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/error-report.h"
62 #include "qemu/sockets.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
102 #include "fsdev/qemu-fsdev.h"
104 #include "sysemu/qtest.h"
106 #include "disas/disas.h"
109 #include "slirp/libslirp.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir
[16];
129 static int data_dir_idx
;
130 const char *bios_name
= NULL
;
131 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
132 DisplayType display_type
= DT_DEFAULT
;
133 int request_opengl
= -1;
135 static int display_remote
;
136 const char* keyboard_layout
= NULL
;
138 const char *mem_path
= NULL
;
139 int mem_prealloc
= 0; /* force preallocation of physical target memory */
140 bool enable_mlock
= false;
142 NICInfo nd_table
[MAX_NICS
];
144 static int rtc_utc
= 1;
145 static int rtc_date_offset
= -1; /* -1 means no change */
146 QEMUClockType rtc_clock
;
147 int vga_interface_type
= VGA_NONE
;
148 static int full_screen
= 0;
149 static int no_frame
= 0;
152 static bool grab_on_hover
;
154 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
155 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
156 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
157 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
158 int win2k_install_hack
= 0;
164 int acpi_enabled
= 1;
167 static int no_reboot
;
170 int graphic_rotate
= 0;
171 const char *watchdog
;
172 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
175 const char *qemu_name
;
178 unsigned int nb_prom_envs
= 0;
179 const char *prom_envs
[MAX_PROM_ENVS
];
182 uint8_t *boot_splash_filedata
;
183 size_t boot_splash_filedata_size
;
184 uint8_t qemu_extra_params_fw
[2];
186 int icount_align_option
;
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 uint8_t qemu_uuid
[16];
194 static NotifierList exit_notifiers
=
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
197 static NotifierList machine_init_done_notifiers
=
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
202 enum xen_mode xen_mode
= XEN_EMULATE
;
204 static int has_defaults
= 1;
205 static int default_serial
= 1;
206 static int default_parallel
= 1;
207 static int default_virtcon
= 1;
208 static int default_sclp
= 1;
209 static int default_monitor
= 1;
210 static int default_floppy
= 1;
211 static int default_cdrom
= 1;
212 static int default_sdcard
= 1;
213 static int default_vga
= 1;
219 { .driver
= "isa-serial", .flag
= &default_serial
},
220 { .driver
= "isa-parallel", .flag
= &default_parallel
},
221 { .driver
= "isa-fdc", .flag
= &default_floppy
},
222 { .driver
= "ide-cd", .flag
= &default_cdrom
},
223 { .driver
= "ide-hd", .flag
= &default_cdrom
},
224 { .driver
= "ide-drive", .flag
= &default_cdrom
},
225 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
226 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
227 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
228 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
229 { .driver
= "VGA", .flag
= &default_vga
},
230 { .driver
= "isa-vga", .flag
= &default_vga
},
231 { .driver
= "cirrus-vga", .flag
= &default_vga
},
232 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
233 { .driver
= "vmware-svga", .flag
= &default_vga
},
234 { .driver
= "qxl-vga", .flag
= &default_vga
},
235 { .driver
= "virtio-vga", .flag
= &default_vga
},
238 static QemuOptsList qemu_rtc_opts
= {
240 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
244 .type
= QEMU_OPT_STRING
,
247 .type
= QEMU_OPT_STRING
,
250 .type
= QEMU_OPT_STRING
,
252 { /* end of list */ }
256 static QemuOptsList qemu_sandbox_opts
= {
258 .implied_opt_name
= "enable",
259 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
263 .type
= QEMU_OPT_BOOL
,
265 { /* end of list */ }
269 static QemuOptsList qemu_trace_opts
= {
271 .implied_opt_name
= "trace",
272 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
276 .type
= QEMU_OPT_STRING
,
279 .type
= QEMU_OPT_STRING
,
281 { /* end of list */ }
285 static QemuOptsList qemu_option_rom_opts
= {
286 .name
= "option-rom",
287 .implied_opt_name
= "romfile",
288 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
292 .type
= QEMU_OPT_NUMBER
,
295 .type
= QEMU_OPT_STRING
,
297 { /* end of list */ }
301 static QemuOptsList qemu_machine_opts
= {
303 .implied_opt_name
= "type",
305 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
316 static QemuOptsList qemu_boot_opts
= {
318 .implied_opt_name
= "order",
320 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
324 .type
= QEMU_OPT_STRING
,
327 .type
= QEMU_OPT_STRING
,
330 .type
= QEMU_OPT_BOOL
,
333 .type
= QEMU_OPT_STRING
,
335 .name
= "splash-time",
336 .type
= QEMU_OPT_STRING
,
338 .name
= "reboot-timeout",
339 .type
= QEMU_OPT_STRING
,
342 .type
= QEMU_OPT_BOOL
,
348 static QemuOptsList qemu_add_fd_opts
= {
350 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
354 .type
= QEMU_OPT_NUMBER
,
355 .help
= "file descriptor of which a duplicate is added to fd set",
358 .type
= QEMU_OPT_NUMBER
,
359 .help
= "ID of the fd set to add fd to",
362 .type
= QEMU_OPT_STRING
,
363 .help
= "free-form string used to describe fd",
365 { /* end of list */ }
369 static QemuOptsList qemu_object_opts
= {
371 .implied_opt_name
= "qom-type",
372 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
378 static QemuOptsList qemu_tpmdev_opts
= {
380 .implied_opt_name
= "type",
381 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
388 static QemuOptsList qemu_realtime_opts
= {
390 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
394 .type
= QEMU_OPT_BOOL
,
396 { /* end of list */ }
400 static QemuOptsList qemu_msg_opts
= {
402 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
406 .type
= QEMU_OPT_BOOL
,
408 { /* end of list */ }
412 static QemuOptsList qemu_name_opts
= {
414 .implied_opt_name
= "guest",
416 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
420 .type
= QEMU_OPT_STRING
,
421 .help
= "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
426 .type
= QEMU_OPT_STRING
,
427 .help
= "Sets the name of the QEMU process, as shown in top etc",
429 .name
= "debug-threads",
430 .type
= QEMU_OPT_BOOL
,
431 .help
= "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
435 { /* End of list */ }
439 static QemuOptsList qemu_mem_opts
= {
441 .implied_opt_name
= "size",
442 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
447 .type
= QEMU_OPT_SIZE
,
451 .type
= QEMU_OPT_NUMBER
,
455 .type
= QEMU_OPT_SIZE
,
457 { /* end of list */ }
461 static QemuOptsList qemu_icount_opts
= {
463 .implied_opt_name
= "shift",
465 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
469 .type
= QEMU_OPT_STRING
,
472 .type
= QEMU_OPT_BOOL
,
475 .type
= QEMU_OPT_BOOL
,
477 { /* end of list */ }
481 static QemuOptsList qemu_semihosting_config_opts
= {
482 .name
= "semihosting-config",
483 .implied_opt_name
= "enable",
484 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
488 .type
= QEMU_OPT_BOOL
,
491 .type
= QEMU_OPT_STRING
,
494 .type
= QEMU_OPT_STRING
,
496 { /* end of list */ }
500 static QemuOptsList qemu_fw_cfg_opts
= {
502 .implied_opt_name
= "name",
503 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
507 .type
= QEMU_OPT_STRING
,
508 .help
= "Sets the fw_cfg name of the blob to be inserted",
511 .type
= QEMU_OPT_STRING
,
512 .help
= "Sets the name of the file from which\n"
513 "the fw_cfg blob will be loaded",
515 { /* end of list */ }
520 * Get machine options
522 * Returns: machine options (never null).
524 QemuOpts
*qemu_get_machine_opts(void)
526 return qemu_find_opts_singleton("machine");
529 const char *qemu_get_vm_name(void)
534 static void res_free(void)
536 if (boot_splash_filedata
!= NULL
) {
537 g_free(boot_splash_filedata
);
538 boot_splash_filedata
= NULL
;
542 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
544 const char *driver
= qemu_opt_get(opts
, "driver");
549 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
550 if (strcmp(default_list
[i
].driver
, driver
) != 0)
552 *(default_list
[i
].flag
) = 0;
557 /***********************************************************/
560 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
562 /* We use RUN_STATE_MAX but any invalid value will do */
563 static RunState vmstop_requested
= RUN_STATE_MAX
;
564 static QemuMutex vmstop_lock
;
569 } RunStateTransition
;
571 static const RunStateTransition runstate_transitions_def
[] = {
573 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
574 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
576 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
577 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
578 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
579 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
580 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
581 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
582 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
583 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
585 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
586 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
588 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
589 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
591 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
592 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
594 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
595 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
598 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
599 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
601 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
602 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
604 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
606 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
607 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
608 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
609 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
610 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
612 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
613 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
614 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
615 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
617 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
619 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
620 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
623 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
624 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
625 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
627 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
628 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
630 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
631 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
633 { RUN_STATE_MAX
, RUN_STATE_MAX
},
636 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
638 bool runstate_check(RunState state
)
640 return current_run_state
== state
;
643 bool runstate_store(char *str
, size_t size
)
645 const char *state
= RunState_lookup
[current_run_state
];
646 size_t len
= strlen(state
) + 1;
651 memcpy(str
, state
, len
);
655 static void runstate_init(void)
657 const RunStateTransition
*p
;
659 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
660 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
661 runstate_valid_transitions
[p
->from
][p
->to
] = true;
664 qemu_mutex_init(&vmstop_lock
);
667 /* This function will abort() on invalid state transitions */
668 void runstate_set(RunState new_state
)
670 assert(new_state
< RUN_STATE_MAX
);
672 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
673 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
674 RunState_lookup
[current_run_state
],
675 RunState_lookup
[new_state
]);
678 trace_runstate_set(new_state
);
679 current_run_state
= new_state
;
682 int runstate_is_running(void)
684 return runstate_check(RUN_STATE_RUNNING
);
687 bool runstate_needs_reset(void)
689 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
690 runstate_check(RUN_STATE_SHUTDOWN
);
693 StatusInfo
*qmp_query_status(Error
**errp
)
695 StatusInfo
*info
= g_malloc0(sizeof(*info
));
697 info
->running
= runstate_is_running();
698 info
->singlestep
= singlestep
;
699 info
->status
= current_run_state
;
704 static bool qemu_vmstop_requested(RunState
*r
)
706 qemu_mutex_lock(&vmstop_lock
);
707 *r
= vmstop_requested
;
708 vmstop_requested
= RUN_STATE_MAX
;
709 qemu_mutex_unlock(&vmstop_lock
);
710 return *r
< RUN_STATE_MAX
;
713 void qemu_system_vmstop_request_prepare(void)
715 qemu_mutex_lock(&vmstop_lock
);
718 void qemu_system_vmstop_request(RunState state
)
720 vmstop_requested
= state
;
721 qemu_mutex_unlock(&vmstop_lock
);
729 qemu_vmstop_requested(&requested
);
730 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
734 /* Ensure that a STOP/RESUME pair of events is emitted if a
735 * vmstop request was pending. The BLOCK_IO_ERROR event, for
736 * example, according to documentation is always followed by
739 if (runstate_is_running()) {
740 qapi_event_send_stop(&error_abort
);
743 runstate_set(RUN_STATE_RUNNING
);
744 vm_state_notify(1, RUN_STATE_RUNNING
);
748 qapi_event_send_resume(&error_abort
);
752 /***********************************************************/
753 /* real time host monotonic timer */
755 static time_t qemu_time(void)
757 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
760 /***********************************************************/
761 /* host time/date access */
762 void qemu_get_timedate(struct tm
*tm
, int offset
)
764 time_t ti
= qemu_time();
767 if (rtc_date_offset
== -1) {
771 localtime_r(&ti
, tm
);
773 ti
-= rtc_date_offset
;
778 int qemu_timedate_diff(struct tm
*tm
)
782 if (rtc_date_offset
== -1)
784 seconds
= mktimegm(tm
);
787 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
788 seconds
= mktime(&tmp
);
791 seconds
= mktimegm(tm
) + rtc_date_offset
;
793 return seconds
- qemu_time();
796 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
798 time_t rtc_start_date
;
801 if (!strcmp(startdate
, "now") && legacy
) {
802 rtc_date_offset
= -1;
804 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
812 } else if (sscanf(startdate
, "%d-%d-%d",
824 rtc_start_date
= mktimegm(&tm
);
825 if (rtc_start_date
== -1) {
827 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
828 "'2006-06-17T16:01:21' or '2006-06-17'\n");
831 rtc_date_offset
= qemu_time() - rtc_start_date
;
835 static void configure_rtc(QemuOpts
*opts
)
839 value
= qemu_opt_get(opts
, "base");
841 if (!strcmp(value
, "utc")) {
843 } else if (!strcmp(value
, "localtime")) {
846 configure_rtc_date_offset(value
, 0);
849 value
= qemu_opt_get(opts
, "clock");
851 if (!strcmp(value
, "host")) {
852 rtc_clock
= QEMU_CLOCK_HOST
;
853 } else if (!strcmp(value
, "rt")) {
854 rtc_clock
= QEMU_CLOCK_REALTIME
;
855 } else if (!strcmp(value
, "vm")) {
856 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
858 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
862 value
= qemu_opt_get(opts
, "driftfix");
864 if (!strcmp(value
, "slew")) {
865 static GlobalProperty slew_lost_ticks
[] = {
867 .driver
= "mc146818rtc",
868 .property
= "lost_tick_policy",
871 { /* end of list */ }
874 qdev_prop_register_global_list(slew_lost_ticks
);
875 } else if (!strcmp(value
, "none")) {
876 /* discard is default */
878 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
884 /***********************************************************/
885 /* Bluetooth support */
888 static struct HCIInfo
*hci_table
[MAX_NICS
];
890 struct HCIInfo
*qemu_next_hci(void)
892 if (cur_hci
== nb_hcis
)
895 return hci_table
[cur_hci
++];
898 static int bt_hci_parse(const char *str
)
903 if (nb_hcis
>= MAX_NICS
) {
904 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
917 bdaddr
.b
[5] = 0x56 + nb_hcis
;
918 hci
->bdaddr_set(hci
, bdaddr
.b
);
920 hci_table
[nb_hcis
++] = hci
;
925 static void bt_vhci_add(int vlan_id
)
927 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
930 fprintf(stderr
, "qemu: warning: adding a VHCI to "
931 "an empty scatternet %i\n", vlan_id
);
933 bt_vhci_init(bt_new_hci(vlan
));
936 static struct bt_device_s
*bt_device_add(const char *opt
)
938 struct bt_scatternet_s
*vlan
;
940 char *endp
= strstr(opt
, ",vlan=");
941 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
944 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
947 vlan_id
= strtol(endp
+ 6, &endp
, 0);
949 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
954 vlan
= qemu_find_bt_vlan(vlan_id
);
957 fprintf(stderr
, "qemu: warning: adding a slave device to "
958 "an empty scatternet %i\n", vlan_id
);
960 if (!strcmp(devname
, "keyboard"))
961 return bt_keyboard_init(vlan
);
963 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
967 static int bt_parse(const char *opt
)
969 const char *endp
, *p
;
972 if (strstart(opt
, "hci", &endp
)) {
973 if (!*endp
|| *endp
== ',') {
975 if (!strstart(endp
, ",vlan=", 0))
978 return bt_hci_parse(opt
);
980 } else if (strstart(opt
, "vhci", &endp
)) {
981 if (!*endp
|| *endp
== ',') {
983 if (strstart(endp
, ",vlan=", &p
)) {
984 vlan
= strtol(p
, (char **) &endp
, 0);
986 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
990 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
999 } else if (strstart(opt
, "device:", &endp
))
1000 return !bt_device_add(endp
);
1002 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1006 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1008 /* FIXME: change this to true for 1.3 */
1009 if (qemu_opt_get_bool(opts
, "enable", false)) {
1010 #ifdef CONFIG_SECCOMP
1011 if (seccomp_start() < 0) {
1012 error_report("failed to install seccomp syscall filter "
1017 error_report("sandboxing request but seccomp is not compiled "
1026 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1028 const char *proc_name
;
1030 if (qemu_opt_get(opts
, "debug-threads")) {
1031 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1033 qemu_name
= qemu_opt_get(opts
, "guest");
1035 proc_name
= qemu_opt_get(opts
, "process");
1037 os_set_proc_name(proc_name
);
1043 bool defaults_enabled(void)
1045 return has_defaults
;
1048 bool usb_enabled(void)
1050 return machine_usb(current_machine
);
1054 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1056 int fd
, dupfd
, flags
;
1058 const char *fd_opaque
= NULL
;
1061 fd
= qemu_opt_get_number(opts
, "fd", -1);
1062 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1063 fd_opaque
= qemu_opt_get(opts
, "opaque");
1066 error_report("fd option is required and must be non-negative");
1070 if (fd
<= STDERR_FILENO
) {
1071 error_report("fd cannot be a standard I/O stream");
1076 * All fds inherited across exec() necessarily have FD_CLOEXEC
1077 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1079 flags
= fcntl(fd
, F_GETFD
);
1080 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1081 error_report("fd is not valid or already in use");
1086 error_report("set option is required and must be non-negative");
1090 #ifdef F_DUPFD_CLOEXEC
1091 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1095 qemu_set_cloexec(dupfd
);
1099 error_report("Error duplicating fd: %s", strerror(errno
));
1103 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1104 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1111 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1115 fd
= qemu_opt_get_number(opts
, "fd", -1);
1122 /***********************************************************/
1123 /* QEMU Block devices */
1125 #define HD_OPTS "media=disk"
1126 #define CDROM_OPTS "media=cdrom"
1128 #define PFLASH_OPTS ""
1132 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1134 BlockInterfaceType
*block_default_type
= opaque
;
1136 return drive_new(opts
, *block_default_type
) == NULL
;
1139 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1141 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1142 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1147 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1148 int index
, const char *optstr
)
1153 if (!enable
|| drive_get_by_index(type
, index
)) {
1157 opts
= drive_add(type
, index
, NULL
, optstr
);
1159 drive_enable_snapshot(NULL
, opts
, NULL
);
1162 dinfo
= drive_new(opts
, type
);
1166 dinfo
->is_default
= true;
1170 static QemuOptsList qemu_smp_opts
= {
1172 .implied_opt_name
= "cpus",
1173 .merge_lists
= true,
1174 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1178 .type
= QEMU_OPT_NUMBER
,
1181 .type
= QEMU_OPT_NUMBER
,
1184 .type
= QEMU_OPT_NUMBER
,
1187 .type
= QEMU_OPT_NUMBER
,
1190 .type
= QEMU_OPT_NUMBER
,
1192 { /*End of list */ }
1196 static void smp_parse(QemuOpts
*opts
)
1200 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1201 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1202 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1203 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1205 /* compute missing values, prefer sockets over cores over threads */
1206 if (cpus
== 0 || sockets
== 0) {
1207 sockets
= sockets
> 0 ? sockets
: 1;
1208 cores
= cores
> 0 ? cores
: 1;
1209 threads
= threads
> 0 ? threads
: 1;
1211 cpus
= cores
* threads
* sockets
;
1213 } else if (cores
== 0) {
1214 threads
= threads
> 0 ? threads
: 1;
1215 cores
= cpus
/ (sockets
* threads
);
1216 } else if (threads
== 0) {
1217 threads
= cpus
/ (cores
* sockets
);
1218 } else if (sockets
* cores
* threads
< cpus
) {
1219 fprintf(stderr
, "cpu topology: error: "
1220 "sockets (%u) * cores (%u) * threads (%u) < "
1222 sockets
, cores
, threads
, cpus
);
1226 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1229 smp_cores
= cores
> 0 ? cores
: 1;
1230 smp_threads
= threads
> 0 ? threads
: 1;
1234 if (max_cpus
== 0) {
1235 max_cpus
= smp_cpus
;
1238 if (max_cpus
> MAX_CPUMASK_BITS
) {
1239 fprintf(stderr
, "Unsupported number of maxcpus\n");
1242 if (max_cpus
< smp_cpus
) {
1243 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1249 static void realtime_init(void)
1252 if (os_mlock() < 0) {
1253 fprintf(stderr
, "qemu: locking memory failed\n");
1260 static void configure_msg(QemuOpts
*opts
)
1262 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1265 /***********************************************************/
1268 typedef struct SemihostingConfig
{
1270 SemihostingTarget target
;
1273 const char *cmdline
; /* concatenated argv */
1274 } SemihostingConfig
;
1276 static SemihostingConfig semihosting
;
1278 bool semihosting_enabled(void)
1280 return semihosting
.enabled
;
1283 SemihostingTarget
semihosting_get_target(void)
1285 return semihosting
.target
;
1288 const char *semihosting_get_arg(int i
)
1290 if (i
>= semihosting
.argc
) {
1293 return semihosting
.argv
[i
];
1296 int semihosting_get_argc(void)
1298 return semihosting
.argc
;
1301 const char *semihosting_get_cmdline(void)
1303 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1304 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1306 return semihosting
.cmdline
;
1309 static int add_semihosting_arg(void *opaque
,
1310 const char *name
, const char *val
,
1313 SemihostingConfig
*s
= opaque
;
1314 if (strcmp(name
, "arg") == 0) {
1316 /* one extra element as g_strjoinv() expects NULL-terminated array */
1317 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1318 s
->argv
[s
->argc
- 1] = val
;
1319 s
->argv
[s
->argc
] = NULL
;
1324 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1325 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1330 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1332 /* split -append and initialize argv[1..n] */
1333 cmd_token
= strtok(g_strdup(cmd
), " ");
1335 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1336 cmd_token
= strtok(NULL
, " ");
1340 /***********************************************************/
1343 static int usb_device_add(const char *devname
)
1345 USBDevice
*dev
= NULL
;
1346 #ifndef CONFIG_LINUX
1350 if (!usb_enabled()) {
1354 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1355 dev
= usbdevice_create(devname
);
1359 /* the other ones */
1360 #ifndef CONFIG_LINUX
1361 /* only the linux version is qdev-ified, usb-bsd still needs this */
1362 if (strstart(devname
, "host:", &p
)) {
1363 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1373 static int usb_device_del(const char *devname
)
1378 if (strstart(devname
, "host:", &p
)) {
1382 if (!usb_enabled()) {
1386 p
= strchr(devname
, '.');
1389 bus_num
= strtoul(devname
, NULL
, 0);
1390 addr
= strtoul(p
+ 1, NULL
, 0);
1392 return usb_device_delete_addr(bus_num
, addr
);
1395 static int usb_parse(const char *cmdline
)
1398 r
= usb_device_add(cmdline
);
1400 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1405 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1407 const char *devname
= qdict_get_str(qdict
, "devname");
1408 if (usb_device_add(devname
) < 0) {
1409 error_report("could not add USB device '%s'", devname
);
1413 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1415 const char *devname
= qdict_get_str(qdict
, "devname");
1416 if (usb_device_del(devname
) < 0) {
1417 error_report("could not delete USB device '%s'", devname
);
1421 /***********************************************************/
1422 /* machine registration */
1424 MachineState
*current_machine
;
1427 * Transitional class registration/init used for converting from
1428 * legacy QEMUMachine to MachineClass.
1430 static void qemu_machine_class_init(ObjectClass
*oc
, void *data
)
1432 MachineClass
*mc
= MACHINE_CLASS(oc
);
1433 QEMUMachine
*qm
= data
;
1434 mc
->name
= qm
->name
;
1435 mc
->desc
= qm
->desc
;
1436 mc
->init
= qm
->init
;
1437 mc
->kvm_type
= qm
->kvm_type
;
1438 mc
->block_default_type
= qm
->block_default_type
;
1439 mc
->max_cpus
= qm
->max_cpus
;
1440 mc
->no_sdcard
= qm
->no_sdcard
;
1441 mc
->has_dynamic_sysbus
= qm
->has_dynamic_sysbus
;
1442 mc
->is_default
= qm
->is_default
;
1443 mc
->default_machine_opts
= qm
->default_machine_opts
;
1444 mc
->default_boot_order
= qm
->default_boot_order
;
1447 int qemu_register_machine(QEMUMachine
*m
)
1449 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1452 .parent
= TYPE_MACHINE
,
1453 .class_init
= qemu_machine_class_init
,
1454 .class_data
= (void *)m
,
1463 static MachineClass
*find_machine(const char *name
)
1465 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1466 MachineClass
*mc
= NULL
;
1468 for (el
= machines
; el
; el
= el
->next
) {
1469 MachineClass
*temp
= el
->data
;
1471 if (!strcmp(temp
->name
, name
)) {
1476 !strcmp(temp
->alias
, name
)) {
1482 g_slist_free(machines
);
1486 MachineClass
*find_default_machine(void)
1488 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1489 MachineClass
*mc
= NULL
;
1491 for (el
= machines
; el
; el
= el
->next
) {
1492 MachineClass
*temp
= el
->data
;
1494 if (temp
->is_default
) {
1500 g_slist_free(machines
);
1504 MachineInfoList
*qmp_query_machines(Error
**errp
)
1506 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1507 MachineInfoList
*mach_list
= NULL
;
1509 for (el
= machines
; el
; el
= el
->next
) {
1510 MachineClass
*mc
= el
->data
;
1511 MachineInfoList
*entry
;
1514 info
= g_malloc0(sizeof(*info
));
1515 if (mc
->is_default
) {
1516 info
->has_is_default
= true;
1517 info
->is_default
= true;
1521 info
->has_alias
= true;
1522 info
->alias
= g_strdup(mc
->alias
);
1525 info
->name
= g_strdup(mc
->name
);
1526 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1528 entry
= g_malloc0(sizeof(*entry
));
1529 entry
->value
= info
;
1530 entry
->next
= mach_list
;
1534 g_slist_free(machines
);
1538 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1540 ObjectProperty
*prop
;
1542 if (!qemu_opt_has_help_opt(opts
)) {
1546 QTAILQ_FOREACH(prop
, &OBJECT(machine
)->properties
, node
) {
1551 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1552 prop
->name
, prop
->type
);
1553 if (prop
->description
) {
1554 error_printf(" (%s)\n", prop
->description
);
1563 /***********************************************************/
1564 /* main execution loop */
1566 struct vm_change_state_entry
{
1567 VMChangeStateHandler
*cb
;
1569 QLIST_ENTRY (vm_change_state_entry
) entries
;
1572 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1574 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1577 VMChangeStateEntry
*e
;
1579 e
= g_malloc0(sizeof (*e
));
1583 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1587 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1589 QLIST_REMOVE (e
, entries
);
1593 void vm_state_notify(int running
, RunState state
)
1595 VMChangeStateEntry
*e
, *next
;
1597 trace_vm_state_notify(running
, state
);
1599 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1600 e
->cb(e
->opaque
, running
, state
);
1604 /* reset/shutdown handler */
1606 typedef struct QEMUResetEntry
{
1607 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1608 QEMUResetHandler
*func
;
1612 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1613 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1614 static int reset_requested
;
1615 static int shutdown_requested
, shutdown_signal
= -1;
1616 static pid_t shutdown_pid
;
1617 static int powerdown_requested
;
1618 static int debug_requested
;
1619 static int suspend_requested
;
1620 static WakeupReason wakeup_reason
;
1621 static NotifierList powerdown_notifiers
=
1622 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1623 static NotifierList suspend_notifiers
=
1624 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1625 static NotifierList wakeup_notifiers
=
1626 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1627 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1629 int qemu_shutdown_requested_get(void)
1631 return shutdown_requested
;
1634 int qemu_reset_requested_get(void)
1636 return reset_requested
;
1639 static int qemu_shutdown_requested(void)
1641 return atomic_xchg(&shutdown_requested
, 0);
1644 static void qemu_kill_report(void)
1646 if (!qtest_driver() && shutdown_signal
!= -1) {
1647 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1648 if (shutdown_pid
== 0) {
1649 /* This happens for eg ^C at the terminal, so it's worth
1650 * avoiding printing an odd message in that case.
1652 fputc('\n', stderr
);
1654 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1656 shutdown_signal
= -1;
1660 static int qemu_reset_requested(void)
1662 int r
= reset_requested
;
1663 reset_requested
= 0;
1667 static int qemu_suspend_requested(void)
1669 int r
= suspend_requested
;
1670 suspend_requested
= 0;
1674 static WakeupReason
qemu_wakeup_requested(void)
1676 return wakeup_reason
;
1679 static int qemu_powerdown_requested(void)
1681 int r
= powerdown_requested
;
1682 powerdown_requested
= 0;
1686 static int qemu_debug_requested(void)
1688 int r
= debug_requested
;
1689 debug_requested
= 0;
1693 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1695 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1698 re
->opaque
= opaque
;
1699 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1702 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1706 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1707 if (re
->func
== func
&& re
->opaque
== opaque
) {
1708 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1715 void qemu_devices_reset(void)
1717 QEMUResetEntry
*re
, *nre
;
1719 /* reset all devices */
1720 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1721 re
->func(re
->opaque
);
1725 void qemu_system_reset(bool report
)
1729 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1731 if (mc
&& mc
->reset
) {
1734 qemu_devices_reset();
1737 qapi_event_send_reset(&error_abort
);
1739 cpu_synchronize_all_post_reset();
1742 void qemu_system_reset_request(void)
1745 shutdown_requested
= 1;
1747 reset_requested
= 1;
1750 qemu_notify_event();
1753 static void qemu_system_suspend(void)
1756 notifier_list_notify(&suspend_notifiers
, NULL
);
1757 runstate_set(RUN_STATE_SUSPENDED
);
1758 qapi_event_send_suspend(&error_abort
);
1761 void qemu_system_suspend_request(void)
1763 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1766 suspend_requested
= 1;
1768 qemu_notify_event();
1771 void qemu_register_suspend_notifier(Notifier
*notifier
)
1773 notifier_list_add(&suspend_notifiers
, notifier
);
1776 void qemu_system_wakeup_request(WakeupReason reason
)
1778 trace_system_wakeup_request(reason
);
1780 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1783 if (!(wakeup_reason_mask
& (1 << reason
))) {
1786 runstate_set(RUN_STATE_RUNNING
);
1787 wakeup_reason
= reason
;
1788 qemu_notify_event();
1791 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1794 wakeup_reason_mask
|= (1 << reason
);
1796 wakeup_reason_mask
&= ~(1 << reason
);
1800 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1802 notifier_list_add(&wakeup_notifiers
, notifier
);
1805 void qemu_system_killed(int signal
, pid_t pid
)
1807 shutdown_signal
= signal
;
1810 qemu_system_shutdown_request();
1813 void qemu_system_shutdown_request(void)
1815 trace_qemu_system_shutdown_request();
1816 shutdown_requested
= 1;
1817 qemu_notify_event();
1820 static void qemu_system_powerdown(void)
1822 qapi_event_send_powerdown(&error_abort
);
1823 notifier_list_notify(&powerdown_notifiers
, NULL
);
1826 void qemu_system_powerdown_request(void)
1828 trace_qemu_system_powerdown_request();
1829 powerdown_requested
= 1;
1830 qemu_notify_event();
1833 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1835 notifier_list_add(&powerdown_notifiers
, notifier
);
1838 void qemu_system_debug_request(void)
1840 debug_requested
= 1;
1841 qemu_notify_event();
1844 static bool main_loop_should_exit(void)
1847 if (qemu_debug_requested()) {
1848 vm_stop(RUN_STATE_DEBUG
);
1850 if (qemu_suspend_requested()) {
1851 qemu_system_suspend();
1853 if (qemu_shutdown_requested()) {
1855 qapi_event_send_shutdown(&error_abort
);
1857 vm_stop(RUN_STATE_SHUTDOWN
);
1862 if (qemu_reset_requested()) {
1864 cpu_synchronize_all_states();
1865 qemu_system_reset(VMRESET_REPORT
);
1867 if (runstate_needs_reset()) {
1868 runstate_set(RUN_STATE_PAUSED
);
1871 if (qemu_wakeup_requested()) {
1873 cpu_synchronize_all_states();
1874 qemu_system_reset(VMRESET_SILENT
);
1875 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1876 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1878 qapi_event_send_wakeup(&error_abort
);
1880 if (qemu_powerdown_requested()) {
1881 qemu_system_powerdown();
1883 if (qemu_vmstop_requested(&r
)) {
1889 static void main_loop(void)
1893 #ifdef CONFIG_PROFILER
1897 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1898 #ifdef CONFIG_PROFILER
1899 ti
= profile_getclock();
1901 last_io
= main_loop_wait(nonblocking
);
1902 #ifdef CONFIG_PROFILER
1903 dev_time
+= profile_getclock() - ti
;
1905 } while (!main_loop_should_exit());
1908 static void version(void)
1910 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1913 static void help(int exitcode
)
1916 printf("usage: %s [options] [disk_image]\n\n"
1917 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1918 error_get_progname());
1920 #define QEMU_OPTIONS_GENERATE_HELP
1921 #include "qemu-options-wrapper.h"
1923 printf("\nDuring emulation, the following keys are useful:\n"
1924 "ctrl-alt-f toggle full screen\n"
1925 "ctrl-alt-n switch to virtual console 'n'\n"
1926 "ctrl-alt toggle mouse and keyboard grab\n"
1928 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1933 #define HAS_ARG 0x0001
1935 typedef struct QEMUOption
{
1942 static const QEMUOption qemu_options
[] = {
1943 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1944 #define QEMU_OPTIONS_GENERATE_OPTIONS
1945 #include "qemu-options-wrapper.h"
1949 static bool vga_available(void)
1951 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1954 static bool cirrus_vga_available(void)
1956 return object_class_by_name("cirrus-vga")
1957 || object_class_by_name("isa-cirrus-vga");
1960 static bool vmware_vga_available(void)
1962 return object_class_by_name("vmware-svga");
1965 static bool qxl_vga_available(void)
1967 return object_class_by_name("qxl-vga");
1970 static bool tcx_vga_available(void)
1972 return object_class_by_name("SUNW,tcx");
1975 static bool cg3_vga_available(void)
1977 return object_class_by_name("cgthree");
1980 static bool virtio_vga_available(void)
1982 return object_class_by_name("virtio-vga");
1985 static void select_vgahw (const char *p
)
1989 assert(vga_interface_type
== VGA_NONE
);
1990 if (strstart(p
, "std", &opts
)) {
1991 if (vga_available()) {
1992 vga_interface_type
= VGA_STD
;
1994 fprintf(stderr
, "Error: standard VGA not available\n");
1997 } else if (strstart(p
, "cirrus", &opts
)) {
1998 if (cirrus_vga_available()) {
1999 vga_interface_type
= VGA_CIRRUS
;
2001 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2004 } else if (strstart(p
, "vmware", &opts
)) {
2005 if (vmware_vga_available()) {
2006 vga_interface_type
= VGA_VMWARE
;
2008 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2011 } else if (strstart(p
, "virtio", &opts
)) {
2012 if (virtio_vga_available()) {
2013 vga_interface_type
= VGA_VIRTIO
;
2015 fprintf(stderr
, "Error: Virtio VGA not available\n");
2018 } else if (strstart(p
, "xenfb", &opts
)) {
2019 vga_interface_type
= VGA_XENFB
;
2020 } else if (strstart(p
, "qxl", &opts
)) {
2021 if (qxl_vga_available()) {
2022 vga_interface_type
= VGA_QXL
;
2024 fprintf(stderr
, "Error: QXL VGA not available\n");
2027 } else if (strstart(p
, "tcx", &opts
)) {
2028 if (tcx_vga_available()) {
2029 vga_interface_type
= VGA_TCX
;
2031 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2034 } else if (strstart(p
, "cg3", &opts
)) {
2035 if (cg3_vga_available()) {
2036 vga_interface_type
= VGA_CG3
;
2038 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2041 } else if (!strstart(p
, "none", &opts
)) {
2043 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2047 const char *nextopt
;
2049 if (strstart(opts
, ",retrace=", &nextopt
)) {
2051 if (strstart(opts
, "dumb", &nextopt
))
2052 vga_retrace_method
= VGA_RETRACE_DUMB
;
2053 else if (strstart(opts
, "precise", &nextopt
))
2054 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2055 else goto invalid_vga
;
2056 } else goto invalid_vga
;
2061 static DisplayType
select_display(const char *p
)
2065 DisplayType display
= DT_DEFAULT
;
2067 if (strstart(p
, "sdl", &opts
)) {
2071 const char *nextopt
;
2073 if (strstart(opts
, ",frame=", &nextopt
)) {
2075 if (strstart(opts
, "on", &nextopt
)) {
2077 } else if (strstart(opts
, "off", &nextopt
)) {
2080 goto invalid_sdl_args
;
2082 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2084 if (strstart(opts
, "on", &nextopt
)) {
2086 } else if (strstart(opts
, "off", &nextopt
)) {
2089 goto invalid_sdl_args
;
2091 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2093 if (strstart(opts
, "on", &nextopt
)) {
2095 } else if (strstart(opts
, "off", &nextopt
)) {
2098 goto invalid_sdl_args
;
2100 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2102 if (strstart(opts
, "on", &nextopt
)) {
2104 } else if (strstart(opts
, "off", &nextopt
)) {
2107 goto invalid_sdl_args
;
2109 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2111 if (strstart(opts
, "on", &nextopt
)) {
2113 } else if (strstart(opts
, "off", &nextopt
)) {
2116 goto invalid_sdl_args
;
2120 error_report("Invalid SDL option string");
2126 error_report("SDL support is disabled");
2129 } else if (strstart(p
, "vnc", &opts
)) {
2132 if (vnc_parse(opts
+ 1, &err
) == NULL
) {
2133 error_report_err(err
);
2137 error_report("VNC requires a display argument vnc=<display>");
2141 error_report("VNC support is disabled");
2144 } else if (strstart(p
, "curses", &opts
)) {
2145 #ifdef CONFIG_CURSES
2146 display
= DT_CURSES
;
2148 error_report("Curses support is disabled");
2151 } else if (strstart(p
, "gtk", &opts
)) {
2155 const char *nextopt
;
2157 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2159 if (strstart(opts
, "on", &nextopt
)) {
2160 grab_on_hover
= true;
2161 } else if (strstart(opts
, "off", &nextopt
)) {
2162 grab_on_hover
= false;
2164 goto invalid_gtk_args
;
2166 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2168 if (strstart(opts
, "on", &nextopt
)) {
2170 } else if (strstart(opts
, "off", &nextopt
)) {
2173 goto invalid_gtk_args
;
2177 error_report("Invalid GTK option string");
2183 error_report("GTK support is disabled");
2186 } else if (strstart(p
, "none", &opts
)) {
2189 error_report("Unknown display type");
2196 static int balloon_parse(const char *arg
)
2200 if (strcmp(arg
, "none") == 0) {
2204 if (!strncmp(arg
, "virtio", 6)) {
2205 if (arg
[6] == ',') {
2206 /* have params -> parse them */
2207 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2212 /* create empty opts */
2213 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2216 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2223 char *qemu_find_file(int type
, const char *name
)
2229 /* Try the name as a straight path first */
2230 if (access(name
, R_OK
) == 0) {
2231 trace_load_file(name
, name
);
2232 return g_strdup(name
);
2236 case QEMU_FILE_TYPE_BIOS
:
2239 case QEMU_FILE_TYPE_KEYMAP
:
2240 subdir
= "keymaps/";
2246 for (i
= 0; i
< data_dir_idx
; i
++) {
2247 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2248 if (access(buf
, R_OK
) == 0) {
2249 trace_load_file(name
, buf
);
2257 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2261 const char *name
, *file
;
2263 if (opaque
== NULL
) {
2264 error_report("fw_cfg device not available");
2267 name
= qemu_opt_get(opts
, "name");
2268 file
= qemu_opt_get(opts
, "file");
2269 if (name
== NULL
|| *name
== '\0' || file
== NULL
|| *file
== '\0') {
2270 error_report("invalid argument value");
2273 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2274 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2277 if (strncmp(name
, "opt/", 4) != 0) {
2278 error_report("WARNING: externally provided fw_cfg item names "
2279 "should be prefixed with \"opt/\"!");
2281 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2282 error_report("can't load %s", file
);
2285 fw_cfg_add_file((FWCfgState
*)opaque
, name
, buf
, size
);
2289 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2291 return qdev_device_help(opts
);
2294 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2299 dev
= qdev_device_add(opts
, &err
);
2301 error_report_err(err
);
2304 object_unref(OBJECT(dev
));
2308 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2310 Error
*local_err
= NULL
;
2312 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2314 error_report_err(local_err
);
2320 #ifdef CONFIG_VIRTFS
2321 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2324 ret
= qemu_fsdev_add(opts
);
2330 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2332 CharDriverState
*chr
;
2333 const char *chardev
;
2337 mode
= qemu_opt_get(opts
, "mode");
2341 if (strcmp(mode
, "readline") == 0) {
2342 flags
= MONITOR_USE_READLINE
;
2343 } else if (strcmp(mode
, "control") == 0) {
2344 flags
= MONITOR_USE_CONTROL
;
2346 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2350 if (qemu_opt_get_bool(opts
, "pretty", 0))
2351 flags
|= MONITOR_USE_PRETTY
;
2353 if (qemu_opt_get_bool(opts
, "default", 0))
2354 flags
|= MONITOR_IS_DEFAULT
;
2356 chardev
= qemu_opt_get(opts
, "chardev");
2357 chr
= qemu_chr_find(chardev
);
2359 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2363 qemu_chr_fe_claim_no_fail(chr
);
2364 monitor_init(chr
, flags
);
2368 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2370 static int monitor_device_index
= 0;
2371 Error
*local_err
= NULL
;
2377 if (strstart(optarg
, "chardev:", &p
)) {
2378 snprintf(label
, sizeof(label
), "%s", p
);
2380 snprintf(label
, sizeof(label
), "compat_monitor%d",
2381 monitor_device_index
);
2382 if (monitor_device_index
== 0) {
2385 opts
= qemu_chr_parse_compat(label
, optarg
);
2387 fprintf(stderr
, "parse error: %s\n", optarg
);
2392 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2394 error_report_err(local_err
);
2397 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2398 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2399 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2401 qemu_opt_set(opts
, "default", "on", &error_abort
);
2402 monitor_device_index
++;
2405 struct device_config
{
2407 DEV_USB
, /* -usbdevice */
2409 DEV_SERIAL
, /* -serial */
2410 DEV_PARALLEL
, /* -parallel */
2411 DEV_VIRTCON
, /* -virtioconsole */
2412 DEV_DEBUGCON
, /* -debugcon */
2413 DEV_GDB
, /* -gdb, -s */
2414 DEV_SCLP
, /* s390 sclp */
2416 const char *cmdline
;
2418 QTAILQ_ENTRY(device_config
) next
;
2421 static QTAILQ_HEAD(, device_config
) device_configs
=
2422 QTAILQ_HEAD_INITIALIZER(device_configs
);
2424 static void add_device_config(int type
, const char *cmdline
)
2426 struct device_config
*conf
;
2428 conf
= g_malloc0(sizeof(*conf
));
2430 conf
->cmdline
= cmdline
;
2431 loc_save(&conf
->loc
);
2432 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2435 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2437 struct device_config
*conf
;
2440 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2441 if (conf
->type
!= type
)
2443 loc_push_restore(&conf
->loc
);
2444 rc
= func(conf
->cmdline
);
2445 loc_pop(&conf
->loc
);
2453 static int serial_parse(const char *devname
)
2455 static int index
= 0;
2458 if (strcmp(devname
, "none") == 0)
2460 if (index
== MAX_SERIAL_PORTS
) {
2461 fprintf(stderr
, "qemu: too many serial ports\n");
2464 snprintf(label
, sizeof(label
), "serial%d", index
);
2465 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2466 if (!serial_hds
[index
]) {
2467 fprintf(stderr
, "qemu: could not connect serial device"
2468 " to character backend '%s'\n", devname
);
2475 static int parallel_parse(const char *devname
)
2477 static int index
= 0;
2480 if (strcmp(devname
, "none") == 0)
2482 if (index
== MAX_PARALLEL_PORTS
) {
2483 fprintf(stderr
, "qemu: too many parallel ports\n");
2486 snprintf(label
, sizeof(label
), "parallel%d", index
);
2487 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2488 if (!parallel_hds
[index
]) {
2489 fprintf(stderr
, "qemu: could not connect parallel device"
2490 " to character backend '%s'\n", devname
);
2497 static int virtcon_parse(const char *devname
)
2499 QemuOptsList
*device
= qemu_find_opts("device");
2500 static int index
= 0;
2502 QemuOpts
*bus_opts
, *dev_opts
;
2504 if (strcmp(devname
, "none") == 0)
2506 if (index
== MAX_VIRTIO_CONSOLES
) {
2507 fprintf(stderr
, "qemu: too many virtio consoles\n");
2511 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2512 if (arch_type
== QEMU_ARCH_S390X
) {
2513 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390", &error_abort
);
2515 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci", &error_abort
);
2518 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2519 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2521 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2522 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2523 if (!virtcon_hds
[index
]) {
2524 fprintf(stderr
, "qemu: could not connect virtio console"
2525 " to character backend '%s'\n", devname
);
2528 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2534 static int sclp_parse(const char *devname
)
2536 QemuOptsList
*device
= qemu_find_opts("device");
2537 static int index
= 0;
2541 if (strcmp(devname
, "none") == 0) {
2544 if (index
== MAX_SCLP_CONSOLES
) {
2545 fprintf(stderr
, "qemu: too many sclp consoles\n");
2549 assert(arch_type
== QEMU_ARCH_S390X
);
2551 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2552 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2554 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2555 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2556 if (!sclp_hds
[index
]) {
2557 fprintf(stderr
, "qemu: could not connect sclp console"
2558 " to character backend '%s'\n", devname
);
2561 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2567 static int debugcon_parse(const char *devname
)
2571 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2574 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2576 fprintf(stderr
, "qemu: already have a debugcon device\n");
2579 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2580 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2584 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2586 const MachineClass
*mc1
= a
, *mc2
= b
;
2589 if (mc1
->family
== NULL
) {
2590 if (mc2
->family
== NULL
) {
2591 /* Compare standalone machine types against each other; they sort
2592 * in increasing order.
2594 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2595 object_class_get_name(OBJECT_CLASS(mc2
)));
2598 /* Standalone machine types sort after families. */
2602 if (mc2
->family
== NULL
) {
2603 /* Families sort before standalone machine types. */
2607 /* Families sort between each other alphabetically increasingly. */
2608 res
= strcmp(mc1
->family
, mc2
->family
);
2613 /* Within the same family, machine types sort in decreasing order. */
2614 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2615 object_class_get_name(OBJECT_CLASS(mc1
)));
2618 static MachineClass
*machine_parse(const char *name
)
2620 MachineClass
*mc
= NULL
;
2621 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2624 mc
= find_machine(name
);
2627 g_slist_free(machines
);
2630 if (name
&& !is_help_option(name
)) {
2631 error_report("Unsupported machine type");
2632 error_printf("Use -machine help to list supported machines!\n");
2634 printf("Supported machines are:\n");
2635 machines
= g_slist_sort(machines
, machine_class_cmp
);
2636 for (el
= machines
; el
; el
= el
->next
) {
2637 MachineClass
*mc
= el
->data
;
2639 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2641 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2642 mc
->is_default
? " (default)" : "");
2646 g_slist_free(machines
);
2647 exit(!name
|| !is_help_option(name
));
2650 void qemu_add_exit_notifier(Notifier
*notify
)
2652 notifier_list_add(&exit_notifiers
, notify
);
2655 void qemu_remove_exit_notifier(Notifier
*notify
)
2657 notifier_remove(notify
);
2660 static void qemu_run_exit_notifiers(void)
2662 notifier_list_notify(&exit_notifiers
, NULL
);
2665 static bool machine_init_done
;
2667 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2669 notifier_list_add(&machine_init_done_notifiers
, notify
);
2670 if (machine_init_done
) {
2671 notify
->notify(notify
, NULL
);
2675 static void qemu_run_machine_init_done_notifiers(void)
2677 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2678 machine_init_done
= true;
2681 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2682 const char **poptarg
, int *poptind
)
2684 const QEMUOption
*popt
;
2685 int optind
= *poptind
;
2686 char *r
= argv
[optind
];
2689 loc_set_cmdline(argv
, optind
, 1);
2691 /* Treat --foo the same as -foo. */
2694 popt
= qemu_options
;
2697 error_report("invalid option");
2700 if (!strcmp(popt
->name
, r
+ 1))
2704 if (popt
->flags
& HAS_ARG
) {
2705 if (optind
>= argc
) {
2706 error_report("requires an argument");
2709 optarg
= argv
[optind
++];
2710 loc_set_cmdline(argv
, optind
- 2, 2);
2721 static gpointer
malloc_and_trace(gsize n_bytes
)
2723 void *ptr
= malloc(n_bytes
);
2724 trace_g_malloc(n_bytes
, ptr
);
2728 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2730 void *ptr
= realloc(mem
, n_bytes
);
2731 trace_g_realloc(mem
, n_bytes
, ptr
);
2735 static void free_and_trace(gpointer mem
)
2741 static int machine_set_property(void *opaque
,
2742 const char *name
, const char *value
,
2745 Object
*obj
= OBJECT(opaque
);
2746 Error
*local_err
= NULL
;
2749 if (strcmp(name
, "type") == 0) {
2753 qom_name
= g_strdup(name
);
2761 object_property_parse(obj
, value
, qom_name
, &local_err
);
2765 error_report_err(local_err
);
2774 * Initial object creation happens before all other
2775 * QEMU data types are created. The majority of objects
2776 * can be created at this point. The rng-egd object
2777 * cannot be created here, as it depends on the chardev
2780 static bool object_create_initial(const char *type
)
2782 if (g_str_equal(type
, "rng-egd")) {
2790 * The remainder of object creation happens after the
2791 * creation of chardev, fsdev and device data types.
2793 static bool object_create_delayed(const char *type
)
2795 return !object_create_initial(type
);
2799 static int object_create(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2807 bool (*type_predicate
)(const char *) = opaque
;
2809 ov
= opts_visitor_new(opts
);
2810 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2812 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2817 qdict_del(pdict
, "qom-type");
2818 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2822 if (!type_predicate(type
)) {
2826 qdict_del(pdict
, "id");
2827 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2832 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2836 visit_end_struct(opts_get_visitor(ov
), &err
);
2838 qmp_object_del(id
, NULL
);
2842 opts_visitor_cleanup(ov
);
2849 error_report_err(err
);
2855 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2859 const char *mem_str
;
2860 const char *maxmem_str
, *slots_str
;
2861 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2862 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2865 mem_str
= qemu_opt_get(opts
, "size");
2868 error_report("missing 'size' option value");
2872 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2874 /* Fix up legacy suffix-less format */
2875 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2876 uint64_t overflow_check
= sz
;
2879 if ((sz
>> 20) != overflow_check
) {
2880 error_report("too large 'size' option value");
2886 /* backward compatibility behaviour for case "-m 0" */
2888 sz
= default_ram_size
;
2891 sz
= QEMU_ALIGN_UP(sz
, 8192);
2893 if (ram_size
!= sz
) {
2894 error_report("ram size too large");
2898 /* store value for the future use */
2899 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2900 *maxram_size
= ram_size
;
2902 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2903 slots_str
= qemu_opt_get(opts
, "slots");
2904 if (maxmem_str
&& slots_str
) {
2907 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2908 slots
= qemu_opt_get_number(opts
, "slots", 0);
2909 if (sz
< ram_size
) {
2910 error_report("invalid value of -m option maxmem: "
2911 "maximum memory size (0x%" PRIx64
") must be at least "
2912 "the initial memory size (0x" RAM_ADDR_FMT
")",
2915 } else if (sz
> ram_size
) {
2917 error_report("invalid value of -m option: maxmem was "
2918 "specified, but no hotplug slots were specified");
2922 error_report("invalid value of -m option maxmem: "
2923 "memory slots were specified but maximum memory size "
2924 "(0x%" PRIx64
") is equal to the initial memory size "
2925 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2931 } else if ((!maxmem_str
&& slots_str
) ||
2932 (maxmem_str
&& !slots_str
)) {
2933 error_report("invalid -m option value: missing "
2934 "'%s' option", slots_str
? "maxmem" : "slots");
2939 int main(int argc
, char **argv
, char **envp
)
2942 int snapshot
, linux_boot
;
2943 const char *initrd_filename
;
2944 const char *kernel_filename
, *kernel_cmdline
;
2945 const char *boot_order
= NULL
;
2946 const char *boot_once
= NULL
;
2948 int cyls
, heads
, secs
, translation
;
2949 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2950 QemuOptsList
*olist
;
2953 const char *loadvm
= NULL
;
2954 MachineClass
*machine_class
;
2955 const char *cpu_model
;
2956 const char *vga_model
= NULL
;
2957 const char *qtest_chrdev
= NULL
;
2958 const char *qtest_log
= NULL
;
2959 const char *pid_file
= NULL
;
2960 const char *incoming
= NULL
;
2962 int show_vnc_port
= 0;
2964 bool defconfig
= true;
2965 bool userconfig
= true;
2966 const char *log_mask
= NULL
;
2967 const char *log_file
= NULL
;
2968 GMemVTable mem_trace
= {
2969 .malloc
= malloc_and_trace
,
2970 .realloc
= realloc_and_trace
,
2971 .free
= free_and_trace
,
2973 const char *trace_events
= NULL
;
2974 const char *trace_file
= NULL
;
2975 ram_addr_t maxram_size
;
2976 uint64_t ram_slots
= 0;
2977 FILE *vmstate_dump_file
= NULL
;
2978 Error
*main_loop_err
= NULL
;
2980 qemu_init_cpu_loop();
2981 qemu_mutex_lock_iothread();
2983 atexit(qemu_run_exit_notifiers
);
2984 error_set_progname(argv
[0]);
2985 qemu_init_exec_dir(argv
[0]);
2987 g_mem_set_vtable(&mem_trace
);
2989 module_call_init(MODULE_INIT_QOM
);
2991 qemu_add_opts(&qemu_drive_opts
);
2992 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2993 qemu_add_drive_opts(&qemu_common_drive_opts
);
2994 qemu_add_drive_opts(&qemu_drive_opts
);
2995 qemu_add_opts(&qemu_chardev_opts
);
2996 qemu_add_opts(&qemu_device_opts
);
2997 qemu_add_opts(&qemu_netdev_opts
);
2998 qemu_add_opts(&qemu_net_opts
);
2999 qemu_add_opts(&qemu_rtc_opts
);
3000 qemu_add_opts(&qemu_global_opts
);
3001 qemu_add_opts(&qemu_mon_opts
);
3002 qemu_add_opts(&qemu_trace_opts
);
3003 qemu_add_opts(&qemu_option_rom_opts
);
3004 qemu_add_opts(&qemu_machine_opts
);
3005 qemu_add_opts(&qemu_mem_opts
);
3006 qemu_add_opts(&qemu_smp_opts
);
3007 qemu_add_opts(&qemu_boot_opts
);
3008 qemu_add_opts(&qemu_sandbox_opts
);
3009 qemu_add_opts(&qemu_add_fd_opts
);
3010 qemu_add_opts(&qemu_object_opts
);
3011 qemu_add_opts(&qemu_tpmdev_opts
);
3012 qemu_add_opts(&qemu_realtime_opts
);
3013 qemu_add_opts(&qemu_msg_opts
);
3014 qemu_add_opts(&qemu_name_opts
);
3015 qemu_add_opts(&qemu_numa_opts
);
3016 qemu_add_opts(&qemu_icount_opts
);
3017 qemu_add_opts(&qemu_semihosting_config_opts
);
3018 qemu_add_opts(&qemu_fw_cfg_opts
);
3022 rtc_clock
= QEMU_CLOCK_HOST
;
3024 QLIST_INIT (&vm_change_state_head
);
3025 os_setup_early_signal_handling();
3027 module_call_init(MODULE_INIT_MACHINE
);
3028 machine_class
= find_default_machine();
3031 cyls
= heads
= secs
= 0;
3032 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3036 bdrv_init_with_whitelist();
3040 /* first pass of option parsing */
3042 while (optind
< argc
) {
3043 if (argv
[optind
][0] != '-') {
3047 const QEMUOption
*popt
;
3049 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3050 switch (popt
->index
) {
3051 case QEMU_OPTION_nodefconfig
:
3054 case QEMU_OPTION_nouserconfig
:
3063 ret
= qemu_read_default_config_files(userconfig
);
3069 /* second pass of option parsing */
3074 if (argv
[optind
][0] != '-') {
3075 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3077 const QEMUOption
*popt
;
3079 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3080 if (!(popt
->arch_mask
& arch_type
)) {
3081 printf("Option %s not supported for this target\n", popt
->name
);
3084 switch(popt
->index
) {
3085 case QEMU_OPTION_no_kvm_irqchip
: {
3086 olist
= qemu_find_opts("machine");
3087 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3090 case QEMU_OPTION_cpu
:
3091 /* hw initialization will check this */
3094 case QEMU_OPTION_hda
:
3098 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3100 snprintf(buf
, sizeof(buf
),
3101 "%s,cyls=%d,heads=%d,secs=%d%s",
3102 HD_OPTS
, cyls
, heads
, secs
,
3103 translation
== BIOS_ATA_TRANSLATION_LBA
?
3105 translation
== BIOS_ATA_TRANSLATION_NONE
?
3106 ",trans=none" : "");
3107 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3110 case QEMU_OPTION_hdb
:
3111 case QEMU_OPTION_hdc
:
3112 case QEMU_OPTION_hdd
:
3113 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3116 case QEMU_OPTION_drive
:
3117 if (drive_def(optarg
) == NULL
) {
3121 case QEMU_OPTION_set
:
3122 if (qemu_set_option(optarg
) != 0)
3125 case QEMU_OPTION_global
:
3126 if (qemu_global_option(optarg
) != 0)
3129 case QEMU_OPTION_mtdblock
:
3130 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3132 case QEMU_OPTION_sd
:
3133 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3135 case QEMU_OPTION_pflash
:
3136 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3138 case QEMU_OPTION_snapshot
:
3141 case QEMU_OPTION_hdachs
:
3145 cyls
= strtol(p
, (char **)&p
, 0);
3146 if (cyls
< 1 || cyls
> 16383)
3151 heads
= strtol(p
, (char **)&p
, 0);
3152 if (heads
< 1 || heads
> 16)
3157 secs
= strtol(p
, (char **)&p
, 0);
3158 if (secs
< 1 || secs
> 63)
3162 if (!strcmp(p
, "large")) {
3163 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3164 } else if (!strcmp(p
, "rechs")) {
3165 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3166 } else if (!strcmp(p
, "none")) {
3167 translation
= BIOS_ATA_TRANSLATION_NONE
;
3168 } else if (!strcmp(p
, "lba")) {
3169 translation
= BIOS_ATA_TRANSLATION_LBA
;
3170 } else if (!strcmp(p
, "auto")) {
3171 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3175 } else if (*p
!= '\0') {
3177 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3180 if (hda_opts
!= NULL
) {
3181 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3183 qemu_opt_set_number(hda_opts
, "heads", heads
,
3185 qemu_opt_set_number(hda_opts
, "secs", secs
,
3187 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3188 qemu_opt_set(hda_opts
, "trans", "large",
3190 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3191 qemu_opt_set(hda_opts
, "trans", "rechs",
3193 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3194 qemu_opt_set(hda_opts
, "trans", "lba",
3196 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3197 qemu_opt_set(hda_opts
, "trans", "none",
3203 case QEMU_OPTION_numa
:
3204 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3210 case QEMU_OPTION_display
:
3211 display_type
= select_display(optarg
);
3213 case QEMU_OPTION_nographic
:
3214 display_type
= DT_NOGRAPHIC
;
3216 case QEMU_OPTION_curses
:
3217 #ifdef CONFIG_CURSES
3218 display_type
= DT_CURSES
;
3220 fprintf(stderr
, "Curses support is disabled\n");
3224 case QEMU_OPTION_portrait
:
3225 graphic_rotate
= 90;
3227 case QEMU_OPTION_rotate
:
3228 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3229 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3230 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3232 "qemu: only 90, 180, 270 deg rotation is available\n");
3236 case QEMU_OPTION_kernel
:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3240 case QEMU_OPTION_initrd
:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3244 case QEMU_OPTION_append
:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3248 case QEMU_OPTION_dtb
:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3252 case QEMU_OPTION_cdrom
:
3253 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3255 case QEMU_OPTION_boot
:
3256 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3262 case QEMU_OPTION_fda
:
3263 case QEMU_OPTION_fdb
:
3264 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3267 case QEMU_OPTION_no_fd_bootchk
:
3270 case QEMU_OPTION_netdev
:
3271 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3275 case QEMU_OPTION_net
:
3276 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3280 #ifdef CONFIG_LIBISCSI
3281 case QEMU_OPTION_iscsi
:
3282 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3290 case QEMU_OPTION_tftp
:
3291 legacy_tftp_prefix
= optarg
;
3293 case QEMU_OPTION_bootp
:
3294 legacy_bootp_filename
= optarg
;
3296 case QEMU_OPTION_redir
:
3297 if (net_slirp_redir(optarg
) < 0)
3301 case QEMU_OPTION_bt
:
3302 add_device_config(DEV_BT
, optarg
);
3304 case QEMU_OPTION_audio_help
:
3308 case QEMU_OPTION_soundhw
:
3309 select_soundhw (optarg
);
3314 case QEMU_OPTION_version
:
3319 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3326 case QEMU_OPTION_tpmdev
:
3327 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3332 case QEMU_OPTION_mempath
:
3335 case QEMU_OPTION_mem_prealloc
:
3345 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3347 case QEMU_OPTION_gdb
:
3348 add_device_config(DEV_GDB
, optarg
);
3351 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3352 data_dir
[data_dir_idx
++] = optarg
;
3355 case QEMU_OPTION_bios
:
3356 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3359 case QEMU_OPTION_singlestep
:
3366 keyboard_layout
= optarg
;
3368 case QEMU_OPTION_localtime
:
3371 case QEMU_OPTION_vga
:
3380 w
= strtol(p
, (char **)&p
, 10);
3383 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3389 h
= strtol(p
, (char **)&p
, 10);
3394 depth
= strtol(p
, (char **)&p
, 10);
3395 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3396 depth
!= 24 && depth
!= 32)
3398 } else if (*p
== '\0') {
3399 depth
= graphic_depth
;
3406 graphic_depth
= depth
;
3409 case QEMU_OPTION_echr
:
3412 term_escape_char
= strtol(optarg
, &r
, 0);
3414 printf("Bad argument to echr\n");
3417 case QEMU_OPTION_monitor
:
3418 default_monitor
= 0;
3419 if (strncmp(optarg
, "none", 4)) {
3420 monitor_parse(optarg
, "readline", false);
3423 case QEMU_OPTION_qmp
:
3424 monitor_parse(optarg
, "control", false);
3425 default_monitor
= 0;
3427 case QEMU_OPTION_qmp_pretty
:
3428 monitor_parse(optarg
, "control", true);
3429 default_monitor
= 0;
3431 case QEMU_OPTION_mon
:
3432 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3437 default_monitor
= 0;
3439 case QEMU_OPTION_chardev
:
3440 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3446 case QEMU_OPTION_fsdev
:
3447 olist
= qemu_find_opts("fsdev");
3449 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3452 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3457 case QEMU_OPTION_virtfs
: {
3460 const char *writeout
, *sock_fd
, *socket
;
3462 olist
= qemu_find_opts("virtfs");
3464 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3467 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3472 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3473 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3474 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3477 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3478 qemu_opt_get(opts
, "mount_tag"),
3481 fprintf(stderr
, "duplicate fsdev id: %s\n",
3482 qemu_opt_get(opts
, "mount_tag"));
3486 writeout
= qemu_opt_get(opts
, "writeout");
3488 #ifdef CONFIG_SYNC_FILE_RANGE
3489 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3491 fprintf(stderr
, "writeout=immediate not supported on "
3496 qemu_opt_set(fsdev
, "fsdriver",
3497 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3498 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3500 qemu_opt_set(fsdev
, "security_model",
3501 qemu_opt_get(opts
, "security_model"),
3503 socket
= qemu_opt_get(opts
, "socket");
3505 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3507 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3509 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3512 qemu_opt_set_bool(fsdev
, "readonly",
3513 qemu_opt_get_bool(opts
, "readonly", 0),
3515 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3517 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3518 qemu_opt_set(device
, "fsdev",
3519 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3520 qemu_opt_set(device
, "mount_tag",
3521 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3524 case QEMU_OPTION_virtfs_synth
: {
3528 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3531 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3534 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3536 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3538 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3539 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3540 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3543 case QEMU_OPTION_serial
:
3544 add_device_config(DEV_SERIAL
, optarg
);
3546 if (strncmp(optarg
, "mon:", 4) == 0) {
3547 default_monitor
= 0;
3550 case QEMU_OPTION_watchdog
:
3553 "qemu: only one watchdog option may be given\n");
3558 case QEMU_OPTION_watchdog_action
:
3559 if (select_watchdog_action(optarg
) == -1) {
3560 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3564 case QEMU_OPTION_virtiocon
:
3565 add_device_config(DEV_VIRTCON
, optarg
);
3566 default_virtcon
= 0;
3567 if (strncmp(optarg
, "mon:", 4) == 0) {
3568 default_monitor
= 0;
3571 case QEMU_OPTION_parallel
:
3572 add_device_config(DEV_PARALLEL
, optarg
);
3573 default_parallel
= 0;
3574 if (strncmp(optarg
, "mon:", 4) == 0) {
3575 default_monitor
= 0;
3578 case QEMU_OPTION_debugcon
:
3579 add_device_config(DEV_DEBUGCON
, optarg
);
3581 case QEMU_OPTION_loadvm
:
3584 case QEMU_OPTION_full_screen
:
3587 case QEMU_OPTION_no_frame
:
3590 case QEMU_OPTION_alt_grab
:
3593 case QEMU_OPTION_ctrl_grab
:
3596 case QEMU_OPTION_no_quit
:
3599 case QEMU_OPTION_sdl
:
3601 display_type
= DT_SDL
;
3604 fprintf(stderr
, "SDL support is disabled\n");
3607 case QEMU_OPTION_pidfile
:
3610 case QEMU_OPTION_win2k_hack
:
3611 win2k_install_hack
= 1;
3613 case QEMU_OPTION_rtc_td_hack
: {
3614 static GlobalProperty slew_lost_ticks
[] = {
3616 .driver
= "mc146818rtc",
3617 .property
= "lost_tick_policy",
3620 { /* end of list */ }
3623 qdev_prop_register_global_list(slew_lost_ticks
);
3626 case QEMU_OPTION_acpitable
:
3627 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3632 do_acpitable_option(opts
);
3634 case QEMU_OPTION_smbios
:
3635 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3640 do_smbios_option(opts
);
3642 case QEMU_OPTION_fwcfg
:
3643 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3649 case QEMU_OPTION_enable_kvm
:
3650 olist
= qemu_find_opts("machine");
3651 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3654 case QEMU_OPTION_machine
:
3655 olist
= qemu_find_opts("machine");
3656 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3661 case QEMU_OPTION_no_kvm
:
3662 olist
= qemu_find_opts("machine");
3663 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3665 case QEMU_OPTION_no_kvm_pit
: {
3666 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3670 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3671 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3673 .driver
= "kvm-pit",
3674 .property
= "lost_tick_policy",
3677 { /* end of list */ }
3680 fprintf(stderr
, "Warning: option deprecated, use "
3681 "lost_tick_policy property of kvm-pit instead.\n");
3682 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3685 case QEMU_OPTION_usb
:
3686 olist
= qemu_find_opts("machine");
3687 qemu_opts_parse_noisily(olist
, "usb=on", false);
3689 case QEMU_OPTION_usbdevice
:
3690 olist
= qemu_find_opts("machine");
3691 qemu_opts_parse_noisily(olist
, "usb=on", false);
3692 add_device_config(DEV_USB
, optarg
);
3694 case QEMU_OPTION_device
:
3695 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3700 case QEMU_OPTION_smp
:
3701 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3706 case QEMU_OPTION_vnc
:
3709 Error
*local_err
= NULL
;
3711 if (vnc_parse(optarg
, &local_err
) == NULL
) {
3712 error_report_err(local_err
);
3716 fprintf(stderr
, "VNC support is disabled\n");
3721 case QEMU_OPTION_no_acpi
:
3724 case QEMU_OPTION_no_hpet
:
3727 case QEMU_OPTION_balloon
:
3728 if (balloon_parse(optarg
) < 0) {
3729 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3733 case QEMU_OPTION_no_reboot
:
3736 case QEMU_OPTION_no_shutdown
:
3739 case QEMU_OPTION_show_cursor
:
3742 case QEMU_OPTION_uuid
:
3743 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3744 fprintf(stderr
, "Fail to parse UUID string."
3745 " Wrong format.\n");
3748 qemu_uuid_set
= true;
3750 case QEMU_OPTION_option_rom
:
3751 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3752 fprintf(stderr
, "Too many option ROMs\n");
3755 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3760 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3761 option_rom
[nb_option_roms
].bootindex
=
3762 qemu_opt_get_number(opts
, "bootindex", -1);
3763 if (!option_rom
[nb_option_roms
].name
) {
3764 fprintf(stderr
, "Option ROM file is not specified\n");
3769 case QEMU_OPTION_semihosting
:
3770 semihosting
.enabled
= true;
3771 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3773 case QEMU_OPTION_semihosting_config
:
3774 semihosting
.enabled
= true;
3775 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3778 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3780 const char *target
= qemu_opt_get(opts
, "target");
3781 if (target
!= NULL
) {
3782 if (strcmp("native", target
) == 0) {
3783 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3784 } else if (strcmp("gdb", target
) == 0) {
3785 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3786 } else if (strcmp("auto", target
) == 0) {
3787 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3789 fprintf(stderr
, "Unsupported semihosting-config"
3795 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3797 /* Set semihosting argument count and vector */
3798 qemu_opt_foreach(opts
, add_semihosting_arg
,
3799 &semihosting
, NULL
);
3801 fprintf(stderr
, "Unsupported semihosting-config %s\n",
3806 case QEMU_OPTION_tdf
:
3807 fprintf(stderr
, "Warning: user space PIT time drift fix "
3808 "is no longer supported.\n");
3810 case QEMU_OPTION_name
:
3811 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3817 case QEMU_OPTION_prom_env
:
3818 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3819 fprintf(stderr
, "Too many prom variables\n");
3822 prom_envs
[nb_prom_envs
] = optarg
;
3825 case QEMU_OPTION_old_param
:
3828 case QEMU_OPTION_clock
:
3829 /* Clock options no longer exist. Keep this option for
3830 * backward compatibility.
3833 case QEMU_OPTION_startdate
:
3834 configure_rtc_date_offset(optarg
, 1);
3836 case QEMU_OPTION_rtc
:
3837 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3842 configure_rtc(opts
);
3844 case QEMU_OPTION_tb_size
:
3845 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3846 if (tcg_tb_size
< 0) {
3850 case QEMU_OPTION_icount
:
3851 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3857 case QEMU_OPTION_incoming
:
3859 runstate_set(RUN_STATE_INMIGRATE
);
3863 case QEMU_OPTION_nodefaults
:
3866 case QEMU_OPTION_xen_domid
:
3867 if (!(xen_available())) {
3868 printf("Option %s not supported for this target\n", popt
->name
);
3871 xen_domid
= atoi(optarg
);
3873 case QEMU_OPTION_xen_create
:
3874 if (!(xen_available())) {
3875 printf("Option %s not supported for this target\n", popt
->name
);
3878 xen_mode
= XEN_CREATE
;
3880 case QEMU_OPTION_xen_attach
:
3881 if (!(xen_available())) {
3882 printf("Option %s not supported for this target\n", popt
->name
);
3885 xen_mode
= XEN_ATTACH
;
3887 case QEMU_OPTION_trace
:
3889 opts
= qemu_opts_parse_noisily(qemu_find_opts("trace"),
3894 trace_events
= qemu_opt_get(opts
, "events");
3895 trace_file
= qemu_opt_get(opts
, "file");
3898 case QEMU_OPTION_readconfig
:
3900 int ret
= qemu_read_config_file(optarg
);
3902 fprintf(stderr
, "read config %s: %s\n", optarg
,
3908 case QEMU_OPTION_spice
:
3909 olist
= qemu_find_opts("spice");
3911 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3914 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3920 case QEMU_OPTION_writeconfig
:
3923 if (strcmp(optarg
, "-") == 0) {
3926 fp
= fopen(optarg
, "w");
3928 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3932 qemu_config_write(fp
);
3938 case QEMU_OPTION_qtest
:
3939 qtest_chrdev
= optarg
;
3941 case QEMU_OPTION_qtest_log
:
3944 case QEMU_OPTION_sandbox
:
3945 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3951 case QEMU_OPTION_add_fd
:
3953 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3959 error_report("File descriptor passing is disabled on this "
3964 case QEMU_OPTION_object
:
3965 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3971 case QEMU_OPTION_realtime
:
3972 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3977 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3979 case QEMU_OPTION_msg
:
3980 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3985 configure_msg(opts
);
3987 case QEMU_OPTION_dump_vmstate
:
3988 if (vmstate_dump_file
) {
3989 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3990 "option may be given\n");
3993 vmstate_dump_file
= fopen(optarg
, "w");
3994 if (vmstate_dump_file
== NULL
) {
3995 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
4000 os_parse_cmd_args(popt
->index
, optarg
);
4005 opts
= qemu_get_machine_opts();
4006 optarg
= qemu_opt_get(opts
, "type");
4008 machine_class
= machine_parse(optarg
);
4011 if (machine_class
== NULL
) {
4012 fprintf(stderr
, "No machine specified, and there is no default.\n"
4013 "Use -machine help to list supported machines!\n");
4017 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4023 if (qemu_init_main_loop(&main_loop_err
)) {
4024 error_report_err(main_loop_err
);
4028 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4029 parse_sandbox
, NULL
, NULL
)) {
4033 if (qemu_opts_foreach(qemu_find_opts("name"),
4034 parse_name
, NULL
, NULL
)) {
4039 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4040 parse_add_fd
, NULL
, NULL
)) {
4044 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4045 cleanup_add_fd
, NULL
, NULL
)) {
4050 current_machine
= MACHINE(object_new(object_class_get_name(
4051 OBJECT_CLASS(machine_class
))));
4052 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4055 object_property_add_child(object_get_root(), "machine",
4056 OBJECT(current_machine
), &error_abort
);
4057 cpu_exec_init_all();
4059 if (machine_class
->hw_version
) {
4060 qemu_set_version(machine_class
->hw_version
);
4063 /* Init CPU def lists, based on config
4064 * - Must be called after all the qemu_read_config_file() calls
4065 * - Must be called before list_cpus()
4066 * - Must be called before machine->init()
4070 if (cpu_model
&& is_help_option(cpu_model
)) {
4071 list_cpus(stdout
, &fprintf
, cpu_model
);
4075 /* Open the logfile at this point and set the log mask if necessary.
4078 qemu_set_log_filename(log_file
);
4083 mask
= qemu_str_to_log_mask(log_mask
);
4085 qemu_print_log_usage(stdout
);
4091 if (!is_daemonized()) {
4092 if (!trace_init_backends(trace_events
, trace_file
)) {
4097 /* If no data_dir is specified then try to find it relative to the
4099 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4100 data_dir
[data_dir_idx
] = os_find_datadir();
4101 if (data_dir
[data_dir_idx
] != NULL
) {
4105 /* If all else fails use the install path specified when building. */
4106 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4107 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4110 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4112 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4113 if (max_cpus
> machine_class
->max_cpus
) {
4114 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4115 "supported by machine `%s' (%d)\n", max_cpus
,
4116 machine_class
->name
, machine_class
->max_cpus
);
4121 * Get the default machine options from the machine if it is not already
4122 * specified either by the configuration file or by the command line.
4124 if (machine_class
->default_machine_opts
) {
4125 qemu_opts_set_defaults(qemu_find_opts("machine"),
4126 machine_class
->default_machine_opts
, 0);
4129 qemu_opts_foreach(qemu_find_opts("device"),
4130 default_driver_check
, NULL
, NULL
);
4131 qemu_opts_foreach(qemu_find_opts("global"),
4132 default_driver_check
, NULL
, NULL
);
4134 if (!vga_model
&& !default_vga
) {
4135 vga_interface_type
= VGA_DEVICE
;
4137 if (!has_defaults
|| machine_class
->no_serial
) {
4140 if (!has_defaults
|| machine_class
->no_parallel
) {
4141 default_parallel
= 0;
4143 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4144 default_virtcon
= 0;
4146 if (!has_defaults
|| !machine_class
->use_sclp
) {
4149 if (!has_defaults
|| machine_class
->no_floppy
) {
4152 if (!has_defaults
|| machine_class
->no_cdrom
) {
4155 if (!has_defaults
|| machine_class
->no_sdcard
) {
4158 if (!has_defaults
) {
4159 default_monitor
= 0;
4164 if (is_daemonized()) {
4165 /* According to documentation and historically, -nographic redirects
4166 * serial port, parallel port and monitor to stdio, which does not work
4167 * with -daemonize. We can redirect these to null instead, but since
4168 * -nographic is legacy, let's just error out.
4169 * We disallow -nographic only if all other ports are not redirected
4170 * explicitly, to not break existing legacy setups which uses
4171 * -nographic _and_ redirects all ports explicitly - this is valid
4172 * usage, -nographic is just a no-op in this case.
4174 if (display_type
== DT_NOGRAPHIC
4175 && (default_parallel
|| default_serial
4176 || default_monitor
|| default_virtcon
)) {
4177 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4180 #ifdef CONFIG_CURSES
4181 if (display_type
== DT_CURSES
) {
4182 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4188 if (display_type
== DT_NOGRAPHIC
) {
4189 if (default_parallel
)
4190 add_device_config(DEV_PARALLEL
, "null");
4191 if (default_serial
&& default_monitor
) {
4192 add_device_config(DEV_SERIAL
, "mon:stdio");
4193 } else if (default_virtcon
&& default_monitor
) {
4194 add_device_config(DEV_VIRTCON
, "mon:stdio");
4195 } else if (default_sclp
&& default_monitor
) {
4196 add_device_config(DEV_SCLP
, "mon:stdio");
4199 add_device_config(DEV_SERIAL
, "stdio");
4200 if (default_virtcon
)
4201 add_device_config(DEV_VIRTCON
, "stdio");
4203 add_device_config(DEV_SCLP
, "stdio");
4205 if (default_monitor
)
4206 monitor_parse("stdio", "readline", false);
4210 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4211 if (default_parallel
)
4212 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4213 if (default_monitor
)
4214 monitor_parse("vc:80Cx24C", "readline", false);
4215 if (default_virtcon
)
4216 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4218 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4222 #if defined(CONFIG_VNC)
4223 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4227 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4228 #if defined(CONFIG_GTK)
4229 display_type
= DT_GTK
;
4230 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4231 display_type
= DT_SDL
;
4232 #elif defined(CONFIG_VNC)
4233 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4236 display_type
= DT_NONE
;
4240 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4241 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4242 "for SDL, ignoring option\n");
4244 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4245 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4246 "ignoring option\n");
4249 #if defined(CONFIG_GTK)
4250 if (display_type
== DT_GTK
) {
4251 early_gtk_display_init(request_opengl
);
4254 #if defined(CONFIG_SDL)
4255 if (display_type
== DT_SDL
) {
4256 sdl_display_early_init(request_opengl
);
4259 if (request_opengl
== 1 && display_opengl
== 0) {
4260 #if defined(CONFIG_OPENGL)
4261 fprintf(stderr
, "OpenGL is not supported by the display.\n");
4263 fprintf(stderr
, "QEMU was built without opengl support.\n");
4270 if (qemu_opts_foreach(qemu_find_opts("object"),
4272 object_create_initial
, NULL
)) {
4276 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4277 chardev_init_func
, NULL
, NULL
)) {
4281 #ifdef CONFIG_VIRTFS
4282 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4283 fsdev_init_func
, NULL
, NULL
)) {
4288 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4289 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4293 if (qemu_opts_foreach(qemu_find_opts("device"),
4294 device_help_func
, NULL
, NULL
)) {
4298 if (qemu_opts_foreach(qemu_find_opts("object"),
4300 object_create_delayed
, NULL
)) {
4304 machine_opts
= qemu_get_machine_opts();
4305 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4307 object_unref(OBJECT(current_machine
));
4311 configure_accelerator(current_machine
);
4314 Error
*local_err
= NULL
;
4315 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4317 error_report_err(local_err
);
4322 machine_opts
= qemu_get_machine_opts();
4323 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4324 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4325 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4326 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4328 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4330 Error
*local_err
= NULL
;
4332 boot_order
= qemu_opt_get(opts
, "order");
4334 validate_bootdevices(boot_order
, &local_err
);
4336 error_report_err(local_err
);
4341 boot_once
= qemu_opt_get(opts
, "once");
4343 validate_bootdevices(boot_once
, &local_err
);
4345 error_report_err(local_err
);
4350 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4351 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4355 boot_order
= machine_class
->default_boot_order
;
4358 if (!kernel_cmdline
) {
4359 kernel_cmdline
= "";
4360 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4363 linux_boot
= (kernel_filename
!= NULL
);
4365 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4366 fprintf(stderr
, "-append only allowed with -kernel option\n");
4370 if (!linux_boot
&& initrd_filename
!= NULL
) {
4371 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4375 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4376 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4380 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4381 /* fall back to the -kernel/-append */
4382 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4385 os_set_line_buffering();
4388 /* spice needs the timers to be initialized by this point */
4394 if (kvm_enabled() || xen_enabled()) {
4395 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4398 configure_icount(icount_opts
, &error_abort
);
4399 qemu_opts_del(icount_opts
);
4402 /* clean up network at qemu process termination */
4403 atexit(&net_cleanup
);
4405 if (net_init_clients() < 0) {
4410 if (tpm_init() < 0) {
4415 /* init the bluetooth world */
4416 if (foreach_device_config(DEV_BT
, bt_parse
))
4419 if (!xen_enabled()) {
4420 /* On 32-bit hosts, QEMU is limited by virtual address space */
4421 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4422 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4430 /* If the currently selected machine wishes to override the units-per-bus
4431 * property of its default HBA interface type, do so now. */
4432 if (machine_class
->units_per_default_bus
) {
4433 override_max_devs(machine_class
->block_default_type
,
4434 machine_class
->units_per_default_bus
);
4437 /* open the virtual block devices */
4439 qemu_opts_foreach(qemu_find_opts("drive"),
4440 drive_enable_snapshot
, NULL
, NULL
);
4441 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4442 &machine_class
->block_default_type
, NULL
)) {
4446 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4448 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4449 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4451 parse_numa_opts(machine_class
);
4453 if (qemu_opts_foreach(qemu_find_opts("mon"),
4454 mon_init_func
, NULL
, NULL
)) {
4458 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4460 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4462 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4464 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4467 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4470 /* If no default VGA is requested, the default is "none". */
4472 if (machine_class
->default_display
) {
4473 vga_model
= machine_class
->default_display
;
4474 } else if (cirrus_vga_available()) {
4475 vga_model
= "cirrus";
4476 } else if (vga_available()) {
4481 select_vgahw(vga_model
);
4485 i
= select_watchdog(watchdog
);
4487 exit (i
== 1 ? 1 : 0);
4490 if (machine_class
->compat_props
) {
4491 qdev_prop_register_global_list(machine_class
->compat_props
);
4495 qdev_machine_init();
4497 current_machine
->ram_size
= ram_size
;
4498 current_machine
->maxram_size
= maxram_size
;
4499 current_machine
->ram_slots
= ram_slots
;
4500 current_machine
->boot_order
= boot_order
;
4501 current_machine
->cpu_model
= cpu_model
;
4503 machine_class
->init(current_machine
);
4509 cpu_synchronize_all_post_init();
4511 numa_post_machine_init();
4513 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4514 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4518 /* init USB devices */
4519 if (usb_enabled()) {
4520 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4524 /* init generic devices */
4525 if (qemu_opts_foreach(qemu_find_opts("device"),
4526 device_init_func
, NULL
, NULL
)) {
4530 /* Did we create any drives that we failed to create a device for? */
4531 drive_check_orphaned();
4533 net_check_clients();
4536 Error
*local_err
= NULL
;
4537 qemu_boot_set(boot_once
, &local_err
);
4539 error_report("%s", error_get_pretty(local_err
));
4542 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4545 ds
= init_displaystate();
4547 /* init local displays */
4548 switch (display_type
) {
4550 (void)ds
; /* avoid warning if no display is configured */
4552 #if defined(CONFIG_CURSES)
4554 curses_display_init(ds
, full_screen
);
4557 #if defined(CONFIG_SDL)
4559 sdl_display_init(ds
, full_screen
, no_frame
);
4561 #elif defined(CONFIG_COCOA)
4563 cocoa_display_init(ds
, full_screen
);
4566 #if defined(CONFIG_GTK)
4568 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4575 /* must be after terminal init, SDL library changes signal handlers */
4576 os_setup_signal_handling();
4579 /* init remote displays */
4580 qemu_opts_foreach(qemu_find_opts("vnc"),
4581 vnc_init_func
, NULL
, NULL
);
4582 if (show_vnc_port
) {
4583 char *ret
= vnc_display_local_addr("default");
4584 printf("VNC server running on `%s'\n", ret
);
4590 qemu_spice_display_init();
4594 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4598 qdev_machine_creation_done();
4600 if (rom_load_all() != 0) {
4601 fprintf(stderr
, "rom loading failed\n");
4605 /* TODO: once all bus devices are qdevified, this should be done
4606 * when bus is created by qdev.c */
4607 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4608 qemu_run_machine_init_done_notifiers();
4610 /* Done notifiers can load ROMs */
4613 qemu_system_reset(VMRESET_SILENT
);
4615 if (load_vmstate(loadvm
) < 0) {
4620 qdev_prop_check_globals();
4621 if (vmstate_dump_file
) {
4623 dump_vmstate_json_to_file(vmstate_dump_file
);
4627 register_global_state();
4629 Error
*local_err
= NULL
;
4630 qemu_start_incoming_migration(incoming
, &local_err
);
4632 error_report("-incoming %s: %s", incoming
,
4633 error_get_pretty(local_err
));
4634 error_free(local_err
);
4637 } else if (autostart
) {
4643 if (is_daemonized()) {
4644 if (!trace_init_backends(trace_events
, trace_file
)) {