->default_display
;
1928 } else if (vga_interface_available(VGA_CIRRUS
)) {
1930 } else if (vga_interface_available(VGA_STD
)) {
1937 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
1942 if (g_str_equal(p
, "help")) {
1943 const char *def
= get_default_vga_model(machine_class
);
1945 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1946 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1948 if (vga_interface_available(t
) && ti
->opt_name
) {
1949 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
1950 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
1956 assert(vga_interface_type
== VGA_NONE
);
1957 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1958 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1959 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1960 if (!vga_interface_available(t
)) {
1961 error_report("%s not available", ti
->name
);
1964 vga_interface_type
= t
;
1968 if (t
== VGA_TYPE_MAX
) {
1970 error_report("unknown vga type: %s", p
);
1974 const char *nextopt
;
1976 if (strstart(opts
, ",retrace=", &nextopt
)) {
1978 if (strstart(opts
, "dumb", &nextopt
))
1979 vga_retrace_method
= VGA_RETRACE_DUMB
;
1980 else if (strstart(opts
, "precise", &nextopt
))
1981 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1982 else goto invalid_vga
;
1983 } else goto invalid_vga
;
1988 static void parse_display_qapi(const char *optarg
)
1990 DisplayOptions
*opts
;
1993 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
1995 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
1996 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
1998 qapi_free_DisplayOptions(opts
);
2002 DisplayOptions
*qmp_query_display_options(Error
**errp
)
2004 return QAPI_CLONE(DisplayOptions
, &dpy
);
2007 static void parse_display(const char *p
)
2011 if (strstart(p
, "sdl", &opts
)) {
2013 * sdl DisplayType needs hand-crafted parser instead of
2014 * parse_display_qapi() due to some options not in
2015 * DisplayOptions, specifically:
2017 * Already deprecated.
2018 * - ctrl_grab + alt_grab
2019 * Not clear yet what happens to them long-term. Should
2020 * replaced by something better or deprecated and dropped.
2022 dpy
.type
= DISPLAY_TYPE_SDL
;
2024 const char *nextopt
;
2026 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2028 if (strstart(opts
, "on", &nextopt
)) {
2030 } else if (strstart(opts
, "off", &nextopt
)) {
2033 goto invalid_sdl_args
;
2035 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2037 if (strstart(opts
, "on", &nextopt
)) {
2039 } else if (strstart(opts
, "off", &nextopt
)) {
2042 goto invalid_sdl_args
;
2044 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2046 dpy
.has_window_close
= true;
2047 if (strstart(opts
, "on", &nextopt
)) {
2048 dpy
.window_close
= true;
2049 } else if (strstart(opts
, "off", &nextopt
)) {
2050 dpy
.window_close
= false;
2052 goto invalid_sdl_args
;
2054 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2057 if (strstart(opts
, "on", &nextopt
)) {
2058 dpy
.gl
= DISPLAYGL_MODE_ON
;
2059 } else if (strstart(opts
, "core", &nextopt
)) {
2060 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2061 } else if (strstart(opts
, "es", &nextopt
)) {
2062 dpy
.gl
= DISPLAYGL_MODE_ES
;
2063 } else if (strstart(opts
, "off", &nextopt
)) {
2064 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2066 goto invalid_sdl_args
;
2070 error_report("invalid SDL option string");
2075 } else if (strstart(p
, "vnc", &opts
)) {
2077 * vnc isn't a (local) DisplayType but a protocol for remote
2081 vnc_parse(opts
+ 1, &error_fatal
);
2083 error_report("VNC requires a display argument vnc=<display>");
2087 parse_display_qapi(p
);
2091 char *qemu_find_file(int type
, const char *name
)
2097 /* Try the name as a straight path first */
2098 if (access(name
, R_OK
) == 0) {
2099 trace_load_file(name
, name
);
2100 return g_strdup(name
);
2104 case QEMU_FILE_TYPE_BIOS
:
2107 case QEMU_FILE_TYPE_KEYMAP
:
2108 subdir
= "keymaps/";
2114 for (i
= 0; i
< data_dir_idx
; i
++) {
2115 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2116 if (access(buf
, R_OK
) == 0) {
2117 trace_load_file(name
, buf
);
2125 static void qemu_add_data_dir(const char *path
)
2132 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2135 for (i
= 0; i
< data_dir_idx
; i
++) {
2136 if (strcmp(data_dir
[i
], path
) == 0) {
2137 return; /* duplicate */
2140 data_dir
[data_dir_idx
++] = g_strdup(path
);
2143 static inline bool nonempty_str(const char *str
)
2148 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2152 const char *name
, *file
, *str
;
2153 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2155 if (fw_cfg
== NULL
) {
2156 error_setg(errp
, "fw_cfg device not available");
2159 name
= qemu_opt_get(opts
, "name");
2160 file
= qemu_opt_get(opts
, "file");
2161 str
= qemu_opt_get(opts
, "string");
2163 /* we need name and either a file or the content string */
2164 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2165 error_setg(errp
, "invalid argument(s)");
2168 if (nonempty_str(file
) && nonempty_str(str
)) {
2169 error_setg(errp
, "file and string are mutually exclusive");
2172 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2173 error_setg(errp
, "name too long (max. %d char)",
2174 FW_CFG_MAX_FILE_PATH
- 1);
2177 if (strncmp(name
, "opt/", 4) != 0) {
2178 warn_report("externally provided fw_cfg item names "
2179 "should be prefixed with \"opt/\"");
2181 if (nonempty_str(str
)) {
2182 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2183 buf
= g_memdup(str
, size
);
2186 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
2187 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
2192 /* For legacy, keep user files in a specific global order. */
2193 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2194 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2195 fw_cfg_reset_order_override(fw_cfg
);
2199 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2201 return qdev_device_help(opts
);
2204 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2208 dev
= qdev_device_add(opts
, errp
);
2212 object_unref(OBJECT(dev
));
2216 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2218 Error
*local_err
= NULL
;
2220 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
2222 error_propagate(errp
, local_err
);
2230 #ifdef CONFIG_VIRTFS
2231 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2233 return qemu_fsdev_add(opts
, errp
);
2237 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2241 bool pretty
= false;
2242 const char *chardev
;
2245 mode
= qemu_opt_get(opts
, "mode");
2249 if (strcmp(mode
, "readline") == 0) {
2251 } else if (strcmp(mode
, "control") == 0) {
2254 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2258 if (!qmp
&& qemu_opt_get(opts
, "pretty")) {
2259 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2260 "and will be removed in future versions");
2262 if (qemu_opt_get_bool(opts
, "pretty", 0)) {
2266 chardev
= qemu_opt_get(opts
, "chardev");
2268 error_report("chardev is required");
2271 chr
= qemu_chr_find(chardev
);
2273 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2278 monitor_init_qmp(chr
, pretty
);
2280 monitor_init_hmp(chr
, true);
2285 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2287 static int monitor_device_index
= 0;
2292 if (strstart(optarg
, "chardev:", &p
)) {
2293 snprintf(label
, sizeof(label
), "%s", p
);
2295 snprintf(label
, sizeof(label
), "compat_monitor%d",
2296 monitor_device_index
);
2297 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2299 error_report("parse error: %s", optarg
);
2304 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2305 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2306 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2307 if (!strcmp(mode
, "control")) {
2308 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2310 assert(pretty
== false);
2312 monitor_device_index
++;
2315 struct device_config
{
2317 DEV_USB
, /* -usbdevice */
2319 DEV_SERIAL
, /* -serial */
2320 DEV_PARALLEL
, /* -parallel */
2321 DEV_DEBUGCON
, /* -debugcon */
2322 DEV_GDB
, /* -gdb, -s */
2323 DEV_SCLP
, /* s390 sclp */
2325 const char *cmdline
;
2327 QTAILQ_ENTRY(device_config
) next
;
2330 static QTAILQ_HEAD(, device_config
) device_configs
=
2331 QTAILQ_HEAD_INITIALIZER(device_configs
);
2333 static void add_device_config(int type
, const char *cmdline
)
2335 struct device_config
*conf
;
2337 conf
= g_malloc0(sizeof(*conf
));
2339 conf
->cmdline
= cmdline
;
2340 loc_save(&conf
->loc
);
2341 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2344 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2346 struct device_config
*conf
;
2349 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2350 if (conf
->type
!= type
)
2352 loc_push_restore(&conf
->loc
);
2353 rc
= func(conf
->cmdline
);
2354 loc_pop(&conf
->loc
);
2362 static int serial_parse(const char *devname
)
2364 int index
= num_serial_hds
;
2367 if (strcmp(devname
, "none") == 0)
2369 snprintf(label
, sizeof(label
), "serial%d", index
);
2370 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2372 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2373 if (!serial_hds
[index
]) {
2374 error_report("could not connect serial device"
2375 " to character backend '%s'", devname
);
2382 Chardev
*serial_hd(int i
)
2385 if (i
< num_serial_hds
) {
2386 return serial_hds
[i
];
2391 int serial_max_hds(void)
2393 return num_serial_hds
;
2396 static int parallel_parse(const char *devname
)
2398 static int index
= 0;
2401 if (strcmp(devname
, "none") == 0)
2403 if (index
== MAX_PARALLEL_PORTS
) {
2404 error_report("too many parallel ports");
2407 snprintf(label
, sizeof(label
), "parallel%d", index
);
2408 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2409 if (!parallel_hds
[index
]) {
2410 error_report("could not connect parallel device"
2411 " to character backend '%s'", devname
);
2418 static int debugcon_parse(const char *devname
)
2422 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
2423 error_report("invalid character backend '%s'", devname
);
2426 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2428 error_report("already have a debugcon device");
2431 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2432 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2436 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2438 const MachineClass
*mc1
= a
, *mc2
= b
;
2441 if (mc1
->family
== NULL
) {
2442 if (mc2
->family
== NULL
) {
2443 /* Compare standalone machine types against each other; they sort
2444 * in increasing order.
2446 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2447 object_class_get_name(OBJECT_CLASS(mc2
)));
2450 /* Standalone machine types sort after families. */
2454 if (mc2
->family
== NULL
) {
2455 /* Families sort before standalone machine types. */
2459 /* Families sort between each other alphabetically increasingly. */
2460 res
= strcmp(mc1
->family
, mc2
->family
);
2465 /* Within the same family, machine types sort in decreasing order. */
2466 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2467 object_class_get_name(OBJECT_CLASS(mc1
)));
2470 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
2475 if (is_help_option(name
)) {
2476 printf("Supported machines are:\n");
2477 machines
= g_slist_sort(machines
, machine_class_cmp
);
2478 for (el
= machines
; el
; el
= el
->next
) {
2479 MachineClass
*mc
= el
->data
;
2481 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2483 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2484 mc
->is_default
? " (default)" : "",
2485 mc
->deprecation_reason
? " (deprecated)" : "");
2490 mc
= find_machine(name
, machines
);
2492 error_report("unsupported machine type");
2493 error_printf("Use -machine help to list supported machines\n");
2499 void qemu_add_exit_notifier(Notifier
*notify
)
2501 notifier_list_add(&exit_notifiers
, notify
);
2504 void qemu_remove_exit_notifier(Notifier
*notify
)
2506 notifier_remove(notify
);
2509 static void qemu_run_exit_notifiers(void)
2511 notifier_list_notify(&exit_notifiers
, NULL
);
2514 static const char *pid_file
;
2515 static Notifier qemu_unlink_pidfile_notifier
;
2517 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2524 bool machine_init_done
;
2526 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2528 notifier_list_add(&machine_init_done_notifiers
, notify
);
2529 if (machine_init_done
) {
2530 notify
->notify(notify
, NULL
);
2534 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2536 notifier_remove(notify
);
2539 static void qemu_run_machine_init_done_notifiers(void)
2541 machine_init_done
= true;
2542 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2545 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2546 const char **poptarg
, int *poptind
)
2548 const QEMUOption
*popt
;
2549 int optind
= *poptind
;
2550 char *r
= argv
[optind
];
2553 loc_set_cmdline(argv
, optind
, 1);
2555 /* Treat --foo the same as -foo. */
2558 popt
= qemu_options
;
2561 error_report("invalid option");
2564 if (!strcmp(popt
->name
, r
+ 1))
2568 if (popt
->flags
& HAS_ARG
) {
2569 if (optind
>= argc
) {
2570 error_report("requires an argument");
2573 optarg
= argv
[optind
++];
2574 loc_set_cmdline(argv
, optind
- 2, 2);
2585 static MachineClass
*select_machine(void)
2587 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
2588 MachineClass
*machine_class
= find_default_machine(machines
);
2593 loc_push_none(&loc
);
2595 opts
= qemu_get_machine_opts();
2596 qemu_opts_loc_restore(opts
);
2598 optarg
= qemu_opt_get(opts
, "type");
2600 machine_class
= machine_parse(optarg
, machines
);
2603 if (!machine_class
) {
2604 error_report("No machine specified, and there is no default");
2605 error_printf("Use -machine help to list supported machines\n");
2610 g_slist_free(machines
);
2611 return machine_class
;
2614 static int machine_set_property(void *opaque
,
2615 const char *name
, const char *value
,
2618 Object
*obj
= OBJECT(opaque
);
2619 Error
*local_err
= NULL
;
2622 if (strcmp(name
, "type") == 0) {
2626 qom_name
= g_strdup(name
);
2627 for (p
= qom_name
; *p
; p
++) {
2633 object_property_parse(obj
, value
, qom_name
, &local_err
);
2637 error_propagate(errp
, local_err
);
2646 * Initial object creation happens before all other
2647 * QEMU data types are created. The majority of objects
2648 * can be created at this point. The rng-egd object
2649 * cannot be created here, as it depends on the chardev
2652 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2656 if (is_help_option(type
)) {
2659 printf("List of user creatable objects:\n");
2660 list
= object_class_get_list_sorted(TYPE_USER_CREATABLE
, false);
2661 for (l
= list
; l
!= NULL
; l
= l
->next
) {
2662 ObjectClass
*oc
= OBJECT_CLASS(l
->data
);
2663 printf(" %s\n", object_class_get_name(oc
));
2669 klass
= object_class_by_name(type
);
2670 if (klass
&& qemu_opt_has_help_opt(opts
)) {
2671 ObjectPropertyIterator iter
;
2672 ObjectProperty
*prop
;
2673 GPtrArray
*array
= g_ptr_array_new();
2676 object_class_property_iter_init(&iter
, klass
);
2677 while ((prop
= object_property_iter_next(&iter
))) {
2684 str
= g_string_new(NULL
);
2685 g_string_append_printf(str
, " %s=<%s>", prop
->name
, prop
->type
);
2686 if (prop
->description
) {
2687 if (str
->len
< 24) {
2688 g_string_append_printf(str
, "%*s", 24 - (int)str
->len
, "");
2690 g_string_append_printf(str
, " - %s", prop
->description
);
2692 g_ptr_array_add(array
, g_string_free(str
, false));
2694 g_ptr_array_sort(array
, (GCompareFunc
)qemu_pstrcmp0
);
2695 if (array
->len
> 0) {
2696 printf("%s options:\n", type
);
2698 printf("There are no options for %s.\n", type
);
2700 for (i
= 0; i
< array
->len
; i
++) {
2701 printf("%s\n", (char *)array
->pdata
[i
]);
2703 g_ptr_array_set_free_func(array
, g_free
);
2704 g_ptr_array_free(array
, true);
2709 * Objects should not be made "delayed" without a reason. If you
2710 * add one, state the reason in a comment!
2713 /* Reason: rng-egd property "chardev" */
2714 if (g_str_equal(type
, "rng-egd")) {
2718 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2719 /* Reason: cryptodev-vhost-user property "chardev" */
2720 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2726 * Reason: filter-* property "netdev" etc.
2728 if (g_str_equal(type
, "filter-buffer") ||
2729 g_str_equal(type
, "filter-dump") ||
2730 g_str_equal(type
, "filter-mirror") ||
2731 g_str_equal(type
, "filter-redirector") ||
2732 g_str_equal(type
, "colo-compare") ||
2733 g_str_equal(type
, "filter-rewriter") ||
2734 g_str_equal(type
, "filter-replay")) {
2738 /* Memory allocation by backends needs to be done
2739 * after configure_accelerator() (due to the tcg_enabled()
2740 * checks at memory_region_init_*()).
2742 * Also, allocation of large amounts of memory may delay
2743 * chardev initialization for too long, and trigger timeouts
2744 * on software that waits for a monitor socket to be created
2747 if (g_str_has_prefix(type
, "memory-backend-")) {
2756 * The remainder of object creation happens after the
2757 * creation of chardev, fsdev, net clients and device data types.
2759 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2761 return !object_create_initial(type
, opts
);
2765 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2769 const char *mem_str
;
2770 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2771 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2774 loc_push_none(&loc
);
2775 qemu_opts_loc_restore(opts
);
2778 mem_str
= qemu_opt_get(opts
, "size");
2781 error_report("missing 'size' option value");
2785 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2787 /* Fix up legacy suffix-less format */
2788 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2789 uint64_t overflow_check
= sz
;
2792 if (sz
/ MiB
!= overflow_check
) {
2793 error_report("too large 'size' option value");
2799 /* backward compatibility behaviour for case "-m 0" */
2801 sz
= default_ram_size
;
2804 sz
= QEMU_ALIGN_UP(sz
, 8192);
2806 if (ram_size
!= sz
) {
2807 error_report("ram size too large");
2811 /* store value for the future use */
2812 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2813 *maxram_size
= ram_size
;
2815 if (qemu_opt_get(opts
, "maxmem")) {
2818 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2819 slots
= qemu_opt_get_number(opts
, "slots", 0);
2820 if (sz
< ram_size
) {
2821 error_report("invalid value of -m option maxmem: "
2822 "maximum memory size (0x%" PRIx64
") must be at least "
2823 "the initial memory size (0x" RAM_ADDR_FMT
")",
2826 } else if (slots
&& sz
== ram_size
) {
2827 error_report("invalid value of -m option maxmem: "
2828 "memory slots were specified but maximum memory size "
2829 "(0x%" PRIx64
") is equal to the initial memory size "
2830 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2836 } else if (qemu_opt_get(opts
, "slots")) {
2837 error_report("invalid -m option value: missing 'maxmem' option");
2844 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2848 g
= g_malloc0(sizeof(*g
));
2849 g
->driver
= qemu_opt_get(opts
, "driver");
2850 g
->property
= qemu_opt_get(opts
, "property");
2851 g
->value
= qemu_opt_get(opts
, "value");
2852 qdev_prop_register_global(g
);
2856 static int qemu_read_default_config_file(void)
2860 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2861 if (ret
< 0 && ret
!= -ENOENT
) {
2868 static void user_register_global_props(void)
2870 qemu_opts_foreach(qemu_find_opts("global"),
2871 global_init_func
, NULL
, NULL
);
2874 int main(int argc
, char **argv
, char **envp
)
2877 int snapshot
, linux_boot
;
2878 const char *initrd_filename
;
2879 const char *kernel_filename
, *kernel_cmdline
;
2880 const char *boot_order
= NULL
;
2881 const char *boot_once
= NULL
;
2883 QemuOpts
*opts
, *machine_opts
;
2884 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2885 QemuOptsList
*olist
;
2888 const char *loadvm
= NULL
;
2889 MachineClass
*machine_class
;
2890 const char *cpu_option
;
2891 const char *vga_model
= NULL
;
2892 const char *qtest_chrdev
= NULL
;
2893 const char *qtest_log
= NULL
;
2894 const char *incoming
= NULL
;
2895 bool userconfig
= true;
2896 bool nographic
= false;
2897 int display_remote
= 0;
2898 const char *log_mask
= NULL
;
2899 const char *log_file
= NULL
;
2900 char *trace_file
= NULL
;
2901 ram_addr_t maxram_size
;
2902 uint64_t ram_slots
= 0;
2903 FILE *vmstate_dump_file
= NULL
;
2904 Error
*main_loop_err
= NULL
;
2906 bool list_data_dirs
= false;
2908 BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2910 os_set_line_buffering();
2912 error_init(argv
[0]);
2913 module_call_init(MODULE_INIT_TRACE
);
2915 qemu_init_cpu_list();
2916 qemu_init_cpu_loop();
2918 qemu_mutex_lock_iothread();
2920 atexit(qemu_run_exit_notifiers
);
2921 qemu_init_exec_dir(argv
[0]);
2923 module_call_init(MODULE_INIT_QOM
);
2925 qemu_add_opts(&qemu_drive_opts
);
2926 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2927 qemu_add_drive_opts(&qemu_common_drive_opts
);
2928 qemu_add_drive_opts(&qemu_drive_opts
);
2929 qemu_add_drive_opts(&bdrv_runtime_opts
);
2930 qemu_add_opts(&qemu_chardev_opts
);
2931 qemu_add_opts(&qemu_device_opts
);
2932 qemu_add_opts(&qemu_netdev_opts
);
2933 qemu_add_opts(&qemu_nic_opts
);
2934 qemu_add_opts(&qemu_net_opts
);
2935 qemu_add_opts(&qemu_rtc_opts
);
2936 qemu_add_opts(&qemu_global_opts
);
2937 qemu_add_opts(&qemu_mon_opts
);
2938 qemu_add_opts(&qemu_trace_opts
);
2939 qemu_add_opts(&qemu_option_rom_opts
);
2940 qemu_add_opts(&qemu_machine_opts
);
2941 qemu_add_opts(&qemu_accel_opts
);
2942 qemu_add_opts(&qemu_mem_opts
);
2943 qemu_add_opts(&qemu_smp_opts
);
2944 qemu_add_opts(&qemu_boot_opts
);
2945 qemu_add_opts(&qemu_add_fd_opts
);
2946 qemu_add_opts(&qemu_object_opts
);
2947 qemu_add_opts(&qemu_tpmdev_opts
);
2948 qemu_add_opts(&qemu_realtime_opts
);
2949 qemu_add_opts(&qemu_overcommit_opts
);
2950 qemu_add_opts(&qemu_msg_opts
);
2951 qemu_add_opts(&qemu_name_opts
);
2952 qemu_add_opts(&qemu_numa_opts
);
2953 qemu_add_opts(&qemu_icount_opts
);
2954 qemu_add_opts(&qemu_semihosting_config_opts
);
2955 qemu_add_opts(&qemu_fw_cfg_opts
);
2956 module_call_init(MODULE_INIT_OPTS
);
2959 precopy_infrastructure_init();
2960 postcopy_infrastructure_init();
2961 monitor_init_globals();
2963 if (qcrypto_init(&err
) < 0) {
2964 error_reportf_err(err
, "cannot initialize crypto: ");
2968 QTAILQ_INIT(&vm_change_state_head
);
2969 os_setup_early_signal_handling();
2976 bdrv_init_with_whitelist();
2980 /* first pass of option parsing */
2982 while (optind
< argc
) {
2983 if (argv
[optind
][0] != '-') {
2987 const QEMUOption
*popt
;
2989 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2990 switch (popt
->index
) {
2991 case QEMU_OPTION_nouserconfig
:
2999 if (qemu_read_default_config_file() < 0) {
3004 /* second pass of option parsing */
3009 if (argv
[optind
][0] != '-') {
3010 loc_set_cmdline(argv
, optind
, 1);
3011 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3013 const QEMUOption
*popt
;
3015 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3016 if (!(popt
->arch_mask
& arch_type
)) {
3017 error_report("Option not supported for this target");
3020 switch(popt
->index
) {
3021 case QEMU_OPTION_cpu
:
3022 /* hw initialization will check this */
3023 cpu_option
= optarg
;
3025 case QEMU_OPTION_hda
:
3026 case QEMU_OPTION_hdb
:
3027 case QEMU_OPTION_hdc
:
3028 case QEMU_OPTION_hdd
:
3029 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3032 case QEMU_OPTION_blockdev
:
3035 BlockdevOptionsQueueEntry
*bdo
;
3037 v
= qobject_input_visitor_new_str(optarg
, "driver",
3040 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
3041 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3044 loc_save(&bdo
->loc
);
3045 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3048 case QEMU_OPTION_drive
:
3049 if (drive_def(optarg
) == NULL
) {
3053 case QEMU_OPTION_set
:
3054 if (qemu_set_option(optarg
) != 0)
3057 case QEMU_OPTION_global
:
3058 if (qemu_global_option(optarg
) != 0)
3061 case QEMU_OPTION_mtdblock
:
3062 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3064 case QEMU_OPTION_sd
:
3065 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3067 case QEMU_OPTION_pflash
:
3068 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3070 case QEMU_OPTION_snapshot
:
3073 case QEMU_OPTION_numa
:
3074 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3080 case QEMU_OPTION_display
:
3081 parse_display(optarg
);
3083 case QEMU_OPTION_nographic
:
3084 olist
= qemu_find_opts("machine");
3085 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3087 dpy
.type
= DISPLAY_TYPE_NONE
;
3089 case QEMU_OPTION_curses
:
3090 #ifdef CONFIG_CURSES
3091 dpy
.type
= DISPLAY_TYPE_CURSES
;
3093 error_report("curses or iconv support is disabled");
3097 case QEMU_OPTION_portrait
:
3098 graphic_rotate
= 90;
3100 case QEMU_OPTION_rotate
:
3101 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3102 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3103 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3104 error_report("only 90, 180, 270 deg rotation is available");
3108 case QEMU_OPTION_kernel
:
3109 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3112 case QEMU_OPTION_initrd
:
3113 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3116 case QEMU_OPTION_append
:
3117 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3120 case QEMU_OPTION_dtb
:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3124 case QEMU_OPTION_cdrom
:
3125 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3127 case QEMU_OPTION_boot
:
3128 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3134 case QEMU_OPTION_fda
:
3135 case QEMU_OPTION_fdb
:
3136 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3139 case QEMU_OPTION_no_fd_bootchk
:
3142 case QEMU_OPTION_netdev
:
3144 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3148 case QEMU_OPTION_nic
:
3150 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3154 case QEMU_OPTION_net
:
3156 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3160 #ifdef CONFIG_LIBISCSI
3161 case QEMU_OPTION_iscsi
:
3162 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3169 case QEMU_OPTION_bt
:
3170 warn_report("The bluetooth subsystem is deprecated and will "
3171 "be removed soon. If the bluetooth subsystem is "
3172 "still useful for you, please send a mail to "
3173 "qemu-devel@nongnu.org with your usecase.");
3174 add_device_config(DEV_BT
, optarg
);
3176 case QEMU_OPTION_audio_help
:
3177 audio_legacy_help();
3180 case QEMU_OPTION_audiodev
:
3181 audio_parse_option(optarg
);
3183 case QEMU_OPTION_soundhw
:
3184 select_soundhw (optarg
);
3189 case QEMU_OPTION_version
:
3194 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3201 case QEMU_OPTION_tpmdev
:
3202 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3207 case QEMU_OPTION_mempath
:
3210 case QEMU_OPTION_mem_prealloc
:
3219 case QEMU_OPTION_DFILTER
:
3220 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3222 case QEMU_OPTION_seed
:
3223 qemu_guest_random_seed_main(optarg
, &error_fatal
);
3226 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3228 case QEMU_OPTION_gdb
:
3229 add_device_config(DEV_GDB
, optarg
);
3232 if (is_help_option(optarg
)) {
3233 list_data_dirs
= true;
3235 qemu_add_data_dir(optarg
);
3238 case QEMU_OPTION_bios
:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3242 case QEMU_OPTION_singlestep
:
3249 keyboard_layout
= optarg
;
3251 case QEMU_OPTION_vga
:
3260 w
= strtol(p
, (char **)&p
, 10);
3263 error_report("invalid resolution or depth");
3269 h
= strtol(p
, (char **)&p
, 10);
3274 depth
= strtol(p
, (char **)&p
, 10);
3275 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3276 depth
!= 24 && depth
!= 32)
3278 } else if (*p
== '\0') {
3279 depth
= graphic_depth
;
3286 graphic_depth
= depth
;
3289 case QEMU_OPTION_echr
:
3292 term_escape_char
= strtol(optarg
, &r
, 0);
3294 printf("Bad argument to echr\n");
3297 case QEMU_OPTION_monitor
:
3298 default_monitor
= 0;
3299 if (strncmp(optarg
, "none", 4)) {
3300 monitor_parse(optarg
, "readline", false);
3303 case QEMU_OPTION_qmp
:
3304 monitor_parse(optarg
, "control", false);
3305 default_monitor
= 0;
3307 case QEMU_OPTION_qmp_pretty
:
3308 monitor_parse(optarg
, "control", true);
3309 default_monitor
= 0;
3311 case QEMU_OPTION_mon
:
3312 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3317 default_monitor
= 0;
3319 case QEMU_OPTION_chardev
:
3320 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3326 case QEMU_OPTION_fsdev
:
3327 olist
= qemu_find_opts("fsdev");
3329 error_report("fsdev support is disabled");
3332 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3337 case QEMU_OPTION_virtfs
: {
3340 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3342 olist
= qemu_find_opts("virtfs");
3344 error_report("virtfs support is disabled");
3347 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3352 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3353 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3354 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3357 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3358 qemu_opts_id(opts
) ?:
3359 qemu_opt_get(opts
, "mount_tag"),
3362 error_report("duplicate or invalid fsdev id: %s",
3363 qemu_opt_get(opts
, "mount_tag"));
3367 writeout
= qemu_opt_get(opts
, "writeout");
3369 #ifdef CONFIG_SYNC_FILE_RANGE
3370 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3372 error_report("writeout=immediate not supported "
3373 "on this platform");
3377 qemu_opt_set(fsdev
, "fsdriver",
3378 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3379 path
= qemu_opt_get(opts
, "path");
3381 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3383 security_model
= qemu_opt_get(opts
, "security_model");
3384 if (security_model
) {
3385 qemu_opt_set(fsdev
, "security_model", security_model
,
3388 socket
= qemu_opt_get(opts
, "socket");
3390 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3392 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3394 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3397 qemu_opt_set_bool(fsdev
, "readonly",
3398 qemu_opt_get_bool(opts
, "readonly", 0),
3400 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3402 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3403 qemu_opt_set(device
, "fsdev",
3404 qemu_opts_id(fsdev
), &error_abort
);
3405 qemu_opt_set(device
, "mount_tag",
3406 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3409 case QEMU_OPTION_virtfs_synth
: {
3413 warn_report("'-virtfs_synth' is deprecated, please use "
3414 "'-fsdev synth' and '-device virtio-9p-...' "
3417 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3420 error_report("duplicate option: %s", "virtfs_synth");
3423 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3425 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3427 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3428 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3429 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3432 case QEMU_OPTION_serial
:
3433 add_device_config(DEV_SERIAL
, optarg
);
3435 if (strncmp(optarg
, "mon:", 4) == 0) {
3436 default_monitor
= 0;
3439 case QEMU_OPTION_watchdog
:
3441 error_report("only one watchdog option may be given");
3446 case QEMU_OPTION_watchdog_action
:
3447 if (select_watchdog_action(optarg
) == -1) {
3448 error_report("unknown -watchdog-action parameter");
3452 case QEMU_OPTION_parallel
:
3453 add_device_config(DEV_PARALLEL
, optarg
);
3454 default_parallel
= 0;
3455 if (strncmp(optarg
, "mon:", 4) == 0) {
3456 default_monitor
= 0;
3459 case QEMU_OPTION_debugcon
:
3460 add_device_config(DEV_DEBUGCON
, optarg
);
3462 case QEMU_OPTION_loadvm
:
3465 case QEMU_OPTION_full_screen
:
3466 dpy
.has_full_screen
= true;
3467 dpy
.full_screen
= true;
3469 case QEMU_OPTION_alt_grab
:
3472 case QEMU_OPTION_ctrl_grab
:
3475 case QEMU_OPTION_no_quit
:
3476 dpy
.has_window_close
= true;
3477 dpy
.window_close
= false;
3479 case QEMU_OPTION_sdl
:
3481 dpy
.type
= DISPLAY_TYPE_SDL
;
3484 error_report("SDL support is disabled");
3487 case QEMU_OPTION_pidfile
:
3490 case QEMU_OPTION_win2k_hack
:
3491 win2k_install_hack
= 1;
3493 case QEMU_OPTION_acpitable
:
3494 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3499 acpi_table_add(opts
, &error_fatal
);
3501 case QEMU_OPTION_smbios
:
3502 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3507 smbios_entry_add(opts
, &error_fatal
);
3509 case QEMU_OPTION_fwcfg
:
3510 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3516 case QEMU_OPTION_preconfig
:
3517 preconfig_exit_requested
= false;
3519 case QEMU_OPTION_enable_kvm
:
3520 olist
= qemu_find_opts("machine");
3521 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3524 case QEMU_OPTION_machine
:
3525 olist
= qemu_find_opts("machine");
3526 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3531 case QEMU_OPTION_no_kvm
:
3532 olist
= qemu_find_opts("machine");
3533 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3535 case QEMU_OPTION_accel
:
3536 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3538 optarg
= qemu_opt_get(accel_opts
, "accel");
3539 if (!optarg
|| is_help_option(optarg
)) {
3540 printf("Accelerators supported in QEMU binary:\n");
3541 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3543 for (el
= accel_list
; el
; el
= el
->next
) {
3544 gchar
*typename
= g_strdup(object_class_get_name(
3545 OBJECT_CLASS(el
->data
)));
3546 /* omit qtest which is used for tests only */
3547 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3548 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3549 gchar
**optname
= g_strsplit(typename
,
3550 ACCEL_CLASS_SUFFIX
, 0);
3551 printf("%s\n", optname
[0]);
3556 g_slist_free(accel_list
);
3559 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3560 false, &error_abort
);
3561 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3563 case QEMU_OPTION_usb
:
3564 olist
= qemu_find_opts("machine");
3565 qemu_opts_parse_noisily(olist
, "usb=on", false);
3567 case QEMU_OPTION_usbdevice
:
3568 error_report("'-usbdevice' is deprecated, please use "
3569 "'-device usb-...' instead");
3570 olist
= qemu_find_opts("machine");
3571 qemu_opts_parse_noisily(olist
, "usb=on", false);
3572 add_device_config(DEV_USB
, optarg
);
3574 case QEMU_OPTION_device
:
3575 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3580 case QEMU_OPTION_smp
:
3581 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3586 case QEMU_OPTION_vnc
:
3587 vnc_parse(optarg
, &error_fatal
);
3589 case QEMU_OPTION_no_acpi
:
3592 case QEMU_OPTION_no_hpet
:
3595 case QEMU_OPTION_no_reboot
:
3598 case QEMU_OPTION_no_shutdown
:
3601 case QEMU_OPTION_show_cursor
:
3604 case QEMU_OPTION_uuid
:
3605 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3606 error_report("failed to parse UUID string: wrong format");
3609 qemu_uuid_set
= true;
3611 case QEMU_OPTION_option_rom
:
3612 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3613 error_report("too many option ROMs");
3616 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3621 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3622 option_rom
[nb_option_roms
].bootindex
=
3623 qemu_opt_get_number(opts
, "bootindex", -1);
3624 if (!option_rom
[nb_option_roms
].name
) {
3625 error_report("Option ROM file is not specified");
3630 case QEMU_OPTION_semihosting
:
3631 qemu_semihosting_enable();
3633 case QEMU_OPTION_semihosting_config
:
3634 if (qemu_semihosting_config_options(optarg
) != 0) {
3638 case QEMU_OPTION_name
:
3639 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3645 case QEMU_OPTION_prom_env
:
3646 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3647 error_report("too many prom variables");
3650 prom_envs
[nb_prom_envs
] = optarg
;
3653 case QEMU_OPTION_old_param
:
3656 case QEMU_OPTION_rtc
:
3657 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3663 case QEMU_OPTION_tb_size
:
3665 error_report("TCG is disabled");
3668 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3669 error_report("Invalid argument to -tb-size");
3673 case QEMU_OPTION_icount
:
3674 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3680 case QEMU_OPTION_incoming
:
3682 runstate_set(RUN_STATE_INMIGRATE
);
3686 case QEMU_OPTION_only_migratable
:
3687 only_migratable
= 1;
3689 case QEMU_OPTION_nodefaults
:
3692 case QEMU_OPTION_xen_domid
:
3693 if (!(xen_available())) {
3694 error_report("Option not supported for this target");
3697 xen_domid
= atoi(optarg
);
3699 case QEMU_OPTION_xen_attach
:
3700 if (!(xen_available())) {
3701 error_report("Option not supported for this target");
3704 xen_mode
= XEN_ATTACH
;
3706 case QEMU_OPTION_xen_domid_restrict
:
3707 if (!(xen_available())) {
3708 error_report("Option not supported for this target");
3711 xen_domid_restrict
= true;
3713 case QEMU_OPTION_trace
:
3715 trace_file
= trace_opt_parse(optarg
);
3717 case QEMU_OPTION_readconfig
:
3719 int ret
= qemu_read_config_file(optarg
);
3721 error_report("read config %s: %s", optarg
,
3727 case QEMU_OPTION_spice
:
3728 olist
= qemu_find_opts("spice");
3730 error_report("spice support is disabled");
3733 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3739 case QEMU_OPTION_writeconfig
:
3742 if (strcmp(optarg
, "-") == 0) {
3745 fp
= fopen(optarg
, "w");
3747 error_report("open %s: %s", optarg
,
3752 qemu_config_write(fp
);
3758 case QEMU_OPTION_qtest
:
3759 qtest_chrdev
= optarg
;
3761 case QEMU_OPTION_qtest_log
:
3764 case QEMU_OPTION_sandbox
:
3765 olist
= qemu_find_opts("sandbox");
3767 #ifndef CONFIG_SECCOMP
3768 error_report("-sandbox support is not enabled "
3769 "in this QEMU binary");
3774 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3779 case QEMU_OPTION_add_fd
:
3781 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3787 error_report("File descriptor passing is disabled on this "
3792 case QEMU_OPTION_object
:
3793 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3799 case QEMU_OPTION_realtime
:
3800 warn_report("'-realtime mlock=...' is deprecated, please use "
3801 "'-overcommit mem-lock=...' instead");
3802 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3807 /* Don't override the -overcommit option if set */
3808 enable_mlock
= enable_mlock
||
3809 qemu_opt_get_bool(opts
, "mlock", true);
3811 case QEMU_OPTION_overcommit
:
3812 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3817 /* Don't override the -realtime option if set */
3818 enable_mlock
= enable_mlock
||
3819 qemu_opt_get_bool(opts
, "mem-lock", false);
3820 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3822 case QEMU_OPTION_msg
:
3823 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3828 configure_msg(opts
);
3830 case QEMU_OPTION_dump_vmstate
:
3831 if (vmstate_dump_file
) {
3832 error_report("only one '-dump-vmstate' "
3833 "option may be given");
3836 vmstate_dump_file
= fopen(optarg
, "w");
3837 if (vmstate_dump_file
== NULL
) {
3838 error_report("open %s: %s", optarg
, strerror(errno
));
3842 case QEMU_OPTION_enable_sync_profile
:
3845 case QEMU_OPTION_nouserconfig
:
3846 /* Nothing to be parsed here. Especially, do not error out below. */
3849 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3850 error_report("Option not supported in this build");
3857 * Clear error location left behind by the loop.
3858 * Best done right after the loop. Do not insert code here!
3862 user_register_global_props();
3864 replay_configure(icount_opts
);
3866 if (incoming
&& !preconfig_exit_requested
) {
3867 error_report("'preconfig' and 'incoming' options are "
3868 "mutually exclusive");
3872 configure_rtc(qemu_find_opts_singleton("rtc"));
3874 machine_class
= select_machine();
3875 object_set_machine_compat_props(machine_class
->compat_props
);
3877 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3880 rcu_disable_atfork();
3882 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3883 error_reportf_err(err
, "cannot create PID file: ");
3887 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3888 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3890 if (qemu_init_main_loop(&main_loop_err
)) {
3891 error_report_err(main_loop_err
);
3895 #ifdef CONFIG_SECCOMP
3896 olist
= qemu_find_opts_err("sandbox", NULL
);
3898 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3902 qemu_opts_foreach(qemu_find_opts("name"),
3903 parse_name
, NULL
, &error_fatal
);
3906 qemu_opts_foreach(qemu_find_opts("add-fd"),
3907 parse_add_fd
, NULL
, &error_fatal
);
3909 qemu_opts_foreach(qemu_find_opts("add-fd"),
3910 cleanup_add_fd
, NULL
, &error_fatal
);
3913 current_machine
= MACHINE(object_new(object_class_get_name(
3914 OBJECT_CLASS(machine_class
))));
3915 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3918 object_property_add_child(object_get_root(), "machine",
3919 OBJECT(current_machine
), &error_abort
);
3920 object_property_add_child(container_get(OBJECT(current_machine
),
3922 "sysbus", OBJECT(sysbus_get_default()),
3925 if (machine_class
->minimum_page_bits
) {
3926 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3927 /* This would be a board error: specifying a minimum smaller than
3928 * a target's compile-time fixed setting.
3930 g_assert_not_reached();
3934 cpu_exec_init_all();
3936 if (machine_class
->hw_version
) {
3937 qemu_set_hw_version(machine_class
->hw_version
);
3940 if (cpu_option
&& is_help_option(cpu_option
)) {
3941 list_cpus(cpu_option
);
3945 if (!trace_init_backends()) {
3948 trace_init_file(trace_file
);
3950 /* Open the logfile at this point and set the log mask if necessary.
3953 qemu_set_log_filename(log_file
, &error_fatal
);
3958 mask
= qemu_str_to_log_mask(log_mask
);
3960 qemu_print_log_usage(stdout
);
3968 /* add configured firmware directories */
3969 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
3970 for (i
= 0; dirs
[i
] != NULL
; i
++) {
3971 qemu_add_data_dir(dirs
[i
]);
3975 /* try to find datadir relative to the executable path */
3976 dir
= os_find_datadir();
3977 qemu_add_data_dir(dir
);
3980 /* add the datadir specified when building */
3981 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
3983 /* -L help lists the data directories and exits. */
3984 if (list_data_dirs
) {
3985 for (i
= 0; i
< data_dir_idx
; i
++) {
3986 printf("%s\n", data_dir
[i
]);
3991 /* machine_class: default to UP */
3992 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
3993 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
3994 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
3996 /* default to machine_class->default_cpus */
3997 current_machine
->smp
.cpus
= machine_class
->default_cpus
;
3998 current_machine
->smp
.max_cpus
= machine_class
->default_cpus
;
3999 current_machine
->smp
.cores
= 1;
4000 current_machine
->smp
.threads
= 1;
4002 machine_class
->smp_parse(current_machine
,
4003 qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4005 /* sanity-check smp_cpus and max_cpus against machine_class */
4006 if (current_machine
->smp
.cpus
< machine_class
->min_cpus
) {
4007 error_report("Invalid SMP CPUs %d. The min CPUs "
4008 "supported by machine '%s' is %d",
4009 current_machine
->smp
.cpus
,
4010 machine_class
->name
, machine_class
->min_cpus
);
4013 if (current_machine
->smp
.max_cpus
> machine_class
->max_cpus
) {
4014 error_report("Invalid SMP CPUs %d. The max CPUs "
4015 "supported by machine '%s' is %d",
4016 current_machine
->smp
.max_cpus
,
4017 machine_class
->name
, machine_class
->max_cpus
);
4022 * Get the default machine options from the machine if it is not already
4023 * specified either by the configuration file or by the command line.
4025 if (machine_class
->default_machine_opts
) {
4026 qemu_opts_set_defaults(qemu_find_opts("machine"),
4027 machine_class
->default_machine_opts
, 0);
4030 qemu_opts_foreach(qemu_find_opts("device"),
4031 default_driver_check
, NULL
, NULL
);
4032 qemu_opts_foreach(qemu_find_opts("global"),
4033 default_driver_check
, NULL
, NULL
);
4035 if (!vga_model
&& !default_vga
) {
4036 vga_interface_type
= VGA_DEVICE
;
4038 if (!has_defaults
|| machine_class
->no_serial
) {
4041 if (!has_defaults
|| machine_class
->no_parallel
) {
4042 default_parallel
= 0;
4044 if (!has_defaults
|| machine_class
->no_floppy
) {
4047 if (!has_defaults
|| machine_class
->no_cdrom
) {
4050 if (!has_defaults
|| machine_class
->no_sdcard
) {
4053 if (!has_defaults
) {
4054 default_monitor
= 0;
4059 if (is_daemonized()) {
4060 if (!preconfig_exit_requested
) {
4061 error_report("'preconfig' and 'daemonize' options are "
4062 "mutually exclusive");
4066 /* According to documentation and historically, -nographic redirects
4067 * serial port, parallel port and monitor to stdio, which does not work
4068 * with -daemonize. We can redirect these to null instead, but since
4069 * -nographic is legacy, let's just error out.
4070 * We disallow -nographic only if all other ports are not redirected
4071 * explicitly, to not break existing legacy setups which uses
4072 * -nographic _and_ redirects all ports explicitly - this is valid
4073 * usage, -nographic is just a no-op in this case.
4076 && (default_parallel
|| default_serial
|| default_monitor
)) {
4077 error_report("-nographic cannot be used with -daemonize");
4080 #ifdef CONFIG_CURSES
4081 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4082 error_report("curses display cannot be used with -daemonize");
4089 if (default_parallel
)
4090 add_device_config(DEV_PARALLEL
, "null");
4091 if (default_serial
&& default_monitor
) {
4092 add_device_config(DEV_SERIAL
, "mon:stdio");
4095 add_device_config(DEV_SERIAL
, "stdio");
4096 if (default_monitor
)
4097 monitor_parse("stdio", "readline", false);
4101 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4102 if (default_parallel
)
4103 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4104 if (default_monitor
)
4105 monitor_parse("vc:80Cx24C", "readline", false);
4108 #if defined(CONFIG_VNC)
4109 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4113 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4114 if (!qemu_display_find_default(&dpy
)) {
4115 dpy
.type
= DISPLAY_TYPE_NONE
;
4116 #if defined(CONFIG_VNC)
4117 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4121 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4122 dpy
.type
= DISPLAY_TYPE_NONE
;
4125 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4126 error_report("-alt-grab and -ctrl-grab are only valid "
4127 "for SDL, ignoring option");
4129 if (dpy
.has_window_close
&&
4130 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4131 error_report("-no-quit is only valid for GTK and SDL, "
4135 qemu_display_early_init(&dpy
);
4136 qemu_console_early_init();
4138 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4139 #if defined(CONFIG_OPENGL)
4140 error_report("OpenGL is not supported by the display");
4142 error_report("OpenGL support is disabled");
4150 qemu_opts_foreach(qemu_find_opts("object"),
4151 user_creatable_add_opts_foreach
,
4152 object_create_initial
, &error_fatal
);
4154 qemu_opts_foreach(qemu_find_opts("chardev"),
4155 chardev_init_func
, NULL
, &error_fatal
);
4156 /* now chardevs have been created we may have semihosting to connect */
4157 qemu_semihosting_connect_chardevs();
4159 #ifdef CONFIG_VIRTFS
4160 qemu_opts_foreach(qemu_find_opts("fsdev"),
4161 fsdev_init_func
, NULL
, &error_fatal
);
4164 if (qemu_opts_foreach(qemu_find_opts("device"),
4165 device_help_func
, NULL
, NULL
)) {
4170 * Note: we need to create block backends before
4171 * machine_set_property(), so machine properties can refer to
4174 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
4176 machine_opts
= qemu_get_machine_opts();
4177 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4179 current_machine
->ram_size
= ram_size
;
4180 current_machine
->maxram_size
= maxram_size
;
4181 current_machine
->ram_slots
= ram_slots
;
4184 * Note: uses machine properties such as kernel-irqchip, must run
4185 * after machine_set_property().
4187 configure_accelerator(current_machine
, argv
[0]);
4190 * Beware, QOM objects created before this point miss global and
4191 * compat properties.
4193 * Global properties get set up by qdev_prop_register_global(),
4194 * called from user_register_global_props(), and certain option
4195 * desugaring. Also in CPU feature desugaring (buried in
4196 * parse_cpu_option()), which happens below this point, but may
4197 * only target the CPU type, which can only be created after
4198 * parse_cpu_option() returned the type.
4200 * Machine compat properties: object_set_machine_compat_props().
4201 * Accelerator compat props: object_set_accelerator_compat_props(),
4202 * called from configure_accelerator().
4205 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4206 error_report("Machine type '%s' is deprecated: %s",
4207 machine_class
->name
, machine_class
->deprecation_reason
);
4211 * Note: creates a QOM object, must run only after global and
4212 * compat properties have been set up.
4214 migration_object_init();
4217 qtest_server_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4220 machine_opts
= qemu_get_machine_opts();
4221 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4222 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4223 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4224 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4226 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4228 boot_order
= qemu_opt_get(opts
, "order");
4230 validate_bootdevices(boot_order
, &error_fatal
);
4233 boot_once
= qemu_opt_get(opts
, "once");
4235 validate_bootdevices(boot_once
, &error_fatal
);
4238 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4239 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4243 boot_order
= machine_class
->default_boot_order
;
4246 if (!kernel_cmdline
) {
4247 kernel_cmdline
= "";
4248 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4251 linux_boot
= (kernel_filename
!= NULL
);
4253 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4254 error_report("-append only allowed with -kernel option");
4258 if (!linux_boot
&& initrd_filename
!= NULL
) {
4259 error_report("-initrd only allowed with -kernel option");
4263 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4264 /* fall back to the -kernel/-append */
4265 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4268 /* spice needs the timers to be initialized by this point */
4273 if (!tcg_enabled()) {
4274 error_report("-icount is not allowed with hardware virtualization");
4277 configure_icount(icount_opts
, &error_abort
);
4278 qemu_opts_del(icount_opts
);
4281 if (tcg_enabled()) {
4282 qemu_tcg_configure(accel_opts
, &error_fatal
);
4286 QemuOptsList
*net
= qemu_find_opts("net");
4287 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4289 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4293 if (net_init_clients(&err
) < 0) {
4294 error_report_err(err
);
4298 qemu_opts_foreach(qemu_find_opts("object"),
4299 user_creatable_add_opts_foreach
,
4300 object_create_delayed
, &error_fatal
);
4304 /* init the bluetooth world */
4305 if (foreach_device_config(DEV_BT
, bt_parse
))
4308 if (!xen_enabled()) {
4309 /* On 32-bit hosts, QEMU is limited by virtual address space */
4310 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4311 error_report("at most 2047 MB RAM can be simulated");
4318 dirty_bitmap_mig_init();
4320 qemu_opts_foreach(qemu_find_opts("mon"),
4321 mon_init_func
, NULL
, &error_fatal
);
4323 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4325 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4327 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4330 /* If no default VGA is requested, the default is "none". */
4332 vga_model
= get_default_vga_model(machine_class
);
4335 select_vgahw(machine_class
, vga_model
);
4339 i
= select_watchdog(watchdog
);
4341 exit (i
== 1 ? 1 : 0);
4344 /* This checkpoint is required by replay to separate prior clock
4345 reading from the other reads, because timer polling functions query
4346 clock values from the log. */
4347 replay_checkpoint(CHECKPOINT_INIT
);
4348 qdev_machine_init();
4350 current_machine
->boot_order
= boot_order
;
4352 /* parse features once if machine provides default cpu_type */
4353 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4355 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
4357 parse_numa_opts(current_machine
);
4359 /* do monitor/qmp handling at preconfig state if requested */
4362 audio_init_audiodevs();
4364 /* from here on runstate is RUN_STATE_PRELAUNCH */
4365 machine_run_board_init(current_machine
);
4371 if (hax_enabled()) {
4375 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4376 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4378 /* init USB devices */
4379 if (machine_usb(current_machine
)) {
4380 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4384 /* Check if IGD GFX passthrough. */
4387 /* init generic devices */
4388 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4389 qemu_opts_foreach(qemu_find_opts("device"),
4390 device_init_func
, NULL
, &error_fatal
);
4392 cpu_synchronize_all_post_init();
4394 rom_reset_order_override();
4396 /* Did we create any drives that we failed to create a device for? */
4397 drive_check_orphaned();
4399 /* Don't warn about the default network setup that you get if
4400 * no command line -net or -netdev options are specified. There
4401 * are two cases that we would otherwise complain about:
4402 * (1) board doesn't support a NIC but the implicit "-net nic"
4404 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4405 * sets up a nic that isn't connected to anything.
4407 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4408 net_check_clients();
4412 qemu_boot_set(boot_once
, &error_fatal
);
4413 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4416 /* init local displays */
4417 ds
= init_displaystate();
4418 qemu_display_init(ds
, &dpy
);
4420 /* must be after terminal init, SDL library changes signal handlers */
4421 os_setup_signal_handling();
4423 /* init remote displays */
4425 qemu_opts_foreach(qemu_find_opts("vnc"),
4426 vnc_init_func
, NULL
, &error_fatal
);
4430 qemu_spice_display_init();
4433 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4437 qdev_machine_creation_done();
4439 /* TODO: once all bus devices are qdevified, this should be done
4440 * when bus is created by qdev.c */
4441 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4442 qemu_run_machine_init_done_notifiers();
4444 if (rom_check_and_register_reset() != 0) {
4445 error_report("rom check and register reset failed");
4451 /* This checkpoint is required by replay to separate prior clock
4452 reading from the other reads, because timer polling functions query
4453 clock values from the log. */
4454 replay_checkpoint(CHECKPOINT_RESET
);
4455 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4456 register_global_state();
4458 Error
*local_err
= NULL
;
4459 if (load_snapshot(loadvm
, &local_err
) < 0) {
4460 error_report_err(local_err
);
4465 if (replay_mode
!= REPLAY_MODE_NONE
) {
4466 replay_vmstate_init();
4469 qdev_prop_check_globals();
4470 if (vmstate_dump_file
) {
4472 dump_vmstate_json_to_file(vmstate_dump_file
);
4477 Error
*local_err
= NULL
;
4478 qemu_start_incoming_migration(incoming
, &local_err
);
4480 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4483 } else if (autostart
) {
4487 accel_setup_post(current_machine
);
4492 gdbserver_cleanup();
4495 * cleaning up the migration object cancels any existing migration
4496 * try to do this early so that it also stops using devices.
4498 migration_shutdown();
4501 * We must cancel all block jobs while the block layer is drained,
4502 * or cancelling will be affected by throttling and thus may block
4503 * for an extended period of time.
4504 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4505 * it in the drained section.
4506 * We do not need to end this section, because we do not want any
4507 * requests happening from here on anyway.
4509 bdrv_drain_all_begin();
4511 /* No more vcpu or device emulation activity beyond this point */
4514 job_cancel_sync_all();
4519 /* vhost-user must be cleaned up before chardevs. */
4525 user_creatable_cleanup();
4526 /* TODO: unref root container, check all devices are ok */