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
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
32 #include "sys/prctl.h"
36 #if defined(__APPLE__) || defined(main)
37 #define SDL_MAIN_HANDLED
39 #if SDL_MAJOR_VERSION == 1
40 int qemu_main(int argc
, char **argv
);
41 int main(int argc
, char **argv
)
43 return qemu_main(argc
, argv
);
46 #define main qemu_main
47 #elif SDL_MAJOR_VERSION == 2
50 #error undefined SDL version
53 #endif /* CONFIG_SDL */
57 #define main qemu_main
58 #endif /* CONFIG_COCOA */
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/scsi/scsi.h"
71 #include "sysemu/watchdog.h"
72 #include "hw/smbios/smbios.h"
73 #include "hw/acpi/acpi.h"
74 #include "hw/xen/xen.h"
76 #include "hw/loader.h"
77 #include "monitor/qdev.h"
78 #include "sysemu/bt.h"
80 #include "net/slirp.h"
81 #include "monitor/monitor.h"
82 #include "ui/console.h"
84 #include "sysemu/sysemu.h"
85 #include "sysemu/numa.h"
86 #include "exec/gdbstub.h"
87 #include "qemu/timer.h"
88 #include "chardev/char.h"
89 #include "qemu/bitmap.h"
91 #include "sysemu/blockdev.h"
92 #include "hw/block/block.h"
93 #include "migration/misc.h"
94 #include "migration/snapshot.h"
95 #include "migration/global_state.h"
96 #include "sysemu/tpm.h"
97 #include "sysemu/dma.h"
98 #include "hw/audio/soundhw.h"
99 #include "audio/audio.h"
100 #include "sysemu/cpus.h"
101 #include "migration/colo.h"
102 #include "sysemu/kvm.h"
103 #include "sysemu/hax.h"
104 #include "qapi/qobject-input-visitor.h"
105 #include "qapi/qobject-input-visitor.h"
106 #include "qapi-visit.h"
107 #include "qapi/qmp/qjson.h"
108 #include "qemu/option.h"
109 #include "qemu/config-file.h"
110 #include "qemu-options.h"
111 #include "qmp-commands.h"
112 #include "qemu/main-loop.h"
114 #include "fsdev/qemu-fsdev.h"
116 #include "sysemu/qtest.h"
118 #include "disas/disas.h"
121 #include "slirp/libslirp.h"
123 #include "trace-root.h"
124 #include "trace/control.h"
125 #include "qemu/queue.h"
126 #include "sysemu/arch_init.h"
128 #include "ui/qemu-spice.h"
129 #include "qapi/string-input-visitor.h"
130 #include "qapi/opts-visitor.h"
131 #include "qom/object_interfaces.h"
132 #include "qapi-event.h"
133 #include "exec/semihost.h"
134 #include "crypto/init.h"
135 #include "sysemu/replay.h"
136 #include "qapi/qmp/qerror.h"
137 #include "sysemu/iothread.h"
139 #define MAX_VIRTIO_CONSOLES 1
140 #define MAX_SCLP_CONSOLES 1
142 static const char *data_dir
[16];
143 static int data_dir_idx
;
144 const char *bios_name
= NULL
;
145 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
146 int request_opengl
= -1;
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;
154 NICInfo nd_table
[MAX_NICS
];
156 static int rtc_utc
= 1;
157 static int rtc_date_offset
= -1; /* -1 means no change */
158 QEMUClockType rtc_clock
;
159 int vga_interface_type
= VGA_NONE
;
160 static int full_screen
= 0;
161 static int no_frame
= 0;
163 static bool grab_on_hover
;
164 Chardev
*serial_hds
[MAX_SERIAL_PORTS
];
165 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
166 Chardev
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
167 Chardev
*sclp_hds
[MAX_SCLP_CONSOLES
];
168 int win2k_install_hack
= 0;
174 int acpi_enabled
= 1;
177 static int no_reboot
;
180 int graphic_rotate
= 0;
181 const char *watchdog
;
182 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
185 const char *qemu_name
;
188 unsigned int nb_prom_envs
= 0;
189 const char *prom_envs
[MAX_PROM_ENVS
];
192 uint8_t *boot_splash_filedata
;
193 size_t boot_splash_filedata_size
;
194 uint8_t qemu_extra_params_fw
[2];
196 int icount_align_option
;
198 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
199 * little-endian "wire format" described in the SMBIOS 2.6 specification.
204 /* Trace unassigned memory or i/o accesses. */
205 bool trace_unassigned
;
207 static NotifierList exit_notifiers
=
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
210 static NotifierList machine_init_done_notifiers
=
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
215 enum xen_mode xen_mode
= XEN_EMULATE
;
216 bool xen_domid_restrict
;
218 static int has_defaults
= 1;
219 static int default_serial
= 1;
220 static int default_parallel
= 1;
221 static int default_virtcon
= 1;
222 static int default_sclp
= 1;
223 static int default_monitor
= 1;
224 static int default_floppy
= 1;
225 static int default_cdrom
= 1;
226 static int default_sdcard
= 1;
227 static int default_vga
= 1;
228 static int default_net
= 1;
234 { .driver
= "isa-serial", .flag
= &default_serial
},
235 { .driver
= "isa-parallel", .flag
= &default_parallel
},
236 { .driver
= "isa-fdc", .flag
= &default_floppy
},
237 { .driver
= "floppy", .flag
= &default_floppy
},
238 { .driver
= "ide-cd", .flag
= &default_cdrom
},
239 { .driver
= "ide-hd", .flag
= &default_cdrom
},
240 { .driver
= "ide-drive", .flag
= &default_cdrom
},
241 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
242 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
243 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
244 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
245 { .driver
= "VGA", .flag
= &default_vga
},
246 { .driver
= "isa-vga", .flag
= &default_vga
},
247 { .driver
= "cirrus-vga", .flag
= &default_vga
},
248 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
249 { .driver
= "vmware-svga", .flag
= &default_vga
},
250 { .driver
= "qxl-vga", .flag
= &default_vga
},
251 { .driver
= "virtio-vga", .flag
= &default_vga
},
254 static QemuOptsList qemu_rtc_opts
= {
256 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
260 .type
= QEMU_OPT_STRING
,
263 .type
= QEMU_OPT_STRING
,
266 .type
= QEMU_OPT_STRING
,
268 { /* end of list */ }
272 static QemuOptsList qemu_sandbox_opts
= {
274 .implied_opt_name
= "enable",
275 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
279 .type
= QEMU_OPT_BOOL
,
283 .type
= QEMU_OPT_STRING
,
286 .name
= "elevateprivileges",
287 .type
= QEMU_OPT_STRING
,
291 .type
= QEMU_OPT_STRING
,
294 .name
= "resourcecontrol",
295 .type
= QEMU_OPT_STRING
,
297 { /* end of list */ }
301 static QemuOptsList qemu_option_rom_opts
= {
302 .name
= "option-rom",
303 .implied_opt_name
= "romfile",
304 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
308 .type
= QEMU_OPT_NUMBER
,
311 .type
= QEMU_OPT_STRING
,
313 { /* end of list */ }
317 static QemuOptsList qemu_machine_opts
= {
319 .implied_opt_name
= "type",
321 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
324 * no elements => accept any
325 * sanity checking will happen later
326 * when setting machine properties
332 static QemuOptsList qemu_accel_opts
= {
334 .implied_opt_name
= "accel",
335 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
340 .type
= QEMU_OPT_STRING
,
341 .help
= "Select the type of accelerator",
345 .type
= QEMU_OPT_STRING
,
346 .help
= "Enable/disable multi-threaded TCG",
348 { /* end of list */ }
352 static QemuOptsList qemu_boot_opts
= {
354 .implied_opt_name
= "order",
356 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
360 .type
= QEMU_OPT_STRING
,
363 .type
= QEMU_OPT_STRING
,
366 .type
= QEMU_OPT_BOOL
,
369 .type
= QEMU_OPT_STRING
,
371 .name
= "splash-time",
372 .type
= QEMU_OPT_STRING
,
374 .name
= "reboot-timeout",
375 .type
= QEMU_OPT_STRING
,
378 .type
= QEMU_OPT_BOOL
,
384 static QemuOptsList qemu_add_fd_opts
= {
386 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
390 .type
= QEMU_OPT_NUMBER
,
391 .help
= "file descriptor of which a duplicate is added to fd set",
394 .type
= QEMU_OPT_NUMBER
,
395 .help
= "ID of the fd set to add fd to",
398 .type
= QEMU_OPT_STRING
,
399 .help
= "free-form string used to describe fd",
401 { /* end of list */ }
405 static QemuOptsList qemu_object_opts
= {
407 .implied_opt_name
= "qom-type",
408 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
414 static QemuOptsList qemu_tpmdev_opts
= {
416 .implied_opt_name
= "type",
417 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
419 /* options are defined in the TPM backends */
420 { /* end of list */ }
424 static QemuOptsList qemu_realtime_opts
= {
426 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
430 .type
= QEMU_OPT_BOOL
,
432 { /* end of list */ }
436 static QemuOptsList qemu_msg_opts
= {
438 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
442 .type
= QEMU_OPT_BOOL
,
444 { /* end of list */ }
448 static QemuOptsList qemu_name_opts
= {
450 .implied_opt_name
= "guest",
452 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
456 .type
= QEMU_OPT_STRING
,
457 .help
= "Sets the name of the guest.\n"
458 "This name will be displayed in the SDL window caption.\n"
459 "The name will also be used for the VNC server",
462 .type
= QEMU_OPT_STRING
,
463 .help
= "Sets the name of the QEMU process, as shown in top etc",
465 .name
= "debug-threads",
466 .type
= QEMU_OPT_BOOL
,
467 .help
= "When enabled, name the individual threads; defaults off.\n"
468 "NOTE: The thread names are for debugging and not a\n"
471 { /* End of list */ }
475 static QemuOptsList qemu_mem_opts
= {
477 .implied_opt_name
= "size",
478 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
483 .type
= QEMU_OPT_SIZE
,
487 .type
= QEMU_OPT_NUMBER
,
491 .type
= QEMU_OPT_SIZE
,
493 { /* end of list */ }
497 static QemuOptsList qemu_icount_opts
= {
499 .implied_opt_name
= "shift",
501 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
505 .type
= QEMU_OPT_STRING
,
508 .type
= QEMU_OPT_BOOL
,
511 .type
= QEMU_OPT_BOOL
,
514 .type
= QEMU_OPT_STRING
,
517 .type
= QEMU_OPT_STRING
,
519 .name
= "rrsnapshot",
520 .type
= QEMU_OPT_STRING
,
522 { /* end of list */ }
526 static QemuOptsList qemu_semihosting_config_opts
= {
527 .name
= "semihosting-config",
528 .implied_opt_name
= "enable",
529 .head
= QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts
.head
),
533 .type
= QEMU_OPT_BOOL
,
536 .type
= QEMU_OPT_STRING
,
539 .type
= QEMU_OPT_STRING
,
541 { /* end of list */ }
545 static QemuOptsList qemu_fw_cfg_opts
= {
547 .implied_opt_name
= "name",
548 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
552 .type
= QEMU_OPT_STRING
,
553 .help
= "Sets the fw_cfg name of the blob to be inserted",
556 .type
= QEMU_OPT_STRING
,
557 .help
= "Sets the name of the file from which\n"
558 "the fw_cfg blob will be loaded",
561 .type
= QEMU_OPT_STRING
,
562 .help
= "Sets content of the blob to be inserted from a string",
564 { /* end of list */ }
569 * Get machine options
571 * Returns: machine options (never null).
573 QemuOpts
*qemu_get_machine_opts(void)
575 return qemu_find_opts_singleton("machine");
578 const char *qemu_get_vm_name(void)
583 static void res_free(void)
585 g_free(boot_splash_filedata
);
586 boot_splash_filedata
= NULL
;
589 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
591 const char *driver
= qemu_opt_get(opts
, "driver");
596 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
597 if (strcmp(default_list
[i
].driver
, driver
) != 0)
599 *(default_list
[i
].flag
) = 0;
604 /***********************************************************/
607 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
609 /* We use RUN_STATE__MAX but any invalid value will do */
610 static RunState vmstop_requested
= RUN_STATE__MAX
;
611 static QemuMutex vmstop_lock
;
616 } RunStateTransition
;
618 static const RunStateTransition runstate_transitions_def
[] = {
620 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
621 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
624 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
625 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
626 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
627 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
628 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
629 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
630 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
631 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
632 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
633 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
634 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
635 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
637 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
638 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
639 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
641 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
642 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
643 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
645 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
646 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
647 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
648 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
649 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
651 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
652 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
653 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
655 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
656 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
657 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
659 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
660 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
661 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
662 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
663 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
665 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
666 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
668 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
670 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
671 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
672 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
673 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
674 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
675 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
676 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
677 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
678 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
679 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
680 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
682 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
684 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
685 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
686 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
688 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
689 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
690 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
691 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
692 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
693 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
695 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
696 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
697 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
698 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
700 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
701 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
702 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
704 { RUN_STATE__MAX
, RUN_STATE__MAX
},
707 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
709 bool runstate_check(RunState state
)
711 return current_run_state
== state
;
714 bool runstate_store(char *str
, size_t size
)
716 const char *state
= RunState_str(current_run_state
);
717 size_t len
= strlen(state
) + 1;
722 memcpy(str
, state
, len
);
726 static void runstate_init(void)
728 const RunStateTransition
*p
;
730 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
731 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
732 runstate_valid_transitions
[p
->from
][p
->to
] = true;
735 qemu_mutex_init(&vmstop_lock
);
738 /* This function will abort() on invalid state transitions */
739 void runstate_set(RunState new_state
)
741 assert(new_state
< RUN_STATE__MAX
);
743 if (current_run_state
== new_state
) {
747 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
748 error_report("invalid runstate transition: '%s' -> '%s'",
749 RunState_str(current_run_state
),
750 RunState_str(new_state
));
753 trace_runstate_set(new_state
);
754 current_run_state
= new_state
;
757 int runstate_is_running(void)
759 return runstate_check(RUN_STATE_RUNNING
);
762 bool runstate_needs_reset(void)
764 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
765 runstate_check(RUN_STATE_SHUTDOWN
);
768 StatusInfo
*qmp_query_status(Error
**errp
)
770 StatusInfo
*info
= g_malloc0(sizeof(*info
));
772 info
->running
= runstate_is_running();
773 info
->singlestep
= singlestep
;
774 info
->status
= current_run_state
;
779 bool qemu_vmstop_requested(RunState
*r
)
781 qemu_mutex_lock(&vmstop_lock
);
782 *r
= vmstop_requested
;
783 vmstop_requested
= RUN_STATE__MAX
;
784 qemu_mutex_unlock(&vmstop_lock
);
785 return *r
< RUN_STATE__MAX
;
788 void qemu_system_vmstop_request_prepare(void)
790 qemu_mutex_lock(&vmstop_lock
);
793 void qemu_system_vmstop_request(RunState state
)
795 vmstop_requested
= state
;
796 qemu_mutex_unlock(&vmstop_lock
);
800 /***********************************************************/
801 /* real time host monotonic timer */
803 static time_t qemu_time(void)
805 return qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
808 /***********************************************************/
809 /* host time/date access */
810 void qemu_get_timedate(struct tm
*tm
, int offset
)
812 time_t ti
= qemu_time();
815 if (rtc_date_offset
== -1) {
819 localtime_r(&ti
, tm
);
821 ti
-= rtc_date_offset
;
826 int qemu_timedate_diff(struct tm
*tm
)
830 if (rtc_date_offset
== -1)
832 seconds
= mktimegm(tm
);
835 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
836 seconds
= mktime(&tmp
);
839 seconds
= mktimegm(tm
) + rtc_date_offset
;
841 return seconds
- qemu_time();
844 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
846 time_t rtc_start_date
;
849 if (!strcmp(startdate
, "now") && legacy
) {
850 rtc_date_offset
= -1;
852 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
860 } else if (sscanf(startdate
, "%d-%d-%d",
872 rtc_start_date
= mktimegm(&tm
);
873 if (rtc_start_date
== -1) {
875 error_report("invalid date format");
876 error_printf("valid formats: "
877 "'2006-06-17T16:01:21' or '2006-06-17'\n");
880 rtc_date_offset
= qemu_time() - rtc_start_date
;
884 static void configure_rtc(QemuOpts
*opts
)
888 value
= qemu_opt_get(opts
, "base");
890 if (!strcmp(value
, "utc")) {
892 } else if (!strcmp(value
, "localtime")) {
893 Error
*blocker
= NULL
;
895 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
896 "-rtc base=localtime");
897 replay_add_blocker(blocker
);
899 configure_rtc_date_offset(value
, 0);
902 value
= qemu_opt_get(opts
, "clock");
904 if (!strcmp(value
, "host")) {
905 rtc_clock
= QEMU_CLOCK_HOST
;
906 } else if (!strcmp(value
, "rt")) {
907 rtc_clock
= QEMU_CLOCK_REALTIME
;
908 } else if (!strcmp(value
, "vm")) {
909 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
911 error_report("invalid option value '%s'", value
);
915 value
= qemu_opt_get(opts
, "driftfix");
917 if (!strcmp(value
, "slew")) {
918 static GlobalProperty slew_lost_ticks
= {
919 .driver
= "mc146818rtc",
920 .property
= "lost_tick_policy",
924 qdev_prop_register_global(&slew_lost_ticks
);
925 } else if (!strcmp(value
, "none")) {
926 /* discard is default */
928 error_report("invalid option value '%s'", value
);
934 /***********************************************************/
935 /* Bluetooth support */
938 static struct HCIInfo
*hci_table
[MAX_NICS
];
940 struct HCIInfo
*qemu_next_hci(void)
942 if (cur_hci
== nb_hcis
)
945 return hci_table
[cur_hci
++];
948 static int bt_hci_parse(const char *str
)
953 if (nb_hcis
>= MAX_NICS
) {
954 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
967 bdaddr
.b
[5] = 0x56 + nb_hcis
;
968 hci
->bdaddr_set(hci
, bdaddr
.b
);
970 hci_table
[nb_hcis
++] = hci
;
975 static void bt_vhci_add(int vlan_id
)
977 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
980 warn_report("adding a VHCI to an empty scatternet %i",
983 bt_vhci_init(bt_new_hci(vlan
));
986 static struct bt_device_s
*bt_device_add(const char *opt
)
988 struct bt_scatternet_s
*vlan
;
990 char *endp
= strstr(opt
, ",vlan=");
991 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
994 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
997 vlan_id
= strtol(endp
+ 6, &endp
, 0);
999 error_report("unrecognised bluetooth vlan Id");
1004 vlan
= qemu_find_bt_vlan(vlan_id
);
1007 warn_report("adding a slave device to an empty scatternet %i",
1010 if (!strcmp(devname
, "keyboard"))
1011 return bt_keyboard_init(vlan
);
1013 error_report("unsupported bluetooth device '%s'", devname
);
1017 static int bt_parse(const char *opt
)
1019 const char *endp
, *p
;
1022 if (strstart(opt
, "hci", &endp
)) {
1023 if (!*endp
|| *endp
== ',') {
1025 if (!strstart(endp
, ",vlan=", 0))
1028 return bt_hci_parse(opt
);
1030 } else if (strstart(opt
, "vhci", &endp
)) {
1031 if (!*endp
|| *endp
== ',') {
1033 if (strstart(endp
, ",vlan=", &p
)) {
1034 vlan
= strtol(p
, (char **) &endp
, 0);
1036 error_report("bad scatternet '%s'", p
);
1040 error_report("bad parameter '%s'", endp
+ 1);
1049 } else if (strstart(opt
, "device:", &endp
))
1050 return !bt_device_add(endp
);
1052 error_report("bad bluetooth parameter '%s'", opt
);
1056 static int parse_sandbox(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1058 if (qemu_opt_get_bool(opts
, "enable", false)) {
1059 #ifdef CONFIG_SECCOMP
1060 uint32_t seccomp_opts
= QEMU_SECCOMP_SET_DEFAULT
1061 | QEMU_SECCOMP_SET_OBSOLETE
;
1062 const char *value
= NULL
;
1064 value
= qemu_opt_get(opts
, "obsolete");
1066 if (g_str_equal(value
, "allow")) {
1067 seccomp_opts
&= ~QEMU_SECCOMP_SET_OBSOLETE
;
1068 } else if (g_str_equal(value
, "deny")) {
1069 /* this is the default option, this if is here
1070 * to provide a little bit of consistency for
1071 * the command line */
1073 error_report("invalid argument for obsolete");
1078 value
= qemu_opt_get(opts
, "elevateprivileges");
1080 if (g_str_equal(value
, "deny")) {
1081 seccomp_opts
|= QEMU_SECCOMP_SET_PRIVILEGED
;
1082 } else if (g_str_equal(value
, "children")) {
1083 seccomp_opts
|= QEMU_SECCOMP_SET_PRIVILEGED
;
1085 /* calling prctl directly because we're
1086 * not sure if host has CAP_SYS_ADMIN set*/
1087 if (prctl(PR_SET_NO_NEW_PRIVS
, 1)) {
1088 error_report("failed to set no_new_privs "
1092 } else if (g_str_equal(value
, "allow")) {
1095 error_report("invalid argument for elevateprivileges");
1100 value
= qemu_opt_get(opts
, "spawn");
1102 if (g_str_equal(value
, "deny")) {
1103 seccomp_opts
|= QEMU_SECCOMP_SET_SPAWN
;
1104 } else if (g_str_equal(value
, "allow")) {
1107 error_report("invalid argument for spawn");
1112 value
= qemu_opt_get(opts
, "resourcecontrol");
1114 if (g_str_equal(value
, "deny")) {
1115 seccomp_opts
|= QEMU_SECCOMP_SET_RESOURCECTL
;
1116 } else if (g_str_equal(value
, "allow")) {
1119 error_report("invalid argument for resourcecontrol");
1124 if (seccomp_start(seccomp_opts
) < 0) {
1125 error_report("failed to install seccomp syscall filter "
1130 error_report("seccomp support is disabled");
1138 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1140 const char *proc_name
;
1142 if (qemu_opt_get(opts
, "debug-threads")) {
1143 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1145 qemu_name
= qemu_opt_get(opts
, "guest");
1147 proc_name
= qemu_opt_get(opts
, "process");
1149 os_set_proc_name(proc_name
);
1155 bool defaults_enabled(void)
1157 return has_defaults
;
1161 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1163 int fd
, dupfd
, flags
;
1165 const char *fd_opaque
= NULL
;
1168 fd
= qemu_opt_get_number(opts
, "fd", -1);
1169 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1170 fd_opaque
= qemu_opt_get(opts
, "opaque");
1173 error_report("fd option is required and must be non-negative");
1177 if (fd
<= STDERR_FILENO
) {
1178 error_report("fd cannot be a standard I/O stream");
1183 * All fds inherited across exec() necessarily have FD_CLOEXEC
1184 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1186 flags
= fcntl(fd
, F_GETFD
);
1187 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1188 error_report("fd is not valid or already in use");
1193 error_report("set option is required and must be non-negative");
1197 #ifdef F_DUPFD_CLOEXEC
1198 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1202 qemu_set_cloexec(dupfd
);
1206 error_report("error duplicating fd: %s", strerror(errno
));
1210 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1211 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1218 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1222 fd
= qemu_opt_get_number(opts
, "fd", -1);
1229 /***********************************************************/
1230 /* QEMU Block devices */
1232 #define HD_OPTS "media=disk"
1233 #define CDROM_OPTS "media=cdrom"
1235 #define PFLASH_OPTS ""
1239 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1241 BlockInterfaceType
*block_default_type
= opaque
;
1243 return drive_new(opts
, *block_default_type
) == NULL
;
1246 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1248 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1249 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1254 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1255 int index
, const char *optstr
)
1260 if (!enable
|| drive_get_by_index(type
, index
)) {
1264 opts
= drive_add(type
, index
, NULL
, optstr
);
1266 drive_enable_snapshot(NULL
, opts
, NULL
);
1269 dinfo
= drive_new(opts
, type
);
1273 dinfo
->is_default
= true;
1277 static QemuOptsList qemu_smp_opts
= {
1279 .implied_opt_name
= "cpus",
1280 .merge_lists
= true,
1281 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1285 .type
= QEMU_OPT_NUMBER
,
1288 .type
= QEMU_OPT_NUMBER
,
1291 .type
= QEMU_OPT_NUMBER
,
1294 .type
= QEMU_OPT_NUMBER
,
1297 .type
= QEMU_OPT_NUMBER
,
1299 { /*End of list */ }
1303 static void smp_parse(QemuOpts
*opts
)
1306 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1307 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1308 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1309 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1311 /* compute missing values, prefer sockets over cores over threads */
1312 if (cpus
== 0 || sockets
== 0) {
1313 sockets
= sockets
> 0 ? sockets
: 1;
1314 cores
= cores
> 0 ? cores
: 1;
1315 threads
= threads
> 0 ? threads
: 1;
1317 cpus
= cores
* threads
* sockets
;
1319 } else if (cores
== 0) {
1320 threads
= threads
> 0 ? threads
: 1;
1321 cores
= cpus
/ (sockets
* threads
);
1322 cores
= cores
> 0 ? cores
: 1;
1323 } else if (threads
== 0) {
1324 threads
= cpus
/ (cores
* sockets
);
1325 threads
= threads
> 0 ? threads
: 1;
1326 } else if (sockets
* cores
* threads
< cpus
) {
1327 error_report("cpu topology: "
1328 "sockets (%u) * cores (%u) * threads (%u) < "
1330 sockets
, cores
, threads
, cpus
);
1334 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", cpus
);
1336 if (max_cpus
< cpus
) {
1337 error_report("maxcpus must be equal to or greater than smp");
1341 if (sockets
* cores
* threads
> max_cpus
) {
1342 error_report("cpu topology: "
1343 "sockets (%u) * cores (%u) * threads (%u) > "
1345 sockets
, cores
, threads
, max_cpus
);
1351 smp_threads
= threads
;
1355 Error
*blocker
= NULL
;
1356 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1357 replay_add_blocker(blocker
);
1361 static void realtime_init(void)
1364 if (os_mlock() < 0) {
1365 error_report("locking memory failed");
1372 static void configure_msg(QemuOpts
*opts
)
1374 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1377 /***********************************************************/
1380 typedef struct SemihostingConfig
{
1382 SemihostingTarget target
;
1385 const char *cmdline
; /* concatenated argv */
1386 } SemihostingConfig
;
1388 static SemihostingConfig semihosting
;
1390 bool semihosting_enabled(void)
1392 return semihosting
.enabled
;
1395 SemihostingTarget
semihosting_get_target(void)
1397 return semihosting
.target
;
1400 const char *semihosting_get_arg(int i
)
1402 if (i
>= semihosting
.argc
) {
1405 return semihosting
.argv
[i
];
1408 int semihosting_get_argc(void)
1410 return semihosting
.argc
;
1413 const char *semihosting_get_cmdline(void)
1415 if (semihosting
.cmdline
== NULL
&& semihosting
.argc
> 0) {
1416 semihosting
.cmdline
= g_strjoinv(" ", (gchar
**)semihosting
.argv
);
1418 return semihosting
.cmdline
;
1421 static int add_semihosting_arg(void *opaque
,
1422 const char *name
, const char *val
,
1425 SemihostingConfig
*s
= opaque
;
1426 if (strcmp(name
, "arg") == 0) {
1428 /* one extra element as g_strjoinv() expects NULL-terminated array */
1429 s
->argv
= g_realloc(s
->argv
, (s
->argc
+ 1) * sizeof(void *));
1430 s
->argv
[s
->argc
- 1] = val
;
1431 s
->argv
[s
->argc
] = NULL
;
1436 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1437 static inline void semihosting_arg_fallback(const char *file
, const char *cmd
)
1442 add_semihosting_arg(&semihosting
, "arg", file
, NULL
);
1444 /* split -append and initialize argv[1..n] */
1445 cmd_token
= strtok(g_strdup(cmd
), " ");
1447 add_semihosting_arg(&semihosting
, "arg", cmd_token
, NULL
);
1448 cmd_token
= strtok(NULL
, " ");
1452 /* Now we still need this for compatibility with XEN. */
1453 bool has_igd_gfx_passthru
;
1454 static void igd_gfx_passthru(void)
1456 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1459 /***********************************************************/
1462 static int usb_device_add(const char *devname
)
1464 USBDevice
*dev
= NULL
;
1465 #ifndef CONFIG_LINUX
1469 if (!machine_usb(current_machine
)) {
1473 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1474 dev
= usbdevice_create(devname
);
1478 /* the other ones */
1479 #ifndef CONFIG_LINUX
1480 /* only the linux version is qdev-ified, usb-bsd still needs this */
1481 if (strstart(devname
, "host:", &p
)) {
1482 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1492 static int usb_device_del(const char *devname
)
1497 if (strstart(devname
, "host:", &p
)) {
1501 if (!machine_usb(current_machine
)) {
1505 p
= strchr(devname
, '.');
1508 bus_num
= strtoul(devname
, NULL
, 0);
1509 addr
= strtoul(p
+ 1, NULL
, 0);
1511 return usb_device_delete_addr(bus_num
, addr
);
1514 static int usb_parse(const char *cmdline
)
1517 r
= usb_device_add(cmdline
);
1519 error_report("could not add USB device '%s'", cmdline
);
1524 void hmp_usb_add(Monitor
*mon
, const QDict
*qdict
)
1526 const char *devname
= qdict_get_str(qdict
, "devname");
1528 error_report("usb_add is deprecated, please use device_add instead");
1530 if (usb_device_add(devname
) < 0) {
1531 error_report("could not add USB device '%s'", devname
);
1535 void hmp_usb_del(Monitor
*mon
, const QDict
*qdict
)
1537 const char *devname
= qdict_get_str(qdict
, "devname");
1539 error_report("usb_del is deprecated, please use device_del instead");
1541 if (usb_device_del(devname
) < 0) {
1542 error_report("could not delete USB device '%s'", devname
);
1546 /***********************************************************/
1547 /* machine registration */
1549 MachineState
*current_machine
;
1551 static MachineClass
*find_machine(const char *name
)
1553 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1554 MachineClass
*mc
= NULL
;
1556 for (el
= machines
; el
; el
= el
->next
) {
1557 MachineClass
*temp
= el
->data
;
1559 if (!strcmp(temp
->name
, name
)) {
1564 !strcmp(temp
->alias
, name
)) {
1570 g_slist_free(machines
);
1574 MachineClass
*find_default_machine(void)
1576 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1577 MachineClass
*mc
= NULL
;
1579 for (el
= machines
; el
; el
= el
->next
) {
1580 MachineClass
*temp
= el
->data
;
1582 if (temp
->is_default
) {
1588 g_slist_free(machines
);
1592 MachineInfoList
*qmp_query_machines(Error
**errp
)
1594 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1595 MachineInfoList
*mach_list
= NULL
;
1597 for (el
= machines
; el
; el
= el
->next
) {
1598 MachineClass
*mc
= el
->data
;
1599 MachineInfoList
*entry
;
1602 info
= g_malloc0(sizeof(*info
));
1603 if (mc
->is_default
) {
1604 info
->has_is_default
= true;
1605 info
->is_default
= true;
1609 info
->has_alias
= true;
1610 info
->alias
= g_strdup(mc
->alias
);
1613 info
->name
= g_strdup(mc
->name
);
1614 info
->cpu_max
= !mc
->max_cpus
? 1 : mc
->max_cpus
;
1615 info
->hotpluggable_cpus
= mc
->has_hotpluggable_cpus
;
1617 entry
= g_malloc0(sizeof(*entry
));
1618 entry
->value
= info
;
1619 entry
->next
= mach_list
;
1623 g_slist_free(machines
);
1627 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1629 ObjectProperty
*prop
;
1630 ObjectPropertyIterator iter
;
1632 if (!qemu_opt_has_help_opt(opts
)) {
1636 object_property_iter_init(&iter
, OBJECT(machine
));
1637 while ((prop
= object_property_iter_next(&iter
))) {
1642 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1643 prop
->name
, prop
->type
);
1644 if (prop
->description
) {
1645 error_printf(" (%s)\n", prop
->description
);
1654 /***********************************************************/
1655 /* main execution loop */
1657 struct vm_change_state_entry
{
1658 VMChangeStateHandler
*cb
;
1660 QLIST_ENTRY (vm_change_state_entry
) entries
;
1663 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1665 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1668 VMChangeStateEntry
*e
;
1670 e
= g_malloc0(sizeof (*e
));
1674 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1678 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1680 QLIST_REMOVE (e
, entries
);
1684 void vm_state_notify(int running
, RunState state
)
1686 VMChangeStateEntry
*e
, *next
;
1688 trace_vm_state_notify(running
, state
);
1690 QLIST_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1691 e
->cb(e
->opaque
, running
, state
);
1695 static ShutdownCause reset_requested
;
1696 static ShutdownCause shutdown_requested
;
1697 static int shutdown_signal
;
1698 static pid_t shutdown_pid
;
1699 static int powerdown_requested
;
1700 static int debug_requested
;
1701 static int suspend_requested
;
1702 static WakeupReason wakeup_reason
;
1703 static NotifierList powerdown_notifiers
=
1704 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1705 static NotifierList suspend_notifiers
=
1706 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1707 static NotifierList wakeup_notifiers
=
1708 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1709 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1711 ShutdownCause
qemu_shutdown_requested_get(void)
1713 return shutdown_requested
;
1716 ShutdownCause
qemu_reset_requested_get(void)
1718 return reset_requested
;
1721 static int qemu_shutdown_requested(void)
1723 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1726 static void qemu_kill_report(void)
1728 if (!qtest_driver() && shutdown_signal
) {
1729 if (shutdown_pid
== 0) {
1730 /* This happens for eg ^C at the terminal, so it's worth
1731 * avoiding printing an odd message in that case.
1733 error_report("terminating on signal %d", shutdown_signal
);
1735 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1737 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1738 shutdown_signal
, shutdown_pid
,
1739 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1740 g_free(shutdown_cmd
);
1742 shutdown_signal
= 0;
1746 static ShutdownCause
qemu_reset_requested(void)
1748 ShutdownCause r
= reset_requested
;
1750 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1751 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1754 return SHUTDOWN_CAUSE_NONE
;
1757 static int qemu_suspend_requested(void)
1759 int r
= suspend_requested
;
1760 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1761 suspend_requested
= 0;
1767 static WakeupReason
qemu_wakeup_requested(void)
1769 return wakeup_reason
;
1772 static int qemu_powerdown_requested(void)
1774 int r
= powerdown_requested
;
1775 powerdown_requested
= 0;
1779 static int qemu_debug_requested(void)
1781 int r
= debug_requested
;
1782 debug_requested
= 0;
1787 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1789 void qemu_system_reset(ShutdownCause reason
)
1793 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1795 cpu_synchronize_all_states();
1797 if (mc
&& mc
->reset
) {
1800 qemu_devices_reset();
1803 qapi_event_send_reset(shutdown_caused_by_guest(reason
),
1806 cpu_synchronize_all_post_reset();
1809 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1811 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed\n");
1814 current_cpu
->crash_occurred
= true;
1816 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1817 !!info
, info
, &error_abort
);
1818 vm_stop(RUN_STATE_GUEST_PANICKED
);
1820 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1821 !!info
, info
, &error_abort
);
1822 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1826 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1827 qemu_log_mask(LOG_GUEST_ERROR
, "HV crash parameters: (%#"PRIx64
1828 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1829 info
->u
.hyper_v
.arg1
,
1830 info
->u
.hyper_v
.arg2
,
1831 info
->u
.hyper_v
.arg3
,
1832 info
->u
.hyper_v
.arg4
,
1833 info
->u
.hyper_v
.arg5
);
1835 qapi_free_GuestPanicInformation(info
);
1839 void qemu_system_reset_request(ShutdownCause reason
)
1842 shutdown_requested
= reason
;
1844 reset_requested
= reason
;
1847 qemu_notify_event();
1850 static void qemu_system_suspend(void)
1853 notifier_list_notify(&suspend_notifiers
, NULL
);
1854 runstate_set(RUN_STATE_SUSPENDED
);
1855 qapi_event_send_suspend(&error_abort
);
1858 void qemu_system_suspend_request(void)
1860 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1863 suspend_requested
= 1;
1865 qemu_notify_event();
1868 void qemu_register_suspend_notifier(Notifier
*notifier
)
1870 notifier_list_add(&suspend_notifiers
, notifier
);
1873 void qemu_system_wakeup_request(WakeupReason reason
)
1875 trace_system_wakeup_request(reason
);
1877 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1880 if (!(wakeup_reason_mask
& (1 << reason
))) {
1883 runstate_set(RUN_STATE_RUNNING
);
1884 wakeup_reason
= reason
;
1885 qemu_notify_event();
1888 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1891 wakeup_reason_mask
|= (1 << reason
);
1893 wakeup_reason_mask
&= ~(1 << reason
);
1897 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1899 notifier_list_add(&wakeup_notifiers
, notifier
);
1902 void qemu_system_killed(int signal
, pid_t pid
)
1904 shutdown_signal
= signal
;
1908 /* Cannot call qemu_system_shutdown_request directly because
1909 * we are in a signal handler.
1911 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1912 qemu_notify_event();
1915 void qemu_system_shutdown_request(ShutdownCause reason
)
1917 trace_qemu_system_shutdown_request(reason
);
1918 replay_shutdown_request(reason
);
1919 shutdown_requested
= reason
;
1920 qemu_notify_event();
1923 static void qemu_system_powerdown(void)
1925 qapi_event_send_powerdown(&error_abort
);
1926 notifier_list_notify(&powerdown_notifiers
, NULL
);
1929 void qemu_system_powerdown_request(void)
1931 trace_qemu_system_powerdown_request();
1932 powerdown_requested
= 1;
1933 qemu_notify_event();
1936 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1938 notifier_list_add(&powerdown_notifiers
, notifier
);
1941 void qemu_system_debug_request(void)
1943 debug_requested
= 1;
1944 qemu_notify_event();
1947 static bool main_loop_should_exit(void)
1950 ShutdownCause request
;
1952 if (qemu_debug_requested()) {
1953 vm_stop(RUN_STATE_DEBUG
);
1955 if (qemu_suspend_requested()) {
1956 qemu_system_suspend();
1958 request
= qemu_shutdown_requested();
1961 qapi_event_send_shutdown(shutdown_caused_by_guest(request
),
1964 vm_stop(RUN_STATE_SHUTDOWN
);
1969 request
= qemu_reset_requested();
1972 qemu_system_reset(request
);
1974 if (!runstate_check(RUN_STATE_RUNNING
) &&
1975 !runstate_check(RUN_STATE_INMIGRATE
)) {
1976 runstate_set(RUN_STATE_PRELAUNCH
);
1979 if (qemu_wakeup_requested()) {
1981 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1982 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1983 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1985 qapi_event_send_wakeup(&error_abort
);
1987 if (qemu_powerdown_requested()) {
1988 qemu_system_powerdown();
1990 if (qemu_vmstop_requested(&r
)) {
1996 static void main_loop(void)
1998 #ifdef CONFIG_PROFILER
2002 #ifdef CONFIG_PROFILER
2003 ti
= profile_getclock();
2005 main_loop_wait(false);
2006 #ifdef CONFIG_PROFILER
2007 dev_time
+= profile_getclock() - ti
;
2009 } while (!main_loop_should_exit());
2012 static void version(void)
2014 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
"\n"
2015 QEMU_COPYRIGHT
"\n");
2018 static void QEMU_NORETURN
help(int exitcode
)
2021 printf("usage: %s [options] [disk_image]\n\n"
2022 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2023 error_get_progname());
2025 #define QEMU_OPTIONS_GENERATE_HELP
2026 #include "qemu-options-wrapper.h"
2028 printf("\nDuring emulation, the following keys are useful:\n"
2029 "ctrl-alt-f toggle full screen\n"
2030 "ctrl-alt-n switch to virtual console 'n'\n"
2031 "ctrl-alt toggle mouse and keyboard grab\n"
2033 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2035 QEMU_HELP_BOTTOM
"\n");
2040 #define HAS_ARG 0x0001
2042 typedef struct QEMUOption
{
2049 static const QEMUOption qemu_options
[] = {
2050 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2051 #define QEMU_OPTIONS_GENERATE_OPTIONS
2052 #include "qemu-options-wrapper.h"
2056 typedef struct VGAInterfaceInfo
{
2057 const char *opt_name
; /* option name */
2058 const char *name
; /* human-readable name */
2059 /* Class names indicating that support is available.
2060 * If no class is specified, the interface is always available */
2061 const char *class_names
[2];
2064 static VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
2070 .name
= "standard VGA",
2071 .class_names
= { "VGA", "isa-vga" },
2074 .opt_name
= "cirrus",
2075 .name
= "Cirrus VGA",
2076 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
2079 .opt_name
= "vmware",
2080 .name
= "VMWare SVGA",
2081 .class_names
= { "vmware-svga" },
2084 .opt_name
= "virtio",
2085 .name
= "Virtio VGA",
2086 .class_names
= { "virtio-vga" },
2091 .class_names
= { "qxl-vga" },
2095 .name
= "TCX framebuffer",
2096 .class_names
= { "SUNW,tcx" },
2100 .name
= "CG3 framebuffer",
2101 .class_names
= { "cgthree" },
2104 .opt_name
= "xenfb",
2108 static bool vga_interface_available(VGAInterfaceType t
)
2110 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2112 assert(t
< VGA_TYPE_MAX
);
2113 return !ti
->class_names
[0] ||
2114 object_class_by_name(ti
->class_names
[0]) ||
2115 object_class_by_name(ti
->class_names
[1]);
2118 static void select_vgahw(const char *p
)
2123 assert(vga_interface_type
== VGA_NONE
);
2124 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
2125 VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
2126 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
2127 if (!vga_interface_available(t
)) {
2128 error_report("%s not available", ti
->name
);
2131 vga_interface_type
= t
;
2135 if (t
== VGA_TYPE_MAX
) {
2137 error_report("unknown vga type: %s", p
);
2141 const char *nextopt
;
2143 if (strstart(opts
, ",retrace=", &nextopt
)) {
2145 if (strstart(opts
, "dumb", &nextopt
))
2146 vga_retrace_method
= VGA_RETRACE_DUMB
;
2147 else if (strstart(opts
, "precise", &nextopt
))
2148 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2149 else goto invalid_vga
;
2150 } else goto invalid_vga
;
2155 typedef enum DisplayType
{
2165 static DisplayType
select_display(const char *p
)
2168 DisplayType display
= DT_DEFAULT
;
2170 if (strstart(p
, "sdl", &opts
)) {
2174 const char *nextopt
;
2176 if (strstart(opts
, ",frame=", &nextopt
)) {
2178 if (strstart(opts
, "on", &nextopt
)) {
2180 } else if (strstart(opts
, "off", &nextopt
)) {
2183 goto invalid_sdl_args
;
2185 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2187 if (strstart(opts
, "on", &nextopt
)) {
2189 } else if (strstart(opts
, "off", &nextopt
)) {
2192 goto invalid_sdl_args
;
2194 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2196 if (strstart(opts
, "on", &nextopt
)) {
2198 } else if (strstart(opts
, "off", &nextopt
)) {
2201 goto invalid_sdl_args
;
2203 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2205 if (strstart(opts
, "on", &nextopt
)) {
2207 } else if (strstart(opts
, "off", &nextopt
)) {
2210 goto invalid_sdl_args
;
2212 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2214 if (strstart(opts
, "on", &nextopt
)) {
2216 } else if (strstart(opts
, "off", &nextopt
)) {
2219 goto invalid_sdl_args
;
2223 error_report("invalid SDL option string");
2229 error_report("SDL support is disabled");
2232 } else if (strstart(p
, "vnc", &opts
)) {
2234 vnc_parse(opts
+ 1, &error_fatal
);
2236 error_report("VNC requires a display argument vnc=<display>");
2239 } else if (strstart(p
, "egl-headless", &opts
)) {
2240 #ifdef CONFIG_OPENGL_DMABUF
2245 fprintf(stderr
, "egl support is disabled\n");
2248 } else if (strstart(p
, "curses", &opts
)) {
2249 #ifdef CONFIG_CURSES
2250 display
= DT_CURSES
;
2252 error_report("curses support is disabled");
2255 } else if (strstart(p
, "gtk", &opts
)) {
2259 const char *nextopt
;
2261 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2263 if (strstart(opts
, "on", &nextopt
)) {
2264 grab_on_hover
= true;
2265 } else if (strstart(opts
, "off", &nextopt
)) {
2266 grab_on_hover
= false;
2268 goto invalid_gtk_args
;
2270 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2272 if (strstart(opts
, "on", &nextopt
)) {
2274 } else if (strstart(opts
, "off", &nextopt
)) {
2277 goto invalid_gtk_args
;
2281 error_report("invalid GTK option string");
2287 error_report("GTK support is disabled");
2290 } else if (strstart(p
, "none", &opts
)) {
2293 error_report("unknown display type");
2300 static int balloon_parse(const char *arg
)
2304 if (strcmp(arg
, "none") == 0) {
2308 if (!strncmp(arg
, "virtio", 6)) {
2309 if (arg
[6] == ',') {
2310 /* have params -> parse them */
2311 opts
= qemu_opts_parse_noisily(qemu_find_opts("device"), arg
+ 7,
2316 /* create empty opts */
2317 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2320 qemu_opt_set(opts
, "driver", "virtio-balloon", &error_abort
);
2327 #if defined(CONFIG_RUBY)
2328 /* Ruby interface for QEMU. See README.EXT for programming example. */
2332 static VALUE
qemu_open(int argc
, VALUE
*argv
, VALUE klass
)
2335 for (i
= 0; i
< argc
; i
++) {
2336 argv
[i
] = StringValue(argv
[i
]);
2337 fprintf(stderr
, "argv[%d] = %s\n", i
, StringValuePtr(argv
[i
]));
2339 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2340 //~ mode = 0666; /* default value */
2342 return INT2FIX(argc
);
2345 void Init_qemu(void)
2347 printf("%s\n", __func__
);
2348 VALUE cQEMU
= rb_define_class("QEMU", rb_cObject
);
2349 rb_define_singleton_method(cQEMU
, "run", qemu_open
, -1);
2354 #endif /* CONFIG_RUBY */
2356 #if defined(CONFIG_DLL)
2357 BOOL APIENTRY
DllMain(HINSTANCE hModule
, DWORD ul_reason_for_call
, LPVOID data
)
2361 #endif /* CONFIG_DLL */
2363 char *qemu_find_file(int type
, const char *name
)
2369 /* Try the name as a straight path first */
2370 if (access(name
, R_OK
) == 0) {
2371 trace_load_file(name
, name
);
2372 return g_strdup(name
);
2376 case QEMU_FILE_TYPE_BIOS
:
2379 case QEMU_FILE_TYPE_KEYMAP
:
2380 subdir
= "keymaps/";
2386 for (i
= 0; i
< data_dir_idx
; i
++) {
2387 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2388 if (access(buf
, R_OK
) == 0) {
2389 trace_load_file(name
, buf
);
2397 static void qemu_add_data_dir(const char *path
)
2404 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2407 for (i
= 0; i
< data_dir_idx
; i
++) {
2408 if (strcmp(data_dir
[i
], path
) == 0) {
2409 return; /* duplicate */
2412 data_dir
[data_dir_idx
++] = path
;
2415 static inline bool nonempty_str(const char *str
)
2420 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2424 const char *name
, *file
, *str
;
2425 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2427 if (fw_cfg
== NULL
) {
2428 error_report("fw_cfg device not available");
2431 name
= qemu_opt_get(opts
, "name");
2432 file
= qemu_opt_get(opts
, "file");
2433 str
= qemu_opt_get(opts
, "string");
2435 /* we need name and either a file or the content string */
2436 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2437 error_report("invalid argument(s)");
2440 if (nonempty_str(file
) && nonempty_str(str
)) {
2441 error_report("file and string are mutually exclusive");
2444 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2445 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH
- 1);
2448 if (strncmp(name
, "opt/", 4) != 0) {
2449 warn_report("externally provided fw_cfg item names "
2450 "should be prefixed with \"opt/\"");
2452 if (nonempty_str(str
)) {
2453 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2454 buf
= g_memdup(str
, size
);
2456 if (!g_file_get_contents(file
, &buf
, &size
, NULL
)) {
2457 error_report("can't load %s", file
);
2461 /* For legacy, keep user files in a specific global order. */
2462 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2463 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2464 fw_cfg_reset_order_override(fw_cfg
);
2468 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2470 return qdev_device_help(opts
);
2473 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2478 dev
= qdev_device_add(opts
, &err
);
2480 error_report_err(err
);
2483 object_unref(OBJECT(dev
));
2487 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2489 Error
*local_err
= NULL
;
2491 if (!qemu_chr_new_from_opts(opts
, &local_err
)) {
2493 error_report_err(local_err
);
2501 #ifdef CONFIG_VIRTFS
2502 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2504 return qemu_fsdev_add(opts
);
2508 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2511 const char *chardev
;
2515 mode
= qemu_opt_get(opts
, "mode");
2519 if (strcmp(mode
, "readline") == 0) {
2520 flags
= MONITOR_USE_READLINE
;
2521 } else if (strcmp(mode
, "control") == 0) {
2522 flags
= MONITOR_USE_CONTROL
;
2524 error_report("unknown monitor mode \"%s\"", mode
);
2528 if (qemu_opt_get_bool(opts
, "pretty", 0))
2529 flags
|= MONITOR_USE_PRETTY
;
2531 if (qemu_opt_get_bool(opts
, "default", 0)) {
2532 error_report("option 'default' does nothing and is deprecated");
2535 chardev
= qemu_opt_get(opts
, "chardev");
2536 chr
= qemu_chr_find(chardev
);
2538 error_report("chardev \"%s\" not found", chardev
);
2542 monitor_init(chr
, flags
);
2546 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2548 static int monitor_device_index
= 0;
2553 if (strstart(optarg
, "chardev:", &p
)) {
2554 snprintf(label
, sizeof(label
), "%s", p
);
2556 snprintf(label
, sizeof(label
), "compat_monitor%d",
2557 monitor_device_index
);
2558 opts
= qemu_chr_parse_compat(label
, optarg
);
2560 error_report("parse error: %s", optarg
);
2565 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2566 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2567 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2568 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2569 monitor_device_index
++;
2572 struct device_config
{
2574 DEV_USB
, /* -usbdevice */
2576 DEV_SERIAL
, /* -serial */
2577 DEV_PARALLEL
, /* -parallel */
2578 DEV_VIRTCON
, /* -virtioconsole */
2579 DEV_DEBUGCON
, /* -debugcon */
2580 DEV_GDB
, /* -gdb, -s */
2581 DEV_SCLP
, /* s390 sclp */
2583 const char *cmdline
;
2585 QTAILQ_ENTRY(device_config
) next
;
2588 static QTAILQ_HEAD(, device_config
) device_configs
=
2589 QTAILQ_HEAD_INITIALIZER(device_configs
);
2591 static void add_device_config(int type
, const char *cmdline
)
2593 struct device_config
*conf
;
2595 conf
= g_malloc0(sizeof(*conf
));
2597 conf
->cmdline
= cmdline
;
2598 loc_save(&conf
->loc
);
2599 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2602 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2604 struct device_config
*conf
;
2607 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2608 if (conf
->type
!= type
)
2610 loc_push_restore(&conf
->loc
);
2611 rc
= func(conf
->cmdline
);
2612 loc_pop(&conf
->loc
);
2620 static int serial_parse(const char *devname
)
2622 static int index
= 0;
2625 if (strcmp(devname
, "none") == 0)
2627 if (index
== MAX_SERIAL_PORTS
) {
2628 error_report("too many serial ports");
2631 snprintf(label
, sizeof(label
), "serial%d", index
);
2632 serial_hds
[index
] = qemu_chr_new(label
, devname
);
2633 if (!serial_hds
[index
]) {
2634 error_report("could not connect serial device"
2635 " to character backend '%s'", devname
);
2642 static int parallel_parse(const char *devname
)
2644 static int index
= 0;
2647 if (strcmp(devname
, "none") == 0)
2649 if (index
== MAX_PARALLEL_PORTS
) {
2650 error_report("too many parallel ports");
2653 snprintf(label
, sizeof(label
), "parallel%d", index
);
2654 parallel_hds
[index
] = qemu_chr_new(label
, devname
);
2655 if (!parallel_hds
[index
]) {
2656 error_report("could not connect parallel device"
2657 " to character backend '%s'", devname
);
2664 static int virtcon_parse(const char *devname
)
2666 QemuOptsList
*device
= qemu_find_opts("device");
2667 static int index
= 0;
2669 QemuOpts
*bus_opts
, *dev_opts
;
2671 if (strcmp(devname
, "none") == 0)
2673 if (index
== MAX_VIRTIO_CONSOLES
) {
2674 error_report("too many virtio consoles");
2678 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2679 qemu_opt_set(bus_opts
, "driver", "virtio-serial", &error_abort
);
2681 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2682 qemu_opt_set(dev_opts
, "driver", "virtconsole", &error_abort
);
2684 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2685 virtcon_hds
[index
] = qemu_chr_new(label
, devname
);
2686 if (!virtcon_hds
[index
]) {
2687 error_report("could not connect virtio console"
2688 " to character backend '%s'", devname
);
2691 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2697 static int sclp_parse(const char *devname
)
2699 QemuOptsList
*device
= qemu_find_opts("device");
2700 static int index
= 0;
2704 if (strcmp(devname
, "none") == 0) {
2707 if (index
== MAX_SCLP_CONSOLES
) {
2708 error_report("too many sclp consoles");
2712 assert(arch_type
== QEMU_ARCH_S390X
);
2714 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2715 qemu_opt_set(dev_opts
, "driver", "sclpconsole", &error_abort
);
2717 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2718 sclp_hds
[index
] = qemu_chr_new(label
, devname
);
2719 if (!sclp_hds
[index
]) {
2720 error_report("could not connect sclp console"
2721 " to character backend '%s'", devname
);
2724 qemu_opt_set(dev_opts
, "chardev", label
, &error_abort
);
2730 static int debugcon_parse(const char *devname
)
2734 if (!qemu_chr_new("debugcon", devname
)) {
2737 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2739 error_report("already have a debugcon device");
2742 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2743 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2747 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2749 const MachineClass
*mc1
= a
, *mc2
= b
;
2752 if (mc1
->family
== NULL
) {
2753 if (mc2
->family
== NULL
) {
2754 /* Compare standalone machine types against each other; they sort
2755 * in increasing order.
2757 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2758 object_class_get_name(OBJECT_CLASS(mc2
)));
2761 /* Standalone machine types sort after families. */
2765 if (mc2
->family
== NULL
) {
2766 /* Families sort before standalone machine types. */
2770 /* Families sort between each other alphabetically increasingly. */
2771 res
= strcmp(mc1
->family
, mc2
->family
);
2776 /* Within the same family, machine types sort in decreasing order. */
2777 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2778 object_class_get_name(OBJECT_CLASS(mc1
)));
2781 static MachineClass
*machine_parse(const char *name
)
2783 MachineClass
*mc
= NULL
;
2784 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2787 mc
= find_machine(name
);
2790 g_slist_free(machines
);
2793 if (name
&& !is_help_option(name
)) {
2794 error_report("unsupported machine type");
2795 error_printf("Use -machine help to list supported machines\n");
2797 printf("Supported machines are:\n");
2798 machines
= g_slist_sort(machines
, machine_class_cmp
);
2799 for (el
= machines
; el
; el
= el
->next
) {
2800 MachineClass
*mc
= el
->data
;
2802 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2804 printf("%-20s %s%s\n", mc
->name
, mc
->desc
,
2805 mc
->is_default
? " (default)" : "");
2809 g_slist_free(machines
);
2810 exit(!name
|| !is_help_option(name
));
2813 void qemu_add_exit_notifier(Notifier
*notify
)
2815 notifier_list_add(&exit_notifiers
, notify
);
2818 void qemu_remove_exit_notifier(Notifier
*notify
)
2820 notifier_remove(notify
);
2823 static void qemu_run_exit_notifiers(void)
2825 notifier_list_notify(&exit_notifiers
, NULL
);
2828 static bool machine_init_done
;
2830 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2832 notifier_list_add(&machine_init_done_notifiers
, notify
);
2833 if (machine_init_done
) {
2834 notify
->notify(notify
, NULL
);
2838 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2840 notifier_remove(notify
);
2843 static void qemu_run_machine_init_done_notifiers(void)
2845 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2846 machine_init_done
= true;
2849 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2850 const char **poptarg
, int *poptind
)
2852 const QEMUOption
*popt
;
2853 int optind
= *poptind
;
2854 char *r
= argv
[optind
];
2857 loc_set_cmdline(argv
, optind
, 1);
2859 /* Treat --foo the same as -foo. */
2862 popt
= qemu_options
;
2865 error_report("invalid option");
2868 if (!strcmp(popt
->name
, r
+ 1))
2872 if (popt
->flags
& HAS_ARG
) {
2873 if (optind
>= argc
) {
2874 error_report("requires an argument");
2877 optarg
= argv
[optind
++];
2878 loc_set_cmdline(argv
, optind
- 2, 2);
2889 static MachineClass
*select_machine(void)
2891 MachineClass
*machine_class
= find_default_machine();
2896 loc_push_none(&loc
);
2898 opts
= qemu_get_machine_opts();
2899 qemu_opts_loc_restore(opts
);
2901 optarg
= qemu_opt_get(opts
, "type");
2903 machine_class
= machine_parse(optarg
);
2906 if (!machine_class
) {
2907 error_report("No machine specified, and there is no default");
2908 error_printf("Use -machine help to list supported machines\n");
2913 return machine_class
;
2916 static int machine_set_property(void *opaque
,
2917 const char *name
, const char *value
,
2920 Object
*obj
= OBJECT(opaque
);
2921 Error
*local_err
= NULL
;
2924 if (strcmp(name
, "type") == 0) {
2928 qom_name
= g_strdup(name
);
2929 for (p
= qom_name
; *p
; p
++) {
2935 object_property_parse(obj
, value
, qom_name
, &local_err
);
2939 error_report_err(local_err
);
2948 * Initial object creation happens before all other
2949 * QEMU data types are created. The majority of objects
2950 * can be created at this point. The rng-egd object
2951 * cannot be created here, as it depends on the chardev
2954 static bool object_create_initial(const char *type
)
2956 if (g_str_equal(type
, "rng-egd") ||
2957 g_str_has_prefix(type
, "pr-manager-")) {
2962 * return false for concrete netfilters since
2963 * they depend on netdevs already existing
2965 if (g_str_equal(type
, "filter-buffer") ||
2966 g_str_equal(type
, "filter-dump") ||
2967 g_str_equal(type
, "filter-mirror") ||
2968 g_str_equal(type
, "filter-redirector") ||
2969 g_str_equal(type
, "colo-compare") ||
2970 g_str_equal(type
, "filter-rewriter") ||
2971 g_str_equal(type
, "filter-replay")) {
2975 /* Memory allocation by backends needs to be done
2976 * after configure_accelerator() (due to the tcg_enabled()
2977 * checks at memory_region_init_*()).
2979 * Also, allocation of large amounts of memory may delay
2980 * chardev initialization for too long, and trigger timeouts
2981 * on software that waits for a monitor socket to be created
2984 if (g_str_has_prefix(type
, "memory-backend-")) {
2993 * The remainder of object creation happens after the
2994 * creation of chardev, fsdev, net clients and device data types.
2996 static bool object_create_delayed(const char *type
)
2998 return !object_create_initial(type
);
3002 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
3006 const char *mem_str
;
3007 const char *maxmem_str
, *slots_str
;
3008 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
3009 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
3012 loc_push_none(&loc
);
3013 qemu_opts_loc_restore(opts
);
3016 mem_str
= qemu_opt_get(opts
, "size");
3019 error_report("missing 'size' option value");
3023 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
3025 /* Fix up legacy suffix-less format */
3026 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
3027 uint64_t overflow_check
= sz
;
3030 if ((sz
>> 20) != overflow_check
) {
3031 error_report("too large 'size' option value");
3037 /* backward compatibility behaviour for case "-m 0" */
3039 sz
= default_ram_size
;
3042 sz
= QEMU_ALIGN_UP(sz
, 8192);
3044 if (ram_size
!= sz
) {
3045 error_report("ram size too large");
3049 /* store value for the future use */
3050 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
3051 *maxram_size
= ram_size
;
3053 maxmem_str
= qemu_opt_get(opts
, "maxmem");
3054 slots_str
= qemu_opt_get(opts
, "slots");
3055 if (maxmem_str
&& slots_str
) {
3058 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
3059 slots
= qemu_opt_get_number(opts
, "slots", 0);
3060 if (sz
< ram_size
) {
3061 error_report("invalid value of -m option maxmem: "
3062 "maximum memory size (0x%" PRIx64
") must be at least "
3063 "the initial memory size (0x" RAM_ADDR_FMT
")",
3066 } else if (sz
> ram_size
) {
3068 error_report("invalid value of -m option: maxmem was "
3069 "specified, but no hotplug slots were specified");
3073 error_report("invalid value of -m option maxmem: "
3074 "memory slots were specified but maximum memory size "
3075 "(0x%" PRIx64
") is equal to the initial memory size "
3076 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
3082 } else if ((!maxmem_str
&& slots_str
) ||
3083 (maxmem_str
&& !slots_str
)) {
3084 error_report("invalid -m option value: missing "
3085 "'%s' option", slots_str
? "maxmem" : "slots");
3092 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
3096 g
= g_malloc0(sizeof(*g
));
3097 g
->driver
= qemu_opt_get(opts
, "driver");
3098 g
->property
= qemu_opt_get(opts
, "property");
3099 g
->value
= qemu_opt_get(opts
, "value");
3100 g
->user_provided
= true;
3101 g
->errp
= &error_fatal
;
3102 qdev_prop_register_global(g
);
3106 static int qemu_read_default_config_file(void)
3110 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
3111 if (ret
< 0 && ret
!= -ENOENT
) {
3118 static void user_register_global_props(void)
3120 qemu_opts_foreach(qemu_find_opts("global"),
3121 global_init_func
, NULL
, NULL
);
3125 * Note: we should see that these properties are actually having a
3126 * priority: accel < machine < user. This means e.g. when user
3127 * specifies something in "-global", it'll always be used with highest
3128 * priority than either machine/accelerator compat properties.
3130 static void register_global_properties(MachineState
*ms
)
3132 accel_register_compat_props(ms
->accelerator
);
3133 machine_register_compat_props(ms
);
3134 user_register_global_props();
3137 int main(int argc
, char **argv
)
3140 int snapshot
, linux_boot
;
3141 const char *initrd_filename
;
3142 const char *kernel_filename
, *kernel_cmdline
;
3143 const char *boot_order
= NULL
;
3144 const char *boot_once
= NULL
;
3146 int cyls
, heads
, secs
, translation
;
3147 QemuOpts
*opts
, *machine_opts
;
3148 QemuOpts
*hda_opts
= NULL
, *icount_opts
= NULL
, *accel_opts
= NULL
;
3149 QemuOptsList
*olist
;
3152 const char *loadvm
= NULL
;
3153 MachineClass
*machine_class
;
3154 const char *cpu_model
;
3155 const char *vga_model
= NULL
;
3156 const char *qtest_chrdev
= NULL
;
3157 const char *qtest_log
= NULL
;
3158 const char *pid_file
= NULL
;
3159 const char *incoming
= NULL
;
3160 bool defconfig
= true;
3161 bool userconfig
= true;
3162 bool nographic
= false;
3163 DisplayType display_type
= DT_DEFAULT
;
3164 int display_remote
= 0;
3165 const char *log_mask
= NULL
;
3166 const char *log_file
= NULL
;
3167 char *trace_file
= NULL
;
3168 ram_addr_t maxram_size
;
3169 uint64_t ram_slots
= 0;
3170 FILE *vmstate_dump_file
= NULL
;
3171 Error
*main_loop_err
= NULL
;
3173 bool list_data_dirs
= false;
3175 typedef struct BlockdevOptions_queue
{
3176 BlockdevOptions
*bdo
;
3178 QSIMPLEQ_ENTRY(BlockdevOptions_queue
) entry
;
3179 } BlockdevOptions_queue
;
3180 QSIMPLEQ_HEAD(, BlockdevOptions_queue
) bdo_queue
3181 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
3183 module_call_init(MODULE_INIT_TRACE
);
3185 qemu_init_cpu_list();
3186 qemu_init_cpu_loop();
3187 qemu_mutex_lock_iothread();
3189 atexit(qemu_run_exit_notifiers
);
3190 error_set_progname(argv
[0]);
3191 qemu_init_exec_dir(argv
[0]);
3193 module_call_init(MODULE_INIT_QOM
);
3194 monitor_init_qmp_commands();
3196 qemu_add_opts(&qemu_drive_opts
);
3197 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
3198 qemu_add_drive_opts(&qemu_common_drive_opts
);
3199 qemu_add_drive_opts(&qemu_drive_opts
);
3200 qemu_add_drive_opts(&bdrv_runtime_opts
);
3201 qemu_add_opts(&qemu_chardev_opts
);
3202 qemu_add_opts(&qemu_device_opts
);
3203 qemu_add_opts(&qemu_netdev_opts
);
3204 qemu_add_opts(&qemu_net_opts
);
3205 qemu_add_opts(&qemu_rtc_opts
);
3206 qemu_add_opts(&qemu_global_opts
);
3207 qemu_add_opts(&qemu_mon_opts
);
3208 qemu_add_opts(&qemu_trace_opts
);
3209 qemu_add_opts(&qemu_option_rom_opts
);
3210 qemu_add_opts(&qemu_machine_opts
);
3211 qemu_add_opts(&qemu_accel_opts
);
3212 qemu_add_opts(&qemu_mem_opts
);
3213 qemu_add_opts(&qemu_smp_opts
);
3214 qemu_add_opts(&qemu_boot_opts
);
3215 qemu_add_opts(&qemu_sandbox_opts
);
3216 qemu_add_opts(&qemu_add_fd_opts
);
3217 qemu_add_opts(&qemu_object_opts
);
3218 qemu_add_opts(&qemu_tpmdev_opts
);
3219 qemu_add_opts(&qemu_realtime_opts
);
3220 qemu_add_opts(&qemu_msg_opts
);
3221 qemu_add_opts(&qemu_name_opts
);
3222 qemu_add_opts(&qemu_numa_opts
);
3223 qemu_add_opts(&qemu_icount_opts
);
3224 qemu_add_opts(&qemu_semihosting_config_opts
);
3225 qemu_add_opts(&qemu_fw_cfg_opts
);
3226 module_call_init(MODULE_INIT_OPTS
);
3230 if (qcrypto_init(&err
) < 0) {
3231 error_reportf_err(err
, "cannot initialize crypto: ");
3234 rtc_clock
= QEMU_CLOCK_HOST
;
3236 QLIST_INIT (&vm_change_state_head
);
3237 os_setup_early_signal_handling();
3241 cyls
= heads
= secs
= 0;
3242 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3246 bdrv_init_with_whitelist();
3250 /* first pass of option parsing */
3252 while (optind
< argc
) {
3253 if (argv
[optind
][0] != '-') {
3257 const QEMUOption
*popt
;
3259 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3260 switch (popt
->index
) {
3261 case QEMU_OPTION_nodefconfig
:
3264 case QEMU_OPTION_nouserconfig
:
3271 if (defconfig
&& userconfig
) {
3272 if (qemu_read_default_config_file() < 0) {
3277 /* second pass of option parsing */
3282 if (argv
[optind
][0] != '-') {
3283 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3285 const QEMUOption
*popt
;
3287 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3288 if (!(popt
->arch_mask
& arch_type
)) {
3289 error_report("Option not supported for this target");
3292 switch(popt
->index
) {
3293 case QEMU_OPTION_no_kvm_irqchip
: {
3294 olist
= qemu_find_opts("machine");
3295 qemu_opts_parse_noisily(olist
, "kernel_irqchip=off", false);
3298 case QEMU_OPTION_cpu
:
3299 /* hw initialization will check this */
3302 case QEMU_OPTION_hda
:
3306 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3308 snprintf(buf
, sizeof(buf
),
3309 "%s,cyls=%d,heads=%d,secs=%d%s",
3310 HD_OPTS
, cyls
, heads
, secs
,
3311 translation
== BIOS_ATA_TRANSLATION_LBA
?
3313 translation
== BIOS_ATA_TRANSLATION_NONE
?
3314 ",trans=none" : "");
3315 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3318 case QEMU_OPTION_hdb
:
3319 case QEMU_OPTION_hdc
:
3320 case QEMU_OPTION_hdd
:
3321 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3324 case QEMU_OPTION_blockdev
:
3327 BlockdevOptions_queue
*bdo
;
3329 v
= qobject_input_visitor_new_str(optarg
, "driver", &err
);
3331 error_report_err(err
);
3335 bdo
= g_new(BlockdevOptions_queue
, 1);
3336 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
3339 loc_save(&bdo
->loc
);
3340 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3343 case QEMU_OPTION_drive
:
3344 if (drive_def(optarg
) == NULL
) {
3348 case QEMU_OPTION_set
:
3349 if (qemu_set_option(optarg
) != 0)
3352 case QEMU_OPTION_global
:
3353 if (qemu_global_option(optarg
) != 0)
3356 case QEMU_OPTION_mtdblock
:
3357 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3359 case QEMU_OPTION_sd
:
3360 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3362 case QEMU_OPTION_pflash
:
3363 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3365 case QEMU_OPTION_snapshot
:
3368 case QEMU_OPTION_hdachs
:
3372 cyls
= strtol(p
, (char **)&p
, 0);
3373 if (cyls
< 1 || cyls
> 16383)
3378 heads
= strtol(p
, (char **)&p
, 0);
3379 if (heads
< 1 || heads
> 16)
3384 secs
= strtol(p
, (char **)&p
, 0);
3385 if (secs
< 1 || secs
> 63)
3389 if (!strcmp(p
, "large")) {
3390 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3391 } else if (!strcmp(p
, "rechs")) {
3392 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3393 } else if (!strcmp(p
, "none")) {
3394 translation
= BIOS_ATA_TRANSLATION_NONE
;
3395 } else if (!strcmp(p
, "lba")) {
3396 translation
= BIOS_ATA_TRANSLATION_LBA
;
3397 } else if (!strcmp(p
, "auto")) {
3398 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3402 } else if (*p
!= '\0') {
3404 error_report("invalid physical CHS format");
3407 if (hda_opts
!= NULL
) {
3408 qemu_opt_set_number(hda_opts
, "cyls", cyls
,
3410 qemu_opt_set_number(hda_opts
, "heads", heads
,
3412 qemu_opt_set_number(hda_opts
, "secs", secs
,
3414 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3415 qemu_opt_set(hda_opts
, "trans", "large",
3417 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3418 qemu_opt_set(hda_opts
, "trans", "rechs",
3420 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3421 qemu_opt_set(hda_opts
, "trans", "lba",
3423 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3424 qemu_opt_set(hda_opts
, "trans", "none",
3429 error_report("'-hdachs' is deprecated, please use '-device"
3430 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3432 case QEMU_OPTION_numa
:
3433 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3439 case QEMU_OPTION_display
:
3440 display_type
= select_display(optarg
);
3442 case QEMU_OPTION_nographic
:
3443 olist
= qemu_find_opts("machine");
3444 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3446 display_type
= DT_NONE
;
3448 case QEMU_OPTION_curses
:
3449 #ifdef CONFIG_CURSES
3450 display_type
= DT_CURSES
;
3452 error_report("curses support is disabled");
3456 case QEMU_OPTION_portrait
:
3457 graphic_rotate
= 90;
3459 case QEMU_OPTION_rotate
:
3460 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3461 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3462 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3463 error_report("only 90, 180, 270 deg rotation is available");
3467 case QEMU_OPTION_kernel
:
3468 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3471 case QEMU_OPTION_initrd
:
3472 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3475 case QEMU_OPTION_append
:
3476 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3479 case QEMU_OPTION_dtb
:
3480 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3483 case QEMU_OPTION_cdrom
:
3484 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3486 case QEMU_OPTION_boot
:
3487 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3493 case QEMU_OPTION_fda
:
3494 case QEMU_OPTION_fdb
:
3495 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3498 case QEMU_OPTION_no_fd_bootchk
:
3501 case QEMU_OPTION_netdev
:
3503 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3507 case QEMU_OPTION_net
:
3509 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3513 #ifdef CONFIG_LIBISCSI
3514 case QEMU_OPTION_iscsi
:
3515 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3523 case QEMU_OPTION_tftp
:
3524 error_report("The -tftp option is deprecated. "
3525 "Please use '-netdev user,tftp=...' instead.");
3526 legacy_tftp_prefix
= optarg
;
3528 case QEMU_OPTION_bootp
:
3529 error_report("The -bootp option is deprecated. "
3530 "Please use '-netdev user,bootfile=...' instead.");
3531 legacy_bootp_filename
= optarg
;
3533 case QEMU_OPTION_redir
:
3534 error_report("The -redir option is deprecated. "
3535 "Please use '-netdev user,hostfwd=...' instead.");
3536 if (net_slirp_redir(optarg
) < 0)
3540 case QEMU_OPTION_bt
:
3541 add_device_config(DEV_BT
, optarg
);
3543 case QEMU_OPTION_audio_help
:
3547 case QEMU_OPTION_soundhw
:
3548 select_soundhw (optarg
);
3553 case QEMU_OPTION_version
:
3558 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3565 case QEMU_OPTION_tpmdev
:
3566 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3571 case QEMU_OPTION_mempath
:
3574 case QEMU_OPTION_mem_prealloc
:
3583 case QEMU_OPTION_DFILTER
:
3584 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3587 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3589 case QEMU_OPTION_gdb
:
3590 add_device_config(DEV_GDB
, optarg
);
3593 if (is_help_option(optarg
)) {
3594 list_data_dirs
= true;
3596 qemu_add_data_dir(optarg
);
3599 case QEMU_OPTION_bios
:
3600 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3603 case QEMU_OPTION_singlestep
:
3610 keyboard_layout
= optarg
;
3612 case QEMU_OPTION_localtime
:
3615 case QEMU_OPTION_vga
:
3624 w
= strtol(p
, (char **)&p
, 10);
3627 error_report("invalid resolution or depth");
3633 h
= strtol(p
, (char **)&p
, 10);
3638 depth
= strtol(p
, (char **)&p
, 10);
3639 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3640 depth
!= 24 && depth
!= 32)
3642 } else if (*p
== '\0') {
3643 depth
= graphic_depth
;
3650 graphic_depth
= depth
;
3653 case QEMU_OPTION_echr
:
3656 term_escape_char
= strtol(optarg
, &r
, 0);
3658 printf("Bad argument to echr\n");
3661 case QEMU_OPTION_monitor
:
3662 default_monitor
= 0;
3663 if (strncmp(optarg
, "none", 4)) {
3664 monitor_parse(optarg
, "readline", false);
3667 case QEMU_OPTION_qmp
:
3668 monitor_parse(optarg
, "control", false);
3669 default_monitor
= 0;
3671 case QEMU_OPTION_qmp_pretty
:
3672 monitor_parse(optarg
, "control", true);
3673 default_monitor
= 0;
3675 case QEMU_OPTION_mon
:
3676 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3681 default_monitor
= 0;
3683 case QEMU_OPTION_chardev
:
3684 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3690 case QEMU_OPTION_fsdev
:
3691 olist
= qemu_find_opts("fsdev");
3693 error_report("fsdev support is disabled");
3696 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3701 case QEMU_OPTION_virtfs
: {
3704 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
;
3706 olist
= qemu_find_opts("virtfs");
3708 error_report("virtfs support is disabled");
3711 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3716 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3717 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3718 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3721 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3722 qemu_opts_id(opts
) ?:
3723 qemu_opt_get(opts
, "mount_tag"),
3726 error_report("duplicate or invalid fsdev id: %s",
3727 qemu_opt_get(opts
, "mount_tag"));
3731 writeout
= qemu_opt_get(opts
, "writeout");
3733 #ifdef CONFIG_SYNC_FILE_RANGE
3734 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3736 error_report("writeout=immediate not supported "
3737 "on this platform");
3741 qemu_opt_set(fsdev
, "fsdriver",
3742 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3743 path
= qemu_opt_get(opts
, "path");
3745 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3747 security_model
= qemu_opt_get(opts
, "security_model");
3748 if (security_model
) {
3749 qemu_opt_set(fsdev
, "security_model", security_model
,
3752 socket
= qemu_opt_get(opts
, "socket");
3754 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3756 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3758 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3761 qemu_opt_set_bool(fsdev
, "readonly",
3762 qemu_opt_get_bool(opts
, "readonly", 0),
3764 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3766 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3767 qemu_opt_set(device
, "fsdev",
3768 qemu_opts_id(fsdev
), &error_abort
);
3769 qemu_opt_set(device
, "mount_tag",
3770 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3773 case QEMU_OPTION_virtfs_synth
: {
3777 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3780 error_report("duplicate option: %s", "virtfs_synth");
3783 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3785 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3787 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3788 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3789 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3792 case QEMU_OPTION_serial
:
3793 add_device_config(DEV_SERIAL
, optarg
);
3795 if (strncmp(optarg
, "mon:", 4) == 0) {
3796 default_monitor
= 0;
3799 case QEMU_OPTION_watchdog
:
3801 error_report("only one watchdog option may be given");
3806 case QEMU_OPTION_watchdog_action
:
3807 if (select_watchdog_action(optarg
) == -1) {
3808 error_report("unknown -watchdog-action parameter");
3812 case QEMU_OPTION_virtiocon
:
3813 add_device_config(DEV_VIRTCON
, optarg
);
3814 default_virtcon
= 0;
3815 if (strncmp(optarg
, "mon:", 4) == 0) {
3816 default_monitor
= 0;
3819 case QEMU_OPTION_parallel
:
3820 add_device_config(DEV_PARALLEL
, optarg
);
3821 default_parallel
= 0;
3822 if (strncmp(optarg
, "mon:", 4) == 0) {
3823 default_monitor
= 0;
3826 case QEMU_OPTION_debugcon
:
3827 add_device_config(DEV_DEBUGCON
, optarg
);
3829 case QEMU_OPTION_loadvm
:
3832 case QEMU_OPTION_full_screen
:
3835 case QEMU_OPTION_no_frame
:
3838 case QEMU_OPTION_alt_grab
:
3841 case QEMU_OPTION_ctrl_grab
:
3844 case QEMU_OPTION_no_quit
:
3847 case QEMU_OPTION_sdl
:
3849 display_type
= DT_SDL
;
3852 error_report("SDL support is disabled");
3855 case QEMU_OPTION_pidfile
:
3858 case QEMU_OPTION_win2k_hack
:
3859 win2k_install_hack
= 1;
3861 case QEMU_OPTION_rtc_td_hack
: {
3862 static GlobalProperty slew_lost_ticks
= {
3863 .driver
= "mc146818rtc",
3864 .property
= "lost_tick_policy",
3868 qdev_prop_register_global(&slew_lost_ticks
);
3871 case QEMU_OPTION_acpitable
:
3872 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3877 acpi_table_add(opts
, &error_fatal
);
3879 case QEMU_OPTION_smbios
:
3880 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3885 smbios_entry_add(opts
, &error_fatal
);
3887 case QEMU_OPTION_fwcfg
:
3888 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3894 case QEMU_OPTION_enable_kvm
:
3895 olist
= qemu_find_opts("machine");
3896 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3898 case QEMU_OPTION_enable_hax
:
3899 olist
= qemu_find_opts("machine");
3900 qemu_opts_parse_noisily(olist
, "accel=hax", false);
3903 case QEMU_OPTION_machine
:
3904 olist
= qemu_find_opts("machine");
3905 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3910 case QEMU_OPTION_no_kvm
:
3911 olist
= qemu_find_opts("machine");
3912 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3914 case QEMU_OPTION_no_kvm_pit
: {
3915 warn_report("ignoring deprecated option");
3918 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3919 static GlobalProperty kvm_pit_lost_tick_policy
= {
3920 .driver
= "kvm-pit",
3921 .property
= "lost_tick_policy",
3925 warn_report("deprecated, replaced by "
3926 "-global kvm-pit.lost_tick_policy=discard");
3927 qdev_prop_register_global(&kvm_pit_lost_tick_policy
);
3930 case QEMU_OPTION_accel
:
3931 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3933 optarg
= qemu_opt_get(accel_opts
, "accel");
3934 if (!optarg
|| is_help_option(optarg
)) {
3935 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3938 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3939 false, &error_abort
);
3940 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3942 case QEMU_OPTION_usb
:
3943 olist
= qemu_find_opts("machine");
3944 qemu_opts_parse_noisily(olist
, "usb=on", false);
3946 case QEMU_OPTION_usbdevice
:
3947 error_report("'-usbdevice' is deprecated, please use "
3948 "'-device usb-...' instead");
3949 olist
= qemu_find_opts("machine");
3950 qemu_opts_parse_noisily(olist
, "usb=on", false);
3951 add_device_config(DEV_USB
, optarg
);
3953 case QEMU_OPTION_device
:
3954 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3959 case QEMU_OPTION_smp
:
3960 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3965 case QEMU_OPTION_vnc
:
3966 vnc_parse(optarg
, &error_fatal
);
3968 case QEMU_OPTION_no_acpi
:
3971 case QEMU_OPTION_no_hpet
:
3974 case QEMU_OPTION_balloon
:
3975 if (balloon_parse(optarg
) < 0) {
3976 error_report("unknown -balloon argument %s", optarg
);
3980 case QEMU_OPTION_no_reboot
:
3983 case QEMU_OPTION_no_shutdown
:
3986 case QEMU_OPTION_show_cursor
:
3989 case QEMU_OPTION_uuid
:
3990 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3991 error_report("failed to parse UUID string: wrong format");
3994 qemu_uuid_set
= true;
3996 case QEMU_OPTION_option_rom
:
3997 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3998 error_report("too many option ROMs");
4001 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
4006 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
4007 option_rom
[nb_option_roms
].bootindex
=
4008 qemu_opt_get_number(opts
, "bootindex", -1);
4009 if (!option_rom
[nb_option_roms
].name
) {
4010 error_report("Option ROM file is not specified");
4015 case QEMU_OPTION_semihosting
:
4016 semihosting
.enabled
= true;
4017 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
4019 case QEMU_OPTION_semihosting_config
:
4020 semihosting
.enabled
= true;
4021 opts
= qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
4024 semihosting
.enabled
= qemu_opt_get_bool(opts
, "enable",
4026 const char *target
= qemu_opt_get(opts
, "target");
4027 if (target
!= NULL
) {
4028 if (strcmp("native", target
) == 0) {
4029 semihosting
.target
= SEMIHOSTING_TARGET_NATIVE
;
4030 } else if (strcmp("gdb", target
) == 0) {
4031 semihosting
.target
= SEMIHOSTING_TARGET_GDB
;
4032 } else if (strcmp("auto", target
) == 0) {
4033 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
4035 error_report("unsupported semihosting-config %s",
4040 semihosting
.target
= SEMIHOSTING_TARGET_AUTO
;
4042 /* Set semihosting argument count and vector */
4043 qemu_opt_foreach(opts
, add_semihosting_arg
,
4044 &semihosting
, NULL
);
4046 error_report("unsupported semihosting-config %s", optarg
);
4050 case QEMU_OPTION_tdf
:
4051 warn_report("ignoring deprecated option");
4053 case QEMU_OPTION_name
:
4054 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
4060 case QEMU_OPTION_prom_env
:
4061 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
4062 error_report("too many prom variables");
4065 prom_envs
[nb_prom_envs
] = optarg
;
4068 case QEMU_OPTION_old_param
:
4071 case QEMU_OPTION_clock
:
4072 /* Clock options no longer exist. Keep this option for
4073 * backward compatibility.
4076 case QEMU_OPTION_startdate
:
4077 configure_rtc_date_offset(optarg
, 1);
4079 case QEMU_OPTION_rtc
:
4080 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
4085 configure_rtc(opts
);
4087 case QEMU_OPTION_tb_size
:
4089 error_report("TCG is disabled");
4092 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
4093 error_report("Invalid argument to -tb-size");
4097 case QEMU_OPTION_icount
:
4098 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
4104 case QEMU_OPTION_incoming
:
4106 runstate_set(RUN_STATE_INMIGRATE
);
4110 case QEMU_OPTION_only_migratable
:
4112 * TODO: we can remove this option one day, and we
4115 * "-global migration.only-migratable=true"
4117 qemu_global_option("migration.only-migratable=true");
4119 case QEMU_OPTION_nodefaults
:
4122 case QEMU_OPTION_xen_domid
:
4123 if (!(xen_available())) {
4124 error_report("Option not supported for this target");
4127 xen_domid
= atoi(optarg
);
4129 case QEMU_OPTION_xen_create
:
4130 if (!(xen_available())) {
4131 error_report("Option not supported for this target");
4134 xen_mode
= XEN_CREATE
;
4136 case QEMU_OPTION_xen_attach
:
4137 if (!(xen_available())) {
4138 error_report("Option not supported for this target");
4141 xen_mode
= XEN_ATTACH
;
4143 case QEMU_OPTION_xen_domid_restrict
:
4144 if (!(xen_available())) {
4145 error_report("Option not supported for this target");
4148 xen_domid_restrict
= true;
4150 case QEMU_OPTION_trace
:
4152 trace_file
= trace_opt_parse(optarg
);
4154 case QEMU_OPTION_trace_unassigned
:
4155 trace_unassigned
= true;
4157 case QEMU_OPTION_readconfig
:
4159 int ret
= qemu_read_config_file(optarg
);
4161 error_report("read config %s: %s", optarg
,
4167 case QEMU_OPTION_spice
:
4168 olist
= qemu_find_opts("spice");
4170 error_report("spice support is disabled");
4173 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
4179 case QEMU_OPTION_writeconfig
:
4182 if (strcmp(optarg
, "-") == 0) {
4185 fp
= fopen(optarg
, "w");
4187 error_report("open %s: %s", optarg
,
4192 qemu_config_write(fp
);
4198 case QEMU_OPTION_qtest
:
4199 qtest_chrdev
= optarg
;
4201 case QEMU_OPTION_qtest_log
:
4204 case QEMU_OPTION_sandbox
:
4205 opts
= qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4211 case QEMU_OPTION_add_fd
:
4213 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4219 error_report("File descriptor passing is disabled on this "
4224 case QEMU_OPTION_object
:
4225 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
4231 case QEMU_OPTION_realtime
:
4232 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4237 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
4239 case QEMU_OPTION_msg
:
4240 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
4245 configure_msg(opts
);
4247 case QEMU_OPTION_dump_vmstate
:
4248 if (vmstate_dump_file
) {
4249 error_report("only one '-dump-vmstate' "
4250 "option may be given");
4253 vmstate_dump_file
= fopen(optarg
, "w");
4254 if (vmstate_dump_file
== NULL
) {
4255 error_report("open %s: %s", optarg
, strerror(errno
));
4260 os_parse_cmd_args(popt
->index
, optarg
);
4265 * Clear error location left behind by the loop.
4266 * Best done right after the loop. Do not insert code here!
4270 replay_configure(icount_opts
);
4272 machine_class
= select_machine();
4274 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
4277 rcu_disable_atfork();
4279 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4280 error_report("could not acquire pid file: %s", strerror(errno
));
4284 if (qemu_init_main_loop(&main_loop_err
)) {
4285 error_report_err(main_loop_err
);
4289 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4290 parse_sandbox
, NULL
, NULL
)) {
4294 if (qemu_opts_foreach(qemu_find_opts("name"),
4295 parse_name
, NULL
, NULL
)) {
4300 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4301 parse_add_fd
, NULL
, NULL
)) {
4305 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4306 cleanup_add_fd
, NULL
, NULL
)) {
4311 current_machine
= MACHINE(object_new(object_class_get_name(
4312 OBJECT_CLASS(machine_class
))));
4313 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
4316 object_property_add_child(object_get_root(), "machine",
4317 OBJECT(current_machine
), &error_abort
);
4319 if (machine_class
->minimum_page_bits
) {
4320 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
4321 /* This would be a board error: specifying a minimum smaller than
4322 * a target's compile-time fixed setting.
4324 g_assert_not_reached();
4328 cpu_exec_init_all();
4330 if (machine_class
->hw_version
) {
4331 qemu_set_hw_version(machine_class
->hw_version
);
4334 if (cpu_model
&& is_help_option(cpu_model
)) {
4335 list_cpus(stdout
, &fprintf
, cpu_model
);
4339 if (!trace_init_backends()) {
4342 trace_init_file(trace_file
);
4344 /* Open the logfile at this point and set the log mask if necessary.
4347 qemu_set_log_filename(log_file
, &error_fatal
);
4352 mask
= qemu_str_to_log_mask(log_mask
);
4354 qemu_print_log_usage(stdout
);
4362 /* add configured firmware directories */
4363 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
4364 for (i
= 0; dirs
[i
] != NULL
; i
++) {
4365 qemu_add_data_dir(dirs
[i
]);
4368 /* try to find datadir relative to the executable path */
4369 qemu_add_data_dir(os_find_datadir());
4371 /* add the datadir specified when building */
4372 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
4374 /* -L help lists the data directories and exits. */
4375 if (list_data_dirs
) {
4376 for (i
= 0; i
< data_dir_idx
; i
++) {
4377 printf("%s\n", data_dir
[i
]);
4382 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4384 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1; /* Default to UP */
4385 if (max_cpus
> machine_class
->max_cpus
) {
4386 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4387 "supported by machine '%s' (%d)", max_cpus
,
4388 machine_class
->name
, machine_class
->max_cpus
);
4393 * Get the default machine options from the machine if it is not already
4394 * specified either by the configuration file or by the command line.
4396 if (machine_class
->default_machine_opts
) {
4397 qemu_opts_set_defaults(qemu_find_opts("machine"),
4398 machine_class
->default_machine_opts
, 0);
4401 qemu_opts_foreach(qemu_find_opts("device"),
4402 default_driver_check
, NULL
, NULL
);
4403 qemu_opts_foreach(qemu_find_opts("global"),
4404 default_driver_check
, NULL
, NULL
);
4406 if (!vga_model
&& !default_vga
) {
4407 vga_interface_type
= VGA_DEVICE
;
4409 if (!has_defaults
|| machine_class
->no_serial
) {
4412 if (!has_defaults
|| machine_class
->no_parallel
) {
4413 default_parallel
= 0;
4415 if (!has_defaults
|| !machine_class
->use_virtcon
) {
4416 default_virtcon
= 0;
4418 if (!has_defaults
|| !machine_class
->use_sclp
) {
4421 if (!has_defaults
|| machine_class
->no_floppy
) {
4424 if (!has_defaults
|| machine_class
->no_cdrom
) {
4427 if (!has_defaults
|| machine_class
->no_sdcard
) {
4430 if (!has_defaults
) {
4431 default_monitor
= 0;
4436 if (is_daemonized()) {
4437 /* According to documentation and historically, -nographic redirects
4438 * serial port, parallel port and monitor to stdio, which does not work
4439 * with -daemonize. We can redirect these to null instead, but since
4440 * -nographic is legacy, let's just error out.
4441 * We disallow -nographic only if all other ports are not redirected
4442 * explicitly, to not break existing legacy setups which uses
4443 * -nographic _and_ redirects all ports explicitly - this is valid
4444 * usage, -nographic is just a no-op in this case.
4447 && (default_parallel
|| default_serial
4448 || default_monitor
|| default_virtcon
)) {
4449 error_report("-nographic cannot be used with -daemonize");
4452 #ifdef CONFIG_CURSES
4453 if (display_type
== DT_CURSES
) {
4454 error_report("curses display cannot be used with -daemonize");
4461 if (default_parallel
)
4462 add_device_config(DEV_PARALLEL
, "null");
4463 if (default_serial
&& default_monitor
) {
4464 add_device_config(DEV_SERIAL
, "mon:stdio");
4465 } else if (default_virtcon
&& default_monitor
) {
4466 add_device_config(DEV_VIRTCON
, "mon:stdio");
4467 } else if (default_sclp
&& default_monitor
) {
4468 add_device_config(DEV_SCLP
, "mon:stdio");
4471 add_device_config(DEV_SERIAL
, "stdio");
4472 if (default_virtcon
)
4473 add_device_config(DEV_VIRTCON
, "stdio");
4475 add_device_config(DEV_SCLP
, "stdio");
4477 if (default_monitor
)
4478 monitor_parse("stdio", "readline", false);
4482 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4483 if (default_parallel
)
4484 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4485 if (default_monitor
)
4486 monitor_parse("vc:80Cx24C", "readline", false);
4487 if (default_virtcon
)
4488 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4490 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4494 #if defined(CONFIG_VNC)
4495 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4499 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4500 #if defined(CONFIG_GTK)
4501 display_type
= DT_GTK
;
4502 #elif defined(CONFIG_SDL)
4503 display_type
= DT_SDL
;
4504 #elif defined(CONFIG_COCOA)
4505 display_type
= DT_COCOA
;
4506 #elif defined(CONFIG_VNC)
4507 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4509 display_type
= DT_NONE
;
4513 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4514 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4515 "for SDL, ignoring option");
4517 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4518 error_report("-no-quit is only valid for GTK and SDL, "
4522 if (display_type
== DT_GTK
) {
4523 early_gtk_display_init(request_opengl
);
4526 if (display_type
== DT_SDL
) {
4527 sdl_display_early_init(request_opengl
);
4530 qemu_console_early_init();
4532 if (request_opengl
== 1 && display_opengl
== 0) {
4533 #if defined(CONFIG_OPENGL)
4534 error_report("OpenGL is not supported by the display");
4536 error_report("OpenGL support is disabled");
4544 if (qemu_opts_foreach(qemu_find_opts("object"),
4545 user_creatable_add_opts_foreach
,
4546 object_create_initial
, NULL
)) {
4550 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4551 chardev_init_func
, NULL
, NULL
)) {
4555 #ifdef CONFIG_VIRTFS
4556 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4557 fsdev_init_func
, NULL
, NULL
)) {
4562 if (qemu_opts_foreach(qemu_find_opts("device"),
4563 device_help_func
, NULL
, NULL
)) {
4567 machine_opts
= qemu_get_machine_opts();
4568 if (qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4570 object_unref(OBJECT(current_machine
));
4574 configure_accelerator(current_machine
);
4577 * Register all the global properties, including accel properties,
4578 * machine properties, and user-specified ones.
4580 register_global_properties(current_machine
);
4583 * Migration object can only be created after global properties
4584 * are applied correctly.
4586 migration_object_init();
4589 qtest_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4592 machine_opts
= qemu_get_machine_opts();
4593 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4594 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4595 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4596 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4598 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4600 boot_order
= qemu_opt_get(opts
, "order");
4602 validate_bootdevices(boot_order
, &error_fatal
);
4605 boot_once
= qemu_opt_get(opts
, "once");
4607 validate_bootdevices(boot_once
, &error_fatal
);
4610 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4611 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4615 boot_order
= machine_class
->default_boot_order
;
4618 if (!kernel_cmdline
) {
4619 kernel_cmdline
= "";
4620 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4623 linux_boot
= (kernel_filename
!= NULL
);
4625 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4626 error_report("-append only allowed with -kernel option");
4630 if (!linux_boot
&& initrd_filename
!= NULL
) {
4631 error_report("-initrd only allowed with -kernel option");
4635 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4636 /* fall back to the -kernel/-append */
4637 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4640 os_set_line_buffering();
4642 /* spice needs the timers to be initialized by this point */
4647 if (!tcg_enabled()) {
4648 error_report("-icount is not allowed with hardware virtualization");
4651 configure_icount(icount_opts
, &error_abort
);
4652 qemu_opts_del(icount_opts
);
4655 if (tcg_enabled()) {
4656 qemu_tcg_configure(accel_opts
, &error_fatal
);
4660 QemuOptsList
*net
= qemu_find_opts("net");
4661 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4663 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4669 if (net_init_clients() < 0) {
4673 if (qemu_opts_foreach(qemu_find_opts("object"),
4674 user_creatable_add_opts_foreach
,
4675 object_create_delayed
, NULL
)) {
4680 if (tpm_init() < 0) {
4685 /* init the bluetooth world */
4686 if (foreach_device_config(DEV_BT
, bt_parse
))
4689 if (!xen_enabled()) {
4690 /* On 32-bit hosts, QEMU is limited by virtual address space */
4691 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4692 error_report("at most 2047 MB RAM can be simulated");
4700 /* If the currently selected machine wishes to override the units-per-bus
4701 * property of its default HBA interface type, do so now. */
4702 if (machine_class
->units_per_default_bus
) {
4703 override_max_devs(machine_class
->block_default_type
,
4704 machine_class
->units_per_default_bus
);
4707 /* open the virtual block devices */
4708 while (!QSIMPLEQ_EMPTY(&bdo_queue
)) {
4709 BlockdevOptions_queue
*bdo
= QSIMPLEQ_FIRST(&bdo_queue
);
4711 QSIMPLEQ_REMOVE_HEAD(&bdo_queue
, entry
);
4712 loc_push_restore(&bdo
->loc
);
4713 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
4715 qapi_free_BlockdevOptions(bdo
->bdo
);
4718 if (snapshot
|| replay_mode
!= REPLAY_MODE_NONE
) {
4719 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
4722 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4723 &machine_class
->block_default_type
, NULL
)) {
4727 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
4729 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4730 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4732 parse_numa_opts(current_machine
);
4734 if (qemu_opts_foreach(qemu_find_opts("mon"),
4735 mon_init_func
, NULL
, NULL
)) {
4739 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4741 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4743 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4745 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4748 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4751 /* If no default VGA is requested, the default is "none". */
4753 if (machine_class
->default_display
) {
4754 vga_model
= machine_class
->default_display
;
4755 } else if (vga_interface_available(VGA_CIRRUS
)) {
4756 vga_model
= "cirrus";
4757 } else if (vga_interface_available(VGA_STD
)) {
4762 select_vgahw(vga_model
);
4766 i
= select_watchdog(watchdog
);
4768 exit (i
== 1 ? 1 : 0);
4771 /* This checkpoint is required by replay to separate prior clock
4772 reading from the other reads, because timer polling functions query
4773 clock values from the log. */
4774 replay_checkpoint(CHECKPOINT_INIT
);
4775 qdev_machine_init();
4777 current_machine
->ram_size
= ram_size
;
4778 current_machine
->maxram_size
= maxram_size
;
4779 current_machine
->ram_slots
= ram_slots
;
4780 current_machine
->boot_order
= boot_order
;
4781 current_machine
->cpu_model
= cpu_model
;
4784 /* parse features once if machine provides default cpu_type */
4785 if (machine_class
->default_cpu_type
) {
4786 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4788 current_machine
->cpu_type
=
4789 cpu_parse_cpu_model(machine_class
->default_cpu_type
, cpu_model
);
4793 machine_run_board_init(current_machine
);
4799 if (hax_enabled()) {
4803 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4804 parse_fw_cfg
, fw_cfg_find(), NULL
) != 0) {
4808 /* init USB devices */
4809 if (machine_usb(current_machine
)) {
4810 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4814 /* Check if IGD GFX passthrough. */
4817 /* init generic devices */
4818 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4819 if (qemu_opts_foreach(qemu_find_opts("device"),
4820 device_init_func
, NULL
, NULL
)) {
4824 cpu_synchronize_all_post_init();
4826 rom_reset_order_override();
4829 * Create frontends for -drive if=scsi leftovers.
4830 * Normally, frontends for -drive get created by machine
4831 * initialization for onboard SCSI HBAs. However, we create a few
4832 * more ever since SCSI qdevification, but this is pretty much an
4833 * implementation accident, and deprecated.
4835 scsi_legacy_handle_cmdline();
4837 /* Did we create any drives that we failed to create a device for? */
4838 drive_check_orphaned();
4840 /* Don't warn about the default network setup that you get if
4841 * no command line -net or -netdev options are specified. There
4842 * are two cases that we would otherwise complain about:
4843 * (1) board doesn't support a NIC but the implicit "-net nic"
4845 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4846 * sets up a nic that isn't connected to anything.
4849 net_check_clients();
4854 qemu_boot_set(boot_once
, &error_fatal
);
4855 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4858 ds
= init_displaystate();
4860 /* init local displays */
4861 switch (display_type
) {
4863 curses_display_init(ds
, full_screen
);
4866 sdl_display_init(ds
, full_screen
, no_frame
);
4869 cocoa_display_init(ds
, full_screen
);
4872 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4878 /* must be after terminal init, SDL library changes signal handlers */
4879 os_setup_signal_handling();
4881 /* init remote displays */
4883 qemu_opts_foreach(qemu_find_opts("vnc"),
4884 vnc_init_func
, NULL
, NULL
);
4888 qemu_spice_display_init();
4891 #ifdef CONFIG_OPENGL_DMABUF
4892 if (display_type
== DT_EGL
) {
4893 egl_headless_init();
4897 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4901 qdev_machine_creation_done();
4903 /* TODO: once all bus devices are qdevified, this should be done
4904 * when bus is created by qdev.c */
4905 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4906 qemu_run_machine_init_done_notifiers();
4908 if (rom_check_and_register_reset() != 0) {
4909 error_report("rom check and register reset failed");
4915 /* This checkpoint is required by replay to separate prior clock
4916 reading from the other reads, because timer polling functions query
4917 clock values from the log. */
4918 replay_checkpoint(CHECKPOINT_RESET
);
4919 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4920 register_global_state();
4921 if (replay_mode
!= REPLAY_MODE_NONE
) {
4922 replay_vmstate_init();
4923 } else if (loadvm
) {
4924 Error
*local_err
= NULL
;
4925 if (load_snapshot(loadvm
, &local_err
) < 0) {
4926 error_report_err(local_err
);
4931 qdev_prop_check_globals();
4932 if (vmstate_dump_file
) {
4934 dump_vmstate_json_to_file(vmstate_dump_file
);
4939 Error
*local_err
= NULL
;
4940 qemu_start_incoming_migration(incoming
, &local_err
);
4942 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4945 } else if (autostart
) {
4952 replay_disable_events();
4953 iothread_stop_all();
4959 /* vhost-user must be cleaned up before chardevs. */
4964 user_creatable_cleanup();
4965 /* TODO: unref root container, check all devices are ok */