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 "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "sysemu/seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc
, char **argv
, char **envp
);
100 int main(int argc
, char **argv
)
102 return qemu_main(argc
, argv
, NULL
);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir
[16];
183 static int data_dir_idx
;
184 const char *bios_name
= NULL
;
185 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
186 DisplayType display_type
= DT_DEFAULT
;
187 static int display_remote
;
188 const char* keyboard_layout
= NULL
;
190 const char *mem_path
= NULL
;
191 int mem_prealloc
= 0; /* force preallocation of physical target memory */
193 NICInfo nd_table
[MAX_NICS
];
195 static int rtc_utc
= 1;
196 static int rtc_date_offset
= -1; /* -1 means no change */
197 QEMUClockType rtc_clock
;
198 int vga_interface_type
= VGA_NONE
;
199 static int full_screen
= 0;
200 static int no_frame
= 0;
202 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
203 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
204 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
205 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
206 int win2k_install_hack
= 0;
213 const char *vnc_display
;
215 int acpi_enabled
= 1;
218 static int no_reboot
;
221 int graphic_rotate
= 0;
222 const char *watchdog
;
223 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
225 int semihosting_enabled
= 0;
227 const char *qemu_name
;
230 unsigned int nb_prom_envs
= 0;
231 const char *prom_envs
[MAX_PROM_ENVS
];
234 uint8_t *boot_splash_filedata
;
235 size_t boot_splash_filedata_size
;
236 uint8_t qemu_extra_params_fw
[2];
238 typedef struct FWBootEntry FWBootEntry
;
241 QTAILQ_ENTRY(FWBootEntry
) link
;
247 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
248 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
251 uint64_t node_mem
[MAX_NODES
];
252 unsigned long *node_cpumask
[MAX_NODES
];
254 uint8_t qemu_uuid
[16];
257 static QEMUBootSetHandler
*boot_set_handler
;
258 static void *boot_set_opaque
;
260 static NotifierList exit_notifiers
=
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
263 static NotifierList machine_init_done_notifiers
=
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
266 static bool tcg_allowed
= true;
269 enum xen_mode xen_mode
= XEN_EMULATE
;
270 static int tcg_tb_size
;
272 static int default_serial
= 1;
273 static int default_parallel
= 1;
274 static int default_virtcon
= 1;
275 static int default_sclp
= 1;
276 static int default_monitor
= 1;
277 static int default_floppy
= 1;
278 static int default_cdrom
= 1;
279 static int default_sdcard
= 1;
280 static int default_vga
= 1;
286 { .driver
= "isa-serial", .flag
= &default_serial
},
287 { .driver
= "isa-parallel", .flag
= &default_parallel
},
288 { .driver
= "isa-fdc", .flag
= &default_floppy
},
289 { .driver
= "ide-cd", .flag
= &default_cdrom
},
290 { .driver
= "ide-hd", .flag
= &default_cdrom
},
291 { .driver
= "ide-drive", .flag
= &default_cdrom
},
292 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
293 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
294 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
295 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
296 { .driver
= "VGA", .flag
= &default_vga
},
297 { .driver
= "isa-vga", .flag
= &default_vga
},
298 { .driver
= "cirrus-vga", .flag
= &default_vga
},
299 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
300 { .driver
= "vmware-svga", .flag
= &default_vga
},
301 { .driver
= "qxl-vga", .flag
= &default_vga
},
304 static QemuOptsList qemu_rtc_opts
= {
306 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
310 .type
= QEMU_OPT_STRING
,
313 .type
= QEMU_OPT_STRING
,
316 .type
= QEMU_OPT_STRING
,
318 { /* end of list */ }
322 static QemuOptsList qemu_sandbox_opts
= {
324 .implied_opt_name
= "enable",
325 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
329 .type
= QEMU_OPT_BOOL
,
331 { /* end of list */ }
335 static QemuOptsList qemu_trace_opts
= {
337 .implied_opt_name
= "trace",
338 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
342 .type
= QEMU_OPT_STRING
,
345 .type
= QEMU_OPT_STRING
,
347 { /* end of list */ }
351 static QemuOptsList qemu_option_rom_opts
= {
352 .name
= "option-rom",
353 .implied_opt_name
= "romfile",
354 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
358 .type
= QEMU_OPT_NUMBER
,
361 .type
= QEMU_OPT_STRING
,
363 { /* end of list */ }
367 static QemuOptsList qemu_machine_opts
= {
369 .implied_opt_name
= "type",
371 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
375 .type
= QEMU_OPT_STRING
,
376 .help
= "emulated machine"
379 .type
= QEMU_OPT_STRING
,
380 .help
= "accelerator list",
382 .name
= "kernel_irqchip",
383 .type
= QEMU_OPT_BOOL
,
384 .help
= "use KVM in-kernel irqchip",
386 .name
= "kvm_shadow_mem",
387 .type
= QEMU_OPT_SIZE
,
388 .help
= "KVM shadow MMU size",
391 .type
= QEMU_OPT_STRING
,
392 .help
= "Linux kernel image file",
395 .type
= QEMU_OPT_STRING
,
396 .help
= "Linux initial ramdisk file",
399 .type
= QEMU_OPT_STRING
,
400 .help
= "Linux kernel command line",
403 .type
= QEMU_OPT_STRING
,
404 .help
= "Linux kernel device tree file",
407 .type
= QEMU_OPT_STRING
,
408 .help
= "Dump current dtb to a file and quit",
410 .name
= "phandle_start",
411 .type
= QEMU_OPT_NUMBER
,
412 .help
= "The first phandle ID we may generate dynamically",
414 .name
= "dt_compatible",
415 .type
= QEMU_OPT_STRING
,
416 .help
= "Overrides the \"compatible\" property of the dt root node",
418 .name
= "dump-guest-core",
419 .type
= QEMU_OPT_BOOL
,
420 .help
= "Include guest memory in a core dump",
423 .type
= QEMU_OPT_BOOL
,
424 .help
= "enable/disable memory merge support",
427 .type
= QEMU_OPT_BOOL
,
428 .help
= "Set on/off to enable/disable usb",
431 .type
= QEMU_OPT_STRING
,
432 .help
= "firmware image",
434 { /* End of list */ }
438 static QemuOptsList qemu_boot_opts
= {
440 .implied_opt_name
= "order",
442 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
446 .type
= QEMU_OPT_STRING
,
449 .type
= QEMU_OPT_STRING
,
452 .type
= QEMU_OPT_BOOL
,
455 .type
= QEMU_OPT_STRING
,
457 .name
= "splash-time",
458 .type
= QEMU_OPT_STRING
,
460 .name
= "reboot-timeout",
461 .type
= QEMU_OPT_STRING
,
464 .type
= QEMU_OPT_STRING
,
470 static QemuOptsList qemu_add_fd_opts
= {
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
476 .type
= QEMU_OPT_NUMBER
,
477 .help
= "file descriptor of which a duplicate is added to fd set",
480 .type
= QEMU_OPT_NUMBER
,
481 .help
= "ID of the fd set to add fd to",
484 .type
= QEMU_OPT_STRING
,
485 .help
= "free-form string used to describe fd",
487 { /* end of list */ }
491 static QemuOptsList qemu_object_opts
= {
493 .implied_opt_name
= "qom-type",
494 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
500 static QemuOptsList qemu_tpmdev_opts
= {
502 .implied_opt_name
= "type",
503 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
505 /* options are defined in the TPM backends */
506 { /* end of list */ }
510 static QemuOptsList qemu_realtime_opts
= {
512 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
516 .type
= QEMU_OPT_BOOL
,
518 { /* end of list */ }
522 static QemuOptsList qemu_msg_opts
= {
524 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
528 .type
= QEMU_OPT_BOOL
,
530 { /* end of list */ }
535 * Get machine options
537 * Returns: machine options (never null).
539 QemuOpts
*qemu_get_machine_opts(void)
544 list
= qemu_find_opts("machine");
546 opts
= qemu_opts_find(list
, NULL
);
548 opts
= qemu_opts_create_nofail(list
);
553 const char *qemu_get_vm_name(void)
558 static void res_free(void)
560 if (boot_splash_filedata
!= NULL
) {
561 g_free(boot_splash_filedata
);
562 boot_splash_filedata
= NULL
;
566 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
568 const char *driver
= qemu_opt_get(opts
, "driver");
573 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
574 if (strcmp(default_list
[i
].driver
, driver
) != 0)
576 *(default_list
[i
].flag
) = 0;
581 /***********************************************************/
584 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
589 } RunStateTransition
;
591 static const RunStateTransition runstate_transitions_def
[] = {
593 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
598 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
599 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
602 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
605 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
607 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
608 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
611 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
614 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
615 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
617 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
619 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
620 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
621 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
622 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
623 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
624 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
625 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
626 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
627 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
628 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
630 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
632 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
633 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
635 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
636 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
637 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
638 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
640 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
641 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
643 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
644 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
646 { RUN_STATE_MAX
, RUN_STATE_MAX
},
649 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
651 bool runstate_check(RunState state
)
653 return current_run_state
== state
;
656 static void runstate_init(void)
658 const RunStateTransition
*p
;
660 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
662 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
663 runstate_valid_transitions
[p
->from
][p
->to
] = true;
667 /* This function will abort() on invalid state transitions */
668 void runstate_set(RunState new_state
)
670 assert(new_state
< RUN_STATE_MAX
);
672 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
673 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
674 RunState_lookup
[current_run_state
],
675 RunState_lookup
[new_state
]);
678 trace_runstate_set(new_state
);
679 current_run_state
= new_state
;
682 int runstate_is_running(void)
684 return runstate_check(RUN_STATE_RUNNING
);
687 bool runstate_needs_reset(void)
689 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
690 runstate_check(RUN_STATE_SHUTDOWN
);
693 StatusInfo
*qmp_query_status(Error
**errp
)
695 StatusInfo
*info
= g_malloc0(sizeof(*info
));
697 info
->running
= runstate_is_running();
698 info
->singlestep
= singlestep
;
699 info
->status
= current_run_state
;
704 /***********************************************************/
705 /* real time host monotonic timer */
707 /***********************************************************/
708 /* host time/date access */
709 void qemu_get_timedate(struct tm
*tm
, int offset
)
715 if (rtc_date_offset
== -1) {
719 localtime_r(&ti
, tm
);
721 ti
-= rtc_date_offset
;
726 int qemu_timedate_diff(struct tm
*tm
)
730 if (rtc_date_offset
== -1)
732 seconds
= mktimegm(tm
);
735 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
736 seconds
= mktime(&tmp
);
739 seconds
= mktimegm(tm
) + rtc_date_offset
;
741 return seconds
- time(NULL
);
744 void rtc_change_mon_event(struct tm
*tm
)
748 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
749 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
750 qobject_decref(data
);
753 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
755 time_t rtc_start_date
;
758 if (!strcmp(startdate
, "now") && legacy
) {
759 rtc_date_offset
= -1;
761 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
769 } else if (sscanf(startdate
, "%d-%d-%d",
781 rtc_start_date
= mktimegm(&tm
);
782 if (rtc_start_date
== -1) {
784 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
785 "'2006-06-17T16:01:21' or '2006-06-17'\n");
788 rtc_date_offset
= time(NULL
) - rtc_start_date
;
792 static void configure_rtc(QemuOpts
*opts
)
796 value
= qemu_opt_get(opts
, "base");
798 if (!strcmp(value
, "utc")) {
800 } else if (!strcmp(value
, "localtime")) {
803 configure_rtc_date_offset(value
, 0);
806 value
= qemu_opt_get(opts
, "clock");
808 if (!strcmp(value
, "host")) {
809 rtc_clock
= QEMU_CLOCK_HOST
;
810 } else if (!strcmp(value
, "rt")) {
811 rtc_clock
= QEMU_CLOCK_REALTIME
;
812 } else if (!strcmp(value
, "vm")) {
813 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
815 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
819 value
= qemu_opt_get(opts
, "driftfix");
821 if (!strcmp(value
, "slew")) {
822 static GlobalProperty slew_lost_ticks
[] = {
824 .driver
= "mc146818rtc",
825 .property
= "lost_tick_policy",
828 { /* end of list */ }
831 qdev_prop_register_global_list(slew_lost_ticks
);
832 } else if (!strcmp(value
, "none")) {
833 /* discard is default */
835 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
841 /***********************************************************/
842 /* Bluetooth support */
845 static struct HCIInfo
*hci_table
[MAX_NICS
];
847 struct HCIInfo
*qemu_next_hci(void)
849 if (cur_hci
== nb_hcis
)
852 return hci_table
[cur_hci
++];
855 static int bt_hci_parse(const char *str
)
860 if (nb_hcis
>= MAX_NICS
) {
861 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
874 bdaddr
.b
[5] = 0x56 + nb_hcis
;
875 hci
->bdaddr_set(hci
, bdaddr
.b
);
877 hci_table
[nb_hcis
++] = hci
;
882 static void bt_vhci_add(int vlan_id
)
884 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
887 fprintf(stderr
, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id
);
890 bt_vhci_init(bt_new_hci(vlan
));
893 static struct bt_device_s
*bt_device_add(const char *opt
)
895 struct bt_scatternet_s
*vlan
;
897 char *endp
= strstr(opt
, ",vlan=");
898 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
901 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
904 vlan_id
= strtol(endp
+ 6, &endp
, 0);
906 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
911 vlan
= qemu_find_bt_vlan(vlan_id
);
914 fprintf(stderr
, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id
);
917 if (!strcmp(devname
, "keyboard"))
918 return bt_keyboard_init(vlan
);
920 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
924 static int bt_parse(const char *opt
)
926 const char *endp
, *p
;
929 if (strstart(opt
, "hci", &endp
)) {
930 if (!*endp
|| *endp
== ',') {
932 if (!strstart(endp
, ",vlan=", 0))
935 return bt_hci_parse(opt
);
937 } else if (strstart(opt
, "vhci", &endp
)) {
938 if (!*endp
|| *endp
== ',') {
940 if (strstart(endp
, ",vlan=", &p
)) {
941 vlan
= strtol(p
, (char **) &endp
, 0);
943 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
947 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
956 } else if (strstart(opt
, "device:", &endp
))
957 return !bt_device_add(endp
);
959 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
963 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts
, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
970 "failed to install seccomp syscall filter in the kernel");
974 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
975 "sandboxing request but seccomp is not compiled into this build");
983 bool usb_enabled(bool default_usb
)
985 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
989 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
991 int fd
, dupfd
, flags
;
993 const char *fd_opaque
= NULL
;
995 fd
= qemu_opt_get_number(opts
, "fd", -1);
996 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
997 fd_opaque
= qemu_opt_get(opts
, "opaque");
1000 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1001 "fd option is required and must be non-negative");
1005 if (fd
<= STDERR_FILENO
) {
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1007 "fd cannot be a standard I/O stream");
1012 * All fds inherited across exec() necessarily have FD_CLOEXEC
1013 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1015 flags
= fcntl(fd
, F_GETFD
);
1016 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1017 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1018 "fd is not valid or already in use");
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1024 "set option is required and must be non-negative");
1028 #ifdef F_DUPFD_CLOEXEC
1029 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1033 qemu_set_cloexec(dupfd
);
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1038 "Error duplicating fd: %s", strerror(errno
));
1042 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1043 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1049 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1053 fd
= qemu_opt_get_number(opts
, "fd", -1);
1060 /***********************************************************/
1061 /* QEMU Block devices */
1063 #define HD_OPTS "media=disk"
1064 #define CDROM_OPTS "media=cdrom"
1066 #define PFLASH_OPTS ""
1070 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1072 BlockInterfaceType
*block_default_type
= opaque
;
1074 return drive_init(opts
, *block_default_type
) == NULL
;
1077 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1079 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1080 qemu_opt_set(opts
, "snapshot", "on");
1085 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1086 int index
, const char *optstr
)
1090 if (!enable
|| drive_get_by_index(type
, index
)) {
1094 opts
= drive_add(type
, index
, NULL
, optstr
);
1096 drive_enable_snapshot(opts
, NULL
);
1098 if (!drive_init(opts
, type
)) {
1103 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1105 boot_set_handler
= func
;
1106 boot_set_opaque
= opaque
;
1109 int qemu_boot_set(const char *boot_order
)
1111 if (!boot_set_handler
) {
1114 return boot_set_handler(boot_set_opaque
, boot_order
);
1117 static void validate_bootdevices(const char *devices
)
1119 /* We just do some generic consistency checks */
1123 for (p
= devices
; *p
!= '\0'; p
++) {
1124 /* Allowed boot devices are:
1125 * a-b: floppy disk drives
1126 * c-f: IDE disk drives
1127 * g-m: machine implementation dependent drives
1128 * n-p: network devices
1129 * It's up to each machine implementation to check if the given boot
1130 * devices match the actual hardware implementation and firmware
1133 if (*p
< 'a' || *p
> 'p') {
1134 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1137 if (bitmap
& (1 << (*p
- 'a'))) {
1138 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1141 bitmap
|= 1 << (*p
- 'a');
1145 static void restore_boot_order(void *opaque
)
1147 char *normal_boot_order
= opaque
;
1148 static int first
= 1;
1150 /* Restore boot order and remove ourselves after the first boot */
1156 qemu_boot_set(normal_boot_order
);
1158 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1159 g_free(normal_boot_order
);
1162 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1165 FWBootEntry
*node
, *i
;
1167 if (bootindex
< 0) {
1171 assert(dev
!= NULL
|| suffix
!= NULL
);
1173 node
= g_malloc0(sizeof(FWBootEntry
));
1174 node
->bootindex
= bootindex
;
1175 node
->suffix
= g_strdup(suffix
);
1178 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1179 if (i
->bootindex
== bootindex
) {
1180 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1182 } else if (i
->bootindex
< bootindex
) {
1185 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1188 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1191 DeviceState
*get_boot_device(uint32_t position
)
1193 uint32_t counter
= 0;
1194 FWBootEntry
*i
= NULL
;
1195 DeviceState
*res
= NULL
;
1197 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1198 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1199 if (counter
== position
) {
1210 * This function returns null terminated string that consist of new line
1211 * separated device paths.
1213 * memory pointed by "size" is assigned total length of the array in bytes
1216 char *get_boot_devices_list(size_t *size
)
1222 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1223 char *devpath
= NULL
, *bootpath
;
1227 devpath
= qdev_get_fw_dev_path(i
->dev
);
1231 if (i
->suffix
&& devpath
) {
1232 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1234 bootpath
= g_malloc(bootpathlen
);
1235 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1237 } else if (devpath
) {
1241 bootpath
= g_strdup(i
->suffix
);
1245 list
[total
-1] = '\n';
1247 len
= strlen(bootpath
) + 1;
1248 list
= g_realloc(list
, total
+ len
);
1249 memcpy(&list
[total
], bootpath
, len
);
1256 if (boot_strict
&& *size
> 0) {
1257 list
[total
-1] = '\n';
1258 list
= g_realloc(list
, total
+ 5);
1259 memcpy(&list
[total
], "HALT", 5);
1265 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1268 unsigned long long value
, endvalue
;
1270 /* Empty CPU range strings will be considered valid, they will simply
1271 * not set any bit in the CPU bitmap.
1277 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1280 if (*endptr
== '-') {
1281 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1284 } else if (*endptr
== '\0') {
1290 if (endvalue
>= MAX_CPUMASK_BITS
) {
1291 endvalue
= MAX_CPUMASK_BITS
- 1;
1293 "qemu: NUMA: A max of %d VCPUs are supported\n",
1297 if (endvalue
< value
) {
1301 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1305 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1309 static void numa_add(const char *optarg
)
1313 unsigned long long nodenr
;
1315 optarg
= get_opt_name(option
, 128, optarg
, ',');
1316 if (*optarg
== ',') {
1319 if (!strcmp(option
, "node")) {
1321 if (nb_numa_nodes
>= MAX_NODES
) {
1322 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1326 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1327 nodenr
= nb_numa_nodes
;
1329 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1330 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1335 if (nodenr
>= MAX_NODES
) {
1336 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1340 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1341 node_mem
[nodenr
] = 0;
1344 sval
= strtosz(option
, &endptr
);
1345 if (sval
< 0 || *endptr
) {
1346 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1349 node_mem
[nodenr
] = sval
;
1351 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1352 numa_node_parse_cpus(nodenr
, option
);
1356 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1361 static QemuOptsList qemu_smp_opts
= {
1363 .implied_opt_name
= "cpus",
1364 .merge_lists
= true,
1365 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1369 .type
= QEMU_OPT_NUMBER
,
1372 .type
= QEMU_OPT_NUMBER
,
1375 .type
= QEMU_OPT_NUMBER
,
1378 .type
= QEMU_OPT_NUMBER
,
1381 .type
= QEMU_OPT_NUMBER
,
1383 { /*End of list */ }
1387 static void smp_parse(QemuOpts
*opts
)
1391 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1392 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1393 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1394 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1396 /* compute missing values, prefer sockets over cores over threads */
1397 if (cpus
== 0 || sockets
== 0) {
1398 sockets
= sockets
> 0 ? sockets
: 1;
1399 cores
= cores
> 0 ? cores
: 1;
1400 threads
= threads
> 0 ? threads
: 1;
1402 cpus
= cores
* threads
* sockets
;
1406 threads
= threads
> 0 ? threads
: 1;
1407 cores
= cpus
/ (sockets
* threads
);
1409 threads
= cpus
/ (cores
* sockets
);
1413 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1416 smp_cores
= cores
> 0 ? cores
: 1;
1417 smp_threads
= threads
> 0 ? threads
: 1;
1421 if (max_cpus
== 0) {
1422 max_cpus
= smp_cpus
;
1425 if (max_cpus
> 255) {
1426 fprintf(stderr
, "Unsupported number of maxcpus\n");
1429 if (max_cpus
< smp_cpus
) {
1430 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1436 static void configure_realtime(QemuOpts
*opts
)
1440 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1443 if (os_mlock() < 0) {
1444 fprintf(stderr
, "qemu: locking memory failed\n");
1451 static void configure_msg(QemuOpts
*opts
)
1453 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1456 /***********************************************************/
1459 static int usb_device_add(const char *devname
)
1461 USBDevice
*dev
= NULL
;
1462 #ifndef CONFIG_LINUX
1466 if (!usb_enabled(false)) {
1470 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1471 dev
= usbdevice_create(devname
);
1475 /* the other ones */
1476 #ifndef CONFIG_LINUX
1477 /* only the linux version is qdev-ified, usb-bsd still needs this */
1478 if (strstart(devname
, "host:", &p
)) {
1479 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1489 static int usb_device_del(const char *devname
)
1494 if (strstart(devname
, "host:", &p
)) {
1498 if (!usb_enabled(false)) {
1502 p
= strchr(devname
, '.');
1505 bus_num
= strtoul(devname
, NULL
, 0);
1506 addr
= strtoul(p
+ 1, NULL
, 0);
1508 return usb_device_delete_addr(bus_num
, addr
);
1511 static int usb_parse(const char *cmdline
)
1514 r
= usb_device_add(cmdline
);
1516 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1521 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1523 const char *devname
= qdict_get_str(qdict
, "devname");
1524 if (usb_device_add(devname
) < 0) {
1525 error_report("could not add USB device '%s'", devname
);
1529 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1531 const char *devname
= qdict_get_str(qdict
, "devname");
1532 if (usb_device_del(devname
) < 0) {
1533 error_report("could not delete USB device '%s'", devname
);
1537 /***********************************************************/
1538 /* PCMCIA/Cardbus */
1540 static struct pcmcia_socket_entry_s
{
1541 PCMCIASocket
*socket
;
1542 struct pcmcia_socket_entry_s
*next
;
1543 } *pcmcia_sockets
= 0;
1545 void pcmcia_socket_register(PCMCIASocket
*socket
)
1547 struct pcmcia_socket_entry_s
*entry
;
1549 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1550 entry
->socket
= socket
;
1551 entry
->next
= pcmcia_sockets
;
1552 pcmcia_sockets
= entry
;
1555 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1557 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1559 ptr
= &pcmcia_sockets
;
1560 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1561 if (entry
->socket
== socket
) {
1567 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1569 struct pcmcia_socket_entry_s
*iter
;
1571 if (!pcmcia_sockets
)
1572 monitor_printf(mon
, "No PCMCIA sockets\n");
1574 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1575 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1576 iter
->socket
->attached
? iter
->socket
->card_string
:
1580 /***********************************************************/
1581 /* machine registration */
1583 static QEMUMachine
*first_machine
= NULL
;
1584 QEMUMachine
*current_machine
= NULL
;
1586 int qemu_register_machine(QEMUMachine
*m
)
1589 pm
= &first_machine
;
1597 static QEMUMachine
*find_machine(const char *name
)
1601 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1602 if (!strcmp(m
->name
, name
))
1604 if (m
->alias
&& !strcmp(m
->alias
, name
))
1610 QEMUMachine
*find_default_machine(void)
1614 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1615 if (m
->is_default
) {
1622 MachineInfoList
*qmp_query_machines(Error
**errp
)
1624 MachineInfoList
*mach_list
= NULL
;
1627 for (m
= first_machine
; m
; m
= m
->next
) {
1628 MachineInfoList
*entry
;
1631 info
= g_malloc0(sizeof(*info
));
1632 if (m
->is_default
) {
1633 info
->has_is_default
= true;
1634 info
->is_default
= true;
1638 info
->has_alias
= true;
1639 info
->alias
= g_strdup(m
->alias
);
1642 info
->name
= g_strdup(m
->name
);
1643 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1645 entry
= g_malloc0(sizeof(*entry
));
1646 entry
->value
= info
;
1647 entry
->next
= mach_list
;
1654 /***********************************************************/
1655 /* main execution loop */
1657 struct vm_change_state_entry
{
1658 VMChangeStateHandler
*cb
;
1660 QLIST_ENTRY (vm_change_state_entry
) entries
;
1663 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1665 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1668 VMChangeStateEntry
*e
;
1670 e
= g_malloc0(sizeof (*e
));
1674 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1678 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1680 QLIST_REMOVE (e
, entries
);
1684 void vm_state_notify(int running
, RunState state
)
1686 VMChangeStateEntry
*e
;
1688 trace_vm_state_notify(running
, state
);
1690 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1691 e
->cb(e
->opaque
, running
, state
);
1697 if (!runstate_is_running()) {
1699 runstate_set(RUN_STATE_RUNNING
);
1700 vm_state_notify(1, RUN_STATE_RUNNING
);
1702 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1706 /* reset/shutdown handler */
1708 typedef struct QEMUResetEntry
{
1709 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1710 QEMUResetHandler
*func
;
1714 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1715 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1716 static int reset_requested
;
1717 static int shutdown_requested
, shutdown_signal
= -1;
1718 static pid_t shutdown_pid
;
1719 static int powerdown_requested
;
1720 static int debug_requested
;
1721 static int suspend_requested
;
1722 static WakeupReason wakeup_reason
;
1723 static NotifierList powerdown_notifiers
=
1724 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1725 static NotifierList suspend_notifiers
=
1726 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1727 static NotifierList wakeup_notifiers
=
1728 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1729 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1730 static RunState vmstop_requested
= RUN_STATE_MAX
;
1732 int qemu_shutdown_requested_get(void)
1734 return shutdown_requested
;
1737 int qemu_reset_requested_get(void)
1739 return reset_requested
;
1742 static int qemu_shutdown_requested(void)
1744 int r
= shutdown_requested
;
1745 shutdown_requested
= 0;
1749 static void qemu_kill_report(void)
1751 if (!qtest_enabled() && shutdown_signal
!= -1) {
1752 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1753 if (shutdown_pid
== 0) {
1754 /* This happens for eg ^C at the terminal, so it's worth
1755 * avoiding printing an odd message in that case.
1757 fputc('\n', stderr
);
1759 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1761 shutdown_signal
= -1;
1765 static int qemu_reset_requested(void)
1767 int r
= reset_requested
;
1768 reset_requested
= 0;
1772 static int qemu_suspend_requested(void)
1774 int r
= suspend_requested
;
1775 suspend_requested
= 0;
1779 static WakeupReason
qemu_wakeup_requested(void)
1781 return wakeup_reason
;
1784 static int qemu_powerdown_requested(void)
1786 int r
= powerdown_requested
;
1787 powerdown_requested
= 0;
1791 static int qemu_debug_requested(void)
1793 int r
= debug_requested
;
1794 debug_requested
= 0;
1798 /* We use RUN_STATE_MAX but any invalid value will do */
1799 static bool qemu_vmstop_requested(RunState
*r
)
1801 if (vmstop_requested
< RUN_STATE_MAX
) {
1802 *r
= vmstop_requested
;
1803 vmstop_requested
= RUN_STATE_MAX
;
1810 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1812 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1815 re
->opaque
= opaque
;
1816 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1819 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1823 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1824 if (re
->func
== func
&& re
->opaque
== opaque
) {
1825 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1832 void qemu_devices_reset(void)
1834 QEMUResetEntry
*re
, *nre
;
1836 /* reset all devices */
1837 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1838 re
->func(re
->opaque
);
1842 void qemu_system_reset(bool report
)
1844 if (current_machine
&& current_machine
->reset
) {
1845 current_machine
->reset();
1847 qemu_devices_reset();
1850 monitor_protocol_event(QEVENT_RESET
, NULL
);
1852 cpu_synchronize_all_post_reset();
1855 void qemu_system_reset_request(void)
1858 shutdown_requested
= 1;
1860 reset_requested
= 1;
1863 qemu_notify_event();
1866 static void qemu_system_suspend(void)
1869 notifier_list_notify(&suspend_notifiers
, NULL
);
1870 runstate_set(RUN_STATE_SUSPENDED
);
1871 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1874 void qemu_system_suspend_request(void)
1876 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1879 suspend_requested
= 1;
1881 qemu_notify_event();
1884 void qemu_register_suspend_notifier(Notifier
*notifier
)
1886 notifier_list_add(&suspend_notifiers
, notifier
);
1889 void qemu_system_wakeup_request(WakeupReason reason
)
1891 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1894 if (!(wakeup_reason_mask
& (1 << reason
))) {
1897 runstate_set(RUN_STATE_RUNNING
);
1898 wakeup_reason
= reason
;
1899 qemu_notify_event();
1902 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1905 wakeup_reason_mask
|= (1 << reason
);
1907 wakeup_reason_mask
&= ~(1 << reason
);
1911 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1913 notifier_list_add(&wakeup_notifiers
, notifier
);
1916 void qemu_system_killed(int signal
, pid_t pid
)
1918 shutdown_signal
= signal
;
1921 qemu_system_shutdown_request();
1924 void qemu_system_shutdown_request(void)
1926 shutdown_requested
= 1;
1927 qemu_notify_event();
1930 static void qemu_system_powerdown(void)
1932 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1933 notifier_list_notify(&powerdown_notifiers
, NULL
);
1936 void qemu_system_powerdown_request(void)
1938 powerdown_requested
= 1;
1939 qemu_notify_event();
1942 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1944 notifier_list_add(&powerdown_notifiers
, notifier
);
1947 void qemu_system_debug_request(void)
1949 debug_requested
= 1;
1950 qemu_notify_event();
1953 void qemu_system_vmstop_request(RunState state
)
1955 vmstop_requested
= state
;
1956 qemu_notify_event();
1959 static bool main_loop_should_exit(void)
1962 if (qemu_debug_requested()) {
1963 vm_stop(RUN_STATE_DEBUG
);
1965 if (qemu_suspend_requested()) {
1966 qemu_system_suspend();
1968 if (qemu_shutdown_requested()) {
1970 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1972 vm_stop(RUN_STATE_SHUTDOWN
);
1977 if (qemu_reset_requested()) {
1979 cpu_synchronize_all_states();
1980 qemu_system_reset(VMRESET_REPORT
);
1982 if (runstate_needs_reset()) {
1983 runstate_set(RUN_STATE_PAUSED
);
1986 if (qemu_wakeup_requested()) {
1988 cpu_synchronize_all_states();
1989 qemu_system_reset(VMRESET_SILENT
);
1990 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1991 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1993 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1995 if (qemu_powerdown_requested()) {
1996 qemu_system_powerdown();
1998 if (qemu_vmstop_requested(&r
)) {
2004 static void main_loop(void)
2008 #ifdef CONFIG_PROFILER
2012 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2013 #ifdef CONFIG_PROFILER
2014 ti
= profile_getclock();
2016 last_io
= main_loop_wait(nonblocking
);
2017 #ifdef CONFIG_PROFILER
2018 dev_time
+= profile_getclock() - ti
;
2020 } while (!main_loop_should_exit());
2023 static void version(void)
2025 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2028 static void help(int exitcode
)
2031 printf("usage: %s [options] [disk_image]\n\n"
2032 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2033 error_get_progname());
2035 #define QEMU_OPTIONS_GENERATE_HELP
2036 #include "qemu-options-wrapper.h"
2038 printf("\nDuring emulation, the following keys are useful:\n"
2039 "ctrl-alt-f toggle full screen\n"
2040 "ctrl-alt-n switch to virtual console 'n'\n"
2041 "ctrl-alt toggle mouse and keyboard grab\n"
2043 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2048 #define HAS_ARG 0x0001
2050 typedef struct QEMUOption
{
2057 static const QEMUOption qemu_options
[] = {
2058 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2059 #define QEMU_OPTIONS_GENERATE_OPTIONS
2060 #include "qemu-options-wrapper.h"
2064 static bool vga_available(void)
2066 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2069 static bool cirrus_vga_available(void)
2071 return object_class_by_name("cirrus-vga")
2072 || object_class_by_name("isa-cirrus-vga");
2075 static bool vmware_vga_available(void)
2077 return object_class_by_name("vmware-svga");
2080 static bool qxl_vga_available(void)
2082 return object_class_by_name("qxl-vga");
2085 static void select_vgahw (const char *p
)
2089 vga_interface_type
= VGA_NONE
;
2090 if (strstart(p
, "std", &opts
)) {
2091 if (vga_available()) {
2092 vga_interface_type
= VGA_STD
;
2094 fprintf(stderr
, "Error: standard VGA not available\n");
2097 } else if (strstart(p
, "cirrus", &opts
)) {
2098 if (cirrus_vga_available()) {
2099 vga_interface_type
= VGA_CIRRUS
;
2101 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2104 } else if (strstart(p
, "vmware", &opts
)) {
2105 if (vmware_vga_available()) {
2106 vga_interface_type
= VGA_VMWARE
;
2108 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2111 } else if (strstart(p
, "xenfb", &opts
)) {
2112 vga_interface_type
= VGA_XENFB
;
2113 } else if (strstart(p
, "qxl", &opts
)) {
2114 if (qxl_vga_available()) {
2115 vga_interface_type
= VGA_QXL
;
2117 fprintf(stderr
, "Error: QXL VGA not available\n");
2120 } else if (!strstart(p
, "none", &opts
)) {
2122 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2126 const char *nextopt
;
2128 if (strstart(opts
, ",retrace=", &nextopt
)) {
2130 if (strstart(opts
, "dumb", &nextopt
))
2131 vga_retrace_method
= VGA_RETRACE_DUMB
;
2132 else if (strstart(opts
, "precise", &nextopt
))
2133 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2134 else goto invalid_vga
;
2135 } else goto invalid_vga
;
2140 static DisplayType
select_display(const char *p
)
2143 DisplayType display
= DT_DEFAULT
;
2145 if (strstart(p
, "sdl", &opts
)) {
2149 const char *nextopt
;
2151 if (strstart(opts
, ",frame=", &nextopt
)) {
2153 if (strstart(opts
, "on", &nextopt
)) {
2155 } else if (strstart(opts
, "off", &nextopt
)) {
2158 goto invalid_sdl_args
;
2160 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2162 if (strstart(opts
, "on", &nextopt
)) {
2164 } else if (strstart(opts
, "off", &nextopt
)) {
2167 goto invalid_sdl_args
;
2169 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2171 if (strstart(opts
, "on", &nextopt
)) {
2173 } else if (strstart(opts
, "off", &nextopt
)) {
2176 goto invalid_sdl_args
;
2178 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2180 if (strstart(opts
, "on", &nextopt
)) {
2182 } else if (strstart(opts
, "off", &nextopt
)) {
2185 goto invalid_sdl_args
;
2189 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2195 fprintf(stderr
, "SDL support is disabled\n");
2198 } else if (strstart(p
, "vnc", &opts
)) {
2203 const char *nextopt
;
2205 if (strstart(opts
, "=", &nextopt
)) {
2206 vnc_display
= nextopt
;
2210 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2214 fprintf(stderr
, "VNC support is disabled\n");
2217 } else if (strstart(p
, "curses", &opts
)) {
2218 #ifdef CONFIG_CURSES
2219 display
= DT_CURSES
;
2221 fprintf(stderr
, "Curses support is disabled\n");
2224 } else if (strstart(p
, "gtk", &opts
)) {
2228 fprintf(stderr
, "GTK support is disabled\n");
2231 } else if (strstart(p
, "none", &opts
)) {
2234 fprintf(stderr
, "Unknown display type: %s\n", p
);
2241 static int balloon_parse(const char *arg
)
2245 if (strcmp(arg
, "none") == 0) {
2249 if (!strncmp(arg
, "virtio", 6)) {
2250 if (arg
[6] == ',') {
2251 /* have params -> parse them */
2252 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2256 /* create empty opts */
2257 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2259 qemu_opt_set(opts
, "driver", "virtio-balloon");
2266 char *qemu_find_file(int type
, const char *name
)
2272 /* Try the name as a straight path first */
2273 if (access(name
, R_OK
) == 0) {
2274 trace_load_file(name
, name
);
2275 return g_strdup(name
);
2279 case QEMU_FILE_TYPE_BIOS
:
2282 case QEMU_FILE_TYPE_KEYMAP
:
2283 subdir
= "keymaps/";
2289 for (i
= 0; i
< data_dir_idx
; i
++) {
2290 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2291 if (access(buf
, R_OK
) == 0) {
2292 trace_load_file(name
, buf
);
2300 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2302 return qdev_device_help(opts
);
2305 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2309 dev
= qdev_device_add(opts
);
2312 object_unref(OBJECT(dev
));
2316 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2318 Error
*local_err
= NULL
;
2320 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2321 if (error_is_set(&local_err
)) {
2322 error_report("%s", error_get_pretty(local_err
));
2323 error_free(local_err
);
2329 #ifdef CONFIG_VIRTFS
2330 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2333 ret
= qemu_fsdev_add(opts
);
2339 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2341 CharDriverState
*chr
;
2342 const char *chardev
;
2346 mode
= qemu_opt_get(opts
, "mode");
2350 if (strcmp(mode
, "readline") == 0) {
2351 flags
= MONITOR_USE_READLINE
;
2352 } else if (strcmp(mode
, "control") == 0) {
2353 flags
= MONITOR_USE_CONTROL
;
2355 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2359 if (qemu_opt_get_bool(opts
, "pretty", 0))
2360 flags
|= MONITOR_USE_PRETTY
;
2362 if (qemu_opt_get_bool(opts
, "default", 0))
2363 flags
|= MONITOR_IS_DEFAULT
;
2365 chardev
= qemu_opt_get(opts
, "chardev");
2366 chr
= qemu_chr_find(chardev
);
2368 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2372 qemu_chr_fe_claim_no_fail(chr
);
2373 monitor_init(chr
, flags
);
2377 static void monitor_parse(const char *optarg
, const char *mode
)
2379 static int monitor_device_index
= 0;
2385 if (strstart(optarg
, "chardev:", &p
)) {
2386 snprintf(label
, sizeof(label
), "%s", p
);
2388 snprintf(label
, sizeof(label
), "compat_monitor%d",
2389 monitor_device_index
);
2390 if (monitor_device_index
== 0) {
2393 opts
= qemu_chr_parse_compat(label
, optarg
);
2395 fprintf(stderr
, "parse error: %s\n", optarg
);
2400 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2402 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2405 qemu_opt_set(opts
, "mode", mode
);
2406 qemu_opt_set(opts
, "chardev", label
);
2408 qemu_opt_set(opts
, "default", "on");
2409 monitor_device_index
++;
2412 struct device_config
{
2414 DEV_USB
, /* -usbdevice */
2416 DEV_SERIAL
, /* -serial */
2417 DEV_PARALLEL
, /* -parallel */
2418 DEV_VIRTCON
, /* -virtioconsole */
2419 DEV_DEBUGCON
, /* -debugcon */
2420 DEV_GDB
, /* -gdb, -s */
2421 DEV_SCLP
, /* s390 sclp */
2423 const char *cmdline
;
2425 QTAILQ_ENTRY(device_config
) next
;
2428 static QTAILQ_HEAD(, device_config
) device_configs
=
2429 QTAILQ_HEAD_INITIALIZER(device_configs
);
2431 static void add_device_config(int type
, const char *cmdline
)
2433 struct device_config
*conf
;
2435 conf
= g_malloc0(sizeof(*conf
));
2437 conf
->cmdline
= cmdline
;
2438 loc_save(&conf
->loc
);
2439 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2442 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2444 struct device_config
*conf
;
2447 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2448 if (conf
->type
!= type
)
2450 loc_push_restore(&conf
->loc
);
2451 rc
= func(conf
->cmdline
);
2452 loc_pop(&conf
->loc
);
2459 static int serial_parse(const char *devname
)
2461 static int index
= 0;
2464 if (strcmp(devname
, "none") == 0)
2466 if (index
== MAX_SERIAL_PORTS
) {
2467 fprintf(stderr
, "qemu: too many serial ports\n");
2470 snprintf(label
, sizeof(label
), "serial%d", index
);
2471 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2472 if (!serial_hds
[index
]) {
2473 fprintf(stderr
, "qemu: could not connect serial device"
2474 " to character backend '%s'\n", devname
);
2481 static int parallel_parse(const char *devname
)
2483 static int index
= 0;
2486 if (strcmp(devname
, "none") == 0)
2488 if (index
== MAX_PARALLEL_PORTS
) {
2489 fprintf(stderr
, "qemu: too many parallel ports\n");
2492 snprintf(label
, sizeof(label
), "parallel%d", index
);
2493 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2494 if (!parallel_hds
[index
]) {
2495 fprintf(stderr
, "qemu: could not connect parallel device"
2496 " to character backend '%s'\n", devname
);
2503 static int virtcon_parse(const char *devname
)
2505 QemuOptsList
*device
= qemu_find_opts("device");
2506 static int index
= 0;
2508 QemuOpts
*bus_opts
, *dev_opts
;
2510 if (strcmp(devname
, "none") == 0)
2512 if (index
== MAX_VIRTIO_CONSOLES
) {
2513 fprintf(stderr
, "qemu: too many virtio consoles\n");
2517 bus_opts
= qemu_opts_create_nofail(device
);
2518 if (arch_type
== QEMU_ARCH_S390X
) {
2519 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2521 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2524 dev_opts
= qemu_opts_create_nofail(device
);
2525 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2527 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2528 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2529 if (!virtcon_hds
[index
]) {
2530 fprintf(stderr
, "qemu: could not connect virtio console"
2531 " to character backend '%s'\n", devname
);
2534 qemu_opt_set(dev_opts
, "chardev", label
);
2540 static int sclp_parse(const char *devname
)
2542 QemuOptsList
*device
= qemu_find_opts("device");
2543 static int index
= 0;
2547 if (strcmp(devname
, "none") == 0) {
2550 if (index
== MAX_SCLP_CONSOLES
) {
2551 fprintf(stderr
, "qemu: too many sclp consoles\n");
2555 assert(arch_type
== QEMU_ARCH_S390X
);
2557 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2558 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2560 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2561 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2562 if (!sclp_hds
[index
]) {
2563 fprintf(stderr
, "qemu: could not connect sclp console"
2564 " to character backend '%s'\n", devname
);
2567 qemu_opt_set(dev_opts
, "chardev", label
);
2573 static int debugcon_parse(const char *devname
)
2577 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2580 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2582 fprintf(stderr
, "qemu: already have a debugcon device\n");
2585 qemu_opt_set(opts
, "driver", "isa-debugcon");
2586 qemu_opt_set(opts
, "chardev", "debugcon");
2590 static QEMUMachine
*machine_parse(const char *name
)
2592 QEMUMachine
*m
, *machine
= NULL
;
2595 machine
= find_machine(name
);
2600 printf("Supported machines are:\n");
2601 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2603 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2605 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2606 m
->is_default
? " (default)" : "");
2608 exit(!name
|| !is_help_option(name
));
2611 static int tcg_init(void)
2613 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2618 const char *opt_name
;
2620 int (*available
)(void);
2624 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2625 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2626 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2627 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2630 static int configure_accelerator(void)
2635 bool accel_initialised
= false;
2636 bool init_failed
= false;
2638 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2640 /* Use the default "accelerator", tcg */
2644 while (!accel_initialised
&& *p
!= '\0') {
2648 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2649 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2650 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2651 if (!accel_list
[i
].available()) {
2652 printf("%s not supported for this target\n",
2653 accel_list
[i
].name
);
2656 *(accel_list
[i
].allowed
) = true;
2657 ret
= accel_list
[i
].init();
2660 fprintf(stderr
, "failed to initialize %s: %s\n",
2663 *(accel_list
[i
].allowed
) = false;
2665 accel_initialised
= true;
2670 if (i
== ARRAY_SIZE(accel_list
)) {
2671 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2675 if (!accel_initialised
) {
2677 fprintf(stderr
, "No accelerator found!\n");
2683 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2686 return !accel_initialised
;
2689 void qemu_add_exit_notifier(Notifier
*notify
)
2691 notifier_list_add(&exit_notifiers
, notify
);
2694 void qemu_remove_exit_notifier(Notifier
*notify
)
2696 notifier_remove(notify
);
2699 static void qemu_run_exit_notifiers(void)
2701 notifier_list_notify(&exit_notifiers
, NULL
);
2704 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2706 notifier_list_add(&machine_init_done_notifiers
, notify
);
2709 static void qemu_run_machine_init_done_notifiers(void)
2711 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2714 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2715 const char **poptarg
, int *poptind
)
2717 const QEMUOption
*popt
;
2718 int optind
= *poptind
;
2719 char *r
= argv
[optind
];
2722 loc_set_cmdline(argv
, optind
, 1);
2724 /* Treat --foo the same as -foo. */
2727 popt
= qemu_options
;
2730 error_report("invalid option");
2733 if (!strcmp(popt
->name
, r
+ 1))
2737 if (popt
->flags
& HAS_ARG
) {
2738 if (optind
>= argc
) {
2739 error_report("requires an argument");
2742 optarg
= argv
[optind
++];
2743 loc_set_cmdline(argv
, optind
- 2, 2);
2754 static gpointer
malloc_and_trace(gsize n_bytes
)
2756 void *ptr
= malloc(n_bytes
);
2757 trace_g_malloc(n_bytes
, ptr
);
2761 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2763 void *ptr
= realloc(mem
, n_bytes
);
2764 trace_g_realloc(mem
, n_bytes
, ptr
);
2768 static void free_and_trace(gpointer mem
)
2774 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2776 Object
*obj
= OBJECT(opaque
);
2777 StringInputVisitor
*siv
;
2778 Error
*local_err
= NULL
;
2780 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2784 siv
= string_input_visitor_new(value
);
2785 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2786 string_input_visitor_cleanup(siv
);
2789 qerror_report_err(local_err
);
2790 error_free(local_err
);
2797 static int object_create(QemuOpts
*opts
, void *opaque
)
2799 const char *type
= qemu_opt_get(opts
, "qom-type");
2800 const char *id
= qemu_opts_id(opts
);
2803 g_assert(type
!= NULL
);
2806 qerror_report(QERR_MISSING_PARAMETER
, "id");
2810 obj
= object_new(type
);
2811 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2815 object_property_add_child(container_get(object_get_root(), "/objects"),
2821 int main(int argc
, char **argv
, char **envp
)
2824 int snapshot
, linux_boot
;
2825 const char *icount_option
= NULL
;
2826 const char *initrd_filename
;
2827 const char *kernel_filename
, *kernel_cmdline
;
2828 const char *boot_order
;
2830 int cyls
, heads
, secs
, translation
;
2831 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2832 QemuOptsList
*olist
;
2835 const char *loadvm
= NULL
;
2836 QEMUMachine
*machine
;
2837 const char *cpu_model
;
2838 const char *vga_model
= "none";
2839 const char *pid_file
= NULL
;
2840 const char *incoming
= NULL
;
2842 int show_vnc_port
= 0;
2844 bool defconfig
= true;
2845 bool userconfig
= true;
2846 const char *log_mask
= NULL
;
2847 const char *log_file
= NULL
;
2848 GMemVTable mem_trace
= {
2849 .malloc
= malloc_and_trace
,
2850 .realloc
= realloc_and_trace
,
2851 .free
= free_and_trace
,
2853 const char *trace_events
= NULL
;
2854 const char *trace_file
= NULL
;
2856 atexit(qemu_run_exit_notifiers
);
2857 error_set_progname(argv
[0]);
2859 g_mem_set_vtable(&mem_trace
);
2860 if (!g_thread_supported()) {
2861 #if !GLIB_CHECK_VERSION(2, 31, 0)
2862 g_thread_init(NULL
);
2864 fprintf(stderr
, "glib threading failed to initialize.\n");
2869 module_call_init(MODULE_INIT_QOM
);
2871 qemu_add_opts(&qemu_drive_opts
);
2872 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2873 qemu_add_drive_opts(&qemu_common_drive_opts
);
2874 qemu_add_drive_opts(&qemu_drive_opts
);
2875 qemu_add_opts(&qemu_chardev_opts
);
2876 qemu_add_opts(&qemu_device_opts
);
2877 qemu_add_opts(&qemu_netdev_opts
);
2878 qemu_add_opts(&qemu_net_opts
);
2879 qemu_add_opts(&qemu_rtc_opts
);
2880 qemu_add_opts(&qemu_global_opts
);
2881 qemu_add_opts(&qemu_mon_opts
);
2882 qemu_add_opts(&qemu_trace_opts
);
2883 qemu_add_opts(&qemu_option_rom_opts
);
2884 qemu_add_opts(&qemu_machine_opts
);
2885 qemu_add_opts(&qemu_smp_opts
);
2886 qemu_add_opts(&qemu_boot_opts
);
2887 qemu_add_opts(&qemu_sandbox_opts
);
2888 qemu_add_opts(&qemu_add_fd_opts
);
2889 qemu_add_opts(&qemu_object_opts
);
2890 qemu_add_opts(&qemu_tpmdev_opts
);
2891 qemu_add_opts(&qemu_realtime_opts
);
2892 qemu_add_opts(&qemu_msg_opts
);
2897 rtc_clock
= QEMU_CLOCK_HOST
;
2899 qemu_init_auxval(envp
);
2900 qemu_cache_utils_init();
2902 QLIST_INIT (&vm_change_state_head
);
2903 os_setup_early_signal_handling();
2905 module_call_init(MODULE_INIT_MACHINE
);
2906 machine
= find_default_machine();
2910 cyls
= heads
= secs
= 0;
2911 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2913 for (i
= 0; i
< MAX_NODES
; i
++) {
2915 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2921 bdrv_init_with_whitelist();
2925 /* first pass of option parsing */
2927 while (optind
< argc
) {
2928 if (argv
[optind
][0] != '-') {
2933 const QEMUOption
*popt
;
2935 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2936 switch (popt
->index
) {
2937 case QEMU_OPTION_nodefconfig
:
2940 case QEMU_OPTION_nouserconfig
:
2949 ret
= qemu_read_default_config_files(userconfig
);
2955 /* second pass of option parsing */
2960 if (argv
[optind
][0] != '-') {
2961 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2963 const QEMUOption
*popt
;
2965 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2966 if (!(popt
->arch_mask
& arch_type
)) {
2967 printf("Option %s not supported for this target\n", popt
->name
);
2970 switch(popt
->index
) {
2972 machine
= machine_parse(optarg
);
2974 case QEMU_OPTION_no_kvm_irqchip
: {
2975 olist
= qemu_find_opts("machine");
2976 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2979 case QEMU_OPTION_cpu
:
2980 /* hw initialization will check this */
2983 case QEMU_OPTION_hda
:
2987 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2989 snprintf(buf
, sizeof(buf
),
2990 "%s,cyls=%d,heads=%d,secs=%d%s",
2991 HD_OPTS
, cyls
, heads
, secs
,
2992 translation
== BIOS_ATA_TRANSLATION_LBA
?
2994 translation
== BIOS_ATA_TRANSLATION_NONE
?
2995 ",trans=none" : "");
2996 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2999 case QEMU_OPTION_hdb
:
3000 case QEMU_OPTION_hdc
:
3001 case QEMU_OPTION_hdd
:
3002 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3005 case QEMU_OPTION_drive
:
3006 if (drive_def(optarg
) == NULL
) {
3010 case QEMU_OPTION_set
:
3011 if (qemu_set_option(optarg
) != 0)
3014 case QEMU_OPTION_global
:
3015 if (qemu_global_option(optarg
) != 0)
3018 case QEMU_OPTION_mtdblock
:
3019 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3021 case QEMU_OPTION_sd
:
3022 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3024 case QEMU_OPTION_pflash
:
3025 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3027 case QEMU_OPTION_snapshot
:
3030 case QEMU_OPTION_hdachs
:
3034 cyls
= strtol(p
, (char **)&p
, 0);
3035 if (cyls
< 1 || cyls
> 16383)
3040 heads
= strtol(p
, (char **)&p
, 0);
3041 if (heads
< 1 || heads
> 16)
3046 secs
= strtol(p
, (char **)&p
, 0);
3047 if (secs
< 1 || secs
> 63)
3051 if (!strcmp(p
, "none"))
3052 translation
= BIOS_ATA_TRANSLATION_NONE
;
3053 else if (!strcmp(p
, "lba"))
3054 translation
= BIOS_ATA_TRANSLATION_LBA
;
3055 else if (!strcmp(p
, "auto"))
3056 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3059 } else if (*p
!= '\0') {
3061 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3064 if (hda_opts
!= NULL
) {
3066 snprintf(num
, sizeof(num
), "%d", cyls
);
3067 qemu_opt_set(hda_opts
, "cyls", num
);
3068 snprintf(num
, sizeof(num
), "%d", heads
);
3069 qemu_opt_set(hda_opts
, "heads", num
);
3070 snprintf(num
, sizeof(num
), "%d", secs
);
3071 qemu_opt_set(hda_opts
, "secs", num
);
3072 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3073 qemu_opt_set(hda_opts
, "trans", "lba");
3074 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3075 qemu_opt_set(hda_opts
, "trans", "none");
3079 case QEMU_OPTION_numa
:
3082 case QEMU_OPTION_display
:
3083 display_type
= select_display(optarg
);
3085 case QEMU_OPTION_nographic
:
3086 display_type
= DT_NOGRAPHIC
;
3088 case QEMU_OPTION_curses
:
3089 #ifdef CONFIG_CURSES
3090 display_type
= DT_CURSES
;
3092 fprintf(stderr
, "Curses support is disabled\n");
3096 case QEMU_OPTION_portrait
:
3097 graphic_rotate
= 90;
3099 case QEMU_OPTION_rotate
:
3100 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3101 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3102 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3104 "qemu: only 90, 180, 270 deg rotation is available\n");
3108 case QEMU_OPTION_kernel
:
3109 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3111 case QEMU_OPTION_initrd
:
3112 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3114 case QEMU_OPTION_append
:
3115 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3117 case QEMU_OPTION_dtb
:
3118 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3120 case QEMU_OPTION_cdrom
:
3121 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3123 case QEMU_OPTION_boot
:
3124 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3129 case QEMU_OPTION_fda
:
3130 case QEMU_OPTION_fdb
:
3131 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3134 case QEMU_OPTION_no_fd_bootchk
:
3137 case QEMU_OPTION_netdev
:
3138 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3142 case QEMU_OPTION_net
:
3143 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3147 #ifdef CONFIG_LIBISCSI
3148 case QEMU_OPTION_iscsi
:
3149 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3156 case QEMU_OPTION_tftp
:
3157 legacy_tftp_prefix
= optarg
;
3159 case QEMU_OPTION_bootp
:
3160 legacy_bootp_filename
= optarg
;
3162 case QEMU_OPTION_redir
:
3163 if (net_slirp_redir(optarg
) < 0)
3167 case QEMU_OPTION_bt
:
3168 add_device_config(DEV_BT
, optarg
);
3170 case QEMU_OPTION_audio_help
:
3174 case QEMU_OPTION_soundhw
:
3175 select_soundhw (optarg
);
3180 case QEMU_OPTION_version
:
3184 case QEMU_OPTION_m
: {
3189 value
= strtosz(optarg
, &end
);
3190 if (value
< 0 || *end
) {
3191 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3194 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3196 if (ram_size
!= sz
) {
3197 fprintf(stderr
, "qemu: ram size too large\n");
3203 case QEMU_OPTION_tpmdev
:
3204 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3209 case QEMU_OPTION_mempath
:
3212 case QEMU_OPTION_mem_prealloc
:
3222 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3224 case QEMU_OPTION_gdb
:
3225 add_device_config(DEV_GDB
, optarg
);
3228 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3229 data_dir
[data_dir_idx
++] = optarg
;
3232 case QEMU_OPTION_bios
:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3235 case QEMU_OPTION_singlestep
:
3242 keyboard_layout
= optarg
;
3244 case QEMU_OPTION_localtime
:
3247 case QEMU_OPTION_vga
:
3256 w
= strtol(p
, (char **)&p
, 10);
3259 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3265 h
= strtol(p
, (char **)&p
, 10);
3270 depth
= strtol(p
, (char **)&p
, 10);
3271 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3272 depth
!= 24 && depth
!= 32)
3274 } else if (*p
== '\0') {
3275 depth
= graphic_depth
;
3282 graphic_depth
= depth
;
3285 case QEMU_OPTION_echr
:
3288 term_escape_char
= strtol(optarg
, &r
, 0);
3290 printf("Bad argument to echr\n");
3293 case QEMU_OPTION_monitor
:
3294 default_monitor
= 0;
3295 if (strncmp(optarg
, "none", 4)) {
3296 monitor_parse(optarg
, "readline");
3299 case QEMU_OPTION_qmp
:
3300 monitor_parse(optarg
, "control");
3301 default_monitor
= 0;
3303 case QEMU_OPTION_mon
:
3304 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3308 default_monitor
= 0;
3310 case QEMU_OPTION_chardev
:
3311 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3316 case QEMU_OPTION_fsdev
:
3317 olist
= qemu_find_opts("fsdev");
3319 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3322 opts
= qemu_opts_parse(olist
, optarg
, 1);
3327 case QEMU_OPTION_virtfs
: {
3330 const char *writeout
, *sock_fd
, *socket
;
3332 olist
= qemu_find_opts("virtfs");
3334 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3337 opts
= qemu_opts_parse(olist
, optarg
, 1);
3342 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3343 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3344 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3347 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3348 qemu_opt_get(opts
, "mount_tag"),
3351 fprintf(stderr
, "duplicate fsdev id: %s\n",
3352 qemu_opt_get(opts
, "mount_tag"));
3356 writeout
= qemu_opt_get(opts
, "writeout");
3358 #ifdef CONFIG_SYNC_FILE_RANGE
3359 qemu_opt_set(fsdev
, "writeout", writeout
);
3361 fprintf(stderr
, "writeout=immediate not supported on "
3366 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3367 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3368 qemu_opt_set(fsdev
, "security_model",
3369 qemu_opt_get(opts
, "security_model"));
3370 socket
= qemu_opt_get(opts
, "socket");
3372 qemu_opt_set(fsdev
, "socket", socket
);
3374 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3376 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3379 qemu_opt_set_bool(fsdev
, "readonly",
3380 qemu_opt_get_bool(opts
, "readonly", 0));
3381 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3382 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3383 qemu_opt_set(device
, "fsdev",
3384 qemu_opt_get(opts
, "mount_tag"));
3385 qemu_opt_set(device
, "mount_tag",
3386 qemu_opt_get(opts
, "mount_tag"));
3389 case QEMU_OPTION_virtfs_synth
: {
3393 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3396 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3399 qemu_opt_set(fsdev
, "fsdriver", "synth");
3401 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3402 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3403 qemu_opt_set(device
, "fsdev", "v_synth");
3404 qemu_opt_set(device
, "mount_tag", "v_synth");
3407 case QEMU_OPTION_serial
:
3408 add_device_config(DEV_SERIAL
, optarg
);
3410 if (strncmp(optarg
, "mon:", 4) == 0) {
3411 default_monitor
= 0;
3414 case QEMU_OPTION_watchdog
:
3417 "qemu: only one watchdog option may be given\n");
3422 case QEMU_OPTION_watchdog_action
:
3423 if (select_watchdog_action(optarg
) == -1) {
3424 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3428 case QEMU_OPTION_virtiocon
:
3429 add_device_config(DEV_VIRTCON
, optarg
);
3430 default_virtcon
= 0;
3431 if (strncmp(optarg
, "mon:", 4) == 0) {
3432 default_monitor
= 0;
3435 case QEMU_OPTION_parallel
:
3436 add_device_config(DEV_PARALLEL
, optarg
);
3437 default_parallel
= 0;
3438 if (strncmp(optarg
, "mon:", 4) == 0) {
3439 default_monitor
= 0;
3442 case QEMU_OPTION_debugcon
:
3443 add_device_config(DEV_DEBUGCON
, optarg
);
3445 case QEMU_OPTION_loadvm
:
3448 case QEMU_OPTION_full_screen
:
3451 case QEMU_OPTION_no_frame
:
3454 case QEMU_OPTION_alt_grab
:
3457 case QEMU_OPTION_ctrl_grab
:
3460 case QEMU_OPTION_no_quit
:
3463 case QEMU_OPTION_sdl
:
3465 display_type
= DT_SDL
;
3468 fprintf(stderr
, "SDL support is disabled\n");
3471 case QEMU_OPTION_pidfile
:
3474 case QEMU_OPTION_win2k_hack
:
3475 win2k_install_hack
= 1;
3477 case QEMU_OPTION_rtc_td_hack
: {
3478 static GlobalProperty slew_lost_ticks
[] = {
3480 .driver
= "mc146818rtc",
3481 .property
= "lost_tick_policy",
3484 { /* end of list */ }
3487 qdev_prop_register_global_list(slew_lost_ticks
);
3490 case QEMU_OPTION_acpitable
:
3491 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3492 g_assert(opts
!= NULL
);
3493 do_acpitable_option(opts
);
3495 case QEMU_OPTION_smbios
:
3496 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3497 do_smbios_option(opts
);
3499 case QEMU_OPTION_enable_kvm
:
3500 olist
= qemu_find_opts("machine");
3501 qemu_opts_parse(olist
, "accel=kvm", 0);
3503 case QEMU_OPTION_machine
:
3504 olist
= qemu_find_opts("machine");
3505 opts
= qemu_opts_parse(olist
, optarg
, 1);
3509 optarg
= qemu_opt_get(opts
, "type");
3511 machine
= machine_parse(optarg
);
3514 case QEMU_OPTION_no_kvm
:
3515 olist
= qemu_find_opts("machine");
3516 qemu_opts_parse(olist
, "accel=tcg", 0);
3518 case QEMU_OPTION_no_kvm_pit
: {
3519 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3523 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3524 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3526 .driver
= "kvm-pit",
3527 .property
= "lost_tick_policy",
3530 { /* end of list */ }
3533 fprintf(stderr
, "Warning: option deprecated, use "
3534 "lost_tick_policy property of kvm-pit instead.\n");
3535 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3538 case QEMU_OPTION_usb
:
3539 olist
= qemu_find_opts("machine");
3540 qemu_opts_parse(olist
, "usb=on", 0);
3542 case QEMU_OPTION_usbdevice
:
3543 olist
= qemu_find_opts("machine");
3544 qemu_opts_parse(olist
, "usb=on", 0);
3545 add_device_config(DEV_USB
, optarg
);
3547 case QEMU_OPTION_device
:
3548 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3552 case QEMU_OPTION_smp
:
3553 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3557 case QEMU_OPTION_vnc
:
3560 vnc_display
= optarg
;
3562 fprintf(stderr
, "VNC support is disabled\n");
3566 case QEMU_OPTION_no_acpi
:
3569 case QEMU_OPTION_no_hpet
:
3572 case QEMU_OPTION_balloon
:
3573 if (balloon_parse(optarg
) < 0) {
3574 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3578 case QEMU_OPTION_no_reboot
:
3581 case QEMU_OPTION_no_shutdown
:
3584 case QEMU_OPTION_show_cursor
:
3587 case QEMU_OPTION_uuid
:
3588 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3589 fprintf(stderr
, "Fail to parse UUID string."
3590 " Wrong format.\n");
3593 qemu_uuid_set
= true;
3595 case QEMU_OPTION_option_rom
:
3596 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3597 fprintf(stderr
, "Too many option ROMs\n");
3600 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3604 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3605 option_rom
[nb_option_roms
].bootindex
=
3606 qemu_opt_get_number(opts
, "bootindex", -1);
3607 if (!option_rom
[nb_option_roms
].name
) {
3608 fprintf(stderr
, "Option ROM file is not specified\n");
3613 case QEMU_OPTION_semihosting
:
3614 semihosting_enabled
= 1;
3616 case QEMU_OPTION_tdf
:
3617 fprintf(stderr
, "Warning: user space PIT time drift fix "
3618 "is no longer supported.\n");
3620 case QEMU_OPTION_name
:
3621 qemu_name
= g_strdup(optarg
);
3623 char *p
= strchr(qemu_name
, ',');
3626 if (strncmp(p
, "process=", 8)) {
3627 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3631 os_set_proc_name(p
);
3635 case QEMU_OPTION_prom_env
:
3636 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3637 fprintf(stderr
, "Too many prom variables\n");
3640 prom_envs
[nb_prom_envs
] = optarg
;
3643 case QEMU_OPTION_old_param
:
3646 case QEMU_OPTION_clock
:
3647 /* Clock options no longer exist. Keep this option for
3648 * backward compatibility.
3651 case QEMU_OPTION_startdate
:
3652 configure_rtc_date_offset(optarg
, 1);
3654 case QEMU_OPTION_rtc
:
3655 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3659 configure_rtc(opts
);
3661 case QEMU_OPTION_tb_size
:
3662 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3663 if (tcg_tb_size
< 0) {
3667 case QEMU_OPTION_icount
:
3668 icount_option
= optarg
;
3670 case QEMU_OPTION_incoming
:
3672 runstate_set(RUN_STATE_INMIGRATE
);
3674 case QEMU_OPTION_nodefaults
:
3676 default_parallel
= 0;
3677 default_virtcon
= 0;
3679 default_monitor
= 0;
3686 case QEMU_OPTION_xen_domid
:
3687 if (!(xen_available())) {
3688 printf("Option %s not supported for this target\n", popt
->name
);
3691 xen_domid
= atoi(optarg
);
3693 case QEMU_OPTION_xen_create
:
3694 if (!(xen_available())) {
3695 printf("Option %s not supported for this target\n", popt
->name
);
3698 xen_mode
= XEN_CREATE
;
3700 case QEMU_OPTION_xen_attach
:
3701 if (!(xen_available())) {
3702 printf("Option %s not supported for this target\n", popt
->name
);
3705 xen_mode
= XEN_ATTACH
;
3707 case QEMU_OPTION_trace
:
3709 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3713 trace_events
= qemu_opt_get(opts
, "events");
3714 trace_file
= qemu_opt_get(opts
, "file");
3717 case QEMU_OPTION_readconfig
:
3719 int ret
= qemu_read_config_file(optarg
);
3721 fprintf(stderr
, "read config %s: %s\n", optarg
,
3727 case QEMU_OPTION_spice
:
3728 olist
= qemu_find_opts("spice");
3730 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3733 opts
= qemu_opts_parse(olist
, optarg
, 0);
3739 case QEMU_OPTION_writeconfig
:
3742 if (strcmp(optarg
, "-") == 0) {
3745 fp
= fopen(optarg
, "w");
3747 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3751 qemu_config_write(fp
);
3755 case QEMU_OPTION_qtest
:
3756 qtest_chrdev
= optarg
;
3758 case QEMU_OPTION_qtest_log
:
3761 case QEMU_OPTION_sandbox
:
3762 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3767 case QEMU_OPTION_add_fd
:
3769 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3774 error_report("File descriptor passing is disabled on this "
3779 case QEMU_OPTION_object
:
3780 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3785 case QEMU_OPTION_realtime
:
3786 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3790 configure_realtime(opts
);
3792 case QEMU_OPTION_msg
:
3793 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3797 configure_msg(opts
);
3800 os_parse_cmd_args(popt
->index
, optarg
);
3806 if (qemu_init_main_loop()) {
3807 fprintf(stderr
, "qemu_init_main_loop failed\n");
3811 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3816 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3820 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3825 if (machine
== NULL
) {
3826 fprintf(stderr
, "No machine found.\n");
3830 if (machine
->hw_version
) {
3831 qemu_set_version(machine
->hw_version
);
3834 if (qemu_opts_foreach(qemu_find_opts("object"),
3835 object_create
, NULL
, 0) != 0) {
3839 /* Init CPU def lists, based on config
3840 * - Must be called after all the qemu_read_config_file() calls
3841 * - Must be called before list_cpus()
3842 * - Must be called before machine->init()
3846 if (cpu_model
&& is_help_option(cpu_model
)) {
3847 list_cpus(stdout
, &fprintf
, cpu_model
);
3851 /* Open the logfile at this point, if necessary. We can't open the logfile
3852 * when encountering either of the logging options (-d or -D) because the
3853 * other one may be encountered later on the command line, changing the
3854 * location or level of logging.
3859 qemu_set_log_filename(log_file
);
3862 mask
= qemu_str_to_log_mask(log_mask
);
3864 qemu_print_log_usage(stdout
);
3870 if (!trace_backend_init(trace_events
, trace_file
)) {
3874 /* If no data_dir is specified then try to find it relative to the
3876 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3877 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3878 if (data_dir
[data_dir_idx
] != NULL
) {
3882 /* If all else fails use the install path specified when building. */
3883 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3884 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3887 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3889 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3890 if (smp_cpus
> machine
->max_cpus
) {
3891 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3892 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3898 * Get the default machine options from the machine if it is not already
3899 * specified either by the configuration file or by the command line.
3901 if (machine
->default_machine_opts
) {
3902 qemu_opts_set_defaults(qemu_find_opts("machine"),
3903 machine
->default_machine_opts
, 0);
3906 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3907 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3909 if (machine
->no_serial
) {
3912 if (machine
->no_parallel
) {
3913 default_parallel
= 0;
3915 if (!machine
->use_virtcon
) {
3916 default_virtcon
= 0;
3918 if (!machine
->use_sclp
) {
3921 if (machine
->no_floppy
) {
3924 if (machine
->no_cdrom
) {
3927 if (machine
->no_sdcard
) {
3931 if (is_daemonized()) {
3932 /* According to documentation and historically, -nographic redirects
3933 * serial port, parallel port and monitor to stdio, which does not work
3934 * with -daemonize. We can redirect these to null instead, but since
3935 * -nographic is legacy, let's just error out.
3936 * We disallow -nographic only if all other ports are not redirected
3937 * explicitly, to not break existing legacy setups which uses
3938 * -nographic _and_ redirects all ports explicitly - this is valid
3939 * usage, -nographic is just a no-op in this case.
3941 if (display_type
== DT_NOGRAPHIC
3942 && (default_parallel
|| default_serial
3943 || default_monitor
|| default_virtcon
)) {
3944 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3947 #ifdef CONFIG_CURSES
3948 if (display_type
== DT_CURSES
) {
3949 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3955 if (display_type
== DT_NOGRAPHIC
) {
3956 if (default_parallel
)
3957 add_device_config(DEV_PARALLEL
, "null");
3958 if (default_serial
&& default_monitor
) {
3959 add_device_config(DEV_SERIAL
, "mon:stdio");
3960 } else if (default_virtcon
&& default_monitor
) {
3961 add_device_config(DEV_VIRTCON
, "mon:stdio");
3962 } else if (default_sclp
&& default_monitor
) {
3963 add_device_config(DEV_SCLP
, "mon:stdio");
3966 add_device_config(DEV_SERIAL
, "stdio");
3967 if (default_virtcon
)
3968 add_device_config(DEV_VIRTCON
, "stdio");
3970 add_device_config(DEV_SCLP
, "stdio");
3972 if (default_monitor
)
3973 monitor_parse("stdio", "readline");
3977 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3978 if (default_parallel
)
3979 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3980 if (default_monitor
)
3981 monitor_parse("vc:80Cx24C", "readline");
3982 if (default_virtcon
)
3983 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3985 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3989 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3990 #if defined(CONFIG_GTK)
3991 display_type
= DT_GTK
;
3992 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3993 display_type
= DT_SDL
;
3994 #elif defined(CONFIG_VNC)
3995 vnc_display
= "localhost:0,to=99";
3998 display_type
= DT_NONE
;
4002 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4003 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4004 "for SDL, ignoring option\n");
4006 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4007 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4008 "ignoring option\n");
4011 #if defined(CONFIG_GTK)
4012 if (display_type
== DT_GTK
) {
4013 early_gtk_display_init();
4019 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4021 #ifdef CONFIG_VIRTFS
4022 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4029 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4034 /* init the memory */
4035 if (ram_size
== 0) {
4036 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4039 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4044 configure_accelerator();
4046 if (!qtest_enabled() && qtest_chrdev
) {
4050 machine_opts
= qemu_get_machine_opts();
4051 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4052 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4053 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4054 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4056 boot_order
= machine
->default_boot_order
;
4057 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4059 char *normal_boot_order
;
4060 const char *order
, *once
;
4062 order
= qemu_opt_get(opts
, "order");
4064 validate_bootdevices(order
);
4068 once
= qemu_opt_get(opts
, "once");
4070 validate_bootdevices(once
);
4071 normal_boot_order
= g_strdup(boot_order
);
4073 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4076 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4079 if (!kernel_cmdline
) {
4080 kernel_cmdline
= "";
4083 linux_boot
= (kernel_filename
!= NULL
);
4085 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4086 fprintf(stderr
, "-append only allowed with -kernel option\n");
4090 if (!linux_boot
&& initrd_filename
!= NULL
) {
4091 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4095 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4096 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4100 os_set_line_buffering();
4102 qemu_init_cpu_loop();
4103 qemu_mutex_lock_iothread();
4106 /* spice needs the timers to be initialized by this point */
4110 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4111 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4114 configure_icount(icount_option
);
4116 /* clean up network at qemu process termination */
4117 atexit(&net_cleanup
);
4119 if (net_init_clients() < 0) {
4124 if (tpm_init() < 0) {
4129 /* init the bluetooth world */
4130 if (foreach_device_config(DEV_BT
, bt_parse
))
4133 if (!xen_enabled()) {
4134 /* On 32-bit hosts, QEMU is limited by virtual address space */
4135 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4136 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4141 cpu_exec_init_all();
4145 /* open the virtual block devices */
4147 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4148 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4149 &machine
->block_default_type
, 1) != 0) {
4153 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4155 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4156 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4158 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4160 if (nb_numa_nodes
> 0) {
4163 if (nb_numa_nodes
> MAX_NODES
) {
4164 nb_numa_nodes
= MAX_NODES
;
4167 /* If no memory size if given for any node, assume the default case
4168 * and distribute the available memory equally across all nodes
4170 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4171 if (node_mem
[i
] != 0)
4174 if (i
== nb_numa_nodes
) {
4175 uint64_t usedmem
= 0;
4177 /* On Linux, the each node's border has to be 8MB aligned,
4178 * the final node gets the rest.
4180 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4181 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4182 usedmem
+= node_mem
[i
];
4184 node_mem
[i
] = ram_size
- usedmem
;
4187 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4188 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4192 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4193 * must cope with this anyway, because there are BIOSes out there in
4194 * real machines which also use this scheme.
4196 if (i
== nb_numa_nodes
) {
4197 for (i
= 0; i
< max_cpus
; i
++) {
4198 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4203 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4207 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4209 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4211 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4213 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4216 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4219 /* If no default VGA is requested, the default is "none". */
4221 if (cirrus_vga_available()) {
4222 vga_model
= "cirrus";
4223 } else if (vga_available()) {
4227 select_vgahw(vga_model
);
4230 i
= select_watchdog(watchdog
);
4232 exit (i
== 1 ? 1 : 0);
4235 if (machine
->compat_props
) {
4236 qdev_prop_register_global_list(machine
->compat_props
);
4240 qdev_machine_init();
4242 QEMUMachineInitArgs args
= { .machine
= machine
,
4243 .ram_size
= ram_size
,
4244 .boot_order
= boot_order
,
4245 .kernel_filename
= kernel_filename
,
4246 .kernel_cmdline
= kernel_cmdline
,
4247 .initrd_filename
= initrd_filename
,
4248 .cpu_model
= cpu_model
};
4249 machine
->init(&args
);
4253 cpu_synchronize_all_post_init();
4257 current_machine
= machine
;
4259 /* init USB devices */
4260 if (usb_enabled(false)) {
4261 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4265 /* init generic devices */
4266 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4269 net_check_clients();
4271 ds
= init_displaystate();
4273 /* init local displays */
4274 switch (display_type
) {
4276 (void)ds
; /* avoid warning if no display is configured */
4278 #if defined(CONFIG_CURSES)
4280 curses_display_init(ds
, full_screen
);
4283 #if defined(CONFIG_SDL)
4285 sdl_display_init(ds
, full_screen
, no_frame
);
4287 #elif defined(CONFIG_COCOA)
4289 cocoa_display_init(ds
, full_screen
);
4292 #if defined(CONFIG_GTK)
4294 gtk_display_init(ds
, full_screen
);
4301 /* must be after terminal init, SDL library changes signal handlers */
4302 os_setup_signal_handling();
4305 /* init remote displays */
4307 Error
*local_err
= NULL
;
4308 vnc_display_init(ds
);
4309 vnc_display_open(ds
, vnc_display
, &local_err
);
4310 if (local_err
!= NULL
) {
4311 error_report("Failed to start VNC server on `%s': %s",
4312 vnc_display
, error_get_pretty(local_err
));
4313 error_free(local_err
);
4317 if (show_vnc_port
) {
4318 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4324 qemu_spice_display_init();
4328 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4332 qdev_machine_creation_done();
4334 if (rom_load_all() != 0) {
4335 fprintf(stderr
, "rom loading failed\n");
4339 /* TODO: once all bus devices are qdevified, this should be done
4340 * when bus is created by qdev.c */
4341 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4342 qemu_run_machine_init_done_notifiers();
4344 /* Done notifiers can load ROMs */
4347 qemu_system_reset(VMRESET_SILENT
);
4349 if (load_vmstate(loadvm
) < 0) {
4355 Error
*local_err
= NULL
;
4356 qemu_start_incoming_migration(incoming
, &local_err
);
4358 error_report("-incoming %s: %s", incoming
,
4359 error_get_pretty(local_err
));
4360 error_free(local_err
);
4363 } else if (autostart
) {