4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 #include "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "sysemu/seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc
, char **argv
, char **envp
);
100 int main(int argc
, char **argv
)
102 return qemu_main(argc
, argv
, NULL
);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir
[16];
183 static int data_dir_idx
;
184 const char *bios_name
= NULL
;
185 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
186 DisplayType display_type
= DT_DEFAULT
;
187 static int display_remote
;
188 const char* keyboard_layout
= NULL
;
190 const char *mem_path
= NULL
;
191 int mem_prealloc
= 0; /* force preallocation of physical target memory */
193 NICInfo nd_table
[MAX_NICS
];
195 static int rtc_utc
= 1;
196 static int rtc_date_offset
= -1; /* -1 means no change */
197 QEMUClockType rtc_clock
;
198 int vga_interface_type
= VGA_NONE
;
199 static int full_screen
= 0;
200 static int no_frame
= 0;
202 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
203 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
204 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
205 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
206 int win2k_install_hack
= 0;
213 const char *vnc_display
;
215 int acpi_enabled
= 1;
218 static int no_reboot
;
221 int graphic_rotate
= 0;
222 const char *watchdog
;
223 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
225 int semihosting_enabled
= 0;
227 const char *qemu_name
;
230 unsigned int nb_prom_envs
= 0;
231 const char *prom_envs
[MAX_PROM_ENVS
];
233 static bool boot_strict
;
234 uint8_t *boot_splash_filedata
;
235 size_t boot_splash_filedata_size
;
236 uint8_t qemu_extra_params_fw
[2];
238 typedef struct FWBootEntry FWBootEntry
;
241 QTAILQ_ENTRY(FWBootEntry
) link
;
247 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
248 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
251 uint64_t node_mem
[MAX_NODES
];
252 unsigned long *node_cpumask
[MAX_NODES
];
254 uint8_t qemu_uuid
[16];
257 static QEMUBootSetHandler
*boot_set_handler
;
258 static void *boot_set_opaque
;
260 static NotifierList exit_notifiers
=
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
263 static NotifierList machine_init_done_notifiers
=
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
266 static bool tcg_allowed
= true;
269 enum xen_mode xen_mode
= XEN_EMULATE
;
270 static int tcg_tb_size
;
272 static int default_serial
= 1;
273 static int default_parallel
= 1;
274 static int default_virtcon
= 1;
275 static int default_sclp
= 1;
276 static int default_monitor
= 1;
277 static int default_floppy
= 1;
278 static int default_cdrom
= 1;
279 static int default_sdcard
= 1;
280 static int default_vga
= 1;
286 { .driver
= "isa-serial", .flag
= &default_serial
},
287 { .driver
= "isa-parallel", .flag
= &default_parallel
},
288 { .driver
= "isa-fdc", .flag
= &default_floppy
},
289 { .driver
= "ide-cd", .flag
= &default_cdrom
},
290 { .driver
= "ide-hd", .flag
= &default_cdrom
},
291 { .driver
= "ide-drive", .flag
= &default_cdrom
},
292 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
293 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
294 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
295 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
296 { .driver
= "VGA", .flag
= &default_vga
},
297 { .driver
= "isa-vga", .flag
= &default_vga
},
298 { .driver
= "cirrus-vga", .flag
= &default_vga
},
299 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
300 { .driver
= "vmware-svga", .flag
= &default_vga
},
301 { .driver
= "qxl-vga", .flag
= &default_vga
},
304 static QemuOptsList qemu_rtc_opts
= {
306 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
310 .type
= QEMU_OPT_STRING
,
313 .type
= QEMU_OPT_STRING
,
316 .type
= QEMU_OPT_STRING
,
318 { /* end of list */ }
322 static QemuOptsList qemu_sandbox_opts
= {
324 .implied_opt_name
= "enable",
325 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
329 .type
= QEMU_OPT_BOOL
,
331 { /* end of list */ }
335 static QemuOptsList qemu_trace_opts
= {
337 .implied_opt_name
= "trace",
338 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
342 .type
= QEMU_OPT_STRING
,
345 .type
= QEMU_OPT_STRING
,
347 { /* end of list */ }
351 static QemuOptsList qemu_option_rom_opts
= {
352 .name
= "option-rom",
353 .implied_opt_name
= "romfile",
354 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
358 .type
= QEMU_OPT_NUMBER
,
361 .type
= QEMU_OPT_STRING
,
363 { /* end of list */ }
367 static QemuOptsList qemu_machine_opts
= {
369 .implied_opt_name
= "type",
371 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
375 .type
= QEMU_OPT_STRING
,
376 .help
= "emulated machine"
379 .type
= QEMU_OPT_STRING
,
380 .help
= "accelerator list",
382 .name
= "kernel_irqchip",
383 .type
= QEMU_OPT_BOOL
,
384 .help
= "use KVM in-kernel irqchip",
386 .name
= "kvm_shadow_mem",
387 .type
= QEMU_OPT_SIZE
,
388 .help
= "KVM shadow MMU size",
391 .type
= QEMU_OPT_STRING
,
392 .help
= "Linux kernel image file",
395 .type
= QEMU_OPT_STRING
,
396 .help
= "Linux initial ramdisk file",
399 .type
= QEMU_OPT_STRING
,
400 .help
= "Linux kernel command line",
403 .type
= QEMU_OPT_STRING
,
404 .help
= "Linux kernel device tree file",
407 .type
= QEMU_OPT_STRING
,
408 .help
= "Dump current dtb to a file and quit",
410 .name
= "phandle_start",
411 .type
= QEMU_OPT_NUMBER
,
412 .help
= "The first phandle ID we may generate dynamically",
414 .name
= "dt_compatible",
415 .type
= QEMU_OPT_STRING
,
416 .help
= "Overrides the \"compatible\" property of the dt root node",
418 .name
= "dump-guest-core",
419 .type
= QEMU_OPT_BOOL
,
420 .help
= "Include guest memory in a core dump",
423 .type
= QEMU_OPT_BOOL
,
424 .help
= "enable/disable memory merge support",
427 .type
= QEMU_OPT_BOOL
,
428 .help
= "Set on/off to enable/disable usb",
431 .type
= QEMU_OPT_STRING
,
432 .help
= "firmware image",
434 { /* End of list */ }
438 static QemuOptsList qemu_boot_opts
= {
440 .implied_opt_name
= "order",
442 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
446 .type
= QEMU_OPT_STRING
,
449 .type
= QEMU_OPT_STRING
,
452 .type
= QEMU_OPT_BOOL
,
455 .type
= QEMU_OPT_STRING
,
457 .name
= "splash-time",
458 .type
= QEMU_OPT_STRING
,
460 .name
= "reboot-timeout",
461 .type
= QEMU_OPT_STRING
,
464 .type
= QEMU_OPT_BOOL
,
470 static QemuOptsList qemu_add_fd_opts
= {
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
476 .type
= QEMU_OPT_NUMBER
,
477 .help
= "file descriptor of which a duplicate is added to fd set",
480 .type
= QEMU_OPT_NUMBER
,
481 .help
= "ID of the fd set to add fd to",
484 .type
= QEMU_OPT_STRING
,
485 .help
= "free-form string used to describe fd",
487 { /* end of list */ }
491 static QemuOptsList qemu_object_opts
= {
493 .implied_opt_name
= "qom-type",
494 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
500 static QemuOptsList qemu_tpmdev_opts
= {
502 .implied_opt_name
= "type",
503 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
505 /* options are defined in the TPM backends */
506 { /* end of list */ }
510 static QemuOptsList qemu_realtime_opts
= {
512 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
516 .type
= QEMU_OPT_BOOL
,
518 { /* end of list */ }
522 static QemuOptsList qemu_msg_opts
= {
524 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
528 .type
= QEMU_OPT_BOOL
,
530 { /* end of list */ }
535 * Get machine options
537 * Returns: machine options (never null).
539 QemuOpts
*qemu_get_machine_opts(void)
544 list
= qemu_find_opts("machine");
546 opts
= qemu_opts_find(list
, NULL
);
548 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
553 const char *qemu_get_vm_name(void)
558 static void res_free(void)
560 if (boot_splash_filedata
!= NULL
) {
561 g_free(boot_splash_filedata
);
562 boot_splash_filedata
= NULL
;
566 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
568 const char *driver
= qemu_opt_get(opts
, "driver");
573 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
574 if (strcmp(default_list
[i
].driver
, driver
) != 0)
576 *(default_list
[i
].flag
) = 0;
581 /***********************************************************/
584 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
589 } RunStateTransition
;
591 static const RunStateTransition runstate_transitions_def
[] = {
593 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
594 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
599 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
600 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
602 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
603 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
605 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
606 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
608 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
609 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
612 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
613 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
615 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
616 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
618 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
620 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
621 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
622 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
623 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
624 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
625 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
626 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
627 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
628 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
629 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
631 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
633 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
634 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
636 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
637 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
638 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
639 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
641 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
642 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
644 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
645 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
647 { RUN_STATE_MAX
, RUN_STATE_MAX
},
650 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
652 bool runstate_check(RunState state
)
654 return current_run_state
== state
;
657 static void runstate_init(void)
659 const RunStateTransition
*p
;
661 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
663 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
664 runstate_valid_transitions
[p
->from
][p
->to
] = true;
668 /* This function will abort() on invalid state transitions */
669 void runstate_set(RunState new_state
)
671 assert(new_state
< RUN_STATE_MAX
);
673 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
674 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
675 RunState_lookup
[current_run_state
],
676 RunState_lookup
[new_state
]);
679 trace_runstate_set(new_state
);
680 current_run_state
= new_state
;
683 int runstate_is_running(void)
685 return runstate_check(RUN_STATE_RUNNING
);
688 bool runstate_needs_reset(void)
690 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
691 runstate_check(RUN_STATE_SHUTDOWN
);
694 StatusInfo
*qmp_query_status(Error
**errp
)
696 StatusInfo
*info
= g_malloc0(sizeof(*info
));
698 info
->running
= runstate_is_running();
699 info
->singlestep
= singlestep
;
700 info
->status
= current_run_state
;
705 /***********************************************************/
706 /* real time host monotonic timer */
708 /***********************************************************/
709 /* host time/date access */
710 void qemu_get_timedate(struct tm
*tm
, int offset
)
716 if (rtc_date_offset
== -1) {
720 localtime_r(&ti
, tm
);
722 ti
-= rtc_date_offset
;
727 int qemu_timedate_diff(struct tm
*tm
)
731 if (rtc_date_offset
== -1)
733 seconds
= mktimegm(tm
);
736 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
737 seconds
= mktime(&tmp
);
740 seconds
= mktimegm(tm
) + rtc_date_offset
;
742 return seconds
- time(NULL
);
745 void rtc_change_mon_event(struct tm
*tm
)
749 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
750 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
751 qobject_decref(data
);
754 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
756 time_t rtc_start_date
;
759 if (!strcmp(startdate
, "now") && legacy
) {
760 rtc_date_offset
= -1;
762 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
770 } else if (sscanf(startdate
, "%d-%d-%d",
782 rtc_start_date
= mktimegm(&tm
);
783 if (rtc_start_date
== -1) {
785 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
786 "'2006-06-17T16:01:21' or '2006-06-17'\n");
789 rtc_date_offset
= time(NULL
) - rtc_start_date
;
793 static void configure_rtc(QemuOpts
*opts
)
797 value
= qemu_opt_get(opts
, "base");
799 if (!strcmp(value
, "utc")) {
801 } else if (!strcmp(value
, "localtime")) {
804 configure_rtc_date_offset(value
, 0);
807 value
= qemu_opt_get(opts
, "clock");
809 if (!strcmp(value
, "host")) {
810 rtc_clock
= QEMU_CLOCK_HOST
;
811 } else if (!strcmp(value
, "rt")) {
812 rtc_clock
= QEMU_CLOCK_REALTIME
;
813 } else if (!strcmp(value
, "vm")) {
814 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
816 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
820 value
= qemu_opt_get(opts
, "driftfix");
822 if (!strcmp(value
, "slew")) {
823 static GlobalProperty slew_lost_ticks
[] = {
825 .driver
= "mc146818rtc",
826 .property
= "lost_tick_policy",
829 { /* end of list */ }
832 qdev_prop_register_global_list(slew_lost_ticks
);
833 } else if (!strcmp(value
, "none")) {
834 /* discard is default */
836 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
842 /***********************************************************/
843 /* Bluetooth support */
846 static struct HCIInfo
*hci_table
[MAX_NICS
];
848 struct HCIInfo
*qemu_next_hci(void)
850 if (cur_hci
== nb_hcis
)
853 return hci_table
[cur_hci
++];
856 static int bt_hci_parse(const char *str
)
861 if (nb_hcis
>= MAX_NICS
) {
862 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
875 bdaddr
.b
[5] = 0x56 + nb_hcis
;
876 hci
->bdaddr_set(hci
, bdaddr
.b
);
878 hci_table
[nb_hcis
++] = hci
;
883 static void bt_vhci_add(int vlan_id
)
885 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
888 fprintf(stderr
, "qemu: warning: adding a VHCI to "
889 "an empty scatternet %i\n", vlan_id
);
891 bt_vhci_init(bt_new_hci(vlan
));
894 static struct bt_device_s
*bt_device_add(const char *opt
)
896 struct bt_scatternet_s
*vlan
;
898 char *endp
= strstr(opt
, ",vlan=");
899 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
902 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
905 vlan_id
= strtol(endp
+ 6, &endp
, 0);
907 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
912 vlan
= qemu_find_bt_vlan(vlan_id
);
915 fprintf(stderr
, "qemu: warning: adding a slave device to "
916 "an empty scatternet %i\n", vlan_id
);
918 if (!strcmp(devname
, "keyboard"))
919 return bt_keyboard_init(vlan
);
921 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
925 static int bt_parse(const char *opt
)
927 const char *endp
, *p
;
930 if (strstart(opt
, "hci", &endp
)) {
931 if (!*endp
|| *endp
== ',') {
933 if (!strstart(endp
, ",vlan=", 0))
936 return bt_hci_parse(opt
);
938 } else if (strstart(opt
, "vhci", &endp
)) {
939 if (!*endp
|| *endp
== ',') {
941 if (strstart(endp
, ",vlan=", &p
)) {
942 vlan
= strtol(p
, (char **) &endp
, 0);
944 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
948 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
957 } else if (strstart(opt
, "device:", &endp
))
958 return !bt_device_add(endp
);
960 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
964 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
966 /* FIXME: change this to true for 1.3 */
967 if (qemu_opt_get_bool(opts
, "enable", false)) {
968 #ifdef CONFIG_SECCOMP
969 if (seccomp_start() < 0) {
970 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
971 "failed to install seccomp syscall filter in the kernel");
975 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
976 "sandboxing request but seccomp is not compiled into this build");
984 bool usb_enabled(bool default_usb
)
986 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
990 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
992 int fd
, dupfd
, flags
;
994 const char *fd_opaque
= NULL
;
996 fd
= qemu_opt_get_number(opts
, "fd", -1);
997 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
998 fd_opaque
= qemu_opt_get(opts
, "opaque");
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1002 "fd option is required and must be non-negative");
1006 if (fd
<= STDERR_FILENO
) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1008 "fd cannot be a standard I/O stream");
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1016 flags
= fcntl(fd
, F_GETFD
);
1017 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1019 "fd is not valid or already in use");
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1025 "set option is required and must be non-negative");
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1034 qemu_set_cloexec(dupfd
);
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1039 "Error duplicating fd: %s", strerror(errno
));
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1050 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1054 fd
= qemu_opt_get_number(opts
, "fd", -1);
1061 /***********************************************************/
1062 /* QEMU Block devices */
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1067 #define PFLASH_OPTS ""
1071 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1073 BlockInterfaceType
*block_default_type
= opaque
;
1075 return drive_init(opts
, *block_default_type
) == NULL
;
1078 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1080 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1081 qemu_opt_set(opts
, "snapshot", "on");
1086 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1087 int index
, const char *optstr
)
1091 if (!enable
|| drive_get_by_index(type
, index
)) {
1095 opts
= drive_add(type
, index
, NULL
, optstr
);
1097 drive_enable_snapshot(opts
, NULL
);
1099 if (!drive_init(opts
, type
)) {
1104 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1106 boot_set_handler
= func
;
1107 boot_set_opaque
= opaque
;
1110 int qemu_boot_set(const char *boot_order
)
1112 if (!boot_set_handler
) {
1115 return boot_set_handler(boot_set_opaque
, boot_order
);
1118 static void validate_bootdevices(const char *devices
)
1120 /* We just do some generic consistency checks */
1124 for (p
= devices
; *p
!= '\0'; p
++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1134 if (*p
< 'a' || *p
> 'p') {
1135 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1138 if (bitmap
& (1 << (*p
- 'a'))) {
1139 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1142 bitmap
|= 1 << (*p
- 'a');
1146 static void restore_boot_order(void *opaque
)
1148 char *normal_boot_order
= opaque
;
1149 static int first
= 1;
1151 /* Restore boot order and remove ourselves after the first boot */
1157 qemu_boot_set(normal_boot_order
);
1159 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1160 g_free(normal_boot_order
);
1163 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1166 FWBootEntry
*node
, *i
;
1168 if (bootindex
< 0) {
1172 assert(dev
!= NULL
|| suffix
!= NULL
);
1174 node
= g_malloc0(sizeof(FWBootEntry
));
1175 node
->bootindex
= bootindex
;
1176 node
->suffix
= g_strdup(suffix
);
1179 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1180 if (i
->bootindex
== bootindex
) {
1181 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1183 } else if (i
->bootindex
< bootindex
) {
1186 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1189 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1192 DeviceState
*get_boot_device(uint32_t position
)
1194 uint32_t counter
= 0;
1195 FWBootEntry
*i
= NULL
;
1196 DeviceState
*res
= NULL
;
1198 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1199 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1200 if (counter
== position
) {
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1214 * memory pointed by "size" is assigned total length of the array in bytes
1217 char *get_boot_devices_list(size_t *size
)
1223 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1224 char *devpath
= NULL
, *bootpath
;
1228 devpath
= qdev_get_fw_dev_path(i
->dev
);
1232 if (i
->suffix
&& devpath
) {
1233 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1235 bootpath
= g_malloc(bootpathlen
);
1236 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1238 } else if (devpath
) {
1242 bootpath
= g_strdup(i
->suffix
);
1246 list
[total
-1] = '\n';
1248 len
= strlen(bootpath
) + 1;
1249 list
= g_realloc(list
, total
+ len
);
1250 memcpy(&list
[total
], bootpath
, len
);
1257 if (boot_strict
&& *size
> 0) {
1258 list
[total
-1] = '\n';
1259 list
= g_realloc(list
, total
+ 5);
1260 memcpy(&list
[total
], "HALT", 5);
1266 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1269 unsigned long long value
, endvalue
;
1271 /* Empty CPU range strings will be considered valid, they will simply
1272 * not set any bit in the CPU bitmap.
1278 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1281 if (*endptr
== '-') {
1282 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1285 } else if (*endptr
== '\0') {
1291 if (endvalue
>= MAX_CPUMASK_BITS
) {
1292 endvalue
= MAX_CPUMASK_BITS
- 1;
1294 "qemu: NUMA: A max of %d VCPUs are supported\n",
1298 if (endvalue
< value
) {
1302 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1306 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1310 static void numa_add(const char *optarg
)
1314 unsigned long long nodenr
;
1316 optarg
= get_opt_name(option
, 128, optarg
, ',');
1317 if (*optarg
== ',') {
1320 if (!strcmp(option
, "node")) {
1322 if (nb_numa_nodes
>= MAX_NODES
) {
1323 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1327 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1328 nodenr
= nb_numa_nodes
;
1330 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1331 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1336 if (nodenr
>= MAX_NODES
) {
1337 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1341 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1342 node_mem
[nodenr
] = 0;
1345 sval
= strtosz(option
, &endptr
);
1346 if (sval
< 0 || *endptr
) {
1347 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1350 node_mem
[nodenr
] = sval
;
1352 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1353 numa_node_parse_cpus(nodenr
, option
);
1357 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1362 static QemuOptsList qemu_smp_opts
= {
1364 .implied_opt_name
= "cpus",
1365 .merge_lists
= true,
1366 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1370 .type
= QEMU_OPT_NUMBER
,
1373 .type
= QEMU_OPT_NUMBER
,
1376 .type
= QEMU_OPT_NUMBER
,
1379 .type
= QEMU_OPT_NUMBER
,
1382 .type
= QEMU_OPT_NUMBER
,
1384 { /*End of list */ }
1388 static void smp_parse(QemuOpts
*opts
)
1392 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1393 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1394 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1395 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1397 /* compute missing values, prefer sockets over cores over threads */
1398 if (cpus
== 0 || sockets
== 0) {
1399 sockets
= sockets
> 0 ? sockets
: 1;
1400 cores
= cores
> 0 ? cores
: 1;
1401 threads
= threads
> 0 ? threads
: 1;
1403 cpus
= cores
* threads
* sockets
;
1407 threads
= threads
> 0 ? threads
: 1;
1408 cores
= cpus
/ (sockets
* threads
);
1410 threads
= cpus
/ (cores
* sockets
);
1414 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1417 smp_cores
= cores
> 0 ? cores
: 1;
1418 smp_threads
= threads
> 0 ? threads
: 1;
1422 if (max_cpus
== 0) {
1423 max_cpus
= smp_cpus
;
1426 if (max_cpus
> 255) {
1427 fprintf(stderr
, "Unsupported number of maxcpus\n");
1430 if (max_cpus
< smp_cpus
) {
1431 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1437 static void configure_realtime(QemuOpts
*opts
)
1441 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1444 if (os_mlock() < 0) {
1445 fprintf(stderr
, "qemu: locking memory failed\n");
1452 static void configure_msg(QemuOpts
*opts
)
1454 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1457 /***********************************************************/
1460 static int usb_device_add(const char *devname
)
1462 USBDevice
*dev
= NULL
;
1463 #ifndef CONFIG_LINUX
1467 if (!usb_enabled(false)) {
1471 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1472 dev
= usbdevice_create(devname
);
1476 /* the other ones */
1477 #ifndef CONFIG_LINUX
1478 /* only the linux version is qdev-ified, usb-bsd still needs this */
1479 if (strstart(devname
, "host:", &p
)) {
1480 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1490 static int usb_device_del(const char *devname
)
1495 if (strstart(devname
, "host:", &p
)) {
1499 if (!usb_enabled(false)) {
1503 p
= strchr(devname
, '.');
1506 bus_num
= strtoul(devname
, NULL
, 0);
1507 addr
= strtoul(p
+ 1, NULL
, 0);
1509 return usb_device_delete_addr(bus_num
, addr
);
1512 static int usb_parse(const char *cmdline
)
1515 r
= usb_device_add(cmdline
);
1517 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1522 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1524 const char *devname
= qdict_get_str(qdict
, "devname");
1525 if (usb_device_add(devname
) < 0) {
1526 error_report("could not add USB device '%s'", devname
);
1530 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1532 const char *devname
= qdict_get_str(qdict
, "devname");
1533 if (usb_device_del(devname
) < 0) {
1534 error_report("could not delete USB device '%s'", devname
);
1538 /***********************************************************/
1539 /* PCMCIA/Cardbus */
1541 static struct pcmcia_socket_entry_s
{
1542 PCMCIASocket
*socket
;
1543 struct pcmcia_socket_entry_s
*next
;
1544 } *pcmcia_sockets
= 0;
1546 void pcmcia_socket_register(PCMCIASocket
*socket
)
1548 struct pcmcia_socket_entry_s
*entry
;
1550 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1551 entry
->socket
= socket
;
1552 entry
->next
= pcmcia_sockets
;
1553 pcmcia_sockets
= entry
;
1556 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1558 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1560 ptr
= &pcmcia_sockets
;
1561 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1562 if (entry
->socket
== socket
) {
1568 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1570 struct pcmcia_socket_entry_s
*iter
;
1572 if (!pcmcia_sockets
)
1573 monitor_printf(mon
, "No PCMCIA sockets\n");
1575 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1576 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1577 iter
->socket
->attached
? iter
->socket
->card_string
:
1581 /***********************************************************/
1582 /* machine registration */
1584 static QEMUMachine
*first_machine
= NULL
;
1585 QEMUMachine
*current_machine
= NULL
;
1587 int qemu_register_machine(QEMUMachine
*m
)
1590 pm
= &first_machine
;
1598 static QEMUMachine
*find_machine(const char *name
)
1602 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1603 if (!strcmp(m
->name
, name
))
1605 if (m
->alias
&& !strcmp(m
->alias
, name
))
1611 QEMUMachine
*find_default_machine(void)
1615 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1616 if (m
->is_default
) {
1623 MachineInfoList
*qmp_query_machines(Error
**errp
)
1625 MachineInfoList
*mach_list
= NULL
;
1628 for (m
= first_machine
; m
; m
= m
->next
) {
1629 MachineInfoList
*entry
;
1632 info
= g_malloc0(sizeof(*info
));
1633 if (m
->is_default
) {
1634 info
->has_is_default
= true;
1635 info
->is_default
= true;
1639 info
->has_alias
= true;
1640 info
->alias
= g_strdup(m
->alias
);
1643 info
->name
= g_strdup(m
->name
);
1644 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1646 entry
= g_malloc0(sizeof(*entry
));
1647 entry
->value
= info
;
1648 entry
->next
= mach_list
;
1655 /***********************************************************/
1656 /* main execution loop */
1658 struct vm_change_state_entry
{
1659 VMChangeStateHandler
*cb
;
1661 QLIST_ENTRY (vm_change_state_entry
) entries
;
1664 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1666 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1669 VMChangeStateEntry
*e
;
1671 e
= g_malloc0(sizeof (*e
));
1675 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1679 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1681 QLIST_REMOVE (e
, entries
);
1685 void vm_state_notify(int running
, RunState state
)
1687 VMChangeStateEntry
*e
;
1689 trace_vm_state_notify(running
, state
);
1691 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1692 e
->cb(e
->opaque
, running
, state
);
1698 if (!runstate_is_running()) {
1700 runstate_set(RUN_STATE_RUNNING
);
1701 vm_state_notify(1, RUN_STATE_RUNNING
);
1703 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1707 /* reset/shutdown handler */
1709 typedef struct QEMUResetEntry
{
1710 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1711 QEMUResetHandler
*func
;
1715 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1716 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1717 static int reset_requested
;
1718 static int shutdown_requested
, shutdown_signal
= -1;
1719 static pid_t shutdown_pid
;
1720 static int powerdown_requested
;
1721 static int debug_requested
;
1722 static int suspend_requested
;
1723 static WakeupReason wakeup_reason
;
1724 static NotifierList powerdown_notifiers
=
1725 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1726 static NotifierList suspend_notifiers
=
1727 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1728 static NotifierList wakeup_notifiers
=
1729 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1730 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1731 static RunState vmstop_requested
= RUN_STATE_MAX
;
1733 int qemu_shutdown_requested_get(void)
1735 return shutdown_requested
;
1738 int qemu_reset_requested_get(void)
1740 return reset_requested
;
1743 static int qemu_shutdown_requested(void)
1745 int r
= shutdown_requested
;
1746 shutdown_requested
= 0;
1750 static void qemu_kill_report(void)
1752 if (!qtest_enabled() && shutdown_signal
!= -1) {
1753 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1754 if (shutdown_pid
== 0) {
1755 /* This happens for eg ^C at the terminal, so it's worth
1756 * avoiding printing an odd message in that case.
1758 fputc('\n', stderr
);
1760 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1762 shutdown_signal
= -1;
1766 static int qemu_reset_requested(void)
1768 int r
= reset_requested
;
1769 reset_requested
= 0;
1773 static int qemu_suspend_requested(void)
1775 int r
= suspend_requested
;
1776 suspend_requested
= 0;
1780 static WakeupReason
qemu_wakeup_requested(void)
1782 return wakeup_reason
;
1785 static int qemu_powerdown_requested(void)
1787 int r
= powerdown_requested
;
1788 powerdown_requested
= 0;
1792 static int qemu_debug_requested(void)
1794 int r
= debug_requested
;
1795 debug_requested
= 0;
1799 /* We use RUN_STATE_MAX but any invalid value will do */
1800 static bool qemu_vmstop_requested(RunState
*r
)
1802 if (vmstop_requested
< RUN_STATE_MAX
) {
1803 *r
= vmstop_requested
;
1804 vmstop_requested
= RUN_STATE_MAX
;
1811 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1813 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1816 re
->opaque
= opaque
;
1817 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1820 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1824 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1825 if (re
->func
== func
&& re
->opaque
== opaque
) {
1826 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1833 void qemu_devices_reset(void)
1835 QEMUResetEntry
*re
, *nre
;
1837 /* reset all devices */
1838 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1839 re
->func(re
->opaque
);
1843 void qemu_system_reset(bool report
)
1845 if (current_machine
&& current_machine
->reset
) {
1846 current_machine
->reset();
1848 qemu_devices_reset();
1851 monitor_protocol_event(QEVENT_RESET
, NULL
);
1853 cpu_synchronize_all_post_reset();
1856 void qemu_system_reset_request(void)
1859 shutdown_requested
= 1;
1861 reset_requested
= 1;
1864 qemu_notify_event();
1867 static void qemu_system_suspend(void)
1870 notifier_list_notify(&suspend_notifiers
, NULL
);
1871 runstate_set(RUN_STATE_SUSPENDED
);
1872 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1875 void qemu_system_suspend_request(void)
1877 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1880 suspend_requested
= 1;
1882 qemu_notify_event();
1885 void qemu_register_suspend_notifier(Notifier
*notifier
)
1887 notifier_list_add(&suspend_notifiers
, notifier
);
1890 void qemu_system_wakeup_request(WakeupReason reason
)
1892 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1895 if (!(wakeup_reason_mask
& (1 << reason
))) {
1898 runstate_set(RUN_STATE_RUNNING
);
1899 wakeup_reason
= reason
;
1900 qemu_notify_event();
1903 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1906 wakeup_reason_mask
|= (1 << reason
);
1908 wakeup_reason_mask
&= ~(1 << reason
);
1912 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1914 notifier_list_add(&wakeup_notifiers
, notifier
);
1917 void qemu_system_killed(int signal
, pid_t pid
)
1919 shutdown_signal
= signal
;
1922 qemu_system_shutdown_request();
1925 void qemu_system_shutdown_request(void)
1927 shutdown_requested
= 1;
1928 qemu_notify_event();
1931 static void qemu_system_powerdown(void)
1933 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1934 notifier_list_notify(&powerdown_notifiers
, NULL
);
1937 void qemu_system_powerdown_request(void)
1939 powerdown_requested
= 1;
1940 qemu_notify_event();
1943 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1945 notifier_list_add(&powerdown_notifiers
, notifier
);
1948 void qemu_system_debug_request(void)
1950 debug_requested
= 1;
1951 qemu_notify_event();
1954 void qemu_system_vmstop_request(RunState state
)
1956 vmstop_requested
= state
;
1957 qemu_notify_event();
1960 static bool main_loop_should_exit(void)
1963 if (qemu_debug_requested()) {
1964 vm_stop(RUN_STATE_DEBUG
);
1966 if (qemu_suspend_requested()) {
1967 qemu_system_suspend();
1969 if (qemu_shutdown_requested()) {
1971 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1973 vm_stop(RUN_STATE_SHUTDOWN
);
1978 if (qemu_reset_requested()) {
1980 cpu_synchronize_all_states();
1981 qemu_system_reset(VMRESET_REPORT
);
1983 if (runstate_needs_reset()) {
1984 runstate_set(RUN_STATE_PAUSED
);
1987 if (qemu_wakeup_requested()) {
1989 cpu_synchronize_all_states();
1990 qemu_system_reset(VMRESET_SILENT
);
1991 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1992 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1994 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1996 if (qemu_powerdown_requested()) {
1997 qemu_system_powerdown();
1999 if (qemu_vmstop_requested(&r
)) {
2005 static void main_loop(void)
2009 #ifdef CONFIG_PROFILER
2013 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2014 #ifdef CONFIG_PROFILER
2015 ti
= profile_getclock();
2017 last_io
= main_loop_wait(nonblocking
);
2018 #ifdef CONFIG_PROFILER
2019 dev_time
+= profile_getclock() - ti
;
2021 } while (!main_loop_should_exit());
2024 static void version(void)
2026 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2029 static void help(int exitcode
)
2032 printf("usage: %s [options] [disk_image]\n\n"
2033 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2034 error_get_progname());
2036 #define QEMU_OPTIONS_GENERATE_HELP
2037 #include "qemu-options-wrapper.h"
2039 printf("\nDuring emulation, the following keys are useful:\n"
2040 "ctrl-alt-f toggle full screen\n"
2041 "ctrl-alt-n switch to virtual console 'n'\n"
2042 "ctrl-alt toggle mouse and keyboard grab\n"
2044 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2049 #define HAS_ARG 0x0001
2051 typedef struct QEMUOption
{
2058 static const QEMUOption qemu_options
[] = {
2059 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2060 #define QEMU_OPTIONS_GENERATE_OPTIONS
2061 #include "qemu-options-wrapper.h"
2065 static bool vga_available(void)
2067 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2070 static bool cirrus_vga_available(void)
2072 return object_class_by_name("cirrus-vga")
2073 || object_class_by_name("isa-cirrus-vga");
2076 static bool vmware_vga_available(void)
2078 return object_class_by_name("vmware-svga");
2081 static bool qxl_vga_available(void)
2083 return object_class_by_name("qxl-vga");
2086 static void select_vgahw (const char *p
)
2090 vga_interface_type
= VGA_NONE
;
2091 if (strstart(p
, "std", &opts
)) {
2092 if (vga_available()) {
2093 vga_interface_type
= VGA_STD
;
2095 fprintf(stderr
, "Error: standard VGA not available\n");
2098 } else if (strstart(p
, "cirrus", &opts
)) {
2099 if (cirrus_vga_available()) {
2100 vga_interface_type
= VGA_CIRRUS
;
2102 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2105 } else if (strstart(p
, "vmware", &opts
)) {
2106 if (vmware_vga_available()) {
2107 vga_interface_type
= VGA_VMWARE
;
2109 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2112 } else if (strstart(p
, "xenfb", &opts
)) {
2113 vga_interface_type
= VGA_XENFB
;
2114 } else if (strstart(p
, "qxl", &opts
)) {
2115 if (qxl_vga_available()) {
2116 vga_interface_type
= VGA_QXL
;
2118 fprintf(stderr
, "Error: QXL VGA not available\n");
2121 } else if (!strstart(p
, "none", &opts
)) {
2123 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2127 const char *nextopt
;
2129 if (strstart(opts
, ",retrace=", &nextopt
)) {
2131 if (strstart(opts
, "dumb", &nextopt
))
2132 vga_retrace_method
= VGA_RETRACE_DUMB
;
2133 else if (strstart(opts
, "precise", &nextopt
))
2134 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2135 else goto invalid_vga
;
2136 } else goto invalid_vga
;
2141 static DisplayType
select_display(const char *p
)
2144 DisplayType display
= DT_DEFAULT
;
2146 if (strstart(p
, "sdl", &opts
)) {
2150 const char *nextopt
;
2152 if (strstart(opts
, ",frame=", &nextopt
)) {
2154 if (strstart(opts
, "on", &nextopt
)) {
2156 } else if (strstart(opts
, "off", &nextopt
)) {
2159 goto invalid_sdl_args
;
2161 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2163 if (strstart(opts
, "on", &nextopt
)) {
2165 } else if (strstart(opts
, "off", &nextopt
)) {
2168 goto invalid_sdl_args
;
2170 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2172 if (strstart(opts
, "on", &nextopt
)) {
2174 } else if (strstart(opts
, "off", &nextopt
)) {
2177 goto invalid_sdl_args
;
2179 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2181 if (strstart(opts
, "on", &nextopt
)) {
2183 } else if (strstart(opts
, "off", &nextopt
)) {
2186 goto invalid_sdl_args
;
2190 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2196 fprintf(stderr
, "SDL support is disabled\n");
2199 } else if (strstart(p
, "vnc", &opts
)) {
2204 const char *nextopt
;
2206 if (strstart(opts
, "=", &nextopt
)) {
2207 vnc_display
= nextopt
;
2211 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2215 fprintf(stderr
, "VNC support is disabled\n");
2218 } else if (strstart(p
, "curses", &opts
)) {
2219 #ifdef CONFIG_CURSES
2220 display
= DT_CURSES
;
2222 fprintf(stderr
, "Curses support is disabled\n");
2225 } else if (strstart(p
, "gtk", &opts
)) {
2229 fprintf(stderr
, "GTK support is disabled\n");
2232 } else if (strstart(p
, "none", &opts
)) {
2235 fprintf(stderr
, "Unknown display type: %s\n", p
);
2242 static int balloon_parse(const char *arg
)
2246 if (strcmp(arg
, "none") == 0) {
2250 if (!strncmp(arg
, "virtio", 6)) {
2251 if (arg
[6] == ',') {
2252 /* have params -> parse them */
2253 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2257 /* create empty opts */
2258 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2261 qemu_opt_set(opts
, "driver", "virtio-balloon");
2268 char *qemu_find_file(int type
, const char *name
)
2274 /* Try the name as a straight path first */
2275 if (access(name
, R_OK
) == 0) {
2276 trace_load_file(name
, name
);
2277 return g_strdup(name
);
2281 case QEMU_FILE_TYPE_BIOS
:
2284 case QEMU_FILE_TYPE_KEYMAP
:
2285 subdir
= "keymaps/";
2291 for (i
= 0; i
< data_dir_idx
; i
++) {
2292 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2293 if (access(buf
, R_OK
) == 0) {
2294 trace_load_file(name
, buf
);
2302 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2304 return qdev_device_help(opts
);
2307 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2311 dev
= qdev_device_add(opts
);
2314 object_unref(OBJECT(dev
));
2318 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2320 Error
*local_err
= NULL
;
2322 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2323 if (error_is_set(&local_err
)) {
2324 error_report("%s", error_get_pretty(local_err
));
2325 error_free(local_err
);
2331 #ifdef CONFIG_VIRTFS
2332 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2335 ret
= qemu_fsdev_add(opts
);
2341 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2343 CharDriverState
*chr
;
2344 const char *chardev
;
2348 mode
= qemu_opt_get(opts
, "mode");
2352 if (strcmp(mode
, "readline") == 0) {
2353 flags
= MONITOR_USE_READLINE
;
2354 } else if (strcmp(mode
, "control") == 0) {
2355 flags
= MONITOR_USE_CONTROL
;
2357 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2361 if (qemu_opt_get_bool(opts
, "pretty", 0))
2362 flags
|= MONITOR_USE_PRETTY
;
2364 if (qemu_opt_get_bool(opts
, "default", 0))
2365 flags
|= MONITOR_IS_DEFAULT
;
2367 chardev
= qemu_opt_get(opts
, "chardev");
2368 chr
= qemu_chr_find(chardev
);
2370 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2374 qemu_chr_fe_claim_no_fail(chr
);
2375 monitor_init(chr
, flags
);
2379 static void monitor_parse(const char *optarg
, const char *mode
)
2381 static int monitor_device_index
= 0;
2387 if (strstart(optarg
, "chardev:", &p
)) {
2388 snprintf(label
, sizeof(label
), "%s", p
);
2390 snprintf(label
, sizeof(label
), "compat_monitor%d",
2391 monitor_device_index
);
2392 if (monitor_device_index
== 0) {
2395 opts
= qemu_chr_parse_compat(label
, optarg
);
2397 fprintf(stderr
, "parse error: %s\n", optarg
);
2402 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2404 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2407 qemu_opt_set(opts
, "mode", mode
);
2408 qemu_opt_set(opts
, "chardev", label
);
2410 qemu_opt_set(opts
, "default", "on");
2411 monitor_device_index
++;
2414 struct device_config
{
2416 DEV_USB
, /* -usbdevice */
2418 DEV_SERIAL
, /* -serial */
2419 DEV_PARALLEL
, /* -parallel */
2420 DEV_VIRTCON
, /* -virtioconsole */
2421 DEV_DEBUGCON
, /* -debugcon */
2422 DEV_GDB
, /* -gdb, -s */
2423 DEV_SCLP
, /* s390 sclp */
2425 const char *cmdline
;
2427 QTAILQ_ENTRY(device_config
) next
;
2430 static QTAILQ_HEAD(, device_config
) device_configs
=
2431 QTAILQ_HEAD_INITIALIZER(device_configs
);
2433 static void add_device_config(int type
, const char *cmdline
)
2435 struct device_config
*conf
;
2437 conf
= g_malloc0(sizeof(*conf
));
2439 conf
->cmdline
= cmdline
;
2440 loc_save(&conf
->loc
);
2441 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2444 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2446 struct device_config
*conf
;
2449 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2450 if (conf
->type
!= type
)
2452 loc_push_restore(&conf
->loc
);
2453 rc
= func(conf
->cmdline
);
2454 loc_pop(&conf
->loc
);
2461 static int serial_parse(const char *devname
)
2463 static int index
= 0;
2466 if (strcmp(devname
, "none") == 0)
2468 if (index
== MAX_SERIAL_PORTS
) {
2469 fprintf(stderr
, "qemu: too many serial ports\n");
2472 snprintf(label
, sizeof(label
), "serial%d", index
);
2473 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2474 if (!serial_hds
[index
]) {
2475 fprintf(stderr
, "qemu: could not connect serial device"
2476 " to character backend '%s'\n", devname
);
2483 static int parallel_parse(const char *devname
)
2485 static int index
= 0;
2488 if (strcmp(devname
, "none") == 0)
2490 if (index
== MAX_PARALLEL_PORTS
) {
2491 fprintf(stderr
, "qemu: too many parallel ports\n");
2494 snprintf(label
, sizeof(label
), "parallel%d", index
);
2495 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2496 if (!parallel_hds
[index
]) {
2497 fprintf(stderr
, "qemu: could not connect parallel device"
2498 " to character backend '%s'\n", devname
);
2505 static int virtcon_parse(const char *devname
)
2507 QemuOptsList
*device
= qemu_find_opts("device");
2508 static int index
= 0;
2510 QemuOpts
*bus_opts
, *dev_opts
;
2512 if (strcmp(devname
, "none") == 0)
2514 if (index
== MAX_VIRTIO_CONSOLES
) {
2515 fprintf(stderr
, "qemu: too many virtio consoles\n");
2519 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2520 if (arch_type
== QEMU_ARCH_S390X
) {
2521 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2523 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2526 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2527 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2529 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2530 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2531 if (!virtcon_hds
[index
]) {
2532 fprintf(stderr
, "qemu: could not connect virtio console"
2533 " to character backend '%s'\n", devname
);
2536 qemu_opt_set(dev_opts
, "chardev", label
);
2542 static int sclp_parse(const char *devname
)
2544 QemuOptsList
*device
= qemu_find_opts("device");
2545 static int index
= 0;
2549 if (strcmp(devname
, "none") == 0) {
2552 if (index
== MAX_SCLP_CONSOLES
) {
2553 fprintf(stderr
, "qemu: too many sclp consoles\n");
2557 assert(arch_type
== QEMU_ARCH_S390X
);
2559 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2560 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2562 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2563 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2564 if (!sclp_hds
[index
]) {
2565 fprintf(stderr
, "qemu: could not connect sclp console"
2566 " to character backend '%s'\n", devname
);
2569 qemu_opt_set(dev_opts
, "chardev", label
);
2575 static int debugcon_parse(const char *devname
)
2579 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2582 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2584 fprintf(stderr
, "qemu: already have a debugcon device\n");
2587 qemu_opt_set(opts
, "driver", "isa-debugcon");
2588 qemu_opt_set(opts
, "chardev", "debugcon");
2592 static QEMUMachine
*machine_parse(const char *name
)
2594 QEMUMachine
*m
, *machine
= NULL
;
2597 machine
= find_machine(name
);
2602 printf("Supported machines are:\n");
2603 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2605 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2607 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2608 m
->is_default
? " (default)" : "");
2610 exit(!name
|| !is_help_option(name
));
2613 static int tcg_init(void)
2615 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2620 const char *opt_name
;
2622 int (*available
)(void);
2626 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2627 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2628 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2629 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2632 static int configure_accelerator(void)
2637 bool accel_initialised
= false;
2638 bool init_failed
= false;
2640 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2642 /* Use the default "accelerator", tcg */
2646 while (!accel_initialised
&& *p
!= '\0') {
2650 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2651 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2652 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2653 if (!accel_list
[i
].available()) {
2654 printf("%s not supported for this target\n",
2655 accel_list
[i
].name
);
2658 *(accel_list
[i
].allowed
) = true;
2659 ret
= accel_list
[i
].init();
2662 fprintf(stderr
, "failed to initialize %s: %s\n",
2665 *(accel_list
[i
].allowed
) = false;
2667 accel_initialised
= true;
2672 if (i
== ARRAY_SIZE(accel_list
)) {
2673 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2677 if (!accel_initialised
) {
2679 fprintf(stderr
, "No accelerator found!\n");
2685 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2688 return !accel_initialised
;
2691 void qemu_add_exit_notifier(Notifier
*notify
)
2693 notifier_list_add(&exit_notifiers
, notify
);
2696 void qemu_remove_exit_notifier(Notifier
*notify
)
2698 notifier_remove(notify
);
2701 static void qemu_run_exit_notifiers(void)
2703 notifier_list_notify(&exit_notifiers
, NULL
);
2706 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2708 notifier_list_add(&machine_init_done_notifiers
, notify
);
2711 static void qemu_run_machine_init_done_notifiers(void)
2713 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2716 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2717 const char **poptarg
, int *poptind
)
2719 const QEMUOption
*popt
;
2720 int optind
= *poptind
;
2721 char *r
= argv
[optind
];
2724 loc_set_cmdline(argv
, optind
, 1);
2726 /* Treat --foo the same as -foo. */
2729 popt
= qemu_options
;
2732 error_report("invalid option");
2735 if (!strcmp(popt
->name
, r
+ 1))
2739 if (popt
->flags
& HAS_ARG
) {
2740 if (optind
>= argc
) {
2741 error_report("requires an argument");
2744 optarg
= argv
[optind
++];
2745 loc_set_cmdline(argv
, optind
- 2, 2);
2756 static gpointer
malloc_and_trace(gsize n_bytes
)
2758 void *ptr
= malloc(n_bytes
);
2759 trace_g_malloc(n_bytes
, ptr
);
2763 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2765 void *ptr
= realloc(mem
, n_bytes
);
2766 trace_g_realloc(mem
, n_bytes
, ptr
);
2770 static void free_and_trace(gpointer mem
)
2776 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2778 Object
*obj
= OBJECT(opaque
);
2779 StringInputVisitor
*siv
;
2780 Error
*local_err
= NULL
;
2782 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2786 siv
= string_input_visitor_new(value
);
2787 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2788 string_input_visitor_cleanup(siv
);
2791 qerror_report_err(local_err
);
2792 error_free(local_err
);
2799 static int object_create(QemuOpts
*opts
, void *opaque
)
2801 const char *type
= qemu_opt_get(opts
, "qom-type");
2802 const char *id
= qemu_opts_id(opts
);
2805 g_assert(type
!= NULL
);
2808 qerror_report(QERR_MISSING_PARAMETER
, "id");
2812 obj
= object_new(type
);
2813 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2818 object_property_add_child(container_get(object_get_root(), "/objects"),
2824 int main(int argc
, char **argv
, char **envp
)
2827 int snapshot
, linux_boot
;
2828 const char *icount_option
= NULL
;
2829 const char *initrd_filename
;
2830 const char *kernel_filename
, *kernel_cmdline
;
2831 const char *boot_order
;
2833 int cyls
, heads
, secs
, translation
;
2834 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2835 QemuOptsList
*olist
;
2838 const char *loadvm
= NULL
;
2839 QEMUMachine
*machine
;
2840 const char *cpu_model
;
2841 const char *vga_model
= "none";
2842 const char *qtest_chrdev
= NULL
;
2843 const char *qtest_log
= NULL
;
2844 const char *pid_file
= NULL
;
2845 const char *incoming
= NULL
;
2847 int show_vnc_port
= 0;
2849 bool defconfig
= true;
2850 bool userconfig
= true;
2851 const char *log_mask
= NULL
;
2852 const char *log_file
= NULL
;
2853 GMemVTable mem_trace
= {
2854 .malloc
= malloc_and_trace
,
2855 .realloc
= realloc_and_trace
,
2856 .free
= free_and_trace
,
2858 const char *trace_events
= NULL
;
2859 const char *trace_file
= NULL
;
2861 atexit(qemu_run_exit_notifiers
);
2862 error_set_progname(argv
[0]);
2864 g_mem_set_vtable(&mem_trace
);
2865 if (!g_thread_supported()) {
2866 #if !GLIB_CHECK_VERSION(2, 31, 0)
2867 g_thread_init(NULL
);
2869 fprintf(stderr
, "glib threading failed to initialize.\n");
2874 module_call_init(MODULE_INIT_QOM
);
2876 qemu_add_opts(&qemu_drive_opts
);
2877 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2878 qemu_add_drive_opts(&qemu_common_drive_opts
);
2879 qemu_add_drive_opts(&qemu_drive_opts
);
2880 qemu_add_opts(&qemu_chardev_opts
);
2881 qemu_add_opts(&qemu_device_opts
);
2882 qemu_add_opts(&qemu_netdev_opts
);
2883 qemu_add_opts(&qemu_net_opts
);
2884 qemu_add_opts(&qemu_rtc_opts
);
2885 qemu_add_opts(&qemu_global_opts
);
2886 qemu_add_opts(&qemu_mon_opts
);
2887 qemu_add_opts(&qemu_trace_opts
);
2888 qemu_add_opts(&qemu_option_rom_opts
);
2889 qemu_add_opts(&qemu_machine_opts
);
2890 qemu_add_opts(&qemu_smp_opts
);
2891 qemu_add_opts(&qemu_boot_opts
);
2892 qemu_add_opts(&qemu_sandbox_opts
);
2893 qemu_add_opts(&qemu_add_fd_opts
);
2894 qemu_add_opts(&qemu_object_opts
);
2895 qemu_add_opts(&qemu_tpmdev_opts
);
2896 qemu_add_opts(&qemu_realtime_opts
);
2897 qemu_add_opts(&qemu_msg_opts
);
2902 rtc_clock
= QEMU_CLOCK_HOST
;
2904 qemu_init_auxval(envp
);
2905 qemu_cache_utils_init();
2907 QLIST_INIT (&vm_change_state_head
);
2908 os_setup_early_signal_handling();
2910 module_call_init(MODULE_INIT_MACHINE
);
2911 machine
= find_default_machine();
2915 cyls
= heads
= secs
= 0;
2916 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2918 for (i
= 0; i
< MAX_NODES
; i
++) {
2920 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2926 bdrv_init_with_whitelist();
2930 /* first pass of option parsing */
2932 while (optind
< argc
) {
2933 if (argv
[optind
][0] != '-') {
2938 const QEMUOption
*popt
;
2940 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2941 switch (popt
->index
) {
2942 case QEMU_OPTION_nodefconfig
:
2945 case QEMU_OPTION_nouserconfig
:
2954 ret
= qemu_read_default_config_files(userconfig
);
2960 /* second pass of option parsing */
2965 if (argv
[optind
][0] != '-') {
2966 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2968 const QEMUOption
*popt
;
2970 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2971 if (!(popt
->arch_mask
& arch_type
)) {
2972 printf("Option %s not supported for this target\n", popt
->name
);
2975 switch(popt
->index
) {
2977 machine
= machine_parse(optarg
);
2979 case QEMU_OPTION_no_kvm_irqchip
: {
2980 olist
= qemu_find_opts("machine");
2981 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2984 case QEMU_OPTION_cpu
:
2985 /* hw initialization will check this */
2988 case QEMU_OPTION_hda
:
2992 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2994 snprintf(buf
, sizeof(buf
),
2995 "%s,cyls=%d,heads=%d,secs=%d%s",
2996 HD_OPTS
, cyls
, heads
, secs
,
2997 translation
== BIOS_ATA_TRANSLATION_LBA
?
2999 translation
== BIOS_ATA_TRANSLATION_NONE
?
3000 ",trans=none" : "");
3001 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3004 case QEMU_OPTION_hdb
:
3005 case QEMU_OPTION_hdc
:
3006 case QEMU_OPTION_hdd
:
3007 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3010 case QEMU_OPTION_drive
:
3011 if (drive_def(optarg
) == NULL
) {
3015 case QEMU_OPTION_set
:
3016 if (qemu_set_option(optarg
) != 0)
3019 case QEMU_OPTION_global
:
3020 if (qemu_global_option(optarg
) != 0)
3023 case QEMU_OPTION_mtdblock
:
3024 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3026 case QEMU_OPTION_sd
:
3027 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3029 case QEMU_OPTION_pflash
:
3030 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3032 case QEMU_OPTION_snapshot
:
3035 case QEMU_OPTION_hdachs
:
3039 cyls
= strtol(p
, (char **)&p
, 0);
3040 if (cyls
< 1 || cyls
> 16383)
3045 heads
= strtol(p
, (char **)&p
, 0);
3046 if (heads
< 1 || heads
> 16)
3051 secs
= strtol(p
, (char **)&p
, 0);
3052 if (secs
< 1 || secs
> 63)
3056 if (!strcmp(p
, "none"))
3057 translation
= BIOS_ATA_TRANSLATION_NONE
;
3058 else if (!strcmp(p
, "lba"))
3059 translation
= BIOS_ATA_TRANSLATION_LBA
;
3060 else if (!strcmp(p
, "auto"))
3061 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3064 } else if (*p
!= '\0') {
3066 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3069 if (hda_opts
!= NULL
) {
3071 snprintf(num
, sizeof(num
), "%d", cyls
);
3072 qemu_opt_set(hda_opts
, "cyls", num
);
3073 snprintf(num
, sizeof(num
), "%d", heads
);
3074 qemu_opt_set(hda_opts
, "heads", num
);
3075 snprintf(num
, sizeof(num
), "%d", secs
);
3076 qemu_opt_set(hda_opts
, "secs", num
);
3077 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3078 qemu_opt_set(hda_opts
, "trans", "lba");
3079 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3080 qemu_opt_set(hda_opts
, "trans", "none");
3084 case QEMU_OPTION_numa
:
3087 case QEMU_OPTION_display
:
3088 display_type
= select_display(optarg
);
3090 case QEMU_OPTION_nographic
:
3091 display_type
= DT_NOGRAPHIC
;
3093 case QEMU_OPTION_curses
:
3094 #ifdef CONFIG_CURSES
3095 display_type
= DT_CURSES
;
3097 fprintf(stderr
, "Curses support is disabled\n");
3101 case QEMU_OPTION_portrait
:
3102 graphic_rotate
= 90;
3104 case QEMU_OPTION_rotate
:
3105 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3106 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3107 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3109 "qemu: only 90, 180, 270 deg rotation is available\n");
3113 case QEMU_OPTION_kernel
:
3114 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3116 case QEMU_OPTION_initrd
:
3117 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3119 case QEMU_OPTION_append
:
3120 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3122 case QEMU_OPTION_dtb
:
3123 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3125 case QEMU_OPTION_cdrom
:
3126 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3128 case QEMU_OPTION_boot
:
3129 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3134 case QEMU_OPTION_fda
:
3135 case QEMU_OPTION_fdb
:
3136 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3139 case QEMU_OPTION_no_fd_bootchk
:
3142 case QEMU_OPTION_netdev
:
3143 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3147 case QEMU_OPTION_net
:
3148 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3152 #ifdef CONFIG_LIBISCSI
3153 case QEMU_OPTION_iscsi
:
3154 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3161 case QEMU_OPTION_tftp
:
3162 legacy_tftp_prefix
= optarg
;
3164 case QEMU_OPTION_bootp
:
3165 legacy_bootp_filename
= optarg
;
3167 case QEMU_OPTION_redir
:
3168 if (net_slirp_redir(optarg
) < 0)
3172 case QEMU_OPTION_bt
:
3173 add_device_config(DEV_BT
, optarg
);
3175 case QEMU_OPTION_audio_help
:
3179 case QEMU_OPTION_soundhw
:
3180 select_soundhw (optarg
);
3185 case QEMU_OPTION_version
:
3189 case QEMU_OPTION_m
: {
3194 value
= strtosz(optarg
, &end
);
3195 if (value
< 0 || *end
) {
3196 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3199 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3201 if (ram_size
!= sz
) {
3202 fprintf(stderr
, "qemu: ram size too large\n");
3208 case QEMU_OPTION_tpmdev
:
3209 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3214 case QEMU_OPTION_mempath
:
3217 case QEMU_OPTION_mem_prealloc
:
3227 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3229 case QEMU_OPTION_gdb
:
3230 add_device_config(DEV_GDB
, optarg
);
3233 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3234 data_dir
[data_dir_idx
++] = optarg
;
3237 case QEMU_OPTION_bios
:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3240 case QEMU_OPTION_singlestep
:
3247 keyboard_layout
= optarg
;
3249 case QEMU_OPTION_localtime
:
3252 case QEMU_OPTION_vga
:
3261 w
= strtol(p
, (char **)&p
, 10);
3264 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3270 h
= strtol(p
, (char **)&p
, 10);
3275 depth
= strtol(p
, (char **)&p
, 10);
3276 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3277 depth
!= 24 && depth
!= 32)
3279 } else if (*p
== '\0') {
3280 depth
= graphic_depth
;
3287 graphic_depth
= depth
;
3290 case QEMU_OPTION_echr
:
3293 term_escape_char
= strtol(optarg
, &r
, 0);
3295 printf("Bad argument to echr\n");
3298 case QEMU_OPTION_monitor
:
3299 default_monitor
= 0;
3300 if (strncmp(optarg
, "none", 4)) {
3301 monitor_parse(optarg
, "readline");
3304 case QEMU_OPTION_qmp
:
3305 monitor_parse(optarg
, "control");
3306 default_monitor
= 0;
3308 case QEMU_OPTION_mon
:
3309 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3313 default_monitor
= 0;
3315 case QEMU_OPTION_chardev
:
3316 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3321 case QEMU_OPTION_fsdev
:
3322 olist
= qemu_find_opts("fsdev");
3324 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3327 opts
= qemu_opts_parse(olist
, optarg
, 1);
3332 case QEMU_OPTION_virtfs
: {
3335 const char *writeout
, *sock_fd
, *socket
;
3337 olist
= qemu_find_opts("virtfs");
3339 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3342 opts
= qemu_opts_parse(olist
, optarg
, 1);
3347 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3348 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3349 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3352 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3353 qemu_opt_get(opts
, "mount_tag"),
3356 fprintf(stderr
, "duplicate fsdev id: %s\n",
3357 qemu_opt_get(opts
, "mount_tag"));
3361 writeout
= qemu_opt_get(opts
, "writeout");
3363 #ifdef CONFIG_SYNC_FILE_RANGE
3364 qemu_opt_set(fsdev
, "writeout", writeout
);
3366 fprintf(stderr
, "writeout=immediate not supported on "
3371 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3372 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3373 qemu_opt_set(fsdev
, "security_model",
3374 qemu_opt_get(opts
, "security_model"));
3375 socket
= qemu_opt_get(opts
, "socket");
3377 qemu_opt_set(fsdev
, "socket", socket
);
3379 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3381 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3384 qemu_opt_set_bool(fsdev
, "readonly",
3385 qemu_opt_get_bool(opts
, "readonly", 0));
3386 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3388 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3389 qemu_opt_set(device
, "fsdev",
3390 qemu_opt_get(opts
, "mount_tag"));
3391 qemu_opt_set(device
, "mount_tag",
3392 qemu_opt_get(opts
, "mount_tag"));
3395 case QEMU_OPTION_virtfs_synth
: {
3399 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3402 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3405 qemu_opt_set(fsdev
, "fsdriver", "synth");
3407 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3409 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3410 qemu_opt_set(device
, "fsdev", "v_synth");
3411 qemu_opt_set(device
, "mount_tag", "v_synth");
3414 case QEMU_OPTION_serial
:
3415 add_device_config(DEV_SERIAL
, optarg
);
3417 if (strncmp(optarg
, "mon:", 4) == 0) {
3418 default_monitor
= 0;
3421 case QEMU_OPTION_watchdog
:
3424 "qemu: only one watchdog option may be given\n");
3429 case QEMU_OPTION_watchdog_action
:
3430 if (select_watchdog_action(optarg
) == -1) {
3431 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3435 case QEMU_OPTION_virtiocon
:
3436 add_device_config(DEV_VIRTCON
, optarg
);
3437 default_virtcon
= 0;
3438 if (strncmp(optarg
, "mon:", 4) == 0) {
3439 default_monitor
= 0;
3442 case QEMU_OPTION_parallel
:
3443 add_device_config(DEV_PARALLEL
, optarg
);
3444 default_parallel
= 0;
3445 if (strncmp(optarg
, "mon:", 4) == 0) {
3446 default_monitor
= 0;
3449 case QEMU_OPTION_debugcon
:
3450 add_device_config(DEV_DEBUGCON
, optarg
);
3452 case QEMU_OPTION_loadvm
:
3455 case QEMU_OPTION_full_screen
:
3458 case QEMU_OPTION_no_frame
:
3461 case QEMU_OPTION_alt_grab
:
3464 case QEMU_OPTION_ctrl_grab
:
3467 case QEMU_OPTION_no_quit
:
3470 case QEMU_OPTION_sdl
:
3472 display_type
= DT_SDL
;
3475 fprintf(stderr
, "SDL support is disabled\n");
3478 case QEMU_OPTION_pidfile
:
3481 case QEMU_OPTION_win2k_hack
:
3482 win2k_install_hack
= 1;
3484 case QEMU_OPTION_rtc_td_hack
: {
3485 static GlobalProperty slew_lost_ticks
[] = {
3487 .driver
= "mc146818rtc",
3488 .property
= "lost_tick_policy",
3491 { /* end of list */ }
3494 qdev_prop_register_global_list(slew_lost_ticks
);
3497 case QEMU_OPTION_acpitable
:
3498 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3502 do_acpitable_option(opts
);
3504 case QEMU_OPTION_smbios
:
3505 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3509 do_smbios_option(opts
);
3511 case QEMU_OPTION_enable_kvm
:
3512 olist
= qemu_find_opts("machine");
3513 qemu_opts_parse(olist
, "accel=kvm", 0);
3515 case QEMU_OPTION_machine
:
3516 olist
= qemu_find_opts("machine");
3517 opts
= qemu_opts_parse(olist
, optarg
, 1);
3521 optarg
= qemu_opt_get(opts
, "type");
3523 machine
= machine_parse(optarg
);
3526 case QEMU_OPTION_no_kvm
:
3527 olist
= qemu_find_opts("machine");
3528 qemu_opts_parse(olist
, "accel=tcg", 0);
3530 case QEMU_OPTION_no_kvm_pit
: {
3531 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3535 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3536 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3538 .driver
= "kvm-pit",
3539 .property
= "lost_tick_policy",
3542 { /* end of list */ }
3545 fprintf(stderr
, "Warning: option deprecated, use "
3546 "lost_tick_policy property of kvm-pit instead.\n");
3547 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3550 case QEMU_OPTION_usb
:
3551 olist
= qemu_find_opts("machine");
3552 qemu_opts_parse(olist
, "usb=on", 0);
3554 case QEMU_OPTION_usbdevice
:
3555 olist
= qemu_find_opts("machine");
3556 qemu_opts_parse(olist
, "usb=on", 0);
3557 add_device_config(DEV_USB
, optarg
);
3559 case QEMU_OPTION_device
:
3560 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3564 case QEMU_OPTION_smp
:
3565 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3569 case QEMU_OPTION_vnc
:
3572 vnc_display
= optarg
;
3574 fprintf(stderr
, "VNC support is disabled\n");
3578 case QEMU_OPTION_no_acpi
:
3581 case QEMU_OPTION_no_hpet
:
3584 case QEMU_OPTION_balloon
:
3585 if (balloon_parse(optarg
) < 0) {
3586 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3590 case QEMU_OPTION_no_reboot
:
3593 case QEMU_OPTION_no_shutdown
:
3596 case QEMU_OPTION_show_cursor
:
3599 case QEMU_OPTION_uuid
:
3600 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3601 fprintf(stderr
, "Fail to parse UUID string."
3602 " Wrong format.\n");
3605 qemu_uuid_set
= true;
3607 case QEMU_OPTION_option_rom
:
3608 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3609 fprintf(stderr
, "Too many option ROMs\n");
3612 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3616 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3617 option_rom
[nb_option_roms
].bootindex
=
3618 qemu_opt_get_number(opts
, "bootindex", -1);
3619 if (!option_rom
[nb_option_roms
].name
) {
3620 fprintf(stderr
, "Option ROM file is not specified\n");
3625 case QEMU_OPTION_semihosting
:
3626 semihosting_enabled
= 1;
3628 case QEMU_OPTION_tdf
:
3629 fprintf(stderr
, "Warning: user space PIT time drift fix "
3630 "is no longer supported.\n");
3632 case QEMU_OPTION_name
:
3633 qemu_name
= g_strdup(optarg
);
3635 char *p
= strchr(qemu_name
, ',');
3638 if (strncmp(p
, "process=", 8)) {
3639 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3643 os_set_proc_name(p
);
3647 case QEMU_OPTION_prom_env
:
3648 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3649 fprintf(stderr
, "Too many prom variables\n");
3652 prom_envs
[nb_prom_envs
] = optarg
;
3655 case QEMU_OPTION_old_param
:
3658 case QEMU_OPTION_clock
:
3659 /* Clock options no longer exist. Keep this option for
3660 * backward compatibility.
3663 case QEMU_OPTION_startdate
:
3664 configure_rtc_date_offset(optarg
, 1);
3666 case QEMU_OPTION_rtc
:
3667 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3671 configure_rtc(opts
);
3673 case QEMU_OPTION_tb_size
:
3674 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3675 if (tcg_tb_size
< 0) {
3679 case QEMU_OPTION_icount
:
3680 icount_option
= optarg
;
3682 case QEMU_OPTION_incoming
:
3684 runstate_set(RUN_STATE_INMIGRATE
);
3686 case QEMU_OPTION_nodefaults
:
3688 default_parallel
= 0;
3689 default_virtcon
= 0;
3691 default_monitor
= 0;
3698 case QEMU_OPTION_xen_domid
:
3699 if (!(xen_available())) {
3700 printf("Option %s not supported for this target\n", popt
->name
);
3703 xen_domid
= atoi(optarg
);
3705 case QEMU_OPTION_xen_create
:
3706 if (!(xen_available())) {
3707 printf("Option %s not supported for this target\n", popt
->name
);
3710 xen_mode
= XEN_CREATE
;
3712 case QEMU_OPTION_xen_attach
:
3713 if (!(xen_available())) {
3714 printf("Option %s not supported for this target\n", popt
->name
);
3717 xen_mode
= XEN_ATTACH
;
3719 case QEMU_OPTION_trace
:
3721 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3725 trace_events
= qemu_opt_get(opts
, "events");
3726 trace_file
= qemu_opt_get(opts
, "file");
3729 case QEMU_OPTION_readconfig
:
3731 int ret
= qemu_read_config_file(optarg
);
3733 fprintf(stderr
, "read config %s: %s\n", optarg
,
3739 case QEMU_OPTION_spice
:
3740 olist
= qemu_find_opts("spice");
3742 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3745 opts
= qemu_opts_parse(olist
, optarg
, 0);
3751 case QEMU_OPTION_writeconfig
:
3754 if (strcmp(optarg
, "-") == 0) {
3757 fp
= fopen(optarg
, "w");
3759 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3763 qemu_config_write(fp
);
3767 case QEMU_OPTION_qtest
:
3768 qtest_chrdev
= optarg
;
3770 case QEMU_OPTION_qtest_log
:
3773 case QEMU_OPTION_sandbox
:
3774 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3779 case QEMU_OPTION_add_fd
:
3781 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3786 error_report("File descriptor passing is disabled on this "
3791 case QEMU_OPTION_object
:
3792 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3797 case QEMU_OPTION_realtime
:
3798 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3802 configure_realtime(opts
);
3804 case QEMU_OPTION_msg
:
3805 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3809 configure_msg(opts
);
3812 os_parse_cmd_args(popt
->index
, optarg
);
3818 if (qemu_init_main_loop()) {
3819 fprintf(stderr
, "qemu_init_main_loop failed\n");
3823 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3828 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3832 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3837 if (machine
== NULL
) {
3838 fprintf(stderr
, "No machine found.\n");
3842 if (machine
->hw_version
) {
3843 qemu_set_version(machine
->hw_version
);
3846 if (qemu_opts_foreach(qemu_find_opts("object"),
3847 object_create
, NULL
, 0) != 0) {
3851 /* Init CPU def lists, based on config
3852 * - Must be called after all the qemu_read_config_file() calls
3853 * - Must be called before list_cpus()
3854 * - Must be called before machine->init()
3858 if (cpu_model
&& is_help_option(cpu_model
)) {
3859 list_cpus(stdout
, &fprintf
, cpu_model
);
3863 /* Open the logfile at this point, if necessary. We can't open the logfile
3864 * when encountering either of the logging options (-d or -D) because the
3865 * other one may be encountered later on the command line, changing the
3866 * location or level of logging.
3871 qemu_set_log_filename(log_file
);
3874 mask
= qemu_str_to_log_mask(log_mask
);
3876 qemu_print_log_usage(stdout
);
3882 if (!is_daemonized()) {
3883 if (!trace_backend_init(trace_events
, trace_file
)) {
3888 /* If no data_dir is specified then try to find it relative to the
3890 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3891 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3892 if (data_dir
[data_dir_idx
] != NULL
) {
3896 /* If all else fails use the install path specified when building. */
3897 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3898 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3901 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3903 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3904 if (smp_cpus
> machine
->max_cpus
) {
3905 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3906 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3912 * Get the default machine options from the machine if it is not already
3913 * specified either by the configuration file or by the command line.
3915 if (machine
->default_machine_opts
) {
3916 qemu_opts_set_defaults(qemu_find_opts("machine"),
3917 machine
->default_machine_opts
, 0);
3920 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3921 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3923 if (machine
->no_serial
) {
3926 if (machine
->no_parallel
) {
3927 default_parallel
= 0;
3929 if (!machine
->use_virtcon
) {
3930 default_virtcon
= 0;
3932 if (!machine
->use_sclp
) {
3935 if (machine
->no_floppy
) {
3938 if (machine
->no_cdrom
) {
3941 if (machine
->no_sdcard
) {
3945 if (is_daemonized()) {
3946 /* According to documentation and historically, -nographic redirects
3947 * serial port, parallel port and monitor to stdio, which does not work
3948 * with -daemonize. We can redirect these to null instead, but since
3949 * -nographic is legacy, let's just error out.
3950 * We disallow -nographic only if all other ports are not redirected
3951 * explicitly, to not break existing legacy setups which uses
3952 * -nographic _and_ redirects all ports explicitly - this is valid
3953 * usage, -nographic is just a no-op in this case.
3955 if (display_type
== DT_NOGRAPHIC
3956 && (default_parallel
|| default_serial
3957 || default_monitor
|| default_virtcon
)) {
3958 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3961 #ifdef CONFIG_CURSES
3962 if (display_type
== DT_CURSES
) {
3963 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3969 if (display_type
== DT_NOGRAPHIC
) {
3970 if (default_parallel
)
3971 add_device_config(DEV_PARALLEL
, "null");
3972 if (default_serial
&& default_monitor
) {
3973 add_device_config(DEV_SERIAL
, "mon:stdio");
3974 } else if (default_virtcon
&& default_monitor
) {
3975 add_device_config(DEV_VIRTCON
, "mon:stdio");
3976 } else if (default_sclp
&& default_monitor
) {
3977 add_device_config(DEV_SCLP
, "mon:stdio");
3980 add_device_config(DEV_SERIAL
, "stdio");
3981 if (default_virtcon
)
3982 add_device_config(DEV_VIRTCON
, "stdio");
3984 add_device_config(DEV_SCLP
, "stdio");
3986 if (default_monitor
)
3987 monitor_parse("stdio", "readline");
3991 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3992 if (default_parallel
)
3993 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3994 if (default_monitor
)
3995 monitor_parse("vc:80Cx24C", "readline");
3996 if (default_virtcon
)
3997 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3999 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4003 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4004 #if defined(CONFIG_GTK)
4005 display_type
= DT_GTK
;
4006 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4007 display_type
= DT_SDL
;
4008 #elif defined(CONFIG_VNC)
4009 vnc_display
= "localhost:0,to=99";
4012 display_type
= DT_NONE
;
4016 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4017 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4018 "for SDL, ignoring option\n");
4020 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4021 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4022 "ignoring option\n");
4025 #if defined(CONFIG_GTK)
4026 if (display_type
== DT_GTK
) {
4027 early_gtk_display_init();
4033 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4035 #ifdef CONFIG_VIRTFS
4036 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4043 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4048 /* init the memory */
4049 if (ram_size
== 0) {
4050 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4053 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4058 configure_accelerator();
4061 qtest_init(qtest_chrdev
, qtest_log
);
4064 machine_opts
= qemu_get_machine_opts();
4065 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4066 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4067 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4068 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4070 boot_order
= machine
->default_boot_order
;
4071 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4073 char *normal_boot_order
;
4074 const char *order
, *once
;
4076 order
= qemu_opt_get(opts
, "order");
4078 validate_bootdevices(order
);
4082 once
= qemu_opt_get(opts
, "once");
4084 validate_bootdevices(once
);
4085 normal_boot_order
= g_strdup(boot_order
);
4087 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4090 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4091 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4094 if (!kernel_cmdline
) {
4095 kernel_cmdline
= "";
4098 linux_boot
= (kernel_filename
!= NULL
);
4100 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4101 fprintf(stderr
, "-append only allowed with -kernel option\n");
4105 if (!linux_boot
&& initrd_filename
!= NULL
) {
4106 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4110 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4111 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4115 os_set_line_buffering();
4117 qemu_init_cpu_loop();
4118 qemu_mutex_lock_iothread();
4121 /* spice needs the timers to be initialized by this point */
4125 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4126 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4129 configure_icount(icount_option
);
4131 /* clean up network at qemu process termination */
4132 atexit(&net_cleanup
);
4134 if (net_init_clients() < 0) {
4139 if (tpm_init() < 0) {
4144 /* init the bluetooth world */
4145 if (foreach_device_config(DEV_BT
, bt_parse
))
4148 if (!xen_enabled()) {
4149 /* On 32-bit hosts, QEMU is limited by virtual address space */
4150 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4151 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4156 cpu_exec_init_all();
4160 /* open the virtual block devices */
4162 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4163 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4164 &machine
->block_default_type
, 1) != 0) {
4168 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4170 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4171 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4173 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4175 if (nb_numa_nodes
> 0) {
4178 if (nb_numa_nodes
> MAX_NODES
) {
4179 nb_numa_nodes
= MAX_NODES
;
4182 /* If no memory size if given for any node, assume the default case
4183 * and distribute the available memory equally across all nodes
4185 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4186 if (node_mem
[i
] != 0)
4189 if (i
== nb_numa_nodes
) {
4190 uint64_t usedmem
= 0;
4192 /* On Linux, the each node's border has to be 8MB aligned,
4193 * the final node gets the rest.
4195 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4196 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4197 usedmem
+= node_mem
[i
];
4199 node_mem
[i
] = ram_size
- usedmem
;
4202 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4203 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4207 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4208 * must cope with this anyway, because there are BIOSes out there in
4209 * real machines which also use this scheme.
4211 if (i
== nb_numa_nodes
) {
4212 for (i
= 0; i
< max_cpus
; i
++) {
4213 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4218 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4222 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4224 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4226 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4228 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4231 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4234 /* If no default VGA is requested, the default is "none". */
4236 if (cirrus_vga_available()) {
4237 vga_model
= "cirrus";
4238 } else if (vga_available()) {
4242 select_vgahw(vga_model
);
4245 i
= select_watchdog(watchdog
);
4247 exit (i
== 1 ? 1 : 0);
4250 if (machine
->compat_props
) {
4251 qdev_prop_register_global_list(machine
->compat_props
);
4255 qdev_machine_init();
4257 QEMUMachineInitArgs args
= { .machine
= machine
,
4258 .ram_size
= ram_size
,
4259 .boot_order
= boot_order
,
4260 .kernel_filename
= kernel_filename
,
4261 .kernel_cmdline
= kernel_cmdline
,
4262 .initrd_filename
= initrd_filename
,
4263 .cpu_model
= cpu_model
};
4264 machine
->init(&args
);
4268 cpu_synchronize_all_post_init();
4272 current_machine
= machine
;
4274 /* init USB devices */
4275 if (usb_enabled(false)) {
4276 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4280 /* init generic devices */
4281 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4284 net_check_clients();
4286 ds
= init_displaystate();
4288 /* init local displays */
4289 switch (display_type
) {
4291 (void)ds
; /* avoid warning if no display is configured */
4293 #if defined(CONFIG_CURSES)
4295 curses_display_init(ds
, full_screen
);
4298 #if defined(CONFIG_SDL)
4300 sdl_display_init(ds
, full_screen
, no_frame
);
4302 #elif defined(CONFIG_COCOA)
4304 cocoa_display_init(ds
, full_screen
);
4307 #if defined(CONFIG_GTK)
4309 gtk_display_init(ds
, full_screen
);
4316 /* must be after terminal init, SDL library changes signal handlers */
4317 os_setup_signal_handling();
4320 /* init remote displays */
4322 Error
*local_err
= NULL
;
4323 vnc_display_init(ds
);
4324 vnc_display_open(ds
, vnc_display
, &local_err
);
4325 if (local_err
!= NULL
) {
4326 error_report("Failed to start VNC server on `%s': %s",
4327 vnc_display
, error_get_pretty(local_err
));
4328 error_free(local_err
);
4332 if (show_vnc_port
) {
4333 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4339 qemu_spice_display_init();
4343 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4347 qdev_machine_creation_done();
4349 if (rom_load_all() != 0) {
4350 fprintf(stderr
, "rom loading failed\n");
4354 /* TODO: once all bus devices are qdevified, this should be done
4355 * when bus is created by qdev.c */
4356 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4357 qemu_run_machine_init_done_notifiers();
4359 /* Done notifiers can load ROMs */
4362 qemu_system_reset(VMRESET_SILENT
);
4364 if (load_vmstate(loadvm
) < 0) {
4370 Error
*local_err
= NULL
;
4371 qemu_start_incoming_migration(incoming
, &local_err
);
4373 error_report("-incoming %s: %s", incoming
,
4374 error_get_pretty(local_err
));
4375 error_free(local_err
);
4378 } else if (autostart
) {
4384 if (is_daemonized()) {
4385 if (!trace_backend_init(trace_events
, trace_file
)) {