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-common.h"
27 #include "qemu/units.h"
28 #include "qapi/error.h"
29 #include "qemu-version.h"
30 #include "qemu/cutils.h"
31 #include "qemu/help_option.h"
32 #include "qemu/uuid.h"
33 #include "sysemu/seccomp.h"
34 #include "sysemu/tcg.h"
37 #if defined(__APPLE__) || defined(main)
39 int qemu_main(int argc
, char **argv
, char **envp
);
40 int main(int argc
, char **argv
)
42 return qemu_main(argc
, argv
, NULL
);
45 #define main qemu_main
47 #endif /* CONFIG_SDL */
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
58 #include "sysemu/accel.h"
60 #include "hw/isa/isa.h"
61 #include "hw/scsi/scsi.h"
62 #include "hw/display/vga.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/firmware/smbios.h"
66 #include "hw/acpi/acpi.h"
67 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "chardev/char.h"
82 #include "qemu/bitmap.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/misc.h"
87 #include "migration/snapshot.h"
88 #include "migration/global_state.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "hw/audio/soundhw.h"
92 #include "audio/audio.h"
93 #include "sysemu/cpus.h"
94 #include "migration/colo.h"
95 #include "migration/postcopy-ram.h"
96 #include "sysemu/kvm.h"
97 #include "sysemu/hax.h"
98 #include "qapi/qobject-input-visitor.h"
99 #include "qemu/option.h"
100 #include "qemu/config-file.h"
101 #include "qemu-options.h"
102 #include "qemu/main-loop.h"
104 #include "fsdev/qemu-fsdev.h"
106 #include "sysemu/qtest.h"
108 #include "disas/disas.h"
110 #include "trace-root.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/arch_init.h"
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qapi/clone-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "hw/semihosting/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qapi-events-run-state.h"
124 #include "qapi/qapi-visit-block-core.h"
125 #include "qapi/qapi-visit-ui.h"
126 #include "qapi/qapi-commands-block-core.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;
166 int acpi_enabled
= 1;
169 static int no_reboot
;
172 int graphic_rotate
= 0;
173 const char *watchdog
;
174 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
177 const char *qemu_name
;
180 unsigned int nb_prom_envs
= 0;
181 const char *prom_envs
[MAX_PROM_ENVS
];
184 uint8_t *boot_splash_filedata
;
185 int only_migratable
; /* turn it off unless user states otherwise */
186 bool wakeup_suspend_enabled
;
188 int icount_align_option
;
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 static NotifierList exit_notifiers
=
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
199 static NotifierList machine_init_done_notifiers
=
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
204 enum xen_mode xen_mode
= XEN_EMULATE
;
205 bool xen_domid_restrict
;
207 static int has_defaults
= 1;
208 static int default_serial
= 1;
209 static int default_parallel
= 1;
210 static int default_monitor
= 1;
211 static int default_floppy
= 1;
212 static int default_cdrom
= 1;
213 static int default_sdcard
= 1;
214 static int default_vga
= 1;
215 static int default_net
= 1;
221 { .driver
= "isa-serial", .flag
= &default_serial
},
222 { .driver
= "isa-parallel", .flag
= &default_parallel
},
223 { .driver
= "isa-fdc", .flag
= &default_floppy
},
224 { .driver
= "floppy", .flag
= &default_floppy
},
225 { .driver
= "ide-cd", .flag
= &default_cdrom
},
226 { .driver
= "ide-hd", .flag
= &default_cdrom
},
227 { .driver
= "ide-drive", .flag
= &default_cdrom
},
228 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
229 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
230 { .driver
= "VGA", .flag
= &default_vga
},
231 { .driver
= "isa-vga", .flag
= &default_vga
},
232 { .driver
= "cirrus-vga", .flag
= &default_vga
},
233 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
234 { .driver
= "vmware-svga", .flag
= &default_vga
},
235 { .driver
= "qxl-vga", .flag
= &default_vga
},
236 { .driver
= "virtio-vga", .flag
= &default_vga
},
237 { .driver
= "ati-vga", .flag
= &default_vga
},
238 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
241 static QemuOptsList qemu_rtc_opts
= {
243 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
248 .type
= QEMU_OPT_STRING
,
251 .type
= QEMU_OPT_STRING
,
254 .type
= QEMU_OPT_STRING
,
256 { /* end of list */ }
260 static QemuOptsList qemu_option_rom_opts
= {
261 .name
= "option-rom",
262 .implied_opt_name
= "romfile",
263 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
267 .type
= QEMU_OPT_NUMBER
,
270 .type
= QEMU_OPT_STRING
,
272 { /* end of list */ }
276 static QemuOptsList qemu_machine_opts
= {
278 .implied_opt_name
= "type",
280 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
291 static QemuOptsList qemu_accel_opts
= {
293 .implied_opt_name
= "accel",
294 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
299 .type
= QEMU_OPT_STRING
,
300 .help
= "Select the type of accelerator",
304 .type
= QEMU_OPT_STRING
,
305 .help
= "Enable/disable multi-threaded TCG",
307 { /* end of list */ }
311 static QemuOptsList qemu_boot_opts
= {
313 .implied_opt_name
= "order",
315 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
319 .type
= QEMU_OPT_STRING
,
322 .type
= QEMU_OPT_STRING
,
325 .type
= QEMU_OPT_BOOL
,
328 .type
= QEMU_OPT_STRING
,
330 .name
= "splash-time",
331 .type
= QEMU_OPT_NUMBER
,
333 .name
= "reboot-timeout",
334 .type
= QEMU_OPT_NUMBER
,
337 .type
= QEMU_OPT_BOOL
,
343 static QemuOptsList qemu_add_fd_opts
= {
345 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
349 .type
= QEMU_OPT_NUMBER
,
350 .help
= "file descriptor of which a duplicate is added to fd set",
353 .type
= QEMU_OPT_NUMBER
,
354 .help
= "ID of the fd set to add fd to",
357 .type
= QEMU_OPT_STRING
,
358 .help
= "free-form string used to describe fd",
360 { /* end of list */ }
364 static QemuOptsList qemu_object_opts
= {
366 .implied_opt_name
= "qom-type",
367 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
373 static QemuOptsList qemu_tpmdev_opts
= {
375 .implied_opt_name
= "type",
376 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
383 static QemuOptsList qemu_realtime_opts
= {
385 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
389 .type
= QEMU_OPT_BOOL
,
391 { /* end of list */ }
395 static QemuOptsList qemu_overcommit_opts
= {
396 .name
= "overcommit",
397 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
401 .type
= QEMU_OPT_BOOL
,
405 .type
= QEMU_OPT_BOOL
,
407 { /* end of list */ }
411 static QemuOptsList qemu_msg_opts
= {
413 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
417 .type
= QEMU_OPT_BOOL
,
419 { /* end of list */ }
423 static QemuOptsList qemu_name_opts
= {
425 .implied_opt_name
= "guest",
427 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
431 .type
= QEMU_OPT_STRING
,
432 .help
= "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
437 .type
= QEMU_OPT_STRING
,
438 .help
= "Sets the name of the QEMU process, as shown in top etc",
440 .name
= "debug-threads",
441 .type
= QEMU_OPT_BOOL
,
442 .help
= "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
446 { /* End of list */ }
450 static QemuOptsList qemu_mem_opts
= {
452 .implied_opt_name
= "size",
453 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
458 .type
= QEMU_OPT_SIZE
,
462 .type
= QEMU_OPT_NUMBER
,
466 .type
= QEMU_OPT_SIZE
,
468 { /* end of list */ }
472 static QemuOptsList qemu_icount_opts
= {
474 .implied_opt_name
= "shift",
476 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
480 .type
= QEMU_OPT_STRING
,
483 .type
= QEMU_OPT_BOOL
,
486 .type
= QEMU_OPT_BOOL
,
489 .type
= QEMU_OPT_STRING
,
492 .type
= QEMU_OPT_STRING
,
494 .name
= "rrsnapshot",
495 .type
= QEMU_OPT_STRING
,
497 { /* end of list */ }
501 static QemuOptsList qemu_fw_cfg_opts
= {
503 .implied_opt_name
= "name",
504 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
508 .type
= QEMU_OPT_STRING
,
509 .help
= "Sets the fw_cfg name of the blob to be inserted",
512 .type
= QEMU_OPT_STRING
,
513 .help
= "Sets the name of the file from which "
514 "the fw_cfg blob will be loaded",
517 .type
= QEMU_OPT_STRING
,
518 .help
= "Sets content of the blob to be inserted from a string",
520 { /* end of list */ }
525 * Get machine options
527 * Returns: machine options (never null).
529 QemuOpts
*qemu_get_machine_opts(void)
531 return qemu_find_opts_singleton("machine");
534 const char *qemu_get_vm_name(void)
539 static void res_free(void)
541 g_free(boot_splash_filedata
);
542 boot_splash_filedata
= NULL
;
545 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
547 const char *driver
= qemu_opt_get(opts
, "driver");
552 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
553 if (strcmp(default_list
[i
].driver
, driver
) != 0)
555 *(default_list
[i
].flag
) = 0;
560 /***********************************************************/
563 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
565 /* We use RUN_STATE__MAX but any invalid value will do */
566 static RunState vmstop_requested
= RUN_STATE__MAX
;
567 static QemuMutex vmstop_lock
;
572 } RunStateTransition
;
574 static const RunStateTransition runstate_transitions_def
[] = {
576 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
577 /* Early switch to inmigrate state to allow -incoming CLI option work
578 * as it used to. TODO: delay actual switching to inmigrate state to
579 * the point after machine is built and remove this hack.
581 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
583 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
584 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
585 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
587 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
588 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
600 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
601 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
604 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
605 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
608 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
609 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
611 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
612 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
614 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
615 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
616 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
618 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
619 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
622 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
623 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
624 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
625 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
626 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
628 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
629 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
631 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
633 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
634 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
635 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
636 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
637 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
638 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
639 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
640 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
641 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
642 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
643 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
645 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
647 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
648 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
649 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
651 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
652 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
653 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
654 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
655 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
656 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
658 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
659 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
660 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
661 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
663 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
664 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
665 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
667 { RUN_STATE__MAX
, RUN_STATE__MAX
},
670 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
672 bool runstate_check(RunState state
)
674 return current_run_state
== state
;
677 bool runstate_store(char *str
, size_t size
)
679 const char *state
= RunState_str(current_run_state
);
680 size_t len
= strlen(state
) + 1;
685 memcpy(str
, state
, len
);
689 static void runstate_init(void)
691 const RunStateTransition
*p
;
693 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
694 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
695 runstate_valid_transitions
[p
->from
][p
->to
] = true;
698 qemu_mutex_init(&vmstop_lock
);
701 /* This function will abort() on invalid state transitions */
702 void runstate_set(RunState new_state
)
704 assert(new_state
< RUN_STATE__MAX
);
706 trace_runstate_set(current_run_state
, RunState_str(current_run_state
),
707 new_state
, RunState_str(new_state
));
709 if (current_run_state
== new_state
) {
713 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
714 error_report("invalid runstate transition: '%s' -> '%s'",
715 RunState_str(current_run_state
),
716 RunState_str(new_state
));
720 current_run_state
= new_state
;
723 int runstate_is_running(void)
725 return runstate_check(RUN_STATE_RUNNING
);
728 bool runstate_needs_reset(void)
730 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
731 runstate_check(RUN_STATE_SHUTDOWN
);
734 StatusInfo
*qmp_query_status(Error
**errp
)
736 StatusInfo
*info
= g_malloc0(sizeof(*info
));
738 info
->running
= runstate_is_running();
739 info
->singlestep
= singlestep
;
740 info
->status
= current_run_state
;
745 bool qemu_vmstop_requested(RunState
*r
)
747 qemu_mutex_lock(&vmstop_lock
);
748 *r
= vmstop_requested
;
749 vmstop_requested
= RUN_STATE__MAX
;
750 qemu_mutex_unlock(&vmstop_lock
);
751 return *r
< RUN_STATE__MAX
;
754 void qemu_system_vmstop_request_prepare(void)
756 qemu_mutex_lock(&vmstop_lock
);
759 void qemu_system_vmstop_request(RunState state
)
761 vmstop_requested
= state
;
762 qemu_mutex_unlock(&vmstop_lock
);
766 /***********************************************************/
767 /* RTC reference time/date access */
768 static time_t qemu_ref_timedate(QEMUClockType clock
)
770 time_t value
= qemu_clock_get_ms(clock
) / 1000;
772 case QEMU_CLOCK_REALTIME
:
773 value
-= rtc_realtime_clock_offset
;
775 case QEMU_CLOCK_VIRTUAL
:
776 value
+= rtc_ref_start_datetime
;
778 case QEMU_CLOCK_HOST
:
779 if (rtc_base_type
== RTC_BASE_DATETIME
) {
780 value
-= rtc_host_datetime_offset
;
789 void qemu_get_timedate(struct tm
*tm
, int offset
)
791 time_t ti
= qemu_ref_timedate(rtc_clock
);
795 switch (rtc_base_type
) {
796 case RTC_BASE_DATETIME
:
800 case RTC_BASE_LOCALTIME
:
801 localtime_r(&ti
, tm
);
806 int qemu_timedate_diff(struct tm
*tm
)
810 switch (rtc_base_type
) {
811 case RTC_BASE_DATETIME
:
813 seconds
= mktimegm(tm
);
815 case RTC_BASE_LOCALTIME
:
818 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
819 seconds
= mktime(&tmp
);
826 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
829 static void configure_rtc_base_datetime(const char *startdate
)
831 time_t rtc_start_datetime
;
834 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
835 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
837 } else if (sscanf(startdate
, "%d-%d-%d",
838 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
847 rtc_start_datetime
= mktimegm(&tm
);
848 if (rtc_start_datetime
== -1) {
850 error_report("invalid datetime format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
855 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
856 rtc_ref_start_datetime
= rtc_start_datetime
;
859 static void configure_rtc(QemuOpts
*opts
)
864 rtc_clock
= QEMU_CLOCK_HOST
;
865 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
866 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
868 value
= qemu_opt_get(opts
, "base");
870 if (!strcmp(value
, "utc")) {
871 rtc_base_type
= RTC_BASE_UTC
;
872 } else if (!strcmp(value
, "localtime")) {
873 Error
*blocker
= NULL
;
874 rtc_base_type
= RTC_BASE_LOCALTIME
;
875 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
876 "-rtc base=localtime");
877 replay_add_blocker(blocker
);
879 rtc_base_type
= RTC_BASE_DATETIME
;
880 configure_rtc_base_datetime(value
);
883 value
= qemu_opt_get(opts
, "clock");
885 if (!strcmp(value
, "host")) {
886 rtc_clock
= QEMU_CLOCK_HOST
;
887 } else if (!strcmp(value
, "rt")) {
888 rtc_clock
= QEMU_CLOCK_REALTIME
;
889 } else if (!strcmp(value
, "vm")) {
890 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
892 error_report("invalid option value '%s'", value
);
896 value
= qemu_opt_get(opts
, "driftfix");
898 if (!strcmp(value
, "slew")) {
899 static GlobalProperty slew_lost_ticks
= {
900 .driver
= "mc146818rtc",
901 .property
= "lost_tick_policy",
905 qdev_prop_register_global(&slew_lost_ticks
);
906 } else if (!strcmp(value
, "none")) {
907 /* discard is default */
909 error_report("invalid option value '%s'", value
);
915 /***********************************************************/
916 /* Bluetooth support */
919 static struct HCIInfo
*hci_table
[MAX_NICS
];
921 struct HCIInfo
*qemu_next_hci(void)
923 if (cur_hci
== nb_hcis
)
926 return hci_table
[cur_hci
++];
929 static int bt_hci_parse(const char *str
)
934 if (nb_hcis
>= MAX_NICS
) {
935 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
948 bdaddr
.b
[5] = 0x56 + nb_hcis
;
949 hci
->bdaddr_set(hci
, bdaddr
.b
);
951 hci_table
[nb_hcis
++] = hci
;
956 static void bt_vhci_add(int vlan_id
)
958 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
961 warn_report("adding a VHCI to an empty scatternet %i",
964 bt_vhci_init(bt_new_hci(vlan
));
967 static struct bt_device_s
*bt_device_add(const char *opt
)
969 struct bt_scatternet_s
*vlan
;
971 char *endp
= strstr(opt
, ",vlan=");
972 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
975 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
978 vlan_id
= strtol(endp
+ 6, &endp
, 0);
980 error_report("unrecognised bluetooth vlan Id");
985 vlan
= qemu_find_bt_vlan(vlan_id
);
988 warn_report("adding a slave device to an empty scatternet %i",
991 if (!strcmp(devname
, "keyboard"))
992 return bt_keyboard_init(vlan
);
994 error_report("unsupported bluetooth device '%s'", devname
);
998 static int bt_parse(const char *opt
)
1000 const char *endp
, *p
;
1003 if (strstart(opt
, "hci", &endp
)) {
1004 if (!*endp
|| *endp
== ',') {
1006 if (!strstart(endp
, ",vlan=", 0))
1009 return bt_hci_parse(opt
);
1011 } else if (strstart(opt
, "vhci", &endp
)) {
1012 if (!*endp
|| *endp
== ',') {
1014 if (strstart(endp
, ",vlan=", &p
)) {
1015 vlan
= strtol(p
, (char **) &endp
, 0);
1017 error_report("bad scatternet '%s'", p
);
1021 error_report("bad parameter '%s'", endp
+ 1);
1030 } else if (strstart(opt
, "device:", &endp
))
1031 return !bt_device_add(endp
);
1033 error_report("bad bluetooth parameter '%s'", opt
);
1037 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1039 const char *proc_name
;
1041 if (qemu_opt_get(opts
, "debug-threads")) {
1042 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1044 qemu_name
= qemu_opt_get(opts
, "guest");
1046 proc_name
= qemu_opt_get(opts
, "process");
1048 os_set_proc_name(proc_name
);
1054 bool defaults_enabled(void)
1056 return has_defaults
;
1060 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1062 int fd
, dupfd
, flags
;
1064 const char *fd_opaque
= NULL
;
1067 fd
= qemu_opt_get_number(opts
, "fd", -1);
1068 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1069 fd_opaque
= qemu_opt_get(opts
, "opaque");
1072 error_setg(errp
, "fd option is required and must be non-negative");
1076 if (fd
<= STDERR_FILENO
) {
1077 error_setg(errp
, "fd cannot be a standard I/O stream");
1082 * All fds inherited across exec() necessarily have FD_CLOEXEC
1083 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1085 flags
= fcntl(fd
, F_GETFD
);
1086 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1087 error_setg(errp
, "fd is not valid or already in use");
1092 error_setg(errp
, "set option is required and must be non-negative");
1096 #ifdef F_DUPFD_CLOEXEC
1097 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1101 qemu_set_cloexec(dupfd
);
1105 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1109 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1110 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1117 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1121 fd
= qemu_opt_get_number(opts
, "fd", -1);
1128 /***********************************************************/
1129 /* QEMU Block devices */
1131 #define HD_OPTS "media=disk"
1132 #define CDROM_OPTS "media=cdrom"
1134 #define PFLASH_OPTS ""
1138 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1140 BlockInterfaceType
*block_default_type
= opaque
;
1142 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1145 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1147 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1148 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1153 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1154 int index
, const char *optstr
)
1159 if (!enable
|| drive_get_by_index(type
, index
)) {
1163 opts
= drive_add(type
, index
, NULL
, optstr
);
1165 drive_enable_snapshot(NULL
, opts
, NULL
);
1168 dinfo
= drive_new(opts
, type
, &error_abort
);
1169 dinfo
->is_default
= true;
1173 typedef struct BlockdevOptionsQueueEntry
{
1174 BlockdevOptions
*bdo
;
1176 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
1177 } BlockdevOptionsQueueEntry
;
1179 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
1181 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
1182 MachineClass
*machine_class
, int snapshot
)
1185 * If the currently selected machine wishes to override the
1186 * units-per-bus property of its default HBA interface type, do so
1189 if (machine_class
->units_per_default_bus
) {
1190 override_max_devs(machine_class
->block_default_type
,
1191 machine_class
->units_per_default_bus
);
1194 /* open the virtual block devices */
1195 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
1196 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
1198 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
1199 loc_push_restore(&bdo
->loc
);
1200 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
1202 qapi_free_BlockdevOptions(bdo
->bdo
);
1205 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
1206 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
1209 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
1210 &machine_class
->block_default_type
, &error_fatal
)) {
1211 /* We printed help */
1215 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
1217 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
1218 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
1222 static QemuOptsList qemu_smp_opts
= {
1224 .implied_opt_name
= "cpus",
1225 .merge_lists
= true,
1226 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1230 .type
= QEMU_OPT_NUMBER
,
1233 .type
= QEMU_OPT_NUMBER
,
1236 .type
= QEMU_OPT_NUMBER
,
1239 .type
= QEMU_OPT_NUMBER
,
1242 .type
= QEMU_OPT_NUMBER
,
1244 { /*End of list */ }
1248 static void smp_parse(QemuOpts
*opts
)
1251 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1252 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1253 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1254 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1256 /* compute missing values, prefer sockets over cores over threads */
1257 if (cpus
== 0 || sockets
== 0) {
1258 cores
= cores
> 0 ? cores
: 1;
1259 threads
= threads
> 0 ? threads
: 1;
1261 sockets
= sockets
> 0 ? sockets
: 1;
1262 cpus
= cores
* threads
* sockets
;
1264 current_machine
->smp
.max_cpus
=
1265 qemu_opt_get_number(opts
, "maxcpus", cpus
);
1266 sockets
= current_machine
->smp
.max_cpus
/ (cores
* threads
);
1268 } else if (cores
== 0) {
1269 threads
= threads
> 0 ? threads
: 1;
1270 cores
= cpus
/ (sockets
* threads
);
1271 cores
= cores
> 0 ? cores
: 1;
1272 } else if (threads
== 0) {
1273 threads
= cpus
/ (cores
* sockets
);
1274 threads
= threads
> 0 ? threads
: 1;
1275 } else if (sockets
* cores
* threads
< cpus
) {
1276 error_report("cpu topology: "
1277 "sockets (%u) * cores (%u) * threads (%u) < "
1279 sockets
, cores
, threads
, cpus
);
1283 current_machine
->smp
.max_cpus
=
1284 qemu_opt_get_number(opts
, "maxcpus", cpus
);
1286 if (current_machine
->smp
.max_cpus
< cpus
) {
1287 error_report("maxcpus must be equal to or greater than smp");
1291 if (sockets
* cores
* threads
> current_machine
->smp
.max_cpus
) {
1292 error_report("cpu topology: "
1293 "sockets (%u) * cores (%u) * threads (%u) > "
1295 sockets
, cores
, threads
,
1296 current_machine
->smp
.max_cpus
);
1300 if (sockets
* cores
* threads
!= current_machine
->smp
.max_cpus
) {
1301 warn_report("Invalid CPU topology deprecated: "
1302 "sockets (%u) * cores (%u) * threads (%u) "
1304 sockets
, cores
, threads
,
1305 current_machine
->smp
.max_cpus
);
1308 current_machine
->smp
.cpus
= cpus
;
1309 current_machine
->smp
.cores
= cores
;
1310 current_machine
->smp
.threads
= threads
;
1313 if (current_machine
->smp
.cpus
> 1) {
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 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1409 ObjectProperty
*prop
;
1410 ObjectPropertyIterator iter
;
1412 if (!qemu_opt_has_help_opt(opts
)) {
1416 object_property_iter_init(&iter
, OBJECT(machine
));
1417 while ((prop
= object_property_iter_next(&iter
))) {
1422 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1423 prop
->name
, prop
->type
);
1424 if (prop
->description
) {
1425 printf(" (%s)\n", prop
->description
);
1434 struct vm_change_state_entry
{
1435 VMChangeStateHandler
*cb
;
1437 QLIST_ENTRY (vm_change_state_entry
) entries
;
1440 static QLIST_HEAD(, vm_change_state_entry
) vm_change_state_head
;
1442 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1445 VMChangeStateEntry
*e
;
1447 e
= g_malloc0(sizeof (*e
));
1451 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1455 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1457 QLIST_REMOVE (e
, entries
);
1461 void vm_state_notify(int running
, RunState state
)
1463 VMChangeStateEntry
*e
, *next
;
1465 trace_vm_state_notify(running
, state
, RunState_str(state
));
1467 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1468 e
->cb(e
->opaque
, running
, state
);
1472 static ShutdownCause reset_requested
;
1473 static ShutdownCause shutdown_requested
;
1474 static int shutdown_signal
;
1475 static pid_t shutdown_pid
;
1476 static int powerdown_requested
;
1477 static int debug_requested
;
1478 static int suspend_requested
;
1479 static bool preconfig_exit_requested
= true;
1480 static WakeupReason wakeup_reason
;
1481 static NotifierList powerdown_notifiers
=
1482 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1483 static NotifierList suspend_notifiers
=
1484 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1485 static NotifierList wakeup_notifiers
=
1486 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1487 static NotifierList shutdown_notifiers
=
1488 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers
);
1489 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1491 ShutdownCause
qemu_shutdown_requested_get(void)
1493 return shutdown_requested
;
1496 ShutdownCause
qemu_reset_requested_get(void)
1498 return reset_requested
;
1501 static int qemu_shutdown_requested(void)
1503 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1506 static void qemu_kill_report(void)
1508 if (!qtest_driver() && shutdown_signal
) {
1509 if (shutdown_pid
== 0) {
1510 /* This happens for eg ^C at the terminal, so it's worth
1511 * avoiding printing an odd message in that case.
1513 error_report("terminating on signal %d", shutdown_signal
);
1515 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1517 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1518 shutdown_signal
, shutdown_pid
,
1519 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1520 g_free(shutdown_cmd
);
1522 shutdown_signal
= 0;
1526 static ShutdownCause
qemu_reset_requested(void)
1528 ShutdownCause r
= reset_requested
;
1530 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1531 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1534 return SHUTDOWN_CAUSE_NONE
;
1537 static int qemu_suspend_requested(void)
1539 int r
= suspend_requested
;
1540 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1541 suspend_requested
= 0;
1547 static WakeupReason
qemu_wakeup_requested(void)
1549 return wakeup_reason
;
1552 static int qemu_powerdown_requested(void)
1554 int r
= powerdown_requested
;
1555 powerdown_requested
= 0;
1559 static int qemu_debug_requested(void)
1561 int r
= debug_requested
;
1562 debug_requested
= 0;
1566 void qemu_exit_preconfig_request(void)
1568 preconfig_exit_requested
= true;
1572 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1574 void qemu_system_reset(ShutdownCause reason
)
1578 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1580 cpu_synchronize_all_states();
1582 if (mc
&& mc
->reset
) {
1583 mc
->reset(current_machine
);
1585 qemu_devices_reset();
1587 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1588 qapi_event_send_reset(shutdown_caused_by_guest(reason
), reason
);
1590 cpu_synchronize_all_post_reset();
1593 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1595 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1598 current_cpu
->crash_occurred
= true;
1600 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1602 vm_stop(RUN_STATE_GUEST_PANICKED
);
1604 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1606 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1610 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1611 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1612 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1613 info
->u
.hyper_v
.arg1
,
1614 info
->u
.hyper_v
.arg2
,
1615 info
->u
.hyper_v
.arg3
,
1616 info
->u
.hyper_v
.arg4
,
1617 info
->u
.hyper_v
.arg5
);
1618 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1619 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1620 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1622 S390CrashReason_str(info
->u
.s390
.reason
),
1623 info
->u
.s390
.psw_mask
,
1624 info
->u
.s390
.psw_addr
);
1626 qapi_free_GuestPanicInformation(info
);
1630 void qemu_system_reset_request(ShutdownCause reason
)
1632 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1633 shutdown_requested
= reason
;
1635 reset_requested
= reason
;
1638 qemu_notify_event();
1641 static void qemu_system_suspend(void)
1644 notifier_list_notify(&suspend_notifiers
, NULL
);
1645 runstate_set(RUN_STATE_SUSPENDED
);
1646 qapi_event_send_suspend();
1649 void qemu_system_suspend_request(void)
1651 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1654 suspend_requested
= 1;
1656 qemu_notify_event();
1659 void qemu_register_suspend_notifier(Notifier
*notifier
)
1661 notifier_list_add(&suspend_notifiers
, notifier
);
1664 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
)
1666 trace_system_wakeup_request(reason
);
1668 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1670 "Unable to wake up: guest is not in suspended state");
1673 if (!(wakeup_reason_mask
& (1 << reason
))) {
1676 runstate_set(RUN_STATE_RUNNING
);
1677 wakeup_reason
= reason
;
1678 qemu_notify_event();
1681 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1684 wakeup_reason_mask
|= (1 << reason
);
1686 wakeup_reason_mask
&= ~(1 << reason
);
1690 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1692 notifier_list_add(&wakeup_notifiers
, notifier
);
1695 void qemu_register_wakeup_support(void)
1697 wakeup_suspend_enabled
= true;
1700 bool qemu_wakeup_suspend_enabled(void)
1702 return wakeup_suspend_enabled
;
1705 void qemu_system_killed(int signal
, pid_t pid
)
1707 shutdown_signal
= signal
;
1711 /* Cannot call qemu_system_shutdown_request directly because
1712 * we are in a signal handler.
1714 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1715 qemu_notify_event();
1718 void qemu_system_shutdown_request(ShutdownCause reason
)
1720 trace_qemu_system_shutdown_request(reason
);
1721 replay_shutdown_request(reason
);
1722 shutdown_requested
= reason
;
1723 qemu_notify_event();
1726 static void qemu_system_powerdown(void)
1728 qapi_event_send_powerdown();
1729 notifier_list_notify(&powerdown_notifiers
, NULL
);
1732 static void qemu_system_shutdown(ShutdownCause cause
)
1734 qapi_event_send_shutdown(shutdown_caused_by_guest(cause
), cause
);
1735 notifier_list_notify(&shutdown_notifiers
, &cause
);
1738 void qemu_system_powerdown_request(void)
1740 trace_qemu_system_powerdown_request();
1741 powerdown_requested
= 1;
1742 qemu_notify_event();
1745 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1747 notifier_list_add(&powerdown_notifiers
, notifier
);
1750 void qemu_register_shutdown_notifier(Notifier
*notifier
)
1752 notifier_list_add(&shutdown_notifiers
, notifier
);
1755 void qemu_system_debug_request(void)
1757 debug_requested
= 1;
1758 qemu_notify_event();
1761 static bool main_loop_should_exit(void)
1764 ShutdownCause request
;
1766 if (preconfig_exit_requested
) {
1767 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1768 runstate_set(RUN_STATE_PRELAUNCH
);
1770 preconfig_exit_requested
= false;
1773 if (qemu_debug_requested()) {
1774 vm_stop(RUN_STATE_DEBUG
);
1776 if (qemu_suspend_requested()) {
1777 qemu_system_suspend();
1779 request
= qemu_shutdown_requested();
1782 qemu_system_shutdown(request
);
1784 vm_stop(RUN_STATE_SHUTDOWN
);
1789 request
= qemu_reset_requested();
1792 qemu_system_reset(request
);
1794 if (!runstate_check(RUN_STATE_RUNNING
) &&
1795 !runstate_check(RUN_STATE_INMIGRATE
)) {
1796 runstate_set(RUN_STATE_PRELAUNCH
);
1799 if (qemu_wakeup_requested()) {
1801 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1802 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1803 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1805 qapi_event_send_wakeup();
1807 if (qemu_powerdown_requested()) {
1808 qemu_system_powerdown();
1810 if (qemu_vmstop_requested(&r
)) {
1816 static void main_loop(void)
1818 #ifdef CONFIG_PROFILER
1821 while (!main_loop_should_exit()) {
1822 #ifdef CONFIG_PROFILER
1823 ti
= profile_getclock();
1825 main_loop_wait(false);
1826 #ifdef CONFIG_PROFILER
1827 dev_time
+= profile_getclock() - ti
;
1832 static void version(void)
1834 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1835 QEMU_COPYRIGHT
"\n");
1838 static void help(int exitcode
)
1841 printf("usage: %s [options] [disk_image]\n\n"
1842 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1843 error_get_progname());
1845 #define QEMU_OPTIONS_GENERATE_HELP
1846 #include "qemu-options-wrapper.h"
1848 printf("\nDuring emulation, the following keys are useful:\n"
1849 "ctrl-alt-f toggle full screen\n"
1850 "ctrl-alt-n switch to virtual console 'n'\n"
1851 "ctrl-alt toggle mouse and keyboard grab\n"
1853 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1855 QEMU_HELP_BOTTOM
"\n");
1860 #define HAS_ARG 0x0001
1862 typedef struct QEMUOption
{
1869 static const QEMUOption qemu_options
[] = {
1870 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1871 #define QEMU_OPTIONS_GENERATE_OPTIONS
1872 #include "qemu-options-wrapper.h"
1876 typedef struct VGAInterfaceInfo
{
1877 const char *opt_name
; /* option name */
1878 const char *name
; /* human-readable name */
1879 /* Class names indicating that support is available.
1880 * If no class is specified, the interface is always available */
1881 const char *class_names
[2];
1884 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1887 .name
= "no graphic card",
1891 .name
= "standard VGA",
1892 .class_names
= { "VGA", "isa-vga" },
1895 .opt_name
= "cirrus",
1896 .name
= "Cirrus VGA",
1897 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1900 .opt_name
= "vmware",
1901 .name
= "VMWare SVGA",
1902 .class_names
= { "vmware-svga" },
1905 .opt_name
= "virtio",
1906 .name
= "Virtio VGA",
1907 .class_names
= { "virtio-vga" },
1912 .class_names
= { "qxl-vga" },
1916 .name
= "TCX framebuffer",
1917 .class_names
= { "SUNW,tcx" },
1921 .name
= "CG3 framebuffer",
1922 .class_names
= { "cgthree" },
1925 .opt_name
= "xenfb",
1926 .name
= "Xen paravirtualized framebuffer",
1930 static bool vga_interface_available(VGAInterfaceType t
)
1932 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1934 assert(t
< VGA_TYPE_MAX
);
1935 return !ti
->class_names
[0] ||
1936 object_class_by_name(ti
->class_names
[0]) ||
1937 object_class_by_name(ti
->class_names
[1]);
1941 get_default_vga_model(const MachineClass
*machine_class
)
1943 if (machine_class
->default_display
) {
1944 return machine_class
->default_display
;
1945 } else if (vga_interface_available(VGA_CIRRUS
)) {
1947 } else if (vga_interface_available(VGA_STD
)) {
1954 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
1959 if (g_str_equal(p
, "help")) {
1960 const char *def
= get_default_vga_model(machine_class
);
1962 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1963 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1965 if (vga_interface_available(t
) && ti
->opt_name
) {
1966 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
1967 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
1973 assert(vga_interface_type
== VGA_NONE
);
1974 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1975 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1976 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1977 if (!vga_interface_available(t
)) {
1978 error_report("%s not available", ti
->name
);
1981 vga_interface_type
= t
;
1985 if (t
== VGA_TYPE_MAX
) {
1987 error_report("unknown vga type: %s", p
);
1991 const char *nextopt
;
1993 if (strstart(opts
, ",retrace=", &nextopt
)) {
1995 if (strstart(opts
, "dumb", &nextopt
))
1996 vga_retrace_method
= VGA_RETRACE_DUMB
;
1997 else if (strstart(opts
, "precise", &nextopt
))
1998 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1999 else goto invalid_vga
;
2000 } else goto invalid_vga
;
2005 static void parse_display_qapi(const char *optarg
)
2007 DisplayOptions
*opts
;
2010 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
2012 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2013 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2015 qapi_free_DisplayOptions(opts
);
2019 DisplayOptions
*qmp_query_display_options(Error
**errp
)
2021 return QAPI_CLONE(DisplayOptions
, &dpy
);
2024 static void parse_display(const char *p
)
2028 if (strstart(p
, "sdl", &opts
)) {
2030 * sdl DisplayType needs hand-crafted parser instead of
2031 * parse_display_qapi() due to some options not in
2032 * DisplayOptions, specifically:
2034 * Already deprecated.
2035 * - ctrl_grab + alt_grab
2036 * Not clear yet what happens to them long-term. Should
2037 * replaced by something better or deprecated and dropped.
2039 dpy
.type
= DISPLAY_TYPE_SDL
;
2041 const char *nextopt
;
2043 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2045 if (strstart(opts
, "on", &nextopt
)) {
2047 } else if (strstart(opts
, "off", &nextopt
)) {
2050 goto invalid_sdl_args
;
2052 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2054 if (strstart(opts
, "on", &nextopt
)) {
2056 } else if (strstart(opts
, "off", &nextopt
)) {
2059 goto invalid_sdl_args
;
2061 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2063 dpy
.has_window_close
= true;
2064 if (strstart(opts
, "on", &nextopt
)) {
2065 dpy
.window_close
= true;
2066 } else if (strstart(opts
, "off", &nextopt
)) {
2067 dpy
.window_close
= false;
2069 goto invalid_sdl_args
;
2071 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2074 if (strstart(opts
, "on", &nextopt
)) {
2075 dpy
.gl
= DISPLAYGL_MODE_ON
;
2076 } else if (strstart(opts
, "core", &nextopt
)) {
2077 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2078 } else if (strstart(opts
, "es", &nextopt
)) {
2079 dpy
.gl
= DISPLAYGL_MODE_ES
;
2080 } else if (strstart(opts
, "off", &nextopt
)) {
2081 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2083 goto invalid_sdl_args
;
2087 error_report("invalid SDL option string");
2092 } else if (strstart(p
, "vnc", &opts
)) {
2094 * vnc isn't a (local) DisplayType but a protocol for remote
2098 vnc_parse(opts
+ 1, &error_fatal
);
2100 error_report("VNC requires a display argument vnc=<display>");
2104 parse_display_qapi(p
);
2108 char *qemu_find_file(int type
, const char *name
)
2114 /* Try the name as a straight path first */
2115 if (access(name
, R_OK
) == 0) {
2116 trace_load_file(name
, name
);
2117 return g_strdup(name
);
2121 case QEMU_FILE_TYPE_BIOS
:
2124 case QEMU_FILE_TYPE_KEYMAP
:
2125 subdir
= "keymaps/";
2131 for (i
= 0; i
< data_dir_idx
; i
++) {
2132 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2133 if (access(buf
, R_OK
) == 0) {
2134 trace_load_file(name
, buf
);
2142 static void qemu_add_data_dir(const char *path
)
2149 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2152 for (i
= 0; i
< data_dir_idx
; i
++) {
2153 if (strcmp(data_dir
[i
], path
) == 0) {
2154 return; /* duplicate */
2157 data_dir
[data_dir_idx
++] = g_strdup(path
);
2160 static inline bool nonempty_str(const char *str
)
2165 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2169 const char *name
, *file
, *str
;
2170 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2172 if (fw_cfg
== NULL
) {
2173 error_setg(errp
, "fw_cfg device not available");
2176 name
= qemu_opt_get(opts
, "name");
2177 file
= qemu_opt_get(opts
, "file");
2178 str
= qemu_opt_get(opts
, "string");
2180 /* we need name and either a file or the content string */
2181 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2182 error_setg(errp
, "invalid argument(s)");
2185 if (nonempty_str(file
) && nonempty_str(str
)) {
2186 error_setg(errp
, "file and string are mutually exclusive");
2189 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2190 error_setg(errp
, "name too long (max. %d char)",
2191 FW_CFG_MAX_FILE_PATH
- 1);
2194 if (strncmp(name
, "opt/", 4) != 0) {
2195 warn_report("externally provided fw_cfg item names "
2196 "should be prefixed with \"opt/\"");
2198 if (nonempty_str(str
)) {
2199 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2200 buf
= g_memdup(str
, size
);
2203 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
2204 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
2209 /* For legacy, keep user files in a specific global order. */
2210 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2211 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2212 fw_cfg_reset_order_override(fw_cfg
);
2216 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2218 return qdev_device_help(opts
);
2221 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2225 dev
= qdev_device_add(opts
, errp
);
2229 object_unref(OBJECT(dev
));
2233 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2235 Error
*local_err
= NULL
;
2237 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
2239 error_propagate(errp
, local_err
);
2247 #ifdef CONFIG_VIRTFS
2248 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2250 return qemu_fsdev_add(opts
, errp
);
2254 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2258 bool pretty
= false;
2259 const char *chardev
;
2262 mode
= qemu_opt_get(opts
, "mode");
2266 if (strcmp(mode
, "readline") == 0) {
2268 } else if (strcmp(mode
, "control") == 0) {
2271 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2275 if (!qmp
&& qemu_opt_get(opts
, "pretty")) {
2276 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2277 "and will be removed in future versions");
2279 if (qemu_opt_get_bool(opts
, "pretty", 0)) {
2283 chardev
= qemu_opt_get(opts
, "chardev");
2285 error_report("chardev is required");
2288 chr
= qemu_chr_find(chardev
);
2290 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2295 monitor_init_qmp(chr
, pretty
);
2297 monitor_init_hmp(chr
, true);
2302 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2304 static int monitor_device_index
= 0;
2309 if (strstart(optarg
, "chardev:", &p
)) {
2310 snprintf(label
, sizeof(label
), "%s", p
);
2312 snprintf(label
, sizeof(label
), "compat_monitor%d",
2313 monitor_device_index
);
2314 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2316 error_report("parse error: %s", optarg
);
2321 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2322 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2323 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2324 if (!strcmp(mode
, "control")) {
2325 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2327 assert(pretty
== false);
2329 monitor_device_index
++;
2332 struct device_config
{
2334 DEV_USB
, /* -usbdevice */
2336 DEV_SERIAL
, /* -serial */
2337 DEV_PARALLEL
, /* -parallel */
2338 DEV_DEBUGCON
, /* -debugcon */
2339 DEV_GDB
, /* -gdb, -s */
2340 DEV_SCLP
, /* s390 sclp */
2342 const char *cmdline
;
2344 QTAILQ_ENTRY(device_config
) next
;
2347 static QTAILQ_HEAD(, device_config
) device_configs
=
2348 QTAILQ_HEAD_INITIALIZER(device_configs
);
2350 static void add_device_config(int type
, const char *cmdline
)
2352 struct device_config
*conf
;
2354 conf
= g_malloc0(sizeof(*conf
));
2356 conf
->cmdline
= cmdline
;
2357 loc_save(&conf
->loc
);
2358 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2361 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2363 struct device_config
*conf
;
2366 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2367 if (conf
->type
!= type
)
2369 loc_push_restore(&conf
->loc
);
2370 rc
= func(conf
->cmdline
);
2371 loc_pop(&conf
->loc
);
2379 static int serial_parse(const char *devname
)
2381 int index
= num_serial_hds
;
2384 if (strcmp(devname
, "none") == 0)
2386 snprintf(label
, sizeof(label
), "serial%d", index
);
2387 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2389 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2390 if (!serial_hds
[index
]) {
2391 error_report("could not connect serial device"
2392 " to character backend '%s'", devname
);
2399 Chardev
*serial_hd(int i
)
2402 if (i
< num_serial_hds
) {
2403 return serial_hds
[i
];
2408 int serial_max_hds(void)
2410 return num_serial_hds
;
2413 static int parallel_parse(const char *devname
)
2415 static int index
= 0;
2418 if (strcmp(devname
, "none") == 0)
2420 if (index
== MAX_PARALLEL_PORTS
) {
2421 error_report("too many parallel ports");
2424 snprintf(label
, sizeof(label
), "parallel%d", index
);
2425 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2426 if (!parallel_hds
[index
]) {
2427 error_report("could not connect parallel device"
2428 " to character backend '%s'", devname
);
2435 static int debugcon_parse(const char *devname
)
2439 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
2440 error_report("invalid character backend '%s'", devname
);
2443 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2445 error_report("already have a debugcon device");
2448 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2449 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2453 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2455 const MachineClass
*mc1
= a
, *mc2
= b
;
2458 if (mc1
->family
== NULL
) {
2459 if (mc2
->family
== NULL
) {
2460 /* Compare standalone machine types against each other; they sort
2461 * in increasing order.
2463 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2464 object_class_get_name(OBJECT_CLASS(mc2
)));
2467 /* Standalone machine types sort after families. */
2471 if (mc2
->family
== NULL
) {
2472 /* Families sort before standalone machine types. */
2476 /* Families sort between each other alphabetically increasingly. */
2477 res
= strcmp(mc1
->family
, mc2
->family
);
2482 /* Within the same family, machine types sort in decreasing order. */
2483 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2484 object_class_get_name(OBJECT_CLASS(mc1
)));
2487 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
2492 if (is_help_option(name
)) {
2493 printf("Supported machines are:\n");
2494 machines
= g_slist_sort(machines
, machine_class_cmp
);
2495 for (el
= machines
; el
; el
= el
->next
) {
2496 MachineClass
*mc
= el
->data
;
2498 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2500 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2501 mc
->is_default
? " (default)" : "",
2502 mc
->deprecation_reason
? " (deprecated)" : "");
2507 mc
= find_machine(name
, machines
);
2509 error_report("unsupported machine type");
2510 error_printf("Use -machine help to list supported machines\n");
2516 void qemu_add_exit_notifier(Notifier
*notify
)
2518 notifier_list_add(&exit_notifiers
, notify
);
2521 void qemu_remove_exit_notifier(Notifier
*notify
)
2523 notifier_remove(notify
);
2526 static void qemu_run_exit_notifiers(void)
2528 notifier_list_notify(&exit_notifiers
, NULL
);
2531 static const char *pid_file
;
2532 static Notifier qemu_unlink_pidfile_notifier
;
2534 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2541 bool machine_init_done
;
2543 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2545 notifier_list_add(&machine_init_done_notifiers
, notify
);
2546 if (machine_init_done
) {
2547 notify
->notify(notify
, NULL
);
2551 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2553 notifier_remove(notify
);
2556 static void qemu_run_machine_init_done_notifiers(void)
2558 machine_init_done
= true;
2559 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2562 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2563 const char **poptarg
, int *poptind
)
2565 const QEMUOption
*popt
;
2566 int optind
= *poptind
;
2567 char *r
= argv
[optind
];
2570 loc_set_cmdline(argv
, optind
, 1);
2572 /* Treat --foo the same as -foo. */
2575 popt
= qemu_options
;
2578 error_report("invalid option");
2581 if (!strcmp(popt
->name
, r
+ 1))
2585 if (popt
->flags
& HAS_ARG
) {
2586 if (optind
>= argc
) {
2587 error_report("requires an argument");
2590 optarg
= argv
[optind
++];
2591 loc_set_cmdline(argv
, optind
- 2, 2);
2602 static MachineClass
*select_machine(void)
2604 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
2605 MachineClass
*machine_class
= find_default_machine(machines
);
2610 loc_push_none(&loc
);
2612 opts
= qemu_get_machine_opts();
2613 qemu_opts_loc_restore(opts
);
2615 optarg
= qemu_opt_get(opts
, "type");
2617 machine_class
= machine_parse(optarg
, machines
);
2620 if (!machine_class
) {
2621 error_report("No machine specified, and there is no default");
2622 error_printf("Use -machine help to list supported machines\n");
2627 g_slist_free(machines
);
2628 return machine_class
;
2631 static int machine_set_property(void *opaque
,
2632 const char *name
, const char *value
,
2635 Object
*obj
= OBJECT(opaque
);
2636 Error
*local_err
= NULL
;
2639 if (strcmp(name
, "type") == 0) {
2643 qom_name
= g_strdup(name
);
2644 for (p
= qom_name
; *p
; p
++) {
2650 object_property_parse(obj
, value
, qom_name
, &local_err
);
2654 error_propagate(errp
, local_err
);
2663 * Initial object creation happens before all other
2664 * QEMU data types are created. The majority of objects
2665 * can be created at this point. The rng-egd object
2666 * cannot be created here, as it depends on the chardev
2669 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2673 if (is_help_option(type
)) {
2676 printf("List of user creatable objects:\n");
2677 list
= object_class_get_list_sorted(TYPE_USER_CREATABLE
, false);
2678 for (l
= list
; l
!= NULL
; l
= l
->next
) {
2679 ObjectClass
*oc
= OBJECT_CLASS(l
->data
);
2680 printf(" %s\n", object_class_get_name(oc
));
2686 klass
= object_class_by_name(type
);
2687 if (klass
&& qemu_opt_has_help_opt(opts
)) {
2688 ObjectPropertyIterator iter
;
2689 ObjectProperty
*prop
;
2690 GPtrArray
*array
= g_ptr_array_new();
2693 object_class_property_iter_init(&iter
, klass
);
2694 while ((prop
= object_property_iter_next(&iter
))) {
2701 str
= g_string_new(NULL
);
2702 g_string_append_printf(str
, " %s=<%s>", prop
->name
, prop
->type
);
2703 if (prop
->description
) {
2704 if (str
->len
< 24) {
2705 g_string_append_printf(str
, "%*s", 24 - (int)str
->len
, "");
2707 g_string_append_printf(str
, " - %s", prop
->description
);
2709 g_ptr_array_add(array
, g_string_free(str
, false));
2711 g_ptr_array_sort(array
, (GCompareFunc
)qemu_pstrcmp0
);
2712 if (array
->len
> 0) {
2713 printf("%s options:\n", type
);
2715 printf("There are no options for %s.\n", type
);
2717 for (i
= 0; i
< array
->len
; i
++) {
2718 printf("%s\n", (char *)array
->pdata
[i
]);
2720 g_ptr_array_set_free_func(array
, g_free
);
2721 g_ptr_array_free(array
, true);
2726 * Objects should not be made "delayed" without a reason. If you
2727 * add one, state the reason in a comment!
2730 /* Reason: rng-egd property "chardev" */
2731 if (g_str_equal(type
, "rng-egd")) {
2735 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2736 /* Reason: cryptodev-vhost-user property "chardev" */
2737 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2743 * Reason: filter-* property "netdev" etc.
2745 if (g_str_equal(type
, "filter-buffer") ||
2746 g_str_equal(type
, "filter-dump") ||
2747 g_str_equal(type
, "filter-mirror") ||
2748 g_str_equal(type
, "filter-redirector") ||
2749 g_str_equal(type
, "colo-compare") ||
2750 g_str_equal(type
, "filter-rewriter") ||
2751 g_str_equal(type
, "filter-replay")) {
2755 /* Memory allocation by backends needs to be done
2756 * after configure_accelerator() (due to the tcg_enabled()
2757 * checks at memory_region_init_*()).
2759 * Also, allocation of large amounts of memory may delay
2760 * chardev initialization for too long, and trigger timeouts
2761 * on software that waits for a monitor socket to be created
2764 if (g_str_has_prefix(type
, "memory-backend-")) {
2773 * The remainder of object creation happens after the
2774 * creation of chardev, fsdev, net clients and device data types.
2776 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2778 return !object_create_initial(type
, opts
);
2782 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2786 const char *mem_str
;
2787 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2788 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2791 loc_push_none(&loc
);
2792 qemu_opts_loc_restore(opts
);
2795 mem_str
= qemu_opt_get(opts
, "size");
2798 error_report("missing 'size' option value");
2802 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2804 /* Fix up legacy suffix-less format */
2805 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2806 uint64_t overflow_check
= sz
;
2809 if (sz
/ MiB
!= overflow_check
) {
2810 error_report("too large 'size' option value");
2816 /* backward compatibility behaviour for case "-m 0" */
2818 sz
= default_ram_size
;
2821 sz
= QEMU_ALIGN_UP(sz
, 8192);
2823 if (ram_size
!= sz
) {
2824 error_report("ram size too large");
2828 /* store value for the future use */
2829 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2830 *maxram_size
= ram_size
;
2832 if (qemu_opt_get(opts
, "maxmem")) {
2835 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2836 slots
= qemu_opt_get_number(opts
, "slots", 0);
2837 if (sz
< ram_size
) {
2838 error_report("invalid value of -m option maxmem: "
2839 "maximum memory size (0x%" PRIx64
") must be at least "
2840 "the initial memory size (0x" RAM_ADDR_FMT
")",
2843 } else if (slots
&& sz
== ram_size
) {
2844 error_report("invalid value of -m option maxmem: "
2845 "memory slots were specified but maximum memory size "
2846 "(0x%" PRIx64
") is equal to the initial memory size "
2847 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2853 } else if (qemu_opt_get(opts
, "slots")) {
2854 error_report("invalid -m option value: missing 'maxmem' option");
2861 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2865 g
= g_malloc0(sizeof(*g
));
2866 g
->driver
= qemu_opt_get(opts
, "driver");
2867 g
->property
= qemu_opt_get(opts
, "property");
2868 g
->value
= qemu_opt_get(opts
, "value");
2869 qdev_prop_register_global(g
);
2873 static int qemu_read_default_config_file(void)
2877 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2878 if (ret
< 0 && ret
!= -ENOENT
) {
2885 static void user_register_global_props(void)
2887 qemu_opts_foreach(qemu_find_opts("global"),
2888 global_init_func
, NULL
, NULL
);
2891 int main(int argc
, char **argv
, char **envp
)
2894 int snapshot
, linux_boot
;
2895 const char *initrd_filename
;
2896 const char *kernel_filename
, *kernel_cmdline
;
2897 const char *boot_order
= NULL
;
2898 const char *boot_once
= NULL
;
2900 QemuOpts
*opts
, *machine_opts
;
2901 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2902 QemuOptsList
*olist
;
2905 const char *loadvm
= NULL
;
2906 MachineClass
*machine_class
;
2907 const char *cpu_option
;
2908 const char *vga_model
= NULL
;
2909 const char *qtest_chrdev
= NULL
;
2910 const char *qtest_log
= NULL
;
2911 const char *incoming
= NULL
;
2912 bool userconfig
= true;
2913 bool nographic
= false;
2914 int display_remote
= 0;
2915 const char *log_mask
= NULL
;
2916 const char *log_file
= NULL
;
2917 char *trace_file
= NULL
;
2918 ram_addr_t maxram_size
;
2919 uint64_t ram_slots
= 0;
2920 FILE *vmstate_dump_file
= NULL
;
2921 Error
*main_loop_err
= NULL
;
2923 bool list_data_dirs
= false;
2925 BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2927 error_init(argv
[0]);
2928 module_call_init(MODULE_INIT_TRACE
);
2930 qemu_init_cpu_list();
2931 qemu_init_cpu_loop();
2933 qemu_mutex_lock_iothread();
2935 atexit(qemu_run_exit_notifiers
);
2936 qemu_init_exec_dir(argv
[0]);
2938 module_call_init(MODULE_INIT_QOM
);
2940 qemu_add_opts(&qemu_drive_opts
);
2941 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2942 qemu_add_drive_opts(&qemu_common_drive_opts
);
2943 qemu_add_drive_opts(&qemu_drive_opts
);
2944 qemu_add_drive_opts(&bdrv_runtime_opts
);
2945 qemu_add_opts(&qemu_chardev_opts
);
2946 qemu_add_opts(&qemu_device_opts
);
2947 qemu_add_opts(&qemu_netdev_opts
);
2948 qemu_add_opts(&qemu_nic_opts
);
2949 qemu_add_opts(&qemu_net_opts
);
2950 qemu_add_opts(&qemu_rtc_opts
);
2951 qemu_add_opts(&qemu_global_opts
);
2952 qemu_add_opts(&qemu_mon_opts
);
2953 qemu_add_opts(&qemu_trace_opts
);
2954 qemu_add_opts(&qemu_option_rom_opts
);
2955 qemu_add_opts(&qemu_machine_opts
);
2956 qemu_add_opts(&qemu_accel_opts
);
2957 qemu_add_opts(&qemu_mem_opts
);
2958 qemu_add_opts(&qemu_smp_opts
);
2959 qemu_add_opts(&qemu_boot_opts
);
2960 qemu_add_opts(&qemu_add_fd_opts
);
2961 qemu_add_opts(&qemu_object_opts
);
2962 qemu_add_opts(&qemu_tpmdev_opts
);
2963 qemu_add_opts(&qemu_realtime_opts
);
2964 qemu_add_opts(&qemu_overcommit_opts
);
2965 qemu_add_opts(&qemu_msg_opts
);
2966 qemu_add_opts(&qemu_name_opts
);
2967 qemu_add_opts(&qemu_numa_opts
);
2968 qemu_add_opts(&qemu_icount_opts
);
2969 qemu_add_opts(&qemu_semihosting_config_opts
);
2970 qemu_add_opts(&qemu_fw_cfg_opts
);
2971 module_call_init(MODULE_INIT_OPTS
);
2974 precopy_infrastructure_init();
2975 postcopy_infrastructure_init();
2976 monitor_init_globals();
2978 if (qcrypto_init(&err
) < 0) {
2979 error_reportf_err(err
, "cannot initialize crypto: ");
2983 QLIST_INIT (&vm_change_state_head
);
2984 os_setup_early_signal_handling();
2991 bdrv_init_with_whitelist();
2995 /* first pass of option parsing */
2997 while (optind
< argc
) {
2998 if (argv
[optind
][0] != '-') {
3002 const QEMUOption
*popt
;
3004 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3005 switch (popt
->index
) {
3006 case QEMU_OPTION_nouserconfig
:
3014 if (qemu_read_default_config_file() < 0) {
3019 /* second pass of option parsing */
3024 if (argv
[optind
][0] != '-') {
3025 loc_set_cmdline(argv
, optind
, 1);
3026 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3028 const QEMUOption
*popt
;
3030 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3031 if (!(popt
->arch_mask
& arch_type
)) {
3032 error_report("Option not supported for this target");
3035 switch(popt
->index
) {
3036 case QEMU_OPTION_cpu
:
3037 /* hw initialization will check this */
3038 cpu_option
= optarg
;
3040 case QEMU_OPTION_hda
:
3041 case QEMU_OPTION_hdb
:
3042 case QEMU_OPTION_hdc
:
3043 case QEMU_OPTION_hdd
:
3044 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3047 case QEMU_OPTION_blockdev
:
3050 BlockdevOptionsQueueEntry
*bdo
;
3052 v
= qobject_input_visitor_new_str(optarg
, "driver",
3055 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
3056 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3059 loc_save(&bdo
->loc
);
3060 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3063 case QEMU_OPTION_drive
:
3064 if (drive_def(optarg
) == NULL
) {
3068 case QEMU_OPTION_set
:
3069 if (qemu_set_option(optarg
) != 0)
3072 case QEMU_OPTION_global
:
3073 if (qemu_global_option(optarg
) != 0)
3076 case QEMU_OPTION_mtdblock
:
3077 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3079 case QEMU_OPTION_sd
:
3080 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3082 case QEMU_OPTION_pflash
:
3083 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3085 case QEMU_OPTION_snapshot
:
3088 case QEMU_OPTION_numa
:
3089 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3095 case QEMU_OPTION_display
:
3096 parse_display(optarg
);
3098 case QEMU_OPTION_nographic
:
3099 olist
= qemu_find_opts("machine");
3100 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3102 dpy
.type
= DISPLAY_TYPE_NONE
;
3104 case QEMU_OPTION_curses
:
3105 #ifdef CONFIG_CURSES
3106 dpy
.type
= DISPLAY_TYPE_CURSES
;
3108 error_report("curses or iconv support is disabled");
3112 case QEMU_OPTION_portrait
:
3113 graphic_rotate
= 90;
3115 case QEMU_OPTION_rotate
:
3116 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3117 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3118 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3119 error_report("only 90, 180, 270 deg rotation is available");
3123 case QEMU_OPTION_kernel
:
3124 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3127 case QEMU_OPTION_initrd
:
3128 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3131 case QEMU_OPTION_append
:
3132 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3135 case QEMU_OPTION_dtb
:
3136 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3139 case QEMU_OPTION_cdrom
:
3140 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3142 case QEMU_OPTION_boot
:
3143 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3149 case QEMU_OPTION_fda
:
3150 case QEMU_OPTION_fdb
:
3151 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3154 case QEMU_OPTION_no_fd_bootchk
:
3157 case QEMU_OPTION_netdev
:
3159 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3163 case QEMU_OPTION_nic
:
3165 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3169 case QEMU_OPTION_net
:
3171 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3175 #ifdef CONFIG_LIBISCSI
3176 case QEMU_OPTION_iscsi
:
3177 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3184 case QEMU_OPTION_bt
:
3185 warn_report("The bluetooth subsystem is deprecated and will "
3186 "be removed soon. If the bluetooth subsystem is "
3187 "still useful for you, please send a mail to "
3188 "qemu-devel@nongnu.org with your usecase.");
3189 add_device_config(DEV_BT
, optarg
);
3191 case QEMU_OPTION_audio_help
:
3192 audio_legacy_help();
3195 case QEMU_OPTION_audiodev
:
3196 audio_parse_option(optarg
);
3198 case QEMU_OPTION_soundhw
:
3199 select_soundhw (optarg
);
3204 case QEMU_OPTION_version
:
3209 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3216 case QEMU_OPTION_tpmdev
:
3217 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3222 case QEMU_OPTION_mempath
:
3225 case QEMU_OPTION_mem_prealloc
:
3234 case QEMU_OPTION_DFILTER
:
3235 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3237 case QEMU_OPTION_seed
:
3238 qemu_guest_random_seed_main(optarg
, &error_fatal
);
3241 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3243 case QEMU_OPTION_gdb
:
3244 add_device_config(DEV_GDB
, optarg
);
3247 if (is_help_option(optarg
)) {
3248 list_data_dirs
= true;
3250 qemu_add_data_dir(optarg
);
3253 case QEMU_OPTION_bios
:
3254 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3257 case QEMU_OPTION_singlestep
:
3264 keyboard_layout
= optarg
;
3266 case QEMU_OPTION_vga
:
3275 w
= strtol(p
, (char **)&p
, 10);
3278 error_report("invalid resolution or depth");
3284 h
= strtol(p
, (char **)&p
, 10);
3289 depth
= strtol(p
, (char **)&p
, 10);
3290 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3291 depth
!= 24 && depth
!= 32)
3293 } else if (*p
== '\0') {
3294 depth
= graphic_depth
;
3301 graphic_depth
= depth
;
3304 case QEMU_OPTION_echr
:
3307 term_escape_char
= strtol(optarg
, &r
, 0);
3309 printf("Bad argument to echr\n");
3312 case QEMU_OPTION_monitor
:
3313 default_monitor
= 0;
3314 if (strncmp(optarg
, "none", 4)) {
3315 monitor_parse(optarg
, "readline", false);
3318 case QEMU_OPTION_qmp
:
3319 monitor_parse(optarg
, "control", false);
3320 default_monitor
= 0;
3322 case QEMU_OPTION_qmp_pretty
:
3323 monitor_parse(optarg
, "control", true);
3324 default_monitor
= 0;
3326 case QEMU_OPTION_mon
:
3327 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3332 default_monitor
= 0;
3334 case QEMU_OPTION_chardev
:
3335 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3341 case QEMU_OPTION_fsdev
:
3342 olist
= qemu_find_opts("fsdev");
3344 error_report("fsdev support is disabled");
3347 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3352 case QEMU_OPTION_virtfs
: {
3355 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3357 olist
= qemu_find_opts("virtfs");
3359 error_report("virtfs support is disabled");
3362 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3367 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3368 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3369 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3372 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3373 qemu_opts_id(opts
) ?:
3374 qemu_opt_get(opts
, "mount_tag"),
3377 error_report("duplicate or invalid fsdev id: %s",
3378 qemu_opt_get(opts
, "mount_tag"));
3382 writeout
= qemu_opt_get(opts
, "writeout");
3384 #ifdef CONFIG_SYNC_FILE_RANGE
3385 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3387 error_report("writeout=immediate not supported "
3388 "on this platform");
3392 qemu_opt_set(fsdev
, "fsdriver",
3393 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3394 path
= qemu_opt_get(opts
, "path");
3396 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3398 security_model
= qemu_opt_get(opts
, "security_model");
3399 if (security_model
) {
3400 qemu_opt_set(fsdev
, "security_model", security_model
,
3403 socket
= qemu_opt_get(opts
, "socket");
3405 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3407 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3409 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3412 qemu_opt_set_bool(fsdev
, "readonly",
3413 qemu_opt_get_bool(opts
, "readonly", 0),
3415 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3417 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3418 qemu_opt_set(device
, "fsdev",
3419 qemu_opts_id(fsdev
), &error_abort
);
3420 qemu_opt_set(device
, "mount_tag",
3421 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3424 case QEMU_OPTION_virtfs_synth
: {
3428 warn_report("'-virtfs_synth' is deprecated, please use "
3429 "'-fsdev synth' and '-device virtio-9p-...' "
3432 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3435 error_report("duplicate option: %s", "virtfs_synth");
3438 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3440 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3442 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3443 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3444 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3447 case QEMU_OPTION_serial
:
3448 add_device_config(DEV_SERIAL
, optarg
);
3450 if (strncmp(optarg
, "mon:", 4) == 0) {
3451 default_monitor
= 0;
3454 case QEMU_OPTION_watchdog
:
3456 error_report("only one watchdog option may be given");
3461 case QEMU_OPTION_watchdog_action
:
3462 if (select_watchdog_action(optarg
) == -1) {
3463 error_report("unknown -watchdog-action parameter");
3467 case QEMU_OPTION_parallel
:
3468 add_device_config(DEV_PARALLEL
, optarg
);
3469 default_parallel
= 0;
3470 if (strncmp(optarg
, "mon:", 4) == 0) {
3471 default_monitor
= 0;
3474 case QEMU_OPTION_debugcon
:
3475 add_device_config(DEV_DEBUGCON
, optarg
);
3477 case QEMU_OPTION_loadvm
:
3480 case QEMU_OPTION_full_screen
:
3481 dpy
.has_full_screen
= true;
3482 dpy
.full_screen
= true;
3484 case QEMU_OPTION_alt_grab
:
3487 case QEMU_OPTION_ctrl_grab
:
3490 case QEMU_OPTION_no_quit
:
3491 dpy
.has_window_close
= true;
3492 dpy
.window_close
= false;
3494 case QEMU_OPTION_sdl
:
3496 dpy
.type
= DISPLAY_TYPE_SDL
;
3499 error_report("SDL support is disabled");
3502 case QEMU_OPTION_pidfile
:
3505 case QEMU_OPTION_win2k_hack
:
3506 win2k_install_hack
= 1;
3508 case QEMU_OPTION_acpitable
:
3509 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3514 acpi_table_add(opts
, &error_fatal
);
3516 case QEMU_OPTION_smbios
:
3517 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3522 smbios_entry_add(opts
, &error_fatal
);
3524 case QEMU_OPTION_fwcfg
:
3525 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3531 case QEMU_OPTION_preconfig
:
3532 preconfig_exit_requested
= false;
3534 case QEMU_OPTION_enable_kvm
:
3535 olist
= qemu_find_opts("machine");
3536 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3539 case QEMU_OPTION_machine
:
3540 olist
= qemu_find_opts("machine");
3541 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3546 case QEMU_OPTION_no_kvm
:
3547 olist
= qemu_find_opts("machine");
3548 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3550 case QEMU_OPTION_accel
:
3551 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3553 optarg
= qemu_opt_get(accel_opts
, "accel");
3554 if (!optarg
|| is_help_option(optarg
)) {
3555 printf("Accelerators supported in QEMU binary:\n");
3556 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3558 for (el
= accel_list
; el
; el
= el
->next
) {
3559 gchar
*typename
= g_strdup(object_class_get_name(
3560 OBJECT_CLASS(el
->data
)));
3561 /* omit qtest which is used for tests only */
3562 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3563 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3564 gchar
**optname
= g_strsplit(typename
,
3565 ACCEL_CLASS_SUFFIX
, 0);
3566 printf("%s\n", optname
[0]);
3571 g_slist_free(accel_list
);
3574 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3575 false, &error_abort
);
3576 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3578 case QEMU_OPTION_usb
:
3579 olist
= qemu_find_opts("machine");
3580 qemu_opts_parse_noisily(olist
, "usb=on", false);
3582 case QEMU_OPTION_usbdevice
:
3583 error_report("'-usbdevice' is deprecated, please use "
3584 "'-device usb-...' instead");
3585 olist
= qemu_find_opts("machine");
3586 qemu_opts_parse_noisily(olist
, "usb=on", false);
3587 add_device_config(DEV_USB
, optarg
);
3589 case QEMU_OPTION_device
:
3590 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3595 case QEMU_OPTION_smp
:
3596 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3601 case QEMU_OPTION_vnc
:
3602 vnc_parse(optarg
, &error_fatal
);
3604 case QEMU_OPTION_no_acpi
:
3607 case QEMU_OPTION_no_hpet
:
3610 case QEMU_OPTION_no_reboot
:
3613 case QEMU_OPTION_no_shutdown
:
3616 case QEMU_OPTION_show_cursor
:
3619 case QEMU_OPTION_uuid
:
3620 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3621 error_report("failed to parse UUID string: wrong format");
3624 qemu_uuid_set
= true;
3626 case QEMU_OPTION_option_rom
:
3627 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3628 error_report("too many option ROMs");
3631 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3636 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3637 option_rom
[nb_option_roms
].bootindex
=
3638 qemu_opt_get_number(opts
, "bootindex", -1);
3639 if (!option_rom
[nb_option_roms
].name
) {
3640 error_report("Option ROM file is not specified");
3645 case QEMU_OPTION_semihosting
:
3646 qemu_semihosting_enable();
3648 case QEMU_OPTION_semihosting_config
:
3649 if (qemu_semihosting_config_options(optarg
) != 0) {
3653 case QEMU_OPTION_name
:
3654 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3660 case QEMU_OPTION_prom_env
:
3661 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3662 error_report("too many prom variables");
3665 prom_envs
[nb_prom_envs
] = optarg
;
3668 case QEMU_OPTION_old_param
:
3671 case QEMU_OPTION_rtc
:
3672 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3678 case QEMU_OPTION_tb_size
:
3680 error_report("TCG is disabled");
3683 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3684 error_report("Invalid argument to -tb-size");
3688 case QEMU_OPTION_icount
:
3689 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3695 case QEMU_OPTION_incoming
:
3697 runstate_set(RUN_STATE_INMIGRATE
);
3701 case QEMU_OPTION_only_migratable
:
3702 only_migratable
= 1;
3704 case QEMU_OPTION_nodefaults
:
3707 case QEMU_OPTION_xen_domid
:
3708 if (!(xen_available())) {
3709 error_report("Option not supported for this target");
3712 xen_domid
= atoi(optarg
);
3714 case QEMU_OPTION_xen_attach
:
3715 if (!(xen_available())) {
3716 error_report("Option not supported for this target");
3719 xen_mode
= XEN_ATTACH
;
3721 case QEMU_OPTION_xen_domid_restrict
:
3722 if (!(xen_available())) {
3723 error_report("Option not supported for this target");
3726 xen_domid_restrict
= true;
3728 case QEMU_OPTION_trace
:
3730 trace_file
= trace_opt_parse(optarg
);
3732 case QEMU_OPTION_readconfig
:
3734 int ret
= qemu_read_config_file(optarg
);
3736 error_report("read config %s: %s", optarg
,
3742 case QEMU_OPTION_spice
:
3743 olist
= qemu_find_opts("spice");
3745 error_report("spice support is disabled");
3748 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3754 case QEMU_OPTION_writeconfig
:
3757 if (strcmp(optarg
, "-") == 0) {
3760 fp
= fopen(optarg
, "w");
3762 error_report("open %s: %s", optarg
,
3767 qemu_config_write(fp
);
3773 case QEMU_OPTION_qtest
:
3774 qtest_chrdev
= optarg
;
3776 case QEMU_OPTION_qtest_log
:
3779 case QEMU_OPTION_sandbox
:
3780 olist
= qemu_find_opts("sandbox");
3782 #ifndef CONFIG_SECCOMP
3783 error_report("-sandbox support is not enabled "
3784 "in this QEMU binary");
3789 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3794 case QEMU_OPTION_add_fd
:
3796 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3802 error_report("File descriptor passing is disabled on this "
3807 case QEMU_OPTION_object
:
3808 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3814 case QEMU_OPTION_realtime
:
3815 warn_report("'-realtime mlock=...' is deprecated, please use "
3816 "'-overcommit mem-lock=...' instead");
3817 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3822 /* Don't override the -overcommit option if set */
3823 enable_mlock
= enable_mlock
||
3824 qemu_opt_get_bool(opts
, "mlock", true);
3826 case QEMU_OPTION_overcommit
:
3827 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3832 /* Don't override the -realtime option if set */
3833 enable_mlock
= enable_mlock
||
3834 qemu_opt_get_bool(opts
, "mem-lock", false);
3835 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3837 case QEMU_OPTION_msg
:
3838 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3843 configure_msg(opts
);
3845 case QEMU_OPTION_dump_vmstate
:
3846 if (vmstate_dump_file
) {
3847 error_report("only one '-dump-vmstate' "
3848 "option may be given");
3851 vmstate_dump_file
= fopen(optarg
, "w");
3852 if (vmstate_dump_file
== NULL
) {
3853 error_report("open %s: %s", optarg
, strerror(errno
));
3857 case QEMU_OPTION_enable_sync_profile
:
3860 case QEMU_OPTION_nouserconfig
:
3861 /* Nothing to be parsed here. Especially, do not error out below. */
3864 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3865 error_report("Option not supported in this build");
3872 * Clear error location left behind by the loop.
3873 * Best done right after the loop. Do not insert code here!
3877 user_register_global_props();
3879 replay_configure(icount_opts
);
3881 if (incoming
&& !preconfig_exit_requested
) {
3882 error_report("'preconfig' and 'incoming' options are "
3883 "mutually exclusive");
3887 configure_rtc(qemu_find_opts_singleton("rtc"));
3889 machine_class
= select_machine();
3890 object_set_machine_compat_props(machine_class
->compat_props
);
3892 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3895 rcu_disable_atfork();
3897 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3898 error_reportf_err(err
, "cannot create PID file: ");
3902 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3903 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3905 if (qemu_init_main_loop(&main_loop_err
)) {
3906 error_report_err(main_loop_err
);
3910 #ifdef CONFIG_SECCOMP
3911 olist
= qemu_find_opts_err("sandbox", NULL
);
3913 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3917 qemu_opts_foreach(qemu_find_opts("name"),
3918 parse_name
, NULL
, &error_fatal
);
3921 qemu_opts_foreach(qemu_find_opts("add-fd"),
3922 parse_add_fd
, NULL
, &error_fatal
);
3924 qemu_opts_foreach(qemu_find_opts("add-fd"),
3925 cleanup_add_fd
, NULL
, &error_fatal
);
3928 current_machine
= MACHINE(object_new(object_class_get_name(
3929 OBJECT_CLASS(machine_class
))));
3930 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3933 object_property_add_child(object_get_root(), "machine",
3934 OBJECT(current_machine
), &error_abort
);
3935 object_property_add_child(container_get(OBJECT(current_machine
),
3937 "sysbus", OBJECT(sysbus_get_default()),
3940 if (machine_class
->minimum_page_bits
) {
3941 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3942 /* This would be a board error: specifying a minimum smaller than
3943 * a target's compile-time fixed setting.
3945 g_assert_not_reached();
3949 cpu_exec_init_all();
3951 if (machine_class
->hw_version
) {
3952 qemu_set_hw_version(machine_class
->hw_version
);
3955 if (cpu_option
&& is_help_option(cpu_option
)) {
3956 list_cpus(cpu_option
);
3960 if (!trace_init_backends()) {
3963 trace_init_file(trace_file
);
3965 /* Open the logfile at this point and set the log mask if necessary.
3968 qemu_set_log_filename(log_file
, &error_fatal
);
3973 mask
= qemu_str_to_log_mask(log_mask
);
3975 qemu_print_log_usage(stdout
);
3983 /* add configured firmware directories */
3984 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
3985 for (i
= 0; dirs
[i
] != NULL
; i
++) {
3986 qemu_add_data_dir(dirs
[i
]);
3990 /* try to find datadir relative to the executable path */
3991 dir
= os_find_datadir();
3992 qemu_add_data_dir(dir
);
3995 /* add the datadir specified when building */
3996 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
3998 /* -L help lists the data directories and exits. */
3999 if (list_data_dirs
) {
4000 for (i
= 0; i
< data_dir_idx
; i
++) {
4001 printf("%s\n", data_dir
[i
]);
4006 /* machine_class: default to UP */
4007 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4008 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4009 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4011 /* default to machine_class->default_cpus */
4012 current_machine
->smp
.cpus
= machine_class
->default_cpus
;
4013 current_machine
->smp
.max_cpus
= machine_class
->default_cpus
;
4014 current_machine
->smp
.cores
= 1;
4015 current_machine
->smp
.threads
= 1;
4017 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4019 /* sanity-check smp_cpus and max_cpus against machine_class */
4020 if (current_machine
->smp
.cpus
< machine_class
->min_cpus
) {
4021 error_report("Invalid SMP CPUs %d. The min CPUs "
4022 "supported by machine '%s' is %d",
4023 current_machine
->smp
.cpus
,
4024 machine_class
->name
, machine_class
->min_cpus
);
4027 if (current_machine
->smp
.max_cpus
> machine_class
->max_cpus
) {
4028 error_report("Invalid SMP CPUs %d. The max CPUs "
4029 "supported by machine '%s' is %d",
4030 current_machine
->smp
.max_cpus
,
4031 machine_class
->name
, machine_class
->max_cpus
);
4036 * Get the default machine options from the machine if it is not already
4037 * specified either by the configuration file or by the command line.
4039 if (machine_class
->default_machine_opts
) {
4040 qemu_opts_set_defaults(qemu_find_opts("machine"),
4041 machine_class
->default_machine_opts
, 0);
4044 qemu_opts_foreach(qemu_find_opts("device"),
4045 default_driver_check
, NULL
, NULL
);
4046 qemu_opts_foreach(qemu_find_opts("global"),
4047 default_driver_check
, NULL
, NULL
);
4049 if (!vga_model
&& !default_vga
) {
4050 vga_interface_type
= VGA_DEVICE
;
4052 if (!has_defaults
|| machine_class
->no_serial
) {
4055 if (!has_defaults
|| machine_class
->no_parallel
) {
4056 default_parallel
= 0;
4058 if (!has_defaults
|| machine_class
->no_floppy
) {
4061 if (!has_defaults
|| machine_class
->no_cdrom
) {
4064 if (!has_defaults
|| machine_class
->no_sdcard
) {
4067 if (!has_defaults
) {
4068 default_monitor
= 0;
4073 if (is_daemonized()) {
4074 if (!preconfig_exit_requested
) {
4075 error_report("'preconfig' and 'daemonize' options are "
4076 "mutually exclusive");
4080 /* According to documentation and historically, -nographic redirects
4081 * serial port, parallel port and monitor to stdio, which does not work
4082 * with -daemonize. We can redirect these to null instead, but since
4083 * -nographic is legacy, let's just error out.
4084 * We disallow -nographic only if all other ports are not redirected
4085 * explicitly, to not break existing legacy setups which uses
4086 * -nographic _and_ redirects all ports explicitly - this is valid
4087 * usage, -nographic is just a no-op in this case.
4090 && (default_parallel
|| default_serial
|| default_monitor
)) {
4091 error_report("-nographic cannot be used with -daemonize");
4094 #ifdef CONFIG_CURSES
4095 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4096 error_report("curses display cannot be used with -daemonize");
4103 if (default_parallel
)
4104 add_device_config(DEV_PARALLEL
, "null");
4105 if (default_serial
&& default_monitor
) {
4106 add_device_config(DEV_SERIAL
, "mon:stdio");
4109 add_device_config(DEV_SERIAL
, "stdio");
4110 if (default_monitor
)
4111 monitor_parse("stdio", "readline", false);
4115 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4116 if (default_parallel
)
4117 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4118 if (default_monitor
)
4119 monitor_parse("vc:80Cx24C", "readline", false);
4122 #if defined(CONFIG_VNC)
4123 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4127 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4128 if (!qemu_display_find_default(&dpy
)) {
4129 dpy
.type
= DISPLAY_TYPE_NONE
;
4130 #if defined(CONFIG_VNC)
4131 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4135 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4136 dpy
.type
= DISPLAY_TYPE_NONE
;
4139 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4140 error_report("-alt-grab and -ctrl-grab are only valid "
4141 "for SDL, ignoring option");
4143 if (dpy
.has_window_close
&&
4144 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4145 error_report("-no-quit is only valid for GTK and SDL, "
4149 qemu_display_early_init(&dpy
);
4150 qemu_console_early_init();
4152 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4153 #if defined(CONFIG_OPENGL)
4154 error_report("OpenGL is not supported by the display");
4156 error_report("OpenGL support is disabled");
4164 qemu_opts_foreach(qemu_find_opts("object"),
4165 user_creatable_add_opts_foreach
,
4166 object_create_initial
, &error_fatal
);
4168 qemu_opts_foreach(qemu_find_opts("chardev"),
4169 chardev_init_func
, NULL
, &error_fatal
);
4170 /* now chardevs have been created we may have semihosting to connect */
4171 qemu_semihosting_connect_chardevs();
4173 #ifdef CONFIG_VIRTFS
4174 qemu_opts_foreach(qemu_find_opts("fsdev"),
4175 fsdev_init_func
, NULL
, &error_fatal
);
4178 if (qemu_opts_foreach(qemu_find_opts("device"),
4179 device_help_func
, NULL
, NULL
)) {
4184 * Note: we need to create block backends before
4185 * machine_set_property(), so machine properties can refer to
4188 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
4190 machine_opts
= qemu_get_machine_opts();
4191 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4193 current_machine
->ram_size
= ram_size
;
4194 current_machine
->maxram_size
= maxram_size
;
4195 current_machine
->ram_slots
= ram_slots
;
4198 * Note: uses machine properties such as kernel-irqchip, must run
4199 * after machine_set_property().
4201 configure_accelerator(current_machine
, argv
[0]);
4204 * Beware, QOM objects created before this point miss global and
4205 * compat properties.
4207 * Global properties get set up by qdev_prop_register_global(),
4208 * called from user_register_global_props(), and certain option
4209 * desugaring. Also in CPU feature desugaring (buried in
4210 * parse_cpu_option()), which happens below this point, but may
4211 * only target the CPU type, which can only be created after
4212 * parse_cpu_option() returned the type.
4214 * Machine compat properties: object_set_machine_compat_props().
4215 * Accelerator compat props: object_set_accelerator_compat_props(),
4216 * called from configure_accelerator().
4219 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4220 error_report("Machine type '%s' is deprecated: %s",
4221 machine_class
->name
, machine_class
->deprecation_reason
);
4225 * Note: creates a QOM object, must run only after global and
4226 * compat properties have been set up.
4228 migration_object_init();
4231 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4234 machine_opts
= qemu_get_machine_opts();
4235 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4236 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4237 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4238 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4240 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4242 boot_order
= qemu_opt_get(opts
, "order");
4244 validate_bootdevices(boot_order
, &error_fatal
);
4247 boot_once
= qemu_opt_get(opts
, "once");
4249 validate_bootdevices(boot_once
, &error_fatal
);
4252 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4253 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4257 boot_order
= machine_class
->default_boot_order
;
4260 if (!kernel_cmdline
) {
4261 kernel_cmdline
= "";
4262 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4265 linux_boot
= (kernel_filename
!= NULL
);
4267 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4268 error_report("-append only allowed with -kernel option");
4272 if (!linux_boot
&& initrd_filename
!= NULL
) {
4273 error_report("-initrd only allowed with -kernel option");
4277 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4278 /* fall back to the -kernel/-append */
4279 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4282 os_set_line_buffering();
4284 /* spice needs the timers to be initialized by this point */
4289 if (!tcg_enabled()) {
4290 error_report("-icount is not allowed with hardware virtualization");
4293 configure_icount(icount_opts
, &error_abort
);
4294 qemu_opts_del(icount_opts
);
4297 if (tcg_enabled()) {
4298 qemu_tcg_configure(accel_opts
, &error_fatal
);
4302 QemuOptsList
*net
= qemu_find_opts("net");
4303 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4305 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4309 if (net_init_clients(&err
) < 0) {
4310 error_report_err(err
);
4314 qemu_opts_foreach(qemu_find_opts("object"),
4315 user_creatable_add_opts_foreach
,
4316 object_create_delayed
, &error_fatal
);
4320 /* init the bluetooth world */
4321 if (foreach_device_config(DEV_BT
, bt_parse
))
4324 if (!xen_enabled()) {
4325 /* On 32-bit hosts, QEMU is limited by virtual address space */
4326 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4327 error_report("at most 2047 MB RAM can be simulated");
4334 dirty_bitmap_mig_init();
4336 qemu_opts_foreach(qemu_find_opts("mon"),
4337 mon_init_func
, NULL
, &error_fatal
);
4339 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4341 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4343 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4346 /* If no default VGA is requested, the default is "none". */
4348 vga_model
= get_default_vga_model(machine_class
);
4351 select_vgahw(machine_class
, vga_model
);
4355 i
= select_watchdog(watchdog
);
4357 exit (i
== 1 ? 1 : 0);
4360 /* This checkpoint is required by replay to separate prior clock
4361 reading from the other reads, because timer polling functions query
4362 clock values from the log. */
4363 replay_checkpoint(CHECKPOINT_INIT
);
4364 qdev_machine_init();
4366 current_machine
->boot_order
= boot_order
;
4368 /* parse features once if machine provides default cpu_type */
4369 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4371 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
4373 parse_numa_opts(current_machine
);
4375 /* do monitor/qmp handling at preconfig state if requested */
4378 audio_init_audiodevs();
4380 /* from here on runstate is RUN_STATE_PRELAUNCH */
4381 machine_run_board_init(current_machine
);
4387 if (hax_enabled()) {
4391 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4392 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4394 /* init USB devices */
4395 if (machine_usb(current_machine
)) {
4396 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4400 /* Check if IGD GFX passthrough. */
4403 /* init generic devices */
4404 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4405 qemu_opts_foreach(qemu_find_opts("device"),
4406 device_init_func
, NULL
, &error_fatal
);
4408 cpu_synchronize_all_post_init();
4410 rom_reset_order_override();
4412 /* Did we create any drives that we failed to create a device for? */
4413 drive_check_orphaned();
4415 /* Don't warn about the default network setup that you get if
4416 * no command line -net or -netdev options are specified. There
4417 * are two cases that we would otherwise complain about:
4418 * (1) board doesn't support a NIC but the implicit "-net nic"
4420 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4421 * sets up a nic that isn't connected to anything.
4423 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4424 net_check_clients();
4428 qemu_boot_set(boot_once
, &error_fatal
);
4429 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4432 /* init local displays */
4433 ds
= init_displaystate();
4434 qemu_display_init(ds
, &dpy
);
4436 /* must be after terminal init, SDL library changes signal handlers */
4437 os_setup_signal_handling();
4439 /* init remote displays */
4441 qemu_opts_foreach(qemu_find_opts("vnc"),
4442 vnc_init_func
, NULL
, &error_fatal
);
4446 qemu_spice_display_init();
4449 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4453 qdev_machine_creation_done();
4455 /* TODO: once all bus devices are qdevified, this should be done
4456 * when bus is created by qdev.c */
4457 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4458 qemu_run_machine_init_done_notifiers();
4460 if (rom_check_and_register_reset() != 0) {
4461 error_report("rom check and register reset failed");
4467 /* This checkpoint is required by replay to separate prior clock
4468 reading from the other reads, because timer polling functions query
4469 clock values from the log. */
4470 replay_checkpoint(CHECKPOINT_RESET
);
4471 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4472 register_global_state();
4474 Error
*local_err
= NULL
;
4475 if (load_snapshot(loadvm
, &local_err
) < 0) {
4476 error_report_err(local_err
);
4481 if (replay_mode
!= REPLAY_MODE_NONE
) {
4482 replay_vmstate_init();
4485 qdev_prop_check_globals();
4486 if (vmstate_dump_file
) {
4488 dump_vmstate_json_to_file(vmstate_dump_file
);
4493 Error
*local_err
= NULL
;
4494 qemu_start_incoming_migration(incoming
, &local_err
);
4496 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4499 } else if (autostart
) {
4503 accel_setup_post(current_machine
);
4508 gdbserver_cleanup();
4511 * cleaning up the migration object cancels any existing migration
4512 * try to do this early so that it also stops using devices.
4514 migration_shutdown();
4516 /* No more vcpu or device emulation activity beyond this point */
4519 job_cancel_sync_all();
4524 /* vhost-user must be cleaned up before chardevs. */
4530 user_creatable_cleanup();
4531 /* TODO: unref root container, check all devices are ok */