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 "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qemu/option.h"
101 #include "qemu/config-file.h"
102 #include "qemu-options.h"
103 #include "qemu/main-loop.h"
105 #include "fsdev/qemu-fsdev.h"
107 #include "sysemu/qtest.h"
109 #include "disas/disas.h"
112 #include "slirp/libslirp.h"
114 #include "trace-root.h"
115 #include "trace/control.h"
116 #include "qemu/queue.h"
117 #include "sysemu/arch_init.h"
119 #include "ui/qemu-spice.h"
120 #include "qapi/string-input-visitor.h"
121 #include "qapi/opts-visitor.h"
122 #include "qom/object_interfaces.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125 #include "sysemu/replay.h"
126 #include "qapi/qapi-events-run-state.h"
127 #include "qapi/qapi-visit-block-core.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
134 #define MAX_VIRTIO_CONSOLES 1
135 #define MAX_SCLP_CONSOLES 1
137 static const char *data_dir
[16];
138 static int data_dir_idx
;
139 const char *bios_name
= NULL
;
140 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
142 const char* keyboard_layout
= NULL
;
144 const char *mem_path
= NULL
;
145 int mem_prealloc
= 0; /* force preallocation of physical target memory */
146 bool enable_mlock
= false;
148 NICInfo nd_table
[MAX_NICS
];
150 static int rtc_utc
= 1;
151 static int rtc_date_offset
= -1; /* -1 means no change */
152 QEMUClockType rtc_clock
;
153 int vga_interface_type
= VGA_NONE
;
154 static DisplayOptions dpy
;
156 Chardev
*serial_hds
[MAX_SERIAL_PORTS
];
157 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
158 Chardev
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
159 Chardev
*sclp_hds
[MAX_SCLP_CONSOLES
];
160 int win2k_install_hack
= 0;
163 unsigned int max_cpus
;
166 int acpi_enabled
= 1;
169 static int no_reboot
;
172 int graphic_rotate
= 0;
173 const char *watchdog
;
174 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
177 const char *qemu_name
;
180 unsigned int nb_prom_envs
= 0;
181 const char *prom_envs
[MAX_PROM_ENVS
];
184 uint8_t *boot_splash_filedata
;
185 size_t boot_splash_filedata_size
;
186 uint8_t qemu_extra_params_fw
[2];
188 int icount_align_option
;
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 static NotifierList exit_notifiers
=
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
199 static NotifierList machine_init_done_notifiers
=
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
204 enum xen_mode xen_mode
= XEN_EMULATE
;
205 bool xen_domid_restrict
;
207 static int has_defaults
= 1;
208 static int default_serial
= 1;
209 static int default_parallel
= 1;
210 static int default_virtcon
= 1;
211 static int default_sclp
= 1;
212 static int default_monitor
= 1;
213 static int default_floppy
= 1;
214 static int default_cdrom
= 1;
215 static int default_sdcard
= 1;
216 static int default_vga
= 1;
217 static int default_net
= 1;
223 { .driver
= "isa-serial", .flag
= &default_serial
},
224 { .driver
= "isa-parallel", .flag
= &default_parallel
},
225 { .driver
= "isa-fdc", .flag
= &default_floppy
},
226 { .driver
= "floppy", .flag
= &default_floppy
},
227 { .driver
= "ide-cd", .flag
= &default_cdrom
},
228 { .driver
= "ide-hd", .flag
= &default_cdrom
},
229 { .driver
= "ide-drive", .flag
= &default_cdrom
},
230 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
231 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
232 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
233 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
234 { .driver
= "VGA", .flag
= &default_vga
},
235 { .driver
= "isa-vga", .flag
= &default_vga
},
236 { .driver
= "cirrus-vga", .flag
= &default_vga
},
237 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
238 { .driver
= "vmware-svga", .flag
= &default_vga
},
239 { .driver
= "qxl-vga", .flag
= &default_vga
},
240 { .driver
= "virtio-vga", .flag
= &default_vga
},
243 static QemuOptsList qemu_rtc_opts
= {
245 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
249 .type
= QEMU_OPT_STRING
,
252 .type
= QEMU_OPT_STRING
,
255 .type
= QEMU_OPT_STRING
,
257 { /* end of list */ }
261 static QemuOptsList qemu_sandbox_opts
= {
263 .implied_opt_name
= "enable",
264 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
268 .type
= QEMU_OPT_BOOL
,
272 .type
= QEMU_OPT_STRING
,
275 .name
= "elevateprivileges",
276 .type
= QEMU_OPT_STRING
,
280 .type
= QEMU_OPT_STRING
,
283 .name
= "resourcecontrol",
284 .type
= QEMU_OPT_STRING
,
286 { /* end of list */ }
290 static QemuOptsList qemu_option_rom_opts
= {
291 .name
= "option-rom",
292 .implied_opt_name
= "romfile",
293 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
297 .type
= QEMU_OPT_NUMBER
,
300 .type
= QEMU_OPT_STRING
,
302 { /* end of list */ }
306 static QemuOptsList qemu_machine_opts
= {
308 .implied_opt_name
= "type",
310 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
313 * no elements => accept any
314 * sanity checking will happen later
315 * when setting machine properties
321 static QemuOptsList qemu_accel_opts
= {
323 .implied_opt_name
= "accel",
324 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
329 .type
= QEMU_OPT_STRING
,
330 .help
= "Select the type of accelerator",
334 .type
= QEMU_OPT_STRING
,
335 .help
= "Enable/disable multi-threaded TCG",
337 { /* end of list */ }
341 static QemuOptsList qemu_boot_opts
= {
343 .implied_opt_name
= "order",
345 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
349 .type
= QEMU_OPT_STRING
,
352 .type
= QEMU_OPT_STRING
,
355 .type
= QEMU_OPT_BOOL
,
358 .type
= QEMU_OPT_STRING
,
360 .name
= "splash-time",
361 .type
= QEMU_OPT_STRING
,
363 .name
= "reboot-timeout",
364 .type
= QEMU_OPT_STRING
,
367 .type
= QEMU_OPT_BOOL
,
373 static QemuOptsList qemu_add_fd_opts
= {
375 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
379 .type
= QEMU_OPT_NUMBER
,
380 .help
= "file descriptor of which a duplicate is added to fd set",
383 .type
= QEMU_OPT_NUMBER
,
384 .help
= "ID of the fd set to add fd to",
387 .type
= QEMU_OPT_STRING
,
388 .help
= "free-form string used to describe fd",
390 { /* end of list */ }
394 static QemuOptsList qemu_object_opts
= {
396 .implied_opt_name
= "qom-type",
397 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
403 static QemuOptsList qemu_tpmdev_opts
= {
405 .implied_opt_name
= "type",
406 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
408 /* options are defined in the TPM backends */
409 { /* end of list */ }
413 static QemuOptsList qemu_realtime_opts
= {
415 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
419 .type
= QEMU_OPT_BOOL
,
421 { /* end of list */ }
425 static QemuOptsList qemu_msg_opts
= {
427 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
431 .type
= QEMU_OPT_BOOL
,
433 { /* end of list */ }
437 static QemuOptsList qemu_name_opts
= {
439 .implied_opt_name
= "guest",
441 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
445 .type
= QEMU_OPT_STRING
,
446 .help
= "Sets the name of the guest.\n"
447 "This name will be displayed in the SDL window caption.\n"
448 "The name will also be used for the VNC server",
451 .type
= QEMU_OPT_STRING
,
452 .help
= "Sets the name of the QEMU process, as shown in top etc",
454 .name
= "debug-threads",
455 .type
= QEMU_OPT_BOOL
,
456 .help
= "When enabled, name the individual threads; defaults off.\n"
457 "NOTE: The thread names are for debugging and not a\n"
460 { /* End of list */ }
464 static QemuOptsList qemu_mem_opts
= {
466 .implied_opt_name
= "size",
467 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
472 .type
= QEMU_OPT_SIZE
,
476 .type
= QEMU_OPT_NUMBER
,
480 .type
= QEMU_OPT_SIZE
,
482 { /* end of list */ }
486 static QemuOptsList qemu_icount_opts
= {
488 .implied_opt_name
= "shift",
490 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
494 .type
= QEMU_OPT_STRING
,
497 .type
= QEMU_OPT_BOOL
,
500 .type
= QEMU_OPT_BOOL
,
503 .type
= QEMU_OPT_STRING
,
506 .type
= QEMU_OPT_STRING
,
508 .name
= "rrsnapshot",
509 .type
= QEMU_OPT_STRING
,
511 { /* end of list */ }
515 static QemuOptsList qemu_semihosting_config_opts
= {
516 .name
= "semihosting-config",
517 .implied_opt_name
= "enable",
518 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
522 .type
= QEMU_OPT_BOOL
,
525 .type
= QEMU_OPT_STRING
,
528 .type
= QEMU_OPT_STRING
,
530 { /* end of list */ }
534 static QemuOptsList qemu_fw_cfg_opts
= {
536 .implied_opt_name
= "name",
537 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
541 .type
= QEMU_OPT_STRING
,
542 .help
= "Sets the fw_cfg name of the blob to be inserted",
545 .type
= QEMU_OPT_STRING
,
546 .help
= "Sets the name of the file from which\n"
547 "the fw_cfg blob will be loaded",
550 .type
= QEMU_OPT_STRING
,
551 .help
= "Sets content of the blob to be inserted from a string",
553 { /* end of list */ }
558 * Get machine options
560 * Returns: machine options (never null).
562 QemuOpts
*qemu_get_machine_opts(void)
564 return qemu_find_opts_singleton("machine");
567 const char *qemu_get_vm_name(void)
572 static void res_free(void)
574 g_free(boot_splash_filedata
);
575 boot_splash_filedata
= NULL
;
578 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
580 const char *driver
= qemu_opt_get(opts
, "driver");
585 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
586 if (strcmp(default_list
[i
].driver
, driver
) != 0)
588 *(default_list
[i
].flag
) = 0;
593 /***********************************************************/
596 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
598 /* We use RUN_STATE__MAX but any invalid value will do */
599 static RunState vmstop_requested
= RUN_STATE__MAX
;
600 static QemuMutex vmstop_lock
;
605 } RunStateTransition
;
607 static const RunStateTransition runstate_transitions_def
[] = {
609 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
610 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
613 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
614 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
615 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
616 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
617 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
618 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
619 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
620 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
621 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
623 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
624 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
626 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
627 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
628 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
630 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
631 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
632 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
634 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
635 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
636 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
637 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
638 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
640 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
641 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
642 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
644 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
645 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
646 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
648 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
649 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
650 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
651 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
652 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
654 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
655 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
657 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
659 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
660 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
661 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
662 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
663 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
664 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
665 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
666 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
667 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
668 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
669 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
671 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
673 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
674 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
675 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
677 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
678 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
679 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
680 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
681 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
682 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
684 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
685 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
686 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
687 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
689 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
690 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
691 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
693 { RUN_STATE__MAX
, RUN_STATE__MAX
},
696 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
698 bool runstate_check(RunState state
)
700 return current_run_state
== state
;
703 bool runstate_store(char *str
, size_t size
)
705 const char *state
= RunState_str(current_run_state
);
706 size_t len
= strlen(state
) + 1;
711 memcpy(str
, state
, len
);
715 static void runstate_init(void)
717 const RunStateTransition
*p
;
719 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
720 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
721 runstate_valid_transitions
[p
->from
][p
->to
] = true;
724 qemu_mutex_init(&vmstop_lock
);
727 /* This function will abort() on invalid state transitions */
728 void runstate_set(RunState new_state
)
730 assert(new_state
< RUN_STATE__MAX
);
732 if (current_run_state
== new_state
) {
736 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
737 error_report("invalid runstate transition: '%s' -> '%s'",
738 RunState_str(current_run_state
),
739 RunState_str(new_state
));
742 trace_runstate_set(new_state
);
743 current_run_state
= new_state
;
746 int runstate_is_running(void)
748 return runstate_check(RUN_STATE_RUNNING
);
751 bool runstate_needs_reset(void)
753 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
754 runstate_check(RUN_STATE_SHUTDOWN
);
757 StatusInfo
*qmp_query_status(Error
**errp
)
759 StatusInfo
*info
= g_malloc0(sizeof(*info
));
761 info
->running
= runstate_is_running();
762 info
->singlestep
= singlestep
;
763 info
->status
= current_run_state
;
768 bool qemu_vmstop_requested(RunState
*r
)
770 qemu_mutex_lock(&vmstop_lock
);
771 *r
= vmstop_requested
;
772 vmstop_requested
= RUN_STATE__MAX
;
773 qemu_mutex_unlock(&vmstop_lock
);
774 return *r
< RUN_STATE__MAX
;
777 void qemu_system_vmstop_request_prepare(void)
779 qemu_mutex_lock(&vmstop_lock
);
782 void qemu_system_vmstop_request(RunState state
)
784 vmstop_requested
= state
;
785 qemu_mutex_unlock(&vmstop_lock
);
789 /***********************************************************/
790 /* real time host monotonic timer */
792 static time_t qemu_time(void)
794 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
797 /***********************************************************/
798 /* host time/date access */
799 void qemu_get_timedate(struct tm
*tm
, int offset
)
801 time_t ti
= qemu_time();
804 if (rtc_date_offset
== -1) {
808 localtime_r(&ti
, tm
);
810 ti
-= rtc_date_offset
;
815 int qemu_timedate_diff(struct tm
*tm
)
819 if (rtc_date_offset
== -1)
821 seconds
= mktimegm(tm
);
824 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
825 seconds
= mktime(&tmp
);
828 seconds
= mktimegm(tm
) + rtc_date_offset
;
830 return seconds
- qemu_time();
833 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
835 time_t rtc_start_date
;
838 if (!strcmp(startdate
, "now") && legacy
) {
839 rtc_date_offset
= -1;
841 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
849 } else if (sscanf(startdate
, "%d-%d-%d",
861 rtc_start_date
= mktimegm(&tm
);
862 if (rtc_start_date
== -1) {
864 error_report("invalid date format");
865 error_printf("valid formats: "
866 "'2006-06-17T16:01:21' or '2006-06-17'\n");
869 rtc_date_offset
= qemu_time() - rtc_start_date
;
873 static void configure_rtc(QemuOpts
*opts
)
877 value
= qemu_opt_get(opts
, "base");
879 if (!strcmp(value
, "utc")) {
881 } else if (!strcmp(value
, "localtime")) {
882 Error
*blocker
= NULL
;
884 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
885 "-rtc base=localtime");
886 replay_add_blocker(blocker
);
888 configure_rtc_date_offset(value
, 0);
891 value
= qemu_opt_get(opts
, "clock");
893 if (!strcmp(value
, "host")) {
894 rtc_clock
= QEMU_CLOCK_HOST
;
895 } else if (!strcmp(value
, "rt")) {
896 rtc_clock
= QEMU_CLOCK_REALTIME
;
897 } else if (!strcmp(value
, "vm")) {
898 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
900 error_report("invalid option value '%s'", value
);
904 value
= qemu_opt_get(opts
, "driftfix");
906 if (!strcmp(value
, "slew")) {
907 static GlobalProperty slew_lost_ticks
= {
908 .driver
= "mc146818rtc",
909 .property
= "lost_tick_policy",
913 qdev_prop_register_global(&slew_lost_ticks
);
914 } else if (!strcmp(value
, "none")) {
915 /* discard is default */
917 error_report("invalid option value '%s'", value
);
923 /***********************************************************/
924 /* Bluetooth support */
927 static struct HCIInfo
*hci_table
[MAX_NICS
];
929 struct HCIInfo
*qemu_next_hci(void)
931 if (cur_hci
== nb_hcis
)
934 return hci_table
[cur_hci
++];
937 static int bt_hci_parse(const char *str
)
942 if (nb_hcis
>= MAX_NICS
) {
943 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
956 bdaddr
.b
[5] = 0x56 + nb_hcis
;
957 hci
->bdaddr_set(hci
, bdaddr
.b
);
959 hci_table
[nb_hcis
++] = hci
;
964 static void bt_vhci_add(int vlan_id
)
966 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
969 warn_report("adding a VHCI to an empty scatternet %i",
972 bt_vhci_init(bt_new_hci(vlan
));
975 static struct bt_device_s
*bt_device_add(const char *opt
)
977 struct bt_scatternet_s
*vlan
;
979 char *endp
= strstr(opt
, ",vlan=");
980 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
983 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
986 vlan_id
= strtol(endp
+ 6, &endp
, 0);
988 error_report("unrecognised bluetooth vlan Id");
993 vlan
= qemu_find_bt_vlan(vlan_id
);
996 warn_report("adding a slave device to an empty scatternet %i",
999 if (!strcmp(devname
, "keyboard"))
1000 return bt_keyboard_init(vlan
);
1002 error_report("unsupported bluetooth device '%s'", devname
);
1006 static int bt_parse(const char *opt
)
1008 const char *endp
, *p
;
1011 if (strstart(opt
, "hci", &endp
)) {
1012 if (!*endp
|| *endp
== ',') {
1014 if (!strstart(endp
, ",vlan=", 0))
1017 return bt_hci_parse(opt
);
1019 } else if (strstart(opt
, "vhci", &endp
)) {
1020 if (!*endp
|| *endp
== ',') {
1022 if (strstart(endp
, ",vlan=", &p
)) {
1023 vlan
= strtol(p
, (char **) &endp
, 0);
1025 error_report("bad scatternet '%s'", p
);
1029 error_report("bad parameter '%s'", endp
+ 1);
1038 } else if (strstart(opt
, "device:", &endp
))
1039 return !bt_device_add(endp
);
1041 error_report("bad bluetooth parameter '%s'", opt
);
1045 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1047 if (qemu_opt_get_bool(opts
, "enable", false)) {
1048 #ifdef CONFIG_SECCOMP
1049 uint32_t seccomp_opts
= QEMU_SECCOMP_SET_DEFAULT
1050 | QEMU_SECCOMP_SET_OBSOLETE
;
1051 const char *value
= NULL
;
1053 value
= qemu_opt_get(opts
, "obsolete");
1055 if (g_str_equal(value
, "allow")) {
1056 seccomp_opts
&= ~QEMU_SECCOMP_SET_OBSOLETE
;
1057 } else if (g_str_equal(value
, "deny")) {
1058 /* this is the default option, this if is here
1059 * to provide a little bit of consistency for
1060 * the command line */
1062 error_report("invalid argument for obsolete");
1067 value
= qemu_opt_get(opts
, "elevateprivileges");
1069 if (g_str_equal(value
, "deny")) {
1070 seccomp_opts
|= QEMU_SECCOMP_SET_PRIVILEGED
;
1071 } else if (g_str_equal(value
, "children")) {
1072 seccomp_opts
|= QEMU_SECCOMP_SET_PRIVILEGED
;
1074 /* calling prctl directly because we're
1075 * not sure if host has CAP_SYS_ADMIN set*/
1076 if (prctl(PR_SET_NO_NEW_PRIVS
, 1)) {
1077 error_report("failed to set no_new_privs "
1081 } else if (g_str_equal(value
, "allow")) {
1084 error_report("invalid argument for elevateprivileges");
1089 value
= qemu_opt_get(opts
, "spawn");
1091 if (g_str_equal(value
, "deny")) {
1092 seccomp_opts
|= QEMU_SECCOMP_SET_SPAWN
;
1093 } else if (g_str_equal(value
, "allow")) {
1096 error_report("invalid argument for spawn");
1101 value
= qemu_opt_get(opts
, "resourcecontrol");
1103 if (g_str_equal(value
, "deny")) {
1104 seccomp_opts
|= QEMU_SECCOMP_SET_RESOURCECTL
;
1105 } else if (g_str_equal(value
, "allow")) {
1108 error_report("invalid argument for resourcecontrol");
1113 if (seccomp_start(seccomp_opts
) < 0) {
1114 error_report("failed to install seccomp syscall filter "
1119 error_report("seccomp support is disabled");
1127 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1129 const char *proc_name
;
1131 if (qemu_opt_get(opts
, "debug-threads")) {
1132 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1134 qemu_name
= qemu_opt_get(opts
, "guest");
1136 proc_name
= qemu_opt_get(opts
, "process");
1138 os_set_proc_name(proc_name
);
1144 bool defaults_enabled(void)
1146 return has_defaults
;
1150 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1152 int fd
, dupfd
, flags
;
1154 const char *fd_opaque
= NULL
;
1157 fd
= qemu_opt_get_number(opts
, "fd", -1);
1158 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1159 fd_opaque
= qemu_opt_get(opts
, "opaque");
1162 error_report("fd option is required and must be non-negative");
1166 if (fd
<= STDERR_FILENO
) {
1167 error_report("fd cannot be a standard I/O stream");
1172 * All fds inherited across exec() necessarily have FD_CLOEXEC
1173 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1175 flags
= fcntl(fd
, F_GETFD
);
1176 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1177 error_report("fd is not valid or already in use");
1182 error_report("set option is required and must be non-negative");
1186 #ifdef F_DUPFD_CLOEXEC
1187 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1191 qemu_set_cloexec(dupfd
);
1195 error_report("error duplicating fd: %s", strerror(errno
));
1199 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1200 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1207 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1211 fd
= qemu_opt_get_number(opts
, "fd", -1);
1218 /***********************************************************/
1219 /* QEMU Block devices */
1221 #define HD_OPTS "media=disk"
1222 #define CDROM_OPTS "media=cdrom"
1224 #define PFLASH_OPTS ""
1228 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1230 BlockInterfaceType
*block_default_type
= opaque
;
1232 return drive_new(opts
, *block_default_type
) == NULL
;
1235 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1237 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1238 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1243 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1244 int index
, const char *optstr
)
1249 if (!enable
|| drive_get_by_index(type
, index
)) {
1253 opts
= drive_add(type
, index
, NULL
, optstr
);
1255 drive_enable_snapshot(NULL
, opts
, NULL
);
1258 dinfo
= drive_new(opts
, type
);
1262 dinfo
->is_default
= true;
1266 static QemuOptsList qemu_smp_opts
= {
1268 .implied_opt_name
= "cpus",
1269 .merge_lists
= true,
1270 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1274 .type
= QEMU_OPT_NUMBER
,
1277 .type
= QEMU_OPT_NUMBER
,
1280 .type
= QEMU_OPT_NUMBER
,
1283 .type
= QEMU_OPT_NUMBER
,
1286 .type
= QEMU_OPT_NUMBER
,
1288 { /*End of list */ }
1292 static void smp_parse(QemuOpts
*opts
)
1295 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1296 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1297 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1298 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1300 /* compute missing values, prefer sockets over cores over threads */
1301 if (cpus
== 0 || sockets
== 0) {
1302 sockets
= sockets
> 0 ? sockets
: 1;
1303 cores
= cores
> 0 ? cores
: 1;
1304 threads
= threads
> 0 ? threads
: 1;
1306 cpus
= cores
* threads
* sockets
;
1308 } else if (cores
== 0) {
1309 threads
= threads
> 0 ? threads
: 1;
1310 cores
= cpus
/ (sockets
* threads
);
1311 cores
= cores
> 0 ? cores
: 1;
1312 } else if (threads
== 0) {
1313 threads
= cpus
/ (cores
* sockets
);
1314 threads
= threads
> 0 ? threads
: 1;
1315 } else if (sockets
* cores
* threads
< cpus
) {
1316 error_report("cpu topology: "
1317 "sockets (%u) * cores (%u) * threads (%u) < "
1319 sockets
, cores
, threads
, cpus
);
1323 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1325 if (max_cpus
< cpus
) {
1326 error_report("maxcpus must be equal to or greater than smp");
1330 if (sockets
* cores
* threads
> max_cpus
) {
1331 error_report("cpu topology: "
1332 "sockets (%u) * cores (%u) * threads (%u) > "
1334 sockets
, cores
, threads
, max_cpus
);
1340 smp_threads
= threads
;
1344 Error
*blocker
= NULL
;
1345 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1346 replay_add_blocker(blocker
);
1350 static void realtime_init(void)
1353 if (os_mlock() < 0) {
1354 error_report("locking memory failed");
1361 static void configure_msg(QemuOpts
*opts
)
1363 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1366 /***********************************************************/
1369 typedef struct SemihostingConfig
{
1371 SemihostingTarget target
;
1374 const char *cmdline
; /* concatenated argv */
1375 } SemihostingConfig
;
1377 static SemihostingConfig semihosting
;
1379 bool semihosting_enabled(void)
1381 return semihosting
.enabled
;
1384 SemihostingTarget
semihosting_get_target(void)
1386 return semihosting
.target
;
1389 const char *semihosting_get_arg(int i
)
1391 if (i
>= semihosting
.argc
) {
1394 return semihosting
.argv
[i
];
1397 int semihosting_get_argc(void)
1399 return semihosting
.argc
;
1402 const char *semihosting_get_cmdline(void)
1404 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1405 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1407 return semihosting
.cmdline
;
1410 static int add_semihosting_arg(void *opaque
,
1411 const char *name
, const char *val
,
1414 SemihostingConfig
*s
= opaque
;
1415 if (strcmp(name
, "arg") == 0) {
1417 /* one extra element as g_strjoinv() expects NULL-terminated array */
1418 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1419 s
->argv
[s
->argc
- 1] = val
;
1420 s
->argv
[s
->argc
] = NULL
;
1425 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1426 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1431 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1433 /* split -append and initialize argv[1..n] */
1434 cmd_token
= strtok(g_strdup(cmd
), " ");
1436 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1437 cmd_token
= strtok(NULL
, " ");
1441 /* Now we still need this for compatibility with XEN. */
1442 bool has_igd_gfx_passthru
;
1443 static void igd_gfx_passthru(void)
1445 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1448 /***********************************************************/
1451 static int usb_device_add(const char *devname
)
1453 USBDevice
*dev
= NULL
;
1455 if (!machine_usb(current_machine
)) {
1459 dev
= usbdevice_create(devname
);
1466 static int usb_parse(const char *cmdline
)
1469 r
= usb_device_add(cmdline
);
1471 error_report("could not add USB device '%s'", cmdline
);
1476 /***********************************************************/
1477 /* machine registration */
1479 MachineState
*current_machine
;
1481 static MachineClass
*find_machine(const char *name
)
1483 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1484 MachineClass
*mc
= NULL
;
1486 for (el
= machines
; el
; el
= el
->next
) {
1487 MachineClass
*temp
= el
->data
;
1489 if (!strcmp(temp
->name
, name
)) {
1494 !strcmp(temp
->alias
, name
)) {
1500 g_slist_free(machines
);
1504 MachineClass
*find_default_machine(void)
1506 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1507 MachineClass
*mc
= NULL
;
1509 for (el
= machines
; el
; el
= el
->next
) {
1510 MachineClass
*temp
= el
->data
;
1512 if (temp
->is_default
) {
1518 g_slist_free(machines
);
1522 MachineInfoList
*qmp_query_machines(Error
**errp
)
1524 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1525 MachineInfoList
*mach_list
= NULL
;
1527 for (el
= machines
; el
; el
= el
->next
) {
1528 MachineClass
*mc
= el
->data
;
1529 MachineInfoList
*entry
;
1532 info
= g_malloc0(sizeof(*info
));
1533 if (mc
->is_default
) {
1534 info
->has_is_default
= true;
1535 info
->is_default
= true;
1539 info
->has_alias
= true;
1540 info
->alias
= g_strdup(mc
->alias
);
1543 info
->name
= g_strdup(mc
->name
);
1544 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1545 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1547 entry
= g_malloc0(sizeof(*entry
));
1548 entry
->value
= info
;
1549 entry
->next
= mach_list
;
1553 g_slist_free(machines
);
1557 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1559 ObjectProperty
*prop
;
1560 ObjectPropertyIterator iter
;
1562 if (!qemu_opt_has_help_opt(opts
)) {
1566 object_property_iter_init(&iter
, OBJECT(machine
));
1567 while ((prop
= object_property_iter_next(&iter
))) {
1572 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1573 prop
->name
, prop
->type
);
1574 if (prop
->description
) {
1575 error_printf(" (%s)\n", prop
->description
);
1584 /***********************************************************/
1585 /* main execution loop */
1587 struct vm_change_state_entry
{
1588 VMChangeStateHandler
*cb
;
1590 QLIST_ENTRY (vm_change_state_entry
) entries
;
1593 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1595 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1598 VMChangeStateEntry
*e
;
1600 e
= g_malloc0(sizeof (*e
));
1604 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1608 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1610 QLIST_REMOVE (e
, entries
);
1614 void vm_state_notify(int running
, RunState state
)
1616 VMChangeStateEntry
*e
, *next
;
1618 trace_vm_state_notify(running
, state
);
1620 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1621 e
->cb(e
->opaque
, running
, state
);
1625 static ShutdownCause reset_requested
;
1626 static ShutdownCause shutdown_requested
;
1627 static int shutdown_signal
;
1628 static pid_t shutdown_pid
;
1629 static int powerdown_requested
;
1630 static int debug_requested
;
1631 static int suspend_requested
;
1632 static WakeupReason wakeup_reason
;
1633 static NotifierList powerdown_notifiers
=
1634 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1635 static NotifierList suspend_notifiers
=
1636 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1637 static NotifierList wakeup_notifiers
=
1638 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1639 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1641 ShutdownCause
qemu_shutdown_requested_get(void)
1643 return shutdown_requested
;
1646 ShutdownCause
qemu_reset_requested_get(void)
1648 return reset_requested
;
1651 static int qemu_shutdown_requested(void)
1653 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1656 static void qemu_kill_report(void)
1658 if (!qtest_driver() && shutdown_signal
) {
1659 if (shutdown_pid
== 0) {
1660 /* This happens for eg ^C at the terminal, so it's worth
1661 * avoiding printing an odd message in that case.
1663 error_report("terminating on signal %d", shutdown_signal
);
1665 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1667 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1668 shutdown_signal
, shutdown_pid
,
1669 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1670 g_free(shutdown_cmd
);
1672 shutdown_signal
= 0;
1676 static ShutdownCause
qemu_reset_requested(void)
1678 ShutdownCause r
= reset_requested
;
1680 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1681 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1684 return SHUTDOWN_CAUSE_NONE
;
1687 static int qemu_suspend_requested(void)
1689 int r
= suspend_requested
;
1690 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1691 suspend_requested
= 0;
1697 static WakeupReason
qemu_wakeup_requested(void)
1699 return wakeup_reason
;
1702 static int qemu_powerdown_requested(void)
1704 int r
= powerdown_requested
;
1705 powerdown_requested
= 0;
1709 static int qemu_debug_requested(void)
1711 int r
= debug_requested
;
1712 debug_requested
= 0;
1717 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1719 void qemu_system_reset(ShutdownCause reason
)
1723 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1725 cpu_synchronize_all_states();
1727 if (mc
&& mc
->reset
) {
1730 qemu_devices_reset();
1733 qapi_event_send_reset(shutdown_caused_by_guest(reason
),
1736 cpu_synchronize_all_post_reset();
1739 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1741 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1744 current_cpu
->crash_occurred
= true;
1746 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1747 !!info
, info
, &error_abort
);
1748 vm_stop(RUN_STATE_GUEST_PANICKED
);
1750 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1751 !!info
, info
, &error_abort
);
1752 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1756 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1757 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1758 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1759 info
->u
.hyper_v
.arg1
,
1760 info
->u
.hyper_v
.arg2
,
1761 info
->u
.hyper_v
.arg3
,
1762 info
->u
.hyper_v
.arg4
,
1763 info
->u
.hyper_v
.arg5
);
1764 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1765 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1766 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1768 S390CrashReason_str(info
->u
.s390
.reason
),
1769 info
->u
.s390
.psw_mask
,
1770 info
->u
.s390
.psw_addr
);
1772 qapi_free_GuestPanicInformation(info
);
1776 void qemu_system_reset_request(ShutdownCause reason
)
1779 shutdown_requested
= reason
;
1781 reset_requested
= reason
;
1784 qemu_notify_event();
1787 static void qemu_system_suspend(void)
1790 notifier_list_notify(&suspend_notifiers
, NULL
);
1791 runstate_set(RUN_STATE_SUSPENDED
);
1792 qapi_event_send_suspend(&error_abort
);
1795 void qemu_system_suspend_request(void)
1797 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1800 suspend_requested
= 1;
1802 qemu_notify_event();
1805 void qemu_register_suspend_notifier(Notifier
*notifier
)
1807 notifier_list_add(&suspend_notifiers
, notifier
);
1810 void qemu_system_wakeup_request(WakeupReason reason
)
1812 trace_system_wakeup_request(reason
);
1814 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1817 if (!(wakeup_reason_mask
& (1 << reason
))) {
1820 runstate_set(RUN_STATE_RUNNING
);
1821 wakeup_reason
= reason
;
1822 qemu_notify_event();
1825 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1828 wakeup_reason_mask
|= (1 << reason
);
1830 wakeup_reason_mask
&= ~(1 << reason
);
1834 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1836 notifier_list_add(&wakeup_notifiers
, notifier
);
1839 void qemu_system_killed(int signal
, pid_t pid
)
1841 shutdown_signal
= signal
;
1845 /* Cannot call qemu_system_shutdown_request directly because
1846 * we are in a signal handler.
1848 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1849 qemu_notify_event();
1852 void qemu_system_shutdown_request(ShutdownCause reason
)
1854 trace_qemu_system_shutdown_request(reason
);
1855 replay_shutdown_request(reason
);
1856 shutdown_requested
= reason
;
1857 qemu_notify_event();
1860 static void qemu_system_powerdown(void)
1862 qapi_event_send_powerdown(&error_abort
);
1863 notifier_list_notify(&powerdown_notifiers
, NULL
);
1866 void qemu_system_powerdown_request(void)
1868 trace_qemu_system_powerdown_request();
1869 powerdown_requested
= 1;
1870 qemu_notify_event();
1873 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1875 notifier_list_add(&powerdown_notifiers
, notifier
);
1878 void qemu_system_debug_request(void)
1880 debug_requested
= 1;
1881 qemu_notify_event();
1884 static bool main_loop_should_exit(void)
1887 ShutdownCause request
;
1889 if (qemu_debug_requested()) {
1890 vm_stop(RUN_STATE_DEBUG
);
1892 if (qemu_suspend_requested()) {
1893 qemu_system_suspend();
1895 request
= qemu_shutdown_requested();
1898 qapi_event_send_shutdown(shutdown_caused_by_guest(request
),
1901 vm_stop(RUN_STATE_SHUTDOWN
);
1906 request
= qemu_reset_requested();
1909 qemu_system_reset(request
);
1911 if (!runstate_check(RUN_STATE_RUNNING
) &&
1912 !runstate_check(RUN_STATE_INMIGRATE
)) {
1913 runstate_set(RUN_STATE_PRELAUNCH
);
1916 if (qemu_wakeup_requested()) {
1918 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1919 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1920 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1922 qapi_event_send_wakeup(&error_abort
);
1924 if (qemu_powerdown_requested()) {
1925 qemu_system_powerdown();
1927 if (qemu_vmstop_requested(&r
)) {
1933 static void main_loop(void)
1935 #ifdef CONFIG_PROFILER
1939 #ifdef CONFIG_PROFILER
1940 ti
= profile_getclock();
1942 main_loop_wait(false);
1943 #ifdef CONFIG_PROFILER
1944 dev_time
+= profile_getclock() - ti
;
1946 } while (!main_loop_should_exit());
1949 static void version(void)
1951 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
"\n"
1952 QEMU_COPYRIGHT
"\n");
1955 static void help(int exitcode
)
1958 printf("usage: %s [options] [disk_image]\n\n"
1959 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1960 error_get_progname());
1962 #define QEMU_OPTIONS_GENERATE_HELP
1963 #include "qemu-options-wrapper.h"
1965 printf("\nDuring emulation, the following keys are useful:\n"
1966 "ctrl-alt-f toggle full screen\n"
1967 "ctrl-alt-n switch to virtual console 'n'\n"
1968 "ctrl-alt toggle mouse and keyboard grab\n"
1970 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1972 QEMU_HELP_BOTTOM
"\n");
1977 #define HAS_ARG 0x0001
1979 typedef struct QEMUOption
{
1986 static const QEMUOption qemu_options
[] = {
1987 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1988 #define QEMU_OPTIONS_GENERATE_OPTIONS
1989 #include "qemu-options-wrapper.h"
1993 typedef struct VGAInterfaceInfo
{
1994 const char *opt_name
; /* option name */
1995 const char *name
; /* human-readable name */
1996 /* Class names indicating that support is available.
1997 * If no class is specified, the interface is always available */
1998 const char *class_names
[2];
2001 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
2007 .name
= "standard VGA",
2008 .class_names
= { "VGA", "isa-vga" },
2011 .opt_name
= "cirrus",
2012 .name
= "Cirrus VGA",
2013 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2016 .opt_name
= "vmware",
2017 .name
= "VMWare SVGA",
2018 .class_names
= { "vmware-svga" },
2021 .opt_name
= "virtio",
2022 .name
= "Virtio VGA",
2023 .class_names
= { "virtio-vga" },
2028 .class_names
= { "qxl-vga" },
2032 .name
= "TCX framebuffer",
2033 .class_names
= { "SUNW,tcx" },
2037 .name
= "CG3 framebuffer",
2038 .class_names
= { "cgthree" },
2041 .opt_name
= "xenfb",
2045 static bool vga_interface_available(VGAInterfaceType t
)
2047 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2049 assert(t
< VGA_TYPE_MAX
);
2050 return !ti
->class_names
[0] ||
2051 object_class_by_name(ti
->class_names
[0]) ||
2052 object_class_by_name(ti
->class_names
[1]);
2055 static void select_vgahw(const char *p
)
2060 assert(vga_interface_type
== VGA_NONE
);
2061 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2062 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2063 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2064 if (!vga_interface_available(t
)) {
2065 error_report("%s not available", ti
->name
);
2068 vga_interface_type
= t
;
2072 if (t
== VGA_TYPE_MAX
) {
2074 error_report("unknown vga type: %s", p
);
2078 const char *nextopt
;
2080 if (strstart(opts
, ",retrace=", &nextopt
)) {
2082 if (strstart(opts
, "dumb", &nextopt
))
2083 vga_retrace_method
= VGA_RETRACE_DUMB
;
2084 else if (strstart(opts
, "precise", &nextopt
))
2085 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2086 else goto invalid_vga
;
2087 } else goto invalid_vga
;
2092 static void parse_display(const char *p
)
2096 if (strstart(p
, "sdl", &opts
)) {
2097 dpy
.type
= DISPLAY_TYPE_SDL
;
2099 const char *nextopt
;
2101 if (strstart(opts
, ",frame=", &nextopt
)) {
2102 g_printerr("The frame= sdl option is deprecated, and will be\n"
2103 "removed in a future release.\n");
2105 if (strstart(opts
, "on", &nextopt
)) {
2107 } else if (strstart(opts
, "off", &nextopt
)) {
2110 goto invalid_sdl_args
;
2112 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2114 if (strstart(opts
, "on", &nextopt
)) {
2116 } else if (strstart(opts
, "off", &nextopt
)) {
2119 goto invalid_sdl_args
;
2121 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2123 if (strstart(opts
, "on", &nextopt
)) {
2125 } else if (strstart(opts
, "off", &nextopt
)) {
2128 goto invalid_sdl_args
;
2130 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2132 dpy
.has_window_close
= true;
2133 if (strstart(opts
, "on", &nextopt
)) {
2134 dpy
.window_close
= true;
2135 } else if (strstart(opts
, "off", &nextopt
)) {
2136 dpy
.window_close
= false;
2138 goto invalid_sdl_args
;
2140 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2143 if (strstart(opts
, "on", &nextopt
)) {
2145 } else if (strstart(opts
, "off", &nextopt
)) {
2148 goto invalid_sdl_args
;
2152 error_report("invalid SDL option string");
2157 } else if (strstart(p
, "vnc", &opts
)) {
2159 vnc_parse(opts
+ 1, &error_fatal
);
2161 error_report("VNC requires a display argument vnc=<display>");
2164 } else if (strstart(p
, "egl-headless", &opts
)) {
2165 dpy
.type
= DISPLAY_TYPE_EGL_HEADLESS
;
2166 } else if (strstart(p
, "curses", &opts
)) {
2167 dpy
.type
= DISPLAY_TYPE_CURSES
;
2168 } else if (strstart(p
, "gtk", &opts
)) {
2169 dpy
.type
= DISPLAY_TYPE_GTK
;
2171 const char *nextopt
;
2173 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2175 dpy
.u
.gtk
.has_grab_on_hover
= true;
2176 if (strstart(opts
, "on", &nextopt
)) {
2177 dpy
.u
.gtk
.grab_on_hover
= true;
2178 } else if (strstart(opts
, "off", &nextopt
)) {
2179 dpy
.u
.gtk
.grab_on_hover
= false;
2181 goto invalid_gtk_args
;
2183 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2186 if (strstart(opts
, "on", &nextopt
)) {
2188 } else if (strstart(opts
, "off", &nextopt
)) {
2191 goto invalid_gtk_args
;
2195 error_report("invalid GTK option string");
2200 } else if (strstart(p
, "none", &opts
)) {
2201 dpy
.type
= DISPLAY_TYPE_NONE
;
2203 error_report("unknown display type");
2208 static int balloon_parse(const char *arg
)
2212 if (strcmp(arg
, "none") == 0) {
2216 if (!strncmp(arg
, "virtio", 6)) {
2217 if (arg
[6] == ',') {
2218 /* have params -> parse them */
2219 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2224 /* create empty opts */
2225 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2228 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2235 char *qemu_find_file(int type
, const char *name
)
2241 /* Try the name as a straight path first */
2242 if (access(name
, R_OK
) == 0) {
2243 trace_load_file(name
, name
);
2244 return g_strdup(name
);
2248 case QEMU_FILE_TYPE_BIOS
:
2251 case QEMU_FILE_TYPE_KEYMAP
:
2252 subdir
= "keymaps/";
2258 for (i
= 0; i
< data_dir_idx
; i
++) {
2259 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2260 if (access(buf
, R_OK
) == 0) {
2261 trace_load_file(name
, buf
);
2269 static void qemu_add_data_dir(const char *path
)
2276 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2279 for (i
= 0; i
< data_dir_idx
; i
++) {
2280 if (strcmp(data_dir
[i
], path
) == 0) {
2281 return; /* duplicate */
2284 data_dir
[data_dir_idx
++] = g_strdup(path
);
2287 static inline bool nonempty_str(const char *str
)
2292 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2296 const char *name
, *file
, *str
;
2297 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2299 if (fw_cfg
== NULL
) {
2300 error_report("fw_cfg device not available");
2303 name
= qemu_opt_get(opts
, "name");
2304 file
= qemu_opt_get(opts
, "file");
2305 str
= qemu_opt_get(opts
, "string");
2307 /* we need name and either a file or the content string */
2308 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2309 error_report("invalid argument(s)");
2312 if (nonempty_str(file
) && nonempty_str(str
)) {
2313 error_report("file and string are mutually exclusive");
2316 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2317 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2320 if (strncmp(name
, "opt/", 4) != 0) {
2321 warn_report("externally provided fw_cfg item names "
2322 "should be prefixed with \"opt/\"");
2324 if (nonempty_str(str
)) {
2325 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2326 buf
= g_memdup(str
, size
);
2328 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2329 error_report("can't load %s", file
);
2333 /* For legacy, keep user files in a specific global order. */
2334 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2335 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2336 fw_cfg_reset_order_override(fw_cfg
);
2340 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2342 return qdev_device_help(opts
);
2345 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2350 dev
= qdev_device_add(opts
, &err
);
2352 error_report_err(err
);
2355 object_unref(OBJECT(dev
));
2359 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2361 Error
*local_err
= NULL
;
2363 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2365 error_report_err(local_err
);
2373 #ifdef CONFIG_VIRTFS
2374 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2376 return qemu_fsdev_add(opts
);
2380 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2383 const char *chardev
;
2387 mode
= qemu_opt_get(opts
, "mode");
2391 if (strcmp(mode
, "readline") == 0) {
2392 flags
= MONITOR_USE_READLINE
;
2393 } else if (strcmp(mode
, "control") == 0) {
2394 flags
= MONITOR_USE_CONTROL
;
2396 error_report("unknown monitor mode \"%s\"", mode
);
2400 if (qemu_opt_get_bool(opts
, "pretty", 0))
2401 flags
|= MONITOR_USE_PRETTY
;
2403 chardev
= qemu_opt_get(opts
, "chardev");
2404 chr
= qemu_chr_find(chardev
);
2406 error_report("chardev \"%s\" not found", chardev
);
2410 monitor_init(chr
, flags
);
2414 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2416 static int monitor_device_index
= 0;
2421 if (strstart(optarg
, "chardev:", &p
)) {
2422 snprintf(label
, sizeof(label
), "%s", p
);
2424 snprintf(label
, sizeof(label
), "compat_monitor%d",
2425 monitor_device_index
);
2426 opts
= qemu_chr_parse_compat(label
, optarg
);
2428 error_report("parse error: %s", optarg
);
2433 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2434 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2435 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2436 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2437 monitor_device_index
++;
2440 struct device_config
{
2442 DEV_USB
, /* -usbdevice */
2444 DEV_SERIAL
, /* -serial */
2445 DEV_PARALLEL
, /* -parallel */
2446 DEV_VIRTCON
, /* -virtioconsole */
2447 DEV_DEBUGCON
, /* -debugcon */
2448 DEV_GDB
, /* -gdb, -s */
2449 DEV_SCLP
, /* s390 sclp */
2451 const char *cmdline
;
2453 QTAILQ_ENTRY(device_config
) next
;
2456 static QTAILQ_HEAD(, device_config
) device_configs
=
2457 QTAILQ_HEAD_INITIALIZER(device_configs
);
2459 static void add_device_config(int type
, const char *cmdline
)
2461 struct device_config
*conf
;
2463 conf
= g_malloc0(sizeof(*conf
));
2465 conf
->cmdline
= cmdline
;
2466 loc_save(&conf
->loc
);
2467 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2470 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2472 struct device_config
*conf
;
2475 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2476 if (conf
->type
!= type
)
2478 loc_push_restore(&conf
->loc
);
2479 rc
= func(conf
->cmdline
);
2480 loc_pop(&conf
->loc
);
2488 static int serial_parse(const char *devname
)
2490 static int index
= 0;
2493 if (strcmp(devname
, "none") == 0)
2495 if (index
== MAX_SERIAL_PORTS
) {
2496 error_report("too many serial ports");
2499 snprintf(label
, sizeof(label
), "serial%d", index
);
2500 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2501 if (!serial_hds
[index
]) {
2502 error_report("could not connect serial device"
2503 " to character backend '%s'", devname
);
2510 static int parallel_parse(const char *devname
)
2512 static int index
= 0;
2515 if (strcmp(devname
, "none") == 0)
2517 if (index
== MAX_PARALLEL_PORTS
) {
2518 error_report("too many parallel ports");
2521 snprintf(label
, sizeof(label
), "parallel%d", index
);
2522 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2523 if (!parallel_hds
[index
]) {
2524 error_report("could not connect parallel device"
2525 " to character backend '%s'", devname
);
2532 static int virtcon_parse(const char *devname
)
2534 QemuOptsList
*device
= qemu_find_opts("device");
2535 static int index
= 0;
2537 QemuOpts
*bus_opts
, *dev_opts
;
2539 if (strcmp(devname
, "none") == 0)
2541 if (index
== MAX_VIRTIO_CONSOLES
) {
2542 error_report("too many virtio consoles");
2546 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2547 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2549 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2550 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2552 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2553 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2554 if (!virtcon_hds
[index
]) {
2555 error_report("could not connect virtio console"
2556 " to character backend '%s'", devname
);
2559 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2565 static int sclp_parse(const char *devname
)
2567 QemuOptsList
*device
= qemu_find_opts("device");
2568 static int index
= 0;
2572 if (strcmp(devname
, "none") == 0) {
2575 if (index
== MAX_SCLP_CONSOLES
) {
2576 error_report("too many sclp consoles");
2580 assert(arch_type
== QEMU_ARCH_S390X
);
2582 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2583 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2585 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2586 sclp_hds
[index
] = qemu_chr_new(label
, devname
);
2587 if (!sclp_hds
[index
]) {
2588 error_report("could not connect sclp console"
2589 " to character backend '%s'", devname
);
2592 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2598 static int debugcon_parse(const char *devname
)
2602 if (!qemu_chr_new("debugcon", devname
)) {
2605 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2607 error_report("already have a debugcon device");
2610 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2611 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2615 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2617 const MachineClass
*mc1
= a
, *mc2
= b
;
2620 if (mc1
->family
== NULL
) {
2621 if (mc2
->family
== NULL
) {
2622 /* Compare standalone machine types against each other; they sort
2623 * in increasing order.
2625 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2626 object_class_get_name(OBJECT_CLASS(mc2
)));
2629 /* Standalone machine types sort after families. */
2633 if (mc2
->family
== NULL
) {
2634 /* Families sort before standalone machine types. */
2638 /* Families sort between each other alphabetically increasingly. */
2639 res
= strcmp(mc1
->family
, mc2
->family
);
2644 /* Within the same family, machine types sort in decreasing order. */
2645 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2646 object_class_get_name(OBJECT_CLASS(mc1
)));
2649 static MachineClass
*machine_parse(const char *name
)
2651 MachineClass
*mc
= NULL
;
2652 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2655 mc
= find_machine(name
);
2658 g_slist_free(machines
);
2661 if (name
&& !is_help_option(name
)) {
2662 error_report("unsupported machine type");
2663 error_printf("Use -machine help to list supported machines\n");
2665 printf("Supported machines are:\n");
2666 machines
= g_slist_sort(machines
, machine_class_cmp
);
2667 for (el
= machines
; el
; el
= el
->next
) {
2668 MachineClass
*mc
= el
->data
;
2670 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2672 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2673 mc
->is_default
? " (default)" : "");
2677 g_slist_free(machines
);
2678 exit(!name
|| !is_help_option(name
));
2681 void qemu_add_exit_notifier(Notifier
*notify
)
2683 notifier_list_add(&exit_notifiers
, notify
);
2686 void qemu_remove_exit_notifier(Notifier
*notify
)
2688 notifier_remove(notify
);
2691 static void qemu_run_exit_notifiers(void)
2693 notifier_list_notify(&exit_notifiers
, NULL
);
2696 static bool machine_init_done
;
2698 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2700 notifier_list_add(&machine_init_done_notifiers
, notify
);
2701 if (machine_init_done
) {
2702 notify
->notify(notify
, NULL
);
2706 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2708 notifier_remove(notify
);
2711 static void qemu_run_machine_init_done_notifiers(void)
2713 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2714 machine_init_done
= true;
2717 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2718 const char **poptarg
, int *poptind
)
2720 const QEMUOption
*popt
;
2721 int optind
= *poptind
;
2722 char *r
= argv
[optind
];
2725 loc_set_cmdline(argv
, optind
, 1);
2727 /* Treat --foo the same as -foo. */
2730 popt
= qemu_options
;
2733 error_report("invalid option");
2736 if (!strcmp(popt
->name
, r
+ 1))
2740 if (popt
->flags
& HAS_ARG
) {
2741 if (optind
>= argc
) {
2742 error_report("requires an argument");
2745 optarg
= argv
[optind
++];
2746 loc_set_cmdline(argv
, optind
- 2, 2);
2757 static MachineClass
*select_machine(void)
2759 MachineClass
*machine_class
= find_default_machine();
2764 loc_push_none(&loc
);
2766 opts
= qemu_get_machine_opts();
2767 qemu_opts_loc_restore(opts
);
2769 optarg
= qemu_opt_get(opts
, "type");
2771 machine_class
= machine_parse(optarg
);
2774 if (!machine_class
) {
2775 error_report("No machine specified, and there is no default");
2776 error_printf("Use -machine help to list supported machines\n");
2781 return machine_class
;
2784 static int machine_set_property(void *opaque
,
2785 const char *name
, const char *value
,
2788 Object
*obj
= OBJECT(opaque
);
2789 Error
*local_err
= NULL
;
2792 if (strcmp(name
, "type") == 0) {
2796 qom_name
= g_strdup(name
);
2797 for (p
= qom_name
; *p
; p
++) {
2803 object_property_parse(obj
, value
, qom_name
, &local_err
);
2807 error_report_err(local_err
);
2816 * Initial object creation happens before all other
2817 * QEMU data types are created. The majority of objects
2818 * can be created at this point. The rng-egd object
2819 * cannot be created here, as it depends on the chardev
2822 static bool object_create_initial(const char *type
)
2824 if (g_str_equal(type
, "rng-egd") ||
2825 g_str_has_prefix(type
, "pr-manager-")) {
2829 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2830 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2836 * return false for concrete netfilters since
2837 * they depend on netdevs already existing
2839 if (g_str_equal(type
, "filter-buffer") ||
2840 g_str_equal(type
, "filter-dump") ||
2841 g_str_equal(type
, "filter-mirror") ||
2842 g_str_equal(type
, "filter-redirector") ||
2843 g_str_equal(type
, "colo-compare") ||
2844 g_str_equal(type
, "filter-rewriter") ||
2845 g_str_equal(type
, "filter-replay")) {
2849 /* Memory allocation by backends needs to be done
2850 * after configure_accelerator() (due to the tcg_enabled()
2851 * checks at memory_region_init_*()).
2853 * Also, allocation of large amounts of memory may delay
2854 * chardev initialization for too long, and trigger timeouts
2855 * on software that waits for a monitor socket to be created
2858 if (g_str_has_prefix(type
, "memory-backend-")) {
2867 * The remainder of object creation happens after the
2868 * creation of chardev, fsdev, net clients and device data types.
2870 static bool object_create_delayed(const char *type
)
2872 return !object_create_initial(type
);
2876 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2880 const char *mem_str
;
2881 const char *maxmem_str
, *slots_str
;
2882 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2883 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2886 loc_push_none(&loc
);
2887 qemu_opts_loc_restore(opts
);
2890 mem_str
= qemu_opt_get(opts
, "size");
2893 error_report("missing 'size' option value");
2897 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2899 /* Fix up legacy suffix-less format */
2900 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2901 uint64_t overflow_check
= sz
;
2904 if ((sz
>> 20) != overflow_check
) {
2905 error_report("too large 'size' option value");
2911 /* backward compatibility behaviour for case "-m 0" */
2913 sz
= default_ram_size
;
2916 sz
= QEMU_ALIGN_UP(sz
, 8192);
2918 if (ram_size
!= sz
) {
2919 error_report("ram size too large");
2923 /* store value for the future use */
2924 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2925 *maxram_size
= ram_size
;
2927 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2928 slots_str
= qemu_opt_get(opts
, "slots");
2929 if (maxmem_str
&& slots_str
) {
2932 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2933 slots
= qemu_opt_get_number(opts
, "slots", 0);
2934 if (sz
< ram_size
) {
2935 error_report("invalid value of -m option maxmem: "
2936 "maximum memory size (0x%" PRIx64
") must be at least "
2937 "the initial memory size (0x" RAM_ADDR_FMT
")",
2940 } else if (sz
> ram_size
) {
2942 error_report("invalid value of -m option: maxmem was "
2943 "specified, but no hotplug slots were specified");
2947 error_report("invalid value of -m option maxmem: "
2948 "memory slots were specified but maximum memory size "
2949 "(0x%" PRIx64
") is equal to the initial memory size "
2950 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2956 } else if ((!maxmem_str
&& slots_str
) ||
2957 (maxmem_str
&& !slots_str
)) {
2958 error_report("invalid -m option value: missing "
2959 "'%s' option", slots_str
? "maxmem" : "slots");
2966 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2970 g
= g_malloc0(sizeof(*g
));
2971 g
->driver
= qemu_opt_get(opts
, "driver");
2972 g
->property
= qemu_opt_get(opts
, "property");
2973 g
->value
= qemu_opt_get(opts
, "value");
2974 g
->user_provided
= true;
2975 g
->errp
= &error_fatal
;
2976 qdev_prop_register_global(g
);
2980 static int qemu_read_default_config_file(void)
2984 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2985 if (ret
< 0 && ret
!= -ENOENT
) {
2992 static void user_register_global_props(void)
2994 qemu_opts_foreach(qemu_find_opts("global"),
2995 global_init_func
, NULL
, NULL
);
2999 * Note: we should see that these properties are actually having a
3000 * priority: accel < machine < user. This means e.g. when user
3001 * specifies something in "-global", it'll always be used with highest
3002 * priority than either machine/accelerator compat properties.
3004 static void register_global_properties(MachineState
*ms
)
3006 accel_register_compat_props(ms
->accelerator
);
3007 machine_register_compat_props(ms
);
3008 user_register_global_props();
3011 int main(int argc
, char **argv
, char **envp
)
3014 int snapshot
, linux_boot
;
3015 const char *initrd_filename
;
3016 const char *kernel_filename
, *kernel_cmdline
;
3017 const char *boot_order
= NULL
;
3018 const char *boot_once
= NULL
;
3020 QemuOpts
*opts
, *machine_opts
;
3021 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
3022 QemuOptsList
*olist
;
3025 const char *loadvm
= NULL
;
3026 MachineClass
*machine_class
;
3027 const char *cpu_model
;
3028 const char *vga_model
= NULL
;
3029 const char *qtest_chrdev
= NULL
;
3030 const char *qtest_log
= NULL
;
3031 const char *pid_file
= NULL
;
3032 const char *incoming
= NULL
;
3033 bool userconfig
= true;
3034 bool nographic
= false;
3035 int display_remote
= 0;
3036 const char *log_mask
= NULL
;
3037 const char *log_file
= NULL
;
3038 char *trace_file
= NULL
;
3039 ram_addr_t maxram_size
;
3040 uint64_t ram_slots
= 0;
3041 FILE *vmstate_dump_file
= NULL
;
3042 Error
*main_loop_err
= NULL
;
3044 bool list_data_dirs
= false;
3046 typedef struct BlockdevOptions_queue
{
3047 BlockdevOptions
*bdo
;
3049 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
3050 } BlockdevOptions_queue
;
3051 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
3052 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
3054 module_call_init(MODULE_INIT_TRACE
);
3056 qemu_init_cpu_list();
3057 qemu_init_cpu_loop();
3058 qemu_mutex_lock_iothread();
3060 atexit(qemu_run_exit_notifiers
);
3061 error_set_progname(argv
[0]);
3062 qemu_init_exec_dir(argv
[0]);
3064 module_call_init(MODULE_INIT_QOM
);
3065 monitor_init_qmp_commands();
3067 qemu_add_opts(&qemu_drive_opts
);
3068 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3069 qemu_add_drive_opts(&qemu_common_drive_opts
);
3070 qemu_add_drive_opts(&qemu_drive_opts
);
3071 qemu_add_drive_opts(&bdrv_runtime_opts
);
3072 qemu_add_opts(&qemu_chardev_opts
);
3073 qemu_add_opts(&qemu_device_opts
);
3074 qemu_add_opts(&qemu_netdev_opts
);
3075 qemu_add_opts(&qemu_nic_opts
);
3076 qemu_add_opts(&qemu_net_opts
);
3077 qemu_add_opts(&qemu_rtc_opts
);
3078 qemu_add_opts(&qemu_global_opts
);
3079 qemu_add_opts(&qemu_mon_opts
);
3080 qemu_add_opts(&qemu_trace_opts
);
3081 qemu_add_opts(&qemu_option_rom_opts
);
3082 qemu_add_opts(&qemu_machine_opts
);
3083 qemu_add_opts(&qemu_accel_opts
);
3084 qemu_add_opts(&qemu_mem_opts
);
3085 qemu_add_opts(&qemu_smp_opts
);
3086 qemu_add_opts(&qemu_boot_opts
);
3087 qemu_add_opts(&qemu_sandbox_opts
);
3088 qemu_add_opts(&qemu_add_fd_opts
);
3089 qemu_add_opts(&qemu_object_opts
);
3090 qemu_add_opts(&qemu_tpmdev_opts
);
3091 qemu_add_opts(&qemu_realtime_opts
);
3092 qemu_add_opts(&qemu_msg_opts
);
3093 qemu_add_opts(&qemu_name_opts
);
3094 qemu_add_opts(&qemu_numa_opts
);
3095 qemu_add_opts(&qemu_icount_opts
);
3096 qemu_add_opts(&qemu_semihosting_config_opts
);
3097 qemu_add_opts(&qemu_fw_cfg_opts
);
3098 module_call_init(MODULE_INIT_OPTS
);
3102 if (qcrypto_init(&err
) < 0) {
3103 error_reportf_err(err
, "cannot initialize crypto: ");
3106 rtc_clock
= QEMU_CLOCK_HOST
;
3108 QLIST_INIT (&vm_change_state_head
);
3109 os_setup_early_signal_handling();
3116 bdrv_init_with_whitelist();
3120 /* first pass of option parsing */
3122 while (optind
< argc
) {
3123 if (argv
[optind
][0] != '-') {
3127 const QEMUOption
*popt
;
3129 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3130 switch (popt
->index
) {
3131 case QEMU_OPTION_nodefconfig
:
3132 case QEMU_OPTION_nouserconfig
:
3140 if (qemu_read_default_config_file() < 0) {
3145 /* second pass of option parsing */
3150 if (argv
[optind
][0] != '-') {
3151 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3153 const QEMUOption
*popt
;
3155 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3156 if (!(popt
->arch_mask
& arch_type
)) {
3157 error_report("Option not supported for this target");
3160 switch(popt
->index
) {
3161 case QEMU_OPTION_no_kvm_irqchip
: {
3162 olist
= qemu_find_opts("machine");
3163 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3166 case QEMU_OPTION_cpu
:
3167 /* hw initialization will check this */
3170 case QEMU_OPTION_hda
:
3171 case QEMU_OPTION_hdb
:
3172 case QEMU_OPTION_hdc
:
3173 case QEMU_OPTION_hdd
:
3174 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3177 case QEMU_OPTION_blockdev
:
3180 BlockdevOptions_queue
*bdo
;
3182 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3184 error_report_err(err
);
3188 bdo
= g_new(BlockdevOptions_queue
, 1);
3189 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3192 loc_save(&bdo
->loc
);
3193 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3196 case QEMU_OPTION_drive
:
3197 if (drive_def(optarg
) == NULL
) {
3201 case QEMU_OPTION_set
:
3202 if (qemu_set_option(optarg
) != 0)
3205 case QEMU_OPTION_global
:
3206 if (qemu_global_option(optarg
) != 0)
3209 case QEMU_OPTION_mtdblock
:
3210 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3212 case QEMU_OPTION_sd
:
3213 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3215 case QEMU_OPTION_pflash
:
3216 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3218 case QEMU_OPTION_snapshot
:
3221 case QEMU_OPTION_numa
:
3222 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3228 case QEMU_OPTION_display
:
3229 parse_display(optarg
);
3231 case QEMU_OPTION_nographic
:
3232 olist
= qemu_find_opts("machine");
3233 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3235 dpy
.type
= DISPLAY_TYPE_NONE
;
3237 case QEMU_OPTION_curses
:
3238 #ifdef CONFIG_CURSES
3239 dpy
.type
= DISPLAY_TYPE_CURSES
;
3241 error_report("curses support is disabled");
3245 case QEMU_OPTION_portrait
:
3246 graphic_rotate
= 90;
3248 case QEMU_OPTION_rotate
:
3249 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3250 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3251 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3252 error_report("only 90, 180, 270 deg rotation is available");
3256 case QEMU_OPTION_kernel
:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3260 case QEMU_OPTION_initrd
:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3264 case QEMU_OPTION_append
:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3268 case QEMU_OPTION_dtb
:
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3272 case QEMU_OPTION_cdrom
:
3273 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3275 case QEMU_OPTION_boot
:
3276 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3282 case QEMU_OPTION_fda
:
3283 case QEMU_OPTION_fdb
:
3284 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3287 case QEMU_OPTION_no_fd_bootchk
:
3290 case QEMU_OPTION_netdev
:
3292 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3296 case QEMU_OPTION_nic
:
3298 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3302 case QEMU_OPTION_net
:
3304 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3308 #ifdef CONFIG_LIBISCSI
3309 case QEMU_OPTION_iscsi
:
3310 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3318 case QEMU_OPTION_tftp
:
3319 error_report("The -tftp option is deprecated. "
3320 "Please use '-netdev user,tftp=...' instead.");
3321 legacy_tftp_prefix
= optarg
;
3323 case QEMU_OPTION_bootp
:
3324 error_report("The -bootp option is deprecated. "
3325 "Please use '-netdev user,bootfile=...' instead.");
3326 legacy_bootp_filename
= optarg
;
3328 case QEMU_OPTION_redir
:
3329 error_report("The -redir option is deprecated. "
3330 "Please use '-netdev user,hostfwd=...' instead.");
3331 if (net_slirp_redir(optarg
) < 0)
3335 case QEMU_OPTION_bt
:
3336 add_device_config(DEV_BT
, optarg
);
3338 case QEMU_OPTION_audio_help
:
3342 case QEMU_OPTION_soundhw
:
3343 select_soundhw (optarg
);
3348 case QEMU_OPTION_version
:
3353 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3360 case QEMU_OPTION_tpmdev
:
3361 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3366 case QEMU_OPTION_mempath
:
3369 case QEMU_OPTION_mem_prealloc
:
3378 case QEMU_OPTION_DFILTER
:
3379 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3382 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3384 case QEMU_OPTION_gdb
:
3385 add_device_config(DEV_GDB
, optarg
);
3388 if (is_help_option(optarg
)) {
3389 list_data_dirs
= true;
3391 qemu_add_data_dir(optarg
);
3394 case QEMU_OPTION_bios
:
3395 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3398 case QEMU_OPTION_singlestep
:
3405 keyboard_layout
= optarg
;
3407 case QEMU_OPTION_localtime
:
3410 case QEMU_OPTION_vga
:
3419 w
= strtol(p
, (char **)&p
, 10);
3422 error_report("invalid resolution or depth");
3428 h
= strtol(p
, (char **)&p
, 10);
3433 depth
= strtol(p
, (char **)&p
, 10);
3434 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3435 depth
!= 24 && depth
!= 32)
3437 } else if (*p
== '\0') {
3438 depth
= graphic_depth
;
3445 graphic_depth
= depth
;
3448 case QEMU_OPTION_echr
:
3451 term_escape_char
= strtol(optarg
, &r
, 0);
3453 printf("Bad argument to echr\n");
3456 case QEMU_OPTION_monitor
:
3457 default_monitor
= 0;
3458 if (strncmp(optarg
, "none", 4)) {
3459 monitor_parse(optarg
, "readline", false);
3462 case QEMU_OPTION_qmp
:
3463 monitor_parse(optarg
, "control", false);
3464 default_monitor
= 0;
3466 case QEMU_OPTION_qmp_pretty
:
3467 monitor_parse(optarg
, "control", true);
3468 default_monitor
= 0;
3470 case QEMU_OPTION_mon
:
3471 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3476 default_monitor
= 0;
3478 case QEMU_OPTION_chardev
:
3479 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3485 case QEMU_OPTION_fsdev
:
3486 olist
= qemu_find_opts("fsdev");
3488 error_report("fsdev support is disabled");
3491 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3496 case QEMU_OPTION_virtfs
: {
3499 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3501 olist
= qemu_find_opts("virtfs");
3503 error_report("virtfs support is disabled");
3506 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3511 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3512 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3513 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3516 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3517 qemu_opts_id(opts
) ?:
3518 qemu_opt_get(opts
, "mount_tag"),
3521 error_report("duplicate or invalid fsdev id: %s",
3522 qemu_opt_get(opts
, "mount_tag"));
3526 writeout
= qemu_opt_get(opts
, "writeout");
3528 #ifdef CONFIG_SYNC_FILE_RANGE
3529 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3531 error_report("writeout=immediate not supported "
3532 "on this platform");
3536 qemu_opt_set(fsdev
, "fsdriver",
3537 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3538 path
= qemu_opt_get(opts
, "path");
3540 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3542 security_model
= qemu_opt_get(opts
, "security_model");
3543 if (security_model
) {
3544 qemu_opt_set(fsdev
, "security_model", security_model
,
3547 socket
= qemu_opt_get(opts
, "socket");
3549 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3551 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3553 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3556 qemu_opt_set_bool(fsdev
, "readonly",
3557 qemu_opt_get_bool(opts
, "readonly", 0),
3559 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3561 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3562 qemu_opt_set(device
, "fsdev",
3563 qemu_opts_id(fsdev
), &error_abort
);
3564 qemu_opt_set(device
, "mount_tag",
3565 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3568 case QEMU_OPTION_virtfs_synth
: {
3572 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3575 error_report("duplicate option: %s", "virtfs_synth");
3578 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3580 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3582 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3583 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3584 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3587 case QEMU_OPTION_serial
:
3588 add_device_config(DEV_SERIAL
, optarg
);
3590 if (strncmp(optarg
, "mon:", 4) == 0) {
3591 default_monitor
= 0;
3594 case QEMU_OPTION_watchdog
:
3596 error_report("only one watchdog option may be given");
3601 case QEMU_OPTION_watchdog_action
:
3602 if (select_watchdog_action(optarg
) == -1) {
3603 error_report("unknown -watchdog-action parameter");
3607 case QEMU_OPTION_virtiocon
:
3608 add_device_config(DEV_VIRTCON
, optarg
);
3609 default_virtcon
= 0;
3610 if (strncmp(optarg
, "mon:", 4) == 0) {
3611 default_monitor
= 0;
3614 case QEMU_OPTION_parallel
:
3615 add_device_config(DEV_PARALLEL
, optarg
);
3616 default_parallel
= 0;
3617 if (strncmp(optarg
, "mon:", 4) == 0) {
3618 default_monitor
= 0;
3621 case QEMU_OPTION_debugcon
:
3622 add_device_config(DEV_DEBUGCON
, optarg
);
3624 case QEMU_OPTION_loadvm
:
3627 case QEMU_OPTION_full_screen
:
3628 dpy
.has_full_screen
= true;
3629 dpy
.full_screen
= true;
3631 case QEMU_OPTION_no_frame
:
3632 g_printerr("The -no-frame switch is deprecated, and will be\n"
3633 "removed in a future release.\n");
3636 case QEMU_OPTION_alt_grab
:
3639 case QEMU_OPTION_ctrl_grab
:
3642 case QEMU_OPTION_no_quit
:
3643 dpy
.has_window_close
= true;
3644 dpy
.window_close
= false;
3646 case QEMU_OPTION_sdl
:
3648 dpy
.type
= DISPLAY_TYPE_SDL
;
3651 error_report("SDL support is disabled");
3654 case QEMU_OPTION_pidfile
:
3657 case QEMU_OPTION_win2k_hack
:
3658 win2k_install_hack
= 1;
3660 case QEMU_OPTION_rtc_td_hack
: {
3661 static GlobalProperty slew_lost_ticks
= {
3662 .driver
= "mc146818rtc",
3663 .property
= "lost_tick_policy",
3667 qdev_prop_register_global(&slew_lost_ticks
);
3670 case QEMU_OPTION_acpitable
:
3671 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3676 acpi_table_add(opts
, &error_fatal
);
3678 case QEMU_OPTION_smbios
:
3679 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3684 smbios_entry_add(opts
, &error_fatal
);
3686 case QEMU_OPTION_fwcfg
:
3687 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
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_no_kvm_pit_reinjection
: {
3714 static GlobalProperty kvm_pit_lost_tick_policy
= {
3715 .driver
= "kvm-pit",
3716 .property
= "lost_tick_policy",
3720 warn_report("deprecated, replaced by "
3721 "-global kvm-pit.lost_tick_policy=discard");
3722 qdev_prop_register_global(&kvm_pit_lost_tick_policy
);
3725 case QEMU_OPTION_accel
:
3726 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3728 optarg
= qemu_opt_get(accel_opts
, "accel");
3729 if (!optarg
|| is_help_option(optarg
)) {
3730 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3733 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3734 false, &error_abort
);
3735 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3737 case QEMU_OPTION_usb
:
3738 olist
= qemu_find_opts("machine");
3739 qemu_opts_parse_noisily(olist
, "usb=on", false);
3741 case QEMU_OPTION_usbdevice
:
3742 error_report("'-usbdevice' is deprecated, please use "
3743 "'-device usb-...' instead");
3744 olist
= qemu_find_opts("machine");
3745 qemu_opts_parse_noisily(olist
, "usb=on", false);
3746 add_device_config(DEV_USB
, optarg
);
3748 case QEMU_OPTION_device
:
3749 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3754 case QEMU_OPTION_smp
:
3755 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3760 case QEMU_OPTION_vnc
:
3761 vnc_parse(optarg
, &error_fatal
);
3763 case QEMU_OPTION_no_acpi
:
3766 case QEMU_OPTION_no_hpet
:
3769 case QEMU_OPTION_balloon
:
3770 if (balloon_parse(optarg
) < 0) {
3771 error_report("unknown -balloon argument %s", optarg
);
3775 case QEMU_OPTION_no_reboot
:
3778 case QEMU_OPTION_no_shutdown
:
3781 case QEMU_OPTION_show_cursor
:
3784 case QEMU_OPTION_uuid
:
3785 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3786 error_report("failed to parse UUID string: wrong format");
3789 qemu_uuid_set
= true;
3791 case QEMU_OPTION_option_rom
:
3792 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3793 error_report("too many option ROMs");
3796 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3801 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3802 option_rom
[nb_option_roms
].bootindex
=
3803 qemu_opt_get_number(opts
, "bootindex", -1);
3804 if (!option_rom
[nb_option_roms
].name
) {
3805 error_report("Option ROM file is not specified");
3810 case QEMU_OPTION_semihosting
:
3811 semihosting
.enabled
= true;
3812 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3814 case QEMU_OPTION_semihosting_config
:
3815 semihosting
.enabled
= true;
3816 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3819 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3821 const char *target
= qemu_opt_get(opts
, "target");
3822 if (target
!= NULL
) {
3823 if (strcmp("native", target
) == 0) {
3824 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3825 } else if (strcmp("gdb", target
) == 0) {
3826 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3827 } else if (strcmp("auto", target
) == 0) {
3828 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3830 error_report("unsupported semihosting-config %s",
3835 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3837 /* Set semihosting argument count and vector */
3838 qemu_opt_foreach(opts
, add_semihosting_arg
,
3839 &semihosting
, NULL
);
3841 error_report("unsupported semihosting-config %s", optarg
);
3845 case QEMU_OPTION_tdf
:
3846 warn_report("ignoring deprecated option");
3848 case QEMU_OPTION_name
:
3849 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3855 case QEMU_OPTION_prom_env
:
3856 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3857 error_report("too many prom variables");
3860 prom_envs
[nb_prom_envs
] = optarg
;
3863 case QEMU_OPTION_old_param
:
3866 case QEMU_OPTION_clock
:
3867 /* Clock options no longer exist. Keep this option for
3868 * backward compatibility.
3871 case QEMU_OPTION_startdate
:
3872 configure_rtc_date_offset(optarg
, 1);
3874 case QEMU_OPTION_rtc
:
3875 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3880 configure_rtc(opts
);
3882 case QEMU_OPTION_tb_size
:
3884 error_report("TCG is disabled");
3887 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3888 error_report("Invalid argument to -tb-size");
3892 case QEMU_OPTION_icount
:
3893 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3899 case QEMU_OPTION_incoming
:
3901 runstate_set(RUN_STATE_INMIGRATE
);
3905 case QEMU_OPTION_only_migratable
:
3907 * TODO: we can remove this option one day, and we
3910 * "-global migration.only-migratable=true"
3912 qemu_global_option("migration.only-migratable=true");
3914 case QEMU_OPTION_nodefaults
:
3917 case QEMU_OPTION_xen_domid
:
3918 if (!(xen_available())) {
3919 error_report("Option not supported for this target");
3922 xen_domid
= atoi(optarg
);
3924 case QEMU_OPTION_xen_create
:
3925 if (!(xen_available())) {
3926 error_report("Option not supported for this target");
3929 xen_mode
= XEN_CREATE
;
3931 case QEMU_OPTION_xen_attach
:
3932 if (!(xen_available())) {
3933 error_report("Option not supported for this target");
3936 xen_mode
= XEN_ATTACH
;
3938 case QEMU_OPTION_xen_domid_restrict
:
3939 if (!(xen_available())) {
3940 error_report("Option not supported for this target");
3943 xen_domid_restrict
= true;
3945 case QEMU_OPTION_trace
:
3947 trace_file
= trace_opt_parse(optarg
);
3949 case QEMU_OPTION_readconfig
:
3951 int ret
= qemu_read_config_file(optarg
);
3953 error_report("read config %s: %s", optarg
,
3959 case QEMU_OPTION_spice
:
3960 olist
= qemu_find_opts("spice");
3962 error_report("spice support is disabled");
3965 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3971 case QEMU_OPTION_writeconfig
:
3974 if (strcmp(optarg
, "-") == 0) {
3977 fp
= fopen(optarg
, "w");
3979 error_report("open %s: %s", optarg
,
3984 qemu_config_write(fp
);
3990 case QEMU_OPTION_qtest
:
3991 qtest_chrdev
= optarg
;
3993 case QEMU_OPTION_qtest_log
:
3996 case QEMU_OPTION_sandbox
:
3997 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4003 case QEMU_OPTION_add_fd
:
4005 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4011 error_report("File descriptor passing is disabled on this "
4016 case QEMU_OPTION_object
:
4017 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
4023 case QEMU_OPTION_realtime
:
4024 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4029 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
4031 case QEMU_OPTION_msg
:
4032 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
4037 configure_msg(opts
);
4039 case QEMU_OPTION_dump_vmstate
:
4040 if (vmstate_dump_file
) {
4041 error_report("only one '-dump-vmstate' "
4042 "option may be given");
4045 vmstate_dump_file
= fopen(optarg
, "w");
4046 if (vmstate_dump_file
== NULL
) {
4047 error_report("open %s: %s", optarg
, strerror(errno
));
4052 os_parse_cmd_args(popt
->index
, optarg
);
4057 * Clear error location left behind by the loop.
4058 * Best done right after the loop. Do not insert code here!
4062 replay_configure(icount_opts
);
4064 machine_class
= select_machine();
4066 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4069 rcu_disable_atfork();
4071 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4072 error_report("could not acquire pid file: %s", strerror(errno
));
4076 if (qemu_init_main_loop(&main_loop_err
)) {
4077 error_report_err(main_loop_err
);
4081 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4082 parse_sandbox
, NULL
, NULL
)) {
4086 if (qemu_opts_foreach(qemu_find_opts("name"),
4087 parse_name
, NULL
, NULL
)) {
4092 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4093 parse_add_fd
, NULL
, NULL
)) {
4097 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4098 cleanup_add_fd
, NULL
, NULL
)) {
4103 current_machine
= MACHINE(object_new(object_class_get_name(
4104 OBJECT_CLASS(machine_class
))));
4105 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4108 object_property_add_child(object_get_root(), "machine",
4109 OBJECT(current_machine
), &error_abort
);
4111 if (machine_class
->minimum_page_bits
) {
4112 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4113 /* This would be a board error: specifying a minimum smaller than
4114 * a target's compile-time fixed setting.
4116 g_assert_not_reached();
4120 cpu_exec_init_all();
4122 if (machine_class
->hw_version
) {
4123 qemu_set_hw_version(machine_class
->hw_version
);
4126 if (cpu_model
&& is_help_option(cpu_model
)) {
4127 list_cpus(stdout
, &fprintf
, cpu_model
);
4131 if (!trace_init_backends()) {
4134 trace_init_file(trace_file
);
4136 /* Open the logfile at this point and set the log mask if necessary.
4139 qemu_set_log_filename(log_file
, &error_fatal
);
4144 mask
= qemu_str_to_log_mask(log_mask
);
4146 qemu_print_log_usage(stdout
);
4154 /* add configured firmware directories */
4155 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4156 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4157 qemu_add_data_dir(dirs
[i
]);
4161 /* try to find datadir relative to the executable path */
4162 dir
= os_find_datadir();
4163 qemu_add_data_dir(dir
);
4166 /* add the datadir specified when building */
4167 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4169 /* -L help lists the data directories and exits. */
4170 if (list_data_dirs
) {
4171 for (i
= 0; i
< data_dir_idx
; i
++) {
4172 printf("%s\n", data_dir
[i
]);
4177 /* machine_class: default to UP */
4178 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4179 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4180 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4182 /* default to machine_class->default_cpus */
4183 smp_cpus
= machine_class
->default_cpus
;
4184 max_cpus
= machine_class
->default_cpus
;
4186 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4188 /* sanity-check smp_cpus and max_cpus against machine_class */
4189 if (smp_cpus
< machine_class
->min_cpus
) {
4190 error_report("Invalid SMP CPUs %d. The min CPUs "
4191 "supported by machine '%s' is %d", smp_cpus
,
4192 machine_class
->name
, machine_class
->min_cpus
);
4195 if (max_cpus
> machine_class
->max_cpus
) {
4196 error_report("Invalid SMP CPUs %d. The max CPUs "
4197 "supported by machine '%s' is %d", max_cpus
,
4198 machine_class
->name
, machine_class
->max_cpus
);
4203 * Get the default machine options from the machine if it is not already
4204 * specified either by the configuration file or by the command line.
4206 if (machine_class
->default_machine_opts
) {
4207 qemu_opts_set_defaults(qemu_find_opts("machine"),
4208 machine_class
->default_machine_opts
, 0);
4211 qemu_opts_foreach(qemu_find_opts("device"),
4212 default_driver_check
, NULL
, NULL
);
4213 qemu_opts_foreach(qemu_find_opts("global"),
4214 default_driver_check
, NULL
, NULL
);
4216 if (!vga_model
&& !default_vga
) {
4217 vga_interface_type
= VGA_DEVICE
;
4219 if (!has_defaults
|| machine_class
->no_serial
) {
4222 if (!has_defaults
|| machine_class
->no_parallel
) {
4223 default_parallel
= 0;
4225 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4226 default_virtcon
= 0;
4228 if (!has_defaults
|| !machine_class
->use_sclp
) {
4231 if (!has_defaults
|| machine_class
->no_floppy
) {
4234 if (!has_defaults
|| machine_class
->no_cdrom
) {
4237 if (!has_defaults
|| machine_class
->no_sdcard
) {
4240 if (!has_defaults
) {
4241 default_monitor
= 0;
4246 if (is_daemonized()) {
4247 /* According to documentation and historically, -nographic redirects
4248 * serial port, parallel port and monitor to stdio, which does not work
4249 * with -daemonize. We can redirect these to null instead, but since
4250 * -nographic is legacy, let's just error out.
4251 * We disallow -nographic only if all other ports are not redirected
4252 * explicitly, to not break existing legacy setups which uses
4253 * -nographic _and_ redirects all ports explicitly - this is valid
4254 * usage, -nographic is just a no-op in this case.
4257 && (default_parallel
|| default_serial
4258 || default_monitor
|| default_virtcon
)) {
4259 error_report("-nographic cannot be used with -daemonize");
4262 #ifdef CONFIG_CURSES
4263 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4264 error_report("curses display cannot be used with -daemonize");
4271 if (default_parallel
)
4272 add_device_config(DEV_PARALLEL
, "null");
4273 if (default_serial
&& default_monitor
) {
4274 add_device_config(DEV_SERIAL
, "mon:stdio");
4275 } else if (default_virtcon
&& default_monitor
) {
4276 add_device_config(DEV_VIRTCON
, "mon:stdio");
4277 } else if (default_sclp
&& default_monitor
) {
4278 add_device_config(DEV_SCLP
, "mon:stdio");
4281 add_device_config(DEV_SERIAL
, "stdio");
4282 if (default_virtcon
)
4283 add_device_config(DEV_VIRTCON
, "stdio");
4285 add_device_config(DEV_SCLP
, "stdio");
4287 if (default_monitor
)
4288 monitor_parse("stdio", "readline", false);
4292 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4293 if (default_parallel
)
4294 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4295 if (default_monitor
)
4296 monitor_parse("vc:80Cx24C", "readline", false);
4297 if (default_virtcon
)
4298 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4300 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4304 #if defined(CONFIG_VNC)
4305 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4309 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4310 if (!qemu_display_find_default(&dpy
)) {
4311 dpy
.type
= DISPLAY_TYPE_NONE
;
4312 #if defined(CONFIG_VNC)
4313 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4317 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4318 dpy
.type
= DISPLAY_TYPE_NONE
;
4321 if ((no_frame
|| alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4322 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4323 "for SDL, ignoring option");
4325 if (dpy
.has_window_close
&&
4326 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4327 error_report("-no-quit is only valid for GTK and SDL, "
4331 qemu_display_early_init(&dpy
);
4332 qemu_console_early_init();
4334 if (dpy
.has_gl
&& dpy
.gl
&& display_opengl
== 0) {
4335 #if defined(CONFIG_OPENGL)
4336 error_report("OpenGL is not supported by the display");
4338 error_report("OpenGL support is disabled");
4346 if (qemu_opts_foreach(qemu_find_opts("object"),
4347 user_creatable_add_opts_foreach
,
4348 object_create_initial
, NULL
)) {
4352 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4353 chardev_init_func
, NULL
, NULL
)) {
4357 #ifdef CONFIG_VIRTFS
4358 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4359 fsdev_init_func
, NULL
, NULL
)) {
4364 if (qemu_opts_foreach(qemu_find_opts("device"),
4365 device_help_func
, NULL
, NULL
)) {
4369 machine_opts
= qemu_get_machine_opts();
4370 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4372 object_unref(OBJECT(current_machine
));
4376 configure_accelerator(current_machine
);
4379 * Register all the global properties, including accel properties,
4380 * machine properties, and user-specified ones.
4382 register_global_properties(current_machine
);
4385 * Migration object can only be created after global properties
4386 * are applied correctly.
4388 migration_object_init();
4391 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4394 machine_opts
= qemu_get_machine_opts();
4395 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4396 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4397 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4398 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4400 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4402 boot_order
= qemu_opt_get(opts
, "order");
4404 validate_bootdevices(boot_order
, &error_fatal
);
4407 boot_once
= qemu_opt_get(opts
, "once");
4409 validate_bootdevices(boot_once
, &error_fatal
);
4412 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4413 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4417 boot_order
= machine_class
->default_boot_order
;
4420 if (!kernel_cmdline
) {
4421 kernel_cmdline
= "";
4422 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4425 linux_boot
= (kernel_filename
!= NULL
);
4427 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4428 error_report("-append only allowed with -kernel option");
4432 if (!linux_boot
&& initrd_filename
!= NULL
) {
4433 error_report("-initrd only allowed with -kernel option");
4437 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4438 /* fall back to the -kernel/-append */
4439 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4442 os_set_line_buffering();
4444 /* spice needs the timers to be initialized by this point */
4449 if (!tcg_enabled()) {
4450 error_report("-icount is not allowed with hardware virtualization");
4453 configure_icount(icount_opts
, &error_abort
);
4454 qemu_opts_del(icount_opts
);
4457 if (tcg_enabled()) {
4458 qemu_tcg_configure(accel_opts
, &error_fatal
);
4462 QemuOptsList
*net
= qemu_find_opts("net");
4463 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4465 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4471 if (net_init_clients(&err
) < 0) {
4472 error_report_err(err
);
4476 if (qemu_opts_foreach(qemu_find_opts("object"),
4477 user_creatable_add_opts_foreach
,
4478 object_create_delayed
, NULL
)) {
4482 if (tpm_init() < 0) {
4486 /* init the bluetooth world */
4487 if (foreach_device_config(DEV_BT
, bt_parse
))
4490 if (!xen_enabled()) {
4491 /* On 32-bit hosts, QEMU is limited by virtual address space */
4492 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4493 error_report("at most 2047 MB RAM can be simulated");
4501 /* If the currently selected machine wishes to override the units-per-bus
4502 * property of its default HBA interface type, do so now. */
4503 if (machine_class
->units_per_default_bus
) {
4504 override_max_devs(machine_class
->block_default_type
,
4505 machine_class
->units_per_default_bus
);
4508 /* open the virtual block devices */
4509 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4510 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4512 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4513 loc_push_restore(&bdo
->loc
);
4514 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4516 qapi_free_BlockdevOptions(bdo
->bdo
);
4519 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4520 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4523 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4524 &machine_class
->block_default_type
, NULL
)) {
4528 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4530 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4531 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4533 if (qemu_opts_foreach(qemu_find_opts("mon"),
4534 mon_init_func
, NULL
, NULL
)) {
4538 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4540 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4542 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4544 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4547 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4550 /* If no default VGA is requested, the default is "none". */
4552 if (machine_class
->default_display
) {
4553 vga_model
= machine_class
->default_display
;
4554 } else if (vga_interface_available(VGA_CIRRUS
)) {
4555 vga_model
= "cirrus";
4556 } else if (vga_interface_available(VGA_STD
)) {
4561 select_vgahw(vga_model
);
4565 i
= select_watchdog(watchdog
);
4567 exit (i
== 1 ? 1 : 0);
4570 /* This checkpoint is required by replay to separate prior clock
4571 reading from the other reads, because timer polling functions query
4572 clock values from the log. */
4573 replay_checkpoint(CHECKPOINT_INIT
);
4574 qdev_machine_init();
4576 current_machine
->ram_size
= ram_size
;
4577 current_machine
->maxram_size
= maxram_size
;
4578 current_machine
->ram_slots
= ram_slots
;
4579 current_machine
->boot_order
= boot_order
;
4580 current_machine
->cpu_model
= cpu_model
;
4582 /* parse features once if machine provides default cpu_type */
4583 if (machine_class
->default_cpu_type
) {
4584 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4586 current_machine
->cpu_type
=
4587 cpu_parse_cpu_model(machine_class
->default_cpu_type
, cpu_model
);
4590 parse_numa_opts(current_machine
);
4592 machine_run_board_init(current_machine
);
4598 if (hax_enabled()) {
4602 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4603 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4607 /* init USB devices */
4608 if (machine_usb(current_machine
)) {
4609 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4613 /* Check if IGD GFX passthrough. */
4616 /* init generic devices */
4617 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4618 if (qemu_opts_foreach(qemu_find_opts("device"),
4619 device_init_func
, NULL
, NULL
)) {
4623 cpu_synchronize_all_post_init();
4625 rom_reset_order_override();
4628 * Create frontends for -drive if=scsi leftovers.
4629 * Normally, frontends for -drive get created by machine
4630 * initialization for onboard SCSI HBAs. However, we create a few
4631 * more ever since SCSI qdevification, but this is pretty much an
4632 * implementation accident, and deprecated.
4634 scsi_legacy_handle_cmdline();
4636 /* Did we create any drives that we failed to create a device for? */
4637 drive_check_orphaned();
4639 /* Don't warn about the default network setup that you get if
4640 * no command line -net or -netdev options are specified. There
4641 * are two cases that we would otherwise complain about:
4642 * (1) board doesn't support a NIC but the implicit "-net nic"
4644 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4645 * sets up a nic that isn't connected to anything.
4648 net_check_clients();
4653 qemu_boot_set(boot_once
, &error_fatal
);
4654 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4657 /* init local displays */
4658 ds
= init_displaystate();
4659 qemu_display_init(ds
, &dpy
);
4661 /* must be after terminal init, SDL library changes signal handlers */
4662 os_setup_signal_handling();
4664 /* init remote displays */
4666 qemu_opts_foreach(qemu_find_opts("vnc"),
4667 vnc_init_func
, NULL
, NULL
);
4671 qemu_spice_display_init();
4674 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4678 qdev_machine_creation_done();
4680 /* TODO: once all bus devices are qdevified, this should be done
4681 * when bus is created by qdev.c */
4682 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4683 qemu_run_machine_init_done_notifiers();
4685 if (rom_check_and_register_reset() != 0) {
4686 error_report("rom check and register reset failed");
4692 /* This checkpoint is required by replay to separate prior clock
4693 reading from the other reads, because timer polling functions query
4694 clock values from the log. */
4695 replay_checkpoint(CHECKPOINT_RESET
);
4696 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4697 register_global_state();
4698 if (replay_mode
!= REPLAY_MODE_NONE
) {
4699 replay_vmstate_init();
4700 } else if (loadvm
) {
4701 Error
*local_err
= NULL
;
4702 if (load_snapshot(loadvm
, &local_err
) < 0) {
4703 error_report_err(local_err
);
4708 qdev_prop_check_globals();
4709 if (vmstate_dump_file
) {
4711 dump_vmstate_json_to_file(vmstate_dump_file
);
4716 Error
*local_err
= NULL
;
4717 qemu_start_incoming_migration(incoming
, &local_err
);
4719 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4722 } else if (autostart
) {
4729 replay_disable_events();
4731 /* The ordering of the following is delicate. Stop vcpus to prevent new
4732 * I/O requests being queued by the guest. Then stop IOThreads (this
4733 * includes a drain operation and completes all request processing). At
4734 * this point emulated devices are still associated with their IOThreads
4735 * (if any) but no longer have any work to do. Only then can we close
4736 * block devices safely because we know there is no more I/O coming.
4739 iothread_stop_all();
4744 /* vhost-user must be cleaned up before chardevs. */
4750 user_creatable_cleanup();
4751 migration_object_finalize();
4752 /* TODO: unref root container, check all devices are ok */