4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
37 int qemu_main(int argc
, char **argv
, char **envp
);
38 int main(int argc
, char **argv
)
40 return qemu_main(argc
, argv
, NULL
);
43 #define main qemu_main
45 #endif /* CONFIG_SDL */
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
103 #include "fsdev/qemu-fsdev.h"
105 #include "sysemu/qtest.h"
107 #include "disas/disas.h"
109 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "hw/semihosting/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131 #include "qemu/guest-random.h"
133 #define MAX_VIRTIO_CONSOLES 1
135 static const char *data_dir
[16];
136 static int data_dir_idx
;
137 const char *bios_name
= NULL
;
138 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
140 const char* keyboard_layout
= NULL
;
142 const char *mem_path
= NULL
;
143 int mem_prealloc
= 0; /* force preallocation of physical target memory */
144 bool enable_mlock
= false;
145 bool enable_cpu_pm
= false;
147 NICInfo nd_table
[MAX_NICS
];
153 } rtc_base_type
= RTC_BASE_UTC
;
154 static time_t rtc_ref_start_datetime
;
155 static int rtc_realtime_clock_offset
; /* used only with QEMU_CLOCK_REALTIME */
156 static int rtc_host_datetime_offset
= -1; /* valid & used only with
158 QEMUClockType rtc_clock
;
159 int vga_interface_type
= VGA_NONE
;
160 static DisplayOptions dpy
;
161 static int num_serial_hds
;
162 static Chardev
**serial_hds
;
163 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
164 int win2k_install_hack
= 0;
167 unsigned int max_cpus
;
170 int acpi_enabled
= 1;
173 static int no_reboot
;
176 int graphic_rotate
= 0;
177 const char *watchdog
;
178 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
181 const char *qemu_name
;
184 unsigned int nb_prom_envs
= 0;
185 const char *prom_envs
[MAX_PROM_ENVS
];
188 uint8_t *boot_splash_filedata
;
189 int only_migratable
; /* turn it off unless user states otherwise */
190 bool wakeup_suspend_enabled
;
192 int icount_align_option
;
194 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
195 * little-endian "wire format" described in the SMBIOS 2.6 specification.
200 static NotifierList exit_notifiers
=
201 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
203 static NotifierList machine_init_done_notifiers
=
204 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
208 enum xen_mode xen_mode
= XEN_EMULATE
;
209 bool xen_domid_restrict
;
211 static int has_defaults
= 1;
212 static int default_serial
= 1;
213 static int default_parallel
= 1;
214 static int default_monitor
= 1;
215 static int default_floppy
= 1;
216 static int default_cdrom
= 1;
217 static int default_sdcard
= 1;
218 static int default_vga
= 1;
219 static int default_net
= 1;
225 { .driver
= "isa-serial", .flag
= &default_serial
},
226 { .driver
= "isa-parallel", .flag
= &default_parallel
},
227 { .driver
= "isa-fdc", .flag
= &default_floppy
},
228 { .driver
= "floppy", .flag
= &default_floppy
},
229 { .driver
= "ide-cd", .flag
= &default_cdrom
},
230 { .driver
= "ide-hd", .flag
= &default_cdrom
},
231 { .driver
= "ide-drive", .flag
= &default_cdrom
},
232 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
233 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
234 { .driver
= "VGA", .flag
= &default_vga
},
235 { .driver
= "isa-vga", .flag
= &default_vga
},
236 { .driver
= "cirrus-vga", .flag
= &default_vga
},
237 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
238 { .driver
= "vmware-svga", .flag
= &default_vga
},
239 { .driver
= "qxl-vga", .flag
= &default_vga
},
240 { .driver
= "virtio-vga", .flag
= &default_vga
},
241 { .driver
= "ati-vga", .flag
= &default_vga
},
242 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
245 static QemuOptsList qemu_rtc_opts
= {
247 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
252 .type
= QEMU_OPT_STRING
,
255 .type
= QEMU_OPT_STRING
,
258 .type
= QEMU_OPT_STRING
,
260 { /* end of list */ }
264 static QemuOptsList qemu_option_rom_opts
= {
265 .name
= "option-rom",
266 .implied_opt_name
= "romfile",
267 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
271 .type
= QEMU_OPT_NUMBER
,
274 .type
= QEMU_OPT_STRING
,
276 { /* end of list */ }
280 static QemuOptsList qemu_machine_opts
= {
282 .implied_opt_name
= "type",
284 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
287 * no elements => accept any
288 * sanity checking will happen later
289 * when setting machine properties
295 static QemuOptsList qemu_accel_opts
= {
297 .implied_opt_name
= "accel",
298 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
303 .type
= QEMU_OPT_STRING
,
304 .help
= "Select the type of accelerator",
308 .type
= QEMU_OPT_STRING
,
309 .help
= "Enable/disable multi-threaded TCG",
311 { /* end of list */ }
315 static QemuOptsList qemu_boot_opts
= {
317 .implied_opt_name
= "order",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_STRING
,
329 .type
= QEMU_OPT_BOOL
,
332 .type
= QEMU_OPT_STRING
,
334 .name
= "splash-time",
335 .type
= QEMU_OPT_NUMBER
,
337 .name
= "reboot-timeout",
338 .type
= QEMU_OPT_NUMBER
,
341 .type
= QEMU_OPT_BOOL
,
347 static QemuOptsList qemu_add_fd_opts
= {
349 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
353 .type
= QEMU_OPT_NUMBER
,
354 .help
= "file descriptor of which a duplicate is added to fd set",
357 .type
= QEMU_OPT_NUMBER
,
358 .help
= "ID of the fd set to add fd to",
361 .type
= QEMU_OPT_STRING
,
362 .help
= "free-form string used to describe fd",
364 { /* end of list */ }
368 static QemuOptsList qemu_object_opts
= {
370 .implied_opt_name
= "qom-type",
371 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
377 static QemuOptsList qemu_tpmdev_opts
= {
379 .implied_opt_name
= "type",
380 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
387 static QemuOptsList qemu_realtime_opts
= {
389 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
393 .type
= QEMU_OPT_BOOL
,
395 { /* end of list */ }
399 static QemuOptsList qemu_overcommit_opts
= {
400 .name
= "overcommit",
401 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
405 .type
= QEMU_OPT_BOOL
,
409 .type
= QEMU_OPT_BOOL
,
411 { /* end of list */ }
415 static QemuOptsList qemu_msg_opts
= {
417 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
421 .type
= QEMU_OPT_BOOL
,
423 { /* end of list */ }
427 static QemuOptsList qemu_name_opts
= {
429 .implied_opt_name
= "guest",
431 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
435 .type
= QEMU_OPT_STRING
,
436 .help
= "Sets the name of the guest.\n"
437 "This name will be displayed in the SDL window caption.\n"
438 "The name will also be used for the VNC server",
441 .type
= QEMU_OPT_STRING
,
442 .help
= "Sets the name of the QEMU process, as shown in top etc",
444 .name
= "debug-threads",
445 .type
= QEMU_OPT_BOOL
,
446 .help
= "When enabled, name the individual threads; defaults off.\n"
447 "NOTE: The thread names are for debugging and not a\n"
450 { /* End of list */ }
454 static QemuOptsList qemu_mem_opts
= {
456 .implied_opt_name
= "size",
457 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
462 .type
= QEMU_OPT_SIZE
,
466 .type
= QEMU_OPT_NUMBER
,
470 .type
= QEMU_OPT_SIZE
,
472 { /* end of list */ }
476 static QemuOptsList qemu_icount_opts
= {
478 .implied_opt_name
= "shift",
480 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
484 .type
= QEMU_OPT_STRING
,
487 .type
= QEMU_OPT_BOOL
,
490 .type
= QEMU_OPT_BOOL
,
493 .type
= QEMU_OPT_STRING
,
496 .type
= QEMU_OPT_STRING
,
498 .name
= "rrsnapshot",
499 .type
= QEMU_OPT_STRING
,
501 { /* end of list */ }
505 static QemuOptsList qemu_fw_cfg_opts
= {
507 .implied_opt_name
= "name",
508 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
512 .type
= QEMU_OPT_STRING
,
513 .help
= "Sets the fw_cfg name of the blob to be inserted",
516 .type
= QEMU_OPT_STRING
,
517 .help
= "Sets the name of the file from which "
518 "the fw_cfg blob will be loaded",
521 .type
= QEMU_OPT_STRING
,
522 .help
= "Sets content of the blob to be inserted from a string",
524 { /* end of list */ }
529 * Get machine options
531 * Returns: machine options (never null).
533 QemuOpts
*qemu_get_machine_opts(void)
535 return qemu_find_opts_singleton("machine");
538 const char *qemu_get_vm_name(void)
543 static void res_free(void)
545 g_free(boot_splash_filedata
);
546 boot_splash_filedata
= NULL
;
549 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
551 const char *driver
= qemu_opt_get(opts
, "driver");
556 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
557 if (strcmp(default_list
[i
].driver
, driver
) != 0)
559 *(default_list
[i
].flag
) = 0;
564 /***********************************************************/
567 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested
= RUN_STATE__MAX
;
571 static QemuMutex vmstop_lock
;
576 } RunStateTransition
;
578 static const RunStateTransition runstate_transitions_def
[] = {
580 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
581 /* Early switch to inmigrate state to allow -incoming CLI option work
582 * as it used to. TODO: delay actual switching to inmigrate state to
583 * the point after machine is built and remove this hack.
585 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
587 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
588 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
599 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
600 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
601 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
602 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
604 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
605 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
608 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
609 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
612 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
613 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
615 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
616 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
618 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
619 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
622 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
623 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
624 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
626 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
627 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
628 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
629 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
630 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
632 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
633 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
635 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
637 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
638 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
639 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
640 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
641 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
642 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
643 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
644 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
645 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
646 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
647 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
649 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
651 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
652 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
653 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
655 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
656 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
657 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
658 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
659 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
660 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
662 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
663 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
664 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
665 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
667 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
668 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
669 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
671 { RUN_STATE__MAX
, RUN_STATE__MAX
},
674 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
676 bool runstate_check(RunState state
)
678 return current_run_state
== state
;
681 bool runstate_store(char *str
, size_t size
)
683 const char *state
= RunState_str(current_run_state
);
684 size_t len
= strlen(state
) + 1;
689 memcpy(str
, state
, len
);
693 static void runstate_init(void)
695 const RunStateTransition
*p
;
697 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
698 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
699 runstate_valid_transitions
[p
->from
][p
->to
] = true;
702 qemu_mutex_init(&vmstop_lock
);
705 /* This function will abort() on invalid state transitions */
706 void runstate_set(RunState new_state
)
708 assert(new_state
< RUN_STATE__MAX
);
710 trace_runstate_set(current_run_state
, RunState_str(current_run_state
),
711 new_state
, RunState_str(new_state
));
713 if (current_run_state
== new_state
) {
717 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
718 error_report("invalid runstate transition: '%s' -> '%s'",
719 RunState_str(current_run_state
),
720 RunState_str(new_state
));
724 current_run_state
= new_state
;
727 int runstate_is_running(void)
729 return runstate_check(RUN_STATE_RUNNING
);
732 bool runstate_needs_reset(void)
734 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
735 runstate_check(RUN_STATE_SHUTDOWN
);
738 StatusInfo
*qmp_query_status(Error
**errp
)
740 StatusInfo
*info
= g_malloc0(sizeof(*info
));
742 info
->running
= runstate_is_running();
743 info
->singlestep
= singlestep
;
744 info
->status
= current_run_state
;
749 bool qemu_vmstop_requested(RunState
*r
)
751 qemu_mutex_lock(&vmstop_lock
);
752 *r
= vmstop_requested
;
753 vmstop_requested
= RUN_STATE__MAX
;
754 qemu_mutex_unlock(&vmstop_lock
);
755 return *r
< RUN_STATE__MAX
;
758 void qemu_system_vmstop_request_prepare(void)
760 qemu_mutex_lock(&vmstop_lock
);
763 void qemu_system_vmstop_request(RunState state
)
765 vmstop_requested
= state
;
766 qemu_mutex_unlock(&vmstop_lock
);
770 /***********************************************************/
771 /* RTC reference time/date access */
772 static time_t qemu_ref_timedate(QEMUClockType clock
)
774 time_t value
= qemu_clock_get_ms(clock
) / 1000;
776 case QEMU_CLOCK_REALTIME
:
777 value
-= rtc_realtime_clock_offset
;
779 case QEMU_CLOCK_VIRTUAL
:
780 value
+= rtc_ref_start_datetime
;
782 case QEMU_CLOCK_HOST
:
783 if (rtc_base_type
== RTC_BASE_DATETIME
) {
784 value
-= rtc_host_datetime_offset
;
793 void qemu_get_timedate(struct tm
*tm
, int offset
)
795 time_t ti
= qemu_ref_timedate(rtc_clock
);
799 switch (rtc_base_type
) {
800 case RTC_BASE_DATETIME
:
804 case RTC_BASE_LOCALTIME
:
805 localtime_r(&ti
, tm
);
810 int qemu_timedate_diff(struct tm
*tm
)
814 switch (rtc_base_type
) {
815 case RTC_BASE_DATETIME
:
817 seconds
= mktimegm(tm
);
819 case RTC_BASE_LOCALTIME
:
822 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
823 seconds
= mktime(&tmp
);
830 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
833 static void configure_rtc_base_datetime(const char *startdate
)
835 time_t rtc_start_datetime
;
838 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
839 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
841 } else if (sscanf(startdate
, "%d-%d-%d",
842 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
851 rtc_start_datetime
= mktimegm(&tm
);
852 if (rtc_start_datetime
== -1) {
854 error_report("invalid datetime format");
855 error_printf("valid formats: "
856 "'2006-06-17T16:01:21' or '2006-06-17'\n");
859 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
860 rtc_ref_start_datetime
= rtc_start_datetime
;
863 static void configure_rtc(QemuOpts
*opts
)
868 rtc_clock
= QEMU_CLOCK_HOST
;
869 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
870 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
872 value
= qemu_opt_get(opts
, "base");
874 if (!strcmp(value
, "utc")) {
875 rtc_base_type
= RTC_BASE_UTC
;
876 } else if (!strcmp(value
, "localtime")) {
877 Error
*blocker
= NULL
;
878 rtc_base_type
= RTC_BASE_LOCALTIME
;
879 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
880 "-rtc base=localtime");
881 replay_add_blocker(blocker
);
883 rtc_base_type
= RTC_BASE_DATETIME
;
884 configure_rtc_base_datetime(value
);
887 value
= qemu_opt_get(opts
, "clock");
889 if (!strcmp(value
, "host")) {
890 rtc_clock
= QEMU_CLOCK_HOST
;
891 } else if (!strcmp(value
, "rt")) {
892 rtc_clock
= QEMU_CLOCK_REALTIME
;
893 } else if (!strcmp(value
, "vm")) {
894 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
896 error_report("invalid option value '%s'", value
);
900 value
= qemu_opt_get(opts
, "driftfix");
902 if (!strcmp(value
, "slew")) {
903 static GlobalProperty slew_lost_ticks
= {
904 .driver
= "mc146818rtc",
905 .property
= "lost_tick_policy",
909 qdev_prop_register_global(&slew_lost_ticks
);
910 } else if (!strcmp(value
, "none")) {
911 /* discard is default */
913 error_report("invalid option value '%s'", value
);
919 /***********************************************************/
920 /* Bluetooth support */
923 static struct HCIInfo
*hci_table
[MAX_NICS
];
925 struct HCIInfo
*qemu_next_hci(void)
927 if (cur_hci
== nb_hcis
)
930 return hci_table
[cur_hci
++];
933 static int bt_hci_parse(const char *str
)
938 if (nb_hcis
>= MAX_NICS
) {
939 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
952 bdaddr
.b
[5] = 0x56 + nb_hcis
;
953 hci
->bdaddr_set(hci
, bdaddr
.b
);
955 hci_table
[nb_hcis
++] = hci
;
960 static void bt_vhci_add(int vlan_id
)
962 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
965 warn_report("adding a VHCI to an empty scatternet %i",
968 bt_vhci_init(bt_new_hci(vlan
));
971 static struct bt_device_s
*bt_device_add(const char *opt
)
973 struct bt_scatternet_s
*vlan
;
975 char *endp
= strstr(opt
, ",vlan=");
976 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
979 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
982 vlan_id
= strtol(endp
+ 6, &endp
, 0);
984 error_report("unrecognised bluetooth vlan Id");
989 vlan
= qemu_find_bt_vlan(vlan_id
);
992 warn_report("adding a slave device to an empty scatternet %i",
995 if (!strcmp(devname
, "keyboard"))
996 return bt_keyboard_init(vlan
);
998 error_report("unsupported bluetooth device '%s'", devname
);
1002 static int bt_parse(const char *opt
)
1004 const char *endp
, *p
;
1007 if (strstart(opt
, "hci", &endp
)) {
1008 if (!*endp
|| *endp
== ',') {
1010 if (!strstart(endp
, ",vlan=", 0))
1013 return bt_hci_parse(opt
);
1015 } else if (strstart(opt
, "vhci", &endp
)) {
1016 if (!*endp
|| *endp
== ',') {
1018 if (strstart(endp
, ",vlan=", &p
)) {
1019 vlan
= strtol(p
, (char **) &endp
, 0);
1021 error_report("bad scatternet '%s'", p
);
1025 error_report("bad parameter '%s'", endp
+ 1);
1034 } else if (strstart(opt
, "device:", &endp
))
1035 return !bt_device_add(endp
);
1037 error_report("bad bluetooth parameter '%s'", opt
);
1041 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1043 const char *proc_name
;
1045 if (qemu_opt_get(opts
, "debug-threads")) {
1046 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1048 qemu_name
= qemu_opt_get(opts
, "guest");
1050 proc_name
= qemu_opt_get(opts
, "process");
1052 os_set_proc_name(proc_name
);
1058 bool defaults_enabled(void)
1060 return has_defaults
;
1064 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1066 int fd
, dupfd
, flags
;
1068 const char *fd_opaque
= NULL
;
1071 fd
= qemu_opt_get_number(opts
, "fd", -1);
1072 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1073 fd_opaque
= qemu_opt_get(opts
, "opaque");
1076 error_setg(errp
, "fd option is required and must be non-negative");
1080 if (fd
<= STDERR_FILENO
) {
1081 error_setg(errp
, "fd cannot be a standard I/O stream");
1086 * All fds inherited across exec() necessarily have FD_CLOEXEC
1087 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1089 flags
= fcntl(fd
, F_GETFD
);
1090 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1091 error_setg(errp
, "fd is not valid or already in use");
1096 error_setg(errp
, "set option is required and must be non-negative");
1100 #ifdef F_DUPFD_CLOEXEC
1101 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1105 qemu_set_cloexec(dupfd
);
1109 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1113 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1114 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1121 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1125 fd
= qemu_opt_get_number(opts
, "fd", -1);
1132 /***********************************************************/
1133 /* QEMU Block devices */
1135 #define HD_OPTS "media=disk"
1136 #define CDROM_OPTS "media=cdrom"
1138 #define PFLASH_OPTS ""
1142 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1144 BlockInterfaceType
*block_default_type
= opaque
;
1146 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1149 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1151 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1152 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1157 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1158 int index
, const char *optstr
)
1163 if (!enable
|| drive_get_by_index(type
, index
)) {
1167 opts
= drive_add(type
, index
, NULL
, optstr
);
1169 drive_enable_snapshot(NULL
, opts
, NULL
);
1172 dinfo
= drive_new(opts
, type
, &error_abort
);
1173 dinfo
->is_default
= true;
1177 typedef struct BlockdevOptionsQueueEntry
{
1178 BlockdevOptions
*bdo
;
1180 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
1181 } BlockdevOptionsQueueEntry
;
1183 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
1185 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
1186 MachineClass
*machine_class
, int snapshot
)
1189 * If the currently selected machine wishes to override the
1190 * units-per-bus property of its default HBA interface type, do so
1193 if (machine_class
->units_per_default_bus
) {
1194 override_max_devs(machine_class
->block_default_type
,
1195 machine_class
->units_per_default_bus
);
1198 /* open the virtual block devices */
1199 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
1200 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
1202 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
1203 loc_push_restore(&bdo
->loc
);
1204 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
1206 qapi_free_BlockdevOptions(bdo
->bdo
);
1209 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
1210 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
1213 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
1214 &machine_class
->block_default_type
, &error_fatal
)) {
1215 /* We printed help */
1219 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
1221 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
1222 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
1226 static QemuOptsList qemu_smp_opts
= {
1228 .implied_opt_name
= "cpus",
1229 .merge_lists
= true,
1230 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1234 .type
= QEMU_OPT_NUMBER
,
1237 .type
= QEMU_OPT_NUMBER
,
1240 .type
= QEMU_OPT_NUMBER
,
1243 .type
= QEMU_OPT_NUMBER
,
1246 .type
= QEMU_OPT_NUMBER
,
1248 { /*End of list */ }
1252 static void smp_parse(QemuOpts
*opts
)
1255 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1256 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1257 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1258 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1260 /* compute missing values, prefer sockets over cores over threads */
1261 if (cpus
== 0 || sockets
== 0) {
1262 cores
= cores
> 0 ? cores
: 1;
1263 threads
= threads
> 0 ? threads
: 1;
1265 sockets
= sockets
> 0 ? sockets
: 1;
1266 cpus
= cores
* threads
* sockets
;
1268 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1269 sockets
= max_cpus
/ (cores
* threads
);
1271 } else if (cores
== 0) {
1272 threads
= threads
> 0 ? threads
: 1;
1273 cores
= cpus
/ (sockets
* threads
);
1274 cores
= cores
> 0 ? cores
: 1;
1275 } else if (threads
== 0) {
1276 threads
= cpus
/ (cores
* sockets
);
1277 threads
= threads
> 0 ? threads
: 1;
1278 } else if (sockets
* cores
* threads
< cpus
) {
1279 error_report("cpu topology: "
1280 "sockets (%u) * cores (%u) * threads (%u) < "
1282 sockets
, cores
, threads
, cpus
);
1286 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1288 if (max_cpus
< cpus
) {
1289 error_report("maxcpus must be equal to or greater than smp");
1293 if (sockets
* cores
* threads
> max_cpus
) {
1294 error_report("cpu topology: "
1295 "sockets (%u) * cores (%u) * threads (%u) > "
1297 sockets
, cores
, threads
, max_cpus
);
1301 if (sockets
* cores
* threads
!= max_cpus
) {
1302 warn_report("Invalid CPU topology deprecated: "
1303 "sockets (%u) * cores (%u) * threads (%u) "
1305 sockets
, cores
, threads
, max_cpus
);
1310 smp_threads
= threads
;
1314 Error
*blocker
= NULL
;
1315 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1316 replay_add_blocker(blocker
);
1320 static void realtime_init(void)
1323 if (os_mlock() < 0) {
1324 error_report("locking memory failed");
1331 static void configure_msg(QemuOpts
*opts
)
1333 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1337 /* Now we still need this for compatibility with XEN. */
1338 bool has_igd_gfx_passthru
;
1339 static void igd_gfx_passthru(void)
1341 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1344 /***********************************************************/
1347 static int usb_device_add(const char *devname
)
1349 USBDevice
*dev
= NULL
;
1351 if (!machine_usb(current_machine
)) {
1355 dev
= usbdevice_create(devname
);
1362 static int usb_parse(const char *cmdline
)
1365 r
= usb_device_add(cmdline
);
1367 error_report("could not add USB device '%s'", cmdline
);
1372 /***********************************************************/
1373 /* machine registration */
1375 MachineState
*current_machine
;
1377 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
1381 for (el
= machines
; el
; el
= el
->next
) {
1382 MachineClass
*mc
= el
->data
;
1384 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
1392 static MachineClass
*find_default_machine(GSList
*machines
)
1396 for (el
= machines
; el
; el
= el
->next
) {
1397 MachineClass
*mc
= el
->data
;
1399 if (mc
->is_default
) {
1407 MachineInfoList
*qmp_query_machines(Error
**errp
)
1409 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1410 MachineInfoList
*mach_list
= NULL
;
1412 for (el
= machines
; el
; el
= el
->next
) {
1413 MachineClass
*mc
= el
->data
;
1414 MachineInfoList
*entry
;
1417 info
= g_malloc0(sizeof(*info
));
1418 if (mc
->is_default
) {
1419 info
->has_is_default
= true;
1420 info
->is_default
= true;
1424 info
->has_alias
= true;
1425 info
->alias
= g_strdup(mc
->alias
);
1428 info
->name
= g_strdup(mc
->name
);
1429 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1430 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1432 entry
= g_malloc0(sizeof(*entry
));
1433 entry
->value
= info
;
1434 entry
->next
= mach_list
;
1438 g_slist_free(machines
);
1442 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1444 ObjectProperty
*prop
;
1445 ObjectPropertyIterator iter
;
1447 if (!qemu_opt_has_help_opt(opts
)) {
1451 object_property_iter_init(&iter
, OBJECT(machine
));
1452 while ((prop
= object_property_iter_next(&iter
))) {
1457 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1458 prop
->name
, prop
->type
);
1459 if (prop
->description
) {
1460 printf(" (%s)\n", prop
->description
);
1469 struct vm_change_state_entry
{
1470 VMChangeStateHandler
*cb
;
1472 QLIST_ENTRY (vm_change_state_entry
) entries
;
1475 static QLIST_HEAD(, vm_change_state_entry
) vm_change_state_head
;
1477 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1480 VMChangeStateEntry
*e
;
1482 e
= g_malloc0(sizeof (*e
));
1486 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1490 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1492 QLIST_REMOVE (e
, entries
);
1496 void vm_state_notify(int running
, RunState state
)
1498 VMChangeStateEntry
*e
, *next
;
1500 trace_vm_state_notify(running
, state
, RunState_str(state
));
1502 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1503 e
->cb(e
->opaque
, running
, state
);
1507 static ShutdownCause reset_requested
;
1508 static ShutdownCause shutdown_requested
;
1509 static int shutdown_signal
;
1510 static pid_t shutdown_pid
;
1511 static int powerdown_requested
;
1512 static int debug_requested
;
1513 static int suspend_requested
;
1514 static bool preconfig_exit_requested
= true;
1515 static WakeupReason wakeup_reason
;
1516 static NotifierList powerdown_notifiers
=
1517 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1518 static NotifierList suspend_notifiers
=
1519 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1520 static NotifierList wakeup_notifiers
=
1521 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1522 static NotifierList shutdown_notifiers
=
1523 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers
);
1524 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1526 ShutdownCause
qemu_shutdown_requested_get(void)
1528 return shutdown_requested
;
1531 ShutdownCause
qemu_reset_requested_get(void)
1533 return reset_requested
;
1536 static int qemu_shutdown_requested(void)
1538 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1541 static void qemu_kill_report(void)
1543 if (!qtest_driver() && shutdown_signal
) {
1544 if (shutdown_pid
== 0) {
1545 /* This happens for eg ^C at the terminal, so it's worth
1546 * avoiding printing an odd message in that case.
1548 error_report("terminating on signal %d", shutdown_signal
);
1550 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1552 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1553 shutdown_signal
, shutdown_pid
,
1554 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1555 g_free(shutdown_cmd
);
1557 shutdown_signal
= 0;
1561 static ShutdownCause
qemu_reset_requested(void)
1563 ShutdownCause r
= reset_requested
;
1565 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1566 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1569 return SHUTDOWN_CAUSE_NONE
;
1572 static int qemu_suspend_requested(void)
1574 int r
= suspend_requested
;
1575 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1576 suspend_requested
= 0;
1582 static WakeupReason
qemu_wakeup_requested(void)
1584 return wakeup_reason
;
1587 static int qemu_powerdown_requested(void)
1589 int r
= powerdown_requested
;
1590 powerdown_requested
= 0;
1594 static int qemu_debug_requested(void)
1596 int r
= debug_requested
;
1597 debug_requested
= 0;
1601 void qemu_exit_preconfig_request(void)
1603 preconfig_exit_requested
= true;
1607 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1609 void qemu_system_reset(ShutdownCause reason
)
1613 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1615 cpu_synchronize_all_states();
1617 if (mc
&& mc
->reset
) {
1620 qemu_devices_reset();
1622 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1623 qapi_event_send_reset(shutdown_caused_by_guest(reason
), reason
);
1625 cpu_synchronize_all_post_reset();
1628 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1630 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1633 current_cpu
->crash_occurred
= true;
1635 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1637 vm_stop(RUN_STATE_GUEST_PANICKED
);
1639 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1641 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1645 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1646 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1647 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1648 info
->u
.hyper_v
.arg1
,
1649 info
->u
.hyper_v
.arg2
,
1650 info
->u
.hyper_v
.arg3
,
1651 info
->u
.hyper_v
.arg4
,
1652 info
->u
.hyper_v
.arg5
);
1653 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1654 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1655 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1657 S390CrashReason_str(info
->u
.s390
.reason
),
1658 info
->u
.s390
.psw_mask
,
1659 info
->u
.s390
.psw_addr
);
1661 qapi_free_GuestPanicInformation(info
);
1665 void qemu_system_reset_request(ShutdownCause reason
)
1667 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1668 shutdown_requested
= reason
;
1670 reset_requested
= reason
;
1673 qemu_notify_event();
1676 static void qemu_system_suspend(void)
1679 notifier_list_notify(&suspend_notifiers
, NULL
);
1680 runstate_set(RUN_STATE_SUSPENDED
);
1681 qapi_event_send_suspend();
1684 void qemu_system_suspend_request(void)
1686 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1689 suspend_requested
= 1;
1691 qemu_notify_event();
1694 void qemu_register_suspend_notifier(Notifier
*notifier
)
1696 notifier_list_add(&suspend_notifiers
, notifier
);
1699 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
)
1701 trace_system_wakeup_request(reason
);
1703 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1705 "Unable to wake up: guest is not in suspended state");
1708 if (!(wakeup_reason_mask
& (1 << reason
))) {
1711 runstate_set(RUN_STATE_RUNNING
);
1712 wakeup_reason
= reason
;
1713 qemu_notify_event();
1716 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1719 wakeup_reason_mask
|= (1 << reason
);
1721 wakeup_reason_mask
&= ~(1 << reason
);
1725 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1727 notifier_list_add(&wakeup_notifiers
, notifier
);
1730 void qemu_register_wakeup_support(void)
1732 wakeup_suspend_enabled
= true;
1735 bool qemu_wakeup_suspend_enabled(void)
1737 return wakeup_suspend_enabled
;
1740 CurrentMachineParams
*qmp_query_current_machine(Error
**errp
)
1742 CurrentMachineParams
*params
= g_malloc0(sizeof(*params
));
1743 params
->wakeup_suspend_support
= qemu_wakeup_suspend_enabled();
1748 void qemu_system_killed(int signal
, pid_t pid
)
1750 shutdown_signal
= signal
;
1754 /* Cannot call qemu_system_shutdown_request directly because
1755 * we are in a signal handler.
1757 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1758 qemu_notify_event();
1761 void qemu_system_shutdown_request(ShutdownCause reason
)
1763 trace_qemu_system_shutdown_request(reason
);
1764 replay_shutdown_request(reason
);
1765 shutdown_requested
= reason
;
1766 qemu_notify_event();
1769 static void qemu_system_powerdown(void)
1771 qapi_event_send_powerdown();
1772 notifier_list_notify(&powerdown_notifiers
, NULL
);
1775 static void qemu_system_shutdown(ShutdownCause cause
)
1777 qapi_event_send_shutdown(shutdown_caused_by_guest(cause
), cause
);
1778 notifier_list_notify(&shutdown_notifiers
, &cause
);
1781 void qemu_system_powerdown_request(void)
1783 trace_qemu_system_powerdown_request();
1784 powerdown_requested
= 1;
1785 qemu_notify_event();
1788 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1790 notifier_list_add(&powerdown_notifiers
, notifier
);
1793 void qemu_register_shutdown_notifier(Notifier
*notifier
)
1795 notifier_list_add(&shutdown_notifiers
, notifier
);
1798 void qemu_system_debug_request(void)
1800 debug_requested
= 1;
1801 qemu_notify_event();
1804 static bool main_loop_should_exit(void)
1807 ShutdownCause request
;
1809 if (preconfig_exit_requested
) {
1810 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1811 runstate_set(RUN_STATE_PRELAUNCH
);
1813 preconfig_exit_requested
= false;
1816 if (qemu_debug_requested()) {
1817 vm_stop(RUN_STATE_DEBUG
);
1819 if (qemu_suspend_requested()) {
1820 qemu_system_suspend();
1822 request
= qemu_shutdown_requested();
1825 qemu_system_shutdown(request
);
1827 vm_stop(RUN_STATE_SHUTDOWN
);
1832 request
= qemu_reset_requested();
1835 qemu_system_reset(request
);
1837 if (!runstate_check(RUN_STATE_RUNNING
) &&
1838 !runstate_check(RUN_STATE_INMIGRATE
)) {
1839 runstate_set(RUN_STATE_PRELAUNCH
);
1842 if (qemu_wakeup_requested()) {
1844 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1845 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1846 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1848 qapi_event_send_wakeup();
1850 if (qemu_powerdown_requested()) {
1851 qemu_system_powerdown();
1853 if (qemu_vmstop_requested(&r
)) {
1859 static void main_loop(void)
1861 #ifdef CONFIG_PROFILER
1864 while (!main_loop_should_exit()) {
1865 #ifdef CONFIG_PROFILER
1866 ti
= profile_getclock();
1868 main_loop_wait(false);
1869 #ifdef CONFIG_PROFILER
1870 dev_time
+= profile_getclock() - ti
;
1875 static void version(void)
1877 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1878 QEMU_COPYRIGHT
"\n");
1881 static void help(int exitcode
)
1884 printf("usage: %s [options] [disk_image]\n\n"
1885 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1886 error_get_progname());
1888 #define QEMU_OPTIONS_GENERATE_HELP
1889 #include "qemu-options-wrapper.h"
1891 printf("\nDuring emulation, the following keys are useful:\n"
1892 "ctrl-alt-f toggle full screen\n"
1893 "ctrl-alt-n switch to virtual console 'n'\n"
1894 "ctrl-alt toggle mouse and keyboard grab\n"
1896 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1898 QEMU_HELP_BOTTOM
"\n");
1903 #define HAS_ARG 0x0001
1905 typedef struct QEMUOption
{
1912 static const QEMUOption qemu_options
[] = {
1913 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1914 #define QEMU_OPTIONS_GENERATE_OPTIONS
1915 #include "qemu-options-wrapper.h"
1919 typedef struct VGAInterfaceInfo
{
1920 const char *opt_name
; /* option name */
1921 const char *name
; /* human-readable name */
1922 /* Class names indicating that support is available.
1923 * If no class is specified, the interface is always available */
1924 const char *class_names
[2];
1927 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1930 .name
= "no graphic card",
1934 .name
= "standard VGA",
1935 .class_names
= { "VGA", "isa-vga" },
1938 .opt_name
= "cirrus",
1939 .name
= "Cirrus VGA",
1940 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1943 .opt_name
= "vmware",
1944 .name
= "VMWare SVGA",
1945 .class_names
= { "vmware-svga" },
1948 .opt_name
= "virtio",
1949 .name
= "Virtio VGA",
1950 .class_names
= { "virtio-vga" },
1955 .class_names
= { "qxl-vga" },
1959 .name
= "TCX framebuffer",
1960 .class_names
= { "SUNW,tcx" },
1964 .name
= "CG3 framebuffer",
1965 .class_names
= { "cgthree" },
1968 .opt_name
= "xenfb",
1969 .name
= "Xen paravirtualized framebuffer",
1973 static bool vga_interface_available(VGAInterfaceType t
)
1975 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1977 assert(t
< VGA_TYPE_MAX
);
1978 return !ti
->class_names
[0] ||
1979 object_class_by_name(ti
->class_names
[0]) ||
1980 object_class_by_name(ti
->class_names
[1]);
1984 get_default_vga_model(const MachineClass
*machine_class
)
1986 if (machine_class
->default_display
) {
1987 return machine_class
->default_display
;
1988 } else if (vga_interface_available(VGA_CIRRUS
)) {
1990 } else if (vga_interface_available(VGA_STD
)) {
1997 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
2002 if (g_str_equal(p
, "help")) {
2003 const char *def
= get_default_vga_model(machine_class
);
2005 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2006 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2008 if (vga_interface_available(t
) && ti
->opt_name
) {
2009 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
2010 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
2016 assert(vga_interface_type
== VGA_NONE
);
2017 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2018 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2019 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2020 if (!vga_interface_available(t
)) {
2021 error_report("%s not available", ti
->name
);
2024 vga_interface_type
= t
;
2028 if (t
== VGA_TYPE_MAX
) {
2030 error_report("unknown vga type: %s", p
);
2034 const char *nextopt
;
2036 if (strstart(opts
, ",retrace=", &nextopt
)) {
2038 if (strstart(opts
, "dumb", &nextopt
))
2039 vga_retrace_method
= VGA_RETRACE_DUMB
;
2040 else if (strstart(opts
, "precise", &nextopt
))
2041 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2042 else goto invalid_vga
;
2043 } else goto invalid_vga
;
2048 static void parse_display_qapi(const char *optarg
)
2050 DisplayOptions
*opts
;
2053 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
2055 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2056 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2058 qapi_free_DisplayOptions(opts
);
2062 DisplayOptions
*qmp_query_display_options(Error
**errp
)
2064 return QAPI_CLONE(DisplayOptions
, &dpy
);
2067 static void parse_display(const char *p
)
2071 if (strstart(p
, "sdl", &opts
)) {
2073 * sdl DisplayType needs hand-crafted parser instead of
2074 * parse_display_qapi() due to some options not in
2075 * DisplayOptions, specifically:
2077 * Already deprecated.
2078 * - ctrl_grab + alt_grab
2079 * Not clear yet what happens to them long-term. Should
2080 * replaced by something better or deprecated and dropped.
2082 dpy
.type
= DISPLAY_TYPE_SDL
;
2084 const char *nextopt
;
2086 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2088 if (strstart(opts
, "on", &nextopt
)) {
2090 } else if (strstart(opts
, "off", &nextopt
)) {
2093 goto invalid_sdl_args
;
2095 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2097 if (strstart(opts
, "on", &nextopt
)) {
2099 } else if (strstart(opts
, "off", &nextopt
)) {
2102 goto invalid_sdl_args
;
2104 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2106 dpy
.has_window_close
= true;
2107 if (strstart(opts
, "on", &nextopt
)) {
2108 dpy
.window_close
= true;
2109 } else if (strstart(opts
, "off", &nextopt
)) {
2110 dpy
.window_close
= false;
2112 goto invalid_sdl_args
;
2114 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2117 if (strstart(opts
, "on", &nextopt
)) {
2118 dpy
.gl
= DISPLAYGL_MODE_ON
;
2119 } else if (strstart(opts
, "core", &nextopt
)) {
2120 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2121 } else if (strstart(opts
, "es", &nextopt
)) {
2122 dpy
.gl
= DISPLAYGL_MODE_ES
;
2123 } else if (strstart(opts
, "off", &nextopt
)) {
2124 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2126 goto invalid_sdl_args
;
2130 error_report("invalid SDL option string");
2135 } else if (strstart(p
, "vnc", &opts
)) {
2137 * vnc isn't a (local) DisplayType but a protocol for remote
2141 vnc_parse(opts
+ 1, &error_fatal
);
2143 error_report("VNC requires a display argument vnc=<display>");
2147 parse_display_qapi(p
);
2151 char *qemu_find_file(int type
, const char *name
)
2157 /* Try the name as a straight path first */
2158 if (access(name
, R_OK
) == 0) {
2159 trace_load_file(name
, name
);
2160 return g_strdup(name
);
2164 case QEMU_FILE_TYPE_BIOS
:
2167 case QEMU_FILE_TYPE_KEYMAP
:
2168 subdir
= "keymaps/";
2174 for (i
= 0; i
< data_dir_idx
; i
++) {
2175 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2176 if (access(buf
, R_OK
) == 0) {
2177 trace_load_file(name
, buf
);
2185 static void qemu_add_data_dir(const char *path
)
2192 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2195 for (i
= 0; i
< data_dir_idx
; i
++) {
2196 if (strcmp(data_dir
[i
], path
) == 0) {
2197 return; /* duplicate */
2200 data_dir
[data_dir_idx
++] = g_strdup(path
);
2203 static inline bool nonempty_str(const char *str
)
2208 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2212 const char *name
, *file
, *str
;
2213 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2215 if (fw_cfg
== NULL
) {
2216 error_setg(errp
, "fw_cfg device not available");
2219 name
= qemu_opt_get(opts
, "name");
2220 file
= qemu_opt_get(opts
, "file");
2221 str
= qemu_opt_get(opts
, "string");
2223 /* we need name and either a file or the content string */
2224 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2225 error_setg(errp
, "invalid argument(s)");
2228 if (nonempty_str(file
) && nonempty_str(str
)) {
2229 error_setg(errp
, "file and string are mutually exclusive");
2232 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2233 error_setg(errp
, "name too long (max. %d char)",
2234 FW_CFG_MAX_FILE_PATH
- 1);
2237 if (strncmp(name
, "opt/", 4) != 0) {
2238 warn_report("externally provided fw_cfg item names "
2239 "should be prefixed with \"opt/\"");
2241 if (nonempty_str(str
)) {
2242 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2243 buf
= g_memdup(str
, size
);
2246 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
2247 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
2252 /* For legacy, keep user files in a specific global order. */
2253 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2254 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2255 fw_cfg_reset_order_override(fw_cfg
);
2259 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2261 return qdev_device_help(opts
);
2264 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2268 dev
= qdev_device_add(opts
, errp
);
2272 object_unref(OBJECT(dev
));
2276 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2278 Error
*local_err
= NULL
;
2280 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
2282 error_propagate(errp
, local_err
);
2290 #ifdef CONFIG_VIRTFS
2291 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2293 return qemu_fsdev_add(opts
, errp
);
2297 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2300 const char *chardev
;
2304 mode
= qemu_opt_get(opts
, "mode");
2308 if (strcmp(mode
, "readline") == 0) {
2309 flags
= MONITOR_USE_READLINE
;
2310 } else if (strcmp(mode
, "control") == 0) {
2311 flags
= MONITOR_USE_CONTROL
;
2313 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2317 if (qemu_opt_get_bool(opts
, "pretty", 0))
2318 flags
|= MONITOR_USE_PRETTY
;
2320 chardev
= qemu_opt_get(opts
, "chardev");
2322 error_report("chardev is required");
2325 chr
= qemu_chr_find(chardev
);
2327 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2331 monitor_init(chr
, flags
);
2335 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2337 static int monitor_device_index
= 0;
2342 if (strstart(optarg
, "chardev:", &p
)) {
2343 snprintf(label
, sizeof(label
), "%s", p
);
2345 snprintf(label
, sizeof(label
), "compat_monitor%d",
2346 monitor_device_index
);
2347 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2349 error_report("parse error: %s", optarg
);
2354 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2355 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2356 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2357 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2358 monitor_device_index
++;
2361 struct device_config
{
2363 DEV_USB
, /* -usbdevice */
2365 DEV_SERIAL
, /* -serial */
2366 DEV_PARALLEL
, /* -parallel */
2367 DEV_DEBUGCON
, /* -debugcon */
2368 DEV_GDB
, /* -gdb, -s */
2369 DEV_SCLP
, /* s390 sclp */
2371 const char *cmdline
;
2373 QTAILQ_ENTRY(device_config
) next
;
2376 static QTAILQ_HEAD(, device_config
) device_configs
=
2377 QTAILQ_HEAD_INITIALIZER(device_configs
);
2379 static void add_device_config(int type
, const char *cmdline
)
2381 struct device_config
*conf
;
2383 conf
= g_malloc0(sizeof(*conf
));
2385 conf
->cmdline
= cmdline
;
2386 loc_save(&conf
->loc
);
2387 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2390 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2392 struct device_config
*conf
;
2395 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2396 if (conf
->type
!= type
)
2398 loc_push_restore(&conf
->loc
);
2399 rc
= func(conf
->cmdline
);
2400 loc_pop(&conf
->loc
);
2408 static int serial_parse(const char *devname
)
2410 int index
= num_serial_hds
;
2413 if (strcmp(devname
, "none") == 0)
2415 snprintf(label
, sizeof(label
), "serial%d", index
);
2416 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2418 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2419 if (!serial_hds
[index
]) {
2420 error_report("could not connect serial device"
2421 " to character backend '%s'", devname
);
2428 Chardev
*serial_hd(int i
)
2431 if (i
< num_serial_hds
) {
2432 return serial_hds
[i
];
2437 int serial_max_hds(void)
2439 return num_serial_hds
;
2442 static int parallel_parse(const char *devname
)
2444 static int index
= 0;
2447 if (strcmp(devname
, "none") == 0)
2449 if (index
== MAX_PARALLEL_PORTS
) {
2450 error_report("too many parallel ports");
2453 snprintf(label
, sizeof(label
), "parallel%d", index
);
2454 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2455 if (!parallel_hds
[index
]) {
2456 error_report("could not connect parallel device"
2457 " to character backend '%s'", devname
);
2464 static int debugcon_parse(const char *devname
)
2468 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
2469 error_report("invalid character backend '%s'", devname
);
2472 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2474 error_report("already have a debugcon device");
2477 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2478 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2482 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2484 const MachineClass
*mc1
= a
, *mc2
= b
;
2487 if (mc1
->family
== NULL
) {
2488 if (mc2
->family
== NULL
) {
2489 /* Compare standalone machine types against each other; they sort
2490 * in increasing order.
2492 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2493 object_class_get_name(OBJECT_CLASS(mc2
)));
2496 /* Standalone machine types sort after families. */
2500 if (mc2
->family
== NULL
) {
2501 /* Families sort before standalone machine types. */
2505 /* Families sort between each other alphabetically increasingly. */
2506 res
= strcmp(mc1
->family
, mc2
->family
);
2511 /* Within the same family, machine types sort in decreasing order. */
2512 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2513 object_class_get_name(OBJECT_CLASS(mc1
)));
2516 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
2521 if (is_help_option(name
)) {
2522 printf("Supported machines are:\n");
2523 machines
= g_slist_sort(machines
, machine_class_cmp
);
2524 for (el
= machines
; el
; el
= el
->next
) {
2525 MachineClass
*mc
= el
->data
;
2527 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2529 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2530 mc
->is_default
? " (default)" : "",
2531 mc
->deprecation_reason
? " (deprecated)" : "");
2536 mc
= find_machine(name
, machines
);
2538 error_report("unsupported machine type");
2539 error_printf("Use -machine help to list supported machines\n");
2545 void qemu_add_exit_notifier(Notifier
*notify
)
2547 notifier_list_add(&exit_notifiers
, notify
);
2550 void qemu_remove_exit_notifier(Notifier
*notify
)
2552 notifier_remove(notify
);
2555 static void qemu_run_exit_notifiers(void)
2557 notifier_list_notify(&exit_notifiers
, NULL
);
2560 static const char *pid_file
;
2561 static Notifier qemu_unlink_pidfile_notifier
;
2563 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2570 bool machine_init_done
;
2572 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2574 notifier_list_add(&machine_init_done_notifiers
, notify
);
2575 if (machine_init_done
) {
2576 notify
->notify(notify
, NULL
);
2580 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2582 notifier_remove(notify
);
2585 static void qemu_run_machine_init_done_notifiers(void)
2587 machine_init_done
= true;
2588 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2591 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2592 const char **poptarg
, int *poptind
)
2594 const QEMUOption
*popt
;
2595 int optind
= *poptind
;
2596 char *r
= argv
[optind
];
2599 loc_set_cmdline(argv
, optind
, 1);
2601 /* Treat --foo the same as -foo. */
2604 popt
= qemu_options
;
2607 error_report("invalid option");
2610 if (!strcmp(popt
->name
, r
+ 1))
2614 if (popt
->flags
& HAS_ARG
) {
2615 if (optind
>= argc
) {
2616 error_report("requires an argument");
2619 optarg
= argv
[optind
++];
2620 loc_set_cmdline(argv
, optind
- 2, 2);
2631 static MachineClass
*select_machine(void)
2633 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
2634 MachineClass
*machine_class
= find_default_machine(machines
);
2639 loc_push_none(&loc
);
2641 opts
= qemu_get_machine_opts();
2642 qemu_opts_loc_restore(opts
);
2644 optarg
= qemu_opt_get(opts
, "type");
2646 machine_class
= machine_parse(optarg
, machines
);
2649 if (!machine_class
) {
2650 error_report("No machine specified, and there is no default");
2651 error_printf("Use -machine help to list supported machines\n");
2656 g_slist_free(machines
);
2657 return machine_class
;
2660 static int machine_set_property(void *opaque
,
2661 const char *name
, const char *value
,
2664 Object
*obj
= OBJECT(opaque
);
2665 Error
*local_err
= NULL
;
2668 if (strcmp(name
, "type") == 0) {
2672 qom_name
= g_strdup(name
);
2673 for (p
= qom_name
; *p
; p
++) {
2679 object_property_parse(obj
, value
, qom_name
, &local_err
);
2683 error_propagate(errp
, local_err
);
2692 * Initial object creation happens before all other
2693 * QEMU data types are created. The majority of objects
2694 * can be created at this point. The rng-egd object
2695 * cannot be created here, as it depends on the chardev
2698 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2702 if (is_help_option(type
)) {
2705 printf("List of user creatable objects:\n");
2706 list
= object_class_get_list_sorted(TYPE_USER_CREATABLE
, false);
2707 for (l
= list
; l
!= NULL
; l
= l
->next
) {
2708 ObjectClass
*oc
= OBJECT_CLASS(l
->data
);
2709 printf(" %s\n", object_class_get_name(oc
));
2715 klass
= object_class_by_name(type
);
2716 if (klass
&& qemu_opt_has_help_opt(opts
)) {
2717 ObjectPropertyIterator iter
;
2718 ObjectProperty
*prop
;
2719 GPtrArray
*array
= g_ptr_array_new();
2722 object_class_property_iter_init(&iter
, klass
);
2723 while ((prop
= object_property_iter_next(&iter
))) {
2730 str
= g_string_new(NULL
);
2731 g_string_append_printf(str
, " %s=<%s>", prop
->name
, prop
->type
);
2732 if (prop
->description
) {
2733 if (str
->len
< 24) {
2734 g_string_append_printf(str
, "%*s", 24 - (int)str
->len
, "");
2736 g_string_append_printf(str
, " - %s", prop
->description
);
2738 g_ptr_array_add(array
, g_string_free(str
, false));
2740 g_ptr_array_sort(array
, (GCompareFunc
)qemu_pstrcmp0
);
2741 if (array
->len
> 0) {
2742 printf("%s options:\n", type
);
2744 printf("There are no options for %s.\n", type
);
2746 for (i
= 0; i
< array
->len
; i
++) {
2747 printf("%s\n", (char *)array
->pdata
[i
]);
2749 g_ptr_array_set_free_func(array
, g_free
);
2750 g_ptr_array_free(array
, true);
2755 * Objects should not be made "delayed" without a reason. If you
2756 * add one, state the reason in a comment!
2759 /* Reason: rng-egd property "chardev" */
2760 if (g_str_equal(type
, "rng-egd")) {
2764 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2765 /* Reason: cryptodev-vhost-user property "chardev" */
2766 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2772 * Reason: filter-* property "netdev" etc.
2774 if (g_str_equal(type
, "filter-buffer") ||
2775 g_str_equal(type
, "filter-dump") ||
2776 g_str_equal(type
, "filter-mirror") ||
2777 g_str_equal(type
, "filter-redirector") ||
2778 g_str_equal(type
, "colo-compare") ||
2779 g_str_equal(type
, "filter-rewriter") ||
2780 g_str_equal(type
, "filter-replay")) {
2784 /* Memory allocation by backends needs to be done
2785 * after configure_accelerator() (due to the tcg_enabled()
2786 * checks at memory_region_init_*()).
2788 * Also, allocation of large amounts of memory may delay
2789 * chardev initialization for too long, and trigger timeouts
2790 * on software that waits for a monitor socket to be created
2793 if (g_str_has_prefix(type
, "memory-backend-")) {
2802 * The remainder of object creation happens after the
2803 * creation of chardev, fsdev, net clients and device data types.
2805 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2807 return !object_create_initial(type
, opts
);
2811 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2815 const char *mem_str
;
2816 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2817 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2820 loc_push_none(&loc
);
2821 qemu_opts_loc_restore(opts
);
2824 mem_str
= qemu_opt_get(opts
, "size");
2827 error_report("missing 'size' option value");
2831 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2833 /* Fix up legacy suffix-less format */
2834 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2835 uint64_t overflow_check
= sz
;
2838 if (sz
/ MiB
!= overflow_check
) {
2839 error_report("too large 'size' option value");
2845 /* backward compatibility behaviour for case "-m 0" */
2847 sz
= default_ram_size
;
2850 sz
= QEMU_ALIGN_UP(sz
, 8192);
2852 if (ram_size
!= sz
) {
2853 error_report("ram size too large");
2857 /* store value for the future use */
2858 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2859 *maxram_size
= ram_size
;
2861 if (qemu_opt_get(opts
, "maxmem")) {
2864 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2865 slots
= qemu_opt_get_number(opts
, "slots", 0);
2866 if (sz
< ram_size
) {
2867 error_report("invalid value of -m option maxmem: "
2868 "maximum memory size (0x%" PRIx64
") must be at least "
2869 "the initial memory size (0x" RAM_ADDR_FMT
")",
2872 } else if (slots
&& sz
== ram_size
) {
2873 error_report("invalid value of -m option maxmem: "
2874 "memory slots were specified but maximum memory size "
2875 "(0x%" PRIx64
") is equal to the initial memory size "
2876 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2882 } else if (qemu_opt_get(opts
, "slots")) {
2883 error_report("invalid -m option value: missing 'maxmem' option");
2890 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2894 g
= g_malloc0(sizeof(*g
));
2895 g
->driver
= qemu_opt_get(opts
, "driver");
2896 g
->property
= qemu_opt_get(opts
, "property");
2897 g
->value
= qemu_opt_get(opts
, "value");
2898 qdev_prop_register_global(g
);
2902 static int qemu_read_default_config_file(void)
2906 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2907 if (ret
< 0 && ret
!= -ENOENT
) {
2914 static void user_register_global_props(void)
2916 qemu_opts_foreach(qemu_find_opts("global"),
2917 global_init_func
, NULL
, NULL
);
2920 int main(int argc
, char **argv
, char **envp
)
2923 int snapshot
, linux_boot
;
2924 const char *initrd_filename
;
2925 const char *kernel_filename
, *kernel_cmdline
;
2926 const char *boot_order
= NULL
;
2927 const char *boot_once
= NULL
;
2929 QemuOpts
*opts
, *machine_opts
;
2930 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2931 QemuOptsList
*olist
;
2934 const char *loadvm
= NULL
;
2935 MachineClass
*machine_class
;
2936 const char *cpu_option
;
2937 const char *vga_model
= NULL
;
2938 const char *qtest_chrdev
= NULL
;
2939 const char *qtest_log
= NULL
;
2940 const char *incoming
= NULL
;
2941 bool userconfig
= true;
2942 bool nographic
= false;
2943 int display_remote
= 0;
2944 const char *log_mask
= NULL
;
2945 const char *log_file
= NULL
;
2946 char *trace_file
= NULL
;
2947 ram_addr_t maxram_size
;
2948 uint64_t ram_slots
= 0;
2949 FILE *vmstate_dump_file
= NULL
;
2950 Error
*main_loop_err
= NULL
;
2952 bool list_data_dirs
= false;
2954 BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2956 error_init(argv
[0]);
2957 module_call_init(MODULE_INIT_TRACE
);
2959 qemu_init_cpu_list();
2960 qemu_init_cpu_loop();
2962 qemu_mutex_lock_iothread();
2964 atexit(qemu_run_exit_notifiers
);
2965 qemu_init_exec_dir(argv
[0]);
2967 module_call_init(MODULE_INIT_QOM
);
2969 qemu_add_opts(&qemu_drive_opts
);
2970 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2971 qemu_add_drive_opts(&qemu_common_drive_opts
);
2972 qemu_add_drive_opts(&qemu_drive_opts
);
2973 qemu_add_drive_opts(&bdrv_runtime_opts
);
2974 qemu_add_opts(&qemu_chardev_opts
);
2975 qemu_add_opts(&qemu_device_opts
);
2976 qemu_add_opts(&qemu_netdev_opts
);
2977 qemu_add_opts(&qemu_nic_opts
);
2978 qemu_add_opts(&qemu_net_opts
);
2979 qemu_add_opts(&qemu_rtc_opts
);
2980 qemu_add_opts(&qemu_global_opts
);
2981 qemu_add_opts(&qemu_mon_opts
);
2982 qemu_add_opts(&qemu_trace_opts
);
2983 qemu_add_opts(&qemu_option_rom_opts
);
2984 qemu_add_opts(&qemu_machine_opts
);
2985 qemu_add_opts(&qemu_accel_opts
);
2986 qemu_add_opts(&qemu_mem_opts
);
2987 qemu_add_opts(&qemu_smp_opts
);
2988 qemu_add_opts(&qemu_boot_opts
);
2989 qemu_add_opts(&qemu_add_fd_opts
);
2990 qemu_add_opts(&qemu_object_opts
);
2991 qemu_add_opts(&qemu_tpmdev_opts
);
2992 qemu_add_opts(&qemu_realtime_opts
);
2993 qemu_add_opts(&qemu_overcommit_opts
);
2994 qemu_add_opts(&qemu_msg_opts
);
2995 qemu_add_opts(&qemu_name_opts
);
2996 qemu_add_opts(&qemu_numa_opts
);
2997 qemu_add_opts(&qemu_icount_opts
);
2998 qemu_add_opts(&qemu_semihosting_config_opts
);
2999 qemu_add_opts(&qemu_fw_cfg_opts
);
3000 module_call_init(MODULE_INIT_OPTS
);
3003 precopy_infrastructure_init();
3004 postcopy_infrastructure_init();
3005 monitor_init_globals();
3007 if (qcrypto_init(&err
) < 0) {
3008 error_reportf_err(err
, "cannot initialize crypto: ");
3012 QLIST_INIT (&vm_change_state_head
);
3013 os_setup_early_signal_handling();
3020 bdrv_init_with_whitelist();
3024 /* first pass of option parsing */
3026 while (optind
< argc
) {
3027 if (argv
[optind
][0] != '-') {
3031 const QEMUOption
*popt
;
3033 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3034 switch (popt
->index
) {
3035 case QEMU_OPTION_nouserconfig
:
3043 if (qemu_read_default_config_file() < 0) {
3048 /* second pass of option parsing */
3053 if (argv
[optind
][0] != '-') {
3054 loc_set_cmdline(argv
, optind
, 1);
3055 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3057 const QEMUOption
*popt
;
3059 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3060 if (!(popt
->arch_mask
& arch_type
)) {
3061 error_report("Option not supported for this target");
3064 switch(popt
->index
) {
3065 case QEMU_OPTION_cpu
:
3066 /* hw initialization will check this */
3067 cpu_option
= optarg
;
3069 case QEMU_OPTION_hda
:
3070 case QEMU_OPTION_hdb
:
3071 case QEMU_OPTION_hdc
:
3072 case QEMU_OPTION_hdd
:
3073 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3076 case QEMU_OPTION_blockdev
:
3079 BlockdevOptionsQueueEntry
*bdo
;
3081 v
= qobject_input_visitor_new_str(optarg
, "driver",
3084 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
3085 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3088 loc_save(&bdo
->loc
);
3089 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3092 case QEMU_OPTION_drive
:
3093 if (drive_def(optarg
) == NULL
) {
3097 case QEMU_OPTION_set
:
3098 if (qemu_set_option(optarg
) != 0)
3101 case QEMU_OPTION_global
:
3102 if (qemu_global_option(optarg
) != 0)
3105 case QEMU_OPTION_mtdblock
:
3106 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3108 case QEMU_OPTION_sd
:
3109 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3111 case QEMU_OPTION_pflash
:
3112 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3114 case QEMU_OPTION_snapshot
:
3117 case QEMU_OPTION_numa
:
3118 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3124 case QEMU_OPTION_display
:
3125 parse_display(optarg
);
3127 case QEMU_OPTION_nographic
:
3128 olist
= qemu_find_opts("machine");
3129 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3131 dpy
.type
= DISPLAY_TYPE_NONE
;
3133 case QEMU_OPTION_curses
:
3134 #ifdef CONFIG_CURSES
3135 dpy
.type
= DISPLAY_TYPE_CURSES
;
3137 error_report("curses or iconv support is disabled");
3141 case QEMU_OPTION_portrait
:
3142 graphic_rotate
= 90;
3144 case QEMU_OPTION_rotate
:
3145 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3146 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3147 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3148 error_report("only 90, 180, 270 deg rotation is available");
3152 case QEMU_OPTION_kernel
:
3153 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3156 case QEMU_OPTION_initrd
:
3157 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3160 case QEMU_OPTION_append
:
3161 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3164 case QEMU_OPTION_dtb
:
3165 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3168 case QEMU_OPTION_cdrom
:
3169 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3171 case QEMU_OPTION_boot
:
3172 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3178 case QEMU_OPTION_fda
:
3179 case QEMU_OPTION_fdb
:
3180 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3183 case QEMU_OPTION_no_fd_bootchk
:
3186 case QEMU_OPTION_netdev
:
3188 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3192 case QEMU_OPTION_nic
:
3194 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3198 case QEMU_OPTION_net
:
3200 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3204 #ifdef CONFIG_LIBISCSI
3205 case QEMU_OPTION_iscsi
:
3206 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3213 case QEMU_OPTION_bt
:
3214 warn_report("The bluetooth subsystem is deprecated and will "
3215 "be removed soon. If the bluetooth subsystem is "
3216 "still useful for you, please send a mail to "
3217 "qemu-devel@nongnu.org with your usecase.");
3218 add_device_config(DEV_BT
, optarg
);
3220 case QEMU_OPTION_audio_help
:
3221 audio_legacy_help();
3224 case QEMU_OPTION_audiodev
:
3225 audio_parse_option(optarg
);
3227 case QEMU_OPTION_soundhw
:
3228 select_soundhw (optarg
);
3233 case QEMU_OPTION_version
:
3238 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3245 case QEMU_OPTION_tpmdev
:
3246 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3251 case QEMU_OPTION_mempath
:
3254 case QEMU_OPTION_mem_prealloc
:
3263 case QEMU_OPTION_DFILTER
:
3264 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3266 case QEMU_OPTION_seed
:
3267 qemu_guest_random_seed_main(optarg
, &error_fatal
);
3270 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3272 case QEMU_OPTION_gdb
:
3273 add_device_config(DEV_GDB
, optarg
);
3276 if (is_help_option(optarg
)) {
3277 list_data_dirs
= true;
3279 qemu_add_data_dir(optarg
);
3282 case QEMU_OPTION_bios
:
3283 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3286 case QEMU_OPTION_singlestep
:
3293 keyboard_layout
= optarg
;
3295 case QEMU_OPTION_vga
:
3304 w
= strtol(p
, (char **)&p
, 10);
3307 error_report("invalid resolution or depth");
3313 h
= strtol(p
, (char **)&p
, 10);
3318 depth
= strtol(p
, (char **)&p
, 10);
3319 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3320 depth
!= 24 && depth
!= 32)
3322 } else if (*p
== '\0') {
3323 depth
= graphic_depth
;
3330 graphic_depth
= depth
;
3333 case QEMU_OPTION_echr
:
3336 term_escape_char
= strtol(optarg
, &r
, 0);
3338 printf("Bad argument to echr\n");
3341 case QEMU_OPTION_monitor
:
3342 default_monitor
= 0;
3343 if (strncmp(optarg
, "none", 4)) {
3344 monitor_parse(optarg
, "readline", false);
3347 case QEMU_OPTION_qmp
:
3348 monitor_parse(optarg
, "control", false);
3349 default_monitor
= 0;
3351 case QEMU_OPTION_qmp_pretty
:
3352 monitor_parse(optarg
, "control", true);
3353 default_monitor
= 0;
3355 case QEMU_OPTION_mon
:
3356 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3361 default_monitor
= 0;
3363 case QEMU_OPTION_chardev
:
3364 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3370 case QEMU_OPTION_fsdev
:
3371 olist
= qemu_find_opts("fsdev");
3373 error_report("fsdev support is disabled");
3376 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3381 case QEMU_OPTION_virtfs
: {
3384 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3386 olist
= qemu_find_opts("virtfs");
3388 error_report("virtfs support is disabled");
3391 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3396 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3397 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3398 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3401 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3402 qemu_opts_id(opts
) ?:
3403 qemu_opt_get(opts
, "mount_tag"),
3406 error_report("duplicate or invalid fsdev id: %s",
3407 qemu_opt_get(opts
, "mount_tag"));
3411 writeout
= qemu_opt_get(opts
, "writeout");
3413 #ifdef CONFIG_SYNC_FILE_RANGE
3414 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3416 error_report("writeout=immediate not supported "
3417 "on this platform");
3421 qemu_opt_set(fsdev
, "fsdriver",
3422 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3423 path
= qemu_opt_get(opts
, "path");
3425 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3427 security_model
= qemu_opt_get(opts
, "security_model");
3428 if (security_model
) {
3429 qemu_opt_set(fsdev
, "security_model", security_model
,
3432 socket
= qemu_opt_get(opts
, "socket");
3434 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3436 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3438 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3441 qemu_opt_set_bool(fsdev
, "readonly",
3442 qemu_opt_get_bool(opts
, "readonly", 0),
3444 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3446 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3447 qemu_opt_set(device
, "fsdev",
3448 qemu_opts_id(fsdev
), &error_abort
);
3449 qemu_opt_set(device
, "mount_tag",
3450 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3453 case QEMU_OPTION_virtfs_synth
: {
3457 warn_report("'-virtfs_synth' is deprecated, please use "
3458 "'-fsdev synth' and '-device virtio-9p-...' "
3461 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3464 error_report("duplicate option: %s", "virtfs_synth");
3467 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3469 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3471 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3472 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3473 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3476 case QEMU_OPTION_serial
:
3477 add_device_config(DEV_SERIAL
, optarg
);
3479 if (strncmp(optarg
, "mon:", 4) == 0) {
3480 default_monitor
= 0;
3483 case QEMU_OPTION_watchdog
:
3485 error_report("only one watchdog option may be given");
3490 case QEMU_OPTION_watchdog_action
:
3491 if (select_watchdog_action(optarg
) == -1) {
3492 error_report("unknown -watchdog-action parameter");
3496 case QEMU_OPTION_parallel
:
3497 add_device_config(DEV_PARALLEL
, optarg
);
3498 default_parallel
= 0;
3499 if (strncmp(optarg
, "mon:", 4) == 0) {
3500 default_monitor
= 0;
3503 case QEMU_OPTION_debugcon
:
3504 add_device_config(DEV_DEBUGCON
, optarg
);
3506 case QEMU_OPTION_loadvm
:
3509 case QEMU_OPTION_full_screen
:
3510 dpy
.has_full_screen
= true;
3511 dpy
.full_screen
= true;
3513 case QEMU_OPTION_alt_grab
:
3516 case QEMU_OPTION_ctrl_grab
:
3519 case QEMU_OPTION_no_quit
:
3520 dpy
.has_window_close
= true;
3521 dpy
.window_close
= false;
3523 case QEMU_OPTION_sdl
:
3525 dpy
.type
= DISPLAY_TYPE_SDL
;
3528 error_report("SDL support is disabled");
3531 case QEMU_OPTION_pidfile
:
3534 case QEMU_OPTION_win2k_hack
:
3535 win2k_install_hack
= 1;
3537 case QEMU_OPTION_acpitable
:
3538 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3543 acpi_table_add(opts
, &error_fatal
);
3545 case QEMU_OPTION_smbios
:
3546 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3551 smbios_entry_add(opts
, &error_fatal
);
3553 case QEMU_OPTION_fwcfg
:
3554 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3560 case QEMU_OPTION_preconfig
:
3561 preconfig_exit_requested
= false;
3563 case QEMU_OPTION_enable_kvm
:
3564 olist
= qemu_find_opts("machine");
3565 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3568 case QEMU_OPTION_machine
:
3569 olist
= qemu_find_opts("machine");
3570 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3575 case QEMU_OPTION_no_kvm
:
3576 olist
= qemu_find_opts("machine");
3577 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3579 case QEMU_OPTION_accel
:
3580 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3582 optarg
= qemu_opt_get(accel_opts
, "accel");
3583 if (!optarg
|| is_help_option(optarg
)) {
3584 printf("Accelerators supported in QEMU binary:\n");
3585 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3587 for (el
= accel_list
; el
; el
= el
->next
) {
3588 gchar
*typename
= g_strdup(object_class_get_name(
3589 OBJECT_CLASS(el
->data
)));
3590 /* omit qtest which is used for tests only */
3591 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3592 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3593 gchar
**optname
= g_strsplit(typename
,
3594 ACCEL_CLASS_SUFFIX
, 0);
3595 printf("%s\n", optname
[0]);
3600 g_slist_free(accel_list
);
3603 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3604 false, &error_abort
);
3605 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3607 case QEMU_OPTION_usb
:
3608 olist
= qemu_find_opts("machine");
3609 qemu_opts_parse_noisily(olist
, "usb=on", false);
3611 case QEMU_OPTION_usbdevice
:
3612 error_report("'-usbdevice' is deprecated, please use "
3613 "'-device usb-...' instead");
3614 olist
= qemu_find_opts("machine");
3615 qemu_opts_parse_noisily(olist
, "usb=on", false);
3616 add_device_config(DEV_USB
, optarg
);
3618 case QEMU_OPTION_device
:
3619 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3624 case QEMU_OPTION_smp
:
3625 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3630 case QEMU_OPTION_vnc
:
3631 vnc_parse(optarg
, &error_fatal
);
3633 case QEMU_OPTION_no_acpi
:
3636 case QEMU_OPTION_no_hpet
:
3639 case QEMU_OPTION_no_reboot
:
3642 case QEMU_OPTION_no_shutdown
:
3645 case QEMU_OPTION_show_cursor
:
3648 case QEMU_OPTION_uuid
:
3649 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3650 error_report("failed to parse UUID string: wrong format");
3653 qemu_uuid_set
= true;
3655 case QEMU_OPTION_option_rom
:
3656 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3657 error_report("too many option ROMs");
3660 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3665 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3666 option_rom
[nb_option_roms
].bootindex
=
3667 qemu_opt_get_number(opts
, "bootindex", -1);
3668 if (!option_rom
[nb_option_roms
].name
) {
3669 error_report("Option ROM file is not specified");
3674 case QEMU_OPTION_semihosting
:
3675 qemu_semihosting_enable();
3677 case QEMU_OPTION_semihosting_config
:
3678 if (qemu_semihosting_config_options(optarg
) != 0) {
3682 case QEMU_OPTION_name
:
3683 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3689 case QEMU_OPTION_prom_env
:
3690 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3691 error_report("too many prom variables");
3694 prom_envs
[nb_prom_envs
] = optarg
;
3697 case QEMU_OPTION_old_param
:
3700 case QEMU_OPTION_rtc
:
3701 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3707 case QEMU_OPTION_tb_size
:
3709 error_report("TCG is disabled");
3712 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3713 error_report("Invalid argument to -tb-size");
3717 case QEMU_OPTION_icount
:
3718 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3724 case QEMU_OPTION_incoming
:
3726 runstate_set(RUN_STATE_INMIGRATE
);
3730 case QEMU_OPTION_only_migratable
:
3731 only_migratable
= 1;
3733 case QEMU_OPTION_nodefaults
:
3736 case QEMU_OPTION_xen_domid
:
3737 if (!(xen_available())) {
3738 error_report("Option not supported for this target");
3741 xen_domid
= atoi(optarg
);
3743 case QEMU_OPTION_xen_attach
:
3744 if (!(xen_available())) {
3745 error_report("Option not supported for this target");
3748 xen_mode
= XEN_ATTACH
;
3750 case QEMU_OPTION_xen_domid_restrict
:
3751 if (!(xen_available())) {
3752 error_report("Option not supported for this target");
3755 xen_domid_restrict
= true;
3757 case QEMU_OPTION_trace
:
3759 trace_file
= trace_opt_parse(optarg
);
3761 case QEMU_OPTION_readconfig
:
3763 int ret
= qemu_read_config_file(optarg
);
3765 error_report("read config %s: %s", optarg
,
3771 case QEMU_OPTION_spice
:
3772 olist
= qemu_find_opts("spice");
3774 error_report("spice support is disabled");
3777 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3783 case QEMU_OPTION_writeconfig
:
3786 if (strcmp(optarg
, "-") == 0) {
3789 fp
= fopen(optarg
, "w");
3791 error_report("open %s: %s", optarg
,
3796 qemu_config_write(fp
);
3802 case QEMU_OPTION_qtest
:
3803 qtest_chrdev
= optarg
;
3805 case QEMU_OPTION_qtest_log
:
3808 case QEMU_OPTION_sandbox
:
3809 olist
= qemu_find_opts("sandbox");
3811 #ifndef CONFIG_SECCOMP
3812 error_report("-sandbox support is not enabled "
3813 "in this QEMU binary");
3818 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3823 case QEMU_OPTION_add_fd
:
3825 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3831 error_report("File descriptor passing is disabled on this "
3836 case QEMU_OPTION_object
:
3837 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3843 case QEMU_OPTION_realtime
:
3844 warn_report("'-realtime mlock=...' is deprecated, please use "
3845 "'-overcommit mem-lock=...' instead");
3846 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3851 /* Don't override the -overcommit option if set */
3852 enable_mlock
= enable_mlock
||
3853 qemu_opt_get_bool(opts
, "mlock", true);
3855 case QEMU_OPTION_overcommit
:
3856 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3861 /* Don't override the -realtime option if set */
3862 enable_mlock
= enable_mlock
||
3863 qemu_opt_get_bool(opts
, "mem-lock", false);
3864 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3866 case QEMU_OPTION_msg
:
3867 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3872 configure_msg(opts
);
3874 case QEMU_OPTION_dump_vmstate
:
3875 if (vmstate_dump_file
) {
3876 error_report("only one '-dump-vmstate' "
3877 "option may be given");
3880 vmstate_dump_file
= fopen(optarg
, "w");
3881 if (vmstate_dump_file
== NULL
) {
3882 error_report("open %s: %s", optarg
, strerror(errno
));
3886 case QEMU_OPTION_enable_sync_profile
:
3889 case QEMU_OPTION_nouserconfig
:
3890 /* Nothing to be parsed here. Especially, do not error out below. */
3893 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3894 error_report("Option not supported in this build");
3901 * Clear error location left behind by the loop.
3902 * Best done right after the loop. Do not insert code here!
3906 user_register_global_props();
3908 replay_configure(icount_opts
);
3910 if (incoming
&& !preconfig_exit_requested
) {
3911 error_report("'preconfig' and 'incoming' options are "
3912 "mutually exclusive");
3916 configure_rtc(qemu_find_opts_singleton("rtc"));
3918 machine_class
= select_machine();
3919 object_set_machine_compat_props(machine_class
->compat_props
);
3921 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3924 rcu_disable_atfork();
3926 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3927 error_reportf_err(err
, "cannot create PID file: ");
3931 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3932 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3934 if (qemu_init_main_loop(&main_loop_err
)) {
3935 error_report_err(main_loop_err
);
3939 #ifdef CONFIG_SECCOMP
3940 olist
= qemu_find_opts_err("sandbox", NULL
);
3942 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3946 qemu_opts_foreach(qemu_find_opts("name"),
3947 parse_name
, NULL
, &error_fatal
);
3950 qemu_opts_foreach(qemu_find_opts("add-fd"),
3951 parse_add_fd
, NULL
, &error_fatal
);
3953 qemu_opts_foreach(qemu_find_opts("add-fd"),
3954 cleanup_add_fd
, NULL
, &error_fatal
);
3957 current_machine
= MACHINE(object_new(object_class_get_name(
3958 OBJECT_CLASS(machine_class
))));
3959 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3962 object_property_add_child(object_get_root(), "machine",
3963 OBJECT(current_machine
), &error_abort
);
3964 object_property_add_child(container_get(OBJECT(current_machine
),
3966 "sysbus", OBJECT(sysbus_get_default()),
3969 if (machine_class
->minimum_page_bits
) {
3970 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3971 /* This would be a board error: specifying a minimum smaller than
3972 * a target's compile-time fixed setting.
3974 g_assert_not_reached();
3978 cpu_exec_init_all();
3980 if (machine_class
->hw_version
) {
3981 qemu_set_hw_version(machine_class
->hw_version
);
3984 if (cpu_option
&& is_help_option(cpu_option
)) {
3985 list_cpus(cpu_option
);
3989 if (!trace_init_backends()) {
3992 trace_init_file(trace_file
);
3994 /* Open the logfile at this point and set the log mask if necessary.
3997 qemu_set_log_filename(log_file
, &error_fatal
);
4002 mask
= qemu_str_to_log_mask(log_mask
);
4004 qemu_print_log_usage(stdout
);
4012 /* add configured firmware directories */
4013 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4014 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4015 qemu_add_data_dir(dirs
[i
]);
4019 /* try to find datadir relative to the executable path */
4020 dir
= os_find_datadir();
4021 qemu_add_data_dir(dir
);
4024 /* add the datadir specified when building */
4025 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4027 /* -L help lists the data directories and exits. */
4028 if (list_data_dirs
) {
4029 for (i
= 0; i
< data_dir_idx
; i
++) {
4030 printf("%s\n", data_dir
[i
]);
4035 /* machine_class: default to UP */
4036 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4037 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4038 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4040 /* default to machine_class->default_cpus */
4041 smp_cpus
= machine_class
->default_cpus
;
4042 max_cpus
= machine_class
->default_cpus
;
4044 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4046 /* sanity-check smp_cpus and max_cpus against machine_class */
4047 if (smp_cpus
< machine_class
->min_cpus
) {
4048 error_report("Invalid SMP CPUs %d. The min CPUs "
4049 "supported by machine '%s' is %d", smp_cpus
,
4050 machine_class
->name
, machine_class
->min_cpus
);
4053 if (max_cpus
> machine_class
->max_cpus
) {
4054 error_report("Invalid SMP CPUs %d. The max CPUs "
4055 "supported by machine '%s' is %d", max_cpus
,
4056 machine_class
->name
, machine_class
->max_cpus
);
4061 * Get the default machine options from the machine if it is not already
4062 * specified either by the configuration file or by the command line.
4064 if (machine_class
->default_machine_opts
) {
4065 qemu_opts_set_defaults(qemu_find_opts("machine"),
4066 machine_class
->default_machine_opts
, 0);
4069 qemu_opts_foreach(qemu_find_opts("device"),
4070 default_driver_check
, NULL
, NULL
);
4071 qemu_opts_foreach(qemu_find_opts("global"),
4072 default_driver_check
, NULL
, NULL
);
4074 if (!vga_model
&& !default_vga
) {
4075 vga_interface_type
= VGA_DEVICE
;
4077 if (!has_defaults
|| machine_class
->no_serial
) {
4080 if (!has_defaults
|| machine_class
->no_parallel
) {
4081 default_parallel
= 0;
4083 if (!has_defaults
|| machine_class
->no_floppy
) {
4086 if (!has_defaults
|| machine_class
->no_cdrom
) {
4089 if (!has_defaults
|| machine_class
->no_sdcard
) {
4092 if (!has_defaults
) {
4093 default_monitor
= 0;
4098 if (is_daemonized()) {
4099 if (!preconfig_exit_requested
) {
4100 error_report("'preconfig' and 'daemonize' options are "
4101 "mutually exclusive");
4105 /* According to documentation and historically, -nographic redirects
4106 * serial port, parallel port and monitor to stdio, which does not work
4107 * with -daemonize. We can redirect these to null instead, but since
4108 * -nographic is legacy, let's just error out.
4109 * We disallow -nographic only if all other ports are not redirected
4110 * explicitly, to not break existing legacy setups which uses
4111 * -nographic _and_ redirects all ports explicitly - this is valid
4112 * usage, -nographic is just a no-op in this case.
4115 && (default_parallel
|| default_serial
|| default_monitor
)) {
4116 error_report("-nographic cannot be used with -daemonize");
4119 #ifdef CONFIG_CURSES
4120 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4121 error_report("curses display cannot be used with -daemonize");
4128 if (default_parallel
)
4129 add_device_config(DEV_PARALLEL
, "null");
4130 if (default_serial
&& default_monitor
) {
4131 add_device_config(DEV_SERIAL
, "mon:stdio");
4134 add_device_config(DEV_SERIAL
, "stdio");
4135 if (default_monitor
)
4136 monitor_parse("stdio", "readline", false);
4140 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4141 if (default_parallel
)
4142 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4143 if (default_monitor
)
4144 monitor_parse("vc:80Cx24C", "readline", false);
4147 #if defined(CONFIG_VNC)
4148 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4152 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4153 if (!qemu_display_find_default(&dpy
)) {
4154 dpy
.type
= DISPLAY_TYPE_NONE
;
4155 #if defined(CONFIG_VNC)
4156 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4160 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4161 dpy
.type
= DISPLAY_TYPE_NONE
;
4164 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4165 error_report("-alt-grab and -ctrl-grab are only valid "
4166 "for SDL, ignoring option");
4168 if (dpy
.has_window_close
&&
4169 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4170 error_report("-no-quit is only valid for GTK and SDL, "
4174 qemu_display_early_init(&dpy
);
4175 qemu_console_early_init();
4177 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4178 #if defined(CONFIG_OPENGL)
4179 error_report("OpenGL is not supported by the display");
4181 error_report("OpenGL support is disabled");
4189 qemu_opts_foreach(qemu_find_opts("object"),
4190 user_creatable_add_opts_foreach
,
4191 object_create_initial
, &error_fatal
);
4193 qemu_opts_foreach(qemu_find_opts("chardev"),
4194 chardev_init_func
, NULL
, &error_fatal
);
4195 /* now chardevs have been created we may have semihosting to connect */
4196 qemu_semihosting_connect_chardevs();
4198 #ifdef CONFIG_VIRTFS
4199 qemu_opts_foreach(qemu_find_opts("fsdev"),
4200 fsdev_init_func
, NULL
, &error_fatal
);
4203 if (qemu_opts_foreach(qemu_find_opts("device"),
4204 device_help_func
, NULL
, NULL
)) {
4209 * Note: we need to create block backends before
4210 * machine_set_property(), so machine properties can refer to
4213 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
4215 machine_opts
= qemu_get_machine_opts();
4216 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4218 current_machine
->ram_size
= ram_size
;
4219 current_machine
->maxram_size
= maxram_size
;
4220 current_machine
->ram_slots
= ram_slots
;
4223 * Note: uses machine properties such as kernel-irqchip, must run
4224 * after machine_set_property().
4226 configure_accelerator(current_machine
, argv
[0]);
4229 * Beware, QOM objects created before this point miss global and
4230 * compat properties.
4232 * Global properties get set up by qdev_prop_register_global(),
4233 * called from user_register_global_props(), and certain option
4234 * desugaring. Also in CPU feature desugaring (buried in
4235 * parse_cpu_option()), which happens below this point, but may
4236 * only target the CPU type, which can only be created after
4237 * parse_cpu_option() returned the type.
4239 * Machine compat properties: object_set_machine_compat_props().
4240 * Accelerator compat props: object_set_accelerator_compat_props(),
4241 * called from configure_accelerator().
4244 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4245 error_report("Machine type '%s' is deprecated: %s",
4246 machine_class
->name
, machine_class
->deprecation_reason
);
4250 * Note: creates a QOM object, must run only after global and
4251 * compat properties have been set up.
4253 migration_object_init();
4256 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4259 machine_opts
= qemu_get_machine_opts();
4260 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4261 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4262 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4263 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4265 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4267 boot_order
= qemu_opt_get(opts
, "order");
4269 validate_bootdevices(boot_order
, &error_fatal
);
4272 boot_once
= qemu_opt_get(opts
, "once");
4274 validate_bootdevices(boot_once
, &error_fatal
);
4277 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4278 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4282 boot_order
= machine_class
->default_boot_order
;
4285 if (!kernel_cmdline
) {
4286 kernel_cmdline
= "";
4287 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4290 linux_boot
= (kernel_filename
!= NULL
);
4292 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4293 error_report("-append only allowed with -kernel option");
4297 if (!linux_boot
&& initrd_filename
!= NULL
) {
4298 error_report("-initrd only allowed with -kernel option");
4302 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4303 /* fall back to the -kernel/-append */
4304 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4307 os_set_line_buffering();
4309 /* spice needs the timers to be initialized by this point */
4314 if (!tcg_enabled()) {
4315 error_report("-icount is not allowed with hardware virtualization");
4318 configure_icount(icount_opts
, &error_abort
);
4319 qemu_opts_del(icount_opts
);
4322 if (tcg_enabled()) {
4323 qemu_tcg_configure(accel_opts
, &error_fatal
);
4327 QemuOptsList
*net
= qemu_find_opts("net");
4328 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4330 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4334 if (net_init_clients(&err
) < 0) {
4335 error_report_err(err
);
4339 qemu_opts_foreach(qemu_find_opts("object"),
4340 user_creatable_add_opts_foreach
,
4341 object_create_delayed
, &error_fatal
);
4345 /* init the bluetooth world */
4346 if (foreach_device_config(DEV_BT
, bt_parse
))
4349 if (!xen_enabled()) {
4350 /* On 32-bit hosts, QEMU is limited by virtual address space */
4351 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4352 error_report("at most 2047 MB RAM can be simulated");
4359 dirty_bitmap_mig_init();
4361 qemu_opts_foreach(qemu_find_opts("mon"),
4362 mon_init_func
, NULL
, &error_fatal
);
4364 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4366 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4368 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4371 /* If no default VGA is requested, the default is "none". */
4373 vga_model
= get_default_vga_model(machine_class
);
4376 select_vgahw(machine_class
, vga_model
);
4380 i
= select_watchdog(watchdog
);
4382 exit (i
== 1 ? 1 : 0);
4385 /* This checkpoint is required by replay to separate prior clock
4386 reading from the other reads, because timer polling functions query
4387 clock values from the log. */
4388 replay_checkpoint(CHECKPOINT_INIT
);
4389 qdev_machine_init();
4391 current_machine
->boot_order
= boot_order
;
4393 /* parse features once if machine provides default cpu_type */
4394 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4396 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
4398 parse_numa_opts(current_machine
);
4400 /* do monitor/qmp handling at preconfig state if requested */
4403 audio_init_audiodevs();
4405 /* from here on runstate is RUN_STATE_PRELAUNCH */
4406 machine_run_board_init(current_machine
);
4412 if (hax_enabled()) {
4416 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4417 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4419 /* init USB devices */
4420 if (machine_usb(current_machine
)) {
4421 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4425 /* Check if IGD GFX passthrough. */
4428 /* init generic devices */
4429 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4430 qemu_opts_foreach(qemu_find_opts("device"),
4431 device_init_func
, NULL
, &error_fatal
);
4433 cpu_synchronize_all_post_init();
4435 rom_reset_order_override();
4437 /* Did we create any drives that we failed to create a device for? */
4438 drive_check_orphaned();
4440 /* Don't warn about the default network setup that you get if
4441 * no command line -net or -netdev options are specified. There
4442 * are two cases that we would otherwise complain about:
4443 * (1) board doesn't support a NIC but the implicit "-net nic"
4445 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4446 * sets up a nic that isn't connected to anything.
4448 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4449 net_check_clients();
4453 qemu_boot_set(boot_once
, &error_fatal
);
4454 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4457 /* init local displays */
4458 ds
= init_displaystate();
4459 qemu_display_init(ds
, &dpy
);
4461 /* must be after terminal init, SDL library changes signal handlers */
4462 os_setup_signal_handling();
4464 /* init remote displays */
4466 qemu_opts_foreach(qemu_find_opts("vnc"),
4467 vnc_init_func
, NULL
, &error_fatal
);
4471 qemu_spice_display_init();
4474 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4478 qdev_machine_creation_done();
4480 /* TODO: once all bus devices are qdevified, this should be done
4481 * when bus is created by qdev.c */
4482 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4483 qemu_run_machine_init_done_notifiers();
4485 if (rom_check_and_register_reset() != 0) {
4486 error_report("rom check and register reset failed");
4492 /* This checkpoint is required by replay to separate prior clock
4493 reading from the other reads, because timer polling functions query
4494 clock values from the log. */
4495 replay_checkpoint(CHECKPOINT_RESET
);
4496 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4497 register_global_state();
4499 Error
*local_err
= NULL
;
4500 if (load_snapshot(loadvm
, &local_err
) < 0) {
4501 error_report_err(local_err
);
4506 if (replay_mode
!= REPLAY_MODE_NONE
) {
4507 replay_vmstate_init();
4510 qdev_prop_check_globals();
4511 if (vmstate_dump_file
) {
4513 dump_vmstate_json_to_file(vmstate_dump_file
);
4518 Error
*local_err
= NULL
;
4519 qemu_start_incoming_migration(incoming
, &local_err
);
4521 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4524 } else if (autostart
) {
4528 accel_setup_post(current_machine
);
4533 gdbserver_cleanup();
4536 * cleaning up the migration object cancels any existing migration
4537 * try to do this early so that it also stops using devices.
4539 migration_shutdown();
4541 /* No more vcpu or device emulation activity beyond this point */
4544 job_cancel_sync_all();
4549 /* vhost-user must be cleaned up before chardevs. */
4555 user_creatable_cleanup();
4556 /* TODO: unref root container, check all devices are ok */