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 "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc
, char **argv
, char **envp
);
45 int main(int argc
, char **argv
)
47 return qemu_main(argc
, argv
, NULL
);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
62 #include "hw/boards.h"
64 #include "hw/pcmcia.h"
65 #include "hw/i386/pc.h"
66 #include "hw/isa/isa.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/i386/smbios.h"
70 #include "hw/xen/xen.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/cache-utils.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
106 #include "qemu/sockets.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir
[16];
127 static int data_dir_idx
;
128 const char *bios_name
= NULL
;
129 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
130 DisplayType display_type
= DT_DEFAULT
;
131 static int display_remote
;
132 const char* keyboard_layout
= NULL
;
134 const char *mem_path
= NULL
;
135 int mem_prealloc
= 0; /* force preallocation of physical target memory */
137 NICInfo nd_table
[MAX_NICS
];
139 static int rtc_utc
= 1;
140 static int rtc_date_offset
= -1; /* -1 means no change */
141 QEMUClockType rtc_clock
;
142 int vga_interface_type
= VGA_NONE
;
143 static int full_screen
= 0;
144 static int no_frame
= 0;
146 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
147 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
148 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
149 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
150 int win2k_install_hack
= 0;
157 const char *vnc_display
;
159 int acpi_enabled
= 1;
162 static int no_reboot
;
165 int graphic_rotate
= 0;
166 const char *watchdog
;
167 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
169 int semihosting_enabled
= 0;
171 const char *qemu_name
;
174 unsigned int nb_prom_envs
= 0;
175 const char *prom_envs
[MAX_PROM_ENVS
];
177 static bool boot_strict
;
178 uint8_t *boot_splash_filedata
;
179 size_t boot_splash_filedata_size
;
180 uint8_t qemu_extra_params_fw
[2];
182 typedef struct FWBootEntry FWBootEntry
;
185 QTAILQ_ENTRY(FWBootEntry
) link
;
191 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
192 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
195 uint64_t node_mem
[MAX_NODES
];
196 unsigned long *node_cpumask
[MAX_NODES
];
198 uint8_t qemu_uuid
[16];
201 static QEMUBootSetHandler
*boot_set_handler
;
202 static void *boot_set_opaque
;
204 static NotifierList exit_notifiers
=
205 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
207 static NotifierList machine_init_done_notifiers
=
208 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
210 static bool tcg_allowed
= true;
213 enum xen_mode xen_mode
= XEN_EMULATE
;
214 static int tcg_tb_size
;
216 static int default_serial
= 1;
217 static int default_parallel
= 1;
218 static int default_virtcon
= 1;
219 static int default_sclp
= 1;
220 static int default_monitor
= 1;
221 static int default_floppy
= 1;
222 static int default_cdrom
= 1;
223 static int default_sdcard
= 1;
224 static int default_vga
= 1;
230 { .driver
= "isa-serial", .flag
= &default_serial
},
231 { .driver
= "isa-parallel", .flag
= &default_parallel
},
232 { .driver
= "isa-fdc", .flag
= &default_floppy
},
233 { .driver
= "ide-cd", .flag
= &default_cdrom
},
234 { .driver
= "ide-hd", .flag
= &default_cdrom
},
235 { .driver
= "ide-drive", .flag
= &default_cdrom
},
236 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
237 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
238 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
239 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
240 { .driver
= "VGA", .flag
= &default_vga
},
241 { .driver
= "isa-vga", .flag
= &default_vga
},
242 { .driver
= "cirrus-vga", .flag
= &default_vga
},
243 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
244 { .driver
= "vmware-svga", .flag
= &default_vga
},
245 { .driver
= "qxl-vga", .flag
= &default_vga
},
248 static QemuOptsList qemu_rtc_opts
= {
250 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
254 .type
= QEMU_OPT_STRING
,
257 .type
= QEMU_OPT_STRING
,
260 .type
= QEMU_OPT_STRING
,
262 { /* end of list */ }
266 static QemuOptsList qemu_sandbox_opts
= {
268 .implied_opt_name
= "enable",
269 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
273 .type
= QEMU_OPT_BOOL
,
275 { /* end of list */ }
279 static QemuOptsList qemu_trace_opts
= {
281 .implied_opt_name
= "trace",
282 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
286 .type
= QEMU_OPT_STRING
,
289 .type
= QEMU_OPT_STRING
,
291 { /* end of list */ }
295 static QemuOptsList qemu_option_rom_opts
= {
296 .name
= "option-rom",
297 .implied_opt_name
= "romfile",
298 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
302 .type
= QEMU_OPT_NUMBER
,
305 .type
= QEMU_OPT_STRING
,
307 { /* end of list */ }
311 static QemuOptsList qemu_machine_opts
= {
313 .implied_opt_name
= "type",
315 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
319 .type
= QEMU_OPT_STRING
,
320 .help
= "emulated machine"
323 .type
= QEMU_OPT_STRING
,
324 .help
= "accelerator list",
326 .name
= "kernel_irqchip",
327 .type
= QEMU_OPT_BOOL
,
328 .help
= "use KVM in-kernel irqchip",
330 .name
= "kvm_shadow_mem",
331 .type
= QEMU_OPT_SIZE
,
332 .help
= "KVM shadow MMU size",
335 .type
= QEMU_OPT_STRING
,
336 .help
= "Linux kernel image file",
339 .type
= QEMU_OPT_STRING
,
340 .help
= "Linux initial ramdisk file",
343 .type
= QEMU_OPT_STRING
,
344 .help
= "Linux kernel command line",
347 .type
= QEMU_OPT_STRING
,
348 .help
= "Linux kernel device tree file",
351 .type
= QEMU_OPT_STRING
,
352 .help
= "Dump current dtb to a file and quit",
354 .name
= "phandle_start",
355 .type
= QEMU_OPT_NUMBER
,
356 .help
= "The first phandle ID we may generate dynamically",
358 .name
= "dt_compatible",
359 .type
= QEMU_OPT_STRING
,
360 .help
= "Overrides the \"compatible\" property of the dt root node",
362 .name
= "dump-guest-core",
363 .type
= QEMU_OPT_BOOL
,
364 .help
= "Include guest memory in a core dump",
367 .type
= QEMU_OPT_BOOL
,
368 .help
= "enable/disable memory merge support",
371 .type
= QEMU_OPT_BOOL
,
372 .help
= "Set on/off to enable/disable usb",
375 .type
= QEMU_OPT_STRING
,
376 .help
= "firmware image",
378 { /* End of list */ }
382 static QemuOptsList qemu_boot_opts
= {
384 .implied_opt_name
= "order",
386 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
390 .type
= QEMU_OPT_STRING
,
393 .type
= QEMU_OPT_STRING
,
396 .type
= QEMU_OPT_BOOL
,
399 .type
= QEMU_OPT_STRING
,
401 .name
= "splash-time",
402 .type
= QEMU_OPT_STRING
,
404 .name
= "reboot-timeout",
405 .type
= QEMU_OPT_STRING
,
408 .type
= QEMU_OPT_BOOL
,
414 static QemuOptsList qemu_add_fd_opts
= {
416 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
420 .type
= QEMU_OPT_NUMBER
,
421 .help
= "file descriptor of which a duplicate is added to fd set",
424 .type
= QEMU_OPT_NUMBER
,
425 .help
= "ID of the fd set to add fd to",
428 .type
= QEMU_OPT_STRING
,
429 .help
= "free-form string used to describe fd",
431 { /* end of list */ }
435 static QemuOptsList qemu_object_opts
= {
437 .implied_opt_name
= "qom-type",
438 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
444 static QemuOptsList qemu_tpmdev_opts
= {
446 .implied_opt_name
= "type",
447 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
449 /* options are defined in the TPM backends */
450 { /* end of list */ }
454 static QemuOptsList qemu_realtime_opts
= {
456 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
460 .type
= QEMU_OPT_BOOL
,
462 { /* end of list */ }
466 static QemuOptsList qemu_msg_opts
= {
468 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
472 .type
= QEMU_OPT_BOOL
,
474 { /* end of list */ }
479 * Get machine options
481 * Returns: machine options (never null).
483 QemuOpts
*qemu_get_machine_opts(void)
488 list
= qemu_find_opts("machine");
490 opts
= qemu_opts_find(list
, NULL
);
492 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
497 const char *qemu_get_vm_name(void)
502 static void res_free(void)
504 if (boot_splash_filedata
!= NULL
) {
505 g_free(boot_splash_filedata
);
506 boot_splash_filedata
= NULL
;
510 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
512 const char *driver
= qemu_opt_get(opts
, "driver");
517 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
518 if (strcmp(default_list
[i
].driver
, driver
) != 0)
520 *(default_list
[i
].flag
) = 0;
525 /***********************************************************/
528 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
533 } RunStateTransition
;
535 static const RunStateTransition runstate_transitions_def
[] = {
537 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
538 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
540 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
541 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
543 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
544 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
546 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
547 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
549 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
550 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
552 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
553 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
555 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
556 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
557 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
559 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
560 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
562 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
564 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
565 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
566 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
567 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
568 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
569 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
570 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
571 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
572 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
573 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
575 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
577 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
578 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
581 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
582 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
583 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
585 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
586 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
588 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
589 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
591 { RUN_STATE_MAX
, RUN_STATE_MAX
},
594 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
596 bool runstate_check(RunState state
)
598 return current_run_state
== state
;
601 static void runstate_init(void)
603 const RunStateTransition
*p
;
605 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
607 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
608 runstate_valid_transitions
[p
->from
][p
->to
] = true;
612 /* This function will abort() on invalid state transitions */
613 void runstate_set(RunState new_state
)
615 assert(new_state
< RUN_STATE_MAX
);
617 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
618 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
619 RunState_lookup
[current_run_state
],
620 RunState_lookup
[new_state
]);
623 trace_runstate_set(new_state
);
624 current_run_state
= new_state
;
627 int runstate_is_running(void)
629 return runstate_check(RUN_STATE_RUNNING
);
632 bool runstate_needs_reset(void)
634 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
635 runstate_check(RUN_STATE_SHUTDOWN
);
638 StatusInfo
*qmp_query_status(Error
**errp
)
640 StatusInfo
*info
= g_malloc0(sizeof(*info
));
642 info
->running
= runstate_is_running();
643 info
->singlestep
= singlestep
;
644 info
->status
= current_run_state
;
649 /***********************************************************/
650 /* real time host monotonic timer */
652 /***********************************************************/
653 /* host time/date access */
654 void qemu_get_timedate(struct tm
*tm
, int offset
)
660 if (rtc_date_offset
== -1) {
664 localtime_r(&ti
, tm
);
666 ti
-= rtc_date_offset
;
671 int qemu_timedate_diff(struct tm
*tm
)
675 if (rtc_date_offset
== -1)
677 seconds
= mktimegm(tm
);
680 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
681 seconds
= mktime(&tmp
);
684 seconds
= mktimegm(tm
) + rtc_date_offset
;
686 return seconds
- time(NULL
);
689 void rtc_change_mon_event(struct tm
*tm
)
693 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
694 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
695 qobject_decref(data
);
698 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
700 time_t rtc_start_date
;
703 if (!strcmp(startdate
, "now") && legacy
) {
704 rtc_date_offset
= -1;
706 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
714 } else if (sscanf(startdate
, "%d-%d-%d",
726 rtc_start_date
= mktimegm(&tm
);
727 if (rtc_start_date
== -1) {
729 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
730 "'2006-06-17T16:01:21' or '2006-06-17'\n");
733 rtc_date_offset
= time(NULL
) - rtc_start_date
;
737 static void configure_rtc(QemuOpts
*opts
)
741 value
= qemu_opt_get(opts
, "base");
743 if (!strcmp(value
, "utc")) {
745 } else if (!strcmp(value
, "localtime")) {
748 configure_rtc_date_offset(value
, 0);
751 value
= qemu_opt_get(opts
, "clock");
753 if (!strcmp(value
, "host")) {
754 rtc_clock
= QEMU_CLOCK_HOST
;
755 } else if (!strcmp(value
, "rt")) {
756 rtc_clock
= QEMU_CLOCK_REALTIME
;
757 } else if (!strcmp(value
, "vm")) {
758 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
760 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
764 value
= qemu_opt_get(opts
, "driftfix");
766 if (!strcmp(value
, "slew")) {
767 static GlobalProperty slew_lost_ticks
[] = {
769 .driver
= "mc146818rtc",
770 .property
= "lost_tick_policy",
773 { /* end of list */ }
776 qdev_prop_register_global_list(slew_lost_ticks
);
777 } else if (!strcmp(value
, "none")) {
778 /* discard is default */
780 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
786 /***********************************************************/
787 /* Bluetooth support */
790 static struct HCIInfo
*hci_table
[MAX_NICS
];
792 struct HCIInfo
*qemu_next_hci(void)
794 if (cur_hci
== nb_hcis
)
797 return hci_table
[cur_hci
++];
800 static int bt_hci_parse(const char *str
)
805 if (nb_hcis
>= MAX_NICS
) {
806 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
819 bdaddr
.b
[5] = 0x56 + nb_hcis
;
820 hci
->bdaddr_set(hci
, bdaddr
.b
);
822 hci_table
[nb_hcis
++] = hci
;
827 static void bt_vhci_add(int vlan_id
)
829 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
832 fprintf(stderr
, "qemu: warning: adding a VHCI to "
833 "an empty scatternet %i\n", vlan_id
);
835 bt_vhci_init(bt_new_hci(vlan
));
838 static struct bt_device_s
*bt_device_add(const char *opt
)
840 struct bt_scatternet_s
*vlan
;
842 char *endp
= strstr(opt
, ",vlan=");
843 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
846 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
849 vlan_id
= strtol(endp
+ 6, &endp
, 0);
851 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
856 vlan
= qemu_find_bt_vlan(vlan_id
);
859 fprintf(stderr
, "qemu: warning: adding a slave device to "
860 "an empty scatternet %i\n", vlan_id
);
862 if (!strcmp(devname
, "keyboard"))
863 return bt_keyboard_init(vlan
);
865 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
869 static int bt_parse(const char *opt
)
871 const char *endp
, *p
;
874 if (strstart(opt
, "hci", &endp
)) {
875 if (!*endp
|| *endp
== ',') {
877 if (!strstart(endp
, ",vlan=", 0))
880 return bt_hci_parse(opt
);
882 } else if (strstart(opt
, "vhci", &endp
)) {
883 if (!*endp
|| *endp
== ',') {
885 if (strstart(endp
, ",vlan=", &p
)) {
886 vlan
= strtol(p
, (char **) &endp
, 0);
888 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
892 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
901 } else if (strstart(opt
, "device:", &endp
))
902 return !bt_device_add(endp
);
904 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
908 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
910 /* FIXME: change this to true for 1.3 */
911 if (qemu_opt_get_bool(opts
, "enable", false)) {
912 #ifdef CONFIG_SECCOMP
913 if (seccomp_start() < 0) {
914 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
915 "failed to install seccomp syscall filter in the kernel");
919 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
920 "sandboxing request but seccomp is not compiled into this build");
928 bool usb_enabled(bool default_usb
)
930 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
934 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
936 int fd
, dupfd
, flags
;
938 const char *fd_opaque
= NULL
;
940 fd
= qemu_opt_get_number(opts
, "fd", -1);
941 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
942 fd_opaque
= qemu_opt_get(opts
, "opaque");
945 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
946 "fd option is required and must be non-negative");
950 if (fd
<= STDERR_FILENO
) {
951 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
952 "fd cannot be a standard I/O stream");
957 * All fds inherited across exec() necessarily have FD_CLOEXEC
958 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
960 flags
= fcntl(fd
, F_GETFD
);
961 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
962 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
963 "fd is not valid or already in use");
968 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
969 "set option is required and must be non-negative");
973 #ifdef F_DUPFD_CLOEXEC
974 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
978 qemu_set_cloexec(dupfd
);
982 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
983 "Error duplicating fd: %s", strerror(errno
));
987 /* add the duplicate fd, and optionally the opaque string, to the fd set */
988 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
994 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
998 fd
= qemu_opt_get_number(opts
, "fd", -1);
1005 /***********************************************************/
1006 /* QEMU Block devices */
1008 #define HD_OPTS "media=disk"
1009 #define CDROM_OPTS "media=cdrom"
1011 #define PFLASH_OPTS ""
1015 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1017 BlockInterfaceType
*block_default_type
= opaque
;
1019 return drive_init(opts
, *block_default_type
) == NULL
;
1022 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1024 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1025 qemu_opt_set(opts
, "snapshot", "on");
1030 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1031 int index
, const char *optstr
)
1035 if (!enable
|| drive_get_by_index(type
, index
)) {
1039 opts
= drive_add(type
, index
, NULL
, optstr
);
1041 drive_enable_snapshot(opts
, NULL
);
1043 if (!drive_init(opts
, type
)) {
1048 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1050 boot_set_handler
= func
;
1051 boot_set_opaque
= opaque
;
1054 int qemu_boot_set(const char *boot_order
)
1056 if (!boot_set_handler
) {
1059 return boot_set_handler(boot_set_opaque
, boot_order
);
1062 static void validate_bootdevices(const char *devices
)
1064 /* We just do some generic consistency checks */
1068 for (p
= devices
; *p
!= '\0'; p
++) {
1069 /* Allowed boot devices are:
1070 * a-b: floppy disk drives
1071 * c-f: IDE disk drives
1072 * g-m: machine implementation dependent drives
1073 * n-p: network devices
1074 * It's up to each machine implementation to check if the given boot
1075 * devices match the actual hardware implementation and firmware
1078 if (*p
< 'a' || *p
> 'p') {
1079 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1082 if (bitmap
& (1 << (*p
- 'a'))) {
1083 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1086 bitmap
|= 1 << (*p
- 'a');
1090 static void restore_boot_order(void *opaque
)
1092 char *normal_boot_order
= opaque
;
1093 static int first
= 1;
1095 /* Restore boot order and remove ourselves after the first boot */
1101 qemu_boot_set(normal_boot_order
);
1103 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1104 g_free(normal_boot_order
);
1107 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1110 FWBootEntry
*node
, *i
;
1112 if (bootindex
< 0) {
1116 assert(dev
!= NULL
|| suffix
!= NULL
);
1118 node
= g_malloc0(sizeof(FWBootEntry
));
1119 node
->bootindex
= bootindex
;
1120 node
->suffix
= g_strdup(suffix
);
1123 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1124 if (i
->bootindex
== bootindex
) {
1125 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1127 } else if (i
->bootindex
< bootindex
) {
1130 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1133 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1136 DeviceState
*get_boot_device(uint32_t position
)
1138 uint32_t counter
= 0;
1139 FWBootEntry
*i
= NULL
;
1140 DeviceState
*res
= NULL
;
1142 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1143 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1144 if (counter
== position
) {
1155 * This function returns null terminated string that consist of new line
1156 * separated device paths.
1158 * memory pointed by "size" is assigned total length of the array in bytes
1161 char *get_boot_devices_list(size_t *size
)
1167 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1168 char *devpath
= NULL
, *bootpath
;
1172 devpath
= qdev_get_fw_dev_path(i
->dev
);
1176 if (i
->suffix
&& devpath
) {
1177 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1179 bootpath
= g_malloc(bootpathlen
);
1180 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1182 } else if (devpath
) {
1186 bootpath
= g_strdup(i
->suffix
);
1190 list
[total
-1] = '\n';
1192 len
= strlen(bootpath
) + 1;
1193 list
= g_realloc(list
, total
+ len
);
1194 memcpy(&list
[total
], bootpath
, len
);
1201 if (boot_strict
&& *size
> 0) {
1202 list
[total
-1] = '\n';
1203 list
= g_realloc(list
, total
+ 5);
1204 memcpy(&list
[total
], "HALT", 5);
1210 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1213 unsigned long long value
, endvalue
;
1215 /* Empty CPU range strings will be considered valid, they will simply
1216 * not set any bit in the CPU bitmap.
1222 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1225 if (*endptr
== '-') {
1226 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1229 } else if (*endptr
== '\0') {
1235 if (endvalue
>= MAX_CPUMASK_BITS
) {
1236 endvalue
= MAX_CPUMASK_BITS
- 1;
1238 "qemu: NUMA: A max of %d VCPUs are supported\n",
1242 if (endvalue
< value
) {
1246 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1250 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1254 static void numa_add(const char *optarg
)
1258 unsigned long long nodenr
;
1260 optarg
= get_opt_name(option
, 128, optarg
, ',');
1261 if (*optarg
== ',') {
1264 if (!strcmp(option
, "node")) {
1266 if (nb_numa_nodes
>= MAX_NODES
) {
1267 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1271 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1272 nodenr
= nb_numa_nodes
;
1274 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1275 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1280 if (nodenr
>= MAX_NODES
) {
1281 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1285 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1286 node_mem
[nodenr
] = 0;
1289 sval
= strtosz(option
, &endptr
);
1290 if (sval
< 0 || *endptr
) {
1291 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1294 node_mem
[nodenr
] = sval
;
1296 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1297 numa_node_parse_cpus(nodenr
, option
);
1301 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1306 static QemuOptsList qemu_smp_opts
= {
1308 .implied_opt_name
= "cpus",
1309 .merge_lists
= true,
1310 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1314 .type
= QEMU_OPT_NUMBER
,
1317 .type
= QEMU_OPT_NUMBER
,
1320 .type
= QEMU_OPT_NUMBER
,
1323 .type
= QEMU_OPT_NUMBER
,
1326 .type
= QEMU_OPT_NUMBER
,
1328 { /*End of list */ }
1332 static void smp_parse(QemuOpts
*opts
)
1336 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1337 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1338 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1339 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1341 /* compute missing values, prefer sockets over cores over threads */
1342 if (cpus
== 0 || sockets
== 0) {
1343 sockets
= sockets
> 0 ? sockets
: 1;
1344 cores
= cores
> 0 ? cores
: 1;
1345 threads
= threads
> 0 ? threads
: 1;
1347 cpus
= cores
* threads
* sockets
;
1351 threads
= threads
> 0 ? threads
: 1;
1352 cores
= cpus
/ (sockets
* threads
);
1354 threads
= cpus
/ (cores
* sockets
);
1358 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1361 smp_cores
= cores
> 0 ? cores
: 1;
1362 smp_threads
= threads
> 0 ? threads
: 1;
1366 if (max_cpus
== 0) {
1367 max_cpus
= smp_cpus
;
1370 if (max_cpus
> 255) {
1371 fprintf(stderr
, "Unsupported number of maxcpus\n");
1374 if (max_cpus
< smp_cpus
) {
1375 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1381 static void configure_realtime(QemuOpts
*opts
)
1385 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1388 if (os_mlock() < 0) {
1389 fprintf(stderr
, "qemu: locking memory failed\n");
1396 static void configure_msg(QemuOpts
*opts
)
1398 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1401 /***********************************************************/
1404 static int usb_device_add(const char *devname
)
1406 USBDevice
*dev
= NULL
;
1407 #ifndef CONFIG_LINUX
1411 if (!usb_enabled(false)) {
1415 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1416 dev
= usbdevice_create(devname
);
1420 /* the other ones */
1421 #ifndef CONFIG_LINUX
1422 /* only the linux version is qdev-ified, usb-bsd still needs this */
1423 if (strstart(devname
, "host:", &p
)) {
1424 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1434 static int usb_device_del(const char *devname
)
1439 if (strstart(devname
, "host:", &p
)) {
1443 if (!usb_enabled(false)) {
1447 p
= strchr(devname
, '.');
1450 bus_num
= strtoul(devname
, NULL
, 0);
1451 addr
= strtoul(p
+ 1, NULL
, 0);
1453 return usb_device_delete_addr(bus_num
, addr
);
1456 static int usb_parse(const char *cmdline
)
1459 r
= usb_device_add(cmdline
);
1461 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1466 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1468 const char *devname
= qdict_get_str(qdict
, "devname");
1469 if (usb_device_add(devname
) < 0) {
1470 error_report("could not add USB device '%s'", devname
);
1474 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1476 const char *devname
= qdict_get_str(qdict
, "devname");
1477 if (usb_device_del(devname
) < 0) {
1478 error_report("could not delete USB device '%s'", devname
);
1482 /***********************************************************/
1483 /* PCMCIA/Cardbus */
1485 static struct pcmcia_socket_entry_s
{
1486 PCMCIASocket
*socket
;
1487 struct pcmcia_socket_entry_s
*next
;
1488 } *pcmcia_sockets
= 0;
1490 void pcmcia_socket_register(PCMCIASocket
*socket
)
1492 struct pcmcia_socket_entry_s
*entry
;
1494 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1495 entry
->socket
= socket
;
1496 entry
->next
= pcmcia_sockets
;
1497 pcmcia_sockets
= entry
;
1500 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1502 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1504 ptr
= &pcmcia_sockets
;
1505 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1506 if (entry
->socket
== socket
) {
1512 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1514 struct pcmcia_socket_entry_s
*iter
;
1516 if (!pcmcia_sockets
)
1517 monitor_printf(mon
, "No PCMCIA sockets\n");
1519 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1520 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1521 iter
->socket
->attached
? iter
->socket
->card_string
:
1525 /***********************************************************/
1526 /* machine registration */
1528 static QEMUMachine
*first_machine
= NULL
;
1529 QEMUMachine
*current_machine
= NULL
;
1531 int qemu_register_machine(QEMUMachine
*m
)
1534 pm
= &first_machine
;
1542 static QEMUMachine
*find_machine(const char *name
)
1546 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1547 if (!strcmp(m
->name
, name
))
1549 if (m
->alias
&& !strcmp(m
->alias
, name
))
1555 QEMUMachine
*find_default_machine(void)
1559 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1560 if (m
->is_default
) {
1567 MachineInfoList
*qmp_query_machines(Error
**errp
)
1569 MachineInfoList
*mach_list
= NULL
;
1572 for (m
= first_machine
; m
; m
= m
->next
) {
1573 MachineInfoList
*entry
;
1576 info
= g_malloc0(sizeof(*info
));
1577 if (m
->is_default
) {
1578 info
->has_is_default
= true;
1579 info
->is_default
= true;
1583 info
->has_alias
= true;
1584 info
->alias
= g_strdup(m
->alias
);
1587 info
->name
= g_strdup(m
->name
);
1588 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1590 entry
= g_malloc0(sizeof(*entry
));
1591 entry
->value
= info
;
1592 entry
->next
= mach_list
;
1599 /***********************************************************/
1600 /* main execution loop */
1602 struct vm_change_state_entry
{
1603 VMChangeStateHandler
*cb
;
1605 QLIST_ENTRY (vm_change_state_entry
) entries
;
1608 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1610 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1613 VMChangeStateEntry
*e
;
1615 e
= g_malloc0(sizeof (*e
));
1619 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1623 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1625 QLIST_REMOVE (e
, entries
);
1629 void vm_state_notify(int running
, RunState state
)
1631 VMChangeStateEntry
*e
;
1633 trace_vm_state_notify(running
, state
);
1635 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1636 e
->cb(e
->opaque
, running
, state
);
1642 if (!runstate_is_running()) {
1644 runstate_set(RUN_STATE_RUNNING
);
1645 vm_state_notify(1, RUN_STATE_RUNNING
);
1647 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1651 /* reset/shutdown handler */
1653 typedef struct QEMUResetEntry
{
1654 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1655 QEMUResetHandler
*func
;
1659 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1660 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1661 static int reset_requested
;
1662 static int shutdown_requested
, shutdown_signal
= -1;
1663 static pid_t shutdown_pid
;
1664 static int powerdown_requested
;
1665 static int debug_requested
;
1666 static int suspend_requested
;
1667 static WakeupReason wakeup_reason
;
1668 static NotifierList powerdown_notifiers
=
1669 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1670 static NotifierList suspend_notifiers
=
1671 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1672 static NotifierList wakeup_notifiers
=
1673 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1674 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1675 static RunState vmstop_requested
= RUN_STATE_MAX
;
1677 int qemu_shutdown_requested_get(void)
1679 return shutdown_requested
;
1682 int qemu_reset_requested_get(void)
1684 return reset_requested
;
1687 static int qemu_shutdown_requested(void)
1689 int r
= shutdown_requested
;
1690 shutdown_requested
= 0;
1694 static void qemu_kill_report(void)
1696 if (!qtest_driver() && shutdown_signal
!= -1) {
1697 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1698 if (shutdown_pid
== 0) {
1699 /* This happens for eg ^C at the terminal, so it's worth
1700 * avoiding printing an odd message in that case.
1702 fputc('\n', stderr
);
1704 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1706 shutdown_signal
= -1;
1710 static int qemu_reset_requested(void)
1712 int r
= reset_requested
;
1713 reset_requested
= 0;
1717 static int qemu_suspend_requested(void)
1719 int r
= suspend_requested
;
1720 suspend_requested
= 0;
1724 static WakeupReason
qemu_wakeup_requested(void)
1726 return wakeup_reason
;
1729 static int qemu_powerdown_requested(void)
1731 int r
= powerdown_requested
;
1732 powerdown_requested
= 0;
1736 static int qemu_debug_requested(void)
1738 int r
= debug_requested
;
1739 debug_requested
= 0;
1743 /* We use RUN_STATE_MAX but any invalid value will do */
1744 static bool qemu_vmstop_requested(RunState
*r
)
1746 if (vmstop_requested
< RUN_STATE_MAX
) {
1747 *r
= vmstop_requested
;
1748 vmstop_requested
= RUN_STATE_MAX
;
1755 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1757 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1760 re
->opaque
= opaque
;
1761 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1764 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1768 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1769 if (re
->func
== func
&& re
->opaque
== opaque
) {
1770 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1777 void qemu_devices_reset(void)
1779 QEMUResetEntry
*re
, *nre
;
1781 /* reset all devices */
1782 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1783 re
->func(re
->opaque
);
1787 void qemu_system_reset(bool report
)
1789 if (current_machine
&& current_machine
->reset
) {
1790 current_machine
->reset();
1792 qemu_devices_reset();
1795 monitor_protocol_event(QEVENT_RESET
, NULL
);
1797 cpu_synchronize_all_post_reset();
1800 void qemu_system_reset_request(void)
1803 shutdown_requested
= 1;
1805 reset_requested
= 1;
1808 qemu_notify_event();
1811 static void qemu_system_suspend(void)
1814 notifier_list_notify(&suspend_notifiers
, NULL
);
1815 runstate_set(RUN_STATE_SUSPENDED
);
1816 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1819 void qemu_system_suspend_request(void)
1821 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1824 suspend_requested
= 1;
1826 qemu_notify_event();
1829 void qemu_register_suspend_notifier(Notifier
*notifier
)
1831 notifier_list_add(&suspend_notifiers
, notifier
);
1834 void qemu_system_wakeup_request(WakeupReason reason
)
1836 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1839 if (!(wakeup_reason_mask
& (1 << reason
))) {
1842 runstate_set(RUN_STATE_RUNNING
);
1843 wakeup_reason
= reason
;
1844 qemu_notify_event();
1847 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1850 wakeup_reason_mask
|= (1 << reason
);
1852 wakeup_reason_mask
&= ~(1 << reason
);
1856 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1858 notifier_list_add(&wakeup_notifiers
, notifier
);
1861 void qemu_system_killed(int signal
, pid_t pid
)
1863 shutdown_signal
= signal
;
1866 qemu_system_shutdown_request();
1869 void qemu_system_shutdown_request(void)
1871 shutdown_requested
= 1;
1872 qemu_notify_event();
1875 static void qemu_system_powerdown(void)
1877 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1878 notifier_list_notify(&powerdown_notifiers
, NULL
);
1881 void qemu_system_powerdown_request(void)
1883 powerdown_requested
= 1;
1884 qemu_notify_event();
1887 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1889 notifier_list_add(&powerdown_notifiers
, notifier
);
1892 void qemu_system_debug_request(void)
1894 debug_requested
= 1;
1895 qemu_notify_event();
1898 void qemu_system_vmstop_request(RunState state
)
1900 vmstop_requested
= state
;
1901 qemu_notify_event();
1904 static bool main_loop_should_exit(void)
1907 if (qemu_debug_requested()) {
1908 vm_stop(RUN_STATE_DEBUG
);
1910 if (qemu_suspend_requested()) {
1911 qemu_system_suspend();
1913 if (qemu_shutdown_requested()) {
1915 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1917 vm_stop(RUN_STATE_SHUTDOWN
);
1922 if (qemu_reset_requested()) {
1924 cpu_synchronize_all_states();
1925 qemu_system_reset(VMRESET_REPORT
);
1927 if (runstate_needs_reset()) {
1928 runstate_set(RUN_STATE_PAUSED
);
1931 if (qemu_wakeup_requested()) {
1933 cpu_synchronize_all_states();
1934 qemu_system_reset(VMRESET_SILENT
);
1935 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1936 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1938 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1940 if (qemu_powerdown_requested()) {
1941 qemu_system_powerdown();
1943 if (qemu_vmstop_requested(&r
)) {
1949 static void main_loop(void)
1953 #ifdef CONFIG_PROFILER
1957 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1958 #ifdef CONFIG_PROFILER
1959 ti
= profile_getclock();
1961 last_io
= main_loop_wait(nonblocking
);
1962 #ifdef CONFIG_PROFILER
1963 dev_time
+= profile_getclock() - ti
;
1965 } while (!main_loop_should_exit());
1968 static void version(void)
1970 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1973 static void help(int exitcode
)
1976 printf("usage: %s [options] [disk_image]\n\n"
1977 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1978 error_get_progname());
1980 #define QEMU_OPTIONS_GENERATE_HELP
1981 #include "qemu-options-wrapper.h"
1983 printf("\nDuring emulation, the following keys are useful:\n"
1984 "ctrl-alt-f toggle full screen\n"
1985 "ctrl-alt-n switch to virtual console 'n'\n"
1986 "ctrl-alt toggle mouse and keyboard grab\n"
1988 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1993 #define HAS_ARG 0x0001
1995 typedef struct QEMUOption
{
2002 static const QEMUOption qemu_options
[] = {
2003 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2004 #define QEMU_OPTIONS_GENERATE_OPTIONS
2005 #include "qemu-options-wrapper.h"
2009 static bool vga_available(void)
2011 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2014 static bool cirrus_vga_available(void)
2016 return object_class_by_name("cirrus-vga")
2017 || object_class_by_name("isa-cirrus-vga");
2020 static bool vmware_vga_available(void)
2022 return object_class_by_name("vmware-svga");
2025 static bool qxl_vga_available(void)
2027 return object_class_by_name("qxl-vga");
2030 static bool tcx_vga_available(void)
2032 return object_class_by_name("SUNW,tcx");
2035 static bool cg3_vga_available(void)
2037 return object_class_by_name("cgthree");
2040 static void select_vgahw (const char *p
)
2044 vga_interface_type
= VGA_NONE
;
2045 if (strstart(p
, "std", &opts
)) {
2046 if (vga_available()) {
2047 vga_interface_type
= VGA_STD
;
2049 fprintf(stderr
, "Error: standard VGA not available\n");
2052 } else if (strstart(p
, "cirrus", &opts
)) {
2053 if (cirrus_vga_available()) {
2054 vga_interface_type
= VGA_CIRRUS
;
2056 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2059 } else if (strstart(p
, "vmware", &opts
)) {
2060 if (vmware_vga_available()) {
2061 vga_interface_type
= VGA_VMWARE
;
2063 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2066 } else if (strstart(p
, "xenfb", &opts
)) {
2067 vga_interface_type
= VGA_XENFB
;
2068 } else if (strstart(p
, "qxl", &opts
)) {
2069 if (qxl_vga_available()) {
2070 vga_interface_type
= VGA_QXL
;
2072 fprintf(stderr
, "Error: QXL VGA not available\n");
2075 } else if (strstart(p
, "tcx", &opts
)) {
2076 if (tcx_vga_available()) {
2077 vga_interface_type
= VGA_TCX
;
2079 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2082 } else if (strstart(p
, "cg3", &opts
)) {
2083 if (cg3_vga_available()) {
2084 vga_interface_type
= VGA_CG3
;
2086 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2089 } else if (!strstart(p
, "none", &opts
)) {
2091 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2095 const char *nextopt
;
2097 if (strstart(opts
, ",retrace=", &nextopt
)) {
2099 if (strstart(opts
, "dumb", &nextopt
))
2100 vga_retrace_method
= VGA_RETRACE_DUMB
;
2101 else if (strstart(opts
, "precise", &nextopt
))
2102 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2103 else goto invalid_vga
;
2104 } else goto invalid_vga
;
2109 static DisplayType
select_display(const char *p
)
2112 DisplayType display
= DT_DEFAULT
;
2114 if (strstart(p
, "sdl", &opts
)) {
2118 const char *nextopt
;
2120 if (strstart(opts
, ",frame=", &nextopt
)) {
2122 if (strstart(opts
, "on", &nextopt
)) {
2124 } else if (strstart(opts
, "off", &nextopt
)) {
2127 goto invalid_sdl_args
;
2129 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2131 if (strstart(opts
, "on", &nextopt
)) {
2133 } else if (strstart(opts
, "off", &nextopt
)) {
2136 goto invalid_sdl_args
;
2138 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2140 if (strstart(opts
, "on", &nextopt
)) {
2142 } else if (strstart(opts
, "off", &nextopt
)) {
2145 goto invalid_sdl_args
;
2147 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2149 if (strstart(opts
, "on", &nextopt
)) {
2151 } else if (strstart(opts
, "off", &nextopt
)) {
2154 goto invalid_sdl_args
;
2158 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2164 fprintf(stderr
, "SDL support is disabled\n");
2167 } else if (strstart(p
, "vnc", &opts
)) {
2172 const char *nextopt
;
2174 if (strstart(opts
, "=", &nextopt
)) {
2175 vnc_display
= nextopt
;
2179 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2183 fprintf(stderr
, "VNC support is disabled\n");
2186 } else if (strstart(p
, "curses", &opts
)) {
2187 #ifdef CONFIG_CURSES
2188 display
= DT_CURSES
;
2190 fprintf(stderr
, "Curses support is disabled\n");
2193 } else if (strstart(p
, "gtk", &opts
)) {
2197 fprintf(stderr
, "GTK support is disabled\n");
2200 } else if (strstart(p
, "none", &opts
)) {
2203 fprintf(stderr
, "Unknown display type: %s\n", p
);
2210 static int balloon_parse(const char *arg
)
2214 if (strcmp(arg
, "none") == 0) {
2218 if (!strncmp(arg
, "virtio", 6)) {
2219 if (arg
[6] == ',') {
2220 /* have params -> parse them */
2221 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2225 /* create empty opts */
2226 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2229 qemu_opt_set(opts
, "driver", "virtio-balloon");
2236 char *qemu_find_file(int type
, const char *name
)
2242 /* Try the name as a straight path first */
2243 if (access(name
, R_OK
) == 0) {
2244 trace_load_file(name
, name
);
2245 return g_strdup(name
);
2249 case QEMU_FILE_TYPE_BIOS
:
2252 case QEMU_FILE_TYPE_KEYMAP
:
2253 subdir
= "keymaps/";
2259 for (i
= 0; i
< data_dir_idx
; i
++) {
2260 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2261 if (access(buf
, R_OK
) == 0) {
2262 trace_load_file(name
, buf
);
2270 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2272 return qdev_device_help(opts
);
2275 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2279 dev
= qdev_device_add(opts
);
2282 object_unref(OBJECT(dev
));
2286 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2288 Error
*local_err
= NULL
;
2290 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2292 error_report("%s", error_get_pretty(local_err
));
2293 error_free(local_err
);
2299 #ifdef CONFIG_VIRTFS
2300 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2303 ret
= qemu_fsdev_add(opts
);
2309 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2311 CharDriverState
*chr
;
2312 const char *chardev
;
2316 mode
= qemu_opt_get(opts
, "mode");
2320 if (strcmp(mode
, "readline") == 0) {
2321 flags
= MONITOR_USE_READLINE
;
2322 } else if (strcmp(mode
, "control") == 0) {
2323 flags
= MONITOR_USE_CONTROL
;
2325 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2329 if (qemu_opt_get_bool(opts
, "pretty", 0))
2330 flags
|= MONITOR_USE_PRETTY
;
2332 if (qemu_opt_get_bool(opts
, "default", 0))
2333 flags
|= MONITOR_IS_DEFAULT
;
2335 chardev
= qemu_opt_get(opts
, "chardev");
2336 chr
= qemu_chr_find(chardev
);
2338 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2342 qemu_chr_fe_claim_no_fail(chr
);
2343 monitor_init(chr
, flags
);
2347 static void monitor_parse(const char *optarg
, const char *mode
)
2349 static int monitor_device_index
= 0;
2355 if (strstart(optarg
, "chardev:", &p
)) {
2356 snprintf(label
, sizeof(label
), "%s", p
);
2358 snprintf(label
, sizeof(label
), "compat_monitor%d",
2359 monitor_device_index
);
2360 if (monitor_device_index
== 0) {
2363 opts
= qemu_chr_parse_compat(label
, optarg
);
2365 fprintf(stderr
, "parse error: %s\n", optarg
);
2370 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2372 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2375 qemu_opt_set(opts
, "mode", mode
);
2376 qemu_opt_set(opts
, "chardev", label
);
2378 qemu_opt_set(opts
, "default", "on");
2379 monitor_device_index
++;
2382 struct device_config
{
2384 DEV_USB
, /* -usbdevice */
2386 DEV_SERIAL
, /* -serial */
2387 DEV_PARALLEL
, /* -parallel */
2388 DEV_VIRTCON
, /* -virtioconsole */
2389 DEV_DEBUGCON
, /* -debugcon */
2390 DEV_GDB
, /* -gdb, -s */
2391 DEV_SCLP
, /* s390 sclp */
2393 const char *cmdline
;
2395 QTAILQ_ENTRY(device_config
) next
;
2398 static QTAILQ_HEAD(, device_config
) device_configs
=
2399 QTAILQ_HEAD_INITIALIZER(device_configs
);
2401 static void add_device_config(int type
, const char *cmdline
)
2403 struct device_config
*conf
;
2405 conf
= g_malloc0(sizeof(*conf
));
2407 conf
->cmdline
= cmdline
;
2408 loc_save(&conf
->loc
);
2409 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2412 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2414 struct device_config
*conf
;
2417 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2418 if (conf
->type
!= type
)
2420 loc_push_restore(&conf
->loc
);
2421 rc
= func(conf
->cmdline
);
2422 loc_pop(&conf
->loc
);
2429 static int serial_parse(const char *devname
)
2431 static int index
= 0;
2434 if (strcmp(devname
, "none") == 0)
2436 if (index
== MAX_SERIAL_PORTS
) {
2437 fprintf(stderr
, "qemu: too many serial ports\n");
2440 snprintf(label
, sizeof(label
), "serial%d", index
);
2441 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2442 if (!serial_hds
[index
]) {
2443 fprintf(stderr
, "qemu: could not connect serial device"
2444 " to character backend '%s'\n", devname
);
2451 static int parallel_parse(const char *devname
)
2453 static int index
= 0;
2456 if (strcmp(devname
, "none") == 0)
2458 if (index
== MAX_PARALLEL_PORTS
) {
2459 fprintf(stderr
, "qemu: too many parallel ports\n");
2462 snprintf(label
, sizeof(label
), "parallel%d", index
);
2463 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2464 if (!parallel_hds
[index
]) {
2465 fprintf(stderr
, "qemu: could not connect parallel device"
2466 " to character backend '%s'\n", devname
);
2473 static int virtcon_parse(const char *devname
)
2475 QemuOptsList
*device
= qemu_find_opts("device");
2476 static int index
= 0;
2478 QemuOpts
*bus_opts
, *dev_opts
;
2480 if (strcmp(devname
, "none") == 0)
2482 if (index
== MAX_VIRTIO_CONSOLES
) {
2483 fprintf(stderr
, "qemu: too many virtio consoles\n");
2487 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2488 if (arch_type
== QEMU_ARCH_S390X
) {
2489 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2491 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2494 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2495 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2497 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2498 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2499 if (!virtcon_hds
[index
]) {
2500 fprintf(stderr
, "qemu: could not connect virtio console"
2501 " to character backend '%s'\n", devname
);
2504 qemu_opt_set(dev_opts
, "chardev", label
);
2510 static int sclp_parse(const char *devname
)
2512 QemuOptsList
*device
= qemu_find_opts("device");
2513 static int index
= 0;
2517 if (strcmp(devname
, "none") == 0) {
2520 if (index
== MAX_SCLP_CONSOLES
) {
2521 fprintf(stderr
, "qemu: too many sclp consoles\n");
2525 assert(arch_type
== QEMU_ARCH_S390X
);
2527 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2528 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2530 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2531 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2532 if (!sclp_hds
[index
]) {
2533 fprintf(stderr
, "qemu: could not connect sclp console"
2534 " to character backend '%s'\n", devname
);
2537 qemu_opt_set(dev_opts
, "chardev", label
);
2543 static int debugcon_parse(const char *devname
)
2547 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2550 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2552 fprintf(stderr
, "qemu: already have a debugcon device\n");
2555 qemu_opt_set(opts
, "driver", "isa-debugcon");
2556 qemu_opt_set(opts
, "chardev", "debugcon");
2560 static QEMUMachine
*machine_parse(const char *name
)
2562 QEMUMachine
*m
, *machine
= NULL
;
2565 machine
= find_machine(name
);
2570 printf("Supported machines are:\n");
2571 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2573 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2575 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2576 m
->is_default
? " (default)" : "");
2578 exit(!name
|| !is_help_option(name
));
2581 static int tcg_init(void)
2583 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2588 const char *opt_name
;
2590 int (*available
)(void);
2594 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2595 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2596 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2597 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2600 static int configure_accelerator(void)
2605 bool accel_initialised
= false;
2606 bool init_failed
= false;
2608 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2610 /* Use the default "accelerator", tcg */
2614 while (!accel_initialised
&& *p
!= '\0') {
2618 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2619 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2620 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2621 if (!accel_list
[i
].available()) {
2622 printf("%s not supported for this target\n",
2623 accel_list
[i
].name
);
2626 *(accel_list
[i
].allowed
) = true;
2627 ret
= accel_list
[i
].init();
2630 fprintf(stderr
, "failed to initialize %s: %s\n",
2633 *(accel_list
[i
].allowed
) = false;
2635 accel_initialised
= true;
2640 if (i
== ARRAY_SIZE(accel_list
)) {
2641 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2645 if (!accel_initialised
) {
2647 fprintf(stderr
, "No accelerator found!\n");
2653 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2656 return !accel_initialised
;
2659 void qemu_add_exit_notifier(Notifier
*notify
)
2661 notifier_list_add(&exit_notifiers
, notify
);
2664 void qemu_remove_exit_notifier(Notifier
*notify
)
2666 notifier_remove(notify
);
2669 static void qemu_run_exit_notifiers(void)
2671 notifier_list_notify(&exit_notifiers
, NULL
);
2674 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2676 notifier_list_add(&machine_init_done_notifiers
, notify
);
2679 static void qemu_run_machine_init_done_notifiers(void)
2681 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2684 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2685 const char **poptarg
, int *poptind
)
2687 const QEMUOption
*popt
;
2688 int optind
= *poptind
;
2689 char *r
= argv
[optind
];
2692 loc_set_cmdline(argv
, optind
, 1);
2694 /* Treat --foo the same as -foo. */
2697 popt
= qemu_options
;
2700 error_report("invalid option");
2703 if (!strcmp(popt
->name
, r
+ 1))
2707 if (popt
->flags
& HAS_ARG
) {
2708 if (optind
>= argc
) {
2709 error_report("requires an argument");
2712 optarg
= argv
[optind
++];
2713 loc_set_cmdline(argv
, optind
- 2, 2);
2724 static gpointer
malloc_and_trace(gsize n_bytes
)
2726 void *ptr
= malloc(n_bytes
);
2727 trace_g_malloc(n_bytes
, ptr
);
2731 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2733 void *ptr
= realloc(mem
, n_bytes
);
2734 trace_g_realloc(mem
, n_bytes
, ptr
);
2738 static void free_and_trace(gpointer mem
)
2744 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2746 Object
*obj
= OBJECT(opaque
);
2747 StringInputVisitor
*siv
;
2748 Error
*local_err
= NULL
;
2750 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2754 siv
= string_input_visitor_new(value
);
2755 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2756 string_input_visitor_cleanup(siv
);
2759 qerror_report_err(local_err
);
2760 error_free(local_err
);
2767 static int object_create(QemuOpts
*opts
, void *opaque
)
2769 const char *type
= qemu_opt_get(opts
, "qom-type");
2770 const char *id
= qemu_opts_id(opts
);
2771 Error
*local_err
= NULL
;
2774 g_assert(type
!= NULL
);
2777 qerror_report(QERR_MISSING_PARAMETER
, "id");
2781 obj
= object_new(type
);
2782 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2787 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2788 error_setg(&local_err
, "object '%s' isn't supported by -object",
2793 user_creatable_complete(obj
, &local_err
);
2798 object_property_add_child(container_get(object_get_root(), "/objects"),
2799 id
, obj
, &local_err
);
2804 qerror_report_err(local_err
);
2805 error_free(local_err
);
2811 int main(int argc
, char **argv
, char **envp
)
2814 int snapshot
, linux_boot
;
2815 const char *icount_option
= NULL
;
2816 const char *initrd_filename
;
2817 const char *kernel_filename
, *kernel_cmdline
;
2818 const char *boot_order
;
2820 int cyls
, heads
, secs
, translation
;
2821 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2822 QemuOptsList
*olist
;
2825 const char *loadvm
= NULL
;
2826 QEMUMachine
*machine
;
2827 const char *cpu_model
;
2828 const char *vga_model
= "none";
2829 const char *qtest_chrdev
= NULL
;
2830 const char *qtest_log
= NULL
;
2831 const char *pid_file
= NULL
;
2832 const char *incoming
= NULL
;
2834 int show_vnc_port
= 0;
2836 bool defconfig
= true;
2837 bool userconfig
= true;
2838 const char *log_mask
= NULL
;
2839 const char *log_file
= NULL
;
2840 GMemVTable mem_trace
= {
2841 .malloc
= malloc_and_trace
,
2842 .realloc
= realloc_and_trace
,
2843 .free
= free_and_trace
,
2845 const char *trace_events
= NULL
;
2846 const char *trace_file
= NULL
;
2848 atexit(qemu_run_exit_notifiers
);
2849 error_set_progname(argv
[0]);
2850 qemu_init_exec_dir(argv
[0]);
2852 g_mem_set_vtable(&mem_trace
);
2853 if (!g_thread_supported()) {
2854 #if !GLIB_CHECK_VERSION(2, 31, 0)
2855 g_thread_init(NULL
);
2857 fprintf(stderr
, "glib threading failed to initialize.\n");
2862 module_call_init(MODULE_INIT_QOM
);
2864 qemu_add_opts(&qemu_drive_opts
);
2865 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2866 qemu_add_drive_opts(&qemu_common_drive_opts
);
2867 qemu_add_drive_opts(&qemu_drive_opts
);
2868 qemu_add_opts(&qemu_chardev_opts
);
2869 qemu_add_opts(&qemu_device_opts
);
2870 qemu_add_opts(&qemu_netdev_opts
);
2871 qemu_add_opts(&qemu_net_opts
);
2872 qemu_add_opts(&qemu_rtc_opts
);
2873 qemu_add_opts(&qemu_global_opts
);
2874 qemu_add_opts(&qemu_mon_opts
);
2875 qemu_add_opts(&qemu_trace_opts
);
2876 qemu_add_opts(&qemu_option_rom_opts
);
2877 qemu_add_opts(&qemu_machine_opts
);
2878 qemu_add_opts(&qemu_smp_opts
);
2879 qemu_add_opts(&qemu_boot_opts
);
2880 qemu_add_opts(&qemu_sandbox_opts
);
2881 qemu_add_opts(&qemu_add_fd_opts
);
2882 qemu_add_opts(&qemu_object_opts
);
2883 qemu_add_opts(&qemu_tpmdev_opts
);
2884 qemu_add_opts(&qemu_realtime_opts
);
2885 qemu_add_opts(&qemu_msg_opts
);
2890 rtc_clock
= QEMU_CLOCK_HOST
;
2892 qemu_init_auxval(envp
);
2893 qemu_cache_utils_init();
2895 QLIST_INIT (&vm_change_state_head
);
2896 os_setup_early_signal_handling();
2898 module_call_init(MODULE_INIT_MACHINE
);
2899 machine
= find_default_machine();
2903 cyls
= heads
= secs
= 0;
2904 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2906 for (i
= 0; i
< MAX_NODES
; i
++) {
2908 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2914 bdrv_init_with_whitelist();
2918 /* first pass of option parsing */
2920 while (optind
< argc
) {
2921 if (argv
[optind
][0] != '-') {
2926 const QEMUOption
*popt
;
2928 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2929 switch (popt
->index
) {
2930 case QEMU_OPTION_nodefconfig
:
2933 case QEMU_OPTION_nouserconfig
:
2942 ret
= qemu_read_default_config_files(userconfig
);
2948 /* second pass of option parsing */
2953 if (argv
[optind
][0] != '-') {
2954 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2956 const QEMUOption
*popt
;
2958 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2959 if (!(popt
->arch_mask
& arch_type
)) {
2960 printf("Option %s not supported for this target\n", popt
->name
);
2963 switch(popt
->index
) {
2965 machine
= machine_parse(optarg
);
2967 case QEMU_OPTION_no_kvm_irqchip
: {
2968 olist
= qemu_find_opts("machine");
2969 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2972 case QEMU_OPTION_cpu
:
2973 /* hw initialization will check this */
2976 case QEMU_OPTION_hda
:
2980 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2982 snprintf(buf
, sizeof(buf
),
2983 "%s,cyls=%d,heads=%d,secs=%d%s",
2984 HD_OPTS
, cyls
, heads
, secs
,
2985 translation
== BIOS_ATA_TRANSLATION_LBA
?
2987 translation
== BIOS_ATA_TRANSLATION_NONE
?
2988 ",trans=none" : "");
2989 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2992 case QEMU_OPTION_hdb
:
2993 case QEMU_OPTION_hdc
:
2994 case QEMU_OPTION_hdd
:
2995 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2998 case QEMU_OPTION_drive
:
2999 if (drive_def(optarg
) == NULL
) {
3003 case QEMU_OPTION_set
:
3004 if (qemu_set_option(optarg
) != 0)
3007 case QEMU_OPTION_global
:
3008 if (qemu_global_option(optarg
) != 0)
3011 case QEMU_OPTION_mtdblock
:
3012 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3014 case QEMU_OPTION_sd
:
3015 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3017 case QEMU_OPTION_pflash
:
3018 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3020 case QEMU_OPTION_snapshot
:
3023 case QEMU_OPTION_hdachs
:
3027 cyls
= strtol(p
, (char **)&p
, 0);
3028 if (cyls
< 1 || cyls
> 16383)
3033 heads
= strtol(p
, (char **)&p
, 0);
3034 if (heads
< 1 || heads
> 16)
3039 secs
= strtol(p
, (char **)&p
, 0);
3040 if (secs
< 1 || secs
> 63)
3044 if (!strcmp(p
, "large")) {
3045 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3046 } else if (!strcmp(p
, "rechs")) {
3047 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3048 } else if (!strcmp(p
, "none")) {
3049 translation
= BIOS_ATA_TRANSLATION_NONE
;
3050 } else if (!strcmp(p
, "lba")) {
3051 translation
= BIOS_ATA_TRANSLATION_LBA
;
3052 } else if (!strcmp(p
, "auto")) {
3053 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3057 } else if (*p
!= '\0') {
3059 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3062 if (hda_opts
!= NULL
) {
3064 snprintf(num
, sizeof(num
), "%d", cyls
);
3065 qemu_opt_set(hda_opts
, "cyls", num
);
3066 snprintf(num
, sizeof(num
), "%d", heads
);
3067 qemu_opt_set(hda_opts
, "heads", num
);
3068 snprintf(num
, sizeof(num
), "%d", secs
);
3069 qemu_opt_set(hda_opts
, "secs", num
);
3070 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3071 qemu_opt_set(hda_opts
, "trans", "large");
3072 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3073 qemu_opt_set(hda_opts
, "trans", "rechs");
3074 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3075 qemu_opt_set(hda_opts
, "trans", "lba");
3076 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3077 qemu_opt_set(hda_opts
, "trans", "none");
3082 case QEMU_OPTION_numa
:
3085 case QEMU_OPTION_display
:
3086 display_type
= select_display(optarg
);
3088 case QEMU_OPTION_nographic
:
3089 display_type
= DT_NOGRAPHIC
;
3091 case QEMU_OPTION_curses
:
3092 #ifdef CONFIG_CURSES
3093 display_type
= DT_CURSES
;
3095 fprintf(stderr
, "Curses support is disabled\n");
3099 case QEMU_OPTION_portrait
:
3100 graphic_rotate
= 90;
3102 case QEMU_OPTION_rotate
:
3103 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3104 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3105 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3107 "qemu: only 90, 180, 270 deg rotation is available\n");
3111 case QEMU_OPTION_kernel
:
3112 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3114 case QEMU_OPTION_initrd
:
3115 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3117 case QEMU_OPTION_append
:
3118 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3120 case QEMU_OPTION_dtb
:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3123 case QEMU_OPTION_cdrom
:
3124 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3126 case QEMU_OPTION_boot
:
3127 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3132 case QEMU_OPTION_fda
:
3133 case QEMU_OPTION_fdb
:
3134 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3137 case QEMU_OPTION_no_fd_bootchk
:
3140 case QEMU_OPTION_netdev
:
3141 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3145 case QEMU_OPTION_net
:
3146 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3150 #ifdef CONFIG_LIBISCSI
3151 case QEMU_OPTION_iscsi
:
3152 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3159 case QEMU_OPTION_tftp
:
3160 legacy_tftp_prefix
= optarg
;
3162 case QEMU_OPTION_bootp
:
3163 legacy_bootp_filename
= optarg
;
3165 case QEMU_OPTION_redir
:
3166 if (net_slirp_redir(optarg
) < 0)
3170 case QEMU_OPTION_bt
:
3171 add_device_config(DEV_BT
, optarg
);
3173 case QEMU_OPTION_audio_help
:
3177 case QEMU_OPTION_soundhw
:
3178 select_soundhw (optarg
);
3183 case QEMU_OPTION_version
:
3187 case QEMU_OPTION_m
: {
3192 value
= strtosz(optarg
, &end
);
3193 if (value
< 0 || *end
) {
3194 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3197 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3199 if (ram_size
!= sz
) {
3200 fprintf(stderr
, "qemu: ram size too large\n");
3206 case QEMU_OPTION_tpmdev
:
3207 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3212 case QEMU_OPTION_mempath
:
3215 case QEMU_OPTION_mem_prealloc
:
3225 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3227 case QEMU_OPTION_gdb
:
3228 add_device_config(DEV_GDB
, optarg
);
3231 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3232 data_dir
[data_dir_idx
++] = optarg
;
3235 case QEMU_OPTION_bios
:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3238 case QEMU_OPTION_singlestep
:
3245 keyboard_layout
= optarg
;
3247 case QEMU_OPTION_localtime
:
3250 case QEMU_OPTION_vga
:
3259 w
= strtol(p
, (char **)&p
, 10);
3262 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3268 h
= strtol(p
, (char **)&p
, 10);
3273 depth
= strtol(p
, (char **)&p
, 10);
3274 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3275 depth
!= 24 && depth
!= 32)
3277 } else if (*p
== '\0') {
3278 depth
= graphic_depth
;
3285 graphic_depth
= depth
;
3288 case QEMU_OPTION_echr
:
3291 term_escape_char
= strtol(optarg
, &r
, 0);
3293 printf("Bad argument to echr\n");
3296 case QEMU_OPTION_monitor
:
3297 default_monitor
= 0;
3298 if (strncmp(optarg
, "none", 4)) {
3299 monitor_parse(optarg
, "readline");
3302 case QEMU_OPTION_qmp
:
3303 monitor_parse(optarg
, "control");
3304 default_monitor
= 0;
3306 case QEMU_OPTION_mon
:
3307 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3311 default_monitor
= 0;
3313 case QEMU_OPTION_chardev
:
3314 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3319 case QEMU_OPTION_fsdev
:
3320 olist
= qemu_find_opts("fsdev");
3322 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3325 opts
= qemu_opts_parse(olist
, optarg
, 1);
3330 case QEMU_OPTION_virtfs
: {
3333 const char *writeout
, *sock_fd
, *socket
;
3335 olist
= qemu_find_opts("virtfs");
3337 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3340 opts
= qemu_opts_parse(olist
, optarg
, 1);
3345 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3346 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3347 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3350 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3351 qemu_opt_get(opts
, "mount_tag"),
3354 fprintf(stderr
, "duplicate fsdev id: %s\n",
3355 qemu_opt_get(opts
, "mount_tag"));
3359 writeout
= qemu_opt_get(opts
, "writeout");
3361 #ifdef CONFIG_SYNC_FILE_RANGE
3362 qemu_opt_set(fsdev
, "writeout", writeout
);
3364 fprintf(stderr
, "writeout=immediate not supported on "
3369 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3370 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3371 qemu_opt_set(fsdev
, "security_model",
3372 qemu_opt_get(opts
, "security_model"));
3373 socket
= qemu_opt_get(opts
, "socket");
3375 qemu_opt_set(fsdev
, "socket", socket
);
3377 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3379 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3382 qemu_opt_set_bool(fsdev
, "readonly",
3383 qemu_opt_get_bool(opts
, "readonly", 0));
3384 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3386 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3387 qemu_opt_set(device
, "fsdev",
3388 qemu_opt_get(opts
, "mount_tag"));
3389 qemu_opt_set(device
, "mount_tag",
3390 qemu_opt_get(opts
, "mount_tag"));
3393 case QEMU_OPTION_virtfs_synth
: {
3397 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3400 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3403 qemu_opt_set(fsdev
, "fsdriver", "synth");
3405 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3407 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3408 qemu_opt_set(device
, "fsdev", "v_synth");
3409 qemu_opt_set(device
, "mount_tag", "v_synth");
3412 case QEMU_OPTION_serial
:
3413 add_device_config(DEV_SERIAL
, optarg
);
3415 if (strncmp(optarg
, "mon:", 4) == 0) {
3416 default_monitor
= 0;
3419 case QEMU_OPTION_watchdog
:
3422 "qemu: only one watchdog option may be given\n");
3427 case QEMU_OPTION_watchdog_action
:
3428 if (select_watchdog_action(optarg
) == -1) {
3429 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3433 case QEMU_OPTION_virtiocon
:
3434 add_device_config(DEV_VIRTCON
, optarg
);
3435 default_virtcon
= 0;
3436 if (strncmp(optarg
, "mon:", 4) == 0) {
3437 default_monitor
= 0;
3440 case QEMU_OPTION_parallel
:
3441 add_device_config(DEV_PARALLEL
, optarg
);
3442 default_parallel
= 0;
3443 if (strncmp(optarg
, "mon:", 4) == 0) {
3444 default_monitor
= 0;
3447 case QEMU_OPTION_debugcon
:
3448 add_device_config(DEV_DEBUGCON
, optarg
);
3450 case QEMU_OPTION_loadvm
:
3453 case QEMU_OPTION_full_screen
:
3456 case QEMU_OPTION_no_frame
:
3459 case QEMU_OPTION_alt_grab
:
3462 case QEMU_OPTION_ctrl_grab
:
3465 case QEMU_OPTION_no_quit
:
3468 case QEMU_OPTION_sdl
:
3470 display_type
= DT_SDL
;
3473 fprintf(stderr
, "SDL support is disabled\n");
3476 case QEMU_OPTION_pidfile
:
3479 case QEMU_OPTION_win2k_hack
:
3480 win2k_install_hack
= 1;
3482 case QEMU_OPTION_rtc_td_hack
: {
3483 static GlobalProperty slew_lost_ticks
[] = {
3485 .driver
= "mc146818rtc",
3486 .property
= "lost_tick_policy",
3489 { /* end of list */ }
3492 qdev_prop_register_global_list(slew_lost_ticks
);
3495 case QEMU_OPTION_acpitable
:
3496 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3500 do_acpitable_option(opts
);
3502 case QEMU_OPTION_smbios
:
3503 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3507 do_smbios_option(opts
);
3509 case QEMU_OPTION_enable_kvm
:
3510 olist
= qemu_find_opts("machine");
3511 qemu_opts_parse(olist
, "accel=kvm", 0);
3513 case QEMU_OPTION_machine
:
3514 olist
= qemu_find_opts("machine");
3515 opts
= qemu_opts_parse(olist
, optarg
, 1);
3519 optarg
= qemu_opt_get(opts
, "type");
3521 machine
= machine_parse(optarg
);
3524 case QEMU_OPTION_no_kvm
:
3525 olist
= qemu_find_opts("machine");
3526 qemu_opts_parse(olist
, "accel=tcg", 0);
3528 case QEMU_OPTION_no_kvm_pit
: {
3529 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3533 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3534 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3536 .driver
= "kvm-pit",
3537 .property
= "lost_tick_policy",
3540 { /* end of list */ }
3543 fprintf(stderr
, "Warning: option deprecated, use "
3544 "lost_tick_policy property of kvm-pit instead.\n");
3545 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3548 case QEMU_OPTION_usb
:
3549 olist
= qemu_find_opts("machine");
3550 qemu_opts_parse(olist
, "usb=on", 0);
3552 case QEMU_OPTION_usbdevice
:
3553 olist
= qemu_find_opts("machine");
3554 qemu_opts_parse(olist
, "usb=on", 0);
3555 add_device_config(DEV_USB
, optarg
);
3557 case QEMU_OPTION_device
:
3558 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3562 case QEMU_OPTION_smp
:
3563 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3567 case QEMU_OPTION_vnc
:
3570 vnc_display
= optarg
;
3572 fprintf(stderr
, "VNC support is disabled\n");
3576 case QEMU_OPTION_no_acpi
:
3579 case QEMU_OPTION_no_hpet
:
3582 case QEMU_OPTION_balloon
:
3583 if (balloon_parse(optarg
) < 0) {
3584 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3588 case QEMU_OPTION_no_reboot
:
3591 case QEMU_OPTION_no_shutdown
:
3594 case QEMU_OPTION_show_cursor
:
3597 case QEMU_OPTION_uuid
:
3598 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3599 fprintf(stderr
, "Fail to parse UUID string."
3600 " Wrong format.\n");
3603 qemu_uuid_set
= true;
3605 case QEMU_OPTION_option_rom
:
3606 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3607 fprintf(stderr
, "Too many option ROMs\n");
3610 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3614 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3615 option_rom
[nb_option_roms
].bootindex
=
3616 qemu_opt_get_number(opts
, "bootindex", -1);
3617 if (!option_rom
[nb_option_roms
].name
) {
3618 fprintf(stderr
, "Option ROM file is not specified\n");
3623 case QEMU_OPTION_semihosting
:
3624 semihosting_enabled
= 1;
3626 case QEMU_OPTION_tdf
:
3627 fprintf(stderr
, "Warning: user space PIT time drift fix "
3628 "is no longer supported.\n");
3630 case QEMU_OPTION_name
:
3631 qemu_name
= g_strdup(optarg
);
3633 char *p
= strchr(qemu_name
, ',');
3636 if (strncmp(p
, "process=", 8)) {
3637 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3641 os_set_proc_name(p
);
3645 case QEMU_OPTION_prom_env
:
3646 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3647 fprintf(stderr
, "Too many prom variables\n");
3650 prom_envs
[nb_prom_envs
] = optarg
;
3653 case QEMU_OPTION_old_param
:
3656 case QEMU_OPTION_clock
:
3657 /* Clock options no longer exist. Keep this option for
3658 * backward compatibility.
3661 case QEMU_OPTION_startdate
:
3662 configure_rtc_date_offset(optarg
, 1);
3664 case QEMU_OPTION_rtc
:
3665 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3669 configure_rtc(opts
);
3671 case QEMU_OPTION_tb_size
:
3672 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3673 if (tcg_tb_size
< 0) {
3677 case QEMU_OPTION_icount
:
3678 icount_option
= optarg
;
3680 case QEMU_OPTION_incoming
:
3682 runstate_set(RUN_STATE_INMIGRATE
);
3684 case QEMU_OPTION_nodefaults
:
3686 default_parallel
= 0;
3687 default_virtcon
= 0;
3689 default_monitor
= 0;
3696 case QEMU_OPTION_xen_domid
:
3697 if (!(xen_available())) {
3698 printf("Option %s not supported for this target\n", popt
->name
);
3701 xen_domid
= atoi(optarg
);
3703 case QEMU_OPTION_xen_create
:
3704 if (!(xen_available())) {
3705 printf("Option %s not supported for this target\n", popt
->name
);
3708 xen_mode
= XEN_CREATE
;
3710 case QEMU_OPTION_xen_attach
:
3711 if (!(xen_available())) {
3712 printf("Option %s not supported for this target\n", popt
->name
);
3715 xen_mode
= XEN_ATTACH
;
3717 case QEMU_OPTION_trace
:
3719 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3723 trace_events
= qemu_opt_get(opts
, "events");
3724 trace_file
= qemu_opt_get(opts
, "file");
3727 case QEMU_OPTION_readconfig
:
3729 int ret
= qemu_read_config_file(optarg
);
3731 fprintf(stderr
, "read config %s: %s\n", optarg
,
3737 case QEMU_OPTION_spice
:
3738 olist
= qemu_find_opts("spice");
3740 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3743 opts
= qemu_opts_parse(olist
, optarg
, 0);
3749 case QEMU_OPTION_writeconfig
:
3752 if (strcmp(optarg
, "-") == 0) {
3755 fp
= fopen(optarg
, "w");
3757 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3761 qemu_config_write(fp
);
3765 case QEMU_OPTION_qtest
:
3766 qtest_chrdev
= optarg
;
3768 case QEMU_OPTION_qtest_log
:
3771 case QEMU_OPTION_sandbox
:
3772 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3777 case QEMU_OPTION_add_fd
:
3779 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3784 error_report("File descriptor passing is disabled on this "
3789 case QEMU_OPTION_object
:
3790 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3795 case QEMU_OPTION_realtime
:
3796 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3800 configure_realtime(opts
);
3802 case QEMU_OPTION_msg
:
3803 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3807 configure_msg(opts
);
3810 os_parse_cmd_args(popt
->index
, optarg
);
3816 if (qemu_init_main_loop()) {
3817 fprintf(stderr
, "qemu_init_main_loop failed\n");
3821 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3826 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3830 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3835 if (machine
== NULL
) {
3836 fprintf(stderr
, "No machine found.\n");
3840 if (machine
->hw_version
) {
3841 qemu_set_version(machine
->hw_version
);
3844 if (qemu_opts_foreach(qemu_find_opts("object"),
3845 object_create
, NULL
, 0) != 0) {
3849 /* Init CPU def lists, based on config
3850 * - Must be called after all the qemu_read_config_file() calls
3851 * - Must be called before list_cpus()
3852 * - Must be called before machine->init()
3856 if (cpu_model
&& is_help_option(cpu_model
)) {
3857 list_cpus(stdout
, &fprintf
, cpu_model
);
3861 /* Open the logfile at this point, if necessary. We can't open the logfile
3862 * when encountering either of the logging options (-d or -D) because the
3863 * other one may be encountered later on the command line, changing the
3864 * location or level of logging.
3869 qemu_set_log_filename(log_file
);
3872 mask
= qemu_str_to_log_mask(log_mask
);
3874 qemu_print_log_usage(stdout
);
3880 if (!is_daemonized()) {
3881 if (!trace_backend_init(trace_events
, trace_file
)) {
3886 /* If no data_dir is specified then try to find it relative to the
3888 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3889 data_dir
[data_dir_idx
] = os_find_datadir();
3890 if (data_dir
[data_dir_idx
] != NULL
) {
3894 /* If all else fails use the install path specified when building. */
3895 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3896 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3899 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3901 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3902 if (smp_cpus
> machine
->max_cpus
) {
3903 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3904 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3910 * Get the default machine options from the machine if it is not already
3911 * specified either by the configuration file or by the command line.
3913 if (machine
->default_machine_opts
) {
3914 qemu_opts_set_defaults(qemu_find_opts("machine"),
3915 machine
->default_machine_opts
, 0);
3918 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3919 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3921 if (machine
->no_serial
) {
3924 if (machine
->no_parallel
) {
3925 default_parallel
= 0;
3927 if (!machine
->use_virtcon
) {
3928 default_virtcon
= 0;
3930 if (!machine
->use_sclp
) {
3933 if (machine
->no_floppy
) {
3936 if (machine
->no_cdrom
) {
3939 if (machine
->no_sdcard
) {
3943 if (is_daemonized()) {
3944 /* According to documentation and historically, -nographic redirects
3945 * serial port, parallel port and monitor to stdio, which does not work
3946 * with -daemonize. We can redirect these to null instead, but since
3947 * -nographic is legacy, let's just error out.
3948 * We disallow -nographic only if all other ports are not redirected
3949 * explicitly, to not break existing legacy setups which uses
3950 * -nographic _and_ redirects all ports explicitly - this is valid
3951 * usage, -nographic is just a no-op in this case.
3953 if (display_type
== DT_NOGRAPHIC
3954 && (default_parallel
|| default_serial
3955 || default_monitor
|| default_virtcon
)) {
3956 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3959 #ifdef CONFIG_CURSES
3960 if (display_type
== DT_CURSES
) {
3961 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3967 if (display_type
== DT_NOGRAPHIC
) {
3968 if (default_parallel
)
3969 add_device_config(DEV_PARALLEL
, "null");
3970 if (default_serial
&& default_monitor
) {
3971 add_device_config(DEV_SERIAL
, "mon:stdio");
3972 } else if (default_virtcon
&& default_monitor
) {
3973 add_device_config(DEV_VIRTCON
, "mon:stdio");
3974 } else if (default_sclp
&& default_monitor
) {
3975 add_device_config(DEV_SCLP
, "mon:stdio");
3978 add_device_config(DEV_SERIAL
, "stdio");
3979 if (default_virtcon
)
3980 add_device_config(DEV_VIRTCON
, "stdio");
3982 add_device_config(DEV_SCLP
, "stdio");
3984 if (default_monitor
)
3985 monitor_parse("stdio", "readline");
3989 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3990 if (default_parallel
)
3991 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3992 if (default_monitor
)
3993 monitor_parse("vc:80Cx24C", "readline");
3994 if (default_virtcon
)
3995 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3997 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4001 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4002 #if defined(CONFIG_GTK)
4003 display_type
= DT_GTK
;
4004 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4005 display_type
= DT_SDL
;
4006 #elif defined(CONFIG_VNC)
4007 vnc_display
= "localhost:0,to=99";
4010 display_type
= DT_NONE
;
4014 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4015 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4016 "for SDL, ignoring option\n");
4018 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4019 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4020 "ignoring option\n");
4023 #if defined(CONFIG_GTK)
4024 if (display_type
== DT_GTK
) {
4025 early_gtk_display_init();
4031 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4033 #ifdef CONFIG_VIRTFS
4034 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4041 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4046 /* init the memory */
4047 if (ram_size
== 0) {
4048 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4051 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4056 configure_accelerator();
4059 Error
*local_err
= NULL
;
4060 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4062 error_report("%s", error_get_pretty(local_err
));
4063 error_free(local_err
);
4068 machine_opts
= qemu_get_machine_opts();
4069 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4070 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4071 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4072 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4074 boot_order
= machine
->default_boot_order
;
4075 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4077 char *normal_boot_order
;
4078 const char *order
, *once
;
4080 order
= qemu_opt_get(opts
, "order");
4082 validate_bootdevices(order
);
4086 once
= qemu_opt_get(opts
, "once");
4088 validate_bootdevices(once
);
4089 normal_boot_order
= g_strdup(boot_order
);
4091 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4094 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4095 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4098 if (!kernel_cmdline
) {
4099 kernel_cmdline
= "";
4102 linux_boot
= (kernel_filename
!= NULL
);
4104 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4105 fprintf(stderr
, "-append only allowed with -kernel option\n");
4109 if (!linux_boot
&& initrd_filename
!= NULL
) {
4110 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4114 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4115 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4119 os_set_line_buffering();
4121 qemu_init_cpu_loop();
4122 qemu_mutex_lock_iothread();
4125 /* spice needs the timers to be initialized by this point */
4129 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4130 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4133 configure_icount(icount_option
);
4135 /* clean up network at qemu process termination */
4136 atexit(&net_cleanup
);
4138 if (net_init_clients() < 0) {
4143 if (tpm_init() < 0) {
4148 /* init the bluetooth world */
4149 if (foreach_device_config(DEV_BT
, bt_parse
))
4152 if (!xen_enabled()) {
4153 /* On 32-bit hosts, QEMU is limited by virtual address space */
4154 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4155 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4160 cpu_exec_init_all();
4164 /* open the virtual block devices */
4166 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4167 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4168 &machine
->block_default_type
, 1) != 0) {
4172 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4174 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4175 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4177 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4179 if (nb_numa_nodes
> 0) {
4182 if (nb_numa_nodes
> MAX_NODES
) {
4183 nb_numa_nodes
= MAX_NODES
;
4186 /* If no memory size if given for any node, assume the default case
4187 * and distribute the available memory equally across all nodes
4189 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4190 if (node_mem
[i
] != 0)
4193 if (i
== nb_numa_nodes
) {
4194 uint64_t usedmem
= 0;
4196 /* On Linux, the each node's border has to be 8MB aligned,
4197 * the final node gets the rest.
4199 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4200 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4201 usedmem
+= node_mem
[i
];
4203 node_mem
[i
] = ram_size
- usedmem
;
4206 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4207 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4211 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4212 * must cope with this anyway, because there are BIOSes out there in
4213 * real machines which also use this scheme.
4215 if (i
== nb_numa_nodes
) {
4216 for (i
= 0; i
< max_cpus
; i
++) {
4217 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4222 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4226 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4228 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4230 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4232 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4235 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4238 /* If no default VGA is requested, the default is "none". */
4240 if (cirrus_vga_available()) {
4241 vga_model
= "cirrus";
4242 } else if (vga_available()) {
4246 select_vgahw(vga_model
);
4249 i
= select_watchdog(watchdog
);
4251 exit (i
== 1 ? 1 : 0);
4254 if (machine
->compat_props
) {
4255 qdev_prop_register_global_list(machine
->compat_props
);
4259 qdev_machine_init();
4261 QEMUMachineInitArgs args
= { .machine
= machine
,
4262 .ram_size
= ram_size
,
4263 .boot_order
= boot_order
,
4264 .kernel_filename
= kernel_filename
,
4265 .kernel_cmdline
= kernel_cmdline
,
4266 .initrd_filename
= initrd_filename
,
4267 .cpu_model
= cpu_model
};
4268 machine
->init(&args
);
4272 cpu_synchronize_all_post_init();
4276 current_machine
= machine
;
4278 /* init USB devices */
4279 if (usb_enabled(false)) {
4280 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4284 /* init generic devices */
4285 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4288 net_check_clients();
4290 ds
= init_displaystate();
4292 /* init local displays */
4293 switch (display_type
) {
4295 (void)ds
; /* avoid warning if no display is configured */
4297 #if defined(CONFIG_CURSES)
4299 curses_display_init(ds
, full_screen
);
4302 #if defined(CONFIG_SDL)
4304 sdl_display_init(ds
, full_screen
, no_frame
);
4306 #elif defined(CONFIG_COCOA)
4308 cocoa_display_init(ds
, full_screen
);
4311 #if defined(CONFIG_GTK)
4313 gtk_display_init(ds
, full_screen
);
4320 /* must be after terminal init, SDL library changes signal handlers */
4321 os_setup_signal_handling();
4324 /* init remote displays */
4326 Error
*local_err
= NULL
;
4327 vnc_display_init(ds
);
4328 vnc_display_open(ds
, vnc_display
, &local_err
);
4329 if (local_err
!= NULL
) {
4330 error_report("Failed to start VNC server on `%s': %s",
4331 vnc_display
, error_get_pretty(local_err
));
4332 error_free(local_err
);
4336 if (show_vnc_port
) {
4337 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4343 qemu_spice_display_init();
4347 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4351 qdev_machine_creation_done();
4353 if (rom_load_all() != 0) {
4354 fprintf(stderr
, "rom loading failed\n");
4358 /* TODO: once all bus devices are qdevified, this should be done
4359 * when bus is created by qdev.c */
4360 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4361 qemu_run_machine_init_done_notifiers();
4363 /* Done notifiers can load ROMs */
4366 qemu_system_reset(VMRESET_SILENT
);
4368 if (load_vmstate(loadvm
) < 0) {
4374 Error
*local_err
= NULL
;
4375 qemu_start_incoming_migration(incoming
, &local_err
);
4377 error_report("-incoming %s: %s", incoming
,
4378 error_get_pretty(local_err
));
4379 error_free(local_err
);
4382 } else if (autostart
) {
4388 if (is_daemonized()) {
4389 if (!trace_backend_init(trace_events
, trace_file
)) {