4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/help-texts.h"
27 #include "qemu/datadir.h"
28 #include "qemu/units.h"
29 #include "exec/cpu-common.h"
30 #include "exec/page-vary.h"
31 #include "hw/qdev-properties.h"
32 #include "qapi/compat-policy.h"
33 #include "qapi/error.h"
34 #include "qapi/qmp/qdict.h"
35 #include "qapi/qmp/qstring.h"
36 #include "qapi/qmp/qjson.h"
37 #include "qemu-version.h"
38 #include "qemu/cutils.h"
39 #include "qemu/help_option.h"
40 #include "qemu/hw-version.h"
41 #include "qemu/uuid.h"
42 #include "sysemu/reset.h"
43 #include "sysemu/runstate.h"
44 #include "sysemu/runstate-action.h"
45 #include "sysemu/seccomp.h"
46 #include "sysemu/tcg.h"
47 #include "sysemu/xen.h"
49 #include "qemu/error-report.h"
50 #include "qemu/sockets.h"
51 #include "qemu/accel.h"
53 #include "hw/isa/isa.h"
54 #include "hw/scsi/scsi.h"
55 #include "hw/display/vga.h"
56 #include "sysemu/watchdog.h"
57 #include "hw/firmware/smbios.h"
58 #include "hw/acpi/acpi.h"
59 #include "hw/xen/xen.h"
60 #include "hw/loader.h"
61 #include "monitor/qdev.h"
63 #include "net/slirp.h"
64 #include "monitor/monitor.h"
65 #include "ui/console.h"
67 #include "sysemu/sysemu.h"
68 #include "sysemu/numa.h"
69 #include "sysemu/hostmem.h"
70 #include "exec/gdbstub.h"
71 #include "qemu/timer.h"
72 #include "chardev/char.h"
73 #include "qemu/bitmap.h"
75 #include "sysemu/blockdev.h"
76 #include "hw/block/block.h"
77 #include "hw/i386/x86.h"
78 #include "hw/i386/pc.h"
79 #include "migration/misc.h"
80 #include "migration/snapshot.h"
81 #include "sysemu/tpm.h"
82 #include "sysemu/dma.h"
83 #include "hw/audio/soundhw.h"
84 #include "audio/audio.h"
85 #include "sysemu/cpus.h"
86 #include "sysemu/cpu-timers.h"
87 #include "migration/colo.h"
88 #include "migration/postcopy-ram.h"
89 #include "sysemu/kvm.h"
90 #include "sysemu/hax.h"
91 #include "qapi/qobject-input-visitor.h"
92 #include "qemu/option.h"
93 #include "qemu/config-file.h"
94 #include "qemu/qemu-options.h"
95 #include "qemu/main-loop.h"
97 #include "fsdev/qemu-fsdev.h"
99 #include "sysemu/qtest.h"
101 #include "disas/disas.h"
104 #include "trace/control.h"
105 #include "qemu/plugin.h"
106 #include "qemu/queue.h"
107 #include "sysemu/arch_init.h"
108 #include "exec/confidential-guest-support.h"
110 #include "ui/qemu-spice.h"
111 #include "qapi/string-input-visitor.h"
112 #include "qapi/opts-visitor.h"
113 #include "qapi/clone-visitor.h"
114 #include "qom/object_interfaces.h"
115 #include "semihosting/semihost.h"
116 #include "crypto/init.h"
117 #include "sysemu/replay.h"
118 #include "qapi/qapi-events-run-state.h"
119 #include "qapi/qapi-types-audio.h"
120 #include "qapi/qapi-visit-audio.h"
121 #include "qapi/qapi-visit-block-core.h"
122 #include "qapi/qapi-visit-compat.h"
123 #include "qapi/qapi-visit-machine.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-migration.h"
127 #include "qapi/qapi-commands-misc.h"
128 #include "qapi/qapi-visit-qom.h"
129 #include "qapi/qapi-commands-ui.h"
130 #include "qapi/qmp/qdict.h"
131 #include "block/qdict.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
134 #include "qemu/guest-random.h"
135 #include "qemu/keyval.h"
137 #include "config-host.h"
139 #define MAX_VIRTIO_CONSOLES 1
141 typedef struct BlockdevOptionsQueueEntry
{
142 BlockdevOptions
*bdo
;
144 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
145 } BlockdevOptionsQueueEntry
;
147 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
149 typedef struct ObjectOption
{
151 QTAILQ_ENTRY(ObjectOption
) next
;
154 typedef struct DeviceOption
{
157 QTAILQ_ENTRY(DeviceOption
) next
;
160 static const char *cpu_option
;
161 static const char *mem_path
;
162 static const char *incoming
;
163 static const char *loadvm
;
164 static const char *accelerators
;
165 static bool have_custom_ram_size
;
166 static const char *ram_memdev_id
;
167 static QDict
*machine_opts_dict
;
168 static QTAILQ_HEAD(, ObjectOption
) object_opts
= QTAILQ_HEAD_INITIALIZER(object_opts
);
169 static QTAILQ_HEAD(, DeviceOption
) device_opts
= QTAILQ_HEAD_INITIALIZER(device_opts
);
170 static int display_remote
;
172 static bool preconfig_requested
;
173 static QemuPluginList plugin_list
= QTAILQ_HEAD_INITIALIZER(plugin_list
);
174 static BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
175 static bool nographic
= false;
176 static int mem_prealloc
; /* force preallocation of physical target memory */
177 static const char *vga_model
= NULL
;
178 static DisplayOptions dpy
;
179 static int num_serial_hds
;
180 static Chardev
**serial_hds
;
181 static const char *log_mask
;
182 static const char *log_file
;
183 static bool list_data_dirs
;
184 static const char *watchdog
;
185 static const char *qtest_chrdev
;
186 static const char *qtest_log
;
188 static int has_defaults
= 1;
189 static int default_serial
= 1;
190 static int default_parallel
= 1;
191 static int default_monitor
= 1;
192 static int default_floppy
= 1;
193 static int default_cdrom
= 1;
194 static int default_sdcard
= 1;
195 static int default_vga
= 1;
196 static int default_net
= 1;
202 { .driver
= "isa-serial", .flag
= &default_serial
},
203 { .driver
= "isa-parallel", .flag
= &default_parallel
},
204 { .driver
= "isa-fdc", .flag
= &default_floppy
},
205 { .driver
= "floppy", .flag
= &default_floppy
},
206 { .driver
= "ide-cd", .flag
= &default_cdrom
},
207 { .driver
= "ide-hd", .flag
= &default_cdrom
},
208 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
209 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
210 { .driver
= "VGA", .flag
= &default_vga
},
211 { .driver
= "isa-vga", .flag
= &default_vga
},
212 { .driver
= "cirrus-vga", .flag
= &default_vga
},
213 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
214 { .driver
= "vmware-svga", .flag
= &default_vga
},
215 { .driver
= "qxl-vga", .flag
= &default_vga
},
216 { .driver
= "virtio-vga", .flag
= &default_vga
},
217 { .driver
= "ati-vga", .flag
= &default_vga
},
218 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
219 { .driver
= "virtio-vga-gl", .flag
= &default_vga
},
222 static QemuOptsList qemu_rtc_opts
= {
224 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
229 .type
= QEMU_OPT_STRING
,
232 .type
= QEMU_OPT_STRING
,
235 .type
= QEMU_OPT_STRING
,
237 { /* end of list */ }
241 static QemuOptsList qemu_option_rom_opts
= {
242 .name
= "option-rom",
243 .implied_opt_name
= "romfile",
244 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
248 .type
= QEMU_OPT_NUMBER
,
251 .type
= QEMU_OPT_STRING
,
253 { /* end of list */ }
257 static QemuOptsList qemu_accel_opts
= {
259 .implied_opt_name
= "accel",
260 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
263 * no elements => accept any
264 * sanity checking will happen later
265 * when setting accelerator properties
271 static QemuOptsList qemu_boot_opts
= {
273 .implied_opt_name
= "order",
275 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
279 .type
= QEMU_OPT_STRING
,
282 .type
= QEMU_OPT_STRING
,
285 .type
= QEMU_OPT_BOOL
,
288 .type
= QEMU_OPT_STRING
,
290 .name
= "splash-time",
291 .type
= QEMU_OPT_NUMBER
,
293 .name
= "reboot-timeout",
294 .type
= QEMU_OPT_NUMBER
,
297 .type
= QEMU_OPT_BOOL
,
303 static QemuOptsList qemu_add_fd_opts
= {
305 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
309 .type
= QEMU_OPT_NUMBER
,
310 .help
= "file descriptor of which a duplicate is added to fd set",
313 .type
= QEMU_OPT_NUMBER
,
314 .help
= "ID of the fd set to add fd to",
317 .type
= QEMU_OPT_STRING
,
318 .help
= "free-form string used to describe fd",
320 { /* end of list */ }
324 static QemuOptsList qemu_object_opts
= {
326 .implied_opt_name
= "qom-type",
327 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
333 static QemuOptsList qemu_tpmdev_opts
= {
335 .implied_opt_name
= "type",
336 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
338 /* options are defined in the TPM backends */
339 { /* end of list */ }
343 static QemuOptsList qemu_overcommit_opts
= {
344 .name
= "overcommit",
345 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
349 .type
= QEMU_OPT_BOOL
,
353 .type
= QEMU_OPT_BOOL
,
355 { /* end of list */ }
359 static QemuOptsList qemu_msg_opts
= {
361 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
365 .type
= QEMU_OPT_BOOL
,
368 .name
= "guest-name",
369 .type
= QEMU_OPT_BOOL
,
370 .help
= "Prepends guest name for error messages but only if "
371 "-name guest is set otherwise option is ignored\n",
373 { /* end of list */ }
377 static QemuOptsList qemu_name_opts
= {
379 .implied_opt_name
= "guest",
381 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
385 .type
= QEMU_OPT_STRING
,
386 .help
= "Sets the name of the guest.\n"
387 "This name will be displayed in the SDL window caption.\n"
388 "The name will also be used for the VNC server",
391 .type
= QEMU_OPT_STRING
,
392 .help
= "Sets the name of the QEMU process, as shown in top etc",
394 .name
= "debug-threads",
395 .type
= QEMU_OPT_BOOL
,
396 .help
= "When enabled, name the individual threads; defaults off.\n"
397 "NOTE: The thread names are for debugging and not a\n"
400 { /* End of list */ }
404 static QemuOptsList qemu_mem_opts
= {
406 .implied_opt_name
= "size",
407 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
412 .type
= QEMU_OPT_SIZE
,
416 .type
= QEMU_OPT_NUMBER
,
420 .type
= QEMU_OPT_SIZE
,
422 { /* end of list */ }
426 static QemuOptsList qemu_icount_opts
= {
428 .implied_opt_name
= "shift",
430 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
434 .type
= QEMU_OPT_STRING
,
437 .type
= QEMU_OPT_BOOL
,
440 .type
= QEMU_OPT_BOOL
,
443 .type
= QEMU_OPT_STRING
,
446 .type
= QEMU_OPT_STRING
,
448 .name
= "rrsnapshot",
449 .type
= QEMU_OPT_STRING
,
451 { /* end of list */ }
455 static QemuOptsList qemu_fw_cfg_opts
= {
457 .implied_opt_name
= "name",
458 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
462 .type
= QEMU_OPT_STRING
,
463 .help
= "Sets the fw_cfg name of the blob to be inserted",
466 .type
= QEMU_OPT_STRING
,
467 .help
= "Sets the name of the file from which "
468 "the fw_cfg blob will be loaded",
471 .type
= QEMU_OPT_STRING
,
472 .help
= "Sets content of the blob to be inserted from a string",
475 .type
= QEMU_OPT_STRING
,
476 .help
= "Sets id of the object generating the fw_cfg blob "
479 { /* end of list */ }
483 static QemuOptsList qemu_action_opts
= {
486 .head
= QTAILQ_HEAD_INITIALIZER(qemu_action_opts
.head
),
490 .type
= QEMU_OPT_STRING
,
493 .type
= QEMU_OPT_STRING
,
496 .type
= QEMU_OPT_STRING
,
499 .type
= QEMU_OPT_STRING
,
501 { /* end of list */ }
505 const char *qemu_get_vm_name(void)
510 static void default_driver_disable(const char *driver
)
518 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
519 if (strcmp(default_list
[i
].driver
, driver
) != 0)
521 *(default_list
[i
].flag
) = 0;
525 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
527 const char *driver
= qemu_opt_get(opts
, "driver");
529 default_driver_disable(driver
);
533 static void default_driver_check_json(void)
537 QTAILQ_FOREACH(opt
, &device_opts
, next
) {
538 const char *driver
= qdict_get_try_str(opt
->opts
, "driver");
539 default_driver_disable(driver
);
543 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
545 const char *proc_name
;
547 if (qemu_opt_get(opts
, "debug-threads")) {
548 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
550 qemu_name
= qemu_opt_get(opts
, "guest");
552 proc_name
= qemu_opt_get(opts
, "process");
554 os_set_proc_name(proc_name
);
560 bool defaults_enabled(void)
566 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
568 int fd
, dupfd
, flags
;
570 const char *fd_opaque
= NULL
;
573 fd
= qemu_opt_get_number(opts
, "fd", -1);
574 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
575 fd_opaque
= qemu_opt_get(opts
, "opaque");
578 error_setg(errp
, "fd option is required and must be non-negative");
582 if (fd
<= STDERR_FILENO
) {
583 error_setg(errp
, "fd cannot be a standard I/O stream");
588 * All fds inherited across exec() necessarily have FD_CLOEXEC
589 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
591 flags
= fcntl(fd
, F_GETFD
);
592 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
593 error_setg(errp
, "fd is not valid or already in use");
598 error_setg(errp
, "set option is required and must be non-negative");
602 #ifdef F_DUPFD_CLOEXEC
603 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
607 qemu_set_cloexec(dupfd
);
611 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
615 /* add the duplicate fd, and optionally the opaque string, to the fd set */
616 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
623 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
627 fd
= qemu_opt_get_number(opts
, "fd", -1);
634 /***********************************************************/
635 /* QEMU Block devices */
637 #define HD_OPTS "media=disk"
638 #define CDROM_OPTS "media=cdrom"
640 #define PFLASH_OPTS ""
644 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
646 BlockInterfaceType
*block_default_type
= opaque
;
648 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
651 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
653 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
654 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
659 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
660 int index
, const char *optstr
)
665 if (!enable
|| drive_get_by_index(type
, index
)) {
669 opts
= drive_add(type
, index
, NULL
, optstr
);
671 drive_enable_snapshot(NULL
, opts
, NULL
);
674 dinfo
= drive_new(opts
, type
, &error_abort
);
675 dinfo
->is_default
= true;
679 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
680 MachineClass
*machine_class
, int snapshot
)
683 * If the currently selected machine wishes to override the
684 * units-per-bus property of its default HBA interface type, do so
687 if (machine_class
->units_per_default_bus
) {
688 override_max_devs(machine_class
->block_default_type
,
689 machine_class
->units_per_default_bus
);
692 /* open the virtual block devices */
693 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
694 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
696 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
697 loc_push_restore(&bdo
->loc
);
698 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
700 qapi_free_BlockdevOptions(bdo
->bdo
);
704 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
707 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
708 &machine_class
->block_default_type
, &error_fatal
)) {
709 /* We printed help */
713 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
715 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
716 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
720 static QemuOptsList qemu_smp_opts
= {
722 .implied_opt_name
= "cpus",
724 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
728 .type
= QEMU_OPT_NUMBER
,
731 .type
= QEMU_OPT_NUMBER
,
734 .type
= QEMU_OPT_NUMBER
,
737 .type
= QEMU_OPT_NUMBER
,
740 .type
= QEMU_OPT_NUMBER
,
743 .type
= QEMU_OPT_NUMBER
,
746 .type
= QEMU_OPT_NUMBER
,
752 static void realtime_init(void)
755 if (os_mlock() < 0) {
756 error_report("locking memory failed");
763 static void configure_msg(QemuOpts
*opts
)
765 message_with_timestamp
= qemu_opt_get_bool(opts
, "timestamp", false);
766 error_with_guestname
= qemu_opt_get_bool(opts
, "guest-name", false);
770 /***********************************************************/
773 static int usb_device_add(const char *devname
)
775 USBDevice
*dev
= NULL
;
777 if (!machine_usb(current_machine
)) {
781 dev
= usbdevice_create(devname
);
788 static int usb_parse(const char *cmdline
)
791 r
= usb_device_add(cmdline
);
793 error_report("could not add USB device '%s'", cmdline
);
798 /***********************************************************/
799 /* machine registration */
801 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
805 for (el
= machines
; el
; el
= el
->next
) {
806 MachineClass
*mc
= el
->data
;
808 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
816 static MachineClass
*find_default_machine(GSList
*machines
)
819 MachineClass
*default_machineclass
= NULL
;
821 for (el
= machines
; el
; el
= el
->next
) {
822 MachineClass
*mc
= el
->data
;
824 if (mc
->is_default
) {
825 assert(default_machineclass
== NULL
&& "Multiple default machines");
826 default_machineclass
= mc
;
830 return default_machineclass
;
833 static void version(void)
835 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
836 QEMU_COPYRIGHT
"\n");
839 static void help(int exitcode
)
842 printf("usage: %s [options] [disk_image]\n\n"
843 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
846 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
847 if ((arch_mask) & arch_type) \
848 fputs(opt_help, stdout);
850 #define ARCHHEADING(text, arch_mask) \
851 if ((arch_mask) & arch_type) \
852 puts(stringify(text));
854 #define DEFHEADING(text) ARCHHEADING(text, QEMU_ARCH_ALL)
856 #include "qemu-options.def"
858 printf("\nDuring emulation, the following keys are useful:\n"
859 "ctrl-alt-f toggle full screen\n"
860 "ctrl-alt-n switch to virtual console 'n'\n"
861 "ctrl-alt toggle mouse and keyboard grab\n"
863 "When using -nographic, press 'ctrl-a h' to get some help.\n"
865 QEMU_HELP_BOTTOM
"\n");
870 #define HAS_ARG 0x0001
872 typedef struct QEMUOption
{
879 static const QEMUOption qemu_options
[] = {
880 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
882 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
883 { option, opt_arg, opt_enum, arch_mask },
884 #define DEFHEADING(text)
885 #define ARCHHEADING(text, arch_mask)
887 #include "qemu-options.def"
891 typedef struct VGAInterfaceInfo
{
892 const char *opt_name
; /* option name */
893 const char *name
; /* human-readable name */
894 /* Class names indicating that support is available.
895 * If no class is specified, the interface is always available */
896 const char *class_names
[2];
899 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
902 .name
= "no graphic card",
906 .name
= "standard VGA",
907 .class_names
= { "VGA", "isa-vga" },
910 .opt_name
= "cirrus",
911 .name
= "Cirrus VGA",
912 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
915 .opt_name
= "vmware",
916 .name
= "VMWare SVGA",
917 .class_names
= { "vmware-svga" },
920 .opt_name
= "virtio",
921 .name
= "Virtio VGA",
922 .class_names
= { "virtio-vga" },
927 .class_names
= { "qxl-vga" },
931 .name
= "TCX framebuffer",
932 .class_names
= { "sun-tcx" },
936 .name
= "CG3 framebuffer",
937 .class_names
= { "cgthree" },
939 #ifdef CONFIG_XEN_BACKEND
942 .name
= "Xen paravirtualized framebuffer",
947 static bool vga_interface_available(VGAInterfaceType t
)
949 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
951 assert(t
< VGA_TYPE_MAX
);
952 return !ti
->class_names
[0] ||
953 module_object_class_by_name(ti
->class_names
[0]) ||
954 module_object_class_by_name(ti
->class_names
[1]);
958 get_default_vga_model(const MachineClass
*machine_class
)
960 if (machine_class
->default_display
) {
961 return machine_class
->default_display
;
962 } else if (vga_interface_available(VGA_CIRRUS
)) {
964 } else if (vga_interface_available(VGA_STD
)) {
971 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
976 if (g_str_equal(p
, "help")) {
977 const char *def
= get_default_vga_model(machine_class
);
979 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
980 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
982 if (vga_interface_available(t
) && ti
->opt_name
) {
983 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
984 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
990 assert(vga_interface_type
== VGA_NONE
);
991 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
992 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
993 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
994 if (!vga_interface_available(t
)) {
995 error_report("%s not available", ti
->name
);
998 vga_interface_type
= t
;
1002 if (t
== VGA_TYPE_MAX
) {
1004 error_report("unknown vga type: %s", p
);
1008 const char *nextopt
;
1010 if (strstart(opts
, ",retrace=", &nextopt
)) {
1012 if (strstart(opts
, "dumb", &nextopt
))
1013 vga_retrace_method
= VGA_RETRACE_DUMB
;
1014 else if (strstart(opts
, "precise", &nextopt
))
1015 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1016 else goto invalid_vga
;
1017 } else goto invalid_vga
;
1022 static void parse_display_qapi(const char *optarg
)
1024 DisplayOptions
*opts
;
1027 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
1029 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
1030 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
1032 qapi_free_DisplayOptions(opts
);
1036 DisplayOptions
*qmp_query_display_options(Error
**errp
)
1038 return QAPI_CLONE(DisplayOptions
, &dpy
);
1041 static void parse_display(const char *p
)
1045 if (is_help_option(p
)) {
1046 qemu_display_help();
1050 if (strstart(p
, "vnc", &opts
)) {
1052 * vnc isn't a (local) DisplayType but a protocol for remote
1056 vnc_parse(opts
+ 1);
1058 error_report("VNC requires a display argument vnc=<display>");
1062 parse_display_qapi(p
);
1066 static inline bool nonempty_str(const char *str
)
1071 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1075 const char *name
, *file
, *str
, *gen_id
;
1076 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
1078 if (fw_cfg
== NULL
) {
1079 error_setg(errp
, "fw_cfg device not available");
1082 name
= qemu_opt_get(opts
, "name");
1083 file
= qemu_opt_get(opts
, "file");
1084 str
= qemu_opt_get(opts
, "string");
1085 gen_id
= qemu_opt_get(opts
, "gen_id");
1087 /* we need the name, and exactly one of: file, content string, gen_id */
1088 if (!nonempty_str(name
) ||
1089 nonempty_str(file
) + nonempty_str(str
) + nonempty_str(gen_id
) != 1) {
1090 error_setg(errp
, "name, plus exactly one of file,"
1091 " string and gen_id, are needed");
1094 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
1095 error_setg(errp
, "name too long (max. %d char)",
1096 FW_CFG_MAX_FILE_PATH
- 1);
1099 if (nonempty_str(gen_id
)) {
1101 * In this particular case where the content is populated
1102 * internally, the "etc/" namespace protection is relaxed,
1103 * so do not emit a warning.
1105 } else if (strncmp(name
, "opt/", 4) != 0) {
1106 warn_report("externally provided fw_cfg item names "
1107 "should be prefixed with \"opt/\"");
1109 if (nonempty_str(str
)) {
1110 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
1111 buf
= g_memdup(str
, size
);
1112 } else if (nonempty_str(gen_id
)) {
1113 if (!fw_cfg_add_from_generator(fw_cfg
, name
, gen_id
, errp
)) {
1119 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
1120 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
1125 /* For legacy, keep user files in a specific global order. */
1126 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
1127 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
1128 fw_cfg_reset_order_override(fw_cfg
);
1132 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1134 return qdev_device_help(opts
);
1137 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1141 dev
= qdev_device_add(opts
, errp
);
1142 if (!dev
&& *errp
) {
1143 error_report_err(*errp
);
1146 object_unref(OBJECT(dev
));
1151 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1153 Error
*local_err
= NULL
;
1155 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
1157 error_propagate(errp
, local_err
);
1165 #ifdef CONFIG_VIRTFS
1166 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1168 return qemu_fsdev_add(opts
, errp
);
1172 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1174 return monitor_init_opts(opts
, errp
);
1177 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
1179 static int monitor_device_index
= 0;
1184 if (strstart(optarg
, "chardev:", &p
)) {
1185 snprintf(label
, sizeof(label
), "%s", p
);
1187 snprintf(label
, sizeof(label
), "compat_monitor%d",
1188 monitor_device_index
);
1189 opts
= qemu_chr_parse_compat(label
, optarg
, true);
1191 error_report("parse error: %s", optarg
);
1196 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
1197 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
1198 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
1199 if (!strcmp(mode
, "control")) {
1200 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
1202 assert(pretty
== false);
1204 monitor_device_index
++;
1207 struct device_config
{
1209 DEV_USB
, /* -usbdevice */
1210 DEV_SERIAL
, /* -serial */
1211 DEV_PARALLEL
, /* -parallel */
1212 DEV_DEBUGCON
, /* -debugcon */
1213 DEV_GDB
, /* -gdb, -s */
1214 DEV_SCLP
, /* s390 sclp */
1216 const char *cmdline
;
1218 QTAILQ_ENTRY(device_config
) next
;
1221 static QTAILQ_HEAD(, device_config
) device_configs
=
1222 QTAILQ_HEAD_INITIALIZER(device_configs
);
1224 static void add_device_config(int type
, const char *cmdline
)
1226 struct device_config
*conf
;
1228 conf
= g_malloc0(sizeof(*conf
));
1230 conf
->cmdline
= cmdline
;
1231 loc_save(&conf
->loc
);
1232 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1235 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1237 struct device_config
*conf
;
1240 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1241 if (conf
->type
!= type
)
1243 loc_push_restore(&conf
->loc
);
1244 rc
= func(conf
->cmdline
);
1245 loc_pop(&conf
->loc
);
1253 static void qemu_disable_default_devices(void)
1255 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1257 default_driver_check_json();
1258 qemu_opts_foreach(qemu_find_opts("device"),
1259 default_driver_check
, NULL
, NULL
);
1260 qemu_opts_foreach(qemu_find_opts("global"),
1261 default_driver_check
, NULL
, NULL
);
1263 if (!vga_model
&& !default_vga
) {
1264 vga_interface_type
= VGA_DEVICE
;
1265 vga_interface_created
= true;
1267 if (!has_defaults
|| machine_class
->no_serial
) {
1270 if (!has_defaults
|| machine_class
->no_parallel
) {
1271 default_parallel
= 0;
1273 if (!has_defaults
|| machine_class
->no_floppy
) {
1276 if (!has_defaults
|| machine_class
->no_cdrom
) {
1279 if (!has_defaults
|| machine_class
->no_sdcard
) {
1282 if (!has_defaults
) {
1283 default_monitor
= 0;
1289 static void qemu_create_default_devices(void)
1291 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1293 if (is_daemonized()) {
1294 /* According to documentation and historically, -nographic redirects
1295 * serial port, parallel port and monitor to stdio, which does not work
1296 * with -daemonize. We can redirect these to null instead, but since
1297 * -nographic is legacy, let's just error out.
1298 * We disallow -nographic only if all other ports are not redirected
1299 * explicitly, to not break existing legacy setups which uses
1300 * -nographic _and_ redirects all ports explicitly - this is valid
1301 * usage, -nographic is just a no-op in this case.
1304 && (default_parallel
|| default_serial
|| default_monitor
)) {
1305 error_report("-nographic cannot be used with -daemonize");
1311 if (default_parallel
)
1312 add_device_config(DEV_PARALLEL
, "null");
1313 if (default_serial
&& default_monitor
) {
1314 add_device_config(DEV_SERIAL
, "mon:stdio");
1317 add_device_config(DEV_SERIAL
, "stdio");
1318 if (default_monitor
)
1319 monitor_parse("stdio", "readline", false);
1323 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
1324 if (default_parallel
)
1325 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
1326 if (default_monitor
)
1327 monitor_parse("vc:80Cx24C", "readline", false);
1331 QemuOptsList
*net
= qemu_find_opts("net");
1332 qemu_opts_parse(net
, "nic", true, &error_abort
);
1334 qemu_opts_parse(net
, "user", true, &error_abort
);
1338 #if defined(CONFIG_VNC)
1339 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
1343 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
1344 if (!qemu_display_find_default(&dpy
)) {
1345 dpy
.type
= DISPLAY_TYPE_NONE
;
1346 #if defined(CONFIG_VNC)
1347 vnc_parse("localhost:0,to=99,id=default");
1351 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
1352 dpy
.type
= DISPLAY_TYPE_NONE
;
1355 /* If no default VGA is requested, the default is "none". */
1357 vga_model
= get_default_vga_model(machine_class
);
1360 select_vgahw(machine_class
, vga_model
);
1364 static int serial_parse(const char *devname
)
1366 int index
= num_serial_hds
;
1369 if (strcmp(devname
, "none") == 0)
1371 snprintf(label
, sizeof(label
), "serial%d", index
);
1372 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
1374 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
1375 if (!serial_hds
[index
]) {
1376 error_report("could not connect serial device"
1377 " to character backend '%s'", devname
);
1384 Chardev
*serial_hd(int i
)
1387 if (i
< num_serial_hds
) {
1388 return serial_hds
[i
];
1393 static int parallel_parse(const char *devname
)
1395 static int index
= 0;
1398 if (strcmp(devname
, "none") == 0)
1400 if (index
== MAX_PARALLEL_PORTS
) {
1401 error_report("too many parallel ports");
1404 snprintf(label
, sizeof(label
), "parallel%d", index
);
1405 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
1406 if (!parallel_hds
[index
]) {
1407 error_report("could not connect parallel device"
1408 " to character backend '%s'", devname
);
1415 static int debugcon_parse(const char *devname
)
1419 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
1420 error_report("invalid character backend '%s'", devname
);
1423 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
1425 error_report("already have a debugcon device");
1428 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
1429 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
1433 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
1435 const MachineClass
*mc1
= a
, *mc2
= b
;
1438 if (mc1
->family
== NULL
) {
1439 if (mc2
->family
== NULL
) {
1440 /* Compare standalone machine types against each other; they sort
1441 * in increasing order.
1443 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
1444 object_class_get_name(OBJECT_CLASS(mc2
)));
1447 /* Standalone machine types sort after families. */
1451 if (mc2
->family
== NULL
) {
1452 /* Families sort before standalone machine types. */
1456 /* Families sort between each other alphabetically increasingly. */
1457 res
= strcmp(mc1
->family
, mc2
->family
);
1462 /* Within the same family, machine types sort in decreasing order. */
1463 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
1464 object_class_get_name(OBJECT_CLASS(mc1
)));
1467 static void machine_help_func(const QDict
*qdict
)
1469 GSList
*machines
, *el
;
1470 const char *type
= qdict_get_try_str(qdict
, "type");
1472 machines
= object_class_get_list(TYPE_MACHINE
, false);
1474 ObjectClass
*machine_class
= OBJECT_CLASS(find_machine(type
, machines
));
1475 if (machine_class
) {
1476 type_print_class_properties(object_class_get_name(machine_class
));
1481 printf("Supported machines are:\n");
1482 machines
= g_slist_sort(machines
, machine_class_cmp
);
1483 for (el
= machines
; el
; el
= el
->next
) {
1484 MachineClass
*mc
= el
->data
;
1486 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
1488 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
1489 mc
->is_default
? " (default)" : "",
1490 mc
->deprecation_reason
? " (deprecated)" : "");
1495 machine_merge_property(const char *propname
, QDict
*prop
, Error
**errp
)
1500 /* Preserve the caller's reference to prop. */
1502 qdict_put(opts
, propname
, prop
);
1503 keyval_merge(machine_opts_dict
, opts
, errp
);
1504 qobject_unref(opts
);
1508 machine_parse_property_opt(QemuOptsList
*opts_list
, const char *propname
,
1514 prop
= keyval_parse(arg
, opts_list
->implied_opt_name
, &help
, &error_fatal
);
1516 qemu_opts_print_help(opts_list
, true);
1519 machine_merge_property(propname
, prop
, &error_fatal
);
1520 qobject_unref(prop
);
1523 static const char *pid_file
;
1524 static Notifier qemu_unlink_pidfile_notifier
;
1526 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
1533 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
1534 const char **poptarg
, int *poptind
)
1536 const QEMUOption
*popt
;
1537 int optind
= *poptind
;
1538 char *r
= argv
[optind
];
1541 loc_set_cmdline(argv
, optind
, 1);
1543 /* Treat --foo the same as -foo. */
1546 popt
= qemu_options
;
1549 error_report("invalid option");
1552 if (!strcmp(popt
->name
, r
+ 1))
1556 if (popt
->flags
& HAS_ARG
) {
1557 if (optind
>= argc
) {
1558 error_report("requires an argument");
1561 optarg
= argv
[optind
++];
1562 loc_set_cmdline(argv
, optind
- 2, 2);
1573 static MachineClass
*select_machine(QDict
*qdict
, Error
**errp
)
1575 const char *optarg
= qdict_get_try_str(qdict
, "type");
1576 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
1577 MachineClass
*machine_class
;
1578 Error
*local_err
= NULL
;
1581 machine_class
= find_machine(optarg
, machines
);
1582 qdict_del(qdict
, "type");
1583 if (!machine_class
) {
1584 error_setg(&local_err
, "unsupported machine type");
1587 machine_class
= find_default_machine(machines
);
1588 if (!machine_class
) {
1589 error_setg(&local_err
, "No machine specified, and there is no default");
1593 g_slist_free(machines
);
1595 error_append_hint(&local_err
, "Use -machine help to list supported machines\n");
1596 error_propagate(errp
, local_err
);
1598 return machine_class
;
1601 static int object_parse_property_opt(Object
*obj
,
1602 const char *name
, const char *value
,
1603 const char *skip
, Error
**errp
)
1605 if (g_str_equal(name
, skip
)) {
1609 if (!object_property_parse(obj
, name
, value
, errp
)) {
1616 /* *Non*recursively replace underscores with dashes in QDict keys. */
1617 static void keyval_dashify(QDict
*qdict
, Error
**errp
)
1619 const QDictEntry
*ent
, *next
;
1622 for (ent
= qdict_first(qdict
); ent
; ent
= next
) {
1623 g_autofree
char *new_key
= NULL
;
1625 next
= qdict_next(qdict
, ent
);
1626 if (!strchr(ent
->key
, '_')) {
1629 new_key
= g_strdup(ent
->key
);
1630 for (p
= new_key
; *p
; p
++) {
1635 if (qdict_haskey(qdict
, new_key
)) {
1636 error_setg(errp
, "Conflict between '%s' and '%s'", ent
->key
, new_key
);
1639 qobject_ref(ent
->value
);
1640 qdict_put_obj(qdict
, new_key
, ent
->value
);
1641 qdict_del(qdict
, ent
->key
);
1645 static void qemu_apply_legacy_machine_options(QDict
*qdict
)
1650 keyval_dashify(qdict
, &error_fatal
);
1652 /* Legacy options do not correspond to MachineState properties. */
1653 value
= qdict_get_try_str(qdict
, "accel");
1655 accelerators
= g_strdup(value
);
1656 qdict_del(qdict
, "accel");
1659 value
= qdict_get_try_str(qdict
, "igd-passthru");
1661 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), "igd-passthru", value
,
1663 qdict_del(qdict
, "igd-passthru");
1666 value
= qdict_get_try_str(qdict
, "kvm-shadow-mem");
1668 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kvm-shadow-mem", value
,
1670 qdict_del(qdict
, "kvm-shadow-mem");
1673 value
= qdict_get_try_str(qdict
, "kernel-irqchip");
1675 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kernel-irqchip", value
,
1677 object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), "kernel-irqchip", value
,
1679 qdict_del(qdict
, "kernel-irqchip");
1682 value
= qdict_get_try_str(qdict
, "memory-backend");
1685 error_report("'-mem-path' can't be used together with"
1686 "'-machine memory-backend'");
1690 /* Resolved later. */
1691 ram_memdev_id
= g_strdup(value
);
1692 qdict_del(qdict
, "memory-backend");
1695 prop
= qdict_get(qdict
, "memory");
1697 have_custom_ram_size
=
1698 qobject_type(prop
) == QTYPE_QDICT
&&
1699 qdict_haskey(qobject_to(QDict
, prop
), "size");
1703 static void object_option_foreach_add(bool (*type_opt_predicate
)(const char *))
1705 ObjectOption
*opt
, *next
;
1707 QTAILQ_FOREACH_SAFE(opt
, &object_opts
, next
, next
) {
1708 const char *type
= ObjectType_str(opt
->opts
->qom_type
);
1709 if (type_opt_predicate(type
)) {
1710 user_creatable_add_qapi(opt
->opts
, &error_fatal
);
1711 qapi_free_ObjectOptions(opt
->opts
);
1712 QTAILQ_REMOVE(&object_opts
, opt
, next
);
1718 static void object_option_add_visitor(Visitor
*v
)
1720 ObjectOption
*opt
= g_new0(ObjectOption
, 1);
1721 visit_type_ObjectOptions(v
, NULL
, &opt
->opts
, &error_fatal
);
1722 QTAILQ_INSERT_TAIL(&object_opts
, opt
, next
);
1725 static void object_option_parse(const char *optarg
)
1731 if (optarg
[0] == '{') {
1732 QObject
*obj
= qobject_from_json(optarg
, &error_fatal
);
1734 v
= qobject_input_visitor_new(obj
);
1737 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
1743 type
= qemu_opt_get(opts
, "qom-type");
1745 error_setg(&error_fatal
, QERR_MISSING_PARAMETER
, "qom-type");
1747 if (user_creatable_print_help(type
, opts
)) {
1751 v
= opts_visitor_new(opts
);
1754 object_option_add_visitor(v
);
1759 * Initial object creation happens before all other
1760 * QEMU data types are created. The majority of objects
1761 * can be created at this point. The rng-egd object
1762 * cannot be created here, as it depends on the chardev
1765 static bool object_create_early(const char *type
)
1768 * Objects should not be made "delayed" without a reason. If you
1769 * add one, state the reason in a comment!
1772 /* Reason: property "chardev" */
1773 if (g_str_equal(type
, "rng-egd") ||
1774 g_str_equal(type
, "qtest")) {
1778 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
1779 /* Reason: cryptodev-vhost-user property "chardev" */
1780 if (g_str_equal(type
, "cryptodev-vhost-user")) {
1785 /* Reason: vhost-user-blk-server property "node-name" */
1786 if (g_str_equal(type
, "vhost-user-blk-server")) {
1790 * Reason: filter-* property "netdev" etc.
1792 if (g_str_equal(type
, "filter-buffer") ||
1793 g_str_equal(type
, "filter-dump") ||
1794 g_str_equal(type
, "filter-mirror") ||
1795 g_str_equal(type
, "filter-redirector") ||
1796 g_str_equal(type
, "colo-compare") ||
1797 g_str_equal(type
, "filter-rewriter") ||
1798 g_str_equal(type
, "filter-replay")) {
1803 * Allocation of large amounts of memory may delay
1804 * chardev initialization for too long, and trigger timeouts
1805 * on software that waits for a monitor socket to be created
1808 if (g_str_has_prefix(type
, "memory-backend-")) {
1815 static void qemu_apply_machine_options(QDict
*qdict
)
1817 object_set_properties_from_keyval(OBJECT(current_machine
), qdict
, false, &error_fatal
);
1819 if (semihosting_enabled() && !semihosting_get_argc()) {
1820 /* fall back to the -kernel/-append */
1821 semihosting_arg_fallback(current_machine
->kernel_filename
, current_machine
->kernel_cmdline
);
1824 if (current_machine
->smp
.cpus
> 1) {
1825 Error
*blocker
= NULL
;
1826 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
1827 replay_add_blocker(blocker
);
1831 static void qemu_create_early_backends(void)
1833 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1834 #if defined(CONFIG_SDL)
1835 const bool use_sdl
= (dpy
.type
== DISPLAY_TYPE_SDL
);
1837 const bool use_sdl
= false;
1839 #if defined(CONFIG_GTK)
1840 const bool use_gtk
= (dpy
.type
== DISPLAY_TYPE_GTK
);
1842 const bool use_gtk
= false;
1845 if (dpy
.has_window_close
&& !use_gtk
&& !use_sdl
) {
1846 error_report("window-close is only valid for GTK and SDL, "
1850 qemu_display_early_init(&dpy
);
1851 qemu_console_early_init();
1853 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
1854 #if defined(CONFIG_OPENGL)
1855 error_report("OpenGL is not supported by the display");
1857 error_report("OpenGL support is disabled");
1862 object_option_foreach_add(object_create_early
);
1864 /* spice needs the timers to be initialized by this point */
1865 /* spice must initialize before audio as it changes the default audiodev */
1866 /* spice must initialize before chardevs (for spicevmc and spiceport) */
1869 qemu_opts_foreach(qemu_find_opts("chardev"),
1870 chardev_init_func
, NULL
, &error_fatal
);
1872 #ifdef CONFIG_VIRTFS
1873 qemu_opts_foreach(qemu_find_opts("fsdev"),
1874 fsdev_init_func
, NULL
, &error_fatal
);
1878 * Note: we need to create audio and block backends before
1879 * setting machine properties, so they can be referred to.
1881 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
1882 audio_init_audiodevs();
1887 * The remainder of object creation happens after the
1888 * creation of chardev, fsdev, net clients and device data types.
1890 static bool object_create_late(const char *type
)
1892 return !object_create_early(type
);
1895 static void qemu_create_late_backends(void)
1898 qtest_server_init(qtest_chrdev
, qtest_log
, &error_fatal
);
1901 net_init_clients(&error_fatal
);
1903 object_option_foreach_add(object_create_late
);
1905 if (tpm_init() < 0) {
1909 qemu_opts_foreach(qemu_find_opts("mon"),
1910 mon_init_func
, NULL
, &error_fatal
);
1912 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
1914 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
1916 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
1919 /* now chardevs have been created we may have semihosting to connect */
1920 qemu_semihosting_connect_chardevs();
1921 qemu_semihosting_console_init();
1924 static void qemu_resolve_machine_memdev(void)
1926 if (ram_memdev_id
) {
1928 ram_addr_t backend_size
;
1930 backend
= object_resolve_path_type(ram_memdev_id
,
1931 TYPE_MEMORY_BACKEND
, NULL
);
1933 error_report("Memory backend '%s' not found", ram_memdev_id
);
1936 if (!have_custom_ram_size
) {
1937 backend_size
= object_property_get_uint(backend
, "size", &error_abort
);
1938 current_machine
->ram_size
= backend_size
;
1940 object_property_set_link(OBJECT(current_machine
),
1941 "memory-backend", backend
, &error_fatal
);
1945 static void parse_memory_options(const char *arg
)
1949 const char *mem_str
;
1951 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"), arg
, true);
1958 if (qemu_opt_get_size(opts
, "size", 0) != 0) {
1959 mem_str
= qemu_opt_get(opts
, "size");
1961 error_report("missing 'size' option value");
1965 /* Fix up legacy suffix-less format */
1966 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
1967 g_autofree
char *mib_str
= g_strdup_printf("%sM", mem_str
);
1968 qdict_put_str(prop
, "size", mib_str
);
1970 qdict_put_str(prop
, "size", mem_str
);
1974 if (qemu_opt_get(opts
, "maxmem")) {
1975 qdict_put_str(prop
, "max-size", qemu_opt_get(opts
, "maxmem"));
1977 if (qemu_opt_get(opts
, "slots")) {
1978 qdict_put_str(prop
, "slots", qemu_opt_get(opts
, "slots"));
1982 qdict_put(dict
, "memory", prop
);
1983 keyval_merge(machine_opts_dict
, dict
, &error_fatal
);
1984 qobject_unref(dict
);
1987 static void qemu_create_machine(QDict
*qdict
)
1989 MachineClass
*machine_class
= select_machine(qdict
, &error_fatal
);
1990 object_set_machine_compat_props(machine_class
->compat_props
);
1992 current_machine
= MACHINE(object_new_with_class(OBJECT_CLASS(machine_class
)));
1993 object_property_add_child(object_get_root(), "machine",
1994 OBJECT(current_machine
));
1995 object_property_add_child(container_get(OBJECT(current_machine
),
1997 "sysbus", OBJECT(sysbus_get_default()));
1999 if (machine_class
->minimum_page_bits
) {
2000 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
2001 /* This would be a board error: specifying a minimum smaller than
2002 * a target's compile-time fixed setting.
2004 g_assert_not_reached();
2008 cpu_exec_init_all();
2011 if (machine_class
->hw_version
) {
2012 qemu_set_hw_version(machine_class
->hw_version
);
2016 * Get the default machine options from the machine if it is not already
2017 * specified either by the configuration file or by the command line.
2019 if (machine_class
->default_machine_opts
) {
2020 QDict
*default_opts
=
2021 keyval_parse(machine_class
->default_machine_opts
, NULL
, NULL
,
2023 qemu_apply_legacy_machine_options(default_opts
);
2024 object_set_properties_from_keyval(OBJECT(current_machine
), default_opts
,
2025 false, &error_abort
);
2026 qobject_unref(default_opts
);
2030 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2034 g
= g_malloc0(sizeof(*g
));
2035 g
->driver
= qemu_opt_get(opts
, "driver");
2036 g
->property
= qemu_opt_get(opts
, "property");
2037 g
->value
= qemu_opt_get(opts
, "value");
2038 qdev_prop_register_global(g
);
2043 * Return whether configuration group @group is stored in QemuOpts, or
2044 * recorded as one or more QDicts by qemu_record_config_group.
2046 static bool is_qemuopts_group(const char *group
)
2048 if (g_str_equal(group
, "object") ||
2049 g_str_equal(group
, "machine") ||
2050 g_str_equal(group
, "smp-opts") ||
2051 g_str_equal(group
, "boot-opts") ||
2052 g_str_equal(group
, "memory")) {
2058 static void qemu_record_config_group(const char *group
, QDict
*dict
,
2059 bool from_json
, Error
**errp
)
2061 if (g_str_equal(group
, "object")) {
2062 Visitor
*v
= qobject_input_visitor_new_keyval(QOBJECT(dict
));
2063 object_option_add_visitor(v
);
2065 } else if (g_str_equal(group
, "machine")) {
2067 * Cannot merge string-valued and type-safe dictionaries, so JSON
2068 * is not accepted yet for -M.
2071 keyval_merge(machine_opts_dict
, dict
, errp
);
2072 } else if (g_str_equal(group
, "smp-opts")) {
2073 machine_merge_property("smp", dict
, &error_fatal
);
2074 } else if (g_str_equal(group
, "boot-opts")) {
2075 machine_merge_property("boot", dict
, &error_fatal
);
2076 } else if (g_str_equal(group
, "memory")) {
2077 machine_merge_property("memory", dict
, &error_fatal
);
2084 * Parse non-QemuOpts config file groups, pass the rest to
2085 * qemu_config_do_parse.
2087 static void qemu_parse_config_group(const char *group
, QDict
*qdict
,
2088 void *opaque
, Error
**errp
)
2091 if (is_qemuopts_group(group
)) {
2092 qemu_config_do_parse(group
, qdict
, opaque
, errp
);
2096 crumpled
= qdict_crumple(qdict
, errp
);
2100 switch (qobject_type(crumpled
)) {
2102 qemu_record_config_group(group
, qobject_to(QDict
, crumpled
), false, errp
);
2105 error_setg(errp
, "Lists cannot be at top level of a configuration section");
2108 g_assert_not_reached();
2110 qobject_unref(crumpled
);
2113 static void qemu_read_default_config_file(Error
**errp
)
2117 g_autofree
char *file
= get_relocated_path(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2119 ret
= qemu_read_config_file(file
, qemu_parse_config_group
, errp
);
2121 if (ret
== -ENOENT
) {
2128 static void qemu_set_option(const char *str
, Error
**errp
)
2130 char group
[64], id
[64], arg
[64];
2135 rc
= sscanf(str
, "%63[^.].%63[^.].%63[^=]%n", group
, id
, arg
, &offset
);
2136 if (rc
< 3 || str
[offset
] != '=') {
2137 error_setg(errp
, "can't parse: \"%s\"", str
);
2141 if (!is_qemuopts_group(group
)) {
2142 error_setg(errp
, "-set is not supported with %s", group
);
2144 list
= qemu_find_opts_err(group
, errp
);
2146 opts
= qemu_opts_find(list
, id
);
2148 error_setg(errp
, "there is no %s \"%s\" defined", group
, id
);
2151 qemu_opt_set(opts
, arg
, str
+ offset
+ 1, errp
);
2156 static void user_register_global_props(void)
2158 qemu_opts_foreach(qemu_find_opts("global"),
2159 global_init_func
, NULL
, NULL
);
2162 static int do_configure_icount(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2164 icount_configure(opts
, errp
);
2168 static int accelerator_set_property(void *opaque
,
2169 const char *name
, const char *value
,
2172 return object_parse_property_opt(opaque
, name
, value
, "accel", errp
);
2175 static int do_configure_accelerator(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2177 bool *p_init_failed
= opaque
;
2178 const char *acc
= qemu_opt_get(opts
, "accel");
2179 AccelClass
*ac
= accel_find(acc
);
2182 bool qtest_with_kvm
;
2184 qtest_with_kvm
= g_str_equal(acc
, "kvm") && qtest_chrdev
!= NULL
;
2187 *p_init_failed
= true;
2188 if (!qtest_with_kvm
) {
2189 error_report("invalid accelerator %s", acc
);
2193 accel
= ACCEL(object_new_with_class(OBJECT_CLASS(ac
)));
2194 object_apply_compat_props(OBJECT(accel
));
2195 qemu_opt_foreach(opts
, accelerator_set_property
,
2199 ret
= accel_init_machine(accel
, current_machine
);
2201 *p_init_failed
= true;
2202 if (!qtest_with_kvm
|| ret
!= -ENOENT
) {
2203 error_report("failed to initialize %s: %s", acc
, strerror(-ret
));
2211 static void configure_accelerators(const char *progname
)
2213 bool init_failed
= false;
2215 qemu_opts_foreach(qemu_find_opts("icount"),
2216 do_configure_icount
, NULL
, &error_fatal
);
2218 if (QTAILQ_EMPTY(&qemu_accel_opts
.head
)) {
2219 char **accel_list
, **tmp
;
2221 if (accelerators
== NULL
) {
2222 /* Select the default accelerator */
2223 bool have_tcg
= accel_find("tcg");
2224 bool have_kvm
= accel_find("kvm");
2226 if (have_tcg
&& have_kvm
) {
2227 if (g_str_has_suffix(progname
, "kvm")) {
2228 /* If the program name ends with "kvm", we prefer KVM */
2229 accelerators
= "kvm:tcg";
2231 accelerators
= "tcg:kvm";
2233 } else if (have_kvm
) {
2234 accelerators
= "kvm";
2235 } else if (have_tcg
) {
2236 accelerators
= "tcg";
2238 error_report("No accelerator selected and"
2239 " no default accelerator available");
2243 accel_list
= g_strsplit(accelerators
, ":", 0);
2245 for (tmp
= accel_list
; *tmp
; tmp
++) {
2247 * Filter invalid accelerators here, to prevent obscenities
2248 * such as "-machine accel=tcg,,thread=single".
2250 if (accel_find(*tmp
)) {
2251 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp
, true);
2254 error_report("invalid accelerator %s", *tmp
);
2257 g_strfreev(accel_list
);
2259 if (accelerators
!= NULL
) {
2260 error_report("The -accel and \"-machine accel=\" options are incompatible");
2265 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2266 do_configure_accelerator
, &init_failed
, &error_fatal
)) {
2268 error_report("no accelerator found");
2273 if (init_failed
&& !qtest_chrdev
) {
2274 AccelClass
*ac
= ACCEL_GET_CLASS(current_accel());
2275 error_report("falling back to %s", ac
->name
);
2278 if (icount_enabled() && !tcg_enabled()) {
2279 error_report("-icount is not allowed with hardware virtualization");
2284 static void qemu_validate_options(const QDict
*machine_opts
)
2286 const char *kernel_filename
= qdict_get_try_str(machine_opts
, "kernel");
2287 const char *initrd_filename
= qdict_get_try_str(machine_opts
, "initrd");
2288 const char *kernel_cmdline
= qdict_get_try_str(machine_opts
, "append");
2290 if (kernel_filename
== NULL
) {
2291 if (kernel_cmdline
!= NULL
) {
2292 error_report("-append only allowed with -kernel option");
2296 if (initrd_filename
!= NULL
) {
2297 error_report("-initrd only allowed with -kernel option");
2302 if (loadvm
&& preconfig_requested
) {
2303 error_report("'preconfig' and 'loadvm' options are "
2304 "mutually exclusive");
2307 if (incoming
&& preconfig_requested
&& strcmp(incoming
, "defer") != 0) {
2308 error_report("'preconfig' supports '-incoming defer' only");
2312 #ifdef CONFIG_CURSES
2313 if (is_daemonized() && dpy
.type
== DISPLAY_TYPE_CURSES
) {
2314 error_report("curses display cannot be used with -daemonize");
2320 static void qemu_process_sugar_options(void)
2323 QObject
*smp
= qdict_get(machine_opts_dict
, "smp");
2324 if (smp
&& qobject_type(smp
) == QTYPE_QDICT
) {
2325 QObject
*cpus
= qdict_get(qobject_to(QDict
, smp
), "cpus");
2326 if (cpus
&& qobject_type(cpus
) == QTYPE_QSTRING
) {
2327 const char *val
= qstring_get_str(qobject_to(QString
, cpus
));
2328 object_register_sugar_prop("memory-backend", "prealloc-threads",
2332 object_register_sugar_prop("memory-backend", "prealloc", "on", false);
2336 int i
= select_watchdog(watchdog
);
2338 exit (i
== 1 ? 1 : 0);
2342 /* -action processing */
2345 * Process all the -action parameters parsed from cmdline.
2347 static int process_runstate_actions(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2349 Error
*local_err
= NULL
;
2350 QDict
*qdict
= qemu_opts_to_qdict(opts
, NULL
);
2351 QObject
*ret
= NULL
;
2352 qmp_marshal_set_action(qdict
, &ret
, &local_err
);
2354 qobject_unref(qdict
);
2356 error_propagate(errp
, local_err
);
2362 static void qemu_process_early_options(void)
2364 #ifdef CONFIG_SECCOMP
2365 QemuOptsList
*olist
= qemu_find_opts_err("sandbox", NULL
);
2367 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
2371 qemu_opts_foreach(qemu_find_opts("name"),
2372 parse_name
, NULL
, &error_fatal
);
2374 if (qemu_opts_foreach(qemu_find_opts("action"),
2375 process_runstate_actions
, NULL
, &error_fatal
)) {
2380 qemu_opts_foreach(qemu_find_opts("add-fd"),
2381 parse_add_fd
, NULL
, &error_fatal
);
2383 qemu_opts_foreach(qemu_find_opts("add-fd"),
2384 cleanup_add_fd
, NULL
, &error_fatal
);
2387 /* Open the logfile at this point and set the log mask if necessary. */
2391 mask
= qemu_str_to_log_mask(log_mask
);
2393 qemu_print_log_usage(stdout
);
2397 qemu_set_log_filename_flags(log_file
, mask
, &error_fatal
);
2400 qemu_add_default_firmwarepath();
2403 static void qemu_process_help_options(void)
2406 * Check for -cpu help and -device help before we call select_machine(),
2407 * which will return an error if the architecture has no default machine
2408 * type and the user did not specify one, so that the user doesn't need
2409 * to say '-cpu help -machine something'.
2411 if (cpu_option
&& is_help_option(cpu_option
)) {
2412 list_cpus(cpu_option
);
2416 if (qemu_opts_foreach(qemu_find_opts("device"),
2417 device_help_func
, NULL
, NULL
)) {
2421 /* -L help lists the data directories and exits. */
2422 if (list_data_dirs
) {
2423 qemu_list_data_dirs();
2428 static void qemu_maybe_daemonize(const char *pid_file
)
2433 rcu_disable_atfork();
2435 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
2436 error_reportf_err(err
, "cannot create PID file: ");
2440 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
2441 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
2444 static void qemu_init_displays(void)
2448 /* init local displays */
2449 ds
= init_displaystate();
2450 qemu_display_init(ds
, &dpy
);
2452 /* must be after terminal init, SDL library changes signal handlers */
2453 os_setup_signal_handling();
2455 /* init remote displays */
2457 qemu_opts_foreach(qemu_find_opts("vnc"),
2458 vnc_init_func
, NULL
, &error_fatal
);
2462 qemu_spice
.display_init();
2466 static void qemu_init_board(void)
2468 /* process plugin before CPUs are created, but once -smp has been parsed */
2469 qemu_plugin_load_list(&plugin_list
, &error_fatal
);
2471 /* From here on we enter MACHINE_PHASE_INITIALIZED. */
2472 machine_run_board_init(current_machine
, mem_path
, &error_fatal
);
2474 drive_check_orphaned();
2478 if (hax_enabled()) {
2479 /* FIXME: why isn't cpu_synchronize_all_post_init enough? */
2484 static void qemu_create_cli_devices(void)
2490 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
2491 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
2493 /* init USB devices */
2494 if (machine_usb(current_machine
)) {
2495 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
2499 /* init generic devices */
2500 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
2501 qemu_opts_foreach(qemu_find_opts("device"),
2502 device_init_func
, NULL
, &error_fatal
);
2503 QTAILQ_FOREACH(opt
, &device_opts
, next
) {
2505 loc_push_restore(&opt
->loc
);
2507 * TODO Eventually we should call qmp_device_add() here to make sure it
2508 * behaves the same, but QMP still has to accept incorrectly typed
2509 * options until libvirt is fixed and we want to be strict on the CLI
2510 * from the start, so call qdev_device_add_from_qdict() directly for
2513 dev
= qdev_device_add_from_qdict(opt
->opts
, true, &error_fatal
);
2514 object_unref(OBJECT(dev
));
2517 rom_reset_order_override();
2520 static void qemu_machine_creation_done(void)
2522 MachineState
*machine
= MACHINE(qdev_get_machine());
2524 /* Did we create any drives that we failed to create a device for? */
2525 drive_check_orphaned();
2527 /* Don't warn about the default network setup that you get if
2528 * no command line -net or -netdev options are specified. There
2529 * are two cases that we would otherwise complain about:
2530 * (1) board doesn't support a NIC but the implicit "-net nic"
2532 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
2533 * sets up a nic that isn't connected to anything.
2535 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
2536 net_check_clients();
2539 qdev_prop_check_globals();
2541 qdev_machine_creation_done();
2545 * Verify that Confidential Guest Support has actually been initialized
2547 assert(machine
->cgs
->ready
);
2550 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
2553 if (!vga_interface_created
&& !default_vga
&&
2554 vga_interface_type
!= VGA_NONE
) {
2555 warn_report("A -vga option was passed but this machine "
2556 "type does not use that option; "
2557 "No VGA device has been created");
2561 void qmp_x_exit_preconfig(Error
**errp
)
2563 if (phase_check(PHASE_MACHINE_INITIALIZED
)) {
2564 error_setg(errp
, "The command is permitted only before machine initialization");
2569 qemu_create_cli_devices();
2570 qemu_machine_creation_done();
2573 load_snapshot(loadvm
, NULL
, false, NULL
, &error_fatal
);
2575 if (replay_mode
!= REPLAY_MODE_NONE
) {
2576 replay_vmstate_init();
2580 Error
*local_err
= NULL
;
2581 if (strcmp(incoming
, "defer") != 0) {
2582 qmp_migrate_incoming(incoming
, &local_err
);
2584 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
2588 } else if (autostart
) {
2593 void qemu_init(int argc
, char **argv
, char **envp
)
2596 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2597 QemuOptsList
*olist
;
2600 MachineClass
*machine_class
;
2601 bool userconfig
= true;
2602 FILE *vmstate_dump_file
= NULL
;
2604 qemu_add_opts(&qemu_drive_opts
);
2605 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2606 qemu_add_drive_opts(&qemu_common_drive_opts
);
2607 qemu_add_drive_opts(&qemu_drive_opts
);
2608 qemu_add_drive_opts(&bdrv_runtime_opts
);
2609 qemu_add_opts(&qemu_chardev_opts
);
2610 qemu_add_opts(&qemu_device_opts
);
2611 qemu_add_opts(&qemu_netdev_opts
);
2612 qemu_add_opts(&qemu_nic_opts
);
2613 qemu_add_opts(&qemu_net_opts
);
2614 qemu_add_opts(&qemu_rtc_opts
);
2615 qemu_add_opts(&qemu_global_opts
);
2616 qemu_add_opts(&qemu_mon_opts
);
2617 qemu_add_opts(&qemu_trace_opts
);
2618 qemu_plugin_add_opts();
2619 qemu_add_opts(&qemu_option_rom_opts
);
2620 qemu_add_opts(&qemu_accel_opts
);
2621 qemu_add_opts(&qemu_mem_opts
);
2622 qemu_add_opts(&qemu_smp_opts
);
2623 qemu_add_opts(&qemu_boot_opts
);
2624 qemu_add_opts(&qemu_add_fd_opts
);
2625 qemu_add_opts(&qemu_object_opts
);
2626 qemu_add_opts(&qemu_tpmdev_opts
);
2627 qemu_add_opts(&qemu_overcommit_opts
);
2628 qemu_add_opts(&qemu_msg_opts
);
2629 qemu_add_opts(&qemu_name_opts
);
2630 qemu_add_opts(&qemu_numa_opts
);
2631 qemu_add_opts(&qemu_icount_opts
);
2632 qemu_add_opts(&qemu_semihosting_config_opts
);
2633 qemu_add_opts(&qemu_fw_cfg_opts
);
2634 qemu_add_opts(&qemu_action_opts
);
2635 module_call_init(MODULE_INIT_OPTS
);
2637 error_init(argv
[0]);
2638 qemu_init_exec_dir(argv
[0]);
2640 qemu_init_arch_modules();
2642 qemu_init_subsystems();
2644 /* first pass of option parsing */
2646 while (optind
< argc
) {
2647 if (argv
[optind
][0] != '-') {
2651 const QEMUOption
*popt
;
2653 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2654 switch (popt
->index
) {
2655 case QEMU_OPTION_nouserconfig
:
2662 machine_opts_dict
= qdict_new();
2664 qemu_read_default_config_file(&error_fatal
);
2667 /* second pass of option parsing */
2672 if (argv
[optind
][0] != '-') {
2673 loc_set_cmdline(argv
, optind
, 1);
2674 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2676 const QEMUOption
*popt
;
2678 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2679 if (!(popt
->arch_mask
& arch_type
)) {
2680 error_report("Option not supported for this target");
2683 switch(popt
->index
) {
2684 case QEMU_OPTION_cpu
:
2685 /* hw initialization will check this */
2686 cpu_option
= optarg
;
2688 case QEMU_OPTION_hda
:
2689 case QEMU_OPTION_hdb
:
2690 case QEMU_OPTION_hdc
:
2691 case QEMU_OPTION_hdd
:
2692 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2695 case QEMU_OPTION_blockdev
:
2698 BlockdevOptionsQueueEntry
*bdo
;
2700 v
= qobject_input_visitor_new_str(optarg
, "driver",
2703 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
2704 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
2707 loc_save(&bdo
->loc
);
2708 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
2711 case QEMU_OPTION_drive
:
2712 opts
= qemu_opts_parse_noisily(qemu_find_opts("drive"),
2718 case QEMU_OPTION_set
:
2719 qemu_set_option(optarg
, &error_fatal
);
2721 case QEMU_OPTION_global
:
2722 if (qemu_global_option(optarg
) != 0)
2725 case QEMU_OPTION_mtdblock
:
2726 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2728 case QEMU_OPTION_sd
:
2729 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2731 case QEMU_OPTION_pflash
:
2732 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2734 case QEMU_OPTION_snapshot
:
2736 Error
*blocker
= NULL
;
2738 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
2740 replay_add_blocker(blocker
);
2743 case QEMU_OPTION_numa
:
2744 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
2750 case QEMU_OPTION_display
:
2751 parse_display(optarg
);
2753 case QEMU_OPTION_nographic
:
2754 qdict_put_str(machine_opts_dict
, "graphics", "off");
2756 dpy
.type
= DISPLAY_TYPE_NONE
;
2758 case QEMU_OPTION_portrait
:
2759 graphic_rotate
= 90;
2761 case QEMU_OPTION_rotate
:
2762 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2763 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2764 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2765 error_report("only 90, 180, 270 deg rotation is available");
2769 case QEMU_OPTION_kernel
:
2770 qdict_put_str(machine_opts_dict
, "kernel", optarg
);
2772 case QEMU_OPTION_initrd
:
2773 qdict_put_str(machine_opts_dict
, "initrd", optarg
);
2775 case QEMU_OPTION_append
:
2776 qdict_put_str(machine_opts_dict
, "append", optarg
);
2778 case QEMU_OPTION_dtb
:
2779 qdict_put_str(machine_opts_dict
, "dtb", optarg
);
2781 case QEMU_OPTION_cdrom
:
2782 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2784 case QEMU_OPTION_boot
:
2785 machine_parse_property_opt(qemu_find_opts("boot-opts"), "boot", optarg
);
2787 case QEMU_OPTION_fda
:
2788 case QEMU_OPTION_fdb
:
2789 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2792 case QEMU_OPTION_no_fd_bootchk
:
2795 case QEMU_OPTION_netdev
:
2797 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2801 case QEMU_OPTION_nic
:
2803 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
2807 case QEMU_OPTION_net
:
2809 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2813 #ifdef CONFIG_LIBISCSI
2814 case QEMU_OPTION_iscsi
:
2815 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
2822 case QEMU_OPTION_audio_help
:
2823 audio_legacy_help();
2826 case QEMU_OPTION_audiodev
:
2827 audio_parse_option(optarg
);
2829 case QEMU_OPTION_audio
: {
2830 QDict
*dict
= keyval_parse(optarg
, "driver", NULL
, &error_fatal
);
2832 Audiodev
*dev
= NULL
;
2835 if (!qdict_haskey(dict
, "id")) {
2836 qdict_put_str(dict
, "id", "audiodev0");
2838 if (!qdict_haskey(dict
, "model")) {
2839 error_setg(&error_fatal
, "Parameter 'model' is missing");
2841 model
= g_strdup(qdict_get_str(dict
, "model"));
2842 qdict_del(dict
, "model");
2843 if (is_help_option(model
)) {
2844 show_valid_soundhw();
2847 v
= qobject_input_visitor_new_keyval(QOBJECT(dict
));
2848 qobject_unref(dict
);
2849 visit_type_Audiodev(v
, NULL
, &dev
, &error_fatal
);
2852 select_soundhw(model
, dev
->id
);
2859 case QEMU_OPTION_version
:
2864 parse_memory_options(optarg
);
2867 case QEMU_OPTION_tpmdev
:
2868 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
2873 case QEMU_OPTION_mempath
:
2876 case QEMU_OPTION_mem_prealloc
:
2885 case QEMU_OPTION_DFILTER
:
2886 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
2888 case QEMU_OPTION_seed
:
2889 qemu_guest_random_seed_main(optarg
, &error_fatal
);
2892 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
2894 case QEMU_OPTION_gdb
:
2895 add_device_config(DEV_GDB
, optarg
);
2898 if (is_help_option(optarg
)) {
2899 list_data_dirs
= true;
2901 qemu_add_data_dir(g_strdup(optarg
));
2904 case QEMU_OPTION_bios
:
2905 qdict_put_str(machine_opts_dict
, "firmware", optarg
);
2907 case QEMU_OPTION_singlestep
:
2914 keyboard_layout
= optarg
;
2916 case QEMU_OPTION_vga
:
2925 w
= strtol(p
, (char **)&p
, 10);
2928 error_report("invalid resolution or depth");
2934 h
= strtol(p
, (char **)&p
, 10);
2939 depth
= strtol(p
, (char **)&p
, 10);
2940 if (depth
!= 1 && depth
!= 2 && depth
!= 4 &&
2941 depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2942 depth
!= 24 && depth
!= 32)
2944 } else if (*p
== '\0') {
2945 depth
= graphic_depth
;
2952 graphic_depth
= depth
;
2955 case QEMU_OPTION_echr
:
2958 term_escape_char
= strtol(optarg
, &r
, 0);
2960 printf("Bad argument to echr\n");
2963 case QEMU_OPTION_monitor
:
2964 default_monitor
= 0;
2965 if (strncmp(optarg
, "none", 4)) {
2966 monitor_parse(optarg
, "readline", false);
2969 case QEMU_OPTION_qmp
:
2970 monitor_parse(optarg
, "control", false);
2971 default_monitor
= 0;
2973 case QEMU_OPTION_qmp_pretty
:
2974 monitor_parse(optarg
, "control", true);
2975 default_monitor
= 0;
2977 case QEMU_OPTION_mon
:
2978 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
2983 default_monitor
= 0;
2985 case QEMU_OPTION_chardev
:
2986 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
2992 case QEMU_OPTION_fsdev
:
2993 olist
= qemu_find_opts("fsdev");
2995 error_report("fsdev support is disabled");
2998 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3003 case QEMU_OPTION_virtfs
: {
3006 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
,
3009 olist
= qemu_find_opts("virtfs");
3011 error_report("virtfs support is disabled");
3014 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3019 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3020 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3021 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3024 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3025 qemu_opts_id(opts
) ?:
3026 qemu_opt_get(opts
, "mount_tag"),
3029 error_report("duplicate or invalid fsdev id: %s",
3030 qemu_opt_get(opts
, "mount_tag"));
3034 writeout
= qemu_opt_get(opts
, "writeout");
3036 #ifdef CONFIG_SYNC_FILE_RANGE
3037 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3039 error_report("writeout=immediate not supported "
3040 "on this platform");
3044 qemu_opt_set(fsdev
, "fsdriver",
3045 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3046 path
= qemu_opt_get(opts
, "path");
3048 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3050 security_model
= qemu_opt_get(opts
, "security_model");
3051 if (security_model
) {
3052 qemu_opt_set(fsdev
, "security_model", security_model
,
3055 socket
= qemu_opt_get(opts
, "socket");
3057 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3059 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3061 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3064 qemu_opt_set_bool(fsdev
, "readonly",
3065 qemu_opt_get_bool(opts
, "readonly", 0),
3067 multidevs
= qemu_opt_get(opts
, "multidevs");
3069 qemu_opt_set(fsdev
, "multidevs", multidevs
, &error_abort
);
3071 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3073 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3074 qemu_opt_set(device
, "fsdev",
3075 qemu_opts_id(fsdev
), &error_abort
);
3076 qemu_opt_set(device
, "mount_tag",
3077 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3080 case QEMU_OPTION_serial
:
3081 add_device_config(DEV_SERIAL
, optarg
);
3083 if (strncmp(optarg
, "mon:", 4) == 0) {
3084 default_monitor
= 0;
3087 case QEMU_OPTION_watchdog
:
3089 error_report("only one watchdog option may be given");
3092 warn_report("-watchdog is deprecated; use -device instead.");
3095 case QEMU_OPTION_action
:
3096 olist
= qemu_find_opts("action");
3097 if (!qemu_opts_parse_noisily(olist
, optarg
, false)) {
3101 case QEMU_OPTION_watchdog_action
: {
3103 opts
= qemu_opts_create(qemu_find_opts("action"), NULL
, 0, &error_abort
);
3104 qemu_opt_set(opts
, "watchdog", optarg
, &error_abort
);
3107 case QEMU_OPTION_parallel
:
3108 add_device_config(DEV_PARALLEL
, optarg
);
3109 default_parallel
= 0;
3110 if (strncmp(optarg
, "mon:", 4) == 0) {
3111 default_monitor
= 0;
3114 case QEMU_OPTION_debugcon
:
3115 add_device_config(DEV_DEBUGCON
, optarg
);
3117 case QEMU_OPTION_loadvm
:
3120 case QEMU_OPTION_full_screen
:
3121 dpy
.has_full_screen
= true;
3122 dpy
.full_screen
= true;
3124 case QEMU_OPTION_pidfile
:
3127 case QEMU_OPTION_win2k_hack
:
3128 win2k_install_hack
= 1;
3130 case QEMU_OPTION_acpitable
:
3131 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3136 acpi_table_add(opts
, &error_fatal
);
3138 case QEMU_OPTION_smbios
:
3139 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3144 smbios_entry_add(opts
, &error_fatal
);
3146 case QEMU_OPTION_fwcfg
:
3147 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3153 case QEMU_OPTION_preconfig
:
3154 preconfig_requested
= true;
3156 case QEMU_OPTION_enable_kvm
:
3157 qdict_put_str(machine_opts_dict
, "accel", "kvm");
3160 case QEMU_OPTION_machine
:
3164 keyval_parse_into(machine_opts_dict
, optarg
, "type", &help
, &error_fatal
);
3166 machine_help_func(machine_opts_dict
);
3171 case QEMU_OPTION_accel
:
3172 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3174 optarg
= qemu_opt_get(accel_opts
, "accel");
3175 if (!optarg
|| is_help_option(optarg
)) {
3176 printf("Accelerators supported in QEMU binary:\n");
3177 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3179 for (el
= accel_list
; el
; el
= el
->next
) {
3180 gchar
*typename
= g_strdup(object_class_get_name(
3181 OBJECT_CLASS(el
->data
)));
3182 /* omit qtest which is used for tests only */
3183 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3184 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3185 gchar
**optname
= g_strsplit(typename
,
3186 ACCEL_CLASS_SUFFIX
, 0);
3187 printf("%s\n", optname
[0]);
3188 g_strfreev(optname
);
3192 g_slist_free(accel_list
);
3196 case QEMU_OPTION_usb
:
3197 qdict_put_str(machine_opts_dict
, "usb", "on");
3199 case QEMU_OPTION_usbdevice
:
3200 qdict_put_str(machine_opts_dict
, "usb", "on");
3201 add_device_config(DEV_USB
, optarg
);
3203 case QEMU_OPTION_device
:
3204 if (optarg
[0] == '{') {
3205 QObject
*obj
= qobject_from_json(optarg
, &error_fatal
);
3206 DeviceOption
*opt
= g_new0(DeviceOption
, 1);
3207 opt
->opts
= qobject_to(QDict
, obj
);
3208 loc_save(&opt
->loc
);
3209 assert(opt
->opts
!= NULL
);
3210 QTAILQ_INSERT_TAIL(&device_opts
, opt
, next
);
3212 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3218 case QEMU_OPTION_smp
:
3219 machine_parse_property_opt(qemu_find_opts("smp-opts"),
3222 case QEMU_OPTION_vnc
:
3225 case QEMU_OPTION_no_acpi
:
3226 qdict_put_str(machine_opts_dict
, "acpi", "off");
3228 case QEMU_OPTION_no_hpet
:
3229 qdict_put_str(machine_opts_dict
, "hpet", "off");
3231 case QEMU_OPTION_no_reboot
:
3232 olist
= qemu_find_opts("action");
3233 qemu_opts_parse_noisily(olist
, "reboot=shutdown", false);
3235 case QEMU_OPTION_no_shutdown
:
3236 olist
= qemu_find_opts("action");
3237 qemu_opts_parse_noisily(olist
, "shutdown=pause", false);
3239 case QEMU_OPTION_uuid
:
3240 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3241 error_report("failed to parse UUID string: wrong format");
3244 qemu_uuid_set
= true;
3246 case QEMU_OPTION_option_rom
:
3247 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3248 error_report("too many option ROMs");
3251 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3256 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3257 option_rom
[nb_option_roms
].bootindex
=
3258 qemu_opt_get_number(opts
, "bootindex", -1);
3259 if (!option_rom
[nb_option_roms
].name
) {
3260 error_report("Option ROM file is not specified");
3265 case QEMU_OPTION_semihosting
:
3266 qemu_semihosting_enable();
3268 case QEMU_OPTION_semihosting_config
:
3269 if (qemu_semihosting_config_options(optarg
) != 0) {
3273 case QEMU_OPTION_name
:
3274 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3279 /* Capture guest name if -msg guest-name is used later */
3280 error_guest_name
= qemu_opt_get(opts
, "guest");
3282 case QEMU_OPTION_prom_env
:
3283 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3284 error_report("too many prom variables");
3287 prom_envs
[nb_prom_envs
] = optarg
;
3290 case QEMU_OPTION_old_param
:
3293 case QEMU_OPTION_rtc
:
3294 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3300 case QEMU_OPTION_icount
:
3301 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3307 case QEMU_OPTION_incoming
:
3309 runstate_set(RUN_STATE_INMIGRATE
);
3313 case QEMU_OPTION_only_migratable
:
3314 only_migratable
= 1;
3316 case QEMU_OPTION_nodefaults
:
3319 case QEMU_OPTION_xen_domid
:
3320 if (!(accel_find("xen"))) {
3321 error_report("Option not supported for this target");
3324 xen_domid
= atoi(optarg
);
3326 case QEMU_OPTION_xen_attach
:
3327 if (!(accel_find("xen"))) {
3328 error_report("Option not supported for this target");
3331 xen_mode
= XEN_ATTACH
;
3333 case QEMU_OPTION_xen_domid_restrict
:
3334 if (!(accel_find("xen"))) {
3335 error_report("Option not supported for this target");
3338 xen_domid_restrict
= true;
3340 case QEMU_OPTION_trace
:
3341 trace_opt_parse(optarg
);
3343 case QEMU_OPTION_plugin
:
3344 qemu_plugin_opt_parse(optarg
, &plugin_list
);
3346 case QEMU_OPTION_readconfig
:
3347 qemu_read_config_file(optarg
, qemu_parse_config_group
, &error_fatal
);
3350 case QEMU_OPTION_spice
:
3351 olist
= qemu_find_opts_err("spice", NULL
);
3353 error_report("spice support is disabled");
3356 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3363 case QEMU_OPTION_qtest
:
3364 qtest_chrdev
= optarg
;
3366 case QEMU_OPTION_qtest_log
:
3369 case QEMU_OPTION_sandbox
:
3370 olist
= qemu_find_opts("sandbox");
3372 #ifndef CONFIG_SECCOMP
3373 error_report("-sandbox support is not enabled "
3374 "in this QEMU binary");
3379 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3384 case QEMU_OPTION_add_fd
:
3386 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3392 error_report("File descriptor passing is disabled on this "
3397 case QEMU_OPTION_object
:
3398 object_option_parse(optarg
);
3400 case QEMU_OPTION_overcommit
:
3401 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3406 enable_mlock
= qemu_opt_get_bool(opts
, "mem-lock", false);
3407 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3409 case QEMU_OPTION_compat
:
3414 v
= qobject_input_visitor_new_str(optarg
, NULL
,
3417 visit_type_CompatPolicy(v
, NULL
, &opts
, &error_fatal
);
3418 QAPI_CLONE_MEMBERS(CompatPolicy
, &compat_policy
, opts
);
3420 qapi_free_CompatPolicy(opts
);
3424 case QEMU_OPTION_msg
:
3425 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3430 configure_msg(opts
);
3432 case QEMU_OPTION_dump_vmstate
:
3433 if (vmstate_dump_file
) {
3434 error_report("only one '-dump-vmstate' "
3435 "option may be given");
3438 vmstate_dump_file
= fopen(optarg
, "w");
3439 if (vmstate_dump_file
== NULL
) {
3440 error_report("open %s: %s", optarg
, strerror(errno
));
3444 case QEMU_OPTION_enable_sync_profile
:
3447 case QEMU_OPTION_nouserconfig
:
3448 /* Nothing to be parsed here. Especially, do not error out below. */
3451 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3452 error_report("Option not supported in this build");
3459 * Clear error location left behind by the loop.
3460 * Best done right after the loop. Do not insert code here!
3464 qemu_validate_options(machine_opts_dict
);
3465 qemu_process_sugar_options();
3468 * These options affect everything else and should be processed
3469 * before daemonizing.
3471 qemu_process_early_options();
3473 qemu_process_help_options();
3474 qemu_maybe_daemonize(pid_file
);
3477 * The trace backend must be initialized after daemonizing.
3478 * trace_init_backends() will call st_init(), which will create the
3479 * trace thread in the parent, and also register st_flush_trace_buffer()
3480 * in atexit(). This function will force the parent to wait for the
3481 * writeout thread to finish, which will not occur, and the parent
3482 * process will be left in the host.
3484 if (!trace_init_backends()) {
3489 qemu_init_main_loop(&error_fatal
);
3492 user_register_global_props();
3493 replay_configure(icount_opts
);
3495 configure_rtc(qemu_find_opts_singleton("rtc"));
3497 qemu_create_machine(machine_opts_dict
);
3501 qemu_disable_default_devices();
3502 qemu_create_default_devices();
3503 qemu_create_early_backends();
3505 qemu_apply_legacy_machine_options(machine_opts_dict
);
3506 qemu_apply_machine_options(machine_opts_dict
);
3507 qobject_unref(machine_opts_dict
);
3508 phase_advance(PHASE_MACHINE_CREATED
);
3511 * Note: uses machine properties such as kernel-irqchip, must run
3512 * after qemu_apply_machine_options.
3514 configure_accelerators(argv
[0]);
3515 phase_advance(PHASE_ACCEL_CREATED
);
3518 * Beware, QOM objects created before this point miss global and
3519 * compat properties.
3521 * Global properties get set up by qdev_prop_register_global(),
3522 * called from user_register_global_props(), and certain option
3523 * desugaring. Also in CPU feature desugaring (buried in
3524 * parse_cpu_option()), which happens below this point, but may
3525 * only target the CPU type, which can only be created after
3526 * parse_cpu_option() returned the type.
3528 * Machine compat properties: object_set_machine_compat_props().
3529 * Accelerator compat props: object_set_accelerator_compat_props(),
3530 * called from do_configure_accelerator().
3533 machine_class
= MACHINE_GET_CLASS(current_machine
);
3534 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
3535 warn_report("Machine type '%s' is deprecated: %s",
3536 machine_class
->name
, machine_class
->deprecation_reason
);
3540 * Note: creates a QOM object, must run only after global and
3541 * compat properties have been set up.
3543 migration_object_init();
3545 qemu_create_late_backends();
3547 /* parse features once if machine provides default cpu_type */
3548 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
3550 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
3552 /* NB: for machine none cpu_type could STILL be NULL here! */
3554 qemu_resolve_machine_memdev();
3555 parse_numa_opts(current_machine
);
3557 if (vmstate_dump_file
) {
3559 module_load_qom_all();
3560 dump_vmstate_json_to_file(vmstate_dump_file
);
3564 if (!preconfig_requested
) {
3565 qmp_x_exit_preconfig(&error_fatal
);
3567 qemu_init_displays();
3568 accel_setup_post(current_machine
);