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",
379 .type
= QEMU_OPT_STRING
,
380 .help
= "Specifies the KVM virtualization mode (HV, PR)",
382 { /* End of list */ }
386 static QemuOptsList qemu_boot_opts
= {
388 .implied_opt_name
= "order",
390 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
394 .type
= QEMU_OPT_STRING
,
397 .type
= QEMU_OPT_STRING
,
400 .type
= QEMU_OPT_BOOL
,
403 .type
= QEMU_OPT_STRING
,
405 .name
= "splash-time",
406 .type
= QEMU_OPT_STRING
,
408 .name
= "reboot-timeout",
409 .type
= QEMU_OPT_STRING
,
412 .type
= QEMU_OPT_BOOL
,
418 static QemuOptsList qemu_add_fd_opts
= {
420 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
424 .type
= QEMU_OPT_NUMBER
,
425 .help
= "file descriptor of which a duplicate is added to fd set",
428 .type
= QEMU_OPT_NUMBER
,
429 .help
= "ID of the fd set to add fd to",
432 .type
= QEMU_OPT_STRING
,
433 .help
= "free-form string used to describe fd",
435 { /* end of list */ }
439 static QemuOptsList qemu_object_opts
= {
441 .implied_opt_name
= "qom-type",
442 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
448 static QemuOptsList qemu_tpmdev_opts
= {
450 .implied_opt_name
= "type",
451 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
453 /* options are defined in the TPM backends */
454 { /* end of list */ }
458 static QemuOptsList qemu_realtime_opts
= {
460 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
464 .type
= QEMU_OPT_BOOL
,
466 { /* end of list */ }
470 static QemuOptsList qemu_msg_opts
= {
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
476 .type
= QEMU_OPT_BOOL
,
478 { /* end of list */ }
482 static QemuOptsList qemu_name_opts
= {
484 .implied_opt_name
= "guest",
486 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
490 .type
= QEMU_OPT_STRING
,
491 .help
= "Sets the name of the guest.\n"
492 "This name will be displayed in the SDL window caption.\n"
493 "The name will also be used for the VNC server",
496 .type
= QEMU_OPT_STRING
,
497 .help
= "Sets the name of the QEMU process, as shown in top etc",
499 .name
= "debug-threads",
500 .type
= QEMU_OPT_BOOL
,
501 .help
= "When enabled, name the individual threads; defaults off.\n"
502 "NOTE: The thread names are for debugging and not a\n"
505 { /* End of list */ }
510 * Get machine options
512 * Returns: machine options (never null).
514 QemuOpts
*qemu_get_machine_opts(void)
519 list
= qemu_find_opts("machine");
521 opts
= qemu_opts_find(list
, NULL
);
523 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
528 const char *qemu_get_vm_name(void)
533 static void res_free(void)
535 if (boot_splash_filedata
!= NULL
) {
536 g_free(boot_splash_filedata
);
537 boot_splash_filedata
= NULL
;
541 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
543 const char *driver
= qemu_opt_get(opts
, "driver");
548 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
549 if (strcmp(default_list
[i
].driver
, driver
) != 0)
551 *(default_list
[i
].flag
) = 0;
556 /***********************************************************/
559 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
564 } RunStateTransition
;
566 static const RunStateTransition runstate_transitions_def
[] = {
568 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
569 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
571 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
572 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
574 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
575 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
577 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
578 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
581 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
583 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
584 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
587 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
588 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
590 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
591 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
593 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
595 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
596 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
597 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
598 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
599 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
600 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
601 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
602 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
603 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
604 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
606 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
608 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
609 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
612 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
613 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
614 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
616 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
617 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
619 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
620 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_MAX
, RUN_STATE_MAX
},
625 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
627 bool runstate_check(RunState state
)
629 return current_run_state
== state
;
632 static void runstate_init(void)
634 const RunStateTransition
*p
;
636 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
638 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
639 runstate_valid_transitions
[p
->from
][p
->to
] = true;
643 /* This function will abort() on invalid state transitions */
644 void runstate_set(RunState new_state
)
646 assert(new_state
< RUN_STATE_MAX
);
648 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
649 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
650 RunState_lookup
[current_run_state
],
651 RunState_lookup
[new_state
]);
654 trace_runstate_set(new_state
);
655 current_run_state
= new_state
;
658 int runstate_is_running(void)
660 return runstate_check(RUN_STATE_RUNNING
);
663 bool runstate_needs_reset(void)
665 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
666 runstate_check(RUN_STATE_SHUTDOWN
);
669 StatusInfo
*qmp_query_status(Error
**errp
)
671 StatusInfo
*info
= g_malloc0(sizeof(*info
));
673 info
->running
= runstate_is_running();
674 info
->singlestep
= singlestep
;
675 info
->status
= current_run_state
;
680 /***********************************************************/
681 /* real time host monotonic timer */
683 /***********************************************************/
684 /* host time/date access */
685 void qemu_get_timedate(struct tm
*tm
, int offset
)
691 if (rtc_date_offset
== -1) {
695 localtime_r(&ti
, tm
);
697 ti
-= rtc_date_offset
;
702 int qemu_timedate_diff(struct tm
*tm
)
706 if (rtc_date_offset
== -1)
708 seconds
= mktimegm(tm
);
711 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
712 seconds
= mktime(&tmp
);
715 seconds
= mktimegm(tm
) + rtc_date_offset
;
717 return seconds
- time(NULL
);
720 void rtc_change_mon_event(struct tm
*tm
)
724 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
725 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
726 qobject_decref(data
);
729 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
731 time_t rtc_start_date
;
734 if (!strcmp(startdate
, "now") && legacy
) {
735 rtc_date_offset
= -1;
737 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
745 } else if (sscanf(startdate
, "%d-%d-%d",
757 rtc_start_date
= mktimegm(&tm
);
758 if (rtc_start_date
== -1) {
760 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
761 "'2006-06-17T16:01:21' or '2006-06-17'\n");
764 rtc_date_offset
= time(NULL
) - rtc_start_date
;
768 static void configure_rtc(QemuOpts
*opts
)
772 value
= qemu_opt_get(opts
, "base");
774 if (!strcmp(value
, "utc")) {
776 } else if (!strcmp(value
, "localtime")) {
779 configure_rtc_date_offset(value
, 0);
782 value
= qemu_opt_get(opts
, "clock");
784 if (!strcmp(value
, "host")) {
785 rtc_clock
= QEMU_CLOCK_HOST
;
786 } else if (!strcmp(value
, "rt")) {
787 rtc_clock
= QEMU_CLOCK_REALTIME
;
788 } else if (!strcmp(value
, "vm")) {
789 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
791 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
795 value
= qemu_opt_get(opts
, "driftfix");
797 if (!strcmp(value
, "slew")) {
798 static GlobalProperty slew_lost_ticks
[] = {
800 .driver
= "mc146818rtc",
801 .property
= "lost_tick_policy",
804 { /* end of list */ }
807 qdev_prop_register_global_list(slew_lost_ticks
);
808 } else if (!strcmp(value
, "none")) {
809 /* discard is default */
811 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
817 /***********************************************************/
818 /* Bluetooth support */
821 static struct HCIInfo
*hci_table
[MAX_NICS
];
823 struct HCIInfo
*qemu_next_hci(void)
825 if (cur_hci
== nb_hcis
)
828 return hci_table
[cur_hci
++];
831 static int bt_hci_parse(const char *str
)
836 if (nb_hcis
>= MAX_NICS
) {
837 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
850 bdaddr
.b
[5] = 0x56 + nb_hcis
;
851 hci
->bdaddr_set(hci
, bdaddr
.b
);
853 hci_table
[nb_hcis
++] = hci
;
858 static void bt_vhci_add(int vlan_id
)
860 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
863 fprintf(stderr
, "qemu: warning: adding a VHCI to "
864 "an empty scatternet %i\n", vlan_id
);
866 bt_vhci_init(bt_new_hci(vlan
));
869 static struct bt_device_s
*bt_device_add(const char *opt
)
871 struct bt_scatternet_s
*vlan
;
873 char *endp
= strstr(opt
, ",vlan=");
874 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
877 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
880 vlan_id
= strtol(endp
+ 6, &endp
, 0);
882 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
887 vlan
= qemu_find_bt_vlan(vlan_id
);
890 fprintf(stderr
, "qemu: warning: adding a slave device to "
891 "an empty scatternet %i\n", vlan_id
);
893 if (!strcmp(devname
, "keyboard"))
894 return bt_keyboard_init(vlan
);
896 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
900 static int bt_parse(const char *opt
)
902 const char *endp
, *p
;
905 if (strstart(opt
, "hci", &endp
)) {
906 if (!*endp
|| *endp
== ',') {
908 if (!strstart(endp
, ",vlan=", 0))
911 return bt_hci_parse(opt
);
913 } else if (strstart(opt
, "vhci", &endp
)) {
914 if (!*endp
|| *endp
== ',') {
916 if (strstart(endp
, ",vlan=", &p
)) {
917 vlan
= strtol(p
, (char **) &endp
, 0);
919 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
923 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
932 } else if (strstart(opt
, "device:", &endp
))
933 return !bt_device_add(endp
);
935 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
939 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
941 /* FIXME: change this to true for 1.3 */
942 if (qemu_opt_get_bool(opts
, "enable", false)) {
943 #ifdef CONFIG_SECCOMP
944 if (seccomp_start() < 0) {
945 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
946 "failed to install seccomp syscall filter in the kernel");
950 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
951 "sandboxing request but seccomp is not compiled into this build");
959 static void parse_name(QemuOpts
*opts
)
961 const char *proc_name
;
963 if (qemu_opt_get(opts
, "debug-threads")) {
964 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
966 qemu_name
= qemu_opt_get(opts
, "guest");
968 proc_name
= qemu_opt_get(opts
, "process");
970 os_set_proc_name(proc_name
);
974 bool usb_enabled(bool default_usb
)
976 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
980 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
982 int fd
, dupfd
, flags
;
984 const char *fd_opaque
= NULL
;
986 fd
= qemu_opt_get_number(opts
, "fd", -1);
987 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
988 fd_opaque
= qemu_opt_get(opts
, "opaque");
991 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
992 "fd option is required and must be non-negative");
996 if (fd
<= STDERR_FILENO
) {
997 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
998 "fd cannot be a standard I/O stream");
1003 * All fds inherited across exec() necessarily have FD_CLOEXEC
1004 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1006 flags
= fcntl(fd
, F_GETFD
);
1007 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1008 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1009 "fd is not valid or already in use");
1014 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1015 "set option is required and must be non-negative");
1019 #ifdef F_DUPFD_CLOEXEC
1020 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1024 qemu_set_cloexec(dupfd
);
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1029 "Error duplicating fd: %s", strerror(errno
));
1033 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1034 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1040 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1044 fd
= qemu_opt_get_number(opts
, "fd", -1);
1051 /***********************************************************/
1052 /* QEMU Block devices */
1054 #define HD_OPTS "media=disk"
1055 #define CDROM_OPTS "media=cdrom"
1057 #define PFLASH_OPTS ""
1061 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1063 BlockInterfaceType
*block_default_type
= opaque
;
1065 return drive_init(opts
, *block_default_type
) == NULL
;
1068 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1070 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1071 qemu_opt_set(opts
, "snapshot", "on");
1076 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1077 int index
, const char *optstr
)
1081 if (!enable
|| drive_get_by_index(type
, index
)) {
1085 opts
= drive_add(type
, index
, NULL
, optstr
);
1087 drive_enable_snapshot(opts
, NULL
);
1089 if (!drive_init(opts
, type
)) {
1094 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1096 boot_set_handler
= func
;
1097 boot_set_opaque
= opaque
;
1100 int qemu_boot_set(const char *boot_order
)
1102 if (!boot_set_handler
) {
1105 return boot_set_handler(boot_set_opaque
, boot_order
);
1108 static void validate_bootdevices(const char *devices
)
1110 /* We just do some generic consistency checks */
1114 for (p
= devices
; *p
!= '\0'; p
++) {
1115 /* Allowed boot devices are:
1116 * a-b: floppy disk drives
1117 * c-f: IDE disk drives
1118 * g-m: machine implementation dependent drives
1119 * n-p: network devices
1120 * It's up to each machine implementation to check if the given boot
1121 * devices match the actual hardware implementation and firmware
1124 if (*p
< 'a' || *p
> 'p') {
1125 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1128 if (bitmap
& (1 << (*p
- 'a'))) {
1129 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1132 bitmap
|= 1 << (*p
- 'a');
1136 static void restore_boot_order(void *opaque
)
1138 char *normal_boot_order
= opaque
;
1139 static int first
= 1;
1141 /* Restore boot order and remove ourselves after the first boot */
1147 qemu_boot_set(normal_boot_order
);
1149 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1150 g_free(normal_boot_order
);
1153 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1156 FWBootEntry
*node
, *i
;
1158 if (bootindex
< 0) {
1162 assert(dev
!= NULL
|| suffix
!= NULL
);
1164 node
= g_malloc0(sizeof(FWBootEntry
));
1165 node
->bootindex
= bootindex
;
1166 node
->suffix
= g_strdup(suffix
);
1169 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1170 if (i
->bootindex
== bootindex
) {
1171 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1173 } else if (i
->bootindex
< bootindex
) {
1176 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1179 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1182 DeviceState
*get_boot_device(uint32_t position
)
1184 uint32_t counter
= 0;
1185 FWBootEntry
*i
= NULL
;
1186 DeviceState
*res
= NULL
;
1188 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1189 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1190 if (counter
== position
) {
1201 * This function returns null terminated string that consist of new line
1202 * separated device paths.
1204 * memory pointed by "size" is assigned total length of the array in bytes
1207 char *get_boot_devices_list(size_t *size
)
1213 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1214 char *devpath
= NULL
, *bootpath
;
1218 devpath
= qdev_get_fw_dev_path(i
->dev
);
1222 if (i
->suffix
&& devpath
) {
1223 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1225 bootpath
= g_malloc(bootpathlen
);
1226 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1228 } else if (devpath
) {
1232 bootpath
= g_strdup(i
->suffix
);
1236 list
[total
-1] = '\n';
1238 len
= strlen(bootpath
) + 1;
1239 list
= g_realloc(list
, total
+ len
);
1240 memcpy(&list
[total
], bootpath
, len
);
1247 if (boot_strict
&& *size
> 0) {
1248 list
[total
-1] = '\n';
1249 list
= g_realloc(list
, total
+ 5);
1250 memcpy(&list
[total
], "HALT", 5);
1256 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1259 unsigned long long value
, endvalue
;
1261 /* Empty CPU range strings will be considered valid, they will simply
1262 * not set any bit in the CPU bitmap.
1268 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1271 if (*endptr
== '-') {
1272 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1275 } else if (*endptr
== '\0') {
1281 if (endvalue
>= MAX_CPUMASK_BITS
) {
1282 endvalue
= MAX_CPUMASK_BITS
- 1;
1284 "qemu: NUMA: A max of %d VCPUs are supported\n",
1288 if (endvalue
< value
) {
1292 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1296 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1300 static void numa_add(const char *optarg
)
1304 unsigned long long nodenr
;
1306 optarg
= get_opt_name(option
, 128, optarg
, ',');
1307 if (*optarg
== ',') {
1310 if (!strcmp(option
, "node")) {
1312 if (nb_numa_nodes
>= MAX_NODES
) {
1313 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1317 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1318 nodenr
= nb_numa_nodes
;
1320 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1321 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1326 if (nodenr
>= MAX_NODES
) {
1327 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1331 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1332 node_mem
[nodenr
] = 0;
1335 sval
= strtosz(option
, &endptr
);
1336 if (sval
< 0 || *endptr
) {
1337 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1340 node_mem
[nodenr
] = sval
;
1342 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1343 numa_node_parse_cpus(nodenr
, option
);
1347 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1352 static QemuOptsList qemu_smp_opts
= {
1354 .implied_opt_name
= "cpus",
1355 .merge_lists
= true,
1356 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1360 .type
= QEMU_OPT_NUMBER
,
1363 .type
= QEMU_OPT_NUMBER
,
1366 .type
= QEMU_OPT_NUMBER
,
1369 .type
= QEMU_OPT_NUMBER
,
1372 .type
= QEMU_OPT_NUMBER
,
1374 { /*End of list */ }
1378 static void smp_parse(QemuOpts
*opts
)
1382 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1383 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1384 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1385 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1387 /* compute missing values, prefer sockets over cores over threads */
1388 if (cpus
== 0 || sockets
== 0) {
1389 sockets
= sockets
> 0 ? sockets
: 1;
1390 cores
= cores
> 0 ? cores
: 1;
1391 threads
= threads
> 0 ? threads
: 1;
1393 cpus
= cores
* threads
* sockets
;
1397 threads
= threads
> 0 ? threads
: 1;
1398 cores
= cpus
/ (sockets
* threads
);
1400 threads
= cpus
/ (cores
* sockets
);
1404 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1407 smp_cores
= cores
> 0 ? cores
: 1;
1408 smp_threads
= threads
> 0 ? threads
: 1;
1412 if (max_cpus
== 0) {
1413 max_cpus
= smp_cpus
;
1416 if (max_cpus
> 255) {
1417 fprintf(stderr
, "Unsupported number of maxcpus\n");
1420 if (max_cpus
< smp_cpus
) {
1421 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1427 static void configure_realtime(QemuOpts
*opts
)
1431 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1434 if (os_mlock() < 0) {
1435 fprintf(stderr
, "qemu: locking memory failed\n");
1442 static void configure_msg(QemuOpts
*opts
)
1444 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1447 /***********************************************************/
1450 static int usb_device_add(const char *devname
)
1452 USBDevice
*dev
= NULL
;
1453 #ifndef CONFIG_LINUX
1457 if (!usb_enabled(false)) {
1461 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1462 dev
= usbdevice_create(devname
);
1466 /* the other ones */
1467 #ifndef CONFIG_LINUX
1468 /* only the linux version is qdev-ified, usb-bsd still needs this */
1469 if (strstart(devname
, "host:", &p
)) {
1470 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1480 static int usb_device_del(const char *devname
)
1485 if (strstart(devname
, "host:", &p
)) {
1489 if (!usb_enabled(false)) {
1493 p
= strchr(devname
, '.');
1496 bus_num
= strtoul(devname
, NULL
, 0);
1497 addr
= strtoul(p
+ 1, NULL
, 0);
1499 return usb_device_delete_addr(bus_num
, addr
);
1502 static int usb_parse(const char *cmdline
)
1505 r
= usb_device_add(cmdline
);
1507 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1512 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1514 const char *devname
= qdict_get_str(qdict
, "devname");
1515 if (usb_device_add(devname
) < 0) {
1516 error_report("could not add USB device '%s'", devname
);
1520 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1522 const char *devname
= qdict_get_str(qdict
, "devname");
1523 if (usb_device_del(devname
) < 0) {
1524 error_report("could not delete USB device '%s'", devname
);
1528 /***********************************************************/
1529 /* PCMCIA/Cardbus */
1531 static struct pcmcia_socket_entry_s
{
1532 PCMCIASocket
*socket
;
1533 struct pcmcia_socket_entry_s
*next
;
1534 } *pcmcia_sockets
= 0;
1536 void pcmcia_socket_register(PCMCIASocket
*socket
)
1538 struct pcmcia_socket_entry_s
*entry
;
1540 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1541 entry
->socket
= socket
;
1542 entry
->next
= pcmcia_sockets
;
1543 pcmcia_sockets
= entry
;
1546 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1548 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1550 ptr
= &pcmcia_sockets
;
1551 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1552 if (entry
->socket
== socket
) {
1558 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1560 struct pcmcia_socket_entry_s
*iter
;
1562 if (!pcmcia_sockets
)
1563 monitor_printf(mon
, "No PCMCIA sockets\n");
1565 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1566 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1567 iter
->socket
->attached
? iter
->socket
->card_string
:
1571 /***********************************************************/
1572 /* machine registration */
1574 QEMUMachine
*current_machine
= NULL
;
1576 static void machine_class_init(ObjectClass
*oc
, void *data
)
1578 MachineClass
*mc
= MACHINE_CLASS(oc
);
1580 mc
->qemu_machine
= data
;
1583 int qemu_register_machine(QEMUMachine
*m
)
1586 .name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
),
1587 .parent
= TYPE_MACHINE
,
1588 .class_init
= machine_class_init
,
1589 .class_data
= (void *)m
,
1597 static QEMUMachine
*find_machine(const char *name
)
1599 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1600 QEMUMachine
*m
= NULL
;
1602 for (el
= machines
; el
; el
= el
->next
) {
1603 MachineClass
*mc
= el
->data
;
1605 if (!strcmp(mc
->qemu_machine
->name
, name
)) {
1606 m
= mc
->qemu_machine
;
1609 if (mc
->qemu_machine
->alias
&& !strcmp(mc
->qemu_machine
->alias
, name
)) {
1610 m
= mc
->qemu_machine
;
1615 g_slist_free(machines
);
1619 QEMUMachine
*find_default_machine(void)
1621 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1622 QEMUMachine
*m
= NULL
;
1624 for (el
= machines
; el
; el
= el
->next
) {
1625 MachineClass
*mc
= el
->data
;
1627 if (mc
->qemu_machine
->is_default
) {
1628 m
= mc
->qemu_machine
;
1633 g_slist_free(machines
);
1637 MachineInfoList
*qmp_query_machines(Error
**errp
)
1639 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1640 MachineInfoList
*mach_list
= NULL
;
1643 for (el
= machines
; el
; el
= el
->next
) {
1644 MachineClass
*mc
= el
->data
;
1645 MachineInfoList
*entry
;
1648 m
= mc
->qemu_machine
;
1649 info
= g_malloc0(sizeof(*info
));
1650 if (m
->is_default
) {
1651 info
->has_is_default
= true;
1652 info
->is_default
= true;
1656 info
->has_alias
= true;
1657 info
->alias
= g_strdup(m
->alias
);
1660 info
->name
= g_strdup(m
->name
);
1661 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1663 entry
= g_malloc0(sizeof(*entry
));
1664 entry
->value
= info
;
1665 entry
->next
= mach_list
;
1669 g_slist_free(machines
);
1673 /***********************************************************/
1674 /* main execution loop */
1676 struct vm_change_state_entry
{
1677 VMChangeStateHandler
*cb
;
1679 QLIST_ENTRY (vm_change_state_entry
) entries
;
1682 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1684 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1687 VMChangeStateEntry
*e
;
1689 e
= g_malloc0(sizeof (*e
));
1693 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1697 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1699 QLIST_REMOVE (e
, entries
);
1703 void vm_state_notify(int running
, RunState state
)
1705 VMChangeStateEntry
*e
;
1707 trace_vm_state_notify(running
, state
);
1709 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1710 e
->cb(e
->opaque
, running
, state
);
1716 if (!runstate_is_running()) {
1718 runstate_set(RUN_STATE_RUNNING
);
1719 vm_state_notify(1, RUN_STATE_RUNNING
);
1721 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1725 /* reset/shutdown handler */
1727 typedef struct QEMUResetEntry
{
1728 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1729 QEMUResetHandler
*func
;
1733 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1734 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1735 static int reset_requested
;
1736 static int shutdown_requested
, shutdown_signal
= -1;
1737 static pid_t shutdown_pid
;
1738 static int powerdown_requested
;
1739 static int debug_requested
;
1740 static int suspend_requested
;
1741 static WakeupReason wakeup_reason
;
1742 static NotifierList powerdown_notifiers
=
1743 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1744 static NotifierList suspend_notifiers
=
1745 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1746 static NotifierList wakeup_notifiers
=
1747 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1748 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1749 static RunState vmstop_requested
= RUN_STATE_MAX
;
1751 int qemu_shutdown_requested_get(void)
1753 return shutdown_requested
;
1756 int qemu_reset_requested_get(void)
1758 return reset_requested
;
1761 static int qemu_shutdown_requested(void)
1763 int r
= shutdown_requested
;
1764 shutdown_requested
= 0;
1768 static void qemu_kill_report(void)
1770 if (!qtest_driver() && shutdown_signal
!= -1) {
1771 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1772 if (shutdown_pid
== 0) {
1773 /* This happens for eg ^C at the terminal, so it's worth
1774 * avoiding printing an odd message in that case.
1776 fputc('\n', stderr
);
1778 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1780 shutdown_signal
= -1;
1784 static int qemu_reset_requested(void)
1786 int r
= reset_requested
;
1787 reset_requested
= 0;
1791 static int qemu_suspend_requested(void)
1793 int r
= suspend_requested
;
1794 suspend_requested
= 0;
1798 static WakeupReason
qemu_wakeup_requested(void)
1800 return wakeup_reason
;
1803 static int qemu_powerdown_requested(void)
1805 int r
= powerdown_requested
;
1806 powerdown_requested
= 0;
1810 static int qemu_debug_requested(void)
1812 int r
= debug_requested
;
1813 debug_requested
= 0;
1817 /* We use RUN_STATE_MAX but any invalid value will do */
1818 static bool qemu_vmstop_requested(RunState
*r
)
1820 if (vmstop_requested
< RUN_STATE_MAX
) {
1821 *r
= vmstop_requested
;
1822 vmstop_requested
= RUN_STATE_MAX
;
1829 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1831 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1834 re
->opaque
= opaque
;
1835 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1838 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1842 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1843 if (re
->func
== func
&& re
->opaque
== opaque
) {
1844 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1851 void qemu_devices_reset(void)
1853 QEMUResetEntry
*re
, *nre
;
1855 /* reset all devices */
1856 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1857 re
->func(re
->opaque
);
1861 void qemu_system_reset(bool report
)
1863 if (current_machine
&& current_machine
->reset
) {
1864 current_machine
->reset();
1866 qemu_devices_reset();
1869 monitor_protocol_event(QEVENT_RESET
, NULL
);
1871 cpu_synchronize_all_post_reset();
1874 void qemu_system_reset_request(void)
1877 shutdown_requested
= 1;
1879 reset_requested
= 1;
1882 qemu_notify_event();
1885 static void qemu_system_suspend(void)
1888 notifier_list_notify(&suspend_notifiers
, NULL
);
1889 runstate_set(RUN_STATE_SUSPENDED
);
1890 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1893 void qemu_system_suspend_request(void)
1895 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1898 suspend_requested
= 1;
1900 qemu_notify_event();
1903 void qemu_register_suspend_notifier(Notifier
*notifier
)
1905 notifier_list_add(&suspend_notifiers
, notifier
);
1908 void qemu_system_wakeup_request(WakeupReason reason
)
1910 trace_system_wakeup_request(reason
);
1912 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1915 if (!(wakeup_reason_mask
& (1 << reason
))) {
1918 runstate_set(RUN_STATE_RUNNING
);
1919 wakeup_reason
= reason
;
1920 qemu_notify_event();
1923 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1926 wakeup_reason_mask
|= (1 << reason
);
1928 wakeup_reason_mask
&= ~(1 << reason
);
1932 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1934 notifier_list_add(&wakeup_notifiers
, notifier
);
1937 void qemu_system_killed(int signal
, pid_t pid
)
1939 shutdown_signal
= signal
;
1942 qemu_system_shutdown_request();
1945 void qemu_system_shutdown_request(void)
1947 shutdown_requested
= 1;
1948 qemu_notify_event();
1951 static void qemu_system_powerdown(void)
1953 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1954 notifier_list_notify(&powerdown_notifiers
, NULL
);
1957 void qemu_system_powerdown_request(void)
1959 powerdown_requested
= 1;
1960 qemu_notify_event();
1963 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1965 notifier_list_add(&powerdown_notifiers
, notifier
);
1968 void qemu_system_debug_request(void)
1970 debug_requested
= 1;
1971 qemu_notify_event();
1974 void qemu_system_vmstop_request(RunState state
)
1976 vmstop_requested
= state
;
1977 qemu_notify_event();
1980 static bool main_loop_should_exit(void)
1983 if (qemu_debug_requested()) {
1984 vm_stop(RUN_STATE_DEBUG
);
1986 if (qemu_suspend_requested()) {
1987 qemu_system_suspend();
1989 if (qemu_shutdown_requested()) {
1991 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1993 vm_stop(RUN_STATE_SHUTDOWN
);
1998 if (qemu_reset_requested()) {
2000 cpu_synchronize_all_states();
2001 qemu_system_reset(VMRESET_REPORT
);
2003 if (runstate_needs_reset()) {
2004 runstate_set(RUN_STATE_PAUSED
);
2007 if (qemu_wakeup_requested()) {
2009 cpu_synchronize_all_states();
2010 qemu_system_reset(VMRESET_SILENT
);
2011 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2012 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2014 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2016 if (qemu_powerdown_requested()) {
2017 qemu_system_powerdown();
2019 if (qemu_vmstop_requested(&r
)) {
2025 static void main_loop(void)
2029 #ifdef CONFIG_PROFILER
2033 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2034 #ifdef CONFIG_PROFILER
2035 ti
= profile_getclock();
2037 last_io
= main_loop_wait(nonblocking
);
2038 #ifdef CONFIG_PROFILER
2039 dev_time
+= profile_getclock() - ti
;
2041 } while (!main_loop_should_exit());
2044 static void version(void)
2046 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2049 static void help(int exitcode
)
2052 printf("usage: %s [options] [disk_image]\n\n"
2053 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2054 error_get_progname());
2056 #define QEMU_OPTIONS_GENERATE_HELP
2057 #include "qemu-options-wrapper.h"
2059 printf("\nDuring emulation, the following keys are useful:\n"
2060 "ctrl-alt-f toggle full screen\n"
2061 "ctrl-alt-n switch to virtual console 'n'\n"
2062 "ctrl-alt toggle mouse and keyboard grab\n"
2064 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2069 #define HAS_ARG 0x0001
2071 typedef struct QEMUOption
{
2078 static const QEMUOption qemu_options
[] = {
2079 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2080 #define QEMU_OPTIONS_GENERATE_OPTIONS
2081 #include "qemu-options-wrapper.h"
2085 static bool vga_available(void)
2087 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2090 static bool cirrus_vga_available(void)
2092 return object_class_by_name("cirrus-vga")
2093 || object_class_by_name("isa-cirrus-vga");
2096 static bool vmware_vga_available(void)
2098 return object_class_by_name("vmware-svga");
2101 static bool qxl_vga_available(void)
2103 return object_class_by_name("qxl-vga");
2106 static bool tcx_vga_available(void)
2108 return object_class_by_name("SUNW,tcx");
2111 static bool cg3_vga_available(void)
2113 return object_class_by_name("cgthree");
2116 static void select_vgahw (const char *p
)
2120 vga_interface_type
= VGA_NONE
;
2121 if (strstart(p
, "std", &opts
)) {
2122 if (vga_available()) {
2123 vga_interface_type
= VGA_STD
;
2125 fprintf(stderr
, "Error: standard VGA not available\n");
2128 } else if (strstart(p
, "cirrus", &opts
)) {
2129 if (cirrus_vga_available()) {
2130 vga_interface_type
= VGA_CIRRUS
;
2132 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2135 } else if (strstart(p
, "vmware", &opts
)) {
2136 if (vmware_vga_available()) {
2137 vga_interface_type
= VGA_VMWARE
;
2139 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2142 } else if (strstart(p
, "xenfb", &opts
)) {
2143 vga_interface_type
= VGA_XENFB
;
2144 } else if (strstart(p
, "qxl", &opts
)) {
2145 if (qxl_vga_available()) {
2146 vga_interface_type
= VGA_QXL
;
2148 fprintf(stderr
, "Error: QXL VGA not available\n");
2151 } else if (strstart(p
, "tcx", &opts
)) {
2152 if (tcx_vga_available()) {
2153 vga_interface_type
= VGA_TCX
;
2155 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2158 } else if (strstart(p
, "cg3", &opts
)) {
2159 if (cg3_vga_available()) {
2160 vga_interface_type
= VGA_CG3
;
2162 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2165 } else if (!strstart(p
, "none", &opts
)) {
2167 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2171 const char *nextopt
;
2173 if (strstart(opts
, ",retrace=", &nextopt
)) {
2175 if (strstart(opts
, "dumb", &nextopt
))
2176 vga_retrace_method
= VGA_RETRACE_DUMB
;
2177 else if (strstart(opts
, "precise", &nextopt
))
2178 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2179 else goto invalid_vga
;
2180 } else goto invalid_vga
;
2185 static DisplayType
select_display(const char *p
)
2188 DisplayType display
= DT_DEFAULT
;
2190 if (strstart(p
, "sdl", &opts
)) {
2194 const char *nextopt
;
2196 if (strstart(opts
, ",frame=", &nextopt
)) {
2198 if (strstart(opts
, "on", &nextopt
)) {
2200 } else if (strstart(opts
, "off", &nextopt
)) {
2203 goto invalid_sdl_args
;
2205 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2207 if (strstart(opts
, "on", &nextopt
)) {
2209 } else if (strstart(opts
, "off", &nextopt
)) {
2212 goto invalid_sdl_args
;
2214 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2216 if (strstart(opts
, "on", &nextopt
)) {
2218 } else if (strstart(opts
, "off", &nextopt
)) {
2221 goto invalid_sdl_args
;
2223 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2225 if (strstart(opts
, "on", &nextopt
)) {
2227 } else if (strstart(opts
, "off", &nextopt
)) {
2230 goto invalid_sdl_args
;
2234 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2240 fprintf(stderr
, "SDL support is disabled\n");
2243 } else if (strstart(p
, "vnc", &opts
)) {
2248 const char *nextopt
;
2250 if (strstart(opts
, "=", &nextopt
)) {
2251 vnc_display
= nextopt
;
2255 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2259 fprintf(stderr
, "VNC support is disabled\n");
2262 } else if (strstart(p
, "curses", &opts
)) {
2263 #ifdef CONFIG_CURSES
2264 display
= DT_CURSES
;
2266 fprintf(stderr
, "Curses support is disabled\n");
2269 } else if (strstart(p
, "gtk", &opts
)) {
2273 fprintf(stderr
, "GTK support is disabled\n");
2276 } else if (strstart(p
, "none", &opts
)) {
2279 fprintf(stderr
, "Unknown display type: %s\n", p
);
2286 static int balloon_parse(const char *arg
)
2290 if (strcmp(arg
, "none") == 0) {
2294 if (!strncmp(arg
, "virtio", 6)) {
2295 if (arg
[6] == ',') {
2296 /* have params -> parse them */
2297 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2301 /* create empty opts */
2302 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2305 qemu_opt_set(opts
, "driver", "virtio-balloon");
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
);
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
;
2639 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2642 machine
= find_machine(name
);
2647 printf("Supported machines are:\n");
2648 for (el
= machines
; el
; el
= el
->next
) {
2649 MachineClass
*mc
= el
->data
;
2650 m
= mc
->qemu_machine
;
2652 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2654 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2655 m
->is_default
? " (default)" : "");
2658 g_slist_free(machines
);
2659 exit(!name
|| !is_help_option(name
));
2662 static int tcg_init(QEMUMachine
*machine
)
2664 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2669 const char *opt_name
;
2671 int (*available
)(void);
2672 int (*init
)(QEMUMachine
*);
2675 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2676 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2677 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2678 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2681 static int configure_accelerator(QEMUMachine
*machine
)
2686 bool accel_initialised
= false;
2687 bool init_failed
= false;
2689 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2691 /* Use the default "accelerator", tcg */
2695 while (!accel_initialised
&& *p
!= '\0') {
2699 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2700 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2701 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2702 if (!accel_list
[i
].available()) {
2703 printf("%s not supported for this target\n",
2704 accel_list
[i
].name
);
2707 *(accel_list
[i
].allowed
) = true;
2708 ret
= accel_list
[i
].init(machine
);
2711 fprintf(stderr
, "failed to initialize %s: %s\n",
2714 *(accel_list
[i
].allowed
) = false;
2716 accel_initialised
= true;
2721 if (i
== ARRAY_SIZE(accel_list
)) {
2722 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2726 if (!accel_initialised
) {
2728 fprintf(stderr
, "No accelerator found!\n");
2734 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2737 return !accel_initialised
;
2740 void qemu_add_exit_notifier(Notifier
*notify
)
2742 notifier_list_add(&exit_notifiers
, notify
);
2745 void qemu_remove_exit_notifier(Notifier
*notify
)
2747 notifier_remove(notify
);
2750 static void qemu_run_exit_notifiers(void)
2752 notifier_list_notify(&exit_notifiers
, NULL
);
2755 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2757 notifier_list_add(&machine_init_done_notifiers
, notify
);
2760 static void qemu_run_machine_init_done_notifiers(void)
2762 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2765 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2766 const char **poptarg
, int *poptind
)
2768 const QEMUOption
*popt
;
2769 int optind
= *poptind
;
2770 char *r
= argv
[optind
];
2773 loc_set_cmdline(argv
, optind
, 1);
2775 /* Treat --foo the same as -foo. */
2778 popt
= qemu_options
;
2781 error_report("invalid option");
2784 if (!strcmp(popt
->name
, r
+ 1))
2788 if (popt
->flags
& HAS_ARG
) {
2789 if (optind
>= argc
) {
2790 error_report("requires an argument");
2793 optarg
= argv
[optind
++];
2794 loc_set_cmdline(argv
, optind
- 2, 2);
2805 static gpointer
malloc_and_trace(gsize n_bytes
)
2807 void *ptr
= malloc(n_bytes
);
2808 trace_g_malloc(n_bytes
, ptr
);
2812 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2814 void *ptr
= realloc(mem
, n_bytes
);
2815 trace_g_realloc(mem
, n_bytes
, ptr
);
2819 static void free_and_trace(gpointer mem
)
2825 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2827 Object
*obj
= OBJECT(opaque
);
2828 StringInputVisitor
*siv
;
2829 Error
*local_err
= NULL
;
2831 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2835 siv
= string_input_visitor_new(value
);
2836 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2837 string_input_visitor_cleanup(siv
);
2840 qerror_report_err(local_err
);
2841 error_free(local_err
);
2848 static int object_create(QemuOpts
*opts
, void *opaque
)
2850 const char *type
= qemu_opt_get(opts
, "qom-type");
2851 const char *id
= qemu_opts_id(opts
);
2852 Error
*local_err
= NULL
;
2855 g_assert(type
!= NULL
);
2858 qerror_report(QERR_MISSING_PARAMETER
, "id");
2862 obj
= object_new(type
);
2863 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2868 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2869 error_setg(&local_err
, "object '%s' isn't supported by -object",
2874 user_creatable_complete(obj
, &local_err
);
2879 object_property_add_child(container_get(object_get_root(), "/objects"),
2880 id
, obj
, &local_err
);
2885 qerror_report_err(local_err
);
2886 error_free(local_err
);
2892 int main(int argc
, char **argv
, char **envp
)
2895 int snapshot
, linux_boot
;
2896 const char *icount_option
= NULL
;
2897 const char *initrd_filename
;
2898 const char *kernel_filename
, *kernel_cmdline
;
2899 const char *boot_order
;
2901 int cyls
, heads
, secs
, translation
;
2902 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2903 QemuOptsList
*olist
;
2906 const char *loadvm
= NULL
;
2907 QEMUMachine
*machine
;
2908 const char *cpu_model
;
2909 const char *vga_model
= "none";
2910 const char *qtest_chrdev
= NULL
;
2911 const char *qtest_log
= NULL
;
2912 const char *pid_file
= NULL
;
2913 const char *incoming
= NULL
;
2915 int show_vnc_port
= 0;
2917 bool defconfig
= true;
2918 bool userconfig
= true;
2919 const char *log_mask
= NULL
;
2920 const char *log_file
= NULL
;
2921 GMemVTable mem_trace
= {
2922 .malloc
= malloc_and_trace
,
2923 .realloc
= realloc_and_trace
,
2924 .free
= free_and_trace
,
2926 const char *trace_events
= NULL
;
2927 const char *trace_file
= NULL
;
2929 atexit(qemu_run_exit_notifiers
);
2930 error_set_progname(argv
[0]);
2931 qemu_init_exec_dir(argv
[0]);
2933 g_mem_set_vtable(&mem_trace
);
2934 if (!g_thread_supported()) {
2935 #if !GLIB_CHECK_VERSION(2, 31, 0)
2936 g_thread_init(NULL
);
2938 fprintf(stderr
, "glib threading failed to initialize.\n");
2943 module_call_init(MODULE_INIT_QOM
);
2945 qemu_add_opts(&qemu_drive_opts
);
2946 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2947 qemu_add_drive_opts(&qemu_common_drive_opts
);
2948 qemu_add_drive_opts(&qemu_drive_opts
);
2949 qemu_add_opts(&qemu_chardev_opts
);
2950 qemu_add_opts(&qemu_device_opts
);
2951 qemu_add_opts(&qemu_netdev_opts
);
2952 qemu_add_opts(&qemu_net_opts
);
2953 qemu_add_opts(&qemu_rtc_opts
);
2954 qemu_add_opts(&qemu_global_opts
);
2955 qemu_add_opts(&qemu_mon_opts
);
2956 qemu_add_opts(&qemu_trace_opts
);
2957 qemu_add_opts(&qemu_option_rom_opts
);
2958 qemu_add_opts(&qemu_machine_opts
);
2959 qemu_add_opts(&qemu_smp_opts
);
2960 qemu_add_opts(&qemu_boot_opts
);
2961 qemu_add_opts(&qemu_sandbox_opts
);
2962 qemu_add_opts(&qemu_add_fd_opts
);
2963 qemu_add_opts(&qemu_object_opts
);
2964 qemu_add_opts(&qemu_tpmdev_opts
);
2965 qemu_add_opts(&qemu_realtime_opts
);
2966 qemu_add_opts(&qemu_msg_opts
);
2967 qemu_add_opts(&qemu_name_opts
);
2972 rtc_clock
= QEMU_CLOCK_HOST
;
2974 qemu_init_auxval(envp
);
2975 qemu_cache_utils_init();
2977 QLIST_INIT (&vm_change_state_head
);
2978 os_setup_early_signal_handling();
2980 module_call_init(MODULE_INIT_MACHINE
);
2981 machine
= find_default_machine();
2985 cyls
= heads
= secs
= 0;
2986 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2988 for (i
= 0; i
< MAX_NODES
; i
++) {
2990 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2996 bdrv_init_with_whitelist();
3000 /* first pass of option parsing */
3002 while (optind
< argc
) {
3003 if (argv
[optind
][0] != '-') {
3008 const QEMUOption
*popt
;
3010 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3011 switch (popt
->index
) {
3012 case QEMU_OPTION_nodefconfig
:
3015 case QEMU_OPTION_nouserconfig
:
3024 ret
= qemu_read_default_config_files(userconfig
);
3030 /* second pass of option parsing */
3035 if (argv
[optind
][0] != '-') {
3036 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3038 const QEMUOption
*popt
;
3040 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3041 if (!(popt
->arch_mask
& arch_type
)) {
3042 printf("Option %s not supported for this target\n", popt
->name
);
3045 switch(popt
->index
) {
3047 machine
= machine_parse(optarg
);
3049 case QEMU_OPTION_no_kvm_irqchip
: {
3050 olist
= qemu_find_opts("machine");
3051 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3054 case QEMU_OPTION_cpu
:
3055 /* hw initialization will check this */
3058 case QEMU_OPTION_hda
:
3062 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3064 snprintf(buf
, sizeof(buf
),
3065 "%s,cyls=%d,heads=%d,secs=%d%s",
3066 HD_OPTS
, cyls
, heads
, secs
,
3067 translation
== BIOS_ATA_TRANSLATION_LBA
?
3069 translation
== BIOS_ATA_TRANSLATION_NONE
?
3070 ",trans=none" : "");
3071 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3074 case QEMU_OPTION_hdb
:
3075 case QEMU_OPTION_hdc
:
3076 case QEMU_OPTION_hdd
:
3077 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3080 case QEMU_OPTION_drive
:
3081 if (drive_def(optarg
) == NULL
) {
3085 case QEMU_OPTION_set
:
3086 if (qemu_set_option(optarg
) != 0)
3089 case QEMU_OPTION_global
:
3090 if (qemu_global_option(optarg
) != 0)
3093 case QEMU_OPTION_mtdblock
:
3094 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3096 case QEMU_OPTION_sd
:
3097 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3099 case QEMU_OPTION_pflash
:
3100 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3102 case QEMU_OPTION_snapshot
:
3105 case QEMU_OPTION_hdachs
:
3109 cyls
= strtol(p
, (char **)&p
, 0);
3110 if (cyls
< 1 || cyls
> 16383)
3115 heads
= strtol(p
, (char **)&p
, 0);
3116 if (heads
< 1 || heads
> 16)
3121 secs
= strtol(p
, (char **)&p
, 0);
3122 if (secs
< 1 || secs
> 63)
3126 if (!strcmp(p
, "large")) {
3127 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3128 } else if (!strcmp(p
, "rechs")) {
3129 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3130 } else if (!strcmp(p
, "none")) {
3131 translation
= BIOS_ATA_TRANSLATION_NONE
;
3132 } else if (!strcmp(p
, "lba")) {
3133 translation
= BIOS_ATA_TRANSLATION_LBA
;
3134 } else if (!strcmp(p
, "auto")) {
3135 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3139 } else if (*p
!= '\0') {
3141 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3144 if (hda_opts
!= NULL
) {
3146 snprintf(num
, sizeof(num
), "%d", cyls
);
3147 qemu_opt_set(hda_opts
, "cyls", num
);
3148 snprintf(num
, sizeof(num
), "%d", heads
);
3149 qemu_opt_set(hda_opts
, "heads", num
);
3150 snprintf(num
, sizeof(num
), "%d", secs
);
3151 qemu_opt_set(hda_opts
, "secs", num
);
3152 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3153 qemu_opt_set(hda_opts
, "trans", "large");
3154 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3155 qemu_opt_set(hda_opts
, "trans", "rechs");
3156 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3157 qemu_opt_set(hda_opts
, "trans", "lba");
3158 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3159 qemu_opt_set(hda_opts
, "trans", "none");
3164 case QEMU_OPTION_numa
:
3167 case QEMU_OPTION_display
:
3168 display_type
= select_display(optarg
);
3170 case QEMU_OPTION_nographic
:
3171 display_type
= DT_NOGRAPHIC
;
3173 case QEMU_OPTION_curses
:
3174 #ifdef CONFIG_CURSES
3175 display_type
= DT_CURSES
;
3177 fprintf(stderr
, "Curses support is disabled\n");
3181 case QEMU_OPTION_portrait
:
3182 graphic_rotate
= 90;
3184 case QEMU_OPTION_rotate
:
3185 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3186 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3187 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3189 "qemu: only 90, 180, 270 deg rotation is available\n");
3193 case QEMU_OPTION_kernel
:
3194 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3196 case QEMU_OPTION_initrd
:
3197 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3199 case QEMU_OPTION_append
:
3200 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3202 case QEMU_OPTION_dtb
:
3203 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3205 case QEMU_OPTION_cdrom
:
3206 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3208 case QEMU_OPTION_boot
:
3209 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3214 case QEMU_OPTION_fda
:
3215 case QEMU_OPTION_fdb
:
3216 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3219 case QEMU_OPTION_no_fd_bootchk
:
3222 case QEMU_OPTION_netdev
:
3223 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3227 case QEMU_OPTION_net
:
3228 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3232 #ifdef CONFIG_LIBISCSI
3233 case QEMU_OPTION_iscsi
:
3234 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3241 case QEMU_OPTION_tftp
:
3242 legacy_tftp_prefix
= optarg
;
3244 case QEMU_OPTION_bootp
:
3245 legacy_bootp_filename
= optarg
;
3247 case QEMU_OPTION_redir
:
3248 if (net_slirp_redir(optarg
) < 0)
3252 case QEMU_OPTION_bt
:
3253 add_device_config(DEV_BT
, optarg
);
3255 case QEMU_OPTION_audio_help
:
3259 case QEMU_OPTION_soundhw
:
3260 select_soundhw (optarg
);
3265 case QEMU_OPTION_version
:
3269 case QEMU_OPTION_m
: {
3274 value
= strtosz(optarg
, &end
);
3275 if (value
< 0 || *end
) {
3276 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3279 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3281 if (ram_size
!= sz
) {
3282 fprintf(stderr
, "qemu: ram size too large\n");
3288 case QEMU_OPTION_tpmdev
:
3289 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3294 case QEMU_OPTION_mempath
:
3297 case QEMU_OPTION_mem_prealloc
:
3307 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3309 case QEMU_OPTION_gdb
:
3310 add_device_config(DEV_GDB
, optarg
);
3313 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3314 data_dir
[data_dir_idx
++] = optarg
;
3317 case QEMU_OPTION_bios
:
3318 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3320 case QEMU_OPTION_singlestep
:
3327 keyboard_layout
= optarg
;
3329 case QEMU_OPTION_localtime
:
3332 case QEMU_OPTION_vga
:
3341 w
= strtol(p
, (char **)&p
, 10);
3344 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3350 h
= strtol(p
, (char **)&p
, 10);
3355 depth
= strtol(p
, (char **)&p
, 10);
3356 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3357 depth
!= 24 && depth
!= 32)
3359 } else if (*p
== '\0') {
3360 depth
= graphic_depth
;
3367 graphic_depth
= depth
;
3370 case QEMU_OPTION_echr
:
3373 term_escape_char
= strtol(optarg
, &r
, 0);
3375 printf("Bad argument to echr\n");
3378 case QEMU_OPTION_monitor
:
3379 default_monitor
= 0;
3380 if (strncmp(optarg
, "none", 4)) {
3381 monitor_parse(optarg
, "readline");
3384 case QEMU_OPTION_qmp
:
3385 monitor_parse(optarg
, "control");
3386 default_monitor
= 0;
3388 case QEMU_OPTION_mon
:
3389 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3393 default_monitor
= 0;
3395 case QEMU_OPTION_chardev
:
3396 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3401 case QEMU_OPTION_fsdev
:
3402 olist
= qemu_find_opts("fsdev");
3404 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3407 opts
= qemu_opts_parse(olist
, optarg
, 1);
3412 case QEMU_OPTION_virtfs
: {
3415 const char *writeout
, *sock_fd
, *socket
;
3417 olist
= qemu_find_opts("virtfs");
3419 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3422 opts
= qemu_opts_parse(olist
, optarg
, 1);
3427 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3428 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3429 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3432 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3433 qemu_opt_get(opts
, "mount_tag"),
3436 fprintf(stderr
, "duplicate fsdev id: %s\n",
3437 qemu_opt_get(opts
, "mount_tag"));
3441 writeout
= qemu_opt_get(opts
, "writeout");
3443 #ifdef CONFIG_SYNC_FILE_RANGE
3444 qemu_opt_set(fsdev
, "writeout", writeout
);
3446 fprintf(stderr
, "writeout=immediate not supported on "
3451 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3452 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3453 qemu_opt_set(fsdev
, "security_model",
3454 qemu_opt_get(opts
, "security_model"));
3455 socket
= qemu_opt_get(opts
, "socket");
3457 qemu_opt_set(fsdev
, "socket", socket
);
3459 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3461 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3464 qemu_opt_set_bool(fsdev
, "readonly",
3465 qemu_opt_get_bool(opts
, "readonly", 0));
3466 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3468 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3469 qemu_opt_set(device
, "fsdev",
3470 qemu_opt_get(opts
, "mount_tag"));
3471 qemu_opt_set(device
, "mount_tag",
3472 qemu_opt_get(opts
, "mount_tag"));
3475 case QEMU_OPTION_virtfs_synth
: {
3479 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3482 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3485 qemu_opt_set(fsdev
, "fsdriver", "synth");
3487 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3489 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3490 qemu_opt_set(device
, "fsdev", "v_synth");
3491 qemu_opt_set(device
, "mount_tag", "v_synth");
3494 case QEMU_OPTION_serial
:
3495 add_device_config(DEV_SERIAL
, optarg
);
3497 if (strncmp(optarg
, "mon:", 4) == 0) {
3498 default_monitor
= 0;
3501 case QEMU_OPTION_watchdog
:
3504 "qemu: only one watchdog option may be given\n");
3509 case QEMU_OPTION_watchdog_action
:
3510 if (select_watchdog_action(optarg
) == -1) {
3511 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3515 case QEMU_OPTION_virtiocon
:
3516 add_device_config(DEV_VIRTCON
, optarg
);
3517 default_virtcon
= 0;
3518 if (strncmp(optarg
, "mon:", 4) == 0) {
3519 default_monitor
= 0;
3522 case QEMU_OPTION_parallel
:
3523 add_device_config(DEV_PARALLEL
, optarg
);
3524 default_parallel
= 0;
3525 if (strncmp(optarg
, "mon:", 4) == 0) {
3526 default_monitor
= 0;
3529 case QEMU_OPTION_debugcon
:
3530 add_device_config(DEV_DEBUGCON
, optarg
);
3532 case QEMU_OPTION_loadvm
:
3535 case QEMU_OPTION_full_screen
:
3538 case QEMU_OPTION_no_frame
:
3541 case QEMU_OPTION_alt_grab
:
3544 case QEMU_OPTION_ctrl_grab
:
3547 case QEMU_OPTION_no_quit
:
3550 case QEMU_OPTION_sdl
:
3552 display_type
= DT_SDL
;
3555 fprintf(stderr
, "SDL support is disabled\n");
3558 case QEMU_OPTION_pidfile
:
3561 case QEMU_OPTION_win2k_hack
:
3562 win2k_install_hack
= 1;
3564 case QEMU_OPTION_rtc_td_hack
: {
3565 static GlobalProperty slew_lost_ticks
[] = {
3567 .driver
= "mc146818rtc",
3568 .property
= "lost_tick_policy",
3571 { /* end of list */ }
3574 qdev_prop_register_global_list(slew_lost_ticks
);
3577 case QEMU_OPTION_acpitable
:
3578 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3582 do_acpitable_option(opts
);
3584 case QEMU_OPTION_smbios
:
3585 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3589 do_smbios_option(opts
);
3591 case QEMU_OPTION_enable_kvm
:
3592 olist
= qemu_find_opts("machine");
3593 qemu_opts_parse(olist
, "accel=kvm", 0);
3595 case QEMU_OPTION_machine
:
3596 olist
= qemu_find_opts("machine");
3597 opts
= qemu_opts_parse(olist
, optarg
, 1);
3601 optarg
= qemu_opt_get(opts
, "type");
3603 machine
= machine_parse(optarg
);
3606 case QEMU_OPTION_no_kvm
:
3607 olist
= qemu_find_opts("machine");
3608 qemu_opts_parse(olist
, "accel=tcg", 0);
3610 case QEMU_OPTION_no_kvm_pit
: {
3611 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3615 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3616 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3618 .driver
= "kvm-pit",
3619 .property
= "lost_tick_policy",
3622 { /* end of list */ }
3625 fprintf(stderr
, "Warning: option deprecated, use "
3626 "lost_tick_policy property of kvm-pit instead.\n");
3627 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3630 case QEMU_OPTION_usb
:
3631 olist
= qemu_find_opts("machine");
3632 qemu_opts_parse(olist
, "usb=on", 0);
3634 case QEMU_OPTION_usbdevice
:
3635 olist
= qemu_find_opts("machine");
3636 qemu_opts_parse(olist
, "usb=on", 0);
3637 add_device_config(DEV_USB
, optarg
);
3639 case QEMU_OPTION_device
:
3640 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3644 case QEMU_OPTION_smp
:
3645 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3649 case QEMU_OPTION_vnc
:
3652 vnc_display
= optarg
;
3654 fprintf(stderr
, "VNC support is disabled\n");
3658 case QEMU_OPTION_no_acpi
:
3661 case QEMU_OPTION_no_hpet
:
3664 case QEMU_OPTION_balloon
:
3665 if (balloon_parse(optarg
) < 0) {
3666 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3670 case QEMU_OPTION_no_reboot
:
3673 case QEMU_OPTION_no_shutdown
:
3676 case QEMU_OPTION_show_cursor
:
3679 case QEMU_OPTION_uuid
:
3680 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3681 fprintf(stderr
, "Fail to parse UUID string."
3682 " Wrong format.\n");
3685 qemu_uuid_set
= true;
3687 case QEMU_OPTION_option_rom
:
3688 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3689 fprintf(stderr
, "Too many option ROMs\n");
3692 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3696 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3697 option_rom
[nb_option_roms
].bootindex
=
3698 qemu_opt_get_number(opts
, "bootindex", -1);
3699 if (!option_rom
[nb_option_roms
].name
) {
3700 fprintf(stderr
, "Option ROM file is not specified\n");
3705 case QEMU_OPTION_semihosting
:
3706 semihosting_enabled
= 1;
3708 case QEMU_OPTION_tdf
:
3709 fprintf(stderr
, "Warning: user space PIT time drift fix "
3710 "is no longer supported.\n");
3712 case QEMU_OPTION_name
:
3713 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3719 case QEMU_OPTION_prom_env
:
3720 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3721 fprintf(stderr
, "Too many prom variables\n");
3724 prom_envs
[nb_prom_envs
] = optarg
;
3727 case QEMU_OPTION_old_param
:
3730 case QEMU_OPTION_clock
:
3731 /* Clock options no longer exist. Keep this option for
3732 * backward compatibility.
3735 case QEMU_OPTION_startdate
:
3736 configure_rtc_date_offset(optarg
, 1);
3738 case QEMU_OPTION_rtc
:
3739 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3743 configure_rtc(opts
);
3745 case QEMU_OPTION_tb_size
:
3746 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3747 if (tcg_tb_size
< 0) {
3751 case QEMU_OPTION_icount
:
3752 icount_option
= optarg
;
3754 case QEMU_OPTION_incoming
:
3756 runstate_set(RUN_STATE_INMIGRATE
);
3758 case QEMU_OPTION_nodefaults
:
3760 default_parallel
= 0;
3761 default_virtcon
= 0;
3763 default_monitor
= 0;
3770 case QEMU_OPTION_xen_domid
:
3771 if (!(xen_available())) {
3772 printf("Option %s not supported for this target\n", popt
->name
);
3775 xen_domid
= atoi(optarg
);
3777 case QEMU_OPTION_xen_create
:
3778 if (!(xen_available())) {
3779 printf("Option %s not supported for this target\n", popt
->name
);
3782 xen_mode
= XEN_CREATE
;
3784 case QEMU_OPTION_xen_attach
:
3785 if (!(xen_available())) {
3786 printf("Option %s not supported for this target\n", popt
->name
);
3789 xen_mode
= XEN_ATTACH
;
3791 case QEMU_OPTION_trace
:
3793 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3797 trace_events
= qemu_opt_get(opts
, "events");
3798 trace_file
= qemu_opt_get(opts
, "file");
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();
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(machine
);
4133 Error
*local_err
= NULL
;
4134 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4136 error_report("%s", error_get_pretty(local_err
));
4137 error_free(local_err
);
4142 machine_opts
= qemu_get_machine_opts();
4143 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4144 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4145 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4146 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4148 boot_order
= machine
->default_boot_order
;
4149 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4151 char *normal_boot_order
;
4152 const char *order
, *once
;
4154 order
= qemu_opt_get(opts
, "order");
4156 validate_bootdevices(order
);
4160 once
= qemu_opt_get(opts
, "once");
4162 validate_bootdevices(once
);
4163 normal_boot_order
= g_strdup(boot_order
);
4165 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4168 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4169 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4172 if (!kernel_cmdline
) {
4173 kernel_cmdline
= "";
4176 linux_boot
= (kernel_filename
!= NULL
);
4178 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4179 fprintf(stderr
, "-append only allowed with -kernel option\n");
4183 if (!linux_boot
&& initrd_filename
!= NULL
) {
4184 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4188 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4189 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4193 os_set_line_buffering();
4195 qemu_init_cpu_loop();
4196 qemu_mutex_lock_iothread();
4199 /* spice needs the timers to be initialized by this point */
4203 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4204 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4207 configure_icount(icount_option
);
4209 /* clean up network at qemu process termination */
4210 atexit(&net_cleanup
);
4212 if (net_init_clients() < 0) {
4217 if (tpm_init() < 0) {
4222 /* init the bluetooth world */
4223 if (foreach_device_config(DEV_BT
, bt_parse
))
4226 if (!xen_enabled()) {
4227 /* On 32-bit hosts, QEMU is limited by virtual address space */
4228 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4229 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4234 cpu_exec_init_all();
4238 /* open the virtual block devices */
4240 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4241 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4242 &machine
->block_default_type
, 1) != 0) {
4246 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4248 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4249 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4251 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4253 if (nb_numa_nodes
> 0) {
4256 if (nb_numa_nodes
> MAX_NODES
) {
4257 nb_numa_nodes
= MAX_NODES
;
4260 /* If no memory size if given for any node, assume the default case
4261 * and distribute the available memory equally across all nodes
4263 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4264 if (node_mem
[i
] != 0)
4267 if (i
== nb_numa_nodes
) {
4268 uint64_t usedmem
= 0;
4270 /* On Linux, the each node's border has to be 8MB aligned,
4271 * the final node gets the rest.
4273 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4274 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4275 usedmem
+= node_mem
[i
];
4277 node_mem
[i
] = ram_size
- usedmem
;
4280 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4281 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4285 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4286 * must cope with this anyway, because there are BIOSes out there in
4287 * real machines which also use this scheme.
4289 if (i
== nb_numa_nodes
) {
4290 for (i
= 0; i
< max_cpus
; i
++) {
4291 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4296 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4300 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4302 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4304 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4306 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4309 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4312 /* If no default VGA is requested, the default is "none". */
4314 if (cirrus_vga_available()) {
4315 vga_model
= "cirrus";
4316 } else if (vga_available()) {
4320 select_vgahw(vga_model
);
4323 i
= select_watchdog(watchdog
);
4325 exit (i
== 1 ? 1 : 0);
4328 if (machine
->compat_props
) {
4329 qdev_prop_register_global_list(machine
->compat_props
);
4333 qdev_machine_init();
4335 QEMUMachineInitArgs args
= { .machine
= machine
,
4336 .ram_size
= ram_size
,
4337 .boot_order
= boot_order
,
4338 .kernel_filename
= kernel_filename
,
4339 .kernel_cmdline
= kernel_cmdline
,
4340 .initrd_filename
= initrd_filename
,
4341 .cpu_model
= cpu_model
};
4342 machine
->init(&args
);
4346 cpu_synchronize_all_post_init();
4350 current_machine
= machine
;
4352 /* init USB devices */
4353 if (usb_enabled(false)) {
4354 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4358 /* init generic devices */
4359 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4362 net_check_clients();
4364 ds
= init_displaystate();
4366 /* init local displays */
4367 switch (display_type
) {
4369 (void)ds
; /* avoid warning if no display is configured */
4371 #if defined(CONFIG_CURSES)
4373 curses_display_init(ds
, full_screen
);
4376 #if defined(CONFIG_SDL)
4378 sdl_display_init(ds
, full_screen
, no_frame
);
4380 #elif defined(CONFIG_COCOA)
4382 cocoa_display_init(ds
, full_screen
);
4385 #if defined(CONFIG_GTK)
4387 gtk_display_init(ds
, full_screen
);
4394 /* must be after terminal init, SDL library changes signal handlers */
4395 os_setup_signal_handling();
4398 /* init remote displays */
4400 Error
*local_err
= NULL
;
4401 vnc_display_init(ds
);
4402 vnc_display_open(ds
, vnc_display
, &local_err
);
4403 if (local_err
!= NULL
) {
4404 error_report("Failed to start VNC server on `%s': %s",
4405 vnc_display
, error_get_pretty(local_err
));
4406 error_free(local_err
);
4410 if (show_vnc_port
) {
4411 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4417 qemu_spice_display_init();
4421 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4425 qdev_machine_creation_done();
4427 if (rom_load_all() != 0) {
4428 fprintf(stderr
, "rom loading failed\n");
4432 /* TODO: once all bus devices are qdevified, this should be done
4433 * when bus is created by qdev.c */
4434 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4435 qemu_run_machine_init_done_notifiers();
4437 /* Done notifiers can load ROMs */
4440 qemu_system_reset(VMRESET_SILENT
);
4442 if (load_vmstate(loadvm
) < 0) {
4448 Error
*local_err
= NULL
;
4449 qemu_start_incoming_migration(incoming
, &local_err
);
4451 error_report("-incoming %s: %s", incoming
,
4452 error_get_pretty(local_err
));
4453 error_free(local_err
);
4456 } else if (autostart
) {
4462 if (is_daemonized()) {
4463 if (!trace_backend_init(trace_events
, trace_file
)) {