4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
37 int qemu_main(int argc
, char **argv
, char **envp
);
38 int main(int argc
, char **argv
)
40 return qemu_main(argc
, argv
, NULL
);
43 #define main qemu_main
45 #endif /* CONFIG_SDL */
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
103 #include "fsdev/qemu-fsdev.h"
105 #include "sysemu/qtest.h"
107 #include "disas/disas.h"
110 #include "slirp/libslirp.h"
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.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
136 static const char *data_dir
[16];
137 static int data_dir_idx
;
138 const char *bios_name
= NULL
;
139 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
141 const char* keyboard_layout
= NULL
;
143 const char *mem_path
= NULL
;
144 int mem_prealloc
= 0; /* force preallocation of physical target memory */
145 bool enable_mlock
= false;
146 bool enable_cpu_pm
= false;
148 NICInfo nd_table
[MAX_NICS
];
154 } rtc_base_type
= RTC_BASE_UTC
;
155 static time_t rtc_ref_start_datetime
;
156 static int rtc_realtime_clock_offset
; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset
= -1; /* valid & used only with
159 QEMUClockType rtc_clock
;
160 int vga_interface_type
= VGA_NONE
;
161 static DisplayOptions dpy
;
163 static int num_serial_hds
;
164 static Chardev
**serial_hds
;
165 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
166 Chardev
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
167 int win2k_install_hack
= 0;
170 unsigned int max_cpus
;
173 int acpi_enabled
= 1;
176 static int no_reboot
;
179 int graphic_rotate
= 0;
180 const char *watchdog
;
181 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
184 const char *qemu_name
;
187 unsigned int nb_prom_envs
= 0;
188 const char *prom_envs
[MAX_PROM_ENVS
];
191 uint8_t *boot_splash_filedata
;
192 size_t boot_splash_filedata_size
;
193 uint8_t qemu_extra_params_fw
[2];
195 int icount_align_option
;
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
203 static NotifierList exit_notifiers
=
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
206 static NotifierList machine_init_done_notifiers
=
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
211 enum xen_mode xen_mode
= XEN_EMULATE
;
212 bool xen_domid_restrict
;
214 static int has_defaults
= 1;
215 static int default_serial
= 1;
216 static int default_parallel
= 1;
217 static int default_virtcon
= 1;
218 static int default_monitor
= 1;
219 static int default_floppy
= 1;
220 static int default_cdrom
= 1;
221 static int default_sdcard
= 1;
222 static int default_vga
= 1;
223 static int default_net
= 1;
229 { .driver
= "isa-serial", .flag
= &default_serial
},
230 { .driver
= "isa-parallel", .flag
= &default_parallel
},
231 { .driver
= "isa-fdc", .flag
= &default_floppy
},
232 { .driver
= "floppy", .flag
= &default_floppy
},
233 { .driver
= "ide-cd", .flag
= &default_cdrom
},
234 { .driver
= "ide-hd", .flag
= &default_cdrom
},
235 { .driver
= "ide-drive", .flag
= &default_cdrom
},
236 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
237 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
238 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
239 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
240 { .driver
= "VGA", .flag
= &default_vga
},
241 { .driver
= "isa-vga", .flag
= &default_vga
},
242 { .driver
= "cirrus-vga", .flag
= &default_vga
},
243 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
244 { .driver
= "vmware-svga", .flag
= &default_vga
},
245 { .driver
= "qxl-vga", .flag
= &default_vga
},
246 { .driver
= "virtio-vga", .flag
= &default_vga
},
249 static QemuOptsList qemu_rtc_opts
= {
251 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
256 .type
= QEMU_OPT_STRING
,
259 .type
= QEMU_OPT_STRING
,
262 .type
= QEMU_OPT_STRING
,
264 { /* end of list */ }
268 static QemuOptsList qemu_option_rom_opts
= {
269 .name
= "option-rom",
270 .implied_opt_name
= "romfile",
271 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
275 .type
= QEMU_OPT_NUMBER
,
278 .type
= QEMU_OPT_STRING
,
280 { /* end of list */ }
284 static QemuOptsList qemu_machine_opts
= {
286 .implied_opt_name
= "type",
288 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
299 static QemuOptsList qemu_accel_opts
= {
301 .implied_opt_name
= "accel",
302 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
307 .type
= QEMU_OPT_STRING
,
308 .help
= "Select the type of accelerator",
312 .type
= QEMU_OPT_STRING
,
313 .help
= "Enable/disable multi-threaded TCG",
315 { /* end of list */ }
319 static QemuOptsList qemu_boot_opts
= {
321 .implied_opt_name
= "order",
323 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
327 .type
= QEMU_OPT_STRING
,
330 .type
= QEMU_OPT_STRING
,
333 .type
= QEMU_OPT_BOOL
,
336 .type
= QEMU_OPT_STRING
,
338 .name
= "splash-time",
339 .type
= QEMU_OPT_STRING
,
341 .name
= "reboot-timeout",
342 .type
= QEMU_OPT_STRING
,
345 .type
= QEMU_OPT_BOOL
,
351 static QemuOptsList qemu_add_fd_opts
= {
353 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
357 .type
= QEMU_OPT_NUMBER
,
358 .help
= "file descriptor of which a duplicate is added to fd set",
361 .type
= QEMU_OPT_NUMBER
,
362 .help
= "ID of the fd set to add fd to",
365 .type
= QEMU_OPT_STRING
,
366 .help
= "free-form string used to describe fd",
368 { /* end of list */ }
372 static QemuOptsList qemu_object_opts
= {
374 .implied_opt_name
= "qom-type",
375 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
381 static QemuOptsList qemu_tpmdev_opts
= {
383 .implied_opt_name
= "type",
384 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
391 static QemuOptsList qemu_realtime_opts
= {
393 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
397 .type
= QEMU_OPT_BOOL
,
399 { /* end of list */ }
403 static QemuOptsList qemu_overcommit_opts
= {
404 .name
= "overcommit",
405 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
409 .type
= QEMU_OPT_BOOL
,
413 .type
= QEMU_OPT_BOOL
,
415 { /* end of list */ }
419 static QemuOptsList qemu_msg_opts
= {
421 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
425 .type
= QEMU_OPT_BOOL
,
427 { /* end of list */ }
431 static QemuOptsList qemu_name_opts
= {
433 .implied_opt_name
= "guest",
435 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
439 .type
= QEMU_OPT_STRING
,
440 .help
= "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
445 .type
= QEMU_OPT_STRING
,
446 .help
= "Sets the name of the QEMU process, as shown in top etc",
448 .name
= "debug-threads",
449 .type
= QEMU_OPT_BOOL
,
450 .help
= "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
454 { /* End of list */ }
458 static QemuOptsList qemu_mem_opts
= {
460 .implied_opt_name
= "size",
461 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
466 .type
= QEMU_OPT_SIZE
,
470 .type
= QEMU_OPT_NUMBER
,
474 .type
= QEMU_OPT_SIZE
,
476 { /* end of list */ }
480 static QemuOptsList qemu_icount_opts
= {
482 .implied_opt_name
= "shift",
484 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
488 .type
= QEMU_OPT_STRING
,
491 .type
= QEMU_OPT_BOOL
,
494 .type
= QEMU_OPT_BOOL
,
497 .type
= QEMU_OPT_STRING
,
500 .type
= QEMU_OPT_STRING
,
502 .name
= "rrsnapshot",
503 .type
= QEMU_OPT_STRING
,
505 { /* end of list */ }
509 static QemuOptsList qemu_semihosting_config_opts
= {
510 .name
= "semihosting-config",
511 .implied_opt_name
= "enable",
512 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
516 .type
= QEMU_OPT_BOOL
,
519 .type
= QEMU_OPT_STRING
,
522 .type
= QEMU_OPT_STRING
,
524 { /* end of list */ }
528 static QemuOptsList qemu_fw_cfg_opts
= {
530 .implied_opt_name
= "name",
531 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
535 .type
= QEMU_OPT_STRING
,
536 .help
= "Sets the fw_cfg name of the blob to be inserted",
539 .type
= QEMU_OPT_STRING
,
540 .help
= "Sets the name of the file from which\n"
541 "the fw_cfg blob will be loaded",
544 .type
= QEMU_OPT_STRING
,
545 .help
= "Sets content of the blob to be inserted from a string",
547 { /* end of list */ }
552 * Get machine options
554 * Returns: machine options (never null).
556 QemuOpts
*qemu_get_machine_opts(void)
558 return qemu_find_opts_singleton("machine");
561 const char *qemu_get_vm_name(void)
566 static void res_free(void)
568 g_free(boot_splash_filedata
);
569 boot_splash_filedata
= NULL
;
572 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
574 const char *driver
= qemu_opt_get(opts
, "driver");
579 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
580 if (strcmp(default_list
[i
].driver
, driver
) != 0)
582 *(default_list
[i
].flag
) = 0;
587 /***********************************************************/
590 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested
= RUN_STATE__MAX
;
594 static QemuMutex vmstop_lock
;
599 } RunStateTransition
;
601 static const RunStateTransition runstate_transitions_def
[] = {
603 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
608 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
610 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
611 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
614 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
615 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
616 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
617 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
618 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
619 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
620 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
621 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
622 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
624 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
625 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
627 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
628 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
629 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
631 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
632 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
633 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
635 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
636 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
637 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
638 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
639 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
641 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
642 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
643 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
645 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
646 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
647 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
649 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
650 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
651 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
652 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
653 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
655 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
656 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
658 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
660 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
661 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
662 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
663 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
664 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
665 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
666 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
667 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
668 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
669 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
670 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
672 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
674 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
675 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
676 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
678 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
679 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
680 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
681 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
682 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
683 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
685 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
686 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
687 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
688 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
690 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
691 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
692 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
694 { RUN_STATE__MAX
, RUN_STATE__MAX
},
697 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
699 bool runstate_check(RunState state
)
701 return current_run_state
== state
;
704 bool runstate_store(char *str
, size_t size
)
706 const char *state
= RunState_str(current_run_state
);
707 size_t len
= strlen(state
) + 1;
712 memcpy(str
, state
, len
);
716 static void runstate_init(void)
718 const RunStateTransition
*p
;
720 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
721 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
722 runstate_valid_transitions
[p
->from
][p
->to
] = true;
725 qemu_mutex_init(&vmstop_lock
);
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state
)
731 assert(new_state
< RUN_STATE__MAX
);
733 if (current_run_state
== new_state
) {
737 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state
),
740 RunState_str(new_state
));
743 trace_runstate_set(new_state
);
744 current_run_state
= new_state
;
747 int runstate_is_running(void)
749 return runstate_check(RUN_STATE_RUNNING
);
752 bool runstate_needs_reset(void)
754 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
755 runstate_check(RUN_STATE_SHUTDOWN
);
758 StatusInfo
*qmp_query_status(Error
**errp
)
760 StatusInfo
*info
= g_malloc0(sizeof(*info
));
762 info
->running
= runstate_is_running();
763 info
->singlestep
= singlestep
;
764 info
->status
= current_run_state
;
769 bool qemu_vmstop_requested(RunState
*r
)
771 qemu_mutex_lock(&vmstop_lock
);
772 *r
= vmstop_requested
;
773 vmstop_requested
= RUN_STATE__MAX
;
774 qemu_mutex_unlock(&vmstop_lock
);
775 return *r
< RUN_STATE__MAX
;
778 void qemu_system_vmstop_request_prepare(void)
780 qemu_mutex_lock(&vmstop_lock
);
783 void qemu_system_vmstop_request(RunState state
)
785 vmstop_requested
= state
;
786 qemu_mutex_unlock(&vmstop_lock
);
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock
)
794 time_t value
= qemu_clock_get_ms(clock
) / 1000;
796 case QEMU_CLOCK_REALTIME
:
797 value
-= rtc_realtime_clock_offset
;
799 case QEMU_CLOCK_VIRTUAL
:
800 value
+= rtc_ref_start_datetime
;
802 case QEMU_CLOCK_HOST
:
803 if (rtc_base_type
== RTC_BASE_DATETIME
) {
804 value
-= rtc_host_datetime_offset
;
813 void qemu_get_timedate(struct tm
*tm
, int offset
)
815 time_t ti
= qemu_ref_timedate(rtc_clock
);
819 switch (rtc_base_type
) {
820 case RTC_BASE_DATETIME
:
824 case RTC_BASE_LOCALTIME
:
825 localtime_r(&ti
, tm
);
830 int qemu_timedate_diff(struct tm
*tm
)
834 switch (rtc_base_type
) {
835 case RTC_BASE_DATETIME
:
837 seconds
= mktimegm(tm
);
839 case RTC_BASE_LOCALTIME
:
842 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
843 seconds
= mktime(&tmp
);
850 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
853 static void configure_rtc_base_datetime(const char *startdate
)
855 time_t rtc_start_datetime
;
858 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
859 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
861 } else if (sscanf(startdate
, "%d-%d-%d",
862 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
871 rtc_start_datetime
= mktimegm(&tm
);
872 if (rtc_start_datetime
== -1) {
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
879 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
880 rtc_ref_start_datetime
= rtc_start_datetime
;
883 static void configure_rtc(QemuOpts
*opts
)
888 rtc_clock
= QEMU_CLOCK_HOST
;
889 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
890 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
892 value
= qemu_opt_get(opts
, "base");
894 if (!strcmp(value
, "utc")) {
895 rtc_base_type
= RTC_BASE_UTC
;
896 } else if (!strcmp(value
, "localtime")) {
897 Error
*blocker
= NULL
;
898 rtc_base_type
= RTC_BASE_LOCALTIME
;
899 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker
);
903 rtc_base_type
= RTC_BASE_DATETIME
;
904 configure_rtc_base_datetime(value
);
907 value
= qemu_opt_get(opts
, "clock");
909 if (!strcmp(value
, "host")) {
910 rtc_clock
= QEMU_CLOCK_HOST
;
911 } else if (!strcmp(value
, "rt")) {
912 rtc_clock
= QEMU_CLOCK_REALTIME
;
913 } else if (!strcmp(value
, "vm")) {
914 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
916 error_report("invalid option value '%s'", value
);
920 value
= qemu_opt_get(opts
, "driftfix");
922 if (!strcmp(value
, "slew")) {
923 static GlobalProperty slew_lost_ticks
= {
924 .driver
= "mc146818rtc",
925 .property
= "lost_tick_policy",
929 qdev_prop_register_global(&slew_lost_ticks
);
930 } else if (!strcmp(value
, "none")) {
931 /* discard is default */
933 error_report("invalid option value '%s'", value
);
939 /***********************************************************/
940 /* Bluetooth support */
943 static struct HCIInfo
*hci_table
[MAX_NICS
];
945 struct HCIInfo
*qemu_next_hci(void)
947 if (cur_hci
== nb_hcis
)
950 return hci_table
[cur_hci
++];
953 static int bt_hci_parse(const char *str
)
958 if (nb_hcis
>= MAX_NICS
) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
972 bdaddr
.b
[5] = 0x56 + nb_hcis
;
973 hci
->bdaddr_set(hci
, bdaddr
.b
);
975 hci_table
[nb_hcis
++] = hci
;
980 static void bt_vhci_add(int vlan_id
)
982 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
985 warn_report("adding a VHCI to an empty scatternet %i",
988 bt_vhci_init(bt_new_hci(vlan
));
991 static struct bt_device_s
*bt_device_add(const char *opt
)
993 struct bt_scatternet_s
*vlan
;
995 char *endp
= strstr(opt
, ",vlan=");
996 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
999 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
1002 vlan_id
= strtol(endp
+ 6, &endp
, 0);
1004 error_report("unrecognised bluetooth vlan Id");
1009 vlan
= qemu_find_bt_vlan(vlan_id
);
1012 warn_report("adding a slave device to an empty scatternet %i",
1015 if (!strcmp(devname
, "keyboard"))
1016 return bt_keyboard_init(vlan
);
1018 error_report("unsupported bluetooth device '%s'", devname
);
1022 static int bt_parse(const char *opt
)
1024 const char *endp
, *p
;
1027 if (strstart(opt
, "hci", &endp
)) {
1028 if (!*endp
|| *endp
== ',') {
1030 if (!strstart(endp
, ",vlan=", 0))
1033 return bt_hci_parse(opt
);
1035 } else if (strstart(opt
, "vhci", &endp
)) {
1036 if (!*endp
|| *endp
== ',') {
1038 if (strstart(endp
, ",vlan=", &p
)) {
1039 vlan
= strtol(p
, (char **) &endp
, 0);
1041 error_report("bad scatternet '%s'", p
);
1045 error_report("bad parameter '%s'", endp
+ 1);
1054 } else if (strstart(opt
, "device:", &endp
))
1055 return !bt_device_add(endp
);
1057 error_report("bad bluetooth parameter '%s'", opt
);
1061 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1063 const char *proc_name
;
1065 if (qemu_opt_get(opts
, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1068 qemu_name
= qemu_opt_get(opts
, "guest");
1070 proc_name
= qemu_opt_get(opts
, "process");
1072 os_set_proc_name(proc_name
);
1078 bool defaults_enabled(void)
1080 return has_defaults
;
1084 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1086 int fd
, dupfd
, flags
;
1088 const char *fd_opaque
= NULL
;
1091 fd
= qemu_opt_get_number(opts
, "fd", -1);
1092 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1093 fd_opaque
= qemu_opt_get(opts
, "opaque");
1096 error_setg(errp
, "fd option is required and must be non-negative");
1100 if (fd
<= STDERR_FILENO
) {
1101 error_setg(errp
, "fd cannot be a standard I/O stream");
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1109 flags
= fcntl(fd
, F_GETFD
);
1110 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1111 error_setg(errp
, "fd is not valid or already in use");
1116 error_setg(errp
, "set option is required and must be non-negative");
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1125 qemu_set_cloexec(dupfd
);
1129 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1141 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1145 fd
= qemu_opt_get_number(opts
, "fd", -1);
1152 /***********************************************************/
1153 /* QEMU Block devices */
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1158 #define PFLASH_OPTS ""
1162 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1164 BlockInterfaceType
*block_default_type
= opaque
;
1166 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1169 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1171 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1172 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1177 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1178 int index
, const char *optstr
)
1183 if (!enable
|| drive_get_by_index(type
, index
)) {
1187 opts
= drive_add(type
, index
, NULL
, optstr
);
1189 drive_enable_snapshot(NULL
, opts
, NULL
);
1192 dinfo
= drive_new(opts
, type
, &error_abort
);
1193 dinfo
->is_default
= true;
1197 static QemuOptsList qemu_smp_opts
= {
1199 .implied_opt_name
= "cpus",
1200 .merge_lists
= true,
1201 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1205 .type
= QEMU_OPT_NUMBER
,
1208 .type
= QEMU_OPT_NUMBER
,
1211 .type
= QEMU_OPT_NUMBER
,
1214 .type
= QEMU_OPT_NUMBER
,
1217 .type
= QEMU_OPT_NUMBER
,
1219 { /*End of list */ }
1223 static void smp_parse(QemuOpts
*opts
)
1226 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1227 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1228 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1229 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus
== 0 || sockets
== 0) {
1233 cores
= cores
> 0 ? cores
: 1;
1234 threads
= threads
> 0 ? threads
: 1;
1236 sockets
= sockets
> 0 ? sockets
: 1;
1237 cpus
= cores
* threads
* sockets
;
1239 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1240 sockets
= max_cpus
/ (cores
* threads
);
1242 } else if (cores
== 0) {
1243 threads
= threads
> 0 ? threads
: 1;
1244 cores
= cpus
/ (sockets
* threads
);
1245 cores
= cores
> 0 ? cores
: 1;
1246 } else if (threads
== 0) {
1247 threads
= cpus
/ (cores
* sockets
);
1248 threads
= threads
> 0 ? threads
: 1;
1249 } else if (sockets
* cores
* threads
< cpus
) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) < "
1253 sockets
, cores
, threads
, cpus
);
1257 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1259 if (max_cpus
< cpus
) {
1260 error_report("maxcpus must be equal to or greater than smp");
1264 if (sockets
* cores
* threads
> max_cpus
) {
1265 error_report("cpu topology: "
1266 "sockets (%u) * cores (%u) * threads (%u) > "
1268 sockets
, cores
, threads
, max_cpus
);
1272 if (sockets
* cores
* threads
!= max_cpus
) {
1273 warn_report("Invalid CPU topology deprecated: "
1274 "sockets (%u) * cores (%u) * threads (%u) "
1276 sockets
, cores
, threads
, max_cpus
);
1281 smp_threads
= threads
;
1285 Error
*blocker
= NULL
;
1286 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1287 replay_add_blocker(blocker
);
1291 static void realtime_init(void)
1294 if (os_mlock() < 0) {
1295 error_report("locking memory failed");
1302 static void configure_msg(QemuOpts
*opts
)
1304 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1307 /***********************************************************/
1310 typedef struct SemihostingConfig
{
1312 SemihostingTarget target
;
1315 const char *cmdline
; /* concatenated argv */
1316 } SemihostingConfig
;
1318 static SemihostingConfig semihosting
;
1320 bool semihosting_enabled(void)
1322 return semihosting
.enabled
;
1325 SemihostingTarget
semihosting_get_target(void)
1327 return semihosting
.target
;
1330 const char *semihosting_get_arg(int i
)
1332 if (i
>= semihosting
.argc
) {
1335 return semihosting
.argv
[i
];
1338 int semihosting_get_argc(void)
1340 return semihosting
.argc
;
1343 const char *semihosting_get_cmdline(void)
1345 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1346 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1348 return semihosting
.cmdline
;
1351 static int add_semihosting_arg(void *opaque
,
1352 const char *name
, const char *val
,
1355 SemihostingConfig
*s
= opaque
;
1356 if (strcmp(name
, "arg") == 0) {
1358 /* one extra element as g_strjoinv() expects NULL-terminated array */
1359 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1360 s
->argv
[s
->argc
- 1] = val
;
1361 s
->argv
[s
->argc
] = NULL
;
1366 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1367 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1372 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1374 /* split -append and initialize argv[1..n] */
1375 cmd_token
= strtok(g_strdup(cmd
), " ");
1377 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1378 cmd_token
= strtok(NULL
, " ");
1382 /* Now we still need this for compatibility with XEN. */
1383 bool has_igd_gfx_passthru
;
1384 static void igd_gfx_passthru(void)
1386 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1389 /***********************************************************/
1392 static int usb_device_add(const char *devname
)
1394 USBDevice
*dev
= NULL
;
1396 if (!machine_usb(current_machine
)) {
1400 dev
= usbdevice_create(devname
);
1407 static int usb_parse(const char *cmdline
)
1410 r
= usb_device_add(cmdline
);
1412 error_report("could not add USB device '%s'", cmdline
);
1417 /***********************************************************/
1418 /* machine registration */
1420 MachineState
*current_machine
;
1422 static MachineClass
*find_machine(const char *name
)
1424 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1425 MachineClass
*mc
= NULL
;
1427 for (el
= machines
; el
; el
= el
->next
) {
1428 MachineClass
*temp
= el
->data
;
1430 if (!strcmp(temp
->name
, name
)) {
1435 !strcmp(temp
->alias
, name
)) {
1441 g_slist_free(machines
);
1445 MachineClass
*find_default_machine(void)
1447 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1448 MachineClass
*mc
= NULL
;
1450 for (el
= machines
; el
; el
= el
->next
) {
1451 MachineClass
*temp
= el
->data
;
1453 if (temp
->is_default
) {
1459 g_slist_free(machines
);
1463 MachineInfoList
*qmp_query_machines(Error
**errp
)
1465 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1466 MachineInfoList
*mach_list
= NULL
;
1468 for (el
= machines
; el
; el
= el
->next
) {
1469 MachineClass
*mc
= el
->data
;
1470 MachineInfoList
*entry
;
1473 info
= g_malloc0(sizeof(*info
));
1474 if (mc
->is_default
) {
1475 info
->has_is_default
= true;
1476 info
->is_default
= true;
1480 info
->has_alias
= true;
1481 info
->alias
= g_strdup(mc
->alias
);
1484 info
->name
= g_strdup(mc
->name
);
1485 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1486 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1488 entry
= g_malloc0(sizeof(*entry
));
1489 entry
->value
= info
;
1490 entry
->next
= mach_list
;
1494 g_slist_free(machines
);
1498 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1500 ObjectProperty
*prop
;
1501 ObjectPropertyIterator iter
;
1503 if (!qemu_opt_has_help_opt(opts
)) {
1507 object_property_iter_init(&iter
, OBJECT(machine
));
1508 while ((prop
= object_property_iter_next(&iter
))) {
1513 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1514 prop
->name
, prop
->type
);
1515 if (prop
->description
) {
1516 error_printf(" (%s)\n", prop
->description
);
1525 /***********************************************************/
1526 /* main execution loop */
1528 struct vm_change_state_entry
{
1529 VMChangeStateHandler
*cb
;
1531 QLIST_ENTRY (vm_change_state_entry
) entries
;
1534 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1536 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1539 VMChangeStateEntry
*e
;
1541 e
= g_malloc0(sizeof (*e
));
1545 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1549 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1551 QLIST_REMOVE (e
, entries
);
1555 void vm_state_notify(int running
, RunState state
)
1557 VMChangeStateEntry
*e
, *next
;
1559 trace_vm_state_notify(running
, state
);
1561 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1562 e
->cb(e
->opaque
, running
, state
);
1566 static ShutdownCause reset_requested
;
1567 static ShutdownCause shutdown_requested
;
1568 static int shutdown_signal
;
1569 static pid_t shutdown_pid
;
1570 static int powerdown_requested
;
1571 static int debug_requested
;
1572 static int suspend_requested
;
1573 static bool preconfig_exit_requested
= true;
1574 static WakeupReason wakeup_reason
;
1575 static NotifierList powerdown_notifiers
=
1576 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1577 static NotifierList suspend_notifiers
=
1578 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1579 static NotifierList wakeup_notifiers
=
1580 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1581 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1583 ShutdownCause
qemu_shutdown_requested_get(void)
1585 return shutdown_requested
;
1588 ShutdownCause
qemu_reset_requested_get(void)
1590 return reset_requested
;
1593 static int qemu_shutdown_requested(void)
1595 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1598 static void qemu_kill_report(void)
1600 if (!qtest_driver() && shutdown_signal
) {
1601 if (shutdown_pid
== 0) {
1602 /* This happens for eg ^C at the terminal, so it's worth
1603 * avoiding printing an odd message in that case.
1605 error_report("terminating on signal %d", shutdown_signal
);
1607 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1609 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1610 shutdown_signal
, shutdown_pid
,
1611 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1612 g_free(shutdown_cmd
);
1614 shutdown_signal
= 0;
1618 static ShutdownCause
qemu_reset_requested(void)
1620 ShutdownCause r
= reset_requested
;
1622 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1623 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1626 return SHUTDOWN_CAUSE_NONE
;
1629 static int qemu_suspend_requested(void)
1631 int r
= suspend_requested
;
1632 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1633 suspend_requested
= 0;
1639 static WakeupReason
qemu_wakeup_requested(void)
1641 return wakeup_reason
;
1644 static int qemu_powerdown_requested(void)
1646 int r
= powerdown_requested
;
1647 powerdown_requested
= 0;
1651 static int qemu_debug_requested(void)
1653 int r
= debug_requested
;
1654 debug_requested
= 0;
1658 void qemu_exit_preconfig_request(void)
1660 preconfig_exit_requested
= true;
1664 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1666 void qemu_system_reset(ShutdownCause reason
)
1670 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1672 cpu_synchronize_all_states();
1674 if (mc
&& mc
->reset
) {
1677 qemu_devices_reset();
1679 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1680 qapi_event_send_reset(shutdown_caused_by_guest(reason
));
1682 cpu_synchronize_all_post_reset();
1685 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1687 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1690 current_cpu
->crash_occurred
= true;
1692 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1694 vm_stop(RUN_STATE_GUEST_PANICKED
);
1696 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1698 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1702 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1703 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1704 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1705 info
->u
.hyper_v
.arg1
,
1706 info
->u
.hyper_v
.arg2
,
1707 info
->u
.hyper_v
.arg3
,
1708 info
->u
.hyper_v
.arg4
,
1709 info
->u
.hyper_v
.arg5
);
1710 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1711 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1712 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1714 S390CrashReason_str(info
->u
.s390
.reason
),
1715 info
->u
.s390
.psw_mask
,
1716 info
->u
.s390
.psw_addr
);
1718 qapi_free_GuestPanicInformation(info
);
1722 void qemu_system_reset_request(ShutdownCause reason
)
1724 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1725 shutdown_requested
= reason
;
1727 reset_requested
= reason
;
1730 qemu_notify_event();
1733 static void qemu_system_suspend(void)
1736 notifier_list_notify(&suspend_notifiers
, NULL
);
1737 runstate_set(RUN_STATE_SUSPENDED
);
1738 qapi_event_send_suspend();
1741 void qemu_system_suspend_request(void)
1743 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1746 suspend_requested
= 1;
1748 qemu_notify_event();
1751 void qemu_register_suspend_notifier(Notifier
*notifier
)
1753 notifier_list_add(&suspend_notifiers
, notifier
);
1756 void qemu_system_wakeup_request(WakeupReason reason
)
1758 trace_system_wakeup_request(reason
);
1760 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1763 if (!(wakeup_reason_mask
& (1 << reason
))) {
1766 runstate_set(RUN_STATE_RUNNING
);
1767 wakeup_reason
= reason
;
1768 qemu_notify_event();
1771 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1774 wakeup_reason_mask
|= (1 << reason
);
1776 wakeup_reason_mask
&= ~(1 << reason
);
1780 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1782 notifier_list_add(&wakeup_notifiers
, notifier
);
1785 void qemu_system_killed(int signal
, pid_t pid
)
1787 shutdown_signal
= signal
;
1791 /* Cannot call qemu_system_shutdown_request directly because
1792 * we are in a signal handler.
1794 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1795 qemu_notify_event();
1798 void qemu_system_shutdown_request(ShutdownCause reason
)
1800 trace_qemu_system_shutdown_request(reason
);
1801 replay_shutdown_request(reason
);
1802 shutdown_requested
= reason
;
1803 qemu_notify_event();
1806 static void qemu_system_powerdown(void)
1808 qapi_event_send_powerdown();
1809 notifier_list_notify(&powerdown_notifiers
, NULL
);
1812 void qemu_system_powerdown_request(void)
1814 trace_qemu_system_powerdown_request();
1815 powerdown_requested
= 1;
1816 qemu_notify_event();
1819 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1821 notifier_list_add(&powerdown_notifiers
, notifier
);
1824 void qemu_system_debug_request(void)
1826 debug_requested
= 1;
1827 qemu_notify_event();
1830 static bool main_loop_should_exit(void)
1833 ShutdownCause request
;
1835 if (preconfig_exit_requested
) {
1836 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1837 runstate_set(RUN_STATE_PRELAUNCH
);
1839 preconfig_exit_requested
= false;
1842 if (qemu_debug_requested()) {
1843 vm_stop(RUN_STATE_DEBUG
);
1845 if (qemu_suspend_requested()) {
1846 qemu_system_suspend();
1848 request
= qemu_shutdown_requested();
1851 qapi_event_send_shutdown(shutdown_caused_by_guest(request
));
1853 vm_stop(RUN_STATE_SHUTDOWN
);
1858 request
= qemu_reset_requested();
1861 qemu_system_reset(request
);
1863 if (!runstate_check(RUN_STATE_RUNNING
) &&
1864 !runstate_check(RUN_STATE_INMIGRATE
)) {
1865 runstate_set(RUN_STATE_PRELAUNCH
);
1868 if (qemu_wakeup_requested()) {
1870 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1871 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1872 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1874 qapi_event_send_wakeup();
1876 if (qemu_powerdown_requested()) {
1877 qemu_system_powerdown();
1879 if (qemu_vmstop_requested(&r
)) {
1885 static void main_loop(void)
1887 #ifdef CONFIG_PROFILER
1890 while (!main_loop_should_exit()) {
1891 #ifdef CONFIG_PROFILER
1892 ti
= profile_getclock();
1894 main_loop_wait(false);
1895 #ifdef CONFIG_PROFILER
1896 dev_time
+= profile_getclock() - ti
;
1901 static void version(void)
1903 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1904 QEMU_COPYRIGHT
"\n");
1907 static void help(int exitcode
)
1910 printf("usage: %s [options] [disk_image]\n\n"
1911 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1912 error_get_progname());
1914 #define QEMU_OPTIONS_GENERATE_HELP
1915 #include "qemu-options-wrapper.h"
1917 printf("\nDuring emulation, the following keys are useful:\n"
1918 "ctrl-alt-f toggle full screen\n"
1919 "ctrl-alt-n switch to virtual console 'n'\n"
1920 "ctrl-alt toggle mouse and keyboard grab\n"
1922 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1924 QEMU_HELP_BOTTOM
"\n");
1929 #define HAS_ARG 0x0001
1931 typedef struct QEMUOption
{
1938 static const QEMUOption qemu_options
[] = {
1939 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1940 #define QEMU_OPTIONS_GENERATE_OPTIONS
1941 #include "qemu-options-wrapper.h"
1945 typedef struct VGAInterfaceInfo
{
1946 const char *opt_name
; /* option name */
1947 const char *name
; /* human-readable name */
1948 /* Class names indicating that support is available.
1949 * If no class is specified, the interface is always available */
1950 const char *class_names
[2];
1953 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1959 .name
= "standard VGA",
1960 .class_names
= { "VGA", "isa-vga" },
1963 .opt_name
= "cirrus",
1964 .name
= "Cirrus VGA",
1965 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1968 .opt_name
= "vmware",
1969 .name
= "VMWare SVGA",
1970 .class_names
= { "vmware-svga" },
1973 .opt_name
= "virtio",
1974 .name
= "Virtio VGA",
1975 .class_names
= { "virtio-vga" },
1980 .class_names
= { "qxl-vga" },
1984 .name
= "TCX framebuffer",
1985 .class_names
= { "SUNW,tcx" },
1989 .name
= "CG3 framebuffer",
1990 .class_names
= { "cgthree" },
1993 .opt_name
= "xenfb",
1997 static bool vga_interface_available(VGAInterfaceType t
)
1999 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2001 assert(t
< VGA_TYPE_MAX
);
2002 return !ti
->class_names
[0] ||
2003 object_class_by_name(ti
->class_names
[0]) ||
2004 object_class_by_name(ti
->class_names
[1]);
2007 static void select_vgahw(const char *p
)
2012 assert(vga_interface_type
== VGA_NONE
);
2013 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2014 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2015 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2016 if (!vga_interface_available(t
)) {
2017 error_report("%s not available", ti
->name
);
2020 vga_interface_type
= t
;
2024 if (t
== VGA_TYPE_MAX
) {
2026 error_report("unknown vga type: %s", p
);
2030 const char *nextopt
;
2032 if (strstart(opts
, ",retrace=", &nextopt
)) {
2034 if (strstart(opts
, "dumb", &nextopt
))
2035 vga_retrace_method
= VGA_RETRACE_DUMB
;
2036 else if (strstart(opts
, "precise", &nextopt
))
2037 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2038 else goto invalid_vga
;
2039 } else goto invalid_vga
;
2044 static void parse_display_qapi(const char *optarg
)
2046 DisplayOptions
*opts
;
2049 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
2051 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2052 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2054 qapi_free_DisplayOptions(opts
);
2058 static void parse_display(const char *p
)
2062 if (strstart(p
, "sdl", &opts
)) {
2064 * sdl DisplayType needs hand-crafted parser instead of
2065 * parse_display_qapi() due to some options not in
2066 * DisplayOptions, specifically:
2068 * Already deprecated.
2069 * - ctrl_grab + alt_grab
2070 * Not clear yet what happens to them long-term. Should
2071 * replaced by something better or deprecated and dropped.
2073 dpy
.type
= DISPLAY_TYPE_SDL
;
2075 const char *nextopt
;
2077 if (strstart(opts
, ",frame=", &nextopt
)) {
2078 g_printerr("The frame= sdl option is deprecated, and will be\n"
2079 "removed in a future release.\n");
2081 if (strstart(opts
, "on", &nextopt
)) {
2083 } else if (strstart(opts
, "off", &nextopt
)) {
2086 goto invalid_sdl_args
;
2088 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2090 if (strstart(opts
, "on", &nextopt
)) {
2092 } else if (strstart(opts
, "off", &nextopt
)) {
2095 goto invalid_sdl_args
;
2097 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2099 if (strstart(opts
, "on", &nextopt
)) {
2101 } else if (strstart(opts
, "off", &nextopt
)) {
2104 goto invalid_sdl_args
;
2106 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2108 dpy
.has_window_close
= true;
2109 if (strstart(opts
, "on", &nextopt
)) {
2110 dpy
.window_close
= true;
2111 } else if (strstart(opts
, "off", &nextopt
)) {
2112 dpy
.window_close
= false;
2114 goto invalid_sdl_args
;
2116 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2119 if (strstart(opts
, "on", &nextopt
)) {
2120 dpy
.gl
= DISPLAYGL_MODE_ON
;
2121 } else if (strstart(opts
, "core", &nextopt
)) {
2122 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2123 } else if (strstart(opts
, "es", &nextopt
)) {
2124 dpy
.gl
= DISPLAYGL_MODE_ES
;
2125 } else if (strstart(opts
, "off", &nextopt
)) {
2126 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2128 goto invalid_sdl_args
;
2132 error_report("invalid SDL option string");
2137 } else if (strstart(p
, "vnc", &opts
)) {
2139 * vnc isn't a (local) DisplayType but a protocol for remote
2143 vnc_parse(opts
+ 1, &error_fatal
);
2145 error_report("VNC requires a display argument vnc=<display>");
2149 parse_display_qapi(p
);
2153 char *qemu_find_file(int type
, const char *name
)
2159 /* Try the name as a straight path first */
2160 if (access(name
, R_OK
) == 0) {
2161 trace_load_file(name
, name
);
2162 return g_strdup(name
);
2166 case QEMU_FILE_TYPE_BIOS
:
2169 case QEMU_FILE_TYPE_KEYMAP
:
2170 subdir
= "keymaps/";
2176 for (i
= 0; i
< data_dir_idx
; i
++) {
2177 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2178 if (access(buf
, R_OK
) == 0) {
2179 trace_load_file(name
, buf
);
2187 static void qemu_add_data_dir(const char *path
)
2194 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2197 for (i
= 0; i
< data_dir_idx
; i
++) {
2198 if (strcmp(data_dir
[i
], path
) == 0) {
2199 return; /* duplicate */
2202 data_dir
[data_dir_idx
++] = g_strdup(path
);
2205 static inline bool nonempty_str(const char *str
)
2210 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2214 const char *name
, *file
, *str
;
2215 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2217 if (fw_cfg
== NULL
) {
2218 error_setg(errp
, "fw_cfg device not available");
2221 name
= qemu_opt_get(opts
, "name");
2222 file
= qemu_opt_get(opts
, "file");
2223 str
= qemu_opt_get(opts
, "string");
2225 /* we need name and either a file or the content string */
2226 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2227 error_setg(errp
, "invalid argument(s)");
2230 if (nonempty_str(file
) && nonempty_str(str
)) {
2231 error_setg(errp
, "file and string are mutually exclusive");
2234 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2235 error_setg(errp
, "name too long (max. %d char)",
2236 FW_CFG_MAX_FILE_PATH
- 1);
2239 if (strncmp(name
, "opt/", 4) != 0) {
2240 warn_report("externally provided fw_cfg item names "
2241 "should be prefixed with \"opt/\"");
2243 if (nonempty_str(str
)) {
2244 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2245 buf
= g_memdup(str
, size
);
2247 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2248 error_setg(errp
, "can't load %s", file
);
2252 /* For legacy, keep user files in a specific global order. */
2253 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2254 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2255 fw_cfg_reset_order_override(fw_cfg
);
2259 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2261 return qdev_device_help(opts
);
2264 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2268 dev
= qdev_device_add(opts
, errp
);
2272 object_unref(OBJECT(dev
));
2276 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2278 Error
*local_err
= NULL
;
2280 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2282 error_propagate(errp
, local_err
);
2290 #ifdef CONFIG_VIRTFS
2291 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2293 return qemu_fsdev_add(opts
, errp
);
2297 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2300 const char *chardev
;
2304 mode
= qemu_opt_get(opts
, "mode");
2308 if (strcmp(mode
, "readline") == 0) {
2309 flags
= MONITOR_USE_READLINE
;
2310 } else if (strcmp(mode
, "control") == 0) {
2311 flags
= MONITOR_USE_CONTROL
;
2313 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2317 if (qemu_opt_get_bool(opts
, "pretty", 0))
2318 flags
|= MONITOR_USE_PRETTY
;
2320 /* OOB is off by default */
2321 if (qemu_opt_get_bool(opts
, "x-oob", 0)) {
2322 flags
|= MONITOR_USE_OOB
;
2325 chardev
= qemu_opt_get(opts
, "chardev");
2326 chr
= qemu_chr_find(chardev
);
2328 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2332 monitor_init(chr
, flags
);
2336 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2338 static int monitor_device_index
= 0;
2343 if (strstart(optarg
, "chardev:", &p
)) {
2344 snprintf(label
, sizeof(label
), "%s", p
);
2346 snprintf(label
, sizeof(label
), "compat_monitor%d",
2347 monitor_device_index
);
2348 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2350 error_report("parse error: %s", optarg
);
2355 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2356 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2357 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2358 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2359 monitor_device_index
++;
2362 struct device_config
{
2364 DEV_USB
, /* -usbdevice */
2366 DEV_SERIAL
, /* -serial */
2367 DEV_PARALLEL
, /* -parallel */
2368 DEV_VIRTCON
, /* -virtioconsole */
2369 DEV_DEBUGCON
, /* -debugcon */
2370 DEV_GDB
, /* -gdb, -s */
2371 DEV_SCLP
, /* s390 sclp */
2373 const char *cmdline
;
2375 QTAILQ_ENTRY(device_config
) next
;
2378 static QTAILQ_HEAD(, device_config
) device_configs
=
2379 QTAILQ_HEAD_INITIALIZER(device_configs
);
2381 static void add_device_config(int type
, const char *cmdline
)
2383 struct device_config
*conf
;
2385 conf
= g_malloc0(sizeof(*conf
));
2387 conf
->cmdline
= cmdline
;
2388 loc_save(&conf
->loc
);
2389 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2392 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2394 struct device_config
*conf
;
2397 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2398 if (conf
->type
!= type
)
2400 loc_push_restore(&conf
->loc
);
2401 rc
= func(conf
->cmdline
);
2402 loc_pop(&conf
->loc
);
2410 static int serial_parse(const char *devname
)
2412 int index
= num_serial_hds
;
2415 if (strcmp(devname
, "none") == 0)
2417 snprintf(label
, sizeof(label
), "serial%d", index
);
2418 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2420 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
);
2421 if (!serial_hds
[index
]) {
2422 error_report("could not connect serial device"
2423 " to character backend '%s'", devname
);
2430 Chardev
*serial_hd(int i
)
2433 if (i
< num_serial_hds
) {
2434 return serial_hds
[i
];
2439 int serial_max_hds(void)
2441 return num_serial_hds
;
2444 static int parallel_parse(const char *devname
)
2446 static int index
= 0;
2449 if (strcmp(devname
, "none") == 0)
2451 if (index
== MAX_PARALLEL_PORTS
) {
2452 error_report("too many parallel ports");
2455 snprintf(label
, sizeof(label
), "parallel%d", index
);
2456 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
);
2457 if (!parallel_hds
[index
]) {
2458 error_report("could not connect parallel device"
2459 " to character backend '%s'", devname
);
2466 static int virtcon_parse(const char *devname
)
2468 QemuOptsList
*device
= qemu_find_opts("device");
2469 static int index
= 0;
2471 QemuOpts
*bus_opts
, *dev_opts
;
2473 if (strcmp(devname
, "none") == 0)
2475 if (index
== MAX_VIRTIO_CONSOLES
) {
2476 error_report("too many virtio consoles");
2480 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2481 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2483 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2484 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2486 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2487 virtcon_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
);
2488 if (!virtcon_hds
[index
]) {
2489 error_report("could not connect virtio console"
2490 " to character backend '%s'", devname
);
2493 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2499 static int debugcon_parse(const char *devname
)
2503 if (!qemu_chr_new_mux_mon("debugcon", devname
)) {
2504 error_report("invalid character backend '%s'", devname
);
2507 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2509 error_report("already have a debugcon device");
2512 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2513 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2517 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2519 const MachineClass
*mc1
= a
, *mc2
= b
;
2522 if (mc1
->family
== NULL
) {
2523 if (mc2
->family
== NULL
) {
2524 /* Compare standalone machine types against each other; they sort
2525 * in increasing order.
2527 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2528 object_class_get_name(OBJECT_CLASS(mc2
)));
2531 /* Standalone machine types sort after families. */
2535 if (mc2
->family
== NULL
) {
2536 /* Families sort before standalone machine types. */
2540 /* Families sort between each other alphabetically increasingly. */
2541 res
= strcmp(mc1
->family
, mc2
->family
);
2546 /* Within the same family, machine types sort in decreasing order. */
2547 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2548 object_class_get_name(OBJECT_CLASS(mc1
)));
2551 static MachineClass
*machine_parse(const char *name
)
2553 MachineClass
*mc
= NULL
;
2554 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2557 mc
= find_machine(name
);
2560 g_slist_free(machines
);
2563 if (name
&& !is_help_option(name
)) {
2564 error_report("unsupported machine type");
2565 error_printf("Use -machine help to list supported machines\n");
2567 printf("Supported machines are:\n");
2568 machines
= g_slist_sort(machines
, machine_class_cmp
);
2569 for (el
= machines
; el
; el
= el
->next
) {
2570 MachineClass
*mc
= el
->data
;
2572 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2574 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2575 mc
->is_default
? " (default)" : "",
2576 mc
->deprecation_reason
? " (deprecated)" : "");
2580 g_slist_free(machines
);
2581 exit(!name
|| !is_help_option(name
));
2584 void qemu_add_exit_notifier(Notifier
*notify
)
2586 notifier_list_add(&exit_notifiers
, notify
);
2589 void qemu_remove_exit_notifier(Notifier
*notify
)
2591 notifier_remove(notify
);
2594 static void qemu_run_exit_notifiers(void)
2596 notifier_list_notify(&exit_notifiers
, NULL
);
2599 static const char *pid_file
;
2600 static Notifier qemu_unlink_pidfile_notifier
;
2602 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2609 bool machine_init_done
;
2611 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2613 notifier_list_add(&machine_init_done_notifiers
, notify
);
2614 if (machine_init_done
) {
2615 notify
->notify(notify
, NULL
);
2619 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2621 notifier_remove(notify
);
2624 static void qemu_run_machine_init_done_notifiers(void)
2626 machine_init_done
= true;
2627 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2630 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2631 const char **poptarg
, int *poptind
)
2633 const QEMUOption
*popt
;
2634 int optind
= *poptind
;
2635 char *r
= argv
[optind
];
2638 loc_set_cmdline(argv
, optind
, 1);
2640 /* Treat --foo the same as -foo. */
2643 popt
= qemu_options
;
2646 error_report("invalid option");
2649 if (!strcmp(popt
->name
, r
+ 1))
2653 if (popt
->flags
& HAS_ARG
) {
2654 if (optind
>= argc
) {
2655 error_report("requires an argument");
2658 optarg
= argv
[optind
++];
2659 loc_set_cmdline(argv
, optind
- 2, 2);
2670 static MachineClass
*select_machine(void)
2672 MachineClass
*machine_class
= find_default_machine();
2677 loc_push_none(&loc
);
2679 opts
= qemu_get_machine_opts();
2680 qemu_opts_loc_restore(opts
);
2682 optarg
= qemu_opt_get(opts
, "type");
2684 machine_class
= machine_parse(optarg
);
2687 if (!machine_class
) {
2688 error_report("No machine specified, and there is no default");
2689 error_printf("Use -machine help to list supported machines\n");
2694 return machine_class
;
2697 static int machine_set_property(void *opaque
,
2698 const char *name
, const char *value
,
2701 Object
*obj
= OBJECT(opaque
);
2702 Error
*local_err
= NULL
;
2705 if (strcmp(name
, "type") == 0) {
2709 qom_name
= g_strdup(name
);
2710 for (p
= qom_name
; *p
; p
++) {
2716 object_property_parse(obj
, value
, qom_name
, &local_err
);
2720 error_propagate(errp
, local_err
);
2729 * Initial object creation happens before all other
2730 * QEMU data types are created. The majority of objects
2731 * can be created at this point. The rng-egd object
2732 * cannot be created here, as it depends on the chardev
2735 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2739 if (is_help_option(type
)) {
2742 printf("List of user creatable objects:\n");
2743 list
= object_class_get_list_sorted(TYPE_USER_CREATABLE
, false);
2744 for (l
= list
; l
!= NULL
; l
= l
->next
) {
2745 ObjectClass
*oc
= OBJECT_CLASS(l
->data
);
2746 printf("%s\n", object_class_get_name(oc
));
2752 klass
= object_class_by_name(type
);
2753 if (klass
&& qemu_opt_has_help_opt(opts
)) {
2754 ObjectPropertyIterator iter
;
2755 ObjectProperty
*prop
;
2756 GPtrArray
*array
= g_ptr_array_new();
2759 object_class_property_iter_init(&iter
, klass
);
2760 while ((prop
= object_property_iter_next(&iter
))) {
2767 str
= g_string_new(NULL
);
2768 g_string_append_printf(str
, "%s.%s=%s", type
,
2769 prop
->name
, prop
->type
);
2770 if (prop
->description
) {
2771 g_string_append_printf(str
, " - %s", prop
->description
);
2773 g_ptr_array_add(array
, g_string_free(str
, false));
2775 g_ptr_array_sort(array
, (GCompareFunc
)qemu_pstrcmp0
);
2776 for (i
= 0; i
< array
->len
; i
++) {
2777 printf("%s\n", (char *)array
->pdata
[i
]);
2779 g_ptr_array_set_free_func(array
, g_free
);
2780 g_ptr_array_free(array
, true);
2784 if (g_str_equal(type
, "rng-egd") ||
2785 g_str_has_prefix(type
, "pr-manager-")) {
2789 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2790 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2796 * return false for concrete netfilters since
2797 * they depend on netdevs already existing
2799 if (g_str_equal(type
, "filter-buffer") ||
2800 g_str_equal(type
, "filter-dump") ||
2801 g_str_equal(type
, "filter-mirror") ||
2802 g_str_equal(type
, "filter-redirector") ||
2803 g_str_equal(type
, "colo-compare") ||
2804 g_str_equal(type
, "filter-rewriter") ||
2805 g_str_equal(type
, "filter-replay")) {
2809 /* Memory allocation by backends needs to be done
2810 * after configure_accelerator() (due to the tcg_enabled()
2811 * checks at memory_region_init_*()).
2813 * Also, allocation of large amounts of memory may delay
2814 * chardev initialization for too long, and trigger timeouts
2815 * on software that waits for a monitor socket to be created
2818 if (g_str_has_prefix(type
, "memory-backend-")) {
2827 * The remainder of object creation happens after the
2828 * creation of chardev, fsdev, net clients and device data types.
2830 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2832 return !object_create_initial(type
, opts
);
2836 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2840 const char *mem_str
;
2841 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2842 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2845 loc_push_none(&loc
);
2846 qemu_opts_loc_restore(opts
);
2849 mem_str
= qemu_opt_get(opts
, "size");
2852 error_report("missing 'size' option value");
2856 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2858 /* Fix up legacy suffix-less format */
2859 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2860 uint64_t overflow_check
= sz
;
2863 if (sz
/ MiB
!= overflow_check
) {
2864 error_report("too large 'size' option value");
2870 /* backward compatibility behaviour for case "-m 0" */
2872 sz
= default_ram_size
;
2875 sz
= QEMU_ALIGN_UP(sz
, 8192);
2877 if (ram_size
!= sz
) {
2878 error_report("ram size too large");
2882 /* store value for the future use */
2883 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2884 *maxram_size
= ram_size
;
2886 if (qemu_opt_get(opts
, "maxmem")) {
2889 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2890 slots
= qemu_opt_get_number(opts
, "slots", 0);
2891 if (sz
< ram_size
) {
2892 error_report("invalid value of -m option maxmem: "
2893 "maximum memory size (0x%" PRIx64
") must be at least "
2894 "the initial memory size (0x" RAM_ADDR_FMT
")",
2897 } else if (slots
&& sz
== ram_size
) {
2898 error_report("invalid value of -m option maxmem: "
2899 "memory slots were specified but maximum memory size "
2900 "(0x%" PRIx64
") is equal to the initial memory size "
2901 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2907 } else if (qemu_opt_get(opts
, "slots")) {
2908 error_report("invalid -m option value: missing 'maxmem' option");
2915 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2919 g
= g_malloc0(sizeof(*g
));
2920 g
->driver
= qemu_opt_get(opts
, "driver");
2921 g
->property
= qemu_opt_get(opts
, "property");
2922 g
->value
= qemu_opt_get(opts
, "value");
2923 g
->user_provided
= true;
2924 g
->errp
= &error_fatal
;
2925 qdev_prop_register_global(g
);
2929 static int qemu_read_default_config_file(void)
2933 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2934 if (ret
< 0 && ret
!= -ENOENT
) {
2941 static void user_register_global_props(void)
2943 qemu_opts_foreach(qemu_find_opts("global"),
2944 global_init_func
, NULL
, NULL
);
2948 * Note: we should see that these properties are actually having a
2949 * priority: accel < machine < user. This means e.g. when user
2950 * specifies something in "-global", it'll always be used with highest
2951 * priority than either machine/accelerator compat properties.
2953 static void register_global_properties(MachineState
*ms
)
2955 accel_register_compat_props(ms
->accelerator
);
2956 machine_register_compat_props(ms
);
2957 user_register_global_props();
2960 int main(int argc
, char **argv
, char **envp
)
2963 int snapshot
, linux_boot
;
2964 const char *initrd_filename
;
2965 const char *kernel_filename
, *kernel_cmdline
;
2966 const char *boot_order
= NULL
;
2967 const char *boot_once
= NULL
;
2969 QemuOpts
*opts
, *machine_opts
;
2970 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2971 QemuOptsList
*olist
;
2974 const char *loadvm
= NULL
;
2975 MachineClass
*machine_class
;
2976 const char *cpu_model
;
2977 const char *vga_model
= NULL
;
2978 const char *qtest_chrdev
= NULL
;
2979 const char *qtest_log
= NULL
;
2980 const char *incoming
= NULL
;
2981 bool userconfig
= true;
2982 bool nographic
= false;
2983 int display_remote
= 0;
2984 const char *log_mask
= NULL
;
2985 const char *log_file
= NULL
;
2986 char *trace_file
= NULL
;
2987 ram_addr_t maxram_size
;
2988 uint64_t ram_slots
= 0;
2989 FILE *vmstate_dump_file
= NULL
;
2990 Error
*main_loop_err
= NULL
;
2992 bool list_data_dirs
= false;
2994 typedef struct BlockdevOptions_queue
{
2995 BlockdevOptions
*bdo
;
2997 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
2998 } BlockdevOptions_queue
;
2999 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
3000 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
3002 module_call_init(MODULE_INIT_TRACE
);
3004 qemu_init_cpu_list();
3005 qemu_init_cpu_loop();
3007 qemu_mutex_lock_iothread();
3009 atexit(qemu_run_exit_notifiers
);
3010 error_set_progname(argv
[0]);
3011 qemu_init_exec_dir(argv
[0]);
3013 module_call_init(MODULE_INIT_QOM
);
3015 qemu_add_opts(&qemu_drive_opts
);
3016 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3017 qemu_add_drive_opts(&qemu_common_drive_opts
);
3018 qemu_add_drive_opts(&qemu_drive_opts
);
3019 qemu_add_drive_opts(&bdrv_runtime_opts
);
3020 qemu_add_opts(&qemu_chardev_opts
);
3021 qemu_add_opts(&qemu_device_opts
);
3022 qemu_add_opts(&qemu_netdev_opts
);
3023 qemu_add_opts(&qemu_nic_opts
);
3024 qemu_add_opts(&qemu_net_opts
);
3025 qemu_add_opts(&qemu_rtc_opts
);
3026 qemu_add_opts(&qemu_global_opts
);
3027 qemu_add_opts(&qemu_mon_opts
);
3028 qemu_add_opts(&qemu_trace_opts
);
3029 qemu_add_opts(&qemu_option_rom_opts
);
3030 qemu_add_opts(&qemu_machine_opts
);
3031 qemu_add_opts(&qemu_accel_opts
);
3032 qemu_add_opts(&qemu_mem_opts
);
3033 qemu_add_opts(&qemu_smp_opts
);
3034 qemu_add_opts(&qemu_boot_opts
);
3035 qemu_add_opts(&qemu_add_fd_opts
);
3036 qemu_add_opts(&qemu_object_opts
);
3037 qemu_add_opts(&qemu_tpmdev_opts
);
3038 qemu_add_opts(&qemu_realtime_opts
);
3039 qemu_add_opts(&qemu_overcommit_opts
);
3040 qemu_add_opts(&qemu_msg_opts
);
3041 qemu_add_opts(&qemu_name_opts
);
3042 qemu_add_opts(&qemu_numa_opts
);
3043 qemu_add_opts(&qemu_icount_opts
);
3044 qemu_add_opts(&qemu_semihosting_config_opts
);
3045 qemu_add_opts(&qemu_fw_cfg_opts
);
3046 module_call_init(MODULE_INIT_OPTS
);
3049 postcopy_infrastructure_init();
3050 monitor_init_globals();
3052 if (qcrypto_init(&err
) < 0) {
3053 error_reportf_err(err
, "cannot initialize crypto: ");
3057 QLIST_INIT (&vm_change_state_head
);
3058 os_setup_early_signal_handling();
3065 bdrv_init_with_whitelist();
3069 /* first pass of option parsing */
3071 while (optind
< argc
) {
3072 if (argv
[optind
][0] != '-') {
3076 const QEMUOption
*popt
;
3078 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3079 switch (popt
->index
) {
3080 case QEMU_OPTION_nouserconfig
:
3088 if (qemu_read_default_config_file() < 0) {
3093 /* second pass of option parsing */
3098 if (argv
[optind
][0] != '-') {
3099 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3101 const QEMUOption
*popt
;
3103 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3104 if (!(popt
->arch_mask
& arch_type
)) {
3105 error_report("Option not supported for this target");
3108 switch(popt
->index
) {
3109 case QEMU_OPTION_cpu
:
3110 /* hw initialization will check this */
3113 case QEMU_OPTION_hda
:
3114 case QEMU_OPTION_hdb
:
3115 case QEMU_OPTION_hdc
:
3116 case QEMU_OPTION_hdd
:
3117 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3120 case QEMU_OPTION_blockdev
:
3123 BlockdevOptions_queue
*bdo
;
3125 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3127 error_report_err(err
);
3131 bdo
= g_new(BlockdevOptions_queue
, 1);
3132 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3135 loc_save(&bdo
->loc
);
3136 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3139 case QEMU_OPTION_drive
:
3140 if (drive_def(optarg
) == NULL
) {
3144 case QEMU_OPTION_set
:
3145 if (qemu_set_option(optarg
) != 0)
3148 case QEMU_OPTION_global
:
3149 if (qemu_global_option(optarg
) != 0)
3152 case QEMU_OPTION_mtdblock
:
3153 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3155 case QEMU_OPTION_sd
:
3156 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3158 case QEMU_OPTION_pflash
:
3159 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3161 case QEMU_OPTION_snapshot
:
3164 case QEMU_OPTION_numa
:
3165 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3171 case QEMU_OPTION_display
:
3172 parse_display(optarg
);
3174 case QEMU_OPTION_nographic
:
3175 olist
= qemu_find_opts("machine");
3176 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3178 dpy
.type
= DISPLAY_TYPE_NONE
;
3180 case QEMU_OPTION_curses
:
3181 #ifdef CONFIG_CURSES
3182 dpy
.type
= DISPLAY_TYPE_CURSES
;
3184 error_report("curses support is disabled");
3188 case QEMU_OPTION_portrait
:
3189 graphic_rotate
= 90;
3191 case QEMU_OPTION_rotate
:
3192 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3193 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3194 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3195 error_report("only 90, 180, 270 deg rotation is available");
3199 case QEMU_OPTION_kernel
:
3200 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3203 case QEMU_OPTION_initrd
:
3204 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3207 case QEMU_OPTION_append
:
3208 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3211 case QEMU_OPTION_dtb
:
3212 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3215 case QEMU_OPTION_cdrom
:
3216 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3218 case QEMU_OPTION_boot
:
3219 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3225 case QEMU_OPTION_fda
:
3226 case QEMU_OPTION_fdb
:
3227 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3230 case QEMU_OPTION_no_fd_bootchk
:
3233 case QEMU_OPTION_netdev
:
3235 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3239 case QEMU_OPTION_nic
:
3241 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3245 case QEMU_OPTION_net
:
3247 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3251 #ifdef CONFIG_LIBISCSI
3252 case QEMU_OPTION_iscsi
:
3253 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3260 case QEMU_OPTION_bt
:
3261 add_device_config(DEV_BT
, optarg
);
3263 case QEMU_OPTION_audio_help
:
3267 case QEMU_OPTION_soundhw
:
3268 select_soundhw (optarg
);
3273 case QEMU_OPTION_version
:
3278 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3285 case QEMU_OPTION_tpmdev
:
3286 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3291 case QEMU_OPTION_mempath
:
3294 case QEMU_OPTION_mem_prealloc
:
3303 case QEMU_OPTION_DFILTER
:
3304 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3307 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3309 case QEMU_OPTION_gdb
:
3310 add_device_config(DEV_GDB
, optarg
);
3313 if (is_help_option(optarg
)) {
3314 list_data_dirs
= true;
3316 qemu_add_data_dir(optarg
);
3319 case QEMU_OPTION_bios
:
3320 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3323 case QEMU_OPTION_singlestep
:
3330 keyboard_layout
= optarg
;
3332 case QEMU_OPTION_vga
:
3341 w
= strtol(p
, (char **)&p
, 10);
3344 error_report("invalid resolution or depth");
3350 h
= strtol(p
, (char **)&p
, 10);
3355 depth
= strtol(p
, (char **)&p
, 10);
3356 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3357 depth
!= 24 && depth
!= 32)
3359 } else if (*p
== '\0') {
3360 depth
= graphic_depth
;
3367 graphic_depth
= depth
;
3370 case QEMU_OPTION_echr
:
3373 term_escape_char
= strtol(optarg
, &r
, 0);
3375 printf("Bad argument to echr\n");
3378 case QEMU_OPTION_monitor
:
3379 default_monitor
= 0;
3380 if (strncmp(optarg
, "none", 4)) {
3381 monitor_parse(optarg
, "readline", false);
3384 case QEMU_OPTION_qmp
:
3385 monitor_parse(optarg
, "control", false);
3386 default_monitor
= 0;
3388 case QEMU_OPTION_qmp_pretty
:
3389 monitor_parse(optarg
, "control", true);
3390 default_monitor
= 0;
3392 case QEMU_OPTION_mon
:
3393 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3398 default_monitor
= 0;
3400 case QEMU_OPTION_chardev
:
3401 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3407 case QEMU_OPTION_fsdev
:
3408 olist
= qemu_find_opts("fsdev");
3410 error_report("fsdev support is disabled");
3413 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3418 case QEMU_OPTION_virtfs
: {
3421 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3423 olist
= qemu_find_opts("virtfs");
3425 error_report("virtfs support is disabled");
3428 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3433 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3434 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3435 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3438 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3439 qemu_opts_id(opts
) ?:
3440 qemu_opt_get(opts
, "mount_tag"),
3443 error_report("duplicate or invalid fsdev id: %s",
3444 qemu_opt_get(opts
, "mount_tag"));
3448 writeout
= qemu_opt_get(opts
, "writeout");
3450 #ifdef CONFIG_SYNC_FILE_RANGE
3451 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3453 error_report("writeout=immediate not supported "
3454 "on this platform");
3458 qemu_opt_set(fsdev
, "fsdriver",
3459 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3460 path
= qemu_opt_get(opts
, "path");
3462 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3464 security_model
= qemu_opt_get(opts
, "security_model");
3465 if (security_model
) {
3466 qemu_opt_set(fsdev
, "security_model", security_model
,
3469 socket
= qemu_opt_get(opts
, "socket");
3471 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3473 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3475 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3478 qemu_opt_set_bool(fsdev
, "readonly",
3479 qemu_opt_get_bool(opts
, "readonly", 0),
3481 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3483 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3484 qemu_opt_set(device
, "fsdev",
3485 qemu_opts_id(fsdev
), &error_abort
);
3486 qemu_opt_set(device
, "mount_tag",
3487 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3490 case QEMU_OPTION_virtfs_synth
: {
3494 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3497 error_report("duplicate option: %s", "virtfs_synth");
3500 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3502 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3504 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3505 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3506 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3509 case QEMU_OPTION_serial
:
3510 add_device_config(DEV_SERIAL
, optarg
);
3512 if (strncmp(optarg
, "mon:", 4) == 0) {
3513 default_monitor
= 0;
3516 case QEMU_OPTION_watchdog
:
3518 error_report("only one watchdog option may be given");
3523 case QEMU_OPTION_watchdog_action
:
3524 if (select_watchdog_action(optarg
) == -1) {
3525 error_report("unknown -watchdog-action parameter");
3529 case QEMU_OPTION_virtiocon
:
3530 warn_report("This option is deprecated, "
3531 "use '-device virtconsole' instead");
3532 add_device_config(DEV_VIRTCON
, optarg
);
3533 default_virtcon
= 0;
3534 if (strncmp(optarg
, "mon:", 4) == 0) {
3535 default_monitor
= 0;
3538 case QEMU_OPTION_parallel
:
3539 add_device_config(DEV_PARALLEL
, optarg
);
3540 default_parallel
= 0;
3541 if (strncmp(optarg
, "mon:", 4) == 0) {
3542 default_monitor
= 0;
3545 case QEMU_OPTION_debugcon
:
3546 add_device_config(DEV_DEBUGCON
, optarg
);
3548 case QEMU_OPTION_loadvm
:
3551 case QEMU_OPTION_full_screen
:
3552 dpy
.has_full_screen
= true;
3553 dpy
.full_screen
= true;
3555 case QEMU_OPTION_no_frame
:
3556 g_printerr("The -no-frame switch is deprecated, and will be\n"
3557 "removed in a future release.\n");
3560 case QEMU_OPTION_alt_grab
:
3563 case QEMU_OPTION_ctrl_grab
:
3566 case QEMU_OPTION_no_quit
:
3567 dpy
.has_window_close
= true;
3568 dpy
.window_close
= false;
3570 case QEMU_OPTION_sdl
:
3572 dpy
.type
= DISPLAY_TYPE_SDL
;
3575 error_report("SDL support is disabled");
3578 case QEMU_OPTION_pidfile
:
3581 case QEMU_OPTION_win2k_hack
:
3582 win2k_install_hack
= 1;
3584 case QEMU_OPTION_acpitable
:
3585 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3590 acpi_table_add(opts
, &error_fatal
);
3592 case QEMU_OPTION_smbios
:
3593 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3598 smbios_entry_add(opts
, &error_fatal
);
3600 case QEMU_OPTION_fwcfg
:
3601 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3607 case QEMU_OPTION_preconfig
:
3608 preconfig_exit_requested
= false;
3610 case QEMU_OPTION_enable_kvm
:
3611 olist
= qemu_find_opts("machine");
3612 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3614 case QEMU_OPTION_enable_hax
:
3615 warn_report("Option is deprecated, use '-accel hax' instead");
3616 olist
= qemu_find_opts("machine");
3617 qemu_opts_parse_noisily(olist
, "accel=hax", false);
3620 case QEMU_OPTION_machine
:
3621 olist
= qemu_find_opts("machine");
3622 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3627 case QEMU_OPTION_no_kvm
:
3628 olist
= qemu_find_opts("machine");
3629 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3631 case QEMU_OPTION_accel
:
3632 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3634 optarg
= qemu_opt_get(accel_opts
, "accel");
3635 if (!optarg
|| is_help_option(optarg
)) {
3636 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3639 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3640 false, &error_abort
);
3641 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3643 case QEMU_OPTION_usb
:
3644 olist
= qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist
, "usb=on", false);
3647 case QEMU_OPTION_usbdevice
:
3648 error_report("'-usbdevice' is deprecated, please use "
3649 "'-device usb-...' instead");
3650 olist
= qemu_find_opts("machine");
3651 qemu_opts_parse_noisily(olist
, "usb=on", false);
3652 add_device_config(DEV_USB
, optarg
);
3654 case QEMU_OPTION_device
:
3655 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3660 case QEMU_OPTION_smp
:
3661 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3666 case QEMU_OPTION_vnc
:
3667 vnc_parse(optarg
, &error_fatal
);
3669 case QEMU_OPTION_no_acpi
:
3672 case QEMU_OPTION_no_hpet
:
3675 case QEMU_OPTION_no_reboot
:
3678 case QEMU_OPTION_no_shutdown
:
3681 case QEMU_OPTION_show_cursor
:
3684 case QEMU_OPTION_uuid
:
3685 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3686 error_report("failed to parse UUID string: wrong format");
3689 qemu_uuid_set
= true;
3691 case QEMU_OPTION_option_rom
:
3692 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3693 error_report("too many option ROMs");
3696 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3701 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3702 option_rom
[nb_option_roms
].bootindex
=
3703 qemu_opt_get_number(opts
, "bootindex", -1);
3704 if (!option_rom
[nb_option_roms
].name
) {
3705 error_report("Option ROM file is not specified");
3710 case QEMU_OPTION_semihosting
:
3711 semihosting
.enabled
= true;
3712 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3714 case QEMU_OPTION_semihosting_config
:
3715 semihosting
.enabled
= true;
3716 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3719 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3721 const char *target
= qemu_opt_get(opts
, "target");
3722 if (target
!= NULL
) {
3723 if (strcmp("native", target
) == 0) {
3724 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3725 } else if (strcmp("gdb", target
) == 0) {
3726 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3727 } else if (strcmp("auto", target
) == 0) {
3728 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3730 error_report("unsupported semihosting-config %s",
3735 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3737 /* Set semihosting argument count and vector */
3738 qemu_opt_foreach(opts
, add_semihosting_arg
,
3739 &semihosting
, NULL
);
3741 error_report("unsupported semihosting-config %s", optarg
);
3745 case QEMU_OPTION_name
:
3746 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3752 case QEMU_OPTION_prom_env
:
3753 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3754 error_report("too many prom variables");
3757 prom_envs
[nb_prom_envs
] = optarg
;
3760 case QEMU_OPTION_old_param
:
3763 case QEMU_OPTION_clock
:
3764 /* Clock options no longer exist. Keep this option for
3765 * backward compatibility.
3767 warn_report("This option is ignored and will be removed soon");
3769 case QEMU_OPTION_rtc
:
3770 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3776 case QEMU_OPTION_tb_size
:
3778 error_report("TCG is disabled");
3781 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3782 error_report("Invalid argument to -tb-size");
3786 case QEMU_OPTION_icount
:
3787 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3793 case QEMU_OPTION_incoming
:
3795 runstate_set(RUN_STATE_INMIGRATE
);
3799 case QEMU_OPTION_only_migratable
:
3801 * TODO: we can remove this option one day, and we
3804 * "-global migration.only-migratable=true"
3806 qemu_global_option("migration.only-migratable=true");
3808 case QEMU_OPTION_nodefaults
:
3811 case QEMU_OPTION_xen_domid
:
3812 if (!(xen_available())) {
3813 error_report("Option not supported for this target");
3816 xen_domid
= atoi(optarg
);
3818 case QEMU_OPTION_xen_create
:
3819 if (!(xen_available())) {
3820 error_report("Option not supported for this target");
3823 xen_mode
= XEN_CREATE
;
3825 case QEMU_OPTION_xen_attach
:
3826 if (!(xen_available())) {
3827 error_report("Option not supported for this target");
3830 xen_mode
= XEN_ATTACH
;
3832 case QEMU_OPTION_xen_domid_restrict
:
3833 if (!(xen_available())) {
3834 error_report("Option not supported for this target");
3837 xen_domid_restrict
= true;
3839 case QEMU_OPTION_trace
:
3841 trace_file
= trace_opt_parse(optarg
);
3843 case QEMU_OPTION_readconfig
:
3845 int ret
= qemu_read_config_file(optarg
);
3847 error_report("read config %s: %s", optarg
,
3853 case QEMU_OPTION_spice
:
3854 olist
= qemu_find_opts("spice");
3856 error_report("spice support is disabled");
3859 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3865 case QEMU_OPTION_writeconfig
:
3868 if (strcmp(optarg
, "-") == 0) {
3871 fp
= fopen(optarg
, "w");
3873 error_report("open %s: %s", optarg
,
3878 qemu_config_write(fp
);
3884 case QEMU_OPTION_qtest
:
3885 qtest_chrdev
= optarg
;
3887 case QEMU_OPTION_qtest_log
:
3890 case QEMU_OPTION_sandbox
:
3891 #ifdef CONFIG_SECCOMP
3892 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3898 error_report("-sandbox support is not enabled "
3899 "in this QEMU binary");
3903 case QEMU_OPTION_add_fd
:
3905 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3911 error_report("File descriptor passing is disabled on this "
3916 case QEMU_OPTION_object
:
3917 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3923 case QEMU_OPTION_realtime
:
3924 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3929 /* Don't override the -overcommit option if set */
3930 enable_mlock
= enable_mlock
||
3931 qemu_opt_get_bool(opts
, "mlock", true);
3933 case QEMU_OPTION_overcommit
:
3934 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3939 /* Don't override the -realtime option if set */
3940 enable_mlock
= enable_mlock
||
3941 qemu_opt_get_bool(opts
, "mem-lock", false);
3942 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3944 case QEMU_OPTION_msg
:
3945 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3950 configure_msg(opts
);
3952 case QEMU_OPTION_dump_vmstate
:
3953 if (vmstate_dump_file
) {
3954 error_report("only one '-dump-vmstate' "
3955 "option may be given");
3958 vmstate_dump_file
= fopen(optarg
, "w");
3959 if (vmstate_dump_file
== NULL
) {
3960 error_report("open %s: %s", optarg
, strerror(errno
));
3964 case QEMU_OPTION_enable_sync_profile
:
3967 case QEMU_OPTION_nouserconfig
:
3968 /* Nothing to be parsed here. Especially, do not error out below. */
3971 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3972 error_report("Option not supported in this build");
3979 * Clear error location left behind by the loop.
3980 * Best done right after the loop. Do not insert code here!
3984 replay_configure(icount_opts
);
3986 if (incoming
&& !preconfig_exit_requested
) {
3987 error_report("'preconfig' and 'incoming' options are "
3988 "mutually exclusive");
3992 configure_rtc(qemu_find_opts_singleton("rtc"));
3994 machine_class
= select_machine();
3996 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3999 rcu_disable_atfork();
4001 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
4002 error_reportf_err(err
, "cannot create PID file: ");
4006 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
4007 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
4009 if (qemu_init_main_loop(&main_loop_err
)) {
4010 error_report_err(main_loop_err
);
4014 #ifdef CONFIG_SECCOMP
4015 olist
= qemu_find_opts_err("sandbox", NULL
);
4017 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
4021 qemu_opts_foreach(qemu_find_opts("name"),
4022 parse_name
, NULL
, &error_fatal
);
4025 qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 parse_add_fd
, NULL
, &error_fatal
);
4028 qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 cleanup_add_fd
, NULL
, &error_fatal
);
4032 current_machine
= MACHINE(object_new(object_class_get_name(
4033 OBJECT_CLASS(machine_class
))));
4034 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4037 object_property_add_child(object_get_root(), "machine",
4038 OBJECT(current_machine
), &error_abort
);
4040 if (machine_class
->minimum_page_bits
) {
4041 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4042 /* This would be a board error: specifying a minimum smaller than
4043 * a target's compile-time fixed setting.
4045 g_assert_not_reached();
4049 cpu_exec_init_all();
4051 if (machine_class
->hw_version
) {
4052 qemu_set_hw_version(machine_class
->hw_version
);
4055 if (cpu_model
&& is_help_option(cpu_model
)) {
4056 list_cpus(stdout
, &fprintf
, cpu_model
);
4060 if (!trace_init_backends()) {
4063 trace_init_file(trace_file
);
4065 /* Open the logfile at this point and set the log mask if necessary.
4068 qemu_set_log_filename(log_file
, &error_fatal
);
4073 mask
= qemu_str_to_log_mask(log_mask
);
4075 qemu_print_log_usage(stdout
);
4083 /* add configured firmware directories */
4084 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4085 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4086 qemu_add_data_dir(dirs
[i
]);
4090 /* try to find datadir relative to the executable path */
4091 dir
= os_find_datadir();
4092 qemu_add_data_dir(dir
);
4095 /* add the datadir specified when building */
4096 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4098 /* -L help lists the data directories and exits. */
4099 if (list_data_dirs
) {
4100 for (i
= 0; i
< data_dir_idx
; i
++) {
4101 printf("%s\n", data_dir
[i
]);
4106 /* machine_class: default to UP */
4107 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4108 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4109 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4111 /* default to machine_class->default_cpus */
4112 smp_cpus
= machine_class
->default_cpus
;
4113 max_cpus
= machine_class
->default_cpus
;
4115 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4117 /* sanity-check smp_cpus and max_cpus against machine_class */
4118 if (smp_cpus
< machine_class
->min_cpus
) {
4119 error_report("Invalid SMP CPUs %d. The min CPUs "
4120 "supported by machine '%s' is %d", smp_cpus
,
4121 machine_class
->name
, machine_class
->min_cpus
);
4124 if (max_cpus
> machine_class
->max_cpus
) {
4125 error_report("Invalid SMP CPUs %d. The max CPUs "
4126 "supported by machine '%s' is %d", max_cpus
,
4127 machine_class
->name
, machine_class
->max_cpus
);
4132 * Get the default machine options from the machine if it is not already
4133 * specified either by the configuration file or by the command line.
4135 if (machine_class
->default_machine_opts
) {
4136 qemu_opts_set_defaults(qemu_find_opts("machine"),
4137 machine_class
->default_machine_opts
, 0);
4140 qemu_opts_foreach(qemu_find_opts("device"),
4141 default_driver_check
, NULL
, NULL
);
4142 qemu_opts_foreach(qemu_find_opts("global"),
4143 default_driver_check
, NULL
, NULL
);
4145 if (!vga_model
&& !default_vga
) {
4146 vga_interface_type
= VGA_DEVICE
;
4148 if (!has_defaults
|| machine_class
->no_serial
) {
4151 if (!has_defaults
|| machine_class
->no_parallel
) {
4152 default_parallel
= 0;
4154 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4155 default_virtcon
= 0;
4157 if (!has_defaults
|| machine_class
->no_floppy
) {
4160 if (!has_defaults
|| machine_class
->no_cdrom
) {
4163 if (!has_defaults
|| machine_class
->no_sdcard
) {
4166 if (!has_defaults
) {
4167 default_monitor
= 0;
4172 if (is_daemonized()) {
4173 if (!preconfig_exit_requested
) {
4174 error_report("'preconfig' and 'daemonize' options are "
4175 "mutually exclusive");
4179 /* According to documentation and historically, -nographic redirects
4180 * serial port, parallel port and monitor to stdio, which does not work
4181 * with -daemonize. We can redirect these to null instead, but since
4182 * -nographic is legacy, let's just error out.
4183 * We disallow -nographic only if all other ports are not redirected
4184 * explicitly, to not break existing legacy setups which uses
4185 * -nographic _and_ redirects all ports explicitly - this is valid
4186 * usage, -nographic is just a no-op in this case.
4189 && (default_parallel
|| default_serial
4190 || default_monitor
|| default_virtcon
)) {
4191 error_report("-nographic cannot be used with -daemonize");
4194 #ifdef CONFIG_CURSES
4195 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4196 error_report("curses display cannot be used with -daemonize");
4203 if (default_parallel
)
4204 add_device_config(DEV_PARALLEL
, "null");
4205 if (default_serial
&& default_monitor
) {
4206 add_device_config(DEV_SERIAL
, "mon:stdio");
4207 } else if (default_virtcon
&& default_monitor
) {
4208 add_device_config(DEV_VIRTCON
, "mon:stdio");
4211 add_device_config(DEV_SERIAL
, "stdio");
4212 if (default_virtcon
)
4213 add_device_config(DEV_VIRTCON
, "stdio");
4214 if (default_monitor
)
4215 monitor_parse("stdio", "readline", false);
4219 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4220 if (default_parallel
)
4221 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4222 if (default_monitor
)
4223 monitor_parse("vc:80Cx24C", "readline", false);
4224 if (default_virtcon
)
4225 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4228 #if defined(CONFIG_VNC)
4229 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4233 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4234 if (!qemu_display_find_default(&dpy
)) {
4235 dpy
.type
= DISPLAY_TYPE_NONE
;
4236 #if defined(CONFIG_VNC)
4237 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4241 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4242 dpy
.type
= DISPLAY_TYPE_NONE
;
4245 if ((no_frame
|| alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4246 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4247 "for SDL, ignoring option");
4249 if (dpy
.has_window_close
&&
4250 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4251 error_report("-no-quit is only valid for GTK and SDL, "
4255 qemu_display_early_init(&dpy
);
4256 qemu_console_early_init();
4258 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4259 #if defined(CONFIG_OPENGL)
4260 error_report("OpenGL is not supported by the display");
4262 error_report("OpenGL support is disabled");
4270 qemu_opts_foreach(qemu_find_opts("object"),
4271 user_creatable_add_opts_foreach
,
4272 object_create_initial
, &error_fatal
);
4274 qemu_opts_foreach(qemu_find_opts("chardev"),
4275 chardev_init_func
, NULL
, &error_fatal
);
4277 #ifdef CONFIG_VIRTFS
4278 qemu_opts_foreach(qemu_find_opts("fsdev"),
4279 fsdev_init_func
, NULL
, &error_fatal
);
4282 if (qemu_opts_foreach(qemu_find_opts("device"),
4283 device_help_func
, NULL
, NULL
)) {
4287 machine_opts
= qemu_get_machine_opts();
4288 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4291 configure_accelerator(current_machine
);
4293 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4294 error_report("Machine type '%s' is deprecated: %s",
4295 machine_class
->name
, machine_class
->deprecation_reason
);
4299 * Register all the global properties, including accel properties,
4300 * machine properties, and user-specified ones.
4302 register_global_properties(current_machine
);
4305 * Migration object can only be created after global properties
4306 * are applied correctly.
4308 migration_object_init();
4311 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4314 machine_opts
= qemu_get_machine_opts();
4315 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4316 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4317 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4318 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4320 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4322 boot_order
= qemu_opt_get(opts
, "order");
4324 validate_bootdevices(boot_order
, &error_fatal
);
4327 boot_once
= qemu_opt_get(opts
, "once");
4329 validate_bootdevices(boot_once
, &error_fatal
);
4332 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4333 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4337 boot_order
= machine_class
->default_boot_order
;
4340 if (!kernel_cmdline
) {
4341 kernel_cmdline
= "";
4342 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4345 linux_boot
= (kernel_filename
!= NULL
);
4347 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4348 error_report("-append only allowed with -kernel option");
4352 if (!linux_boot
&& initrd_filename
!= NULL
) {
4353 error_report("-initrd only allowed with -kernel option");
4357 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4358 /* fall back to the -kernel/-append */
4359 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4362 os_set_line_buffering();
4364 /* spice needs the timers to be initialized by this point */
4369 if (!tcg_enabled()) {
4370 error_report("-icount is not allowed with hardware virtualization");
4373 configure_icount(icount_opts
, &error_abort
);
4374 qemu_opts_del(icount_opts
);
4377 if (tcg_enabled()) {
4378 qemu_tcg_configure(accel_opts
, &error_fatal
);
4382 QemuOptsList
*net
= qemu_find_opts("net");
4383 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4385 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4389 if (net_init_clients(&err
) < 0) {
4390 error_report_err(err
);
4394 qemu_opts_foreach(qemu_find_opts("object"),
4395 user_creatable_add_opts_foreach
,
4396 object_create_delayed
, &error_fatal
);
4400 /* init the bluetooth world */
4401 if (foreach_device_config(DEV_BT
, bt_parse
))
4404 if (!xen_enabled()) {
4405 /* On 32-bit hosts, QEMU is limited by virtual address space */
4406 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4407 error_report("at most 2047 MB RAM can be simulated");
4414 dirty_bitmap_mig_init();
4416 /* If the currently selected machine wishes to override the units-per-bus
4417 * property of its default HBA interface type, do so now. */
4418 if (machine_class
->units_per_default_bus
) {
4419 override_max_devs(machine_class
->block_default_type
,
4420 machine_class
->units_per_default_bus
);
4423 /* open the virtual block devices */
4424 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4425 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4427 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4428 loc_push_restore(&bdo
->loc
);
4429 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4431 qapi_free_BlockdevOptions(bdo
->bdo
);
4434 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4435 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4438 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4439 &machine_class
->block_default_type
, &error_fatal
)) {
4440 /* We printed help */
4444 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4446 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4447 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4449 qemu_opts_foreach(qemu_find_opts("mon"),
4450 mon_init_func
, NULL
, &error_fatal
);
4452 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4454 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4456 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4458 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4461 /* If no default VGA is requested, the default is "none". */
4463 if (machine_class
->default_display
) {
4464 vga_model
= machine_class
->default_display
;
4465 } else if (vga_interface_available(VGA_CIRRUS
)) {
4466 vga_model
= "cirrus";
4467 } else if (vga_interface_available(VGA_STD
)) {
4472 select_vgahw(vga_model
);
4476 i
= select_watchdog(watchdog
);
4478 exit (i
== 1 ? 1 : 0);
4481 /* This checkpoint is required by replay to separate prior clock
4482 reading from the other reads, because timer polling functions query
4483 clock values from the log. */
4484 replay_checkpoint(CHECKPOINT_INIT
);
4485 qdev_machine_init();
4487 current_machine
->ram_size
= ram_size
;
4488 current_machine
->maxram_size
= maxram_size
;
4489 current_machine
->ram_slots
= ram_slots
;
4490 current_machine
->boot_order
= boot_order
;
4492 /* parse features once if machine provides default cpu_type */
4493 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4495 current_machine
->cpu_type
= parse_cpu_model(cpu_model
);
4497 parse_numa_opts(current_machine
);
4499 /* do monitor/qmp handling at preconfig state if requested */
4502 /* from here on runstate is RUN_STATE_PRELAUNCH */
4503 machine_run_board_init(current_machine
);
4509 if (hax_enabled()) {
4513 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4514 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4516 /* init USB devices */
4517 if (machine_usb(current_machine
)) {
4518 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4522 /* Check if IGD GFX passthrough. */
4525 /* init generic devices */
4526 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4527 qemu_opts_foreach(qemu_find_opts("device"),
4528 device_init_func
, NULL
, &error_fatal
);
4530 cpu_synchronize_all_post_init();
4532 rom_reset_order_override();
4534 /* Did we create any drives that we failed to create a device for? */
4535 drive_check_orphaned();
4537 /* Don't warn about the default network setup that you get if
4538 * no command line -net or -netdev options are specified. There
4539 * are two cases that we would otherwise complain about:
4540 * (1) board doesn't support a NIC but the implicit "-net nic"
4542 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4543 * sets up a nic that isn't connected to anything.
4545 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4546 net_check_clients();
4550 qemu_boot_set(boot_once
, &error_fatal
);
4551 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4554 /* init local displays */
4555 ds
= init_displaystate();
4556 qemu_display_init(ds
, &dpy
);
4558 /* must be after terminal init, SDL library changes signal handlers */
4559 os_setup_signal_handling();
4561 /* init remote displays */
4563 qemu_opts_foreach(qemu_find_opts("vnc"),
4564 vnc_init_func
, NULL
, &error_fatal
);
4568 qemu_spice_display_init();
4571 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4575 qdev_machine_creation_done();
4577 /* TODO: once all bus devices are qdevified, this should be done
4578 * when bus is created by qdev.c */
4579 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4580 qemu_run_machine_init_done_notifiers();
4582 if (rom_check_and_register_reset() != 0) {
4583 error_report("rom check and register reset failed");
4589 /* This checkpoint is required by replay to separate prior clock
4590 reading from the other reads, because timer polling functions query
4591 clock values from the log. */
4592 replay_checkpoint(CHECKPOINT_RESET
);
4593 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4594 register_global_state();
4596 Error
*local_err
= NULL
;
4597 if (load_snapshot(loadvm
, &local_err
) < 0) {
4598 error_report_err(local_err
);
4603 if (replay_mode
!= REPLAY_MODE_NONE
) {
4604 replay_vmstate_init();
4607 qdev_prop_check_globals();
4608 if (vmstate_dump_file
) {
4610 dump_vmstate_json_to_file(vmstate_dump_file
);
4615 Error
*local_err
= NULL
;
4616 qemu_start_incoming_migration(incoming
, &local_err
);
4618 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4621 } else if (autostart
) {
4625 accel_setup_post(current_machine
);
4630 gdbserver_cleanup();
4632 /* No more vcpu or device emulation activity beyond this point */
4635 job_cancel_sync_all();
4640 /* vhost-user must be cleaned up before chardevs. */
4646 user_creatable_cleanup();
4647 migration_object_finalize();
4648 /* TODO: unref root container, check all devices are ok */