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 /* Empty CPU range strings will be considered valid, they will simply
1253 * not set any bit in the CPU bitmap.
1259 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1262 if (*endptr
== '-') {
1263 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1266 } else if (*endptr
== '\0') {
1272 if (endvalue
>= MAX_CPUMASK_BITS
) {
1273 endvalue
= MAX_CPUMASK_BITS
- 1;
1275 "qemu: NUMA: A max of %d VCPUs are supported\n",
1279 if (endvalue
< value
) {
1283 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1287 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1291 static void numa_add(const char *optarg
)
1295 unsigned long long nodenr
;
1297 optarg
= get_opt_name(option
, 128, optarg
, ',');
1298 if (*optarg
== ',') {
1301 if (!strcmp(option
, "node")) {
1303 if (nb_numa_nodes
>= MAX_NODES
) {
1304 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1308 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1309 nodenr
= nb_numa_nodes
;
1311 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1312 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1317 if (nodenr
>= MAX_NODES
) {
1318 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1322 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1323 node_mem
[nodenr
] = 0;
1326 sval
= strtosz(option
, &endptr
);
1327 if (sval
< 0 || *endptr
) {
1328 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1331 node_mem
[nodenr
] = sval
;
1333 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1334 numa_node_parse_cpus(nodenr
, option
);
1338 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1343 static void smp_parse(const char *optarg
)
1345 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1349 smp
= strtoul(optarg
, &endptr
, 10);
1350 if (endptr
!= optarg
) {
1351 if (*endptr
== ',') {
1355 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1356 sockets
= strtoull(option
, NULL
, 10);
1357 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1358 cores
= strtoull(option
, NULL
, 10);
1359 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1360 threads
= strtoull(option
, NULL
, 10);
1361 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1362 max_cpus
= strtoull(option
, NULL
, 10);
1364 /* compute missing values, prefer sockets over cores over threads */
1365 if (smp
== 0 || sockets
== 0) {
1366 sockets
= sockets
> 0 ? sockets
: 1;
1367 cores
= cores
> 0 ? cores
: 1;
1368 threads
= threads
> 0 ? threads
: 1;
1370 smp
= cores
* threads
* sockets
;
1374 threads
= threads
> 0 ? threads
: 1;
1375 cores
= smp
/ (sockets
* threads
);
1377 threads
= smp
/ (cores
* sockets
);
1381 smp_cores
= cores
> 0 ? cores
: 1;
1382 smp_threads
= threads
> 0 ? threads
: 1;
1384 max_cpus
= smp_cpus
;
1387 /***********************************************************/
1390 static int usb_device_add(const char *devname
)
1393 USBDevice
*dev
= NULL
;
1395 if (!usb_enabled(false)) {
1399 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400 dev
= usbdevice_create(devname
);
1404 /* the other ones */
1405 #ifndef CONFIG_LINUX
1406 /* only the linux version is qdev-ified, usb-bsd still needs this */
1407 if (strstart(devname
, "host:", &p
)) {
1408 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1411 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1412 dev
= usb_bt_init(usb_bus_find(-1),
1413 devname
[2] ? hci_init(p
)
1414 : bt_new_hci(qemu_find_bt_vlan(0)));
1425 static int usb_device_del(const char *devname
)
1430 if (strstart(devname
, "host:", &p
))
1431 return usb_host_device_close(p
);
1433 if (!usb_enabled(false)) {
1437 p
= strchr(devname
, '.');
1440 bus_num
= strtoul(devname
, NULL
, 0);
1441 addr
= strtoul(p
+ 1, NULL
, 0);
1443 return usb_device_delete_addr(bus_num
, addr
);
1446 static int usb_parse(const char *cmdline
)
1449 r
= usb_device_add(cmdline
);
1451 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1456 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1458 const char *devname
= qdict_get_str(qdict
, "devname");
1459 if (usb_device_add(devname
) < 0) {
1460 error_report("could not add USB device '%s'", devname
);
1464 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1466 const char *devname
= qdict_get_str(qdict
, "devname");
1467 if (usb_device_del(devname
) < 0) {
1468 error_report("could not delete USB device '%s'", devname
);
1472 /***********************************************************/
1473 /* PCMCIA/Cardbus */
1475 static struct pcmcia_socket_entry_s
{
1476 PCMCIASocket
*socket
;
1477 struct pcmcia_socket_entry_s
*next
;
1478 } *pcmcia_sockets
= 0;
1480 void pcmcia_socket_register(PCMCIASocket
*socket
)
1482 struct pcmcia_socket_entry_s
*entry
;
1484 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1485 entry
->socket
= socket
;
1486 entry
->next
= pcmcia_sockets
;
1487 pcmcia_sockets
= entry
;
1490 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1492 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1494 ptr
= &pcmcia_sockets
;
1495 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1496 if (entry
->socket
== socket
) {
1502 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1504 struct pcmcia_socket_entry_s
*iter
;
1506 if (!pcmcia_sockets
)
1507 monitor_printf(mon
, "No PCMCIA sockets\n");
1509 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1510 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1511 iter
->socket
->attached
? iter
->socket
->card_string
:
1515 /***********************************************************/
1516 /* machine registration */
1518 static QEMUMachine
*first_machine
= NULL
;
1519 QEMUMachine
*current_machine
= NULL
;
1521 int qemu_register_machine(QEMUMachine
*m
)
1524 pm
= &first_machine
;
1532 static QEMUMachine
*find_machine(const char *name
)
1536 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1537 if (!strcmp(m
->name
, name
))
1539 if (m
->alias
&& !strcmp(m
->alias
, name
))
1545 QEMUMachine
*find_default_machine(void)
1549 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1550 if (m
->is_default
) {
1557 MachineInfoList
*qmp_query_machines(Error
**errp
)
1559 MachineInfoList
*mach_list
= NULL
;
1562 for (m
= first_machine
; m
; m
= m
->next
) {
1563 MachineInfoList
*entry
;
1566 info
= g_malloc0(sizeof(*info
));
1567 if (m
->is_default
) {
1568 info
->has_is_default
= true;
1569 info
->is_default
= true;
1573 info
->has_alias
= true;
1574 info
->alias
= g_strdup(m
->alias
);
1577 info
->name
= g_strdup(m
->name
);
1579 entry
= g_malloc0(sizeof(*entry
));
1580 entry
->value
= info
;
1581 entry
->next
= mach_list
;
1588 /***********************************************************/
1589 /* main execution loop */
1591 static void gui_update(void *opaque
)
1593 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1594 DisplayState
*ds
= opaque
;
1595 DisplayChangeListener
*dcl
;
1599 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1600 if (dcl
->gui_timer_interval
&&
1601 dcl
->gui_timer_interval
< interval
)
1602 interval
= dcl
->gui_timer_interval
;
1604 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1607 void gui_setup_refresh(DisplayState
*ds
)
1609 DisplayChangeListener
*dcl
;
1610 bool need_timer
= false;
1611 bool have_gfx
= false;
1612 bool have_text
= false;
1614 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1615 if (dcl
->dpy_refresh
!= NULL
) {
1618 if (dcl
->dpy_gfx_update
!= NULL
) {
1621 if (dcl
->dpy_text_update
!= NULL
) {
1626 if (need_timer
&& ds
->gui_timer
== NULL
) {
1627 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
1628 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
1630 if (!need_timer
&& ds
->gui_timer
!= NULL
) {
1631 qemu_del_timer(ds
->gui_timer
);
1632 qemu_free_timer(ds
->gui_timer
);
1633 ds
->gui_timer
= NULL
;
1636 ds
->have_gfx
= have_gfx
;
1637 ds
->have_text
= have_text
;
1640 struct vm_change_state_entry
{
1641 VMChangeStateHandler
*cb
;
1643 QLIST_ENTRY (vm_change_state_entry
) entries
;
1646 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1648 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1651 VMChangeStateEntry
*e
;
1653 e
= g_malloc0(sizeof (*e
));
1657 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1661 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1663 QLIST_REMOVE (e
, entries
);
1667 void vm_state_notify(int running
, RunState state
)
1669 VMChangeStateEntry
*e
;
1671 trace_vm_state_notify(running
, state
);
1673 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1674 e
->cb(e
->opaque
, running
, state
);
1680 if (!runstate_is_running()) {
1682 runstate_set(RUN_STATE_RUNNING
);
1683 vm_state_notify(1, RUN_STATE_RUNNING
);
1685 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1689 /* reset/shutdown handler */
1691 typedef struct QEMUResetEntry
{
1692 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1693 QEMUResetHandler
*func
;
1697 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1698 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1699 static int reset_requested
;
1700 static int shutdown_requested
, shutdown_signal
= -1;
1701 static pid_t shutdown_pid
;
1702 static int powerdown_requested
;
1703 static int debug_requested
;
1704 static int suspend_requested
;
1705 static int wakeup_requested
;
1706 static NotifierList powerdown_notifiers
=
1707 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1708 static NotifierList suspend_notifiers
=
1709 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1710 static NotifierList wakeup_notifiers
=
1711 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1712 static uint32_t wakeup_reason_mask
= ~0;
1713 static RunState vmstop_requested
= RUN_STATE_MAX
;
1715 int qemu_shutdown_requested_get(void)
1717 return shutdown_requested
;
1720 int qemu_reset_requested_get(void)
1722 return reset_requested
;
1725 static int qemu_shutdown_requested(void)
1727 int r
= shutdown_requested
;
1728 shutdown_requested
= 0;
1732 static void qemu_kill_report(void)
1734 if (!qtest_enabled() && shutdown_signal
!= -1) {
1735 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1736 if (shutdown_pid
== 0) {
1737 /* This happens for eg ^C at the terminal, so it's worth
1738 * avoiding printing an odd message in that case.
1740 fputc('\n', stderr
);
1742 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1744 shutdown_signal
= -1;
1748 static int qemu_reset_requested(void)
1750 int r
= reset_requested
;
1751 reset_requested
= 0;
1755 static int qemu_suspend_requested(void)
1757 int r
= suspend_requested
;
1758 suspend_requested
= 0;
1762 static int qemu_wakeup_requested(void)
1764 int r
= wakeup_requested
;
1765 wakeup_requested
= 0;
1769 static int qemu_powerdown_requested(void)
1771 int r
= powerdown_requested
;
1772 powerdown_requested
= 0;
1776 static int qemu_debug_requested(void)
1778 int r
= debug_requested
;
1779 debug_requested
= 0;
1783 /* We use RUN_STATE_MAX but any invalid value will do */
1784 static bool qemu_vmstop_requested(RunState
*r
)
1786 if (vmstop_requested
< RUN_STATE_MAX
) {
1787 *r
= vmstop_requested
;
1788 vmstop_requested
= RUN_STATE_MAX
;
1795 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1797 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1800 re
->opaque
= opaque
;
1801 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1804 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1808 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1809 if (re
->func
== func
&& re
->opaque
== opaque
) {
1810 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1817 void qemu_devices_reset(void)
1819 QEMUResetEntry
*re
, *nre
;
1821 /* reset all devices */
1822 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1823 re
->func(re
->opaque
);
1827 void qemu_system_reset(bool report
)
1829 if (current_machine
&& current_machine
->reset
) {
1830 current_machine
->reset();
1832 qemu_devices_reset();
1835 monitor_protocol_event(QEVENT_RESET
, NULL
);
1837 cpu_synchronize_all_post_reset();
1840 void qemu_system_reset_request(void)
1843 shutdown_requested
= 1;
1845 reset_requested
= 1;
1848 qemu_notify_event();
1851 static void qemu_system_suspend(void)
1854 notifier_list_notify(&suspend_notifiers
, NULL
);
1855 runstate_set(RUN_STATE_SUSPENDED
);
1856 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1859 void qemu_system_suspend_request(void)
1861 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1864 suspend_requested
= 1;
1866 qemu_notify_event();
1869 void qemu_register_suspend_notifier(Notifier
*notifier
)
1871 notifier_list_add(&suspend_notifiers
, notifier
);
1874 void qemu_system_wakeup_request(WakeupReason reason
)
1876 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1879 if (!(wakeup_reason_mask
& (1 << reason
))) {
1882 runstate_set(RUN_STATE_RUNNING
);
1883 notifier_list_notify(&wakeup_notifiers
, &reason
);
1884 wakeup_requested
= 1;
1885 qemu_notify_event();
1888 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1891 wakeup_reason_mask
|= (1 << reason
);
1893 wakeup_reason_mask
&= ~(1 << reason
);
1897 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1899 notifier_list_add(&wakeup_notifiers
, notifier
);
1902 void qemu_system_killed(int signal
, pid_t pid
)
1904 shutdown_signal
= signal
;
1907 qemu_system_shutdown_request();
1910 void qemu_system_shutdown_request(void)
1912 shutdown_requested
= 1;
1913 qemu_notify_event();
1916 static void qemu_system_powerdown(void)
1918 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1919 notifier_list_notify(&powerdown_notifiers
, NULL
);
1922 void qemu_system_powerdown_request(void)
1924 powerdown_requested
= 1;
1925 qemu_notify_event();
1928 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1930 notifier_list_add(&powerdown_notifiers
, notifier
);
1933 void qemu_system_debug_request(void)
1935 debug_requested
= 1;
1936 qemu_notify_event();
1939 void qemu_system_vmstop_request(RunState state
)
1941 vmstop_requested
= state
;
1942 qemu_notify_event();
1945 static bool main_loop_should_exit(void)
1948 if (qemu_debug_requested()) {
1949 vm_stop(RUN_STATE_DEBUG
);
1951 if (qemu_suspend_requested()) {
1952 qemu_system_suspend();
1954 if (qemu_shutdown_requested()) {
1956 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1958 vm_stop(RUN_STATE_SHUTDOWN
);
1963 if (qemu_reset_requested()) {
1965 cpu_synchronize_all_states();
1966 qemu_system_reset(VMRESET_REPORT
);
1968 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1969 runstate_check(RUN_STATE_SHUTDOWN
)) {
1970 runstate_set(RUN_STATE_PAUSED
);
1973 if (qemu_wakeup_requested()) {
1975 cpu_synchronize_all_states();
1976 qemu_system_reset(VMRESET_SILENT
);
1978 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1980 if (qemu_powerdown_requested()) {
1981 qemu_system_powerdown();
1983 if (qemu_vmstop_requested(&r
)) {
1989 static void main_loop(void)
1993 #ifdef CONFIG_PROFILER
1997 nonblocking
= !kvm_enabled() && last_io
> 0;
1998 #ifdef CONFIG_PROFILER
1999 ti
= profile_getclock();
2001 last_io
= main_loop_wait(nonblocking
);
2002 #ifdef CONFIG_PROFILER
2003 dev_time
+= profile_getclock() - ti
;
2005 } while (!main_loop_should_exit());
2008 static void version(void)
2010 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2013 static void help(int exitcode
)
2016 printf("usage: %s [options] [disk_image]\n\n"
2017 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2018 error_get_progname());
2020 #define QEMU_OPTIONS_GENERATE_HELP
2021 #include "qemu-options-wrapper.h"
2023 printf("\nDuring emulation, the following keys are useful:\n"
2024 "ctrl-alt-f toggle full screen\n"
2025 "ctrl-alt-n switch to virtual console 'n'\n"
2026 "ctrl-alt toggle mouse and keyboard grab\n"
2028 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2033 #define HAS_ARG 0x0001
2035 typedef struct QEMUOption
{
2042 static const QEMUOption qemu_options
[] = {
2043 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2044 #define QEMU_OPTIONS_GENERATE_OPTIONS
2045 #include "qemu-options-wrapper.h"
2049 static bool vga_available(void)
2051 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2054 static bool cirrus_vga_available(void)
2056 return object_class_by_name("cirrus-vga")
2057 || object_class_by_name("isa-cirrus-vga");
2060 static bool vmware_vga_available(void)
2062 return object_class_by_name("vmware-svga");
2065 static bool qxl_vga_available(void)
2067 return object_class_by_name("qxl-vga");
2070 static void select_vgahw (const char *p
)
2074 vga_interface_type
= VGA_NONE
;
2075 if (strstart(p
, "std", &opts
)) {
2076 if (vga_available()) {
2077 vga_interface_type
= VGA_STD
;
2079 fprintf(stderr
, "Error: standard VGA not available\n");
2082 } else if (strstart(p
, "cirrus", &opts
)) {
2083 if (cirrus_vga_available()) {
2084 vga_interface_type
= VGA_CIRRUS
;
2086 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2089 } else if (strstart(p
, "vmware", &opts
)) {
2090 if (vmware_vga_available()) {
2091 vga_interface_type
= VGA_VMWARE
;
2093 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2096 } else if (strstart(p
, "xenfb", &opts
)) {
2097 vga_interface_type
= VGA_XENFB
;
2098 } else if (strstart(p
, "qxl", &opts
)) {
2099 if (qxl_vga_available()) {
2100 vga_interface_type
= VGA_QXL
;
2102 fprintf(stderr
, "Error: QXL VGA not available\n");
2105 } else if (!strstart(p
, "none", &opts
)) {
2107 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2111 const char *nextopt
;
2113 if (strstart(opts
, ",retrace=", &nextopt
)) {
2115 if (strstart(opts
, "dumb", &nextopt
))
2116 vga_retrace_method
= VGA_RETRACE_DUMB
;
2117 else if (strstart(opts
, "precise", &nextopt
))
2118 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2119 else goto invalid_vga
;
2120 } else goto invalid_vga
;
2125 static DisplayType
select_display(const char *p
)
2128 DisplayType display
= DT_DEFAULT
;
2130 if (strstart(p
, "sdl", &opts
)) {
2134 const char *nextopt
;
2136 if (strstart(opts
, ",frame=", &nextopt
)) {
2138 if (strstart(opts
, "on", &nextopt
)) {
2140 } else if (strstart(opts
, "off", &nextopt
)) {
2143 goto invalid_sdl_args
;
2145 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2147 if (strstart(opts
, "on", &nextopt
)) {
2149 } else if (strstart(opts
, "off", &nextopt
)) {
2152 goto invalid_sdl_args
;
2154 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2156 if (strstart(opts
, "on", &nextopt
)) {
2158 } else if (strstart(opts
, "off", &nextopt
)) {
2161 goto invalid_sdl_args
;
2163 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2165 if (strstart(opts
, "on", &nextopt
)) {
2167 } else if (strstart(opts
, "off", &nextopt
)) {
2170 goto invalid_sdl_args
;
2174 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2180 fprintf(stderr
, "SDL support is disabled\n");
2183 } else if (strstart(p
, "vnc", &opts
)) {
2188 const char *nextopt
;
2190 if (strstart(opts
, "=", &nextopt
)) {
2191 vnc_display
= nextopt
;
2195 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2199 fprintf(stderr
, "VNC support is disabled\n");
2202 } else if (strstart(p
, "curses", &opts
)) {
2203 #ifdef CONFIG_CURSES
2204 display
= DT_CURSES
;
2206 fprintf(stderr
, "Curses support is disabled\n");
2209 } else if (strstart(p
, "none", &opts
)) {
2212 fprintf(stderr
, "Unknown display type: %s\n", p
);
2219 static int balloon_parse(const char *arg
)
2223 if (strcmp(arg
, "none") == 0) {
2227 if (!strncmp(arg
, "virtio", 6)) {
2228 if (arg
[6] == ',') {
2229 /* have params -> parse them */
2230 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2234 /* create empty opts */
2235 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2237 qemu_opt_set(opts
, "driver", "virtio-balloon");
2244 char *qemu_find_file(int type
, const char *name
)
2250 /* Try the name as a straight path first */
2251 if (access(name
, R_OK
) == 0) {
2252 return g_strdup(name
);
2255 case QEMU_FILE_TYPE_BIOS
:
2258 case QEMU_FILE_TYPE_KEYMAP
:
2259 subdir
= "keymaps/";
2264 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
2265 buf
= g_malloc0(len
);
2266 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
2267 if (access(buf
, R_OK
)) {
2274 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2276 return qdev_device_help(opts
);
2279 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2283 dev
= qdev_device_add(opts
);
2286 object_unref(OBJECT(dev
));
2290 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2292 Error
*local_err
= NULL
;
2294 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2295 if (error_is_set(&local_err
)) {
2296 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2297 error_free(local_err
);
2303 #ifdef CONFIG_VIRTFS
2304 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2307 ret
= qemu_fsdev_add(opts
);
2313 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2315 CharDriverState
*chr
;
2316 const char *chardev
;
2320 mode
= qemu_opt_get(opts
, "mode");
2324 if (strcmp(mode
, "readline") == 0) {
2325 flags
= MONITOR_USE_READLINE
;
2326 } else if (strcmp(mode
, "control") == 0) {
2327 flags
= MONITOR_USE_CONTROL
;
2329 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2333 if (qemu_opt_get_bool(opts
, "pretty", 0))
2334 flags
|= MONITOR_USE_PRETTY
;
2336 if (qemu_opt_get_bool(opts
, "default", 0))
2337 flags
|= MONITOR_IS_DEFAULT
;
2339 chardev
= qemu_opt_get(opts
, "chardev");
2340 chr
= qemu_chr_find(chardev
);
2342 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2346 monitor_init(chr
, flags
);
2350 static void monitor_parse(const char *optarg
, const char *mode
)
2352 static int monitor_device_index
= 0;
2358 if (strstart(optarg
, "chardev:", &p
)) {
2359 snprintf(label
, sizeof(label
), "%s", p
);
2361 snprintf(label
, sizeof(label
), "compat_monitor%d",
2362 monitor_device_index
);
2363 if (monitor_device_index
== 0) {
2366 opts
= qemu_chr_parse_compat(label
, optarg
);
2368 fprintf(stderr
, "parse error: %s\n", optarg
);
2373 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2375 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2378 qemu_opt_set(opts
, "mode", mode
);
2379 qemu_opt_set(opts
, "chardev", label
);
2381 qemu_opt_set(opts
, "default", "on");
2382 monitor_device_index
++;
2385 struct device_config
{
2387 DEV_USB
, /* -usbdevice */
2389 DEV_SERIAL
, /* -serial */
2390 DEV_PARALLEL
, /* -parallel */
2391 DEV_VIRTCON
, /* -virtioconsole */
2392 DEV_DEBUGCON
, /* -debugcon */
2393 DEV_GDB
, /* -gdb, -s */
2394 DEV_SCLP
, /* s390 sclp */
2396 const char *cmdline
;
2398 QTAILQ_ENTRY(device_config
) next
;
2401 static QTAILQ_HEAD(, device_config
) device_configs
=
2402 QTAILQ_HEAD_INITIALIZER(device_configs
);
2404 static void add_device_config(int type
, const char *cmdline
)
2406 struct device_config
*conf
;
2408 conf
= g_malloc0(sizeof(*conf
));
2410 conf
->cmdline
= cmdline
;
2411 loc_save(&conf
->loc
);
2412 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2415 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2417 struct device_config
*conf
;
2420 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2421 if (conf
->type
!= type
)
2423 loc_push_restore(&conf
->loc
);
2424 rc
= func(conf
->cmdline
);
2425 loc_pop(&conf
->loc
);
2432 static int serial_parse(const char *devname
)
2434 static int index
= 0;
2437 if (strcmp(devname
, "none") == 0)
2439 if (index
== MAX_SERIAL_PORTS
) {
2440 fprintf(stderr
, "qemu: too many serial ports\n");
2443 snprintf(label
, sizeof(label
), "serial%d", index
);
2444 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2445 if (!serial_hds
[index
]) {
2446 fprintf(stderr
, "qemu: could not connect serial device"
2447 " to character backend '%s'\n", devname
);
2454 static int parallel_parse(const char *devname
)
2456 static int index
= 0;
2459 if (strcmp(devname
, "none") == 0)
2461 if (index
== MAX_PARALLEL_PORTS
) {
2462 fprintf(stderr
, "qemu: too many parallel ports\n");
2465 snprintf(label
, sizeof(label
), "parallel%d", index
);
2466 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2467 if (!parallel_hds
[index
]) {
2468 fprintf(stderr
, "qemu: could not connect parallel device"
2469 " to character backend '%s'\n", devname
);
2476 static int virtcon_parse(const char *devname
)
2478 QemuOptsList
*device
= qemu_find_opts("device");
2479 static int index
= 0;
2481 QemuOpts
*bus_opts
, *dev_opts
;
2483 if (strcmp(devname
, "none") == 0)
2485 if (index
== MAX_VIRTIO_CONSOLES
) {
2486 fprintf(stderr
, "qemu: too many virtio consoles\n");
2490 bus_opts
= qemu_opts_create_nofail(device
);
2491 if (arch_type
== QEMU_ARCH_S390X
) {
2492 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2494 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2497 dev_opts
= qemu_opts_create_nofail(device
);
2498 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2500 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2501 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2502 if (!virtcon_hds
[index
]) {
2503 fprintf(stderr
, "qemu: could not connect virtio console"
2504 " to character backend '%s'\n", devname
);
2507 qemu_opt_set(dev_opts
, "chardev", label
);
2513 static int sclp_parse(const char *devname
)
2515 QemuOptsList
*device
= qemu_find_opts("device");
2516 static int index
= 0;
2520 if (strcmp(devname
, "none") == 0) {
2523 if (index
== MAX_SCLP_CONSOLES
) {
2524 fprintf(stderr
, "qemu: too many sclp consoles\n");
2528 assert(arch_type
== QEMU_ARCH_S390X
);
2530 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2531 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2533 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2534 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2535 if (!sclp_hds
[index
]) {
2536 fprintf(stderr
, "qemu: could not connect sclp console"
2537 " to character backend '%s'\n", devname
);
2540 qemu_opt_set(dev_opts
, "chardev", label
);
2546 static int debugcon_parse(const char *devname
)
2550 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2553 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2555 fprintf(stderr
, "qemu: already have a debugcon device\n");
2558 qemu_opt_set(opts
, "driver", "isa-debugcon");
2559 qemu_opt_set(opts
, "chardev", "debugcon");
2563 static QEMUMachine
*machine_parse(const char *name
)
2565 QEMUMachine
*m
, *machine
= NULL
;
2568 machine
= find_machine(name
);
2573 printf("Supported machines are:\n");
2574 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2576 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2578 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2579 m
->is_default
? " (default)" : "");
2581 exit(!name
|| !is_help_option(name
));
2584 static int tcg_init(void)
2586 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2591 const char *opt_name
;
2593 int (*available
)(void);
2597 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2598 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2599 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2600 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2603 static int configure_accelerator(void)
2605 const char *p
= NULL
;
2608 bool accel_initialised
= false;
2609 bool init_failed
= false;
2611 QemuOptsList
*list
= qemu_find_opts("machine");
2612 if (!QTAILQ_EMPTY(&list
->head
)) {
2613 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2617 /* Use the default "accelerator", tcg */
2621 while (!accel_initialised
&& *p
!= '\0') {
2625 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2626 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2627 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2628 if (!accel_list
[i
].available()) {
2629 printf("%s not supported for this target\n",
2630 accel_list
[i
].name
);
2633 *(accel_list
[i
].allowed
) = true;
2634 ret
= accel_list
[i
].init();
2637 fprintf(stderr
, "failed to initialize %s: %s\n",
2640 *(accel_list
[i
].allowed
) = false;
2642 accel_initialised
= true;
2647 if (i
== ARRAY_SIZE(accel_list
)) {
2648 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2652 if (!accel_initialised
) {
2654 fprintf(stderr
, "No accelerator found!\n");
2660 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2663 return !accel_initialised
;
2666 void qemu_add_exit_notifier(Notifier
*notify
)
2668 notifier_list_add(&exit_notifiers
, notify
);
2671 void qemu_remove_exit_notifier(Notifier
*notify
)
2673 notifier_remove(notify
);
2676 static void qemu_run_exit_notifiers(void)
2678 notifier_list_notify(&exit_notifiers
, NULL
);
2681 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2683 notifier_list_add(&machine_init_done_notifiers
, notify
);
2686 static void qemu_run_machine_init_done_notifiers(void)
2688 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2691 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2692 const char **poptarg
, int *poptind
)
2694 const QEMUOption
*popt
;
2695 int optind
= *poptind
;
2696 char *r
= argv
[optind
];
2699 loc_set_cmdline(argv
, optind
, 1);
2701 /* Treat --foo the same as -foo. */
2704 popt
= qemu_options
;
2707 error_report("invalid option");
2710 if (!strcmp(popt
->name
, r
+ 1))
2714 if (popt
->flags
& HAS_ARG
) {
2715 if (optind
>= argc
) {
2716 error_report("requires an argument");
2719 optarg
= argv
[optind
++];
2720 loc_set_cmdline(argv
, optind
- 2, 2);
2731 static gpointer
malloc_and_trace(gsize n_bytes
)
2733 void *ptr
= malloc(n_bytes
);
2734 trace_g_malloc(n_bytes
, ptr
);
2738 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2740 void *ptr
= realloc(mem
, n_bytes
);
2741 trace_g_realloc(mem
, n_bytes
, ptr
);
2745 static void free_and_trace(gpointer mem
)
2751 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2753 Object
*obj
= OBJECT(opaque
);
2754 StringInputVisitor
*siv
;
2755 Error
*local_err
= NULL
;
2757 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2761 siv
= string_input_visitor_new(value
);
2762 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2763 string_input_visitor_cleanup(siv
);
2766 qerror_report_err(local_err
);
2767 error_free(local_err
);
2774 static int object_create(QemuOpts
*opts
, void *opaque
)
2776 const char *type
= qemu_opt_get(opts
, "qom-type");
2777 const char *id
= qemu_opts_id(opts
);
2780 g_assert(type
!= NULL
);
2783 qerror_report(QERR_MISSING_PARAMETER
, "id");
2787 obj
= object_new(type
);
2788 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2792 object_property_add_child(container_get(object_get_root(), "/objects"),
2798 int main(int argc
, char **argv
, char **envp
)
2801 int snapshot
, linux_boot
;
2802 const char *icount_option
= NULL
;
2803 const char *initrd_filename
;
2804 const char *kernel_filename
, *kernel_cmdline
;
2805 char boot_devices
[33] = "";
2807 int cyls
, heads
, secs
, translation
;
2808 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2809 QemuOptsList
*olist
;
2812 const char *loadvm
= NULL
;
2813 QEMUMachine
*machine
;
2814 const char *cpu_model
;
2815 const char *vga_model
= "none";
2816 const char *pid_file
= NULL
;
2817 const char *incoming
= NULL
;
2819 int show_vnc_port
= 0;
2821 bool defconfig
= true;
2822 bool userconfig
= true;
2823 const char *log_mask
= NULL
;
2824 const char *log_file
= NULL
;
2825 GMemVTable mem_trace
= {
2826 .malloc
= malloc_and_trace
,
2827 .realloc
= realloc_and_trace
,
2828 .free
= free_and_trace
,
2830 const char *trace_events
= NULL
;
2831 const char *trace_file
= NULL
;
2833 atexit(qemu_run_exit_notifiers
);
2834 error_set_progname(argv
[0]);
2836 g_mem_set_vtable(&mem_trace
);
2837 if (!g_thread_supported()) {
2838 #if !GLIB_CHECK_VERSION(2, 31, 0)
2839 g_thread_init(NULL
);
2841 fprintf(stderr
, "glib threading failed to initialize.\n");
2846 module_call_init(MODULE_INIT_QOM
);
2848 qemu_add_opts(&qemu_drive_opts
);
2849 qemu_add_opts(&qemu_chardev_opts
);
2850 qemu_add_opts(&qemu_device_opts
);
2851 qemu_add_opts(&qemu_netdev_opts
);
2852 qemu_add_opts(&qemu_net_opts
);
2853 qemu_add_opts(&qemu_rtc_opts
);
2854 qemu_add_opts(&qemu_global_opts
);
2855 qemu_add_opts(&qemu_mon_opts
);
2856 qemu_add_opts(&qemu_trace_opts
);
2857 qemu_add_opts(&qemu_option_rom_opts
);
2858 qemu_add_opts(&qemu_machine_opts
);
2859 qemu_add_opts(&qemu_boot_opts
);
2860 qemu_add_opts(&qemu_sandbox_opts
);
2861 qemu_add_opts(&qemu_add_fd_opts
);
2862 qemu_add_opts(&qemu_object_opts
);
2867 rtc_clock
= host_clock
;
2869 qemu_cache_utils_init(envp
);
2871 QLIST_INIT (&vm_change_state_head
);
2872 os_setup_early_signal_handling();
2874 module_call_init(MODULE_INIT_MACHINE
);
2875 machine
= find_default_machine();
2879 cyls
= heads
= secs
= 0;
2880 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2882 for (i
= 0; i
< MAX_NODES
; i
++) {
2884 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2892 /* first pass of option parsing */
2894 while (optind
< argc
) {
2895 if (argv
[optind
][0] != '-') {
2900 const QEMUOption
*popt
;
2902 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2903 switch (popt
->index
) {
2904 case QEMU_OPTION_nodefconfig
:
2907 case QEMU_OPTION_nouserconfig
:
2916 ret
= qemu_read_default_config_files(userconfig
);
2922 /* second pass of option parsing */
2927 if (argv
[optind
][0] != '-') {
2928 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2930 const QEMUOption
*popt
;
2932 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2933 if (!(popt
->arch_mask
& arch_type
)) {
2934 printf("Option %s not supported for this target\n", popt
->name
);
2937 switch(popt
->index
) {
2939 machine
= machine_parse(optarg
);
2941 case QEMU_OPTION_no_kvm_irqchip
: {
2942 olist
= qemu_find_opts("machine");
2943 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2946 case QEMU_OPTION_cpu
:
2947 /* hw initialization will check this */
2950 case QEMU_OPTION_hda
:
2954 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2956 snprintf(buf
, sizeof(buf
),
2957 "%s,cyls=%d,heads=%d,secs=%d%s",
2958 HD_OPTS
, cyls
, heads
, secs
,
2959 translation
== BIOS_ATA_TRANSLATION_LBA
?
2961 translation
== BIOS_ATA_TRANSLATION_NONE
?
2962 ",trans=none" : "");
2963 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2966 case QEMU_OPTION_hdb
:
2967 case QEMU_OPTION_hdc
:
2968 case QEMU_OPTION_hdd
:
2969 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2972 case QEMU_OPTION_drive
:
2973 if (drive_def(optarg
) == NULL
) {
2977 case QEMU_OPTION_set
:
2978 if (qemu_set_option(optarg
) != 0)
2981 case QEMU_OPTION_global
:
2982 if (qemu_global_option(optarg
) != 0)
2985 case QEMU_OPTION_mtdblock
:
2986 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2988 case QEMU_OPTION_sd
:
2989 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2991 case QEMU_OPTION_pflash
:
2992 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2994 case QEMU_OPTION_snapshot
:
2997 case QEMU_OPTION_hdachs
:
3001 cyls
= strtol(p
, (char **)&p
, 0);
3002 if (cyls
< 1 || cyls
> 16383)
3007 heads
= strtol(p
, (char **)&p
, 0);
3008 if (heads
< 1 || heads
> 16)
3013 secs
= strtol(p
, (char **)&p
, 0);
3014 if (secs
< 1 || secs
> 63)
3018 if (!strcmp(p
, "none"))
3019 translation
= BIOS_ATA_TRANSLATION_NONE
;
3020 else if (!strcmp(p
, "lba"))
3021 translation
= BIOS_ATA_TRANSLATION_LBA
;
3022 else if (!strcmp(p
, "auto"))
3023 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3026 } else if (*p
!= '\0') {
3028 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3031 if (hda_opts
!= NULL
) {
3033 snprintf(num
, sizeof(num
), "%d", cyls
);
3034 qemu_opt_set(hda_opts
, "cyls", num
);
3035 snprintf(num
, sizeof(num
), "%d", heads
);
3036 qemu_opt_set(hda_opts
, "heads", num
);
3037 snprintf(num
, sizeof(num
), "%d", secs
);
3038 qemu_opt_set(hda_opts
, "secs", num
);
3039 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3040 qemu_opt_set(hda_opts
, "trans", "lba");
3041 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3042 qemu_opt_set(hda_opts
, "trans", "none");
3046 case QEMU_OPTION_numa
:
3049 case QEMU_OPTION_display
:
3050 display_type
= select_display(optarg
);
3052 case QEMU_OPTION_nographic
:
3053 display_type
= DT_NOGRAPHIC
;
3055 case QEMU_OPTION_curses
:
3056 #ifdef CONFIG_CURSES
3057 display_type
= DT_CURSES
;
3059 fprintf(stderr
, "Curses support is disabled\n");
3063 case QEMU_OPTION_portrait
:
3064 graphic_rotate
= 90;
3066 case QEMU_OPTION_rotate
:
3067 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3068 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3069 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3071 "qemu: only 90, 180, 270 deg rotation is available\n");
3075 case QEMU_OPTION_kernel
:
3076 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3078 case QEMU_OPTION_initrd
:
3079 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3081 case QEMU_OPTION_append
:
3082 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3084 case QEMU_OPTION_dtb
:
3085 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3087 case QEMU_OPTION_cdrom
:
3088 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3090 case QEMU_OPTION_boot
:
3092 static const char * const params
[] = {
3093 "order", "once", "menu",
3094 "splash", "splash-time",
3095 "reboot-timeout", NULL
3097 char buf
[sizeof(boot_devices
)];
3098 char *standard_boot_devices
;
3101 if (!strchr(optarg
, '=')) {
3103 pstrcpy(buf
, sizeof(buf
), optarg
);
3104 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3106 "qemu: unknown boot parameter '%s' in '%s'\n",
3112 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3113 validate_bootdevices(buf
);
3114 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3117 if (get_param_value(buf
, sizeof(buf
),
3119 validate_bootdevices(buf
);
3120 standard_boot_devices
= g_strdup(boot_devices
);
3121 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3122 qemu_register_reset(restore_boot_devices
,
3123 standard_boot_devices
);
3125 if (get_param_value(buf
, sizeof(buf
),
3127 if (!strcmp(buf
, "on")) {
3129 } else if (!strcmp(buf
, "off")) {
3133 "qemu: invalid option value '%s'\n",
3138 qemu_opts_parse(qemu_find_opts("boot-opts"),
3143 case QEMU_OPTION_fda
:
3144 case QEMU_OPTION_fdb
:
3145 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3148 case QEMU_OPTION_no_fd_bootchk
:
3151 case QEMU_OPTION_netdev
:
3152 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3156 case QEMU_OPTION_net
:
3157 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3161 #ifdef CONFIG_LIBISCSI
3162 case QEMU_OPTION_iscsi
:
3163 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3170 case QEMU_OPTION_tftp
:
3171 legacy_tftp_prefix
= optarg
;
3173 case QEMU_OPTION_bootp
:
3174 legacy_bootp_filename
= optarg
;
3176 case QEMU_OPTION_redir
:
3177 if (net_slirp_redir(optarg
) < 0)
3181 case QEMU_OPTION_bt
:
3182 add_device_config(DEV_BT
, optarg
);
3184 case QEMU_OPTION_audio_help
:
3185 if (!(audio_available())) {
3186 printf("Option %s not supported for this target\n", popt
->name
);
3192 case QEMU_OPTION_soundhw
:
3193 if (!(audio_available())) {
3194 printf("Option %s not supported for this target\n", popt
->name
);
3197 select_soundhw (optarg
);
3202 case QEMU_OPTION_version
:
3206 case QEMU_OPTION_m
: {
3211 value
= strtosz(optarg
, &end
);
3212 if (value
< 0 || *end
) {
3213 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3216 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3218 if (ram_size
!= sz
) {
3219 fprintf(stderr
, "qemu: ram size too large\n");
3224 case QEMU_OPTION_mempath
:
3228 case QEMU_OPTION_mem_prealloc
:
3239 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3241 case QEMU_OPTION_gdb
:
3242 add_device_config(DEV_GDB
, optarg
);
3247 case QEMU_OPTION_bios
:
3250 case QEMU_OPTION_singlestep
:
3257 keyboard_layout
= optarg
;
3259 case QEMU_OPTION_localtime
:
3262 case QEMU_OPTION_vga
:
3271 w
= strtol(p
, (char **)&p
, 10);
3274 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3280 h
= strtol(p
, (char **)&p
, 10);
3285 depth
= strtol(p
, (char **)&p
, 10);
3286 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3287 depth
!= 24 && depth
!= 32)
3289 } else if (*p
== '\0') {
3290 depth
= graphic_depth
;
3297 graphic_depth
= depth
;
3300 case QEMU_OPTION_echr
:
3303 term_escape_char
= strtol(optarg
, &r
, 0);
3305 printf("Bad argument to echr\n");
3308 case QEMU_OPTION_monitor
:
3309 monitor_parse(optarg
, "readline");
3310 default_monitor
= 0;
3312 case QEMU_OPTION_qmp
:
3313 monitor_parse(optarg
, "control");
3314 default_monitor
= 0;
3316 case QEMU_OPTION_mon
:
3317 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3321 default_monitor
= 0;
3323 case QEMU_OPTION_chardev
:
3324 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3329 case QEMU_OPTION_fsdev
:
3330 olist
= qemu_find_opts("fsdev");
3332 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3335 opts
= qemu_opts_parse(olist
, optarg
, 1);
3337 fprintf(stderr
, "parse error: %s\n", optarg
);
3341 case QEMU_OPTION_virtfs
: {
3344 const char *writeout
, *sock_fd
, *socket
;
3346 olist
= qemu_find_opts("virtfs");
3348 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3351 opts
= qemu_opts_parse(olist
, optarg
, 1);
3353 fprintf(stderr
, "parse error: %s\n", optarg
);
3357 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3358 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3359 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3362 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3363 qemu_opt_get(opts
, "mount_tag"),
3366 fprintf(stderr
, "duplicate fsdev id: %s\n",
3367 qemu_opt_get(opts
, "mount_tag"));
3371 writeout
= qemu_opt_get(opts
, "writeout");
3373 #ifdef CONFIG_SYNC_FILE_RANGE
3374 qemu_opt_set(fsdev
, "writeout", writeout
);
3376 fprintf(stderr
, "writeout=immediate not supported on "
3381 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3382 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3383 qemu_opt_set(fsdev
, "security_model",
3384 qemu_opt_get(opts
, "security_model"));
3385 socket
= qemu_opt_get(opts
, "socket");
3387 qemu_opt_set(fsdev
, "socket", socket
);
3389 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3391 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3394 qemu_opt_set_bool(fsdev
, "readonly",
3395 qemu_opt_get_bool(opts
, "readonly", 0));
3396 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3397 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3398 qemu_opt_set(device
, "fsdev",
3399 qemu_opt_get(opts
, "mount_tag"));
3400 qemu_opt_set(device
, "mount_tag",
3401 qemu_opt_get(opts
, "mount_tag"));
3404 case QEMU_OPTION_virtfs_synth
: {
3408 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3411 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3414 qemu_opt_set(fsdev
, "fsdriver", "synth");
3416 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3417 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3418 qemu_opt_set(device
, "fsdev", "v_synth");
3419 qemu_opt_set(device
, "mount_tag", "v_synth");
3422 case QEMU_OPTION_serial
:
3423 add_device_config(DEV_SERIAL
, optarg
);
3425 if (strncmp(optarg
, "mon:", 4) == 0) {
3426 default_monitor
= 0;
3429 case QEMU_OPTION_watchdog
:
3432 "qemu: only one watchdog option may be given\n");
3437 case QEMU_OPTION_watchdog_action
:
3438 if (select_watchdog_action(optarg
) == -1) {
3439 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3443 case QEMU_OPTION_virtiocon
:
3444 add_device_config(DEV_VIRTCON
, optarg
);
3445 default_virtcon
= 0;
3446 if (strncmp(optarg
, "mon:", 4) == 0) {
3447 default_monitor
= 0;
3450 case QEMU_OPTION_parallel
:
3451 add_device_config(DEV_PARALLEL
, optarg
);
3452 default_parallel
= 0;
3453 if (strncmp(optarg
, "mon:", 4) == 0) {
3454 default_monitor
= 0;
3457 case QEMU_OPTION_debugcon
:
3458 add_device_config(DEV_DEBUGCON
, optarg
);
3460 case QEMU_OPTION_loadvm
:
3463 case QEMU_OPTION_full_screen
:
3467 case QEMU_OPTION_no_frame
:
3470 case QEMU_OPTION_alt_grab
:
3473 case QEMU_OPTION_ctrl_grab
:
3476 case QEMU_OPTION_no_quit
:
3479 case QEMU_OPTION_sdl
:
3480 display_type
= DT_SDL
;
3483 case QEMU_OPTION_no_frame
:
3484 case QEMU_OPTION_alt_grab
:
3485 case QEMU_OPTION_ctrl_grab
:
3486 case QEMU_OPTION_no_quit
:
3487 case QEMU_OPTION_sdl
:
3488 fprintf(stderr
, "SDL support is disabled\n");
3491 case QEMU_OPTION_pidfile
:
3494 case QEMU_OPTION_win2k_hack
:
3495 win2k_install_hack
= 1;
3497 case QEMU_OPTION_rtc_td_hack
: {
3498 static GlobalProperty slew_lost_ticks
[] = {
3500 .driver
= "mc146818rtc",
3501 .property
= "lost_tick_policy",
3504 { /* end of list */ }
3507 qdev_prop_register_global_list(slew_lost_ticks
);
3510 case QEMU_OPTION_acpitable
:
3511 do_acpitable_option(optarg
);
3513 case QEMU_OPTION_smbios
:
3514 do_smbios_option(optarg
);
3516 case QEMU_OPTION_enable_kvm
:
3517 olist
= qemu_find_opts("machine");
3518 qemu_opts_parse(olist
, "accel=kvm", 0);
3520 case QEMU_OPTION_machine
:
3521 olist
= qemu_find_opts("machine");
3522 opts
= qemu_opts_parse(olist
, optarg
, 1);
3524 fprintf(stderr
, "parse error: %s\n", optarg
);
3527 optarg
= qemu_opt_get(opts
, "type");
3529 machine
= machine_parse(optarg
);
3532 case QEMU_OPTION_no_kvm
:
3533 olist
= qemu_find_opts("machine");
3534 qemu_opts_parse(olist
, "accel=tcg", 0);
3536 case QEMU_OPTION_no_kvm_pit
: {
3537 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3541 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3542 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3544 .driver
= "kvm-pit",
3545 .property
= "lost_tick_policy",
3548 { /* end of list */ }
3551 fprintf(stderr
, "Warning: option deprecated, use "
3552 "lost_tick_policy property of kvm-pit instead.\n");
3553 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3556 case QEMU_OPTION_usb
:
3557 olist
= qemu_find_opts("machine");
3558 qemu_opts_parse(olist
, "usb=on", 0);
3560 case QEMU_OPTION_usbdevice
:
3561 olist
= qemu_find_opts("machine");
3562 qemu_opts_parse(olist
, "usb=on", 0);
3563 add_device_config(DEV_USB
, optarg
);
3565 case QEMU_OPTION_device
:
3566 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3570 case QEMU_OPTION_smp
:
3573 fprintf(stderr
, "Invalid number of CPUs\n");
3576 if (max_cpus
< smp_cpus
) {
3577 fprintf(stderr
, "maxcpus must be equal to or greater than "
3581 if (max_cpus
> 255) {
3582 fprintf(stderr
, "Unsupported number of maxcpus\n");
3586 case QEMU_OPTION_vnc
:
3589 vnc_display
= optarg
;
3591 fprintf(stderr
, "VNC support is disabled\n");
3595 case QEMU_OPTION_no_acpi
:
3598 case QEMU_OPTION_no_hpet
:
3601 case QEMU_OPTION_balloon
:
3602 if (balloon_parse(optarg
) < 0) {
3603 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3607 case QEMU_OPTION_no_reboot
:
3610 case QEMU_OPTION_no_shutdown
:
3613 case QEMU_OPTION_show_cursor
:
3616 case QEMU_OPTION_uuid
:
3617 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3618 fprintf(stderr
, "Fail to parse UUID string."
3619 " Wrong format.\n");
3623 case QEMU_OPTION_option_rom
:
3624 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3625 fprintf(stderr
, "Too many option ROMs\n");
3628 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3629 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3630 option_rom
[nb_option_roms
].bootindex
=
3631 qemu_opt_get_number(opts
, "bootindex", -1);
3632 if (!option_rom
[nb_option_roms
].name
) {
3633 fprintf(stderr
, "Option ROM file is not specified\n");
3638 case QEMU_OPTION_semihosting
:
3639 semihosting_enabled
= 1;
3641 case QEMU_OPTION_tdf
:
3642 fprintf(stderr
, "Warning: user space PIT time drift fix "
3643 "is no longer supported.\n");
3645 case QEMU_OPTION_name
:
3646 qemu_name
= g_strdup(optarg
);
3648 char *p
= strchr(qemu_name
, ',');
3651 if (strncmp(p
, "process=", 8)) {
3652 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3656 os_set_proc_name(p
);
3660 case QEMU_OPTION_prom_env
:
3661 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3662 fprintf(stderr
, "Too many prom variables\n");
3665 prom_envs
[nb_prom_envs
] = optarg
;
3668 case QEMU_OPTION_old_param
:
3671 case QEMU_OPTION_clock
:
3672 configure_alarms(optarg
);
3674 case QEMU_OPTION_startdate
:
3675 configure_rtc_date_offset(optarg
, 1);
3677 case QEMU_OPTION_rtc
:
3678 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3682 configure_rtc(opts
);
3684 case QEMU_OPTION_tb_size
:
3685 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3686 if (tcg_tb_size
< 0) {
3690 case QEMU_OPTION_icount
:
3691 icount_option
= optarg
;
3693 case QEMU_OPTION_incoming
:
3695 runstate_set(RUN_STATE_INMIGRATE
);
3697 case QEMU_OPTION_nodefaults
:
3699 default_parallel
= 0;
3700 default_virtcon
= 0;
3702 default_monitor
= 0;
3709 case QEMU_OPTION_xen_domid
:
3710 if (!(xen_available())) {
3711 printf("Option %s not supported for this target\n", popt
->name
);
3714 xen_domid
= atoi(optarg
);
3716 case QEMU_OPTION_xen_create
:
3717 if (!(xen_available())) {
3718 printf("Option %s not supported for this target\n", popt
->name
);
3721 xen_mode
= XEN_CREATE
;
3723 case QEMU_OPTION_xen_attach
:
3724 if (!(xen_available())) {
3725 printf("Option %s not supported for this target\n", popt
->name
);
3728 xen_mode
= XEN_ATTACH
;
3730 case QEMU_OPTION_trace
:
3732 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3736 trace_events
= qemu_opt_get(opts
, "events");
3737 trace_file
= qemu_opt_get(opts
, "file");
3740 case QEMU_OPTION_readconfig
:
3742 int ret
= qemu_read_config_file(optarg
);
3744 fprintf(stderr
, "read config %s: %s\n", optarg
,
3750 case QEMU_OPTION_spice
:
3751 olist
= qemu_find_opts("spice");
3753 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3756 opts
= qemu_opts_parse(olist
, optarg
, 0);
3758 fprintf(stderr
, "parse error: %s\n", optarg
);
3762 case QEMU_OPTION_writeconfig
:
3765 if (strcmp(optarg
, "-") == 0) {
3768 fp
= fopen(optarg
, "w");
3770 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3774 qemu_config_write(fp
);
3778 case QEMU_OPTION_qtest
:
3779 qtest_chrdev
= optarg
;
3781 case QEMU_OPTION_qtest_log
:
3784 case QEMU_OPTION_sandbox
:
3785 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3790 case QEMU_OPTION_add_fd
:
3792 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3797 error_report("File descriptor passing is disabled on this "
3802 case QEMU_OPTION_object
:
3803 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3806 os_parse_cmd_args(popt
->index
, optarg
);
3812 if (qemu_init_main_loop()) {
3813 fprintf(stderr
, "qemu_init_main_loop failed\n");
3817 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3822 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3826 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3831 if (machine
== NULL
) {
3832 fprintf(stderr
, "No machine found.\n");
3836 if (machine
->hw_version
) {
3837 qemu_set_version(machine
->hw_version
);
3840 if (qemu_opts_foreach(qemu_find_opts("object"),
3841 object_create
, NULL
, 0) != 0) {
3845 /* Init CPU def lists, based on config
3846 * - Must be called after all the qemu_read_config_file() calls
3847 * - Must be called before list_cpus()
3848 * - Must be called before machine->init()
3852 if (cpu_model
&& is_help_option(cpu_model
)) {
3853 list_cpus(stdout
, &fprintf
, cpu_model
);
3857 /* Open the logfile at this point, if necessary. We can't open the logfile
3858 * when encountering either of the logging options (-d or -D) because the
3859 * other one may be encountered later on the command line, changing the
3860 * location or level of logging.
3864 set_cpu_log_filename(log_file
);
3866 set_cpu_log(log_mask
);
3869 if (!trace_backend_init(trace_events
, trace_file
)) {
3873 /* If no data_dir is specified then try to find it relative to the
3876 data_dir
= os_find_datadir(argv
[0]);
3878 /* If all else fails use the install path specified when building. */
3880 data_dir
= CONFIG_QEMU_DATADIR
;
3884 * Default to max_cpus = smp_cpus, in case the user doesn't
3885 * specify a max_cpus value.
3888 max_cpus
= smp_cpus
;
3890 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3891 if (smp_cpus
> machine
->max_cpus
) {
3892 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3893 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3899 * Get the default machine options from the machine if it is not already
3900 * specified either by the configuration file or by the command line.
3902 if (machine
->default_machine_opts
) {
3903 qemu_opts_set_defaults(qemu_find_opts("machine"),
3904 machine
->default_machine_opts
, 0);
3907 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3908 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3910 if (machine
->no_serial
) {
3913 if (machine
->no_parallel
) {
3914 default_parallel
= 0;
3916 if (!machine
->use_virtcon
) {
3917 default_virtcon
= 0;
3919 if (!machine
->use_sclp
) {
3922 if (machine
->no_floppy
) {
3925 if (machine
->no_cdrom
) {
3928 if (machine
->no_sdcard
) {
3932 if (is_daemonized()) {
3933 /* According to documentation and historically, -nographic redirects
3934 * serial port, parallel port and monitor to stdio, which does not work
3935 * with -daemonize. We can redirect these to null instead, but since
3936 * -nographic is legacy, let's just error out.
3937 * We disallow -nographic only if all other ports are not redirected
3938 * explicitly, to not break existing legacy setups which uses
3939 * -nographic _and_ redirects all ports explicitly - this is valid
3940 * usage, -nographic is just a no-op in this case.
3942 if (display_type
== DT_NOGRAPHIC
3943 && (default_parallel
|| default_serial
3944 || default_monitor
|| default_virtcon
)) {
3945 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3948 #ifdef CONFIG_CURSES
3949 if (display_type
== DT_CURSES
) {
3950 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3956 if (display_type
== DT_NOGRAPHIC
) {
3957 if (default_parallel
)
3958 add_device_config(DEV_PARALLEL
, "null");
3959 if (default_serial
&& default_monitor
) {
3960 add_device_config(DEV_SERIAL
, "mon:stdio");
3961 } else if (default_virtcon
&& default_monitor
) {
3962 add_device_config(DEV_VIRTCON
, "mon:stdio");
3963 } else if (default_sclp
&& default_monitor
) {
3964 add_device_config(DEV_SCLP
, "mon:stdio");
3967 add_device_config(DEV_SERIAL
, "stdio");
3968 if (default_virtcon
)
3969 add_device_config(DEV_VIRTCON
, "stdio");
3971 add_device_config(DEV_SCLP
, "stdio");
3973 if (default_monitor
)
3974 monitor_parse("stdio", "readline");
3978 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3979 if (default_parallel
)
3980 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3981 if (default_monitor
)
3982 monitor_parse("vc:80Cx24C", "readline");
3983 if (default_virtcon
)
3984 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3986 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3992 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3994 #ifdef CONFIG_VIRTFS
3995 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4002 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4007 /* init the memory */
4008 if (ram_size
== 0) {
4009 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4012 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4017 configure_accelerator();
4019 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4021 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4022 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4023 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4025 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4028 if (!kernel_cmdline
) {
4029 kernel_cmdline
= "";
4032 linux_boot
= (kernel_filename
!= NULL
);
4034 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4035 fprintf(stderr
, "-append only allowed with -kernel option\n");
4039 if (!linux_boot
&& initrd_filename
!= NULL
) {
4040 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4044 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4045 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4049 os_set_line_buffering();
4051 qemu_init_cpu_loop();
4052 qemu_mutex_lock_iothread();
4055 /* spice needs the timers to be initialized by this point */
4059 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4060 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4063 configure_icount(icount_option
);
4065 /* clean up network at qemu process termination */
4066 atexit(&net_cleanup
);
4068 if (net_init_clients() < 0) {
4072 /* init the bluetooth world */
4073 if (foreach_device_config(DEV_BT
, bt_parse
))
4076 if (!xen_enabled()) {
4077 /* On 32-bit hosts, QEMU is limited by virtual address space */
4078 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4079 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4084 cpu_exec_init_all();
4086 bdrv_init_with_whitelist();
4090 /* open the virtual block devices */
4092 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4093 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4094 &machine
->block_default_type
, 1) != 0) {
4098 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4100 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4101 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4103 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4105 if (nb_numa_nodes
> 0) {
4108 if (nb_numa_nodes
> MAX_NODES
) {
4109 nb_numa_nodes
= MAX_NODES
;
4112 /* If no memory size if given for any node, assume the default case
4113 * and distribute the available memory equally across all nodes
4115 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4116 if (node_mem
[i
] != 0)
4119 if (i
== nb_numa_nodes
) {
4120 uint64_t usedmem
= 0;
4122 /* On Linux, the each node's border has to be 8MB aligned,
4123 * the final node gets the rest.
4125 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4126 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4127 usedmem
+= node_mem
[i
];
4129 node_mem
[i
] = ram_size
- usedmem
;
4132 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4133 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4137 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4138 * must cope with this anyway, because there are BIOSes out there in
4139 * real machines which also use this scheme.
4141 if (i
== nb_numa_nodes
) {
4142 for (i
= 0; i
< max_cpus
; i
++) {
4143 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4148 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4152 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4154 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4156 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4158 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4161 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4164 /* If no default VGA is requested, the default is "none". */
4166 if (cirrus_vga_available()) {
4167 vga_model
= "cirrus";
4168 } else if (vga_available()) {
4172 select_vgahw(vga_model
);
4175 i
= select_watchdog(watchdog
);
4177 exit (i
== 1 ? 1 : 0);
4180 if (machine
->compat_props
) {
4181 qdev_prop_register_global_list(machine
->compat_props
);
4185 qdev_machine_init();
4187 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4188 .boot_device
= (boot_devices
[0] == '\0') ?
4189 machine
->boot_order
:
4191 .kernel_filename
= kernel_filename
,
4192 .kernel_cmdline
= kernel_cmdline
,
4193 .initrd_filename
= initrd_filename
,
4194 .cpu_model
= cpu_model
};
4195 machine
->init(&args
);
4197 cpu_synchronize_all_post_init();
4201 current_machine
= machine
;
4203 /* init USB devices */
4204 if (usb_enabled(false)) {
4205 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4209 /* init generic devices */
4210 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4213 net_check_clients();
4215 /* just use the first displaystate for the moment */
4216 ds
= get_displaystate();
4220 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4221 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4222 display_type
= DT_SDL
;
4223 #elif defined(CONFIG_VNC)
4224 vnc_display
= "localhost:0,to=99";
4227 display_type
= DT_NONE
;
4232 /* init local displays */
4233 switch (display_type
) {
4236 #if defined(CONFIG_CURSES)
4238 curses_display_init(ds
, full_screen
);
4241 #if defined(CONFIG_SDL)
4243 sdl_display_init(ds
, full_screen
, no_frame
);
4245 #elif defined(CONFIG_COCOA)
4247 cocoa_display_init(ds
, full_screen
);
4254 /* must be after terminal init, SDL library changes signal handlers */
4255 os_setup_signal_handling();
4258 /* init remote displays */
4260 Error
*local_err
= NULL
;
4261 vnc_display_init(ds
);
4262 vnc_display_open(ds
, vnc_display
, &local_err
);
4263 if (local_err
!= NULL
) {
4264 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4265 vnc_display
, error_get_pretty(local_err
));
4266 error_free(local_err
);
4270 if (show_vnc_port
) {
4271 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4276 if (using_spice
&& !qxl_enabled
) {
4277 qemu_spice_display_init(ds
);
4282 text_consoles_set_display(ds
);
4284 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4288 qdev_machine_creation_done();
4290 if (rom_load_all() != 0) {
4291 fprintf(stderr
, "rom loading failed\n");
4295 /* TODO: once all bus devices are qdevified, this should be done
4296 * when bus is created by qdev.c */
4297 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4298 qemu_run_machine_init_done_notifiers();
4300 qemu_system_reset(VMRESET_SILENT
);
4302 if (load_vmstate(loadvm
) < 0) {
4308 Error
*local_err
= NULL
;
4309 qemu_start_incoming_migration(incoming
, &local_err
);
4311 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4312 error_free(local_err
);
4315 } else if (autostart
) {