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>
93 # define CONFIG_CHROOT
101 #if defined(__APPLE__) || defined(main)
103 int qemu_main(int argc
, char **argv
);
104 int main(int argc
, char **argv
)
106 return qemu_main(argc
, argv
);
109 #define main qemu_main
111 #endif /* CONFIG_SDL */
115 #define main qemu_main
116 #endif /* CONFIG_COCOA */
121 #include "hw/boards.h"
123 #include "hw/pcmcia.h"
124 #include "hw/i386/pc.h"
125 #include "hw/isa/isa.h"
127 #include "sysemu/watchdog.h"
128 #include "hw/i386/smbios.h"
129 #include "hw/xen/xen.h"
131 #include "hw/loader.h"
132 #include "monitor/qdev.h"
133 #include "sysemu/bt.h"
135 #include "net/slirp.h"
136 #include "monitor/monitor.h"
137 #include "ui/console.h"
138 #include "sysemu/sysemu.h"
139 #include "exec/gdbstub.h"
140 #include "qemu/timer.h"
141 #include "sysemu/char.h"
142 #include "qemu/cache-utils.h"
143 #include "sysemu/blockdev.h"
144 #include "hw/block/block.h"
145 #include "migration/block.h"
146 #include "sysemu/tpm.h"
147 #include "sysemu/dma.h"
148 #include "audio/audio.h"
149 #include "migration/migration.h"
150 #include "sysemu/kvm.h"
151 #include "qapi/qmp/qjson.h"
152 #include "qemu/option.h"
153 #include "qemu/config-file.h"
154 #include "qemu-options.h"
155 #include "qmp-commands.h"
156 #include "qemu/main-loop.h"
158 #include "fsdev/qemu-fsdev.h"
160 #include "sysemu/qtest.h"
162 #include "disas/disas.h"
164 #include "qemu/sockets.h"
166 #include "slirp/libslirp.h"
169 #include "trace/control.h"
170 #include "qemu/queue.h"
171 #include "sysemu/cpus.h"
172 #include "sysemu/arch_init.h"
173 #include "qemu/osdep.h"
175 #include "ui/qemu-spice.h"
176 #include "qapi/string-input-visitor.h"
177 #include "qom/object_interfaces.h"
180 //#define DEBUG_SLIRP
182 #define DEFAULT_RAM_SIZE 128
184 #define MAX_VIRTIO_CONSOLES 1
185 #define MAX_SCLP_CONSOLES 1
187 static const char *data_dir
[16];
188 static int data_dir_idx
;
189 const char *bios_name
= NULL
;
190 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
191 DisplayType display_type
= DT_DEFAULT
;
192 static int display_remote
;
193 const char* keyboard_layout
= NULL
;
195 const char *mem_path
= NULL
;
196 int mem_prealloc
= 0; /* force preallocation of physical target memory */
198 NICInfo nd_table
[MAX_NICS
];
200 static int rtc_utc
= 1;
201 static int rtc_date_offset
= -1; /* -1 means no change */
202 QEMUClockType rtc_clock
;
203 int vga_interface_type
= VGA_NONE
;
204 static int full_screen
= 0;
205 static int no_frame
= 0;
207 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
208 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
209 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
210 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
211 int win2k_install_hack
= 0;
218 const char *vnc_display
;
220 int acpi_enabled
= 1;
223 static int no_reboot
;
226 int graphic_rotate
= 0;
227 const char *watchdog
;
228 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
230 int semihosting_enabled
= 0;
232 const char *qemu_name
;
235 unsigned int nb_prom_envs
= 0;
236 const char *prom_envs
[MAX_PROM_ENVS
];
238 static bool boot_strict
;
239 uint8_t *boot_splash_filedata
;
240 size_t boot_splash_filedata_size
;
241 uint8_t qemu_extra_params_fw
[2];
243 typedef struct FWBootEntry FWBootEntry
;
246 QTAILQ_ENTRY(FWBootEntry
) link
;
252 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
253 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
256 uint64_t node_mem
[MAX_NODES
];
257 unsigned long *node_cpumask
[MAX_NODES
];
259 uint8_t qemu_uuid
[16];
262 /* Trace unassigned memory or i/o accesses. */
263 bool trace_unassigned
;
265 static QEMUBootSetHandler
*boot_set_handler
;
266 static void *boot_set_opaque
;
268 static NotifierList exit_notifiers
=
269 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
271 static NotifierList machine_init_done_notifiers
=
272 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
274 static bool tcg_allowed
= true;
277 enum xen_mode xen_mode
= XEN_EMULATE
;
278 static int tcg_tb_size
;
280 static int default_serial
= 1;
281 static int default_parallel
= 1;
282 static int default_virtcon
= 1;
283 static int default_sclp
= 1;
284 static int default_monitor
= 1;
285 static int default_floppy
= 1;
286 static int default_cdrom
= 1;
287 static int default_sdcard
= 1;
288 static int default_vga
= 1;
294 { .driver
= "isa-serial", .flag
= &default_serial
},
295 { .driver
= "isa-parallel", .flag
= &default_parallel
},
296 { .driver
= "isa-fdc", .flag
= &default_floppy
},
297 { .driver
= "ide-cd", .flag
= &default_cdrom
},
298 { .driver
= "ide-hd", .flag
= &default_cdrom
},
299 { .driver
= "ide-drive", .flag
= &default_cdrom
},
300 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
301 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
302 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
303 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
304 { .driver
= "VGA", .flag
= &default_vga
},
305 { .driver
= "isa-vga", .flag
= &default_vga
},
306 { .driver
= "cirrus-vga", .flag
= &default_vga
},
307 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
308 { .driver
= "vmware-svga", .flag
= &default_vga
},
309 { .driver
= "qxl-vga", .flag
= &default_vga
},
312 static QemuOptsList qemu_rtc_opts
= {
314 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
318 .type
= QEMU_OPT_STRING
,
321 .type
= QEMU_OPT_STRING
,
324 .type
= QEMU_OPT_STRING
,
326 { /* end of list */ }
330 static QemuOptsList qemu_sandbox_opts
= {
332 .implied_opt_name
= "enable",
333 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
337 .type
= QEMU_OPT_BOOL
,
339 { /* end of list */ }
343 static QemuOptsList qemu_trace_opts
= {
345 .implied_opt_name
= "trace",
346 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
350 .type
= QEMU_OPT_STRING
,
353 .type
= QEMU_OPT_STRING
,
355 { /* end of list */ }
359 static QemuOptsList qemu_option_rom_opts
= {
360 .name
= "option-rom",
361 .implied_opt_name
= "romfile",
362 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
366 .type
= QEMU_OPT_NUMBER
,
369 .type
= QEMU_OPT_STRING
,
371 { /* end of list */ }
375 static QemuOptsList qemu_machine_opts
= {
377 .implied_opt_name
= "type",
379 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
383 .type
= QEMU_OPT_STRING
,
384 .help
= "emulated machine"
387 .type
= QEMU_OPT_STRING
,
388 .help
= "accelerator list",
390 .name
= "kernel_irqchip",
391 .type
= QEMU_OPT_BOOL
,
392 .help
= "use KVM in-kernel irqchip",
394 .name
= "kvm_shadow_mem",
395 .type
= QEMU_OPT_SIZE
,
396 .help
= "KVM shadow MMU size",
399 .type
= QEMU_OPT_STRING
,
400 .help
= "Linux kernel image file",
403 .type
= QEMU_OPT_STRING
,
404 .help
= "Linux initial ramdisk file",
407 .type
= QEMU_OPT_STRING
,
408 .help
= "Linux kernel command line",
411 .type
= QEMU_OPT_STRING
,
412 .help
= "Linux kernel device tree file",
415 .type
= QEMU_OPT_STRING
,
416 .help
= "Dump current dtb to a file and quit",
418 .name
= "phandle_start",
419 .type
= QEMU_OPT_NUMBER
,
420 .help
= "The first phandle ID we may generate dynamically",
422 .name
= "dt_compatible",
423 .type
= QEMU_OPT_STRING
,
424 .help
= "Overrides the \"compatible\" property of the dt root node",
426 .name
= "dump-guest-core",
427 .type
= QEMU_OPT_BOOL
,
428 .help
= "Include guest memory in a core dump",
431 .type
= QEMU_OPT_BOOL
,
432 .help
= "enable/disable memory merge support",
435 .type
= QEMU_OPT_BOOL
,
436 .help
= "Set on/off to enable/disable usb",
439 .type
= QEMU_OPT_STRING
,
440 .help
= "firmware image",
442 { /* End of list */ }
446 static QemuOptsList qemu_boot_opts
= {
448 .implied_opt_name
= "order",
450 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
454 .type
= QEMU_OPT_STRING
,
457 .type
= QEMU_OPT_STRING
,
460 .type
= QEMU_OPT_BOOL
,
463 .type
= QEMU_OPT_STRING
,
465 .name
= "splash-time",
466 .type
= QEMU_OPT_STRING
,
468 .name
= "reboot-timeout",
469 .type
= QEMU_OPT_STRING
,
472 .type
= QEMU_OPT_BOOL
,
478 static QemuOptsList qemu_add_fd_opts
= {
480 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
484 .type
= QEMU_OPT_NUMBER
,
485 .help
= "file descriptor of which a duplicate is added to fd set",
488 .type
= QEMU_OPT_NUMBER
,
489 .help
= "ID of the fd set to add fd to",
492 .type
= QEMU_OPT_STRING
,
493 .help
= "free-form string used to describe fd",
495 { /* end of list */ }
499 static QemuOptsList qemu_object_opts
= {
501 .implied_opt_name
= "qom-type",
502 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
508 static QemuOptsList qemu_tpmdev_opts
= {
510 .implied_opt_name
= "type",
511 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
513 /* options are defined in the TPM backends */
514 { /* end of list */ }
518 static QemuOptsList qemu_realtime_opts
= {
520 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
524 .type
= QEMU_OPT_BOOL
,
526 { /* end of list */ }
530 static QemuOptsList qemu_msg_opts
= {
532 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
536 .type
= QEMU_OPT_BOOL
,
538 { /* end of list */ }
543 * Get machine options
545 * Returns: machine options (never null).
547 QemuOpts
*qemu_get_machine_opts(void)
552 list
= qemu_find_opts("machine");
554 opts
= qemu_opts_find(list
, NULL
);
556 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
561 const char *qemu_get_vm_name(void)
566 static void res_free(void)
568 if (boot_splash_filedata
!= NULL
) {
569 g_free(boot_splash_filedata
);
570 boot_splash_filedata
= NULL
;
574 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
576 const char *driver
= qemu_opt_get(opts
, "driver");
581 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
582 if (strcmp(default_list
[i
].driver
, driver
) != 0)
584 *(default_list
[i
].flag
) = 0;
589 /***********************************************************/
592 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
597 } RunStateTransition
;
599 static const RunStateTransition runstate_transitions_def
[] = {
601 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
602 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
605 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
607 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
608 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
611 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
613 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
614 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
616 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
617 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
619 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
620 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
621 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
623 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
624 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
626 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
628 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
629 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
630 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
631 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
632 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
633 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
634 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
635 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
636 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
637 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
639 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
641 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
642 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
644 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
645 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
646 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
647 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
649 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
650 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
652 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
653 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
655 { RUN_STATE_MAX
, RUN_STATE_MAX
},
658 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
660 bool runstate_check(RunState state
)
662 return current_run_state
== state
;
665 static void runstate_init(void)
667 const RunStateTransition
*p
;
669 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
671 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
672 runstate_valid_transitions
[p
->from
][p
->to
] = true;
676 /* This function will abort() on invalid state transitions */
677 void runstate_set(RunState new_state
)
679 assert(new_state
< RUN_STATE_MAX
);
681 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
682 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
683 RunState_lookup
[current_run_state
],
684 RunState_lookup
[new_state
]);
687 trace_runstate_set(new_state
);
688 current_run_state
= new_state
;
691 int runstate_is_running(void)
693 return runstate_check(RUN_STATE_RUNNING
);
696 bool runstate_needs_reset(void)
698 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
699 runstate_check(RUN_STATE_SHUTDOWN
);
702 StatusInfo
*qmp_query_status(Error
**errp
)
704 StatusInfo
*info
= g_malloc0(sizeof(*info
));
706 info
->running
= runstate_is_running();
707 info
->singlestep
= singlestep
;
708 info
->status
= current_run_state
;
713 /***********************************************************/
714 /* real time host monotonic timer */
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm
*tm
, int offset
)
724 if (rtc_date_offset
== -1) {
728 localtime_r(&ti
, tm
);
730 ti
-= rtc_date_offset
;
735 int qemu_timedate_diff(struct tm
*tm
)
739 if (rtc_date_offset
== -1)
741 seconds
= mktimegm(tm
);
744 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
745 seconds
= mktime(&tmp
);
748 seconds
= mktimegm(tm
) + rtc_date_offset
;
750 return seconds
- time(NULL
);
753 void rtc_change_mon_event(struct tm
*tm
)
757 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
758 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
759 qobject_decref(data
);
762 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
764 time_t rtc_start_date
;
767 if (!strcmp(startdate
, "now") && legacy
) {
768 rtc_date_offset
= -1;
770 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
778 } else if (sscanf(startdate
, "%d-%d-%d",
790 rtc_start_date
= mktimegm(&tm
);
791 if (rtc_start_date
== -1) {
793 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
794 "'2006-06-17T16:01:21' or '2006-06-17'\n");
797 rtc_date_offset
= time(NULL
) - rtc_start_date
;
801 static void configure_rtc(QemuOpts
*opts
)
805 value
= qemu_opt_get(opts
, "base");
807 if (!strcmp(value
, "utc")) {
809 } else if (!strcmp(value
, "localtime")) {
812 configure_rtc_date_offset(value
, 0);
815 value
= qemu_opt_get(opts
, "clock");
817 if (!strcmp(value
, "host")) {
818 rtc_clock
= QEMU_CLOCK_HOST
;
819 } else if (!strcmp(value
, "rt")) {
820 rtc_clock
= QEMU_CLOCK_REALTIME
;
821 } else if (!strcmp(value
, "vm")) {
822 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
824 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
828 value
= qemu_opt_get(opts
, "driftfix");
830 if (!strcmp(value
, "slew")) {
831 static GlobalProperty slew_lost_ticks
[] = {
833 .driver
= "mc146818rtc",
834 .property
= "lost_tick_policy",
837 { /* end of list */ }
840 qdev_prop_register_global_list(slew_lost_ticks
);
841 } else if (!strcmp(value
, "none")) {
842 /* discard is default */
844 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
850 /***********************************************************/
851 /* Bluetooth support */
854 static struct HCIInfo
*hci_table
[MAX_NICS
];
856 struct HCIInfo
*qemu_next_hci(void)
858 if (cur_hci
== nb_hcis
)
861 return hci_table
[cur_hci
++];
864 static int bt_hci_parse(const char *str
)
869 if (nb_hcis
>= MAX_NICS
) {
870 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
883 bdaddr
.b
[5] = 0x56 + nb_hcis
;
884 hci
->bdaddr_set(hci
, bdaddr
.b
);
886 hci_table
[nb_hcis
++] = hci
;
891 static void bt_vhci_add(int vlan_id
)
893 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
896 fprintf(stderr
, "qemu: warning: adding a VHCI to "
897 "an empty scatternet %i\n", vlan_id
);
899 bt_vhci_init(bt_new_hci(vlan
));
902 static struct bt_device_s
*bt_device_add(const char *opt
)
904 struct bt_scatternet_s
*vlan
;
906 char *endp
= strstr(opt
, ",vlan=");
907 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
910 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
913 vlan_id
= strtol(endp
+ 6, &endp
, 0);
915 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
920 vlan
= qemu_find_bt_vlan(vlan_id
);
923 fprintf(stderr
, "qemu: warning: adding a slave device to "
924 "an empty scatternet %i\n", vlan_id
);
926 if (!strcmp(devname
, "keyboard"))
927 return bt_keyboard_init(vlan
);
929 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
933 static int bt_parse(const char *opt
)
935 const char *endp
, *p
;
938 if (strstart(opt
, "hci", &endp
)) {
939 if (!*endp
|| *endp
== ',') {
941 if (!strstart(endp
, ",vlan=", 0))
944 return bt_hci_parse(opt
);
946 } else if (strstart(opt
, "vhci", &endp
)) {
947 if (!*endp
|| *endp
== ',') {
949 if (strstart(endp
, ",vlan=", &p
)) {
950 vlan
= strtol(p
, (char **) &endp
, 0);
952 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
956 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
965 } else if (strstart(opt
, "device:", &endp
))
966 return !bt_device_add(endp
);
968 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
972 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
974 /* FIXME: change this to true for 1.3 */
975 if (qemu_opt_get_bool(opts
, "enable", false)) {
976 #ifdef CONFIG_SECCOMP
977 if (seccomp_start() < 0) {
978 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
979 "failed to install seccomp syscall filter in the kernel");
983 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
984 "sandboxing request but seccomp is not compiled into this build");
992 bool usb_enabled(bool default_usb
)
994 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
998 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1000 int fd
, dupfd
, flags
;
1002 const char *fd_opaque
= NULL
;
1004 fd
= qemu_opt_get_number(opts
, "fd", -1);
1005 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1006 fd_opaque
= qemu_opt_get(opts
, "opaque");
1009 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1010 "fd option is required and must be non-negative");
1014 if (fd
<= STDERR_FILENO
) {
1015 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1016 "fd cannot be a standard I/O stream");
1021 * All fds inherited across exec() necessarily have FD_CLOEXEC
1022 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1024 flags
= fcntl(fd
, F_GETFD
);
1025 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1027 "fd is not valid or already in use");
1032 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1033 "set option is required and must be non-negative");
1037 #ifdef F_DUPFD_CLOEXEC
1038 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1042 qemu_set_cloexec(dupfd
);
1046 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1047 "Error duplicating fd: %s", strerror(errno
));
1051 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1052 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1058 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1062 fd
= qemu_opt_get_number(opts
, "fd", -1);
1069 /***********************************************************/
1070 /* QEMU Block devices */
1072 #define HD_OPTS "media=disk"
1073 #define CDROM_OPTS "media=cdrom"
1075 #define PFLASH_OPTS ""
1079 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1081 BlockInterfaceType
*block_default_type
= opaque
;
1083 return drive_init(opts
, *block_default_type
) == NULL
;
1086 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1088 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1089 qemu_opt_set(opts
, "snapshot", "on");
1094 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1095 int index
, const char *optstr
)
1099 if (!enable
|| drive_get_by_index(type
, index
)) {
1103 opts
= drive_add(type
, index
, NULL
, optstr
);
1105 drive_enable_snapshot(opts
, NULL
);
1107 if (!drive_init(opts
, type
)) {
1112 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1114 boot_set_handler
= func
;
1115 boot_set_opaque
= opaque
;
1118 int qemu_boot_set(const char *boot_order
)
1120 if (!boot_set_handler
) {
1123 return boot_set_handler(boot_set_opaque
, boot_order
);
1126 static void validate_bootdevices(const char *devices
)
1128 /* We just do some generic consistency checks */
1132 for (p
= devices
; *p
!= '\0'; p
++) {
1133 /* Allowed boot devices are:
1134 * a-b: floppy disk drives
1135 * c-f: IDE disk drives
1136 * g-m: machine implementation dependent drives
1137 * n-p: network devices
1138 * It's up to each machine implementation to check if the given boot
1139 * devices match the actual hardware implementation and firmware
1142 if (*p
< 'a' || *p
> 'p') {
1143 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1146 if (bitmap
& (1 << (*p
- 'a'))) {
1147 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1150 bitmap
|= 1 << (*p
- 'a');
1154 static void restore_boot_order(void *opaque
)
1156 char *normal_boot_order
= opaque
;
1157 static int first
= 1;
1159 /* Restore boot order and remove ourselves after the first boot */
1165 qemu_boot_set(normal_boot_order
);
1167 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1168 g_free(normal_boot_order
);
1171 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1174 FWBootEntry
*node
, *i
;
1176 if (bootindex
< 0) {
1180 assert(dev
!= NULL
|| suffix
!= NULL
);
1182 node
= g_malloc0(sizeof(FWBootEntry
));
1183 node
->bootindex
= bootindex
;
1184 node
->suffix
= g_strdup(suffix
);
1187 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1188 if (i
->bootindex
== bootindex
) {
1189 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1191 } else if (i
->bootindex
< bootindex
) {
1194 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1197 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1200 DeviceState
*get_boot_device(uint32_t position
)
1202 uint32_t counter
= 0;
1203 FWBootEntry
*i
= NULL
;
1204 DeviceState
*res
= NULL
;
1206 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1207 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1208 if (counter
== position
) {
1219 * This function returns null terminated string that consist of new line
1220 * separated device paths.
1222 * memory pointed by "size" is assigned total length of the array in bytes
1225 char *get_boot_devices_list(size_t *size
)
1231 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1232 char *devpath
= NULL
, *bootpath
;
1236 devpath
= qdev_get_fw_dev_path(i
->dev
);
1240 if (i
->suffix
&& devpath
) {
1241 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1243 bootpath
= g_malloc(bootpathlen
);
1244 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1246 } else if (devpath
) {
1250 bootpath
= g_strdup(i
->suffix
);
1254 list
[total
-1] = '\n';
1256 len
= strlen(bootpath
) + 1;
1257 list
= g_realloc(list
, total
+ len
);
1258 memcpy(&list
[total
], bootpath
, len
);
1265 if (boot_strict
&& *size
> 0) {
1266 list
[total
-1] = '\n';
1267 list
= g_realloc(list
, total
+ 5);
1268 memcpy(&list
[total
], "HALT", 5);
1274 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1277 unsigned long long value
, endvalue
;
1279 /* Empty CPU range strings will be considered valid, they will simply
1280 * not set any bit in the CPU bitmap.
1286 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1289 if (*endptr
== '-') {
1290 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1293 } else if (*endptr
== '\0') {
1299 if (endvalue
>= MAX_CPUMASK_BITS
) {
1300 endvalue
= MAX_CPUMASK_BITS
- 1;
1302 "qemu: NUMA: A max of %d VCPUs are supported\n",
1306 if (endvalue
< value
) {
1310 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1314 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1318 static void numa_add(const char *optarg
)
1322 unsigned long long nodenr
;
1324 optarg
= get_opt_name(option
, 128, optarg
, ',');
1325 if (*optarg
== ',') {
1328 if (!strcmp(option
, "node")) {
1330 if (nb_numa_nodes
>= MAX_NODES
) {
1331 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1335 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1336 nodenr
= nb_numa_nodes
;
1338 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1339 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1344 if (nodenr
>= MAX_NODES
) {
1345 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1349 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1350 node_mem
[nodenr
] = 0;
1353 sval
= strtosz(option
, &endptr
);
1354 if (sval
< 0 || *endptr
) {
1355 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1358 node_mem
[nodenr
] = sval
;
1360 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1361 numa_node_parse_cpus(nodenr
, option
);
1365 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1370 static QemuOptsList qemu_smp_opts
= {
1372 .implied_opt_name
= "cpus",
1373 .merge_lists
= true,
1374 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1378 .type
= QEMU_OPT_NUMBER
,
1381 .type
= QEMU_OPT_NUMBER
,
1384 .type
= QEMU_OPT_NUMBER
,
1387 .type
= QEMU_OPT_NUMBER
,
1390 .type
= QEMU_OPT_NUMBER
,
1392 { /*End of list */ }
1396 static void smp_parse(QemuOpts
*opts
)
1400 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1401 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1402 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1403 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1405 /* compute missing values, prefer sockets over cores over threads */
1406 if (cpus
== 0 || sockets
== 0) {
1407 sockets
= sockets
> 0 ? sockets
: 1;
1408 cores
= cores
> 0 ? cores
: 1;
1409 threads
= threads
> 0 ? threads
: 1;
1411 cpus
= cores
* threads
* sockets
;
1415 threads
= threads
> 0 ? threads
: 1;
1416 cores
= cpus
/ (sockets
* threads
);
1418 threads
= cpus
/ (cores
* sockets
);
1422 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1425 smp_cores
= cores
> 0 ? cores
: 1;
1426 smp_threads
= threads
> 0 ? threads
: 1;
1430 if (max_cpus
== 0) {
1431 max_cpus
= smp_cpus
;
1434 if (max_cpus
> 255) {
1435 fprintf(stderr
, "Unsupported number of maxcpus\n");
1438 if (max_cpus
< smp_cpus
) {
1439 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1445 static void configure_realtime(QemuOpts
*opts
)
1449 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1452 if (os_mlock() < 0) {
1453 fprintf(stderr
, "qemu: locking memory failed\n");
1460 static void configure_msg(QemuOpts
*opts
)
1462 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1465 /***********************************************************/
1468 static int usb_device_add(const char *devname
)
1470 USBDevice
*dev
= NULL
;
1471 #ifndef CONFIG_LINUX
1475 if (!usb_enabled(false)) {
1479 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1480 dev
= usbdevice_create(devname
);
1484 /* the other ones */
1485 #ifndef CONFIG_LINUX
1486 /* only the linux version is qdev-ified, usb-bsd still needs this */
1487 if (strstart(devname
, "host:", &p
)) {
1488 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1498 static int usb_device_del(const char *devname
)
1503 if (strstart(devname
, "host:", &p
)) {
1507 if (!usb_enabled(false)) {
1511 p
= strchr(devname
, '.');
1514 bus_num
= strtoul(devname
, NULL
, 0);
1515 addr
= strtoul(p
+ 1, NULL
, 0);
1517 return usb_device_delete_addr(bus_num
, addr
);
1520 static int usb_parse(const char *cmdline
)
1523 r
= usb_device_add(cmdline
);
1525 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1530 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1532 const char *devname
= qdict_get_str(qdict
, "devname");
1533 if (usb_device_add(devname
) < 0) {
1534 error_report("could not add USB device '%s'", devname
);
1538 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1540 const char *devname
= qdict_get_str(qdict
, "devname");
1541 if (usb_device_del(devname
) < 0) {
1542 error_report("could not delete USB device '%s'", devname
);
1546 /***********************************************************/
1547 /* PCMCIA/Cardbus */
1549 static struct pcmcia_socket_entry_s
{
1550 PCMCIASocket
*socket
;
1551 struct pcmcia_socket_entry_s
*next
;
1552 } *pcmcia_sockets
= 0;
1554 void pcmcia_socket_register(PCMCIASocket
*socket
)
1556 struct pcmcia_socket_entry_s
*entry
;
1558 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1559 entry
->socket
= socket
;
1560 entry
->next
= pcmcia_sockets
;
1561 pcmcia_sockets
= entry
;
1564 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1566 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1568 ptr
= &pcmcia_sockets
;
1569 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1570 if (entry
->socket
== socket
) {
1576 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1578 struct pcmcia_socket_entry_s
*iter
;
1580 if (!pcmcia_sockets
)
1581 monitor_printf(mon
, "No PCMCIA sockets\n");
1583 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1584 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1585 iter
->socket
->attached
? iter
->socket
->card_string
:
1589 /***********************************************************/
1590 /* machine registration */
1592 static QEMUMachine
*first_machine
= NULL
;
1593 QEMUMachine
*current_machine
= NULL
;
1595 int qemu_register_machine(QEMUMachine
*m
)
1598 pm
= &first_machine
;
1606 static QEMUMachine
*find_machine(const char *name
)
1610 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1611 if (!strcmp(m
->name
, name
))
1613 if (m
->alias
&& !strcmp(m
->alias
, name
))
1619 QEMUMachine
*find_default_machine(void)
1623 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1624 if (m
->is_default
) {
1631 MachineInfoList
*qmp_query_machines(Error
**errp
)
1633 MachineInfoList
*mach_list
= NULL
;
1636 for (m
= first_machine
; m
; m
= m
->next
) {
1637 MachineInfoList
*entry
;
1640 info
= g_malloc0(sizeof(*info
));
1641 if (m
->is_default
) {
1642 info
->has_is_default
= true;
1643 info
->is_default
= true;
1647 info
->has_alias
= true;
1648 info
->alias
= g_strdup(m
->alias
);
1651 info
->name
= g_strdup(m
->name
);
1652 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1654 entry
= g_malloc0(sizeof(*entry
));
1655 entry
->value
= info
;
1656 entry
->next
= mach_list
;
1663 /***********************************************************/
1664 /* main execution loop */
1666 struct vm_change_state_entry
{
1667 VMChangeStateHandler
*cb
;
1669 QLIST_ENTRY (vm_change_state_entry
) entries
;
1672 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1674 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1677 VMChangeStateEntry
*e
;
1679 e
= g_malloc0(sizeof (*e
));
1683 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1687 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1689 QLIST_REMOVE (e
, entries
);
1693 void vm_state_notify(int running
, RunState state
)
1695 VMChangeStateEntry
*e
;
1697 trace_vm_state_notify(running
, state
);
1699 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1700 e
->cb(e
->opaque
, running
, state
);
1706 if (!runstate_is_running()) {
1708 runstate_set(RUN_STATE_RUNNING
);
1709 vm_state_notify(1, RUN_STATE_RUNNING
);
1711 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1715 /* reset/shutdown handler */
1717 typedef struct QEMUResetEntry
{
1718 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1719 QEMUResetHandler
*func
;
1723 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1724 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1725 static int reset_requested
;
1726 static int shutdown_requested
, shutdown_signal
= -1;
1727 static pid_t shutdown_pid
;
1728 static int powerdown_requested
;
1729 static int debug_requested
;
1730 static int suspend_requested
;
1731 static WakeupReason wakeup_reason
;
1732 static NotifierList powerdown_notifiers
=
1733 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1734 static NotifierList suspend_notifiers
=
1735 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1736 static NotifierList wakeup_notifiers
=
1737 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1738 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1739 static RunState vmstop_requested
= RUN_STATE_MAX
;
1741 int qemu_shutdown_requested_get(void)
1743 return shutdown_requested
;
1746 int qemu_reset_requested_get(void)
1748 return reset_requested
;
1751 static int qemu_shutdown_requested(void)
1753 int r
= shutdown_requested
;
1754 shutdown_requested
= 0;
1758 static void qemu_kill_report(void)
1760 if (!qtest_enabled() && shutdown_signal
!= -1) {
1761 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1762 if (shutdown_pid
== 0) {
1763 /* This happens for eg ^C at the terminal, so it's worth
1764 * avoiding printing an odd message in that case.
1766 fputc('\n', stderr
);
1768 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1770 shutdown_signal
= -1;
1774 static int qemu_reset_requested(void)
1776 int r
= reset_requested
;
1777 reset_requested
= 0;
1781 static int qemu_suspend_requested(void)
1783 int r
= suspend_requested
;
1784 suspend_requested
= 0;
1788 static WakeupReason
qemu_wakeup_requested(void)
1790 return wakeup_reason
;
1793 static int qemu_powerdown_requested(void)
1795 int r
= powerdown_requested
;
1796 powerdown_requested
= 0;
1800 static int qemu_debug_requested(void)
1802 int r
= debug_requested
;
1803 debug_requested
= 0;
1807 /* We use RUN_STATE_MAX but any invalid value will do */
1808 static bool qemu_vmstop_requested(RunState
*r
)
1810 if (vmstop_requested
< RUN_STATE_MAX
) {
1811 *r
= vmstop_requested
;
1812 vmstop_requested
= RUN_STATE_MAX
;
1819 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1821 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1824 re
->opaque
= opaque
;
1825 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1828 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1832 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1833 if (re
->func
== func
&& re
->opaque
== opaque
) {
1834 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1841 void qemu_devices_reset(void)
1843 QEMUResetEntry
*re
, *nre
;
1845 /* reset all devices */
1846 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1847 re
->func(re
->opaque
);
1851 void qemu_system_reset(bool report
)
1853 if (current_machine
&& current_machine
->reset
) {
1854 current_machine
->reset();
1856 qemu_devices_reset();
1859 monitor_protocol_event(QEVENT_RESET
, NULL
);
1861 cpu_synchronize_all_post_reset();
1864 void qemu_system_reset_request(void)
1867 shutdown_requested
= 1;
1869 reset_requested
= 1;
1872 qemu_notify_event();
1875 static void qemu_system_suspend(void)
1878 notifier_list_notify(&suspend_notifiers
, NULL
);
1879 runstate_set(RUN_STATE_SUSPENDED
);
1880 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1883 void qemu_system_suspend_request(void)
1885 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1888 suspend_requested
= 1;
1890 qemu_notify_event();
1893 void qemu_register_suspend_notifier(Notifier
*notifier
)
1895 notifier_list_add(&suspend_notifiers
, notifier
);
1898 void qemu_system_wakeup_request(WakeupReason reason
)
1900 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1903 if (!(wakeup_reason_mask
& (1 << reason
))) {
1906 runstate_set(RUN_STATE_RUNNING
);
1907 wakeup_reason
= reason
;
1908 qemu_notify_event();
1911 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1914 wakeup_reason_mask
|= (1 << reason
);
1916 wakeup_reason_mask
&= ~(1 << reason
);
1920 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1922 notifier_list_add(&wakeup_notifiers
, notifier
);
1925 void qemu_system_killed(int signal
, pid_t pid
)
1927 shutdown_signal
= signal
;
1930 qemu_system_shutdown_request();
1933 void qemu_system_shutdown_request(void)
1935 shutdown_requested
= 1;
1936 qemu_notify_event();
1939 static void qemu_system_powerdown(void)
1941 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1942 notifier_list_notify(&powerdown_notifiers
, NULL
);
1945 void qemu_system_powerdown_request(void)
1947 powerdown_requested
= 1;
1948 qemu_notify_event();
1951 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1953 notifier_list_add(&powerdown_notifiers
, notifier
);
1956 void qemu_system_debug_request(void)
1958 debug_requested
= 1;
1959 qemu_notify_event();
1962 void qemu_system_vmstop_request(RunState state
)
1964 vmstop_requested
= state
;
1965 qemu_notify_event();
1968 static bool main_loop_should_exit(void)
1971 if (qemu_debug_requested()) {
1972 vm_stop(RUN_STATE_DEBUG
);
1974 if (qemu_suspend_requested()) {
1975 qemu_system_suspend();
1977 if (qemu_shutdown_requested()) {
1979 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1981 vm_stop(RUN_STATE_SHUTDOWN
);
1986 if (qemu_reset_requested()) {
1988 cpu_synchronize_all_states();
1989 qemu_system_reset(VMRESET_REPORT
);
1991 if (runstate_needs_reset()) {
1992 runstate_set(RUN_STATE_PAUSED
);
1995 if (qemu_wakeup_requested()) {
1997 cpu_synchronize_all_states();
1998 qemu_system_reset(VMRESET_SILENT
);
1999 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2000 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2002 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2004 if (qemu_powerdown_requested()) {
2005 qemu_system_powerdown();
2007 if (qemu_vmstop_requested(&r
)) {
2013 static void main_loop(void)
2017 #ifdef CONFIG_PROFILER
2021 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2022 #ifdef CONFIG_PROFILER
2023 ti
= profile_getclock();
2025 last_io
= main_loop_wait(nonblocking
);
2026 #ifdef CONFIG_PROFILER
2027 dev_time
+= profile_getclock() - ti
;
2029 } while (!main_loop_should_exit());
2032 static void version(void)
2034 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2037 static void QEMU_NORETURN
help(int exitcode
)
2040 printf("usage: %s [options] [disk_image]\n\n"
2041 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2042 error_get_progname());
2044 #define QEMU_OPTIONS_GENERATE_HELP
2045 #include "qemu-options-wrapper.h"
2047 printf("\nDuring emulation, the following keys are useful:\n"
2048 "ctrl-alt-f toggle full screen\n"
2049 "ctrl-alt-n switch to virtual console 'n'\n"
2050 "ctrl-alt toggle mouse and keyboard grab\n"
2052 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2057 #define HAS_ARG 0x0001
2059 typedef struct QEMUOption
{
2066 static const QEMUOption qemu_options
[] = {
2067 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2068 #define QEMU_OPTIONS_GENERATE_OPTIONS
2069 #include "qemu-options-wrapper.h"
2073 static bool vga_available(void)
2075 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2078 static bool cirrus_vga_available(void)
2080 return object_class_by_name("cirrus-vga")
2081 || object_class_by_name("isa-cirrus-vga");
2084 static bool vmware_vga_available(void)
2086 return object_class_by_name("vmware-svga");
2089 static bool qxl_vga_available(void)
2091 return object_class_by_name("qxl-vga");
2094 static void select_vgahw (const char *p
)
2098 vga_interface_type
= VGA_NONE
;
2099 if (strstart(p
, "std", &opts
)) {
2100 if (vga_available()) {
2101 vga_interface_type
= VGA_STD
;
2103 fprintf(stderr
, "Error: standard VGA not available\n");
2106 } else if (strstart(p
, "cirrus", &opts
)) {
2107 if (cirrus_vga_available()) {
2108 vga_interface_type
= VGA_CIRRUS
;
2110 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2113 } else if (strstart(p
, "vmware", &opts
)) {
2114 if (vmware_vga_available()) {
2115 vga_interface_type
= VGA_VMWARE
;
2117 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2120 } else if (strstart(p
, "xenfb", &opts
)) {
2121 vga_interface_type
= VGA_XENFB
;
2122 } else if (strstart(p
, "qxl", &opts
)) {
2123 if (qxl_vga_available()) {
2124 vga_interface_type
= VGA_QXL
;
2126 fprintf(stderr
, "Error: QXL VGA not available\n");
2129 } else if (!strstart(p
, "none", &opts
)) {
2131 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2135 const char *nextopt
;
2137 if (strstart(opts
, ",retrace=", &nextopt
)) {
2139 if (strstart(opts
, "dumb", &nextopt
))
2140 vga_retrace_method
= VGA_RETRACE_DUMB
;
2141 else if (strstart(opts
, "precise", &nextopt
))
2142 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2143 else goto invalid_vga
;
2144 } else goto invalid_vga
;
2149 static DisplayType
select_display(const char *p
)
2152 DisplayType display
= DT_DEFAULT
;
2154 if (strstart(p
, "sdl", &opts
)) {
2158 const char *nextopt
;
2160 if (strstart(opts
, ",frame=", &nextopt
)) {
2162 if (strstart(opts
, "on", &nextopt
)) {
2164 } else if (strstart(opts
, "off", &nextopt
)) {
2167 goto invalid_sdl_args
;
2169 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2171 if (strstart(opts
, "on", &nextopt
)) {
2173 } else if (strstart(opts
, "off", &nextopt
)) {
2176 goto invalid_sdl_args
;
2178 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2180 if (strstart(opts
, "on", &nextopt
)) {
2182 } else if (strstart(opts
, "off", &nextopt
)) {
2185 goto invalid_sdl_args
;
2187 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2189 if (strstart(opts
, "on", &nextopt
)) {
2191 } else if (strstart(opts
, "off", &nextopt
)) {
2194 goto invalid_sdl_args
;
2198 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2204 fprintf(stderr
, "SDL support is disabled\n");
2207 } else if (strstart(p
, "vnc", &opts
)) {
2212 const char *nextopt
;
2214 if (strstart(opts
, "=", &nextopt
)) {
2215 vnc_display
= nextopt
;
2219 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2223 fprintf(stderr
, "VNC support is disabled\n");
2226 } else if (strstart(p
, "curses", &opts
)) {
2227 #ifdef CONFIG_CURSES
2228 display
= DT_CURSES
;
2230 fprintf(stderr
, "Curses support is disabled\n");
2233 } else if (strstart(p
, "gtk", &opts
)) {
2237 fprintf(stderr
, "GTK support is disabled\n");
2240 } else if (strstart(p
, "none", &opts
)) {
2243 fprintf(stderr
, "Unknown display type: %s\n", p
);
2250 static int balloon_parse(const char *arg
)
2254 if (strcmp(arg
, "none") == 0) {
2258 if (!strncmp(arg
, "virtio", 6)) {
2259 if (arg
[6] == ',') {
2260 /* have params -> parse them */
2261 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2265 /* create empty opts */
2266 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2269 qemu_opt_set(opts
, "driver", "virtio-balloon");
2276 #if defined(CONFIG_RUBY)
2277 /* Ruby interface for QEMU. See README.EXT for programming example. */
2281 static VALUE
qemu_open(int argc
, VALUE
*argv
, VALUE klass
)
2284 for (i
= 0; i
< argc
; i
++) {
2285 argv
[i
] = StringValue(argv
[i
]);
2286 fprintf(stderr
, "argv[%d] = %s\n", i
, StringValuePtr(argv
[i
]));
2288 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2289 //~ mode = 0666; /* default value */
2291 return INT2FIX(argc
);
2294 void Init_qemu(void)
2296 printf("%s\n", __func__
);
2297 VALUE cQEMU
= rb_define_class("QEMU", rb_cObject
);
2298 rb_define_singleton_method(cQEMU
, "run", qemu_open
, -1);
2303 #endif /* CONFIG_RUBY */
2305 #if defined(CONFIG_DLL)
2306 BOOL APIENTRY
DllMain(HINSTANCE hModule
, DWORD ul_reason_for_call
, LPVOID data
)
2310 #endif /* CONFIG_DLL */
2312 char *qemu_find_file(int type
, const char *name
)
2318 /* Try the name as a straight path first */
2319 if (access(name
, R_OK
) == 0) {
2320 trace_load_file(name
, name
);
2321 return g_strdup(name
);
2325 case QEMU_FILE_TYPE_BIOS
:
2328 case QEMU_FILE_TYPE_KEYMAP
:
2329 subdir
= "keymaps/";
2335 for (i
= 0; i
< data_dir_idx
; i
++) {
2336 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2337 if (access(buf
, R_OK
) == 0) {
2338 trace_load_file(name
, buf
);
2346 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2348 return qdev_device_help(opts
);
2351 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2355 dev
= qdev_device_add(opts
);
2358 object_unref(OBJECT(dev
));
2362 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2364 Error
*local_err
= NULL
;
2366 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2367 if (error_is_set(&local_err
)) {
2368 error_report("%s", error_get_pretty(local_err
));
2369 error_free(local_err
);
2375 #ifdef CONFIG_VIRTFS
2376 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2379 ret
= qemu_fsdev_add(opts
);
2385 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2387 CharDriverState
*chr
;
2388 const char *chardev
;
2392 mode
= qemu_opt_get(opts
, "mode");
2396 if (strcmp(mode
, "readline") == 0) {
2397 flags
= MONITOR_USE_READLINE
;
2398 } else if (strcmp(mode
, "control") == 0) {
2399 flags
= MONITOR_USE_CONTROL
;
2401 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2405 if (qemu_opt_get_bool(opts
, "pretty", 0))
2406 flags
|= MONITOR_USE_PRETTY
;
2408 if (qemu_opt_get_bool(opts
, "default", 0))
2409 flags
|= MONITOR_IS_DEFAULT
;
2411 chardev
= qemu_opt_get(opts
, "chardev");
2412 chr
= qemu_chr_find(chardev
);
2414 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2418 qemu_chr_fe_claim_no_fail(chr
);
2419 monitor_init(chr
, flags
);
2423 static void monitor_parse(const char *optarg
, const char *mode
)
2425 static int monitor_device_index
= 0;
2431 if (strstart(optarg
, "chardev:", &p
)) {
2432 snprintf(label
, sizeof(label
), "%s", p
);
2434 snprintf(label
, sizeof(label
), "compat_monitor%d",
2435 monitor_device_index
);
2436 if (monitor_device_index
== 0) {
2439 opts
= qemu_chr_parse_compat(label
, optarg
);
2441 fprintf(stderr
, "parse error: %s\n", optarg
);
2446 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2448 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2451 qemu_opt_set(opts
, "mode", mode
);
2452 qemu_opt_set(opts
, "chardev", label
);
2454 qemu_opt_set(opts
, "default", "on");
2455 monitor_device_index
++;
2458 struct device_config
{
2460 DEV_USB
, /* -usbdevice */
2462 DEV_SERIAL
, /* -serial */
2463 DEV_PARALLEL
, /* -parallel */
2464 DEV_VIRTCON
, /* -virtioconsole */
2465 DEV_DEBUGCON
, /* -debugcon */
2466 DEV_GDB
, /* -gdb, -s */
2467 DEV_SCLP
, /* s390 sclp */
2469 const char *cmdline
;
2471 QTAILQ_ENTRY(device_config
) next
;
2474 static QTAILQ_HEAD(, device_config
) device_configs
=
2475 QTAILQ_HEAD_INITIALIZER(device_configs
);
2477 static void add_device_config(int type
, const char *cmdline
)
2479 struct device_config
*conf
;
2481 conf
= g_malloc0(sizeof(*conf
));
2483 conf
->cmdline
= cmdline
;
2484 loc_save(&conf
->loc
);
2485 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2488 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2490 struct device_config
*conf
;
2493 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2494 if (conf
->type
!= type
)
2496 loc_push_restore(&conf
->loc
);
2497 rc
= func(conf
->cmdline
);
2498 loc_pop(&conf
->loc
);
2505 static int serial_parse(const char *devname
)
2507 static int index
= 0;
2510 if (strcmp(devname
, "none") == 0)
2512 if (index
== MAX_SERIAL_PORTS
) {
2513 fprintf(stderr
, "qemu: too many serial ports\n");
2516 snprintf(label
, sizeof(label
), "serial%d", index
);
2517 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2518 if (!serial_hds
[index
]) {
2519 fprintf(stderr
, "qemu: could not connect serial device"
2520 " to character backend '%s'\n", devname
);
2527 static int parallel_parse(const char *devname
)
2529 static int index
= 0;
2532 if (strcmp(devname
, "none") == 0)
2534 if (index
== MAX_PARALLEL_PORTS
) {
2535 fprintf(stderr
, "qemu: too many parallel ports\n");
2538 snprintf(label
, sizeof(label
), "parallel%d", index
);
2539 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2540 if (!parallel_hds
[index
]) {
2541 fprintf(stderr
, "qemu: could not connect parallel device"
2542 " to character backend '%s'\n", devname
);
2549 static int virtcon_parse(const char *devname
)
2551 QemuOptsList
*device
= qemu_find_opts("device");
2552 static int index
= 0;
2554 QemuOpts
*bus_opts
, *dev_opts
;
2556 if (strcmp(devname
, "none") == 0)
2558 if (index
== MAX_VIRTIO_CONSOLES
) {
2559 fprintf(stderr
, "qemu: too many virtio consoles\n");
2563 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2564 if (arch_type
== QEMU_ARCH_S390X
) {
2565 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2567 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2570 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2571 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2573 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2574 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2575 if (!virtcon_hds
[index
]) {
2576 fprintf(stderr
, "qemu: could not connect virtio console"
2577 " to character backend '%s'\n", devname
);
2580 qemu_opt_set(dev_opts
, "chardev", label
);
2586 static int sclp_parse(const char *devname
)
2588 QemuOptsList
*device
= qemu_find_opts("device");
2589 static int index
= 0;
2593 if (strcmp(devname
, "none") == 0) {
2596 if (index
== MAX_SCLP_CONSOLES
) {
2597 fprintf(stderr
, "qemu: too many sclp consoles\n");
2601 assert(arch_type
== QEMU_ARCH_S390X
);
2603 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2604 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2606 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2607 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2608 if (!sclp_hds
[index
]) {
2609 fprintf(stderr
, "qemu: could not connect sclp console"
2610 " to character backend '%s'\n", devname
);
2613 qemu_opt_set(dev_opts
, "chardev", label
);
2619 static int debugcon_parse(const char *devname
)
2623 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2626 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2628 fprintf(stderr
, "qemu: already have a debugcon device\n");
2631 qemu_opt_set(opts
, "driver", "isa-debugcon");
2632 qemu_opt_set(opts
, "chardev", "debugcon");
2636 static QEMUMachine
*machine_parse(const char *name
)
2638 QEMUMachine
*m
, *machine
= NULL
;
2641 machine
= find_machine(name
);
2646 printf("Supported machines are:\n");
2647 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2649 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2651 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2652 m
->is_default
? " (default)" : "");
2654 exit(!name
|| !is_help_option(name
));
2657 static int tcg_init(void)
2659 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2664 const char *opt_name
;
2666 int (*available
)(void);
2670 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2671 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2672 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2673 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2676 static int configure_accelerator(void)
2681 bool accel_initialised
= false;
2682 bool init_failed
= false;
2684 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2686 /* Use the default "accelerator", tcg */
2690 while (!accel_initialised
&& *p
!= '\0') {
2694 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2695 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2696 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2697 if (!accel_list
[i
].available()) {
2698 printf("%s not supported for this target\n",
2699 accel_list
[i
].name
);
2702 *(accel_list
[i
].allowed
) = true;
2703 ret
= accel_list
[i
].init();
2706 fprintf(stderr
, "failed to initialize %s: %s\n",
2709 *(accel_list
[i
].allowed
) = false;
2711 accel_initialised
= true;
2716 if (i
== ARRAY_SIZE(accel_list
)) {
2717 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2721 if (!accel_initialised
) {
2723 fprintf(stderr
, "No accelerator found!\n");
2729 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2732 return !accel_initialised
;
2735 void qemu_add_exit_notifier(Notifier
*notify
)
2737 notifier_list_add(&exit_notifiers
, notify
);
2740 void qemu_remove_exit_notifier(Notifier
*notify
)
2742 notifier_remove(notify
);
2745 static void qemu_run_exit_notifiers(void)
2747 notifier_list_notify(&exit_notifiers
, NULL
);
2750 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2752 notifier_list_add(&machine_init_done_notifiers
, notify
);
2755 static void qemu_run_machine_init_done_notifiers(void)
2757 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2760 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2761 const char **poptarg
, int *poptind
)
2763 const QEMUOption
*popt
;
2764 int optind
= *poptind
;
2765 char *r
= argv
[optind
];
2768 loc_set_cmdline(argv
, optind
, 1);
2770 /* Treat --foo the same as -foo. */
2773 popt
= qemu_options
;
2776 error_report("invalid option");
2779 if (!strcmp(popt
->name
, r
+ 1))
2783 if (popt
->flags
& HAS_ARG
) {
2784 if (optind
>= argc
) {
2785 error_report("requires an argument");
2788 optarg
= argv
[optind
++];
2789 loc_set_cmdline(argv
, optind
- 2, 2);
2800 static gpointer
malloc_and_trace(gsize n_bytes
)
2802 void *ptr
= malloc(n_bytes
);
2803 trace_g_malloc(n_bytes
, ptr
);
2807 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2809 void *ptr
= realloc(mem
, n_bytes
);
2810 trace_g_realloc(mem
, n_bytes
, ptr
);
2814 static void free_and_trace(gpointer mem
)
2820 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2822 Object
*obj
= OBJECT(opaque
);
2823 StringInputVisitor
*siv
;
2824 Error
*local_err
= NULL
;
2826 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2830 siv
= string_input_visitor_new(value
);
2831 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2832 string_input_visitor_cleanup(siv
);
2835 qerror_report_err(local_err
);
2836 error_free(local_err
);
2843 static int object_create(QemuOpts
*opts
, void *opaque
)
2845 const char *type
= qemu_opt_get(opts
, "qom-type");
2846 const char *id
= qemu_opts_id(opts
);
2847 Error
*local_err
= NULL
;
2850 g_assert(type
!= NULL
);
2853 qerror_report(QERR_MISSING_PARAMETER
, "id");
2857 obj
= object_new(type
);
2858 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2863 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2864 error_setg(&local_err
, "object '%s' isn't supported by -object",
2869 user_creatable_complete(obj
, &local_err
);
2874 object_property_add_child(container_get(object_get_root(), "/objects"),
2875 id
, obj
, &local_err
);
2880 qerror_report_err(local_err
);
2881 error_free(local_err
);
2887 int main(int argc
, char **argv
)
2890 int snapshot
, linux_boot
;
2891 const char *icount_option
= NULL
;
2892 const char *initrd_filename
;
2893 const char *kernel_filename
, *kernel_cmdline
;
2894 const char *boot_order
;
2896 int cyls
, heads
, secs
, translation
;
2897 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2898 QemuOptsList
*olist
;
2901 const char *loadvm
= NULL
;
2902 QEMUMachine
*machine
;
2903 const char *cpu_model
;
2904 const char *vga_model
= "none";
2905 const char *qtest_chrdev
= NULL
;
2906 const char *qtest_log
= NULL
;
2907 const char *pid_file
= NULL
;
2908 const char *incoming
= NULL
;
2910 int show_vnc_port
= 0;
2912 bool defconfig
= true;
2913 bool userconfig
= true;
2914 const char *log_mask
= NULL
;
2915 const char *log_file
= NULL
;
2916 GMemVTable mem_trace
= {
2917 .malloc
= malloc_and_trace
,
2918 .realloc
= realloc_and_trace
,
2919 .free
= free_and_trace
,
2921 const char *trace_events
= NULL
;
2922 const char *trace_file
= NULL
;
2924 atexit(qemu_run_exit_notifiers
);
2925 error_set_progname(argv
[0]);
2927 g_mem_set_vtable(&mem_trace
);
2928 if (!g_thread_supported()) {
2929 #if !GLIB_CHECK_VERSION(2, 31, 0)
2930 g_thread_init(NULL
);
2932 fprintf(stderr
, "glib threading failed to initialize.\n");
2937 module_call_init(MODULE_INIT_QOM
);
2939 qemu_add_opts(&qemu_drive_opts
);
2940 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2941 qemu_add_drive_opts(&qemu_common_drive_opts
);
2942 qemu_add_drive_opts(&qemu_drive_opts
);
2943 qemu_add_opts(&qemu_chardev_opts
);
2944 qemu_add_opts(&qemu_device_opts
);
2945 qemu_add_opts(&qemu_netdev_opts
);
2946 qemu_add_opts(&qemu_net_opts
);
2947 qemu_add_opts(&qemu_rtc_opts
);
2948 qemu_add_opts(&qemu_global_opts
);
2949 qemu_add_opts(&qemu_mon_opts
);
2950 qemu_add_opts(&qemu_trace_opts
);
2951 qemu_add_opts(&qemu_option_rom_opts
);
2952 qemu_add_opts(&qemu_machine_opts
);
2953 qemu_add_opts(&qemu_smp_opts
);
2954 qemu_add_opts(&qemu_boot_opts
);
2955 qemu_add_opts(&qemu_sandbox_opts
);
2956 qemu_add_opts(&qemu_add_fd_opts
);
2957 qemu_add_opts(&qemu_object_opts
);
2958 qemu_add_opts(&qemu_tpmdev_opts
);
2959 qemu_add_opts(&qemu_realtime_opts
);
2960 qemu_add_opts(&qemu_msg_opts
);
2965 rtc_clock
= QEMU_CLOCK_HOST
;
2967 qemu_cache_utils_init();
2969 QLIST_INIT (&vm_change_state_head
);
2970 os_setup_early_signal_handling();
2972 module_call_init(MODULE_INIT_MACHINE
);
2974 optarg
= strrchr(argv
[0], '/');
2976 machine
= find_machine(optarg
+ 1);
2979 machine
= find_default_machine();
2984 cyls
= heads
= secs
= 0;
2985 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2987 for (i
= 0; i
< MAX_NODES
; i
++) {
2989 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2995 bdrv_init_with_whitelist();
2999 /* first pass of option parsing */
3001 while (optind
< argc
) {
3002 if (argv
[optind
][0] != '-') {
3007 const QEMUOption
*popt
;
3009 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3010 switch (popt
->index
) {
3011 case QEMU_OPTION_nodefconfig
:
3014 case QEMU_OPTION_nouserconfig
:
3023 ret
= qemu_read_default_config_files(userconfig
);
3029 /* second pass of option parsing */
3034 if (argv
[optind
][0] != '-') {
3035 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3037 const QEMUOption
*popt
;
3039 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3040 if (!(popt
->arch_mask
& arch_type
)) {
3041 printf("Option %s not supported for this target\n", popt
->name
);
3044 switch(popt
->index
) {
3046 machine
= machine_parse(optarg
);
3048 case QEMU_OPTION_no_kvm_irqchip
: {
3049 olist
= qemu_find_opts("machine");
3050 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3053 case QEMU_OPTION_cpu
:
3054 /* hw initialization will check this */
3057 case QEMU_OPTION_hda
:
3061 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3063 snprintf(buf
, sizeof(buf
),
3064 "%s,cyls=%d,heads=%d,secs=%d%s",
3065 HD_OPTS
, cyls
, heads
, secs
,
3066 translation
== BIOS_ATA_TRANSLATION_LBA
?
3068 translation
== BIOS_ATA_TRANSLATION_NONE
?
3069 ",trans=none" : "");
3070 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3073 case QEMU_OPTION_hdb
:
3074 case QEMU_OPTION_hdc
:
3075 case QEMU_OPTION_hdd
:
3076 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3079 case QEMU_OPTION_drive
:
3080 if (drive_def(optarg
) == NULL
) {
3084 case QEMU_OPTION_set
:
3085 if (qemu_set_option(optarg
) != 0)
3088 case QEMU_OPTION_global
:
3089 if (qemu_global_option(optarg
) != 0)
3092 case QEMU_OPTION_mtdblock
:
3093 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3095 case QEMU_OPTION_sd
:
3096 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3098 case QEMU_OPTION_pflash
:
3099 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3101 case QEMU_OPTION_snapshot
:
3104 case QEMU_OPTION_hdachs
:
3108 cyls
= strtol(p
, (char **)&p
, 0);
3109 if (cyls
< 1 || cyls
> 16383)
3114 heads
= strtol(p
, (char **)&p
, 0);
3115 if (heads
< 1 || heads
> 16)
3120 secs
= strtol(p
, (char **)&p
, 0);
3121 if (secs
< 1 || secs
> 63)
3125 if (!strcmp(p
, "none"))
3126 translation
= BIOS_ATA_TRANSLATION_NONE
;
3127 else if (!strcmp(p
, "lba"))
3128 translation
= BIOS_ATA_TRANSLATION_LBA
;
3129 else if (!strcmp(p
, "auto"))
3130 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3133 } else if (*p
!= '\0') {
3135 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3138 if (hda_opts
!= NULL
) {
3140 snprintf(num
, sizeof(num
), "%d", cyls
);
3141 qemu_opt_set(hda_opts
, "cyls", num
);
3142 snprintf(num
, sizeof(num
), "%d", heads
);
3143 qemu_opt_set(hda_opts
, "heads", num
);
3144 snprintf(num
, sizeof(num
), "%d", secs
);
3145 qemu_opt_set(hda_opts
, "secs", num
);
3146 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3147 qemu_opt_set(hda_opts
, "trans", "lba");
3148 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3149 qemu_opt_set(hda_opts
, "trans", "none");
3153 case QEMU_OPTION_numa
:
3156 case QEMU_OPTION_display
:
3157 display_type
= select_display(optarg
);
3159 case QEMU_OPTION_nographic
:
3160 display_type
= DT_NOGRAPHIC
;
3162 case QEMU_OPTION_curses
:
3163 #ifdef CONFIG_CURSES
3164 display_type
= DT_CURSES
;
3166 fprintf(stderr
, "Curses support is disabled\n");
3170 case QEMU_OPTION_portrait
:
3171 graphic_rotate
= 90;
3173 case QEMU_OPTION_rotate
:
3174 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3175 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3176 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3178 "qemu: only 90, 180, 270 deg rotation is available\n");
3182 case QEMU_OPTION_kernel
:
3183 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3185 case QEMU_OPTION_initrd
:
3186 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3188 case QEMU_OPTION_append
:
3189 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3191 case QEMU_OPTION_dtb
:
3192 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3194 case QEMU_OPTION_cdrom
:
3195 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3197 case QEMU_OPTION_boot
:
3198 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3203 case QEMU_OPTION_fda
:
3204 case QEMU_OPTION_fdb
:
3205 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3208 case QEMU_OPTION_no_fd_bootchk
:
3211 case QEMU_OPTION_netdev
:
3212 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3216 case QEMU_OPTION_net
:
3217 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3221 #ifdef CONFIG_LIBISCSI
3222 case QEMU_OPTION_iscsi
:
3223 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3230 case QEMU_OPTION_tftp
:
3231 legacy_tftp_prefix
= optarg
;
3233 case QEMU_OPTION_bootp
:
3234 legacy_bootp_filename
= optarg
;
3236 case QEMU_OPTION_redir
:
3237 if (net_slirp_redir(optarg
) < 0)
3241 case QEMU_OPTION_bt
:
3242 add_device_config(DEV_BT
, optarg
);
3244 case QEMU_OPTION_audio_help
:
3248 case QEMU_OPTION_soundhw
:
3249 select_soundhw (optarg
);
3254 case QEMU_OPTION_version
:
3258 case QEMU_OPTION_m
: {
3263 value
= strtosz(optarg
, &end
);
3264 if (value
< 0 || *end
) {
3265 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3268 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3270 if (ram_size
!= sz
) {
3271 fprintf(stderr
, "qemu: ram size too large\n");
3277 case QEMU_OPTION_tpmdev
:
3278 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3283 case QEMU_OPTION_mempath
:
3286 case QEMU_OPTION_mem_prealloc
:
3296 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3298 case QEMU_OPTION_gdb
:
3299 add_device_config(DEV_GDB
, optarg
);
3302 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3303 data_dir
[data_dir_idx
++] = optarg
;
3306 case QEMU_OPTION_bios
:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3309 case QEMU_OPTION_singlestep
:
3316 keyboard_layout
= optarg
;
3318 case QEMU_OPTION_localtime
:
3321 case QEMU_OPTION_vga
:
3330 w
= strtol(p
, (char **)&p
, 10);
3333 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3339 h
= strtol(p
, (char **)&p
, 10);
3344 depth
= strtol(p
, (char **)&p
, 10);
3345 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3346 depth
!= 24 && depth
!= 32)
3348 } else if (*p
== '\0') {
3349 depth
= graphic_depth
;
3356 graphic_depth
= depth
;
3359 case QEMU_OPTION_echr
:
3362 term_escape_char
= strtol(optarg
, &r
, 0);
3364 printf("Bad argument to echr\n");
3367 case QEMU_OPTION_monitor
:
3368 default_monitor
= 0;
3369 if (strncmp(optarg
, "none", 4)) {
3370 monitor_parse(optarg
, "readline");
3373 case QEMU_OPTION_qmp
:
3374 monitor_parse(optarg
, "control");
3375 default_monitor
= 0;
3377 case QEMU_OPTION_mon
:
3378 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3382 default_monitor
= 0;
3384 case QEMU_OPTION_chardev
:
3385 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3390 case QEMU_OPTION_fsdev
:
3391 olist
= qemu_find_opts("fsdev");
3393 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3396 opts
= qemu_opts_parse(olist
, optarg
, 1);
3401 case QEMU_OPTION_virtfs
: {
3404 const char *writeout
, *sock_fd
, *socket
;
3406 olist
= qemu_find_opts("virtfs");
3408 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3411 opts
= qemu_opts_parse(olist
, optarg
, 1);
3416 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3417 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3418 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3421 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3422 qemu_opt_get(opts
, "mount_tag"),
3425 fprintf(stderr
, "duplicate fsdev id: %s\n",
3426 qemu_opt_get(opts
, "mount_tag"));
3430 writeout
= qemu_opt_get(opts
, "writeout");
3432 #ifdef CONFIG_SYNC_FILE_RANGE
3433 qemu_opt_set(fsdev
, "writeout", writeout
);
3435 fprintf(stderr
, "writeout=immediate not supported on "
3440 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3441 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3442 qemu_opt_set(fsdev
, "security_model",
3443 qemu_opt_get(opts
, "security_model"));
3444 socket
= qemu_opt_get(opts
, "socket");
3446 qemu_opt_set(fsdev
, "socket", socket
);
3448 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3450 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3453 qemu_opt_set_bool(fsdev
, "readonly",
3454 qemu_opt_get_bool(opts
, "readonly", 0));
3455 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3457 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3458 qemu_opt_set(device
, "fsdev",
3459 qemu_opt_get(opts
, "mount_tag"));
3460 qemu_opt_set(device
, "mount_tag",
3461 qemu_opt_get(opts
, "mount_tag"));
3464 case QEMU_OPTION_virtfs_synth
: {
3468 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3471 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3474 qemu_opt_set(fsdev
, "fsdriver", "synth");
3476 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3478 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3479 qemu_opt_set(device
, "fsdev", "v_synth");
3480 qemu_opt_set(device
, "mount_tag", "v_synth");
3483 case QEMU_OPTION_serial
:
3484 add_device_config(DEV_SERIAL
, optarg
);
3486 if (strncmp(optarg
, "mon:", 4) == 0) {
3487 default_monitor
= 0;
3490 case QEMU_OPTION_watchdog
:
3493 "qemu: only one watchdog option may be given\n");
3498 case QEMU_OPTION_watchdog_action
:
3499 if (select_watchdog_action(optarg
) == -1) {
3500 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3504 case QEMU_OPTION_virtiocon
:
3505 add_device_config(DEV_VIRTCON
, optarg
);
3506 default_virtcon
= 0;
3507 if (strncmp(optarg
, "mon:", 4) == 0) {
3508 default_monitor
= 0;
3511 case QEMU_OPTION_parallel
:
3512 add_device_config(DEV_PARALLEL
, optarg
);
3513 default_parallel
= 0;
3514 if (strncmp(optarg
, "mon:", 4) == 0) {
3515 default_monitor
= 0;
3518 case QEMU_OPTION_debugcon
:
3519 add_device_config(DEV_DEBUGCON
, optarg
);
3521 case QEMU_OPTION_loadvm
:
3524 case QEMU_OPTION_full_screen
:
3527 case QEMU_OPTION_no_frame
:
3530 case QEMU_OPTION_alt_grab
:
3533 case QEMU_OPTION_ctrl_grab
:
3536 case QEMU_OPTION_no_quit
:
3539 case QEMU_OPTION_sdl
:
3541 display_type
= DT_SDL
;
3544 fprintf(stderr
, "SDL support is disabled\n");
3547 case QEMU_OPTION_pidfile
:
3550 case QEMU_OPTION_win2k_hack
:
3551 win2k_install_hack
= 1;
3553 case QEMU_OPTION_rtc_td_hack
: {
3554 static GlobalProperty slew_lost_ticks
[] = {
3556 .driver
= "mc146818rtc",
3557 .property
= "lost_tick_policy",
3560 { /* end of list */ }
3563 qdev_prop_register_global_list(slew_lost_ticks
);
3566 case QEMU_OPTION_acpitable
:
3567 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3571 do_acpitable_option(opts
);
3573 case QEMU_OPTION_smbios
:
3574 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3578 do_smbios_option(opts
);
3580 case QEMU_OPTION_enable_kvm
:
3581 olist
= qemu_find_opts("machine");
3582 qemu_opts_parse(olist
, "accel=kvm", 0);
3584 case QEMU_OPTION_machine
:
3585 olist
= qemu_find_opts("machine");
3586 opts
= qemu_opts_parse(olist
, optarg
, 1);
3590 optarg
= qemu_opt_get(opts
, "type");
3592 machine
= machine_parse(optarg
);
3595 case QEMU_OPTION_no_kvm
:
3596 olist
= qemu_find_opts("machine");
3597 qemu_opts_parse(olist
, "accel=tcg", 0);
3599 case QEMU_OPTION_no_kvm_pit
: {
3600 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3604 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3605 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3607 .driver
= "kvm-pit",
3608 .property
= "lost_tick_policy",
3611 { /* end of list */ }
3614 fprintf(stderr
, "Warning: option deprecated, use "
3615 "lost_tick_policy property of kvm-pit instead.\n");
3616 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3619 case QEMU_OPTION_usb
:
3620 olist
= qemu_find_opts("machine");
3621 qemu_opts_parse(olist
, "usb=on", 0);
3623 case QEMU_OPTION_usbdevice
:
3624 olist
= qemu_find_opts("machine");
3625 qemu_opts_parse(olist
, "usb=on", 0);
3626 add_device_config(DEV_USB
, optarg
);
3628 case QEMU_OPTION_device
:
3629 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3633 case QEMU_OPTION_smp
:
3634 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3638 case QEMU_OPTION_vnc
:
3641 vnc_display
= optarg
;
3643 fprintf(stderr
, "VNC support is disabled\n");
3647 case QEMU_OPTION_no_acpi
:
3650 case QEMU_OPTION_no_hpet
:
3653 case QEMU_OPTION_balloon
:
3654 if (balloon_parse(optarg
) < 0) {
3655 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3659 case QEMU_OPTION_no_reboot
:
3662 case QEMU_OPTION_no_shutdown
:
3665 case QEMU_OPTION_show_cursor
:
3668 case QEMU_OPTION_uuid
:
3669 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3670 fprintf(stderr
, "Fail to parse UUID string."
3671 " Wrong format.\n");
3674 qemu_uuid_set
= true;
3676 case QEMU_OPTION_option_rom
:
3677 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3678 fprintf(stderr
, "Too many option ROMs\n");
3681 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3685 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3686 option_rom
[nb_option_roms
].bootindex
=
3687 qemu_opt_get_number(opts
, "bootindex", -1);
3688 if (!option_rom
[nb_option_roms
].name
) {
3689 fprintf(stderr
, "Option ROM file is not specified\n");
3694 case QEMU_OPTION_semihosting
:
3695 semihosting_enabled
= 1;
3697 case QEMU_OPTION_tdf
:
3698 fprintf(stderr
, "Warning: user space PIT time drift fix "
3699 "is no longer supported.\n");
3701 case QEMU_OPTION_name
:
3702 qemu_name
= g_strdup(optarg
);
3704 char *p
= strchr(qemu_name
, ',');
3707 if (strncmp(p
, "process=", 8)) {
3708 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3712 os_set_proc_name(p
);
3716 case QEMU_OPTION_prom_env
:
3717 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3718 fprintf(stderr
, "Too many prom variables\n");
3721 prom_envs
[nb_prom_envs
] = optarg
;
3724 case QEMU_OPTION_old_param
:
3727 case QEMU_OPTION_clock
:
3728 /* Clock options no longer exist. Keep this option for
3729 * backward compatibility.
3732 case QEMU_OPTION_startdate
:
3733 configure_rtc_date_offset(optarg
, 1);
3735 case QEMU_OPTION_rtc
:
3736 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3740 configure_rtc(opts
);
3742 case QEMU_OPTION_tb_size
:
3743 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3744 if (tcg_tb_size
< 0) {
3748 case QEMU_OPTION_icount
:
3749 icount_option
= optarg
;
3751 case QEMU_OPTION_incoming
:
3753 runstate_set(RUN_STATE_INMIGRATE
);
3755 case QEMU_OPTION_nodefaults
:
3757 default_parallel
= 0;
3758 default_virtcon
= 0;
3760 default_monitor
= 0;
3767 case QEMU_OPTION_xen_domid
:
3768 if (!(xen_available())) {
3769 printf("Option %s not supported for this target\n", popt
->name
);
3772 xen_domid
= atoi(optarg
);
3774 case QEMU_OPTION_xen_create
:
3775 if (!(xen_available())) {
3776 printf("Option %s not supported for this target\n", popt
->name
);
3779 xen_mode
= XEN_CREATE
;
3781 case QEMU_OPTION_xen_attach
:
3782 if (!(xen_available())) {
3783 printf("Option %s not supported for this target\n", popt
->name
);
3786 xen_mode
= XEN_ATTACH
;
3788 case QEMU_OPTION_trace
:
3790 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3794 trace_events
= qemu_opt_get(opts
, "events");
3795 trace_file
= qemu_opt_get(opts
, "file");
3798 case QEMU_OPTION_trace_unassigned
:
3799 trace_unassigned
= true;
3801 case QEMU_OPTION_readconfig
:
3803 int ret
= qemu_read_config_file(optarg
);
3805 fprintf(stderr
, "read config %s: %s\n", optarg
,
3811 case QEMU_OPTION_spice
:
3812 olist
= qemu_find_opts("spice");
3814 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3817 opts
= qemu_opts_parse(olist
, optarg
, 0);
3823 case QEMU_OPTION_writeconfig
:
3826 if (strcmp(optarg
, "-") == 0) {
3829 fp
= fopen(optarg
, "w");
3831 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3835 qemu_config_write(fp
);
3839 case QEMU_OPTION_qtest
:
3840 qtest_chrdev
= optarg
;
3842 case QEMU_OPTION_qtest_log
:
3845 case QEMU_OPTION_sandbox
:
3846 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3851 case QEMU_OPTION_add_fd
:
3853 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3858 error_report("File descriptor passing is disabled on this "
3863 case QEMU_OPTION_object
:
3864 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3869 case QEMU_OPTION_realtime
:
3870 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3874 configure_realtime(opts
);
3876 case QEMU_OPTION_msg
:
3877 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3881 configure_msg(opts
);
3884 os_parse_cmd_args(popt
->index
, optarg
);
3890 if (qemu_init_main_loop()) {
3891 fprintf(stderr
, "qemu_init_main_loop failed\n");
3895 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3900 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3904 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3909 if (machine
== NULL
) {
3910 fprintf(stderr
, "No machine found.\n");
3914 if (machine
->hw_version
) {
3915 qemu_set_version(machine
->hw_version
);
3918 if (qemu_opts_foreach(qemu_find_opts("object"),
3919 object_create
, NULL
, 0) != 0) {
3923 /* Init CPU def lists, based on config
3924 * - Must be called after all the qemu_read_config_file() calls
3925 * - Must be called before list_cpus()
3926 * - Must be called before machine->init()
3930 if (cpu_model
&& is_help_option(cpu_model
)) {
3931 list_cpus(stdout
, &fprintf
, cpu_model
);
3935 /* Open the logfile at this point, if necessary. We can't open the logfile
3936 * when encountering either of the logging options (-d or -D) because the
3937 * other one may be encountered later on the command line, changing the
3938 * location or level of logging.
3943 qemu_set_log_filename(log_file
);
3946 mask
= qemu_str_to_log_mask(log_mask
);
3948 qemu_print_log_usage(stdout
);
3954 if (!is_daemonized()) {
3955 if (!trace_backend_init(trace_events
, trace_file
)) {
3960 /* If no data_dir is specified then try to find it relative to the
3962 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3963 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3964 if (data_dir
[data_dir_idx
] != NULL
) {
3968 /* If all else fails use the install path specified when building. */
3969 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3970 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3973 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3975 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3976 if (smp_cpus
> machine
->max_cpus
) {
3977 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3978 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3984 * Get the default machine options from the machine if it is not already
3985 * specified either by the configuration file or by the command line.
3987 if (machine
->default_machine_opts
) {
3988 qemu_opts_set_defaults(qemu_find_opts("machine"),
3989 machine
->default_machine_opts
, 0);
3992 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3993 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3995 if (machine
->no_serial
) {
3998 if (machine
->no_parallel
) {
3999 default_parallel
= 0;
4001 if (!machine
->use_virtcon
) {
4002 default_virtcon
= 0;
4004 if (!machine
->use_sclp
) {
4007 if (machine
->no_floppy
) {
4010 if (machine
->no_cdrom
) {
4013 if (machine
->no_sdcard
) {
4017 if (is_daemonized()) {
4018 /* According to documentation and historically, -nographic redirects
4019 * serial port, parallel port and monitor to stdio, which does not work
4020 * with -daemonize. We can redirect these to null instead, but since
4021 * -nographic is legacy, let's just error out.
4022 * We disallow -nographic only if all other ports are not redirected
4023 * explicitly, to not break existing legacy setups which uses
4024 * -nographic _and_ redirects all ports explicitly - this is valid
4025 * usage, -nographic is just a no-op in this case.
4027 if (display_type
== DT_NOGRAPHIC
4028 && (default_parallel
|| default_serial
4029 || default_monitor
|| default_virtcon
)) {
4030 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4033 #ifdef CONFIG_CURSES
4034 if (display_type
== DT_CURSES
) {
4035 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4041 if (display_type
== DT_NOGRAPHIC
) {
4042 if (default_parallel
)
4043 add_device_config(DEV_PARALLEL
, "null");
4044 if (default_serial
&& default_monitor
) {
4045 add_device_config(DEV_SERIAL
, "mon:stdio");
4046 } else if (default_virtcon
&& default_monitor
) {
4047 add_device_config(DEV_VIRTCON
, "mon:stdio");
4048 } else if (default_sclp
&& default_monitor
) {
4049 add_device_config(DEV_SCLP
, "mon:stdio");
4052 add_device_config(DEV_SERIAL
, "stdio");
4053 if (default_virtcon
)
4054 add_device_config(DEV_VIRTCON
, "stdio");
4056 add_device_config(DEV_SCLP
, "stdio");
4058 if (default_monitor
)
4059 monitor_parse("stdio", "readline");
4063 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4064 if (default_parallel
)
4065 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4066 if (default_monitor
)
4067 monitor_parse("vc:80Cx24C", "readline");
4068 if (default_virtcon
)
4069 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4071 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4075 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4076 #if defined(CONFIG_GTK)
4077 display_type
= DT_GTK
;
4078 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4079 display_type
= DT_SDL
;
4080 #elif defined(CONFIG_VNC)
4081 vnc_display
= "localhost:0,to=99";
4084 display_type
= DT_NONE
;
4088 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4089 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4090 "for SDL, ignoring option\n");
4092 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4093 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4094 "ignoring option\n");
4097 #if defined(CONFIG_GTK)
4098 if (display_type
== DT_GTK
) {
4099 early_gtk_display_init();
4105 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4107 #ifdef CONFIG_VIRTFS
4108 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4115 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4120 /* init the memory */
4121 if (ram_size
== 0) {
4122 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4125 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4130 configure_accelerator();
4133 qtest_init(qtest_chrdev
, qtest_log
);
4136 machine_opts
= qemu_get_machine_opts();
4137 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4138 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4139 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4140 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4142 boot_order
= machine
->default_boot_order
;
4143 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4145 char *normal_boot_order
;
4146 const char *order
, *once
;
4148 order
= qemu_opt_get(opts
, "order");
4150 validate_bootdevices(order
);
4154 once
= qemu_opt_get(opts
, "once");
4156 validate_bootdevices(once
);
4157 normal_boot_order
= g_strdup(boot_order
);
4159 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4162 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4163 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4166 if (!kernel_cmdline
) {
4167 kernel_cmdline
= "";
4170 linux_boot
= (kernel_filename
!= NULL
);
4172 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4173 fprintf(stderr
, "-append only allowed with -kernel option\n");
4177 if (!linux_boot
&& initrd_filename
!= NULL
) {
4178 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4182 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4183 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4187 os_set_line_buffering();
4189 qemu_init_cpu_loop();
4190 qemu_mutex_lock_iothread();
4193 /* spice needs the timers to be initialized by this point */
4197 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4198 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4201 configure_icount(icount_option
);
4203 /* clean up network at qemu process termination */
4204 atexit(&net_cleanup
);
4206 if (net_init_clients() < 0) {
4211 if (tpm_init() < 0) {
4216 /* init the bluetooth world */
4217 if (foreach_device_config(DEV_BT
, bt_parse
))
4220 if (!xen_enabled()) {
4221 /* On 32-bit hosts, QEMU is limited by virtual address space */
4222 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4223 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4228 cpu_exec_init_all();
4232 /* open the virtual block devices */
4234 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4235 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4236 &machine
->block_default_type
, 1) != 0) {
4240 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4242 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4243 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4245 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4247 if (nb_numa_nodes
> 0) {
4250 if (nb_numa_nodes
> MAX_NODES
) {
4251 nb_numa_nodes
= MAX_NODES
;
4254 /* If no memory size if given for any node, assume the default case
4255 * and distribute the available memory equally across all nodes
4257 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4258 if (node_mem
[i
] != 0)
4261 if (i
== nb_numa_nodes
) {
4262 uint64_t usedmem
= 0;
4264 /* On Linux, the each node's border has to be 8MB aligned,
4265 * the final node gets the rest.
4267 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4268 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4269 usedmem
+= node_mem
[i
];
4271 node_mem
[i
] = ram_size
- usedmem
;
4274 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4275 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4279 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4280 * must cope with this anyway, because there are BIOSes out there in
4281 * real machines which also use this scheme.
4283 if (i
== nb_numa_nodes
) {
4284 for (i
= 0; i
< max_cpus
; i
++) {
4285 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4290 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4294 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4296 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4298 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4300 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4303 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4306 /* If no default VGA is requested, the default is "none". */
4308 if (cirrus_vga_available()) {
4309 vga_model
= "cirrus";
4310 } else if (vga_available()) {
4314 select_vgahw(vga_model
);
4317 i
= select_watchdog(watchdog
);
4319 exit (i
== 1 ? 1 : 0);
4322 if (machine
->compat_props
) {
4323 qdev_prop_register_global_list(machine
->compat_props
);
4327 qdev_machine_init();
4329 QEMUMachineInitArgs args
= { .machine
= machine
,
4330 .ram_size
= ram_size
,
4331 .boot_order
= boot_order
,
4332 .kernel_filename
= kernel_filename
,
4333 .kernel_cmdline
= kernel_cmdline
,
4334 .initrd_filename
= initrd_filename
,
4335 .cpu_model
= cpu_model
};
4336 machine
->init(&args
);
4340 cpu_synchronize_all_post_init();
4344 current_machine
= machine
;
4346 /* init USB devices */
4347 if (usb_enabled(false)) {
4348 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4352 /* init generic devices */
4353 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4356 net_check_clients();
4358 ds
= init_displaystate();
4360 /* init local displays */
4361 switch (display_type
) {
4363 (void)ds
; /* avoid warning if no display is configured */
4365 #if defined(CONFIG_CURSES)
4367 curses_display_init(ds
, full_screen
);
4370 #if defined(CONFIG_SDL)
4372 sdl_display_init(ds
, full_screen
, no_frame
);
4374 #elif defined(CONFIG_COCOA)
4376 cocoa_display_init(ds
, full_screen
);
4379 #if defined(CONFIG_GTK)
4381 gtk_display_init(ds
, full_screen
);
4388 /* must be after terminal init, SDL library changes signal handlers */
4389 os_setup_signal_handling();
4392 /* init remote displays */
4394 Error
*local_err
= NULL
;
4395 vnc_display_init(ds
);
4396 vnc_display_open(ds
, vnc_display
, &local_err
);
4397 if (local_err
!= NULL
) {
4398 error_report("Failed to start VNC server on `%s': %s",
4399 vnc_display
, error_get_pretty(local_err
));
4400 error_free(local_err
);
4404 if (show_vnc_port
) {
4405 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4411 qemu_spice_display_init();
4415 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4419 qdev_machine_creation_done();
4421 if (rom_load_all() != 0) {
4422 fprintf(stderr
, "rom loading failed\n");
4426 /* TODO: once all bus devices are qdevified, this should be done
4427 * when bus is created by qdev.c */
4428 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4429 qemu_run_machine_init_done_notifiers();
4431 /* Done notifiers can load ROMs */
4434 qemu_system_reset(VMRESET_SILENT
);
4436 if (load_vmstate(loadvm
) < 0) {
4442 Error
*local_err
= NULL
;
4443 qemu_start_incoming_migration(incoming
, &local_err
);
4445 error_report("-incoming %s: %s", incoming
,
4446 error_get_pretty(local_err
));
4447 error_free(local_err
);
4450 } else if (autostart
) {
4456 if (is_daemonized()) {
4457 if (!trace_backend_init(trace_events
, trace_file
)) {