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/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
37 int qemu_main(int argc
, char **argv
, char **envp
);
38 int main(int argc
, char **argv
)
40 return qemu_main(argc
, argv
, NULL
);
43 #define main qemu_main
45 #endif /* CONFIG_SDL */
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
103 #include "fsdev/qemu-fsdev.h"
105 #include "sysemu/qtest.h"
107 #include "disas/disas.h"
110 #include "slirp/libslirp.h"
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
134 #define MAX_VIRTIO_CONSOLES 1
136 static const char *data_dir
[16];
137 static int data_dir_idx
;
138 const char *bios_name
= NULL
;
139 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
141 const char* keyboard_layout
= NULL
;
143 const char *mem_path
= NULL
;
144 int mem_prealloc
= 0; /* force preallocation of physical target memory */
145 bool enable_mlock
= false;
146 bool enable_cpu_pm
= false;
148 NICInfo nd_table
[MAX_NICS
];
150 static int rtc_utc
= 1;
151 static int rtc_date_offset
= -1; /* -1 means no change */
152 QEMUClockType rtc_clock
;
153 int vga_interface_type
= VGA_NONE
;
154 static DisplayOptions dpy
;
156 static int num_serial_hds
;
157 static Chardev
**serial_hds
;
158 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
159 Chardev
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
160 int win2k_install_hack
= 0;
163 unsigned int max_cpus
;
166 int acpi_enabled
= 1;
169 static int no_reboot
;
172 int graphic_rotate
= 0;
173 const char *watchdog
;
174 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
177 const char *qemu_name
;
180 unsigned int nb_prom_envs
= 0;
181 const char *prom_envs
[MAX_PROM_ENVS
];
184 uint8_t *boot_splash_filedata
;
185 size_t boot_splash_filedata_size
;
186 uint8_t qemu_extra_params_fw
[2];
188 int icount_align_option
;
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 static NotifierList exit_notifiers
=
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
199 static NotifierList machine_init_done_notifiers
=
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
204 enum xen_mode xen_mode
= XEN_EMULATE
;
205 bool xen_domid_restrict
;
207 static int has_defaults
= 1;
208 static int default_serial
= 1;
209 static int default_parallel
= 1;
210 static int default_virtcon
= 1;
211 static int default_monitor
= 1;
212 static int default_floppy
= 1;
213 static int default_cdrom
= 1;
214 static int default_sdcard
= 1;
215 static int default_vga
= 1;
216 static int default_net
= 1;
222 { .driver
= "isa-serial", .flag
= &default_serial
},
223 { .driver
= "isa-parallel", .flag
= &default_parallel
},
224 { .driver
= "isa-fdc", .flag
= &default_floppy
},
225 { .driver
= "floppy", .flag
= &default_floppy
},
226 { .driver
= "ide-cd", .flag
= &default_cdrom
},
227 { .driver
= "ide-hd", .flag
= &default_cdrom
},
228 { .driver
= "ide-drive", .flag
= &default_cdrom
},
229 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
230 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
231 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
232 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
233 { .driver
= "VGA", .flag
= &default_vga
},
234 { .driver
= "isa-vga", .flag
= &default_vga
},
235 { .driver
= "cirrus-vga", .flag
= &default_vga
},
236 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
237 { .driver
= "vmware-svga", .flag
= &default_vga
},
238 { .driver
= "qxl-vga", .flag
= &default_vga
},
239 { .driver
= "virtio-vga", .flag
= &default_vga
},
242 static QemuOptsList qemu_rtc_opts
= {
244 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
248 .type
= QEMU_OPT_STRING
,
251 .type
= QEMU_OPT_STRING
,
254 .type
= QEMU_OPT_STRING
,
256 { /* end of list */ }
260 static QemuOptsList qemu_option_rom_opts
= {
261 .name
= "option-rom",
262 .implied_opt_name
= "romfile",
263 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
267 .type
= QEMU_OPT_NUMBER
,
270 .type
= QEMU_OPT_STRING
,
272 { /* end of list */ }
276 static QemuOptsList qemu_machine_opts
= {
278 .implied_opt_name
= "type",
280 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
291 static QemuOptsList qemu_accel_opts
= {
293 .implied_opt_name
= "accel",
294 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
299 .type
= QEMU_OPT_STRING
,
300 .help
= "Select the type of accelerator",
304 .type
= QEMU_OPT_STRING
,
305 .help
= "Enable/disable multi-threaded TCG",
307 { /* end of list */ }
311 static QemuOptsList qemu_boot_opts
= {
313 .implied_opt_name
= "order",
315 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
319 .type
= QEMU_OPT_STRING
,
322 .type
= QEMU_OPT_STRING
,
325 .type
= QEMU_OPT_BOOL
,
328 .type
= QEMU_OPT_STRING
,
330 .name
= "splash-time",
331 .type
= QEMU_OPT_STRING
,
333 .name
= "reboot-timeout",
334 .type
= QEMU_OPT_STRING
,
337 .type
= QEMU_OPT_BOOL
,
343 static QemuOptsList qemu_add_fd_opts
= {
345 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
349 .type
= QEMU_OPT_NUMBER
,
350 .help
= "file descriptor of which a duplicate is added to fd set",
353 .type
= QEMU_OPT_NUMBER
,
354 .help
= "ID of the fd set to add fd to",
357 .type
= QEMU_OPT_STRING
,
358 .help
= "free-form string used to describe fd",
360 { /* end of list */ }
364 static QemuOptsList qemu_object_opts
= {
366 .implied_opt_name
= "qom-type",
367 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
373 static QemuOptsList qemu_tpmdev_opts
= {
375 .implied_opt_name
= "type",
376 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
383 static QemuOptsList qemu_realtime_opts
= {
385 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
389 .type
= QEMU_OPT_BOOL
,
391 { /* end of list */ }
395 static QemuOptsList qemu_overcommit_opts
= {
396 .name
= "overcommit",
397 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
401 .type
= QEMU_OPT_BOOL
,
405 .type
= QEMU_OPT_BOOL
,
407 { /* end of list */ }
411 static QemuOptsList qemu_msg_opts
= {
413 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
417 .type
= QEMU_OPT_BOOL
,
419 { /* end of list */ }
423 static QemuOptsList qemu_name_opts
= {
425 .implied_opt_name
= "guest",
427 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
431 .type
= QEMU_OPT_STRING
,
432 .help
= "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
437 .type
= QEMU_OPT_STRING
,
438 .help
= "Sets the name of the QEMU process, as shown in top etc",
440 .name
= "debug-threads",
441 .type
= QEMU_OPT_BOOL
,
442 .help
= "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
446 { /* End of list */ }
450 static QemuOptsList qemu_mem_opts
= {
452 .implied_opt_name
= "size",
453 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
458 .type
= QEMU_OPT_SIZE
,
462 .type
= QEMU_OPT_NUMBER
,
466 .type
= QEMU_OPT_SIZE
,
468 { /* end of list */ }
472 static QemuOptsList qemu_icount_opts
= {
474 .implied_opt_name
= "shift",
476 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
480 .type
= QEMU_OPT_STRING
,
483 .type
= QEMU_OPT_BOOL
,
486 .type
= QEMU_OPT_BOOL
,
489 .type
= QEMU_OPT_STRING
,
492 .type
= QEMU_OPT_STRING
,
494 .name
= "rrsnapshot",
495 .type
= QEMU_OPT_STRING
,
497 { /* end of list */ }
501 static QemuOptsList qemu_semihosting_config_opts
= {
502 .name
= "semihosting-config",
503 .implied_opt_name
= "enable",
504 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
508 .type
= QEMU_OPT_BOOL
,
511 .type
= QEMU_OPT_STRING
,
514 .type
= QEMU_OPT_STRING
,
516 { /* end of list */ }
520 static QemuOptsList qemu_fw_cfg_opts
= {
522 .implied_opt_name
= "name",
523 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
527 .type
= QEMU_OPT_STRING
,
528 .help
= "Sets the fw_cfg name of the blob to be inserted",
531 .type
= QEMU_OPT_STRING
,
532 .help
= "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
536 .type
= QEMU_OPT_STRING
,
537 .help
= "Sets content of the blob to be inserted from a string",
539 { /* end of list */ }
544 * Get machine options
546 * Returns: machine options (never null).
548 QemuOpts
*qemu_get_machine_opts(void)
550 return qemu_find_opts_singleton("machine");
553 const char *qemu_get_vm_name(void)
558 static void res_free(void)
560 g_free(boot_splash_filedata
);
561 boot_splash_filedata
= NULL
;
564 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
566 const char *driver
= qemu_opt_get(opts
, "driver");
571 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
572 if (strcmp(default_list
[i
].driver
, driver
) != 0)
574 *(default_list
[i
].flag
) = 0;
579 /***********************************************************/
582 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested
= RUN_STATE__MAX
;
586 static QemuMutex vmstop_lock
;
591 } RunStateTransition
;
593 static const RunStateTransition runstate_transitions_def
[] = {
595 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
596 /* Early switch to inmigrate state to allow -incoming CLI option work
597 * as it used to. TODO: delay actual switching to inmigrate state to
598 * the point after machine is built and remove this hack.
600 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
602 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
603 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
606 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
607 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
608 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
609 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
610 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
611 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
612 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
613 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
614 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
615 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
616 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
617 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
619 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
620 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
621 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
623 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
624 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
625 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
627 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
628 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
629 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
630 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
631 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
633 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
634 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
635 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
637 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
638 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
639 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
641 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
642 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
643 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
644 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
645 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
647 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
648 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
650 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
652 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
653 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
654 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
655 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
656 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
657 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
658 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
659 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
660 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
661 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
662 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
664 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
666 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
667 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
668 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
670 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
671 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
672 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
673 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
674 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
675 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
677 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
678 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
679 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
680 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
682 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
683 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
684 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
686 { RUN_STATE__MAX
, RUN_STATE__MAX
},
689 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
691 bool runstate_check(RunState state
)
693 return current_run_state
== state
;
696 bool runstate_store(char *str
, size_t size
)
698 const char *state
= RunState_str(current_run_state
);
699 size_t len
= strlen(state
) + 1;
704 memcpy(str
, state
, len
);
708 static void runstate_init(void)
710 const RunStateTransition
*p
;
712 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
713 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
714 runstate_valid_transitions
[p
->from
][p
->to
] = true;
717 qemu_mutex_init(&vmstop_lock
);
720 /* This function will abort() on invalid state transitions */
721 void runstate_set(RunState new_state
)
723 assert(new_state
< RUN_STATE__MAX
);
725 if (current_run_state
== new_state
) {
729 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
730 error_report("invalid runstate transition: '%s' -> '%s'",
731 RunState_str(current_run_state
),
732 RunState_str(new_state
));
735 trace_runstate_set(new_state
);
736 current_run_state
= new_state
;
739 int runstate_is_running(void)
741 return runstate_check(RUN_STATE_RUNNING
);
744 bool runstate_needs_reset(void)
746 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
747 runstate_check(RUN_STATE_SHUTDOWN
);
750 StatusInfo
*qmp_query_status(Error
**errp
)
752 StatusInfo
*info
= g_malloc0(sizeof(*info
));
754 info
->running
= runstate_is_running();
755 info
->singlestep
= singlestep
;
756 info
->status
= current_run_state
;
761 bool qemu_vmstop_requested(RunState
*r
)
763 qemu_mutex_lock(&vmstop_lock
);
764 *r
= vmstop_requested
;
765 vmstop_requested
= RUN_STATE__MAX
;
766 qemu_mutex_unlock(&vmstop_lock
);
767 return *r
< RUN_STATE__MAX
;
770 void qemu_system_vmstop_request_prepare(void)
772 qemu_mutex_lock(&vmstop_lock
);
775 void qemu_system_vmstop_request(RunState state
)
777 vmstop_requested
= state
;
778 qemu_mutex_unlock(&vmstop_lock
);
782 /***********************************************************/
783 /* real time host monotonic timer */
785 static time_t qemu_time(void)
787 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
790 /***********************************************************/
791 /* host time/date access */
792 void qemu_get_timedate(struct tm
*tm
, int offset
)
794 time_t ti
= qemu_time();
797 if (rtc_date_offset
== -1) {
801 localtime_r(&ti
, tm
);
803 ti
-= rtc_date_offset
;
808 int qemu_timedate_diff(struct tm
*tm
)
812 if (rtc_date_offset
== -1)
814 seconds
= mktimegm(tm
);
817 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
818 seconds
= mktime(&tmp
);
821 seconds
= mktimegm(tm
) + rtc_date_offset
;
823 return seconds
- qemu_time();
826 static void configure_rtc_date_offset(const char *startdate
)
828 time_t rtc_start_date
;
831 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
832 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
834 } else if (sscanf(startdate
, "%d-%d-%d",
835 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
844 rtc_start_date
= mktimegm(&tm
);
845 if (rtc_start_date
== -1) {
847 error_report("invalid date format");
848 error_printf("valid formats: "
849 "'2006-06-17T16:01:21' or '2006-06-17'\n");
852 rtc_date_offset
= qemu_time() - rtc_start_date
;
855 static void configure_rtc(QemuOpts
*opts
)
859 value
= qemu_opt_get(opts
, "base");
861 if (!strcmp(value
, "utc")) {
863 } else if (!strcmp(value
, "localtime")) {
864 Error
*blocker
= NULL
;
866 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
867 "-rtc base=localtime");
868 replay_add_blocker(blocker
);
870 configure_rtc_date_offset(value
);
873 value
= qemu_opt_get(opts
, "clock");
875 if (!strcmp(value
, "host")) {
876 rtc_clock
= QEMU_CLOCK_HOST
;
877 } else if (!strcmp(value
, "rt")) {
878 rtc_clock
= QEMU_CLOCK_REALTIME
;
879 } else if (!strcmp(value
, "vm")) {
880 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
882 error_report("invalid option value '%s'", value
);
886 value
= qemu_opt_get(opts
, "driftfix");
888 if (!strcmp(value
, "slew")) {
889 static GlobalProperty slew_lost_ticks
= {
890 .driver
= "mc146818rtc",
891 .property
= "lost_tick_policy",
895 qdev_prop_register_global(&slew_lost_ticks
);
896 } else if (!strcmp(value
, "none")) {
897 /* discard is default */
899 error_report("invalid option value '%s'", value
);
905 /***********************************************************/
906 /* Bluetooth support */
909 static struct HCIInfo
*hci_table
[MAX_NICS
];
911 struct HCIInfo
*qemu_next_hci(void)
913 if (cur_hci
== nb_hcis
)
916 return hci_table
[cur_hci
++];
919 static int bt_hci_parse(const char *str
)
924 if (nb_hcis
>= MAX_NICS
) {
925 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
938 bdaddr
.b
[5] = 0x56 + nb_hcis
;
939 hci
->bdaddr_set(hci
, bdaddr
.b
);
941 hci_table
[nb_hcis
++] = hci
;
946 static void bt_vhci_add(int vlan_id
)
948 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
951 warn_report("adding a VHCI to an empty scatternet %i",
954 bt_vhci_init(bt_new_hci(vlan
));
957 static struct bt_device_s
*bt_device_add(const char *opt
)
959 struct bt_scatternet_s
*vlan
;
961 char *endp
= strstr(opt
, ",vlan=");
962 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
965 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
968 vlan_id
= strtol(endp
+ 6, &endp
, 0);
970 error_report("unrecognised bluetooth vlan Id");
975 vlan
= qemu_find_bt_vlan(vlan_id
);
978 warn_report("adding a slave device to an empty scatternet %i",
981 if (!strcmp(devname
, "keyboard"))
982 return bt_keyboard_init(vlan
);
984 error_report("unsupported bluetooth device '%s'", devname
);
988 static int bt_parse(const char *opt
)
990 const char *endp
, *p
;
993 if (strstart(opt
, "hci", &endp
)) {
994 if (!*endp
|| *endp
== ',') {
996 if (!strstart(endp
, ",vlan=", 0))
999 return bt_hci_parse(opt
);
1001 } else if (strstart(opt
, "vhci", &endp
)) {
1002 if (!*endp
|| *endp
== ',') {
1004 if (strstart(endp
, ",vlan=", &p
)) {
1005 vlan
= strtol(p
, (char **) &endp
, 0);
1007 error_report("bad scatternet '%s'", p
);
1011 error_report("bad parameter '%s'", endp
+ 1);
1020 } else if (strstart(opt
, "device:", &endp
))
1021 return !bt_device_add(endp
);
1023 error_report("bad bluetooth parameter '%s'", opt
);
1027 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1029 const char *proc_name
;
1031 if (qemu_opt_get(opts
, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1034 qemu_name
= qemu_opt_get(opts
, "guest");
1036 proc_name
= qemu_opt_get(opts
, "process");
1038 os_set_proc_name(proc_name
);
1044 bool defaults_enabled(void)
1046 return has_defaults
;
1050 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1052 int fd
, dupfd
, flags
;
1054 const char *fd_opaque
= NULL
;
1057 fd
= qemu_opt_get_number(opts
, "fd", -1);
1058 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1059 fd_opaque
= qemu_opt_get(opts
, "opaque");
1062 error_setg(errp
, "fd option is required and must be non-negative");
1066 if (fd
<= STDERR_FILENO
) {
1067 error_setg(errp
, "fd cannot be a standard I/O stream");
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1075 flags
= fcntl(fd
, F_GETFD
);
1076 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1077 error_setg(errp
, "fd is not valid or already in use");
1082 error_setg(errp
, "set option is required and must be non-negative");
1086 #ifdef F_DUPFD_CLOEXEC
1087 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1091 qemu_set_cloexec(dupfd
);
1095 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1099 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1100 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1107 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1111 fd
= qemu_opt_get_number(opts
, "fd", -1);
1118 /***********************************************************/
1119 /* QEMU Block devices */
1121 #define HD_OPTS "media=disk"
1122 #define CDROM_OPTS "media=cdrom"
1124 #define PFLASH_OPTS ""
1128 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1130 BlockInterfaceType
*block_default_type
= opaque
;
1132 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1135 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1137 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1138 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1143 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1144 int index
, const char *optstr
)
1149 if (!enable
|| drive_get_by_index(type
, index
)) {
1153 opts
= drive_add(type
, index
, NULL
, optstr
);
1155 drive_enable_snapshot(NULL
, opts
, NULL
);
1158 dinfo
= drive_new(opts
, type
, &error_abort
);
1159 dinfo
->is_default
= true;
1163 static QemuOptsList qemu_smp_opts
= {
1165 .implied_opt_name
= "cpus",
1166 .merge_lists
= true,
1167 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1171 .type
= QEMU_OPT_NUMBER
,
1174 .type
= QEMU_OPT_NUMBER
,
1177 .type
= QEMU_OPT_NUMBER
,
1180 .type
= QEMU_OPT_NUMBER
,
1183 .type
= QEMU_OPT_NUMBER
,
1185 { /*End of list */ }
1189 static void smp_parse(QemuOpts
*opts
)
1192 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1193 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1194 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1195 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1197 /* compute missing values, prefer sockets over cores over threads */
1198 if (cpus
== 0 || sockets
== 0) {
1199 sockets
= sockets
> 0 ? sockets
: 1;
1200 cores
= cores
> 0 ? cores
: 1;
1201 threads
= threads
> 0 ? threads
: 1;
1203 cpus
= cores
* threads
* sockets
;
1205 } else if (cores
== 0) {
1206 threads
= threads
> 0 ? threads
: 1;
1207 cores
= cpus
/ (sockets
* threads
);
1208 cores
= cores
> 0 ? cores
: 1;
1209 } else if (threads
== 0) {
1210 threads
= cpus
/ (cores
* sockets
);
1211 threads
= threads
> 0 ? threads
: 1;
1212 } else if (sockets
* cores
* threads
< cpus
) {
1213 error_report("cpu topology: "
1214 "sockets (%u) * cores (%u) * threads (%u) < "
1216 sockets
, cores
, threads
, cpus
);
1220 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1222 if (max_cpus
< cpus
) {
1223 error_report("maxcpus must be equal to or greater than smp");
1227 if (sockets
* cores
* threads
> max_cpus
) {
1228 error_report("cpu topology: "
1229 "sockets (%u) * cores (%u) * threads (%u) > "
1231 sockets
, cores
, threads
, max_cpus
);
1237 smp_threads
= threads
;
1241 Error
*blocker
= NULL
;
1242 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1243 replay_add_blocker(blocker
);
1247 static void realtime_init(void)
1250 if (os_mlock() < 0) {
1251 error_report("locking memory failed");
1258 static void configure_msg(QemuOpts
*opts
)
1260 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1263 /***********************************************************/
1266 typedef struct SemihostingConfig
{
1268 SemihostingTarget target
;
1271 const char *cmdline
; /* concatenated argv */
1272 } SemihostingConfig
;
1274 static SemihostingConfig semihosting
;
1276 bool semihosting_enabled(void)
1278 return semihosting
.enabled
;
1281 SemihostingTarget
semihosting_get_target(void)
1283 return semihosting
.target
;
1286 const char *semihosting_get_arg(int i
)
1288 if (i
>= semihosting
.argc
) {
1291 return semihosting
.argv
[i
];
1294 int semihosting_get_argc(void)
1296 return semihosting
.argc
;
1299 const char *semihosting_get_cmdline(void)
1301 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1302 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1304 return semihosting
.cmdline
;
1307 static int add_semihosting_arg(void *opaque
,
1308 const char *name
, const char *val
,
1311 SemihostingConfig
*s
= opaque
;
1312 if (strcmp(name
, "arg") == 0) {
1314 /* one extra element as g_strjoinv() expects NULL-terminated array */
1315 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1316 s
->argv
[s
->argc
- 1] = val
;
1317 s
->argv
[s
->argc
] = NULL
;
1322 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1323 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1328 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1330 /* split -append and initialize argv[1..n] */
1331 cmd_token
= strtok(g_strdup(cmd
), " ");
1333 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1334 cmd_token
= strtok(NULL
, " ");
1338 /* Now we still need this for compatibility with XEN. */
1339 bool has_igd_gfx_passthru
;
1340 static void igd_gfx_passthru(void)
1342 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1345 /***********************************************************/
1348 static int usb_device_add(const char *devname
)
1350 USBDevice
*dev
= NULL
;
1352 if (!machine_usb(current_machine
)) {
1356 dev
= usbdevice_create(devname
);
1363 static int usb_parse(const char *cmdline
)
1366 r
= usb_device_add(cmdline
);
1368 error_report("could not add USB device '%s'", cmdline
);
1373 /***********************************************************/
1374 /* machine registration */
1376 MachineState
*current_machine
;
1378 static MachineClass
*find_machine(const char *name
)
1380 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1381 MachineClass
*mc
= NULL
;
1383 for (el
= machines
; el
; el
= el
->next
) {
1384 MachineClass
*temp
= el
->data
;
1386 if (!strcmp(temp
->name
, name
)) {
1391 !strcmp(temp
->alias
, name
)) {
1397 g_slist_free(machines
);
1401 MachineClass
*find_default_machine(void)
1403 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1404 MachineClass
*mc
= NULL
;
1406 for (el
= machines
; el
; el
= el
->next
) {
1407 MachineClass
*temp
= el
->data
;
1409 if (temp
->is_default
) {
1415 g_slist_free(machines
);
1419 MachineInfoList
*qmp_query_machines(Error
**errp
)
1421 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1422 MachineInfoList
*mach_list
= NULL
;
1424 for (el
= machines
; el
; el
= el
->next
) {
1425 MachineClass
*mc
= el
->data
;
1426 MachineInfoList
*entry
;
1429 info
= g_malloc0(sizeof(*info
));
1430 if (mc
->is_default
) {
1431 info
->has_is_default
= true;
1432 info
->is_default
= true;
1436 info
->has_alias
= true;
1437 info
->alias
= g_strdup(mc
->alias
);
1440 info
->name
= g_strdup(mc
->name
);
1441 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1442 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1444 entry
= g_malloc0(sizeof(*entry
));
1445 entry
->value
= info
;
1446 entry
->next
= mach_list
;
1450 g_slist_free(machines
);
1454 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1456 ObjectProperty
*prop
;
1457 ObjectPropertyIterator iter
;
1459 if (!qemu_opt_has_help_opt(opts
)) {
1463 object_property_iter_init(&iter
, OBJECT(machine
));
1464 while ((prop
= object_property_iter_next(&iter
))) {
1469 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1470 prop
->name
, prop
->type
);
1471 if (prop
->description
) {
1472 error_printf(" (%s)\n", prop
->description
);
1481 /***********************************************************/
1482 /* main execution loop */
1484 struct vm_change_state_entry
{
1485 VMChangeStateHandler
*cb
;
1487 QLIST_ENTRY (vm_change_state_entry
) entries
;
1490 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1492 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1495 VMChangeStateEntry
*e
;
1497 e
= g_malloc0(sizeof (*e
));
1501 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1505 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1507 QLIST_REMOVE (e
, entries
);
1511 void vm_state_notify(int running
, RunState state
)
1513 VMChangeStateEntry
*e
, *next
;
1515 trace_vm_state_notify(running
, state
);
1517 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1518 e
->cb(e
->opaque
, running
, state
);
1522 static ShutdownCause reset_requested
;
1523 static ShutdownCause shutdown_requested
;
1524 static int shutdown_signal
;
1525 static pid_t shutdown_pid
;
1526 static int powerdown_requested
;
1527 static int debug_requested
;
1528 static int suspend_requested
;
1529 static bool preconfig_exit_requested
= true;
1530 static WakeupReason wakeup_reason
;
1531 static NotifierList powerdown_notifiers
=
1532 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1533 static NotifierList suspend_notifiers
=
1534 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1535 static NotifierList wakeup_notifiers
=
1536 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1537 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1539 ShutdownCause
qemu_shutdown_requested_get(void)
1541 return shutdown_requested
;
1544 ShutdownCause
qemu_reset_requested_get(void)
1546 return reset_requested
;
1549 static int qemu_shutdown_requested(void)
1551 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1554 static void qemu_kill_report(void)
1556 if (!qtest_driver() && shutdown_signal
) {
1557 if (shutdown_pid
== 0) {
1558 /* This happens for eg ^C at the terminal, so it's worth
1559 * avoiding printing an odd message in that case.
1561 error_report("terminating on signal %d", shutdown_signal
);
1563 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1565 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1566 shutdown_signal
, shutdown_pid
,
1567 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1568 g_free(shutdown_cmd
);
1570 shutdown_signal
= 0;
1574 static ShutdownCause
qemu_reset_requested(void)
1576 ShutdownCause r
= reset_requested
;
1578 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1579 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1582 return SHUTDOWN_CAUSE_NONE
;
1585 static int qemu_suspend_requested(void)
1587 int r
= suspend_requested
;
1588 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1589 suspend_requested
= 0;
1595 static WakeupReason
qemu_wakeup_requested(void)
1597 return wakeup_reason
;
1600 static int qemu_powerdown_requested(void)
1602 int r
= powerdown_requested
;
1603 powerdown_requested
= 0;
1607 static int qemu_debug_requested(void)
1609 int r
= debug_requested
;
1610 debug_requested
= 0;
1614 void qemu_exit_preconfig_request(void)
1616 preconfig_exit_requested
= true;
1620 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1622 void qemu_system_reset(ShutdownCause reason
)
1626 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1628 cpu_synchronize_all_states();
1630 if (mc
&& mc
->reset
) {
1633 qemu_devices_reset();
1635 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1636 qapi_event_send_reset(shutdown_caused_by_guest(reason
));
1638 cpu_synchronize_all_post_reset();
1641 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1643 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1646 current_cpu
->crash_occurred
= true;
1648 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1650 vm_stop(RUN_STATE_GUEST_PANICKED
);
1652 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1654 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1658 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1659 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1660 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1661 info
->u
.hyper_v
.arg1
,
1662 info
->u
.hyper_v
.arg2
,
1663 info
->u
.hyper_v
.arg3
,
1664 info
->u
.hyper_v
.arg4
,
1665 info
->u
.hyper_v
.arg5
);
1666 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1667 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1668 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1670 S390CrashReason_str(info
->u
.s390
.reason
),
1671 info
->u
.s390
.psw_mask
,
1672 info
->u
.s390
.psw_addr
);
1674 qapi_free_GuestPanicInformation(info
);
1678 void qemu_system_reset_request(ShutdownCause reason
)
1680 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1681 shutdown_requested
= reason
;
1683 reset_requested
= reason
;
1686 qemu_notify_event();
1689 static void qemu_system_suspend(void)
1692 notifier_list_notify(&suspend_notifiers
, NULL
);
1693 runstate_set(RUN_STATE_SUSPENDED
);
1694 qapi_event_send_suspend();
1697 void qemu_system_suspend_request(void)
1699 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1702 suspend_requested
= 1;
1704 qemu_notify_event();
1707 void qemu_register_suspend_notifier(Notifier
*notifier
)
1709 notifier_list_add(&suspend_notifiers
, notifier
);
1712 void qemu_system_wakeup_request(WakeupReason reason
)
1714 trace_system_wakeup_request(reason
);
1716 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1719 if (!(wakeup_reason_mask
& (1 << reason
))) {
1722 runstate_set(RUN_STATE_RUNNING
);
1723 wakeup_reason
= reason
;
1724 qemu_notify_event();
1727 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1730 wakeup_reason_mask
|= (1 << reason
);
1732 wakeup_reason_mask
&= ~(1 << reason
);
1736 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1738 notifier_list_add(&wakeup_notifiers
, notifier
);
1741 void qemu_system_killed(int signal
, pid_t pid
)
1743 shutdown_signal
= signal
;
1747 /* Cannot call qemu_system_shutdown_request directly because
1748 * we are in a signal handler.
1750 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1751 qemu_notify_event();
1754 void qemu_system_shutdown_request(ShutdownCause reason
)
1756 trace_qemu_system_shutdown_request(reason
);
1757 replay_shutdown_request(reason
);
1758 shutdown_requested
= reason
;
1759 qemu_notify_event();
1762 static void qemu_system_powerdown(void)
1764 qapi_event_send_powerdown();
1765 notifier_list_notify(&powerdown_notifiers
, NULL
);
1768 void qemu_system_powerdown_request(void)
1770 trace_qemu_system_powerdown_request();
1771 powerdown_requested
= 1;
1772 qemu_notify_event();
1775 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1777 notifier_list_add(&powerdown_notifiers
, notifier
);
1780 void qemu_system_debug_request(void)
1782 debug_requested
= 1;
1783 qemu_notify_event();
1786 static bool main_loop_should_exit(void)
1789 ShutdownCause request
;
1791 if (preconfig_exit_requested
) {
1792 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1793 runstate_set(RUN_STATE_PRELAUNCH
);
1795 preconfig_exit_requested
= false;
1798 if (qemu_debug_requested()) {
1799 vm_stop(RUN_STATE_DEBUG
);
1801 if (qemu_suspend_requested()) {
1802 qemu_system_suspend();
1804 request
= qemu_shutdown_requested();
1807 qapi_event_send_shutdown(shutdown_caused_by_guest(request
));
1809 vm_stop(RUN_STATE_SHUTDOWN
);
1814 request
= qemu_reset_requested();
1817 qemu_system_reset(request
);
1819 if (!runstate_check(RUN_STATE_RUNNING
) &&
1820 !runstate_check(RUN_STATE_INMIGRATE
)) {
1821 runstate_set(RUN_STATE_PRELAUNCH
);
1824 if (qemu_wakeup_requested()) {
1826 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1827 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1828 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1830 qapi_event_send_wakeup();
1832 if (qemu_powerdown_requested()) {
1833 qemu_system_powerdown();
1835 if (qemu_vmstop_requested(&r
)) {
1841 static void main_loop(void)
1843 #ifdef CONFIG_PROFILER
1846 while (!main_loop_should_exit()) {
1847 #ifdef CONFIG_PROFILER
1848 ti
= profile_getclock();
1850 main_loop_wait(false);
1851 #ifdef CONFIG_PROFILER
1852 dev_time
+= profile_getclock() - ti
;
1857 static void version(void)
1859 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1860 QEMU_COPYRIGHT
"\n");
1863 static void help(int exitcode
)
1866 printf("usage: %s [options] [disk_image]\n\n"
1867 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1868 error_get_progname());
1870 #define QEMU_OPTIONS_GENERATE_HELP
1871 #include "qemu-options-wrapper.h"
1873 printf("\nDuring emulation, the following keys are useful:\n"
1874 "ctrl-alt-f toggle full screen\n"
1875 "ctrl-alt-n switch to virtual console 'n'\n"
1876 "ctrl-alt toggle mouse and keyboard grab\n"
1878 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1880 QEMU_HELP_BOTTOM
"\n");
1885 #define HAS_ARG 0x0001
1887 typedef struct QEMUOption
{
1894 static const QEMUOption qemu_options
[] = {
1895 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1896 #define QEMU_OPTIONS_GENERATE_OPTIONS
1897 #include "qemu-options-wrapper.h"
1901 typedef struct VGAInterfaceInfo
{
1902 const char *opt_name
; /* option name */
1903 const char *name
; /* human-readable name */
1904 /* Class names indicating that support is available.
1905 * If no class is specified, the interface is always available */
1906 const char *class_names
[2];
1909 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1915 .name
= "standard VGA",
1916 .class_names
= { "VGA", "isa-vga" },
1919 .opt_name
= "cirrus",
1920 .name
= "Cirrus VGA",
1921 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1924 .opt_name
= "vmware",
1925 .name
= "VMWare SVGA",
1926 .class_names
= { "vmware-svga" },
1929 .opt_name
= "virtio",
1930 .name
= "Virtio VGA",
1931 .class_names
= { "virtio-vga" },
1936 .class_names
= { "qxl-vga" },
1940 .name
= "TCX framebuffer",
1941 .class_names
= { "SUNW,tcx" },
1945 .name
= "CG3 framebuffer",
1946 .class_names
= { "cgthree" },
1949 .opt_name
= "xenfb",
1953 static bool vga_interface_available(VGAInterfaceType t
)
1955 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1957 assert(t
< VGA_TYPE_MAX
);
1958 return !ti
->class_names
[0] ||
1959 object_class_by_name(ti
->class_names
[0]) ||
1960 object_class_by_name(ti
->class_names
[1]);
1963 static void select_vgahw(const char *p
)
1968 assert(vga_interface_type
== VGA_NONE
);
1969 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1970 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1971 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1972 if (!vga_interface_available(t
)) {
1973 error_report("%s not available", ti
->name
);
1976 vga_interface_type
= t
;
1980 if (t
== VGA_TYPE_MAX
) {
1982 error_report("unknown vga type: %s", p
);
1986 const char *nextopt
;
1988 if (strstart(opts
, ",retrace=", &nextopt
)) {
1990 if (strstart(opts
, "dumb", &nextopt
))
1991 vga_retrace_method
= VGA_RETRACE_DUMB
;
1992 else if (strstart(opts
, "precise", &nextopt
))
1993 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1994 else goto invalid_vga
;
1995 } else goto invalid_vga
;
2000 static void parse_display_qapi(const char *optarg
)
2002 DisplayOptions
*opts
;
2005 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
2007 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2008 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2010 qapi_free_DisplayOptions(opts
);
2014 static void parse_display(const char *p
)
2018 if (strstart(p
, "sdl", &opts
)) {
2020 * sdl DisplayType needs hand-crafted parser instead of
2021 * parse_display_qapi() due to some options not in
2022 * DisplayOptions, specifically:
2024 * Already deprecated.
2025 * - ctrl_grab + alt_grab
2026 * Not clear yet what happens to them long-term. Should
2027 * replaced by something better or deprecated and dropped.
2029 dpy
.type
= DISPLAY_TYPE_SDL
;
2031 const char *nextopt
;
2033 if (strstart(opts
, ",frame=", &nextopt
)) {
2034 g_printerr("The frame= sdl option is deprecated, and will be\n"
2035 "removed in a future release.\n");
2037 if (strstart(opts
, "on", &nextopt
)) {
2039 } else if (strstart(opts
, "off", &nextopt
)) {
2042 goto invalid_sdl_args
;
2044 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2046 if (strstart(opts
, "on", &nextopt
)) {
2048 } else if (strstart(opts
, "off", &nextopt
)) {
2051 goto invalid_sdl_args
;
2053 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2055 if (strstart(opts
, "on", &nextopt
)) {
2057 } else if (strstart(opts
, "off", &nextopt
)) {
2060 goto invalid_sdl_args
;
2062 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2064 dpy
.has_window_close
= true;
2065 if (strstart(opts
, "on", &nextopt
)) {
2066 dpy
.window_close
= true;
2067 } else if (strstart(opts
, "off", &nextopt
)) {
2068 dpy
.window_close
= false;
2070 goto invalid_sdl_args
;
2072 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2075 if (strstart(opts
, "on", &nextopt
)) {
2076 dpy
.gl
= DISPLAYGL_MODE_ON
;
2077 } else if (strstart(opts
, "core", &nextopt
)) {
2078 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2079 } else if (strstart(opts
, "es", &nextopt
)) {
2080 dpy
.gl
= DISPLAYGL_MODE_ES
;
2081 } else if (strstart(opts
, "off", &nextopt
)) {
2082 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2084 goto invalid_sdl_args
;
2088 error_report("invalid SDL option string");
2093 } else if (strstart(p
, "vnc", &opts
)) {
2095 * vnc isn't a (local) DisplayType but a protocol for remote
2099 vnc_parse(opts
+ 1, &error_fatal
);
2101 error_report("VNC requires a display argument vnc=<display>");
2105 parse_display_qapi(p
);
2109 char *qemu_find_file(int type
, const char *name
)
2115 /* Try the name as a straight path first */
2116 if (access(name
, R_OK
) == 0) {
2117 trace_load_file(name
, name
);
2118 return g_strdup(name
);
2122 case QEMU_FILE_TYPE_BIOS
:
2125 case QEMU_FILE_TYPE_KEYMAP
:
2126 subdir
= "keymaps/";
2132 for (i
= 0; i
< data_dir_idx
; i
++) {
2133 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2134 if (access(buf
, R_OK
) == 0) {
2135 trace_load_file(name
, buf
);
2143 static void qemu_add_data_dir(const char *path
)
2150 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2153 for (i
= 0; i
< data_dir_idx
; i
++) {
2154 if (strcmp(data_dir
[i
], path
) == 0) {
2155 return; /* duplicate */
2158 data_dir
[data_dir_idx
++] = g_strdup(path
);
2161 static inline bool nonempty_str(const char *str
)
2166 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2170 const char *name
, *file
, *str
;
2171 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2173 if (fw_cfg
== NULL
) {
2174 error_setg(errp
, "fw_cfg device not available");
2177 name
= qemu_opt_get(opts
, "name");
2178 file
= qemu_opt_get(opts
, "file");
2179 str
= qemu_opt_get(opts
, "string");
2181 /* we need name and either a file or the content string */
2182 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2183 error_setg(errp
, "invalid argument(s)");
2186 if (nonempty_str(file
) && nonempty_str(str
)) {
2187 error_setg(errp
, "file and string are mutually exclusive");
2190 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2191 error_setg(errp
, "name too long (max. %d char)",
2192 FW_CFG_MAX_FILE_PATH
- 1);
2195 if (strncmp(name
, "opt/", 4) != 0) {
2196 warn_report("externally provided fw_cfg item names "
2197 "should be prefixed with \"opt/\"");
2199 if (nonempty_str(str
)) {
2200 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2201 buf
= g_memdup(str
, size
);
2203 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2204 error_setg(errp
, "can't load %s", file
);
2208 /* For legacy, keep user files in a specific global order. */
2209 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2210 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2211 fw_cfg_reset_order_override(fw_cfg
);
2215 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2217 return qdev_device_help(opts
);
2220 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2224 dev
= qdev_device_add(opts
, errp
);
2228 object_unref(OBJECT(dev
));
2232 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2234 Error
*local_err
= NULL
;
2236 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2238 error_propagate(errp
, local_err
);
2246 #ifdef CONFIG_VIRTFS
2247 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2249 return qemu_fsdev_add(opts
, errp
);
2253 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2256 const char *chardev
;
2260 mode
= qemu_opt_get(opts
, "mode");
2264 if (strcmp(mode
, "readline") == 0) {
2265 flags
= MONITOR_USE_READLINE
;
2266 } else if (strcmp(mode
, "control") == 0) {
2267 flags
= MONITOR_USE_CONTROL
;
2269 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2273 if (qemu_opt_get_bool(opts
, "pretty", 0))
2274 flags
|= MONITOR_USE_PRETTY
;
2276 /* OOB is off by default */
2277 if (qemu_opt_get_bool(opts
, "x-oob", 0)) {
2278 flags
|= MONITOR_USE_OOB
;
2281 chardev
= qemu_opt_get(opts
, "chardev");
2282 chr
= qemu_chr_find(chardev
);
2284 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2288 monitor_init(chr
, flags
);
2292 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2294 static int monitor_device_index
= 0;
2299 if (strstart(optarg
, "chardev:", &p
)) {
2300 snprintf(label
, sizeof(label
), "%s", p
);
2302 snprintf(label
, sizeof(label
), "compat_monitor%d",
2303 monitor_device_index
);
2304 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2306 error_report("parse error: %s", optarg
);
2311 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2312 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2313 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2314 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2315 monitor_device_index
++;
2318 struct device_config
{
2320 DEV_USB
, /* -usbdevice */
2322 DEV_SERIAL
, /* -serial */
2323 DEV_PARALLEL
, /* -parallel */
2324 DEV_VIRTCON
, /* -virtioconsole */
2325 DEV_DEBUGCON
, /* -debugcon */
2326 DEV_GDB
, /* -gdb, -s */
2327 DEV_SCLP
, /* s390 sclp */
2329 const char *cmdline
;
2331 QTAILQ_ENTRY(device_config
) next
;
2334 static QTAILQ_HEAD(, device_config
) device_configs
=
2335 QTAILQ_HEAD_INITIALIZER(device_configs
);
2337 static void add_device_config(int type
, const char *cmdline
)
2339 struct device_config
*conf
;
2341 conf
= g_malloc0(sizeof(*conf
));
2343 conf
->cmdline
= cmdline
;
2344 loc_save(&conf
->loc
);
2345 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2348 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2350 struct device_config
*conf
;
2353 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2354 if (conf
->type
!= type
)
2356 loc_push_restore(&conf
->loc
);
2357 rc
= func(conf
->cmdline
);
2358 loc_pop(&conf
->loc
);
2366 static int serial_parse(const char *devname
)
2368 int index
= num_serial_hds
;
2371 if (strcmp(devname
, "none") == 0)
2373 snprintf(label
, sizeof(label
), "serial%d", index
);
2374 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2376 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
);
2377 if (!serial_hds
[index
]) {
2378 error_report("could not connect serial device"
2379 " to character backend '%s'", devname
);
2386 Chardev
*serial_hd(int i
)
2389 if (i
< num_serial_hds
) {
2390 return serial_hds
[i
];
2395 int serial_max_hds(void)
2397 return num_serial_hds
;
2400 static int parallel_parse(const char *devname
)
2402 static int index
= 0;
2405 if (strcmp(devname
, "none") == 0)
2407 if (index
== MAX_PARALLEL_PORTS
) {
2408 error_report("too many parallel ports");
2411 snprintf(label
, sizeof(label
), "parallel%d", index
);
2412 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
);
2413 if (!parallel_hds
[index
]) {
2414 error_report("could not connect parallel device"
2415 " to character backend '%s'", devname
);
2422 static int virtcon_parse(const char *devname
)
2424 QemuOptsList
*device
= qemu_find_opts("device");
2425 static int index
= 0;
2427 QemuOpts
*bus_opts
, *dev_opts
;
2429 if (strcmp(devname
, "none") == 0)
2431 if (index
== MAX_VIRTIO_CONSOLES
) {
2432 error_report("too many virtio consoles");
2436 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2437 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2439 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2440 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2442 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2443 virtcon_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
);
2444 if (!virtcon_hds
[index
]) {
2445 error_report("could not connect virtio console"
2446 " to character backend '%s'", devname
);
2449 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2455 static int debugcon_parse(const char *devname
)
2459 if (!qemu_chr_new_mux_mon("debugcon", devname
)) {
2460 error_report("invalid character backend '%s'", devname
);
2463 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2465 error_report("already have a debugcon device");
2468 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2469 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2473 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2475 const MachineClass
*mc1
= a
, *mc2
= b
;
2478 if (mc1
->family
== NULL
) {
2479 if (mc2
->family
== NULL
) {
2480 /* Compare standalone machine types against each other; they sort
2481 * in increasing order.
2483 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2484 object_class_get_name(OBJECT_CLASS(mc2
)));
2487 /* Standalone machine types sort after families. */
2491 if (mc2
->family
== NULL
) {
2492 /* Families sort before standalone machine types. */
2496 /* Families sort between each other alphabetically increasingly. */
2497 res
= strcmp(mc1
->family
, mc2
->family
);
2502 /* Within the same family, machine types sort in decreasing order. */
2503 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2504 object_class_get_name(OBJECT_CLASS(mc1
)));
2507 static MachineClass
*machine_parse(const char *name
)
2509 MachineClass
*mc
= NULL
;
2510 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2513 mc
= find_machine(name
);
2516 g_slist_free(machines
);
2519 if (name
&& !is_help_option(name
)) {
2520 error_report("unsupported machine type");
2521 error_printf("Use -machine help to list supported machines\n");
2523 printf("Supported machines are:\n");
2524 machines
= g_slist_sort(machines
, machine_class_cmp
);
2525 for (el
= machines
; el
; el
= el
->next
) {
2526 MachineClass
*mc
= el
->data
;
2528 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2530 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2531 mc
->is_default
? " (default)" : "",
2532 mc
->deprecation_reason
? " (deprecated)" : "");
2536 g_slist_free(machines
);
2537 exit(!name
|| !is_help_option(name
));
2540 void qemu_add_exit_notifier(Notifier
*notify
)
2542 notifier_list_add(&exit_notifiers
, notify
);
2545 void qemu_remove_exit_notifier(Notifier
*notify
)
2547 notifier_remove(notify
);
2550 static void qemu_run_exit_notifiers(void)
2552 notifier_list_notify(&exit_notifiers
, NULL
);
2555 static const char *pid_file
;
2556 static Notifier qemu_unlink_pidfile_notifier
;
2558 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2565 bool machine_init_done
;
2567 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2569 notifier_list_add(&machine_init_done_notifiers
, notify
);
2570 if (machine_init_done
) {
2571 notify
->notify(notify
, NULL
);
2575 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2577 notifier_remove(notify
);
2580 static void qemu_run_machine_init_done_notifiers(void)
2582 machine_init_done
= true;
2583 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2586 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2587 const char **poptarg
, int *poptind
)
2589 const QEMUOption
*popt
;
2590 int optind
= *poptind
;
2591 char *r
= argv
[optind
];
2594 loc_set_cmdline(argv
, optind
, 1);
2596 /* Treat --foo the same as -foo. */
2599 popt
= qemu_options
;
2602 error_report("invalid option");
2605 if (!strcmp(popt
->name
, r
+ 1))
2609 if (popt
->flags
& HAS_ARG
) {
2610 if (optind
>= argc
) {
2611 error_report("requires an argument");
2614 optarg
= argv
[optind
++];
2615 loc_set_cmdline(argv
, optind
- 2, 2);
2626 static MachineClass
*select_machine(void)
2628 MachineClass
*machine_class
= find_default_machine();
2633 loc_push_none(&loc
);
2635 opts
= qemu_get_machine_opts();
2636 qemu_opts_loc_restore(opts
);
2638 optarg
= qemu_opt_get(opts
, "type");
2640 machine_class
= machine_parse(optarg
);
2643 if (!machine_class
) {
2644 error_report("No machine specified, and there is no default");
2645 error_printf("Use -machine help to list supported machines\n");
2650 return machine_class
;
2653 static int machine_set_property(void *opaque
,
2654 const char *name
, const char *value
,
2657 Object
*obj
= OBJECT(opaque
);
2658 Error
*local_err
= NULL
;
2661 if (strcmp(name
, "type") == 0) {
2665 qom_name
= g_strdup(name
);
2666 for (p
= qom_name
; *p
; p
++) {
2672 object_property_parse(obj
, value
, qom_name
, &local_err
);
2676 error_propagate(errp
, local_err
);
2685 * Initial object creation happens before all other
2686 * QEMU data types are created. The majority of objects
2687 * can be created at this point. The rng-egd object
2688 * cannot be created here, as it depends on the chardev
2691 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2695 if (is_help_option(type
)) {
2698 printf("List of user creatable objects:\n");
2699 list
= object_class_get_list_sorted(TYPE_USER_CREATABLE
, false);
2700 for (l
= list
; l
!= NULL
; l
= l
->next
) {
2701 ObjectClass
*oc
= OBJECT_CLASS(l
->data
);
2702 printf("%s\n", object_class_get_name(oc
));
2708 klass
= object_class_by_name(type
);
2709 if (klass
&& qemu_opt_has_help_opt(opts
)) {
2710 ObjectPropertyIterator iter
;
2711 ObjectProperty
*prop
;
2712 GPtrArray
*array
= g_ptr_array_new();
2715 object_class_property_iter_init(&iter
, klass
);
2716 while ((prop
= object_property_iter_next(&iter
))) {
2723 str
= g_string_new(NULL
);
2724 g_string_append_printf(str
, "%s.%s=%s", type
,
2725 prop
->name
, prop
->type
);
2726 if (prop
->description
) {
2727 g_string_append_printf(str
, " - %s", prop
->description
);
2729 g_ptr_array_add(array
, g_string_free(str
, false));
2731 g_ptr_array_sort(array
, (GCompareFunc
)qemu_pstrcmp0
);
2732 for (i
= 0; i
< array
->len
; i
++) {
2733 printf("%s\n", (char *)array
->pdata
[i
]);
2735 g_ptr_array_set_free_func(array
, g_free
);
2736 g_ptr_array_free(array
, true);
2740 if (g_str_equal(type
, "rng-egd") ||
2741 g_str_has_prefix(type
, "pr-manager-")) {
2745 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2746 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2752 * return false for concrete netfilters since
2753 * they depend on netdevs already existing
2755 if (g_str_equal(type
, "filter-buffer") ||
2756 g_str_equal(type
, "filter-dump") ||
2757 g_str_equal(type
, "filter-mirror") ||
2758 g_str_equal(type
, "filter-redirector") ||
2759 g_str_equal(type
, "colo-compare") ||
2760 g_str_equal(type
, "filter-rewriter") ||
2761 g_str_equal(type
, "filter-replay")) {
2765 /* Memory allocation by backends needs to be done
2766 * after configure_accelerator() (due to the tcg_enabled()
2767 * checks at memory_region_init_*()).
2769 * Also, allocation of large amounts of memory may delay
2770 * chardev initialization for too long, and trigger timeouts
2771 * on software that waits for a monitor socket to be created
2774 if (g_str_has_prefix(type
, "memory-backend-")) {
2783 * The remainder of object creation happens after the
2784 * creation of chardev, fsdev, net clients and device data types.
2786 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2788 return !object_create_initial(type
, opts
);
2792 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2796 const char *mem_str
;
2797 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2798 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2801 loc_push_none(&loc
);
2802 qemu_opts_loc_restore(opts
);
2805 mem_str
= qemu_opt_get(opts
, "size");
2808 error_report("missing 'size' option value");
2812 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2814 /* Fix up legacy suffix-less format */
2815 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2816 uint64_t overflow_check
= sz
;
2819 if (sz
/ MiB
!= overflow_check
) {
2820 error_report("too large 'size' option value");
2826 /* backward compatibility behaviour for case "-m 0" */
2828 sz
= default_ram_size
;
2831 sz
= QEMU_ALIGN_UP(sz
, 8192);
2833 if (ram_size
!= sz
) {
2834 error_report("ram size too large");
2838 /* store value for the future use */
2839 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2840 *maxram_size
= ram_size
;
2842 if (qemu_opt_get(opts
, "maxmem")) {
2845 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2846 slots
= qemu_opt_get_number(opts
, "slots", 0);
2847 if (sz
< ram_size
) {
2848 error_report("invalid value of -m option maxmem: "
2849 "maximum memory size (0x%" PRIx64
") must be at least "
2850 "the initial memory size (0x" RAM_ADDR_FMT
")",
2853 } else if (slots
&& sz
== ram_size
) {
2854 error_report("invalid value of -m option maxmem: "
2855 "memory slots were specified but maximum memory size "
2856 "(0x%" PRIx64
") is equal to the initial memory size "
2857 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2863 } else if (qemu_opt_get(opts
, "slots")) {
2864 error_report("invalid -m option value: missing 'maxmem' option");
2871 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2875 g
= g_malloc0(sizeof(*g
));
2876 g
->driver
= qemu_opt_get(opts
, "driver");
2877 g
->property
= qemu_opt_get(opts
, "property");
2878 g
->value
= qemu_opt_get(opts
, "value");
2879 g
->user_provided
= true;
2880 g
->errp
= &error_fatal
;
2881 qdev_prop_register_global(g
);
2885 static int qemu_read_default_config_file(void)
2889 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2890 if (ret
< 0 && ret
!= -ENOENT
) {
2897 static void user_register_global_props(void)
2899 qemu_opts_foreach(qemu_find_opts("global"),
2900 global_init_func
, NULL
, NULL
);
2904 * Note: we should see that these properties are actually having a
2905 * priority: accel < machine < user. This means e.g. when user
2906 * specifies something in "-global", it'll always be used with highest
2907 * priority than either machine/accelerator compat properties.
2909 static void register_global_properties(MachineState
*ms
)
2911 accel_register_compat_props(ms
->accelerator
);
2912 machine_register_compat_props(ms
);
2913 user_register_global_props();
2916 int main(int argc
, char **argv
, char **envp
)
2919 int snapshot
, linux_boot
;
2920 const char *initrd_filename
;
2921 const char *kernel_filename
, *kernel_cmdline
;
2922 const char *boot_order
= NULL
;
2923 const char *boot_once
= NULL
;
2925 QemuOpts
*opts
, *machine_opts
;
2926 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2927 QemuOptsList
*olist
;
2930 const char *loadvm
= NULL
;
2931 MachineClass
*machine_class
;
2932 const char *cpu_model
;
2933 const char *vga_model
= NULL
;
2934 const char *qtest_chrdev
= NULL
;
2935 const char *qtest_log
= NULL
;
2936 const char *incoming
= NULL
;
2937 bool userconfig
= true;
2938 bool nographic
= false;
2939 int display_remote
= 0;
2940 const char *log_mask
= NULL
;
2941 const char *log_file
= NULL
;
2942 char *trace_file
= NULL
;
2943 ram_addr_t maxram_size
;
2944 uint64_t ram_slots
= 0;
2945 FILE *vmstate_dump_file
= NULL
;
2946 Error
*main_loop_err
= NULL
;
2948 bool list_data_dirs
= false;
2950 typedef struct BlockdevOptions_queue
{
2951 BlockdevOptions
*bdo
;
2953 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
2954 } BlockdevOptions_queue
;
2955 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
2956 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2958 module_call_init(MODULE_INIT_TRACE
);
2960 qemu_init_cpu_list();
2961 qemu_init_cpu_loop();
2963 qemu_mutex_lock_iothread();
2965 atexit(qemu_run_exit_notifiers
);
2966 error_set_progname(argv
[0]);
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 postcopy_infrastructure_init();
3006 monitor_init_globals();
3008 if (qcrypto_init(&err
) < 0) {
3009 error_reportf_err(err
, "cannot initialize crypto: ");
3012 rtc_clock
= QEMU_CLOCK_HOST
;
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 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3058 const QEMUOption
*popt
;
3060 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3061 if (!(popt
->arch_mask
& arch_type
)) {
3062 error_report("Option not supported for this target");
3065 switch(popt
->index
) {
3066 case QEMU_OPTION_cpu
:
3067 /* hw initialization will check this */
3070 case QEMU_OPTION_hda
:
3071 case QEMU_OPTION_hdb
:
3072 case QEMU_OPTION_hdc
:
3073 case QEMU_OPTION_hdd
:
3074 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3077 case QEMU_OPTION_blockdev
:
3080 BlockdevOptions_queue
*bdo
;
3082 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3084 error_report_err(err
);
3088 bdo
= g_new(BlockdevOptions_queue
, 1);
3089 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3092 loc_save(&bdo
->loc
);
3093 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3096 case QEMU_OPTION_drive
:
3097 if (drive_def(optarg
) == NULL
) {
3101 case QEMU_OPTION_set
:
3102 if (qemu_set_option(optarg
) != 0)
3105 case QEMU_OPTION_global
:
3106 if (qemu_global_option(optarg
) != 0)
3109 case QEMU_OPTION_mtdblock
:
3110 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3112 case QEMU_OPTION_sd
:
3113 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3115 case QEMU_OPTION_pflash
:
3116 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3118 case QEMU_OPTION_snapshot
:
3121 case QEMU_OPTION_numa
:
3122 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3128 case QEMU_OPTION_display
:
3129 parse_display(optarg
);
3131 case QEMU_OPTION_nographic
:
3132 olist
= qemu_find_opts("machine");
3133 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3135 dpy
.type
= DISPLAY_TYPE_NONE
;
3137 case QEMU_OPTION_curses
:
3138 #ifdef CONFIG_CURSES
3139 dpy
.type
= DISPLAY_TYPE_CURSES
;
3141 error_report("curses support is disabled");
3145 case QEMU_OPTION_portrait
:
3146 graphic_rotate
= 90;
3148 case QEMU_OPTION_rotate
:
3149 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3150 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3151 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3152 error_report("only 90, 180, 270 deg rotation is available");
3156 case QEMU_OPTION_kernel
:
3157 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3160 case QEMU_OPTION_initrd
:
3161 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3164 case QEMU_OPTION_append
:
3165 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3168 case QEMU_OPTION_dtb
:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3172 case QEMU_OPTION_cdrom
:
3173 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3175 case QEMU_OPTION_boot
:
3176 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3182 case QEMU_OPTION_fda
:
3183 case QEMU_OPTION_fdb
:
3184 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3187 case QEMU_OPTION_no_fd_bootchk
:
3190 case QEMU_OPTION_netdev
:
3192 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3196 case QEMU_OPTION_nic
:
3198 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3202 case QEMU_OPTION_net
:
3204 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3208 #ifdef CONFIG_LIBISCSI
3209 case QEMU_OPTION_iscsi
:
3210 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3217 case QEMU_OPTION_bt
:
3218 add_device_config(DEV_BT
, optarg
);
3220 case QEMU_OPTION_audio_help
:
3224 case QEMU_OPTION_soundhw
:
3225 select_soundhw (optarg
);
3230 case QEMU_OPTION_version
:
3235 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3242 case QEMU_OPTION_tpmdev
:
3243 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3248 case QEMU_OPTION_mempath
:
3251 case QEMU_OPTION_mem_prealloc
:
3260 case QEMU_OPTION_DFILTER
:
3261 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3264 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3266 case QEMU_OPTION_gdb
:
3267 add_device_config(DEV_GDB
, optarg
);
3270 if (is_help_option(optarg
)) {
3271 list_data_dirs
= true;
3273 qemu_add_data_dir(optarg
);
3276 case QEMU_OPTION_bios
:
3277 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3280 case QEMU_OPTION_singlestep
:
3287 keyboard_layout
= optarg
;
3289 case QEMU_OPTION_vga
:
3298 w
= strtol(p
, (char **)&p
, 10);
3301 error_report("invalid resolution or depth");
3307 h
= strtol(p
, (char **)&p
, 10);
3312 depth
= strtol(p
, (char **)&p
, 10);
3313 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3314 depth
!= 24 && depth
!= 32)
3316 } else if (*p
== '\0') {
3317 depth
= graphic_depth
;
3324 graphic_depth
= depth
;
3327 case QEMU_OPTION_echr
:
3330 term_escape_char
= strtol(optarg
, &r
, 0);
3332 printf("Bad argument to echr\n");
3335 case QEMU_OPTION_monitor
:
3336 default_monitor
= 0;
3337 if (strncmp(optarg
, "none", 4)) {
3338 monitor_parse(optarg
, "readline", false);
3341 case QEMU_OPTION_qmp
:
3342 monitor_parse(optarg
, "control", false);
3343 default_monitor
= 0;
3345 case QEMU_OPTION_qmp_pretty
:
3346 monitor_parse(optarg
, "control", true);
3347 default_monitor
= 0;
3349 case QEMU_OPTION_mon
:
3350 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3355 default_monitor
= 0;
3357 case QEMU_OPTION_chardev
:
3358 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3364 case QEMU_OPTION_fsdev
:
3365 olist
= qemu_find_opts("fsdev");
3367 error_report("fsdev support is disabled");
3370 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3375 case QEMU_OPTION_virtfs
: {
3378 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3380 olist
= qemu_find_opts("virtfs");
3382 error_report("virtfs support is disabled");
3385 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3390 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3391 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3392 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3395 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3396 qemu_opts_id(opts
) ?:
3397 qemu_opt_get(opts
, "mount_tag"),
3400 error_report("duplicate or invalid fsdev id: %s",
3401 qemu_opt_get(opts
, "mount_tag"));
3405 writeout
= qemu_opt_get(opts
, "writeout");
3407 #ifdef CONFIG_SYNC_FILE_RANGE
3408 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3410 error_report("writeout=immediate not supported "
3411 "on this platform");
3415 qemu_opt_set(fsdev
, "fsdriver",
3416 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3417 path
= qemu_opt_get(opts
, "path");
3419 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3421 security_model
= qemu_opt_get(opts
, "security_model");
3422 if (security_model
) {
3423 qemu_opt_set(fsdev
, "security_model", security_model
,
3426 socket
= qemu_opt_get(opts
, "socket");
3428 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3430 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3432 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3435 qemu_opt_set_bool(fsdev
, "readonly",
3436 qemu_opt_get_bool(opts
, "readonly", 0),
3438 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3440 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3441 qemu_opt_set(device
, "fsdev",
3442 qemu_opts_id(fsdev
), &error_abort
);
3443 qemu_opt_set(device
, "mount_tag",
3444 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3447 case QEMU_OPTION_virtfs_synth
: {
3451 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3454 error_report("duplicate option: %s", "virtfs_synth");
3457 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3459 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3461 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3462 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3463 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3466 case QEMU_OPTION_serial
:
3467 add_device_config(DEV_SERIAL
, optarg
);
3469 if (strncmp(optarg
, "mon:", 4) == 0) {
3470 default_monitor
= 0;
3473 case QEMU_OPTION_watchdog
:
3475 error_report("only one watchdog option may be given");
3480 case QEMU_OPTION_watchdog_action
:
3481 if (select_watchdog_action(optarg
) == -1) {
3482 error_report("unknown -watchdog-action parameter");
3486 case QEMU_OPTION_virtiocon
:
3487 warn_report("This option is deprecated, "
3488 "use '-device virtconsole' instead");
3489 add_device_config(DEV_VIRTCON
, optarg
);
3490 default_virtcon
= 0;
3491 if (strncmp(optarg
, "mon:", 4) == 0) {
3492 default_monitor
= 0;
3495 case QEMU_OPTION_parallel
:
3496 add_device_config(DEV_PARALLEL
, optarg
);
3497 default_parallel
= 0;
3498 if (strncmp(optarg
, "mon:", 4) == 0) {
3499 default_monitor
= 0;
3502 case QEMU_OPTION_debugcon
:
3503 add_device_config(DEV_DEBUGCON
, optarg
);
3505 case QEMU_OPTION_loadvm
:
3508 case QEMU_OPTION_full_screen
:
3509 dpy
.has_full_screen
= true;
3510 dpy
.full_screen
= true;
3512 case QEMU_OPTION_no_frame
:
3513 g_printerr("The -no-frame switch is deprecated, and will be\n"
3514 "removed in a future release.\n");
3517 case QEMU_OPTION_alt_grab
:
3520 case QEMU_OPTION_ctrl_grab
:
3523 case QEMU_OPTION_no_quit
:
3524 dpy
.has_window_close
= true;
3525 dpy
.window_close
= false;
3527 case QEMU_OPTION_sdl
:
3529 dpy
.type
= DISPLAY_TYPE_SDL
;
3532 error_report("SDL support is disabled");
3535 case QEMU_OPTION_pidfile
:
3538 case QEMU_OPTION_win2k_hack
:
3539 win2k_install_hack
= 1;
3541 case QEMU_OPTION_acpitable
:
3542 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3547 acpi_table_add(opts
, &error_fatal
);
3549 case QEMU_OPTION_smbios
:
3550 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3555 smbios_entry_add(opts
, &error_fatal
);
3557 case QEMU_OPTION_fwcfg
:
3558 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3564 case QEMU_OPTION_preconfig
:
3565 preconfig_exit_requested
= false;
3567 case QEMU_OPTION_enable_kvm
:
3568 olist
= qemu_find_opts("machine");
3569 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3571 case QEMU_OPTION_enable_hax
:
3572 warn_report("Option is deprecated, use '-accel hax' instead");
3573 olist
= qemu_find_opts("machine");
3574 qemu_opts_parse_noisily(olist
, "accel=hax", false);
3577 case QEMU_OPTION_machine
:
3578 olist
= qemu_find_opts("machine");
3579 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3584 case QEMU_OPTION_no_kvm
:
3585 olist
= qemu_find_opts("machine");
3586 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3588 case QEMU_OPTION_accel
:
3589 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3591 optarg
= qemu_opt_get(accel_opts
, "accel");
3592 if (!optarg
|| is_help_option(optarg
)) {
3593 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3596 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3597 false, &error_abort
);
3598 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3600 case QEMU_OPTION_usb
:
3601 olist
= qemu_find_opts("machine");
3602 qemu_opts_parse_noisily(olist
, "usb=on", false);
3604 case QEMU_OPTION_usbdevice
:
3605 error_report("'-usbdevice' is deprecated, please use "
3606 "'-device usb-...' instead");
3607 olist
= qemu_find_opts("machine");
3608 qemu_opts_parse_noisily(olist
, "usb=on", false);
3609 add_device_config(DEV_USB
, optarg
);
3611 case QEMU_OPTION_device
:
3612 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3617 case QEMU_OPTION_smp
:
3618 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3623 case QEMU_OPTION_vnc
:
3624 vnc_parse(optarg
, &error_fatal
);
3626 case QEMU_OPTION_no_acpi
:
3629 case QEMU_OPTION_no_hpet
:
3632 case QEMU_OPTION_no_reboot
:
3635 case QEMU_OPTION_no_shutdown
:
3638 case QEMU_OPTION_show_cursor
:
3641 case QEMU_OPTION_uuid
:
3642 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3643 error_report("failed to parse UUID string: wrong format");
3646 qemu_uuid_set
= true;
3648 case QEMU_OPTION_option_rom
:
3649 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3650 error_report("too many option ROMs");
3653 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3658 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3659 option_rom
[nb_option_roms
].bootindex
=
3660 qemu_opt_get_number(opts
, "bootindex", -1);
3661 if (!option_rom
[nb_option_roms
].name
) {
3662 error_report("Option ROM file is not specified");
3667 case QEMU_OPTION_semihosting
:
3668 semihosting
.enabled
= true;
3669 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3671 case QEMU_OPTION_semihosting_config
:
3672 semihosting
.enabled
= true;
3673 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3676 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3678 const char *target
= qemu_opt_get(opts
, "target");
3679 if (target
!= NULL
) {
3680 if (strcmp("native", target
) == 0) {
3681 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3682 } else if (strcmp("gdb", target
) == 0) {
3683 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3684 } else if (strcmp("auto", target
) == 0) {
3685 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3687 error_report("unsupported semihosting-config %s",
3692 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3694 /* Set semihosting argument count and vector */
3695 qemu_opt_foreach(opts
, add_semihosting_arg
,
3696 &semihosting
, NULL
);
3698 error_report("unsupported semihosting-config %s", optarg
);
3702 case QEMU_OPTION_name
:
3703 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3709 case QEMU_OPTION_prom_env
:
3710 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3711 error_report("too many prom variables");
3714 prom_envs
[nb_prom_envs
] = optarg
;
3717 case QEMU_OPTION_old_param
:
3720 case QEMU_OPTION_clock
:
3721 /* Clock options no longer exist. Keep this option for
3722 * backward compatibility.
3724 warn_report("This option is ignored and will be removed soon");
3726 case QEMU_OPTION_rtc
:
3727 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3732 configure_rtc(opts
);
3734 case QEMU_OPTION_tb_size
:
3736 error_report("TCG is disabled");
3739 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3740 error_report("Invalid argument to -tb-size");
3744 case QEMU_OPTION_icount
:
3745 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3751 case QEMU_OPTION_incoming
:
3753 runstate_set(RUN_STATE_INMIGRATE
);
3757 case QEMU_OPTION_only_migratable
:
3759 * TODO: we can remove this option one day, and we
3762 * "-global migration.only-migratable=true"
3764 qemu_global_option("migration.only-migratable=true");
3766 case QEMU_OPTION_nodefaults
:
3769 case QEMU_OPTION_xen_domid
:
3770 if (!(xen_available())) {
3771 error_report("Option not supported for this target");
3774 xen_domid
= atoi(optarg
);
3776 case QEMU_OPTION_xen_create
:
3777 if (!(xen_available())) {
3778 error_report("Option not supported for this target");
3781 xen_mode
= XEN_CREATE
;
3783 case QEMU_OPTION_xen_attach
:
3784 if (!(xen_available())) {
3785 error_report("Option not supported for this target");
3788 xen_mode
= XEN_ATTACH
;
3790 case QEMU_OPTION_xen_domid_restrict
:
3791 if (!(xen_available())) {
3792 error_report("Option not supported for this target");
3795 xen_domid_restrict
= true;
3797 case QEMU_OPTION_trace
:
3799 trace_file
= trace_opt_parse(optarg
);
3801 case QEMU_OPTION_readconfig
:
3803 int ret
= qemu_read_config_file(optarg
);
3805 error_report("read config %s: %s", optarg
,
3811 case QEMU_OPTION_spice
:
3812 olist
= qemu_find_opts("spice");
3814 error_report("spice support is disabled");
3817 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3823 case QEMU_OPTION_writeconfig
:
3826 if (strcmp(optarg
, "-") == 0) {
3829 fp
= fopen(optarg
, "w");
3831 error_report("open %s: %s", optarg
,
3836 qemu_config_write(fp
);
3842 case QEMU_OPTION_qtest
:
3843 qtest_chrdev
= optarg
;
3845 case QEMU_OPTION_qtest_log
:
3848 case QEMU_OPTION_sandbox
:
3849 #ifdef CONFIG_SECCOMP
3850 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3856 error_report("-sandbox support is not enabled "
3857 "in this QEMU binary");
3861 case QEMU_OPTION_add_fd
:
3863 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3869 error_report("File descriptor passing is disabled on this "
3874 case QEMU_OPTION_object
:
3875 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3881 case QEMU_OPTION_realtime
:
3882 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3887 /* Don't override the -overcommit option if set */
3888 enable_mlock
= enable_mlock
||
3889 qemu_opt_get_bool(opts
, "mlock", true);
3891 case QEMU_OPTION_overcommit
:
3892 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3897 /* Don't override the -realtime option if set */
3898 enable_mlock
= enable_mlock
||
3899 qemu_opt_get_bool(opts
, "mem-lock", false);
3900 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3902 case QEMU_OPTION_msg
:
3903 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3908 configure_msg(opts
);
3910 case QEMU_OPTION_dump_vmstate
:
3911 if (vmstate_dump_file
) {
3912 error_report("only one '-dump-vmstate' "
3913 "option may be given");
3916 vmstate_dump_file
= fopen(optarg
, "w");
3917 if (vmstate_dump_file
== NULL
) {
3918 error_report("open %s: %s", optarg
, strerror(errno
));
3922 case QEMU_OPTION_enable_sync_profile
:
3925 case QEMU_OPTION_nouserconfig
:
3926 /* Nothing to be parsed here. Especially, do not error out below. */
3929 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3930 error_report("Option not supported in this build");
3937 * Clear error location left behind by the loop.
3938 * Best done right after the loop. Do not insert code here!
3942 replay_configure(icount_opts
);
3944 if (incoming
&& !preconfig_exit_requested
) {
3945 error_report("'preconfig' and 'incoming' options are "
3946 "mutually exclusive");
3950 machine_class
= select_machine();
3952 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3955 rcu_disable_atfork();
3957 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3958 error_reportf_err(err
, "cannot create PID file: ");
3962 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3963 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3965 if (qemu_init_main_loop(&main_loop_err
)) {
3966 error_report_err(main_loop_err
);
3970 #ifdef CONFIG_SECCOMP
3971 olist
= qemu_find_opts_err("sandbox", NULL
);
3973 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3977 qemu_opts_foreach(qemu_find_opts("name"),
3978 parse_name
, NULL
, &error_fatal
);
3981 qemu_opts_foreach(qemu_find_opts("add-fd"),
3982 parse_add_fd
, NULL
, &error_fatal
);
3984 qemu_opts_foreach(qemu_find_opts("add-fd"),
3985 cleanup_add_fd
, NULL
, &error_fatal
);
3988 current_machine
= MACHINE(object_new(object_class_get_name(
3989 OBJECT_CLASS(machine_class
))));
3990 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3993 object_property_add_child(object_get_root(), "machine",
3994 OBJECT(current_machine
), &error_abort
);
3996 if (machine_class
->minimum_page_bits
) {
3997 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3998 /* This would be a board error: specifying a minimum smaller than
3999 * a target's compile-time fixed setting.
4001 g_assert_not_reached();
4005 cpu_exec_init_all();
4007 if (machine_class
->hw_version
) {
4008 qemu_set_hw_version(machine_class
->hw_version
);
4011 if (cpu_model
&& is_help_option(cpu_model
)) {
4012 list_cpus(stdout
, &fprintf
, cpu_model
);
4016 if (!trace_init_backends()) {
4019 trace_init_file(trace_file
);
4021 /* Open the logfile at this point and set the log mask if necessary.
4024 qemu_set_log_filename(log_file
, &error_fatal
);
4029 mask
= qemu_str_to_log_mask(log_mask
);
4031 qemu_print_log_usage(stdout
);
4039 /* add configured firmware directories */
4040 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4041 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4042 qemu_add_data_dir(dirs
[i
]);
4046 /* try to find datadir relative to the executable path */
4047 dir
= os_find_datadir();
4048 qemu_add_data_dir(dir
);
4051 /* add the datadir specified when building */
4052 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4054 /* -L help lists the data directories and exits. */
4055 if (list_data_dirs
) {
4056 for (i
= 0; i
< data_dir_idx
; i
++) {
4057 printf("%s\n", data_dir
[i
]);
4062 /* machine_class: default to UP */
4063 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4064 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4065 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4067 /* default to machine_class->default_cpus */
4068 smp_cpus
= machine_class
->default_cpus
;
4069 max_cpus
= machine_class
->default_cpus
;
4071 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4073 /* sanity-check smp_cpus and max_cpus against machine_class */
4074 if (smp_cpus
< machine_class
->min_cpus
) {
4075 error_report("Invalid SMP CPUs %d. The min CPUs "
4076 "supported by machine '%s' is %d", smp_cpus
,
4077 machine_class
->name
, machine_class
->min_cpus
);
4080 if (max_cpus
> machine_class
->max_cpus
) {
4081 error_report("Invalid SMP CPUs %d. The max CPUs "
4082 "supported by machine '%s' is %d", max_cpus
,
4083 machine_class
->name
, machine_class
->max_cpus
);
4088 * Get the default machine options from the machine if it is not already
4089 * specified either by the configuration file or by the command line.
4091 if (machine_class
->default_machine_opts
) {
4092 qemu_opts_set_defaults(qemu_find_opts("machine"),
4093 machine_class
->default_machine_opts
, 0);
4096 qemu_opts_foreach(qemu_find_opts("device"),
4097 default_driver_check
, NULL
, NULL
);
4098 qemu_opts_foreach(qemu_find_opts("global"),
4099 default_driver_check
, NULL
, NULL
);
4101 if (!vga_model
&& !default_vga
) {
4102 vga_interface_type
= VGA_DEVICE
;
4104 if (!has_defaults
|| machine_class
->no_serial
) {
4107 if (!has_defaults
|| machine_class
->no_parallel
) {
4108 default_parallel
= 0;
4110 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4111 default_virtcon
= 0;
4113 if (!has_defaults
|| machine_class
->no_floppy
) {
4116 if (!has_defaults
|| machine_class
->no_cdrom
) {
4119 if (!has_defaults
|| machine_class
->no_sdcard
) {
4122 if (!has_defaults
) {
4123 default_monitor
= 0;
4128 if (is_daemonized()) {
4129 if (!preconfig_exit_requested
) {
4130 error_report("'preconfig' and 'daemonize' options are "
4131 "mutually exclusive");
4135 /* According to documentation and historically, -nographic redirects
4136 * serial port, parallel port and monitor to stdio, which does not work
4137 * with -daemonize. We can redirect these to null instead, but since
4138 * -nographic is legacy, let's just error out.
4139 * We disallow -nographic only if all other ports are not redirected
4140 * explicitly, to not break existing legacy setups which uses
4141 * -nographic _and_ redirects all ports explicitly - this is valid
4142 * usage, -nographic is just a no-op in this case.
4145 && (default_parallel
|| default_serial
4146 || default_monitor
|| default_virtcon
)) {
4147 error_report("-nographic cannot be used with -daemonize");
4150 #ifdef CONFIG_CURSES
4151 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4152 error_report("curses display cannot be used with -daemonize");
4159 if (default_parallel
)
4160 add_device_config(DEV_PARALLEL
, "null");
4161 if (default_serial
&& default_monitor
) {
4162 add_device_config(DEV_SERIAL
, "mon:stdio");
4163 } else if (default_virtcon
&& default_monitor
) {
4164 add_device_config(DEV_VIRTCON
, "mon:stdio");
4167 add_device_config(DEV_SERIAL
, "stdio");
4168 if (default_virtcon
)
4169 add_device_config(DEV_VIRTCON
, "stdio");
4170 if (default_monitor
)
4171 monitor_parse("stdio", "readline", false);
4175 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4176 if (default_parallel
)
4177 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4178 if (default_monitor
)
4179 monitor_parse("vc:80Cx24C", "readline", false);
4180 if (default_virtcon
)
4181 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4184 #if defined(CONFIG_VNC)
4185 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4189 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4190 if (!qemu_display_find_default(&dpy
)) {
4191 dpy
.type
= DISPLAY_TYPE_NONE
;
4192 #if defined(CONFIG_VNC)
4193 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4197 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4198 dpy
.type
= DISPLAY_TYPE_NONE
;
4201 if ((no_frame
|| alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4202 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4203 "for SDL, ignoring option");
4205 if (dpy
.has_window_close
&&
4206 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4207 error_report("-no-quit is only valid for GTK and SDL, "
4211 qemu_display_early_init(&dpy
);
4212 qemu_console_early_init();
4214 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4215 #if defined(CONFIG_OPENGL)
4216 error_report("OpenGL is not supported by the display");
4218 error_report("OpenGL support is disabled");
4226 qemu_opts_foreach(qemu_find_opts("object"),
4227 user_creatable_add_opts_foreach
,
4228 object_create_initial
, &error_fatal
);
4230 qemu_opts_foreach(qemu_find_opts("chardev"),
4231 chardev_init_func
, NULL
, &error_fatal
);
4233 #ifdef CONFIG_VIRTFS
4234 qemu_opts_foreach(qemu_find_opts("fsdev"),
4235 fsdev_init_func
, NULL
, &error_fatal
);
4238 if (qemu_opts_foreach(qemu_find_opts("device"),
4239 device_help_func
, NULL
, NULL
)) {
4243 machine_opts
= qemu_get_machine_opts();
4244 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4247 configure_accelerator(current_machine
);
4249 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4250 error_report("Machine type '%s' is deprecated: %s",
4251 machine_class
->name
, machine_class
->deprecation_reason
);
4255 * Register all the global properties, including accel properties,
4256 * machine properties, and user-specified ones.
4258 register_global_properties(current_machine
);
4261 * Migration object can only be created after global properties
4262 * are applied correctly.
4264 migration_object_init();
4267 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4270 machine_opts
= qemu_get_machine_opts();
4271 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4272 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4273 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4274 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4276 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4278 boot_order
= qemu_opt_get(opts
, "order");
4280 validate_bootdevices(boot_order
, &error_fatal
);
4283 boot_once
= qemu_opt_get(opts
, "once");
4285 validate_bootdevices(boot_once
, &error_fatal
);
4288 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4289 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4293 boot_order
= machine_class
->default_boot_order
;
4296 if (!kernel_cmdline
) {
4297 kernel_cmdline
= "";
4298 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4301 linux_boot
= (kernel_filename
!= NULL
);
4303 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4304 error_report("-append only allowed with -kernel option");
4308 if (!linux_boot
&& initrd_filename
!= NULL
) {
4309 error_report("-initrd only allowed with -kernel option");
4313 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4314 /* fall back to the -kernel/-append */
4315 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4318 os_set_line_buffering();
4320 /* spice needs the timers to be initialized by this point */
4325 if (!tcg_enabled()) {
4326 error_report("-icount is not allowed with hardware virtualization");
4329 configure_icount(icount_opts
, &error_abort
);
4330 qemu_opts_del(icount_opts
);
4333 if (tcg_enabled()) {
4334 qemu_tcg_configure(accel_opts
, &error_fatal
);
4338 QemuOptsList
*net
= qemu_find_opts("net");
4339 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4341 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4347 if (net_init_clients(&err
) < 0) {
4348 error_report_err(err
);
4352 qemu_opts_foreach(qemu_find_opts("object"),
4353 user_creatable_add_opts_foreach
,
4354 object_create_delayed
, &error_fatal
);
4358 /* init the bluetooth world */
4359 if (foreach_device_config(DEV_BT
, bt_parse
))
4362 if (!xen_enabled()) {
4363 /* On 32-bit hosts, QEMU is limited by virtual address space */
4364 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4365 error_report("at most 2047 MB RAM can be simulated");
4372 dirty_bitmap_mig_init();
4374 /* If the currently selected machine wishes to override the units-per-bus
4375 * property of its default HBA interface type, do so now. */
4376 if (machine_class
->units_per_default_bus
) {
4377 override_max_devs(machine_class
->block_default_type
,
4378 machine_class
->units_per_default_bus
);
4381 /* open the virtual block devices */
4382 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4383 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4385 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4386 loc_push_restore(&bdo
->loc
);
4387 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4389 qapi_free_BlockdevOptions(bdo
->bdo
);
4392 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4393 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4396 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4397 &machine_class
->block_default_type
, &error_fatal
)) {
4398 /* We printed help */
4402 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4404 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4405 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4407 qemu_opts_foreach(qemu_find_opts("mon"),
4408 mon_init_func
, NULL
, &error_fatal
);
4410 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4412 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4414 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4416 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4419 /* If no default VGA is requested, the default is "none". */
4421 if (machine_class
->default_display
) {
4422 vga_model
= machine_class
->default_display
;
4423 } else if (vga_interface_available(VGA_CIRRUS
)) {
4424 vga_model
= "cirrus";
4425 } else if (vga_interface_available(VGA_STD
)) {
4430 select_vgahw(vga_model
);
4434 i
= select_watchdog(watchdog
);
4436 exit (i
== 1 ? 1 : 0);
4439 /* This checkpoint is required by replay to separate prior clock
4440 reading from the other reads, because timer polling functions query
4441 clock values from the log. */
4442 replay_checkpoint(CHECKPOINT_INIT
);
4443 qdev_machine_init();
4445 current_machine
->ram_size
= ram_size
;
4446 current_machine
->maxram_size
= maxram_size
;
4447 current_machine
->ram_slots
= ram_slots
;
4448 current_machine
->boot_order
= boot_order
;
4450 /* parse features once if machine provides default cpu_type */
4451 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4453 current_machine
->cpu_type
= parse_cpu_model(cpu_model
);
4455 parse_numa_opts(current_machine
);
4457 /* do monitor/qmp handling at preconfig state if requested */
4460 /* from here on runstate is RUN_STATE_PRELAUNCH */
4461 machine_run_board_init(current_machine
);
4467 if (hax_enabled()) {
4471 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4472 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4474 /* init USB devices */
4475 if (machine_usb(current_machine
)) {
4476 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4480 /* Check if IGD GFX passthrough. */
4483 /* init generic devices */
4484 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4485 qemu_opts_foreach(qemu_find_opts("device"),
4486 device_init_func
, NULL
, &error_fatal
);
4488 cpu_synchronize_all_post_init();
4490 rom_reset_order_override();
4492 /* Did we create any drives that we failed to create a device for? */
4493 drive_check_orphaned();
4495 /* Don't warn about the default network setup that you get if
4496 * no command line -net or -netdev options are specified. There
4497 * are two cases that we would otherwise complain about:
4498 * (1) board doesn't support a NIC but the implicit "-net nic"
4500 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4501 * sets up a nic that isn't connected to anything.
4503 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4504 net_check_clients();
4508 qemu_boot_set(boot_once
, &error_fatal
);
4509 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4512 /* init local displays */
4513 ds
= init_displaystate();
4514 qemu_display_init(ds
, &dpy
);
4516 /* must be after terminal init, SDL library changes signal handlers */
4517 os_setup_signal_handling();
4519 /* init remote displays */
4521 qemu_opts_foreach(qemu_find_opts("vnc"),
4522 vnc_init_func
, NULL
, &error_fatal
);
4526 qemu_spice_display_init();
4529 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4533 qdev_machine_creation_done();
4535 /* TODO: once all bus devices are qdevified, this should be done
4536 * when bus is created by qdev.c */
4537 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4538 qemu_run_machine_init_done_notifiers();
4540 if (rom_check_and_register_reset() != 0) {
4541 error_report("rom check and register reset failed");
4547 /* This checkpoint is required by replay to separate prior clock
4548 reading from the other reads, because timer polling functions query
4549 clock values from the log. */
4550 replay_checkpoint(CHECKPOINT_RESET
);
4551 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4552 register_global_state();
4554 Error
*local_err
= NULL
;
4555 if (load_snapshot(loadvm
, &local_err
) < 0) {
4556 error_report_err(local_err
);
4561 if (replay_mode
!= REPLAY_MODE_NONE
) {
4562 replay_vmstate_init();
4565 qdev_prop_check_globals();
4566 if (vmstate_dump_file
) {
4568 dump_vmstate_json_to_file(vmstate_dump_file
);
4573 Error
*local_err
= NULL
;
4574 qemu_start_incoming_migration(incoming
, &local_err
);
4576 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4579 } else if (autostart
) {
4583 accel_setup_post(current_machine
);
4588 gdbserver_cleanup();
4590 /* No more vcpu or device emulation activity beyond this point */
4593 job_cancel_sync_all();
4598 /* vhost-user must be cleaned up before chardevs. */
4604 user_creatable_cleanup();
4605 migration_object_finalize();
4606 /* TODO: unref root container, check all devices are ok */