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/smbios/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"
124 #include "crypto/init.h"
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
129 static const char *data_dir
[16];
130 static int data_dir_idx
;
131 const char *bios_name
= NULL
;
132 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
133 DisplayType display_type
= DT_DEFAULT
;
134 int request_opengl
= -1;
136 static int display_remote
;
137 const char* keyboard_layout
= NULL
;
139 const char *mem_path
= NULL
;
140 int mem_prealloc
= 0; /* force preallocation of physical target memory */
141 bool enable_mlock
= false;
143 NICInfo nd_table
[MAX_NICS
];
145 static int rtc_utc
= 1;
146 static int rtc_date_offset
= -1; /* -1 means no change */
147 QEMUClockType rtc_clock
;
148 int vga_interface_type
= VGA_NONE
;
149 static int full_screen
= 0;
150 static int no_frame
= 0;
153 static bool grab_on_hover
;
155 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
156 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
157 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
158 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
159 int win2k_install_hack
= 0;
165 int acpi_enabled
= 1;
168 static int no_reboot
;
171 int graphic_rotate
= 0;
172 const char *watchdog
;
173 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
176 const char *qemu_name
;
179 unsigned int nb_prom_envs
= 0;
180 const char *prom_envs
[MAX_PROM_ENVS
];
183 uint8_t *boot_splash_filedata
;
184 size_t boot_splash_filedata_size
;
185 uint8_t qemu_extra_params_fw
[2];
187 int icount_align_option
;
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 uint8_t qemu_uuid
[16];
195 static NotifierList exit_notifiers
=
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
198 static NotifierList machine_init_done_notifiers
=
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
203 enum xen_mode xen_mode
= XEN_EMULATE
;
205 static int has_defaults
= 1;
206 static int default_serial
= 1;
207 static int default_parallel
= 1;
208 static int default_virtcon
= 1;
209 static int default_sclp
= 1;
210 static int default_monitor
= 1;
211 static int default_floppy
= 1;
212 static int default_cdrom
= 1;
213 static int default_sdcard
= 1;
214 static int default_vga
= 1;
220 { .driver
= "isa-serial", .flag
= &default_serial
},
221 { .driver
= "isa-parallel", .flag
= &default_parallel
},
222 { .driver
= "isa-fdc", .flag
= &default_floppy
},
223 { .driver
= "ide-cd", .flag
= &default_cdrom
},
224 { .driver
= "ide-hd", .flag
= &default_cdrom
},
225 { .driver
= "ide-drive", .flag
= &default_cdrom
},
226 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
227 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
228 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
229 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
230 { .driver
= "VGA", .flag
= &default_vga
},
231 { .driver
= "isa-vga", .flag
= &default_vga
},
232 { .driver
= "cirrus-vga", .flag
= &default_vga
},
233 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
234 { .driver
= "vmware-svga", .flag
= &default_vga
},
235 { .driver
= "qxl-vga", .flag
= &default_vga
},
236 { .driver
= "virtio-vga", .flag
= &default_vga
},
239 static QemuOptsList qemu_rtc_opts
= {
241 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
245 .type
= QEMU_OPT_STRING
,
248 .type
= QEMU_OPT_STRING
,
251 .type
= QEMU_OPT_STRING
,
253 { /* end of list */ }
257 static QemuOptsList qemu_sandbox_opts
= {
259 .implied_opt_name
= "enable",
260 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
264 .type
= QEMU_OPT_BOOL
,
266 { /* end of list */ }
270 static QemuOptsList qemu_trace_opts
= {
272 .implied_opt_name
= "trace",
273 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
277 .type
= QEMU_OPT_STRING
,
280 .type
= QEMU_OPT_STRING
,
282 { /* end of list */ }
286 static QemuOptsList qemu_option_rom_opts
= {
287 .name
= "option-rom",
288 .implied_opt_name
= "romfile",
289 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
293 .type
= QEMU_OPT_NUMBER
,
296 .type
= QEMU_OPT_STRING
,
298 { /* end of list */ }
302 static QemuOptsList qemu_machine_opts
= {
304 .implied_opt_name
= "type",
306 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
317 static QemuOptsList qemu_boot_opts
= {
319 .implied_opt_name
= "order",
321 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
325 .type
= QEMU_OPT_STRING
,
328 .type
= QEMU_OPT_STRING
,
331 .type
= QEMU_OPT_BOOL
,
334 .type
= QEMU_OPT_STRING
,
336 .name
= "splash-time",
337 .type
= QEMU_OPT_STRING
,
339 .name
= "reboot-timeout",
340 .type
= QEMU_OPT_STRING
,
343 .type
= QEMU_OPT_BOOL
,
349 static QemuOptsList qemu_add_fd_opts
= {
351 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
355 .type
= QEMU_OPT_NUMBER
,
356 .help
= "file descriptor of which a duplicate is added to fd set",
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "ID of the fd set to add fd to",
363 .type
= QEMU_OPT_STRING
,
364 .help
= "free-form string used to describe fd",
366 { /* end of list */ }
370 static QemuOptsList qemu_object_opts
= {
372 .implied_opt_name
= "qom-type",
373 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
379 static QemuOptsList qemu_tpmdev_opts
= {
381 .implied_opt_name
= "type",
382 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
389 static QemuOptsList qemu_realtime_opts
= {
391 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
395 .type
= QEMU_OPT_BOOL
,
397 { /* end of list */ }
401 static QemuOptsList qemu_msg_opts
= {
403 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
407 .type
= QEMU_OPT_BOOL
,
409 { /* end of list */ }
413 static QemuOptsList qemu_name_opts
= {
415 .implied_opt_name
= "guest",
417 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
421 .type
= QEMU_OPT_STRING
,
422 .help
= "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
427 .type
= QEMU_OPT_STRING
,
428 .help
= "Sets the name of the QEMU process, as shown in top etc",
430 .name
= "debug-threads",
431 .type
= QEMU_OPT_BOOL
,
432 .help
= "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
436 { /* End of list */ }
440 static QemuOptsList qemu_mem_opts
= {
442 .implied_opt_name
= "size",
443 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
448 .type
= QEMU_OPT_SIZE
,
452 .type
= QEMU_OPT_NUMBER
,
456 .type
= QEMU_OPT_SIZE
,
458 { /* end of list */ }
462 static QemuOptsList qemu_icount_opts
= {
464 .implied_opt_name
= "shift",
466 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
470 .type
= QEMU_OPT_STRING
,
473 .type
= QEMU_OPT_BOOL
,
476 .type
= QEMU_OPT_BOOL
,
478 { /* end of list */ }
482 static QemuOptsList qemu_semihosting_config_opts
= {
483 .name
= "semihosting-config",
484 .implied_opt_name
= "enable",
485 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
489 .type
= QEMU_OPT_BOOL
,
492 .type
= QEMU_OPT_STRING
,
495 .type
= QEMU_OPT_STRING
,
497 { /* end of list */ }
501 static QemuOptsList qemu_fw_cfg_opts
= {
503 .implied_opt_name
= "name",
504 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
508 .type
= QEMU_OPT_STRING
,
509 .help
= "Sets the fw_cfg name of the blob to be inserted",
512 .type
= QEMU_OPT_STRING
,
513 .help
= "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
517 .type
= QEMU_OPT_STRING
,
518 .help
= "Sets content of the blob to be inserted from a string",
520 { /* end of list */ }
525 * Get machine options
527 * Returns: machine options (never null).
529 QemuOpts
*qemu_get_machine_opts(void)
531 return qemu_find_opts_singleton("machine");
534 const char *qemu_get_vm_name(void)
539 static void res_free(void)
541 g_free(boot_splash_filedata
);
542 boot_splash_filedata
= NULL
;
545 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
547 const char *driver
= qemu_opt_get(opts
, "driver");
552 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
553 if (strcmp(default_list
[i
].driver
, driver
) != 0)
555 *(default_list
[i
].flag
) = 0;
560 /***********************************************************/
563 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
565 /* We use RUN_STATE_MAX but any invalid value will do */
566 static RunState vmstop_requested
= RUN_STATE_MAX
;
567 static QemuMutex vmstop_lock
;
572 } RunStateTransition
;
574 static const RunStateTransition runstate_transitions_def
[] = {
576 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
577 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
579 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
580 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
581 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
582 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
583 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
584 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
585 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
586 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
587 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
590 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
593 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
595 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
596 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
598 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
599 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
602 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
605 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
606 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
608 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
610 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
611 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
612 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
613 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
614 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
615 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
616 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
617 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
618 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
619 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
621 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
623 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
624 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
627 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
628 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
629 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
631 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
632 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
634 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
635 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
637 { RUN_STATE_MAX
, RUN_STATE_MAX
},
640 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
642 bool runstate_check(RunState state
)
644 return current_run_state
== state
;
647 bool runstate_store(char *str
, size_t size
)
649 const char *state
= RunState_lookup
[current_run_state
];
650 size_t len
= strlen(state
) + 1;
655 memcpy(str
, state
, len
);
659 static void runstate_init(void)
661 const RunStateTransition
*p
;
663 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
664 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
665 runstate_valid_transitions
[p
->from
][p
->to
] = true;
668 qemu_mutex_init(&vmstop_lock
);
671 /* This function will abort() on invalid state transitions */
672 void runstate_set(RunState new_state
)
674 assert(new_state
< RUN_STATE_MAX
);
676 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
677 error_report("invalid runstate transition: '%s' -> '%s'",
678 RunState_lookup
[current_run_state
],
679 RunState_lookup
[new_state
]);
682 trace_runstate_set(new_state
);
683 current_run_state
= new_state
;
686 int runstate_is_running(void)
688 return runstate_check(RUN_STATE_RUNNING
);
691 bool runstate_needs_reset(void)
693 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
694 runstate_check(RUN_STATE_SHUTDOWN
);
697 StatusInfo
*qmp_query_status(Error
**errp
)
699 StatusInfo
*info
= g_malloc0(sizeof(*info
));
701 info
->running
= runstate_is_running();
702 info
->singlestep
= singlestep
;
703 info
->status
= current_run_state
;
708 static bool qemu_vmstop_requested(RunState
*r
)
710 qemu_mutex_lock(&vmstop_lock
);
711 *r
= vmstop_requested
;
712 vmstop_requested
= RUN_STATE_MAX
;
713 qemu_mutex_unlock(&vmstop_lock
);
714 return *r
< RUN_STATE_MAX
;
717 void qemu_system_vmstop_request_prepare(void)
719 qemu_mutex_lock(&vmstop_lock
);
722 void qemu_system_vmstop_request(RunState state
)
724 vmstop_requested
= state
;
725 qemu_mutex_unlock(&vmstop_lock
);
733 qemu_vmstop_requested(&requested
);
734 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
738 /* Ensure that a STOP/RESUME pair of events is emitted if a
739 * vmstop request was pending. The BLOCK_IO_ERROR event, for
740 * example, according to documentation is always followed by
743 if (runstate_is_running()) {
744 qapi_event_send_stop(&error_abort
);
747 runstate_set(RUN_STATE_RUNNING
);
748 vm_state_notify(1, RUN_STATE_RUNNING
);
752 qapi_event_send_resume(&error_abort
);
756 /***********************************************************/
757 /* real time host monotonic timer */
759 static time_t qemu_time(void)
761 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
764 /***********************************************************/
765 /* host time/date access */
766 void qemu_get_timedate(struct tm
*tm
, int offset
)
768 time_t ti
= qemu_time();
771 if (rtc_date_offset
== -1) {
775 localtime_r(&ti
, tm
);
777 ti
-= rtc_date_offset
;
782 int qemu_timedate_diff(struct tm
*tm
)
786 if (rtc_date_offset
== -1)
788 seconds
= mktimegm(tm
);
791 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
792 seconds
= mktime(&tmp
);
795 seconds
= mktimegm(tm
) + rtc_date_offset
;
797 return seconds
- qemu_time();
800 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
802 time_t rtc_start_date
;
805 if (!strcmp(startdate
, "now") && legacy
) {
806 rtc_date_offset
= -1;
808 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
816 } else if (sscanf(startdate
, "%d-%d-%d",
828 rtc_start_date
= mktimegm(&tm
);
829 if (rtc_start_date
== -1) {
831 error_report("invalid date format");
832 error_printf("valid formats: "
833 "'2006-06-17T16:01:21' or '2006-06-17'\n");
836 rtc_date_offset
= qemu_time() - rtc_start_date
;
840 static void configure_rtc(QemuOpts
*opts
)
844 value
= qemu_opt_get(opts
, "base");
846 if (!strcmp(value
, "utc")) {
848 } else if (!strcmp(value
, "localtime")) {
851 configure_rtc_date_offset(value
, 0);
854 value
= qemu_opt_get(opts
, "clock");
856 if (!strcmp(value
, "host")) {
857 rtc_clock
= QEMU_CLOCK_HOST
;
858 } else if (!strcmp(value
, "rt")) {
859 rtc_clock
= QEMU_CLOCK_REALTIME
;
860 } else if (!strcmp(value
, "vm")) {
861 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
863 error_report("invalid option value '%s'", value
);
867 value
= qemu_opt_get(opts
, "driftfix");
869 if (!strcmp(value
, "slew")) {
870 static GlobalProperty slew_lost_ticks
[] = {
872 .driver
= "mc146818rtc",
873 .property
= "lost_tick_policy",
876 { /* end of list */ }
879 qdev_prop_register_global_list(slew_lost_ticks
);
880 } else if (!strcmp(value
, "none")) {
881 /* discard is default */
883 error_report("invalid option value '%s'", value
);
889 /***********************************************************/
890 /* Bluetooth support */
893 static struct HCIInfo
*hci_table
[MAX_NICS
];
895 struct HCIInfo
*qemu_next_hci(void)
897 if (cur_hci
== nb_hcis
)
900 return hci_table
[cur_hci
++];
903 static int bt_hci_parse(const char *str
)
908 if (nb_hcis
>= MAX_NICS
) {
909 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
922 bdaddr
.b
[5] = 0x56 + nb_hcis
;
923 hci
->bdaddr_set(hci
, bdaddr
.b
);
925 hci_table
[nb_hcis
++] = hci
;
930 static void bt_vhci_add(int vlan_id
)
932 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
935 error_report("warning: adding a VHCI to an empty scatternet %i",
938 bt_vhci_init(bt_new_hci(vlan
));
941 static struct bt_device_s
*bt_device_add(const char *opt
)
943 struct bt_scatternet_s
*vlan
;
945 char *endp
= strstr(opt
, ",vlan=");
946 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
949 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
952 vlan_id
= strtol(endp
+ 6, &endp
, 0);
954 error_report("unrecognised bluetooth vlan Id");
959 vlan
= qemu_find_bt_vlan(vlan_id
);
962 error_report("warning: adding a slave device to an empty scatternet %i",
965 if (!strcmp(devname
, "keyboard"))
966 return bt_keyboard_init(vlan
);
968 error_report("unsupported bluetooth device '%s'", devname
);
972 static int bt_parse(const char *opt
)
974 const char *endp
, *p
;
977 if (strstart(opt
, "hci", &endp
)) {
978 if (!*endp
|| *endp
== ',') {
980 if (!strstart(endp
, ",vlan=", 0))
983 return bt_hci_parse(opt
);
985 } else if (strstart(opt
, "vhci", &endp
)) {
986 if (!*endp
|| *endp
== ',') {
988 if (strstart(endp
, ",vlan=", &p
)) {
989 vlan
= strtol(p
, (char **) &endp
, 0);
991 error_report("bad scatternet '%s'", p
);
995 error_report("bad parameter '%s'", endp
+ 1);
1004 } else if (strstart(opt
, "device:", &endp
))
1005 return !bt_device_add(endp
);
1007 error_report("bad bluetooth parameter '%s'", opt
);
1011 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1013 /* FIXME: change this to true for 1.3 */
1014 if (qemu_opt_get_bool(opts
, "enable", false)) {
1015 #ifdef CONFIG_SECCOMP
1016 if (seccomp_start() < 0) {
1017 error_report("failed to install seccomp syscall filter "
1022 error_report("sandboxing request but seccomp is not compiled "
1031 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1033 const char *proc_name
;
1035 if (qemu_opt_get(opts
, "debug-threads")) {
1036 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1038 qemu_name
= qemu_opt_get(opts
, "guest");
1040 proc_name
= qemu_opt_get(opts
, "process");
1042 os_set_proc_name(proc_name
);
1048 bool defaults_enabled(void)
1050 return has_defaults
;
1053 bool usb_enabled(void)
1055 return machine_usb(current_machine
);
1059 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1061 int fd
, dupfd
, flags
;
1063 const char *fd_opaque
= NULL
;
1066 fd
= qemu_opt_get_number(opts
, "fd", -1);
1067 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1068 fd_opaque
= qemu_opt_get(opts
, "opaque");
1071 error_report("fd option is required and must be non-negative");
1075 if (fd
<= STDERR_FILENO
) {
1076 error_report("fd cannot be a standard I/O stream");
1081 * All fds inherited across exec() necessarily have FD_CLOEXEC
1082 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1084 flags
= fcntl(fd
, F_GETFD
);
1085 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1086 error_report("fd is not valid or already in use");
1091 error_report("set option is required and must be non-negative");
1095 #ifdef F_DUPFD_CLOEXEC
1096 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1100 qemu_set_cloexec(dupfd
);
1104 error_report("error duplicating fd: %s", strerror(errno
));
1108 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1109 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1116 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1120 fd
= qemu_opt_get_number(opts
, "fd", -1);
1127 /***********************************************************/
1128 /* QEMU Block devices */
1130 #define HD_OPTS "media=disk"
1131 #define CDROM_OPTS "media=cdrom"
1133 #define PFLASH_OPTS ""
1137 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1139 BlockInterfaceType
*block_default_type
= opaque
;
1141 return drive_new(opts
, *block_default_type
) == NULL
;
1144 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1146 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1147 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1152 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1153 int index
, const char *optstr
)
1158 if (!enable
|| drive_get_by_index(type
, index
)) {
1162 opts
= drive_add(type
, index
, NULL
, optstr
);
1164 drive_enable_snapshot(NULL
, opts
, NULL
);
1167 dinfo
= drive_new(opts
, type
);
1171 dinfo
->is_default
= true;
1175 static QemuOptsList qemu_smp_opts
= {
1177 .implied_opt_name
= "cpus",
1178 .merge_lists
= true,
1179 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1183 .type
= QEMU_OPT_NUMBER
,
1186 .type
= QEMU_OPT_NUMBER
,
1189 .type
= QEMU_OPT_NUMBER
,
1192 .type
= QEMU_OPT_NUMBER
,
1195 .type
= QEMU_OPT_NUMBER
,
1197 { /*End of list */ }
1201 static void smp_parse(QemuOpts
*opts
)
1205 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1206 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1207 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1208 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1210 /* compute missing values, prefer sockets over cores over threads */
1211 if (cpus
== 0 || sockets
== 0) {
1212 sockets
= sockets
> 0 ? sockets
: 1;
1213 cores
= cores
> 0 ? cores
: 1;
1214 threads
= threads
> 0 ? threads
: 1;
1216 cpus
= cores
* threads
* sockets
;
1218 } else if (cores
== 0) {
1219 threads
= threads
> 0 ? threads
: 1;
1220 cores
= cpus
/ (sockets
* threads
);
1221 } else if (threads
== 0) {
1222 threads
= cpus
/ (cores
* sockets
);
1223 } else if (sockets
* cores
* threads
< cpus
) {
1224 error_report("cpu topology: "
1225 "sockets (%u) * cores (%u) * threads (%u) < "
1227 sockets
, cores
, threads
, cpus
);
1231 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1232 if (sockets
* cores
* threads
> max_cpus
) {
1233 error_report("cpu topology: "
1234 "sockets (%u) * cores (%u) * threads (%u) > "
1236 sockets
, cores
, threads
, max_cpus
);
1241 smp_cores
= cores
> 0 ? cores
: 1;
1242 smp_threads
= threads
> 0 ? threads
: 1;
1246 if (max_cpus
== 0) {
1247 max_cpus
= smp_cpus
;
1250 if (max_cpus
> MAX_CPUMASK_BITS
) {
1251 error_report("unsupported number of maxcpus");
1254 if (max_cpus
< smp_cpus
) {
1255 error_report("maxcpus must be equal to or greater than smp");
1261 static void realtime_init(void)
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1272 static void configure_msg(QemuOpts
*opts
)
1274 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1277 /***********************************************************/
1280 typedef struct SemihostingConfig
{
1282 SemihostingTarget target
;
1285 const char *cmdline
; /* concatenated argv */
1286 } SemihostingConfig
;
1288 static SemihostingConfig semihosting
;
1290 bool semihosting_enabled(void)
1292 return semihosting
.enabled
;
1295 SemihostingTarget
semihosting_get_target(void)
1297 return semihosting
.target
;
1300 const char *semihosting_get_arg(int i
)
1302 if (i
>= semihosting
.argc
) {
1305 return semihosting
.argv
[i
];
1308 int semihosting_get_argc(void)
1310 return semihosting
.argc
;
1313 const char *semihosting_get_cmdline(void)
1315 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1316 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1318 return semihosting
.cmdline
;
1321 static int add_semihosting_arg(void *opaque
,
1322 const char *name
, const char *val
,
1325 SemihostingConfig
*s
= opaque
;
1326 if (strcmp(name
, "arg") == 0) {
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1330 s
->argv
[s
->argc
- 1] = val
;
1331 s
->argv
[s
->argc
] = NULL
;
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1342 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token
= strtok(g_strdup(cmd
), " ");
1347 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1348 cmd_token
= strtok(NULL
, " ");
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru
;
1354 static void igd_gfx_passthru(void)
1356 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1359 /***********************************************************/
1362 static int usb_device_add(const char *devname
)
1364 USBDevice
*dev
= NULL
;
1365 #ifndef CONFIG_LINUX
1369 if (!usb_enabled()) {
1373 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1374 dev
= usbdevice_create(devname
);
1378 /* the other ones */
1379 #ifndef CONFIG_LINUX
1380 /* only the linux version is qdev-ified, usb-bsd still needs this */
1381 if (strstart(devname
, "host:", &p
)) {
1382 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1392 static int usb_device_del(const char *devname
)
1397 if (strstart(devname
, "host:", &p
)) {
1401 if (!usb_enabled()) {
1405 p
= strchr(devname
, '.');
1408 bus_num
= strtoul(devname
, NULL
, 0);
1409 addr
= strtoul(p
+ 1, NULL
, 0);
1411 return usb_device_delete_addr(bus_num
, addr
);
1414 static int usb_parse(const char *cmdline
)
1417 r
= usb_device_add(cmdline
);
1419 error_report("could not add USB device '%s'", cmdline
);
1424 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1426 const char *devname
= qdict_get_str(qdict
, "devname");
1427 if (usb_device_add(devname
) < 0) {
1428 error_report("could not add USB device '%s'", devname
);
1432 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1434 const char *devname
= qdict_get_str(qdict
, "devname");
1435 if (usb_device_del(devname
) < 0) {
1436 error_report("could not delete USB device '%s'", devname
);
1440 /***********************************************************/
1441 /* machine registration */
1443 MachineState
*current_machine
;
1445 static MachineClass
*find_machine(const char *name
)
1447 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1448 MachineClass
*mc
= NULL
;
1450 for (el
= machines
; el
; el
= el
->next
) {
1451 MachineClass
*temp
= el
->data
;
1453 if (!strcmp(temp
->name
, name
)) {
1458 !strcmp(temp
->alias
, name
)) {
1464 g_slist_free(machines
);
1468 MachineClass
*find_default_machine(void)
1470 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1471 MachineClass
*mc
= NULL
;
1473 for (el
= machines
; el
; el
= el
->next
) {
1474 MachineClass
*temp
= el
->data
;
1476 if (temp
->is_default
) {
1482 g_slist_free(machines
);
1486 MachineInfoList
*qmp_query_machines(Error
**errp
)
1488 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1489 MachineInfoList
*mach_list
= NULL
;
1491 for (el
= machines
; el
; el
= el
->next
) {
1492 MachineClass
*mc
= el
->data
;
1493 MachineInfoList
*entry
;
1496 info
= g_malloc0(sizeof(*info
));
1497 if (mc
->is_default
) {
1498 info
->has_is_default
= true;
1499 info
->is_default
= true;
1503 info
->has_alias
= true;
1504 info
->alias
= g_strdup(mc
->alias
);
1507 info
->name
= g_strdup(mc
->name
);
1508 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1510 entry
= g_malloc0(sizeof(*entry
));
1511 entry
->value
= info
;
1512 entry
->next
= mach_list
;
1516 g_slist_free(machines
);
1520 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1522 ObjectProperty
*prop
;
1524 if (!qemu_opt_has_help_opt(opts
)) {
1528 QTAILQ_FOREACH(prop
, &OBJECT(machine
)->properties
, node
) {
1533 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1534 prop
->name
, prop
->type
);
1535 if (prop
->description
) {
1536 error_printf(" (%s)\n", prop
->description
);
1545 /***********************************************************/
1546 /* main execution loop */
1548 struct vm_change_state_entry
{
1549 VMChangeStateHandler
*cb
;
1551 QLIST_ENTRY (vm_change_state_entry
) entries
;
1554 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1556 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1559 VMChangeStateEntry
*e
;
1561 e
= g_malloc0(sizeof (*e
));
1565 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1569 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1571 QLIST_REMOVE (e
, entries
);
1575 void vm_state_notify(int running
, RunState state
)
1577 VMChangeStateEntry
*e
, *next
;
1579 trace_vm_state_notify(running
, state
);
1581 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1582 e
->cb(e
->opaque
, running
, state
);
1586 /* reset/shutdown handler */
1588 typedef struct QEMUResetEntry
{
1589 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1590 QEMUResetHandler
*func
;
1594 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1595 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1596 static int reset_requested
;
1597 static int shutdown_requested
, shutdown_signal
= -1;
1598 static pid_t shutdown_pid
;
1599 static int powerdown_requested
;
1600 static int debug_requested
;
1601 static int suspend_requested
;
1602 static WakeupReason wakeup_reason
;
1603 static NotifierList powerdown_notifiers
=
1604 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1605 static NotifierList suspend_notifiers
=
1606 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1607 static NotifierList wakeup_notifiers
=
1608 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1609 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1611 int qemu_shutdown_requested_get(void)
1613 return shutdown_requested
;
1616 int qemu_reset_requested_get(void)
1618 return reset_requested
;
1621 static int qemu_shutdown_requested(void)
1623 return atomic_xchg(&shutdown_requested
, 0);
1626 static void qemu_kill_report(void)
1628 if (!qtest_driver() && shutdown_signal
!= -1) {
1629 if (shutdown_pid
== 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1633 error_report("terminating on signal %d", shutdown_signal
);
1635 error_report("terminating on signal %d from pid " FMT_pid
,
1636 shutdown_signal
, shutdown_pid
);
1638 shutdown_signal
= -1;
1642 static int qemu_reset_requested(void)
1644 int r
= reset_requested
;
1645 reset_requested
= 0;
1649 static int qemu_suspend_requested(void)
1651 int r
= suspend_requested
;
1652 suspend_requested
= 0;
1656 static WakeupReason
qemu_wakeup_requested(void)
1658 return wakeup_reason
;
1661 static int qemu_powerdown_requested(void)
1663 int r
= powerdown_requested
;
1664 powerdown_requested
= 0;
1668 static int qemu_debug_requested(void)
1670 int r
= debug_requested
;
1671 debug_requested
= 0;
1675 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1677 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1680 re
->opaque
= opaque
;
1681 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1684 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1688 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1689 if (re
->func
== func
&& re
->opaque
== opaque
) {
1690 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1697 void qemu_devices_reset(void)
1699 QEMUResetEntry
*re
, *nre
;
1701 /* reset all devices */
1702 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1703 re
->func(re
->opaque
);
1707 void qemu_system_reset(bool report
)
1711 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1713 if (mc
&& mc
->reset
) {
1716 qemu_devices_reset();
1719 qapi_event_send_reset(&error_abort
);
1721 cpu_synchronize_all_post_reset();
1724 void qemu_system_guest_panicked(void)
1727 current_cpu
->crash_occurred
= true;
1729 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
, &error_abort
);
1730 vm_stop(RUN_STATE_GUEST_PANICKED
);
1733 void qemu_system_reset_request(void)
1736 shutdown_requested
= 1;
1738 reset_requested
= 1;
1741 qemu_notify_event();
1744 static void qemu_system_suspend(void)
1747 notifier_list_notify(&suspend_notifiers
, NULL
);
1748 runstate_set(RUN_STATE_SUSPENDED
);
1749 qapi_event_send_suspend(&error_abort
);
1752 void qemu_system_suspend_request(void)
1754 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1757 suspend_requested
= 1;
1759 qemu_notify_event();
1762 void qemu_register_suspend_notifier(Notifier
*notifier
)
1764 notifier_list_add(&suspend_notifiers
, notifier
);
1767 void qemu_system_wakeup_request(WakeupReason reason
)
1769 trace_system_wakeup_request(reason
);
1771 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1774 if (!(wakeup_reason_mask
& (1 << reason
))) {
1777 runstate_set(RUN_STATE_RUNNING
);
1778 wakeup_reason
= reason
;
1779 qemu_notify_event();
1782 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1785 wakeup_reason_mask
|= (1 << reason
);
1787 wakeup_reason_mask
&= ~(1 << reason
);
1791 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1793 notifier_list_add(&wakeup_notifiers
, notifier
);
1796 void qemu_system_killed(int signal
, pid_t pid
)
1798 shutdown_signal
= signal
;
1801 qemu_system_shutdown_request();
1804 void qemu_system_shutdown_request(void)
1806 trace_qemu_system_shutdown_request();
1807 shutdown_requested
= 1;
1808 qemu_notify_event();
1811 static void qemu_system_powerdown(void)
1813 qapi_event_send_powerdown(&error_abort
);
1814 notifier_list_notify(&powerdown_notifiers
, NULL
);
1817 void qemu_system_powerdown_request(void)
1819 trace_qemu_system_powerdown_request();
1820 powerdown_requested
= 1;
1821 qemu_notify_event();
1824 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1826 notifier_list_add(&powerdown_notifiers
, notifier
);
1829 void qemu_system_debug_request(void)
1831 debug_requested
= 1;
1832 qemu_notify_event();
1835 static bool main_loop_should_exit(void)
1838 if (qemu_debug_requested()) {
1839 vm_stop(RUN_STATE_DEBUG
);
1841 if (qemu_suspend_requested()) {
1842 qemu_system_suspend();
1844 if (qemu_shutdown_requested()) {
1846 qapi_event_send_shutdown(&error_abort
);
1848 vm_stop(RUN_STATE_SHUTDOWN
);
1853 if (qemu_reset_requested()) {
1855 cpu_synchronize_all_states();
1856 qemu_system_reset(VMRESET_REPORT
);
1858 if (runstate_needs_reset()) {
1859 runstate_set(RUN_STATE_PAUSED
);
1862 if (qemu_wakeup_requested()) {
1864 cpu_synchronize_all_states();
1865 qemu_system_reset(VMRESET_SILENT
);
1866 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1867 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1869 qapi_event_send_wakeup(&error_abort
);
1871 if (qemu_powerdown_requested()) {
1872 qemu_system_powerdown();
1874 if (qemu_vmstop_requested(&r
)) {
1880 static void main_loop(void)
1884 #ifdef CONFIG_PROFILER
1888 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1889 #ifdef CONFIG_PROFILER
1890 ti
= profile_getclock();
1892 last_io
= main_loop_wait(nonblocking
);
1893 #ifdef CONFIG_PROFILER
1894 dev_time
+= profile_getclock() - ti
;
1896 } while (!main_loop_should_exit());
1899 static void version(void)
1901 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1904 static void help(int exitcode
)
1907 printf("usage: %s [options] [disk_image]\n\n"
1908 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1909 error_get_progname());
1911 #define QEMU_OPTIONS_GENERATE_HELP
1912 #include "qemu-options-wrapper.h"
1914 printf("\nDuring emulation, the following keys are useful:\n"
1915 "ctrl-alt-f toggle full screen\n"
1916 "ctrl-alt-n switch to virtual console 'n'\n"
1917 "ctrl-alt toggle mouse and keyboard grab\n"
1919 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1924 #define HAS_ARG 0x0001
1926 typedef struct QEMUOption
{
1933 static const QEMUOption qemu_options
[] = {
1934 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1935 #define QEMU_OPTIONS_GENERATE_OPTIONS
1936 #include "qemu-options-wrapper.h"
1940 static bool vga_available(void)
1942 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1945 static bool cirrus_vga_available(void)
1947 return object_class_by_name("cirrus-vga")
1948 || object_class_by_name("isa-cirrus-vga");
1951 static bool vmware_vga_available(void)
1953 return object_class_by_name("vmware-svga");
1956 static bool qxl_vga_available(void)
1958 return object_class_by_name("qxl-vga");
1961 static bool tcx_vga_available(void)
1963 return object_class_by_name("SUNW,tcx");
1966 static bool cg3_vga_available(void)
1968 return object_class_by_name("cgthree");
1971 static bool virtio_vga_available(void)
1973 return object_class_by_name("virtio-vga");
1976 static void select_vgahw (const char *p
)
1980 assert(vga_interface_type
== VGA_NONE
);
1981 if (strstart(p
, "std", &opts
)) {
1982 if (vga_available()) {
1983 vga_interface_type
= VGA_STD
;
1985 error_report("standard VGA not available");
1988 } else if (strstart(p
, "cirrus", &opts
)) {
1989 if (cirrus_vga_available()) {
1990 vga_interface_type
= VGA_CIRRUS
;
1992 error_report("Cirrus VGA not available");
1995 } else if (strstart(p
, "vmware", &opts
)) {
1996 if (vmware_vga_available()) {
1997 vga_interface_type
= VGA_VMWARE
;
1999 error_report("VMWare SVGA not available");
2002 } else if (strstart(p
, "virtio", &opts
)) {
2003 if (virtio_vga_available()) {
2004 vga_interface_type
= VGA_VIRTIO
;
2006 error_report("Virtio VGA not available");
2009 } else if (strstart(p
, "xenfb", &opts
)) {
2010 vga_interface_type
= VGA_XENFB
;
2011 } else if (strstart(p
, "qxl", &opts
)) {
2012 if (qxl_vga_available()) {
2013 vga_interface_type
= VGA_QXL
;
2015 error_report("QXL VGA not available");
2018 } else if (strstart(p
, "tcx", &opts
)) {
2019 if (tcx_vga_available()) {
2020 vga_interface_type
= VGA_TCX
;
2022 error_report("TCX framebuffer not available");
2025 } else if (strstart(p
, "cg3", &opts
)) {
2026 if (cg3_vga_available()) {
2027 vga_interface_type
= VGA_CG3
;
2029 error_report("CG3 framebuffer not available");
2032 } else if (!strstart(p
, "none", &opts
)) {
2034 error_report("unknown vga type: %s", p
);
2038 const char *nextopt
;
2040 if (strstart(opts
, ",retrace=", &nextopt
)) {
2042 if (strstart(opts
, "dumb", &nextopt
))
2043 vga_retrace_method
= VGA_RETRACE_DUMB
;
2044 else if (strstart(opts
, "precise", &nextopt
))
2045 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2046 else goto invalid_vga
;
2047 } else goto invalid_vga
;
2052 static DisplayType
select_display(const char *p
)
2055 DisplayType display
= DT_DEFAULT
;
2057 if (strstart(p
, "sdl", &opts
)) {
2061 const char *nextopt
;
2063 if (strstart(opts
, ",frame=", &nextopt
)) {
2065 if (strstart(opts
, "on", &nextopt
)) {
2067 } else if (strstart(opts
, "off", &nextopt
)) {
2070 goto invalid_sdl_args
;
2072 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2074 if (strstart(opts
, "on", &nextopt
)) {
2076 } else if (strstart(opts
, "off", &nextopt
)) {
2079 goto invalid_sdl_args
;
2081 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2083 if (strstart(opts
, "on", &nextopt
)) {
2085 } else if (strstart(opts
, "off", &nextopt
)) {
2088 goto invalid_sdl_args
;
2090 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2092 if (strstart(opts
, "on", &nextopt
)) {
2094 } else if (strstart(opts
, "off", &nextopt
)) {
2097 goto invalid_sdl_args
;
2099 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2101 if (strstart(opts
, "on", &nextopt
)) {
2103 } else if (strstart(opts
, "off", &nextopt
)) {
2106 goto invalid_sdl_args
;
2110 error_report("invalid SDL option string");
2116 error_report("SDL support is disabled");
2119 } else if (strstart(p
, "vnc", &opts
)) {
2123 if (vnc_parse(opts
+ 1, &err
) == NULL
) {
2124 error_report_err(err
);
2128 error_report("VNC requires a display argument vnc=<display>");
2132 error_report("VNC support is disabled");
2135 } else if (strstart(p
, "curses", &opts
)) {
2136 #ifdef CONFIG_CURSES
2137 display
= DT_CURSES
;
2139 error_report("curses support is disabled");
2142 } else if (strstart(p
, "gtk", &opts
)) {
2146 const char *nextopt
;
2148 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2150 if (strstart(opts
, "on", &nextopt
)) {
2151 grab_on_hover
= true;
2152 } else if (strstart(opts
, "off", &nextopt
)) {
2153 grab_on_hover
= false;
2155 goto invalid_gtk_args
;
2157 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2159 if (strstart(opts
, "on", &nextopt
)) {
2161 } else if (strstart(opts
, "off", &nextopt
)) {
2164 goto invalid_gtk_args
;
2168 error_report("invalid GTK option string");
2174 error_report("GTK support is disabled");
2177 } else if (strstart(p
, "none", &opts
)) {
2180 error_report("unknown display type");
2187 static int balloon_parse(const char *arg
)
2191 if (strcmp(arg
, "none") == 0) {
2195 if (!strncmp(arg
, "virtio", 6)) {
2196 if (arg
[6] == ',') {
2197 /* have params -> parse them */
2198 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2203 /* create empty opts */
2204 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2207 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2214 char *qemu_find_file(int type
, const char *name
)
2220 /* Try the name as a straight path first */
2221 if (access(name
, R_OK
) == 0) {
2222 trace_load_file(name
, name
);
2223 return g_strdup(name
);
2227 case QEMU_FILE_TYPE_BIOS
:
2230 case QEMU_FILE_TYPE_KEYMAP
:
2231 subdir
= "keymaps/";
2237 for (i
= 0; i
< data_dir_idx
; i
++) {
2238 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2239 if (access(buf
, R_OK
) == 0) {
2240 trace_load_file(name
, buf
);
2248 static inline bool nonempty_str(const char *str
)
2253 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2257 const char *name
, *file
, *str
;
2259 if (opaque
== NULL
) {
2260 error_report("fw_cfg device not available");
2263 name
= qemu_opt_get(opts
, "name");
2264 file
= qemu_opt_get(opts
, "file");
2265 str
= qemu_opt_get(opts
, "string");
2267 /* we need name and either a file or the content string */
2268 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2269 error_report("invalid argument(s)");
2272 if (nonempty_str(file
) && nonempty_str(str
)) {
2273 error_report("file and string are mutually exclusive");
2276 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2277 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2280 if (strncmp(name
, "opt/", 4) != 0) {
2281 error_report("warning: externally provided fw_cfg item names "
2282 "should be prefixed with \"opt/\"");
2284 if (nonempty_str(str
)) {
2285 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2286 buf
= g_memdup(str
, size
);
2288 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2289 error_report("can't load %s", file
);
2293 fw_cfg_add_file((FWCfgState
*)opaque
, name
, buf
, size
);
2297 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2299 return qdev_device_help(opts
);
2302 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2307 dev
= qdev_device_add(opts
, &err
);
2309 error_report_err(err
);
2312 object_unref(OBJECT(dev
));
2316 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2318 Error
*local_err
= NULL
;
2320 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2322 error_report_err(local_err
);
2328 #ifdef CONFIG_VIRTFS
2329 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2332 ret
= qemu_fsdev_add(opts
);
2338 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2340 CharDriverState
*chr
;
2341 const char *chardev
;
2345 mode
= qemu_opt_get(opts
, "mode");
2349 if (strcmp(mode
, "readline") == 0) {
2350 flags
= MONITOR_USE_READLINE
;
2351 } else if (strcmp(mode
, "control") == 0) {
2352 flags
= MONITOR_USE_CONTROL
;
2354 error_report("unknown monitor mode \"%s\"", mode
);
2358 if (qemu_opt_get_bool(opts
, "pretty", 0))
2359 flags
|= MONITOR_USE_PRETTY
;
2361 if (qemu_opt_get_bool(opts
, "default", 0))
2362 flags
|= MONITOR_IS_DEFAULT
;
2364 chardev
= qemu_opt_get(opts
, "chardev");
2365 chr
= qemu_chr_find(chardev
);
2367 error_report("chardev \"%s\" not found", chardev
);
2371 qemu_chr_fe_claim_no_fail(chr
);
2372 monitor_init(chr
, flags
);
2376 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2378 static int monitor_device_index
= 0;
2379 Error
*local_err
= NULL
;
2385 if (strstart(optarg
, "chardev:", &p
)) {
2386 snprintf(label
, sizeof(label
), "%s", p
);
2388 snprintf(label
, sizeof(label
), "compat_monitor%d",
2389 monitor_device_index
);
2390 if (monitor_device_index
== 0) {
2393 opts
= qemu_chr_parse_compat(label
, optarg
);
2395 error_report("parse error: %s", optarg
);
2400 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &local_err
);
2402 error_report_err(local_err
);
2405 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2406 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2407 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2409 qemu_opt_set(opts
, "default", "on", &error_abort
);
2410 monitor_device_index
++;
2413 struct device_config
{
2415 DEV_USB
, /* -usbdevice */
2417 DEV_SERIAL
, /* -serial */
2418 DEV_PARALLEL
, /* -parallel */
2419 DEV_VIRTCON
, /* -virtioconsole */
2420 DEV_DEBUGCON
, /* -debugcon */
2421 DEV_GDB
, /* -gdb, -s */
2422 DEV_SCLP
, /* s390 sclp */
2424 const char *cmdline
;
2426 QTAILQ_ENTRY(device_config
) next
;
2429 static QTAILQ_HEAD(, device_config
) device_configs
=
2430 QTAILQ_HEAD_INITIALIZER(device_configs
);
2432 static void add_device_config(int type
, const char *cmdline
)
2434 struct device_config
*conf
;
2436 conf
= g_malloc0(sizeof(*conf
));
2438 conf
->cmdline
= cmdline
;
2439 loc_save(&conf
->loc
);
2440 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2443 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2445 struct device_config
*conf
;
2448 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2449 if (conf
->type
!= type
)
2451 loc_push_restore(&conf
->loc
);
2452 rc
= func(conf
->cmdline
);
2453 loc_pop(&conf
->loc
);
2461 static int serial_parse(const char *devname
)
2463 static int index
= 0;
2466 if (strcmp(devname
, "none") == 0)
2468 if (index
== MAX_SERIAL_PORTS
) {
2469 error_report("too many serial ports");
2472 snprintf(label
, sizeof(label
), "serial%d", index
);
2473 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2474 if (!serial_hds
[index
]) {
2475 error_report("could not connect serial device"
2476 " to character backend '%s'", devname
);
2483 static int parallel_parse(const char *devname
)
2485 static int index
= 0;
2488 if (strcmp(devname
, "none") == 0)
2490 if (index
== MAX_PARALLEL_PORTS
) {
2491 error_report("too many parallel ports");
2494 snprintf(label
, sizeof(label
), "parallel%d", index
);
2495 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2496 if (!parallel_hds
[index
]) {
2497 error_report("could not connect parallel device"
2498 " to character backend '%s'", devname
);
2505 static int virtcon_parse(const char *devname
)
2507 QemuOptsList
*device
= qemu_find_opts("device");
2508 static int index
= 0;
2510 QemuOpts
*bus_opts
, *dev_opts
;
2512 if (strcmp(devname
, "none") == 0)
2514 if (index
== MAX_VIRTIO_CONSOLES
) {
2515 error_report("too many virtio consoles");
2519 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2520 if (arch_type
== QEMU_ARCH_S390X
) {
2521 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390", &error_abort
);
2523 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci", &error_abort
);
2526 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2527 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2529 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2530 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2531 if (!virtcon_hds
[index
]) {
2532 error_report("could not connect virtio console"
2533 " to character backend '%s'", devname
);
2536 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2542 static int sclp_parse(const char *devname
)
2544 QemuOptsList
*device
= qemu_find_opts("device");
2545 static int index
= 0;
2549 if (strcmp(devname
, "none") == 0) {
2552 if (index
== MAX_SCLP_CONSOLES
) {
2553 error_report("too many sclp consoles");
2557 assert(arch_type
== QEMU_ARCH_S390X
);
2559 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2560 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2562 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2563 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2564 if (!sclp_hds
[index
]) {
2565 error_report("could not connect sclp console"
2566 " to character backend '%s'", devname
);
2569 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2575 static int debugcon_parse(const char *devname
)
2579 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2582 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2584 error_report("already have a debugcon device");
2587 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2588 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2592 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2594 const MachineClass
*mc1
= a
, *mc2
= b
;
2597 if (mc1
->family
== NULL
) {
2598 if (mc2
->family
== NULL
) {
2599 /* Compare standalone machine types against each other; they sort
2600 * in increasing order.
2602 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2603 object_class_get_name(OBJECT_CLASS(mc2
)));
2606 /* Standalone machine types sort after families. */
2610 if (mc2
->family
== NULL
) {
2611 /* Families sort before standalone machine types. */
2615 /* Families sort between each other alphabetically increasingly. */
2616 res
= strcmp(mc1
->family
, mc2
->family
);
2621 /* Within the same family, machine types sort in decreasing order. */
2622 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2623 object_class_get_name(OBJECT_CLASS(mc1
)));
2626 static MachineClass
*machine_parse(const char *name
)
2628 MachineClass
*mc
= NULL
;
2629 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2632 mc
= find_machine(name
);
2635 g_slist_free(machines
);
2638 if (name
&& !is_help_option(name
)) {
2639 error_report("unsupported machine type");
2640 error_printf("Use -machine help to list supported machines\n");
2642 printf("Supported machines are:\n");
2643 machines
= g_slist_sort(machines
, machine_class_cmp
);
2644 for (el
= machines
; el
; el
= el
->next
) {
2645 MachineClass
*mc
= el
->data
;
2647 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2649 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2650 mc
->is_default
? " (default)" : "");
2654 g_slist_free(machines
);
2655 exit(!name
|| !is_help_option(name
));
2658 void qemu_add_exit_notifier(Notifier
*notify
)
2660 notifier_list_add(&exit_notifiers
, notify
);
2663 void qemu_remove_exit_notifier(Notifier
*notify
)
2665 notifier_remove(notify
);
2668 static void qemu_run_exit_notifiers(void)
2670 notifier_list_notify(&exit_notifiers
, NULL
);
2673 static bool machine_init_done
;
2675 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2677 notifier_list_add(&machine_init_done_notifiers
, notify
);
2678 if (machine_init_done
) {
2679 notify
->notify(notify
, NULL
);
2683 static void qemu_run_machine_init_done_notifiers(void)
2685 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2686 machine_init_done
= true;
2689 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2690 const char **poptarg
, int *poptind
)
2692 const QEMUOption
*popt
;
2693 int optind
= *poptind
;
2694 char *r
= argv
[optind
];
2697 loc_set_cmdline(argv
, optind
, 1);
2699 /* Treat --foo the same as -foo. */
2702 popt
= qemu_options
;
2705 error_report("invalid option");
2708 if (!strcmp(popt
->name
, r
+ 1))
2712 if (popt
->flags
& HAS_ARG
) {
2713 if (optind
>= argc
) {
2714 error_report("requires an argument");
2717 optarg
= argv
[optind
++];
2718 loc_set_cmdline(argv
, optind
- 2, 2);
2729 static int machine_set_property(void *opaque
,
2730 const char *name
, const char *value
,
2733 Object
*obj
= OBJECT(opaque
);
2734 Error
*local_err
= NULL
;
2737 if (strcmp(name
, "type") == 0) {
2741 qom_name
= g_strdup(name
);
2749 object_property_parse(obj
, value
, qom_name
, &local_err
);
2753 error_report_err(local_err
);
2762 * Initial object creation happens before all other
2763 * QEMU data types are created. The majority of objects
2764 * can be created at this point. The rng-egd object
2765 * cannot be created here, as it depends on the chardev
2768 static bool object_create_initial(const char *type
)
2770 if (g_str_equal(type
, "rng-egd")) {
2775 * return false for concrete netfilters since
2776 * they depend on netdevs already existing
2778 if (g_str_equal(type
, "filter-buffer") ||
2779 g_str_equal(type
, "filter-dump")) {
2788 * The remainder of object creation happens after the
2789 * creation of chardev, fsdev, net clients and device data types.
2791 static bool object_create_delayed(const char *type
)
2793 return !object_create_initial(type
);
2797 static int object_create(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2805 bool (*type_predicate
)(const char *) = opaque
;
2807 ov
= opts_visitor_new(opts
);
2808 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2810 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2815 qdict_del(pdict
, "qom-type");
2816 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2820 if (!type_predicate(type
)) {
2824 qdict_del(pdict
, "id");
2825 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2830 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2834 visit_end_struct(opts_get_visitor(ov
), &err
);
2836 qmp_object_del(id
, NULL
);
2840 opts_visitor_cleanup(ov
);
2847 error_report_err(err
);
2853 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2857 const char *mem_str
;
2858 const char *maxmem_str
, *slots_str
;
2859 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2860 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2863 mem_str
= qemu_opt_get(opts
, "size");
2866 error_report("missing 'size' option value");
2870 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2872 /* Fix up legacy suffix-less format */
2873 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2874 uint64_t overflow_check
= sz
;
2877 if ((sz
>> 20) != overflow_check
) {
2878 error_report("too large 'size' option value");
2884 /* backward compatibility behaviour for case "-m 0" */
2886 sz
= default_ram_size
;
2889 sz
= QEMU_ALIGN_UP(sz
, 8192);
2891 if (ram_size
!= sz
) {
2892 error_report("ram size too large");
2896 /* store value for the future use */
2897 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2898 *maxram_size
= ram_size
;
2900 maxmem_str
= qemu_opt_get(opts
, "maxmem");
2901 slots_str
= qemu_opt_get(opts
, "slots");
2902 if (maxmem_str
&& slots_str
) {
2905 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2906 slots
= qemu_opt_get_number(opts
, "slots", 0);
2907 if (sz
< ram_size
) {
2908 error_report("invalid value of -m option maxmem: "
2909 "maximum memory size (0x%" PRIx64
") must be at least "
2910 "the initial memory size (0x" RAM_ADDR_FMT
")",
2913 } else if (sz
> ram_size
) {
2915 error_report("invalid value of -m option: maxmem was "
2916 "specified, but no hotplug slots were specified");
2920 error_report("invalid value of -m option maxmem: "
2921 "memory slots were specified but maximum memory size "
2922 "(0x%" PRIx64
") is equal to the initial memory size "
2923 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2929 } else if ((!maxmem_str
&& slots_str
) ||
2930 (maxmem_str
&& !slots_str
)) {
2931 error_report("invalid -m option value: missing "
2932 "'%s' option", slots_str
? "maxmem" : "slots");
2937 int main(int argc
, char **argv
, char **envp
)
2940 int snapshot
, linux_boot
;
2941 const char *initrd_filename
;
2942 const char *kernel_filename
, *kernel_cmdline
;
2943 const char *boot_order
= NULL
;
2944 const char *boot_once
= NULL
;
2946 int cyls
, heads
, secs
, translation
;
2947 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2948 QemuOptsList
*olist
;
2951 const char *loadvm
= NULL
;
2952 MachineClass
*machine_class
;
2953 const char *cpu_model
;
2954 const char *vga_model
= NULL
;
2955 const char *qtest_chrdev
= NULL
;
2956 const char *qtest_log
= NULL
;
2957 const char *pid_file
= NULL
;
2958 const char *incoming
= NULL
;
2960 int show_vnc_port
= 0;
2962 bool defconfig
= true;
2963 bool userconfig
= true;
2964 const char *log_mask
= NULL
;
2965 const char *log_file
= NULL
;
2966 const char *trace_events
= NULL
;
2967 const char *trace_file
= NULL
;
2968 ram_addr_t maxram_size
;
2969 uint64_t ram_slots
= 0;
2970 FILE *vmstate_dump_file
= NULL
;
2971 Error
*main_loop_err
= NULL
;
2974 qemu_init_cpu_loop();
2975 qemu_mutex_lock_iothread();
2977 atexit(qemu_run_exit_notifiers
);
2978 error_set_progname(argv
[0]);
2979 qemu_init_exec_dir(argv
[0]);
2981 module_call_init(MODULE_INIT_QOM
);
2983 qemu_add_opts(&qemu_drive_opts
);
2984 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2985 qemu_add_drive_opts(&qemu_common_drive_opts
);
2986 qemu_add_drive_opts(&qemu_drive_opts
);
2987 qemu_add_opts(&qemu_chardev_opts
);
2988 qemu_add_opts(&qemu_device_opts
);
2989 qemu_add_opts(&qemu_netdev_opts
);
2990 qemu_add_opts(&qemu_net_opts
);
2991 qemu_add_opts(&qemu_rtc_opts
);
2992 qemu_add_opts(&qemu_global_opts
);
2993 qemu_add_opts(&qemu_mon_opts
);
2994 qemu_add_opts(&qemu_trace_opts
);
2995 qemu_add_opts(&qemu_option_rom_opts
);
2996 qemu_add_opts(&qemu_machine_opts
);
2997 qemu_add_opts(&qemu_mem_opts
);
2998 qemu_add_opts(&qemu_smp_opts
);
2999 qemu_add_opts(&qemu_boot_opts
);
3000 qemu_add_opts(&qemu_sandbox_opts
);
3001 qemu_add_opts(&qemu_add_fd_opts
);
3002 qemu_add_opts(&qemu_object_opts
);
3003 qemu_add_opts(&qemu_tpmdev_opts
);
3004 qemu_add_opts(&qemu_realtime_opts
);
3005 qemu_add_opts(&qemu_msg_opts
);
3006 qemu_add_opts(&qemu_name_opts
);
3007 qemu_add_opts(&qemu_numa_opts
);
3008 qemu_add_opts(&qemu_icount_opts
);
3009 qemu_add_opts(&qemu_semihosting_config_opts
);
3010 qemu_add_opts(&qemu_fw_cfg_opts
);
3014 if (qcrypto_init(&err
) < 0) {
3015 error_report("cannot initialize crypto: %s", error_get_pretty(err
));
3018 rtc_clock
= QEMU_CLOCK_HOST
;
3020 QLIST_INIT (&vm_change_state_head
);
3021 os_setup_early_signal_handling();
3023 module_call_init(MODULE_INIT_MACHINE
);
3024 machine_class
= find_default_machine();
3027 cyls
= heads
= secs
= 0;
3028 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3032 bdrv_init_with_whitelist();
3036 /* first pass of option parsing */
3038 while (optind
< argc
) {
3039 if (argv
[optind
][0] != '-') {
3043 const QEMUOption
*popt
;
3045 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3046 switch (popt
->index
) {
3047 case QEMU_OPTION_nodefconfig
:
3050 case QEMU_OPTION_nouserconfig
:
3059 ret
= qemu_read_default_config_files(userconfig
);
3065 /* second pass of option parsing */
3070 if (argv
[optind
][0] != '-') {
3071 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3073 const QEMUOption
*popt
;
3075 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3076 if (!(popt
->arch_mask
& arch_type
)) {
3077 printf("Option %s not supported for this target\n", popt
->name
);
3080 switch(popt
->index
) {
3081 case QEMU_OPTION_no_kvm_irqchip
: {
3082 olist
= qemu_find_opts("machine");
3083 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3086 case QEMU_OPTION_cpu
:
3087 /* hw initialization will check this */
3090 case QEMU_OPTION_hda
:
3094 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3096 snprintf(buf
, sizeof(buf
),
3097 "%s,cyls=%d,heads=%d,secs=%d%s",
3098 HD_OPTS
, cyls
, heads
, secs
,
3099 translation
== BIOS_ATA_TRANSLATION_LBA
?
3101 translation
== BIOS_ATA_TRANSLATION_NONE
?
3102 ",trans=none" : "");
3103 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3106 case QEMU_OPTION_hdb
:
3107 case QEMU_OPTION_hdc
:
3108 case QEMU_OPTION_hdd
:
3109 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3112 case QEMU_OPTION_drive
:
3113 if (drive_def(optarg
) == NULL
) {
3117 case QEMU_OPTION_set
:
3118 if (qemu_set_option(optarg
) != 0)
3121 case QEMU_OPTION_global
:
3122 if (qemu_global_option(optarg
) != 0)
3125 case QEMU_OPTION_mtdblock
:
3126 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3128 case QEMU_OPTION_sd
:
3129 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3131 case QEMU_OPTION_pflash
:
3132 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3134 case QEMU_OPTION_snapshot
:
3137 case QEMU_OPTION_hdachs
:
3141 cyls
= strtol(p
, (char **)&p
, 0);
3142 if (cyls
< 1 || cyls
> 16383)
3147 heads
= strtol(p
, (char **)&p
, 0);
3148 if (heads
< 1 || heads
> 16)
3153 secs
= strtol(p
, (char **)&p
, 0);
3154 if (secs
< 1 || secs
> 63)
3158 if (!strcmp(p
, "large")) {
3159 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3160 } else if (!strcmp(p
, "rechs")) {
3161 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3162 } else if (!strcmp(p
, "none")) {
3163 translation
= BIOS_ATA_TRANSLATION_NONE
;
3164 } else if (!strcmp(p
, "lba")) {
3165 translation
= BIOS_ATA_TRANSLATION_LBA
;
3166 } else if (!strcmp(p
, "auto")) {
3167 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3171 } else if (*p
!= '\0') {
3173 error_report("invalid physical CHS format");
3176 if (hda_opts
!= NULL
) {
3177 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3179 qemu_opt_set_number(hda_opts
, "heads", heads
,
3181 qemu_opt_set_number(hda_opts
, "secs", secs
,
3183 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3184 qemu_opt_set(hda_opts
, "trans", "large",
3186 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3187 qemu_opt_set(hda_opts
, "trans", "rechs",
3189 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3190 qemu_opt_set(hda_opts
, "trans", "lba",
3192 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3193 qemu_opt_set(hda_opts
, "trans", "none",
3199 case QEMU_OPTION_numa
:
3200 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3206 case QEMU_OPTION_display
:
3207 display_type
= select_display(optarg
);
3209 case QEMU_OPTION_nographic
:
3210 display_type
= DT_NOGRAPHIC
;
3212 case QEMU_OPTION_curses
:
3213 #ifdef CONFIG_CURSES
3214 display_type
= DT_CURSES
;
3216 error_report("curses support is disabled");
3220 case QEMU_OPTION_portrait
:
3221 graphic_rotate
= 90;
3223 case QEMU_OPTION_rotate
:
3224 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3225 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3226 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3227 error_report("only 90, 180, 270 deg rotation is available");
3231 case QEMU_OPTION_kernel
:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3235 case QEMU_OPTION_initrd
:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3239 case QEMU_OPTION_append
:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3243 case QEMU_OPTION_dtb
:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3247 case QEMU_OPTION_cdrom
:
3248 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3250 case QEMU_OPTION_boot
:
3251 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3257 case QEMU_OPTION_fda
:
3258 case QEMU_OPTION_fdb
:
3259 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3262 case QEMU_OPTION_no_fd_bootchk
:
3265 case QEMU_OPTION_netdev
:
3266 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3270 case QEMU_OPTION_net
:
3271 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3275 #ifdef CONFIG_LIBISCSI
3276 case QEMU_OPTION_iscsi
:
3277 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3285 case QEMU_OPTION_tftp
:
3286 legacy_tftp_prefix
= optarg
;
3288 case QEMU_OPTION_bootp
:
3289 legacy_bootp_filename
= optarg
;
3291 case QEMU_OPTION_redir
:
3292 if (net_slirp_redir(optarg
) < 0)
3296 case QEMU_OPTION_bt
:
3297 add_device_config(DEV_BT
, optarg
);
3299 case QEMU_OPTION_audio_help
:
3303 case QEMU_OPTION_soundhw
:
3304 select_soundhw (optarg
);
3309 case QEMU_OPTION_version
:
3314 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3321 case QEMU_OPTION_tpmdev
:
3322 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3327 case QEMU_OPTION_mempath
:
3330 case QEMU_OPTION_mem_prealloc
:
3340 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3342 case QEMU_OPTION_gdb
:
3343 add_device_config(DEV_GDB
, optarg
);
3346 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3347 data_dir
[data_dir_idx
++] = optarg
;
3350 case QEMU_OPTION_bios
:
3351 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3354 case QEMU_OPTION_singlestep
:
3361 keyboard_layout
= optarg
;
3363 case QEMU_OPTION_localtime
:
3366 case QEMU_OPTION_vga
:
3375 w
= strtol(p
, (char **)&p
, 10);
3378 error_report("invalid resolution or depth");
3384 h
= strtol(p
, (char **)&p
, 10);
3389 depth
= strtol(p
, (char **)&p
, 10);
3390 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3391 depth
!= 24 && depth
!= 32)
3393 } else if (*p
== '\0') {
3394 depth
= graphic_depth
;
3401 graphic_depth
= depth
;
3404 case QEMU_OPTION_echr
:
3407 term_escape_char
= strtol(optarg
, &r
, 0);
3409 printf("Bad argument to echr\n");
3412 case QEMU_OPTION_monitor
:
3413 default_monitor
= 0;
3414 if (strncmp(optarg
, "none", 4)) {
3415 monitor_parse(optarg
, "readline", false);
3418 case QEMU_OPTION_qmp
:
3419 monitor_parse(optarg
, "control", false);
3420 default_monitor
= 0;
3422 case QEMU_OPTION_qmp_pretty
:
3423 monitor_parse(optarg
, "control", true);
3424 default_monitor
= 0;
3426 case QEMU_OPTION_mon
:
3427 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3432 default_monitor
= 0;
3434 case QEMU_OPTION_chardev
:
3435 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3441 case QEMU_OPTION_fsdev
:
3442 olist
= qemu_find_opts("fsdev");
3444 error_report("fsdev is not supported by this qemu build");
3447 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3452 case QEMU_OPTION_virtfs
: {
3455 const char *writeout
, *sock_fd
, *socket
;
3457 olist
= qemu_find_opts("virtfs");
3459 error_report("virtfs is not supported by this qemu build");
3462 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3467 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3468 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3469 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3472 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3473 qemu_opt_get(opts
, "mount_tag"),
3476 error_report("duplicate fsdev id: %s",
3477 qemu_opt_get(opts
, "mount_tag"));
3481 writeout
= qemu_opt_get(opts
, "writeout");
3483 #ifdef CONFIG_SYNC_FILE_RANGE
3484 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3486 error_report("writeout=immediate not supported "
3487 "on this platform");
3491 qemu_opt_set(fsdev
, "fsdriver",
3492 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3493 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"),
3495 qemu_opt_set(fsdev
, "security_model",
3496 qemu_opt_get(opts
, "security_model"),
3498 socket
= qemu_opt_get(opts
, "socket");
3500 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3502 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3504 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3507 qemu_opt_set_bool(fsdev
, "readonly",
3508 qemu_opt_get_bool(opts
, "readonly", 0),
3510 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3512 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3513 qemu_opt_set(device
, "fsdev",
3514 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3515 qemu_opt_set(device
, "mount_tag",
3516 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3519 case QEMU_OPTION_virtfs_synth
: {
3523 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3526 error_report("duplicate option: %s", "virtfs_synth");
3529 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3531 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3533 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3534 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3535 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3538 case QEMU_OPTION_serial
:
3539 add_device_config(DEV_SERIAL
, optarg
);
3541 if (strncmp(optarg
, "mon:", 4) == 0) {
3542 default_monitor
= 0;
3545 case QEMU_OPTION_watchdog
:
3547 error_report("only one watchdog option may be given");
3552 case QEMU_OPTION_watchdog_action
:
3553 if (select_watchdog_action(optarg
) == -1) {
3554 error_report("unknown -watchdog-action parameter");
3558 case QEMU_OPTION_virtiocon
:
3559 add_device_config(DEV_VIRTCON
, optarg
);
3560 default_virtcon
= 0;
3561 if (strncmp(optarg
, "mon:", 4) == 0) {
3562 default_monitor
= 0;
3565 case QEMU_OPTION_parallel
:
3566 add_device_config(DEV_PARALLEL
, optarg
);
3567 default_parallel
= 0;
3568 if (strncmp(optarg
, "mon:", 4) == 0) {
3569 default_monitor
= 0;
3572 case QEMU_OPTION_debugcon
:
3573 add_device_config(DEV_DEBUGCON
, optarg
);
3575 case QEMU_OPTION_loadvm
:
3578 case QEMU_OPTION_full_screen
:
3581 case QEMU_OPTION_no_frame
:
3584 case QEMU_OPTION_alt_grab
:
3587 case QEMU_OPTION_ctrl_grab
:
3590 case QEMU_OPTION_no_quit
:
3593 case QEMU_OPTION_sdl
:
3595 display_type
= DT_SDL
;
3598 error_report("SDL support is disabled");
3601 case QEMU_OPTION_pidfile
:
3604 case QEMU_OPTION_win2k_hack
:
3605 win2k_install_hack
= 1;
3607 case QEMU_OPTION_rtc_td_hack
: {
3608 static GlobalProperty slew_lost_ticks
[] = {
3610 .driver
= "mc146818rtc",
3611 .property
= "lost_tick_policy",
3614 { /* end of list */ }
3617 qdev_prop_register_global_list(slew_lost_ticks
);
3620 case QEMU_OPTION_acpitable
:
3621 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3626 do_acpitable_option(opts
);
3628 case QEMU_OPTION_smbios
:
3629 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3634 do_smbios_option(opts
);
3636 case QEMU_OPTION_fwcfg
:
3637 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3643 case QEMU_OPTION_enable_kvm
:
3644 olist
= qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3648 case QEMU_OPTION_machine
:
3649 olist
= qemu_find_opts("machine");
3650 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3655 case QEMU_OPTION_no_kvm
:
3656 olist
= qemu_find_opts("machine");
3657 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3659 case QEMU_OPTION_no_kvm_pit
: {
3660 error_report("warning: KVM PIT can no longer be disabled "
3664 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3665 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3667 .driver
= "kvm-pit",
3668 .property
= "lost_tick_policy",
3671 { /* end of list */ }
3674 error_report("warning: option deprecated, use "
3675 "lost_tick_policy property of kvm-pit instead");
3676 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3679 case QEMU_OPTION_usb
:
3680 olist
= qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist
, "usb=on", false);
3683 case QEMU_OPTION_usbdevice
:
3684 olist
= qemu_find_opts("machine");
3685 qemu_opts_parse_noisily(olist
, "usb=on", false);
3686 add_device_config(DEV_USB
, optarg
);
3688 case QEMU_OPTION_device
:
3689 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3694 case QEMU_OPTION_smp
:
3695 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3700 case QEMU_OPTION_vnc
:
3703 Error
*local_err
= NULL
;
3705 if (vnc_parse(optarg
, &local_err
) == NULL
) {
3706 error_report_err(local_err
);
3710 error_report("VNC support is disabled");
3715 case QEMU_OPTION_no_acpi
:
3718 case QEMU_OPTION_no_hpet
:
3721 case QEMU_OPTION_balloon
:
3722 if (balloon_parse(optarg
) < 0) {
3723 error_report("unknown -balloon argument %s", optarg
);
3727 case QEMU_OPTION_no_reboot
:
3730 case QEMU_OPTION_no_shutdown
:
3733 case QEMU_OPTION_show_cursor
:
3736 case QEMU_OPTION_uuid
:
3737 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3738 error_report("failed to parse UUID string: wrong format");
3741 qemu_uuid_set
= true;
3743 case QEMU_OPTION_option_rom
:
3744 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3745 error_report("too many option ROMs");
3748 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3753 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3754 option_rom
[nb_option_roms
].bootindex
=
3755 qemu_opt_get_number(opts
, "bootindex", -1);
3756 if (!option_rom
[nb_option_roms
].name
) {
3757 error_report("Option ROM file is not specified");
3762 case QEMU_OPTION_semihosting
:
3763 semihosting
.enabled
= true;
3764 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3766 case QEMU_OPTION_semihosting_config
:
3767 semihosting
.enabled
= true;
3768 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3771 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3773 const char *target
= qemu_opt_get(opts
, "target");
3774 if (target
!= NULL
) {
3775 if (strcmp("native", target
) == 0) {
3776 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3777 } else if (strcmp("gdb", target
) == 0) {
3778 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3779 } else if (strcmp("auto", target
) == 0) {
3780 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3782 error_report("unsupported semihosting-config %s",
3787 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3789 /* Set semihosting argument count and vector */
3790 qemu_opt_foreach(opts
, add_semihosting_arg
,
3791 &semihosting
, NULL
);
3793 error_report("unsupported semihosting-config %s", optarg
);
3797 case QEMU_OPTION_tdf
:
3798 error_report("warning: user space PIT time drift fix "
3799 "is no longer supported");
3801 case QEMU_OPTION_name
:
3802 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3808 case QEMU_OPTION_prom_env
:
3809 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3810 error_report("too many prom variables");
3813 prom_envs
[nb_prom_envs
] = optarg
;
3816 case QEMU_OPTION_old_param
:
3819 case QEMU_OPTION_clock
:
3820 /* Clock options no longer exist. Keep this option for
3821 * backward compatibility.
3824 case QEMU_OPTION_startdate
:
3825 configure_rtc_date_offset(optarg
, 1);
3827 case QEMU_OPTION_rtc
:
3828 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3833 configure_rtc(opts
);
3835 case QEMU_OPTION_tb_size
:
3836 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3837 if (tcg_tb_size
< 0) {
3841 case QEMU_OPTION_icount
:
3842 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3848 case QEMU_OPTION_incoming
:
3850 runstate_set(RUN_STATE_INMIGRATE
);
3854 case QEMU_OPTION_nodefaults
:
3857 case QEMU_OPTION_xen_domid
:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt
->name
);
3862 xen_domid
= atoi(optarg
);
3864 case QEMU_OPTION_xen_create
:
3865 if (!(xen_available())) {
3866 printf("Option %s not supported for this target\n", popt
->name
);
3869 xen_mode
= XEN_CREATE
;
3871 case QEMU_OPTION_xen_attach
:
3872 if (!(xen_available())) {
3873 printf("Option %s not supported for this target\n", popt
->name
);
3876 xen_mode
= XEN_ATTACH
;
3878 case QEMU_OPTION_trace
:
3880 opts
= qemu_opts_parse_noisily(qemu_find_opts("trace"),
3885 trace_events
= qemu_opt_get(opts
, "events");
3886 trace_file
= qemu_opt_get(opts
, "file");
3889 case QEMU_OPTION_readconfig
:
3891 int ret
= qemu_read_config_file(optarg
);
3893 error_report("read config %s: %s", optarg
,
3899 case QEMU_OPTION_spice
:
3900 olist
= qemu_find_opts("spice");
3902 error_report("spice is not supported by this qemu build");
3905 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3911 case QEMU_OPTION_writeconfig
:
3914 if (strcmp(optarg
, "-") == 0) {
3917 fp
= fopen(optarg
, "w");
3919 error_report("open %s: %s", optarg
,
3924 qemu_config_write(fp
);
3930 case QEMU_OPTION_qtest
:
3931 qtest_chrdev
= optarg
;
3933 case QEMU_OPTION_qtest_log
:
3936 case QEMU_OPTION_sandbox
:
3937 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3943 case QEMU_OPTION_add_fd
:
3945 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3951 error_report("File descriptor passing is disabled on this "
3956 case QEMU_OPTION_object
:
3957 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3963 case QEMU_OPTION_realtime
:
3964 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3969 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3971 case QEMU_OPTION_msg
:
3972 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3977 configure_msg(opts
);
3979 case QEMU_OPTION_dump_vmstate
:
3980 if (vmstate_dump_file
) {
3981 error_report("only one '-dump-vmstate' "
3982 "option may be given");
3985 vmstate_dump_file
= fopen(optarg
, "w");
3986 if (vmstate_dump_file
== NULL
) {
3987 error_report("open %s: %s", optarg
, strerror(errno
));
3992 os_parse_cmd_args(popt
->index
, optarg
);
3997 opts
= qemu_get_machine_opts();
3998 optarg
= qemu_opt_get(opts
, "type");
4000 machine_class
= machine_parse(optarg
);
4003 if (machine_class
== NULL
) {
4004 error_report("No machine specified, and there is no default");
4005 error_printf("Use -machine help to list supported machines\n");
4009 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4015 if (qemu_init_main_loop(&main_loop_err
)) {
4016 error_report_err(main_loop_err
);
4020 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4021 parse_sandbox
, NULL
, NULL
)) {
4025 if (qemu_opts_foreach(qemu_find_opts("name"),
4026 parse_name
, NULL
, NULL
)) {
4031 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4032 parse_add_fd
, NULL
, NULL
)) {
4036 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4037 cleanup_add_fd
, NULL
, NULL
)) {
4042 current_machine
= MACHINE(object_new(object_class_get_name(
4043 OBJECT_CLASS(machine_class
))));
4044 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4047 object_property_add_child(object_get_root(), "machine",
4048 OBJECT(current_machine
), &error_abort
);
4049 cpu_exec_init_all();
4051 if (machine_class
->hw_version
) {
4052 qemu_set_version(machine_class
->hw_version
);
4055 /* Init CPU def lists, based on config
4056 * - Must be called after all the qemu_read_config_file() calls
4057 * - Must be called before list_cpus()
4058 * - Must be called before machine->init()
4062 if (cpu_model
&& is_help_option(cpu_model
)) {
4063 list_cpus(stdout
, &fprintf
, cpu_model
);
4067 /* Open the logfile at this point and set the log mask if necessary.
4070 qemu_set_log_filename(log_file
);
4075 mask
= qemu_str_to_log_mask(log_mask
);
4077 qemu_print_log_usage(stdout
);
4083 if (!is_daemonized()) {
4084 if (!trace_init_backends(trace_events
, trace_file
)) {
4089 /* If no data_dir is specified then try to find it relative to the
4091 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4092 data_dir
[data_dir_idx
] = os_find_datadir();
4093 if (data_dir
[data_dir_idx
] != NULL
) {
4097 /* If all else fails use the install path specified when building. */
4098 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4099 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4102 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4104 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4105 if (max_cpus
> machine_class
->max_cpus
) {
4106 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4107 "supported by machine '%s' (%d)", max_cpus
,
4108 machine_class
->name
, machine_class
->max_cpus
);
4113 * Get the default machine options from the machine if it is not already
4114 * specified either by the configuration file or by the command line.
4116 if (machine_class
->default_machine_opts
) {
4117 qemu_opts_set_defaults(qemu_find_opts("machine"),
4118 machine_class
->default_machine_opts
, 0);
4121 qemu_opts_foreach(qemu_find_opts("device"),
4122 default_driver_check
, NULL
, NULL
);
4123 qemu_opts_foreach(qemu_find_opts("global"),
4124 default_driver_check
, NULL
, NULL
);
4126 if (!vga_model
&& !default_vga
) {
4127 vga_interface_type
= VGA_DEVICE
;
4129 if (!has_defaults
|| machine_class
->no_serial
) {
4132 if (!has_defaults
|| machine_class
->no_parallel
) {
4133 default_parallel
= 0;
4135 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4136 default_virtcon
= 0;
4138 if (!has_defaults
|| !machine_class
->use_sclp
) {
4141 if (!has_defaults
|| machine_class
->no_floppy
) {
4144 if (!has_defaults
|| machine_class
->no_cdrom
) {
4147 if (!has_defaults
|| machine_class
->no_sdcard
) {
4150 if (!has_defaults
) {
4151 default_monitor
= 0;
4156 if (is_daemonized()) {
4157 /* According to documentation and historically, -nographic redirects
4158 * serial port, parallel port and monitor to stdio, which does not work
4159 * with -daemonize. We can redirect these to null instead, but since
4160 * -nographic is legacy, let's just error out.
4161 * We disallow -nographic only if all other ports are not redirected
4162 * explicitly, to not break existing legacy setups which uses
4163 * -nographic _and_ redirects all ports explicitly - this is valid
4164 * usage, -nographic is just a no-op in this case.
4166 if (display_type
== DT_NOGRAPHIC
4167 && (default_parallel
|| default_serial
4168 || default_monitor
|| default_virtcon
)) {
4169 error_report("-nographic cannot be used with -daemonize");
4172 #ifdef CONFIG_CURSES
4173 if (display_type
== DT_CURSES
) {
4174 error_report("curses display cannot be used with -daemonize");
4180 if (display_type
== DT_NOGRAPHIC
) {
4181 if (default_parallel
)
4182 add_device_config(DEV_PARALLEL
, "null");
4183 if (default_serial
&& default_monitor
) {
4184 add_device_config(DEV_SERIAL
, "mon:stdio");
4185 } else if (default_virtcon
&& default_monitor
) {
4186 add_device_config(DEV_VIRTCON
, "mon:stdio");
4187 } else if (default_sclp
&& default_monitor
) {
4188 add_device_config(DEV_SCLP
, "mon:stdio");
4191 add_device_config(DEV_SERIAL
, "stdio");
4192 if (default_virtcon
)
4193 add_device_config(DEV_VIRTCON
, "stdio");
4195 add_device_config(DEV_SCLP
, "stdio");
4197 if (default_monitor
)
4198 monitor_parse("stdio", "readline", false);
4202 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4203 if (default_parallel
)
4204 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4205 if (default_monitor
)
4206 monitor_parse("vc:80Cx24C", "readline", false);
4207 if (default_virtcon
)
4208 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4210 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4214 #if defined(CONFIG_VNC)
4215 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4219 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4220 #if defined(CONFIG_GTK)
4221 display_type
= DT_GTK
;
4222 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4223 display_type
= DT_SDL
;
4224 #elif defined(CONFIG_VNC)
4225 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4228 display_type
= DT_NONE
;
4232 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4233 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4234 "for SDL, ignoring option");
4236 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4237 error_report("-no-quit is only valid for GTK and SDL, "
4241 #if defined(CONFIG_GTK)
4242 if (display_type
== DT_GTK
) {
4243 early_gtk_display_init(request_opengl
);
4246 #if defined(CONFIG_SDL)
4247 if (display_type
== DT_SDL
) {
4248 sdl_display_early_init(request_opengl
);
4251 if (request_opengl
== 1 && display_opengl
== 0) {
4252 #if defined(CONFIG_OPENGL)
4253 error_report("OpenGL is not supported by the display");
4255 error_report("QEMU was built without opengl support");
4262 if (qemu_opts_foreach(qemu_find_opts("object"),
4264 object_create_initial
, NULL
)) {
4268 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4269 chardev_init_func
, NULL
, NULL
)) {
4273 #ifdef CONFIG_VIRTFS
4274 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4275 fsdev_init_func
, NULL
, NULL
)) {
4280 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4281 error_report("could not acquire pid file: %s", strerror(errno
));
4285 if (qemu_opts_foreach(qemu_find_opts("device"),
4286 device_help_func
, NULL
, NULL
)) {
4290 machine_opts
= qemu_get_machine_opts();
4291 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4293 object_unref(OBJECT(current_machine
));
4297 configure_accelerator(current_machine
);
4300 Error
*local_err
= NULL
;
4301 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4303 error_report_err(local_err
);
4308 machine_opts
= qemu_get_machine_opts();
4309 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4310 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4311 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4312 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4314 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4316 Error
*local_err
= NULL
;
4318 boot_order
= qemu_opt_get(opts
, "order");
4320 validate_bootdevices(boot_order
, &local_err
);
4322 error_report_err(local_err
);
4327 boot_once
= qemu_opt_get(opts
, "once");
4329 validate_bootdevices(boot_once
, &local_err
);
4331 error_report_err(local_err
);
4336 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4337 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4341 boot_order
= machine_class
->default_boot_order
;
4344 if (!kernel_cmdline
) {
4345 kernel_cmdline
= "";
4346 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4349 linux_boot
= (kernel_filename
!= NULL
);
4351 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4352 error_report("-append only allowed with -kernel option");
4356 if (!linux_boot
&& initrd_filename
!= NULL
) {
4357 error_report("-initrd only allowed with -kernel option");
4361 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4362 error_report("-dtb only allowed with -kernel option");
4366 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4367 /* fall back to the -kernel/-append */
4368 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4371 os_set_line_buffering();
4374 /* spice needs the timers to be initialized by this point */
4380 if (kvm_enabled() || xen_enabled()) {
4381 error_report("-icount is not allowed with kvm or xen");
4384 configure_icount(icount_opts
, &error_abort
);
4385 qemu_opts_del(icount_opts
);
4388 /* clean up network at qemu process termination */
4389 atexit(&net_cleanup
);
4391 if (net_init_clients() < 0) {
4395 if (qemu_opts_foreach(qemu_find_opts("object"),
4397 object_create_delayed
, NULL
)) {
4402 if (tpm_init() < 0) {
4407 /* init the bluetooth world */
4408 if (foreach_device_config(DEV_BT
, bt_parse
))
4411 if (!xen_enabled()) {
4412 /* On 32-bit hosts, QEMU is limited by virtual address space */
4413 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4414 error_report("at most 2047 MB RAM can be simulated");
4422 /* If the currently selected machine wishes to override the units-per-bus
4423 * property of its default HBA interface type, do so now. */
4424 if (machine_class
->units_per_default_bus
) {
4425 override_max_devs(machine_class
->block_default_type
,
4426 machine_class
->units_per_default_bus
);
4429 /* open the virtual block devices */
4431 qemu_opts_foreach(qemu_find_opts("drive"),
4432 drive_enable_snapshot
, NULL
, NULL
);
4433 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4434 &machine_class
->block_default_type
, NULL
)) {
4438 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4440 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4441 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4443 parse_numa_opts(machine_class
);
4445 if (qemu_opts_foreach(qemu_find_opts("mon"),
4446 mon_init_func
, NULL
, NULL
)) {
4450 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4452 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4454 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4456 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4459 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4462 /* If no default VGA is requested, the default is "none". */
4464 if (machine_class
->default_display
) {
4465 vga_model
= machine_class
->default_display
;
4466 } else if (cirrus_vga_available()) {
4467 vga_model
= "cirrus";
4468 } else if (vga_available()) {
4473 select_vgahw(vga_model
);
4477 i
= select_watchdog(watchdog
);
4479 exit (i
== 1 ? 1 : 0);
4482 if (machine_class
->compat_props
) {
4483 qdev_prop_register_global_list(machine_class
->compat_props
);
4487 qdev_machine_init();
4489 current_machine
->ram_size
= ram_size
;
4490 current_machine
->maxram_size
= maxram_size
;
4491 current_machine
->ram_slots
= ram_slots
;
4492 current_machine
->boot_order
= boot_order
;
4493 current_machine
->cpu_model
= cpu_model
;
4495 machine_class
->init(current_machine
);
4501 cpu_synchronize_all_post_init();
4503 numa_post_machine_init();
4505 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4506 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4510 /* init USB devices */
4511 if (usb_enabled()) {
4512 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4516 /* Check if IGD GFX passthrough. */
4519 /* init generic devices */
4520 if (qemu_opts_foreach(qemu_find_opts("device"),
4521 device_init_func
, NULL
, NULL
)) {
4525 /* Did we create any drives that we failed to create a device for? */
4526 drive_check_orphaned();
4528 net_check_clients();
4531 Error
*local_err
= NULL
;
4532 qemu_boot_set(boot_once
, &local_err
);
4534 error_report("%s", error_get_pretty(local_err
));
4537 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4540 ds
= init_displaystate();
4542 /* init local displays */
4543 switch (display_type
) {
4545 (void)ds
; /* avoid warning if no display is configured */
4547 #if defined(CONFIG_CURSES)
4549 curses_display_init(ds
, full_screen
);
4552 #if defined(CONFIG_SDL)
4554 sdl_display_init(ds
, full_screen
, no_frame
);
4556 #elif defined(CONFIG_COCOA)
4558 cocoa_display_init(ds
, full_screen
);
4561 #if defined(CONFIG_GTK)
4563 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4570 /* must be after terminal init, SDL library changes signal handlers */
4571 os_setup_signal_handling();
4574 /* init remote displays */
4575 qemu_opts_foreach(qemu_find_opts("vnc"),
4576 vnc_init_func
, NULL
, NULL
);
4577 if (show_vnc_port
) {
4578 char *ret
= vnc_display_local_addr("default");
4579 printf("VNC server running on '%s'\n", ret
);
4585 qemu_spice_display_init();
4589 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4593 qdev_machine_creation_done();
4595 /* TODO: once all bus devices are qdevified, this should be done
4596 * when bus is created by qdev.c */
4597 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4598 qemu_run_machine_init_done_notifiers();
4600 if (rom_check_and_register_reset() != 0) {
4601 error_report("rom check and register reset failed");
4605 qemu_system_reset(VMRESET_SILENT
);
4606 register_global_state();
4608 if (load_vmstate(loadvm
) < 0) {
4613 qdev_prop_check_globals();
4614 if (vmstate_dump_file
) {
4616 dump_vmstate_json_to_file(vmstate_dump_file
);
4621 Error
*local_err
= NULL
;
4622 qemu_start_incoming_migration(incoming
, &local_err
);
4624 error_report("-incoming %s: %s", incoming
,
4625 error_get_pretty(local_err
));
4626 error_free(local_err
);
4629 } else if (autostart
) {
4635 if (is_daemonized()) {
4636 if (!trace_init_backends(trace_events
, trace_file
)) {