4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
39 #if defined(__APPLE__) || defined(main)
41 int qemu_main(int argc
, char **argv
, char **envp
);
42 int main(int argc
, char **argv
)
44 return qemu_main(argc
, argv
, NULL
);
47 #define main qemu_main
49 #endif /* CONFIG_SDL */
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
130 static const char *data_dir
[16];
131 static int data_dir_idx
;
132 const char *bios_name
= NULL
;
133 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
134 int request_opengl
= -1;
136 const char* keyboard_layout
= NULL
;
138 const char *mem_path
= NULL
;
139 int mem_prealloc
= 0; /* force preallocation of physical target memory */
140 bool enable_mlock
= false;
142 NICInfo nd_table
[MAX_NICS
];
144 static int rtc_utc
= 1;
145 static int rtc_date_offset
= -1; /* -1 means no change */
146 QEMUClockType rtc_clock
;
147 int vga_interface_type
= VGA_NONE
;
148 static int full_screen
= 0;
149 static int no_frame
= 0;
151 static bool grab_on_hover
;
152 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
153 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
154 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
155 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
156 int win2k_install_hack
= 0;
162 int acpi_enabled
= 1;
165 static int no_reboot
;
168 int graphic_rotate
= 0;
169 const char *watchdog
;
170 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
173 const char *qemu_name
;
176 unsigned int nb_prom_envs
= 0;
177 const char *prom_envs
[MAX_PROM_ENVS
];
180 uint8_t *boot_splash_filedata
;
181 size_t boot_splash_filedata_size
;
182 uint8_t qemu_extra_params_fw
[2];
184 int icount_align_option
;
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 static NotifierList exit_notifiers
=
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
195 static NotifierList machine_init_done_notifiers
=
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
200 enum xen_mode xen_mode
= XEN_EMULATE
;
202 static int has_defaults
= 1;
203 static int default_serial
= 1;
204 static int default_parallel
= 1;
205 static int default_virtcon
= 1;
206 static int default_sclp
= 1;
207 static int default_monitor
= 1;
208 static int default_floppy
= 1;
209 static int default_cdrom
= 1;
210 static int default_sdcard
= 1;
211 static int default_vga
= 1;
212 static int default_net
= 1;
218 { .driver
= "isa-serial", .flag
= &default_serial
},
219 { .driver
= "isa-parallel", .flag
= &default_parallel
},
220 { .driver
= "isa-fdc", .flag
= &default_floppy
},
221 { .driver
= "ide-cd", .flag
= &default_cdrom
},
222 { .driver
= "ide-hd", .flag
= &default_cdrom
},
223 { .driver
= "ide-drive", .flag
= &default_cdrom
},
224 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
225 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
226 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
227 { .driver
= "VGA", .flag
= &default_vga
},
228 { .driver
= "isa-vga", .flag
= &default_vga
},
229 { .driver
= "cirrus-vga", .flag
= &default_vga
},
230 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
231 { .driver
= "vmware-svga", .flag
= &default_vga
},
232 { .driver
= "qxl-vga", .flag
= &default_vga
},
233 { .driver
= "virtio-vga", .flag
= &default_vga
},
236 static QemuOptsList qemu_rtc_opts
= {
238 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
242 .type
= QEMU_OPT_STRING
,
245 .type
= QEMU_OPT_STRING
,
248 .type
= QEMU_OPT_STRING
,
250 { /* end of list */ }
254 static QemuOptsList qemu_sandbox_opts
= {
256 .implied_opt_name
= "enable",
257 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
261 .type
= QEMU_OPT_BOOL
,
263 { /* end of list */ }
267 static QemuOptsList qemu_option_rom_opts
= {
268 .name
= "option-rom",
269 .implied_opt_name
= "romfile",
270 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
274 .type
= QEMU_OPT_NUMBER
,
277 .type
= QEMU_OPT_STRING
,
279 { /* end of list */ }
283 static QemuOptsList qemu_machine_opts
= {
285 .implied_opt_name
= "type",
287 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
290 * no elements => accept any
291 * sanity checking will happen later
292 * when setting machine properties
298 static QemuOptsList qemu_boot_opts
= {
300 .implied_opt_name
= "order",
302 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
306 .type
= QEMU_OPT_STRING
,
309 .type
= QEMU_OPT_STRING
,
312 .type
= QEMU_OPT_BOOL
,
315 .type
= QEMU_OPT_STRING
,
317 .name
= "splash-time",
318 .type
= QEMU_OPT_STRING
,
320 .name
= "reboot-timeout",
321 .type
= QEMU_OPT_STRING
,
324 .type
= QEMU_OPT_BOOL
,
330 static QemuOptsList qemu_add_fd_opts
= {
332 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
336 .type
= QEMU_OPT_NUMBER
,
337 .help
= "file descriptor of which a duplicate is added to fd set",
340 .type
= QEMU_OPT_NUMBER
,
341 .help
= "ID of the fd set to add fd to",
344 .type
= QEMU_OPT_STRING
,
345 .help
= "free-form string used to describe fd",
347 { /* end of list */ }
351 static QemuOptsList qemu_object_opts
= {
353 .implied_opt_name
= "qom-type",
354 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
360 static QemuOptsList qemu_tpmdev_opts
= {
362 .implied_opt_name
= "type",
363 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
365 /* options are defined in the TPM backends */
366 { /* end of list */ }
370 static QemuOptsList qemu_realtime_opts
= {
372 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
376 .type
= QEMU_OPT_BOOL
,
378 { /* end of list */ }
382 static QemuOptsList qemu_msg_opts
= {
384 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
388 .type
= QEMU_OPT_BOOL
,
390 { /* end of list */ }
394 static QemuOptsList qemu_name_opts
= {
396 .implied_opt_name
= "guest",
398 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
402 .type
= QEMU_OPT_STRING
,
403 .help
= "Sets the name of the guest.\n"
404 "This name will be displayed in the SDL window caption.\n"
405 "The name will also be used for the VNC server",
408 .type
= QEMU_OPT_STRING
,
409 .help
= "Sets the name of the QEMU process, as shown in top etc",
411 .name
= "debug-threads",
412 .type
= QEMU_OPT_BOOL
,
413 .help
= "When enabled, name the individual threads; defaults off.\n"
414 "NOTE: The thread names are for debugging and not a\n"
417 { /* End of list */ }
421 static QemuOptsList qemu_mem_opts
= {
423 .implied_opt_name
= "size",
424 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
429 .type
= QEMU_OPT_SIZE
,
433 .type
= QEMU_OPT_NUMBER
,
437 .type
= QEMU_OPT_SIZE
,
439 { /* end of list */ }
443 static QemuOptsList qemu_icount_opts
= {
445 .implied_opt_name
= "shift",
447 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
451 .type
= QEMU_OPT_STRING
,
454 .type
= QEMU_OPT_BOOL
,
457 .type
= QEMU_OPT_BOOL
,
460 .type
= QEMU_OPT_STRING
,
463 .type
= QEMU_OPT_STRING
,
465 { /* end of list */ }
469 static QemuOptsList qemu_semihosting_config_opts
= {
470 .name
= "semihosting-config",
471 .implied_opt_name
= "enable",
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
476 .type
= QEMU_OPT_BOOL
,
479 .type
= QEMU_OPT_STRING
,
482 .type
= QEMU_OPT_STRING
,
484 { /* end of list */ }
488 static QemuOptsList qemu_fw_cfg_opts
= {
490 .implied_opt_name
= "name",
491 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
495 .type
= QEMU_OPT_STRING
,
496 .help
= "Sets the fw_cfg name of the blob to be inserted",
499 .type
= QEMU_OPT_STRING
,
500 .help
= "Sets the name of the file from which\n"
501 "the fw_cfg blob will be loaded",
504 .type
= QEMU_OPT_STRING
,
505 .help
= "Sets content of the blob to be inserted from a string",
507 { /* end of list */ }
511 #ifdef CONFIG_LIBISCSI
512 static QemuOptsList qemu_iscsi_opts
= {
514 .head
= QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts
.head
),
518 .type
= QEMU_OPT_STRING
,
519 .help
= "username for CHAP authentication to target",
522 .type
= QEMU_OPT_STRING
,
523 .help
= "password for CHAP authentication to target",
525 .name
= "password-secret",
526 .type
= QEMU_OPT_STRING
,
527 .help
= "ID of the secret providing password for CHAP "
528 "authentication to target",
530 .name
= "header-digest",
531 .type
= QEMU_OPT_STRING
,
532 .help
= "HeaderDigest setting. "
533 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
535 .name
= "initiator-name",
536 .type
= QEMU_OPT_STRING
,
537 .help
= "Initiator iqn name to use when connecting",
540 .type
= QEMU_OPT_NUMBER
,
541 .help
= "Request timeout in seconds (default 0 = no timeout)",
543 { /* end of list */ }
549 * Get machine options
551 * Returns: machine options (never null).
553 QemuOpts
*qemu_get_machine_opts(void)
555 return qemu_find_opts_singleton("machine");
558 const char *qemu_get_vm_name(void)
563 static void res_free(void)
565 g_free(boot_splash_filedata
);
566 boot_splash_filedata
= NULL
;
569 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
571 const char *driver
= qemu_opt_get(opts
, "driver");
576 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
577 if (strcmp(default_list
[i
].driver
, driver
) != 0)
579 *(default_list
[i
].flag
) = 0;
584 /***********************************************************/
587 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
589 /* We use RUN_STATE__MAX but any invalid value will do */
590 static RunState vmstop_requested
= RUN_STATE__MAX
;
591 static QemuMutex vmstop_lock
;
596 } RunStateTransition
;
598 static const RunStateTransition runstate_transitions_def
[] = {
600 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
601 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
604 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
605 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
606 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
607 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
608 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
609 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
610 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
611 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
612 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
613 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
614 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
616 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
617 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
618 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
620 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
621 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
624 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
625 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
628 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
629 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
630 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
632 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
633 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
634 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
636 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
637 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
638 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
640 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
641 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
643 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
644 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
645 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
646 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
647 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
648 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
649 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
650 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
651 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
652 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
654 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
656 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
657 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
658 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
660 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
661 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
662 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
663 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
664 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
666 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
667 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
668 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
670 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
671 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
672 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
674 { RUN_STATE__MAX
, RUN_STATE__MAX
},
677 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
679 bool runstate_check(RunState state
)
681 return current_run_state
== state
;
684 bool runstate_store(char *str
, size_t size
)
686 const char *state
= RunState_lookup
[current_run_state
];
687 size_t len
= strlen(state
) + 1;
692 memcpy(str
, state
, len
);
696 static void runstate_init(void)
698 const RunStateTransition
*p
;
700 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
701 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
702 runstate_valid_transitions
[p
->from
][p
->to
] = true;
705 qemu_mutex_init(&vmstop_lock
);
708 /* This function will abort() on invalid state transitions */
709 void runstate_set(RunState new_state
)
711 assert(new_state
< RUN_STATE__MAX
);
713 if (current_run_state
== new_state
) {
717 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
718 error_report("invalid runstate transition: '%s' -> '%s'",
719 RunState_lookup
[current_run_state
],
720 RunState_lookup
[new_state
]);
723 trace_runstate_set(new_state
);
724 current_run_state
= new_state
;
727 int runstate_is_running(void)
729 return runstate_check(RUN_STATE_RUNNING
);
732 bool runstate_needs_reset(void)
734 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
735 runstate_check(RUN_STATE_SHUTDOWN
);
738 StatusInfo
*qmp_query_status(Error
**errp
)
740 StatusInfo
*info
= g_malloc0(sizeof(*info
));
742 info
->running
= runstate_is_running();
743 info
->singlestep
= singlestep
;
744 info
->status
= current_run_state
;
749 static bool qemu_vmstop_requested(RunState
*r
)
751 qemu_mutex_lock(&vmstop_lock
);
752 *r
= vmstop_requested
;
753 vmstop_requested
= RUN_STATE__MAX
;
754 qemu_mutex_unlock(&vmstop_lock
);
755 return *r
< RUN_STATE__MAX
;
758 void qemu_system_vmstop_request_prepare(void)
760 qemu_mutex_lock(&vmstop_lock
);
763 void qemu_system_vmstop_request(RunState state
)
765 vmstop_requested
= state
;
766 qemu_mutex_unlock(&vmstop_lock
);
774 qemu_vmstop_requested(&requested
);
775 if (runstate_is_running() && requested
== RUN_STATE__MAX
) {
779 /* Ensure that a STOP/RESUME pair of events is emitted if a
780 * vmstop request was pending. The BLOCK_IO_ERROR event, for
781 * example, according to documentation is always followed by
784 if (runstate_is_running()) {
785 qapi_event_send_stop(&error_abort
);
787 replay_enable_events();
789 runstate_set(RUN_STATE_RUNNING
);
790 vm_state_notify(1, RUN_STATE_RUNNING
);
794 qapi_event_send_resume(&error_abort
);
798 /***********************************************************/
799 /* real time host monotonic timer */
801 static time_t qemu_time(void)
803 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
806 /***********************************************************/
807 /* host time/date access */
808 void qemu_get_timedate(struct tm
*tm
, int offset
)
810 time_t ti
= qemu_time();
813 if (rtc_date_offset
== -1) {
817 localtime_r(&ti
, tm
);
819 ti
-= rtc_date_offset
;
824 int qemu_timedate_diff(struct tm
*tm
)
828 if (rtc_date_offset
== -1)
830 seconds
= mktimegm(tm
);
833 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
834 seconds
= mktime(&tmp
);
837 seconds
= mktimegm(tm
) + rtc_date_offset
;
839 return seconds
- qemu_time();
842 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
844 time_t rtc_start_date
;
847 if (!strcmp(startdate
, "now") && legacy
) {
848 rtc_date_offset
= -1;
850 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
858 } else if (sscanf(startdate
, "%d-%d-%d",
870 rtc_start_date
= mktimegm(&tm
);
871 if (rtc_start_date
== -1) {
873 error_report("invalid date format");
874 error_printf("valid formats: "
875 "'2006-06-17T16:01:21' or '2006-06-17'\n");
878 rtc_date_offset
= qemu_time() - rtc_start_date
;
882 static void configure_rtc(QemuOpts
*opts
)
886 value
= qemu_opt_get(opts
, "base");
888 if (!strcmp(value
, "utc")) {
890 } else if (!strcmp(value
, "localtime")) {
891 Error
*blocker
= NULL
;
893 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
894 "-rtc base=localtime");
895 replay_add_blocker(blocker
);
897 configure_rtc_date_offset(value
, 0);
900 value
= qemu_opt_get(opts
, "clock");
902 if (!strcmp(value
, "host")) {
903 rtc_clock
= QEMU_CLOCK_HOST
;
904 } else if (!strcmp(value
, "rt")) {
905 rtc_clock
= QEMU_CLOCK_REALTIME
;
906 } else if (!strcmp(value
, "vm")) {
907 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
909 error_report("invalid option value '%s'", value
);
913 value
= qemu_opt_get(opts
, "driftfix");
915 if (!strcmp(value
, "slew")) {
916 static GlobalProperty slew_lost_ticks
= {
917 .driver
= "mc146818rtc",
918 .property
= "lost_tick_policy",
922 qdev_prop_register_global(&slew_lost_ticks
);
923 } else if (!strcmp(value
, "none")) {
924 /* discard is default */
926 error_report("invalid option value '%s'", value
);
932 /***********************************************************/
933 /* Bluetooth support */
936 static struct HCIInfo
*hci_table
[MAX_NICS
];
938 struct HCIInfo
*qemu_next_hci(void)
940 if (cur_hci
== nb_hcis
)
943 return hci_table
[cur_hci
++];
946 static int bt_hci_parse(const char *str
)
951 if (nb_hcis
>= MAX_NICS
) {
952 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
965 bdaddr
.b
[5] = 0x56 + nb_hcis
;
966 hci
->bdaddr_set(hci
, bdaddr
.b
);
968 hci_table
[nb_hcis
++] = hci
;
973 static void bt_vhci_add(int vlan_id
)
975 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
978 error_report("warning: adding a VHCI to an empty scatternet %i",
981 bt_vhci_init(bt_new_hci(vlan
));
984 static struct bt_device_s
*bt_device_add(const char *opt
)
986 struct bt_scatternet_s
*vlan
;
988 char *endp
= strstr(opt
, ",vlan=");
989 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
992 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
995 vlan_id
= strtol(endp
+ 6, &endp
, 0);
997 error_report("unrecognised bluetooth vlan Id");
1002 vlan
= qemu_find_bt_vlan(vlan_id
);
1005 error_report("warning: adding a slave device to an empty scatternet %i",
1008 if (!strcmp(devname
, "keyboard"))
1009 return bt_keyboard_init(vlan
);
1011 error_report("unsupported bluetooth device '%s'", devname
);
1015 static int bt_parse(const char *opt
)
1017 const char *endp
, *p
;
1020 if (strstart(opt
, "hci", &endp
)) {
1021 if (!*endp
|| *endp
== ',') {
1023 if (!strstart(endp
, ",vlan=", 0))
1026 return bt_hci_parse(opt
);
1028 } else if (strstart(opt
, "vhci", &endp
)) {
1029 if (!*endp
|| *endp
== ',') {
1031 if (strstart(endp
, ",vlan=", &p
)) {
1032 vlan
= strtol(p
, (char **) &endp
, 0);
1034 error_report("bad scatternet '%s'", p
);
1038 error_report("bad parameter '%s'", endp
+ 1);
1047 } else if (strstart(opt
, "device:", &endp
))
1048 return !bt_device_add(endp
);
1050 error_report("bad bluetooth parameter '%s'", opt
);
1054 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1056 /* FIXME: change this to true for 1.3 */
1057 if (qemu_opt_get_bool(opts
, "enable", false)) {
1058 #ifdef CONFIG_SECCOMP
1059 if (seccomp_start() < 0) {
1060 error_report("failed to install seccomp syscall filter "
1065 error_report("seccomp support is disabled");
1073 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1075 const char *proc_name
;
1077 if (qemu_opt_get(opts
, "debug-threads")) {
1078 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1080 qemu_name
= qemu_opt_get(opts
, "guest");
1082 proc_name
= qemu_opt_get(opts
, "process");
1084 os_set_proc_name(proc_name
);
1090 bool defaults_enabled(void)
1092 return has_defaults
;
1096 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1098 int fd
, dupfd
, flags
;
1100 const char *fd_opaque
= NULL
;
1103 fd
= qemu_opt_get_number(opts
, "fd", -1);
1104 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1105 fd_opaque
= qemu_opt_get(opts
, "opaque");
1108 error_report("fd option is required and must be non-negative");
1112 if (fd
<= STDERR_FILENO
) {
1113 error_report("fd cannot be a standard I/O stream");
1118 * All fds inherited across exec() necessarily have FD_CLOEXEC
1119 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1121 flags
= fcntl(fd
, F_GETFD
);
1122 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1123 error_report("fd is not valid or already in use");
1128 error_report("set option is required and must be non-negative");
1132 #ifdef F_DUPFD_CLOEXEC
1133 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1137 qemu_set_cloexec(dupfd
);
1141 error_report("error duplicating fd: %s", strerror(errno
));
1145 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1146 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1153 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1157 fd
= qemu_opt_get_number(opts
, "fd", -1);
1164 /***********************************************************/
1165 /* QEMU Block devices */
1167 #define HD_OPTS "media=disk"
1168 #define CDROM_OPTS "media=cdrom"
1170 #define PFLASH_OPTS ""
1174 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1176 BlockInterfaceType
*block_default_type
= opaque
;
1178 return drive_new(opts
, *block_default_type
) == NULL
;
1181 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1183 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1184 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1189 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1190 int index
, const char *optstr
)
1195 if (!enable
|| drive_get_by_index(type
, index
)) {
1199 opts
= drive_add(type
, index
, NULL
, optstr
);
1201 drive_enable_snapshot(NULL
, opts
, NULL
);
1204 dinfo
= drive_new(opts
, type
);
1208 dinfo
->is_default
= true;
1212 static QemuOptsList qemu_smp_opts
= {
1214 .implied_opt_name
= "cpus",
1215 .merge_lists
= true,
1216 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1220 .type
= QEMU_OPT_NUMBER
,
1223 .type
= QEMU_OPT_NUMBER
,
1226 .type
= QEMU_OPT_NUMBER
,
1229 .type
= QEMU_OPT_NUMBER
,
1232 .type
= QEMU_OPT_NUMBER
,
1234 { /*End of list */ }
1238 static void smp_parse(QemuOpts
*opts
)
1241 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1242 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1243 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1244 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1246 /* compute missing values, prefer sockets over cores over threads */
1247 if (cpus
== 0 || sockets
== 0) {
1248 sockets
= sockets
> 0 ? sockets
: 1;
1249 cores
= cores
> 0 ? cores
: 1;
1250 threads
= threads
> 0 ? threads
: 1;
1252 cpus
= cores
* threads
* sockets
;
1254 } else if (cores
== 0) {
1255 threads
= threads
> 0 ? threads
: 1;
1256 cores
= cpus
/ (sockets
* threads
);
1257 cores
= cores
> 0 ? cores
: 1;
1258 } else if (threads
== 0) {
1259 threads
= cpus
/ (cores
* sockets
);
1260 threads
= threads
> 0 ? threads
: 1;
1261 } else if (sockets
* cores
* threads
< cpus
) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) < "
1265 sockets
, cores
, threads
, cpus
);
1269 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1271 if (max_cpus
> MAX_CPUMASK_BITS
) {
1272 error_report("unsupported number of maxcpus");
1276 if (max_cpus
< cpus
) {
1277 error_report("maxcpus must be equal to or greater than smp");
1281 if (sockets
* cores
* threads
> max_cpus
) {
1282 error_report("cpu topology: "
1283 "sockets (%u) * cores (%u) * threads (%u) > "
1285 sockets
, cores
, threads
, max_cpus
);
1291 smp_threads
= threads
;
1295 Error
*blocker
= NULL
;
1296 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1297 replay_add_blocker(blocker
);
1301 static void realtime_init(void)
1304 if (os_mlock() < 0) {
1305 error_report("locking memory failed");
1312 static void configure_msg(QemuOpts
*opts
)
1314 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1317 /***********************************************************/
1320 typedef struct SemihostingConfig
{
1322 SemihostingTarget target
;
1325 const char *cmdline
; /* concatenated argv */
1326 } SemihostingConfig
;
1328 static SemihostingConfig semihosting
;
1330 bool semihosting_enabled(void)
1332 return semihosting
.enabled
;
1335 SemihostingTarget
semihosting_get_target(void)
1337 return semihosting
.target
;
1340 const char *semihosting_get_arg(int i
)
1342 if (i
>= semihosting
.argc
) {
1345 return semihosting
.argv
[i
];
1348 int semihosting_get_argc(void)
1350 return semihosting
.argc
;
1353 const char *semihosting_get_cmdline(void)
1355 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1356 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1358 return semihosting
.cmdline
;
1361 static int add_semihosting_arg(void *opaque
,
1362 const char *name
, const char *val
,
1365 SemihostingConfig
*s
= opaque
;
1366 if (strcmp(name
, "arg") == 0) {
1368 /* one extra element as g_strjoinv() expects NULL-terminated array */
1369 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1370 s
->argv
[s
->argc
- 1] = val
;
1371 s
->argv
[s
->argc
] = NULL
;
1376 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1377 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1382 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1384 /* split -append and initialize argv[1..n] */
1385 cmd_token
= strtok(g_strdup(cmd
), " ");
1387 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1388 cmd_token
= strtok(NULL
, " ");
1392 /* Now we still need this for compatibility with XEN. */
1393 bool has_igd_gfx_passthru
;
1394 static void igd_gfx_passthru(void)
1396 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1399 /***********************************************************/
1402 static int usb_device_add(const char *devname
)
1404 USBDevice
*dev
= NULL
;
1405 #ifndef CONFIG_LINUX
1409 if (!machine_usb(current_machine
)) {
1413 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1414 dev
= usbdevice_create(devname
);
1418 /* the other ones */
1419 #ifndef CONFIG_LINUX
1420 /* only the linux version is qdev-ified, usb-bsd still needs this */
1421 if (strstart(devname
, "host:", &p
)) {
1422 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1432 static int usb_device_del(const char *devname
)
1437 if (strstart(devname
, "host:", &p
)) {
1441 if (!machine_usb(current_machine
)) {
1445 p
= strchr(devname
, '.');
1448 bus_num
= strtoul(devname
, NULL
, 0);
1449 addr
= strtoul(p
+ 1, NULL
, 0);
1451 return usb_device_delete_addr(bus_num
, addr
);
1454 static int usb_parse(const char *cmdline
)
1457 r
= usb_device_add(cmdline
);
1459 error_report("could not add USB device '%s'", cmdline
);
1464 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1466 const char *devname
= qdict_get_str(qdict
, "devname");
1467 if (usb_device_add(devname
) < 0) {
1468 error_report("could not add USB device '%s'", devname
);
1472 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1474 const char *devname
= qdict_get_str(qdict
, "devname");
1475 if (usb_device_del(devname
) < 0) {
1476 error_report("could not delete USB device '%s'", devname
);
1480 /***********************************************************/
1481 /* machine registration */
1483 MachineState
*current_machine
;
1485 static MachineClass
*find_machine(const char *name
)
1487 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1488 MachineClass
*mc
= NULL
;
1490 for (el
= machines
; el
; el
= el
->next
) {
1491 MachineClass
*temp
= el
->data
;
1493 if (!strcmp(temp
->name
, name
)) {
1498 !strcmp(temp
->alias
, name
)) {
1504 g_slist_free(machines
);
1508 MachineClass
*find_default_machine(void)
1510 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1511 MachineClass
*mc
= NULL
;
1513 for (el
= machines
; el
; el
= el
->next
) {
1514 MachineClass
*temp
= el
->data
;
1516 if (temp
->is_default
) {
1522 g_slist_free(machines
);
1526 MachineInfoList
*qmp_query_machines(Error
**errp
)
1528 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1529 MachineInfoList
*mach_list
= NULL
;
1531 for (el
= machines
; el
; el
= el
->next
) {
1532 MachineClass
*mc
= el
->data
;
1533 MachineInfoList
*entry
;
1536 info
= g_malloc0(sizeof(*info
));
1537 if (mc
->is_default
) {
1538 info
->has_is_default
= true;
1539 info
->is_default
= true;
1543 info
->has_alias
= true;
1544 info
->alias
= g_strdup(mc
->alias
);
1547 info
->name
= g_strdup(mc
->name
);
1548 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1549 info
->hotpluggable_cpus
= !!mc
->query_hotpluggable_cpus
;
1551 entry
= g_malloc0(sizeof(*entry
));
1552 entry
->value
= info
;
1553 entry
->next
= mach_list
;
1557 g_slist_free(machines
);
1561 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1563 ObjectProperty
*prop
;
1564 ObjectPropertyIterator iter
;
1566 if (!qemu_opt_has_help_opt(opts
)) {
1570 object_property_iter_init(&iter
, OBJECT(machine
));
1571 while ((prop
= object_property_iter_next(&iter
))) {
1576 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1577 prop
->name
, prop
->type
);
1578 if (prop
->description
) {
1579 error_printf(" (%s)\n", prop
->description
);
1588 /***********************************************************/
1589 /* main execution loop */
1591 struct vm_change_state_entry
{
1592 VMChangeStateHandler
*cb
;
1594 QLIST_ENTRY (vm_change_state_entry
) entries
;
1597 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1599 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1602 VMChangeStateEntry
*e
;
1604 e
= g_malloc0(sizeof (*e
));
1608 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1612 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1614 QLIST_REMOVE (e
, entries
);
1618 void vm_state_notify(int running
, RunState state
)
1620 VMChangeStateEntry
*e
, *next
;
1622 trace_vm_state_notify(running
, state
);
1624 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1625 e
->cb(e
->opaque
, running
, state
);
1629 /* reset/shutdown handler */
1631 typedef struct QEMUResetEntry
{
1632 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1633 QEMUResetHandler
*func
;
1637 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1638 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1639 static int reset_requested
;
1640 static int shutdown_requested
, shutdown_signal
= -1;
1641 static pid_t shutdown_pid
;
1642 static int powerdown_requested
;
1643 static int debug_requested
;
1644 static int suspend_requested
;
1645 static WakeupReason wakeup_reason
;
1646 static NotifierList powerdown_notifiers
=
1647 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1648 static NotifierList suspend_notifiers
=
1649 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1650 static NotifierList wakeup_notifiers
=
1651 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1652 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1654 int qemu_shutdown_requested_get(void)
1656 return shutdown_requested
;
1659 int qemu_reset_requested_get(void)
1661 return reset_requested
;
1664 static int qemu_shutdown_requested(void)
1666 return atomic_xchg(&shutdown_requested
, 0);
1669 static void qemu_kill_report(void)
1671 if (!qtest_driver() && shutdown_signal
!= -1) {
1672 if (shutdown_pid
== 0) {
1673 /* This happens for eg ^C at the terminal, so it's worth
1674 * avoiding printing an odd message in that case.
1676 error_report("terminating on signal %d", shutdown_signal
);
1678 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1680 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1681 shutdown_signal
, shutdown_pid
,
1682 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1683 g_free(shutdown_cmd
);
1685 shutdown_signal
= -1;
1689 static int qemu_reset_requested(void)
1691 int r
= reset_requested
;
1692 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1693 reset_requested
= 0;
1699 static int qemu_suspend_requested(void)
1701 int r
= suspend_requested
;
1702 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1703 suspend_requested
= 0;
1709 static WakeupReason
qemu_wakeup_requested(void)
1711 return wakeup_reason
;
1714 static int qemu_powerdown_requested(void)
1716 int r
= powerdown_requested
;
1717 powerdown_requested
= 0;
1721 static int qemu_debug_requested(void)
1723 int r
= debug_requested
;
1724 debug_requested
= 0;
1728 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1730 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1733 re
->opaque
= opaque
;
1734 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1737 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1741 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1742 if (re
->func
== func
&& re
->opaque
== opaque
) {
1743 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1750 void qemu_devices_reset(void)
1752 QEMUResetEntry
*re
, *nre
;
1754 /* reset all devices */
1755 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1756 re
->func(re
->opaque
);
1760 void qemu_system_reset(bool report
)
1764 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1766 cpu_synchronize_all_states();
1768 if (mc
&& mc
->reset
) {
1771 qemu_devices_reset();
1774 qapi_event_send_reset(&error_abort
);
1776 cpu_synchronize_all_post_reset();
1779 void qemu_system_guest_panicked(void)
1782 current_cpu
->crash_occurred
= true;
1784 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1785 vm_stop(RUN_STATE_GUEST_PANICKED
);
1788 void qemu_system_reset_request(void)
1791 shutdown_requested
= 1;
1793 reset_requested
= 1;
1796 qemu_notify_event();
1799 static void qemu_system_suspend(void)
1802 notifier_list_notify(&suspend_notifiers
, NULL
);
1803 runstate_set(RUN_STATE_SUSPENDED
);
1804 qapi_event_send_suspend(&error_abort
);
1807 void qemu_system_suspend_request(void)
1809 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1812 suspend_requested
= 1;
1814 qemu_notify_event();
1817 void qemu_register_suspend_notifier(Notifier
*notifier
)
1819 notifier_list_add(&suspend_notifiers
, notifier
);
1822 void qemu_system_wakeup_request(WakeupReason reason
)
1824 trace_system_wakeup_request(reason
);
1826 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1829 if (!(wakeup_reason_mask
& (1 << reason
))) {
1832 runstate_set(RUN_STATE_RUNNING
);
1833 wakeup_reason
= reason
;
1834 qemu_notify_event();
1837 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1840 wakeup_reason_mask
|= (1 << reason
);
1842 wakeup_reason_mask
&= ~(1 << reason
);
1846 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1848 notifier_list_add(&wakeup_notifiers
, notifier
);
1851 void qemu_system_killed(int signal
, pid_t pid
)
1853 shutdown_signal
= signal
;
1857 /* Cannot call qemu_system_shutdown_request directly because
1858 * we are in a signal handler.
1860 shutdown_requested
= 1;
1861 qemu_notify_event();
1864 void qemu_system_shutdown_request(void)
1866 trace_qemu_system_shutdown_request();
1867 replay_shutdown_request();
1868 shutdown_requested
= 1;
1869 qemu_notify_event();
1872 static void qemu_system_powerdown(void)
1874 qapi_event_send_powerdown(&error_abort
);
1875 notifier_list_notify(&powerdown_notifiers
, NULL
);
1878 void qemu_system_powerdown_request(void)
1880 trace_qemu_system_powerdown_request();
1881 powerdown_requested
= 1;
1882 qemu_notify_event();
1885 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1887 notifier_list_add(&powerdown_notifiers
, notifier
);
1890 void qemu_system_debug_request(void)
1892 debug_requested
= 1;
1893 qemu_notify_event();
1896 static bool main_loop_should_exit(void)
1899 if (qemu_debug_requested()) {
1900 vm_stop(RUN_STATE_DEBUG
);
1902 if (qemu_suspend_requested()) {
1903 qemu_system_suspend();
1905 if (qemu_shutdown_requested()) {
1907 qapi_event_send_shutdown(&error_abort
);
1909 vm_stop(RUN_STATE_SHUTDOWN
);
1914 if (qemu_reset_requested()) {
1916 qemu_system_reset(VMRESET_REPORT
);
1918 if (!runstate_check(RUN_STATE_RUNNING
) &&
1919 !runstate_check(RUN_STATE_INMIGRATE
)) {
1920 runstate_set(RUN_STATE_PRELAUNCH
);
1923 if (qemu_wakeup_requested()) {
1925 qemu_system_reset(VMRESET_SILENT
);
1926 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1927 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1929 qapi_event_send_wakeup(&error_abort
);
1931 if (qemu_powerdown_requested()) {
1932 qemu_system_powerdown();
1934 if (qemu_vmstop_requested(&r
)) {
1940 static void main_loop(void)
1944 #ifdef CONFIG_PROFILER
1948 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1949 #ifdef CONFIG_PROFILER
1950 ti
= profile_getclock();
1952 last_io
= main_loop_wait(nonblocking
);
1953 #ifdef CONFIG_PROFILER
1954 dev_time
+= profile_getclock() - ti
;
1956 } while (!main_loop_should_exit());
1959 static void version(void)
1961 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", "
1962 QEMU_COPYRIGHT
"\n");
1965 static void help(int exitcode
)
1968 printf("usage: %s [options] [disk_image]\n\n"
1969 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1970 error_get_progname());
1972 #define QEMU_OPTIONS_GENERATE_HELP
1973 #include "qemu-options-wrapper.h"
1975 printf("\nDuring emulation, the following keys are useful:\n"
1976 "ctrl-alt-f toggle full screen\n"
1977 "ctrl-alt-n switch to virtual console 'n'\n"
1978 "ctrl-alt toggle mouse and keyboard grab\n"
1980 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1985 #define HAS_ARG 0x0001
1987 typedef struct QEMUOption
{
1994 static const QEMUOption qemu_options
[] = {
1995 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1996 #define QEMU_OPTIONS_GENERATE_OPTIONS
1997 #include "qemu-options-wrapper.h"
2001 typedef struct VGAInterfaceInfo
{
2002 const char *opt_name
; /* option name */
2003 const char *name
; /* human-readable name */
2004 /* Class names indicating that support is available.
2005 * If no class is specified, the interface is always available */
2006 const char *class_names
[2];
2009 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
2015 .name
= "standard VGA",
2016 .class_names
= { "VGA", "isa-vga" },
2019 .opt_name
= "cirrus",
2020 .name
= "Cirrus VGA",
2021 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2024 .opt_name
= "vmware",
2025 .name
= "VMWare SVGA",
2026 .class_names
= { "vmware-svga" },
2029 .opt_name
= "virtio",
2030 .name
= "Virtio VGA",
2031 .class_names
= { "virtio-vga" },
2036 .class_names
= { "qxl-vga" },
2040 .name
= "TCX framebuffer",
2041 .class_names
= { "SUNW,tcx" },
2045 .name
= "CG3 framebuffer",
2046 .class_names
= { "cgthree" },
2049 .opt_name
= "xenfb",
2053 static bool vga_interface_available(VGAInterfaceType t
)
2055 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2057 assert(t
< VGA_TYPE_MAX
);
2058 return !ti
->class_names
[0] ||
2059 object_class_by_name(ti
->class_names
[0]) ||
2060 object_class_by_name(ti
->class_names
[1]);
2063 static void select_vgahw(const char *p
)
2068 assert(vga_interface_type
== VGA_NONE
);
2069 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2070 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2071 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2072 if (!vga_interface_available(t
)) {
2073 error_report("%s not available", ti
->name
);
2076 vga_interface_type
= t
;
2080 if (t
== VGA_TYPE_MAX
) {
2082 error_report("unknown vga type: %s", p
);
2086 const char *nextopt
;
2088 if (strstart(opts
, ",retrace=", &nextopt
)) {
2090 if (strstart(opts
, "dumb", &nextopt
))
2091 vga_retrace_method
= VGA_RETRACE_DUMB
;
2092 else if (strstart(opts
, "precise", &nextopt
))
2093 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2094 else goto invalid_vga
;
2095 } else goto invalid_vga
;
2100 typedef enum DisplayType
{
2109 static DisplayType
select_display(const char *p
)
2112 DisplayType display
= DT_DEFAULT
;
2114 if (strstart(p
, "sdl", &opts
)) {
2118 const char *nextopt
;
2120 if (strstart(opts
, ",frame=", &nextopt
)) {
2122 if (strstart(opts
, "on", &nextopt
)) {
2124 } else if (strstart(opts
, "off", &nextopt
)) {
2127 goto invalid_sdl_args
;
2129 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2131 if (strstart(opts
, "on", &nextopt
)) {
2133 } else if (strstart(opts
, "off", &nextopt
)) {
2136 goto invalid_sdl_args
;
2138 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2140 if (strstart(opts
, "on", &nextopt
)) {
2142 } else if (strstart(opts
, "off", &nextopt
)) {
2145 goto invalid_sdl_args
;
2147 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2149 if (strstart(opts
, "on", &nextopt
)) {
2151 } else if (strstart(opts
, "off", &nextopt
)) {
2154 goto invalid_sdl_args
;
2156 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2158 if (strstart(opts
, "on", &nextopt
)) {
2160 } else if (strstart(opts
, "off", &nextopt
)) {
2163 goto invalid_sdl_args
;
2167 error_report("invalid SDL option string");
2173 error_report("SDL support is disabled");
2176 } else if (strstart(p
, "vnc", &opts
)) {
2178 vnc_parse(opts
+ 1, &error_fatal
);
2180 error_report("VNC requires a display argument vnc=<display>");
2183 } else if (strstart(p
, "curses", &opts
)) {
2184 #ifdef CONFIG_CURSES
2185 display
= DT_CURSES
;
2187 error_report("curses support is disabled");
2190 } else if (strstart(p
, "gtk", &opts
)) {
2194 const char *nextopt
;
2196 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2198 if (strstart(opts
, "on", &nextopt
)) {
2199 grab_on_hover
= true;
2200 } else if (strstart(opts
, "off", &nextopt
)) {
2201 grab_on_hover
= false;
2203 goto invalid_gtk_args
;
2205 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2207 if (strstart(opts
, "on", &nextopt
)) {
2209 } else if (strstart(opts
, "off", &nextopt
)) {
2212 goto invalid_gtk_args
;
2216 error_report("invalid GTK option string");
2222 error_report("GTK support is disabled");
2225 } else if (strstart(p
, "none", &opts
)) {
2228 error_report("unknown display type");
2235 static int balloon_parse(const char *arg
)
2239 if (strcmp(arg
, "none") == 0) {
2243 if (!strncmp(arg
, "virtio", 6)) {
2244 if (arg
[6] == ',') {
2245 /* have params -> parse them */
2246 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2251 /* create empty opts */
2252 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2255 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2262 char *qemu_find_file(int type
, const char *name
)
2268 /* Try the name as a straight path first */
2269 if (access(name
, R_OK
) == 0) {
2270 trace_load_file(name
, name
);
2271 return g_strdup(name
);
2275 case QEMU_FILE_TYPE_BIOS
:
2278 case QEMU_FILE_TYPE_KEYMAP
:
2279 subdir
= "keymaps/";
2285 for (i
= 0; i
< data_dir_idx
; i
++) {
2286 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2287 if (access(buf
, R_OK
) == 0) {
2288 trace_load_file(name
, buf
);
2296 static inline bool nonempty_str(const char *str
)
2301 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2305 const char *name
, *file
, *str
;
2306 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2308 if (fw_cfg
== NULL
) {
2309 error_report("fw_cfg device not available");
2312 name
= qemu_opt_get(opts
, "name");
2313 file
= qemu_opt_get(opts
, "file");
2314 str
= qemu_opt_get(opts
, "string");
2316 /* we need name and either a file or the content string */
2317 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2318 error_report("invalid argument(s)");
2321 if (nonempty_str(file
) && nonempty_str(str
)) {
2322 error_report("file and string are mutually exclusive");
2325 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2326 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2329 if (strncmp(name
, "opt/", 4) != 0) {
2330 error_report("warning: externally provided fw_cfg item names "
2331 "should be prefixed with \"opt/\"");
2333 if (nonempty_str(str
)) {
2334 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2335 buf
= g_memdup(str
, size
);
2337 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2338 error_report("can't load %s", file
);
2342 /* For legacy, keep user files in a specific global order. */
2343 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2344 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2345 fw_cfg_reset_order_override(fw_cfg
);
2349 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2351 return qdev_device_help(opts
);
2354 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2359 dev
= qdev_device_add(opts
, &err
);
2361 error_report_err(err
);
2364 object_unref(OBJECT(dev
));
2368 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2370 Error
*local_err
= NULL
;
2372 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2374 error_report_err(local_err
);
2380 #ifdef CONFIG_VIRTFS
2381 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2383 return qemu_fsdev_add(opts
);
2387 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2389 CharDriverState
*chr
;
2390 const char *chardev
;
2394 mode
= qemu_opt_get(opts
, "mode");
2398 if (strcmp(mode
, "readline") == 0) {
2399 flags
= MONITOR_USE_READLINE
;
2400 } else if (strcmp(mode
, "control") == 0) {
2401 flags
= MONITOR_USE_CONTROL
;
2403 error_report("unknown monitor mode \"%s\"", mode
);
2407 if (qemu_opt_get_bool(opts
, "pretty", 0))
2408 flags
|= MONITOR_USE_PRETTY
;
2410 if (qemu_opt_get_bool(opts
, "default", 0))
2411 flags
|= MONITOR_IS_DEFAULT
;
2413 chardev
= qemu_opt_get(opts
, "chardev");
2414 chr
= qemu_chr_find(chardev
);
2416 error_report("chardev \"%s\" not found", chardev
);
2420 qemu_chr_fe_claim_no_fail(chr
);
2421 monitor_init(chr
, flags
);
2425 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2427 static int monitor_device_index
= 0;
2433 if (strstart(optarg
, "chardev:", &p
)) {
2434 snprintf(label
, sizeof(label
), "%s", p
);
2436 snprintf(label
, sizeof(label
), "compat_monitor%d",
2437 monitor_device_index
);
2438 if (monitor_device_index
== 0) {
2441 opts
= qemu_chr_parse_compat(label
, optarg
);
2443 error_report("parse error: %s", optarg
);
2448 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2449 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2450 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2451 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2453 qemu_opt_set(opts
, "default", "on", &error_abort
);
2454 monitor_device_index
++;
2457 struct device_config
{
2459 DEV_USB
, /* -usbdevice */
2461 DEV_SERIAL
, /* -serial */
2462 DEV_PARALLEL
, /* -parallel */
2463 DEV_VIRTCON
, /* -virtioconsole */
2464 DEV_DEBUGCON
, /* -debugcon */
2465 DEV_GDB
, /* -gdb, -s */
2466 DEV_SCLP
, /* s390 sclp */
2468 const char *cmdline
;
2470 QTAILQ_ENTRY(device_config
) next
;
2473 static QTAILQ_HEAD(, device_config
) device_configs
=
2474 QTAILQ_HEAD_INITIALIZER(device_configs
);
2476 static void add_device_config(int type
, const char *cmdline
)
2478 struct device_config
*conf
;
2480 conf
= g_malloc0(sizeof(*conf
));
2482 conf
->cmdline
= cmdline
;
2483 loc_save(&conf
->loc
);
2484 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2487 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2489 struct device_config
*conf
;
2492 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2493 if (conf
->type
!= type
)
2495 loc_push_restore(&conf
->loc
);
2496 rc
= func(conf
->cmdline
);
2497 loc_pop(&conf
->loc
);
2505 static int serial_parse(const char *devname
)
2507 static int index
= 0;
2510 if (strcmp(devname
, "none") == 0)
2512 if (index
== MAX_SERIAL_PORTS
) {
2513 error_report("too many serial ports");
2516 snprintf(label
, sizeof(label
), "serial%d", index
);
2517 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2518 if (!serial_hds
[index
]) {
2519 error_report("could not connect serial device"
2520 " to character backend '%s'", devname
);
2527 static int parallel_parse(const char *devname
)
2529 static int index
= 0;
2532 if (strcmp(devname
, "none") == 0)
2534 if (index
== MAX_PARALLEL_PORTS
) {
2535 error_report("too many parallel ports");
2538 snprintf(label
, sizeof(label
), "parallel%d", index
);
2539 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2540 if (!parallel_hds
[index
]) {
2541 error_report("could not connect parallel device"
2542 " to character backend '%s'", devname
);
2549 static int virtcon_parse(const char *devname
)
2551 QemuOptsList
*device
= qemu_find_opts("device");
2552 static int index
= 0;
2554 QemuOpts
*bus_opts
, *dev_opts
;
2556 if (strcmp(devname
, "none") == 0)
2558 if (index
== MAX_VIRTIO_CONSOLES
) {
2559 error_report("too many virtio consoles");
2563 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2564 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2566 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2567 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2569 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2570 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2571 if (!virtcon_hds
[index
]) {
2572 error_report("could not connect virtio console"
2573 " to character backend '%s'", devname
);
2576 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2582 static int sclp_parse(const char *devname
)
2584 QemuOptsList
*device
= qemu_find_opts("device");
2585 static int index
= 0;
2589 if (strcmp(devname
, "none") == 0) {
2592 if (index
== MAX_SCLP_CONSOLES
) {
2593 error_report("too many sclp consoles");
2597 assert(arch_type
== QEMU_ARCH_S390X
);
2599 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2600 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2602 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2603 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2604 if (!sclp_hds
[index
]) {
2605 error_report("could not connect sclp console"
2606 " to character backend '%s'", devname
);
2609 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2615 static int debugcon_parse(const char *devname
)
2619 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2622 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2624 error_report("already have a debugcon device");
2627 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2628 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2632 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2634 const MachineClass
*mc1
= a
, *mc2
= b
;
2637 if (mc1
->family
== NULL
) {
2638 if (mc2
->family
== NULL
) {
2639 /* Compare standalone machine types against each other; they sort
2640 * in increasing order.
2642 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2643 object_class_get_name(OBJECT_CLASS(mc2
)));
2646 /* Standalone machine types sort after families. */
2650 if (mc2
->family
== NULL
) {
2651 /* Families sort before standalone machine types. */
2655 /* Families sort between each other alphabetically increasingly. */
2656 res
= strcmp(mc1
->family
, mc2
->family
);
2661 /* Within the same family, machine types sort in decreasing order. */
2662 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2663 object_class_get_name(OBJECT_CLASS(mc1
)));
2666 static MachineClass
*machine_parse(const char *name
)
2668 MachineClass
*mc
= NULL
;
2669 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2672 mc
= find_machine(name
);
2675 g_slist_free(machines
);
2678 if (name
&& !is_help_option(name
)) {
2679 error_report("unsupported machine type");
2680 error_printf("Use -machine help to list supported machines\n");
2682 printf("Supported machines are:\n");
2683 machines
= g_slist_sort(machines
, machine_class_cmp
);
2684 for (el
= machines
; el
; el
= el
->next
) {
2685 MachineClass
*mc
= el
->data
;
2687 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2689 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2690 mc
->is_default
? " (default)" : "");
2694 g_slist_free(machines
);
2695 exit(!name
|| !is_help_option(name
));
2698 void qemu_add_exit_notifier(Notifier
*notify
)
2700 notifier_list_add(&exit_notifiers
, notify
);
2703 void qemu_remove_exit_notifier(Notifier
*notify
)
2705 notifier_remove(notify
);
2708 static void qemu_run_exit_notifiers(void)
2710 notifier_list_notify(&exit_notifiers
, NULL
);
2713 static bool machine_init_done
;
2715 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2717 notifier_list_add(&machine_init_done_notifiers
, notify
);
2718 if (machine_init_done
) {
2719 notify
->notify(notify
, NULL
);
2723 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2725 notifier_remove(notify
);
2728 static void qemu_run_machine_init_done_notifiers(void)
2730 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2731 machine_init_done
= true;
2734 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2735 const char **poptarg
, int *poptind
)
2737 const QEMUOption
*popt
;
2738 int optind
= *poptind
;
2739 char *r
= argv
[optind
];
2742 loc_set_cmdline(argv
, optind
, 1);
2744 /* Treat --foo the same as -foo. */
2747 popt
= qemu_options
;
2750 error_report("invalid option");
2753 if (!strcmp(popt
->name
, r
+ 1))
2757 if (popt
->flags
& HAS_ARG
) {
2758 if (optind
>= argc
) {
2759 error_report("requires an argument");
2762 optarg
= argv
[optind
++];
2763 loc_set_cmdline(argv
, optind
- 2, 2);
2774 static MachineClass
*select_machine(void)
2776 MachineClass
*machine_class
= find_default_machine();
2781 loc_push_none(&loc
);
2783 opts
= qemu_get_machine_opts();
2784 qemu_opts_loc_restore(opts
);
2786 optarg
= qemu_opt_get(opts
, "type");
2788 machine_class
= machine_parse(optarg
);
2791 if (!machine_class
) {
2792 error_report("No machine specified, and there is no default");
2793 error_printf("Use -machine help to list supported machines\n");
2798 return machine_class
;
2801 static int machine_set_property(void *opaque
,
2802 const char *name
, const char *value
,
2805 Object
*obj
= OBJECT(opaque
);
2806 Error
*local_err
= NULL
;
2809 if (strcmp(name
, "type") == 0) {
2813 qom_name
= g_strdup(name
);
2821 object_property_parse(obj
, value
, qom_name
, &local_err
);
2825 error_report_err(local_err
);
2834 * Initial object creation happens before all other
2835 * QEMU data types are created. The majority of objects
2836 * can be created at this point. The rng-egd object
2837 * cannot be created here, as it depends on the chardev
2840 static bool object_create_initial(const char *type
)
2842 if (g_str_equal(type
, "rng-egd")) {
2847 * return false for concrete netfilters since
2848 * they depend on netdevs already existing
2850 if (g_str_equal(type
, "filter-buffer") ||
2851 g_str_equal(type
, "filter-dump") ||
2852 g_str_equal(type
, "filter-mirror") ||
2853 g_str_equal(type
, "filter-redirector") ||
2854 g_str_equal(type
, "colo-compare") ||
2855 g_str_equal(type
, "filter-rewriter")) {
2859 /* Memory allocation by backends needs to be done
2860 * after configure_accelerator() (due to the tcg_enabled()
2861 * checks at memory_region_init_*()).
2863 * Also, allocation of large amounts of memory may delay
2864 * chardev initialization for too long, and trigger timeouts
2865 * on software that waits for a monitor socket to be created
2868 if (g_str_has_prefix(type
, "memory-backend-")) {
2877 * The remainder of object creation happens after the
2878 * creation of chardev, fsdev, net clients and device data types.
2880 static bool object_create_delayed(const char *type
)
2882 return !object_create_initial(type
);
2886 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2890 const char *mem_str
;
2891 const char *maxmem_str
, *slots_str
;
2892 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2893 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2896 loc_push_none(&loc
);
2897 qemu_opts_loc_restore(opts
);
2900 mem_str
= qemu_opt_get(opts
, "size");
2903 error_report("missing 'size' option value");
2907 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2909 /* Fix up legacy suffix-less format */
2910 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2911 uint64_t overflow_check
= sz
;
2914 if ((sz
>> 20) != overflow_check
) {
2915 error_report("too large 'size' option value");
2921 /* backward compatibility behaviour for case "-m 0" */
2923 sz
= default_ram_size
;
2926 sz
= QEMU_ALIGN_UP(sz
, 8192);
2928 if (ram_size
!= sz
) {
2929 error_report("ram size too large");
2933 /* store value for the future use */
2934 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2935 *maxram_size
= ram_size
;
2937 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2938 slots_str
= qemu_opt_get(opts
, "slots");
2939 if (maxmem_str
&& slots_str
) {
2942 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2943 slots
= qemu_opt_get_number(opts
, "slots", 0);
2944 if (sz
< ram_size
) {
2945 error_report("invalid value of -m option maxmem: "
2946 "maximum memory size (0x%" PRIx64
") must be at least "
2947 "the initial memory size (0x" RAM_ADDR_FMT
")",
2950 } else if (sz
> ram_size
) {
2952 error_report("invalid value of -m option: maxmem was "
2953 "specified, but no hotplug slots were specified");
2957 error_report("invalid value of -m option maxmem: "
2958 "memory slots were specified but maximum memory size "
2959 "(0x%" PRIx64
") is equal to the initial memory size "
2960 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2966 } else if ((!maxmem_str
&& slots_str
) ||
2967 (maxmem_str
&& !slots_str
)) {
2968 error_report("invalid -m option value: missing "
2969 "'%s' option", slots_str
? "maxmem" : "slots");
2976 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2980 g
= g_malloc0(sizeof(*g
));
2981 g
->driver
= qemu_opt_get(opts
, "driver");
2982 g
->property
= qemu_opt_get(opts
, "property");
2983 g
->value
= qemu_opt_get(opts
, "value");
2984 g
->user_provided
= true;
2985 g
->errp
= &error_fatal
;
2986 qdev_prop_register_global(g
);
2990 int main(int argc
, char **argv
, char **envp
)
2993 int snapshot
, linux_boot
;
2994 const char *initrd_filename
;
2995 const char *kernel_filename
, *kernel_cmdline
;
2996 const char *boot_order
= NULL
;
2997 const char *boot_once
= NULL
;
2999 int cyls
, heads
, secs
, translation
;
3000 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
3001 QemuOptsList
*olist
;
3004 const char *loadvm
= NULL
;
3005 MachineClass
*machine_class
;
3006 const char *cpu_model
;
3007 const char *vga_model
= NULL
;
3008 const char *qtest_chrdev
= NULL
;
3009 const char *qtest_log
= NULL
;
3010 const char *pid_file
= NULL
;
3011 const char *incoming
= NULL
;
3012 bool defconfig
= true;
3013 bool userconfig
= true;
3014 bool nographic
= false;
3015 DisplayType display_type
= DT_DEFAULT
;
3016 int display_remote
= 0;
3017 const char *log_mask
= NULL
;
3018 const char *log_file
= NULL
;
3019 char *trace_file
= NULL
;
3020 ram_addr_t maxram_size
;
3021 uint64_t ram_slots
= 0;
3022 FILE *vmstate_dump_file
= NULL
;
3023 Error
*main_loop_err
= NULL
;
3025 bool list_data_dirs
= false;
3027 module_call_init(MODULE_INIT_TRACE
);
3029 qemu_init_cpu_list();
3030 qemu_init_cpu_loop();
3031 qemu_mutex_lock_iothread();
3033 atexit(qemu_run_exit_notifiers
);
3034 error_set_progname(argv
[0]);
3035 qemu_init_exec_dir(argv
[0]);
3037 module_call_init(MODULE_INIT_QOM
);
3038 module_call_init(MODULE_INIT_QAPI
);
3040 qemu_add_opts(&qemu_drive_opts
);
3041 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3042 qemu_add_drive_opts(&qemu_common_drive_opts
);
3043 qemu_add_drive_opts(&qemu_drive_opts
);
3044 qemu_add_drive_opts(&bdrv_runtime_opts
);
3045 qemu_add_opts(&qemu_chardev_opts
);
3046 qemu_add_opts(&qemu_device_opts
);
3047 qemu_add_opts(&qemu_netdev_opts
);
3048 qemu_add_opts(&qemu_net_opts
);
3049 qemu_add_opts(&qemu_rtc_opts
);
3050 qemu_add_opts(&qemu_global_opts
);
3051 qemu_add_opts(&qemu_mon_opts
);
3052 qemu_add_opts(&qemu_trace_opts
);
3053 qemu_add_opts(&qemu_option_rom_opts
);
3054 qemu_add_opts(&qemu_machine_opts
);
3055 qemu_add_opts(&qemu_mem_opts
);
3056 qemu_add_opts(&qemu_smp_opts
);
3057 qemu_add_opts(&qemu_boot_opts
);
3058 qemu_add_opts(&qemu_sandbox_opts
);
3059 qemu_add_opts(&qemu_add_fd_opts
);
3060 qemu_add_opts(&qemu_object_opts
);
3061 qemu_add_opts(&qemu_tpmdev_opts
);
3062 qemu_add_opts(&qemu_realtime_opts
);
3063 qemu_add_opts(&qemu_msg_opts
);
3064 qemu_add_opts(&qemu_name_opts
);
3065 qemu_add_opts(&qemu_numa_opts
);
3066 qemu_add_opts(&qemu_icount_opts
);
3067 qemu_add_opts(&qemu_semihosting_config_opts
);
3068 qemu_add_opts(&qemu_fw_cfg_opts
);
3069 #ifdef CONFIG_LIBISCSI
3070 qemu_add_opts(&qemu_iscsi_opts
);
3072 module_call_init(MODULE_INIT_OPTS
);
3076 if (qcrypto_init(&err
) < 0) {
3077 error_reportf_err(err
, "cannot initialize crypto: ");
3080 rtc_clock
= QEMU_CLOCK_HOST
;
3082 QLIST_INIT (&vm_change_state_head
);
3083 os_setup_early_signal_handling();
3087 cyls
= heads
= secs
= 0;
3088 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3092 bdrv_init_with_whitelist();
3096 /* first pass of option parsing */
3098 while (optind
< argc
) {
3099 if (argv
[optind
][0] != '-') {
3103 const QEMUOption
*popt
;
3105 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3106 switch (popt
->index
) {
3107 case QEMU_OPTION_nodefconfig
:
3110 case QEMU_OPTION_nouserconfig
:
3119 ret
= qemu_read_default_config_files(userconfig
);
3125 /* second pass of option parsing */
3130 if (argv
[optind
][0] != '-') {
3131 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3133 const QEMUOption
*popt
;
3135 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3136 if (!(popt
->arch_mask
& arch_type
)) {
3137 error_report("Option not supported for this target");
3140 switch(popt
->index
) {
3141 case QEMU_OPTION_no_kvm_irqchip
: {
3142 olist
= qemu_find_opts("machine");
3143 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3146 case QEMU_OPTION_cpu
:
3147 /* hw initialization will check this */
3150 case QEMU_OPTION_hda
:
3154 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3156 snprintf(buf
, sizeof(buf
),
3157 "%s,cyls=%d,heads=%d,secs=%d%s",
3158 HD_OPTS
, cyls
, heads
, secs
,
3159 translation
== BIOS_ATA_TRANSLATION_LBA
?
3161 translation
== BIOS_ATA_TRANSLATION_NONE
?
3162 ",trans=none" : "");
3163 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3166 case QEMU_OPTION_hdb
:
3167 case QEMU_OPTION_hdc
:
3168 case QEMU_OPTION_hdd
:
3169 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3172 case QEMU_OPTION_drive
:
3173 if (drive_def(optarg
) == NULL
) {
3177 case QEMU_OPTION_set
:
3178 if (qemu_set_option(optarg
) != 0)
3181 case QEMU_OPTION_global
:
3182 if (qemu_global_option(optarg
) != 0)
3185 case QEMU_OPTION_mtdblock
:
3186 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3188 case QEMU_OPTION_sd
:
3189 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3191 case QEMU_OPTION_pflash
:
3192 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3194 case QEMU_OPTION_snapshot
:
3197 case QEMU_OPTION_hdachs
:
3201 cyls
= strtol(p
, (char **)&p
, 0);
3202 if (cyls
< 1 || cyls
> 16383)
3207 heads
= strtol(p
, (char **)&p
, 0);
3208 if (heads
< 1 || heads
> 16)
3213 secs
= strtol(p
, (char **)&p
, 0);
3214 if (secs
< 1 || secs
> 63)
3218 if (!strcmp(p
, "large")) {
3219 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3220 } else if (!strcmp(p
, "rechs")) {
3221 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3222 } else if (!strcmp(p
, "none")) {
3223 translation
= BIOS_ATA_TRANSLATION_NONE
;
3224 } else if (!strcmp(p
, "lba")) {
3225 translation
= BIOS_ATA_TRANSLATION_LBA
;
3226 } else if (!strcmp(p
, "auto")) {
3227 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3231 } else if (*p
!= '\0') {
3233 error_report("invalid physical CHS format");
3236 if (hda_opts
!= NULL
) {
3237 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3239 qemu_opt_set_number(hda_opts
, "heads", heads
,
3241 qemu_opt_set_number(hda_opts
, "secs", secs
,
3243 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3244 qemu_opt_set(hda_opts
, "trans", "large",
3246 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3247 qemu_opt_set(hda_opts
, "trans", "rechs",
3249 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3250 qemu_opt_set(hda_opts
, "trans", "lba",
3252 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3253 qemu_opt_set(hda_opts
, "trans", "none",
3259 case QEMU_OPTION_numa
:
3260 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3266 case QEMU_OPTION_display
:
3267 display_type
= select_display(optarg
);
3269 case QEMU_OPTION_nographic
:
3270 olist
= qemu_find_opts("machine");
3271 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3273 display_type
= DT_NONE
;
3275 case QEMU_OPTION_curses
:
3276 #ifdef CONFIG_CURSES
3277 display_type
= DT_CURSES
;
3279 error_report("curses support is disabled");
3283 case QEMU_OPTION_portrait
:
3284 graphic_rotate
= 90;
3286 case QEMU_OPTION_rotate
:
3287 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3288 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3289 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3290 error_report("only 90, 180, 270 deg rotation is available");
3294 case QEMU_OPTION_kernel
:
3295 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3298 case QEMU_OPTION_initrd
:
3299 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3302 case QEMU_OPTION_append
:
3303 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3306 case QEMU_OPTION_dtb
:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3310 case QEMU_OPTION_cdrom
:
3311 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3313 case QEMU_OPTION_boot
:
3314 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3320 case QEMU_OPTION_fda
:
3321 case QEMU_OPTION_fdb
:
3322 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3325 case QEMU_OPTION_no_fd_bootchk
:
3328 case QEMU_OPTION_netdev
:
3330 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3334 case QEMU_OPTION_net
:
3336 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3340 #ifdef CONFIG_LIBISCSI
3341 case QEMU_OPTION_iscsi
:
3342 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3350 case QEMU_OPTION_tftp
:
3351 error_report("The -tftp option is deprecated. "
3352 "Please use '-netdev user,tftp=...' instead.");
3353 legacy_tftp_prefix
= optarg
;
3355 case QEMU_OPTION_bootp
:
3356 error_report("The -bootp option is deprecated. "
3357 "Please use '-netdev user,bootfile=...' instead.");
3358 legacy_bootp_filename
= optarg
;
3360 case QEMU_OPTION_redir
:
3361 error_report("The -redir option is deprecated. "
3362 "Please use '-netdev user,hostfwd=...' instead.");
3363 if (net_slirp_redir(optarg
) < 0)
3367 case QEMU_OPTION_bt
:
3368 add_device_config(DEV_BT
, optarg
);
3370 case QEMU_OPTION_audio_help
:
3374 case QEMU_OPTION_soundhw
:
3375 select_soundhw (optarg
);
3380 case QEMU_OPTION_version
:
3385 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3392 case QEMU_OPTION_tpmdev
:
3393 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3398 case QEMU_OPTION_mempath
:
3401 case QEMU_OPTION_mem_prealloc
:
3410 case QEMU_OPTION_DFILTER
:
3411 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3414 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3416 case QEMU_OPTION_gdb
:
3417 add_device_config(DEV_GDB
, optarg
);
3420 if (is_help_option(optarg
)) {
3421 list_data_dirs
= true;
3422 } else if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3423 data_dir
[data_dir_idx
++] = optarg
;
3426 case QEMU_OPTION_bios
:
3427 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3430 case QEMU_OPTION_singlestep
:
3437 keyboard_layout
= optarg
;
3439 case QEMU_OPTION_localtime
:
3442 case QEMU_OPTION_vga
:
3451 w
= strtol(p
, (char **)&p
, 10);
3454 error_report("invalid resolution or depth");
3460 h
= strtol(p
, (char **)&p
, 10);
3465 depth
= strtol(p
, (char **)&p
, 10);
3466 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3467 depth
!= 24 && depth
!= 32)
3469 } else if (*p
== '\0') {
3470 depth
= graphic_depth
;
3477 graphic_depth
= depth
;
3480 case QEMU_OPTION_echr
:
3483 term_escape_char
= strtol(optarg
, &r
, 0);
3485 printf("Bad argument to echr\n");
3488 case QEMU_OPTION_monitor
:
3489 default_monitor
= 0;
3490 if (strncmp(optarg
, "none", 4)) {
3491 monitor_parse(optarg
, "readline", false);
3494 case QEMU_OPTION_qmp
:
3495 monitor_parse(optarg
, "control", false);
3496 default_monitor
= 0;
3498 case QEMU_OPTION_qmp_pretty
:
3499 monitor_parse(optarg
, "control", true);
3500 default_monitor
= 0;
3502 case QEMU_OPTION_mon
:
3503 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3508 default_monitor
= 0;
3510 case QEMU_OPTION_chardev
:
3511 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3517 case QEMU_OPTION_fsdev
:
3518 olist
= qemu_find_opts("fsdev");
3520 error_report("fsdev support is disabled");
3523 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3528 case QEMU_OPTION_virtfs
: {
3531 const char *writeout
, *sock_fd
, *socket
;
3533 olist
= qemu_find_opts("virtfs");
3535 error_report("virtfs support is disabled");
3538 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3543 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3544 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3545 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3548 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3549 qemu_opt_get(opts
, "mount_tag"),
3552 error_report("duplicate fsdev id: %s",
3553 qemu_opt_get(opts
, "mount_tag"));
3557 writeout
= qemu_opt_get(opts
, "writeout");
3559 #ifdef CONFIG_SYNC_FILE_RANGE
3560 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3562 error_report("writeout=immediate not supported "
3563 "on this platform");
3567 qemu_opt_set(fsdev
, "fsdriver",
3568 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3569 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3571 qemu_opt_set(fsdev
, "security_model",
3572 qemu_opt_get(opts
, "security_model"),
3574 socket
= qemu_opt_get(opts
, "socket");
3576 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3578 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3580 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3583 qemu_opt_set_bool(fsdev
, "readonly",
3584 qemu_opt_get_bool(opts
, "readonly", 0),
3586 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3588 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3589 qemu_opt_set(device
, "fsdev",
3590 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3591 qemu_opt_set(device
, "mount_tag",
3592 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3595 case QEMU_OPTION_virtfs_synth
: {
3599 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3602 error_report("duplicate option: %s", "virtfs_synth");
3605 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3607 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3609 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3610 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3611 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3614 case QEMU_OPTION_serial
:
3615 add_device_config(DEV_SERIAL
, optarg
);
3617 if (strncmp(optarg
, "mon:", 4) == 0) {
3618 default_monitor
= 0;
3621 case QEMU_OPTION_watchdog
:
3623 error_report("only one watchdog option may be given");
3628 case QEMU_OPTION_watchdog_action
:
3629 if (select_watchdog_action(optarg
) == -1) {
3630 error_report("unknown -watchdog-action parameter");
3634 case QEMU_OPTION_virtiocon
:
3635 add_device_config(DEV_VIRTCON
, optarg
);
3636 default_virtcon
= 0;
3637 if (strncmp(optarg
, "mon:", 4) == 0) {
3638 default_monitor
= 0;
3641 case QEMU_OPTION_parallel
:
3642 add_device_config(DEV_PARALLEL
, optarg
);
3643 default_parallel
= 0;
3644 if (strncmp(optarg
, "mon:", 4) == 0) {
3645 default_monitor
= 0;
3648 case QEMU_OPTION_debugcon
:
3649 add_device_config(DEV_DEBUGCON
, optarg
);
3651 case QEMU_OPTION_loadvm
:
3654 case QEMU_OPTION_full_screen
:
3657 case QEMU_OPTION_no_frame
:
3660 case QEMU_OPTION_alt_grab
:
3663 case QEMU_OPTION_ctrl_grab
:
3666 case QEMU_OPTION_no_quit
:
3669 case QEMU_OPTION_sdl
:
3671 display_type
= DT_SDL
;
3674 error_report("SDL support is disabled");
3677 case QEMU_OPTION_pidfile
:
3680 case QEMU_OPTION_win2k_hack
:
3681 win2k_install_hack
= 1;
3683 case QEMU_OPTION_rtc_td_hack
: {
3684 static GlobalProperty slew_lost_ticks
= {
3685 .driver
= "mc146818rtc",
3686 .property
= "lost_tick_policy",
3690 qdev_prop_register_global(&slew_lost_ticks
);
3693 case QEMU_OPTION_acpitable
:
3694 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3699 do_acpitable_option(opts
);
3701 case QEMU_OPTION_smbios
:
3702 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3707 do_smbios_option(opts
);
3709 case QEMU_OPTION_fwcfg
:
3710 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3716 case QEMU_OPTION_enable_kvm
:
3717 olist
= qemu_find_opts("machine");
3718 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3721 case QEMU_OPTION_machine
:
3722 olist
= qemu_find_opts("machine");
3723 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3728 case QEMU_OPTION_no_kvm
:
3729 olist
= qemu_find_opts("machine");
3730 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3732 case QEMU_OPTION_no_kvm_pit
: {
3733 error_report("warning: ignoring deprecated option");
3736 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3737 static GlobalProperty kvm_pit_lost_tick_policy
= {
3738 .driver
= "kvm-pit",
3739 .property
= "lost_tick_policy",
3743 error_report("warning: deprecated, replaced by "
3744 "-global kvm-pit.lost_tick_policy=discard");
3745 qdev_prop_register_global(&kvm_pit_lost_tick_policy
);
3748 case QEMU_OPTION_usb
:
3749 olist
= qemu_find_opts("machine");
3750 qemu_opts_parse_noisily(olist
, "usb=on", false);
3752 case QEMU_OPTION_usbdevice
:
3753 olist
= qemu_find_opts("machine");
3754 qemu_opts_parse_noisily(olist
, "usb=on", false);
3755 add_device_config(DEV_USB
, optarg
);
3757 case QEMU_OPTION_device
:
3758 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3763 case QEMU_OPTION_smp
:
3764 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3769 case QEMU_OPTION_vnc
:
3770 vnc_parse(optarg
, &error_fatal
);
3772 case QEMU_OPTION_no_acpi
:
3775 case QEMU_OPTION_no_hpet
:
3778 case QEMU_OPTION_balloon
:
3779 if (balloon_parse(optarg
) < 0) {
3780 error_report("unknown -balloon argument %s", optarg
);
3784 case QEMU_OPTION_no_reboot
:
3787 case QEMU_OPTION_no_shutdown
:
3790 case QEMU_OPTION_show_cursor
:
3793 case QEMU_OPTION_uuid
:
3794 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3795 error_report("failed to parse UUID string: wrong format");
3798 qemu_uuid_set
= true;
3800 case QEMU_OPTION_option_rom
:
3801 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3802 error_report("too many option ROMs");
3805 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3810 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3811 option_rom
[nb_option_roms
].bootindex
=
3812 qemu_opt_get_number(opts
, "bootindex", -1);
3813 if (!option_rom
[nb_option_roms
].name
) {
3814 error_report("Option ROM file is not specified");
3819 case QEMU_OPTION_semihosting
:
3820 semihosting
.enabled
= true;
3821 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3823 case QEMU_OPTION_semihosting_config
:
3824 semihosting
.enabled
= true;
3825 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3828 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3830 const char *target
= qemu_opt_get(opts
, "target");
3831 if (target
!= NULL
) {
3832 if (strcmp("native", target
) == 0) {
3833 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3834 } else if (strcmp("gdb", target
) == 0) {
3835 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3836 } else if (strcmp("auto", target
) == 0) {
3837 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3839 error_report("unsupported semihosting-config %s",
3844 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3846 /* Set semihosting argument count and vector */
3847 qemu_opt_foreach(opts
, add_semihosting_arg
,
3848 &semihosting
, NULL
);
3850 error_report("unsupported semihosting-config %s", optarg
);
3854 case QEMU_OPTION_tdf
:
3855 error_report("warning: ignoring deprecated option");
3857 case QEMU_OPTION_name
:
3858 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3864 case QEMU_OPTION_prom_env
:
3865 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3866 error_report("too many prom variables");
3869 prom_envs
[nb_prom_envs
] = optarg
;
3872 case QEMU_OPTION_old_param
:
3875 case QEMU_OPTION_clock
:
3876 /* Clock options no longer exist. Keep this option for
3877 * backward compatibility.
3880 case QEMU_OPTION_startdate
:
3881 configure_rtc_date_offset(optarg
, 1);
3883 case QEMU_OPTION_rtc
:
3884 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3889 configure_rtc(opts
);
3891 case QEMU_OPTION_tb_size
:
3892 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3893 if (tcg_tb_size
< 0) {
3897 case QEMU_OPTION_icount
:
3898 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3904 case QEMU_OPTION_incoming
:
3906 runstate_set(RUN_STATE_INMIGRATE
);
3910 case QEMU_OPTION_nodefaults
:
3913 case QEMU_OPTION_xen_domid
:
3914 if (!(xen_available())) {
3915 error_report("Option not supported for this target");
3918 xen_domid
= atoi(optarg
);
3920 case QEMU_OPTION_xen_create
:
3921 if (!(xen_available())) {
3922 error_report("Option not supported for this target");
3925 xen_mode
= XEN_CREATE
;
3927 case QEMU_OPTION_xen_attach
:
3928 if (!(xen_available())) {
3929 error_report("Option not supported for this target");
3932 xen_mode
= XEN_ATTACH
;
3934 case QEMU_OPTION_trace
:
3936 trace_file
= trace_opt_parse(optarg
);
3938 case QEMU_OPTION_readconfig
:
3940 int ret
= qemu_read_config_file(optarg
);
3942 error_report("read config %s: %s", optarg
,
3948 case QEMU_OPTION_spice
:
3949 olist
= qemu_find_opts("spice");
3951 error_report("spice support is disabled");
3954 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3960 case QEMU_OPTION_writeconfig
:
3963 if (strcmp(optarg
, "-") == 0) {
3966 fp
= fopen(optarg
, "w");
3968 error_report("open %s: %s", optarg
,
3973 qemu_config_write(fp
);
3979 case QEMU_OPTION_qtest
:
3980 qtest_chrdev
= optarg
;
3982 case QEMU_OPTION_qtest_log
:
3985 case QEMU_OPTION_sandbox
:
3986 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3992 case QEMU_OPTION_add_fd
:
3994 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4000 error_report("File descriptor passing is disabled on this "
4005 case QEMU_OPTION_object
:
4006 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
4012 case QEMU_OPTION_realtime
:
4013 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4018 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
4020 case QEMU_OPTION_msg
:
4021 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
4026 configure_msg(opts
);
4028 case QEMU_OPTION_dump_vmstate
:
4029 if (vmstate_dump_file
) {
4030 error_report("only one '-dump-vmstate' "
4031 "option may be given");
4034 vmstate_dump_file
= fopen(optarg
, "w");
4035 if (vmstate_dump_file
== NULL
) {
4036 error_report("open %s: %s", optarg
, strerror(errno
));
4041 os_parse_cmd_args(popt
->index
, optarg
);
4046 * Clear error location left behind by the loop.
4047 * Best done right after the loop. Do not insert code here!
4051 replay_configure(icount_opts
);
4053 machine_class
= select_machine();
4055 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4059 if (qemu_init_main_loop(&main_loop_err
)) {
4060 error_report_err(main_loop_err
);
4064 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4065 parse_sandbox
, NULL
, NULL
)) {
4069 if (qemu_opts_foreach(qemu_find_opts("name"),
4070 parse_name
, NULL
, NULL
)) {
4075 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4076 parse_add_fd
, NULL
, NULL
)) {
4080 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4081 cleanup_add_fd
, NULL
, NULL
)) {
4086 current_machine
= MACHINE(object_new(object_class_get_name(
4087 OBJECT_CLASS(machine_class
))));
4088 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4091 object_property_add_child(object_get_root(), "machine",
4092 OBJECT(current_machine
), &error_abort
);
4093 cpu_exec_init_all();
4095 if (machine_class
->hw_version
) {
4096 qemu_set_hw_version(machine_class
->hw_version
);
4099 if (cpu_model
&& is_help_option(cpu_model
)) {
4100 list_cpus(stdout
, &fprintf
, cpu_model
);
4104 if (!trace_init_backends()) {
4107 trace_init_file(trace_file
);
4109 /* Open the logfile at this point and set the log mask if necessary.
4112 qemu_set_log_filename(log_file
, &error_fatal
);
4117 mask
= qemu_str_to_log_mask(log_mask
);
4119 qemu_print_log_usage(stdout
);
4127 /* If no data_dir is specified then try to find it relative to the
4129 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4130 data_dir
[data_dir_idx
] = os_find_datadir();
4131 if (data_dir
[data_dir_idx
] != NULL
) {
4135 /* If all else fails use the install path specified when building. */
4136 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4137 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4140 /* -L help lists the data directories and exits. */
4141 if (list_data_dirs
) {
4142 for (i
= 0; i
< data_dir_idx
; i
++) {
4143 printf("%s\n", data_dir
[i
]);
4148 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4150 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4151 if (max_cpus
> machine_class
->max_cpus
) {
4152 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4153 "supported by machine '%s' (%d)", max_cpus
,
4154 machine_class
->name
, machine_class
->max_cpus
);
4159 * Get the default machine options from the machine if it is not already
4160 * specified either by the configuration file or by the command line.
4162 if (machine_class
->default_machine_opts
) {
4163 qemu_opts_set_defaults(qemu_find_opts("machine"),
4164 machine_class
->default_machine_opts
, 0);
4167 qemu_opts_foreach(qemu_find_opts("device"),
4168 default_driver_check
, NULL
, NULL
);
4169 qemu_opts_foreach(qemu_find_opts("global"),
4170 default_driver_check
, NULL
, NULL
);
4172 if (!vga_model
&& !default_vga
) {
4173 vga_interface_type
= VGA_DEVICE
;
4175 if (!has_defaults
|| machine_class
->no_serial
) {
4178 if (!has_defaults
|| machine_class
->no_parallel
) {
4179 default_parallel
= 0;
4181 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4182 default_virtcon
= 0;
4184 if (!has_defaults
|| !machine_class
->use_sclp
) {
4187 if (!has_defaults
|| machine_class
->no_floppy
) {
4190 if (!has_defaults
|| machine_class
->no_cdrom
) {
4193 if (!has_defaults
|| machine_class
->no_sdcard
) {
4196 if (!has_defaults
) {
4197 default_monitor
= 0;
4202 if (is_daemonized()) {
4203 /* According to documentation and historically, -nographic redirects
4204 * serial port, parallel port and monitor to stdio, which does not work
4205 * with -daemonize. We can redirect these to null instead, but since
4206 * -nographic is legacy, let's just error out.
4207 * We disallow -nographic only if all other ports are not redirected
4208 * explicitly, to not break existing legacy setups which uses
4209 * -nographic _and_ redirects all ports explicitly - this is valid
4210 * usage, -nographic is just a no-op in this case.
4213 && (default_parallel
|| default_serial
4214 || default_monitor
|| default_virtcon
)) {
4215 error_report("-nographic cannot be used with -daemonize");
4218 #ifdef CONFIG_CURSES
4219 if (display_type
== DT_CURSES
) {
4220 error_report("curses display cannot be used with -daemonize");
4227 if (default_parallel
)
4228 add_device_config(DEV_PARALLEL
, "null");
4229 if (default_serial
&& default_monitor
) {
4230 add_device_config(DEV_SERIAL
, "mon:stdio");
4231 } else if (default_virtcon
&& default_monitor
) {
4232 add_device_config(DEV_VIRTCON
, "mon:stdio");
4233 } else if (default_sclp
&& default_monitor
) {
4234 add_device_config(DEV_SCLP
, "mon:stdio");
4237 add_device_config(DEV_SERIAL
, "stdio");
4238 if (default_virtcon
)
4239 add_device_config(DEV_VIRTCON
, "stdio");
4241 add_device_config(DEV_SCLP
, "stdio");
4243 if (default_monitor
)
4244 monitor_parse("stdio", "readline", false);
4248 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4249 if (default_parallel
)
4250 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4251 if (default_monitor
)
4252 monitor_parse("vc:80Cx24C", "readline", false);
4253 if (default_virtcon
)
4254 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4256 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4260 #if defined(CONFIG_VNC)
4261 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4265 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4266 #if defined(CONFIG_GTK)
4267 display_type
= DT_GTK
;
4268 #elif defined(CONFIG_SDL)
4269 display_type
= DT_SDL
;
4270 #elif defined(CONFIG_COCOA)
4271 display_type
= DT_COCOA
;
4272 #elif defined(CONFIG_VNC)
4273 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4275 display_type
= DT_NONE
;
4279 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4280 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4281 "for SDL, ignoring option");
4283 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4284 error_report("-no-quit is only valid for GTK and SDL, "
4288 if (display_type
== DT_GTK
) {
4289 early_gtk_display_init(request_opengl
);
4292 if (display_type
== DT_SDL
) {
4293 sdl_display_early_init(request_opengl
);
4296 if (request_opengl
== 1 && display_opengl
== 0) {
4297 #if defined(CONFIG_OPENGL)
4298 error_report("OpenGL is not supported by the display");
4300 error_report("OpenGL support is disabled");
4308 if (qemu_opts_foreach(qemu_find_opts("object"),
4309 user_creatable_add_opts_foreach
,
4310 object_create_initial
, NULL
)) {
4314 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4315 chardev_init_func
, NULL
, NULL
)) {
4319 #ifdef CONFIG_VIRTFS
4320 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4321 fsdev_init_func
, NULL
, NULL
)) {
4326 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4327 error_report("could not acquire pid file: %s", strerror(errno
));
4331 if (qemu_opts_foreach(qemu_find_opts("device"),
4332 device_help_func
, NULL
, NULL
)) {
4336 machine_opts
= qemu_get_machine_opts();
4337 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4339 object_unref(OBJECT(current_machine
));
4343 configure_accelerator(current_machine
);
4346 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4349 machine_opts
= qemu_get_machine_opts();
4350 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4351 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4352 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4353 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4355 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4357 boot_order
= qemu_opt_get(opts
, "order");
4359 validate_bootdevices(boot_order
, &error_fatal
);
4362 boot_once
= qemu_opt_get(opts
, "once");
4364 validate_bootdevices(boot_once
, &error_fatal
);
4367 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4368 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4372 boot_order
= machine_class
->default_boot_order
;
4375 if (!kernel_cmdline
) {
4376 kernel_cmdline
= "";
4377 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4380 linux_boot
= (kernel_filename
!= NULL
);
4382 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4383 error_report("-append only allowed with -kernel option");
4387 if (!linux_boot
&& initrd_filename
!= NULL
) {
4388 error_report("-initrd only allowed with -kernel option");
4392 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4393 error_report("-dtb only allowed with -kernel option");
4397 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4398 /* fall back to the -kernel/-append */
4399 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4402 os_set_line_buffering();
4404 /* spice needs the timers to be initialized by this point */
4409 if (kvm_enabled() || xen_enabled()) {
4410 error_report("-icount is not allowed with kvm or xen");
4413 configure_icount(icount_opts
, &error_abort
);
4414 qemu_opts_del(icount_opts
);
4418 QemuOptsList
*net
= qemu_find_opts("net");
4419 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4421 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4425 if (net_init_clients() < 0) {
4429 if (qemu_opts_foreach(qemu_find_opts("object"),
4430 user_creatable_add_opts_foreach
,
4431 object_create_delayed
, NULL
)) {
4436 if (tpm_init() < 0) {
4441 /* init the bluetooth world */
4442 if (foreach_device_config(DEV_BT
, bt_parse
))
4445 if (!xen_enabled()) {
4446 /* On 32-bit hosts, QEMU is limited by virtual address space */
4447 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4448 error_report("at most 2047 MB RAM can be simulated");
4456 /* If the currently selected machine wishes to override the units-per-bus
4457 * property of its default HBA interface type, do so now. */
4458 if (machine_class
->units_per_default_bus
) {
4459 override_max_devs(machine_class
->block_default_type
,
4460 machine_class
->units_per_default_bus
);
4463 /* open the virtual block devices */
4464 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4465 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4468 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4469 &machine_class
->block_default_type
, NULL
)) {
4473 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4475 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4476 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4478 parse_numa_opts(machine_class
);
4480 if (qemu_opts_foreach(qemu_find_opts("mon"),
4481 mon_init_func
, NULL
, NULL
)) {
4485 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4487 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4489 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4491 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4494 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4497 /* If no default VGA is requested, the default is "none". */
4499 if (machine_class
->default_display
) {
4500 vga_model
= machine_class
->default_display
;
4501 } else if (vga_interface_available(VGA_CIRRUS
)) {
4502 vga_model
= "cirrus";
4503 } else if (vga_interface_available(VGA_STD
)) {
4508 select_vgahw(vga_model
);
4512 i
= select_watchdog(watchdog
);
4514 exit (i
== 1 ? 1 : 0);
4517 machine_register_compat_props(current_machine
);
4519 qemu_opts_foreach(qemu_find_opts("global"),
4520 global_init_func
, NULL
, NULL
);
4522 /* This checkpoint is required by replay to separate prior clock
4523 reading from the other reads, because timer polling functions query
4524 clock values from the log. */
4525 replay_checkpoint(CHECKPOINT_INIT
);
4526 qdev_machine_init();
4528 current_machine
->ram_size
= ram_size
;
4529 current_machine
->maxram_size
= maxram_size
;
4530 current_machine
->ram_slots
= ram_slots
;
4531 current_machine
->boot_order
= boot_order
;
4532 current_machine
->cpu_model
= cpu_model
;
4534 machine_class
->init(current_machine
);
4540 cpu_synchronize_all_post_init();
4542 numa_post_machine_init();
4544 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4545 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4549 /* init USB devices */
4550 if (machine_usb(current_machine
)) {
4551 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4555 /* Check if IGD GFX passthrough. */
4558 /* init generic devices */
4559 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4560 if (qemu_opts_foreach(qemu_find_opts("device"),
4561 device_init_func
, NULL
, NULL
)) {
4564 rom_reset_order_override();
4566 /* Did we create any drives that we failed to create a device for? */
4567 drive_check_orphaned();
4569 /* Don't warn about the default network setup that you get if
4570 * no command line -net or -netdev options are specified. There
4571 * are two cases that we would otherwise complain about:
4572 * (1) board doesn't support a NIC but the implicit "-net nic"
4574 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4575 * sets up a nic that isn't connected to anything.
4578 net_check_clients();
4583 qemu_boot_set(boot_once
, &error_fatal
);
4584 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4587 ds
= init_displaystate();
4589 /* init local displays */
4590 switch (display_type
) {
4592 curses_display_init(ds
, full_screen
);
4595 sdl_display_init(ds
, full_screen
, no_frame
);
4598 cocoa_display_init(ds
, full_screen
);
4601 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4607 /* must be after terminal init, SDL library changes signal handlers */
4608 os_setup_signal_handling();
4610 /* init remote displays */
4612 qemu_opts_foreach(qemu_find_opts("vnc"),
4613 vnc_init_func
, NULL
, NULL
);
4617 qemu_spice_display_init();
4620 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4624 qdev_machine_creation_done();
4626 /* TODO: once all bus devices are qdevified, this should be done
4627 * when bus is created by qdev.c */
4628 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4629 qemu_run_machine_init_done_notifiers();
4631 if (rom_check_and_register_reset() != 0) {
4632 error_report("rom check and register reset failed");
4638 /* This checkpoint is required by replay to separate prior clock
4639 reading from the other reads, because timer polling functions query
4640 clock values from the log. */
4641 replay_checkpoint(CHECKPOINT_RESET
);
4642 qemu_system_reset(VMRESET_SILENT
);
4643 register_global_state();
4645 if (load_vmstate(loadvm
) < 0) {
4650 qdev_prop_check_globals();
4651 if (vmstate_dump_file
) {
4653 dump_vmstate_json_to_file(vmstate_dump_file
);
4658 Error
*local_err
= NULL
;
4659 qemu_start_incoming_migration(incoming
, &local_err
);
4661 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4664 } else if (autostart
) {
4671 replay_disable_events();
4672 iothread_stop_all();
4678 /* vhost-user must be cleaned up before chardevs. */