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
);
1592 mc
->qemu_machine
= data
;
1595 int qemu_register_machine(QEMUMachine
*m
)
1597 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1600 .parent
= TYPE_MACHINE
,
1601 .class_init
= machine_class_init
,
1602 .class_data
= (void *)m
,
1611 static MachineClass
*find_machine(const char *name
)
1613 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1614 MachineClass
*mc
= NULL
;
1616 for (el
= machines
; el
; el
= el
->next
) {
1617 MachineClass
*temp
= el
->data
;
1619 if (!strcmp(temp
->qemu_machine
->name
, name
)) {
1623 if (temp
->qemu_machine
->alias
&&
1624 !strcmp(temp
->qemu_machine
->alias
, name
)) {
1630 g_slist_free(machines
);
1634 MachineClass
*find_default_machine(void)
1636 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1637 MachineClass
*mc
= NULL
;
1639 for (el
= machines
; el
; el
= el
->next
) {
1640 MachineClass
*temp
= el
->data
;
1642 if (temp
->qemu_machine
->is_default
) {
1648 g_slist_free(machines
);
1652 MachineInfoList
*qmp_query_machines(Error
**errp
)
1654 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1655 MachineInfoList
*mach_list
= NULL
;
1658 for (el
= machines
; el
; el
= el
->next
) {
1659 MachineClass
*mc
= el
->data
;
1660 MachineInfoList
*entry
;
1663 m
= mc
->qemu_machine
;
1664 info
= g_malloc0(sizeof(*info
));
1665 if (m
->is_default
) {
1666 info
->has_is_default
= true;
1667 info
->is_default
= true;
1671 info
->has_alias
= true;
1672 info
->alias
= g_strdup(m
->alias
);
1675 info
->name
= g_strdup(m
->name
);
1676 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1678 entry
= g_malloc0(sizeof(*entry
));
1679 entry
->value
= info
;
1680 entry
->next
= mach_list
;
1684 g_slist_free(machines
);
1688 /***********************************************************/
1689 /* main execution loop */
1691 struct vm_change_state_entry
{
1692 VMChangeStateHandler
*cb
;
1694 QLIST_ENTRY (vm_change_state_entry
) entries
;
1697 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1699 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1702 VMChangeStateEntry
*e
;
1704 e
= g_malloc0(sizeof (*e
));
1708 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1712 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1714 QLIST_REMOVE (e
, entries
);
1718 void vm_state_notify(int running
, RunState state
)
1720 VMChangeStateEntry
*e
;
1722 trace_vm_state_notify(running
, state
);
1724 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1725 e
->cb(e
->opaque
, running
, state
);
1731 if (!runstate_is_running()) {
1733 runstate_set(RUN_STATE_RUNNING
);
1734 vm_state_notify(1, RUN_STATE_RUNNING
);
1736 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1740 /* reset/shutdown handler */
1742 typedef struct QEMUResetEntry
{
1743 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1744 QEMUResetHandler
*func
;
1748 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1749 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1750 static int reset_requested
;
1751 static int shutdown_requested
, shutdown_signal
= -1;
1752 static pid_t shutdown_pid
;
1753 static int powerdown_requested
;
1754 static int debug_requested
;
1755 static int suspend_requested
;
1756 static WakeupReason wakeup_reason
;
1757 static NotifierList powerdown_notifiers
=
1758 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1759 static NotifierList suspend_notifiers
=
1760 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1761 static NotifierList wakeup_notifiers
=
1762 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1763 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1764 static RunState vmstop_requested
= RUN_STATE_MAX
;
1766 int qemu_shutdown_requested_get(void)
1768 return shutdown_requested
;
1771 int qemu_reset_requested_get(void)
1773 return reset_requested
;
1776 static int qemu_shutdown_requested(void)
1778 int r
= shutdown_requested
;
1779 shutdown_requested
= 0;
1783 static void qemu_kill_report(void)
1785 if (!qtest_driver() && shutdown_signal
!= -1) {
1786 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1787 if (shutdown_pid
== 0) {
1788 /* This happens for eg ^C at the terminal, so it's worth
1789 * avoiding printing an odd message in that case.
1791 fputc('\n', stderr
);
1793 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1795 shutdown_signal
= -1;
1799 static int qemu_reset_requested(void)
1801 int r
= reset_requested
;
1802 reset_requested
= 0;
1806 static int qemu_suspend_requested(void)
1808 int r
= suspend_requested
;
1809 suspend_requested
= 0;
1813 static WakeupReason
qemu_wakeup_requested(void)
1815 return wakeup_reason
;
1818 static int qemu_powerdown_requested(void)
1820 int r
= powerdown_requested
;
1821 powerdown_requested
= 0;
1825 static int qemu_debug_requested(void)
1827 int r
= debug_requested
;
1828 debug_requested
= 0;
1832 /* We use RUN_STATE_MAX but any invalid value will do */
1833 static bool qemu_vmstop_requested(RunState
*r
)
1835 if (vmstop_requested
< RUN_STATE_MAX
) {
1836 *r
= vmstop_requested
;
1837 vmstop_requested
= RUN_STATE_MAX
;
1844 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1846 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1849 re
->opaque
= opaque
;
1850 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1853 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1857 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1858 if (re
->func
== func
&& re
->opaque
== opaque
) {
1859 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1866 void qemu_devices_reset(void)
1868 QEMUResetEntry
*re
, *nre
;
1870 /* reset all devices */
1871 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1872 re
->func(re
->opaque
);
1876 void qemu_system_reset(bool report
)
1880 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1882 if (mc
&& mc
->qemu_machine
->reset
) {
1883 mc
->qemu_machine
->reset();
1885 qemu_devices_reset();
1888 monitor_protocol_event(QEVENT_RESET
, NULL
);
1890 cpu_synchronize_all_post_reset();
1893 void qemu_system_reset_request(void)
1896 shutdown_requested
= 1;
1898 reset_requested
= 1;
1901 qemu_notify_event();
1904 static void qemu_system_suspend(void)
1907 notifier_list_notify(&suspend_notifiers
, NULL
);
1908 runstate_set(RUN_STATE_SUSPENDED
);
1909 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1912 void qemu_system_suspend_request(void)
1914 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1917 suspend_requested
= 1;
1919 qemu_notify_event();
1922 void qemu_register_suspend_notifier(Notifier
*notifier
)
1924 notifier_list_add(&suspend_notifiers
, notifier
);
1927 void qemu_system_wakeup_request(WakeupReason reason
)
1929 trace_system_wakeup_request(reason
);
1931 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1934 if (!(wakeup_reason_mask
& (1 << reason
))) {
1937 runstate_set(RUN_STATE_RUNNING
);
1938 wakeup_reason
= reason
;
1939 qemu_notify_event();
1942 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1945 wakeup_reason_mask
|= (1 << reason
);
1947 wakeup_reason_mask
&= ~(1 << reason
);
1951 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1953 notifier_list_add(&wakeup_notifiers
, notifier
);
1956 void qemu_system_killed(int signal
, pid_t pid
)
1958 shutdown_signal
= signal
;
1961 qemu_system_shutdown_request();
1964 void qemu_system_shutdown_request(void)
1966 shutdown_requested
= 1;
1967 qemu_notify_event();
1970 static void qemu_system_powerdown(void)
1972 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1973 notifier_list_notify(&powerdown_notifiers
, NULL
);
1976 void qemu_system_powerdown_request(void)
1978 powerdown_requested
= 1;
1979 qemu_notify_event();
1982 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1984 notifier_list_add(&powerdown_notifiers
, notifier
);
1987 void qemu_system_debug_request(void)
1989 debug_requested
= 1;
1990 qemu_notify_event();
1993 void qemu_system_vmstop_request(RunState state
)
1995 vmstop_requested
= state
;
1996 qemu_notify_event();
1999 static bool main_loop_should_exit(void)
2002 if (qemu_debug_requested()) {
2003 vm_stop(RUN_STATE_DEBUG
);
2005 if (qemu_suspend_requested()) {
2006 qemu_system_suspend();
2008 if (qemu_shutdown_requested()) {
2010 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2012 vm_stop(RUN_STATE_SHUTDOWN
);
2017 if (qemu_reset_requested()) {
2019 cpu_synchronize_all_states();
2020 qemu_system_reset(VMRESET_REPORT
);
2022 if (runstate_needs_reset()) {
2023 runstate_set(RUN_STATE_PAUSED
);
2026 if (qemu_wakeup_requested()) {
2028 cpu_synchronize_all_states();
2029 qemu_system_reset(VMRESET_SILENT
);
2030 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2031 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2033 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2035 if (qemu_powerdown_requested()) {
2036 qemu_system_powerdown();
2038 if (qemu_vmstop_requested(&r
)) {
2044 static void main_loop(void)
2048 #ifdef CONFIG_PROFILER
2052 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2053 #ifdef CONFIG_PROFILER
2054 ti
= profile_getclock();
2056 last_io
= main_loop_wait(nonblocking
);
2057 #ifdef CONFIG_PROFILER
2058 dev_time
+= profile_getclock() - ti
;
2060 } while (!main_loop_should_exit());
2063 static void version(void)
2065 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2068 static void help(int exitcode
)
2071 printf("usage: %s [options] [disk_image]\n\n"
2072 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2073 error_get_progname());
2075 #define QEMU_OPTIONS_GENERATE_HELP
2076 #include "qemu-options-wrapper.h"
2078 printf("\nDuring emulation, the following keys are useful:\n"
2079 "ctrl-alt-f toggle full screen\n"
2080 "ctrl-alt-n switch to virtual console 'n'\n"
2081 "ctrl-alt toggle mouse and keyboard grab\n"
2083 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2088 #define HAS_ARG 0x0001
2090 typedef struct QEMUOption
{
2097 static const QEMUOption qemu_options
[] = {
2098 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2099 #define QEMU_OPTIONS_GENERATE_OPTIONS
2100 #include "qemu-options-wrapper.h"
2104 static bool vga_available(void)
2106 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2109 static bool cirrus_vga_available(void)
2111 return object_class_by_name("cirrus-vga")
2112 || object_class_by_name("isa-cirrus-vga");
2115 static bool vmware_vga_available(void)
2117 return object_class_by_name("vmware-svga");
2120 static bool qxl_vga_available(void)
2122 return object_class_by_name("qxl-vga");
2125 static bool tcx_vga_available(void)
2127 return object_class_by_name("SUNW,tcx");
2130 static bool cg3_vga_available(void)
2132 return object_class_by_name("cgthree");
2135 static void select_vgahw (const char *p
)
2139 assert(vga_interface_type
== VGA_NONE
);
2140 if (strstart(p
, "std", &opts
)) {
2141 if (vga_available()) {
2142 vga_interface_type
= VGA_STD
;
2144 fprintf(stderr
, "Error: standard VGA not available\n");
2147 } else if (strstart(p
, "cirrus", &opts
)) {
2148 if (cirrus_vga_available()) {
2149 vga_interface_type
= VGA_CIRRUS
;
2151 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2154 } else if (strstart(p
, "vmware", &opts
)) {
2155 if (vmware_vga_available()) {
2156 vga_interface_type
= VGA_VMWARE
;
2158 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2161 } else if (strstart(p
, "xenfb", &opts
)) {
2162 vga_interface_type
= VGA_XENFB
;
2163 } else if (strstart(p
, "qxl", &opts
)) {
2164 if (qxl_vga_available()) {
2165 vga_interface_type
= VGA_QXL
;
2167 fprintf(stderr
, "Error: QXL VGA not available\n");
2170 } else if (strstart(p
, "tcx", &opts
)) {
2171 if (tcx_vga_available()) {
2172 vga_interface_type
= VGA_TCX
;
2174 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2177 } else if (strstart(p
, "cg3", &opts
)) {
2178 if (cg3_vga_available()) {
2179 vga_interface_type
= VGA_CG3
;
2181 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2184 } else if (!strstart(p
, "none", &opts
)) {
2186 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2190 const char *nextopt
;
2192 if (strstart(opts
, ",retrace=", &nextopt
)) {
2194 if (strstart(opts
, "dumb", &nextopt
))
2195 vga_retrace_method
= VGA_RETRACE_DUMB
;
2196 else if (strstart(opts
, "precise", &nextopt
))
2197 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2198 else goto invalid_vga
;
2199 } else goto invalid_vga
;
2204 static DisplayType
select_display(const char *p
)
2207 DisplayType display
= DT_DEFAULT
;
2209 if (strstart(p
, "sdl", &opts
)) {
2213 const char *nextopt
;
2215 if (strstart(opts
, ",frame=", &nextopt
)) {
2217 if (strstart(opts
, "on", &nextopt
)) {
2219 } else if (strstart(opts
, "off", &nextopt
)) {
2222 goto invalid_sdl_args
;
2224 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2226 if (strstart(opts
, "on", &nextopt
)) {
2228 } else if (strstart(opts
, "off", &nextopt
)) {
2231 goto invalid_sdl_args
;
2233 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2235 if (strstart(opts
, "on", &nextopt
)) {
2237 } else if (strstart(opts
, "off", &nextopt
)) {
2240 goto invalid_sdl_args
;
2242 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2244 if (strstart(opts
, "on", &nextopt
)) {
2246 } else if (strstart(opts
, "off", &nextopt
)) {
2249 goto invalid_sdl_args
;
2253 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2259 fprintf(stderr
, "SDL support is disabled\n");
2262 } else if (strstart(p
, "vnc", &opts
)) {
2267 const char *nextopt
;
2269 if (strstart(opts
, "=", &nextopt
)) {
2270 vnc_display
= nextopt
;
2274 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2278 fprintf(stderr
, "VNC support is disabled\n");
2281 } else if (strstart(p
, "curses", &opts
)) {
2282 #ifdef CONFIG_CURSES
2283 display
= DT_CURSES
;
2285 fprintf(stderr
, "Curses support is disabled\n");
2288 } else if (strstart(p
, "gtk", &opts
)) {
2292 const char *nextopt
;
2294 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2296 if (strstart(opts
, "on", &nextopt
)) {
2297 grab_on_hover
= true;
2298 } else if (strstart(opts
, "off", &nextopt
)) {
2299 grab_on_hover
= false;
2301 goto invalid_gtk_args
;
2305 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2311 fprintf(stderr
, "GTK support is disabled\n");
2314 } else if (strstart(p
, "none", &opts
)) {
2317 fprintf(stderr
, "Unknown display type: %s\n", p
);
2324 static int balloon_parse(const char *arg
)
2328 if (strcmp(arg
, "none") == 0) {
2332 if (!strncmp(arg
, "virtio", 6)) {
2333 if (arg
[6] == ',') {
2334 /* have params -> parse them */
2335 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2339 /* create empty opts */
2340 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2343 qemu_opt_set(opts
, "driver", "virtio-balloon");
2350 char *qemu_find_file(int type
, const char *name
)
2356 /* Try the name as a straight path first */
2357 if (access(name
, R_OK
) == 0) {
2358 trace_load_file(name
, name
);
2359 return g_strdup(name
);
2363 case QEMU_FILE_TYPE_BIOS
:
2366 case QEMU_FILE_TYPE_KEYMAP
:
2367 subdir
= "keymaps/";
2373 for (i
= 0; i
< data_dir_idx
; i
++) {
2374 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2375 if (access(buf
, R_OK
) == 0) {
2376 trace_load_file(name
, buf
);
2384 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2386 return qdev_device_help(opts
);
2389 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2393 dev
= qdev_device_add(opts
);
2396 object_unref(OBJECT(dev
));
2400 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2402 Error
*local_err
= NULL
;
2404 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2406 error_report("%s", error_get_pretty(local_err
));
2407 error_free(local_err
);
2413 #ifdef CONFIG_VIRTFS
2414 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2417 ret
= qemu_fsdev_add(opts
);
2423 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2425 CharDriverState
*chr
;
2426 const char *chardev
;
2430 mode
= qemu_opt_get(opts
, "mode");
2434 if (strcmp(mode
, "readline") == 0) {
2435 flags
= MONITOR_USE_READLINE
;
2436 } else if (strcmp(mode
, "control") == 0) {
2437 flags
= MONITOR_USE_CONTROL
;
2439 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2443 if (qemu_opt_get_bool(opts
, "pretty", 0))
2444 flags
|= MONITOR_USE_PRETTY
;
2446 if (qemu_opt_get_bool(opts
, "default", 0))
2447 flags
|= MONITOR_IS_DEFAULT
;
2449 chardev
= qemu_opt_get(opts
, "chardev");
2450 chr
= qemu_chr_find(chardev
);
2452 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2456 qemu_chr_fe_claim_no_fail(chr
);
2457 monitor_init(chr
, flags
);
2461 static void monitor_parse(const char *optarg
, const char *mode
)
2463 static int monitor_device_index
= 0;
2469 if (strstart(optarg
, "chardev:", &p
)) {
2470 snprintf(label
, sizeof(label
), "%s", p
);
2472 snprintf(label
, sizeof(label
), "compat_monitor%d",
2473 monitor_device_index
);
2474 if (monitor_device_index
== 0) {
2477 opts
= qemu_chr_parse_compat(label
, optarg
);
2479 fprintf(stderr
, "parse error: %s\n", optarg
);
2484 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2486 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2489 qemu_opt_set(opts
, "mode", mode
);
2490 qemu_opt_set(opts
, "chardev", label
);
2492 qemu_opt_set(opts
, "default", "on");
2493 monitor_device_index
++;
2496 struct device_config
{
2498 DEV_USB
, /* -usbdevice */
2500 DEV_SERIAL
, /* -serial */
2501 DEV_PARALLEL
, /* -parallel */
2502 DEV_VIRTCON
, /* -virtioconsole */
2503 DEV_DEBUGCON
, /* -debugcon */
2504 DEV_GDB
, /* -gdb, -s */
2505 DEV_SCLP
, /* s390 sclp */
2507 const char *cmdline
;
2509 QTAILQ_ENTRY(device_config
) next
;
2512 static QTAILQ_HEAD(, device_config
) device_configs
=
2513 QTAILQ_HEAD_INITIALIZER(device_configs
);
2515 static void add_device_config(int type
, const char *cmdline
)
2517 struct device_config
*conf
;
2519 conf
= g_malloc0(sizeof(*conf
));
2521 conf
->cmdline
= cmdline
;
2522 loc_save(&conf
->loc
);
2523 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2526 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2528 struct device_config
*conf
;
2531 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2532 if (conf
->type
!= type
)
2534 loc_push_restore(&conf
->loc
);
2535 rc
= func(conf
->cmdline
);
2536 loc_pop(&conf
->loc
);
2543 static int serial_parse(const char *devname
)
2545 static int index
= 0;
2548 if (strcmp(devname
, "none") == 0)
2550 if (index
== MAX_SERIAL_PORTS
) {
2551 fprintf(stderr
, "qemu: too many serial ports\n");
2554 snprintf(label
, sizeof(label
), "serial%d", index
);
2555 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2556 if (!serial_hds
[index
]) {
2557 fprintf(stderr
, "qemu: could not connect serial device"
2558 " to character backend '%s'\n", devname
);
2565 static int parallel_parse(const char *devname
)
2567 static int index
= 0;
2570 if (strcmp(devname
, "none") == 0)
2572 if (index
== MAX_PARALLEL_PORTS
) {
2573 fprintf(stderr
, "qemu: too many parallel ports\n");
2576 snprintf(label
, sizeof(label
), "parallel%d", index
);
2577 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2578 if (!parallel_hds
[index
]) {
2579 fprintf(stderr
, "qemu: could not connect parallel device"
2580 " to character backend '%s'\n", devname
);
2587 static int virtcon_parse(const char *devname
)
2589 QemuOptsList
*device
= qemu_find_opts("device");
2590 static int index
= 0;
2592 QemuOpts
*bus_opts
, *dev_opts
;
2594 if (strcmp(devname
, "none") == 0)
2596 if (index
== MAX_VIRTIO_CONSOLES
) {
2597 fprintf(stderr
, "qemu: too many virtio consoles\n");
2601 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2602 if (arch_type
== QEMU_ARCH_S390X
) {
2603 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2605 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2608 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2609 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2611 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2612 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2613 if (!virtcon_hds
[index
]) {
2614 fprintf(stderr
, "qemu: could not connect virtio console"
2615 " to character backend '%s'\n", devname
);
2618 qemu_opt_set(dev_opts
, "chardev", label
);
2624 static int sclp_parse(const char *devname
)
2626 QemuOptsList
*device
= qemu_find_opts("device");
2627 static int index
= 0;
2631 if (strcmp(devname
, "none") == 0) {
2634 if (index
== MAX_SCLP_CONSOLES
) {
2635 fprintf(stderr
, "qemu: too many sclp consoles\n");
2639 assert(arch_type
== QEMU_ARCH_S390X
);
2641 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2642 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2644 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2645 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2646 if (!sclp_hds
[index
]) {
2647 fprintf(stderr
, "qemu: could not connect sclp console"
2648 " to character backend '%s'\n", devname
);
2651 qemu_opt_set(dev_opts
, "chardev", label
);
2657 static int debugcon_parse(const char *devname
)
2661 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2664 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2666 fprintf(stderr
, "qemu: already have a debugcon device\n");
2669 qemu_opt_set(opts
, "driver", "isa-debugcon");
2670 qemu_opt_set(opts
, "chardev", "debugcon");
2674 static MachineClass
*machine_parse(const char *name
)
2676 MachineClass
*mc
= NULL
;
2677 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2680 mc
= find_machine(name
);
2685 if (name
&& !is_help_option(name
)) {
2686 error_report("Unsupported machine type");
2687 error_printf("Use -machine help to list supported machines!\n");
2689 printf("Supported machines are:\n");
2690 for (el
= machines
; el
; el
= el
->next
) {
2691 MachineClass
*mc
= el
->data
;
2692 QEMUMachine
*m
= mc
->qemu_machine
;
2694 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2696 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2697 m
->is_default
? " (default)" : "");
2701 g_slist_free(machines
);
2702 exit(!name
|| !is_help_option(name
));
2705 static int tcg_init(QEMUMachine
*machine
)
2707 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2712 const char *opt_name
;
2714 int (*available
)(void);
2715 int (*init
)(QEMUMachine
*);
2718 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2719 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2720 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2721 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2724 static int configure_accelerator(QEMUMachine
*machine
)
2729 bool accel_initialised
= false;
2730 bool init_failed
= false;
2732 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2734 /* Use the default "accelerator", tcg */
2738 while (!accel_initialised
&& *p
!= '\0') {
2742 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2743 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2744 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2745 if (!accel_list
[i
].available()) {
2746 printf("%s not supported for this target\n",
2747 accel_list
[i
].name
);
2750 *(accel_list
[i
].allowed
) = true;
2751 ret
= accel_list
[i
].init(machine
);
2754 fprintf(stderr
, "failed to initialize %s: %s\n",
2757 *(accel_list
[i
].allowed
) = false;
2759 accel_initialised
= true;
2764 if (i
== ARRAY_SIZE(accel_list
)) {
2765 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2769 if (!accel_initialised
) {
2771 fprintf(stderr
, "No accelerator found!\n");
2777 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2780 return !accel_initialised
;
2783 void qemu_add_exit_notifier(Notifier
*notify
)
2785 notifier_list_add(&exit_notifiers
, notify
);
2788 void qemu_remove_exit_notifier(Notifier
*notify
)
2790 notifier_remove(notify
);
2793 static void qemu_run_exit_notifiers(void)
2795 notifier_list_notify(&exit_notifiers
, NULL
);
2798 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2800 notifier_list_add(&machine_init_done_notifiers
, notify
);
2803 static void qemu_run_machine_init_done_notifiers(void)
2805 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2808 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2809 const char **poptarg
, int *poptind
)
2811 const QEMUOption
*popt
;
2812 int optind
= *poptind
;
2813 char *r
= argv
[optind
];
2816 loc_set_cmdline(argv
, optind
, 1);
2818 /* Treat --foo the same as -foo. */
2821 popt
= qemu_options
;
2824 error_report("invalid option");
2827 if (!strcmp(popt
->name
, r
+ 1))
2831 if (popt
->flags
& HAS_ARG
) {
2832 if (optind
>= argc
) {
2833 error_report("requires an argument");
2836 optarg
= argv
[optind
++];
2837 loc_set_cmdline(argv
, optind
- 2, 2);
2848 static gpointer
malloc_and_trace(gsize n_bytes
)
2850 void *ptr
= malloc(n_bytes
);
2851 trace_g_malloc(n_bytes
, ptr
);
2855 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2857 void *ptr
= realloc(mem
, n_bytes
);
2858 trace_g_realloc(mem
, n_bytes
, ptr
);
2862 static void free_and_trace(gpointer mem
)
2868 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2870 Object
*obj
= OBJECT(opaque
);
2871 StringInputVisitor
*siv
;
2872 Error
*local_err
= NULL
;
2874 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2878 siv
= string_input_visitor_new(value
);
2879 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2880 string_input_visitor_cleanup(siv
);
2883 qerror_report_err(local_err
);
2884 error_free(local_err
);
2891 static int object_create(QemuOpts
*opts
, void *opaque
)
2893 const char *type
= qemu_opt_get(opts
, "qom-type");
2894 const char *id
= qemu_opts_id(opts
);
2895 Error
*local_err
= NULL
;
2898 g_assert(type
!= NULL
);
2901 qerror_report(QERR_MISSING_PARAMETER
, "id");
2905 obj
= object_new(type
);
2906 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2911 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2912 error_setg(&local_err
, "object '%s' isn't supported by -object",
2917 user_creatable_complete(obj
, &local_err
);
2922 object_property_add_child(container_get(object_get_root(), "/objects"),
2923 id
, obj
, &local_err
);
2928 qerror_report_err(local_err
);
2929 error_free(local_err
);
2935 int main(int argc
, char **argv
, char **envp
)
2938 int snapshot
, linux_boot
;
2939 const char *icount_option
= NULL
;
2940 const char *initrd_filename
;
2941 const char *kernel_filename
, *kernel_cmdline
;
2942 const char *boot_order
;
2944 int cyls
, heads
, secs
, translation
;
2945 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2946 QemuOptsList
*olist
;
2949 const char *loadvm
= NULL
;
2950 MachineClass
*machine_class
;
2951 QEMUMachine
*machine
;
2952 const char *cpu_model
;
2953 const char *vga_model
= NULL
;
2954 const char *qtest_chrdev
= NULL
;
2955 const char *qtest_log
= NULL
;
2956 const char *pid_file
= NULL
;
2957 const char *incoming
= NULL
;
2959 int show_vnc_port
= 0;
2961 bool defconfig
= true;
2962 bool userconfig
= true;
2963 const char *log_mask
= NULL
;
2964 const char *log_file
= NULL
;
2965 GMemVTable mem_trace
= {
2966 .malloc
= malloc_and_trace
,
2967 .realloc
= realloc_and_trace
,
2968 .free
= free_and_trace
,
2970 const char *trace_events
= NULL
;
2971 const char *trace_file
= NULL
;
2972 const ram_addr_t default_ram_size
= (ram_addr_t
)DEFAULT_RAM_SIZE
*
2975 atexit(qemu_run_exit_notifiers
);
2976 error_set_progname(argv
[0]);
2977 qemu_init_exec_dir(argv
[0]);
2979 g_mem_set_vtable(&mem_trace
);
2981 module_call_init(MODULE_INIT_QOM
);
2983 qemu_add_opts(&qemu_drive_opts
);
2984 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2985 qemu_add_drive_opts(&qemu_common_drive_opts
);
2986 qemu_add_drive_opts(&qemu_drive_opts
);
2987 qemu_add_opts(&qemu_chardev_opts
);
2988 qemu_add_opts(&qemu_device_opts
);
2989 qemu_add_opts(&qemu_netdev_opts
);
2990 qemu_add_opts(&qemu_net_opts
);
2991 qemu_add_opts(&qemu_rtc_opts
);
2992 qemu_add_opts(&qemu_global_opts
);
2993 qemu_add_opts(&qemu_mon_opts
);
2994 qemu_add_opts(&qemu_trace_opts
);
2995 qemu_add_opts(&qemu_option_rom_opts
);
2996 qemu_add_opts(&qemu_machine_opts
);
2997 qemu_add_opts(&qemu_mem_opts
);
2998 qemu_add_opts(&qemu_smp_opts
);
2999 qemu_add_opts(&qemu_boot_opts
);
3000 qemu_add_opts(&qemu_sandbox_opts
);
3001 qemu_add_opts(&qemu_add_fd_opts
);
3002 qemu_add_opts(&qemu_object_opts
);
3003 qemu_add_opts(&qemu_tpmdev_opts
);
3004 qemu_add_opts(&qemu_realtime_opts
);
3005 qemu_add_opts(&qemu_msg_opts
);
3006 qemu_add_opts(&qemu_name_opts
);
3011 rtc_clock
= QEMU_CLOCK_HOST
;
3013 qemu_init_auxval(envp
);
3014 qemu_cache_utils_init();
3016 QLIST_INIT (&vm_change_state_head
);
3017 os_setup_early_signal_handling();
3019 module_call_init(MODULE_INIT_MACHINE
);
3020 machine_class
= find_default_machine();
3022 ram_size
= default_ram_size
;
3024 cyls
= heads
= secs
= 0;
3025 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3027 for (i
= 0; i
< MAX_NODES
; i
++) {
3029 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
3035 bdrv_init_with_whitelist();
3039 /* first pass of option parsing */
3041 while (optind
< argc
) {
3042 if (argv
[optind
][0] != '-') {
3046 const QEMUOption
*popt
;
3048 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3049 switch (popt
->index
) {
3050 case QEMU_OPTION_nodefconfig
:
3053 case QEMU_OPTION_nouserconfig
:
3062 ret
= qemu_read_default_config_files(userconfig
);
3068 /* second pass of option parsing */
3073 if (argv
[optind
][0] != '-') {
3074 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3076 const QEMUOption
*popt
;
3078 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3079 if (!(popt
->arch_mask
& arch_type
)) {
3080 printf("Option %s not supported for this target\n", popt
->name
);
3083 switch(popt
->index
) {
3085 machine_class
= machine_parse(optarg
);
3087 case QEMU_OPTION_no_kvm_irqchip
: {
3088 olist
= qemu_find_opts("machine");
3089 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3092 case QEMU_OPTION_cpu
:
3093 /* hw initialization will check this */
3096 case QEMU_OPTION_hda
:
3100 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3102 snprintf(buf
, sizeof(buf
),
3103 "%s,cyls=%d,heads=%d,secs=%d%s",
3104 HD_OPTS
, cyls
, heads
, secs
,
3105 translation
== BIOS_ATA_TRANSLATION_LBA
?
3107 translation
== BIOS_ATA_TRANSLATION_NONE
?
3108 ",trans=none" : "");
3109 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3112 case QEMU_OPTION_hdb
:
3113 case QEMU_OPTION_hdc
:
3114 case QEMU_OPTION_hdd
:
3115 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3118 case QEMU_OPTION_drive
:
3119 if (drive_def(optarg
) == NULL
) {
3123 case QEMU_OPTION_set
:
3124 if (qemu_set_option(optarg
) != 0)
3127 case QEMU_OPTION_global
:
3128 if (qemu_global_option(optarg
) != 0)
3131 case QEMU_OPTION_mtdblock
:
3132 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3134 case QEMU_OPTION_sd
:
3135 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3137 case QEMU_OPTION_pflash
:
3138 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3140 case QEMU_OPTION_snapshot
:
3143 case QEMU_OPTION_hdachs
:
3147 cyls
= strtol(p
, (char **)&p
, 0);
3148 if (cyls
< 1 || cyls
> 16383)
3153 heads
= strtol(p
, (char **)&p
, 0);
3154 if (heads
< 1 || heads
> 16)
3159 secs
= strtol(p
, (char **)&p
, 0);
3160 if (secs
< 1 || secs
> 63)
3164 if (!strcmp(p
, "large")) {
3165 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3166 } else if (!strcmp(p
, "rechs")) {
3167 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3168 } else if (!strcmp(p
, "none")) {
3169 translation
= BIOS_ATA_TRANSLATION_NONE
;
3170 } else if (!strcmp(p
, "lba")) {
3171 translation
= BIOS_ATA_TRANSLATION_LBA
;
3172 } else if (!strcmp(p
, "auto")) {
3173 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3177 } else if (*p
!= '\0') {
3179 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3182 if (hda_opts
!= NULL
) {
3184 snprintf(num
, sizeof(num
), "%d", cyls
);
3185 qemu_opt_set(hda_opts
, "cyls", num
);
3186 snprintf(num
, sizeof(num
), "%d", heads
);
3187 qemu_opt_set(hda_opts
, "heads", num
);
3188 snprintf(num
, sizeof(num
), "%d", secs
);
3189 qemu_opt_set(hda_opts
, "secs", num
);
3190 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3191 qemu_opt_set(hda_opts
, "trans", "large");
3192 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3193 qemu_opt_set(hda_opts
, "trans", "rechs");
3194 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3195 qemu_opt_set(hda_opts
, "trans", "lba");
3196 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3197 qemu_opt_set(hda_opts
, "trans", "none");
3202 case QEMU_OPTION_numa
:
3205 case QEMU_OPTION_display
:
3206 display_type
= select_display(optarg
);
3208 case QEMU_OPTION_nographic
:
3209 display_type
= DT_NOGRAPHIC
;
3211 case QEMU_OPTION_curses
:
3212 #ifdef CONFIG_CURSES
3213 display_type
= DT_CURSES
;
3215 fprintf(stderr
, "Curses support is disabled\n");
3219 case QEMU_OPTION_portrait
:
3220 graphic_rotate
= 90;
3222 case QEMU_OPTION_rotate
:
3223 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3224 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3225 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3227 "qemu: only 90, 180, 270 deg rotation is available\n");
3231 case QEMU_OPTION_kernel
:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3234 case QEMU_OPTION_initrd
:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3237 case QEMU_OPTION_append
:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3240 case QEMU_OPTION_dtb
:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3243 case QEMU_OPTION_cdrom
:
3244 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3246 case QEMU_OPTION_boot
:
3247 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3252 case QEMU_OPTION_fda
:
3253 case QEMU_OPTION_fdb
:
3254 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3257 case QEMU_OPTION_no_fd_bootchk
:
3260 case QEMU_OPTION_netdev
:
3261 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3265 case QEMU_OPTION_net
:
3266 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3270 #ifdef CONFIG_LIBISCSI
3271 case QEMU_OPTION_iscsi
:
3272 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3279 case QEMU_OPTION_tftp
:
3280 legacy_tftp_prefix
= optarg
;
3282 case QEMU_OPTION_bootp
:
3283 legacy_bootp_filename
= optarg
;
3285 case QEMU_OPTION_redir
:
3286 if (net_slirp_redir(optarg
) < 0)
3290 case QEMU_OPTION_bt
:
3291 add_device_config(DEV_BT
, optarg
);
3293 case QEMU_OPTION_audio_help
:
3297 case QEMU_OPTION_soundhw
:
3298 select_soundhw (optarg
);
3303 case QEMU_OPTION_version
:
3307 case QEMU_OPTION_m
: {
3309 const char *mem_str
;
3311 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3317 mem_str
= qemu_opt_get(opts
, "size");
3319 error_report("invalid -m option, missing 'size' option");
3323 error_report("missing 'size' option value");
3327 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
3329 /* Fix up legacy suffix-less format */
3330 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
3331 uint64_t overflow_check
= sz
;
3334 if ((sz
>> 20) != overflow_check
) {
3335 error_report("too large 'size' option value");
3340 /* backward compatibility behaviour for case "-m 0" */
3342 sz
= default_ram_size
;
3345 sz
= QEMU_ALIGN_UP(sz
, 8192);
3347 if (ram_size
!= sz
) {
3348 error_report("ram size too large");
3354 case QEMU_OPTION_tpmdev
:
3355 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3360 case QEMU_OPTION_mempath
:
3363 case QEMU_OPTION_mem_prealloc
:
3373 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3375 case QEMU_OPTION_gdb
:
3376 add_device_config(DEV_GDB
, optarg
);
3379 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3380 data_dir
[data_dir_idx
++] = optarg
;
3383 case QEMU_OPTION_bios
:
3384 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3386 case QEMU_OPTION_singlestep
:
3393 keyboard_layout
= optarg
;
3395 case QEMU_OPTION_localtime
:
3398 case QEMU_OPTION_vga
:
3407 w
= strtol(p
, (char **)&p
, 10);
3410 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3416 h
= strtol(p
, (char **)&p
, 10);
3421 depth
= strtol(p
, (char **)&p
, 10);
3422 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3423 depth
!= 24 && depth
!= 32)
3425 } else if (*p
== '\0') {
3426 depth
= graphic_depth
;
3433 graphic_depth
= depth
;
3436 case QEMU_OPTION_echr
:
3439 term_escape_char
= strtol(optarg
, &r
, 0);
3441 printf("Bad argument to echr\n");
3444 case QEMU_OPTION_monitor
:
3445 default_monitor
= 0;
3446 if (strncmp(optarg
, "none", 4)) {
3447 monitor_parse(optarg
, "readline");
3450 case QEMU_OPTION_qmp
:
3451 monitor_parse(optarg
, "control");
3452 default_monitor
= 0;
3454 case QEMU_OPTION_mon
:
3455 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3459 default_monitor
= 0;
3461 case QEMU_OPTION_chardev
:
3462 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3467 case QEMU_OPTION_fsdev
:
3468 olist
= qemu_find_opts("fsdev");
3470 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3473 opts
= qemu_opts_parse(olist
, optarg
, 1);
3478 case QEMU_OPTION_virtfs
: {
3481 const char *writeout
, *sock_fd
, *socket
;
3483 olist
= qemu_find_opts("virtfs");
3485 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3488 opts
= qemu_opts_parse(olist
, optarg
, 1);
3493 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3494 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3495 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3498 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3499 qemu_opt_get(opts
, "mount_tag"),
3502 fprintf(stderr
, "duplicate fsdev id: %s\n",
3503 qemu_opt_get(opts
, "mount_tag"));
3507 writeout
= qemu_opt_get(opts
, "writeout");
3509 #ifdef CONFIG_SYNC_FILE_RANGE
3510 qemu_opt_set(fsdev
, "writeout", writeout
);
3512 fprintf(stderr
, "writeout=immediate not supported on "
3517 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3518 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3519 qemu_opt_set(fsdev
, "security_model",
3520 qemu_opt_get(opts
, "security_model"));
3521 socket
= qemu_opt_get(opts
, "socket");
3523 qemu_opt_set(fsdev
, "socket", socket
);
3525 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3527 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3530 qemu_opt_set_bool(fsdev
, "readonly",
3531 qemu_opt_get_bool(opts
, "readonly", 0));
3532 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3534 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3535 qemu_opt_set(device
, "fsdev",
3536 qemu_opt_get(opts
, "mount_tag"));
3537 qemu_opt_set(device
, "mount_tag",
3538 qemu_opt_get(opts
, "mount_tag"));
3541 case QEMU_OPTION_virtfs_synth
: {
3545 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3548 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3551 qemu_opt_set(fsdev
, "fsdriver", "synth");
3553 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3555 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3556 qemu_opt_set(device
, "fsdev", "v_synth");
3557 qemu_opt_set(device
, "mount_tag", "v_synth");
3560 case QEMU_OPTION_serial
:
3561 add_device_config(DEV_SERIAL
, optarg
);
3563 if (strncmp(optarg
, "mon:", 4) == 0) {
3564 default_monitor
= 0;
3567 case QEMU_OPTION_watchdog
:
3570 "qemu: only one watchdog option may be given\n");
3575 case QEMU_OPTION_watchdog_action
:
3576 if (select_watchdog_action(optarg
) == -1) {
3577 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3581 case QEMU_OPTION_virtiocon
:
3582 add_device_config(DEV_VIRTCON
, optarg
);
3583 default_virtcon
= 0;
3584 if (strncmp(optarg
, "mon:", 4) == 0) {
3585 default_monitor
= 0;
3588 case QEMU_OPTION_parallel
:
3589 add_device_config(DEV_PARALLEL
, optarg
);
3590 default_parallel
= 0;
3591 if (strncmp(optarg
, "mon:", 4) == 0) {
3592 default_monitor
= 0;
3595 case QEMU_OPTION_debugcon
:
3596 add_device_config(DEV_DEBUGCON
, optarg
);
3598 case QEMU_OPTION_loadvm
:
3601 case QEMU_OPTION_full_screen
:
3604 case QEMU_OPTION_no_frame
:
3607 case QEMU_OPTION_alt_grab
:
3610 case QEMU_OPTION_ctrl_grab
:
3613 case QEMU_OPTION_no_quit
:
3616 case QEMU_OPTION_sdl
:
3618 display_type
= DT_SDL
;
3621 fprintf(stderr
, "SDL support is disabled\n");
3624 case QEMU_OPTION_pidfile
:
3627 case QEMU_OPTION_win2k_hack
:
3628 win2k_install_hack
= 1;
3630 case QEMU_OPTION_rtc_td_hack
: {
3631 static GlobalProperty slew_lost_ticks
[] = {
3633 .driver
= "mc146818rtc",
3634 .property
= "lost_tick_policy",
3637 { /* end of list */ }
3640 qdev_prop_register_global_list(slew_lost_ticks
);
3643 case QEMU_OPTION_acpitable
:
3644 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3648 do_acpitable_option(opts
);
3650 case QEMU_OPTION_smbios
:
3651 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3655 do_smbios_option(opts
);
3657 case QEMU_OPTION_enable_kvm
:
3658 olist
= qemu_find_opts("machine");
3659 qemu_opts_parse(olist
, "accel=kvm", 0);
3661 case QEMU_OPTION_machine
:
3662 olist
= qemu_find_opts("machine");
3663 opts
= qemu_opts_parse(olist
, optarg
, 1);
3667 optarg
= qemu_opt_get(opts
, "type");
3669 machine_class
= machine_parse(optarg
);
3672 case QEMU_OPTION_no_kvm
:
3673 olist
= qemu_find_opts("machine");
3674 qemu_opts_parse(olist
, "accel=tcg", 0);
3676 case QEMU_OPTION_no_kvm_pit
: {
3677 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3681 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3682 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3684 .driver
= "kvm-pit",
3685 .property
= "lost_tick_policy",
3688 { /* end of list */ }
3691 fprintf(stderr
, "Warning: option deprecated, use "
3692 "lost_tick_policy property of kvm-pit instead.\n");
3693 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3696 case QEMU_OPTION_usb
:
3697 olist
= qemu_find_opts("machine");
3698 qemu_opts_parse(olist
, "usb=on", 0);
3700 case QEMU_OPTION_usbdevice
:
3701 olist
= qemu_find_opts("machine");
3702 qemu_opts_parse(olist
, "usb=on", 0);
3703 add_device_config(DEV_USB
, optarg
);
3705 case QEMU_OPTION_device
:
3706 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3710 case QEMU_OPTION_smp
:
3711 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3715 case QEMU_OPTION_vnc
:
3718 vnc_display
= optarg
;
3720 fprintf(stderr
, "VNC support is disabled\n");
3724 case QEMU_OPTION_no_acpi
:
3727 case QEMU_OPTION_no_hpet
:
3730 case QEMU_OPTION_balloon
:
3731 if (balloon_parse(optarg
) < 0) {
3732 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3736 case QEMU_OPTION_no_reboot
:
3739 case QEMU_OPTION_no_shutdown
:
3742 case QEMU_OPTION_show_cursor
:
3745 case QEMU_OPTION_uuid
:
3746 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3747 fprintf(stderr
, "Fail to parse UUID string."
3748 " Wrong format.\n");
3751 qemu_uuid_set
= true;
3753 case QEMU_OPTION_option_rom
:
3754 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3755 fprintf(stderr
, "Too many option ROMs\n");
3758 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3762 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3763 option_rom
[nb_option_roms
].bootindex
=
3764 qemu_opt_get_number(opts
, "bootindex", -1);
3765 if (!option_rom
[nb_option_roms
].name
) {
3766 fprintf(stderr
, "Option ROM file is not specified\n");
3771 case QEMU_OPTION_semihosting
:
3772 semihosting_enabled
= 1;
3774 case QEMU_OPTION_tdf
:
3775 fprintf(stderr
, "Warning: user space PIT time drift fix "
3776 "is no longer supported.\n");
3778 case QEMU_OPTION_name
:
3779 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3785 case QEMU_OPTION_prom_env
:
3786 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3787 fprintf(stderr
, "Too many prom variables\n");
3790 prom_envs
[nb_prom_envs
] = optarg
;
3793 case QEMU_OPTION_old_param
:
3796 case QEMU_OPTION_clock
:
3797 /* Clock options no longer exist. Keep this option for
3798 * backward compatibility.
3801 case QEMU_OPTION_startdate
:
3802 configure_rtc_date_offset(optarg
, 1);
3804 case QEMU_OPTION_rtc
:
3805 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3809 configure_rtc(opts
);
3811 case QEMU_OPTION_tb_size
:
3812 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3813 if (tcg_tb_size
< 0) {
3817 case QEMU_OPTION_icount
:
3818 icount_option
= optarg
;
3820 case QEMU_OPTION_incoming
:
3822 runstate_set(RUN_STATE_INMIGRATE
);
3824 case QEMU_OPTION_nodefaults
:
3827 case QEMU_OPTION_xen_domid
:
3828 if (!(xen_available())) {
3829 printf("Option %s not supported for this target\n", popt
->name
);
3832 xen_domid
= atoi(optarg
);
3834 case QEMU_OPTION_xen_create
:
3835 if (!(xen_available())) {
3836 printf("Option %s not supported for this target\n", popt
->name
);
3839 xen_mode
= XEN_CREATE
;
3841 case QEMU_OPTION_xen_attach
:
3842 if (!(xen_available())) {
3843 printf("Option %s not supported for this target\n", popt
->name
);
3846 xen_mode
= XEN_ATTACH
;
3848 case QEMU_OPTION_trace
:
3850 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3854 trace_events
= qemu_opt_get(opts
, "events");
3855 trace_file
= qemu_opt_get(opts
, "file");
3858 case QEMU_OPTION_readconfig
:
3860 int ret
= qemu_read_config_file(optarg
);
3862 fprintf(stderr
, "read config %s: %s\n", optarg
,
3868 case QEMU_OPTION_spice
:
3869 olist
= qemu_find_opts("spice");
3871 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3874 opts
= qemu_opts_parse(olist
, optarg
, 0);
3880 case QEMU_OPTION_writeconfig
:
3883 if (strcmp(optarg
, "-") == 0) {
3886 fp
= fopen(optarg
, "w");
3888 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3892 qemu_config_write(fp
);
3896 case QEMU_OPTION_qtest
:
3897 qtest_chrdev
= optarg
;
3899 case QEMU_OPTION_qtest_log
:
3902 case QEMU_OPTION_sandbox
:
3903 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3908 case QEMU_OPTION_add_fd
:
3910 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3915 error_report("File descriptor passing is disabled on this "
3920 case QEMU_OPTION_object
:
3921 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3926 case QEMU_OPTION_realtime
:
3927 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3931 configure_realtime(opts
);
3933 case QEMU_OPTION_msg
:
3934 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3938 configure_msg(opts
);
3941 os_parse_cmd_args(popt
->index
, optarg
);
3947 if (qemu_init_main_loop()) {
3948 fprintf(stderr
, "qemu_init_main_loop failed\n");
3952 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3957 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3961 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3966 if (machine_class
== NULL
) {
3967 fprintf(stderr
, "No machine specified, and there is no default.\n"
3968 "Use -machine help to list supported machines!\n");
3972 current_machine
= MACHINE(object_new(object_class_get_name(
3973 OBJECT_CLASS(machine_class
))));
3974 object_property_add_child(object_get_root(), "machine",
3975 OBJECT(current_machine
), &error_abort
);
3977 machine
= machine_class
->qemu_machine
;
3978 if (machine
->hw_version
) {
3979 qemu_set_version(machine
->hw_version
);
3982 if (qemu_opts_foreach(qemu_find_opts("object"),
3983 object_create
, NULL
, 0) != 0) {
3987 /* Init CPU def lists, based on config
3988 * - Must be called after all the qemu_read_config_file() calls
3989 * - Must be called before list_cpus()
3990 * - Must be called before machine->init()
3994 if (cpu_model
&& is_help_option(cpu_model
)) {
3995 list_cpus(stdout
, &fprintf
, cpu_model
);
3999 /* Open the logfile at this point, if necessary. We can't open the logfile
4000 * when encountering either of the logging options (-d or -D) because the
4001 * other one may be encountered later on the command line, changing the
4002 * location or level of logging.
4007 qemu_set_log_filename(log_file
);
4010 mask
= qemu_str_to_log_mask(log_mask
);
4012 qemu_print_log_usage(stdout
);
4018 if (!is_daemonized()) {
4019 if (!trace_backend_init(trace_events
, trace_file
)) {
4024 /* If no data_dir is specified then try to find it relative to the
4026 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4027 data_dir
[data_dir_idx
] = os_find_datadir();
4028 if (data_dir
[data_dir_idx
] != NULL
) {
4032 /* If all else fails use the install path specified when building. */
4033 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4034 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4037 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4039 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
4040 if (smp_cpus
> machine
->max_cpus
) {
4041 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4042 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
4048 * Get the default machine options from the machine if it is not already
4049 * specified either by the configuration file or by the command line.
4051 if (machine
->default_machine_opts
) {
4052 qemu_opts_set_defaults(qemu_find_opts("machine"),
4053 machine
->default_machine_opts
, 0);
4056 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4057 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4059 if (!vga_model
&& !default_vga
) {
4060 vga_interface_type
= VGA_DEVICE
;
4062 if (!has_defaults
|| machine
->no_serial
) {
4065 if (!has_defaults
|| machine
->no_parallel
) {
4066 default_parallel
= 0;
4068 if (!has_defaults
|| !machine
->use_virtcon
) {
4069 default_virtcon
= 0;
4071 if (!has_defaults
|| !machine
->use_sclp
) {
4074 if (!has_defaults
|| machine
->no_floppy
) {
4077 if (!has_defaults
|| machine
->no_cdrom
) {
4080 if (!has_defaults
|| machine
->no_sdcard
) {
4083 if (!has_defaults
) {
4084 default_monitor
= 0;
4089 if (is_daemonized()) {
4090 /* According to documentation and historically, -nographic redirects
4091 * serial port, parallel port and monitor to stdio, which does not work
4092 * with -daemonize. We can redirect these to null instead, but since
4093 * -nographic is legacy, let's just error out.
4094 * We disallow -nographic only if all other ports are not redirected
4095 * explicitly, to not break existing legacy setups which uses
4096 * -nographic _and_ redirects all ports explicitly - this is valid
4097 * usage, -nographic is just a no-op in this case.
4099 if (display_type
== DT_NOGRAPHIC
4100 && (default_parallel
|| default_serial
4101 || default_monitor
|| default_virtcon
)) {
4102 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4105 #ifdef CONFIG_CURSES
4106 if (display_type
== DT_CURSES
) {
4107 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4113 if (display_type
== DT_NOGRAPHIC
) {
4114 if (default_parallel
)
4115 add_device_config(DEV_PARALLEL
, "null");
4116 if (default_serial
&& default_monitor
) {
4117 add_device_config(DEV_SERIAL
, "mon:stdio");
4118 } else if (default_virtcon
&& default_monitor
) {
4119 add_device_config(DEV_VIRTCON
, "mon:stdio");
4120 } else if (default_sclp
&& default_monitor
) {
4121 add_device_config(DEV_SCLP
, "mon:stdio");
4124 add_device_config(DEV_SERIAL
, "stdio");
4125 if (default_virtcon
)
4126 add_device_config(DEV_VIRTCON
, "stdio");
4128 add_device_config(DEV_SCLP
, "stdio");
4130 if (default_monitor
)
4131 monitor_parse("stdio", "readline");
4135 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4136 if (default_parallel
)
4137 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4138 if (default_monitor
)
4139 monitor_parse("vc:80Cx24C", "readline");
4140 if (default_virtcon
)
4141 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4143 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4147 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4148 #if defined(CONFIG_GTK)
4149 display_type
= DT_GTK
;
4150 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4151 display_type
= DT_SDL
;
4152 #elif defined(CONFIG_VNC)
4153 vnc_display
= "localhost:0,to=99";
4156 display_type
= DT_NONE
;
4160 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4161 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4162 "for SDL, ignoring option\n");
4164 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4165 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4166 "ignoring option\n");
4169 #if defined(CONFIG_GTK)
4170 if (display_type
== DT_GTK
) {
4171 early_gtk_display_init();
4177 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4179 #ifdef CONFIG_VIRTFS
4180 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4187 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4192 /* store value for the future use */
4193 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size
);
4195 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4200 configure_accelerator(machine
);
4203 Error
*local_err
= NULL
;
4204 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4206 error_report("%s", error_get_pretty(local_err
));
4207 error_free(local_err
);
4212 machine_opts
= qemu_get_machine_opts();
4213 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4214 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4215 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4216 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4218 boot_order
= machine
->default_boot_order
;
4219 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4221 char *normal_boot_order
;
4222 const char *order
, *once
;
4224 order
= qemu_opt_get(opts
, "order");
4226 validate_bootdevices(order
);
4230 once
= qemu_opt_get(opts
, "once");
4232 validate_bootdevices(once
);
4233 normal_boot_order
= g_strdup(boot_order
);
4235 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4238 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4239 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4242 if (!kernel_cmdline
) {
4243 kernel_cmdline
= "";
4246 linux_boot
= (kernel_filename
!= NULL
);
4248 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4249 fprintf(stderr
, "-append only allowed with -kernel option\n");
4253 if (!linux_boot
&& initrd_filename
!= NULL
) {
4254 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4258 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4259 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4263 os_set_line_buffering();
4265 qemu_init_cpu_loop();
4266 qemu_mutex_lock_iothread();
4269 /* spice needs the timers to be initialized by this point */
4273 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4274 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4277 configure_icount(icount_option
);
4279 /* clean up network at qemu process termination */
4280 atexit(&net_cleanup
);
4282 if (net_init_clients() < 0) {
4287 if (tpm_init() < 0) {
4292 /* init the bluetooth world */
4293 if (foreach_device_config(DEV_BT
, bt_parse
))
4296 if (!xen_enabled()) {
4297 /* On 32-bit hosts, QEMU is limited by virtual address space */
4298 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4299 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4304 cpu_exec_init_all();
4308 /* open the virtual block devices */
4310 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4311 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4312 &machine
->block_default_type
, 1) != 0) {
4316 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4318 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4319 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4321 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4323 if (nb_numa_nodes
> 0) {
4326 if (nb_numa_nodes
> MAX_NODES
) {
4327 nb_numa_nodes
= MAX_NODES
;
4330 /* If no memory size if given for any node, assume the default case
4331 * and distribute the available memory equally across all nodes
4333 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4334 if (node_mem
[i
] != 0)
4337 if (i
== nb_numa_nodes
) {
4338 uint64_t usedmem
= 0;
4340 /* On Linux, the each node's border has to be 8MB aligned,
4341 * the final node gets the rest.
4343 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4344 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4345 usedmem
+= node_mem
[i
];
4347 node_mem
[i
] = ram_size
- usedmem
;
4350 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4351 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4355 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4356 * must cope with this anyway, because there are BIOSes out there in
4357 * real machines which also use this scheme.
4359 if (i
== nb_numa_nodes
) {
4360 for (i
= 0; i
< max_cpus
; i
++) {
4361 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4366 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4370 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4372 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4374 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4376 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4379 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4382 /* If no default VGA is requested, the default is "none". */
4384 if (cirrus_vga_available()) {
4385 vga_model
= "cirrus";
4386 } else if (vga_available()) {
4391 select_vgahw(vga_model
);
4395 i
= select_watchdog(watchdog
);
4397 exit (i
== 1 ? 1 : 0);
4400 if (machine
->compat_props
) {
4401 qdev_prop_register_global_list(machine
->compat_props
);
4405 qdev_machine_init();
4407 current_machine
->init_args
= (QEMUMachineInitArgs
) {
4409 .ram_size
= ram_size
,
4410 .boot_order
= boot_order
,
4411 .kernel_filename
= kernel_filename
,
4412 .kernel_cmdline
= kernel_cmdline
,
4413 .initrd_filename
= initrd_filename
,
4414 .cpu_model
= cpu_model
};
4416 machine
->init(¤t_machine
->init_args
);
4420 cpu_synchronize_all_post_init();
4424 /* init USB devices */
4425 if (usb_enabled(false)) {
4426 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4430 /* init generic devices */
4431 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4434 net_check_clients();
4436 ds
= init_displaystate();
4438 /* init local displays */
4439 switch (display_type
) {
4441 (void)ds
; /* avoid warning if no display is configured */
4443 #if defined(CONFIG_CURSES)
4445 curses_display_init(ds
, full_screen
);
4448 #if defined(CONFIG_SDL)
4450 sdl_display_init(ds
, full_screen
, no_frame
);
4452 #elif defined(CONFIG_COCOA)
4454 cocoa_display_init(ds
, full_screen
);
4457 #if defined(CONFIG_GTK)
4459 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4466 /* must be after terminal init, SDL library changes signal handlers */
4467 os_setup_signal_handling();
4470 /* init remote displays */
4472 Error
*local_err
= NULL
;
4473 vnc_display_init(ds
);
4474 vnc_display_open(ds
, vnc_display
, &local_err
);
4475 if (local_err
!= NULL
) {
4476 error_report("Failed to start VNC server on `%s': %s",
4477 vnc_display
, error_get_pretty(local_err
));
4478 error_free(local_err
);
4482 if (show_vnc_port
) {
4483 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4489 qemu_spice_display_init();
4493 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4497 qdev_machine_creation_done();
4499 if (rom_load_all() != 0) {
4500 fprintf(stderr
, "rom loading failed\n");
4504 /* TODO: once all bus devices are qdevified, this should be done
4505 * when bus is created by qdev.c */
4506 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4507 qemu_run_machine_init_done_notifiers();
4509 /* Done notifiers can load ROMs */
4512 qemu_system_reset(VMRESET_SILENT
);
4514 if (load_vmstate(loadvm
) < 0) {
4520 Error
*local_err
= NULL
;
4521 qemu_start_incoming_migration(incoming
, &local_err
);
4523 error_report("-incoming %s: %s", incoming
,
4524 error_get_pretty(local_err
));
4525 error_free(local_err
);
4528 } else if (autostart
) {
4534 if (is_daemonized()) {
4535 if (!trace_backend_init(trace_events
, trace_file
)) {