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
, int legacy
)
828 time_t rtc_start_date
;
831 if (!strcmp(startdate
, "now") && legacy
) {
832 rtc_date_offset
= -1;
834 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
842 } else if (sscanf(startdate
, "%d-%d-%d",
854 rtc_start_date
= mktimegm(&tm
);
855 if (rtc_start_date
== -1) {
857 error_report("invalid date format");
858 error_printf("valid formats: "
859 "'2006-06-17T16:01:21' or '2006-06-17'\n");
862 rtc_date_offset
= qemu_time() - rtc_start_date
;
866 static void configure_rtc(QemuOpts
*opts
)
870 value
= qemu_opt_get(opts
, "base");
872 if (!strcmp(value
, "utc")) {
874 } else if (!strcmp(value
, "localtime")) {
875 Error
*blocker
= NULL
;
877 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
878 "-rtc base=localtime");
879 replay_add_blocker(blocker
);
881 configure_rtc_date_offset(value
, 0);
884 value
= qemu_opt_get(opts
, "clock");
886 if (!strcmp(value
, "host")) {
887 rtc_clock
= QEMU_CLOCK_HOST
;
888 } else if (!strcmp(value
, "rt")) {
889 rtc_clock
= QEMU_CLOCK_REALTIME
;
890 } else if (!strcmp(value
, "vm")) {
891 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
893 error_report("invalid option value '%s'", value
);
897 value
= qemu_opt_get(opts
, "driftfix");
899 if (!strcmp(value
, "slew")) {
900 static GlobalProperty slew_lost_ticks
= {
901 .driver
= "mc146818rtc",
902 .property
= "lost_tick_policy",
906 qdev_prop_register_global(&slew_lost_ticks
);
907 } else if (!strcmp(value
, "none")) {
908 /* discard is default */
910 error_report("invalid option value '%s'", value
);
916 /***********************************************************/
917 /* Bluetooth support */
920 static struct HCIInfo
*hci_table
[MAX_NICS
];
922 struct HCIInfo
*qemu_next_hci(void)
924 if (cur_hci
== nb_hcis
)
927 return hci_table
[cur_hci
++];
930 static int bt_hci_parse(const char *str
)
935 if (nb_hcis
>= MAX_NICS
) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
949 bdaddr
.b
[5] = 0x56 + nb_hcis
;
950 hci
->bdaddr_set(hci
, bdaddr
.b
);
952 hci_table
[nb_hcis
++] = hci
;
957 static void bt_vhci_add(int vlan_id
)
959 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
962 warn_report("adding a VHCI to an empty scatternet %i",
965 bt_vhci_init(bt_new_hci(vlan
));
968 static struct bt_device_s
*bt_device_add(const char *opt
)
970 struct bt_scatternet_s
*vlan
;
972 char *endp
= strstr(opt
, ",vlan=");
973 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
976 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
979 vlan_id
= strtol(endp
+ 6, &endp
, 0);
981 error_report("unrecognised bluetooth vlan Id");
986 vlan
= qemu_find_bt_vlan(vlan_id
);
989 warn_report("adding a slave device to an empty scatternet %i",
992 if (!strcmp(devname
, "keyboard"))
993 return bt_keyboard_init(vlan
);
995 error_report("unsupported bluetooth device '%s'", devname
);
999 static int bt_parse(const char *opt
)
1001 const char *endp
, *p
;
1004 if (strstart(opt
, "hci", &endp
)) {
1005 if (!*endp
|| *endp
== ',') {
1007 if (!strstart(endp
, ",vlan=", 0))
1010 return bt_hci_parse(opt
);
1012 } else if (strstart(opt
, "vhci", &endp
)) {
1013 if (!*endp
|| *endp
== ',') {
1015 if (strstart(endp
, ",vlan=", &p
)) {
1016 vlan
= strtol(p
, (char **) &endp
, 0);
1018 error_report("bad scatternet '%s'", p
);
1022 error_report("bad parameter '%s'", endp
+ 1);
1031 } else if (strstart(opt
, "device:", &endp
))
1032 return !bt_device_add(endp
);
1034 error_report("bad bluetooth parameter '%s'", opt
);
1038 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1040 const char *proc_name
;
1042 if (qemu_opt_get(opts
, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1045 qemu_name
= qemu_opt_get(opts
, "guest");
1047 proc_name
= qemu_opt_get(opts
, "process");
1049 os_set_proc_name(proc_name
);
1055 bool defaults_enabled(void)
1057 return has_defaults
;
1061 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1063 int fd
, dupfd
, flags
;
1065 const char *fd_opaque
= NULL
;
1068 fd
= qemu_opt_get_number(opts
, "fd", -1);
1069 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1070 fd_opaque
= qemu_opt_get(opts
, "opaque");
1073 error_report("fd option is required and must be non-negative");
1077 if (fd
<= STDERR_FILENO
) {
1078 error_report("fd cannot be a standard I/O stream");
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1086 flags
= fcntl(fd
, F_GETFD
);
1087 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1088 error_report("fd is not valid or already in use");
1093 error_report("set option is required and must be non-negative");
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1102 qemu_set_cloexec(dupfd
);
1106 error_report("error duplicating fd: %s", strerror(errno
));
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1118 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1122 fd
= qemu_opt_get_number(opts
, "fd", -1);
1129 /***********************************************************/
1130 /* QEMU Block devices */
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1135 #define PFLASH_OPTS ""
1139 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1141 BlockInterfaceType
*block_default_type
= opaque
;
1143 return drive_new(opts
, *block_default_type
) == NULL
;
1146 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1148 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1149 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1154 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1155 int index
, const char *optstr
)
1160 if (!enable
|| drive_get_by_index(type
, index
)) {
1164 opts
= drive_add(type
, index
, NULL
, optstr
);
1166 drive_enable_snapshot(NULL
, opts
, NULL
);
1169 dinfo
= drive_new(opts
, type
);
1173 dinfo
->is_default
= true;
1177 static QemuOptsList qemu_smp_opts
= {
1179 .implied_opt_name
= "cpus",
1180 .merge_lists
= true,
1181 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1185 .type
= QEMU_OPT_NUMBER
,
1188 .type
= QEMU_OPT_NUMBER
,
1191 .type
= QEMU_OPT_NUMBER
,
1194 .type
= QEMU_OPT_NUMBER
,
1197 .type
= QEMU_OPT_NUMBER
,
1199 { /*End of list */ }
1203 static void smp_parse(QemuOpts
*opts
)
1206 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1207 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1208 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1209 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1211 /* compute missing values, prefer sockets over cores over threads */
1212 if (cpus
== 0 || sockets
== 0) {
1213 sockets
= sockets
> 0 ? sockets
: 1;
1214 cores
= cores
> 0 ? cores
: 1;
1215 threads
= threads
> 0 ? threads
: 1;
1217 cpus
= cores
* threads
* sockets
;
1219 } else if (cores
== 0) {
1220 threads
= threads
> 0 ? threads
: 1;
1221 cores
= cpus
/ (sockets
* threads
);
1222 cores
= cores
> 0 ? cores
: 1;
1223 } else if (threads
== 0) {
1224 threads
= cpus
/ (cores
* sockets
);
1225 threads
= threads
> 0 ? threads
: 1;
1226 } else if (sockets
* cores
* threads
< cpus
) {
1227 error_report("cpu topology: "
1228 "sockets (%u) * cores (%u) * threads (%u) < "
1230 sockets
, cores
, threads
, cpus
);
1234 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1236 if (max_cpus
< cpus
) {
1237 error_report("maxcpus must be equal to or greater than smp");
1241 if (sockets
* cores
* threads
> max_cpus
) {
1242 error_report("cpu topology: "
1243 "sockets (%u) * cores (%u) * threads (%u) > "
1245 sockets
, cores
, threads
, max_cpus
);
1251 smp_threads
= threads
;
1255 Error
*blocker
= NULL
;
1256 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1257 replay_add_blocker(blocker
);
1261 static void realtime_init(void)
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1272 static void configure_msg(QemuOpts
*opts
)
1274 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1277 /***********************************************************/
1280 typedef struct SemihostingConfig
{
1282 SemihostingTarget target
;
1285 const char *cmdline
; /* concatenated argv */
1286 } SemihostingConfig
;
1288 static SemihostingConfig semihosting
;
1290 bool semihosting_enabled(void)
1292 return semihosting
.enabled
;
1295 SemihostingTarget
semihosting_get_target(void)
1297 return semihosting
.target
;
1300 const char *semihosting_get_arg(int i
)
1302 if (i
>= semihosting
.argc
) {
1305 return semihosting
.argv
[i
];
1308 int semihosting_get_argc(void)
1310 return semihosting
.argc
;
1313 const char *semihosting_get_cmdline(void)
1315 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1316 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1318 return semihosting
.cmdline
;
1321 static int add_semihosting_arg(void *opaque
,
1322 const char *name
, const char *val
,
1325 SemihostingConfig
*s
= opaque
;
1326 if (strcmp(name
, "arg") == 0) {
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1330 s
->argv
[s
->argc
- 1] = val
;
1331 s
->argv
[s
->argc
] = NULL
;
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1342 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token
= strtok(g_strdup(cmd
), " ");
1347 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1348 cmd_token
= strtok(NULL
, " ");
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru
;
1354 static void igd_gfx_passthru(void)
1356 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1359 /***********************************************************/
1362 static int usb_device_add(const char *devname
)
1364 USBDevice
*dev
= NULL
;
1366 if (!machine_usb(current_machine
)) {
1370 dev
= usbdevice_create(devname
);
1377 static int usb_parse(const char *cmdline
)
1380 r
= usb_device_add(cmdline
);
1382 error_report("could not add USB device '%s'", cmdline
);
1387 /***********************************************************/
1388 /* machine registration */
1390 MachineState
*current_machine
;
1392 static MachineClass
*find_machine(const char *name
)
1394 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1395 MachineClass
*mc
= NULL
;
1397 for (el
= machines
; el
; el
= el
->next
) {
1398 MachineClass
*temp
= el
->data
;
1400 if (!strcmp(temp
->name
, name
)) {
1405 !strcmp(temp
->alias
, name
)) {
1411 g_slist_free(machines
);
1415 MachineClass
*find_default_machine(void)
1417 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1418 MachineClass
*mc
= NULL
;
1420 for (el
= machines
; el
; el
= el
->next
) {
1421 MachineClass
*temp
= el
->data
;
1423 if (temp
->is_default
) {
1429 g_slist_free(machines
);
1433 MachineInfoList
*qmp_query_machines(Error
**errp
)
1435 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1436 MachineInfoList
*mach_list
= NULL
;
1438 for (el
= machines
; el
; el
= el
->next
) {
1439 MachineClass
*mc
= el
->data
;
1440 MachineInfoList
*entry
;
1443 info
= g_malloc0(sizeof(*info
));
1444 if (mc
->is_default
) {
1445 info
->has_is_default
= true;
1446 info
->is_default
= true;
1450 info
->has_alias
= true;
1451 info
->alias
= g_strdup(mc
->alias
);
1454 info
->name
= g_strdup(mc
->name
);
1455 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1456 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1458 entry
= g_malloc0(sizeof(*entry
));
1459 entry
->value
= info
;
1460 entry
->next
= mach_list
;
1464 g_slist_free(machines
);
1468 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1470 ObjectProperty
*prop
;
1471 ObjectPropertyIterator iter
;
1473 if (!qemu_opt_has_help_opt(opts
)) {
1477 object_property_iter_init(&iter
, OBJECT(machine
));
1478 while ((prop
= object_property_iter_next(&iter
))) {
1483 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1484 prop
->name
, prop
->type
);
1485 if (prop
->description
) {
1486 error_printf(" (%s)\n", prop
->description
);
1495 /***********************************************************/
1496 /* main execution loop */
1498 struct vm_change_state_entry
{
1499 VMChangeStateHandler
*cb
;
1501 QLIST_ENTRY (vm_change_state_entry
) entries
;
1504 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1506 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1509 VMChangeStateEntry
*e
;
1511 e
= g_malloc0(sizeof (*e
));
1515 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1519 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1521 QLIST_REMOVE (e
, entries
);
1525 void vm_state_notify(int running
, RunState state
)
1527 VMChangeStateEntry
*e
, *next
;
1529 trace_vm_state_notify(running
, state
);
1531 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1532 e
->cb(e
->opaque
, running
, state
);
1536 static ShutdownCause reset_requested
;
1537 static ShutdownCause shutdown_requested
;
1538 static int shutdown_signal
;
1539 static pid_t shutdown_pid
;
1540 static int powerdown_requested
;
1541 static int debug_requested
;
1542 static int suspend_requested
;
1543 static bool preconfig_exit_requested
= true;
1544 static WakeupReason wakeup_reason
;
1545 static NotifierList powerdown_notifiers
=
1546 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1547 static NotifierList suspend_notifiers
=
1548 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1549 static NotifierList wakeup_notifiers
=
1550 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1551 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1553 ShutdownCause
qemu_shutdown_requested_get(void)
1555 return shutdown_requested
;
1558 ShutdownCause
qemu_reset_requested_get(void)
1560 return reset_requested
;
1563 static int qemu_shutdown_requested(void)
1565 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1568 static void qemu_kill_report(void)
1570 if (!qtest_driver() && shutdown_signal
) {
1571 if (shutdown_pid
== 0) {
1572 /* This happens for eg ^C at the terminal, so it's worth
1573 * avoiding printing an odd message in that case.
1575 error_report("terminating on signal %d", shutdown_signal
);
1577 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1579 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1580 shutdown_signal
, shutdown_pid
,
1581 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1582 g_free(shutdown_cmd
);
1584 shutdown_signal
= 0;
1588 static ShutdownCause
qemu_reset_requested(void)
1590 ShutdownCause r
= reset_requested
;
1592 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1593 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1596 return SHUTDOWN_CAUSE_NONE
;
1599 static int qemu_suspend_requested(void)
1601 int r
= suspend_requested
;
1602 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1603 suspend_requested
= 0;
1609 static WakeupReason
qemu_wakeup_requested(void)
1611 return wakeup_reason
;
1614 static int qemu_powerdown_requested(void)
1616 int r
= powerdown_requested
;
1617 powerdown_requested
= 0;
1621 static int qemu_debug_requested(void)
1623 int r
= debug_requested
;
1624 debug_requested
= 0;
1628 void qemu_exit_preconfig_request(void)
1630 preconfig_exit_requested
= true;
1634 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1636 void qemu_system_reset(ShutdownCause reason
)
1640 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1642 cpu_synchronize_all_states();
1644 if (mc
&& mc
->reset
) {
1647 qemu_devices_reset();
1649 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1650 qapi_event_send_reset(shutdown_caused_by_guest(reason
),
1653 cpu_synchronize_all_post_reset();
1656 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1658 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1661 current_cpu
->crash_occurred
= true;
1663 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1664 !!info
, info
, &error_abort
);
1665 vm_stop(RUN_STATE_GUEST_PANICKED
);
1667 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1668 !!info
, info
, &error_abort
);
1669 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1673 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1674 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1675 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1676 info
->u
.hyper_v
.arg1
,
1677 info
->u
.hyper_v
.arg2
,
1678 info
->u
.hyper_v
.arg3
,
1679 info
->u
.hyper_v
.arg4
,
1680 info
->u
.hyper_v
.arg5
);
1681 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1682 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1683 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1685 S390CrashReason_str(info
->u
.s390
.reason
),
1686 info
->u
.s390
.psw_mask
,
1687 info
->u
.s390
.psw_addr
);
1689 qapi_free_GuestPanicInformation(info
);
1693 void qemu_system_reset_request(ShutdownCause reason
)
1695 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1696 shutdown_requested
= reason
;
1698 reset_requested
= reason
;
1701 qemu_notify_event();
1704 static void qemu_system_suspend(void)
1707 notifier_list_notify(&suspend_notifiers
, NULL
);
1708 runstate_set(RUN_STATE_SUSPENDED
);
1709 qapi_event_send_suspend(&error_abort
);
1712 void qemu_system_suspend_request(void)
1714 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1717 suspend_requested
= 1;
1719 qemu_notify_event();
1722 void qemu_register_suspend_notifier(Notifier
*notifier
)
1724 notifier_list_add(&suspend_notifiers
, notifier
);
1727 void qemu_system_wakeup_request(WakeupReason reason
)
1729 trace_system_wakeup_request(reason
);
1731 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1734 if (!(wakeup_reason_mask
& (1 << reason
))) {
1737 runstate_set(RUN_STATE_RUNNING
);
1738 wakeup_reason
= reason
;
1739 qemu_notify_event();
1742 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1745 wakeup_reason_mask
|= (1 << reason
);
1747 wakeup_reason_mask
&= ~(1 << reason
);
1751 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1753 notifier_list_add(&wakeup_notifiers
, notifier
);
1756 void qemu_system_killed(int signal
, pid_t pid
)
1758 shutdown_signal
= signal
;
1762 /* Cannot call qemu_system_shutdown_request directly because
1763 * we are in a signal handler.
1765 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1766 qemu_notify_event();
1769 void qemu_system_shutdown_request(ShutdownCause reason
)
1771 trace_qemu_system_shutdown_request(reason
);
1772 replay_shutdown_request(reason
);
1773 shutdown_requested
= reason
;
1774 qemu_notify_event();
1777 static void qemu_system_powerdown(void)
1779 qapi_event_send_powerdown(&error_abort
);
1780 notifier_list_notify(&powerdown_notifiers
, NULL
);
1783 void qemu_system_powerdown_request(void)
1785 trace_qemu_system_powerdown_request();
1786 powerdown_requested
= 1;
1787 qemu_notify_event();
1790 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1792 notifier_list_add(&powerdown_notifiers
, notifier
);
1795 void qemu_system_debug_request(void)
1797 debug_requested
= 1;
1798 qemu_notify_event();
1801 static bool main_loop_should_exit(void)
1804 ShutdownCause request
;
1806 if (preconfig_exit_requested
) {
1807 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1808 runstate_set(RUN_STATE_PRELAUNCH
);
1810 preconfig_exit_requested
= false;
1813 if (qemu_debug_requested()) {
1814 vm_stop(RUN_STATE_DEBUG
);
1816 if (qemu_suspend_requested()) {
1817 qemu_system_suspend();
1819 request
= qemu_shutdown_requested();
1822 qapi_event_send_shutdown(shutdown_caused_by_guest(request
),
1825 vm_stop(RUN_STATE_SHUTDOWN
);
1830 request
= qemu_reset_requested();
1833 qemu_system_reset(request
);
1835 if (!runstate_check(RUN_STATE_RUNNING
) &&
1836 !runstate_check(RUN_STATE_INMIGRATE
)) {
1837 runstate_set(RUN_STATE_PRELAUNCH
);
1840 if (qemu_wakeup_requested()) {
1842 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1843 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1844 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1846 qapi_event_send_wakeup(&error_abort
);
1848 if (qemu_powerdown_requested()) {
1849 qemu_system_powerdown();
1851 if (qemu_vmstop_requested(&r
)) {
1857 static void main_loop(void)
1859 #ifdef CONFIG_PROFILER
1862 while (!main_loop_should_exit()) {
1863 #ifdef CONFIG_PROFILER
1864 ti
= profile_getclock();
1866 main_loop_wait(false);
1867 #ifdef CONFIG_PROFILER
1868 dev_time
+= profile_getclock() - ti
;
1873 static void version(void)
1875 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1876 QEMU_COPYRIGHT
"\n");
1879 static void help(int exitcode
)
1882 printf("usage: %s [options] [disk_image]\n\n"
1883 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1884 error_get_progname());
1886 #define QEMU_OPTIONS_GENERATE_HELP
1887 #include "qemu-options-wrapper.h"
1889 printf("\nDuring emulation, the following keys are useful:\n"
1890 "ctrl-alt-f toggle full screen\n"
1891 "ctrl-alt-n switch to virtual console 'n'\n"
1892 "ctrl-alt toggle mouse and keyboard grab\n"
1894 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1896 QEMU_HELP_BOTTOM
"\n");
1901 #define HAS_ARG 0x0001
1903 typedef struct QEMUOption
{
1910 static const QEMUOption qemu_options
[] = {
1911 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1912 #define QEMU_OPTIONS_GENERATE_OPTIONS
1913 #include "qemu-options-wrapper.h"
1917 typedef struct VGAInterfaceInfo
{
1918 const char *opt_name
; /* option name */
1919 const char *name
; /* human-readable name */
1920 /* Class names indicating that support is available.
1921 * If no class is specified, the interface is always available */
1922 const char *class_names
[2];
1925 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1931 .name
= "standard VGA",
1932 .class_names
= { "VGA", "isa-vga" },
1935 .opt_name
= "cirrus",
1936 .name
= "Cirrus VGA",
1937 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1940 .opt_name
= "vmware",
1941 .name
= "VMWare SVGA",
1942 .class_names
= { "vmware-svga" },
1945 .opt_name
= "virtio",
1946 .name
= "Virtio VGA",
1947 .class_names
= { "virtio-vga" },
1952 .class_names
= { "qxl-vga" },
1956 .name
= "TCX framebuffer",
1957 .class_names
= { "SUNW,tcx" },
1961 .name
= "CG3 framebuffer",
1962 .class_names
= { "cgthree" },
1965 .opt_name
= "xenfb",
1969 static bool vga_interface_available(VGAInterfaceType t
)
1971 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1973 assert(t
< VGA_TYPE_MAX
);
1974 return !ti
->class_names
[0] ||
1975 object_class_by_name(ti
->class_names
[0]) ||
1976 object_class_by_name(ti
->class_names
[1]);
1979 static void select_vgahw(const char *p
)
1984 assert(vga_interface_type
== VGA_NONE
);
1985 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1986 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1987 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1988 if (!vga_interface_available(t
)) {
1989 error_report("%s not available", ti
->name
);
1992 vga_interface_type
= t
;
1996 if (t
== VGA_TYPE_MAX
) {
1998 error_report("unknown vga type: %s", p
);
2002 const char *nextopt
;
2004 if (strstart(opts
, ",retrace=", &nextopt
)) {
2006 if (strstart(opts
, "dumb", &nextopt
))
2007 vga_retrace_method
= VGA_RETRACE_DUMB
;
2008 else if (strstart(opts
, "precise", &nextopt
))
2009 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2010 else goto invalid_vga
;
2011 } else goto invalid_vga
;
2016 static void parse_display_qapi(const char *optarg
)
2019 DisplayOptions
*opts
;
2022 v
= qobject_input_visitor_new_str(optarg
, "type", &err
);
2024 error_report_err(err
);
2028 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2029 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2031 qapi_free_DisplayOptions(opts
);
2035 static void parse_display(const char *p
)
2039 if (strstart(p
, "sdl", &opts
)) {
2041 * sdl DisplayType needs hand-crafted parser instead of
2042 * parse_display_qapi() due to some options not in
2043 * DisplayOptions, specifically:
2045 * Already deprecated.
2046 * - ctrl_grab + alt_grab
2047 * Not clear yet what happens to them long-term. Should
2048 * replaced by something better or deprecated and dropped.
2050 dpy
.type
= DISPLAY_TYPE_SDL
;
2052 const char *nextopt
;
2054 if (strstart(opts
, ",frame=", &nextopt
)) {
2055 g_printerr("The frame= sdl option is deprecated, and will be\n"
2056 "removed in a future release.\n");
2058 if (strstart(opts
, "on", &nextopt
)) {
2060 } else if (strstart(opts
, "off", &nextopt
)) {
2063 goto invalid_sdl_args
;
2065 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2067 if (strstart(opts
, "on", &nextopt
)) {
2069 } else if (strstart(opts
, "off", &nextopt
)) {
2072 goto invalid_sdl_args
;
2074 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2076 if (strstart(opts
, "on", &nextopt
)) {
2078 } else if (strstart(opts
, "off", &nextopt
)) {
2081 goto invalid_sdl_args
;
2083 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2085 dpy
.has_window_close
= true;
2086 if (strstart(opts
, "on", &nextopt
)) {
2087 dpy
.window_close
= true;
2088 } else if (strstart(opts
, "off", &nextopt
)) {
2089 dpy
.window_close
= false;
2091 goto invalid_sdl_args
;
2093 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2096 if (strstart(opts
, "on", &nextopt
)) {
2097 dpy
.gl
= DISPLAYGL_MODE_ON
;
2098 } else if (strstart(opts
, "core", &nextopt
)) {
2099 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2100 } else if (strstart(opts
, "es", &nextopt
)) {
2101 dpy
.gl
= DISPLAYGL_MODE_ES
;
2102 } else if (strstart(opts
, "off", &nextopt
)) {
2103 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2105 goto invalid_sdl_args
;
2109 error_report("invalid SDL option string");
2114 } else if (strstart(p
, "vnc", &opts
)) {
2116 * vnc isn't a (local) DisplayType but a protocol for remote
2120 vnc_parse(opts
+ 1, &error_fatal
);
2122 error_report("VNC requires a display argument vnc=<display>");
2126 parse_display_qapi(p
);
2130 static int balloon_parse(const char *arg
)
2134 warn_report("This option is deprecated. "
2135 "Use '--device virtio-balloon' to enable the balloon device.");
2137 if (strcmp(arg
, "none") == 0) {
2141 if (!strncmp(arg
, "virtio", 6)) {
2142 if (arg
[6] == ',') {
2143 /* have params -> parse them */
2144 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2149 /* create empty opts */
2150 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2153 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2160 char *qemu_find_file(int type
, const char *name
)
2166 /* Try the name as a straight path first */
2167 if (access(name
, R_OK
) == 0) {
2168 trace_load_file(name
, name
);
2169 return g_strdup(name
);
2173 case QEMU_FILE_TYPE_BIOS
:
2176 case QEMU_FILE_TYPE_KEYMAP
:
2177 subdir
= "keymaps/";
2183 for (i
= 0; i
< data_dir_idx
; i
++) {
2184 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2185 if (access(buf
, R_OK
) == 0) {
2186 trace_load_file(name
, buf
);
2194 static void qemu_add_data_dir(const char *path
)
2201 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2204 for (i
= 0; i
< data_dir_idx
; i
++) {
2205 if (strcmp(data_dir
[i
], path
) == 0) {
2206 return; /* duplicate */
2209 data_dir
[data_dir_idx
++] = g_strdup(path
);
2212 static inline bool nonempty_str(const char *str
)
2217 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2221 const char *name
, *file
, *str
;
2222 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2224 if (fw_cfg
== NULL
) {
2225 error_report("fw_cfg device not available");
2228 name
= qemu_opt_get(opts
, "name");
2229 file
= qemu_opt_get(opts
, "file");
2230 str
= qemu_opt_get(opts
, "string");
2232 /* we need name and either a file or the content string */
2233 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2234 error_report("invalid argument(s)");
2237 if (nonempty_str(file
) && nonempty_str(str
)) {
2238 error_report("file and string are mutually exclusive");
2241 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2242 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2245 if (strncmp(name
, "opt/", 4) != 0) {
2246 warn_report("externally provided fw_cfg item names "
2247 "should be prefixed with \"opt/\"");
2249 if (nonempty_str(str
)) {
2250 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2251 buf
= g_memdup(str
, size
);
2253 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2254 error_report("can't load %s", file
);
2258 /* For legacy, keep user files in a specific global order. */
2259 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2260 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2261 fw_cfg_reset_order_override(fw_cfg
);
2265 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2267 return qdev_device_help(opts
);
2270 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2275 dev
= qdev_device_add(opts
, &err
);
2277 error_report_err(err
);
2280 object_unref(OBJECT(dev
));
2284 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2286 Error
*local_err
= NULL
;
2288 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2290 error_report_err(local_err
);
2298 #ifdef CONFIG_VIRTFS
2299 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2301 return qemu_fsdev_add(opts
);
2305 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2308 const char *chardev
;
2312 mode
= qemu_opt_get(opts
, "mode");
2316 if (strcmp(mode
, "readline") == 0) {
2317 flags
= MONITOR_USE_READLINE
;
2318 } else if (strcmp(mode
, "control") == 0) {
2319 flags
= MONITOR_USE_CONTROL
;
2321 error_report("unknown monitor mode \"%s\"", mode
);
2325 if (qemu_opt_get_bool(opts
, "pretty", 0))
2326 flags
|= MONITOR_USE_PRETTY
;
2328 /* OOB is off by default */
2329 if (qemu_opt_get_bool(opts
, "x-oob", 0)) {
2330 flags
|= MONITOR_USE_OOB
;
2333 chardev
= qemu_opt_get(opts
, "chardev");
2334 chr
= qemu_chr_find(chardev
);
2336 error_report("chardev \"%s\" not found", chardev
);
2340 monitor_init(chr
, flags
);
2344 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2346 static int monitor_device_index
= 0;
2351 if (strstart(optarg
, "chardev:", &p
)) {
2352 snprintf(label
, sizeof(label
), "%s", p
);
2354 snprintf(label
, sizeof(label
), "compat_monitor%d",
2355 monitor_device_index
);
2356 opts
= qemu_chr_parse_compat(label
, optarg
);
2358 error_report("parse error: %s", optarg
);
2363 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2364 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2365 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2366 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2367 monitor_device_index
++;
2370 struct device_config
{
2372 DEV_USB
, /* -usbdevice */
2374 DEV_SERIAL
, /* -serial */
2375 DEV_PARALLEL
, /* -parallel */
2376 DEV_VIRTCON
, /* -virtioconsole */
2377 DEV_DEBUGCON
, /* -debugcon */
2378 DEV_GDB
, /* -gdb, -s */
2379 DEV_SCLP
, /* s390 sclp */
2381 const char *cmdline
;
2383 QTAILQ_ENTRY(device_config
) next
;
2386 static QTAILQ_HEAD(, device_config
) device_configs
=
2387 QTAILQ_HEAD_INITIALIZER(device_configs
);
2389 static void add_device_config(int type
, const char *cmdline
)
2391 struct device_config
*conf
;
2393 conf
= g_malloc0(sizeof(*conf
));
2395 conf
->cmdline
= cmdline
;
2396 loc_save(&conf
->loc
);
2397 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2400 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2402 struct device_config
*conf
;
2405 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2406 if (conf
->type
!= type
)
2408 loc_push_restore(&conf
->loc
);
2409 rc
= func(conf
->cmdline
);
2410 loc_pop(&conf
->loc
);
2418 static int serial_parse(const char *devname
)
2420 int index
= num_serial_hds
;
2423 if (strcmp(devname
, "none") == 0)
2425 snprintf(label
, sizeof(label
), "serial%d", index
);
2426 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2428 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2429 if (!serial_hds
[index
]) {
2430 error_report("could not connect serial device"
2431 " to character backend '%s'", devname
);
2438 Chardev
*serial_hd(int i
)
2441 if (i
< num_serial_hds
) {
2442 return serial_hds
[i
];
2447 int serial_max_hds(void)
2449 return num_serial_hds
;
2452 static int parallel_parse(const char *devname
)
2454 static int index
= 0;
2457 if (strcmp(devname
, "none") == 0)
2459 if (index
== MAX_PARALLEL_PORTS
) {
2460 error_report("too many parallel ports");
2463 snprintf(label
, sizeof(label
), "parallel%d", index
);
2464 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2465 if (!parallel_hds
[index
]) {
2466 error_report("could not connect parallel device"
2467 " to character backend '%s'", devname
);
2474 static int virtcon_parse(const char *devname
)
2476 QemuOptsList
*device
= qemu_find_opts("device");
2477 static int index
= 0;
2479 QemuOpts
*bus_opts
, *dev_opts
;
2481 if (strcmp(devname
, "none") == 0)
2483 if (index
== MAX_VIRTIO_CONSOLES
) {
2484 error_report("too many virtio consoles");
2488 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2489 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2491 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2492 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2494 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2495 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2496 if (!virtcon_hds
[index
]) {
2497 error_report("could not connect virtio console"
2498 " to character backend '%s'", devname
);
2501 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2507 static int debugcon_parse(const char *devname
)
2511 if (!qemu_chr_new("debugcon", devname
)) {
2514 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2516 error_report("already have a debugcon device");
2519 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2520 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2524 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2526 const MachineClass
*mc1
= a
, *mc2
= b
;
2529 if (mc1
->family
== NULL
) {
2530 if (mc2
->family
== NULL
) {
2531 /* Compare standalone machine types against each other; they sort
2532 * in increasing order.
2534 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2535 object_class_get_name(OBJECT_CLASS(mc2
)));
2538 /* Standalone machine types sort after families. */
2542 if (mc2
->family
== NULL
) {
2543 /* Families sort before standalone machine types. */
2547 /* Families sort between each other alphabetically increasingly. */
2548 res
= strcmp(mc1
->family
, mc2
->family
);
2553 /* Within the same family, machine types sort in decreasing order. */
2554 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2555 object_class_get_name(OBJECT_CLASS(mc1
)));
2558 static MachineClass
*machine_parse(const char *name
)
2560 MachineClass
*mc
= NULL
;
2561 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2564 mc
= find_machine(name
);
2567 g_slist_free(machines
);
2570 if (name
&& !is_help_option(name
)) {
2571 error_report("unsupported machine type");
2572 error_printf("Use -machine help to list supported machines\n");
2574 printf("Supported machines are:\n");
2575 machines
= g_slist_sort(machines
, machine_class_cmp
);
2576 for (el
= machines
; el
; el
= el
->next
) {
2577 MachineClass
*mc
= el
->data
;
2579 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2581 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2582 mc
->is_default
? " (default)" : "",
2583 mc
->deprecation_reason
? " (deprecated)" : "");
2587 g_slist_free(machines
);
2588 exit(!name
|| !is_help_option(name
));
2591 void qemu_add_exit_notifier(Notifier
*notify
)
2593 notifier_list_add(&exit_notifiers
, notify
);
2596 void qemu_remove_exit_notifier(Notifier
*notify
)
2598 notifier_remove(notify
);
2601 static void qemu_run_exit_notifiers(void)
2603 notifier_list_notify(&exit_notifiers
, NULL
);
2606 bool machine_init_done
;
2608 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2610 notifier_list_add(&machine_init_done_notifiers
, notify
);
2611 if (machine_init_done
) {
2612 notify
->notify(notify
, NULL
);
2616 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2618 notifier_remove(notify
);
2621 static void qemu_run_machine_init_done_notifiers(void)
2623 machine_init_done
= true;
2624 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2627 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2628 const char **poptarg
, int *poptind
)
2630 const QEMUOption
*popt
;
2631 int optind
= *poptind
;
2632 char *r
= argv
[optind
];
2635 loc_set_cmdline(argv
, optind
, 1);
2637 /* Treat --foo the same as -foo. */
2640 popt
= qemu_options
;
2643 error_report("invalid option");
2646 if (!strcmp(popt
->name
, r
+ 1))
2650 if (popt
->flags
& HAS_ARG
) {
2651 if (optind
>= argc
) {
2652 error_report("requires an argument");
2655 optarg
= argv
[optind
++];
2656 loc_set_cmdline(argv
, optind
- 2, 2);
2667 static MachineClass
*select_machine(void)
2669 MachineClass
*machine_class
= find_default_machine();
2674 loc_push_none(&loc
);
2676 opts
= qemu_get_machine_opts();
2677 qemu_opts_loc_restore(opts
);
2679 optarg
= qemu_opt_get(opts
, "type");
2681 machine_class
= machine_parse(optarg
);
2684 if (!machine_class
) {
2685 error_report("No machine specified, and there is no default");
2686 error_printf("Use -machine help to list supported machines\n");
2691 return machine_class
;
2694 static int machine_set_property(void *opaque
,
2695 const char *name
, const char *value
,
2698 Object
*obj
= OBJECT(opaque
);
2699 Error
*local_err
= NULL
;
2702 if (strcmp(name
, "type") == 0) {
2706 qom_name
= g_strdup(name
);
2707 for (p
= qom_name
; *p
; p
++) {
2713 object_property_parse(obj
, value
, qom_name
, &local_err
);
2717 error_report_err(local_err
);
2726 * Initial object creation happens before all other
2727 * QEMU data types are created. The majority of objects
2728 * can be created at this point. The rng-egd object
2729 * cannot be created here, as it depends on the chardev
2732 static bool object_create_initial(const char *type
)
2734 if (g_str_equal(type
, "rng-egd") ||
2735 g_str_has_prefix(type
, "pr-manager-")) {
2739 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2740 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2746 * return false for concrete netfilters since
2747 * they depend on netdevs already existing
2749 if (g_str_equal(type
, "filter-buffer") ||
2750 g_str_equal(type
, "filter-dump") ||
2751 g_str_equal(type
, "filter-mirror") ||
2752 g_str_equal(type
, "filter-redirector") ||
2753 g_str_equal(type
, "colo-compare") ||
2754 g_str_equal(type
, "filter-rewriter") ||
2755 g_str_equal(type
, "filter-replay")) {
2759 /* Memory allocation by backends needs to be done
2760 * after configure_accelerator() (due to the tcg_enabled()
2761 * checks at memory_region_init_*()).
2763 * Also, allocation of large amounts of memory may delay
2764 * chardev initialization for too long, and trigger timeouts
2765 * on software that waits for a monitor socket to be created
2768 if (g_str_has_prefix(type
, "memory-backend-")) {
2777 * The remainder of object creation happens after the
2778 * creation of chardev, fsdev, net clients and device data types.
2780 static bool object_create_delayed(const char *type
)
2782 return !object_create_initial(type
);
2786 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2790 const char *mem_str
;
2791 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2792 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2795 loc_push_none(&loc
);
2796 qemu_opts_loc_restore(opts
);
2799 mem_str
= qemu_opt_get(opts
, "size");
2802 error_report("missing 'size' option value");
2806 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2808 /* Fix up legacy suffix-less format */
2809 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2810 uint64_t overflow_check
= sz
;
2813 if (sz
/ MiB
!= overflow_check
) {
2814 error_report("too large 'size' option value");
2820 /* backward compatibility behaviour for case "-m 0" */
2822 sz
= default_ram_size
;
2825 sz
= QEMU_ALIGN_UP(sz
, 8192);
2827 if (ram_size
!= sz
) {
2828 error_report("ram size too large");
2832 /* store value for the future use */
2833 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2834 *maxram_size
= ram_size
;
2836 if (qemu_opt_get(opts
, "maxmem")) {
2839 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2840 slots
= qemu_opt_get_number(opts
, "slots", 0);
2841 if (sz
< ram_size
) {
2842 error_report("invalid value of -m option maxmem: "
2843 "maximum memory size (0x%" PRIx64
") must be at least "
2844 "the initial memory size (0x" RAM_ADDR_FMT
")",
2847 } else if (slots
&& sz
== ram_size
) {
2848 error_report("invalid value of -m option maxmem: "
2849 "memory slots were specified but maximum memory size "
2850 "(0x%" PRIx64
") is equal to the initial memory size "
2851 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2857 } else if (qemu_opt_get(opts
, "slots")) {
2858 error_report("invalid -m option value: missing 'maxmem' option");
2865 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2869 g
= g_malloc0(sizeof(*g
));
2870 g
->driver
= qemu_opt_get(opts
, "driver");
2871 g
->property
= qemu_opt_get(opts
, "property");
2872 g
->value
= qemu_opt_get(opts
, "value");
2873 g
->user_provided
= true;
2874 g
->errp
= &error_fatal
;
2875 qdev_prop_register_global(g
);
2879 static int qemu_read_default_config_file(void)
2883 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2884 if (ret
< 0 && ret
!= -ENOENT
) {
2891 static void user_register_global_props(void)
2893 qemu_opts_foreach(qemu_find_opts("global"),
2894 global_init_func
, NULL
, NULL
);
2898 * Note: we should see that these properties are actually having a
2899 * priority: accel < machine < user. This means e.g. when user
2900 * specifies something in "-global", it'll always be used with highest
2901 * priority than either machine/accelerator compat properties.
2903 static void register_global_properties(MachineState
*ms
)
2905 accel_register_compat_props(ms
->accelerator
);
2906 machine_register_compat_props(ms
);
2907 user_register_global_props();
2910 int main(int argc
, char **argv
, char **envp
)
2913 int snapshot
, linux_boot
;
2914 const char *initrd_filename
;
2915 const char *kernel_filename
, *kernel_cmdline
;
2916 const char *boot_order
= NULL
;
2917 const char *boot_once
= NULL
;
2919 QemuOpts
*opts
, *machine_opts
;
2920 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2921 QemuOptsList
*olist
;
2924 const char *loadvm
= NULL
;
2925 MachineClass
*machine_class
;
2926 const char *cpu_model
;
2927 const char *vga_model
= NULL
;
2928 const char *qtest_chrdev
= NULL
;
2929 const char *qtest_log
= NULL
;
2930 const char *pid_file
= NULL
;
2931 const char *incoming
= NULL
;
2932 bool userconfig
= true;
2933 bool nographic
= false;
2934 int display_remote
= 0;
2935 const char *log_mask
= NULL
;
2936 const char *log_file
= NULL
;
2937 char *trace_file
= NULL
;
2938 ram_addr_t maxram_size
;
2939 uint64_t ram_slots
= 0;
2940 FILE *vmstate_dump_file
= NULL
;
2941 Error
*main_loop_err
= NULL
;
2943 bool list_data_dirs
= false;
2945 typedef struct BlockdevOptions_queue
{
2946 BlockdevOptions
*bdo
;
2948 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
2949 } BlockdevOptions_queue
;
2950 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
2951 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2953 module_call_init(MODULE_INIT_TRACE
);
2955 qemu_init_cpu_list();
2956 qemu_init_cpu_loop();
2958 qemu_mutex_lock_iothread();
2960 atexit(qemu_run_exit_notifiers
);
2961 error_set_progname(argv
[0]);
2962 qemu_init_exec_dir(argv
[0]);
2964 module_call_init(MODULE_INIT_QOM
);
2966 qemu_add_opts(&qemu_drive_opts
);
2967 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2968 qemu_add_drive_opts(&qemu_common_drive_opts
);
2969 qemu_add_drive_opts(&qemu_drive_opts
);
2970 qemu_add_drive_opts(&bdrv_runtime_opts
);
2971 qemu_add_opts(&qemu_chardev_opts
);
2972 qemu_add_opts(&qemu_device_opts
);
2973 qemu_add_opts(&qemu_netdev_opts
);
2974 qemu_add_opts(&qemu_nic_opts
);
2975 qemu_add_opts(&qemu_net_opts
);
2976 qemu_add_opts(&qemu_rtc_opts
);
2977 qemu_add_opts(&qemu_global_opts
);
2978 qemu_add_opts(&qemu_mon_opts
);
2979 qemu_add_opts(&qemu_trace_opts
);
2980 qemu_add_opts(&qemu_option_rom_opts
);
2981 qemu_add_opts(&qemu_machine_opts
);
2982 qemu_add_opts(&qemu_accel_opts
);
2983 qemu_add_opts(&qemu_mem_opts
);
2984 qemu_add_opts(&qemu_smp_opts
);
2985 qemu_add_opts(&qemu_boot_opts
);
2986 qemu_add_opts(&qemu_add_fd_opts
);
2987 qemu_add_opts(&qemu_object_opts
);
2988 qemu_add_opts(&qemu_tpmdev_opts
);
2989 qemu_add_opts(&qemu_realtime_opts
);
2990 qemu_add_opts(&qemu_msg_opts
);
2991 qemu_add_opts(&qemu_name_opts
);
2992 qemu_add_opts(&qemu_numa_opts
);
2993 qemu_add_opts(&qemu_icount_opts
);
2994 qemu_add_opts(&qemu_semihosting_config_opts
);
2995 qemu_add_opts(&qemu_fw_cfg_opts
);
2996 module_call_init(MODULE_INIT_OPTS
);
2999 postcopy_infrastructure_init();
3000 monitor_init_globals();
3002 if (qcrypto_init(&err
) < 0) {
3003 error_reportf_err(err
, "cannot initialize crypto: ");
3006 rtc_clock
= QEMU_CLOCK_HOST
;
3008 QLIST_INIT (&vm_change_state_head
);
3009 os_setup_early_signal_handling();
3016 bdrv_init_with_whitelist();
3020 /* first pass of option parsing */
3022 while (optind
< argc
) {
3023 if (argv
[optind
][0] != '-') {
3027 const QEMUOption
*popt
;
3029 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3030 switch (popt
->index
) {
3031 case QEMU_OPTION_nodefconfig
:
3032 case QEMU_OPTION_nouserconfig
:
3040 if (qemu_read_default_config_file() < 0) {
3045 /* second pass of option parsing */
3050 if (argv
[optind
][0] != '-') {
3051 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3053 const QEMUOption
*popt
;
3055 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3056 if (!(popt
->arch_mask
& arch_type
)) {
3057 error_report("Option not supported for this target");
3060 switch(popt
->index
) {
3061 case QEMU_OPTION_cpu
:
3062 /* hw initialization will check this */
3065 case QEMU_OPTION_hda
:
3066 case QEMU_OPTION_hdb
:
3067 case QEMU_OPTION_hdc
:
3068 case QEMU_OPTION_hdd
:
3069 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3072 case QEMU_OPTION_blockdev
:
3075 BlockdevOptions_queue
*bdo
;
3077 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3079 error_report_err(err
);
3083 bdo
= g_new(BlockdevOptions_queue
, 1);
3084 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3087 loc_save(&bdo
->loc
);
3088 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3091 case QEMU_OPTION_drive
:
3092 if (drive_def(optarg
) == NULL
) {
3096 case QEMU_OPTION_set
:
3097 if (qemu_set_option(optarg
) != 0)
3100 case QEMU_OPTION_global
:
3101 if (qemu_global_option(optarg
) != 0)
3104 case QEMU_OPTION_mtdblock
:
3105 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3107 case QEMU_OPTION_sd
:
3108 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3110 case QEMU_OPTION_pflash
:
3111 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3113 case QEMU_OPTION_snapshot
:
3116 case QEMU_OPTION_numa
:
3117 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3123 case QEMU_OPTION_display
:
3124 parse_display(optarg
);
3126 case QEMU_OPTION_nographic
:
3127 olist
= qemu_find_opts("machine");
3128 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3130 dpy
.type
= DISPLAY_TYPE_NONE
;
3132 case QEMU_OPTION_curses
:
3133 #ifdef CONFIG_CURSES
3134 dpy
.type
= DISPLAY_TYPE_CURSES
;
3136 error_report("curses support is disabled");
3140 case QEMU_OPTION_portrait
:
3141 graphic_rotate
= 90;
3143 case QEMU_OPTION_rotate
:
3144 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3145 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3146 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3147 error_report("only 90, 180, 270 deg rotation is available");
3151 case QEMU_OPTION_kernel
:
3152 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3155 case QEMU_OPTION_initrd
:
3156 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3159 case QEMU_OPTION_append
:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3163 case QEMU_OPTION_dtb
:
3164 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3167 case QEMU_OPTION_cdrom
:
3168 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3170 case QEMU_OPTION_boot
:
3171 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3177 case QEMU_OPTION_fda
:
3178 case QEMU_OPTION_fdb
:
3179 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3182 case QEMU_OPTION_no_fd_bootchk
:
3185 case QEMU_OPTION_netdev
:
3187 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3191 case QEMU_OPTION_nic
:
3193 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3197 case QEMU_OPTION_net
:
3199 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3203 #ifdef CONFIG_LIBISCSI
3204 case QEMU_OPTION_iscsi
:
3205 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3213 case QEMU_OPTION_tftp
:
3214 error_report("The -tftp option is deprecated. "
3215 "Please use '-netdev user,tftp=...' instead.");
3216 legacy_tftp_prefix
= optarg
;
3218 case QEMU_OPTION_bootp
:
3219 error_report("The -bootp option is deprecated. "
3220 "Please use '-netdev user,bootfile=...' instead.");
3221 legacy_bootp_filename
= optarg
;
3223 case QEMU_OPTION_redir
:
3224 error_report("The -redir option is deprecated. "
3225 "Please use '-netdev user,hostfwd=...' instead.");
3226 if (net_slirp_redir(optarg
) < 0)
3230 case QEMU_OPTION_bt
:
3231 add_device_config(DEV_BT
, optarg
);
3233 case QEMU_OPTION_audio_help
:
3237 case QEMU_OPTION_soundhw
:
3238 select_soundhw (optarg
);
3243 case QEMU_OPTION_version
:
3248 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3255 case QEMU_OPTION_tpmdev
:
3256 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3261 case QEMU_OPTION_mempath
:
3264 case QEMU_OPTION_mem_prealloc
:
3273 case QEMU_OPTION_DFILTER
:
3274 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3277 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3279 case QEMU_OPTION_gdb
:
3280 add_device_config(DEV_GDB
, optarg
);
3283 if (is_help_option(optarg
)) {
3284 list_data_dirs
= true;
3286 qemu_add_data_dir(optarg
);
3289 case QEMU_OPTION_bios
:
3290 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3293 case QEMU_OPTION_singlestep
:
3300 keyboard_layout
= optarg
;
3302 case QEMU_OPTION_localtime
:
3304 warn_report("This option is deprecated, "
3305 "use '-rtc base=localtime' instead.");
3307 case QEMU_OPTION_vga
:
3316 w
= strtol(p
, (char **)&p
, 10);
3319 error_report("invalid resolution or depth");
3325 h
= strtol(p
, (char **)&p
, 10);
3330 depth
= strtol(p
, (char **)&p
, 10);
3331 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3332 depth
!= 24 && depth
!= 32)
3334 } else if (*p
== '\0') {
3335 depth
= graphic_depth
;
3342 graphic_depth
= depth
;
3345 case QEMU_OPTION_echr
:
3348 term_escape_char
= strtol(optarg
, &r
, 0);
3350 printf("Bad argument to echr\n");
3353 case QEMU_OPTION_monitor
:
3354 default_monitor
= 0;
3355 if (strncmp(optarg
, "none", 4)) {
3356 monitor_parse(optarg
, "readline", false);
3359 case QEMU_OPTION_qmp
:
3360 monitor_parse(optarg
, "control", false);
3361 default_monitor
= 0;
3363 case QEMU_OPTION_qmp_pretty
:
3364 monitor_parse(optarg
, "control", true);
3365 default_monitor
= 0;
3367 case QEMU_OPTION_mon
:
3368 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3373 default_monitor
= 0;
3375 case QEMU_OPTION_chardev
:
3376 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3382 case QEMU_OPTION_fsdev
:
3383 olist
= qemu_find_opts("fsdev");
3385 error_report("fsdev support is disabled");
3388 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3393 case QEMU_OPTION_virtfs
: {
3396 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3398 olist
= qemu_find_opts("virtfs");
3400 error_report("virtfs support is disabled");
3403 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3408 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3409 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3410 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3413 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3414 qemu_opts_id(opts
) ?:
3415 qemu_opt_get(opts
, "mount_tag"),
3418 error_report("duplicate or invalid fsdev id: %s",
3419 qemu_opt_get(opts
, "mount_tag"));
3423 writeout
= qemu_opt_get(opts
, "writeout");
3425 #ifdef CONFIG_SYNC_FILE_RANGE
3426 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3428 error_report("writeout=immediate not supported "
3429 "on this platform");
3433 qemu_opt_set(fsdev
, "fsdriver",
3434 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3435 path
= qemu_opt_get(opts
, "path");
3437 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3439 security_model
= qemu_opt_get(opts
, "security_model");
3440 if (security_model
) {
3441 qemu_opt_set(fsdev
, "security_model", security_model
,
3444 socket
= qemu_opt_get(opts
, "socket");
3446 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3448 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3450 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3453 qemu_opt_set_bool(fsdev
, "readonly",
3454 qemu_opt_get_bool(opts
, "readonly", 0),
3456 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3458 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3459 qemu_opt_set(device
, "fsdev",
3460 qemu_opts_id(fsdev
), &error_abort
);
3461 qemu_opt_set(device
, "mount_tag",
3462 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3465 case QEMU_OPTION_virtfs_synth
: {
3469 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3472 error_report("duplicate option: %s", "virtfs_synth");
3475 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3477 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3479 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3480 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3481 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3484 case QEMU_OPTION_serial
:
3485 add_device_config(DEV_SERIAL
, optarg
);
3487 if (strncmp(optarg
, "mon:", 4) == 0) {
3488 default_monitor
= 0;
3491 case QEMU_OPTION_watchdog
:
3493 error_report("only one watchdog option may be given");
3498 case QEMU_OPTION_watchdog_action
:
3499 if (select_watchdog_action(optarg
) == -1) {
3500 error_report("unknown -watchdog-action parameter");
3504 case QEMU_OPTION_virtiocon
:
3505 warn_report("This option is deprecated, "
3506 "use '-device virtconsole' instead");
3507 add_device_config(DEV_VIRTCON
, optarg
);
3508 default_virtcon
= 0;
3509 if (strncmp(optarg
, "mon:", 4) == 0) {
3510 default_monitor
= 0;
3513 case QEMU_OPTION_parallel
:
3514 add_device_config(DEV_PARALLEL
, optarg
);
3515 default_parallel
= 0;
3516 if (strncmp(optarg
, "mon:", 4) == 0) {
3517 default_monitor
= 0;
3520 case QEMU_OPTION_debugcon
:
3521 add_device_config(DEV_DEBUGCON
, optarg
);
3523 case QEMU_OPTION_loadvm
:
3526 case QEMU_OPTION_full_screen
:
3527 dpy
.has_full_screen
= true;
3528 dpy
.full_screen
= true;
3530 case QEMU_OPTION_no_frame
:
3531 g_printerr("The -no-frame switch is deprecated, and will be\n"
3532 "removed in a future release.\n");
3535 case QEMU_OPTION_alt_grab
:
3538 case QEMU_OPTION_ctrl_grab
:
3541 case QEMU_OPTION_no_quit
:
3542 dpy
.has_window_close
= true;
3543 dpy
.window_close
= false;
3545 case QEMU_OPTION_sdl
:
3547 dpy
.type
= DISPLAY_TYPE_SDL
;
3550 error_report("SDL support is disabled");
3553 case QEMU_OPTION_pidfile
:
3556 case QEMU_OPTION_win2k_hack
:
3557 win2k_install_hack
= 1;
3559 case QEMU_OPTION_rtc_td_hack
: {
3560 static GlobalProperty slew_lost_ticks
= {
3561 .driver
= "mc146818rtc",
3562 .property
= "lost_tick_policy",
3566 qdev_prop_register_global(&slew_lost_ticks
);
3567 warn_report("This option is deprecated, "
3568 "use '-rtc driftfix=slew' instead.");
3571 case QEMU_OPTION_acpitable
:
3572 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3577 acpi_table_add(opts
, &error_fatal
);
3579 case QEMU_OPTION_smbios
:
3580 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3585 smbios_entry_add(opts
, &error_fatal
);
3587 case QEMU_OPTION_fwcfg
:
3588 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3594 case QEMU_OPTION_preconfig
:
3595 preconfig_exit_requested
= false;
3597 case QEMU_OPTION_enable_kvm
:
3598 olist
= qemu_find_opts("machine");
3599 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3601 case QEMU_OPTION_enable_hax
:
3602 warn_report("Option is deprecated, use '-accel hax' instead");
3603 olist
= qemu_find_opts("machine");
3604 qemu_opts_parse_noisily(olist
, "accel=hax", false);
3607 case QEMU_OPTION_machine
:
3608 olist
= qemu_find_opts("machine");
3609 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3614 case QEMU_OPTION_no_kvm
:
3615 olist
= qemu_find_opts("machine");
3616 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3618 case QEMU_OPTION_accel
:
3619 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3621 optarg
= qemu_opt_get(accel_opts
, "accel");
3622 if (!optarg
|| is_help_option(optarg
)) {
3623 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3626 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3627 false, &error_abort
);
3628 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3630 case QEMU_OPTION_usb
:
3631 olist
= qemu_find_opts("machine");
3632 qemu_opts_parse_noisily(olist
, "usb=on", false);
3634 case QEMU_OPTION_usbdevice
:
3635 error_report("'-usbdevice' is deprecated, please use "
3636 "'-device usb-...' instead");
3637 olist
= qemu_find_opts("machine");
3638 qemu_opts_parse_noisily(olist
, "usb=on", false);
3639 add_device_config(DEV_USB
, optarg
);
3641 case QEMU_OPTION_device
:
3642 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3647 case QEMU_OPTION_smp
:
3648 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3653 case QEMU_OPTION_vnc
:
3654 vnc_parse(optarg
, &error_fatal
);
3656 case QEMU_OPTION_no_acpi
:
3659 case QEMU_OPTION_no_hpet
:
3662 case QEMU_OPTION_balloon
:
3663 if (balloon_parse(optarg
) < 0) {
3664 error_report("unknown -balloon argument %s", optarg
);
3668 case QEMU_OPTION_no_reboot
:
3671 case QEMU_OPTION_no_shutdown
:
3674 case QEMU_OPTION_show_cursor
:
3677 case QEMU_OPTION_uuid
:
3678 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3679 error_report("failed to parse UUID string: wrong format");
3682 qemu_uuid_set
= true;
3684 case QEMU_OPTION_option_rom
:
3685 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3686 error_report("too many option ROMs");
3689 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3694 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3695 option_rom
[nb_option_roms
].bootindex
=
3696 qemu_opt_get_number(opts
, "bootindex", -1);
3697 if (!option_rom
[nb_option_roms
].name
) {
3698 error_report("Option ROM file is not specified");
3703 case QEMU_OPTION_semihosting
:
3704 semihosting
.enabled
= true;
3705 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3707 case QEMU_OPTION_semihosting_config
:
3708 semihosting
.enabled
= true;
3709 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3712 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3714 const char *target
= qemu_opt_get(opts
, "target");
3715 if (target
!= NULL
) {
3716 if (strcmp("native", target
) == 0) {
3717 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3718 } else if (strcmp("gdb", target
) == 0) {
3719 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3720 } else if (strcmp("auto", target
) == 0) {
3721 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3723 error_report("unsupported semihosting-config %s",
3728 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3730 /* Set semihosting argument count and vector */
3731 qemu_opt_foreach(opts
, add_semihosting_arg
,
3732 &semihosting
, NULL
);
3734 error_report("unsupported semihosting-config %s", optarg
);
3738 case QEMU_OPTION_name
:
3739 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3745 case QEMU_OPTION_prom_env
:
3746 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3747 error_report("too many prom variables");
3750 prom_envs
[nb_prom_envs
] = optarg
;
3753 case QEMU_OPTION_old_param
:
3756 case QEMU_OPTION_clock
:
3757 /* Clock options no longer exist. Keep this option for
3758 * backward compatibility.
3760 warn_report("This option is ignored and will be removed soon");
3762 case QEMU_OPTION_startdate
:
3763 warn_report("This option is deprecated, use '-rtc base=' instead.");
3764 configure_rtc_date_offset(optarg
, 1);
3766 case QEMU_OPTION_rtc
:
3767 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3772 configure_rtc(opts
);
3774 case QEMU_OPTION_tb_size
:
3776 error_report("TCG is disabled");
3779 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3780 error_report("Invalid argument to -tb-size");
3784 case QEMU_OPTION_icount
:
3785 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3791 case QEMU_OPTION_incoming
:
3793 runstate_set(RUN_STATE_INMIGRATE
);
3797 case QEMU_OPTION_only_migratable
:
3799 * TODO: we can remove this option one day, and we
3802 * "-global migration.only-migratable=true"
3804 qemu_global_option("migration.only-migratable=true");
3806 case QEMU_OPTION_nodefaults
:
3809 case QEMU_OPTION_xen_domid
:
3810 if (!(xen_available())) {
3811 error_report("Option not supported for this target");
3814 xen_domid
= atoi(optarg
);
3816 case QEMU_OPTION_xen_create
:
3817 if (!(xen_available())) {
3818 error_report("Option not supported for this target");
3821 xen_mode
= XEN_CREATE
;
3823 case QEMU_OPTION_xen_attach
:
3824 if (!(xen_available())) {
3825 error_report("Option not supported for this target");
3828 xen_mode
= XEN_ATTACH
;
3830 case QEMU_OPTION_xen_domid_restrict
:
3831 if (!(xen_available())) {
3832 error_report("Option not supported for this target");
3835 xen_domid_restrict
= true;
3837 case QEMU_OPTION_trace
:
3839 trace_file
= trace_opt_parse(optarg
);
3841 case QEMU_OPTION_readconfig
:
3843 int ret
= qemu_read_config_file(optarg
);
3845 error_report("read config %s: %s", optarg
,
3851 case QEMU_OPTION_spice
:
3852 olist
= qemu_find_opts("spice");
3854 error_report("spice support is disabled");
3857 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3863 case QEMU_OPTION_writeconfig
:
3866 if (strcmp(optarg
, "-") == 0) {
3869 fp
= fopen(optarg
, "w");
3871 error_report("open %s: %s", optarg
,
3876 qemu_config_write(fp
);
3882 case QEMU_OPTION_qtest
:
3883 qtest_chrdev
= optarg
;
3885 case QEMU_OPTION_qtest_log
:
3888 case QEMU_OPTION_sandbox
:
3889 #ifdef CONFIG_SECCOMP
3890 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3896 error_report("-sandbox support is not enabled "
3897 "in this QEMU binary");
3901 case QEMU_OPTION_add_fd
:
3903 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3909 error_report("File descriptor passing is disabled on this "
3914 case QEMU_OPTION_object
:
3915 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3921 case QEMU_OPTION_realtime
:
3922 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3927 /* Don't override the -overcommit option if set */
3928 enable_mlock
= enable_mlock
||
3929 qemu_opt_get_bool(opts
, "mlock", true);
3931 case QEMU_OPTION_overcommit
:
3932 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3937 /* Don't override the -realtime option if set */
3938 enable_mlock
= enable_mlock
||
3939 qemu_opt_get_bool(opts
, "mem-lock", false);
3940 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3942 case QEMU_OPTION_msg
:
3943 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3948 configure_msg(opts
);
3950 case QEMU_OPTION_dump_vmstate
:
3951 if (vmstate_dump_file
) {
3952 error_report("only one '-dump-vmstate' "
3953 "option may be given");
3956 vmstate_dump_file
= fopen(optarg
, "w");
3957 if (vmstate_dump_file
== NULL
) {
3958 error_report("open %s: %s", optarg
, strerror(errno
));
3962 case QEMU_OPTION_nodefconfig
:
3963 case QEMU_OPTION_nouserconfig
:
3964 /* Nothing to be parsed here. Especially, do not error out below. */
3967 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3968 error_report("Option not supported in this build");
3975 * Clear error location left behind by the loop.
3976 * Best done right after the loop. Do not insert code here!
3980 replay_configure(icount_opts
);
3982 if (incoming
&& !preconfig_exit_requested
) {
3983 error_report("'preconfig' and 'incoming' options are "
3984 "mutually exclusive");
3988 machine_class
= select_machine();
3990 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3993 rcu_disable_atfork();
3995 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3996 error_report("could not acquire pid file: %s", strerror(errno
));
4000 if (qemu_init_main_loop(&main_loop_err
)) {
4001 error_report_err(main_loop_err
);
4005 #ifdef CONFIG_SECCOMP
4006 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4007 parse_sandbox
, NULL
, NULL
)) {
4012 if (qemu_opts_foreach(qemu_find_opts("name"),
4013 parse_name
, NULL
, NULL
)) {
4018 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4019 parse_add_fd
, NULL
, NULL
)) {
4023 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4024 cleanup_add_fd
, NULL
, NULL
)) {
4029 current_machine
= MACHINE(object_new(object_class_get_name(
4030 OBJECT_CLASS(machine_class
))));
4031 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4034 object_property_add_child(object_get_root(), "machine",
4035 OBJECT(current_machine
), &error_abort
);
4037 if (machine_class
->minimum_page_bits
) {
4038 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4039 /* This would be a board error: specifying a minimum smaller than
4040 * a target's compile-time fixed setting.
4042 g_assert_not_reached();
4046 cpu_exec_init_all();
4048 if (machine_class
->hw_version
) {
4049 qemu_set_hw_version(machine_class
->hw_version
);
4052 if (cpu_model
&& is_help_option(cpu_model
)) {
4053 list_cpus(stdout
, &fprintf
, cpu_model
);
4057 if (!trace_init_backends()) {
4060 trace_init_file(trace_file
);
4062 /* Open the logfile at this point and set the log mask if necessary.
4065 qemu_set_log_filename(log_file
, &error_fatal
);
4070 mask
= qemu_str_to_log_mask(log_mask
);
4072 qemu_print_log_usage(stdout
);
4080 /* add configured firmware directories */
4081 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4082 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4083 qemu_add_data_dir(dirs
[i
]);
4087 /* try to find datadir relative to the executable path */
4088 dir
= os_find_datadir();
4089 qemu_add_data_dir(dir
);
4092 /* add the datadir specified when building */
4093 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4095 /* -L help lists the data directories and exits. */
4096 if (list_data_dirs
) {
4097 for (i
= 0; i
< data_dir_idx
; i
++) {
4098 printf("%s\n", data_dir
[i
]);
4103 /* machine_class: default to UP */
4104 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4105 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4106 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4108 /* default to machine_class->default_cpus */
4109 smp_cpus
= machine_class
->default_cpus
;
4110 max_cpus
= machine_class
->default_cpus
;
4112 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4114 /* sanity-check smp_cpus and max_cpus against machine_class */
4115 if (smp_cpus
< machine_class
->min_cpus
) {
4116 error_report("Invalid SMP CPUs %d. The min CPUs "
4117 "supported by machine '%s' is %d", smp_cpus
,
4118 machine_class
->name
, machine_class
->min_cpus
);
4121 if (max_cpus
> machine_class
->max_cpus
) {
4122 error_report("Invalid SMP CPUs %d. The max CPUs "
4123 "supported by machine '%s' is %d", max_cpus
,
4124 machine_class
->name
, machine_class
->max_cpus
);
4129 * Get the default machine options from the machine if it is not already
4130 * specified either by the configuration file or by the command line.
4132 if (machine_class
->default_machine_opts
) {
4133 qemu_opts_set_defaults(qemu_find_opts("machine"),
4134 machine_class
->default_machine_opts
, 0);
4137 qemu_opts_foreach(qemu_find_opts("device"),
4138 default_driver_check
, NULL
, NULL
);
4139 qemu_opts_foreach(qemu_find_opts("global"),
4140 default_driver_check
, NULL
, NULL
);
4142 if (!vga_model
&& !default_vga
) {
4143 vga_interface_type
= VGA_DEVICE
;
4145 if (!has_defaults
|| machine_class
->no_serial
) {
4148 if (!has_defaults
|| machine_class
->no_parallel
) {
4149 default_parallel
= 0;
4151 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4152 default_virtcon
= 0;
4154 if (!has_defaults
|| machine_class
->no_floppy
) {
4157 if (!has_defaults
|| machine_class
->no_cdrom
) {
4160 if (!has_defaults
|| machine_class
->no_sdcard
) {
4163 if (!has_defaults
) {
4164 default_monitor
= 0;
4169 if (is_daemonized()) {
4170 if (!preconfig_exit_requested
) {
4171 error_report("'preconfig' and 'daemonize' options are "
4172 "mutually exclusive");
4176 /* According to documentation and historically, -nographic redirects
4177 * serial port, parallel port and monitor to stdio, which does not work
4178 * with -daemonize. We can redirect these to null instead, but since
4179 * -nographic is legacy, let's just error out.
4180 * We disallow -nographic only if all other ports are not redirected
4181 * explicitly, to not break existing legacy setups which uses
4182 * -nographic _and_ redirects all ports explicitly - this is valid
4183 * usage, -nographic is just a no-op in this case.
4186 && (default_parallel
|| default_serial
4187 || default_monitor
|| default_virtcon
)) {
4188 error_report("-nographic cannot be used with -daemonize");
4191 #ifdef CONFIG_CURSES
4192 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4193 error_report("curses display cannot be used with -daemonize");
4200 if (default_parallel
)
4201 add_device_config(DEV_PARALLEL
, "null");
4202 if (default_serial
&& default_monitor
) {
4203 add_device_config(DEV_SERIAL
, "mon:stdio");
4204 } else if (default_virtcon
&& default_monitor
) {
4205 add_device_config(DEV_VIRTCON
, "mon:stdio");
4208 add_device_config(DEV_SERIAL
, "stdio");
4209 if (default_virtcon
)
4210 add_device_config(DEV_VIRTCON
, "stdio");
4211 if (default_monitor
)
4212 monitor_parse("stdio", "readline", false);
4216 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4217 if (default_parallel
)
4218 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4219 if (default_monitor
)
4220 monitor_parse("vc:80Cx24C", "readline", false);
4221 if (default_virtcon
)
4222 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4225 #if defined(CONFIG_VNC)
4226 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4230 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4231 if (!qemu_display_find_default(&dpy
)) {
4232 dpy
.type
= DISPLAY_TYPE_NONE
;
4233 #if defined(CONFIG_VNC)
4234 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4238 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4239 dpy
.type
= DISPLAY_TYPE_NONE
;
4242 if ((no_frame
|| alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4243 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4244 "for SDL, ignoring option");
4246 if (dpy
.has_window_close
&&
4247 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4248 error_report("-no-quit is only valid for GTK and SDL, "
4252 qemu_display_early_init(&dpy
);
4253 qemu_console_early_init();
4255 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4256 #if defined(CONFIG_OPENGL)
4257 error_report("OpenGL is not supported by the display");
4259 error_report("OpenGL support is disabled");
4267 if (qemu_opts_foreach(qemu_find_opts("object"),
4268 user_creatable_add_opts_foreach
,
4269 object_create_initial
, NULL
)) {
4273 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4274 chardev_init_func
, NULL
, NULL
)) {
4278 #ifdef CONFIG_VIRTFS
4279 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4280 fsdev_init_func
, NULL
, NULL
)) {
4285 if (qemu_opts_foreach(qemu_find_opts("device"),
4286 device_help_func
, NULL
, NULL
)) {
4290 machine_opts
= qemu_get_machine_opts();
4291 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4293 object_unref(OBJECT(current_machine
));
4297 configure_accelerator(current_machine
);
4299 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4300 error_report("Machine type '%s' is deprecated: %s",
4301 machine_class
->name
, machine_class
->deprecation_reason
);
4305 * Register all the global properties, including accel properties,
4306 * machine properties, and user-specified ones.
4308 register_global_properties(current_machine
);
4311 * Migration object can only be created after global properties
4312 * are applied correctly.
4314 migration_object_init();
4317 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4320 machine_opts
= qemu_get_machine_opts();
4321 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4322 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4323 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4324 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4326 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4328 boot_order
= qemu_opt_get(opts
, "order");
4330 validate_bootdevices(boot_order
, &error_fatal
);
4333 boot_once
= qemu_opt_get(opts
, "once");
4335 validate_bootdevices(boot_once
, &error_fatal
);
4338 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4339 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4343 boot_order
= machine_class
->default_boot_order
;
4346 if (!kernel_cmdline
) {
4347 kernel_cmdline
= "";
4348 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4351 linux_boot
= (kernel_filename
!= NULL
);
4353 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4354 error_report("-append only allowed with -kernel option");
4358 if (!linux_boot
&& initrd_filename
!= NULL
) {
4359 error_report("-initrd only allowed with -kernel option");
4363 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4364 /* fall back to the -kernel/-append */
4365 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4368 os_set_line_buffering();
4370 /* spice needs the timers to be initialized by this point */
4375 if (!tcg_enabled()) {
4376 error_report("-icount is not allowed with hardware virtualization");
4379 configure_icount(icount_opts
, &error_abort
);
4380 qemu_opts_del(icount_opts
);
4383 if (tcg_enabled()) {
4384 qemu_tcg_configure(accel_opts
, &error_fatal
);
4388 QemuOptsList
*net
= qemu_find_opts("net");
4389 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4391 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4397 if (net_init_clients(&err
) < 0) {
4398 error_report_err(err
);
4402 if (qemu_opts_foreach(qemu_find_opts("object"),
4403 user_creatable_add_opts_foreach
,
4404 object_create_delayed
, NULL
)) {
4408 if (tpm_init() < 0) {
4412 /* init the bluetooth world */
4413 if (foreach_device_config(DEV_BT
, bt_parse
))
4416 if (!xen_enabled()) {
4417 /* On 32-bit hosts, QEMU is limited by virtual address space */
4418 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4419 error_report("at most 2047 MB RAM can be simulated");
4426 dirty_bitmap_mig_init();
4428 /* If the currently selected machine wishes to override the units-per-bus
4429 * property of its default HBA interface type, do so now. */
4430 if (machine_class
->units_per_default_bus
) {
4431 override_max_devs(machine_class
->block_default_type
,
4432 machine_class
->units_per_default_bus
);
4435 /* open the virtual block devices */
4436 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4437 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4439 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4440 loc_push_restore(&bdo
->loc
);
4441 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4443 qapi_free_BlockdevOptions(bdo
->bdo
);
4446 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4447 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4450 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4451 &machine_class
->block_default_type
, NULL
)) {
4455 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4457 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4458 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4460 if (qemu_opts_foreach(qemu_find_opts("mon"),
4461 mon_init_func
, NULL
, NULL
)) {
4465 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4467 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4469 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4471 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4474 /* If no default VGA is requested, the default is "none". */
4476 if (machine_class
->default_display
) {
4477 vga_model
= machine_class
->default_display
;
4478 } else if (vga_interface_available(VGA_CIRRUS
)) {
4479 vga_model
= "cirrus";
4480 } else if (vga_interface_available(VGA_STD
)) {
4485 select_vgahw(vga_model
);
4489 i
= select_watchdog(watchdog
);
4491 exit (i
== 1 ? 1 : 0);
4494 /* This checkpoint is required by replay to separate prior clock
4495 reading from the other reads, because timer polling functions query
4496 clock values from the log. */
4497 replay_checkpoint(CHECKPOINT_INIT
);
4498 qdev_machine_init();
4500 current_machine
->ram_size
= ram_size
;
4501 current_machine
->maxram_size
= maxram_size
;
4502 current_machine
->ram_slots
= ram_slots
;
4503 current_machine
->boot_order
= boot_order
;
4505 /* parse features once if machine provides default cpu_type */
4506 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4508 current_machine
->cpu_type
= parse_cpu_model(cpu_model
);
4510 parse_numa_opts(current_machine
);
4512 /* do monitor/qmp handling at preconfig state if requested */
4515 /* from here on runstate is RUN_STATE_PRELAUNCH */
4516 machine_run_board_init(current_machine
);
4522 if (hax_enabled()) {
4526 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4527 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4531 /* init USB devices */
4532 if (machine_usb(current_machine
)) {
4533 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4537 /* Check if IGD GFX passthrough. */
4540 /* init generic devices */
4541 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4542 if (qemu_opts_foreach(qemu_find_opts("device"),
4543 device_init_func
, NULL
, NULL
)) {
4547 cpu_synchronize_all_post_init();
4549 rom_reset_order_override();
4551 /* Did we create any drives that we failed to create a device for? */
4552 drive_check_orphaned();
4554 /* Don't warn about the default network setup that you get if
4555 * no command line -net or -netdev options are specified. There
4556 * are two cases that we would otherwise complain about:
4557 * (1) board doesn't support a NIC but the implicit "-net nic"
4559 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4560 * sets up a nic that isn't connected to anything.
4562 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4563 net_check_clients();
4567 qemu_boot_set(boot_once
, &error_fatal
);
4568 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4571 /* init local displays */
4572 ds
= init_displaystate();
4573 qemu_display_init(ds
, &dpy
);
4575 /* must be after terminal init, SDL library changes signal handlers */
4576 os_setup_signal_handling();
4578 /* init remote displays */
4580 qemu_opts_foreach(qemu_find_opts("vnc"),
4581 vnc_init_func
, NULL
, NULL
);
4585 qemu_spice_display_init();
4588 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4592 qdev_machine_creation_done();
4594 /* TODO: once all bus devices are qdevified, this should be done
4595 * when bus is created by qdev.c */
4596 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4597 qemu_run_machine_init_done_notifiers();
4599 if (rom_check_and_register_reset() != 0) {
4600 error_report("rom check and register reset failed");
4606 /* This checkpoint is required by replay to separate prior clock
4607 reading from the other reads, because timer polling functions query
4608 clock values from the log. */
4609 replay_checkpoint(CHECKPOINT_RESET
);
4610 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4611 register_global_state();
4612 if (replay_mode
!= REPLAY_MODE_NONE
) {
4613 replay_vmstate_init();
4614 } else if (loadvm
) {
4615 Error
*local_err
= NULL
;
4616 if (load_snapshot(loadvm
, &local_err
) < 0) {
4617 error_report_err(local_err
);
4622 qdev_prop_check_globals();
4623 if (vmstate_dump_file
) {
4625 dump_vmstate_json_to_file(vmstate_dump_file
);
4630 Error
*local_err
= NULL
;
4631 qemu_start_incoming_migration(incoming
, &local_err
);
4633 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4636 } else if (autostart
) {
4640 accel_setup_post(current_machine
);
4645 gdbserver_cleanup();
4647 /* No more vcpu or device emulation activity beyond this point */
4650 job_cancel_sync_all();
4655 /* vhost-user must be cleaned up before chardevs. */
4661 user_creatable_cleanup();
4662 migration_object_finalize();
4663 /* TODO: unref root container, check all devices are ok */