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 "migration/colo.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
102 #include "fsdev/qemu-fsdev.h"
104 #include "sysemu/qtest.h"
106 #include "disas/disas.h"
109 #include "slirp/libslirp.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "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
= "floppy", .flag
= &default_floppy
},
222 { .driver
= "ide-cd", .flag
= &default_cdrom
},
223 { .driver
= "ide-hd", .flag
= &default_cdrom
},
224 { .driver
= "ide-drive", .flag
= &default_cdrom
},
225 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
226 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
227 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
228 { .driver
= "VGA", .flag
= &default_vga
},
229 { .driver
= "isa-vga", .flag
= &default_vga
},
230 { .driver
= "cirrus-vga", .flag
= &default_vga
},
231 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
232 { .driver
= "vmware-svga", .flag
= &default_vga
},
233 { .driver
= "qxl-vga", .flag
= &default_vga
},
234 { .driver
= "virtio-vga", .flag
= &default_vga
},
237 static QemuOptsList qemu_rtc_opts
= {
239 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
243 .type
= QEMU_OPT_STRING
,
246 .type
= QEMU_OPT_STRING
,
249 .type
= QEMU_OPT_STRING
,
251 { /* end of list */ }
255 static QemuOptsList qemu_sandbox_opts
= {
257 .implied_opt_name
= "enable",
258 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
262 .type
= QEMU_OPT_BOOL
,
264 { /* end of list */ }
268 static QemuOptsList qemu_option_rom_opts
= {
269 .name
= "option-rom",
270 .implied_opt_name
= "romfile",
271 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
275 .type
= QEMU_OPT_NUMBER
,
278 .type
= QEMU_OPT_STRING
,
280 { /* end of list */ }
284 static QemuOptsList qemu_machine_opts
= {
286 .implied_opt_name
= "type",
288 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
299 static QemuOptsList qemu_boot_opts
= {
301 .implied_opt_name
= "order",
303 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
307 .type
= QEMU_OPT_STRING
,
310 .type
= QEMU_OPT_STRING
,
313 .type
= QEMU_OPT_BOOL
,
316 .type
= QEMU_OPT_STRING
,
318 .name
= "splash-time",
319 .type
= QEMU_OPT_STRING
,
321 .name
= "reboot-timeout",
322 .type
= QEMU_OPT_STRING
,
325 .type
= QEMU_OPT_BOOL
,
331 static QemuOptsList qemu_add_fd_opts
= {
333 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
337 .type
= QEMU_OPT_NUMBER
,
338 .help
= "file descriptor of which a duplicate is added to fd set",
341 .type
= QEMU_OPT_NUMBER
,
342 .help
= "ID of the fd set to add fd to",
345 .type
= QEMU_OPT_STRING
,
346 .help
= "free-form string used to describe fd",
348 { /* end of list */ }
352 static QemuOptsList qemu_object_opts
= {
354 .implied_opt_name
= "qom-type",
355 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
361 static QemuOptsList qemu_tpmdev_opts
= {
363 .implied_opt_name
= "type",
364 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
366 /* options are defined in the TPM backends */
367 { /* end of list */ }
371 static QemuOptsList qemu_realtime_opts
= {
373 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
377 .type
= QEMU_OPT_BOOL
,
379 { /* end of list */ }
383 static QemuOptsList qemu_msg_opts
= {
385 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
389 .type
= QEMU_OPT_BOOL
,
391 { /* end of list */ }
395 static QemuOptsList qemu_name_opts
= {
397 .implied_opt_name
= "guest",
399 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
403 .type
= QEMU_OPT_STRING
,
404 .help
= "Sets the name of the guest.\n"
405 "This name will be displayed in the SDL window caption.\n"
406 "The name will also be used for the VNC server",
409 .type
= QEMU_OPT_STRING
,
410 .help
= "Sets the name of the QEMU process, as shown in top etc",
412 .name
= "debug-threads",
413 .type
= QEMU_OPT_BOOL
,
414 .help
= "When enabled, name the individual threads; defaults off.\n"
415 "NOTE: The thread names are for debugging and not a\n"
418 { /* End of list */ }
422 static QemuOptsList qemu_mem_opts
= {
424 .implied_opt_name
= "size",
425 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
430 .type
= QEMU_OPT_SIZE
,
434 .type
= QEMU_OPT_NUMBER
,
438 .type
= QEMU_OPT_SIZE
,
440 { /* end of list */ }
444 static QemuOptsList qemu_icount_opts
= {
446 .implied_opt_name
= "shift",
448 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
452 .type
= QEMU_OPT_STRING
,
455 .type
= QEMU_OPT_BOOL
,
458 .type
= QEMU_OPT_BOOL
,
461 .type
= QEMU_OPT_STRING
,
464 .type
= QEMU_OPT_STRING
,
466 { /* end of list */ }
470 static QemuOptsList qemu_semihosting_config_opts
= {
471 .name
= "semihosting-config",
472 .implied_opt_name
= "enable",
473 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
477 .type
= QEMU_OPT_BOOL
,
480 .type
= QEMU_OPT_STRING
,
483 .type
= QEMU_OPT_STRING
,
485 { /* end of list */ }
489 static QemuOptsList qemu_fw_cfg_opts
= {
491 .implied_opt_name
= "name",
492 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
496 .type
= QEMU_OPT_STRING
,
497 .help
= "Sets the fw_cfg name of the blob to be inserted",
500 .type
= QEMU_OPT_STRING
,
501 .help
= "Sets the name of the file from which\n"
502 "the fw_cfg blob will be loaded",
505 .type
= QEMU_OPT_STRING
,
506 .help
= "Sets content of the blob to be inserted from a string",
508 { /* end of list */ }
512 #ifdef CONFIG_LIBISCSI
513 static QemuOptsList qemu_iscsi_opts
= {
515 .head
= QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts
.head
),
519 .type
= QEMU_OPT_STRING
,
520 .help
= "username for CHAP authentication to target",
523 .type
= QEMU_OPT_STRING
,
524 .help
= "password for CHAP authentication to target",
526 .name
= "password-secret",
527 .type
= QEMU_OPT_STRING
,
528 .help
= "ID of the secret providing password for CHAP "
529 "authentication to target",
531 .name
= "header-digest",
532 .type
= QEMU_OPT_STRING
,
533 .help
= "HeaderDigest setting. "
534 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
536 .name
= "initiator-name",
537 .type
= QEMU_OPT_STRING
,
538 .help
= "Initiator iqn name to use when connecting",
541 .type
= QEMU_OPT_NUMBER
,
542 .help
= "Request timeout in seconds (default 0 = no timeout)",
544 { /* end of list */ }
550 * Get machine options
552 * Returns: machine options (never null).
554 QemuOpts
*qemu_get_machine_opts(void)
556 return qemu_find_opts_singleton("machine");
559 const char *qemu_get_vm_name(void)
564 static void res_free(void)
566 g_free(boot_splash_filedata
);
567 boot_splash_filedata
= NULL
;
570 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
572 const char *driver
= qemu_opt_get(opts
, "driver");
577 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
578 if (strcmp(default_list
[i
].driver
, driver
) != 0)
580 *(default_list
[i
].flag
) = 0;
585 /***********************************************************/
588 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
590 /* We use RUN_STATE__MAX but any invalid value will do */
591 static RunState vmstop_requested
= RUN_STATE__MAX
;
592 static QemuMutex vmstop_lock
;
597 } RunStateTransition
;
599 static const RunStateTransition runstate_transitions_def
[] = {
601 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
602 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
605 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
606 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
607 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
608 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
609 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
610 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
611 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
612 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
613 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
615 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
616 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
618 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
619 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
622 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
623 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
624 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
626 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
627 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
628 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
629 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
631 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
632 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
633 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
635 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
636 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
637 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
639 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
640 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
641 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
642 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
644 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
645 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
647 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
649 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
650 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
651 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
652 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
653 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
654 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
655 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
656 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
657 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
658 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
659 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
661 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
663 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
664 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
665 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
667 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
668 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
669 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
670 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
671 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
672 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
674 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
675 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
676 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
677 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
679 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
680 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
681 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
683 { RUN_STATE__MAX
, RUN_STATE__MAX
},
686 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
688 bool runstate_check(RunState state
)
690 return current_run_state
== state
;
693 bool runstate_store(char *str
, size_t size
)
695 const char *state
= RunState_lookup
[current_run_state
];
696 size_t len
= strlen(state
) + 1;
701 memcpy(str
, state
, len
);
705 static void runstate_init(void)
707 const RunStateTransition
*p
;
709 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
710 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
711 runstate_valid_transitions
[p
->from
][p
->to
] = true;
714 qemu_mutex_init(&vmstop_lock
);
717 /* This function will abort() on invalid state transitions */
718 void runstate_set(RunState new_state
)
720 assert(new_state
< RUN_STATE__MAX
);
722 if (current_run_state
== new_state
) {
726 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
727 error_report("invalid runstate transition: '%s' -> '%s'",
728 RunState_lookup
[current_run_state
],
729 RunState_lookup
[new_state
]);
732 trace_runstate_set(new_state
);
733 current_run_state
= new_state
;
736 int runstate_is_running(void)
738 return runstate_check(RUN_STATE_RUNNING
);
741 bool runstate_needs_reset(void)
743 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
744 runstate_check(RUN_STATE_SHUTDOWN
);
747 StatusInfo
*qmp_query_status(Error
**errp
)
749 StatusInfo
*info
= g_malloc0(sizeof(*info
));
751 info
->running
= runstate_is_running();
752 info
->singlestep
= singlestep
;
753 info
->status
= current_run_state
;
758 static bool qemu_vmstop_requested(RunState
*r
)
760 qemu_mutex_lock(&vmstop_lock
);
761 *r
= vmstop_requested
;
762 vmstop_requested
= RUN_STATE__MAX
;
763 qemu_mutex_unlock(&vmstop_lock
);
764 return *r
< RUN_STATE__MAX
;
767 void qemu_system_vmstop_request_prepare(void)
769 qemu_mutex_lock(&vmstop_lock
);
772 void qemu_system_vmstop_request(RunState state
)
774 vmstop_requested
= state
;
775 qemu_mutex_unlock(&vmstop_lock
);
783 qemu_vmstop_requested(&requested
);
784 if (runstate_is_running() && requested
== RUN_STATE__MAX
) {
788 /* Ensure that a STOP/RESUME pair of events is emitted if a
789 * vmstop request was pending. The BLOCK_IO_ERROR event, for
790 * example, according to documentation is always followed by
793 if (runstate_is_running()) {
794 qapi_event_send_stop(&error_abort
);
796 replay_enable_events();
798 runstate_set(RUN_STATE_RUNNING
);
799 vm_state_notify(1, RUN_STATE_RUNNING
);
803 qapi_event_send_resume(&error_abort
);
807 /***********************************************************/
808 /* real time host monotonic timer */
810 static time_t qemu_time(void)
812 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
815 /***********************************************************/
816 /* host time/date access */
817 void qemu_get_timedate(struct tm
*tm
, int offset
)
819 time_t ti
= qemu_time();
822 if (rtc_date_offset
== -1) {
826 localtime_r(&ti
, tm
);
828 ti
-= rtc_date_offset
;
833 int qemu_timedate_diff(struct tm
*tm
)
837 if (rtc_date_offset
== -1)
839 seconds
= mktimegm(tm
);
842 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
843 seconds
= mktime(&tmp
);
846 seconds
= mktimegm(tm
) + rtc_date_offset
;
848 return seconds
- qemu_time();
851 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
853 time_t rtc_start_date
;
856 if (!strcmp(startdate
, "now") && legacy
) {
857 rtc_date_offset
= -1;
859 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
867 } else if (sscanf(startdate
, "%d-%d-%d",
879 rtc_start_date
= mktimegm(&tm
);
880 if (rtc_start_date
== -1) {
882 error_report("invalid date format");
883 error_printf("valid formats: "
884 "'2006-06-17T16:01:21' or '2006-06-17'\n");
887 rtc_date_offset
= qemu_time() - rtc_start_date
;
891 static void configure_rtc(QemuOpts
*opts
)
895 value
= qemu_opt_get(opts
, "base");
897 if (!strcmp(value
, "utc")) {
899 } else if (!strcmp(value
, "localtime")) {
900 Error
*blocker
= NULL
;
902 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
903 "-rtc base=localtime");
904 replay_add_blocker(blocker
);
906 configure_rtc_date_offset(value
, 0);
909 value
= qemu_opt_get(opts
, "clock");
911 if (!strcmp(value
, "host")) {
912 rtc_clock
= QEMU_CLOCK_HOST
;
913 } else if (!strcmp(value
, "rt")) {
914 rtc_clock
= QEMU_CLOCK_REALTIME
;
915 } else if (!strcmp(value
, "vm")) {
916 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
918 error_report("invalid option value '%s'", value
);
922 value
= qemu_opt_get(opts
, "driftfix");
924 if (!strcmp(value
, "slew")) {
925 static GlobalProperty slew_lost_ticks
= {
926 .driver
= "mc146818rtc",
927 .property
= "lost_tick_policy",
931 qdev_prop_register_global(&slew_lost_ticks
);
932 } else if (!strcmp(value
, "none")) {
933 /* discard is default */
935 error_report("invalid option value '%s'", value
);
941 /***********************************************************/
942 /* Bluetooth support */
945 static struct HCIInfo
*hci_table
[MAX_NICS
];
947 struct HCIInfo
*qemu_next_hci(void)
949 if (cur_hci
== nb_hcis
)
952 return hci_table
[cur_hci
++];
955 static int bt_hci_parse(const char *str
)
960 if (nb_hcis
>= MAX_NICS
) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
974 bdaddr
.b
[5] = 0x56 + nb_hcis
;
975 hci
->bdaddr_set(hci
, bdaddr
.b
);
977 hci_table
[nb_hcis
++] = hci
;
982 static void bt_vhci_add(int vlan_id
)
984 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
987 error_report("warning: adding a VHCI to an empty scatternet %i",
990 bt_vhci_init(bt_new_hci(vlan
));
993 static struct bt_device_s
*bt_device_add(const char *opt
)
995 struct bt_scatternet_s
*vlan
;
997 char *endp
= strstr(opt
, ",vlan=");
998 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
1001 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
1004 vlan_id
= strtol(endp
+ 6, &endp
, 0);
1006 error_report("unrecognised bluetooth vlan Id");
1011 vlan
= qemu_find_bt_vlan(vlan_id
);
1014 error_report("warning: adding a slave device to an empty scatternet %i",
1017 if (!strcmp(devname
, "keyboard"))
1018 return bt_keyboard_init(vlan
);
1020 error_report("unsupported bluetooth device '%s'", devname
);
1024 static int bt_parse(const char *opt
)
1026 const char *endp
, *p
;
1029 if (strstart(opt
, "hci", &endp
)) {
1030 if (!*endp
|| *endp
== ',') {
1032 if (!strstart(endp
, ",vlan=", 0))
1035 return bt_hci_parse(opt
);
1037 } else if (strstart(opt
, "vhci", &endp
)) {
1038 if (!*endp
|| *endp
== ',') {
1040 if (strstart(endp
, ",vlan=", &p
)) {
1041 vlan
= strtol(p
, (char **) &endp
, 0);
1043 error_report("bad scatternet '%s'", p
);
1047 error_report("bad parameter '%s'", endp
+ 1);
1056 } else if (strstart(opt
, "device:", &endp
))
1057 return !bt_device_add(endp
);
1059 error_report("bad bluetooth parameter '%s'", opt
);
1063 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1065 /* FIXME: change this to true for 1.3 */
1066 if (qemu_opt_get_bool(opts
, "enable", false)) {
1067 #ifdef CONFIG_SECCOMP
1068 if (seccomp_start() < 0) {
1069 error_report("failed to install seccomp syscall filter "
1074 error_report("seccomp support is disabled");
1082 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1084 const char *proc_name
;
1086 if (qemu_opt_get(opts
, "debug-threads")) {
1087 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1089 qemu_name
= qemu_opt_get(opts
, "guest");
1091 proc_name
= qemu_opt_get(opts
, "process");
1093 os_set_proc_name(proc_name
);
1099 bool defaults_enabled(void)
1101 return has_defaults
;
1105 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1107 int fd
, dupfd
, flags
;
1109 const char *fd_opaque
= NULL
;
1112 fd
= qemu_opt_get_number(opts
, "fd", -1);
1113 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1114 fd_opaque
= qemu_opt_get(opts
, "opaque");
1117 error_report("fd option is required and must be non-negative");
1121 if (fd
<= STDERR_FILENO
) {
1122 error_report("fd cannot be a standard I/O stream");
1127 * All fds inherited across exec() necessarily have FD_CLOEXEC
1128 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1130 flags
= fcntl(fd
, F_GETFD
);
1131 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1132 error_report("fd is not valid or already in use");
1137 error_report("set option is required and must be non-negative");
1141 #ifdef F_DUPFD_CLOEXEC
1142 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1146 qemu_set_cloexec(dupfd
);
1150 error_report("error duplicating fd: %s", strerror(errno
));
1154 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1155 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1162 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1166 fd
= qemu_opt_get_number(opts
, "fd", -1);
1173 /***********************************************************/
1174 /* QEMU Block devices */
1176 #define HD_OPTS "media=disk"
1177 #define CDROM_OPTS "media=cdrom"
1179 #define PFLASH_OPTS ""
1183 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1185 BlockInterfaceType
*block_default_type
= opaque
;
1187 return drive_new(opts
, *block_default_type
) == NULL
;
1190 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1192 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1193 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1198 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1199 int index
, const char *optstr
)
1204 if (!enable
|| drive_get_by_index(type
, index
)) {
1208 opts
= drive_add(type
, index
, NULL
, optstr
);
1210 drive_enable_snapshot(NULL
, opts
, NULL
);
1213 dinfo
= drive_new(opts
, type
);
1217 dinfo
->is_default
= true;
1221 static QemuOptsList qemu_smp_opts
= {
1223 .implied_opt_name
= "cpus",
1224 .merge_lists
= true,
1225 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1229 .type
= QEMU_OPT_NUMBER
,
1232 .type
= QEMU_OPT_NUMBER
,
1235 .type
= QEMU_OPT_NUMBER
,
1238 .type
= QEMU_OPT_NUMBER
,
1241 .type
= QEMU_OPT_NUMBER
,
1243 { /*End of list */ }
1247 static void smp_parse(QemuOpts
*opts
)
1250 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1251 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1252 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1253 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1255 /* compute missing values, prefer sockets over cores over threads */
1256 if (cpus
== 0 || sockets
== 0) {
1257 sockets
= sockets
> 0 ? sockets
: 1;
1258 cores
= cores
> 0 ? cores
: 1;
1259 threads
= threads
> 0 ? threads
: 1;
1261 cpus
= cores
* threads
* sockets
;
1263 } else if (cores
== 0) {
1264 threads
= threads
> 0 ? threads
: 1;
1265 cores
= cpus
/ (sockets
* threads
);
1266 cores
= cores
> 0 ? cores
: 1;
1267 } else if (threads
== 0) {
1268 threads
= cpus
/ (cores
* sockets
);
1269 threads
= threads
> 0 ? threads
: 1;
1270 } else if (sockets
* cores
* threads
< cpus
) {
1271 error_report("cpu topology: "
1272 "sockets (%u) * cores (%u) * threads (%u) < "
1274 sockets
, cores
, threads
, cpus
);
1278 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1280 if (max_cpus
< cpus
) {
1281 error_report("maxcpus must be equal to or greater than smp");
1285 if (sockets
* cores
* threads
> max_cpus
) {
1286 error_report("cpu topology: "
1287 "sockets (%u) * cores (%u) * threads (%u) > "
1289 sockets
, cores
, threads
, max_cpus
);
1295 smp_threads
= threads
;
1299 Error
*blocker
= NULL
;
1300 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1301 replay_add_blocker(blocker
);
1305 static void realtime_init(void)
1308 if (os_mlock() < 0) {
1309 error_report("locking memory failed");
1316 static void configure_msg(QemuOpts
*opts
)
1318 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1321 /***********************************************************/
1324 typedef struct SemihostingConfig
{
1326 SemihostingTarget target
;
1329 const char *cmdline
; /* concatenated argv */
1330 } SemihostingConfig
;
1332 static SemihostingConfig semihosting
;
1334 bool semihosting_enabled(void)
1336 return semihosting
.enabled
;
1339 SemihostingTarget
semihosting_get_target(void)
1341 return semihosting
.target
;
1344 const char *semihosting_get_arg(int i
)
1346 if (i
>= semihosting
.argc
) {
1349 return semihosting
.argv
[i
];
1352 int semihosting_get_argc(void)
1354 return semihosting
.argc
;
1357 const char *semihosting_get_cmdline(void)
1359 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1360 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1362 return semihosting
.cmdline
;
1365 static int add_semihosting_arg(void *opaque
,
1366 const char *name
, const char *val
,
1369 SemihostingConfig
*s
= opaque
;
1370 if (strcmp(name
, "arg") == 0) {
1372 /* one extra element as g_strjoinv() expects NULL-terminated array */
1373 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1374 s
->argv
[s
->argc
- 1] = val
;
1375 s
->argv
[s
->argc
] = NULL
;
1380 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1381 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1386 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1388 /* split -append and initialize argv[1..n] */
1389 cmd_token
= strtok(g_strdup(cmd
), " ");
1391 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1392 cmd_token
= strtok(NULL
, " ");
1396 /* Now we still need this for compatibility with XEN. */
1397 bool has_igd_gfx_passthru
;
1398 static void igd_gfx_passthru(void)
1400 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1403 /***********************************************************/
1406 static int usb_device_add(const char *devname
)
1408 USBDevice
*dev
= NULL
;
1409 #ifndef CONFIG_LINUX
1413 if (!machine_usb(current_machine
)) {
1417 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1418 dev
= usbdevice_create(devname
);
1422 /* the other ones */
1423 #ifndef CONFIG_LINUX
1424 /* only the linux version is qdev-ified, usb-bsd still needs this */
1425 if (strstart(devname
, "host:", &p
)) {
1426 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1436 static int usb_device_del(const char *devname
)
1441 if (strstart(devname
, "host:", &p
)) {
1445 if (!machine_usb(current_machine
)) {
1449 p
= strchr(devname
, '.');
1452 bus_num
= strtoul(devname
, NULL
, 0);
1453 addr
= strtoul(p
+ 1, NULL
, 0);
1455 return usb_device_delete_addr(bus_num
, addr
);
1458 static int usb_parse(const char *cmdline
)
1461 r
= usb_device_add(cmdline
);
1463 error_report("could not add USB device '%s'", cmdline
);
1468 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1470 const char *devname
= qdict_get_str(qdict
, "devname");
1471 if (usb_device_add(devname
) < 0) {
1472 error_report("could not add USB device '%s'", devname
);
1476 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1478 const char *devname
= qdict_get_str(qdict
, "devname");
1479 if (usb_device_del(devname
) < 0) {
1480 error_report("could not delete USB device '%s'", devname
);
1484 /***********************************************************/
1485 /* machine registration */
1487 MachineState
*current_machine
;
1489 static MachineClass
*find_machine(const char *name
)
1491 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1492 MachineClass
*mc
= NULL
;
1494 for (el
= machines
; el
; el
= el
->next
) {
1495 MachineClass
*temp
= el
->data
;
1497 if (!strcmp(temp
->name
, name
)) {
1502 !strcmp(temp
->alias
, name
)) {
1508 g_slist_free(machines
);
1512 MachineClass
*find_default_machine(void)
1514 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1515 MachineClass
*mc
= NULL
;
1517 for (el
= machines
; el
; el
= el
->next
) {
1518 MachineClass
*temp
= el
->data
;
1520 if (temp
->is_default
) {
1526 g_slist_free(machines
);
1530 MachineInfoList
*qmp_query_machines(Error
**errp
)
1532 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1533 MachineInfoList
*mach_list
= NULL
;
1535 for (el
= machines
; el
; el
= el
->next
) {
1536 MachineClass
*mc
= el
->data
;
1537 MachineInfoList
*entry
;
1540 info
= g_malloc0(sizeof(*info
));
1541 if (mc
->is_default
) {
1542 info
->has_is_default
= true;
1543 info
->is_default
= true;
1547 info
->has_alias
= true;
1548 info
->alias
= g_strdup(mc
->alias
);
1551 info
->name
= g_strdup(mc
->name
);
1552 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1553 info
->hotpluggable_cpus
= !!mc
->query_hotpluggable_cpus
;
1555 entry
= g_malloc0(sizeof(*entry
));
1556 entry
->value
= info
;
1557 entry
->next
= mach_list
;
1561 g_slist_free(machines
);
1565 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1567 ObjectProperty
*prop
;
1568 ObjectPropertyIterator iter
;
1570 if (!qemu_opt_has_help_opt(opts
)) {
1574 object_property_iter_init(&iter
, OBJECT(machine
));
1575 while ((prop
= object_property_iter_next(&iter
))) {
1580 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1581 prop
->name
, prop
->type
);
1582 if (prop
->description
) {
1583 error_printf(" (%s)\n", prop
->description
);
1592 /***********************************************************/
1593 /* main execution loop */
1595 struct vm_change_state_entry
{
1596 VMChangeStateHandler
*cb
;
1598 QLIST_ENTRY (vm_change_state_entry
) entries
;
1601 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1603 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1606 VMChangeStateEntry
*e
;
1608 e
= g_malloc0(sizeof (*e
));
1612 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1616 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1618 QLIST_REMOVE (e
, entries
);
1622 void vm_state_notify(int running
, RunState state
)
1624 VMChangeStateEntry
*e
, *next
;
1626 trace_vm_state_notify(running
, state
);
1628 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1629 e
->cb(e
->opaque
, running
, state
);
1633 static int reset_requested
;
1634 static int shutdown_requested
, shutdown_signal
= -1;
1635 static pid_t shutdown_pid
;
1636 static int powerdown_requested
;
1637 static int debug_requested
;
1638 static int suspend_requested
;
1639 static WakeupReason wakeup_reason
;
1640 static NotifierList powerdown_notifiers
=
1641 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1642 static NotifierList suspend_notifiers
=
1643 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1644 static NotifierList wakeup_notifiers
=
1645 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1646 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1648 int qemu_shutdown_requested_get(void)
1650 return shutdown_requested
;
1653 int qemu_reset_requested_get(void)
1655 return reset_requested
;
1658 static int qemu_shutdown_requested(void)
1660 return atomic_xchg(&shutdown_requested
, 0);
1663 static void qemu_kill_report(void)
1665 if (!qtest_driver() && shutdown_signal
!= -1) {
1666 if (shutdown_pid
== 0) {
1667 /* This happens for eg ^C at the terminal, so it's worth
1668 * avoiding printing an odd message in that case.
1670 error_report("terminating on signal %d", shutdown_signal
);
1672 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1674 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1675 shutdown_signal
, shutdown_pid
,
1676 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1677 g_free(shutdown_cmd
);
1679 shutdown_signal
= -1;
1683 static int qemu_reset_requested(void)
1685 int r
= reset_requested
;
1686 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1687 reset_requested
= 0;
1693 static int qemu_suspend_requested(void)
1695 int r
= suspend_requested
;
1696 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1697 suspend_requested
= 0;
1703 static WakeupReason
qemu_wakeup_requested(void)
1705 return wakeup_reason
;
1708 static int qemu_powerdown_requested(void)
1710 int r
= powerdown_requested
;
1711 powerdown_requested
= 0;
1715 static int qemu_debug_requested(void)
1717 int r
= debug_requested
;
1718 debug_requested
= 0;
1722 void qemu_system_reset(bool report
)
1726 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1728 cpu_synchronize_all_states();
1730 if (mc
&& mc
->reset
) {
1733 qemu_devices_reset();
1736 qapi_event_send_reset(&error_abort
);
1738 cpu_synchronize_all_post_reset();
1741 void qemu_system_guest_panicked(void)
1744 current_cpu
->crash_occurred
= true;
1746 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1747 vm_stop(RUN_STATE_GUEST_PANICKED
);
1749 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1751 qemu_system_shutdown_request();
1755 void qemu_system_reset_request(void)
1758 shutdown_requested
= 1;
1760 reset_requested
= 1;
1763 qemu_notify_event();
1766 static void qemu_system_suspend(void)
1769 notifier_list_notify(&suspend_notifiers
, NULL
);
1770 runstate_set(RUN_STATE_SUSPENDED
);
1771 qapi_event_send_suspend(&error_abort
);
1774 void qemu_system_suspend_request(void)
1776 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1779 suspend_requested
= 1;
1781 qemu_notify_event();
1784 void qemu_register_suspend_notifier(Notifier
*notifier
)
1786 notifier_list_add(&suspend_notifiers
, notifier
);
1789 void qemu_system_wakeup_request(WakeupReason reason
)
1791 trace_system_wakeup_request(reason
);
1793 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1796 if (!(wakeup_reason_mask
& (1 << reason
))) {
1799 runstate_set(RUN_STATE_RUNNING
);
1800 wakeup_reason
= reason
;
1801 qemu_notify_event();
1804 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1807 wakeup_reason_mask
|= (1 << reason
);
1809 wakeup_reason_mask
&= ~(1 << reason
);
1813 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1815 notifier_list_add(&wakeup_notifiers
, notifier
);
1818 void qemu_system_killed(int signal
, pid_t pid
)
1820 shutdown_signal
= signal
;
1824 /* Cannot call qemu_system_shutdown_request directly because
1825 * we are in a signal handler.
1827 shutdown_requested
= 1;
1828 qemu_notify_event();
1831 void qemu_system_shutdown_request(void)
1833 trace_qemu_system_shutdown_request();
1834 replay_shutdown_request();
1835 shutdown_requested
= 1;
1836 qemu_notify_event();
1839 static void qemu_system_powerdown(void)
1841 qapi_event_send_powerdown(&error_abort
);
1842 notifier_list_notify(&powerdown_notifiers
, NULL
);
1845 void qemu_system_powerdown_request(void)
1847 trace_qemu_system_powerdown_request();
1848 powerdown_requested
= 1;
1849 qemu_notify_event();
1852 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1854 notifier_list_add(&powerdown_notifiers
, notifier
);
1857 void qemu_system_debug_request(void)
1859 debug_requested
= 1;
1860 qemu_notify_event();
1863 static bool main_loop_should_exit(void)
1866 if (qemu_debug_requested()) {
1867 vm_stop(RUN_STATE_DEBUG
);
1869 if (qemu_suspend_requested()) {
1870 qemu_system_suspend();
1872 if (qemu_shutdown_requested()) {
1874 qapi_event_send_shutdown(&error_abort
);
1876 vm_stop(RUN_STATE_SHUTDOWN
);
1881 if (qemu_reset_requested()) {
1883 qemu_system_reset(VMRESET_REPORT
);
1885 if (!runstate_check(RUN_STATE_RUNNING
) &&
1886 !runstate_check(RUN_STATE_INMIGRATE
)) {
1887 runstate_set(RUN_STATE_PRELAUNCH
);
1890 if (qemu_wakeup_requested()) {
1892 qemu_system_reset(VMRESET_SILENT
);
1893 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1894 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1896 qapi_event_send_wakeup(&error_abort
);
1898 if (qemu_powerdown_requested()) {
1899 qemu_system_powerdown();
1901 if (qemu_vmstop_requested(&r
)) {
1907 static void main_loop(void)
1911 #ifdef CONFIG_PROFILER
1915 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1916 #ifdef CONFIG_PROFILER
1917 ti
= profile_getclock();
1919 last_io
= main_loop_wait(nonblocking
);
1920 #ifdef CONFIG_PROFILER
1921 dev_time
+= profile_getclock() - ti
;
1923 } while (!main_loop_should_exit());
1926 static void version(void)
1928 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
"\n"
1929 QEMU_COPYRIGHT
"\n");
1932 static void help(int exitcode
)
1935 printf("usage: %s [options] [disk_image]\n\n"
1936 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1937 error_get_progname());
1939 #define QEMU_OPTIONS_GENERATE_HELP
1940 #include "qemu-options-wrapper.h"
1942 printf("\nDuring emulation, the following keys are useful:\n"
1943 "ctrl-alt-f toggle full screen\n"
1944 "ctrl-alt-n switch to virtual console 'n'\n"
1945 "ctrl-alt toggle mouse and keyboard grab\n"
1947 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1952 #define HAS_ARG 0x0001
1954 typedef struct QEMUOption
{
1961 static const QEMUOption qemu_options
[] = {
1962 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1963 #define QEMU_OPTIONS_GENERATE_OPTIONS
1964 #include "qemu-options-wrapper.h"
1968 typedef struct VGAInterfaceInfo
{
1969 const char *opt_name
; /* option name */
1970 const char *name
; /* human-readable name */
1971 /* Class names indicating that support is available.
1972 * If no class is specified, the interface is always available */
1973 const char *class_names
[2];
1976 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1982 .name
= "standard VGA",
1983 .class_names
= { "VGA", "isa-vga" },
1986 .opt_name
= "cirrus",
1987 .name
= "Cirrus VGA",
1988 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1991 .opt_name
= "vmware",
1992 .name
= "VMWare SVGA",
1993 .class_names
= { "vmware-svga" },
1996 .opt_name
= "virtio",
1997 .name
= "Virtio VGA",
1998 .class_names
= { "virtio-vga" },
2003 .class_names
= { "qxl-vga" },
2007 .name
= "TCX framebuffer",
2008 .class_names
= { "SUNW,tcx" },
2012 .name
= "CG3 framebuffer",
2013 .class_names
= { "cgthree" },
2016 .opt_name
= "xenfb",
2020 static bool vga_interface_available(VGAInterfaceType t
)
2022 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2024 assert(t
< VGA_TYPE_MAX
);
2025 return !ti
->class_names
[0] ||
2026 object_class_by_name(ti
->class_names
[0]) ||
2027 object_class_by_name(ti
->class_names
[1]);
2030 static void select_vgahw(const char *p
)
2035 assert(vga_interface_type
== VGA_NONE
);
2036 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2037 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2038 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2039 if (!vga_interface_available(t
)) {
2040 error_report("%s not available", ti
->name
);
2043 vga_interface_type
= t
;
2047 if (t
== VGA_TYPE_MAX
) {
2049 error_report("unknown vga type: %s", p
);
2053 const char *nextopt
;
2055 if (strstart(opts
, ",retrace=", &nextopt
)) {
2057 if (strstart(opts
, "dumb", &nextopt
))
2058 vga_retrace_method
= VGA_RETRACE_DUMB
;
2059 else if (strstart(opts
, "precise", &nextopt
))
2060 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2061 else goto invalid_vga
;
2062 } else goto invalid_vga
;
2067 typedef enum DisplayType
{
2076 static DisplayType
select_display(const char *p
)
2079 DisplayType display
= DT_DEFAULT
;
2081 if (strstart(p
, "sdl", &opts
)) {
2085 const char *nextopt
;
2087 if (strstart(opts
, ",frame=", &nextopt
)) {
2089 if (strstart(opts
, "on", &nextopt
)) {
2091 } else if (strstart(opts
, "off", &nextopt
)) {
2094 goto invalid_sdl_args
;
2096 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2098 if (strstart(opts
, "on", &nextopt
)) {
2100 } else if (strstart(opts
, "off", &nextopt
)) {
2103 goto invalid_sdl_args
;
2105 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2107 if (strstart(opts
, "on", &nextopt
)) {
2109 } else if (strstart(opts
, "off", &nextopt
)) {
2112 goto invalid_sdl_args
;
2114 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2116 if (strstart(opts
, "on", &nextopt
)) {
2118 } else if (strstart(opts
, "off", &nextopt
)) {
2121 goto invalid_sdl_args
;
2123 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2125 if (strstart(opts
, "on", &nextopt
)) {
2127 } else if (strstart(opts
, "off", &nextopt
)) {
2130 goto invalid_sdl_args
;
2134 error_report("invalid SDL option string");
2140 error_report("SDL support is disabled");
2143 } else if (strstart(p
, "vnc", &opts
)) {
2145 vnc_parse(opts
+ 1, &error_fatal
);
2147 error_report("VNC requires a display argument vnc=<display>");
2150 } else if (strstart(p
, "curses", &opts
)) {
2151 #ifdef CONFIG_CURSES
2152 display
= DT_CURSES
;
2154 error_report("curses support is disabled");
2157 } else if (strstart(p
, "gtk", &opts
)) {
2161 const char *nextopt
;
2163 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2165 if (strstart(opts
, "on", &nextopt
)) {
2166 grab_on_hover
= true;
2167 } else if (strstart(opts
, "off", &nextopt
)) {
2168 grab_on_hover
= false;
2170 goto invalid_gtk_args
;
2172 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2174 if (strstart(opts
, "on", &nextopt
)) {
2176 } else if (strstart(opts
, "off", &nextopt
)) {
2179 goto invalid_gtk_args
;
2183 error_report("invalid GTK option string");
2189 error_report("GTK support is disabled");
2192 } else if (strstart(p
, "none", &opts
)) {
2195 error_report("unknown display type");
2202 static int balloon_parse(const char *arg
)
2206 if (strcmp(arg
, "none") == 0) {
2210 if (!strncmp(arg
, "virtio", 6)) {
2211 if (arg
[6] == ',') {
2212 /* have params -> parse them */
2213 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2218 /* create empty opts */
2219 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2222 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2229 char *qemu_find_file(int type
, const char *name
)
2235 /* Try the name as a straight path first */
2236 if (access(name
, R_OK
) == 0) {
2237 trace_load_file(name
, name
);
2238 return g_strdup(name
);
2242 case QEMU_FILE_TYPE_BIOS
:
2245 case QEMU_FILE_TYPE_KEYMAP
:
2246 subdir
= "keymaps/";
2252 for (i
= 0; i
< data_dir_idx
; i
++) {
2253 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2254 if (access(buf
, R_OK
) == 0) {
2255 trace_load_file(name
, buf
);
2263 static inline bool nonempty_str(const char *str
)
2268 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2272 const char *name
, *file
, *str
;
2273 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2275 if (fw_cfg
== NULL
) {
2276 error_report("fw_cfg device not available");
2279 name
= qemu_opt_get(opts
, "name");
2280 file
= qemu_opt_get(opts
, "file");
2281 str
= qemu_opt_get(opts
, "string");
2283 /* we need name and either a file or the content string */
2284 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2285 error_report("invalid argument(s)");
2288 if (nonempty_str(file
) && nonempty_str(str
)) {
2289 error_report("file and string are mutually exclusive");
2292 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2293 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2296 if (strncmp(name
, "opt/", 4) != 0) {
2297 error_report("warning: externally provided fw_cfg item names "
2298 "should be prefixed with \"opt/\"");
2300 if (nonempty_str(str
)) {
2301 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2302 buf
= g_memdup(str
, size
);
2304 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2305 error_report("can't load %s", file
);
2309 /* For legacy, keep user files in a specific global order. */
2310 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2311 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2312 fw_cfg_reset_order_override(fw_cfg
);
2316 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2318 return qdev_device_help(opts
);
2321 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2326 dev
= qdev_device_add(opts
, &err
);
2328 error_report_err(err
);
2331 object_unref(OBJECT(dev
));
2335 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2337 Error
*local_err
= NULL
;
2339 qemu_chr_new_from_opts(opts
, &local_err
);
2341 error_report_err(local_err
);
2347 #ifdef CONFIG_VIRTFS
2348 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2350 return qemu_fsdev_add(opts
);
2354 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2356 CharDriverState
*chr
;
2357 const char *chardev
;
2361 mode
= qemu_opt_get(opts
, "mode");
2365 if (strcmp(mode
, "readline") == 0) {
2366 flags
= MONITOR_USE_READLINE
;
2367 } else if (strcmp(mode
, "control") == 0) {
2368 flags
= MONITOR_USE_CONTROL
;
2370 error_report("unknown monitor mode \"%s\"", mode
);
2374 if (qemu_opt_get_bool(opts
, "pretty", 0))
2375 flags
|= MONITOR_USE_PRETTY
;
2377 if (qemu_opt_get_bool(opts
, "default", 0)) {
2378 error_report("option 'default' does nothing and is deprecated");
2381 chardev
= qemu_opt_get(opts
, "chardev");
2382 chr
= qemu_chr_find(chardev
);
2384 error_report("chardev \"%s\" not found", chardev
);
2388 monitor_init(chr
, flags
);
2392 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2394 static int monitor_device_index
= 0;
2399 if (strstart(optarg
, "chardev:", &p
)) {
2400 snprintf(label
, sizeof(label
), "%s", p
);
2402 snprintf(label
, sizeof(label
), "compat_monitor%d",
2403 monitor_device_index
);
2404 opts
= qemu_chr_parse_compat(label
, optarg
);
2406 error_report("parse error: %s", optarg
);
2411 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2412 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2413 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2414 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2415 monitor_device_index
++;
2418 struct device_config
{
2420 DEV_USB
, /* -usbdevice */
2422 DEV_SERIAL
, /* -serial */
2423 DEV_PARALLEL
, /* -parallel */
2424 DEV_VIRTCON
, /* -virtioconsole */
2425 DEV_DEBUGCON
, /* -debugcon */
2426 DEV_GDB
, /* -gdb, -s */
2427 DEV_SCLP
, /* s390 sclp */
2429 const char *cmdline
;
2431 QTAILQ_ENTRY(device_config
) next
;
2434 static QTAILQ_HEAD(, device_config
) device_configs
=
2435 QTAILQ_HEAD_INITIALIZER(device_configs
);
2437 static void add_device_config(int type
, const char *cmdline
)
2439 struct device_config
*conf
;
2441 conf
= g_malloc0(sizeof(*conf
));
2443 conf
->cmdline
= cmdline
;
2444 loc_save(&conf
->loc
);
2445 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2448 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2450 struct device_config
*conf
;
2453 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2454 if (conf
->type
!= type
)
2456 loc_push_restore(&conf
->loc
);
2457 rc
= func(conf
->cmdline
);
2458 loc_pop(&conf
->loc
);
2466 static int serial_parse(const char *devname
)
2468 static int index
= 0;
2471 if (strcmp(devname
, "none") == 0)
2473 if (index
== MAX_SERIAL_PORTS
) {
2474 error_report("too many serial ports");
2477 snprintf(label
, sizeof(label
), "serial%d", index
);
2478 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2479 if (!serial_hds
[index
]) {
2480 error_report("could not connect serial device"
2481 " to character backend '%s'", devname
);
2488 static int parallel_parse(const char *devname
)
2490 static int index
= 0;
2493 if (strcmp(devname
, "none") == 0)
2495 if (index
== MAX_PARALLEL_PORTS
) {
2496 error_report("too many parallel ports");
2499 snprintf(label
, sizeof(label
), "parallel%d", index
);
2500 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2501 if (!parallel_hds
[index
]) {
2502 error_report("could not connect parallel device"
2503 " to character backend '%s'", devname
);
2510 static int virtcon_parse(const char *devname
)
2512 QemuOptsList
*device
= qemu_find_opts("device");
2513 static int index
= 0;
2515 QemuOpts
*bus_opts
, *dev_opts
;
2517 if (strcmp(devname
, "none") == 0)
2519 if (index
== MAX_VIRTIO_CONSOLES
) {
2520 error_report("too many virtio consoles");
2524 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2525 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2527 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2528 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2530 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2531 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2532 if (!virtcon_hds
[index
]) {
2533 error_report("could not connect virtio console"
2534 " to character backend '%s'", devname
);
2537 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2543 static int sclp_parse(const char *devname
)
2545 QemuOptsList
*device
= qemu_find_opts("device");
2546 static int index
= 0;
2550 if (strcmp(devname
, "none") == 0) {
2553 if (index
== MAX_SCLP_CONSOLES
) {
2554 error_report("too many sclp consoles");
2558 assert(arch_type
== QEMU_ARCH_S390X
);
2560 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2561 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2563 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2564 sclp_hds
[index
] = qemu_chr_new(label
, devname
);
2565 if (!sclp_hds
[index
]) {
2566 error_report("could not connect sclp console"
2567 " to character backend '%s'", devname
);
2570 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2576 static int debugcon_parse(const char *devname
)
2580 if (!qemu_chr_new("debugcon", devname
)) {
2583 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2585 error_report("already have a debugcon device");
2588 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2589 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2593 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2595 const MachineClass
*mc1
= a
, *mc2
= b
;
2598 if (mc1
->family
== NULL
) {
2599 if (mc2
->family
== NULL
) {
2600 /* Compare standalone machine types against each other; they sort
2601 * in increasing order.
2603 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2604 object_class_get_name(OBJECT_CLASS(mc2
)));
2607 /* Standalone machine types sort after families. */
2611 if (mc2
->family
== NULL
) {
2612 /* Families sort before standalone machine types. */
2616 /* Families sort between each other alphabetically increasingly. */
2617 res
= strcmp(mc1
->family
, mc2
->family
);
2622 /* Within the same family, machine types sort in decreasing order. */
2623 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2624 object_class_get_name(OBJECT_CLASS(mc1
)));
2627 static MachineClass
*machine_parse(const char *name
)
2629 MachineClass
*mc
= NULL
;
2630 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2633 mc
= find_machine(name
);
2636 g_slist_free(machines
);
2639 if (name
&& !is_help_option(name
)) {
2640 error_report("unsupported machine type");
2641 error_printf("Use -machine help to list supported machines\n");
2643 printf("Supported machines are:\n");
2644 machines
= g_slist_sort(machines
, machine_class_cmp
);
2645 for (el
= machines
; el
; el
= el
->next
) {
2646 MachineClass
*mc
= el
->data
;
2648 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2650 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2651 mc
->is_default
? " (default)" : "");
2655 g_slist_free(machines
);
2656 exit(!name
|| !is_help_option(name
));
2659 void qemu_add_exit_notifier(Notifier
*notify
)
2661 notifier_list_add(&exit_notifiers
, notify
);
2664 void qemu_remove_exit_notifier(Notifier
*notify
)
2666 notifier_remove(notify
);
2669 static void qemu_run_exit_notifiers(void)
2671 notifier_list_notify(&exit_notifiers
, NULL
);
2674 static bool machine_init_done
;
2676 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2678 notifier_list_add(&machine_init_done_notifiers
, notify
);
2679 if (machine_init_done
) {
2680 notify
->notify(notify
, NULL
);
2684 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2686 notifier_remove(notify
);
2689 static void qemu_run_machine_init_done_notifiers(void)
2691 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2692 machine_init_done
= true;
2695 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2696 const char **poptarg
, int *poptind
)
2698 const QEMUOption
*popt
;
2699 int optind
= *poptind
;
2700 char *r
= argv
[optind
];
2703 loc_set_cmdline(argv
, optind
, 1);
2705 /* Treat --foo the same as -foo. */
2708 popt
= qemu_options
;
2711 error_report("invalid option");
2714 if (!strcmp(popt
->name
, r
+ 1))
2718 if (popt
->flags
& HAS_ARG
) {
2719 if (optind
>= argc
) {
2720 error_report("requires an argument");
2723 optarg
= argv
[optind
++];
2724 loc_set_cmdline(argv
, optind
- 2, 2);
2735 static MachineClass
*select_machine(void)
2737 MachineClass
*machine_class
= find_default_machine();
2742 loc_push_none(&loc
);
2744 opts
= qemu_get_machine_opts();
2745 qemu_opts_loc_restore(opts
);
2747 optarg
= qemu_opt_get(opts
, "type");
2749 machine_class
= machine_parse(optarg
);
2752 if (!machine_class
) {
2753 error_report("No machine specified, and there is no default");
2754 error_printf("Use -machine help to list supported machines\n");
2759 return machine_class
;
2762 static int machine_set_property(void *opaque
,
2763 const char *name
, const char *value
,
2766 Object
*obj
= OBJECT(opaque
);
2767 Error
*local_err
= NULL
;
2770 if (strcmp(name
, "type") == 0) {
2774 qom_name
= g_strdup(name
);
2775 for (p
= qom_name
; *p
; p
++) {
2781 object_property_parse(obj
, value
, qom_name
, &local_err
);
2785 error_report_err(local_err
);
2794 * Initial object creation happens before all other
2795 * QEMU data types are created. The majority of objects
2796 * can be created at this point. The rng-egd object
2797 * cannot be created here, as it depends on the chardev
2800 static bool object_create_initial(const char *type
)
2802 if (g_str_equal(type
, "rng-egd")) {
2807 * return false for concrete netfilters since
2808 * they depend on netdevs already existing
2810 if (g_str_equal(type
, "filter-buffer") ||
2811 g_str_equal(type
, "filter-dump") ||
2812 g_str_equal(type
, "filter-mirror") ||
2813 g_str_equal(type
, "filter-redirector") ||
2814 g_str_equal(type
, "colo-compare") ||
2815 g_str_equal(type
, "filter-rewriter") ||
2816 g_str_equal(type
, "filter-replay")) {
2820 /* Memory allocation by backends needs to be done
2821 * after configure_accelerator() (due to the tcg_enabled()
2822 * checks at memory_region_init_*()).
2824 * Also, allocation of large amounts of memory may delay
2825 * chardev initialization for too long, and trigger timeouts
2826 * on software that waits for a monitor socket to be created
2829 if (g_str_has_prefix(type
, "memory-backend-")) {
2838 * The remainder of object creation happens after the
2839 * creation of chardev, fsdev, net clients and device data types.
2841 static bool object_create_delayed(const char *type
)
2843 return !object_create_initial(type
);
2847 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2851 const char *mem_str
;
2852 const char *maxmem_str
, *slots_str
;
2853 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2854 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2857 loc_push_none(&loc
);
2858 qemu_opts_loc_restore(opts
);
2861 mem_str
= qemu_opt_get(opts
, "size");
2864 error_report("missing 'size' option value");
2868 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2870 /* Fix up legacy suffix-less format */
2871 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2872 uint64_t overflow_check
= sz
;
2875 if ((sz
>> 20) != overflow_check
) {
2876 error_report("too large 'size' option value");
2882 /* backward compatibility behaviour for case "-m 0" */
2884 sz
= default_ram_size
;
2887 sz
= QEMU_ALIGN_UP(sz
, 8192);
2889 if (ram_size
!= sz
) {
2890 error_report("ram size too large");
2894 /* store value for the future use */
2895 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2896 *maxram_size
= ram_size
;
2898 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2899 slots_str
= qemu_opt_get(opts
, "slots");
2900 if (maxmem_str
&& slots_str
) {
2903 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2904 slots
= qemu_opt_get_number(opts
, "slots", 0);
2905 if (sz
< ram_size
) {
2906 error_report("invalid value of -m option maxmem: "
2907 "maximum memory size (0x%" PRIx64
") must be at least "
2908 "the initial memory size (0x" RAM_ADDR_FMT
")",
2911 } else if (sz
> ram_size
) {
2913 error_report("invalid value of -m option: maxmem was "
2914 "specified, but no hotplug slots were specified");
2918 error_report("invalid value of -m option maxmem: "
2919 "memory slots were specified but maximum memory size "
2920 "(0x%" PRIx64
") is equal to the initial memory size "
2921 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2927 } else if ((!maxmem_str
&& slots_str
) ||
2928 (maxmem_str
&& !slots_str
)) {
2929 error_report("invalid -m option value: missing "
2930 "'%s' option", slots_str
? "maxmem" : "slots");
2937 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2941 g
= g_malloc0(sizeof(*g
));
2942 g
->driver
= qemu_opt_get(opts
, "driver");
2943 g
->property
= qemu_opt_get(opts
, "property");
2944 g
->value
= qemu_opt_get(opts
, "value");
2945 g
->user_provided
= true;
2946 g
->errp
= &error_fatal
;
2947 qdev_prop_register_global(g
);
2951 int main(int argc
, char **argv
, char **envp
)
2954 int snapshot
, linux_boot
;
2955 const char *initrd_filename
;
2956 const char *kernel_filename
, *kernel_cmdline
;
2957 const char *boot_order
= NULL
;
2958 const char *boot_once
= NULL
;
2960 int cyls
, heads
, secs
, translation
;
2961 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2962 QemuOptsList
*olist
;
2965 const char *loadvm
= NULL
;
2966 MachineClass
*machine_class
;
2967 const char *cpu_model
;
2968 const char *vga_model
= NULL
;
2969 const char *qtest_chrdev
= NULL
;
2970 const char *qtest_log
= NULL
;
2971 const char *pid_file
= NULL
;
2972 const char *incoming
= NULL
;
2973 bool defconfig
= true;
2974 bool userconfig
= true;
2975 bool nographic
= false;
2976 DisplayType display_type
= DT_DEFAULT
;
2977 int display_remote
= 0;
2978 const char *log_mask
= NULL
;
2979 const char *log_file
= NULL
;
2980 char *trace_file
= NULL
;
2981 ram_addr_t maxram_size
;
2982 uint64_t ram_slots
= 0;
2983 FILE *vmstate_dump_file
= NULL
;
2984 Error
*main_loop_err
= NULL
;
2986 bool list_data_dirs
= false;
2988 module_call_init(MODULE_INIT_TRACE
);
2990 qemu_init_cpu_list();
2991 qemu_init_cpu_loop();
2992 qemu_mutex_lock_iothread();
2994 atexit(qemu_run_exit_notifiers
);
2995 error_set_progname(argv
[0]);
2996 qemu_init_exec_dir(argv
[0]);
2998 module_call_init(MODULE_INIT_QOM
);
2999 module_call_init(MODULE_INIT_QAPI
);
3001 qemu_add_opts(&qemu_drive_opts
);
3002 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3003 qemu_add_drive_opts(&qemu_common_drive_opts
);
3004 qemu_add_drive_opts(&qemu_drive_opts
);
3005 qemu_add_drive_opts(&bdrv_runtime_opts
);
3006 qemu_add_opts(&qemu_chardev_opts
);
3007 qemu_add_opts(&qemu_device_opts
);
3008 qemu_add_opts(&qemu_netdev_opts
);
3009 qemu_add_opts(&qemu_net_opts
);
3010 qemu_add_opts(&qemu_rtc_opts
);
3011 qemu_add_opts(&qemu_global_opts
);
3012 qemu_add_opts(&qemu_mon_opts
);
3013 qemu_add_opts(&qemu_trace_opts
);
3014 qemu_add_opts(&qemu_option_rom_opts
);
3015 qemu_add_opts(&qemu_machine_opts
);
3016 qemu_add_opts(&qemu_mem_opts
);
3017 qemu_add_opts(&qemu_smp_opts
);
3018 qemu_add_opts(&qemu_boot_opts
);
3019 qemu_add_opts(&qemu_sandbox_opts
);
3020 qemu_add_opts(&qemu_add_fd_opts
);
3021 qemu_add_opts(&qemu_object_opts
);
3022 qemu_add_opts(&qemu_tpmdev_opts
);
3023 qemu_add_opts(&qemu_realtime_opts
);
3024 qemu_add_opts(&qemu_msg_opts
);
3025 qemu_add_opts(&qemu_name_opts
);
3026 qemu_add_opts(&qemu_numa_opts
);
3027 qemu_add_opts(&qemu_icount_opts
);
3028 qemu_add_opts(&qemu_semihosting_config_opts
);
3029 qemu_add_opts(&qemu_fw_cfg_opts
);
3030 #ifdef CONFIG_LIBISCSI
3031 qemu_add_opts(&qemu_iscsi_opts
);
3033 module_call_init(MODULE_INIT_OPTS
);
3037 if (qcrypto_init(&err
) < 0) {
3038 error_reportf_err(err
, "cannot initialize crypto: ");
3041 rtc_clock
= QEMU_CLOCK_HOST
;
3043 QLIST_INIT (&vm_change_state_head
);
3044 os_setup_early_signal_handling();
3048 cyls
= heads
= secs
= 0;
3049 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3053 bdrv_init_with_whitelist();
3057 /* first pass of option parsing */
3059 while (optind
< argc
) {
3060 if (argv
[optind
][0] != '-') {
3064 const QEMUOption
*popt
;
3066 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3067 switch (popt
->index
) {
3068 case QEMU_OPTION_nodefconfig
:
3071 case QEMU_OPTION_nouserconfig
:
3080 ret
= qemu_read_default_config_files(userconfig
);
3086 /* second pass of option parsing */
3091 if (argv
[optind
][0] != '-') {
3092 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3094 const QEMUOption
*popt
;
3096 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3097 if (!(popt
->arch_mask
& arch_type
)) {
3098 error_report("Option not supported for this target");
3101 switch(popt
->index
) {
3102 case QEMU_OPTION_no_kvm_irqchip
: {
3103 olist
= qemu_find_opts("machine");
3104 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3107 case QEMU_OPTION_cpu
:
3108 /* hw initialization will check this */
3111 case QEMU_OPTION_hda
:
3115 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3117 snprintf(buf
, sizeof(buf
),
3118 "%s,cyls=%d,heads=%d,secs=%d%s",
3119 HD_OPTS
, cyls
, heads
, secs
,
3120 translation
== BIOS_ATA_TRANSLATION_LBA
?
3122 translation
== BIOS_ATA_TRANSLATION_NONE
?
3123 ",trans=none" : "");
3124 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3127 case QEMU_OPTION_hdb
:
3128 case QEMU_OPTION_hdc
:
3129 case QEMU_OPTION_hdd
:
3130 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3133 case QEMU_OPTION_drive
:
3134 if (drive_def(optarg
) == NULL
) {
3138 case QEMU_OPTION_set
:
3139 if (qemu_set_option(optarg
) != 0)
3142 case QEMU_OPTION_global
:
3143 if (qemu_global_option(optarg
) != 0)
3146 case QEMU_OPTION_mtdblock
:
3147 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3149 case QEMU_OPTION_sd
:
3150 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3152 case QEMU_OPTION_pflash
:
3153 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3155 case QEMU_OPTION_snapshot
:
3158 case QEMU_OPTION_hdachs
:
3162 cyls
= strtol(p
, (char **)&p
, 0);
3163 if (cyls
< 1 || cyls
> 16383)
3168 heads
= strtol(p
, (char **)&p
, 0);
3169 if (heads
< 1 || heads
> 16)
3174 secs
= strtol(p
, (char **)&p
, 0);
3175 if (secs
< 1 || secs
> 63)
3179 if (!strcmp(p
, "large")) {
3180 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3181 } else if (!strcmp(p
, "rechs")) {
3182 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3183 } else if (!strcmp(p
, "none")) {
3184 translation
= BIOS_ATA_TRANSLATION_NONE
;
3185 } else if (!strcmp(p
, "lba")) {
3186 translation
= BIOS_ATA_TRANSLATION_LBA
;
3187 } else if (!strcmp(p
, "auto")) {
3188 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3192 } else if (*p
!= '\0') {
3194 error_report("invalid physical CHS format");
3197 if (hda_opts
!= NULL
) {
3198 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3200 qemu_opt_set_number(hda_opts
, "heads", heads
,
3202 qemu_opt_set_number(hda_opts
, "secs", secs
,
3204 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3205 qemu_opt_set(hda_opts
, "trans", "large",
3207 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3208 qemu_opt_set(hda_opts
, "trans", "rechs",
3210 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3211 qemu_opt_set(hda_opts
, "trans", "lba",
3213 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3214 qemu_opt_set(hda_opts
, "trans", "none",
3220 case QEMU_OPTION_numa
:
3221 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3227 case QEMU_OPTION_display
:
3228 display_type
= select_display(optarg
);
3230 case QEMU_OPTION_nographic
:
3231 olist
= qemu_find_opts("machine");
3232 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3234 display_type
= DT_NONE
;
3236 case QEMU_OPTION_curses
:
3237 #ifdef CONFIG_CURSES
3238 display_type
= DT_CURSES
;
3240 error_report("curses support is disabled");
3244 case QEMU_OPTION_portrait
:
3245 graphic_rotate
= 90;
3247 case QEMU_OPTION_rotate
:
3248 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3249 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3250 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3251 error_report("only 90, 180, 270 deg rotation is available");
3255 case QEMU_OPTION_kernel
:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3259 case QEMU_OPTION_initrd
:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3263 case QEMU_OPTION_append
:
3264 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3267 case QEMU_OPTION_dtb
:
3268 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3271 case QEMU_OPTION_cdrom
:
3272 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3274 case QEMU_OPTION_boot
:
3275 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3281 case QEMU_OPTION_fda
:
3282 case QEMU_OPTION_fdb
:
3283 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3286 case QEMU_OPTION_no_fd_bootchk
:
3289 case QEMU_OPTION_netdev
:
3291 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3295 case QEMU_OPTION_net
:
3297 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3301 #ifdef CONFIG_LIBISCSI
3302 case QEMU_OPTION_iscsi
:
3303 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3311 case QEMU_OPTION_tftp
:
3312 error_report("The -tftp option is deprecated. "
3313 "Please use '-netdev user,tftp=...' instead.");
3314 legacy_tftp_prefix
= optarg
;
3316 case QEMU_OPTION_bootp
:
3317 error_report("The -bootp option is deprecated. "
3318 "Please use '-netdev user,bootfile=...' instead.");
3319 legacy_bootp_filename
= optarg
;
3321 case QEMU_OPTION_redir
:
3322 error_report("The -redir option is deprecated. "
3323 "Please use '-netdev user,hostfwd=...' instead.");
3324 if (net_slirp_redir(optarg
) < 0)
3328 case QEMU_OPTION_bt
:
3329 add_device_config(DEV_BT
, optarg
);
3331 case QEMU_OPTION_audio_help
:
3335 case QEMU_OPTION_soundhw
:
3336 select_soundhw (optarg
);
3341 case QEMU_OPTION_version
:
3346 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3353 case QEMU_OPTION_tpmdev
:
3354 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3359 case QEMU_OPTION_mempath
:
3362 case QEMU_OPTION_mem_prealloc
:
3371 case QEMU_OPTION_DFILTER
:
3372 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3375 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3377 case QEMU_OPTION_gdb
:
3378 add_device_config(DEV_GDB
, optarg
);
3381 if (is_help_option(optarg
)) {
3382 list_data_dirs
= true;
3383 } else if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3384 data_dir
[data_dir_idx
++] = optarg
;
3387 case QEMU_OPTION_bios
:
3388 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3391 case QEMU_OPTION_singlestep
:
3398 keyboard_layout
= optarg
;
3400 case QEMU_OPTION_localtime
:
3403 case QEMU_OPTION_vga
:
3412 w
= strtol(p
, (char **)&p
, 10);
3415 error_report("invalid resolution or depth");
3421 h
= strtol(p
, (char **)&p
, 10);
3426 depth
= strtol(p
, (char **)&p
, 10);
3427 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3428 depth
!= 24 && depth
!= 32)
3430 } else if (*p
== '\0') {
3431 depth
= graphic_depth
;
3438 graphic_depth
= depth
;
3441 case QEMU_OPTION_echr
:
3444 term_escape_char
= strtol(optarg
, &r
, 0);
3446 printf("Bad argument to echr\n");
3449 case QEMU_OPTION_monitor
:
3450 default_monitor
= 0;
3451 if (strncmp(optarg
, "none", 4)) {
3452 monitor_parse(optarg
, "readline", false);
3455 case QEMU_OPTION_qmp
:
3456 monitor_parse(optarg
, "control", false);
3457 default_monitor
= 0;
3459 case QEMU_OPTION_qmp_pretty
:
3460 monitor_parse(optarg
, "control", true);
3461 default_monitor
= 0;
3463 case QEMU_OPTION_mon
:
3464 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3469 default_monitor
= 0;
3471 case QEMU_OPTION_chardev
:
3472 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3478 case QEMU_OPTION_fsdev
:
3479 olist
= qemu_find_opts("fsdev");
3481 error_report("fsdev support is disabled");
3484 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3489 case QEMU_OPTION_virtfs
: {
3492 const char *writeout
, *sock_fd
, *socket
;
3494 olist
= qemu_find_opts("virtfs");
3496 error_report("virtfs support is disabled");
3499 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3504 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3505 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3506 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3509 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3510 qemu_opt_get(opts
, "mount_tag"),
3513 error_report("duplicate fsdev id: %s",
3514 qemu_opt_get(opts
, "mount_tag"));
3518 writeout
= qemu_opt_get(opts
, "writeout");
3520 #ifdef CONFIG_SYNC_FILE_RANGE
3521 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3523 error_report("writeout=immediate not supported "
3524 "on this platform");
3528 qemu_opt_set(fsdev
, "fsdriver",
3529 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3530 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3532 qemu_opt_set(fsdev
, "security_model",
3533 qemu_opt_get(opts
, "security_model"),
3535 socket
= qemu_opt_get(opts
, "socket");
3537 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3539 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3541 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3544 qemu_opt_set_bool(fsdev
, "readonly",
3545 qemu_opt_get_bool(opts
, "readonly", 0),
3547 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3549 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3550 qemu_opt_set(device
, "fsdev",
3551 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3552 qemu_opt_set(device
, "mount_tag",
3553 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3556 case QEMU_OPTION_virtfs_synth
: {
3560 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3563 error_report("duplicate option: %s", "virtfs_synth");
3566 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3568 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3570 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3571 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3572 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3575 case QEMU_OPTION_serial
:
3576 add_device_config(DEV_SERIAL
, optarg
);
3578 if (strncmp(optarg
, "mon:", 4) == 0) {
3579 default_monitor
= 0;
3582 case QEMU_OPTION_watchdog
:
3584 error_report("only one watchdog option may be given");
3589 case QEMU_OPTION_watchdog_action
:
3590 if (select_watchdog_action(optarg
) == -1) {
3591 error_report("unknown -watchdog-action parameter");
3595 case QEMU_OPTION_virtiocon
:
3596 add_device_config(DEV_VIRTCON
, optarg
);
3597 default_virtcon
= 0;
3598 if (strncmp(optarg
, "mon:", 4) == 0) {
3599 default_monitor
= 0;
3602 case QEMU_OPTION_parallel
:
3603 add_device_config(DEV_PARALLEL
, optarg
);
3604 default_parallel
= 0;
3605 if (strncmp(optarg
, "mon:", 4) == 0) {
3606 default_monitor
= 0;
3609 case QEMU_OPTION_debugcon
:
3610 add_device_config(DEV_DEBUGCON
, optarg
);
3612 case QEMU_OPTION_loadvm
:
3615 case QEMU_OPTION_full_screen
:
3618 case QEMU_OPTION_no_frame
:
3621 case QEMU_OPTION_alt_grab
:
3624 case QEMU_OPTION_ctrl_grab
:
3627 case QEMU_OPTION_no_quit
:
3630 case QEMU_OPTION_sdl
:
3632 display_type
= DT_SDL
;
3635 error_report("SDL support is disabled");
3638 case QEMU_OPTION_pidfile
:
3641 case QEMU_OPTION_win2k_hack
:
3642 win2k_install_hack
= 1;
3644 case QEMU_OPTION_rtc_td_hack
: {
3645 static GlobalProperty slew_lost_ticks
= {
3646 .driver
= "mc146818rtc",
3647 .property
= "lost_tick_policy",
3651 qdev_prop_register_global(&slew_lost_ticks
);
3654 case QEMU_OPTION_acpitable
:
3655 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3660 do_acpitable_option(opts
);
3662 case QEMU_OPTION_smbios
:
3663 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3668 smbios_entry_add(opts
, &error_fatal
);
3670 case QEMU_OPTION_fwcfg
:
3671 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3677 case QEMU_OPTION_enable_kvm
:
3678 olist
= qemu_find_opts("machine");
3679 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3682 case QEMU_OPTION_machine
:
3683 olist
= qemu_find_opts("machine");
3684 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3689 case QEMU_OPTION_no_kvm
:
3690 olist
= qemu_find_opts("machine");
3691 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3693 case QEMU_OPTION_no_kvm_pit
: {
3694 error_report("warning: ignoring deprecated option");
3697 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3698 static GlobalProperty kvm_pit_lost_tick_policy
= {
3699 .driver
= "kvm-pit",
3700 .property
= "lost_tick_policy",
3704 error_report("warning: deprecated, replaced by "
3705 "-global kvm-pit.lost_tick_policy=discard");
3706 qdev_prop_register_global(&kvm_pit_lost_tick_policy
);
3709 case QEMU_OPTION_usb
:
3710 olist
= qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist
, "usb=on", false);
3713 case QEMU_OPTION_usbdevice
:
3714 olist
= qemu_find_opts("machine");
3715 qemu_opts_parse_noisily(olist
, "usb=on", false);
3716 add_device_config(DEV_USB
, optarg
);
3718 case QEMU_OPTION_device
:
3719 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3724 case QEMU_OPTION_smp
:
3725 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3730 case QEMU_OPTION_vnc
:
3731 vnc_parse(optarg
, &error_fatal
);
3733 case QEMU_OPTION_no_acpi
:
3736 case QEMU_OPTION_no_hpet
:
3739 case QEMU_OPTION_balloon
:
3740 if (balloon_parse(optarg
) < 0) {
3741 error_report("unknown -balloon argument %s", optarg
);
3745 case QEMU_OPTION_no_reboot
:
3748 case QEMU_OPTION_no_shutdown
:
3751 case QEMU_OPTION_show_cursor
:
3754 case QEMU_OPTION_uuid
:
3755 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3756 error_report("failed to parse UUID string: wrong format");
3759 qemu_uuid_set
= true;
3761 case QEMU_OPTION_option_rom
:
3762 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3763 error_report("too many option ROMs");
3766 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3771 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3772 option_rom
[nb_option_roms
].bootindex
=
3773 qemu_opt_get_number(opts
, "bootindex", -1);
3774 if (!option_rom
[nb_option_roms
].name
) {
3775 error_report("Option ROM file is not specified");
3780 case QEMU_OPTION_semihosting
:
3781 semihosting
.enabled
= true;
3782 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3784 case QEMU_OPTION_semihosting_config
:
3785 semihosting
.enabled
= true;
3786 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3789 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3791 const char *target
= qemu_opt_get(opts
, "target");
3792 if (target
!= NULL
) {
3793 if (strcmp("native", target
) == 0) {
3794 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3795 } else if (strcmp("gdb", target
) == 0) {
3796 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3797 } else if (strcmp("auto", target
) == 0) {
3798 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3800 error_report("unsupported semihosting-config %s",
3805 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3807 /* Set semihosting argument count and vector */
3808 qemu_opt_foreach(opts
, add_semihosting_arg
,
3809 &semihosting
, NULL
);
3811 error_report("unsupported semihosting-config %s", optarg
);
3815 case QEMU_OPTION_tdf
:
3816 error_report("warning: ignoring deprecated option");
3818 case QEMU_OPTION_name
:
3819 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3825 case QEMU_OPTION_prom_env
:
3826 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3827 error_report("too many prom variables");
3830 prom_envs
[nb_prom_envs
] = optarg
;
3833 case QEMU_OPTION_old_param
:
3836 case QEMU_OPTION_clock
:
3837 /* Clock options no longer exist. Keep this option for
3838 * backward compatibility.
3841 case QEMU_OPTION_startdate
:
3842 configure_rtc_date_offset(optarg
, 1);
3844 case QEMU_OPTION_rtc
:
3845 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3850 configure_rtc(opts
);
3852 case QEMU_OPTION_tb_size
:
3853 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3854 if (tcg_tb_size
< 0) {
3858 case QEMU_OPTION_icount
:
3859 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3865 case QEMU_OPTION_incoming
:
3867 runstate_set(RUN_STATE_INMIGRATE
);
3871 case QEMU_OPTION_nodefaults
:
3874 case QEMU_OPTION_xen_domid
:
3875 if (!(xen_available())) {
3876 error_report("Option not supported for this target");
3879 xen_domid
= atoi(optarg
);
3881 case QEMU_OPTION_xen_create
:
3882 if (!(xen_available())) {
3883 error_report("Option not supported for this target");
3886 xen_mode
= XEN_CREATE
;
3888 case QEMU_OPTION_xen_attach
:
3889 if (!(xen_available())) {
3890 error_report("Option not supported for this target");
3893 xen_mode
= XEN_ATTACH
;
3895 case QEMU_OPTION_trace
:
3897 trace_file
= trace_opt_parse(optarg
);
3899 case QEMU_OPTION_readconfig
:
3901 int ret
= qemu_read_config_file(optarg
);
3903 error_report("read config %s: %s", optarg
,
3909 case QEMU_OPTION_spice
:
3910 olist
= qemu_find_opts("spice");
3912 error_report("spice support is disabled");
3915 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3921 case QEMU_OPTION_writeconfig
:
3924 if (strcmp(optarg
, "-") == 0) {
3927 fp
= fopen(optarg
, "w");
3929 error_report("open %s: %s", optarg
,
3934 qemu_config_write(fp
);
3940 case QEMU_OPTION_qtest
:
3941 qtest_chrdev
= optarg
;
3943 case QEMU_OPTION_qtest_log
:
3946 case QEMU_OPTION_sandbox
:
3947 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3953 case QEMU_OPTION_add_fd
:
3955 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3961 error_report("File descriptor passing is disabled on this "
3966 case QEMU_OPTION_object
:
3967 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3973 case QEMU_OPTION_realtime
:
3974 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3979 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3981 case QEMU_OPTION_msg
:
3982 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3987 configure_msg(opts
);
3989 case QEMU_OPTION_dump_vmstate
:
3990 if (vmstate_dump_file
) {
3991 error_report("only one '-dump-vmstate' "
3992 "option may be given");
3995 vmstate_dump_file
= fopen(optarg
, "w");
3996 if (vmstate_dump_file
== NULL
) {
3997 error_report("open %s: %s", optarg
, strerror(errno
));
4002 os_parse_cmd_args(popt
->index
, optarg
);
4007 * Clear error location left behind by the loop.
4008 * Best done right after the loop. Do not insert code here!
4012 replay_configure(icount_opts
);
4014 machine_class
= select_machine();
4016 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4020 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4021 error_report("could not acquire pid file: %s", strerror(errno
));
4025 if (qemu_init_main_loop(&main_loop_err
)) {
4026 error_report_err(main_loop_err
);
4030 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4031 parse_sandbox
, NULL
, NULL
)) {
4035 if (qemu_opts_foreach(qemu_find_opts("name"),
4036 parse_name
, NULL
, NULL
)) {
4041 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4042 parse_add_fd
, NULL
, NULL
)) {
4046 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4047 cleanup_add_fd
, NULL
, NULL
)) {
4052 current_machine
= MACHINE(object_new(object_class_get_name(
4053 OBJECT_CLASS(machine_class
))));
4054 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4057 object_property_add_child(object_get_root(), "machine",
4058 OBJECT(current_machine
), &error_abort
);
4060 if (machine_class
->minimum_page_bits
) {
4061 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4062 /* This would be a board error: specifying a minimum smaller than
4063 * a target's compile-time fixed setting.
4065 g_assert_not_reached();
4069 cpu_exec_init_all();
4071 if (machine_class
->hw_version
) {
4072 qemu_set_hw_version(machine_class
->hw_version
);
4075 if (cpu_model
&& is_help_option(cpu_model
)) {
4076 list_cpus(stdout
, &fprintf
, cpu_model
);
4080 if (!trace_init_backends()) {
4083 trace_init_file(trace_file
);
4085 /* Open the logfile at this point and set the log mask if necessary.
4088 qemu_set_log_filename(log_file
, &error_fatal
);
4093 mask
= qemu_str_to_log_mask(log_mask
);
4095 qemu_print_log_usage(stdout
);
4103 /* If no data_dir is specified then try to find it relative to the
4105 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4106 data_dir
[data_dir_idx
] = os_find_datadir();
4107 if (data_dir
[data_dir_idx
] != NULL
) {
4111 /* If all else fails use the install path specified when building. */
4112 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4113 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4116 /* -L help lists the data directories and exits. */
4117 if (list_data_dirs
) {
4118 for (i
= 0; i
< data_dir_idx
; i
++) {
4119 printf("%s\n", data_dir
[i
]);
4124 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4126 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4127 if (max_cpus
> machine_class
->max_cpus
) {
4128 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4129 "supported by machine '%s' (%d)", max_cpus
,
4130 machine_class
->name
, machine_class
->max_cpus
);
4135 * Get the default machine options from the machine if it is not already
4136 * specified either by the configuration file or by the command line.
4138 if (machine_class
->default_machine_opts
) {
4139 qemu_opts_set_defaults(qemu_find_opts("machine"),
4140 machine_class
->default_machine_opts
, 0);
4143 qemu_opts_foreach(qemu_find_opts("device"),
4144 default_driver_check
, NULL
, NULL
);
4145 qemu_opts_foreach(qemu_find_opts("global"),
4146 default_driver_check
, NULL
, NULL
);
4148 if (!vga_model
&& !default_vga
) {
4149 vga_interface_type
= VGA_DEVICE
;
4151 if (!has_defaults
|| machine_class
->no_serial
) {
4154 if (!has_defaults
|| machine_class
->no_parallel
) {
4155 default_parallel
= 0;
4157 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4158 default_virtcon
= 0;
4160 if (!has_defaults
|| !machine_class
->use_sclp
) {
4163 if (!has_defaults
|| machine_class
->no_floppy
) {
4166 if (!has_defaults
|| machine_class
->no_cdrom
) {
4169 if (!has_defaults
|| machine_class
->no_sdcard
) {
4172 if (!has_defaults
) {
4173 default_monitor
= 0;
4178 if (is_daemonized()) {
4179 /* According to documentation and historically, -nographic redirects
4180 * serial port, parallel port and monitor to stdio, which does not work
4181 * with -daemonize. We can redirect these to null instead, but since
4182 * -nographic is legacy, let's just error out.
4183 * We disallow -nographic only if all other ports are not redirected
4184 * explicitly, to not break existing legacy setups which uses
4185 * -nographic _and_ redirects all ports explicitly - this is valid
4186 * usage, -nographic is just a no-op in this case.
4189 && (default_parallel
|| default_serial
4190 || default_monitor
|| default_virtcon
)) {
4191 error_report("-nographic cannot be used with -daemonize");
4194 #ifdef CONFIG_CURSES
4195 if (display_type
== DT_CURSES
) {
4196 error_report("curses display cannot be used with -daemonize");
4203 if (default_parallel
)
4204 add_device_config(DEV_PARALLEL
, "null");
4205 if (default_serial
&& default_monitor
) {
4206 add_device_config(DEV_SERIAL
, "mon:stdio");
4207 } else if (default_virtcon
&& default_monitor
) {
4208 add_device_config(DEV_VIRTCON
, "mon:stdio");
4209 } else if (default_sclp
&& default_monitor
) {
4210 add_device_config(DEV_SCLP
, "mon:stdio");
4213 add_device_config(DEV_SERIAL
, "stdio");
4214 if (default_virtcon
)
4215 add_device_config(DEV_VIRTCON
, "stdio");
4217 add_device_config(DEV_SCLP
, "stdio");
4219 if (default_monitor
)
4220 monitor_parse("stdio", "readline", false);
4224 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4225 if (default_parallel
)
4226 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4227 if (default_monitor
)
4228 monitor_parse("vc:80Cx24C", "readline", false);
4229 if (default_virtcon
)
4230 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4232 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4236 #if defined(CONFIG_VNC)
4237 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4241 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4242 #if defined(CONFIG_GTK)
4243 display_type
= DT_GTK
;
4244 #elif defined(CONFIG_SDL)
4245 display_type
= DT_SDL
;
4246 #elif defined(CONFIG_COCOA)
4247 display_type
= DT_COCOA
;
4248 #elif defined(CONFIG_VNC)
4249 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4251 display_type
= DT_NONE
;
4255 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4256 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4257 "for SDL, ignoring option");
4259 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4260 error_report("-no-quit is only valid for GTK and SDL, "
4264 if (display_type
== DT_GTK
) {
4265 early_gtk_display_init(request_opengl
);
4268 if (display_type
== DT_SDL
) {
4269 sdl_display_early_init(request_opengl
);
4272 if (request_opengl
== 1 && display_opengl
== 0) {
4273 #if defined(CONFIG_OPENGL)
4274 error_report("OpenGL is not supported by the display");
4276 error_report("OpenGL support is disabled");
4284 if (qemu_opts_foreach(qemu_find_opts("object"),
4285 user_creatable_add_opts_foreach
,
4286 object_create_initial
, NULL
)) {
4290 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4291 chardev_init_func
, NULL
, NULL
)) {
4295 #ifdef CONFIG_VIRTFS
4296 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4297 fsdev_init_func
, NULL
, NULL
)) {
4302 if (qemu_opts_foreach(qemu_find_opts("device"),
4303 device_help_func
, NULL
, NULL
)) {
4307 machine_opts
= qemu_get_machine_opts();
4308 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4310 object_unref(OBJECT(current_machine
));
4314 configure_accelerator(current_machine
);
4317 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4320 machine_opts
= qemu_get_machine_opts();
4321 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4322 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4323 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4324 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4326 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4328 boot_order
= qemu_opt_get(opts
, "order");
4330 validate_bootdevices(boot_order
, &error_fatal
);
4333 boot_once
= qemu_opt_get(opts
, "once");
4335 validate_bootdevices(boot_once
, &error_fatal
);
4338 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4339 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4343 boot_order
= machine_class
->default_boot_order
;
4346 if (!kernel_cmdline
) {
4347 kernel_cmdline
= "";
4348 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4351 linux_boot
= (kernel_filename
!= NULL
);
4353 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4354 error_report("-append only allowed with -kernel option");
4358 if (!linux_boot
&& initrd_filename
!= NULL
) {
4359 error_report("-initrd only allowed with -kernel option");
4363 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4364 /* fall back to the -kernel/-append */
4365 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4368 os_set_line_buffering();
4370 /* spice needs the timers to be initialized by this point */
4375 if (kvm_enabled() || xen_enabled()) {
4376 error_report("-icount is not allowed with kvm or xen");
4379 configure_icount(icount_opts
, &error_abort
);
4380 qemu_opts_del(icount_opts
);
4384 QemuOptsList
*net
= qemu_find_opts("net");
4385 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4387 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4393 if (net_init_clients() < 0) {
4397 if (qemu_opts_foreach(qemu_find_opts("object"),
4398 user_creatable_add_opts_foreach
,
4399 object_create_delayed
, NULL
)) {
4404 if (tpm_init() < 0) {
4409 /* init the bluetooth world */
4410 if (foreach_device_config(DEV_BT
, bt_parse
))
4413 if (!xen_enabled()) {
4414 /* On 32-bit hosts, QEMU is limited by virtual address space */
4415 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4416 error_report("at most 2047 MB RAM can be simulated");
4424 /* If the currently selected machine wishes to override the units-per-bus
4425 * property of its default HBA interface type, do so now. */
4426 if (machine_class
->units_per_default_bus
) {
4427 override_max_devs(machine_class
->block_default_type
,
4428 machine_class
->units_per_default_bus
);
4431 /* open the virtual block devices */
4432 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4433 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4436 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4437 &machine_class
->block_default_type
, NULL
)) {
4441 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4443 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4444 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4446 parse_numa_opts(machine_class
);
4448 if (qemu_opts_foreach(qemu_find_opts("mon"),
4449 mon_init_func
, NULL
, NULL
)) {
4453 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4455 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4457 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4459 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4462 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4465 /* If no default VGA is requested, the default is "none". */
4467 if (machine_class
->default_display
) {
4468 vga_model
= machine_class
->default_display
;
4469 } else if (vga_interface_available(VGA_CIRRUS
)) {
4470 vga_model
= "cirrus";
4471 } else if (vga_interface_available(VGA_STD
)) {
4476 select_vgahw(vga_model
);
4480 i
= select_watchdog(watchdog
);
4482 exit (i
== 1 ? 1 : 0);
4485 machine_register_compat_props(current_machine
);
4487 qemu_opts_foreach(qemu_find_opts("global"),
4488 global_init_func
, NULL
, NULL
);
4490 /* This checkpoint is required by replay to separate prior clock
4491 reading from the other reads, because timer polling functions query
4492 clock values from the log. */
4493 replay_checkpoint(CHECKPOINT_INIT
);
4494 qdev_machine_init();
4496 current_machine
->ram_size
= ram_size
;
4497 current_machine
->maxram_size
= maxram_size
;
4498 current_machine
->ram_slots
= ram_slots
;
4499 current_machine
->boot_order
= boot_order
;
4500 current_machine
->cpu_model
= cpu_model
;
4502 machine_class
->init(current_machine
);
4508 cpu_synchronize_all_post_init();
4510 numa_post_machine_init();
4512 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4513 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4517 /* init USB devices */
4518 if (machine_usb(current_machine
)) {
4519 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4523 /* Check if IGD GFX passthrough. */
4526 /* init generic devices */
4527 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4528 if (qemu_opts_foreach(qemu_find_opts("device"),
4529 device_init_func
, NULL
, NULL
)) {
4532 rom_reset_order_override();
4534 /* Did we create any drives that we failed to create a device for? */
4535 drive_check_orphaned();
4537 /* Don't warn about the default network setup that you get if
4538 * no command line -net or -netdev options are specified. There
4539 * are two cases that we would otherwise complain about:
4540 * (1) board doesn't support a NIC but the implicit "-net nic"
4542 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4543 * sets up a nic that isn't connected to anything.
4546 net_check_clients();
4551 qemu_boot_set(boot_once
, &error_fatal
);
4552 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4555 ds
= init_displaystate();
4557 /* init local displays */
4558 switch (display_type
) {
4560 curses_display_init(ds
, full_screen
);
4563 sdl_display_init(ds
, full_screen
, no_frame
);
4566 cocoa_display_init(ds
, full_screen
);
4569 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4575 /* must be after terminal init, SDL library changes signal handlers */
4576 os_setup_signal_handling();
4578 /* init remote displays */
4580 qemu_opts_foreach(qemu_find_opts("vnc"),
4581 vnc_init_func
, NULL
, NULL
);
4585 qemu_spice_display_init();
4588 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4592 qdev_machine_creation_done();
4594 /* TODO: once all bus devices are qdevified, this should be done
4595 * when bus is created by qdev.c */
4596 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4597 qemu_run_machine_init_done_notifiers();
4599 if (rom_check_and_register_reset() != 0) {
4600 error_report("rom check and register reset failed");
4606 /* This checkpoint is required by replay to separate prior clock
4607 reading from the other reads, because timer polling functions query
4608 clock values from the log. */
4609 replay_checkpoint(CHECKPOINT_RESET
);
4610 qemu_system_reset(VMRESET_SILENT
);
4611 register_global_state();
4613 if (load_vmstate(loadvm
) < 0) {
4618 qdev_prop_check_globals();
4619 if (vmstate_dump_file
) {
4621 dump_vmstate_json_to_file(vmstate_dump_file
);
4626 Error
*local_err
= NULL
;
4627 qemu_start_incoming_migration(incoming
, &local_err
);
4629 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4632 } else if (autostart
) {
4639 replay_disable_events();
4640 iothread_stop_all();
4646 /* vhost-user must be cleaned up before chardevs. */