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"
64 #include "sysemu/accel.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 "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
122 #define DEFAULT_RAM_SIZE 128
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
127 static const char *data_dir
[16];
128 static int data_dir_idx
;
129 const char *bios_name
= NULL
;
130 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
131 DisplayType display_type
= DT_DEFAULT
;
132 static int display_remote
;
133 const char* keyboard_layout
= NULL
;
135 const char *mem_path
= NULL
;
136 int mem_prealloc
= 0; /* force preallocation of physical target memory */
137 bool enable_mlock
= false;
139 NICInfo nd_table
[MAX_NICS
];
141 static int rtc_utc
= 1;
142 static int rtc_date_offset
= -1; /* -1 means no change */
143 QEMUClockType rtc_clock
;
144 int vga_interface_type
= VGA_NONE
;
145 static int full_screen
= 0;
146 static int no_frame
= 0;
149 static bool grab_on_hover
;
151 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
152 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
153 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
154 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
155 int win2k_install_hack
= 0;
162 const char *vnc_display
;
164 int acpi_enabled
= 1;
167 static int no_reboot
;
170 int graphic_rotate
= 0;
171 const char *watchdog
;
172 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
174 int semihosting_enabled
= 0;
176 const char *qemu_name
;
179 unsigned int nb_prom_envs
= 0;
180 const char *prom_envs
[MAX_PROM_ENVS
];
183 uint8_t *boot_splash_filedata
;
184 size_t boot_splash_filedata_size
;
185 uint8_t qemu_extra_params_fw
[2];
187 int icount_align_option
;
191 NodeInfo numa_info
[MAX_NODES
];
193 uint8_t qemu_uuid
[16];
196 static QEMUBootSetHandler
*boot_set_handler
;
197 static void *boot_set_opaque
;
199 static NotifierList exit_notifiers
=
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
202 static NotifierList machine_init_done_notifiers
=
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
207 enum xen_mode xen_mode
= XEN_EMULATE
;
209 static int has_defaults
= 1;
210 static int default_serial
= 1;
211 static int default_parallel
= 1;
212 static int default_virtcon
= 1;
213 static int default_sclp
= 1;
214 static int default_monitor
= 1;
215 static int default_floppy
= 1;
216 static int default_cdrom
= 1;
217 static int default_sdcard
= 1;
218 static int default_vga
= 1;
224 { .driver
= "isa-serial", .flag
= &default_serial
},
225 { .driver
= "isa-parallel", .flag
= &default_parallel
},
226 { .driver
= "isa-fdc", .flag
= &default_floppy
},
227 { .driver
= "ide-cd", .flag
= &default_cdrom
},
228 { .driver
= "ide-hd", .flag
= &default_cdrom
},
229 { .driver
= "ide-drive", .flag
= &default_cdrom
},
230 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
231 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
232 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
233 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
234 { .driver
= "VGA", .flag
= &default_vga
},
235 { .driver
= "isa-vga", .flag
= &default_vga
},
236 { .driver
= "cirrus-vga", .flag
= &default_vga
},
237 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
238 { .driver
= "vmware-svga", .flag
= &default_vga
},
239 { .driver
= "qxl-vga", .flag
= &default_vga
},
242 static QemuOptsList qemu_rtc_opts
= {
244 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
248 .type
= QEMU_OPT_STRING
,
251 .type
= QEMU_OPT_STRING
,
254 .type
= QEMU_OPT_STRING
,
256 { /* end of list */ }
260 static QemuOptsList qemu_sandbox_opts
= {
262 .implied_opt_name
= "enable",
263 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
267 .type
= QEMU_OPT_BOOL
,
269 { /* end of list */ }
273 static QemuOptsList qemu_trace_opts
= {
275 .implied_opt_name
= "trace",
276 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
280 .type
= QEMU_OPT_STRING
,
283 .type
= QEMU_OPT_STRING
,
285 { /* end of list */ }
289 static QemuOptsList qemu_option_rom_opts
= {
290 .name
= "option-rom",
291 .implied_opt_name
= "romfile",
292 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
296 .type
= QEMU_OPT_NUMBER
,
299 .type
= QEMU_OPT_STRING
,
301 { /* end of list */ }
305 static QemuOptsList qemu_machine_opts
= {
307 .implied_opt_name
= "type",
309 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
313 .type
= QEMU_OPT_STRING
,
314 .help
= "emulated machine"
317 .type
= QEMU_OPT_STRING
,
318 .help
= "accelerator list",
320 .name
= "kernel_irqchip",
321 .type
= QEMU_OPT_BOOL
,
322 .help
= "use KVM in-kernel irqchip",
324 .name
= "kvm_shadow_mem",
325 .type
= QEMU_OPT_SIZE
,
326 .help
= "KVM shadow MMU size",
329 .type
= QEMU_OPT_STRING
,
330 .help
= "Linux kernel image file",
333 .type
= QEMU_OPT_STRING
,
334 .help
= "Linux initial ramdisk file",
337 .type
= QEMU_OPT_STRING
,
338 .help
= "Linux kernel command line",
341 .type
= QEMU_OPT_STRING
,
342 .help
= "Linux kernel device tree file",
345 .type
= QEMU_OPT_STRING
,
346 .help
= "Dump current dtb to a file and quit",
348 .name
= "phandle_start",
349 .type
= QEMU_OPT_NUMBER
,
350 .help
= "The first phandle ID we may generate dynamically",
352 .name
= "dt_compatible",
353 .type
= QEMU_OPT_STRING
,
354 .help
= "Overrides the \"compatible\" property of the dt root node",
356 .name
= "dump-guest-core",
357 .type
= QEMU_OPT_BOOL
,
358 .help
= "Include guest memory in a core dump",
361 .type
= QEMU_OPT_BOOL
,
362 .help
= "enable/disable memory merge support",
365 .type
= QEMU_OPT_BOOL
,
366 .help
= "Set on/off to enable/disable usb",
369 .type
= QEMU_OPT_STRING
,
370 .help
= "firmware image",
373 .type
= QEMU_OPT_STRING
,
374 .help
= "Specifies the KVM virtualization mode (HV, PR)",
376 .name
= PC_MACHINE_MAX_RAM_BELOW_4G
,
377 .type
= QEMU_OPT_SIZE
,
378 .help
= "maximum ram below the 4G boundary (32bit boundary)",
380 .name
= PC_MACHINE_VMPORT
,
381 .type
= QEMU_OPT_BOOL
,
382 .help
= "Enable vmport (pc & q35)",
385 .type
= QEMU_OPT_BOOL
,
386 .help
= "Set on/off to enable/disable Intel IOMMU (VT-d)",
388 { /* End of list */ }
392 static QemuOptsList qemu_boot_opts
= {
394 .implied_opt_name
= "order",
396 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
400 .type
= QEMU_OPT_STRING
,
403 .type
= QEMU_OPT_STRING
,
406 .type
= QEMU_OPT_BOOL
,
409 .type
= QEMU_OPT_STRING
,
411 .name
= "splash-time",
412 .type
= QEMU_OPT_STRING
,
414 .name
= "reboot-timeout",
415 .type
= QEMU_OPT_STRING
,
418 .type
= QEMU_OPT_BOOL
,
424 static QemuOptsList qemu_add_fd_opts
= {
426 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
430 .type
= QEMU_OPT_NUMBER
,
431 .help
= "file descriptor of which a duplicate is added to fd set",
434 .type
= QEMU_OPT_NUMBER
,
435 .help
= "ID of the fd set to add fd to",
438 .type
= QEMU_OPT_STRING
,
439 .help
= "free-form string used to describe fd",
441 { /* end of list */ }
445 static QemuOptsList qemu_object_opts
= {
447 .implied_opt_name
= "qom-type",
448 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
454 static QemuOptsList qemu_tpmdev_opts
= {
456 .implied_opt_name
= "type",
457 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
459 /* options are defined in the TPM backends */
460 { /* end of list */ }
464 static QemuOptsList qemu_realtime_opts
= {
466 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
470 .type
= QEMU_OPT_BOOL
,
472 { /* end of list */ }
476 static QemuOptsList qemu_msg_opts
= {
478 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
482 .type
= QEMU_OPT_BOOL
,
484 { /* end of list */ }
488 static QemuOptsList qemu_name_opts
= {
490 .implied_opt_name
= "guest",
492 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
496 .type
= QEMU_OPT_STRING
,
497 .help
= "Sets the name of the guest.\n"
498 "This name will be displayed in the SDL window caption.\n"
499 "The name will also be used for the VNC server",
502 .type
= QEMU_OPT_STRING
,
503 .help
= "Sets the name of the QEMU process, as shown in top etc",
505 .name
= "debug-threads",
506 .type
= QEMU_OPT_BOOL
,
507 .help
= "When enabled, name the individual threads; defaults off.\n"
508 "NOTE: The thread names are for debugging and not a\n"
511 { /* End of list */ }
515 static QemuOptsList qemu_mem_opts
= {
517 .implied_opt_name
= "size",
518 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
523 .type
= QEMU_OPT_SIZE
,
527 .type
= QEMU_OPT_NUMBER
,
531 .type
= QEMU_OPT_SIZE
,
533 { /* end of list */ }
537 static QemuOptsList qemu_icount_opts
= {
539 .implied_opt_name
= "shift",
541 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
545 .type
= QEMU_OPT_STRING
,
548 .type
= QEMU_OPT_BOOL
,
550 { /* end of list */ }
555 * Get machine options
557 * Returns: machine options (never null).
559 QemuOpts
*qemu_get_machine_opts(void)
561 return qemu_find_opts_singleton("machine");
564 const char *qemu_get_vm_name(void)
569 static void res_free(void)
571 if (boot_splash_filedata
!= NULL
) {
572 g_free(boot_splash_filedata
);
573 boot_splash_filedata
= NULL
;
577 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
579 const char *driver
= qemu_opt_get(opts
, "driver");
584 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
585 if (strcmp(default_list
[i
].driver
, driver
) != 0)
587 *(default_list
[i
].flag
) = 0;
592 /***********************************************************/
595 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
597 /* We use RUN_STATE_MAX but any invalid value will do */
598 static RunState vmstop_requested
= RUN_STATE_MAX
;
599 static QemuMutex vmstop_lock
;
604 } RunStateTransition
;
606 static const RunStateTransition runstate_transitions_def
[] = {
608 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
609 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
612 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
614 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
615 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
617 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
618 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
621 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
624 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
627 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
628 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
630 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
631 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
633 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
635 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
636 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
637 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
638 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
639 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
640 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
641 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
642 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
643 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
644 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
646 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
648 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
649 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
651 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
652 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
653 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
654 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
656 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
657 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
659 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
660 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
662 { RUN_STATE_MAX
, RUN_STATE_MAX
},
665 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
667 bool runstate_check(RunState state
)
669 return current_run_state
== state
;
672 static void runstate_init(void)
674 const RunStateTransition
*p
;
676 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
677 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
678 runstate_valid_transitions
[p
->from
][p
->to
] = true;
681 qemu_mutex_init(&vmstop_lock
);
684 /* This function will abort() on invalid state transitions */
685 void runstate_set(RunState new_state
)
687 assert(new_state
< RUN_STATE_MAX
);
689 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
690 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
691 RunState_lookup
[current_run_state
],
692 RunState_lookup
[new_state
]);
695 trace_runstate_set(new_state
);
696 current_run_state
= new_state
;
699 int runstate_is_running(void)
701 return runstate_check(RUN_STATE_RUNNING
);
704 bool runstate_needs_reset(void)
706 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
707 runstate_check(RUN_STATE_SHUTDOWN
);
710 StatusInfo
*qmp_query_status(Error
**errp
)
712 StatusInfo
*info
= g_malloc0(sizeof(*info
));
714 info
->running
= runstate_is_running();
715 info
->singlestep
= singlestep
;
716 info
->status
= current_run_state
;
721 static bool qemu_vmstop_requested(RunState
*r
)
723 qemu_mutex_lock(&vmstop_lock
);
724 *r
= vmstop_requested
;
725 vmstop_requested
= RUN_STATE_MAX
;
726 qemu_mutex_unlock(&vmstop_lock
);
727 return *r
< RUN_STATE_MAX
;
730 void qemu_system_vmstop_request_prepare(void)
732 qemu_mutex_lock(&vmstop_lock
);
735 void qemu_system_vmstop_request(RunState state
)
737 vmstop_requested
= state
;
738 qemu_mutex_unlock(&vmstop_lock
);
746 qemu_vmstop_requested(&requested
);
747 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
751 /* Ensure that a STOP/RESUME pair of events is emitted if a
752 * vmstop request was pending. The BLOCK_IO_ERROR event, for
753 * example, according to documentation is always followed by
756 if (runstate_is_running()) {
757 qapi_event_send_stop(&error_abort
);
760 runstate_set(RUN_STATE_RUNNING
);
761 vm_state_notify(1, RUN_STATE_RUNNING
);
765 qapi_event_send_resume(&error_abort
);
769 /***********************************************************/
770 /* real time host monotonic timer */
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm
*tm
, int offset
)
780 if (rtc_date_offset
== -1) {
784 localtime_r(&ti
, tm
);
786 ti
-= rtc_date_offset
;
791 int qemu_timedate_diff(struct tm
*tm
)
795 if (rtc_date_offset
== -1)
797 seconds
= mktimegm(tm
);
800 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
801 seconds
= mktime(&tmp
);
804 seconds
= mktimegm(tm
) + rtc_date_offset
;
806 return seconds
- time(NULL
);
809 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
811 time_t rtc_start_date
;
814 if (!strcmp(startdate
, "now") && legacy
) {
815 rtc_date_offset
= -1;
817 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
825 } else if (sscanf(startdate
, "%d-%d-%d",
837 rtc_start_date
= mktimegm(&tm
);
838 if (rtc_start_date
== -1) {
840 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
844 rtc_date_offset
= time(NULL
) - rtc_start_date
;
848 static void configure_rtc(QemuOpts
*opts
)
852 value
= qemu_opt_get(opts
, "base");
854 if (!strcmp(value
, "utc")) {
856 } else if (!strcmp(value
, "localtime")) {
859 configure_rtc_date_offset(value
, 0);
862 value
= qemu_opt_get(opts
, "clock");
864 if (!strcmp(value
, "host")) {
865 rtc_clock
= QEMU_CLOCK_HOST
;
866 } else if (!strcmp(value
, "rt")) {
867 rtc_clock
= QEMU_CLOCK_REALTIME
;
868 } else if (!strcmp(value
, "vm")) {
869 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
871 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
875 value
= qemu_opt_get(opts
, "driftfix");
877 if (!strcmp(value
, "slew")) {
878 static GlobalProperty slew_lost_ticks
[] = {
880 .driver
= "mc146818rtc",
881 .property
= "lost_tick_policy",
884 { /* end of list */ }
887 qdev_prop_register_global_list(slew_lost_ticks
);
888 } else if (!strcmp(value
, "none")) {
889 /* discard is default */
891 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
897 /***********************************************************/
898 /* Bluetooth support */
901 static struct HCIInfo
*hci_table
[MAX_NICS
];
903 struct HCIInfo
*qemu_next_hci(void)
905 if (cur_hci
== nb_hcis
)
908 return hci_table
[cur_hci
++];
911 static int bt_hci_parse(const char *str
)
916 if (nb_hcis
>= MAX_NICS
) {
917 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
930 bdaddr
.b
[5] = 0x56 + nb_hcis
;
931 hci
->bdaddr_set(hci
, bdaddr
.b
);
933 hci_table
[nb_hcis
++] = hci
;
938 static void bt_vhci_add(int vlan_id
)
940 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
943 fprintf(stderr
, "qemu: warning: adding a VHCI to "
944 "an empty scatternet %i\n", vlan_id
);
946 bt_vhci_init(bt_new_hci(vlan
));
949 static struct bt_device_s
*bt_device_add(const char *opt
)
951 struct bt_scatternet_s
*vlan
;
953 char *endp
= strstr(opt
, ",vlan=");
954 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
957 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
960 vlan_id
= strtol(endp
+ 6, &endp
, 0);
962 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
967 vlan
= qemu_find_bt_vlan(vlan_id
);
970 fprintf(stderr
, "qemu: warning: adding a slave device to "
971 "an empty scatternet %i\n", vlan_id
);
973 if (!strcmp(devname
, "keyboard"))
974 return bt_keyboard_init(vlan
);
976 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
980 static int bt_parse(const char *opt
)
982 const char *endp
, *p
;
985 if (strstart(opt
, "hci", &endp
)) {
986 if (!*endp
|| *endp
== ',') {
988 if (!strstart(endp
, ",vlan=", 0))
991 return bt_hci_parse(opt
);
993 } else if (strstart(opt
, "vhci", &endp
)) {
994 if (!*endp
|| *endp
== ',') {
996 if (strstart(endp
, ",vlan=", &p
)) {
997 vlan
= strtol(p
, (char **) &endp
, 0);
999 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
1003 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
1012 } else if (strstart(opt
, "device:", &endp
))
1013 return !bt_device_add(endp
);
1015 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1019 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts
, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1026 "failed to install seccomp syscall filter in the kernel");
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1031 "sandboxing request but seccomp is not compiled into this build");
1039 static int parse_name(QemuOpts
*opts
, void *opaque
)
1041 const char *proc_name
;
1043 if (qemu_opt_get(opts
, "debug-threads")) {
1044 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1046 qemu_name
= qemu_opt_get(opts
, "guest");
1048 proc_name
= qemu_opt_get(opts
, "process");
1050 os_set_proc_name(proc_name
);
1056 bool usb_enabled(bool default_usb
)
1058 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1059 has_defaults
&& default_usb
);
1063 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1065 int fd
, dupfd
, flags
;
1067 const char *fd_opaque
= NULL
;
1069 fd
= qemu_opt_get_number(opts
, "fd", -1);
1070 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1071 fd_opaque
= qemu_opt_get(opts
, "opaque");
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1075 "fd option is required and must be non-negative");
1079 if (fd
<= STDERR_FILENO
) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1081 "fd cannot be a standard I/O stream");
1086 * All fds inherited across exec() necessarily have FD_CLOEXEC
1087 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1089 flags
= fcntl(fd
, F_GETFD
);
1090 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1092 "fd is not valid or already in use");
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1098 "set option is required and must be non-negative");
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1107 qemu_set_cloexec(dupfd
);
1111 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1112 "Error duplicating fd: %s", strerror(errno
));
1116 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1117 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1123 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1127 fd
= qemu_opt_get_number(opts
, "fd", -1);
1134 /***********************************************************/
1135 /* QEMU Block devices */
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1140 #define PFLASH_OPTS ""
1144 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1146 BlockInterfaceType
*block_default_type
= opaque
;
1148 return drive_new(opts
, *block_default_type
) == NULL
;
1151 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1153 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1154 qemu_opt_set(opts
, "snapshot", "on");
1159 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1160 int index
, const char *optstr
)
1165 if (!enable
|| drive_get_by_index(type
, index
)) {
1169 opts
= drive_add(type
, index
, NULL
, optstr
);
1171 drive_enable_snapshot(opts
, NULL
);
1174 dinfo
= drive_new(opts
, type
);
1178 dinfo
->is_default
= true;
1182 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1184 boot_set_handler
= func
;
1185 boot_set_opaque
= opaque
;
1188 int qemu_boot_set(const char *boot_order
)
1190 if (!boot_set_handler
) {
1193 return boot_set_handler(boot_set_opaque
, boot_order
);
1196 static void validate_bootdevices(const char *devices
)
1198 /* We just do some generic consistency checks */
1202 for (p
= devices
; *p
!= '\0'; p
++) {
1203 /* Allowed boot devices are:
1204 * a-b: floppy disk drives
1205 * c-f: IDE disk drives
1206 * g-m: machine implementation dependent drives
1207 * n-p: network devices
1208 * It's up to each machine implementation to check if the given boot
1209 * devices match the actual hardware implementation and firmware
1212 if (*p
< 'a' || *p
> 'p') {
1213 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1216 if (bitmap
& (1 << (*p
- 'a'))) {
1217 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1220 bitmap
|= 1 << (*p
- 'a');
1224 static void restore_boot_order(void *opaque
)
1226 char *normal_boot_order
= opaque
;
1227 static int first
= 1;
1229 /* Restore boot order and remove ourselves after the first boot */
1235 qemu_boot_set(normal_boot_order
);
1237 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1238 g_free(normal_boot_order
);
1241 static QemuOptsList qemu_smp_opts
= {
1243 .implied_opt_name
= "cpus",
1244 .merge_lists
= true,
1245 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1249 .type
= QEMU_OPT_NUMBER
,
1252 .type
= QEMU_OPT_NUMBER
,
1255 .type
= QEMU_OPT_NUMBER
,
1258 .type
= QEMU_OPT_NUMBER
,
1261 .type
= QEMU_OPT_NUMBER
,
1263 { /*End of list */ }
1267 static void smp_parse(QemuOpts
*opts
)
1271 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1272 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1273 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1274 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1276 /* compute missing values, prefer sockets over cores over threads */
1277 if (cpus
== 0 || sockets
== 0) {
1278 sockets
= sockets
> 0 ? sockets
: 1;
1279 cores
= cores
> 0 ? cores
: 1;
1280 threads
= threads
> 0 ? threads
: 1;
1282 cpus
= cores
* threads
* sockets
;
1286 threads
= threads
> 0 ? threads
: 1;
1287 cores
= cpus
/ (sockets
* threads
);
1289 threads
= cpus
/ (cores
* sockets
);
1293 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1296 smp_cores
= cores
> 0 ? cores
: 1;
1297 smp_threads
= threads
> 0 ? threads
: 1;
1301 if (max_cpus
== 0) {
1302 max_cpus
= smp_cpus
;
1305 if (max_cpus
> MAX_CPUMASK_BITS
) {
1306 fprintf(stderr
, "Unsupported number of maxcpus\n");
1309 if (max_cpus
< smp_cpus
) {
1310 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1316 static void realtime_init(void)
1319 if (os_mlock() < 0) {
1320 fprintf(stderr
, "qemu: locking memory failed\n");
1327 static void configure_msg(QemuOpts
*opts
)
1329 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1332 /***********************************************************/
1335 static int usb_device_add(const char *devname
)
1337 USBDevice
*dev
= NULL
;
1338 #ifndef CONFIG_LINUX
1342 if (!usb_enabled(false)) {
1346 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1347 dev
= usbdevice_create(devname
);
1351 /* the other ones */
1352 #ifndef CONFIG_LINUX
1353 /* only the linux version is qdev-ified, usb-bsd still needs this */
1354 if (strstart(devname
, "host:", &p
)) {
1355 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1365 static int usb_device_del(const char *devname
)
1370 if (strstart(devname
, "host:", &p
)) {
1374 if (!usb_enabled(false)) {
1378 p
= strchr(devname
, '.');
1381 bus_num
= strtoul(devname
, NULL
, 0);
1382 addr
= strtoul(p
+ 1, NULL
, 0);
1384 return usb_device_delete_addr(bus_num
, addr
);
1387 static int usb_parse(const char *cmdline
)
1390 r
= usb_device_add(cmdline
);
1392 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1397 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1399 const char *devname
= qdict_get_str(qdict
, "devname");
1400 if (usb_device_add(devname
) < 0) {
1401 error_report("could not add USB device '%s'", devname
);
1405 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1407 const char *devname
= qdict_get_str(qdict
, "devname");
1408 if (usb_device_del(devname
) < 0) {
1409 error_report("could not delete USB device '%s'", devname
);
1413 /***********************************************************/
1414 /* machine registration */
1416 MachineState
*current_machine
;
1418 static void machine_class_init(ObjectClass
*oc
, void *data
)
1420 MachineClass
*mc
= MACHINE_CLASS(oc
);
1421 QEMUMachine
*qm
= data
;
1423 mc
->name
= qm
->name
;
1424 mc
->alias
= qm
->alias
;
1425 mc
->desc
= qm
->desc
;
1426 mc
->init
= qm
->init
;
1427 mc
->reset
= qm
->reset
;
1428 mc
->hot_add_cpu
= qm
->hot_add_cpu
;
1429 mc
->kvm_type
= qm
->kvm_type
;
1430 mc
->block_default_type
= qm
->block_default_type
;
1431 mc
->units_per_default_bus
= qm
->units_per_default_bus
;
1432 mc
->max_cpus
= qm
->max_cpus
;
1433 mc
->no_serial
= qm
->no_serial
;
1434 mc
->no_parallel
= qm
->no_parallel
;
1435 mc
->use_virtcon
= qm
->use_virtcon
;
1436 mc
->use_sclp
= qm
->use_sclp
;
1437 mc
->no_floppy
= qm
->no_floppy
;
1438 mc
->no_cdrom
= qm
->no_cdrom
;
1439 mc
->no_sdcard
= qm
->no_sdcard
;
1440 mc
->is_default
= qm
->is_default
;
1441 mc
->default_machine_opts
= qm
->default_machine_opts
;
1442 mc
->default_boot_order
= qm
->default_boot_order
;
1443 mc
->compat_props
= qm
->compat_props
;
1444 mc
->hw_version
= qm
->hw_version
;
1447 int qemu_register_machine(QEMUMachine
*m
)
1449 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1452 .parent
= TYPE_MACHINE
,
1453 .class_init
= machine_class_init
,
1454 .class_data
= (void *)m
,
1463 static MachineClass
*find_machine(const char *name
)
1465 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1466 MachineClass
*mc
= NULL
;
1468 for (el
= machines
; el
; el
= el
->next
) {
1469 MachineClass
*temp
= el
->data
;
1471 if (!strcmp(temp
->name
, name
)) {
1476 !strcmp(temp
->alias
, name
)) {
1482 g_slist_free(machines
);
1486 MachineClass
*find_default_machine(void)
1488 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1489 MachineClass
*mc
= NULL
;
1491 for (el
= machines
; el
; el
= el
->next
) {
1492 MachineClass
*temp
= el
->data
;
1494 if (temp
->is_default
) {
1500 g_slist_free(machines
);
1504 MachineInfoList
*qmp_query_machines(Error
**errp
)
1506 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1507 MachineInfoList
*mach_list
= NULL
;
1509 for (el
= machines
; el
; el
= el
->next
) {
1510 MachineClass
*mc
= el
->data
;
1511 MachineInfoList
*entry
;
1514 info
= g_malloc0(sizeof(*info
));
1515 if (mc
->is_default
) {
1516 info
->has_is_default
= true;
1517 info
->is_default
= true;
1521 info
->has_alias
= true;
1522 info
->alias
= g_strdup(mc
->alias
);
1525 info
->name
= g_strdup(mc
->name
);
1526 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1528 entry
= g_malloc0(sizeof(*entry
));
1529 entry
->value
= info
;
1530 entry
->next
= mach_list
;
1534 g_slist_free(machines
);
1538 /***********************************************************/
1539 /* main execution loop */
1541 struct vm_change_state_entry
{
1542 VMChangeStateHandler
*cb
;
1544 QLIST_ENTRY (vm_change_state_entry
) entries
;
1547 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1549 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1552 VMChangeStateEntry
*e
;
1554 e
= g_malloc0(sizeof (*e
));
1558 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1562 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1564 QLIST_REMOVE (e
, entries
);
1568 void vm_state_notify(int running
, RunState state
)
1570 VMChangeStateEntry
*e
, *next
;
1572 trace_vm_state_notify(running
, state
);
1574 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1575 e
->cb(e
->opaque
, running
, state
);
1579 /* reset/shutdown handler */
1581 typedef struct QEMUResetEntry
{
1582 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1583 QEMUResetHandler
*func
;
1587 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1588 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1589 static int reset_requested
;
1590 static int shutdown_requested
, shutdown_signal
= -1;
1591 static pid_t shutdown_pid
;
1592 static int powerdown_requested
;
1593 static int debug_requested
;
1594 static int suspend_requested
;
1595 static WakeupReason wakeup_reason
;
1596 static NotifierList powerdown_notifiers
=
1597 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1598 static NotifierList suspend_notifiers
=
1599 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1600 static NotifierList wakeup_notifiers
=
1601 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1602 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1604 int qemu_shutdown_requested_get(void)
1606 return shutdown_requested
;
1609 int qemu_reset_requested_get(void)
1611 return reset_requested
;
1614 static int qemu_shutdown_requested(void)
1616 return atomic_xchg(&shutdown_requested
, 0);
1619 static void qemu_kill_report(void)
1621 if (!qtest_driver() && shutdown_signal
!= -1) {
1622 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1623 if (shutdown_pid
== 0) {
1624 /* This happens for eg ^C at the terminal, so it's worth
1625 * avoiding printing an odd message in that case.
1627 fputc('\n', stderr
);
1629 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1631 shutdown_signal
= -1;
1635 static int qemu_reset_requested(void)
1637 int r
= reset_requested
;
1638 reset_requested
= 0;
1642 static int qemu_suspend_requested(void)
1644 int r
= suspend_requested
;
1645 suspend_requested
= 0;
1649 static WakeupReason
qemu_wakeup_requested(void)
1651 return wakeup_reason
;
1654 static int qemu_powerdown_requested(void)
1656 int r
= powerdown_requested
;
1657 powerdown_requested
= 0;
1661 static int qemu_debug_requested(void)
1663 int r
= debug_requested
;
1664 debug_requested
= 0;
1668 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1670 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1673 re
->opaque
= opaque
;
1674 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1677 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1681 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1682 if (re
->func
== func
&& re
->opaque
== opaque
) {
1683 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1690 void qemu_devices_reset(void)
1692 QEMUResetEntry
*re
, *nre
;
1694 /* reset all devices */
1695 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1696 re
->func(re
->opaque
);
1700 void qemu_system_reset(bool report
)
1704 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1706 if (mc
&& mc
->reset
) {
1709 qemu_devices_reset();
1712 qapi_event_send_reset(&error_abort
);
1714 cpu_synchronize_all_post_reset();
1717 void qemu_system_reset_request(void)
1720 shutdown_requested
= 1;
1722 reset_requested
= 1;
1725 qemu_notify_event();
1728 static void qemu_system_suspend(void)
1731 notifier_list_notify(&suspend_notifiers
, NULL
);
1732 runstate_set(RUN_STATE_SUSPENDED
);
1733 qapi_event_send_suspend(&error_abort
);
1736 void qemu_system_suspend_request(void)
1738 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1741 suspend_requested
= 1;
1743 qemu_notify_event();
1746 void qemu_register_suspend_notifier(Notifier
*notifier
)
1748 notifier_list_add(&suspend_notifiers
, notifier
);
1751 void qemu_system_wakeup_request(WakeupReason reason
)
1753 trace_system_wakeup_request(reason
);
1755 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1758 if (!(wakeup_reason_mask
& (1 << reason
))) {
1761 runstate_set(RUN_STATE_RUNNING
);
1762 wakeup_reason
= reason
;
1763 qemu_notify_event();
1766 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1769 wakeup_reason_mask
|= (1 << reason
);
1771 wakeup_reason_mask
&= ~(1 << reason
);
1775 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1777 notifier_list_add(&wakeup_notifiers
, notifier
);
1780 void qemu_system_killed(int signal
, pid_t pid
)
1782 shutdown_signal
= signal
;
1785 qemu_system_shutdown_request();
1788 void qemu_system_shutdown_request(void)
1790 trace_qemu_system_shutdown_request();
1791 shutdown_requested
= 1;
1792 qemu_notify_event();
1795 static void qemu_system_powerdown(void)
1797 qapi_event_send_powerdown(&error_abort
);
1798 notifier_list_notify(&powerdown_notifiers
, NULL
);
1801 void qemu_system_powerdown_request(void)
1803 trace_qemu_system_powerdown_request();
1804 powerdown_requested
= 1;
1805 qemu_notify_event();
1808 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1810 notifier_list_add(&powerdown_notifiers
, notifier
);
1813 void qemu_system_debug_request(void)
1815 debug_requested
= 1;
1816 qemu_notify_event();
1819 static bool main_loop_should_exit(void)
1822 if (qemu_debug_requested()) {
1823 vm_stop(RUN_STATE_DEBUG
);
1825 if (qemu_suspend_requested()) {
1826 qemu_system_suspend();
1828 if (qemu_shutdown_requested()) {
1830 qapi_event_send_shutdown(&error_abort
);
1832 vm_stop(RUN_STATE_SHUTDOWN
);
1837 if (qemu_reset_requested()) {
1839 cpu_synchronize_all_states();
1840 qemu_system_reset(VMRESET_REPORT
);
1842 if (runstate_needs_reset()) {
1843 runstate_set(RUN_STATE_PAUSED
);
1846 if (qemu_wakeup_requested()) {
1848 cpu_synchronize_all_states();
1849 qemu_system_reset(VMRESET_SILENT
);
1850 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1851 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1853 qapi_event_send_wakeup(&error_abort
);
1855 if (qemu_powerdown_requested()) {
1856 qemu_system_powerdown();
1858 if (qemu_vmstop_requested(&r
)) {
1864 static void main_loop(void)
1868 #ifdef CONFIG_PROFILER
1872 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1873 #ifdef CONFIG_PROFILER
1874 ti
= profile_getclock();
1876 last_io
= main_loop_wait(nonblocking
);
1877 #ifdef CONFIG_PROFILER
1878 dev_time
+= profile_getclock() - ti
;
1880 } while (!main_loop_should_exit());
1883 static void version(void)
1885 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1888 static void help(int exitcode
)
1891 printf("usage: %s [options] [disk_image]\n\n"
1892 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1893 error_get_progname());
1895 #define QEMU_OPTIONS_GENERATE_HELP
1896 #include "qemu-options-wrapper.h"
1898 printf("\nDuring emulation, the following keys are useful:\n"
1899 "ctrl-alt-f toggle full screen\n"
1900 "ctrl-alt-n switch to virtual console 'n'\n"
1901 "ctrl-alt toggle mouse and keyboard grab\n"
1903 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1908 #define HAS_ARG 0x0001
1910 typedef struct QEMUOption
{
1917 static const QEMUOption qemu_options
[] = {
1918 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1919 #define QEMU_OPTIONS_GENERATE_OPTIONS
1920 #include "qemu-options-wrapper.h"
1924 static bool vga_available(void)
1926 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1929 static bool cirrus_vga_available(void)
1931 return object_class_by_name("cirrus-vga")
1932 || object_class_by_name("isa-cirrus-vga");
1935 static bool vmware_vga_available(void)
1937 return object_class_by_name("vmware-svga");
1940 static bool qxl_vga_available(void)
1942 return object_class_by_name("qxl-vga");
1945 static bool tcx_vga_available(void)
1947 return object_class_by_name("SUNW,tcx");
1950 static bool cg3_vga_available(void)
1952 return object_class_by_name("cgthree");
1955 static void select_vgahw (const char *p
)
1959 assert(vga_interface_type
== VGA_NONE
);
1960 if (strstart(p
, "std", &opts
)) {
1961 if (vga_available()) {
1962 vga_interface_type
= VGA_STD
;
1964 fprintf(stderr
, "Error: standard VGA not available\n");
1967 } else if (strstart(p
, "cirrus", &opts
)) {
1968 if (cirrus_vga_available()) {
1969 vga_interface_type
= VGA_CIRRUS
;
1971 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1974 } else if (strstart(p
, "vmware", &opts
)) {
1975 if (vmware_vga_available()) {
1976 vga_interface_type
= VGA_VMWARE
;
1978 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1981 } else if (strstart(p
, "xenfb", &opts
)) {
1982 vga_interface_type
= VGA_XENFB
;
1983 } else if (strstart(p
, "qxl", &opts
)) {
1984 if (qxl_vga_available()) {
1985 vga_interface_type
= VGA_QXL
;
1987 fprintf(stderr
, "Error: QXL VGA not available\n");
1990 } else if (strstart(p
, "tcx", &opts
)) {
1991 if (tcx_vga_available()) {
1992 vga_interface_type
= VGA_TCX
;
1994 fprintf(stderr
, "Error: TCX framebuffer not available\n");
1997 } else if (strstart(p
, "cg3", &opts
)) {
1998 if (cg3_vga_available()) {
1999 vga_interface_type
= VGA_CG3
;
2001 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2004 } else if (!strstart(p
, "none", &opts
)) {
2006 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2010 const char *nextopt
;
2012 if (strstart(opts
, ",retrace=", &nextopt
)) {
2014 if (strstart(opts
, "dumb", &nextopt
))
2015 vga_retrace_method
= VGA_RETRACE_DUMB
;
2016 else if (strstart(opts
, "precise", &nextopt
))
2017 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2018 else goto invalid_vga
;
2019 } else goto invalid_vga
;
2024 static DisplayType
select_display(const char *p
)
2027 DisplayType display
= DT_DEFAULT
;
2029 if (strstart(p
, "sdl", &opts
)) {
2033 const char *nextopt
;
2035 if (strstart(opts
, ",frame=", &nextopt
)) {
2037 if (strstart(opts
, "on", &nextopt
)) {
2039 } else if (strstart(opts
, "off", &nextopt
)) {
2042 goto invalid_sdl_args
;
2044 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2046 if (strstart(opts
, "on", &nextopt
)) {
2048 } else if (strstart(opts
, "off", &nextopt
)) {
2051 goto invalid_sdl_args
;
2053 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2055 if (strstart(opts
, "on", &nextopt
)) {
2057 } else if (strstart(opts
, "off", &nextopt
)) {
2060 goto invalid_sdl_args
;
2062 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2064 if (strstart(opts
, "on", &nextopt
)) {
2066 } else if (strstart(opts
, "off", &nextopt
)) {
2069 goto invalid_sdl_args
;
2073 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2079 fprintf(stderr
, "SDL support is disabled\n");
2082 } else if (strstart(p
, "vnc", &opts
)) {
2087 const char *nextopt
;
2089 if (strstart(opts
, "=", &nextopt
)) {
2090 vnc_display
= nextopt
;
2094 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2098 fprintf(stderr
, "VNC support is disabled\n");
2101 } else if (strstart(p
, "curses", &opts
)) {
2102 #ifdef CONFIG_CURSES
2103 display
= DT_CURSES
;
2105 fprintf(stderr
, "Curses support is disabled\n");
2108 } else if (strstart(p
, "gtk", &opts
)) {
2112 const char *nextopt
;
2114 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2116 if (strstart(opts
, "on", &nextopt
)) {
2117 grab_on_hover
= true;
2118 } else if (strstart(opts
, "off", &nextopt
)) {
2119 grab_on_hover
= false;
2121 goto invalid_gtk_args
;
2125 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2131 fprintf(stderr
, "GTK support is disabled\n");
2134 } else if (strstart(p
, "none", &opts
)) {
2137 fprintf(stderr
, "Unknown display type: %s\n", p
);
2144 static int balloon_parse(const char *arg
)
2148 if (strcmp(arg
, "none") == 0) {
2152 if (!strncmp(arg
, "virtio", 6)) {
2153 if (arg
[6] == ',') {
2154 /* have params -> parse them */
2155 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2159 /* create empty opts */
2160 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2163 qemu_opt_set(opts
, "driver", "virtio-balloon");
2170 char *qemu_find_file(int type
, const char *name
)
2176 /* Try the name as a straight path first */
2177 if (access(name
, R_OK
) == 0) {
2178 trace_load_file(name
, name
);
2179 return g_strdup(name
);
2183 case QEMU_FILE_TYPE_BIOS
:
2186 case QEMU_FILE_TYPE_KEYMAP
:
2187 subdir
= "keymaps/";
2193 for (i
= 0; i
< data_dir_idx
; i
++) {
2194 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2195 if (access(buf
, R_OK
) == 0) {
2196 trace_load_file(name
, buf
);
2204 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2206 return qdev_device_help(opts
);
2209 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2213 dev
= qdev_device_add(opts
);
2216 object_unref(OBJECT(dev
));
2220 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2222 Error
*local_err
= NULL
;
2224 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2226 error_report("%s", error_get_pretty(local_err
));
2227 error_free(local_err
);
2233 #ifdef CONFIG_VIRTFS
2234 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2237 ret
= qemu_fsdev_add(opts
);
2243 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2245 CharDriverState
*chr
;
2246 const char *chardev
;
2250 mode
= qemu_opt_get(opts
, "mode");
2254 if (strcmp(mode
, "readline") == 0) {
2255 flags
= MONITOR_USE_READLINE
;
2256 } else if (strcmp(mode
, "control") == 0) {
2257 flags
= MONITOR_USE_CONTROL
;
2259 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2263 if (qemu_opt_get_bool(opts
, "pretty", 0))
2264 flags
|= MONITOR_USE_PRETTY
;
2266 if (qemu_opt_get_bool(opts
, "default", 0))
2267 flags
|= MONITOR_IS_DEFAULT
;
2269 chardev
= qemu_opt_get(opts
, "chardev");
2270 chr
= qemu_chr_find(chardev
);
2272 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2276 qemu_chr_fe_claim_no_fail(chr
);
2277 monitor_init(chr
, flags
);
2281 static void monitor_parse(const char *optarg
, const char *mode
)
2283 static int monitor_device_index
= 0;
2289 if (strstart(optarg
, "chardev:", &p
)) {
2290 snprintf(label
, sizeof(label
), "%s", p
);
2292 snprintf(label
, sizeof(label
), "compat_monitor%d",
2293 monitor_device_index
);
2294 if (monitor_device_index
== 0) {
2297 opts
= qemu_chr_parse_compat(label
, optarg
);
2299 fprintf(stderr
, "parse error: %s\n", optarg
);
2304 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2306 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2309 qemu_opt_set(opts
, "mode", mode
);
2310 qemu_opt_set(opts
, "chardev", label
);
2312 qemu_opt_set(opts
, "default", "on");
2313 monitor_device_index
++;
2316 struct device_config
{
2318 DEV_USB
, /* -usbdevice */
2320 DEV_SERIAL
, /* -serial */
2321 DEV_PARALLEL
, /* -parallel */
2322 DEV_VIRTCON
, /* -virtioconsole */
2323 DEV_DEBUGCON
, /* -debugcon */
2324 DEV_GDB
, /* -gdb, -s */
2325 DEV_SCLP
, /* s390 sclp */
2327 const char *cmdline
;
2329 QTAILQ_ENTRY(device_config
) next
;
2332 static QTAILQ_HEAD(, device_config
) device_configs
=
2333 QTAILQ_HEAD_INITIALIZER(device_configs
);
2335 static void add_device_config(int type
, const char *cmdline
)
2337 struct device_config
*conf
;
2339 conf
= g_malloc0(sizeof(*conf
));
2341 conf
->cmdline
= cmdline
;
2342 loc_save(&conf
->loc
);
2343 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2346 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2348 struct device_config
*conf
;
2351 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2352 if (conf
->type
!= type
)
2354 loc_push_restore(&conf
->loc
);
2355 rc
= func(conf
->cmdline
);
2356 loc_pop(&conf
->loc
);
2364 static int serial_parse(const char *devname
)
2366 static int index
= 0;
2369 if (strcmp(devname
, "none") == 0)
2371 if (index
== MAX_SERIAL_PORTS
) {
2372 fprintf(stderr
, "qemu: too many serial ports\n");
2375 snprintf(label
, sizeof(label
), "serial%d", index
);
2376 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2377 if (!serial_hds
[index
]) {
2378 fprintf(stderr
, "qemu: could not connect serial device"
2379 " to character backend '%s'\n", devname
);
2386 static int parallel_parse(const char *devname
)
2388 static int index
= 0;
2391 if (strcmp(devname
, "none") == 0)
2393 if (index
== MAX_PARALLEL_PORTS
) {
2394 fprintf(stderr
, "qemu: too many parallel ports\n");
2397 snprintf(label
, sizeof(label
), "parallel%d", index
);
2398 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2399 if (!parallel_hds
[index
]) {
2400 fprintf(stderr
, "qemu: could not connect parallel device"
2401 " to character backend '%s'\n", devname
);
2408 static int virtcon_parse(const char *devname
)
2410 QemuOptsList
*device
= qemu_find_opts("device");
2411 static int index
= 0;
2413 QemuOpts
*bus_opts
, *dev_opts
;
2415 if (strcmp(devname
, "none") == 0)
2417 if (index
== MAX_VIRTIO_CONSOLES
) {
2418 fprintf(stderr
, "qemu: too many virtio consoles\n");
2422 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2423 if (arch_type
== QEMU_ARCH_S390X
) {
2424 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2426 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2429 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2430 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2432 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2433 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2434 if (!virtcon_hds
[index
]) {
2435 fprintf(stderr
, "qemu: could not connect virtio console"
2436 " to character backend '%s'\n", devname
);
2439 qemu_opt_set(dev_opts
, "chardev", label
);
2445 static int sclp_parse(const char *devname
)
2447 QemuOptsList
*device
= qemu_find_opts("device");
2448 static int index
= 0;
2452 if (strcmp(devname
, "none") == 0) {
2455 if (index
== MAX_SCLP_CONSOLES
) {
2456 fprintf(stderr
, "qemu: too many sclp consoles\n");
2460 assert(arch_type
== QEMU_ARCH_S390X
);
2462 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2463 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2465 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2466 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2467 if (!sclp_hds
[index
]) {
2468 fprintf(stderr
, "qemu: could not connect sclp console"
2469 " to character backend '%s'\n", devname
);
2472 qemu_opt_set(dev_opts
, "chardev", label
);
2478 static int debugcon_parse(const char *devname
)
2482 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2485 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2487 fprintf(stderr
, "qemu: already have a debugcon device\n");
2490 qemu_opt_set(opts
, "driver", "isa-debugcon");
2491 qemu_opt_set(opts
, "chardev", "debugcon");
2495 static MachineClass
*machine_parse(const char *name
)
2497 MachineClass
*mc
= NULL
;
2498 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2501 mc
= find_machine(name
);
2506 if (name
&& !is_help_option(name
)) {
2507 error_report("Unsupported machine type");
2508 error_printf("Use -machine help to list supported machines!\n");
2510 printf("Supported machines are:\n");
2511 for (el
= machines
; el
; el
= el
->next
) {
2512 MachineClass
*mc
= el
->data
;
2514 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2516 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2517 mc
->is_default
? " (default)" : "");
2521 g_slist_free(machines
);
2522 exit(!name
|| !is_help_option(name
));
2525 void qemu_add_exit_notifier(Notifier
*notify
)
2527 notifier_list_add(&exit_notifiers
, notify
);
2530 void qemu_remove_exit_notifier(Notifier
*notify
)
2532 notifier_remove(notify
);
2535 static void qemu_run_exit_notifiers(void)
2537 notifier_list_notify(&exit_notifiers
, NULL
);
2540 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2542 notifier_list_add(&machine_init_done_notifiers
, notify
);
2545 static void qemu_run_machine_init_done_notifiers(void)
2547 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2550 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2551 const char **poptarg
, int *poptind
)
2553 const QEMUOption
*popt
;
2554 int optind
= *poptind
;
2555 char *r
= argv
[optind
];
2558 loc_set_cmdline(argv
, optind
, 1);
2560 /* Treat --foo the same as -foo. */
2563 popt
= qemu_options
;
2566 error_report("invalid option");
2569 if (!strcmp(popt
->name
, r
+ 1))
2573 if (popt
->flags
& HAS_ARG
) {
2574 if (optind
>= argc
) {
2575 error_report("requires an argument");
2578 optarg
= argv
[optind
++];
2579 loc_set_cmdline(argv
, optind
- 2, 2);
2590 static gpointer
malloc_and_trace(gsize n_bytes
)
2592 void *ptr
= malloc(n_bytes
);
2593 trace_g_malloc(n_bytes
, ptr
);
2597 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2599 void *ptr
= realloc(mem
, n_bytes
);
2600 trace_g_realloc(mem
, n_bytes
, ptr
);
2604 static void free_and_trace(gpointer mem
)
2610 static int machine_set_property(const char *name
, const char *value
,
2613 Object
*obj
= OBJECT(opaque
);
2614 StringInputVisitor
*siv
;
2615 Error
*local_err
= NULL
;
2618 if (strcmp(name
, "type") == 0) {
2622 qom_name
= g_strdup(name
);
2630 siv
= string_input_visitor_new(value
);
2631 object_property_set(obj
, string_input_get_visitor(siv
), qom_name
, &local_err
);
2632 string_input_visitor_cleanup(siv
);
2636 qerror_report_err(local_err
);
2637 error_free(local_err
);
2644 static int object_create(QemuOpts
*opts
, void *opaque
)
2653 ov
= opts_visitor_new(opts
);
2654 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2656 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2661 qdict_del(pdict
, "qom-type");
2662 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2667 qdict_del(pdict
, "id");
2668 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2673 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2677 visit_end_struct(opts_get_visitor(ov
), &err
);
2679 qmp_object_del(id
, NULL
);
2683 opts_visitor_cleanup(ov
);
2690 qerror_report_err(err
);
2697 int main(int argc
, char **argv
, char **envp
)
2700 int snapshot
, linux_boot
;
2701 const char *initrd_filename
;
2702 const char *kernel_filename
, *kernel_cmdline
;
2703 const char *boot_order
;
2705 int cyls
, heads
, secs
, translation
;
2706 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2707 QemuOptsList
*olist
;
2710 const char *loadvm
= NULL
;
2711 MachineClass
*machine_class
;
2712 const char *cpu_model
;
2713 const char *vga_model
= NULL
;
2714 const char *qtest_chrdev
= NULL
;
2715 const char *qtest_log
= NULL
;
2716 const char *pid_file
= NULL
;
2717 const char *incoming
= NULL
;
2719 int show_vnc_port
= 0;
2721 bool defconfig
= true;
2722 bool userconfig
= true;
2723 const char *log_mask
= NULL
;
2724 const char *log_file
= NULL
;
2725 GMemVTable mem_trace
= {
2726 .malloc
= malloc_and_trace
,
2727 .realloc
= realloc_and_trace
,
2728 .free
= free_and_trace
,
2730 const char *trace_events
= NULL
;
2731 const char *trace_file
= NULL
;
2732 const ram_addr_t default_ram_size
= (ram_addr_t
)DEFAULT_RAM_SIZE
*
2734 ram_addr_t maxram_size
= default_ram_size
;
2735 uint64_t ram_slots
= 0;
2736 FILE *vmstate_dump_file
= NULL
;
2737 Error
*main_loop_err
= NULL
;
2739 atexit(qemu_run_exit_notifiers
);
2740 error_set_progname(argv
[0]);
2741 qemu_init_exec_dir(argv
[0]);
2743 g_mem_set_vtable(&mem_trace
);
2745 module_call_init(MODULE_INIT_QOM
);
2747 qemu_add_opts(&qemu_drive_opts
);
2748 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2749 qemu_add_drive_opts(&qemu_common_drive_opts
);
2750 qemu_add_drive_opts(&qemu_drive_opts
);
2751 qemu_add_opts(&qemu_chardev_opts
);
2752 qemu_add_opts(&qemu_device_opts
);
2753 qemu_add_opts(&qemu_netdev_opts
);
2754 qemu_add_opts(&qemu_net_opts
);
2755 qemu_add_opts(&qemu_rtc_opts
);
2756 qemu_add_opts(&qemu_global_opts
);
2757 qemu_add_opts(&qemu_mon_opts
);
2758 qemu_add_opts(&qemu_trace_opts
);
2759 qemu_add_opts(&qemu_option_rom_opts
);
2760 qemu_add_opts(&qemu_machine_opts
);
2761 qemu_add_opts(&qemu_mem_opts
);
2762 qemu_add_opts(&qemu_smp_opts
);
2763 qemu_add_opts(&qemu_boot_opts
);
2764 qemu_add_opts(&qemu_sandbox_opts
);
2765 qemu_add_opts(&qemu_add_fd_opts
);
2766 qemu_add_opts(&qemu_object_opts
);
2767 qemu_add_opts(&qemu_tpmdev_opts
);
2768 qemu_add_opts(&qemu_realtime_opts
);
2769 qemu_add_opts(&qemu_msg_opts
);
2770 qemu_add_opts(&qemu_name_opts
);
2771 qemu_add_opts(&qemu_numa_opts
);
2772 qemu_add_opts(&qemu_icount_opts
);
2776 rtc_clock
= QEMU_CLOCK_HOST
;
2778 QLIST_INIT (&vm_change_state_head
);
2779 os_setup_early_signal_handling();
2781 module_call_init(MODULE_INIT_MACHINE
);
2782 machine_class
= find_default_machine();
2784 ram_size
= default_ram_size
;
2786 cyls
= heads
= secs
= 0;
2787 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2789 for (i
= 0; i
< MAX_NODES
; i
++) {
2790 numa_info
[i
].node_mem
= 0;
2791 numa_info
[i
].present
= false;
2792 bitmap_zero(numa_info
[i
].node_cpu
, MAX_CPUMASK_BITS
);
2796 max_numa_nodeid
= 0;
2799 bdrv_init_with_whitelist();
2803 /* first pass of option parsing */
2805 while (optind
< argc
) {
2806 if (argv
[optind
][0] != '-') {
2810 const QEMUOption
*popt
;
2812 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2813 switch (popt
->index
) {
2814 case QEMU_OPTION_nodefconfig
:
2817 case QEMU_OPTION_nouserconfig
:
2826 ret
= qemu_read_default_config_files(userconfig
);
2832 /* second pass of option parsing */
2837 if (argv
[optind
][0] != '-') {
2838 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2840 const QEMUOption
*popt
;
2842 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2843 if (!(popt
->arch_mask
& arch_type
)) {
2844 printf("Option %s not supported for this target\n", popt
->name
);
2847 switch(popt
->index
) {
2849 machine_class
= machine_parse(optarg
);
2851 case QEMU_OPTION_no_kvm_irqchip
: {
2852 olist
= qemu_find_opts("machine");
2853 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2856 case QEMU_OPTION_cpu
:
2857 /* hw initialization will check this */
2860 case QEMU_OPTION_hda
:
2864 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2866 snprintf(buf
, sizeof(buf
),
2867 "%s,cyls=%d,heads=%d,secs=%d%s",
2868 HD_OPTS
, cyls
, heads
, secs
,
2869 translation
== BIOS_ATA_TRANSLATION_LBA
?
2871 translation
== BIOS_ATA_TRANSLATION_NONE
?
2872 ",trans=none" : "");
2873 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2876 case QEMU_OPTION_hdb
:
2877 case QEMU_OPTION_hdc
:
2878 case QEMU_OPTION_hdd
:
2879 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2882 case QEMU_OPTION_drive
:
2883 if (drive_def(optarg
) == NULL
) {
2887 case QEMU_OPTION_set
:
2888 if (qemu_set_option(optarg
) != 0)
2891 case QEMU_OPTION_global
:
2892 if (qemu_global_option(optarg
) != 0)
2895 case QEMU_OPTION_mtdblock
:
2896 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2898 case QEMU_OPTION_sd
:
2899 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2901 case QEMU_OPTION_pflash
:
2902 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2904 case QEMU_OPTION_snapshot
:
2907 case QEMU_OPTION_hdachs
:
2911 cyls
= strtol(p
, (char **)&p
, 0);
2912 if (cyls
< 1 || cyls
> 16383)
2917 heads
= strtol(p
, (char **)&p
, 0);
2918 if (heads
< 1 || heads
> 16)
2923 secs
= strtol(p
, (char **)&p
, 0);
2924 if (secs
< 1 || secs
> 63)
2928 if (!strcmp(p
, "large")) {
2929 translation
= BIOS_ATA_TRANSLATION_LARGE
;
2930 } else if (!strcmp(p
, "rechs")) {
2931 translation
= BIOS_ATA_TRANSLATION_RECHS
;
2932 } else if (!strcmp(p
, "none")) {
2933 translation
= BIOS_ATA_TRANSLATION_NONE
;
2934 } else if (!strcmp(p
, "lba")) {
2935 translation
= BIOS_ATA_TRANSLATION_LBA
;
2936 } else if (!strcmp(p
, "auto")) {
2937 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2941 } else if (*p
!= '\0') {
2943 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2946 if (hda_opts
!= NULL
) {
2948 snprintf(num
, sizeof(num
), "%d", cyls
);
2949 qemu_opt_set(hda_opts
, "cyls", num
);
2950 snprintf(num
, sizeof(num
), "%d", heads
);
2951 qemu_opt_set(hda_opts
, "heads", num
);
2952 snprintf(num
, sizeof(num
), "%d", secs
);
2953 qemu_opt_set(hda_opts
, "secs", num
);
2954 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
2955 qemu_opt_set(hda_opts
, "trans", "large");
2956 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
2957 qemu_opt_set(hda_opts
, "trans", "rechs");
2958 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
2959 qemu_opt_set(hda_opts
, "trans", "lba");
2960 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
2961 qemu_opt_set(hda_opts
, "trans", "none");
2966 case QEMU_OPTION_numa
:
2967 opts
= qemu_opts_parse(qemu_find_opts("numa"), optarg
, 1);
2972 case QEMU_OPTION_display
:
2973 display_type
= select_display(optarg
);
2975 case QEMU_OPTION_nographic
:
2976 display_type
= DT_NOGRAPHIC
;
2978 case QEMU_OPTION_curses
:
2979 #ifdef CONFIG_CURSES
2980 display_type
= DT_CURSES
;
2982 fprintf(stderr
, "Curses support is disabled\n");
2986 case QEMU_OPTION_portrait
:
2987 graphic_rotate
= 90;
2989 case QEMU_OPTION_rotate
:
2990 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2991 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2992 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2994 "qemu: only 90, 180, 270 deg rotation is available\n");
2998 case QEMU_OPTION_kernel
:
2999 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3001 case QEMU_OPTION_initrd
:
3002 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3004 case QEMU_OPTION_append
:
3005 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3007 case QEMU_OPTION_dtb
:
3008 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3010 case QEMU_OPTION_cdrom
:
3011 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3013 case QEMU_OPTION_boot
:
3014 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3019 case QEMU_OPTION_fda
:
3020 case QEMU_OPTION_fdb
:
3021 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3024 case QEMU_OPTION_no_fd_bootchk
:
3027 case QEMU_OPTION_netdev
:
3028 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3032 case QEMU_OPTION_net
:
3033 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3037 #ifdef CONFIG_LIBISCSI
3038 case QEMU_OPTION_iscsi
:
3039 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3046 case QEMU_OPTION_tftp
:
3047 legacy_tftp_prefix
= optarg
;
3049 case QEMU_OPTION_bootp
:
3050 legacy_bootp_filename
= optarg
;
3052 case QEMU_OPTION_redir
:
3053 if (net_slirp_redir(optarg
) < 0)
3057 case QEMU_OPTION_bt
:
3058 add_device_config(DEV_BT
, optarg
);
3060 case QEMU_OPTION_audio_help
:
3064 case QEMU_OPTION_soundhw
:
3065 select_soundhw (optarg
);
3070 case QEMU_OPTION_version
:
3074 case QEMU_OPTION_m
: {
3076 const char *mem_str
;
3077 const char *maxmem_str
, *slots_str
;
3079 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3085 mem_str
= qemu_opt_get(opts
, "size");
3087 error_report("invalid -m option, missing 'size' option");
3091 error_report("missing 'size' option value");
3095 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
3097 /* Fix up legacy suffix-less format */
3098 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
3099 uint64_t overflow_check
= sz
;
3102 if ((sz
>> 20) != overflow_check
) {
3103 error_report("too large 'size' option value");
3108 /* backward compatibility behaviour for case "-m 0" */
3110 sz
= default_ram_size
;
3113 sz
= QEMU_ALIGN_UP(sz
, 8192);
3115 if (ram_size
!= sz
) {
3116 error_report("ram size too large");
3119 maxram_size
= ram_size
;
3121 maxmem_str
= qemu_opt_get(opts
, "maxmem");
3122 slots_str
= qemu_opt_get(opts
, "slots");
3123 if (maxmem_str
&& slots_str
) {
3126 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
3127 if (sz
< ram_size
) {
3128 error_report("invalid -m option value: maxmem "
3129 "(0x%" PRIx64
") <= initial memory (0x"
3130 RAM_ADDR_FMT
")", sz
, ram_size
);
3134 slots
= qemu_opt_get_number(opts
, "slots", 0);
3135 if ((sz
> ram_size
) && !slots
) {
3136 error_report("invalid -m option value: maxmem "
3137 "(0x%" PRIx64
") more than initial memory (0x"
3138 RAM_ADDR_FMT
") but no hotplug slots where "
3139 "specified", sz
, ram_size
);
3143 if ((sz
<= ram_size
) && slots
) {
3144 error_report("invalid -m option value: %"
3145 PRIu64
" hotplug slots where specified but "
3146 "maxmem (0x%" PRIx64
") <= initial memory (0x"
3147 RAM_ADDR_FMT
")", slots
, sz
, ram_size
);
3152 } else if ((!maxmem_str
&& slots_str
) ||
3153 (maxmem_str
&& !slots_str
)) {
3154 error_report("invalid -m option value: missing "
3155 "'%s' option", slots_str
? "maxmem" : "slots");
3161 case QEMU_OPTION_tpmdev
:
3162 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3167 case QEMU_OPTION_mempath
:
3170 case QEMU_OPTION_mem_prealloc
:
3180 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3182 case QEMU_OPTION_gdb
:
3183 add_device_config(DEV_GDB
, optarg
);
3186 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3187 data_dir
[data_dir_idx
++] = optarg
;
3190 case QEMU_OPTION_bios
:
3191 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3193 case QEMU_OPTION_singlestep
:
3200 keyboard_layout
= optarg
;
3202 case QEMU_OPTION_localtime
:
3205 case QEMU_OPTION_vga
:
3214 w
= strtol(p
, (char **)&p
, 10);
3217 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3223 h
= strtol(p
, (char **)&p
, 10);
3228 depth
= strtol(p
, (char **)&p
, 10);
3229 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3230 depth
!= 24 && depth
!= 32)
3232 } else if (*p
== '\0') {
3233 depth
= graphic_depth
;
3240 graphic_depth
= depth
;
3243 case QEMU_OPTION_echr
:
3246 term_escape_char
= strtol(optarg
, &r
, 0);
3248 printf("Bad argument to echr\n");
3251 case QEMU_OPTION_monitor
:
3252 default_monitor
= 0;
3253 if (strncmp(optarg
, "none", 4)) {
3254 monitor_parse(optarg
, "readline");
3257 case QEMU_OPTION_qmp
:
3258 monitor_parse(optarg
, "control");
3259 default_monitor
= 0;
3261 case QEMU_OPTION_mon
:
3262 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3266 default_monitor
= 0;
3268 case QEMU_OPTION_chardev
:
3269 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3274 case QEMU_OPTION_fsdev
:
3275 olist
= qemu_find_opts("fsdev");
3277 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3280 opts
= qemu_opts_parse(olist
, optarg
, 1);
3285 case QEMU_OPTION_virtfs
: {
3288 const char *writeout
, *sock_fd
, *socket
;
3290 olist
= qemu_find_opts("virtfs");
3292 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3295 opts
= qemu_opts_parse(olist
, optarg
, 1);
3300 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3301 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3302 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3305 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3306 qemu_opt_get(opts
, "mount_tag"),
3309 fprintf(stderr
, "duplicate fsdev id: %s\n",
3310 qemu_opt_get(opts
, "mount_tag"));
3314 writeout
= qemu_opt_get(opts
, "writeout");
3316 #ifdef CONFIG_SYNC_FILE_RANGE
3317 qemu_opt_set(fsdev
, "writeout", writeout
);
3319 fprintf(stderr
, "writeout=immediate not supported on "
3324 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3325 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3326 qemu_opt_set(fsdev
, "security_model",
3327 qemu_opt_get(opts
, "security_model"));
3328 socket
= qemu_opt_get(opts
, "socket");
3330 qemu_opt_set(fsdev
, "socket", socket
);
3332 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3334 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3337 qemu_opt_set_bool(fsdev
, "readonly",
3338 qemu_opt_get_bool(opts
, "readonly", 0));
3339 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3341 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3342 qemu_opt_set(device
, "fsdev",
3343 qemu_opt_get(opts
, "mount_tag"));
3344 qemu_opt_set(device
, "mount_tag",
3345 qemu_opt_get(opts
, "mount_tag"));
3348 case QEMU_OPTION_virtfs_synth
: {
3352 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3355 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3358 qemu_opt_set(fsdev
, "fsdriver", "synth");
3360 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3362 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3363 qemu_opt_set(device
, "fsdev", "v_synth");
3364 qemu_opt_set(device
, "mount_tag", "v_synth");
3367 case QEMU_OPTION_serial
:
3368 add_device_config(DEV_SERIAL
, optarg
);
3370 if (strncmp(optarg
, "mon:", 4) == 0) {
3371 default_monitor
= 0;
3374 case QEMU_OPTION_watchdog
:
3377 "qemu: only one watchdog option may be given\n");
3382 case QEMU_OPTION_watchdog_action
:
3383 if (select_watchdog_action(optarg
) == -1) {
3384 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3388 case QEMU_OPTION_virtiocon
:
3389 add_device_config(DEV_VIRTCON
, optarg
);
3390 default_virtcon
= 0;
3391 if (strncmp(optarg
, "mon:", 4) == 0) {
3392 default_monitor
= 0;
3395 case QEMU_OPTION_parallel
:
3396 add_device_config(DEV_PARALLEL
, optarg
);
3397 default_parallel
= 0;
3398 if (strncmp(optarg
, "mon:", 4) == 0) {
3399 default_monitor
= 0;
3402 case QEMU_OPTION_debugcon
:
3403 add_device_config(DEV_DEBUGCON
, optarg
);
3405 case QEMU_OPTION_loadvm
:
3408 case QEMU_OPTION_full_screen
:
3411 case QEMU_OPTION_no_frame
:
3414 case QEMU_OPTION_alt_grab
:
3417 case QEMU_OPTION_ctrl_grab
:
3420 case QEMU_OPTION_no_quit
:
3423 case QEMU_OPTION_sdl
:
3425 display_type
= DT_SDL
;
3428 fprintf(stderr
, "SDL support is disabled\n");
3431 case QEMU_OPTION_pidfile
:
3434 case QEMU_OPTION_win2k_hack
:
3435 win2k_install_hack
= 1;
3437 case QEMU_OPTION_rtc_td_hack
: {
3438 static GlobalProperty slew_lost_ticks
[] = {
3440 .driver
= "mc146818rtc",
3441 .property
= "lost_tick_policy",
3444 { /* end of list */ }
3447 qdev_prop_register_global_list(slew_lost_ticks
);
3450 case QEMU_OPTION_acpitable
:
3451 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3455 do_acpitable_option(opts
);
3457 case QEMU_OPTION_smbios
:
3458 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3462 do_smbios_option(opts
);
3464 case QEMU_OPTION_enable_kvm
:
3465 olist
= qemu_find_opts("machine");
3466 qemu_opts_parse(olist
, "accel=kvm", 0);
3468 case QEMU_OPTION_machine
:
3469 olist
= qemu_find_opts("machine");
3470 opts
= qemu_opts_parse(olist
, optarg
, 1);
3474 optarg
= qemu_opt_get(opts
, "type");
3476 machine_class
= machine_parse(optarg
);
3479 case QEMU_OPTION_no_kvm
:
3480 olist
= qemu_find_opts("machine");
3481 qemu_opts_parse(olist
, "accel=tcg", 0);
3483 case QEMU_OPTION_no_kvm_pit
: {
3484 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3488 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3489 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3491 .driver
= "kvm-pit",
3492 .property
= "lost_tick_policy",
3495 { /* end of list */ }
3498 fprintf(stderr
, "Warning: option deprecated, use "
3499 "lost_tick_policy property of kvm-pit instead.\n");
3500 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3503 case QEMU_OPTION_usb
:
3504 olist
= qemu_find_opts("machine");
3505 qemu_opts_parse(olist
, "usb=on", 0);
3507 case QEMU_OPTION_usbdevice
:
3508 olist
= qemu_find_opts("machine");
3509 qemu_opts_parse(olist
, "usb=on", 0);
3510 add_device_config(DEV_USB
, optarg
);
3512 case QEMU_OPTION_device
:
3513 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3517 case QEMU_OPTION_smp
:
3518 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3522 case QEMU_OPTION_vnc
:
3525 vnc_display
= optarg
;
3527 fprintf(stderr
, "VNC support is disabled\n");
3531 case QEMU_OPTION_no_acpi
:
3534 case QEMU_OPTION_no_hpet
:
3537 case QEMU_OPTION_balloon
:
3538 if (balloon_parse(optarg
) < 0) {
3539 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3543 case QEMU_OPTION_no_reboot
:
3546 case QEMU_OPTION_no_shutdown
:
3549 case QEMU_OPTION_show_cursor
:
3552 case QEMU_OPTION_uuid
:
3553 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3554 fprintf(stderr
, "Fail to parse UUID string."
3555 " Wrong format.\n");
3558 qemu_uuid_set
= true;
3560 case QEMU_OPTION_option_rom
:
3561 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3562 fprintf(stderr
, "Too many option ROMs\n");
3565 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3569 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3570 option_rom
[nb_option_roms
].bootindex
=
3571 qemu_opt_get_number(opts
, "bootindex", -1);
3572 if (!option_rom
[nb_option_roms
].name
) {
3573 fprintf(stderr
, "Option ROM file is not specified\n");
3578 case QEMU_OPTION_semihosting
:
3579 semihosting_enabled
= 1;
3581 case QEMU_OPTION_tdf
:
3582 fprintf(stderr
, "Warning: user space PIT time drift fix "
3583 "is no longer supported.\n");
3585 case QEMU_OPTION_name
:
3586 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3591 case QEMU_OPTION_prom_env
:
3592 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3593 fprintf(stderr
, "Too many prom variables\n");
3596 prom_envs
[nb_prom_envs
] = optarg
;
3599 case QEMU_OPTION_old_param
:
3602 case QEMU_OPTION_clock
:
3603 /* Clock options no longer exist. Keep this option for
3604 * backward compatibility.
3607 case QEMU_OPTION_startdate
:
3608 configure_rtc_date_offset(optarg
, 1);
3610 case QEMU_OPTION_rtc
:
3611 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3615 configure_rtc(opts
);
3617 case QEMU_OPTION_tb_size
:
3618 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3619 if (tcg_tb_size
< 0) {
3623 case QEMU_OPTION_icount
:
3624 icount_opts
= qemu_opts_parse(qemu_find_opts("icount"),
3630 case QEMU_OPTION_incoming
:
3632 runstate_set(RUN_STATE_INMIGRATE
);
3634 case QEMU_OPTION_nodefaults
:
3637 case QEMU_OPTION_xen_domid
:
3638 if (!(xen_available())) {
3639 printf("Option %s not supported for this target\n", popt
->name
);
3642 xen_domid
= atoi(optarg
);
3644 case QEMU_OPTION_xen_create
:
3645 if (!(xen_available())) {
3646 printf("Option %s not supported for this target\n", popt
->name
);
3649 xen_mode
= XEN_CREATE
;
3651 case QEMU_OPTION_xen_attach
:
3652 if (!(xen_available())) {
3653 printf("Option %s not supported for this target\n", popt
->name
);
3656 xen_mode
= XEN_ATTACH
;
3658 case QEMU_OPTION_trace
:
3660 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3664 trace_events
= qemu_opt_get(opts
, "events");
3665 trace_file
= qemu_opt_get(opts
, "file");
3668 case QEMU_OPTION_readconfig
:
3670 int ret
= qemu_read_config_file(optarg
);
3672 fprintf(stderr
, "read config %s: %s\n", optarg
,
3678 case QEMU_OPTION_spice
:
3679 olist
= qemu_find_opts("spice");
3681 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3684 opts
= qemu_opts_parse(olist
, optarg
, 0);
3690 case QEMU_OPTION_writeconfig
:
3693 if (strcmp(optarg
, "-") == 0) {
3696 fp
= fopen(optarg
, "w");
3698 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3702 qemu_config_write(fp
);
3708 case QEMU_OPTION_qtest
:
3709 qtest_chrdev
= optarg
;
3711 case QEMU_OPTION_qtest_log
:
3714 case QEMU_OPTION_sandbox
:
3715 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3720 case QEMU_OPTION_add_fd
:
3722 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3727 error_report("File descriptor passing is disabled on this "
3732 case QEMU_OPTION_object
:
3733 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3738 case QEMU_OPTION_realtime
:
3739 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3743 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3745 case QEMU_OPTION_msg
:
3746 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3750 configure_msg(opts
);
3752 case QEMU_OPTION_dump_vmstate
:
3753 if (vmstate_dump_file
) {
3754 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3755 "option may be given\n");
3758 vmstate_dump_file
= fopen(optarg
, "w");
3759 if (vmstate_dump_file
== NULL
) {
3760 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3765 os_parse_cmd_args(popt
->index
, optarg
);
3773 if (qemu_init_main_loop(&main_loop_err
)) {
3774 error_report("%s", error_get_pretty(main_loop_err
));
3778 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3782 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name
, NULL
, 1)) {
3787 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3791 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3796 if (machine_class
== NULL
) {
3797 fprintf(stderr
, "No machine specified, and there is no default.\n"
3798 "Use -machine help to list supported machines!\n");
3802 current_machine
= MACHINE(object_new(object_class_get_name(
3803 OBJECT_CLASS(machine_class
))));
3804 object_property_add_child(object_get_root(), "machine",
3805 OBJECT(current_machine
), &error_abort
);
3806 cpu_exec_init_all();
3808 if (machine_class
->hw_version
) {
3809 qemu_set_version(machine_class
->hw_version
);
3812 /* Init CPU def lists, based on config
3813 * - Must be called after all the qemu_read_config_file() calls
3814 * - Must be called before list_cpus()
3815 * - Must be called before machine->init()
3819 if (cpu_model
&& is_help_option(cpu_model
)) {
3820 list_cpus(stdout
, &fprintf
, cpu_model
);
3824 /* Open the logfile at this point, if necessary. We can't open the logfile
3825 * when encountering either of the logging options (-d or -D) because the
3826 * other one may be encountered later on the command line, changing the
3827 * location or level of logging.
3832 qemu_set_log_filename(log_file
);
3835 mask
= qemu_str_to_log_mask(log_mask
);
3837 qemu_print_log_usage(stdout
);
3843 if (!is_daemonized()) {
3844 if (!trace_init_backends(trace_events
, trace_file
)) {
3849 /* If no data_dir is specified then try to find it relative to the
3851 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3852 data_dir
[data_dir_idx
] = os_find_datadir();
3853 if (data_dir
[data_dir_idx
] != NULL
) {
3857 /* If all else fails use the install path specified when building. */
3858 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3859 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3862 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3864 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
3865 if (smp_cpus
> machine_class
->max_cpus
) {
3866 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3867 "supported by machine `%s' (%d)\n", smp_cpus
,
3868 machine_class
->name
, machine_class
->max_cpus
);
3873 * Get the default machine options from the machine if it is not already
3874 * specified either by the configuration file or by the command line.
3876 if (machine_class
->default_machine_opts
) {
3877 qemu_opts_set_defaults(qemu_find_opts("machine"),
3878 machine_class
->default_machine_opts
, 0);
3881 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3882 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3884 if (!vga_model
&& !default_vga
) {
3885 vga_interface_type
= VGA_DEVICE
;
3887 if (!has_defaults
|| machine_class
->no_serial
) {
3890 if (!has_defaults
|| machine_class
->no_parallel
) {
3891 default_parallel
= 0;
3893 if (!has_defaults
|| !machine_class
->use_virtcon
) {
3894 default_virtcon
= 0;
3896 if (!has_defaults
|| !machine_class
->use_sclp
) {
3899 if (!has_defaults
|| machine_class
->no_floppy
) {
3902 if (!has_defaults
|| machine_class
->no_cdrom
) {
3905 if (!has_defaults
|| machine_class
->no_sdcard
) {
3908 if (!has_defaults
) {
3909 default_monitor
= 0;
3914 if (is_daemonized()) {
3915 /* According to documentation and historically, -nographic redirects
3916 * serial port, parallel port and monitor to stdio, which does not work
3917 * with -daemonize. We can redirect these to null instead, but since
3918 * -nographic is legacy, let's just error out.
3919 * We disallow -nographic only if all other ports are not redirected
3920 * explicitly, to not break existing legacy setups which uses
3921 * -nographic _and_ redirects all ports explicitly - this is valid
3922 * usage, -nographic is just a no-op in this case.
3924 if (display_type
== DT_NOGRAPHIC
3925 && (default_parallel
|| default_serial
3926 || default_monitor
|| default_virtcon
)) {
3927 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3930 #ifdef CONFIG_CURSES
3931 if (display_type
== DT_CURSES
) {
3932 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3938 if (display_type
== DT_NOGRAPHIC
) {
3939 if (default_parallel
)
3940 add_device_config(DEV_PARALLEL
, "null");
3941 if (default_serial
&& default_monitor
) {
3942 add_device_config(DEV_SERIAL
, "mon:stdio");
3943 } else if (default_virtcon
&& default_monitor
) {
3944 add_device_config(DEV_VIRTCON
, "mon:stdio");
3945 } else if (default_sclp
&& default_monitor
) {
3946 add_device_config(DEV_SCLP
, "mon:stdio");
3949 add_device_config(DEV_SERIAL
, "stdio");
3950 if (default_virtcon
)
3951 add_device_config(DEV_VIRTCON
, "stdio");
3953 add_device_config(DEV_SCLP
, "stdio");
3955 if (default_monitor
)
3956 monitor_parse("stdio", "readline");
3960 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3961 if (default_parallel
)
3962 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3963 if (default_monitor
)
3964 monitor_parse("vc:80Cx24C", "readline");
3965 if (default_virtcon
)
3966 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3968 add_device_config(DEV_SCLP
, "vc:80Cx24C");
3972 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3973 #if defined(CONFIG_GTK)
3974 display_type
= DT_GTK
;
3975 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3976 display_type
= DT_SDL
;
3977 #elif defined(CONFIG_VNC)
3978 vnc_display
= "localhost:0,to=99";
3981 display_type
= DT_NONE
;
3985 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
3986 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3987 "for SDL, ignoring option\n");
3989 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
3990 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
3991 "ignoring option\n");
3994 #if defined(CONFIG_GTK)
3995 if (display_type
== DT_GTK
) {
3996 early_gtk_display_init();
4002 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4004 #ifdef CONFIG_VIRTFS
4005 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4010 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4011 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4015 /* store value for the future use */
4016 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size
);
4018 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4023 if (qemu_opts_foreach(qemu_find_opts("object"),
4024 object_create
, NULL
, 0) != 0) {
4028 machine_opts
= qemu_get_machine_opts();
4029 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4031 object_unref(OBJECT(current_machine
));
4035 configure_accelerator(current_machine
);
4038 Error
*local_err
= NULL
;
4039 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4041 error_report("%s", error_get_pretty(local_err
));
4042 error_free(local_err
);
4047 machine_opts
= qemu_get_machine_opts();
4048 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4049 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4050 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4051 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4053 boot_order
= machine_class
->default_boot_order
;
4054 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4056 char *normal_boot_order
;
4057 const char *order
, *once
;
4059 order
= qemu_opt_get(opts
, "order");
4061 validate_bootdevices(order
);
4065 once
= qemu_opt_get(opts
, "once");
4067 validate_bootdevices(once
);
4068 normal_boot_order
= g_strdup(boot_order
);
4070 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4073 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4074 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4077 if (!kernel_cmdline
) {
4078 kernel_cmdline
= "";
4079 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4082 linux_boot
= (kernel_filename
!= NULL
);
4084 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4085 fprintf(stderr
, "-append only allowed with -kernel option\n");
4089 if (!linux_boot
&& initrd_filename
!= NULL
) {
4090 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4094 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4095 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4099 os_set_line_buffering();
4101 qemu_init_cpu_loop();
4102 qemu_mutex_lock_iothread();
4105 /* spice needs the timers to be initialized by this point */
4111 if (kvm_enabled() || xen_enabled()) {
4112 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4115 configure_icount(icount_opts
, &error_abort
);
4116 qemu_opts_del(icount_opts
);
4119 /* clean up network at qemu process termination */
4120 atexit(&net_cleanup
);
4122 if (net_init_clients() < 0) {
4127 if (tpm_init() < 0) {
4132 /* init the bluetooth world */
4133 if (foreach_device_config(DEV_BT
, bt_parse
))
4136 if (!xen_enabled()) {
4137 /* On 32-bit hosts, QEMU is limited by virtual address space */
4138 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4139 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4147 /* If the currently selected machine wishes to override the units-per-bus
4148 * property of its default HBA interface type, do so now. */
4149 if (machine_class
->units_per_default_bus
) {
4150 override_max_devs(machine_class
->block_default_type
,
4151 machine_class
->units_per_default_bus
);
4154 /* open the virtual block devices */
4156 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4157 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4158 &machine_class
->block_default_type
, 1) != 0) {
4162 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4164 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4165 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4167 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func
,
4174 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4178 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4180 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4182 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4184 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4187 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4190 /* If no default VGA is requested, the default is "none". */
4192 if (cirrus_vga_available()) {
4193 vga_model
= "cirrus";
4194 } else if (vga_available()) {
4199 select_vgahw(vga_model
);
4203 i
= select_watchdog(watchdog
);
4205 exit (i
== 1 ? 1 : 0);
4208 if (machine_class
->compat_props
) {
4209 qdev_prop_register_global_list(machine_class
->compat_props
);
4213 qdev_machine_init();
4215 current_machine
->ram_size
= ram_size
;
4216 current_machine
->maxram_size
= maxram_size
;
4217 current_machine
->ram_slots
= ram_slots
;
4218 current_machine
->boot_order
= boot_order
;
4219 current_machine
->cpu_model
= cpu_model
;
4221 machine_class
->init(current_machine
);
4227 cpu_synchronize_all_post_init();
4231 /* init USB devices */
4232 if (usb_enabled(false)) {
4233 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4237 /* init generic devices */
4238 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4241 /* Did we create any drives that we failed to create a device for? */
4242 drive_check_orphaned();
4244 net_check_clients();
4246 ds
= init_displaystate();
4248 /* init local displays */
4249 switch (display_type
) {
4251 (void)ds
; /* avoid warning if no display is configured */
4253 #if defined(CONFIG_CURSES)
4255 curses_display_init(ds
, full_screen
);
4258 #if defined(CONFIG_SDL)
4260 sdl_display_init(ds
, full_screen
, no_frame
);
4262 #elif defined(CONFIG_COCOA)
4264 cocoa_display_init(ds
, full_screen
);
4267 #if defined(CONFIG_GTK)
4269 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4276 /* must be after terminal init, SDL library changes signal handlers */
4277 os_setup_signal_handling();
4280 /* init remote displays */
4282 Error
*local_err
= NULL
;
4283 vnc_display_init(ds
);
4284 vnc_display_open(ds
, vnc_display
, &local_err
);
4285 if (local_err
!= NULL
) {
4286 error_report("Failed to start VNC server on `%s': %s",
4287 vnc_display
, error_get_pretty(local_err
));
4288 error_free(local_err
);
4292 if (show_vnc_port
) {
4293 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4299 qemu_spice_display_init();
4303 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4307 qdev_machine_creation_done();
4309 if (rom_load_all() != 0) {
4310 fprintf(stderr
, "rom loading failed\n");
4314 /* TODO: once all bus devices are qdevified, this should be done
4315 * when bus is created by qdev.c */
4316 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4317 qemu_run_machine_init_done_notifiers();
4319 /* Done notifiers can load ROMs */
4322 qemu_system_reset(VMRESET_SILENT
);
4324 if (load_vmstate(loadvm
) < 0) {
4329 qdev_prop_check_globals();
4330 if (vmstate_dump_file
) {
4332 dump_vmstate_json_to_file(vmstate_dump_file
);
4337 Error
*local_err
= NULL
;
4338 qemu_start_incoming_migration(incoming
, &local_err
);
4340 error_report("-incoming %s: %s", incoming
,
4341 error_get_pretty(local_err
));
4342 error_free(local_err
);
4345 } else if (autostart
) {
4351 if (is_daemonized()) {
4352 if (!trace_init_backends(trace_events
, trace_file
)) {