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
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
35 #if defined(__APPLE__) || defined(main)
36 #define SDL_MAIN_HANDLED
38 #if SDL_MAJOR_VERSION == 1
39 int qemu_main(int argc
, char **argv
);
40 int main(int argc
, char **argv
)
42 return qemu_main(argc
, argv
);
45 #define main qemu_main
46 #elif SDL_MAJOR_VERSION == 2
49 #error undefined SDL version
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
60 #include "qemu/error-report.h"
61 #include "qemu/sockets.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
66 #include "hw/isa/isa.h"
67 #include "hw/scsi/scsi.h"
68 #include "hw/display/vga.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/acpi/acpi.h"
73 #include "hw/xen/xen.h"
75 #include "hw/loader.h"
76 #include "monitor/qdev.h"
77 #include "sysemu/bt.h"
79 #include "net/slirp.h"
80 #include "monitor/monitor.h"
81 #include "ui/console.h"
83 #include "sysemu/sysemu.h"
84 #include "sysemu/numa.h"
85 #include "exec/gdbstub.h"
86 #include "qemu/timer.h"
87 #include "chardev/char.h"
88 #include "qemu/bitmap.h"
90 #include "sysemu/blockdev.h"
91 #include "hw/block/block.h"
92 #include "migration/misc.h"
93 #include "migration/snapshot.h"
94 #include "migration/global_state.h"
95 #include "sysemu/tpm.h"
96 #include "sysemu/dma.h"
97 #include "hw/audio/soundhw.h"
98 #include "audio/audio.h"
99 #include "sysemu/cpus.h"
100 #include "migration/colo.h"
101 #include "migration/postcopy-ram.h"
102 #include "sysemu/kvm.h"
103 #include "sysemu/hax.h"
104 #include "qapi/qobject-input-visitor.h"
105 #include "qemu/option.h"
106 #include "qemu/config-file.h"
107 #include "qemu-options.h"
108 #include "qemu/main-loop.h"
110 #include "fsdev/qemu-fsdev.h"
112 #include "sysemu/qtest.h"
114 #include "disas/disas.h"
117 #include "slirp/libslirp.h"
119 #include "trace-root.h"
120 #include "trace/control.h"
121 #include "qemu/queue.h"
122 #include "sysemu/arch_init.h"
124 #include "ui/qemu-spice.h"
125 #include "qapi/string-input-visitor.h"
126 #include "qapi/opts-visitor.h"
127 #include "qapi/clone-visitor.h"
128 #include "qom/object_interfaces.h"
129 #include "exec/semihost.h"
130 #include "crypto/init.h"
131 #include "sysemu/replay.h"
132 #include "qapi/qapi-events-run-state.h"
133 #include "qapi/qapi-visit-block-core.h"
134 #include "qapi/qapi-visit-ui.h"
135 #include "qapi/qapi-commands-block-core.h"
136 #include "qapi/qapi-commands-misc.h"
137 #include "qapi/qapi-commands-run-state.h"
138 #include "qapi/qmp/qerror.h"
139 #include "sysemu/iothread.h"
141 #define MAX_VIRTIO_CONSOLES 1
143 static const char *data_dir
[16];
144 static int data_dir_idx
;
145 const char *bios_name
= NULL
;
146 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
148 const char* keyboard_layout
= NULL
;
150 const char *mem_path
= NULL
;
151 int mem_prealloc
= 0; /* force preallocation of physical target memory */
152 bool enable_mlock
= false;
153 bool enable_cpu_pm
= false;
155 NICInfo nd_table
[MAX_NICS
];
157 static int rtc_utc
= 1;
158 static int rtc_date_offset
= -1; /* -1 means no change */
159 QEMUClockType rtc_clock
;
160 int vga_interface_type
= VGA_NONE
;
161 static DisplayOptions dpy
;
163 static int num_serial_hds
;
164 static Chardev
**serial_hds
;
165 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
166 Chardev
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
167 int win2k_install_hack
= 0;
170 unsigned int max_cpus
;
173 int acpi_enabled
= 1;
176 static int no_reboot
;
179 int graphic_rotate
= 0;
180 const char *watchdog
;
181 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
184 const char *qemu_name
;
187 unsigned int nb_prom_envs
= 0;
188 const char *prom_envs
[MAX_PROM_ENVS
];
191 uint8_t *boot_splash_filedata
;
192 size_t boot_splash_filedata_size
;
193 uint8_t qemu_extra_params_fw
[2];
195 int icount_align_option
;
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
203 /* Trace unassigned memory or i/o accesses. */
204 bool trace_unassigned
;
206 static NotifierList exit_notifiers
=
207 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
209 static NotifierList machine_init_done_notifiers
=
210 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
214 enum xen_mode xen_mode
= XEN_EMULATE
;
215 bool xen_domid_restrict
;
217 static int has_defaults
= 1;
218 static int default_serial
= 1;
219 static int default_parallel
= 1;
220 static int default_virtcon
= 1;
221 static int default_monitor
= 1;
222 static int default_floppy
= 1;
223 static int default_cdrom
= 1;
224 static int default_sdcard
= 1;
225 static int default_vga
= 1;
226 static int default_net
= 1;
232 { .driver
= "isa-serial", .flag
= &default_serial
},
233 { .driver
= "isa-parallel", .flag
= &default_parallel
},
234 { .driver
= "isa-fdc", .flag
= &default_floppy
},
235 { .driver
= "floppy", .flag
= &default_floppy
},
236 { .driver
= "ide-cd", .flag
= &default_cdrom
},
237 { .driver
= "ide-hd", .flag
= &default_cdrom
},
238 { .driver
= "ide-drive", .flag
= &default_cdrom
},
239 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
240 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
241 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
242 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
243 { .driver
= "VGA", .flag
= &default_vga
},
244 { .driver
= "isa-vga", .flag
= &default_vga
},
245 { .driver
= "cirrus-vga", .flag
= &default_vga
},
246 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
247 { .driver
= "vmware-svga", .flag
= &default_vga
},
248 { .driver
= "qxl-vga", .flag
= &default_vga
},
249 { .driver
= "virtio-vga", .flag
= &default_vga
},
252 static QemuOptsList qemu_rtc_opts
= {
254 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
258 .type
= QEMU_OPT_STRING
,
261 .type
= QEMU_OPT_STRING
,
264 .type
= QEMU_OPT_STRING
,
266 { /* end of list */ }
270 static QemuOptsList qemu_option_rom_opts
= {
271 .name
= "option-rom",
272 .implied_opt_name
= "romfile",
273 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
277 .type
= QEMU_OPT_NUMBER
,
280 .type
= QEMU_OPT_STRING
,
282 { /* end of list */ }
286 static QemuOptsList qemu_machine_opts
= {
288 .implied_opt_name
= "type",
290 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
293 * no elements => accept any
294 * sanity checking will happen later
295 * when setting machine properties
301 static QemuOptsList qemu_accel_opts
= {
303 .implied_opt_name
= "accel",
304 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
309 .type
= QEMU_OPT_STRING
,
310 .help
= "Select the type of accelerator",
314 .type
= QEMU_OPT_STRING
,
315 .help
= "Enable/disable multi-threaded TCG",
317 { /* end of list */ }
321 static QemuOptsList qemu_boot_opts
= {
323 .implied_opt_name
= "order",
325 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
329 .type
= QEMU_OPT_STRING
,
332 .type
= QEMU_OPT_STRING
,
335 .type
= QEMU_OPT_BOOL
,
338 .type
= QEMU_OPT_STRING
,
340 .name
= "splash-time",
341 .type
= QEMU_OPT_STRING
,
343 .name
= "reboot-timeout",
344 .type
= QEMU_OPT_STRING
,
347 .type
= QEMU_OPT_BOOL
,
353 static QemuOptsList qemu_add_fd_opts
= {
355 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "file descriptor of which a duplicate is added to fd set",
363 .type
= QEMU_OPT_NUMBER
,
364 .help
= "ID of the fd set to add fd to",
367 .type
= QEMU_OPT_STRING
,
368 .help
= "free-form string used to describe fd",
370 { /* end of list */ }
374 static QemuOptsList qemu_object_opts
= {
376 .implied_opt_name
= "qom-type",
377 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
383 static QemuOptsList qemu_tpmdev_opts
= {
385 .implied_opt_name
= "type",
386 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
388 /* options are defined in the TPM backends */
389 { /* end of list */ }
393 static QemuOptsList qemu_realtime_opts
= {
395 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
399 .type
= QEMU_OPT_BOOL
,
401 { /* end of list */ }
405 static QemuOptsList qemu_overcommit_opts
= {
406 .name
= "overcommit",
407 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
411 .type
= QEMU_OPT_BOOL
,
415 .type
= QEMU_OPT_BOOL
,
417 { /* end of list */ }
421 static QemuOptsList qemu_msg_opts
= {
423 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
427 .type
= QEMU_OPT_BOOL
,
429 { /* end of list */ }
433 static QemuOptsList qemu_name_opts
= {
435 .implied_opt_name
= "guest",
437 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
441 .type
= QEMU_OPT_STRING
,
442 .help
= "Sets the name of the guest.\n"
443 "This name will be displayed in the SDL window caption.\n"
444 "The name will also be used for the VNC server",
447 .type
= QEMU_OPT_STRING
,
448 .help
= "Sets the name of the QEMU process, as shown in top etc",
450 .name
= "debug-threads",
451 .type
= QEMU_OPT_BOOL
,
452 .help
= "When enabled, name the individual threads; defaults off.\n"
453 "NOTE: The thread names are for debugging and not a\n"
456 { /* End of list */ }
460 static QemuOptsList qemu_mem_opts
= {
462 .implied_opt_name
= "size",
463 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
468 .type
= QEMU_OPT_SIZE
,
472 .type
= QEMU_OPT_NUMBER
,
476 .type
= QEMU_OPT_SIZE
,
478 { /* end of list */ }
482 static QemuOptsList qemu_icount_opts
= {
484 .implied_opt_name
= "shift",
486 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
490 .type
= QEMU_OPT_STRING
,
493 .type
= QEMU_OPT_BOOL
,
496 .type
= QEMU_OPT_BOOL
,
499 .type
= QEMU_OPT_STRING
,
502 .type
= QEMU_OPT_STRING
,
504 .name
= "rrsnapshot",
505 .type
= QEMU_OPT_STRING
,
507 { /* end of list */ }
511 static QemuOptsList qemu_semihosting_config_opts
= {
512 .name
= "semihosting-config",
513 .implied_opt_name
= "enable",
514 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
518 .type
= QEMU_OPT_BOOL
,
521 .type
= QEMU_OPT_STRING
,
524 .type
= QEMU_OPT_STRING
,
526 { /* end of list */ }
530 static QemuOptsList qemu_fw_cfg_opts
= {
532 .implied_opt_name
= "name",
533 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
537 .type
= QEMU_OPT_STRING
,
538 .help
= "Sets the fw_cfg name of the blob to be inserted",
541 .type
= QEMU_OPT_STRING
,
542 .help
= "Sets the name of the file from which\n"
543 "the fw_cfg blob will be loaded",
546 .type
= QEMU_OPT_STRING
,
547 .help
= "Sets content of the blob to be inserted from a string",
549 { /* end of list */ }
554 * Get machine options
556 * Returns: machine options (never null).
558 QemuOpts
*qemu_get_machine_opts(void)
560 return qemu_find_opts_singleton("machine");
563 const char *qemu_get_vm_name(void)
568 static void res_free(void)
570 g_free(boot_splash_filedata
);
571 boot_splash_filedata
= NULL
;
574 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
576 const char *driver
= qemu_opt_get(opts
, "driver");
581 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
582 if (strcmp(default_list
[i
].driver
, driver
) != 0)
584 *(default_list
[i
].flag
) = 0;
589 /***********************************************************/
592 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
594 /* We use RUN_STATE__MAX but any invalid value will do */
595 static RunState vmstop_requested
= RUN_STATE__MAX
;
596 static QemuMutex vmstop_lock
;
601 } RunStateTransition
;
603 static const RunStateTransition runstate_transitions_def
[] = {
605 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
606 /* Early switch to inmigrate state to allow -incoming CLI option work
607 * as it used to. TODO: delay actual switching to inmigrate state to
608 * the point after machine is built and remove this hack.
610 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
612 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
613 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
616 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
617 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
618 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
619 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
620 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
621 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
622 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
623 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
624 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
625 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
626 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
627 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
629 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
630 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
631 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
633 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
634 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
635 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
637 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
638 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
639 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
640 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
641 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
643 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
644 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
645 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
647 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
648 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
649 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
651 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
652 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
653 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
654 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
655 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
657 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
658 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
660 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
662 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
663 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
664 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
665 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
666 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
667 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
668 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
669 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
670 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
671 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
672 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
674 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
676 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
677 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
678 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
680 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
681 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
682 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
683 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
684 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
685 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
687 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
688 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
689 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
690 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
692 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
693 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
694 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
696 { RUN_STATE__MAX
, RUN_STATE__MAX
},
699 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
701 bool runstate_check(RunState state
)
703 return current_run_state
== state
;
706 bool runstate_store(char *str
, size_t size
)
708 const char *state
= RunState_str(current_run_state
);
709 size_t len
= strlen(state
) + 1;
714 memcpy(str
, state
, len
);
718 static void runstate_init(void)
720 const RunStateTransition
*p
;
722 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
723 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
724 runstate_valid_transitions
[p
->from
][p
->to
] = true;
727 qemu_mutex_init(&vmstop_lock
);
730 /* This function will abort() on invalid state transitions */
731 void runstate_set(RunState new_state
)
733 assert(new_state
< RUN_STATE__MAX
);
735 if (current_run_state
== new_state
) {
739 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
740 error_report("invalid runstate transition: '%s' -> '%s'",
741 RunState_str(current_run_state
),
742 RunState_str(new_state
));
745 trace_runstate_set(new_state
);
746 current_run_state
= new_state
;
749 int runstate_is_running(void)
751 return runstate_check(RUN_STATE_RUNNING
);
754 bool runstate_needs_reset(void)
756 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
757 runstate_check(RUN_STATE_SHUTDOWN
);
760 StatusInfo
*qmp_query_status(Error
**errp
)
762 StatusInfo
*info
= g_malloc0(sizeof(*info
));
764 info
->running
= runstate_is_running();
765 info
->singlestep
= singlestep
;
766 info
->status
= current_run_state
;
771 bool qemu_vmstop_requested(RunState
*r
)
773 qemu_mutex_lock(&vmstop_lock
);
774 *r
= vmstop_requested
;
775 vmstop_requested
= RUN_STATE__MAX
;
776 qemu_mutex_unlock(&vmstop_lock
);
777 return *r
< RUN_STATE__MAX
;
780 void qemu_system_vmstop_request_prepare(void)
782 qemu_mutex_lock(&vmstop_lock
);
785 void qemu_system_vmstop_request(RunState state
)
787 vmstop_requested
= state
;
788 qemu_mutex_unlock(&vmstop_lock
);
792 /***********************************************************/
793 /* real time host monotonic timer */
795 static time_t qemu_time(void)
797 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
800 /***********************************************************/
801 /* host time/date access */
802 void qemu_get_timedate(struct tm
*tm
, int offset
)
804 time_t ti
= qemu_time();
807 if (rtc_date_offset
== -1) {
811 localtime_r(&ti
, tm
);
813 ti
-= rtc_date_offset
;
818 int qemu_timedate_diff(struct tm
*tm
)
822 if (rtc_date_offset
== -1)
824 seconds
= mktimegm(tm
);
827 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
828 seconds
= mktime(&tmp
);
831 seconds
= mktimegm(tm
) + rtc_date_offset
;
833 return seconds
- qemu_time();
836 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
838 time_t rtc_start_date
;
841 if (!strcmp(startdate
, "now") && legacy
) {
842 rtc_date_offset
= -1;
844 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
852 } else if (sscanf(startdate
, "%d-%d-%d",
864 rtc_start_date
= mktimegm(&tm
);
865 if (rtc_start_date
== -1) {
867 error_report("invalid date format");
868 error_printf("valid formats: "
869 "'2006-06-17T16:01:21' or '2006-06-17'\n");
872 rtc_date_offset
= qemu_time() - rtc_start_date
;
876 static void configure_rtc(QemuOpts
*opts
)
880 value
= qemu_opt_get(opts
, "base");
882 if (!strcmp(value
, "utc")) {
884 } else if (!strcmp(value
, "localtime")) {
885 Error
*blocker
= NULL
;
887 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
888 "-rtc base=localtime");
889 replay_add_blocker(blocker
);
891 configure_rtc_date_offset(value
, 0);
894 value
= qemu_opt_get(opts
, "clock");
896 if (!strcmp(value
, "host")) {
897 rtc_clock
= QEMU_CLOCK_HOST
;
898 } else if (!strcmp(value
, "rt")) {
899 rtc_clock
= QEMU_CLOCK_REALTIME
;
900 } else if (!strcmp(value
, "vm")) {
901 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
903 error_report("invalid option value '%s'", value
);
907 value
= qemu_opt_get(opts
, "driftfix");
909 if (!strcmp(value
, "slew")) {
910 static GlobalProperty slew_lost_ticks
= {
911 .driver
= "mc146818rtc",
912 .property
= "lost_tick_policy",
916 qdev_prop_register_global(&slew_lost_ticks
);
917 } else if (!strcmp(value
, "none")) {
918 /* discard is default */
920 error_report("invalid option value '%s'", value
);
926 /***********************************************************/
927 /* Bluetooth support */
930 static struct HCIInfo
*hci_table
[MAX_NICS
];
932 struct HCIInfo
*qemu_next_hci(void)
934 if (cur_hci
== nb_hcis
)
937 return hci_table
[cur_hci
++];
940 static int bt_hci_parse(const char *str
)
945 if (nb_hcis
>= MAX_NICS
) {
946 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
959 bdaddr
.b
[5] = 0x56 + nb_hcis
;
960 hci
->bdaddr_set(hci
, bdaddr
.b
);
962 hci_table
[nb_hcis
++] = hci
;
967 static void bt_vhci_add(int vlan_id
)
969 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
972 warn_report("adding a VHCI to an empty scatternet %i",
975 bt_vhci_init(bt_new_hci(vlan
));
978 static struct bt_device_s
*bt_device_add(const char *opt
)
980 struct bt_scatternet_s
*vlan
;
982 char *endp
= strstr(opt
, ",vlan=");
983 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
986 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
989 vlan_id
= strtol(endp
+ 6, &endp
, 0);
991 error_report("unrecognised bluetooth vlan Id");
996 vlan
= qemu_find_bt_vlan(vlan_id
);
999 warn_report("adding a slave device to an empty scatternet %i",
1002 if (!strcmp(devname
, "keyboard"))
1003 return bt_keyboard_init(vlan
);
1005 error_report("unsupported bluetooth device '%s'", devname
);
1009 static int bt_parse(const char *opt
)
1011 const char *endp
, *p
;
1014 if (strstart(opt
, "hci", &endp
)) {
1015 if (!*endp
|| *endp
== ',') {
1017 if (!strstart(endp
, ",vlan=", 0))
1020 return bt_hci_parse(opt
);
1022 } else if (strstart(opt
, "vhci", &endp
)) {
1023 if (!*endp
|| *endp
== ',') {
1025 if (strstart(endp
, ",vlan=", &p
)) {
1026 vlan
= strtol(p
, (char **) &endp
, 0);
1028 error_report("bad scatternet '%s'", p
);
1032 error_report("bad parameter '%s'", endp
+ 1);
1041 } else if (strstart(opt
, "device:", &endp
))
1042 return !bt_device_add(endp
);
1044 error_report("bad bluetooth parameter '%s'", opt
);
1048 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1050 const char *proc_name
;
1052 if (qemu_opt_get(opts
, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1055 qemu_name
= qemu_opt_get(opts
, "guest");
1057 proc_name
= qemu_opt_get(opts
, "process");
1059 os_set_proc_name(proc_name
);
1065 bool defaults_enabled(void)
1067 return has_defaults
;
1071 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1073 int fd
, dupfd
, flags
;
1075 const char *fd_opaque
= NULL
;
1078 fd
= qemu_opt_get_number(opts
, "fd", -1);
1079 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1080 fd_opaque
= qemu_opt_get(opts
, "opaque");
1083 error_report("fd option is required and must be non-negative");
1087 if (fd
<= STDERR_FILENO
) {
1088 error_report("fd cannot be a standard I/O stream");
1093 * All fds inherited across exec() necessarily have FD_CLOEXEC
1094 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1096 flags
= fcntl(fd
, F_GETFD
);
1097 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1098 error_report("fd is not valid or already in use");
1103 error_report("set option is required and must be non-negative");
1107 #ifdef F_DUPFD_CLOEXEC
1108 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1112 qemu_set_cloexec(dupfd
);
1116 error_report("error duplicating fd: %s", strerror(errno
));
1120 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1121 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1128 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1132 fd
= qemu_opt_get_number(opts
, "fd", -1);
1139 /***********************************************************/
1140 /* QEMU Block devices */
1142 #define HD_OPTS "media=disk"
1143 #define CDROM_OPTS "media=cdrom"
1145 #define PFLASH_OPTS ""
1149 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1151 BlockInterfaceType
*block_default_type
= opaque
;
1153 return drive_new(opts
, *block_default_type
) == NULL
;
1156 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1158 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1159 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1164 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1165 int index
, const char *optstr
)
1170 if (!enable
|| drive_get_by_index(type
, index
)) {
1174 opts
= drive_add(type
, index
, NULL
, optstr
);
1176 drive_enable_snapshot(NULL
, opts
, NULL
);
1179 dinfo
= drive_new(opts
, type
);
1183 dinfo
->is_default
= true;
1187 static QemuOptsList qemu_smp_opts
= {
1189 .implied_opt_name
= "cpus",
1190 .merge_lists
= true,
1191 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1195 .type
= QEMU_OPT_NUMBER
,
1198 .type
= QEMU_OPT_NUMBER
,
1201 .type
= QEMU_OPT_NUMBER
,
1204 .type
= QEMU_OPT_NUMBER
,
1207 .type
= QEMU_OPT_NUMBER
,
1209 { /*End of list */ }
1213 static void smp_parse(QemuOpts
*opts
)
1216 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1217 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1218 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1219 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1221 /* compute missing values, prefer sockets over cores over threads */
1222 if (cpus
== 0 || sockets
== 0) {
1223 sockets
= sockets
> 0 ? sockets
: 1;
1224 cores
= cores
> 0 ? cores
: 1;
1225 threads
= threads
> 0 ? threads
: 1;
1227 cpus
= cores
* threads
* sockets
;
1229 } else if (cores
== 0) {
1230 threads
= threads
> 0 ? threads
: 1;
1231 cores
= cpus
/ (sockets
* threads
);
1232 cores
= cores
> 0 ? cores
: 1;
1233 } else if (threads
== 0) {
1234 threads
= cpus
/ (cores
* sockets
);
1235 threads
= threads
> 0 ? threads
: 1;
1236 } else if (sockets
* cores
* threads
< cpus
) {
1237 error_report("cpu topology: "
1238 "sockets (%u) * cores (%u) * threads (%u) < "
1240 sockets
, cores
, threads
, cpus
);
1244 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1246 if (max_cpus
< cpus
) {
1247 error_report("maxcpus must be equal to or greater than smp");
1251 if (sockets
* cores
* threads
> max_cpus
) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) > "
1255 sockets
, cores
, threads
, max_cpus
);
1261 smp_threads
= threads
;
1265 Error
*blocker
= NULL
;
1266 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1267 replay_add_blocker(blocker
);
1271 static void realtime_init(void)
1274 if (os_mlock() < 0) {
1275 error_report("locking memory failed");
1282 static void configure_msg(QemuOpts
*opts
)
1284 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1287 /***********************************************************/
1290 typedef struct SemihostingConfig
{
1292 SemihostingTarget target
;
1295 const char *cmdline
; /* concatenated argv */
1296 } SemihostingConfig
;
1298 static SemihostingConfig semihosting
;
1300 bool semihosting_enabled(void)
1302 return semihosting
.enabled
;
1305 SemihostingTarget
semihosting_get_target(void)
1307 return semihosting
.target
;
1310 const char *semihosting_get_arg(int i
)
1312 if (i
>= semihosting
.argc
) {
1315 return semihosting
.argv
[i
];
1318 int semihosting_get_argc(void)
1320 return semihosting
.argc
;
1323 const char *semihosting_get_cmdline(void)
1325 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1326 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1328 return semihosting
.cmdline
;
1331 static int add_semihosting_arg(void *opaque
,
1332 const char *name
, const char *val
,
1335 SemihostingConfig
*s
= opaque
;
1336 if (strcmp(name
, "arg") == 0) {
1338 /* one extra element as g_strjoinv() expects NULL-terminated array */
1339 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1340 s
->argv
[s
->argc
- 1] = val
;
1341 s
->argv
[s
->argc
] = NULL
;
1346 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1347 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1352 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1354 /* split -append and initialize argv[1..n] */
1355 cmd_token
= strtok(g_strdup(cmd
), " ");
1357 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1358 cmd_token
= strtok(NULL
, " ");
1362 /* Now we still need this for compatibility with XEN. */
1363 bool has_igd_gfx_passthru
;
1364 static void igd_gfx_passthru(void)
1366 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1369 /***********************************************************/
1372 static int usb_device_add(const char *devname
)
1374 USBDevice
*dev
= NULL
;
1376 if (!machine_usb(current_machine
)) {
1380 dev
= usbdevice_create(devname
);
1387 static int usb_parse(const char *cmdline
)
1390 r
= usb_device_add(cmdline
);
1392 error_report("could not add USB device '%s'", cmdline
);
1397 /***********************************************************/
1398 /* machine registration */
1400 MachineState
*current_machine
;
1402 static MachineClass
*find_machine(const char *name
)
1404 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1405 MachineClass
*mc
= NULL
;
1407 for (el
= machines
; el
; el
= el
->next
) {
1408 MachineClass
*temp
= el
->data
;
1410 if (!strcmp(temp
->name
, name
)) {
1415 !strcmp(temp
->alias
, name
)) {
1421 g_slist_free(machines
);
1425 MachineClass
*find_default_machine(void)
1427 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1428 MachineClass
*mc
= NULL
;
1430 for (el
= machines
; el
; el
= el
->next
) {
1431 MachineClass
*temp
= el
->data
;
1433 if (temp
->is_default
) {
1439 g_slist_free(machines
);
1443 MachineInfoList
*qmp_query_machines(Error
**errp
)
1445 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1446 MachineInfoList
*mach_list
= NULL
;
1448 for (el
= machines
; el
; el
= el
->next
) {
1449 MachineClass
*mc
= el
->data
;
1450 MachineInfoList
*entry
;
1453 info
= g_malloc0(sizeof(*info
));
1454 if (mc
->is_default
) {
1455 info
->has_is_default
= true;
1456 info
->is_default
= true;
1460 info
->has_alias
= true;
1461 info
->alias
= g_strdup(mc
->alias
);
1464 info
->name
= g_strdup(mc
->name
);
1465 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1466 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1468 entry
= g_malloc0(sizeof(*entry
));
1469 entry
->value
= info
;
1470 entry
->next
= mach_list
;
1474 g_slist_free(machines
);
1478 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1480 ObjectProperty
*prop
;
1481 ObjectPropertyIterator iter
;
1483 if (!qemu_opt_has_help_opt(opts
)) {
1487 object_property_iter_init(&iter
, OBJECT(machine
));
1488 while ((prop
= object_property_iter_next(&iter
))) {
1493 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1494 prop
->name
, prop
->type
);
1495 if (prop
->description
) {
1496 error_printf(" (%s)\n", prop
->description
);
1505 /***********************************************************/
1506 /* main execution loop */
1508 struct vm_change_state_entry
{
1509 VMChangeStateHandler
*cb
;
1511 QLIST_ENTRY (vm_change_state_entry
) entries
;
1514 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1516 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1519 VMChangeStateEntry
*e
;
1521 e
= g_malloc0(sizeof (*e
));
1525 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1529 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1531 QLIST_REMOVE (e
, entries
);
1535 void vm_state_notify(int running
, RunState state
)
1537 VMChangeStateEntry
*e
, *next
;
1539 trace_vm_state_notify(running
, state
);
1541 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1542 e
->cb(e
->opaque
, running
, state
);
1546 static ShutdownCause reset_requested
;
1547 static ShutdownCause shutdown_requested
;
1548 static int shutdown_signal
;
1549 static pid_t shutdown_pid
;
1550 static int powerdown_requested
;
1551 static int debug_requested
;
1552 static int suspend_requested
;
1553 static bool preconfig_exit_requested
= true;
1554 static WakeupReason wakeup_reason
;
1555 static NotifierList powerdown_notifiers
=
1556 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1557 static NotifierList suspend_notifiers
=
1558 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1559 static NotifierList wakeup_notifiers
=
1560 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1561 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1563 ShutdownCause
qemu_shutdown_requested_get(void)
1565 return shutdown_requested
;
1568 ShutdownCause
qemu_reset_requested_get(void)
1570 return reset_requested
;
1573 static int qemu_shutdown_requested(void)
1575 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1578 static void qemu_kill_report(void)
1580 if (!qtest_driver() && shutdown_signal
) {
1581 if (shutdown_pid
== 0) {
1582 /* This happens for eg ^C at the terminal, so it's worth
1583 * avoiding printing an odd message in that case.
1585 error_report("terminating on signal %d", shutdown_signal
);
1587 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1589 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1590 shutdown_signal
, shutdown_pid
,
1591 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1592 g_free(shutdown_cmd
);
1594 shutdown_signal
= 0;
1598 static ShutdownCause
qemu_reset_requested(void)
1600 ShutdownCause r
= reset_requested
;
1602 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1603 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1606 return SHUTDOWN_CAUSE_NONE
;
1609 static int qemu_suspend_requested(void)
1611 int r
= suspend_requested
;
1612 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1613 suspend_requested
= 0;
1619 static WakeupReason
qemu_wakeup_requested(void)
1621 return wakeup_reason
;
1624 static int qemu_powerdown_requested(void)
1626 int r
= powerdown_requested
;
1627 powerdown_requested
= 0;
1631 static int qemu_debug_requested(void)
1633 int r
= debug_requested
;
1634 debug_requested
= 0;
1638 void qemu_exit_preconfig_request(void)
1640 preconfig_exit_requested
= true;
1644 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1646 void qemu_system_reset(ShutdownCause reason
)
1650 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1652 cpu_synchronize_all_states();
1654 if (mc
&& mc
->reset
) {
1657 qemu_devices_reset();
1659 if (reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1660 qapi_event_send_reset(shutdown_caused_by_guest(reason
),
1663 cpu_synchronize_all_post_reset();
1666 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1668 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1671 current_cpu
->crash_occurred
= true;
1673 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1674 !!info
, info
, &error_abort
);
1675 vm_stop(RUN_STATE_GUEST_PANICKED
);
1677 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1678 !!info
, info
, &error_abort
);
1679 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1683 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1684 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1685 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1686 info
->u
.hyper_v
.arg1
,
1687 info
->u
.hyper_v
.arg2
,
1688 info
->u
.hyper_v
.arg3
,
1689 info
->u
.hyper_v
.arg4
,
1690 info
->u
.hyper_v
.arg5
);
1691 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1692 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1693 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1695 S390CrashReason_str(info
->u
.s390
.reason
),
1696 info
->u
.s390
.psw_mask
,
1697 info
->u
.s390
.psw_addr
);
1699 qapi_free_GuestPanicInformation(info
);
1703 void qemu_system_reset_request(ShutdownCause reason
)
1705 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1706 shutdown_requested
= reason
;
1708 reset_requested
= reason
;
1711 qemu_notify_event();
1714 static void qemu_system_suspend(void)
1717 notifier_list_notify(&suspend_notifiers
, NULL
);
1718 runstate_set(RUN_STATE_SUSPENDED
);
1719 qapi_event_send_suspend(&error_abort
);
1722 void qemu_system_suspend_request(void)
1724 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1727 suspend_requested
= 1;
1729 qemu_notify_event();
1732 void qemu_register_suspend_notifier(Notifier
*notifier
)
1734 notifier_list_add(&suspend_notifiers
, notifier
);
1737 void qemu_system_wakeup_request(WakeupReason reason
)
1739 trace_system_wakeup_request(reason
);
1741 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1744 if (!(wakeup_reason_mask
& (1 << reason
))) {
1747 runstate_set(RUN_STATE_RUNNING
);
1748 wakeup_reason
= reason
;
1749 qemu_notify_event();
1752 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1755 wakeup_reason_mask
|= (1 << reason
);
1757 wakeup_reason_mask
&= ~(1 << reason
);
1761 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1763 notifier_list_add(&wakeup_notifiers
, notifier
);
1766 void qemu_system_killed(int signal
, pid_t pid
)
1768 shutdown_signal
= signal
;
1772 /* Cannot call qemu_system_shutdown_request directly because
1773 * we are in a signal handler.
1775 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1776 qemu_notify_event();
1779 void qemu_system_shutdown_request(ShutdownCause reason
)
1781 trace_qemu_system_shutdown_request(reason
);
1782 replay_shutdown_request(reason
);
1783 shutdown_requested
= reason
;
1784 qemu_notify_event();
1787 static void qemu_system_powerdown(void)
1789 qapi_event_send_powerdown(&error_abort
);
1790 notifier_list_notify(&powerdown_notifiers
, NULL
);
1793 void qemu_system_powerdown_request(void)
1795 trace_qemu_system_powerdown_request();
1796 powerdown_requested
= 1;
1797 qemu_notify_event();
1800 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1802 notifier_list_add(&powerdown_notifiers
, notifier
);
1805 void qemu_system_debug_request(void)
1807 debug_requested
= 1;
1808 qemu_notify_event();
1811 static bool main_loop_should_exit(void)
1814 ShutdownCause request
;
1816 if (preconfig_exit_requested
) {
1817 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1818 runstate_set(RUN_STATE_PRELAUNCH
);
1820 preconfig_exit_requested
= false;
1823 if (qemu_debug_requested()) {
1824 vm_stop(RUN_STATE_DEBUG
);
1826 if (qemu_suspend_requested()) {
1827 qemu_system_suspend();
1829 request
= qemu_shutdown_requested();
1832 qapi_event_send_shutdown(shutdown_caused_by_guest(request
),
1835 vm_stop(RUN_STATE_SHUTDOWN
);
1840 request
= qemu_reset_requested();
1843 qemu_system_reset(request
);
1845 if (!runstate_check(RUN_STATE_RUNNING
) &&
1846 !runstate_check(RUN_STATE_INMIGRATE
)) {
1847 runstate_set(RUN_STATE_PRELAUNCH
);
1850 if (qemu_wakeup_requested()) {
1852 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1853 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1854 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1856 qapi_event_send_wakeup(&error_abort
);
1858 if (qemu_powerdown_requested()) {
1859 qemu_system_powerdown();
1861 if (qemu_vmstop_requested(&r
)) {
1867 static void main_loop(void)
1869 #ifdef CONFIG_PROFILER
1872 while (!main_loop_should_exit()) {
1873 #ifdef CONFIG_PROFILER
1874 ti
= profile_getclock();
1876 main_loop_wait(false);
1877 #ifdef CONFIG_PROFILER
1878 dev_time
+= profile_getclock() - ti
;
1883 static void version(void)
1885 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1886 QEMU_COPYRIGHT
"\n");
1889 static void QEMU_NORETURN
help(int exitcode
)
1892 printf("usage: %s [options] [disk_image]\n\n"
1893 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1894 error_get_progname());
1896 #define QEMU_OPTIONS_GENERATE_HELP
1897 #include "qemu-options-wrapper.h"
1899 printf("\nDuring emulation, the following keys are useful:\n"
1900 "ctrl-alt-f toggle full screen\n"
1901 "ctrl-alt-n switch to virtual console 'n'\n"
1902 "ctrl-alt toggle mouse and keyboard grab\n"
1904 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1906 QEMU_HELP_BOTTOM
"\n");
1911 #define HAS_ARG 0x0001
1913 typedef struct QEMUOption
{
1920 static const QEMUOption qemu_options
[] = {
1921 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1922 #define QEMU_OPTIONS_GENERATE_OPTIONS
1923 #include "qemu-options-wrapper.h"
1927 typedef struct VGAInterfaceInfo
{
1928 const char *opt_name
; /* option name */
1929 const char *name
; /* human-readable name */
1930 /* Class names indicating that support is available.
1931 * If no class is specified, the interface is always available */
1932 const char *class_names
[2];
1935 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1941 .name
= "standard VGA",
1942 .class_names
= { "VGA", "isa-vga" },
1945 .opt_name
= "cirrus",
1946 .name
= "Cirrus VGA",
1947 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1950 .opt_name
= "vmware",
1951 .name
= "VMWare SVGA",
1952 .class_names
= { "vmware-svga" },
1955 .opt_name
= "virtio",
1956 .name
= "Virtio VGA",
1957 .class_names
= { "virtio-vga" },
1962 .class_names
= { "qxl-vga" },
1966 .name
= "TCX framebuffer",
1967 .class_names
= { "SUNW,tcx" },
1971 .name
= "CG3 framebuffer",
1972 .class_names
= { "cgthree" },
1975 .opt_name
= "xenfb",
1979 static bool vga_interface_available(VGAInterfaceType t
)
1981 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1983 assert(t
< VGA_TYPE_MAX
);
1984 return !ti
->class_names
[0] ||
1985 object_class_by_name(ti
->class_names
[0]) ||
1986 object_class_by_name(ti
->class_names
[1]);
1989 static void select_vgahw(const char *p
)
1994 assert(vga_interface_type
== VGA_NONE
);
1995 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1996 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1997 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1998 if (!vga_interface_available(t
)) {
1999 error_report("%s not available", ti
->name
);
2002 vga_interface_type
= t
;
2006 if (t
== VGA_TYPE_MAX
) {
2008 error_report("unknown vga type: %s", p
);
2012 const char *nextopt
;
2014 if (strstart(opts
, ",retrace=", &nextopt
)) {
2016 if (strstart(opts
, "dumb", &nextopt
))
2017 vga_retrace_method
= VGA_RETRACE_DUMB
;
2018 else if (strstart(opts
, "precise", &nextopt
))
2019 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2020 else goto invalid_vga
;
2021 } else goto invalid_vga
;
2026 static void parse_display_qapi(const char *optarg
)
2029 DisplayOptions
*opts
;
2032 v
= qobject_input_visitor_new_str(optarg
, "type", &err
);
2034 error_report_err(err
);
2038 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
2039 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2041 qapi_free_DisplayOptions(opts
);
2045 static void parse_display(const char *p
)
2049 if (strstart(p
, "sdl", &opts
)) {
2051 * sdl DisplayType needs hand-crafted parser instead of
2052 * parse_display_qapi() due to some options not in
2053 * DisplayOptions, specifically:
2055 * Already deprecated.
2056 * - ctrl_grab + alt_grab
2057 * Not clear yet what happens to them long-term. Should
2058 * replaced by something better or deprecated and dropped.
2060 dpy
.type
= DISPLAY_TYPE_SDL
;
2062 const char *nextopt
;
2064 if (strstart(opts
, ",frame=", &nextopt
)) {
2065 g_printerr("The frame= sdl option is deprecated, and will be\n"
2066 "removed in a future release.\n");
2068 if (strstart(opts
, "on", &nextopt
)) {
2070 } else if (strstart(opts
, "off", &nextopt
)) {
2073 goto invalid_sdl_args
;
2075 } else if (strstart(opts
, ",alt_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
, ",ctrl_grab=", &nextopt
)) {
2086 if (strstart(opts
, "on", &nextopt
)) {
2088 } else if (strstart(opts
, "off", &nextopt
)) {
2091 goto invalid_sdl_args
;
2093 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2095 dpy
.has_window_close
= true;
2096 if (strstart(opts
, "on", &nextopt
)) {
2097 dpy
.window_close
= true;
2098 } else if (strstart(opts
, "off", &nextopt
)) {
2099 dpy
.window_close
= false;
2101 goto invalid_sdl_args
;
2103 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2106 if (strstart(opts
, "on", &nextopt
)) {
2107 dpy
.gl
= DISPLAYGL_MODE_ON
;
2108 } else if (strstart(opts
, "core", &nextopt
)) {
2109 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2110 } else if (strstart(opts
, "es", &nextopt
)) {
2111 dpy
.gl
= DISPLAYGL_MODE_ES
;
2112 } else if (strstart(opts
, "off", &nextopt
)) {
2113 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2115 goto invalid_sdl_args
;
2119 error_report("invalid SDL option string");
2124 } else if (strstart(p
, "vnc", &opts
)) {
2126 * vnc isn't a (local) DisplayType but a protocol for remote
2130 vnc_parse(opts
+ 1, &error_fatal
);
2132 error_report("VNC requires a display argument vnc=<display>");
2136 parse_display_qapi(p
);
2140 static int balloon_parse(const char *arg
)
2144 warn_report("This option is deprecated. "
2145 "Use '--device virtio-balloon' to enable the balloon device.");
2147 if (strcmp(arg
, "none") == 0) {
2151 if (!strncmp(arg
, "virtio", 6)) {
2152 if (arg
[6] == ',') {
2153 /* have params -> parse them */
2154 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2159 /* create empty opts */
2160 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2163 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2170 #if defined(CONFIG_RUBY)
2171 /* Ruby interface for QEMU. See README.EXT for programming example. */
2175 static VALUE
qemu_open(int argc
, VALUE
*argv
, VALUE klass
)
2178 for (i
= 0; i
< argc
; i
++) {
2179 argv
[i
] = StringValue(argv
[i
]);
2180 fprintf(stderr
, "argv[%d] = %s\n", i
, StringValuePtr(argv
[i
]));
2182 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2183 //~ mode = 0666; /* default value */
2185 return INT2FIX(argc
);
2188 void Init_qemu(void)
2190 printf("%s\n", __func__
);
2191 VALUE cQEMU
= rb_define_class("QEMU", rb_cObject
);
2192 rb_define_singleton_method(cQEMU
, "run", qemu_open
, -1);
2197 #endif /* CONFIG_RUBY */
2199 #if defined(CONFIG_DLL)
2200 BOOL APIENTRY
DllMain(HINSTANCE hModule
, DWORD ul_reason_for_call
, LPVOID data
)
2204 #endif /* CONFIG_DLL */
2206 char *qemu_find_file(int type
, const char *name
)
2212 /* Try the name as a straight path first */
2213 if (access(name
, R_OK
) == 0) {
2214 trace_load_file(name
, name
);
2215 return g_strdup(name
);
2219 case QEMU_FILE_TYPE_BIOS
:
2222 case QEMU_FILE_TYPE_KEYMAP
:
2223 subdir
= "keymaps/";
2229 for (i
= 0; i
< data_dir_idx
; i
++) {
2230 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2231 if (access(buf
, R_OK
) == 0) {
2232 trace_load_file(name
, buf
);
2240 static void qemu_add_data_dir(const char *path
)
2247 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2250 for (i
= 0; i
< data_dir_idx
; i
++) {
2251 if (strcmp(data_dir
[i
], path
) == 0) {
2252 return; /* duplicate */
2255 data_dir
[data_dir_idx
++] = g_strdup(path
);
2258 static inline bool nonempty_str(const char *str
)
2263 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2267 const char *name
, *file
, *str
;
2268 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2270 if (fw_cfg
== NULL
) {
2271 error_report("fw_cfg device not available");
2274 name
= qemu_opt_get(opts
, "name");
2275 file
= qemu_opt_get(opts
, "file");
2276 str
= qemu_opt_get(opts
, "string");
2278 /* we need name and either a file or the content string */
2279 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2280 error_report("invalid argument(s)");
2283 if (nonempty_str(file
) && nonempty_str(str
)) {
2284 error_report("file and string are mutually exclusive");
2287 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2288 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2291 if (strncmp(name
, "opt/", 4) != 0) {
2292 warn_report("externally provided fw_cfg item names "
2293 "should be prefixed with \"opt/\"");
2295 if (nonempty_str(str
)) {
2296 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2297 buf
= g_memdup(str
, size
);
2299 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2300 error_report("can't load %s", file
);
2304 /* For legacy, keep user files in a specific global order. */
2305 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2306 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2307 fw_cfg_reset_order_override(fw_cfg
);
2311 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2313 return qdev_device_help(opts
);
2316 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2321 dev
= qdev_device_add(opts
, &err
);
2323 error_report_err(err
);
2326 object_unref(OBJECT(dev
));
2330 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2332 Error
*local_err
= NULL
;
2334 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2336 error_report_err(local_err
);
2344 #ifdef CONFIG_VIRTFS
2345 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2347 return qemu_fsdev_add(opts
);
2351 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2354 const char *chardev
;
2358 mode
= qemu_opt_get(opts
, "mode");
2362 if (strcmp(mode
, "readline") == 0) {
2363 flags
= MONITOR_USE_READLINE
;
2364 } else if (strcmp(mode
, "control") == 0) {
2365 flags
= MONITOR_USE_CONTROL
;
2367 error_report("unknown monitor mode \"%s\"", mode
);
2371 if (qemu_opt_get_bool(opts
, "pretty", 0))
2372 flags
|= MONITOR_USE_PRETTY
;
2374 /* OOB is off by default */
2375 if (qemu_opt_get_bool(opts
, "x-oob", 0)) {
2376 flags
|= MONITOR_USE_OOB
;
2379 chardev
= qemu_opt_get(opts
, "chardev");
2380 chr
= qemu_chr_find(chardev
);
2382 error_report("chardev \"%s\" not found", chardev
);
2386 monitor_init(chr
, flags
);
2390 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2392 static int monitor_device_index
= 0;
2397 if (strstart(optarg
, "chardev:", &p
)) {
2398 snprintf(label
, sizeof(label
), "%s", p
);
2400 snprintf(label
, sizeof(label
), "compat_monitor%d",
2401 monitor_device_index
);
2402 opts
= qemu_chr_parse_compat(label
, optarg
);
2404 error_report("parse error: %s", optarg
);
2409 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2410 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2411 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2412 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2413 monitor_device_index
++;
2416 struct device_config
{
2418 DEV_USB
, /* -usbdevice */
2420 DEV_SERIAL
, /* -serial */
2421 DEV_PARALLEL
, /* -parallel */
2422 DEV_VIRTCON
, /* -virtioconsole */
2423 DEV_DEBUGCON
, /* -debugcon */
2424 DEV_GDB
, /* -gdb, -s */
2425 DEV_SCLP
, /* s390 sclp */
2427 const char *cmdline
;
2429 QTAILQ_ENTRY(device_config
) next
;
2432 static QTAILQ_HEAD(, device_config
) device_configs
=
2433 QTAILQ_HEAD_INITIALIZER(device_configs
);
2435 static void add_device_config(int type
, const char *cmdline
)
2437 struct device_config
*conf
;
2439 conf
= g_malloc0(sizeof(*conf
));
2441 conf
->cmdline
= cmdline
;
2442 loc_save(&conf
->loc
);
2443 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2446 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2448 struct device_config
*conf
;
2451 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2452 if (conf
->type
!= type
)
2454 loc_push_restore(&conf
->loc
);
2455 rc
= func(conf
->cmdline
);
2456 loc_pop(&conf
->loc
);
2464 static int serial_parse(const char *devname
)
2466 int index
= num_serial_hds
;
2469 if (strcmp(devname
, "none") == 0)
2471 snprintf(label
, sizeof(label
), "serial%d", index
);
2472 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2474 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2475 if (!serial_hds
[index
]) {
2476 error_report("could not connect serial device"
2477 " to character backend '%s'", devname
);
2484 Chardev
*serial_hd(int i
)
2487 if (i
< num_serial_hds
) {
2488 return serial_hds
[i
];
2493 int serial_max_hds(void)
2495 return num_serial_hds
;
2498 static int parallel_parse(const char *devname
)
2500 static int index
= 0;
2503 if (strcmp(devname
, "none") == 0)
2505 if (index
== MAX_PARALLEL_PORTS
) {
2506 error_report("too many parallel ports");
2509 snprintf(label
, sizeof(label
), "parallel%d", index
);
2510 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2511 if (!parallel_hds
[index
]) {
2512 error_report("could not connect parallel device"
2513 " to character backend '%s'", devname
);
2520 static int virtcon_parse(const char *devname
)
2522 QemuOptsList
*device
= qemu_find_opts("device");
2523 static int index
= 0;
2525 QemuOpts
*bus_opts
, *dev_opts
;
2527 if (strcmp(devname
, "none") == 0)
2529 if (index
== MAX_VIRTIO_CONSOLES
) {
2530 error_report("too many virtio consoles");
2534 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2535 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2537 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2538 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2540 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2541 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2542 if (!virtcon_hds
[index
]) {
2543 error_report("could not connect virtio console"
2544 " to character backend '%s'", devname
);
2547 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2553 static int debugcon_parse(const char *devname
)
2557 if (!qemu_chr_new("debugcon", devname
)) {
2560 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2562 error_report("already have a debugcon device");
2565 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2566 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2570 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2572 const MachineClass
*mc1
= a
, *mc2
= b
;
2575 if (mc1
->family
== NULL
) {
2576 if (mc2
->family
== NULL
) {
2577 /* Compare standalone machine types against each other; they sort
2578 * in increasing order.
2580 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2581 object_class_get_name(OBJECT_CLASS(mc2
)));
2584 /* Standalone machine types sort after families. */
2588 if (mc2
->family
== NULL
) {
2589 /* Families sort before standalone machine types. */
2593 /* Families sort between each other alphabetically increasingly. */
2594 res
= strcmp(mc1
->family
, mc2
->family
);
2599 /* Within the same family, machine types sort in decreasing order. */
2600 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2601 object_class_get_name(OBJECT_CLASS(mc1
)));
2604 static MachineClass
*machine_parse(const char *name
)
2606 MachineClass
*mc
= NULL
;
2607 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2610 mc
= find_machine(name
);
2613 g_slist_free(machines
);
2616 if (name
&& !is_help_option(name
)) {
2617 error_report("unsupported machine type");
2618 error_printf("Use -machine help to list supported machines\n");
2620 printf("Supported machines are:\n");
2621 machines
= g_slist_sort(machines
, machine_class_cmp
);
2622 for (el
= machines
; el
; el
= el
->next
) {
2623 MachineClass
*mc
= el
->data
;
2625 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2627 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2628 mc
->is_default
? " (default)" : "",
2629 mc
->deprecation_reason
? " (deprecated)" : "");
2633 g_slist_free(machines
);
2634 exit(!name
|| !is_help_option(name
));
2637 void qemu_add_exit_notifier(Notifier
*notify
)
2639 notifier_list_add(&exit_notifiers
, notify
);
2642 void qemu_remove_exit_notifier(Notifier
*notify
)
2644 notifier_remove(notify
);
2647 static void qemu_run_exit_notifiers(void)
2649 notifier_list_notify(&exit_notifiers
, NULL
);
2652 bool machine_init_done
;
2654 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2656 notifier_list_add(&machine_init_done_notifiers
, notify
);
2657 if (machine_init_done
) {
2658 notify
->notify(notify
, NULL
);
2662 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2664 notifier_remove(notify
);
2667 static void qemu_run_machine_init_done_notifiers(void)
2669 machine_init_done
= true;
2670 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2673 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2674 const char **poptarg
, int *poptind
)
2676 const QEMUOption
*popt
;
2677 int optind
= *poptind
;
2678 char *r
= argv
[optind
];
2681 loc_set_cmdline(argv
, optind
, 1);
2683 /* Treat --foo the same as -foo. */
2686 popt
= qemu_options
;
2689 error_report("invalid option");
2692 if (!strcmp(popt
->name
, r
+ 1))
2696 if (popt
->flags
& HAS_ARG
) {
2697 if (optind
>= argc
) {
2698 error_report("requires an argument");
2701 optarg
= argv
[optind
++];
2702 loc_set_cmdline(argv
, optind
- 2, 2);
2713 static MachineClass
*select_machine(void)
2715 MachineClass
*machine_class
= find_default_machine();
2720 loc_push_none(&loc
);
2722 opts
= qemu_get_machine_opts();
2723 qemu_opts_loc_restore(opts
);
2725 optarg
= qemu_opt_get(opts
, "type");
2727 machine_class
= machine_parse(optarg
);
2730 if (!machine_class
) {
2731 error_report("No machine specified, and there is no default");
2732 error_printf("Use -machine help to list supported machines\n");
2737 return machine_class
;
2740 static int machine_set_property(void *opaque
,
2741 const char *name
, const char *value
,
2744 Object
*obj
= OBJECT(opaque
);
2745 Error
*local_err
= NULL
;
2748 if (strcmp(name
, "type") == 0) {
2752 qom_name
= g_strdup(name
);
2753 for (p
= qom_name
; *p
; p
++) {
2759 object_property_parse(obj
, value
, qom_name
, &local_err
);
2763 error_report_err(local_err
);
2772 * Initial object creation happens before all other
2773 * QEMU data types are created. The majority of objects
2774 * can be created at this point. The rng-egd object
2775 * cannot be created here, as it depends on the chardev
2778 static bool object_create_initial(const char *type
)
2780 if (g_str_equal(type
, "rng-egd") ||
2781 g_str_has_prefix(type
, "pr-manager-")) {
2785 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2786 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2792 * return false for concrete netfilters since
2793 * they depend on netdevs already existing
2795 if (g_str_equal(type
, "filter-buffer") ||
2796 g_str_equal(type
, "filter-dump") ||
2797 g_str_equal(type
, "filter-mirror") ||
2798 g_str_equal(type
, "filter-redirector") ||
2799 g_str_equal(type
, "colo-compare") ||
2800 g_str_equal(type
, "filter-rewriter") ||
2801 g_str_equal(type
, "filter-replay")) {
2805 /* Memory allocation by backends needs to be done
2806 * after configure_accelerator() (due to the tcg_enabled()
2807 * checks at memory_region_init_*()).
2809 * Also, allocation of large amounts of memory may delay
2810 * chardev initialization for too long, and trigger timeouts
2811 * on software that waits for a monitor socket to be created
2814 if (g_str_has_prefix(type
, "memory-backend-")) {
2823 * The remainder of object creation happens after the
2824 * creation of chardev, fsdev, net clients and device data types.
2826 static bool object_create_delayed(const char *type
)
2828 return !object_create_initial(type
);
2832 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2836 const char *mem_str
;
2837 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2838 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2841 loc_push_none(&loc
);
2842 qemu_opts_loc_restore(opts
);
2845 mem_str
= qemu_opt_get(opts
, "size");
2848 error_report("missing 'size' option value");
2852 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2854 /* Fix up legacy suffix-less format */
2855 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2856 uint64_t overflow_check
= sz
;
2859 if (sz
/ MiB
!= overflow_check
) {
2860 error_report("too large 'size' option value");
2866 /* backward compatibility behaviour for case "-m 0" */
2868 sz
= default_ram_size
;
2871 sz
= QEMU_ALIGN_UP(sz
, 8192);
2873 if (ram_size
!= sz
) {
2874 error_report("ram size too large");
2878 /* store value for the future use */
2879 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2880 *maxram_size
= ram_size
;
2882 if (qemu_opt_get(opts
, "maxmem")) {
2885 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2886 slots
= qemu_opt_get_number(opts
, "slots", 0);
2887 if (sz
< ram_size
) {
2888 error_report("invalid value of -m option maxmem: "
2889 "maximum memory size (0x%" PRIx64
") must be at least "
2890 "the initial memory size (0x" RAM_ADDR_FMT
")",
2893 } else if (slots
&& sz
== ram_size
) {
2894 error_report("invalid value of -m option maxmem: "
2895 "memory slots were specified but maximum memory size "
2896 "(0x%" PRIx64
") is equal to the initial memory size "
2897 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2903 } else if (qemu_opt_get(opts
, "slots")) {
2904 error_report("invalid -m option value: missing 'maxmem' option");
2911 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2915 g
= g_malloc0(sizeof(*g
));
2916 g
->driver
= qemu_opt_get(opts
, "driver");
2917 g
->property
= qemu_opt_get(opts
, "property");
2918 g
->value
= qemu_opt_get(opts
, "value");
2919 g
->user_provided
= true;
2920 g
->errp
= &error_fatal
;
2921 qdev_prop_register_global(g
);
2925 static int qemu_read_default_config_file(void)
2929 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2930 if (ret
< 0 && ret
!= -ENOENT
) {
2937 static void user_register_global_props(void)
2939 qemu_opts_foreach(qemu_find_opts("global"),
2940 global_init_func
, NULL
, NULL
);
2944 * Note: we should see that these properties are actually having a
2945 * priority: accel < machine < user. This means e.g. when user
2946 * specifies something in "-global", it'll always be used with highest
2947 * priority than either machine/accelerator compat properties.
2949 static void register_global_properties(MachineState
*ms
)
2951 accel_register_compat_props(ms
->accelerator
);
2952 machine_register_compat_props(ms
);
2953 user_register_global_props();
2956 int main(int argc
, char **argv
)
2959 int snapshot
, linux_boot
;
2960 const char *initrd_filename
;
2961 const char *kernel_filename
, *kernel_cmdline
;
2962 const char *boot_order
= NULL
;
2963 const char *boot_once
= NULL
;
2965 QemuOpts
*opts
, *machine_opts
;
2966 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2967 QemuOptsList
*olist
;
2970 const char *loadvm
= NULL
;
2971 MachineClass
*machine_class
;
2972 const char *cpu_model
;
2973 const char *vga_model
= NULL
;
2974 const char *qtest_chrdev
= NULL
;
2975 const char *qtest_log
= NULL
;
2976 const char *pid_file
= NULL
;
2977 const char *incoming
= NULL
;
2978 bool userconfig
= true;
2979 bool nographic
= false;
2980 int display_remote
= 0;
2981 const char *log_mask
= NULL
;
2982 const char *log_file
= NULL
;
2983 char *trace_file
= NULL
;
2984 ram_addr_t maxram_size
;
2985 uint64_t ram_slots
= 0;
2986 FILE *vmstate_dump_file
= NULL
;
2987 Error
*main_loop_err
= NULL
;
2989 bool list_data_dirs
= false;
2991 typedef struct BlockdevOptions_queue
{
2992 BlockdevOptions
*bdo
;
2994 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
2995 } BlockdevOptions_queue
;
2996 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
2997 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2999 module_call_init(MODULE_INIT_TRACE
);
3001 qemu_init_cpu_list();
3002 qemu_init_cpu_loop();
3004 qemu_mutex_lock_iothread();
3006 atexit(qemu_run_exit_notifiers
);
3007 error_set_progname(argv
[0]);
3008 qemu_init_exec_dir(argv
[0]);
3010 module_call_init(MODULE_INIT_QOM
);
3012 qemu_add_opts(&qemu_drive_opts
);
3013 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3014 qemu_add_drive_opts(&qemu_common_drive_opts
);
3015 qemu_add_drive_opts(&qemu_drive_opts
);
3016 qemu_add_drive_opts(&bdrv_runtime_opts
);
3017 qemu_add_opts(&qemu_chardev_opts
);
3018 qemu_add_opts(&qemu_device_opts
);
3019 qemu_add_opts(&qemu_netdev_opts
);
3020 qemu_add_opts(&qemu_nic_opts
);
3021 qemu_add_opts(&qemu_net_opts
);
3022 qemu_add_opts(&qemu_rtc_opts
);
3023 qemu_add_opts(&qemu_global_opts
);
3024 qemu_add_opts(&qemu_mon_opts
);
3025 qemu_add_opts(&qemu_trace_opts
);
3026 qemu_add_opts(&qemu_option_rom_opts
);
3027 qemu_add_opts(&qemu_machine_opts
);
3028 qemu_add_opts(&qemu_accel_opts
);
3029 qemu_add_opts(&qemu_mem_opts
);
3030 qemu_add_opts(&qemu_smp_opts
);
3031 qemu_add_opts(&qemu_boot_opts
);
3032 qemu_add_opts(&qemu_add_fd_opts
);
3033 qemu_add_opts(&qemu_object_opts
);
3034 qemu_add_opts(&qemu_tpmdev_opts
);
3035 qemu_add_opts(&qemu_realtime_opts
);
3036 qemu_add_opts(&qemu_msg_opts
);
3037 qemu_add_opts(&qemu_name_opts
);
3038 qemu_add_opts(&qemu_numa_opts
);
3039 qemu_add_opts(&qemu_icount_opts
);
3040 qemu_add_opts(&qemu_semihosting_config_opts
);
3041 qemu_add_opts(&qemu_fw_cfg_opts
);
3042 module_call_init(MODULE_INIT_OPTS
);
3045 postcopy_infrastructure_init();
3046 monitor_init_globals();
3048 if (qcrypto_init(&err
) < 0) {
3049 error_reportf_err(err
, "cannot initialize crypto: ");
3052 rtc_clock
= QEMU_CLOCK_HOST
;
3054 QLIST_INIT (&vm_change_state_head
);
3055 os_setup_early_signal_handling();
3062 bdrv_init_with_whitelist();
3066 /* first pass of option parsing */
3068 while (optind
< argc
) {
3069 if (argv
[optind
][0] != '-') {
3073 const QEMUOption
*popt
;
3075 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3076 switch (popt
->index
) {
3077 case QEMU_OPTION_nodefconfig
:
3078 case QEMU_OPTION_nouserconfig
:
3086 if (qemu_read_default_config_file() < 0) {
3091 /* second pass of option parsing */
3096 if (argv
[optind
][0] != '-') {
3097 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3099 const QEMUOption
*popt
;
3101 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3102 if (!(popt
->arch_mask
& arch_type
)) {
3103 error_report("Option not supported for this target");
3106 switch(popt
->index
) {
3107 case QEMU_OPTION_cpu
:
3108 /* hw initialization will check this */
3111 case QEMU_OPTION_hda
:
3112 case QEMU_OPTION_hdb
:
3113 case QEMU_OPTION_hdc
:
3114 case QEMU_OPTION_hdd
:
3115 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3118 case QEMU_OPTION_blockdev
:
3121 BlockdevOptions_queue
*bdo
;
3123 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3125 error_report_err(err
);
3129 bdo
= g_new(BlockdevOptions_queue
, 1);
3130 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3133 loc_save(&bdo
->loc
);
3134 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3137 case QEMU_OPTION_drive
:
3138 if (drive_def(optarg
) == NULL
) {
3142 case QEMU_OPTION_set
:
3143 if (qemu_set_option(optarg
) != 0)
3146 case QEMU_OPTION_global
:
3147 if (qemu_global_option(optarg
) != 0)
3150 case QEMU_OPTION_mtdblock
:
3151 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3153 case QEMU_OPTION_sd
:
3154 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3156 case QEMU_OPTION_pflash
:
3157 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3159 case QEMU_OPTION_snapshot
:
3162 case QEMU_OPTION_numa
:
3163 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3169 case QEMU_OPTION_display
:
3170 parse_display(optarg
);
3172 case QEMU_OPTION_nographic
:
3173 olist
= qemu_find_opts("machine");
3174 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3176 dpy
.type
= DISPLAY_TYPE_NONE
;
3178 case QEMU_OPTION_curses
:
3179 #ifdef CONFIG_CURSES
3180 dpy
.type
= DISPLAY_TYPE_CURSES
;
3182 error_report("curses support is disabled");
3186 case QEMU_OPTION_portrait
:
3187 graphic_rotate
= 90;
3189 case QEMU_OPTION_rotate
:
3190 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3191 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3192 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3193 error_report("only 90, 180, 270 deg rotation is available");
3197 case QEMU_OPTION_kernel
:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3201 case QEMU_OPTION_initrd
:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3205 case QEMU_OPTION_append
:
3206 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3209 case QEMU_OPTION_dtb
:
3210 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3213 case QEMU_OPTION_cdrom
:
3214 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3216 case QEMU_OPTION_boot
:
3217 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3223 case QEMU_OPTION_fda
:
3224 case QEMU_OPTION_fdb
:
3225 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3228 case QEMU_OPTION_no_fd_bootchk
:
3231 case QEMU_OPTION_netdev
:
3233 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3237 case QEMU_OPTION_nic
:
3239 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3243 case QEMU_OPTION_net
:
3245 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3249 #ifdef CONFIG_LIBISCSI
3250 case QEMU_OPTION_iscsi
:
3251 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3259 case QEMU_OPTION_tftp
:
3260 error_report("The -tftp option is deprecated. "
3261 "Please use '-netdev user,tftp=...' instead.");
3262 legacy_tftp_prefix
= optarg
;
3264 case QEMU_OPTION_bootp
:
3265 error_report("The -bootp option is deprecated. "
3266 "Please use '-netdev user,bootfile=...' instead.");
3267 legacy_bootp_filename
= optarg
;
3269 case QEMU_OPTION_redir
:
3270 error_report("The -redir option is deprecated. "
3271 "Please use '-netdev user,hostfwd=...' instead.");
3272 if (net_slirp_redir(optarg
) < 0)
3276 case QEMU_OPTION_bt
:
3277 add_device_config(DEV_BT
, optarg
);
3279 case QEMU_OPTION_audio_help
:
3283 case QEMU_OPTION_soundhw
:
3284 select_soundhw (optarg
);
3289 case QEMU_OPTION_version
:
3294 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3301 case QEMU_OPTION_tpmdev
:
3302 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3307 case QEMU_OPTION_mempath
:
3310 case QEMU_OPTION_mem_prealloc
:
3319 case QEMU_OPTION_DFILTER
:
3320 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3323 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3325 case QEMU_OPTION_gdb
:
3326 add_device_config(DEV_GDB
, optarg
);
3329 if (is_help_option(optarg
)) {
3330 list_data_dirs
= true;
3332 qemu_add_data_dir(optarg
);
3335 case QEMU_OPTION_bios
:
3336 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3339 case QEMU_OPTION_singlestep
:
3346 keyboard_layout
= optarg
;
3348 case QEMU_OPTION_localtime
:
3350 warn_report("This option is deprecated, "
3351 "use '-rtc base=localtime' instead.");
3353 case QEMU_OPTION_vga
:
3362 w
= strtol(p
, (char **)&p
, 10);
3365 error_report("invalid resolution or depth");
3371 h
= strtol(p
, (char **)&p
, 10);
3376 depth
= strtol(p
, (char **)&p
, 10);
3377 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3378 depth
!= 24 && depth
!= 32)
3380 } else if (*p
== '\0') {
3381 depth
= graphic_depth
;
3388 graphic_depth
= depth
;
3391 case QEMU_OPTION_echr
:
3394 term_escape_char
= strtol(optarg
, &r
, 0);
3396 printf("Bad argument to echr\n");
3399 case QEMU_OPTION_monitor
:
3400 default_monitor
= 0;
3401 if (strncmp(optarg
, "none", 4)) {
3402 monitor_parse(optarg
, "readline", false);
3405 case QEMU_OPTION_qmp
:
3406 monitor_parse(optarg
, "control", false);
3407 default_monitor
= 0;
3409 case QEMU_OPTION_qmp_pretty
:
3410 monitor_parse(optarg
, "control", true);
3411 default_monitor
= 0;
3413 case QEMU_OPTION_mon
:
3414 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3419 default_monitor
= 0;
3421 case QEMU_OPTION_chardev
:
3422 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3428 case QEMU_OPTION_fsdev
:
3429 olist
= qemu_find_opts("fsdev");
3431 error_report("fsdev support is disabled");
3434 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3439 case QEMU_OPTION_virtfs
: {
3442 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3444 olist
= qemu_find_opts("virtfs");
3446 error_report("virtfs support is disabled");
3449 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3454 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3455 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3456 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3459 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3460 qemu_opts_id(opts
) ?:
3461 qemu_opt_get(opts
, "mount_tag"),
3464 error_report("duplicate or invalid fsdev id: %s",
3465 qemu_opt_get(opts
, "mount_tag"));
3469 writeout
= qemu_opt_get(opts
, "writeout");
3471 #ifdef CONFIG_SYNC_FILE_RANGE
3472 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3474 error_report("writeout=immediate not supported "
3475 "on this platform");
3479 qemu_opt_set(fsdev
, "fsdriver",
3480 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3481 path
= qemu_opt_get(opts
, "path");
3483 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3485 security_model
= qemu_opt_get(opts
, "security_model");
3486 if (security_model
) {
3487 qemu_opt_set(fsdev
, "security_model", security_model
,
3490 socket
= qemu_opt_get(opts
, "socket");
3492 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3494 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3496 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3499 qemu_opt_set_bool(fsdev
, "readonly",
3500 qemu_opt_get_bool(opts
, "readonly", 0),
3502 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3504 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3505 qemu_opt_set(device
, "fsdev",
3506 qemu_opts_id(fsdev
), &error_abort
);
3507 qemu_opt_set(device
, "mount_tag",
3508 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3511 case QEMU_OPTION_virtfs_synth
: {
3515 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3518 error_report("duplicate option: %s", "virtfs_synth");
3521 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3523 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3525 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3526 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3527 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3530 case QEMU_OPTION_serial
:
3531 add_device_config(DEV_SERIAL
, optarg
);
3533 if (strncmp(optarg
, "mon:", 4) == 0) {
3534 default_monitor
= 0;
3537 case QEMU_OPTION_watchdog
:
3539 error_report("only one watchdog option may be given");
3544 case QEMU_OPTION_watchdog_action
:
3545 if (select_watchdog_action(optarg
) == -1) {
3546 error_report("unknown -watchdog-action parameter");
3550 case QEMU_OPTION_virtiocon
:
3551 warn_report("This option is deprecated, "
3552 "use '-device virtconsole' instead");
3553 add_device_config(DEV_VIRTCON
, optarg
);
3554 default_virtcon
= 0;
3555 if (strncmp(optarg
, "mon:", 4) == 0) {
3556 default_monitor
= 0;
3559 case QEMU_OPTION_parallel
:
3560 add_device_config(DEV_PARALLEL
, optarg
);
3561 default_parallel
= 0;
3562 if (strncmp(optarg
, "mon:", 4) == 0) {
3563 default_monitor
= 0;
3566 case QEMU_OPTION_debugcon
:
3567 add_device_config(DEV_DEBUGCON
, optarg
);
3569 case QEMU_OPTION_loadvm
:
3572 case QEMU_OPTION_full_screen
:
3573 dpy
.has_full_screen
= true;
3574 dpy
.full_screen
= true;
3576 case QEMU_OPTION_no_frame
:
3577 g_printerr("The -no-frame switch is deprecated, and will be\n"
3578 "removed in a future release.\n");
3581 case QEMU_OPTION_alt_grab
:
3584 case QEMU_OPTION_ctrl_grab
:
3587 case QEMU_OPTION_no_quit
:
3588 dpy
.has_window_close
= true;
3589 dpy
.window_close
= false;
3591 case QEMU_OPTION_sdl
:
3593 dpy
.type
= DISPLAY_TYPE_SDL
;
3596 error_report("SDL support is disabled");
3599 case QEMU_OPTION_pidfile
:
3602 case QEMU_OPTION_win2k_hack
:
3603 win2k_install_hack
= 1;
3605 case QEMU_OPTION_rtc_td_hack
: {
3606 static GlobalProperty slew_lost_ticks
= {
3607 .driver
= "mc146818rtc",
3608 .property
= "lost_tick_policy",
3612 qdev_prop_register_global(&slew_lost_ticks
);
3613 warn_report("This option is deprecated, "
3614 "use '-rtc driftfix=slew' instead.");
3617 case QEMU_OPTION_acpitable
:
3618 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3623 acpi_table_add(opts
, &error_fatal
);
3625 case QEMU_OPTION_smbios
:
3626 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3631 smbios_entry_add(opts
, &error_fatal
);
3633 case QEMU_OPTION_fwcfg
:
3634 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3640 case QEMU_OPTION_preconfig
:
3641 preconfig_exit_requested
= false;
3643 case QEMU_OPTION_enable_kvm
:
3644 olist
= qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3647 case QEMU_OPTION_enable_hax
:
3648 warn_report("Option is deprecated, use '-accel hax' instead");
3649 olist
= qemu_find_opts("machine");
3650 qemu_opts_parse_noisily(olist
, "accel=hax", false);
3653 case QEMU_OPTION_machine
:
3654 olist
= qemu_find_opts("machine");
3655 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3660 case QEMU_OPTION_no_kvm
:
3661 olist
= qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3664 case QEMU_OPTION_accel
:
3665 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3667 optarg
= qemu_opt_get(accel_opts
, "accel");
3668 if (!optarg
|| is_help_option(optarg
)) {
3669 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3672 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3673 false, &error_abort
);
3674 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3676 case QEMU_OPTION_usb
:
3677 olist
= qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist
, "usb=on", false);
3680 case QEMU_OPTION_usbdevice
:
3681 error_report("'-usbdevice' is deprecated, please use "
3682 "'-device usb-...' instead");
3683 olist
= qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist
, "usb=on", false);
3685 add_device_config(DEV_USB
, optarg
);
3687 case QEMU_OPTION_device
:
3688 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3693 case QEMU_OPTION_smp
:
3694 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3699 case QEMU_OPTION_vnc
:
3700 vnc_parse(optarg
, &error_fatal
);
3702 case QEMU_OPTION_no_acpi
:
3705 case QEMU_OPTION_no_hpet
:
3708 case QEMU_OPTION_balloon
:
3709 if (balloon_parse(optarg
) < 0) {
3710 error_report("unknown -balloon argument %s", optarg
);
3714 case QEMU_OPTION_no_reboot
:
3717 case QEMU_OPTION_no_shutdown
:
3720 case QEMU_OPTION_show_cursor
:
3723 case QEMU_OPTION_uuid
:
3724 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3725 error_report("failed to parse UUID string: wrong format");
3728 qemu_uuid_set
= true;
3730 case QEMU_OPTION_option_rom
:
3731 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3732 error_report("too many option ROMs");
3735 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3740 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3741 option_rom
[nb_option_roms
].bootindex
=
3742 qemu_opt_get_number(opts
, "bootindex", -1);
3743 if (!option_rom
[nb_option_roms
].name
) {
3744 error_report("Option ROM file is not specified");
3749 case QEMU_OPTION_semihosting
:
3750 semihosting
.enabled
= true;
3751 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3753 case QEMU_OPTION_semihosting_config
:
3754 semihosting
.enabled
= true;
3755 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3758 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
3760 const char *target
= qemu_opt_get(opts
, "target");
3761 if (target
!= NULL
) {
3762 if (strcmp("native", target
) == 0) {
3763 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
3764 } else if (strcmp("gdb", target
) == 0) {
3765 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
3766 } else if (strcmp("auto", target
) == 0) {
3767 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3769 error_report("unsupported semihosting-config %s",
3774 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
3776 /* Set semihosting argument count and vector */
3777 qemu_opt_foreach(opts
, add_semihosting_arg
,
3778 &semihosting
, NULL
);
3780 error_report("unsupported semihosting-config %s", optarg
);
3784 case QEMU_OPTION_name
:
3785 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3791 case QEMU_OPTION_prom_env
:
3792 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3793 error_report("too many prom variables");
3796 prom_envs
[nb_prom_envs
] = optarg
;
3799 case QEMU_OPTION_old_param
:
3802 case QEMU_OPTION_clock
:
3803 /* Clock options no longer exist. Keep this option for
3804 * backward compatibility.
3806 warn_report("This option is ignored and will be removed soon");
3808 case QEMU_OPTION_startdate
:
3809 warn_report("This option is deprecated, use '-rtc base=' instead.");
3810 configure_rtc_date_offset(optarg
, 1);
3812 case QEMU_OPTION_rtc
:
3813 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3818 configure_rtc(opts
);
3820 case QEMU_OPTION_tb_size
:
3822 error_report("TCG is disabled");
3825 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3826 error_report("Invalid argument to -tb-size");
3830 case QEMU_OPTION_icount
:
3831 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3837 case QEMU_OPTION_incoming
:
3839 runstate_set(RUN_STATE_INMIGRATE
);
3843 case QEMU_OPTION_only_migratable
:
3845 * TODO: we can remove this option one day, and we
3848 * "-global migration.only-migratable=true"
3850 qemu_global_option("migration.only-migratable=true");
3852 case QEMU_OPTION_nodefaults
:
3855 case QEMU_OPTION_xen_domid
:
3856 if (!(xen_available())) {
3857 error_report("Option not supported for this target");
3860 xen_domid
= atoi(optarg
);
3862 case QEMU_OPTION_xen_create
:
3863 if (!(xen_available())) {
3864 error_report("Option not supported for this target");
3867 xen_mode
= XEN_CREATE
;
3869 case QEMU_OPTION_xen_attach
:
3870 if (!(xen_available())) {
3871 error_report("Option not supported for this target");
3874 xen_mode
= XEN_ATTACH
;
3876 case QEMU_OPTION_xen_domid_restrict
:
3877 if (!(xen_available())) {
3878 error_report("Option not supported for this target");
3881 xen_domid_restrict
= true;
3883 case QEMU_OPTION_trace
:
3885 trace_file
= trace_opt_parse(optarg
);
3887 case QEMU_OPTION_trace_unassigned
:
3888 trace_unassigned
= true;
3890 case QEMU_OPTION_readconfig
:
3892 int ret
= qemu_read_config_file(optarg
);
3894 error_report("read config %s: %s", optarg
,
3900 case QEMU_OPTION_spice
:
3901 olist
= qemu_find_opts("spice");
3903 error_report("spice support is disabled");
3906 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3912 case QEMU_OPTION_writeconfig
:
3915 if (strcmp(optarg
, "-") == 0) {
3918 fp
= fopen(optarg
, "w");
3920 error_report("open %s: %s", optarg
,
3925 qemu_config_write(fp
);
3931 case QEMU_OPTION_qtest
:
3932 qtest_chrdev
= optarg
;
3934 case QEMU_OPTION_qtest_log
:
3937 case QEMU_OPTION_sandbox
:
3938 #ifdef CONFIG_SECCOMP
3939 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3945 error_report("-sandbox support is not enabled "
3946 "in this QEMU binary");
3950 case QEMU_OPTION_add_fd
:
3952 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3958 error_report("File descriptor passing is disabled on this "
3963 case QEMU_OPTION_object
:
3964 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3970 case QEMU_OPTION_realtime
:
3971 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3976 /* Don't override the -overcommit option if set */
3977 enable_mlock
= enable_mlock
||
3978 qemu_opt_get_bool(opts
, "mlock", true);
3980 case QEMU_OPTION_overcommit
:
3981 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3986 /* Don't override the -realtime option if set */
3987 enable_mlock
= enable_mlock
||
3988 qemu_opt_get_bool(opts
, "mem-lock", false);
3989 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3991 case QEMU_OPTION_msg
:
3992 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3997 configure_msg(opts
);
3999 case QEMU_OPTION_dump_vmstate
:
4000 if (vmstate_dump_file
) {
4001 error_report("only one '-dump-vmstate' "
4002 "option may be given");
4005 vmstate_dump_file
= fopen(optarg
, "w");
4006 if (vmstate_dump_file
== NULL
) {
4007 error_report("open %s: %s", optarg
, strerror(errno
));
4011 case QEMU_OPTION_nodefconfig
:
4012 case QEMU_OPTION_nouserconfig
:
4013 /* Nothing to be parsed here. Especially, do not error out below. */
4016 if (os_parse_cmd_args(popt
->index
, optarg
)) {
4017 error_report("Option not supported in this build");
4024 * Clear error location left behind by the loop.
4025 * Best done right after the loop. Do not insert code here!
4029 replay_configure(icount_opts
);
4031 if (incoming
&& !preconfig_exit_requested
) {
4032 error_report("'preconfig' and 'incoming' options are "
4033 "mutually exclusive");
4037 machine_class
= select_machine();
4039 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4042 rcu_disable_atfork();
4044 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4045 error_report("could not acquire pid file: %s", strerror(errno
));
4049 if (qemu_init_main_loop(&main_loop_err
)) {
4050 error_report_err(main_loop_err
);
4054 #ifdef CONFIG_SECCOMP
4055 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4056 parse_sandbox
, NULL
, NULL
)) {
4061 if (qemu_opts_foreach(qemu_find_opts("name"),
4062 parse_name
, NULL
, NULL
)) {
4067 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4068 parse_add_fd
, NULL
, NULL
)) {
4072 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4073 cleanup_add_fd
, NULL
, NULL
)) {
4078 current_machine
= MACHINE(object_new(object_class_get_name(
4079 OBJECT_CLASS(machine_class
))));
4080 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4083 object_property_add_child(object_get_root(), "machine",
4084 OBJECT(current_machine
), &error_abort
);
4086 if (machine_class
->minimum_page_bits
) {
4087 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4088 /* This would be a board error: specifying a minimum smaller than
4089 * a target's compile-time fixed setting.
4091 g_assert_not_reached();
4095 cpu_exec_init_all();
4097 if (machine_class
->hw_version
) {
4098 qemu_set_hw_version(machine_class
->hw_version
);
4101 if (cpu_model
&& is_help_option(cpu_model
)) {
4102 list_cpus(stdout
, &fprintf
, cpu_model
);
4106 if (!trace_init_backends()) {
4109 trace_init_file(trace_file
);
4111 /* Open the logfile at this point and set the log mask if necessary.
4114 qemu_set_log_filename(log_file
, &error_fatal
);
4119 mask
= qemu_str_to_log_mask(log_mask
);
4121 qemu_print_log_usage(stdout
);
4129 /* add configured firmware directories */
4130 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4131 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4132 qemu_add_data_dir(dirs
[i
]);
4136 /* try to find datadir relative to the executable path */
4137 dir
= os_find_datadir();
4138 qemu_add_data_dir(dir
);
4141 /* add the datadir specified when building */
4142 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4144 /* -L help lists the data directories and exits. */
4145 if (list_data_dirs
) {
4146 for (i
= 0; i
< data_dir_idx
; i
++) {
4147 printf("%s\n", data_dir
[i
]);
4152 /* machine_class: default to UP */
4153 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
4154 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
4155 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
4157 /* default to machine_class->default_cpus */
4158 smp_cpus
= machine_class
->default_cpus
;
4159 max_cpus
= machine_class
->default_cpus
;
4161 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4163 /* sanity-check smp_cpus and max_cpus against machine_class */
4164 if (smp_cpus
< machine_class
->min_cpus
) {
4165 error_report("Invalid SMP CPUs %d. The min CPUs "
4166 "supported by machine '%s' is %d", smp_cpus
,
4167 machine_class
->name
, machine_class
->min_cpus
);
4170 if (max_cpus
> machine_class
->max_cpus
) {
4171 error_report("Invalid SMP CPUs %d. The max CPUs "
4172 "supported by machine '%s' is %d", max_cpus
,
4173 machine_class
->name
, machine_class
->max_cpus
);
4178 * Get the default machine options from the machine if it is not already
4179 * specified either by the configuration file or by the command line.
4181 if (machine_class
->default_machine_opts
) {
4182 qemu_opts_set_defaults(qemu_find_opts("machine"),
4183 machine_class
->default_machine_opts
, 0);
4186 qemu_opts_foreach(qemu_find_opts("device"),
4187 default_driver_check
, NULL
, NULL
);
4188 qemu_opts_foreach(qemu_find_opts("global"),
4189 default_driver_check
, NULL
, NULL
);
4191 if (!vga_model
&& !default_vga
) {
4192 vga_interface_type
= VGA_DEVICE
;
4194 if (!has_defaults
|| machine_class
->no_serial
) {
4197 if (!has_defaults
|| machine_class
->no_parallel
) {
4198 default_parallel
= 0;
4200 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4201 default_virtcon
= 0;
4203 if (!has_defaults
|| machine_class
->no_floppy
) {
4206 if (!has_defaults
|| machine_class
->no_cdrom
) {
4209 if (!has_defaults
|| machine_class
->no_sdcard
) {
4212 if (!has_defaults
) {
4213 default_monitor
= 0;
4218 if (is_daemonized()) {
4219 if (!preconfig_exit_requested
) {
4220 error_report("'preconfig' and 'daemonize' options are "
4221 "mutually exclusive");
4225 /* According to documentation and historically, -nographic redirects
4226 * serial port, parallel port and monitor to stdio, which does not work
4227 * with -daemonize. We can redirect these to null instead, but since
4228 * -nographic is legacy, let's just error out.
4229 * We disallow -nographic only if all other ports are not redirected
4230 * explicitly, to not break existing legacy setups which uses
4231 * -nographic _and_ redirects all ports explicitly - this is valid
4232 * usage, -nographic is just a no-op in this case.
4235 && (default_parallel
|| default_serial
4236 || default_monitor
|| default_virtcon
)) {
4237 error_report("-nographic cannot be used with -daemonize");
4240 #ifdef CONFIG_CURSES
4241 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4242 error_report("curses display cannot be used with -daemonize");
4249 if (default_parallel
)
4250 add_device_config(DEV_PARALLEL
, "null");
4251 if (default_serial
&& default_monitor
) {
4252 add_device_config(DEV_SERIAL
, "mon:stdio");
4253 } else if (default_virtcon
&& default_monitor
) {
4254 add_device_config(DEV_VIRTCON
, "mon:stdio");
4257 add_device_config(DEV_SERIAL
, "stdio");
4258 if (default_virtcon
)
4259 add_device_config(DEV_VIRTCON
, "stdio");
4260 if (default_monitor
)
4261 monitor_parse("stdio", "readline", false);
4265 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4266 if (default_parallel
)
4267 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4268 if (default_monitor
)
4269 monitor_parse("vc:80Cx24C", "readline", false);
4270 if (default_virtcon
)
4271 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4274 #if defined(CONFIG_VNC)
4275 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4279 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4280 if (!qemu_display_find_default(&dpy
)) {
4281 dpy
.type
= DISPLAY_TYPE_NONE
;
4282 #if defined(CONFIG_VNC)
4283 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4287 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4288 dpy
.type
= DISPLAY_TYPE_NONE
;
4291 if ((no_frame
|| alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4292 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4293 "for SDL, ignoring option");
4295 if (dpy
.has_window_close
&&
4296 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4297 error_report("-no-quit is only valid for GTK and SDL, "
4301 qemu_display_early_init(&dpy
);
4302 qemu_console_early_init();
4304 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4305 #if defined(CONFIG_OPENGL)
4306 error_report("OpenGL is not supported by the display");
4308 error_report("OpenGL support is disabled");
4316 if (qemu_opts_foreach(qemu_find_opts("object"),
4317 user_creatable_add_opts_foreach
,
4318 object_create_initial
, NULL
)) {
4322 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4323 chardev_init_func
, NULL
, NULL
)) {
4327 #ifdef CONFIG_VIRTFS
4328 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4329 fsdev_init_func
, NULL
, NULL
)) {
4334 if (qemu_opts_foreach(qemu_find_opts("device"),
4335 device_help_func
, NULL
, NULL
)) {
4339 machine_opts
= qemu_get_machine_opts();
4340 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4342 object_unref(OBJECT(current_machine
));
4346 configure_accelerator(current_machine
);
4348 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4349 error_report("Machine type '%s' is deprecated: %s",
4350 machine_class
->name
, machine_class
->deprecation_reason
);
4354 * Register all the global properties, including accel properties,
4355 * machine properties, and user-specified ones.
4357 register_global_properties(current_machine
);
4360 * Migration object can only be created after global properties
4361 * are applied correctly.
4363 migration_object_init();
4366 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4369 machine_opts
= qemu_get_machine_opts();
4370 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4371 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4372 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4373 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4375 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4377 boot_order
= qemu_opt_get(opts
, "order");
4379 validate_bootdevices(boot_order
, &error_fatal
);
4382 boot_once
= qemu_opt_get(opts
, "once");
4384 validate_bootdevices(boot_once
, &error_fatal
);
4387 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4388 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4392 boot_order
= machine_class
->default_boot_order
;
4395 if (!kernel_cmdline
) {
4396 kernel_cmdline
= "";
4397 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4400 linux_boot
= (kernel_filename
!= NULL
);
4402 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4403 error_report("-append only allowed with -kernel option");
4407 if (!linux_boot
&& initrd_filename
!= NULL
) {
4408 error_report("-initrd only allowed with -kernel option");
4412 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4413 /* fall back to the -kernel/-append */
4414 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4417 os_set_line_buffering();
4419 /* spice needs the timers to be initialized by this point */
4424 if (!tcg_enabled()) {
4425 error_report("-icount is not allowed with hardware virtualization");
4428 configure_icount(icount_opts
, &error_abort
);
4429 qemu_opts_del(icount_opts
);
4432 if (tcg_enabled()) {
4433 qemu_tcg_configure(accel_opts
, &error_fatal
);
4437 QemuOptsList
*net
= qemu_find_opts("net");
4438 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4440 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4446 if (net_init_clients(&err
) < 0) {
4447 error_report_err(err
);
4451 if (qemu_opts_foreach(qemu_find_opts("object"),
4452 user_creatable_add_opts_foreach
,
4453 object_create_delayed
, NULL
)) {
4457 if (tpm_init() < 0) {
4461 /* init the bluetooth world */
4462 if (foreach_device_config(DEV_BT
, bt_parse
))
4465 if (!xen_enabled()) {
4466 /* On 32-bit hosts, QEMU is limited by virtual address space */
4467 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4468 error_report("at most 2047 MB RAM can be simulated");
4475 dirty_bitmap_mig_init();
4477 /* If the currently selected machine wishes to override the units-per-bus
4478 * property of its default HBA interface type, do so now. */
4479 if (machine_class
->units_per_default_bus
) {
4480 override_max_devs(machine_class
->block_default_type
,
4481 machine_class
->units_per_default_bus
);
4484 /* open the virtual block devices */
4485 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4486 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4488 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4489 loc_push_restore(&bdo
->loc
);
4490 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4492 qapi_free_BlockdevOptions(bdo
->bdo
);
4495 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4496 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4499 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4500 &machine_class
->block_default_type
, NULL
)) {
4504 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4506 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4507 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4509 if (qemu_opts_foreach(qemu_find_opts("mon"),
4510 mon_init_func
, NULL
, NULL
)) {
4514 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4516 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4518 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4520 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4523 /* If no default VGA is requested, the default is "none". */
4525 if (machine_class
->default_display
) {
4526 vga_model
= machine_class
->default_display
;
4527 } else if (vga_interface_available(VGA_CIRRUS
)) {
4528 vga_model
= "cirrus";
4529 } else if (vga_interface_available(VGA_STD
)) {
4534 select_vgahw(vga_model
);
4538 i
= select_watchdog(watchdog
);
4540 exit (i
== 1 ? 1 : 0);
4543 /* This checkpoint is required by replay to separate prior clock
4544 reading from the other reads, because timer polling functions query
4545 clock values from the log. */
4546 replay_checkpoint(CHECKPOINT_INIT
);
4547 qdev_machine_init();
4549 current_machine
->ram_size
= ram_size
;
4550 current_machine
->maxram_size
= maxram_size
;
4551 current_machine
->ram_slots
= ram_slots
;
4552 current_machine
->boot_order
= boot_order
;
4554 /* parse features once if machine provides default cpu_type */
4555 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4557 current_machine
->cpu_type
= parse_cpu_model(cpu_model
);
4559 parse_numa_opts(current_machine
);
4561 /* do monitor/qmp handling at preconfig state if requested */
4564 /* from here on runstate is RUN_STATE_PRELAUNCH */
4565 machine_run_board_init(current_machine
);
4571 if (hax_enabled()) {
4575 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4576 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4580 /* init USB devices */
4581 if (machine_usb(current_machine
)) {
4582 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4586 /* Check if IGD GFX passthrough. */
4589 /* init generic devices */
4590 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4591 if (qemu_opts_foreach(qemu_find_opts("device"),
4592 device_init_func
, NULL
, NULL
)) {
4596 cpu_synchronize_all_post_init();
4598 rom_reset_order_override();
4600 /* Did we create any drives that we failed to create a device for? */
4601 drive_check_orphaned();
4603 /* Don't warn about the default network setup that you get if
4604 * no command line -net or -netdev options are specified. There
4605 * are two cases that we would otherwise complain about:
4606 * (1) board doesn't support a NIC but the implicit "-net nic"
4608 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4609 * sets up a nic that isn't connected to anything.
4612 net_check_clients();
4617 qemu_boot_set(boot_once
, &error_fatal
);
4618 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4621 /* init local displays */
4622 ds
= init_displaystate();
4623 qemu_display_init(ds
, &dpy
);
4625 /* must be after terminal init, SDL library changes signal handlers */
4626 os_setup_signal_handling();
4628 /* init remote displays */
4630 qemu_opts_foreach(qemu_find_opts("vnc"),
4631 vnc_init_func
, NULL
, NULL
);
4635 qemu_spice_display_init();
4638 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4642 qdev_machine_creation_done();
4644 /* TODO: once all bus devices are qdevified, this should be done
4645 * when bus is created by qdev.c */
4646 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4647 qemu_run_machine_init_done_notifiers();
4649 if (rom_check_and_register_reset() != 0) {
4650 error_report("rom check and register reset failed");
4656 /* This checkpoint is required by replay to separate prior clock
4657 reading from the other reads, because timer polling functions query
4658 clock values from the log. */
4659 replay_checkpoint(CHECKPOINT_RESET
);
4660 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4661 register_global_state();
4662 if (replay_mode
!= REPLAY_MODE_NONE
) {
4663 replay_vmstate_init();
4664 } else if (loadvm
) {
4665 Error
*local_err
= NULL
;
4666 if (load_snapshot(loadvm
, &local_err
) < 0) {
4667 error_report_err(local_err
);
4672 qdev_prop_check_globals();
4673 if (vmstate_dump_file
) {
4675 dump_vmstate_json_to_file(vmstate_dump_file
);
4680 Error
*local_err
= NULL
;
4681 qemu_start_incoming_migration(incoming
, &local_err
);
4683 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4686 } else if (autostart
) {
4690 accel_setup_post(current_machine
);
4695 gdbserver_cleanup();
4697 /* No more vcpu or device emulation activity beyond this point */
4700 job_cancel_sync_all();
4705 /* vhost-user must be cleaned up before chardevs. */
4711 user_creatable_cleanup();
4712 migration_object_finalize();
4713 /* TODO: unref root container, check all devices are ok */