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
31 #include "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc
, char **argv
, char **envp
);
45 int main(int argc
, char **argv
)
47 return qemu_main(argc
, argv
, NULL
);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
61 #include "qemu/sockets.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
123 #define DEFAULT_RAM_SIZE 128
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir
[16];
129 static int data_dir_idx
;
130 const char *bios_name
= NULL
;
131 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
132 DisplayType display_type
= DT_DEFAULT
;
133 static int display_remote
;
134 const char* keyboard_layout
= NULL
;
136 const char *mem_path
= NULL
;
137 int mem_prealloc
= 0; /* force preallocation of physical target memory */
138 bool enable_mlock
= false;
140 NICInfo nd_table
[MAX_NICS
];
142 static int rtc_utc
= 1;
143 static int rtc_date_offset
= -1; /* -1 means no change */
144 QEMUClockType rtc_clock
;
145 int vga_interface_type
= VGA_NONE
;
146 static int full_screen
= 0;
147 static int no_frame
= 0;
150 static bool grab_on_hover
;
152 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
153 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
154 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
155 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
156 int win2k_install_hack
= 0;
162 int acpi_enabled
= 1;
165 static int no_reboot
;
168 int graphic_rotate
= 0;
169 const char *watchdog
;
170 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
172 int semihosting_enabled
= 0;
174 const char *qemu_name
;
177 unsigned int nb_prom_envs
= 0;
178 const char *prom_envs
[MAX_PROM_ENVS
];
181 uint8_t *boot_splash_filedata
;
182 size_t boot_splash_filedata_size
;
183 uint8_t qemu_extra_params_fw
[2];
185 int icount_align_option
;
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 uint8_t qemu_uuid
[16];
193 static NotifierList exit_notifiers
=
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
196 static NotifierList machine_init_done_notifiers
=
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
201 enum xen_mode xen_mode
= XEN_EMULATE
;
203 static int has_defaults
= 1;
204 static int default_serial
= 1;
205 static int default_parallel
= 1;
206 static int default_virtcon
= 1;
207 static int default_sclp
= 1;
208 static int default_monitor
= 1;
209 static int default_floppy
= 1;
210 static int default_cdrom
= 1;
211 static int default_sdcard
= 1;
212 static int default_vga
= 1;
218 { .driver
= "isa-serial", .flag
= &default_serial
},
219 { .driver
= "isa-parallel", .flag
= &default_parallel
},
220 { .driver
= "isa-fdc", .flag
= &default_floppy
},
221 { .driver
= "ide-cd", .flag
= &default_cdrom
},
222 { .driver
= "ide-hd", .flag
= &default_cdrom
},
223 { .driver
= "ide-drive", .flag
= &default_cdrom
},
224 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
225 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
226 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
227 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
228 { .driver
= "VGA", .flag
= &default_vga
},
229 { .driver
= "isa-vga", .flag
= &default_vga
},
230 { .driver
= "cirrus-vga", .flag
= &default_vga
},
231 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
232 { .driver
= "vmware-svga", .flag
= &default_vga
},
233 { .driver
= "qxl-vga", .flag
= &default_vga
},
236 static QemuOptsList qemu_rtc_opts
= {
238 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
242 .type
= QEMU_OPT_STRING
,
245 .type
= QEMU_OPT_STRING
,
248 .type
= QEMU_OPT_STRING
,
250 { /* end of list */ }
254 static QemuOptsList qemu_sandbox_opts
= {
256 .implied_opt_name
= "enable",
257 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
261 .type
= QEMU_OPT_BOOL
,
263 { /* end of list */ }
267 static QemuOptsList qemu_trace_opts
= {
269 .implied_opt_name
= "trace",
270 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
274 .type
= QEMU_OPT_STRING
,
277 .type
= QEMU_OPT_STRING
,
279 { /* end of list */ }
283 static QemuOptsList qemu_option_rom_opts
= {
284 .name
= "option-rom",
285 .implied_opt_name
= "romfile",
286 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
290 .type
= QEMU_OPT_NUMBER
,
293 .type
= QEMU_OPT_STRING
,
295 { /* end of list */ }
299 static QemuOptsList qemu_machine_opts
= {
301 .implied_opt_name
= "type",
303 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
306 * no elements => accept any
307 * sanity checking will happen later
308 * when setting machine properties
314 static QemuOptsList qemu_boot_opts
= {
316 .implied_opt_name
= "order",
318 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
322 .type
= QEMU_OPT_STRING
,
325 .type
= QEMU_OPT_STRING
,
328 .type
= QEMU_OPT_BOOL
,
331 .type
= QEMU_OPT_STRING
,
333 .name
= "splash-time",
334 .type
= QEMU_OPT_STRING
,
336 .name
= "reboot-timeout",
337 .type
= QEMU_OPT_STRING
,
340 .type
= QEMU_OPT_BOOL
,
346 static QemuOptsList qemu_add_fd_opts
= {
348 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
352 .type
= QEMU_OPT_NUMBER
,
353 .help
= "file descriptor of which a duplicate is added to fd set",
356 .type
= QEMU_OPT_NUMBER
,
357 .help
= "ID of the fd set to add fd to",
360 .type
= QEMU_OPT_STRING
,
361 .help
= "free-form string used to describe fd",
363 { /* end of list */ }
367 static QemuOptsList qemu_object_opts
= {
369 .implied_opt_name
= "qom-type",
370 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
376 static QemuOptsList qemu_tpmdev_opts
= {
378 .implied_opt_name
= "type",
379 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
386 static QemuOptsList qemu_realtime_opts
= {
388 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
392 .type
= QEMU_OPT_BOOL
,
394 { /* end of list */ }
398 static QemuOptsList qemu_msg_opts
= {
400 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
404 .type
= QEMU_OPT_BOOL
,
406 { /* end of list */ }
410 static QemuOptsList qemu_name_opts
= {
412 .implied_opt_name
= "guest",
414 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
418 .type
= QEMU_OPT_STRING
,
419 .help
= "Sets the name of the guest.\n"
420 "This name will be displayed in the SDL window caption.\n"
421 "The name will also be used for the VNC server",
424 .type
= QEMU_OPT_STRING
,
425 .help
= "Sets the name of the QEMU process, as shown in top etc",
427 .name
= "debug-threads",
428 .type
= QEMU_OPT_BOOL
,
429 .help
= "When enabled, name the individual threads; defaults off.\n"
430 "NOTE: The thread names are for debugging and not a\n"
433 { /* End of list */ }
437 static QemuOptsList qemu_mem_opts
= {
439 .implied_opt_name
= "size",
440 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
445 .type
= QEMU_OPT_SIZE
,
449 .type
= QEMU_OPT_NUMBER
,
453 .type
= QEMU_OPT_SIZE
,
455 { /* end of list */ }
459 static QemuOptsList qemu_icount_opts
= {
461 .implied_opt_name
= "shift",
463 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
467 .type
= QEMU_OPT_STRING
,
470 .type
= QEMU_OPT_BOOL
,
472 { /* end of list */ }
476 static QemuOptsList qemu_semihosting_config_opts
= {
477 .name
= "semihosting-config",
478 .implied_opt_name
= "enable",
479 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
483 .type
= QEMU_OPT_BOOL
,
486 .type
= QEMU_OPT_STRING
,
488 { /* end of list */ }
493 * Get machine options
495 * Returns: machine options (never null).
497 QemuOpts
*qemu_get_machine_opts(void)
499 return qemu_find_opts_singleton("machine");
502 const char *qemu_get_vm_name(void)
507 static void res_free(void)
509 if (boot_splash_filedata
!= NULL
) {
510 g_free(boot_splash_filedata
);
511 boot_splash_filedata
= NULL
;
515 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
517 const char *driver
= qemu_opt_get(opts
, "driver");
522 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
523 if (strcmp(default_list
[i
].driver
, driver
) != 0)
525 *(default_list
[i
].flag
) = 0;
530 /***********************************************************/
533 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
535 /* We use RUN_STATE_MAX but any invalid value will do */
536 static RunState vmstop_requested
= RUN_STATE_MAX
;
537 static QemuMutex vmstop_lock
;
542 } RunStateTransition
;
544 static const RunStateTransition runstate_transitions_def
[] = {
546 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
547 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
549 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
550 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
552 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
553 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
555 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
556 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
558 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
559 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
561 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
562 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
564 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
565 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
566 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
568 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
569 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
571 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
573 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
574 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
575 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
576 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
577 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
579 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
580 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
581 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
582 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
584 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
586 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
587 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
590 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
591 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
592 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
594 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
595 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
598 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
600 { RUN_STATE_MAX
, RUN_STATE_MAX
},
603 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
605 bool runstate_check(RunState state
)
607 return current_run_state
== state
;
610 static void runstate_init(void)
612 const RunStateTransition
*p
;
614 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
615 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
616 runstate_valid_transitions
[p
->from
][p
->to
] = true;
619 qemu_mutex_init(&vmstop_lock
);
622 /* This function will abort() on invalid state transitions */
623 void runstate_set(RunState new_state
)
625 assert(new_state
< RUN_STATE_MAX
);
627 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
628 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
629 RunState_lookup
[current_run_state
],
630 RunState_lookup
[new_state
]);
633 trace_runstate_set(new_state
);
634 current_run_state
= new_state
;
637 int runstate_is_running(void)
639 return runstate_check(RUN_STATE_RUNNING
);
642 bool runstate_needs_reset(void)
644 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
645 runstate_check(RUN_STATE_SHUTDOWN
);
648 StatusInfo
*qmp_query_status(Error
**errp
)
650 StatusInfo
*info
= g_malloc0(sizeof(*info
));
652 info
->running
= runstate_is_running();
653 info
->singlestep
= singlestep
;
654 info
->status
= current_run_state
;
659 static bool qemu_vmstop_requested(RunState
*r
)
661 qemu_mutex_lock(&vmstop_lock
);
662 *r
= vmstop_requested
;
663 vmstop_requested
= RUN_STATE_MAX
;
664 qemu_mutex_unlock(&vmstop_lock
);
665 return *r
< RUN_STATE_MAX
;
668 void qemu_system_vmstop_request_prepare(void)
670 qemu_mutex_lock(&vmstop_lock
);
673 void qemu_system_vmstop_request(RunState state
)
675 vmstop_requested
= state
;
676 qemu_mutex_unlock(&vmstop_lock
);
684 qemu_vmstop_requested(&requested
);
685 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
689 /* Ensure that a STOP/RESUME pair of events is emitted if a
690 * vmstop request was pending. The BLOCK_IO_ERROR event, for
691 * example, according to documentation is always followed by
694 if (runstate_is_running()) {
695 qapi_event_send_stop(&error_abort
);
698 runstate_set(RUN_STATE_RUNNING
);
699 vm_state_notify(1, RUN_STATE_RUNNING
);
703 qapi_event_send_resume(&error_abort
);
707 /***********************************************************/
708 /* real time host monotonic timer */
710 static time_t qemu_time(void)
712 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
715 /***********************************************************/
716 /* host time/date access */
717 void qemu_get_timedate(struct tm
*tm
, int offset
)
719 time_t ti
= qemu_time();
722 if (rtc_date_offset
== -1) {
726 localtime_r(&ti
, tm
);
728 ti
-= rtc_date_offset
;
733 int qemu_timedate_diff(struct tm
*tm
)
737 if (rtc_date_offset
== -1)
739 seconds
= mktimegm(tm
);
742 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
743 seconds
= mktime(&tmp
);
746 seconds
= mktimegm(tm
) + rtc_date_offset
;
748 return seconds
- qemu_time();
751 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
753 time_t rtc_start_date
;
756 if (!strcmp(startdate
, "now") && legacy
) {
757 rtc_date_offset
= -1;
759 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
767 } else if (sscanf(startdate
, "%d-%d-%d",
779 rtc_start_date
= mktimegm(&tm
);
780 if (rtc_start_date
== -1) {
782 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
783 "'2006-06-17T16:01:21' or '2006-06-17'\n");
786 rtc_date_offset
= qemu_time() - rtc_start_date
;
790 static void configure_rtc(QemuOpts
*opts
)
794 value
= qemu_opt_get(opts
, "base");
796 if (!strcmp(value
, "utc")) {
798 } else if (!strcmp(value
, "localtime")) {
801 configure_rtc_date_offset(value
, 0);
804 value
= qemu_opt_get(opts
, "clock");
806 if (!strcmp(value
, "host")) {
807 rtc_clock
= QEMU_CLOCK_HOST
;
808 } else if (!strcmp(value
, "rt")) {
809 rtc_clock
= QEMU_CLOCK_REALTIME
;
810 } else if (!strcmp(value
, "vm")) {
811 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
813 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
817 value
= qemu_opt_get(opts
, "driftfix");
819 if (!strcmp(value
, "slew")) {
820 static GlobalProperty slew_lost_ticks
[] = {
822 .driver
= "mc146818rtc",
823 .property
= "lost_tick_policy",
826 { /* end of list */ }
829 qdev_prop_register_global_list(slew_lost_ticks
);
830 } else if (!strcmp(value
, "none")) {
831 /* discard is default */
833 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
839 /***********************************************************/
840 /* Bluetooth support */
843 static struct HCIInfo
*hci_table
[MAX_NICS
];
845 struct HCIInfo
*qemu_next_hci(void)
847 if (cur_hci
== nb_hcis
)
850 return hci_table
[cur_hci
++];
853 static int bt_hci_parse(const char *str
)
858 if (nb_hcis
>= MAX_NICS
) {
859 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
872 bdaddr
.b
[5] = 0x56 + nb_hcis
;
873 hci
->bdaddr_set(hci
, bdaddr
.b
);
875 hci_table
[nb_hcis
++] = hci
;
880 static void bt_vhci_add(int vlan_id
)
882 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
885 fprintf(stderr
, "qemu: warning: adding a VHCI to "
886 "an empty scatternet %i\n", vlan_id
);
888 bt_vhci_init(bt_new_hci(vlan
));
891 static struct bt_device_s
*bt_device_add(const char *opt
)
893 struct bt_scatternet_s
*vlan
;
895 char *endp
= strstr(opt
, ",vlan=");
896 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
899 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
902 vlan_id
= strtol(endp
+ 6, &endp
, 0);
904 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
909 vlan
= qemu_find_bt_vlan(vlan_id
);
912 fprintf(stderr
, "qemu: warning: adding a slave device to "
913 "an empty scatternet %i\n", vlan_id
);
915 if (!strcmp(devname
, "keyboard"))
916 return bt_keyboard_init(vlan
);
918 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
922 static int bt_parse(const char *opt
)
924 const char *endp
, *p
;
927 if (strstart(opt
, "hci", &endp
)) {
928 if (!*endp
|| *endp
== ',') {
930 if (!strstart(endp
, ",vlan=", 0))
933 return bt_hci_parse(opt
);
935 } else if (strstart(opt
, "vhci", &endp
)) {
936 if (!*endp
|| *endp
== ',') {
938 if (strstart(endp
, ",vlan=", &p
)) {
939 vlan
= strtol(p
, (char **) &endp
, 0);
941 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
945 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
954 } else if (strstart(opt
, "device:", &endp
))
955 return !bt_device_add(endp
);
957 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
961 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
963 /* FIXME: change this to true for 1.3 */
964 if (qemu_opt_get_bool(opts
, "enable", false)) {
965 #ifdef CONFIG_SECCOMP
966 if (seccomp_start() < 0) {
967 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
968 "failed to install seccomp syscall filter in the kernel");
972 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
973 "sandboxing request but seccomp is not compiled into this build");
981 static int parse_name(QemuOpts
*opts
, void *opaque
)
983 const char *proc_name
;
985 if (qemu_opt_get(opts
, "debug-threads")) {
986 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
988 qemu_name
= qemu_opt_get(opts
, "guest");
990 proc_name
= qemu_opt_get(opts
, "process");
992 os_set_proc_name(proc_name
);
998 bool defaults_enabled(void)
1000 return has_defaults
;
1003 bool usb_enabled(void)
1005 return machine_usb(current_machine
);
1009 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1011 int fd
, dupfd
, flags
;
1013 const char *fd_opaque
= NULL
;
1015 fd
= qemu_opt_get_number(opts
, "fd", -1);
1016 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1017 fd_opaque
= qemu_opt_get(opts
, "opaque");
1020 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1021 "fd option is required and must be non-negative");
1025 if (fd
<= STDERR_FILENO
) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1027 "fd cannot be a standard I/O stream");
1032 * All fds inherited across exec() necessarily have FD_CLOEXEC
1033 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1035 flags
= fcntl(fd
, F_GETFD
);
1036 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1038 "fd is not valid or already in use");
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1044 "set option is required and must be non-negative");
1048 #ifdef F_DUPFD_CLOEXEC
1049 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1053 qemu_set_cloexec(dupfd
);
1057 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1058 "Error duplicating fd: %s", strerror(errno
));
1062 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1063 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1069 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1073 fd
= qemu_opt_get_number(opts
, "fd", -1);
1080 /***********************************************************/
1081 /* QEMU Block devices */
1083 #define HD_OPTS "media=disk"
1084 #define CDROM_OPTS "media=cdrom"
1086 #define PFLASH_OPTS ""
1090 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1092 BlockInterfaceType
*block_default_type
= opaque
;
1094 return drive_new(opts
, *block_default_type
) == NULL
;
1097 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1099 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1100 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1105 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1106 int index
, const char *optstr
)
1111 if (!enable
|| drive_get_by_index(type
, index
)) {
1115 opts
= drive_add(type
, index
, NULL
, optstr
);
1117 drive_enable_snapshot(opts
, NULL
);
1120 dinfo
= drive_new(opts
, type
);
1124 dinfo
->is_default
= true;
1128 static QemuOptsList qemu_smp_opts
= {
1130 .implied_opt_name
= "cpus",
1131 .merge_lists
= true,
1132 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1136 .type
= QEMU_OPT_NUMBER
,
1139 .type
= QEMU_OPT_NUMBER
,
1142 .type
= QEMU_OPT_NUMBER
,
1145 .type
= QEMU_OPT_NUMBER
,
1148 .type
= QEMU_OPT_NUMBER
,
1150 { /*End of list */ }
1154 static void smp_parse(QemuOpts
*opts
)
1158 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1159 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1160 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1161 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1163 /* compute missing values, prefer sockets over cores over threads */
1164 if (cpus
== 0 || sockets
== 0) {
1165 sockets
= sockets
> 0 ? sockets
: 1;
1166 cores
= cores
> 0 ? cores
: 1;
1167 threads
= threads
> 0 ? threads
: 1;
1169 cpus
= cores
* threads
* sockets
;
1171 } else if (cores
== 0) {
1172 threads
= threads
> 0 ? threads
: 1;
1173 cores
= cpus
/ (sockets
* threads
);
1174 } else if (threads
== 0) {
1175 threads
= cpus
/ (cores
* sockets
);
1176 } else if (sockets
* cores
* threads
< cpus
) {
1177 fprintf(stderr
, "cpu topology: error: "
1178 "sockets (%u) * cores (%u) * threads (%u) < "
1180 sockets
, cores
, threads
, cpus
);
1184 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1187 smp_cores
= cores
> 0 ? cores
: 1;
1188 smp_threads
= threads
> 0 ? threads
: 1;
1192 if (max_cpus
== 0) {
1193 max_cpus
= smp_cpus
;
1196 if (max_cpus
> MAX_CPUMASK_BITS
) {
1197 fprintf(stderr
, "Unsupported number of maxcpus\n");
1200 if (max_cpus
< smp_cpus
) {
1201 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1207 static void realtime_init(void)
1210 if (os_mlock() < 0) {
1211 fprintf(stderr
, "qemu: locking memory failed\n");
1218 static void configure_msg(QemuOpts
*opts
)
1220 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1223 /***********************************************************/
1226 static int usb_device_add(const char *devname
)
1228 USBDevice
*dev
= NULL
;
1229 #ifndef CONFIG_LINUX
1233 if (!usb_enabled()) {
1237 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1238 dev
= usbdevice_create(devname
);
1242 /* the other ones */
1243 #ifndef CONFIG_LINUX
1244 /* only the linux version is qdev-ified, usb-bsd still needs this */
1245 if (strstart(devname
, "host:", &p
)) {
1246 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1256 static int usb_device_del(const char *devname
)
1261 if (strstart(devname
, "host:", &p
)) {
1265 if (!usb_enabled()) {
1269 p
= strchr(devname
, '.');
1272 bus_num
= strtoul(devname
, NULL
, 0);
1273 addr
= strtoul(p
+ 1, NULL
, 0);
1275 return usb_device_delete_addr(bus_num
, addr
);
1278 static int usb_parse(const char *cmdline
)
1281 r
= usb_device_add(cmdline
);
1283 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1288 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1290 const char *devname
= qdict_get_str(qdict
, "devname");
1291 if (usb_device_add(devname
) < 0) {
1292 error_report("could not add USB device '%s'", devname
);
1296 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1298 const char *devname
= qdict_get_str(qdict
, "devname");
1299 if (usb_device_del(devname
) < 0) {
1300 error_report("could not delete USB device '%s'", devname
);
1304 /***********************************************************/
1305 /* machine registration */
1307 MachineState
*current_machine
;
1309 static void machine_class_init(ObjectClass
*oc
, void *data
)
1311 MachineClass
*mc
= MACHINE_CLASS(oc
);
1312 QEMUMachine
*qm
= data
;
1314 mc
->family
= qm
->family
;
1315 mc
->name
= qm
->name
;
1316 mc
->alias
= qm
->alias
;
1317 mc
->desc
= qm
->desc
;
1318 mc
->init
= qm
->init
;
1319 mc
->reset
= qm
->reset
;
1320 mc
->hot_add_cpu
= qm
->hot_add_cpu
;
1321 mc
->kvm_type
= qm
->kvm_type
;
1322 mc
->block_default_type
= qm
->block_default_type
;
1323 mc
->units_per_default_bus
= qm
->units_per_default_bus
;
1324 mc
->max_cpus
= qm
->max_cpus
;
1325 mc
->no_serial
= qm
->no_serial
;
1326 mc
->no_parallel
= qm
->no_parallel
;
1327 mc
->use_virtcon
= qm
->use_virtcon
;
1328 mc
->use_sclp
= qm
->use_sclp
;
1329 mc
->no_floppy
= qm
->no_floppy
;
1330 mc
->no_cdrom
= qm
->no_cdrom
;
1331 mc
->no_sdcard
= qm
->no_sdcard
;
1332 mc
->has_dynamic_sysbus
= qm
->has_dynamic_sysbus
;
1333 mc
->is_default
= qm
->is_default
;
1334 mc
->default_machine_opts
= qm
->default_machine_opts
;
1335 mc
->default_boot_order
= qm
->default_boot_order
;
1336 mc
->default_display
= qm
->default_display
;
1337 mc
->compat_props
= qm
->compat_props
;
1338 mc
->hw_version
= qm
->hw_version
;
1341 int qemu_register_machine(QEMUMachine
*m
)
1343 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1346 .parent
= TYPE_MACHINE
,
1347 .class_init
= machine_class_init
,
1348 .class_data
= (void *)m
,
1357 static MachineClass
*find_machine(const char *name
)
1359 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1360 MachineClass
*mc
= NULL
;
1362 for (el
= machines
; el
; el
= el
->next
) {
1363 MachineClass
*temp
= el
->data
;
1365 if (!strcmp(temp
->name
, name
)) {
1370 !strcmp(temp
->alias
, name
)) {
1376 g_slist_free(machines
);
1380 MachineClass
*find_default_machine(void)
1382 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1383 MachineClass
*mc
= NULL
;
1385 for (el
= machines
; el
; el
= el
->next
) {
1386 MachineClass
*temp
= el
->data
;
1388 if (temp
->is_default
) {
1394 g_slist_free(machines
);
1398 MachineInfoList
*qmp_query_machines(Error
**errp
)
1400 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1401 MachineInfoList
*mach_list
= NULL
;
1403 for (el
= machines
; el
; el
= el
->next
) {
1404 MachineClass
*mc
= el
->data
;
1405 MachineInfoList
*entry
;
1408 info
= g_malloc0(sizeof(*info
));
1409 if (mc
->is_default
) {
1410 info
->has_is_default
= true;
1411 info
->is_default
= true;
1415 info
->has_alias
= true;
1416 info
->alias
= g_strdup(mc
->alias
);
1419 info
->name
= g_strdup(mc
->name
);
1420 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1422 entry
= g_malloc0(sizeof(*entry
));
1423 entry
->value
= info
;
1424 entry
->next
= mach_list
;
1428 g_slist_free(machines
);
1432 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1434 ObjectProperty
*prop
;
1436 if (!qemu_opt_has_help_opt(opts
)) {
1440 QTAILQ_FOREACH(prop
, &OBJECT(machine
)->properties
, node
) {
1445 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1446 prop
->name
, prop
->type
);
1447 if (prop
->description
) {
1448 error_printf(" (%s)\n", prop
->description
);
1457 /***********************************************************/
1458 /* main execution loop */
1460 struct vm_change_state_entry
{
1461 VMChangeStateHandler
*cb
;
1463 QLIST_ENTRY (vm_change_state_entry
) entries
;
1466 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1468 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1471 VMChangeStateEntry
*e
;
1473 e
= g_malloc0(sizeof (*e
));
1477 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1481 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1483 QLIST_REMOVE (e
, entries
);
1487 void vm_state_notify(int running
, RunState state
)
1489 VMChangeStateEntry
*e
, *next
;
1491 trace_vm_state_notify(running
, state
);
1493 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1494 e
->cb(e
->opaque
, running
, state
);
1498 /* reset/shutdown handler */
1500 typedef struct QEMUResetEntry
{
1501 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1502 QEMUResetHandler
*func
;
1506 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1507 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1508 static int reset_requested
;
1509 static int shutdown_requested
, shutdown_signal
= -1;
1510 static pid_t shutdown_pid
;
1511 static int powerdown_requested
;
1512 static int debug_requested
;
1513 static int suspend_requested
;
1514 static WakeupReason wakeup_reason
;
1515 static NotifierList powerdown_notifiers
=
1516 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1517 static NotifierList suspend_notifiers
=
1518 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1519 static NotifierList wakeup_notifiers
=
1520 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1521 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1523 int qemu_shutdown_requested_get(void)
1525 return shutdown_requested
;
1528 int qemu_reset_requested_get(void)
1530 return reset_requested
;
1533 static int qemu_shutdown_requested(void)
1535 return atomic_xchg(&shutdown_requested
, 0);
1538 static void qemu_kill_report(void)
1540 if (!qtest_driver() && shutdown_signal
!= -1) {
1541 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1542 if (shutdown_pid
== 0) {
1543 /* This happens for eg ^C at the terminal, so it's worth
1544 * avoiding printing an odd message in that case.
1546 fputc('\n', stderr
);
1548 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1550 shutdown_signal
= -1;
1554 static int qemu_reset_requested(void)
1556 int r
= reset_requested
;
1557 reset_requested
= 0;
1561 static int qemu_suspend_requested(void)
1563 int r
= suspend_requested
;
1564 suspend_requested
= 0;
1568 static WakeupReason
qemu_wakeup_requested(void)
1570 return wakeup_reason
;
1573 static int qemu_powerdown_requested(void)
1575 int r
= powerdown_requested
;
1576 powerdown_requested
= 0;
1580 static int qemu_debug_requested(void)
1582 int r
= debug_requested
;
1583 debug_requested
= 0;
1587 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1589 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1592 re
->opaque
= opaque
;
1593 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1596 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1600 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1601 if (re
->func
== func
&& re
->opaque
== opaque
) {
1602 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1609 void qemu_devices_reset(void)
1611 QEMUResetEntry
*re
, *nre
;
1613 /* reset all devices */
1614 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1615 re
->func(re
->opaque
);
1619 void qemu_system_reset(bool report
)
1623 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1625 if (mc
&& mc
->reset
) {
1628 qemu_devices_reset();
1631 qapi_event_send_reset(&error_abort
);
1633 cpu_synchronize_all_post_reset();
1636 void qemu_system_reset_request(void)
1639 shutdown_requested
= 1;
1641 reset_requested
= 1;
1644 qemu_notify_event();
1647 static void qemu_system_suspend(void)
1650 notifier_list_notify(&suspend_notifiers
, NULL
);
1651 runstate_set(RUN_STATE_SUSPENDED
);
1652 qapi_event_send_suspend(&error_abort
);
1655 void qemu_system_suspend_request(void)
1657 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1660 suspend_requested
= 1;
1662 qemu_notify_event();
1665 void qemu_register_suspend_notifier(Notifier
*notifier
)
1667 notifier_list_add(&suspend_notifiers
, notifier
);
1670 void qemu_system_wakeup_request(WakeupReason reason
)
1672 trace_system_wakeup_request(reason
);
1674 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1677 if (!(wakeup_reason_mask
& (1 << reason
))) {
1680 runstate_set(RUN_STATE_RUNNING
);
1681 wakeup_reason
= reason
;
1682 qemu_notify_event();
1685 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1688 wakeup_reason_mask
|= (1 << reason
);
1690 wakeup_reason_mask
&= ~(1 << reason
);
1694 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1696 notifier_list_add(&wakeup_notifiers
, notifier
);
1699 void qemu_system_killed(int signal
, pid_t pid
)
1701 shutdown_signal
= signal
;
1704 qemu_system_shutdown_request();
1707 void qemu_system_shutdown_request(void)
1709 trace_qemu_system_shutdown_request();
1710 shutdown_requested
= 1;
1711 qemu_notify_event();
1714 static void qemu_system_powerdown(void)
1716 qapi_event_send_powerdown(&error_abort
);
1717 notifier_list_notify(&powerdown_notifiers
, NULL
);
1720 void qemu_system_powerdown_request(void)
1722 trace_qemu_system_powerdown_request();
1723 powerdown_requested
= 1;
1724 qemu_notify_event();
1727 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1729 notifier_list_add(&powerdown_notifiers
, notifier
);
1732 void qemu_system_debug_request(void)
1734 debug_requested
= 1;
1735 qemu_notify_event();
1738 static bool main_loop_should_exit(void)
1741 if (qemu_debug_requested()) {
1742 vm_stop(RUN_STATE_DEBUG
);
1744 if (qemu_suspend_requested()) {
1745 qemu_system_suspend();
1747 if (qemu_shutdown_requested()) {
1749 qapi_event_send_shutdown(&error_abort
);
1751 vm_stop(RUN_STATE_SHUTDOWN
);
1756 if (qemu_reset_requested()) {
1758 cpu_synchronize_all_states();
1759 qemu_system_reset(VMRESET_REPORT
);
1761 if (runstate_needs_reset()) {
1762 runstate_set(RUN_STATE_PAUSED
);
1765 if (qemu_wakeup_requested()) {
1767 cpu_synchronize_all_states();
1768 qemu_system_reset(VMRESET_SILENT
);
1769 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1770 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1772 qapi_event_send_wakeup(&error_abort
);
1774 if (qemu_powerdown_requested()) {
1775 qemu_system_powerdown();
1777 if (qemu_vmstop_requested(&r
)) {
1783 static void main_loop(void)
1787 #ifdef CONFIG_PROFILER
1791 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1792 #ifdef CONFIG_PROFILER
1793 ti
= profile_getclock();
1795 last_io
= main_loop_wait(nonblocking
);
1796 #ifdef CONFIG_PROFILER
1797 dev_time
+= profile_getclock() - ti
;
1799 } while (!main_loop_should_exit());
1802 static void version(void)
1804 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1807 static void help(int exitcode
)
1810 printf("usage: %s [options] [disk_image]\n\n"
1811 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1812 error_get_progname());
1814 #define QEMU_OPTIONS_GENERATE_HELP
1815 #include "qemu-options-wrapper.h"
1817 printf("\nDuring emulation, the following keys are useful:\n"
1818 "ctrl-alt-f toggle full screen\n"
1819 "ctrl-alt-n switch to virtual console 'n'\n"
1820 "ctrl-alt toggle mouse and keyboard grab\n"
1822 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1827 #define HAS_ARG 0x0001
1829 typedef struct QEMUOption
{
1836 static const QEMUOption qemu_options
[] = {
1837 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1838 #define QEMU_OPTIONS_GENERATE_OPTIONS
1839 #include "qemu-options-wrapper.h"
1843 static bool vga_available(void)
1845 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1848 static bool cirrus_vga_available(void)
1850 return object_class_by_name("cirrus-vga")
1851 || object_class_by_name("isa-cirrus-vga");
1854 static bool vmware_vga_available(void)
1856 return object_class_by_name("vmware-svga");
1859 static bool qxl_vga_available(void)
1861 return object_class_by_name("qxl-vga");
1864 static bool tcx_vga_available(void)
1866 return object_class_by_name("SUNW,tcx");
1869 static bool cg3_vga_available(void)
1871 return object_class_by_name("cgthree");
1874 static void select_vgahw (const char *p
)
1878 assert(vga_interface_type
== VGA_NONE
);
1879 if (strstart(p
, "std", &opts
)) {
1880 if (vga_available()) {
1881 vga_interface_type
= VGA_STD
;
1883 fprintf(stderr
, "Error: standard VGA not available\n");
1886 } else if (strstart(p
, "cirrus", &opts
)) {
1887 if (cirrus_vga_available()) {
1888 vga_interface_type
= VGA_CIRRUS
;
1890 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1893 } else if (strstart(p
, "vmware", &opts
)) {
1894 if (vmware_vga_available()) {
1895 vga_interface_type
= VGA_VMWARE
;
1897 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1900 } else if (strstart(p
, "xenfb", &opts
)) {
1901 vga_interface_type
= VGA_XENFB
;
1902 } else if (strstart(p
, "qxl", &opts
)) {
1903 if (qxl_vga_available()) {
1904 vga_interface_type
= VGA_QXL
;
1906 fprintf(stderr
, "Error: QXL VGA not available\n");
1909 } else if (strstart(p
, "tcx", &opts
)) {
1910 if (tcx_vga_available()) {
1911 vga_interface_type
= VGA_TCX
;
1913 fprintf(stderr
, "Error: TCX framebuffer not available\n");
1916 } else if (strstart(p
, "cg3", &opts
)) {
1917 if (cg3_vga_available()) {
1918 vga_interface_type
= VGA_CG3
;
1920 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
1923 } else if (!strstart(p
, "none", &opts
)) {
1925 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1929 const char *nextopt
;
1931 if (strstart(opts
, ",retrace=", &nextopt
)) {
1933 if (strstart(opts
, "dumb", &nextopt
))
1934 vga_retrace_method
= VGA_RETRACE_DUMB
;
1935 else if (strstart(opts
, "precise", &nextopt
))
1936 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1937 else goto invalid_vga
;
1938 } else goto invalid_vga
;
1943 static DisplayType
select_display(const char *p
)
1946 DisplayType display
= DT_DEFAULT
;
1948 if (strstart(p
, "sdl", &opts
)) {
1952 const char *nextopt
;
1954 if (strstart(opts
, ",frame=", &nextopt
)) {
1956 if (strstart(opts
, "on", &nextopt
)) {
1958 } else if (strstart(opts
, "off", &nextopt
)) {
1961 goto invalid_sdl_args
;
1963 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1965 if (strstart(opts
, "on", &nextopt
)) {
1967 } else if (strstart(opts
, "off", &nextopt
)) {
1970 goto invalid_sdl_args
;
1972 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1974 if (strstart(opts
, "on", &nextopt
)) {
1976 } else if (strstart(opts
, "off", &nextopt
)) {
1979 goto invalid_sdl_args
;
1981 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1983 if (strstart(opts
, "on", &nextopt
)) {
1985 } else if (strstart(opts
, "off", &nextopt
)) {
1988 goto invalid_sdl_args
;
1992 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1998 fprintf(stderr
, "SDL support is disabled\n");
2001 } else if (strstart(p
, "vnc", &opts
)) {
2005 if (vnc_parse_func(opts
+1) == NULL
) {
2009 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2013 fprintf(stderr
, "VNC support is disabled\n");
2016 } else if (strstart(p
, "curses", &opts
)) {
2017 #ifdef CONFIG_CURSES
2018 display
= DT_CURSES
;
2020 fprintf(stderr
, "Curses support is disabled\n");
2023 } else if (strstart(p
, "gtk", &opts
)) {
2027 const char *nextopt
;
2029 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2031 if (strstart(opts
, "on", &nextopt
)) {
2032 grab_on_hover
= true;
2033 } else if (strstart(opts
, "off", &nextopt
)) {
2034 grab_on_hover
= false;
2036 goto invalid_gtk_args
;
2040 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2046 fprintf(stderr
, "GTK support is disabled\n");
2049 } else if (strstart(p
, "none", &opts
)) {
2052 fprintf(stderr
, "Unknown display type: %s\n", p
);
2059 static int balloon_parse(const char *arg
)
2063 if (strcmp(arg
, "none") == 0) {
2067 if (!strncmp(arg
, "virtio", 6)) {
2068 if (arg
[6] == ',') {
2069 /* have params -> parse them */
2070 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2074 /* create empty opts */
2075 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2078 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2085 char *qemu_find_file(int type
, const char *name
)
2091 /* Try the name as a straight path first */
2092 if (access(name
, R_OK
) == 0) {
2093 trace_load_file(name
, name
);
2094 return g_strdup(name
);
2098 case QEMU_FILE_TYPE_BIOS
:
2101 case QEMU_FILE_TYPE_KEYMAP
:
2102 subdir
= "keymaps/";
2108 for (i
= 0; i
< data_dir_idx
; i
++) {
2109 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2110 if (access(buf
, R_OK
) == 0) {
2111 trace_load_file(name
, buf
);
2119 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2121 return qdev_device_help(opts
);
2124 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2128 dev
= qdev_device_add(opts
);
2131 object_unref(OBJECT(dev
));
2135 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2137 Error
*local_err
= NULL
;
2139 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2141 error_report_err(local_err
);
2147 #ifdef CONFIG_VIRTFS
2148 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2151 ret
= qemu_fsdev_add(opts
);
2157 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2159 CharDriverState
*chr
;
2160 const char *chardev
;
2164 mode
= qemu_opt_get(opts
, "mode");
2168 if (strcmp(mode
, "readline") == 0) {
2169 flags
= MONITOR_USE_READLINE
;
2170 } else if (strcmp(mode
, "control") == 0) {
2171 flags
= MONITOR_USE_CONTROL
;
2173 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2177 if (qemu_opt_get_bool(opts
, "pretty", 0))
2178 flags
|= MONITOR_USE_PRETTY
;
2180 if (qemu_opt_get_bool(opts
, "default", 0))
2181 flags
|= MONITOR_IS_DEFAULT
;
2183 chardev
= qemu_opt_get(opts
, "chardev");
2184 chr
= qemu_chr_find(chardev
);
2186 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2190 qemu_chr_fe_claim_no_fail(chr
);
2191 monitor_init(chr
, flags
);
2195 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2197 static int monitor_device_index
= 0;
2198 Error
*local_err
= NULL
;
2204 if (strstart(optarg
, "chardev:", &p
)) {
2205 snprintf(label
, sizeof(label
), "%s", p
);
2207 snprintf(label
, sizeof(label
), "compat_monitor%d",
2208 monitor_device_index
);
2209 if (monitor_device_index
== 0) {
2212 opts
= qemu_chr_parse_compat(label
, optarg
);
2214 fprintf(stderr
, "parse error: %s\n", optarg
);
2219 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2221 error_report_err(local_err
);
2224 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2225 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2226 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2228 qemu_opt_set(opts
, "default", "on", &error_abort
);
2229 monitor_device_index
++;
2232 struct device_config
{
2234 DEV_USB
, /* -usbdevice */
2236 DEV_SERIAL
, /* -serial */
2237 DEV_PARALLEL
, /* -parallel */
2238 DEV_VIRTCON
, /* -virtioconsole */
2239 DEV_DEBUGCON
, /* -debugcon */
2240 DEV_GDB
, /* -gdb, -s */
2241 DEV_SCLP
, /* s390 sclp */
2243 const char *cmdline
;
2245 QTAILQ_ENTRY(device_config
) next
;
2248 static QTAILQ_HEAD(, device_config
) device_configs
=
2249 QTAILQ_HEAD_INITIALIZER(device_configs
);
2251 static void add_device_config(int type
, const char *cmdline
)
2253 struct device_config
*conf
;
2255 conf
= g_malloc0(sizeof(*conf
));
2257 conf
->cmdline
= cmdline
;
2258 loc_save(&conf
->loc
);
2259 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2262 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2264 struct device_config
*conf
;
2267 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2268 if (conf
->type
!= type
)
2270 loc_push_restore(&conf
->loc
);
2271 rc
= func(conf
->cmdline
);
2272 loc_pop(&conf
->loc
);
2280 static int serial_parse(const char *devname
)
2282 static int index
= 0;
2285 if (strcmp(devname
, "none") == 0)
2287 if (index
== MAX_SERIAL_PORTS
) {
2288 fprintf(stderr
, "qemu: too many serial ports\n");
2291 snprintf(label
, sizeof(label
), "serial%d", index
);
2292 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2293 if (!serial_hds
[index
]) {
2294 fprintf(stderr
, "qemu: could not connect serial device"
2295 " to character backend '%s'\n", devname
);
2302 static int parallel_parse(const char *devname
)
2304 static int index
= 0;
2307 if (strcmp(devname
, "none") == 0)
2309 if (index
== MAX_PARALLEL_PORTS
) {
2310 fprintf(stderr
, "qemu: too many parallel ports\n");
2313 snprintf(label
, sizeof(label
), "parallel%d", index
);
2314 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2315 if (!parallel_hds
[index
]) {
2316 fprintf(stderr
, "qemu: could not connect parallel device"
2317 " to character backend '%s'\n", devname
);
2324 static int virtcon_parse(const char *devname
)
2326 QemuOptsList
*device
= qemu_find_opts("device");
2327 static int index
= 0;
2329 QemuOpts
*bus_opts
, *dev_opts
;
2331 if (strcmp(devname
, "none") == 0)
2333 if (index
== MAX_VIRTIO_CONSOLES
) {
2334 fprintf(stderr
, "qemu: too many virtio consoles\n");
2338 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2339 if (arch_type
== QEMU_ARCH_S390X
) {
2340 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390", &error_abort
);
2342 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci", &error_abort
);
2345 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2346 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2348 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2349 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2350 if (!virtcon_hds
[index
]) {
2351 fprintf(stderr
, "qemu: could not connect virtio console"
2352 " to character backend '%s'\n", devname
);
2355 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2361 static int sclp_parse(const char *devname
)
2363 QemuOptsList
*device
= qemu_find_opts("device");
2364 static int index
= 0;
2368 if (strcmp(devname
, "none") == 0) {
2371 if (index
== MAX_SCLP_CONSOLES
) {
2372 fprintf(stderr
, "qemu: too many sclp consoles\n");
2376 assert(arch_type
== QEMU_ARCH_S390X
);
2378 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2379 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2381 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2382 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2383 if (!sclp_hds
[index
]) {
2384 fprintf(stderr
, "qemu: could not connect sclp console"
2385 " to character backend '%s'\n", devname
);
2388 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2394 static int debugcon_parse(const char *devname
)
2398 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2401 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2403 fprintf(stderr
, "qemu: already have a debugcon device\n");
2406 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2407 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2411 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2413 const MachineClass
*mc1
= a
, *mc2
= b
;
2416 if (mc1
->family
== NULL
) {
2417 if (mc2
->family
== NULL
) {
2418 /* Compare standalone machine types against each other; they sort
2419 * in increasing order.
2421 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2422 object_class_get_name(OBJECT_CLASS(mc2
)));
2425 /* Standalone machine types sort after families. */
2429 if (mc2
->family
== NULL
) {
2430 /* Families sort before standalone machine types. */
2434 /* Families sort between each other alphabetically increasingly. */
2435 res
= strcmp(mc1
->family
, mc2
->family
);
2440 /* Within the same family, machine types sort in decreasing order. */
2441 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2442 object_class_get_name(OBJECT_CLASS(mc1
)));
2445 static MachineClass
*machine_parse(const char *name
)
2447 MachineClass
*mc
= NULL
;
2448 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2451 mc
= find_machine(name
);
2454 g_slist_free(machines
);
2457 if (name
&& !is_help_option(name
)) {
2458 error_report("Unsupported machine type");
2459 error_printf("Use -machine help to list supported machines!\n");
2461 printf("Supported machines are:\n");
2462 machines
= g_slist_sort(machines
, machine_class_cmp
);
2463 for (el
= machines
; el
; el
= el
->next
) {
2464 MachineClass
*mc
= el
->data
;
2466 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2468 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2469 mc
->is_default
? " (default)" : "");
2473 g_slist_free(machines
);
2474 exit(!name
|| !is_help_option(name
));
2477 void qemu_add_exit_notifier(Notifier
*notify
)
2479 notifier_list_add(&exit_notifiers
, notify
);
2482 void qemu_remove_exit_notifier(Notifier
*notify
)
2484 notifier_remove(notify
);
2487 static void qemu_run_exit_notifiers(void)
2489 notifier_list_notify(&exit_notifiers
, NULL
);
2492 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2494 notifier_list_add(&machine_init_done_notifiers
, notify
);
2497 static void qemu_run_machine_init_done_notifiers(void)
2499 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2502 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2503 const char **poptarg
, int *poptind
)
2505 const QEMUOption
*popt
;
2506 int optind
= *poptind
;
2507 char *r
= argv
[optind
];
2510 loc_set_cmdline(argv
, optind
, 1);
2512 /* Treat --foo the same as -foo. */
2515 popt
= qemu_options
;
2518 error_report("invalid option");
2521 if (!strcmp(popt
->name
, r
+ 1))
2525 if (popt
->flags
& HAS_ARG
) {
2526 if (optind
>= argc
) {
2527 error_report("requires an argument");
2530 optarg
= argv
[optind
++];
2531 loc_set_cmdline(argv
, optind
- 2, 2);
2542 static gpointer
malloc_and_trace(gsize n_bytes
)
2544 void *ptr
= malloc(n_bytes
);
2545 trace_g_malloc(n_bytes
, ptr
);
2549 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2551 void *ptr
= realloc(mem
, n_bytes
);
2552 trace_g_realloc(mem
, n_bytes
, ptr
);
2556 static void free_and_trace(gpointer mem
)
2562 static int machine_set_property(const char *name
, const char *value
,
2565 Object
*obj
= OBJECT(opaque
);
2566 Error
*local_err
= NULL
;
2569 if (strcmp(name
, "type") == 0) {
2573 qom_name
= g_strdup(name
);
2581 object_property_parse(obj
, value
, qom_name
, &local_err
);
2585 error_report_err(local_err
);
2592 static int object_create(QemuOpts
*opts
, void *opaque
)
2601 ov
= opts_visitor_new(opts
);
2602 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2604 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2609 qdict_del(pdict
, "qom-type");
2610 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2615 qdict_del(pdict
, "id");
2616 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2621 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2625 visit_end_struct(opts_get_visitor(ov
), &err
);
2627 qmp_object_del(id
, NULL
);
2631 opts_visitor_cleanup(ov
);
2638 error_report_err(err
);
2644 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
)
2647 const char *mem_str
;
2648 const char *maxmem_str
, *slots_str
;
2649 const ram_addr_t default_ram_size
= (ram_addr_t
)DEFAULT_RAM_SIZE
*
2651 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2654 mem_str
= qemu_opt_get(opts
, "size");
2657 error_report("missing 'size' option value");
2661 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2663 /* Fix up legacy suffix-less format */
2664 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2665 uint64_t overflow_check
= sz
;
2668 if ((sz
>> 20) != overflow_check
) {
2669 error_report("too large 'size' option value");
2675 /* backward compatibility behaviour for case "-m 0" */
2677 sz
= default_ram_size
;
2680 sz
= QEMU_ALIGN_UP(sz
, 8192);
2682 if (ram_size
!= sz
) {
2683 error_report("ram size too large");
2687 /* store value for the future use */
2688 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2689 *maxram_size
= ram_size
;
2691 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2692 slots_str
= qemu_opt_get(opts
, "slots");
2693 if (maxmem_str
&& slots_str
) {
2696 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2697 slots
= qemu_opt_get_number(opts
, "slots", 0);
2698 if (sz
< ram_size
) {
2699 error_report("invalid value of -m option maxmem: "
2700 "maximum memory size (0x%" PRIx64
") must be at least "
2701 "the initial memory size (0x" RAM_ADDR_FMT
")",
2704 } else if (sz
> ram_size
) {
2706 error_report("invalid value of -m option: maxmem was "
2707 "specified, but no hotplug slots were specified");
2711 error_report("invalid value of -m option maxmem: "
2712 "memory slots were specified but maximum memory size "
2713 "(0x%" PRIx64
") is equal to the initial memory size "
2714 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2720 } else if ((!maxmem_str
&& slots_str
) ||
2721 (maxmem_str
&& !slots_str
)) {
2722 error_report("invalid -m option value: missing "
2723 "'%s' option", slots_str
? "maxmem" : "slots");
2728 int main(int argc
, char **argv
, char **envp
)
2731 int snapshot
, linux_boot
;
2732 const char *initrd_filename
;
2733 const char *kernel_filename
, *kernel_cmdline
;
2734 const char *boot_order
= NULL
;
2735 const char *boot_once
= NULL
;
2737 int cyls
, heads
, secs
, translation
;
2738 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2739 QemuOptsList
*olist
;
2742 const char *loadvm
= NULL
;
2743 MachineClass
*machine_class
;
2744 const char *cpu_model
;
2745 const char *vga_model
= NULL
;
2746 const char *qtest_chrdev
= NULL
;
2747 const char *qtest_log
= NULL
;
2748 const char *pid_file
= NULL
;
2749 const char *incoming
= NULL
;
2751 int show_vnc_port
= 0;
2753 bool defconfig
= true;
2754 bool userconfig
= true;
2755 const char *log_mask
= NULL
;
2756 const char *log_file
= NULL
;
2757 GMemVTable mem_trace
= {
2758 .malloc
= malloc_and_trace
,
2759 .realloc
= realloc_and_trace
,
2760 .free
= free_and_trace
,
2762 const char *trace_events
= NULL
;
2763 const char *trace_file
= NULL
;
2764 ram_addr_t maxram_size
;
2765 uint64_t ram_slots
= 0;
2766 FILE *vmstate_dump_file
= NULL
;
2767 Error
*main_loop_err
= NULL
;
2769 qemu_init_cpu_loop();
2770 qemu_mutex_lock_iothread();
2772 atexit(qemu_run_exit_notifiers
);
2773 error_set_progname(argv
[0]);
2774 qemu_init_exec_dir(argv
[0]);
2776 g_mem_set_vtable(&mem_trace
);
2778 module_call_init(MODULE_INIT_QOM
);
2780 qemu_add_opts(&qemu_drive_opts
);
2781 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2782 qemu_add_drive_opts(&qemu_common_drive_opts
);
2783 qemu_add_drive_opts(&qemu_drive_opts
);
2784 qemu_add_opts(&qemu_chardev_opts
);
2785 qemu_add_opts(&qemu_device_opts
);
2786 qemu_add_opts(&qemu_netdev_opts
);
2787 qemu_add_opts(&qemu_net_opts
);
2788 qemu_add_opts(&qemu_rtc_opts
);
2789 qemu_add_opts(&qemu_global_opts
);
2790 qemu_add_opts(&qemu_mon_opts
);
2791 qemu_add_opts(&qemu_trace_opts
);
2792 qemu_add_opts(&qemu_option_rom_opts
);
2793 qemu_add_opts(&qemu_machine_opts
);
2794 qemu_add_opts(&qemu_mem_opts
);
2795 qemu_add_opts(&qemu_smp_opts
);
2796 qemu_add_opts(&qemu_boot_opts
);
2797 qemu_add_opts(&qemu_sandbox_opts
);
2798 qemu_add_opts(&qemu_add_fd_opts
);
2799 qemu_add_opts(&qemu_object_opts
);
2800 qemu_add_opts(&qemu_tpmdev_opts
);
2801 qemu_add_opts(&qemu_realtime_opts
);
2802 qemu_add_opts(&qemu_msg_opts
);
2803 qemu_add_opts(&qemu_name_opts
);
2804 qemu_add_opts(&qemu_numa_opts
);
2805 qemu_add_opts(&qemu_icount_opts
);
2806 qemu_add_opts(&qemu_semihosting_config_opts
);
2810 rtc_clock
= QEMU_CLOCK_HOST
;
2812 QLIST_INIT (&vm_change_state_head
);
2813 os_setup_early_signal_handling();
2815 module_call_init(MODULE_INIT_MACHINE
);
2816 machine_class
= find_default_machine();
2819 cyls
= heads
= secs
= 0;
2820 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2824 bdrv_init_with_whitelist();
2828 /* first pass of option parsing */
2830 while (optind
< argc
) {
2831 if (argv
[optind
][0] != '-') {
2835 const QEMUOption
*popt
;
2837 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2838 switch (popt
->index
) {
2839 case QEMU_OPTION_nodefconfig
:
2842 case QEMU_OPTION_nouserconfig
:
2851 ret
= qemu_read_default_config_files(userconfig
);
2857 /* second pass of option parsing */
2862 if (argv
[optind
][0] != '-') {
2863 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2865 const QEMUOption
*popt
;
2867 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2868 if (!(popt
->arch_mask
& arch_type
)) {
2869 printf("Option %s not supported for this target\n", popt
->name
);
2872 switch(popt
->index
) {
2873 case QEMU_OPTION_no_kvm_irqchip
: {
2874 olist
= qemu_find_opts("machine");
2875 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2878 case QEMU_OPTION_cpu
:
2879 /* hw initialization will check this */
2882 case QEMU_OPTION_hda
:
2886 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2888 snprintf(buf
, sizeof(buf
),
2889 "%s,cyls=%d,heads=%d,secs=%d%s",
2890 HD_OPTS
, cyls
, heads
, secs
,
2891 translation
== BIOS_ATA_TRANSLATION_LBA
?
2893 translation
== BIOS_ATA_TRANSLATION_NONE
?
2894 ",trans=none" : "");
2895 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2898 case QEMU_OPTION_hdb
:
2899 case QEMU_OPTION_hdc
:
2900 case QEMU_OPTION_hdd
:
2901 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2904 case QEMU_OPTION_drive
:
2905 if (drive_def(optarg
) == NULL
) {
2909 case QEMU_OPTION_set
:
2910 if (qemu_set_option(optarg
) != 0)
2913 case QEMU_OPTION_global
:
2914 if (qemu_global_option(optarg
) != 0)
2917 case QEMU_OPTION_mtdblock
:
2918 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2920 case QEMU_OPTION_sd
:
2921 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2923 case QEMU_OPTION_pflash
:
2924 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2926 case QEMU_OPTION_snapshot
:
2929 case QEMU_OPTION_hdachs
:
2933 cyls
= strtol(p
, (char **)&p
, 0);
2934 if (cyls
< 1 || cyls
> 16383)
2939 heads
= strtol(p
, (char **)&p
, 0);
2940 if (heads
< 1 || heads
> 16)
2945 secs
= strtol(p
, (char **)&p
, 0);
2946 if (secs
< 1 || secs
> 63)
2950 if (!strcmp(p
, "large")) {
2951 translation
= BIOS_ATA_TRANSLATION_LARGE
;
2952 } else if (!strcmp(p
, "rechs")) {
2953 translation
= BIOS_ATA_TRANSLATION_RECHS
;
2954 } else if (!strcmp(p
, "none")) {
2955 translation
= BIOS_ATA_TRANSLATION_NONE
;
2956 } else if (!strcmp(p
, "lba")) {
2957 translation
= BIOS_ATA_TRANSLATION_LBA
;
2958 } else if (!strcmp(p
, "auto")) {
2959 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2963 } else if (*p
!= '\0') {
2965 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2968 if (hda_opts
!= NULL
) {
2969 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
2971 qemu_opt_set_number(hda_opts
, "heads", heads
,
2973 qemu_opt_set_number(hda_opts
, "secs", secs
,
2975 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
2976 qemu_opt_set(hda_opts
, "trans", "large",
2978 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
2979 qemu_opt_set(hda_opts
, "trans", "rechs",
2981 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
2982 qemu_opt_set(hda_opts
, "trans", "lba",
2984 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
2985 qemu_opt_set(hda_opts
, "trans", "none",
2991 case QEMU_OPTION_numa
:
2992 opts
= qemu_opts_parse(qemu_find_opts("numa"), optarg
, 1);
2997 case QEMU_OPTION_display
:
2998 display_type
= select_display(optarg
);
3000 case QEMU_OPTION_nographic
:
3001 display_type
= DT_NOGRAPHIC
;
3003 case QEMU_OPTION_curses
:
3004 #ifdef CONFIG_CURSES
3005 display_type
= DT_CURSES
;
3007 fprintf(stderr
, "Curses support is disabled\n");
3011 case QEMU_OPTION_portrait
:
3012 graphic_rotate
= 90;
3014 case QEMU_OPTION_rotate
:
3015 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3016 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3017 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3019 "qemu: only 90, 180, 270 deg rotation is available\n");
3023 case QEMU_OPTION_kernel
:
3024 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3027 case QEMU_OPTION_initrd
:
3028 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3031 case QEMU_OPTION_append
:
3032 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3035 case QEMU_OPTION_dtb
:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3039 case QEMU_OPTION_cdrom
:
3040 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3042 case QEMU_OPTION_boot
:
3043 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3048 case QEMU_OPTION_fda
:
3049 case QEMU_OPTION_fdb
:
3050 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3053 case QEMU_OPTION_no_fd_bootchk
:
3056 case QEMU_OPTION_netdev
:
3057 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3061 case QEMU_OPTION_net
:
3062 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3066 #ifdef CONFIG_LIBISCSI
3067 case QEMU_OPTION_iscsi
:
3068 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3075 case QEMU_OPTION_tftp
:
3076 legacy_tftp_prefix
= optarg
;
3078 case QEMU_OPTION_bootp
:
3079 legacy_bootp_filename
= optarg
;
3081 case QEMU_OPTION_redir
:
3082 if (net_slirp_redir(optarg
) < 0)
3086 case QEMU_OPTION_bt
:
3087 add_device_config(DEV_BT
, optarg
);
3089 case QEMU_OPTION_audio_help
:
3093 case QEMU_OPTION_soundhw
:
3094 select_soundhw (optarg
);
3099 case QEMU_OPTION_version
:
3104 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3111 case QEMU_OPTION_tpmdev
:
3112 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3117 case QEMU_OPTION_mempath
:
3120 case QEMU_OPTION_mem_prealloc
:
3130 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3132 case QEMU_OPTION_gdb
:
3133 add_device_config(DEV_GDB
, optarg
);
3136 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3137 data_dir
[data_dir_idx
++] = optarg
;
3140 case QEMU_OPTION_bios
:
3141 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3144 case QEMU_OPTION_singlestep
:
3151 keyboard_layout
= optarg
;
3153 case QEMU_OPTION_localtime
:
3156 case QEMU_OPTION_vga
:
3165 w
= strtol(p
, (char **)&p
, 10);
3168 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3174 h
= strtol(p
, (char **)&p
, 10);
3179 depth
= strtol(p
, (char **)&p
, 10);
3180 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3181 depth
!= 24 && depth
!= 32)
3183 } else if (*p
== '\0') {
3184 depth
= graphic_depth
;
3191 graphic_depth
= depth
;
3194 case QEMU_OPTION_echr
:
3197 term_escape_char
= strtol(optarg
, &r
, 0);
3199 printf("Bad argument to echr\n");
3202 case QEMU_OPTION_monitor
:
3203 default_monitor
= 0;
3204 if (strncmp(optarg
, "none", 4)) {
3205 monitor_parse(optarg
, "readline", false);
3208 case QEMU_OPTION_qmp
:
3209 monitor_parse(optarg
, "control", false);
3210 default_monitor
= 0;
3212 case QEMU_OPTION_qmp_pretty
:
3213 monitor_parse(optarg
, "control", true);
3214 default_monitor
= 0;
3216 case QEMU_OPTION_mon
:
3217 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3221 default_monitor
= 0;
3223 case QEMU_OPTION_chardev
:
3224 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3229 case QEMU_OPTION_fsdev
:
3230 olist
= qemu_find_opts("fsdev");
3232 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3235 opts
= qemu_opts_parse(olist
, optarg
, 1);
3240 case QEMU_OPTION_virtfs
: {
3243 const char *writeout
, *sock_fd
, *socket
;
3245 olist
= qemu_find_opts("virtfs");
3247 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3250 opts
= qemu_opts_parse(olist
, optarg
, 1);
3255 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3256 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3257 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3260 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3261 qemu_opt_get(opts
, "mount_tag"),
3264 fprintf(stderr
, "duplicate fsdev id: %s\n",
3265 qemu_opt_get(opts
, "mount_tag"));
3269 writeout
= qemu_opt_get(opts
, "writeout");
3271 #ifdef CONFIG_SYNC_FILE_RANGE
3272 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3274 fprintf(stderr
, "writeout=immediate not supported on "
3279 qemu_opt_set(fsdev
, "fsdriver",
3280 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3281 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3283 qemu_opt_set(fsdev
, "security_model",
3284 qemu_opt_get(opts
, "security_model"),
3286 socket
= qemu_opt_get(opts
, "socket");
3288 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3290 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3292 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3295 qemu_opt_set_bool(fsdev
, "readonly",
3296 qemu_opt_get_bool(opts
, "readonly", 0),
3298 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3300 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3301 qemu_opt_set(device
, "fsdev",
3302 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3303 qemu_opt_set(device
, "mount_tag",
3304 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3307 case QEMU_OPTION_virtfs_synth
: {
3311 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3314 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3317 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3319 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3321 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3322 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3323 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3326 case QEMU_OPTION_serial
:
3327 add_device_config(DEV_SERIAL
, optarg
);
3329 if (strncmp(optarg
, "mon:", 4) == 0) {
3330 default_monitor
= 0;
3333 case QEMU_OPTION_watchdog
:
3336 "qemu: only one watchdog option may be given\n");
3341 case QEMU_OPTION_watchdog_action
:
3342 if (select_watchdog_action(optarg
) == -1) {
3343 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3347 case QEMU_OPTION_virtiocon
:
3348 add_device_config(DEV_VIRTCON
, optarg
);
3349 default_virtcon
= 0;
3350 if (strncmp(optarg
, "mon:", 4) == 0) {
3351 default_monitor
= 0;
3354 case QEMU_OPTION_parallel
:
3355 add_device_config(DEV_PARALLEL
, optarg
);
3356 default_parallel
= 0;
3357 if (strncmp(optarg
, "mon:", 4) == 0) {
3358 default_monitor
= 0;
3361 case QEMU_OPTION_debugcon
:
3362 add_device_config(DEV_DEBUGCON
, optarg
);
3364 case QEMU_OPTION_loadvm
:
3367 case QEMU_OPTION_full_screen
:
3370 case QEMU_OPTION_no_frame
:
3373 case QEMU_OPTION_alt_grab
:
3376 case QEMU_OPTION_ctrl_grab
:
3379 case QEMU_OPTION_no_quit
:
3382 case QEMU_OPTION_sdl
:
3384 display_type
= DT_SDL
;
3387 fprintf(stderr
, "SDL support is disabled\n");
3390 case QEMU_OPTION_pidfile
:
3393 case QEMU_OPTION_win2k_hack
:
3394 win2k_install_hack
= 1;
3396 case QEMU_OPTION_rtc_td_hack
: {
3397 static GlobalProperty slew_lost_ticks
[] = {
3399 .driver
= "mc146818rtc",
3400 .property
= "lost_tick_policy",
3403 { /* end of list */ }
3406 qdev_prop_register_global_list(slew_lost_ticks
);
3409 case QEMU_OPTION_acpitable
:
3410 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3414 do_acpitable_option(opts
);
3416 case QEMU_OPTION_smbios
:
3417 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3421 do_smbios_option(opts
);
3423 case QEMU_OPTION_enable_kvm
:
3424 olist
= qemu_find_opts("machine");
3425 qemu_opts_parse(olist
, "accel=kvm", 0);
3428 case QEMU_OPTION_machine
:
3429 olist
= qemu_find_opts("machine");
3430 opts
= qemu_opts_parse(olist
, optarg
, 1);
3435 case QEMU_OPTION_no_kvm
:
3436 olist
= qemu_find_opts("machine");
3437 qemu_opts_parse(olist
, "accel=tcg", 0);
3439 case QEMU_OPTION_no_kvm_pit
: {
3440 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3444 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3445 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3447 .driver
= "kvm-pit",
3448 .property
= "lost_tick_policy",
3451 { /* end of list */ }
3454 fprintf(stderr
, "Warning: option deprecated, use "
3455 "lost_tick_policy property of kvm-pit instead.\n");
3456 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3459 case QEMU_OPTION_usb
:
3460 olist
= qemu_find_opts("machine");
3461 qemu_opts_parse(olist
, "usb=on", 0);
3463 case QEMU_OPTION_usbdevice
:
3464 olist
= qemu_find_opts("machine");
3465 qemu_opts_parse(olist
, "usb=on", 0);
3466 add_device_config(DEV_USB
, optarg
);
3468 case QEMU_OPTION_device
:
3469 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3473 case QEMU_OPTION_smp
:
3474 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3478 case QEMU_OPTION_vnc
:
3481 if (vnc_parse_func(optarg
) == NULL
) {
3485 fprintf(stderr
, "VNC support is disabled\n");
3489 case QEMU_OPTION_no_acpi
:
3492 case QEMU_OPTION_no_hpet
:
3495 case QEMU_OPTION_balloon
:
3496 if (balloon_parse(optarg
) < 0) {
3497 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3501 case QEMU_OPTION_no_reboot
:
3504 case QEMU_OPTION_no_shutdown
:
3507 case QEMU_OPTION_show_cursor
:
3510 case QEMU_OPTION_uuid
:
3511 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3512 fprintf(stderr
, "Fail to parse UUID string."
3513 " Wrong format.\n");
3516 qemu_uuid_set
= true;
3518 case QEMU_OPTION_option_rom
:
3519 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3520 fprintf(stderr
, "Too many option ROMs\n");
3523 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3527 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3528 option_rom
[nb_option_roms
].bootindex
=
3529 qemu_opt_get_number(opts
, "bootindex", -1);
3530 if (!option_rom
[nb_option_roms
].name
) {
3531 fprintf(stderr
, "Option ROM file is not specified\n");
3536 case QEMU_OPTION_semihosting
:
3537 semihosting_enabled
= 1;
3538 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3540 case QEMU_OPTION_semihosting_config
:
3541 semihosting_enabled
= 1;
3542 opts
= qemu_opts_parse(qemu_find_opts("semihosting-config"),
3545 semihosting_enabled
= qemu_opt_get_bool(opts
, "enable",
3547 const char *target
= qemu_opt_get(opts
, "target");
3548 if (target
!= NULL
) {
3549 if (strcmp("native", target
) == 0) {
3550 semihosting_target
= SEMIHOSTING_TARGET_NATIVE
;
3551 } else if (strcmp("gdb", target
) == 0) {
3552 semihosting_target
= SEMIHOSTING_TARGET_GDB
;
3553 } else if (strcmp("auto", target
) == 0) {
3554 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3556 fprintf(stderr
, "Unsupported semihosting-config"
3562 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3565 fprintf(stderr
, "Unsupported semihosting-config %s\n",
3570 case QEMU_OPTION_tdf
:
3571 fprintf(stderr
, "Warning: user space PIT time drift fix "
3572 "is no longer supported.\n");
3574 case QEMU_OPTION_name
:
3575 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3580 case QEMU_OPTION_prom_env
:
3581 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3582 fprintf(stderr
, "Too many prom variables\n");
3585 prom_envs
[nb_prom_envs
] = optarg
;
3588 case QEMU_OPTION_old_param
:
3591 case QEMU_OPTION_clock
:
3592 /* Clock options no longer exist. Keep this option for
3593 * backward compatibility.
3596 case QEMU_OPTION_startdate
:
3597 configure_rtc_date_offset(optarg
, 1);
3599 case QEMU_OPTION_rtc
:
3600 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3604 configure_rtc(opts
);
3606 case QEMU_OPTION_tb_size
:
3607 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3608 if (tcg_tb_size
< 0) {
3612 case QEMU_OPTION_icount
:
3613 icount_opts
= qemu_opts_parse(qemu_find_opts("icount"),
3619 case QEMU_OPTION_incoming
:
3621 runstate_set(RUN_STATE_INMIGRATE
);
3623 case QEMU_OPTION_nodefaults
:
3626 case QEMU_OPTION_xen_domid
:
3627 if (!(xen_available())) {
3628 printf("Option %s not supported for this target\n", popt
->name
);
3631 xen_domid
= atoi(optarg
);
3633 case QEMU_OPTION_xen_create
:
3634 if (!(xen_available())) {
3635 printf("Option %s not supported for this target\n", popt
->name
);
3638 xen_mode
= XEN_CREATE
;
3640 case QEMU_OPTION_xen_attach
:
3641 if (!(xen_available())) {
3642 printf("Option %s not supported for this target\n", popt
->name
);
3645 xen_mode
= XEN_ATTACH
;
3647 case QEMU_OPTION_trace
:
3649 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3653 trace_events
= qemu_opt_get(opts
, "events");
3654 trace_file
= qemu_opt_get(opts
, "file");
3657 case QEMU_OPTION_readconfig
:
3659 int ret
= qemu_read_config_file(optarg
);
3661 fprintf(stderr
, "read config %s: %s\n", optarg
,
3667 case QEMU_OPTION_spice
:
3668 olist
= qemu_find_opts("spice");
3670 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3673 opts
= qemu_opts_parse(olist
, optarg
, 0);
3679 case QEMU_OPTION_writeconfig
:
3682 if (strcmp(optarg
, "-") == 0) {
3685 fp
= fopen(optarg
, "w");
3687 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3691 qemu_config_write(fp
);
3697 case QEMU_OPTION_qtest
:
3698 qtest_chrdev
= optarg
;
3700 case QEMU_OPTION_qtest_log
:
3703 case QEMU_OPTION_sandbox
:
3704 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3709 case QEMU_OPTION_add_fd
:
3711 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3716 error_report("File descriptor passing is disabled on this "
3721 case QEMU_OPTION_object
:
3722 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3727 case QEMU_OPTION_realtime
:
3728 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3732 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3734 case QEMU_OPTION_msg
:
3735 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3739 configure_msg(opts
);
3741 case QEMU_OPTION_dump_vmstate
:
3742 if (vmstate_dump_file
) {
3743 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3744 "option may be given\n");
3747 vmstate_dump_file
= fopen(optarg
, "w");
3748 if (vmstate_dump_file
== NULL
) {
3749 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3754 os_parse_cmd_args(popt
->index
, optarg
);
3759 opts
= qemu_get_machine_opts();
3760 optarg
= qemu_opt_get(opts
, "type");
3762 machine_class
= machine_parse(optarg
);
3765 set_memory_options(&ram_slots
, &maxram_size
);
3771 if (qemu_init_main_loop(&main_loop_err
)) {
3772 error_report_err(main_loop_err
);
3776 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3780 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name
, NULL
, 1)) {
3785 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3789 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3794 if (machine_class
== NULL
) {
3795 fprintf(stderr
, "No machine specified, and there is no default.\n"
3796 "Use -machine help to list supported machines!\n");
3800 current_machine
= MACHINE(object_new(object_class_get_name(
3801 OBJECT_CLASS(machine_class
))));
3802 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3805 object_property_add_child(object_get_root(), "machine",
3806 OBJECT(current_machine
), &error_abort
);
3807 cpu_exec_init_all();
3809 if (machine_class
->hw_version
) {
3810 qemu_set_version(machine_class
->hw_version
);
3813 /* Init CPU def lists, based on config
3814 * - Must be called after all the qemu_read_config_file() calls
3815 * - Must be called before list_cpus()
3816 * - Must be called before machine->init()
3820 if (cpu_model
&& is_help_option(cpu_model
)) {
3821 list_cpus(stdout
, &fprintf
, cpu_model
);
3825 /* Open the logfile at this point, if necessary. We can't open the logfile
3826 * when encountering either of the logging options (-d or -D) because the
3827 * other one may be encountered later on the command line, changing the
3828 * location or level of logging.
3833 qemu_set_log_filename(log_file
);
3836 mask
= qemu_str_to_log_mask(log_mask
);
3838 qemu_print_log_usage(stdout
);
3844 if (!is_daemonized()) {
3845 if (!trace_init_backends(trace_events
, trace_file
)) {
3850 /* If no data_dir is specified then try to find it relative to the
3852 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3853 data_dir
[data_dir_idx
] = os_find_datadir();
3854 if (data_dir
[data_dir_idx
] != NULL
) {
3858 /* If all else fails use the install path specified when building. */
3859 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3860 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3863 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3865 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
3866 if (max_cpus
> machine_class
->max_cpus
) {
3867 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3868 "supported by machine `%s' (%d)\n", max_cpus
,
3869 machine_class
->name
, machine_class
->max_cpus
);
3874 * Get the default machine options from the machine if it is not already
3875 * specified either by the configuration file or by the command line.
3877 if (machine_class
->default_machine_opts
) {
3878 qemu_opts_set_defaults(qemu_find_opts("machine"),
3879 machine_class
->default_machine_opts
, 0);
3882 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3883 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3885 if (!vga_model
&& !default_vga
) {
3886 vga_interface_type
= VGA_DEVICE
;
3888 if (!has_defaults
|| machine_class
->no_serial
) {
3891 if (!has_defaults
|| machine_class
->no_parallel
) {
3892 default_parallel
= 0;
3894 if (!has_defaults
|| !machine_class
->use_virtcon
) {
3895 default_virtcon
= 0;
3897 if (!has_defaults
|| !machine_class
->use_sclp
) {
3900 if (!has_defaults
|| machine_class
->no_floppy
) {
3903 if (!has_defaults
|| machine_class
->no_cdrom
) {
3906 if (!has_defaults
|| machine_class
->no_sdcard
) {
3909 if (!has_defaults
) {
3910 default_monitor
= 0;
3915 if (is_daemonized()) {
3916 /* According to documentation and historically, -nographic redirects
3917 * serial port, parallel port and monitor to stdio, which does not work
3918 * with -daemonize. We can redirect these to null instead, but since
3919 * -nographic is legacy, let's just error out.
3920 * We disallow -nographic only if all other ports are not redirected
3921 * explicitly, to not break existing legacy setups which uses
3922 * -nographic _and_ redirects all ports explicitly - this is valid
3923 * usage, -nographic is just a no-op in this case.
3925 if (display_type
== DT_NOGRAPHIC
3926 && (default_parallel
|| default_serial
3927 || default_monitor
|| default_virtcon
)) {
3928 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3931 #ifdef CONFIG_CURSES
3932 if (display_type
== DT_CURSES
) {
3933 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3939 if (display_type
== DT_NOGRAPHIC
) {
3940 if (default_parallel
)
3941 add_device_config(DEV_PARALLEL
, "null");
3942 if (default_serial
&& default_monitor
) {
3943 add_device_config(DEV_SERIAL
, "mon:stdio");
3944 } else if (default_virtcon
&& default_monitor
) {
3945 add_device_config(DEV_VIRTCON
, "mon:stdio");
3946 } else if (default_sclp
&& default_monitor
) {
3947 add_device_config(DEV_SCLP
, "mon:stdio");
3950 add_device_config(DEV_SERIAL
, "stdio");
3951 if (default_virtcon
)
3952 add_device_config(DEV_VIRTCON
, "stdio");
3954 add_device_config(DEV_SCLP
, "stdio");
3956 if (default_monitor
)
3957 monitor_parse("stdio", "readline", false);
3961 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3962 if (default_parallel
)
3963 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3964 if (default_monitor
)
3965 monitor_parse("vc:80Cx24C", "readline", false);
3966 if (default_virtcon
)
3967 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3969 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3973 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3974 #if defined(CONFIG_GTK)
3975 display_type
= DT_GTK
;
3976 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3977 display_type
= DT_SDL
;
3978 #elif defined(CONFIG_VNC)
3979 vnc_parse_func("localhost:0,to=99,id=default");
3982 display_type
= DT_NONE
;
3986 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
3987 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3988 "for SDL, ignoring option\n");
3990 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
3991 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
3992 "ignoring option\n");
3995 #if defined(CONFIG_GTK)
3996 if (display_type
== DT_GTK
) {
3997 early_gtk_display_init();
4003 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4005 #ifdef CONFIG_VIRTFS
4006 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4011 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4012 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4016 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4021 if (qemu_opts_foreach(qemu_find_opts("object"),
4022 object_create
, NULL
, 0) != 0) {
4026 machine_opts
= qemu_get_machine_opts();
4027 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4029 object_unref(OBJECT(current_machine
));
4033 configure_accelerator(current_machine
);
4036 Error
*local_err
= NULL
;
4037 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4039 error_report_err(local_err
);
4044 machine_opts
= qemu_get_machine_opts();
4045 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4046 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4047 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4048 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4050 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4052 Error
*local_err
= NULL
;
4054 boot_order
= qemu_opt_get(opts
, "order");
4056 validate_bootdevices(boot_order
, &local_err
);
4058 error_report_err(local_err
);
4063 boot_once
= qemu_opt_get(opts
, "once");
4065 validate_bootdevices(boot_once
, &local_err
);
4067 error_report_err(local_err
);
4072 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4073 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4077 boot_order
= machine_class
->default_boot_order
;
4080 if (!kernel_cmdline
) {
4081 kernel_cmdline
= "";
4082 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4085 linux_boot
= (kernel_filename
!= NULL
);
4087 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4088 fprintf(stderr
, "-append only allowed with -kernel option\n");
4092 if (!linux_boot
&& initrd_filename
!= NULL
) {
4093 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4097 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4098 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4102 os_set_line_buffering();
4105 /* spice needs the timers to be initialized by this point */
4111 if (kvm_enabled() || xen_enabled()) {
4112 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4115 configure_icount(icount_opts
, &error_abort
);
4116 qemu_opts_del(icount_opts
);
4119 /* clean up network at qemu process termination */
4120 atexit(&net_cleanup
);
4122 if (net_init_clients() < 0) {
4127 if (tpm_init() < 0) {
4132 /* init the bluetooth world */
4133 if (foreach_device_config(DEV_BT
, bt_parse
))
4136 if (!xen_enabled()) {
4137 /* On 32-bit hosts, QEMU is limited by virtual address space */
4138 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4139 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4147 /* If the currently selected machine wishes to override the units-per-bus
4148 * property of its default HBA interface type, do so now. */
4149 if (machine_class
->units_per_default_bus
) {
4150 override_max_devs(machine_class
->block_default_type
,
4151 machine_class
->units_per_default_bus
);
4154 /* open the virtual block devices */
4156 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4157 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4158 &machine_class
->block_default_type
, 1) != 0) {
4162 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4164 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4165 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4169 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4173 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4175 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4177 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4179 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4182 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4185 /* If no default VGA is requested, the default is "none". */
4187 if (machine_class
->default_display
) {
4188 vga_model
= machine_class
->default_display
;
4189 } else if (cirrus_vga_available()) {
4190 vga_model
= "cirrus";
4191 } else if (vga_available()) {
4196 select_vgahw(vga_model
);
4200 i
= select_watchdog(watchdog
);
4202 exit (i
== 1 ? 1 : 0);
4205 if (machine_class
->compat_props
) {
4206 qdev_prop_register_global_list(machine_class
->compat_props
);
4210 qdev_machine_init();
4212 current_machine
->ram_size
= ram_size
;
4213 current_machine
->maxram_size
= maxram_size
;
4214 current_machine
->ram_slots
= ram_slots
;
4215 current_machine
->boot_order
= boot_order
;
4216 current_machine
->cpu_model
= cpu_model
;
4218 machine_class
->init(current_machine
);
4224 cpu_synchronize_all_post_init();
4226 numa_post_machine_init();
4228 /* init USB devices */
4229 if (usb_enabled()) {
4230 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4234 /* init generic devices */
4235 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4238 /* Did we create any drives that we failed to create a device for? */
4239 drive_check_orphaned();
4241 net_check_clients();
4244 Error
*local_err
= NULL
;
4245 qemu_boot_set(boot_once
, &local_err
);
4247 error_report("%s", error_get_pretty(local_err
));
4250 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4253 ds
= init_displaystate();
4255 /* init local displays */
4256 switch (display_type
) {
4258 (void)ds
; /* avoid warning if no display is configured */
4260 #if defined(CONFIG_CURSES)
4262 curses_display_init(ds
, full_screen
);
4265 #if defined(CONFIG_SDL)
4267 sdl_display_init(ds
, full_screen
, no_frame
);
4269 #elif defined(CONFIG_COCOA)
4271 cocoa_display_init(ds
, full_screen
);
4274 #if defined(CONFIG_GTK)
4276 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4283 /* must be after terminal init, SDL library changes signal handlers */
4284 os_setup_signal_handling();
4287 /* init remote displays */
4288 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func
, NULL
, 0);
4289 if (show_vnc_port
) {
4290 printf("VNC server running on `%s'\n",
4291 vnc_display_local_addr("default"));
4296 qemu_spice_display_init();
4300 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4304 qdev_machine_creation_done();
4306 if (rom_load_all() != 0) {
4307 fprintf(stderr
, "rom loading failed\n");
4311 /* TODO: once all bus devices are qdevified, this should be done
4312 * when bus is created by qdev.c */
4313 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4314 qemu_run_machine_init_done_notifiers();
4316 /* Done notifiers can load ROMs */
4319 qemu_system_reset(VMRESET_SILENT
);
4321 if (load_vmstate(loadvm
) < 0) {
4326 qdev_prop_check_globals();
4327 if (vmstate_dump_file
) {
4329 dump_vmstate_json_to_file(vmstate_dump_file
);
4334 Error
*local_err
= NULL
;
4335 qemu_start_incoming_migration(incoming
, &local_err
);
4337 error_report("-incoming %s: %s", incoming
,
4338 error_get_pretty(local_err
));
4339 error_free(local_err
);
4342 } else if (autostart
) {
4348 if (is_daemonized()) {
4349 if (!trace_init_backends(trace_events
, trace_file
)) {