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 has_defaults
= 1;
217 static int default_serial
= 1;
218 static int default_parallel
= 1;
219 static int default_virtcon
= 1;
220 static int default_sclp
= 1;
221 static int default_monitor
= 1;
222 static int default_floppy
= 1;
223 static int default_cdrom
= 1;
224 static int default_sdcard
= 1;
225 static int default_vga
= 1;
231 { .driver
= "isa-serial", .flag
= &default_serial
},
232 { .driver
= "isa-parallel", .flag
= &default_parallel
},
233 { .driver
= "isa-fdc", .flag
= &default_floppy
},
234 { .driver
= "ide-cd", .flag
= &default_cdrom
},
235 { .driver
= "ide-hd", .flag
= &default_cdrom
},
236 { .driver
= "ide-drive", .flag
= &default_cdrom
},
237 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
238 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
239 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
240 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
241 { .driver
= "VGA", .flag
= &default_vga
},
242 { .driver
= "isa-vga", .flag
= &default_vga
},
243 { .driver
= "cirrus-vga", .flag
= &default_vga
},
244 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
245 { .driver
= "vmware-svga", .flag
= &default_vga
},
246 { .driver
= "qxl-vga", .flag
= &default_vga
},
249 static QemuOptsList qemu_rtc_opts
= {
251 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
255 .type
= QEMU_OPT_STRING
,
258 .type
= QEMU_OPT_STRING
,
261 .type
= QEMU_OPT_STRING
,
263 { /* end of list */ }
267 static QemuOptsList qemu_sandbox_opts
= {
269 .implied_opt_name
= "enable",
270 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
274 .type
= QEMU_OPT_BOOL
,
276 { /* end of list */ }
280 static QemuOptsList qemu_trace_opts
= {
282 .implied_opt_name
= "trace",
283 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
287 .type
= QEMU_OPT_STRING
,
290 .type
= QEMU_OPT_STRING
,
292 { /* end of list */ }
296 static QemuOptsList qemu_option_rom_opts
= {
297 .name
= "option-rom",
298 .implied_opt_name
= "romfile",
299 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
303 .type
= QEMU_OPT_NUMBER
,
306 .type
= QEMU_OPT_STRING
,
308 { /* end of list */ }
312 static QemuOptsList qemu_machine_opts
= {
314 .implied_opt_name
= "type",
316 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
320 .type
= QEMU_OPT_STRING
,
321 .help
= "emulated machine"
324 .type
= QEMU_OPT_STRING
,
325 .help
= "accelerator list",
327 .name
= "kernel_irqchip",
328 .type
= QEMU_OPT_BOOL
,
329 .help
= "use KVM in-kernel irqchip",
331 .name
= "kvm_shadow_mem",
332 .type
= QEMU_OPT_SIZE
,
333 .help
= "KVM shadow MMU size",
336 .type
= QEMU_OPT_STRING
,
337 .help
= "Linux kernel image file",
340 .type
= QEMU_OPT_STRING
,
341 .help
= "Linux initial ramdisk file",
344 .type
= QEMU_OPT_STRING
,
345 .help
= "Linux kernel command line",
348 .type
= QEMU_OPT_STRING
,
349 .help
= "Linux kernel device tree file",
352 .type
= QEMU_OPT_STRING
,
353 .help
= "Dump current dtb to a file and quit",
355 .name
= "phandle_start",
356 .type
= QEMU_OPT_NUMBER
,
357 .help
= "The first phandle ID we may generate dynamically",
359 .name
= "dt_compatible",
360 .type
= QEMU_OPT_STRING
,
361 .help
= "Overrides the \"compatible\" property of the dt root node",
363 .name
= "dump-guest-core",
364 .type
= QEMU_OPT_BOOL
,
365 .help
= "Include guest memory in a core dump",
368 .type
= QEMU_OPT_BOOL
,
369 .help
= "enable/disable memory merge support",
372 .type
= QEMU_OPT_BOOL
,
373 .help
= "Set on/off to enable/disable usb",
376 .type
= QEMU_OPT_STRING
,
377 .help
= "firmware image",
380 .type
= QEMU_OPT_STRING
,
381 .help
= "Specifies the KVM virtualization mode (HV, PR)",
383 { /* End of list */ }
387 static QemuOptsList qemu_boot_opts
= {
389 .implied_opt_name
= "order",
391 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
395 .type
= QEMU_OPT_STRING
,
398 .type
= QEMU_OPT_STRING
,
401 .type
= QEMU_OPT_BOOL
,
404 .type
= QEMU_OPT_STRING
,
406 .name
= "splash-time",
407 .type
= QEMU_OPT_STRING
,
409 .name
= "reboot-timeout",
410 .type
= QEMU_OPT_STRING
,
413 .type
= QEMU_OPT_BOOL
,
419 static QemuOptsList qemu_add_fd_opts
= {
421 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
425 .type
= QEMU_OPT_NUMBER
,
426 .help
= "file descriptor of which a duplicate is added to fd set",
429 .type
= QEMU_OPT_NUMBER
,
430 .help
= "ID of the fd set to add fd to",
433 .type
= QEMU_OPT_STRING
,
434 .help
= "free-form string used to describe fd",
436 { /* end of list */ }
440 static QemuOptsList qemu_object_opts
= {
442 .implied_opt_name
= "qom-type",
443 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
449 static QemuOptsList qemu_tpmdev_opts
= {
451 .implied_opt_name
= "type",
452 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
454 /* options are defined in the TPM backends */
455 { /* end of list */ }
459 static QemuOptsList qemu_realtime_opts
= {
461 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
465 .type
= QEMU_OPT_BOOL
,
467 { /* end of list */ }
471 static QemuOptsList qemu_msg_opts
= {
473 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
477 .type
= QEMU_OPT_BOOL
,
479 { /* end of list */ }
483 static QemuOptsList qemu_name_opts
= {
485 .implied_opt_name
= "guest",
487 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
491 .type
= QEMU_OPT_STRING
,
492 .help
= "Sets the name of the guest.\n"
493 "This name will be displayed in the SDL window caption.\n"
494 "The name will also be used for the VNC server",
497 .type
= QEMU_OPT_STRING
,
498 .help
= "Sets the name of the QEMU process, as shown in top etc",
500 .name
= "debug-threads",
501 .type
= QEMU_OPT_BOOL
,
502 .help
= "When enabled, name the individual threads; defaults off.\n"
503 "NOTE: The thread names are for debugging and not a\n"
506 { /* End of list */ }
511 * Get machine options
513 * Returns: machine options (never null).
515 QemuOpts
*qemu_get_machine_opts(void)
520 list
= qemu_find_opts("machine");
522 opts
= qemu_opts_find(list
, NULL
);
524 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
529 const char *qemu_get_vm_name(void)
534 static void res_free(void)
536 if (boot_splash_filedata
!= NULL
) {
537 g_free(boot_splash_filedata
);
538 boot_splash_filedata
= NULL
;
542 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
544 const char *driver
= qemu_opt_get(opts
, "driver");
549 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
550 if (strcmp(default_list
[i
].driver
, driver
) != 0)
552 *(default_list
[i
].flag
) = 0;
557 /***********************************************************/
560 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
565 } RunStateTransition
;
567 static const RunStateTransition runstate_transitions_def
[] = {
569 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
570 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
572 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
573 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
575 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
576 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
579 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
582 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
584 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
585 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
587 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
588 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
591 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
592 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
594 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
596 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
597 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
598 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
599 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
600 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
602 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
603 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
604 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
605 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
607 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
609 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
610 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
613 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
614 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
615 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
617 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
618 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
621 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_MAX
, RUN_STATE_MAX
},
626 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
628 bool runstate_check(RunState state
)
630 return current_run_state
== state
;
633 static void runstate_init(void)
635 const RunStateTransition
*p
;
637 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
639 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
640 runstate_valid_transitions
[p
->from
][p
->to
] = true;
644 /* This function will abort() on invalid state transitions */
645 void runstate_set(RunState new_state
)
647 assert(new_state
< RUN_STATE_MAX
);
649 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
650 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
651 RunState_lookup
[current_run_state
],
652 RunState_lookup
[new_state
]);
655 trace_runstate_set(new_state
);
656 current_run_state
= new_state
;
659 int runstate_is_running(void)
661 return runstate_check(RUN_STATE_RUNNING
);
664 bool runstate_needs_reset(void)
666 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
667 runstate_check(RUN_STATE_SHUTDOWN
);
670 StatusInfo
*qmp_query_status(Error
**errp
)
672 StatusInfo
*info
= g_malloc0(sizeof(*info
));
674 info
->running
= runstate_is_running();
675 info
->singlestep
= singlestep
;
676 info
->status
= current_run_state
;
681 /***********************************************************/
682 /* real time host monotonic timer */
684 /***********************************************************/
685 /* host time/date access */
686 void qemu_get_timedate(struct tm
*tm
, int offset
)
692 if (rtc_date_offset
== -1) {
696 localtime_r(&ti
, tm
);
698 ti
-= rtc_date_offset
;
703 int qemu_timedate_diff(struct tm
*tm
)
707 if (rtc_date_offset
== -1)
709 seconds
= mktimegm(tm
);
712 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
713 seconds
= mktime(&tmp
);
716 seconds
= mktimegm(tm
) + rtc_date_offset
;
718 return seconds
- time(NULL
);
721 void rtc_change_mon_event(struct tm
*tm
)
725 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
726 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
727 qobject_decref(data
);
730 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
732 time_t rtc_start_date
;
735 if (!strcmp(startdate
, "now") && legacy
) {
736 rtc_date_offset
= -1;
738 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
746 } else if (sscanf(startdate
, "%d-%d-%d",
758 rtc_start_date
= mktimegm(&tm
);
759 if (rtc_start_date
== -1) {
761 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
762 "'2006-06-17T16:01:21' or '2006-06-17'\n");
765 rtc_date_offset
= time(NULL
) - rtc_start_date
;
769 static void configure_rtc(QemuOpts
*opts
)
773 value
= qemu_opt_get(opts
, "base");
775 if (!strcmp(value
, "utc")) {
777 } else if (!strcmp(value
, "localtime")) {
780 configure_rtc_date_offset(value
, 0);
783 value
= qemu_opt_get(opts
, "clock");
785 if (!strcmp(value
, "host")) {
786 rtc_clock
= QEMU_CLOCK_HOST
;
787 } else if (!strcmp(value
, "rt")) {
788 rtc_clock
= QEMU_CLOCK_REALTIME
;
789 } else if (!strcmp(value
, "vm")) {
790 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
792 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
796 value
= qemu_opt_get(opts
, "driftfix");
798 if (!strcmp(value
, "slew")) {
799 static GlobalProperty slew_lost_ticks
[] = {
801 .driver
= "mc146818rtc",
802 .property
= "lost_tick_policy",
805 { /* end of list */ }
808 qdev_prop_register_global_list(slew_lost_ticks
);
809 } else if (!strcmp(value
, "none")) {
810 /* discard is default */
812 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
818 /***********************************************************/
819 /* Bluetooth support */
822 static struct HCIInfo
*hci_table
[MAX_NICS
];
824 struct HCIInfo
*qemu_next_hci(void)
826 if (cur_hci
== nb_hcis
)
829 return hci_table
[cur_hci
++];
832 static int bt_hci_parse(const char *str
)
837 if (nb_hcis
>= MAX_NICS
) {
838 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
851 bdaddr
.b
[5] = 0x56 + nb_hcis
;
852 hci
->bdaddr_set(hci
, bdaddr
.b
);
854 hci_table
[nb_hcis
++] = hci
;
859 static void bt_vhci_add(int vlan_id
)
861 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
864 fprintf(stderr
, "qemu: warning: adding a VHCI to "
865 "an empty scatternet %i\n", vlan_id
);
867 bt_vhci_init(bt_new_hci(vlan
));
870 static struct bt_device_s
*bt_device_add(const char *opt
)
872 struct bt_scatternet_s
*vlan
;
874 char *endp
= strstr(opt
, ",vlan=");
875 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
878 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
881 vlan_id
= strtol(endp
+ 6, &endp
, 0);
883 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
888 vlan
= qemu_find_bt_vlan(vlan_id
);
891 fprintf(stderr
, "qemu: warning: adding a slave device to "
892 "an empty scatternet %i\n", vlan_id
);
894 if (!strcmp(devname
, "keyboard"))
895 return bt_keyboard_init(vlan
);
897 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
901 static int bt_parse(const char *opt
)
903 const char *endp
, *p
;
906 if (strstart(opt
, "hci", &endp
)) {
907 if (!*endp
|| *endp
== ',') {
909 if (!strstart(endp
, ",vlan=", 0))
912 return bt_hci_parse(opt
);
914 } else if (strstart(opt
, "vhci", &endp
)) {
915 if (!*endp
|| *endp
== ',') {
917 if (strstart(endp
, ",vlan=", &p
)) {
918 vlan
= strtol(p
, (char **) &endp
, 0);
920 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
924 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
933 } else if (strstart(opt
, "device:", &endp
))
934 return !bt_device_add(endp
);
936 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
940 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
942 /* FIXME: change this to true for 1.3 */
943 if (qemu_opt_get_bool(opts
, "enable", false)) {
944 #ifdef CONFIG_SECCOMP
945 if (seccomp_start() < 0) {
946 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
947 "failed to install seccomp syscall filter in the kernel");
951 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
952 "sandboxing request but seccomp is not compiled into this build");
960 static void parse_name(QemuOpts
*opts
)
962 const char *proc_name
;
964 if (qemu_opt_get(opts
, "debug-threads")) {
965 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
967 qemu_name
= qemu_opt_get(opts
, "guest");
969 proc_name
= qemu_opt_get(opts
, "process");
971 os_set_proc_name(proc_name
);
975 bool usb_enabled(bool default_usb
)
977 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
978 has_defaults
&& default_usb
);
982 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
984 int fd
, dupfd
, flags
;
986 const char *fd_opaque
= NULL
;
988 fd
= qemu_opt_get_number(opts
, "fd", -1);
989 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
990 fd_opaque
= qemu_opt_get(opts
, "opaque");
993 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
994 "fd option is required and must be non-negative");
998 if (fd
<= STDERR_FILENO
) {
999 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1000 "fd cannot be a standard I/O stream");
1005 * All fds inherited across exec() necessarily have FD_CLOEXEC
1006 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1008 flags
= fcntl(fd
, F_GETFD
);
1009 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1010 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1011 "fd is not valid or already in use");
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1017 "set option is required and must be non-negative");
1021 #ifdef F_DUPFD_CLOEXEC
1022 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1026 qemu_set_cloexec(dupfd
);
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1031 "Error duplicating fd: %s", strerror(errno
));
1035 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1036 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1042 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1046 fd
= qemu_opt_get_number(opts
, "fd", -1);
1053 /***********************************************************/
1054 /* QEMU Block devices */
1056 #define HD_OPTS "media=disk"
1057 #define CDROM_OPTS "media=cdrom"
1059 #define PFLASH_OPTS ""
1063 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1065 BlockInterfaceType
*block_default_type
= opaque
;
1067 return drive_init(opts
, *block_default_type
) == NULL
;
1070 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1072 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1073 qemu_opt_set(opts
, "snapshot", "on");
1078 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1079 int index
, const char *optstr
)
1083 if (!enable
|| drive_get_by_index(type
, index
)) {
1087 opts
= drive_add(type
, index
, NULL
, optstr
);
1089 drive_enable_snapshot(opts
, NULL
);
1091 if (!drive_init(opts
, type
)) {
1096 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1098 boot_set_handler
= func
;
1099 boot_set_opaque
= opaque
;
1102 int qemu_boot_set(const char *boot_order
)
1104 if (!boot_set_handler
) {
1107 return boot_set_handler(boot_set_opaque
, boot_order
);
1110 static void validate_bootdevices(const char *devices
)
1112 /* We just do some generic consistency checks */
1116 for (p
= devices
; *p
!= '\0'; p
++) {
1117 /* Allowed boot devices are:
1118 * a-b: floppy disk drives
1119 * c-f: IDE disk drives
1120 * g-m: machine implementation dependent drives
1121 * n-p: network devices
1122 * It's up to each machine implementation to check if the given boot
1123 * devices match the actual hardware implementation and firmware
1126 if (*p
< 'a' || *p
> 'p') {
1127 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1130 if (bitmap
& (1 << (*p
- 'a'))) {
1131 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1134 bitmap
|= 1 << (*p
- 'a');
1138 static void restore_boot_order(void *opaque
)
1140 char *normal_boot_order
= opaque
;
1141 static int first
= 1;
1143 /* Restore boot order and remove ourselves after the first boot */
1149 qemu_boot_set(normal_boot_order
);
1151 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1152 g_free(normal_boot_order
);
1155 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1158 FWBootEntry
*node
, *i
;
1160 if (bootindex
< 0) {
1164 assert(dev
!= NULL
|| suffix
!= NULL
);
1166 node
= g_malloc0(sizeof(FWBootEntry
));
1167 node
->bootindex
= bootindex
;
1168 node
->suffix
= g_strdup(suffix
);
1171 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1172 if (i
->bootindex
== bootindex
) {
1173 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1175 } else if (i
->bootindex
< bootindex
) {
1178 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1181 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1184 DeviceState
*get_boot_device(uint32_t position
)
1186 uint32_t counter
= 0;
1187 FWBootEntry
*i
= NULL
;
1188 DeviceState
*res
= NULL
;
1190 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1191 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1192 if (counter
== position
) {
1203 * This function returns null terminated string that consist of new line
1204 * separated device paths.
1206 * memory pointed by "size" is assigned total length of the array in bytes
1209 char *get_boot_devices_list(size_t *size
)
1215 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1216 char *devpath
= NULL
, *bootpath
;
1220 devpath
= qdev_get_fw_dev_path(i
->dev
);
1224 if (i
->suffix
&& devpath
) {
1225 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1227 bootpath
= g_malloc(bootpathlen
);
1228 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1230 } else if (devpath
) {
1234 bootpath
= g_strdup(i
->suffix
);
1238 list
[total
-1] = '\n';
1240 len
= strlen(bootpath
) + 1;
1241 list
= g_realloc(list
, total
+ len
);
1242 memcpy(&list
[total
], bootpath
, len
);
1249 if (boot_strict
&& *size
> 0) {
1250 list
[total
-1] = '\n';
1251 list
= g_realloc(list
, total
+ 5);
1252 memcpy(&list
[total
], "HALT", 5);
1258 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1261 unsigned long long value
, endvalue
;
1263 /* Empty CPU range strings will be considered valid, they will simply
1264 * not set any bit in the CPU bitmap.
1270 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1273 if (*endptr
== '-') {
1274 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1277 } else if (*endptr
== '\0') {
1283 if (endvalue
>= MAX_CPUMASK_BITS
) {
1284 endvalue
= MAX_CPUMASK_BITS
- 1;
1286 "qemu: NUMA: A max of %d VCPUs are supported\n",
1290 if (endvalue
< value
) {
1294 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1298 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1302 static void numa_add(const char *optarg
)
1306 unsigned long long nodenr
;
1308 optarg
= get_opt_name(option
, 128, optarg
, ',');
1309 if (*optarg
== ',') {
1312 if (!strcmp(option
, "node")) {
1314 if (nb_numa_nodes
>= MAX_NODES
) {
1315 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1319 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1320 nodenr
= nb_numa_nodes
;
1322 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1323 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1328 if (nodenr
>= MAX_NODES
) {
1329 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1333 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1334 node_mem
[nodenr
] = 0;
1337 sval
= strtosz(option
, &endptr
);
1338 if (sval
< 0 || *endptr
) {
1339 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1342 node_mem
[nodenr
] = sval
;
1344 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1345 numa_node_parse_cpus(nodenr
, option
);
1349 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1354 static QemuOptsList qemu_smp_opts
= {
1356 .implied_opt_name
= "cpus",
1357 .merge_lists
= true,
1358 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1362 .type
= QEMU_OPT_NUMBER
,
1365 .type
= QEMU_OPT_NUMBER
,
1368 .type
= QEMU_OPT_NUMBER
,
1371 .type
= QEMU_OPT_NUMBER
,
1374 .type
= QEMU_OPT_NUMBER
,
1376 { /*End of list */ }
1380 static void smp_parse(QemuOpts
*opts
)
1384 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1385 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1386 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1387 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1389 /* compute missing values, prefer sockets over cores over threads */
1390 if (cpus
== 0 || sockets
== 0) {
1391 sockets
= sockets
> 0 ? sockets
: 1;
1392 cores
= cores
> 0 ? cores
: 1;
1393 threads
= threads
> 0 ? threads
: 1;
1395 cpus
= cores
* threads
* sockets
;
1399 threads
= threads
> 0 ? threads
: 1;
1400 cores
= cpus
/ (sockets
* threads
);
1402 threads
= cpus
/ (cores
* sockets
);
1406 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1409 smp_cores
= cores
> 0 ? cores
: 1;
1410 smp_threads
= threads
> 0 ? threads
: 1;
1414 if (max_cpus
== 0) {
1415 max_cpus
= smp_cpus
;
1418 if (max_cpus
> 255) {
1419 fprintf(stderr
, "Unsupported number of maxcpus\n");
1422 if (max_cpus
< smp_cpus
) {
1423 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1429 static void configure_realtime(QemuOpts
*opts
)
1433 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1436 if (os_mlock() < 0) {
1437 fprintf(stderr
, "qemu: locking memory failed\n");
1444 static void configure_msg(QemuOpts
*opts
)
1446 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1449 /***********************************************************/
1452 static int usb_device_add(const char *devname
)
1454 USBDevice
*dev
= NULL
;
1455 #ifndef CONFIG_LINUX
1459 if (!usb_enabled(false)) {
1463 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1464 dev
= usbdevice_create(devname
);
1468 /* the other ones */
1469 #ifndef CONFIG_LINUX
1470 /* only the linux version is qdev-ified, usb-bsd still needs this */
1471 if (strstart(devname
, "host:", &p
)) {
1472 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1482 static int usb_device_del(const char *devname
)
1487 if (strstart(devname
, "host:", &p
)) {
1491 if (!usb_enabled(false)) {
1495 p
= strchr(devname
, '.');
1498 bus_num
= strtoul(devname
, NULL
, 0);
1499 addr
= strtoul(p
+ 1, NULL
, 0);
1501 return usb_device_delete_addr(bus_num
, addr
);
1504 static int usb_parse(const char *cmdline
)
1507 r
= usb_device_add(cmdline
);
1509 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1514 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1516 const char *devname
= qdict_get_str(qdict
, "devname");
1517 if (usb_device_add(devname
) < 0) {
1518 error_report("could not add USB device '%s'", devname
);
1522 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1524 const char *devname
= qdict_get_str(qdict
, "devname");
1525 if (usb_device_del(devname
) < 0) {
1526 error_report("could not delete USB device '%s'", devname
);
1530 /***********************************************************/
1531 /* PCMCIA/Cardbus */
1533 static struct pcmcia_socket_entry_s
{
1534 PCMCIASocket
*socket
;
1535 struct pcmcia_socket_entry_s
*next
;
1536 } *pcmcia_sockets
= 0;
1538 void pcmcia_socket_register(PCMCIASocket
*socket
)
1540 struct pcmcia_socket_entry_s
*entry
;
1542 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1543 entry
->socket
= socket
;
1544 entry
->next
= pcmcia_sockets
;
1545 pcmcia_sockets
= entry
;
1548 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1550 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1552 ptr
= &pcmcia_sockets
;
1553 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1554 if (entry
->socket
== socket
) {
1560 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1562 struct pcmcia_socket_entry_s
*iter
;
1564 if (!pcmcia_sockets
)
1565 monitor_printf(mon
, "No PCMCIA sockets\n");
1567 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1568 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1569 iter
->socket
->attached
? iter
->socket
->card_string
:
1573 /***********************************************************/
1574 /* machine registration */
1576 MachineState
*current_machine
;
1578 static void machine_class_init(ObjectClass
*oc
, void *data
)
1580 MachineClass
*mc
= MACHINE_CLASS(oc
);
1582 mc
->qemu_machine
= data
;
1585 int qemu_register_machine(QEMUMachine
*m
)
1588 .name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
),
1589 .parent
= TYPE_MACHINE
,
1590 .class_init
= machine_class_init
,
1591 .class_data
= (void *)m
,
1599 static MachineClass
*find_machine(const char *name
)
1601 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1602 MachineClass
*mc
= NULL
;
1604 for (el
= machines
; el
; el
= el
->next
) {
1605 MachineClass
*temp
= el
->data
;
1607 if (!strcmp(temp
->qemu_machine
->name
, name
)) {
1611 if (temp
->qemu_machine
->alias
&&
1612 !strcmp(temp
->qemu_machine
->alias
, name
)) {
1618 g_slist_free(machines
);
1622 MachineClass
*find_default_machine(void)
1624 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1625 MachineClass
*mc
= NULL
;
1627 for (el
= machines
; el
; el
= el
->next
) {
1628 MachineClass
*temp
= el
->data
;
1630 if (temp
->qemu_machine
->is_default
) {
1636 g_slist_free(machines
);
1640 MachineInfoList
*qmp_query_machines(Error
**errp
)
1642 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1643 MachineInfoList
*mach_list
= NULL
;
1646 for (el
= machines
; el
; el
= el
->next
) {
1647 MachineClass
*mc
= el
->data
;
1648 MachineInfoList
*entry
;
1651 m
= mc
->qemu_machine
;
1652 info
= g_malloc0(sizeof(*info
));
1653 if (m
->is_default
) {
1654 info
->has_is_default
= true;
1655 info
->is_default
= true;
1659 info
->has_alias
= true;
1660 info
->alias
= g_strdup(m
->alias
);
1663 info
->name
= g_strdup(m
->name
);
1664 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1666 entry
= g_malloc0(sizeof(*entry
));
1667 entry
->value
= info
;
1668 entry
->next
= mach_list
;
1672 g_slist_free(machines
);
1676 /***********************************************************/
1677 /* main execution loop */
1679 struct vm_change_state_entry
{
1680 VMChangeStateHandler
*cb
;
1682 QLIST_ENTRY (vm_change_state_entry
) entries
;
1685 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1687 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1690 VMChangeStateEntry
*e
;
1692 e
= g_malloc0(sizeof (*e
));
1696 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1700 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1702 QLIST_REMOVE (e
, entries
);
1706 void vm_state_notify(int running
, RunState state
)
1708 VMChangeStateEntry
*e
;
1710 trace_vm_state_notify(running
, state
);
1712 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1713 e
->cb(e
->opaque
, running
, state
);
1719 if (!runstate_is_running()) {
1721 runstate_set(RUN_STATE_RUNNING
);
1722 vm_state_notify(1, RUN_STATE_RUNNING
);
1724 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1728 /* reset/shutdown handler */
1730 typedef struct QEMUResetEntry
{
1731 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1732 QEMUResetHandler
*func
;
1736 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1737 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1738 static int reset_requested
;
1739 static int shutdown_requested
, shutdown_signal
= -1;
1740 static pid_t shutdown_pid
;
1741 static int powerdown_requested
;
1742 static int debug_requested
;
1743 static int suspend_requested
;
1744 static WakeupReason wakeup_reason
;
1745 static NotifierList powerdown_notifiers
=
1746 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1747 static NotifierList suspend_notifiers
=
1748 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1749 static NotifierList wakeup_notifiers
=
1750 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1751 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1752 static RunState vmstop_requested
= RUN_STATE_MAX
;
1754 int qemu_shutdown_requested_get(void)
1756 return shutdown_requested
;
1759 int qemu_reset_requested_get(void)
1761 return reset_requested
;
1764 static int qemu_shutdown_requested(void)
1766 int r
= shutdown_requested
;
1767 shutdown_requested
= 0;
1771 static void qemu_kill_report(void)
1773 if (!qtest_driver() && shutdown_signal
!= -1) {
1774 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1775 if (shutdown_pid
== 0) {
1776 /* This happens for eg ^C at the terminal, so it's worth
1777 * avoiding printing an odd message in that case.
1779 fputc('\n', stderr
);
1781 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1783 shutdown_signal
= -1;
1787 static int qemu_reset_requested(void)
1789 int r
= reset_requested
;
1790 reset_requested
= 0;
1794 static int qemu_suspend_requested(void)
1796 int r
= suspend_requested
;
1797 suspend_requested
= 0;
1801 static WakeupReason
qemu_wakeup_requested(void)
1803 return wakeup_reason
;
1806 static int qemu_powerdown_requested(void)
1808 int r
= powerdown_requested
;
1809 powerdown_requested
= 0;
1813 static int qemu_debug_requested(void)
1815 int r
= debug_requested
;
1816 debug_requested
= 0;
1820 /* We use RUN_STATE_MAX but any invalid value will do */
1821 static bool qemu_vmstop_requested(RunState
*r
)
1823 if (vmstop_requested
< RUN_STATE_MAX
) {
1824 *r
= vmstop_requested
;
1825 vmstop_requested
= RUN_STATE_MAX
;
1832 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1834 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1837 re
->opaque
= opaque
;
1838 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1841 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1845 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1846 if (re
->func
== func
&& re
->opaque
== opaque
) {
1847 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1854 void qemu_devices_reset(void)
1856 QEMUResetEntry
*re
, *nre
;
1858 /* reset all devices */
1859 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1860 re
->func(re
->opaque
);
1864 void qemu_system_reset(bool report
)
1868 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1870 if (mc
&& mc
->qemu_machine
->reset
) {
1871 mc
->qemu_machine
->reset();
1873 qemu_devices_reset();
1876 monitor_protocol_event(QEVENT_RESET
, NULL
);
1878 cpu_synchronize_all_post_reset();
1881 void qemu_system_reset_request(void)
1884 shutdown_requested
= 1;
1886 reset_requested
= 1;
1889 qemu_notify_event();
1892 static void qemu_system_suspend(void)
1895 notifier_list_notify(&suspend_notifiers
, NULL
);
1896 runstate_set(RUN_STATE_SUSPENDED
);
1897 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1900 void qemu_system_suspend_request(void)
1902 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1905 suspend_requested
= 1;
1907 qemu_notify_event();
1910 void qemu_register_suspend_notifier(Notifier
*notifier
)
1912 notifier_list_add(&suspend_notifiers
, notifier
);
1915 void qemu_system_wakeup_request(WakeupReason reason
)
1917 trace_system_wakeup_request(reason
);
1919 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1922 if (!(wakeup_reason_mask
& (1 << reason
))) {
1925 runstate_set(RUN_STATE_RUNNING
);
1926 wakeup_reason
= reason
;
1927 qemu_notify_event();
1930 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1933 wakeup_reason_mask
|= (1 << reason
);
1935 wakeup_reason_mask
&= ~(1 << reason
);
1939 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1941 notifier_list_add(&wakeup_notifiers
, notifier
);
1944 void qemu_system_killed(int signal
, pid_t pid
)
1946 shutdown_signal
= signal
;
1949 qemu_system_shutdown_request();
1952 void qemu_system_shutdown_request(void)
1954 shutdown_requested
= 1;
1955 qemu_notify_event();
1958 static void qemu_system_powerdown(void)
1960 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1961 notifier_list_notify(&powerdown_notifiers
, NULL
);
1964 void qemu_system_powerdown_request(void)
1966 powerdown_requested
= 1;
1967 qemu_notify_event();
1970 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1972 notifier_list_add(&powerdown_notifiers
, notifier
);
1975 void qemu_system_debug_request(void)
1977 debug_requested
= 1;
1978 qemu_notify_event();
1981 void qemu_system_vmstop_request(RunState state
)
1983 vmstop_requested
= state
;
1984 qemu_notify_event();
1987 static bool main_loop_should_exit(void)
1990 if (qemu_debug_requested()) {
1991 vm_stop(RUN_STATE_DEBUG
);
1993 if (qemu_suspend_requested()) {
1994 qemu_system_suspend();
1996 if (qemu_shutdown_requested()) {
1998 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2000 vm_stop(RUN_STATE_SHUTDOWN
);
2005 if (qemu_reset_requested()) {
2007 cpu_synchronize_all_states();
2008 qemu_system_reset(VMRESET_REPORT
);
2010 if (runstate_needs_reset()) {
2011 runstate_set(RUN_STATE_PAUSED
);
2014 if (qemu_wakeup_requested()) {
2016 cpu_synchronize_all_states();
2017 qemu_system_reset(VMRESET_SILENT
);
2018 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2019 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2021 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2023 if (qemu_powerdown_requested()) {
2024 qemu_system_powerdown();
2026 if (qemu_vmstop_requested(&r
)) {
2032 static void main_loop(void)
2036 #ifdef CONFIG_PROFILER
2040 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2041 #ifdef CONFIG_PROFILER
2042 ti
= profile_getclock();
2044 last_io
= main_loop_wait(nonblocking
);
2045 #ifdef CONFIG_PROFILER
2046 dev_time
+= profile_getclock() - ti
;
2048 } while (!main_loop_should_exit());
2051 static void version(void)
2053 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2056 static void help(int exitcode
)
2059 printf("usage: %s [options] [disk_image]\n\n"
2060 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2061 error_get_progname());
2063 #define QEMU_OPTIONS_GENERATE_HELP
2064 #include "qemu-options-wrapper.h"
2066 printf("\nDuring emulation, the following keys are useful:\n"
2067 "ctrl-alt-f toggle full screen\n"
2068 "ctrl-alt-n switch to virtual console 'n'\n"
2069 "ctrl-alt toggle mouse and keyboard grab\n"
2071 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2076 #define HAS_ARG 0x0001
2078 typedef struct QEMUOption
{
2085 static const QEMUOption qemu_options
[] = {
2086 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2087 #define QEMU_OPTIONS_GENERATE_OPTIONS
2088 #include "qemu-options-wrapper.h"
2092 static bool vga_available(void)
2094 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2097 static bool cirrus_vga_available(void)
2099 return object_class_by_name("cirrus-vga")
2100 || object_class_by_name("isa-cirrus-vga");
2103 static bool vmware_vga_available(void)
2105 return object_class_by_name("vmware-svga");
2108 static bool qxl_vga_available(void)
2110 return object_class_by_name("qxl-vga");
2113 static bool tcx_vga_available(void)
2115 return object_class_by_name("SUNW,tcx");
2118 static bool cg3_vga_available(void)
2120 return object_class_by_name("cgthree");
2123 static void select_vgahw (const char *p
)
2127 assert(vga_interface_type
== VGA_NONE
);
2128 if (strstart(p
, "std", &opts
)) {
2129 if (vga_available()) {
2130 vga_interface_type
= VGA_STD
;
2132 fprintf(stderr
, "Error: standard VGA not available\n");
2135 } else if (strstart(p
, "cirrus", &opts
)) {
2136 if (cirrus_vga_available()) {
2137 vga_interface_type
= VGA_CIRRUS
;
2139 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2142 } else if (strstart(p
, "vmware", &opts
)) {
2143 if (vmware_vga_available()) {
2144 vga_interface_type
= VGA_VMWARE
;
2146 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2149 } else if (strstart(p
, "xenfb", &opts
)) {
2150 vga_interface_type
= VGA_XENFB
;
2151 } else if (strstart(p
, "qxl", &opts
)) {
2152 if (qxl_vga_available()) {
2153 vga_interface_type
= VGA_QXL
;
2155 fprintf(stderr
, "Error: QXL VGA not available\n");
2158 } else if (strstart(p
, "tcx", &opts
)) {
2159 if (tcx_vga_available()) {
2160 vga_interface_type
= VGA_TCX
;
2162 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2165 } else if (strstart(p
, "cg3", &opts
)) {
2166 if (cg3_vga_available()) {
2167 vga_interface_type
= VGA_CG3
;
2169 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2172 } else if (!strstart(p
, "none", &opts
)) {
2174 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2178 const char *nextopt
;
2180 if (strstart(opts
, ",retrace=", &nextopt
)) {
2182 if (strstart(opts
, "dumb", &nextopt
))
2183 vga_retrace_method
= VGA_RETRACE_DUMB
;
2184 else if (strstart(opts
, "precise", &nextopt
))
2185 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2186 else goto invalid_vga
;
2187 } else goto invalid_vga
;
2192 static DisplayType
select_display(const char *p
)
2195 DisplayType display
= DT_DEFAULT
;
2197 if (strstart(p
, "sdl", &opts
)) {
2201 const char *nextopt
;
2203 if (strstart(opts
, ",frame=", &nextopt
)) {
2205 if (strstart(opts
, "on", &nextopt
)) {
2207 } else if (strstart(opts
, "off", &nextopt
)) {
2210 goto invalid_sdl_args
;
2212 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2214 if (strstart(opts
, "on", &nextopt
)) {
2216 } else if (strstart(opts
, "off", &nextopt
)) {
2219 goto invalid_sdl_args
;
2221 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2223 if (strstart(opts
, "on", &nextopt
)) {
2225 } else if (strstart(opts
, "off", &nextopt
)) {
2228 goto invalid_sdl_args
;
2230 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2232 if (strstart(opts
, "on", &nextopt
)) {
2234 } else if (strstart(opts
, "off", &nextopt
)) {
2237 goto invalid_sdl_args
;
2241 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2247 fprintf(stderr
, "SDL support is disabled\n");
2250 } else if (strstart(p
, "vnc", &opts
)) {
2255 const char *nextopt
;
2257 if (strstart(opts
, "=", &nextopt
)) {
2258 vnc_display
= nextopt
;
2262 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2266 fprintf(stderr
, "VNC support is disabled\n");
2269 } else if (strstart(p
, "curses", &opts
)) {
2270 #ifdef CONFIG_CURSES
2271 display
= DT_CURSES
;
2273 fprintf(stderr
, "Curses support is disabled\n");
2276 } else if (strstart(p
, "gtk", &opts
)) {
2280 fprintf(stderr
, "GTK support is disabled\n");
2283 } else if (strstart(p
, "none", &opts
)) {
2286 fprintf(stderr
, "Unknown display type: %s\n", p
);
2293 static int balloon_parse(const char *arg
)
2297 if (strcmp(arg
, "none") == 0) {
2301 if (!strncmp(arg
, "virtio", 6)) {
2302 if (arg
[6] == ',') {
2303 /* have params -> parse them */
2304 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2308 /* create empty opts */
2309 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2312 qemu_opt_set(opts
, "driver", "virtio-balloon");
2319 char *qemu_find_file(int type
, const char *name
)
2325 /* Try the name as a straight path first */
2326 if (access(name
, R_OK
) == 0) {
2327 trace_load_file(name
, name
);
2328 return g_strdup(name
);
2332 case QEMU_FILE_TYPE_BIOS
:
2335 case QEMU_FILE_TYPE_KEYMAP
:
2336 subdir
= "keymaps/";
2342 for (i
= 0; i
< data_dir_idx
; i
++) {
2343 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2344 if (access(buf
, R_OK
) == 0) {
2345 trace_load_file(name
, buf
);
2353 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2355 return qdev_device_help(opts
);
2358 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2362 dev
= qdev_device_add(opts
);
2365 object_unref(OBJECT(dev
));
2369 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2371 Error
*local_err
= NULL
;
2373 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2375 error_report("%s", error_get_pretty(local_err
));
2376 error_free(local_err
);
2382 #ifdef CONFIG_VIRTFS
2383 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2386 ret
= qemu_fsdev_add(opts
);
2392 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2394 CharDriverState
*chr
;
2395 const char *chardev
;
2399 mode
= qemu_opt_get(opts
, "mode");
2403 if (strcmp(mode
, "readline") == 0) {
2404 flags
= MONITOR_USE_READLINE
;
2405 } else if (strcmp(mode
, "control") == 0) {
2406 flags
= MONITOR_USE_CONTROL
;
2408 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2412 if (qemu_opt_get_bool(opts
, "pretty", 0))
2413 flags
|= MONITOR_USE_PRETTY
;
2415 if (qemu_opt_get_bool(opts
, "default", 0))
2416 flags
|= MONITOR_IS_DEFAULT
;
2418 chardev
= qemu_opt_get(opts
, "chardev");
2419 chr
= qemu_chr_find(chardev
);
2421 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2425 qemu_chr_fe_claim_no_fail(chr
);
2426 monitor_init(chr
, flags
);
2430 static void monitor_parse(const char *optarg
, const char *mode
)
2432 static int monitor_device_index
= 0;
2438 if (strstart(optarg
, "chardev:", &p
)) {
2439 snprintf(label
, sizeof(label
), "%s", p
);
2441 snprintf(label
, sizeof(label
), "compat_monitor%d",
2442 monitor_device_index
);
2443 if (monitor_device_index
== 0) {
2446 opts
= qemu_chr_parse_compat(label
, optarg
);
2448 fprintf(stderr
, "parse error: %s\n", optarg
);
2453 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2455 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2458 qemu_opt_set(opts
, "mode", mode
);
2459 qemu_opt_set(opts
, "chardev", label
);
2461 qemu_opt_set(opts
, "default", "on");
2462 monitor_device_index
++;
2465 struct device_config
{
2467 DEV_USB
, /* -usbdevice */
2469 DEV_SERIAL
, /* -serial */
2470 DEV_PARALLEL
, /* -parallel */
2471 DEV_VIRTCON
, /* -virtioconsole */
2472 DEV_DEBUGCON
, /* -debugcon */
2473 DEV_GDB
, /* -gdb, -s */
2474 DEV_SCLP
, /* s390 sclp */
2476 const char *cmdline
;
2478 QTAILQ_ENTRY(device_config
) next
;
2481 static QTAILQ_HEAD(, device_config
) device_configs
=
2482 QTAILQ_HEAD_INITIALIZER(device_configs
);
2484 static void add_device_config(int type
, const char *cmdline
)
2486 struct device_config
*conf
;
2488 conf
= g_malloc0(sizeof(*conf
));
2490 conf
->cmdline
= cmdline
;
2491 loc_save(&conf
->loc
);
2492 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2495 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2497 struct device_config
*conf
;
2500 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2501 if (conf
->type
!= type
)
2503 loc_push_restore(&conf
->loc
);
2504 rc
= func(conf
->cmdline
);
2505 loc_pop(&conf
->loc
);
2512 static int serial_parse(const char *devname
)
2514 static int index
= 0;
2517 if (strcmp(devname
, "none") == 0)
2519 if (index
== MAX_SERIAL_PORTS
) {
2520 fprintf(stderr
, "qemu: too many serial ports\n");
2523 snprintf(label
, sizeof(label
), "serial%d", index
);
2524 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2525 if (!serial_hds
[index
]) {
2526 fprintf(stderr
, "qemu: could not connect serial device"
2527 " to character backend '%s'\n", devname
);
2534 static int parallel_parse(const char *devname
)
2536 static int index
= 0;
2539 if (strcmp(devname
, "none") == 0)
2541 if (index
== MAX_PARALLEL_PORTS
) {
2542 fprintf(stderr
, "qemu: too many parallel ports\n");
2545 snprintf(label
, sizeof(label
), "parallel%d", index
);
2546 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2547 if (!parallel_hds
[index
]) {
2548 fprintf(stderr
, "qemu: could not connect parallel device"
2549 " to character backend '%s'\n", devname
);
2556 static int virtcon_parse(const char *devname
)
2558 QemuOptsList
*device
= qemu_find_opts("device");
2559 static int index
= 0;
2561 QemuOpts
*bus_opts
, *dev_opts
;
2563 if (strcmp(devname
, "none") == 0)
2565 if (index
== MAX_VIRTIO_CONSOLES
) {
2566 fprintf(stderr
, "qemu: too many virtio consoles\n");
2570 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2571 if (arch_type
== QEMU_ARCH_S390X
) {
2572 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2574 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2577 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2578 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2580 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2581 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2582 if (!virtcon_hds
[index
]) {
2583 fprintf(stderr
, "qemu: could not connect virtio console"
2584 " to character backend '%s'\n", devname
);
2587 qemu_opt_set(dev_opts
, "chardev", label
);
2593 static int sclp_parse(const char *devname
)
2595 QemuOptsList
*device
= qemu_find_opts("device");
2596 static int index
= 0;
2600 if (strcmp(devname
, "none") == 0) {
2603 if (index
== MAX_SCLP_CONSOLES
) {
2604 fprintf(stderr
, "qemu: too many sclp consoles\n");
2608 assert(arch_type
== QEMU_ARCH_S390X
);
2610 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2611 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2613 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2614 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2615 if (!sclp_hds
[index
]) {
2616 fprintf(stderr
, "qemu: could not connect sclp console"
2617 " to character backend '%s'\n", devname
);
2620 qemu_opt_set(dev_opts
, "chardev", label
);
2626 static int debugcon_parse(const char *devname
)
2630 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2633 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2635 fprintf(stderr
, "qemu: already have a debugcon device\n");
2638 qemu_opt_set(opts
, "driver", "isa-debugcon");
2639 qemu_opt_set(opts
, "chardev", "debugcon");
2643 static MachineClass
*machine_parse(const char *name
)
2645 MachineClass
*mc
= NULL
;
2646 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2649 mc
= find_machine(name
);
2654 if (name
&& !is_help_option(name
)) {
2655 error_report("Unsupported machine type");
2656 error_printf("Use -machine help to list supported machines!\n");
2658 printf("Supported machines are:\n");
2659 for (el
= machines
; el
; el
= el
->next
) {
2660 MachineClass
*mc
= el
->data
;
2661 QEMUMachine
*m
= mc
->qemu_machine
;
2663 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2665 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2666 m
->is_default
? " (default)" : "");
2670 g_slist_free(machines
);
2671 exit(!name
|| !is_help_option(name
));
2674 static int tcg_init(QEMUMachine
*machine
)
2676 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2681 const char *opt_name
;
2683 int (*available
)(void);
2684 int (*init
)(QEMUMachine
*);
2687 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2688 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2689 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2690 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2693 static int configure_accelerator(QEMUMachine
*machine
)
2698 bool accel_initialised
= false;
2699 bool init_failed
= false;
2701 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2703 /* Use the default "accelerator", tcg */
2707 while (!accel_initialised
&& *p
!= '\0') {
2711 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2712 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2713 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2714 if (!accel_list
[i
].available()) {
2715 printf("%s not supported for this target\n",
2716 accel_list
[i
].name
);
2719 *(accel_list
[i
].allowed
) = true;
2720 ret
= accel_list
[i
].init(machine
);
2723 fprintf(stderr
, "failed to initialize %s: %s\n",
2726 *(accel_list
[i
].allowed
) = false;
2728 accel_initialised
= true;
2733 if (i
== ARRAY_SIZE(accel_list
)) {
2734 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2738 if (!accel_initialised
) {
2740 fprintf(stderr
, "No accelerator found!\n");
2746 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2749 return !accel_initialised
;
2752 void qemu_add_exit_notifier(Notifier
*notify
)
2754 notifier_list_add(&exit_notifiers
, notify
);
2757 void qemu_remove_exit_notifier(Notifier
*notify
)
2759 notifier_remove(notify
);
2762 static void qemu_run_exit_notifiers(void)
2764 notifier_list_notify(&exit_notifiers
, NULL
);
2767 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2769 notifier_list_add(&machine_init_done_notifiers
, notify
);
2772 static void qemu_run_machine_init_done_notifiers(void)
2774 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2777 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2778 const char **poptarg
, int *poptind
)
2780 const QEMUOption
*popt
;
2781 int optind
= *poptind
;
2782 char *r
= argv
[optind
];
2785 loc_set_cmdline(argv
, optind
, 1);
2787 /* Treat --foo the same as -foo. */
2790 popt
= qemu_options
;
2793 error_report("invalid option");
2796 if (!strcmp(popt
->name
, r
+ 1))
2800 if (popt
->flags
& HAS_ARG
) {
2801 if (optind
>= argc
) {
2802 error_report("requires an argument");
2805 optarg
= argv
[optind
++];
2806 loc_set_cmdline(argv
, optind
- 2, 2);
2817 static gpointer
malloc_and_trace(gsize n_bytes
)
2819 void *ptr
= malloc(n_bytes
);
2820 trace_g_malloc(n_bytes
, ptr
);
2824 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2826 void *ptr
= realloc(mem
, n_bytes
);
2827 trace_g_realloc(mem
, n_bytes
, ptr
);
2831 static void free_and_trace(gpointer mem
)
2837 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2839 Object
*obj
= OBJECT(opaque
);
2840 StringInputVisitor
*siv
;
2841 Error
*local_err
= NULL
;
2843 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2847 siv
= string_input_visitor_new(value
);
2848 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2849 string_input_visitor_cleanup(siv
);
2852 qerror_report_err(local_err
);
2853 error_free(local_err
);
2860 static int object_create(QemuOpts
*opts
, void *opaque
)
2862 const char *type
= qemu_opt_get(opts
, "qom-type");
2863 const char *id
= qemu_opts_id(opts
);
2864 Error
*local_err
= NULL
;
2867 g_assert(type
!= NULL
);
2870 qerror_report(QERR_MISSING_PARAMETER
, "id");
2874 obj
= object_new(type
);
2875 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2880 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2881 error_setg(&local_err
, "object '%s' isn't supported by -object",
2886 user_creatable_complete(obj
, &local_err
);
2891 object_property_add_child(container_get(object_get_root(), "/objects"),
2892 id
, obj
, &local_err
);
2897 qerror_report_err(local_err
);
2898 error_free(local_err
);
2904 int main(int argc
, char **argv
, char **envp
)
2907 int snapshot
, linux_boot
;
2908 const char *icount_option
= NULL
;
2909 const char *initrd_filename
;
2910 const char *kernel_filename
, *kernel_cmdline
;
2911 const char *boot_order
;
2913 int cyls
, heads
, secs
, translation
;
2914 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2915 QemuOptsList
*olist
;
2918 const char *loadvm
= NULL
;
2919 MachineClass
*machine_class
;
2920 QEMUMachine
*machine
;
2921 const char *cpu_model
;
2922 const char *vga_model
= NULL
;
2923 const char *qtest_chrdev
= NULL
;
2924 const char *qtest_log
= NULL
;
2925 const char *pid_file
= NULL
;
2926 const char *incoming
= NULL
;
2928 int show_vnc_port
= 0;
2930 bool defconfig
= true;
2931 bool userconfig
= true;
2932 const char *log_mask
= NULL
;
2933 const char *log_file
= NULL
;
2934 GMemVTable mem_trace
= {
2935 .malloc
= malloc_and_trace
,
2936 .realloc
= realloc_and_trace
,
2937 .free
= free_and_trace
,
2939 const char *trace_events
= NULL
;
2940 const char *trace_file
= NULL
;
2942 atexit(qemu_run_exit_notifiers
);
2943 error_set_progname(argv
[0]);
2944 qemu_init_exec_dir(argv
[0]);
2946 g_mem_set_vtable(&mem_trace
);
2947 if (!g_thread_supported()) {
2948 #if !GLIB_CHECK_VERSION(2, 31, 0)
2949 g_thread_init(NULL
);
2951 fprintf(stderr
, "glib threading failed to initialize.\n");
2956 module_call_init(MODULE_INIT_QOM
);
2958 qemu_add_opts(&qemu_drive_opts
);
2959 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2960 qemu_add_drive_opts(&qemu_common_drive_opts
);
2961 qemu_add_drive_opts(&qemu_drive_opts
);
2962 qemu_add_opts(&qemu_chardev_opts
);
2963 qemu_add_opts(&qemu_device_opts
);
2964 qemu_add_opts(&qemu_netdev_opts
);
2965 qemu_add_opts(&qemu_net_opts
);
2966 qemu_add_opts(&qemu_rtc_opts
);
2967 qemu_add_opts(&qemu_global_opts
);
2968 qemu_add_opts(&qemu_mon_opts
);
2969 qemu_add_opts(&qemu_trace_opts
);
2970 qemu_add_opts(&qemu_option_rom_opts
);
2971 qemu_add_opts(&qemu_machine_opts
);
2972 qemu_add_opts(&qemu_smp_opts
);
2973 qemu_add_opts(&qemu_boot_opts
);
2974 qemu_add_opts(&qemu_sandbox_opts
);
2975 qemu_add_opts(&qemu_add_fd_opts
);
2976 qemu_add_opts(&qemu_object_opts
);
2977 qemu_add_opts(&qemu_tpmdev_opts
);
2978 qemu_add_opts(&qemu_realtime_opts
);
2979 qemu_add_opts(&qemu_msg_opts
);
2980 qemu_add_opts(&qemu_name_opts
);
2985 rtc_clock
= QEMU_CLOCK_HOST
;
2987 qemu_init_auxval(envp
);
2988 qemu_cache_utils_init();
2990 QLIST_INIT (&vm_change_state_head
);
2991 os_setup_early_signal_handling();
2993 module_call_init(MODULE_INIT_MACHINE
);
2994 machine_class
= find_default_machine();
2998 cyls
= heads
= secs
= 0;
2999 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3001 for (i
= 0; i
< MAX_NODES
; i
++) {
3003 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
3009 bdrv_init_with_whitelist();
3013 /* first pass of option parsing */
3015 while (optind
< argc
) {
3016 if (argv
[optind
][0] != '-') {
3021 const QEMUOption
*popt
;
3023 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3024 switch (popt
->index
) {
3025 case QEMU_OPTION_nodefconfig
:
3028 case QEMU_OPTION_nouserconfig
:
3037 ret
= qemu_read_default_config_files(userconfig
);
3043 /* second pass of option parsing */
3048 if (argv
[optind
][0] != '-') {
3049 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3051 const QEMUOption
*popt
;
3053 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3054 if (!(popt
->arch_mask
& arch_type
)) {
3055 printf("Option %s not supported for this target\n", popt
->name
);
3058 switch(popt
->index
) {
3060 machine_class
= machine_parse(optarg
);
3062 case QEMU_OPTION_no_kvm_irqchip
: {
3063 olist
= qemu_find_opts("machine");
3064 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3067 case QEMU_OPTION_cpu
:
3068 /* hw initialization will check this */
3071 case QEMU_OPTION_hda
:
3075 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3077 snprintf(buf
, sizeof(buf
),
3078 "%s,cyls=%d,heads=%d,secs=%d%s",
3079 HD_OPTS
, cyls
, heads
, secs
,
3080 translation
== BIOS_ATA_TRANSLATION_LBA
?
3082 translation
== BIOS_ATA_TRANSLATION_NONE
?
3083 ",trans=none" : "");
3084 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3087 case QEMU_OPTION_hdb
:
3088 case QEMU_OPTION_hdc
:
3089 case QEMU_OPTION_hdd
:
3090 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3093 case QEMU_OPTION_drive
:
3094 if (drive_def(optarg
) == NULL
) {
3098 case QEMU_OPTION_set
:
3099 if (qemu_set_option(optarg
) != 0)
3102 case QEMU_OPTION_global
:
3103 if (qemu_global_option(optarg
) != 0)
3106 case QEMU_OPTION_mtdblock
:
3107 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3109 case QEMU_OPTION_sd
:
3110 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3112 case QEMU_OPTION_pflash
:
3113 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3115 case QEMU_OPTION_snapshot
:
3118 case QEMU_OPTION_hdachs
:
3122 cyls
= strtol(p
, (char **)&p
, 0);
3123 if (cyls
< 1 || cyls
> 16383)
3128 heads
= strtol(p
, (char **)&p
, 0);
3129 if (heads
< 1 || heads
> 16)
3134 secs
= strtol(p
, (char **)&p
, 0);
3135 if (secs
< 1 || secs
> 63)
3139 if (!strcmp(p
, "large")) {
3140 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3141 } else if (!strcmp(p
, "rechs")) {
3142 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3143 } else if (!strcmp(p
, "none")) {
3144 translation
= BIOS_ATA_TRANSLATION_NONE
;
3145 } else if (!strcmp(p
, "lba")) {
3146 translation
= BIOS_ATA_TRANSLATION_LBA
;
3147 } else if (!strcmp(p
, "auto")) {
3148 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3152 } else if (*p
!= '\0') {
3154 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3157 if (hda_opts
!= NULL
) {
3159 snprintf(num
, sizeof(num
), "%d", cyls
);
3160 qemu_opt_set(hda_opts
, "cyls", num
);
3161 snprintf(num
, sizeof(num
), "%d", heads
);
3162 qemu_opt_set(hda_opts
, "heads", num
);
3163 snprintf(num
, sizeof(num
), "%d", secs
);
3164 qemu_opt_set(hda_opts
, "secs", num
);
3165 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3166 qemu_opt_set(hda_opts
, "trans", "large");
3167 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3168 qemu_opt_set(hda_opts
, "trans", "rechs");
3169 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3170 qemu_opt_set(hda_opts
, "trans", "lba");
3171 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3172 qemu_opt_set(hda_opts
, "trans", "none");
3177 case QEMU_OPTION_numa
:
3180 case QEMU_OPTION_display
:
3181 display_type
= select_display(optarg
);
3183 case QEMU_OPTION_nographic
:
3184 display_type
= DT_NOGRAPHIC
;
3186 case QEMU_OPTION_curses
:
3187 #ifdef CONFIG_CURSES
3188 display_type
= DT_CURSES
;
3190 fprintf(stderr
, "Curses support is disabled\n");
3194 case QEMU_OPTION_portrait
:
3195 graphic_rotate
= 90;
3197 case QEMU_OPTION_rotate
:
3198 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3199 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3200 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3202 "qemu: only 90, 180, 270 deg rotation is available\n");
3206 case QEMU_OPTION_kernel
:
3207 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3209 case QEMU_OPTION_initrd
:
3210 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3212 case QEMU_OPTION_append
:
3213 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3215 case QEMU_OPTION_dtb
:
3216 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3218 case QEMU_OPTION_cdrom
:
3219 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3221 case QEMU_OPTION_boot
:
3222 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3227 case QEMU_OPTION_fda
:
3228 case QEMU_OPTION_fdb
:
3229 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3232 case QEMU_OPTION_no_fd_bootchk
:
3235 case QEMU_OPTION_netdev
:
3236 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3240 case QEMU_OPTION_net
:
3241 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3245 #ifdef CONFIG_LIBISCSI
3246 case QEMU_OPTION_iscsi
:
3247 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3254 case QEMU_OPTION_tftp
:
3255 legacy_tftp_prefix
= optarg
;
3257 case QEMU_OPTION_bootp
:
3258 legacy_bootp_filename
= optarg
;
3260 case QEMU_OPTION_redir
:
3261 if (net_slirp_redir(optarg
) < 0)
3265 case QEMU_OPTION_bt
:
3266 add_device_config(DEV_BT
, optarg
);
3268 case QEMU_OPTION_audio_help
:
3272 case QEMU_OPTION_soundhw
:
3273 select_soundhw (optarg
);
3278 case QEMU_OPTION_version
:
3282 case QEMU_OPTION_m
: {
3287 value
= strtosz(optarg
, &end
);
3288 if (value
< 0 || *end
) {
3289 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3292 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3294 if (ram_size
!= sz
) {
3295 fprintf(stderr
, "qemu: ram size too large\n");
3301 case QEMU_OPTION_tpmdev
:
3302 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3307 case QEMU_OPTION_mempath
:
3310 case QEMU_OPTION_mem_prealloc
:
3320 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3322 case QEMU_OPTION_gdb
:
3323 add_device_config(DEV_GDB
, optarg
);
3326 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3327 data_dir
[data_dir_idx
++] = optarg
;
3330 case QEMU_OPTION_bios
:
3331 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3333 case QEMU_OPTION_singlestep
:
3340 keyboard_layout
= optarg
;
3342 case QEMU_OPTION_localtime
:
3345 case QEMU_OPTION_vga
:
3354 w
= strtol(p
, (char **)&p
, 10);
3357 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3363 h
= strtol(p
, (char **)&p
, 10);
3368 depth
= strtol(p
, (char **)&p
, 10);
3369 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3370 depth
!= 24 && depth
!= 32)
3372 } else if (*p
== '\0') {
3373 depth
= graphic_depth
;
3380 graphic_depth
= depth
;
3383 case QEMU_OPTION_echr
:
3386 term_escape_char
= strtol(optarg
, &r
, 0);
3388 printf("Bad argument to echr\n");
3391 case QEMU_OPTION_monitor
:
3392 default_monitor
= 0;
3393 if (strncmp(optarg
, "none", 4)) {
3394 monitor_parse(optarg
, "readline");
3397 case QEMU_OPTION_qmp
:
3398 monitor_parse(optarg
, "control");
3399 default_monitor
= 0;
3401 case QEMU_OPTION_mon
:
3402 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3406 default_monitor
= 0;
3408 case QEMU_OPTION_chardev
:
3409 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3414 case QEMU_OPTION_fsdev
:
3415 olist
= qemu_find_opts("fsdev");
3417 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3420 opts
= qemu_opts_parse(olist
, optarg
, 1);
3425 case QEMU_OPTION_virtfs
: {
3428 const char *writeout
, *sock_fd
, *socket
;
3430 olist
= qemu_find_opts("virtfs");
3432 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3435 opts
= qemu_opts_parse(olist
, optarg
, 1);
3440 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3441 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3442 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3445 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3446 qemu_opt_get(opts
, "mount_tag"),
3449 fprintf(stderr
, "duplicate fsdev id: %s\n",
3450 qemu_opt_get(opts
, "mount_tag"));
3454 writeout
= qemu_opt_get(opts
, "writeout");
3456 #ifdef CONFIG_SYNC_FILE_RANGE
3457 qemu_opt_set(fsdev
, "writeout", writeout
);
3459 fprintf(stderr
, "writeout=immediate not supported on "
3464 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3465 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3466 qemu_opt_set(fsdev
, "security_model",
3467 qemu_opt_get(opts
, "security_model"));
3468 socket
= qemu_opt_get(opts
, "socket");
3470 qemu_opt_set(fsdev
, "socket", socket
);
3472 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3474 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3477 qemu_opt_set_bool(fsdev
, "readonly",
3478 qemu_opt_get_bool(opts
, "readonly", 0));
3479 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3481 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3482 qemu_opt_set(device
, "fsdev",
3483 qemu_opt_get(opts
, "mount_tag"));
3484 qemu_opt_set(device
, "mount_tag",
3485 qemu_opt_get(opts
, "mount_tag"));
3488 case QEMU_OPTION_virtfs_synth
: {
3492 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3495 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3498 qemu_opt_set(fsdev
, "fsdriver", "synth");
3500 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3502 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3503 qemu_opt_set(device
, "fsdev", "v_synth");
3504 qemu_opt_set(device
, "mount_tag", "v_synth");
3507 case QEMU_OPTION_serial
:
3508 add_device_config(DEV_SERIAL
, optarg
);
3510 if (strncmp(optarg
, "mon:", 4) == 0) {
3511 default_monitor
= 0;
3514 case QEMU_OPTION_watchdog
:
3517 "qemu: only one watchdog option may be given\n");
3522 case QEMU_OPTION_watchdog_action
:
3523 if (select_watchdog_action(optarg
) == -1) {
3524 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3528 case QEMU_OPTION_virtiocon
:
3529 add_device_config(DEV_VIRTCON
, optarg
);
3530 default_virtcon
= 0;
3531 if (strncmp(optarg
, "mon:", 4) == 0) {
3532 default_monitor
= 0;
3535 case QEMU_OPTION_parallel
:
3536 add_device_config(DEV_PARALLEL
, optarg
);
3537 default_parallel
= 0;
3538 if (strncmp(optarg
, "mon:", 4) == 0) {
3539 default_monitor
= 0;
3542 case QEMU_OPTION_debugcon
:
3543 add_device_config(DEV_DEBUGCON
, optarg
);
3545 case QEMU_OPTION_loadvm
:
3548 case QEMU_OPTION_full_screen
:
3551 case QEMU_OPTION_no_frame
:
3554 case QEMU_OPTION_alt_grab
:
3557 case QEMU_OPTION_ctrl_grab
:
3560 case QEMU_OPTION_no_quit
:
3563 case QEMU_OPTION_sdl
:
3565 display_type
= DT_SDL
;
3568 fprintf(stderr
, "SDL support is disabled\n");
3571 case QEMU_OPTION_pidfile
:
3574 case QEMU_OPTION_win2k_hack
:
3575 win2k_install_hack
= 1;
3577 case QEMU_OPTION_rtc_td_hack
: {
3578 static GlobalProperty slew_lost_ticks
[] = {
3580 .driver
= "mc146818rtc",
3581 .property
= "lost_tick_policy",
3584 { /* end of list */ }
3587 qdev_prop_register_global_list(slew_lost_ticks
);
3590 case QEMU_OPTION_acpitable
:
3591 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3595 do_acpitable_option(opts
);
3597 case QEMU_OPTION_smbios
:
3598 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3602 do_smbios_option(opts
);
3604 case QEMU_OPTION_enable_kvm
:
3605 olist
= qemu_find_opts("machine");
3606 qemu_opts_parse(olist
, "accel=kvm", 0);
3608 case QEMU_OPTION_machine
:
3609 olist
= qemu_find_opts("machine");
3610 opts
= qemu_opts_parse(olist
, optarg
, 1);
3614 optarg
= qemu_opt_get(opts
, "type");
3616 machine_class
= machine_parse(optarg
);
3619 case QEMU_OPTION_no_kvm
:
3620 olist
= qemu_find_opts("machine");
3621 qemu_opts_parse(olist
, "accel=tcg", 0);
3623 case QEMU_OPTION_no_kvm_pit
: {
3624 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3628 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3629 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3631 .driver
= "kvm-pit",
3632 .property
= "lost_tick_policy",
3635 { /* end of list */ }
3638 fprintf(stderr
, "Warning: option deprecated, use "
3639 "lost_tick_policy property of kvm-pit instead.\n");
3640 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3643 case QEMU_OPTION_usb
:
3644 olist
= qemu_find_opts("machine");
3645 qemu_opts_parse(olist
, "usb=on", 0);
3647 case QEMU_OPTION_usbdevice
:
3648 olist
= qemu_find_opts("machine");
3649 qemu_opts_parse(olist
, "usb=on", 0);
3650 add_device_config(DEV_USB
, optarg
);
3652 case QEMU_OPTION_device
:
3653 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3657 case QEMU_OPTION_smp
:
3658 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3662 case QEMU_OPTION_vnc
:
3665 vnc_display
= optarg
;
3667 fprintf(stderr
, "VNC support is disabled\n");
3671 case QEMU_OPTION_no_acpi
:
3674 case QEMU_OPTION_no_hpet
:
3677 case QEMU_OPTION_balloon
:
3678 if (balloon_parse(optarg
) < 0) {
3679 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3683 case QEMU_OPTION_no_reboot
:
3686 case QEMU_OPTION_no_shutdown
:
3689 case QEMU_OPTION_show_cursor
:
3692 case QEMU_OPTION_uuid
:
3693 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3694 fprintf(stderr
, "Fail to parse UUID string."
3695 " Wrong format.\n");
3698 qemu_uuid_set
= true;
3700 case QEMU_OPTION_option_rom
:
3701 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3702 fprintf(stderr
, "Too many option ROMs\n");
3705 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3709 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3710 option_rom
[nb_option_roms
].bootindex
=
3711 qemu_opt_get_number(opts
, "bootindex", -1);
3712 if (!option_rom
[nb_option_roms
].name
) {
3713 fprintf(stderr
, "Option ROM file is not specified\n");
3718 case QEMU_OPTION_semihosting
:
3719 semihosting_enabled
= 1;
3721 case QEMU_OPTION_tdf
:
3722 fprintf(stderr
, "Warning: user space PIT time drift fix "
3723 "is no longer supported.\n");
3725 case QEMU_OPTION_name
:
3726 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3732 case QEMU_OPTION_prom_env
:
3733 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3734 fprintf(stderr
, "Too many prom variables\n");
3737 prom_envs
[nb_prom_envs
] = optarg
;
3740 case QEMU_OPTION_old_param
:
3743 case QEMU_OPTION_clock
:
3744 /* Clock options no longer exist. Keep this option for
3745 * backward compatibility.
3748 case QEMU_OPTION_startdate
:
3749 configure_rtc_date_offset(optarg
, 1);
3751 case QEMU_OPTION_rtc
:
3752 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3756 configure_rtc(opts
);
3758 case QEMU_OPTION_tb_size
:
3759 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3760 if (tcg_tb_size
< 0) {
3764 case QEMU_OPTION_icount
:
3765 icount_option
= optarg
;
3767 case QEMU_OPTION_incoming
:
3769 runstate_set(RUN_STATE_INMIGRATE
);
3771 case QEMU_OPTION_nodefaults
:
3774 case QEMU_OPTION_xen_domid
:
3775 if (!(xen_available())) {
3776 printf("Option %s not supported for this target\n", popt
->name
);
3779 xen_domid
= atoi(optarg
);
3781 case QEMU_OPTION_xen_create
:
3782 if (!(xen_available())) {
3783 printf("Option %s not supported for this target\n", popt
->name
);
3786 xen_mode
= XEN_CREATE
;
3788 case QEMU_OPTION_xen_attach
:
3789 if (!(xen_available())) {
3790 printf("Option %s not supported for this target\n", popt
->name
);
3793 xen_mode
= XEN_ATTACH
;
3795 case QEMU_OPTION_trace
:
3797 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3801 trace_events
= qemu_opt_get(opts
, "events");
3802 trace_file
= qemu_opt_get(opts
, "file");
3805 case QEMU_OPTION_readconfig
:
3807 int ret
= qemu_read_config_file(optarg
);
3809 fprintf(stderr
, "read config %s: %s\n", optarg
,
3815 case QEMU_OPTION_spice
:
3816 olist
= qemu_find_opts("spice");
3818 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3821 opts
= qemu_opts_parse(olist
, optarg
, 0);
3827 case QEMU_OPTION_writeconfig
:
3830 if (strcmp(optarg
, "-") == 0) {
3833 fp
= fopen(optarg
, "w");
3835 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3839 qemu_config_write(fp
);
3843 case QEMU_OPTION_qtest
:
3844 qtest_chrdev
= optarg
;
3846 case QEMU_OPTION_qtest_log
:
3849 case QEMU_OPTION_sandbox
:
3850 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3855 case QEMU_OPTION_add_fd
:
3857 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3862 error_report("File descriptor passing is disabled on this "
3867 case QEMU_OPTION_object
:
3868 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3873 case QEMU_OPTION_realtime
:
3874 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3878 configure_realtime(opts
);
3880 case QEMU_OPTION_msg
:
3881 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3885 configure_msg(opts
);
3888 os_parse_cmd_args(popt
->index
, optarg
);
3894 if (qemu_init_main_loop()) {
3895 fprintf(stderr
, "qemu_init_main_loop failed\n");
3899 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3904 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3908 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3913 if (machine_class
== NULL
) {
3914 fprintf(stderr
, "No machine found.\n");
3918 current_machine
= MACHINE(object_new(object_class_get_name(
3919 OBJECT_CLASS(machine_class
))));
3920 object_property_add_child(object_get_root(), "machine",
3921 OBJECT(current_machine
), &error_abort
);
3923 machine
= machine_class
->qemu_machine
;
3924 if (machine
->hw_version
) {
3925 qemu_set_version(machine
->hw_version
);
3928 if (qemu_opts_foreach(qemu_find_opts("object"),
3929 object_create
, NULL
, 0) != 0) {
3933 /* Init CPU def lists, based on config
3934 * - Must be called after all the qemu_read_config_file() calls
3935 * - Must be called before list_cpus()
3936 * - Must be called before machine->init()
3940 if (cpu_model
&& is_help_option(cpu_model
)) {
3941 list_cpus(stdout
, &fprintf
, cpu_model
);
3945 /* Open the logfile at this point, if necessary. We can't open the logfile
3946 * when encountering either of the logging options (-d or -D) because the
3947 * other one may be encountered later on the command line, changing the
3948 * location or level of logging.
3953 qemu_set_log_filename(log_file
);
3956 mask
= qemu_str_to_log_mask(log_mask
);
3958 qemu_print_log_usage(stdout
);
3964 if (!is_daemonized()) {
3965 if (!trace_backend_init(trace_events
, trace_file
)) {
3970 /* If no data_dir is specified then try to find it relative to the
3972 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3973 data_dir
[data_dir_idx
] = os_find_datadir();
3974 if (data_dir
[data_dir_idx
] != NULL
) {
3978 /* If all else fails use the install path specified when building. */
3979 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3980 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3983 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3985 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3986 if (smp_cpus
> machine
->max_cpus
) {
3987 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3988 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3994 * Get the default machine options from the machine if it is not already
3995 * specified either by the configuration file or by the command line.
3997 if (machine
->default_machine_opts
) {
3998 qemu_opts_set_defaults(qemu_find_opts("machine"),
3999 machine
->default_machine_opts
, 0);
4002 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4003 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4005 if (!vga_model
&& !default_vga
) {
4006 vga_interface_type
= VGA_DEVICE
;
4008 if (!has_defaults
|| machine
->no_serial
) {
4011 if (!has_defaults
|| machine
->no_parallel
) {
4012 default_parallel
= 0;
4014 if (!has_defaults
|| !machine
->use_virtcon
) {
4015 default_virtcon
= 0;
4017 if (!has_defaults
|| !machine
->use_sclp
) {
4020 if (!has_defaults
|| machine
->no_floppy
) {
4023 if (!has_defaults
|| machine
->no_cdrom
) {
4026 if (!has_defaults
|| machine
->no_sdcard
) {
4029 if (!has_defaults
) {
4030 default_monitor
= 0;
4035 if (is_daemonized()) {
4036 /* According to documentation and historically, -nographic redirects
4037 * serial port, parallel port and monitor to stdio, which does not work
4038 * with -daemonize. We can redirect these to null instead, but since
4039 * -nographic is legacy, let's just error out.
4040 * We disallow -nographic only if all other ports are not redirected
4041 * explicitly, to not break existing legacy setups which uses
4042 * -nographic _and_ redirects all ports explicitly - this is valid
4043 * usage, -nographic is just a no-op in this case.
4045 if (display_type
== DT_NOGRAPHIC
4046 && (default_parallel
|| default_serial
4047 || default_monitor
|| default_virtcon
)) {
4048 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4051 #ifdef CONFIG_CURSES
4052 if (display_type
== DT_CURSES
) {
4053 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4059 if (display_type
== DT_NOGRAPHIC
) {
4060 if (default_parallel
)
4061 add_device_config(DEV_PARALLEL
, "null");
4062 if (default_serial
&& default_monitor
) {
4063 add_device_config(DEV_SERIAL
, "mon:stdio");
4064 } else if (default_virtcon
&& default_monitor
) {
4065 add_device_config(DEV_VIRTCON
, "mon:stdio");
4066 } else if (default_sclp
&& default_monitor
) {
4067 add_device_config(DEV_SCLP
, "mon:stdio");
4070 add_device_config(DEV_SERIAL
, "stdio");
4071 if (default_virtcon
)
4072 add_device_config(DEV_VIRTCON
, "stdio");
4074 add_device_config(DEV_SCLP
, "stdio");
4076 if (default_monitor
)
4077 monitor_parse("stdio", "readline");
4081 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4082 if (default_parallel
)
4083 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4084 if (default_monitor
)
4085 monitor_parse("vc:80Cx24C", "readline");
4086 if (default_virtcon
)
4087 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4089 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4093 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4094 #if defined(CONFIG_GTK)
4095 display_type
= DT_GTK
;
4096 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4097 display_type
= DT_SDL
;
4098 #elif defined(CONFIG_VNC)
4099 vnc_display
= "localhost:0,to=99";
4102 display_type
= DT_NONE
;
4106 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4107 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4108 "for SDL, ignoring option\n");
4110 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4111 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4112 "ignoring option\n");
4115 #if defined(CONFIG_GTK)
4116 if (display_type
== DT_GTK
) {
4117 early_gtk_display_init();
4123 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4125 #ifdef CONFIG_VIRTFS
4126 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4133 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4138 /* init the memory */
4139 if (ram_size
== 0) {
4140 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4143 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4148 configure_accelerator(machine
);
4151 Error
*local_err
= NULL
;
4152 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4154 error_report("%s", error_get_pretty(local_err
));
4155 error_free(local_err
);
4160 machine_opts
= qemu_get_machine_opts();
4161 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4162 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4163 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4164 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4166 boot_order
= machine
->default_boot_order
;
4167 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4169 char *normal_boot_order
;
4170 const char *order
, *once
;
4172 order
= qemu_opt_get(opts
, "order");
4174 validate_bootdevices(order
);
4178 once
= qemu_opt_get(opts
, "once");
4180 validate_bootdevices(once
);
4181 normal_boot_order
= g_strdup(boot_order
);
4183 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4186 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4187 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4190 if (!kernel_cmdline
) {
4191 kernel_cmdline
= "";
4194 linux_boot
= (kernel_filename
!= NULL
);
4196 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4197 fprintf(stderr
, "-append only allowed with -kernel option\n");
4201 if (!linux_boot
&& initrd_filename
!= NULL
) {
4202 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4206 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4207 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4211 os_set_line_buffering();
4213 qemu_init_cpu_loop();
4214 qemu_mutex_lock_iothread();
4217 /* spice needs the timers to be initialized by this point */
4221 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4222 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4225 configure_icount(icount_option
);
4227 /* clean up network at qemu process termination */
4228 atexit(&net_cleanup
);
4230 if (net_init_clients() < 0) {
4235 if (tpm_init() < 0) {
4240 /* init the bluetooth world */
4241 if (foreach_device_config(DEV_BT
, bt_parse
))
4244 if (!xen_enabled()) {
4245 /* On 32-bit hosts, QEMU is limited by virtual address space */
4246 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4247 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4252 cpu_exec_init_all();
4256 /* open the virtual block devices */
4258 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4259 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4260 &machine
->block_default_type
, 1) != 0) {
4264 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4266 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4267 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4269 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4271 if (nb_numa_nodes
> 0) {
4274 if (nb_numa_nodes
> MAX_NODES
) {
4275 nb_numa_nodes
= MAX_NODES
;
4278 /* If no memory size if given for any node, assume the default case
4279 * and distribute the available memory equally across all nodes
4281 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4282 if (node_mem
[i
] != 0)
4285 if (i
== nb_numa_nodes
) {
4286 uint64_t usedmem
= 0;
4288 /* On Linux, the each node's border has to be 8MB aligned,
4289 * the final node gets the rest.
4291 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4292 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4293 usedmem
+= node_mem
[i
];
4295 node_mem
[i
] = ram_size
- usedmem
;
4298 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4299 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4303 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4304 * must cope with this anyway, because there are BIOSes out there in
4305 * real machines which also use this scheme.
4307 if (i
== nb_numa_nodes
) {
4308 for (i
= 0; i
< max_cpus
; i
++) {
4309 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4314 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4318 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4320 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4322 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4324 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4327 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4330 /* If no default VGA is requested, the default is "none". */
4332 if (cirrus_vga_available()) {
4333 vga_model
= "cirrus";
4334 } else if (vga_available()) {
4339 select_vgahw(vga_model
);
4343 i
= select_watchdog(watchdog
);
4345 exit (i
== 1 ? 1 : 0);
4348 if (machine
->compat_props
) {
4349 qdev_prop_register_global_list(machine
->compat_props
);
4353 qdev_machine_init();
4355 QEMUMachineInitArgs args
= { .machine
= machine
,
4356 .ram_size
= ram_size
,
4357 .boot_order
= boot_order
,
4358 .kernel_filename
= kernel_filename
,
4359 .kernel_cmdline
= kernel_cmdline
,
4360 .initrd_filename
= initrd_filename
,
4361 .cpu_model
= cpu_model
};
4363 current_machine
->init_args
= args
;
4364 machine
->init(¤t_machine
->init_args
);
4368 cpu_synchronize_all_post_init();
4372 /* init USB devices */
4373 if (usb_enabled(false)) {
4374 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4378 /* init generic devices */
4379 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4382 net_check_clients();
4384 ds
= init_displaystate();
4386 /* init local displays */
4387 switch (display_type
) {
4389 (void)ds
; /* avoid warning if no display is configured */
4391 #if defined(CONFIG_CURSES)
4393 curses_display_init(ds
, full_screen
);
4396 #if defined(CONFIG_SDL)
4398 sdl_display_init(ds
, full_screen
, no_frame
);
4400 #elif defined(CONFIG_COCOA)
4402 cocoa_display_init(ds
, full_screen
);
4405 #if defined(CONFIG_GTK)
4407 gtk_display_init(ds
, full_screen
);
4414 /* must be after terminal init, SDL library changes signal handlers */
4415 os_setup_signal_handling();
4418 /* init remote displays */
4420 Error
*local_err
= NULL
;
4421 vnc_display_init(ds
);
4422 vnc_display_open(ds
, vnc_display
, &local_err
);
4423 if (local_err
!= NULL
) {
4424 error_report("Failed to start VNC server on `%s': %s",
4425 vnc_display
, error_get_pretty(local_err
));
4426 error_free(local_err
);
4430 if (show_vnc_port
) {
4431 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4437 qemu_spice_display_init();
4441 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4445 qdev_machine_creation_done();
4447 if (rom_load_all() != 0) {
4448 fprintf(stderr
, "rom loading failed\n");
4452 /* TODO: once all bus devices are qdevified, this should be done
4453 * when bus is created by qdev.c */
4454 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4455 qemu_run_machine_init_done_notifiers();
4457 /* Done notifiers can load ROMs */
4460 qemu_system_reset(VMRESET_SILENT
);
4462 if (load_vmstate(loadvm
) < 0) {
4468 Error
*local_err
= NULL
;
4469 qemu_start_incoming_migration(incoming
, &local_err
);
4471 error_report("-incoming %s: %s", incoming
,
4472 error_get_pretty(local_err
));
4473 error_free(local_err
);
4476 } else if (autostart
) {
4482 if (is_daemonized()) {
4483 if (!trace_backend_init(trace_events
, trace_file
)) {