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>
46 #if defined(__APPLE__) || defined(main)
48 int qemu_main(int argc
, char **argv
, char **envp
);
49 int main(int argc
, char **argv
)
51 return qemu_main(argc
, argv
, NULL
);
54 #define main qemu_main
56 #endif /* CONFIG_SDL */
60 #define main qemu_main
61 #endif /* CONFIG_COCOA */
66 #include "hw/boards.h"
68 #include "hw/pcmcia.h"
69 #include "hw/i386/pc.h"
70 #include "hw/isa/isa.h"
72 #include "sysemu/watchdog.h"
73 #include "hw/i386/smbios.h"
74 #include "hw/xen/xen.h"
76 #include "hw/loader.h"
77 #include "monitor/qdev.h"
78 #include "sysemu/bt.h"
80 #include "net/slirp.h"
81 #include "monitor/monitor.h"
82 #include "ui/console.h"
83 #include "sysemu/sysemu.h"
84 #include "exec/gdbstub.h"
85 #include "qemu/timer.h"
86 #include "sysemu/char.h"
87 #include "qemu/bitmap.h"
88 #include "qemu/cache-utils.h"
89 #include "sysemu/blockdev.h"
90 #include "hw/block/block.h"
91 #include "migration/block.h"
92 #include "sysemu/tpm.h"
93 #include "sysemu/dma.h"
94 #include "audio/audio.h"
95 #include "migration/migration.h"
96 #include "sysemu/kvm.h"
97 #include "qapi/qmp/qjson.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qmp-commands.h"
102 #include "qemu/main-loop.h"
104 #include "fsdev/qemu-fsdev.h"
106 #include "sysemu/qtest.h"
108 #include "disas/disas.h"
110 #include "qemu/sockets.h"
112 #include "slirp/libslirp.h"
115 #include "trace/control.h"
116 #include "qemu/queue.h"
117 #include "sysemu/cpus.h"
118 #include "sysemu/arch_init.h"
119 #include "qemu/osdep.h"
121 #include "ui/qemu-spice.h"
122 #include "qapi/string-input-visitor.h"
123 #include "qom/object_interfaces.h"
125 #define DEFAULT_RAM_SIZE 128
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
130 static const char *data_dir
[16];
131 static int data_dir_idx
;
132 const char *bios_name
= NULL
;
133 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
134 DisplayType display_type
= DT_DEFAULT
;
135 static int display_remote
;
136 const char* keyboard_layout
= NULL
;
138 const char *mem_path
= NULL
;
139 int mem_prealloc
= 0; /* force preallocation of physical target memory */
141 NICInfo nd_table
[MAX_NICS
];
143 static int rtc_utc
= 1;
144 static int rtc_date_offset
= -1; /* -1 means no change */
145 QEMUClockType rtc_clock
;
146 int vga_interface_type
= VGA_NONE
;
147 static int full_screen
= 0;
148 static int no_frame
= 0;
150 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
151 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
152 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
153 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
154 int win2k_install_hack
= 0;
161 const char *vnc_display
;
163 int acpi_enabled
= 1;
166 static int no_reboot
;
169 int graphic_rotate
= 0;
170 const char *watchdog
;
171 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
173 int semihosting_enabled
= 0;
175 const char *qemu_name
;
178 unsigned int nb_prom_envs
= 0;
179 const char *prom_envs
[MAX_PROM_ENVS
];
181 static bool boot_strict
;
182 uint8_t *boot_splash_filedata
;
183 size_t boot_splash_filedata_size
;
184 uint8_t qemu_extra_params_fw
[2];
186 typedef struct FWBootEntry FWBootEntry
;
189 QTAILQ_ENTRY(FWBootEntry
) link
;
195 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
196 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
199 uint64_t node_mem
[MAX_NODES
];
200 unsigned long *node_cpumask
[MAX_NODES
];
202 uint8_t qemu_uuid
[16];
205 static QEMUBootSetHandler
*boot_set_handler
;
206 static void *boot_set_opaque
;
208 static NotifierList exit_notifiers
=
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
211 static NotifierList machine_init_done_notifiers
=
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
214 static bool tcg_allowed
= true;
217 enum xen_mode xen_mode
= XEN_EMULATE
;
218 static int tcg_tb_size
;
220 static int default_serial
= 1;
221 static int default_parallel
= 1;
222 static int default_virtcon
= 1;
223 static int default_sclp
= 1;
224 static int default_monitor
= 1;
225 static int default_floppy
= 1;
226 static int default_cdrom
= 1;
227 static int default_sdcard
= 1;
228 static int default_vga
= 1;
234 { .driver
= "isa-serial", .flag
= &default_serial
},
235 { .driver
= "isa-parallel", .flag
= &default_parallel
},
236 { .driver
= "isa-fdc", .flag
= &default_floppy
},
237 { .driver
= "ide-cd", .flag
= &default_cdrom
},
238 { .driver
= "ide-hd", .flag
= &default_cdrom
},
239 { .driver
= "ide-drive", .flag
= &default_cdrom
},
240 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
241 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
242 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
243 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
244 { .driver
= "VGA", .flag
= &default_vga
},
245 { .driver
= "isa-vga", .flag
= &default_vga
},
246 { .driver
= "cirrus-vga", .flag
= &default_vga
},
247 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
248 { .driver
= "vmware-svga", .flag
= &default_vga
},
249 { .driver
= "qxl-vga", .flag
= &default_vga
},
252 static QemuOptsList qemu_rtc_opts
= {
254 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
258 .type
= QEMU_OPT_STRING
,
261 .type
= QEMU_OPT_STRING
,
264 .type
= QEMU_OPT_STRING
,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts
= {
272 .implied_opt_name
= "enable",
273 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
277 .type
= QEMU_OPT_BOOL
,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts
= {
285 .implied_opt_name
= "trace",
286 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
290 .type
= QEMU_OPT_STRING
,
293 .type
= QEMU_OPT_STRING
,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts
= {
300 .name
= "option-rom",
301 .implied_opt_name
= "romfile",
302 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
306 .type
= QEMU_OPT_NUMBER
,
309 .type
= QEMU_OPT_STRING
,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts
= {
317 .implied_opt_name
= "type",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
324 .help
= "emulated machine"
327 .type
= QEMU_OPT_STRING
,
328 .help
= "accelerator list",
330 .name
= "kernel_irqchip",
331 .type
= QEMU_OPT_BOOL
,
332 .help
= "use KVM in-kernel irqchip",
334 .name
= "kvm_shadow_mem",
335 .type
= QEMU_OPT_SIZE
,
336 .help
= "KVM shadow MMU size",
339 .type
= QEMU_OPT_STRING
,
340 .help
= "Linux kernel image file",
343 .type
= QEMU_OPT_STRING
,
344 .help
= "Linux initial ramdisk file",
347 .type
= QEMU_OPT_STRING
,
348 .help
= "Linux kernel command line",
351 .type
= QEMU_OPT_STRING
,
352 .help
= "Linux kernel device tree file",
355 .type
= QEMU_OPT_STRING
,
356 .help
= "Dump current dtb to a file and quit",
358 .name
= "phandle_start",
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "The first phandle ID we may generate dynamically",
362 .name
= "dt_compatible",
363 .type
= QEMU_OPT_STRING
,
364 .help
= "Overrides the \"compatible\" property of the dt root node",
366 .name
= "dump-guest-core",
367 .type
= QEMU_OPT_BOOL
,
368 .help
= "Include guest memory in a core dump",
371 .type
= QEMU_OPT_BOOL
,
372 .help
= "enable/disable memory merge support",
375 .type
= QEMU_OPT_BOOL
,
376 .help
= "Set on/off to enable/disable usb",
379 .type
= QEMU_OPT_STRING
,
380 .help
= "firmware image",
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 */ }
483 * Get machine options
485 * Returns: machine options (never null).
487 QemuOpts
*qemu_get_machine_opts(void)
492 list
= qemu_find_opts("machine");
494 opts
= qemu_opts_find(list
, NULL
);
496 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
501 const char *qemu_get_vm_name(void)
506 static void res_free(void)
508 if (boot_splash_filedata
!= NULL
) {
509 g_free(boot_splash_filedata
);
510 boot_splash_filedata
= NULL
;
514 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
516 const char *driver
= qemu_opt_get(opts
, "driver");
521 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
522 if (strcmp(default_list
[i
].driver
, driver
) != 0)
524 *(default_list
[i
].flag
) = 0;
529 /***********************************************************/
532 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
537 } RunStateTransition
;
539 static const RunStateTransition runstate_transitions_def
[] = {
541 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
542 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
544 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
545 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
547 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
548 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
550 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
551 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
553 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
554 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
556 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
557 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
559 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
560 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
561 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
563 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
564 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
566 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
568 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
569 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
570 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
571 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
572 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
573 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
574 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
575 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
576 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
577 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
579 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
581 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
582 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
584 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
585 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
586 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
587 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
590 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
593 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
595 { RUN_STATE_MAX
, RUN_STATE_MAX
},
598 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
600 bool runstate_check(RunState state
)
602 return current_run_state
== state
;
605 static void runstate_init(void)
607 const RunStateTransition
*p
;
609 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
611 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
612 runstate_valid_transitions
[p
->from
][p
->to
] = true;
616 /* This function will abort() on invalid state transitions */
617 void runstate_set(RunState new_state
)
619 assert(new_state
< RUN_STATE_MAX
);
621 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
622 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
623 RunState_lookup
[current_run_state
],
624 RunState_lookup
[new_state
]);
627 trace_runstate_set(new_state
);
628 current_run_state
= new_state
;
631 int runstate_is_running(void)
633 return runstate_check(RUN_STATE_RUNNING
);
636 bool runstate_needs_reset(void)
638 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
639 runstate_check(RUN_STATE_SHUTDOWN
);
642 StatusInfo
*qmp_query_status(Error
**errp
)
644 StatusInfo
*info
= g_malloc0(sizeof(*info
));
646 info
->running
= runstate_is_running();
647 info
->singlestep
= singlestep
;
648 info
->status
= current_run_state
;
653 /***********************************************************/
654 /* real time host monotonic timer */
656 /***********************************************************/
657 /* host time/date access */
658 void qemu_get_timedate(struct tm
*tm
, int offset
)
664 if (rtc_date_offset
== -1) {
668 localtime_r(&ti
, tm
);
670 ti
-= rtc_date_offset
;
675 int qemu_timedate_diff(struct tm
*tm
)
679 if (rtc_date_offset
== -1)
681 seconds
= mktimegm(tm
);
684 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
685 seconds
= mktime(&tmp
);
688 seconds
= mktimegm(tm
) + rtc_date_offset
;
690 return seconds
- time(NULL
);
693 void rtc_change_mon_event(struct tm
*tm
)
697 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
698 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
699 qobject_decref(data
);
702 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
704 time_t rtc_start_date
;
707 if (!strcmp(startdate
, "now") && legacy
) {
708 rtc_date_offset
= -1;
710 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
718 } else if (sscanf(startdate
, "%d-%d-%d",
730 rtc_start_date
= mktimegm(&tm
);
731 if (rtc_start_date
== -1) {
733 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
734 "'2006-06-17T16:01:21' or '2006-06-17'\n");
737 rtc_date_offset
= time(NULL
) - rtc_start_date
;
741 static void configure_rtc(QemuOpts
*opts
)
745 value
= qemu_opt_get(opts
, "base");
747 if (!strcmp(value
, "utc")) {
749 } else if (!strcmp(value
, "localtime")) {
752 configure_rtc_date_offset(value
, 0);
755 value
= qemu_opt_get(opts
, "clock");
757 if (!strcmp(value
, "host")) {
758 rtc_clock
= QEMU_CLOCK_HOST
;
759 } else if (!strcmp(value
, "rt")) {
760 rtc_clock
= QEMU_CLOCK_REALTIME
;
761 } else if (!strcmp(value
, "vm")) {
762 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
764 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
768 value
= qemu_opt_get(opts
, "driftfix");
770 if (!strcmp(value
, "slew")) {
771 static GlobalProperty slew_lost_ticks
[] = {
773 .driver
= "mc146818rtc",
774 .property
= "lost_tick_policy",
777 { /* end of list */ }
780 qdev_prop_register_global_list(slew_lost_ticks
);
781 } else if (!strcmp(value
, "none")) {
782 /* discard is default */
784 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
790 /***********************************************************/
791 /* Bluetooth support */
794 static struct HCIInfo
*hci_table
[MAX_NICS
];
796 struct HCIInfo
*qemu_next_hci(void)
798 if (cur_hci
== nb_hcis
)
801 return hci_table
[cur_hci
++];
804 static int bt_hci_parse(const char *str
)
809 if (nb_hcis
>= MAX_NICS
) {
810 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
823 bdaddr
.b
[5] = 0x56 + nb_hcis
;
824 hci
->bdaddr_set(hci
, bdaddr
.b
);
826 hci_table
[nb_hcis
++] = hci
;
831 static void bt_vhci_add(int vlan_id
)
833 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
836 fprintf(stderr
, "qemu: warning: adding a VHCI to "
837 "an empty scatternet %i\n", vlan_id
);
839 bt_vhci_init(bt_new_hci(vlan
));
842 static struct bt_device_s
*bt_device_add(const char *opt
)
844 struct bt_scatternet_s
*vlan
;
846 char *endp
= strstr(opt
, ",vlan=");
847 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
850 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
853 vlan_id
= strtol(endp
+ 6, &endp
, 0);
855 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
860 vlan
= qemu_find_bt_vlan(vlan_id
);
863 fprintf(stderr
, "qemu: warning: adding a slave device to "
864 "an empty scatternet %i\n", vlan_id
);
866 if (!strcmp(devname
, "keyboard"))
867 return bt_keyboard_init(vlan
);
869 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
873 static int bt_parse(const char *opt
)
875 const char *endp
, *p
;
878 if (strstart(opt
, "hci", &endp
)) {
879 if (!*endp
|| *endp
== ',') {
881 if (!strstart(endp
, ",vlan=", 0))
884 return bt_hci_parse(opt
);
886 } else if (strstart(opt
, "vhci", &endp
)) {
887 if (!*endp
|| *endp
== ',') {
889 if (strstart(endp
, ",vlan=", &p
)) {
890 vlan
= strtol(p
, (char **) &endp
, 0);
892 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
896 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
905 } else if (strstart(opt
, "device:", &endp
))
906 return !bt_device_add(endp
);
908 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
912 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
914 /* FIXME: change this to true for 1.3 */
915 if (qemu_opt_get_bool(opts
, "enable", false)) {
916 #ifdef CONFIG_SECCOMP
917 if (seccomp_start() < 0) {
918 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
919 "failed to install seccomp syscall filter in the kernel");
923 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
924 "sandboxing request but seccomp is not compiled into this build");
932 bool usb_enabled(bool default_usb
)
934 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
938 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
940 int fd
, dupfd
, flags
;
942 const char *fd_opaque
= NULL
;
944 fd
= qemu_opt_get_number(opts
, "fd", -1);
945 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
946 fd_opaque
= qemu_opt_get(opts
, "opaque");
949 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
950 "fd option is required and must be non-negative");
954 if (fd
<= STDERR_FILENO
) {
955 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
956 "fd cannot be a standard I/O stream");
961 * All fds inherited across exec() necessarily have FD_CLOEXEC
962 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
964 flags
= fcntl(fd
, F_GETFD
);
965 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
966 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
967 "fd is not valid or already in use");
972 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
973 "set option is required and must be non-negative");
977 #ifdef F_DUPFD_CLOEXEC
978 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
982 qemu_set_cloexec(dupfd
);
986 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
987 "Error duplicating fd: %s", strerror(errno
));
991 /* add the duplicate fd, and optionally the opaque string, to the fd set */
992 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
998 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1002 fd
= qemu_opt_get_number(opts
, "fd", -1);
1009 /***********************************************************/
1010 /* QEMU Block devices */
1012 #define HD_OPTS "media=disk"
1013 #define CDROM_OPTS "media=cdrom"
1015 #define PFLASH_OPTS ""
1019 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1021 BlockInterfaceType
*block_default_type
= opaque
;
1023 return drive_init(opts
, *block_default_type
) == NULL
;
1026 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1028 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1029 qemu_opt_set(opts
, "snapshot", "on");
1034 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1035 int index
, const char *optstr
)
1039 if (!enable
|| drive_get_by_index(type
, index
)) {
1043 opts
= drive_add(type
, index
, NULL
, optstr
);
1045 drive_enable_snapshot(opts
, NULL
);
1047 if (!drive_init(opts
, type
)) {
1052 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1054 boot_set_handler
= func
;
1055 boot_set_opaque
= opaque
;
1058 int qemu_boot_set(const char *boot_order
)
1060 if (!boot_set_handler
) {
1063 return boot_set_handler(boot_set_opaque
, boot_order
);
1066 static void validate_bootdevices(const char *devices
)
1068 /* We just do some generic consistency checks */
1072 for (p
= devices
; *p
!= '\0'; p
++) {
1073 /* Allowed boot devices are:
1074 * a-b: floppy disk drives
1075 * c-f: IDE disk drives
1076 * g-m: machine implementation dependent drives
1077 * n-p: network devices
1078 * It's up to each machine implementation to check if the given boot
1079 * devices match the actual hardware implementation and firmware
1082 if (*p
< 'a' || *p
> 'p') {
1083 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1086 if (bitmap
& (1 << (*p
- 'a'))) {
1087 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1090 bitmap
|= 1 << (*p
- 'a');
1094 static void restore_boot_order(void *opaque
)
1096 char *normal_boot_order
= opaque
;
1097 static int first
= 1;
1099 /* Restore boot order and remove ourselves after the first boot */
1105 qemu_boot_set(normal_boot_order
);
1107 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1108 g_free(normal_boot_order
);
1111 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1114 FWBootEntry
*node
, *i
;
1116 if (bootindex
< 0) {
1120 assert(dev
!= NULL
|| suffix
!= NULL
);
1122 node
= g_malloc0(sizeof(FWBootEntry
));
1123 node
->bootindex
= bootindex
;
1124 node
->suffix
= g_strdup(suffix
);
1127 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1128 if (i
->bootindex
== bootindex
) {
1129 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1131 } else if (i
->bootindex
< bootindex
) {
1134 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1137 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1140 DeviceState
*get_boot_device(uint32_t position
)
1142 uint32_t counter
= 0;
1143 FWBootEntry
*i
= NULL
;
1144 DeviceState
*res
= NULL
;
1146 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1147 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1148 if (counter
== position
) {
1159 * This function returns null terminated string that consist of new line
1160 * separated device paths.
1162 * memory pointed by "size" is assigned total length of the array in bytes
1165 char *get_boot_devices_list(size_t *size
)
1171 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1172 char *devpath
= NULL
, *bootpath
;
1176 devpath
= qdev_get_fw_dev_path(i
->dev
);
1180 if (i
->suffix
&& devpath
) {
1181 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1183 bootpath
= g_malloc(bootpathlen
);
1184 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1186 } else if (devpath
) {
1190 bootpath
= g_strdup(i
->suffix
);
1194 list
[total
-1] = '\n';
1196 len
= strlen(bootpath
) + 1;
1197 list
= g_realloc(list
, total
+ len
);
1198 memcpy(&list
[total
], bootpath
, len
);
1205 if (boot_strict
&& *size
> 0) {
1206 list
[total
-1] = '\n';
1207 list
= g_realloc(list
, total
+ 5);
1208 memcpy(&list
[total
], "HALT", 5);
1214 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1217 unsigned long long value
, endvalue
;
1219 /* Empty CPU range strings will be considered valid, they will simply
1220 * not set any bit in the CPU bitmap.
1226 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1229 if (*endptr
== '-') {
1230 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1233 } else if (*endptr
== '\0') {
1239 if (endvalue
>= MAX_CPUMASK_BITS
) {
1240 endvalue
= MAX_CPUMASK_BITS
- 1;
1242 "qemu: NUMA: A max of %d VCPUs are supported\n",
1246 if (endvalue
< value
) {
1250 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1254 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1258 static void numa_add(const char *optarg
)
1262 unsigned long long nodenr
;
1264 optarg
= get_opt_name(option
, 128, optarg
, ',');
1265 if (*optarg
== ',') {
1268 if (!strcmp(option
, "node")) {
1270 if (nb_numa_nodes
>= MAX_NODES
) {
1271 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1275 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1276 nodenr
= nb_numa_nodes
;
1278 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1279 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1284 if (nodenr
>= MAX_NODES
) {
1285 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1289 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1290 node_mem
[nodenr
] = 0;
1293 sval
= strtosz(option
, &endptr
);
1294 if (sval
< 0 || *endptr
) {
1295 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1298 node_mem
[nodenr
] = sval
;
1300 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1301 numa_node_parse_cpus(nodenr
, option
);
1305 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1310 static QemuOptsList qemu_smp_opts
= {
1312 .implied_opt_name
= "cpus",
1313 .merge_lists
= true,
1314 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1318 .type
= QEMU_OPT_NUMBER
,
1321 .type
= QEMU_OPT_NUMBER
,
1324 .type
= QEMU_OPT_NUMBER
,
1327 .type
= QEMU_OPT_NUMBER
,
1330 .type
= QEMU_OPT_NUMBER
,
1332 { /*End of list */ }
1336 static void smp_parse(QemuOpts
*opts
)
1340 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1341 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1342 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1343 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1345 /* compute missing values, prefer sockets over cores over threads */
1346 if (cpus
== 0 || sockets
== 0) {
1347 sockets
= sockets
> 0 ? sockets
: 1;
1348 cores
= cores
> 0 ? cores
: 1;
1349 threads
= threads
> 0 ? threads
: 1;
1351 cpus
= cores
* threads
* sockets
;
1355 threads
= threads
> 0 ? threads
: 1;
1356 cores
= cpus
/ (sockets
* threads
);
1358 threads
= cpus
/ (cores
* sockets
);
1362 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1365 smp_cores
= cores
> 0 ? cores
: 1;
1366 smp_threads
= threads
> 0 ? threads
: 1;
1370 if (max_cpus
== 0) {
1371 max_cpus
= smp_cpus
;
1374 if (max_cpus
> 255) {
1375 fprintf(stderr
, "Unsupported number of maxcpus\n");
1378 if (max_cpus
< smp_cpus
) {
1379 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1385 static void configure_realtime(QemuOpts
*opts
)
1389 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1392 if (os_mlock() < 0) {
1393 fprintf(stderr
, "qemu: locking memory failed\n");
1400 static void configure_msg(QemuOpts
*opts
)
1402 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1405 /***********************************************************/
1408 static int usb_device_add(const char *devname
)
1410 USBDevice
*dev
= NULL
;
1411 #ifndef CONFIG_LINUX
1415 if (!usb_enabled(false)) {
1419 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1420 dev
= usbdevice_create(devname
);
1424 /* the other ones */
1425 #ifndef CONFIG_LINUX
1426 /* only the linux version is qdev-ified, usb-bsd still needs this */
1427 if (strstart(devname
, "host:", &p
)) {
1428 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1438 static int usb_device_del(const char *devname
)
1443 if (strstart(devname
, "host:", &p
)) {
1447 if (!usb_enabled(false)) {
1451 p
= strchr(devname
, '.');
1454 bus_num
= strtoul(devname
, NULL
, 0);
1455 addr
= strtoul(p
+ 1, NULL
, 0);
1457 return usb_device_delete_addr(bus_num
, addr
);
1460 static int usb_parse(const char *cmdline
)
1463 r
= usb_device_add(cmdline
);
1465 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1470 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1472 const char *devname
= qdict_get_str(qdict
, "devname");
1473 if (usb_device_add(devname
) < 0) {
1474 error_report("could not add USB device '%s'", devname
);
1478 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1480 const char *devname
= qdict_get_str(qdict
, "devname");
1481 if (usb_device_del(devname
) < 0) {
1482 error_report("could not delete USB device '%s'", devname
);
1486 /***********************************************************/
1487 /* PCMCIA/Cardbus */
1489 static struct pcmcia_socket_entry_s
{
1490 PCMCIASocket
*socket
;
1491 struct pcmcia_socket_entry_s
*next
;
1492 } *pcmcia_sockets
= 0;
1494 void pcmcia_socket_register(PCMCIASocket
*socket
)
1496 struct pcmcia_socket_entry_s
*entry
;
1498 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1499 entry
->socket
= socket
;
1500 entry
->next
= pcmcia_sockets
;
1501 pcmcia_sockets
= entry
;
1504 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1506 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1508 ptr
= &pcmcia_sockets
;
1509 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1510 if (entry
->socket
== socket
) {
1516 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1518 struct pcmcia_socket_entry_s
*iter
;
1520 if (!pcmcia_sockets
)
1521 monitor_printf(mon
, "No PCMCIA sockets\n");
1523 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1524 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1525 iter
->socket
->attached
? iter
->socket
->card_string
:
1529 /***********************************************************/
1530 /* machine registration */
1532 static QEMUMachine
*first_machine
= NULL
;
1533 QEMUMachine
*current_machine
= NULL
;
1535 int qemu_register_machine(QEMUMachine
*m
)
1538 pm
= &first_machine
;
1546 static QEMUMachine
*find_machine(const char *name
)
1550 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1551 if (!strcmp(m
->name
, name
))
1553 if (m
->alias
&& !strcmp(m
->alias
, name
))
1559 QEMUMachine
*find_default_machine(void)
1563 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1564 if (m
->is_default
) {
1571 MachineInfoList
*qmp_query_machines(Error
**errp
)
1573 MachineInfoList
*mach_list
= NULL
;
1576 for (m
= first_machine
; m
; m
= m
->next
) {
1577 MachineInfoList
*entry
;
1580 info
= g_malloc0(sizeof(*info
));
1581 if (m
->is_default
) {
1582 info
->has_is_default
= true;
1583 info
->is_default
= true;
1587 info
->has_alias
= true;
1588 info
->alias
= g_strdup(m
->alias
);
1591 info
->name
= g_strdup(m
->name
);
1592 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1594 entry
= g_malloc0(sizeof(*entry
));
1595 entry
->value
= info
;
1596 entry
->next
= mach_list
;
1603 /***********************************************************/
1604 /* main execution loop */
1606 struct vm_change_state_entry
{
1607 VMChangeStateHandler
*cb
;
1609 QLIST_ENTRY (vm_change_state_entry
) entries
;
1612 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1614 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1617 VMChangeStateEntry
*e
;
1619 e
= g_malloc0(sizeof (*e
));
1623 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1627 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1629 QLIST_REMOVE (e
, entries
);
1633 void vm_state_notify(int running
, RunState state
)
1635 VMChangeStateEntry
*e
;
1637 trace_vm_state_notify(running
, state
);
1639 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1640 e
->cb(e
->opaque
, running
, state
);
1646 if (!runstate_is_running()) {
1648 runstate_set(RUN_STATE_RUNNING
);
1649 vm_state_notify(1, RUN_STATE_RUNNING
);
1651 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1655 /* reset/shutdown handler */
1657 typedef struct QEMUResetEntry
{
1658 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1659 QEMUResetHandler
*func
;
1663 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1664 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1665 static int reset_requested
;
1666 static int shutdown_requested
, shutdown_signal
= -1;
1667 static pid_t shutdown_pid
;
1668 static int powerdown_requested
;
1669 static int debug_requested
;
1670 static int suspend_requested
;
1671 static WakeupReason wakeup_reason
;
1672 static NotifierList powerdown_notifiers
=
1673 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1674 static NotifierList suspend_notifiers
=
1675 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1676 static NotifierList wakeup_notifiers
=
1677 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1678 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1679 static RunState vmstop_requested
= RUN_STATE_MAX
;
1681 int qemu_shutdown_requested_get(void)
1683 return shutdown_requested
;
1686 int qemu_reset_requested_get(void)
1688 return reset_requested
;
1691 static int qemu_shutdown_requested(void)
1693 int r
= shutdown_requested
;
1694 shutdown_requested
= 0;
1698 static void qemu_kill_report(void)
1700 if (!qtest_driver() && shutdown_signal
!= -1) {
1701 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1702 if (shutdown_pid
== 0) {
1703 /* This happens for eg ^C at the terminal, so it's worth
1704 * avoiding printing an odd message in that case.
1706 fputc('\n', stderr
);
1708 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1710 shutdown_signal
= -1;
1714 static int qemu_reset_requested(void)
1716 int r
= reset_requested
;
1717 reset_requested
= 0;
1721 static int qemu_suspend_requested(void)
1723 int r
= suspend_requested
;
1724 suspend_requested
= 0;
1728 static WakeupReason
qemu_wakeup_requested(void)
1730 return wakeup_reason
;
1733 static int qemu_powerdown_requested(void)
1735 int r
= powerdown_requested
;
1736 powerdown_requested
= 0;
1740 static int qemu_debug_requested(void)
1742 int r
= debug_requested
;
1743 debug_requested
= 0;
1747 /* We use RUN_STATE_MAX but any invalid value will do */
1748 static bool qemu_vmstop_requested(RunState
*r
)
1750 if (vmstop_requested
< RUN_STATE_MAX
) {
1751 *r
= vmstop_requested
;
1752 vmstop_requested
= RUN_STATE_MAX
;
1759 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1761 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1764 re
->opaque
= opaque
;
1765 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1768 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1772 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1773 if (re
->func
== func
&& re
->opaque
== opaque
) {
1774 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1781 void qemu_devices_reset(void)
1783 QEMUResetEntry
*re
, *nre
;
1785 /* reset all devices */
1786 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1787 re
->func(re
->opaque
);
1791 void qemu_system_reset(bool report
)
1793 if (current_machine
&& current_machine
->reset
) {
1794 current_machine
->reset();
1796 qemu_devices_reset();
1799 monitor_protocol_event(QEVENT_RESET
, NULL
);
1801 cpu_synchronize_all_post_reset();
1804 void qemu_system_reset_request(void)
1807 shutdown_requested
= 1;
1809 reset_requested
= 1;
1812 qemu_notify_event();
1815 static void qemu_system_suspend(void)
1818 notifier_list_notify(&suspend_notifiers
, NULL
);
1819 runstate_set(RUN_STATE_SUSPENDED
);
1820 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1823 void qemu_system_suspend_request(void)
1825 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1828 suspend_requested
= 1;
1830 qemu_notify_event();
1833 void qemu_register_suspend_notifier(Notifier
*notifier
)
1835 notifier_list_add(&suspend_notifiers
, notifier
);
1838 void qemu_system_wakeup_request(WakeupReason reason
)
1840 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1843 if (!(wakeup_reason_mask
& (1 << reason
))) {
1846 runstate_set(RUN_STATE_RUNNING
);
1847 wakeup_reason
= reason
;
1848 qemu_notify_event();
1851 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1854 wakeup_reason_mask
|= (1 << reason
);
1856 wakeup_reason_mask
&= ~(1 << reason
);
1860 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1862 notifier_list_add(&wakeup_notifiers
, notifier
);
1865 void qemu_system_killed(int signal
, pid_t pid
)
1867 shutdown_signal
= signal
;
1870 qemu_system_shutdown_request();
1873 void qemu_system_shutdown_request(void)
1875 shutdown_requested
= 1;
1876 qemu_notify_event();
1879 static void qemu_system_powerdown(void)
1881 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1882 notifier_list_notify(&powerdown_notifiers
, NULL
);
1885 void qemu_system_powerdown_request(void)
1887 powerdown_requested
= 1;
1888 qemu_notify_event();
1891 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1893 notifier_list_add(&powerdown_notifiers
, notifier
);
1896 void qemu_system_debug_request(void)
1898 debug_requested
= 1;
1899 qemu_notify_event();
1902 void qemu_system_vmstop_request(RunState state
)
1904 vmstop_requested
= state
;
1905 qemu_notify_event();
1908 static bool main_loop_should_exit(void)
1911 if (qemu_debug_requested()) {
1912 vm_stop(RUN_STATE_DEBUG
);
1914 if (qemu_suspend_requested()) {
1915 qemu_system_suspend();
1917 if (qemu_shutdown_requested()) {
1919 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1921 vm_stop(RUN_STATE_SHUTDOWN
);
1926 if (qemu_reset_requested()) {
1928 cpu_synchronize_all_states();
1929 qemu_system_reset(VMRESET_REPORT
);
1931 if (runstate_needs_reset()) {
1932 runstate_set(RUN_STATE_PAUSED
);
1935 if (qemu_wakeup_requested()) {
1937 cpu_synchronize_all_states();
1938 qemu_system_reset(VMRESET_SILENT
);
1939 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1940 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1942 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1944 if (qemu_powerdown_requested()) {
1945 qemu_system_powerdown();
1947 if (qemu_vmstop_requested(&r
)) {
1953 static void main_loop(void)
1957 #ifdef CONFIG_PROFILER
1961 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1962 #ifdef CONFIG_PROFILER
1963 ti
= profile_getclock();
1965 last_io
= main_loop_wait(nonblocking
);
1966 #ifdef CONFIG_PROFILER
1967 dev_time
+= profile_getclock() - ti
;
1969 } while (!main_loop_should_exit());
1972 static void version(void)
1974 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1977 static void help(int exitcode
)
1980 printf("usage: %s [options] [disk_image]\n\n"
1981 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1982 error_get_progname());
1984 #define QEMU_OPTIONS_GENERATE_HELP
1985 #include "qemu-options-wrapper.h"
1987 printf("\nDuring emulation, the following keys are useful:\n"
1988 "ctrl-alt-f toggle full screen\n"
1989 "ctrl-alt-n switch to virtual console 'n'\n"
1990 "ctrl-alt toggle mouse and keyboard grab\n"
1992 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1997 #define HAS_ARG 0x0001
1999 typedef struct QEMUOption
{
2006 static const QEMUOption qemu_options
[] = {
2007 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2008 #define QEMU_OPTIONS_GENERATE_OPTIONS
2009 #include "qemu-options-wrapper.h"
2013 static bool vga_available(void)
2015 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2018 static bool cirrus_vga_available(void)
2020 return object_class_by_name("cirrus-vga")
2021 || object_class_by_name("isa-cirrus-vga");
2024 static bool vmware_vga_available(void)
2026 return object_class_by_name("vmware-svga");
2029 static bool qxl_vga_available(void)
2031 return object_class_by_name("qxl-vga");
2034 static void select_vgahw (const char *p
)
2038 vga_interface_type
= VGA_NONE
;
2039 if (strstart(p
, "std", &opts
)) {
2040 if (vga_available()) {
2041 vga_interface_type
= VGA_STD
;
2043 fprintf(stderr
, "Error: standard VGA not available\n");
2046 } else if (strstart(p
, "cirrus", &opts
)) {
2047 if (cirrus_vga_available()) {
2048 vga_interface_type
= VGA_CIRRUS
;
2050 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2053 } else if (strstart(p
, "vmware", &opts
)) {
2054 if (vmware_vga_available()) {
2055 vga_interface_type
= VGA_VMWARE
;
2057 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2060 } else if (strstart(p
, "xenfb", &opts
)) {
2061 vga_interface_type
= VGA_XENFB
;
2062 } else if (strstart(p
, "qxl", &opts
)) {
2063 if (qxl_vga_available()) {
2064 vga_interface_type
= VGA_QXL
;
2066 fprintf(stderr
, "Error: QXL VGA not available\n");
2069 } else if (!strstart(p
, "none", &opts
)) {
2071 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2075 const char *nextopt
;
2077 if (strstart(opts
, ",retrace=", &nextopt
)) {
2079 if (strstart(opts
, "dumb", &nextopt
))
2080 vga_retrace_method
= VGA_RETRACE_DUMB
;
2081 else if (strstart(opts
, "precise", &nextopt
))
2082 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2083 else goto invalid_vga
;
2084 } else goto invalid_vga
;
2089 static DisplayType
select_display(const char *p
)
2092 DisplayType display
= DT_DEFAULT
;
2094 if (strstart(p
, "sdl", &opts
)) {
2098 const char *nextopt
;
2100 if (strstart(opts
, ",frame=", &nextopt
)) {
2102 if (strstart(opts
, "on", &nextopt
)) {
2104 } else if (strstart(opts
, "off", &nextopt
)) {
2107 goto invalid_sdl_args
;
2109 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2111 if (strstart(opts
, "on", &nextopt
)) {
2113 } else if (strstart(opts
, "off", &nextopt
)) {
2116 goto invalid_sdl_args
;
2118 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2120 if (strstart(opts
, "on", &nextopt
)) {
2122 } else if (strstart(opts
, "off", &nextopt
)) {
2125 goto invalid_sdl_args
;
2127 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2129 if (strstart(opts
, "on", &nextopt
)) {
2131 } else if (strstart(opts
, "off", &nextopt
)) {
2134 goto invalid_sdl_args
;
2138 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2144 fprintf(stderr
, "SDL support is disabled\n");
2147 } else if (strstart(p
, "vnc", &opts
)) {
2152 const char *nextopt
;
2154 if (strstart(opts
, "=", &nextopt
)) {
2155 vnc_display
= nextopt
;
2159 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2163 fprintf(stderr
, "VNC support is disabled\n");
2166 } else if (strstart(p
, "curses", &opts
)) {
2167 #ifdef CONFIG_CURSES
2168 display
= DT_CURSES
;
2170 fprintf(stderr
, "Curses support is disabled\n");
2173 } else if (strstart(p
, "gtk", &opts
)) {
2177 fprintf(stderr
, "GTK support is disabled\n");
2180 } else if (strstart(p
, "none", &opts
)) {
2183 fprintf(stderr
, "Unknown display type: %s\n", p
);
2190 static int balloon_parse(const char *arg
)
2194 if (strcmp(arg
, "none") == 0) {
2198 if (!strncmp(arg
, "virtio", 6)) {
2199 if (arg
[6] == ',') {
2200 /* have params -> parse them */
2201 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2205 /* create empty opts */
2206 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2209 qemu_opt_set(opts
, "driver", "virtio-balloon");
2216 char *qemu_find_file(int type
, const char *name
)
2222 /* Try the name as a straight path first */
2223 if (access(name
, R_OK
) == 0) {
2224 trace_load_file(name
, name
);
2225 return g_strdup(name
);
2229 case QEMU_FILE_TYPE_BIOS
:
2232 case QEMU_FILE_TYPE_KEYMAP
:
2233 subdir
= "keymaps/";
2239 for (i
= 0; i
< data_dir_idx
; i
++) {
2240 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2241 if (access(buf
, R_OK
) == 0) {
2242 trace_load_file(name
, buf
);
2250 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2252 return qdev_device_help(opts
);
2255 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2259 dev
= qdev_device_add(opts
);
2262 object_unref(OBJECT(dev
));
2266 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2268 Error
*local_err
= NULL
;
2270 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2271 if (error_is_set(&local_err
)) {
2272 error_report("%s", error_get_pretty(local_err
));
2273 error_free(local_err
);
2279 #ifdef CONFIG_VIRTFS
2280 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2283 ret
= qemu_fsdev_add(opts
);
2289 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2291 CharDriverState
*chr
;
2292 const char *chardev
;
2296 mode
= qemu_opt_get(opts
, "mode");
2300 if (strcmp(mode
, "readline") == 0) {
2301 flags
= MONITOR_USE_READLINE
;
2302 } else if (strcmp(mode
, "control") == 0) {
2303 flags
= MONITOR_USE_CONTROL
;
2305 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2309 if (qemu_opt_get_bool(opts
, "pretty", 0))
2310 flags
|= MONITOR_USE_PRETTY
;
2312 if (qemu_opt_get_bool(opts
, "default", 0))
2313 flags
|= MONITOR_IS_DEFAULT
;
2315 chardev
= qemu_opt_get(opts
, "chardev");
2316 chr
= qemu_chr_find(chardev
);
2318 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2322 qemu_chr_fe_claim_no_fail(chr
);
2323 monitor_init(chr
, flags
);
2327 static void monitor_parse(const char *optarg
, const char *mode
)
2329 static int monitor_device_index
= 0;
2335 if (strstart(optarg
, "chardev:", &p
)) {
2336 snprintf(label
, sizeof(label
), "%s", p
);
2338 snprintf(label
, sizeof(label
), "compat_monitor%d",
2339 monitor_device_index
);
2340 if (monitor_device_index
== 0) {
2343 opts
= qemu_chr_parse_compat(label
, optarg
);
2345 fprintf(stderr
, "parse error: %s\n", optarg
);
2350 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2352 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2355 qemu_opt_set(opts
, "mode", mode
);
2356 qemu_opt_set(opts
, "chardev", label
);
2358 qemu_opt_set(opts
, "default", "on");
2359 monitor_device_index
++;
2362 struct device_config
{
2364 DEV_USB
, /* -usbdevice */
2366 DEV_SERIAL
, /* -serial */
2367 DEV_PARALLEL
, /* -parallel */
2368 DEV_VIRTCON
, /* -virtioconsole */
2369 DEV_DEBUGCON
, /* -debugcon */
2370 DEV_GDB
, /* -gdb, -s */
2371 DEV_SCLP
, /* s390 sclp */
2373 const char *cmdline
;
2375 QTAILQ_ENTRY(device_config
) next
;
2378 static QTAILQ_HEAD(, device_config
) device_configs
=
2379 QTAILQ_HEAD_INITIALIZER(device_configs
);
2381 static void add_device_config(int type
, const char *cmdline
)
2383 struct device_config
*conf
;
2385 conf
= g_malloc0(sizeof(*conf
));
2387 conf
->cmdline
= cmdline
;
2388 loc_save(&conf
->loc
);
2389 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2392 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2394 struct device_config
*conf
;
2397 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2398 if (conf
->type
!= type
)
2400 loc_push_restore(&conf
->loc
);
2401 rc
= func(conf
->cmdline
);
2402 loc_pop(&conf
->loc
);
2409 static int serial_parse(const char *devname
)
2411 static int index
= 0;
2414 if (strcmp(devname
, "none") == 0)
2416 if (index
== MAX_SERIAL_PORTS
) {
2417 fprintf(stderr
, "qemu: too many serial ports\n");
2420 snprintf(label
, sizeof(label
), "serial%d", index
);
2421 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2422 if (!serial_hds
[index
]) {
2423 fprintf(stderr
, "qemu: could not connect serial device"
2424 " to character backend '%s'\n", devname
);
2431 static int parallel_parse(const char *devname
)
2433 static int index
= 0;
2436 if (strcmp(devname
, "none") == 0)
2438 if (index
== MAX_PARALLEL_PORTS
) {
2439 fprintf(stderr
, "qemu: too many parallel ports\n");
2442 snprintf(label
, sizeof(label
), "parallel%d", index
);
2443 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2444 if (!parallel_hds
[index
]) {
2445 fprintf(stderr
, "qemu: could not connect parallel device"
2446 " to character backend '%s'\n", devname
);
2453 static int virtcon_parse(const char *devname
)
2455 QemuOptsList
*device
= qemu_find_opts("device");
2456 static int index
= 0;
2458 QemuOpts
*bus_opts
, *dev_opts
;
2460 if (strcmp(devname
, "none") == 0)
2462 if (index
== MAX_VIRTIO_CONSOLES
) {
2463 fprintf(stderr
, "qemu: too many virtio consoles\n");
2467 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2468 if (arch_type
== QEMU_ARCH_S390X
) {
2469 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2471 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2474 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2475 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2477 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2478 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2479 if (!virtcon_hds
[index
]) {
2480 fprintf(stderr
, "qemu: could not connect virtio console"
2481 " to character backend '%s'\n", devname
);
2484 qemu_opt_set(dev_opts
, "chardev", label
);
2490 static int sclp_parse(const char *devname
)
2492 QemuOptsList
*device
= qemu_find_opts("device");
2493 static int index
= 0;
2497 if (strcmp(devname
, "none") == 0) {
2500 if (index
== MAX_SCLP_CONSOLES
) {
2501 fprintf(stderr
, "qemu: too many sclp consoles\n");
2505 assert(arch_type
== QEMU_ARCH_S390X
);
2507 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2508 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2510 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2511 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2512 if (!sclp_hds
[index
]) {
2513 fprintf(stderr
, "qemu: could not connect sclp console"
2514 " to character backend '%s'\n", devname
);
2517 qemu_opt_set(dev_opts
, "chardev", label
);
2523 static int debugcon_parse(const char *devname
)
2527 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2530 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2532 fprintf(stderr
, "qemu: already have a debugcon device\n");
2535 qemu_opt_set(opts
, "driver", "isa-debugcon");
2536 qemu_opt_set(opts
, "chardev", "debugcon");
2540 static QEMUMachine
*machine_parse(const char *name
)
2542 QEMUMachine
*m
, *machine
= NULL
;
2545 machine
= find_machine(name
);
2550 printf("Supported machines are:\n");
2551 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2553 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2555 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2556 m
->is_default
? " (default)" : "");
2558 exit(!name
|| !is_help_option(name
));
2561 static int tcg_init(void)
2563 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2568 const char *opt_name
;
2570 int (*available
)(void);
2574 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2575 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2576 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2577 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2580 static int configure_accelerator(void)
2585 bool accel_initialised
= false;
2586 bool init_failed
= false;
2588 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2590 /* Use the default "accelerator", tcg */
2594 while (!accel_initialised
&& *p
!= '\0') {
2598 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2599 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2600 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2601 if (!accel_list
[i
].available()) {
2602 printf("%s not supported for this target\n",
2603 accel_list
[i
].name
);
2606 *(accel_list
[i
].allowed
) = true;
2607 ret
= accel_list
[i
].init();
2610 fprintf(stderr
, "failed to initialize %s: %s\n",
2613 *(accel_list
[i
].allowed
) = false;
2615 accel_initialised
= true;
2620 if (i
== ARRAY_SIZE(accel_list
)) {
2621 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2625 if (!accel_initialised
) {
2627 fprintf(stderr
, "No accelerator found!\n");
2633 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2636 return !accel_initialised
;
2639 void qemu_add_exit_notifier(Notifier
*notify
)
2641 notifier_list_add(&exit_notifiers
, notify
);
2644 void qemu_remove_exit_notifier(Notifier
*notify
)
2646 notifier_remove(notify
);
2649 static void qemu_run_exit_notifiers(void)
2651 notifier_list_notify(&exit_notifiers
, NULL
);
2654 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2656 notifier_list_add(&machine_init_done_notifiers
, notify
);
2659 static void qemu_run_machine_init_done_notifiers(void)
2661 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2664 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2665 const char **poptarg
, int *poptind
)
2667 const QEMUOption
*popt
;
2668 int optind
= *poptind
;
2669 char *r
= argv
[optind
];
2672 loc_set_cmdline(argv
, optind
, 1);
2674 /* Treat --foo the same as -foo. */
2677 popt
= qemu_options
;
2680 error_report("invalid option");
2683 if (!strcmp(popt
->name
, r
+ 1))
2687 if (popt
->flags
& HAS_ARG
) {
2688 if (optind
>= argc
) {
2689 error_report("requires an argument");
2692 optarg
= argv
[optind
++];
2693 loc_set_cmdline(argv
, optind
- 2, 2);
2704 static gpointer
malloc_and_trace(gsize n_bytes
)
2706 void *ptr
= malloc(n_bytes
);
2707 trace_g_malloc(n_bytes
, ptr
);
2711 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2713 void *ptr
= realloc(mem
, n_bytes
);
2714 trace_g_realloc(mem
, n_bytes
, ptr
);
2718 static void free_and_trace(gpointer mem
)
2724 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2726 Object
*obj
= OBJECT(opaque
);
2727 StringInputVisitor
*siv
;
2728 Error
*local_err
= NULL
;
2730 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2734 siv
= string_input_visitor_new(value
);
2735 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2736 string_input_visitor_cleanup(siv
);
2739 qerror_report_err(local_err
);
2740 error_free(local_err
);
2747 static int object_create(QemuOpts
*opts
, void *opaque
)
2749 const char *type
= qemu_opt_get(opts
, "qom-type");
2750 const char *id
= qemu_opts_id(opts
);
2751 Error
*local_err
= NULL
;
2754 g_assert(type
!= NULL
);
2757 qerror_report(QERR_MISSING_PARAMETER
, "id");
2761 obj
= object_new(type
);
2762 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2767 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2768 error_setg(&local_err
, "object '%s' isn't supported by -object",
2773 user_creatable_complete(obj
, &local_err
);
2778 object_property_add_child(container_get(object_get_root(), "/objects"),
2779 id
, obj
, &local_err
);
2784 qerror_report_err(local_err
);
2785 error_free(local_err
);
2791 int main(int argc
, char **argv
, char **envp
)
2794 int snapshot
, linux_boot
;
2795 const char *icount_option
= NULL
;
2796 const char *initrd_filename
;
2797 const char *kernel_filename
, *kernel_cmdline
;
2798 const char *boot_order
;
2800 int cyls
, heads
, secs
, translation
;
2801 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2802 QemuOptsList
*olist
;
2805 const char *loadvm
= NULL
;
2806 QEMUMachine
*machine
;
2807 const char *cpu_model
;
2808 const char *vga_model
= "none";
2809 const char *qtest_chrdev
= NULL
;
2810 const char *qtest_log
= NULL
;
2811 const char *pid_file
= NULL
;
2812 const char *incoming
= NULL
;
2814 int show_vnc_port
= 0;
2816 bool defconfig
= true;
2817 bool userconfig
= true;
2818 const char *log_mask
= NULL
;
2819 const char *log_file
= NULL
;
2820 GMemVTable mem_trace
= {
2821 .malloc
= malloc_and_trace
,
2822 .realloc
= realloc_and_trace
,
2823 .free
= free_and_trace
,
2825 const char *trace_events
= NULL
;
2826 const char *trace_file
= NULL
;
2828 atexit(qemu_run_exit_notifiers
);
2829 error_set_progname(argv
[0]);
2830 qemu_init_exec_dir(argv
[0]);
2832 g_mem_set_vtable(&mem_trace
);
2833 if (!g_thread_supported()) {
2834 #if !GLIB_CHECK_VERSION(2, 31, 0)
2835 g_thread_init(NULL
);
2837 fprintf(stderr
, "glib threading failed to initialize.\n");
2842 module_call_init(MODULE_INIT_QOM
);
2844 qemu_add_opts(&qemu_drive_opts
);
2845 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2846 qemu_add_drive_opts(&qemu_common_drive_opts
);
2847 qemu_add_drive_opts(&qemu_drive_opts
);
2848 qemu_add_opts(&qemu_chardev_opts
);
2849 qemu_add_opts(&qemu_device_opts
);
2850 qemu_add_opts(&qemu_netdev_opts
);
2851 qemu_add_opts(&qemu_net_opts
);
2852 qemu_add_opts(&qemu_rtc_opts
);
2853 qemu_add_opts(&qemu_global_opts
);
2854 qemu_add_opts(&qemu_mon_opts
);
2855 qemu_add_opts(&qemu_trace_opts
);
2856 qemu_add_opts(&qemu_option_rom_opts
);
2857 qemu_add_opts(&qemu_machine_opts
);
2858 qemu_add_opts(&qemu_smp_opts
);
2859 qemu_add_opts(&qemu_boot_opts
);
2860 qemu_add_opts(&qemu_sandbox_opts
);
2861 qemu_add_opts(&qemu_add_fd_opts
);
2862 qemu_add_opts(&qemu_object_opts
);
2863 qemu_add_opts(&qemu_tpmdev_opts
);
2864 qemu_add_opts(&qemu_realtime_opts
);
2865 qemu_add_opts(&qemu_msg_opts
);
2870 rtc_clock
= QEMU_CLOCK_HOST
;
2872 qemu_init_auxval(envp
);
2873 qemu_cache_utils_init();
2875 QLIST_INIT (&vm_change_state_head
);
2876 os_setup_early_signal_handling();
2878 module_call_init(MODULE_INIT_MACHINE
);
2879 machine
= find_default_machine();
2883 cyls
= heads
= secs
= 0;
2884 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2886 for (i
= 0; i
< MAX_NODES
; i
++) {
2888 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2894 bdrv_init_with_whitelist();
2898 /* first pass of option parsing */
2900 while (optind
< argc
) {
2901 if (argv
[optind
][0] != '-') {
2906 const QEMUOption
*popt
;
2908 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2909 switch (popt
->index
) {
2910 case QEMU_OPTION_nodefconfig
:
2913 case QEMU_OPTION_nouserconfig
:
2922 ret
= qemu_read_default_config_files(userconfig
);
2928 /* second pass of option parsing */
2933 if (argv
[optind
][0] != '-') {
2934 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2936 const QEMUOption
*popt
;
2938 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2939 if (!(popt
->arch_mask
& arch_type
)) {
2940 printf("Option %s not supported for this target\n", popt
->name
);
2943 switch(popt
->index
) {
2945 machine
= machine_parse(optarg
);
2947 case QEMU_OPTION_no_kvm_irqchip
: {
2948 olist
= qemu_find_opts("machine");
2949 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2952 case QEMU_OPTION_cpu
:
2953 /* hw initialization will check this */
2956 case QEMU_OPTION_hda
:
2960 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2962 snprintf(buf
, sizeof(buf
),
2963 "%s,cyls=%d,heads=%d,secs=%d%s",
2964 HD_OPTS
, cyls
, heads
, secs
,
2965 translation
== BIOS_ATA_TRANSLATION_LBA
?
2967 translation
== BIOS_ATA_TRANSLATION_NONE
?
2968 ",trans=none" : "");
2969 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2972 case QEMU_OPTION_hdb
:
2973 case QEMU_OPTION_hdc
:
2974 case QEMU_OPTION_hdd
:
2975 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2978 case QEMU_OPTION_drive
:
2979 if (drive_def(optarg
) == NULL
) {
2983 case QEMU_OPTION_set
:
2984 if (qemu_set_option(optarg
) != 0)
2987 case QEMU_OPTION_global
:
2988 if (qemu_global_option(optarg
) != 0)
2991 case QEMU_OPTION_mtdblock
:
2992 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2994 case QEMU_OPTION_sd
:
2995 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2997 case QEMU_OPTION_pflash
:
2998 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3000 case QEMU_OPTION_snapshot
:
3003 case QEMU_OPTION_hdachs
:
3007 cyls
= strtol(p
, (char **)&p
, 0);
3008 if (cyls
< 1 || cyls
> 16383)
3013 heads
= strtol(p
, (char **)&p
, 0);
3014 if (heads
< 1 || heads
> 16)
3019 secs
= strtol(p
, (char **)&p
, 0);
3020 if (secs
< 1 || secs
> 63)
3024 if (!strcmp(p
, "none"))
3025 translation
= BIOS_ATA_TRANSLATION_NONE
;
3026 else if (!strcmp(p
, "lba"))
3027 translation
= BIOS_ATA_TRANSLATION_LBA
;
3028 else if (!strcmp(p
, "auto"))
3029 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3032 } else if (*p
!= '\0') {
3034 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3037 if (hda_opts
!= NULL
) {
3039 snprintf(num
, sizeof(num
), "%d", cyls
);
3040 qemu_opt_set(hda_opts
, "cyls", num
);
3041 snprintf(num
, sizeof(num
), "%d", heads
);
3042 qemu_opt_set(hda_opts
, "heads", num
);
3043 snprintf(num
, sizeof(num
), "%d", secs
);
3044 qemu_opt_set(hda_opts
, "secs", num
);
3045 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3046 qemu_opt_set(hda_opts
, "trans", "lba");
3047 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3048 qemu_opt_set(hda_opts
, "trans", "none");
3052 case QEMU_OPTION_numa
:
3055 case QEMU_OPTION_display
:
3056 display_type
= select_display(optarg
);
3058 case QEMU_OPTION_nographic
:
3059 display_type
= DT_NOGRAPHIC
;
3061 case QEMU_OPTION_curses
:
3062 #ifdef CONFIG_CURSES
3063 display_type
= DT_CURSES
;
3065 fprintf(stderr
, "Curses support is disabled\n");
3069 case QEMU_OPTION_portrait
:
3070 graphic_rotate
= 90;
3072 case QEMU_OPTION_rotate
:
3073 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3074 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3075 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3077 "qemu: only 90, 180, 270 deg rotation is available\n");
3081 case QEMU_OPTION_kernel
:
3082 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3084 case QEMU_OPTION_initrd
:
3085 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3087 case QEMU_OPTION_append
:
3088 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3090 case QEMU_OPTION_dtb
:
3091 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3093 case QEMU_OPTION_cdrom
:
3094 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3096 case QEMU_OPTION_boot
:
3097 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3102 case QEMU_OPTION_fda
:
3103 case QEMU_OPTION_fdb
:
3104 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3107 case QEMU_OPTION_no_fd_bootchk
:
3110 case QEMU_OPTION_netdev
:
3111 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3115 case QEMU_OPTION_net
:
3116 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3120 #ifdef CONFIG_LIBISCSI
3121 case QEMU_OPTION_iscsi
:
3122 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3129 case QEMU_OPTION_tftp
:
3130 legacy_tftp_prefix
= optarg
;
3132 case QEMU_OPTION_bootp
:
3133 legacy_bootp_filename
= optarg
;
3135 case QEMU_OPTION_redir
:
3136 if (net_slirp_redir(optarg
) < 0)
3140 case QEMU_OPTION_bt
:
3141 add_device_config(DEV_BT
, optarg
);
3143 case QEMU_OPTION_audio_help
:
3147 case QEMU_OPTION_soundhw
:
3148 select_soundhw (optarg
);
3153 case QEMU_OPTION_version
:
3157 case QEMU_OPTION_m
: {
3162 value
= strtosz(optarg
, &end
);
3163 if (value
< 0 || *end
) {
3164 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3167 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3169 if (ram_size
!= sz
) {
3170 fprintf(stderr
, "qemu: ram size too large\n");
3176 case QEMU_OPTION_tpmdev
:
3177 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3182 case QEMU_OPTION_mempath
:
3185 case QEMU_OPTION_mem_prealloc
:
3195 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3197 case QEMU_OPTION_gdb
:
3198 add_device_config(DEV_GDB
, optarg
);
3201 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3202 data_dir
[data_dir_idx
++] = optarg
;
3205 case QEMU_OPTION_bios
:
3206 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3208 case QEMU_OPTION_singlestep
:
3215 keyboard_layout
= optarg
;
3217 case QEMU_OPTION_localtime
:
3220 case QEMU_OPTION_vga
:
3229 w
= strtol(p
, (char **)&p
, 10);
3232 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3238 h
= strtol(p
, (char **)&p
, 10);
3243 depth
= strtol(p
, (char **)&p
, 10);
3244 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3245 depth
!= 24 && depth
!= 32)
3247 } else if (*p
== '\0') {
3248 depth
= graphic_depth
;
3255 graphic_depth
= depth
;
3258 case QEMU_OPTION_echr
:
3261 term_escape_char
= strtol(optarg
, &r
, 0);
3263 printf("Bad argument to echr\n");
3266 case QEMU_OPTION_monitor
:
3267 default_monitor
= 0;
3268 if (strncmp(optarg
, "none", 4)) {
3269 monitor_parse(optarg
, "readline");
3272 case QEMU_OPTION_qmp
:
3273 monitor_parse(optarg
, "control");
3274 default_monitor
= 0;
3276 case QEMU_OPTION_mon
:
3277 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3281 default_monitor
= 0;
3283 case QEMU_OPTION_chardev
:
3284 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3289 case QEMU_OPTION_fsdev
:
3290 olist
= qemu_find_opts("fsdev");
3292 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3295 opts
= qemu_opts_parse(olist
, optarg
, 1);
3300 case QEMU_OPTION_virtfs
: {
3303 const char *writeout
, *sock_fd
, *socket
;
3305 olist
= qemu_find_opts("virtfs");
3307 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3310 opts
= qemu_opts_parse(olist
, optarg
, 1);
3315 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3316 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3317 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3320 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3321 qemu_opt_get(opts
, "mount_tag"),
3324 fprintf(stderr
, "duplicate fsdev id: %s\n",
3325 qemu_opt_get(opts
, "mount_tag"));
3329 writeout
= qemu_opt_get(opts
, "writeout");
3331 #ifdef CONFIG_SYNC_FILE_RANGE
3332 qemu_opt_set(fsdev
, "writeout", writeout
);
3334 fprintf(stderr
, "writeout=immediate not supported on "
3339 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3340 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3341 qemu_opt_set(fsdev
, "security_model",
3342 qemu_opt_get(opts
, "security_model"));
3343 socket
= qemu_opt_get(opts
, "socket");
3345 qemu_opt_set(fsdev
, "socket", socket
);
3347 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3349 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3352 qemu_opt_set_bool(fsdev
, "readonly",
3353 qemu_opt_get_bool(opts
, "readonly", 0));
3354 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3356 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3357 qemu_opt_set(device
, "fsdev",
3358 qemu_opt_get(opts
, "mount_tag"));
3359 qemu_opt_set(device
, "mount_tag",
3360 qemu_opt_get(opts
, "mount_tag"));
3363 case QEMU_OPTION_virtfs_synth
: {
3367 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3370 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3373 qemu_opt_set(fsdev
, "fsdriver", "synth");
3375 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3377 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3378 qemu_opt_set(device
, "fsdev", "v_synth");
3379 qemu_opt_set(device
, "mount_tag", "v_synth");
3382 case QEMU_OPTION_serial
:
3383 add_device_config(DEV_SERIAL
, optarg
);
3385 if (strncmp(optarg
, "mon:", 4) == 0) {
3386 default_monitor
= 0;
3389 case QEMU_OPTION_watchdog
:
3392 "qemu: only one watchdog option may be given\n");
3397 case QEMU_OPTION_watchdog_action
:
3398 if (select_watchdog_action(optarg
) == -1) {
3399 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3403 case QEMU_OPTION_virtiocon
:
3404 add_device_config(DEV_VIRTCON
, optarg
);
3405 default_virtcon
= 0;
3406 if (strncmp(optarg
, "mon:", 4) == 0) {
3407 default_monitor
= 0;
3410 case QEMU_OPTION_parallel
:
3411 add_device_config(DEV_PARALLEL
, optarg
);
3412 default_parallel
= 0;
3413 if (strncmp(optarg
, "mon:", 4) == 0) {
3414 default_monitor
= 0;
3417 case QEMU_OPTION_debugcon
:
3418 add_device_config(DEV_DEBUGCON
, optarg
);
3420 case QEMU_OPTION_loadvm
:
3423 case QEMU_OPTION_full_screen
:
3426 case QEMU_OPTION_no_frame
:
3429 case QEMU_OPTION_alt_grab
:
3432 case QEMU_OPTION_ctrl_grab
:
3435 case QEMU_OPTION_no_quit
:
3438 case QEMU_OPTION_sdl
:
3440 display_type
= DT_SDL
;
3443 fprintf(stderr
, "SDL support is disabled\n");
3446 case QEMU_OPTION_pidfile
:
3449 case QEMU_OPTION_win2k_hack
:
3450 win2k_install_hack
= 1;
3452 case QEMU_OPTION_rtc_td_hack
: {
3453 static GlobalProperty slew_lost_ticks
[] = {
3455 .driver
= "mc146818rtc",
3456 .property
= "lost_tick_policy",
3459 { /* end of list */ }
3462 qdev_prop_register_global_list(slew_lost_ticks
);
3465 case QEMU_OPTION_acpitable
:
3466 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3470 do_acpitable_option(opts
);
3472 case QEMU_OPTION_smbios
:
3473 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3477 do_smbios_option(opts
);
3479 case QEMU_OPTION_enable_kvm
:
3480 olist
= qemu_find_opts("machine");
3481 qemu_opts_parse(olist
, "accel=kvm", 0);
3483 case QEMU_OPTION_machine
:
3484 olist
= qemu_find_opts("machine");
3485 opts
= qemu_opts_parse(olist
, optarg
, 1);
3489 optarg
= qemu_opt_get(opts
, "type");
3491 machine
= machine_parse(optarg
);
3494 case QEMU_OPTION_no_kvm
:
3495 olist
= qemu_find_opts("machine");
3496 qemu_opts_parse(olist
, "accel=tcg", 0);
3498 case QEMU_OPTION_no_kvm_pit
: {
3499 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3503 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3504 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3506 .driver
= "kvm-pit",
3507 .property
= "lost_tick_policy",
3510 { /* end of list */ }
3513 fprintf(stderr
, "Warning: option deprecated, use "
3514 "lost_tick_policy property of kvm-pit instead.\n");
3515 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3518 case QEMU_OPTION_usb
:
3519 olist
= qemu_find_opts("machine");
3520 qemu_opts_parse(olist
, "usb=on", 0);
3522 case QEMU_OPTION_usbdevice
:
3523 olist
= qemu_find_opts("machine");
3524 qemu_opts_parse(olist
, "usb=on", 0);
3525 add_device_config(DEV_USB
, optarg
);
3527 case QEMU_OPTION_device
:
3528 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3532 case QEMU_OPTION_smp
:
3533 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3537 case QEMU_OPTION_vnc
:
3540 vnc_display
= optarg
;
3542 fprintf(stderr
, "VNC support is disabled\n");
3546 case QEMU_OPTION_no_acpi
:
3549 case QEMU_OPTION_no_hpet
:
3552 case QEMU_OPTION_balloon
:
3553 if (balloon_parse(optarg
) < 0) {
3554 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3558 case QEMU_OPTION_no_reboot
:
3561 case QEMU_OPTION_no_shutdown
:
3564 case QEMU_OPTION_show_cursor
:
3567 case QEMU_OPTION_uuid
:
3568 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3569 fprintf(stderr
, "Fail to parse UUID string."
3570 " Wrong format.\n");
3573 qemu_uuid_set
= true;
3575 case QEMU_OPTION_option_rom
:
3576 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3577 fprintf(stderr
, "Too many option ROMs\n");
3580 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3584 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3585 option_rom
[nb_option_roms
].bootindex
=
3586 qemu_opt_get_number(opts
, "bootindex", -1);
3587 if (!option_rom
[nb_option_roms
].name
) {
3588 fprintf(stderr
, "Option ROM file is not specified\n");
3593 case QEMU_OPTION_semihosting
:
3594 semihosting_enabled
= 1;
3596 case QEMU_OPTION_tdf
:
3597 fprintf(stderr
, "Warning: user space PIT time drift fix "
3598 "is no longer supported.\n");
3600 case QEMU_OPTION_name
:
3601 qemu_name
= g_strdup(optarg
);
3603 char *p
= strchr(qemu_name
, ',');
3606 if (strncmp(p
, "process=", 8)) {
3607 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3611 os_set_proc_name(p
);
3615 case QEMU_OPTION_prom_env
:
3616 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3617 fprintf(stderr
, "Too many prom variables\n");
3620 prom_envs
[nb_prom_envs
] = optarg
;
3623 case QEMU_OPTION_old_param
:
3626 case QEMU_OPTION_clock
:
3627 /* Clock options no longer exist. Keep this option for
3628 * backward compatibility.
3631 case QEMU_OPTION_startdate
:
3632 configure_rtc_date_offset(optarg
, 1);
3634 case QEMU_OPTION_rtc
:
3635 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3639 configure_rtc(opts
);
3641 case QEMU_OPTION_tb_size
:
3642 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3643 if (tcg_tb_size
< 0) {
3647 case QEMU_OPTION_icount
:
3648 icount_option
= optarg
;
3650 case QEMU_OPTION_incoming
:
3652 runstate_set(RUN_STATE_INMIGRATE
);
3654 case QEMU_OPTION_nodefaults
:
3656 default_parallel
= 0;
3657 default_virtcon
= 0;
3659 default_monitor
= 0;
3666 case QEMU_OPTION_xen_domid
:
3667 if (!(xen_available())) {
3668 printf("Option %s not supported for this target\n", popt
->name
);
3671 xen_domid
= atoi(optarg
);
3673 case QEMU_OPTION_xen_create
:
3674 if (!(xen_available())) {
3675 printf("Option %s not supported for this target\n", popt
->name
);
3678 xen_mode
= XEN_CREATE
;
3680 case QEMU_OPTION_xen_attach
:
3681 if (!(xen_available())) {
3682 printf("Option %s not supported for this target\n", popt
->name
);
3685 xen_mode
= XEN_ATTACH
;
3687 case QEMU_OPTION_trace
:
3689 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3693 trace_events
= qemu_opt_get(opts
, "events");
3694 trace_file
= qemu_opt_get(opts
, "file");
3697 case QEMU_OPTION_readconfig
:
3699 int ret
= qemu_read_config_file(optarg
);
3701 fprintf(stderr
, "read config %s: %s\n", optarg
,
3707 case QEMU_OPTION_spice
:
3708 olist
= qemu_find_opts("spice");
3710 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3713 opts
= qemu_opts_parse(olist
, optarg
, 0);
3719 case QEMU_OPTION_writeconfig
:
3722 if (strcmp(optarg
, "-") == 0) {
3725 fp
= fopen(optarg
, "w");
3727 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3731 qemu_config_write(fp
);
3735 case QEMU_OPTION_qtest
:
3736 qtest_chrdev
= optarg
;
3738 case QEMU_OPTION_qtest_log
:
3741 case QEMU_OPTION_sandbox
:
3742 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3747 case QEMU_OPTION_add_fd
:
3749 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3754 error_report("File descriptor passing is disabled on this "
3759 case QEMU_OPTION_object
:
3760 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3765 case QEMU_OPTION_realtime
:
3766 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3770 configure_realtime(opts
);
3772 case QEMU_OPTION_msg
:
3773 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3777 configure_msg(opts
);
3780 os_parse_cmd_args(popt
->index
, optarg
);
3786 if (qemu_init_main_loop()) {
3787 fprintf(stderr
, "qemu_init_main_loop failed\n");
3791 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3796 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3800 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3805 if (machine
== NULL
) {
3806 fprintf(stderr
, "No machine found.\n");
3810 if (machine
->hw_version
) {
3811 qemu_set_version(machine
->hw_version
);
3814 if (qemu_opts_foreach(qemu_find_opts("object"),
3815 object_create
, NULL
, 0) != 0) {
3819 /* Init CPU def lists, based on config
3820 * - Must be called after all the qemu_read_config_file() calls
3821 * - Must be called before list_cpus()
3822 * - Must be called before machine->init()
3826 if (cpu_model
&& is_help_option(cpu_model
)) {
3827 list_cpus(stdout
, &fprintf
, cpu_model
);
3831 /* Open the logfile at this point, if necessary. We can't open the logfile
3832 * when encountering either of the logging options (-d or -D) because the
3833 * other one may be encountered later on the command line, changing the
3834 * location or level of logging.
3839 qemu_set_log_filename(log_file
);
3842 mask
= qemu_str_to_log_mask(log_mask
);
3844 qemu_print_log_usage(stdout
);
3850 if (!is_daemonized()) {
3851 if (!trace_backend_init(trace_events
, trace_file
)) {
3856 /* If no data_dir is specified then try to find it relative to the
3858 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3859 data_dir
[data_dir_idx
] = os_find_datadir();
3860 if (data_dir
[data_dir_idx
] != NULL
) {
3864 /* If all else fails use the install path specified when building. */
3865 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3866 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3869 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3871 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3872 if (smp_cpus
> machine
->max_cpus
) {
3873 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3874 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3880 * Get the default machine options from the machine if it is not already
3881 * specified either by the configuration file or by the command line.
3883 if (machine
->default_machine_opts
) {
3884 qemu_opts_set_defaults(qemu_find_opts("machine"),
3885 machine
->default_machine_opts
, 0);
3888 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3889 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3891 if (machine
->no_serial
) {
3894 if (machine
->no_parallel
) {
3895 default_parallel
= 0;
3897 if (!machine
->use_virtcon
) {
3898 default_virtcon
= 0;
3900 if (!machine
->use_sclp
) {
3903 if (machine
->no_floppy
) {
3906 if (machine
->no_cdrom
) {
3909 if (machine
->no_sdcard
) {
3913 if (is_daemonized()) {
3914 /* According to documentation and historically, -nographic redirects
3915 * serial port, parallel port and monitor to stdio, which does not work
3916 * with -daemonize. We can redirect these to null instead, but since
3917 * -nographic is legacy, let's just error out.
3918 * We disallow -nographic only if all other ports are not redirected
3919 * explicitly, to not break existing legacy setups which uses
3920 * -nographic _and_ redirects all ports explicitly - this is valid
3921 * usage, -nographic is just a no-op in this case.
3923 if (display_type
== DT_NOGRAPHIC
3924 && (default_parallel
|| default_serial
3925 || default_monitor
|| default_virtcon
)) {
3926 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3929 #ifdef CONFIG_CURSES
3930 if (display_type
== DT_CURSES
) {
3931 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3937 if (display_type
== DT_NOGRAPHIC
) {
3938 if (default_parallel
)
3939 add_device_config(DEV_PARALLEL
, "null");
3940 if (default_serial
&& default_monitor
) {
3941 add_device_config(DEV_SERIAL
, "mon:stdio");
3942 } else if (default_virtcon
&& default_monitor
) {
3943 add_device_config(DEV_VIRTCON
, "mon:stdio");
3944 } else if (default_sclp
&& default_monitor
) {
3945 add_device_config(DEV_SCLP
, "mon:stdio");
3948 add_device_config(DEV_SERIAL
, "stdio");
3949 if (default_virtcon
)
3950 add_device_config(DEV_VIRTCON
, "stdio");
3952 add_device_config(DEV_SCLP
, "stdio");
3954 if (default_monitor
)
3955 monitor_parse("stdio", "readline");
3959 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3960 if (default_parallel
)
3961 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3962 if (default_monitor
)
3963 monitor_parse("vc:80Cx24C", "readline");
3964 if (default_virtcon
)
3965 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3967 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3971 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3972 #if defined(CONFIG_GTK)
3973 display_type
= DT_GTK
;
3974 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3975 display_type
= DT_SDL
;
3976 #elif defined(CONFIG_VNC)
3977 vnc_display
= "localhost:0,to=99";
3980 display_type
= DT_NONE
;
3984 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
3985 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3986 "for SDL, ignoring option\n");
3988 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
3989 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
3990 "ignoring option\n");
3993 #if defined(CONFIG_GTK)
3994 if (display_type
== DT_GTK
) {
3995 early_gtk_display_init();
4001 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4003 #ifdef CONFIG_VIRTFS
4004 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4011 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4016 /* init the memory */
4017 if (ram_size
== 0) {
4018 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4021 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4026 configure_accelerator();
4029 qtest_init(qtest_chrdev
, qtest_log
);
4032 machine_opts
= qemu_get_machine_opts();
4033 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4034 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4035 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4036 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4038 boot_order
= machine
->default_boot_order
;
4039 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4041 char *normal_boot_order
;
4042 const char *order
, *once
;
4044 order
= qemu_opt_get(opts
, "order");
4046 validate_bootdevices(order
);
4050 once
= qemu_opt_get(opts
, "once");
4052 validate_bootdevices(once
);
4053 normal_boot_order
= g_strdup(boot_order
);
4055 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4058 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4059 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4062 if (!kernel_cmdline
) {
4063 kernel_cmdline
= "";
4066 linux_boot
= (kernel_filename
!= NULL
);
4068 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4069 fprintf(stderr
, "-append only allowed with -kernel option\n");
4073 if (!linux_boot
&& initrd_filename
!= NULL
) {
4074 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4078 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4079 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4083 os_set_line_buffering();
4085 qemu_init_cpu_loop();
4086 qemu_mutex_lock_iothread();
4089 /* spice needs the timers to be initialized by this point */
4093 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4094 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4097 configure_icount(icount_option
);
4099 /* clean up network at qemu process termination */
4100 atexit(&net_cleanup
);
4102 if (net_init_clients() < 0) {
4107 if (tpm_init() < 0) {
4112 /* init the bluetooth world */
4113 if (foreach_device_config(DEV_BT
, bt_parse
))
4116 if (!xen_enabled()) {
4117 /* On 32-bit hosts, QEMU is limited by virtual address space */
4118 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4119 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4124 cpu_exec_init_all();
4128 /* open the virtual block devices */
4130 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4131 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4132 &machine
->block_default_type
, 1) != 0) {
4136 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4138 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4139 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4141 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4143 if (nb_numa_nodes
> 0) {
4146 if (nb_numa_nodes
> MAX_NODES
) {
4147 nb_numa_nodes
= MAX_NODES
;
4150 /* If no memory size if given for any node, assume the default case
4151 * and distribute the available memory equally across all nodes
4153 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4154 if (node_mem
[i
] != 0)
4157 if (i
== nb_numa_nodes
) {
4158 uint64_t usedmem
= 0;
4160 /* On Linux, the each node's border has to be 8MB aligned,
4161 * the final node gets the rest.
4163 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4164 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4165 usedmem
+= node_mem
[i
];
4167 node_mem
[i
] = ram_size
- usedmem
;
4170 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4171 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4175 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4176 * must cope with this anyway, because there are BIOSes out there in
4177 * real machines which also use this scheme.
4179 if (i
== nb_numa_nodes
) {
4180 for (i
= 0; i
< max_cpus
; i
++) {
4181 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4186 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4190 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4192 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4194 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4196 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4199 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4202 /* If no default VGA is requested, the default is "none". */
4204 if (cirrus_vga_available()) {
4205 vga_model
= "cirrus";
4206 } else if (vga_available()) {
4210 select_vgahw(vga_model
);
4213 i
= select_watchdog(watchdog
);
4215 exit (i
== 1 ? 1 : 0);
4218 if (machine
->compat_props
) {
4219 qdev_prop_register_global_list(machine
->compat_props
);
4223 qdev_machine_init();
4225 QEMUMachineInitArgs args
= { .machine
= machine
,
4226 .ram_size
= ram_size
,
4227 .boot_order
= boot_order
,
4228 .kernel_filename
= kernel_filename
,
4229 .kernel_cmdline
= kernel_cmdline
,
4230 .initrd_filename
= initrd_filename
,
4231 .cpu_model
= cpu_model
};
4232 machine
->init(&args
);
4236 cpu_synchronize_all_post_init();
4240 current_machine
= machine
;
4242 /* init USB devices */
4243 if (usb_enabled(false)) {
4244 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4248 /* init generic devices */
4249 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4252 net_check_clients();
4254 ds
= init_displaystate();
4256 /* init local displays */
4257 switch (display_type
) {
4259 (void)ds
; /* avoid warning if no display is configured */
4261 #if defined(CONFIG_CURSES)
4263 curses_display_init(ds
, full_screen
);
4266 #if defined(CONFIG_SDL)
4268 sdl_display_init(ds
, full_screen
, no_frame
);
4270 #elif defined(CONFIG_COCOA)
4272 cocoa_display_init(ds
, full_screen
);
4275 #if defined(CONFIG_GTK)
4277 gtk_display_init(ds
, full_screen
);
4284 /* must be after terminal init, SDL library changes signal handlers */
4285 os_setup_signal_handling();
4288 /* init remote displays */
4290 Error
*local_err
= NULL
;
4291 vnc_display_init(ds
);
4292 vnc_display_open(ds
, vnc_display
, &local_err
);
4293 if (local_err
!= NULL
) {
4294 error_report("Failed to start VNC server on `%s': %s",
4295 vnc_display
, error_get_pretty(local_err
));
4296 error_free(local_err
);
4300 if (show_vnc_port
) {
4301 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4307 qemu_spice_display_init();
4311 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4315 qdev_machine_creation_done();
4317 if (rom_load_all() != 0) {
4318 fprintf(stderr
, "rom loading failed\n");
4322 /* TODO: once all bus devices are qdevified, this should be done
4323 * when bus is created by qdev.c */
4324 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4325 qemu_run_machine_init_done_notifiers();
4327 /* Done notifiers can load ROMs */
4330 qemu_system_reset(VMRESET_SILENT
);
4332 if (load_vmstate(loadvm
) < 0) {
4338 Error
*local_err
= NULL
;
4339 qemu_start_incoming_migration(incoming
, &local_err
);
4341 error_report("-incoming %s: %s", incoming
,
4342 error_get_pretty(local_err
));
4343 error_free(local_err
);
4346 } else if (autostart
) {
4352 if (is_daemonized()) {
4353 if (!trace_backend_init(trace_events
, trace_file
)) {