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/cpus.h"
115 #include "sysemu/arch_init.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qmp/qerror.h"
126 #include "sysemu/iothread.h"
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
131 static const char *data_dir
[16];
132 static int data_dir_idx
;
133 const char *bios_name
= NULL
;
134 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
135 int request_opengl
= -1;
137 const char* keyboard_layout
= NULL
;
139 const char *mem_path
= NULL
;
140 int mem_prealloc
= 0; /* force preallocation of physical target memory */
141 bool enable_mlock
= false;
143 NICInfo nd_table
[MAX_NICS
];
145 static int rtc_utc
= 1;
146 static int rtc_date_offset
= -1; /* -1 means no change */
147 QEMUClockType rtc_clock
;
148 int vga_interface_type
= VGA_NONE
;
149 static int full_screen
= 0;
150 static int no_frame
= 0;
152 static bool grab_on_hover
;
153 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
154 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
155 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
156 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
157 int win2k_install_hack
= 0;
163 int acpi_enabled
= 1;
166 static int no_reboot
;
169 int graphic_rotate
= 0;
170 const char *watchdog
;
171 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
174 const char *qemu_name
;
177 unsigned int nb_prom_envs
= 0;
178 const char *prom_envs
[MAX_PROM_ENVS
];
181 uint8_t *boot_splash_filedata
;
182 size_t boot_splash_filedata_size
;
183 uint8_t qemu_extra_params_fw
[2];
185 int icount_align_option
;
187 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 static NotifierList exit_notifiers
=
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
196 static NotifierList machine_init_done_notifiers
=
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
201 enum xen_mode xen_mode
= XEN_EMULATE
;
203 static int has_defaults
= 1;
204 static int default_serial
= 1;
205 static int default_parallel
= 1;
206 static int default_virtcon
= 1;
207 static int default_sclp
= 1;
208 static int default_monitor
= 1;
209 static int default_floppy
= 1;
210 static int default_cdrom
= 1;
211 static int default_sdcard
= 1;
212 static int default_vga
= 1;
213 static int default_net
= 1;
219 { .driver
= "isa-serial", .flag
= &default_serial
},
220 { .driver
= "isa-parallel", .flag
= &default_parallel
},
221 { .driver
= "isa-fdc", .flag
= &default_floppy
},
222 { .driver
= "floppy", .flag
= &default_floppy
},
223 { .driver
= "ide-cd", .flag
= &default_cdrom
},
224 { .driver
= "ide-hd", .flag
= &default_cdrom
},
225 { .driver
= "ide-drive", .flag
= &default_cdrom
},
226 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
227 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
228 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
229 { .driver
= "VGA", .flag
= &default_vga
},
230 { .driver
= "isa-vga", .flag
= &default_vga
},
231 { .driver
= "cirrus-vga", .flag
= &default_vga
},
232 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
233 { .driver
= "vmware-svga", .flag
= &default_vga
},
234 { .driver
= "qxl-vga", .flag
= &default_vga
},
235 { .driver
= "virtio-vga", .flag
= &default_vga
},
238 static QemuOptsList qemu_rtc_opts
= {
240 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
244 .type
= QEMU_OPT_STRING
,
247 .type
= QEMU_OPT_STRING
,
250 .type
= QEMU_OPT_STRING
,
252 { /* end of list */ }
256 static QemuOptsList qemu_sandbox_opts
= {
258 .implied_opt_name
= "enable",
259 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
263 .type
= QEMU_OPT_BOOL
,
265 { /* end of list */ }
269 static QemuOptsList qemu_option_rom_opts
= {
270 .name
= "option-rom",
271 .implied_opt_name
= "romfile",
272 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
276 .type
= QEMU_OPT_NUMBER
,
279 .type
= QEMU_OPT_STRING
,
281 { /* end of list */ }
285 static QemuOptsList qemu_machine_opts
= {
287 .implied_opt_name
= "type",
289 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
292 * no elements => accept any
293 * sanity checking will happen later
294 * when setting machine properties
300 static QemuOptsList qemu_boot_opts
= {
302 .implied_opt_name
= "order",
304 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
308 .type
= QEMU_OPT_STRING
,
311 .type
= QEMU_OPT_STRING
,
314 .type
= QEMU_OPT_BOOL
,
317 .type
= QEMU_OPT_STRING
,
319 .name
= "splash-time",
320 .type
= QEMU_OPT_STRING
,
322 .name
= "reboot-timeout",
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_BOOL
,
332 static QemuOptsList qemu_add_fd_opts
= {
334 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
338 .type
= QEMU_OPT_NUMBER
,
339 .help
= "file descriptor of which a duplicate is added to fd set",
342 .type
= QEMU_OPT_NUMBER
,
343 .help
= "ID of the fd set to add fd to",
346 .type
= QEMU_OPT_STRING
,
347 .help
= "free-form string used to describe fd",
349 { /* end of list */ }
353 static QemuOptsList qemu_object_opts
= {
355 .implied_opt_name
= "qom-type",
356 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
362 static QemuOptsList qemu_tpmdev_opts
= {
364 .implied_opt_name
= "type",
365 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
367 /* options are defined in the TPM backends */
368 { /* end of list */ }
372 static QemuOptsList qemu_realtime_opts
= {
374 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
378 .type
= QEMU_OPT_BOOL
,
380 { /* end of list */ }
384 static QemuOptsList qemu_msg_opts
= {
386 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
390 .type
= QEMU_OPT_BOOL
,
392 { /* end of list */ }
396 static QemuOptsList qemu_name_opts
= {
398 .implied_opt_name
= "guest",
400 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
404 .type
= QEMU_OPT_STRING
,
405 .help
= "Sets the name of the guest.\n"
406 "This name will be displayed in the SDL window caption.\n"
407 "The name will also be used for the VNC server",
410 .type
= QEMU_OPT_STRING
,
411 .help
= "Sets the name of the QEMU process, as shown in top etc",
413 .name
= "debug-threads",
414 .type
= QEMU_OPT_BOOL
,
415 .help
= "When enabled, name the individual threads; defaults off.\n"
416 "NOTE: The thread names are for debugging and not a\n"
419 { /* End of list */ }
423 static QemuOptsList qemu_mem_opts
= {
425 .implied_opt_name
= "size",
426 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
431 .type
= QEMU_OPT_SIZE
,
435 .type
= QEMU_OPT_NUMBER
,
439 .type
= QEMU_OPT_SIZE
,
441 { /* end of list */ }
445 static QemuOptsList qemu_icount_opts
= {
447 .implied_opt_name
= "shift",
449 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
453 .type
= QEMU_OPT_STRING
,
456 .type
= QEMU_OPT_BOOL
,
459 .type
= QEMU_OPT_BOOL
,
462 .type
= QEMU_OPT_STRING
,
465 .type
= QEMU_OPT_STRING
,
467 { /* end of list */ }
471 static QemuOptsList qemu_semihosting_config_opts
= {
472 .name
= "semihosting-config",
473 .implied_opt_name
= "enable",
474 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
478 .type
= QEMU_OPT_BOOL
,
481 .type
= QEMU_OPT_STRING
,
484 .type
= QEMU_OPT_STRING
,
486 { /* end of list */ }
490 static QemuOptsList qemu_fw_cfg_opts
= {
492 .implied_opt_name
= "name",
493 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
497 .type
= QEMU_OPT_STRING
,
498 .help
= "Sets the fw_cfg name of the blob to be inserted",
501 .type
= QEMU_OPT_STRING
,
502 .help
= "Sets the name of the file from which\n"
503 "the fw_cfg blob will be loaded",
506 .type
= QEMU_OPT_STRING
,
507 .help
= "Sets content of the blob to be inserted from a string",
509 { /* end of list */ }
513 #ifdef CONFIG_LIBISCSI
514 static QemuOptsList qemu_iscsi_opts
= {
516 .head
= QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts
.head
),
520 .type
= QEMU_OPT_STRING
,
521 .help
= "username for CHAP authentication to target",
524 .type
= QEMU_OPT_STRING
,
525 .help
= "password for CHAP authentication to target",
527 .name
= "password-secret",
528 .type
= QEMU_OPT_STRING
,
529 .help
= "ID of the secret providing password for CHAP "
530 "authentication to target",
532 .name
= "header-digest",
533 .type
= QEMU_OPT_STRING
,
534 .help
= "HeaderDigest setting. "
535 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
537 .name
= "initiator-name",
538 .type
= QEMU_OPT_STRING
,
539 .help
= "Initiator iqn name to use when connecting",
542 .type
= QEMU_OPT_NUMBER
,
543 .help
= "Request timeout in seconds (default 0 = no timeout)",
545 { /* end of list */ }
551 * Get machine options
553 * Returns: machine options (never null).
555 QemuOpts
*qemu_get_machine_opts(void)
557 return qemu_find_opts_singleton("machine");
560 const char *qemu_get_vm_name(void)
565 static void res_free(void)
567 g_free(boot_splash_filedata
);
568 boot_splash_filedata
= NULL
;
571 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
573 const char *driver
= qemu_opt_get(opts
, "driver");
578 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
579 if (strcmp(default_list
[i
].driver
, driver
) != 0)
581 *(default_list
[i
].flag
) = 0;
586 /***********************************************************/
589 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
591 /* We use RUN_STATE__MAX but any invalid value will do */
592 static RunState vmstop_requested
= RUN_STATE__MAX
;
593 static QemuMutex vmstop_lock
;
598 } RunStateTransition
;
600 static const RunStateTransition runstate_transitions_def
[] = {
602 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
603 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
606 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
607 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
608 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
609 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
610 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
611 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
612 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
613 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
614 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
615 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
616 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
617 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
619 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
620 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
621 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
623 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
624 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
625 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
627 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
628 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
629 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
630 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
632 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
633 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
634 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
636 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
637 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
638 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
640 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
641 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
642 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
643 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
645 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
646 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
648 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
650 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
651 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
652 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
653 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
654 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
655 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
656 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
657 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
658 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
659 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
660 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
662 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
664 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
665 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
666 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
668 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
669 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
670 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
671 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
672 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
673 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
675 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
676 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
677 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
678 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
680 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
681 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
682 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
684 { RUN_STATE__MAX
, RUN_STATE__MAX
},
687 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
689 bool runstate_check(RunState state
)
691 return current_run_state
== state
;
694 bool runstate_store(char *str
, size_t size
)
696 const char *state
= RunState_lookup
[current_run_state
];
697 size_t len
= strlen(state
) + 1;
702 memcpy(str
, state
, len
);
706 static void runstate_init(void)
708 const RunStateTransition
*p
;
710 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
711 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
712 runstate_valid_transitions
[p
->from
][p
->to
] = true;
715 qemu_mutex_init(&vmstop_lock
);
718 /* This function will abort() on invalid state transitions */
719 void runstate_set(RunState new_state
)
721 assert(new_state
< RUN_STATE__MAX
);
723 if (current_run_state
== new_state
) {
727 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
728 error_report("invalid runstate transition: '%s' -> '%s'",
729 RunState_lookup
[current_run_state
],
730 RunState_lookup
[new_state
]);
733 trace_runstate_set(new_state
);
734 current_run_state
= new_state
;
737 int runstate_is_running(void)
739 return runstate_check(RUN_STATE_RUNNING
);
742 bool runstate_needs_reset(void)
744 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
745 runstate_check(RUN_STATE_SHUTDOWN
);
748 StatusInfo
*qmp_query_status(Error
**errp
)
750 StatusInfo
*info
= g_malloc0(sizeof(*info
));
752 info
->running
= runstate_is_running();
753 info
->singlestep
= singlestep
;
754 info
->status
= current_run_state
;
759 static bool qemu_vmstop_requested(RunState
*r
)
761 qemu_mutex_lock(&vmstop_lock
);
762 *r
= vmstop_requested
;
763 vmstop_requested
= RUN_STATE__MAX
;
764 qemu_mutex_unlock(&vmstop_lock
);
765 return *r
< RUN_STATE__MAX
;
768 void qemu_system_vmstop_request_prepare(void)
770 qemu_mutex_lock(&vmstop_lock
);
773 void qemu_system_vmstop_request(RunState state
)
775 vmstop_requested
= state
;
776 qemu_mutex_unlock(&vmstop_lock
);
784 qemu_vmstop_requested(&requested
);
785 if (runstate_is_running() && requested
== RUN_STATE__MAX
) {
789 /* Ensure that a STOP/RESUME pair of events is emitted if a
790 * vmstop request was pending. The BLOCK_IO_ERROR event, for
791 * example, according to documentation is always followed by
794 if (runstate_is_running()) {
795 qapi_event_send_stop(&error_abort
);
797 replay_enable_events();
799 runstate_set(RUN_STATE_RUNNING
);
800 vm_state_notify(1, RUN_STATE_RUNNING
);
804 qapi_event_send_resume(&error_abort
);
808 /***********************************************************/
809 /* real time host monotonic timer */
811 static time_t qemu_time(void)
813 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
816 /***********************************************************/
817 /* host time/date access */
818 void qemu_get_timedate(struct tm
*tm
, int offset
)
820 time_t ti
= qemu_time();
823 if (rtc_date_offset
== -1) {
827 localtime_r(&ti
, tm
);
829 ti
-= rtc_date_offset
;
834 int qemu_timedate_diff(struct tm
*tm
)
838 if (rtc_date_offset
== -1)
840 seconds
= mktimegm(tm
);
843 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
844 seconds
= mktime(&tmp
);
847 seconds
= mktimegm(tm
) + rtc_date_offset
;
849 return seconds
- qemu_time();
852 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
854 time_t rtc_start_date
;
857 if (!strcmp(startdate
, "now") && legacy
) {
858 rtc_date_offset
= -1;
860 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
868 } else if (sscanf(startdate
, "%d-%d-%d",
880 rtc_start_date
= mktimegm(&tm
);
881 if (rtc_start_date
== -1) {
883 error_report("invalid date format");
884 error_printf("valid formats: "
885 "'2006-06-17T16:01:21' or '2006-06-17'\n");
888 rtc_date_offset
= qemu_time() - rtc_start_date
;
892 static void configure_rtc(QemuOpts
*opts
)
896 value
= qemu_opt_get(opts
, "base");
898 if (!strcmp(value
, "utc")) {
900 } else if (!strcmp(value
, "localtime")) {
901 Error
*blocker
= NULL
;
903 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
904 "-rtc base=localtime");
905 replay_add_blocker(blocker
);
907 configure_rtc_date_offset(value
, 0);
910 value
= qemu_opt_get(opts
, "clock");
912 if (!strcmp(value
, "host")) {
913 rtc_clock
= QEMU_CLOCK_HOST
;
914 } else if (!strcmp(value
, "rt")) {
915 rtc_clock
= QEMU_CLOCK_REALTIME
;
916 } else if (!strcmp(value
, "vm")) {
917 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
919 error_report("invalid option value '%s'", value
);
923 value
= qemu_opt_get(opts
, "driftfix");
925 if (!strcmp(value
, "slew")) {
926 static GlobalProperty slew_lost_ticks
= {
927 .driver
= "mc146818rtc",
928 .property
= "lost_tick_policy",
932 qdev_prop_register_global(&slew_lost_ticks
);
933 } else if (!strcmp(value
, "none")) {
934 /* discard is default */
936 error_report("invalid option value '%s'", value
);
942 /***********************************************************/
943 /* Bluetooth support */
946 static struct HCIInfo
*hci_table
[MAX_NICS
];
948 struct HCIInfo
*qemu_next_hci(void)
950 if (cur_hci
== nb_hcis
)
953 return hci_table
[cur_hci
++];
956 static int bt_hci_parse(const char *str
)
961 if (nb_hcis
>= MAX_NICS
) {
962 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
975 bdaddr
.b
[5] = 0x56 + nb_hcis
;
976 hci
->bdaddr_set(hci
, bdaddr
.b
);
978 hci_table
[nb_hcis
++] = hci
;
983 static void bt_vhci_add(int vlan_id
)
985 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
988 error_report("warning: adding a VHCI to an empty scatternet %i",
991 bt_vhci_init(bt_new_hci(vlan
));
994 static struct bt_device_s
*bt_device_add(const char *opt
)
996 struct bt_scatternet_s
*vlan
;
998 char *endp
= strstr(opt
, ",vlan=");
999 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
1002 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
1005 vlan_id
= strtol(endp
+ 6, &endp
, 0);
1007 error_report("unrecognised bluetooth vlan Id");
1012 vlan
= qemu_find_bt_vlan(vlan_id
);
1015 error_report("warning: adding a slave device to an empty scatternet %i",
1018 if (!strcmp(devname
, "keyboard"))
1019 return bt_keyboard_init(vlan
);
1021 error_report("unsupported bluetooth device '%s'", devname
);
1025 static int bt_parse(const char *opt
)
1027 const char *endp
, *p
;
1030 if (strstart(opt
, "hci", &endp
)) {
1031 if (!*endp
|| *endp
== ',') {
1033 if (!strstart(endp
, ",vlan=", 0))
1036 return bt_hci_parse(opt
);
1038 } else if (strstart(opt
, "vhci", &endp
)) {
1039 if (!*endp
|| *endp
== ',') {
1041 if (strstart(endp
, ",vlan=", &p
)) {
1042 vlan
= strtol(p
, (char **) &endp
, 0);
1044 error_report("bad scatternet '%s'", p
);
1048 error_report("bad parameter '%s'", endp
+ 1);
1057 } else if (strstart(opt
, "device:", &endp
))
1058 return !bt_device_add(endp
);
1060 error_report("bad bluetooth parameter '%s'", opt
);
1064 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1066 /* FIXME: change this to true for 1.3 */
1067 if (qemu_opt_get_bool(opts
, "enable", false)) {
1068 #ifdef CONFIG_SECCOMP
1069 if (seccomp_start() < 0) {
1070 error_report("failed to install seccomp syscall filter "
1075 error_report("seccomp support is disabled");
1083 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1085 const char *proc_name
;
1087 if (qemu_opt_get(opts
, "debug-threads")) {
1088 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1090 qemu_name
= qemu_opt_get(opts
, "guest");
1092 proc_name
= qemu_opt_get(opts
, "process");
1094 os_set_proc_name(proc_name
);
1100 bool defaults_enabled(void)
1102 return has_defaults
;
1106 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1108 int fd
, dupfd
, flags
;
1110 const char *fd_opaque
= NULL
;
1113 fd
= qemu_opt_get_number(opts
, "fd", -1);
1114 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1115 fd_opaque
= qemu_opt_get(opts
, "opaque");
1118 error_report("fd option is required and must be non-negative");
1122 if (fd
<= STDERR_FILENO
) {
1123 error_report("fd cannot be a standard I/O stream");
1128 * All fds inherited across exec() necessarily have FD_CLOEXEC
1129 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1131 flags
= fcntl(fd
, F_GETFD
);
1132 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1133 error_report("fd is not valid or already in use");
1138 error_report("set option is required and must be non-negative");
1142 #ifdef F_DUPFD_CLOEXEC
1143 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1147 qemu_set_cloexec(dupfd
);
1151 error_report("error duplicating fd: %s", strerror(errno
));
1155 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1156 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1163 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1167 fd
= qemu_opt_get_number(opts
, "fd", -1);
1174 /***********************************************************/
1175 /* QEMU Block devices */
1177 #define HD_OPTS "media=disk"
1178 #define CDROM_OPTS "media=cdrom"
1180 #define PFLASH_OPTS ""
1184 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1186 BlockInterfaceType
*block_default_type
= opaque
;
1188 return drive_new(opts
, *block_default_type
) == NULL
;
1191 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1193 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1194 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1199 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1200 int index
, const char *optstr
)
1205 if (!enable
|| drive_get_by_index(type
, index
)) {
1209 opts
= drive_add(type
, index
, NULL
, optstr
);
1211 drive_enable_snapshot(NULL
, opts
, NULL
);
1214 dinfo
= drive_new(opts
, type
);
1218 dinfo
->is_default
= true;
1222 static QemuOptsList qemu_smp_opts
= {
1224 .implied_opt_name
= "cpus",
1225 .merge_lists
= true,
1226 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1230 .type
= QEMU_OPT_NUMBER
,
1233 .type
= QEMU_OPT_NUMBER
,
1236 .type
= QEMU_OPT_NUMBER
,
1239 .type
= QEMU_OPT_NUMBER
,
1242 .type
= QEMU_OPT_NUMBER
,
1244 { /*End of list */ }
1248 static void smp_parse(QemuOpts
*opts
)
1251 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1252 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1253 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1254 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1256 /* compute missing values, prefer sockets over cores over threads */
1257 if (cpus
== 0 || sockets
== 0) {
1258 sockets
= sockets
> 0 ? sockets
: 1;
1259 cores
= cores
> 0 ? cores
: 1;
1260 threads
= threads
> 0 ? threads
: 1;
1262 cpus
= cores
* threads
* sockets
;
1264 } else if (cores
== 0) {
1265 threads
= threads
> 0 ? threads
: 1;
1266 cores
= cpus
/ (sockets
* threads
);
1267 cores
= cores
> 0 ? cores
: 1;
1268 } else if (threads
== 0) {
1269 threads
= cpus
/ (cores
* sockets
);
1270 threads
= threads
> 0 ? threads
: 1;
1271 } else if (sockets
* cores
* threads
< cpus
) {
1272 error_report("cpu topology: "
1273 "sockets (%u) * cores (%u) * threads (%u) < "
1275 sockets
, cores
, threads
, cpus
);
1279 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1281 if (max_cpus
> MAX_CPUMASK_BITS
) {
1282 error_report("unsupported number of maxcpus");
1286 if (max_cpus
< cpus
) {
1287 error_report("maxcpus must be equal to or greater than smp");
1291 if (sockets
* cores
* threads
> max_cpus
) {
1292 error_report("cpu topology: "
1293 "sockets (%u) * cores (%u) * threads (%u) > "
1295 sockets
, cores
, threads
, max_cpus
);
1301 smp_threads
= threads
;
1305 Error
*blocker
= NULL
;
1306 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1307 replay_add_blocker(blocker
);
1311 static void realtime_init(void)
1314 if (os_mlock() < 0) {
1315 error_report("locking memory failed");
1322 static void configure_msg(QemuOpts
*opts
)
1324 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1327 /***********************************************************/
1330 typedef struct SemihostingConfig
{
1332 SemihostingTarget target
;
1335 const char *cmdline
; /* concatenated argv */
1336 } SemihostingConfig
;
1338 static SemihostingConfig semihosting
;
1340 bool semihosting_enabled(void)
1342 return semihosting
.enabled
;
1345 SemihostingTarget
semihosting_get_target(void)
1347 return semihosting
.target
;
1350 const char *semihosting_get_arg(int i
)
1352 if (i
>= semihosting
.argc
) {
1355 return semihosting
.argv
[i
];
1358 int semihosting_get_argc(void)
1360 return semihosting
.argc
;
1363 const char *semihosting_get_cmdline(void)
1365 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1366 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1368 return semihosting
.cmdline
;
1371 static int add_semihosting_arg(void *opaque
,
1372 const char *name
, const char *val
,
1375 SemihostingConfig
*s
= opaque
;
1376 if (strcmp(name
, "arg") == 0) {
1378 /* one extra element as g_strjoinv() expects NULL-terminated array */
1379 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1380 s
->argv
[s
->argc
- 1] = val
;
1381 s
->argv
[s
->argc
] = NULL
;
1386 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1387 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1392 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1394 /* split -append and initialize argv[1..n] */
1395 cmd_token
= strtok(g_strdup(cmd
), " ");
1397 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1398 cmd_token
= strtok(NULL
, " ");
1402 /* Now we still need this for compatibility with XEN. */
1403 bool has_igd_gfx_passthru
;
1404 static void igd_gfx_passthru(void)
1406 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1409 /***********************************************************/
1412 static int usb_device_add(const char *devname
)
1414 USBDevice
*dev
= NULL
;
1415 #ifndef CONFIG_LINUX
1419 if (!machine_usb(current_machine
)) {
1423 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1424 dev
= usbdevice_create(devname
);
1428 /* the other ones */
1429 #ifndef CONFIG_LINUX
1430 /* only the linux version is qdev-ified, usb-bsd still needs this */
1431 if (strstart(devname
, "host:", &p
)) {
1432 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1442 static int usb_device_del(const char *devname
)
1447 if (strstart(devname
, "host:", &p
)) {
1451 if (!machine_usb(current_machine
)) {
1455 p
= strchr(devname
, '.');
1458 bus_num
= strtoul(devname
, NULL
, 0);
1459 addr
= strtoul(p
+ 1, NULL
, 0);
1461 return usb_device_delete_addr(bus_num
, addr
);
1464 static int usb_parse(const char *cmdline
)
1467 r
= usb_device_add(cmdline
);
1469 error_report("could not add USB device '%s'", cmdline
);
1474 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1476 const char *devname
= qdict_get_str(qdict
, "devname");
1477 if (usb_device_add(devname
) < 0) {
1478 error_report("could not add USB device '%s'", devname
);
1482 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1484 const char *devname
= qdict_get_str(qdict
, "devname");
1485 if (usb_device_del(devname
) < 0) {
1486 error_report("could not delete USB device '%s'", devname
);
1490 /***********************************************************/
1491 /* machine registration */
1493 MachineState
*current_machine
;
1495 static MachineClass
*find_machine(const char *name
)
1497 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1498 MachineClass
*mc
= NULL
;
1500 for (el
= machines
; el
; el
= el
->next
) {
1501 MachineClass
*temp
= el
->data
;
1503 if (!strcmp(temp
->name
, name
)) {
1508 !strcmp(temp
->alias
, name
)) {
1514 g_slist_free(machines
);
1518 MachineClass
*find_default_machine(void)
1520 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1521 MachineClass
*mc
= NULL
;
1523 for (el
= machines
; el
; el
= el
->next
) {
1524 MachineClass
*temp
= el
->data
;
1526 if (temp
->is_default
) {
1532 g_slist_free(machines
);
1536 MachineInfoList
*qmp_query_machines(Error
**errp
)
1538 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1539 MachineInfoList
*mach_list
= NULL
;
1541 for (el
= machines
; el
; el
= el
->next
) {
1542 MachineClass
*mc
= el
->data
;
1543 MachineInfoList
*entry
;
1546 info
= g_malloc0(sizeof(*info
));
1547 if (mc
->is_default
) {
1548 info
->has_is_default
= true;
1549 info
->is_default
= true;
1553 info
->has_alias
= true;
1554 info
->alias
= g_strdup(mc
->alias
);
1557 info
->name
= g_strdup(mc
->name
);
1558 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1559 info
->hotpluggable_cpus
= !!mc
->query_hotpluggable_cpus
;
1561 entry
= g_malloc0(sizeof(*entry
));
1562 entry
->value
= info
;
1563 entry
->next
= mach_list
;
1567 g_slist_free(machines
);
1571 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1573 ObjectProperty
*prop
;
1574 ObjectPropertyIterator iter
;
1576 if (!qemu_opt_has_help_opt(opts
)) {
1580 object_property_iter_init(&iter
, OBJECT(machine
));
1581 while ((prop
= object_property_iter_next(&iter
))) {
1586 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1587 prop
->name
, prop
->type
);
1588 if (prop
->description
) {
1589 error_printf(" (%s)\n", prop
->description
);
1598 /***********************************************************/
1599 /* main execution loop */
1601 struct vm_change_state_entry
{
1602 VMChangeStateHandler
*cb
;
1604 QLIST_ENTRY (vm_change_state_entry
) entries
;
1607 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1609 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1612 VMChangeStateEntry
*e
;
1614 e
= g_malloc0(sizeof (*e
));
1618 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1622 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1624 QLIST_REMOVE (e
, entries
);
1628 void vm_state_notify(int running
, RunState state
)
1630 VMChangeStateEntry
*e
, *next
;
1632 trace_vm_state_notify(running
, state
);
1634 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1635 e
->cb(e
->opaque
, running
, state
);
1639 /* reset/shutdown handler */
1641 typedef struct QEMUResetEntry
{
1642 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1643 QEMUResetHandler
*func
;
1647 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1648 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1649 static int reset_requested
;
1650 static int shutdown_requested
, shutdown_signal
= -1;
1651 static pid_t shutdown_pid
;
1652 static int powerdown_requested
;
1653 static int debug_requested
;
1654 static int suspend_requested
;
1655 static WakeupReason wakeup_reason
;
1656 static NotifierList powerdown_notifiers
=
1657 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1658 static NotifierList suspend_notifiers
=
1659 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1660 static NotifierList wakeup_notifiers
=
1661 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1662 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1664 int qemu_shutdown_requested_get(void)
1666 return shutdown_requested
;
1669 int qemu_reset_requested_get(void)
1671 return reset_requested
;
1674 static int qemu_shutdown_requested(void)
1676 return atomic_xchg(&shutdown_requested
, 0);
1679 static void qemu_kill_report(void)
1681 if (!qtest_driver() && shutdown_signal
!= -1) {
1682 if (shutdown_pid
== 0) {
1683 /* This happens for eg ^C at the terminal, so it's worth
1684 * avoiding printing an odd message in that case.
1686 error_report("terminating on signal %d", shutdown_signal
);
1688 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1690 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1691 shutdown_signal
, shutdown_pid
,
1692 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1693 g_free(shutdown_cmd
);
1695 shutdown_signal
= -1;
1699 static int qemu_reset_requested(void)
1701 int r
= reset_requested
;
1702 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1703 reset_requested
= 0;
1709 static int qemu_suspend_requested(void)
1711 int r
= suspend_requested
;
1712 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1713 suspend_requested
= 0;
1719 static WakeupReason
qemu_wakeup_requested(void)
1721 return wakeup_reason
;
1724 static int qemu_powerdown_requested(void)
1726 int r
= powerdown_requested
;
1727 powerdown_requested
= 0;
1731 static int qemu_debug_requested(void)
1733 int r
= debug_requested
;
1734 debug_requested
= 0;
1738 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1740 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1743 re
->opaque
= opaque
;
1744 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1747 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1751 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1752 if (re
->func
== func
&& re
->opaque
== opaque
) {
1753 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1760 void qemu_devices_reset(void)
1762 QEMUResetEntry
*re
, *nre
;
1764 /* reset all devices */
1765 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1766 re
->func(re
->opaque
);
1770 void qemu_system_reset(bool report
)
1774 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1776 cpu_synchronize_all_states();
1778 if (mc
&& mc
->reset
) {
1781 qemu_devices_reset();
1784 qapi_event_send_reset(&error_abort
);
1786 cpu_synchronize_all_post_reset();
1789 void qemu_system_guest_panicked(void)
1792 current_cpu
->crash_occurred
= true;
1794 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1795 vm_stop(RUN_STATE_GUEST_PANICKED
);
1798 void qemu_system_reset_request(void)
1801 shutdown_requested
= 1;
1803 reset_requested
= 1;
1806 qemu_notify_event();
1809 static void qemu_system_suspend(void)
1812 notifier_list_notify(&suspend_notifiers
, NULL
);
1813 runstate_set(RUN_STATE_SUSPENDED
);
1814 qapi_event_send_suspend(&error_abort
);
1817 void qemu_system_suspend_request(void)
1819 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1822 suspend_requested
= 1;
1824 qemu_notify_event();
1827 void qemu_register_suspend_notifier(Notifier
*notifier
)
1829 notifier_list_add(&suspend_notifiers
, notifier
);
1832 void qemu_system_wakeup_request(WakeupReason reason
)
1834 trace_system_wakeup_request(reason
);
1836 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1839 if (!(wakeup_reason_mask
& (1 << reason
))) {
1842 runstate_set(RUN_STATE_RUNNING
);
1843 wakeup_reason
= reason
;
1844 qemu_notify_event();
1847 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1850 wakeup_reason_mask
|= (1 << reason
);
1852 wakeup_reason_mask
&= ~(1 << reason
);
1856 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1858 notifier_list_add(&wakeup_notifiers
, notifier
);
1861 void qemu_system_killed(int signal
, pid_t pid
)
1863 shutdown_signal
= signal
;
1867 /* Cannot call qemu_system_shutdown_request directly because
1868 * we are in a signal handler.
1870 shutdown_requested
= 1;
1871 qemu_notify_event();
1874 void qemu_system_shutdown_request(void)
1876 trace_qemu_system_shutdown_request();
1877 replay_shutdown_request();
1878 shutdown_requested
= 1;
1879 qemu_notify_event();
1882 static void qemu_system_powerdown(void)
1884 qapi_event_send_powerdown(&error_abort
);
1885 notifier_list_notify(&powerdown_notifiers
, NULL
);
1888 void qemu_system_powerdown_request(void)
1890 trace_qemu_system_powerdown_request();
1891 powerdown_requested
= 1;
1892 qemu_notify_event();
1895 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1897 notifier_list_add(&powerdown_notifiers
, notifier
);
1900 void qemu_system_debug_request(void)
1902 debug_requested
= 1;
1903 qemu_notify_event();
1906 static bool main_loop_should_exit(void)
1909 if (qemu_debug_requested()) {
1910 vm_stop(RUN_STATE_DEBUG
);
1912 if (qemu_suspend_requested()) {
1913 qemu_system_suspend();
1915 if (qemu_shutdown_requested()) {
1917 qapi_event_send_shutdown(&error_abort
);
1919 vm_stop(RUN_STATE_SHUTDOWN
);
1924 if (qemu_reset_requested()) {
1926 qemu_system_reset(VMRESET_REPORT
);
1928 if (!runstate_check(RUN_STATE_RUNNING
) &&
1929 !runstate_check(RUN_STATE_INMIGRATE
)) {
1930 runstate_set(RUN_STATE_PRELAUNCH
);
1933 if (qemu_wakeup_requested()) {
1935 qemu_system_reset(VMRESET_SILENT
);
1936 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1937 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1939 qapi_event_send_wakeup(&error_abort
);
1941 if (qemu_powerdown_requested()) {
1942 qemu_system_powerdown();
1944 if (qemu_vmstop_requested(&r
)) {
1950 static void main_loop(void)
1954 #ifdef CONFIG_PROFILER
1958 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1959 #ifdef CONFIG_PROFILER
1960 ti
= profile_getclock();
1962 last_io
= main_loop_wait(nonblocking
);
1963 #ifdef CONFIG_PROFILER
1964 dev_time
+= profile_getclock() - ti
;
1966 } while (!main_loop_should_exit());
1969 static void version(void)
1971 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
"\n"
1972 QEMU_COPYRIGHT
"\n");
1975 static void help(int exitcode
)
1978 printf("usage: %s [options] [disk_image]\n\n"
1979 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1980 error_get_progname());
1982 #define QEMU_OPTIONS_GENERATE_HELP
1983 #include "qemu-options-wrapper.h"
1985 printf("\nDuring emulation, the following keys are useful:\n"
1986 "ctrl-alt-f toggle full screen\n"
1987 "ctrl-alt-n switch to virtual console 'n'\n"
1988 "ctrl-alt toggle mouse and keyboard grab\n"
1990 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1995 #define HAS_ARG 0x0001
1997 typedef struct QEMUOption
{
2004 static const QEMUOption qemu_options
[] = {
2005 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2006 #define QEMU_OPTIONS_GENERATE_OPTIONS
2007 #include "qemu-options-wrapper.h"
2011 typedef struct VGAInterfaceInfo
{
2012 const char *opt_name
; /* option name */
2013 const char *name
; /* human-readable name */
2014 /* Class names indicating that support is available.
2015 * If no class is specified, the interface is always available */
2016 const char *class_names
[2];
2019 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
2025 .name
= "standard VGA",
2026 .class_names
= { "VGA", "isa-vga" },
2029 .opt_name
= "cirrus",
2030 .name
= "Cirrus VGA",
2031 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2034 .opt_name
= "vmware",
2035 .name
= "VMWare SVGA",
2036 .class_names
= { "vmware-svga" },
2039 .opt_name
= "virtio",
2040 .name
= "Virtio VGA",
2041 .class_names
= { "virtio-vga" },
2046 .class_names
= { "qxl-vga" },
2050 .name
= "TCX framebuffer",
2051 .class_names
= { "SUNW,tcx" },
2055 .name
= "CG3 framebuffer",
2056 .class_names
= { "cgthree" },
2059 .opt_name
= "xenfb",
2063 static bool vga_interface_available(VGAInterfaceType t
)
2065 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2067 assert(t
< VGA_TYPE_MAX
);
2068 return !ti
->class_names
[0] ||
2069 object_class_by_name(ti
->class_names
[0]) ||
2070 object_class_by_name(ti
->class_names
[1]);
2073 static void select_vgahw(const char *p
)
2078 assert(vga_interface_type
== VGA_NONE
);
2079 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2080 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2081 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2082 if (!vga_interface_available(t
)) {
2083 error_report("%s not available", ti
->name
);
2086 vga_interface_type
= t
;
2090 if (t
== VGA_TYPE_MAX
) {
2092 error_report("unknown vga type: %s", p
);
2096 const char *nextopt
;
2098 if (strstart(opts
, ",retrace=", &nextopt
)) {
2100 if (strstart(opts
, "dumb", &nextopt
))
2101 vga_retrace_method
= VGA_RETRACE_DUMB
;
2102 else if (strstart(opts
, "precise", &nextopt
))
2103 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2104 else goto invalid_vga
;
2105 } else goto invalid_vga
;
2110 typedef enum DisplayType
{
2119 static DisplayType
select_display(const char *p
)
2122 DisplayType display
= DT_DEFAULT
;
2124 if (strstart(p
, "sdl", &opts
)) {
2128 const char *nextopt
;
2130 if (strstart(opts
, ",frame=", &nextopt
)) {
2132 if (strstart(opts
, "on", &nextopt
)) {
2134 } else if (strstart(opts
, "off", &nextopt
)) {
2137 goto invalid_sdl_args
;
2139 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2141 if (strstart(opts
, "on", &nextopt
)) {
2143 } else if (strstart(opts
, "off", &nextopt
)) {
2146 goto invalid_sdl_args
;
2148 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2150 if (strstart(opts
, "on", &nextopt
)) {
2152 } else if (strstart(opts
, "off", &nextopt
)) {
2155 goto invalid_sdl_args
;
2157 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2159 if (strstart(opts
, "on", &nextopt
)) {
2161 } else if (strstart(opts
, "off", &nextopt
)) {
2164 goto invalid_sdl_args
;
2166 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2168 if (strstart(opts
, "on", &nextopt
)) {
2170 } else if (strstart(opts
, "off", &nextopt
)) {
2173 goto invalid_sdl_args
;
2177 error_report("invalid SDL option string");
2183 error_report("SDL support is disabled");
2186 } else if (strstart(p
, "vnc", &opts
)) {
2188 vnc_parse(opts
+ 1, &error_fatal
);
2190 error_report("VNC requires a display argument vnc=<display>");
2193 } else if (strstart(p
, "curses", &opts
)) {
2194 #ifdef CONFIG_CURSES
2195 display
= DT_CURSES
;
2197 error_report("curses support is disabled");
2200 } else if (strstart(p
, "gtk", &opts
)) {
2204 const char *nextopt
;
2206 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2208 if (strstart(opts
, "on", &nextopt
)) {
2209 grab_on_hover
= true;
2210 } else if (strstart(opts
, "off", &nextopt
)) {
2211 grab_on_hover
= false;
2213 goto invalid_gtk_args
;
2215 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2217 if (strstart(opts
, "on", &nextopt
)) {
2219 } else if (strstart(opts
, "off", &nextopt
)) {
2222 goto invalid_gtk_args
;
2226 error_report("invalid GTK option string");
2232 error_report("GTK support is disabled");
2235 } else if (strstart(p
, "none", &opts
)) {
2238 error_report("unknown display type");
2245 static int balloon_parse(const char *arg
)
2249 if (strcmp(arg
, "none") == 0) {
2253 if (!strncmp(arg
, "virtio", 6)) {
2254 if (arg
[6] == ',') {
2255 /* have params -> parse them */
2256 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2261 /* create empty opts */
2262 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2265 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2272 char *qemu_find_file(int type
, const char *name
)
2278 /* Try the name as a straight path first */
2279 if (access(name
, R_OK
) == 0) {
2280 trace_load_file(name
, name
);
2281 return g_strdup(name
);
2285 case QEMU_FILE_TYPE_BIOS
:
2288 case QEMU_FILE_TYPE_KEYMAP
:
2289 subdir
= "keymaps/";
2295 for (i
= 0; i
< data_dir_idx
; i
++) {
2296 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2297 if (access(buf
, R_OK
) == 0) {
2298 trace_load_file(name
, buf
);
2306 static inline bool nonempty_str(const char *str
)
2311 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2315 const char *name
, *file
, *str
;
2316 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2318 if (fw_cfg
== NULL
) {
2319 error_report("fw_cfg device not available");
2322 name
= qemu_opt_get(opts
, "name");
2323 file
= qemu_opt_get(opts
, "file");
2324 str
= qemu_opt_get(opts
, "string");
2326 /* we need name and either a file or the content string */
2327 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2328 error_report("invalid argument(s)");
2331 if (nonempty_str(file
) && nonempty_str(str
)) {
2332 error_report("file and string are mutually exclusive");
2335 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2336 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2339 if (strncmp(name
, "opt/", 4) != 0) {
2340 error_report("warning: externally provided fw_cfg item names "
2341 "should be prefixed with \"opt/\"");
2343 if (nonempty_str(str
)) {
2344 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2345 buf
= g_memdup(str
, size
);
2347 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2348 error_report("can't load %s", file
);
2352 /* For legacy, keep user files in a specific global order. */
2353 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2354 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2355 fw_cfg_reset_order_override(fw_cfg
);
2359 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2361 return qdev_device_help(opts
);
2364 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2369 dev
= qdev_device_add(opts
, &err
);
2371 error_report_err(err
);
2374 object_unref(OBJECT(dev
));
2378 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2380 Error
*local_err
= NULL
;
2382 qemu_chr_new_from_opts(opts
, &local_err
);
2384 error_report_err(local_err
);
2390 #ifdef CONFIG_VIRTFS
2391 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2393 return qemu_fsdev_add(opts
);
2397 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2399 CharDriverState
*chr
;
2400 const char *chardev
;
2404 mode
= qemu_opt_get(opts
, "mode");
2408 if (strcmp(mode
, "readline") == 0) {
2409 flags
= MONITOR_USE_READLINE
;
2410 } else if (strcmp(mode
, "control") == 0) {
2411 flags
= MONITOR_USE_CONTROL
;
2413 error_report("unknown monitor mode \"%s\"", mode
);
2417 if (qemu_opt_get_bool(opts
, "pretty", 0))
2418 flags
|= MONITOR_USE_PRETTY
;
2420 if (qemu_opt_get_bool(opts
, "default", 0))
2421 flags
|= MONITOR_IS_DEFAULT
;
2423 chardev
= qemu_opt_get(opts
, "chardev");
2424 chr
= qemu_chr_find(chardev
);
2426 error_report("chardev \"%s\" not found", chardev
);
2430 monitor_init(chr
, flags
);
2434 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2436 static int monitor_device_index
= 0;
2442 if (strstart(optarg
, "chardev:", &p
)) {
2443 snprintf(label
, sizeof(label
), "%s", p
);
2445 snprintf(label
, sizeof(label
), "compat_monitor%d",
2446 monitor_device_index
);
2447 if (monitor_device_index
== 0) {
2450 opts
= qemu_chr_parse_compat(label
, optarg
);
2452 error_report("parse error: %s", optarg
);
2457 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2458 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2459 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2460 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2462 qemu_opt_set(opts
, "default", "on", &error_abort
);
2463 monitor_device_index
++;
2466 struct device_config
{
2468 DEV_USB
, /* -usbdevice */
2470 DEV_SERIAL
, /* -serial */
2471 DEV_PARALLEL
, /* -parallel */
2472 DEV_VIRTCON
, /* -virtioconsole */
2473 DEV_DEBUGCON
, /* -debugcon */
2474 DEV_GDB
, /* -gdb, -s */
2475 DEV_SCLP
, /* s390 sclp */
2477 const char *cmdline
;
2479 QTAILQ_ENTRY(device_config
) next
;
2482 static QTAILQ_HEAD(, device_config
) device_configs
=
2483 QTAILQ_HEAD_INITIALIZER(device_configs
);
2485 static void add_device_config(int type
, const char *cmdline
)
2487 struct device_config
*conf
;
2489 conf
= g_malloc0(sizeof(*conf
));
2491 conf
->cmdline
= cmdline
;
2492 loc_save(&conf
->loc
);
2493 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2496 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2498 struct device_config
*conf
;
2501 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2502 if (conf
->type
!= type
)
2504 loc_push_restore(&conf
->loc
);
2505 rc
= func(conf
->cmdline
);
2506 loc_pop(&conf
->loc
);
2514 static int serial_parse(const char *devname
)
2516 static int index
= 0;
2519 if (strcmp(devname
, "none") == 0)
2521 if (index
== MAX_SERIAL_PORTS
) {
2522 error_report("too many serial ports");
2525 snprintf(label
, sizeof(label
), "serial%d", index
);
2526 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2527 if (!serial_hds
[index
]) {
2528 error_report("could not connect serial device"
2529 " to character backend '%s'", devname
);
2536 static int parallel_parse(const char *devname
)
2538 static int index
= 0;
2541 if (strcmp(devname
, "none") == 0)
2543 if (index
== MAX_PARALLEL_PORTS
) {
2544 error_report("too many parallel ports");
2547 snprintf(label
, sizeof(label
), "parallel%d", index
);
2548 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2549 if (!parallel_hds
[index
]) {
2550 error_report("could not connect parallel device"
2551 " to character backend '%s'", devname
);
2558 static int virtcon_parse(const char *devname
)
2560 QemuOptsList
*device
= qemu_find_opts("device");
2561 static int index
= 0;
2563 QemuOpts
*bus_opts
, *dev_opts
;
2565 if (strcmp(devname
, "none") == 0)
2567 if (index
== MAX_VIRTIO_CONSOLES
) {
2568 error_report("too many virtio consoles");
2572 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2573 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2575 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2576 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2578 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2579 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2580 if (!virtcon_hds
[index
]) {
2581 error_report("could not connect virtio console"
2582 " to character backend '%s'", devname
);
2585 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2591 static int sclp_parse(const char *devname
)
2593 QemuOptsList
*device
= qemu_find_opts("device");
2594 static int index
= 0;
2598 if (strcmp(devname
, "none") == 0) {
2601 if (index
== MAX_SCLP_CONSOLES
) {
2602 error_report("too many sclp consoles");
2606 assert(arch_type
== QEMU_ARCH_S390X
);
2608 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2609 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2611 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2612 sclp_hds
[index
] = qemu_chr_new(label
, devname
);
2613 if (!sclp_hds
[index
]) {
2614 error_report("could not connect sclp console"
2615 " to character backend '%s'", devname
);
2618 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2624 static int debugcon_parse(const char *devname
)
2628 if (!qemu_chr_new("debugcon", devname
)) {
2631 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2633 error_report("already have a debugcon device");
2636 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2637 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2641 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2643 const MachineClass
*mc1
= a
, *mc2
= b
;
2646 if (mc1
->family
== NULL
) {
2647 if (mc2
->family
== NULL
) {
2648 /* Compare standalone machine types against each other; they sort
2649 * in increasing order.
2651 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2652 object_class_get_name(OBJECT_CLASS(mc2
)));
2655 /* Standalone machine types sort after families. */
2659 if (mc2
->family
== NULL
) {
2660 /* Families sort before standalone machine types. */
2664 /* Families sort between each other alphabetically increasingly. */
2665 res
= strcmp(mc1
->family
, mc2
->family
);
2670 /* Within the same family, machine types sort in decreasing order. */
2671 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2672 object_class_get_name(OBJECT_CLASS(mc1
)));
2675 static MachineClass
*machine_parse(const char *name
)
2677 MachineClass
*mc
= NULL
;
2678 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2681 mc
= find_machine(name
);
2684 g_slist_free(machines
);
2687 if (name
&& !is_help_option(name
)) {
2688 error_report("unsupported machine type");
2689 error_printf("Use -machine help to list supported machines\n");
2691 printf("Supported machines are:\n");
2692 machines
= g_slist_sort(machines
, machine_class_cmp
);
2693 for (el
= machines
; el
; el
= el
->next
) {
2694 MachineClass
*mc
= el
->data
;
2696 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2698 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2699 mc
->is_default
? " (default)" : "");
2703 g_slist_free(machines
);
2704 exit(!name
|| !is_help_option(name
));
2707 void qemu_add_exit_notifier(Notifier
*notify
)
2709 notifier_list_add(&exit_notifiers
, notify
);
2712 void qemu_remove_exit_notifier(Notifier
*notify
)
2714 notifier_remove(notify
);
2717 static void qemu_run_exit_notifiers(void)
2719 notifier_list_notify(&exit_notifiers
, NULL
);
2722 static bool machine_init_done
;
2724 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2726 notifier_list_add(&machine_init_done_notifiers
, notify
);
2727 if (machine_init_done
) {
2728 notify
->notify(notify
, NULL
);
2732 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2734 notifier_remove(notify
);
2737 static void qemu_run_machine_init_done_notifiers(void)
2739 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2740 machine_init_done
= true;
2743 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2744 const char **poptarg
, int *poptind
)
2746 const QEMUOption
*popt
;
2747 int optind
= *poptind
;
2748 char *r
= argv
[optind
];
2751 loc_set_cmdline(argv
, optind
, 1);
2753 /* Treat --foo the same as -foo. */
2756 popt
= qemu_options
;
2759 error_report("invalid option");
2762 if (!strcmp(popt
->name
, r
+ 1))
2766 if (popt
->flags
& HAS_ARG
) {
2767 if (optind
>= argc
) {
2768 error_report("requires an argument");
2771 optarg
= argv
[optind
++];
2772 loc_set_cmdline(argv
, optind
- 2, 2);
2783 static MachineClass
*select_machine(void)
2785 MachineClass
*machine_class
= find_default_machine();
2790 loc_push_none(&loc
);
2792 opts
= qemu_get_machine_opts();
2793 qemu_opts_loc_restore(opts
);
2795 optarg
= qemu_opt_get(opts
, "type");
2797 machine_class
= machine_parse(optarg
);
2800 if (!machine_class
) {
2801 error_report("No machine specified, and there is no default");
2802 error_printf("Use -machine help to list supported machines\n");
2807 return machine_class
;
2810 static int machine_set_property(void *opaque
,
2811 const char *name
, const char *value
,
2814 Object
*obj
= OBJECT(opaque
);
2815 Error
*local_err
= NULL
;
2818 if (strcmp(name
, "type") == 0) {
2822 qom_name
= g_strdup(name
);
2823 for (p
= qom_name
; *p
; p
++) {
2829 object_property_parse(obj
, value
, qom_name
, &local_err
);
2833 error_report_err(local_err
);
2842 * Initial object creation happens before all other
2843 * QEMU data types are created. The majority of objects
2844 * can be created at this point. The rng-egd object
2845 * cannot be created here, as it depends on the chardev
2848 static bool object_create_initial(const char *type
)
2850 if (g_str_equal(type
, "rng-egd")) {
2855 * return false for concrete netfilters since
2856 * they depend on netdevs already existing
2858 if (g_str_equal(type
, "filter-buffer") ||
2859 g_str_equal(type
, "filter-dump") ||
2860 g_str_equal(type
, "filter-mirror") ||
2861 g_str_equal(type
, "filter-redirector") ||
2862 g_str_equal(type
, "colo-compare") ||
2863 g_str_equal(type
, "filter-rewriter")) {
2867 /* Memory allocation by backends needs to be done
2868 * after configure_accelerator() (due to the tcg_enabled()
2869 * checks at memory_region_init_*()).
2871 * Also, allocation of large amounts of memory may delay
2872 * chardev initialization for too long, and trigger timeouts
2873 * on software that waits for a monitor socket to be created
2876 if (g_str_has_prefix(type
, "memory-backend-")) {
2885 * The remainder of object creation happens after the
2886 * creation of chardev, fsdev, net clients and device data types.
2888 static bool object_create_delayed(const char *type
)
2890 return !object_create_initial(type
);
2894 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2898 const char *mem_str
;
2899 const char *maxmem_str
, *slots_str
;
2900 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2901 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2904 loc_push_none(&loc
);
2905 qemu_opts_loc_restore(opts
);
2908 mem_str
= qemu_opt_get(opts
, "size");
2911 error_report("missing 'size' option value");
2915 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2917 /* Fix up legacy suffix-less format */
2918 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2919 uint64_t overflow_check
= sz
;
2922 if ((sz
>> 20) != overflow_check
) {
2923 error_report("too large 'size' option value");
2929 /* backward compatibility behaviour for case "-m 0" */
2931 sz
= default_ram_size
;
2934 sz
= QEMU_ALIGN_UP(sz
, 8192);
2936 if (ram_size
!= sz
) {
2937 error_report("ram size too large");
2941 /* store value for the future use */
2942 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2943 *maxram_size
= ram_size
;
2945 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2946 slots_str
= qemu_opt_get(opts
, "slots");
2947 if (maxmem_str
&& slots_str
) {
2950 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2951 slots
= qemu_opt_get_number(opts
, "slots", 0);
2952 if (sz
< ram_size
) {
2953 error_report("invalid value of -m option maxmem: "
2954 "maximum memory size (0x%" PRIx64
") must be at least "
2955 "the initial memory size (0x" RAM_ADDR_FMT
")",
2958 } else if (sz
> ram_size
) {
2960 error_report("invalid value of -m option: maxmem was "
2961 "specified, but no hotplug slots were specified");
2965 error_report("invalid value of -m option maxmem: "
2966 "memory slots were specified but maximum memory size "
2967 "(0x%" PRIx64
") is equal to the initial memory size "
2968 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2974 } else if ((!maxmem_str
&& slots_str
) ||
2975 (maxmem_str
&& !slots_str
)) {
2976 error_report("invalid -m option value: missing "
2977 "'%s' option", slots_str
? "maxmem" : "slots");
2984 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2988 g
= g_malloc0(sizeof(*g
));
2989 g
->driver
= qemu_opt_get(opts
, "driver");
2990 g
->property
= qemu_opt_get(opts
, "property");
2991 g
->value
= qemu_opt_get(opts
, "value");
2992 g
->user_provided
= true;
2993 g
->errp
= &error_fatal
;
2994 qdev_prop_register_global(g
);
2998 int main(int argc
, char **argv
, char **envp
)
3001 int snapshot
, linux_boot
;
3002 const char *initrd_filename
;
3003 const char *kernel_filename
, *kernel_cmdline
;
3004 const char *boot_order
= NULL
;
3005 const char *boot_once
= NULL
;
3007 int cyls
, heads
, secs
, translation
;
3008 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
3009 QemuOptsList
*olist
;
3012 const char *loadvm
= NULL
;
3013 MachineClass
*machine_class
;
3014 const char *cpu_model
;
3015 const char *vga_model
= NULL
;
3016 const char *qtest_chrdev
= NULL
;
3017 const char *qtest_log
= NULL
;
3018 const char *pid_file
= NULL
;
3019 const char *incoming
= NULL
;
3020 bool defconfig
= true;
3021 bool userconfig
= true;
3022 bool nographic
= false;
3023 DisplayType display_type
= DT_DEFAULT
;
3024 int display_remote
= 0;
3025 const char *log_mask
= NULL
;
3026 const char *log_file
= NULL
;
3027 char *trace_file
= NULL
;
3028 ram_addr_t maxram_size
;
3029 uint64_t ram_slots
= 0;
3030 FILE *vmstate_dump_file
= NULL
;
3031 Error
*main_loop_err
= NULL
;
3033 bool list_data_dirs
= false;
3035 module_call_init(MODULE_INIT_TRACE
);
3037 qemu_init_cpu_list();
3038 qemu_init_cpu_loop();
3039 qemu_mutex_lock_iothread();
3041 atexit(qemu_run_exit_notifiers
);
3042 error_set_progname(argv
[0]);
3043 qemu_init_exec_dir(argv
[0]);
3045 module_call_init(MODULE_INIT_QOM
);
3046 module_call_init(MODULE_INIT_QAPI
);
3048 qemu_add_opts(&qemu_drive_opts
);
3049 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3050 qemu_add_drive_opts(&qemu_common_drive_opts
);
3051 qemu_add_drive_opts(&qemu_drive_opts
);
3052 qemu_add_drive_opts(&bdrv_runtime_opts
);
3053 qemu_add_opts(&qemu_chardev_opts
);
3054 qemu_add_opts(&qemu_device_opts
);
3055 qemu_add_opts(&qemu_netdev_opts
);
3056 qemu_add_opts(&qemu_net_opts
);
3057 qemu_add_opts(&qemu_rtc_opts
);
3058 qemu_add_opts(&qemu_global_opts
);
3059 qemu_add_opts(&qemu_mon_opts
);
3060 qemu_add_opts(&qemu_trace_opts
);
3061 qemu_add_opts(&qemu_option_rom_opts
);
3062 qemu_add_opts(&qemu_machine_opts
);
3063 qemu_add_opts(&qemu_mem_opts
);
3064 qemu_add_opts(&qemu_smp_opts
);
3065 qemu_add_opts(&qemu_boot_opts
);
3066 qemu_add_opts(&qemu_sandbox_opts
);
3067 qemu_add_opts(&qemu_add_fd_opts
);
3068 qemu_add_opts(&qemu_object_opts
);
3069 qemu_add_opts(&qemu_tpmdev_opts
);
3070 qemu_add_opts(&qemu_realtime_opts
);
3071 qemu_add_opts(&qemu_msg_opts
);
3072 qemu_add_opts(&qemu_name_opts
);
3073 qemu_add_opts(&qemu_numa_opts
);
3074 qemu_add_opts(&qemu_icount_opts
);
3075 qemu_add_opts(&qemu_semihosting_config_opts
);
3076 qemu_add_opts(&qemu_fw_cfg_opts
);
3077 #ifdef CONFIG_LIBISCSI
3078 qemu_add_opts(&qemu_iscsi_opts
);
3080 module_call_init(MODULE_INIT_OPTS
);
3084 if (qcrypto_init(&err
) < 0) {
3085 error_reportf_err(err
, "cannot initialize crypto: ");
3088 rtc_clock
= QEMU_CLOCK_HOST
;
3090 QLIST_INIT (&vm_change_state_head
);
3091 os_setup_early_signal_handling();
3095 cyls
= heads
= secs
= 0;
3096 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3100 bdrv_init_with_whitelist();
3104 /* first pass of option parsing */
3106 while (optind
< argc
) {
3107 if (argv
[optind
][0] != '-') {
3111 const QEMUOption
*popt
;
3113 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3114 switch (popt
->index
) {
3115 case QEMU_OPTION_nodefconfig
:
3118 case QEMU_OPTION_nouserconfig
:
3127 ret
= qemu_read_default_config_files(userconfig
);
3133 /* second pass of option parsing */
3138 if (argv
[optind
][0] != '-') {
3139 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3141 const QEMUOption
*popt
;
3143 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3144 if (!(popt
->arch_mask
& arch_type
)) {
3145 error_report("Option not supported for this target");
3148 switch(popt
->index
) {
3149 case QEMU_OPTION_no_kvm_irqchip
: {
3150 olist
= qemu_find_opts("machine");
3151 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3154 case QEMU_OPTION_cpu
:
3155 /* hw initialization will check this */
3158 case QEMU_OPTION_hda
:
3162 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3164 snprintf(buf
, sizeof(buf
),
3165 "%s,cyls=%d,heads=%d,secs=%d%s",
3166 HD_OPTS
, cyls
, heads
, secs
,
3167 translation
== BIOS_ATA_TRANSLATION_LBA
?
3169 translation
== BIOS_ATA_TRANSLATION_NONE
?
3170 ",trans=none" : "");
3171 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3174 case QEMU_OPTION_hdb
:
3175 case QEMU_OPTION_hdc
:
3176 case QEMU_OPTION_hdd
:
3177 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3180 case QEMU_OPTION_drive
:
3181 if (drive_def(optarg
) == NULL
) {
3185 case QEMU_OPTION_set
:
3186 if (qemu_set_option(optarg
) != 0)
3189 case QEMU_OPTION_global
:
3190 if (qemu_global_option(optarg
) != 0)
3193 case QEMU_OPTION_mtdblock
:
3194 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3196 case QEMU_OPTION_sd
:
3197 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3199 case QEMU_OPTION_pflash
:
3200 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3202 case QEMU_OPTION_snapshot
:
3205 case QEMU_OPTION_hdachs
:
3209 cyls
= strtol(p
, (char **)&p
, 0);
3210 if (cyls
< 1 || cyls
> 16383)
3215 heads
= strtol(p
, (char **)&p
, 0);
3216 if (heads
< 1 || heads
> 16)
3221 secs
= strtol(p
, (char **)&p
, 0);
3222 if (secs
< 1 || secs
> 63)
3226 if (!strcmp(p
, "large")) {
3227 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3228 } else if (!strcmp(p
, "rechs")) {
3229 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3230 } else if (!strcmp(p
, "none")) {
3231 translation
= BIOS_ATA_TRANSLATION_NONE
;
3232 } else if (!strcmp(p
, "lba")) {
3233 translation
= BIOS_ATA_TRANSLATION_LBA
;
3234 } else if (!strcmp(p
, "auto")) {
3235 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3239 } else if (*p
!= '\0') {
3241 error_report("invalid physical CHS format");
3244 if (hda_opts
!= NULL
) {
3245 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3247 qemu_opt_set_number(hda_opts
, "heads", heads
,
3249 qemu_opt_set_number(hda_opts
, "secs", secs
,
3251 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3252 qemu_opt_set(hda_opts
, "trans", "large",
3254 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3255 qemu_opt_set(hda_opts
, "trans", "rechs",
3257 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3258 qemu_opt_set(hda_opts
, "trans", "lba",
3260 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3261 qemu_opt_set(hda_opts
, "trans", "none",
3267 case QEMU_OPTION_numa
:
3268 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3274 case QEMU_OPTION_display
:
3275 display_type
= select_display(optarg
);
3277 case QEMU_OPTION_nographic
:
3278 olist
= qemu_find_opts("machine");
3279 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3281 display_type
= DT_NONE
;
3283 case QEMU_OPTION_curses
:
3284 #ifdef CONFIG_CURSES
3285 display_type
= DT_CURSES
;
3287 error_report("curses support is disabled");
3291 case QEMU_OPTION_portrait
:
3292 graphic_rotate
= 90;
3294 case QEMU_OPTION_rotate
:
3295 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3296 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3297 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3298 error_report("only 90, 180, 270 deg rotation is available");
3302 case QEMU_OPTION_kernel
:
3303 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3306 case QEMU_OPTION_initrd
:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3310 case QEMU_OPTION_append
:
3311 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3314 case QEMU_OPTION_dtb
:
3315 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3318 case QEMU_OPTION_cdrom
:
3319 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3321 case QEMU_OPTION_boot
:
3322 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3328 case QEMU_OPTION_fda
:
3329 case QEMU_OPTION_fdb
:
3330 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3333 case QEMU_OPTION_no_fd_bootchk
:
3336 case QEMU_OPTION_netdev
:
3338 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3342 case QEMU_OPTION_net
:
3344 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3348 #ifdef CONFIG_LIBISCSI
3349 case QEMU_OPTION_iscsi
:
3350 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3358 case QEMU_OPTION_tftp
:
3359 error_report("The -tftp option is deprecated. "
3360 "Please use '-netdev user,tftp=...' instead.");
3361 legacy_tftp_prefix
= optarg
;
3363 case QEMU_OPTION_bootp
:
3364 error_report("The -bootp option is deprecated. "
3365 "Please use '-netdev user,bootfile=...' instead.");
3366 legacy_bootp_filename
= optarg
;
3368 case QEMU_OPTION_redir
:
3369 error_report("The -redir option is deprecated. "
3370 "Please use '-netdev user,hostfwd=...' instead.");
3371 if (net_slirp_redir(optarg
) < 0)
3375 case QEMU_OPTION_bt
:
3376 add_device_config(DEV_BT
, optarg
);
3378 case QEMU_OPTION_audio_help
:
3382 case QEMU_OPTION_soundhw
:
3383 select_soundhw (optarg
);
3388 case QEMU_OPTION_version
:
3393 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3400 case QEMU_OPTION_tpmdev
:
3401 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3406 case QEMU_OPTION_mempath
:
3409 case QEMU_OPTION_mem_prealloc
:
3418 case QEMU_OPTION_DFILTER
:
3419 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3422 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3424 case QEMU_OPTION_gdb
:
3425 add_device_config(DEV_GDB
, optarg
);
3428 if (is_help_option(optarg
)) {
3429 list_data_dirs
= true;
3430 } else if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3431 data_dir
[data_dir_idx
++] = optarg
;
3434 case QEMU_OPTION_bios
:
3435 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3438 case QEMU_OPTION_singlestep
:
3445 keyboard_layout
= optarg
;
3447 case QEMU_OPTION_localtime
:
3450 case QEMU_OPTION_vga
:
3459 w
= strtol(p
, (char **)&p
, 10);
3462 error_report("invalid resolution or depth");
3468 h
= strtol(p
, (char **)&p
, 10);
3473 depth
= strtol(p
, (char **)&p
, 10);
3474 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3475 depth
!= 24 && depth
!= 32)
3477 } else if (*p
== '\0') {
3478 depth
= graphic_depth
;
3485 graphic_depth
= depth
;
3488 case QEMU_OPTION_echr
:
3491 term_escape_char
= strtol(optarg
, &r
, 0);
3493 printf("Bad argument to echr\n");
3496 case QEMU_OPTION_monitor
:
3497 default_monitor
= 0;
3498 if (strncmp(optarg
, "none", 4)) {
3499 monitor_parse(optarg
, "readline", false);
3502 case QEMU_OPTION_qmp
:
3503 monitor_parse(optarg
, "control", false);
3504 default_monitor
= 0;
3506 case QEMU_OPTION_qmp_pretty
:
3507 monitor_parse(optarg
, "control", true);
3508 default_monitor
= 0;
3510 case QEMU_OPTION_mon
:
3511 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3516 default_monitor
= 0;
3518 case QEMU_OPTION_chardev
:
3519 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3525 case QEMU_OPTION_fsdev
:
3526 olist
= qemu_find_opts("fsdev");
3528 error_report("fsdev support is disabled");
3531 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3536 case QEMU_OPTION_virtfs
: {
3539 const char *writeout
, *sock_fd
, *socket
;
3541 olist
= qemu_find_opts("virtfs");
3543 error_report("virtfs support is disabled");
3546 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3551 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3552 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3553 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3556 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3557 qemu_opt_get(opts
, "mount_tag"),
3560 error_report("duplicate fsdev id: %s",
3561 qemu_opt_get(opts
, "mount_tag"));
3565 writeout
= qemu_opt_get(opts
, "writeout");
3567 #ifdef CONFIG_SYNC_FILE_RANGE
3568 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3570 error_report("writeout=immediate not supported "
3571 "on this platform");
3575 qemu_opt_set(fsdev
, "fsdriver",
3576 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3577 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3579 qemu_opt_set(fsdev
, "security_model",
3580 qemu_opt_get(opts
, "security_model"),
3582 socket
= qemu_opt_get(opts
, "socket");
3584 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3586 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3588 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3591 qemu_opt_set_bool(fsdev
, "readonly",
3592 qemu_opt_get_bool(opts
, "readonly", 0),
3594 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3596 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3597 qemu_opt_set(device
, "fsdev",
3598 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3599 qemu_opt_set(device
, "mount_tag",
3600 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3603 case QEMU_OPTION_virtfs_synth
: {
3607 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3610 error_report("duplicate option: %s", "virtfs_synth");
3613 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3615 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3617 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3618 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3619 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3622 case QEMU_OPTION_serial
:
3623 add_device_config(DEV_SERIAL
, optarg
);
3625 if (strncmp(optarg
, "mon:", 4) == 0) {
3626 default_monitor
= 0;
3629 case QEMU_OPTION_watchdog
:
3631 error_report("only one watchdog option may be given");
3636 case QEMU_OPTION_watchdog_action
:
3637 if (select_watchdog_action(optarg
) == -1) {
3638 error_report("unknown -watchdog-action parameter");
3642 case QEMU_OPTION_virtiocon
:
3643 add_device_config(DEV_VIRTCON
, optarg
);
3644 default_virtcon
= 0;
3645 if (strncmp(optarg
, "mon:", 4) == 0) {
3646 default_monitor
= 0;
3649 case QEMU_OPTION_parallel
:
3650 add_device_config(DEV_PARALLEL
, optarg
);
3651 default_parallel
= 0;
3652 if (strncmp(optarg
, "mon:", 4) == 0) {
3653 default_monitor
= 0;
3656 case QEMU_OPTION_debugcon
:
3657 add_device_config(DEV_DEBUGCON
, optarg
);
3659 case QEMU_OPTION_loadvm
:
3662 case QEMU_OPTION_full_screen
:
3665 case QEMU_OPTION_no_frame
:
3668 case QEMU_OPTION_alt_grab
:
3671 case QEMU_OPTION_ctrl_grab
:
3674 case QEMU_OPTION_no_quit
:
3677 case QEMU_OPTION_sdl
:
3679 display_type
= DT_SDL
;
3682 error_report("SDL support is disabled");
3685 case QEMU_OPTION_pidfile
:
3688 case QEMU_OPTION_win2k_hack
:
3689 win2k_install_hack
= 1;
3691 case QEMU_OPTION_rtc_td_hack
: {
3692 static GlobalProperty slew_lost_ticks
= {
3693 .driver
= "mc146818rtc",
3694 .property
= "lost_tick_policy",
3698 qdev_prop_register_global(&slew_lost_ticks
);
3701 case QEMU_OPTION_acpitable
:
3702 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3707 do_acpitable_option(opts
);
3709 case QEMU_OPTION_smbios
:
3710 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3715 do_smbios_option(opts
);
3717 case QEMU_OPTION_fwcfg
:
3718 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3724 case QEMU_OPTION_enable_kvm
:
3725 olist
= qemu_find_opts("machine");
3726 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3729 case QEMU_OPTION_machine
:
3730 olist
= qemu_find_opts("machine");
3731 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3736 case QEMU_OPTION_no_kvm
:
3737 olist
= qemu_find_opts("machine");
3738 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3740 case QEMU_OPTION_no_kvm_pit
: {
3741 error_report("warning: ignoring deprecated option");
3744 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3745 static GlobalProperty kvm_pit_lost_tick_policy
= {
3746 .driver
= "kvm-pit",
3747 .property
= "lost_tick_policy",
3751 error_report("warning: deprecated, replaced by "
3752 "-global kvm-pit.lost_tick_policy=discard");
3753 qdev_prop_register_global(&kvm_pit_lost_tick_policy
);
3756 case QEMU_OPTION_usb
:
3757 olist
= qemu_find_opts("machine");
3758 qemu_opts_parse_noisily(olist
, "usb=on", false);
3760 case QEMU_OPTION_usbdevice
:
3761 olist
= qemu_find_opts("machine");
3762 qemu_opts_parse_noisily(olist
, "usb=on", false);
3763 add_device_config(DEV_USB
, optarg
);
3765 case QEMU_OPTION_device
:
3766 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3771 case QEMU_OPTION_smp
:
3772 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3777 case QEMU_OPTION_vnc
:
3778 vnc_parse(optarg
, &error_fatal
);
3780 case QEMU_OPTION_no_acpi
:
3783 case QEMU_OPTION_no_hpet
:
3786 case QEMU_OPTION_balloon
:
3787 if (balloon_parse(optarg
) < 0) {
3788 error_report("unknown -balloon argument %s", optarg
);
3792 case QEMU_OPTION_no_reboot
:
3795 case QEMU_OPTION_no_shutdown
:
3798 case QEMU_OPTION_show_cursor
:
3801 case QEMU_OPTION_uuid
:
3802 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3803 error_report("failed to parse UUID string: wrong format");
3806 qemu_uuid_set
= true;
3808 case QEMU_OPTION_option_rom
:
3809 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3810 error_report("too many option ROMs");
3813 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3818 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3819 option_rom
[nb_option_roms
].bootindex
=
3820 qemu_opt_get_number(opts
, "bootindex", -1);
3821 if (!option_rom
[nb_option_roms
].name
) {
3822 error_report("Option ROM file is not specified");
3827 case QEMU_OPTION_semihosting
:
3828 semihosting
.enabled
= true;
3829 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3831 case QEMU_OPTION_semihosting_config
:
3832 semihosting
.enabled
= true;
3833 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3836 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3838 const char *target
= qemu_opt_get(opts
, "target");
3839 if (target
!= NULL
) {
3840 if (strcmp("native", target
) == 0) {
3841 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3842 } else if (strcmp("gdb", target
) == 0) {
3843 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3844 } else if (strcmp("auto", target
) == 0) {
3845 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3847 error_report("unsupported semihosting-config %s",
3852 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3854 /* Set semihosting argument count and vector */
3855 qemu_opt_foreach(opts
, add_semihosting_arg
,
3856 &semihosting
, NULL
);
3858 error_report("unsupported semihosting-config %s", optarg
);
3862 case QEMU_OPTION_tdf
:
3863 error_report("warning: ignoring deprecated option");
3865 case QEMU_OPTION_name
:
3866 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3872 case QEMU_OPTION_prom_env
:
3873 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3874 error_report("too many prom variables");
3877 prom_envs
[nb_prom_envs
] = optarg
;
3880 case QEMU_OPTION_old_param
:
3883 case QEMU_OPTION_clock
:
3884 /* Clock options no longer exist. Keep this option for
3885 * backward compatibility.
3888 case QEMU_OPTION_startdate
:
3889 configure_rtc_date_offset(optarg
, 1);
3891 case QEMU_OPTION_rtc
:
3892 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3897 configure_rtc(opts
);
3899 case QEMU_OPTION_tb_size
:
3900 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3901 if (tcg_tb_size
< 0) {
3905 case QEMU_OPTION_icount
:
3906 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3912 case QEMU_OPTION_incoming
:
3914 runstate_set(RUN_STATE_INMIGRATE
);
3918 case QEMU_OPTION_nodefaults
:
3921 case QEMU_OPTION_xen_domid
:
3922 if (!(xen_available())) {
3923 error_report("Option not supported for this target");
3926 xen_domid
= atoi(optarg
);
3928 case QEMU_OPTION_xen_create
:
3929 if (!(xen_available())) {
3930 error_report("Option not supported for this target");
3933 xen_mode
= XEN_CREATE
;
3935 case QEMU_OPTION_xen_attach
:
3936 if (!(xen_available())) {
3937 error_report("Option not supported for this target");
3940 xen_mode
= XEN_ATTACH
;
3942 case QEMU_OPTION_trace
:
3944 trace_file
= trace_opt_parse(optarg
);
3946 case QEMU_OPTION_readconfig
:
3948 int ret
= qemu_read_config_file(optarg
);
3950 error_report("read config %s: %s", optarg
,
3956 case QEMU_OPTION_spice
:
3957 olist
= qemu_find_opts("spice");
3959 error_report("spice support is disabled");
3962 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3968 case QEMU_OPTION_writeconfig
:
3971 if (strcmp(optarg
, "-") == 0) {
3974 fp
= fopen(optarg
, "w");
3976 error_report("open %s: %s", optarg
,
3981 qemu_config_write(fp
);
3987 case QEMU_OPTION_qtest
:
3988 qtest_chrdev
= optarg
;
3990 case QEMU_OPTION_qtest_log
:
3993 case QEMU_OPTION_sandbox
:
3994 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4000 case QEMU_OPTION_add_fd
:
4002 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4008 error_report("File descriptor passing is disabled on this "
4013 case QEMU_OPTION_object
:
4014 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
4020 case QEMU_OPTION_realtime
:
4021 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4026 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
4028 case QEMU_OPTION_msg
:
4029 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
4034 configure_msg(opts
);
4036 case QEMU_OPTION_dump_vmstate
:
4037 if (vmstate_dump_file
) {
4038 error_report("only one '-dump-vmstate' "
4039 "option may be given");
4042 vmstate_dump_file
= fopen(optarg
, "w");
4043 if (vmstate_dump_file
== NULL
) {
4044 error_report("open %s: %s", optarg
, strerror(errno
));
4049 os_parse_cmd_args(popt
->index
, optarg
);
4054 * Clear error location left behind by the loop.
4055 * Best done right after the loop. Do not insert code here!
4059 replay_configure(icount_opts
);
4061 machine_class
= select_machine();
4063 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4067 if (qemu_init_main_loop(&main_loop_err
)) {
4068 error_report_err(main_loop_err
);
4072 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4073 parse_sandbox
, NULL
, NULL
)) {
4077 if (qemu_opts_foreach(qemu_find_opts("name"),
4078 parse_name
, NULL
, NULL
)) {
4083 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4084 parse_add_fd
, NULL
, NULL
)) {
4088 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4089 cleanup_add_fd
, NULL
, NULL
)) {
4094 current_machine
= MACHINE(object_new(object_class_get_name(
4095 OBJECT_CLASS(machine_class
))));
4096 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4099 object_property_add_child(object_get_root(), "machine",
4100 OBJECT(current_machine
), &error_abort
);
4102 if (machine_class
->minimum_page_bits
) {
4103 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4104 /* This would be a board error: specifying a minimum smaller than
4105 * a target's compile-time fixed setting.
4107 g_assert_not_reached();
4111 cpu_exec_init_all();
4113 if (machine_class
->hw_version
) {
4114 qemu_set_hw_version(machine_class
->hw_version
);
4117 if (cpu_model
&& is_help_option(cpu_model
)) {
4118 list_cpus(stdout
, &fprintf
, cpu_model
);
4122 if (!trace_init_backends()) {
4125 trace_init_file(trace_file
);
4127 /* Open the logfile at this point and set the log mask if necessary.
4130 qemu_set_log_filename(log_file
, &error_fatal
);
4135 mask
= qemu_str_to_log_mask(log_mask
);
4137 qemu_print_log_usage(stdout
);
4145 /* If no data_dir is specified then try to find it relative to the
4147 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4148 data_dir
[data_dir_idx
] = os_find_datadir();
4149 if (data_dir
[data_dir_idx
] != NULL
) {
4153 /* If all else fails use the install path specified when building. */
4154 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4155 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4158 /* -L help lists the data directories and exits. */
4159 if (list_data_dirs
) {
4160 for (i
= 0; i
< data_dir_idx
; i
++) {
4161 printf("%s\n", data_dir
[i
]);
4166 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4168 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4169 if (max_cpus
> machine_class
->max_cpus
) {
4170 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4171 "supported by machine '%s' (%d)", max_cpus
,
4172 machine_class
->name
, machine_class
->max_cpus
);
4177 * Get the default machine options from the machine if it is not already
4178 * specified either by the configuration file or by the command line.
4180 if (machine_class
->default_machine_opts
) {
4181 qemu_opts_set_defaults(qemu_find_opts("machine"),
4182 machine_class
->default_machine_opts
, 0);
4185 qemu_opts_foreach(qemu_find_opts("device"),
4186 default_driver_check
, NULL
, NULL
);
4187 qemu_opts_foreach(qemu_find_opts("global"),
4188 default_driver_check
, NULL
, NULL
);
4190 if (!vga_model
&& !default_vga
) {
4191 vga_interface_type
= VGA_DEVICE
;
4193 if (!has_defaults
|| machine_class
->no_serial
) {
4196 if (!has_defaults
|| machine_class
->no_parallel
) {
4197 default_parallel
= 0;
4199 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4200 default_virtcon
= 0;
4202 if (!has_defaults
|| !machine_class
->use_sclp
) {
4205 if (!has_defaults
|| machine_class
->no_floppy
) {
4208 if (!has_defaults
|| machine_class
->no_cdrom
) {
4211 if (!has_defaults
|| machine_class
->no_sdcard
) {
4214 if (!has_defaults
) {
4215 default_monitor
= 0;
4220 if (is_daemonized()) {
4221 /* According to documentation and historically, -nographic redirects
4222 * serial port, parallel port and monitor to stdio, which does not work
4223 * with -daemonize. We can redirect these to null instead, but since
4224 * -nographic is legacy, let's just error out.
4225 * We disallow -nographic only if all other ports are not redirected
4226 * explicitly, to not break existing legacy setups which uses
4227 * -nographic _and_ redirects all ports explicitly - this is valid
4228 * usage, -nographic is just a no-op in this case.
4231 && (default_parallel
|| default_serial
4232 || default_monitor
|| default_virtcon
)) {
4233 error_report("-nographic cannot be used with -daemonize");
4236 #ifdef CONFIG_CURSES
4237 if (display_type
== DT_CURSES
) {
4238 error_report("curses display cannot be used with -daemonize");
4245 if (default_parallel
)
4246 add_device_config(DEV_PARALLEL
, "null");
4247 if (default_serial
&& default_monitor
) {
4248 add_device_config(DEV_SERIAL
, "mon:stdio");
4249 } else if (default_virtcon
&& default_monitor
) {
4250 add_device_config(DEV_VIRTCON
, "mon:stdio");
4251 } else if (default_sclp
&& default_monitor
) {
4252 add_device_config(DEV_SCLP
, "mon:stdio");
4255 add_device_config(DEV_SERIAL
, "stdio");
4256 if (default_virtcon
)
4257 add_device_config(DEV_VIRTCON
, "stdio");
4259 add_device_config(DEV_SCLP
, "stdio");
4261 if (default_monitor
)
4262 monitor_parse("stdio", "readline", false);
4266 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4267 if (default_parallel
)
4268 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4269 if (default_monitor
)
4270 monitor_parse("vc:80Cx24C", "readline", false);
4271 if (default_virtcon
)
4272 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4274 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4278 #if defined(CONFIG_VNC)
4279 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4283 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4284 #if defined(CONFIG_GTK)
4285 display_type
= DT_GTK
;
4286 #elif defined(CONFIG_SDL)
4287 display_type
= DT_SDL
;
4288 #elif defined(CONFIG_COCOA)
4289 display_type
= DT_COCOA
;
4290 #elif defined(CONFIG_VNC)
4291 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4293 display_type
= DT_NONE
;
4297 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4298 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4299 "for SDL, ignoring option");
4301 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4302 error_report("-no-quit is only valid for GTK and SDL, "
4306 if (display_type
== DT_GTK
) {
4307 early_gtk_display_init(request_opengl
);
4310 if (display_type
== DT_SDL
) {
4311 sdl_display_early_init(request_opengl
);
4314 if (request_opengl
== 1 && display_opengl
== 0) {
4315 #if defined(CONFIG_OPENGL)
4316 error_report("OpenGL is not supported by the display");
4318 error_report("OpenGL support is disabled");
4326 if (qemu_opts_foreach(qemu_find_opts("object"),
4327 user_creatable_add_opts_foreach
,
4328 object_create_initial
, NULL
)) {
4332 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4333 chardev_init_func
, NULL
, NULL
)) {
4337 #ifdef CONFIG_VIRTFS
4338 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4339 fsdev_init_func
, NULL
, NULL
)) {
4344 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4345 error_report("could not acquire pid file: %s", strerror(errno
));
4349 if (qemu_opts_foreach(qemu_find_opts("device"),
4350 device_help_func
, NULL
, NULL
)) {
4354 machine_opts
= qemu_get_machine_opts();
4355 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4357 object_unref(OBJECT(current_machine
));
4361 configure_accelerator(current_machine
);
4364 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4367 machine_opts
= qemu_get_machine_opts();
4368 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4369 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4370 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4371 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4373 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4375 boot_order
= qemu_opt_get(opts
, "order");
4377 validate_bootdevices(boot_order
, &error_fatal
);
4380 boot_once
= qemu_opt_get(opts
, "once");
4382 validate_bootdevices(boot_once
, &error_fatal
);
4385 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4386 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4390 boot_order
= machine_class
->default_boot_order
;
4393 if (!kernel_cmdline
) {
4394 kernel_cmdline
= "";
4395 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4398 linux_boot
= (kernel_filename
!= NULL
);
4400 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4401 error_report("-append only allowed with -kernel option");
4405 if (!linux_boot
&& initrd_filename
!= NULL
) {
4406 error_report("-initrd only allowed with -kernel option");
4410 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4411 /* fall back to the -kernel/-append */
4412 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4415 os_set_line_buffering();
4417 /* spice needs the timers to be initialized by this point */
4422 if (kvm_enabled() || xen_enabled()) {
4423 error_report("-icount is not allowed with kvm or xen");
4426 configure_icount(icount_opts
, &error_abort
);
4427 qemu_opts_del(icount_opts
);
4431 QemuOptsList
*net
= qemu_find_opts("net");
4432 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4434 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4440 if (net_init_clients() < 0) {
4444 if (qemu_opts_foreach(qemu_find_opts("object"),
4445 user_creatable_add_opts_foreach
,
4446 object_create_delayed
, NULL
)) {
4451 if (tpm_init() < 0) {
4456 /* init the bluetooth world */
4457 if (foreach_device_config(DEV_BT
, bt_parse
))
4460 if (!xen_enabled()) {
4461 /* On 32-bit hosts, QEMU is limited by virtual address space */
4462 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4463 error_report("at most 2047 MB RAM can be simulated");
4471 /* If the currently selected machine wishes to override the units-per-bus
4472 * property of its default HBA interface type, do so now. */
4473 if (machine_class
->units_per_default_bus
) {
4474 override_max_devs(machine_class
->block_default_type
,
4475 machine_class
->units_per_default_bus
);
4478 /* open the virtual block devices */
4479 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4480 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4483 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4484 &machine_class
->block_default_type
, NULL
)) {
4488 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4490 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4491 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4493 parse_numa_opts(machine_class
);
4495 if (qemu_opts_foreach(qemu_find_opts("mon"),
4496 mon_init_func
, NULL
, NULL
)) {
4500 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4502 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4504 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4506 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4509 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4512 /* If no default VGA is requested, the default is "none". */
4514 if (machine_class
->default_display
) {
4515 vga_model
= machine_class
->default_display
;
4516 } else if (vga_interface_available(VGA_CIRRUS
)) {
4517 vga_model
= "cirrus";
4518 } else if (vga_interface_available(VGA_STD
)) {
4523 select_vgahw(vga_model
);
4527 i
= select_watchdog(watchdog
);
4529 exit (i
== 1 ? 1 : 0);
4532 machine_register_compat_props(current_machine
);
4534 qemu_opts_foreach(qemu_find_opts("global"),
4535 global_init_func
, NULL
, NULL
);
4537 /* This checkpoint is required by replay to separate prior clock
4538 reading from the other reads, because timer polling functions query
4539 clock values from the log. */
4540 replay_checkpoint(CHECKPOINT_INIT
);
4541 qdev_machine_init();
4543 current_machine
->ram_size
= ram_size
;
4544 current_machine
->maxram_size
= maxram_size
;
4545 current_machine
->ram_slots
= ram_slots
;
4546 current_machine
->boot_order
= boot_order
;
4547 current_machine
->cpu_model
= cpu_model
;
4549 machine_class
->init(current_machine
);
4555 cpu_synchronize_all_post_init();
4557 numa_post_machine_init();
4559 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4560 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4564 /* init USB devices */
4565 if (machine_usb(current_machine
)) {
4566 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4570 /* Check if IGD GFX passthrough. */
4573 /* init generic devices */
4574 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4575 if (qemu_opts_foreach(qemu_find_opts("device"),
4576 device_init_func
, NULL
, NULL
)) {
4579 rom_reset_order_override();
4581 /* Did we create any drives that we failed to create a device for? */
4582 drive_check_orphaned();
4584 /* Don't warn about the default network setup that you get if
4585 * no command line -net or -netdev options are specified. There
4586 * are two cases that we would otherwise complain about:
4587 * (1) board doesn't support a NIC but the implicit "-net nic"
4589 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4590 * sets up a nic that isn't connected to anything.
4593 net_check_clients();
4598 qemu_boot_set(boot_once
, &error_fatal
);
4599 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4602 ds
= init_displaystate();
4604 /* init local displays */
4605 switch (display_type
) {
4607 curses_display_init(ds
, full_screen
);
4610 sdl_display_init(ds
, full_screen
, no_frame
);
4613 cocoa_display_init(ds
, full_screen
);
4616 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4622 /* must be after terminal init, SDL library changes signal handlers */
4623 os_setup_signal_handling();
4625 /* init remote displays */
4627 qemu_opts_foreach(qemu_find_opts("vnc"),
4628 vnc_init_func
, NULL
, NULL
);
4632 qemu_spice_display_init();
4635 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4639 qdev_machine_creation_done();
4641 /* TODO: once all bus devices are qdevified, this should be done
4642 * when bus is created by qdev.c */
4643 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4644 qemu_run_machine_init_done_notifiers();
4646 if (rom_check_and_register_reset() != 0) {
4647 error_report("rom check and register reset failed");
4653 /* This checkpoint is required by replay to separate prior clock
4654 reading from the other reads, because timer polling functions query
4655 clock values from the log. */
4656 replay_checkpoint(CHECKPOINT_RESET
);
4657 qemu_system_reset(VMRESET_SILENT
);
4658 register_global_state();
4660 if (load_vmstate(loadvm
) < 0) {
4665 qdev_prop_check_globals();
4666 if (vmstate_dump_file
) {
4668 dump_vmstate_json_to_file(vmstate_dump_file
);
4673 Error
*local_err
= NULL
;
4674 qemu_start_incoming_migration(incoming
, &local_err
);
4676 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4679 } else if (autostart
) {
4686 replay_disable_events();
4687 iothread_stop_all();
4693 /* vhost-user must be cleaned up before chardevs. */