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 "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
33 #include <sys/prctl.h>
34 #include "sysemu/seccomp.h"
38 #if defined(__APPLE__) || defined(main)
40 int qemu_main(int argc
, char **argv
, char **envp
);
41 int main(int argc
, char **argv
)
43 return qemu_main(argc
, argv
, NULL
);
46 #define main qemu_main
48 #endif /* CONFIG_SDL */
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
71 #include "hw/loader.h"
72 #include "monitor/qdev.h"
73 #include "sysemu/bt.h"
75 #include "net/slirp.h"
76 #include "monitor/monitor.h"
77 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "sysemu/numa.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "chardev/char.h"
84 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/misc.h"
89 #include "migration/snapshot.h"
90 #include "migration/global_state.h"
91 #include "sysemu/tpm.h"
92 #include "sysemu/dma.h"
93 #include "hw/audio/soundhw.h"
94 #include "audio/audio.h"
95 #include "sysemu/cpus.h"
96 #include "migration/colo.h"
97 #include "migration/postcopy-ram.h"
98 #include "sysemu/kvm.h"
99 #include "sysemu/hax.h"
100 #include "qapi/qobject-input-visitor.h"
101 #include "qemu/option.h"
102 #include "qemu/config-file.h"
103 #include "qemu-options.h"
104 #include "qemu/main-loop.h"
106 #include "fsdev/qemu-fsdev.h"
108 #include "sysemu/qtest.h"
110 #include "disas/disas.h"
113 #include "slirp/libslirp.h"
115 #include "trace-root.h"
116 #include "trace/control.h"
117 #include "qemu/queue.h"
118 #include "sysemu/arch_init.h"
120 #include "ui/qemu-spice.h"
121 #include "qapi/string-input-visitor.h"
122 #include "qapi/opts-visitor.h"
123 #include "qapi/clone-visitor.h"
124 #include "qom/object_interfaces.h"
125 #include "exec/semihost.h"
126 #include "crypto/init.h"
127 #include "sysemu/replay.h"
128 #include "qapi/qapi-events-run-state.h"
129 #include "qapi/qapi-visit-block-core.h"
130 #include "qapi/qapi-visit-ui.h"
131 #include "qapi/qapi-commands-block-core.h"
132 #include "qapi/qapi-commands-misc.h"
133 #include "qapi/qapi-commands-run-state.h"
134 #include "qapi/qmp/qerror.h"
135 #include "sysemu/iothread.h"
137 #define MAX_VIRTIO_CONSOLES 1
139 static const char *data_dir
[16];
140 static int data_dir_idx
;
141 const char *bios_name
= NULL
;
142 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
144 const char* keyboard_layout
= NULL
;
146 const char *mem_path
= NULL
;
147 int mem_prealloc
= 0; /* force preallocation of physical target memory */
148 bool enable_mlock
= false;
150 NICInfo nd_table
[MAX_NICS
];
152 static int rtc_utc
= 1;
153 static int rtc_date_offset
= -1; /* -1 means no change */
154 QEMUClockType rtc_clock
;
155 int vga_interface_type
= VGA_NONE
;
156 static DisplayOptions dpy
;
158 static int num_serial_hds
= 0;
159 static Chardev
**serial_hds
= NULL
;
160 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
161 Chardev
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
162 int win2k_install_hack
= 0;
165 unsigned int max_cpus
;
168 int acpi_enabled
= 1;
171 static int no_reboot
;
174 int graphic_rotate
= 0;
175 const char *watchdog
;
176 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
179 const char *qemu_name
;
182 unsigned int nb_prom_envs
= 0;
183 const char *prom_envs
[MAX_PROM_ENVS
];
186 uint8_t *boot_splash_filedata
;
187 size_t boot_splash_filedata_size
;
188 uint8_t qemu_extra_params_fw
[2];
190 int icount_align_option
;
192 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
193 * little-endian "wire format" described in the SMBIOS 2.6 specification.
198 static NotifierList exit_notifiers
=
199 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
201 static NotifierList machine_init_done_notifiers
=
202 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
206 enum xen_mode xen_mode
= XEN_EMULATE
;
207 bool xen_domid_restrict
;
209 static int has_defaults
= 1;
210 static int default_serial
= 1;
211 static int default_parallel
= 1;
212 static int default_virtcon
= 1;
213 static int default_monitor
= 1;
214 static int default_floppy
= 1;
215 static int default_cdrom
= 1;
216 static int default_sdcard
= 1;
217 static int default_vga
= 1;
218 static int default_net
= 1;
224 { .driver
= "isa-serial", .flag
= &default_serial
},
225 { .driver
= "isa-parallel", .flag
= &default_parallel
},
226 { .driver
= "isa-fdc", .flag
= &default_floppy
},
227 { .driver
= "floppy", .flag
= &default_floppy
},
228 { .driver
= "ide-cd", .flag
= &default_cdrom
},
229 { .driver
= "ide-hd", .flag
= &default_cdrom
},
230 { .driver
= "ide-drive", .flag
= &default_cdrom
},
231 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
232 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
233 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
234 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
235 { .driver
= "VGA", .flag
= &default_vga
},
236 { .driver
= "isa-vga", .flag
= &default_vga
},
237 { .driver
= "cirrus-vga", .flag
= &default_vga
},
238 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
239 { .driver
= "vmware-svga", .flag
= &default_vga
},
240 { .driver
= "qxl-vga", .flag
= &default_vga
},
241 { .driver
= "virtio-vga", .flag
= &default_vga
},
244 static QemuOptsList qemu_rtc_opts
= {
246 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
250 .type
= QEMU_OPT_STRING
,
253 .type
= QEMU_OPT_STRING
,
256 .type
= QEMU_OPT_STRING
,
258 { /* end of list */ }
262 static QemuOptsList qemu_sandbox_opts
= {
264 .implied_opt_name
= "enable",
265 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
269 .type
= QEMU_OPT_BOOL
,
273 .type
= QEMU_OPT_STRING
,
276 .name
= "elevateprivileges",
277 .type
= QEMU_OPT_STRING
,
281 .type
= QEMU_OPT_STRING
,
284 .name
= "resourcecontrol",
285 .type
= QEMU_OPT_STRING
,
287 { /* end of list */ }
291 static QemuOptsList qemu_option_rom_opts
= {
292 .name
= "option-rom",
293 .implied_opt_name
= "romfile",
294 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
298 .type
= QEMU_OPT_NUMBER
,
301 .type
= QEMU_OPT_STRING
,
303 { /* end of list */ }
307 static QemuOptsList qemu_machine_opts
= {
309 .implied_opt_name
= "type",
311 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
322 static QemuOptsList qemu_accel_opts
= {
324 .implied_opt_name
= "accel",
325 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
330 .type
= QEMU_OPT_STRING
,
331 .help
= "Select the type of accelerator",
335 .type
= QEMU_OPT_STRING
,
336 .help
= "Enable/disable multi-threaded TCG",
338 { /* end of list */ }
342 static QemuOptsList qemu_boot_opts
= {
344 .implied_opt_name
= "order",
346 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
350 .type
= QEMU_OPT_STRING
,
353 .type
= QEMU_OPT_STRING
,
356 .type
= QEMU_OPT_BOOL
,
359 .type
= QEMU_OPT_STRING
,
361 .name
= "splash-time",
362 .type
= QEMU_OPT_STRING
,
364 .name
= "reboot-timeout",
365 .type
= QEMU_OPT_STRING
,
368 .type
= QEMU_OPT_BOOL
,
374 static QemuOptsList qemu_add_fd_opts
= {
376 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
380 .type
= QEMU_OPT_NUMBER
,
381 .help
= "file descriptor of which a duplicate is added to fd set",
384 .type
= QEMU_OPT_NUMBER
,
385 .help
= "ID of the fd set to add fd to",
388 .type
= QEMU_OPT_STRING
,
389 .help
= "free-form string used to describe fd",
391 { /* end of list */ }
395 static QemuOptsList qemu_object_opts
= {
397 .implied_opt_name
= "qom-type",
398 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
404 static QemuOptsList qemu_tpmdev_opts
= {
406 .implied_opt_name
= "type",
407 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
409 /* options are defined in the TPM backends */
410 { /* end of list */ }
414 static QemuOptsList qemu_realtime_opts
= {
416 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
420 .type
= QEMU_OPT_BOOL
,
422 { /* end of list */ }
426 static QemuOptsList qemu_msg_opts
= {
428 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
432 .type
= QEMU_OPT_BOOL
,
434 { /* end of list */ }
438 static QemuOptsList qemu_name_opts
= {
440 .implied_opt_name
= "guest",
442 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
446 .type
= QEMU_OPT_STRING
,
447 .help
= "Sets the name of the guest.\n"
448 "This name will be displayed in the SDL window caption.\n"
449 "The name will also be used for the VNC server",
452 .type
= QEMU_OPT_STRING
,
453 .help
= "Sets the name of the QEMU process, as shown in top etc",
455 .name
= "debug-threads",
456 .type
= QEMU_OPT_BOOL
,
457 .help
= "When enabled, name the individual threads; defaults off.\n"
458 "NOTE: The thread names are for debugging and not a\n"
461 { /* End of list */ }
465 static QemuOptsList qemu_mem_opts
= {
467 .implied_opt_name
= "size",
468 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
473 .type
= QEMU_OPT_SIZE
,
477 .type
= QEMU_OPT_NUMBER
,
481 .type
= QEMU_OPT_SIZE
,
483 { /* end of list */ }
487 static QemuOptsList qemu_icount_opts
= {
489 .implied_opt_name
= "shift",
491 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
495 .type
= QEMU_OPT_STRING
,
498 .type
= QEMU_OPT_BOOL
,
501 .type
= QEMU_OPT_BOOL
,
504 .type
= QEMU_OPT_STRING
,
507 .type
= QEMU_OPT_STRING
,
509 .name
= "rrsnapshot",
510 .type
= QEMU_OPT_STRING
,
512 { /* end of list */ }
516 static QemuOptsList qemu_semihosting_config_opts
= {
517 .name
= "semihosting-config",
518 .implied_opt_name
= "enable",
519 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
523 .type
= QEMU_OPT_BOOL
,
526 .type
= QEMU_OPT_STRING
,
529 .type
= QEMU_OPT_STRING
,
531 { /* end of list */ }
535 static QemuOptsList qemu_fw_cfg_opts
= {
537 .implied_opt_name
= "name",
538 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
542 .type
= QEMU_OPT_STRING
,
543 .help
= "Sets the fw_cfg name of the blob to be inserted",
546 .type
= QEMU_OPT_STRING
,
547 .help
= "Sets the name of the file from which\n"
548 "the fw_cfg blob will be loaded",
551 .type
= QEMU_OPT_STRING
,
552 .help
= "Sets content of the blob to be inserted from a string",
554 { /* end of list */ }
559 * Get machine options
561 * Returns: machine options (never null).
563 QemuOpts
*qemu_get_machine_opts(void)
565 return qemu_find_opts_singleton("machine");
568 const char *qemu_get_vm_name(void)
573 static void res_free(void)
575 g_free(boot_splash_filedata
);
576 boot_splash_filedata
= NULL
;
579 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
581 const char *driver
= qemu_opt_get(opts
, "driver");
586 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
587 if (strcmp(default_list
[i
].driver
, driver
) != 0)
589 *(default_list
[i
].flag
) = 0;
594 /***********************************************************/
597 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
599 /* We use RUN_STATE__MAX but any invalid value will do */
600 static RunState vmstop_requested
= RUN_STATE__MAX
;
601 static QemuMutex vmstop_lock
;
606 } RunStateTransition
;
608 static const RunStateTransition runstate_transitions_def
[] = {
610 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
611 /* Early switch to inmigrate state to allow -incoming CLI option work
612 * as it used to. TODO: delay actual switching to inmigrate state to
613 * the point after machine is built and remove this hack.
615 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
617 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
618 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
619 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
621 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
622 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
623 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
624 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
625 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
626 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
627 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
628 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
629 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
630 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
631 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
632 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
634 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
635 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
636 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
638 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
639 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
640 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
642 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
643 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
644 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
645 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
646 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
648 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
649 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
650 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
652 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
653 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
654 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
656 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
657 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
658 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
659 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
660 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
662 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
663 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
665 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
667 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
668 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
669 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
670 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
671 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
672 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
673 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
674 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
675 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
676 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
677 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
679 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
681 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
682 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
683 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
685 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
686 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
687 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
688 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
689 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
690 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
692 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
693 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
694 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
695 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
697 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
698 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
699 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
701 { RUN_STATE__MAX
, RUN_STATE__MAX
},
704 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
706 bool runstate_check(RunState state
)
708 return current_run_state
== state
;
711 bool runstate_store(char *str
, size_t size
)
713 const char *state
= RunState_str(current_run_state
);
714 size_t len
= strlen(state
) + 1;
719 memcpy(str
, state
, len
);
723 static void runstate_init(void)
725 const RunStateTransition
*p
;
727 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
728 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
729 runstate_valid_transitions
[p
->from
][p
->to
] = true;
732 qemu_mutex_init(&vmstop_lock
);
735 /* This function will abort() on invalid state transitions */
736 void runstate_set(RunState new_state
)
738 assert(new_state
< RUN_STATE__MAX
);
740 if (current_run_state
== new_state
) {
744 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
745 error_report("invalid runstate transition: '%s' -> '%s'",
746 RunState_str(current_run_state
),
747 RunState_str(new_state
));
750 trace_runstate_set(new_state
);
751 current_run_state
= new_state
;
754 int runstate_is_running(void)
756 return runstate_check(RUN_STATE_RUNNING
);
759 bool runstate_needs_reset(void)
761 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
762 runstate_check(RUN_STATE_SHUTDOWN
);
765 StatusInfo
*qmp_query_status(Error
**errp
)
767 StatusInfo
*info
= g_malloc0(sizeof(*info
));
769 info
->running
= runstate_is_running();
770 info
->singlestep
= singlestep
;
771 info
->status
= current_run_state
;
776 bool qemu_vmstop_requested(RunState
*r
)
778 qemu_mutex_lock(&vmstop_lock
);
779 *r
= vmstop_requested
;
780 vmstop_requested
= RUN_STATE__MAX
;
781 qemu_mutex_unlock(&vmstop_lock
);
782 return *r
< RUN_STATE__MAX
;
785 void qemu_system_vmstop_request_prepare(void)
787 qemu_mutex_lock(&vmstop_lock
);
790 void qemu_system_vmstop_request(RunState state
)
792 vmstop_requested
= state
;
793 qemu_mutex_unlock(&vmstop_lock
);
797 /***********************************************************/
798 /* real time host monotonic timer */
800 static time_t qemu_time(void)
802 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
805 /***********************************************************/
806 /* host time/date access */
807 void qemu_get_timedate(struct tm
*tm
, int offset
)
809 time_t ti
= qemu_time();
812 if (rtc_date_offset
== -1) {
816 localtime_r(&ti
, tm
);
818 ti
-= rtc_date_offset
;
823 int qemu_timedate_diff(struct tm
*tm
)
827 if (rtc_date_offset
== -1)
829 seconds
= mktimegm(tm
);
832 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
833 seconds
= mktime(&tmp
);
836 seconds
= mktimegm(tm
) + rtc_date_offset
;
838 return seconds
- qemu_time();
841 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
843 time_t rtc_start_date
;
846 if (!strcmp(startdate
, "now") && legacy
) {
847 rtc_date_offset
= -1;
849 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
857 } else if (sscanf(startdate
, "%d-%d-%d",
869 rtc_start_date
= mktimegm(&tm
);
870 if (rtc_start_date
== -1) {
872 error_report("invalid date format");
873 error_printf("valid formats: "
874 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 rtc_date_offset
= qemu_time() - rtc_start_date
;
881 static void configure_rtc(QemuOpts
*opts
)
885 value
= qemu_opt_get(opts
, "base");
887 if (!strcmp(value
, "utc")) {
889 } else if (!strcmp(value
, "localtime")) {
890 Error
*blocker
= NULL
;
892 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
893 "-rtc base=localtime");
894 replay_add_blocker(blocker
);
896 configure_rtc_date_offset(value
, 0);
899 value
= qemu_opt_get(opts
, "clock");
901 if (!strcmp(value
, "host")) {
902 rtc_clock
= QEMU_CLOCK_HOST
;
903 } else if (!strcmp(value
, "rt")) {
904 rtc_clock
= QEMU_CLOCK_REALTIME
;
905 } else if (!strcmp(value
, "vm")) {
906 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
908 error_report("invalid option value '%s'", value
);
912 value
= qemu_opt_get(opts
, "driftfix");
914 if (!strcmp(value
, "slew")) {
915 static GlobalProperty slew_lost_ticks
= {
916 .driver
= "mc146818rtc",
917 .property
= "lost_tick_policy",
921 qdev_prop_register_global(&slew_lost_ticks
);
922 } else if (!strcmp(value
, "none")) {
923 /* discard is default */
925 error_report("invalid option value '%s'", value
);
931 /***********************************************************/
932 /* Bluetooth support */
935 static struct HCIInfo
*hci_table
[MAX_NICS
];
937 struct HCIInfo
*qemu_next_hci(void)
939 if (cur_hci
== nb_hcis
)
942 return hci_table
[cur_hci
++];
945 static int bt_hci_parse(const char *str
)
950 if (nb_hcis
>= MAX_NICS
) {
951 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
964 bdaddr
.b
[5] = 0x56 + nb_hcis
;
965 hci
->bdaddr_set(hci
, bdaddr
.b
);
967 hci_table
[nb_hcis
++] = hci
;
972 static void bt_vhci_add(int vlan_id
)
974 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
977 warn_report("adding a VHCI to an empty scatternet %i",
980 bt_vhci_init(bt_new_hci(vlan
));
983 static struct bt_device_s
*bt_device_add(const char *opt
)
985 struct bt_scatternet_s
*vlan
;
987 char *endp
= strstr(opt
, ",vlan=");
988 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
991 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
994 vlan_id
= strtol(endp
+ 6, &endp
, 0);
996 error_report("unrecognised bluetooth vlan Id");
1001 vlan
= qemu_find_bt_vlan(vlan_id
);
1004 warn_report("adding a slave device to an empty scatternet %i",
1007 if (!strcmp(devname
, "keyboard"))
1008 return bt_keyboard_init(vlan
);
1010 error_report("unsupported bluetooth device '%s'", devname
);
1014 static int bt_parse(const char *opt
)
1016 const char *endp
, *p
;
1019 if (strstart(opt
, "hci", &endp
)) {
1020 if (!*endp
|| *endp
== ',') {
1022 if (!strstart(endp
, ",vlan=", 0))
1025 return bt_hci_parse(opt
);
1027 } else if (strstart(opt
, "vhci", &endp
)) {
1028 if (!*endp
|| *endp
== ',') {
1030 if (strstart(endp
, ",vlan=", &p
)) {
1031 vlan
= strtol(p
, (char **) &endp
, 0);
1033 error_report("bad scatternet '%s'", p
);
1037 error_report("bad parameter '%s'", endp
+ 1);
1046 } else if (strstart(opt
, "device:", &endp
))
1047 return !bt_device_add(endp
);
1049 error_report("bad bluetooth parameter '%s'", opt
);
1053 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1055 if (qemu_opt_get_bool(opts
, "enable", false)) {
1056 #ifdef CONFIG_SECCOMP
1057 uint32_t seccomp_opts
= QEMU_SECCOMP_SET_DEFAULT
1058 | QEMU_SECCOMP_SET_OBSOLETE
;
1059 const char *value
= NULL
;
1061 value
= qemu_opt_get(opts
, "obsolete");
1063 if (g_str_equal(value
, "allow")) {
1064 seccomp_opts
&= ~QEMU_SECCOMP_SET_OBSOLETE
;
1065 } else if (g_str_equal(value
, "deny")) {
1066 /* this is the default option, this if is here
1067 * to provide a little bit of consistency for
1068 * the command line */
1070 error_report("invalid argument for obsolete");
1075 value
= qemu_opt_get(opts
, "elevateprivileges");
1077 if (g_str_equal(value
, "deny")) {
1078 seccomp_opts
|= QEMU_SECCOMP_SET_PRIVILEGED
;
1079 } else if (g_str_equal(value
, "children")) {
1080 seccomp_opts
|= QEMU_SECCOMP_SET_PRIVILEGED
;
1082 /* calling prctl directly because we're
1083 * not sure if host has CAP_SYS_ADMIN set*/
1084 if (prctl(PR_SET_NO_NEW_PRIVS
, 1)) {
1085 error_report("failed to set no_new_privs "
1089 } else if (g_str_equal(value
, "allow")) {
1092 error_report("invalid argument for elevateprivileges");
1097 value
= qemu_opt_get(opts
, "spawn");
1099 if (g_str_equal(value
, "deny")) {
1100 seccomp_opts
|= QEMU_SECCOMP_SET_SPAWN
;
1101 } else if (g_str_equal(value
, "allow")) {
1104 error_report("invalid argument for spawn");
1109 value
= qemu_opt_get(opts
, "resourcecontrol");
1111 if (g_str_equal(value
, "deny")) {
1112 seccomp_opts
|= QEMU_SECCOMP_SET_RESOURCECTL
;
1113 } else if (g_str_equal(value
, "allow")) {
1116 error_report("invalid argument for resourcecontrol");
1121 if (seccomp_start(seccomp_opts
) < 0) {
1122 error_report("failed to install seccomp syscall filter "
1127 error_report("seccomp support is disabled");
1135 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1137 const char *proc_name
;
1139 if (qemu_opt_get(opts
, "debug-threads")) {
1140 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1142 qemu_name
= qemu_opt_get(opts
, "guest");
1144 proc_name
= qemu_opt_get(opts
, "process");
1146 os_set_proc_name(proc_name
);
1152 bool defaults_enabled(void)
1154 return has_defaults
;
1158 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1160 int fd
, dupfd
, flags
;
1162 const char *fd_opaque
= NULL
;
1165 fd
= qemu_opt_get_number(opts
, "fd", -1);
1166 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1167 fd_opaque
= qemu_opt_get(opts
, "opaque");
1170 error_report("fd option is required and must be non-negative");
1174 if (fd
<= STDERR_FILENO
) {
1175 error_report("fd cannot be a standard I/O stream");
1180 * All fds inherited across exec() necessarily have FD_CLOEXEC
1181 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1183 flags
= fcntl(fd
, F_GETFD
);
1184 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1185 error_report("fd is not valid or already in use");
1190 error_report("set option is required and must be non-negative");
1194 #ifdef F_DUPFD_CLOEXEC
1195 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1199 qemu_set_cloexec(dupfd
);
1203 error_report("error duplicating fd: %s", strerror(errno
));
1207 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1208 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1215 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1219 fd
= qemu_opt_get_number(opts
, "fd", -1);
1226 /***********************************************************/
1227 /* QEMU Block devices */
1229 #define HD_OPTS "media=disk"
1230 #define CDROM_OPTS "media=cdrom"
1232 #define PFLASH_OPTS ""
1236 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1238 BlockInterfaceType
*block_default_type
= opaque
;
1240 return drive_new(opts
, *block_default_type
) == NULL
;
1243 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1245 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1246 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1251 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1252 int index
, const char *optstr
)
1257 if (!enable
|| drive_get_by_index(type
, index
)) {
1261 opts
= drive_add(type
, index
, NULL
, optstr
);
1263 drive_enable_snapshot(NULL
, opts
, NULL
);
1266 dinfo
= drive_new(opts
, type
);
1270 dinfo
->is_default
= true;
1274 static QemuOptsList qemu_smp_opts
= {
1276 .implied_opt_name
= "cpus",
1277 .merge_lists
= true,
1278 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1282 .type
= QEMU_OPT_NUMBER
,
1285 .type
= QEMU_OPT_NUMBER
,
1288 .type
= QEMU_OPT_NUMBER
,
1291 .type
= QEMU_OPT_NUMBER
,
1294 .type
= QEMU_OPT_NUMBER
,
1296 { /*End of list */ }
1300 static void smp_parse(QemuOpts
*opts
)
1303 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1304 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1305 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1306 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1308 /* compute missing values, prefer sockets over cores over threads */
1309 if (cpus
== 0 || sockets
== 0) {
1310 sockets
= sockets
> 0 ? sockets
: 1;
1311 cores
= cores
> 0 ? cores
: 1;
1312 threads
= threads
> 0 ? threads
: 1;
1314 cpus
= cores
* threads
* sockets
;
1316 } else if (cores
== 0) {
1317 threads
= threads
> 0 ? threads
: 1;
1318 cores
= cpus
/ (sockets
* threads
);
1319 cores
= cores
> 0 ? cores
: 1;
1320 } else if (threads
== 0) {
1321 threads
= cpus
/ (cores
* sockets
);
1322 threads
= threads
> 0 ? threads
: 1;
1323 } else if (sockets
* cores
* threads
< cpus
) {
1324 error_report("cpu topology: "
1325 "sockets (%u) * cores (%u) * threads (%u) < "
1327 sockets
, cores
, threads
, cpus
);
1331 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1333 if (max_cpus
< cpus
) {
1334 error_report("maxcpus must be equal to or greater than smp");
1338 if (sockets
* cores
* threads
> max_cpus
) {
1339 error_report("cpu topology: "
1340 "sockets (%u) * cores (%u) * threads (%u) > "
1342 sockets
, cores
, threads
, max_cpus
);
1348 smp_threads
= threads
;
1352 Error
*blocker
= NULL
;
1353 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1354 replay_add_blocker(blocker
);
1358 static void realtime_init(void)
1361 if (os_mlock() < 0) {
1362 error_report("locking memory failed");
1369 static void configure_msg(QemuOpts
*opts
)
1371 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1374 /***********************************************************/
1377 typedef struct SemihostingConfig
{
1379 SemihostingTarget target
;
1382 const char *cmdline
; /* concatenated argv */
1383 } SemihostingConfig
;
1385 static SemihostingConfig semihosting
;
1387 bool semihosting_enabled(void)
1389 return semihosting
.enabled
;
1392 SemihostingTarget
semihosting_get_target(void)
1394 return semihosting
.target
;
1397 const char *semihosting_get_arg(int i
)
1399 if (i
>= semihosting
.argc
) {
1402 return semihosting
.argv
[i
];
1405 int semihosting_get_argc(void)
1407 return semihosting
.argc
;
1410 const char *semihosting_get_cmdline(void)
1412 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1413 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1415 return semihosting
.cmdline
;
1418 static int add_semihosting_arg(void *opaque
,
1419 const char *name
, const char *val
,
1422 SemihostingConfig
*s
= opaque
;
1423 if (strcmp(name
, "arg") == 0) {
1425 /* one extra element as g_strjoinv() expects NULL-terminated array */
1426 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1427 s
->argv
[s
->argc
- 1] = val
;
1428 s
->argv
[s
->argc
] = NULL
;
1433 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1434 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1439 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1441 /* split -append and initialize argv[1..n] */
1442 cmd_token
= strtok(g_strdup(cmd
), " ");
1444 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1445 cmd_token
= strtok(NULL
, " ");
1449 /* Now we still need this for compatibility with XEN. */
1450 bool has_igd_gfx_passthru
;
1451 static void igd_gfx_passthru(void)
1453 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1456 /***********************************************************/
1459 static int usb_device_add(const char *devname
)
1461 USBDevice
*dev
= NULL
;
1463 if (!machine_usb(current_machine
)) {
1467 dev
= usbdevice_create(devname
);
1474 static int usb_parse(const char *cmdline
)
1477 r
= usb_device_add(cmdline
);
1479 error_report("could not add USB device '%s'", cmdline
);
1484 /***********************************************************/
1485 /* machine registration */
1487 MachineState
*current_machine
;
1489 static MachineClass
*find_machine(const char *name
)
1491 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1492 MachineClass
*mc
= NULL
;
1494 for (el
= machines
; el
; el
= el
->next
) {
1495 MachineClass
*temp
= el
->data
;
1497 if (!strcmp(temp
->name
, name
)) {
1502 !strcmp(temp
->alias
, name
)) {
1508 g_slist_free(machines
);
1512 MachineClass
*find_default_machine(void)
1514 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1515 MachineClass
*mc
= NULL
;
1517 for (el
= machines
; el
; el
= el
->next
) {
1518 MachineClass
*temp
= el
->data
;
1520 if (temp
->is_default
) {
1526 g_slist_free(machines
);
1530 MachineInfoList
*qmp_query_machines(Error
**errp
)
1532 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1533 MachineInfoList
*mach_list
= NULL
;
1535 for (el
= machines
; el
; el
= el
->next
) {
1536 MachineClass
*mc
= el
->data
;
1537 MachineInfoList
*entry
;
1540 info
= g_malloc0(sizeof(*info
));
1541 if (mc
->is_default
) {
1542 info
->has_is_default
= true;
1543 info
->is_default
= true;
1547 info
->has_alias
= true;
1548 info
->alias
= g_strdup(mc
->alias
);
1551 info
->name
= g_strdup(mc
->name
);
1552 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1553 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1555 entry
= g_malloc0(sizeof(*entry
));
1556 entry
->value
= info
;
1557 entry
->next
= mach_list
;
1561 g_slist_free(machines
);
1565 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1567 ObjectProperty
*prop
;
1568 ObjectPropertyIterator iter
;
1570 if (!qemu_opt_has_help_opt(opts
)) {
1574 object_property_iter_init(&iter
, OBJECT(machine
));
1575 while ((prop
= object_property_iter_next(&iter
))) {
1580 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1581 prop
->name
, prop
->type
);
1582 if (prop
->description
) {
1583 error_printf(" (%s)\n", prop
->description
);
1592 /***********************************************************/
1593 /* main execution loop */
1595 struct vm_change_state_entry
{
1596 VMChangeStateHandler
*cb
;
1598 QLIST_ENTRY (vm_change_state_entry
) entries
;
1601 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1603 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1606 VMChangeStateEntry
*e
;
1608 e
= g_malloc0(sizeof (*e
));
1612 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1616 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1618 QLIST_REMOVE (e
, entries
);
1622 void vm_state_notify(int running
, RunState state
)
1624 VMChangeStateEntry
*e
, *next
;
1626 trace_vm_state_notify(running
, state
);
1628 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1629 e
->cb(e
->opaque
, running
, state
);
1633 static ShutdownCause reset_requested
;
1634 static ShutdownCause shutdown_requested
;
1635 static int shutdown_signal
;
1636 static pid_t shutdown_pid
;
1637 static int powerdown_requested
;
1638 static int debug_requested
;
1639 static int suspend_requested
;
1640 static bool preconfig_exit_requested
= true;
1641 static WakeupReason wakeup_reason
;
1642 static NotifierList powerdown_notifiers
=
1643 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1644 static NotifierList suspend_notifiers
=
1645 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1646 static NotifierList wakeup_notifiers
=
1647 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1648 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1650 ShutdownCause
qemu_shutdown_requested_get(void)
1652 return shutdown_requested
;
1655 ShutdownCause
qemu_reset_requested_get(void)
1657 return reset_requested
;
1660 static int qemu_shutdown_requested(void)
1662 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1665 static void qemu_kill_report(void)
1667 if (!qtest_driver() && shutdown_signal
) {
1668 if (shutdown_pid
== 0) {
1669 /* This happens for eg ^C at the terminal, so it's worth
1670 * avoiding printing an odd message in that case.
1672 error_report("terminating on signal %d", shutdown_signal
);
1674 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1676 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1677 shutdown_signal
, shutdown_pid
,
1678 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1679 g_free(shutdown_cmd
);
1681 shutdown_signal
= 0;
1685 static ShutdownCause
qemu_reset_requested(void)
1687 ShutdownCause r
= reset_requested
;
1689 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1690 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1693 return SHUTDOWN_CAUSE_NONE
;
1696 static int qemu_suspend_requested(void)
1698 int r
= suspend_requested
;
1699 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1700 suspend_requested
= 0;
1706 static WakeupReason
qemu_wakeup_requested(void)
1708 return wakeup_reason
;
1711 static int qemu_powerdown_requested(void)
1713 int r
= powerdown_requested
;
1714 powerdown_requested
= 0;
1718 static int qemu_debug_requested(void)
1720 int r
= debug_requested
;
1721 debug_requested
= 0;
1725 void qemu_exit_preconfig_request(void)
1727 preconfig_exit_requested
= true;
1731 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1733 void qemu_system_reset(ShutdownCause reason
)
1737 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1739 cpu_synchronize_all_states();
1741 if (mc
&& mc
->reset
) {
1744 qemu_devices_reset();
1747 qapi_event_send_reset(shutdown_caused_by_guest(reason
),
1750 cpu_synchronize_all_post_reset();
1753 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1755 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1758 current_cpu
->crash_occurred
= true;
1760 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1761 !!info
, info
, &error_abort
);
1762 vm_stop(RUN_STATE_GUEST_PANICKED
);
1764 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1765 !!info
, info
, &error_abort
);
1766 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1770 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1771 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1772 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1773 info
->u
.hyper_v
.arg1
,
1774 info
->u
.hyper_v
.arg2
,
1775 info
->u
.hyper_v
.arg3
,
1776 info
->u
.hyper_v
.arg4
,
1777 info
->u
.hyper_v
.arg5
);
1778 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1779 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1780 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1782 S390CrashReason_str(info
->u
.s390
.reason
),
1783 info
->u
.s390
.psw_mask
,
1784 info
->u
.s390
.psw_addr
);
1786 qapi_free_GuestPanicInformation(info
);
1790 void qemu_system_reset_request(ShutdownCause reason
)
1793 shutdown_requested
= reason
;
1795 reset_requested
= reason
;
1798 qemu_notify_event();
1801 static void qemu_system_suspend(void)
1804 notifier_list_notify(&suspend_notifiers
, NULL
);
1805 runstate_set(RUN_STATE_SUSPENDED
);
1806 qapi_event_send_suspend(&error_abort
);
1809 void qemu_system_suspend_request(void)
1811 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1814 suspend_requested
= 1;
1816 qemu_notify_event();
1819 void qemu_register_suspend_notifier(Notifier
*notifier
)
1821 notifier_list_add(&suspend_notifiers
, notifier
);
1824 void qemu_system_wakeup_request(WakeupReason reason
)
1826 trace_system_wakeup_request(reason
);
1828 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1831 if (!(wakeup_reason_mask
& (1 << reason
))) {
1834 runstate_set(RUN_STATE_RUNNING
);
1835 wakeup_reason
= reason
;
1836 qemu_notify_event();
1839 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1842 wakeup_reason_mask
|= (1 << reason
);
1844 wakeup_reason_mask
&= ~(1 << reason
);
1848 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1850 notifier_list_add(&wakeup_notifiers
, notifier
);
1853 void qemu_system_killed(int signal
, pid_t pid
)
1855 shutdown_signal
= signal
;
1859 /* Cannot call qemu_system_shutdown_request directly because
1860 * we are in a signal handler.
1862 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1863 qemu_notify_event();
1866 void qemu_system_shutdown_request(ShutdownCause reason
)
1868 trace_qemu_system_shutdown_request(reason
);
1869 replay_shutdown_request(reason
);
1870 shutdown_requested
= reason
;
1871 qemu_notify_event();
1874 static void qemu_system_powerdown(void)
1876 qapi_event_send_powerdown(&error_abort
);
1877 notifier_list_notify(&powerdown_notifiers
, NULL
);
1880 void qemu_system_powerdown_request(void)
1882 trace_qemu_system_powerdown_request();
1883 powerdown_requested
= 1;
1884 qemu_notify_event();
1887 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1889 notifier_list_add(&powerdown_notifiers
, notifier
);
1892 void qemu_system_debug_request(void)
1894 debug_requested
= 1;
1895 qemu_notify_event();
1898 static bool main_loop_should_exit(void)
1901 ShutdownCause request
;
1903 if (preconfig_exit_requested
) {
1904 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1905 runstate_set(RUN_STATE_PRELAUNCH
);
1907 preconfig_exit_requested
= false;
1910 if (qemu_debug_requested()) {
1911 vm_stop(RUN_STATE_DEBUG
);
1913 if (qemu_suspend_requested()) {
1914 qemu_system_suspend();
1916 request
= qemu_shutdown_requested();
1919 qapi_event_send_shutdown(shutdown_caused_by_guest(request
),
1922 vm_stop(RUN_STATE_SHUTDOWN
);
1927 request
= qemu_reset_requested();
1930 qemu_system_reset(request
);
1932 if (!runstate_check(RUN_STATE_RUNNING
) &&
1933 !runstate_check(RUN_STATE_INMIGRATE
)) {
1934 runstate_set(RUN_STATE_PRELAUNCH
);
1937 if (qemu_wakeup_requested()) {
1939 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1940 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1941 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1943 qapi_event_send_wakeup(&error_abort
);
1945 if (qemu_powerdown_requested()) {
1946 qemu_system_powerdown();
1948 if (qemu_vmstop_requested(&r
)) {
1954 static void main_loop(void)
1956 #ifdef CONFIG_PROFILER
1960 #ifdef CONFIG_PROFILER
1961 ti
= profile_getclock();
1963 main_loop_wait(false);
1964 #ifdef CONFIG_PROFILER
1965 dev_time
+= profile_getclock() - ti
;
1967 } while (!main_loop_should_exit());
1970 static void version(void)
1972 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1973 QEMU_COPYRIGHT
"\n");
1976 static void help(int exitcode
)
1979 printf("usage: %s [options] [disk_image]\n\n"
1980 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1981 error_get_progname());
1983 #define QEMU_OPTIONS_GENERATE_HELP
1984 #include "qemu-options-wrapper.h"
1986 printf("\nDuring emulation, the following keys are useful:\n"
1987 "ctrl-alt-f toggle full screen\n"
1988 "ctrl-alt-n switch to virtual console 'n'\n"
1989 "ctrl-alt toggle mouse and keyboard grab\n"
1991 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1993 QEMU_HELP_BOTTOM
"\n");
1998 #define HAS_ARG 0x0001
2000 typedef struct QEMUOption
{
2007 static const QEMUOption qemu_options
[] = {
2008 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2009 #define QEMU_OPTIONS_GENERATE_OPTIONS
2010 #include "qemu-options-wrapper.h"
2014 typedef struct VGAInterfaceInfo
{
2015 const char *opt_name
; /* option name */
2016 const char *name
; /* human-readable name */
2017 /* Class names indicating that support is available.
2018 * If no class is specified, the interface is always available */
2019 const char *class_names
[2];
2022 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
2028 .name
= "standard VGA",
2029 .class_names
= { "VGA", "isa-vga" },
2032 .opt_name
= "cirrus",
2033 .name
= "Cirrus VGA",
2034 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2037 .opt_name
= "vmware",
2038 .name
= "VMWare SVGA",
2039 .class_names
= { "vmware-svga" },
2042 .opt_name
= "virtio",
2043 .name
= "Virtio VGA",
2044 .class_names
= { "virtio-vga" },
2049 .class_names
= { "qxl-vga" },
2053 .name
= "TCX framebuffer",
2054 .class_names
= { "SUNW,tcx" },
2058 .name
= "CG3 framebuffer",
2059 .class_names
= { "cgthree" },
2062 .opt_name
= "xenfb",
2066 static bool vga_interface_available(VGAInterfaceType t
)
2068 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2070 assert(t
< VGA_TYPE_MAX
);
2071 return !ti
->class_names
[0] ||
2072 object_class_by_name(ti
->class_names
[0]) ||
2073 object_class_by_name(ti
->class_names
[1]);
2076 static void select_vgahw(const char *p
)
2081 assert(vga_interface_type
== VGA_NONE
);
2082 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2083 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2084 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2085 if (!vga_interface_available(t
)) {
2086 error_report("%s not available", ti
->name
);
2089 vga_interface_type
= t
;
2093 if (t
== VGA_TYPE_MAX
) {
2095 error_report("unknown vga type: %s", p
);
2099 const char *nextopt
;
2101 if (strstart(opts
, ",retrace=", &nextopt
)) {
2103 if (strstart(opts
, "dumb", &nextopt
))
2104 vga_retrace_method
= VGA_RETRACE_DUMB
;
2105 else if (strstart(opts
, "precise", &nextopt
))
2106 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2107 else goto invalid_vga
;
2108 } else goto invalid_vga
;
2113 static void parse_display_qapi(const char *optarg
)
2116 DisplayOptions
*opts
;
2119 v
= qobject_input_visitor_new_str(optarg
, "type", &err
);
2121 error_report_err(err
);
2125 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2126 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2128 qapi_free_DisplayOptions(opts
);
2132 static void parse_display(const char *p
)
2136 if (strstart(p
, "sdl", &opts
)) {
2138 * sdl DisplayType needs hand-crafted parser instead of
2139 * parse_display_qapi() due to some options not in
2140 * DisplayOptions, specifically:
2142 * Already deprecated.
2143 * - ctrl_grab + alt_grab
2144 * Not clear yet what happens to them long-term. Should
2145 * replaced by something better or deprecated and dropped.
2147 dpy
.type
= DISPLAY_TYPE_SDL
;
2149 const char *nextopt
;
2151 if (strstart(opts
, ",frame=", &nextopt
)) {
2152 g_printerr("The frame= sdl option is deprecated, and will be\n"
2153 "removed in a future release.\n");
2155 if (strstart(opts
, "on", &nextopt
)) {
2157 } else if (strstart(opts
, "off", &nextopt
)) {
2160 goto invalid_sdl_args
;
2162 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2164 if (strstart(opts
, "on", &nextopt
)) {
2166 } else if (strstart(opts
, "off", &nextopt
)) {
2169 goto invalid_sdl_args
;
2171 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2173 if (strstart(opts
, "on", &nextopt
)) {
2175 } else if (strstart(opts
, "off", &nextopt
)) {
2178 goto invalid_sdl_args
;
2180 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2182 dpy
.has_window_close
= true;
2183 if (strstart(opts
, "on", &nextopt
)) {
2184 dpy
.window_close
= true;
2185 } else if (strstart(opts
, "off", &nextopt
)) {
2186 dpy
.window_close
= false;
2188 goto invalid_sdl_args
;
2190 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2193 if (strstart(opts
, "on", &nextopt
)) {
2194 dpy
.gl
= DISPLAYGL_MODE_ON
;
2195 } else if (strstart(opts
, "core", &nextopt
)) {
2196 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2197 } else if (strstart(opts
, "es", &nextopt
)) {
2198 dpy
.gl
= DISPLAYGL_MODE_ES
;
2199 } else if (strstart(opts
, "off", &nextopt
)) {
2200 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2202 goto invalid_sdl_args
;
2206 error_report("invalid SDL option string");
2211 } else if (strstart(p
, "vnc", &opts
)) {
2213 * vnc isn't a (local) DisplayType but a protocol for remote
2217 vnc_parse(opts
+ 1, &error_fatal
);
2219 error_report("VNC requires a display argument vnc=<display>");
2223 parse_display_qapi(p
);
2227 static int balloon_parse(const char *arg
)
2231 warn_report("This option is deprecated. "
2232 "Use '--device virtio-balloon' to enable the balloon device.");
2234 if (strcmp(arg
, "none") == 0) {
2238 if (!strncmp(arg
, "virtio", 6)) {
2239 if (arg
[6] == ',') {
2240 /* have params -> parse them */
2241 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2246 /* create empty opts */
2247 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2250 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2257 char *qemu_find_file(int type
, const char *name
)
2263 /* Try the name as a straight path first */
2264 if (access(name
, R_OK
) == 0) {
2265 trace_load_file(name
, name
);
2266 return g_strdup(name
);
2270 case QEMU_FILE_TYPE_BIOS
:
2273 case QEMU_FILE_TYPE_KEYMAP
:
2274 subdir
= "keymaps/";
2280 for (i
= 0; i
< data_dir_idx
; i
++) {
2281 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2282 if (access(buf
, R_OK
) == 0) {
2283 trace_load_file(name
, buf
);
2291 static void qemu_add_data_dir(const char *path
)
2298 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2301 for (i
= 0; i
< data_dir_idx
; i
++) {
2302 if (strcmp(data_dir
[i
], path
) == 0) {
2303 return; /* duplicate */
2306 data_dir
[data_dir_idx
++] = g_strdup(path
);
2309 static inline bool nonempty_str(const char *str
)
2314 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2318 const char *name
, *file
, *str
;
2319 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2321 if (fw_cfg
== NULL
) {
2322 error_report("fw_cfg device not available");
2325 name
= qemu_opt_get(opts
, "name");
2326 file
= qemu_opt_get(opts
, "file");
2327 str
= qemu_opt_get(opts
, "string");
2329 /* we need name and either a file or the content string */
2330 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2331 error_report("invalid argument(s)");
2334 if (nonempty_str(file
) && nonempty_str(str
)) {
2335 error_report("file and string are mutually exclusive");
2338 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2339 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2342 if (strncmp(name
, "opt/", 4) != 0) {
2343 warn_report("externally provided fw_cfg item names "
2344 "should be prefixed with \"opt/\"");
2346 if (nonempty_str(str
)) {
2347 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2348 buf
= g_memdup(str
, size
);
2350 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2351 error_report("can't load %s", file
);
2355 /* For legacy, keep user files in a specific global order. */
2356 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2357 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2358 fw_cfg_reset_order_override(fw_cfg
);
2362 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2364 return qdev_device_help(opts
);
2367 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2372 dev
= qdev_device_add(opts
, &err
);
2374 error_report_err(err
);
2377 object_unref(OBJECT(dev
));
2381 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2383 Error
*local_err
= NULL
;
2385 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2387 error_report_err(local_err
);
2395 #ifdef CONFIG_VIRTFS
2396 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2398 return qemu_fsdev_add(opts
);
2402 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2405 const char *chardev
;
2409 mode
= qemu_opt_get(opts
, "mode");
2413 if (strcmp(mode
, "readline") == 0) {
2414 flags
= MONITOR_USE_READLINE
;
2415 } else if (strcmp(mode
, "control") == 0) {
2416 flags
= MONITOR_USE_CONTROL
;
2418 error_report("unknown monitor mode \"%s\"", mode
);
2422 if (qemu_opt_get_bool(opts
, "pretty", 0))
2423 flags
|= MONITOR_USE_PRETTY
;
2425 /* OOB is off by default */
2426 if (qemu_opt_get_bool(opts
, "x-oob", 0)) {
2427 flags
|= MONITOR_USE_OOB
;
2430 chardev
= qemu_opt_get(opts
, "chardev");
2431 chr
= qemu_chr_find(chardev
);
2433 error_report("chardev \"%s\" not found", chardev
);
2437 monitor_init(chr
, flags
);
2441 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2443 static int monitor_device_index
= 0;
2448 if (strstart(optarg
, "chardev:", &p
)) {
2449 snprintf(label
, sizeof(label
), "%s", p
);
2451 snprintf(label
, sizeof(label
), "compat_monitor%d",
2452 monitor_device_index
);
2453 opts
= qemu_chr_parse_compat(label
, optarg
);
2455 error_report("parse error: %s", optarg
);
2460 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2461 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2462 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2463 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2464 monitor_device_index
++;
2467 struct device_config
{
2469 DEV_USB
, /* -usbdevice */
2471 DEV_SERIAL
, /* -serial */
2472 DEV_PARALLEL
, /* -parallel */
2473 DEV_VIRTCON
, /* -virtioconsole */
2474 DEV_DEBUGCON
, /* -debugcon */
2475 DEV_GDB
, /* -gdb, -s */
2476 DEV_SCLP
, /* s390 sclp */
2478 const char *cmdline
;
2480 QTAILQ_ENTRY(device_config
) next
;
2483 static QTAILQ_HEAD(, device_config
) device_configs
=
2484 QTAILQ_HEAD_INITIALIZER(device_configs
);
2486 static void add_device_config(int type
, const char *cmdline
)
2488 struct device_config
*conf
;
2490 conf
= g_malloc0(sizeof(*conf
));
2492 conf
->cmdline
= cmdline
;
2493 loc_save(&conf
->loc
);
2494 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2497 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2499 struct device_config
*conf
;
2502 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2503 if (conf
->type
!= type
)
2505 loc_push_restore(&conf
->loc
);
2506 rc
= func(conf
->cmdline
);
2507 loc_pop(&conf
->loc
);
2515 static int serial_parse(const char *devname
)
2517 int index
= num_serial_hds
;
2520 if (strcmp(devname
, "none") == 0)
2522 snprintf(label
, sizeof(label
), "serial%d", index
);
2523 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2525 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2526 if (!serial_hds
[index
]) {
2527 error_report("could not connect serial device"
2528 " to character backend '%s'", devname
);
2535 Chardev
*serial_hd(int i
)
2538 if (i
< num_serial_hds
) {
2539 return serial_hds
[i
];
2544 int serial_max_hds(void)
2546 return num_serial_hds
;
2549 static int parallel_parse(const char *devname
)
2551 static int index
= 0;
2554 if (strcmp(devname
, "none") == 0)
2556 if (index
== MAX_PARALLEL_PORTS
) {
2557 error_report("too many parallel ports");
2560 snprintf(label
, sizeof(label
), "parallel%d", index
);
2561 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2562 if (!parallel_hds
[index
]) {
2563 error_report("could not connect parallel device"
2564 " to character backend '%s'", devname
);
2571 static int virtcon_parse(const char *devname
)
2573 QemuOptsList
*device
= qemu_find_opts("device");
2574 static int index
= 0;
2576 QemuOpts
*bus_opts
, *dev_opts
;
2578 if (strcmp(devname
, "none") == 0)
2580 if (index
== MAX_VIRTIO_CONSOLES
) {
2581 error_report("too many virtio consoles");
2585 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2586 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2588 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2589 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2591 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2592 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2593 if (!virtcon_hds
[index
]) {
2594 error_report("could not connect virtio console"
2595 " to character backend '%s'", devname
);
2598 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2604 static int debugcon_parse(const char *devname
)
2608 if (!qemu_chr_new("debugcon", devname
)) {
2611 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2613 error_report("already have a debugcon device");
2616 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2617 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2621 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2623 const MachineClass
*mc1
= a
, *mc2
= b
;
2626 if (mc1
->family
== NULL
) {
2627 if (mc2
->family
== NULL
) {
2628 /* Compare standalone machine types against each other; they sort
2629 * in increasing order.
2631 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2632 object_class_get_name(OBJECT_CLASS(mc2
)));
2635 /* Standalone machine types sort after families. */
2639 if (mc2
->family
== NULL
) {
2640 /* Families sort before standalone machine types. */
2644 /* Families sort between each other alphabetically increasingly. */
2645 res
= strcmp(mc1
->family
, mc2
->family
);
2650 /* Within the same family, machine types sort in decreasing order. */
2651 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2652 object_class_get_name(OBJECT_CLASS(mc1
)));
2655 static MachineClass
*machine_parse(const char *name
)
2657 MachineClass
*mc
= NULL
;
2658 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2661 mc
= find_machine(name
);
2664 g_slist_free(machines
);
2667 if (name
&& !is_help_option(name
)) {
2668 error_report("unsupported machine type");
2669 error_printf("Use -machine help to list supported machines\n");
2671 printf("Supported machines are:\n");
2672 machines
= g_slist_sort(machines
, machine_class_cmp
);
2673 for (el
= machines
; el
; el
= el
->next
) {
2674 MachineClass
*mc
= el
->data
;
2676 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2678 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2679 mc
->is_default
? " (default)" : "");
2683 g_slist_free(machines
);
2684 exit(!name
|| !is_help_option(name
));
2687 void qemu_add_exit_notifier(Notifier
*notify
)
2689 notifier_list_add(&exit_notifiers
, notify
);
2692 void qemu_remove_exit_notifier(Notifier
*notify
)
2694 notifier_remove(notify
);
2697 static void qemu_run_exit_notifiers(void)
2699 notifier_list_notify(&exit_notifiers
, NULL
);
2702 bool machine_init_done
;
2704 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2706 notifier_list_add(&machine_init_done_notifiers
, notify
);
2707 if (machine_init_done
) {
2708 notify
->notify(notify
, NULL
);
2712 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2714 notifier_remove(notify
);
2717 static void qemu_run_machine_init_done_notifiers(void)
2719 machine_init_done
= true;
2720 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2723 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2724 const char **poptarg
, int *poptind
)
2726 const QEMUOption
*popt
;
2727 int optind
= *poptind
;
2728 char *r
= argv
[optind
];
2731 loc_set_cmdline(argv
, optind
, 1);
2733 /* Treat --foo the same as -foo. */
2736 popt
= qemu_options
;
2739 error_report("invalid option");
2742 if (!strcmp(popt
->name
, r
+ 1))
2746 if (popt
->flags
& HAS_ARG
) {
2747 if (optind
>= argc
) {
2748 error_report("requires an argument");
2751 optarg
= argv
[optind
++];
2752 loc_set_cmdline(argv
, optind
- 2, 2);
2763 static MachineClass
*select_machine(void)
2765 MachineClass
*machine_class
= find_default_machine();
2770 loc_push_none(&loc
);
2772 opts
= qemu_get_machine_opts();
2773 qemu_opts_loc_restore(opts
);
2775 optarg
= qemu_opt_get(opts
, "type");
2777 machine_class
= machine_parse(optarg
);
2780 if (!machine_class
) {
2781 error_report("No machine specified, and there is no default");
2782 error_printf("Use -machine help to list supported machines\n");
2787 return machine_class
;
2790 static int machine_set_property(void *opaque
,
2791 const char *name
, const char *value
,
2794 Object
*obj
= OBJECT(opaque
);
2795 Error
*local_err
= NULL
;
2798 if (strcmp(name
, "type") == 0) {
2802 qom_name
= g_strdup(name
);
2803 for (p
= qom_name
; *p
; p
++) {
2809 object_property_parse(obj
, value
, qom_name
, &local_err
);
2813 error_report_err(local_err
);
2822 * Initial object creation happens before all other
2823 * QEMU data types are created. The majority of objects
2824 * can be created at this point. The rng-egd object
2825 * cannot be created here, as it depends on the chardev
2828 static bool object_create_initial(const char *type
)
2830 if (g_str_equal(type
, "rng-egd") ||
2831 g_str_has_prefix(type
, "pr-manager-")) {
2835 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2836 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2842 * return false for concrete netfilters since
2843 * they depend on netdevs already existing
2845 if (g_str_equal(type
, "filter-buffer") ||
2846 g_str_equal(type
, "filter-dump") ||
2847 g_str_equal(type
, "filter-mirror") ||
2848 g_str_equal(type
, "filter-redirector") ||
2849 g_str_equal(type
, "colo-compare") ||
2850 g_str_equal(type
, "filter-rewriter") ||
2851 g_str_equal(type
, "filter-replay")) {
2855 /* Memory allocation by backends needs to be done
2856 * after configure_accelerator() (due to the tcg_enabled()
2857 * checks at memory_region_init_*()).
2859 * Also, allocation of large amounts of memory may delay
2860 * chardev initialization for too long, and trigger timeouts
2861 * on software that waits for a monitor socket to be created
2864 if (g_str_has_prefix(type
, "memory-backend-")) {
2873 * The remainder of object creation happens after the
2874 * creation of chardev, fsdev, net clients and device data types.
2876 static bool object_create_delayed(const char *type
)
2878 return !object_create_initial(type
);
2882 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2886 const char *mem_str
;
2887 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2888 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2891 loc_push_none(&loc
);
2892 qemu_opts_loc_restore(opts
);
2895 mem_str
= qemu_opt_get(opts
, "size");
2898 error_report("missing 'size' option value");
2902 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2904 /* Fix up legacy suffix-less format */
2905 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2906 uint64_t overflow_check
= sz
;
2909 if ((sz
>> 20) != overflow_check
) {
2910 error_report("too large 'size' option value");
2916 /* backward compatibility behaviour for case "-m 0" */
2918 sz
= default_ram_size
;
2921 sz
= QEMU_ALIGN_UP(sz
, 8192);
2923 if (ram_size
!= sz
) {
2924 error_report("ram size too large");
2928 /* store value for the future use */
2929 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2930 *maxram_size
= ram_size
;
2932 if (qemu_opt_get(opts
, "maxmem")) {
2935 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2936 slots
= qemu_opt_get_number(opts
, "slots", 0);
2937 if (sz
< ram_size
) {
2938 error_report("invalid value of -m option maxmem: "
2939 "maximum memory size (0x%" PRIx64
") must be at least "
2940 "the initial memory size (0x" RAM_ADDR_FMT
")",
2943 } else if (slots
&& sz
== ram_size
) {
2944 error_report("invalid value of -m option maxmem: "
2945 "memory slots were specified but maximum memory size "
2946 "(0x%" PRIx64
") is equal to the initial memory size "
2947 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2953 } else if (qemu_opt_get(opts
, "slots")) {
2954 error_report("invalid -m option value: missing 'maxmem' option");
2961 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2965 g
= g_malloc0(sizeof(*g
));
2966 g
->driver
= qemu_opt_get(opts
, "driver");
2967 g
->property
= qemu_opt_get(opts
, "property");
2968 g
->value
= qemu_opt_get(opts
, "value");
2969 g
->user_provided
= true;
2970 g
->errp
= &error_fatal
;
2971 qdev_prop_register_global(g
);
2975 static int qemu_read_default_config_file(void)
2979 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2980 if (ret
< 0 && ret
!= -ENOENT
) {
2987 static void user_register_global_props(void)
2989 qemu_opts_foreach(qemu_find_opts("global"),
2990 global_init_func
, NULL
, NULL
);
2994 * Note: we should see that these properties are actually having a
2995 * priority: accel < machine < user. This means e.g. when user
2996 * specifies something in "-global", it'll always be used with highest
2997 * priority than either machine/accelerator compat properties.
2999 static void register_global_properties(MachineState
*ms
)
3001 accel_register_compat_props(ms
->accelerator
);
3002 machine_register_compat_props(ms
);
3003 user_register_global_props();
3006 int main(int argc
, char **argv
, char **envp
)
3009 int snapshot
, linux_boot
;
3010 const char *initrd_filename
;
3011 const char *kernel_filename
, *kernel_cmdline
;
3012 const char *boot_order
= NULL
;
3013 const char *boot_once
= NULL
;
3015 QemuOpts
*opts
, *machine_opts
;
3016 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
3017 QemuOptsList
*olist
;
3020 const char *loadvm
= NULL
;
3021 MachineClass
*machine_class
;
3022 const char *cpu_model
;
3023 const char *vga_model
= NULL
;
3024 const char *qtest_chrdev
= NULL
;
3025 const char *qtest_log
= NULL
;
3026 const char *pid_file
= NULL
;
3027 const char *incoming
= NULL
;
3028 bool userconfig
= true;
3029 bool nographic
= false;
3030 int display_remote
= 0;
3031 const char *log_mask
= NULL
;
3032 const char *log_file
= NULL
;
3033 char *trace_file
= NULL
;
3034 ram_addr_t maxram_size
;
3035 uint64_t ram_slots
= 0;
3036 FILE *vmstate_dump_file
= NULL
;
3037 Error
*main_loop_err
= NULL
;
3039 bool list_data_dirs
= false;
3041 typedef struct BlockdevOptions_queue
{
3042 BlockdevOptions
*bdo
;
3044 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
3045 } BlockdevOptions_queue
;
3046 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
3047 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
3049 module_call_init(MODULE_INIT_TRACE
);
3051 qemu_init_cpu_list();
3052 qemu_init_cpu_loop();
3054 qemu_mutex_lock_iothread();
3056 atexit(qemu_run_exit_notifiers
);
3057 error_set_progname(argv
[0]);
3058 qemu_init_exec_dir(argv
[0]);
3060 module_call_init(MODULE_INIT_QOM
);
3062 qemu_add_opts(&qemu_drive_opts
);
3063 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3064 qemu_add_drive_opts(&qemu_common_drive_opts
);
3065 qemu_add_drive_opts(&qemu_drive_opts
);
3066 qemu_add_drive_opts(&bdrv_runtime_opts
);
3067 qemu_add_opts(&qemu_chardev_opts
);
3068 qemu_add_opts(&qemu_device_opts
);
3069 qemu_add_opts(&qemu_netdev_opts
);
3070 qemu_add_opts(&qemu_nic_opts
);
3071 qemu_add_opts(&qemu_net_opts
);
3072 qemu_add_opts(&qemu_rtc_opts
);
3073 qemu_add_opts(&qemu_global_opts
);
3074 qemu_add_opts(&qemu_mon_opts
);
3075 qemu_add_opts(&qemu_trace_opts
);
3076 qemu_add_opts(&qemu_option_rom_opts
);
3077 qemu_add_opts(&qemu_machine_opts
);
3078 qemu_add_opts(&qemu_accel_opts
);
3079 qemu_add_opts(&qemu_mem_opts
);
3080 qemu_add_opts(&qemu_smp_opts
);
3081 qemu_add_opts(&qemu_boot_opts
);
3082 qemu_add_opts(&qemu_sandbox_opts
);
3083 qemu_add_opts(&qemu_add_fd_opts
);
3084 qemu_add_opts(&qemu_object_opts
);
3085 qemu_add_opts(&qemu_tpmdev_opts
);
3086 qemu_add_opts(&qemu_realtime_opts
);
3087 qemu_add_opts(&qemu_msg_opts
);
3088 qemu_add_opts(&qemu_name_opts
);
3089 qemu_add_opts(&qemu_numa_opts
);
3090 qemu_add_opts(&qemu_icount_opts
);
3091 qemu_add_opts(&qemu_semihosting_config_opts
);
3092 qemu_add_opts(&qemu_fw_cfg_opts
);
3093 module_call_init(MODULE_INIT_OPTS
);
3096 postcopy_infrastructure_init();
3098 if (qcrypto_init(&err
) < 0) {
3099 error_reportf_err(err
, "cannot initialize crypto: ");
3102 rtc_clock
= QEMU_CLOCK_HOST
;
3104 QLIST_INIT (&vm_change_state_head
);
3105 os_setup_early_signal_handling();
3112 bdrv_init_with_whitelist();
3116 /* first pass of option parsing */
3118 while (optind
< argc
) {
3119 if (argv
[optind
][0] != '-') {
3123 const QEMUOption
*popt
;
3125 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3126 switch (popt
->index
) {
3127 case QEMU_OPTION_nodefconfig
:
3128 case QEMU_OPTION_nouserconfig
:
3136 if (qemu_read_default_config_file() < 0) {
3141 /* second pass of option parsing */
3146 if (argv
[optind
][0] != '-') {
3147 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3149 const QEMUOption
*popt
;
3151 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3152 if (!(popt
->arch_mask
& arch_type
)) {
3153 error_report("Option not supported for this target");
3156 switch(popt
->index
) {
3157 case QEMU_OPTION_cpu
:
3158 /* hw initialization will check this */
3161 case QEMU_OPTION_hda
:
3162 case QEMU_OPTION_hdb
:
3163 case QEMU_OPTION_hdc
:
3164 case QEMU_OPTION_hdd
:
3165 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3168 case QEMU_OPTION_blockdev
:
3171 BlockdevOptions_queue
*bdo
;
3173 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3175 error_report_err(err
);
3179 bdo
= g_new(BlockdevOptions_queue
, 1);
3180 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3183 loc_save(&bdo
->loc
);
3184 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3187 case QEMU_OPTION_drive
:
3188 if (drive_def(optarg
) == NULL
) {
3192 case QEMU_OPTION_set
:
3193 if (qemu_set_option(optarg
) != 0)
3196 case QEMU_OPTION_global
:
3197 if (qemu_global_option(optarg
) != 0)
3200 case QEMU_OPTION_mtdblock
:
3201 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3203 case QEMU_OPTION_sd
:
3204 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3206 case QEMU_OPTION_pflash
:
3207 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3209 case QEMU_OPTION_snapshot
:
3212 case QEMU_OPTION_numa
:
3213 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3219 case QEMU_OPTION_display
:
3220 parse_display(optarg
);
3222 case QEMU_OPTION_nographic
:
3223 olist
= qemu_find_opts("machine");
3224 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3226 dpy
.type
= DISPLAY_TYPE_NONE
;
3228 case QEMU_OPTION_curses
:
3229 #ifdef CONFIG_CURSES
3230 dpy
.type
= DISPLAY_TYPE_CURSES
;
3232 error_report("curses support is disabled");
3236 case QEMU_OPTION_portrait
:
3237 graphic_rotate
= 90;
3239 case QEMU_OPTION_rotate
:
3240 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3241 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3242 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3243 error_report("only 90, 180, 270 deg rotation is available");
3247 case QEMU_OPTION_kernel
:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3251 case QEMU_OPTION_initrd
:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3255 case QEMU_OPTION_append
:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3259 case QEMU_OPTION_dtb
:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3263 case QEMU_OPTION_cdrom
:
3264 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3266 case QEMU_OPTION_boot
:
3267 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3273 case QEMU_OPTION_fda
:
3274 case QEMU_OPTION_fdb
:
3275 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3278 case QEMU_OPTION_no_fd_bootchk
:
3281 case QEMU_OPTION_netdev
:
3283 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3287 case QEMU_OPTION_nic
:
3289 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3293 case QEMU_OPTION_net
:
3295 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3299 #ifdef CONFIG_LIBISCSI
3300 case QEMU_OPTION_iscsi
:
3301 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3309 case QEMU_OPTION_tftp
:
3310 error_report("The -tftp option is deprecated. "
3311 "Please use '-netdev user,tftp=...' instead.");
3312 legacy_tftp_prefix
= optarg
;
3314 case QEMU_OPTION_bootp
:
3315 error_report("The -bootp option is deprecated. "
3316 "Please use '-netdev user,bootfile=...' instead.");
3317 legacy_bootp_filename
= optarg
;
3319 case QEMU_OPTION_redir
:
3320 error_report("The -redir option is deprecated. "
3321 "Please use '-netdev user,hostfwd=...' instead.");
3322 if (net_slirp_redir(optarg
) < 0)
3326 case QEMU_OPTION_bt
:
3327 add_device_config(DEV_BT
, optarg
);
3329 case QEMU_OPTION_audio_help
:
3333 case QEMU_OPTION_soundhw
:
3334 select_soundhw (optarg
);
3339 case QEMU_OPTION_version
:
3344 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3351 case QEMU_OPTION_tpmdev
:
3352 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3357 case QEMU_OPTION_mempath
:
3360 case QEMU_OPTION_mem_prealloc
:
3369 case QEMU_OPTION_DFILTER
:
3370 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3373 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3375 case QEMU_OPTION_gdb
:
3376 add_device_config(DEV_GDB
, optarg
);
3379 if (is_help_option(optarg
)) {
3380 list_data_dirs
= true;
3382 qemu_add_data_dir(optarg
);
3385 case QEMU_OPTION_bios
:
3386 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3389 case QEMU_OPTION_singlestep
:
3396 keyboard_layout
= optarg
;
3398 case QEMU_OPTION_localtime
:
3400 warn_report("This option is deprecated, "
3401 "use '-rtc base=localtime' instead.");
3403 case QEMU_OPTION_vga
:
3412 w
= strtol(p
, (char **)&p
, 10);
3415 error_report("invalid resolution or depth");
3421 h
= strtol(p
, (char **)&p
, 10);
3426 depth
= strtol(p
, (char **)&p
, 10);
3427 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3428 depth
!= 24 && depth
!= 32)
3430 } else if (*p
== '\0') {
3431 depth
= graphic_depth
;
3438 graphic_depth
= depth
;
3441 case QEMU_OPTION_echr
:
3444 term_escape_char
= strtol(optarg
, &r
, 0);
3446 printf("Bad argument to echr\n");
3449 case QEMU_OPTION_monitor
:
3450 default_monitor
= 0;
3451 if (strncmp(optarg
, "none", 4)) {
3452 monitor_parse(optarg
, "readline", false);
3455 case QEMU_OPTION_qmp
:
3456 monitor_parse(optarg
, "control", false);
3457 default_monitor
= 0;
3459 case QEMU_OPTION_qmp_pretty
:
3460 monitor_parse(optarg
, "control", true);
3461 default_monitor
= 0;
3463 case QEMU_OPTION_mon
:
3464 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3469 default_monitor
= 0;
3471 case QEMU_OPTION_chardev
:
3472 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3478 case QEMU_OPTION_fsdev
:
3479 olist
= qemu_find_opts("fsdev");
3481 error_report("fsdev support is disabled");
3484 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3489 case QEMU_OPTION_virtfs
: {
3492 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3494 olist
= qemu_find_opts("virtfs");
3496 error_report("virtfs support is disabled");
3499 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3504 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3505 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3506 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3509 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3510 qemu_opts_id(opts
) ?:
3511 qemu_opt_get(opts
, "mount_tag"),
3514 error_report("duplicate or invalid fsdev id: %s",
3515 qemu_opt_get(opts
, "mount_tag"));
3519 writeout
= qemu_opt_get(opts
, "writeout");
3521 #ifdef CONFIG_SYNC_FILE_RANGE
3522 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3524 error_report("writeout=immediate not supported "
3525 "on this platform");
3529 qemu_opt_set(fsdev
, "fsdriver",
3530 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3531 path
= qemu_opt_get(opts
, "path");
3533 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3535 security_model
= qemu_opt_get(opts
, "security_model");
3536 if (security_model
) {
3537 qemu_opt_set(fsdev
, "security_model", security_model
,
3540 socket
= qemu_opt_get(opts
, "socket");
3542 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3544 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3546 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3549 qemu_opt_set_bool(fsdev
, "readonly",
3550 qemu_opt_get_bool(opts
, "readonly", 0),
3552 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3554 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3555 qemu_opt_set(device
, "fsdev",
3556 qemu_opts_id(fsdev
), &error_abort
);
3557 qemu_opt_set(device
, "mount_tag",
3558 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3561 case QEMU_OPTION_virtfs_synth
: {
3565 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3568 error_report("duplicate option: %s", "virtfs_synth");
3571 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3573 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3575 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3576 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3577 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3580 case QEMU_OPTION_serial
:
3581 add_device_config(DEV_SERIAL
, optarg
);
3583 if (strncmp(optarg
, "mon:", 4) == 0) {
3584 default_monitor
= 0;
3587 case QEMU_OPTION_watchdog
:
3589 error_report("only one watchdog option may be given");
3594 case QEMU_OPTION_watchdog_action
:
3595 if (select_watchdog_action(optarg
) == -1) {
3596 error_report("unknown -watchdog-action parameter");
3600 case QEMU_OPTION_virtiocon
:
3601 warn_report("This option is deprecated, "
3602 "use '-device virtconsole' instead");
3603 add_device_config(DEV_VIRTCON
, optarg
);
3604 default_virtcon
= 0;
3605 if (strncmp(optarg
, "mon:", 4) == 0) {
3606 default_monitor
= 0;
3609 case QEMU_OPTION_parallel
:
3610 add_device_config(DEV_PARALLEL
, optarg
);
3611 default_parallel
= 0;
3612 if (strncmp(optarg
, "mon:", 4) == 0) {
3613 default_monitor
= 0;
3616 case QEMU_OPTION_debugcon
:
3617 add_device_config(DEV_DEBUGCON
, optarg
);
3619 case QEMU_OPTION_loadvm
:
3622 case QEMU_OPTION_full_screen
:
3623 dpy
.has_full_screen
= true;
3624 dpy
.full_screen
= true;
3626 case QEMU_OPTION_no_frame
:
3627 g_printerr("The -no-frame switch is deprecated, and will be\n"
3628 "removed in a future release.\n");
3631 case QEMU_OPTION_alt_grab
:
3634 case QEMU_OPTION_ctrl_grab
:
3637 case QEMU_OPTION_no_quit
:
3638 dpy
.has_window_close
= true;
3639 dpy
.window_close
= false;
3641 case QEMU_OPTION_sdl
:
3643 dpy
.type
= DISPLAY_TYPE_SDL
;
3646 error_report("SDL support is disabled");
3649 case QEMU_OPTION_pidfile
:
3652 case QEMU_OPTION_win2k_hack
:
3653 win2k_install_hack
= 1;
3655 case QEMU_OPTION_rtc_td_hack
: {
3656 static GlobalProperty slew_lost_ticks
= {
3657 .driver
= "mc146818rtc",
3658 .property
= "lost_tick_policy",
3662 qdev_prop_register_global(&slew_lost_ticks
);
3663 warn_report("This option is deprecated, "
3664 "use '-rtc driftfix=slew' instead.");
3667 case QEMU_OPTION_acpitable
:
3668 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3673 acpi_table_add(opts
, &error_fatal
);
3675 case QEMU_OPTION_smbios
:
3676 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3681 smbios_entry_add(opts
, &error_fatal
);
3683 case QEMU_OPTION_fwcfg
:
3684 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3690 case QEMU_OPTION_preconfig
:
3691 preconfig_exit_requested
= false;
3693 case QEMU_OPTION_enable_kvm
:
3694 olist
= qemu_find_opts("machine");
3695 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3697 case QEMU_OPTION_enable_hax
:
3698 olist
= qemu_find_opts("machine");
3699 qemu_opts_parse_noisily(olist
, "accel=hax", false);
3702 case QEMU_OPTION_machine
:
3703 olist
= qemu_find_opts("machine");
3704 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3709 case QEMU_OPTION_no_kvm
:
3710 olist
= qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3713 case QEMU_OPTION_accel
:
3714 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3716 optarg
= qemu_opt_get(accel_opts
, "accel");
3717 if (!optarg
|| is_help_option(optarg
)) {
3718 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3721 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3722 false, &error_abort
);
3723 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3725 case QEMU_OPTION_usb
:
3726 olist
= qemu_find_opts("machine");
3727 qemu_opts_parse_noisily(olist
, "usb=on", false);
3729 case QEMU_OPTION_usbdevice
:
3730 error_report("'-usbdevice' is deprecated, please use "
3731 "'-device usb-...' instead");
3732 olist
= qemu_find_opts("machine");
3733 qemu_opts_parse_noisily(olist
, "usb=on", false);
3734 add_device_config(DEV_USB
, optarg
);
3736 case QEMU_OPTION_device
:
3737 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3742 case QEMU_OPTION_smp
:
3743 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3748 case QEMU_OPTION_vnc
:
3749 vnc_parse(optarg
, &error_fatal
);
3751 case QEMU_OPTION_no_acpi
:
3754 case QEMU_OPTION_no_hpet
:
3757 case QEMU_OPTION_balloon
:
3758 if (balloon_parse(optarg
) < 0) {
3759 error_report("unknown -balloon argument %s", optarg
);
3763 case QEMU_OPTION_no_reboot
:
3766 case QEMU_OPTION_no_shutdown
:
3769 case QEMU_OPTION_show_cursor
:
3772 case QEMU_OPTION_uuid
:
3773 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3774 error_report("failed to parse UUID string: wrong format");
3777 qemu_uuid_set
= true;
3779 case QEMU_OPTION_option_rom
:
3780 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3781 error_report("too many option ROMs");
3784 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3789 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3790 option_rom
[nb_option_roms
].bootindex
=
3791 qemu_opt_get_number(opts
, "bootindex", -1);
3792 if (!option_rom
[nb_option_roms
].name
) {
3793 error_report("Option ROM file is not specified");
3798 case QEMU_OPTION_semihosting
:
3799 semihosting
.enabled
= true;
3800 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3802 case QEMU_OPTION_semihosting_config
:
3803 semihosting
.enabled
= true;
3804 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3807 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3809 const char *target
= qemu_opt_get(opts
, "target");
3810 if (target
!= NULL
) {
3811 if (strcmp("native", target
) == 0) {
3812 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3813 } else if (strcmp("gdb", target
) == 0) {
3814 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3815 } else if (strcmp("auto", target
) == 0) {
3816 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3818 error_report("unsupported semihosting-config %s",
3823 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3825 /* Set semihosting argument count and vector */
3826 qemu_opt_foreach(opts
, add_semihosting_arg
,
3827 &semihosting
, NULL
);
3829 error_report("unsupported semihosting-config %s", optarg
);
3833 case QEMU_OPTION_name
:
3834 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3840 case QEMU_OPTION_prom_env
:
3841 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3842 error_report("too many prom variables");
3845 prom_envs
[nb_prom_envs
] = optarg
;
3848 case QEMU_OPTION_old_param
:
3851 case QEMU_OPTION_clock
:
3852 /* Clock options no longer exist. Keep this option for
3853 * backward compatibility.
3856 case QEMU_OPTION_startdate
:
3857 warn_report("This option is deprecated, use '-rtc base=' instead.");
3858 configure_rtc_date_offset(optarg
, 1);
3860 case QEMU_OPTION_rtc
:
3861 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3866 configure_rtc(opts
);
3868 case QEMU_OPTION_tb_size
:
3870 error_report("TCG is disabled");
3873 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3874 error_report("Invalid argument to -tb-size");
3878 case QEMU_OPTION_icount
:
3879 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3885 case QEMU_OPTION_incoming
:
3887 runstate_set(RUN_STATE_INMIGRATE
);
3891 case QEMU_OPTION_only_migratable
:
3893 * TODO: we can remove this option one day, and we
3896 * "-global migration.only-migratable=true"
3898 qemu_global_option("migration.only-migratable=true");
3900 case QEMU_OPTION_nodefaults
:
3903 case QEMU_OPTION_xen_domid
:
3904 if (!(xen_available())) {
3905 error_report("Option not supported for this target");
3908 xen_domid
= atoi(optarg
);
3910 case QEMU_OPTION_xen_create
:
3911 if (!(xen_available())) {
3912 error_report("Option not supported for this target");
3915 xen_mode
= XEN_CREATE
;
3917 case QEMU_OPTION_xen_attach
:
3918 if (!(xen_available())) {
3919 error_report("Option not supported for this target");
3922 xen_mode
= XEN_ATTACH
;
3924 case QEMU_OPTION_xen_domid_restrict
:
3925 if (!(xen_available())) {
3926 error_report("Option not supported for this target");
3929 xen_domid_restrict
= true;
3931 case QEMU_OPTION_trace
:
3933 trace_file
= trace_opt_parse(optarg
);
3935 case QEMU_OPTION_readconfig
:
3937 int ret
= qemu_read_config_file(optarg
);
3939 error_report("read config %s: %s", optarg
,
3945 case QEMU_OPTION_spice
:
3946 olist
= qemu_find_opts("spice");
3948 error_report("spice support is disabled");
3951 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3957 case QEMU_OPTION_writeconfig
:
3960 if (strcmp(optarg
, "-") == 0) {
3963 fp
= fopen(optarg
, "w");
3965 error_report("open %s: %s", optarg
,
3970 qemu_config_write(fp
);
3976 case QEMU_OPTION_qtest
:
3977 qtest_chrdev
= optarg
;
3979 case QEMU_OPTION_qtest_log
:
3982 case QEMU_OPTION_sandbox
:
3983 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3989 case QEMU_OPTION_add_fd
:
3991 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3997 error_report("File descriptor passing is disabled on this "
4002 case QEMU_OPTION_object
:
4003 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
4009 case QEMU_OPTION_realtime
:
4010 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4015 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
4017 case QEMU_OPTION_msg
:
4018 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
4023 configure_msg(opts
);
4025 case QEMU_OPTION_dump_vmstate
:
4026 if (vmstate_dump_file
) {
4027 error_report("only one '-dump-vmstate' "
4028 "option may be given");
4031 vmstate_dump_file
= fopen(optarg
, "w");
4032 if (vmstate_dump_file
== NULL
) {
4033 error_report("open %s: %s", optarg
, strerror(errno
));
4037 case QEMU_OPTION_nodefconfig
:
4038 case QEMU_OPTION_nouserconfig
:
4039 /* Nothing to be parsed here. Especially, do not error out below. */
4042 if (os_parse_cmd_args(popt
->index
, optarg
)) {
4043 error_report("Option not supported in this build");
4050 * Clear error location left behind by the loop.
4051 * Best done right after the loop. Do not insert code here!
4055 replay_configure(icount_opts
);
4057 if (incoming
&& !preconfig_exit_requested
) {
4058 error_report("'preconfig' and 'incoming' options are "
4059 "mutually exclusive");
4063 machine_class
= select_machine();
4065 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4068 rcu_disable_atfork();
4070 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4071 error_report("could not acquire pid file: %s", strerror(errno
));
4075 if (qemu_init_main_loop(&main_loop_err
)) {
4076 error_report_err(main_loop_err
);
4080 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4081 parse_sandbox
, NULL
, NULL
)) {
4085 if (qemu_opts_foreach(qemu_find_opts("name"),
4086 parse_name
, NULL
, NULL
)) {
4091 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4092 parse_add_fd
, NULL
, NULL
)) {
4096 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4097 cleanup_add_fd
, NULL
, NULL
)) {
4102 current_machine
= MACHINE(object_new(object_class_get_name(
4103 OBJECT_CLASS(machine_class
))));
4104 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4107 object_property_add_child(object_get_root(), "machine",
4108 OBJECT(current_machine
), &error_abort
);
4110 if (machine_class
->minimum_page_bits
) {
4111 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4112 /* This would be a board error: specifying a minimum smaller than
4113 * a target's compile-time fixed setting.
4115 g_assert_not_reached();
4119 cpu_exec_init_all();
4121 if (machine_class
->hw_version
) {
4122 qemu_set_hw_version(machine_class
->hw_version
);
4125 if (cpu_model
&& is_help_option(cpu_model
)) {
4126 list_cpus(stdout
, &fprintf
, cpu_model
);
4130 if (!trace_init_backends()) {
4133 trace_init_file(trace_file
);
4135 /* Open the logfile at this point and set the log mask if necessary.
4138 qemu_set_log_filename(log_file
, &error_fatal
);
4143 mask
= qemu_str_to_log_mask(log_mask
);
4145 qemu_print_log_usage(stdout
);
4153 /* add configured firmware directories */
4154 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4155 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4156 qemu_add_data_dir(dirs
[i
]);
4160 /* try to find datadir relative to the executable path */
4161 dir
= os_find_datadir();
4162 qemu_add_data_dir(dir
);
4165 /* add the datadir specified when building */
4166 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4168 /* -L help lists the data directories and exits. */
4169 if (list_data_dirs
) {
4170 for (i
= 0; i
< data_dir_idx
; i
++) {
4171 printf("%s\n", data_dir
[i
]);
4176 /* machine_class: default to UP */
4177 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4178 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4179 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4181 /* default to machine_class->default_cpus */
4182 smp_cpus
= machine_class
->default_cpus
;
4183 max_cpus
= machine_class
->default_cpus
;
4185 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4187 /* sanity-check smp_cpus and max_cpus against machine_class */
4188 if (smp_cpus
< machine_class
->min_cpus
) {
4189 error_report("Invalid SMP CPUs %d. The min CPUs "
4190 "supported by machine '%s' is %d", smp_cpus
,
4191 machine_class
->name
, machine_class
->min_cpus
);
4194 if (max_cpus
> machine_class
->max_cpus
) {
4195 error_report("Invalid SMP CPUs %d. The max CPUs "
4196 "supported by machine '%s' is %d", max_cpus
,
4197 machine_class
->name
, machine_class
->max_cpus
);
4202 * Get the default machine options from the machine if it is not already
4203 * specified either by the configuration file or by the command line.
4205 if (machine_class
->default_machine_opts
) {
4206 qemu_opts_set_defaults(qemu_find_opts("machine"),
4207 machine_class
->default_machine_opts
, 0);
4210 qemu_opts_foreach(qemu_find_opts("device"),
4211 default_driver_check
, NULL
, NULL
);
4212 qemu_opts_foreach(qemu_find_opts("global"),
4213 default_driver_check
, NULL
, NULL
);
4215 if (!vga_model
&& !default_vga
) {
4216 vga_interface_type
= VGA_DEVICE
;
4218 if (!has_defaults
|| machine_class
->no_serial
) {
4221 if (!has_defaults
|| machine_class
->no_parallel
) {
4222 default_parallel
= 0;
4224 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4225 default_virtcon
= 0;
4227 if (!has_defaults
|| machine_class
->no_floppy
) {
4230 if (!has_defaults
|| machine_class
->no_cdrom
) {
4233 if (!has_defaults
|| machine_class
->no_sdcard
) {
4236 if (!has_defaults
) {
4237 default_monitor
= 0;
4242 if (is_daemonized()) {
4243 /* According to documentation and historically, -nographic redirects
4244 * serial port, parallel port and monitor to stdio, which does not work
4245 * with -daemonize. We can redirect these to null instead, but since
4246 * -nographic is legacy, let's just error out.
4247 * We disallow -nographic only if all other ports are not redirected
4248 * explicitly, to not break existing legacy setups which uses
4249 * -nographic _and_ redirects all ports explicitly - this is valid
4250 * usage, -nographic is just a no-op in this case.
4253 && (default_parallel
|| default_serial
4254 || default_monitor
|| default_virtcon
)) {
4255 error_report("-nographic cannot be used with -daemonize");
4258 #ifdef CONFIG_CURSES
4259 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4260 error_report("curses display cannot be used with -daemonize");
4267 if (default_parallel
)
4268 add_device_config(DEV_PARALLEL
, "null");
4269 if (default_serial
&& default_monitor
) {
4270 add_device_config(DEV_SERIAL
, "mon:stdio");
4271 } else if (default_virtcon
&& default_monitor
) {
4272 add_device_config(DEV_VIRTCON
, "mon:stdio");
4275 add_device_config(DEV_SERIAL
, "stdio");
4276 if (default_virtcon
)
4277 add_device_config(DEV_VIRTCON
, "stdio");
4278 if (default_monitor
)
4279 monitor_parse("stdio", "readline", false);
4283 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4284 if (default_parallel
)
4285 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4286 if (default_monitor
)
4287 monitor_parse("vc:80Cx24C", "readline", false);
4288 if (default_virtcon
)
4289 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4292 #if defined(CONFIG_VNC)
4293 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4297 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4298 if (!qemu_display_find_default(&dpy
)) {
4299 dpy
.type
= DISPLAY_TYPE_NONE
;
4300 #if defined(CONFIG_VNC)
4301 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4305 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4306 dpy
.type
= DISPLAY_TYPE_NONE
;
4309 if ((no_frame
|| alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4310 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4311 "for SDL, ignoring option");
4313 if (dpy
.has_window_close
&&
4314 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4315 error_report("-no-quit is only valid for GTK and SDL, "
4319 qemu_display_early_init(&dpy
);
4320 qemu_console_early_init();
4322 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4323 #if defined(CONFIG_OPENGL)
4324 error_report("OpenGL is not supported by the display");
4326 error_report("OpenGL support is disabled");
4334 if (qemu_opts_foreach(qemu_find_opts("object"),
4335 user_creatable_add_opts_foreach
,
4336 object_create_initial
, NULL
)) {
4340 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4341 chardev_init_func
, NULL
, NULL
)) {
4345 #ifdef CONFIG_VIRTFS
4346 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4347 fsdev_init_func
, NULL
, NULL
)) {
4352 if (qemu_opts_foreach(qemu_find_opts("device"),
4353 device_help_func
, NULL
, NULL
)) {
4357 machine_opts
= qemu_get_machine_opts();
4358 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4360 object_unref(OBJECT(current_machine
));
4364 configure_accelerator(current_machine
);
4367 * Register all the global properties, including accel properties,
4368 * machine properties, and user-specified ones.
4370 register_global_properties(current_machine
);
4373 * Migration object can only be created after global properties
4374 * are applied correctly.
4376 migration_object_init();
4379 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4382 machine_opts
= qemu_get_machine_opts();
4383 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4384 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4385 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4386 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4388 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4390 boot_order
= qemu_opt_get(opts
, "order");
4392 validate_bootdevices(boot_order
, &error_fatal
);
4395 boot_once
= qemu_opt_get(opts
, "once");
4397 validate_bootdevices(boot_once
, &error_fatal
);
4400 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4401 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4405 boot_order
= machine_class
->default_boot_order
;
4408 if (!kernel_cmdline
) {
4409 kernel_cmdline
= "";
4410 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4413 linux_boot
= (kernel_filename
!= NULL
);
4415 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4416 error_report("-append only allowed with -kernel option");
4420 if (!linux_boot
&& initrd_filename
!= NULL
) {
4421 error_report("-initrd only allowed with -kernel option");
4425 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4426 /* fall back to the -kernel/-append */
4427 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4430 os_set_line_buffering();
4432 /* spice needs the timers to be initialized by this point */
4437 if (!tcg_enabled()) {
4438 error_report("-icount is not allowed with hardware virtualization");
4441 configure_icount(icount_opts
, &error_abort
);
4442 qemu_opts_del(icount_opts
);
4445 if (tcg_enabled()) {
4446 qemu_tcg_configure(accel_opts
, &error_fatal
);
4450 QemuOptsList
*net
= qemu_find_opts("net");
4451 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4453 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4459 if (net_init_clients(&err
) < 0) {
4460 error_report_err(err
);
4464 if (qemu_opts_foreach(qemu_find_opts("object"),
4465 user_creatable_add_opts_foreach
,
4466 object_create_delayed
, NULL
)) {
4470 if (tpm_init() < 0) {
4474 /* init the bluetooth world */
4475 if (foreach_device_config(DEV_BT
, bt_parse
))
4478 if (!xen_enabled()) {
4479 /* On 32-bit hosts, QEMU is limited by virtual address space */
4480 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4481 error_report("at most 2047 MB RAM can be simulated");
4488 dirty_bitmap_mig_init();
4490 /* If the currently selected machine wishes to override the units-per-bus
4491 * property of its default HBA interface type, do so now. */
4492 if (machine_class
->units_per_default_bus
) {
4493 override_max_devs(machine_class
->block_default_type
,
4494 machine_class
->units_per_default_bus
);
4497 /* open the virtual block devices */
4498 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4499 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4501 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4502 loc_push_restore(&bdo
->loc
);
4503 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4505 qapi_free_BlockdevOptions(bdo
->bdo
);
4508 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4509 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4512 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4513 &machine_class
->block_default_type
, NULL
)) {
4517 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4519 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4520 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4523 * Note: qtest_enabled() (which is used in monitor_qapi_event_init())
4524 * depends on configure_accelerator() above.
4526 monitor_init_globals();
4528 if (qemu_opts_foreach(qemu_find_opts("mon"),
4529 mon_init_func
, NULL
, NULL
)) {
4533 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4535 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4537 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4539 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4542 /* If no default VGA is requested, the default is "none". */
4544 if (machine_class
->default_display
) {
4545 vga_model
= machine_class
->default_display
;
4546 } else if (vga_interface_available(VGA_CIRRUS
)) {
4547 vga_model
= "cirrus";
4548 } else if (vga_interface_available(VGA_STD
)) {
4553 select_vgahw(vga_model
);
4557 i
= select_watchdog(watchdog
);
4559 exit (i
== 1 ? 1 : 0);
4562 /* This checkpoint is required by replay to separate prior clock
4563 reading from the other reads, because timer polling functions query
4564 clock values from the log. */
4565 replay_checkpoint(CHECKPOINT_INIT
);
4566 qdev_machine_init();
4568 current_machine
->ram_size
= ram_size
;
4569 current_machine
->maxram_size
= maxram_size
;
4570 current_machine
->ram_slots
= ram_slots
;
4571 current_machine
->boot_order
= boot_order
;
4573 /* parse features once if machine provides default cpu_type */
4574 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4576 current_machine
->cpu_type
= parse_cpu_model(cpu_model
);
4578 parse_numa_opts(current_machine
);
4580 /* do monitor/qmp handling at preconfig state if requested */
4583 /* from here on runstate is RUN_STATE_PRELAUNCH */
4584 machine_run_board_init(current_machine
);
4590 if (hax_enabled()) {
4594 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4595 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4599 /* init USB devices */
4600 if (machine_usb(current_machine
)) {
4601 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4605 /* Check if IGD GFX passthrough. */
4608 /* init generic devices */
4609 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4610 if (qemu_opts_foreach(qemu_find_opts("device"),
4611 device_init_func
, NULL
, NULL
)) {
4615 cpu_synchronize_all_post_init();
4617 rom_reset_order_override();
4619 /* Did we create any drives that we failed to create a device for? */
4620 drive_check_orphaned();
4622 /* Don't warn about the default network setup that you get if
4623 * no command line -net or -netdev options are specified. There
4624 * are two cases that we would otherwise complain about:
4625 * (1) board doesn't support a NIC but the implicit "-net nic"
4627 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4628 * sets up a nic that isn't connected to anything.
4631 net_check_clients();
4636 qemu_boot_set(boot_once
, &error_fatal
);
4637 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4640 /* init local displays */
4641 ds
= init_displaystate();
4642 qemu_display_init(ds
, &dpy
);
4644 /* must be after terminal init, SDL library changes signal handlers */
4645 os_setup_signal_handling();
4647 /* init remote displays */
4649 qemu_opts_foreach(qemu_find_opts("vnc"),
4650 vnc_init_func
, NULL
, NULL
);
4654 qemu_spice_display_init();
4657 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4661 qdev_machine_creation_done();
4663 /* TODO: once all bus devices are qdevified, this should be done
4664 * when bus is created by qdev.c */
4665 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4666 qemu_run_machine_init_done_notifiers();
4668 if (rom_check_and_register_reset() != 0) {
4669 error_report("rom check and register reset failed");
4675 /* This checkpoint is required by replay to separate prior clock
4676 reading from the other reads, because timer polling functions query
4677 clock values from the log. */
4678 replay_checkpoint(CHECKPOINT_RESET
);
4679 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4680 register_global_state();
4681 if (replay_mode
!= REPLAY_MODE_NONE
) {
4682 replay_vmstate_init();
4683 } else if (loadvm
) {
4684 Error
*local_err
= NULL
;
4685 if (load_snapshot(loadvm
, &local_err
) < 0) {
4686 error_report_err(local_err
);
4691 qdev_prop_check_globals();
4692 if (vmstate_dump_file
) {
4694 dump_vmstate_json_to_file(vmstate_dump_file
);
4699 Error
*local_err
= NULL
;
4700 qemu_start_incoming_migration(incoming
, &local_err
);
4702 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4705 } else if (autostart
) {
4709 accel_setup_post(current_machine
);
4714 gdbserver_cleanup();
4716 /* No more vcpu or device emulation activity beyond this point */
4719 job_cancel_sync_all();
4724 /* vhost-user must be cleaned up before chardevs. */
4730 user_creatable_cleanup();
4731 migration_object_finalize();
4732 /* TODO: unref root container, check all devices are ok */