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 */
61 #include "qemu/sockets.h"
63 #include "hw/boards.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.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;
147 static bool grab_on_hover
;
149 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
150 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
151 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
152 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
153 int win2k_install_hack
= 0;
160 const char *vnc_display
;
162 int acpi_enabled
= 1;
165 static int no_reboot
;
168 int graphic_rotate
= 0;
169 const char *watchdog
;
170 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
172 int semihosting_enabled
= 0;
174 const char *qemu_name
;
177 unsigned int nb_prom_envs
= 0;
178 const char *prom_envs
[MAX_PROM_ENVS
];
180 static bool boot_strict
;
181 uint8_t *boot_splash_filedata
;
182 size_t boot_splash_filedata_size
;
183 uint8_t qemu_extra_params_fw
[2];
185 typedef struct FWBootEntry FWBootEntry
;
188 QTAILQ_ENTRY(FWBootEntry
) link
;
194 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
198 uint64_t node_mem
[MAX_NODES
];
199 unsigned long *node_cpumask
[MAX_NODES
];
201 uint8_t qemu_uuid
[16];
204 static QEMUBootSetHandler
*boot_set_handler
;
205 static void *boot_set_opaque
;
207 static NotifierList exit_notifiers
=
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
210 static NotifierList machine_init_done_notifiers
=
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
213 static bool tcg_allowed
= true;
216 enum xen_mode xen_mode
= XEN_EMULATE
;
217 static int tcg_tb_size
;
219 static int has_defaults
= 1;
220 static int default_serial
= 1;
221 static int default_parallel
= 1;
222 static int default_virtcon
= 1;
223 static int default_sclp
= 1;
224 static int default_monitor
= 1;
225 static int default_floppy
= 1;
226 static int default_cdrom
= 1;
227 static int default_sdcard
= 1;
228 static int default_vga
= 1;
234 { .driver
= "isa-serial", .flag
= &default_serial
},
235 { .driver
= "isa-parallel", .flag
= &default_parallel
},
236 { .driver
= "isa-fdc", .flag
= &default_floppy
},
237 { .driver
= "ide-cd", .flag
= &default_cdrom
},
238 { .driver
= "ide-hd", .flag
= &default_cdrom
},
239 { .driver
= "ide-drive", .flag
= &default_cdrom
},
240 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
241 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
242 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
243 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
244 { .driver
= "VGA", .flag
= &default_vga
},
245 { .driver
= "isa-vga", .flag
= &default_vga
},
246 { .driver
= "cirrus-vga", .flag
= &default_vga
},
247 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
248 { .driver
= "vmware-svga", .flag
= &default_vga
},
249 { .driver
= "qxl-vga", .flag
= &default_vga
},
252 static QemuOptsList qemu_rtc_opts
= {
254 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
258 .type
= QEMU_OPT_STRING
,
261 .type
= QEMU_OPT_STRING
,
264 .type
= QEMU_OPT_STRING
,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts
= {
272 .implied_opt_name
= "enable",
273 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
277 .type
= QEMU_OPT_BOOL
,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts
= {
285 .implied_opt_name
= "trace",
286 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
290 .type
= QEMU_OPT_STRING
,
293 .type
= QEMU_OPT_STRING
,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts
= {
300 .name
= "option-rom",
301 .implied_opt_name
= "romfile",
302 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
306 .type
= QEMU_OPT_NUMBER
,
309 .type
= QEMU_OPT_STRING
,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts
= {
317 .implied_opt_name
= "type",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
324 .help
= "emulated machine"
327 .type
= QEMU_OPT_STRING
,
328 .help
= "accelerator list",
330 .name
= "kernel_irqchip",
331 .type
= QEMU_OPT_BOOL
,
332 .help
= "use KVM in-kernel irqchip",
334 .name
= "kvm_shadow_mem",
335 .type
= QEMU_OPT_SIZE
,
336 .help
= "KVM shadow MMU size",
339 .type
= QEMU_OPT_STRING
,
340 .help
= "Linux kernel image file",
343 .type
= QEMU_OPT_STRING
,
344 .help
= "Linux initial ramdisk file",
347 .type
= QEMU_OPT_STRING
,
348 .help
= "Linux kernel command line",
351 .type
= QEMU_OPT_STRING
,
352 .help
= "Linux kernel device tree file",
355 .type
= QEMU_OPT_STRING
,
356 .help
= "Dump current dtb to a file and quit",
358 .name
= "phandle_start",
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "The first phandle ID we may generate dynamically",
362 .name
= "dt_compatible",
363 .type
= QEMU_OPT_STRING
,
364 .help
= "Overrides the \"compatible\" property of the dt root node",
366 .name
= "dump-guest-core",
367 .type
= QEMU_OPT_BOOL
,
368 .help
= "Include guest memory in a core dump",
371 .type
= QEMU_OPT_BOOL
,
372 .help
= "enable/disable memory merge support",
375 .type
= QEMU_OPT_BOOL
,
376 .help
= "Set on/off to enable/disable usb",
379 .type
= QEMU_OPT_STRING
,
380 .help
= "firmware image",
383 .type
= QEMU_OPT_STRING
,
384 .help
= "Specifies the KVM virtualization mode (HV, PR)",
386 { /* End of list */ }
390 static QemuOptsList qemu_boot_opts
= {
392 .implied_opt_name
= "order",
394 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
398 .type
= QEMU_OPT_STRING
,
401 .type
= QEMU_OPT_STRING
,
404 .type
= QEMU_OPT_BOOL
,
407 .type
= QEMU_OPT_STRING
,
409 .name
= "splash-time",
410 .type
= QEMU_OPT_STRING
,
412 .name
= "reboot-timeout",
413 .type
= QEMU_OPT_STRING
,
416 .type
= QEMU_OPT_BOOL
,
422 static QemuOptsList qemu_add_fd_opts
= {
424 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
428 .type
= QEMU_OPT_NUMBER
,
429 .help
= "file descriptor of which a duplicate is added to fd set",
432 .type
= QEMU_OPT_NUMBER
,
433 .help
= "ID of the fd set to add fd to",
436 .type
= QEMU_OPT_STRING
,
437 .help
= "free-form string used to describe fd",
439 { /* end of list */ }
443 static QemuOptsList qemu_object_opts
= {
445 .implied_opt_name
= "qom-type",
446 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
452 static QemuOptsList qemu_tpmdev_opts
= {
454 .implied_opt_name
= "type",
455 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
462 static QemuOptsList qemu_realtime_opts
= {
464 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
468 .type
= QEMU_OPT_BOOL
,
470 { /* end of list */ }
474 static QemuOptsList qemu_msg_opts
= {
476 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
480 .type
= QEMU_OPT_BOOL
,
482 { /* end of list */ }
486 static QemuOptsList qemu_name_opts
= {
488 .implied_opt_name
= "guest",
490 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
494 .type
= QEMU_OPT_STRING
,
495 .help
= "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
500 .type
= QEMU_OPT_STRING
,
501 .help
= "Sets the name of the QEMU process, as shown in top etc",
503 .name
= "debug-threads",
504 .type
= QEMU_OPT_BOOL
,
505 .help
= "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
509 { /* End of list */ }
514 * Get machine options
516 * Returns: machine options (never null).
518 QemuOpts
*qemu_get_machine_opts(void)
523 list
= qemu_find_opts("machine");
525 opts
= qemu_opts_find(list
, NULL
);
527 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
532 const char *qemu_get_vm_name(void)
537 static void res_free(void)
539 if (boot_splash_filedata
!= NULL
) {
540 g_free(boot_splash_filedata
);
541 boot_splash_filedata
= NULL
;
545 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
547 const char *driver
= qemu_opt_get(opts
, "driver");
552 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
553 if (strcmp(default_list
[i
].driver
, driver
) != 0)
555 *(default_list
[i
].flag
) = 0;
560 /***********************************************************/
563 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
568 } RunStateTransition
;
570 static const RunStateTransition runstate_transitions_def
[] = {
572 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
573 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
576 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
578 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
579 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
582 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
584 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
585 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
587 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
588 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
590 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
591 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
594 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
595 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
597 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
599 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
600 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
601 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
602 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
603 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
605 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
606 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
607 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
608 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
610 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
612 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
613 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
615 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
616 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
617 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
618 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
621 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
624 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_MAX
, RUN_STATE_MAX
},
629 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
631 bool runstate_check(RunState state
)
633 return current_run_state
== state
;
636 static void runstate_init(void)
638 const RunStateTransition
*p
;
640 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
642 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
643 runstate_valid_transitions
[p
->from
][p
->to
] = true;
647 /* This function will abort() on invalid state transitions */
648 void runstate_set(RunState new_state
)
650 assert(new_state
< RUN_STATE_MAX
);
652 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
653 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
654 RunState_lookup
[current_run_state
],
655 RunState_lookup
[new_state
]);
658 trace_runstate_set(new_state
);
659 current_run_state
= new_state
;
662 int runstate_is_running(void)
664 return runstate_check(RUN_STATE_RUNNING
);
667 bool runstate_needs_reset(void)
669 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
670 runstate_check(RUN_STATE_SHUTDOWN
);
673 StatusInfo
*qmp_query_status(Error
**errp
)
675 StatusInfo
*info
= g_malloc0(sizeof(*info
));
677 info
->running
= runstate_is_running();
678 info
->singlestep
= singlestep
;
679 info
->status
= current_run_state
;
684 /***********************************************************/
685 /* real time host monotonic timer */
687 /***********************************************************/
688 /* host time/date access */
689 void qemu_get_timedate(struct tm
*tm
, int offset
)
695 if (rtc_date_offset
== -1) {
699 localtime_r(&ti
, tm
);
701 ti
-= rtc_date_offset
;
706 int qemu_timedate_diff(struct tm
*tm
)
710 if (rtc_date_offset
== -1)
712 seconds
= mktimegm(tm
);
715 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
716 seconds
= mktime(&tmp
);
719 seconds
= mktimegm(tm
) + rtc_date_offset
;
721 return seconds
- time(NULL
);
724 void rtc_change_mon_event(struct tm
*tm
)
728 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
729 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
730 qobject_decref(data
);
733 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
735 time_t rtc_start_date
;
738 if (!strcmp(startdate
, "now") && legacy
) {
739 rtc_date_offset
= -1;
741 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
749 } else if (sscanf(startdate
, "%d-%d-%d",
761 rtc_start_date
= mktimegm(&tm
);
762 if (rtc_start_date
== -1) {
764 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
765 "'2006-06-17T16:01:21' or '2006-06-17'\n");
768 rtc_date_offset
= time(NULL
) - rtc_start_date
;
772 static void configure_rtc(QemuOpts
*opts
)
776 value
= qemu_opt_get(opts
, "base");
778 if (!strcmp(value
, "utc")) {
780 } else if (!strcmp(value
, "localtime")) {
783 configure_rtc_date_offset(value
, 0);
786 value
= qemu_opt_get(opts
, "clock");
788 if (!strcmp(value
, "host")) {
789 rtc_clock
= QEMU_CLOCK_HOST
;
790 } else if (!strcmp(value
, "rt")) {
791 rtc_clock
= QEMU_CLOCK_REALTIME
;
792 } else if (!strcmp(value
, "vm")) {
793 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
795 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
799 value
= qemu_opt_get(opts
, "driftfix");
801 if (!strcmp(value
, "slew")) {
802 static GlobalProperty slew_lost_ticks
[] = {
804 .driver
= "mc146818rtc",
805 .property
= "lost_tick_policy",
808 { /* end of list */ }
811 qdev_prop_register_global_list(slew_lost_ticks
);
812 } else if (!strcmp(value
, "none")) {
813 /* discard is default */
815 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
821 /***********************************************************/
822 /* Bluetooth support */
825 static struct HCIInfo
*hci_table
[MAX_NICS
];
827 struct HCIInfo
*qemu_next_hci(void)
829 if (cur_hci
== nb_hcis
)
832 return hci_table
[cur_hci
++];
835 static int bt_hci_parse(const char *str
)
840 if (nb_hcis
>= MAX_NICS
) {
841 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
854 bdaddr
.b
[5] = 0x56 + nb_hcis
;
855 hci
->bdaddr_set(hci
, bdaddr
.b
);
857 hci_table
[nb_hcis
++] = hci
;
862 static void bt_vhci_add(int vlan_id
)
864 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
867 fprintf(stderr
, "qemu: warning: adding a VHCI to "
868 "an empty scatternet %i\n", vlan_id
);
870 bt_vhci_init(bt_new_hci(vlan
));
873 static struct bt_device_s
*bt_device_add(const char *opt
)
875 struct bt_scatternet_s
*vlan
;
877 char *endp
= strstr(opt
, ",vlan=");
878 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
881 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
884 vlan_id
= strtol(endp
+ 6, &endp
, 0);
886 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
891 vlan
= qemu_find_bt_vlan(vlan_id
);
894 fprintf(stderr
, "qemu: warning: adding a slave device to "
895 "an empty scatternet %i\n", vlan_id
);
897 if (!strcmp(devname
, "keyboard"))
898 return bt_keyboard_init(vlan
);
900 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
904 static int bt_parse(const char *opt
)
906 const char *endp
, *p
;
909 if (strstart(opt
, "hci", &endp
)) {
910 if (!*endp
|| *endp
== ',') {
912 if (!strstart(endp
, ",vlan=", 0))
915 return bt_hci_parse(opt
);
917 } else if (strstart(opt
, "vhci", &endp
)) {
918 if (!*endp
|| *endp
== ',') {
920 if (strstart(endp
, ",vlan=", &p
)) {
921 vlan
= strtol(p
, (char **) &endp
, 0);
923 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
927 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
936 } else if (strstart(opt
, "device:", &endp
))
937 return !bt_device_add(endp
);
939 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
943 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
945 /* FIXME: change this to true for 1.3 */
946 if (qemu_opt_get_bool(opts
, "enable", false)) {
947 #ifdef CONFIG_SECCOMP
948 if (seccomp_start() < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
950 "failed to install seccomp syscall filter in the kernel");
954 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
955 "sandboxing request but seccomp is not compiled into this build");
963 static void parse_name(QemuOpts
*opts
)
965 const char *proc_name
;
967 if (qemu_opt_get(opts
, "debug-threads")) {
968 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
970 qemu_name
= qemu_opt_get(opts
, "guest");
972 proc_name
= qemu_opt_get(opts
, "process");
974 os_set_proc_name(proc_name
);
978 bool usb_enabled(bool default_usb
)
980 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
981 has_defaults
&& default_usb
);
985 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
987 int fd
, dupfd
, flags
;
989 const char *fd_opaque
= NULL
;
991 fd
= qemu_opt_get_number(opts
, "fd", -1);
992 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
993 fd_opaque
= qemu_opt_get(opts
, "opaque");
996 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
997 "fd option is required and must be non-negative");
1001 if (fd
<= STDERR_FILENO
) {
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1003 "fd cannot be a standard I/O stream");
1008 * All fds inherited across exec() necessarily have FD_CLOEXEC
1009 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1011 flags
= fcntl(fd
, F_GETFD
);
1012 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1014 "fd is not valid or already in use");
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1020 "set option is required and must be non-negative");
1024 #ifdef F_DUPFD_CLOEXEC
1025 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1029 qemu_set_cloexec(dupfd
);
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1034 "Error duplicating fd: %s", strerror(errno
));
1038 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1039 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1045 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1049 fd
= qemu_opt_get_number(opts
, "fd", -1);
1056 /***********************************************************/
1057 /* QEMU Block devices */
1059 #define HD_OPTS "media=disk"
1060 #define CDROM_OPTS "media=cdrom"
1062 #define PFLASH_OPTS ""
1066 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1068 BlockInterfaceType
*block_default_type
= opaque
;
1070 return drive_init(opts
, *block_default_type
) == NULL
;
1073 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1075 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1076 qemu_opt_set(opts
, "snapshot", "on");
1081 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1082 int index
, const char *optstr
)
1086 if (!enable
|| drive_get_by_index(type
, index
)) {
1090 opts
= drive_add(type
, index
, NULL
, optstr
);
1092 drive_enable_snapshot(opts
, NULL
);
1094 if (!drive_init(opts
, type
)) {
1099 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1101 boot_set_handler
= func
;
1102 boot_set_opaque
= opaque
;
1105 int qemu_boot_set(const char *boot_order
)
1107 if (!boot_set_handler
) {
1110 return boot_set_handler(boot_set_opaque
, boot_order
);
1113 static void validate_bootdevices(const char *devices
)
1115 /* We just do some generic consistency checks */
1119 for (p
= devices
; *p
!= '\0'; p
++) {
1120 /* Allowed boot devices are:
1121 * a-b: floppy disk drives
1122 * c-f: IDE disk drives
1123 * g-m: machine implementation dependent drives
1124 * n-p: network devices
1125 * It's up to each machine implementation to check if the given boot
1126 * devices match the actual hardware implementation and firmware
1129 if (*p
< 'a' || *p
> 'p') {
1130 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1133 if (bitmap
& (1 << (*p
- 'a'))) {
1134 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1137 bitmap
|= 1 << (*p
- 'a');
1141 static void restore_boot_order(void *opaque
)
1143 char *normal_boot_order
= opaque
;
1144 static int first
= 1;
1146 /* Restore boot order and remove ourselves after the first boot */
1152 qemu_boot_set(normal_boot_order
);
1154 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1155 g_free(normal_boot_order
);
1158 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1161 FWBootEntry
*node
, *i
;
1163 if (bootindex
< 0) {
1167 assert(dev
!= NULL
|| suffix
!= NULL
);
1169 node
= g_malloc0(sizeof(FWBootEntry
));
1170 node
->bootindex
= bootindex
;
1171 node
->suffix
= g_strdup(suffix
);
1174 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1175 if (i
->bootindex
== bootindex
) {
1176 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1178 } else if (i
->bootindex
< bootindex
) {
1181 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1184 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1187 DeviceState
*get_boot_device(uint32_t position
)
1189 uint32_t counter
= 0;
1190 FWBootEntry
*i
= NULL
;
1191 DeviceState
*res
= NULL
;
1193 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1194 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1195 if (counter
== position
) {
1206 * This function returns null terminated string that consist of new line
1207 * separated device paths.
1209 * memory pointed by "size" is assigned total length of the array in bytes
1212 char *get_boot_devices_list(size_t *size
, bool ignore_suffixes
)
1218 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1219 char *devpath
= NULL
, *bootpath
;
1223 devpath
= qdev_get_fw_dev_path(i
->dev
);
1227 if (i
->suffix
&& !ignore_suffixes
&& devpath
) {
1228 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1230 bootpath
= g_malloc(bootpathlen
);
1231 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1233 } else if (devpath
) {
1235 } else if (!ignore_suffixes
) {
1237 bootpath
= g_strdup(i
->suffix
);
1239 bootpath
= g_strdup("");
1243 list
[total
-1] = '\n';
1245 len
= strlen(bootpath
) + 1;
1246 list
= g_realloc(list
, total
+ len
);
1247 memcpy(&list
[total
], bootpath
, len
);
1254 if (boot_strict
&& *size
> 0) {
1255 list
[total
-1] = '\n';
1256 list
= g_realloc(list
, total
+ 5);
1257 memcpy(&list
[total
], "HALT", 5);
1263 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1266 unsigned long long value
, endvalue
;
1268 /* Empty CPU range strings will be considered valid, they will simply
1269 * not set any bit in the CPU bitmap.
1275 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1278 if (*endptr
== '-') {
1279 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1282 } else if (*endptr
== '\0') {
1288 if (endvalue
>= MAX_CPUMASK_BITS
) {
1289 endvalue
= MAX_CPUMASK_BITS
- 1;
1291 "qemu: NUMA: A max of %d VCPUs are supported\n",
1295 if (endvalue
< value
) {
1299 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1303 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1307 static void numa_add(const char *optarg
)
1311 unsigned long long nodenr
;
1313 optarg
= get_opt_name(option
, 128, optarg
, ',');
1314 if (*optarg
== ',') {
1317 if (!strcmp(option
, "node")) {
1319 if (nb_numa_nodes
>= MAX_NODES
) {
1320 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1324 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1325 nodenr
= nb_numa_nodes
;
1327 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1328 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1333 if (nodenr
>= MAX_NODES
) {
1334 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1338 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1339 node_mem
[nodenr
] = 0;
1342 sval
= strtosz(option
, &endptr
);
1343 if (sval
< 0 || *endptr
) {
1344 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1347 node_mem
[nodenr
] = sval
;
1349 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1350 numa_node_parse_cpus(nodenr
, option
);
1354 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1359 static QemuOptsList qemu_smp_opts
= {
1361 .implied_opt_name
= "cpus",
1362 .merge_lists
= true,
1363 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1367 .type
= QEMU_OPT_NUMBER
,
1370 .type
= QEMU_OPT_NUMBER
,
1373 .type
= QEMU_OPT_NUMBER
,
1376 .type
= QEMU_OPT_NUMBER
,
1379 .type
= QEMU_OPT_NUMBER
,
1381 { /*End of list */ }
1385 static void smp_parse(QemuOpts
*opts
)
1389 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1390 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1391 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1392 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1394 /* compute missing values, prefer sockets over cores over threads */
1395 if (cpus
== 0 || sockets
== 0) {
1396 sockets
= sockets
> 0 ? sockets
: 1;
1397 cores
= cores
> 0 ? cores
: 1;
1398 threads
= threads
> 0 ? threads
: 1;
1400 cpus
= cores
* threads
* sockets
;
1404 threads
= threads
> 0 ? threads
: 1;
1405 cores
= cpus
/ (sockets
* threads
);
1407 threads
= cpus
/ (cores
* sockets
);
1411 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1414 smp_cores
= cores
> 0 ? cores
: 1;
1415 smp_threads
= threads
> 0 ? threads
: 1;
1419 if (max_cpus
== 0) {
1420 max_cpus
= smp_cpus
;
1423 if (max_cpus
> MAX_CPUMASK_BITS
) {
1424 fprintf(stderr
, "Unsupported number of maxcpus\n");
1427 if (max_cpus
< smp_cpus
) {
1428 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1434 static void configure_realtime(QemuOpts
*opts
)
1438 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1441 if (os_mlock() < 0) {
1442 fprintf(stderr
, "qemu: locking memory failed\n");
1449 static void configure_msg(QemuOpts
*opts
)
1451 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1454 /***********************************************************/
1457 static int usb_device_add(const char *devname
)
1459 USBDevice
*dev
= NULL
;
1460 #ifndef CONFIG_LINUX
1464 if (!usb_enabled(false)) {
1468 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1469 dev
= usbdevice_create(devname
);
1473 /* the other ones */
1474 #ifndef CONFIG_LINUX
1475 /* only the linux version is qdev-ified, usb-bsd still needs this */
1476 if (strstart(devname
, "host:", &p
)) {
1477 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1487 static int usb_device_del(const char *devname
)
1492 if (strstart(devname
, "host:", &p
)) {
1496 if (!usb_enabled(false)) {
1500 p
= strchr(devname
, '.');
1503 bus_num
= strtoul(devname
, NULL
, 0);
1504 addr
= strtoul(p
+ 1, NULL
, 0);
1506 return usb_device_delete_addr(bus_num
, addr
);
1509 static int usb_parse(const char *cmdline
)
1512 r
= usb_device_add(cmdline
);
1514 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1519 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1521 const char *devname
= qdict_get_str(qdict
, "devname");
1522 if (usb_device_add(devname
) < 0) {
1523 error_report("could not add USB device '%s'", devname
);
1527 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1529 const char *devname
= qdict_get_str(qdict
, "devname");
1530 if (usb_device_del(devname
) < 0) {
1531 error_report("could not delete USB device '%s'", devname
);
1535 /***********************************************************/
1536 /* PCMCIA/Cardbus */
1538 static struct pcmcia_socket_entry_s
{
1539 PCMCIASocket
*socket
;
1540 struct pcmcia_socket_entry_s
*next
;
1541 } *pcmcia_sockets
= 0;
1543 void pcmcia_socket_register(PCMCIASocket
*socket
)
1545 struct pcmcia_socket_entry_s
*entry
;
1547 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1548 entry
->socket
= socket
;
1549 entry
->next
= pcmcia_sockets
;
1550 pcmcia_sockets
= entry
;
1553 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1555 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1557 ptr
= &pcmcia_sockets
;
1558 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1559 if (entry
->socket
== socket
) {
1565 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1567 struct pcmcia_socket_entry_s
*iter
;
1569 if (!pcmcia_sockets
)
1570 monitor_printf(mon
, "No PCMCIA sockets\n");
1572 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1573 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1574 iter
->socket
->attached
? iter
->socket
->card_string
:
1578 /***********************************************************/
1579 /* machine registration */
1581 MachineState
*current_machine
;
1583 static void machine_class_init(ObjectClass
*oc
, void *data
)
1585 MachineClass
*mc
= MACHINE_CLASS(oc
);
1587 mc
->qemu_machine
= data
;
1590 int qemu_register_machine(QEMUMachine
*m
)
1592 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1595 .parent
= TYPE_MACHINE
,
1596 .class_init
= machine_class_init
,
1597 .class_data
= (void *)m
,
1606 static MachineClass
*find_machine(const char *name
)
1608 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1609 MachineClass
*mc
= NULL
;
1611 for (el
= machines
; el
; el
= el
->next
) {
1612 MachineClass
*temp
= el
->data
;
1614 if (!strcmp(temp
->qemu_machine
->name
, name
)) {
1618 if (temp
->qemu_machine
->alias
&&
1619 !strcmp(temp
->qemu_machine
->alias
, name
)) {
1625 g_slist_free(machines
);
1629 MachineClass
*find_default_machine(void)
1631 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1632 MachineClass
*mc
= NULL
;
1634 for (el
= machines
; el
; el
= el
->next
) {
1635 MachineClass
*temp
= el
->data
;
1637 if (temp
->qemu_machine
->is_default
) {
1643 g_slist_free(machines
);
1647 MachineInfoList
*qmp_query_machines(Error
**errp
)
1649 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1650 MachineInfoList
*mach_list
= NULL
;
1653 for (el
= machines
; el
; el
= el
->next
) {
1654 MachineClass
*mc
= el
->data
;
1655 MachineInfoList
*entry
;
1658 m
= mc
->qemu_machine
;
1659 info
= g_malloc0(sizeof(*info
));
1660 if (m
->is_default
) {
1661 info
->has_is_default
= true;
1662 info
->is_default
= true;
1666 info
->has_alias
= true;
1667 info
->alias
= g_strdup(m
->alias
);
1670 info
->name
= g_strdup(m
->name
);
1671 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1673 entry
= g_malloc0(sizeof(*entry
));
1674 entry
->value
= info
;
1675 entry
->next
= mach_list
;
1679 g_slist_free(machines
);
1683 /***********************************************************/
1684 /* main execution loop */
1686 struct vm_change_state_entry
{
1687 VMChangeStateHandler
*cb
;
1689 QLIST_ENTRY (vm_change_state_entry
) entries
;
1692 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1694 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1697 VMChangeStateEntry
*e
;
1699 e
= g_malloc0(sizeof (*e
));
1703 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1707 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1709 QLIST_REMOVE (e
, entries
);
1713 void vm_state_notify(int running
, RunState state
)
1715 VMChangeStateEntry
*e
;
1717 trace_vm_state_notify(running
, state
);
1719 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1720 e
->cb(e
->opaque
, running
, state
);
1726 if (!runstate_is_running()) {
1728 runstate_set(RUN_STATE_RUNNING
);
1729 vm_state_notify(1, RUN_STATE_RUNNING
);
1731 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1735 /* reset/shutdown handler */
1737 typedef struct QEMUResetEntry
{
1738 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1739 QEMUResetHandler
*func
;
1743 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1744 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1745 static int reset_requested
;
1746 static int shutdown_requested
, shutdown_signal
= -1;
1747 static pid_t shutdown_pid
;
1748 static int powerdown_requested
;
1749 static int debug_requested
;
1750 static int suspend_requested
;
1751 static WakeupReason wakeup_reason
;
1752 static NotifierList powerdown_notifiers
=
1753 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1754 static NotifierList suspend_notifiers
=
1755 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1756 static NotifierList wakeup_notifiers
=
1757 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1758 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1759 static RunState vmstop_requested
= RUN_STATE_MAX
;
1761 int qemu_shutdown_requested_get(void)
1763 return shutdown_requested
;
1766 int qemu_reset_requested_get(void)
1768 return reset_requested
;
1771 static int qemu_shutdown_requested(void)
1773 int r
= shutdown_requested
;
1774 shutdown_requested
= 0;
1778 static void qemu_kill_report(void)
1780 if (!qtest_driver() && shutdown_signal
!= -1) {
1781 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1782 if (shutdown_pid
== 0) {
1783 /* This happens for eg ^C at the terminal, so it's worth
1784 * avoiding printing an odd message in that case.
1786 fputc('\n', stderr
);
1788 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1790 shutdown_signal
= -1;
1794 static int qemu_reset_requested(void)
1796 int r
= reset_requested
;
1797 reset_requested
= 0;
1801 static int qemu_suspend_requested(void)
1803 int r
= suspend_requested
;
1804 suspend_requested
= 0;
1808 static WakeupReason
qemu_wakeup_requested(void)
1810 return wakeup_reason
;
1813 static int qemu_powerdown_requested(void)
1815 int r
= powerdown_requested
;
1816 powerdown_requested
= 0;
1820 static int qemu_debug_requested(void)
1822 int r
= debug_requested
;
1823 debug_requested
= 0;
1827 /* We use RUN_STATE_MAX but any invalid value will do */
1828 static bool qemu_vmstop_requested(RunState
*r
)
1830 if (vmstop_requested
< RUN_STATE_MAX
) {
1831 *r
= vmstop_requested
;
1832 vmstop_requested
= RUN_STATE_MAX
;
1839 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1841 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1844 re
->opaque
= opaque
;
1845 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1848 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1852 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1853 if (re
->func
== func
&& re
->opaque
== opaque
) {
1854 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1861 void qemu_devices_reset(void)
1863 QEMUResetEntry
*re
, *nre
;
1865 /* reset all devices */
1866 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1867 re
->func(re
->opaque
);
1871 void qemu_system_reset(bool report
)
1875 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1877 if (mc
&& mc
->qemu_machine
->reset
) {
1878 mc
->qemu_machine
->reset();
1880 qemu_devices_reset();
1883 monitor_protocol_event(QEVENT_RESET
, NULL
);
1885 cpu_synchronize_all_post_reset();
1888 void qemu_system_reset_request(void)
1891 shutdown_requested
= 1;
1893 reset_requested
= 1;
1896 qemu_notify_event();
1899 static void qemu_system_suspend(void)
1902 notifier_list_notify(&suspend_notifiers
, NULL
);
1903 runstate_set(RUN_STATE_SUSPENDED
);
1904 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1907 void qemu_system_suspend_request(void)
1909 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1912 suspend_requested
= 1;
1914 qemu_notify_event();
1917 void qemu_register_suspend_notifier(Notifier
*notifier
)
1919 notifier_list_add(&suspend_notifiers
, notifier
);
1922 void qemu_system_wakeup_request(WakeupReason reason
)
1924 trace_system_wakeup_request(reason
);
1926 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1929 if (!(wakeup_reason_mask
& (1 << reason
))) {
1932 runstate_set(RUN_STATE_RUNNING
);
1933 wakeup_reason
= reason
;
1934 qemu_notify_event();
1937 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1940 wakeup_reason_mask
|= (1 << reason
);
1942 wakeup_reason_mask
&= ~(1 << reason
);
1946 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1948 notifier_list_add(&wakeup_notifiers
, notifier
);
1951 void qemu_system_killed(int signal
, pid_t pid
)
1953 shutdown_signal
= signal
;
1956 qemu_system_shutdown_request();
1959 void qemu_system_shutdown_request(void)
1961 shutdown_requested
= 1;
1962 qemu_notify_event();
1965 static void qemu_system_powerdown(void)
1967 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1968 notifier_list_notify(&powerdown_notifiers
, NULL
);
1971 void qemu_system_powerdown_request(void)
1973 powerdown_requested
= 1;
1974 qemu_notify_event();
1977 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1979 notifier_list_add(&powerdown_notifiers
, notifier
);
1982 void qemu_system_debug_request(void)
1984 debug_requested
= 1;
1985 qemu_notify_event();
1988 void qemu_system_vmstop_request(RunState state
)
1990 vmstop_requested
= state
;
1991 qemu_notify_event();
1994 static bool main_loop_should_exit(void)
1997 if (qemu_debug_requested()) {
1998 vm_stop(RUN_STATE_DEBUG
);
2000 if (qemu_suspend_requested()) {
2001 qemu_system_suspend();
2003 if (qemu_shutdown_requested()) {
2005 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2007 vm_stop(RUN_STATE_SHUTDOWN
);
2012 if (qemu_reset_requested()) {
2014 cpu_synchronize_all_states();
2015 qemu_system_reset(VMRESET_REPORT
);
2017 if (runstate_needs_reset()) {
2018 runstate_set(RUN_STATE_PAUSED
);
2021 if (qemu_wakeup_requested()) {
2023 cpu_synchronize_all_states();
2024 qemu_system_reset(VMRESET_SILENT
);
2025 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2026 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2028 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2030 if (qemu_powerdown_requested()) {
2031 qemu_system_powerdown();
2033 if (qemu_vmstop_requested(&r
)) {
2039 static void main_loop(void)
2043 #ifdef CONFIG_PROFILER
2047 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2048 #ifdef CONFIG_PROFILER
2049 ti
= profile_getclock();
2051 last_io
= main_loop_wait(nonblocking
);
2052 #ifdef CONFIG_PROFILER
2053 dev_time
+= profile_getclock() - ti
;
2055 } while (!main_loop_should_exit());
2058 static void version(void)
2060 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2063 static void help(int exitcode
)
2066 printf("usage: %s [options] [disk_image]\n\n"
2067 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2068 error_get_progname());
2070 #define QEMU_OPTIONS_GENERATE_HELP
2071 #include "qemu-options-wrapper.h"
2073 printf("\nDuring emulation, the following keys are useful:\n"
2074 "ctrl-alt-f toggle full screen\n"
2075 "ctrl-alt-n switch to virtual console 'n'\n"
2076 "ctrl-alt toggle mouse and keyboard grab\n"
2078 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2083 #define HAS_ARG 0x0001
2085 typedef struct QEMUOption
{
2092 static const QEMUOption qemu_options
[] = {
2093 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2094 #define QEMU_OPTIONS_GENERATE_OPTIONS
2095 #include "qemu-options-wrapper.h"
2099 static bool vga_available(void)
2101 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2104 static bool cirrus_vga_available(void)
2106 return object_class_by_name("cirrus-vga")
2107 || object_class_by_name("isa-cirrus-vga");
2110 static bool vmware_vga_available(void)
2112 return object_class_by_name("vmware-svga");
2115 static bool qxl_vga_available(void)
2117 return object_class_by_name("qxl-vga");
2120 static bool tcx_vga_available(void)
2122 return object_class_by_name("SUNW,tcx");
2125 static bool cg3_vga_available(void)
2127 return object_class_by_name("cgthree");
2130 static void select_vgahw (const char *p
)
2134 assert(vga_interface_type
== VGA_NONE
);
2135 if (strstart(p
, "std", &opts
)) {
2136 if (vga_available()) {
2137 vga_interface_type
= VGA_STD
;
2139 fprintf(stderr
, "Error: standard VGA not available\n");
2142 } else if (strstart(p
, "cirrus", &opts
)) {
2143 if (cirrus_vga_available()) {
2144 vga_interface_type
= VGA_CIRRUS
;
2146 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2149 } else if (strstart(p
, "vmware", &opts
)) {
2150 if (vmware_vga_available()) {
2151 vga_interface_type
= VGA_VMWARE
;
2153 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2156 } else if (strstart(p
, "xenfb", &opts
)) {
2157 vga_interface_type
= VGA_XENFB
;
2158 } else if (strstart(p
, "qxl", &opts
)) {
2159 if (qxl_vga_available()) {
2160 vga_interface_type
= VGA_QXL
;
2162 fprintf(stderr
, "Error: QXL VGA not available\n");
2165 } else if (strstart(p
, "tcx", &opts
)) {
2166 if (tcx_vga_available()) {
2167 vga_interface_type
= VGA_TCX
;
2169 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2172 } else if (strstart(p
, "cg3", &opts
)) {
2173 if (cg3_vga_available()) {
2174 vga_interface_type
= VGA_CG3
;
2176 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2179 } else if (!strstart(p
, "none", &opts
)) {
2181 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2185 const char *nextopt
;
2187 if (strstart(opts
, ",retrace=", &nextopt
)) {
2189 if (strstart(opts
, "dumb", &nextopt
))
2190 vga_retrace_method
= VGA_RETRACE_DUMB
;
2191 else if (strstart(opts
, "precise", &nextopt
))
2192 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2193 else goto invalid_vga
;
2194 } else goto invalid_vga
;
2199 static DisplayType
select_display(const char *p
)
2202 DisplayType display
= DT_DEFAULT
;
2204 if (strstart(p
, "sdl", &opts
)) {
2208 const char *nextopt
;
2210 if (strstart(opts
, ",frame=", &nextopt
)) {
2212 if (strstart(opts
, "on", &nextopt
)) {
2214 } else if (strstart(opts
, "off", &nextopt
)) {
2217 goto invalid_sdl_args
;
2219 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2221 if (strstart(opts
, "on", &nextopt
)) {
2223 } else if (strstart(opts
, "off", &nextopt
)) {
2226 goto invalid_sdl_args
;
2228 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2230 if (strstart(opts
, "on", &nextopt
)) {
2232 } else if (strstart(opts
, "off", &nextopt
)) {
2235 goto invalid_sdl_args
;
2237 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2239 if (strstart(opts
, "on", &nextopt
)) {
2241 } else if (strstart(opts
, "off", &nextopt
)) {
2244 goto invalid_sdl_args
;
2248 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2254 fprintf(stderr
, "SDL support is disabled\n");
2257 } else if (strstart(p
, "vnc", &opts
)) {
2262 const char *nextopt
;
2264 if (strstart(opts
, "=", &nextopt
)) {
2265 vnc_display
= nextopt
;
2269 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2273 fprintf(stderr
, "VNC support is disabled\n");
2276 } else if (strstart(p
, "curses", &opts
)) {
2277 #ifdef CONFIG_CURSES
2278 display
= DT_CURSES
;
2280 fprintf(stderr
, "Curses support is disabled\n");
2283 } else if (strstart(p
, "gtk", &opts
)) {
2287 const char *nextopt
;
2289 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2291 if (strstart(opts
, "on", &nextopt
)) {
2292 grab_on_hover
= true;
2293 } else if (strstart(opts
, "off", &nextopt
)) {
2294 grab_on_hover
= false;
2296 goto invalid_gtk_args
;
2300 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2306 fprintf(stderr
, "GTK support is disabled\n");
2309 } else if (strstart(p
, "none", &opts
)) {
2312 fprintf(stderr
, "Unknown display type: %s\n", p
);
2319 static int balloon_parse(const char *arg
)
2323 if (strcmp(arg
, "none") == 0) {
2327 if (!strncmp(arg
, "virtio", 6)) {
2328 if (arg
[6] == ',') {
2329 /* have params -> parse them */
2330 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2334 /* create empty opts */
2335 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2338 qemu_opt_set(opts
, "driver", "virtio-balloon");
2345 char *qemu_find_file(int type
, const char *name
)
2351 /* Try the name as a straight path first */
2352 if (access(name
, R_OK
) == 0) {
2353 trace_load_file(name
, name
);
2354 return g_strdup(name
);
2358 case QEMU_FILE_TYPE_BIOS
:
2361 case QEMU_FILE_TYPE_KEYMAP
:
2362 subdir
= "keymaps/";
2368 for (i
= 0; i
< data_dir_idx
; i
++) {
2369 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2370 if (access(buf
, R_OK
) == 0) {
2371 trace_load_file(name
, buf
);
2379 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2381 return qdev_device_help(opts
);
2384 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2388 dev
= qdev_device_add(opts
);
2391 object_unref(OBJECT(dev
));
2395 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2397 Error
*local_err
= NULL
;
2399 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2401 error_report("%s", error_get_pretty(local_err
));
2402 error_free(local_err
);
2408 #ifdef CONFIG_VIRTFS
2409 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2412 ret
= qemu_fsdev_add(opts
);
2418 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2420 CharDriverState
*chr
;
2421 const char *chardev
;
2425 mode
= qemu_opt_get(opts
, "mode");
2429 if (strcmp(mode
, "readline") == 0) {
2430 flags
= MONITOR_USE_READLINE
;
2431 } else if (strcmp(mode
, "control") == 0) {
2432 flags
= MONITOR_USE_CONTROL
;
2434 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2438 if (qemu_opt_get_bool(opts
, "pretty", 0))
2439 flags
|= MONITOR_USE_PRETTY
;
2441 if (qemu_opt_get_bool(opts
, "default", 0))
2442 flags
|= MONITOR_IS_DEFAULT
;
2444 chardev
= qemu_opt_get(opts
, "chardev");
2445 chr
= qemu_chr_find(chardev
);
2447 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2451 qemu_chr_fe_claim_no_fail(chr
);
2452 monitor_init(chr
, flags
);
2456 static void monitor_parse(const char *optarg
, const char *mode
)
2458 static int monitor_device_index
= 0;
2464 if (strstart(optarg
, "chardev:", &p
)) {
2465 snprintf(label
, sizeof(label
), "%s", p
);
2467 snprintf(label
, sizeof(label
), "compat_monitor%d",
2468 monitor_device_index
);
2469 if (monitor_device_index
== 0) {
2472 opts
= qemu_chr_parse_compat(label
, optarg
);
2474 fprintf(stderr
, "parse error: %s\n", optarg
);
2479 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2481 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2484 qemu_opt_set(opts
, "mode", mode
);
2485 qemu_opt_set(opts
, "chardev", label
);
2487 qemu_opt_set(opts
, "default", "on");
2488 monitor_device_index
++;
2491 struct device_config
{
2493 DEV_USB
, /* -usbdevice */
2495 DEV_SERIAL
, /* -serial */
2496 DEV_PARALLEL
, /* -parallel */
2497 DEV_VIRTCON
, /* -virtioconsole */
2498 DEV_DEBUGCON
, /* -debugcon */
2499 DEV_GDB
, /* -gdb, -s */
2500 DEV_SCLP
, /* s390 sclp */
2502 const char *cmdline
;
2504 QTAILQ_ENTRY(device_config
) next
;
2507 static QTAILQ_HEAD(, device_config
) device_configs
=
2508 QTAILQ_HEAD_INITIALIZER(device_configs
);
2510 static void add_device_config(int type
, const char *cmdline
)
2512 struct device_config
*conf
;
2514 conf
= g_malloc0(sizeof(*conf
));
2516 conf
->cmdline
= cmdline
;
2517 loc_save(&conf
->loc
);
2518 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2521 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2523 struct device_config
*conf
;
2526 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2527 if (conf
->type
!= type
)
2529 loc_push_restore(&conf
->loc
);
2530 rc
= func(conf
->cmdline
);
2531 loc_pop(&conf
->loc
);
2538 static int serial_parse(const char *devname
)
2540 static int index
= 0;
2543 if (strcmp(devname
, "none") == 0)
2545 if (index
== MAX_SERIAL_PORTS
) {
2546 fprintf(stderr
, "qemu: too many serial ports\n");
2549 snprintf(label
, sizeof(label
), "serial%d", index
);
2550 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2551 if (!serial_hds
[index
]) {
2552 fprintf(stderr
, "qemu: could not connect serial device"
2553 " to character backend '%s'\n", devname
);
2560 static int parallel_parse(const char *devname
)
2562 static int index
= 0;
2565 if (strcmp(devname
, "none") == 0)
2567 if (index
== MAX_PARALLEL_PORTS
) {
2568 fprintf(stderr
, "qemu: too many parallel ports\n");
2571 snprintf(label
, sizeof(label
), "parallel%d", index
);
2572 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2573 if (!parallel_hds
[index
]) {
2574 fprintf(stderr
, "qemu: could not connect parallel device"
2575 " to character backend '%s'\n", devname
);
2582 static int virtcon_parse(const char *devname
)
2584 QemuOptsList
*device
= qemu_find_opts("device");
2585 static int index
= 0;
2587 QemuOpts
*bus_opts
, *dev_opts
;
2589 if (strcmp(devname
, "none") == 0)
2591 if (index
== MAX_VIRTIO_CONSOLES
) {
2592 fprintf(stderr
, "qemu: too many virtio consoles\n");
2596 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2597 if (arch_type
== QEMU_ARCH_S390X
) {
2598 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2600 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2603 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2604 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2606 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2607 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2608 if (!virtcon_hds
[index
]) {
2609 fprintf(stderr
, "qemu: could not connect virtio console"
2610 " to character backend '%s'\n", devname
);
2613 qemu_opt_set(dev_opts
, "chardev", label
);
2619 static int sclp_parse(const char *devname
)
2621 QemuOptsList
*device
= qemu_find_opts("device");
2622 static int index
= 0;
2626 if (strcmp(devname
, "none") == 0) {
2629 if (index
== MAX_SCLP_CONSOLES
) {
2630 fprintf(stderr
, "qemu: too many sclp consoles\n");
2634 assert(arch_type
== QEMU_ARCH_S390X
);
2636 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2637 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2639 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2640 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2641 if (!sclp_hds
[index
]) {
2642 fprintf(stderr
, "qemu: could not connect sclp console"
2643 " to character backend '%s'\n", devname
);
2646 qemu_opt_set(dev_opts
, "chardev", label
);
2652 static int debugcon_parse(const char *devname
)
2656 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2659 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2661 fprintf(stderr
, "qemu: already have a debugcon device\n");
2664 qemu_opt_set(opts
, "driver", "isa-debugcon");
2665 qemu_opt_set(opts
, "chardev", "debugcon");
2669 static MachineClass
*machine_parse(const char *name
)
2671 MachineClass
*mc
= NULL
;
2672 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2675 mc
= find_machine(name
);
2680 if (name
&& !is_help_option(name
)) {
2681 error_report("Unsupported machine type");
2682 error_printf("Use -machine help to list supported machines!\n");
2684 printf("Supported machines are:\n");
2685 for (el
= machines
; el
; el
= el
->next
) {
2686 MachineClass
*mc
= el
->data
;
2687 QEMUMachine
*m
= mc
->qemu_machine
;
2689 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2691 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2692 m
->is_default
? " (default)" : "");
2696 g_slist_free(machines
);
2697 exit(!name
|| !is_help_option(name
));
2700 static int tcg_init(QEMUMachine
*machine
)
2702 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2707 const char *opt_name
;
2709 int (*available
)(void);
2710 int (*init
)(QEMUMachine
*);
2713 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2714 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2715 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2716 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2719 static int configure_accelerator(QEMUMachine
*machine
)
2724 bool accel_initialised
= false;
2725 bool init_failed
= false;
2727 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2729 /* Use the default "accelerator", tcg */
2733 while (!accel_initialised
&& *p
!= '\0') {
2737 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2738 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2739 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2740 if (!accel_list
[i
].available()) {
2741 printf("%s not supported for this target\n",
2742 accel_list
[i
].name
);
2745 *(accel_list
[i
].allowed
) = true;
2746 ret
= accel_list
[i
].init(machine
);
2749 fprintf(stderr
, "failed to initialize %s: %s\n",
2752 *(accel_list
[i
].allowed
) = false;
2754 accel_initialised
= true;
2759 if (i
== ARRAY_SIZE(accel_list
)) {
2760 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2764 if (!accel_initialised
) {
2766 fprintf(stderr
, "No accelerator found!\n");
2772 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2775 return !accel_initialised
;
2778 void qemu_add_exit_notifier(Notifier
*notify
)
2780 notifier_list_add(&exit_notifiers
, notify
);
2783 void qemu_remove_exit_notifier(Notifier
*notify
)
2785 notifier_remove(notify
);
2788 static void qemu_run_exit_notifiers(void)
2790 notifier_list_notify(&exit_notifiers
, NULL
);
2793 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2795 notifier_list_add(&machine_init_done_notifiers
, notify
);
2798 static void qemu_run_machine_init_done_notifiers(void)
2800 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2803 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2804 const char **poptarg
, int *poptind
)
2806 const QEMUOption
*popt
;
2807 int optind
= *poptind
;
2808 char *r
= argv
[optind
];
2811 loc_set_cmdline(argv
, optind
, 1);
2813 /* Treat --foo the same as -foo. */
2816 popt
= qemu_options
;
2819 error_report("invalid option");
2822 if (!strcmp(popt
->name
, r
+ 1))
2826 if (popt
->flags
& HAS_ARG
) {
2827 if (optind
>= argc
) {
2828 error_report("requires an argument");
2831 optarg
= argv
[optind
++];
2832 loc_set_cmdline(argv
, optind
- 2, 2);
2843 static gpointer
malloc_and_trace(gsize n_bytes
)
2845 void *ptr
= malloc(n_bytes
);
2846 trace_g_malloc(n_bytes
, ptr
);
2850 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2852 void *ptr
= realloc(mem
, n_bytes
);
2853 trace_g_realloc(mem
, n_bytes
, ptr
);
2857 static void free_and_trace(gpointer mem
)
2863 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2865 Object
*obj
= OBJECT(opaque
);
2866 StringInputVisitor
*siv
;
2867 Error
*local_err
= NULL
;
2869 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2873 siv
= string_input_visitor_new(value
);
2874 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2875 string_input_visitor_cleanup(siv
);
2878 qerror_report_err(local_err
);
2879 error_free(local_err
);
2886 static int object_create(QemuOpts
*opts
, void *opaque
)
2888 const char *type
= qemu_opt_get(opts
, "qom-type");
2889 const char *id
= qemu_opts_id(opts
);
2890 Error
*local_err
= NULL
;
2893 g_assert(type
!= NULL
);
2896 qerror_report(QERR_MISSING_PARAMETER
, "id");
2900 obj
= object_new(type
);
2901 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2906 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2907 error_setg(&local_err
, "object '%s' isn't supported by -object",
2912 user_creatable_complete(obj
, &local_err
);
2917 object_property_add_child(container_get(object_get_root(), "/objects"),
2918 id
, obj
, &local_err
);
2923 qerror_report_err(local_err
);
2924 error_free(local_err
);
2930 int main(int argc
, char **argv
, char **envp
)
2933 int snapshot
, linux_boot
;
2934 const char *icount_option
= NULL
;
2935 const char *initrd_filename
;
2936 const char *kernel_filename
, *kernel_cmdline
;
2937 const char *boot_order
;
2939 int cyls
, heads
, secs
, translation
;
2940 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2941 QemuOptsList
*olist
;
2944 const char *loadvm
= NULL
;
2945 MachineClass
*machine_class
;
2946 QEMUMachine
*machine
;
2947 const char *cpu_model
;
2948 const char *vga_model
= NULL
;
2949 const char *qtest_chrdev
= NULL
;
2950 const char *qtest_log
= NULL
;
2951 const char *pid_file
= NULL
;
2952 const char *incoming
= NULL
;
2954 int show_vnc_port
= 0;
2956 bool defconfig
= true;
2957 bool userconfig
= true;
2958 const char *log_mask
= NULL
;
2959 const char *log_file
= NULL
;
2960 GMemVTable mem_trace
= {
2961 .malloc
= malloc_and_trace
,
2962 .realloc
= realloc_and_trace
,
2963 .free
= free_and_trace
,
2965 const char *trace_events
= NULL
;
2966 const char *trace_file
= NULL
;
2968 atexit(qemu_run_exit_notifiers
);
2969 error_set_progname(argv
[0]);
2970 qemu_init_exec_dir(argv
[0]);
2972 g_mem_set_vtable(&mem_trace
);
2974 module_call_init(MODULE_INIT_QOM
);
2976 qemu_add_opts(&qemu_drive_opts
);
2977 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2978 qemu_add_drive_opts(&qemu_common_drive_opts
);
2979 qemu_add_drive_opts(&qemu_drive_opts
);
2980 qemu_add_opts(&qemu_chardev_opts
);
2981 qemu_add_opts(&qemu_device_opts
);
2982 qemu_add_opts(&qemu_netdev_opts
);
2983 qemu_add_opts(&qemu_net_opts
);
2984 qemu_add_opts(&qemu_rtc_opts
);
2985 qemu_add_opts(&qemu_global_opts
);
2986 qemu_add_opts(&qemu_mon_opts
);
2987 qemu_add_opts(&qemu_trace_opts
);
2988 qemu_add_opts(&qemu_option_rom_opts
);
2989 qemu_add_opts(&qemu_machine_opts
);
2990 qemu_add_opts(&qemu_smp_opts
);
2991 qemu_add_opts(&qemu_boot_opts
);
2992 qemu_add_opts(&qemu_sandbox_opts
);
2993 qemu_add_opts(&qemu_add_fd_opts
);
2994 qemu_add_opts(&qemu_object_opts
);
2995 qemu_add_opts(&qemu_tpmdev_opts
);
2996 qemu_add_opts(&qemu_realtime_opts
);
2997 qemu_add_opts(&qemu_msg_opts
);
2998 qemu_add_opts(&qemu_name_opts
);
3003 rtc_clock
= QEMU_CLOCK_HOST
;
3005 qemu_init_auxval(envp
);
3006 qemu_cache_utils_init();
3008 QLIST_INIT (&vm_change_state_head
);
3009 os_setup_early_signal_handling();
3011 module_call_init(MODULE_INIT_MACHINE
);
3012 machine_class
= find_default_machine();
3016 cyls
= heads
= secs
= 0;
3017 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3019 for (i
= 0; i
< MAX_NODES
; i
++) {
3021 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
3027 bdrv_init_with_whitelist();
3031 /* first pass of option parsing */
3033 while (optind
< argc
) {
3034 if (argv
[optind
][0] != '-') {
3039 const QEMUOption
*popt
;
3041 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3042 switch (popt
->index
) {
3043 case QEMU_OPTION_nodefconfig
:
3046 case QEMU_OPTION_nouserconfig
:
3055 ret
= qemu_read_default_config_files(userconfig
);
3061 /* second pass of option parsing */
3066 if (argv
[optind
][0] != '-') {
3067 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3069 const QEMUOption
*popt
;
3071 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3072 if (!(popt
->arch_mask
& arch_type
)) {
3073 printf("Option %s not supported for this target\n", popt
->name
);
3076 switch(popt
->index
) {
3078 machine_class
= machine_parse(optarg
);
3080 case QEMU_OPTION_no_kvm_irqchip
: {
3081 olist
= qemu_find_opts("machine");
3082 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3085 case QEMU_OPTION_cpu
:
3086 /* hw initialization will check this */
3089 case QEMU_OPTION_hda
:
3093 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3095 snprintf(buf
, sizeof(buf
),
3096 "%s,cyls=%d,heads=%d,secs=%d%s",
3097 HD_OPTS
, cyls
, heads
, secs
,
3098 translation
== BIOS_ATA_TRANSLATION_LBA
?
3100 translation
== BIOS_ATA_TRANSLATION_NONE
?
3101 ",trans=none" : "");
3102 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3105 case QEMU_OPTION_hdb
:
3106 case QEMU_OPTION_hdc
:
3107 case QEMU_OPTION_hdd
:
3108 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3111 case QEMU_OPTION_drive
:
3112 if (drive_def(optarg
) == NULL
) {
3116 case QEMU_OPTION_set
:
3117 if (qemu_set_option(optarg
) != 0)
3120 case QEMU_OPTION_global
:
3121 if (qemu_global_option(optarg
) != 0)
3124 case QEMU_OPTION_mtdblock
:
3125 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3127 case QEMU_OPTION_sd
:
3128 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3130 case QEMU_OPTION_pflash
:
3131 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3133 case QEMU_OPTION_snapshot
:
3136 case QEMU_OPTION_hdachs
:
3140 cyls
= strtol(p
, (char **)&p
, 0);
3141 if (cyls
< 1 || cyls
> 16383)
3146 heads
= strtol(p
, (char **)&p
, 0);
3147 if (heads
< 1 || heads
> 16)
3152 secs
= strtol(p
, (char **)&p
, 0);
3153 if (secs
< 1 || secs
> 63)
3157 if (!strcmp(p
, "large")) {
3158 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3159 } else if (!strcmp(p
, "rechs")) {
3160 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3161 } else if (!strcmp(p
, "none")) {
3162 translation
= BIOS_ATA_TRANSLATION_NONE
;
3163 } else if (!strcmp(p
, "lba")) {
3164 translation
= BIOS_ATA_TRANSLATION_LBA
;
3165 } else if (!strcmp(p
, "auto")) {
3166 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3170 } else if (*p
!= '\0') {
3172 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3175 if (hda_opts
!= NULL
) {
3177 snprintf(num
, sizeof(num
), "%d", cyls
);
3178 qemu_opt_set(hda_opts
, "cyls", num
);
3179 snprintf(num
, sizeof(num
), "%d", heads
);
3180 qemu_opt_set(hda_opts
, "heads", num
);
3181 snprintf(num
, sizeof(num
), "%d", secs
);
3182 qemu_opt_set(hda_opts
, "secs", num
);
3183 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3184 qemu_opt_set(hda_opts
, "trans", "large");
3185 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3186 qemu_opt_set(hda_opts
, "trans", "rechs");
3187 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3188 qemu_opt_set(hda_opts
, "trans", "lba");
3189 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3190 qemu_opt_set(hda_opts
, "trans", "none");
3195 case QEMU_OPTION_numa
:
3198 case QEMU_OPTION_display
:
3199 display_type
= select_display(optarg
);
3201 case QEMU_OPTION_nographic
:
3202 display_type
= DT_NOGRAPHIC
;
3204 case QEMU_OPTION_curses
:
3205 #ifdef CONFIG_CURSES
3206 display_type
= DT_CURSES
;
3208 fprintf(stderr
, "Curses support is disabled\n");
3212 case QEMU_OPTION_portrait
:
3213 graphic_rotate
= 90;
3215 case QEMU_OPTION_rotate
:
3216 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3217 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3218 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3220 "qemu: only 90, 180, 270 deg rotation is available\n");
3224 case QEMU_OPTION_kernel
:
3225 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3227 case QEMU_OPTION_initrd
:
3228 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3230 case QEMU_OPTION_append
:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3233 case QEMU_OPTION_dtb
:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3236 case QEMU_OPTION_cdrom
:
3237 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3239 case QEMU_OPTION_boot
:
3240 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3245 case QEMU_OPTION_fda
:
3246 case QEMU_OPTION_fdb
:
3247 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3250 case QEMU_OPTION_no_fd_bootchk
:
3253 case QEMU_OPTION_netdev
:
3254 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3258 case QEMU_OPTION_net
:
3259 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3263 #ifdef CONFIG_LIBISCSI
3264 case QEMU_OPTION_iscsi
:
3265 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3272 case QEMU_OPTION_tftp
:
3273 legacy_tftp_prefix
= optarg
;
3275 case QEMU_OPTION_bootp
:
3276 legacy_bootp_filename
= optarg
;
3278 case QEMU_OPTION_redir
:
3279 if (net_slirp_redir(optarg
) < 0)
3283 case QEMU_OPTION_bt
:
3284 add_device_config(DEV_BT
, optarg
);
3286 case QEMU_OPTION_audio_help
:
3290 case QEMU_OPTION_soundhw
:
3291 select_soundhw (optarg
);
3296 case QEMU_OPTION_version
:
3300 case QEMU_OPTION_m
: {
3305 value
= strtosz(optarg
, &end
);
3306 if (value
< 0 || *end
) {
3307 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3310 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3312 if (ram_size
!= sz
) {
3313 fprintf(stderr
, "qemu: ram size too large\n");
3319 case QEMU_OPTION_tpmdev
:
3320 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3325 case QEMU_OPTION_mempath
:
3328 case QEMU_OPTION_mem_prealloc
:
3338 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3340 case QEMU_OPTION_gdb
:
3341 add_device_config(DEV_GDB
, optarg
);
3344 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3345 data_dir
[data_dir_idx
++] = optarg
;
3348 case QEMU_OPTION_bios
:
3349 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3351 case QEMU_OPTION_singlestep
:
3358 keyboard_layout
= optarg
;
3360 case QEMU_OPTION_localtime
:
3363 case QEMU_OPTION_vga
:
3372 w
= strtol(p
, (char **)&p
, 10);
3375 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3381 h
= strtol(p
, (char **)&p
, 10);
3386 depth
= strtol(p
, (char **)&p
, 10);
3387 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3388 depth
!= 24 && depth
!= 32)
3390 } else if (*p
== '\0') {
3391 depth
= graphic_depth
;
3398 graphic_depth
= depth
;
3401 case QEMU_OPTION_echr
:
3404 term_escape_char
= strtol(optarg
, &r
, 0);
3406 printf("Bad argument to echr\n");
3409 case QEMU_OPTION_monitor
:
3410 default_monitor
= 0;
3411 if (strncmp(optarg
, "none", 4)) {
3412 monitor_parse(optarg
, "readline");
3415 case QEMU_OPTION_qmp
:
3416 monitor_parse(optarg
, "control");
3417 default_monitor
= 0;
3419 case QEMU_OPTION_mon
:
3420 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3424 default_monitor
= 0;
3426 case QEMU_OPTION_chardev
:
3427 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3432 case QEMU_OPTION_fsdev
:
3433 olist
= qemu_find_opts("fsdev");
3435 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3438 opts
= qemu_opts_parse(olist
, optarg
, 1);
3443 case QEMU_OPTION_virtfs
: {
3446 const char *writeout
, *sock_fd
, *socket
;
3448 olist
= qemu_find_opts("virtfs");
3450 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3453 opts
= qemu_opts_parse(olist
, optarg
, 1);
3458 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3459 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3460 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3463 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3464 qemu_opt_get(opts
, "mount_tag"),
3467 fprintf(stderr
, "duplicate fsdev id: %s\n",
3468 qemu_opt_get(opts
, "mount_tag"));
3472 writeout
= qemu_opt_get(opts
, "writeout");
3474 #ifdef CONFIG_SYNC_FILE_RANGE
3475 qemu_opt_set(fsdev
, "writeout", writeout
);
3477 fprintf(stderr
, "writeout=immediate not supported on "
3482 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3483 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3484 qemu_opt_set(fsdev
, "security_model",
3485 qemu_opt_get(opts
, "security_model"));
3486 socket
= qemu_opt_get(opts
, "socket");
3488 qemu_opt_set(fsdev
, "socket", socket
);
3490 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3492 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3495 qemu_opt_set_bool(fsdev
, "readonly",
3496 qemu_opt_get_bool(opts
, "readonly", 0));
3497 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3499 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3500 qemu_opt_set(device
, "fsdev",
3501 qemu_opt_get(opts
, "mount_tag"));
3502 qemu_opt_set(device
, "mount_tag",
3503 qemu_opt_get(opts
, "mount_tag"));
3506 case QEMU_OPTION_virtfs_synth
: {
3510 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3513 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3516 qemu_opt_set(fsdev
, "fsdriver", "synth");
3518 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3520 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3521 qemu_opt_set(device
, "fsdev", "v_synth");
3522 qemu_opt_set(device
, "mount_tag", "v_synth");
3525 case QEMU_OPTION_serial
:
3526 add_device_config(DEV_SERIAL
, optarg
);
3528 if (strncmp(optarg
, "mon:", 4) == 0) {
3529 default_monitor
= 0;
3532 case QEMU_OPTION_watchdog
:
3535 "qemu: only one watchdog option may be given\n");
3540 case QEMU_OPTION_watchdog_action
:
3541 if (select_watchdog_action(optarg
) == -1) {
3542 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3546 case QEMU_OPTION_virtiocon
:
3547 add_device_config(DEV_VIRTCON
, optarg
);
3548 default_virtcon
= 0;
3549 if (strncmp(optarg
, "mon:", 4) == 0) {
3550 default_monitor
= 0;
3553 case QEMU_OPTION_parallel
:
3554 add_device_config(DEV_PARALLEL
, optarg
);
3555 default_parallel
= 0;
3556 if (strncmp(optarg
, "mon:", 4) == 0) {
3557 default_monitor
= 0;
3560 case QEMU_OPTION_debugcon
:
3561 add_device_config(DEV_DEBUGCON
, optarg
);
3563 case QEMU_OPTION_loadvm
:
3566 case QEMU_OPTION_full_screen
:
3569 case QEMU_OPTION_no_frame
:
3572 case QEMU_OPTION_alt_grab
:
3575 case QEMU_OPTION_ctrl_grab
:
3578 case QEMU_OPTION_no_quit
:
3581 case QEMU_OPTION_sdl
:
3583 display_type
= DT_SDL
;
3586 fprintf(stderr
, "SDL support is disabled\n");
3589 case QEMU_OPTION_pidfile
:
3592 case QEMU_OPTION_win2k_hack
:
3593 win2k_install_hack
= 1;
3595 case QEMU_OPTION_rtc_td_hack
: {
3596 static GlobalProperty slew_lost_ticks
[] = {
3598 .driver
= "mc146818rtc",
3599 .property
= "lost_tick_policy",
3602 { /* end of list */ }
3605 qdev_prop_register_global_list(slew_lost_ticks
);
3608 case QEMU_OPTION_acpitable
:
3609 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3613 do_acpitable_option(opts
);
3615 case QEMU_OPTION_smbios
:
3616 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3620 do_smbios_option(opts
);
3622 case QEMU_OPTION_enable_kvm
:
3623 olist
= qemu_find_opts("machine");
3624 qemu_opts_parse(olist
, "accel=kvm", 0);
3626 case QEMU_OPTION_machine
:
3627 olist
= qemu_find_opts("machine");
3628 opts
= qemu_opts_parse(olist
, optarg
, 1);
3632 optarg
= qemu_opt_get(opts
, "type");
3634 machine_class
= machine_parse(optarg
);
3637 case QEMU_OPTION_no_kvm
:
3638 olist
= qemu_find_opts("machine");
3639 qemu_opts_parse(olist
, "accel=tcg", 0);
3641 case QEMU_OPTION_no_kvm_pit
: {
3642 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3646 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3647 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3649 .driver
= "kvm-pit",
3650 .property
= "lost_tick_policy",
3653 { /* end of list */ }
3656 fprintf(stderr
, "Warning: option deprecated, use "
3657 "lost_tick_policy property of kvm-pit instead.\n");
3658 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3661 case QEMU_OPTION_usb
:
3662 olist
= qemu_find_opts("machine");
3663 qemu_opts_parse(olist
, "usb=on", 0);
3665 case QEMU_OPTION_usbdevice
:
3666 olist
= qemu_find_opts("machine");
3667 qemu_opts_parse(olist
, "usb=on", 0);
3668 add_device_config(DEV_USB
, optarg
);
3670 case QEMU_OPTION_device
:
3671 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3675 case QEMU_OPTION_smp
:
3676 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3680 case QEMU_OPTION_vnc
:
3683 vnc_display
= optarg
;
3685 fprintf(stderr
, "VNC support is disabled\n");
3689 case QEMU_OPTION_no_acpi
:
3692 case QEMU_OPTION_no_hpet
:
3695 case QEMU_OPTION_balloon
:
3696 if (balloon_parse(optarg
) < 0) {
3697 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3701 case QEMU_OPTION_no_reboot
:
3704 case QEMU_OPTION_no_shutdown
:
3707 case QEMU_OPTION_show_cursor
:
3710 case QEMU_OPTION_uuid
:
3711 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3712 fprintf(stderr
, "Fail to parse UUID string."
3713 " Wrong format.\n");
3716 qemu_uuid_set
= true;
3718 case QEMU_OPTION_option_rom
:
3719 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3720 fprintf(stderr
, "Too many option ROMs\n");
3723 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3727 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3728 option_rom
[nb_option_roms
].bootindex
=
3729 qemu_opt_get_number(opts
, "bootindex", -1);
3730 if (!option_rom
[nb_option_roms
].name
) {
3731 fprintf(stderr
, "Option ROM file is not specified\n");
3736 case QEMU_OPTION_semihosting
:
3737 semihosting_enabled
= 1;
3739 case QEMU_OPTION_tdf
:
3740 fprintf(stderr
, "Warning: user space PIT time drift fix "
3741 "is no longer supported.\n");
3743 case QEMU_OPTION_name
:
3744 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3750 case QEMU_OPTION_prom_env
:
3751 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3752 fprintf(stderr
, "Too many prom variables\n");
3755 prom_envs
[nb_prom_envs
] = optarg
;
3758 case QEMU_OPTION_old_param
:
3761 case QEMU_OPTION_clock
:
3762 /* Clock options no longer exist. Keep this option for
3763 * backward compatibility.
3766 case QEMU_OPTION_startdate
:
3767 configure_rtc_date_offset(optarg
, 1);
3769 case QEMU_OPTION_rtc
:
3770 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3774 configure_rtc(opts
);
3776 case QEMU_OPTION_tb_size
:
3777 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3778 if (tcg_tb_size
< 0) {
3782 case QEMU_OPTION_icount
:
3783 icount_option
= optarg
;
3785 case QEMU_OPTION_incoming
:
3787 runstate_set(RUN_STATE_INMIGRATE
);
3789 case QEMU_OPTION_nodefaults
:
3792 case QEMU_OPTION_xen_domid
:
3793 if (!(xen_available())) {
3794 printf("Option %s not supported for this target\n", popt
->name
);
3797 xen_domid
= atoi(optarg
);
3799 case QEMU_OPTION_xen_create
:
3800 if (!(xen_available())) {
3801 printf("Option %s not supported for this target\n", popt
->name
);
3804 xen_mode
= XEN_CREATE
;
3806 case QEMU_OPTION_xen_attach
:
3807 if (!(xen_available())) {
3808 printf("Option %s not supported for this target\n", popt
->name
);
3811 xen_mode
= XEN_ATTACH
;
3813 case QEMU_OPTION_trace
:
3815 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3819 trace_events
= qemu_opt_get(opts
, "events");
3820 trace_file
= qemu_opt_get(opts
, "file");
3823 case QEMU_OPTION_readconfig
:
3825 int ret
= qemu_read_config_file(optarg
);
3827 fprintf(stderr
, "read config %s: %s\n", optarg
,
3833 case QEMU_OPTION_spice
:
3834 olist
= qemu_find_opts("spice");
3836 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3839 opts
= qemu_opts_parse(olist
, optarg
, 0);
3845 case QEMU_OPTION_writeconfig
:
3848 if (strcmp(optarg
, "-") == 0) {
3851 fp
= fopen(optarg
, "w");
3853 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3857 qemu_config_write(fp
);
3861 case QEMU_OPTION_qtest
:
3862 qtest_chrdev
= optarg
;
3864 case QEMU_OPTION_qtest_log
:
3867 case QEMU_OPTION_sandbox
:
3868 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3873 case QEMU_OPTION_add_fd
:
3875 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3880 error_report("File descriptor passing is disabled on this "
3885 case QEMU_OPTION_object
:
3886 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3891 case QEMU_OPTION_realtime
:
3892 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3896 configure_realtime(opts
);
3898 case QEMU_OPTION_msg
:
3899 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3903 configure_msg(opts
);
3906 os_parse_cmd_args(popt
->index
, optarg
);
3912 if (qemu_init_main_loop()) {
3913 fprintf(stderr
, "qemu_init_main_loop failed\n");
3917 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3922 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3926 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3931 if (machine_class
== NULL
) {
3932 fprintf(stderr
, "No machine specified, and there is no default.\n"
3933 "Use -machine help to list supported machines!\n");
3937 current_machine
= MACHINE(object_new(object_class_get_name(
3938 OBJECT_CLASS(machine_class
))));
3939 object_property_add_child(object_get_root(), "machine",
3940 OBJECT(current_machine
), &error_abort
);
3942 machine
= machine_class
->qemu_machine
;
3943 if (machine
->hw_version
) {
3944 qemu_set_version(machine
->hw_version
);
3947 if (qemu_opts_foreach(qemu_find_opts("object"),
3948 object_create
, NULL
, 0) != 0) {
3952 /* Init CPU def lists, based on config
3953 * - Must be called after all the qemu_read_config_file() calls
3954 * - Must be called before list_cpus()
3955 * - Must be called before machine->init()
3959 if (cpu_model
&& is_help_option(cpu_model
)) {
3960 list_cpus(stdout
, &fprintf
, cpu_model
);
3964 /* Open the logfile at this point, if necessary. We can't open the logfile
3965 * when encountering either of the logging options (-d or -D) because the
3966 * other one may be encountered later on the command line, changing the
3967 * location or level of logging.
3972 qemu_set_log_filename(log_file
);
3975 mask
= qemu_str_to_log_mask(log_mask
);
3977 qemu_print_log_usage(stdout
);
3983 if (!is_daemonized()) {
3984 if (!trace_backend_init(trace_events
, trace_file
)) {
3989 /* If no data_dir is specified then try to find it relative to the
3991 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3992 data_dir
[data_dir_idx
] = os_find_datadir();
3993 if (data_dir
[data_dir_idx
] != NULL
) {
3997 /* If all else fails use the install path specified when building. */
3998 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3999 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4002 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4004 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
4005 if (smp_cpus
> machine
->max_cpus
) {
4006 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4007 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
4013 * Get the default machine options from the machine if it is not already
4014 * specified either by the configuration file or by the command line.
4016 if (machine
->default_machine_opts
) {
4017 qemu_opts_set_defaults(qemu_find_opts("machine"),
4018 machine
->default_machine_opts
, 0);
4021 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4022 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4024 if (!vga_model
&& !default_vga
) {
4025 vga_interface_type
= VGA_DEVICE
;
4027 if (!has_defaults
|| machine
->no_serial
) {
4030 if (!has_defaults
|| machine
->no_parallel
) {
4031 default_parallel
= 0;
4033 if (!has_defaults
|| !machine
->use_virtcon
) {
4034 default_virtcon
= 0;
4036 if (!has_defaults
|| !machine
->use_sclp
) {
4039 if (!has_defaults
|| machine
->no_floppy
) {
4042 if (!has_defaults
|| machine
->no_cdrom
) {
4045 if (!has_defaults
|| machine
->no_sdcard
) {
4048 if (!has_defaults
) {
4049 default_monitor
= 0;
4054 if (is_daemonized()) {
4055 /* According to documentation and historically, -nographic redirects
4056 * serial port, parallel port and monitor to stdio, which does not work
4057 * with -daemonize. We can redirect these to null instead, but since
4058 * -nographic is legacy, let's just error out.
4059 * We disallow -nographic only if all other ports are not redirected
4060 * explicitly, to not break existing legacy setups which uses
4061 * -nographic _and_ redirects all ports explicitly - this is valid
4062 * usage, -nographic is just a no-op in this case.
4064 if (display_type
== DT_NOGRAPHIC
4065 && (default_parallel
|| default_serial
4066 || default_monitor
|| default_virtcon
)) {
4067 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4070 #ifdef CONFIG_CURSES
4071 if (display_type
== DT_CURSES
) {
4072 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4078 if (display_type
== DT_NOGRAPHIC
) {
4079 if (default_parallel
)
4080 add_device_config(DEV_PARALLEL
, "null");
4081 if (default_serial
&& default_monitor
) {
4082 add_device_config(DEV_SERIAL
, "mon:stdio");
4083 } else if (default_virtcon
&& default_monitor
) {
4084 add_device_config(DEV_VIRTCON
, "mon:stdio");
4085 } else if (default_sclp
&& default_monitor
) {
4086 add_device_config(DEV_SCLP
, "mon:stdio");
4089 add_device_config(DEV_SERIAL
, "stdio");
4090 if (default_virtcon
)
4091 add_device_config(DEV_VIRTCON
, "stdio");
4093 add_device_config(DEV_SCLP
, "stdio");
4095 if (default_monitor
)
4096 monitor_parse("stdio", "readline");
4100 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4101 if (default_parallel
)
4102 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4103 if (default_monitor
)
4104 monitor_parse("vc:80Cx24C", "readline");
4105 if (default_virtcon
)
4106 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4108 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4112 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4113 #if defined(CONFIG_GTK)
4114 display_type
= DT_GTK
;
4115 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4116 display_type
= DT_SDL
;
4117 #elif defined(CONFIG_VNC)
4118 vnc_display
= "localhost:0,to=99";
4121 display_type
= DT_NONE
;
4125 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4126 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4127 "for SDL, ignoring option\n");
4129 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4130 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4131 "ignoring option\n");
4134 #if defined(CONFIG_GTK)
4135 if (display_type
== DT_GTK
) {
4136 early_gtk_display_init();
4142 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4144 #ifdef CONFIG_VIRTFS
4145 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4152 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4157 /* init the memory */
4158 if (ram_size
== 0) {
4159 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4162 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4167 configure_accelerator(machine
);
4170 Error
*local_err
= NULL
;
4171 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4173 error_report("%s", error_get_pretty(local_err
));
4174 error_free(local_err
);
4179 machine_opts
= qemu_get_machine_opts();
4180 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4181 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4182 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4183 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4185 boot_order
= machine
->default_boot_order
;
4186 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4188 char *normal_boot_order
;
4189 const char *order
, *once
;
4191 order
= qemu_opt_get(opts
, "order");
4193 validate_bootdevices(order
);
4197 once
= qemu_opt_get(opts
, "once");
4199 validate_bootdevices(once
);
4200 normal_boot_order
= g_strdup(boot_order
);
4202 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4205 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4206 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4209 if (!kernel_cmdline
) {
4210 kernel_cmdline
= "";
4213 linux_boot
= (kernel_filename
!= NULL
);
4215 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4216 fprintf(stderr
, "-append only allowed with -kernel option\n");
4220 if (!linux_boot
&& initrd_filename
!= NULL
) {
4221 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4225 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4226 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4230 os_set_line_buffering();
4232 qemu_init_cpu_loop();
4233 qemu_mutex_lock_iothread();
4236 /* spice needs the timers to be initialized by this point */
4240 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4241 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4244 configure_icount(icount_option
);
4246 /* clean up network at qemu process termination */
4247 atexit(&net_cleanup
);
4249 if (net_init_clients() < 0) {
4254 if (tpm_init() < 0) {
4259 /* init the bluetooth world */
4260 if (foreach_device_config(DEV_BT
, bt_parse
))
4263 if (!xen_enabled()) {
4264 /* On 32-bit hosts, QEMU is limited by virtual address space */
4265 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4266 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4271 cpu_exec_init_all();
4275 /* open the virtual block devices */
4277 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4278 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4279 &machine
->block_default_type
, 1) != 0) {
4283 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4285 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4286 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4288 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4290 if (nb_numa_nodes
> 0) {
4293 if (nb_numa_nodes
> MAX_NODES
) {
4294 nb_numa_nodes
= MAX_NODES
;
4297 /* If no memory size if given for any node, assume the default case
4298 * and distribute the available memory equally across all nodes
4300 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4301 if (node_mem
[i
] != 0)
4304 if (i
== nb_numa_nodes
) {
4305 uint64_t usedmem
= 0;
4307 /* On Linux, the each node's border has to be 8MB aligned,
4308 * the final node gets the rest.
4310 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4311 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4312 usedmem
+= node_mem
[i
];
4314 node_mem
[i
] = ram_size
- usedmem
;
4317 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4318 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4322 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4323 * must cope with this anyway, because there are BIOSes out there in
4324 * real machines which also use this scheme.
4326 if (i
== nb_numa_nodes
) {
4327 for (i
= 0; i
< max_cpus
; i
++) {
4328 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4333 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4337 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4339 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4341 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4343 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4346 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4349 /* If no default VGA is requested, the default is "none". */
4351 if (cirrus_vga_available()) {
4352 vga_model
= "cirrus";
4353 } else if (vga_available()) {
4358 select_vgahw(vga_model
);
4362 i
= select_watchdog(watchdog
);
4364 exit (i
== 1 ? 1 : 0);
4367 if (machine
->compat_props
) {
4368 qdev_prop_register_global_list(machine
->compat_props
);
4372 qdev_machine_init();
4374 QEMUMachineInitArgs args
= { .machine
= machine
,
4375 .ram_size
= ram_size
,
4376 .boot_order
= boot_order
,
4377 .kernel_filename
= kernel_filename
,
4378 .kernel_cmdline
= kernel_cmdline
,
4379 .initrd_filename
= initrd_filename
,
4380 .cpu_model
= cpu_model
};
4382 current_machine
->init_args
= args
;
4383 machine
->init(¤t_machine
->init_args
);
4387 cpu_synchronize_all_post_init();
4391 /* init USB devices */
4392 if (usb_enabled(false)) {
4393 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4397 /* init generic devices */
4398 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4401 net_check_clients();
4403 ds
= init_displaystate();
4405 /* init local displays */
4406 switch (display_type
) {
4408 (void)ds
; /* avoid warning if no display is configured */
4410 #if defined(CONFIG_CURSES)
4412 curses_display_init(ds
, full_screen
);
4415 #if defined(CONFIG_SDL)
4417 sdl_display_init(ds
, full_screen
, no_frame
);
4419 #elif defined(CONFIG_COCOA)
4421 cocoa_display_init(ds
, full_screen
);
4424 #if defined(CONFIG_GTK)
4426 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4433 /* must be after terminal init, SDL library changes signal handlers */
4434 os_setup_signal_handling();
4437 /* init remote displays */
4439 Error
*local_err
= NULL
;
4440 vnc_display_init(ds
);
4441 vnc_display_open(ds
, vnc_display
, &local_err
);
4442 if (local_err
!= NULL
) {
4443 error_report("Failed to start VNC server on `%s': %s",
4444 vnc_display
, error_get_pretty(local_err
));
4445 error_free(local_err
);
4449 if (show_vnc_port
) {
4450 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4456 qemu_spice_display_init();
4460 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4464 qdev_machine_creation_done();
4466 if (rom_load_all() != 0) {
4467 fprintf(stderr
, "rom loading failed\n");
4471 /* TODO: once all bus devices are qdevified, this should be done
4472 * when bus is created by qdev.c */
4473 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4474 qemu_run_machine_init_done_notifiers();
4476 /* Done notifiers can load ROMs */
4479 qemu_system_reset(VMRESET_SILENT
);
4481 if (load_vmstate(loadvm
) < 0) {
4487 Error
*local_err
= NULL
;
4488 qemu_start_incoming_migration(incoming
, &local_err
);
4490 error_report("-incoming %s: %s", incoming
,
4491 error_get_pretty(local_err
));
4492 error_free(local_err
);
4495 } else if (autostart
) {
4501 if (is_daemonized()) {
4502 if (!trace_backend_init(trace_events
, trace_file
)) {