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 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 uint8_t qemu_uuid
[16];
199 static QEMUBootSetHandler
*boot_set_handler
;
200 static void *boot_set_opaque
;
202 static NotifierList exit_notifiers
=
203 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
205 static NotifierList machine_init_done_notifiers
=
206 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
210 enum xen_mode xen_mode
= XEN_EMULATE
;
212 static int has_defaults
= 1;
213 static int default_serial
= 1;
214 static int default_parallel
= 1;
215 static int default_virtcon
= 1;
216 static int default_sclp
= 1;
217 static int default_monitor
= 1;
218 static int default_floppy
= 1;
219 static int default_cdrom
= 1;
220 static int default_sdcard
= 1;
221 static int default_vga
= 1;
227 { .driver
= "isa-serial", .flag
= &default_serial
},
228 { .driver
= "isa-parallel", .flag
= &default_parallel
},
229 { .driver
= "isa-fdc", .flag
= &default_floppy
},
230 { .driver
= "ide-cd", .flag
= &default_cdrom
},
231 { .driver
= "ide-hd", .flag
= &default_cdrom
},
232 { .driver
= "ide-drive", .flag
= &default_cdrom
},
233 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
234 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
235 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
236 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
237 { .driver
= "VGA", .flag
= &default_vga
},
238 { .driver
= "isa-vga", .flag
= &default_vga
},
239 { .driver
= "cirrus-vga", .flag
= &default_vga
},
240 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
241 { .driver
= "vmware-svga", .flag
= &default_vga
},
242 { .driver
= "qxl-vga", .flag
= &default_vga
},
245 static QemuOptsList qemu_rtc_opts
= {
247 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
251 .type
= QEMU_OPT_STRING
,
254 .type
= QEMU_OPT_STRING
,
257 .type
= QEMU_OPT_STRING
,
259 { /* end of list */ }
263 static QemuOptsList qemu_sandbox_opts
= {
265 .implied_opt_name
= "enable",
266 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
270 .type
= QEMU_OPT_BOOL
,
272 { /* end of list */ }
276 static QemuOptsList qemu_trace_opts
= {
278 .implied_opt_name
= "trace",
279 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
283 .type
= QEMU_OPT_STRING
,
286 .type
= QEMU_OPT_STRING
,
288 { /* end of list */ }
292 static QemuOptsList qemu_option_rom_opts
= {
293 .name
= "option-rom",
294 .implied_opt_name
= "romfile",
295 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
299 .type
= QEMU_OPT_NUMBER
,
302 .type
= QEMU_OPT_STRING
,
304 { /* end of list */ }
308 static QemuOptsList qemu_machine_opts
= {
310 .implied_opt_name
= "type",
312 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
316 .type
= QEMU_OPT_STRING
,
317 .help
= "emulated machine"
320 .type
= QEMU_OPT_STRING
,
321 .help
= "accelerator list",
323 .name
= "kernel_irqchip",
324 .type
= QEMU_OPT_BOOL
,
325 .help
= "use KVM in-kernel irqchip",
327 .name
= "kvm_shadow_mem",
328 .type
= QEMU_OPT_SIZE
,
329 .help
= "KVM shadow MMU size",
332 .type
= QEMU_OPT_STRING
,
333 .help
= "Linux kernel image file",
336 .type
= QEMU_OPT_STRING
,
337 .help
= "Linux initial ramdisk file",
340 .type
= QEMU_OPT_STRING
,
341 .help
= "Linux kernel command line",
344 .type
= QEMU_OPT_STRING
,
345 .help
= "Linux kernel device tree file",
348 .type
= QEMU_OPT_STRING
,
349 .help
= "Dump current dtb to a file and quit",
351 .name
= "phandle_start",
352 .type
= QEMU_OPT_NUMBER
,
353 .help
= "The first phandle ID we may generate dynamically",
355 .name
= "dt_compatible",
356 .type
= QEMU_OPT_STRING
,
357 .help
= "Overrides the \"compatible\" property of the dt root node",
359 .name
= "dump-guest-core",
360 .type
= QEMU_OPT_BOOL
,
361 .help
= "Include guest memory in a core dump",
364 .type
= QEMU_OPT_BOOL
,
365 .help
= "enable/disable memory merge support",
368 .type
= QEMU_OPT_BOOL
,
369 .help
= "Set on/off to enable/disable usb",
372 .type
= QEMU_OPT_STRING
,
373 .help
= "firmware image",
376 .type
= QEMU_OPT_STRING
,
377 .help
= "Specifies the KVM virtualization mode (HV, PR)",
379 .name
= PC_MACHINE_MAX_RAM_BELOW_4G
,
380 .type
= QEMU_OPT_SIZE
,
381 .help
= "maximum ram below the 4G boundary (32bit boundary)",
383 .name
= PC_MACHINE_VMPORT
,
384 .type
= QEMU_OPT_STRING
,
385 .help
= "Enable vmport (pc & q35)",
388 .type
= QEMU_OPT_BOOL
,
389 .help
= "Set on/off to enable/disable Intel IOMMU (VT-d)",
391 { /* End of list */ }
395 static QemuOptsList qemu_boot_opts
= {
397 .implied_opt_name
= "order",
399 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
403 .type
= QEMU_OPT_STRING
,
406 .type
= QEMU_OPT_STRING
,
409 .type
= QEMU_OPT_BOOL
,
412 .type
= QEMU_OPT_STRING
,
414 .name
= "splash-time",
415 .type
= QEMU_OPT_STRING
,
417 .name
= "reboot-timeout",
418 .type
= QEMU_OPT_STRING
,
421 .type
= QEMU_OPT_BOOL
,
427 static QemuOptsList qemu_add_fd_opts
= {
429 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
433 .type
= QEMU_OPT_NUMBER
,
434 .help
= "file descriptor of which a duplicate is added to fd set",
437 .type
= QEMU_OPT_NUMBER
,
438 .help
= "ID of the fd set to add fd to",
441 .type
= QEMU_OPT_STRING
,
442 .help
= "free-form string used to describe fd",
444 { /* end of list */ }
448 static QemuOptsList qemu_object_opts
= {
450 .implied_opt_name
= "qom-type",
451 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
457 static QemuOptsList qemu_tpmdev_opts
= {
459 .implied_opt_name
= "type",
460 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
462 /* options are defined in the TPM backends */
463 { /* end of list */ }
467 static QemuOptsList qemu_realtime_opts
= {
469 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
473 .type
= QEMU_OPT_BOOL
,
475 { /* end of list */ }
479 static QemuOptsList qemu_msg_opts
= {
481 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
485 .type
= QEMU_OPT_BOOL
,
487 { /* end of list */ }
491 static QemuOptsList qemu_name_opts
= {
493 .implied_opt_name
= "guest",
495 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
499 .type
= QEMU_OPT_STRING
,
500 .help
= "Sets the name of the guest.\n"
501 "This name will be displayed in the SDL window caption.\n"
502 "The name will also be used for the VNC server",
505 .type
= QEMU_OPT_STRING
,
506 .help
= "Sets the name of the QEMU process, as shown in top etc",
508 .name
= "debug-threads",
509 .type
= QEMU_OPT_BOOL
,
510 .help
= "When enabled, name the individual threads; defaults off.\n"
511 "NOTE: The thread names are for debugging and not a\n"
514 { /* End of list */ }
518 static QemuOptsList qemu_mem_opts
= {
520 .implied_opt_name
= "size",
521 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
526 .type
= QEMU_OPT_SIZE
,
530 .type
= QEMU_OPT_NUMBER
,
534 .type
= QEMU_OPT_SIZE
,
536 { /* end of list */ }
540 static QemuOptsList qemu_icount_opts
= {
542 .implied_opt_name
= "shift",
544 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
548 .type
= QEMU_OPT_STRING
,
551 .type
= QEMU_OPT_BOOL
,
553 { /* end of list */ }
557 static QemuOptsList qemu_semihosting_config_opts
= {
558 .name
= "semihosting-config",
559 .implied_opt_name
= "enable",
560 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
564 .type
= QEMU_OPT_BOOL
,
567 .type
= QEMU_OPT_STRING
,
569 { /* end of list */ }
574 * Get machine options
576 * Returns: machine options (never null).
578 QemuOpts
*qemu_get_machine_opts(void)
580 return qemu_find_opts_singleton("machine");
583 const char *qemu_get_vm_name(void)
588 static void res_free(void)
590 if (boot_splash_filedata
!= NULL
) {
591 g_free(boot_splash_filedata
);
592 boot_splash_filedata
= NULL
;
596 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
598 const char *driver
= qemu_opt_get(opts
, "driver");
603 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
604 if (strcmp(default_list
[i
].driver
, driver
) != 0)
606 *(default_list
[i
].flag
) = 0;
611 /***********************************************************/
614 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
616 /* We use RUN_STATE_MAX but any invalid value will do */
617 static RunState vmstop_requested
= RUN_STATE_MAX
;
618 static QemuMutex vmstop_lock
;
623 } RunStateTransition
;
625 static const RunStateTransition runstate_transitions_def
[] = {
627 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
628 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
630 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
631 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
633 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
634 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
636 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
637 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
639 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
640 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
642 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
643 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
645 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
646 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
647 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
649 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
650 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
652 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
654 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
655 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
656 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
657 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
658 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
659 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
660 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
661 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
662 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
663 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
665 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
667 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
668 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
670 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
671 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
672 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
673 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
675 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
676 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
678 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
679 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
681 { RUN_STATE_MAX
, RUN_STATE_MAX
},
684 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
686 bool runstate_check(RunState state
)
688 return current_run_state
== state
;
691 static void runstate_init(void)
693 const RunStateTransition
*p
;
695 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
696 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
697 runstate_valid_transitions
[p
->from
][p
->to
] = true;
700 qemu_mutex_init(&vmstop_lock
);
703 /* This function will abort() on invalid state transitions */
704 void runstate_set(RunState new_state
)
706 assert(new_state
< RUN_STATE_MAX
);
708 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
709 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
710 RunState_lookup
[current_run_state
],
711 RunState_lookup
[new_state
]);
714 trace_runstate_set(new_state
);
715 current_run_state
= new_state
;
718 int runstate_is_running(void)
720 return runstate_check(RUN_STATE_RUNNING
);
723 bool runstate_needs_reset(void)
725 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
726 runstate_check(RUN_STATE_SHUTDOWN
);
729 StatusInfo
*qmp_query_status(Error
**errp
)
731 StatusInfo
*info
= g_malloc0(sizeof(*info
));
733 info
->running
= runstate_is_running();
734 info
->singlestep
= singlestep
;
735 info
->status
= current_run_state
;
740 static bool qemu_vmstop_requested(RunState
*r
)
742 qemu_mutex_lock(&vmstop_lock
);
743 *r
= vmstop_requested
;
744 vmstop_requested
= RUN_STATE_MAX
;
745 qemu_mutex_unlock(&vmstop_lock
);
746 return *r
< RUN_STATE_MAX
;
749 void qemu_system_vmstop_request_prepare(void)
751 qemu_mutex_lock(&vmstop_lock
);
754 void qemu_system_vmstop_request(RunState state
)
756 vmstop_requested
= state
;
757 qemu_mutex_unlock(&vmstop_lock
);
765 qemu_vmstop_requested(&requested
);
766 if (runstate_is_running() && requested
== RUN_STATE_MAX
) {
770 /* Ensure that a STOP/RESUME pair of events is emitted if a
771 * vmstop request was pending. The BLOCK_IO_ERROR event, for
772 * example, according to documentation is always followed by
775 if (runstate_is_running()) {
776 qapi_event_send_stop(&error_abort
);
779 runstate_set(RUN_STATE_RUNNING
);
780 vm_state_notify(1, RUN_STATE_RUNNING
);
784 qapi_event_send_resume(&error_abort
);
788 /***********************************************************/
789 /* real time host monotonic timer */
791 /***********************************************************/
792 /* host time/date access */
793 void qemu_get_timedate(struct tm
*tm
, int offset
)
799 if (rtc_date_offset
== -1) {
803 localtime_r(&ti
, tm
);
805 ti
-= rtc_date_offset
;
810 int qemu_timedate_diff(struct tm
*tm
)
814 if (rtc_date_offset
== -1)
816 seconds
= mktimegm(tm
);
819 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
820 seconds
= mktime(&tmp
);
823 seconds
= mktimegm(tm
) + rtc_date_offset
;
825 return seconds
- time(NULL
);
828 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
830 time_t rtc_start_date
;
833 if (!strcmp(startdate
, "now") && legacy
) {
834 rtc_date_offset
= -1;
836 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
844 } else if (sscanf(startdate
, "%d-%d-%d",
856 rtc_start_date
= mktimegm(&tm
);
857 if (rtc_start_date
== -1) {
859 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
860 "'2006-06-17T16:01:21' or '2006-06-17'\n");
863 rtc_date_offset
= time(NULL
) - rtc_start_date
;
867 static void configure_rtc(QemuOpts
*opts
)
871 value
= qemu_opt_get(opts
, "base");
873 if (!strcmp(value
, "utc")) {
875 } else if (!strcmp(value
, "localtime")) {
878 configure_rtc_date_offset(value
, 0);
881 value
= qemu_opt_get(opts
, "clock");
883 if (!strcmp(value
, "host")) {
884 rtc_clock
= QEMU_CLOCK_HOST
;
885 } else if (!strcmp(value
, "rt")) {
886 rtc_clock
= QEMU_CLOCK_REALTIME
;
887 } else if (!strcmp(value
, "vm")) {
888 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
890 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
894 value
= qemu_opt_get(opts
, "driftfix");
896 if (!strcmp(value
, "slew")) {
897 static GlobalProperty slew_lost_ticks
[] = {
899 .driver
= "mc146818rtc",
900 .property
= "lost_tick_policy",
903 { /* end of list */ }
906 qdev_prop_register_global_list(slew_lost_ticks
);
907 } else if (!strcmp(value
, "none")) {
908 /* discard is default */
910 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
916 /***********************************************************/
917 /* Bluetooth support */
920 static struct HCIInfo
*hci_table
[MAX_NICS
];
922 struct HCIInfo
*qemu_next_hci(void)
924 if (cur_hci
== nb_hcis
)
927 return hci_table
[cur_hci
++];
930 static int bt_hci_parse(const char *str
)
935 if (nb_hcis
>= MAX_NICS
) {
936 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
949 bdaddr
.b
[5] = 0x56 + nb_hcis
;
950 hci
->bdaddr_set(hci
, bdaddr
.b
);
952 hci_table
[nb_hcis
++] = hci
;
957 static void bt_vhci_add(int vlan_id
)
959 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
962 fprintf(stderr
, "qemu: warning: adding a VHCI to "
963 "an empty scatternet %i\n", vlan_id
);
965 bt_vhci_init(bt_new_hci(vlan
));
968 static struct bt_device_s
*bt_device_add(const char *opt
)
970 struct bt_scatternet_s
*vlan
;
972 char *endp
= strstr(opt
, ",vlan=");
973 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
976 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
979 vlan_id
= strtol(endp
+ 6, &endp
, 0);
981 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
986 vlan
= qemu_find_bt_vlan(vlan_id
);
989 fprintf(stderr
, "qemu: warning: adding a slave device to "
990 "an empty scatternet %i\n", vlan_id
);
992 if (!strcmp(devname
, "keyboard"))
993 return bt_keyboard_init(vlan
);
995 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
999 static int bt_parse(const char *opt
)
1001 const char *endp
, *p
;
1004 if (strstart(opt
, "hci", &endp
)) {
1005 if (!*endp
|| *endp
== ',') {
1007 if (!strstart(endp
, ",vlan=", 0))
1010 return bt_hci_parse(opt
);
1012 } else if (strstart(opt
, "vhci", &endp
)) {
1013 if (!*endp
|| *endp
== ',') {
1015 if (strstart(endp
, ",vlan=", &p
)) {
1016 vlan
= strtol(p
, (char **) &endp
, 0);
1018 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
1022 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
1031 } else if (strstart(opt
, "device:", &endp
))
1032 return !bt_device_add(endp
);
1034 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1038 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1040 /* FIXME: change this to true for 1.3 */
1041 if (qemu_opt_get_bool(opts
, "enable", false)) {
1042 #ifdef CONFIG_SECCOMP
1043 if (seccomp_start() < 0) {
1044 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1045 "failed to install seccomp syscall filter in the kernel");
1049 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1050 "sandboxing request but seccomp is not compiled into this build");
1058 static int parse_name(QemuOpts
*opts
, void *opaque
)
1060 const char *proc_name
;
1062 if (qemu_opt_get(opts
, "debug-threads")) {
1063 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1065 qemu_name
= qemu_opt_get(opts
, "guest");
1067 proc_name
= qemu_opt_get(opts
, "process");
1069 os_set_proc_name(proc_name
);
1075 bool usb_enabled(bool default_usb
)
1077 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1078 has_defaults
&& default_usb
);
1082 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1084 int fd
, dupfd
, flags
;
1086 const char *fd_opaque
= NULL
;
1088 fd
= qemu_opt_get_number(opts
, "fd", -1);
1089 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1090 fd_opaque
= qemu_opt_get(opts
, "opaque");
1093 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1094 "fd option is required and must be non-negative");
1098 if (fd
<= STDERR_FILENO
) {
1099 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1100 "fd cannot be a standard I/O stream");
1105 * All fds inherited across exec() necessarily have FD_CLOEXEC
1106 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 flags
= fcntl(fd
, F_GETFD
);
1109 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1110 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1111 "fd is not valid or already in use");
1116 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1117 "set option is required and must be non-negative");
1121 #ifdef F_DUPFD_CLOEXEC
1122 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1126 qemu_set_cloexec(dupfd
);
1130 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1131 "Error duplicating fd: %s", strerror(errno
));
1135 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1136 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1142 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1146 fd
= qemu_opt_get_number(opts
, "fd", -1);
1153 /***********************************************************/
1154 /* QEMU Block devices */
1156 #define HD_OPTS "media=disk"
1157 #define CDROM_OPTS "media=cdrom"
1159 #define PFLASH_OPTS ""
1163 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1165 BlockInterfaceType
*block_default_type
= opaque
;
1167 return drive_new(opts
, *block_default_type
) == NULL
;
1170 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1172 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1173 qemu_opt_set(opts
, "snapshot", "on");
1178 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1179 int index
, const char *optstr
)
1184 if (!enable
|| drive_get_by_index(type
, index
)) {
1188 opts
= drive_add(type
, index
, NULL
, optstr
);
1190 drive_enable_snapshot(opts
, NULL
);
1193 dinfo
= drive_new(opts
, type
);
1197 dinfo
->is_default
= true;
1201 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1203 boot_set_handler
= func
;
1204 boot_set_opaque
= opaque
;
1207 int qemu_boot_set(const char *boot_order
)
1209 if (!boot_set_handler
) {
1212 return boot_set_handler(boot_set_opaque
, boot_order
);
1215 static void validate_bootdevices(const char *devices
)
1217 /* We just do some generic consistency checks */
1221 for (p
= devices
; *p
!= '\0'; p
++) {
1222 /* Allowed boot devices are:
1223 * a-b: floppy disk drives
1224 * c-f: IDE disk drives
1225 * g-m: machine implementation dependent drives
1226 * n-p: network devices
1227 * It's up to each machine implementation to check if the given boot
1228 * devices match the actual hardware implementation and firmware
1231 if (*p
< 'a' || *p
> 'p') {
1232 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1235 if (bitmap
& (1 << (*p
- 'a'))) {
1236 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1239 bitmap
|= 1 << (*p
- 'a');
1243 static void restore_boot_order(void *opaque
)
1245 char *normal_boot_order
= opaque
;
1246 static int first
= 1;
1248 /* Restore boot order and remove ourselves after the first boot */
1254 qemu_boot_set(normal_boot_order
);
1256 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1257 g_free(normal_boot_order
);
1260 static QemuOptsList qemu_smp_opts
= {
1262 .implied_opt_name
= "cpus",
1263 .merge_lists
= true,
1264 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1268 .type
= QEMU_OPT_NUMBER
,
1271 .type
= QEMU_OPT_NUMBER
,
1274 .type
= QEMU_OPT_NUMBER
,
1277 .type
= QEMU_OPT_NUMBER
,
1280 .type
= QEMU_OPT_NUMBER
,
1282 { /*End of list */ }
1286 static void smp_parse(QemuOpts
*opts
)
1290 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1291 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1292 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1293 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1295 /* compute missing values, prefer sockets over cores over threads */
1296 if (cpus
== 0 || sockets
== 0) {
1297 sockets
= sockets
> 0 ? sockets
: 1;
1298 cores
= cores
> 0 ? cores
: 1;
1299 threads
= threads
> 0 ? threads
: 1;
1301 cpus
= cores
* threads
* sockets
;
1305 threads
= threads
> 0 ? threads
: 1;
1306 cores
= cpus
/ (sockets
* threads
);
1308 threads
= cpus
/ (cores
* sockets
);
1312 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1315 smp_cores
= cores
> 0 ? cores
: 1;
1316 smp_threads
= threads
> 0 ? threads
: 1;
1320 if (max_cpus
== 0) {
1321 max_cpus
= smp_cpus
;
1324 if (max_cpus
> MAX_CPUMASK_BITS
) {
1325 fprintf(stderr
, "Unsupported number of maxcpus\n");
1328 if (max_cpus
< smp_cpus
) {
1329 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1335 static void realtime_init(void)
1338 if (os_mlock() < 0) {
1339 fprintf(stderr
, "qemu: locking memory failed\n");
1346 static void configure_msg(QemuOpts
*opts
)
1348 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1351 /***********************************************************/
1354 static int usb_device_add(const char *devname
)
1356 USBDevice
*dev
= NULL
;
1357 #ifndef CONFIG_LINUX
1361 if (!usb_enabled(false)) {
1365 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1366 dev
= usbdevice_create(devname
);
1370 /* the other ones */
1371 #ifndef CONFIG_LINUX
1372 /* only the linux version is qdev-ified, usb-bsd still needs this */
1373 if (strstart(devname
, "host:", &p
)) {
1374 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1384 static int usb_device_del(const char *devname
)
1389 if (strstart(devname
, "host:", &p
)) {
1393 if (!usb_enabled(false)) {
1397 p
= strchr(devname
, '.');
1400 bus_num
= strtoul(devname
, NULL
, 0);
1401 addr
= strtoul(p
+ 1, NULL
, 0);
1403 return usb_device_delete_addr(bus_num
, addr
);
1406 static int usb_parse(const char *cmdline
)
1409 r
= usb_device_add(cmdline
);
1411 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1416 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1418 const char *devname
= qdict_get_str(qdict
, "devname");
1419 if (usb_device_add(devname
) < 0) {
1420 error_report("could not add USB device '%s'", devname
);
1424 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1426 const char *devname
= qdict_get_str(qdict
, "devname");
1427 if (usb_device_del(devname
) < 0) {
1428 error_report("could not delete USB device '%s'", devname
);
1432 /***********************************************************/
1433 /* machine registration */
1435 MachineState
*current_machine
;
1437 static void machine_class_init(ObjectClass
*oc
, void *data
)
1439 MachineClass
*mc
= MACHINE_CLASS(oc
);
1440 QEMUMachine
*qm
= data
;
1442 mc
->family
= qm
->family
;
1443 mc
->name
= qm
->name
;
1444 mc
->alias
= qm
->alias
;
1445 mc
->desc
= qm
->desc
;
1446 mc
->init
= qm
->init
;
1447 mc
->reset
= qm
->reset
;
1448 mc
->hot_add_cpu
= qm
->hot_add_cpu
;
1449 mc
->kvm_type
= qm
->kvm_type
;
1450 mc
->block_default_type
= qm
->block_default_type
;
1451 mc
->units_per_default_bus
= qm
->units_per_default_bus
;
1452 mc
->max_cpus
= qm
->max_cpus
;
1453 mc
->no_serial
= qm
->no_serial
;
1454 mc
->no_parallel
= qm
->no_parallel
;
1455 mc
->use_virtcon
= qm
->use_virtcon
;
1456 mc
->use_sclp
= qm
->use_sclp
;
1457 mc
->no_floppy
= qm
->no_floppy
;
1458 mc
->no_cdrom
= qm
->no_cdrom
;
1459 mc
->no_sdcard
= qm
->no_sdcard
;
1460 mc
->has_dynamic_sysbus
= qm
->has_dynamic_sysbus
;
1461 mc
->is_default
= qm
->is_default
;
1462 mc
->default_machine_opts
= qm
->default_machine_opts
;
1463 mc
->default_boot_order
= qm
->default_boot_order
;
1464 mc
->default_display
= qm
->default_display
;
1465 mc
->compat_props
= qm
->compat_props
;
1466 mc
->hw_version
= qm
->hw_version
;
1469 int qemu_register_machine(QEMUMachine
*m
)
1471 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1474 .parent
= TYPE_MACHINE
,
1475 .class_init
= machine_class_init
,
1476 .class_data
= (void *)m
,
1485 static MachineClass
*find_machine(const char *name
)
1487 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1488 MachineClass
*mc
= NULL
;
1490 for (el
= machines
; el
; el
= el
->next
) {
1491 MachineClass
*temp
= el
->data
;
1493 if (!strcmp(temp
->name
, name
)) {
1498 !strcmp(temp
->alias
, name
)) {
1504 g_slist_free(machines
);
1508 MachineClass
*find_default_machine(void)
1510 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1511 MachineClass
*mc
= NULL
;
1513 for (el
= machines
; el
; el
= el
->next
) {
1514 MachineClass
*temp
= el
->data
;
1516 if (temp
->is_default
) {
1522 g_slist_free(machines
);
1526 MachineInfoList
*qmp_query_machines(Error
**errp
)
1528 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1529 MachineInfoList
*mach_list
= NULL
;
1531 for (el
= machines
; el
; el
= el
->next
) {
1532 MachineClass
*mc
= el
->data
;
1533 MachineInfoList
*entry
;
1536 info
= g_malloc0(sizeof(*info
));
1537 if (mc
->is_default
) {
1538 info
->has_is_default
= true;
1539 info
->is_default
= true;
1543 info
->has_alias
= true;
1544 info
->alias
= g_strdup(mc
->alias
);
1547 info
->name
= g_strdup(mc
->name
);
1548 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1550 entry
= g_malloc0(sizeof(*entry
));
1551 entry
->value
= info
;
1552 entry
->next
= mach_list
;
1556 g_slist_free(machines
);
1560 /***********************************************************/
1561 /* main execution loop */
1563 struct vm_change_state_entry
{
1564 VMChangeStateHandler
*cb
;
1566 QLIST_ENTRY (vm_change_state_entry
) entries
;
1569 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1571 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1574 VMChangeStateEntry
*e
;
1576 e
= g_malloc0(sizeof (*e
));
1580 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1584 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1586 QLIST_REMOVE (e
, entries
);
1590 void vm_state_notify(int running
, RunState state
)
1592 VMChangeStateEntry
*e
, *next
;
1594 trace_vm_state_notify(running
, state
);
1596 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1597 e
->cb(e
->opaque
, running
, state
);
1601 /* reset/shutdown handler */
1603 typedef struct QEMUResetEntry
{
1604 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1605 QEMUResetHandler
*func
;
1609 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1610 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1611 static int reset_requested
;
1612 static int shutdown_requested
, shutdown_signal
= -1;
1613 static pid_t shutdown_pid
;
1614 static int powerdown_requested
;
1615 static int debug_requested
;
1616 static int suspend_requested
;
1617 static WakeupReason wakeup_reason
;
1618 static NotifierList powerdown_notifiers
=
1619 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1620 static NotifierList suspend_notifiers
=
1621 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1622 static NotifierList wakeup_notifiers
=
1623 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1624 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1626 int qemu_shutdown_requested_get(void)
1628 return shutdown_requested
;
1631 int qemu_reset_requested_get(void)
1633 return reset_requested
;
1636 static int qemu_shutdown_requested(void)
1638 return atomic_xchg(&shutdown_requested
, 0);
1641 static void qemu_kill_report(void)
1643 if (!qtest_driver() && shutdown_signal
!= -1) {
1644 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1645 if (shutdown_pid
== 0) {
1646 /* This happens for eg ^C at the terminal, so it's worth
1647 * avoiding printing an odd message in that case.
1649 fputc('\n', stderr
);
1651 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1653 shutdown_signal
= -1;
1657 static int qemu_reset_requested(void)
1659 int r
= reset_requested
;
1660 reset_requested
= 0;
1664 static int qemu_suspend_requested(void)
1666 int r
= suspend_requested
;
1667 suspend_requested
= 0;
1671 static WakeupReason
qemu_wakeup_requested(void)
1673 return wakeup_reason
;
1676 static int qemu_powerdown_requested(void)
1678 int r
= powerdown_requested
;
1679 powerdown_requested
= 0;
1683 static int qemu_debug_requested(void)
1685 int r
= debug_requested
;
1686 debug_requested
= 0;
1690 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1692 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1695 re
->opaque
= opaque
;
1696 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1699 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1703 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1704 if (re
->func
== func
&& re
->opaque
== opaque
) {
1705 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1712 void qemu_devices_reset(void)
1714 QEMUResetEntry
*re
, *nre
;
1716 /* reset all devices */
1717 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1718 re
->func(re
->opaque
);
1722 void qemu_system_reset(bool report
)
1726 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1728 if (mc
&& mc
->reset
) {
1731 qemu_devices_reset();
1734 qapi_event_send_reset(&error_abort
);
1736 cpu_synchronize_all_post_reset();
1739 void qemu_system_reset_request(void)
1742 shutdown_requested
= 1;
1744 reset_requested
= 1;
1747 qemu_notify_event();
1750 static void qemu_system_suspend(void)
1753 notifier_list_notify(&suspend_notifiers
, NULL
);
1754 runstate_set(RUN_STATE_SUSPENDED
);
1755 qapi_event_send_suspend(&error_abort
);
1758 void qemu_system_suspend_request(void)
1760 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1763 suspend_requested
= 1;
1765 qemu_notify_event();
1768 void qemu_register_suspend_notifier(Notifier
*notifier
)
1770 notifier_list_add(&suspend_notifiers
, notifier
);
1773 void qemu_system_wakeup_request(WakeupReason reason
)
1775 trace_system_wakeup_request(reason
);
1777 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1780 if (!(wakeup_reason_mask
& (1 << reason
))) {
1783 runstate_set(RUN_STATE_RUNNING
);
1784 wakeup_reason
= reason
;
1785 qemu_notify_event();
1788 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1791 wakeup_reason_mask
|= (1 << reason
);
1793 wakeup_reason_mask
&= ~(1 << reason
);
1797 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1799 notifier_list_add(&wakeup_notifiers
, notifier
);
1802 void qemu_system_killed(int signal
, pid_t pid
)
1804 shutdown_signal
= signal
;
1807 qemu_system_shutdown_request();
1810 void qemu_system_shutdown_request(void)
1812 trace_qemu_system_shutdown_request();
1813 shutdown_requested
= 1;
1814 qemu_notify_event();
1817 static void qemu_system_powerdown(void)
1819 qapi_event_send_powerdown(&error_abort
);
1820 notifier_list_notify(&powerdown_notifiers
, NULL
);
1823 void qemu_system_powerdown_request(void)
1825 trace_qemu_system_powerdown_request();
1826 powerdown_requested
= 1;
1827 qemu_notify_event();
1830 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1832 notifier_list_add(&powerdown_notifiers
, notifier
);
1835 void qemu_system_debug_request(void)
1837 debug_requested
= 1;
1838 qemu_notify_event();
1841 static bool main_loop_should_exit(void)
1844 if (qemu_debug_requested()) {
1845 vm_stop(RUN_STATE_DEBUG
);
1847 if (qemu_suspend_requested()) {
1848 qemu_system_suspend();
1850 if (qemu_shutdown_requested()) {
1852 qapi_event_send_shutdown(&error_abort
);
1854 vm_stop(RUN_STATE_SHUTDOWN
);
1859 if (qemu_reset_requested()) {
1861 cpu_synchronize_all_states();
1862 qemu_system_reset(VMRESET_REPORT
);
1864 if (runstate_needs_reset()) {
1865 runstate_set(RUN_STATE_PAUSED
);
1868 if (qemu_wakeup_requested()) {
1870 cpu_synchronize_all_states();
1871 qemu_system_reset(VMRESET_SILENT
);
1872 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1873 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1875 qapi_event_send_wakeup(&error_abort
);
1877 if (qemu_powerdown_requested()) {
1878 qemu_system_powerdown();
1880 if (qemu_vmstop_requested(&r
)) {
1886 static void main_loop(void)
1890 #ifdef CONFIG_PROFILER
1894 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
1895 #ifdef CONFIG_PROFILER
1896 ti
= profile_getclock();
1898 last_io
= main_loop_wait(nonblocking
);
1899 #ifdef CONFIG_PROFILER
1900 dev_time
+= profile_getclock() - ti
;
1902 } while (!main_loop_should_exit());
1905 static void version(void)
1907 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1910 static void help(int exitcode
)
1913 printf("usage: %s [options] [disk_image]\n\n"
1914 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1915 error_get_progname());
1917 #define QEMU_OPTIONS_GENERATE_HELP
1918 #include "qemu-options-wrapper.h"
1920 printf("\nDuring emulation, the following keys are useful:\n"
1921 "ctrl-alt-f toggle full screen\n"
1922 "ctrl-alt-n switch to virtual console 'n'\n"
1923 "ctrl-alt toggle mouse and keyboard grab\n"
1925 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1930 #define HAS_ARG 0x0001
1932 typedef struct QEMUOption
{
1939 static const QEMUOption qemu_options
[] = {
1940 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1941 #define QEMU_OPTIONS_GENERATE_OPTIONS
1942 #include "qemu-options-wrapper.h"
1946 static bool vga_available(void)
1948 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1951 static bool cirrus_vga_available(void)
1953 return object_class_by_name("cirrus-vga")
1954 || object_class_by_name("isa-cirrus-vga");
1957 static bool vmware_vga_available(void)
1959 return object_class_by_name("vmware-svga");
1962 static bool qxl_vga_available(void)
1964 return object_class_by_name("qxl-vga");
1967 static bool tcx_vga_available(void)
1969 return object_class_by_name("SUNW,tcx");
1972 static bool cg3_vga_available(void)
1974 return object_class_by_name("cgthree");
1977 static void select_vgahw (const char *p
)
1981 assert(vga_interface_type
== VGA_NONE
);
1982 if (strstart(p
, "std", &opts
)) {
1983 if (vga_available()) {
1984 vga_interface_type
= VGA_STD
;
1986 fprintf(stderr
, "Error: standard VGA not available\n");
1989 } else if (strstart(p
, "cirrus", &opts
)) {
1990 if (cirrus_vga_available()) {
1991 vga_interface_type
= VGA_CIRRUS
;
1993 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1996 } else if (strstart(p
, "vmware", &opts
)) {
1997 if (vmware_vga_available()) {
1998 vga_interface_type
= VGA_VMWARE
;
2000 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2003 } else if (strstart(p
, "xenfb", &opts
)) {
2004 vga_interface_type
= VGA_XENFB
;
2005 } else if (strstart(p
, "qxl", &opts
)) {
2006 if (qxl_vga_available()) {
2007 vga_interface_type
= VGA_QXL
;
2009 fprintf(stderr
, "Error: QXL VGA not available\n");
2012 } else if (strstart(p
, "tcx", &opts
)) {
2013 if (tcx_vga_available()) {
2014 vga_interface_type
= VGA_TCX
;
2016 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2019 } else if (strstart(p
, "cg3", &opts
)) {
2020 if (cg3_vga_available()) {
2021 vga_interface_type
= VGA_CG3
;
2023 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2026 } else if (!strstart(p
, "none", &opts
)) {
2028 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2032 const char *nextopt
;
2034 if (strstart(opts
, ",retrace=", &nextopt
)) {
2036 if (strstart(opts
, "dumb", &nextopt
))
2037 vga_retrace_method
= VGA_RETRACE_DUMB
;
2038 else if (strstart(opts
, "precise", &nextopt
))
2039 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2040 else goto invalid_vga
;
2041 } else goto invalid_vga
;
2046 static DisplayType
select_display(const char *p
)
2049 DisplayType display
= DT_DEFAULT
;
2051 if (strstart(p
, "sdl", &opts
)) {
2055 const char *nextopt
;
2057 if (strstart(opts
, ",frame=", &nextopt
)) {
2059 if (strstart(opts
, "on", &nextopt
)) {
2061 } else if (strstart(opts
, "off", &nextopt
)) {
2064 goto invalid_sdl_args
;
2066 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2068 if (strstart(opts
, "on", &nextopt
)) {
2070 } else if (strstart(opts
, "off", &nextopt
)) {
2073 goto invalid_sdl_args
;
2075 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2077 if (strstart(opts
, "on", &nextopt
)) {
2079 } else if (strstart(opts
, "off", &nextopt
)) {
2082 goto invalid_sdl_args
;
2084 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2086 if (strstart(opts
, "on", &nextopt
)) {
2088 } else if (strstart(opts
, "off", &nextopt
)) {
2091 goto invalid_sdl_args
;
2095 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2101 fprintf(stderr
, "SDL support is disabled\n");
2104 } else if (strstart(p
, "vnc", &opts
)) {
2109 const char *nextopt
;
2111 if (strstart(opts
, "=", &nextopt
)) {
2112 vnc_display
= nextopt
;
2116 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2120 fprintf(stderr
, "VNC support is disabled\n");
2123 } else if (strstart(p
, "curses", &opts
)) {
2124 #ifdef CONFIG_CURSES
2125 display
= DT_CURSES
;
2127 fprintf(stderr
, "Curses support is disabled\n");
2130 } else if (strstart(p
, "gtk", &opts
)) {
2134 const char *nextopt
;
2136 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2138 if (strstart(opts
, "on", &nextopt
)) {
2139 grab_on_hover
= true;
2140 } else if (strstart(opts
, "off", &nextopt
)) {
2141 grab_on_hover
= false;
2143 goto invalid_gtk_args
;
2147 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2153 fprintf(stderr
, "GTK support is disabled\n");
2156 } else if (strstart(p
, "none", &opts
)) {
2159 fprintf(stderr
, "Unknown display type: %s\n", p
);
2166 static int balloon_parse(const char *arg
)
2170 if (strcmp(arg
, "none") == 0) {
2174 if (!strncmp(arg
, "virtio", 6)) {
2175 if (arg
[6] == ',') {
2176 /* have params -> parse them */
2177 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2181 /* create empty opts */
2182 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2185 qemu_opt_set(opts
, "driver", "virtio-balloon");
2192 char *qemu_find_file(int type
, const char *name
)
2198 /* Try the name as a straight path first */
2199 if (access(name
, R_OK
) == 0) {
2200 trace_load_file(name
, name
);
2201 return g_strdup(name
);
2205 case QEMU_FILE_TYPE_BIOS
:
2208 case QEMU_FILE_TYPE_KEYMAP
:
2209 subdir
= "keymaps/";
2215 for (i
= 0; i
< data_dir_idx
; i
++) {
2216 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2217 if (access(buf
, R_OK
) == 0) {
2218 trace_load_file(name
, buf
);
2226 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2228 return qdev_device_help(opts
);
2231 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2235 dev
= qdev_device_add(opts
);
2238 object_unref(OBJECT(dev
));
2242 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2244 Error
*local_err
= NULL
;
2246 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2248 error_report("%s", error_get_pretty(local_err
));
2249 error_free(local_err
);
2255 #ifdef CONFIG_VIRTFS
2256 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2259 ret
= qemu_fsdev_add(opts
);
2265 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2267 CharDriverState
*chr
;
2268 const char *chardev
;
2272 mode
= qemu_opt_get(opts
, "mode");
2276 if (strcmp(mode
, "readline") == 0) {
2277 flags
= MONITOR_USE_READLINE
;
2278 } else if (strcmp(mode
, "control") == 0) {
2279 flags
= MONITOR_USE_CONTROL
;
2281 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2285 if (qemu_opt_get_bool(opts
, "pretty", 0))
2286 flags
|= MONITOR_USE_PRETTY
;
2288 if (qemu_opt_get_bool(opts
, "default", 0))
2289 flags
|= MONITOR_IS_DEFAULT
;
2291 chardev
= qemu_opt_get(opts
, "chardev");
2292 chr
= qemu_chr_find(chardev
);
2294 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2298 qemu_chr_fe_claim_no_fail(chr
);
2299 monitor_init(chr
, flags
);
2303 static void monitor_parse(const char *optarg
, const char *mode
)
2305 static int monitor_device_index
= 0;
2311 if (strstart(optarg
, "chardev:", &p
)) {
2312 snprintf(label
, sizeof(label
), "%s", p
);
2314 snprintf(label
, sizeof(label
), "compat_monitor%d",
2315 monitor_device_index
);
2316 if (monitor_device_index
== 0) {
2319 opts
= qemu_chr_parse_compat(label
, optarg
);
2321 fprintf(stderr
, "parse error: %s\n", optarg
);
2326 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2328 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2331 qemu_opt_set(opts
, "mode", mode
);
2332 qemu_opt_set(opts
, "chardev", label
);
2334 qemu_opt_set(opts
, "default", "on");
2335 monitor_device_index
++;
2338 struct device_config
{
2340 DEV_USB
, /* -usbdevice */
2342 DEV_SERIAL
, /* -serial */
2343 DEV_PARALLEL
, /* -parallel */
2344 DEV_VIRTCON
, /* -virtioconsole */
2345 DEV_DEBUGCON
, /* -debugcon */
2346 DEV_GDB
, /* -gdb, -s */
2347 DEV_SCLP
, /* s390 sclp */
2349 const char *cmdline
;
2351 QTAILQ_ENTRY(device_config
) next
;
2354 static QTAILQ_HEAD(, device_config
) device_configs
=
2355 QTAILQ_HEAD_INITIALIZER(device_configs
);
2357 static void add_device_config(int type
, const char *cmdline
)
2359 struct device_config
*conf
;
2361 conf
= g_malloc0(sizeof(*conf
));
2363 conf
->cmdline
= cmdline
;
2364 loc_save(&conf
->loc
);
2365 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2368 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2370 struct device_config
*conf
;
2373 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2374 if (conf
->type
!= type
)
2376 loc_push_restore(&conf
->loc
);
2377 rc
= func(conf
->cmdline
);
2378 loc_pop(&conf
->loc
);
2386 static int serial_parse(const char *devname
)
2388 static int index
= 0;
2391 if (strcmp(devname
, "none") == 0)
2393 if (index
== MAX_SERIAL_PORTS
) {
2394 fprintf(stderr
, "qemu: too many serial ports\n");
2397 snprintf(label
, sizeof(label
), "serial%d", index
);
2398 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2399 if (!serial_hds
[index
]) {
2400 fprintf(stderr
, "qemu: could not connect serial device"
2401 " to character backend '%s'\n", devname
);
2408 static int parallel_parse(const char *devname
)
2410 static int index
= 0;
2413 if (strcmp(devname
, "none") == 0)
2415 if (index
== MAX_PARALLEL_PORTS
) {
2416 fprintf(stderr
, "qemu: too many parallel ports\n");
2419 snprintf(label
, sizeof(label
), "parallel%d", index
);
2420 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2421 if (!parallel_hds
[index
]) {
2422 fprintf(stderr
, "qemu: could not connect parallel device"
2423 " to character backend '%s'\n", devname
);
2430 static int virtcon_parse(const char *devname
)
2432 QemuOptsList
*device
= qemu_find_opts("device");
2433 static int index
= 0;
2435 QemuOpts
*bus_opts
, *dev_opts
;
2437 if (strcmp(devname
, "none") == 0)
2439 if (index
== MAX_VIRTIO_CONSOLES
) {
2440 fprintf(stderr
, "qemu: too many virtio consoles\n");
2444 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2445 if (arch_type
== QEMU_ARCH_S390X
) {
2446 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2448 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2451 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2452 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2454 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2455 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2456 if (!virtcon_hds
[index
]) {
2457 fprintf(stderr
, "qemu: could not connect virtio console"
2458 " to character backend '%s'\n", devname
);
2461 qemu_opt_set(dev_opts
, "chardev", label
);
2467 static int sclp_parse(const char *devname
)
2469 QemuOptsList
*device
= qemu_find_opts("device");
2470 static int index
= 0;
2474 if (strcmp(devname
, "none") == 0) {
2477 if (index
== MAX_SCLP_CONSOLES
) {
2478 fprintf(stderr
, "qemu: too many sclp consoles\n");
2482 assert(arch_type
== QEMU_ARCH_S390X
);
2484 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2485 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2487 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2488 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2489 if (!sclp_hds
[index
]) {
2490 fprintf(stderr
, "qemu: could not connect sclp console"
2491 " to character backend '%s'\n", devname
);
2494 qemu_opt_set(dev_opts
, "chardev", label
);
2500 static int debugcon_parse(const char *devname
)
2504 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2507 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2509 fprintf(stderr
, "qemu: already have a debugcon device\n");
2512 qemu_opt_set(opts
, "driver", "isa-debugcon");
2513 qemu_opt_set(opts
, "chardev", "debugcon");
2517 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2519 const MachineClass
*mc1
= a
, *mc2
= b
;
2522 if (mc1
->family
== NULL
) {
2523 if (mc2
->family
== NULL
) {
2524 /* Compare standalone machine types against each other; they sort
2525 * in increasing order.
2527 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2528 object_class_get_name(OBJECT_CLASS(mc2
)));
2531 /* Standalone machine types sort after families. */
2535 if (mc2
->family
== NULL
) {
2536 /* Families sort before standalone machine types. */
2540 /* Families sort between each other alphabetically increasingly. */
2541 res
= strcmp(mc1
->family
, mc2
->family
);
2546 /* Within the same family, machine types sort in decreasing order. */
2547 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2548 object_class_get_name(OBJECT_CLASS(mc1
)));
2551 static MachineClass
*machine_parse(const char *name
)
2553 MachineClass
*mc
= NULL
;
2554 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2557 mc
= find_machine(name
);
2562 if (name
&& !is_help_option(name
)) {
2563 error_report("Unsupported machine type");
2564 error_printf("Use -machine help to list supported machines!\n");
2566 printf("Supported machines are:\n");
2567 machines
= g_slist_sort(machines
, machine_class_cmp
);
2568 for (el
= machines
; el
; el
= el
->next
) {
2569 MachineClass
*mc
= el
->data
;
2571 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2573 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2574 mc
->is_default
? " (default)" : "");
2578 g_slist_free(machines
);
2579 exit(!name
|| !is_help_option(name
));
2582 void qemu_add_exit_notifier(Notifier
*notify
)
2584 notifier_list_add(&exit_notifiers
, notify
);
2587 void qemu_remove_exit_notifier(Notifier
*notify
)
2589 notifier_remove(notify
);
2592 static void qemu_run_exit_notifiers(void)
2594 notifier_list_notify(&exit_notifiers
, NULL
);
2597 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2599 notifier_list_add(&machine_init_done_notifiers
, notify
);
2602 static void qemu_run_machine_init_done_notifiers(void)
2604 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2607 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2608 const char **poptarg
, int *poptind
)
2610 const QEMUOption
*popt
;
2611 int optind
= *poptind
;
2612 char *r
= argv
[optind
];
2615 loc_set_cmdline(argv
, optind
, 1);
2617 /* Treat --foo the same as -foo. */
2620 popt
= qemu_options
;
2623 error_report("invalid option");
2626 if (!strcmp(popt
->name
, r
+ 1))
2630 if (popt
->flags
& HAS_ARG
) {
2631 if (optind
>= argc
) {
2632 error_report("requires an argument");
2635 optarg
= argv
[optind
++];
2636 loc_set_cmdline(argv
, optind
- 2, 2);
2647 static gpointer
malloc_and_trace(gsize n_bytes
)
2649 void *ptr
= malloc(n_bytes
);
2650 trace_g_malloc(n_bytes
, ptr
);
2654 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2656 void *ptr
= realloc(mem
, n_bytes
);
2657 trace_g_realloc(mem
, n_bytes
, ptr
);
2661 static void free_and_trace(gpointer mem
)
2667 static int machine_set_property(const char *name
, const char *value
,
2670 Object
*obj
= OBJECT(opaque
);
2671 StringInputVisitor
*siv
;
2672 Error
*local_err
= NULL
;
2675 if (strcmp(name
, "type") == 0) {
2679 qom_name
= g_strdup(name
);
2687 siv
= string_input_visitor_new(value
);
2688 object_property_set(obj
, string_input_get_visitor(siv
), qom_name
, &local_err
);
2689 string_input_visitor_cleanup(siv
);
2693 qerror_report_err(local_err
);
2694 error_free(local_err
);
2701 static int object_create(QemuOpts
*opts
, void *opaque
)
2710 ov
= opts_visitor_new(opts
);
2711 pdict
= qemu_opts_to_qdict(opts
, NULL
);
2713 visit_start_struct(opts_get_visitor(ov
), &dummy
, NULL
, NULL
, 0, &err
);
2718 qdict_del(pdict
, "qom-type");
2719 visit_type_str(opts_get_visitor(ov
), &type
, "qom-type", &err
);
2724 qdict_del(pdict
, "id");
2725 visit_type_str(opts_get_visitor(ov
), &id
, "id", &err
);
2730 object_add(type
, id
, pdict
, opts_get_visitor(ov
), &err
);
2734 visit_end_struct(opts_get_visitor(ov
), &err
);
2736 qmp_object_del(id
, NULL
);
2740 opts_visitor_cleanup(ov
);
2747 qerror_report_err(err
);
2754 int main(int argc
, char **argv
, char **envp
)
2757 int snapshot
, linux_boot
;
2758 const char *initrd_filename
;
2759 const char *kernel_filename
, *kernel_cmdline
;
2760 const char *boot_order
;
2762 int cyls
, heads
, secs
, translation
;
2763 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
, *icount_opts
= NULL
;
2764 QemuOptsList
*olist
;
2767 const char *loadvm
= NULL
;
2768 MachineClass
*machine_class
;
2769 const char *cpu_model
;
2770 const char *vga_model
= NULL
;
2771 const char *qtest_chrdev
= NULL
;
2772 const char *qtest_log
= NULL
;
2773 const char *pid_file
= NULL
;
2774 const char *incoming
= NULL
;
2776 int show_vnc_port
= 0;
2778 bool defconfig
= true;
2779 bool userconfig
= true;
2780 const char *log_mask
= NULL
;
2781 const char *log_file
= NULL
;
2782 GMemVTable mem_trace
= {
2783 .malloc
= malloc_and_trace
,
2784 .realloc
= realloc_and_trace
,
2785 .free
= free_and_trace
,
2787 const char *trace_events
= NULL
;
2788 const char *trace_file
= NULL
;
2789 const ram_addr_t default_ram_size
= (ram_addr_t
)DEFAULT_RAM_SIZE
*
2791 ram_addr_t maxram_size
= default_ram_size
;
2792 uint64_t ram_slots
= 0;
2793 FILE *vmstate_dump_file
= NULL
;
2794 Error
*main_loop_err
= NULL
;
2796 atexit(qemu_run_exit_notifiers
);
2797 error_set_progname(argv
[0]);
2798 qemu_init_exec_dir(argv
[0]);
2800 g_mem_set_vtable(&mem_trace
);
2802 module_call_init(MODULE_INIT_QOM
);
2804 qemu_add_opts(&qemu_drive_opts
);
2805 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2806 qemu_add_drive_opts(&qemu_common_drive_opts
);
2807 qemu_add_drive_opts(&qemu_drive_opts
);
2808 qemu_add_opts(&qemu_chardev_opts
);
2809 qemu_add_opts(&qemu_device_opts
);
2810 qemu_add_opts(&qemu_netdev_opts
);
2811 qemu_add_opts(&qemu_net_opts
);
2812 qemu_add_opts(&qemu_rtc_opts
);
2813 qemu_add_opts(&qemu_global_opts
);
2814 qemu_add_opts(&qemu_mon_opts
);
2815 qemu_add_opts(&qemu_trace_opts
);
2816 qemu_add_opts(&qemu_option_rom_opts
);
2817 qemu_add_opts(&qemu_machine_opts
);
2818 qemu_add_opts(&qemu_mem_opts
);
2819 qemu_add_opts(&qemu_smp_opts
);
2820 qemu_add_opts(&qemu_boot_opts
);
2821 qemu_add_opts(&qemu_sandbox_opts
);
2822 qemu_add_opts(&qemu_add_fd_opts
);
2823 qemu_add_opts(&qemu_object_opts
);
2824 qemu_add_opts(&qemu_tpmdev_opts
);
2825 qemu_add_opts(&qemu_realtime_opts
);
2826 qemu_add_opts(&qemu_msg_opts
);
2827 qemu_add_opts(&qemu_name_opts
);
2828 qemu_add_opts(&qemu_numa_opts
);
2829 qemu_add_opts(&qemu_icount_opts
);
2830 qemu_add_opts(&qemu_semihosting_config_opts
);
2834 rtc_clock
= QEMU_CLOCK_HOST
;
2836 QLIST_INIT (&vm_change_state_head
);
2837 os_setup_early_signal_handling();
2839 module_call_init(MODULE_INIT_MACHINE
);
2840 machine_class
= find_default_machine();
2842 ram_size
= default_ram_size
;
2844 cyls
= heads
= secs
= 0;
2845 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2847 for (i
= 0; i
< MAX_NODES
; i
++) {
2848 numa_info
[i
].node_mem
= 0;
2849 numa_info
[i
].present
= false;
2850 bitmap_zero(numa_info
[i
].node_cpu
, MAX_CPUMASK_BITS
);
2854 max_numa_nodeid
= 0;
2857 bdrv_init_with_whitelist();
2861 /* first pass of option parsing */
2863 while (optind
< argc
) {
2864 if (argv
[optind
][0] != '-') {
2868 const QEMUOption
*popt
;
2870 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2871 switch (popt
->index
) {
2872 case QEMU_OPTION_nodefconfig
:
2875 case QEMU_OPTION_nouserconfig
:
2884 ret
= qemu_read_default_config_files(userconfig
);
2890 /* second pass of option parsing */
2895 if (argv
[optind
][0] != '-') {
2896 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2898 const QEMUOption
*popt
;
2900 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2901 if (!(popt
->arch_mask
& arch_type
)) {
2902 printf("Option %s not supported for this target\n", popt
->name
);
2905 switch(popt
->index
) {
2907 machine_class
= machine_parse(optarg
);
2909 case QEMU_OPTION_no_kvm_irqchip
: {
2910 olist
= qemu_find_opts("machine");
2911 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2914 case QEMU_OPTION_cpu
:
2915 /* hw initialization will check this */
2918 case QEMU_OPTION_hda
:
2922 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2924 snprintf(buf
, sizeof(buf
),
2925 "%s,cyls=%d,heads=%d,secs=%d%s",
2926 HD_OPTS
, cyls
, heads
, secs
,
2927 translation
== BIOS_ATA_TRANSLATION_LBA
?
2929 translation
== BIOS_ATA_TRANSLATION_NONE
?
2930 ",trans=none" : "");
2931 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2934 case QEMU_OPTION_hdb
:
2935 case QEMU_OPTION_hdc
:
2936 case QEMU_OPTION_hdd
:
2937 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2940 case QEMU_OPTION_drive
:
2941 if (drive_def(optarg
) == NULL
) {
2945 case QEMU_OPTION_set
:
2946 if (qemu_set_option(optarg
) != 0)
2949 case QEMU_OPTION_global
:
2950 if (qemu_global_option(optarg
) != 0)
2953 case QEMU_OPTION_mtdblock
:
2954 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2956 case QEMU_OPTION_sd
:
2957 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2959 case QEMU_OPTION_pflash
:
2960 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2962 case QEMU_OPTION_snapshot
:
2965 case QEMU_OPTION_hdachs
:
2969 cyls
= strtol(p
, (char **)&p
, 0);
2970 if (cyls
< 1 || cyls
> 16383)
2975 heads
= strtol(p
, (char **)&p
, 0);
2976 if (heads
< 1 || heads
> 16)
2981 secs
= strtol(p
, (char **)&p
, 0);
2982 if (secs
< 1 || secs
> 63)
2986 if (!strcmp(p
, "large")) {
2987 translation
= BIOS_ATA_TRANSLATION_LARGE
;
2988 } else if (!strcmp(p
, "rechs")) {
2989 translation
= BIOS_ATA_TRANSLATION_RECHS
;
2990 } else if (!strcmp(p
, "none")) {
2991 translation
= BIOS_ATA_TRANSLATION_NONE
;
2992 } else if (!strcmp(p
, "lba")) {
2993 translation
= BIOS_ATA_TRANSLATION_LBA
;
2994 } else if (!strcmp(p
, "auto")) {
2995 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2999 } else if (*p
!= '\0') {
3001 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3004 if (hda_opts
!= NULL
) {
3006 snprintf(num
, sizeof(num
), "%d", cyls
);
3007 qemu_opt_set(hda_opts
, "cyls", num
);
3008 snprintf(num
, sizeof(num
), "%d", heads
);
3009 qemu_opt_set(hda_opts
, "heads", num
);
3010 snprintf(num
, sizeof(num
), "%d", secs
);
3011 qemu_opt_set(hda_opts
, "secs", num
);
3012 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3013 qemu_opt_set(hda_opts
, "trans", "large");
3014 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3015 qemu_opt_set(hda_opts
, "trans", "rechs");
3016 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3017 qemu_opt_set(hda_opts
, "trans", "lba");
3018 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3019 qemu_opt_set(hda_opts
, "trans", "none");
3024 case QEMU_OPTION_numa
:
3025 opts
= qemu_opts_parse(qemu_find_opts("numa"), optarg
, 1);
3030 case QEMU_OPTION_display
:
3031 display_type
= select_display(optarg
);
3033 case QEMU_OPTION_nographic
:
3034 display_type
= DT_NOGRAPHIC
;
3036 case QEMU_OPTION_curses
:
3037 #ifdef CONFIG_CURSES
3038 display_type
= DT_CURSES
;
3040 fprintf(stderr
, "Curses support is disabled\n");
3044 case QEMU_OPTION_portrait
:
3045 graphic_rotate
= 90;
3047 case QEMU_OPTION_rotate
:
3048 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3049 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3050 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3052 "qemu: only 90, 180, 270 deg rotation is available\n");
3056 case QEMU_OPTION_kernel
:
3057 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3059 case QEMU_OPTION_initrd
:
3060 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3062 case QEMU_OPTION_append
:
3063 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3065 case QEMU_OPTION_dtb
:
3066 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3068 case QEMU_OPTION_cdrom
:
3069 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3071 case QEMU_OPTION_boot
:
3072 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3077 case QEMU_OPTION_fda
:
3078 case QEMU_OPTION_fdb
:
3079 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3082 case QEMU_OPTION_no_fd_bootchk
:
3085 case QEMU_OPTION_netdev
:
3086 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3090 case QEMU_OPTION_net
:
3091 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3095 #ifdef CONFIG_LIBISCSI
3096 case QEMU_OPTION_iscsi
:
3097 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3104 case QEMU_OPTION_tftp
:
3105 legacy_tftp_prefix
= optarg
;
3107 case QEMU_OPTION_bootp
:
3108 legacy_bootp_filename
= optarg
;
3110 case QEMU_OPTION_redir
:
3111 if (net_slirp_redir(optarg
) < 0)
3115 case QEMU_OPTION_bt
:
3116 add_device_config(DEV_BT
, optarg
);
3118 case QEMU_OPTION_audio_help
:
3122 case QEMU_OPTION_soundhw
:
3123 select_soundhw (optarg
);
3128 case QEMU_OPTION_version
:
3132 case QEMU_OPTION_m
: {
3134 const char *mem_str
;
3135 const char *maxmem_str
, *slots_str
;
3137 opts
= qemu_opts_parse(qemu_find_opts("memory"),
3143 mem_str
= qemu_opt_get(opts
, "size");
3145 error_report("invalid -m option, missing 'size' option");
3149 error_report("missing 'size' option value");
3153 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
3155 /* Fix up legacy suffix-less format */
3156 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
3157 uint64_t overflow_check
= sz
;
3160 if ((sz
>> 20) != overflow_check
) {
3161 error_report("too large 'size' option value");
3166 /* backward compatibility behaviour for case "-m 0" */
3168 sz
= default_ram_size
;
3171 sz
= QEMU_ALIGN_UP(sz
, 8192);
3173 if (ram_size
!= sz
) {
3174 error_report("ram size too large");
3177 maxram_size
= ram_size
;
3179 maxmem_str
= qemu_opt_get(opts
, "maxmem");
3180 slots_str
= qemu_opt_get(opts
, "slots");
3181 if (maxmem_str
&& slots_str
) {
3184 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
3185 if (sz
< ram_size
) {
3186 error_report("invalid -m option value: maxmem "
3187 "(0x%" PRIx64
") <= initial memory (0x"
3188 RAM_ADDR_FMT
")", sz
, ram_size
);
3192 slots
= qemu_opt_get_number(opts
, "slots", 0);
3193 if ((sz
> ram_size
) && !slots
) {
3194 error_report("invalid -m option value: maxmem "
3195 "(0x%" PRIx64
") more than initial memory (0x"
3196 RAM_ADDR_FMT
") but no hotplug slots where "
3197 "specified", sz
, ram_size
);
3201 if ((sz
<= ram_size
) && slots
) {
3202 error_report("invalid -m option value: %"
3203 PRIu64
" hotplug slots where specified but "
3204 "maxmem (0x%" PRIx64
") <= initial memory (0x"
3205 RAM_ADDR_FMT
")", slots
, sz
, ram_size
);
3210 } else if ((!maxmem_str
&& slots_str
) ||
3211 (maxmem_str
&& !slots_str
)) {
3212 error_report("invalid -m option value: missing "
3213 "'%s' option", slots_str
? "maxmem" : "slots");
3219 case QEMU_OPTION_tpmdev
:
3220 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3225 case QEMU_OPTION_mempath
:
3228 case QEMU_OPTION_mem_prealloc
:
3238 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3240 case QEMU_OPTION_gdb
:
3241 add_device_config(DEV_GDB
, optarg
);
3244 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3245 data_dir
[data_dir_idx
++] = optarg
;
3248 case QEMU_OPTION_bios
:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3251 case QEMU_OPTION_singlestep
:
3258 keyboard_layout
= optarg
;
3260 case QEMU_OPTION_localtime
:
3263 case QEMU_OPTION_vga
:
3272 w
= strtol(p
, (char **)&p
, 10);
3275 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3281 h
= strtol(p
, (char **)&p
, 10);
3286 depth
= strtol(p
, (char **)&p
, 10);
3287 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3288 depth
!= 24 && depth
!= 32)
3290 } else if (*p
== '\0') {
3291 depth
= graphic_depth
;
3298 graphic_depth
= depth
;
3301 case QEMU_OPTION_echr
:
3304 term_escape_char
= strtol(optarg
, &r
, 0);
3306 printf("Bad argument to echr\n");
3309 case QEMU_OPTION_monitor
:
3310 default_monitor
= 0;
3311 if (strncmp(optarg
, "none", 4)) {
3312 monitor_parse(optarg
, "readline");
3315 case QEMU_OPTION_qmp
:
3316 monitor_parse(optarg
, "control");
3317 default_monitor
= 0;
3319 case QEMU_OPTION_mon
:
3320 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3324 default_monitor
= 0;
3326 case QEMU_OPTION_chardev
:
3327 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3332 case QEMU_OPTION_fsdev
:
3333 olist
= qemu_find_opts("fsdev");
3335 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3338 opts
= qemu_opts_parse(olist
, optarg
, 1);
3343 case QEMU_OPTION_virtfs
: {
3346 const char *writeout
, *sock_fd
, *socket
;
3348 olist
= qemu_find_opts("virtfs");
3350 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3353 opts
= qemu_opts_parse(olist
, optarg
, 1);
3358 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3359 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3360 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3363 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3364 qemu_opt_get(opts
, "mount_tag"),
3367 fprintf(stderr
, "duplicate fsdev id: %s\n",
3368 qemu_opt_get(opts
, "mount_tag"));
3372 writeout
= qemu_opt_get(opts
, "writeout");
3374 #ifdef CONFIG_SYNC_FILE_RANGE
3375 qemu_opt_set(fsdev
, "writeout", writeout
);
3377 fprintf(stderr
, "writeout=immediate not supported on "
3382 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3383 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3384 qemu_opt_set(fsdev
, "security_model",
3385 qemu_opt_get(opts
, "security_model"));
3386 socket
= qemu_opt_get(opts
, "socket");
3388 qemu_opt_set(fsdev
, "socket", socket
);
3390 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3392 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3395 qemu_opt_set_bool(fsdev
, "readonly",
3396 qemu_opt_get_bool(opts
, "readonly", 0));
3397 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3399 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3400 qemu_opt_set(device
, "fsdev",
3401 qemu_opt_get(opts
, "mount_tag"));
3402 qemu_opt_set(device
, "mount_tag",
3403 qemu_opt_get(opts
, "mount_tag"));
3406 case QEMU_OPTION_virtfs_synth
: {
3410 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3413 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3416 qemu_opt_set(fsdev
, "fsdriver", "synth");
3418 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3420 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3421 qemu_opt_set(device
, "fsdev", "v_synth");
3422 qemu_opt_set(device
, "mount_tag", "v_synth");
3425 case QEMU_OPTION_serial
:
3426 add_device_config(DEV_SERIAL
, optarg
);
3428 if (strncmp(optarg
, "mon:", 4) == 0) {
3429 default_monitor
= 0;
3432 case QEMU_OPTION_watchdog
:
3435 "qemu: only one watchdog option may be given\n");
3440 case QEMU_OPTION_watchdog_action
:
3441 if (select_watchdog_action(optarg
) == -1) {
3442 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3446 case QEMU_OPTION_virtiocon
:
3447 add_device_config(DEV_VIRTCON
, optarg
);
3448 default_virtcon
= 0;
3449 if (strncmp(optarg
, "mon:", 4) == 0) {
3450 default_monitor
= 0;
3453 case QEMU_OPTION_parallel
:
3454 add_device_config(DEV_PARALLEL
, optarg
);
3455 default_parallel
= 0;
3456 if (strncmp(optarg
, "mon:", 4) == 0) {
3457 default_monitor
= 0;
3460 case QEMU_OPTION_debugcon
:
3461 add_device_config(DEV_DEBUGCON
, optarg
);
3463 case QEMU_OPTION_loadvm
:
3466 case QEMU_OPTION_full_screen
:
3469 case QEMU_OPTION_no_frame
:
3472 case QEMU_OPTION_alt_grab
:
3475 case QEMU_OPTION_ctrl_grab
:
3478 case QEMU_OPTION_no_quit
:
3481 case QEMU_OPTION_sdl
:
3483 display_type
= DT_SDL
;
3486 fprintf(stderr
, "SDL support is disabled\n");
3489 case QEMU_OPTION_pidfile
:
3492 case QEMU_OPTION_win2k_hack
:
3493 win2k_install_hack
= 1;
3495 case QEMU_OPTION_rtc_td_hack
: {
3496 static GlobalProperty slew_lost_ticks
[] = {
3498 .driver
= "mc146818rtc",
3499 .property
= "lost_tick_policy",
3502 { /* end of list */ }
3505 qdev_prop_register_global_list(slew_lost_ticks
);
3508 case QEMU_OPTION_acpitable
:
3509 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3513 do_acpitable_option(opts
);
3515 case QEMU_OPTION_smbios
:
3516 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3520 do_smbios_option(opts
);
3522 case QEMU_OPTION_enable_kvm
:
3523 olist
= qemu_find_opts("machine");
3524 qemu_opts_parse(olist
, "accel=kvm", 0);
3526 case QEMU_OPTION_machine
:
3527 olist
= qemu_find_opts("machine");
3528 opts
= qemu_opts_parse(olist
, optarg
, 1);
3532 optarg
= qemu_opt_get(opts
, "type");
3534 machine_class
= machine_parse(optarg
);
3537 case QEMU_OPTION_no_kvm
:
3538 olist
= qemu_find_opts("machine");
3539 qemu_opts_parse(olist
, "accel=tcg", 0);
3541 case QEMU_OPTION_no_kvm_pit
: {
3542 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3546 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3547 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3549 .driver
= "kvm-pit",
3550 .property
= "lost_tick_policy",
3553 { /* end of list */ }
3556 fprintf(stderr
, "Warning: option deprecated, use "
3557 "lost_tick_policy property of kvm-pit instead.\n");
3558 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3561 case QEMU_OPTION_usb
:
3562 olist
= qemu_find_opts("machine");
3563 qemu_opts_parse(olist
, "usb=on", 0);
3565 case QEMU_OPTION_usbdevice
:
3566 olist
= qemu_find_opts("machine");
3567 qemu_opts_parse(olist
, "usb=on", 0);
3568 add_device_config(DEV_USB
, optarg
);
3570 case QEMU_OPTION_device
:
3571 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3575 case QEMU_OPTION_smp
:
3576 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3580 case QEMU_OPTION_vnc
:
3583 vnc_display
= optarg
;
3585 fprintf(stderr
, "VNC support is disabled\n");
3589 case QEMU_OPTION_no_acpi
:
3592 case QEMU_OPTION_no_hpet
:
3595 case QEMU_OPTION_balloon
:
3596 if (balloon_parse(optarg
) < 0) {
3597 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3601 case QEMU_OPTION_no_reboot
:
3604 case QEMU_OPTION_no_shutdown
:
3607 case QEMU_OPTION_show_cursor
:
3610 case QEMU_OPTION_uuid
:
3611 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3612 fprintf(stderr
, "Fail to parse UUID string."
3613 " Wrong format.\n");
3616 qemu_uuid_set
= true;
3618 case QEMU_OPTION_option_rom
:
3619 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3620 fprintf(stderr
, "Too many option ROMs\n");
3623 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3627 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3628 option_rom
[nb_option_roms
].bootindex
=
3629 qemu_opt_get_number(opts
, "bootindex", -1);
3630 if (!option_rom
[nb_option_roms
].name
) {
3631 fprintf(stderr
, "Option ROM file is not specified\n");
3636 case QEMU_OPTION_semihosting
:
3637 semihosting_enabled
= 1;
3638 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3640 case QEMU_OPTION_semihosting_config
:
3641 semihosting_enabled
= 1;
3642 opts
= qemu_opts_parse(qemu_find_opts("semihosting-config"),
3645 semihosting_enabled
= qemu_opt_get_bool(opts
, "enable",
3647 const char *target
= qemu_opt_get(opts
, "target");
3648 if (target
!= NULL
) {
3649 if (strcmp("native", target
) == 0) {
3650 semihosting_target
= SEMIHOSTING_TARGET_NATIVE
;
3651 } else if (strcmp("gdb", target
) == 0) {
3652 semihosting_target
= SEMIHOSTING_TARGET_GDB
;
3653 } else if (strcmp("auto", target
) == 0) {
3654 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3656 fprintf(stderr
, "Unsupported semihosting-config"
3662 semihosting_target
= SEMIHOSTING_TARGET_AUTO
;
3665 fprintf(stderr
, "Unsupported semihosting-config %s\n",
3670 case QEMU_OPTION_tdf
:
3671 fprintf(stderr
, "Warning: user space PIT time drift fix "
3672 "is no longer supported.\n");
3674 case QEMU_OPTION_name
:
3675 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3680 case QEMU_OPTION_prom_env
:
3681 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3682 fprintf(stderr
, "Too many prom variables\n");
3685 prom_envs
[nb_prom_envs
] = optarg
;
3688 case QEMU_OPTION_old_param
:
3691 case QEMU_OPTION_clock
:
3692 /* Clock options no longer exist. Keep this option for
3693 * backward compatibility.
3696 case QEMU_OPTION_startdate
:
3697 configure_rtc_date_offset(optarg
, 1);
3699 case QEMU_OPTION_rtc
:
3700 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3704 configure_rtc(opts
);
3706 case QEMU_OPTION_tb_size
:
3707 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3708 if (tcg_tb_size
< 0) {
3712 case QEMU_OPTION_icount
:
3713 icount_opts
= qemu_opts_parse(qemu_find_opts("icount"),
3719 case QEMU_OPTION_incoming
:
3721 runstate_set(RUN_STATE_INMIGRATE
);
3723 case QEMU_OPTION_nodefaults
:
3726 case QEMU_OPTION_xen_domid
:
3727 if (!(xen_available())) {
3728 printf("Option %s not supported for this target\n", popt
->name
);
3731 xen_domid
= atoi(optarg
);
3733 case QEMU_OPTION_xen_create
:
3734 if (!(xen_available())) {
3735 printf("Option %s not supported for this target\n", popt
->name
);
3738 xen_mode
= XEN_CREATE
;
3740 case QEMU_OPTION_xen_attach
:
3741 if (!(xen_available())) {
3742 printf("Option %s not supported for this target\n", popt
->name
);
3745 xen_mode
= XEN_ATTACH
;
3747 case QEMU_OPTION_trace
:
3749 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3753 trace_events
= qemu_opt_get(opts
, "events");
3754 trace_file
= qemu_opt_get(opts
, "file");
3757 case QEMU_OPTION_readconfig
:
3759 int ret
= qemu_read_config_file(optarg
);
3761 fprintf(stderr
, "read config %s: %s\n", optarg
,
3767 case QEMU_OPTION_spice
:
3768 olist
= qemu_find_opts("spice");
3770 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3773 opts
= qemu_opts_parse(olist
, optarg
, 0);
3779 case QEMU_OPTION_writeconfig
:
3782 if (strcmp(optarg
, "-") == 0) {
3785 fp
= fopen(optarg
, "w");
3787 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3791 qemu_config_write(fp
);
3797 case QEMU_OPTION_qtest
:
3798 qtest_chrdev
= optarg
;
3800 case QEMU_OPTION_qtest_log
:
3803 case QEMU_OPTION_sandbox
:
3804 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3809 case QEMU_OPTION_add_fd
:
3811 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3816 error_report("File descriptor passing is disabled on this "
3821 case QEMU_OPTION_object
:
3822 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3827 case QEMU_OPTION_realtime
:
3828 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3832 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
3834 case QEMU_OPTION_msg
:
3835 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3839 configure_msg(opts
);
3841 case QEMU_OPTION_dump_vmstate
:
3842 if (vmstate_dump_file
) {
3843 fprintf(stderr
, "qemu: only one '-dump-vmstate' "
3844 "option may be given\n");
3847 vmstate_dump_file
= fopen(optarg
, "w");
3848 if (vmstate_dump_file
== NULL
) {
3849 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3854 os_parse_cmd_args(popt
->index
, optarg
);
3862 if (qemu_init_main_loop(&main_loop_err
)) {
3863 error_report("%s", error_get_pretty(main_loop_err
));
3867 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3871 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name
, NULL
, 1)) {
3876 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3880 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3885 if (machine_class
== NULL
) {
3886 fprintf(stderr
, "No machine specified, and there is no default.\n"
3887 "Use -machine help to list supported machines!\n");
3891 current_machine
= MACHINE(object_new(object_class_get_name(
3892 OBJECT_CLASS(machine_class
))));
3893 object_property_add_child(object_get_root(), "machine",
3894 OBJECT(current_machine
), &error_abort
);
3895 cpu_exec_init_all();
3897 if (machine_class
->hw_version
) {
3898 qemu_set_version(machine_class
->hw_version
);
3901 /* Init CPU def lists, based on config
3902 * - Must be called after all the qemu_read_config_file() calls
3903 * - Must be called before list_cpus()
3904 * - Must be called before machine->init()
3908 if (cpu_model
&& is_help_option(cpu_model
)) {
3909 list_cpus(stdout
, &fprintf
, cpu_model
);
3913 /* Open the logfile at this point, if necessary. We can't open the logfile
3914 * when encountering either of the logging options (-d or -D) because the
3915 * other one may be encountered later on the command line, changing the
3916 * location or level of logging.
3921 qemu_set_log_filename(log_file
);
3924 mask
= qemu_str_to_log_mask(log_mask
);
3926 qemu_print_log_usage(stdout
);
3932 if (!is_daemonized()) {
3933 if (!trace_init_backends(trace_events
, trace_file
)) {
3938 /* If no data_dir is specified then try to find it relative to the
3940 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3941 data_dir
[data_dir_idx
] = os_find_datadir();
3942 if (data_dir
[data_dir_idx
] != NULL
) {
3946 /* If all else fails use the install path specified when building. */
3947 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3948 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3951 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3953 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
3954 if (smp_cpus
> machine_class
->max_cpus
) {
3955 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3956 "supported by machine `%s' (%d)\n", smp_cpus
,
3957 machine_class
->name
, machine_class
->max_cpus
);
3962 * Get the default machine options from the machine if it is not already
3963 * specified either by the configuration file or by the command line.
3965 if (machine_class
->default_machine_opts
) {
3966 qemu_opts_set_defaults(qemu_find_opts("machine"),
3967 machine_class
->default_machine_opts
, 0);
3970 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3971 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3973 if (!vga_model
&& !default_vga
) {
3974 vga_interface_type
= VGA_DEVICE
;
3976 if (!has_defaults
|| machine_class
->no_serial
) {
3979 if (!has_defaults
|| machine_class
->no_parallel
) {
3980 default_parallel
= 0;
3982 if (!has_defaults
|| !machine_class
->use_virtcon
) {
3983 default_virtcon
= 0;
3985 if (!has_defaults
|| !machine_class
->use_sclp
) {
3988 if (!has_defaults
|| machine_class
->no_floppy
) {
3991 if (!has_defaults
|| machine_class
->no_cdrom
) {
3994 if (!has_defaults
|| machine_class
->no_sdcard
) {
3997 if (!has_defaults
) {
3998 default_monitor
= 0;
4003 if (is_daemonized()) {
4004 /* According to documentation and historically, -nographic redirects
4005 * serial port, parallel port and monitor to stdio, which does not work
4006 * with -daemonize. We can redirect these to null instead, but since
4007 * -nographic is legacy, let's just error out.
4008 * We disallow -nographic only if all other ports are not redirected
4009 * explicitly, to not break existing legacy setups which uses
4010 * -nographic _and_ redirects all ports explicitly - this is valid
4011 * usage, -nographic is just a no-op in this case.
4013 if (display_type
== DT_NOGRAPHIC
4014 && (default_parallel
|| default_serial
4015 || default_monitor
|| default_virtcon
)) {
4016 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4019 #ifdef CONFIG_CURSES
4020 if (display_type
== DT_CURSES
) {
4021 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4027 if (display_type
== DT_NOGRAPHIC
) {
4028 if (default_parallel
)
4029 add_device_config(DEV_PARALLEL
, "null");
4030 if (default_serial
&& default_monitor
) {
4031 add_device_config(DEV_SERIAL
, "mon:stdio");
4032 } else if (default_virtcon
&& default_monitor
) {
4033 add_device_config(DEV_VIRTCON
, "mon:stdio");
4034 } else if (default_sclp
&& default_monitor
) {
4035 add_device_config(DEV_SCLP
, "mon:stdio");
4038 add_device_config(DEV_SERIAL
, "stdio");
4039 if (default_virtcon
)
4040 add_device_config(DEV_VIRTCON
, "stdio");
4042 add_device_config(DEV_SCLP
, "stdio");
4044 if (default_monitor
)
4045 monitor_parse("stdio", "readline");
4049 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4050 if (default_parallel
)
4051 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4052 if (default_monitor
)
4053 monitor_parse("vc:80Cx24C", "readline");
4054 if (default_virtcon
)
4055 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4057 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4061 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4062 #if defined(CONFIG_GTK)
4063 display_type
= DT_GTK
;
4064 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4065 display_type
= DT_SDL
;
4066 #elif defined(CONFIG_VNC)
4067 vnc_display
= "localhost:0,to=99";
4070 display_type
= DT_NONE
;
4074 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4075 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4076 "for SDL, ignoring option\n");
4078 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4079 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4080 "ignoring option\n");
4083 #if defined(CONFIG_GTK)
4084 if (display_type
== DT_GTK
) {
4085 early_gtk_display_init();
4091 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4093 #ifdef CONFIG_VIRTFS
4094 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4099 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4100 fprintf(stderr
, "Could not acquire pid file: %s\n", strerror(errno
));
4104 /* store value for the future use */
4105 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size
);
4107 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4112 if (qemu_opts_foreach(qemu_find_opts("object"),
4113 object_create
, NULL
, 0) != 0) {
4117 machine_opts
= qemu_get_machine_opts();
4118 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4120 object_unref(OBJECT(current_machine
));
4124 configure_accelerator(current_machine
);
4127 Error
*local_err
= NULL
;
4128 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4130 error_report("%s", error_get_pretty(local_err
));
4131 error_free(local_err
);
4136 machine_opts
= qemu_get_machine_opts();
4137 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4138 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4139 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4140 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4142 boot_order
= machine_class
->default_boot_order
;
4143 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4145 char *normal_boot_order
;
4146 const char *order
, *once
;
4148 order
= qemu_opt_get(opts
, "order");
4150 validate_bootdevices(order
);
4154 once
= qemu_opt_get(opts
, "once");
4156 validate_bootdevices(once
);
4157 normal_boot_order
= g_strdup(boot_order
);
4159 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4162 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4163 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4166 if (!kernel_cmdline
) {
4167 kernel_cmdline
= "";
4168 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4171 linux_boot
= (kernel_filename
!= NULL
);
4173 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4174 fprintf(stderr
, "-append only allowed with -kernel option\n");
4178 if (!linux_boot
&& initrd_filename
!= NULL
) {
4179 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4183 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4184 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4188 os_set_line_buffering();
4190 qemu_init_cpu_loop();
4191 qemu_mutex_lock_iothread();
4194 /* spice needs the timers to be initialized by this point */
4200 if (kvm_enabled() || xen_enabled()) {
4201 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4204 configure_icount(icount_opts
, &error_abort
);
4205 qemu_opts_del(icount_opts
);
4208 /* clean up network at qemu process termination */
4209 atexit(&net_cleanup
);
4211 if (net_init_clients() < 0) {
4216 if (tpm_init() < 0) {
4221 /* init the bluetooth world */
4222 if (foreach_device_config(DEV_BT
, bt_parse
))
4225 if (!xen_enabled()) {
4226 /* On 32-bit hosts, QEMU is limited by virtual address space */
4227 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4228 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4236 /* If the currently selected machine wishes to override the units-per-bus
4237 * property of its default HBA interface type, do so now. */
4238 if (machine_class
->units_per_default_bus
) {
4239 override_max_devs(machine_class
->block_default_type
,
4240 machine_class
->units_per_default_bus
);
4243 /* open the virtual block devices */
4245 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4246 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4247 &machine_class
->block_default_type
, 1) != 0) {
4251 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4253 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4254 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4256 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func
,
4263 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4267 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4269 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4271 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4273 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4276 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4279 /* If no default VGA is requested, the default is "none". */
4281 if (machine_class
->default_display
) {
4282 vga_model
= machine_class
->default_display
;
4283 } else if (cirrus_vga_available()) {
4284 vga_model
= "cirrus";
4285 } else if (vga_available()) {
4290 select_vgahw(vga_model
);
4294 i
= select_watchdog(watchdog
);
4296 exit (i
== 1 ? 1 : 0);
4299 if (machine_class
->compat_props
) {
4300 qdev_prop_register_global_list(machine_class
->compat_props
);
4304 qdev_machine_init();
4306 current_machine
->ram_size
= ram_size
;
4307 current_machine
->maxram_size
= maxram_size
;
4308 current_machine
->ram_slots
= ram_slots
;
4309 current_machine
->boot_order
= boot_order
;
4310 current_machine
->cpu_model
= cpu_model
;
4312 machine_class
->init(current_machine
);
4318 cpu_synchronize_all_post_init();
4322 /* init USB devices */
4323 if (usb_enabled(false)) {
4324 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4328 /* init generic devices */
4329 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4332 /* Did we create any drives that we failed to create a device for? */
4333 drive_check_orphaned();
4335 net_check_clients();
4337 ds
= init_displaystate();
4339 /* init local displays */
4340 switch (display_type
) {
4342 (void)ds
; /* avoid warning if no display is configured */
4344 #if defined(CONFIG_CURSES)
4346 curses_display_init(ds
, full_screen
);
4349 #if defined(CONFIG_SDL)
4351 sdl_display_init(ds
, full_screen
, no_frame
);
4353 #elif defined(CONFIG_COCOA)
4355 cocoa_display_init(ds
, full_screen
);
4358 #if defined(CONFIG_GTK)
4360 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4367 /* must be after terminal init, SDL library changes signal handlers */
4368 os_setup_signal_handling();
4371 /* init remote displays */
4373 Error
*local_err
= NULL
;
4374 vnc_display_init(ds
);
4375 vnc_display_open(ds
, vnc_display
, &local_err
);
4376 if (local_err
!= NULL
) {
4377 error_report("Failed to start VNC server on `%s': %s",
4378 vnc_display
, error_get_pretty(local_err
));
4379 error_free(local_err
);
4383 if (show_vnc_port
) {
4384 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4390 qemu_spice_display_init();
4394 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4398 qdev_machine_creation_done();
4400 if (rom_load_all() != 0) {
4401 fprintf(stderr
, "rom loading failed\n");
4405 /* TODO: once all bus devices are qdevified, this should be done
4406 * when bus is created by qdev.c */
4407 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4408 qemu_run_machine_init_done_notifiers();
4410 /* Done notifiers can load ROMs */
4413 qemu_system_reset(VMRESET_SILENT
);
4415 if (load_vmstate(loadvm
) < 0) {
4420 qdev_prop_check_globals();
4421 if (vmstate_dump_file
) {
4423 dump_vmstate_json_to_file(vmstate_dump_file
);
4428 Error
*local_err
= NULL
;
4429 qemu_start_incoming_migration(incoming
, &local_err
);
4431 error_report("-incoming %s: %s", incoming
,
4432 error_get_pretty(local_err
));
4433 error_free(local_err
);
4436 } else if (autostart
) {
4442 if (is_daemonized()) {
4443 if (!trace_init_backends(trace_events
, trace_file
)) {