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 */ }
513 static QemuOptsList qemu_mem_opts
= {
515 .implied_opt_name
= "size",
516 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
521 .type
= QEMU_OPT_SIZE
,
523 { /* end of list */ }
528 * Get machine options
530 * Returns: machine options (never null).
532 QemuOpts
*qemu_get_machine_opts(void)
534 return qemu_find_opts_singleton("machine");
537 const char *qemu_get_vm_name(void)
542 static void res_free(void)
544 if (boot_splash_filedata
!= NULL
) {
545 g_free(boot_splash_filedata
);
546 boot_splash_filedata
= NULL
;
550 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
552 const char *driver
= qemu_opt_get(opts
, "driver");
557 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
558 if (strcmp(default_list
[i
].driver
, driver
) != 0)
560 *(default_list
[i
].flag
) = 0;
565 /***********************************************************/
568 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
573 } RunStateTransition
;
575 static const RunStateTransition runstate_transitions_def
[] = {
577 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
578 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
581 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
583 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
584 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
587 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
590 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
593 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
595 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
596 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
599 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
600 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
602 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
604 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
605 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
606 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
607 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
608 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
609 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
610 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
611 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
612 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
613 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
615 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
617 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
618 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
621 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
622 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
623 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
625 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
626 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
628 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
629 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
631 { RUN_STATE_MAX
, RUN_STATE_MAX
},
634 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
636 bool runstate_check(RunState state
)
638 return current_run_state
== state
;
641 static void runstate_init(void)
643 const RunStateTransition
*p
;
645 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
647 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
648 runstate_valid_transitions
[p
->from
][p
->to
] = true;
652 /* This function will abort() on invalid state transitions */
653 void runstate_set(RunState new_state
)
655 assert(new_state
< RUN_STATE_MAX
);
657 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
658 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
659 RunState_lookup
[current_run_state
],
660 RunState_lookup
[new_state
]);
663 trace_runstate_set(new_state
);
664 current_run_state
= new_state
;
667 int runstate_is_running(void)
669 return runstate_check(RUN_STATE_RUNNING
);
672 bool runstate_needs_reset(void)
674 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
675 runstate_check(RUN_STATE_SHUTDOWN
);
678 StatusInfo
*qmp_query_status(Error
**errp
)
680 StatusInfo
*info
= g_malloc0(sizeof(*info
));
682 info
->running
= runstate_is_running();
683 info
->singlestep
= singlestep
;
684 info
->status
= current_run_state
;
689 /***********************************************************/
690 /* real time host monotonic timer */
692 /***********************************************************/
693 /* host time/date access */
694 void qemu_get_timedate(struct tm
*tm
, int offset
)
700 if (rtc_date_offset
== -1) {
704 localtime_r(&ti
, tm
);
706 ti
-= rtc_date_offset
;
711 int qemu_timedate_diff(struct tm
*tm
)
715 if (rtc_date_offset
== -1)
717 seconds
= mktimegm(tm
);
720 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
721 seconds
= mktime(&tmp
);
724 seconds
= mktimegm(tm
) + rtc_date_offset
;
726 return seconds
- time(NULL
);
729 void rtc_change_mon_event(struct tm
*tm
)
733 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
734 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
735 qobject_decref(data
);
738 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
740 time_t rtc_start_date
;
743 if (!strcmp(startdate
, "now") && legacy
) {
744 rtc_date_offset
= -1;
746 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
754 } else if (sscanf(startdate
, "%d-%d-%d",
766 rtc_start_date
= mktimegm(&tm
);
767 if (rtc_start_date
== -1) {
769 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
770 "'2006-06-17T16:01:21' or '2006-06-17'\n");
773 rtc_date_offset
= time(NULL
) - rtc_start_date
;
777 static void configure_rtc(QemuOpts
*opts
)
781 value
= qemu_opt_get(opts
, "base");
783 if (!strcmp(value
, "utc")) {
785 } else if (!strcmp(value
, "localtime")) {
788 configure_rtc_date_offset(value
, 0);
791 value
= qemu_opt_get(opts
, "clock");
793 if (!strcmp(value
, "host")) {
794 rtc_clock
= QEMU_CLOCK_HOST
;
795 } else if (!strcmp(value
, "rt")) {
796 rtc_clock
= QEMU_CLOCK_REALTIME
;
797 } else if (!strcmp(value
, "vm")) {
798 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
800 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
804 value
= qemu_opt_get(opts
, "driftfix");
806 if (!strcmp(value
, "slew")) {
807 static GlobalProperty slew_lost_ticks
[] = {
809 .driver
= "mc146818rtc",
810 .property
= "lost_tick_policy",
813 { /* end of list */ }
816 qdev_prop_register_global_list(slew_lost_ticks
);
817 } else if (!strcmp(value
, "none")) {
818 /* discard is default */
820 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
826 /***********************************************************/
827 /* Bluetooth support */
830 static struct HCIInfo
*hci_table
[MAX_NICS
];
832 struct HCIInfo
*qemu_next_hci(void)
834 if (cur_hci
== nb_hcis
)
837 return hci_table
[cur_hci
++];
840 static int bt_hci_parse(const char *str
)
845 if (nb_hcis
>= MAX_NICS
) {
846 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
859 bdaddr
.b
[5] = 0x56 + nb_hcis
;
860 hci
->bdaddr_set(hci
, bdaddr
.b
);
862 hci_table
[nb_hcis
++] = hci
;
867 static void bt_vhci_add(int vlan_id
)
869 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
872 fprintf(stderr
, "qemu: warning: adding a VHCI to "
873 "an empty scatternet %i\n", vlan_id
);
875 bt_vhci_init(bt_new_hci(vlan
));
878 static struct bt_device_s
*bt_device_add(const char *opt
)
880 struct bt_scatternet_s
*vlan
;
882 char *endp
= strstr(opt
, ",vlan=");
883 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
886 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
889 vlan_id
= strtol(endp
+ 6, &endp
, 0);
891 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
896 vlan
= qemu_find_bt_vlan(vlan_id
);
899 fprintf(stderr
, "qemu: warning: adding a slave device to "
900 "an empty scatternet %i\n", vlan_id
);
902 if (!strcmp(devname
, "keyboard"))
903 return bt_keyboard_init(vlan
);
905 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
909 static int bt_parse(const char *opt
)
911 const char *endp
, *p
;
914 if (strstart(opt
, "hci", &endp
)) {
915 if (!*endp
|| *endp
== ',') {
917 if (!strstart(endp
, ",vlan=", 0))
920 return bt_hci_parse(opt
);
922 } else if (strstart(opt
, "vhci", &endp
)) {
923 if (!*endp
|| *endp
== ',') {
925 if (strstart(endp
, ",vlan=", &p
)) {
926 vlan
= strtol(p
, (char **) &endp
, 0);
928 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
932 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
941 } else if (strstart(opt
, "device:", &endp
))
942 return !bt_device_add(endp
);
944 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
948 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
950 /* FIXME: change this to true for 1.3 */
951 if (qemu_opt_get_bool(opts
, "enable", false)) {
952 #ifdef CONFIG_SECCOMP
953 if (seccomp_start() < 0) {
954 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
955 "failed to install seccomp syscall filter in the kernel");
959 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
960 "sandboxing request but seccomp is not compiled into this build");
968 static void parse_name(QemuOpts
*opts
)
970 const char *proc_name
;
972 if (qemu_opt_get(opts
, "debug-threads")) {
973 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
975 qemu_name
= qemu_opt_get(opts
, "guest");
977 proc_name
= qemu_opt_get(opts
, "process");
979 os_set_proc_name(proc_name
);
983 bool usb_enabled(bool default_usb
)
985 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
986 has_defaults
&& default_usb
);
990 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
992 int fd
, dupfd
, flags
;
994 const char *fd_opaque
= NULL
;
996 fd
= qemu_opt_get_number(opts
, "fd", -1);
997 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
998 fd_opaque
= qemu_opt_get(opts
, "opaque");
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1002 "fd option is required and must be non-negative");
1006 if (fd
<= STDERR_FILENO
) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1008 "fd cannot be a standard I/O stream");
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1016 flags
= fcntl(fd
, F_GETFD
);
1017 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1019 "fd is not valid or already in use");
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1025 "set option is required and must be non-negative");
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1034 qemu_set_cloexec(dupfd
);
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1039 "Error duplicating fd: %s", strerror(errno
));
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1050 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1054 fd
= qemu_opt_get_number(opts
, "fd", -1);
1061 /***********************************************************/
1062 /* QEMU Block devices */
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1067 #define PFLASH_OPTS ""
1071 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1073 BlockInterfaceType
*block_default_type
= opaque
;
1075 return drive_init(opts
, *block_default_type
) == NULL
;
1078 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1080 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1081 qemu_opt_set(opts
, "snapshot", "on");
1086 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1087 int index
, const char *optstr
)
1091 if (!enable
|| drive_get_by_index(type
, index
)) {
1095 opts
= drive_add(type
, index
, NULL
, optstr
);
1097 drive_enable_snapshot(opts
, NULL
);
1099 if (!drive_init(opts
, type
)) {
1104 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1106 boot_set_handler
= func
;
1107 boot_set_opaque
= opaque
;
1110 int qemu_boot_set(const char *boot_order
)
1112 if (!boot_set_handler
) {
1115 return boot_set_handler(boot_set_opaque
, boot_order
);
1118 static void validate_bootdevices(const char *devices
)
1120 /* We just do some generic consistency checks */
1124 for (p
= devices
; *p
!= '\0'; p
++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1134 if (*p
< 'a' || *p
> 'p') {
1135 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1138 if (bitmap
& (1 << (*p
- 'a'))) {
1139 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1142 bitmap
|= 1 << (*p
- 'a');
1146 static void restore_boot_order(void *opaque
)
1148 char *normal_boot_order
= opaque
;
1149 static int first
= 1;
1151 /* Restore boot order and remove ourselves after the first boot */
1157 qemu_boot_set(normal_boot_order
);
1159 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1160 g_free(normal_boot_order
);
1163 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1166 FWBootEntry
*node
, *i
;
1168 if (bootindex
< 0) {
1172 assert(dev
!= NULL
|| suffix
!= NULL
);
1174 node
= g_malloc0(sizeof(FWBootEntry
));
1175 node
->bootindex
= bootindex
;
1176 node
->suffix
= g_strdup(suffix
);
1179 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1180 if (i
->bootindex
== bootindex
) {
1181 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1183 } else if (i
->bootindex
< bootindex
) {
1186 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1189 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1192 DeviceState
*get_boot_device(uint32_t position
)
1194 uint32_t counter
= 0;
1195 FWBootEntry
*i
= NULL
;
1196 DeviceState
*res
= NULL
;
1198 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1199 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1200 if (counter
== position
) {
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1214 * memory pointed by "size" is assigned total length of the array in bytes
1217 char *get_boot_devices_list(size_t *size
, bool ignore_suffixes
)
1223 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1224 char *devpath
= NULL
, *bootpath
;
1228 devpath
= qdev_get_fw_dev_path(i
->dev
);
1232 if (i
->suffix
&& !ignore_suffixes
&& devpath
) {
1233 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1235 bootpath
= g_malloc(bootpathlen
);
1236 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1238 } else if (devpath
) {
1240 } else if (!ignore_suffixes
) {
1242 bootpath
= g_strdup(i
->suffix
);
1244 bootpath
= g_strdup("");
1248 list
[total
-1] = '\n';
1250 len
= strlen(bootpath
) + 1;
1251 list
= g_realloc(list
, total
+ len
);
1252 memcpy(&list
[total
], bootpath
, len
);
1259 if (boot_strict
&& *size
> 0) {
1260 list
[total
-1] = '\n';
1261 list
= g_realloc(list
, total
+ 5);
1262 memcpy(&list
[total
], "HALT", 5);
1268 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1271 unsigned long long value
, endvalue
;
1273 /* Empty CPU range strings will be considered valid, they will simply
1274 * not set any bit in the CPU bitmap.
1280 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1283 if (*endptr
== '-') {
1284 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1287 } else if (*endptr
== '\0') {
1293 if (endvalue
>= MAX_CPUMASK_BITS
) {
1294 endvalue
= MAX_CPUMASK_BITS
- 1;
1296 "qemu: NUMA: A max of %d VCPUs are supported\n",
1300 if (endvalue
< value
) {
1304 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1308 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1312 static void numa_add(const char *optarg
)
1316 unsigned long long nodenr
;
1318 optarg
= get_opt_name(option
, 128, optarg
, ',');
1319 if (*optarg
== ',') {
1322 if (!strcmp(option
, "node")) {
1324 if (nb_numa_nodes
>= MAX_NODES
) {
1325 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1329 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1330 nodenr
= nb_numa_nodes
;
1332 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1333 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1338 if (nodenr
>= MAX_NODES
) {
1339 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1343 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1344 node_mem
[nodenr
] = 0;
1347 sval
= strtosz(option
, &endptr
);
1348 if (sval
< 0 || *endptr
) {
1349 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1352 node_mem
[nodenr
] = sval
;
1354 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1355 numa_node_parse_cpus(nodenr
, option
);
1359 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1364 static QemuOptsList qemu_smp_opts
= {
1366 .implied_opt_name
= "cpus",
1367 .merge_lists
= true,
1368 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1372 .type
= QEMU_OPT_NUMBER
,
1375 .type
= QEMU_OPT_NUMBER
,
1378 .type
= QEMU_OPT_NUMBER
,
1381 .type
= QEMU_OPT_NUMBER
,
1384 .type
= QEMU_OPT_NUMBER
,
1386 { /*End of list */ }
1390 static void smp_parse(QemuOpts
*opts
)
1394 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1395 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1396 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1397 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1399 /* compute missing values, prefer sockets over cores over threads */
1400 if (cpus
== 0 || sockets
== 0) {
1401 sockets
= sockets
> 0 ? sockets
: 1;
1402 cores
= cores
> 0 ? cores
: 1;
1403 threads
= threads
> 0 ? threads
: 1;
1405 cpus
= cores
* threads
* sockets
;
1409 threads
= threads
> 0 ? threads
: 1;
1410 cores
= cpus
/ (sockets
* threads
);
1412 threads
= cpus
/ (cores
* sockets
);
1416 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1419 smp_cores
= cores
> 0 ? cores
: 1;
1420 smp_threads
= threads
> 0 ? threads
: 1;
1424 if (max_cpus
== 0) {
1425 max_cpus
= smp_cpus
;
1428 if (max_cpus
> MAX_CPUMASK_BITS
) {
1429 fprintf(stderr
, "Unsupported number of maxcpus\n");
1432 if (max_cpus
< smp_cpus
) {
1433 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1439 static void configure_realtime(QemuOpts
*opts
)
1443 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1446 if (os_mlock() < 0) {
1447 fprintf(stderr
, "qemu: locking memory failed\n");
1454 static void configure_msg(QemuOpts
*opts
)
1456 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1459 /***********************************************************/
1462 static int usb_device_add(const char *devname
)
1464 USBDevice
*dev
= NULL
;
1465 #ifndef CONFIG_LINUX
1469 if (!usb_enabled(false)) {
1473 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1474 dev
= usbdevice_create(devname
);
1478 /* the other ones */
1479 #ifndef CONFIG_LINUX
1480 /* only the linux version is qdev-ified, usb-bsd still needs this */
1481 if (strstart(devname
, "host:", &p
)) {
1482 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1492 static int usb_device_del(const char *devname
)
1497 if (strstart(devname
, "host:", &p
)) {
1501 if (!usb_enabled(false)) {
1505 p
= strchr(devname
, '.');
1508 bus_num
= strtoul(devname
, NULL
, 0);
1509 addr
= strtoul(p
+ 1, NULL
, 0);
1511 return usb_device_delete_addr(bus_num
, addr
);
1514 static int usb_parse(const char *cmdline
)
1517 r
= usb_device_add(cmdline
);
1519 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1524 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1526 const char *devname
= qdict_get_str(qdict
, "devname");
1527 if (usb_device_add(devname
) < 0) {
1528 error_report("could not add USB device '%s'", devname
);
1532 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1534 const char *devname
= qdict_get_str(qdict
, "devname");
1535 if (usb_device_del(devname
) < 0) {
1536 error_report("could not delete USB device '%s'", devname
);
1540 /***********************************************************/
1541 /* PCMCIA/Cardbus */
1543 static struct pcmcia_socket_entry_s
{
1544 PCMCIASocket
*socket
;
1545 struct pcmcia_socket_entry_s
*next
;
1546 } *pcmcia_sockets
= 0;
1548 void pcmcia_socket_register(PCMCIASocket
*socket
)
1550 struct pcmcia_socket_entry_s
*entry
;
1552 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1553 entry
->socket
= socket
;
1554 entry
->next
= pcmcia_sockets
;
1555 pcmcia_sockets
= entry
;
1558 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1560 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1562 ptr
= &pcmcia_sockets
;
1563 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1564 if (entry
->socket
== socket
) {
1570 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1572 struct pcmcia_socket_entry_s
*iter
;
1574 if (!pcmcia_sockets
)
1575 monitor_printf(mon
, "No PCMCIA sockets\n");
1577 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1578 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1579 iter
->socket
->attached
? iter
->socket
->card_string
:
1583 /***********************************************************/
1584 /* machine registration */
1586 MachineState
*current_machine
;
1588 static void machine_class_init(ObjectClass
*oc
, void *data
)
1590 MachineClass
*mc
= MACHINE_CLASS(oc
);
1591 QEMUMachine
*qm
= data
;
1593 mc
->name
= qm
->name
;
1594 mc
->alias
= qm
->alias
;
1595 mc
->desc
= qm
->desc
;
1596 mc
->init
= qm
->init
;
1597 mc
->reset
= qm
->reset
;
1598 mc
->hot_add_cpu
= qm
->hot_add_cpu
;
1599 mc
->kvm_type
= qm
->kvm_type
;
1600 mc
->block_default_type
= qm
->block_default_type
;
1601 mc
->max_cpus
= qm
->max_cpus
;
1602 mc
->no_serial
= qm
->no_serial
;
1603 mc
->no_parallel
= qm
->no_parallel
;
1604 mc
->use_virtcon
= qm
->use_virtcon
;
1605 mc
->use_sclp
= qm
->use_sclp
;
1606 mc
->no_floppy
= qm
->no_floppy
;
1607 mc
->no_cdrom
= qm
->no_cdrom
;
1608 mc
->no_sdcard
= qm
->no_sdcard
;
1609 mc
->is_default
= qm
->is_default
;
1610 mc
->default_machine_opts
= qm
->default_machine_opts
;
1611 mc
->default_boot_order
= qm
->default_boot_order
;
1612 mc
->compat_props
= qm
->compat_props
;
1613 mc
->hw_version
= qm
->hw_version
;
1616 int qemu_register_machine(QEMUMachine
*m
)
1618 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1621 .parent
= TYPE_MACHINE
,
1622 .class_init
= machine_class_init
,
1623 .class_data
= (void *)m
,
1632 static MachineClass
*find_machine(const char *name
)
1634 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1635 MachineClass
*mc
= NULL
;
1637 for (el
= machines
; el
; el
= el
->next
) {
1638 MachineClass
*temp
= el
->data
;
1640 if (!strcmp(temp
->name
, name
)) {
1645 !strcmp(temp
->alias
, name
)) {
1651 g_slist_free(machines
);
1655 MachineClass
*find_default_machine(void)
1657 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1658 MachineClass
*mc
= NULL
;
1660 for (el
= machines
; el
; el
= el
->next
) {
1661 MachineClass
*temp
= el
->data
;
1663 if (temp
->is_default
) {
1669 g_slist_free(machines
);
1673 MachineInfoList
*qmp_query_machines(Error
**errp
)
1675 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1676 MachineInfoList
*mach_list
= NULL
;
1678 for (el
= machines
; el
; el
= el
->next
) {
1679 MachineClass
*mc
= el
->data
;
1680 MachineInfoList
*entry
;
1683 info
= g_malloc0(sizeof(*info
));
1684 if (mc
->is_default
) {
1685 info
->has_is_default
= true;
1686 info
->is_default
= true;
1690 info
->has_alias
= true;
1691 info
->alias
= g_strdup(mc
->alias
);
1694 info
->name
= g_strdup(mc
->name
);
1695 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1697 entry
= g_malloc0(sizeof(*entry
));
1698 entry
->value
= info
;
1699 entry
->next
= mach_list
;
1703 g_slist_free(machines
);
1707 /***********************************************************/
1708 /* main execution loop */
1710 struct vm_change_state_entry
{
1711 VMChangeStateHandler
*cb
;
1713 QLIST_ENTRY (vm_change_state_entry
) entries
;
1716 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1718 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1721 VMChangeStateEntry
*e
;
1723 e
= g_malloc0(sizeof (*e
));
1727 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1731 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1733 QLIST_REMOVE (e
, entries
);
1737 void vm_state_notify(int running
, RunState state
)
1739 VMChangeStateEntry
*e
;
1741 trace_vm_state_notify(running
, state
);
1743 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1744 e
->cb(e
->opaque
, running
, state
);
1750 if (!runstate_is_running()) {
1752 runstate_set(RUN_STATE_RUNNING
);
1753 vm_state_notify(1, RUN_STATE_RUNNING
);
1755 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1759 /* reset/shutdown handler */
1761 typedef struct QEMUResetEntry
{
1762 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1763 QEMUResetHandler
*func
;
1767 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1768 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1769 static int reset_requested
;
1770 static int shutdown_requested
, shutdown_signal
= -1;
1771 static pid_t shutdown_pid
;
1772 static int powerdown_requested
;
1773 static int debug_requested
;
1774 static int suspend_requested
;
1775 static WakeupReason wakeup_reason
;
1776 static NotifierList powerdown_notifiers
=
1777 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1778 static NotifierList suspend_notifiers
=
1779 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1780 static NotifierList wakeup_notifiers
=
1781 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1782 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1783 static RunState vmstop_requested
= RUN_STATE_MAX
;
1785 int qemu_shutdown_requested_get(void)
1787 return shutdown_requested
;
1790 int qemu_reset_requested_get(void)
1792 return reset_requested
;
1795 static int qemu_shutdown_requested(void)
1797 int r
= shutdown_requested
;
1798 shutdown_requested
= 0;
1802 static void qemu_kill_report(void)
1804 if (!qtest_driver() && shutdown_signal
!= -1) {
1805 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1806 if (shutdown_pid
== 0) {
1807 /* This happens for eg ^C at the terminal, so it's worth
1808 * avoiding printing an odd message in that case.
1810 fputc('\n', stderr
);
1812 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1814 shutdown_signal
= -1;
1818 static int qemu_reset_requested(void)
1820 int r
= reset_requested
;
1821 reset_requested
= 0;
1825 static int qemu_suspend_requested(void)
1827 int r
= suspend_requested
;
1828 suspend_requested
= 0;
1832 static WakeupReason
qemu_wakeup_requested(void)
1834 return wakeup_reason
;
1837 static int qemu_powerdown_requested(void)
1839 int r
= powerdown_requested
;
1840 powerdown_requested
= 0;
1844 static int qemu_debug_requested(void)
1846 int r
= debug_requested
;
1847 debug_requested
= 0;
1851 /* We use RUN_STATE_MAX but any invalid value will do */
1852 static bool qemu_vmstop_requested(RunState
*r
)
1854 if (vmstop_requested
< RUN_STATE_MAX
) {
1855 *r
= vmstop_requested
;
1856 vmstop_requested
= RUN_STATE_MAX
;
1863 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1865 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1868 re
->opaque
= opaque
;
1869 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1872 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1876 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1877 if (re
->func
== func
&& re
->opaque
== opaque
) {
1878 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1885 void qemu_devices_reset(void)
1887 QEMUResetEntry
*re
, *nre
;
1889 /* reset all devices */
1890 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1891 re
->func(re
->opaque
);
1895 void qemu_system_reset(bool report
)
1899 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1901 if (mc
&& mc
->reset
) {
1904 qemu_devices_reset();
1907 monitor_protocol_event(QEVENT_RESET
, NULL
);
1909 cpu_synchronize_all_post_reset();
1912 void qemu_system_reset_request(void)
1915 shutdown_requested
= 1;
1917 reset_requested
= 1;
1920 qemu_notify_event();
1923 static void qemu_system_suspend(void)
1926 notifier_list_notify(&suspend_notifiers
, NULL
);
1927 runstate_set(RUN_STATE_SUSPENDED
);
1928 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1931 void qemu_system_suspend_request(void)
1933 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1936 suspend_requested
= 1;
1938 qemu_notify_event();
1941 void qemu_register_suspend_notifier(Notifier
*notifier
)
1943 notifier_list_add(&suspend_notifiers
, notifier
);
1946 void qemu_system_wakeup_request(WakeupReason reason
)
1948 trace_system_wakeup_request(reason
);
1950 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1953 if (!(wakeup_reason_mask
& (1 << reason
))) {
1956 runstate_set(RUN_STATE_RUNNING
);
1957 wakeup_reason
= reason
;
1958 qemu_notify_event();
1961 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1964 wakeup_reason_mask
|= (1 << reason
);
1966 wakeup_reason_mask
&= ~(1 << reason
);
1970 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1972 notifier_list_add(&wakeup_notifiers
, notifier
);
1975 void qemu_system_killed(int signal
, pid_t pid
)
1977 shutdown_signal
= signal
;
1980 qemu_system_shutdown_request();
1983 void qemu_system_shutdown_request(void)
1985 shutdown_requested
= 1;
1986 qemu_notify_event();
1989 static void qemu_system_powerdown(void)
1991 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1992 notifier_list_notify(&powerdown_notifiers
, NULL
);
1995 void qemu_system_powerdown_request(void)
1997 powerdown_requested
= 1;
1998 qemu_notify_event();
2001 void qemu_register_powerdown_notifier(Notifier
*notifier
)
2003 notifier_list_add(&powerdown_notifiers
, notifier
);
2006 void qemu_system_debug_request(void)
2008 debug_requested
= 1;
2009 qemu_notify_event();
2012 void qemu_system_vmstop_request(RunState state
)
2014 vmstop_requested
= state
;
2015 qemu_notify_event();
2018 static bool main_loop_should_exit(void)
2021 if (qemu_debug_requested()) {
2022 vm_stop(RUN_STATE_DEBUG
);
2024 if (qemu_suspend_requested()) {
2025 qemu_system_suspend();
2027 if (qemu_shutdown_requested()) {
2029 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2031 vm_stop(RUN_STATE_SHUTDOWN
);
2036 if (qemu_reset_requested()) {
2038 cpu_synchronize_all_states();
2039 qemu_system_reset(VMRESET_REPORT
);
2041 if (runstate_needs_reset()) {
2042 runstate_set(RUN_STATE_PAUSED
);
2045 if (qemu_wakeup_requested()) {
2047 cpu_synchronize_all_states();
2048 qemu_system_reset(VMRESET_SILENT
);
2049 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2050 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2052 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2054 if (qemu_powerdown_requested()) {
2055 qemu_system_powerdown();
2057 if (qemu_vmstop_requested(&r
)) {
2063 static void main_loop(void)
2067 #ifdef CONFIG_PROFILER
2071 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2072 #ifdef CONFIG_PROFILER
2073 ti
= profile_getclock();
2075 last_io
= main_loop_wait(nonblocking
);
2076 #ifdef CONFIG_PROFILER
2077 dev_time
+= profile_getclock() - ti
;
2079 } while (!main_loop_should_exit());
2082 static void version(void)
2084 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2087 static void help(int exitcode
)
2090 printf("usage: %s [options] [disk_image]\n\n"
2091 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2092 error_get_progname());
2094 #define QEMU_OPTIONS_GENERATE_HELP
2095 #include "qemu-options-wrapper.h"
2097 printf("\nDuring emulation, the following keys are useful:\n"
2098 "ctrl-alt-f toggle full screen\n"
2099 "ctrl-alt-n switch to virtual console 'n'\n"
2100 "ctrl-alt toggle mouse and keyboard grab\n"
2102 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2107 #define HAS_ARG 0x0001
2109 typedef struct QEMUOption
{
2116 static const QEMUOption qemu_options
[] = {
2117 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2118 #define QEMU_OPTIONS_GENERATE_OPTIONS
2119 #include "qemu-options-wrapper.h"
2123 static bool vga_available(void)
2125 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2128 static bool cirrus_vga_available(void)
2130 return object_class_by_name("cirrus-vga")
2131 || object_class_by_name("isa-cirrus-vga");
2134 static bool vmware_vga_available(void)
2136 return object_class_by_name("vmware-svga");
2139 static bool qxl_vga_available(void)
2141 return object_class_by_name("qxl-vga");
2144 static bool tcx_vga_available(void)
2146 return object_class_by_name("SUNW,tcx");
2149 static bool cg3_vga_available(void)
2151 return object_class_by_name("cgthree");
2154 static void select_vgahw (const char *p
)
2158 assert(vga_interface_type
== VGA_NONE
);
2159 if (strstart(p
, "std", &opts
)) {
2160 if (vga_available()) {
2161 vga_interface_type
= VGA_STD
;
2163 fprintf(stderr
, "Error: standard VGA not available\n");
2166 } else if (strstart(p
, "cirrus", &opts
)) {
2167 if (cirrus_vga_available()) {
2168 vga_interface_type
= VGA_CIRRUS
;
2170 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2173 } else if (strstart(p
, "vmware", &opts
)) {
2174 if (vmware_vga_available()) {
2175 vga_interface_type
= VGA_VMWARE
;
2177 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2180 } else if (strstart(p
, "xenfb", &opts
)) {
2181 vga_interface_type
= VGA_XENFB
;
2182 } else if (strstart(p
, "qxl", &opts
)) {
2183 if (qxl_vga_available()) {
2184 vga_interface_type
= VGA_QXL
;
2186 fprintf(stderr
, "Error: QXL VGA not available\n");
2189 } else if (strstart(p
, "tcx", &opts
)) {
2190 if (tcx_vga_available()) {
2191 vga_interface_type
= VGA_TCX
;
2193 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2196 } else if (strstart(p
, "cg3", &opts
)) {
2197 if (cg3_vga_available()) {
2198 vga_interface_type
= VGA_CG3
;
2200 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2203 } else if (!strstart(p
, "none", &opts
)) {
2205 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2209 const char *nextopt
;
2211 if (strstart(opts
, ",retrace=", &nextopt
)) {
2213 if (strstart(opts
, "dumb", &nextopt
))
2214 vga_retrace_method
= VGA_RETRACE_DUMB
;
2215 else if (strstart(opts
, "precise", &nextopt
))
2216 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2217 else goto invalid_vga
;
2218 } else goto invalid_vga
;
2223 static DisplayType
select_display(const char *p
)
2226 DisplayType display
= DT_DEFAULT
;
2228 if (strstart(p
, "sdl", &opts
)) {
2232 const char *nextopt
;
2234 if (strstart(opts
, ",frame=", &nextopt
)) {
2236 if (strstart(opts
, "on", &nextopt
)) {
2238 } else if (strstart(opts
, "off", &nextopt
)) {
2241 goto invalid_sdl_args
;
2243 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2245 if (strstart(opts
, "on", &nextopt
)) {
2247 } else if (strstart(opts
, "off", &nextopt
)) {
2250 goto invalid_sdl_args
;
2252 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2254 if (strstart(opts
, "on", &nextopt
)) {
2256 } else if (strstart(opts
, "off", &nextopt
)) {
2259 goto invalid_sdl_args
;
2261 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2263 if (strstart(opts
, "on", &nextopt
)) {
2265 } else if (strstart(opts
, "off", &nextopt
)) {
2268 goto invalid_sdl_args
;
2272 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2278 fprintf(stderr
, "SDL support is disabled\n");
2281 } else if (strstart(p
, "vnc", &opts
)) {
2286 const char *nextopt
;
2288 if (strstart(opts
, "=", &nextopt
)) {
2289 vnc_display
= nextopt
;
2293 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2297 fprintf(stderr
, "VNC support is disabled\n");
2300 } else if (strstart(p
, "curses", &opts
)) {
2301 #ifdef CONFIG_CURSES
2302 display
= DT_CURSES
;
2304 fprintf(stderr
, "Curses support is disabled\n");
2307 } else if (strstart(p
, "gtk", &opts
)) {
2311 const char *nextopt
;
2313 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2315 if (strstart(opts
, "on", &nextopt
)) {
2316 grab_on_hover
= true;
2317 } else if (strstart(opts
, "off", &nextopt
)) {
2318 grab_on_hover
= false;
2320 goto invalid_gtk_args
;
2324 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2330 fprintf(stderr
, "GTK support is disabled\n");
2333 } else if (strstart(p
, "none", &opts
)) {
2336 fprintf(stderr
, "Unknown display type: %s\n", p
);
2343 static int balloon_parse(const char *arg
)
2347 if (strcmp(arg
, "none") == 0) {
2351 if (!strncmp(arg
, "virtio", 6)) {
2352 if (arg
[6] == ',') {
2353 /* have params -> parse them */
2354 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2358 /* create empty opts */
2359 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2362 qemu_opt_set(opts
, "driver", "virtio-balloon");
2369 char *qemu_find_file(int type
, const char *name
)
2375 /* Try the name as a straight path first */
2376 if (access(name
, R_OK
) == 0) {
2377 trace_load_file(name
, name
);
2378 return g_strdup(name
);
2382 case QEMU_FILE_TYPE_BIOS
:
2385 case QEMU_FILE_TYPE_KEYMAP
:
2386 subdir
= "keymaps/";
2392 for (i
= 0; i
< data_dir_idx
; i
++) {
2393 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2394 if (access(buf
, R_OK
) == 0) {
2395 trace_load_file(name
, buf
);
2403 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2405 return qdev_device_help(opts
);
2408 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2412 dev
= qdev_device_add(opts
);
2415 object_unref(OBJECT(dev
));
2419 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2421 Error
*local_err
= NULL
;
2423 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2425 error_report("%s", error_get_pretty(local_err
));
2426 error_free(local_err
);
2432 #ifdef CONFIG_VIRTFS
2433 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2436 ret
= qemu_fsdev_add(opts
);
2442 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2444 CharDriverState
*chr
;
2445 const char *chardev
;
2449 mode
= qemu_opt_get(opts
, "mode");
2453 if (strcmp(mode
, "readline") == 0) {
2454 flags
= MONITOR_USE_READLINE
;
2455 } else if (strcmp(mode
, "control") == 0) {
2456 flags
= MONITOR_USE_CONTROL
;
2458 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2462 if (qemu_opt_get_bool(opts
, "pretty", 0))
2463 flags
|= MONITOR_USE_PRETTY
;
2465 if (qemu_opt_get_bool(opts
, "default", 0))
2466 flags
|= MONITOR_IS_DEFAULT
;
2468 chardev
= qemu_opt_get(opts
, "chardev");
2469 chr
= qemu_chr_find(chardev
);
2471 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2475 qemu_chr_fe_claim_no_fail(chr
);
2476 monitor_init(chr
, flags
);
2480 static void monitor_parse(const char *optarg
, const char *mode
)
2482 static int monitor_device_index
= 0;
2488 if (strstart(optarg
, "chardev:", &p
)) {
2489 snprintf(label
, sizeof(label
), "%s", p
);
2491 snprintf(label
, sizeof(label
), "compat_monitor%d",
2492 monitor_device_index
);
2493 if (monitor_device_index
== 0) {
2496 opts
= qemu_chr_parse_compat(label
, optarg
);
2498 fprintf(stderr
, "parse error: %s\n", optarg
);
2503 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2505 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2508 qemu_opt_set(opts
, "mode", mode
);
2509 qemu_opt_set(opts
, "chardev", label
);
2511 qemu_opt_set(opts
, "default", "on");
2512 monitor_device_index
++;
2515 struct device_config
{
2517 DEV_USB
, /* -usbdevice */
2519 DEV_SERIAL
, /* -serial */
2520 DEV_PARALLEL
, /* -parallel */
2521 DEV_VIRTCON
, /* -virtioconsole */
2522 DEV_DEBUGCON
, /* -debugcon */
2523 DEV_GDB
, /* -gdb, -s */
2524 DEV_SCLP
, /* s390 sclp */
2526 const char *cmdline
;
2528 QTAILQ_ENTRY(device_config
) next
;
2531 static QTAILQ_HEAD(, device_config
) device_configs
=
2532 QTAILQ_HEAD_INITIALIZER(device_configs
);
2534 static void add_device_config(int type
, const char *cmdline
)
2536 struct device_config
*conf
;
2538 conf
= g_malloc0(sizeof(*conf
));
2540 conf
->cmdline
= cmdline
;
2541 loc_save(&conf
->loc
);
2542 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2545 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2547 struct device_config
*conf
;
2550 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2551 if (conf
->type
!= type
)
2553 loc_push_restore(&conf
->loc
);
2554 rc
= func(conf
->cmdline
);
2555 loc_pop(&conf
->loc
);
2562 static int serial_parse(const char *devname
)
2564 static int index
= 0;
2567 if (strcmp(devname
, "none") == 0)
2569 if (index
== MAX_SERIAL_PORTS
) {
2570 fprintf(stderr
, "qemu: too many serial ports\n");
2573 snprintf(label
, sizeof(label
), "serial%d", index
);
2574 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2575 if (!serial_hds
[index
]) {
2576 fprintf(stderr
, "qemu: could not connect serial device"
2577 " to character backend '%s'\n", devname
);
2584 static int parallel_parse(const char *devname
)
2586 static int index
= 0;
2589 if (strcmp(devname
, "none") == 0)
2591 if (index
== MAX_PARALLEL_PORTS
) {
2592 fprintf(stderr
, "qemu: too many parallel ports\n");
2595 snprintf(label
, sizeof(label
), "parallel%d", index
);
2596 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2597 if (!parallel_hds
[index
]) {
2598 fprintf(stderr
, "qemu: could not connect parallel device"
2599 " to character backend '%s'\n", devname
);
2606 static int virtcon_parse(const char *devname
)
2608 QemuOptsList
*device
= qemu_find_opts("device");
2609 static int index
= 0;
2611 QemuOpts
*bus_opts
, *dev_opts
;
2613 if (strcmp(devname
, "none") == 0)
2615 if (index
== MAX_VIRTIO_CONSOLES
) {
2616 fprintf(stderr
, "qemu: too many virtio consoles\n");
2620 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2621 if (arch_type
== QEMU_ARCH_S390X
) {
2622 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2624 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2627 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2628 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2630 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2631 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2632 if (!virtcon_hds
[index
]) {
2633 fprintf(stderr
, "qemu: could not connect virtio console"
2634 " to character backend '%s'\n", devname
);
2637 qemu_opt_set(dev_opts
, "chardev", label
);
2643 static int sclp_parse(const char *devname
)
2645 QemuOptsList
*device
= qemu_find_opts("device");
2646 static int index
= 0;
2650 if (strcmp(devname
, "none") == 0) {
2653 if (index
== MAX_SCLP_CONSOLES
) {
2654 fprintf(stderr
, "qemu: too many sclp consoles\n");
2658 assert(arch_type
== QEMU_ARCH_S390X
);
2660 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2661 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2663 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2664 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2665 if (!sclp_hds
[index
]) {
2666 fprintf(stderr
, "qemu: could not connect sclp console"
2667 " to character backend '%s'\n", devname
);
2670 qemu_opt_set(dev_opts
, "chardev", label
);
2676 static int debugcon_parse(const char *devname
)
2680 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2683 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2685 fprintf(stderr
, "qemu: already have a debugcon device\n");
2688 qemu_opt_set(opts
, "driver", "isa-debugcon");
2689 qemu_opt_set(opts
, "chardev", "debugcon");
2693 static MachineClass
*machine_parse(const char *name
)
2695 MachineClass
*mc
= NULL
;
2696 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2699 mc
= find_machine(name
);
2704 if (name
&& !is_help_option(name
)) {
2705 error_report("Unsupported machine type");
2706 error_printf("Use -machine help to list supported machines!\n");
2708 printf("Supported machines are:\n");
2709 for (el
= machines
; el
; el
= el
->next
) {
2710 MachineClass
*mc
= el
->data
;
2712 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2714 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2715 mc
->is_default
? " (default)" : "");
2719 g_slist_free(machines
);
2720 exit(!name
|| !is_help_option(name
));
2723 static int tcg_init(MachineClass
*mc
)
2725 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2730 const char *opt_name
;
2732 int (*available
)(void);
2733 int (*init
)(MachineClass
*mc
);
2736 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2737 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2738 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2739 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2742 static int configure_accelerator(MachineClass
*mc
)
2747 bool accel_initialised
= false;
2748 bool init_failed
= false;
2750 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2752 /* Use the default "accelerator", tcg */
2756 while (!accel_initialised
&& *p
!= '\0') {
2760 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2761 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2762 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2763 if (!accel_list
[i
].available()) {
2764 printf("%s not supported for this target\n",
2765 accel_list
[i
].name
);
2768 *(accel_list
[i
].allowed
) = true;
2769 ret
= accel_list
[i
].init(mc
);
2772 fprintf(stderr
, "failed to initialize %s: %s\n",
2775 *(accel_list
[i
].allowed
) = false;
2777 accel_initialised
= true;
2782 if (i
== ARRAY_SIZE(accel_list
)) {
2783 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2787 if (!accel_initialised
) {
2789 fprintf(stderr
, "No accelerator found!\n");
2795 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2798 return !accel_initialised
;
2801 void qemu_add_exit_notifier(Notifier
*notify
)
2803 notifier_list_add(&exit_notifiers
, notify
);
2806 void qemu_remove_exit_notifier(Notifier
*notify
)
2808 notifier_remove(notify
);
2811 static void qemu_run_exit_notifiers(void)
2813 notifier_list_notify(&exit_notifiers
, NULL
);
2816 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2818 notifier_list_add(&machine_init_done_notifiers
, notify
);
2821 static void qemu_run_machine_init_done_notifiers(void)
2823 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2826 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2827 const char **poptarg
, int *poptind
)
2829 const QEMUOption
*popt
;
2830 int optind
= *poptind
;
2831 char *r
= argv
[optind
];
2834 loc_set_cmdline(argv
, optind
, 1);
2836 /* Treat --foo the same as -foo. */
2839 popt
= qemu_options
;
2842 error_report("invalid option");
2845 if (!strcmp(popt
->name
, r
+ 1))
2849 if (popt
->flags
& HAS_ARG
) {
2850 if (optind
>= argc
) {
2851 error_report("requires an argument");
2854 optarg
= argv
[optind
++];
2855 loc_set_cmdline(argv
, optind
- 2, 2);
2866 static gpointer
malloc_and_trace(gsize n_bytes
)
2868 void *ptr
= malloc(n_bytes
);
2869 trace_g_malloc(n_bytes
, ptr
);
2873 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2875 void *ptr
= realloc(mem
, n_bytes
);
2876 trace_g_realloc(mem
, n_bytes
, ptr
);
2880 static void free_and_trace(gpointer mem
)
2886 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2888 Object
*obj
= OBJECT(opaque
);
2889 StringInputVisitor
*siv
;
2890 Error
*local_err
= NULL
;
2892 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2896 siv
= string_input_visitor_new(value
);
2897 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2898 string_input_visitor_cleanup(siv
);
2901 qerror_report_err(local_err
);
2902 error_free(local_err
);
2909 static int object_create(QemuOpts
*opts
, void *opaque
)
2911 const char *type
= qemu_opt_get(opts
, "qom-type");
2912 const char *id
= qemu_opts_id(opts
);
2913 Error
*local_err
= NULL
;
2916 g_assert(type
!= NULL
);
2919 qerror_report(QERR_MISSING_PARAMETER
, "id");
2923 obj
= object_new(type
);
2924 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2929 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2930 error_setg(&local_err
, "object '%s' isn't supported by -object",
2935 user_creatable_complete(obj
, &local_err
);
2940 object_property_add_child(container_get(object_get_root(), "/objects"),
2941 id
, obj
, &local_err
);
2946 qerror_report_err(local_err
);
2947 error_free(local_err
);
2953 int main(int argc
, char **argv
, char **envp
)
2956 int snapshot
, linux_boot
;
2957 const char *icount_option
= NULL
;
2958 const char *initrd_filename
;
2959 const char *kernel_filename
, *kernel_cmdline
;
2960 const char *boot_order
;
2962 int cyls
, heads
, secs
, translation
;
2963 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2964 QemuOptsList
*olist
;
2967 const char *loadvm
= NULL
;
2968 MachineClass
*machine_class
;
2969 const char *cpu_model
;
2970 const char *vga_model
= NULL
;
2971 const char *qtest_chrdev
= NULL
;
2972 const char *qtest_log
= NULL
;
2973 const char *pid_file
= NULL
;
2974 const char *incoming
= NULL
;
2976 int show_vnc_port
= 0;
2978 bool defconfig
= true;
2979 bool userconfig
= true;
2980 const char *log_mask
= NULL
;
2981 const char *log_file
= NULL
;
2982 GMemVTable mem_trace
= {
2983 .malloc
= malloc_and_trace
,
2984 .realloc
= realloc_and_trace
,
2985 .free
= free_and_trace
,
2987 const char *trace_events
= NULL
;
2988 const char *trace_file
= NULL
;
2989 const ram_addr_t default_ram_size
= (ram_addr_t
)DEFAULT_RAM_SIZE
*
2992 atexit(qemu_run_exit_notifiers
);
2993 error_set_progname(argv
[0]);
2994 qemu_init_exec_dir(argv
[0]);
2996 g_mem_set_vtable(&mem_trace
);
2998 module_call_init(MODULE_INIT_QOM
);
3000 qemu_add_opts(&qemu_drive_opts
);
3001 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3002 qemu_add_drive_opts(&qemu_common_drive_opts
);
3003 qemu_add_drive_opts(&qemu_drive_opts
);
3004 qemu_add_opts(&qemu_chardev_opts
);
3005 qemu_add_opts(&qemu_device_opts
);
3006 qemu_add_opts(&qemu_netdev_opts
);
3007 qemu_add_opts(&qemu_net_opts
);
3008 qemu_add_opts(&qemu_rtc_opts
);
3009 qemu_add_opts(&qemu_global_opts
);
3010 qemu_add_opts(&qemu_mon_opts
);
3011 qemu_add_opts(&qemu_trace_opts
);
3012 qemu_add_opts(&qemu_option_rom_opts
);
3013 qemu_add_opts(&qemu_machine_opts
);
3014 qemu_add_opts(&qemu_mem_opts
);
3015 qemu_add_opts(&qemu_smp_opts
);
3016 qemu_add_opts(&qemu_boot_opts
);
3017 qemu_add_opts(&qemu_sandbox_opts
);
3018 qemu_add_opts(&qemu_add_fd_opts
);
3019 qemu_add_opts(&qemu_object_opts
);
3020 qemu_add_opts(&qemu_tpmdev_opts
);
3021 qemu_add_opts(&qemu_realtime_opts
);
3022 qemu_add_opts(&qemu_msg_opts
);
3023 qemu_add_opts(&qemu_name_opts
);
3028 rtc_clock
= QEMU_CLOCK_HOST
;
3030 qemu_init_auxval(envp
);
3031 qemu_cache_utils_init();
3033 QLIST_INIT (&vm_change_state_head
);
3034 os_setup_early_signal_handling();
3036 module_call_init(MODULE_INIT_MACHINE
);
3037 machine_class
= find_default_machine();
3039 ram_size
= default_ram_size
;
3041 cyls
= heads
= secs
= 0;
3042 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3044 for (i
= 0; i
< MAX_NODES
; i
++) {
3046 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
3052 bdrv_init_with_whitelist();
3056 /* first pass of option parsing */
3058 while (optind
< argc
) {
3059 if (argv
[optind
][0] != '-') {
3063 const QEMUOption
*popt
;
3065 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3066 switch (popt
->index
) {
3067 case QEMU_OPTION_nodefconfig
:
3070 case QEMU_OPTION_nouserconfig
:
3079 ret
= qemu_read_default_config_files(userconfig
);
3085 /* second pass of option parsing */
3090 if (argv
[optind
][0] != '-') {
3091 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3093 const QEMUOption
*popt
;
3095 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3096 if (!(popt
->arch_mask
& arch_type
)) {
3097 printf("Option %s not supported for this target\n", popt
->name
);
3100 switch(popt
->index
) {
3102 machine_class
= machine_parse(optarg
);
3104 case QEMU_OPTION_no_kvm_irqchip
: {
3105 olist
= qemu_find_opts("machine");
3106 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3109 case QEMU_OPTION_cpu
:
3110 /* hw initialization will check this */
3113 case QEMU_OPTION_hda
:
3117 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3119 snprintf(buf
, sizeof(buf
),
3120 "%s,cyls=%d,heads=%d,secs=%d%s",
3121 HD_OPTS
, cyls
, heads
, secs
,
3122 translation
== BIOS_ATA_TRANSLATION_LBA
?
3124 translation
== BIOS_ATA_TRANSLATION_NONE
?
3125 ",trans=none" : "");
3126 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3129 case QEMU_OPTION_hdb
:
3130 case QEMU_OPTION_hdc
:
3131 case QEMU_OPTION_hdd
:
3132 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3135 case QEMU_OPTION_drive
:
3136 if (drive_def(optarg
) == NULL
) {
3140 case QEMU_OPTION_set
:
3141 if (qemu_set_option(optarg
) != 0)
3144 case QEMU_OPTION_global
:
3145 if (qemu_global_option(optarg
) != 0)
3148 case QEMU_OPTION_mtdblock
:
3149 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3151 case QEMU_OPTION_sd
:
3152 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3154 case QEMU_OPTION_pflash
:
3155 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3157 case QEMU_OPTION_snapshot
:
3160 case QEMU_OPTION_hdachs
:
3164 cyls
= strtol(p
, (char **)&p
, 0);
3165 if (cyls
< 1 || cyls
> 16383)
3170 heads
= strtol(p
, (char **)&p
, 0);
3171 if (heads
< 1 || heads
> 16)
3176 secs
= strtol(p
, (char **)&p
, 0);
3177 if (secs
< 1 || secs
> 63)
3181 if (!strcmp(p
, "large")) {
3182 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3183 } else if (!strcmp(p
, "rechs")) {
3184 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3185 } else if (!strcmp(p
, "none")) {
3186 translation
= BIOS_ATA_TRANSLATION_NONE
;
3187 } else if (!strcmp(p
, "lba")) {
3188 translation
= BIOS_ATA_TRANSLATION_LBA
;
3189 } else if (!strcmp(p
, "auto")) {
3190 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3194 } else if (*p
!= '\0') {
3196 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3199 if (hda_opts
!= NULL
) {
3201 snprintf(num
, sizeof(num
), "%d", cyls
);
3202 qemu_opt_set(hda_opts
, "cyls", num
);
3203 snprintf(num
, sizeof(num
), "%d", heads
);
3204 qemu_opt_set(hda_opts
, "heads", num
);
3205 snprintf(num
, sizeof(num
), "%d", secs
);
3206 qemu_opt_set(hda_opts
, "secs", num
);
3207 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3208 qemu_opt_set(hda_opts
, "trans", "large");
3209 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3210 qemu_opt_set(hda_opts
, "trans", "rechs");
3211 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3212 qemu_opt_set(hda_opts
, "trans", "lba");
3213 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3214 qemu_opt_set(hda_opts
, "trans", "none");
3219 case QEMU_OPTION_numa
:
3222 case QEMU_OPTION_display
:
3223 display_type
= select_display(optarg
);
3225 case QEMU_OPTION_nographic
:
3226 display_type
= DT_NOGRAPHIC
;
3228 case QEMU_OPTION_curses
:
3229 #ifdef CONFIG_CURSES
3230 display_type
= DT_CURSES
;
3232 fprintf(stderr
, "Curses support is disabled\n");
3236 case QEMU_OPTION_portrait
:
3237 graphic_rotate
= 90;
3239 case QEMU_OPTION_rotate
:
3240 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3241 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3242 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3244 "qemu: only 90, 180, 270 deg rotation is available\n");
3248 case QEMU_OPTION_kernel
:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3251 case QEMU_OPTION_initrd
:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3254 case QEMU_OPTION_append
:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3257 case QEMU_OPTION_dtb
:
3258 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3260 case QEMU_OPTION_cdrom
:
3261 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3263 case QEMU_OPTION_boot
:
3264 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3269 case QEMU_OPTION_fda
:
3270 case QEMU_OPTION_fdb
:
3271 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3274 case QEMU_OPTION_no_fd_bootchk
:
3277 case QEMU_OPTION_netdev
:
3278 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3282 case QEMU_OPTION_net
:
3283 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3287 #ifdef CONFIG_LIBISCSI
3288 case QEMU_OPTION_iscsi
:
3289 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3296 case QEMU_OPTION_tftp
:
3297 legacy_tftp_prefix
= optarg
;
3299 case QEMU_OPTION_bootp
:
3300 legacy_bootp_filename
= optarg
;
3302 case QEMU_OPTION_redir
:
3303 if (net_slirp_redir(optarg
) < 0)
3307 case QEMU_OPTION_bt
:
3308 add_device_config(DEV_BT
, optarg
);
3310 case QEMU_OPTION_audio_help
:
3314 case QEMU_OPTION_soundhw
:
3315 select_soundhw (optarg
);
3320 case QEMU_OPTION_version
:
3324 case QEMU_OPTION_m
: {
3326 const char *mem_str
;
3328 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3334 mem_str
= qemu_opt_get(opts
, "size");
3336 error_report("invalid -m option, missing 'size' option");
3340 error_report("missing 'size' option value");
3344 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
3346 /* Fix up legacy suffix-less format */
3347 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
3348 uint64_t overflow_check
= sz
;
3351 if ((sz
>> 20) != overflow_check
) {
3352 error_report("too large 'size' option value");
3357 /* backward compatibility behaviour for case "-m 0" */
3359 sz
= default_ram_size
;
3362 sz
= QEMU_ALIGN_UP(sz
, 8192);
3364 if (ram_size
!= sz
) {
3365 error_report("ram size too large");
3371 case QEMU_OPTION_tpmdev
:
3372 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3377 case QEMU_OPTION_mempath
:
3380 case QEMU_OPTION_mem_prealloc
:
3390 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3392 case QEMU_OPTION_gdb
:
3393 add_device_config(DEV_GDB
, optarg
);
3396 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3397 data_dir
[data_dir_idx
++] = optarg
;
3400 case QEMU_OPTION_bios
:
3401 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3403 case QEMU_OPTION_singlestep
:
3410 keyboard_layout
= optarg
;
3412 case QEMU_OPTION_localtime
:
3415 case QEMU_OPTION_vga
:
3424 w
= strtol(p
, (char **)&p
, 10);
3427 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3433 h
= strtol(p
, (char **)&p
, 10);
3438 depth
= strtol(p
, (char **)&p
, 10);
3439 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3440 depth
!= 24 && depth
!= 32)
3442 } else if (*p
== '\0') {
3443 depth
= graphic_depth
;
3450 graphic_depth
= depth
;
3453 case QEMU_OPTION_echr
:
3456 term_escape_char
= strtol(optarg
, &r
, 0);
3458 printf("Bad argument to echr\n");
3461 case QEMU_OPTION_monitor
:
3462 default_monitor
= 0;
3463 if (strncmp(optarg
, "none", 4)) {
3464 monitor_parse(optarg
, "readline");
3467 case QEMU_OPTION_qmp
:
3468 monitor_parse(optarg
, "control");
3469 default_monitor
= 0;
3471 case QEMU_OPTION_mon
:
3472 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3476 default_monitor
= 0;
3478 case QEMU_OPTION_chardev
:
3479 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3484 case QEMU_OPTION_fsdev
:
3485 olist
= qemu_find_opts("fsdev");
3487 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3490 opts
= qemu_opts_parse(olist
, optarg
, 1);
3495 case QEMU_OPTION_virtfs
: {
3498 const char *writeout
, *sock_fd
, *socket
;
3500 olist
= qemu_find_opts("virtfs");
3502 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3505 opts
= qemu_opts_parse(olist
, optarg
, 1);
3510 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3511 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3512 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3515 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3516 qemu_opt_get(opts
, "mount_tag"),
3519 fprintf(stderr
, "duplicate fsdev id: %s\n",
3520 qemu_opt_get(opts
, "mount_tag"));
3524 writeout
= qemu_opt_get(opts
, "writeout");
3526 #ifdef CONFIG_SYNC_FILE_RANGE
3527 qemu_opt_set(fsdev
, "writeout", writeout
);
3529 fprintf(stderr
, "writeout=immediate not supported on "
3534 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3535 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3536 qemu_opt_set(fsdev
, "security_model",
3537 qemu_opt_get(opts
, "security_model"));
3538 socket
= qemu_opt_get(opts
, "socket");
3540 qemu_opt_set(fsdev
, "socket", socket
);
3542 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3544 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3547 qemu_opt_set_bool(fsdev
, "readonly",
3548 qemu_opt_get_bool(opts
, "readonly", 0));
3549 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3551 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3552 qemu_opt_set(device
, "fsdev",
3553 qemu_opt_get(opts
, "mount_tag"));
3554 qemu_opt_set(device
, "mount_tag",
3555 qemu_opt_get(opts
, "mount_tag"));
3558 case QEMU_OPTION_virtfs_synth
: {
3562 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3565 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3568 qemu_opt_set(fsdev
, "fsdriver", "synth");
3570 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3572 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3573 qemu_opt_set(device
, "fsdev", "v_synth");
3574 qemu_opt_set(device
, "mount_tag", "v_synth");
3577 case QEMU_OPTION_serial
:
3578 add_device_config(DEV_SERIAL
, optarg
);
3580 if (strncmp(optarg
, "mon:", 4) == 0) {
3581 default_monitor
= 0;
3584 case QEMU_OPTION_watchdog
:
3587 "qemu: only one watchdog option may be given\n");
3592 case QEMU_OPTION_watchdog_action
:
3593 if (select_watchdog_action(optarg
) == -1) {
3594 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3598 case QEMU_OPTION_virtiocon
:
3599 add_device_config(DEV_VIRTCON
, optarg
);
3600 default_virtcon
= 0;
3601 if (strncmp(optarg
, "mon:", 4) == 0) {
3602 default_monitor
= 0;
3605 case QEMU_OPTION_parallel
:
3606 add_device_config(DEV_PARALLEL
, optarg
);
3607 default_parallel
= 0;
3608 if (strncmp(optarg
, "mon:", 4) == 0) {
3609 default_monitor
= 0;
3612 case QEMU_OPTION_debugcon
:
3613 add_device_config(DEV_DEBUGCON
, optarg
);
3615 case QEMU_OPTION_loadvm
:
3618 case QEMU_OPTION_full_screen
:
3621 case QEMU_OPTION_no_frame
:
3624 case QEMU_OPTION_alt_grab
:
3627 case QEMU_OPTION_ctrl_grab
:
3630 case QEMU_OPTION_no_quit
:
3633 case QEMU_OPTION_sdl
:
3635 display_type
= DT_SDL
;
3638 fprintf(stderr
, "SDL support is disabled\n");
3641 case QEMU_OPTION_pidfile
:
3644 case QEMU_OPTION_win2k_hack
:
3645 win2k_install_hack
= 1;
3647 case QEMU_OPTION_rtc_td_hack
: {
3648 static GlobalProperty slew_lost_ticks
[] = {
3650 .driver
= "mc146818rtc",
3651 .property
= "lost_tick_policy",
3654 { /* end of list */ }
3657 qdev_prop_register_global_list(slew_lost_ticks
);
3660 case QEMU_OPTION_acpitable
:
3661 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3665 do_acpitable_option(opts
);
3667 case QEMU_OPTION_smbios
:
3668 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3672 do_smbios_option(opts
);
3674 case QEMU_OPTION_enable_kvm
:
3675 olist
= qemu_find_opts("machine");
3676 qemu_opts_parse(olist
, "accel=kvm", 0);
3678 case QEMU_OPTION_machine
:
3679 olist
= qemu_find_opts("machine");
3680 opts
= qemu_opts_parse(olist
, optarg
, 1);
3684 optarg
= qemu_opt_get(opts
, "type");
3686 machine_class
= machine_parse(optarg
);
3689 case QEMU_OPTION_no_kvm
:
3690 olist
= qemu_find_opts("machine");
3691 qemu_opts_parse(olist
, "accel=tcg", 0);
3693 case QEMU_OPTION_no_kvm_pit
: {
3694 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3698 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3699 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3701 .driver
= "kvm-pit",
3702 .property
= "lost_tick_policy",
3705 { /* end of list */ }
3708 fprintf(stderr
, "Warning: option deprecated, use "
3709 "lost_tick_policy property of kvm-pit instead.\n");
3710 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3713 case QEMU_OPTION_usb
:
3714 olist
= qemu_find_opts("machine");
3715 qemu_opts_parse(olist
, "usb=on", 0);
3717 case QEMU_OPTION_usbdevice
:
3718 olist
= qemu_find_opts("machine");
3719 qemu_opts_parse(olist
, "usb=on", 0);
3720 add_device_config(DEV_USB
, optarg
);
3722 case QEMU_OPTION_device
:
3723 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3727 case QEMU_OPTION_smp
:
3728 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3732 case QEMU_OPTION_vnc
:
3735 vnc_display
= optarg
;
3737 fprintf(stderr
, "VNC support is disabled\n");
3741 case QEMU_OPTION_no_acpi
:
3744 case QEMU_OPTION_no_hpet
:
3747 case QEMU_OPTION_balloon
:
3748 if (balloon_parse(optarg
) < 0) {
3749 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3753 case QEMU_OPTION_no_reboot
:
3756 case QEMU_OPTION_no_shutdown
:
3759 case QEMU_OPTION_show_cursor
:
3762 case QEMU_OPTION_uuid
:
3763 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3764 fprintf(stderr
, "Fail to parse UUID string."
3765 " Wrong format.\n");
3768 qemu_uuid_set
= true;
3770 case QEMU_OPTION_option_rom
:
3771 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3772 fprintf(stderr
, "Too many option ROMs\n");
3775 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3779 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3780 option_rom
[nb_option_roms
].bootindex
=
3781 qemu_opt_get_number(opts
, "bootindex", -1);
3782 if (!option_rom
[nb_option_roms
].name
) {
3783 fprintf(stderr
, "Option ROM file is not specified\n");
3788 case QEMU_OPTION_semihosting
:
3789 semihosting_enabled
= 1;
3791 case QEMU_OPTION_tdf
:
3792 fprintf(stderr
, "Warning: user space PIT time drift fix "
3793 "is no longer supported.\n");
3795 case QEMU_OPTION_name
:
3796 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3802 case QEMU_OPTION_prom_env
:
3803 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3804 fprintf(stderr
, "Too many prom variables\n");
3807 prom_envs
[nb_prom_envs
] = optarg
;
3810 case QEMU_OPTION_old_param
:
3813 case QEMU_OPTION_clock
:
3814 /* Clock options no longer exist. Keep this option for
3815 * backward compatibility.
3818 case QEMU_OPTION_startdate
:
3819 configure_rtc_date_offset(optarg
, 1);
3821 case QEMU_OPTION_rtc
:
3822 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3826 configure_rtc(opts
);
3828 case QEMU_OPTION_tb_size
:
3829 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3830 if (tcg_tb_size
< 0) {
3834 case QEMU_OPTION_icount
:
3835 icount_option
= optarg
;
3837 case QEMU_OPTION_incoming
:
3839 runstate_set(RUN_STATE_INMIGRATE
);
3841 case QEMU_OPTION_nodefaults
:
3844 case QEMU_OPTION_xen_domid
:
3845 if (!(xen_available())) {
3846 printf("Option %s not supported for this target\n", popt
->name
);
3849 xen_domid
= atoi(optarg
);
3851 case QEMU_OPTION_xen_create
:
3852 if (!(xen_available())) {
3853 printf("Option %s not supported for this target\n", popt
->name
);
3856 xen_mode
= XEN_CREATE
;
3858 case QEMU_OPTION_xen_attach
:
3859 if (!(xen_available())) {
3860 printf("Option %s not supported for this target\n", popt
->name
);
3863 xen_mode
= XEN_ATTACH
;
3865 case QEMU_OPTION_trace
:
3867 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3871 trace_events
= qemu_opt_get(opts
, "events");
3872 trace_file
= qemu_opt_get(opts
, "file");
3875 case QEMU_OPTION_readconfig
:
3877 int ret
= qemu_read_config_file(optarg
);
3879 fprintf(stderr
, "read config %s: %s\n", optarg
,
3885 case QEMU_OPTION_spice
:
3886 olist
= qemu_find_opts("spice");
3888 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3891 opts
= qemu_opts_parse(olist
, optarg
, 0);
3897 case QEMU_OPTION_writeconfig
:
3900 if (strcmp(optarg
, "-") == 0) {
3903 fp
= fopen(optarg
, "w");
3905 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3909 qemu_config_write(fp
);
3915 case QEMU_OPTION_qtest
:
3916 qtest_chrdev
= optarg
;
3918 case QEMU_OPTION_qtest_log
:
3921 case QEMU_OPTION_sandbox
:
3922 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3927 case QEMU_OPTION_add_fd
:
3929 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3934 error_report("File descriptor passing is disabled on this "
3939 case QEMU_OPTION_object
:
3940 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3945 case QEMU_OPTION_realtime
:
3946 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3950 configure_realtime(opts
);
3952 case QEMU_OPTION_msg
:
3953 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3957 configure_msg(opts
);
3960 os_parse_cmd_args(popt
->index
, optarg
);
3966 if (qemu_init_main_loop()) {
3967 fprintf(stderr
, "qemu_init_main_loop failed\n");
3971 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3976 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3980 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3985 if (machine_class
== NULL
) {
3986 fprintf(stderr
, "No machine specified, and there is no default.\n"
3987 "Use -machine help to list supported machines!\n");
3991 current_machine
= MACHINE(object_new(object_class_get_name(
3992 OBJECT_CLASS(machine_class
))));
3993 object_property_add_child(object_get_root(), "machine",
3994 OBJECT(current_machine
), &error_abort
);
3996 if (machine_class
->hw_version
) {
3997 qemu_set_version(machine_class
->hw_version
);
4000 if (qemu_opts_foreach(qemu_find_opts("object"),
4001 object_create
, NULL
, 0) != 0) {
4005 /* Init CPU def lists, based on config
4006 * - Must be called after all the qemu_read_config_file() calls
4007 * - Must be called before list_cpus()
4008 * - Must be called before machine->init()
4012 if (cpu_model
&& is_help_option(cpu_model
)) {
4013 list_cpus(stdout
, &fprintf
, cpu_model
);
4017 /* Open the logfile at this point, if necessary. We can't open the logfile
4018 * when encountering either of the logging options (-d or -D) because the
4019 * other one may be encountered later on the command line, changing the
4020 * location or level of logging.
4025 qemu_set_log_filename(log_file
);
4028 mask
= qemu_str_to_log_mask(log_mask
);
4030 qemu_print_log_usage(stdout
);
4036 if (!is_daemonized()) {
4037 if (!trace_backend_init(trace_events
, trace_file
)) {
4042 /* If no data_dir is specified then try to find it relative to the
4044 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4045 data_dir
[data_dir_idx
] = os_find_datadir();
4046 if (data_dir
[data_dir_idx
] != NULL
) {
4050 /* If all else fails use the install path specified when building. */
4051 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4052 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4055 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4057 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4058 if (smp_cpus
> machine_class
->max_cpus
) {
4059 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4060 "supported by machine `%s' (%d)\n", smp_cpus
,
4061 machine_class
->name
, machine_class
->max_cpus
);
4066 * Get the default machine options from the machine if it is not already
4067 * specified either by the configuration file or by the command line.
4069 if (machine_class
->default_machine_opts
) {
4070 qemu_opts_set_defaults(qemu_find_opts("machine"),
4071 machine_class
->default_machine_opts
, 0);
4074 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4075 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4077 if (!vga_model
&& !default_vga
) {
4078 vga_interface_type
= VGA_DEVICE
;
4080 if (!has_defaults
|| machine_class
->no_serial
) {
4083 if (!has_defaults
|| machine_class
->no_parallel
) {
4084 default_parallel
= 0;
4086 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4087 default_virtcon
= 0;
4089 if (!has_defaults
|| !machine_class
->use_sclp
) {
4092 if (!has_defaults
|| machine_class
->no_floppy
) {
4095 if (!has_defaults
|| machine_class
->no_cdrom
) {
4098 if (!has_defaults
|| machine_class
->no_sdcard
) {
4101 if (!has_defaults
) {
4102 default_monitor
= 0;
4107 if (is_daemonized()) {
4108 /* According to documentation and historically, -nographic redirects
4109 * serial port, parallel port and monitor to stdio, which does not work
4110 * with -daemonize. We can redirect these to null instead, but since
4111 * -nographic is legacy, let's just error out.
4112 * We disallow -nographic only if all other ports are not redirected
4113 * explicitly, to not break existing legacy setups which uses
4114 * -nographic _and_ redirects all ports explicitly - this is valid
4115 * usage, -nographic is just a no-op in this case.
4117 if (display_type
== DT_NOGRAPHIC
4118 && (default_parallel
|| default_serial
4119 || default_monitor
|| default_virtcon
)) {
4120 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4123 #ifdef CONFIG_CURSES
4124 if (display_type
== DT_CURSES
) {
4125 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4131 if (display_type
== DT_NOGRAPHIC
) {
4132 if (default_parallel
)
4133 add_device_config(DEV_PARALLEL
, "null");
4134 if (default_serial
&& default_monitor
) {
4135 add_device_config(DEV_SERIAL
, "mon:stdio");
4136 } else if (default_virtcon
&& default_monitor
) {
4137 add_device_config(DEV_VIRTCON
, "mon:stdio");
4138 } else if (default_sclp
&& default_monitor
) {
4139 add_device_config(DEV_SCLP
, "mon:stdio");
4142 add_device_config(DEV_SERIAL
, "stdio");
4143 if (default_virtcon
)
4144 add_device_config(DEV_VIRTCON
, "stdio");
4146 add_device_config(DEV_SCLP
, "stdio");
4148 if (default_monitor
)
4149 monitor_parse("stdio", "readline");
4153 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4154 if (default_parallel
)
4155 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4156 if (default_monitor
)
4157 monitor_parse("vc:80Cx24C", "readline");
4158 if (default_virtcon
)
4159 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4161 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4165 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4166 #if defined(CONFIG_GTK)
4167 display_type
= DT_GTK
;
4168 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4169 display_type
= DT_SDL
;
4170 #elif defined(CONFIG_VNC)
4171 vnc_display
= "localhost:0,to=99";
4174 display_type
= DT_NONE
;
4178 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4179 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4180 "for SDL, ignoring option\n");
4182 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4183 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4184 "ignoring option\n");
4187 #if defined(CONFIG_GTK)
4188 if (display_type
== DT_GTK
) {
4189 early_gtk_display_init();
4195 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4197 #ifdef CONFIG_VIRTFS
4198 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4205 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4210 /* store value for the future use */
4211 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size
);
4213 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4218 configure_accelerator(machine_class
);
4221 Error
*local_err
= NULL
;
4222 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4224 error_report("%s", error_get_pretty(local_err
));
4225 error_free(local_err
);
4230 machine_opts
= qemu_get_machine_opts();
4231 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4232 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4233 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4234 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4236 boot_order
= machine_class
->default_boot_order
;
4237 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4239 char *normal_boot_order
;
4240 const char *order
, *once
;
4242 order
= qemu_opt_get(opts
, "order");
4244 validate_bootdevices(order
);
4248 once
= qemu_opt_get(opts
, "once");
4250 validate_bootdevices(once
);
4251 normal_boot_order
= g_strdup(boot_order
);
4253 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4256 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4257 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4260 if (!kernel_cmdline
) {
4261 kernel_cmdline
= "";
4264 linux_boot
= (kernel_filename
!= NULL
);
4266 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4267 fprintf(stderr
, "-append only allowed with -kernel option\n");
4271 if (!linux_boot
&& initrd_filename
!= NULL
) {
4272 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4276 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4277 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4281 os_set_line_buffering();
4283 qemu_init_cpu_loop();
4284 qemu_mutex_lock_iothread();
4287 /* spice needs the timers to be initialized by this point */
4291 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4292 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4295 configure_icount(icount_option
);
4297 /* clean up network at qemu process termination */
4298 atexit(&net_cleanup
);
4300 if (net_init_clients() < 0) {
4305 if (tpm_init() < 0) {
4310 /* init the bluetooth world */
4311 if (foreach_device_config(DEV_BT
, bt_parse
))
4314 if (!xen_enabled()) {
4315 /* On 32-bit hosts, QEMU is limited by virtual address space */
4316 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4317 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4322 cpu_exec_init_all();
4326 /* open the virtual block devices */
4328 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4329 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4330 &machine_class
->block_default_type
, 1) != 0) {
4334 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4336 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4337 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4339 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4341 if (nb_numa_nodes
> 0) {
4344 if (nb_numa_nodes
> MAX_NODES
) {
4345 nb_numa_nodes
= MAX_NODES
;
4348 /* If no memory size if given for any node, assume the default case
4349 * and distribute the available memory equally across all nodes
4351 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4352 if (node_mem
[i
] != 0)
4355 if (i
== nb_numa_nodes
) {
4356 uint64_t usedmem
= 0;
4358 /* On Linux, the each node's border has to be 8MB aligned,
4359 * the final node gets the rest.
4361 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4362 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4363 usedmem
+= node_mem
[i
];
4365 node_mem
[i
] = ram_size
- usedmem
;
4368 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4369 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4373 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4374 * must cope with this anyway, because there are BIOSes out there in
4375 * real machines which also use this scheme.
4377 if (i
== nb_numa_nodes
) {
4378 for (i
= 0; i
< max_cpus
; i
++) {
4379 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4384 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4388 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4390 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4392 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4394 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4397 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4400 /* If no default VGA is requested, the default is "none". */
4402 if (cirrus_vga_available()) {
4403 vga_model
= "cirrus";
4404 } else if (vga_available()) {
4409 select_vgahw(vga_model
);
4413 i
= select_watchdog(watchdog
);
4415 exit (i
== 1 ? 1 : 0);
4418 if (machine_class
->compat_props
) {
4419 qdev_prop_register_global_list(machine_class
->compat_props
);
4423 qdev_machine_init();
4425 current_machine
->init_args
= (QEMUMachineInitArgs
) {
4426 .machine
= machine_class
,
4427 .ram_size
= ram_size
,
4428 .boot_order
= boot_order
,
4429 .kernel_filename
= kernel_filename
,
4430 .kernel_cmdline
= kernel_cmdline
,
4431 .initrd_filename
= initrd_filename
,
4432 .cpu_model
= cpu_model
};
4434 machine_class
->init(¤t_machine
->init_args
);
4438 cpu_synchronize_all_post_init();
4442 /* init USB devices */
4443 if (usb_enabled(false)) {
4444 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4448 /* init generic devices */
4449 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4452 net_check_clients();
4454 ds
= init_displaystate();
4456 /* init local displays */
4457 switch (display_type
) {
4459 (void)ds
; /* avoid warning if no display is configured */
4461 #if defined(CONFIG_CURSES)
4463 curses_display_init(ds
, full_screen
);
4466 #if defined(CONFIG_SDL)
4468 sdl_display_init(ds
, full_screen
, no_frame
);
4470 #elif defined(CONFIG_COCOA)
4472 cocoa_display_init(ds
, full_screen
);
4475 #if defined(CONFIG_GTK)
4477 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4484 /* must be after terminal init, SDL library changes signal handlers */
4485 os_setup_signal_handling();
4488 /* init remote displays */
4490 Error
*local_err
= NULL
;
4491 vnc_display_init(ds
);
4492 vnc_display_open(ds
, vnc_display
, &local_err
);
4493 if (local_err
!= NULL
) {
4494 error_report("Failed to start VNC server on `%s': %s",
4495 vnc_display
, error_get_pretty(local_err
));
4496 error_free(local_err
);
4500 if (show_vnc_port
) {
4501 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4507 qemu_spice_display_init();
4511 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4515 qdev_machine_creation_done();
4517 if (rom_load_all() != 0) {
4518 fprintf(stderr
, "rom loading failed\n");
4522 /* TODO: once all bus devices are qdevified, this should be done
4523 * when bus is created by qdev.c */
4524 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4525 qemu_run_machine_init_done_notifiers();
4527 /* Done notifiers can load ROMs */
4530 qemu_system_reset(VMRESET_SILENT
);
4532 if (load_vmstate(loadvm
) < 0) {
4538 Error
*local_err
= NULL
;
4539 qemu_start_incoming_migration(incoming
, &local_err
);
4541 error_report("-incoming %s: %s", incoming
,
4542 error_get_pretty(local_err
));
4543 error_free(local_err
);
4546 } else if (autostart
) {
4552 if (is_daemonized()) {
4553 if (!trace_backend_init(trace_events
, trace_file
)) {