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
24 #include "qemu/osdep.h"
28 #include "sysemu/seccomp.h"
31 #if defined(CONFIG_VDE)
32 #include <libvdeplug.h>
36 #if defined(__APPLE__) || defined(main)
38 int qemu_main(int argc
, char **argv
, char **envp
);
39 int main(int argc
, char **argv
)
41 return qemu_main(argc
, argv
, NULL
);
44 #define main qemu_main
46 #endif /* CONFIG_SDL */
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
61 #include "hw/i386/pc.h"
62 #include "hw/isa/isa.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.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"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "sysemu/char.h"
80 #include "qemu/bitmap.h"
81 #include "sysemu/blockdev.h"
82 #include "hw/block/block.h"
83 #include "migration/block.h"
84 #include "sysemu/tpm.h"
85 #include "sysemu/dma.h"
86 #include "audio/audio.h"
87 #include "migration/migration.h"
88 #include "sysemu/kvm.h"
89 #include "qapi/qmp/qjson.h"
90 #include "qemu/option.h"
91 #include "qemu/config-file.h"
92 #include "qemu-options.h"
93 #include "qmp-commands.h"
94 #include "qemu/main-loop.h"
96 #include "fsdev/qemu-fsdev.h"
98 #include "sysemu/qtest.h"
100 #include "disas/disas.h"
103 #include "slirp/libslirp.h"
106 #include "trace/control.h"
107 #include "qemu/queue.h"
108 #include "sysemu/cpus.h"
109 #include "sysemu/arch_init.h"
111 #include "ui/qemu-spice.h"
112 #include "qapi/string-input-visitor.h"
113 #include "qapi/opts-visitor.h"
114 #include "qom/object_interfaces.h"
115 #include "qapi-event.h"
116 #include "exec/semihost.h"
117 #include "crypto/init.h"
118 #include "sysemu/replay.h"
119 #include "qapi/qmp/qerror.h"
121 #define MAX_VIRTIO_CONSOLES 1
122 #define MAX_SCLP_CONSOLES 1
124 static const char *data_dir
[16];
125 static int data_dir_idx
;
126 const char *bios_name
= NULL
;
127 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
128 DisplayType display_type
= DT_DEFAULT
;
129 int request_opengl
= -1;
131 static int display_remote
;
132 const char* keyboard_layout
= NULL
;
134 const char *mem_path
= NULL
;
135 int mem_prealloc
= 0; /* force preallocation of physical target memory */
136 bool enable_mlock
= false;
138 NICInfo nd_table
[MAX_NICS
];
140 static int rtc_utc
= 1;
141 static int rtc_date_offset
= -1; /* -1 means no change */
142 QEMUClockType rtc_clock
;
143 int vga_interface_type
= VGA_NONE
;
144 static int full_screen
= 0;
145 static int no_frame
= 0;
148 static bool grab_on_hover
;
150 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
151 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
152 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
153 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
154 int win2k_install_hack
= 0;
160 int acpi_enabled
= 1;
163 static int no_reboot
;
166 int graphic_rotate
= 0;
167 const char *watchdog
;
168 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
171 const char *qemu_name
;
174 unsigned int nb_prom_envs
= 0;
175 const char *prom_envs
[MAX_PROM_ENVS
];
178 uint8_t *boot_splash_filedata
;
179 size_t boot_splash_filedata_size
;
180 uint8_t qemu_extra_params_fw
[2];
182 int icount_align_option
;
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 uint8_t qemu_uuid
[16];
190 static NotifierList exit_notifiers
=
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
193 static NotifierList machine_init_done_notifiers
=
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
198 enum xen_mode xen_mode
= XEN_EMULATE
;
200 static int has_defaults
= 1;
201 static int default_serial
= 1;
202 static int default_parallel
= 1;
203 static int default_virtcon
= 1;
204 static int default_sclp
= 1;
205 static int default_monitor
= 1;
206 static int default_floppy
= 1;
207 static int default_cdrom
= 1;
208 static int default_sdcard
= 1;
209 static int default_vga
= 1;
215 { .driver
= "isa-serial", .flag
= &default_serial
},
216 { .driver
= "isa-parallel", .flag
= &default_parallel
},
217 { .driver
= "isa-fdc", .flag
= &default_floppy
},
218 { .driver
= "ide-cd", .flag
= &default_cdrom
},
219 { .driver
= "ide-hd", .flag
= &default_cdrom
},
220 { .driver
= "ide-drive", .flag
= &default_cdrom
},
221 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
222 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
223 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
224 { .driver
= "VGA", .flag
= &default_vga
},
225 { .driver
= "isa-vga", .flag
= &default_vga
},
226 { .driver
= "cirrus-vga", .flag
= &default_vga
},
227 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
228 { .driver
= "vmware-svga", .flag
= &default_vga
},
229 { .driver
= "qxl-vga", .flag
= &default_vga
},
230 { .driver
= "virtio-vga", .flag
= &default_vga
},
233 static QemuOptsList qemu_rtc_opts
= {
235 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
239 .type
= QEMU_OPT_STRING
,
242 .type
= QEMU_OPT_STRING
,
245 .type
= QEMU_OPT_STRING
,
247 { /* end of list */ }
251 static QemuOptsList qemu_sandbox_opts
= {
253 .implied_opt_name
= "enable",
254 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
258 .type
= QEMU_OPT_BOOL
,
260 { /* end of list */ }
264 static QemuOptsList qemu_trace_opts
= {
266 .implied_opt_name
= "enable",
267 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
271 .type
= QEMU_OPT_STRING
,
275 .type
= QEMU_OPT_STRING
,
278 .type
= QEMU_OPT_STRING
,
280 { /* end of list */ }
284 static QemuOptsList qemu_option_rom_opts
= {
285 .name
= "option-rom",
286 .implied_opt_name
= "romfile",
287 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
291 .type
= QEMU_OPT_NUMBER
,
294 .type
= QEMU_OPT_STRING
,
296 { /* end of list */ }
300 static QemuOptsList qemu_machine_opts
= {
302 .implied_opt_name
= "type",
304 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
315 static QemuOptsList qemu_boot_opts
= {
317 .implied_opt_name
= "order",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_STRING
,
329 .type
= QEMU_OPT_BOOL
,
332 .type
= QEMU_OPT_STRING
,
334 .name
= "splash-time",
335 .type
= QEMU_OPT_STRING
,
337 .name
= "reboot-timeout",
338 .type
= QEMU_OPT_STRING
,
341 .type
= QEMU_OPT_BOOL
,
347 static QemuOptsList qemu_add_fd_opts
= {
349 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
353 .type
= QEMU_OPT_NUMBER
,
354 .help
= "file descriptor of which a duplicate is added to fd set",
357 .type
= QEMU_OPT_NUMBER
,
358 .help
= "ID of the fd set to add fd to",
361 .type
= QEMU_OPT_STRING
,
362 .help
= "free-form string used to describe fd",
364 { /* end of list */ }
368 static QemuOptsList qemu_object_opts
= {
370 .implied_opt_name
= "qom-type",
371 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
377 static QemuOptsList qemu_tpmdev_opts
= {
379 .implied_opt_name
= "type",
380 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
387 static QemuOptsList qemu_realtime_opts
= {
389 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
393 .type
= QEMU_OPT_BOOL
,
395 { /* end of list */ }
399 static QemuOptsList qemu_msg_opts
= {
401 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
405 .type
= QEMU_OPT_BOOL
,
407 { /* end of list */ }
411 static QemuOptsList qemu_name_opts
= {
413 .implied_opt_name
= "guest",
415 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
419 .type
= QEMU_OPT_STRING
,
420 .help
= "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
425 .type
= QEMU_OPT_STRING
,
426 .help
= "Sets the name of the QEMU process, as shown in top etc",
428 .name
= "debug-threads",
429 .type
= QEMU_OPT_BOOL
,
430 .help
= "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
434 { /* End of list */ }
438 static QemuOptsList qemu_mem_opts
= {
440 .implied_opt_name
= "size",
441 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
446 .type
= QEMU_OPT_SIZE
,
450 .type
= QEMU_OPT_NUMBER
,
454 .type
= QEMU_OPT_SIZE
,
456 { /* end of list */ }
460 static QemuOptsList qemu_icount_opts
= {
462 .implied_opt_name
= "shift",
464 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
468 .type
= QEMU_OPT_STRING
,
471 .type
= QEMU_OPT_BOOL
,
474 .type
= QEMU_OPT_BOOL
,
477 .type
= QEMU_OPT_STRING
,
480 .type
= QEMU_OPT_STRING
,
482 { /* end of list */ }
486 static QemuOptsList qemu_semihosting_config_opts
= {
487 .name
= "semihosting-config",
488 .implied_opt_name
= "enable",
489 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
493 .type
= QEMU_OPT_BOOL
,
496 .type
= QEMU_OPT_STRING
,
499 .type
= QEMU_OPT_STRING
,
501 { /* end of list */ }
505 static QemuOptsList qemu_fw_cfg_opts
= {
507 .implied_opt_name
= "name",
508 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
512 .type
= QEMU_OPT_STRING
,
513 .help
= "Sets the fw_cfg name of the blob to be inserted",
516 .type
= QEMU_OPT_STRING
,
517 .help
= "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
521 .type
= QEMU_OPT_STRING
,
522 .help
= "Sets content of the blob to be inserted from a string",
524 { /* end of list */ }
529 * Get machine options
531 * Returns: machine options (never null).
533 QemuOpts
*qemu_get_machine_opts(void)
535 return qemu_find_opts_singleton("machine");
538 const char *qemu_get_vm_name(void)
543 static void res_free(void)
545 g_free(boot_splash_filedata
);
546 boot_splash_filedata
= NULL
;
549 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
551 const char *driver
= qemu_opt_get(opts
, "driver");
556 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
557 if (strcmp(default_list
[i
].driver
, driver
) != 0)
559 *(default_list
[i
].flag
) = 0;
564 /***********************************************************/
567 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested
= RUN_STATE__MAX
;
571 static QemuMutex vmstop_lock
;
576 } RunStateTransition
;
578 static const RunStateTransition runstate_transitions_def
[] = {
580 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
581 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
583 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
584 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
585 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
586 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
587 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
588 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
593 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
594 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
596 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
597 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
599 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
600 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
603 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
605 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
606 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
607 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
609 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
610 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
612 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
614 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
615 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
616 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
617 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
618 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
619 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
620 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
621 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
622 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
623 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
625 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
627 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
628 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
630 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
631 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
632 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
633 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
635 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
636 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
638 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
639 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
641 { RUN_STATE__MAX
, RUN_STATE__MAX
},
644 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
646 bool runstate_check(RunState state
)
648 return current_run_state
== state
;
651 bool runstate_store(char *str
, size_t size
)
653 const char *state
= RunState_lookup
[current_run_state
];
654 size_t len
= strlen(state
) + 1;
659 memcpy(str
, state
, len
);
663 static void runstate_init(void)
665 const RunStateTransition
*p
;
667 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
668 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
669 runstate_valid_transitions
[p
->from
][p
->to
] = true;
672 qemu_mutex_init(&vmstop_lock
);
675 /* This function will abort() on invalid state transitions */
676 void runstate_set(RunState new_state
)
678 assert(new_state
< RUN_STATE__MAX
);
680 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
681 error_report("invalid runstate transition: '%s' -> '%s'",
682 RunState_lookup
[current_run_state
],
683 RunState_lookup
[new_state
]);
686 trace_runstate_set(new_state
);
687 current_run_state
= new_state
;
690 int runstate_is_running(void)
692 return runstate_check(RUN_STATE_RUNNING
);
695 bool runstate_needs_reset(void)
697 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
698 runstate_check(RUN_STATE_SHUTDOWN
);
701 StatusInfo
*qmp_query_status(Error
**errp
)
703 StatusInfo
*info
= g_malloc0(sizeof(*info
));
705 info
->running
= runstate_is_running();
706 info
->singlestep
= singlestep
;
707 info
->status
= current_run_state
;
712 static bool qemu_vmstop_requested(RunState
*r
)
714 qemu_mutex_lock(&vmstop_lock
);
715 *r
= vmstop_requested
;
716 vmstop_requested
= RUN_STATE__MAX
;
717 qemu_mutex_unlock(&vmstop_lock
);
718 return *r
< RUN_STATE__MAX
;
721 void qemu_system_vmstop_request_prepare(void)
723 qemu_mutex_lock(&vmstop_lock
);
726 void qemu_system_vmstop_request(RunState state
)
728 vmstop_requested
= state
;
729 qemu_mutex_unlock(&vmstop_lock
);
737 qemu_vmstop_requested(&requested
);
738 if (runstate_is_running() && requested
== RUN_STATE__MAX
) {
742 /* Ensure that a STOP/RESUME pair of events is emitted if a
743 * vmstop request was pending. The BLOCK_IO_ERROR event, for
744 * example, according to documentation is always followed by
747 if (runstate_is_running()) {
748 qapi_event_send_stop(&error_abort
);
751 runstate_set(RUN_STATE_RUNNING
);
752 vm_state_notify(1, RUN_STATE_RUNNING
);
756 qapi_event_send_resume(&error_abort
);
760 /***********************************************************/
761 /* real time host monotonic timer */
763 static time_t qemu_time(void)
765 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
768 /***********************************************************/
769 /* host time/date access */
770 void qemu_get_timedate(struct tm
*tm
, int offset
)
772 time_t ti
= qemu_time();
775 if (rtc_date_offset
== -1) {
779 localtime_r(&ti
, tm
);
781 ti
-= rtc_date_offset
;
786 int qemu_timedate_diff(struct tm
*tm
)
790 if (rtc_date_offset
== -1)
792 seconds
= mktimegm(tm
);
795 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
796 seconds
= mktime(&tmp
);
799 seconds
= mktimegm(tm
) + rtc_date_offset
;
801 return seconds
- qemu_time();
804 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
806 time_t rtc_start_date
;
809 if (!strcmp(startdate
, "now") && legacy
) {
810 rtc_date_offset
= -1;
812 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
820 } else if (sscanf(startdate
, "%d-%d-%d",
832 rtc_start_date
= mktimegm(&tm
);
833 if (rtc_start_date
== -1) {
835 error_report("invalid date format");
836 error_printf("valid formats: "
837 "'2006-06-17T16:01:21' or '2006-06-17'\n");
840 rtc_date_offset
= qemu_time() - rtc_start_date
;
844 static void configure_rtc(QemuOpts
*opts
)
848 value
= qemu_opt_get(opts
, "base");
850 if (!strcmp(value
, "utc")) {
852 } else if (!strcmp(value
, "localtime")) {
853 Error
*blocker
= NULL
;
855 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
856 "-rtc base=localtime");
857 replay_add_blocker(blocker
);
859 configure_rtc_date_offset(value
, 0);
862 value
= qemu_opt_get(opts
, "clock");
864 if (!strcmp(value
, "host")) {
865 rtc_clock
= QEMU_CLOCK_HOST
;
866 } else if (!strcmp(value
, "rt")) {
867 rtc_clock
= QEMU_CLOCK_REALTIME
;
868 } else if (!strcmp(value
, "vm")) {
869 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
871 error_report("invalid option value '%s'", value
);
875 value
= qemu_opt_get(opts
, "driftfix");
877 if (!strcmp(value
, "slew")) {
878 static GlobalProperty slew_lost_ticks
[] = {
880 .driver
= "mc146818rtc",
881 .property
= "lost_tick_policy",
884 { /* end of list */ }
887 qdev_prop_register_global_list(slew_lost_ticks
);
888 } else if (!strcmp(value
, "none")) {
889 /* discard is default */
891 error_report("invalid option value '%s'", value
);
897 /***********************************************************/
898 /* Bluetooth support */
901 static struct HCIInfo
*hci_table
[MAX_NICS
];
903 struct HCIInfo
*qemu_next_hci(void)
905 if (cur_hci
== nb_hcis
)
908 return hci_table
[cur_hci
++];
911 static int bt_hci_parse(const char *str
)
916 if (nb_hcis
>= MAX_NICS
) {
917 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
930 bdaddr
.b
[5] = 0x56 + nb_hcis
;
931 hci
->bdaddr_set(hci
, bdaddr
.b
);
933 hci_table
[nb_hcis
++] = hci
;
938 static void bt_vhci_add(int vlan_id
)
940 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
943 error_report("warning: adding a VHCI to an empty scatternet %i",
946 bt_vhci_init(bt_new_hci(vlan
));
949 static struct bt_device_s
*bt_device_add(const char *opt
)
951 struct bt_scatternet_s
*vlan
;
953 char *endp
= strstr(opt
, ",vlan=");
954 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
957 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
960 vlan_id
= strtol(endp
+ 6, &endp
, 0);
962 error_report("unrecognised bluetooth vlan Id");
967 vlan
= qemu_find_bt_vlan(vlan_id
);
970 error_report("warning: adding a slave device to an empty scatternet %i",
973 if (!strcmp(devname
, "keyboard"))
974 return bt_keyboard_init(vlan
);
976 error_report("unsupported bluetooth device '%s'", devname
);
980 static int bt_parse(const char *opt
)
982 const char *endp
, *p
;
985 if (strstart(opt
, "hci", &endp
)) {
986 if (!*endp
|| *endp
== ',') {
988 if (!strstart(endp
, ",vlan=", 0))
991 return bt_hci_parse(opt
);
993 } else if (strstart(opt
, "vhci", &endp
)) {
994 if (!*endp
|| *endp
== ',') {
996 if (strstart(endp
, ",vlan=", &p
)) {
997 vlan
= strtol(p
, (char **) &endp
, 0);
999 error_report("bad scatternet '%s'", p
);
1003 error_report("bad parameter '%s'", endp
+ 1);
1012 } else if (strstart(opt
, "device:", &endp
))
1013 return !bt_device_add(endp
);
1015 error_report("bad bluetooth parameter '%s'", opt
);
1019 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts
, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 error_report("failed to install seccomp syscall filter "
1030 error_report("seccomp support is disabled");
1038 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1040 const char *proc_name
;
1042 if (qemu_opt_get(opts
, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1045 qemu_name
= qemu_opt_get(opts
, "guest");
1047 proc_name
= qemu_opt_get(opts
, "process");
1049 os_set_proc_name(proc_name
);
1055 bool defaults_enabled(void)
1057 return has_defaults
;
1060 bool usb_enabled(void)
1062 return machine_usb(current_machine
);
1066 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1068 int fd
, dupfd
, flags
;
1070 const char *fd_opaque
= NULL
;
1073 fd
= qemu_opt_get_number(opts
, "fd", -1);
1074 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1075 fd_opaque
= qemu_opt_get(opts
, "opaque");
1078 error_report("fd option is required and must be non-negative");
1082 if (fd
<= STDERR_FILENO
) {
1083 error_report("fd cannot be a standard I/O stream");
1088 * All fds inherited across exec() necessarily have FD_CLOEXEC
1089 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1091 flags
= fcntl(fd
, F_GETFD
);
1092 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1093 error_report("fd is not valid or already in use");
1098 error_report("set option is required and must be non-negative");
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1107 qemu_set_cloexec(dupfd
);
1111 error_report("error duplicating fd: %s", strerror(errno
));
1115 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1116 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1123 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1127 fd
= qemu_opt_get_number(opts
, "fd", -1);
1134 /***********************************************************/
1135 /* QEMU Block devices */
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1140 #define PFLASH_OPTS ""
1144 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1146 BlockInterfaceType
*block_default_type
= opaque
;
1148 return drive_new(opts
, *block_default_type
) == NULL
;
1151 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1153 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1154 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1159 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1160 int index
, const char *optstr
)
1165 if (!enable
|| drive_get_by_index(type
, index
)) {
1169 opts
= drive_add(type
, index
, NULL
, optstr
);
1171 drive_enable_snapshot(NULL
, opts
, NULL
);
1174 dinfo
= drive_new(opts
, type
);
1178 dinfo
->is_default
= true;
1182 static QemuOptsList qemu_smp_opts
= {
1184 .implied_opt_name
= "cpus",
1185 .merge_lists
= true,
1186 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1190 .type
= QEMU_OPT_NUMBER
,
1193 .type
= QEMU_OPT_NUMBER
,
1196 .type
= QEMU_OPT_NUMBER
,
1199 .type
= QEMU_OPT_NUMBER
,
1202 .type
= QEMU_OPT_NUMBER
,
1204 { /*End of list */ }
1208 static void smp_parse(QemuOpts
*opts
)
1212 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1213 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1214 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1215 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1217 /* compute missing values, prefer sockets over cores over threads */
1218 if (cpus
== 0 || sockets
== 0) {
1219 sockets
= sockets
> 0 ? sockets
: 1;
1220 cores
= cores
> 0 ? cores
: 1;
1221 threads
= threads
> 0 ? threads
: 1;
1223 cpus
= cores
* threads
* sockets
;
1225 } else if (cores
== 0) {
1226 threads
= threads
> 0 ? threads
: 1;
1227 cores
= cpus
/ (sockets
* threads
);
1228 } else if (threads
== 0) {
1229 threads
= cpus
/ (cores
* sockets
);
1230 } else if (sockets
* cores
* threads
< cpus
) {
1231 error_report("cpu topology: "
1232 "sockets (%u) * cores (%u) * threads (%u) < "
1234 sockets
, cores
, threads
, cpus
);
1238 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1239 if (sockets
* cores
* threads
> max_cpus
) {
1240 error_report("cpu topology: "
1241 "sockets (%u) * cores (%u) * threads (%u) > "
1243 sockets
, cores
, threads
, max_cpus
);
1248 smp_cores
= cores
> 0 ? cores
: 1;
1249 smp_threads
= threads
> 0 ? threads
: 1;
1253 if (max_cpus
== 0) {
1254 max_cpus
= smp_cpus
;
1257 if (max_cpus
> MAX_CPUMASK_BITS
) {
1258 error_report("unsupported number of maxcpus");
1261 if (max_cpus
< smp_cpus
) {
1262 error_report("maxcpus must be equal to or greater than smp");
1266 if (smp_cpus
> 1 || smp_cores
> 1 || smp_threads
> 1) {
1267 Error
*blocker
= NULL
;
1268 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1269 replay_add_blocker(blocker
);
1273 static void realtime_init(void)
1276 if (os_mlock() < 0) {
1277 error_report("locking memory failed");
1284 static void configure_msg(QemuOpts
*opts
)
1286 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1289 /***********************************************************/
1292 typedef struct SemihostingConfig
{
1294 SemihostingTarget target
;
1297 const char *cmdline
; /* concatenated argv */
1298 } SemihostingConfig
;
1300 static SemihostingConfig semihosting
;
1302 bool semihosting_enabled(void)
1304 return semihosting
.enabled
;
1307 SemihostingTarget
semihosting_get_target(void)
1309 return semihosting
.target
;
1312 const char *semihosting_get_arg(int i
)
1314 if (i
>= semihosting
.argc
) {
1317 return semihosting
.argv
[i
];
1320 int semihosting_get_argc(void)
1322 return semihosting
.argc
;
1325 const char *semihosting_get_cmdline(void)
1327 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1328 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1330 return semihosting
.cmdline
;
1333 static int add_semihosting_arg(void *opaque
,
1334 const char *name
, const char *val
,
1337 SemihostingConfig
*s
= opaque
;
1338 if (strcmp(name
, "arg") == 0) {
1340 /* one extra element as g_strjoinv() expects NULL-terminated array */
1341 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1342 s
->argv
[s
->argc
- 1] = val
;
1343 s
->argv
[s
->argc
] = NULL
;
1348 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1349 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1354 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1356 /* split -append and initialize argv[1..n] */
1357 cmd_token
= strtok(g_strdup(cmd
), " ");
1359 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1360 cmd_token
= strtok(NULL
, " ");
1364 /* Now we still need this for compatibility with XEN. */
1365 bool has_igd_gfx_passthru
;
1366 static void igd_gfx_passthru(void)
1368 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1371 /***********************************************************/
1374 static int usb_device_add(const char *devname
)
1376 USBDevice
*dev
= NULL
;
1377 #ifndef CONFIG_LINUX
1381 if (!usb_enabled()) {
1385 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1386 dev
= usbdevice_create(devname
);
1390 /* the other ones */
1391 #ifndef CONFIG_LINUX
1392 /* only the linux version is qdev-ified, usb-bsd still needs this */
1393 if (strstart(devname
, "host:", &p
)) {
1394 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1404 static int usb_device_del(const char *devname
)
1409 if (strstart(devname
, "host:", &p
)) {
1413 if (!usb_enabled()) {
1417 p
= strchr(devname
, '.');
1420 bus_num
= strtoul(devname
, NULL
, 0);
1421 addr
= strtoul(p
+ 1, NULL
, 0);
1423 return usb_device_delete_addr(bus_num
, addr
);
1426 static int usb_parse(const char *cmdline
)
1429 r
= usb_device_add(cmdline
);
1431 error_report("could not add USB device '%s'", cmdline
);
1436 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1438 const char *devname
= qdict_get_str(qdict
, "devname");
1439 if (usb_device_add(devname
) < 0) {
1440 error_report("could not add USB device '%s'", devname
);
1444 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1446 const char *devname
= qdict_get_str(qdict
, "devname");
1447 if (usb_device_del(devname
) < 0) {
1448 error_report("could not delete USB device '%s'", devname
);
1452 /***********************************************************/
1453 /* machine registration */
1455 MachineState
*current_machine
;
1457 static MachineClass
*find_machine(const char *name
)
1459 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1460 MachineClass
*mc
= NULL
;
1462 for (el
= machines
; el
; el
= el
->next
) {
1463 MachineClass
*temp
= el
->data
;
1465 if (!strcmp(temp
->name
, name
)) {
1470 !strcmp(temp
->alias
, name
)) {
1476 g_slist_free(machines
);
1480 MachineClass
*find_default_machine(void)
1482 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1483 MachineClass
*mc
= NULL
;
1485 for (el
= machines
; el
; el
= el
->next
) {
1486 MachineClass
*temp
= el
->data
;
1488 if (temp
->is_default
) {
1494 g_slist_free(machines
);
1498 MachineInfoList
*qmp_query_machines(Error
**errp
)
1500 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1501 MachineInfoList
*mach_list
= NULL
;
1503 for (el
= machines
; el
; el
= el
->next
) {
1504 MachineClass
*mc
= el
->data
;
1505 MachineInfoList
*entry
;
1508 info
= g_malloc0(sizeof(*info
));
1509 if (mc
->is_default
) {
1510 info
->has_is_default
= true;
1511 info
->is_default
= true;
1515 info
->has_alias
= true;
1516 info
->alias
= g_strdup(mc
->alias
);
1519 info
->name
= g_strdup(mc
->name
);
1520 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1522 entry
= g_malloc0(sizeof(*entry
));
1523 entry
->value
= info
;
1524 entry
->next
= mach_list
;
1528 g_slist_free(machines
);
1532 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1534 ObjectProperty
*prop
;
1535 ObjectPropertyIterator iter
;
1537 if (!qemu_opt_has_help_opt(opts
)) {
1541 object_property_iter_init(&iter
, OBJECT(machine
));
1542 while ((prop
= object_property_iter_next(&iter
))) {
1547 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1548 prop
->name
, prop
->type
);
1549 if (prop
->description
) {
1550 error_printf(" (%s)\n", prop
->description
);
1559 /***********************************************************/
1560 /* main execution loop */
1562 struct vm_change_state_entry
{
1563 VMChangeStateHandler
*cb
;
1565 QLIST_ENTRY (vm_change_state_entry
) entries
;
1568 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1570 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1573 VMChangeStateEntry
*e
;
1575 e
= g_malloc0(sizeof (*e
));
1579 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1583 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1585 QLIST_REMOVE (e
, entries
);
1589 void vm_state_notify(int running
, RunState state
)
1591 VMChangeStateEntry
*e
, *next
;
1593 trace_vm_state_notify(running
, state
);
1595 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1596 e
->cb(e
->opaque
, running
, state
);
1600 /* reset/shutdown handler */
1602 typedef struct QEMUResetEntry
{
1603 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1604 QEMUResetHandler
*func
;
1608 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1609 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1610 static int reset_requested
;
1611 static int shutdown_requested
, shutdown_signal
= -1;
1612 static pid_t shutdown_pid
;
1613 static int powerdown_requested
;
1614 static int debug_requested
;
1615 static int suspend_requested
;
1616 static WakeupReason wakeup_reason
;
1617 static NotifierList powerdown_notifiers
=
1618 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1619 static NotifierList suspend_notifiers
=
1620 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1621 static NotifierList wakeup_notifiers
=
1622 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1623 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1625 int qemu_shutdown_requested_get(void)
1627 return shutdown_requested
;
1630 int qemu_reset_requested_get(void)
1632 return reset_requested
;
1635 static int qemu_shutdown_requested(void)
1637 return atomic_xchg(&shutdown_requested
, 0);
1640 static void qemu_kill_report(void)
1642 if (!qtest_driver() && shutdown_signal
!= -1) {
1643 if (shutdown_pid
== 0) {
1644 /* This happens for eg ^C at the terminal, so it's worth
1645 * avoiding printing an odd message in that case.
1647 error_report("terminating on signal %d", shutdown_signal
);
1649 error_report("terminating on signal %d from pid " FMT_pid
,
1650 shutdown_signal
, shutdown_pid
);
1652 shutdown_signal
= -1;
1656 static int qemu_reset_requested(void)
1658 int r
= reset_requested
;
1659 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1660 reset_requested
= 0;
1666 static int qemu_suspend_requested(void)
1668 int r
= suspend_requested
;
1669 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1670 suspend_requested
= 0;
1676 static WakeupReason
qemu_wakeup_requested(void)
1678 return wakeup_reason
;
1681 static int qemu_powerdown_requested(void)
1683 int r
= powerdown_requested
;
1684 powerdown_requested
= 0;
1688 static int qemu_debug_requested(void)
1690 int r
= debug_requested
;
1691 debug_requested
= 0;
1695 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1697 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1700 re
->opaque
= opaque
;
1701 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1704 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1708 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1709 if (re
->func
== func
&& re
->opaque
== opaque
) {
1710 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1717 void qemu_devices_reset(void)
1719 QEMUResetEntry
*re
, *nre
;
1721 /* reset all devices */
1722 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1723 re
->func(re
->opaque
);
1727 void qemu_system_reset(bool report
)
1731 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1733 if (mc
&& mc
->reset
) {
1736 qemu_devices_reset();
1739 qapi_event_send_reset(&error_abort
);
1741 cpu_synchronize_all_post_reset();
1744 void qemu_system_guest_panicked(void)
1747 current_cpu
->crash_occurred
= true;
1749 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1750 vm_stop(RUN_STATE_GUEST_PANICKED
);
1753 void qemu_system_reset_request(void)
1756 shutdown_requested
= 1;
1758 reset_requested
= 1;
1761 qemu_notify_event();
1764 static void qemu_system_suspend(void)
1767 notifier_list_notify(&suspend_notifiers
, NULL
);
1768 runstate_set(RUN_STATE_SUSPENDED
);
1769 qapi_event_send_suspend(&error_abort
);
1772 void qemu_system_suspend_request(void)
1774 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1777 suspend_requested
= 1;
1779 qemu_notify_event();
1782 void qemu_register_suspend_notifier(Notifier
*notifier
)
1784 notifier_list_add(&suspend_notifiers
, notifier
);
1787 void qemu_system_wakeup_request(WakeupReason reason
)
1789 trace_system_wakeup_request(reason
);
1791 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1794 if (!(wakeup_reason_mask
& (1 << reason
))) {
1797 runstate_set(RUN_STATE_RUNNING
);
1798 wakeup_reason
= reason
;
1799 qemu_notify_event();
1802 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1805 wakeup_reason_mask
|= (1 << reason
);
1807 wakeup_reason_mask
&= ~(1 << reason
);
1811 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1813 notifier_list_add(&wakeup_notifiers
, notifier
);
1816 void qemu_system_killed(int signal
, pid_t pid
)
1818 shutdown_signal
= signal
;
1822 /* Cannot call qemu_system_shutdown_request directly because
1823 * we are in a signal handler.
1825 shutdown_requested
= 1;
1826 qemu_notify_event();
1829 void qemu_system_shutdown_request(void)
1831 trace_qemu_system_shutdown_request();
1832 replay_shutdown_request();
1833 shutdown_requested
= 1;
1834 qemu_notify_event();
1837 static void qemu_system_powerdown(void)
1839 qapi_event_send_powerdown(&error_abort
);
1840 notifier_list_notify(&powerdown_notifiers
, NULL
);
1843 void qemu_system_powerdown_request(void)
1845 trace_qemu_system_powerdown_request();
1846 powerdown_requested
= 1;
1847 qemu_notify_event();
1850 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1852 notifier_list_add(&powerdown_notifiers
, notifier
);
1855 void qemu_system_debug_request(void)
1857 debug_requested
= 1;
1858 qemu_notify_event();
1861 static bool main_loop_should_exit(void)
1864 if (qemu_debug_requested()) {
1865 vm_stop(RUN_STATE_DEBUG
);
1867 if (qemu_suspend_requested()) {
1868 qemu_system_suspend();
1870 if (qemu_shutdown_requested()) {
1872 qapi_event_send_shutdown(&error_abort
);
1874 vm_stop(RUN_STATE_SHUTDOWN
);
1879 if (qemu_reset_requested()) {
1881 cpu_synchronize_all_states();
1882 qemu_system_reset(VMRESET_REPORT
);
1884 if (runstate_needs_reset()) {
1885 runstate_set(RUN_STATE_PAUSED
);
1888 if (qemu_wakeup_requested()) {
1890 cpu_synchronize_all_states();
1891 qemu_system_reset(VMRESET_SILENT
);
1892 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1893 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1895 qapi_event_send_wakeup(&error_abort
);
1897 if (qemu_powerdown_requested()) {
1898 qemu_system_powerdown();
1900 if (qemu_vmstop_requested(&r
)) {
1906 static void main_loop(void)
1910 #ifdef CONFIG_PROFILER
1914 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1915 #ifdef CONFIG_PROFILER
1916 ti
= profile_getclock();
1918 last_io
= main_loop_wait(nonblocking
);
1919 #ifdef CONFIG_PROFILER
1920 dev_time
+= profile_getclock() - ti
;
1922 } while (!main_loop_should_exit());
1925 static void version(void)
1927 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1930 static void help(int exitcode
)
1933 printf("usage: %s [options] [disk_image]\n\n"
1934 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1935 error_get_progname());
1937 #define QEMU_OPTIONS_GENERATE_HELP
1938 #include "qemu-options-wrapper.h"
1940 printf("\nDuring emulation, the following keys are useful:\n"
1941 "ctrl-alt-f toggle full screen\n"
1942 "ctrl-alt-n switch to virtual console 'n'\n"
1943 "ctrl-alt toggle mouse and keyboard grab\n"
1945 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1950 #define HAS_ARG 0x0001
1952 typedef struct QEMUOption
{
1959 static const QEMUOption qemu_options
[] = {
1960 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1961 #define QEMU_OPTIONS_GENERATE_OPTIONS
1962 #include "qemu-options-wrapper.h"
1966 static bool vga_available(void)
1968 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1971 static bool cirrus_vga_available(void)
1973 return object_class_by_name("cirrus-vga")
1974 || object_class_by_name("isa-cirrus-vga");
1977 static bool vmware_vga_available(void)
1979 return object_class_by_name("vmware-svga");
1982 static bool qxl_vga_available(void)
1984 return object_class_by_name("qxl-vga");
1987 static bool tcx_vga_available(void)
1989 return object_class_by_name("SUNW,tcx");
1992 static bool cg3_vga_available(void)
1994 return object_class_by_name("cgthree");
1997 static bool virtio_vga_available(void)
1999 return object_class_by_name("virtio-vga");
2002 static void select_vgahw (const char *p
)
2006 assert(vga_interface_type
== VGA_NONE
);
2007 if (strstart(p
, "std", &opts
)) {
2008 if (vga_available()) {
2009 vga_interface_type
= VGA_STD
;
2011 error_report("standard VGA not available");
2014 } else if (strstart(p
, "cirrus", &opts
)) {
2015 if (cirrus_vga_available()) {
2016 vga_interface_type
= VGA_CIRRUS
;
2018 error_report("Cirrus VGA not available");
2021 } else if (strstart(p
, "vmware", &opts
)) {
2022 if (vmware_vga_available()) {
2023 vga_interface_type
= VGA_VMWARE
;
2025 error_report("VMWare SVGA not available");
2028 } else if (strstart(p
, "virtio", &opts
)) {
2029 if (virtio_vga_available()) {
2030 vga_interface_type
= VGA_VIRTIO
;
2032 error_report("Virtio VGA not available");
2035 } else if (strstart(p
, "xenfb", &opts
)) {
2036 vga_interface_type
= VGA_XENFB
;
2037 } else if (strstart(p
, "qxl", &opts
)) {
2038 if (qxl_vga_available()) {
2039 vga_interface_type
= VGA_QXL
;
2041 error_report("QXL VGA not available");
2044 } else if (strstart(p
, "tcx", &opts
)) {
2045 if (tcx_vga_available()) {
2046 vga_interface_type
= VGA_TCX
;
2048 error_report("TCX framebuffer not available");
2051 } else if (strstart(p
, "cg3", &opts
)) {
2052 if (cg3_vga_available()) {
2053 vga_interface_type
= VGA_CG3
;
2055 error_report("CG3 framebuffer not available");
2058 } else if (!strstart(p
, "none", &opts
)) {
2060 error_report("unknown vga type: %s", p
);
2064 const char *nextopt
;
2066 if (strstart(opts
, ",retrace=", &nextopt
)) {
2068 if (strstart(opts
, "dumb", &nextopt
))
2069 vga_retrace_method
= VGA_RETRACE_DUMB
;
2070 else if (strstart(opts
, "precise", &nextopt
))
2071 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2072 else goto invalid_vga
;
2073 } else goto invalid_vga
;
2078 static DisplayType
select_display(const char *p
)
2081 DisplayType display
= DT_DEFAULT
;
2083 if (strstart(p
, "sdl", &opts
)) {
2087 const char *nextopt
;
2089 if (strstart(opts
, ",frame=", &nextopt
)) {
2091 if (strstart(opts
, "on", &nextopt
)) {
2093 } else if (strstart(opts
, "off", &nextopt
)) {
2096 goto invalid_sdl_args
;
2098 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2100 if (strstart(opts
, "on", &nextopt
)) {
2102 } else if (strstart(opts
, "off", &nextopt
)) {
2105 goto invalid_sdl_args
;
2107 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2109 if (strstart(opts
, "on", &nextopt
)) {
2111 } else if (strstart(opts
, "off", &nextopt
)) {
2114 goto invalid_sdl_args
;
2116 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2118 if (strstart(opts
, "on", &nextopt
)) {
2120 } else if (strstart(opts
, "off", &nextopt
)) {
2123 goto invalid_sdl_args
;
2125 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2127 if (strstart(opts
, "on", &nextopt
)) {
2129 } else if (strstart(opts
, "off", &nextopt
)) {
2132 goto invalid_sdl_args
;
2136 error_report("invalid SDL option string");
2142 error_report("SDL support is disabled");
2145 } else if (strstart(p
, "vnc", &opts
)) {
2149 if (vnc_parse(opts
+ 1, &err
) == NULL
) {
2150 error_report_err(err
);
2154 error_report("VNC requires a display argument vnc=<display>");
2158 error_report("VNC support is disabled");
2161 } else if (strstart(p
, "curses", &opts
)) {
2162 #ifdef CONFIG_CURSES
2163 display
= DT_CURSES
;
2165 error_report("curses support is disabled");
2168 } else if (strstart(p
, "gtk", &opts
)) {
2172 const char *nextopt
;
2174 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2176 if (strstart(opts
, "on", &nextopt
)) {
2177 grab_on_hover
= true;
2178 } else if (strstart(opts
, "off", &nextopt
)) {
2179 grab_on_hover
= false;
2181 goto invalid_gtk_args
;
2183 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2185 if (strstart(opts
, "on", &nextopt
)) {
2187 } else if (strstart(opts
, "off", &nextopt
)) {
2190 goto invalid_gtk_args
;
2194 error_report("invalid GTK option string");
2200 error_report("GTK support is disabled");
2203 } else if (strstart(p
, "none", &opts
)) {
2206 error_report("unknown display type");
2213 static int balloon_parse(const char *arg
)
2217 if (strcmp(arg
, "none") == 0) {
2221 if (!strncmp(arg
, "virtio", 6)) {
2222 if (arg
[6] == ',') {
2223 /* have params -> parse them */
2224 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2229 /* create empty opts */
2230 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2233 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2240 char *qemu_find_file(int type
, const char *name
)
2246 /* Try the name as a straight path first */
2247 if (access(name
, R_OK
) == 0) {
2248 trace_load_file(name
, name
);
2249 return g_strdup(name
);
2253 case QEMU_FILE_TYPE_BIOS
:
2256 case QEMU_FILE_TYPE_KEYMAP
:
2257 subdir
= "keymaps/";
2263 for (i
= 0; i
< data_dir_idx
; i
++) {
2264 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2265 if (access(buf
, R_OK
) == 0) {
2266 trace_load_file(name
, buf
);
2274 static inline bool nonempty_str(const char *str
)
2279 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2283 const char *name
, *file
, *str
;
2285 if (opaque
== NULL
) {
2286 error_report("fw_cfg device not available");
2289 name
= qemu_opt_get(opts
, "name");
2290 file
= qemu_opt_get(opts
, "file");
2291 str
= qemu_opt_get(opts
, "string");
2293 /* we need name and either a file or the content string */
2294 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2295 error_report("invalid argument(s)");
2298 if (nonempty_str(file
) && nonempty_str(str
)) {
2299 error_report("file and string are mutually exclusive");
2302 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2303 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2306 if (strncmp(name
, "opt/", 4) != 0) {
2307 error_report("warning: externally provided fw_cfg item names "
2308 "should be prefixed with \"opt/\"");
2310 if (nonempty_str(str
)) {
2311 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2312 buf
= g_memdup(str
, size
);
2314 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2315 error_report("can't load %s", file
);
2319 fw_cfg_add_file((FWCfgState
*)opaque
, name
, buf
, size
);
2323 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2325 return qdev_device_help(opts
);
2328 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2333 dev
= qdev_device_add(opts
, &err
);
2335 error_report_err(err
);
2338 object_unref(OBJECT(dev
));
2342 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2344 Error
*local_err
= NULL
;
2346 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2348 error_report_err(local_err
);
2354 #ifdef CONFIG_VIRTFS
2355 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2358 ret
= qemu_fsdev_add(opts
);
2364 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2366 CharDriverState
*chr
;
2367 const char *chardev
;
2371 mode
= qemu_opt_get(opts
, "mode");
2375 if (strcmp(mode
, "readline") == 0) {
2376 flags
= MONITOR_USE_READLINE
;
2377 } else if (strcmp(mode
, "control") == 0) {
2378 flags
= MONITOR_USE_CONTROL
;
2380 error_report("unknown monitor mode \"%s\"", mode
);
2384 if (qemu_opt_get_bool(opts
, "pretty", 0))
2385 flags
|= MONITOR_USE_PRETTY
;
2387 if (qemu_opt_get_bool(opts
, "default", 0))
2388 flags
|= MONITOR_IS_DEFAULT
;
2390 chardev
= qemu_opt_get(opts
, "chardev");
2391 chr
= qemu_chr_find(chardev
);
2393 error_report("chardev \"%s\" not found", chardev
);
2397 qemu_chr_fe_claim_no_fail(chr
);
2398 monitor_init(chr
, flags
);
2402 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2404 static int monitor_device_index
= 0;
2405 Error
*local_err
= NULL
;
2411 if (strstart(optarg
, "chardev:", &p
)) {
2412 snprintf(label
, sizeof(label
), "%s", p
);
2414 snprintf(label
, sizeof(label
), "compat_monitor%d",
2415 monitor_device_index
);
2416 if (monitor_device_index
== 0) {
2419 opts
= qemu_chr_parse_compat(label
, optarg
);
2421 error_report("parse error: %s", optarg
);
2426 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2428 error_report_err(local_err
);
2431 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2432 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2433 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2435 qemu_opt_set(opts
, "default", "on", &error_abort
);
2436 monitor_device_index
++;
2439 struct device_config
{
2441 DEV_USB
, /* -usbdevice */
2443 DEV_SERIAL
, /* -serial */
2444 DEV_PARALLEL
, /* -parallel */
2445 DEV_VIRTCON
, /* -virtioconsole */
2446 DEV_DEBUGCON
, /* -debugcon */
2447 DEV_GDB
, /* -gdb, -s */
2448 DEV_SCLP
, /* s390 sclp */
2450 const char *cmdline
;
2452 QTAILQ_ENTRY(device_config
) next
;
2455 static QTAILQ_HEAD(, device_config
) device_configs
=
2456 QTAILQ_HEAD_INITIALIZER(device_configs
);
2458 static void add_device_config(int type
, const char *cmdline
)
2460 struct device_config
*conf
;
2462 conf
= g_malloc0(sizeof(*conf
));
2464 conf
->cmdline
= cmdline
;
2465 loc_save(&conf
->loc
);
2466 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2469 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2471 struct device_config
*conf
;
2474 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2475 if (conf
->type
!= type
)
2477 loc_push_restore(&conf
->loc
);
2478 rc
= func(conf
->cmdline
);
2479 loc_pop(&conf
->loc
);
2487 static int serial_parse(const char *devname
)
2489 static int index
= 0;
2492 if (strcmp(devname
, "none") == 0)
2494 if (index
== MAX_SERIAL_PORTS
) {
2495 error_report("too many serial ports");
2498 snprintf(label
, sizeof(label
), "serial%d", index
);
2499 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2500 if (!serial_hds
[index
]) {
2501 error_report("could not connect serial device"
2502 " to character backend '%s'", devname
);
2509 static int parallel_parse(const char *devname
)
2511 static int index
= 0;
2514 if (strcmp(devname
, "none") == 0)
2516 if (index
== MAX_PARALLEL_PORTS
) {
2517 error_report("too many parallel ports");
2520 snprintf(label
, sizeof(label
), "parallel%d", index
);
2521 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2522 if (!parallel_hds
[index
]) {
2523 error_report("could not connect parallel device"
2524 " to character backend '%s'", devname
);
2531 static int virtcon_parse(const char *devname
)
2533 QemuOptsList
*device
= qemu_find_opts("device");
2534 static int index
= 0;
2536 QemuOpts
*bus_opts
, *dev_opts
;
2538 if (strcmp(devname
, "none") == 0)
2540 if (index
== MAX_VIRTIO_CONSOLES
) {
2541 error_report("too many virtio consoles");
2545 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2546 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2548 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2549 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2551 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2552 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2553 if (!virtcon_hds
[index
]) {
2554 error_report("could not connect virtio console"
2555 " to character backend '%s'", devname
);
2558 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2564 static int sclp_parse(const char *devname
)
2566 QemuOptsList
*device
= qemu_find_opts("device");
2567 static int index
= 0;
2571 if (strcmp(devname
, "none") == 0) {
2574 if (index
== MAX_SCLP_CONSOLES
) {
2575 error_report("too many sclp consoles");
2579 assert(arch_type
== QEMU_ARCH_S390X
);
2581 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2582 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2584 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2585 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2586 if (!sclp_hds
[index
]) {
2587 error_report("could not connect sclp console"
2588 " to character backend '%s'", devname
);
2591 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2597 static int debugcon_parse(const char *devname
)
2601 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2604 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2606 error_report("already have a debugcon device");
2609 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2610 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2614 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2616 const MachineClass
*mc1
= a
, *mc2
= b
;
2619 if (mc1
->family
== NULL
) {
2620 if (mc2
->family
== NULL
) {
2621 /* Compare standalone machine types against each other; they sort
2622 * in increasing order.
2624 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2625 object_class_get_name(OBJECT_CLASS(mc2
)));
2628 /* Standalone machine types sort after families. */
2632 if (mc2
->family
== NULL
) {
2633 /* Families sort before standalone machine types. */
2637 /* Families sort between each other alphabetically increasingly. */
2638 res
= strcmp(mc1
->family
, mc2
->family
);
2643 /* Within the same family, machine types sort in decreasing order. */
2644 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2645 object_class_get_name(OBJECT_CLASS(mc1
)));
2648 static MachineClass
*machine_parse(const char *name
)
2650 MachineClass
*mc
= NULL
;
2651 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2654 mc
= find_machine(name
);
2657 g_slist_free(machines
);
2660 if (name
&& !is_help_option(name
)) {
2661 error_report("unsupported machine type");
2662 error_printf("Use -machine help to list supported machines\n");
2664 printf("Supported machines are:\n");
2665 machines
= g_slist_sort(machines
, machine_class_cmp
);
2666 for (el
= machines
; el
; el
= el
->next
) {
2667 MachineClass
*mc
= el
->data
;
2669 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2671 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2672 mc
->is_default
? " (default)" : "");
2676 g_slist_free(machines
);
2677 exit(!name
|| !is_help_option(name
));
2680 void qemu_add_exit_notifier(Notifier
*notify
)
2682 notifier_list_add(&exit_notifiers
, notify
);
2685 void qemu_remove_exit_notifier(Notifier
*notify
)
2687 notifier_remove(notify
);
2690 static void qemu_run_exit_notifiers(void)
2692 notifier_list_notify(&exit_notifiers
, NULL
);
2695 static bool machine_init_done
;
2697 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2699 notifier_list_add(&machine_init_done_notifiers
, notify
);
2700 if (machine_init_done
) {
2701 notify
->notify(notify
, NULL
);
2705 static void qemu_run_machine_init_done_notifiers(void)
2707 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2708 machine_init_done
= true;
2711 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2712 const char **poptarg
, int *poptind
)
2714 const QEMUOption
*popt
;
2715 int optind
= *poptind
;
2716 char *r
= argv
[optind
];
2719 loc_set_cmdline(argv
, optind
, 1);
2721 /* Treat --foo the same as -foo. */
2724 popt
= qemu_options
;
2727 error_report("invalid option");
2730 if (!strcmp(popt
->name
, r
+ 1))
2734 if (popt
->flags
& HAS_ARG
) {
2735 if (optind
>= argc
) {
2736 error_report("requires an argument");
2739 optarg
= argv
[optind
++];
2740 loc_set_cmdline(argv
, optind
- 2, 2);
2751 static int machine_set_property(void *opaque
,
2752 const char *name
, const char *value
,
2755 Object
*obj
= OBJECT(opaque
);
2756 Error
*local_err
= NULL
;
2759 if (strcmp(name
, "type") == 0) {
2763 qom_name
= g_strdup(name
);
2771 object_property_parse(obj
, value
, qom_name
, &local_err
);
2775 error_report_err(local_err
);
2784 * Initial object creation happens before all other
2785 * QEMU data types are created. The majority of objects
2786 * can be created at this point. The rng-egd object
2787 * cannot be created here, as it depends on the chardev
2790 static bool object_create_initial(const char *type
)
2792 if (g_str_equal(type
, "rng-egd")) {
2797 * return false for concrete netfilters since
2798 * they depend on netdevs already existing
2800 if (g_str_equal(type
, "filter-buffer") ||
2801 g_str_equal(type
, "filter-dump")) {
2810 * The remainder of object creation happens after the
2811 * creation of chardev, fsdev, net clients and device data types.
2813 static bool object_create_delayed(const char *type
)
2815 return !object_create_initial(type
);
2819 static int object_create(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2827 bool (*type_predicate
)(const char *) = opaque
;
2829 ov
= opts_visitor_new(opts
);
2830 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2832 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2837 qdict_del(pdict
, "qom-type");
2838 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2842 if (!type_predicate(type
)) {
2846 qdict_del(pdict
, "id");
2847 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2852 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2856 visit_end_struct(opts_get_visitor(ov
), &err
);
2858 qmp_object_del(id
, NULL
);
2862 opts_visitor_cleanup(ov
);
2869 error_report_err(err
);
2875 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2879 const char *mem_str
;
2880 const char *maxmem_str
, *slots_str
;
2881 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2882 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2885 mem_str
= qemu_opt_get(opts
, "size");
2888 error_report("missing 'size' option value");
2892 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2894 /* Fix up legacy suffix-less format */
2895 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2896 uint64_t overflow_check
= sz
;
2899 if ((sz
>> 20) != overflow_check
) {
2900 error_report("too large 'size' option value");
2906 /* backward compatibility behaviour for case "-m 0" */
2908 sz
= default_ram_size
;
2911 sz
= QEMU_ALIGN_UP(sz
, 8192);
2913 if (ram_size
!= sz
) {
2914 error_report("ram size too large");
2918 /* store value for the future use */
2919 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2920 *maxram_size
= ram_size
;
2922 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2923 slots_str
= qemu_opt_get(opts
, "slots");
2924 if (maxmem_str
&& slots_str
) {
2927 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2928 slots
= qemu_opt_get_number(opts
, "slots", 0);
2929 if (sz
< ram_size
) {
2930 error_report("invalid value of -m option maxmem: "
2931 "maximum memory size (0x%" PRIx64
") must be at least "
2932 "the initial memory size (0x" RAM_ADDR_FMT
")",
2935 } else if (sz
> ram_size
) {
2937 error_report("invalid value of -m option: maxmem was "
2938 "specified, but no hotplug slots were specified");
2942 error_report("invalid value of -m option maxmem: "
2943 "memory slots were specified but maximum memory size "
2944 "(0x%" PRIx64
") is equal to the initial memory size "
2945 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2951 } else if ((!maxmem_str
&& slots_str
) ||
2952 (maxmem_str
&& !slots_str
)) {
2953 error_report("invalid -m option value: missing "
2954 "'%s' option", slots_str
? "maxmem" : "slots");
2959 int main(int argc
, char **argv
, char **envp
)
2962 int snapshot
, linux_boot
;
2963 const char *initrd_filename
;
2964 const char *kernel_filename
, *kernel_cmdline
;
2965 const char *boot_order
= NULL
;
2966 const char *boot_once
= NULL
;
2968 int cyls
, heads
, secs
, translation
;
2969 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2970 QemuOptsList
*olist
;
2973 const char *loadvm
= NULL
;
2974 MachineClass
*machine_class
;
2975 const char *cpu_model
;
2976 const char *vga_model
= NULL
;
2977 const char *qtest_chrdev
= NULL
;
2978 const char *qtest_log
= NULL
;
2979 const char *pid_file
= NULL
;
2980 const char *incoming
= NULL
;
2982 int show_vnc_port
= 0;
2984 bool defconfig
= true;
2985 bool userconfig
= true;
2986 const char *log_mask
= NULL
;
2987 const char *log_file
= NULL
;
2988 char *trace_file
= NULL
;
2989 ram_addr_t maxram_size
;
2990 uint64_t ram_slots
= 0;
2991 FILE *vmstate_dump_file
= NULL
;
2992 Error
*main_loop_err
= NULL
;
2995 qemu_init_cpu_loop();
2996 qemu_mutex_lock_iothread();
2998 atexit(qemu_run_exit_notifiers
);
2999 error_set_progname(argv
[0]);
3000 qemu_init_exec_dir(argv
[0]);
3002 module_call_init(MODULE_INIT_QOM
);
3004 qemu_add_opts(&qemu_drive_opts
);
3005 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3006 qemu_add_drive_opts(&qemu_common_drive_opts
);
3007 qemu_add_drive_opts(&qemu_drive_opts
);
3008 qemu_add_opts(&qemu_chardev_opts
);
3009 qemu_add_opts(&qemu_device_opts
);
3010 qemu_add_opts(&qemu_netdev_opts
);
3011 qemu_add_opts(&qemu_net_opts
);
3012 qemu_add_opts(&qemu_rtc_opts
);
3013 qemu_add_opts(&qemu_global_opts
);
3014 qemu_add_opts(&qemu_mon_opts
);
3015 qemu_add_opts(&qemu_trace_opts
);
3016 qemu_add_opts(&qemu_option_rom_opts
);
3017 qemu_add_opts(&qemu_machine_opts
);
3018 qemu_add_opts(&qemu_mem_opts
);
3019 qemu_add_opts(&qemu_smp_opts
);
3020 qemu_add_opts(&qemu_boot_opts
);
3021 qemu_add_opts(&qemu_sandbox_opts
);
3022 qemu_add_opts(&qemu_add_fd_opts
);
3023 qemu_add_opts(&qemu_object_opts
);
3024 qemu_add_opts(&qemu_tpmdev_opts
);
3025 qemu_add_opts(&qemu_realtime_opts
);
3026 qemu_add_opts(&qemu_msg_opts
);
3027 qemu_add_opts(&qemu_name_opts
);
3028 qemu_add_opts(&qemu_numa_opts
);
3029 qemu_add_opts(&qemu_icount_opts
);
3030 qemu_add_opts(&qemu_semihosting_config_opts
);
3031 qemu_add_opts(&qemu_fw_cfg_opts
);
3035 if (qcrypto_init(&err
) < 0) {
3036 error_reportf_err(err
, "cannot initialize crypto: ");
3039 rtc_clock
= QEMU_CLOCK_HOST
;
3041 QLIST_INIT (&vm_change_state_head
);
3042 os_setup_early_signal_handling();
3044 module_call_init(MODULE_INIT_MACHINE
);
3045 machine_class
= find_default_machine();
3048 cyls
= heads
= secs
= 0;
3049 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3053 bdrv_init_with_whitelist();
3057 /* first pass of option parsing */
3059 while (optind
< argc
) {
3060 if (argv
[optind
][0] != '-') {
3064 const QEMUOption
*popt
;
3066 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3067 switch (popt
->index
) {
3068 case QEMU_OPTION_nodefconfig
:
3071 case QEMU_OPTION_nouserconfig
:
3080 ret
= qemu_read_default_config_files(userconfig
);
3086 /* second pass of option parsing */
3091 if (argv
[optind
][0] != '-') {
3092 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3094 const QEMUOption
*popt
;
3096 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3097 if (!(popt
->arch_mask
& arch_type
)) {
3098 printf("Option %s not supported for this target\n", popt
->name
);
3101 switch(popt
->index
) {
3102 case QEMU_OPTION_no_kvm_irqchip
: {
3103 olist
= qemu_find_opts("machine");
3104 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3107 case QEMU_OPTION_cpu
:
3108 /* hw initialization will check this */
3111 case QEMU_OPTION_hda
:
3115 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3117 snprintf(buf
, sizeof(buf
),
3118 "%s,cyls=%d,heads=%d,secs=%d%s",
3119 HD_OPTS
, cyls
, heads
, secs
,
3120 translation
== BIOS_ATA_TRANSLATION_LBA
?
3122 translation
== BIOS_ATA_TRANSLATION_NONE
?
3123 ",trans=none" : "");
3124 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3127 case QEMU_OPTION_hdb
:
3128 case QEMU_OPTION_hdc
:
3129 case QEMU_OPTION_hdd
:
3130 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3133 case QEMU_OPTION_drive
:
3134 if (drive_def(optarg
) == NULL
) {
3138 case QEMU_OPTION_set
:
3139 if (qemu_set_option(optarg
) != 0)
3142 case QEMU_OPTION_global
:
3143 if (qemu_global_option(optarg
) != 0)
3146 case QEMU_OPTION_mtdblock
:
3147 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3149 case QEMU_OPTION_sd
:
3150 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3152 case QEMU_OPTION_pflash
:
3153 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3155 case QEMU_OPTION_snapshot
:
3158 case QEMU_OPTION_hdachs
:
3162 cyls
= strtol(p
, (char **)&p
, 0);
3163 if (cyls
< 1 || cyls
> 16383)
3168 heads
= strtol(p
, (char **)&p
, 0);
3169 if (heads
< 1 || heads
> 16)
3174 secs
= strtol(p
, (char **)&p
, 0);
3175 if (secs
< 1 || secs
> 63)
3179 if (!strcmp(p
, "large")) {
3180 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3181 } else if (!strcmp(p
, "rechs")) {
3182 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3183 } else if (!strcmp(p
, "none")) {
3184 translation
= BIOS_ATA_TRANSLATION_NONE
;
3185 } else if (!strcmp(p
, "lba")) {
3186 translation
= BIOS_ATA_TRANSLATION_LBA
;
3187 } else if (!strcmp(p
, "auto")) {
3188 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3192 } else if (*p
!= '\0') {
3194 error_report("invalid physical CHS format");
3197 if (hda_opts
!= NULL
) {
3198 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3200 qemu_opt_set_number(hda_opts
, "heads", heads
,
3202 qemu_opt_set_number(hda_opts
, "secs", secs
,
3204 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3205 qemu_opt_set(hda_opts
, "trans", "large",
3207 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3208 qemu_opt_set(hda_opts
, "trans", "rechs",
3210 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3211 qemu_opt_set(hda_opts
, "trans", "lba",
3213 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3214 qemu_opt_set(hda_opts
, "trans", "none",
3220 case QEMU_OPTION_numa
:
3221 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3227 case QEMU_OPTION_display
:
3228 display_type
= select_display(optarg
);
3230 case QEMU_OPTION_nographic
:
3231 display_type
= DT_NOGRAPHIC
;
3233 case QEMU_OPTION_curses
:
3234 #ifdef CONFIG_CURSES
3235 display_type
= DT_CURSES
;
3237 error_report("curses support is disabled");
3241 case QEMU_OPTION_portrait
:
3242 graphic_rotate
= 90;
3244 case QEMU_OPTION_rotate
:
3245 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3246 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3247 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3248 error_report("only 90, 180, 270 deg rotation is available");
3252 case QEMU_OPTION_kernel
:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3256 case QEMU_OPTION_initrd
:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3260 case QEMU_OPTION_append
:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3264 case QEMU_OPTION_dtb
:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3268 case QEMU_OPTION_cdrom
:
3269 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3271 case QEMU_OPTION_boot
:
3272 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3278 case QEMU_OPTION_fda
:
3279 case QEMU_OPTION_fdb
:
3280 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3283 case QEMU_OPTION_no_fd_bootchk
:
3286 case QEMU_OPTION_netdev
:
3287 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3291 case QEMU_OPTION_net
:
3292 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3296 #ifdef CONFIG_LIBISCSI
3297 case QEMU_OPTION_iscsi
:
3298 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3306 case QEMU_OPTION_tftp
:
3307 error_report("The -tftp option is deprecated. "
3308 "Please use '-netdev user,tftp=...' instead.");
3309 legacy_tftp_prefix
= optarg
;
3311 case QEMU_OPTION_bootp
:
3312 error_report("The -bootp option is deprecated. "
3313 "Please use '-netdev user,bootfile=...' instead.");
3314 legacy_bootp_filename
= optarg
;
3316 case QEMU_OPTION_redir
:
3317 error_report("The -redir option is deprecated. "
3318 "Please use '-netdev user,hostfwd=...' instead.");
3319 if (net_slirp_redir(optarg
) < 0)
3323 case QEMU_OPTION_bt
:
3324 add_device_config(DEV_BT
, optarg
);
3326 case QEMU_OPTION_audio_help
:
3330 case QEMU_OPTION_soundhw
:
3331 select_soundhw (optarg
);
3336 case QEMU_OPTION_version
:
3341 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3348 case QEMU_OPTION_tpmdev
:
3349 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3354 case QEMU_OPTION_mempath
:
3357 case QEMU_OPTION_mem_prealloc
:
3367 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3369 case QEMU_OPTION_gdb
:
3370 add_device_config(DEV_GDB
, optarg
);
3373 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3374 data_dir
[data_dir_idx
++] = optarg
;
3377 case QEMU_OPTION_bios
:
3378 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3381 case QEMU_OPTION_singlestep
:
3388 keyboard_layout
= optarg
;
3390 case QEMU_OPTION_localtime
:
3393 case QEMU_OPTION_vga
:
3402 w
= strtol(p
, (char **)&p
, 10);
3405 error_report("invalid resolution or depth");
3411 h
= strtol(p
, (char **)&p
, 10);
3416 depth
= strtol(p
, (char **)&p
, 10);
3417 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3418 depth
!= 24 && depth
!= 32)
3420 } else if (*p
== '\0') {
3421 depth
= graphic_depth
;
3428 graphic_depth
= depth
;
3431 case QEMU_OPTION_echr
:
3434 term_escape_char
= strtol(optarg
, &r
, 0);
3436 printf("Bad argument to echr\n");
3439 case QEMU_OPTION_monitor
:
3440 default_monitor
= 0;
3441 if (strncmp(optarg
, "none", 4)) {
3442 monitor_parse(optarg
, "readline", false);
3445 case QEMU_OPTION_qmp
:
3446 monitor_parse(optarg
, "control", false);
3447 default_monitor
= 0;
3449 case QEMU_OPTION_qmp_pretty
:
3450 monitor_parse(optarg
, "control", true);
3451 default_monitor
= 0;
3453 case QEMU_OPTION_mon
:
3454 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3459 default_monitor
= 0;
3461 case QEMU_OPTION_chardev
:
3462 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3468 case QEMU_OPTION_fsdev
:
3469 olist
= qemu_find_opts("fsdev");
3471 error_report("fsdev support is disabled");
3474 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3479 case QEMU_OPTION_virtfs
: {
3482 const char *writeout
, *sock_fd
, *socket
;
3484 olist
= qemu_find_opts("virtfs");
3486 error_report("virtfs support is disabled");
3489 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3494 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3495 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3496 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3499 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3500 qemu_opt_get(opts
, "mount_tag"),
3503 error_report("duplicate fsdev id: %s",
3504 qemu_opt_get(opts
, "mount_tag"));
3508 writeout
= qemu_opt_get(opts
, "writeout");
3510 #ifdef CONFIG_SYNC_FILE_RANGE
3511 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3513 error_report("writeout=immediate not supported "
3514 "on this platform");
3518 qemu_opt_set(fsdev
, "fsdriver",
3519 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3520 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3522 qemu_opt_set(fsdev
, "security_model",
3523 qemu_opt_get(opts
, "security_model"),
3525 socket
= qemu_opt_get(opts
, "socket");
3527 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3529 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3531 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3534 qemu_opt_set_bool(fsdev
, "readonly",
3535 qemu_opt_get_bool(opts
, "readonly", 0),
3537 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3539 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3540 qemu_opt_set(device
, "fsdev",
3541 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3542 qemu_opt_set(device
, "mount_tag",
3543 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3546 case QEMU_OPTION_virtfs_synth
: {
3550 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3553 error_report("duplicate option: %s", "virtfs_synth");
3556 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3558 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3560 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3561 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3562 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3565 case QEMU_OPTION_serial
:
3566 add_device_config(DEV_SERIAL
, optarg
);
3568 if (strncmp(optarg
, "mon:", 4) == 0) {
3569 default_monitor
= 0;
3572 case QEMU_OPTION_watchdog
:
3574 error_report("only one watchdog option may be given");
3579 case QEMU_OPTION_watchdog_action
:
3580 if (select_watchdog_action(optarg
) == -1) {
3581 error_report("unknown -watchdog-action parameter");
3585 case QEMU_OPTION_virtiocon
:
3586 add_device_config(DEV_VIRTCON
, optarg
);
3587 default_virtcon
= 0;
3588 if (strncmp(optarg
, "mon:", 4) == 0) {
3589 default_monitor
= 0;
3592 case QEMU_OPTION_parallel
:
3593 add_device_config(DEV_PARALLEL
, optarg
);
3594 default_parallel
= 0;
3595 if (strncmp(optarg
, "mon:", 4) == 0) {
3596 default_monitor
= 0;
3599 case QEMU_OPTION_debugcon
:
3600 add_device_config(DEV_DEBUGCON
, optarg
);
3602 case QEMU_OPTION_loadvm
:
3605 case QEMU_OPTION_full_screen
:
3608 case QEMU_OPTION_no_frame
:
3611 case QEMU_OPTION_alt_grab
:
3614 case QEMU_OPTION_ctrl_grab
:
3617 case QEMU_OPTION_no_quit
:
3620 case QEMU_OPTION_sdl
:
3622 display_type
= DT_SDL
;
3625 error_report("SDL support is disabled");
3628 case QEMU_OPTION_pidfile
:
3631 case QEMU_OPTION_win2k_hack
:
3632 win2k_install_hack
= 1;
3634 case QEMU_OPTION_rtc_td_hack
: {
3635 static GlobalProperty slew_lost_ticks
[] = {
3637 .driver
= "mc146818rtc",
3638 .property
= "lost_tick_policy",
3641 { /* end of list */ }
3644 qdev_prop_register_global_list(slew_lost_ticks
);
3647 case QEMU_OPTION_acpitable
:
3648 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3653 do_acpitable_option(opts
);
3655 case QEMU_OPTION_smbios
:
3656 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3661 do_smbios_option(opts
);
3663 case QEMU_OPTION_fwcfg
:
3664 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3670 case QEMU_OPTION_enable_kvm
:
3671 olist
= qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3675 case QEMU_OPTION_machine
:
3676 olist
= qemu_find_opts("machine");
3677 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3682 case QEMU_OPTION_no_kvm
:
3683 olist
= qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3686 case QEMU_OPTION_no_kvm_pit
: {
3687 error_report("warning: ignoring deprecated option");
3690 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3691 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3693 .driver
= "kvm-pit",
3694 .property
= "lost_tick_policy",
3697 { /* end of list */ }
3700 error_report("warning: deprecated, replaced by "
3701 "-global kvm-pit.lost_tick_policy=discard");
3702 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3705 case QEMU_OPTION_usb
:
3706 olist
= qemu_find_opts("machine");
3707 qemu_opts_parse_noisily(olist
, "usb=on", false);
3709 case QEMU_OPTION_usbdevice
:
3710 olist
= qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist
, "usb=on", false);
3712 add_device_config(DEV_USB
, optarg
);
3714 case QEMU_OPTION_device
:
3715 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3720 case QEMU_OPTION_smp
:
3721 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3726 case QEMU_OPTION_vnc
:
3729 Error
*local_err
= NULL
;
3731 if (vnc_parse(optarg
, &local_err
) == NULL
) {
3732 error_report_err(local_err
);
3736 error_report("VNC support is disabled");
3741 case QEMU_OPTION_no_acpi
:
3744 case QEMU_OPTION_no_hpet
:
3747 case QEMU_OPTION_balloon
:
3748 if (balloon_parse(optarg
) < 0) {
3749 error_report("unknown -balloon argument %s", optarg
);
3753 case QEMU_OPTION_no_reboot
:
3756 case QEMU_OPTION_no_shutdown
:
3759 case QEMU_OPTION_show_cursor
:
3762 case QEMU_OPTION_uuid
:
3763 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3764 error_report("failed to parse UUID string: wrong format");
3767 qemu_uuid_set
= true;
3769 case QEMU_OPTION_option_rom
:
3770 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3771 error_report("too many option ROMs");
3774 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3779 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3780 option_rom
[nb_option_roms
].bootindex
=
3781 qemu_opt_get_number(opts
, "bootindex", -1);
3782 if (!option_rom
[nb_option_roms
].name
) {
3783 error_report("Option ROM file is not specified");
3788 case QEMU_OPTION_semihosting
:
3789 semihosting
.enabled
= true;
3790 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3792 case QEMU_OPTION_semihosting_config
:
3793 semihosting
.enabled
= true;
3794 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3797 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3799 const char *target
= qemu_opt_get(opts
, "target");
3800 if (target
!= NULL
) {
3801 if (strcmp("native", target
) == 0) {
3802 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3803 } else if (strcmp("gdb", target
) == 0) {
3804 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3805 } else if (strcmp("auto", target
) == 0) {
3806 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3808 error_report("unsupported semihosting-config %s",
3813 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3815 /* Set semihosting argument count and vector */
3816 qemu_opt_foreach(opts
, add_semihosting_arg
,
3817 &semihosting
, NULL
);
3819 error_report("unsupported semihosting-config %s", optarg
);
3823 case QEMU_OPTION_tdf
:
3824 error_report("warning: ignoring deprecated option");
3826 case QEMU_OPTION_name
:
3827 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3833 case QEMU_OPTION_prom_env
:
3834 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3835 error_report("too many prom variables");
3838 prom_envs
[nb_prom_envs
] = optarg
;
3841 case QEMU_OPTION_old_param
:
3844 case QEMU_OPTION_clock
:
3845 /* Clock options no longer exist. Keep this option for
3846 * backward compatibility.
3849 case QEMU_OPTION_startdate
:
3850 configure_rtc_date_offset(optarg
, 1);
3852 case QEMU_OPTION_rtc
:
3853 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3858 configure_rtc(opts
);
3860 case QEMU_OPTION_tb_size
:
3861 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3862 if (tcg_tb_size
< 0) {
3866 case QEMU_OPTION_icount
:
3867 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3873 case QEMU_OPTION_incoming
:
3875 runstate_set(RUN_STATE_INMIGRATE
);
3879 case QEMU_OPTION_nodefaults
:
3882 case QEMU_OPTION_xen_domid
:
3883 if (!(xen_available())) {
3884 printf("Option %s not supported for this target\n", popt
->name
);
3887 xen_domid
= atoi(optarg
);
3889 case QEMU_OPTION_xen_create
:
3890 if (!(xen_available())) {
3891 printf("Option %s not supported for this target\n", popt
->name
);
3894 xen_mode
= XEN_CREATE
;
3896 case QEMU_OPTION_xen_attach
:
3897 if (!(xen_available())) {
3898 printf("Option %s not supported for this target\n", popt
->name
);
3901 xen_mode
= XEN_ATTACH
;
3903 case QEMU_OPTION_trace
:
3905 opts
= qemu_opts_parse_noisily(qemu_find_opts("trace"),
3910 if (qemu_opt_get(opts
, "enable")) {
3911 trace_enable_events(qemu_opt_get(opts
, "enable"));
3913 trace_init_events(qemu_opt_get(opts
, "events"));
3917 trace_file
= g_strdup(qemu_opt_get(opts
, "file"));
3918 qemu_opts_del(opts
);
3921 case QEMU_OPTION_readconfig
:
3923 int ret
= qemu_read_config_file(optarg
);
3925 error_report("read config %s: %s", optarg
,
3931 case QEMU_OPTION_spice
:
3932 olist
= qemu_find_opts("spice");
3934 error_report("spice support is disabled");
3937 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3943 case QEMU_OPTION_writeconfig
:
3946 if (strcmp(optarg
, "-") == 0) {
3949 fp
= fopen(optarg
, "w");
3951 error_report("open %s: %s", optarg
,
3956 qemu_config_write(fp
);
3962 case QEMU_OPTION_qtest
:
3963 qtest_chrdev
= optarg
;
3965 case QEMU_OPTION_qtest_log
:
3968 case QEMU_OPTION_sandbox
:
3969 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3975 case QEMU_OPTION_add_fd
:
3977 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3983 error_report("File descriptor passing is disabled on this "
3988 case QEMU_OPTION_object
:
3989 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3995 case QEMU_OPTION_realtime
:
3996 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4001 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
4003 case QEMU_OPTION_msg
:
4004 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
4009 configure_msg(opts
);
4011 case QEMU_OPTION_dump_vmstate
:
4012 if (vmstate_dump_file
) {
4013 error_report("only one '-dump-vmstate' "
4014 "option may be given");
4017 vmstate_dump_file
= fopen(optarg
, "w");
4018 if (vmstate_dump_file
== NULL
) {
4019 error_report("open %s: %s", optarg
, strerror(errno
));
4024 os_parse_cmd_args(popt
->index
, optarg
);
4029 replay_configure(icount_opts
);
4031 opts
= qemu_get_machine_opts();
4032 optarg
= qemu_opt_get(opts
, "type");
4034 machine_class
= machine_parse(optarg
);
4037 if (machine_class
== NULL
) {
4038 error_report("No machine specified, and there is no default");
4039 error_printf("Use -machine help to list supported machines\n");
4043 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4049 if (qemu_init_main_loop(&main_loop_err
)) {
4050 error_report_err(main_loop_err
);
4054 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4055 parse_sandbox
, NULL
, NULL
)) {
4059 if (qemu_opts_foreach(qemu_find_opts("name"),
4060 parse_name
, NULL
, NULL
)) {
4065 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4066 parse_add_fd
, NULL
, NULL
)) {
4070 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4071 cleanup_add_fd
, NULL
, NULL
)) {
4076 current_machine
= MACHINE(object_new(object_class_get_name(
4077 OBJECT_CLASS(machine_class
))));
4078 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4081 object_property_add_child(object_get_root(), "machine",
4082 OBJECT(current_machine
), &error_abort
);
4083 cpu_exec_init_all();
4085 if (machine_class
->hw_version
) {
4086 qemu_set_hw_version(machine_class
->hw_version
);
4089 /* Init CPU def lists, based on config
4090 * - Must be called after all the qemu_read_config_file() calls
4091 * - Must be called before list_cpus()
4092 * - Must be called before machine->init()
4096 if (cpu_model
&& is_help_option(cpu_model
)) {
4097 list_cpus(stdout
, &fprintf
, cpu_model
);
4101 trace_init_file(trace_file
);
4103 /* Open the logfile at this point and set the log mask if necessary.
4106 qemu_set_log_filename(log_file
);
4111 mask
= qemu_str_to_log_mask(log_mask
);
4113 qemu_print_log_usage(stdout
);
4121 if (!trace_init_backends()) {
4125 /* If no data_dir is specified then try to find it relative to the
4127 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4128 data_dir
[data_dir_idx
] = os_find_datadir();
4129 if (data_dir
[data_dir_idx
] != NULL
) {
4133 /* If all else fails use the install path specified when building. */
4134 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4135 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4138 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4140 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4141 if (max_cpus
> machine_class
->max_cpus
) {
4142 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4143 "supported by machine '%s' (%d)", max_cpus
,
4144 machine_class
->name
, machine_class
->max_cpus
);
4149 * Get the default machine options from the machine if it is not already
4150 * specified either by the configuration file or by the command line.
4152 if (machine_class
->default_machine_opts
) {
4153 qemu_opts_set_defaults(qemu_find_opts("machine"),
4154 machine_class
->default_machine_opts
, 0);
4157 qemu_opts_foreach(qemu_find_opts("device"),
4158 default_driver_check
, NULL
, NULL
);
4159 qemu_opts_foreach(qemu_find_opts("global"),
4160 default_driver_check
, NULL
, NULL
);
4162 if (!vga_model
&& !default_vga
) {
4163 vga_interface_type
= VGA_DEVICE
;
4165 if (!has_defaults
|| machine_class
->no_serial
) {
4168 if (!has_defaults
|| machine_class
->no_parallel
) {
4169 default_parallel
= 0;
4171 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4172 default_virtcon
= 0;
4174 if (!has_defaults
|| !machine_class
->use_sclp
) {
4177 if (!has_defaults
|| machine_class
->no_floppy
) {
4180 if (!has_defaults
|| machine_class
->no_cdrom
) {
4183 if (!has_defaults
|| machine_class
->no_sdcard
) {
4186 if (!has_defaults
) {
4187 default_monitor
= 0;
4192 if (is_daemonized()) {
4193 /* According to documentation and historically, -nographic redirects
4194 * serial port, parallel port and monitor to stdio, which does not work
4195 * with -daemonize. We can redirect these to null instead, but since
4196 * -nographic is legacy, let's just error out.
4197 * We disallow -nographic only if all other ports are not redirected
4198 * explicitly, to not break existing legacy setups which uses
4199 * -nographic _and_ redirects all ports explicitly - this is valid
4200 * usage, -nographic is just a no-op in this case.
4202 if (display_type
== DT_NOGRAPHIC
4203 && (default_parallel
|| default_serial
4204 || default_monitor
|| default_virtcon
)) {
4205 error_report("-nographic cannot be used with -daemonize");
4208 #ifdef CONFIG_CURSES
4209 if (display_type
== DT_CURSES
) {
4210 error_report("curses display cannot be used with -daemonize");
4216 if (display_type
== DT_NOGRAPHIC
) {
4217 if (default_parallel
)
4218 add_device_config(DEV_PARALLEL
, "null");
4219 if (default_serial
&& default_monitor
) {
4220 add_device_config(DEV_SERIAL
, "mon:stdio");
4221 } else if (default_virtcon
&& default_monitor
) {
4222 add_device_config(DEV_VIRTCON
, "mon:stdio");
4223 } else if (default_sclp
&& default_monitor
) {
4224 add_device_config(DEV_SCLP
, "mon:stdio");
4227 add_device_config(DEV_SERIAL
, "stdio");
4228 if (default_virtcon
)
4229 add_device_config(DEV_VIRTCON
, "stdio");
4231 add_device_config(DEV_SCLP
, "stdio");
4233 if (default_monitor
)
4234 monitor_parse("stdio", "readline", false);
4238 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4239 if (default_parallel
)
4240 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4241 if (default_monitor
)
4242 monitor_parse("vc:80Cx24C", "readline", false);
4243 if (default_virtcon
)
4244 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4246 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4250 #if defined(CONFIG_VNC)
4251 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4255 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4256 #if defined(CONFIG_GTK)
4257 display_type
= DT_GTK
;
4258 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4259 display_type
= DT_SDL
;
4260 #elif defined(CONFIG_VNC)
4261 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4264 display_type
= DT_NONE
;
4268 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4269 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4270 "for SDL, ignoring option");
4272 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4273 error_report("-no-quit is only valid for GTK and SDL, "
4277 #if defined(CONFIG_GTK)
4278 if (display_type
== DT_GTK
) {
4279 early_gtk_display_init(request_opengl
);
4282 #if defined(CONFIG_SDL)
4283 if (display_type
== DT_SDL
) {
4284 sdl_display_early_init(request_opengl
);
4287 if (request_opengl
== 1 && display_opengl
== 0) {
4288 #if defined(CONFIG_OPENGL)
4289 error_report("OpenGL is not supported by the display");
4291 error_report("OpenGL support is disabled");
4299 if (qemu_opts_foreach(qemu_find_opts("object"),
4301 object_create_initial
, NULL
)) {
4305 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4306 chardev_init_func
, NULL
, NULL
)) {
4310 #ifdef CONFIG_VIRTFS
4311 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4312 fsdev_init_func
, NULL
, NULL
)) {
4317 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4318 error_report("could not acquire pid file: %s", strerror(errno
));
4322 if (qemu_opts_foreach(qemu_find_opts("device"),
4323 device_help_func
, NULL
, NULL
)) {
4327 machine_opts
= qemu_get_machine_opts();
4328 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4330 object_unref(OBJECT(current_machine
));
4334 configure_accelerator(current_machine
);
4337 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4340 machine_opts
= qemu_get_machine_opts();
4341 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4342 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4343 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4344 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4346 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4348 boot_order
= qemu_opt_get(opts
, "order");
4350 validate_bootdevices(boot_order
, &error_fatal
);
4353 boot_once
= qemu_opt_get(opts
, "once");
4355 validate_bootdevices(boot_once
, &error_fatal
);
4358 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4359 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4363 boot_order
= machine_class
->default_boot_order
;
4366 if (!kernel_cmdline
) {
4367 kernel_cmdline
= "";
4368 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4371 linux_boot
= (kernel_filename
!= NULL
);
4373 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4374 error_report("-append only allowed with -kernel option");
4378 if (!linux_boot
&& initrd_filename
!= NULL
) {
4379 error_report("-initrd only allowed with -kernel option");
4383 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4384 error_report("-dtb only allowed with -kernel option");
4388 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4389 /* fall back to the -kernel/-append */
4390 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4393 os_set_line_buffering();
4396 /* spice needs the timers to be initialized by this point */
4402 if (kvm_enabled() || xen_enabled()) {
4403 error_report("-icount is not allowed with kvm or xen");
4406 configure_icount(icount_opts
, &error_abort
);
4407 qemu_opts_del(icount_opts
);
4410 /* clean up network at qemu process termination */
4411 atexit(&net_cleanup
);
4413 if (net_init_clients() < 0) {
4417 if (qemu_opts_foreach(qemu_find_opts("object"),
4419 object_create_delayed
, NULL
)) {
4424 if (tpm_init() < 0) {
4429 /* init the bluetooth world */
4430 if (foreach_device_config(DEV_BT
, bt_parse
))
4433 if (!xen_enabled()) {
4434 /* On 32-bit hosts, QEMU is limited by virtual address space */
4435 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4436 error_report("at most 2047 MB RAM can be simulated");
4444 /* If the currently selected machine wishes to override the units-per-bus
4445 * property of its default HBA interface type, do so now. */
4446 if (machine_class
->units_per_default_bus
) {
4447 override_max_devs(machine_class
->block_default_type
,
4448 machine_class
->units_per_default_bus
);
4451 /* open the virtual block devices */
4452 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4453 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4456 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4457 &machine_class
->block_default_type
, NULL
)) {
4461 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4463 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4464 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4466 parse_numa_opts(machine_class
);
4468 if (qemu_opts_foreach(qemu_find_opts("mon"),
4469 mon_init_func
, NULL
, NULL
)) {
4473 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4475 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4477 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4479 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4482 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4485 /* If no default VGA is requested, the default is "none". */
4487 if (machine_class
->default_display
) {
4488 vga_model
= machine_class
->default_display
;
4489 } else if (cirrus_vga_available()) {
4490 vga_model
= "cirrus";
4491 } else if (vga_available()) {
4496 select_vgahw(vga_model
);
4500 i
= select_watchdog(watchdog
);
4502 exit (i
== 1 ? 1 : 0);
4505 if (machine_class
->compat_props
) {
4506 qdev_prop_register_global_list(machine_class
->compat_props
);
4510 /* This checkpoint is required by replay to separate prior clock
4511 reading from the other reads, because timer polling functions query
4512 clock values from the log. */
4513 replay_checkpoint(CHECKPOINT_INIT
);
4514 qdev_machine_init();
4516 current_machine
->ram_size
= ram_size
;
4517 current_machine
->maxram_size
= maxram_size
;
4518 current_machine
->ram_slots
= ram_slots
;
4519 current_machine
->boot_order
= boot_order
;
4520 current_machine
->cpu_model
= cpu_model
;
4522 machine_class
->init(current_machine
);
4528 cpu_synchronize_all_post_init();
4530 numa_post_machine_init();
4532 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4533 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4537 /* init USB devices */
4538 if (usb_enabled()) {
4539 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4543 /* Check if IGD GFX passthrough. */
4546 /* init generic devices */
4547 if (qemu_opts_foreach(qemu_find_opts("device"),
4548 device_init_func
, NULL
, NULL
)) {
4552 /* Did we create any drives that we failed to create a device for? */
4553 drive_check_orphaned();
4555 net_check_clients();
4558 Error
*local_err
= NULL
;
4559 qemu_boot_set(boot_once
, &local_err
);
4561 error_report_err(local_err
);
4564 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4567 ds
= init_displaystate();
4569 /* init local displays */
4570 switch (display_type
) {
4572 (void)ds
; /* avoid warning if no display is configured */
4574 #if defined(CONFIG_CURSES)
4576 curses_display_init(ds
, full_screen
);
4579 #if defined(CONFIG_SDL)
4581 sdl_display_init(ds
, full_screen
, no_frame
);
4583 #elif defined(CONFIG_COCOA)
4585 cocoa_display_init(ds
, full_screen
);
4588 #if defined(CONFIG_GTK)
4590 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4597 /* must be after terminal init, SDL library changes signal handlers */
4598 os_setup_signal_handling();
4601 /* init remote displays */
4602 qemu_opts_foreach(qemu_find_opts("vnc"),
4603 vnc_init_func
, NULL
, NULL
);
4604 if (show_vnc_port
) {
4605 char *ret
= vnc_display_local_addr("default");
4606 printf("VNC server running on '%s'\n", ret
);
4612 qemu_spice_display_init();
4616 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4620 qdev_machine_creation_done();
4622 /* TODO: once all bus devices are qdevified, this should be done
4623 * when bus is created by qdev.c */
4624 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4625 qemu_run_machine_init_done_notifiers();
4627 if (rom_check_and_register_reset() != 0) {
4628 error_report("rom check and register reset failed");
4634 /* This checkpoint is required by replay to separate prior clock
4635 reading from the other reads, because timer polling functions query
4636 clock values from the log. */
4637 replay_checkpoint(CHECKPOINT_RESET
);
4638 qemu_system_reset(VMRESET_SILENT
);
4639 register_global_state();
4641 if (load_vmstate(loadvm
) < 0) {
4646 qdev_prop_check_globals();
4647 if (vmstate_dump_file
) {
4649 dump_vmstate_json_to_file(vmstate_dump_file
);
4654 Error
*local_err
= NULL
;
4655 qemu_start_incoming_migration(incoming
, &local_err
);
4657 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4660 } else if (autostart
) {
4667 replay_disable_events();