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"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
128 #include "hw/loader.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 "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.h"
142 #include "sysemu/dma.h"
143 #include "audio/audio.h"
144 #include "migration/migration.h"
145 #include "sysemu/kvm.h"
146 #include "qapi/qmp/qjson.h"
147 #include "qemu/option.h"
148 #include "qemu/config-file.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "qemu/main-loop.h"
153 #include "fsdev/qemu-fsdev.h"
155 #include "sysemu/qtest.h"
157 #include "disas/disas.h"
159 #include "qemu/sockets.h"
161 #include "slirp/libslirp.h"
164 #include "trace/control.h"
165 #include "qemu/queue.h"
166 #include "sysemu/cpus.h"
167 #include "sysemu/arch_init.h"
168 #include "qemu/osdep.h"
170 #include "ui/qemu-spice.h"
171 #include "qapi/string-input-visitor.h"
174 //#define DEBUG_SLIRP
176 #define DEFAULT_RAM_SIZE 128
178 #define MAX_VIRTIO_CONSOLES 1
179 #define MAX_SCLP_CONSOLES 1
181 static const char *data_dir
;
182 const char *bios_name
= NULL
;
183 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
184 DisplayType display_type
= DT_DEFAULT
;
185 static int display_remote
;
186 const char* keyboard_layout
= NULL
;
188 const char *mem_path
= NULL
;
190 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 QEMUClock
*rtc_clock
;
198 int vga_interface_type
= VGA_NONE
;
199 static int full_screen
= 0;
201 static int no_frame
= 0;
204 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
205 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
206 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
207 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
208 int win2k_install_hack
= 0;
215 const char *vnc_display
;
217 int acpi_enabled
= 1;
220 static int no_reboot
;
223 int graphic_rotate
= 0;
224 const char *watchdog
;
225 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
227 int semihosting_enabled
= 0;
229 const char *qemu_name
;
232 unsigned int nb_prom_envs
= 0;
233 const char *prom_envs
[MAX_PROM_ENVS
];
235 uint8_t *boot_splash_filedata
;
236 size_t boot_splash_filedata_size
;
237 uint8_t qemu_extra_params_fw
[2];
239 typedef struct FWBootEntry FWBootEntry
;
242 QTAILQ_ENTRY(FWBootEntry
) link
;
248 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
249 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
252 uint64_t node_mem
[MAX_NODES
];
253 unsigned long *node_cpumask
[MAX_NODES
];
255 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;
270 enum xen_mode xen_mode
= XEN_EMULATE
;
271 static int tcg_tb_size
;
273 static int default_serial
= 1;
274 static int default_parallel
= 1;
275 static int default_virtcon
= 1;
276 static int default_sclp
= 1;
277 static int default_monitor
= 1;
278 static int default_floppy
= 1;
279 static int default_cdrom
= 1;
280 static int default_sdcard
= 1;
281 static int default_vga
= 1;
287 { .driver
= "isa-serial", .flag
= &default_serial
},
288 { .driver
= "isa-parallel", .flag
= &default_parallel
},
289 { .driver
= "isa-fdc", .flag
= &default_floppy
},
290 { .driver
= "ide-cd", .flag
= &default_cdrom
},
291 { .driver
= "ide-hd", .flag
= &default_cdrom
},
292 { .driver
= "ide-drive", .flag
= &default_cdrom
},
293 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
294 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
295 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
296 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
297 { .driver
= "VGA", .flag
= &default_vga
},
298 { .driver
= "isa-vga", .flag
= &default_vga
},
299 { .driver
= "cirrus-vga", .flag
= &default_vga
},
300 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
301 { .driver
= "vmware-svga", .flag
= &default_vga
},
302 { .driver
= "qxl-vga", .flag
= &default_vga
},
305 static QemuOptsList qemu_rtc_opts
= {
307 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
311 .type
= QEMU_OPT_STRING
,
314 .type
= QEMU_OPT_STRING
,
317 .type
= QEMU_OPT_STRING
,
319 { /* end of list */ }
323 static QemuOptsList qemu_sandbox_opts
= {
325 .implied_opt_name
= "enable",
326 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
330 .type
= QEMU_OPT_BOOL
,
332 { /* end of list */ }
336 static QemuOptsList qemu_trace_opts
= {
338 .implied_opt_name
= "trace",
339 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
343 .type
= QEMU_OPT_STRING
,
346 .type
= QEMU_OPT_STRING
,
348 { /* end of list */ }
352 static QemuOptsList qemu_option_rom_opts
= {
353 .name
= "option-rom",
354 .implied_opt_name
= "romfile",
355 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
359 .type
= QEMU_OPT_NUMBER
,
362 .type
= QEMU_OPT_STRING
,
364 { /* end of list */ }
368 static QemuOptsList qemu_machine_opts
= {
370 .implied_opt_name
= "type",
372 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
376 .type
= QEMU_OPT_STRING
,
377 .help
= "emulated machine"
380 .type
= QEMU_OPT_STRING
,
381 .help
= "accelerator list",
383 .name
= "kernel_irqchip",
384 .type
= QEMU_OPT_BOOL
,
385 .help
= "use KVM in-kernel irqchip",
387 .name
= "kvm_shadow_mem",
388 .type
= QEMU_OPT_SIZE
,
389 .help
= "KVM shadow MMU size",
392 .type
= QEMU_OPT_STRING
,
393 .help
= "Linux kernel image file",
396 .type
= QEMU_OPT_STRING
,
397 .help
= "Linux initial ramdisk file",
400 .type
= QEMU_OPT_STRING
,
401 .help
= "Linux kernel command line",
404 .type
= QEMU_OPT_STRING
,
405 .help
= "Linux kernel device tree file",
408 .type
= QEMU_OPT_STRING
,
409 .help
= "Dump current dtb to a file and quit",
411 .name
= "phandle_start",
412 .type
= QEMU_OPT_STRING
,
413 .help
= "The first phandle ID we may generate dynamically",
415 .name
= "dt_compatible",
416 .type
= QEMU_OPT_STRING
,
417 .help
= "Overrides the \"compatible\" property of the dt root node",
419 .name
= "dump-guest-core",
420 .type
= QEMU_OPT_BOOL
,
421 .help
= "Include guest memory in a core dump",
424 .type
= QEMU_OPT_BOOL
,
425 .help
= "enable/disable memory merge support",
428 .type
= QEMU_OPT_BOOL
,
429 .help
= "Set on/off to enable/disable usb",
431 { /* End of list */ }
435 static QemuOptsList qemu_boot_opts
= {
437 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
439 /* the three names below are not used now */
442 .type
= QEMU_OPT_STRING
,
445 .type
= QEMU_OPT_STRING
,
448 .type
= QEMU_OPT_STRING
,
449 /* following are really used */
452 .type
= QEMU_OPT_STRING
,
454 .name
= "splash-time",
455 .type
= QEMU_OPT_STRING
,
457 .name
= "reboot-timeout",
458 .type
= QEMU_OPT_STRING
,
464 static QemuOptsList qemu_add_fd_opts
= {
466 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
470 .type
= QEMU_OPT_NUMBER
,
471 .help
= "file descriptor of which a duplicate is added to fd set",
474 .type
= QEMU_OPT_NUMBER
,
475 .help
= "ID of the fd set to add fd to",
478 .type
= QEMU_OPT_STRING
,
479 .help
= "free-form string used to describe fd",
481 { /* end of list */ }
485 static QemuOptsList qemu_object_opts
= {
487 .implied_opt_name
= "qom-type",
488 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
494 const char *qemu_get_vm_name(void)
499 static void res_free(void)
501 if (boot_splash_filedata
!= NULL
) {
502 g_free(boot_splash_filedata
);
503 boot_splash_filedata
= NULL
;
507 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
509 const char *driver
= qemu_opt_get(opts
, "driver");
514 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
515 if (strcmp(default_list
[i
].driver
, driver
) != 0)
517 *(default_list
[i
].flag
) = 0;
522 /***********************************************************/
525 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
530 } RunStateTransition
;
532 static const RunStateTransition runstate_transitions_def
[] = {
534 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
536 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
537 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
539 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
540 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
542 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
543 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
545 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
546 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
548 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
549 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
551 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
552 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
553 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
555 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
556 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
558 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
560 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
561 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
562 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
563 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
564 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
565 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
566 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
567 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
568 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
570 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
572 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
573 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
576 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
577 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
578 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
581 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
583 { RUN_STATE_MAX
, RUN_STATE_MAX
},
586 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
588 bool runstate_check(RunState state
)
590 return current_run_state
== state
;
593 static void runstate_init(void)
595 const RunStateTransition
*p
;
597 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
599 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
600 runstate_valid_transitions
[p
->from
][p
->to
] = true;
604 /* This function will abort() on invalid state transitions */
605 void runstate_set(RunState new_state
)
607 assert(new_state
< RUN_STATE_MAX
);
609 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
610 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
611 RunState_lookup
[current_run_state
],
612 RunState_lookup
[new_state
]);
616 current_run_state
= new_state
;
619 int runstate_is_running(void)
621 return runstate_check(RUN_STATE_RUNNING
);
624 StatusInfo
*qmp_query_status(Error
**errp
)
626 StatusInfo
*info
= g_malloc0(sizeof(*info
));
628 info
->running
= runstate_is_running();
629 info
->singlestep
= singlestep
;
630 info
->status
= current_run_state
;
635 /***********************************************************/
636 /* real time host monotonic timer */
638 /***********************************************************/
639 /* host time/date access */
640 void qemu_get_timedate(struct tm
*tm
, int offset
)
646 if (rtc_date_offset
== -1) {
650 localtime_r(&ti
, tm
);
652 ti
-= rtc_date_offset
;
657 int qemu_timedate_diff(struct tm
*tm
)
661 if (rtc_date_offset
== -1)
663 seconds
= mktimegm(tm
);
666 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
667 seconds
= mktime(&tmp
);
670 seconds
= mktimegm(tm
) + rtc_date_offset
;
672 return seconds
- time(NULL
);
675 void rtc_change_mon_event(struct tm
*tm
)
679 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
680 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
681 qobject_decref(data
);
684 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
686 time_t rtc_start_date
;
689 if (!strcmp(startdate
, "now") && legacy
) {
690 rtc_date_offset
= -1;
692 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
700 } else if (sscanf(startdate
, "%d-%d-%d",
712 rtc_start_date
= mktimegm(&tm
);
713 if (rtc_start_date
== -1) {
715 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
716 "'2006-06-17T16:01:21' or '2006-06-17'\n");
719 rtc_date_offset
= time(NULL
) - rtc_start_date
;
723 static void configure_rtc(QemuOpts
*opts
)
727 value
= qemu_opt_get(opts
, "base");
729 if (!strcmp(value
, "utc")) {
731 } else if (!strcmp(value
, "localtime")) {
734 configure_rtc_date_offset(value
, 0);
737 value
= qemu_opt_get(opts
, "clock");
739 if (!strcmp(value
, "host")) {
740 rtc_clock
= host_clock
;
741 } else if (!strcmp(value
, "rt")) {
742 rtc_clock
= rt_clock
;
743 } else if (!strcmp(value
, "vm")) {
744 rtc_clock
= vm_clock
;
746 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
750 value
= qemu_opt_get(opts
, "driftfix");
752 if (!strcmp(value
, "slew")) {
753 static GlobalProperty slew_lost_ticks
[] = {
755 .driver
= "mc146818rtc",
756 .property
= "lost_tick_policy",
759 { /* end of list */ }
762 qdev_prop_register_global_list(slew_lost_ticks
);
763 } else if (!strcmp(value
, "none")) {
764 /* discard is default */
766 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
772 /***********************************************************/
773 /* Bluetooth support */
776 static struct HCIInfo
*hci_table
[MAX_NICS
];
778 static struct bt_vlan_s
{
779 struct bt_scatternet_s net
;
781 struct bt_vlan_s
*next
;
784 /* find or alloc a new bluetooth "VLAN" */
785 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
787 struct bt_vlan_s
**pvlan
, *vlan
;
788 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
792 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
794 pvlan
= &first_bt_vlan
;
795 while (*pvlan
!= NULL
)
796 pvlan
= &(*pvlan
)->next
;
801 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
805 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
810 static struct HCIInfo null_hci
= {
811 .cmd_send
= null_hci_send
,
812 .sco_send
= null_hci_send
,
813 .acl_send
= null_hci_send
,
814 .bdaddr_set
= null_hci_addr_set
,
817 struct HCIInfo
*qemu_next_hci(void)
819 if (cur_hci
== nb_hcis
)
822 return hci_table
[cur_hci
++];
825 static struct HCIInfo
*hci_init(const char *str
)
828 struct bt_scatternet_s
*vlan
= 0;
830 if (!strcmp(str
, "null"))
833 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
835 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
836 else if (!strncmp(str
, "hci", 3)) {
839 if (!strncmp(str
+ 3, ",vlan=", 6)) {
840 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
845 vlan
= qemu_find_bt_vlan(0);
847 return bt_new_hci(vlan
);
850 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
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 /*********QEMU USB setting******/
984 bool usb_enabled(bool default_usb
)
987 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
989 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
995 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
997 int fd
, dupfd
, flags
;
999 const char *fd_opaque
= NULL
;
1001 fd
= qemu_opt_get_number(opts
, "fd", -1);
1002 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1003 fd_opaque
= qemu_opt_get(opts
, "opaque");
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1007 "fd option is required and must be non-negative");
1011 if (fd
<= STDERR_FILENO
) {
1012 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1013 "fd cannot be a standard I/O stream");
1018 * All fds inherited across exec() necessarily have FD_CLOEXEC
1019 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1021 flags
= fcntl(fd
, F_GETFD
);
1022 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1024 "fd is not valid or already in use");
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1030 "set option is required and must be non-negative");
1034 #ifdef F_DUPFD_CLOEXEC
1035 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1039 qemu_set_cloexec(dupfd
);
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1044 "Error duplicating fd: %s", strerror(errno
));
1048 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1049 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1055 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1059 fd
= qemu_opt_get_number(opts
, "fd", -1);
1066 /***********************************************************/
1067 /* QEMU Block devices */
1069 #define HD_OPTS "media=disk"
1070 #define CDROM_OPTS "media=cdrom"
1072 #define PFLASH_OPTS ""
1076 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1078 BlockInterfaceType
*block_default_type
= opaque
;
1080 return drive_init(opts
, *block_default_type
) == NULL
;
1083 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1085 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1086 qemu_opt_set(opts
, "snapshot", "on");
1091 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1092 int index
, const char *optstr
)
1096 if (!enable
|| drive_get_by_index(type
, index
)) {
1100 opts
= drive_add(type
, index
, NULL
, optstr
);
1102 drive_enable_snapshot(opts
, NULL
);
1104 if (!drive_init(opts
, type
)) {
1109 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1111 boot_set_handler
= func
;
1112 boot_set_opaque
= opaque
;
1115 int qemu_boot_set(const char *boot_devices
)
1117 if (!boot_set_handler
) {
1120 return boot_set_handler(boot_set_opaque
, boot_devices
);
1123 static void validate_bootdevices(char *devices
)
1125 /* We just do some generic consistency checks */
1129 for (p
= devices
; *p
!= '\0'; p
++) {
1130 /* Allowed boot devices are:
1131 * a-b: floppy disk drives
1132 * c-f: IDE disk drives
1133 * g-m: machine implementation dependent drives
1134 * n-p: network devices
1135 * It's up to each machine implementation to check if the given boot
1136 * devices match the actual hardware implementation and firmware
1139 if (*p
< 'a' || *p
> 'p') {
1140 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1143 if (bitmap
& (1 << (*p
- 'a'))) {
1144 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1147 bitmap
|= 1 << (*p
- 'a');
1151 static void restore_boot_devices(void *opaque
)
1153 char *standard_boot_devices
= opaque
;
1154 static int first
= 1;
1156 /* Restore boot order and remove ourselves after the first boot */
1162 qemu_boot_set(standard_boot_devices
);
1164 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1165 g_free(standard_boot_devices
);
1168 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1171 FWBootEntry
*node
, *i
;
1173 if (bootindex
< 0) {
1177 assert(dev
!= NULL
|| suffix
!= NULL
);
1179 node
= g_malloc0(sizeof(FWBootEntry
));
1180 node
->bootindex
= bootindex
;
1181 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
1184 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1185 if (i
->bootindex
== bootindex
) {
1186 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1188 } else if (i
->bootindex
< bootindex
) {
1191 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1194 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1198 * This function returns null terminated string that consist of new line
1199 * separated device paths.
1201 * memory pointed by "size" is assigned total length of the array in bytes
1204 char *get_boot_devices_list(size_t *size
)
1210 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1211 char *devpath
= NULL
, *bootpath
;
1215 devpath
= qdev_get_fw_dev_path(i
->dev
);
1219 if (i
->suffix
&& devpath
) {
1220 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1222 bootpath
= g_malloc(bootpathlen
);
1223 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1225 } else if (devpath
) {
1229 bootpath
= g_strdup(i
->suffix
);
1233 list
[total
-1] = '\n';
1235 len
= strlen(bootpath
) + 1;
1236 list
= g_realloc(list
, total
+ len
);
1237 memcpy(&list
[total
], bootpath
, len
);
1247 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1250 unsigned long long value
, endvalue
;
1252 value
= strtoull(cpus
, &endptr
, 10);
1253 if (*endptr
== '-') {
1254 endvalue
= strtoull(endptr
+1, &endptr
, 10);
1259 if (!(endvalue
< MAX_CPUMASK_BITS
)) {
1260 endvalue
= MAX_CPUMASK_BITS
- 1;
1262 "A max of %d CPUs are supported in a guest\n",
1266 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1269 static void numa_add(const char *optarg
)
1273 unsigned long long nodenr
;
1275 optarg
= get_opt_name(option
, 128, optarg
, ',');
1276 if (*optarg
== ',') {
1279 if (!strcmp(option
, "node")) {
1281 if (nb_numa_nodes
>= MAX_NODES
) {
1282 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1286 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1287 nodenr
= nb_numa_nodes
;
1289 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1290 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1295 if (nodenr
>= MAX_NODES
) {
1296 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1300 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1301 node_mem
[nodenr
] = 0;
1304 sval
= strtosz(option
, &endptr
);
1305 if (sval
< 0 || *endptr
) {
1306 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1309 node_mem
[nodenr
] = sval
;
1311 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1312 numa_node_parse_cpus(nodenr
, option
);
1316 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1321 static void smp_parse(const char *optarg
)
1323 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1327 smp
= strtoul(optarg
, &endptr
, 10);
1328 if (endptr
!= optarg
) {
1329 if (*endptr
== ',') {
1333 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1334 sockets
= strtoull(option
, NULL
, 10);
1335 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1336 cores
= strtoull(option
, NULL
, 10);
1337 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1338 threads
= strtoull(option
, NULL
, 10);
1339 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1340 max_cpus
= strtoull(option
, NULL
, 10);
1342 /* compute missing values, prefer sockets over cores over threads */
1343 if (smp
== 0 || sockets
== 0) {
1344 sockets
= sockets
> 0 ? sockets
: 1;
1345 cores
= cores
> 0 ? cores
: 1;
1346 threads
= threads
> 0 ? threads
: 1;
1348 smp
= cores
* threads
* sockets
;
1352 threads
= threads
> 0 ? threads
: 1;
1353 cores
= smp
/ (sockets
* threads
);
1355 threads
= smp
/ (cores
* sockets
);
1359 smp_cores
= cores
> 0 ? cores
: 1;
1360 smp_threads
= threads
> 0 ? threads
: 1;
1362 max_cpus
= smp_cpus
;
1365 /***********************************************************/
1368 static int usb_device_add(const char *devname
)
1371 USBDevice
*dev
= NULL
;
1373 if (!usb_enabled(false)) {
1377 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1378 dev
= usbdevice_create(devname
);
1382 /* the other ones */
1383 #ifndef CONFIG_LINUX
1384 /* only the linux version is qdev-ified, usb-bsd still needs this */
1385 if (strstart(devname
, "host:", &p
)) {
1386 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1389 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1390 dev
= usb_bt_init(usb_bus_find(-1),
1391 devname
[2] ? hci_init(p
)
1392 : bt_new_hci(qemu_find_bt_vlan(0)));
1403 static int usb_device_del(const char *devname
)
1408 if (strstart(devname
, "host:", &p
))
1409 return usb_host_device_close(p
);
1411 if (!usb_enabled(false)) {
1415 p
= strchr(devname
, '.');
1418 bus_num
= strtoul(devname
, NULL
, 0);
1419 addr
= strtoul(p
+ 1, NULL
, 0);
1421 return usb_device_delete_addr(bus_num
, addr
);
1424 static int usb_parse(const char *cmdline
)
1427 r
= usb_device_add(cmdline
);
1429 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1434 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1436 const char *devname
= qdict_get_str(qdict
, "devname");
1437 if (usb_device_add(devname
) < 0) {
1438 error_report("could not add USB device '%s'", devname
);
1442 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1444 const char *devname
= qdict_get_str(qdict
, "devname");
1445 if (usb_device_del(devname
) < 0) {
1446 error_report("could not delete USB device '%s'", devname
);
1450 /***********************************************************/
1451 /* PCMCIA/Cardbus */
1453 static struct pcmcia_socket_entry_s
{
1454 PCMCIASocket
*socket
;
1455 struct pcmcia_socket_entry_s
*next
;
1456 } *pcmcia_sockets
= 0;
1458 void pcmcia_socket_register(PCMCIASocket
*socket
)
1460 struct pcmcia_socket_entry_s
*entry
;
1462 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1463 entry
->socket
= socket
;
1464 entry
->next
= pcmcia_sockets
;
1465 pcmcia_sockets
= entry
;
1468 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1470 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1472 ptr
= &pcmcia_sockets
;
1473 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1474 if (entry
->socket
== socket
) {
1480 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1482 struct pcmcia_socket_entry_s
*iter
;
1484 if (!pcmcia_sockets
)
1485 monitor_printf(mon
, "No PCMCIA sockets\n");
1487 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1488 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1489 iter
->socket
->attached
? iter
->socket
->card_string
:
1493 /***********************************************************/
1494 /* machine registration */
1496 static QEMUMachine
*first_machine
= NULL
;
1497 QEMUMachine
*current_machine
= NULL
;
1499 int qemu_register_machine(QEMUMachine
*m
)
1502 pm
= &first_machine
;
1510 static QEMUMachine
*find_machine(const char *name
)
1514 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1515 if (!strcmp(m
->name
, name
))
1517 if (m
->alias
&& !strcmp(m
->alias
, name
))
1523 QEMUMachine
*find_default_machine(void)
1527 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1528 if (m
->is_default
) {
1535 MachineInfoList
*qmp_query_machines(Error
**errp
)
1537 MachineInfoList
*mach_list
= NULL
;
1540 for (m
= first_machine
; m
; m
= m
->next
) {
1541 MachineInfoList
*entry
;
1544 info
= g_malloc0(sizeof(*info
));
1545 if (m
->is_default
) {
1546 info
->has_is_default
= true;
1547 info
->is_default
= true;
1551 info
->has_alias
= true;
1552 info
->alias
= g_strdup(m
->alias
);
1555 info
->name
= g_strdup(m
->name
);
1557 entry
= g_malloc0(sizeof(*entry
));
1558 entry
->value
= info
;
1559 entry
->next
= mach_list
;
1566 /***********************************************************/
1567 /* main execution loop */
1569 static void gui_update(void *opaque
)
1571 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1572 DisplayState
*ds
= opaque
;
1573 DisplayChangeListener
*dcl
;
1577 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1578 if (dcl
->gui_timer_interval
&&
1579 dcl
->gui_timer_interval
< interval
)
1580 interval
= dcl
->gui_timer_interval
;
1582 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1585 void gui_setup_refresh(DisplayState
*ds
)
1587 DisplayChangeListener
*dcl
;
1588 bool need_timer
= false;
1589 bool have_gfx
= false;
1590 bool have_text
= false;
1592 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1593 if (dcl
->dpy_refresh
!= NULL
) {
1596 if (dcl
->dpy_gfx_update
!= NULL
) {
1599 if (dcl
->dpy_text_update
!= NULL
) {
1604 if (need_timer
&& ds
->gui_timer
== NULL
) {
1605 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
1606 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
1608 if (!need_timer
&& ds
->gui_timer
!= NULL
) {
1609 qemu_del_timer(ds
->gui_timer
);
1610 qemu_free_timer(ds
->gui_timer
);
1611 ds
->gui_timer
= NULL
;
1614 ds
->have_gfx
= have_gfx
;
1615 ds
->have_text
= have_text
;
1618 struct vm_change_state_entry
{
1619 VMChangeStateHandler
*cb
;
1621 QLIST_ENTRY (vm_change_state_entry
) entries
;
1624 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1626 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1629 VMChangeStateEntry
*e
;
1631 e
= g_malloc0(sizeof (*e
));
1635 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1639 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1641 QLIST_REMOVE (e
, entries
);
1645 void vm_state_notify(int running
, RunState state
)
1647 VMChangeStateEntry
*e
;
1649 trace_vm_state_notify(running
, state
);
1651 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1652 e
->cb(e
->opaque
, running
, state
);
1658 if (!runstate_is_running()) {
1660 runstate_set(RUN_STATE_RUNNING
);
1661 vm_state_notify(1, RUN_STATE_RUNNING
);
1663 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1667 /* reset/shutdown handler */
1669 typedef struct QEMUResetEntry
{
1670 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1671 QEMUResetHandler
*func
;
1675 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1676 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1677 static int reset_requested
;
1678 static int shutdown_requested
, shutdown_signal
= -1;
1679 static pid_t shutdown_pid
;
1680 static int powerdown_requested
;
1681 static int debug_requested
;
1682 static int suspend_requested
;
1683 static int wakeup_requested
;
1684 static NotifierList powerdown_notifiers
=
1685 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1686 static NotifierList suspend_notifiers
=
1687 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1688 static NotifierList wakeup_notifiers
=
1689 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1690 static uint32_t wakeup_reason_mask
= ~0;
1691 static RunState vmstop_requested
= RUN_STATE_MAX
;
1693 int qemu_shutdown_requested_get(void)
1695 return shutdown_requested
;
1698 int qemu_reset_requested_get(void)
1700 return reset_requested
;
1703 static int qemu_shutdown_requested(void)
1705 int r
= shutdown_requested
;
1706 shutdown_requested
= 0;
1710 static void qemu_kill_report(void)
1712 if (!qtest_enabled() && shutdown_signal
!= -1) {
1713 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1714 if (shutdown_pid
== 0) {
1715 /* This happens for eg ^C at the terminal, so it's worth
1716 * avoiding printing an odd message in that case.
1718 fputc('\n', stderr
);
1720 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1722 shutdown_signal
= -1;
1726 static int qemu_reset_requested(void)
1728 int r
= reset_requested
;
1729 reset_requested
= 0;
1733 static int qemu_suspend_requested(void)
1735 int r
= suspend_requested
;
1736 suspend_requested
= 0;
1740 static int qemu_wakeup_requested(void)
1742 int r
= wakeup_requested
;
1743 wakeup_requested
= 0;
1747 static int qemu_powerdown_requested(void)
1749 int r
= powerdown_requested
;
1750 powerdown_requested
= 0;
1754 static int qemu_debug_requested(void)
1756 int r
= debug_requested
;
1757 debug_requested
= 0;
1761 /* We use RUN_STATE_MAX but any invalid value will do */
1762 static bool qemu_vmstop_requested(RunState
*r
)
1764 if (vmstop_requested
< RUN_STATE_MAX
) {
1765 *r
= vmstop_requested
;
1766 vmstop_requested
= RUN_STATE_MAX
;
1773 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1775 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1778 re
->opaque
= opaque
;
1779 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1782 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1786 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1787 if (re
->func
== func
&& re
->opaque
== opaque
) {
1788 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1795 void qemu_devices_reset(void)
1797 QEMUResetEntry
*re
, *nre
;
1799 /* reset all devices */
1800 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1801 re
->func(re
->opaque
);
1805 void qemu_system_reset(bool report
)
1807 if (current_machine
&& current_machine
->reset
) {
1808 current_machine
->reset();
1810 qemu_devices_reset();
1813 monitor_protocol_event(QEVENT_RESET
, NULL
);
1815 cpu_synchronize_all_post_reset();
1818 void qemu_system_reset_request(void)
1821 shutdown_requested
= 1;
1823 reset_requested
= 1;
1826 qemu_notify_event();
1829 static void qemu_system_suspend(void)
1832 notifier_list_notify(&suspend_notifiers
, NULL
);
1833 runstate_set(RUN_STATE_SUSPENDED
);
1834 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1837 void qemu_system_suspend_request(void)
1839 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1842 suspend_requested
= 1;
1844 qemu_notify_event();
1847 void qemu_register_suspend_notifier(Notifier
*notifier
)
1849 notifier_list_add(&suspend_notifiers
, notifier
);
1852 void qemu_system_wakeup_request(WakeupReason reason
)
1854 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1857 if (!(wakeup_reason_mask
& (1 << reason
))) {
1860 runstate_set(RUN_STATE_RUNNING
);
1861 notifier_list_notify(&wakeup_notifiers
, &reason
);
1862 wakeup_requested
= 1;
1863 qemu_notify_event();
1866 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1869 wakeup_reason_mask
|= (1 << reason
);
1871 wakeup_reason_mask
&= ~(1 << reason
);
1875 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1877 notifier_list_add(&wakeup_notifiers
, notifier
);
1880 void qemu_system_killed(int signal
, pid_t pid
)
1882 shutdown_signal
= signal
;
1885 qemu_system_shutdown_request();
1888 void qemu_system_shutdown_request(void)
1890 shutdown_requested
= 1;
1891 qemu_notify_event();
1894 static void qemu_system_powerdown(void)
1896 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1897 notifier_list_notify(&powerdown_notifiers
, NULL
);
1900 void qemu_system_powerdown_request(void)
1902 powerdown_requested
= 1;
1903 qemu_notify_event();
1906 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1908 notifier_list_add(&powerdown_notifiers
, notifier
);
1911 void qemu_system_debug_request(void)
1913 debug_requested
= 1;
1914 qemu_notify_event();
1917 void qemu_system_vmstop_request(RunState state
)
1919 vmstop_requested
= state
;
1920 qemu_notify_event();
1923 static bool main_loop_should_exit(void)
1926 if (qemu_debug_requested()) {
1927 vm_stop(RUN_STATE_DEBUG
);
1929 if (qemu_suspend_requested()) {
1930 qemu_system_suspend();
1932 if (qemu_shutdown_requested()) {
1934 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1936 vm_stop(RUN_STATE_SHUTDOWN
);
1941 if (qemu_reset_requested()) {
1943 cpu_synchronize_all_states();
1944 qemu_system_reset(VMRESET_REPORT
);
1946 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1947 runstate_check(RUN_STATE_SHUTDOWN
)) {
1948 runstate_set(RUN_STATE_PAUSED
);
1951 if (qemu_wakeup_requested()) {
1953 cpu_synchronize_all_states();
1954 qemu_system_reset(VMRESET_SILENT
);
1956 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1958 if (qemu_powerdown_requested()) {
1959 qemu_system_powerdown();
1961 if (qemu_vmstop_requested(&r
)) {
1967 static void main_loop(void)
1971 #ifdef CONFIG_PROFILER
1975 nonblocking
= !kvm_enabled() && last_io
> 0;
1976 #ifdef CONFIG_PROFILER
1977 ti
= profile_getclock();
1979 last_io
= main_loop_wait(nonblocking
);
1980 #ifdef CONFIG_PROFILER
1981 dev_time
+= profile_getclock() - ti
;
1983 } while (!main_loop_should_exit());
1986 static void version(void)
1988 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1991 static void help(int exitcode
)
1994 printf("usage: %s [options] [disk_image]\n\n"
1995 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1996 error_get_progname());
1998 #define QEMU_OPTIONS_GENERATE_HELP
1999 #include "qemu-options-wrapper.h"
2001 printf("\nDuring emulation, the following keys are useful:\n"
2002 "ctrl-alt-f toggle full screen\n"
2003 "ctrl-alt-n switch to virtual console 'n'\n"
2004 "ctrl-alt toggle mouse and keyboard grab\n"
2006 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2011 #define HAS_ARG 0x0001
2013 typedef struct QEMUOption
{
2020 static const QEMUOption qemu_options
[] = {
2021 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2022 #define QEMU_OPTIONS_GENERATE_OPTIONS
2023 #include "qemu-options-wrapper.h"
2027 static bool vga_available(void)
2029 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2032 static bool cirrus_vga_available(void)
2034 return object_class_by_name("cirrus-vga")
2035 || object_class_by_name("isa-cirrus-vga");
2038 static bool vmware_vga_available(void)
2040 return object_class_by_name("vmware-svga");
2043 static bool qxl_vga_available(void)
2045 return object_class_by_name("qxl-vga");
2048 static void select_vgahw (const char *p
)
2052 vga_interface_type
= VGA_NONE
;
2053 if (strstart(p
, "std", &opts
)) {
2054 if (vga_available()) {
2055 vga_interface_type
= VGA_STD
;
2057 fprintf(stderr
, "Error: standard VGA not available\n");
2060 } else if (strstart(p
, "cirrus", &opts
)) {
2061 if (cirrus_vga_available()) {
2062 vga_interface_type
= VGA_CIRRUS
;
2064 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2067 } else if (strstart(p
, "vmware", &opts
)) {
2068 if (vmware_vga_available()) {
2069 vga_interface_type
= VGA_VMWARE
;
2071 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2074 } else if (strstart(p
, "xenfb", &opts
)) {
2075 vga_interface_type
= VGA_XENFB
;
2076 } else if (strstart(p
, "qxl", &opts
)) {
2077 if (qxl_vga_available()) {
2078 vga_interface_type
= VGA_QXL
;
2080 fprintf(stderr
, "Error: QXL VGA not available\n");
2083 } else if (!strstart(p
, "none", &opts
)) {
2085 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2089 const char *nextopt
;
2091 if (strstart(opts
, ",retrace=", &nextopt
)) {
2093 if (strstart(opts
, "dumb", &nextopt
))
2094 vga_retrace_method
= VGA_RETRACE_DUMB
;
2095 else if (strstart(opts
, "precise", &nextopt
))
2096 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2097 else goto invalid_vga
;
2098 } else goto invalid_vga
;
2103 static DisplayType
select_display(const char *p
)
2106 DisplayType display
= DT_DEFAULT
;
2108 if (strstart(p
, "sdl", &opts
)) {
2112 const char *nextopt
;
2114 if (strstart(opts
, ",frame=", &nextopt
)) {
2116 if (strstart(opts
, "on", &nextopt
)) {
2118 } else if (strstart(opts
, "off", &nextopt
)) {
2121 goto invalid_sdl_args
;
2123 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2125 if (strstart(opts
, "on", &nextopt
)) {
2127 } else if (strstart(opts
, "off", &nextopt
)) {
2130 goto invalid_sdl_args
;
2132 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2134 if (strstart(opts
, "on", &nextopt
)) {
2136 } else if (strstart(opts
, "off", &nextopt
)) {
2139 goto invalid_sdl_args
;
2141 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2143 if (strstart(opts
, "on", &nextopt
)) {
2145 } else if (strstart(opts
, "off", &nextopt
)) {
2148 goto invalid_sdl_args
;
2152 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2158 fprintf(stderr
, "SDL support is disabled\n");
2161 } else if (strstart(p
, "vnc", &opts
)) {
2166 const char *nextopt
;
2168 if (strstart(opts
, "=", &nextopt
)) {
2169 vnc_display
= nextopt
;
2173 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2177 fprintf(stderr
, "VNC support is disabled\n");
2180 } else if (strstart(p
, "curses", &opts
)) {
2181 #ifdef CONFIG_CURSES
2182 display
= DT_CURSES
;
2184 fprintf(stderr
, "Curses support is disabled\n");
2187 } else if (strstart(p
, "none", &opts
)) {
2190 fprintf(stderr
, "Unknown display type: %s\n", p
);
2197 static int balloon_parse(const char *arg
)
2201 if (strcmp(arg
, "none") == 0) {
2205 if (!strncmp(arg
, "virtio", 6)) {
2206 if (arg
[6] == ',') {
2207 /* have params -> parse them */
2208 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2212 /* create empty opts */
2213 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2215 qemu_opt_set(opts
, "driver", "virtio-balloon");
2222 char *qemu_find_file(int type
, const char *name
)
2228 /* Try the name as a straight path first */
2229 if (access(name
, R_OK
) == 0) {
2230 return g_strdup(name
);
2233 case QEMU_FILE_TYPE_BIOS
:
2236 case QEMU_FILE_TYPE_KEYMAP
:
2237 subdir
= "keymaps/";
2242 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
2243 buf
= g_malloc0(len
);
2244 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
2245 if (access(buf
, R_OK
)) {
2252 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2254 return qdev_device_help(opts
);
2257 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2261 dev
= qdev_device_add(opts
);
2264 object_unref(OBJECT(dev
));
2268 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2270 Error
*local_err
= NULL
;
2272 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2273 if (error_is_set(&local_err
)) {
2274 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2275 error_free(local_err
);
2281 #ifdef CONFIG_VIRTFS
2282 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2285 ret
= qemu_fsdev_add(opts
);
2291 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2293 CharDriverState
*chr
;
2294 const char *chardev
;
2298 mode
= qemu_opt_get(opts
, "mode");
2302 if (strcmp(mode
, "readline") == 0) {
2303 flags
= MONITOR_USE_READLINE
;
2304 } else if (strcmp(mode
, "control") == 0) {
2305 flags
= MONITOR_USE_CONTROL
;
2307 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2311 if (qemu_opt_get_bool(opts
, "pretty", 0))
2312 flags
|= MONITOR_USE_PRETTY
;
2314 if (qemu_opt_get_bool(opts
, "default", 0))
2315 flags
|= MONITOR_IS_DEFAULT
;
2317 chardev
= qemu_opt_get(opts
, "chardev");
2318 chr
= qemu_chr_find(chardev
);
2320 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2324 monitor_init(chr
, flags
);
2328 static void monitor_parse(const char *optarg
, const char *mode
)
2330 static int monitor_device_index
= 0;
2336 if (strstart(optarg
, "chardev:", &p
)) {
2337 snprintf(label
, sizeof(label
), "%s", p
);
2339 snprintf(label
, sizeof(label
), "compat_monitor%d",
2340 monitor_device_index
);
2341 if (monitor_device_index
== 0) {
2344 opts
= qemu_chr_parse_compat(label
, optarg
);
2346 fprintf(stderr
, "parse error: %s\n", optarg
);
2351 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2353 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2356 qemu_opt_set(opts
, "mode", mode
);
2357 qemu_opt_set(opts
, "chardev", label
);
2359 qemu_opt_set(opts
, "default", "on");
2360 monitor_device_index
++;
2363 struct device_config
{
2365 DEV_USB
, /* -usbdevice */
2367 DEV_SERIAL
, /* -serial */
2368 DEV_PARALLEL
, /* -parallel */
2369 DEV_VIRTCON
, /* -virtioconsole */
2370 DEV_DEBUGCON
, /* -debugcon */
2371 DEV_GDB
, /* -gdb, -s */
2372 DEV_SCLP
, /* s390 sclp */
2374 const char *cmdline
;
2376 QTAILQ_ENTRY(device_config
) next
;
2379 static QTAILQ_HEAD(, device_config
) device_configs
=
2380 QTAILQ_HEAD_INITIALIZER(device_configs
);
2382 static void add_device_config(int type
, const char *cmdline
)
2384 struct device_config
*conf
;
2386 conf
= g_malloc0(sizeof(*conf
));
2388 conf
->cmdline
= cmdline
;
2389 loc_save(&conf
->loc
);
2390 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2393 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2395 struct device_config
*conf
;
2398 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2399 if (conf
->type
!= type
)
2401 loc_push_restore(&conf
->loc
);
2402 rc
= func(conf
->cmdline
);
2403 loc_pop(&conf
->loc
);
2410 static int serial_parse(const char *devname
)
2412 static int index
= 0;
2415 if (strcmp(devname
, "none") == 0)
2417 if (index
== MAX_SERIAL_PORTS
) {
2418 fprintf(stderr
, "qemu: too many serial ports\n");
2421 snprintf(label
, sizeof(label
), "serial%d", index
);
2422 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2423 if (!serial_hds
[index
]) {
2424 fprintf(stderr
, "qemu: could not connect serial device"
2425 " to character backend '%s'\n", devname
);
2432 static int parallel_parse(const char *devname
)
2434 static int index
= 0;
2437 if (strcmp(devname
, "none") == 0)
2439 if (index
== MAX_PARALLEL_PORTS
) {
2440 fprintf(stderr
, "qemu: too many parallel ports\n");
2443 snprintf(label
, sizeof(label
), "parallel%d", index
);
2444 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2445 if (!parallel_hds
[index
]) {
2446 fprintf(stderr
, "qemu: could not connect parallel device"
2447 " to character backend '%s'\n", devname
);
2454 static int virtcon_parse(const char *devname
)
2456 QemuOptsList
*device
= qemu_find_opts("device");
2457 static int index
= 0;
2459 QemuOpts
*bus_opts
, *dev_opts
;
2461 if (strcmp(devname
, "none") == 0)
2463 if (index
== MAX_VIRTIO_CONSOLES
) {
2464 fprintf(stderr
, "qemu: too many virtio consoles\n");
2468 bus_opts
= qemu_opts_create_nofail(device
);
2469 if (arch_type
== QEMU_ARCH_S390X
) {
2470 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2472 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2475 dev_opts
= qemu_opts_create_nofail(device
);
2476 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2478 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2479 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2480 if (!virtcon_hds
[index
]) {
2481 fprintf(stderr
, "qemu: could not connect virtio console"
2482 " to character backend '%s'\n", devname
);
2485 qemu_opt_set(dev_opts
, "chardev", label
);
2491 static int sclp_parse(const char *devname
)
2493 QemuOptsList
*device
= qemu_find_opts("device");
2494 static int index
= 0;
2498 if (strcmp(devname
, "none") == 0) {
2501 if (index
== MAX_SCLP_CONSOLES
) {
2502 fprintf(stderr
, "qemu: too many sclp consoles\n");
2506 assert(arch_type
== QEMU_ARCH_S390X
);
2508 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2509 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2511 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2512 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2513 if (!sclp_hds
[index
]) {
2514 fprintf(stderr
, "qemu: could not connect sclp console"
2515 " to character backend '%s'\n", devname
);
2518 qemu_opt_set(dev_opts
, "chardev", label
);
2524 static int debugcon_parse(const char *devname
)
2528 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2531 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2533 fprintf(stderr
, "qemu: already have a debugcon device\n");
2536 qemu_opt_set(opts
, "driver", "isa-debugcon");
2537 qemu_opt_set(opts
, "chardev", "debugcon");
2541 static QEMUMachine
*machine_parse(const char *name
)
2543 QEMUMachine
*m
, *machine
= NULL
;
2546 machine
= find_machine(name
);
2551 printf("Supported machines are:\n");
2552 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2554 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2556 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2557 m
->is_default
? " (default)" : "");
2559 exit(!name
|| !is_help_option(name
));
2562 static int tcg_init(void)
2564 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2569 const char *opt_name
;
2571 int (*available
)(void);
2575 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2576 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2577 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2578 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2581 static int configure_accelerator(void)
2583 const char *p
= NULL
;
2586 bool accel_initialised
= false;
2587 bool init_failed
= false;
2589 QemuOptsList
*list
= qemu_find_opts("machine");
2590 if (!QTAILQ_EMPTY(&list
->head
)) {
2591 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2595 /* Use the default "accelerator", tcg */
2599 while (!accel_initialised
&& *p
!= '\0') {
2603 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2604 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2605 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2606 if (!accel_list
[i
].available()) {
2607 printf("%s not supported for this target\n",
2608 accel_list
[i
].name
);
2611 *(accel_list
[i
].allowed
) = true;
2612 ret
= accel_list
[i
].init();
2615 fprintf(stderr
, "failed to initialize %s: %s\n",
2618 *(accel_list
[i
].allowed
) = false;
2620 accel_initialised
= true;
2625 if (i
== ARRAY_SIZE(accel_list
)) {
2626 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2630 if (!accel_initialised
) {
2632 fprintf(stderr
, "No accelerator found!\n");
2638 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2641 return !accel_initialised
;
2644 void qemu_add_exit_notifier(Notifier
*notify
)
2646 notifier_list_add(&exit_notifiers
, notify
);
2649 void qemu_remove_exit_notifier(Notifier
*notify
)
2651 notifier_remove(notify
);
2654 static void qemu_run_exit_notifiers(void)
2656 notifier_list_notify(&exit_notifiers
, NULL
);
2659 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2661 notifier_list_add(&machine_init_done_notifiers
, notify
);
2664 static void qemu_run_machine_init_done_notifiers(void)
2666 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2669 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2670 const char **poptarg
, int *poptind
)
2672 const QEMUOption
*popt
;
2673 int optind
= *poptind
;
2674 char *r
= argv
[optind
];
2677 loc_set_cmdline(argv
, optind
, 1);
2679 /* Treat --foo the same as -foo. */
2682 popt
= qemu_options
;
2685 error_report("invalid option");
2688 if (!strcmp(popt
->name
, r
+ 1))
2692 if (popt
->flags
& HAS_ARG
) {
2693 if (optind
>= argc
) {
2694 error_report("requires an argument");
2697 optarg
= argv
[optind
++];
2698 loc_set_cmdline(argv
, optind
- 2, 2);
2709 static gpointer
malloc_and_trace(gsize n_bytes
)
2711 void *ptr
= malloc(n_bytes
);
2712 trace_g_malloc(n_bytes
, ptr
);
2716 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2718 void *ptr
= realloc(mem
, n_bytes
);
2719 trace_g_realloc(mem
, n_bytes
, ptr
);
2723 static void free_and_trace(gpointer mem
)
2729 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2731 Object
*obj
= OBJECT(opaque
);
2732 StringInputVisitor
*siv
;
2733 Error
*local_err
= NULL
;
2735 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2739 siv
= string_input_visitor_new(value
);
2740 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2741 string_input_visitor_cleanup(siv
);
2744 qerror_report_err(local_err
);
2745 error_free(local_err
);
2752 static int object_create(QemuOpts
*opts
, void *opaque
)
2754 const char *type
= qemu_opt_get(opts
, "qom-type");
2755 const char *id
= qemu_opts_id(opts
);
2758 g_assert(type
!= NULL
);
2761 qerror_report(QERR_MISSING_PARAMETER
, "id");
2765 obj
= object_new(type
);
2766 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2770 object_property_add_child(container_get(object_get_root(), "/objects"),
2776 int main(int argc
, char **argv
, char **envp
)
2779 int snapshot
, linux_boot
;
2780 const char *icount_option
= NULL
;
2781 const char *initrd_filename
;
2782 const char *kernel_filename
, *kernel_cmdline
;
2783 char boot_devices
[33] = "";
2785 int cyls
, heads
, secs
, translation
;
2786 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2787 QemuOptsList
*olist
;
2790 const char *loadvm
= NULL
;
2791 QEMUMachine
*machine
;
2792 const char *cpu_model
;
2793 const char *vga_model
= "none";
2794 const char *pid_file
= NULL
;
2795 const char *incoming
= NULL
;
2797 int show_vnc_port
= 0;
2799 bool defconfig
= true;
2800 bool userconfig
= true;
2801 const char *log_mask
= NULL
;
2802 const char *log_file
= NULL
;
2803 GMemVTable mem_trace
= {
2804 .malloc
= malloc_and_trace
,
2805 .realloc
= realloc_and_trace
,
2806 .free
= free_and_trace
,
2808 const char *trace_events
= NULL
;
2809 const char *trace_file
= NULL
;
2811 atexit(qemu_run_exit_notifiers
);
2812 error_set_progname(argv
[0]);
2814 g_mem_set_vtable(&mem_trace
);
2815 if (!g_thread_supported()) {
2816 #if !GLIB_CHECK_VERSION(2, 31, 0)
2817 g_thread_init(NULL
);
2819 fprintf(stderr
, "glib threading failed to initialize.\n");
2824 module_call_init(MODULE_INIT_QOM
);
2826 qemu_add_opts(&qemu_drive_opts
);
2827 qemu_add_opts(&qemu_chardev_opts
);
2828 qemu_add_opts(&qemu_device_opts
);
2829 qemu_add_opts(&qemu_netdev_opts
);
2830 qemu_add_opts(&qemu_net_opts
);
2831 qemu_add_opts(&qemu_rtc_opts
);
2832 qemu_add_opts(&qemu_global_opts
);
2833 qemu_add_opts(&qemu_mon_opts
);
2834 qemu_add_opts(&qemu_trace_opts
);
2835 qemu_add_opts(&qemu_option_rom_opts
);
2836 qemu_add_opts(&qemu_machine_opts
);
2837 qemu_add_opts(&qemu_boot_opts
);
2838 qemu_add_opts(&qemu_sandbox_opts
);
2839 qemu_add_opts(&qemu_add_fd_opts
);
2840 qemu_add_opts(&qemu_object_opts
);
2845 rtc_clock
= host_clock
;
2847 qemu_cache_utils_init(envp
);
2849 QLIST_INIT (&vm_change_state_head
);
2850 os_setup_early_signal_handling();
2852 module_call_init(MODULE_INIT_MACHINE
);
2853 machine
= find_default_machine();
2857 cyls
= heads
= secs
= 0;
2858 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2860 for (i
= 0; i
< MAX_NODES
; i
++) {
2862 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2870 /* first pass of option parsing */
2872 while (optind
< argc
) {
2873 if (argv
[optind
][0] != '-') {
2878 const QEMUOption
*popt
;
2880 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2881 switch (popt
->index
) {
2882 case QEMU_OPTION_nodefconfig
:
2885 case QEMU_OPTION_nouserconfig
:
2894 ret
= qemu_read_default_config_files(userconfig
);
2900 /* second pass of option parsing */
2905 if (argv
[optind
][0] != '-') {
2906 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2908 const QEMUOption
*popt
;
2910 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2911 if (!(popt
->arch_mask
& arch_type
)) {
2912 printf("Option %s not supported for this target\n", popt
->name
);
2915 switch(popt
->index
) {
2917 machine
= machine_parse(optarg
);
2919 case QEMU_OPTION_no_kvm_irqchip
: {
2920 olist
= qemu_find_opts("machine");
2921 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2924 case QEMU_OPTION_cpu
:
2925 /* hw initialization will check this */
2928 case QEMU_OPTION_hda
:
2932 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2934 snprintf(buf
, sizeof(buf
),
2935 "%s,cyls=%d,heads=%d,secs=%d%s",
2936 HD_OPTS
, cyls
, heads
, secs
,
2937 translation
== BIOS_ATA_TRANSLATION_LBA
?
2939 translation
== BIOS_ATA_TRANSLATION_NONE
?
2940 ",trans=none" : "");
2941 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2944 case QEMU_OPTION_hdb
:
2945 case QEMU_OPTION_hdc
:
2946 case QEMU_OPTION_hdd
:
2947 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2950 case QEMU_OPTION_drive
:
2951 if (drive_def(optarg
) == NULL
) {
2955 case QEMU_OPTION_set
:
2956 if (qemu_set_option(optarg
) != 0)
2959 case QEMU_OPTION_global
:
2960 if (qemu_global_option(optarg
) != 0)
2963 case QEMU_OPTION_mtdblock
:
2964 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2966 case QEMU_OPTION_sd
:
2967 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2969 case QEMU_OPTION_pflash
:
2970 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2972 case QEMU_OPTION_snapshot
:
2975 case QEMU_OPTION_hdachs
:
2979 cyls
= strtol(p
, (char **)&p
, 0);
2980 if (cyls
< 1 || cyls
> 16383)
2985 heads
= strtol(p
, (char **)&p
, 0);
2986 if (heads
< 1 || heads
> 16)
2991 secs
= strtol(p
, (char **)&p
, 0);
2992 if (secs
< 1 || secs
> 63)
2996 if (!strcmp(p
, "none"))
2997 translation
= BIOS_ATA_TRANSLATION_NONE
;
2998 else if (!strcmp(p
, "lba"))
2999 translation
= BIOS_ATA_TRANSLATION_LBA
;
3000 else if (!strcmp(p
, "auto"))
3001 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3004 } else if (*p
!= '\0') {
3006 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3009 if (hda_opts
!= NULL
) {
3011 snprintf(num
, sizeof(num
), "%d", cyls
);
3012 qemu_opt_set(hda_opts
, "cyls", num
);
3013 snprintf(num
, sizeof(num
), "%d", heads
);
3014 qemu_opt_set(hda_opts
, "heads", num
);
3015 snprintf(num
, sizeof(num
), "%d", secs
);
3016 qemu_opt_set(hda_opts
, "secs", num
);
3017 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3018 qemu_opt_set(hda_opts
, "trans", "lba");
3019 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3020 qemu_opt_set(hda_opts
, "trans", "none");
3024 case QEMU_OPTION_numa
:
3027 case QEMU_OPTION_display
:
3028 display_type
= select_display(optarg
);
3030 case QEMU_OPTION_nographic
:
3031 display_type
= DT_NOGRAPHIC
;
3033 case QEMU_OPTION_curses
:
3034 #ifdef CONFIG_CURSES
3035 display_type
= DT_CURSES
;
3037 fprintf(stderr
, "Curses support is disabled\n");
3041 case QEMU_OPTION_portrait
:
3042 graphic_rotate
= 90;
3044 case QEMU_OPTION_rotate
:
3045 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3046 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3047 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3049 "qemu: only 90, 180, 270 deg rotation is available\n");
3053 case QEMU_OPTION_kernel
:
3054 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3056 case QEMU_OPTION_initrd
:
3057 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3059 case QEMU_OPTION_append
:
3060 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3062 case QEMU_OPTION_dtb
:
3063 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3065 case QEMU_OPTION_cdrom
:
3066 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3068 case QEMU_OPTION_boot
:
3070 static const char * const params
[] = {
3071 "order", "once", "menu",
3072 "splash", "splash-time",
3073 "reboot-timeout", NULL
3075 char buf
[sizeof(boot_devices
)];
3076 char *standard_boot_devices
;
3079 if (!strchr(optarg
, '=')) {
3081 pstrcpy(buf
, sizeof(buf
), optarg
);
3082 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3084 "qemu: unknown boot parameter '%s' in '%s'\n",
3090 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3091 validate_bootdevices(buf
);
3092 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3095 if (get_param_value(buf
, sizeof(buf
),
3097 validate_bootdevices(buf
);
3098 standard_boot_devices
= g_strdup(boot_devices
);
3099 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3100 qemu_register_reset(restore_boot_devices
,
3101 standard_boot_devices
);
3103 if (get_param_value(buf
, sizeof(buf
),
3105 if (!strcmp(buf
, "on")) {
3107 } else if (!strcmp(buf
, "off")) {
3111 "qemu: invalid option value '%s'\n",
3116 qemu_opts_parse(qemu_find_opts("boot-opts"),
3121 case QEMU_OPTION_fda
:
3122 case QEMU_OPTION_fdb
:
3123 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3126 case QEMU_OPTION_no_fd_bootchk
:
3129 case QEMU_OPTION_netdev
:
3130 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3134 case QEMU_OPTION_net
:
3135 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3139 #ifdef CONFIG_LIBISCSI
3140 case QEMU_OPTION_iscsi
:
3141 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3148 case QEMU_OPTION_tftp
:
3149 legacy_tftp_prefix
= optarg
;
3151 case QEMU_OPTION_bootp
:
3152 legacy_bootp_filename
= optarg
;
3154 case QEMU_OPTION_redir
:
3155 if (net_slirp_redir(optarg
) < 0)
3159 case QEMU_OPTION_bt
:
3160 add_device_config(DEV_BT
, optarg
);
3162 case QEMU_OPTION_audio_help
:
3163 if (!(audio_available())) {
3164 printf("Option %s not supported for this target\n", popt
->name
);
3170 case QEMU_OPTION_soundhw
:
3171 if (!(audio_available())) {
3172 printf("Option %s not supported for this target\n", popt
->name
);
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");
3202 case QEMU_OPTION_mempath
:
3206 case QEMU_OPTION_mem_prealloc
:
3217 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3219 case QEMU_OPTION_gdb
:
3220 add_device_config(DEV_GDB
, optarg
);
3225 case QEMU_OPTION_bios
:
3228 case QEMU_OPTION_singlestep
:
3235 keyboard_layout
= optarg
;
3237 case QEMU_OPTION_localtime
:
3240 case QEMU_OPTION_vga
:
3249 w
= strtol(p
, (char **)&p
, 10);
3252 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3258 h
= strtol(p
, (char **)&p
, 10);
3263 depth
= strtol(p
, (char **)&p
, 10);
3264 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3265 depth
!= 24 && depth
!= 32)
3267 } else if (*p
== '\0') {
3268 depth
= graphic_depth
;
3275 graphic_depth
= depth
;
3278 case QEMU_OPTION_echr
:
3281 term_escape_char
= strtol(optarg
, &r
, 0);
3283 printf("Bad argument to echr\n");
3286 case QEMU_OPTION_monitor
:
3287 monitor_parse(optarg
, "readline");
3288 default_monitor
= 0;
3290 case QEMU_OPTION_qmp
:
3291 monitor_parse(optarg
, "control");
3292 default_monitor
= 0;
3294 case QEMU_OPTION_mon
:
3295 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3299 default_monitor
= 0;
3301 case QEMU_OPTION_chardev
:
3302 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3307 case QEMU_OPTION_fsdev
:
3308 olist
= qemu_find_opts("fsdev");
3310 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3313 opts
= qemu_opts_parse(olist
, optarg
, 1);
3315 fprintf(stderr
, "parse error: %s\n", optarg
);
3319 case QEMU_OPTION_virtfs
: {
3322 const char *writeout
, *sock_fd
, *socket
;
3324 olist
= qemu_find_opts("virtfs");
3326 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3329 opts
= qemu_opts_parse(olist
, optarg
, 1);
3331 fprintf(stderr
, "parse error: %s\n", optarg
);
3335 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3336 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3337 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3340 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3341 qemu_opt_get(opts
, "mount_tag"),
3344 fprintf(stderr
, "duplicate fsdev id: %s\n",
3345 qemu_opt_get(opts
, "mount_tag"));
3349 writeout
= qemu_opt_get(opts
, "writeout");
3351 #ifdef CONFIG_SYNC_FILE_RANGE
3352 qemu_opt_set(fsdev
, "writeout", writeout
);
3354 fprintf(stderr
, "writeout=immediate not supported on "
3359 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3360 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3361 qemu_opt_set(fsdev
, "security_model",
3362 qemu_opt_get(opts
, "security_model"));
3363 socket
= qemu_opt_get(opts
, "socket");
3365 qemu_opt_set(fsdev
, "socket", socket
);
3367 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3369 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3372 qemu_opt_set_bool(fsdev
, "readonly",
3373 qemu_opt_get_bool(opts
, "readonly", 0));
3374 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3375 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3376 qemu_opt_set(device
, "fsdev",
3377 qemu_opt_get(opts
, "mount_tag"));
3378 qemu_opt_set(device
, "mount_tag",
3379 qemu_opt_get(opts
, "mount_tag"));
3382 case QEMU_OPTION_virtfs_synth
: {
3386 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3389 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3392 qemu_opt_set(fsdev
, "fsdriver", "synth");
3394 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3395 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3396 qemu_opt_set(device
, "fsdev", "v_synth");
3397 qemu_opt_set(device
, "mount_tag", "v_synth");
3400 case QEMU_OPTION_serial
:
3401 add_device_config(DEV_SERIAL
, optarg
);
3403 if (strncmp(optarg
, "mon:", 4) == 0) {
3404 default_monitor
= 0;
3407 case QEMU_OPTION_watchdog
:
3410 "qemu: only one watchdog option may be given\n");
3415 case QEMU_OPTION_watchdog_action
:
3416 if (select_watchdog_action(optarg
) == -1) {
3417 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3421 case QEMU_OPTION_virtiocon
:
3422 add_device_config(DEV_VIRTCON
, optarg
);
3423 default_virtcon
= 0;
3424 if (strncmp(optarg
, "mon:", 4) == 0) {
3425 default_monitor
= 0;
3428 case QEMU_OPTION_parallel
:
3429 add_device_config(DEV_PARALLEL
, optarg
);
3430 default_parallel
= 0;
3431 if (strncmp(optarg
, "mon:", 4) == 0) {
3432 default_monitor
= 0;
3435 case QEMU_OPTION_debugcon
:
3436 add_device_config(DEV_DEBUGCON
, optarg
);
3438 case QEMU_OPTION_loadvm
:
3441 case QEMU_OPTION_full_screen
:
3445 case QEMU_OPTION_no_frame
:
3448 case QEMU_OPTION_alt_grab
:
3451 case QEMU_OPTION_ctrl_grab
:
3454 case QEMU_OPTION_no_quit
:
3457 case QEMU_OPTION_sdl
:
3458 display_type
= DT_SDL
;
3461 case QEMU_OPTION_no_frame
:
3462 case QEMU_OPTION_alt_grab
:
3463 case QEMU_OPTION_ctrl_grab
:
3464 case QEMU_OPTION_no_quit
:
3465 case QEMU_OPTION_sdl
:
3466 fprintf(stderr
, "SDL support is disabled\n");
3469 case QEMU_OPTION_pidfile
:
3472 case QEMU_OPTION_win2k_hack
:
3473 win2k_install_hack
= 1;
3475 case QEMU_OPTION_rtc_td_hack
: {
3476 static GlobalProperty slew_lost_ticks
[] = {
3478 .driver
= "mc146818rtc",
3479 .property
= "lost_tick_policy",
3482 { /* end of list */ }
3485 qdev_prop_register_global_list(slew_lost_ticks
);
3488 case QEMU_OPTION_acpitable
:
3489 do_acpitable_option(optarg
);
3491 case QEMU_OPTION_smbios
:
3492 do_smbios_option(optarg
);
3494 case QEMU_OPTION_enable_kvm
:
3495 olist
= qemu_find_opts("machine");
3496 qemu_opts_parse(olist
, "accel=kvm", 0);
3498 case QEMU_OPTION_machine
:
3499 olist
= qemu_find_opts("machine");
3500 opts
= qemu_opts_parse(olist
, optarg
, 1);
3502 fprintf(stderr
, "parse error: %s\n", optarg
);
3505 optarg
= qemu_opt_get(opts
, "type");
3507 machine
= machine_parse(optarg
);
3510 case QEMU_OPTION_no_kvm
:
3511 olist
= qemu_find_opts("machine");
3512 qemu_opts_parse(olist
, "accel=tcg", 0);
3514 case QEMU_OPTION_no_kvm_pit
: {
3515 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3519 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3520 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3522 .driver
= "kvm-pit",
3523 .property
= "lost_tick_policy",
3526 { /* end of list */ }
3529 fprintf(stderr
, "Warning: option deprecated, use "
3530 "lost_tick_policy property of kvm-pit instead.\n");
3531 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3534 case QEMU_OPTION_usb
:
3535 olist
= qemu_find_opts("machine");
3536 qemu_opts_parse(olist
, "usb=on", 0);
3538 case QEMU_OPTION_usbdevice
:
3539 olist
= qemu_find_opts("machine");
3540 qemu_opts_parse(olist
, "usb=on", 0);
3541 add_device_config(DEV_USB
, optarg
);
3543 case QEMU_OPTION_device
:
3544 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3548 case QEMU_OPTION_smp
:
3551 fprintf(stderr
, "Invalid number of CPUs\n");
3554 if (max_cpus
< smp_cpus
) {
3555 fprintf(stderr
, "maxcpus must be equal to or greater than "
3559 if (max_cpus
> 255) {
3560 fprintf(stderr
, "Unsupported number of maxcpus\n");
3564 case QEMU_OPTION_vnc
:
3567 vnc_display
= optarg
;
3569 fprintf(stderr
, "VNC support is disabled\n");
3573 case QEMU_OPTION_no_acpi
:
3576 case QEMU_OPTION_no_hpet
:
3579 case QEMU_OPTION_balloon
:
3580 if (balloon_parse(optarg
) < 0) {
3581 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3585 case QEMU_OPTION_no_reboot
:
3588 case QEMU_OPTION_no_shutdown
:
3591 case QEMU_OPTION_show_cursor
:
3594 case QEMU_OPTION_uuid
:
3595 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3596 fprintf(stderr
, "Fail to parse UUID string."
3597 " Wrong format.\n");
3601 case QEMU_OPTION_option_rom
:
3602 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3603 fprintf(stderr
, "Too many option ROMs\n");
3606 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3607 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3608 option_rom
[nb_option_roms
].bootindex
=
3609 qemu_opt_get_number(opts
, "bootindex", -1);
3610 if (!option_rom
[nb_option_roms
].name
) {
3611 fprintf(stderr
, "Option ROM file is not specified\n");
3616 case QEMU_OPTION_semihosting
:
3617 semihosting_enabled
= 1;
3619 case QEMU_OPTION_tdf
:
3620 fprintf(stderr
, "Warning: user space PIT time drift fix "
3621 "is no longer supported.\n");
3623 case QEMU_OPTION_name
:
3624 qemu_name
= g_strdup(optarg
);
3626 char *p
= strchr(qemu_name
, ',');
3629 if (strncmp(p
, "process=", 8)) {
3630 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3634 os_set_proc_name(p
);
3638 case QEMU_OPTION_prom_env
:
3639 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3640 fprintf(stderr
, "Too many prom variables\n");
3643 prom_envs
[nb_prom_envs
] = optarg
;
3646 case QEMU_OPTION_old_param
:
3649 case QEMU_OPTION_clock
:
3650 configure_alarms(optarg
);
3652 case QEMU_OPTION_startdate
:
3653 configure_rtc_date_offset(optarg
, 1);
3655 case QEMU_OPTION_rtc
:
3656 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3660 configure_rtc(opts
);
3662 case QEMU_OPTION_tb_size
:
3663 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3664 if (tcg_tb_size
< 0) {
3668 case QEMU_OPTION_icount
:
3669 icount_option
= optarg
;
3671 case QEMU_OPTION_incoming
:
3673 runstate_set(RUN_STATE_INMIGRATE
);
3675 case QEMU_OPTION_nodefaults
:
3677 default_parallel
= 0;
3678 default_virtcon
= 0;
3680 default_monitor
= 0;
3687 case QEMU_OPTION_xen_domid
:
3688 if (!(xen_available())) {
3689 printf("Option %s not supported for this target\n", popt
->name
);
3692 xen_domid
= atoi(optarg
);
3694 case QEMU_OPTION_xen_create
:
3695 if (!(xen_available())) {
3696 printf("Option %s not supported for this target\n", popt
->name
);
3699 xen_mode
= XEN_CREATE
;
3701 case QEMU_OPTION_xen_attach
:
3702 if (!(xen_available())) {
3703 printf("Option %s not supported for this target\n", popt
->name
);
3706 xen_mode
= XEN_ATTACH
;
3708 case QEMU_OPTION_trace
:
3710 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3714 trace_events
= qemu_opt_get(opts
, "events");
3715 trace_file
= qemu_opt_get(opts
, "file");
3718 case QEMU_OPTION_readconfig
:
3720 int ret
= qemu_read_config_file(optarg
);
3722 fprintf(stderr
, "read config %s: %s\n", optarg
,
3728 case QEMU_OPTION_spice
:
3729 olist
= qemu_find_opts("spice");
3731 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3734 opts
= qemu_opts_parse(olist
, optarg
, 0);
3736 fprintf(stderr
, "parse error: %s\n", optarg
);
3740 case QEMU_OPTION_writeconfig
:
3743 if (strcmp(optarg
, "-") == 0) {
3746 fp
= fopen(optarg
, "w");
3748 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3752 qemu_config_write(fp
);
3756 case QEMU_OPTION_qtest
:
3757 qtest_chrdev
= optarg
;
3759 case QEMU_OPTION_qtest_log
:
3762 case QEMU_OPTION_sandbox
:
3763 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3768 case QEMU_OPTION_add_fd
:
3770 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3775 error_report("File descriptor passing is disabled on this "
3780 case QEMU_OPTION_object
:
3781 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3784 os_parse_cmd_args(popt
->index
, optarg
);
3790 if (qemu_init_main_loop()) {
3791 fprintf(stderr
, "qemu_init_main_loop failed\n");
3795 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3800 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3804 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3809 if (machine
== NULL
) {
3810 fprintf(stderr
, "No machine found.\n");
3814 if (machine
->hw_version
) {
3815 qemu_set_version(machine
->hw_version
);
3818 if (qemu_opts_foreach(qemu_find_opts("object"),
3819 object_create
, NULL
, 0) != 0) {
3823 /* Init CPU def lists, based on config
3824 * - Must be called after all the qemu_read_config_file() calls
3825 * - Must be called before list_cpus()
3826 * - Must be called before machine->init()
3830 if (cpu_model
&& is_help_option(cpu_model
)) {
3831 list_cpus(stdout
, &fprintf
, cpu_model
);
3835 /* Open the logfile at this point, if necessary. We can't open the logfile
3836 * when encountering either of the logging options (-d or -D) because the
3837 * other one may be encountered later on the command line, changing the
3838 * location or level of logging.
3842 set_cpu_log_filename(log_file
);
3844 set_cpu_log(log_mask
);
3847 if (!trace_backend_init(trace_events
, trace_file
)) {
3851 /* If no data_dir is specified then try to find it relative to the
3854 data_dir
= os_find_datadir(argv
[0]);
3856 /* If all else fails use the install path specified when building. */
3858 data_dir
= CONFIG_QEMU_DATADIR
;
3862 * Default to max_cpus = smp_cpus, in case the user doesn't
3863 * specify a max_cpus value.
3866 max_cpus
= smp_cpus
;
3868 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3869 if (smp_cpus
> machine
->max_cpus
) {
3870 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3871 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3877 * Get the default machine options from the machine if it is not already
3878 * specified either by the configuration file or by the command line.
3880 if (machine
->default_machine_opts
) {
3881 qemu_opts_set_defaults(qemu_find_opts("machine"),
3882 machine
->default_machine_opts
, 0);
3885 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3886 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3888 if (machine
->no_serial
) {
3891 if (machine
->no_parallel
) {
3892 default_parallel
= 0;
3894 if (!machine
->use_virtcon
) {
3895 default_virtcon
= 0;
3897 if (!machine
->use_sclp
) {
3900 if (machine
->no_floppy
) {
3903 if (machine
->no_cdrom
) {
3906 if (machine
->no_sdcard
) {
3910 if (is_daemonized()) {
3911 /* According to documentation and historically, -nographic redirects
3912 * serial port, parallel port and monitor to stdio, which does not work
3913 * with -daemonize. We can redirect these to null instead, but since
3914 * -nographic is legacy, let's just error out.
3915 * We disallow -nographic only if all other ports are not redirected
3916 * explicitly, to not break existing legacy setups which uses
3917 * -nographic _and_ redirects all ports explicitly - this is valid
3918 * usage, -nographic is just a no-op in this case.
3920 if (display_type
== DT_NOGRAPHIC
3921 && (default_parallel
|| default_serial
3922 || default_monitor
|| default_virtcon
)) {
3923 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3926 #ifdef CONFIG_CURSES
3927 if (display_type
== DT_CURSES
) {
3928 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3934 if (display_type
== DT_NOGRAPHIC
) {
3935 if (default_parallel
)
3936 add_device_config(DEV_PARALLEL
, "null");
3937 if (default_serial
&& default_monitor
) {
3938 add_device_config(DEV_SERIAL
, "mon:stdio");
3939 } else if (default_virtcon
&& default_monitor
) {
3940 add_device_config(DEV_VIRTCON
, "mon:stdio");
3941 } else if (default_sclp
&& default_monitor
) {
3942 add_device_config(DEV_SCLP
, "mon:stdio");
3945 add_device_config(DEV_SERIAL
, "stdio");
3946 if (default_virtcon
)
3947 add_device_config(DEV_VIRTCON
, "stdio");
3949 add_device_config(DEV_SCLP
, "stdio");
3951 if (default_monitor
)
3952 monitor_parse("stdio", "readline");
3956 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3957 if (default_parallel
)
3958 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3959 if (default_monitor
)
3960 monitor_parse("vc:80Cx24C", "readline");
3961 if (default_virtcon
)
3962 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3964 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3970 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3972 #ifdef CONFIG_VIRTFS
3973 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3980 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3985 /* init the memory */
3986 if (ram_size
== 0) {
3987 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3990 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
3995 configure_accelerator();
3997 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
3999 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4000 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4001 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4003 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4006 if (!kernel_cmdline
) {
4007 kernel_cmdline
= "";
4010 linux_boot
= (kernel_filename
!= NULL
);
4012 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4013 fprintf(stderr
, "-append only allowed with -kernel option\n");
4017 if (!linux_boot
&& initrd_filename
!= NULL
) {
4018 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4022 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4023 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4027 os_set_line_buffering();
4029 qemu_init_cpu_loop();
4030 qemu_mutex_lock_iothread();
4033 /* spice needs the timers to be initialized by this point */
4037 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4038 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4041 configure_icount(icount_option
);
4043 /* clean up network at qemu process termination */
4044 atexit(&net_cleanup
);
4046 if (net_init_clients() < 0) {
4050 /* init the bluetooth world */
4051 if (foreach_device_config(DEV_BT
, bt_parse
))
4054 if (!xen_enabled()) {
4055 /* On 32-bit hosts, QEMU is limited by virtual address space */
4056 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4057 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4062 cpu_exec_init_all();
4064 bdrv_init_with_whitelist();
4068 /* open the virtual block devices */
4070 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4071 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4072 &machine
->block_default_type
, 1) != 0) {
4076 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4078 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4079 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4081 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4083 if (nb_numa_nodes
> 0) {
4086 if (nb_numa_nodes
> MAX_NODES
) {
4087 nb_numa_nodes
= MAX_NODES
;
4090 /* If no memory size if given for any node, assume the default case
4091 * and distribute the available memory equally across all nodes
4093 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4094 if (node_mem
[i
] != 0)
4097 if (i
== nb_numa_nodes
) {
4098 uint64_t usedmem
= 0;
4100 /* On Linux, the each node's border has to be 8MB aligned,
4101 * the final node gets the rest.
4103 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4104 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4105 usedmem
+= node_mem
[i
];
4107 node_mem
[i
] = ram_size
- usedmem
;
4110 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4111 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4115 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4116 * must cope with this anyway, because there are BIOSes out there in
4117 * real machines which also use this scheme.
4119 if (i
== nb_numa_nodes
) {
4120 for (i
= 0; i
< max_cpus
; i
++) {
4121 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4126 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4130 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4132 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4134 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4136 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4139 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4142 /* If no default VGA is requested, the default is "none". */
4144 if (cirrus_vga_available()) {
4145 vga_model
= "cirrus";
4146 } else if (vga_available()) {
4150 select_vgahw(vga_model
);
4153 i
= select_watchdog(watchdog
);
4155 exit (i
== 1 ? 1 : 0);
4158 if (machine
->compat_props
) {
4159 qdev_prop_register_global_list(machine
->compat_props
);
4163 qdev_machine_init();
4165 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4166 .boot_device
= (boot_devices
[0] == '\0') ?
4167 machine
->boot_order
:
4169 .kernel_filename
= kernel_filename
,
4170 .kernel_cmdline
= kernel_cmdline
,
4171 .initrd_filename
= initrd_filename
,
4172 .cpu_model
= cpu_model
};
4173 machine
->init(&args
);
4175 cpu_synchronize_all_post_init();
4179 current_machine
= machine
;
4181 /* init USB devices */
4182 if (usb_enabled(false)) {
4183 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4187 /* init generic devices */
4188 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4191 net_check_clients();
4193 /* just use the first displaystate for the moment */
4194 ds
= get_displaystate();
4198 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4199 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4200 display_type
= DT_SDL
;
4201 #elif defined(CONFIG_VNC)
4202 vnc_display
= "localhost:0,to=99";
4205 display_type
= DT_NONE
;
4210 /* init local displays */
4211 switch (display_type
) {
4214 #if defined(CONFIG_CURSES)
4216 curses_display_init(ds
, full_screen
);
4219 #if defined(CONFIG_SDL)
4221 sdl_display_init(ds
, full_screen
, no_frame
);
4223 #elif defined(CONFIG_COCOA)
4225 cocoa_display_init(ds
, full_screen
);
4232 /* must be after terminal init, SDL library changes signal handlers */
4233 os_setup_signal_handling();
4236 /* init remote displays */
4238 Error
*local_err
= NULL
;
4239 vnc_display_init(ds
);
4240 vnc_display_open(ds
, vnc_display
, &local_err
);
4241 if (local_err
!= NULL
) {
4242 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4243 vnc_display
, error_get_pretty(local_err
));
4244 error_free(local_err
);
4248 if (show_vnc_port
) {
4249 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4254 if (using_spice
&& !qxl_enabled
) {
4255 qemu_spice_display_init(ds
);
4260 text_consoles_set_display(ds
);
4262 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4266 qdev_machine_creation_done();
4268 if (rom_load_all() != 0) {
4269 fprintf(stderr
, "rom loading failed\n");
4273 /* TODO: once all bus devices are qdevified, this should be done
4274 * when bus is created by qdev.c */
4275 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4276 qemu_run_machine_init_done_notifiers();
4278 qemu_system_reset(VMRESET_SILENT
);
4280 if (load_vmstate(loadvm
) < 0) {
4286 Error
*local_err
= NULL
;
4287 qemu_start_incoming_migration(incoming
, &local_err
);
4289 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4290 error_free(local_err
);
4293 } else if (autostart
) {