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"
122 #include "exec/semihost.h"
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 int request_opengl
= -1;
134 static int display_remote
;
135 const char* keyboard_layout
= NULL
;
137 const char *mem_path
= NULL
;
138 int mem_prealloc
= 0; /* force preallocation of physical target memory */
139 bool enable_mlock
= false;
141 NICInfo nd_table
[MAX_NICS
];
143 static int rtc_utc
= 1;
144 static int rtc_date_offset
= -1; /* -1 means no change */
145 QEMUClockType rtc_clock
;
146 int vga_interface_type
= VGA_NONE
;
147 static int full_screen
= 0;
148 static int no_frame
= 0;
151 static bool grab_on_hover
;
153 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
154 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
155 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
156 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
157 int win2k_install_hack
= 0;
163 int acpi_enabled
= 1;
166 static int no_reboot
;
169 int graphic_rotate
= 0;
170 const char *watchdog
;
171 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
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
},
234 { .driver
= "virtio-vga", .flag
= &default_vga
},
237 static QemuOptsList qemu_rtc_opts
= {
239 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
243 .type
= QEMU_OPT_STRING
,
246 .type
= QEMU_OPT_STRING
,
249 .type
= QEMU_OPT_STRING
,
251 { /* end of list */ }
255 static QemuOptsList qemu_sandbox_opts
= {
257 .implied_opt_name
= "enable",
258 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
262 .type
= QEMU_OPT_BOOL
,
264 { /* end of list */ }
268 static QemuOptsList qemu_trace_opts
= {
270 .implied_opt_name
= "trace",
271 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
275 .type
= QEMU_OPT_STRING
,
278 .type
= QEMU_OPT_STRING
,
280 { /* end of list */ }
284 static QemuOptsList qemu_option_rom_opts
= {
285 .name
= "option-rom",
286 .implied_opt_name
= "romfile",
287 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
291 .type
= QEMU_OPT_NUMBER
,
294 .type
= QEMU_OPT_STRING
,
296 { /* end of list */ }
300 static QemuOptsList qemu_machine_opts
= {
302 .implied_opt_name
= "type",
304 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
315 static QemuOptsList qemu_boot_opts
= {
317 .implied_opt_name
= "order",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_STRING
,
329 .type
= QEMU_OPT_BOOL
,
332 .type
= QEMU_OPT_STRING
,
334 .name
= "splash-time",
335 .type
= QEMU_OPT_STRING
,
337 .name
= "reboot-timeout",
338 .type
= QEMU_OPT_STRING
,
341 .type
= QEMU_OPT_BOOL
,
347 static QemuOptsList qemu_add_fd_opts
= {
349 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
353 .type
= QEMU_OPT_NUMBER
,
354 .help
= "file descriptor of which a duplicate is added to fd set",
357 .type
= QEMU_OPT_NUMBER
,
358 .help
= "ID of the fd set to add fd to",
361 .type
= QEMU_OPT_STRING
,
362 .help
= "free-form string used to describe fd",
364 { /* end of list */ }
368 static QemuOptsList qemu_object_opts
= {
370 .implied_opt_name
= "qom-type",
371 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
377 static QemuOptsList qemu_tpmdev_opts
= {
379 .implied_opt_name
= "type",
380 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
387 static QemuOptsList qemu_realtime_opts
= {
389 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
393 .type
= QEMU_OPT_BOOL
,
395 { /* end of list */ }
399 static QemuOptsList qemu_msg_opts
= {
401 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
405 .type
= QEMU_OPT_BOOL
,
407 { /* end of list */ }
411 static QemuOptsList qemu_name_opts
= {
413 .implied_opt_name
= "guest",
415 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
419 .type
= QEMU_OPT_STRING
,
420 .help
= "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
425 .type
= QEMU_OPT_STRING
,
426 .help
= "Sets the name of the QEMU process, as shown in top etc",
428 .name
= "debug-threads",
429 .type
= QEMU_OPT_BOOL
,
430 .help
= "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
434 { /* End of list */ }
438 static QemuOptsList qemu_mem_opts
= {
440 .implied_opt_name
= "size",
441 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
446 .type
= QEMU_OPT_SIZE
,
450 .type
= QEMU_OPT_NUMBER
,
454 .type
= QEMU_OPT_SIZE
,
456 { /* end of list */ }
460 static QemuOptsList qemu_icount_opts
= {
462 .implied_opt_name
= "shift",
464 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
468 .type
= QEMU_OPT_STRING
,
471 .type
= QEMU_OPT_BOOL
,
474 .type
= QEMU_OPT_BOOL
,
476 { /* end of list */ }
480 static QemuOptsList qemu_semihosting_config_opts
= {
481 .name
= "semihosting-config",
482 .implied_opt_name
= "enable",
483 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
487 .type
= QEMU_OPT_BOOL
,
490 .type
= QEMU_OPT_STRING
,
492 { /* end of list */ }
496 static QemuOptsList qemu_fw_cfg_opts
= {
498 .implied_opt_name
= "name",
499 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
503 .type
= QEMU_OPT_STRING
,
504 .help
= "Sets the fw_cfg name of the blob to be inserted",
507 .type
= QEMU_OPT_STRING
,
508 .help
= "Sets the name of the file from which\n"
509 "the fw_cfg blob will be loaded",
511 { /* end of list */ }
516 * Get machine options
518 * Returns: machine options (never null).
520 QemuOpts
*qemu_get_machine_opts(void)
522 return qemu_find_opts_singleton("machine");
525 const char *qemu_get_vm_name(void)
530 static void res_free(void)
532 if (boot_splash_filedata
!= NULL
) {
533 g_free(boot_splash_filedata
);
534 boot_splash_filedata
= NULL
;
538 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
540 const char *driver
= qemu_opt_get(opts
, "driver");
545 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
546 if (strcmp(default_list
[i
].driver
, driver
) != 0)
548 *(default_list
[i
].flag
) = 0;
553 /***********************************************************/
556 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
558 /* We use RUN_STATE_MAX but any invalid value will do */
559 static RunState vmstop_requested
= RUN_STATE_MAX
;
560 static QemuMutex vmstop_lock
;
565 } RunStateTransition
;
567 static const RunStateTransition runstate_transitions_def
[] = {
569 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
570 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
572 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
573 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
575 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
576 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
579 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
582 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
584 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
585 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
587 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
588 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
591 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
592 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
594 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
596 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
597 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
598 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
599 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
600 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
602 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
603 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
604 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
605 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
607 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
609 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
610 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
613 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
614 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
615 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
617 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
618 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
621 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_MAX
, RUN_STATE_MAX
},
626 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
628 bool runstate_check(RunState state
)
630 return current_run_state
== state
;
633 static void runstate_init(void)
635 const RunStateTransition
*p
;
637 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
638 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
639 runstate_valid_transitions
[p
->from
][p
->to
] = true;
642 qemu_mutex_init(&vmstop_lock
);
645 /* This function will abort() on invalid state transitions */
646 void runstate_set(RunState new_state
)
648 assert(new_state
< RUN_STATE_MAX
);
650 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
651 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
652 RunState_lookup
[current_run_state
],
653 RunState_lookup
[new_state
]);
656 trace_runstate_set(new_state
);
657 current_run_state
= new_state
;
660 int runstate_is_running(void)
662 return runstate_check(RUN_STATE_RUNNING
);
665 bool runstate_needs_reset(void)
667 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
668 runstate_check(RUN_STATE_SHUTDOWN
);
671 StatusInfo
*qmp_query_status(Error
**errp
)
673 StatusInfo
*info
= g_malloc0(sizeof(*info
));
675 info
->running
= runstate_is_running();
676 info
->singlestep
= singlestep
;
677 info
->status
= current_run_state
;
682 static bool qemu_vmstop_requested(RunState
*r
)
684 qemu_mutex_lock(&vmstop_lock
);
685 *r
= vmstop_requested
;
686 vmstop_requested
= RUN_STATE_MAX
;
687 qemu_mutex_unlock(&vmstop_lock
);
688 return *r
< RUN_STATE_MAX
;
691 void qemu_system_vmstop_request_prepare(void)
693 qemu_mutex_lock(&vmstop_lock
);
696 void qemu_system_vmstop_request(RunState state
)
698 vmstop_requested
= state
;
699 qemu_mutex_unlock(&vmstop_lock
);
707 qemu_vmstop_requested(&requested
);
708 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
712 /* Ensure that a STOP/RESUME pair of events is emitted if a
713 * vmstop request was pending. The BLOCK_IO_ERROR event, for
714 * example, according to documentation is always followed by
717 if (runstate_is_running()) {
718 qapi_event_send_stop(&error_abort
);
721 runstate_set(RUN_STATE_RUNNING
);
722 vm_state_notify(1, RUN_STATE_RUNNING
);
726 qapi_event_send_resume(&error_abort
);
730 /***********************************************************/
731 /* real time host monotonic timer */
733 static time_t qemu_time(void)
735 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
738 /***********************************************************/
739 /* host time/date access */
740 void qemu_get_timedate(struct tm
*tm
, int offset
)
742 time_t ti
= qemu_time();
745 if (rtc_date_offset
== -1) {
749 localtime_r(&ti
, tm
);
751 ti
-= rtc_date_offset
;
756 int qemu_timedate_diff(struct tm
*tm
)
760 if (rtc_date_offset
== -1)
762 seconds
= mktimegm(tm
);
765 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
766 seconds
= mktime(&tmp
);
769 seconds
= mktimegm(tm
) + rtc_date_offset
;
771 return seconds
- qemu_time();
774 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
776 time_t rtc_start_date
;
779 if (!strcmp(startdate
, "now") && legacy
) {
780 rtc_date_offset
= -1;
782 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
790 } else if (sscanf(startdate
, "%d-%d-%d",
802 rtc_start_date
= mktimegm(&tm
);
803 if (rtc_start_date
== -1) {
805 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
806 "'2006-06-17T16:01:21' or '2006-06-17'\n");
809 rtc_date_offset
= qemu_time() - rtc_start_date
;
813 static void configure_rtc(QemuOpts
*opts
)
817 value
= qemu_opt_get(opts
, "base");
819 if (!strcmp(value
, "utc")) {
821 } else if (!strcmp(value
, "localtime")) {
824 configure_rtc_date_offset(value
, 0);
827 value
= qemu_opt_get(opts
, "clock");
829 if (!strcmp(value
, "host")) {
830 rtc_clock
= QEMU_CLOCK_HOST
;
831 } else if (!strcmp(value
, "rt")) {
832 rtc_clock
= QEMU_CLOCK_REALTIME
;
833 } else if (!strcmp(value
, "vm")) {
834 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
836 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
840 value
= qemu_opt_get(opts
, "driftfix");
842 if (!strcmp(value
, "slew")) {
843 static GlobalProperty slew_lost_ticks
[] = {
845 .driver
= "mc146818rtc",
846 .property
= "lost_tick_policy",
849 { /* end of list */ }
852 qdev_prop_register_global_list(slew_lost_ticks
);
853 } else if (!strcmp(value
, "none")) {
854 /* discard is default */
856 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
862 /***********************************************************/
863 /* Bluetooth support */
866 static struct HCIInfo
*hci_table
[MAX_NICS
];
868 struct HCIInfo
*qemu_next_hci(void)
870 if (cur_hci
== nb_hcis
)
873 return hci_table
[cur_hci
++];
876 static int bt_hci_parse(const char *str
)
881 if (nb_hcis
>= MAX_NICS
) {
882 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
895 bdaddr
.b
[5] = 0x56 + nb_hcis
;
896 hci
->bdaddr_set(hci
, bdaddr
.b
);
898 hci_table
[nb_hcis
++] = hci
;
903 static void bt_vhci_add(int vlan_id
)
905 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
908 fprintf(stderr
, "qemu: warning: adding a VHCI to "
909 "an empty scatternet %i\n", vlan_id
);
911 bt_vhci_init(bt_new_hci(vlan
));
914 static struct bt_device_s
*bt_device_add(const char *opt
)
916 struct bt_scatternet_s
*vlan
;
918 char *endp
= strstr(opt
, ",vlan=");
919 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
922 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
925 vlan_id
= strtol(endp
+ 6, &endp
, 0);
927 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
932 vlan
= qemu_find_bt_vlan(vlan_id
);
935 fprintf(stderr
, "qemu: warning: adding a slave device to "
936 "an empty scatternet %i\n", vlan_id
);
938 if (!strcmp(devname
, "keyboard"))
939 return bt_keyboard_init(vlan
);
941 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
945 static int bt_parse(const char *opt
)
947 const char *endp
, *p
;
950 if (strstart(opt
, "hci", &endp
)) {
951 if (!*endp
|| *endp
== ',') {
953 if (!strstart(endp
, ",vlan=", 0))
956 return bt_hci_parse(opt
);
958 } else if (strstart(opt
, "vhci", &endp
)) {
959 if (!*endp
|| *endp
== ',') {
961 if (strstart(endp
, ",vlan=", &p
)) {
962 vlan
= strtol(p
, (char **) &endp
, 0);
964 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
968 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
977 } else if (strstart(opt
, "device:", &endp
))
978 return !bt_device_add(endp
);
980 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
984 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
986 /* FIXME: change this to true for 1.3 */
987 if (qemu_opt_get_bool(opts
, "enable", false)) {
988 #ifdef CONFIG_SECCOMP
989 if (seccomp_start() < 0) {
990 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
991 "failed to install seccomp syscall filter in the kernel");
995 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
996 "sandboxing request but seccomp is not compiled into this build");
1004 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1006 const char *proc_name
;
1008 if (qemu_opt_get(opts
, "debug-threads")) {
1009 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1011 qemu_name
= qemu_opt_get(opts
, "guest");
1013 proc_name
= qemu_opt_get(opts
, "process");
1015 os_set_proc_name(proc_name
);
1021 bool defaults_enabled(void)
1023 return has_defaults
;
1026 bool usb_enabled(void)
1028 return machine_usb(current_machine
);
1032 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1034 int fd
, dupfd
, flags
;
1036 const char *fd_opaque
= NULL
;
1039 fd
= qemu_opt_get_number(opts
, "fd", -1);
1040 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1041 fd_opaque
= qemu_opt_get(opts
, "opaque");
1044 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1045 "fd option is required and must be non-negative");
1049 if (fd
<= STDERR_FILENO
) {
1050 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1051 "fd cannot be a standard I/O stream");
1056 * All fds inherited across exec() necessarily have FD_CLOEXEC
1057 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1059 flags
= fcntl(fd
, F_GETFD
);
1060 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1061 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1062 "fd is not valid or already in use");
1067 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1068 "set option is required and must be non-negative");
1072 #ifdef F_DUPFD_CLOEXEC
1073 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1077 qemu_set_cloexec(dupfd
);
1081 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1082 "Error duplicating fd: %s", strerror(errno
));
1086 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1087 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1094 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1098 fd
= qemu_opt_get_number(opts
, "fd", -1);
1105 /***********************************************************/
1106 /* QEMU Block devices */
1108 #define HD_OPTS "media=disk"
1109 #define CDROM_OPTS "media=cdrom"
1111 #define PFLASH_OPTS ""
1115 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1117 BlockInterfaceType
*block_default_type
= opaque
;
1119 return drive_new(opts
, *block_default_type
) == NULL
;
1122 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1124 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1125 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1130 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1131 int index
, const char *optstr
)
1136 if (!enable
|| drive_get_by_index(type
, index
)) {
1140 opts
= drive_add(type
, index
, NULL
, optstr
);
1142 drive_enable_snapshot(NULL
, opts
, NULL
);
1145 dinfo
= drive_new(opts
, type
);
1149 dinfo
->is_default
= true;
1153 static QemuOptsList qemu_smp_opts
= {
1155 .implied_opt_name
= "cpus",
1156 .merge_lists
= true,
1157 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1161 .type
= QEMU_OPT_NUMBER
,
1164 .type
= QEMU_OPT_NUMBER
,
1167 .type
= QEMU_OPT_NUMBER
,
1170 .type
= QEMU_OPT_NUMBER
,
1173 .type
= QEMU_OPT_NUMBER
,
1175 { /*End of list */ }
1179 static void smp_parse(QemuOpts
*opts
)
1183 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1184 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1185 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1186 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1188 /* compute missing values, prefer sockets over cores over threads */
1189 if (cpus
== 0 || sockets
== 0) {
1190 sockets
= sockets
> 0 ? sockets
: 1;
1191 cores
= cores
> 0 ? cores
: 1;
1192 threads
= threads
> 0 ? threads
: 1;
1194 cpus
= cores
* threads
* sockets
;
1196 } else if (cores
== 0) {
1197 threads
= threads
> 0 ? threads
: 1;
1198 cores
= cpus
/ (sockets
* threads
);
1199 } else if (threads
== 0) {
1200 threads
= cpus
/ (cores
* sockets
);
1201 } else if (sockets
* cores
* threads
< cpus
) {
1202 fprintf(stderr
, "cpu topology: error: "
1203 "sockets (%u) * cores (%u) * threads (%u) < "
1205 sockets
, cores
, threads
, cpus
);
1209 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1212 smp_cores
= cores
> 0 ? cores
: 1;
1213 smp_threads
= threads
> 0 ? threads
: 1;
1217 if (max_cpus
== 0) {
1218 max_cpus
= smp_cpus
;
1221 if (max_cpus
> MAX_CPUMASK_BITS
) {
1222 fprintf(stderr
, "Unsupported number of maxcpus\n");
1225 if (max_cpus
< smp_cpus
) {
1226 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1232 static void realtime_init(void)
1235 if (os_mlock() < 0) {
1236 fprintf(stderr
, "qemu: locking memory failed\n");
1243 static void configure_msg(QemuOpts
*opts
)
1245 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1248 /***********************************************************/
1251 typedef struct SemihostingConfig
{
1253 SemihostingTarget target
;
1254 } SemihostingConfig
;
1256 static SemihostingConfig semihosting
;
1258 bool semihosting_enabled(void)
1260 return semihosting
.enabled
;
1263 SemihostingTarget
semihosting_get_target(void)
1265 return semihosting
.target
;
1268 /***********************************************************/
1271 static int usb_device_add(const char *devname
)
1273 USBDevice
*dev
= NULL
;
1274 #ifndef CONFIG_LINUX
1278 if (!usb_enabled()) {
1282 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1283 dev
= usbdevice_create(devname
);
1287 /* the other ones */
1288 #ifndef CONFIG_LINUX
1289 /* only the linux version is qdev-ified, usb-bsd still needs this */
1290 if (strstart(devname
, "host:", &p
)) {
1291 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1301 static int usb_device_del(const char *devname
)
1306 if (strstart(devname
, "host:", &p
)) {
1310 if (!usb_enabled()) {
1314 p
= strchr(devname
, '.');
1317 bus_num
= strtoul(devname
, NULL
, 0);
1318 addr
= strtoul(p
+ 1, NULL
, 0);
1320 return usb_device_delete_addr(bus_num
, addr
);
1323 static int usb_parse(const char *cmdline
)
1326 r
= usb_device_add(cmdline
);
1328 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1333 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1335 const char *devname
= qdict_get_str(qdict
, "devname");
1336 if (usb_device_add(devname
) < 0) {
1337 error_report("could not add USB device '%s'", devname
);
1341 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1343 const char *devname
= qdict_get_str(qdict
, "devname");
1344 if (usb_device_del(devname
) < 0) {
1345 error_report("could not delete USB device '%s'", devname
);
1349 /***********************************************************/
1350 /* machine registration */
1352 MachineState
*current_machine
;
1355 * Transitional class registration/init used for converting from
1356 * legacy QEMUMachine to MachineClass.
1358 static void qemu_machine_class_init(ObjectClass
*oc
, void *data
)
1360 MachineClass
*mc
= MACHINE_CLASS(oc
);
1361 QEMUMachine
*qm
= data
;
1362 mc
->name
= qm
->name
;
1363 mc
->desc
= qm
->desc
;
1364 mc
->init
= qm
->init
;
1365 mc
->kvm_type
= qm
->kvm_type
;
1366 mc
->block_default_type
= qm
->block_default_type
;
1367 mc
->max_cpus
= qm
->max_cpus
;
1368 mc
->no_sdcard
= qm
->no_sdcard
;
1369 mc
->has_dynamic_sysbus
= qm
->has_dynamic_sysbus
;
1370 mc
->is_default
= qm
->is_default
;
1371 mc
->default_machine_opts
= qm
->default_machine_opts
;
1372 mc
->default_boot_order
= qm
->default_boot_order
;
1375 int qemu_register_machine(QEMUMachine
*m
)
1377 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1380 .parent
= TYPE_MACHINE
,
1381 .class_init
= qemu_machine_class_init
,
1382 .class_data
= (void *)m
,
1391 static MachineClass
*find_machine(const char *name
)
1393 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1394 MachineClass
*mc
= NULL
;
1396 for (el
= machines
; el
; el
= el
->next
) {
1397 MachineClass
*temp
= el
->data
;
1399 if (!strcmp(temp
->name
, name
)) {
1404 !strcmp(temp
->alias
, name
)) {
1410 g_slist_free(machines
);
1414 MachineClass
*find_default_machine(void)
1416 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1417 MachineClass
*mc
= NULL
;
1419 for (el
= machines
; el
; el
= el
->next
) {
1420 MachineClass
*temp
= el
->data
;
1422 if (temp
->is_default
) {
1428 g_slist_free(machines
);
1432 MachineInfoList
*qmp_query_machines(Error
**errp
)
1434 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1435 MachineInfoList
*mach_list
= NULL
;
1437 for (el
= machines
; el
; el
= el
->next
) {
1438 MachineClass
*mc
= el
->data
;
1439 MachineInfoList
*entry
;
1442 info
= g_malloc0(sizeof(*info
));
1443 if (mc
->is_default
) {
1444 info
->has_is_default
= true;
1445 info
->is_default
= true;
1449 info
->has_alias
= true;
1450 info
->alias
= g_strdup(mc
->alias
);
1453 info
->name
= g_strdup(mc
->name
);
1454 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1456 entry
= g_malloc0(sizeof(*entry
));
1457 entry
->value
= info
;
1458 entry
->next
= mach_list
;
1462 g_slist_free(machines
);
1466 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1468 ObjectProperty
*prop
;
1470 if (!qemu_opt_has_help_opt(opts
)) {
1474 QTAILQ_FOREACH(prop
, &OBJECT(machine
)->properties
, node
) {
1479 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1480 prop
->name
, prop
->type
);
1481 if (prop
->description
) {
1482 error_printf(" (%s)\n", prop
->description
);
1491 /***********************************************************/
1492 /* main execution loop */
1494 struct vm_change_state_entry
{
1495 VMChangeStateHandler
*cb
;
1497 QLIST_ENTRY (vm_change_state_entry
) entries
;
1500 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1502 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1505 VMChangeStateEntry
*e
;
1507 e
= g_malloc0(sizeof (*e
));
1511 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1515 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1517 QLIST_REMOVE (e
, entries
);
1521 void vm_state_notify(int running
, RunState state
)
1523 VMChangeStateEntry
*e
, *next
;
1525 trace_vm_state_notify(running
, state
);
1527 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1528 e
->cb(e
->opaque
, running
, state
);
1532 /* reset/shutdown handler */
1534 typedef struct QEMUResetEntry
{
1535 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1536 QEMUResetHandler
*func
;
1540 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1541 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1542 static int reset_requested
;
1543 static int shutdown_requested
, shutdown_signal
= -1;
1544 static pid_t shutdown_pid
;
1545 static int powerdown_requested
;
1546 static int debug_requested
;
1547 static int suspend_requested
;
1548 static WakeupReason wakeup_reason
;
1549 static NotifierList powerdown_notifiers
=
1550 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1551 static NotifierList suspend_notifiers
=
1552 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1553 static NotifierList wakeup_notifiers
=
1554 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1555 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1557 int qemu_shutdown_requested_get(void)
1559 return shutdown_requested
;
1562 int qemu_reset_requested_get(void)
1564 return reset_requested
;
1567 static int qemu_shutdown_requested(void)
1569 return atomic_xchg(&shutdown_requested
, 0);
1572 static void qemu_kill_report(void)
1574 if (!qtest_driver() && shutdown_signal
!= -1) {
1575 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1576 if (shutdown_pid
== 0) {
1577 /* This happens for eg ^C at the terminal, so it's worth
1578 * avoiding printing an odd message in that case.
1580 fputc('\n', stderr
);
1582 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1584 shutdown_signal
= -1;
1588 static int qemu_reset_requested(void)
1590 int r
= reset_requested
;
1591 reset_requested
= 0;
1595 static int qemu_suspend_requested(void)
1597 int r
= suspend_requested
;
1598 suspend_requested
= 0;
1602 static WakeupReason
qemu_wakeup_requested(void)
1604 return wakeup_reason
;
1607 static int qemu_powerdown_requested(void)
1609 int r
= powerdown_requested
;
1610 powerdown_requested
= 0;
1614 static int qemu_debug_requested(void)
1616 int r
= debug_requested
;
1617 debug_requested
= 0;
1621 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1623 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1626 re
->opaque
= opaque
;
1627 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1630 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1634 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1635 if (re
->func
== func
&& re
->opaque
== opaque
) {
1636 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1643 void qemu_devices_reset(void)
1645 QEMUResetEntry
*re
, *nre
;
1647 /* reset all devices */
1648 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1649 re
->func(re
->opaque
);
1653 void qemu_system_reset(bool report
)
1657 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1659 if (mc
&& mc
->reset
) {
1662 qemu_devices_reset();
1665 qapi_event_send_reset(&error_abort
);
1667 cpu_synchronize_all_post_reset();
1670 void qemu_system_reset_request(void)
1673 shutdown_requested
= 1;
1675 reset_requested
= 1;
1678 qemu_notify_event();
1681 static void qemu_system_suspend(void)
1684 notifier_list_notify(&suspend_notifiers
, NULL
);
1685 runstate_set(RUN_STATE_SUSPENDED
);
1686 qapi_event_send_suspend(&error_abort
);
1689 void qemu_system_suspend_request(void)
1691 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1694 suspend_requested
= 1;
1696 qemu_notify_event();
1699 void qemu_register_suspend_notifier(Notifier
*notifier
)
1701 notifier_list_add(&suspend_notifiers
, notifier
);
1704 void qemu_system_wakeup_request(WakeupReason reason
)
1706 trace_system_wakeup_request(reason
);
1708 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1711 if (!(wakeup_reason_mask
& (1 << reason
))) {
1714 runstate_set(RUN_STATE_RUNNING
);
1715 wakeup_reason
= reason
;
1716 qemu_notify_event();
1719 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1722 wakeup_reason_mask
|= (1 << reason
);
1724 wakeup_reason_mask
&= ~(1 << reason
);
1728 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1730 notifier_list_add(&wakeup_notifiers
, notifier
);
1733 void qemu_system_killed(int signal
, pid_t pid
)
1735 shutdown_signal
= signal
;
1738 qemu_system_shutdown_request();
1741 void qemu_system_shutdown_request(void)
1743 trace_qemu_system_shutdown_request();
1744 shutdown_requested
= 1;
1745 qemu_notify_event();
1748 static void qemu_system_powerdown(void)
1750 qapi_event_send_powerdown(&error_abort
);
1751 notifier_list_notify(&powerdown_notifiers
, NULL
);
1754 void qemu_system_powerdown_request(void)
1756 trace_qemu_system_powerdown_request();
1757 powerdown_requested
= 1;
1758 qemu_notify_event();
1761 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1763 notifier_list_add(&powerdown_notifiers
, notifier
);
1766 void qemu_system_debug_request(void)
1768 debug_requested
= 1;
1769 qemu_notify_event();
1772 static bool main_loop_should_exit(void)
1775 if (qemu_debug_requested()) {
1776 vm_stop(RUN_STATE_DEBUG
);
1778 if (qemu_suspend_requested()) {
1779 qemu_system_suspend();
1781 if (qemu_shutdown_requested()) {
1783 qapi_event_send_shutdown(&error_abort
);
1785 vm_stop(RUN_STATE_SHUTDOWN
);
1790 if (qemu_reset_requested()) {
1792 cpu_synchronize_all_states();
1793 qemu_system_reset(VMRESET_REPORT
);
1795 if (runstate_needs_reset()) {
1796 runstate_set(RUN_STATE_PAUSED
);
1799 if (qemu_wakeup_requested()) {
1801 cpu_synchronize_all_states();
1802 qemu_system_reset(VMRESET_SILENT
);
1803 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1804 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1806 qapi_event_send_wakeup(&error_abort
);
1808 if (qemu_powerdown_requested()) {
1809 qemu_system_powerdown();
1811 if (qemu_vmstop_requested(&r
)) {
1817 static void main_loop(void)
1821 #ifdef CONFIG_PROFILER
1825 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1826 #ifdef CONFIG_PROFILER
1827 ti
= profile_getclock();
1829 last_io
= main_loop_wait(nonblocking
);
1830 #ifdef CONFIG_PROFILER
1831 dev_time
+= profile_getclock() - ti
;
1833 } while (!main_loop_should_exit());
1836 static void version(void)
1838 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1841 static void help(int exitcode
)
1844 printf("usage: %s [options] [disk_image]\n\n"
1845 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1846 error_get_progname());
1848 #define QEMU_OPTIONS_GENERATE_HELP
1849 #include "qemu-options-wrapper.h"
1851 printf("\nDuring emulation, the following keys are useful:\n"
1852 "ctrl-alt-f toggle full screen\n"
1853 "ctrl-alt-n switch to virtual console 'n'\n"
1854 "ctrl-alt toggle mouse and keyboard grab\n"
1856 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1861 #define HAS_ARG 0x0001
1863 typedef struct QEMUOption
{
1870 static const QEMUOption qemu_options
[] = {
1871 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1872 #define QEMU_OPTIONS_GENERATE_OPTIONS
1873 #include "qemu-options-wrapper.h"
1877 static bool vga_available(void)
1879 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1882 static bool cirrus_vga_available(void)
1884 return object_class_by_name("cirrus-vga")
1885 || object_class_by_name("isa-cirrus-vga");
1888 static bool vmware_vga_available(void)
1890 return object_class_by_name("vmware-svga");
1893 static bool qxl_vga_available(void)
1895 return object_class_by_name("qxl-vga");
1898 static bool tcx_vga_available(void)
1900 return object_class_by_name("SUNW,tcx");
1903 static bool cg3_vga_available(void)
1905 return object_class_by_name("cgthree");
1908 static bool virtio_vga_available(void)
1910 return object_class_by_name("virtio-vga");
1913 static void select_vgahw (const char *p
)
1917 assert(vga_interface_type
== VGA_NONE
);
1918 if (strstart(p
, "std", &opts
)) {
1919 if (vga_available()) {
1920 vga_interface_type
= VGA_STD
;
1922 fprintf(stderr
, "Error: standard VGA not available\n");
1925 } else if (strstart(p
, "cirrus", &opts
)) {
1926 if (cirrus_vga_available()) {
1927 vga_interface_type
= VGA_CIRRUS
;
1929 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1932 } else if (strstart(p
, "vmware", &opts
)) {
1933 if (vmware_vga_available()) {
1934 vga_interface_type
= VGA_VMWARE
;
1936 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1939 } else if (strstart(p
, "virtio", &opts
)) {
1940 if (virtio_vga_available()) {
1941 vga_interface_type
= VGA_VIRTIO
;
1943 fprintf(stderr
, "Error: Virtio VGA not available\n");
1946 } else if (strstart(p
, "xenfb", &opts
)) {
1947 vga_interface_type
= VGA_XENFB
;
1948 } else if (strstart(p
, "qxl", &opts
)) {
1949 if (qxl_vga_available()) {
1950 vga_interface_type
= VGA_QXL
;
1952 fprintf(stderr
, "Error: QXL VGA not available\n");
1955 } else if (strstart(p
, "tcx", &opts
)) {
1956 if (tcx_vga_available()) {
1957 vga_interface_type
= VGA_TCX
;
1959 fprintf(stderr
, "Error: TCX framebuffer not available\n");
1962 } else if (strstart(p
, "cg3", &opts
)) {
1963 if (cg3_vga_available()) {
1964 vga_interface_type
= VGA_CG3
;
1966 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
1969 } else if (!strstart(p
, "none", &opts
)) {
1971 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1975 const char *nextopt
;
1977 if (strstart(opts
, ",retrace=", &nextopt
)) {
1979 if (strstart(opts
, "dumb", &nextopt
))
1980 vga_retrace_method
= VGA_RETRACE_DUMB
;
1981 else if (strstart(opts
, "precise", &nextopt
))
1982 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1983 else goto invalid_vga
;
1984 } else goto invalid_vga
;
1989 static DisplayType
select_display(const char *p
)
1992 DisplayType display
= DT_DEFAULT
;
1994 if (strstart(p
, "sdl", &opts
)) {
1998 const char *nextopt
;
2000 if (strstart(opts
, ",frame=", &nextopt
)) {
2002 if (strstart(opts
, "on", &nextopt
)) {
2004 } else if (strstart(opts
, "off", &nextopt
)) {
2007 goto invalid_sdl_args
;
2009 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2011 if (strstart(opts
, "on", &nextopt
)) {
2013 } else if (strstart(opts
, "off", &nextopt
)) {
2016 goto invalid_sdl_args
;
2018 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2020 if (strstart(opts
, "on", &nextopt
)) {
2022 } else if (strstart(opts
, "off", &nextopt
)) {
2025 goto invalid_sdl_args
;
2027 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2029 if (strstart(opts
, "on", &nextopt
)) {
2031 } else if (strstart(opts
, "off", &nextopt
)) {
2034 goto invalid_sdl_args
;
2036 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2038 if (strstart(opts
, "on", &nextopt
)) {
2040 } else if (strstart(opts
, "off", &nextopt
)) {
2043 goto invalid_sdl_args
;
2047 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2053 fprintf(stderr
, "SDL support is disabled\n");
2056 } else if (strstart(p
, "vnc", &opts
)) {
2059 if (vnc_parse_func(opts
+1) == NULL
) {
2063 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2067 fprintf(stderr
, "VNC support is disabled\n");
2070 } else if (strstart(p
, "curses", &opts
)) {
2071 #ifdef CONFIG_CURSES
2072 display
= DT_CURSES
;
2074 fprintf(stderr
, "Curses support is disabled\n");
2077 } else if (strstart(p
, "gtk", &opts
)) {
2081 const char *nextopt
;
2083 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2085 if (strstart(opts
, "on", &nextopt
)) {
2086 grab_on_hover
= true;
2087 } else if (strstart(opts
, "off", &nextopt
)) {
2088 grab_on_hover
= false;
2090 goto invalid_gtk_args
;
2092 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2094 if (strstart(opts
, "on", &nextopt
)) {
2096 } else if (strstart(opts
, "off", &nextopt
)) {
2099 goto invalid_gtk_args
;
2103 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2109 fprintf(stderr
, "GTK support is disabled\n");
2112 } else if (strstart(p
, "none", &opts
)) {
2115 fprintf(stderr
, "Unknown display type: %s\n", p
);
2122 static int balloon_parse(const char *arg
)
2126 if (strcmp(arg
, "none") == 0) {
2130 if (!strncmp(arg
, "virtio", 6)) {
2131 if (arg
[6] == ',') {
2132 /* have params -> parse them */
2133 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2137 /* create empty opts */
2138 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2141 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2148 char *qemu_find_file(int type
, const char *name
)
2154 /* Try the name as a straight path first */
2155 if (access(name
, R_OK
) == 0) {
2156 trace_load_file(name
, name
);
2157 return g_strdup(name
);
2161 case QEMU_FILE_TYPE_BIOS
:
2164 case QEMU_FILE_TYPE_KEYMAP
:
2165 subdir
= "keymaps/";
2171 for (i
= 0; i
< data_dir_idx
; i
++) {
2172 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2173 if (access(buf
, R_OK
) == 0) {
2174 trace_load_file(name
, buf
);
2182 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2186 const char *name
, *file
;
2188 if (opaque
== NULL
) {
2189 error_report("fw_cfg device not available");
2192 name
= qemu_opt_get(opts
, "name");
2193 file
= qemu_opt_get(opts
, "file");
2194 if (name
== NULL
|| *name
== '\0' || file
== NULL
|| *file
== '\0') {
2195 error_report("invalid argument value");
2198 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2199 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2202 if (strncmp(name
, "opt/", 4) != 0) {
2203 error_report("WARNING: externally provided fw_cfg item names "
2204 "should be prefixed with \"opt/\"!");
2206 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2207 error_report("can't load %s", file
);
2210 fw_cfg_add_file((FWCfgState
*)opaque
, name
, buf
, size
);
2214 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2216 return qdev_device_help(opts
);
2219 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2223 dev
= qdev_device_add(opts
);
2226 object_unref(OBJECT(dev
));
2230 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2232 Error
*local_err
= NULL
;
2234 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2236 error_report_err(local_err
);
2242 #ifdef CONFIG_VIRTFS
2243 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2246 ret
= qemu_fsdev_add(opts
);
2252 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2254 CharDriverState
*chr
;
2255 const char *chardev
;
2259 mode
= qemu_opt_get(opts
, "mode");
2263 if (strcmp(mode
, "readline") == 0) {
2264 flags
= MONITOR_USE_READLINE
;
2265 } else if (strcmp(mode
, "control") == 0) {
2266 flags
= MONITOR_USE_CONTROL
;
2268 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2272 if (qemu_opt_get_bool(opts
, "pretty", 0))
2273 flags
|= MONITOR_USE_PRETTY
;
2275 if (qemu_opt_get_bool(opts
, "default", 0))
2276 flags
|= MONITOR_IS_DEFAULT
;
2278 chardev
= qemu_opt_get(opts
, "chardev");
2279 chr
= qemu_chr_find(chardev
);
2281 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2285 qemu_chr_fe_claim_no_fail(chr
);
2286 monitor_init(chr
, flags
);
2290 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2292 static int monitor_device_index
= 0;
2293 Error
*local_err
= NULL
;
2299 if (strstart(optarg
, "chardev:", &p
)) {
2300 snprintf(label
, sizeof(label
), "%s", p
);
2302 snprintf(label
, sizeof(label
), "compat_monitor%d",
2303 monitor_device_index
);
2304 if (monitor_device_index
== 0) {
2307 opts
= qemu_chr_parse_compat(label
, optarg
);
2309 fprintf(stderr
, "parse error: %s\n", optarg
);
2314 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2316 error_report_err(local_err
);
2319 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2320 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2321 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2323 qemu_opt_set(opts
, "default", "on", &error_abort
);
2324 monitor_device_index
++;
2327 struct device_config
{
2329 DEV_USB
, /* -usbdevice */
2331 DEV_SERIAL
, /* -serial */
2332 DEV_PARALLEL
, /* -parallel */
2333 DEV_VIRTCON
, /* -virtioconsole */
2334 DEV_DEBUGCON
, /* -debugcon */
2335 DEV_GDB
, /* -gdb, -s */
2336 DEV_SCLP
, /* s390 sclp */
2338 const char *cmdline
;
2340 QTAILQ_ENTRY(device_config
) next
;
2343 static QTAILQ_HEAD(, device_config
) device_configs
=
2344 QTAILQ_HEAD_INITIALIZER(device_configs
);
2346 static void add_device_config(int type
, const char *cmdline
)
2348 struct device_config
*conf
;
2350 conf
= g_malloc0(sizeof(*conf
));
2352 conf
->cmdline
= cmdline
;
2353 loc_save(&conf
->loc
);
2354 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2357 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2359 struct device_config
*conf
;
2362 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2363 if (conf
->type
!= type
)
2365 loc_push_restore(&conf
->loc
);
2366 rc
= func(conf
->cmdline
);
2367 loc_pop(&conf
->loc
);
2375 static int serial_parse(const char *devname
)
2377 static int index
= 0;
2380 if (strcmp(devname
, "none") == 0)
2382 if (index
== MAX_SERIAL_PORTS
) {
2383 fprintf(stderr
, "qemu: too many serial ports\n");
2386 snprintf(label
, sizeof(label
), "serial%d", index
);
2387 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2388 if (!serial_hds
[index
]) {
2389 fprintf(stderr
, "qemu: could not connect serial device"
2390 " to character backend '%s'\n", devname
);
2397 static int parallel_parse(const char *devname
)
2399 static int index
= 0;
2402 if (strcmp(devname
, "none") == 0)
2404 if (index
== MAX_PARALLEL_PORTS
) {
2405 fprintf(stderr
, "qemu: too many parallel ports\n");
2408 snprintf(label
, sizeof(label
), "parallel%d", index
);
2409 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2410 if (!parallel_hds
[index
]) {
2411 fprintf(stderr
, "qemu: could not connect parallel device"
2412 " to character backend '%s'\n", devname
);
2419 static int virtcon_parse(const char *devname
)
2421 QemuOptsList
*device
= qemu_find_opts("device");
2422 static int index
= 0;
2424 QemuOpts
*bus_opts
, *dev_opts
;
2426 if (strcmp(devname
, "none") == 0)
2428 if (index
== MAX_VIRTIO_CONSOLES
) {
2429 fprintf(stderr
, "qemu: too many virtio consoles\n");
2433 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2434 if (arch_type
== QEMU_ARCH_S390X
) {
2435 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390", &error_abort
);
2437 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci", &error_abort
);
2440 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2441 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2443 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2444 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2445 if (!virtcon_hds
[index
]) {
2446 fprintf(stderr
, "qemu: could not connect virtio console"
2447 " to character backend '%s'\n", devname
);
2450 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2456 static int sclp_parse(const char *devname
)
2458 QemuOptsList
*device
= qemu_find_opts("device");
2459 static int index
= 0;
2463 if (strcmp(devname
, "none") == 0) {
2466 if (index
== MAX_SCLP_CONSOLES
) {
2467 fprintf(stderr
, "qemu: too many sclp consoles\n");
2471 assert(arch_type
== QEMU_ARCH_S390X
);
2473 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2474 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2476 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2477 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2478 if (!sclp_hds
[index
]) {
2479 fprintf(stderr
, "qemu: could not connect sclp console"
2480 " to character backend '%s'\n", devname
);
2483 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2489 static int debugcon_parse(const char *devname
)
2493 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2496 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2498 fprintf(stderr
, "qemu: already have a debugcon device\n");
2501 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2502 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2506 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2508 const MachineClass
*mc1
= a
, *mc2
= b
;
2511 if (mc1
->family
== NULL
) {
2512 if (mc2
->family
== NULL
) {
2513 /* Compare standalone machine types against each other; they sort
2514 * in increasing order.
2516 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2517 object_class_get_name(OBJECT_CLASS(mc2
)));
2520 /* Standalone machine types sort after families. */
2524 if (mc2
->family
== NULL
) {
2525 /* Families sort before standalone machine types. */
2529 /* Families sort between each other alphabetically increasingly. */
2530 res
= strcmp(mc1
->family
, mc2
->family
);
2535 /* Within the same family, machine types sort in decreasing order. */
2536 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2537 object_class_get_name(OBJECT_CLASS(mc1
)));
2540 static MachineClass
*machine_parse(const char *name
)
2542 MachineClass
*mc
= NULL
;
2543 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2546 mc
= find_machine(name
);
2549 g_slist_free(machines
);
2552 if (name
&& !is_help_option(name
)) {
2553 error_report("Unsupported machine type");
2554 error_printf("Use -machine help to list supported machines!\n");
2556 printf("Supported machines are:\n");
2557 machines
= g_slist_sort(machines
, machine_class_cmp
);
2558 for (el
= machines
; el
; el
= el
->next
) {
2559 MachineClass
*mc
= el
->data
;
2561 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2563 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2564 mc
->is_default
? " (default)" : "");
2568 g_slist_free(machines
);
2569 exit(!name
|| !is_help_option(name
));
2572 void qemu_add_exit_notifier(Notifier
*notify
)
2574 notifier_list_add(&exit_notifiers
, notify
);
2577 void qemu_remove_exit_notifier(Notifier
*notify
)
2579 notifier_remove(notify
);
2582 static void qemu_run_exit_notifiers(void)
2584 notifier_list_notify(&exit_notifiers
, NULL
);
2587 static bool machine_init_done
;
2589 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2591 notifier_list_add(&machine_init_done_notifiers
, notify
);
2592 if (machine_init_done
) {
2593 notify
->notify(notify
, NULL
);
2597 static void qemu_run_machine_init_done_notifiers(void)
2599 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2600 machine_init_done
= true;
2603 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2604 const char **poptarg
, int *poptind
)
2606 const QEMUOption
*popt
;
2607 int optind
= *poptind
;
2608 char *r
= argv
[optind
];
2611 loc_set_cmdline(argv
, optind
, 1);
2613 /* Treat --foo the same as -foo. */
2616 popt
= qemu_options
;
2619 error_report("invalid option");
2622 if (!strcmp(popt
->name
, r
+ 1))
2626 if (popt
->flags
& HAS_ARG
) {
2627 if (optind
>= argc
) {
2628 error_report("requires an argument");
2631 optarg
= argv
[optind
++];
2632 loc_set_cmdline(argv
, optind
- 2, 2);
2643 static gpointer
malloc_and_trace(gsize n_bytes
)
2645 void *ptr
= malloc(n_bytes
);
2646 trace_g_malloc(n_bytes
, ptr
);
2650 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2652 void *ptr
= realloc(mem
, n_bytes
);
2653 trace_g_realloc(mem
, n_bytes
, ptr
);
2657 static void free_and_trace(gpointer mem
)
2663 static int machine_set_property(void *opaque
,
2664 const char *name
, const char *value
,
2667 Object
*obj
= OBJECT(opaque
);
2668 Error
*local_err
= NULL
;
2671 if (strcmp(name
, "type") == 0) {
2675 qom_name
= g_strdup(name
);
2683 object_property_parse(obj
, value
, qom_name
, &local_err
);
2687 error_report_err(local_err
);
2694 static int object_create(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2703 ov
= opts_visitor_new(opts
);
2704 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2706 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2711 qdict_del(pdict
, "qom-type");
2712 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2717 qdict_del(pdict
, "id");
2718 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2723 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2727 visit_end_struct(opts_get_visitor(ov
), &err
);
2729 qmp_object_del(id
, NULL
);
2733 opts_visitor_cleanup(ov
);
2740 error_report_err(err
);
2746 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2750 const char *mem_str
;
2751 const char *maxmem_str
, *slots_str
;
2752 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2753 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2756 mem_str
= qemu_opt_get(opts
, "size");
2759 error_report("missing 'size' option value");
2763 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2765 /* Fix up legacy suffix-less format */
2766 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2767 uint64_t overflow_check
= sz
;
2770 if ((sz
>> 20) != overflow_check
) {
2771 error_report("too large 'size' option value");
2777 /* backward compatibility behaviour for case "-m 0" */
2779 sz
= default_ram_size
;
2782 sz
= QEMU_ALIGN_UP(sz
, 8192);
2784 if (ram_size
!= sz
) {
2785 error_report("ram size too large");
2789 /* store value for the future use */
2790 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2791 *maxram_size
= ram_size
;
2793 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2794 slots_str
= qemu_opt_get(opts
, "slots");
2795 if (maxmem_str
&& slots_str
) {
2798 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2799 slots
= qemu_opt_get_number(opts
, "slots", 0);
2800 if (sz
< ram_size
) {
2801 error_report("invalid value of -m option maxmem: "
2802 "maximum memory size (0x%" PRIx64
") must be at least "
2803 "the initial memory size (0x" RAM_ADDR_FMT
")",
2806 } else if (sz
> ram_size
) {
2808 error_report("invalid value of -m option: maxmem was "
2809 "specified, but no hotplug slots were specified");
2813 error_report("invalid value of -m option maxmem: "
2814 "memory slots were specified but maximum memory size "
2815 "(0x%" PRIx64
") is equal to the initial memory size "
2816 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2822 } else if ((!maxmem_str
&& slots_str
) ||
2823 (maxmem_str
&& !slots_str
)) {
2824 error_report("invalid -m option value: missing "
2825 "'%s' option", slots_str
? "maxmem" : "slots");
2830 int main(int argc
, char **argv
, char **envp
)
2833 int snapshot
, linux_boot
;
2834 const char *initrd_filename
;
2835 const char *kernel_filename
, *kernel_cmdline
;
2836 const char *boot_order
= NULL
;
2837 const char *boot_once
= NULL
;
2839 int cyls
, heads
, secs
, translation
;
2840 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2841 QemuOptsList
*olist
;
2844 const char *loadvm
= NULL
;
2845 MachineClass
*machine_class
;
2846 const char *cpu_model
;
2847 const char *vga_model
= NULL
;
2848 const char *qtest_chrdev
= NULL
;
2849 const char *qtest_log
= NULL
;
2850 const char *pid_file
= NULL
;
2851 const char *incoming
= NULL
;
2853 int show_vnc_port
= 0;
2855 bool defconfig
= true;
2856 bool userconfig
= true;
2857 const char *log_mask
= NULL
;
2858 const char *log_file
= NULL
;
2859 GMemVTable mem_trace
= {
2860 .malloc
= malloc_and_trace
,
2861 .realloc
= realloc_and_trace
,
2862 .free
= free_and_trace
,
2864 const char *trace_events
= NULL
;
2865 const char *trace_file
= NULL
;
2866 ram_addr_t maxram_size
;
2867 uint64_t ram_slots
= 0;
2868 FILE *vmstate_dump_file
= NULL
;
2869 Error
*main_loop_err
= NULL
;
2871 qemu_init_cpu_loop();
2872 qemu_mutex_lock_iothread();
2874 atexit(qemu_run_exit_notifiers
);
2875 error_set_progname(argv
[0]);
2876 qemu_init_exec_dir(argv
[0]);
2878 g_mem_set_vtable(&mem_trace
);
2880 module_call_init(MODULE_INIT_QOM
);
2882 qemu_add_opts(&qemu_drive_opts
);
2883 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2884 qemu_add_drive_opts(&qemu_common_drive_opts
);
2885 qemu_add_drive_opts(&qemu_drive_opts
);
2886 qemu_add_opts(&qemu_chardev_opts
);
2887 qemu_add_opts(&qemu_device_opts
);
2888 qemu_add_opts(&qemu_netdev_opts
);
2889 qemu_add_opts(&qemu_net_opts
);
2890 qemu_add_opts(&qemu_rtc_opts
);
2891 qemu_add_opts(&qemu_global_opts
);
2892 qemu_add_opts(&qemu_mon_opts
);
2893 qemu_add_opts(&qemu_trace_opts
);
2894 qemu_add_opts(&qemu_option_rom_opts
);
2895 qemu_add_opts(&qemu_machine_opts
);
2896 qemu_add_opts(&qemu_mem_opts
);
2897 qemu_add_opts(&qemu_smp_opts
);
2898 qemu_add_opts(&qemu_boot_opts
);
2899 qemu_add_opts(&qemu_sandbox_opts
);
2900 qemu_add_opts(&qemu_add_fd_opts
);
2901 qemu_add_opts(&qemu_object_opts
);
2902 qemu_add_opts(&qemu_tpmdev_opts
);
2903 qemu_add_opts(&qemu_realtime_opts
);
2904 qemu_add_opts(&qemu_msg_opts
);
2905 qemu_add_opts(&qemu_name_opts
);
2906 qemu_add_opts(&qemu_numa_opts
);
2907 qemu_add_opts(&qemu_icount_opts
);
2908 qemu_add_opts(&qemu_semihosting_config_opts
);
2909 qemu_add_opts(&qemu_fw_cfg_opts
);
2913 rtc_clock
= QEMU_CLOCK_HOST
;
2915 QLIST_INIT (&vm_change_state_head
);
2916 os_setup_early_signal_handling();
2918 module_call_init(MODULE_INIT_MACHINE
);
2919 machine_class
= find_default_machine();
2922 cyls
= heads
= secs
= 0;
2923 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2927 bdrv_init_with_whitelist();
2931 /* first pass of option parsing */
2933 while (optind
< argc
) {
2934 if (argv
[optind
][0] != '-') {
2938 const QEMUOption
*popt
;
2940 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2941 switch (popt
->index
) {
2942 case QEMU_OPTION_nodefconfig
:
2945 case QEMU_OPTION_nouserconfig
:
2954 ret
= qemu_read_default_config_files(userconfig
);
2960 /* second pass of option parsing */
2965 if (argv
[optind
][0] != '-') {
2966 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2968 const QEMUOption
*popt
;
2970 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2971 if (!(popt
->arch_mask
& arch_type
)) {
2972 printf("Option %s not supported for this target\n", popt
->name
);
2975 switch(popt
->index
) {
2976 case QEMU_OPTION_no_kvm_irqchip
: {
2977 olist
= qemu_find_opts("machine");
2978 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2981 case QEMU_OPTION_cpu
:
2982 /* hw initialization will check this */
2985 case QEMU_OPTION_hda
:
2989 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2991 snprintf(buf
, sizeof(buf
),
2992 "%s,cyls=%d,heads=%d,secs=%d%s",
2993 HD_OPTS
, cyls
, heads
, secs
,
2994 translation
== BIOS_ATA_TRANSLATION_LBA
?
2996 translation
== BIOS_ATA_TRANSLATION_NONE
?
2997 ",trans=none" : "");
2998 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3001 case QEMU_OPTION_hdb
:
3002 case QEMU_OPTION_hdc
:
3003 case QEMU_OPTION_hdd
:
3004 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3007 case QEMU_OPTION_drive
:
3008 if (drive_def(optarg
) == NULL
) {
3012 case QEMU_OPTION_set
:
3013 if (qemu_set_option(optarg
) != 0)
3016 case QEMU_OPTION_global
:
3017 if (qemu_global_option(optarg
) != 0)
3020 case QEMU_OPTION_mtdblock
:
3021 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3023 case QEMU_OPTION_sd
:
3024 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3026 case QEMU_OPTION_pflash
:
3027 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3029 case QEMU_OPTION_snapshot
:
3032 case QEMU_OPTION_hdachs
:
3036 cyls
= strtol(p
, (char **)&p
, 0);
3037 if (cyls
< 1 || cyls
> 16383)
3042 heads
= strtol(p
, (char **)&p
, 0);
3043 if (heads
< 1 || heads
> 16)
3048 secs
= strtol(p
, (char **)&p
, 0);
3049 if (secs
< 1 || secs
> 63)
3053 if (!strcmp(p
, "large")) {
3054 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3055 } else if (!strcmp(p
, "rechs")) {
3056 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3057 } else if (!strcmp(p
, "none")) {
3058 translation
= BIOS_ATA_TRANSLATION_NONE
;
3059 } else if (!strcmp(p
, "lba")) {
3060 translation
= BIOS_ATA_TRANSLATION_LBA
;
3061 } else if (!strcmp(p
, "auto")) {
3062 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3066 } else if (*p
!= '\0') {
3068 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3071 if (hda_opts
!= NULL
) {
3072 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3074 qemu_opt_set_number(hda_opts
, "heads", heads
,
3076 qemu_opt_set_number(hda_opts
, "secs", secs
,
3078 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3079 qemu_opt_set(hda_opts
, "trans", "large",
3081 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3082 qemu_opt_set(hda_opts
, "trans", "rechs",
3084 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3085 qemu_opt_set(hda_opts
, "trans", "lba",
3087 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3088 qemu_opt_set(hda_opts
, "trans", "none",
3094 case QEMU_OPTION_numa
:
3095 opts
= qemu_opts_parse(qemu_find_opts("numa"), optarg
, 1);
3100 case QEMU_OPTION_display
:
3101 display_type
= select_display(optarg
);
3103 case QEMU_OPTION_nographic
:
3104 display_type
= DT_NOGRAPHIC
;
3106 case QEMU_OPTION_curses
:
3107 #ifdef CONFIG_CURSES
3108 display_type
= DT_CURSES
;
3110 fprintf(stderr
, "Curses support is disabled\n");
3114 case QEMU_OPTION_portrait
:
3115 graphic_rotate
= 90;
3117 case QEMU_OPTION_rotate
:
3118 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3119 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3120 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3122 "qemu: only 90, 180, 270 deg rotation is available\n");
3126 case QEMU_OPTION_kernel
:
3127 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3130 case QEMU_OPTION_initrd
:
3131 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3134 case QEMU_OPTION_append
:
3135 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3138 case QEMU_OPTION_dtb
:
3139 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3142 case QEMU_OPTION_cdrom
:
3143 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3145 case QEMU_OPTION_boot
:
3146 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3151 case QEMU_OPTION_fda
:
3152 case QEMU_OPTION_fdb
:
3153 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3156 case QEMU_OPTION_no_fd_bootchk
:
3159 case QEMU_OPTION_netdev
:
3160 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3164 case QEMU_OPTION_net
:
3165 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3169 #ifdef CONFIG_LIBISCSI
3170 case QEMU_OPTION_iscsi
:
3171 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3178 case QEMU_OPTION_tftp
:
3179 legacy_tftp_prefix
= optarg
;
3181 case QEMU_OPTION_bootp
:
3182 legacy_bootp_filename
= optarg
;
3184 case QEMU_OPTION_redir
:
3185 if (net_slirp_redir(optarg
) < 0)
3189 case QEMU_OPTION_bt
:
3190 add_device_config(DEV_BT
, optarg
);
3192 case QEMU_OPTION_audio_help
:
3196 case QEMU_OPTION_soundhw
:
3197 select_soundhw (optarg
);
3202 case QEMU_OPTION_version
:
3207 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3214 case QEMU_OPTION_tpmdev
:
3215 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3220 case QEMU_OPTION_mempath
:
3223 case QEMU_OPTION_mem_prealloc
:
3233 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3235 case QEMU_OPTION_gdb
:
3236 add_device_config(DEV_GDB
, optarg
);
3239 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3240 data_dir
[data_dir_idx
++] = optarg
;
3243 case QEMU_OPTION_bios
:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3247 case QEMU_OPTION_singlestep
:
3254 keyboard_layout
= optarg
;
3256 case QEMU_OPTION_localtime
:
3259 case QEMU_OPTION_vga
:
3268 w
= strtol(p
, (char **)&p
, 10);
3271 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3277 h
= strtol(p
, (char **)&p
, 10);
3282 depth
= strtol(p
, (char **)&p
, 10);
3283 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3284 depth
!= 24 && depth
!= 32)
3286 } else if (*p
== '\0') {
3287 depth
= graphic_depth
;
3294 graphic_depth
= depth
;
3297 case QEMU_OPTION_echr
:
3300 term_escape_char
= strtol(optarg
, &r
, 0);
3302 printf("Bad argument to echr\n");
3305 case QEMU_OPTION_monitor
:
3306 default_monitor
= 0;
3307 if (strncmp(optarg
, "none", 4)) {
3308 monitor_parse(optarg
, "readline", false);
3311 case QEMU_OPTION_qmp
:
3312 monitor_parse(optarg
, "control", false);
3313 default_monitor
= 0;
3315 case QEMU_OPTION_qmp_pretty
:
3316 monitor_parse(optarg
, "control", true);
3317 default_monitor
= 0;
3319 case QEMU_OPTION_mon
:
3320 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3324 default_monitor
= 0;
3326 case QEMU_OPTION_chardev
:
3327 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3332 case QEMU_OPTION_fsdev
:
3333 olist
= qemu_find_opts("fsdev");
3335 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3338 opts
= qemu_opts_parse(olist
, optarg
, 1);
3343 case QEMU_OPTION_virtfs
: {
3346 const char *writeout
, *sock_fd
, *socket
;
3348 olist
= qemu_find_opts("virtfs");
3350 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3353 opts
= qemu_opts_parse(olist
, optarg
, 1);
3358 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3359 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3360 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3363 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3364 qemu_opt_get(opts
, "mount_tag"),
3367 fprintf(stderr
, "duplicate fsdev id: %s\n",
3368 qemu_opt_get(opts
, "mount_tag"));
3372 writeout
= qemu_opt_get(opts
, "writeout");
3374 #ifdef CONFIG_SYNC_FILE_RANGE
3375 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3377 fprintf(stderr
, "writeout=immediate not supported on "
3382 qemu_opt_set(fsdev
, "fsdriver",
3383 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3384 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3386 qemu_opt_set(fsdev
, "security_model",
3387 qemu_opt_get(opts
, "security_model"),
3389 socket
= qemu_opt_get(opts
, "socket");
3391 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3393 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3395 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3398 qemu_opt_set_bool(fsdev
, "readonly",
3399 qemu_opt_get_bool(opts
, "readonly", 0),
3401 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3403 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3404 qemu_opt_set(device
, "fsdev",
3405 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3406 qemu_opt_set(device
, "mount_tag",
3407 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3410 case QEMU_OPTION_virtfs_synth
: {
3414 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3417 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3420 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3422 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3424 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3425 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3426 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3429 case QEMU_OPTION_serial
:
3430 add_device_config(DEV_SERIAL
, optarg
);
3432 if (strncmp(optarg
, "mon:", 4) == 0) {
3433 default_monitor
= 0;
3436 case QEMU_OPTION_watchdog
:
3439 "qemu: only one watchdog option may be given\n");
3444 case QEMU_OPTION_watchdog_action
:
3445 if (select_watchdog_action(optarg
) == -1) {
3446 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3450 case QEMU_OPTION_virtiocon
:
3451 add_device_config(DEV_VIRTCON
, optarg
);
3452 default_virtcon
= 0;
3453 if (strncmp(optarg
, "mon:", 4) == 0) {
3454 default_monitor
= 0;
3457 case QEMU_OPTION_parallel
:
3458 add_device_config(DEV_PARALLEL
, optarg
);
3459 default_parallel
= 0;
3460 if (strncmp(optarg
, "mon:", 4) == 0) {
3461 default_monitor
= 0;
3464 case QEMU_OPTION_debugcon
:
3465 add_device_config(DEV_DEBUGCON
, optarg
);
3467 case QEMU_OPTION_loadvm
:
3470 case QEMU_OPTION_full_screen
:
3473 case QEMU_OPTION_no_frame
:
3476 case QEMU_OPTION_alt_grab
:
3479 case QEMU_OPTION_ctrl_grab
:
3482 case QEMU_OPTION_no_quit
:
3485 case QEMU_OPTION_sdl
:
3487 display_type
= DT_SDL
;
3490 fprintf(stderr
, "SDL support is disabled\n");
3493 case QEMU_OPTION_pidfile
:
3496 case QEMU_OPTION_win2k_hack
:
3497 win2k_install_hack
= 1;
3499 case QEMU_OPTION_rtc_td_hack
: {
3500 static GlobalProperty slew_lost_ticks
[] = {
3502 .driver
= "mc146818rtc",
3503 .property
= "lost_tick_policy",
3506 { /* end of list */ }
3509 qdev_prop_register_global_list(slew_lost_ticks
);
3512 case QEMU_OPTION_acpitable
:
3513 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3517 do_acpitable_option(opts
);
3519 case QEMU_OPTION_smbios
:
3520 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3524 do_smbios_option(opts
);
3526 case QEMU_OPTION_fwcfg
:
3527 opts
= qemu_opts_parse(qemu_find_opts("fw_cfg"), optarg
, 1);
3532 case QEMU_OPTION_enable_kvm
:
3533 olist
= qemu_find_opts("machine");
3534 qemu_opts_parse(olist
, "accel=kvm", 0);
3537 case QEMU_OPTION_machine
:
3538 olist
= qemu_find_opts("machine");
3539 opts
= qemu_opts_parse(olist
, optarg
, 1);
3544 case QEMU_OPTION_no_kvm
:
3545 olist
= qemu_find_opts("machine");
3546 qemu_opts_parse(olist
, "accel=tcg", 0);
3548 case QEMU_OPTION_no_kvm_pit
: {
3549 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3553 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3554 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3556 .driver
= "kvm-pit",
3557 .property
= "lost_tick_policy",
3560 { /* end of list */ }
3563 fprintf(stderr
, "Warning: option deprecated, use "
3564 "lost_tick_policy property of kvm-pit instead.\n");
3565 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3568 case QEMU_OPTION_usb
:
3569 olist
= qemu_find_opts("machine");
3570 qemu_opts_parse(olist
, "usb=on", 0);
3572 case QEMU_OPTION_usbdevice
:
3573 olist
= qemu_find_opts("machine");
3574 qemu_opts_parse(olist
, "usb=on", 0);
3575 add_device_config(DEV_USB
, optarg
);
3577 case QEMU_OPTION_device
:
3578 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3582 case QEMU_OPTION_smp
:
3583 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3587 case QEMU_OPTION_vnc
:
3589 if (vnc_parse_func(optarg
) == NULL
) {
3593 fprintf(stderr
, "VNC support is disabled\n");
3597 case QEMU_OPTION_no_acpi
:
3600 case QEMU_OPTION_no_hpet
:
3603 case QEMU_OPTION_balloon
:
3604 if (balloon_parse(optarg
) < 0) {
3605 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3609 case QEMU_OPTION_no_reboot
:
3612 case QEMU_OPTION_no_shutdown
:
3615 case QEMU_OPTION_show_cursor
:
3618 case QEMU_OPTION_uuid
:
3619 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3620 fprintf(stderr
, "Fail to parse UUID string."
3621 " Wrong format.\n");
3624 qemu_uuid_set
= true;
3626 case QEMU_OPTION_option_rom
:
3627 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3628 fprintf(stderr
, "Too many option ROMs\n");
3631 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3635 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3636 option_rom
[nb_option_roms
].bootindex
=
3637 qemu_opt_get_number(opts
, "bootindex", -1);
3638 if (!option_rom
[nb_option_roms
].name
) {
3639 fprintf(stderr
, "Option ROM file is not specified\n");
3644 case QEMU_OPTION_semihosting
:
3645 semihosting
.enabled
= true;
3646 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3648 case QEMU_OPTION_semihosting_config
:
3649 semihosting
.enabled
= true;
3650 opts
= qemu_opts_parse(qemu_find_opts("semihosting-config"),
3653 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3655 const char *target
= qemu_opt_get(opts
, "target");
3656 if (target
!= NULL
) {
3657 if (strcmp("native", target
) == 0) {
3658 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3659 } else if (strcmp("gdb", target
) == 0) {
3660 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3661 } else if (strcmp("auto", target
) == 0) {
3662 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3664 fprintf(stderr
, "Unsupported semihosting-config"
3670 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3673 fprintf(stderr
, "Unsupported semihosting-config %s\n",
3678 case QEMU_OPTION_tdf
:
3679 fprintf(stderr
, "Warning: user space PIT time drift fix "
3680 "is no longer supported.\n");
3682 case QEMU_OPTION_name
:
3683 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3688 case QEMU_OPTION_prom_env
:
3689 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3690 fprintf(stderr
, "Too many prom variables\n");
3693 prom_envs
[nb_prom_envs
] = optarg
;
3696 case QEMU_OPTION_old_param
:
3699 case QEMU_OPTION_clock
:
3700 /* Clock options no longer exist. Keep this option for
3701 * backward compatibility.
3704 case QEMU_OPTION_startdate
:
3705 configure_rtc_date_offset(optarg
, 1);
3707 case QEMU_OPTION_rtc
:
3708 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3712 configure_rtc(opts
);
3714 case QEMU_OPTION_tb_size
:
3715 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3716 if (tcg_tb_size
< 0) {
3720 case QEMU_OPTION_icount
:
3721 icount_opts
= qemu_opts_parse(qemu_find_opts("icount"),
3727 case QEMU_OPTION_incoming
:
3729 runstate_set(RUN_STATE_INMIGRATE
);
3733 case QEMU_OPTION_nodefaults
:
3736 case QEMU_OPTION_xen_domid
:
3737 if (!(xen_available())) {
3738 printf("Option %s not supported for this target\n", popt
->name
);
3741 xen_domid
= atoi(optarg
);
3743 case QEMU_OPTION_xen_create
:
3744 if (!(xen_available())) {
3745 printf("Option %s not supported for this target\n", popt
->name
);
3748 xen_mode
= XEN_CREATE
;
3750 case QEMU_OPTION_xen_attach
:
3751 if (!(xen_available())) {
3752 printf("Option %s not supported for this target\n", popt
->name
);
3755 xen_mode
= XEN_ATTACH
;
3757 case QEMU_OPTION_trace
:
3759 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3763 trace_events
= qemu_opt_get(opts
, "events");
3764 trace_file
= qemu_opt_get(opts
, "file");
3767 case QEMU_OPTION_readconfig
:
3769 int ret
= qemu_read_config_file(optarg
);
3771 fprintf(stderr
, "read config %s: %s\n", optarg
,
3777 case QEMU_OPTION_spice
:
3778 olist
= qemu_find_opts("spice");
3780 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3783 opts
= qemu_opts_parse(olist
, optarg
, 0);
3789 case QEMU_OPTION_writeconfig
:
3792 if (strcmp(optarg
, "-") == 0) {
3795 fp
= fopen(optarg
, "w");
3797 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3801 qemu_config_write(fp
);
3807 case QEMU_OPTION_qtest
:
3808 qtest_chrdev
= optarg
;
3810 case QEMU_OPTION_qtest_log
:
3813 case QEMU_OPTION_sandbox
:
3814 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3819 case QEMU_OPTION_add_fd
:
3821 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3826 error_report("File descriptor passing is disabled on this "
3831 case QEMU_OPTION_object
:
3832 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3837 case QEMU_OPTION_realtime
:
3838 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3842 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3844 case QEMU_OPTION_msg
:
3845 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3849 configure_msg(opts
);
3851 case QEMU_OPTION_dump_vmstate
:
3852 if (vmstate_dump_file
) {
3853 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3854 "option may be given\n");
3857 vmstate_dump_file
= fopen(optarg
, "w");
3858 if (vmstate_dump_file
== NULL
) {
3859 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3864 os_parse_cmd_args(popt
->index
, optarg
);
3869 opts
= qemu_get_machine_opts();
3870 optarg
= qemu_opt_get(opts
, "type");
3872 machine_class
= machine_parse(optarg
);
3875 if (machine_class
== NULL
) {
3876 fprintf(stderr
, "No machine specified, and there is no default.\n"
3877 "Use -machine help to list supported machines!\n");
3881 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3887 if (qemu_init_main_loop(&main_loop_err
)) {
3888 error_report_err(main_loop_err
);
3892 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3893 parse_sandbox
, NULL
, NULL
)) {
3897 if (qemu_opts_foreach(qemu_find_opts("name"),
3898 parse_name
, NULL
, NULL
)) {
3903 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3904 parse_add_fd
, NULL
, NULL
)) {
3908 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3909 cleanup_add_fd
, NULL
, NULL
)) {
3914 current_machine
= MACHINE(object_new(object_class_get_name(
3915 OBJECT_CLASS(machine_class
))));
3916 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3919 object_property_add_child(object_get_root(), "machine",
3920 OBJECT(current_machine
), &error_abort
);
3921 cpu_exec_init_all();
3923 if (machine_class
->hw_version
) {
3924 qemu_set_version(machine_class
->hw_version
);
3927 /* Init CPU def lists, based on config
3928 * - Must be called after all the qemu_read_config_file() calls
3929 * - Must be called before list_cpus()
3930 * - Must be called before machine->init()
3934 if (cpu_model
&& is_help_option(cpu_model
)) {
3935 list_cpus(stdout
, &fprintf
, cpu_model
);
3939 /* Open the logfile at this point, if necessary. We can't open the logfile
3940 * when encountering either of the logging options (-d or -D) because the
3941 * other one may be encountered later on the command line, changing the
3942 * location or level of logging.
3947 qemu_set_log_filename(log_file
);
3950 mask
= qemu_str_to_log_mask(log_mask
);
3952 qemu_print_log_usage(stdout
);
3958 if (!is_daemonized()) {
3959 if (!trace_init_backends(trace_events
, trace_file
)) {
3964 /* If no data_dir is specified then try to find it relative to the
3966 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3967 data_dir
[data_dir_idx
] = os_find_datadir();
3968 if (data_dir
[data_dir_idx
] != NULL
) {
3972 /* If all else fails use the install path specified when building. */
3973 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3974 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3977 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3979 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
3980 if (max_cpus
> machine_class
->max_cpus
) {
3981 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3982 "supported by machine `%s' (%d)\n", max_cpus
,
3983 machine_class
->name
, machine_class
->max_cpus
);
3988 * Get the default machine options from the machine if it is not already
3989 * specified either by the configuration file or by the command line.
3991 if (machine_class
->default_machine_opts
) {
3992 qemu_opts_set_defaults(qemu_find_opts("machine"),
3993 machine_class
->default_machine_opts
, 0);
3996 qemu_opts_foreach(qemu_find_opts("device"),
3997 default_driver_check
, NULL
, NULL
);
3998 qemu_opts_foreach(qemu_find_opts("global"),
3999 default_driver_check
, NULL
, NULL
);
4001 if (!vga_model
&& !default_vga
) {
4002 vga_interface_type
= VGA_DEVICE
;
4004 if (!has_defaults
|| machine_class
->no_serial
) {
4007 if (!has_defaults
|| machine_class
->no_parallel
) {
4008 default_parallel
= 0;
4010 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4011 default_virtcon
= 0;
4013 if (!has_defaults
|| !machine_class
->use_sclp
) {
4016 if (!has_defaults
|| machine_class
->no_floppy
) {
4019 if (!has_defaults
|| machine_class
->no_cdrom
) {
4022 if (!has_defaults
|| machine_class
->no_sdcard
) {
4025 if (!has_defaults
) {
4026 default_monitor
= 0;
4031 if (is_daemonized()) {
4032 /* According to documentation and historically, -nographic redirects
4033 * serial port, parallel port and monitor to stdio, which does not work
4034 * with -daemonize. We can redirect these to null instead, but since
4035 * -nographic is legacy, let's just error out.
4036 * We disallow -nographic only if all other ports are not redirected
4037 * explicitly, to not break existing legacy setups which uses
4038 * -nographic _and_ redirects all ports explicitly - this is valid
4039 * usage, -nographic is just a no-op in this case.
4041 if (display_type
== DT_NOGRAPHIC
4042 && (default_parallel
|| default_serial
4043 || default_monitor
|| default_virtcon
)) {
4044 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4047 #ifdef CONFIG_CURSES
4048 if (display_type
== DT_CURSES
) {
4049 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4055 if (display_type
== DT_NOGRAPHIC
) {
4056 if (default_parallel
)
4057 add_device_config(DEV_PARALLEL
, "null");
4058 if (default_serial
&& default_monitor
) {
4059 add_device_config(DEV_SERIAL
, "mon:stdio");
4060 } else if (default_virtcon
&& default_monitor
) {
4061 add_device_config(DEV_VIRTCON
, "mon:stdio");
4062 } else if (default_sclp
&& default_monitor
) {
4063 add_device_config(DEV_SCLP
, "mon:stdio");
4066 add_device_config(DEV_SERIAL
, "stdio");
4067 if (default_virtcon
)
4068 add_device_config(DEV_VIRTCON
, "stdio");
4070 add_device_config(DEV_SCLP
, "stdio");
4072 if (default_monitor
)
4073 monitor_parse("stdio", "readline", false);
4077 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4078 if (default_parallel
)
4079 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4080 if (default_monitor
)
4081 monitor_parse("vc:80Cx24C", "readline", false);
4082 if (default_virtcon
)
4083 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4085 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4089 #if defined(CONFIG_VNC)
4090 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4094 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4095 #if defined(CONFIG_GTK)
4096 display_type
= DT_GTK
;
4097 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4098 display_type
= DT_SDL
;
4099 #elif defined(CONFIG_VNC)
4100 vnc_parse_func("localhost:0,to=99,id=default");
4103 display_type
= DT_NONE
;
4107 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4108 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4109 "for SDL, ignoring option\n");
4111 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4112 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4113 "ignoring option\n");
4116 #if defined(CONFIG_GTK)
4117 if (display_type
== DT_GTK
) {
4118 early_gtk_display_init(request_opengl
);
4121 #if defined(CONFIG_SDL)
4122 if (display_type
== DT_SDL
) {
4123 sdl_display_early_init(request_opengl
);
4126 if (request_opengl
== 1 && display_opengl
== 0) {
4127 #if defined(CONFIG_OPENGL)
4128 fprintf(stderr
, "OpenGL is not supported by the display.\n");
4130 fprintf(stderr
, "QEMU was built without opengl support.\n");
4137 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4138 chardev_init_func
, NULL
, NULL
)) {
4142 #ifdef CONFIG_VIRTFS
4143 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4144 fsdev_init_func
, NULL
, NULL
)) {
4149 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4150 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4154 if (qemu_opts_foreach(qemu_find_opts("device"),
4155 device_help_func
, NULL
, NULL
)) {
4159 if (qemu_opts_foreach(qemu_find_opts("object"),
4160 object_create
, NULL
, NULL
)) {
4164 machine_opts
= qemu_get_machine_opts();
4165 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4167 object_unref(OBJECT(current_machine
));
4171 configure_accelerator(current_machine
);
4174 Error
*local_err
= NULL
;
4175 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4177 error_report_err(local_err
);
4182 machine_opts
= qemu_get_machine_opts();
4183 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4184 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4185 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4186 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4188 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4190 Error
*local_err
= NULL
;
4192 boot_order
= qemu_opt_get(opts
, "order");
4194 validate_bootdevices(boot_order
, &local_err
);
4196 error_report_err(local_err
);
4201 boot_once
= qemu_opt_get(opts
, "once");
4203 validate_bootdevices(boot_once
, &local_err
);
4205 error_report_err(local_err
);
4210 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4211 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4215 boot_order
= machine_class
->default_boot_order
;
4218 if (!kernel_cmdline
) {
4219 kernel_cmdline
= "";
4220 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4223 linux_boot
= (kernel_filename
!= NULL
);
4225 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4226 fprintf(stderr
, "-append only allowed with -kernel option\n");
4230 if (!linux_boot
&& initrd_filename
!= NULL
) {
4231 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4235 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4236 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4240 os_set_line_buffering();
4243 /* spice needs the timers to be initialized by this point */
4249 if (kvm_enabled() || xen_enabled()) {
4250 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4253 configure_icount(icount_opts
, &error_abort
);
4254 qemu_opts_del(icount_opts
);
4257 /* clean up network at qemu process termination */
4258 atexit(&net_cleanup
);
4260 if (net_init_clients() < 0) {
4265 if (tpm_init() < 0) {
4270 /* init the bluetooth world */
4271 if (foreach_device_config(DEV_BT
, bt_parse
))
4274 if (!xen_enabled()) {
4275 /* On 32-bit hosts, QEMU is limited by virtual address space */
4276 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4277 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4285 /* If the currently selected machine wishes to override the units-per-bus
4286 * property of its default HBA interface type, do so now. */
4287 if (machine_class
->units_per_default_bus
) {
4288 override_max_devs(machine_class
->block_default_type
,
4289 machine_class
->units_per_default_bus
);
4292 /* open the virtual block devices */
4294 qemu_opts_foreach(qemu_find_opts("drive"),
4295 drive_enable_snapshot
, NULL
, NULL
);
4296 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4297 &machine_class
->block_default_type
, NULL
)) {
4301 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4303 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4304 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4306 parse_numa_opts(machine_class
);
4308 if (qemu_opts_foreach(qemu_find_opts("mon"),
4309 mon_init_func
, NULL
, NULL
)) {
4313 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4315 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4317 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4319 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4322 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4325 /* If no default VGA is requested, the default is "none". */
4327 if (machine_class
->default_display
) {
4328 vga_model
= machine_class
->default_display
;
4329 } else if (cirrus_vga_available()) {
4330 vga_model
= "cirrus";
4331 } else if (vga_available()) {
4336 select_vgahw(vga_model
);
4340 i
= select_watchdog(watchdog
);
4342 exit (i
== 1 ? 1 : 0);
4345 if (machine_class
->compat_props
) {
4346 qdev_prop_register_global_list(machine_class
->compat_props
);
4350 qdev_machine_init();
4352 current_machine
->ram_size
= ram_size
;
4353 current_machine
->maxram_size
= maxram_size
;
4354 current_machine
->ram_slots
= ram_slots
;
4355 current_machine
->boot_order
= boot_order
;
4356 current_machine
->cpu_model
= cpu_model
;
4358 machine_class
->init(current_machine
);
4364 cpu_synchronize_all_post_init();
4366 numa_post_machine_init();
4368 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4369 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4373 /* init USB devices */
4374 if (usb_enabled()) {
4375 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4379 /* init generic devices */
4380 if (qemu_opts_foreach(qemu_find_opts("device"),
4381 device_init_func
, NULL
, NULL
)) {
4385 /* Did we create any drives that we failed to create a device for? */
4386 drive_check_orphaned();
4388 net_check_clients();
4391 Error
*local_err
= NULL
;
4392 qemu_boot_set(boot_once
, &local_err
);
4394 error_report("%s", error_get_pretty(local_err
));
4397 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4400 ds
= init_displaystate();
4402 /* init local displays */
4403 switch (display_type
) {
4405 (void)ds
; /* avoid warning if no display is configured */
4407 #if defined(CONFIG_CURSES)
4409 curses_display_init(ds
, full_screen
);
4412 #if defined(CONFIG_SDL)
4414 sdl_display_init(ds
, full_screen
, no_frame
);
4416 #elif defined(CONFIG_COCOA)
4418 cocoa_display_init(ds
, full_screen
);
4421 #if defined(CONFIG_GTK)
4423 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4430 /* must be after terminal init, SDL library changes signal handlers */
4431 os_setup_signal_handling();
4434 /* init remote displays */
4435 qemu_opts_foreach(qemu_find_opts("vnc"),
4436 vnc_init_func
, NULL
, NULL
);
4437 if (show_vnc_port
) {
4438 char *ret
= vnc_display_local_addr("default");
4439 printf("VNC server running on `%s'\n", ret
);
4445 qemu_spice_display_init();
4449 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4453 qdev_machine_creation_done();
4455 if (rom_load_all() != 0) {
4456 fprintf(stderr
, "rom loading failed\n");
4460 /* TODO: once all bus devices are qdevified, this should be done
4461 * when bus is created by qdev.c */
4462 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4463 qemu_run_machine_init_done_notifiers();
4465 /* Done notifiers can load ROMs */
4468 qemu_system_reset(VMRESET_SILENT
);
4470 if (load_vmstate(loadvm
) < 0) {
4475 qdev_prop_check_globals();
4476 if (vmstate_dump_file
) {
4478 dump_vmstate_json_to_file(vmstate_dump_file
);
4483 Error
*local_err
= NULL
;
4484 qemu_start_incoming_migration(incoming
, &local_err
);
4486 error_report("-incoming %s: %s", incoming
,
4487 error_get_pretty(local_err
));
4488 error_free(local_err
);
4491 } else if (autostart
) {
4497 if (is_daemonized()) {
4498 if (!trace_init_backends(trace_events
, trace_file
)) {