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-common.h"
27 #include "qemu/datadir.h"
28 #include "qemu/units.h"
29 #include "exec/cpu-common.h"
30 #include "hw/boards.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/qjson.h"
36 #include "qemu-version.h"
37 #include "qemu/cutils.h"
38 #include "qemu/help_option.h"
39 #include "qemu/uuid.h"
40 #include "sysemu/reset.h"
41 #include "sysemu/runstate.h"
42 #include "sysemu/runstate-action.h"
43 #include "sysemu/seccomp.h"
44 #include "sysemu/tcg.h"
45 #include "sysemu/xen.h"
47 #include "qemu/error-report.h"
48 #include "qemu/sockets.h"
49 #include "qemu/accel.h"
51 #include "hw/isa/isa.h"
52 #include "hw/scsi/scsi.h"
53 #include "hw/display/vga.h"
54 #include "sysemu/watchdog.h"
55 #include "hw/firmware/smbios.h"
56 #include "hw/acpi/acpi.h"
57 #include "hw/xen/xen.h"
58 #include "hw/loader.h"
59 #include "monitor/qdev.h"
61 #include "net/slirp.h"
62 #include "monitor/monitor.h"
63 #include "ui/console.h"
65 #include "sysemu/sysemu.h"
66 #include "sysemu/numa.h"
67 #include "sysemu/hostmem.h"
68 #include "exec/gdbstub.h"
69 #include "qemu/timer.h"
70 #include "chardev/char.h"
71 #include "qemu/bitmap.h"
73 #include "sysemu/blockdev.h"
74 #include "hw/block/block.h"
75 #include "hw/i386/x86.h"
76 #include "hw/i386/pc.h"
77 #include "migration/misc.h"
78 #include "migration/snapshot.h"
79 #include "sysemu/tpm.h"
80 #include "sysemu/dma.h"
81 #include "hw/audio/soundhw.h"
82 #include "audio/audio.h"
83 #include "sysemu/cpus.h"
84 #include "sysemu/cpu-timers.h"
85 #include "migration/colo.h"
86 #include "migration/postcopy-ram.h"
87 #include "sysemu/kvm.h"
88 #include "sysemu/hax.h"
89 #include "qapi/qobject-input-visitor.h"
90 #include "qemu/option.h"
91 #include "qemu/config-file.h"
92 #include "qemu-options.h"
93 #include "qemu/main-loop.h"
95 #include "fsdev/qemu-fsdev.h"
97 #include "sysemu/qtest.h"
99 #include "disas/disas.h"
102 #include "trace/control.h"
103 #include "qemu/plugin.h"
104 #include "qemu/queue.h"
105 #include "sysemu/arch_init.h"
106 #include "exec/confidential-guest-support.h"
108 #include "ui/qemu-spice.h"
109 #include "qapi/string-input-visitor.h"
110 #include "qapi/opts-visitor.h"
111 #include "qapi/clone-visitor.h"
112 #include "qom/object_interfaces.h"
113 #include "semihosting/semihost.h"
114 #include "crypto/init.h"
115 #include "sysemu/replay.h"
116 #include "qapi/qapi-events-run-state.h"
117 #include "qapi/qapi-visit-block-core.h"
118 #include "qapi/qapi-visit-compat.h"
119 #include "qapi/qapi-visit-ui.h"
120 #include "qapi/qapi-commands-block-core.h"
121 #include "qapi/qapi-commands-migration.h"
122 #include "qapi/qapi-commands-misc.h"
123 #include "qapi/qapi-visit-qom.h"
124 #include "qapi/qapi-commands-ui.h"
125 #include "qapi/qmp/qerror.h"
126 #include "sysemu/iothread.h"
127 #include "qemu/guest-random.h"
129 #define MAX_VIRTIO_CONSOLES 1
131 typedef struct BlockdevOptionsQueueEntry
{
132 BlockdevOptions
*bdo
;
134 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
135 } BlockdevOptionsQueueEntry
;
137 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
139 typedef struct ObjectOption
{
141 QTAILQ_ENTRY(ObjectOption
) next
;
144 static const char *cpu_option
;
145 static const char *mem_path
;
146 static const char *incoming
;
147 static const char *loadvm
;
148 static QTAILQ_HEAD(, ObjectOption
) object_opts
= QTAILQ_HEAD_INITIALIZER(object_opts
);
149 static ram_addr_t maxram_size
;
150 static uint64_t ram_slots
;
151 static int display_remote
;
153 static bool preconfig_requested
;
154 static QemuPluginList plugin_list
= QTAILQ_HEAD_INITIALIZER(plugin_list
);
155 static BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
156 static bool nographic
= false;
157 static int mem_prealloc
; /* force preallocation of physical target memory */
158 static ram_addr_t ram_size
;
159 static const char *vga_model
= NULL
;
160 static DisplayOptions dpy
;
161 static int num_serial_hds
;
162 static Chardev
**serial_hds
;
163 static const char *log_mask
;
164 static const char *log_file
;
165 static bool list_data_dirs
;
166 static const char *watchdog
;
167 static const char *qtest_chrdev
;
168 static const char *qtest_log
;
170 static int has_defaults
= 1;
171 static int default_serial
= 1;
172 static int default_parallel
= 1;
173 static int default_monitor
= 1;
174 static int default_floppy
= 1;
175 static int default_cdrom
= 1;
176 static int default_sdcard
= 1;
177 static int default_vga
= 1;
178 static int default_net
= 1;
184 { .driver
= "isa-serial", .flag
= &default_serial
},
185 { .driver
= "isa-parallel", .flag
= &default_parallel
},
186 { .driver
= "isa-fdc", .flag
= &default_floppy
},
187 { .driver
= "floppy", .flag
= &default_floppy
},
188 { .driver
= "ide-cd", .flag
= &default_cdrom
},
189 { .driver
= "ide-hd", .flag
= &default_cdrom
},
190 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
191 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
192 { .driver
= "VGA", .flag
= &default_vga
},
193 { .driver
= "isa-vga", .flag
= &default_vga
},
194 { .driver
= "cirrus-vga", .flag
= &default_vga
},
195 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
196 { .driver
= "vmware-svga", .flag
= &default_vga
},
197 { .driver
= "qxl-vga", .flag
= &default_vga
},
198 { .driver
= "virtio-vga", .flag
= &default_vga
},
199 { .driver
= "ati-vga", .flag
= &default_vga
},
200 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
203 static QemuOptsList qemu_rtc_opts
= {
205 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
210 .type
= QEMU_OPT_STRING
,
213 .type
= QEMU_OPT_STRING
,
216 .type
= QEMU_OPT_STRING
,
218 { /* end of list */ }
222 static QemuOptsList qemu_option_rom_opts
= {
223 .name
= "option-rom",
224 .implied_opt_name
= "romfile",
225 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
229 .type
= QEMU_OPT_NUMBER
,
232 .type
= QEMU_OPT_STRING
,
234 { /* end of list */ }
238 static QemuOptsList qemu_machine_opts
= {
240 .implied_opt_name
= "type",
242 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
245 * no elements => accept any
246 * sanity checking will happen later
247 * when setting machine properties
253 static QemuOptsList qemu_accel_opts
= {
255 .implied_opt_name
= "accel",
256 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
259 * no elements => accept any
260 * sanity checking will happen later
261 * when setting accelerator properties
267 static QemuOptsList qemu_boot_opts
= {
269 .implied_opt_name
= "order",
271 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
275 .type
= QEMU_OPT_STRING
,
278 .type
= QEMU_OPT_STRING
,
281 .type
= QEMU_OPT_BOOL
,
284 .type
= QEMU_OPT_STRING
,
286 .name
= "splash-time",
287 .type
= QEMU_OPT_NUMBER
,
289 .name
= "reboot-timeout",
290 .type
= QEMU_OPT_NUMBER
,
293 .type
= QEMU_OPT_BOOL
,
299 static QemuOptsList qemu_add_fd_opts
= {
301 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
305 .type
= QEMU_OPT_NUMBER
,
306 .help
= "file descriptor of which a duplicate is added to fd set",
309 .type
= QEMU_OPT_NUMBER
,
310 .help
= "ID of the fd set to add fd to",
313 .type
= QEMU_OPT_STRING
,
314 .help
= "free-form string used to describe fd",
316 { /* end of list */ }
320 static QemuOptsList qemu_object_opts
= {
322 .implied_opt_name
= "qom-type",
323 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
329 static QemuOptsList qemu_tpmdev_opts
= {
331 .implied_opt_name
= "type",
332 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
334 /* options are defined in the TPM backends */
335 { /* end of list */ }
339 static QemuOptsList qemu_overcommit_opts
= {
340 .name
= "overcommit",
341 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
345 .type
= QEMU_OPT_BOOL
,
349 .type
= QEMU_OPT_BOOL
,
351 { /* end of list */ }
355 static QemuOptsList qemu_msg_opts
= {
357 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
361 .type
= QEMU_OPT_BOOL
,
364 .name
= "guest-name",
365 .type
= QEMU_OPT_BOOL
,
366 .help
= "Prepends guest name for error messages but only if "
367 "-name guest is set otherwise option is ignored\n",
369 { /* end of list */ }
373 static QemuOptsList qemu_name_opts
= {
375 .implied_opt_name
= "guest",
377 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
381 .type
= QEMU_OPT_STRING
,
382 .help
= "Sets the name of the guest.\n"
383 "This name will be displayed in the SDL window caption.\n"
384 "The name will also be used for the VNC server",
387 .type
= QEMU_OPT_STRING
,
388 .help
= "Sets the name of the QEMU process, as shown in top etc",
390 .name
= "debug-threads",
391 .type
= QEMU_OPT_BOOL
,
392 .help
= "When enabled, name the individual threads; defaults off.\n"
393 "NOTE: The thread names are for debugging and not a\n"
396 { /* End of list */ }
400 static QemuOptsList qemu_mem_opts
= {
402 .implied_opt_name
= "size",
403 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
408 .type
= QEMU_OPT_SIZE
,
412 .type
= QEMU_OPT_NUMBER
,
416 .type
= QEMU_OPT_SIZE
,
418 { /* end of list */ }
422 static QemuOptsList qemu_icount_opts
= {
424 .implied_opt_name
= "shift",
426 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
430 .type
= QEMU_OPT_STRING
,
433 .type
= QEMU_OPT_BOOL
,
436 .type
= QEMU_OPT_BOOL
,
439 .type
= QEMU_OPT_STRING
,
442 .type
= QEMU_OPT_STRING
,
444 .name
= "rrsnapshot",
445 .type
= QEMU_OPT_STRING
,
447 { /* end of list */ }
451 static QemuOptsList qemu_fw_cfg_opts
= {
453 .implied_opt_name
= "name",
454 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
458 .type
= QEMU_OPT_STRING
,
459 .help
= "Sets the fw_cfg name of the blob to be inserted",
462 .type
= QEMU_OPT_STRING
,
463 .help
= "Sets the name of the file from which "
464 "the fw_cfg blob will be loaded",
467 .type
= QEMU_OPT_STRING
,
468 .help
= "Sets content of the blob to be inserted from a string",
471 .type
= QEMU_OPT_STRING
,
472 .help
= "Sets id of the object generating the fw_cfg blob "
475 { /* end of list */ }
479 static QemuOptsList qemu_action_opts
= {
482 .head
= QTAILQ_HEAD_INITIALIZER(qemu_action_opts
.head
),
486 .type
= QEMU_OPT_STRING
,
489 .type
= QEMU_OPT_STRING
,
492 .type
= QEMU_OPT_STRING
,
495 .type
= QEMU_OPT_STRING
,
497 { /* end of list */ }
502 * Get machine options
504 * Returns: machine options (never null).
506 static QemuOpts
*qemu_get_machine_opts(void)
508 return qemu_find_opts_singleton("machine");
511 const char *qemu_get_vm_name(void)
516 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
518 const char *driver
= qemu_opt_get(opts
, "driver");
523 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
524 if (strcmp(default_list
[i
].driver
, driver
) != 0)
526 *(default_list
[i
].flag
) = 0;
531 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
533 const char *proc_name
;
535 if (qemu_opt_get(opts
, "debug-threads")) {
536 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
538 qemu_name
= qemu_opt_get(opts
, "guest");
540 proc_name
= qemu_opt_get(opts
, "process");
542 os_set_proc_name(proc_name
);
548 bool defaults_enabled(void)
554 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
556 int fd
, dupfd
, flags
;
558 const char *fd_opaque
= NULL
;
561 fd
= qemu_opt_get_number(opts
, "fd", -1);
562 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
563 fd_opaque
= qemu_opt_get(opts
, "opaque");
566 error_setg(errp
, "fd option is required and must be non-negative");
570 if (fd
<= STDERR_FILENO
) {
571 error_setg(errp
, "fd cannot be a standard I/O stream");
576 * All fds inherited across exec() necessarily have FD_CLOEXEC
577 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
579 flags
= fcntl(fd
, F_GETFD
);
580 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
581 error_setg(errp
, "fd is not valid or already in use");
586 error_setg(errp
, "set option is required and must be non-negative");
590 #ifdef F_DUPFD_CLOEXEC
591 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
595 qemu_set_cloexec(dupfd
);
599 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
603 /* add the duplicate fd, and optionally the opaque string, to the fd set */
604 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
611 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
615 fd
= qemu_opt_get_number(opts
, "fd", -1);
622 /***********************************************************/
623 /* QEMU Block devices */
625 #define HD_OPTS "media=disk"
626 #define CDROM_OPTS "media=cdrom"
628 #define PFLASH_OPTS ""
632 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
634 BlockInterfaceType
*block_default_type
= opaque
;
636 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
639 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
641 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
642 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
647 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
648 int index
, const char *optstr
)
653 if (!enable
|| drive_get_by_index(type
, index
)) {
657 opts
= drive_add(type
, index
, NULL
, optstr
);
659 drive_enable_snapshot(NULL
, opts
, NULL
);
662 dinfo
= drive_new(opts
, type
, &error_abort
);
663 dinfo
->is_default
= true;
667 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
668 MachineClass
*machine_class
, int snapshot
)
671 * If the currently selected machine wishes to override the
672 * units-per-bus property of its default HBA interface type, do so
675 if (machine_class
->units_per_default_bus
) {
676 override_max_devs(machine_class
->block_default_type
,
677 machine_class
->units_per_default_bus
);
680 /* open the virtual block devices */
681 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
682 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
684 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
685 loc_push_restore(&bdo
->loc
);
686 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
688 qapi_free_BlockdevOptions(bdo
->bdo
);
692 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
695 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
696 &machine_class
->block_default_type
, &error_fatal
)) {
697 /* We printed help */
701 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
703 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
704 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
708 static QemuOptsList qemu_smp_opts
= {
710 .implied_opt_name
= "cpus",
712 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
716 .type
= QEMU_OPT_NUMBER
,
719 .type
= QEMU_OPT_NUMBER
,
722 .type
= QEMU_OPT_NUMBER
,
725 .type
= QEMU_OPT_NUMBER
,
728 .type
= QEMU_OPT_NUMBER
,
731 .type
= QEMU_OPT_NUMBER
,
737 static void realtime_init(void)
740 if (os_mlock() < 0) {
741 error_report("locking memory failed");
748 static void configure_msg(QemuOpts
*opts
)
750 message_with_timestamp
= qemu_opt_get_bool(opts
, "timestamp", false);
751 error_with_guestname
= qemu_opt_get_bool(opts
, "guest-name", false);
755 /***********************************************************/
758 static int usb_device_add(const char *devname
)
760 USBDevice
*dev
= NULL
;
762 if (!machine_usb(current_machine
)) {
766 dev
= usbdevice_create(devname
);
773 static int usb_parse(const char *cmdline
)
776 r
= usb_device_add(cmdline
);
778 error_report("could not add USB device '%s'", cmdline
);
783 /***********************************************************/
784 /* machine registration */
786 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
790 for (el
= machines
; el
; el
= el
->next
) {
791 MachineClass
*mc
= el
->data
;
793 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
801 static MachineClass
*find_default_machine(GSList
*machines
)
804 MachineClass
*default_machineclass
= NULL
;
806 for (el
= machines
; el
; el
= el
->next
) {
807 MachineClass
*mc
= el
->data
;
809 if (mc
->is_default
) {
810 assert(default_machineclass
== NULL
&& "Multiple default machines");
811 default_machineclass
= mc
;
815 return default_machineclass
;
818 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
820 ObjectProperty
*prop
;
821 ObjectPropertyIterator iter
;
823 if (!qemu_opt_has_help_opt(opts
)) {
827 object_property_iter_init(&iter
, OBJECT(machine
));
828 while ((prop
= object_property_iter_next(&iter
))) {
833 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
834 prop
->name
, prop
->type
);
835 if (prop
->description
) {
836 printf(" (%s)\n", prop
->description
);
845 static void version(void)
847 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
848 QEMU_COPYRIGHT
"\n");
851 static void help(int exitcode
)
854 printf("usage: %s [options] [disk_image]\n\n"
855 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
856 error_get_progname());
858 #define QEMU_OPTIONS_GENERATE_HELP
859 #include "qemu-options-wrapper.h"
861 printf("\nDuring emulation, the following keys are useful:\n"
862 "ctrl-alt-f toggle full screen\n"
863 "ctrl-alt-n switch to virtual console 'n'\n"
864 "ctrl-alt toggle mouse and keyboard grab\n"
866 "When using -nographic, press 'ctrl-a h' to get some help.\n"
868 QEMU_HELP_BOTTOM
"\n");
873 #define HAS_ARG 0x0001
875 typedef struct QEMUOption
{
882 static const QEMUOption qemu_options
[] = {
883 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
884 #define QEMU_OPTIONS_GENERATE_OPTIONS
885 #include "qemu-options-wrapper.h"
889 typedef struct VGAInterfaceInfo
{
890 const char *opt_name
; /* option name */
891 const char *name
; /* human-readable name */
892 /* Class names indicating that support is available.
893 * If no class is specified, the interface is always available */
894 const char *class_names
[2];
897 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
900 .name
= "no graphic card",
904 .name
= "standard VGA",
905 .class_names
= { "VGA", "isa-vga" },
908 .opt_name
= "cirrus",
909 .name
= "Cirrus VGA",
910 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
913 .opt_name
= "vmware",
914 .name
= "VMWare SVGA",
915 .class_names
= { "vmware-svga" },
918 .opt_name
= "virtio",
919 .name
= "Virtio VGA",
920 .class_names
= { "virtio-vga" },
925 .class_names
= { "qxl-vga" },
929 .name
= "TCX framebuffer",
930 .class_names
= { "sun-tcx" },
934 .name
= "CG3 framebuffer",
935 .class_names
= { "cgthree" },
939 .name
= "Xen paravirtualized framebuffer",
943 static bool vga_interface_available(VGAInterfaceType t
)
945 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
947 assert(t
< VGA_TYPE_MAX
);
948 return !ti
->class_names
[0] ||
949 module_object_class_by_name(ti
->class_names
[0]) ||
950 module_object_class_by_name(ti
->class_names
[1]);
954 get_default_vga_model(const MachineClass
*machine_class
)
956 if (machine_class
->default_display
) {
957 return machine_class
->default_display
;
958 } else if (vga_interface_available(VGA_CIRRUS
)) {
960 } else if (vga_interface_available(VGA_STD
)) {
967 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
972 if (g_str_equal(p
, "help")) {
973 const char *def
= get_default_vga_model(machine_class
);
975 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
976 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
978 if (vga_interface_available(t
) && ti
->opt_name
) {
979 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
980 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
986 assert(vga_interface_type
== VGA_NONE
);
987 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
988 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
989 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
990 if (!vga_interface_available(t
)) {
991 error_report("%s not available", ti
->name
);
994 vga_interface_type
= t
;
998 if (t
== VGA_TYPE_MAX
) {
1000 error_report("unknown vga type: %s", p
);
1004 const char *nextopt
;
1006 if (strstart(opts
, ",retrace=", &nextopt
)) {
1008 if (strstart(opts
, "dumb", &nextopt
))
1009 vga_retrace_method
= VGA_RETRACE_DUMB
;
1010 else if (strstart(opts
, "precise", &nextopt
))
1011 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1012 else goto invalid_vga
;
1013 } else goto invalid_vga
;
1018 static void parse_display_qapi(const char *optarg
)
1020 DisplayOptions
*opts
;
1023 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
1025 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
1026 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
1028 qapi_free_DisplayOptions(opts
);
1032 DisplayOptions
*qmp_query_display_options(Error
**errp
)
1034 return QAPI_CLONE(DisplayOptions
, &dpy
);
1037 static void parse_display(const char *p
)
1041 if (is_help_option(p
)) {
1042 qemu_display_help();
1046 if (strstart(p
, "sdl", &opts
)) {
1048 * sdl DisplayType needs hand-crafted parser instead of
1049 * parse_display_qapi() due to some options not in
1050 * DisplayOptions, specifically:
1052 * Already deprecated.
1053 * - ctrl_grab + alt_grab
1054 * Not clear yet what happens to them long-term. Should
1055 * replaced by something better or deprecated and dropped.
1057 dpy
.type
= DISPLAY_TYPE_SDL
;
1059 const char *nextopt
;
1061 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1063 if (strstart(opts
, "on", &nextopt
)) {
1065 } else if (strstart(opts
, "off", &nextopt
)) {
1068 goto invalid_sdl_args
;
1070 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1072 if (strstart(opts
, "on", &nextopt
)) {
1074 } else if (strstart(opts
, "off", &nextopt
)) {
1077 goto invalid_sdl_args
;
1079 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1081 dpy
.has_window_close
= true;
1082 if (strstart(opts
, "on", &nextopt
)) {
1083 dpy
.window_close
= true;
1084 } else if (strstart(opts
, "off", &nextopt
)) {
1085 dpy
.window_close
= false;
1087 goto invalid_sdl_args
;
1089 } else if (strstart(opts
, ",show-cursor=", &nextopt
)) {
1091 dpy
.has_show_cursor
= true;
1092 if (strstart(opts
, "on", &nextopt
)) {
1093 dpy
.show_cursor
= true;
1094 } else if (strstart(opts
, "off", &nextopt
)) {
1095 dpy
.show_cursor
= false;
1097 goto invalid_sdl_args
;
1099 } else if (strstart(opts
, ",gl=", &nextopt
)) {
1102 if (strstart(opts
, "on", &nextopt
)) {
1103 dpy
.gl
= DISPLAYGL_MODE_ON
;
1104 } else if (strstart(opts
, "core", &nextopt
)) {
1105 dpy
.gl
= DISPLAYGL_MODE_CORE
;
1106 } else if (strstart(opts
, "es", &nextopt
)) {
1107 dpy
.gl
= DISPLAYGL_MODE_ES
;
1108 } else if (strstart(opts
, "off", &nextopt
)) {
1109 dpy
.gl
= DISPLAYGL_MODE_OFF
;
1111 goto invalid_sdl_args
;
1115 error_report("invalid SDL option string");
1120 } else if (strstart(p
, "vnc", &opts
)) {
1122 * vnc isn't a (local) DisplayType but a protocol for remote
1126 vnc_parse(opts
+ 1);
1128 error_report("VNC requires a display argument vnc=<display>");
1132 parse_display_qapi(p
);
1136 static inline bool nonempty_str(const char *str
)
1141 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1145 const char *name
, *file
, *str
, *gen_id
;
1146 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
1148 if (fw_cfg
== NULL
) {
1149 error_setg(errp
, "fw_cfg device not available");
1152 name
= qemu_opt_get(opts
, "name");
1153 file
= qemu_opt_get(opts
, "file");
1154 str
= qemu_opt_get(opts
, "string");
1155 gen_id
= qemu_opt_get(opts
, "gen_id");
1157 /* we need the name, and exactly one of: file, content string, gen_id */
1158 if (!nonempty_str(name
) ||
1159 nonempty_str(file
) + nonempty_str(str
) + nonempty_str(gen_id
) != 1) {
1160 error_setg(errp
, "name, plus exactly one of file,"
1161 " string and gen_id, are needed");
1164 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
1165 error_setg(errp
, "name too long (max. %d char)",
1166 FW_CFG_MAX_FILE_PATH
- 1);
1169 if (nonempty_str(gen_id
)) {
1171 * In this particular case where the content is populated
1172 * internally, the "etc/" namespace protection is relaxed,
1173 * so do not emit a warning.
1175 } else if (strncmp(name
, "opt/", 4) != 0) {
1176 warn_report("externally provided fw_cfg item names "
1177 "should be prefixed with \"opt/\"");
1179 if (nonempty_str(str
)) {
1180 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
1181 buf
= g_memdup(str
, size
);
1182 } else if (nonempty_str(gen_id
)) {
1183 if (!fw_cfg_add_from_generator(fw_cfg
, name
, gen_id
, errp
)) {
1189 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
1190 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
1195 /* For legacy, keep user files in a specific global order. */
1196 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
1197 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
1198 fw_cfg_reset_order_override(fw_cfg
);
1202 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1204 return qdev_device_help(opts
);
1207 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1211 dev
= qdev_device_add(opts
, errp
);
1212 if (!dev
&& *errp
) {
1213 error_report_err(*errp
);
1216 object_unref(OBJECT(dev
));
1221 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1223 Error
*local_err
= NULL
;
1225 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
1227 error_propagate(errp
, local_err
);
1235 #ifdef CONFIG_VIRTFS
1236 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1238 return qemu_fsdev_add(opts
, errp
);
1242 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1244 return monitor_init_opts(opts
, errp
);
1247 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
1249 static int monitor_device_index
= 0;
1254 if (strstart(optarg
, "chardev:", &p
)) {
1255 snprintf(label
, sizeof(label
), "%s", p
);
1257 snprintf(label
, sizeof(label
), "compat_monitor%d",
1258 monitor_device_index
);
1259 opts
= qemu_chr_parse_compat(label
, optarg
, true);
1261 error_report("parse error: %s", optarg
);
1266 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
1267 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
1268 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
1269 if (!strcmp(mode
, "control")) {
1270 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
1272 assert(pretty
== false);
1274 monitor_device_index
++;
1277 struct device_config
{
1279 DEV_USB
, /* -usbdevice */
1280 DEV_SERIAL
, /* -serial */
1281 DEV_PARALLEL
, /* -parallel */
1282 DEV_DEBUGCON
, /* -debugcon */
1283 DEV_GDB
, /* -gdb, -s */
1284 DEV_SCLP
, /* s390 sclp */
1286 const char *cmdline
;
1288 QTAILQ_ENTRY(device_config
) next
;
1291 static QTAILQ_HEAD(, device_config
) device_configs
=
1292 QTAILQ_HEAD_INITIALIZER(device_configs
);
1294 static void add_device_config(int type
, const char *cmdline
)
1296 struct device_config
*conf
;
1298 conf
= g_malloc0(sizeof(*conf
));
1300 conf
->cmdline
= cmdline
;
1301 loc_save(&conf
->loc
);
1302 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1305 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1307 struct device_config
*conf
;
1310 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1311 if (conf
->type
!= type
)
1313 loc_push_restore(&conf
->loc
);
1314 rc
= func(conf
->cmdline
);
1315 loc_pop(&conf
->loc
);
1323 static void qemu_disable_default_devices(void)
1325 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1327 qemu_opts_foreach(qemu_find_opts("device"),
1328 default_driver_check
, NULL
, NULL
);
1329 qemu_opts_foreach(qemu_find_opts("global"),
1330 default_driver_check
, NULL
, NULL
);
1332 if (!vga_model
&& !default_vga
) {
1333 vga_interface_type
= VGA_DEVICE
;
1335 if (!has_defaults
|| machine_class
->no_serial
) {
1338 if (!has_defaults
|| machine_class
->no_parallel
) {
1339 default_parallel
= 0;
1341 if (!has_defaults
|| machine_class
->no_floppy
) {
1344 if (!has_defaults
|| machine_class
->no_cdrom
) {
1347 if (!has_defaults
|| machine_class
->no_sdcard
) {
1350 if (!has_defaults
) {
1351 default_monitor
= 0;
1357 static void qemu_create_default_devices(void)
1359 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1361 if (is_daemonized()) {
1362 /* According to documentation and historically, -nographic redirects
1363 * serial port, parallel port and monitor to stdio, which does not work
1364 * with -daemonize. We can redirect these to null instead, but since
1365 * -nographic is legacy, let's just error out.
1366 * We disallow -nographic only if all other ports are not redirected
1367 * explicitly, to not break existing legacy setups which uses
1368 * -nographic _and_ redirects all ports explicitly - this is valid
1369 * usage, -nographic is just a no-op in this case.
1372 && (default_parallel
|| default_serial
|| default_monitor
)) {
1373 error_report("-nographic cannot be used with -daemonize");
1379 if (default_parallel
)
1380 add_device_config(DEV_PARALLEL
, "null");
1381 if (default_serial
&& default_monitor
) {
1382 add_device_config(DEV_SERIAL
, "mon:stdio");
1385 add_device_config(DEV_SERIAL
, "stdio");
1386 if (default_monitor
)
1387 monitor_parse("stdio", "readline", false);
1391 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
1392 if (default_parallel
)
1393 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
1394 if (default_monitor
)
1395 monitor_parse("vc:80Cx24C", "readline", false);
1399 QemuOptsList
*net
= qemu_find_opts("net");
1400 qemu_opts_parse(net
, "nic", true, &error_abort
);
1402 qemu_opts_parse(net
, "user", true, &error_abort
);
1406 #if defined(CONFIG_VNC)
1407 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
1411 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
1412 if (!qemu_display_find_default(&dpy
)) {
1413 dpy
.type
= DISPLAY_TYPE_NONE
;
1414 #if defined(CONFIG_VNC)
1415 vnc_parse("localhost:0,to=99,id=default");
1419 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
1420 dpy
.type
= DISPLAY_TYPE_NONE
;
1423 /* If no default VGA is requested, the default is "none". */
1425 vga_model
= get_default_vga_model(machine_class
);
1428 select_vgahw(machine_class
, vga_model
);
1432 static int serial_parse(const char *devname
)
1434 int index
= num_serial_hds
;
1437 if (strcmp(devname
, "none") == 0)
1439 snprintf(label
, sizeof(label
), "serial%d", index
);
1440 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
1442 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
1443 if (!serial_hds
[index
]) {
1444 error_report("could not connect serial device"
1445 " to character backend '%s'", devname
);
1452 Chardev
*serial_hd(int i
)
1455 if (i
< num_serial_hds
) {
1456 return serial_hds
[i
];
1461 static int parallel_parse(const char *devname
)
1463 static int index
= 0;
1466 if (strcmp(devname
, "none") == 0)
1468 if (index
== MAX_PARALLEL_PORTS
) {
1469 error_report("too many parallel ports");
1472 snprintf(label
, sizeof(label
), "parallel%d", index
);
1473 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
1474 if (!parallel_hds
[index
]) {
1475 error_report("could not connect parallel device"
1476 " to character backend '%s'", devname
);
1483 static int debugcon_parse(const char *devname
)
1487 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
1488 error_report("invalid character backend '%s'", devname
);
1491 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
1493 error_report("already have a debugcon device");
1496 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
1497 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
1501 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
1503 const MachineClass
*mc1
= a
, *mc2
= b
;
1506 if (mc1
->family
== NULL
) {
1507 if (mc2
->family
== NULL
) {
1508 /* Compare standalone machine types against each other; they sort
1509 * in increasing order.
1511 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
1512 object_class_get_name(OBJECT_CLASS(mc2
)));
1515 /* Standalone machine types sort after families. */
1519 if (mc2
->family
== NULL
) {
1520 /* Families sort before standalone machine types. */
1524 /* Families sort between each other alphabetically increasingly. */
1525 res
= strcmp(mc1
->family
, mc2
->family
);
1530 /* Within the same family, machine types sort in decreasing order. */
1531 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
1532 object_class_get_name(OBJECT_CLASS(mc1
)));
1535 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
1540 if (is_help_option(name
)) {
1541 printf("Supported machines are:\n");
1542 machines
= g_slist_sort(machines
, machine_class_cmp
);
1543 for (el
= machines
; el
; el
= el
->next
) {
1544 MachineClass
*mc
= el
->data
;
1546 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
1548 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
1549 mc
->is_default
? " (default)" : "",
1550 mc
->deprecation_reason
? " (deprecated)" : "");
1555 mc
= find_machine(name
, machines
);
1557 error_report("unsupported machine type");
1558 error_printf("Use -machine help to list supported machines\n");
1564 static const char *pid_file
;
1565 static Notifier qemu_unlink_pidfile_notifier
;
1567 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
1574 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
1575 const char **poptarg
, int *poptind
)
1577 const QEMUOption
*popt
;
1578 int optind
= *poptind
;
1579 char *r
= argv
[optind
];
1582 loc_set_cmdline(argv
, optind
, 1);
1584 /* Treat --foo the same as -foo. */
1587 popt
= qemu_options
;
1590 error_report("invalid option");
1593 if (!strcmp(popt
->name
, r
+ 1))
1597 if (popt
->flags
& HAS_ARG
) {
1598 if (optind
>= argc
) {
1599 error_report("requires an argument");
1602 optarg
= argv
[optind
++];
1603 loc_set_cmdline(argv
, optind
- 2, 2);
1614 static MachineClass
*select_machine(void)
1616 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
1617 MachineClass
*machine_class
= find_default_machine(machines
);
1622 loc_push_none(&loc
);
1624 opts
= qemu_get_machine_opts();
1625 qemu_opts_loc_restore(opts
);
1627 optarg
= qemu_opt_get(opts
, "type");
1629 machine_class
= machine_parse(optarg
, machines
);
1632 if (!machine_class
) {
1633 error_report("No machine specified, and there is no default");
1634 error_printf("Use -machine help to list supported machines\n");
1639 g_slist_free(machines
);
1640 return machine_class
;
1643 static int object_parse_property_opt(Object
*obj
,
1644 const char *name
, const char *value
,
1645 const char *skip
, Error
**errp
)
1647 if (g_str_equal(name
, skip
)) {
1651 if (!object_property_parse(obj
, name
, value
, errp
)) {
1658 static int machine_set_property(void *opaque
,
1659 const char *name
, const char *value
,
1662 g_autofree
char *qom_name
= g_strdup(name
);
1665 for (p
= qom_name
; *p
; p
++) {
1671 /* Legacy options do not correspond to MachineState properties. */
1672 if (g_str_equal(qom_name
, "accel")) {
1675 if (g_str_equal(qom_name
, "igd-passthru")) {
1676 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name
, value
,
1680 if (g_str_equal(qom_name
, "kvm-shadow-mem")) {
1681 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name
, value
,
1685 if (g_str_equal(qom_name
, "kernel-irqchip")) {
1686 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name
, value
,
1688 object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), qom_name
, value
,
1693 return object_parse_property_opt(opaque
, name
, value
, "type", errp
);
1696 static void object_option_foreach_add(bool (*type_opt_predicate
)(const char *))
1698 ObjectOption
*opt
, *next
;
1700 QTAILQ_FOREACH_SAFE(opt
, &object_opts
, next
, next
) {
1701 const char *type
= ObjectType_str(opt
->opts
->qom_type
);
1702 if (type_opt_predicate(type
)) {
1703 user_creatable_add_qapi(opt
->opts
, &error_fatal
);
1704 qapi_free_ObjectOptions(opt
->opts
);
1705 QTAILQ_REMOVE(&object_opts
, opt
, next
);
1711 static void object_option_parse(const char *optarg
)
1718 if (optarg
[0] == '{') {
1719 QObject
*obj
= qobject_from_json(optarg
, &error_fatal
);
1721 v
= qobject_input_visitor_new(obj
);
1724 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
1730 type
= qemu_opt_get(opts
, "qom-type");
1732 error_setg(&error_fatal
, QERR_MISSING_PARAMETER
, "qom-type");
1734 if (user_creatable_print_help(type
, opts
)) {
1738 v
= opts_visitor_new(opts
);
1741 opt
= g_new0(ObjectOption
, 1);
1742 visit_type_ObjectOptions(v
, NULL
, &opt
->opts
, &error_fatal
);
1745 QTAILQ_INSERT_TAIL(&object_opts
, opt
, next
);
1749 * Initial object creation happens before all other
1750 * QEMU data types are created. The majority of objects
1751 * can be created at this point. The rng-egd object
1752 * cannot be created here, as it depends on the chardev
1755 static bool object_create_early(const char *type
)
1758 * Objects should not be made "delayed" without a reason. If you
1759 * add one, state the reason in a comment!
1762 /* Reason: rng-egd property "chardev" */
1763 if (g_str_equal(type
, "rng-egd")) {
1767 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
1768 /* Reason: cryptodev-vhost-user property "chardev" */
1769 if (g_str_equal(type
, "cryptodev-vhost-user")) {
1774 /* Reason: vhost-user-blk-server property "node-name" */
1775 if (g_str_equal(type
, "vhost-user-blk-server")) {
1779 * Reason: filter-* property "netdev" etc.
1781 if (g_str_equal(type
, "filter-buffer") ||
1782 g_str_equal(type
, "filter-dump") ||
1783 g_str_equal(type
, "filter-mirror") ||
1784 g_str_equal(type
, "filter-redirector") ||
1785 g_str_equal(type
, "colo-compare") ||
1786 g_str_equal(type
, "filter-rewriter") ||
1787 g_str_equal(type
, "filter-replay")) {
1792 * Allocation of large amounts of memory may delay
1793 * chardev initialization for too long, and trigger timeouts
1794 * on software that waits for a monitor socket to be created
1797 if (g_str_has_prefix(type
, "memory-backend-")) {
1804 static void qemu_apply_machine_options(void)
1806 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1807 QemuOpts
*machine_opts
= qemu_get_machine_opts();
1808 const char *boot_order
= NULL
;
1809 const char *boot_once
= NULL
;
1812 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
1814 current_machine
->ram_size
= ram_size
;
1815 current_machine
->maxram_size
= maxram_size
;
1816 current_machine
->ram_slots
= ram_slots
;
1818 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
1820 boot_order
= qemu_opt_get(opts
, "order");
1822 validate_bootdevices(boot_order
, &error_fatal
);
1825 boot_once
= qemu_opt_get(opts
, "once");
1827 validate_bootdevices(boot_once
, &error_fatal
);
1830 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
1831 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
1835 boot_order
= machine_class
->default_boot_order
;
1838 current_machine
->boot_order
= boot_order
;
1839 current_machine
->boot_once
= boot_once
;
1841 if (semihosting_enabled() && !semihosting_get_argc()) {
1842 const char *kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
1843 const char *kernel_cmdline
= qemu_opt_get(machine_opts
, "append") ?: "";
1844 /* fall back to the -kernel/-append */
1845 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
1849 static void qemu_create_early_backends(void)
1851 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
1853 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
1854 error_report("-alt-grab and -ctrl-grab are only valid "
1855 "for SDL, ignoring option");
1857 if (dpy
.has_window_close
&&
1858 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
1859 error_report("-no-quit is only valid for GTK and SDL, "
1863 qemu_display_early_init(&dpy
);
1864 qemu_console_early_init();
1866 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
1867 #if defined(CONFIG_OPENGL)
1868 error_report("OpenGL is not supported by the display");
1870 error_report("OpenGL support is disabled");
1875 object_option_foreach_add(object_create_early
);
1877 /* spice needs the timers to be initialized by this point */
1878 /* spice must initialize before audio as it changes the default auiodev */
1879 /* spice must initialize before chardevs (for spicevmc and spiceport) */
1882 qemu_opts_foreach(qemu_find_opts("chardev"),
1883 chardev_init_func
, NULL
, &error_fatal
);
1885 #ifdef CONFIG_VIRTFS
1886 qemu_opts_foreach(qemu_find_opts("fsdev"),
1887 fsdev_init_func
, NULL
, &error_fatal
);
1891 * Note: we need to create audio and block backends before
1892 * machine_set_property(), so machine properties can refer to
1895 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
1896 audio_init_audiodevs();
1901 * The remainder of object creation happens after the
1902 * creation of chardev, fsdev, net clients and device data types.
1904 static bool object_create_late(const char *type
)
1906 return !object_create_early(type
);
1909 static void qemu_create_late_backends(void)
1912 qtest_server_init(qtest_chrdev
, qtest_log
, &error_fatal
);
1915 net_init_clients(&error_fatal
);
1917 object_option_foreach_add(object_create_late
);
1919 if (tpm_init() < 0) {
1923 qemu_opts_foreach(qemu_find_opts("mon"),
1924 mon_init_func
, NULL
, &error_fatal
);
1926 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
1928 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
1930 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
1933 /* now chardevs have been created we may have semihosting to connect */
1934 qemu_semihosting_connect_chardevs();
1935 qemu_semihosting_console_init();
1938 static bool have_custom_ram_size(void)
1940 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
1941 return !!qemu_opt_get_size(opts
, "size", 0);
1944 static void qemu_resolve_machine_memdev(void)
1946 if (current_machine
->ram_memdev_id
) {
1948 ram_addr_t backend_size
;
1950 backend
= object_resolve_path_type(current_machine
->ram_memdev_id
,
1951 TYPE_MEMORY_BACKEND
, NULL
);
1953 error_report("Memory backend '%s' not found",
1954 current_machine
->ram_memdev_id
);
1957 backend_size
= object_property_get_uint(backend
, "size", &error_abort
);
1958 if (have_custom_ram_size() && backend_size
!= ram_size
) {
1959 error_report("Size specified by -m option must match size of "
1960 "explicitly specified 'memory-backend' property");
1964 error_report("'-mem-path' can't be used together with"
1965 "'-machine memory-backend'");
1968 ram_size
= backend_size
;
1971 if (!xen_enabled()) {
1972 /* On 32-bit hosts, QEMU is limited by virtual address space */
1973 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
1974 error_report("at most 2047 MB RAM can be simulated");
1980 static void set_memory_options(MachineClass
*mc
)
1983 const char *mem_str
;
1984 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
1985 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
1988 loc_push_none(&loc
);
1989 qemu_opts_loc_restore(opts
);
1992 mem_str
= qemu_opt_get(opts
, "size");
1995 error_report("missing 'size' option value");
1999 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2001 /* Fix up legacy suffix-less format */
2002 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2003 uint64_t overflow_check
= sz
;
2006 if (sz
/ MiB
!= overflow_check
) {
2007 error_report("too large 'size' option value");
2013 /* backward compatibility behaviour for case "-m 0" */
2015 sz
= default_ram_size
;
2018 sz
= QEMU_ALIGN_UP(sz
, 8192);
2019 if (mc
->fixup_ram_size
) {
2020 sz
= mc
->fixup_ram_size(sz
);
2023 if (ram_size
!= sz
) {
2024 error_report("ram size too large");
2028 /* store value for the future use */
2029 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2030 maxram_size
= ram_size
;
2032 if (qemu_opt_get(opts
, "maxmem")) {
2035 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2036 slots
= qemu_opt_get_number(opts
, "slots", 0);
2037 if (sz
< ram_size
) {
2038 error_report("invalid value of -m option maxmem: "
2039 "maximum memory size (0x%" PRIx64
") must be at least "
2040 "the initial memory size (0x" RAM_ADDR_FMT
")",
2043 } else if (slots
&& sz
== ram_size
) {
2044 error_report("invalid value of -m option maxmem: "
2045 "memory slots were specified but maximum memory size "
2046 "(0x%" PRIx64
") is equal to the initial memory size "
2047 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2053 } else if (qemu_opt_get(opts
, "slots")) {
2054 error_report("invalid -m option value: missing 'maxmem' option");
2061 static void qemu_create_machine(MachineClass
*machine_class
)
2063 object_set_machine_compat_props(machine_class
->compat_props
);
2065 set_memory_options(machine_class
);
2067 current_machine
= MACHINE(object_new_with_class(OBJECT_CLASS(machine_class
)));
2068 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
2071 object_property_add_child(object_get_root(), "machine",
2072 OBJECT(current_machine
));
2073 object_property_add_child(container_get(OBJECT(current_machine
),
2075 "sysbus", OBJECT(sysbus_get_default()));
2077 if (machine_class
->minimum_page_bits
) {
2078 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
2079 /* This would be a board error: specifying a minimum smaller than
2080 * a target's compile-time fixed setting.
2082 g_assert_not_reached();
2086 cpu_exec_init_all();
2089 if (machine_class
->hw_version
) {
2090 qemu_set_hw_version(machine_class
->hw_version
);
2093 machine_smp_parse(current_machine
,
2094 qemu_opts_find(qemu_find_opts("smp-opts"), NULL
), &error_fatal
);
2097 * Get the default machine options from the machine if it is not already
2098 * specified either by the configuration file or by the command line.
2100 if (machine_class
->default_machine_opts
) {
2101 qemu_opts_set_defaults(qemu_find_opts("machine"),
2102 machine_class
->default_machine_opts
, 0);
2106 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2110 g
= g_malloc0(sizeof(*g
));
2111 g
->driver
= qemu_opt_get(opts
, "driver");
2112 g
->property
= qemu_opt_get(opts
, "property");
2113 g
->value
= qemu_opt_get(opts
, "value");
2114 qdev_prop_register_global(g
);
2118 static void qemu_read_default_config_file(Error
**errp
)
2122 g_autofree
char *file
= get_relocated_path(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2124 ret
= qemu_read_config_file(file
, errp
);
2126 if (ret
== -ENOENT
) {
2133 static int qemu_set_option(const char *str
)
2135 Error
*local_err
= NULL
;
2136 char group
[64], id
[64], arg
[64];
2141 rc
= sscanf(str
, "%63[^.].%63[^.].%63[^=]%n", group
, id
, arg
, &offset
);
2142 if (rc
< 3 || str
[offset
] != '=') {
2143 error_report("can't parse: \"%s\"", str
);
2147 list
= qemu_find_opts(group
);
2152 opts
= qemu_opts_find(list
, id
);
2154 error_report("there is no %s \"%s\" defined",
2159 if (!qemu_opt_set(opts
, arg
, str
+ offset
+ 1, &local_err
)) {
2160 error_report_err(local_err
);
2166 static void user_register_global_props(void)
2168 qemu_opts_foreach(qemu_find_opts("global"),
2169 global_init_func
, NULL
, NULL
);
2172 static int do_configure_icount(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2174 icount_configure(opts
, errp
);
2178 static int accelerator_set_property(void *opaque
,
2179 const char *name
, const char *value
,
2182 return object_parse_property_opt(opaque
, name
, value
, "accel", errp
);
2185 static int do_configure_accelerator(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2187 bool *p_init_failed
= opaque
;
2188 const char *acc
= qemu_opt_get(opts
, "accel");
2189 AccelClass
*ac
= accel_find(acc
);
2192 bool qtest_with_kvm
;
2194 qtest_with_kvm
= g_str_equal(acc
, "kvm") && qtest_chrdev
!= NULL
;
2197 *p_init_failed
= true;
2198 if (!qtest_with_kvm
) {
2199 error_report("invalid accelerator %s", acc
);
2203 accel
= ACCEL(object_new_with_class(OBJECT_CLASS(ac
)));
2204 object_apply_compat_props(OBJECT(accel
));
2205 qemu_opt_foreach(opts
, accelerator_set_property
,
2209 ret
= accel_init_machine(accel
, current_machine
);
2211 *p_init_failed
= true;
2212 if (!qtest_with_kvm
|| ret
!= -ENOENT
) {
2213 error_report("failed to initialize %s: %s", acc
, strerror(-ret
));
2221 static void configure_accelerators(const char *progname
)
2223 const char *accelerators
;
2224 bool init_failed
= false;
2226 qemu_opts_foreach(qemu_find_opts("icount"),
2227 do_configure_icount
, NULL
, &error_fatal
);
2229 accelerators
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2230 if (QTAILQ_EMPTY(&qemu_accel_opts
.head
)) {
2231 char **accel_list
, **tmp
;
2233 if (accelerators
== NULL
) {
2234 /* Select the default accelerator */
2235 bool have_tcg
= accel_find("tcg");
2236 bool have_kvm
= accel_find("kvm");
2238 if (have_tcg
&& have_kvm
) {
2239 if (g_str_has_suffix(progname
, "kvm")) {
2240 /* If the program name ends with "kvm", we prefer KVM */
2241 accelerators
= "kvm:tcg";
2243 accelerators
= "tcg:kvm";
2245 } else if (have_kvm
) {
2246 accelerators
= "kvm";
2247 } else if (have_tcg
) {
2248 accelerators
= "tcg";
2250 error_report("No accelerator selected and"
2251 " no default accelerator available");
2255 accel_list
= g_strsplit(accelerators
, ":", 0);
2257 for (tmp
= accel_list
; *tmp
; tmp
++) {
2259 * Filter invalid accelerators here, to prevent obscenities
2260 * such as "-machine accel=tcg,,thread=single".
2262 if (accel_find(*tmp
)) {
2263 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp
, true);
2266 error_report("invalid accelerator %s", *tmp
);
2269 g_strfreev(accel_list
);
2271 if (accelerators
!= NULL
) {
2272 error_report("The -accel and \"-machine accel=\" options are incompatible");
2277 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2278 do_configure_accelerator
, &init_failed
, &error_fatal
)) {
2280 error_report("no accelerator found");
2285 if (init_failed
&& !qtest_chrdev
) {
2286 AccelClass
*ac
= ACCEL_GET_CLASS(current_accel());
2287 error_report("falling back to %s", ac
->name
);
2290 if (icount_enabled() && !tcg_enabled()) {
2291 error_report("-icount is not allowed with hardware virtualization");
2296 static void create_default_memdev(MachineState
*ms
, const char *path
)
2299 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
2301 obj
= object_new(path
? TYPE_MEMORY_BACKEND_FILE
: TYPE_MEMORY_BACKEND_RAM
);
2303 object_property_set_str(obj
, "mem-path", path
, &error_fatal
);
2305 object_property_set_int(obj
, "size", ms
->ram_size
, &error_fatal
);
2306 object_property_add_child(object_get_objects_root(), mc
->default_ram_id
,
2308 /* Ensure backend's memory region name is equal to mc->default_ram_id */
2309 object_property_set_bool(obj
, "x-use-canonical-path-for-ramblock-id",
2310 false, &error_fatal
);
2311 user_creatable_complete(USER_CREATABLE(obj
), &error_fatal
);
2313 object_property_set_str(OBJECT(ms
), "memory-backend", mc
->default_ram_id
,
2317 static void qemu_validate_options(void)
2319 QemuOpts
*machine_opts
= qemu_get_machine_opts();
2320 const char *kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
2321 const char *initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
2322 const char *kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
2324 if (kernel_filename
== NULL
) {
2325 if (kernel_cmdline
!= NULL
) {
2326 error_report("-append only allowed with -kernel option");
2330 if (initrd_filename
!= NULL
) {
2331 error_report("-initrd only allowed with -kernel option");
2336 if (loadvm
&& preconfig_requested
) {
2337 error_report("'preconfig' and 'loadvm' options are "
2338 "mutually exclusive");
2341 if (incoming
&& preconfig_requested
&& strcmp(incoming
, "defer") != 0) {
2342 error_report("'preconfig' supports '-incoming defer' only");
2346 #ifdef CONFIG_CURSES
2347 if (is_daemonized() && dpy
.type
== DISPLAY_TYPE_CURSES
) {
2348 error_report("curses display cannot be used with -daemonize");
2354 static void qemu_process_sugar_options(void)
2359 val
= g_strdup_printf("%d",
2360 (uint32_t) qemu_opt_get_number(qemu_find_opts_singleton("smp-opts"), "cpus", 1));
2361 object_register_sugar_prop("memory-backend", "prealloc-threads", val
,
2364 object_register_sugar_prop("memory-backend", "prealloc", "on", false);
2368 int i
= select_watchdog(watchdog
);
2370 exit (i
== 1 ? 1 : 0);
2374 /* -action processing */
2377 * Process all the -action parameters parsed from cmdline.
2379 static int process_runstate_actions(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2381 Error
*local_err
= NULL
;
2382 QDict
*qdict
= qemu_opts_to_qdict(opts
, NULL
);
2383 QObject
*ret
= NULL
;
2384 qmp_marshal_set_action(qdict
, &ret
, &local_err
);
2386 qobject_unref(qdict
);
2388 error_propagate(errp
, local_err
);
2394 static void qemu_process_early_options(void)
2396 #ifdef CONFIG_SECCOMP
2397 QemuOptsList
*olist
= qemu_find_opts_err("sandbox", NULL
);
2399 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
2403 qemu_opts_foreach(qemu_find_opts("name"),
2404 parse_name
, NULL
, &error_fatal
);
2406 if (qemu_opts_foreach(qemu_find_opts("action"),
2407 process_runstate_actions
, NULL
, &error_fatal
)) {
2412 qemu_opts_foreach(qemu_find_opts("add-fd"),
2413 parse_add_fd
, NULL
, &error_fatal
);
2415 qemu_opts_foreach(qemu_find_opts("add-fd"),
2416 cleanup_add_fd
, NULL
, &error_fatal
);
2419 /* Open the logfile at this point and set the log mask if necessary. */
2421 qemu_set_log_filename(log_file
, &error_fatal
);
2425 mask
= qemu_str_to_log_mask(log_mask
);
2427 qemu_print_log_usage(stdout
);
2435 qemu_add_default_firmwarepath();
2438 static void qemu_process_help_options(void)
2441 * Check for -cpu help and -device help before we call select_machine(),
2442 * which will return an error if the architecture has no default machine
2443 * type and the user did not specify one, so that the user doesn't need
2444 * to say '-cpu help -machine something'.
2446 if (cpu_option
&& is_help_option(cpu_option
)) {
2447 list_cpus(cpu_option
);
2451 if (qemu_opts_foreach(qemu_find_opts("device"),
2452 device_help_func
, NULL
, NULL
)) {
2456 /* -L help lists the data directories and exits. */
2457 if (list_data_dirs
) {
2458 qemu_list_data_dirs();
2463 static void qemu_maybe_daemonize(const char *pid_file
)
2468 rcu_disable_atfork();
2470 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
2471 error_reportf_err(err
, "cannot create PID file: ");
2475 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
2476 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
2479 static void qemu_init_displays(void)
2483 /* init local displays */
2484 ds
= init_displaystate();
2485 qemu_display_init(ds
, &dpy
);
2487 /* must be after terminal init, SDL library changes signal handlers */
2488 os_setup_signal_handling();
2490 /* init remote displays */
2492 qemu_opts_foreach(qemu_find_opts("vnc"),
2493 vnc_init_func
, NULL
, &error_fatal
);
2497 qemu_spice
.display_init();
2501 static void qemu_init_board(void)
2503 MachineClass
*machine_class
= MACHINE_GET_CLASS(current_machine
);
2505 if (machine_class
->default_ram_id
&& current_machine
->ram_size
&&
2506 numa_uses_legacy_mem() && !current_machine
->ram_memdev_id
) {
2507 create_default_memdev(current_machine
, mem_path
);
2510 /* process plugin before CPUs are created, but once -smp has been parsed */
2511 qemu_plugin_load_list(&plugin_list
, &error_fatal
);
2513 /* From here on we enter MACHINE_PHASE_INITIALIZED. */
2514 machine_run_board_init(current_machine
);
2516 drive_check_orphaned();
2520 if (hax_enabled()) {
2521 /* FIXME: why isn't cpu_synchronize_all_post_init enough? */
2526 static void qemu_create_cli_devices(void)
2530 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
2531 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
2533 /* init USB devices */
2534 if (machine_usb(current_machine
)) {
2535 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
2539 /* init generic devices */
2540 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
2541 qemu_opts_foreach(qemu_find_opts("device"),
2542 device_init_func
, NULL
, &error_fatal
);
2543 rom_reset_order_override();
2546 static void qemu_machine_creation_done(void)
2548 MachineState
*machine
= MACHINE(qdev_get_machine());
2550 /* Did we create any drives that we failed to create a device for? */
2551 drive_check_orphaned();
2553 /* Don't warn about the default network setup that you get if
2554 * no command line -net or -netdev options are specified. There
2555 * are two cases that we would otherwise complain about:
2556 * (1) board doesn't support a NIC but the implicit "-net nic"
2558 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
2559 * sets up a nic that isn't connected to anything.
2561 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
2562 net_check_clients();
2565 qdev_prop_check_globals();
2567 qdev_machine_creation_done();
2571 * Verify that Confidential Guest Support has actually been initialized
2573 assert(machine
->cgs
->ready
);
2576 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
2581 void qmp_x_exit_preconfig(Error
**errp
)
2583 if (phase_check(PHASE_MACHINE_INITIALIZED
)) {
2584 error_setg(errp
, "The command is permitted only before machine initialization");
2589 qemu_create_cli_devices();
2590 qemu_machine_creation_done();
2593 Error
*local_err
= NULL
;
2594 if (!load_snapshot(loadvm
, NULL
, false, NULL
, &local_err
)) {
2595 error_report_err(local_err
);
2600 if (replay_mode
!= REPLAY_MODE_NONE
) {
2601 replay_vmstate_init();
2605 Error
*local_err
= NULL
;
2606 if (strcmp(incoming
, "defer") != 0) {
2607 qmp_migrate_incoming(incoming
, &local_err
);
2609 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
2613 } else if (autostart
) {
2618 void qemu_init(int argc
, char **argv
, char **envp
)
2621 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2622 QemuOptsList
*olist
;
2625 MachineClass
*machine_class
;
2626 bool userconfig
= true;
2627 FILE *vmstate_dump_file
= NULL
;
2629 qemu_add_opts(&qemu_drive_opts
);
2630 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2631 qemu_add_drive_opts(&qemu_common_drive_opts
);
2632 qemu_add_drive_opts(&qemu_drive_opts
);
2633 qemu_add_drive_opts(&bdrv_runtime_opts
);
2634 qemu_add_opts(&qemu_chardev_opts
);
2635 qemu_add_opts(&qemu_device_opts
);
2636 qemu_add_opts(&qemu_netdev_opts
);
2637 qemu_add_opts(&qemu_nic_opts
);
2638 qemu_add_opts(&qemu_net_opts
);
2639 qemu_add_opts(&qemu_rtc_opts
);
2640 qemu_add_opts(&qemu_global_opts
);
2641 qemu_add_opts(&qemu_mon_opts
);
2642 qemu_add_opts(&qemu_trace_opts
);
2643 qemu_plugin_add_opts();
2644 qemu_add_opts(&qemu_option_rom_opts
);
2645 qemu_add_opts(&qemu_machine_opts
);
2646 qemu_add_opts(&qemu_accel_opts
);
2647 qemu_add_opts(&qemu_mem_opts
);
2648 qemu_add_opts(&qemu_smp_opts
);
2649 qemu_add_opts(&qemu_boot_opts
);
2650 qemu_add_opts(&qemu_add_fd_opts
);
2651 qemu_add_opts(&qemu_object_opts
);
2652 qemu_add_opts(&qemu_tpmdev_opts
);
2653 qemu_add_opts(&qemu_overcommit_opts
);
2654 qemu_add_opts(&qemu_msg_opts
);
2655 qemu_add_opts(&qemu_name_opts
);
2656 qemu_add_opts(&qemu_numa_opts
);
2657 qemu_add_opts(&qemu_icount_opts
);
2658 qemu_add_opts(&qemu_semihosting_config_opts
);
2659 qemu_add_opts(&qemu_fw_cfg_opts
);
2660 qemu_add_opts(&qemu_action_opts
);
2661 module_call_init(MODULE_INIT_OPTS
);
2663 error_init(argv
[0]);
2664 qemu_init_exec_dir(argv
[0]);
2666 qemu_init_subsystems();
2668 /* first pass of option parsing */
2670 while (optind
< argc
) {
2671 if (argv
[optind
][0] != '-') {
2675 const QEMUOption
*popt
;
2677 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2678 switch (popt
->index
) {
2679 case QEMU_OPTION_nouserconfig
:
2687 qemu_read_default_config_file(&error_fatal
);
2690 /* second pass of option parsing */
2695 if (argv
[optind
][0] != '-') {
2696 loc_set_cmdline(argv
, optind
, 1);
2697 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2699 const QEMUOption
*popt
;
2701 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2702 if (!(popt
->arch_mask
& arch_type
)) {
2703 error_report("Option not supported for this target");
2706 switch(popt
->index
) {
2707 case QEMU_OPTION_cpu
:
2708 /* hw initialization will check this */
2709 cpu_option
= optarg
;
2711 case QEMU_OPTION_hda
:
2712 case QEMU_OPTION_hdb
:
2713 case QEMU_OPTION_hdc
:
2714 case QEMU_OPTION_hdd
:
2715 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2718 case QEMU_OPTION_blockdev
:
2721 BlockdevOptionsQueueEntry
*bdo
;
2723 v
= qobject_input_visitor_new_str(optarg
, "driver",
2726 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
2727 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
2730 loc_save(&bdo
->loc
);
2731 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
2734 case QEMU_OPTION_drive
:
2735 if (drive_def(optarg
) == NULL
) {
2739 case QEMU_OPTION_set
:
2740 if (qemu_set_option(optarg
) != 0)
2743 case QEMU_OPTION_global
:
2744 if (qemu_global_option(optarg
) != 0)
2747 case QEMU_OPTION_mtdblock
:
2748 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2750 case QEMU_OPTION_sd
:
2751 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2753 case QEMU_OPTION_pflash
:
2754 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2756 case QEMU_OPTION_snapshot
:
2758 Error
*blocker
= NULL
;
2760 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
2762 replay_add_blocker(blocker
);
2765 case QEMU_OPTION_numa
:
2766 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
2772 case QEMU_OPTION_display
:
2773 parse_display(optarg
);
2775 case QEMU_OPTION_nographic
:
2776 olist
= qemu_find_opts("machine");
2777 qemu_opts_parse_noisily(olist
, "graphics=off", false);
2779 dpy
.type
= DISPLAY_TYPE_NONE
;
2781 case QEMU_OPTION_curses
:
2782 #ifdef CONFIG_CURSES
2783 dpy
.type
= DISPLAY_TYPE_CURSES
;
2785 error_report("curses or iconv support is disabled");
2789 case QEMU_OPTION_portrait
:
2790 graphic_rotate
= 90;
2792 case QEMU_OPTION_rotate
:
2793 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2794 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2795 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2796 error_report("only 90, 180, 270 deg rotation is available");
2800 case QEMU_OPTION_kernel
:
2801 qemu_opts_set(qemu_find_opts("machine"), "kernel", optarg
, &error_abort
);
2803 case QEMU_OPTION_initrd
:
2804 qemu_opts_set(qemu_find_opts("machine"), "initrd", optarg
, &error_abort
);
2806 case QEMU_OPTION_append
:
2807 qemu_opts_set(qemu_find_opts("machine"), "append", optarg
, &error_abort
);
2809 case QEMU_OPTION_dtb
:
2810 qemu_opts_set(qemu_find_opts("machine"), "dtb", optarg
, &error_abort
);
2812 case QEMU_OPTION_cdrom
:
2813 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2815 case QEMU_OPTION_boot
:
2816 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
2822 case QEMU_OPTION_fda
:
2823 case QEMU_OPTION_fdb
:
2824 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2827 case QEMU_OPTION_no_fd_bootchk
:
2830 case QEMU_OPTION_netdev
:
2832 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2836 case QEMU_OPTION_nic
:
2838 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
2842 case QEMU_OPTION_net
:
2844 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2848 #ifdef CONFIG_LIBISCSI
2849 case QEMU_OPTION_iscsi
:
2850 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
2857 case QEMU_OPTION_audio_help
:
2858 audio_legacy_help();
2861 case QEMU_OPTION_audiodev
:
2862 audio_parse_option(optarg
);
2864 case QEMU_OPTION_soundhw
:
2865 select_soundhw (optarg
);
2870 case QEMU_OPTION_version
:
2875 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
2882 case QEMU_OPTION_tpmdev
:
2883 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
2888 case QEMU_OPTION_mempath
:
2891 case QEMU_OPTION_mem_prealloc
:
2900 case QEMU_OPTION_DFILTER
:
2901 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
2903 case QEMU_OPTION_seed
:
2904 qemu_guest_random_seed_main(optarg
, &error_fatal
);
2907 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
2909 case QEMU_OPTION_gdb
:
2910 add_device_config(DEV_GDB
, optarg
);
2913 if (is_help_option(optarg
)) {
2914 list_data_dirs
= true;
2916 qemu_add_data_dir(g_strdup(optarg
));
2919 case QEMU_OPTION_bios
:
2920 qemu_opts_set(qemu_find_opts("machine"), "firmware", optarg
, &error_abort
);
2922 case QEMU_OPTION_singlestep
:
2929 keyboard_layout
= optarg
;
2931 case QEMU_OPTION_vga
:
2940 w
= strtol(p
, (char **)&p
, 10);
2943 error_report("invalid resolution or depth");
2949 h
= strtol(p
, (char **)&p
, 10);
2954 depth
= strtol(p
, (char **)&p
, 10);
2955 if (depth
!= 1 && depth
!= 2 && depth
!= 4 &&
2956 depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2957 depth
!= 24 && depth
!= 32)
2959 } else if (*p
== '\0') {
2960 depth
= graphic_depth
;
2967 graphic_depth
= depth
;
2970 case QEMU_OPTION_echr
:
2973 term_escape_char
= strtol(optarg
, &r
, 0);
2975 printf("Bad argument to echr\n");
2978 case QEMU_OPTION_monitor
:
2979 default_monitor
= 0;
2980 if (strncmp(optarg
, "none", 4)) {
2981 monitor_parse(optarg
, "readline", false);
2984 case QEMU_OPTION_qmp
:
2985 monitor_parse(optarg
, "control", false);
2986 default_monitor
= 0;
2988 case QEMU_OPTION_qmp_pretty
:
2989 monitor_parse(optarg
, "control", true);
2990 default_monitor
= 0;
2992 case QEMU_OPTION_mon
:
2993 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
2998 default_monitor
= 0;
3000 case QEMU_OPTION_chardev
:
3001 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3007 case QEMU_OPTION_fsdev
:
3008 olist
= qemu_find_opts("fsdev");
3010 error_report("fsdev support is disabled");
3013 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3018 case QEMU_OPTION_virtfs
: {
3021 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
,
3024 olist
= qemu_find_opts("virtfs");
3026 error_report("virtfs support is disabled");
3029 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3034 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3035 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3036 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3039 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3040 qemu_opts_id(opts
) ?:
3041 qemu_opt_get(opts
, "mount_tag"),
3044 error_report("duplicate or invalid fsdev id: %s",
3045 qemu_opt_get(opts
, "mount_tag"));
3049 writeout
= qemu_opt_get(opts
, "writeout");
3051 #ifdef CONFIG_SYNC_FILE_RANGE
3052 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3054 error_report("writeout=immediate not supported "
3055 "on this platform");
3059 qemu_opt_set(fsdev
, "fsdriver",
3060 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3061 path
= qemu_opt_get(opts
, "path");
3063 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3065 security_model
= qemu_opt_get(opts
, "security_model");
3066 if (security_model
) {
3067 qemu_opt_set(fsdev
, "security_model", security_model
,
3070 socket
= qemu_opt_get(opts
, "socket");
3072 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3074 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3076 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3079 qemu_opt_set_bool(fsdev
, "readonly",
3080 qemu_opt_get_bool(opts
, "readonly", 0),
3082 multidevs
= qemu_opt_get(opts
, "multidevs");
3084 qemu_opt_set(fsdev
, "multidevs", multidevs
, &error_abort
);
3086 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3088 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3089 qemu_opt_set(device
, "fsdev",
3090 qemu_opts_id(fsdev
), &error_abort
);
3091 qemu_opt_set(device
, "mount_tag",
3092 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3095 case QEMU_OPTION_serial
:
3096 add_device_config(DEV_SERIAL
, optarg
);
3098 if (strncmp(optarg
, "mon:", 4) == 0) {
3099 default_monitor
= 0;
3102 case QEMU_OPTION_watchdog
:
3104 error_report("only one watchdog option may be given");
3109 case QEMU_OPTION_action
:
3110 olist
= qemu_find_opts("action");
3111 if (!qemu_opts_parse_noisily(olist
, optarg
, false)) {
3115 case QEMU_OPTION_watchdog_action
:
3116 if (select_watchdog_action(optarg
) == -1) {
3117 error_report("unknown -watchdog-action parameter");
3121 case QEMU_OPTION_parallel
:
3122 add_device_config(DEV_PARALLEL
, optarg
);
3123 default_parallel
= 0;
3124 if (strncmp(optarg
, "mon:", 4) == 0) {
3125 default_monitor
= 0;
3128 case QEMU_OPTION_debugcon
:
3129 add_device_config(DEV_DEBUGCON
, optarg
);
3131 case QEMU_OPTION_loadvm
:
3134 case QEMU_OPTION_full_screen
:
3135 dpy
.has_full_screen
= true;
3136 dpy
.full_screen
= true;
3138 case QEMU_OPTION_alt_grab
:
3141 case QEMU_OPTION_ctrl_grab
:
3144 case QEMU_OPTION_no_quit
:
3145 dpy
.has_window_close
= true;
3146 dpy
.window_close
= false;
3148 case QEMU_OPTION_sdl
:
3150 dpy
.type
= DISPLAY_TYPE_SDL
;
3153 error_report("SDL support is disabled");
3156 case QEMU_OPTION_pidfile
:
3159 case QEMU_OPTION_win2k_hack
:
3160 win2k_install_hack
= 1;
3162 case QEMU_OPTION_acpitable
:
3163 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3168 acpi_table_add(opts
, &error_fatal
);
3170 case QEMU_OPTION_smbios
:
3171 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3176 smbios_entry_add(opts
, &error_fatal
);
3178 case QEMU_OPTION_fwcfg
:
3179 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3185 case QEMU_OPTION_preconfig
:
3186 preconfig_requested
= true;
3188 case QEMU_OPTION_enable_kvm
:
3189 olist
= qemu_find_opts("machine");
3190 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3193 case QEMU_OPTION_machine
:
3194 olist
= qemu_find_opts("machine");
3195 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3200 case QEMU_OPTION_accel
:
3201 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3203 optarg
= qemu_opt_get(accel_opts
, "accel");
3204 if (!optarg
|| is_help_option(optarg
)) {
3205 printf("Accelerators supported in QEMU binary:\n");
3206 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3208 for (el
= accel_list
; el
; el
= el
->next
) {
3209 gchar
*typename
= g_strdup(object_class_get_name(
3210 OBJECT_CLASS(el
->data
)));
3211 /* omit qtest which is used for tests only */
3212 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3213 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3214 gchar
**optname
= g_strsplit(typename
,
3215 ACCEL_CLASS_SUFFIX
, 0);
3216 printf("%s\n", optname
[0]);
3217 g_strfreev(optname
);
3221 g_slist_free(accel_list
);
3225 case QEMU_OPTION_usb
:
3226 olist
= qemu_find_opts("machine");
3227 qemu_opts_parse_noisily(olist
, "usb=on", false);
3229 case QEMU_OPTION_usbdevice
:
3230 olist
= qemu_find_opts("machine");
3231 qemu_opts_parse_noisily(olist
, "usb=on", false);
3232 add_device_config(DEV_USB
, optarg
);
3234 case QEMU_OPTION_device
:
3235 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3240 case QEMU_OPTION_smp
:
3241 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3246 case QEMU_OPTION_vnc
:
3249 case QEMU_OPTION_no_acpi
:
3250 olist
= qemu_find_opts("machine");
3251 qemu_opts_parse_noisily(olist
, "acpi=off", false);
3253 case QEMU_OPTION_no_hpet
:
3254 olist
= qemu_find_opts("machine");
3255 qemu_opts_parse_noisily(olist
, "hpet=off", false);
3257 case QEMU_OPTION_no_reboot
:
3258 olist
= qemu_find_opts("action");
3259 qemu_opts_parse_noisily(olist
, "reboot=shutdown", false);
3261 case QEMU_OPTION_no_shutdown
:
3262 olist
= qemu_find_opts("action");
3263 qemu_opts_parse_noisily(olist
, "shutdown=pause", false);
3265 case QEMU_OPTION_uuid
:
3266 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3267 error_report("failed to parse UUID string: wrong format");
3270 qemu_uuid_set
= true;
3272 case QEMU_OPTION_option_rom
:
3273 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3274 error_report("too many option ROMs");
3277 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3282 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3283 option_rom
[nb_option_roms
].bootindex
=
3284 qemu_opt_get_number(opts
, "bootindex", -1);
3285 if (!option_rom
[nb_option_roms
].name
) {
3286 error_report("Option ROM file is not specified");
3291 case QEMU_OPTION_semihosting
:
3292 qemu_semihosting_enable();
3294 case QEMU_OPTION_semihosting_config
:
3295 if (qemu_semihosting_config_options(optarg
) != 0) {
3299 case QEMU_OPTION_name
:
3300 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3305 /* Capture guest name if -msg guest-name is used later */
3306 error_guest_name
= qemu_opt_get(opts
, "guest");
3308 case QEMU_OPTION_prom_env
:
3309 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3310 error_report("too many prom variables");
3313 prom_envs
[nb_prom_envs
] = optarg
;
3316 case QEMU_OPTION_old_param
:
3319 case QEMU_OPTION_rtc
:
3320 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3326 case QEMU_OPTION_icount
:
3327 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3333 case QEMU_OPTION_incoming
:
3335 runstate_set(RUN_STATE_INMIGRATE
);
3339 case QEMU_OPTION_only_migratable
:
3340 only_migratable
= 1;
3342 case QEMU_OPTION_nodefaults
:
3345 case QEMU_OPTION_xen_domid
:
3346 if (!(xen_available())) {
3347 error_report("Option not supported for this target");
3350 xen_domid
= atoi(optarg
);
3352 case QEMU_OPTION_xen_attach
:
3353 if (!(xen_available())) {
3354 error_report("Option not supported for this target");
3357 xen_mode
= XEN_ATTACH
;
3359 case QEMU_OPTION_xen_domid_restrict
:
3360 if (!(xen_available())) {
3361 error_report("Option not supported for this target");
3364 xen_domid_restrict
= true;
3366 case QEMU_OPTION_trace
:
3367 trace_opt_parse(optarg
);
3369 case QEMU_OPTION_plugin
:
3370 qemu_plugin_opt_parse(optarg
, &plugin_list
);
3372 case QEMU_OPTION_readconfig
:
3373 qemu_read_config_file(optarg
, &error_fatal
);
3375 case QEMU_OPTION_spice
:
3376 olist
= qemu_find_opts_err("spice", NULL
);
3378 ui_module_load_one("spice-core");
3379 olist
= qemu_find_opts("spice");
3382 error_report("spice support is disabled");
3385 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3391 case QEMU_OPTION_writeconfig
:
3394 warn_report("-writeconfig is deprecated and will go away without a replacement");
3395 if (strcmp(optarg
, "-") == 0) {
3398 fp
= fopen(optarg
, "w");
3400 error_report("open %s: %s", optarg
,
3405 qemu_config_write(fp
);
3411 case QEMU_OPTION_qtest
:
3412 qtest_chrdev
= optarg
;
3414 case QEMU_OPTION_qtest_log
:
3417 case QEMU_OPTION_sandbox
:
3418 olist
= qemu_find_opts("sandbox");
3420 #ifndef CONFIG_SECCOMP
3421 error_report("-sandbox support is not enabled "
3422 "in this QEMU binary");
3427 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3432 case QEMU_OPTION_add_fd
:
3434 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3440 error_report("File descriptor passing is disabled on this "
3445 case QEMU_OPTION_object
:
3446 object_option_parse(optarg
);
3448 case QEMU_OPTION_overcommit
:
3449 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3454 enable_mlock
= qemu_opt_get_bool(opts
, "mem-lock", false);
3455 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3457 case QEMU_OPTION_compat
:
3462 v
= qobject_input_visitor_new_str(optarg
, NULL
,
3465 visit_type_CompatPolicy(v
, NULL
, &opts
, &error_fatal
);
3466 QAPI_CLONE_MEMBERS(CompatPolicy
, &compat_policy
, opts
);
3468 qapi_free_CompatPolicy(opts
);
3472 case QEMU_OPTION_msg
:
3473 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3478 configure_msg(opts
);
3480 case QEMU_OPTION_dump_vmstate
:
3481 if (vmstate_dump_file
) {
3482 error_report("only one '-dump-vmstate' "
3483 "option may be given");
3486 vmstate_dump_file
= fopen(optarg
, "w");
3487 if (vmstate_dump_file
== NULL
) {
3488 error_report("open %s: %s", optarg
, strerror(errno
));
3492 case QEMU_OPTION_enable_sync_profile
:
3495 case QEMU_OPTION_nouserconfig
:
3496 /* Nothing to be parsed here. Especially, do not error out below. */
3499 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3500 error_report("Option not supported in this build");
3507 * Clear error location left behind by the loop.
3508 * Best done right after the loop. Do not insert code here!
3512 qemu_validate_options();
3513 qemu_process_sugar_options();
3516 * These options affect everything else and should be processed
3517 * before daemonizing.
3519 qemu_process_early_options();
3521 qemu_process_help_options();
3522 qemu_maybe_daemonize(pid_file
);
3525 * The trace backend must be initialized after daemonizing.
3526 * trace_init_backends() will call st_init(), which will create the
3527 * trace thread in the parent, and also register st_flush_trace_buffer()
3528 * in atexit(). This function will force the parent to wait for the
3529 * writeout thread to finish, which will not occur, and the parent
3530 * process will be left in the host.
3532 if (!trace_init_backends()) {
3537 qemu_init_main_loop(&error_fatal
);
3540 user_register_global_props();
3541 replay_configure(icount_opts
);
3543 configure_rtc(qemu_find_opts_singleton("rtc"));
3545 qemu_create_machine(select_machine());
3549 qemu_disable_default_devices();
3550 qemu_create_default_devices();
3551 qemu_create_early_backends();
3553 qemu_apply_machine_options();
3554 phase_advance(PHASE_MACHINE_CREATED
);
3557 * Note: uses machine properties such as kernel-irqchip, must run
3558 * after machine_set_property().
3560 configure_accelerators(argv
[0]);
3561 phase_advance(PHASE_ACCEL_CREATED
);
3564 * Beware, QOM objects created before this point miss global and
3565 * compat properties.
3567 * Global properties get set up by qdev_prop_register_global(),
3568 * called from user_register_global_props(), and certain option
3569 * desugaring. Also in CPU feature desugaring (buried in
3570 * parse_cpu_option()), which happens below this point, but may
3571 * only target the CPU type, which can only be created after
3572 * parse_cpu_option() returned the type.
3574 * Machine compat properties: object_set_machine_compat_props().
3575 * Accelerator compat props: object_set_accelerator_compat_props(),
3576 * called from do_configure_accelerator().
3579 machine_class
= MACHINE_GET_CLASS(current_machine
);
3580 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
3581 error_report("Machine type '%s' is deprecated: %s",
3582 machine_class
->name
, machine_class
->deprecation_reason
);
3586 * Note: creates a QOM object, must run only after global and
3587 * compat properties have been set up.
3589 migration_object_init();
3591 qemu_create_late_backends();
3593 /* parse features once if machine provides default cpu_type */
3594 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
3596 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
3598 /* NB: for machine none cpu_type could STILL be NULL here! */
3599 accel_init_interfaces(ACCEL_GET_CLASS(current_machine
->accelerator
));
3601 qemu_resolve_machine_memdev();
3602 parse_numa_opts(current_machine
);
3604 if (vmstate_dump_file
) {
3606 dump_vmstate_json_to_file(vmstate_dump_file
);
3610 if (!preconfig_requested
) {
3611 qmp_x_exit_preconfig(&error_fatal
);
3613 qemu_init_displays();
3614 accel_setup_post(current_machine
);