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 "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
122 #define DEFAULT_RAM_SIZE 128
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
127 static const char *data_dir
[16];
128 static int data_dir_idx
;
129 const char *bios_name
= NULL
;
130 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
131 DisplayType display_type
= DT_DEFAULT
;
132 static int display_remote
;
133 const char* keyboard_layout
= NULL
;
135 const char *mem_path
= NULL
;
136 int mem_prealloc
= 0; /* force preallocation of physical target memory */
137 bool enable_mlock
= false;
139 NICInfo nd_table
[MAX_NICS
];
141 static int rtc_utc
= 1;
142 static int rtc_date_offset
= -1; /* -1 means no change */
143 QEMUClockType rtc_clock
;
144 int vga_interface_type
= VGA_NONE
;
145 static int full_screen
= 0;
146 static int no_frame
= 0;
149 static bool grab_on_hover
;
151 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
152 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
153 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
154 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
155 int win2k_install_hack
= 0;
161 int acpi_enabled
= 1;
164 static int no_reboot
;
167 int graphic_rotate
= 0;
168 const char *watchdog
;
169 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
171 int semihosting_enabled
= 0;
173 const char *qemu_name
;
176 unsigned int nb_prom_envs
= 0;
177 const char *prom_envs
[MAX_PROM_ENVS
];
180 uint8_t *boot_splash_filedata
;
181 size_t boot_splash_filedata_size
;
182 uint8_t qemu_extra_params_fw
[2];
184 int icount_align_option
;
188 NodeInfo numa_info
[MAX_NODES
];
190 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 uint8_t qemu_uuid
[16];
196 static NotifierList exit_notifiers
=
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
199 static NotifierList machine_init_done_notifiers
=
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
204 enum xen_mode xen_mode
= XEN_EMULATE
;
206 static int has_defaults
= 1;
207 static int default_serial
= 1;
208 static int default_parallel
= 1;
209 static int default_virtcon
= 1;
210 static int default_sclp
= 1;
211 static int default_monitor
= 1;
212 static int default_floppy
= 1;
213 static int default_cdrom
= 1;
214 static int default_sdcard
= 1;
215 static int default_vga
= 1;
221 { .driver
= "isa-serial", .flag
= &default_serial
},
222 { .driver
= "isa-parallel", .flag
= &default_parallel
},
223 { .driver
= "isa-fdc", .flag
= &default_floppy
},
224 { .driver
= "ide-cd", .flag
= &default_cdrom
},
225 { .driver
= "ide-hd", .flag
= &default_cdrom
},
226 { .driver
= "ide-drive", .flag
= &default_cdrom
},
227 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
228 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
229 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
230 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
231 { .driver
= "VGA", .flag
= &default_vga
},
232 { .driver
= "isa-vga", .flag
= &default_vga
},
233 { .driver
= "cirrus-vga", .flag
= &default_vga
},
234 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
235 { .driver
= "vmware-svga", .flag
= &default_vga
},
236 { .driver
= "qxl-vga", .flag
= &default_vga
},
239 static QemuOptsList qemu_rtc_opts
= {
241 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
245 .type
= QEMU_OPT_STRING
,
248 .type
= QEMU_OPT_STRING
,
251 .type
= QEMU_OPT_STRING
,
253 { /* end of list */ }
257 static QemuOptsList qemu_sandbox_opts
= {
259 .implied_opt_name
= "enable",
260 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
264 .type
= QEMU_OPT_BOOL
,
266 { /* end of list */ }
270 static QemuOptsList qemu_trace_opts
= {
272 .implied_opt_name
= "trace",
273 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
277 .type
= QEMU_OPT_STRING
,
280 .type
= QEMU_OPT_STRING
,
282 { /* end of list */ }
286 static QemuOptsList qemu_option_rom_opts
= {
287 .name
= "option-rom",
288 .implied_opt_name
= "romfile",
289 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
293 .type
= QEMU_OPT_NUMBER
,
296 .type
= QEMU_OPT_STRING
,
298 { /* end of list */ }
302 static QemuOptsList qemu_machine_opts
= {
304 .implied_opt_name
= "type",
306 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
317 static QemuOptsList qemu_boot_opts
= {
319 .implied_opt_name
= "order",
321 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
325 .type
= QEMU_OPT_STRING
,
328 .type
= QEMU_OPT_STRING
,
331 .type
= QEMU_OPT_BOOL
,
334 .type
= QEMU_OPT_STRING
,
336 .name
= "splash-time",
337 .type
= QEMU_OPT_STRING
,
339 .name
= "reboot-timeout",
340 .type
= QEMU_OPT_STRING
,
343 .type
= QEMU_OPT_BOOL
,
349 static QemuOptsList qemu_add_fd_opts
= {
351 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
355 .type
= QEMU_OPT_NUMBER
,
356 .help
= "file descriptor of which a duplicate is added to fd set",
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "ID of the fd set to add fd to",
363 .type
= QEMU_OPT_STRING
,
364 .help
= "free-form string used to describe fd",
366 { /* end of list */ }
370 static QemuOptsList qemu_object_opts
= {
372 .implied_opt_name
= "qom-type",
373 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
379 static QemuOptsList qemu_tpmdev_opts
= {
381 .implied_opt_name
= "type",
382 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
389 static QemuOptsList qemu_realtime_opts
= {
391 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
395 .type
= QEMU_OPT_BOOL
,
397 { /* end of list */ }
401 static QemuOptsList qemu_msg_opts
= {
403 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
407 .type
= QEMU_OPT_BOOL
,
409 { /* end of list */ }
413 static QemuOptsList qemu_name_opts
= {
415 .implied_opt_name
= "guest",
417 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
421 .type
= QEMU_OPT_STRING
,
422 .help
= "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
427 .type
= QEMU_OPT_STRING
,
428 .help
= "Sets the name of the QEMU process, as shown in top etc",
430 .name
= "debug-threads",
431 .type
= QEMU_OPT_BOOL
,
432 .help
= "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
436 { /* End of list */ }
440 static QemuOptsList qemu_mem_opts
= {
442 .implied_opt_name
= "size",
443 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
448 .type
= QEMU_OPT_SIZE
,
452 .type
= QEMU_OPT_NUMBER
,
456 .type
= QEMU_OPT_SIZE
,
458 { /* end of list */ }
462 static QemuOptsList qemu_icount_opts
= {
464 .implied_opt_name
= "shift",
466 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
470 .type
= QEMU_OPT_STRING
,
473 .type
= QEMU_OPT_BOOL
,
475 { /* end of list */ }
479 static QemuOptsList qemu_semihosting_config_opts
= {
480 .name
= "semihosting-config",
481 .implied_opt_name
= "enable",
482 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
486 .type
= QEMU_OPT_BOOL
,
489 .type
= QEMU_OPT_STRING
,
491 { /* end of list */ }
496 * Get machine options
498 * Returns: machine options (never null).
500 QemuOpts
*qemu_get_machine_opts(void)
502 return qemu_find_opts_singleton("machine");
505 const char *qemu_get_vm_name(void)
510 static void res_free(void)
512 if (boot_splash_filedata
!= NULL
) {
513 g_free(boot_splash_filedata
);
514 boot_splash_filedata
= NULL
;
518 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
520 const char *driver
= qemu_opt_get(opts
, "driver");
525 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
526 if (strcmp(default_list
[i
].driver
, driver
) != 0)
528 *(default_list
[i
].flag
) = 0;
533 /***********************************************************/
536 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
538 /* We use RUN_STATE_MAX but any invalid value will do */
539 static RunState vmstop_requested
= RUN_STATE_MAX
;
540 static QemuMutex vmstop_lock
;
545 } RunStateTransition
;
547 static const RunStateTransition runstate_transitions_def
[] = {
549 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
550 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
552 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
553 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
555 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
556 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
558 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
559 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
561 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
562 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
564 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
565 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
567 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
568 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
569 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
571 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
572 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
574 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
576 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
577 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
578 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
579 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
580 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
582 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
583 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
584 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
585 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
587 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
589 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
590 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
593 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
594 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
595 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
598 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
600 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
601 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_MAX
, RUN_STATE_MAX
},
606 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
608 bool runstate_check(RunState state
)
610 return current_run_state
== state
;
613 static void runstate_init(void)
615 const RunStateTransition
*p
;
617 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
618 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
619 runstate_valid_transitions
[p
->from
][p
->to
] = true;
622 qemu_mutex_init(&vmstop_lock
);
625 /* This function will abort() on invalid state transitions */
626 void runstate_set(RunState new_state
)
628 assert(new_state
< RUN_STATE_MAX
);
630 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
631 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
632 RunState_lookup
[current_run_state
],
633 RunState_lookup
[new_state
]);
636 trace_runstate_set(new_state
);
637 current_run_state
= new_state
;
640 int runstate_is_running(void)
642 return runstate_check(RUN_STATE_RUNNING
);
645 bool runstate_needs_reset(void)
647 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
648 runstate_check(RUN_STATE_SHUTDOWN
);
651 StatusInfo
*qmp_query_status(Error
**errp
)
653 StatusInfo
*info
= g_malloc0(sizeof(*info
));
655 info
->running
= runstate_is_running();
656 info
->singlestep
= singlestep
;
657 info
->status
= current_run_state
;
662 static bool qemu_vmstop_requested(RunState
*r
)
664 qemu_mutex_lock(&vmstop_lock
);
665 *r
= vmstop_requested
;
666 vmstop_requested
= RUN_STATE_MAX
;
667 qemu_mutex_unlock(&vmstop_lock
);
668 return *r
< RUN_STATE_MAX
;
671 void qemu_system_vmstop_request_prepare(void)
673 qemu_mutex_lock(&vmstop_lock
);
676 void qemu_system_vmstop_request(RunState state
)
678 vmstop_requested
= state
;
679 qemu_mutex_unlock(&vmstop_lock
);
687 qemu_vmstop_requested(&requested
);
688 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
692 /* Ensure that a STOP/RESUME pair of events is emitted if a
693 * vmstop request was pending. The BLOCK_IO_ERROR event, for
694 * example, according to documentation is always followed by
697 if (runstate_is_running()) {
698 qapi_event_send_stop(&error_abort
);
701 runstate_set(RUN_STATE_RUNNING
);
702 vm_state_notify(1, RUN_STATE_RUNNING
);
706 qapi_event_send_resume(&error_abort
);
710 /***********************************************************/
711 /* real time host monotonic timer */
713 /***********************************************************/
714 /* host time/date access */
715 void qemu_get_timedate(struct tm
*tm
, int offset
)
721 if (rtc_date_offset
== -1) {
725 localtime_r(&ti
, tm
);
727 ti
-= rtc_date_offset
;
732 int qemu_timedate_diff(struct tm
*tm
)
736 if (rtc_date_offset
== -1)
738 seconds
= mktimegm(tm
);
741 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
742 seconds
= mktime(&tmp
);
745 seconds
= mktimegm(tm
) + rtc_date_offset
;
747 return seconds
- time(NULL
);
750 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
752 time_t rtc_start_date
;
755 if (!strcmp(startdate
, "now") && legacy
) {
756 rtc_date_offset
= -1;
758 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
766 } else if (sscanf(startdate
, "%d-%d-%d",
778 rtc_start_date
= mktimegm(&tm
);
779 if (rtc_start_date
== -1) {
781 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
782 "'2006-06-17T16:01:21' or '2006-06-17'\n");
785 rtc_date_offset
= time(NULL
) - rtc_start_date
;
789 static void configure_rtc(QemuOpts
*opts
)
793 value
= qemu_opt_get(opts
, "base");
795 if (!strcmp(value
, "utc")) {
797 } else if (!strcmp(value
, "localtime")) {
800 configure_rtc_date_offset(value
, 0);
803 value
= qemu_opt_get(opts
, "clock");
805 if (!strcmp(value
, "host")) {
806 rtc_clock
= QEMU_CLOCK_HOST
;
807 } else if (!strcmp(value
, "rt")) {
808 rtc_clock
= QEMU_CLOCK_REALTIME
;
809 } else if (!strcmp(value
, "vm")) {
810 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
812 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
816 value
= qemu_opt_get(opts
, "driftfix");
818 if (!strcmp(value
, "slew")) {
819 static GlobalProperty slew_lost_ticks
[] = {
821 .driver
= "mc146818rtc",
822 .property
= "lost_tick_policy",
825 { /* end of list */ }
828 qdev_prop_register_global_list(slew_lost_ticks
);
829 } else if (!strcmp(value
, "none")) {
830 /* discard is default */
832 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
838 /***********************************************************/
839 /* Bluetooth support */
842 static struct HCIInfo
*hci_table
[MAX_NICS
];
844 struct HCIInfo
*qemu_next_hci(void)
846 if (cur_hci
== nb_hcis
)
849 return hci_table
[cur_hci
++];
852 static int bt_hci_parse(const char *str
)
857 if (nb_hcis
>= MAX_NICS
) {
858 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
871 bdaddr
.b
[5] = 0x56 + nb_hcis
;
872 hci
->bdaddr_set(hci
, bdaddr
.b
);
874 hci_table
[nb_hcis
++] = hci
;
879 static void bt_vhci_add(int vlan_id
)
881 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
884 fprintf(stderr
, "qemu: warning: adding a VHCI to "
885 "an empty scatternet %i\n", vlan_id
);
887 bt_vhci_init(bt_new_hci(vlan
));
890 static struct bt_device_s
*bt_device_add(const char *opt
)
892 struct bt_scatternet_s
*vlan
;
894 char *endp
= strstr(opt
, ",vlan=");
895 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
898 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
901 vlan_id
= strtol(endp
+ 6, &endp
, 0);
903 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
908 vlan
= qemu_find_bt_vlan(vlan_id
);
911 fprintf(stderr
, "qemu: warning: adding a slave device to "
912 "an empty scatternet %i\n", vlan_id
);
914 if (!strcmp(devname
, "keyboard"))
915 return bt_keyboard_init(vlan
);
917 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
921 static int bt_parse(const char *opt
)
923 const char *endp
, *p
;
926 if (strstart(opt
, "hci", &endp
)) {
927 if (!*endp
|| *endp
== ',') {
929 if (!strstart(endp
, ",vlan=", 0))
932 return bt_hci_parse(opt
);
934 } else if (strstart(opt
, "vhci", &endp
)) {
935 if (!*endp
|| *endp
== ',') {
937 if (strstart(endp
, ",vlan=", &p
)) {
938 vlan
= strtol(p
, (char **) &endp
, 0);
940 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
944 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
953 } else if (strstart(opt
, "device:", &endp
))
954 return !bt_device_add(endp
);
956 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
960 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
962 /* FIXME: change this to true for 1.3 */
963 if (qemu_opt_get_bool(opts
, "enable", false)) {
964 #ifdef CONFIG_SECCOMP
965 if (seccomp_start() < 0) {
966 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
967 "failed to install seccomp syscall filter in the kernel");
971 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
972 "sandboxing request but seccomp is not compiled into this build");
980 static int parse_name(QemuOpts
*opts
, void *opaque
)
982 const char *proc_name
;
984 if (qemu_opt_get(opts
, "debug-threads")) {
985 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
987 qemu_name
= qemu_opt_get(opts
, "guest");
989 proc_name
= qemu_opt_get(opts
, "process");
991 os_set_proc_name(proc_name
);
997 bool defaults_enabled(void)
1002 bool usb_enabled(void)
1004 return machine_usb(current_machine
);
1008 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1010 int fd
, dupfd
, flags
;
1012 const char *fd_opaque
= NULL
;
1014 fd
= qemu_opt_get_number(opts
, "fd", -1);
1015 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1016 fd_opaque
= qemu_opt_get(opts
, "opaque");
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1020 "fd option is required and must be non-negative");
1024 if (fd
<= STDERR_FILENO
) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1026 "fd cannot be a standard I/O stream");
1031 * All fds inherited across exec() necessarily have FD_CLOEXEC
1032 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1034 flags
= fcntl(fd
, F_GETFD
);
1035 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1036 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1037 "fd is not valid or already in use");
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1043 "set option is required and must be non-negative");
1047 #ifdef F_DUPFD_CLOEXEC
1048 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1052 qemu_set_cloexec(dupfd
);
1056 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1057 "Error duplicating fd: %s", strerror(errno
));
1061 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1062 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1068 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1072 fd
= qemu_opt_get_number(opts
, "fd", -1);
1079 /***********************************************************/
1080 /* QEMU Block devices */
1082 #define HD_OPTS "media=disk"
1083 #define CDROM_OPTS "media=cdrom"
1085 #define PFLASH_OPTS ""
1089 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1091 BlockInterfaceType
*block_default_type
= opaque
;
1093 return drive_new(opts
, *block_default_type
) == NULL
;
1096 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1098 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1099 qemu_opt_set(opts
, "snapshot", "on");
1104 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1105 int index
, const char *optstr
)
1110 if (!enable
|| drive_get_by_index(type
, index
)) {
1114 opts
= drive_add(type
, index
, NULL
, optstr
);
1116 drive_enable_snapshot(opts
, NULL
);
1119 dinfo
= drive_new(opts
, type
);
1123 dinfo
->is_default
= true;
1127 static QemuOptsList qemu_smp_opts
= {
1129 .implied_opt_name
= "cpus",
1130 .merge_lists
= true,
1131 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1135 .type
= QEMU_OPT_NUMBER
,
1138 .type
= QEMU_OPT_NUMBER
,
1141 .type
= QEMU_OPT_NUMBER
,
1144 .type
= QEMU_OPT_NUMBER
,
1147 .type
= QEMU_OPT_NUMBER
,
1149 { /*End of list */ }
1153 static void smp_parse(QemuOpts
*opts
)
1157 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1158 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1159 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1160 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1162 /* compute missing values, prefer sockets over cores over threads */
1163 if (cpus
== 0 || sockets
== 0) {
1164 sockets
= sockets
> 0 ? sockets
: 1;
1165 cores
= cores
> 0 ? cores
: 1;
1166 threads
= threads
> 0 ? threads
: 1;
1168 cpus
= cores
* threads
* sockets
;
1170 } else if (cores
== 0) {
1171 threads
= threads
> 0 ? threads
: 1;
1172 cores
= cpus
/ (sockets
* threads
);
1173 } else if (threads
== 0) {
1174 threads
= cpus
/ (cores
* sockets
);
1175 } else if (sockets
* cores
* threads
< cpus
) {
1176 fprintf(stderr
, "cpu topology: error: "
1177 "sockets (%u) * cores (%u) * threads (%u) < "
1179 sockets
, cores
, threads
, cpus
);
1183 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1186 smp_cores
= cores
> 0 ? cores
: 1;
1187 smp_threads
= threads
> 0 ? threads
: 1;
1191 if (max_cpus
== 0) {
1192 max_cpus
= smp_cpus
;
1195 if (max_cpus
> MAX_CPUMASK_BITS
) {
1196 fprintf(stderr
, "Unsupported number of maxcpus\n");
1199 if (max_cpus
< smp_cpus
) {
1200 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1206 static void realtime_init(void)
1209 if (os_mlock() < 0) {
1210 fprintf(stderr
, "qemu: locking memory failed\n");
1217 static void configure_msg(QemuOpts
*opts
)
1219 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1222 /***********************************************************/
1225 static int usb_device_add(const char *devname
)
1227 USBDevice
*dev
= NULL
;
1228 #ifndef CONFIG_LINUX
1232 if (!usb_enabled()) {
1236 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1237 dev
= usbdevice_create(devname
);
1241 /* the other ones */
1242 #ifndef CONFIG_LINUX
1243 /* only the linux version is qdev-ified, usb-bsd still needs this */
1244 if (strstart(devname
, "host:", &p
)) {
1245 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1255 static int usb_device_del(const char *devname
)
1260 if (strstart(devname
, "host:", &p
)) {
1264 if (!usb_enabled()) {
1268 p
= strchr(devname
, '.');
1271 bus_num
= strtoul(devname
, NULL
, 0);
1272 addr
= strtoul(p
+ 1, NULL
, 0);
1274 return usb_device_delete_addr(bus_num
, addr
);
1277 static int usb_parse(const char *cmdline
)
1280 r
= usb_device_add(cmdline
);
1282 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1287 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1289 const char *devname
= qdict_get_str(qdict
, "devname");
1290 if (usb_device_add(devname
) < 0) {
1291 error_report("could not add USB device '%s'", devname
);
1295 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1297 const char *devname
= qdict_get_str(qdict
, "devname");
1298 if (usb_device_del(devname
) < 0) {
1299 error_report("could not delete USB device '%s'", devname
);
1303 /***********************************************************/
1304 /* machine registration */
1306 MachineState
*current_machine
;
1308 static void machine_class_init(ObjectClass
*oc
, void *data
)
1310 MachineClass
*mc
= MACHINE_CLASS(oc
);
1311 QEMUMachine
*qm
= data
;
1313 mc
->family
= qm
->family
;
1314 mc
->name
= qm
->name
;
1315 mc
->alias
= qm
->alias
;
1316 mc
->desc
= qm
->desc
;
1317 mc
->init
= qm
->init
;
1318 mc
->reset
= qm
->reset
;
1319 mc
->hot_add_cpu
= qm
->hot_add_cpu
;
1320 mc
->kvm_type
= qm
->kvm_type
;
1321 mc
->block_default_type
= qm
->block_default_type
;
1322 mc
->units_per_default_bus
= qm
->units_per_default_bus
;
1323 mc
->max_cpus
= qm
->max_cpus
;
1324 mc
->no_serial
= qm
->no_serial
;
1325 mc
->no_parallel
= qm
->no_parallel
;
1326 mc
->use_virtcon
= qm
->use_virtcon
;
1327 mc
->use_sclp
= qm
->use_sclp
;
1328 mc
->no_floppy
= qm
->no_floppy
;
1329 mc
->no_cdrom
= qm
->no_cdrom
;
1330 mc
->no_sdcard
= qm
->no_sdcard
;
1331 mc
->has_dynamic_sysbus
= qm
->has_dynamic_sysbus
;
1332 mc
->is_default
= qm
->is_default
;
1333 mc
->default_machine_opts
= qm
->default_machine_opts
;
1334 mc
->default_boot_order
= qm
->default_boot_order
;
1335 mc
->default_display
= qm
->default_display
;
1336 mc
->compat_props
= qm
->compat_props
;
1337 mc
->hw_version
= qm
->hw_version
;
1340 int qemu_register_machine(QEMUMachine
*m
)
1342 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1345 .parent
= TYPE_MACHINE
,
1346 .class_init
= machine_class_init
,
1347 .class_data
= (void *)m
,
1356 static MachineClass
*find_machine(const char *name
)
1358 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1359 MachineClass
*mc
= NULL
;
1361 for (el
= machines
; el
; el
= el
->next
) {
1362 MachineClass
*temp
= el
->data
;
1364 if (!strcmp(temp
->name
, name
)) {
1369 !strcmp(temp
->alias
, name
)) {
1375 g_slist_free(machines
);
1379 MachineClass
*find_default_machine(void)
1381 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1382 MachineClass
*mc
= NULL
;
1384 for (el
= machines
; el
; el
= el
->next
) {
1385 MachineClass
*temp
= el
->data
;
1387 if (temp
->is_default
) {
1393 g_slist_free(machines
);
1397 MachineInfoList
*qmp_query_machines(Error
**errp
)
1399 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1400 MachineInfoList
*mach_list
= NULL
;
1402 for (el
= machines
; el
; el
= el
->next
) {
1403 MachineClass
*mc
= el
->data
;
1404 MachineInfoList
*entry
;
1407 info
= g_malloc0(sizeof(*info
));
1408 if (mc
->is_default
) {
1409 info
->has_is_default
= true;
1410 info
->is_default
= true;
1414 info
->has_alias
= true;
1415 info
->alias
= g_strdup(mc
->alias
);
1418 info
->name
= g_strdup(mc
->name
);
1419 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1421 entry
= g_malloc0(sizeof(*entry
));
1422 entry
->value
= info
;
1423 entry
->next
= mach_list
;
1427 g_slist_free(machines
);
1431 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1433 ObjectProperty
*prop
;
1435 if (!qemu_opt_has_help_opt(opts
)) {
1439 QTAILQ_FOREACH(prop
, &OBJECT(machine
)->properties
, node
) {
1444 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1445 prop
->name
, prop
->type
);
1446 if (prop
->description
) {
1447 error_printf(" (%s)\n", prop
->description
);
1456 /***********************************************************/
1457 /* main execution loop */
1459 struct vm_change_state_entry
{
1460 VMChangeStateHandler
*cb
;
1462 QLIST_ENTRY (vm_change_state_entry
) entries
;
1465 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1467 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1470 VMChangeStateEntry
*e
;
1472 e
= g_malloc0(sizeof (*e
));
1476 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1480 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1482 QLIST_REMOVE (e
, entries
);
1486 void vm_state_notify(int running
, RunState state
)
1488 VMChangeStateEntry
*e
, *next
;
1490 trace_vm_state_notify(running
, state
);
1492 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1493 e
->cb(e
->opaque
, running
, state
);
1497 /* reset/shutdown handler */
1499 typedef struct QEMUResetEntry
{
1500 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1501 QEMUResetHandler
*func
;
1505 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1506 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1507 static int reset_requested
;
1508 static int shutdown_requested
, shutdown_signal
= -1;
1509 static pid_t shutdown_pid
;
1510 static int powerdown_requested
;
1511 static int debug_requested
;
1512 static int suspend_requested
;
1513 static WakeupReason wakeup_reason
;
1514 static NotifierList powerdown_notifiers
=
1515 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1516 static NotifierList suspend_notifiers
=
1517 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1518 static NotifierList wakeup_notifiers
=
1519 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1520 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1522 int qemu_shutdown_requested_get(void)
1524 return shutdown_requested
;
1527 int qemu_reset_requested_get(void)
1529 return reset_requested
;
1532 static int qemu_shutdown_requested(void)
1534 return atomic_xchg(&shutdown_requested
, 0);
1537 static void qemu_kill_report(void)
1539 if (!qtest_driver() && shutdown_signal
!= -1) {
1540 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1541 if (shutdown_pid
== 0) {
1542 /* This happens for eg ^C at the terminal, so it's worth
1543 * avoiding printing an odd message in that case.
1545 fputc('\n', stderr
);
1547 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1549 shutdown_signal
= -1;
1553 static int qemu_reset_requested(void)
1555 int r
= reset_requested
;
1556 reset_requested
= 0;
1560 static int qemu_suspend_requested(void)
1562 int r
= suspend_requested
;
1563 suspend_requested
= 0;
1567 static WakeupReason
qemu_wakeup_requested(void)
1569 return wakeup_reason
;
1572 static int qemu_powerdown_requested(void)
1574 int r
= powerdown_requested
;
1575 powerdown_requested
= 0;
1579 static int qemu_debug_requested(void)
1581 int r
= debug_requested
;
1582 debug_requested
= 0;
1586 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1588 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1591 re
->opaque
= opaque
;
1592 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1595 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1599 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1600 if (re
->func
== func
&& re
->opaque
== opaque
) {
1601 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1608 void qemu_devices_reset(void)
1610 QEMUResetEntry
*re
, *nre
;
1612 /* reset all devices */
1613 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1614 re
->func(re
->opaque
);
1618 void qemu_system_reset(bool report
)
1622 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1624 if (mc
&& mc
->reset
) {
1627 qemu_devices_reset();
1630 qapi_event_send_reset(&error_abort
);
1632 cpu_synchronize_all_post_reset();
1635 void qemu_system_reset_request(void)
1638 shutdown_requested
= 1;
1640 reset_requested
= 1;
1643 qemu_notify_event();
1646 static void qemu_system_suspend(void)
1649 notifier_list_notify(&suspend_notifiers
, NULL
);
1650 runstate_set(RUN_STATE_SUSPENDED
);
1651 qapi_event_send_suspend(&error_abort
);
1654 void qemu_system_suspend_request(void)
1656 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1659 suspend_requested
= 1;
1661 qemu_notify_event();
1664 void qemu_register_suspend_notifier(Notifier
*notifier
)
1666 notifier_list_add(&suspend_notifiers
, notifier
);
1669 void qemu_system_wakeup_request(WakeupReason reason
)
1671 trace_system_wakeup_request(reason
);
1673 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1676 if (!(wakeup_reason_mask
& (1 << reason
))) {
1679 runstate_set(RUN_STATE_RUNNING
);
1680 wakeup_reason
= reason
;
1681 qemu_notify_event();
1684 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1687 wakeup_reason_mask
|= (1 << reason
);
1689 wakeup_reason_mask
&= ~(1 << reason
);
1693 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1695 notifier_list_add(&wakeup_notifiers
, notifier
);
1698 void qemu_system_killed(int signal
, pid_t pid
)
1700 shutdown_signal
= signal
;
1703 qemu_system_shutdown_request();
1706 void qemu_system_shutdown_request(void)
1708 trace_qemu_system_shutdown_request();
1709 shutdown_requested
= 1;
1710 qemu_notify_event();
1713 static void qemu_system_powerdown(void)
1715 qapi_event_send_powerdown(&error_abort
);
1716 notifier_list_notify(&powerdown_notifiers
, NULL
);
1719 void qemu_system_powerdown_request(void)
1721 trace_qemu_system_powerdown_request();
1722 powerdown_requested
= 1;
1723 qemu_notify_event();
1726 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1728 notifier_list_add(&powerdown_notifiers
, notifier
);
1731 void qemu_system_debug_request(void)
1733 debug_requested
= 1;
1734 qemu_notify_event();
1737 static bool main_loop_should_exit(void)
1740 if (qemu_debug_requested()) {
1741 vm_stop(RUN_STATE_DEBUG
);
1743 if (qemu_suspend_requested()) {
1744 qemu_system_suspend();
1746 if (qemu_shutdown_requested()) {
1748 qapi_event_send_shutdown(&error_abort
);
1750 vm_stop(RUN_STATE_SHUTDOWN
);
1755 if (qemu_reset_requested()) {
1757 cpu_synchronize_all_states();
1758 qemu_system_reset(VMRESET_REPORT
);
1760 if (runstate_needs_reset()) {
1761 runstate_set(RUN_STATE_PAUSED
);
1764 if (qemu_wakeup_requested()) {
1766 cpu_synchronize_all_states();
1767 qemu_system_reset(VMRESET_SILENT
);
1768 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1769 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1771 qapi_event_send_wakeup(&error_abort
);
1773 if (qemu_powerdown_requested()) {
1774 qemu_system_powerdown();
1776 if (qemu_vmstop_requested(&r
)) {
1782 static void main_loop(void)
1786 #ifdef CONFIG_PROFILER
1790 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1791 #ifdef CONFIG_PROFILER
1792 ti
= profile_getclock();
1794 last_io
= main_loop_wait(nonblocking
);
1795 #ifdef CONFIG_PROFILER
1796 dev_time
+= profile_getclock() - ti
;
1798 } while (!main_loop_should_exit());
1801 static void version(void)
1803 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1806 static void help(int exitcode
)
1809 printf("usage: %s [options] [disk_image]\n\n"
1810 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1811 error_get_progname());
1813 #define QEMU_OPTIONS_GENERATE_HELP
1814 #include "qemu-options-wrapper.h"
1816 printf("\nDuring emulation, the following keys are useful:\n"
1817 "ctrl-alt-f toggle full screen\n"
1818 "ctrl-alt-n switch to virtual console 'n'\n"
1819 "ctrl-alt toggle mouse and keyboard grab\n"
1821 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1826 #define HAS_ARG 0x0001
1828 typedef struct QEMUOption
{
1835 static const QEMUOption qemu_options
[] = {
1836 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1837 #define QEMU_OPTIONS_GENERATE_OPTIONS
1838 #include "qemu-options-wrapper.h"
1842 static bool vga_available(void)
1844 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1847 static bool cirrus_vga_available(void)
1849 return object_class_by_name("cirrus-vga")
1850 || object_class_by_name("isa-cirrus-vga");
1853 static bool vmware_vga_available(void)
1855 return object_class_by_name("vmware-svga");
1858 static bool qxl_vga_available(void)
1860 return object_class_by_name("qxl-vga");
1863 static bool tcx_vga_available(void)
1865 return object_class_by_name("SUNW,tcx");
1868 static bool cg3_vga_available(void)
1870 return object_class_by_name("cgthree");
1873 static void select_vgahw (const char *p
)
1877 assert(vga_interface_type
== VGA_NONE
);
1878 if (strstart(p
, "std", &opts
)) {
1879 if (vga_available()) {
1880 vga_interface_type
= VGA_STD
;
1882 fprintf(stderr
, "Error: standard VGA not available\n");
1885 } else if (strstart(p
, "cirrus", &opts
)) {
1886 if (cirrus_vga_available()) {
1887 vga_interface_type
= VGA_CIRRUS
;
1889 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1892 } else if (strstart(p
, "vmware", &opts
)) {
1893 if (vmware_vga_available()) {
1894 vga_interface_type
= VGA_VMWARE
;
1896 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1899 } else if (strstart(p
, "xenfb", &opts
)) {
1900 vga_interface_type
= VGA_XENFB
;
1901 } else if (strstart(p
, "qxl", &opts
)) {
1902 if (qxl_vga_available()) {
1903 vga_interface_type
= VGA_QXL
;
1905 fprintf(stderr
, "Error: QXL VGA not available\n");
1908 } else if (strstart(p
, "tcx", &opts
)) {
1909 if (tcx_vga_available()) {
1910 vga_interface_type
= VGA_TCX
;
1912 fprintf(stderr
, "Error: TCX framebuffer not available\n");
1915 } else if (strstart(p
, "cg3", &opts
)) {
1916 if (cg3_vga_available()) {
1917 vga_interface_type
= VGA_CG3
;
1919 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
1922 } else if (!strstart(p
, "none", &opts
)) {
1924 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1928 const char *nextopt
;
1930 if (strstart(opts
, ",retrace=", &nextopt
)) {
1932 if (strstart(opts
, "dumb", &nextopt
))
1933 vga_retrace_method
= VGA_RETRACE_DUMB
;
1934 else if (strstart(opts
, "precise", &nextopt
))
1935 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1936 else goto invalid_vga
;
1937 } else goto invalid_vga
;
1942 static DisplayType
select_display(const char *p
)
1945 DisplayType display
= DT_DEFAULT
;
1947 if (strstart(p
, "sdl", &opts
)) {
1951 const char *nextopt
;
1953 if (strstart(opts
, ",frame=", &nextopt
)) {
1955 if (strstart(opts
, "on", &nextopt
)) {
1957 } else if (strstart(opts
, "off", &nextopt
)) {
1960 goto invalid_sdl_args
;
1962 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1964 if (strstart(opts
, "on", &nextopt
)) {
1966 } else if (strstart(opts
, "off", &nextopt
)) {
1969 goto invalid_sdl_args
;
1971 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1973 if (strstart(opts
, "on", &nextopt
)) {
1975 } else if (strstart(opts
, "off", &nextopt
)) {
1978 goto invalid_sdl_args
;
1980 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1982 if (strstart(opts
, "on", &nextopt
)) {
1984 } else if (strstart(opts
, "off", &nextopt
)) {
1987 goto invalid_sdl_args
;
1991 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1997 fprintf(stderr
, "SDL support is disabled\n");
2000 } else if (strstart(p
, "vnc", &opts
)) {
2004 if (vnc_parse_func(opts
+1) == NULL
) {
2008 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2012 fprintf(stderr
, "VNC support is disabled\n");
2015 } else if (strstart(p
, "curses", &opts
)) {
2016 #ifdef CONFIG_CURSES
2017 display
= DT_CURSES
;
2019 fprintf(stderr
, "Curses support is disabled\n");
2022 } else if (strstart(p
, "gtk", &opts
)) {
2026 const char *nextopt
;
2028 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2030 if (strstart(opts
, "on", &nextopt
)) {
2031 grab_on_hover
= true;
2032 } else if (strstart(opts
, "off", &nextopt
)) {
2033 grab_on_hover
= false;
2035 goto invalid_gtk_args
;
2039 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2045 fprintf(stderr
, "GTK support is disabled\n");
2048 } else if (strstart(p
, "none", &opts
)) {
2051 fprintf(stderr
, "Unknown display type: %s\n", p
);
2058 static int balloon_parse(const char *arg
)
2062 if (strcmp(arg
, "none") == 0) {
2066 if (!strncmp(arg
, "virtio", 6)) {
2067 if (arg
[6] == ',') {
2068 /* have params -> parse them */
2069 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2073 /* create empty opts */
2074 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2077 qemu_opt_set(opts
, "driver", "virtio-balloon");
2084 char *qemu_find_file(int type
, const char *name
)
2090 /* Try the name as a straight path first */
2091 if (access(name
, R_OK
) == 0) {
2092 trace_load_file(name
, name
);
2093 return g_strdup(name
);
2097 case QEMU_FILE_TYPE_BIOS
:
2100 case QEMU_FILE_TYPE_KEYMAP
:
2101 subdir
= "keymaps/";
2107 for (i
= 0; i
< data_dir_idx
; i
++) {
2108 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2109 if (access(buf
, R_OK
) == 0) {
2110 trace_load_file(name
, buf
);
2118 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2120 return qdev_device_help(opts
);
2123 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2127 dev
= qdev_device_add(opts
);
2130 object_unref(OBJECT(dev
));
2134 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2136 Error
*local_err
= NULL
;
2138 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2140 error_report_err(local_err
);
2146 #ifdef CONFIG_VIRTFS
2147 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2150 ret
= qemu_fsdev_add(opts
);
2156 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2158 CharDriverState
*chr
;
2159 const char *chardev
;
2163 mode
= qemu_opt_get(opts
, "mode");
2167 if (strcmp(mode
, "readline") == 0) {
2168 flags
= MONITOR_USE_READLINE
;
2169 } else if (strcmp(mode
, "control") == 0) {
2170 flags
= MONITOR_USE_CONTROL
;
2172 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2176 if (qemu_opt_get_bool(opts
, "pretty", 0))
2177 flags
|= MONITOR_USE_PRETTY
;
2179 if (qemu_opt_get_bool(opts
, "default", 0))
2180 flags
|= MONITOR_IS_DEFAULT
;
2182 chardev
= qemu_opt_get(opts
, "chardev");
2183 chr
= qemu_chr_find(chardev
);
2185 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2189 qemu_chr_fe_claim_no_fail(chr
);
2190 monitor_init(chr
, flags
);
2194 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2196 static int monitor_device_index
= 0;
2197 Error
*local_err
= NULL
;
2203 if (strstart(optarg
, "chardev:", &p
)) {
2204 snprintf(label
, sizeof(label
), "%s", p
);
2206 snprintf(label
, sizeof(label
), "compat_monitor%d",
2207 monitor_device_index
);
2208 if (monitor_device_index
== 0) {
2211 opts
= qemu_chr_parse_compat(label
, optarg
);
2213 fprintf(stderr
, "parse error: %s\n", optarg
);
2218 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2220 error_report_err(local_err
);
2223 qemu_opt_set(opts
, "mode", mode
);
2224 qemu_opt_set(opts
, "chardev", label
);
2225 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2227 qemu_opt_set(opts
, "default", "on");
2228 monitor_device_index
++;
2231 struct device_config
{
2233 DEV_USB
, /* -usbdevice */
2235 DEV_SERIAL
, /* -serial */
2236 DEV_PARALLEL
, /* -parallel */
2237 DEV_VIRTCON
, /* -virtioconsole */
2238 DEV_DEBUGCON
, /* -debugcon */
2239 DEV_GDB
, /* -gdb, -s */
2240 DEV_SCLP
, /* s390 sclp */
2242 const char *cmdline
;
2244 QTAILQ_ENTRY(device_config
) next
;
2247 static QTAILQ_HEAD(, device_config
) device_configs
=
2248 QTAILQ_HEAD_INITIALIZER(device_configs
);
2250 static void add_device_config(int type
, const char *cmdline
)
2252 struct device_config
*conf
;
2254 conf
= g_malloc0(sizeof(*conf
));
2256 conf
->cmdline
= cmdline
;
2257 loc_save(&conf
->loc
);
2258 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2261 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2263 struct device_config
*conf
;
2266 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2267 if (conf
->type
!= type
)
2269 loc_push_restore(&conf
->loc
);
2270 rc
= func(conf
->cmdline
);
2271 loc_pop(&conf
->loc
);
2279 static int serial_parse(const char *devname
)
2281 static int index
= 0;
2284 if (strcmp(devname
, "none") == 0)
2286 if (index
== MAX_SERIAL_PORTS
) {
2287 fprintf(stderr
, "qemu: too many serial ports\n");
2290 snprintf(label
, sizeof(label
), "serial%d", index
);
2291 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2292 if (!serial_hds
[index
]) {
2293 fprintf(stderr
, "qemu: could not connect serial device"
2294 " to character backend '%s'\n", devname
);
2301 static int parallel_parse(const char *devname
)
2303 static int index
= 0;
2306 if (strcmp(devname
, "none") == 0)
2308 if (index
== MAX_PARALLEL_PORTS
) {
2309 fprintf(stderr
, "qemu: too many parallel ports\n");
2312 snprintf(label
, sizeof(label
), "parallel%d", index
);
2313 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2314 if (!parallel_hds
[index
]) {
2315 fprintf(stderr
, "qemu: could not connect parallel device"
2316 " to character backend '%s'\n", devname
);
2323 static int virtcon_parse(const char *devname
)
2325 QemuOptsList
*device
= qemu_find_opts("device");
2326 static int index
= 0;
2328 QemuOpts
*bus_opts
, *dev_opts
;
2330 if (strcmp(devname
, "none") == 0)
2332 if (index
== MAX_VIRTIO_CONSOLES
) {
2333 fprintf(stderr
, "qemu: too many virtio consoles\n");
2337 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2338 if (arch_type
== QEMU_ARCH_S390X
) {
2339 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2341 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2344 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2345 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2347 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2348 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2349 if (!virtcon_hds
[index
]) {
2350 fprintf(stderr
, "qemu: could not connect virtio console"
2351 " to character backend '%s'\n", devname
);
2354 qemu_opt_set(dev_opts
, "chardev", label
);
2360 static int sclp_parse(const char *devname
)
2362 QemuOptsList
*device
= qemu_find_opts("device");
2363 static int index
= 0;
2367 if (strcmp(devname
, "none") == 0) {
2370 if (index
== MAX_SCLP_CONSOLES
) {
2371 fprintf(stderr
, "qemu: too many sclp consoles\n");
2375 assert(arch_type
== QEMU_ARCH_S390X
);
2377 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2378 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2380 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2381 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2382 if (!sclp_hds
[index
]) {
2383 fprintf(stderr
, "qemu: could not connect sclp console"
2384 " to character backend '%s'\n", devname
);
2387 qemu_opt_set(dev_opts
, "chardev", label
);
2393 static int debugcon_parse(const char *devname
)
2397 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2400 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2402 fprintf(stderr
, "qemu: already have a debugcon device\n");
2405 qemu_opt_set(opts
, "driver", "isa-debugcon");
2406 qemu_opt_set(opts
, "chardev", "debugcon");
2410 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2412 const MachineClass
*mc1
= a
, *mc2
= b
;
2415 if (mc1
->family
== NULL
) {
2416 if (mc2
->family
== NULL
) {
2417 /* Compare standalone machine types against each other; they sort
2418 * in increasing order.
2420 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2421 object_class_get_name(OBJECT_CLASS(mc2
)));
2424 /* Standalone machine types sort after families. */
2428 if (mc2
->family
== NULL
) {
2429 /* Families sort before standalone machine types. */
2433 /* Families sort between each other alphabetically increasingly. */
2434 res
= strcmp(mc1
->family
, mc2
->family
);
2439 /* Within the same family, machine types sort in decreasing order. */
2440 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2441 object_class_get_name(OBJECT_CLASS(mc1
)));
2444 static MachineClass
*machine_parse(const char *name
)
2446 MachineClass
*mc
= NULL
;
2447 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2450 mc
= find_machine(name
);
2453 g_slist_free(machines
);
2456 if (name
&& !is_help_option(name
)) {
2457 error_report("Unsupported machine type");
2458 error_printf("Use -machine help to list supported machines!\n");
2460 printf("Supported machines are:\n");
2461 machines
= g_slist_sort(machines
, machine_class_cmp
);
2462 for (el
= machines
; el
; el
= el
->next
) {
2463 MachineClass
*mc
= el
->data
;
2465 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2467 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2468 mc
->is_default
? " (default)" : "");
2472 g_slist_free(machines
);
2473 exit(!name
|| !is_help_option(name
));
2476 void qemu_add_exit_notifier(Notifier
*notify
)
2478 notifier_list_add(&exit_notifiers
, notify
);
2481 void qemu_remove_exit_notifier(Notifier
*notify
)
2483 notifier_remove(notify
);
2486 static void qemu_run_exit_notifiers(void)
2488 notifier_list_notify(&exit_notifiers
, NULL
);
2491 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2493 notifier_list_add(&machine_init_done_notifiers
, notify
);
2496 static void qemu_run_machine_init_done_notifiers(void)
2498 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2501 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2502 const char **poptarg
, int *poptind
)
2504 const QEMUOption
*popt
;
2505 int optind
= *poptind
;
2506 char *r
= argv
[optind
];
2509 loc_set_cmdline(argv
, optind
, 1);
2511 /* Treat --foo the same as -foo. */
2514 popt
= qemu_options
;
2517 error_report("invalid option");
2520 if (!strcmp(popt
->name
, r
+ 1))
2524 if (popt
->flags
& HAS_ARG
) {
2525 if (optind
>= argc
) {
2526 error_report("requires an argument");
2529 optarg
= argv
[optind
++];
2530 loc_set_cmdline(argv
, optind
- 2, 2);
2541 static gpointer
malloc_and_trace(gsize n_bytes
)
2543 void *ptr
= malloc(n_bytes
);
2544 trace_g_malloc(n_bytes
, ptr
);
2548 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2550 void *ptr
= realloc(mem
, n_bytes
);
2551 trace_g_realloc(mem
, n_bytes
, ptr
);
2555 static void free_and_trace(gpointer mem
)
2561 static int machine_set_property(const char *name
, const char *value
,
2564 Object
*obj
= OBJECT(opaque
);
2565 Error
*local_err
= NULL
;
2568 if (strcmp(name
, "type") == 0) {
2572 qom_name
= g_strdup(name
);
2580 object_property_parse(obj
, value
, qom_name
, &local_err
);
2584 error_report_err(local_err
);
2591 static int object_create(QemuOpts
*opts
, void *opaque
)
2600 ov
= opts_visitor_new(opts
);
2601 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2603 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2608 qdict_del(pdict
, "qom-type");
2609 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2614 qdict_del(pdict
, "id");
2615 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2620 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2624 visit_end_struct(opts_get_visitor(ov
), &err
);
2626 qmp_object_del(id
, NULL
);
2630 opts_visitor_cleanup(ov
);
2637 error_report_err(err
);
2643 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
)
2646 const char *mem_str
;
2647 const char *maxmem_str
, *slots_str
;
2648 const ram_addr_t default_ram_size
= (ram_addr_t
)DEFAULT_RAM_SIZE
*
2650 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2653 mem_str
= qemu_opt_get(opts
, "size");
2656 error_report("missing 'size' option value");
2660 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2662 /* Fix up legacy suffix-less format */
2663 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2664 uint64_t overflow_check
= sz
;
2667 if ((sz
>> 20) != overflow_check
) {
2668 error_report("too large 'size' option value");
2674 /* backward compatibility behaviour for case "-m 0" */
2676 sz
= default_ram_size
;
2679 sz
= QEMU_ALIGN_UP(sz
, 8192);
2681 if (ram_size
!= sz
) {
2682 error_report("ram size too large");
2686 /* store value for the future use */
2687 qemu_opt_set_number(opts
, "size", ram_size
);
2688 *maxram_size
= ram_size
;
2690 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2691 slots_str
= qemu_opt_get(opts
, "slots");
2692 if (maxmem_str
&& slots_str
) {
2695 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2696 if (sz
< ram_size
) {
2697 error_report("invalid -m option value: maxmem "
2698 "(0x%" PRIx64
") <= initial memory (0x"
2699 RAM_ADDR_FMT
")", sz
, ram_size
);
2703 slots
= qemu_opt_get_number(opts
, "slots", 0);
2704 if ((sz
> ram_size
) && !slots
) {
2705 error_report("invalid -m option value: maxmem "
2706 "(0x%" PRIx64
") more than initial memory (0x"
2707 RAM_ADDR_FMT
") but no hotplug slots where "
2708 "specified", sz
, ram_size
);
2712 if ((sz
<= ram_size
) && slots
) {
2713 error_report("invalid -m option value: %"
2714 PRIu64
" hotplug slots where specified but "
2715 "maxmem (0x%" PRIx64
") <= initial memory (0x"
2716 RAM_ADDR_FMT
")", slots
, sz
, ram_size
);
2721 } else if ((!maxmem_str
&& slots_str
) ||
2722 (maxmem_str
&& !slots_str
)) {
2723 error_report("invalid -m option value: missing "
2724 "'%s' option", slots_str
? "maxmem" : "slots");
2729 int main(int argc
, char **argv
, char **envp
)
2732 int snapshot
, linux_boot
;
2733 const char *initrd_filename
;
2734 const char *kernel_filename
, *kernel_cmdline
;
2735 const char *boot_order
;
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 atexit(qemu_run_exit_notifiers
);
2770 error_set_progname(argv
[0]);
2771 qemu_init_exec_dir(argv
[0]);
2773 g_mem_set_vtable(&mem_trace
);
2775 module_call_init(MODULE_INIT_QOM
);
2777 qemu_add_opts(&qemu_drive_opts
);
2778 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2779 qemu_add_drive_opts(&qemu_common_drive_opts
);
2780 qemu_add_drive_opts(&qemu_drive_opts
);
2781 qemu_add_opts(&qemu_chardev_opts
);
2782 qemu_add_opts(&qemu_device_opts
);
2783 qemu_add_opts(&qemu_netdev_opts
);
2784 qemu_add_opts(&qemu_net_opts
);
2785 qemu_add_opts(&qemu_rtc_opts
);
2786 qemu_add_opts(&qemu_global_opts
);
2787 qemu_add_opts(&qemu_mon_opts
);
2788 qemu_add_opts(&qemu_trace_opts
);
2789 qemu_add_opts(&qemu_option_rom_opts
);
2790 qemu_add_opts(&qemu_machine_opts
);
2791 qemu_add_opts(&qemu_mem_opts
);
2792 qemu_add_opts(&qemu_smp_opts
);
2793 qemu_add_opts(&qemu_boot_opts
);
2794 qemu_add_opts(&qemu_sandbox_opts
);
2795 qemu_add_opts(&qemu_add_fd_opts
);
2796 qemu_add_opts(&qemu_object_opts
);
2797 qemu_add_opts(&qemu_tpmdev_opts
);
2798 qemu_add_opts(&qemu_realtime_opts
);
2799 qemu_add_opts(&qemu_msg_opts
);
2800 qemu_add_opts(&qemu_name_opts
);
2801 qemu_add_opts(&qemu_numa_opts
);
2802 qemu_add_opts(&qemu_icount_opts
);
2803 qemu_add_opts(&qemu_semihosting_config_opts
);
2807 rtc_clock
= QEMU_CLOCK_HOST
;
2809 QLIST_INIT (&vm_change_state_head
);
2810 os_setup_early_signal_handling();
2812 module_call_init(MODULE_INIT_MACHINE
);
2813 machine_class
= find_default_machine();
2816 cyls
= heads
= secs
= 0;
2817 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2819 for (i
= 0; i
< MAX_NODES
; i
++) {
2820 numa_info
[i
].node_mem
= 0;
2821 numa_info
[i
].present
= false;
2822 bitmap_zero(numa_info
[i
].node_cpu
, MAX_CPUMASK_BITS
);
2826 max_numa_nodeid
= 0;
2829 bdrv_init_with_whitelist();
2833 /* first pass of option parsing */
2835 while (optind
< argc
) {
2836 if (argv
[optind
][0] != '-') {
2840 const QEMUOption
*popt
;
2842 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2843 switch (popt
->index
) {
2844 case QEMU_OPTION_nodefconfig
:
2847 case QEMU_OPTION_nouserconfig
:
2856 ret
= qemu_read_default_config_files(userconfig
);
2862 /* second pass of option parsing */
2867 if (argv
[optind
][0] != '-') {
2868 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2870 const QEMUOption
*popt
;
2872 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2873 if (!(popt
->arch_mask
& arch_type
)) {
2874 printf("Option %s not supported for this target\n", popt
->name
);
2877 switch(popt
->index
) {
2878 case QEMU_OPTION_no_kvm_irqchip
: {
2879 olist
= qemu_find_opts("machine");
2880 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2883 case QEMU_OPTION_cpu
:
2884 /* hw initialization will check this */
2887 case QEMU_OPTION_hda
:
2891 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2893 snprintf(buf
, sizeof(buf
),
2894 "%s,cyls=%d,heads=%d,secs=%d%s",
2895 HD_OPTS
, cyls
, heads
, secs
,
2896 translation
== BIOS_ATA_TRANSLATION_LBA
?
2898 translation
== BIOS_ATA_TRANSLATION_NONE
?
2899 ",trans=none" : "");
2900 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2903 case QEMU_OPTION_hdb
:
2904 case QEMU_OPTION_hdc
:
2905 case QEMU_OPTION_hdd
:
2906 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2909 case QEMU_OPTION_drive
:
2910 if (drive_def(optarg
) == NULL
) {
2914 case QEMU_OPTION_set
:
2915 if (qemu_set_option(optarg
) != 0)
2918 case QEMU_OPTION_global
:
2919 if (qemu_global_option(optarg
) != 0)
2922 case QEMU_OPTION_mtdblock
:
2923 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2925 case QEMU_OPTION_sd
:
2926 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2928 case QEMU_OPTION_pflash
:
2929 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2931 case QEMU_OPTION_snapshot
:
2934 case QEMU_OPTION_hdachs
:
2938 cyls
= strtol(p
, (char **)&p
, 0);
2939 if (cyls
< 1 || cyls
> 16383)
2944 heads
= strtol(p
, (char **)&p
, 0);
2945 if (heads
< 1 || heads
> 16)
2950 secs
= strtol(p
, (char **)&p
, 0);
2951 if (secs
< 1 || secs
> 63)
2955 if (!strcmp(p
, "large")) {
2956 translation
= BIOS_ATA_TRANSLATION_LARGE
;
2957 } else if (!strcmp(p
, "rechs")) {
2958 translation
= BIOS_ATA_TRANSLATION_RECHS
;
2959 } else if (!strcmp(p
, "none")) {
2960 translation
= BIOS_ATA_TRANSLATION_NONE
;
2961 } else if (!strcmp(p
, "lba")) {
2962 translation
= BIOS_ATA_TRANSLATION_LBA
;
2963 } else if (!strcmp(p
, "auto")) {
2964 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2968 } else if (*p
!= '\0') {
2970 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2973 if (hda_opts
!= NULL
) {
2975 snprintf(num
, sizeof(num
), "%d", cyls
);
2976 qemu_opt_set(hda_opts
, "cyls", num
);
2977 snprintf(num
, sizeof(num
), "%d", heads
);
2978 qemu_opt_set(hda_opts
, "heads", num
);
2979 snprintf(num
, sizeof(num
), "%d", secs
);
2980 qemu_opt_set(hda_opts
, "secs", num
);
2981 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
2982 qemu_opt_set(hda_opts
, "trans", "large");
2983 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
2984 qemu_opt_set(hda_opts
, "trans", "rechs");
2985 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
2986 qemu_opt_set(hda_opts
, "trans", "lba");
2987 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
2988 qemu_opt_set(hda_opts
, "trans", "none");
2993 case QEMU_OPTION_numa
:
2994 opts
= qemu_opts_parse(qemu_find_opts("numa"), optarg
, 1);
2999 case QEMU_OPTION_display
:
3000 display_type
= select_display(optarg
);
3002 case QEMU_OPTION_nographic
:
3003 display_type
= DT_NOGRAPHIC
;
3005 case QEMU_OPTION_curses
:
3006 #ifdef CONFIG_CURSES
3007 display_type
= DT_CURSES
;
3009 fprintf(stderr
, "Curses support is disabled\n");
3013 case QEMU_OPTION_portrait
:
3014 graphic_rotate
= 90;
3016 case QEMU_OPTION_rotate
:
3017 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3018 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3019 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3021 "qemu: only 90, 180, 270 deg rotation is available\n");
3025 case QEMU_OPTION_kernel
:
3026 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3028 case QEMU_OPTION_initrd
:
3029 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
);
3034 case QEMU_OPTION_dtb
:
3035 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3037 case QEMU_OPTION_cdrom
:
3038 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3040 case QEMU_OPTION_boot
:
3041 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3046 case QEMU_OPTION_fda
:
3047 case QEMU_OPTION_fdb
:
3048 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3051 case QEMU_OPTION_no_fd_bootchk
:
3054 case QEMU_OPTION_netdev
:
3055 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3059 case QEMU_OPTION_net
:
3060 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3064 #ifdef CONFIG_LIBISCSI
3065 case QEMU_OPTION_iscsi
:
3066 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3073 case QEMU_OPTION_tftp
:
3074 legacy_tftp_prefix
= optarg
;
3076 case QEMU_OPTION_bootp
:
3077 legacy_bootp_filename
= optarg
;
3079 case QEMU_OPTION_redir
:
3080 if (net_slirp_redir(optarg
) < 0)
3084 case QEMU_OPTION_bt
:
3085 add_device_config(DEV_BT
, optarg
);
3087 case QEMU_OPTION_audio_help
:
3091 case QEMU_OPTION_soundhw
:
3092 select_soundhw (optarg
);
3097 case QEMU_OPTION_version
:
3102 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3109 case QEMU_OPTION_tpmdev
:
3110 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3115 case QEMU_OPTION_mempath
:
3118 case QEMU_OPTION_mem_prealloc
:
3128 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3130 case QEMU_OPTION_gdb
:
3131 add_device_config(DEV_GDB
, optarg
);
3134 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3135 data_dir
[data_dir_idx
++] = optarg
;
3138 case QEMU_OPTION_bios
:
3139 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3141 case QEMU_OPTION_singlestep
:
3148 keyboard_layout
= optarg
;
3150 case QEMU_OPTION_localtime
:
3153 case QEMU_OPTION_vga
:
3162 w
= strtol(p
, (char **)&p
, 10);
3165 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3171 h
= strtol(p
, (char **)&p
, 10);
3176 depth
= strtol(p
, (char **)&p
, 10);
3177 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3178 depth
!= 24 && depth
!= 32)
3180 } else if (*p
== '\0') {
3181 depth
= graphic_depth
;
3188 graphic_depth
= depth
;
3191 case QEMU_OPTION_echr
:
3194 term_escape_char
= strtol(optarg
, &r
, 0);
3196 printf("Bad argument to echr\n");
3199 case QEMU_OPTION_monitor
:
3200 default_monitor
= 0;
3201 if (strncmp(optarg
, "none", 4)) {
3202 monitor_parse(optarg
, "readline", false);
3205 case QEMU_OPTION_qmp
:
3206 monitor_parse(optarg
, "control", false);
3207 default_monitor
= 0;
3209 case QEMU_OPTION_qmp_pretty
:
3210 monitor_parse(optarg
, "control", true);
3211 default_monitor
= 0;
3213 case QEMU_OPTION_mon
:
3214 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3218 default_monitor
= 0;
3220 case QEMU_OPTION_chardev
:
3221 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3226 case QEMU_OPTION_fsdev
:
3227 olist
= qemu_find_opts("fsdev");
3229 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3232 opts
= qemu_opts_parse(olist
, optarg
, 1);
3237 case QEMU_OPTION_virtfs
: {
3240 const char *writeout
, *sock_fd
, *socket
;
3242 olist
= qemu_find_opts("virtfs");
3244 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3247 opts
= qemu_opts_parse(olist
, optarg
, 1);
3252 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3253 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3254 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3257 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3258 qemu_opt_get(opts
, "mount_tag"),
3261 fprintf(stderr
, "duplicate fsdev id: %s\n",
3262 qemu_opt_get(opts
, "mount_tag"));
3266 writeout
= qemu_opt_get(opts
, "writeout");
3268 #ifdef CONFIG_SYNC_FILE_RANGE
3269 qemu_opt_set(fsdev
, "writeout", writeout
);
3271 fprintf(stderr
, "writeout=immediate not supported on "
3276 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3277 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3278 qemu_opt_set(fsdev
, "security_model",
3279 qemu_opt_get(opts
, "security_model"));
3280 socket
= qemu_opt_get(opts
, "socket");
3282 qemu_opt_set(fsdev
, "socket", socket
);
3284 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3286 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3289 qemu_opt_set_bool(fsdev
, "readonly",
3290 qemu_opt_get_bool(opts
, "readonly", 0),
3292 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3294 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3295 qemu_opt_set(device
, "fsdev",
3296 qemu_opt_get(opts
, "mount_tag"));
3297 qemu_opt_set(device
, "mount_tag",
3298 qemu_opt_get(opts
, "mount_tag"));
3301 case QEMU_OPTION_virtfs_synth
: {
3305 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3308 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3311 qemu_opt_set(fsdev
, "fsdriver", "synth");
3313 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3315 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3316 qemu_opt_set(device
, "fsdev", "v_synth");
3317 qemu_opt_set(device
, "mount_tag", "v_synth");
3320 case QEMU_OPTION_serial
:
3321 add_device_config(DEV_SERIAL
, optarg
);
3323 if (strncmp(optarg
, "mon:", 4) == 0) {
3324 default_monitor
= 0;
3327 case QEMU_OPTION_watchdog
:
3330 "qemu: only one watchdog option may be given\n");
3335 case QEMU_OPTION_watchdog_action
:
3336 if (select_watchdog_action(optarg
) == -1) {
3337 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3341 case QEMU_OPTION_virtiocon
:
3342 add_device_config(DEV_VIRTCON
, optarg
);
3343 default_virtcon
= 0;
3344 if (strncmp(optarg
, "mon:", 4) == 0) {
3345 default_monitor
= 0;
3348 case QEMU_OPTION_parallel
:
3349 add_device_config(DEV_PARALLEL
, optarg
);
3350 default_parallel
= 0;
3351 if (strncmp(optarg
, "mon:", 4) == 0) {
3352 default_monitor
= 0;
3355 case QEMU_OPTION_debugcon
:
3356 add_device_config(DEV_DEBUGCON
, optarg
);
3358 case QEMU_OPTION_loadvm
:
3361 case QEMU_OPTION_full_screen
:
3364 case QEMU_OPTION_no_frame
:
3367 case QEMU_OPTION_alt_grab
:
3370 case QEMU_OPTION_ctrl_grab
:
3373 case QEMU_OPTION_no_quit
:
3376 case QEMU_OPTION_sdl
:
3378 display_type
= DT_SDL
;
3381 fprintf(stderr
, "SDL support is disabled\n");
3384 case QEMU_OPTION_pidfile
:
3387 case QEMU_OPTION_win2k_hack
:
3388 win2k_install_hack
= 1;
3390 case QEMU_OPTION_rtc_td_hack
: {
3391 static GlobalProperty slew_lost_ticks
[] = {
3393 .driver
= "mc146818rtc",
3394 .property
= "lost_tick_policy",
3397 { /* end of list */ }
3400 qdev_prop_register_global_list(slew_lost_ticks
);
3403 case QEMU_OPTION_acpitable
:
3404 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3408 do_acpitable_option(opts
);
3410 case QEMU_OPTION_smbios
:
3411 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3415 do_smbios_option(opts
);
3417 case QEMU_OPTION_enable_kvm
:
3418 olist
= qemu_find_opts("machine");
3419 qemu_opts_parse(olist
, "accel=kvm", 0);
3422 case QEMU_OPTION_machine
:
3423 olist
= qemu_find_opts("machine");
3424 opts
= qemu_opts_parse(olist
, optarg
, 1);
3429 case QEMU_OPTION_no_kvm
:
3430 olist
= qemu_find_opts("machine");
3431 qemu_opts_parse(olist
, "accel=tcg", 0);
3433 case QEMU_OPTION_no_kvm_pit
: {
3434 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3438 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3439 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3441 .driver
= "kvm-pit",
3442 .property
= "lost_tick_policy",
3445 { /* end of list */ }
3448 fprintf(stderr
, "Warning: option deprecated, use "
3449 "lost_tick_policy property of kvm-pit instead.\n");
3450 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3453 case QEMU_OPTION_usb
:
3454 olist
= qemu_find_opts("machine");
3455 qemu_opts_parse(olist
, "usb=on", 0);
3457 case QEMU_OPTION_usbdevice
:
3458 olist
= qemu_find_opts("machine");
3459 qemu_opts_parse(olist
, "usb=on", 0);
3460 add_device_config(DEV_USB
, optarg
);
3462 case QEMU_OPTION_device
:
3463 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3467 case QEMU_OPTION_smp
:
3468 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3472 case QEMU_OPTION_vnc
:
3475 if (vnc_parse_func(optarg
) == NULL
) {
3479 fprintf(stderr
, "VNC support is disabled\n");
3483 case QEMU_OPTION_no_acpi
:
3486 case QEMU_OPTION_no_hpet
:
3489 case QEMU_OPTION_balloon
:
3490 if (balloon_parse(optarg
) < 0) {
3491 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3495 case QEMU_OPTION_no_reboot
:
3498 case QEMU_OPTION_no_shutdown
:
3501 case QEMU_OPTION_show_cursor
:
3504 case QEMU_OPTION_uuid
:
3505 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3506 fprintf(stderr
, "Fail to parse UUID string."
3507 " Wrong format.\n");
3510 qemu_uuid_set
= true;
3512 case QEMU_OPTION_option_rom
:
3513 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3514 fprintf(stderr
, "Too many option ROMs\n");
3517 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3521 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3522 option_rom
[nb_option_roms
].bootindex
=
3523 qemu_opt_get_number(opts
, "bootindex", -1);
3524 if (!option_rom
[nb_option_roms
].name
) {
3525 fprintf(stderr
, "Option ROM file is not specified\n");
3530 case QEMU_OPTION_semihosting
:
3531 semihosting_enabled
= 1;
3532 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3534 case QEMU_OPTION_semihosting_config
:
3535 semihosting_enabled
= 1;
3536 opts
= qemu_opts_parse(qemu_find_opts("semihosting-config"),
3539 semihosting_enabled
= qemu_opt_get_bool(opts
, "enable",
3541 const char *target
= qemu_opt_get(opts
, "target");
3542 if (target
!= NULL
) {
3543 if (strcmp("native", target
) == 0) {
3544 semihosting_target
= SEMIHOSTING_TARGET_NATIVE
;
3545 } else if (strcmp("gdb", target
) == 0) {
3546 semihosting_target
= SEMIHOSTING_TARGET_GDB
;
3547 } else if (strcmp("auto", target
) == 0) {
3548 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3550 fprintf(stderr
, "Unsupported semihosting-config"
3556 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3559 fprintf(stderr
, "Unsupported semihosting-config %s\n",
3564 case QEMU_OPTION_tdf
:
3565 fprintf(stderr
, "Warning: user space PIT time drift fix "
3566 "is no longer supported.\n");
3568 case QEMU_OPTION_name
:
3569 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3574 case QEMU_OPTION_prom_env
:
3575 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3576 fprintf(stderr
, "Too many prom variables\n");
3579 prom_envs
[nb_prom_envs
] = optarg
;
3582 case QEMU_OPTION_old_param
:
3585 case QEMU_OPTION_clock
:
3586 /* Clock options no longer exist. Keep this option for
3587 * backward compatibility.
3590 case QEMU_OPTION_startdate
:
3591 configure_rtc_date_offset(optarg
, 1);
3593 case QEMU_OPTION_rtc
:
3594 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3598 configure_rtc(opts
);
3600 case QEMU_OPTION_tb_size
:
3601 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3602 if (tcg_tb_size
< 0) {
3606 case QEMU_OPTION_icount
:
3607 icount_opts
= qemu_opts_parse(qemu_find_opts("icount"),
3613 case QEMU_OPTION_incoming
:
3615 runstate_set(RUN_STATE_INMIGRATE
);
3617 case QEMU_OPTION_nodefaults
:
3620 case QEMU_OPTION_xen_domid
:
3621 if (!(xen_available())) {
3622 printf("Option %s not supported for this target\n", popt
->name
);
3625 xen_domid
= atoi(optarg
);
3627 case QEMU_OPTION_xen_create
:
3628 if (!(xen_available())) {
3629 printf("Option %s not supported for this target\n", popt
->name
);
3632 xen_mode
= XEN_CREATE
;
3634 case QEMU_OPTION_xen_attach
:
3635 if (!(xen_available())) {
3636 printf("Option %s not supported for this target\n", popt
->name
);
3639 xen_mode
= XEN_ATTACH
;
3641 case QEMU_OPTION_trace
:
3643 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3647 trace_events
= qemu_opt_get(opts
, "events");
3648 trace_file
= qemu_opt_get(opts
, "file");
3651 case QEMU_OPTION_readconfig
:
3653 int ret
= qemu_read_config_file(optarg
);
3655 fprintf(stderr
, "read config %s: %s\n", optarg
,
3661 case QEMU_OPTION_spice
:
3662 olist
= qemu_find_opts("spice");
3664 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3667 opts
= qemu_opts_parse(olist
, optarg
, 0);
3673 case QEMU_OPTION_writeconfig
:
3676 if (strcmp(optarg
, "-") == 0) {
3679 fp
= fopen(optarg
, "w");
3681 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3685 qemu_config_write(fp
);
3691 case QEMU_OPTION_qtest
:
3692 qtest_chrdev
= optarg
;
3694 case QEMU_OPTION_qtest_log
:
3697 case QEMU_OPTION_sandbox
:
3698 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3703 case QEMU_OPTION_add_fd
:
3705 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3710 error_report("File descriptor passing is disabled on this "
3715 case QEMU_OPTION_object
:
3716 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3721 case QEMU_OPTION_realtime
:
3722 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3726 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3728 case QEMU_OPTION_msg
:
3729 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3733 configure_msg(opts
);
3735 case QEMU_OPTION_dump_vmstate
:
3736 if (vmstate_dump_file
) {
3737 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3738 "option may be given\n");
3741 vmstate_dump_file
= fopen(optarg
, "w");
3742 if (vmstate_dump_file
== NULL
) {
3743 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3748 os_parse_cmd_args(popt
->index
, optarg
);
3753 opts
= qemu_get_machine_opts();
3754 optarg
= qemu_opt_get(opts
, "type");
3756 machine_class
= machine_parse(optarg
);
3759 set_memory_options(&ram_slots
, &maxram_size
);
3765 if (qemu_init_main_loop(&main_loop_err
)) {
3766 error_report_err(main_loop_err
);
3770 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3774 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name
, NULL
, 1)) {
3779 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3783 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3788 if (machine_class
== NULL
) {
3789 fprintf(stderr
, "No machine specified, and there is no default.\n"
3790 "Use -machine help to list supported machines!\n");
3794 current_machine
= MACHINE(object_new(object_class_get_name(
3795 OBJECT_CLASS(machine_class
))));
3796 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3799 object_property_add_child(object_get_root(), "machine",
3800 OBJECT(current_machine
), &error_abort
);
3801 cpu_exec_init_all();
3803 if (machine_class
->hw_version
) {
3804 qemu_set_version(machine_class
->hw_version
);
3807 /* Init CPU def lists, based on config
3808 * - Must be called after all the qemu_read_config_file() calls
3809 * - Must be called before list_cpus()
3810 * - Must be called before machine->init()
3814 if (cpu_model
&& is_help_option(cpu_model
)) {
3815 list_cpus(stdout
, &fprintf
, cpu_model
);
3819 /* Open the logfile at this point, if necessary. We can't open the logfile
3820 * when encountering either of the logging options (-d or -D) because the
3821 * other one may be encountered later on the command line, changing the
3822 * location or level of logging.
3827 qemu_set_log_filename(log_file
);
3830 mask
= qemu_str_to_log_mask(log_mask
);
3832 qemu_print_log_usage(stdout
);
3838 if (!is_daemonized()) {
3839 if (!trace_init_backends(trace_events
, trace_file
)) {
3844 /* If no data_dir is specified then try to find it relative to the
3846 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3847 data_dir
[data_dir_idx
] = os_find_datadir();
3848 if (data_dir
[data_dir_idx
] != NULL
) {
3852 /* If all else fails use the install path specified when building. */
3853 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3854 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3857 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3859 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
3860 if (max_cpus
> machine_class
->max_cpus
) {
3861 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3862 "supported by machine `%s' (%d)\n", max_cpus
,
3863 machine_class
->name
, machine_class
->max_cpus
);
3868 * Get the default machine options from the machine if it is not already
3869 * specified either by the configuration file or by the command line.
3871 if (machine_class
->default_machine_opts
) {
3872 qemu_opts_set_defaults(qemu_find_opts("machine"),
3873 machine_class
->default_machine_opts
, 0);
3876 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3877 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3879 if (!vga_model
&& !default_vga
) {
3880 vga_interface_type
= VGA_DEVICE
;
3882 if (!has_defaults
|| machine_class
->no_serial
) {
3885 if (!has_defaults
|| machine_class
->no_parallel
) {
3886 default_parallel
= 0;
3888 if (!has_defaults
|| !machine_class
->use_virtcon
) {
3889 default_virtcon
= 0;
3891 if (!has_defaults
|| !machine_class
->use_sclp
) {
3894 if (!has_defaults
|| machine_class
->no_floppy
) {
3897 if (!has_defaults
|| machine_class
->no_cdrom
) {
3900 if (!has_defaults
|| machine_class
->no_sdcard
) {
3903 if (!has_defaults
) {
3904 default_monitor
= 0;
3909 if (is_daemonized()) {
3910 /* According to documentation and historically, -nographic redirects
3911 * serial port, parallel port and monitor to stdio, which does not work
3912 * with -daemonize. We can redirect these to null instead, but since
3913 * -nographic is legacy, let's just error out.
3914 * We disallow -nographic only if all other ports are not redirected
3915 * explicitly, to not break existing legacy setups which uses
3916 * -nographic _and_ redirects all ports explicitly - this is valid
3917 * usage, -nographic is just a no-op in this case.
3919 if (display_type
== DT_NOGRAPHIC
3920 && (default_parallel
|| default_serial
3921 || default_monitor
|| default_virtcon
)) {
3922 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3925 #ifdef CONFIG_CURSES
3926 if (display_type
== DT_CURSES
) {
3927 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3933 if (display_type
== DT_NOGRAPHIC
) {
3934 if (default_parallel
)
3935 add_device_config(DEV_PARALLEL
, "null");
3936 if (default_serial
&& default_monitor
) {
3937 add_device_config(DEV_SERIAL
, "mon:stdio");
3938 } else if (default_virtcon
&& default_monitor
) {
3939 add_device_config(DEV_VIRTCON
, "mon:stdio");
3940 } else if (default_sclp
&& default_monitor
) {
3941 add_device_config(DEV_SCLP
, "mon:stdio");
3944 add_device_config(DEV_SERIAL
, "stdio");
3945 if (default_virtcon
)
3946 add_device_config(DEV_VIRTCON
, "stdio");
3948 add_device_config(DEV_SCLP
, "stdio");
3950 if (default_monitor
)
3951 monitor_parse("stdio", "readline", false);
3955 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3956 if (default_parallel
)
3957 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3958 if (default_monitor
)
3959 monitor_parse("vc:80Cx24C", "readline", false);
3960 if (default_virtcon
)
3961 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3963 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3967 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3968 #if defined(CONFIG_GTK)
3969 display_type
= DT_GTK
;
3970 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3971 display_type
= DT_SDL
;
3972 #elif defined(CONFIG_VNC)
3973 vnc_parse_func("localhost:0,to=99,id=default");
3976 display_type
= DT_NONE
;
3980 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
3981 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3982 "for SDL, ignoring option\n");
3984 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
3985 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
3986 "ignoring option\n");
3989 #if defined(CONFIG_GTK)
3990 if (display_type
== DT_GTK
) {
3991 early_gtk_display_init();
3997 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3999 #ifdef CONFIG_VIRTFS
4000 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4005 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4006 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4010 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4015 if (qemu_opts_foreach(qemu_find_opts("object"),
4016 object_create
, NULL
, 0) != 0) {
4020 machine_opts
= qemu_get_machine_opts();
4021 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4023 object_unref(OBJECT(current_machine
));
4027 configure_accelerator(current_machine
);
4030 Error
*local_err
= NULL
;
4031 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4033 error_report_err(local_err
);
4038 machine_opts
= qemu_get_machine_opts();
4039 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4040 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4041 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4042 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4044 boot_order
= machine_class
->default_boot_order
;
4045 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4047 char *normal_boot_order
;
4048 const char *order
, *once
;
4049 Error
*local_err
= NULL
;
4051 order
= qemu_opt_get(opts
, "order");
4053 validate_bootdevices(order
, &local_err
);
4055 error_report_err(local_err
);
4061 once
= qemu_opt_get(opts
, "once");
4063 validate_bootdevices(once
, &local_err
);
4065 error_report_err(local_err
);
4068 normal_boot_order
= g_strdup(boot_order
);
4070 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4073 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4074 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4077 if (!kernel_cmdline
) {
4078 kernel_cmdline
= "";
4079 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4082 linux_boot
= (kernel_filename
!= NULL
);
4084 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4085 fprintf(stderr
, "-append only allowed with -kernel option\n");
4089 if (!linux_boot
&& initrd_filename
!= NULL
) {
4090 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4094 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4095 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4099 os_set_line_buffering();
4101 qemu_init_cpu_loop();
4102 qemu_mutex_lock_iothread();
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
);
4167 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func
,
4174 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4178 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4180 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4182 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4184 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4187 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4190 /* If no default VGA is requested, the default is "none". */
4192 if (machine_class
->default_display
) {
4193 vga_model
= machine_class
->default_display
;
4194 } else if (cirrus_vga_available()) {
4195 vga_model
= "cirrus";
4196 } else if (vga_available()) {
4201 select_vgahw(vga_model
);
4205 i
= select_watchdog(watchdog
);
4207 exit (i
== 1 ? 1 : 0);
4210 if (machine_class
->compat_props
) {
4211 qdev_prop_register_global_list(machine_class
->compat_props
);
4215 qdev_machine_init();
4217 current_machine
->ram_size
= ram_size
;
4218 current_machine
->maxram_size
= maxram_size
;
4219 current_machine
->ram_slots
= ram_slots
;
4220 current_machine
->boot_order
= boot_order
;
4221 current_machine
->cpu_model
= cpu_model
;
4223 machine_class
->init(current_machine
);
4229 cpu_synchronize_all_post_init();
4233 /* init USB devices */
4234 if (usb_enabled()) {
4235 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4239 /* init generic devices */
4240 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4243 /* Did we create any drives that we failed to create a device for? */
4244 drive_check_orphaned();
4246 net_check_clients();
4248 ds
= init_displaystate();
4250 /* init local displays */
4251 switch (display_type
) {
4253 (void)ds
; /* avoid warning if no display is configured */
4255 #if defined(CONFIG_CURSES)
4257 curses_display_init(ds
, full_screen
);
4260 #if defined(CONFIG_SDL)
4262 sdl_display_init(ds
, full_screen
, no_frame
);
4264 #elif defined(CONFIG_COCOA)
4266 cocoa_display_init(ds
, full_screen
);
4269 #if defined(CONFIG_GTK)
4271 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4278 /* must be after terminal init, SDL library changes signal handlers */
4279 os_setup_signal_handling();
4282 /* init remote displays */
4283 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func
, NULL
, 0);
4284 if (show_vnc_port
) {
4285 printf("VNC server running on `%s'\n",
4286 vnc_display_local_addr("default"));
4291 qemu_spice_display_init();
4295 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4299 qdev_machine_creation_done();
4301 if (rom_load_all() != 0) {
4302 fprintf(stderr
, "rom loading failed\n");
4306 /* TODO: once all bus devices are qdevified, this should be done
4307 * when bus is created by qdev.c */
4308 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4309 qemu_run_machine_init_done_notifiers();
4311 /* Done notifiers can load ROMs */
4314 qemu_system_reset(VMRESET_SILENT
);
4316 if (load_vmstate(loadvm
) < 0) {
4321 qdev_prop_check_globals();
4322 if (vmstate_dump_file
) {
4324 dump_vmstate_json_to_file(vmstate_dump_file
);
4329 Error
*local_err
= NULL
;
4330 qemu_start_incoming_migration(incoming
, &local_err
);
4332 error_report("-incoming %s: %s", incoming
,
4333 error_get_pretty(local_err
));
4334 error_free(local_err
);
4337 } else if (autostart
) {
4343 if (is_daemonized()) {
4344 if (!trace_init_backends(trace_events
, trace_file
)) {