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 "qapi/error.h"
29 #include "qemu-version.h"
30 #include "qemu/cutils.h"
31 #include "qemu/help_option.h"
32 #include "qemu/uuid.h"
33 #include "sysemu/seccomp.h"
34 #include "sysemu/tcg.h"
37 #if defined(__APPLE__) || defined(main)
39 int qemu_main(int argc
, char **argv
, char **envp
);
40 int main(int argc
, char **argv
)
42 return qemu_main(argc
, argv
, NULL
);
45 #define main qemu_main
47 #endif /* CONFIG_SDL */
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
61 #include "hw/isa/isa.h"
62 #include "hw/scsi/scsi.h"
63 #include "hw/display/vga.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/firmware/smbios.h"
67 #include "hw/acpi/acpi.h"
68 #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-misc.h"
129 #include "qapi/qapi-commands-run-state.h"
130 #include "qapi/qapi-commands-ui.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133 #include "qemu/guest-random.h"
135 #define MAX_VIRTIO_CONSOLES 1
137 static const char *data_dir
[16];
138 static int data_dir_idx
;
139 const char *bios_name
= NULL
;
140 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
142 const char* keyboard_layout
= NULL
;
144 const char *mem_path
= NULL
;
145 int mem_prealloc
= 0; /* force preallocation of physical target memory */
146 bool enable_mlock
= false;
147 bool enable_cpu_pm
= false;
149 NICInfo nd_table
[MAX_NICS
];
155 } rtc_base_type
= RTC_BASE_UTC
;
156 static time_t rtc_ref_start_datetime
;
157 static int rtc_realtime_clock_offset
; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset
= -1; /* valid & used only with
160 QEMUClockType rtc_clock
;
161 int vga_interface_type
= VGA_NONE
;
162 static DisplayOptions dpy
;
163 static int num_serial_hds
;
164 static Chardev
**serial_hds
;
165 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
166 int win2k_install_hack
= 0;
169 unsigned int max_cpus
;
172 int acpi_enabled
= 1;
175 static int no_reboot
;
178 int graphic_rotate
= 0;
179 const char *watchdog
;
180 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
183 const char *qemu_name
;
186 unsigned int nb_prom_envs
= 0;
187 const char *prom_envs
[MAX_PROM_ENVS
];
190 uint8_t *boot_splash_filedata
;
191 int only_migratable
; /* turn it off unless user states otherwise */
192 bool wakeup_suspend_enabled
;
194 int icount_align_option
;
196 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
197 * little-endian "wire format" described in the SMBIOS 2.6 specification.
202 static NotifierList exit_notifiers
=
203 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
205 static NotifierList machine_init_done_notifiers
=
206 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
210 enum xen_mode xen_mode
= XEN_EMULATE
;
211 bool xen_domid_restrict
;
213 static int has_defaults
= 1;
214 static int default_serial
= 1;
215 static int default_parallel
= 1;
216 static int default_monitor
= 1;
217 static int default_floppy
= 1;
218 static int default_cdrom
= 1;
219 static int default_sdcard
= 1;
220 static int default_vga
= 1;
221 static int default_net
= 1;
227 { .driver
= "isa-serial", .flag
= &default_serial
},
228 { .driver
= "isa-parallel", .flag
= &default_parallel
},
229 { .driver
= "isa-fdc", .flag
= &default_floppy
},
230 { .driver
= "floppy", .flag
= &default_floppy
},
231 { .driver
= "ide-cd", .flag
= &default_cdrom
},
232 { .driver
= "ide-hd", .flag
= &default_cdrom
},
233 { .driver
= "ide-drive", .flag
= &default_cdrom
},
234 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
235 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
236 { .driver
= "VGA", .flag
= &default_vga
},
237 { .driver
= "isa-vga", .flag
= &default_vga
},
238 { .driver
= "cirrus-vga", .flag
= &default_vga
},
239 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
240 { .driver
= "vmware-svga", .flag
= &default_vga
},
241 { .driver
= "qxl-vga", .flag
= &default_vga
},
242 { .driver
= "virtio-vga", .flag
= &default_vga
},
243 { .driver
= "ati-vga", .flag
= &default_vga
},
244 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
247 static QemuOptsList qemu_rtc_opts
= {
249 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
254 .type
= QEMU_OPT_STRING
,
257 .type
= QEMU_OPT_STRING
,
260 .type
= QEMU_OPT_STRING
,
262 { /* end of list */ }
266 static QemuOptsList qemu_option_rom_opts
= {
267 .name
= "option-rom",
268 .implied_opt_name
= "romfile",
269 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
273 .type
= QEMU_OPT_NUMBER
,
276 .type
= QEMU_OPT_STRING
,
278 { /* end of list */ }
282 static QemuOptsList qemu_machine_opts
= {
284 .implied_opt_name
= "type",
286 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
289 * no elements => accept any
290 * sanity checking will happen later
291 * when setting machine properties
297 static QemuOptsList qemu_accel_opts
= {
299 .implied_opt_name
= "accel",
300 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
305 .type
= QEMU_OPT_STRING
,
306 .help
= "Select the type of accelerator",
310 .type
= QEMU_OPT_STRING
,
311 .help
= "Enable/disable multi-threaded TCG",
313 { /* end of list */ }
317 static QemuOptsList qemu_boot_opts
= {
319 .implied_opt_name
= "order",
321 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
325 .type
= QEMU_OPT_STRING
,
328 .type
= QEMU_OPT_STRING
,
331 .type
= QEMU_OPT_BOOL
,
334 .type
= QEMU_OPT_STRING
,
336 .name
= "splash-time",
337 .type
= QEMU_OPT_NUMBER
,
339 .name
= "reboot-timeout",
340 .type
= QEMU_OPT_NUMBER
,
343 .type
= QEMU_OPT_BOOL
,
349 static QemuOptsList qemu_add_fd_opts
= {
351 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
355 .type
= QEMU_OPT_NUMBER
,
356 .help
= "file descriptor of which a duplicate is added to fd set",
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "ID of the fd set to add fd to",
363 .type
= QEMU_OPT_STRING
,
364 .help
= "free-form string used to describe fd",
366 { /* end of list */ }
370 static QemuOptsList qemu_object_opts
= {
372 .implied_opt_name
= "qom-type",
373 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
379 static QemuOptsList qemu_tpmdev_opts
= {
381 .implied_opt_name
= "type",
382 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
389 static QemuOptsList qemu_realtime_opts
= {
391 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
395 .type
= QEMU_OPT_BOOL
,
397 { /* end of list */ }
401 static QemuOptsList qemu_overcommit_opts
= {
402 .name
= "overcommit",
403 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
407 .type
= QEMU_OPT_BOOL
,
411 .type
= QEMU_OPT_BOOL
,
413 { /* end of list */ }
417 static QemuOptsList qemu_msg_opts
= {
419 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
423 .type
= QEMU_OPT_BOOL
,
425 { /* end of list */ }
429 static QemuOptsList qemu_name_opts
= {
431 .implied_opt_name
= "guest",
433 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
437 .type
= QEMU_OPT_STRING
,
438 .help
= "Sets the name of the guest.\n"
439 "This name will be displayed in the SDL window caption.\n"
440 "The name will also be used for the VNC server",
443 .type
= QEMU_OPT_STRING
,
444 .help
= "Sets the name of the QEMU process, as shown in top etc",
446 .name
= "debug-threads",
447 .type
= QEMU_OPT_BOOL
,
448 .help
= "When enabled, name the individual threads; defaults off.\n"
449 "NOTE: The thread names are for debugging and not a\n"
452 { /* End of list */ }
456 static QemuOptsList qemu_mem_opts
= {
458 .implied_opt_name
= "size",
459 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
464 .type
= QEMU_OPT_SIZE
,
468 .type
= QEMU_OPT_NUMBER
,
472 .type
= QEMU_OPT_SIZE
,
474 { /* end of list */ }
478 static QemuOptsList qemu_icount_opts
= {
480 .implied_opt_name
= "shift",
482 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
486 .type
= QEMU_OPT_STRING
,
489 .type
= QEMU_OPT_BOOL
,
492 .type
= QEMU_OPT_BOOL
,
495 .type
= QEMU_OPT_STRING
,
498 .type
= QEMU_OPT_STRING
,
500 .name
= "rrsnapshot",
501 .type
= QEMU_OPT_STRING
,
503 { /* end of list */ }
507 static QemuOptsList qemu_fw_cfg_opts
= {
509 .implied_opt_name
= "name",
510 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
514 .type
= QEMU_OPT_STRING
,
515 .help
= "Sets the fw_cfg name of the blob to be inserted",
518 .type
= QEMU_OPT_STRING
,
519 .help
= "Sets the name of the file from which "
520 "the fw_cfg blob will be loaded",
523 .type
= QEMU_OPT_STRING
,
524 .help
= "Sets content of the blob to be inserted from a string",
526 { /* end of list */ }
531 * Get machine options
533 * Returns: machine options (never null).
535 QemuOpts
*qemu_get_machine_opts(void)
537 return qemu_find_opts_singleton("machine");
540 const char *qemu_get_vm_name(void)
545 static void res_free(void)
547 g_free(boot_splash_filedata
);
548 boot_splash_filedata
= NULL
;
551 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
553 const char *driver
= qemu_opt_get(opts
, "driver");
558 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
559 if (strcmp(default_list
[i
].driver
, driver
) != 0)
561 *(default_list
[i
].flag
) = 0;
566 /***********************************************************/
569 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
571 /* We use RUN_STATE__MAX but any invalid value will do */
572 static RunState vmstop_requested
= RUN_STATE__MAX
;
573 static QemuMutex vmstop_lock
;
578 } RunStateTransition
;
580 static const RunStateTransition runstate_transitions_def
[] = {
582 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
583 /* Early switch to inmigrate state to allow -incoming CLI option work
584 * as it used to. TODO: delay actual switching to inmigrate state to
585 * the point after machine is built and remove this hack.
587 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
589 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
590 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
591 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
599 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
600 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
601 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
603 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
604 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
606 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
607 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
608 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
610 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
611 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
614 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
615 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
616 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
617 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
618 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
620 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
621 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
624 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
625 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
628 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
629 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
630 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
631 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
632 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
634 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
635 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
637 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
639 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
640 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
641 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
642 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
643 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
644 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
645 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
646 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
647 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
648 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
649 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
651 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
653 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
654 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
655 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
657 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
658 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
659 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
660 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
661 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
662 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
664 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
665 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
666 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
667 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
669 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
670 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
671 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
673 { RUN_STATE__MAX
, RUN_STATE__MAX
},
676 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
678 bool runstate_check(RunState state
)
680 return current_run_state
== state
;
683 bool runstate_store(char *str
, size_t size
)
685 const char *state
= RunState_str(current_run_state
);
686 size_t len
= strlen(state
) + 1;
691 memcpy(str
, state
, len
);
695 static void runstate_init(void)
697 const RunStateTransition
*p
;
699 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
700 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
701 runstate_valid_transitions
[p
->from
][p
->to
] = true;
704 qemu_mutex_init(&vmstop_lock
);
707 /* This function will abort() on invalid state transitions */
708 void runstate_set(RunState new_state
)
710 assert(new_state
< RUN_STATE__MAX
);
712 trace_runstate_set(current_run_state
, RunState_str(current_run_state
),
713 new_state
, RunState_str(new_state
));
715 if (current_run_state
== new_state
) {
719 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
720 error_report("invalid runstate transition: '%s' -> '%s'",
721 RunState_str(current_run_state
),
722 RunState_str(new_state
));
726 current_run_state
= new_state
;
729 int runstate_is_running(void)
731 return runstate_check(RUN_STATE_RUNNING
);
734 bool runstate_needs_reset(void)
736 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
737 runstate_check(RUN_STATE_SHUTDOWN
);
740 StatusInfo
*qmp_query_status(Error
**errp
)
742 StatusInfo
*info
= g_malloc0(sizeof(*info
));
744 info
->running
= runstate_is_running();
745 info
->singlestep
= singlestep
;
746 info
->status
= current_run_state
;
751 bool qemu_vmstop_requested(RunState
*r
)
753 qemu_mutex_lock(&vmstop_lock
);
754 *r
= vmstop_requested
;
755 vmstop_requested
= RUN_STATE__MAX
;
756 qemu_mutex_unlock(&vmstop_lock
);
757 return *r
< RUN_STATE__MAX
;
760 void qemu_system_vmstop_request_prepare(void)
762 qemu_mutex_lock(&vmstop_lock
);
765 void qemu_system_vmstop_request(RunState state
)
767 vmstop_requested
= state
;
768 qemu_mutex_unlock(&vmstop_lock
);
772 /***********************************************************/
773 /* RTC reference time/date access */
774 static time_t qemu_ref_timedate(QEMUClockType clock
)
776 time_t value
= qemu_clock_get_ms(clock
) / 1000;
778 case QEMU_CLOCK_REALTIME
:
779 value
-= rtc_realtime_clock_offset
;
781 case QEMU_CLOCK_VIRTUAL
:
782 value
+= rtc_ref_start_datetime
;
784 case QEMU_CLOCK_HOST
:
785 if (rtc_base_type
== RTC_BASE_DATETIME
) {
786 value
-= rtc_host_datetime_offset
;
795 void qemu_get_timedate(struct tm
*tm
, int offset
)
797 time_t ti
= qemu_ref_timedate(rtc_clock
);
801 switch (rtc_base_type
) {
802 case RTC_BASE_DATETIME
:
806 case RTC_BASE_LOCALTIME
:
807 localtime_r(&ti
, tm
);
812 int qemu_timedate_diff(struct tm
*tm
)
816 switch (rtc_base_type
) {
817 case RTC_BASE_DATETIME
:
819 seconds
= mktimegm(tm
);
821 case RTC_BASE_LOCALTIME
:
824 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
825 seconds
= mktime(&tmp
);
832 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
835 static void configure_rtc_base_datetime(const char *startdate
)
837 time_t rtc_start_datetime
;
840 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
841 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
843 } else if (sscanf(startdate
, "%d-%d-%d",
844 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
853 rtc_start_datetime
= mktimegm(&tm
);
854 if (rtc_start_datetime
== -1) {
856 error_report("invalid datetime format");
857 error_printf("valid formats: "
858 "'2006-06-17T16:01:21' or '2006-06-17'\n");
861 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
862 rtc_ref_start_datetime
= rtc_start_datetime
;
865 static void configure_rtc(QemuOpts
*opts
)
870 rtc_clock
= QEMU_CLOCK_HOST
;
871 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
872 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
874 value
= qemu_opt_get(opts
, "base");
876 if (!strcmp(value
, "utc")) {
877 rtc_base_type
= RTC_BASE_UTC
;
878 } else if (!strcmp(value
, "localtime")) {
879 Error
*blocker
= NULL
;
880 rtc_base_type
= RTC_BASE_LOCALTIME
;
881 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
882 "-rtc base=localtime");
883 replay_add_blocker(blocker
);
885 rtc_base_type
= RTC_BASE_DATETIME
;
886 configure_rtc_base_datetime(value
);
889 value
= qemu_opt_get(opts
, "clock");
891 if (!strcmp(value
, "host")) {
892 rtc_clock
= QEMU_CLOCK_HOST
;
893 } else if (!strcmp(value
, "rt")) {
894 rtc_clock
= QEMU_CLOCK_REALTIME
;
895 } else if (!strcmp(value
, "vm")) {
896 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
898 error_report("invalid option value '%s'", value
);
902 value
= qemu_opt_get(opts
, "driftfix");
904 if (!strcmp(value
, "slew")) {
905 static GlobalProperty slew_lost_ticks
= {
906 .driver
= "mc146818rtc",
907 .property
= "lost_tick_policy",
911 qdev_prop_register_global(&slew_lost_ticks
);
912 } else if (!strcmp(value
, "none")) {
913 /* discard is default */
915 error_report("invalid option value '%s'", value
);
921 /***********************************************************/
922 /* Bluetooth support */
925 static struct HCIInfo
*hci_table
[MAX_NICS
];
927 struct HCIInfo
*qemu_next_hci(void)
929 if (cur_hci
== nb_hcis
)
932 return hci_table
[cur_hci
++];
935 static int bt_hci_parse(const char *str
)
940 if (nb_hcis
>= MAX_NICS
) {
941 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
954 bdaddr
.b
[5] = 0x56 + nb_hcis
;
955 hci
->bdaddr_set(hci
, bdaddr
.b
);
957 hci_table
[nb_hcis
++] = hci
;
962 static void bt_vhci_add(int vlan_id
)
964 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
967 warn_report("adding a VHCI to an empty scatternet %i",
970 bt_vhci_init(bt_new_hci(vlan
));
973 static struct bt_device_s
*bt_device_add(const char *opt
)
975 struct bt_scatternet_s
*vlan
;
977 char *endp
= strstr(opt
, ",vlan=");
978 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
981 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
984 vlan_id
= strtol(endp
+ 6, &endp
, 0);
986 error_report("unrecognised bluetooth vlan Id");
991 vlan
= qemu_find_bt_vlan(vlan_id
);
994 warn_report("adding a slave device to an empty scatternet %i",
997 if (!strcmp(devname
, "keyboard"))
998 return bt_keyboard_init(vlan
);
1000 error_report("unsupported bluetooth device '%s'", devname
);
1004 static int bt_parse(const char *opt
)
1006 const char *endp
, *p
;
1009 if (strstart(opt
, "hci", &endp
)) {
1010 if (!*endp
|| *endp
== ',') {
1012 if (!strstart(endp
, ",vlan=", 0))
1015 return bt_hci_parse(opt
);
1017 } else if (strstart(opt
, "vhci", &endp
)) {
1018 if (!*endp
|| *endp
== ',') {
1020 if (strstart(endp
, ",vlan=", &p
)) {
1021 vlan
= strtol(p
, (char **) &endp
, 0);
1023 error_report("bad scatternet '%s'", p
);
1027 error_report("bad parameter '%s'", endp
+ 1);
1036 } else if (strstart(opt
, "device:", &endp
))
1037 return !bt_device_add(endp
);
1039 error_report("bad bluetooth parameter '%s'", opt
);
1043 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1045 const char *proc_name
;
1047 if (qemu_opt_get(opts
, "debug-threads")) {
1048 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1050 qemu_name
= qemu_opt_get(opts
, "guest");
1052 proc_name
= qemu_opt_get(opts
, "process");
1054 os_set_proc_name(proc_name
);
1060 bool defaults_enabled(void)
1062 return has_defaults
;
1066 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1068 int fd
, dupfd
, flags
;
1070 const char *fd_opaque
= NULL
;
1073 fd
= qemu_opt_get_number(opts
, "fd", -1);
1074 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1075 fd_opaque
= qemu_opt_get(opts
, "opaque");
1078 error_setg(errp
, "fd option is required and must be non-negative");
1082 if (fd
<= STDERR_FILENO
) {
1083 error_setg(errp
, "fd cannot be a standard I/O stream");
1088 * All fds inherited across exec() necessarily have FD_CLOEXEC
1089 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1091 flags
= fcntl(fd
, F_GETFD
);
1092 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1093 error_setg(errp
, "fd is not valid or already in use");
1098 error_setg(errp
, "set option is required and must be non-negative");
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1107 qemu_set_cloexec(dupfd
);
1111 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1115 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1116 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1123 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1127 fd
= qemu_opt_get_number(opts
, "fd", -1);
1134 /***********************************************************/
1135 /* QEMU Block devices */
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1140 #define PFLASH_OPTS ""
1144 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1146 BlockInterfaceType
*block_default_type
= opaque
;
1148 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1151 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1153 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1154 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1159 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1160 int index
, const char *optstr
)
1165 if (!enable
|| drive_get_by_index(type
, index
)) {
1169 opts
= drive_add(type
, index
, NULL
, optstr
);
1171 drive_enable_snapshot(NULL
, opts
, NULL
);
1174 dinfo
= drive_new(opts
, type
, &error_abort
);
1175 dinfo
->is_default
= true;
1179 typedef struct BlockdevOptionsQueueEntry
{
1180 BlockdevOptions
*bdo
;
1182 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
1183 } BlockdevOptionsQueueEntry
;
1185 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
1187 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
1188 MachineClass
*machine_class
, int snapshot
)
1191 * If the currently selected machine wishes to override the
1192 * units-per-bus property of its default HBA interface type, do so
1195 if (machine_class
->units_per_default_bus
) {
1196 override_max_devs(machine_class
->block_default_type
,
1197 machine_class
->units_per_default_bus
);
1200 /* open the virtual block devices */
1201 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
1202 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
1204 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
1205 loc_push_restore(&bdo
->loc
);
1206 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
1208 qapi_free_BlockdevOptions(bdo
->bdo
);
1211 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
1212 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
1215 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
1216 &machine_class
->block_default_type
, &error_fatal
)) {
1217 /* We printed help */
1221 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
1223 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
1224 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
1228 static QemuOptsList qemu_smp_opts
= {
1230 .implied_opt_name
= "cpus",
1231 .merge_lists
= true,
1232 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1236 .type
= QEMU_OPT_NUMBER
,
1239 .type
= QEMU_OPT_NUMBER
,
1242 .type
= QEMU_OPT_NUMBER
,
1245 .type
= QEMU_OPT_NUMBER
,
1248 .type
= QEMU_OPT_NUMBER
,
1250 { /*End of list */ }
1254 static void smp_parse(QemuOpts
*opts
)
1257 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1258 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1259 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1260 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1262 /* compute missing values, prefer sockets over cores over threads */
1263 if (cpus
== 0 || sockets
== 0) {
1264 cores
= cores
> 0 ? cores
: 1;
1265 threads
= threads
> 0 ? threads
: 1;
1267 sockets
= sockets
> 0 ? sockets
: 1;
1268 cpus
= cores
* threads
* sockets
;
1270 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1271 sockets
= max_cpus
/ (cores
* threads
);
1273 } else if (cores
== 0) {
1274 threads
= threads
> 0 ? threads
: 1;
1275 cores
= cpus
/ (sockets
* threads
);
1276 cores
= cores
> 0 ? cores
: 1;
1277 } else if (threads
== 0) {
1278 threads
= cpus
/ (cores
* sockets
);
1279 threads
= threads
> 0 ? threads
: 1;
1280 } else if (sockets
* cores
* threads
< cpus
) {
1281 error_report("cpu topology: "
1282 "sockets (%u) * cores (%u) * threads (%u) < "
1284 sockets
, cores
, threads
, cpus
);
1288 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1290 if (max_cpus
< cpus
) {
1291 error_report("maxcpus must be equal to or greater than smp");
1295 if (sockets
* cores
* threads
> max_cpus
) {
1296 error_report("cpu topology: "
1297 "sockets (%u) * cores (%u) * threads (%u) > "
1299 sockets
, cores
, threads
, max_cpus
);
1303 if (sockets
* cores
* threads
!= max_cpus
) {
1304 warn_report("Invalid CPU topology deprecated: "
1305 "sockets (%u) * cores (%u) * threads (%u) "
1307 sockets
, cores
, threads
, max_cpus
);
1312 smp_threads
= threads
;
1316 Error
*blocker
= NULL
;
1317 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1318 replay_add_blocker(blocker
);
1322 static void realtime_init(void)
1325 if (os_mlock() < 0) {
1326 error_report("locking memory failed");
1333 static void configure_msg(QemuOpts
*opts
)
1335 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru
;
1341 static void igd_gfx_passthru(void)
1343 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1346 /***********************************************************/
1349 static int usb_device_add(const char *devname
)
1351 USBDevice
*dev
= NULL
;
1353 if (!machine_usb(current_machine
)) {
1357 dev
= usbdevice_create(devname
);
1364 static int usb_parse(const char *cmdline
)
1367 r
= usb_device_add(cmdline
);
1369 error_report("could not add USB device '%s'", cmdline
);
1374 /***********************************************************/
1375 /* machine registration */
1377 MachineState
*current_machine
;
1379 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
1383 for (el
= machines
; el
; el
= el
->next
) {
1384 MachineClass
*mc
= el
->data
;
1386 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
1394 static MachineClass
*find_default_machine(GSList
*machines
)
1398 for (el
= machines
; el
; el
= el
->next
) {
1399 MachineClass
*mc
= el
->data
;
1401 if (mc
->is_default
) {
1409 MachineInfoList
*qmp_query_machines(Error
**errp
)
1411 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1412 MachineInfoList
*mach_list
= NULL
;
1414 for (el
= machines
; el
; el
= el
->next
) {
1415 MachineClass
*mc
= el
->data
;
1416 MachineInfoList
*entry
;
1419 info
= g_malloc0(sizeof(*info
));
1420 if (mc
->is_default
) {
1421 info
->has_is_default
= true;
1422 info
->is_default
= true;
1426 info
->has_alias
= true;
1427 info
->alias
= g_strdup(mc
->alias
);
1430 info
->name
= g_strdup(mc
->name
);
1431 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1432 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1434 entry
= g_malloc0(sizeof(*entry
));
1435 entry
->value
= info
;
1436 entry
->next
= mach_list
;
1440 g_slist_free(machines
);
1444 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1446 ObjectProperty
*prop
;
1447 ObjectPropertyIterator iter
;
1449 if (!qemu_opt_has_help_opt(opts
)) {
1453 object_property_iter_init(&iter
, OBJECT(machine
));
1454 while ((prop
= object_property_iter_next(&iter
))) {
1459 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1460 prop
->name
, prop
->type
);
1461 if (prop
->description
) {
1462 printf(" (%s)\n", prop
->description
);
1471 struct vm_change_state_entry
{
1472 VMChangeStateHandler
*cb
;
1474 QLIST_ENTRY (vm_change_state_entry
) entries
;
1477 static QLIST_HEAD(, vm_change_state_entry
) vm_change_state_head
;
1479 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1482 VMChangeStateEntry
*e
;
1484 e
= g_malloc0(sizeof (*e
));
1488 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1492 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1494 QLIST_REMOVE (e
, entries
);
1498 void vm_state_notify(int running
, RunState state
)
1500 VMChangeStateEntry
*e
, *next
;
1502 trace_vm_state_notify(running
, state
, RunState_str(state
));
1504 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1505 e
->cb(e
->opaque
, running
, state
);
1509 static ShutdownCause reset_requested
;
1510 static ShutdownCause shutdown_requested
;
1511 static int shutdown_signal
;
1512 static pid_t shutdown_pid
;
1513 static int powerdown_requested
;
1514 static int debug_requested
;
1515 static int suspend_requested
;
1516 static bool preconfig_exit_requested
= true;
1517 static WakeupReason wakeup_reason
;
1518 static NotifierList powerdown_notifiers
=
1519 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1520 static NotifierList suspend_notifiers
=
1521 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1522 static NotifierList wakeup_notifiers
=
1523 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1524 static NotifierList shutdown_notifiers
=
1525 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers
);
1526 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1528 ShutdownCause
qemu_shutdown_requested_get(void)
1530 return shutdown_requested
;
1533 ShutdownCause
qemu_reset_requested_get(void)
1535 return reset_requested
;
1538 static int qemu_shutdown_requested(void)
1540 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1543 static void qemu_kill_report(void)
1545 if (!qtest_driver() && shutdown_signal
) {
1546 if (shutdown_pid
== 0) {
1547 /* This happens for eg ^C at the terminal, so it's worth
1548 * avoiding printing an odd message in that case.
1550 error_report("terminating on signal %d", shutdown_signal
);
1552 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1554 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1555 shutdown_signal
, shutdown_pid
,
1556 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1557 g_free(shutdown_cmd
);
1559 shutdown_signal
= 0;
1563 static ShutdownCause
qemu_reset_requested(void)
1565 ShutdownCause r
= reset_requested
;
1567 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1568 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1571 return SHUTDOWN_CAUSE_NONE
;
1574 static int qemu_suspend_requested(void)
1576 int r
= suspend_requested
;
1577 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1578 suspend_requested
= 0;
1584 static WakeupReason
qemu_wakeup_requested(void)
1586 return wakeup_reason
;
1589 static int qemu_powerdown_requested(void)
1591 int r
= powerdown_requested
;
1592 powerdown_requested
= 0;
1596 static int qemu_debug_requested(void)
1598 int r
= debug_requested
;
1599 debug_requested
= 0;
1603 void qemu_exit_preconfig_request(void)
1605 preconfig_exit_requested
= true;
1609 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1611 void qemu_system_reset(ShutdownCause reason
)
1615 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1617 cpu_synchronize_all_states();
1619 if (mc
&& mc
->reset
) {
1622 qemu_devices_reset();
1624 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1625 qapi_event_send_reset(shutdown_caused_by_guest(reason
), reason
);
1627 cpu_synchronize_all_post_reset();
1630 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1632 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1635 current_cpu
->crash_occurred
= true;
1637 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1639 vm_stop(RUN_STATE_GUEST_PANICKED
);
1641 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1643 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1647 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1648 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1649 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1650 info
->u
.hyper_v
.arg1
,
1651 info
->u
.hyper_v
.arg2
,
1652 info
->u
.hyper_v
.arg3
,
1653 info
->u
.hyper_v
.arg4
,
1654 info
->u
.hyper_v
.arg5
);
1655 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1656 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1657 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1659 S390CrashReason_str(info
->u
.s390
.reason
),
1660 info
->u
.s390
.psw_mask
,
1661 info
->u
.s390
.psw_addr
);
1663 qapi_free_GuestPanicInformation(info
);
1667 void qemu_system_reset_request(ShutdownCause reason
)
1669 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1670 shutdown_requested
= reason
;
1672 reset_requested
= reason
;
1675 qemu_notify_event();
1678 static void qemu_system_suspend(void)
1681 notifier_list_notify(&suspend_notifiers
, NULL
);
1682 runstate_set(RUN_STATE_SUSPENDED
);
1683 qapi_event_send_suspend();
1686 void qemu_system_suspend_request(void)
1688 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1691 suspend_requested
= 1;
1693 qemu_notify_event();
1696 void qemu_register_suspend_notifier(Notifier
*notifier
)
1698 notifier_list_add(&suspend_notifiers
, notifier
);
1701 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
)
1703 trace_system_wakeup_request(reason
);
1705 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1707 "Unable to wake up: guest is not in suspended state");
1710 if (!(wakeup_reason_mask
& (1 << reason
))) {
1713 runstate_set(RUN_STATE_RUNNING
);
1714 wakeup_reason
= reason
;
1715 qemu_notify_event();
1718 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1721 wakeup_reason_mask
|= (1 << reason
);
1723 wakeup_reason_mask
&= ~(1 << reason
);
1727 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1729 notifier_list_add(&wakeup_notifiers
, notifier
);
1732 void qemu_register_wakeup_support(void)
1734 wakeup_suspend_enabled
= true;
1737 bool qemu_wakeup_suspend_enabled(void)
1739 return wakeup_suspend_enabled
;
1742 CurrentMachineParams
*qmp_query_current_machine(Error
**errp
)
1744 CurrentMachineParams
*params
= g_malloc0(sizeof(*params
));
1745 params
->wakeup_suspend_support
= qemu_wakeup_suspend_enabled();
1750 void qemu_system_killed(int signal
, pid_t pid
)
1752 shutdown_signal
= signal
;
1756 /* Cannot call qemu_system_shutdown_request directly because
1757 * we are in a signal handler.
1759 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1760 qemu_notify_event();
1763 void qemu_system_shutdown_request(ShutdownCause reason
)
1765 trace_qemu_system_shutdown_request(reason
);
1766 replay_shutdown_request(reason
);
1767 shutdown_requested
= reason
;
1768 qemu_notify_event();
1771 static void qemu_system_powerdown(void)
1773 qapi_event_send_powerdown();
1774 notifier_list_notify(&powerdown_notifiers
, NULL
);
1777 static void qemu_system_shutdown(ShutdownCause cause
)
1779 qapi_event_send_shutdown(shutdown_caused_by_guest(cause
), cause
);
1780 notifier_list_notify(&shutdown_notifiers
, &cause
);
1783 void qemu_system_powerdown_request(void)
1785 trace_qemu_system_powerdown_request();
1786 powerdown_requested
= 1;
1787 qemu_notify_event();
1790 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1792 notifier_list_add(&powerdown_notifiers
, notifier
);
1795 void qemu_register_shutdown_notifier(Notifier
*notifier
)
1797 notifier_list_add(&shutdown_notifiers
, notifier
);
1800 void qemu_system_debug_request(void)
1802 debug_requested
= 1;
1803 qemu_notify_event();
1806 static bool main_loop_should_exit(void)
1809 ShutdownCause request
;
1811 if (preconfig_exit_requested
) {
1812 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1813 runstate_set(RUN_STATE_PRELAUNCH
);
1815 preconfig_exit_requested
= false;
1818 if (qemu_debug_requested()) {
1819 vm_stop(RUN_STATE_DEBUG
);
1821 if (qemu_suspend_requested()) {
1822 qemu_system_suspend();
1824 request
= qemu_shutdown_requested();
1827 qemu_system_shutdown(request
);
1829 vm_stop(RUN_STATE_SHUTDOWN
);
1834 request
= qemu_reset_requested();
1837 qemu_system_reset(request
);
1839 if (!runstate_check(RUN_STATE_RUNNING
) &&
1840 !runstate_check(RUN_STATE_INMIGRATE
)) {
1841 runstate_set(RUN_STATE_PRELAUNCH
);
1844 if (qemu_wakeup_requested()) {
1846 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1847 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1848 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1850 qapi_event_send_wakeup();
1852 if (qemu_powerdown_requested()) {
1853 qemu_system_powerdown();
1855 if (qemu_vmstop_requested(&r
)) {
1861 static void main_loop(void)
1863 #ifdef CONFIG_PROFILER
1866 while (!main_loop_should_exit()) {
1867 #ifdef CONFIG_PROFILER
1868 ti
= profile_getclock();
1870 main_loop_wait(false);
1871 #ifdef CONFIG_PROFILER
1872 dev_time
+= profile_getclock() - ti
;
1877 static void version(void)
1879 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1880 QEMU_COPYRIGHT
"\n");
1883 static void help(int exitcode
)
1886 printf("usage: %s [options] [disk_image]\n\n"
1887 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1888 error_get_progname());
1890 #define QEMU_OPTIONS_GENERATE_HELP
1891 #include "qemu-options-wrapper.h"
1893 printf("\nDuring emulation, the following keys are useful:\n"
1894 "ctrl-alt-f toggle full screen\n"
1895 "ctrl-alt-n switch to virtual console 'n'\n"
1896 "ctrl-alt toggle mouse and keyboard grab\n"
1898 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1900 QEMU_HELP_BOTTOM
"\n");
1905 #define HAS_ARG 0x0001
1907 typedef struct QEMUOption
{
1914 static const QEMUOption qemu_options
[] = {
1915 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1916 #define QEMU_OPTIONS_GENERATE_OPTIONS
1917 #include "qemu-options-wrapper.h"
1921 typedef struct VGAInterfaceInfo
{
1922 const char *opt_name
; /* option name */
1923 const char *name
; /* human-readable name */
1924 /* Class names indicating that support is available.
1925 * If no class is specified, the interface is always available */
1926 const char *class_names
[2];
1929 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1932 .name
= "no graphic card",
1936 .name
= "standard VGA",
1937 .class_names
= { "VGA", "isa-vga" },
1940 .opt_name
= "cirrus",
1941 .name
= "Cirrus VGA",
1942 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1945 .opt_name
= "vmware",
1946 .name
= "VMWare SVGA",
1947 .class_names
= { "vmware-svga" },
1950 .opt_name
= "virtio",
1951 .name
= "Virtio VGA",
1952 .class_names
= { "virtio-vga" },
1957 .class_names
= { "qxl-vga" },
1961 .name
= "TCX framebuffer",
1962 .class_names
= { "SUNW,tcx" },
1966 .name
= "CG3 framebuffer",
1967 .class_names
= { "cgthree" },
1970 .opt_name
= "xenfb",
1971 .name
= "Xen paravirtualized framebuffer",
1975 static bool vga_interface_available(VGAInterfaceType t
)
1977 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1979 assert(t
< VGA_TYPE_MAX
);
1980 return !ti
->class_names
[0] ||
1981 object_class_by_name(ti
->class_names
[0]) ||
1982 object_class_by_name(ti
->class_names
[1]);
1986 get_default_vga_model(const MachineClass
*machine_class
)
1988 if (machine_class
->default_display
) {
1989 return machine_class
->default_display
;
1990 } else if (vga_interface_available(VGA_CIRRUS
)) {
1992 } else if (vga_interface_available(VGA_STD
)) {
1999 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
2004 if (g_str_equal(p
, "help")) {
2005 const char *def
= get_default_vga_model(machine_class
);
2007 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2008 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2010 if (vga_interface_available(t
) && ti
->opt_name
) {
2011 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
2012 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
2018 assert(vga_interface_type
== VGA_NONE
);
2019 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2020 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2021 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2022 if (!vga_interface_available(t
)) {
2023 error_report("%s not available", ti
->name
);
2026 vga_interface_type
= t
;
2030 if (t
== VGA_TYPE_MAX
) {
2032 error_report("unknown vga type: %s", p
);
2036 const char *nextopt
;
2038 if (strstart(opts
, ",retrace=", &nextopt
)) {
2040 if (strstart(opts
, "dumb", &nextopt
))
2041 vga_retrace_method
= VGA_RETRACE_DUMB
;
2042 else if (strstart(opts
, "precise", &nextopt
))
2043 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2044 else goto invalid_vga
;
2045 } else goto invalid_vga
;
2050 static void parse_display_qapi(const char *optarg
)
2052 DisplayOptions
*opts
;
2055 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
2057 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2058 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2060 qapi_free_DisplayOptions(opts
);
2064 DisplayOptions
*qmp_query_display_options(Error
**errp
)
2066 return QAPI_CLONE(DisplayOptions
, &dpy
);
2069 static void parse_display(const char *p
)
2073 if (strstart(p
, "sdl", &opts
)) {
2075 * sdl DisplayType needs hand-crafted parser instead of
2076 * parse_display_qapi() due to some options not in
2077 * DisplayOptions, specifically:
2079 * Already deprecated.
2080 * - ctrl_grab + alt_grab
2081 * Not clear yet what happens to them long-term. Should
2082 * replaced by something better or deprecated and dropped.
2084 dpy
.type
= DISPLAY_TYPE_SDL
;
2086 const char *nextopt
;
2088 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2090 if (strstart(opts
, "on", &nextopt
)) {
2092 } else if (strstart(opts
, "off", &nextopt
)) {
2095 goto invalid_sdl_args
;
2097 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2099 if (strstart(opts
, "on", &nextopt
)) {
2101 } else if (strstart(opts
, "off", &nextopt
)) {
2104 goto invalid_sdl_args
;
2106 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2108 dpy
.has_window_close
= true;
2109 if (strstart(opts
, "on", &nextopt
)) {
2110 dpy
.window_close
= true;
2111 } else if (strstart(opts
, "off", &nextopt
)) {
2112 dpy
.window_close
= false;
2114 goto invalid_sdl_args
;
2116 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2119 if (strstart(opts
, "on", &nextopt
)) {
2120 dpy
.gl
= DISPLAYGL_MODE_ON
;
2121 } else if (strstart(opts
, "core", &nextopt
)) {
2122 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2123 } else if (strstart(opts
, "es", &nextopt
)) {
2124 dpy
.gl
= DISPLAYGL_MODE_ES
;
2125 } else if (strstart(opts
, "off", &nextopt
)) {
2126 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2128 goto invalid_sdl_args
;
2132 error_report("invalid SDL option string");
2137 } else if (strstart(p
, "vnc", &opts
)) {
2139 * vnc isn't a (local) DisplayType but a protocol for remote
2143 vnc_parse(opts
+ 1, &error_fatal
);
2145 error_report("VNC requires a display argument vnc=<display>");
2149 parse_display_qapi(p
);
2153 char *qemu_find_file(int type
, const char *name
)
2159 /* Try the name as a straight path first */
2160 if (access(name
, R_OK
) == 0) {
2161 trace_load_file(name
, name
);
2162 return g_strdup(name
);
2166 case QEMU_FILE_TYPE_BIOS
:
2169 case QEMU_FILE_TYPE_KEYMAP
:
2170 subdir
= "keymaps/";
2176 for (i
= 0; i
< data_dir_idx
; i
++) {
2177 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2178 if (access(buf
, R_OK
) == 0) {
2179 trace_load_file(name
, buf
);
2187 static void qemu_add_data_dir(const char *path
)
2194 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2197 for (i
= 0; i
< data_dir_idx
; i
++) {
2198 if (strcmp(data_dir
[i
], path
) == 0) {
2199 return; /* duplicate */
2202 data_dir
[data_dir_idx
++] = g_strdup(path
);
2205 static inline bool nonempty_str(const char *str
)
2210 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2214 const char *name
, *file
, *str
;
2215 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2217 if (fw_cfg
== NULL
) {
2218 error_setg(errp
, "fw_cfg device not available");
2221 name
= qemu_opt_get(opts
, "name");
2222 file
= qemu_opt_get(opts
, "file");
2223 str
= qemu_opt_get(opts
, "string");
2225 /* we need name and either a file or the content string */
2226 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2227 error_setg(errp
, "invalid argument(s)");
2230 if (nonempty_str(file
) && nonempty_str(str
)) {
2231 error_setg(errp
, "file and string are mutually exclusive");
2234 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2235 error_setg(errp
, "name too long (max. %d char)",
2236 FW_CFG_MAX_FILE_PATH
- 1);
2239 if (strncmp(name
, "opt/", 4) != 0) {
2240 warn_report("externally provided fw_cfg item names "
2241 "should be prefixed with \"opt/\"");
2243 if (nonempty_str(str
)) {
2244 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2245 buf
= g_memdup(str
, size
);
2248 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
2249 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
2254 /* For legacy, keep user files in a specific global order. */
2255 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2256 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2257 fw_cfg_reset_order_override(fw_cfg
);
2261 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2263 return qdev_device_help(opts
);
2266 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2270 dev
= qdev_device_add(opts
, errp
);
2274 object_unref(OBJECT(dev
));
2278 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2280 Error
*local_err
= NULL
;
2282 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
2284 error_propagate(errp
, local_err
);
2292 #ifdef CONFIG_VIRTFS
2293 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2295 return qemu_fsdev_add(opts
, errp
);
2299 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2302 const char *chardev
;
2306 mode
= qemu_opt_get(opts
, "mode");
2310 if (strcmp(mode
, "readline") == 0) {
2311 flags
= MONITOR_USE_READLINE
;
2312 } else if (strcmp(mode
, "control") == 0) {
2313 flags
= MONITOR_USE_CONTROL
;
2315 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2319 if (qemu_opt_get_bool(opts
, "pretty", 0))
2320 flags
|= MONITOR_USE_PRETTY
;
2322 chardev
= qemu_opt_get(opts
, "chardev");
2324 error_report("chardev is required");
2327 chr
= qemu_chr_find(chardev
);
2329 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2333 monitor_init(chr
, flags
);
2337 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2339 static int monitor_device_index
= 0;
2344 if (strstart(optarg
, "chardev:", &p
)) {
2345 snprintf(label
, sizeof(label
), "%s", p
);
2347 snprintf(label
, sizeof(label
), "compat_monitor%d",
2348 monitor_device_index
);
2349 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2351 error_report("parse error: %s", optarg
);
2356 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2357 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2358 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2359 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2360 monitor_device_index
++;
2363 struct device_config
{
2365 DEV_USB
, /* -usbdevice */
2367 DEV_SERIAL
, /* -serial */
2368 DEV_PARALLEL
, /* -parallel */
2369 DEV_DEBUGCON
, /* -debugcon */
2370 DEV_GDB
, /* -gdb, -s */
2371 DEV_SCLP
, /* s390 sclp */
2373 const char *cmdline
;
2375 QTAILQ_ENTRY(device_config
) next
;
2378 static QTAILQ_HEAD(, device_config
) device_configs
=
2379 QTAILQ_HEAD_INITIALIZER(device_configs
);
2381 static void add_device_config(int type
, const char *cmdline
)
2383 struct device_config
*conf
;
2385 conf
= g_malloc0(sizeof(*conf
));
2387 conf
->cmdline
= cmdline
;
2388 loc_save(&conf
->loc
);
2389 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2392 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2394 struct device_config
*conf
;
2397 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2398 if (conf
->type
!= type
)
2400 loc_push_restore(&conf
->loc
);
2401 rc
= func(conf
->cmdline
);
2402 loc_pop(&conf
->loc
);
2410 static int serial_parse(const char *devname
)
2412 int index
= num_serial_hds
;
2415 if (strcmp(devname
, "none") == 0)
2417 snprintf(label
, sizeof(label
), "serial%d", index
);
2418 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2420 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2421 if (!serial_hds
[index
]) {
2422 error_report("could not connect serial device"
2423 " to character backend '%s'", devname
);
2430 Chardev
*serial_hd(int i
)
2433 if (i
< num_serial_hds
) {
2434 return serial_hds
[i
];
2439 int serial_max_hds(void)
2441 return num_serial_hds
;
2444 static int parallel_parse(const char *devname
)
2446 static int index
= 0;
2449 if (strcmp(devname
, "none") == 0)
2451 if (index
== MAX_PARALLEL_PORTS
) {
2452 error_report("too many parallel ports");
2455 snprintf(label
, sizeof(label
), "parallel%d", index
);
2456 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2457 if (!parallel_hds
[index
]) {
2458 error_report("could not connect parallel device"
2459 " to character backend '%s'", devname
);
2466 static int debugcon_parse(const char *devname
)
2470 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
2471 error_report("invalid character backend '%s'", devname
);
2474 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2476 error_report("already have a debugcon device");
2479 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2480 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2484 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2486 const MachineClass
*mc1
= a
, *mc2
= b
;
2489 if (mc1
->family
== NULL
) {
2490 if (mc2
->family
== NULL
) {
2491 /* Compare standalone machine types against each other; they sort
2492 * in increasing order.
2494 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2495 object_class_get_name(OBJECT_CLASS(mc2
)));
2498 /* Standalone machine types sort after families. */
2502 if (mc2
->family
== NULL
) {
2503 /* Families sort before standalone machine types. */
2507 /* Families sort between each other alphabetically increasingly. */
2508 res
= strcmp(mc1
->family
, mc2
->family
);
2513 /* Within the same family, machine types sort in decreasing order. */
2514 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2515 object_class_get_name(OBJECT_CLASS(mc1
)));
2518 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
2523 if (is_help_option(name
)) {
2524 printf("Supported machines are:\n");
2525 machines
= g_slist_sort(machines
, machine_class_cmp
);
2526 for (el
= machines
; el
; el
= el
->next
) {
2527 MachineClass
*mc
= el
->data
;
2529 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2531 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2532 mc
->is_default
? " (default)" : "",
2533 mc
->deprecation_reason
? " (deprecated)" : "");
2538 mc
= find_machine(name
, machines
);
2540 error_report("unsupported machine type");
2541 error_printf("Use -machine help to list supported machines\n");
2547 void qemu_add_exit_notifier(Notifier
*notify
)
2549 notifier_list_add(&exit_notifiers
, notify
);
2552 void qemu_remove_exit_notifier(Notifier
*notify
)
2554 notifier_remove(notify
);
2557 static void qemu_run_exit_notifiers(void)
2559 notifier_list_notify(&exit_notifiers
, NULL
);
2562 static const char *pid_file
;
2563 static Notifier qemu_unlink_pidfile_notifier
;
2565 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2572 bool machine_init_done
;
2574 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2576 notifier_list_add(&machine_init_done_notifiers
, notify
);
2577 if (machine_init_done
) {
2578 notify
->notify(notify
, NULL
);
2582 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2584 notifier_remove(notify
);
2587 static void qemu_run_machine_init_done_notifiers(void)
2589 machine_init_done
= true;
2590 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2593 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2594 const char **poptarg
, int *poptind
)
2596 const QEMUOption
*popt
;
2597 int optind
= *poptind
;
2598 char *r
= argv
[optind
];
2601 loc_set_cmdline(argv
, optind
, 1);
2603 /* Treat --foo the same as -foo. */
2606 popt
= qemu_options
;
2609 error_report("invalid option");
2612 if (!strcmp(popt
->name
, r
+ 1))
2616 if (popt
->flags
& HAS_ARG
) {
2617 if (optind
>= argc
) {
2618 error_report("requires an argument");
2621 optarg
= argv
[optind
++];
2622 loc_set_cmdline(argv
, optind
- 2, 2);
2633 static MachineClass
*select_machine(void)
2635 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
2636 MachineClass
*machine_class
= find_default_machine(machines
);
2641 loc_push_none(&loc
);
2643 opts
= qemu_get_machine_opts();
2644 qemu_opts_loc_restore(opts
);
2646 optarg
= qemu_opt_get(opts
, "type");
2648 machine_class
= machine_parse(optarg
, machines
);
2651 if (!machine_class
) {
2652 error_report("No machine specified, and there is no default");
2653 error_printf("Use -machine help to list supported machines\n");
2658 g_slist_free(machines
);
2659 return machine_class
;
2662 static int machine_set_property(void *opaque
,
2663 const char *name
, const char *value
,
2666 Object
*obj
= OBJECT(opaque
);
2667 Error
*local_err
= NULL
;
2670 if (strcmp(name
, "type") == 0) {
2674 qom_name
= g_strdup(name
);
2675 for (p
= qom_name
; *p
; p
++) {
2681 object_property_parse(obj
, value
, qom_name
, &local_err
);
2685 error_propagate(errp
, local_err
);
2694 * Initial object creation happens before all other
2695 * QEMU data types are created. The majority of objects
2696 * can be created at this point. The rng-egd object
2697 * cannot be created here, as it depends on the chardev
2700 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2704 if (is_help_option(type
)) {
2707 printf("List of user creatable objects:\n");
2708 list
= object_class_get_list_sorted(TYPE_USER_CREATABLE
, false);
2709 for (l
= list
; l
!= NULL
; l
= l
->next
) {
2710 ObjectClass
*oc
= OBJECT_CLASS(l
->data
);
2711 printf(" %s\n", object_class_get_name(oc
));
2717 klass
= object_class_by_name(type
);
2718 if (klass
&& qemu_opt_has_help_opt(opts
)) {
2719 ObjectPropertyIterator iter
;
2720 ObjectProperty
*prop
;
2721 GPtrArray
*array
= g_ptr_array_new();
2724 object_class_property_iter_init(&iter
, klass
);
2725 while ((prop
= object_property_iter_next(&iter
))) {
2732 str
= g_string_new(NULL
);
2733 g_string_append_printf(str
, " %s=<%s>", prop
->name
, prop
->type
);
2734 if (prop
->description
) {
2735 if (str
->len
< 24) {
2736 g_string_append_printf(str
, "%*s", 24 - (int)str
->len
, "");
2738 g_string_append_printf(str
, " - %s", prop
->description
);
2740 g_ptr_array_add(array
, g_string_free(str
, false));
2742 g_ptr_array_sort(array
, (GCompareFunc
)qemu_pstrcmp0
);
2743 if (array
->len
> 0) {
2744 printf("%s options:\n", type
);
2746 printf("There are no options for %s.\n", type
);
2748 for (i
= 0; i
< array
->len
; i
++) {
2749 printf("%s\n", (char *)array
->pdata
[i
]);
2751 g_ptr_array_set_free_func(array
, g_free
);
2752 g_ptr_array_free(array
, true);
2757 * Objects should not be made "delayed" without a reason. If you
2758 * add one, state the reason in a comment!
2761 /* Reason: rng-egd property "chardev" */
2762 if (g_str_equal(type
, "rng-egd")) {
2766 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2767 /* Reason: cryptodev-vhost-user property "chardev" */
2768 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2774 * Reason: filter-* property "netdev" etc.
2776 if (g_str_equal(type
, "filter-buffer") ||
2777 g_str_equal(type
, "filter-dump") ||
2778 g_str_equal(type
, "filter-mirror") ||
2779 g_str_equal(type
, "filter-redirector") ||
2780 g_str_equal(type
, "colo-compare") ||
2781 g_str_equal(type
, "filter-rewriter") ||
2782 g_str_equal(type
, "filter-replay")) {
2786 /* Memory allocation by backends needs to be done
2787 * after configure_accelerator() (due to the tcg_enabled()
2788 * checks at memory_region_init_*()).
2790 * Also, allocation of large amounts of memory may delay
2791 * chardev initialization for too long, and trigger timeouts
2792 * on software that waits for a monitor socket to be created
2795 if (g_str_has_prefix(type
, "memory-backend-")) {
2804 * The remainder of object creation happens after the
2805 * creation of chardev, fsdev, net clients and device data types.
2807 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2809 return !object_create_initial(type
, opts
);
2813 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2817 const char *mem_str
;
2818 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2819 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2822 loc_push_none(&loc
);
2823 qemu_opts_loc_restore(opts
);
2826 mem_str
= qemu_opt_get(opts
, "size");
2829 error_report("missing 'size' option value");
2833 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2835 /* Fix up legacy suffix-less format */
2836 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2837 uint64_t overflow_check
= sz
;
2840 if (sz
/ MiB
!= overflow_check
) {
2841 error_report("too large 'size' option value");
2847 /* backward compatibility behaviour for case "-m 0" */
2849 sz
= default_ram_size
;
2852 sz
= QEMU_ALIGN_UP(sz
, 8192);
2854 if (ram_size
!= sz
) {
2855 error_report("ram size too large");
2859 /* store value for the future use */
2860 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2861 *maxram_size
= ram_size
;
2863 if (qemu_opt_get(opts
, "maxmem")) {
2866 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2867 slots
= qemu_opt_get_number(opts
, "slots", 0);
2868 if (sz
< ram_size
) {
2869 error_report("invalid value of -m option maxmem: "
2870 "maximum memory size (0x%" PRIx64
") must be at least "
2871 "the initial memory size (0x" RAM_ADDR_FMT
")",
2874 } else if (slots
&& sz
== ram_size
) {
2875 error_report("invalid value of -m option maxmem: "
2876 "memory slots were specified but maximum memory size "
2877 "(0x%" PRIx64
") is equal to the initial memory size "
2878 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2884 } else if (qemu_opt_get(opts
, "slots")) {
2885 error_report("invalid -m option value: missing 'maxmem' option");
2892 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2896 g
= g_malloc0(sizeof(*g
));
2897 g
->driver
= qemu_opt_get(opts
, "driver");
2898 g
->property
= qemu_opt_get(opts
, "property");
2899 g
->value
= qemu_opt_get(opts
, "value");
2900 qdev_prop_register_global(g
);
2904 static int qemu_read_default_config_file(void)
2908 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2909 if (ret
< 0 && ret
!= -ENOENT
) {
2916 static void user_register_global_props(void)
2918 qemu_opts_foreach(qemu_find_opts("global"),
2919 global_init_func
, NULL
, NULL
);
2922 int main(int argc
, char **argv
, char **envp
)
2925 int snapshot
, linux_boot
;
2926 const char *initrd_filename
;
2927 const char *kernel_filename
, *kernel_cmdline
;
2928 const char *boot_order
= NULL
;
2929 const char *boot_once
= NULL
;
2931 QemuOpts
*opts
, *machine_opts
;
2932 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2933 QemuOptsList
*olist
;
2936 const char *loadvm
= NULL
;
2937 MachineClass
*machine_class
;
2938 const char *cpu_option
;
2939 const char *vga_model
= NULL
;
2940 const char *qtest_chrdev
= NULL
;
2941 const char *qtest_log
= NULL
;
2942 const char *incoming
= NULL
;
2943 bool userconfig
= true;
2944 bool nographic
= false;
2945 int display_remote
= 0;
2946 const char *log_mask
= NULL
;
2947 const char *log_file
= NULL
;
2948 char *trace_file
= NULL
;
2949 ram_addr_t maxram_size
;
2950 uint64_t ram_slots
= 0;
2951 FILE *vmstate_dump_file
= NULL
;
2952 Error
*main_loop_err
= NULL
;
2954 bool list_data_dirs
= false;
2956 BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2958 error_init(argv
[0]);
2959 module_call_init(MODULE_INIT_TRACE
);
2961 qemu_init_cpu_list();
2962 qemu_init_cpu_loop();
2964 qemu_mutex_lock_iothread();
2966 atexit(qemu_run_exit_notifiers
);
2967 qemu_init_exec_dir(argv
[0]);
2969 module_call_init(MODULE_INIT_QOM
);
2971 qemu_add_opts(&qemu_drive_opts
);
2972 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2973 qemu_add_drive_opts(&qemu_common_drive_opts
);
2974 qemu_add_drive_opts(&qemu_drive_opts
);
2975 qemu_add_drive_opts(&bdrv_runtime_opts
);
2976 qemu_add_opts(&qemu_chardev_opts
);
2977 qemu_add_opts(&qemu_device_opts
);
2978 qemu_add_opts(&qemu_netdev_opts
);
2979 qemu_add_opts(&qemu_nic_opts
);
2980 qemu_add_opts(&qemu_net_opts
);
2981 qemu_add_opts(&qemu_rtc_opts
);
2982 qemu_add_opts(&qemu_global_opts
);
2983 qemu_add_opts(&qemu_mon_opts
);
2984 qemu_add_opts(&qemu_trace_opts
);
2985 qemu_add_opts(&qemu_option_rom_opts
);
2986 qemu_add_opts(&qemu_machine_opts
);
2987 qemu_add_opts(&qemu_accel_opts
);
2988 qemu_add_opts(&qemu_mem_opts
);
2989 qemu_add_opts(&qemu_smp_opts
);
2990 qemu_add_opts(&qemu_boot_opts
);
2991 qemu_add_opts(&qemu_add_fd_opts
);
2992 qemu_add_opts(&qemu_object_opts
);
2993 qemu_add_opts(&qemu_tpmdev_opts
);
2994 qemu_add_opts(&qemu_realtime_opts
);
2995 qemu_add_opts(&qemu_overcommit_opts
);
2996 qemu_add_opts(&qemu_msg_opts
);
2997 qemu_add_opts(&qemu_name_opts
);
2998 qemu_add_opts(&qemu_numa_opts
);
2999 qemu_add_opts(&qemu_icount_opts
);
3000 qemu_add_opts(&qemu_semihosting_config_opts
);
3001 qemu_add_opts(&qemu_fw_cfg_opts
);
3002 module_call_init(MODULE_INIT_OPTS
);
3005 precopy_infrastructure_init();
3006 postcopy_infrastructure_init();
3007 monitor_init_globals();
3009 if (qcrypto_init(&err
) < 0) {
3010 error_reportf_err(err
, "cannot initialize crypto: ");
3014 QLIST_INIT (&vm_change_state_head
);
3015 os_setup_early_signal_handling();
3022 bdrv_init_with_whitelist();
3026 /* first pass of option parsing */
3028 while (optind
< argc
) {
3029 if (argv
[optind
][0] != '-') {
3033 const QEMUOption
*popt
;
3035 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3036 switch (popt
->index
) {
3037 case QEMU_OPTION_nouserconfig
:
3045 if (qemu_read_default_config_file() < 0) {
3050 /* second pass of option parsing */
3055 if (argv
[optind
][0] != '-') {
3056 loc_set_cmdline(argv
, optind
, 1);
3057 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3059 const QEMUOption
*popt
;
3061 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3062 if (!(popt
->arch_mask
& arch_type
)) {
3063 error_report("Option not supported for this target");
3066 switch(popt
->index
) {
3067 case QEMU_OPTION_cpu
:
3068 /* hw initialization will check this */
3069 cpu_option
= optarg
;
3071 case QEMU_OPTION_hda
:
3072 case QEMU_OPTION_hdb
:
3073 case QEMU_OPTION_hdc
:
3074 case QEMU_OPTION_hdd
:
3075 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3078 case QEMU_OPTION_blockdev
:
3081 BlockdevOptionsQueueEntry
*bdo
;
3083 v
= qobject_input_visitor_new_str(optarg
, "driver",
3086 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
3087 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3090 loc_save(&bdo
->loc
);
3091 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3094 case QEMU_OPTION_drive
:
3095 if (drive_def(optarg
) == NULL
) {
3099 case QEMU_OPTION_set
:
3100 if (qemu_set_option(optarg
) != 0)
3103 case QEMU_OPTION_global
:
3104 if (qemu_global_option(optarg
) != 0)
3107 case QEMU_OPTION_mtdblock
:
3108 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3110 case QEMU_OPTION_sd
:
3111 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3113 case QEMU_OPTION_pflash
:
3114 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3116 case QEMU_OPTION_snapshot
:
3119 case QEMU_OPTION_numa
:
3120 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3126 case QEMU_OPTION_display
:
3127 parse_display(optarg
);
3129 case QEMU_OPTION_nographic
:
3130 olist
= qemu_find_opts("machine");
3131 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3133 dpy
.type
= DISPLAY_TYPE_NONE
;
3135 case QEMU_OPTION_curses
:
3136 #ifdef CONFIG_CURSES
3137 dpy
.type
= DISPLAY_TYPE_CURSES
;
3139 error_report("curses or iconv support is disabled");
3143 case QEMU_OPTION_portrait
:
3144 graphic_rotate
= 90;
3146 case QEMU_OPTION_rotate
:
3147 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3148 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3149 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3150 error_report("only 90, 180, 270 deg rotation is available");
3154 case QEMU_OPTION_kernel
:
3155 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3158 case QEMU_OPTION_initrd
:
3159 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3162 case QEMU_OPTION_append
:
3163 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3166 case QEMU_OPTION_dtb
:
3167 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3170 case QEMU_OPTION_cdrom
:
3171 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3173 case QEMU_OPTION_boot
:
3174 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3180 case QEMU_OPTION_fda
:
3181 case QEMU_OPTION_fdb
:
3182 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3185 case QEMU_OPTION_no_fd_bootchk
:
3188 case QEMU_OPTION_netdev
:
3190 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3194 case QEMU_OPTION_nic
:
3196 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3200 case QEMU_OPTION_net
:
3202 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3206 #ifdef CONFIG_LIBISCSI
3207 case QEMU_OPTION_iscsi
:
3208 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3215 case QEMU_OPTION_bt
:
3216 warn_report("The bluetooth subsystem is deprecated and will "
3217 "be removed soon. If the bluetooth subsystem is "
3218 "still useful for you, please send a mail to "
3219 "qemu-devel@nongnu.org with your usecase.");
3220 add_device_config(DEV_BT
, optarg
);
3222 case QEMU_OPTION_audio_help
:
3223 audio_legacy_help();
3226 case QEMU_OPTION_audiodev
:
3227 audio_parse_option(optarg
);
3229 case QEMU_OPTION_soundhw
:
3230 select_soundhw (optarg
);
3235 case QEMU_OPTION_version
:
3240 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3247 case QEMU_OPTION_tpmdev
:
3248 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3253 case QEMU_OPTION_mempath
:
3256 case QEMU_OPTION_mem_prealloc
:
3265 case QEMU_OPTION_DFILTER
:
3266 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3268 case QEMU_OPTION_seed
:
3269 qemu_guest_random_seed_main(optarg
, &error_fatal
);
3272 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3274 case QEMU_OPTION_gdb
:
3275 add_device_config(DEV_GDB
, optarg
);
3278 if (is_help_option(optarg
)) {
3279 list_data_dirs
= true;
3281 qemu_add_data_dir(optarg
);
3284 case QEMU_OPTION_bios
:
3285 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3288 case QEMU_OPTION_singlestep
:
3295 keyboard_layout
= optarg
;
3297 case QEMU_OPTION_vga
:
3306 w
= strtol(p
, (char **)&p
, 10);
3309 error_report("invalid resolution or depth");
3315 h
= strtol(p
, (char **)&p
, 10);
3320 depth
= strtol(p
, (char **)&p
, 10);
3321 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3322 depth
!= 24 && depth
!= 32)
3324 } else if (*p
== '\0') {
3325 depth
= graphic_depth
;
3332 graphic_depth
= depth
;
3335 case QEMU_OPTION_echr
:
3338 term_escape_char
= strtol(optarg
, &r
, 0);
3340 printf("Bad argument to echr\n");
3343 case QEMU_OPTION_monitor
:
3344 default_monitor
= 0;
3345 if (strncmp(optarg
, "none", 4)) {
3346 monitor_parse(optarg
, "readline", false);
3349 case QEMU_OPTION_qmp
:
3350 monitor_parse(optarg
, "control", false);
3351 default_monitor
= 0;
3353 case QEMU_OPTION_qmp_pretty
:
3354 monitor_parse(optarg
, "control", true);
3355 default_monitor
= 0;
3357 case QEMU_OPTION_mon
:
3358 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3363 default_monitor
= 0;
3365 case QEMU_OPTION_chardev
:
3366 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3372 case QEMU_OPTION_fsdev
:
3373 olist
= qemu_find_opts("fsdev");
3375 error_report("fsdev support is disabled");
3378 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3383 case QEMU_OPTION_virtfs
: {
3386 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3388 olist
= qemu_find_opts("virtfs");
3390 error_report("virtfs support is disabled");
3393 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3398 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3399 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3400 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3403 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3404 qemu_opts_id(opts
) ?:
3405 qemu_opt_get(opts
, "mount_tag"),
3408 error_report("duplicate or invalid fsdev id: %s",
3409 qemu_opt_get(opts
, "mount_tag"));
3413 writeout
= qemu_opt_get(opts
, "writeout");
3415 #ifdef CONFIG_SYNC_FILE_RANGE
3416 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3418 error_report("writeout=immediate not supported "
3419 "on this platform");
3423 qemu_opt_set(fsdev
, "fsdriver",
3424 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3425 path
= qemu_opt_get(opts
, "path");
3427 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3429 security_model
= qemu_opt_get(opts
, "security_model");
3430 if (security_model
) {
3431 qemu_opt_set(fsdev
, "security_model", security_model
,
3434 socket
= qemu_opt_get(opts
, "socket");
3436 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3438 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3440 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3443 qemu_opt_set_bool(fsdev
, "readonly",
3444 qemu_opt_get_bool(opts
, "readonly", 0),
3446 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3448 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3449 qemu_opt_set(device
, "fsdev",
3450 qemu_opts_id(fsdev
), &error_abort
);
3451 qemu_opt_set(device
, "mount_tag",
3452 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3455 case QEMU_OPTION_virtfs_synth
: {
3459 warn_report("'-virtfs_synth' is deprecated, please use "
3460 "'-fsdev synth' and '-device virtio-9p-...' "
3463 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3466 error_report("duplicate option: %s", "virtfs_synth");
3469 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3471 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3473 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3474 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3475 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3478 case QEMU_OPTION_serial
:
3479 add_device_config(DEV_SERIAL
, optarg
);
3481 if (strncmp(optarg
, "mon:", 4) == 0) {
3482 default_monitor
= 0;
3485 case QEMU_OPTION_watchdog
:
3487 error_report("only one watchdog option may be given");
3492 case QEMU_OPTION_watchdog_action
:
3493 if (select_watchdog_action(optarg
) == -1) {
3494 error_report("unknown -watchdog-action parameter");
3498 case QEMU_OPTION_parallel
:
3499 add_device_config(DEV_PARALLEL
, optarg
);
3500 default_parallel
= 0;
3501 if (strncmp(optarg
, "mon:", 4) == 0) {
3502 default_monitor
= 0;
3505 case QEMU_OPTION_debugcon
:
3506 add_device_config(DEV_DEBUGCON
, optarg
);
3508 case QEMU_OPTION_loadvm
:
3511 case QEMU_OPTION_full_screen
:
3512 dpy
.has_full_screen
= true;
3513 dpy
.full_screen
= true;
3515 case QEMU_OPTION_alt_grab
:
3518 case QEMU_OPTION_ctrl_grab
:
3521 case QEMU_OPTION_no_quit
:
3522 dpy
.has_window_close
= true;
3523 dpy
.window_close
= false;
3525 case QEMU_OPTION_sdl
:
3527 dpy
.type
= DISPLAY_TYPE_SDL
;
3530 error_report("SDL support is disabled");
3533 case QEMU_OPTION_pidfile
:
3536 case QEMU_OPTION_win2k_hack
:
3537 win2k_install_hack
= 1;
3539 case QEMU_OPTION_acpitable
:
3540 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3545 acpi_table_add(opts
, &error_fatal
);
3547 case QEMU_OPTION_smbios
:
3548 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3553 smbios_entry_add(opts
, &error_fatal
);
3555 case QEMU_OPTION_fwcfg
:
3556 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3562 case QEMU_OPTION_preconfig
:
3563 preconfig_exit_requested
= false;
3565 case QEMU_OPTION_enable_kvm
:
3566 olist
= qemu_find_opts("machine");
3567 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3570 case QEMU_OPTION_machine
:
3571 olist
= qemu_find_opts("machine");
3572 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3577 case QEMU_OPTION_no_kvm
:
3578 olist
= qemu_find_opts("machine");
3579 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3581 case QEMU_OPTION_accel
:
3582 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3584 optarg
= qemu_opt_get(accel_opts
, "accel");
3585 if (!optarg
|| is_help_option(optarg
)) {
3586 printf("Accelerators supported in QEMU binary:\n");
3587 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3589 for (el
= accel_list
; el
; el
= el
->next
) {
3590 gchar
*typename
= g_strdup(object_class_get_name(
3591 OBJECT_CLASS(el
->data
)));
3592 /* omit qtest which is used for tests only */
3593 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3594 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3595 gchar
**optname
= g_strsplit(typename
,
3596 ACCEL_CLASS_SUFFIX
, 0);
3597 printf("%s\n", optname
[0]);
3602 g_slist_free(accel_list
);
3605 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3606 false, &error_abort
);
3607 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3609 case QEMU_OPTION_usb
:
3610 olist
= qemu_find_opts("machine");
3611 qemu_opts_parse_noisily(olist
, "usb=on", false);
3613 case QEMU_OPTION_usbdevice
:
3614 error_report("'-usbdevice' is deprecated, please use "
3615 "'-device usb-...' instead");
3616 olist
= qemu_find_opts("machine");
3617 qemu_opts_parse_noisily(olist
, "usb=on", false);
3618 add_device_config(DEV_USB
, optarg
);
3620 case QEMU_OPTION_device
:
3621 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3626 case QEMU_OPTION_smp
:
3627 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3632 case QEMU_OPTION_vnc
:
3633 vnc_parse(optarg
, &error_fatal
);
3635 case QEMU_OPTION_no_acpi
:
3638 case QEMU_OPTION_no_hpet
:
3641 case QEMU_OPTION_no_reboot
:
3644 case QEMU_OPTION_no_shutdown
:
3647 case QEMU_OPTION_show_cursor
:
3650 case QEMU_OPTION_uuid
:
3651 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3652 error_report("failed to parse UUID string: wrong format");
3655 qemu_uuid_set
= true;
3657 case QEMU_OPTION_option_rom
:
3658 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3659 error_report("too many option ROMs");
3662 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3667 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3668 option_rom
[nb_option_roms
].bootindex
=
3669 qemu_opt_get_number(opts
, "bootindex", -1);
3670 if (!option_rom
[nb_option_roms
].name
) {
3671 error_report("Option ROM file is not specified");
3676 case QEMU_OPTION_semihosting
:
3677 qemu_semihosting_enable();
3679 case QEMU_OPTION_semihosting_config
:
3680 if (qemu_semihosting_config_options(optarg
) != 0) {
3684 case QEMU_OPTION_name
:
3685 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3691 case QEMU_OPTION_prom_env
:
3692 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3693 error_report("too many prom variables");
3696 prom_envs
[nb_prom_envs
] = optarg
;
3699 case QEMU_OPTION_old_param
:
3702 case QEMU_OPTION_rtc
:
3703 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3709 case QEMU_OPTION_tb_size
:
3711 error_report("TCG is disabled");
3714 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3715 error_report("Invalid argument to -tb-size");
3719 case QEMU_OPTION_icount
:
3720 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3726 case QEMU_OPTION_incoming
:
3728 runstate_set(RUN_STATE_INMIGRATE
);
3732 case QEMU_OPTION_only_migratable
:
3733 only_migratable
= 1;
3735 case QEMU_OPTION_nodefaults
:
3738 case QEMU_OPTION_xen_domid
:
3739 if (!(xen_available())) {
3740 error_report("Option not supported for this target");
3743 xen_domid
= atoi(optarg
);
3745 case QEMU_OPTION_xen_attach
:
3746 if (!(xen_available())) {
3747 error_report("Option not supported for this target");
3750 xen_mode
= XEN_ATTACH
;
3752 case QEMU_OPTION_xen_domid_restrict
:
3753 if (!(xen_available())) {
3754 error_report("Option not supported for this target");
3757 xen_domid_restrict
= true;
3759 case QEMU_OPTION_trace
:
3761 trace_file
= trace_opt_parse(optarg
);
3763 case QEMU_OPTION_readconfig
:
3765 int ret
= qemu_read_config_file(optarg
);
3767 error_report("read config %s: %s", optarg
,
3773 case QEMU_OPTION_spice
:
3774 olist
= qemu_find_opts("spice");
3776 error_report("spice support is disabled");
3779 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3785 case QEMU_OPTION_writeconfig
:
3788 if (strcmp(optarg
, "-") == 0) {
3791 fp
= fopen(optarg
, "w");
3793 error_report("open %s: %s", optarg
,
3798 qemu_config_write(fp
);
3804 case QEMU_OPTION_qtest
:
3805 qtest_chrdev
= optarg
;
3807 case QEMU_OPTION_qtest_log
:
3810 case QEMU_OPTION_sandbox
:
3811 olist
= qemu_find_opts("sandbox");
3813 #ifndef CONFIG_SECCOMP
3814 error_report("-sandbox support is not enabled "
3815 "in this QEMU binary");
3820 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3825 case QEMU_OPTION_add_fd
:
3827 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3833 error_report("File descriptor passing is disabled on this "
3838 case QEMU_OPTION_object
:
3839 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3845 case QEMU_OPTION_realtime
:
3846 warn_report("'-realtime mlock=...' is deprecated, please use "
3847 "'-overcommit mem-lock=...' instead");
3848 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3853 /* Don't override the -overcommit option if set */
3854 enable_mlock
= enable_mlock
||
3855 qemu_opt_get_bool(opts
, "mlock", true);
3857 case QEMU_OPTION_overcommit
:
3858 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3863 /* Don't override the -realtime option if set */
3864 enable_mlock
= enable_mlock
||
3865 qemu_opt_get_bool(opts
, "mem-lock", false);
3866 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3868 case QEMU_OPTION_msg
:
3869 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3874 configure_msg(opts
);
3876 case QEMU_OPTION_dump_vmstate
:
3877 if (vmstate_dump_file
) {
3878 error_report("only one '-dump-vmstate' "
3879 "option may be given");
3882 vmstate_dump_file
= fopen(optarg
, "w");
3883 if (vmstate_dump_file
== NULL
) {
3884 error_report("open %s: %s", optarg
, strerror(errno
));
3888 case QEMU_OPTION_enable_sync_profile
:
3891 case QEMU_OPTION_nouserconfig
:
3892 /* Nothing to be parsed here. Especially, do not error out below. */
3895 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3896 error_report("Option not supported in this build");
3903 * Clear error location left behind by the loop.
3904 * Best done right after the loop. Do not insert code here!
3908 user_register_global_props();
3910 replay_configure(icount_opts
);
3912 if (incoming
&& !preconfig_exit_requested
) {
3913 error_report("'preconfig' and 'incoming' options are "
3914 "mutually exclusive");
3918 configure_rtc(qemu_find_opts_singleton("rtc"));
3920 machine_class
= select_machine();
3921 object_set_machine_compat_props(machine_class
->compat_props
);
3923 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3926 rcu_disable_atfork();
3928 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3929 error_reportf_err(err
, "cannot create PID file: ");
3933 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3934 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3936 if (qemu_init_main_loop(&main_loop_err
)) {
3937 error_report_err(main_loop_err
);
3941 #ifdef CONFIG_SECCOMP
3942 olist
= qemu_find_opts_err("sandbox", NULL
);
3944 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3948 qemu_opts_foreach(qemu_find_opts("name"),
3949 parse_name
, NULL
, &error_fatal
);
3952 qemu_opts_foreach(qemu_find_opts("add-fd"),
3953 parse_add_fd
, NULL
, &error_fatal
);
3955 qemu_opts_foreach(qemu_find_opts("add-fd"),
3956 cleanup_add_fd
, NULL
, &error_fatal
);
3959 current_machine
= MACHINE(object_new(object_class_get_name(
3960 OBJECT_CLASS(machine_class
))));
3961 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3964 object_property_add_child(object_get_root(), "machine",
3965 OBJECT(current_machine
), &error_abort
);
3966 object_property_add_child(container_get(OBJECT(current_machine
),
3968 "sysbus", OBJECT(sysbus_get_default()),
3971 if (machine_class
->minimum_page_bits
) {
3972 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3973 /* This would be a board error: specifying a minimum smaller than
3974 * a target's compile-time fixed setting.
3976 g_assert_not_reached();
3980 cpu_exec_init_all();
3982 if (machine_class
->hw_version
) {
3983 qemu_set_hw_version(machine_class
->hw_version
);
3986 if (cpu_option
&& is_help_option(cpu_option
)) {
3987 list_cpus(cpu_option
);
3991 if (!trace_init_backends()) {
3994 trace_init_file(trace_file
);
3996 /* Open the logfile at this point and set the log mask if necessary.
3999 qemu_set_log_filename(log_file
, &error_fatal
);
4004 mask
= qemu_str_to_log_mask(log_mask
);
4006 qemu_print_log_usage(stdout
);
4014 /* add configured firmware directories */
4015 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4016 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4017 qemu_add_data_dir(dirs
[i
]);
4021 /* try to find datadir relative to the executable path */
4022 dir
= os_find_datadir();
4023 qemu_add_data_dir(dir
);
4026 /* add the datadir specified when building */
4027 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4029 /* -L help lists the data directories and exits. */
4030 if (list_data_dirs
) {
4031 for (i
= 0; i
< data_dir_idx
; i
++) {
4032 printf("%s\n", data_dir
[i
]);
4037 /* machine_class: default to UP */
4038 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4039 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4040 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4042 /* default to machine_class->default_cpus */
4043 smp_cpus
= machine_class
->default_cpus
;
4044 max_cpus
= machine_class
->default_cpus
;
4046 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4048 /* sanity-check smp_cpus and max_cpus against machine_class */
4049 if (smp_cpus
< machine_class
->min_cpus
) {
4050 error_report("Invalid SMP CPUs %d. The min CPUs "
4051 "supported by machine '%s' is %d", smp_cpus
,
4052 machine_class
->name
, machine_class
->min_cpus
);
4055 if (max_cpus
> machine_class
->max_cpus
) {
4056 error_report("Invalid SMP CPUs %d. The max CPUs "
4057 "supported by machine '%s' is %d", max_cpus
,
4058 machine_class
->name
, machine_class
->max_cpus
);
4063 * Get the default machine options from the machine if it is not already
4064 * specified either by the configuration file or by the command line.
4066 if (machine_class
->default_machine_opts
) {
4067 qemu_opts_set_defaults(qemu_find_opts("machine"),
4068 machine_class
->default_machine_opts
, 0);
4071 qemu_opts_foreach(qemu_find_opts("device"),
4072 default_driver_check
, NULL
, NULL
);
4073 qemu_opts_foreach(qemu_find_opts("global"),
4074 default_driver_check
, NULL
, NULL
);
4076 if (!vga_model
&& !default_vga
) {
4077 vga_interface_type
= VGA_DEVICE
;
4079 if (!has_defaults
|| machine_class
->no_serial
) {
4082 if (!has_defaults
|| machine_class
->no_parallel
) {
4083 default_parallel
= 0;
4085 if (!has_defaults
|| machine_class
->no_floppy
) {
4088 if (!has_defaults
|| machine_class
->no_cdrom
) {
4091 if (!has_defaults
|| machine_class
->no_sdcard
) {
4094 if (!has_defaults
) {
4095 default_monitor
= 0;
4100 if (is_daemonized()) {
4101 if (!preconfig_exit_requested
) {
4102 error_report("'preconfig' and 'daemonize' options are "
4103 "mutually exclusive");
4107 /* According to documentation and historically, -nographic redirects
4108 * serial port, parallel port and monitor to stdio, which does not work
4109 * with -daemonize. We can redirect these to null instead, but since
4110 * -nographic is legacy, let's just error out.
4111 * We disallow -nographic only if all other ports are not redirected
4112 * explicitly, to not break existing legacy setups which uses
4113 * -nographic _and_ redirects all ports explicitly - this is valid
4114 * usage, -nographic is just a no-op in this case.
4117 && (default_parallel
|| default_serial
|| default_monitor
)) {
4118 error_report("-nographic cannot be used with -daemonize");
4121 #ifdef CONFIG_CURSES
4122 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4123 error_report("curses display cannot be used with -daemonize");
4130 if (default_parallel
)
4131 add_device_config(DEV_PARALLEL
, "null");
4132 if (default_serial
&& default_monitor
) {
4133 add_device_config(DEV_SERIAL
, "mon:stdio");
4136 add_device_config(DEV_SERIAL
, "stdio");
4137 if (default_monitor
)
4138 monitor_parse("stdio", "readline", false);
4142 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4143 if (default_parallel
)
4144 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4145 if (default_monitor
)
4146 monitor_parse("vc:80Cx24C", "readline", false);
4149 #if defined(CONFIG_VNC)
4150 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4154 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4155 if (!qemu_display_find_default(&dpy
)) {
4156 dpy
.type
= DISPLAY_TYPE_NONE
;
4157 #if defined(CONFIG_VNC)
4158 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4162 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4163 dpy
.type
= DISPLAY_TYPE_NONE
;
4166 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4167 error_report("-alt-grab and -ctrl-grab are only valid "
4168 "for SDL, ignoring option");
4170 if (dpy
.has_window_close
&&
4171 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4172 error_report("-no-quit is only valid for GTK and SDL, "
4176 qemu_display_early_init(&dpy
);
4177 qemu_console_early_init();
4179 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4180 #if defined(CONFIG_OPENGL)
4181 error_report("OpenGL is not supported by the display");
4183 error_report("OpenGL support is disabled");
4191 qemu_opts_foreach(qemu_find_opts("object"),
4192 user_creatable_add_opts_foreach
,
4193 object_create_initial
, &error_fatal
);
4195 qemu_opts_foreach(qemu_find_opts("chardev"),
4196 chardev_init_func
, NULL
, &error_fatal
);
4197 /* now chardevs have been created we may have semihosting to connect */
4198 qemu_semihosting_connect_chardevs();
4200 #ifdef CONFIG_VIRTFS
4201 qemu_opts_foreach(qemu_find_opts("fsdev"),
4202 fsdev_init_func
, NULL
, &error_fatal
);
4205 if (qemu_opts_foreach(qemu_find_opts("device"),
4206 device_help_func
, NULL
, NULL
)) {
4211 * Note: we need to create block backends before
4212 * machine_set_property(), so machine properties can refer to
4215 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
4217 machine_opts
= qemu_get_machine_opts();
4218 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4220 current_machine
->ram_size
= ram_size
;
4221 current_machine
->maxram_size
= maxram_size
;
4222 current_machine
->ram_slots
= ram_slots
;
4225 * Note: uses machine properties such as kernel-irqchip, must run
4226 * after machine_set_property().
4228 configure_accelerator(current_machine
, argv
[0]);
4231 * Beware, QOM objects created before this point miss global and
4232 * compat properties.
4234 * Global properties get set up by qdev_prop_register_global(),
4235 * called from user_register_global_props(), and certain option
4236 * desugaring. Also in CPU feature desugaring (buried in
4237 * parse_cpu_option()), which happens below this point, but may
4238 * only target the CPU type, which can only be created after
4239 * parse_cpu_option() returned the type.
4241 * Machine compat properties: object_set_machine_compat_props().
4242 * Accelerator compat props: object_set_accelerator_compat_props(),
4243 * called from configure_accelerator().
4246 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4247 error_report("Machine type '%s' is deprecated: %s",
4248 machine_class
->name
, machine_class
->deprecation_reason
);
4252 * Note: creates a QOM object, must run only after global and
4253 * compat properties have been set up.
4255 migration_object_init();
4258 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4261 machine_opts
= qemu_get_machine_opts();
4262 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4263 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4264 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4265 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4267 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4269 boot_order
= qemu_opt_get(opts
, "order");
4271 validate_bootdevices(boot_order
, &error_fatal
);
4274 boot_once
= qemu_opt_get(opts
, "once");
4276 validate_bootdevices(boot_once
, &error_fatal
);
4279 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4280 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4284 boot_order
= machine_class
->default_boot_order
;
4287 if (!kernel_cmdline
) {
4288 kernel_cmdline
= "";
4289 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4292 linux_boot
= (kernel_filename
!= NULL
);
4294 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4295 error_report("-append only allowed with -kernel option");
4299 if (!linux_boot
&& initrd_filename
!= NULL
) {
4300 error_report("-initrd only allowed with -kernel option");
4304 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4305 /* fall back to the -kernel/-append */
4306 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4309 os_set_line_buffering();
4311 /* spice needs the timers to be initialized by this point */
4316 if (!tcg_enabled()) {
4317 error_report("-icount is not allowed with hardware virtualization");
4320 configure_icount(icount_opts
, &error_abort
);
4321 qemu_opts_del(icount_opts
);
4324 if (tcg_enabled()) {
4325 qemu_tcg_configure(accel_opts
, &error_fatal
);
4329 QemuOptsList
*net
= qemu_find_opts("net");
4330 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4332 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4336 if (net_init_clients(&err
) < 0) {
4337 error_report_err(err
);
4341 qemu_opts_foreach(qemu_find_opts("object"),
4342 user_creatable_add_opts_foreach
,
4343 object_create_delayed
, &error_fatal
);
4347 /* init the bluetooth world */
4348 if (foreach_device_config(DEV_BT
, bt_parse
))
4351 if (!xen_enabled()) {
4352 /* On 32-bit hosts, QEMU is limited by virtual address space */
4353 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4354 error_report("at most 2047 MB RAM can be simulated");
4361 dirty_bitmap_mig_init();
4363 qemu_opts_foreach(qemu_find_opts("mon"),
4364 mon_init_func
, NULL
, &error_fatal
);
4366 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4368 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4370 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4373 /* If no default VGA is requested, the default is "none". */
4375 vga_model
= get_default_vga_model(machine_class
);
4378 select_vgahw(machine_class
, vga_model
);
4382 i
= select_watchdog(watchdog
);
4384 exit (i
== 1 ? 1 : 0);
4387 /* This checkpoint is required by replay to separate prior clock
4388 reading from the other reads, because timer polling functions query
4389 clock values from the log. */
4390 replay_checkpoint(CHECKPOINT_INIT
);
4391 qdev_machine_init();
4393 current_machine
->boot_order
= boot_order
;
4395 /* parse features once if machine provides default cpu_type */
4396 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4398 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
4400 parse_numa_opts(current_machine
);
4402 /* do monitor/qmp handling at preconfig state if requested */
4405 audio_init_audiodevs();
4407 /* from here on runstate is RUN_STATE_PRELAUNCH */
4408 machine_run_board_init(current_machine
);
4414 if (hax_enabled()) {
4418 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4419 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4421 /* init USB devices */
4422 if (machine_usb(current_machine
)) {
4423 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4427 /* Check if IGD GFX passthrough. */
4430 /* init generic devices */
4431 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4432 qemu_opts_foreach(qemu_find_opts("device"),
4433 device_init_func
, NULL
, &error_fatal
);
4435 cpu_synchronize_all_post_init();
4437 rom_reset_order_override();
4439 /* Did we create any drives that we failed to create a device for? */
4440 drive_check_orphaned();
4442 /* Don't warn about the default network setup that you get if
4443 * no command line -net or -netdev options are specified. There
4444 * are two cases that we would otherwise complain about:
4445 * (1) board doesn't support a NIC but the implicit "-net nic"
4447 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4448 * sets up a nic that isn't connected to anything.
4450 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4451 net_check_clients();
4455 qemu_boot_set(boot_once
, &error_fatal
);
4456 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4459 /* init local displays */
4460 ds
= init_displaystate();
4461 qemu_display_init(ds
, &dpy
);
4463 /* must be after terminal init, SDL library changes signal handlers */
4464 os_setup_signal_handling();
4466 /* init remote displays */
4468 qemu_opts_foreach(qemu_find_opts("vnc"),
4469 vnc_init_func
, NULL
, &error_fatal
);
4473 qemu_spice_display_init();
4476 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4480 qdev_machine_creation_done();
4482 /* TODO: once all bus devices are qdevified, this should be done
4483 * when bus is created by qdev.c */
4484 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4485 qemu_run_machine_init_done_notifiers();
4487 if (rom_check_and_register_reset() != 0) {
4488 error_report("rom check and register reset failed");
4494 /* This checkpoint is required by replay to separate prior clock
4495 reading from the other reads, because timer polling functions query
4496 clock values from the log. */
4497 replay_checkpoint(CHECKPOINT_RESET
);
4498 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4499 register_global_state();
4501 Error
*local_err
= NULL
;
4502 if (load_snapshot(loadvm
, &local_err
) < 0) {
4503 error_report_err(local_err
);
4508 if (replay_mode
!= REPLAY_MODE_NONE
) {
4509 replay_vmstate_init();
4512 qdev_prop_check_globals();
4513 if (vmstate_dump_file
) {
4515 dump_vmstate_json_to_file(vmstate_dump_file
);
4520 Error
*local_err
= NULL
;
4521 qemu_start_incoming_migration(incoming
, &local_err
);
4523 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4526 } else if (autostart
) {
4530 accel_setup_post(current_machine
);
4535 gdbserver_cleanup();
4538 * cleaning up the migration object cancels any existing migration
4539 * try to do this early so that it also stops using devices.
4541 migration_shutdown();
4543 /* No more vcpu or device emulation activity beyond this point */
4546 job_cancel_sync_all();
4551 /* vhost-user must be cleaned up before chardevs. */
4557 user_creatable_cleanup();
4558 /* TODO: unref root container, check all devices are ok */