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
,
493 .type
= QEMU_OPT_STRING
,
495 { /* end of list */ }
499 static QemuOptsList qemu_fw_cfg_opts
= {
501 .implied_opt_name
= "name",
502 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
506 .type
= QEMU_OPT_STRING
,
507 .help
= "Sets the fw_cfg name of the blob to be inserted",
510 .type
= QEMU_OPT_STRING
,
511 .help
= "Sets the name of the file from which\n"
512 "the fw_cfg blob will be loaded",
514 { /* end of list */ }
519 * Get machine options
521 * Returns: machine options (never null).
523 QemuOpts
*qemu_get_machine_opts(void)
525 return qemu_find_opts_singleton("machine");
528 const char *qemu_get_vm_name(void)
533 static void res_free(void)
535 if (boot_splash_filedata
!= NULL
) {
536 g_free(boot_splash_filedata
);
537 boot_splash_filedata
= NULL
;
541 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
543 const char *driver
= qemu_opt_get(opts
, "driver");
548 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
549 if (strcmp(default_list
[i
].driver
, driver
) != 0)
551 *(default_list
[i
].flag
) = 0;
556 /***********************************************************/
559 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested
= RUN_STATE_MAX
;
563 static QemuMutex vmstop_lock
;
568 } RunStateTransition
;
570 static const RunStateTransition runstate_transitions_def
[] = {
572 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
573 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
576 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
578 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
579 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
582 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
584 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
585 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
587 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
588 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
590 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
591 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
594 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
595 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
597 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
599 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
600 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
601 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
602 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
603 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
605 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
606 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
607 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
608 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
610 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
612 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
613 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
615 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
616 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
617 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
618 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
621 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
624 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_MAX
, RUN_STATE_MAX
},
629 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
631 bool runstate_check(RunState state
)
633 return current_run_state
== state
;
636 static void runstate_init(void)
638 const RunStateTransition
*p
;
640 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
641 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
642 runstate_valid_transitions
[p
->from
][p
->to
] = true;
645 qemu_mutex_init(&vmstop_lock
);
648 /* This function will abort() on invalid state transitions */
649 void runstate_set(RunState new_state
)
651 assert(new_state
< RUN_STATE_MAX
);
653 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
654 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
655 RunState_lookup
[current_run_state
],
656 RunState_lookup
[new_state
]);
659 trace_runstate_set(new_state
);
660 current_run_state
= new_state
;
663 int runstate_is_running(void)
665 return runstate_check(RUN_STATE_RUNNING
);
668 bool runstate_needs_reset(void)
670 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
671 runstate_check(RUN_STATE_SHUTDOWN
);
674 StatusInfo
*qmp_query_status(Error
**errp
)
676 StatusInfo
*info
= g_malloc0(sizeof(*info
));
678 info
->running
= runstate_is_running();
679 info
->singlestep
= singlestep
;
680 info
->status
= current_run_state
;
685 static bool qemu_vmstop_requested(RunState
*r
)
687 qemu_mutex_lock(&vmstop_lock
);
688 *r
= vmstop_requested
;
689 vmstop_requested
= RUN_STATE_MAX
;
690 qemu_mutex_unlock(&vmstop_lock
);
691 return *r
< RUN_STATE_MAX
;
694 void qemu_system_vmstop_request_prepare(void)
696 qemu_mutex_lock(&vmstop_lock
);
699 void qemu_system_vmstop_request(RunState state
)
701 vmstop_requested
= state
;
702 qemu_mutex_unlock(&vmstop_lock
);
710 qemu_vmstop_requested(&requested
);
711 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
715 /* Ensure that a STOP/RESUME pair of events is emitted if a
716 * vmstop request was pending. The BLOCK_IO_ERROR event, for
717 * example, according to documentation is always followed by
720 if (runstate_is_running()) {
721 qapi_event_send_stop(&error_abort
);
724 runstate_set(RUN_STATE_RUNNING
);
725 vm_state_notify(1, RUN_STATE_RUNNING
);
729 qapi_event_send_resume(&error_abort
);
733 /***********************************************************/
734 /* real time host monotonic timer */
736 static time_t qemu_time(void)
738 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
741 /***********************************************************/
742 /* host time/date access */
743 void qemu_get_timedate(struct tm
*tm
, int offset
)
745 time_t ti
= qemu_time();
748 if (rtc_date_offset
== -1) {
752 localtime_r(&ti
, tm
);
754 ti
-= rtc_date_offset
;
759 int qemu_timedate_diff(struct tm
*tm
)
763 if (rtc_date_offset
== -1)
765 seconds
= mktimegm(tm
);
768 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
769 seconds
= mktime(&tmp
);
772 seconds
= mktimegm(tm
) + rtc_date_offset
;
774 return seconds
- qemu_time();
777 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
779 time_t rtc_start_date
;
782 if (!strcmp(startdate
, "now") && legacy
) {
783 rtc_date_offset
= -1;
785 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
793 } else if (sscanf(startdate
, "%d-%d-%d",
805 rtc_start_date
= mktimegm(&tm
);
806 if (rtc_start_date
== -1) {
808 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
809 "'2006-06-17T16:01:21' or '2006-06-17'\n");
812 rtc_date_offset
= qemu_time() - rtc_start_date
;
816 static void configure_rtc(QemuOpts
*opts
)
820 value
= qemu_opt_get(opts
, "base");
822 if (!strcmp(value
, "utc")) {
824 } else if (!strcmp(value
, "localtime")) {
827 configure_rtc_date_offset(value
, 0);
830 value
= qemu_opt_get(opts
, "clock");
832 if (!strcmp(value
, "host")) {
833 rtc_clock
= QEMU_CLOCK_HOST
;
834 } else if (!strcmp(value
, "rt")) {
835 rtc_clock
= QEMU_CLOCK_REALTIME
;
836 } else if (!strcmp(value
, "vm")) {
837 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
839 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
843 value
= qemu_opt_get(opts
, "driftfix");
845 if (!strcmp(value
, "slew")) {
846 static GlobalProperty slew_lost_ticks
[] = {
848 .driver
= "mc146818rtc",
849 .property
= "lost_tick_policy",
852 { /* end of list */ }
855 qdev_prop_register_global_list(slew_lost_ticks
);
856 } else if (!strcmp(value
, "none")) {
857 /* discard is default */
859 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
865 /***********************************************************/
866 /* Bluetooth support */
869 static struct HCIInfo
*hci_table
[MAX_NICS
];
871 struct HCIInfo
*qemu_next_hci(void)
873 if (cur_hci
== nb_hcis
)
876 return hci_table
[cur_hci
++];
879 static int bt_hci_parse(const char *str
)
884 if (nb_hcis
>= MAX_NICS
) {
885 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
898 bdaddr
.b
[5] = 0x56 + nb_hcis
;
899 hci
->bdaddr_set(hci
, bdaddr
.b
);
901 hci_table
[nb_hcis
++] = hci
;
906 static void bt_vhci_add(int vlan_id
)
908 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
911 fprintf(stderr
, "qemu: warning: adding a VHCI to "
912 "an empty scatternet %i\n", vlan_id
);
914 bt_vhci_init(bt_new_hci(vlan
));
917 static struct bt_device_s
*bt_device_add(const char *opt
)
919 struct bt_scatternet_s
*vlan
;
921 char *endp
= strstr(opt
, ",vlan=");
922 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
925 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
928 vlan_id
= strtol(endp
+ 6, &endp
, 0);
930 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
935 vlan
= qemu_find_bt_vlan(vlan_id
);
938 fprintf(stderr
, "qemu: warning: adding a slave device to "
939 "an empty scatternet %i\n", vlan_id
);
941 if (!strcmp(devname
, "keyboard"))
942 return bt_keyboard_init(vlan
);
944 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
948 static int bt_parse(const char *opt
)
950 const char *endp
, *p
;
953 if (strstart(opt
, "hci", &endp
)) {
954 if (!*endp
|| *endp
== ',') {
956 if (!strstart(endp
, ",vlan=", 0))
959 return bt_hci_parse(opt
);
961 } else if (strstart(opt
, "vhci", &endp
)) {
962 if (!*endp
|| *endp
== ',') {
964 if (strstart(endp
, ",vlan=", &p
)) {
965 vlan
= strtol(p
, (char **) &endp
, 0);
967 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
971 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
980 } else if (strstart(opt
, "device:", &endp
))
981 return !bt_device_add(endp
);
983 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
987 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
989 /* FIXME: change this to true for 1.3 */
990 if (qemu_opt_get_bool(opts
, "enable", false)) {
991 #ifdef CONFIG_SECCOMP
992 if (seccomp_start() < 0) {
993 error_report("failed to install seccomp syscall filter "
998 error_report("sandboxing request but seccomp is not compiled "
1007 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1009 const char *proc_name
;
1011 if (qemu_opt_get(opts
, "debug-threads")) {
1012 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1014 qemu_name
= qemu_opt_get(opts
, "guest");
1016 proc_name
= qemu_opt_get(opts
, "process");
1018 os_set_proc_name(proc_name
);
1024 bool defaults_enabled(void)
1026 return has_defaults
;
1029 bool usb_enabled(void)
1031 return machine_usb(current_machine
);
1035 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1037 int fd
, dupfd
, flags
;
1039 const char *fd_opaque
= NULL
;
1042 fd
= qemu_opt_get_number(opts
, "fd", -1);
1043 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1044 fd_opaque
= qemu_opt_get(opts
, "opaque");
1047 error_report("fd option is required and must be non-negative");
1051 if (fd
<= STDERR_FILENO
) {
1052 error_report("fd cannot be a standard I/O stream");
1057 * All fds inherited across exec() necessarily have FD_CLOEXEC
1058 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1060 flags
= fcntl(fd
, F_GETFD
);
1061 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1062 error_report("fd is not valid or already in use");
1067 error_report("set option is required and must be non-negative");
1071 #ifdef F_DUPFD_CLOEXEC
1072 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1076 qemu_set_cloexec(dupfd
);
1080 error_report("Error duplicating fd: %s", strerror(errno
));
1084 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1085 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1092 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1096 fd
= qemu_opt_get_number(opts
, "fd", -1);
1103 /***********************************************************/
1104 /* QEMU Block devices */
1106 #define HD_OPTS "media=disk"
1107 #define CDROM_OPTS "media=cdrom"
1109 #define PFLASH_OPTS ""
1113 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1115 BlockInterfaceType
*block_default_type
= opaque
;
1117 return drive_new(opts
, *block_default_type
) == NULL
;
1120 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1122 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1123 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1128 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1129 int index
, const char *optstr
)
1134 if (!enable
|| drive_get_by_index(type
, index
)) {
1138 opts
= drive_add(type
, index
, NULL
, optstr
);
1140 drive_enable_snapshot(NULL
, opts
, NULL
);
1143 dinfo
= drive_new(opts
, type
);
1147 dinfo
->is_default
= true;
1151 static QemuOptsList qemu_smp_opts
= {
1153 .implied_opt_name
= "cpus",
1154 .merge_lists
= true,
1155 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1159 .type
= QEMU_OPT_NUMBER
,
1162 .type
= QEMU_OPT_NUMBER
,
1165 .type
= QEMU_OPT_NUMBER
,
1168 .type
= QEMU_OPT_NUMBER
,
1171 .type
= QEMU_OPT_NUMBER
,
1173 { /*End of list */ }
1177 static void smp_parse(QemuOpts
*opts
)
1181 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1182 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1183 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1184 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1186 /* compute missing values, prefer sockets over cores over threads */
1187 if (cpus
== 0 || sockets
== 0) {
1188 sockets
= sockets
> 0 ? sockets
: 1;
1189 cores
= cores
> 0 ? cores
: 1;
1190 threads
= threads
> 0 ? threads
: 1;
1192 cpus
= cores
* threads
* sockets
;
1194 } else if (cores
== 0) {
1195 threads
= threads
> 0 ? threads
: 1;
1196 cores
= cpus
/ (sockets
* threads
);
1197 } else if (threads
== 0) {
1198 threads
= cpus
/ (cores
* sockets
);
1199 } else if (sockets
* cores
* threads
< cpus
) {
1200 fprintf(stderr
, "cpu topology: error: "
1201 "sockets (%u) * cores (%u) * threads (%u) < "
1203 sockets
, cores
, threads
, cpus
);
1207 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1210 smp_cores
= cores
> 0 ? cores
: 1;
1211 smp_threads
= threads
> 0 ? threads
: 1;
1215 if (max_cpus
== 0) {
1216 max_cpus
= smp_cpus
;
1219 if (max_cpus
> MAX_CPUMASK_BITS
) {
1220 fprintf(stderr
, "Unsupported number of maxcpus\n");
1223 if (max_cpus
< smp_cpus
) {
1224 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1230 static void realtime_init(void)
1233 if (os_mlock() < 0) {
1234 fprintf(stderr
, "qemu: locking memory failed\n");
1241 static void configure_msg(QemuOpts
*opts
)
1243 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1246 /***********************************************************/
1249 typedef struct SemihostingConfig
{
1251 SemihostingTarget target
;
1254 const char *cmdline
; /* concatenated argv */
1255 } SemihostingConfig
;
1257 static SemihostingConfig semihosting
;
1259 bool semihosting_enabled(void)
1261 return semihosting
.enabled
;
1264 SemihostingTarget
semihosting_get_target(void)
1266 return semihosting
.target
;
1269 const char *semihosting_get_arg(int i
)
1271 if (i
>= semihosting
.argc
) {
1274 return semihosting
.argv
[i
];
1277 int semihosting_get_argc(void)
1279 return semihosting
.argc
;
1282 const char *semihosting_get_cmdline(void)
1284 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1285 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1287 return semihosting
.cmdline
;
1290 static int add_semihosting_arg(void *opaque
,
1291 const char *name
, const char *val
,
1294 SemihostingConfig
*s
= opaque
;
1295 if (strcmp(name
, "arg") == 0) {
1297 /* one extra element as g_strjoinv() expects NULL-terminated array */
1298 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1299 s
->argv
[s
->argc
- 1] = val
;
1300 s
->argv
[s
->argc
] = NULL
;
1305 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1306 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1311 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1313 /* split -append and initialize argv[1..n] */
1314 cmd_token
= strtok(g_strdup(cmd
), " ");
1316 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1317 cmd_token
= strtok(NULL
, " ");
1321 /***********************************************************/
1324 static int usb_device_add(const char *devname
)
1326 USBDevice
*dev
= NULL
;
1327 #ifndef CONFIG_LINUX
1331 if (!usb_enabled()) {
1335 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1336 dev
= usbdevice_create(devname
);
1340 /* the other ones */
1341 #ifndef CONFIG_LINUX
1342 /* only the linux version is qdev-ified, usb-bsd still needs this */
1343 if (strstart(devname
, "host:", &p
)) {
1344 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1354 static int usb_device_del(const char *devname
)
1359 if (strstart(devname
, "host:", &p
)) {
1363 if (!usb_enabled()) {
1367 p
= strchr(devname
, '.');
1370 bus_num
= strtoul(devname
, NULL
, 0);
1371 addr
= strtoul(p
+ 1, NULL
, 0);
1373 return usb_device_delete_addr(bus_num
, addr
);
1376 static int usb_parse(const char *cmdline
)
1379 r
= usb_device_add(cmdline
);
1381 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1386 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1388 const char *devname
= qdict_get_str(qdict
, "devname");
1389 if (usb_device_add(devname
) < 0) {
1390 error_report("could not add USB device '%s'", devname
);
1394 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1396 const char *devname
= qdict_get_str(qdict
, "devname");
1397 if (usb_device_del(devname
) < 0) {
1398 error_report("could not delete USB device '%s'", devname
);
1402 /***********************************************************/
1403 /* machine registration */
1405 MachineState
*current_machine
;
1408 * Transitional class registration/init used for converting from
1409 * legacy QEMUMachine to MachineClass.
1411 static void qemu_machine_class_init(ObjectClass
*oc
, void *data
)
1413 MachineClass
*mc
= MACHINE_CLASS(oc
);
1414 QEMUMachine
*qm
= data
;
1415 mc
->name
= qm
->name
;
1416 mc
->desc
= qm
->desc
;
1417 mc
->init
= qm
->init
;
1418 mc
->kvm_type
= qm
->kvm_type
;
1419 mc
->block_default_type
= qm
->block_default_type
;
1420 mc
->max_cpus
= qm
->max_cpus
;
1421 mc
->no_sdcard
= qm
->no_sdcard
;
1422 mc
->has_dynamic_sysbus
= qm
->has_dynamic_sysbus
;
1423 mc
->is_default
= qm
->is_default
;
1424 mc
->default_machine_opts
= qm
->default_machine_opts
;
1425 mc
->default_boot_order
= qm
->default_boot_order
;
1428 int qemu_register_machine(QEMUMachine
*m
)
1430 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1433 .parent
= TYPE_MACHINE
,
1434 .class_init
= qemu_machine_class_init
,
1435 .class_data
= (void *)m
,
1444 static MachineClass
*find_machine(const char *name
)
1446 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1447 MachineClass
*mc
= NULL
;
1449 for (el
= machines
; el
; el
= el
->next
) {
1450 MachineClass
*temp
= el
->data
;
1452 if (!strcmp(temp
->name
, name
)) {
1457 !strcmp(temp
->alias
, name
)) {
1463 g_slist_free(machines
);
1467 MachineClass
*find_default_machine(void)
1469 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1470 MachineClass
*mc
= NULL
;
1472 for (el
= machines
; el
; el
= el
->next
) {
1473 MachineClass
*temp
= el
->data
;
1475 if (temp
->is_default
) {
1481 g_slist_free(machines
);
1485 MachineInfoList
*qmp_query_machines(Error
**errp
)
1487 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1488 MachineInfoList
*mach_list
= NULL
;
1490 for (el
= machines
; el
; el
= el
->next
) {
1491 MachineClass
*mc
= el
->data
;
1492 MachineInfoList
*entry
;
1495 info
= g_malloc0(sizeof(*info
));
1496 if (mc
->is_default
) {
1497 info
->has_is_default
= true;
1498 info
->is_default
= true;
1502 info
->has_alias
= true;
1503 info
->alias
= g_strdup(mc
->alias
);
1506 info
->name
= g_strdup(mc
->name
);
1507 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1509 entry
= g_malloc0(sizeof(*entry
));
1510 entry
->value
= info
;
1511 entry
->next
= mach_list
;
1515 g_slist_free(machines
);
1519 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1521 ObjectProperty
*prop
;
1523 if (!qemu_opt_has_help_opt(opts
)) {
1527 QTAILQ_FOREACH(prop
, &OBJECT(machine
)->properties
, node
) {
1532 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1533 prop
->name
, prop
->type
);
1534 if (prop
->description
) {
1535 error_printf(" (%s)\n", prop
->description
);
1544 /***********************************************************/
1545 /* main execution loop */
1547 struct vm_change_state_entry
{
1548 VMChangeStateHandler
*cb
;
1550 QLIST_ENTRY (vm_change_state_entry
) entries
;
1553 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1555 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1558 VMChangeStateEntry
*e
;
1560 e
= g_malloc0(sizeof (*e
));
1564 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1568 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1570 QLIST_REMOVE (e
, entries
);
1574 void vm_state_notify(int running
, RunState state
)
1576 VMChangeStateEntry
*e
, *next
;
1578 trace_vm_state_notify(running
, state
);
1580 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1581 e
->cb(e
->opaque
, running
, state
);
1585 /* reset/shutdown handler */
1587 typedef struct QEMUResetEntry
{
1588 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1589 QEMUResetHandler
*func
;
1593 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1594 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1595 static int reset_requested
;
1596 static int shutdown_requested
, shutdown_signal
= -1;
1597 static pid_t shutdown_pid
;
1598 static int powerdown_requested
;
1599 static int debug_requested
;
1600 static int suspend_requested
;
1601 static WakeupReason wakeup_reason
;
1602 static NotifierList powerdown_notifiers
=
1603 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1604 static NotifierList suspend_notifiers
=
1605 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1606 static NotifierList wakeup_notifiers
=
1607 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1608 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1610 int qemu_shutdown_requested_get(void)
1612 return shutdown_requested
;
1615 int qemu_reset_requested_get(void)
1617 return reset_requested
;
1620 static int qemu_shutdown_requested(void)
1622 return atomic_xchg(&shutdown_requested
, 0);
1625 static void qemu_kill_report(void)
1627 if (!qtest_driver() && shutdown_signal
!= -1) {
1628 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1629 if (shutdown_pid
== 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1633 fputc('\n', stderr
);
1635 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1637 shutdown_signal
= -1;
1641 static int qemu_reset_requested(void)
1643 int r
= reset_requested
;
1644 reset_requested
= 0;
1648 static int qemu_suspend_requested(void)
1650 int r
= suspend_requested
;
1651 suspend_requested
= 0;
1655 static WakeupReason
qemu_wakeup_requested(void)
1657 return wakeup_reason
;
1660 static int qemu_powerdown_requested(void)
1662 int r
= powerdown_requested
;
1663 powerdown_requested
= 0;
1667 static int qemu_debug_requested(void)
1669 int r
= debug_requested
;
1670 debug_requested
= 0;
1674 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1676 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1679 re
->opaque
= opaque
;
1680 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1683 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1687 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1688 if (re
->func
== func
&& re
->opaque
== opaque
) {
1689 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1696 void qemu_devices_reset(void)
1698 QEMUResetEntry
*re
, *nre
;
1700 /* reset all devices */
1701 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1702 re
->func(re
->opaque
);
1706 void qemu_system_reset(bool report
)
1710 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1712 if (mc
&& mc
->reset
) {
1715 qemu_devices_reset();
1718 qapi_event_send_reset(&error_abort
);
1720 cpu_synchronize_all_post_reset();
1723 void qemu_system_reset_request(void)
1726 shutdown_requested
= 1;
1728 reset_requested
= 1;
1731 qemu_notify_event();
1734 static void qemu_system_suspend(void)
1737 notifier_list_notify(&suspend_notifiers
, NULL
);
1738 runstate_set(RUN_STATE_SUSPENDED
);
1739 qapi_event_send_suspend(&error_abort
);
1742 void qemu_system_suspend_request(void)
1744 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1747 suspend_requested
= 1;
1749 qemu_notify_event();
1752 void qemu_register_suspend_notifier(Notifier
*notifier
)
1754 notifier_list_add(&suspend_notifiers
, notifier
);
1757 void qemu_system_wakeup_request(WakeupReason reason
)
1759 trace_system_wakeup_request(reason
);
1761 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1764 if (!(wakeup_reason_mask
& (1 << reason
))) {
1767 runstate_set(RUN_STATE_RUNNING
);
1768 wakeup_reason
= reason
;
1769 qemu_notify_event();
1772 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1775 wakeup_reason_mask
|= (1 << reason
);
1777 wakeup_reason_mask
&= ~(1 << reason
);
1781 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1783 notifier_list_add(&wakeup_notifiers
, notifier
);
1786 void qemu_system_killed(int signal
, pid_t pid
)
1788 shutdown_signal
= signal
;
1791 qemu_system_shutdown_request();
1794 void qemu_system_shutdown_request(void)
1796 trace_qemu_system_shutdown_request();
1797 shutdown_requested
= 1;
1798 qemu_notify_event();
1801 static void qemu_system_powerdown(void)
1803 qapi_event_send_powerdown(&error_abort
);
1804 notifier_list_notify(&powerdown_notifiers
, NULL
);
1807 void qemu_system_powerdown_request(void)
1809 trace_qemu_system_powerdown_request();
1810 powerdown_requested
= 1;
1811 qemu_notify_event();
1814 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1816 notifier_list_add(&powerdown_notifiers
, notifier
);
1819 void qemu_system_debug_request(void)
1821 debug_requested
= 1;
1822 qemu_notify_event();
1825 static bool main_loop_should_exit(void)
1828 if (qemu_debug_requested()) {
1829 vm_stop(RUN_STATE_DEBUG
);
1831 if (qemu_suspend_requested()) {
1832 qemu_system_suspend();
1834 if (qemu_shutdown_requested()) {
1836 qapi_event_send_shutdown(&error_abort
);
1838 vm_stop(RUN_STATE_SHUTDOWN
);
1843 if (qemu_reset_requested()) {
1845 cpu_synchronize_all_states();
1846 qemu_system_reset(VMRESET_REPORT
);
1848 if (runstate_needs_reset()) {
1849 runstate_set(RUN_STATE_PAUSED
);
1852 if (qemu_wakeup_requested()) {
1854 cpu_synchronize_all_states();
1855 qemu_system_reset(VMRESET_SILENT
);
1856 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1857 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1859 qapi_event_send_wakeup(&error_abort
);
1861 if (qemu_powerdown_requested()) {
1862 qemu_system_powerdown();
1864 if (qemu_vmstop_requested(&r
)) {
1870 static void main_loop(void)
1874 #ifdef CONFIG_PROFILER
1878 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1879 #ifdef CONFIG_PROFILER
1880 ti
= profile_getclock();
1882 last_io
= main_loop_wait(nonblocking
);
1883 #ifdef CONFIG_PROFILER
1884 dev_time
+= profile_getclock() - ti
;
1886 } while (!main_loop_should_exit());
1889 static void version(void)
1891 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1894 static void help(int exitcode
)
1897 printf("usage: %s [options] [disk_image]\n\n"
1898 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1899 error_get_progname());
1901 #define QEMU_OPTIONS_GENERATE_HELP
1902 #include "qemu-options-wrapper.h"
1904 printf("\nDuring emulation, the following keys are useful:\n"
1905 "ctrl-alt-f toggle full screen\n"
1906 "ctrl-alt-n switch to virtual console 'n'\n"
1907 "ctrl-alt toggle mouse and keyboard grab\n"
1909 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1914 #define HAS_ARG 0x0001
1916 typedef struct QEMUOption
{
1923 static const QEMUOption qemu_options
[] = {
1924 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1925 #define QEMU_OPTIONS_GENERATE_OPTIONS
1926 #include "qemu-options-wrapper.h"
1930 static bool vga_available(void)
1932 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1935 static bool cirrus_vga_available(void)
1937 return object_class_by_name("cirrus-vga")
1938 || object_class_by_name("isa-cirrus-vga");
1941 static bool vmware_vga_available(void)
1943 return object_class_by_name("vmware-svga");
1946 static bool qxl_vga_available(void)
1948 return object_class_by_name("qxl-vga");
1951 static bool tcx_vga_available(void)
1953 return object_class_by_name("SUNW,tcx");
1956 static bool cg3_vga_available(void)
1958 return object_class_by_name("cgthree");
1961 static bool virtio_vga_available(void)
1963 return object_class_by_name("virtio-vga");
1966 static void select_vgahw (const char *p
)
1970 assert(vga_interface_type
== VGA_NONE
);
1971 if (strstart(p
, "std", &opts
)) {
1972 if (vga_available()) {
1973 vga_interface_type
= VGA_STD
;
1975 fprintf(stderr
, "Error: standard VGA not available\n");
1978 } else if (strstart(p
, "cirrus", &opts
)) {
1979 if (cirrus_vga_available()) {
1980 vga_interface_type
= VGA_CIRRUS
;
1982 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1985 } else if (strstart(p
, "vmware", &opts
)) {
1986 if (vmware_vga_available()) {
1987 vga_interface_type
= VGA_VMWARE
;
1989 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1992 } else if (strstart(p
, "virtio", &opts
)) {
1993 if (virtio_vga_available()) {
1994 vga_interface_type
= VGA_VIRTIO
;
1996 fprintf(stderr
, "Error: Virtio VGA not available\n");
1999 } else if (strstart(p
, "xenfb", &opts
)) {
2000 vga_interface_type
= VGA_XENFB
;
2001 } else if (strstart(p
, "qxl", &opts
)) {
2002 if (qxl_vga_available()) {
2003 vga_interface_type
= VGA_QXL
;
2005 fprintf(stderr
, "Error: QXL VGA not available\n");
2008 } else if (strstart(p
, "tcx", &opts
)) {
2009 if (tcx_vga_available()) {
2010 vga_interface_type
= VGA_TCX
;
2012 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2015 } else if (strstart(p
, "cg3", &opts
)) {
2016 if (cg3_vga_available()) {
2017 vga_interface_type
= VGA_CG3
;
2019 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2022 } else if (!strstart(p
, "none", &opts
)) {
2024 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2028 const char *nextopt
;
2030 if (strstart(opts
, ",retrace=", &nextopt
)) {
2032 if (strstart(opts
, "dumb", &nextopt
))
2033 vga_retrace_method
= VGA_RETRACE_DUMB
;
2034 else if (strstart(opts
, "precise", &nextopt
))
2035 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2036 else goto invalid_vga
;
2037 } else goto invalid_vga
;
2042 static DisplayType
select_display(const char *p
)
2046 DisplayType display
= DT_DEFAULT
;
2048 if (strstart(p
, "sdl", &opts
)) {
2052 const char *nextopt
;
2054 if (strstart(opts
, ",frame=", &nextopt
)) {
2056 if (strstart(opts
, "on", &nextopt
)) {
2058 } else if (strstart(opts
, "off", &nextopt
)) {
2061 goto invalid_sdl_args
;
2063 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2065 if (strstart(opts
, "on", &nextopt
)) {
2067 } else if (strstart(opts
, "off", &nextopt
)) {
2070 goto invalid_sdl_args
;
2072 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2074 if (strstart(opts
, "on", &nextopt
)) {
2076 } else if (strstart(opts
, "off", &nextopt
)) {
2079 goto invalid_sdl_args
;
2081 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2083 if (strstart(opts
, "on", &nextopt
)) {
2085 } else if (strstart(opts
, "off", &nextopt
)) {
2088 goto invalid_sdl_args
;
2090 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2092 if (strstart(opts
, "on", &nextopt
)) {
2094 } else if (strstart(opts
, "off", &nextopt
)) {
2097 goto invalid_sdl_args
;
2101 error_report("Invalid SDL option string");
2107 error_report("SDL support is disabled");
2110 } else if (strstart(p
, "vnc", &opts
)) {
2113 if (vnc_parse(opts
+ 1, &err
) == NULL
) {
2114 error_report_err(err
);
2118 error_report("VNC requires a display argument vnc=<display>");
2122 error_report("VNC support is disabled");
2125 } else if (strstart(p
, "curses", &opts
)) {
2126 #ifdef CONFIG_CURSES
2127 display
= DT_CURSES
;
2129 error_report("Curses support is disabled");
2132 } else if (strstart(p
, "gtk", &opts
)) {
2136 const char *nextopt
;
2138 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2140 if (strstart(opts
, "on", &nextopt
)) {
2141 grab_on_hover
= true;
2142 } else if (strstart(opts
, "off", &nextopt
)) {
2143 grab_on_hover
= false;
2145 goto invalid_gtk_args
;
2147 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2149 if (strstart(opts
, "on", &nextopt
)) {
2151 } else if (strstart(opts
, "off", &nextopt
)) {
2154 goto invalid_gtk_args
;
2158 error_report("Invalid GTK option string");
2164 error_report("GTK support is disabled");
2167 } else if (strstart(p
, "none", &opts
)) {
2170 error_report("Unknown display type");
2177 static int balloon_parse(const char *arg
)
2181 if (strcmp(arg
, "none") == 0) {
2185 if (!strncmp(arg
, "virtio", 6)) {
2186 if (arg
[6] == ',') {
2187 /* have params -> parse them */
2188 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2193 /* create empty opts */
2194 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2197 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2204 char *qemu_find_file(int type
, const char *name
)
2210 /* Try the name as a straight path first */
2211 if (access(name
, R_OK
) == 0) {
2212 trace_load_file(name
, name
);
2213 return g_strdup(name
);
2217 case QEMU_FILE_TYPE_BIOS
:
2220 case QEMU_FILE_TYPE_KEYMAP
:
2221 subdir
= "keymaps/";
2227 for (i
= 0; i
< data_dir_idx
; i
++) {
2228 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2229 if (access(buf
, R_OK
) == 0) {
2230 trace_load_file(name
, buf
);
2238 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2242 const char *name
, *file
;
2244 if (opaque
== NULL
) {
2245 error_report("fw_cfg device not available");
2248 name
= qemu_opt_get(opts
, "name");
2249 file
= qemu_opt_get(opts
, "file");
2250 if (name
== NULL
|| *name
== '\0' || file
== NULL
|| *file
== '\0') {
2251 error_report("invalid argument value");
2254 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2255 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2258 if (strncmp(name
, "opt/", 4) != 0) {
2259 error_report("WARNING: externally provided fw_cfg item names "
2260 "should be prefixed with \"opt/\"!");
2262 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2263 error_report("can't load %s", file
);
2266 fw_cfg_add_file((FWCfgState
*)opaque
, name
, buf
, size
);
2270 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2272 return qdev_device_help(opts
);
2275 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2280 dev
= qdev_device_add(opts
, &err
);
2282 error_report_err(err
);
2285 object_unref(OBJECT(dev
));
2289 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2291 Error
*local_err
= NULL
;
2293 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2295 error_report_err(local_err
);
2301 #ifdef CONFIG_VIRTFS
2302 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2305 ret
= qemu_fsdev_add(opts
);
2311 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2313 CharDriverState
*chr
;
2314 const char *chardev
;
2318 mode
= qemu_opt_get(opts
, "mode");
2322 if (strcmp(mode
, "readline") == 0) {
2323 flags
= MONITOR_USE_READLINE
;
2324 } else if (strcmp(mode
, "control") == 0) {
2325 flags
= MONITOR_USE_CONTROL
;
2327 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2331 if (qemu_opt_get_bool(opts
, "pretty", 0))
2332 flags
|= MONITOR_USE_PRETTY
;
2334 if (qemu_opt_get_bool(opts
, "default", 0))
2335 flags
|= MONITOR_IS_DEFAULT
;
2337 chardev
= qemu_opt_get(opts
, "chardev");
2338 chr
= qemu_chr_find(chardev
);
2340 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2344 qemu_chr_fe_claim_no_fail(chr
);
2345 monitor_init(chr
, flags
);
2349 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2351 static int monitor_device_index
= 0;
2352 Error
*local_err
= NULL
;
2358 if (strstart(optarg
, "chardev:", &p
)) {
2359 snprintf(label
, sizeof(label
), "%s", p
);
2361 snprintf(label
, sizeof(label
), "compat_monitor%d",
2362 monitor_device_index
);
2363 if (monitor_device_index
== 0) {
2366 opts
= qemu_chr_parse_compat(label
, optarg
);
2368 fprintf(stderr
, "parse error: %s\n", optarg
);
2373 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2375 error_report_err(local_err
);
2378 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2379 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2380 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2382 qemu_opt_set(opts
, "default", "on", &error_abort
);
2383 monitor_device_index
++;
2386 struct device_config
{
2388 DEV_USB
, /* -usbdevice */
2390 DEV_SERIAL
, /* -serial */
2391 DEV_PARALLEL
, /* -parallel */
2392 DEV_VIRTCON
, /* -virtioconsole */
2393 DEV_DEBUGCON
, /* -debugcon */
2394 DEV_GDB
, /* -gdb, -s */
2395 DEV_SCLP
, /* s390 sclp */
2397 const char *cmdline
;
2399 QTAILQ_ENTRY(device_config
) next
;
2402 static QTAILQ_HEAD(, device_config
) device_configs
=
2403 QTAILQ_HEAD_INITIALIZER(device_configs
);
2405 static void add_device_config(int type
, const char *cmdline
)
2407 struct device_config
*conf
;
2409 conf
= g_malloc0(sizeof(*conf
));
2411 conf
->cmdline
= cmdline
;
2412 loc_save(&conf
->loc
);
2413 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2416 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2418 struct device_config
*conf
;
2421 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2422 if (conf
->type
!= type
)
2424 loc_push_restore(&conf
->loc
);
2425 rc
= func(conf
->cmdline
);
2426 loc_pop(&conf
->loc
);
2434 static int serial_parse(const char *devname
)
2436 static int index
= 0;
2439 if (strcmp(devname
, "none") == 0)
2441 if (index
== MAX_SERIAL_PORTS
) {
2442 fprintf(stderr
, "qemu: too many serial ports\n");
2445 snprintf(label
, sizeof(label
), "serial%d", index
);
2446 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2447 if (!serial_hds
[index
]) {
2448 fprintf(stderr
, "qemu: could not connect serial device"
2449 " to character backend '%s'\n", devname
);
2456 static int parallel_parse(const char *devname
)
2458 static int index
= 0;
2461 if (strcmp(devname
, "none") == 0)
2463 if (index
== MAX_PARALLEL_PORTS
) {
2464 fprintf(stderr
, "qemu: too many parallel ports\n");
2467 snprintf(label
, sizeof(label
), "parallel%d", index
);
2468 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2469 if (!parallel_hds
[index
]) {
2470 fprintf(stderr
, "qemu: could not connect parallel device"
2471 " to character backend '%s'\n", devname
);
2478 static int virtcon_parse(const char *devname
)
2480 QemuOptsList
*device
= qemu_find_opts("device");
2481 static int index
= 0;
2483 QemuOpts
*bus_opts
, *dev_opts
;
2485 if (strcmp(devname
, "none") == 0)
2487 if (index
== MAX_VIRTIO_CONSOLES
) {
2488 fprintf(stderr
, "qemu: too many virtio consoles\n");
2492 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2493 if (arch_type
== QEMU_ARCH_S390X
) {
2494 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390", &error_abort
);
2496 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci", &error_abort
);
2499 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2500 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2502 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2503 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2504 if (!virtcon_hds
[index
]) {
2505 fprintf(stderr
, "qemu: could not connect virtio console"
2506 " to character backend '%s'\n", devname
);
2509 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2515 static int sclp_parse(const char *devname
)
2517 QemuOptsList
*device
= qemu_find_opts("device");
2518 static int index
= 0;
2522 if (strcmp(devname
, "none") == 0) {
2525 if (index
== MAX_SCLP_CONSOLES
) {
2526 fprintf(stderr
, "qemu: too many sclp consoles\n");
2530 assert(arch_type
== QEMU_ARCH_S390X
);
2532 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2533 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2535 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2536 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2537 if (!sclp_hds
[index
]) {
2538 fprintf(stderr
, "qemu: could not connect sclp console"
2539 " to character backend '%s'\n", devname
);
2542 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2548 static int debugcon_parse(const char *devname
)
2552 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2555 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2557 fprintf(stderr
, "qemu: already have a debugcon device\n");
2560 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2561 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2565 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2567 const MachineClass
*mc1
= a
, *mc2
= b
;
2570 if (mc1
->family
== NULL
) {
2571 if (mc2
->family
== NULL
) {
2572 /* Compare standalone machine types against each other; they sort
2573 * in increasing order.
2575 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2576 object_class_get_name(OBJECT_CLASS(mc2
)));
2579 /* Standalone machine types sort after families. */
2583 if (mc2
->family
== NULL
) {
2584 /* Families sort before standalone machine types. */
2588 /* Families sort between each other alphabetically increasingly. */
2589 res
= strcmp(mc1
->family
, mc2
->family
);
2594 /* Within the same family, machine types sort in decreasing order. */
2595 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2596 object_class_get_name(OBJECT_CLASS(mc1
)));
2599 static MachineClass
*machine_parse(const char *name
)
2601 MachineClass
*mc
= NULL
;
2602 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2605 mc
= find_machine(name
);
2608 g_slist_free(machines
);
2611 if (name
&& !is_help_option(name
)) {
2612 error_report("Unsupported machine type");
2613 error_printf("Use -machine help to list supported machines!\n");
2615 printf("Supported machines are:\n");
2616 machines
= g_slist_sort(machines
, machine_class_cmp
);
2617 for (el
= machines
; el
; el
= el
->next
) {
2618 MachineClass
*mc
= el
->data
;
2620 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2622 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2623 mc
->is_default
? " (default)" : "");
2627 g_slist_free(machines
);
2628 exit(!name
|| !is_help_option(name
));
2631 void qemu_add_exit_notifier(Notifier
*notify
)
2633 notifier_list_add(&exit_notifiers
, notify
);
2636 void qemu_remove_exit_notifier(Notifier
*notify
)
2638 notifier_remove(notify
);
2641 static void qemu_run_exit_notifiers(void)
2643 notifier_list_notify(&exit_notifiers
, NULL
);
2646 static bool machine_init_done
;
2648 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2650 notifier_list_add(&machine_init_done_notifiers
, notify
);
2651 if (machine_init_done
) {
2652 notify
->notify(notify
, NULL
);
2656 static void qemu_run_machine_init_done_notifiers(void)
2658 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2659 machine_init_done
= true;
2662 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2663 const char **poptarg
, int *poptind
)
2665 const QEMUOption
*popt
;
2666 int optind
= *poptind
;
2667 char *r
= argv
[optind
];
2670 loc_set_cmdline(argv
, optind
, 1);
2672 /* Treat --foo the same as -foo. */
2675 popt
= qemu_options
;
2678 error_report("invalid option");
2681 if (!strcmp(popt
->name
, r
+ 1))
2685 if (popt
->flags
& HAS_ARG
) {
2686 if (optind
>= argc
) {
2687 error_report("requires an argument");
2690 optarg
= argv
[optind
++];
2691 loc_set_cmdline(argv
, optind
- 2, 2);
2702 static gpointer
malloc_and_trace(gsize n_bytes
)
2704 void *ptr
= malloc(n_bytes
);
2705 trace_g_malloc(n_bytes
, ptr
);
2709 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2711 void *ptr
= realloc(mem
, n_bytes
);
2712 trace_g_realloc(mem
, n_bytes
, ptr
);
2716 static void free_and_trace(gpointer mem
)
2722 static int machine_set_property(void *opaque
,
2723 const char *name
, const char *value
,
2726 Object
*obj
= OBJECT(opaque
);
2727 Error
*local_err
= NULL
;
2730 if (strcmp(name
, "type") == 0) {
2734 qom_name
= g_strdup(name
);
2742 object_property_parse(obj
, value
, qom_name
, &local_err
);
2746 error_report_err(local_err
);
2755 * Initial object creation happens before all other
2756 * QEMU data types are created. The majority of objects
2757 * can be created at this point. The rng-egd object
2758 * cannot be created here, as it depends on the chardev
2761 static bool object_create_initial(const char *type
)
2763 if (g_str_equal(type
, "rng-egd")) {
2771 * The remainder of object creation happens after the
2772 * creation of chardev, fsdev and device data types.
2774 static bool object_create_delayed(const char *type
)
2776 return !object_create_initial(type
);
2780 static int object_create(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2788 bool (*type_predicate
)(const char *) = opaque
;
2790 ov
= opts_visitor_new(opts
);
2791 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2793 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2798 qdict_del(pdict
, "qom-type");
2799 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2803 if (!type_predicate(type
)) {
2807 qdict_del(pdict
, "id");
2808 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2813 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2817 visit_end_struct(opts_get_visitor(ov
), &err
);
2819 qmp_object_del(id
, NULL
);
2823 opts_visitor_cleanup(ov
);
2830 error_report_err(err
);
2836 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2840 const char *mem_str
;
2841 const char *maxmem_str
, *slots_str
;
2842 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2843 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2846 mem_str
= qemu_opt_get(opts
, "size");
2849 error_report("missing 'size' option value");
2853 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2855 /* Fix up legacy suffix-less format */
2856 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2857 uint64_t overflow_check
= sz
;
2860 if ((sz
>> 20) != overflow_check
) {
2861 error_report("too large 'size' option value");
2867 /* backward compatibility behaviour for case "-m 0" */
2869 sz
= default_ram_size
;
2872 sz
= QEMU_ALIGN_UP(sz
, 8192);
2874 if (ram_size
!= sz
) {
2875 error_report("ram size too large");
2879 /* store value for the future use */
2880 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2881 *maxram_size
= ram_size
;
2883 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2884 slots_str
= qemu_opt_get(opts
, "slots");
2885 if (maxmem_str
&& slots_str
) {
2888 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2889 slots
= qemu_opt_get_number(opts
, "slots", 0);
2890 if (sz
< ram_size
) {
2891 error_report("invalid value of -m option maxmem: "
2892 "maximum memory size (0x%" PRIx64
") must be at least "
2893 "the initial memory size (0x" RAM_ADDR_FMT
")",
2896 } else if (sz
> ram_size
) {
2898 error_report("invalid value of -m option: maxmem was "
2899 "specified, but no hotplug slots were specified");
2903 error_report("invalid value of -m option maxmem: "
2904 "memory slots were specified but maximum memory size "
2905 "(0x%" PRIx64
") is equal to the initial memory size "
2906 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2912 } else if ((!maxmem_str
&& slots_str
) ||
2913 (maxmem_str
&& !slots_str
)) {
2914 error_report("invalid -m option value: missing "
2915 "'%s' option", slots_str
? "maxmem" : "slots");
2920 int main(int argc
, char **argv
, char **envp
)
2923 int snapshot
, linux_boot
;
2924 const char *initrd_filename
;
2925 const char *kernel_filename
, *kernel_cmdline
;
2926 const char *boot_order
= NULL
;
2927 const char *boot_once
= NULL
;
2929 int cyls
, heads
, secs
, translation
;
2930 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2931 QemuOptsList
*olist
;
2934 const char *loadvm
= NULL
;
2935 MachineClass
*machine_class
;
2936 const char *cpu_model
;
2937 const char *vga_model
= NULL
;
2938 const char *qtest_chrdev
= NULL
;
2939 const char *qtest_log
= NULL
;
2940 const char *pid_file
= NULL
;
2941 const char *incoming
= NULL
;
2943 int show_vnc_port
= 0;
2945 bool defconfig
= true;
2946 bool userconfig
= true;
2947 const char *log_mask
= NULL
;
2948 const char *log_file
= NULL
;
2949 GMemVTable mem_trace
= {
2950 .malloc
= malloc_and_trace
,
2951 .realloc
= realloc_and_trace
,
2952 .free
= free_and_trace
,
2954 const char *trace_events
= NULL
;
2955 const char *trace_file
= NULL
;
2956 ram_addr_t maxram_size
;
2957 uint64_t ram_slots
= 0;
2958 FILE *vmstate_dump_file
= NULL
;
2959 Error
*main_loop_err
= NULL
;
2961 qemu_init_cpu_loop();
2962 qemu_mutex_lock_iothread();
2964 atexit(qemu_run_exit_notifiers
);
2965 error_set_progname(argv
[0]);
2966 qemu_init_exec_dir(argv
[0]);
2968 g_mem_set_vtable(&mem_trace
);
2970 module_call_init(MODULE_INIT_QOM
);
2972 qemu_add_opts(&qemu_drive_opts
);
2973 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2974 qemu_add_drive_opts(&qemu_common_drive_opts
);
2975 qemu_add_drive_opts(&qemu_drive_opts
);
2976 qemu_add_opts(&qemu_chardev_opts
);
2977 qemu_add_opts(&qemu_device_opts
);
2978 qemu_add_opts(&qemu_netdev_opts
);
2979 qemu_add_opts(&qemu_net_opts
);
2980 qemu_add_opts(&qemu_rtc_opts
);
2981 qemu_add_opts(&qemu_global_opts
);
2982 qemu_add_opts(&qemu_mon_opts
);
2983 qemu_add_opts(&qemu_trace_opts
);
2984 qemu_add_opts(&qemu_option_rom_opts
);
2985 qemu_add_opts(&qemu_machine_opts
);
2986 qemu_add_opts(&qemu_mem_opts
);
2987 qemu_add_opts(&qemu_smp_opts
);
2988 qemu_add_opts(&qemu_boot_opts
);
2989 qemu_add_opts(&qemu_sandbox_opts
);
2990 qemu_add_opts(&qemu_add_fd_opts
);
2991 qemu_add_opts(&qemu_object_opts
);
2992 qemu_add_opts(&qemu_tpmdev_opts
);
2993 qemu_add_opts(&qemu_realtime_opts
);
2994 qemu_add_opts(&qemu_msg_opts
);
2995 qemu_add_opts(&qemu_name_opts
);
2996 qemu_add_opts(&qemu_numa_opts
);
2997 qemu_add_opts(&qemu_icount_opts
);
2998 qemu_add_opts(&qemu_semihosting_config_opts
);
2999 qemu_add_opts(&qemu_fw_cfg_opts
);
3003 rtc_clock
= QEMU_CLOCK_HOST
;
3005 QLIST_INIT (&vm_change_state_head
);
3006 os_setup_early_signal_handling();
3008 module_call_init(MODULE_INIT_MACHINE
);
3009 machine_class
= find_default_machine();
3012 cyls
= heads
= secs
= 0;
3013 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3017 bdrv_init_with_whitelist();
3021 /* first pass of option parsing */
3023 while (optind
< argc
) {
3024 if (argv
[optind
][0] != '-') {
3028 const QEMUOption
*popt
;
3030 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3031 switch (popt
->index
) {
3032 case QEMU_OPTION_nodefconfig
:
3035 case QEMU_OPTION_nouserconfig
:
3044 ret
= qemu_read_default_config_files(userconfig
);
3050 /* second pass of option parsing */
3055 if (argv
[optind
][0] != '-') {
3056 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3058 const QEMUOption
*popt
;
3060 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3061 if (!(popt
->arch_mask
& arch_type
)) {
3062 printf("Option %s not supported for this target\n", popt
->name
);
3065 switch(popt
->index
) {
3066 case QEMU_OPTION_no_kvm_irqchip
: {
3067 olist
= qemu_find_opts("machine");
3068 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3071 case QEMU_OPTION_cpu
:
3072 /* hw initialization will check this */
3075 case QEMU_OPTION_hda
:
3079 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3081 snprintf(buf
, sizeof(buf
),
3082 "%s,cyls=%d,heads=%d,secs=%d%s",
3083 HD_OPTS
, cyls
, heads
, secs
,
3084 translation
== BIOS_ATA_TRANSLATION_LBA
?
3086 translation
== BIOS_ATA_TRANSLATION_NONE
?
3087 ",trans=none" : "");
3088 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3091 case QEMU_OPTION_hdb
:
3092 case QEMU_OPTION_hdc
:
3093 case QEMU_OPTION_hdd
:
3094 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3097 case QEMU_OPTION_drive
:
3098 if (drive_def(optarg
) == NULL
) {
3102 case QEMU_OPTION_set
:
3103 if (qemu_set_option(optarg
) != 0)
3106 case QEMU_OPTION_global
:
3107 if (qemu_global_option(optarg
) != 0)
3110 case QEMU_OPTION_mtdblock
:
3111 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3113 case QEMU_OPTION_sd
:
3114 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3116 case QEMU_OPTION_pflash
:
3117 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3119 case QEMU_OPTION_snapshot
:
3122 case QEMU_OPTION_hdachs
:
3126 cyls
= strtol(p
, (char **)&p
, 0);
3127 if (cyls
< 1 || cyls
> 16383)
3132 heads
= strtol(p
, (char **)&p
, 0);
3133 if (heads
< 1 || heads
> 16)
3138 secs
= strtol(p
, (char **)&p
, 0);
3139 if (secs
< 1 || secs
> 63)
3143 if (!strcmp(p
, "large")) {
3144 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3145 } else if (!strcmp(p
, "rechs")) {
3146 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3147 } else if (!strcmp(p
, "none")) {
3148 translation
= BIOS_ATA_TRANSLATION_NONE
;
3149 } else if (!strcmp(p
, "lba")) {
3150 translation
= BIOS_ATA_TRANSLATION_LBA
;
3151 } else if (!strcmp(p
, "auto")) {
3152 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3156 } else if (*p
!= '\0') {
3158 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3161 if (hda_opts
!= NULL
) {
3162 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3164 qemu_opt_set_number(hda_opts
, "heads", heads
,
3166 qemu_opt_set_number(hda_opts
, "secs", secs
,
3168 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3169 qemu_opt_set(hda_opts
, "trans", "large",
3171 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3172 qemu_opt_set(hda_opts
, "trans", "rechs",
3174 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3175 qemu_opt_set(hda_opts
, "trans", "lba",
3177 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3178 qemu_opt_set(hda_opts
, "trans", "none",
3184 case QEMU_OPTION_numa
:
3185 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3191 case QEMU_OPTION_display
:
3192 display_type
= select_display(optarg
);
3194 case QEMU_OPTION_nographic
:
3195 display_type
= DT_NOGRAPHIC
;
3197 case QEMU_OPTION_curses
:
3198 #ifdef CONFIG_CURSES
3199 display_type
= DT_CURSES
;
3201 fprintf(stderr
, "Curses support is disabled\n");
3205 case QEMU_OPTION_portrait
:
3206 graphic_rotate
= 90;
3208 case QEMU_OPTION_rotate
:
3209 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3210 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3211 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3213 "qemu: only 90, 180, 270 deg rotation is available\n");
3217 case QEMU_OPTION_kernel
:
3218 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3221 case QEMU_OPTION_initrd
:
3222 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3225 case QEMU_OPTION_append
:
3226 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3229 case QEMU_OPTION_dtb
:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3233 case QEMU_OPTION_cdrom
:
3234 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3236 case QEMU_OPTION_boot
:
3237 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3243 case QEMU_OPTION_fda
:
3244 case QEMU_OPTION_fdb
:
3245 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3248 case QEMU_OPTION_no_fd_bootchk
:
3251 case QEMU_OPTION_netdev
:
3252 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3256 case QEMU_OPTION_net
:
3257 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3261 #ifdef CONFIG_LIBISCSI
3262 case QEMU_OPTION_iscsi
:
3263 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3271 case QEMU_OPTION_tftp
:
3272 legacy_tftp_prefix
= optarg
;
3274 case QEMU_OPTION_bootp
:
3275 legacy_bootp_filename
= optarg
;
3277 case QEMU_OPTION_redir
:
3278 if (net_slirp_redir(optarg
) < 0)
3282 case QEMU_OPTION_bt
:
3283 add_device_config(DEV_BT
, optarg
);
3285 case QEMU_OPTION_audio_help
:
3289 case QEMU_OPTION_soundhw
:
3290 select_soundhw (optarg
);
3295 case QEMU_OPTION_version
:
3300 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3307 case QEMU_OPTION_tpmdev
:
3308 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3313 case QEMU_OPTION_mempath
:
3316 case QEMU_OPTION_mem_prealloc
:
3326 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3328 case QEMU_OPTION_gdb
:
3329 add_device_config(DEV_GDB
, optarg
);
3332 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3333 data_dir
[data_dir_idx
++] = optarg
;
3336 case QEMU_OPTION_bios
:
3337 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3340 case QEMU_OPTION_singlestep
:
3347 keyboard_layout
= optarg
;
3349 case QEMU_OPTION_localtime
:
3352 case QEMU_OPTION_vga
:
3361 w
= strtol(p
, (char **)&p
, 10);
3364 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3370 h
= strtol(p
, (char **)&p
, 10);
3375 depth
= strtol(p
, (char **)&p
, 10);
3376 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3377 depth
!= 24 && depth
!= 32)
3379 } else if (*p
== '\0') {
3380 depth
= graphic_depth
;
3387 graphic_depth
= depth
;
3390 case QEMU_OPTION_echr
:
3393 term_escape_char
= strtol(optarg
, &r
, 0);
3395 printf("Bad argument to echr\n");
3398 case QEMU_OPTION_monitor
:
3399 default_monitor
= 0;
3400 if (strncmp(optarg
, "none", 4)) {
3401 monitor_parse(optarg
, "readline", false);
3404 case QEMU_OPTION_qmp
:
3405 monitor_parse(optarg
, "control", false);
3406 default_monitor
= 0;
3408 case QEMU_OPTION_qmp_pretty
:
3409 monitor_parse(optarg
, "control", true);
3410 default_monitor
= 0;
3412 case QEMU_OPTION_mon
:
3413 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3418 default_monitor
= 0;
3420 case QEMU_OPTION_chardev
:
3421 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3427 case QEMU_OPTION_fsdev
:
3428 olist
= qemu_find_opts("fsdev");
3430 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3433 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3438 case QEMU_OPTION_virtfs
: {
3441 const char *writeout
, *sock_fd
, *socket
;
3443 olist
= qemu_find_opts("virtfs");
3445 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3448 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3453 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3454 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3455 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3458 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3459 qemu_opt_get(opts
, "mount_tag"),
3462 fprintf(stderr
, "duplicate fsdev id: %s\n",
3463 qemu_opt_get(opts
, "mount_tag"));
3467 writeout
= qemu_opt_get(opts
, "writeout");
3469 #ifdef CONFIG_SYNC_FILE_RANGE
3470 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3472 fprintf(stderr
, "writeout=immediate not supported on "
3477 qemu_opt_set(fsdev
, "fsdriver",
3478 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3479 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3481 qemu_opt_set(fsdev
, "security_model",
3482 qemu_opt_get(opts
, "security_model"),
3484 socket
= qemu_opt_get(opts
, "socket");
3486 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3488 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3490 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3493 qemu_opt_set_bool(fsdev
, "readonly",
3494 qemu_opt_get_bool(opts
, "readonly", 0),
3496 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3498 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3499 qemu_opt_set(device
, "fsdev",
3500 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3501 qemu_opt_set(device
, "mount_tag",
3502 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3505 case QEMU_OPTION_virtfs_synth
: {
3509 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3512 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3515 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3517 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3519 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3520 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3521 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3524 case QEMU_OPTION_serial
:
3525 add_device_config(DEV_SERIAL
, optarg
);
3527 if (strncmp(optarg
, "mon:", 4) == 0) {
3528 default_monitor
= 0;
3531 case QEMU_OPTION_watchdog
:
3534 "qemu: only one watchdog option may be given\n");
3539 case QEMU_OPTION_watchdog_action
:
3540 if (select_watchdog_action(optarg
) == -1) {
3541 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3545 case QEMU_OPTION_virtiocon
:
3546 add_device_config(DEV_VIRTCON
, optarg
);
3547 default_virtcon
= 0;
3548 if (strncmp(optarg
, "mon:", 4) == 0) {
3549 default_monitor
= 0;
3552 case QEMU_OPTION_parallel
:
3553 add_device_config(DEV_PARALLEL
, optarg
);
3554 default_parallel
= 0;
3555 if (strncmp(optarg
, "mon:", 4) == 0) {
3556 default_monitor
= 0;
3559 case QEMU_OPTION_debugcon
:
3560 add_device_config(DEV_DEBUGCON
, optarg
);
3562 case QEMU_OPTION_loadvm
:
3565 case QEMU_OPTION_full_screen
:
3568 case QEMU_OPTION_no_frame
:
3571 case QEMU_OPTION_alt_grab
:
3574 case QEMU_OPTION_ctrl_grab
:
3577 case QEMU_OPTION_no_quit
:
3580 case QEMU_OPTION_sdl
:
3582 display_type
= DT_SDL
;
3585 fprintf(stderr
, "SDL support is disabled\n");
3588 case QEMU_OPTION_pidfile
:
3591 case QEMU_OPTION_win2k_hack
:
3592 win2k_install_hack
= 1;
3594 case QEMU_OPTION_rtc_td_hack
: {
3595 static GlobalProperty slew_lost_ticks
[] = {
3597 .driver
= "mc146818rtc",
3598 .property
= "lost_tick_policy",
3601 { /* end of list */ }
3604 qdev_prop_register_global_list(slew_lost_ticks
);
3607 case QEMU_OPTION_acpitable
:
3608 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3613 do_acpitable_option(opts
);
3615 case QEMU_OPTION_smbios
:
3616 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3621 do_smbios_option(opts
);
3623 case QEMU_OPTION_fwcfg
:
3624 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3630 case QEMU_OPTION_enable_kvm
:
3631 olist
= qemu_find_opts("machine");
3632 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3635 case QEMU_OPTION_machine
:
3636 olist
= qemu_find_opts("machine");
3637 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3642 case QEMU_OPTION_no_kvm
:
3643 olist
= qemu_find_opts("machine");
3644 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3646 case QEMU_OPTION_no_kvm_pit
: {
3647 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3651 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3652 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3654 .driver
= "kvm-pit",
3655 .property
= "lost_tick_policy",
3658 { /* end of list */ }
3661 fprintf(stderr
, "Warning: option deprecated, use "
3662 "lost_tick_policy property of kvm-pit instead.\n");
3663 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3666 case QEMU_OPTION_usb
:
3667 olist
= qemu_find_opts("machine");
3668 qemu_opts_parse_noisily(olist
, "usb=on", false);
3670 case QEMU_OPTION_usbdevice
:
3671 olist
= qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist
, "usb=on", false);
3673 add_device_config(DEV_USB
, optarg
);
3675 case QEMU_OPTION_device
:
3676 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3681 case QEMU_OPTION_smp
:
3682 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3687 case QEMU_OPTION_vnc
:
3690 Error
*local_err
= NULL
;
3692 if (vnc_parse(optarg
, &local_err
) == NULL
) {
3693 error_report_err(local_err
);
3697 fprintf(stderr
, "VNC support is disabled\n");
3702 case QEMU_OPTION_no_acpi
:
3705 case QEMU_OPTION_no_hpet
:
3708 case QEMU_OPTION_balloon
:
3709 if (balloon_parse(optarg
) < 0) {
3710 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3714 case QEMU_OPTION_no_reboot
:
3717 case QEMU_OPTION_no_shutdown
:
3720 case QEMU_OPTION_show_cursor
:
3723 case QEMU_OPTION_uuid
:
3724 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3725 fprintf(stderr
, "Fail to parse UUID string."
3726 " Wrong format.\n");
3729 qemu_uuid_set
= true;
3731 case QEMU_OPTION_option_rom
:
3732 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3733 fprintf(stderr
, "Too many option ROMs\n");
3736 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3741 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3742 option_rom
[nb_option_roms
].bootindex
=
3743 qemu_opt_get_number(opts
, "bootindex", -1);
3744 if (!option_rom
[nb_option_roms
].name
) {
3745 fprintf(stderr
, "Option ROM file is not specified\n");
3750 case QEMU_OPTION_semihosting
:
3751 semihosting
.enabled
= true;
3752 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3754 case QEMU_OPTION_semihosting_config
:
3755 semihosting
.enabled
= true;
3756 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3759 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3761 const char *target
= qemu_opt_get(opts
, "target");
3762 if (target
!= NULL
) {
3763 if (strcmp("native", target
) == 0) {
3764 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3765 } else if (strcmp("gdb", target
) == 0) {
3766 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3767 } else if (strcmp("auto", target
) == 0) {
3768 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3770 fprintf(stderr
, "Unsupported semihosting-config"
3776 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3778 /* Set semihosting argument count and vector */
3779 qemu_opt_foreach(opts
, add_semihosting_arg
,
3780 &semihosting
, NULL
);
3782 fprintf(stderr
, "Unsupported semihosting-config %s\n",
3787 case QEMU_OPTION_tdf
:
3788 fprintf(stderr
, "Warning: user space PIT time drift fix "
3789 "is no longer supported.\n");
3791 case QEMU_OPTION_name
:
3792 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3798 case QEMU_OPTION_prom_env
:
3799 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3800 fprintf(stderr
, "Too many prom variables\n");
3803 prom_envs
[nb_prom_envs
] = optarg
;
3806 case QEMU_OPTION_old_param
:
3809 case QEMU_OPTION_clock
:
3810 /* Clock options no longer exist. Keep this option for
3811 * backward compatibility.
3814 case QEMU_OPTION_startdate
:
3815 configure_rtc_date_offset(optarg
, 1);
3817 case QEMU_OPTION_rtc
:
3818 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3823 configure_rtc(opts
);
3825 case QEMU_OPTION_tb_size
:
3826 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3827 if (tcg_tb_size
< 0) {
3831 case QEMU_OPTION_icount
:
3832 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3838 case QEMU_OPTION_incoming
:
3840 runstate_set(RUN_STATE_INMIGRATE
);
3844 case QEMU_OPTION_nodefaults
:
3847 case QEMU_OPTION_xen_domid
:
3848 if (!(xen_available())) {
3849 printf("Option %s not supported for this target\n", popt
->name
);
3852 xen_domid
= atoi(optarg
);
3854 case QEMU_OPTION_xen_create
:
3855 if (!(xen_available())) {
3856 printf("Option %s not supported for this target\n", popt
->name
);
3859 xen_mode
= XEN_CREATE
;
3861 case QEMU_OPTION_xen_attach
:
3862 if (!(xen_available())) {
3863 printf("Option %s not supported for this target\n", popt
->name
);
3866 xen_mode
= XEN_ATTACH
;
3868 case QEMU_OPTION_trace
:
3870 opts
= qemu_opts_parse_noisily(qemu_find_opts("trace"),
3875 trace_events
= qemu_opt_get(opts
, "events");
3876 trace_file
= qemu_opt_get(opts
, "file");
3879 case QEMU_OPTION_readconfig
:
3881 int ret
= qemu_read_config_file(optarg
);
3883 fprintf(stderr
, "read config %s: %s\n", optarg
,
3889 case QEMU_OPTION_spice
:
3890 olist
= qemu_find_opts("spice");
3892 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3895 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3901 case QEMU_OPTION_writeconfig
:
3904 if (strcmp(optarg
, "-") == 0) {
3907 fp
= fopen(optarg
, "w");
3909 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3913 qemu_config_write(fp
);
3919 case QEMU_OPTION_qtest
:
3920 qtest_chrdev
= optarg
;
3922 case QEMU_OPTION_qtest_log
:
3925 case QEMU_OPTION_sandbox
:
3926 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3932 case QEMU_OPTION_add_fd
:
3934 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3940 error_report("File descriptor passing is disabled on this "
3945 case QEMU_OPTION_object
:
3946 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3952 case QEMU_OPTION_realtime
:
3953 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3958 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3960 case QEMU_OPTION_msg
:
3961 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3966 configure_msg(opts
);
3968 case QEMU_OPTION_dump_vmstate
:
3969 if (vmstate_dump_file
) {
3970 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3971 "option may be given\n");
3974 vmstate_dump_file
= fopen(optarg
, "w");
3975 if (vmstate_dump_file
== NULL
) {
3976 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3981 os_parse_cmd_args(popt
->index
, optarg
);
3986 opts
= qemu_get_machine_opts();
3987 optarg
= qemu_opt_get(opts
, "type");
3989 machine_class
= machine_parse(optarg
);
3992 if (machine_class
== NULL
) {
3993 fprintf(stderr
, "No machine specified, and there is no default.\n"
3994 "Use -machine help to list supported machines!\n");
3998 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4004 if (qemu_init_main_loop(&main_loop_err
)) {
4005 error_report_err(main_loop_err
);
4009 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4010 parse_sandbox
, NULL
, NULL
)) {
4014 if (qemu_opts_foreach(qemu_find_opts("name"),
4015 parse_name
, NULL
, NULL
)) {
4020 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4021 parse_add_fd
, NULL
, NULL
)) {
4025 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 cleanup_add_fd
, NULL
, NULL
)) {
4031 current_machine
= MACHINE(object_new(object_class_get_name(
4032 OBJECT_CLASS(machine_class
))));
4033 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4036 object_property_add_child(object_get_root(), "machine",
4037 OBJECT(current_machine
), &error_abort
);
4038 cpu_exec_init_all();
4040 if (machine_class
->hw_version
) {
4041 qemu_set_version(machine_class
->hw_version
);
4044 /* Init CPU def lists, based on config
4045 * - Must be called after all the qemu_read_config_file() calls
4046 * - Must be called before list_cpus()
4047 * - Must be called before machine->init()
4051 if (cpu_model
&& is_help_option(cpu_model
)) {
4052 list_cpus(stdout
, &fprintf
, cpu_model
);
4056 /* Open the logfile at this point and set the log mask if necessary.
4059 qemu_set_log_filename(log_file
);
4064 mask
= qemu_str_to_log_mask(log_mask
);
4066 qemu_print_log_usage(stdout
);
4072 if (!is_daemonized()) {
4073 if (!trace_init_backends(trace_events
, trace_file
)) {
4078 /* If no data_dir is specified then try to find it relative to the
4080 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4081 data_dir
[data_dir_idx
] = os_find_datadir();
4082 if (data_dir
[data_dir_idx
] != NULL
) {
4086 /* If all else fails use the install path specified when building. */
4087 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4088 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4091 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4093 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4094 if (max_cpus
> machine_class
->max_cpus
) {
4095 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4096 "supported by machine `%s' (%d)\n", max_cpus
,
4097 machine_class
->name
, machine_class
->max_cpus
);
4102 * Get the default machine options from the machine if it is not already
4103 * specified either by the configuration file or by the command line.
4105 if (machine_class
->default_machine_opts
) {
4106 qemu_opts_set_defaults(qemu_find_opts("machine"),
4107 machine_class
->default_machine_opts
, 0);
4110 qemu_opts_foreach(qemu_find_opts("device"),
4111 default_driver_check
, NULL
, NULL
);
4112 qemu_opts_foreach(qemu_find_opts("global"),
4113 default_driver_check
, NULL
, NULL
);
4115 if (!vga_model
&& !default_vga
) {
4116 vga_interface_type
= VGA_DEVICE
;
4118 if (!has_defaults
|| machine_class
->no_serial
) {
4121 if (!has_defaults
|| machine_class
->no_parallel
) {
4122 default_parallel
= 0;
4124 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4125 default_virtcon
= 0;
4127 if (!has_defaults
|| !machine_class
->use_sclp
) {
4130 if (!has_defaults
|| machine_class
->no_floppy
) {
4133 if (!has_defaults
|| machine_class
->no_cdrom
) {
4136 if (!has_defaults
|| machine_class
->no_sdcard
) {
4139 if (!has_defaults
) {
4140 default_monitor
= 0;
4145 if (is_daemonized()) {
4146 /* According to documentation and historically, -nographic redirects
4147 * serial port, parallel port and monitor to stdio, which does not work
4148 * with -daemonize. We can redirect these to null instead, but since
4149 * -nographic is legacy, let's just error out.
4150 * We disallow -nographic only if all other ports are not redirected
4151 * explicitly, to not break existing legacy setups which uses
4152 * -nographic _and_ redirects all ports explicitly - this is valid
4153 * usage, -nographic is just a no-op in this case.
4155 if (display_type
== DT_NOGRAPHIC
4156 && (default_parallel
|| default_serial
4157 || default_monitor
|| default_virtcon
)) {
4158 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4161 #ifdef CONFIG_CURSES
4162 if (display_type
== DT_CURSES
) {
4163 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4169 if (display_type
== DT_NOGRAPHIC
) {
4170 if (default_parallel
)
4171 add_device_config(DEV_PARALLEL
, "null");
4172 if (default_serial
&& default_monitor
) {
4173 add_device_config(DEV_SERIAL
, "mon:stdio");
4174 } else if (default_virtcon
&& default_monitor
) {
4175 add_device_config(DEV_VIRTCON
, "mon:stdio");
4176 } else if (default_sclp
&& default_monitor
) {
4177 add_device_config(DEV_SCLP
, "mon:stdio");
4180 add_device_config(DEV_SERIAL
, "stdio");
4181 if (default_virtcon
)
4182 add_device_config(DEV_VIRTCON
, "stdio");
4184 add_device_config(DEV_SCLP
, "stdio");
4186 if (default_monitor
)
4187 monitor_parse("stdio", "readline", false);
4191 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4192 if (default_parallel
)
4193 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4194 if (default_monitor
)
4195 monitor_parse("vc:80Cx24C", "readline", false);
4196 if (default_virtcon
)
4197 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4199 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4203 #if defined(CONFIG_VNC)
4204 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4208 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4209 #if defined(CONFIG_GTK)
4210 display_type
= DT_GTK
;
4211 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4212 display_type
= DT_SDL
;
4213 #elif defined(CONFIG_VNC)
4214 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4217 display_type
= DT_NONE
;
4221 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4222 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4223 "for SDL, ignoring option\n");
4225 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4226 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4227 "ignoring option\n");
4230 #if defined(CONFIG_GTK)
4231 if (display_type
== DT_GTK
) {
4232 early_gtk_display_init(request_opengl
);
4235 #if defined(CONFIG_SDL)
4236 if (display_type
== DT_SDL
) {
4237 sdl_display_early_init(request_opengl
);
4240 if (request_opengl
== 1 && display_opengl
== 0) {
4241 #if defined(CONFIG_OPENGL)
4242 fprintf(stderr
, "OpenGL is not supported by the display.\n");
4244 fprintf(stderr
, "QEMU was built without opengl support.\n");
4251 if (qemu_opts_foreach(qemu_find_opts("object"),
4253 object_create_initial
, NULL
)) {
4257 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4258 chardev_init_func
, NULL
, NULL
)) {
4262 #ifdef CONFIG_VIRTFS
4263 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4264 fsdev_init_func
, NULL
, NULL
)) {
4269 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4270 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4274 if (qemu_opts_foreach(qemu_find_opts("device"),
4275 device_help_func
, NULL
, NULL
)) {
4279 if (qemu_opts_foreach(qemu_find_opts("object"),
4281 object_create_delayed
, NULL
)) {
4285 machine_opts
= qemu_get_machine_opts();
4286 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4288 object_unref(OBJECT(current_machine
));
4292 configure_accelerator(current_machine
);
4295 Error
*local_err
= NULL
;
4296 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4298 error_report_err(local_err
);
4303 machine_opts
= qemu_get_machine_opts();
4304 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4305 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4306 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4307 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4309 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4311 Error
*local_err
= NULL
;
4313 boot_order
= qemu_opt_get(opts
, "order");
4315 validate_bootdevices(boot_order
, &local_err
);
4317 error_report_err(local_err
);
4322 boot_once
= qemu_opt_get(opts
, "once");
4324 validate_bootdevices(boot_once
, &local_err
);
4326 error_report_err(local_err
);
4331 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4332 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4336 boot_order
= machine_class
->default_boot_order
;
4339 if (!kernel_cmdline
) {
4340 kernel_cmdline
= "";
4341 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4344 linux_boot
= (kernel_filename
!= NULL
);
4346 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4347 fprintf(stderr
, "-append only allowed with -kernel option\n");
4351 if (!linux_boot
&& initrd_filename
!= NULL
) {
4352 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4356 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4357 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4361 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4362 /* fall back to the -kernel/-append */
4363 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4366 os_set_line_buffering();
4369 /* spice needs the timers to be initialized by this point */
4375 if (kvm_enabled() || xen_enabled()) {
4376 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4379 configure_icount(icount_opts
, &error_abort
);
4380 qemu_opts_del(icount_opts
);
4383 /* clean up network at qemu process termination */
4384 atexit(&net_cleanup
);
4386 if (net_init_clients() < 0) {
4391 if (tpm_init() < 0) {
4396 /* init the bluetooth world */
4397 if (foreach_device_config(DEV_BT
, bt_parse
))
4400 if (!xen_enabled()) {
4401 /* On 32-bit hosts, QEMU is limited by virtual address space */
4402 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4403 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4411 /* If the currently selected machine wishes to override the units-per-bus
4412 * property of its default HBA interface type, do so now. */
4413 if (machine_class
->units_per_default_bus
) {
4414 override_max_devs(machine_class
->block_default_type
,
4415 machine_class
->units_per_default_bus
);
4418 /* open the virtual block devices */
4420 qemu_opts_foreach(qemu_find_opts("drive"),
4421 drive_enable_snapshot
, NULL
, NULL
);
4422 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4423 &machine_class
->block_default_type
, NULL
)) {
4427 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4429 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4430 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4432 parse_numa_opts(machine_class
);
4434 if (qemu_opts_foreach(qemu_find_opts("mon"),
4435 mon_init_func
, NULL
, NULL
)) {
4439 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4441 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4443 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4445 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4448 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4451 /* If no default VGA is requested, the default is "none". */
4453 if (machine_class
->default_display
) {
4454 vga_model
= machine_class
->default_display
;
4455 } else if (cirrus_vga_available()) {
4456 vga_model
= "cirrus";
4457 } else if (vga_available()) {
4462 select_vgahw(vga_model
);
4466 i
= select_watchdog(watchdog
);
4468 exit (i
== 1 ? 1 : 0);
4471 if (machine_class
->compat_props
) {
4472 qdev_prop_register_global_list(machine_class
->compat_props
);
4476 qdev_machine_init();
4478 current_machine
->ram_size
= ram_size
;
4479 current_machine
->maxram_size
= maxram_size
;
4480 current_machine
->ram_slots
= ram_slots
;
4481 current_machine
->boot_order
= boot_order
;
4482 current_machine
->cpu_model
= cpu_model
;
4484 machine_class
->init(current_machine
);
4490 cpu_synchronize_all_post_init();
4492 numa_post_machine_init();
4494 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4495 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4499 /* init USB devices */
4500 if (usb_enabled()) {
4501 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4505 /* init generic devices */
4506 if (qemu_opts_foreach(qemu_find_opts("device"),
4507 device_init_func
, NULL
, NULL
)) {
4511 /* Did we create any drives that we failed to create a device for? */
4512 drive_check_orphaned();
4514 net_check_clients();
4517 Error
*local_err
= NULL
;
4518 qemu_boot_set(boot_once
, &local_err
);
4520 error_report("%s", error_get_pretty(local_err
));
4523 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4526 ds
= init_displaystate();
4528 /* init local displays */
4529 switch (display_type
) {
4531 (void)ds
; /* avoid warning if no display is configured */
4533 #if defined(CONFIG_CURSES)
4535 curses_display_init(ds
, full_screen
);
4538 #if defined(CONFIG_SDL)
4540 sdl_display_init(ds
, full_screen
, no_frame
);
4542 #elif defined(CONFIG_COCOA)
4544 cocoa_display_init(ds
, full_screen
);
4547 #if defined(CONFIG_GTK)
4549 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4556 /* must be after terminal init, SDL library changes signal handlers */
4557 os_setup_signal_handling();
4560 /* init remote displays */
4561 qemu_opts_foreach(qemu_find_opts("vnc"),
4562 vnc_init_func
, NULL
, NULL
);
4563 if (show_vnc_port
) {
4564 char *ret
= vnc_display_local_addr("default");
4565 printf("VNC server running on `%s'\n", ret
);
4571 qemu_spice_display_init();
4575 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4579 qdev_machine_creation_done();
4581 if (rom_load_all() != 0) {
4582 fprintf(stderr
, "rom loading failed\n");
4586 /* TODO: once all bus devices are qdevified, this should be done
4587 * when bus is created by qdev.c */
4588 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4589 qemu_run_machine_init_done_notifiers();
4591 /* Done notifiers can load ROMs */
4594 qemu_system_reset(VMRESET_SILENT
);
4596 if (load_vmstate(loadvm
) < 0) {
4601 qdev_prop_check_globals();
4602 if (vmstate_dump_file
) {
4604 dump_vmstate_json_to_file(vmstate_dump_file
);
4609 Error
*local_err
= NULL
;
4610 qemu_start_incoming_migration(incoming
, &local_err
);
4612 error_report("-incoming %s: %s", incoming
,
4613 error_get_pretty(local_err
));
4614 error_free(local_err
);
4617 } else if (autostart
) {
4623 if (is_daemonized()) {
4624 if (!trace_init_backends(trace_events
, trace_file
)) {