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 */
62 #include "hw/boards.h"
64 #include "hw/pcmcia.h"
65 #include "hw/i386/pc.h"
66 #include "hw/isa/isa.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/i386/smbios.h"
70 #include "hw/xen/xen.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/cache-utils.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
106 #include "qemu/sockets.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir
[16];
127 static int data_dir_idx
;
128 const char *bios_name
= NULL
;
129 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
130 DisplayType display_type
= DT_DEFAULT
;
131 static int display_remote
;
132 const char* keyboard_layout
= NULL
;
134 const char *mem_path
= NULL
;
135 int mem_prealloc
= 0; /* force preallocation of physical target memory */
137 NICInfo nd_table
[MAX_NICS
];
139 static int rtc_utc
= 1;
140 static int rtc_date_offset
= -1; /* -1 means no change */
141 QEMUClockType rtc_clock
;
142 int vga_interface_type
= VGA_NONE
;
143 static int full_screen
= 0;
144 static int no_frame
= 0;
146 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
147 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
148 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
149 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
150 int win2k_install_hack
= 0;
157 const char *vnc_display
;
159 int acpi_enabled
= 1;
162 static int no_reboot
;
165 int graphic_rotate
= 0;
166 const char *watchdog
;
167 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
169 int semihosting_enabled
= 0;
171 const char *qemu_name
;
174 unsigned int nb_prom_envs
= 0;
175 const char *prom_envs
[MAX_PROM_ENVS
];
177 static bool boot_strict
;
178 uint8_t *boot_splash_filedata
;
179 size_t boot_splash_filedata_size
;
180 uint8_t qemu_extra_params_fw
[2];
182 typedef struct FWBootEntry FWBootEntry
;
185 QTAILQ_ENTRY(FWBootEntry
) link
;
191 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
192 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
195 uint64_t node_mem
[MAX_NODES
];
196 unsigned long *node_cpumask
[MAX_NODES
];
198 uint8_t qemu_uuid
[16];
201 static QEMUBootSetHandler
*boot_set_handler
;
202 static void *boot_set_opaque
;
204 static NotifierList exit_notifiers
=
205 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
207 static NotifierList machine_init_done_notifiers
=
208 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
210 static bool tcg_allowed
= true;
213 enum xen_mode xen_mode
= XEN_EMULATE
;
214 static int tcg_tb_size
;
216 static int default_serial
= 1;
217 static int default_parallel
= 1;
218 static int default_virtcon
= 1;
219 static int default_sclp
= 1;
220 static int default_monitor
= 1;
221 static int default_floppy
= 1;
222 static int default_cdrom
= 1;
223 static int default_sdcard
= 1;
224 static int default_vga
= 1;
230 { .driver
= "isa-serial", .flag
= &default_serial
},
231 { .driver
= "isa-parallel", .flag
= &default_parallel
},
232 { .driver
= "isa-fdc", .flag
= &default_floppy
},
233 { .driver
= "ide-cd", .flag
= &default_cdrom
},
234 { .driver
= "ide-hd", .flag
= &default_cdrom
},
235 { .driver
= "ide-drive", .flag
= &default_cdrom
},
236 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
237 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
238 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
239 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
240 { .driver
= "VGA", .flag
= &default_vga
},
241 { .driver
= "isa-vga", .flag
= &default_vga
},
242 { .driver
= "cirrus-vga", .flag
= &default_vga
},
243 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
244 { .driver
= "vmware-svga", .flag
= &default_vga
},
245 { .driver
= "qxl-vga", .flag
= &default_vga
},
248 static QemuOptsList qemu_rtc_opts
= {
250 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
254 .type
= QEMU_OPT_STRING
,
257 .type
= QEMU_OPT_STRING
,
260 .type
= QEMU_OPT_STRING
,
262 { /* end of list */ }
266 static QemuOptsList qemu_sandbox_opts
= {
268 .implied_opt_name
= "enable",
269 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
273 .type
= QEMU_OPT_BOOL
,
275 { /* end of list */ }
279 static QemuOptsList qemu_trace_opts
= {
281 .implied_opt_name
= "trace",
282 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
286 .type
= QEMU_OPT_STRING
,
289 .type
= QEMU_OPT_STRING
,
291 { /* end of list */ }
295 static QemuOptsList qemu_option_rom_opts
= {
296 .name
= "option-rom",
297 .implied_opt_name
= "romfile",
298 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
302 .type
= QEMU_OPT_NUMBER
,
305 .type
= QEMU_OPT_STRING
,
307 { /* end of list */ }
311 static QemuOptsList qemu_machine_opts
= {
313 .implied_opt_name
= "type",
315 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
319 .type
= QEMU_OPT_STRING
,
320 .help
= "emulated machine"
323 .type
= QEMU_OPT_STRING
,
324 .help
= "accelerator list",
326 .name
= "kernel_irqchip",
327 .type
= QEMU_OPT_BOOL
,
328 .help
= "use KVM in-kernel irqchip",
330 .name
= "kvm_shadow_mem",
331 .type
= QEMU_OPT_SIZE
,
332 .help
= "KVM shadow MMU size",
335 .type
= QEMU_OPT_STRING
,
336 .help
= "Linux kernel image file",
339 .type
= QEMU_OPT_STRING
,
340 .help
= "Linux initial ramdisk file",
343 .type
= QEMU_OPT_STRING
,
344 .help
= "Linux kernel command line",
347 .type
= QEMU_OPT_STRING
,
348 .help
= "Linux kernel device tree file",
351 .type
= QEMU_OPT_STRING
,
352 .help
= "Dump current dtb to a file and quit",
354 .name
= "phandle_start",
355 .type
= QEMU_OPT_NUMBER
,
356 .help
= "The first phandle ID we may generate dynamically",
358 .name
= "dt_compatible",
359 .type
= QEMU_OPT_STRING
,
360 .help
= "Overrides the \"compatible\" property of the dt root node",
362 .name
= "dump-guest-core",
363 .type
= QEMU_OPT_BOOL
,
364 .help
= "Include guest memory in a core dump",
367 .type
= QEMU_OPT_BOOL
,
368 .help
= "enable/disable memory merge support",
371 .type
= QEMU_OPT_BOOL
,
372 .help
= "Set on/off to enable/disable usb",
375 .type
= QEMU_OPT_STRING
,
376 .help
= "firmware image",
379 .type
= QEMU_OPT_STRING
,
380 .help
= "Specifies the KVM virtualization mode (HV, PR)",
382 { /* End of list */ }
386 static QemuOptsList qemu_boot_opts
= {
388 .implied_opt_name
= "order",
390 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
394 .type
= QEMU_OPT_STRING
,
397 .type
= QEMU_OPT_STRING
,
400 .type
= QEMU_OPT_BOOL
,
403 .type
= QEMU_OPT_STRING
,
405 .name
= "splash-time",
406 .type
= QEMU_OPT_STRING
,
408 .name
= "reboot-timeout",
409 .type
= QEMU_OPT_STRING
,
412 .type
= QEMU_OPT_BOOL
,
418 static QemuOptsList qemu_add_fd_opts
= {
420 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
424 .type
= QEMU_OPT_NUMBER
,
425 .help
= "file descriptor of which a duplicate is added to fd set",
428 .type
= QEMU_OPT_NUMBER
,
429 .help
= "ID of the fd set to add fd to",
432 .type
= QEMU_OPT_STRING
,
433 .help
= "free-form string used to describe fd",
435 { /* end of list */ }
439 static QemuOptsList qemu_object_opts
= {
441 .implied_opt_name
= "qom-type",
442 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
448 static QemuOptsList qemu_tpmdev_opts
= {
450 .implied_opt_name
= "type",
451 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
453 /* options are defined in the TPM backends */
454 { /* end of list */ }
458 static QemuOptsList qemu_realtime_opts
= {
460 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
464 .type
= QEMU_OPT_BOOL
,
466 { /* end of list */ }
470 static QemuOptsList qemu_msg_opts
= {
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
476 .type
= QEMU_OPT_BOOL
,
478 { /* end of list */ }
482 static QemuOptsList qemu_name_opts
= {
484 .implied_opt_name
= "guest",
486 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
490 .type
= QEMU_OPT_STRING
,
491 .help
= "Sets the name of the guest.\n"
492 "This name will be displayed in the SDL window caption.\n"
493 "The name will also be used for the VNC server",
496 .type
= QEMU_OPT_STRING
,
497 .help
= "Sets the name of the QEMU process, as shown in top etc",
499 .name
= "debug-threads",
500 .type
= QEMU_OPT_BOOL
,
501 .help
= "When enabled, name the individual threads; defaults off.\n"
502 "NOTE: The thread names are for debugging and not a\n"
505 { /* End of list */ }
510 * Get machine options
512 * Returns: machine options (never null).
514 QemuOpts
*qemu_get_machine_opts(void)
519 list
= qemu_find_opts("machine");
521 opts
= qemu_opts_find(list
, NULL
);
523 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
528 const char *qemu_get_vm_name(void)
533 static void res_free(void)
535 if (boot_splash_filedata
!= NULL
) {
536 g_free(boot_splash_filedata
);
537 boot_splash_filedata
= NULL
;
541 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
543 const char *driver
= qemu_opt_get(opts
, "driver");
548 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
549 if (strcmp(default_list
[i
].driver
, driver
) != 0)
551 *(default_list
[i
].flag
) = 0;
556 /***********************************************************/
559 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
564 } RunStateTransition
;
566 static const RunStateTransition runstate_transitions_def
[] = {
568 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
569 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
571 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
572 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
574 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
575 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
577 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
578 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
581 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
583 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
584 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
587 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
588 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
590 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
591 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
593 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
595 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
596 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
597 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
598 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
599 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
600 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
601 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
602 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
603 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
604 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
606 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
608 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
609 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
612 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
613 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
614 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
616 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
617 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
619 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
620 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_MAX
, RUN_STATE_MAX
},
625 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
627 bool runstate_check(RunState state
)
629 return current_run_state
== state
;
632 static void runstate_init(void)
634 const RunStateTransition
*p
;
636 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
638 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
639 runstate_valid_transitions
[p
->from
][p
->to
] = true;
643 /* This function will abort() on invalid state transitions */
644 void runstate_set(RunState new_state
)
646 assert(new_state
< RUN_STATE_MAX
);
648 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
649 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
650 RunState_lookup
[current_run_state
],
651 RunState_lookup
[new_state
]);
654 trace_runstate_set(new_state
);
655 current_run_state
= new_state
;
658 int runstate_is_running(void)
660 return runstate_check(RUN_STATE_RUNNING
);
663 bool runstate_needs_reset(void)
665 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
666 runstate_check(RUN_STATE_SHUTDOWN
);
669 StatusInfo
*qmp_query_status(Error
**errp
)
671 StatusInfo
*info
= g_malloc0(sizeof(*info
));
673 info
->running
= runstate_is_running();
674 info
->singlestep
= singlestep
;
675 info
->status
= current_run_state
;
680 /***********************************************************/
681 /* real time host monotonic timer */
683 /***********************************************************/
684 /* host time/date access */
685 void qemu_get_timedate(struct tm
*tm
, int offset
)
691 if (rtc_date_offset
== -1) {
695 localtime_r(&ti
, tm
);
697 ti
-= rtc_date_offset
;
702 int qemu_timedate_diff(struct tm
*tm
)
706 if (rtc_date_offset
== -1)
708 seconds
= mktimegm(tm
);
711 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
712 seconds
= mktime(&tmp
);
715 seconds
= mktimegm(tm
) + rtc_date_offset
;
717 return seconds
- time(NULL
);
720 void rtc_change_mon_event(struct tm
*tm
)
724 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
725 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
726 qobject_decref(data
);
729 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
731 time_t rtc_start_date
;
734 if (!strcmp(startdate
, "now") && legacy
) {
735 rtc_date_offset
= -1;
737 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
745 } else if (sscanf(startdate
, "%d-%d-%d",
757 rtc_start_date
= mktimegm(&tm
);
758 if (rtc_start_date
== -1) {
760 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
761 "'2006-06-17T16:01:21' or '2006-06-17'\n");
764 rtc_date_offset
= time(NULL
) - rtc_start_date
;
768 static void configure_rtc(QemuOpts
*opts
)
772 value
= qemu_opt_get(opts
, "base");
774 if (!strcmp(value
, "utc")) {
776 } else if (!strcmp(value
, "localtime")) {
779 configure_rtc_date_offset(value
, 0);
782 value
= qemu_opt_get(opts
, "clock");
784 if (!strcmp(value
, "host")) {
785 rtc_clock
= QEMU_CLOCK_HOST
;
786 } else if (!strcmp(value
, "rt")) {
787 rtc_clock
= QEMU_CLOCK_REALTIME
;
788 } else if (!strcmp(value
, "vm")) {
789 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
791 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
795 value
= qemu_opt_get(opts
, "driftfix");
797 if (!strcmp(value
, "slew")) {
798 static GlobalProperty slew_lost_ticks
[] = {
800 .driver
= "mc146818rtc",
801 .property
= "lost_tick_policy",
804 { /* end of list */ }
807 qdev_prop_register_global_list(slew_lost_ticks
);
808 } else if (!strcmp(value
, "none")) {
809 /* discard is default */
811 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
817 /***********************************************************/
818 /* Bluetooth support */
821 static struct HCIInfo
*hci_table
[MAX_NICS
];
823 struct HCIInfo
*qemu_next_hci(void)
825 if (cur_hci
== nb_hcis
)
828 return hci_table
[cur_hci
++];
831 static int bt_hci_parse(const char *str
)
836 if (nb_hcis
>= MAX_NICS
) {
837 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
850 bdaddr
.b
[5] = 0x56 + nb_hcis
;
851 hci
->bdaddr_set(hci
, bdaddr
.b
);
853 hci_table
[nb_hcis
++] = hci
;
858 static void bt_vhci_add(int vlan_id
)
860 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
863 fprintf(stderr
, "qemu: warning: adding a VHCI to "
864 "an empty scatternet %i\n", vlan_id
);
866 bt_vhci_init(bt_new_hci(vlan
));
869 static struct bt_device_s
*bt_device_add(const char *opt
)
871 struct bt_scatternet_s
*vlan
;
873 char *endp
= strstr(opt
, ",vlan=");
874 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
877 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
880 vlan_id
= strtol(endp
+ 6, &endp
, 0);
882 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
887 vlan
= qemu_find_bt_vlan(vlan_id
);
890 fprintf(stderr
, "qemu: warning: adding a slave device to "
891 "an empty scatternet %i\n", vlan_id
);
893 if (!strcmp(devname
, "keyboard"))
894 return bt_keyboard_init(vlan
);
896 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
900 static int bt_parse(const char *opt
)
902 const char *endp
, *p
;
905 if (strstart(opt
, "hci", &endp
)) {
906 if (!*endp
|| *endp
== ',') {
908 if (!strstart(endp
, ",vlan=", 0))
911 return bt_hci_parse(opt
);
913 } else if (strstart(opt
, "vhci", &endp
)) {
914 if (!*endp
|| *endp
== ',') {
916 if (strstart(endp
, ",vlan=", &p
)) {
917 vlan
= strtol(p
, (char **) &endp
, 0);
919 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
923 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
932 } else if (strstart(opt
, "device:", &endp
))
933 return !bt_device_add(endp
);
935 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
939 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
941 /* FIXME: change this to true for 1.3 */
942 if (qemu_opt_get_bool(opts
, "enable", false)) {
943 #ifdef CONFIG_SECCOMP
944 if (seccomp_start() < 0) {
945 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
946 "failed to install seccomp syscall filter in the kernel");
950 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
951 "sandboxing request but seccomp is not compiled into this build");
959 static void parse_name(QemuOpts
*opts
)
961 const char *proc_name
;
963 if (qemu_opt_get(opts
, "debug-threads")) {
964 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
966 qemu_name
= qemu_opt_get(opts
, "guest");
968 proc_name
= qemu_opt_get(opts
, "process");
970 os_set_proc_name(proc_name
);
974 bool usb_enabled(bool default_usb
)
976 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
980 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
982 int fd
, dupfd
, flags
;
984 const char *fd_opaque
= NULL
;
986 fd
= qemu_opt_get_number(opts
, "fd", -1);
987 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
988 fd_opaque
= qemu_opt_get(opts
, "opaque");
991 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
992 "fd option is required and must be non-negative");
996 if (fd
<= STDERR_FILENO
) {
997 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
998 "fd cannot be a standard I/O stream");
1003 * All fds inherited across exec() necessarily have FD_CLOEXEC
1004 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1006 flags
= fcntl(fd
, F_GETFD
);
1007 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1008 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1009 "fd is not valid or already in use");
1014 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1015 "set option is required and must be non-negative");
1019 #ifdef F_DUPFD_CLOEXEC
1020 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1024 qemu_set_cloexec(dupfd
);
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1029 "Error duplicating fd: %s", strerror(errno
));
1033 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1034 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1040 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1044 fd
= qemu_opt_get_number(opts
, "fd", -1);
1051 /***********************************************************/
1052 /* QEMU Block devices */
1054 #define HD_OPTS "media=disk"
1055 #define CDROM_OPTS "media=cdrom"
1057 #define PFLASH_OPTS ""
1061 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1063 BlockInterfaceType
*block_default_type
= opaque
;
1065 return drive_init(opts
, *block_default_type
) == NULL
;
1068 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1070 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1071 qemu_opt_set(opts
, "snapshot", "on");
1076 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1077 int index
, const char *optstr
)
1081 if (!enable
|| drive_get_by_index(type
, index
)) {
1085 opts
= drive_add(type
, index
, NULL
, optstr
);
1087 drive_enable_snapshot(opts
, NULL
);
1089 if (!drive_init(opts
, type
)) {
1094 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1096 boot_set_handler
= func
;
1097 boot_set_opaque
= opaque
;
1100 int qemu_boot_set(const char *boot_order
)
1102 if (!boot_set_handler
) {
1105 return boot_set_handler(boot_set_opaque
, boot_order
);
1108 static void validate_bootdevices(const char *devices
)
1110 /* We just do some generic consistency checks */
1114 for (p
= devices
; *p
!= '\0'; p
++) {
1115 /* Allowed boot devices are:
1116 * a-b: floppy disk drives
1117 * c-f: IDE disk drives
1118 * g-m: machine implementation dependent drives
1119 * n-p: network devices
1120 * It's up to each machine implementation to check if the given boot
1121 * devices match the actual hardware implementation and firmware
1124 if (*p
< 'a' || *p
> 'p') {
1125 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1128 if (bitmap
& (1 << (*p
- 'a'))) {
1129 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1132 bitmap
|= 1 << (*p
- 'a');
1136 static void restore_boot_order(void *opaque
)
1138 char *normal_boot_order
= opaque
;
1139 static int first
= 1;
1141 /* Restore boot order and remove ourselves after the first boot */
1147 qemu_boot_set(normal_boot_order
);
1149 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1150 g_free(normal_boot_order
);
1153 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1156 FWBootEntry
*node
, *i
;
1158 if (bootindex
< 0) {
1162 assert(dev
!= NULL
|| suffix
!= NULL
);
1164 node
= g_malloc0(sizeof(FWBootEntry
));
1165 node
->bootindex
= bootindex
;
1166 node
->suffix
= g_strdup(suffix
);
1169 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1170 if (i
->bootindex
== bootindex
) {
1171 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1173 } else if (i
->bootindex
< bootindex
) {
1176 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1179 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1182 DeviceState
*get_boot_device(uint32_t position
)
1184 uint32_t counter
= 0;
1185 FWBootEntry
*i
= NULL
;
1186 DeviceState
*res
= NULL
;
1188 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1189 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1190 if (counter
== position
) {
1201 * This function returns null terminated string that consist of new line
1202 * separated device paths.
1204 * memory pointed by "size" is assigned total length of the array in bytes
1207 char *get_boot_devices_list(size_t *size
)
1213 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1214 char *devpath
= NULL
, *bootpath
;
1218 devpath
= qdev_get_fw_dev_path(i
->dev
);
1222 if (i
->suffix
&& devpath
) {
1223 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1225 bootpath
= g_malloc(bootpathlen
);
1226 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1228 } else if (devpath
) {
1232 bootpath
= g_strdup(i
->suffix
);
1236 list
[total
-1] = '\n';
1238 len
= strlen(bootpath
) + 1;
1239 list
= g_realloc(list
, total
+ len
);
1240 memcpy(&list
[total
], bootpath
, len
);
1247 if (boot_strict
&& *size
> 0) {
1248 list
[total
-1] = '\n';
1249 list
= g_realloc(list
, total
+ 5);
1250 memcpy(&list
[total
], "HALT", 5);
1256 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1259 unsigned long long value
, endvalue
;
1261 /* Empty CPU range strings will be considered valid, they will simply
1262 * not set any bit in the CPU bitmap.
1268 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1271 if (*endptr
== '-') {
1272 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1275 } else if (*endptr
== '\0') {
1281 if (endvalue
>= MAX_CPUMASK_BITS
) {
1282 endvalue
= MAX_CPUMASK_BITS
- 1;
1284 "qemu: NUMA: A max of %d VCPUs are supported\n",
1288 if (endvalue
< value
) {
1292 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1296 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1300 static void numa_add(const char *optarg
)
1304 unsigned long long nodenr
;
1306 optarg
= get_opt_name(option
, 128, optarg
, ',');
1307 if (*optarg
== ',') {
1310 if (!strcmp(option
, "node")) {
1312 if (nb_numa_nodes
>= MAX_NODES
) {
1313 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1317 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1318 nodenr
= nb_numa_nodes
;
1320 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1321 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1326 if (nodenr
>= MAX_NODES
) {
1327 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1331 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1332 node_mem
[nodenr
] = 0;
1335 sval
= strtosz(option
, &endptr
);
1336 if (sval
< 0 || *endptr
) {
1337 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1340 node_mem
[nodenr
] = sval
;
1342 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1343 numa_node_parse_cpus(nodenr
, option
);
1347 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1352 static QemuOptsList qemu_smp_opts
= {
1354 .implied_opt_name
= "cpus",
1355 .merge_lists
= true,
1356 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1360 .type
= QEMU_OPT_NUMBER
,
1363 .type
= QEMU_OPT_NUMBER
,
1366 .type
= QEMU_OPT_NUMBER
,
1369 .type
= QEMU_OPT_NUMBER
,
1372 .type
= QEMU_OPT_NUMBER
,
1374 { /*End of list */ }
1378 static void smp_parse(QemuOpts
*opts
)
1382 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1383 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1384 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1385 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1387 /* compute missing values, prefer sockets over cores over threads */
1388 if (cpus
== 0 || sockets
== 0) {
1389 sockets
= sockets
> 0 ? sockets
: 1;
1390 cores
= cores
> 0 ? cores
: 1;
1391 threads
= threads
> 0 ? threads
: 1;
1393 cpus
= cores
* threads
* sockets
;
1397 threads
= threads
> 0 ? threads
: 1;
1398 cores
= cpus
/ (sockets
* threads
);
1400 threads
= cpus
/ (cores
* sockets
);
1404 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1407 smp_cores
= cores
> 0 ? cores
: 1;
1408 smp_threads
= threads
> 0 ? threads
: 1;
1412 if (max_cpus
== 0) {
1413 max_cpus
= smp_cpus
;
1416 if (max_cpus
> 255) {
1417 fprintf(stderr
, "Unsupported number of maxcpus\n");
1420 if (max_cpus
< smp_cpus
) {
1421 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1427 static void configure_realtime(QemuOpts
*opts
)
1431 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1434 if (os_mlock() < 0) {
1435 fprintf(stderr
, "qemu: locking memory failed\n");
1442 static void configure_msg(QemuOpts
*opts
)
1444 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1447 /***********************************************************/
1450 static int usb_device_add(const char *devname
)
1452 USBDevice
*dev
= NULL
;
1453 #ifndef CONFIG_LINUX
1457 if (!usb_enabled(false)) {
1461 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1462 dev
= usbdevice_create(devname
);
1466 /* the other ones */
1467 #ifndef CONFIG_LINUX
1468 /* only the linux version is qdev-ified, usb-bsd still needs this */
1469 if (strstart(devname
, "host:", &p
)) {
1470 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1480 static int usb_device_del(const char *devname
)
1485 if (strstart(devname
, "host:", &p
)) {
1489 if (!usb_enabled(false)) {
1493 p
= strchr(devname
, '.');
1496 bus_num
= strtoul(devname
, NULL
, 0);
1497 addr
= strtoul(p
+ 1, NULL
, 0);
1499 return usb_device_delete_addr(bus_num
, addr
);
1502 static int usb_parse(const char *cmdline
)
1505 r
= usb_device_add(cmdline
);
1507 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1512 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1514 const char *devname
= qdict_get_str(qdict
, "devname");
1515 if (usb_device_add(devname
) < 0) {
1516 error_report("could not add USB device '%s'", devname
);
1520 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1522 const char *devname
= qdict_get_str(qdict
, "devname");
1523 if (usb_device_del(devname
) < 0) {
1524 error_report("could not delete USB device '%s'", devname
);
1528 /***********************************************************/
1529 /* PCMCIA/Cardbus */
1531 static struct pcmcia_socket_entry_s
{
1532 PCMCIASocket
*socket
;
1533 struct pcmcia_socket_entry_s
*next
;
1534 } *pcmcia_sockets
= 0;
1536 void pcmcia_socket_register(PCMCIASocket
*socket
)
1538 struct pcmcia_socket_entry_s
*entry
;
1540 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1541 entry
->socket
= socket
;
1542 entry
->next
= pcmcia_sockets
;
1543 pcmcia_sockets
= entry
;
1546 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1548 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1550 ptr
= &pcmcia_sockets
;
1551 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1552 if (entry
->socket
== socket
) {
1558 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1560 struct pcmcia_socket_entry_s
*iter
;
1562 if (!pcmcia_sockets
)
1563 monitor_printf(mon
, "No PCMCIA sockets\n");
1565 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1566 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1567 iter
->socket
->attached
? iter
->socket
->card_string
:
1571 /***********************************************************/
1572 /* machine registration */
1574 static QEMUMachine
*first_machine
= NULL
;
1575 QEMUMachine
*current_machine
= NULL
;
1577 int qemu_register_machine(QEMUMachine
*m
)
1580 pm
= &first_machine
;
1588 static QEMUMachine
*find_machine(const char *name
)
1592 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1593 if (!strcmp(m
->name
, name
))
1595 if (m
->alias
&& !strcmp(m
->alias
, name
))
1601 QEMUMachine
*find_default_machine(void)
1605 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1606 if (m
->is_default
) {
1613 MachineInfoList
*qmp_query_machines(Error
**errp
)
1615 MachineInfoList
*mach_list
= NULL
;
1618 for (m
= first_machine
; m
; m
= m
->next
) {
1619 MachineInfoList
*entry
;
1622 info
= g_malloc0(sizeof(*info
));
1623 if (m
->is_default
) {
1624 info
->has_is_default
= true;
1625 info
->is_default
= true;
1629 info
->has_alias
= true;
1630 info
->alias
= g_strdup(m
->alias
);
1633 info
->name
= g_strdup(m
->name
);
1634 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1636 entry
= g_malloc0(sizeof(*entry
));
1637 entry
->value
= info
;
1638 entry
->next
= mach_list
;
1645 /***********************************************************/
1646 /* main execution loop */
1648 struct vm_change_state_entry
{
1649 VMChangeStateHandler
*cb
;
1651 QLIST_ENTRY (vm_change_state_entry
) entries
;
1654 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1656 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1659 VMChangeStateEntry
*e
;
1661 e
= g_malloc0(sizeof (*e
));
1665 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1669 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1671 QLIST_REMOVE (e
, entries
);
1675 void vm_state_notify(int running
, RunState state
)
1677 VMChangeStateEntry
*e
;
1679 trace_vm_state_notify(running
, state
);
1681 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1682 e
->cb(e
->opaque
, running
, state
);
1688 if (!runstate_is_running()) {
1690 runstate_set(RUN_STATE_RUNNING
);
1691 vm_state_notify(1, RUN_STATE_RUNNING
);
1693 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1697 /* reset/shutdown handler */
1699 typedef struct QEMUResetEntry
{
1700 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1701 QEMUResetHandler
*func
;
1705 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1706 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1707 static int reset_requested
;
1708 static int shutdown_requested
, shutdown_signal
= -1;
1709 static pid_t shutdown_pid
;
1710 static int powerdown_requested
;
1711 static int debug_requested
;
1712 static int suspend_requested
;
1713 static WakeupReason wakeup_reason
;
1714 static NotifierList powerdown_notifiers
=
1715 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1716 static NotifierList suspend_notifiers
=
1717 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1718 static NotifierList wakeup_notifiers
=
1719 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1720 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1721 static RunState vmstop_requested
= RUN_STATE_MAX
;
1723 int qemu_shutdown_requested_get(void)
1725 return shutdown_requested
;
1728 int qemu_reset_requested_get(void)
1730 return reset_requested
;
1733 static int qemu_shutdown_requested(void)
1735 int r
= shutdown_requested
;
1736 shutdown_requested
= 0;
1740 static void qemu_kill_report(void)
1742 if (!qtest_driver() && shutdown_signal
!= -1) {
1743 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1744 if (shutdown_pid
== 0) {
1745 /* This happens for eg ^C at the terminal, so it's worth
1746 * avoiding printing an odd message in that case.
1748 fputc('\n', stderr
);
1750 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1752 shutdown_signal
= -1;
1756 static int qemu_reset_requested(void)
1758 int r
= reset_requested
;
1759 reset_requested
= 0;
1763 static int qemu_suspend_requested(void)
1765 int r
= suspend_requested
;
1766 suspend_requested
= 0;
1770 static WakeupReason
qemu_wakeup_requested(void)
1772 return wakeup_reason
;
1775 static int qemu_powerdown_requested(void)
1777 int r
= powerdown_requested
;
1778 powerdown_requested
= 0;
1782 static int qemu_debug_requested(void)
1784 int r
= debug_requested
;
1785 debug_requested
= 0;
1789 /* We use RUN_STATE_MAX but any invalid value will do */
1790 static bool qemu_vmstop_requested(RunState
*r
)
1792 if (vmstop_requested
< RUN_STATE_MAX
) {
1793 *r
= vmstop_requested
;
1794 vmstop_requested
= RUN_STATE_MAX
;
1801 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1803 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1806 re
->opaque
= opaque
;
1807 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1810 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1814 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1815 if (re
->func
== func
&& re
->opaque
== opaque
) {
1816 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1823 void qemu_devices_reset(void)
1825 QEMUResetEntry
*re
, *nre
;
1827 /* reset all devices */
1828 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1829 re
->func(re
->opaque
);
1833 void qemu_system_reset(bool report
)
1835 if (current_machine
&& current_machine
->reset
) {
1836 current_machine
->reset();
1838 qemu_devices_reset();
1841 monitor_protocol_event(QEVENT_RESET
, NULL
);
1843 cpu_synchronize_all_post_reset();
1846 void qemu_system_reset_request(void)
1849 shutdown_requested
= 1;
1851 reset_requested
= 1;
1854 qemu_notify_event();
1857 static void qemu_system_suspend(void)
1860 notifier_list_notify(&suspend_notifiers
, NULL
);
1861 runstate_set(RUN_STATE_SUSPENDED
);
1862 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1865 void qemu_system_suspend_request(void)
1867 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1870 suspend_requested
= 1;
1872 qemu_notify_event();
1875 void qemu_register_suspend_notifier(Notifier
*notifier
)
1877 notifier_list_add(&suspend_notifiers
, notifier
);
1880 void qemu_system_wakeup_request(WakeupReason reason
)
1882 trace_system_wakeup_request(reason
);
1884 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1887 if (!(wakeup_reason_mask
& (1 << reason
))) {
1890 runstate_set(RUN_STATE_RUNNING
);
1891 wakeup_reason
= reason
;
1892 qemu_notify_event();
1895 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1898 wakeup_reason_mask
|= (1 << reason
);
1900 wakeup_reason_mask
&= ~(1 << reason
);
1904 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1906 notifier_list_add(&wakeup_notifiers
, notifier
);
1909 void qemu_system_killed(int signal
, pid_t pid
)
1911 shutdown_signal
= signal
;
1914 qemu_system_shutdown_request();
1917 void qemu_system_shutdown_request(void)
1919 shutdown_requested
= 1;
1920 qemu_notify_event();
1923 static void qemu_system_powerdown(void)
1925 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1926 notifier_list_notify(&powerdown_notifiers
, NULL
);
1929 void qemu_system_powerdown_request(void)
1931 powerdown_requested
= 1;
1932 qemu_notify_event();
1935 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1937 notifier_list_add(&powerdown_notifiers
, notifier
);
1940 void qemu_system_debug_request(void)
1942 debug_requested
= 1;
1943 qemu_notify_event();
1946 void qemu_system_vmstop_request(RunState state
)
1948 vmstop_requested
= state
;
1949 qemu_notify_event();
1952 static bool main_loop_should_exit(void)
1955 if (qemu_debug_requested()) {
1956 vm_stop(RUN_STATE_DEBUG
);
1958 if (qemu_suspend_requested()) {
1959 qemu_system_suspend();
1961 if (qemu_shutdown_requested()) {
1963 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1965 vm_stop(RUN_STATE_SHUTDOWN
);
1970 if (qemu_reset_requested()) {
1972 cpu_synchronize_all_states();
1973 qemu_system_reset(VMRESET_REPORT
);
1975 if (runstate_needs_reset()) {
1976 runstate_set(RUN_STATE_PAUSED
);
1979 if (qemu_wakeup_requested()) {
1981 cpu_synchronize_all_states();
1982 qemu_system_reset(VMRESET_SILENT
);
1983 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1984 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1986 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1988 if (qemu_powerdown_requested()) {
1989 qemu_system_powerdown();
1991 if (qemu_vmstop_requested(&r
)) {
1997 static void main_loop(void)
2001 #ifdef CONFIG_PROFILER
2005 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2006 #ifdef CONFIG_PROFILER
2007 ti
= profile_getclock();
2009 last_io
= main_loop_wait(nonblocking
);
2010 #ifdef CONFIG_PROFILER
2011 dev_time
+= profile_getclock() - ti
;
2013 } while (!main_loop_should_exit());
2016 static void version(void)
2018 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2021 static void help(int exitcode
)
2024 printf("usage: %s [options] [disk_image]\n\n"
2025 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2026 error_get_progname());
2028 #define QEMU_OPTIONS_GENERATE_HELP
2029 #include "qemu-options-wrapper.h"
2031 printf("\nDuring emulation, the following keys are useful:\n"
2032 "ctrl-alt-f toggle full screen\n"
2033 "ctrl-alt-n switch to virtual console 'n'\n"
2034 "ctrl-alt toggle mouse and keyboard grab\n"
2036 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2041 #define HAS_ARG 0x0001
2043 typedef struct QEMUOption
{
2050 static const QEMUOption qemu_options
[] = {
2051 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2052 #define QEMU_OPTIONS_GENERATE_OPTIONS
2053 #include "qemu-options-wrapper.h"
2057 static bool vga_available(void)
2059 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2062 static bool cirrus_vga_available(void)
2064 return object_class_by_name("cirrus-vga")
2065 || object_class_by_name("isa-cirrus-vga");
2068 static bool vmware_vga_available(void)
2070 return object_class_by_name("vmware-svga");
2073 static bool qxl_vga_available(void)
2075 return object_class_by_name("qxl-vga");
2078 static bool tcx_vga_available(void)
2080 return object_class_by_name("SUNW,tcx");
2083 static bool cg3_vga_available(void)
2085 return object_class_by_name("cgthree");
2088 static void select_vgahw (const char *p
)
2092 vga_interface_type
= VGA_NONE
;
2093 if (strstart(p
, "std", &opts
)) {
2094 if (vga_available()) {
2095 vga_interface_type
= VGA_STD
;
2097 fprintf(stderr
, "Error: standard VGA not available\n");
2100 } else if (strstart(p
, "cirrus", &opts
)) {
2101 if (cirrus_vga_available()) {
2102 vga_interface_type
= VGA_CIRRUS
;
2104 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2107 } else if (strstart(p
, "vmware", &opts
)) {
2108 if (vmware_vga_available()) {
2109 vga_interface_type
= VGA_VMWARE
;
2111 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2114 } else if (strstart(p
, "xenfb", &opts
)) {
2115 vga_interface_type
= VGA_XENFB
;
2116 } else if (strstart(p
, "qxl", &opts
)) {
2117 if (qxl_vga_available()) {
2118 vga_interface_type
= VGA_QXL
;
2120 fprintf(stderr
, "Error: QXL VGA not available\n");
2123 } else if (strstart(p
, "tcx", &opts
)) {
2124 if (tcx_vga_available()) {
2125 vga_interface_type
= VGA_TCX
;
2127 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2130 } else if (strstart(p
, "cg3", &opts
)) {
2131 if (cg3_vga_available()) {
2132 vga_interface_type
= VGA_CG3
;
2134 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2137 } else if (!strstart(p
, "none", &opts
)) {
2139 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2143 const char *nextopt
;
2145 if (strstart(opts
, ",retrace=", &nextopt
)) {
2147 if (strstart(opts
, "dumb", &nextopt
))
2148 vga_retrace_method
= VGA_RETRACE_DUMB
;
2149 else if (strstart(opts
, "precise", &nextopt
))
2150 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2151 else goto invalid_vga
;
2152 } else goto invalid_vga
;
2157 static DisplayType
select_display(const char *p
)
2160 DisplayType display
= DT_DEFAULT
;
2162 if (strstart(p
, "sdl", &opts
)) {
2166 const char *nextopt
;
2168 if (strstart(opts
, ",frame=", &nextopt
)) {
2170 if (strstart(opts
, "on", &nextopt
)) {
2172 } else if (strstart(opts
, "off", &nextopt
)) {
2175 goto invalid_sdl_args
;
2177 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2179 if (strstart(opts
, "on", &nextopt
)) {
2181 } else if (strstart(opts
, "off", &nextopt
)) {
2184 goto invalid_sdl_args
;
2186 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2188 if (strstart(opts
, "on", &nextopt
)) {
2190 } else if (strstart(opts
, "off", &nextopt
)) {
2193 goto invalid_sdl_args
;
2195 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2197 if (strstart(opts
, "on", &nextopt
)) {
2199 } else if (strstart(opts
, "off", &nextopt
)) {
2202 goto invalid_sdl_args
;
2206 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2212 fprintf(stderr
, "SDL support is disabled\n");
2215 } else if (strstart(p
, "vnc", &opts
)) {
2220 const char *nextopt
;
2222 if (strstart(opts
, "=", &nextopt
)) {
2223 vnc_display
= nextopt
;
2227 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2231 fprintf(stderr
, "VNC support is disabled\n");
2234 } else if (strstart(p
, "curses", &opts
)) {
2235 #ifdef CONFIG_CURSES
2236 display
= DT_CURSES
;
2238 fprintf(stderr
, "Curses support is disabled\n");
2241 } else if (strstart(p
, "gtk", &opts
)) {
2245 fprintf(stderr
, "GTK support is disabled\n");
2248 } else if (strstart(p
, "none", &opts
)) {
2251 fprintf(stderr
, "Unknown display type: %s\n", p
);
2258 static int balloon_parse(const char *arg
)
2262 if (strcmp(arg
, "none") == 0) {
2266 if (!strncmp(arg
, "virtio", 6)) {
2267 if (arg
[6] == ',') {
2268 /* have params -> parse them */
2269 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2273 /* create empty opts */
2274 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2277 qemu_opt_set(opts
, "driver", "virtio-balloon");
2284 char *qemu_find_file(int type
, const char *name
)
2290 /* Try the name as a straight path first */
2291 if (access(name
, R_OK
) == 0) {
2292 trace_load_file(name
, name
);
2293 return g_strdup(name
);
2297 case QEMU_FILE_TYPE_BIOS
:
2300 case QEMU_FILE_TYPE_KEYMAP
:
2301 subdir
= "keymaps/";
2307 for (i
= 0; i
< data_dir_idx
; i
++) {
2308 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2309 if (access(buf
, R_OK
) == 0) {
2310 trace_load_file(name
, buf
);
2318 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2320 return qdev_device_help(opts
);
2323 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2327 dev
= qdev_device_add(opts
);
2330 object_unref(OBJECT(dev
));
2334 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2336 Error
*local_err
= NULL
;
2338 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2340 error_report("%s", error_get_pretty(local_err
));
2341 error_free(local_err
);
2347 #ifdef CONFIG_VIRTFS
2348 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2351 ret
= qemu_fsdev_add(opts
);
2357 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2359 CharDriverState
*chr
;
2360 const char *chardev
;
2364 mode
= qemu_opt_get(opts
, "mode");
2368 if (strcmp(mode
, "readline") == 0) {
2369 flags
= MONITOR_USE_READLINE
;
2370 } else if (strcmp(mode
, "control") == 0) {
2371 flags
= MONITOR_USE_CONTROL
;
2373 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2377 if (qemu_opt_get_bool(opts
, "pretty", 0))
2378 flags
|= MONITOR_USE_PRETTY
;
2380 if (qemu_opt_get_bool(opts
, "default", 0))
2381 flags
|= MONITOR_IS_DEFAULT
;
2383 chardev
= qemu_opt_get(opts
, "chardev");
2384 chr
= qemu_chr_find(chardev
);
2386 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2390 qemu_chr_fe_claim_no_fail(chr
);
2391 monitor_init(chr
, flags
);
2395 static void monitor_parse(const char *optarg
, const char *mode
)
2397 static int monitor_device_index
= 0;
2403 if (strstart(optarg
, "chardev:", &p
)) {
2404 snprintf(label
, sizeof(label
), "%s", p
);
2406 snprintf(label
, sizeof(label
), "compat_monitor%d",
2407 monitor_device_index
);
2408 if (monitor_device_index
== 0) {
2411 opts
= qemu_chr_parse_compat(label
, optarg
);
2413 fprintf(stderr
, "parse error: %s\n", optarg
);
2418 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2420 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2423 qemu_opt_set(opts
, "mode", mode
);
2424 qemu_opt_set(opts
, "chardev", label
);
2426 qemu_opt_set(opts
, "default", "on");
2427 monitor_device_index
++;
2430 struct device_config
{
2432 DEV_USB
, /* -usbdevice */
2434 DEV_SERIAL
, /* -serial */
2435 DEV_PARALLEL
, /* -parallel */
2436 DEV_VIRTCON
, /* -virtioconsole */
2437 DEV_DEBUGCON
, /* -debugcon */
2438 DEV_GDB
, /* -gdb, -s */
2439 DEV_SCLP
, /* s390 sclp */
2441 const char *cmdline
;
2443 QTAILQ_ENTRY(device_config
) next
;
2446 static QTAILQ_HEAD(, device_config
) device_configs
=
2447 QTAILQ_HEAD_INITIALIZER(device_configs
);
2449 static void add_device_config(int type
, const char *cmdline
)
2451 struct device_config
*conf
;
2453 conf
= g_malloc0(sizeof(*conf
));
2455 conf
->cmdline
= cmdline
;
2456 loc_save(&conf
->loc
);
2457 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2460 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2462 struct device_config
*conf
;
2465 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2466 if (conf
->type
!= type
)
2468 loc_push_restore(&conf
->loc
);
2469 rc
= func(conf
->cmdline
);
2470 loc_pop(&conf
->loc
);
2477 static int serial_parse(const char *devname
)
2479 static int index
= 0;
2482 if (strcmp(devname
, "none") == 0)
2484 if (index
== MAX_SERIAL_PORTS
) {
2485 fprintf(stderr
, "qemu: too many serial ports\n");
2488 snprintf(label
, sizeof(label
), "serial%d", index
);
2489 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2490 if (!serial_hds
[index
]) {
2491 fprintf(stderr
, "qemu: could not connect serial device"
2492 " to character backend '%s'\n", devname
);
2499 static int parallel_parse(const char *devname
)
2501 static int index
= 0;
2504 if (strcmp(devname
, "none") == 0)
2506 if (index
== MAX_PARALLEL_PORTS
) {
2507 fprintf(stderr
, "qemu: too many parallel ports\n");
2510 snprintf(label
, sizeof(label
), "parallel%d", index
);
2511 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2512 if (!parallel_hds
[index
]) {
2513 fprintf(stderr
, "qemu: could not connect parallel device"
2514 " to character backend '%s'\n", devname
);
2521 static int virtcon_parse(const char *devname
)
2523 QemuOptsList
*device
= qemu_find_opts("device");
2524 static int index
= 0;
2526 QemuOpts
*bus_opts
, *dev_opts
;
2528 if (strcmp(devname
, "none") == 0)
2530 if (index
== MAX_VIRTIO_CONSOLES
) {
2531 fprintf(stderr
, "qemu: too many virtio consoles\n");
2535 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2536 if (arch_type
== QEMU_ARCH_S390X
) {
2537 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2539 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2542 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2543 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2545 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2546 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2547 if (!virtcon_hds
[index
]) {
2548 fprintf(stderr
, "qemu: could not connect virtio console"
2549 " to character backend '%s'\n", devname
);
2552 qemu_opt_set(dev_opts
, "chardev", label
);
2558 static int sclp_parse(const char *devname
)
2560 QemuOptsList
*device
= qemu_find_opts("device");
2561 static int index
= 0;
2565 if (strcmp(devname
, "none") == 0) {
2568 if (index
== MAX_SCLP_CONSOLES
) {
2569 fprintf(stderr
, "qemu: too many sclp consoles\n");
2573 assert(arch_type
== QEMU_ARCH_S390X
);
2575 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2576 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2578 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2579 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2580 if (!sclp_hds
[index
]) {
2581 fprintf(stderr
, "qemu: could not connect sclp console"
2582 " to character backend '%s'\n", devname
);
2585 qemu_opt_set(dev_opts
, "chardev", label
);
2591 static int debugcon_parse(const char *devname
)
2595 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2598 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2600 fprintf(stderr
, "qemu: already have a debugcon device\n");
2603 qemu_opt_set(opts
, "driver", "isa-debugcon");
2604 qemu_opt_set(opts
, "chardev", "debugcon");
2608 static QEMUMachine
*machine_parse(const char *name
)
2610 QEMUMachine
*m
, *machine
= NULL
;
2613 machine
= find_machine(name
);
2618 printf("Supported machines are:\n");
2619 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2621 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2623 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2624 m
->is_default
? " (default)" : "");
2626 exit(!name
|| !is_help_option(name
));
2629 static int tcg_init(QEMUMachine
*machine
)
2631 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2636 const char *opt_name
;
2638 int (*available
)(void);
2639 int (*init
)(QEMUMachine
*);
2642 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2643 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2644 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2645 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2648 static int configure_accelerator(QEMUMachine
*machine
)
2653 bool accel_initialised
= false;
2654 bool init_failed
= false;
2656 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2658 /* Use the default "accelerator", tcg */
2662 while (!accel_initialised
&& *p
!= '\0') {
2666 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2667 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2668 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2669 if (!accel_list
[i
].available()) {
2670 printf("%s not supported for this target\n",
2671 accel_list
[i
].name
);
2674 *(accel_list
[i
].allowed
) = true;
2675 ret
= accel_list
[i
].init(machine
);
2678 fprintf(stderr
, "failed to initialize %s: %s\n",
2681 *(accel_list
[i
].allowed
) = false;
2683 accel_initialised
= true;
2688 if (i
== ARRAY_SIZE(accel_list
)) {
2689 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2693 if (!accel_initialised
) {
2695 fprintf(stderr
, "No accelerator found!\n");
2701 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2704 return !accel_initialised
;
2707 void qemu_add_exit_notifier(Notifier
*notify
)
2709 notifier_list_add(&exit_notifiers
, notify
);
2712 void qemu_remove_exit_notifier(Notifier
*notify
)
2714 notifier_remove(notify
);
2717 static void qemu_run_exit_notifiers(void)
2719 notifier_list_notify(&exit_notifiers
, NULL
);
2722 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2724 notifier_list_add(&machine_init_done_notifiers
, notify
);
2727 static void qemu_run_machine_init_done_notifiers(void)
2729 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2732 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2733 const char **poptarg
, int *poptind
)
2735 const QEMUOption
*popt
;
2736 int optind
= *poptind
;
2737 char *r
= argv
[optind
];
2740 loc_set_cmdline(argv
, optind
, 1);
2742 /* Treat --foo the same as -foo. */
2745 popt
= qemu_options
;
2748 error_report("invalid option");
2751 if (!strcmp(popt
->name
, r
+ 1))
2755 if (popt
->flags
& HAS_ARG
) {
2756 if (optind
>= argc
) {
2757 error_report("requires an argument");
2760 optarg
= argv
[optind
++];
2761 loc_set_cmdline(argv
, optind
- 2, 2);
2772 static gpointer
malloc_and_trace(gsize n_bytes
)
2774 void *ptr
= malloc(n_bytes
);
2775 trace_g_malloc(n_bytes
, ptr
);
2779 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2781 void *ptr
= realloc(mem
, n_bytes
);
2782 trace_g_realloc(mem
, n_bytes
, ptr
);
2786 static void free_and_trace(gpointer mem
)
2792 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2794 Object
*obj
= OBJECT(opaque
);
2795 StringInputVisitor
*siv
;
2796 Error
*local_err
= NULL
;
2798 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2802 siv
= string_input_visitor_new(value
);
2803 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2804 string_input_visitor_cleanup(siv
);
2807 qerror_report_err(local_err
);
2808 error_free(local_err
);
2815 static int object_create(QemuOpts
*opts
, void *opaque
)
2817 const char *type
= qemu_opt_get(opts
, "qom-type");
2818 const char *id
= qemu_opts_id(opts
);
2819 Error
*local_err
= NULL
;
2822 g_assert(type
!= NULL
);
2825 qerror_report(QERR_MISSING_PARAMETER
, "id");
2829 obj
= object_new(type
);
2830 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2835 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2836 error_setg(&local_err
, "object '%s' isn't supported by -object",
2841 user_creatable_complete(obj
, &local_err
);
2846 object_property_add_child(container_get(object_get_root(), "/objects"),
2847 id
, obj
, &local_err
);
2852 qerror_report_err(local_err
);
2853 error_free(local_err
);
2859 int main(int argc
, char **argv
, char **envp
)
2862 int snapshot
, linux_boot
;
2863 const char *icount_option
= NULL
;
2864 const char *initrd_filename
;
2865 const char *kernel_filename
, *kernel_cmdline
;
2866 const char *boot_order
;
2868 int cyls
, heads
, secs
, translation
;
2869 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2870 QemuOptsList
*olist
;
2873 const char *loadvm
= NULL
;
2874 QEMUMachine
*machine
;
2875 const char *cpu_model
;
2876 const char *vga_model
= "none";
2877 const char *qtest_chrdev
= NULL
;
2878 const char *qtest_log
= NULL
;
2879 const char *pid_file
= NULL
;
2880 const char *incoming
= NULL
;
2882 int show_vnc_port
= 0;
2884 bool defconfig
= true;
2885 bool userconfig
= true;
2886 const char *log_mask
= NULL
;
2887 const char *log_file
= NULL
;
2888 GMemVTable mem_trace
= {
2889 .malloc
= malloc_and_trace
,
2890 .realloc
= realloc_and_trace
,
2891 .free
= free_and_trace
,
2893 const char *trace_events
= NULL
;
2894 const char *trace_file
= NULL
;
2896 atexit(qemu_run_exit_notifiers
);
2897 error_set_progname(argv
[0]);
2898 qemu_init_exec_dir(argv
[0]);
2900 g_mem_set_vtable(&mem_trace
);
2901 if (!g_thread_supported()) {
2902 #if !GLIB_CHECK_VERSION(2, 31, 0)
2903 g_thread_init(NULL
);
2905 fprintf(stderr
, "glib threading failed to initialize.\n");
2910 module_call_init(MODULE_INIT_QOM
);
2912 qemu_add_opts(&qemu_drive_opts
);
2913 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2914 qemu_add_drive_opts(&qemu_common_drive_opts
);
2915 qemu_add_drive_opts(&qemu_drive_opts
);
2916 qemu_add_opts(&qemu_chardev_opts
);
2917 qemu_add_opts(&qemu_device_opts
);
2918 qemu_add_opts(&qemu_netdev_opts
);
2919 qemu_add_opts(&qemu_net_opts
);
2920 qemu_add_opts(&qemu_rtc_opts
);
2921 qemu_add_opts(&qemu_global_opts
);
2922 qemu_add_opts(&qemu_mon_opts
);
2923 qemu_add_opts(&qemu_trace_opts
);
2924 qemu_add_opts(&qemu_option_rom_opts
);
2925 qemu_add_opts(&qemu_machine_opts
);
2926 qemu_add_opts(&qemu_smp_opts
);
2927 qemu_add_opts(&qemu_boot_opts
);
2928 qemu_add_opts(&qemu_sandbox_opts
);
2929 qemu_add_opts(&qemu_add_fd_opts
);
2930 qemu_add_opts(&qemu_object_opts
);
2931 qemu_add_opts(&qemu_tpmdev_opts
);
2932 qemu_add_opts(&qemu_realtime_opts
);
2933 qemu_add_opts(&qemu_msg_opts
);
2934 qemu_add_opts(&qemu_name_opts
);
2939 rtc_clock
= QEMU_CLOCK_HOST
;
2941 qemu_init_auxval(envp
);
2942 qemu_cache_utils_init();
2944 QLIST_INIT (&vm_change_state_head
);
2945 os_setup_early_signal_handling();
2947 module_call_init(MODULE_INIT_MACHINE
);
2948 machine
= find_default_machine();
2952 cyls
= heads
= secs
= 0;
2953 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2955 for (i
= 0; i
< MAX_NODES
; i
++) {
2957 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2963 bdrv_init_with_whitelist();
2967 /* first pass of option parsing */
2969 while (optind
< argc
) {
2970 if (argv
[optind
][0] != '-') {
2975 const QEMUOption
*popt
;
2977 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2978 switch (popt
->index
) {
2979 case QEMU_OPTION_nodefconfig
:
2982 case QEMU_OPTION_nouserconfig
:
2991 ret
= qemu_read_default_config_files(userconfig
);
2997 /* second pass of option parsing */
3002 if (argv
[optind
][0] != '-') {
3003 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3005 const QEMUOption
*popt
;
3007 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3008 if (!(popt
->arch_mask
& arch_type
)) {
3009 printf("Option %s not supported for this target\n", popt
->name
);
3012 switch(popt
->index
) {
3014 machine
= machine_parse(optarg
);
3016 case QEMU_OPTION_no_kvm_irqchip
: {
3017 olist
= qemu_find_opts("machine");
3018 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3021 case QEMU_OPTION_cpu
:
3022 /* hw initialization will check this */
3025 case QEMU_OPTION_hda
:
3029 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3031 snprintf(buf
, sizeof(buf
),
3032 "%s,cyls=%d,heads=%d,secs=%d%s",
3033 HD_OPTS
, cyls
, heads
, secs
,
3034 translation
== BIOS_ATA_TRANSLATION_LBA
?
3036 translation
== BIOS_ATA_TRANSLATION_NONE
?
3037 ",trans=none" : "");
3038 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3041 case QEMU_OPTION_hdb
:
3042 case QEMU_OPTION_hdc
:
3043 case QEMU_OPTION_hdd
:
3044 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3047 case QEMU_OPTION_drive
:
3048 if (drive_def(optarg
) == NULL
) {
3052 case QEMU_OPTION_set
:
3053 if (qemu_set_option(optarg
) != 0)
3056 case QEMU_OPTION_global
:
3057 if (qemu_global_option(optarg
) != 0)
3060 case QEMU_OPTION_mtdblock
:
3061 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3063 case QEMU_OPTION_sd
:
3064 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3066 case QEMU_OPTION_pflash
:
3067 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3069 case QEMU_OPTION_snapshot
:
3072 case QEMU_OPTION_hdachs
:
3076 cyls
= strtol(p
, (char **)&p
, 0);
3077 if (cyls
< 1 || cyls
> 16383)
3082 heads
= strtol(p
, (char **)&p
, 0);
3083 if (heads
< 1 || heads
> 16)
3088 secs
= strtol(p
, (char **)&p
, 0);
3089 if (secs
< 1 || secs
> 63)
3093 if (!strcmp(p
, "large")) {
3094 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3095 } else if (!strcmp(p
, "rechs")) {
3096 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3097 } else if (!strcmp(p
, "none")) {
3098 translation
= BIOS_ATA_TRANSLATION_NONE
;
3099 } else if (!strcmp(p
, "lba")) {
3100 translation
= BIOS_ATA_TRANSLATION_LBA
;
3101 } else if (!strcmp(p
, "auto")) {
3102 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3106 } else if (*p
!= '\0') {
3108 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3111 if (hda_opts
!= NULL
) {
3113 snprintf(num
, sizeof(num
), "%d", cyls
);
3114 qemu_opt_set(hda_opts
, "cyls", num
);
3115 snprintf(num
, sizeof(num
), "%d", heads
);
3116 qemu_opt_set(hda_opts
, "heads", num
);
3117 snprintf(num
, sizeof(num
), "%d", secs
);
3118 qemu_opt_set(hda_opts
, "secs", num
);
3119 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3120 qemu_opt_set(hda_opts
, "trans", "large");
3121 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3122 qemu_opt_set(hda_opts
, "trans", "rechs");
3123 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3124 qemu_opt_set(hda_opts
, "trans", "lba");
3125 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3126 qemu_opt_set(hda_opts
, "trans", "none");
3131 case QEMU_OPTION_numa
:
3134 case QEMU_OPTION_display
:
3135 display_type
= select_display(optarg
);
3137 case QEMU_OPTION_nographic
:
3138 display_type
= DT_NOGRAPHIC
;
3140 case QEMU_OPTION_curses
:
3141 #ifdef CONFIG_CURSES
3142 display_type
= DT_CURSES
;
3144 fprintf(stderr
, "Curses support is disabled\n");
3148 case QEMU_OPTION_portrait
:
3149 graphic_rotate
= 90;
3151 case QEMU_OPTION_rotate
:
3152 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3153 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3154 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3156 "qemu: only 90, 180, 270 deg rotation is available\n");
3160 case QEMU_OPTION_kernel
:
3161 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3163 case QEMU_OPTION_initrd
:
3164 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3166 case QEMU_OPTION_append
:
3167 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3169 case QEMU_OPTION_dtb
:
3170 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3172 case QEMU_OPTION_cdrom
:
3173 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3175 case QEMU_OPTION_boot
:
3176 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3181 case QEMU_OPTION_fda
:
3182 case QEMU_OPTION_fdb
:
3183 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3186 case QEMU_OPTION_no_fd_bootchk
:
3189 case QEMU_OPTION_netdev
:
3190 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3194 case QEMU_OPTION_net
:
3195 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3199 #ifdef CONFIG_LIBISCSI
3200 case QEMU_OPTION_iscsi
:
3201 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3208 case QEMU_OPTION_tftp
:
3209 legacy_tftp_prefix
= optarg
;
3211 case QEMU_OPTION_bootp
:
3212 legacy_bootp_filename
= optarg
;
3214 case QEMU_OPTION_redir
:
3215 if (net_slirp_redir(optarg
) < 0)
3219 case QEMU_OPTION_bt
:
3220 add_device_config(DEV_BT
, optarg
);
3222 case QEMU_OPTION_audio_help
:
3226 case QEMU_OPTION_soundhw
:
3227 select_soundhw (optarg
);
3232 case QEMU_OPTION_version
:
3236 case QEMU_OPTION_m
: {
3241 value
= strtosz(optarg
, &end
);
3242 if (value
< 0 || *end
) {
3243 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3246 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3248 if (ram_size
!= sz
) {
3249 fprintf(stderr
, "qemu: ram size too large\n");
3255 case QEMU_OPTION_tpmdev
:
3256 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3261 case QEMU_OPTION_mempath
:
3264 case QEMU_OPTION_mem_prealloc
:
3274 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3276 case QEMU_OPTION_gdb
:
3277 add_device_config(DEV_GDB
, optarg
);
3280 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3281 data_dir
[data_dir_idx
++] = optarg
;
3284 case QEMU_OPTION_bios
:
3285 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3287 case QEMU_OPTION_singlestep
:
3294 keyboard_layout
= optarg
;
3296 case QEMU_OPTION_localtime
:
3299 case QEMU_OPTION_vga
:
3308 w
= strtol(p
, (char **)&p
, 10);
3311 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3317 h
= strtol(p
, (char **)&p
, 10);
3322 depth
= strtol(p
, (char **)&p
, 10);
3323 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3324 depth
!= 24 && depth
!= 32)
3326 } else if (*p
== '\0') {
3327 depth
= graphic_depth
;
3334 graphic_depth
= depth
;
3337 case QEMU_OPTION_echr
:
3340 term_escape_char
= strtol(optarg
, &r
, 0);
3342 printf("Bad argument to echr\n");
3345 case QEMU_OPTION_monitor
:
3346 default_monitor
= 0;
3347 if (strncmp(optarg
, "none", 4)) {
3348 monitor_parse(optarg
, "readline");
3351 case QEMU_OPTION_qmp
:
3352 monitor_parse(optarg
, "control");
3353 default_monitor
= 0;
3355 case QEMU_OPTION_mon
:
3356 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3360 default_monitor
= 0;
3362 case QEMU_OPTION_chardev
:
3363 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3368 case QEMU_OPTION_fsdev
:
3369 olist
= qemu_find_opts("fsdev");
3371 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3374 opts
= qemu_opts_parse(olist
, optarg
, 1);
3379 case QEMU_OPTION_virtfs
: {
3382 const char *writeout
, *sock_fd
, *socket
;
3384 olist
= qemu_find_opts("virtfs");
3386 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3389 opts
= qemu_opts_parse(olist
, optarg
, 1);
3394 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3395 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3396 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3399 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3400 qemu_opt_get(opts
, "mount_tag"),
3403 fprintf(stderr
, "duplicate fsdev id: %s\n",
3404 qemu_opt_get(opts
, "mount_tag"));
3408 writeout
= qemu_opt_get(opts
, "writeout");
3410 #ifdef CONFIG_SYNC_FILE_RANGE
3411 qemu_opt_set(fsdev
, "writeout", writeout
);
3413 fprintf(stderr
, "writeout=immediate not supported on "
3418 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3419 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3420 qemu_opt_set(fsdev
, "security_model",
3421 qemu_opt_get(opts
, "security_model"));
3422 socket
= qemu_opt_get(opts
, "socket");
3424 qemu_opt_set(fsdev
, "socket", socket
);
3426 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3428 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3431 qemu_opt_set_bool(fsdev
, "readonly",
3432 qemu_opt_get_bool(opts
, "readonly", 0));
3433 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3435 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3436 qemu_opt_set(device
, "fsdev",
3437 qemu_opt_get(opts
, "mount_tag"));
3438 qemu_opt_set(device
, "mount_tag",
3439 qemu_opt_get(opts
, "mount_tag"));
3442 case QEMU_OPTION_virtfs_synth
: {
3446 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3449 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3452 qemu_opt_set(fsdev
, "fsdriver", "synth");
3454 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3456 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3457 qemu_opt_set(device
, "fsdev", "v_synth");
3458 qemu_opt_set(device
, "mount_tag", "v_synth");
3461 case QEMU_OPTION_serial
:
3462 add_device_config(DEV_SERIAL
, optarg
);
3464 if (strncmp(optarg
, "mon:", 4) == 0) {
3465 default_monitor
= 0;
3468 case QEMU_OPTION_watchdog
:
3471 "qemu: only one watchdog option may be given\n");
3476 case QEMU_OPTION_watchdog_action
:
3477 if (select_watchdog_action(optarg
) == -1) {
3478 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3482 case QEMU_OPTION_virtiocon
:
3483 add_device_config(DEV_VIRTCON
, optarg
);
3484 default_virtcon
= 0;
3485 if (strncmp(optarg
, "mon:", 4) == 0) {
3486 default_monitor
= 0;
3489 case QEMU_OPTION_parallel
:
3490 add_device_config(DEV_PARALLEL
, optarg
);
3491 default_parallel
= 0;
3492 if (strncmp(optarg
, "mon:", 4) == 0) {
3493 default_monitor
= 0;
3496 case QEMU_OPTION_debugcon
:
3497 add_device_config(DEV_DEBUGCON
, optarg
);
3499 case QEMU_OPTION_loadvm
:
3502 case QEMU_OPTION_full_screen
:
3505 case QEMU_OPTION_no_frame
:
3508 case QEMU_OPTION_alt_grab
:
3511 case QEMU_OPTION_ctrl_grab
:
3514 case QEMU_OPTION_no_quit
:
3517 case QEMU_OPTION_sdl
:
3519 display_type
= DT_SDL
;
3522 fprintf(stderr
, "SDL support is disabled\n");
3525 case QEMU_OPTION_pidfile
:
3528 case QEMU_OPTION_win2k_hack
:
3529 win2k_install_hack
= 1;
3531 case QEMU_OPTION_rtc_td_hack
: {
3532 static GlobalProperty slew_lost_ticks
[] = {
3534 .driver
= "mc146818rtc",
3535 .property
= "lost_tick_policy",
3538 { /* end of list */ }
3541 qdev_prop_register_global_list(slew_lost_ticks
);
3544 case QEMU_OPTION_acpitable
:
3545 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3549 do_acpitable_option(opts
);
3551 case QEMU_OPTION_smbios
:
3552 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3556 do_smbios_option(opts
);
3558 case QEMU_OPTION_enable_kvm
:
3559 olist
= qemu_find_opts("machine");
3560 qemu_opts_parse(olist
, "accel=kvm", 0);
3562 case QEMU_OPTION_machine
:
3563 olist
= qemu_find_opts("machine");
3564 opts
= qemu_opts_parse(olist
, optarg
, 1);
3568 optarg
= qemu_opt_get(opts
, "type");
3570 machine
= machine_parse(optarg
);
3573 case QEMU_OPTION_no_kvm
:
3574 olist
= qemu_find_opts("machine");
3575 qemu_opts_parse(olist
, "accel=tcg", 0);
3577 case QEMU_OPTION_no_kvm_pit
: {
3578 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3582 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3583 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3585 .driver
= "kvm-pit",
3586 .property
= "lost_tick_policy",
3589 { /* end of list */ }
3592 fprintf(stderr
, "Warning: option deprecated, use "
3593 "lost_tick_policy property of kvm-pit instead.\n");
3594 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3597 case QEMU_OPTION_usb
:
3598 olist
= qemu_find_opts("machine");
3599 qemu_opts_parse(olist
, "usb=on", 0);
3601 case QEMU_OPTION_usbdevice
:
3602 olist
= qemu_find_opts("machine");
3603 qemu_opts_parse(olist
, "usb=on", 0);
3604 add_device_config(DEV_USB
, optarg
);
3606 case QEMU_OPTION_device
:
3607 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3611 case QEMU_OPTION_smp
:
3612 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3616 case QEMU_OPTION_vnc
:
3619 vnc_display
= optarg
;
3621 fprintf(stderr
, "VNC support is disabled\n");
3625 case QEMU_OPTION_no_acpi
:
3628 case QEMU_OPTION_no_hpet
:
3631 case QEMU_OPTION_balloon
:
3632 if (balloon_parse(optarg
) < 0) {
3633 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3637 case QEMU_OPTION_no_reboot
:
3640 case QEMU_OPTION_no_shutdown
:
3643 case QEMU_OPTION_show_cursor
:
3646 case QEMU_OPTION_uuid
:
3647 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3648 fprintf(stderr
, "Fail to parse UUID string."
3649 " Wrong format.\n");
3652 qemu_uuid_set
= true;
3654 case QEMU_OPTION_option_rom
:
3655 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3656 fprintf(stderr
, "Too many option ROMs\n");
3659 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3663 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3664 option_rom
[nb_option_roms
].bootindex
=
3665 qemu_opt_get_number(opts
, "bootindex", -1);
3666 if (!option_rom
[nb_option_roms
].name
) {
3667 fprintf(stderr
, "Option ROM file is not specified\n");
3672 case QEMU_OPTION_semihosting
:
3673 semihosting_enabled
= 1;
3675 case QEMU_OPTION_tdf
:
3676 fprintf(stderr
, "Warning: user space PIT time drift fix "
3677 "is no longer supported.\n");
3679 case QEMU_OPTION_name
:
3680 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3686 case QEMU_OPTION_prom_env
:
3687 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3688 fprintf(stderr
, "Too many prom variables\n");
3691 prom_envs
[nb_prom_envs
] = optarg
;
3694 case QEMU_OPTION_old_param
:
3697 case QEMU_OPTION_clock
:
3698 /* Clock options no longer exist. Keep this option for
3699 * backward compatibility.
3702 case QEMU_OPTION_startdate
:
3703 configure_rtc_date_offset(optarg
, 1);
3705 case QEMU_OPTION_rtc
:
3706 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3710 configure_rtc(opts
);
3712 case QEMU_OPTION_tb_size
:
3713 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3714 if (tcg_tb_size
< 0) {
3718 case QEMU_OPTION_icount
:
3719 icount_option
= optarg
;
3721 case QEMU_OPTION_incoming
:
3723 runstate_set(RUN_STATE_INMIGRATE
);
3725 case QEMU_OPTION_nodefaults
:
3727 default_parallel
= 0;
3728 default_virtcon
= 0;
3730 default_monitor
= 0;
3737 case QEMU_OPTION_xen_domid
:
3738 if (!(xen_available())) {
3739 printf("Option %s not supported for this target\n", popt
->name
);
3742 xen_domid
= atoi(optarg
);
3744 case QEMU_OPTION_xen_create
:
3745 if (!(xen_available())) {
3746 printf("Option %s not supported for this target\n", popt
->name
);
3749 xen_mode
= XEN_CREATE
;
3751 case QEMU_OPTION_xen_attach
:
3752 if (!(xen_available())) {
3753 printf("Option %s not supported for this target\n", popt
->name
);
3756 xen_mode
= XEN_ATTACH
;
3758 case QEMU_OPTION_trace
:
3760 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3764 trace_events
= qemu_opt_get(opts
, "events");
3765 trace_file
= qemu_opt_get(opts
, "file");
3768 case QEMU_OPTION_readconfig
:
3770 int ret
= qemu_read_config_file(optarg
);
3772 fprintf(stderr
, "read config %s: %s\n", optarg
,
3778 case QEMU_OPTION_spice
:
3779 olist
= qemu_find_opts("spice");
3781 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3784 opts
= qemu_opts_parse(olist
, optarg
, 0);
3790 case QEMU_OPTION_writeconfig
:
3793 if (strcmp(optarg
, "-") == 0) {
3796 fp
= fopen(optarg
, "w");
3798 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3802 qemu_config_write(fp
);
3806 case QEMU_OPTION_qtest
:
3807 qtest_chrdev
= optarg
;
3809 case QEMU_OPTION_qtest_log
:
3812 case QEMU_OPTION_sandbox
:
3813 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3818 case QEMU_OPTION_add_fd
:
3820 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3825 error_report("File descriptor passing is disabled on this "
3830 case QEMU_OPTION_object
:
3831 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3836 case QEMU_OPTION_realtime
:
3837 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3841 configure_realtime(opts
);
3843 case QEMU_OPTION_msg
:
3844 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3848 configure_msg(opts
);
3851 os_parse_cmd_args(popt
->index
, optarg
);
3857 if (qemu_init_main_loop()) {
3858 fprintf(stderr
, "qemu_init_main_loop failed\n");
3862 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3867 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3871 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3876 if (machine
== NULL
) {
3877 fprintf(stderr
, "No machine found.\n");
3881 if (machine
->hw_version
) {
3882 qemu_set_version(machine
->hw_version
);
3885 if (qemu_opts_foreach(qemu_find_opts("object"),
3886 object_create
, NULL
, 0) != 0) {
3890 /* Init CPU def lists, based on config
3891 * - Must be called after all the qemu_read_config_file() calls
3892 * - Must be called before list_cpus()
3893 * - Must be called before machine->init()
3897 if (cpu_model
&& is_help_option(cpu_model
)) {
3898 list_cpus(stdout
, &fprintf
, cpu_model
);
3902 /* Open the logfile at this point, if necessary. We can't open the logfile
3903 * when encountering either of the logging options (-d or -D) because the
3904 * other one may be encountered later on the command line, changing the
3905 * location or level of logging.
3910 qemu_set_log_filename(log_file
);
3913 mask
= qemu_str_to_log_mask(log_mask
);
3915 qemu_print_log_usage(stdout
);
3921 if (!is_daemonized()) {
3922 if (!trace_backend_init(trace_events
, trace_file
)) {
3927 /* If no data_dir is specified then try to find it relative to the
3929 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3930 data_dir
[data_dir_idx
] = os_find_datadir();
3931 if (data_dir
[data_dir_idx
] != NULL
) {
3935 /* If all else fails use the install path specified when building. */
3936 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3937 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3940 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3942 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3943 if (smp_cpus
> machine
->max_cpus
) {
3944 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3945 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3951 * Get the default machine options from the machine if it is not already
3952 * specified either by the configuration file or by the command line.
3954 if (machine
->default_machine_opts
) {
3955 qemu_opts_set_defaults(qemu_find_opts("machine"),
3956 machine
->default_machine_opts
, 0);
3959 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3960 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3962 if (machine
->no_serial
) {
3965 if (machine
->no_parallel
) {
3966 default_parallel
= 0;
3968 if (!machine
->use_virtcon
) {
3969 default_virtcon
= 0;
3971 if (!machine
->use_sclp
) {
3974 if (machine
->no_floppy
) {
3977 if (machine
->no_cdrom
) {
3980 if (machine
->no_sdcard
) {
3984 if (is_daemonized()) {
3985 /* According to documentation and historically, -nographic redirects
3986 * serial port, parallel port and monitor to stdio, which does not work
3987 * with -daemonize. We can redirect these to null instead, but since
3988 * -nographic is legacy, let's just error out.
3989 * We disallow -nographic only if all other ports are not redirected
3990 * explicitly, to not break existing legacy setups which uses
3991 * -nographic _and_ redirects all ports explicitly - this is valid
3992 * usage, -nographic is just a no-op in this case.
3994 if (display_type
== DT_NOGRAPHIC
3995 && (default_parallel
|| default_serial
3996 || default_monitor
|| default_virtcon
)) {
3997 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4000 #ifdef CONFIG_CURSES
4001 if (display_type
== DT_CURSES
) {
4002 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4008 if (display_type
== DT_NOGRAPHIC
) {
4009 if (default_parallel
)
4010 add_device_config(DEV_PARALLEL
, "null");
4011 if (default_serial
&& default_monitor
) {
4012 add_device_config(DEV_SERIAL
, "mon:stdio");
4013 } else if (default_virtcon
&& default_monitor
) {
4014 add_device_config(DEV_VIRTCON
, "mon:stdio");
4015 } else if (default_sclp
&& default_monitor
) {
4016 add_device_config(DEV_SCLP
, "mon:stdio");
4019 add_device_config(DEV_SERIAL
, "stdio");
4020 if (default_virtcon
)
4021 add_device_config(DEV_VIRTCON
, "stdio");
4023 add_device_config(DEV_SCLP
, "stdio");
4025 if (default_monitor
)
4026 monitor_parse("stdio", "readline");
4030 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4031 if (default_parallel
)
4032 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4033 if (default_monitor
)
4034 monitor_parse("vc:80Cx24C", "readline");
4035 if (default_virtcon
)
4036 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4038 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4042 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4043 #if defined(CONFIG_GTK)
4044 display_type
= DT_GTK
;
4045 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4046 display_type
= DT_SDL
;
4047 #elif defined(CONFIG_VNC)
4048 vnc_display
= "localhost:0,to=99";
4051 display_type
= DT_NONE
;
4055 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4056 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4057 "for SDL, ignoring option\n");
4059 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4060 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4061 "ignoring option\n");
4064 #if defined(CONFIG_GTK)
4065 if (display_type
== DT_GTK
) {
4066 early_gtk_display_init();
4072 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4074 #ifdef CONFIG_VIRTFS
4075 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4082 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4087 /* init the memory */
4088 if (ram_size
== 0) {
4089 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4092 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4097 configure_accelerator(machine
);
4100 Error
*local_err
= NULL
;
4101 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4103 error_report("%s", error_get_pretty(local_err
));
4104 error_free(local_err
);
4109 machine_opts
= qemu_get_machine_opts();
4110 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4111 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4112 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4113 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4115 boot_order
= machine
->default_boot_order
;
4116 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4118 char *normal_boot_order
;
4119 const char *order
, *once
;
4121 order
= qemu_opt_get(opts
, "order");
4123 validate_bootdevices(order
);
4127 once
= qemu_opt_get(opts
, "once");
4129 validate_bootdevices(once
);
4130 normal_boot_order
= g_strdup(boot_order
);
4132 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4135 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4136 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4139 if (!kernel_cmdline
) {
4140 kernel_cmdline
= "";
4143 linux_boot
= (kernel_filename
!= NULL
);
4145 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4146 fprintf(stderr
, "-append only allowed with -kernel option\n");
4150 if (!linux_boot
&& initrd_filename
!= NULL
) {
4151 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4155 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4156 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4160 os_set_line_buffering();
4162 qemu_init_cpu_loop();
4163 qemu_mutex_lock_iothread();
4166 /* spice needs the timers to be initialized by this point */
4170 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4171 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4174 configure_icount(icount_option
);
4176 /* clean up network at qemu process termination */
4177 atexit(&net_cleanup
);
4179 if (net_init_clients() < 0) {
4184 if (tpm_init() < 0) {
4189 /* init the bluetooth world */
4190 if (foreach_device_config(DEV_BT
, bt_parse
))
4193 if (!xen_enabled()) {
4194 /* On 32-bit hosts, QEMU is limited by virtual address space */
4195 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4196 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4201 cpu_exec_init_all();
4205 /* open the virtual block devices */
4207 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4208 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4209 &machine
->block_default_type
, 1) != 0) {
4213 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4215 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4216 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4218 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4220 if (nb_numa_nodes
> 0) {
4223 if (nb_numa_nodes
> MAX_NODES
) {
4224 nb_numa_nodes
= MAX_NODES
;
4227 /* If no memory size if given for any node, assume the default case
4228 * and distribute the available memory equally across all nodes
4230 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4231 if (node_mem
[i
] != 0)
4234 if (i
== nb_numa_nodes
) {
4235 uint64_t usedmem
= 0;
4237 /* On Linux, the each node's border has to be 8MB aligned,
4238 * the final node gets the rest.
4240 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4241 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4242 usedmem
+= node_mem
[i
];
4244 node_mem
[i
] = ram_size
- usedmem
;
4247 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4248 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4252 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4253 * must cope with this anyway, because there are BIOSes out there in
4254 * real machines which also use this scheme.
4256 if (i
== nb_numa_nodes
) {
4257 for (i
= 0; i
< max_cpus
; i
++) {
4258 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4263 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4267 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4269 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4271 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4273 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4276 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4279 /* If no default VGA is requested, the default is "none". */
4281 if (cirrus_vga_available()) {
4282 vga_model
= "cirrus";
4283 } else if (vga_available()) {
4287 select_vgahw(vga_model
);
4290 i
= select_watchdog(watchdog
);
4292 exit (i
== 1 ? 1 : 0);
4295 if (machine
->compat_props
) {
4296 qdev_prop_register_global_list(machine
->compat_props
);
4300 qdev_machine_init();
4302 QEMUMachineInitArgs args
= { .machine
= machine
,
4303 .ram_size
= ram_size
,
4304 .boot_order
= boot_order
,
4305 .kernel_filename
= kernel_filename
,
4306 .kernel_cmdline
= kernel_cmdline
,
4307 .initrd_filename
= initrd_filename
,
4308 .cpu_model
= cpu_model
};
4309 machine
->init(&args
);
4313 cpu_synchronize_all_post_init();
4317 current_machine
= machine
;
4319 /* init USB devices */
4320 if (usb_enabled(false)) {
4321 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4325 /* init generic devices */
4326 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4329 net_check_clients();
4331 ds
= init_displaystate();
4333 /* init local displays */
4334 switch (display_type
) {
4336 (void)ds
; /* avoid warning if no display is configured */
4338 #if defined(CONFIG_CURSES)
4340 curses_display_init(ds
, full_screen
);
4343 #if defined(CONFIG_SDL)
4345 sdl_display_init(ds
, full_screen
, no_frame
);
4347 #elif defined(CONFIG_COCOA)
4349 cocoa_display_init(ds
, full_screen
);
4352 #if defined(CONFIG_GTK)
4354 gtk_display_init(ds
, full_screen
);
4361 /* must be after terminal init, SDL library changes signal handlers */
4362 os_setup_signal_handling();
4365 /* init remote displays */
4367 Error
*local_err
= NULL
;
4368 vnc_display_init(ds
);
4369 vnc_display_open(ds
, vnc_display
, &local_err
);
4370 if (local_err
!= NULL
) {
4371 error_report("Failed to start VNC server on `%s': %s",
4372 vnc_display
, error_get_pretty(local_err
));
4373 error_free(local_err
);
4377 if (show_vnc_port
) {
4378 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4384 qemu_spice_display_init();
4388 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4392 qdev_machine_creation_done();
4394 if (rom_load_all() != 0) {
4395 fprintf(stderr
, "rom loading failed\n");
4399 /* TODO: once all bus devices are qdevified, this should be done
4400 * when bus is created by qdev.c */
4401 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4402 qemu_run_machine_init_done_notifiers();
4404 /* Done notifiers can load ROMs */
4407 qemu_system_reset(VMRESET_SILENT
);
4409 if (load_vmstate(loadvm
) < 0) {
4415 Error
*local_err
= NULL
;
4416 qemu_start_incoming_migration(incoming
, &local_err
);
4418 error_report("-incoming %s: %s", incoming
,
4419 error_get_pretty(local_err
));
4420 error_free(local_err
);
4423 } else if (autostart
) {
4429 if (is_daemonized()) {
4430 if (!trace_backend_init(trace_events
, trace_file
)) {