4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 #include "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc
, char **argv
, char **envp
);
45 int main(int argc
, char **argv
)
47 return qemu_main(argc
, argv
, NULL
);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
61 #include "qemu/sockets.h"
63 #include "hw/boards.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir
[16];
127 static int data_dir_idx
;
128 const char *bios_name
= NULL
;
129 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
130 DisplayType display_type
= DT_DEFAULT
;
131 static int display_remote
;
132 const char* keyboard_layout
= NULL
;
134 const char *mem_path
= NULL
;
135 int mem_prealloc
= 0; /* force preallocation of physical target memory */
137 NICInfo nd_table
[MAX_NICS
];
139 static int rtc_utc
= 1;
140 static int rtc_date_offset
= -1; /* -1 means no change */
141 QEMUClockType rtc_clock
;
142 int vga_interface_type
= VGA_NONE
;
143 static int full_screen
= 0;
144 static int no_frame
= 0;
147 static bool grab_on_hover
;
149 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
150 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
151 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
152 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
153 int win2k_install_hack
= 0;
160 const char *vnc_display
;
162 int acpi_enabled
= 1;
165 static int no_reboot
;
168 int graphic_rotate
= 0;
169 const char *watchdog
;
170 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
172 int semihosting_enabled
= 0;
174 const char *qemu_name
;
177 unsigned int nb_prom_envs
= 0;
178 const char *prom_envs
[MAX_PROM_ENVS
];
180 static bool boot_strict
;
181 uint8_t *boot_splash_filedata
;
182 size_t boot_splash_filedata_size
;
183 uint8_t qemu_extra_params_fw
[2];
185 typedef struct FWBootEntry FWBootEntry
;
188 QTAILQ_ENTRY(FWBootEntry
) link
;
194 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
198 uint64_t node_mem
[MAX_NODES
];
199 unsigned long *node_cpumask
[MAX_NODES
];
201 uint8_t qemu_uuid
[16];
204 static QEMUBootSetHandler
*boot_set_handler
;
205 static void *boot_set_opaque
;
207 static NotifierList exit_notifiers
=
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
210 static NotifierList machine_init_done_notifiers
=
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
213 static bool tcg_allowed
= true;
216 enum xen_mode xen_mode
= XEN_EMULATE
;
217 static int tcg_tb_size
;
219 static int has_defaults
= 1;
220 static int default_serial
= 1;
221 static int default_parallel
= 1;
222 static int default_virtcon
= 1;
223 static int default_sclp
= 1;
224 static int default_monitor
= 1;
225 static int default_floppy
= 1;
226 static int default_cdrom
= 1;
227 static int default_sdcard
= 1;
228 static int default_vga
= 1;
234 { .driver
= "isa-serial", .flag
= &default_serial
},
235 { .driver
= "isa-parallel", .flag
= &default_parallel
},
236 { .driver
= "isa-fdc", .flag
= &default_floppy
},
237 { .driver
= "ide-cd", .flag
= &default_cdrom
},
238 { .driver
= "ide-hd", .flag
= &default_cdrom
},
239 { .driver
= "ide-drive", .flag
= &default_cdrom
},
240 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
241 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
242 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
243 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
244 { .driver
= "VGA", .flag
= &default_vga
},
245 { .driver
= "isa-vga", .flag
= &default_vga
},
246 { .driver
= "cirrus-vga", .flag
= &default_vga
},
247 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
248 { .driver
= "vmware-svga", .flag
= &default_vga
},
249 { .driver
= "qxl-vga", .flag
= &default_vga
},
252 static QemuOptsList qemu_rtc_opts
= {
254 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
258 .type
= QEMU_OPT_STRING
,
261 .type
= QEMU_OPT_STRING
,
264 .type
= QEMU_OPT_STRING
,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts
= {
272 .implied_opt_name
= "enable",
273 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
277 .type
= QEMU_OPT_BOOL
,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts
= {
285 .implied_opt_name
= "trace",
286 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
290 .type
= QEMU_OPT_STRING
,
293 .type
= QEMU_OPT_STRING
,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts
= {
300 .name
= "option-rom",
301 .implied_opt_name
= "romfile",
302 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
306 .type
= QEMU_OPT_NUMBER
,
309 .type
= QEMU_OPT_STRING
,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts
= {
317 .implied_opt_name
= "type",
319 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
323 .type
= QEMU_OPT_STRING
,
324 .help
= "emulated machine"
327 .type
= QEMU_OPT_STRING
,
328 .help
= "accelerator list",
330 .name
= "kernel_irqchip",
331 .type
= QEMU_OPT_BOOL
,
332 .help
= "use KVM in-kernel irqchip",
334 .name
= "kvm_shadow_mem",
335 .type
= QEMU_OPT_SIZE
,
336 .help
= "KVM shadow MMU size",
339 .type
= QEMU_OPT_STRING
,
340 .help
= "Linux kernel image file",
343 .type
= QEMU_OPT_STRING
,
344 .help
= "Linux initial ramdisk file",
347 .type
= QEMU_OPT_STRING
,
348 .help
= "Linux kernel command line",
351 .type
= QEMU_OPT_STRING
,
352 .help
= "Linux kernel device tree file",
355 .type
= QEMU_OPT_STRING
,
356 .help
= "Dump current dtb to a file and quit",
358 .name
= "phandle_start",
359 .type
= QEMU_OPT_NUMBER
,
360 .help
= "The first phandle ID we may generate dynamically",
362 .name
= "dt_compatible",
363 .type
= QEMU_OPT_STRING
,
364 .help
= "Overrides the \"compatible\" property of the dt root node",
366 .name
= "dump-guest-core",
367 .type
= QEMU_OPT_BOOL
,
368 .help
= "Include guest memory in a core dump",
371 .type
= QEMU_OPT_BOOL
,
372 .help
= "enable/disable memory merge support",
375 .type
= QEMU_OPT_BOOL
,
376 .help
= "Set on/off to enable/disable usb",
379 .type
= QEMU_OPT_STRING
,
380 .help
= "firmware image",
383 .type
= QEMU_OPT_STRING
,
384 .help
= "Specifies the KVM virtualization mode (HV, PR)",
386 { /* End of list */ }
390 static QemuOptsList qemu_boot_opts
= {
392 .implied_opt_name
= "order",
394 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
398 .type
= QEMU_OPT_STRING
,
401 .type
= QEMU_OPT_STRING
,
404 .type
= QEMU_OPT_BOOL
,
407 .type
= QEMU_OPT_STRING
,
409 .name
= "splash-time",
410 .type
= QEMU_OPT_STRING
,
412 .name
= "reboot-timeout",
413 .type
= QEMU_OPT_STRING
,
416 .type
= QEMU_OPT_BOOL
,
422 static QemuOptsList qemu_add_fd_opts
= {
424 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
428 .type
= QEMU_OPT_NUMBER
,
429 .help
= "file descriptor of which a duplicate is added to fd set",
432 .type
= QEMU_OPT_NUMBER
,
433 .help
= "ID of the fd set to add fd to",
436 .type
= QEMU_OPT_STRING
,
437 .help
= "free-form string used to describe fd",
439 { /* end of list */ }
443 static QemuOptsList qemu_object_opts
= {
445 .implied_opt_name
= "qom-type",
446 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
452 static QemuOptsList qemu_tpmdev_opts
= {
454 .implied_opt_name
= "type",
455 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
462 static QemuOptsList qemu_realtime_opts
= {
464 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
468 .type
= QEMU_OPT_BOOL
,
470 { /* end of list */ }
474 static QemuOptsList qemu_msg_opts
= {
476 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
480 .type
= QEMU_OPT_BOOL
,
482 { /* end of list */ }
486 static QemuOptsList qemu_name_opts
= {
488 .implied_opt_name
= "guest",
490 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
494 .type
= QEMU_OPT_STRING
,
495 .help
= "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
500 .type
= QEMU_OPT_STRING
,
501 .help
= "Sets the name of the QEMU process, as shown in top etc",
503 .name
= "debug-threads",
504 .type
= QEMU_OPT_BOOL
,
505 .help
= "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
509 { /* End of list */ }
514 * Get machine options
516 * Returns: machine options (never null).
518 QemuOpts
*qemu_get_machine_opts(void)
523 list
= qemu_find_opts("machine");
525 opts
= qemu_opts_find(list
, NULL
);
527 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
532 const char *qemu_get_vm_name(void)
537 static void res_free(void)
539 if (boot_splash_filedata
!= NULL
) {
540 g_free(boot_splash_filedata
);
541 boot_splash_filedata
= NULL
;
545 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
547 const char *driver
= qemu_opt_get(opts
, "driver");
552 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
553 if (strcmp(default_list
[i
].driver
, driver
) != 0)
555 *(default_list
[i
].flag
) = 0;
560 /***********************************************************/
563 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
568 } RunStateTransition
;
570 static const RunStateTransition runstate_transitions_def
[] = {
572 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
573 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
576 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
578 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
579 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
582 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
584 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
585 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
587 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
588 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
590 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
591 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
594 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
595 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
597 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
599 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
600 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
601 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
602 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
603 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
605 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
606 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
607 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
608 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
610 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
612 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
613 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
615 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
616 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
617 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
618 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
621 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
623 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
624 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_MAX
, RUN_STATE_MAX
},
629 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
631 bool runstate_check(RunState state
)
633 return current_run_state
== state
;
636 static void runstate_init(void)
638 const RunStateTransition
*p
;
640 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
642 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
643 runstate_valid_transitions
[p
->from
][p
->to
] = true;
647 /* This function will abort() on invalid state transitions */
648 void runstate_set(RunState new_state
)
650 assert(new_state
< RUN_STATE_MAX
);
652 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
653 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
654 RunState_lookup
[current_run_state
],
655 RunState_lookup
[new_state
]);
658 trace_runstate_set(new_state
);
659 current_run_state
= new_state
;
662 int runstate_is_running(void)
664 return runstate_check(RUN_STATE_RUNNING
);
667 bool runstate_needs_reset(void)
669 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
670 runstate_check(RUN_STATE_SHUTDOWN
);
673 StatusInfo
*qmp_query_status(Error
**errp
)
675 StatusInfo
*info
= g_malloc0(sizeof(*info
));
677 info
->running
= runstate_is_running();
678 info
->singlestep
= singlestep
;
679 info
->status
= current_run_state
;
684 /***********************************************************/
685 /* real time host monotonic timer */
687 /***********************************************************/
688 /* host time/date access */
689 void qemu_get_timedate(struct tm
*tm
, int offset
)
695 if (rtc_date_offset
== -1) {
699 localtime_r(&ti
, tm
);
701 ti
-= rtc_date_offset
;
706 int qemu_timedate_diff(struct tm
*tm
)
710 if (rtc_date_offset
== -1)
712 seconds
= mktimegm(tm
);
715 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
716 seconds
= mktime(&tmp
);
719 seconds
= mktimegm(tm
) + rtc_date_offset
;
721 return seconds
- time(NULL
);
724 void rtc_change_mon_event(struct tm
*tm
)
728 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
729 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
730 qobject_decref(data
);
733 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
735 time_t rtc_start_date
;
738 if (!strcmp(startdate
, "now") && legacy
) {
739 rtc_date_offset
= -1;
741 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
749 } else if (sscanf(startdate
, "%d-%d-%d",
761 rtc_start_date
= mktimegm(&tm
);
762 if (rtc_start_date
== -1) {
764 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
765 "'2006-06-17T16:01:21' or '2006-06-17'\n");
768 rtc_date_offset
= time(NULL
) - rtc_start_date
;
772 static void configure_rtc(QemuOpts
*opts
)
776 value
= qemu_opt_get(opts
, "base");
778 if (!strcmp(value
, "utc")) {
780 } else if (!strcmp(value
, "localtime")) {
783 configure_rtc_date_offset(value
, 0);
786 value
= qemu_opt_get(opts
, "clock");
788 if (!strcmp(value
, "host")) {
789 rtc_clock
= QEMU_CLOCK_HOST
;
790 } else if (!strcmp(value
, "rt")) {
791 rtc_clock
= QEMU_CLOCK_REALTIME
;
792 } else if (!strcmp(value
, "vm")) {
793 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
795 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
799 value
= qemu_opt_get(opts
, "driftfix");
801 if (!strcmp(value
, "slew")) {
802 static GlobalProperty slew_lost_ticks
[] = {
804 .driver
= "mc146818rtc",
805 .property
= "lost_tick_policy",
808 { /* end of list */ }
811 qdev_prop_register_global_list(slew_lost_ticks
);
812 } else if (!strcmp(value
, "none")) {
813 /* discard is default */
815 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
821 /***********************************************************/
822 /* Bluetooth support */
825 static struct HCIInfo
*hci_table
[MAX_NICS
];
827 struct HCIInfo
*qemu_next_hci(void)
829 if (cur_hci
== nb_hcis
)
832 return hci_table
[cur_hci
++];
835 static int bt_hci_parse(const char *str
)
840 if (nb_hcis
>= MAX_NICS
) {
841 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
854 bdaddr
.b
[5] = 0x56 + nb_hcis
;
855 hci
->bdaddr_set(hci
, bdaddr
.b
);
857 hci_table
[nb_hcis
++] = hci
;
862 static void bt_vhci_add(int vlan_id
)
864 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
867 fprintf(stderr
, "qemu: warning: adding a VHCI to "
868 "an empty scatternet %i\n", vlan_id
);
870 bt_vhci_init(bt_new_hci(vlan
));
873 static struct bt_device_s
*bt_device_add(const char *opt
)
875 struct bt_scatternet_s
*vlan
;
877 char *endp
= strstr(opt
, ",vlan=");
878 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
881 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
884 vlan_id
= strtol(endp
+ 6, &endp
, 0);
886 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
891 vlan
= qemu_find_bt_vlan(vlan_id
);
894 fprintf(stderr
, "qemu: warning: adding a slave device to "
895 "an empty scatternet %i\n", vlan_id
);
897 if (!strcmp(devname
, "keyboard"))
898 return bt_keyboard_init(vlan
);
900 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
904 static int bt_parse(const char *opt
)
906 const char *endp
, *p
;
909 if (strstart(opt
, "hci", &endp
)) {
910 if (!*endp
|| *endp
== ',') {
912 if (!strstart(endp
, ",vlan=", 0))
915 return bt_hci_parse(opt
);
917 } else if (strstart(opt
, "vhci", &endp
)) {
918 if (!*endp
|| *endp
== ',') {
920 if (strstart(endp
, ",vlan=", &p
)) {
921 vlan
= strtol(p
, (char **) &endp
, 0);
923 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
927 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
936 } else if (strstart(opt
, "device:", &endp
))
937 return !bt_device_add(endp
);
939 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
943 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
945 /* FIXME: change this to true for 1.3 */
946 if (qemu_opt_get_bool(opts
, "enable", false)) {
947 #ifdef CONFIG_SECCOMP
948 if (seccomp_start() < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
950 "failed to install seccomp syscall filter in the kernel");
954 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
955 "sandboxing request but seccomp is not compiled into this build");
963 static void parse_name(QemuOpts
*opts
)
965 const char *proc_name
;
967 if (qemu_opt_get(opts
, "debug-threads")) {
968 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
970 qemu_name
= qemu_opt_get(opts
, "guest");
972 proc_name
= qemu_opt_get(opts
, "process");
974 os_set_proc_name(proc_name
);
978 bool usb_enabled(bool default_usb
)
980 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
981 has_defaults
&& default_usb
);
985 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
987 int fd
, dupfd
, flags
;
989 const char *fd_opaque
= NULL
;
991 fd
= qemu_opt_get_number(opts
, "fd", -1);
992 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
993 fd_opaque
= qemu_opt_get(opts
, "opaque");
996 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
997 "fd option is required and must be non-negative");
1001 if (fd
<= STDERR_FILENO
) {
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1003 "fd cannot be a standard I/O stream");
1008 * All fds inherited across exec() necessarily have FD_CLOEXEC
1009 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1011 flags
= fcntl(fd
, F_GETFD
);
1012 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1014 "fd is not valid or already in use");
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1020 "set option is required and must be non-negative");
1024 #ifdef F_DUPFD_CLOEXEC
1025 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1029 qemu_set_cloexec(dupfd
);
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1034 "Error duplicating fd: %s", strerror(errno
));
1038 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1039 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1045 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1049 fd
= qemu_opt_get_number(opts
, "fd", -1);
1056 /***********************************************************/
1057 /* QEMU Block devices */
1059 #define HD_OPTS "media=disk"
1060 #define CDROM_OPTS "media=cdrom"
1062 #define PFLASH_OPTS ""
1066 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1068 BlockInterfaceType
*block_default_type
= opaque
;
1070 return drive_init(opts
, *block_default_type
) == NULL
;
1073 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1075 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1076 qemu_opt_set(opts
, "snapshot", "on");
1081 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1082 int index
, const char *optstr
)
1086 if (!enable
|| drive_get_by_index(type
, index
)) {
1090 opts
= drive_add(type
, index
, NULL
, optstr
);
1092 drive_enable_snapshot(opts
, NULL
);
1094 if (!drive_init(opts
, type
)) {
1099 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1101 boot_set_handler
= func
;
1102 boot_set_opaque
= opaque
;
1105 int qemu_boot_set(const char *boot_order
)
1107 if (!boot_set_handler
) {
1110 return boot_set_handler(boot_set_opaque
, boot_order
);
1113 static void validate_bootdevices(const char *devices
)
1115 /* We just do some generic consistency checks */
1119 for (p
= devices
; *p
!= '\0'; p
++) {
1120 /* Allowed boot devices are:
1121 * a-b: floppy disk drives
1122 * c-f: IDE disk drives
1123 * g-m: machine implementation dependent drives
1124 * n-p: network devices
1125 * It's up to each machine implementation to check if the given boot
1126 * devices match the actual hardware implementation and firmware
1129 if (*p
< 'a' || *p
> 'p') {
1130 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1133 if (bitmap
& (1 << (*p
- 'a'))) {
1134 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1137 bitmap
|= 1 << (*p
- 'a');
1141 static void restore_boot_order(void *opaque
)
1143 char *normal_boot_order
= opaque
;
1144 static int first
= 1;
1146 /* Restore boot order and remove ourselves after the first boot */
1152 qemu_boot_set(normal_boot_order
);
1154 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1155 g_free(normal_boot_order
);
1158 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1161 FWBootEntry
*node
, *i
;
1163 if (bootindex
< 0) {
1167 assert(dev
!= NULL
|| suffix
!= NULL
);
1169 node
= g_malloc0(sizeof(FWBootEntry
));
1170 node
->bootindex
= bootindex
;
1171 node
->suffix
= g_strdup(suffix
);
1174 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1175 if (i
->bootindex
== bootindex
) {
1176 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1178 } else if (i
->bootindex
< bootindex
) {
1181 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1184 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1187 DeviceState
*get_boot_device(uint32_t position
)
1189 uint32_t counter
= 0;
1190 FWBootEntry
*i
= NULL
;
1191 DeviceState
*res
= NULL
;
1193 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1194 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1195 if (counter
== position
) {
1206 * This function returns null terminated string that consist of new line
1207 * separated device paths.
1209 * memory pointed by "size" is assigned total length of the array in bytes
1212 char *get_boot_devices_list(size_t *size
)
1218 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1219 char *devpath
= NULL
, *bootpath
;
1223 devpath
= qdev_get_fw_dev_path(i
->dev
);
1227 if (i
->suffix
&& devpath
) {
1228 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1230 bootpath
= g_malloc(bootpathlen
);
1231 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1233 } else if (devpath
) {
1237 bootpath
= g_strdup(i
->suffix
);
1241 list
[total
-1] = '\n';
1243 len
= strlen(bootpath
) + 1;
1244 list
= g_realloc(list
, total
+ len
);
1245 memcpy(&list
[total
], bootpath
, len
);
1252 if (boot_strict
&& *size
> 0) {
1253 list
[total
-1] = '\n';
1254 list
= g_realloc(list
, total
+ 5);
1255 memcpy(&list
[total
], "HALT", 5);
1261 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1264 unsigned long long value
, endvalue
;
1266 /* Empty CPU range strings will be considered valid, they will simply
1267 * not set any bit in the CPU bitmap.
1273 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1276 if (*endptr
== '-') {
1277 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1280 } else if (*endptr
== '\0') {
1286 if (endvalue
>= MAX_CPUMASK_BITS
) {
1287 endvalue
= MAX_CPUMASK_BITS
- 1;
1289 "qemu: NUMA: A max of %d VCPUs are supported\n",
1293 if (endvalue
< value
) {
1297 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1301 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1305 static void numa_add(const char *optarg
)
1309 unsigned long long nodenr
;
1311 optarg
= get_opt_name(option
, 128, optarg
, ',');
1312 if (*optarg
== ',') {
1315 if (!strcmp(option
, "node")) {
1317 if (nb_numa_nodes
>= MAX_NODES
) {
1318 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1322 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1323 nodenr
= nb_numa_nodes
;
1325 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1326 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1331 if (nodenr
>= MAX_NODES
) {
1332 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1336 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1337 node_mem
[nodenr
] = 0;
1340 sval
= strtosz(option
, &endptr
);
1341 if (sval
< 0 || *endptr
) {
1342 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1345 node_mem
[nodenr
] = sval
;
1347 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1348 numa_node_parse_cpus(nodenr
, option
);
1352 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1357 static QemuOptsList qemu_smp_opts
= {
1359 .implied_opt_name
= "cpus",
1360 .merge_lists
= true,
1361 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1365 .type
= QEMU_OPT_NUMBER
,
1368 .type
= QEMU_OPT_NUMBER
,
1371 .type
= QEMU_OPT_NUMBER
,
1374 .type
= QEMU_OPT_NUMBER
,
1377 .type
= QEMU_OPT_NUMBER
,
1379 { /*End of list */ }
1383 static void smp_parse(QemuOpts
*opts
)
1387 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1388 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1389 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1390 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1392 /* compute missing values, prefer sockets over cores over threads */
1393 if (cpus
== 0 || sockets
== 0) {
1394 sockets
= sockets
> 0 ? sockets
: 1;
1395 cores
= cores
> 0 ? cores
: 1;
1396 threads
= threads
> 0 ? threads
: 1;
1398 cpus
= cores
* threads
* sockets
;
1402 threads
= threads
> 0 ? threads
: 1;
1403 cores
= cpus
/ (sockets
* threads
);
1405 threads
= cpus
/ (cores
* sockets
);
1409 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1412 smp_cores
= cores
> 0 ? cores
: 1;
1413 smp_threads
= threads
> 0 ? threads
: 1;
1417 if (max_cpus
== 0) {
1418 max_cpus
= smp_cpus
;
1421 if (max_cpus
> 255) {
1422 fprintf(stderr
, "Unsupported number of maxcpus\n");
1425 if (max_cpus
< smp_cpus
) {
1426 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1432 static void configure_realtime(QemuOpts
*opts
)
1436 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1439 if (os_mlock() < 0) {
1440 fprintf(stderr
, "qemu: locking memory failed\n");
1447 static void configure_msg(QemuOpts
*opts
)
1449 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1452 /***********************************************************/
1455 static int usb_device_add(const char *devname
)
1457 USBDevice
*dev
= NULL
;
1458 #ifndef CONFIG_LINUX
1462 if (!usb_enabled(false)) {
1466 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1467 dev
= usbdevice_create(devname
);
1471 /* the other ones */
1472 #ifndef CONFIG_LINUX
1473 /* only the linux version is qdev-ified, usb-bsd still needs this */
1474 if (strstart(devname
, "host:", &p
)) {
1475 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1485 static int usb_device_del(const char *devname
)
1490 if (strstart(devname
, "host:", &p
)) {
1494 if (!usb_enabled(false)) {
1498 p
= strchr(devname
, '.');
1501 bus_num
= strtoul(devname
, NULL
, 0);
1502 addr
= strtoul(p
+ 1, NULL
, 0);
1504 return usb_device_delete_addr(bus_num
, addr
);
1507 static int usb_parse(const char *cmdline
)
1510 r
= usb_device_add(cmdline
);
1512 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1517 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1519 const char *devname
= qdict_get_str(qdict
, "devname");
1520 if (usb_device_add(devname
) < 0) {
1521 error_report("could not add USB device '%s'", devname
);
1525 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1527 const char *devname
= qdict_get_str(qdict
, "devname");
1528 if (usb_device_del(devname
) < 0) {
1529 error_report("could not delete USB device '%s'", devname
);
1533 /***********************************************************/
1534 /* PCMCIA/Cardbus */
1536 static struct pcmcia_socket_entry_s
{
1537 PCMCIASocket
*socket
;
1538 struct pcmcia_socket_entry_s
*next
;
1539 } *pcmcia_sockets
= 0;
1541 void pcmcia_socket_register(PCMCIASocket
*socket
)
1543 struct pcmcia_socket_entry_s
*entry
;
1545 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1546 entry
->socket
= socket
;
1547 entry
->next
= pcmcia_sockets
;
1548 pcmcia_sockets
= entry
;
1551 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1553 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1555 ptr
= &pcmcia_sockets
;
1556 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1557 if (entry
->socket
== socket
) {
1563 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1565 struct pcmcia_socket_entry_s
*iter
;
1567 if (!pcmcia_sockets
)
1568 monitor_printf(mon
, "No PCMCIA sockets\n");
1570 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1571 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1572 iter
->socket
->attached
? iter
->socket
->card_string
:
1576 /***********************************************************/
1577 /* machine registration */
1579 MachineState
*current_machine
;
1581 static void machine_class_init(ObjectClass
*oc
, void *data
)
1583 MachineClass
*mc
= MACHINE_CLASS(oc
);
1585 mc
->qemu_machine
= data
;
1588 int qemu_register_machine(QEMUMachine
*m
)
1590 char *name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
);
1593 .parent
= TYPE_MACHINE
,
1594 .class_init
= machine_class_init
,
1595 .class_data
= (void *)m
,
1604 static MachineClass
*find_machine(const char *name
)
1606 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1607 MachineClass
*mc
= NULL
;
1609 for (el
= machines
; el
; el
= el
->next
) {
1610 MachineClass
*temp
= el
->data
;
1612 if (!strcmp(temp
->qemu_machine
->name
, name
)) {
1616 if (temp
->qemu_machine
->alias
&&
1617 !strcmp(temp
->qemu_machine
->alias
, name
)) {
1623 g_slist_free(machines
);
1627 MachineClass
*find_default_machine(void)
1629 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1630 MachineClass
*mc
= NULL
;
1632 for (el
= machines
; el
; el
= el
->next
) {
1633 MachineClass
*temp
= el
->data
;
1635 if (temp
->qemu_machine
->is_default
) {
1641 g_slist_free(machines
);
1645 MachineInfoList
*qmp_query_machines(Error
**errp
)
1647 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1648 MachineInfoList
*mach_list
= NULL
;
1651 for (el
= machines
; el
; el
= el
->next
) {
1652 MachineClass
*mc
= el
->data
;
1653 MachineInfoList
*entry
;
1656 m
= mc
->qemu_machine
;
1657 info
= g_malloc0(sizeof(*info
));
1658 if (m
->is_default
) {
1659 info
->has_is_default
= true;
1660 info
->is_default
= true;
1664 info
->has_alias
= true;
1665 info
->alias
= g_strdup(m
->alias
);
1668 info
->name
= g_strdup(m
->name
);
1669 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1671 entry
= g_malloc0(sizeof(*entry
));
1672 entry
->value
= info
;
1673 entry
->next
= mach_list
;
1677 g_slist_free(machines
);
1681 /***********************************************************/
1682 /* main execution loop */
1684 struct vm_change_state_entry
{
1685 VMChangeStateHandler
*cb
;
1687 QLIST_ENTRY (vm_change_state_entry
) entries
;
1690 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1692 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1695 VMChangeStateEntry
*e
;
1697 e
= g_malloc0(sizeof (*e
));
1701 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1705 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1707 QLIST_REMOVE (e
, entries
);
1711 void vm_state_notify(int running
, RunState state
)
1713 VMChangeStateEntry
*e
;
1715 trace_vm_state_notify(running
, state
);
1717 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1718 e
->cb(e
->opaque
, running
, state
);
1724 if (!runstate_is_running()) {
1726 runstate_set(RUN_STATE_RUNNING
);
1727 vm_state_notify(1, RUN_STATE_RUNNING
);
1729 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1733 /* reset/shutdown handler */
1735 typedef struct QEMUResetEntry
{
1736 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1737 QEMUResetHandler
*func
;
1741 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1742 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1743 static int reset_requested
;
1744 static int shutdown_requested
, shutdown_signal
= -1;
1745 static pid_t shutdown_pid
;
1746 static int powerdown_requested
;
1747 static int debug_requested
;
1748 static int suspend_requested
;
1749 static WakeupReason wakeup_reason
;
1750 static NotifierList powerdown_notifiers
=
1751 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1752 static NotifierList suspend_notifiers
=
1753 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1754 static NotifierList wakeup_notifiers
=
1755 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1756 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1757 static RunState vmstop_requested
= RUN_STATE_MAX
;
1759 int qemu_shutdown_requested_get(void)
1761 return shutdown_requested
;
1764 int qemu_reset_requested_get(void)
1766 return reset_requested
;
1769 static int qemu_shutdown_requested(void)
1771 int r
= shutdown_requested
;
1772 shutdown_requested
= 0;
1776 static void qemu_kill_report(void)
1778 if (!qtest_driver() && shutdown_signal
!= -1) {
1779 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1780 if (shutdown_pid
== 0) {
1781 /* This happens for eg ^C at the terminal, so it's worth
1782 * avoiding printing an odd message in that case.
1784 fputc('\n', stderr
);
1786 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1788 shutdown_signal
= -1;
1792 static int qemu_reset_requested(void)
1794 int r
= reset_requested
;
1795 reset_requested
= 0;
1799 static int qemu_suspend_requested(void)
1801 int r
= suspend_requested
;
1802 suspend_requested
= 0;
1806 static WakeupReason
qemu_wakeup_requested(void)
1808 return wakeup_reason
;
1811 static int qemu_powerdown_requested(void)
1813 int r
= powerdown_requested
;
1814 powerdown_requested
= 0;
1818 static int qemu_debug_requested(void)
1820 int r
= debug_requested
;
1821 debug_requested
= 0;
1825 /* We use RUN_STATE_MAX but any invalid value will do */
1826 static bool qemu_vmstop_requested(RunState
*r
)
1828 if (vmstop_requested
< RUN_STATE_MAX
) {
1829 *r
= vmstop_requested
;
1830 vmstop_requested
= RUN_STATE_MAX
;
1837 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1839 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1842 re
->opaque
= opaque
;
1843 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1846 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1850 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1851 if (re
->func
== func
&& re
->opaque
== opaque
) {
1852 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1859 void qemu_devices_reset(void)
1861 QEMUResetEntry
*re
, *nre
;
1863 /* reset all devices */
1864 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1865 re
->func(re
->opaque
);
1869 void qemu_system_reset(bool report
)
1873 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1875 if (mc
&& mc
->qemu_machine
->reset
) {
1876 mc
->qemu_machine
->reset();
1878 qemu_devices_reset();
1881 monitor_protocol_event(QEVENT_RESET
, NULL
);
1883 cpu_synchronize_all_post_reset();
1886 void qemu_system_reset_request(void)
1889 shutdown_requested
= 1;
1891 reset_requested
= 1;
1894 qemu_notify_event();
1897 static void qemu_system_suspend(void)
1900 notifier_list_notify(&suspend_notifiers
, NULL
);
1901 runstate_set(RUN_STATE_SUSPENDED
);
1902 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1905 void qemu_system_suspend_request(void)
1907 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1910 suspend_requested
= 1;
1912 qemu_notify_event();
1915 void qemu_register_suspend_notifier(Notifier
*notifier
)
1917 notifier_list_add(&suspend_notifiers
, notifier
);
1920 void qemu_system_wakeup_request(WakeupReason reason
)
1922 trace_system_wakeup_request(reason
);
1924 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1927 if (!(wakeup_reason_mask
& (1 << reason
))) {
1930 runstate_set(RUN_STATE_RUNNING
);
1931 wakeup_reason
= reason
;
1932 qemu_notify_event();
1935 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1938 wakeup_reason_mask
|= (1 << reason
);
1940 wakeup_reason_mask
&= ~(1 << reason
);
1944 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1946 notifier_list_add(&wakeup_notifiers
, notifier
);
1949 void qemu_system_killed(int signal
, pid_t pid
)
1951 shutdown_signal
= signal
;
1954 qemu_system_shutdown_request();
1957 void qemu_system_shutdown_request(void)
1959 shutdown_requested
= 1;
1960 qemu_notify_event();
1963 static void qemu_system_powerdown(void)
1965 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1966 notifier_list_notify(&powerdown_notifiers
, NULL
);
1969 void qemu_system_powerdown_request(void)
1971 powerdown_requested
= 1;
1972 qemu_notify_event();
1975 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1977 notifier_list_add(&powerdown_notifiers
, notifier
);
1980 void qemu_system_debug_request(void)
1982 debug_requested
= 1;
1983 qemu_notify_event();
1986 void qemu_system_vmstop_request(RunState state
)
1988 vmstop_requested
= state
;
1989 qemu_notify_event();
1992 static bool main_loop_should_exit(void)
1995 if (qemu_debug_requested()) {
1996 vm_stop(RUN_STATE_DEBUG
);
1998 if (qemu_suspend_requested()) {
1999 qemu_system_suspend();
2001 if (qemu_shutdown_requested()) {
2003 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2005 vm_stop(RUN_STATE_SHUTDOWN
);
2010 if (qemu_reset_requested()) {
2012 cpu_synchronize_all_states();
2013 qemu_system_reset(VMRESET_REPORT
);
2015 if (runstate_needs_reset()) {
2016 runstate_set(RUN_STATE_PAUSED
);
2019 if (qemu_wakeup_requested()) {
2021 cpu_synchronize_all_states();
2022 qemu_system_reset(VMRESET_SILENT
);
2023 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2024 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2026 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2028 if (qemu_powerdown_requested()) {
2029 qemu_system_powerdown();
2031 if (qemu_vmstop_requested(&r
)) {
2037 static void main_loop(void)
2041 #ifdef CONFIG_PROFILER
2045 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2046 #ifdef CONFIG_PROFILER
2047 ti
= profile_getclock();
2049 last_io
= main_loop_wait(nonblocking
);
2050 #ifdef CONFIG_PROFILER
2051 dev_time
+= profile_getclock() - ti
;
2053 } while (!main_loop_should_exit());
2056 static void version(void)
2058 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2061 static void help(int exitcode
)
2064 printf("usage: %s [options] [disk_image]\n\n"
2065 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2066 error_get_progname());
2068 #define QEMU_OPTIONS_GENERATE_HELP
2069 #include "qemu-options-wrapper.h"
2071 printf("\nDuring emulation, the following keys are useful:\n"
2072 "ctrl-alt-f toggle full screen\n"
2073 "ctrl-alt-n switch to virtual console 'n'\n"
2074 "ctrl-alt toggle mouse and keyboard grab\n"
2076 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2081 #define HAS_ARG 0x0001
2083 typedef struct QEMUOption
{
2090 static const QEMUOption qemu_options
[] = {
2091 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2092 #define QEMU_OPTIONS_GENERATE_OPTIONS
2093 #include "qemu-options-wrapper.h"
2097 static bool vga_available(void)
2099 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2102 static bool cirrus_vga_available(void)
2104 return object_class_by_name("cirrus-vga")
2105 || object_class_by_name("isa-cirrus-vga");
2108 static bool vmware_vga_available(void)
2110 return object_class_by_name("vmware-svga");
2113 static bool qxl_vga_available(void)
2115 return object_class_by_name("qxl-vga");
2118 static bool tcx_vga_available(void)
2120 return object_class_by_name("SUNW,tcx");
2123 static bool cg3_vga_available(void)
2125 return object_class_by_name("cgthree");
2128 static void select_vgahw (const char *p
)
2132 assert(vga_interface_type
== VGA_NONE
);
2133 if (strstart(p
, "std", &opts
)) {
2134 if (vga_available()) {
2135 vga_interface_type
= VGA_STD
;
2137 fprintf(stderr
, "Error: standard VGA not available\n");
2140 } else if (strstart(p
, "cirrus", &opts
)) {
2141 if (cirrus_vga_available()) {
2142 vga_interface_type
= VGA_CIRRUS
;
2144 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2147 } else if (strstart(p
, "vmware", &opts
)) {
2148 if (vmware_vga_available()) {
2149 vga_interface_type
= VGA_VMWARE
;
2151 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2154 } else if (strstart(p
, "xenfb", &opts
)) {
2155 vga_interface_type
= VGA_XENFB
;
2156 } else if (strstart(p
, "qxl", &opts
)) {
2157 if (qxl_vga_available()) {
2158 vga_interface_type
= VGA_QXL
;
2160 fprintf(stderr
, "Error: QXL VGA not available\n");
2163 } else if (strstart(p
, "tcx", &opts
)) {
2164 if (tcx_vga_available()) {
2165 vga_interface_type
= VGA_TCX
;
2167 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2170 } else if (strstart(p
, "cg3", &opts
)) {
2171 if (cg3_vga_available()) {
2172 vga_interface_type
= VGA_CG3
;
2174 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2177 } else if (!strstart(p
, "none", &opts
)) {
2179 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2183 const char *nextopt
;
2185 if (strstart(opts
, ",retrace=", &nextopt
)) {
2187 if (strstart(opts
, "dumb", &nextopt
))
2188 vga_retrace_method
= VGA_RETRACE_DUMB
;
2189 else if (strstart(opts
, "precise", &nextopt
))
2190 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2191 else goto invalid_vga
;
2192 } else goto invalid_vga
;
2197 static DisplayType
select_display(const char *p
)
2200 DisplayType display
= DT_DEFAULT
;
2202 if (strstart(p
, "sdl", &opts
)) {
2206 const char *nextopt
;
2208 if (strstart(opts
, ",frame=", &nextopt
)) {
2210 if (strstart(opts
, "on", &nextopt
)) {
2212 } else if (strstart(opts
, "off", &nextopt
)) {
2215 goto invalid_sdl_args
;
2217 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2219 if (strstart(opts
, "on", &nextopt
)) {
2221 } else if (strstart(opts
, "off", &nextopt
)) {
2224 goto invalid_sdl_args
;
2226 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2228 if (strstart(opts
, "on", &nextopt
)) {
2230 } else if (strstart(opts
, "off", &nextopt
)) {
2233 goto invalid_sdl_args
;
2235 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2237 if (strstart(opts
, "on", &nextopt
)) {
2239 } else if (strstart(opts
, "off", &nextopt
)) {
2242 goto invalid_sdl_args
;
2246 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2252 fprintf(stderr
, "SDL support is disabled\n");
2255 } else if (strstart(p
, "vnc", &opts
)) {
2260 const char *nextopt
;
2262 if (strstart(opts
, "=", &nextopt
)) {
2263 vnc_display
= nextopt
;
2267 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2271 fprintf(stderr
, "VNC support is disabled\n");
2274 } else if (strstart(p
, "curses", &opts
)) {
2275 #ifdef CONFIG_CURSES
2276 display
= DT_CURSES
;
2278 fprintf(stderr
, "Curses support is disabled\n");
2281 } else if (strstart(p
, "gtk", &opts
)) {
2285 const char *nextopt
;
2287 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2289 if (strstart(opts
, "on", &nextopt
)) {
2290 grab_on_hover
= true;
2291 } else if (strstart(opts
, "off", &nextopt
)) {
2292 grab_on_hover
= false;
2294 goto invalid_gtk_args
;
2298 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2304 fprintf(stderr
, "GTK support is disabled\n");
2307 } else if (strstart(p
, "none", &opts
)) {
2310 fprintf(stderr
, "Unknown display type: %s\n", p
);
2317 static int balloon_parse(const char *arg
)
2321 if (strcmp(arg
, "none") == 0) {
2325 if (!strncmp(arg
, "virtio", 6)) {
2326 if (arg
[6] == ',') {
2327 /* have params -> parse them */
2328 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2332 /* create empty opts */
2333 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2336 qemu_opt_set(opts
, "driver", "virtio-balloon");
2343 char *qemu_find_file(int type
, const char *name
)
2349 /* Try the name as a straight path first */
2350 if (access(name
, R_OK
) == 0) {
2351 trace_load_file(name
, name
);
2352 return g_strdup(name
);
2356 case QEMU_FILE_TYPE_BIOS
:
2359 case QEMU_FILE_TYPE_KEYMAP
:
2360 subdir
= "keymaps/";
2366 for (i
= 0; i
< data_dir_idx
; i
++) {
2367 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2368 if (access(buf
, R_OK
) == 0) {
2369 trace_load_file(name
, buf
);
2377 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2379 return qdev_device_help(opts
);
2382 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2386 dev
= qdev_device_add(opts
);
2389 object_unref(OBJECT(dev
));
2393 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2395 Error
*local_err
= NULL
;
2397 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2399 error_report("%s", error_get_pretty(local_err
));
2400 error_free(local_err
);
2406 #ifdef CONFIG_VIRTFS
2407 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2410 ret
= qemu_fsdev_add(opts
);
2416 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2418 CharDriverState
*chr
;
2419 const char *chardev
;
2423 mode
= qemu_opt_get(opts
, "mode");
2427 if (strcmp(mode
, "readline") == 0) {
2428 flags
= MONITOR_USE_READLINE
;
2429 } else if (strcmp(mode
, "control") == 0) {
2430 flags
= MONITOR_USE_CONTROL
;
2432 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2436 if (qemu_opt_get_bool(opts
, "pretty", 0))
2437 flags
|= MONITOR_USE_PRETTY
;
2439 if (qemu_opt_get_bool(opts
, "default", 0))
2440 flags
|= MONITOR_IS_DEFAULT
;
2442 chardev
= qemu_opt_get(opts
, "chardev");
2443 chr
= qemu_chr_find(chardev
);
2445 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2449 qemu_chr_fe_claim_no_fail(chr
);
2450 monitor_init(chr
, flags
);
2454 static void monitor_parse(const char *optarg
, const char *mode
)
2456 static int monitor_device_index
= 0;
2462 if (strstart(optarg
, "chardev:", &p
)) {
2463 snprintf(label
, sizeof(label
), "%s", p
);
2465 snprintf(label
, sizeof(label
), "compat_monitor%d",
2466 monitor_device_index
);
2467 if (monitor_device_index
== 0) {
2470 opts
= qemu_chr_parse_compat(label
, optarg
);
2472 fprintf(stderr
, "parse error: %s\n", optarg
);
2477 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2479 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2482 qemu_opt_set(opts
, "mode", mode
);
2483 qemu_opt_set(opts
, "chardev", label
);
2485 qemu_opt_set(opts
, "default", "on");
2486 monitor_device_index
++;
2489 struct device_config
{
2491 DEV_USB
, /* -usbdevice */
2493 DEV_SERIAL
, /* -serial */
2494 DEV_PARALLEL
, /* -parallel */
2495 DEV_VIRTCON
, /* -virtioconsole */
2496 DEV_DEBUGCON
, /* -debugcon */
2497 DEV_GDB
, /* -gdb, -s */
2498 DEV_SCLP
, /* s390 sclp */
2500 const char *cmdline
;
2502 QTAILQ_ENTRY(device_config
) next
;
2505 static QTAILQ_HEAD(, device_config
) device_configs
=
2506 QTAILQ_HEAD_INITIALIZER(device_configs
);
2508 static void add_device_config(int type
, const char *cmdline
)
2510 struct device_config
*conf
;
2512 conf
= g_malloc0(sizeof(*conf
));
2514 conf
->cmdline
= cmdline
;
2515 loc_save(&conf
->loc
);
2516 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2519 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2521 struct device_config
*conf
;
2524 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2525 if (conf
->type
!= type
)
2527 loc_push_restore(&conf
->loc
);
2528 rc
= func(conf
->cmdline
);
2529 loc_pop(&conf
->loc
);
2536 static int serial_parse(const char *devname
)
2538 static int index
= 0;
2541 if (strcmp(devname
, "none") == 0)
2543 if (index
== MAX_SERIAL_PORTS
) {
2544 fprintf(stderr
, "qemu: too many serial ports\n");
2547 snprintf(label
, sizeof(label
), "serial%d", index
);
2548 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2549 if (!serial_hds
[index
]) {
2550 fprintf(stderr
, "qemu: could not connect serial device"
2551 " to character backend '%s'\n", devname
);
2558 static int parallel_parse(const char *devname
)
2560 static int index
= 0;
2563 if (strcmp(devname
, "none") == 0)
2565 if (index
== MAX_PARALLEL_PORTS
) {
2566 fprintf(stderr
, "qemu: too many parallel ports\n");
2569 snprintf(label
, sizeof(label
), "parallel%d", index
);
2570 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2571 if (!parallel_hds
[index
]) {
2572 fprintf(stderr
, "qemu: could not connect parallel device"
2573 " to character backend '%s'\n", devname
);
2580 static int virtcon_parse(const char *devname
)
2582 QemuOptsList
*device
= qemu_find_opts("device");
2583 static int index
= 0;
2585 QemuOpts
*bus_opts
, *dev_opts
;
2587 if (strcmp(devname
, "none") == 0)
2589 if (index
== MAX_VIRTIO_CONSOLES
) {
2590 fprintf(stderr
, "qemu: too many virtio consoles\n");
2594 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2595 if (arch_type
== QEMU_ARCH_S390X
) {
2596 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2598 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2601 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2602 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2604 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2605 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2606 if (!virtcon_hds
[index
]) {
2607 fprintf(stderr
, "qemu: could not connect virtio console"
2608 " to character backend '%s'\n", devname
);
2611 qemu_opt_set(dev_opts
, "chardev", label
);
2617 static int sclp_parse(const char *devname
)
2619 QemuOptsList
*device
= qemu_find_opts("device");
2620 static int index
= 0;
2624 if (strcmp(devname
, "none") == 0) {
2627 if (index
== MAX_SCLP_CONSOLES
) {
2628 fprintf(stderr
, "qemu: too many sclp consoles\n");
2632 assert(arch_type
== QEMU_ARCH_S390X
);
2634 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2635 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2637 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2638 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2639 if (!sclp_hds
[index
]) {
2640 fprintf(stderr
, "qemu: could not connect sclp console"
2641 " to character backend '%s'\n", devname
);
2644 qemu_opt_set(dev_opts
, "chardev", label
);
2650 static int debugcon_parse(const char *devname
)
2654 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2657 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2659 fprintf(stderr
, "qemu: already have a debugcon device\n");
2662 qemu_opt_set(opts
, "driver", "isa-debugcon");
2663 qemu_opt_set(opts
, "chardev", "debugcon");
2667 static MachineClass
*machine_parse(const char *name
)
2669 MachineClass
*mc
= NULL
;
2670 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2673 mc
= find_machine(name
);
2678 if (name
&& !is_help_option(name
)) {
2679 error_report("Unsupported machine type");
2680 error_printf("Use -machine help to list supported machines!\n");
2682 printf("Supported machines are:\n");
2683 for (el
= machines
; el
; el
= el
->next
) {
2684 MachineClass
*mc
= el
->data
;
2685 QEMUMachine
*m
= mc
->qemu_machine
;
2687 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2689 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2690 m
->is_default
? " (default)" : "");
2694 g_slist_free(machines
);
2695 exit(!name
|| !is_help_option(name
));
2698 static int tcg_init(QEMUMachine
*machine
)
2700 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2705 const char *opt_name
;
2707 int (*available
)(void);
2708 int (*init
)(QEMUMachine
*);
2711 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2712 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2713 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2714 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2717 static int configure_accelerator(QEMUMachine
*machine
)
2722 bool accel_initialised
= false;
2723 bool init_failed
= false;
2725 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2727 /* Use the default "accelerator", tcg */
2731 while (!accel_initialised
&& *p
!= '\0') {
2735 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2736 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2737 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2738 if (!accel_list
[i
].available()) {
2739 printf("%s not supported for this target\n",
2740 accel_list
[i
].name
);
2743 *(accel_list
[i
].allowed
) = true;
2744 ret
= accel_list
[i
].init(machine
);
2747 fprintf(stderr
, "failed to initialize %s: %s\n",
2750 *(accel_list
[i
].allowed
) = false;
2752 accel_initialised
= true;
2757 if (i
== ARRAY_SIZE(accel_list
)) {
2758 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2762 if (!accel_initialised
) {
2764 fprintf(stderr
, "No accelerator found!\n");
2770 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2773 return !accel_initialised
;
2776 void qemu_add_exit_notifier(Notifier
*notify
)
2778 notifier_list_add(&exit_notifiers
, notify
);
2781 void qemu_remove_exit_notifier(Notifier
*notify
)
2783 notifier_remove(notify
);
2786 static void qemu_run_exit_notifiers(void)
2788 notifier_list_notify(&exit_notifiers
, NULL
);
2791 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2793 notifier_list_add(&machine_init_done_notifiers
, notify
);
2796 static void qemu_run_machine_init_done_notifiers(void)
2798 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2801 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2802 const char **poptarg
, int *poptind
)
2804 const QEMUOption
*popt
;
2805 int optind
= *poptind
;
2806 char *r
= argv
[optind
];
2809 loc_set_cmdline(argv
, optind
, 1);
2811 /* Treat --foo the same as -foo. */
2814 popt
= qemu_options
;
2817 error_report("invalid option");
2820 if (!strcmp(popt
->name
, r
+ 1))
2824 if (popt
->flags
& HAS_ARG
) {
2825 if (optind
>= argc
) {
2826 error_report("requires an argument");
2829 optarg
= argv
[optind
++];
2830 loc_set_cmdline(argv
, optind
- 2, 2);
2841 static gpointer
malloc_and_trace(gsize n_bytes
)
2843 void *ptr
= malloc(n_bytes
);
2844 trace_g_malloc(n_bytes
, ptr
);
2848 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2850 void *ptr
= realloc(mem
, n_bytes
);
2851 trace_g_realloc(mem
, n_bytes
, ptr
);
2855 static void free_and_trace(gpointer mem
)
2861 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2863 Object
*obj
= OBJECT(opaque
);
2864 StringInputVisitor
*siv
;
2865 Error
*local_err
= NULL
;
2867 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2871 siv
= string_input_visitor_new(value
);
2872 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2873 string_input_visitor_cleanup(siv
);
2876 qerror_report_err(local_err
);
2877 error_free(local_err
);
2884 static int object_create(QemuOpts
*opts
, void *opaque
)
2886 const char *type
= qemu_opt_get(opts
, "qom-type");
2887 const char *id
= qemu_opts_id(opts
);
2888 Error
*local_err
= NULL
;
2891 g_assert(type
!= NULL
);
2894 qerror_report(QERR_MISSING_PARAMETER
, "id");
2898 obj
= object_new(type
);
2899 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2904 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2905 error_setg(&local_err
, "object '%s' isn't supported by -object",
2910 user_creatable_complete(obj
, &local_err
);
2915 object_property_add_child(container_get(object_get_root(), "/objects"),
2916 id
, obj
, &local_err
);
2921 qerror_report_err(local_err
);
2922 error_free(local_err
);
2928 int main(int argc
, char **argv
, char **envp
)
2931 int snapshot
, linux_boot
;
2932 const char *icount_option
= NULL
;
2933 const char *initrd_filename
;
2934 const char *kernel_filename
, *kernel_cmdline
;
2935 const char *boot_order
;
2937 int cyls
, heads
, secs
, translation
;
2938 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2939 QemuOptsList
*olist
;
2942 const char *loadvm
= NULL
;
2943 MachineClass
*machine_class
;
2944 QEMUMachine
*machine
;
2945 const char *cpu_model
;
2946 const char *vga_model
= NULL
;
2947 const char *qtest_chrdev
= NULL
;
2948 const char *qtest_log
= NULL
;
2949 const char *pid_file
= NULL
;
2950 const char *incoming
= NULL
;
2952 int show_vnc_port
= 0;
2954 bool defconfig
= true;
2955 bool userconfig
= true;
2956 const char *log_mask
= NULL
;
2957 const char *log_file
= NULL
;
2958 GMemVTable mem_trace
= {
2959 .malloc
= malloc_and_trace
,
2960 .realloc
= realloc_and_trace
,
2961 .free
= free_and_trace
,
2963 const char *trace_events
= NULL
;
2964 const char *trace_file
= NULL
;
2966 atexit(qemu_run_exit_notifiers
);
2967 error_set_progname(argv
[0]);
2968 qemu_init_exec_dir(argv
[0]);
2970 g_mem_set_vtable(&mem_trace
);
2971 if (!g_thread_supported()) {
2972 #if !GLIB_CHECK_VERSION(2, 31, 0)
2973 g_thread_init(NULL
);
2975 fprintf(stderr
, "glib threading failed to initialize.\n");
2980 module_call_init(MODULE_INIT_QOM
);
2982 qemu_add_opts(&qemu_drive_opts
);
2983 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2984 qemu_add_drive_opts(&qemu_common_drive_opts
);
2985 qemu_add_drive_opts(&qemu_drive_opts
);
2986 qemu_add_opts(&qemu_chardev_opts
);
2987 qemu_add_opts(&qemu_device_opts
);
2988 qemu_add_opts(&qemu_netdev_opts
);
2989 qemu_add_opts(&qemu_net_opts
);
2990 qemu_add_opts(&qemu_rtc_opts
);
2991 qemu_add_opts(&qemu_global_opts
);
2992 qemu_add_opts(&qemu_mon_opts
);
2993 qemu_add_opts(&qemu_trace_opts
);
2994 qemu_add_opts(&qemu_option_rom_opts
);
2995 qemu_add_opts(&qemu_machine_opts
);
2996 qemu_add_opts(&qemu_smp_opts
);
2997 qemu_add_opts(&qemu_boot_opts
);
2998 qemu_add_opts(&qemu_sandbox_opts
);
2999 qemu_add_opts(&qemu_add_fd_opts
);
3000 qemu_add_opts(&qemu_object_opts
);
3001 qemu_add_opts(&qemu_tpmdev_opts
);
3002 qemu_add_opts(&qemu_realtime_opts
);
3003 qemu_add_opts(&qemu_msg_opts
);
3004 qemu_add_opts(&qemu_name_opts
);
3009 rtc_clock
= QEMU_CLOCK_HOST
;
3011 qemu_init_auxval(envp
);
3012 qemu_cache_utils_init();
3014 QLIST_INIT (&vm_change_state_head
);
3015 os_setup_early_signal_handling();
3017 module_call_init(MODULE_INIT_MACHINE
);
3018 machine_class
= find_default_machine();
3022 cyls
= heads
= secs
= 0;
3023 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3025 for (i
= 0; i
< MAX_NODES
; i
++) {
3027 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
3033 bdrv_init_with_whitelist();
3037 /* first pass of option parsing */
3039 while (optind
< argc
) {
3040 if (argv
[optind
][0] != '-') {
3045 const QEMUOption
*popt
;
3047 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3048 switch (popt
->index
) {
3049 case QEMU_OPTION_nodefconfig
:
3052 case QEMU_OPTION_nouserconfig
:
3061 ret
= qemu_read_default_config_files(userconfig
);
3067 /* second pass of option parsing */
3072 if (argv
[optind
][0] != '-') {
3073 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3075 const QEMUOption
*popt
;
3077 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3078 if (!(popt
->arch_mask
& arch_type
)) {
3079 printf("Option %s not supported for this target\n", popt
->name
);
3082 switch(popt
->index
) {
3084 machine_class
= machine_parse(optarg
);
3086 case QEMU_OPTION_no_kvm_irqchip
: {
3087 olist
= qemu_find_opts("machine");
3088 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3091 case QEMU_OPTION_cpu
:
3092 /* hw initialization will check this */
3095 case QEMU_OPTION_hda
:
3099 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3101 snprintf(buf
, sizeof(buf
),
3102 "%s,cyls=%d,heads=%d,secs=%d%s",
3103 HD_OPTS
, cyls
, heads
, secs
,
3104 translation
== BIOS_ATA_TRANSLATION_LBA
?
3106 translation
== BIOS_ATA_TRANSLATION_NONE
?
3107 ",trans=none" : "");
3108 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3111 case QEMU_OPTION_hdb
:
3112 case QEMU_OPTION_hdc
:
3113 case QEMU_OPTION_hdd
:
3114 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3117 case QEMU_OPTION_drive
:
3118 if (drive_def(optarg
) == NULL
) {
3122 case QEMU_OPTION_set
:
3123 if (qemu_set_option(optarg
) != 0)
3126 case QEMU_OPTION_global
:
3127 if (qemu_global_option(optarg
) != 0)
3130 case QEMU_OPTION_mtdblock
:
3131 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3133 case QEMU_OPTION_sd
:
3134 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3136 case QEMU_OPTION_pflash
:
3137 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3139 case QEMU_OPTION_snapshot
:
3142 case QEMU_OPTION_hdachs
:
3146 cyls
= strtol(p
, (char **)&p
, 0);
3147 if (cyls
< 1 || cyls
> 16383)
3152 heads
= strtol(p
, (char **)&p
, 0);
3153 if (heads
< 1 || heads
> 16)
3158 secs
= strtol(p
, (char **)&p
, 0);
3159 if (secs
< 1 || secs
> 63)
3163 if (!strcmp(p
, "large")) {
3164 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3165 } else if (!strcmp(p
, "rechs")) {
3166 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3167 } else if (!strcmp(p
, "none")) {
3168 translation
= BIOS_ATA_TRANSLATION_NONE
;
3169 } else if (!strcmp(p
, "lba")) {
3170 translation
= BIOS_ATA_TRANSLATION_LBA
;
3171 } else if (!strcmp(p
, "auto")) {
3172 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3176 } else if (*p
!= '\0') {
3178 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3181 if (hda_opts
!= NULL
) {
3183 snprintf(num
, sizeof(num
), "%d", cyls
);
3184 qemu_opt_set(hda_opts
, "cyls", num
);
3185 snprintf(num
, sizeof(num
), "%d", heads
);
3186 qemu_opt_set(hda_opts
, "heads", num
);
3187 snprintf(num
, sizeof(num
), "%d", secs
);
3188 qemu_opt_set(hda_opts
, "secs", num
);
3189 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3190 qemu_opt_set(hda_opts
, "trans", "large");
3191 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3192 qemu_opt_set(hda_opts
, "trans", "rechs");
3193 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3194 qemu_opt_set(hda_opts
, "trans", "lba");
3195 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3196 qemu_opt_set(hda_opts
, "trans", "none");
3201 case QEMU_OPTION_numa
:
3204 case QEMU_OPTION_display
:
3205 display_type
= select_display(optarg
);
3207 case QEMU_OPTION_nographic
:
3208 display_type
= DT_NOGRAPHIC
;
3210 case QEMU_OPTION_curses
:
3211 #ifdef CONFIG_CURSES
3212 display_type
= DT_CURSES
;
3214 fprintf(stderr
, "Curses support is disabled\n");
3218 case QEMU_OPTION_portrait
:
3219 graphic_rotate
= 90;
3221 case QEMU_OPTION_rotate
:
3222 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3223 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3224 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3226 "qemu: only 90, 180, 270 deg rotation is available\n");
3230 case QEMU_OPTION_kernel
:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3233 case QEMU_OPTION_initrd
:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3236 case QEMU_OPTION_append
:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3239 case QEMU_OPTION_dtb
:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3242 case QEMU_OPTION_cdrom
:
3243 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3245 case QEMU_OPTION_boot
:
3246 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3251 case QEMU_OPTION_fda
:
3252 case QEMU_OPTION_fdb
:
3253 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3256 case QEMU_OPTION_no_fd_bootchk
:
3259 case QEMU_OPTION_netdev
:
3260 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3264 case QEMU_OPTION_net
:
3265 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3269 #ifdef CONFIG_LIBISCSI
3270 case QEMU_OPTION_iscsi
:
3271 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3278 case QEMU_OPTION_tftp
:
3279 legacy_tftp_prefix
= optarg
;
3281 case QEMU_OPTION_bootp
:
3282 legacy_bootp_filename
= optarg
;
3284 case QEMU_OPTION_redir
:
3285 if (net_slirp_redir(optarg
) < 0)
3289 case QEMU_OPTION_bt
:
3290 add_device_config(DEV_BT
, optarg
);
3292 case QEMU_OPTION_audio_help
:
3296 case QEMU_OPTION_soundhw
:
3297 select_soundhw (optarg
);
3302 case QEMU_OPTION_version
:
3306 case QEMU_OPTION_m
: {
3311 value
= strtosz(optarg
, &end
);
3312 if (value
< 0 || *end
) {
3313 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3316 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3318 if (ram_size
!= sz
) {
3319 fprintf(stderr
, "qemu: ram size too large\n");
3325 case QEMU_OPTION_tpmdev
:
3326 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3331 case QEMU_OPTION_mempath
:
3334 case QEMU_OPTION_mem_prealloc
:
3344 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3346 case QEMU_OPTION_gdb
:
3347 add_device_config(DEV_GDB
, optarg
);
3350 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3351 data_dir
[data_dir_idx
++] = optarg
;
3354 case QEMU_OPTION_bios
:
3355 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3357 case QEMU_OPTION_singlestep
:
3364 keyboard_layout
= optarg
;
3366 case QEMU_OPTION_localtime
:
3369 case QEMU_OPTION_vga
:
3378 w
= strtol(p
, (char **)&p
, 10);
3381 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3387 h
= strtol(p
, (char **)&p
, 10);
3392 depth
= strtol(p
, (char **)&p
, 10);
3393 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3394 depth
!= 24 && depth
!= 32)
3396 } else if (*p
== '\0') {
3397 depth
= graphic_depth
;
3404 graphic_depth
= depth
;
3407 case QEMU_OPTION_echr
:
3410 term_escape_char
= strtol(optarg
, &r
, 0);
3412 printf("Bad argument to echr\n");
3415 case QEMU_OPTION_monitor
:
3416 default_monitor
= 0;
3417 if (strncmp(optarg
, "none", 4)) {
3418 monitor_parse(optarg
, "readline");
3421 case QEMU_OPTION_qmp
:
3422 monitor_parse(optarg
, "control");
3423 default_monitor
= 0;
3425 case QEMU_OPTION_mon
:
3426 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3430 default_monitor
= 0;
3432 case QEMU_OPTION_chardev
:
3433 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3438 case QEMU_OPTION_fsdev
:
3439 olist
= qemu_find_opts("fsdev");
3441 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3444 opts
= qemu_opts_parse(olist
, optarg
, 1);
3449 case QEMU_OPTION_virtfs
: {
3452 const char *writeout
, *sock_fd
, *socket
;
3454 olist
= qemu_find_opts("virtfs");
3456 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3459 opts
= qemu_opts_parse(olist
, optarg
, 1);
3464 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3465 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3466 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3469 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3470 qemu_opt_get(opts
, "mount_tag"),
3473 fprintf(stderr
, "duplicate fsdev id: %s\n",
3474 qemu_opt_get(opts
, "mount_tag"));
3478 writeout
= qemu_opt_get(opts
, "writeout");
3480 #ifdef CONFIG_SYNC_FILE_RANGE
3481 qemu_opt_set(fsdev
, "writeout", writeout
);
3483 fprintf(stderr
, "writeout=immediate not supported on "
3488 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3489 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3490 qemu_opt_set(fsdev
, "security_model",
3491 qemu_opt_get(opts
, "security_model"));
3492 socket
= qemu_opt_get(opts
, "socket");
3494 qemu_opt_set(fsdev
, "socket", socket
);
3496 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3498 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3501 qemu_opt_set_bool(fsdev
, "readonly",
3502 qemu_opt_get_bool(opts
, "readonly", 0));
3503 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3505 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3506 qemu_opt_set(device
, "fsdev",
3507 qemu_opt_get(opts
, "mount_tag"));
3508 qemu_opt_set(device
, "mount_tag",
3509 qemu_opt_get(opts
, "mount_tag"));
3512 case QEMU_OPTION_virtfs_synth
: {
3516 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3519 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3522 qemu_opt_set(fsdev
, "fsdriver", "synth");
3524 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3526 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3527 qemu_opt_set(device
, "fsdev", "v_synth");
3528 qemu_opt_set(device
, "mount_tag", "v_synth");
3531 case QEMU_OPTION_serial
:
3532 add_device_config(DEV_SERIAL
, optarg
);
3534 if (strncmp(optarg
, "mon:", 4) == 0) {
3535 default_monitor
= 0;
3538 case QEMU_OPTION_watchdog
:
3541 "qemu: only one watchdog option may be given\n");
3546 case QEMU_OPTION_watchdog_action
:
3547 if (select_watchdog_action(optarg
) == -1) {
3548 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3552 case QEMU_OPTION_virtiocon
:
3553 add_device_config(DEV_VIRTCON
, optarg
);
3554 default_virtcon
= 0;
3555 if (strncmp(optarg
, "mon:", 4) == 0) {
3556 default_monitor
= 0;
3559 case QEMU_OPTION_parallel
:
3560 add_device_config(DEV_PARALLEL
, optarg
);
3561 default_parallel
= 0;
3562 if (strncmp(optarg
, "mon:", 4) == 0) {
3563 default_monitor
= 0;
3566 case QEMU_OPTION_debugcon
:
3567 add_device_config(DEV_DEBUGCON
, optarg
);
3569 case QEMU_OPTION_loadvm
:
3572 case QEMU_OPTION_full_screen
:
3575 case QEMU_OPTION_no_frame
:
3578 case QEMU_OPTION_alt_grab
:
3581 case QEMU_OPTION_ctrl_grab
:
3584 case QEMU_OPTION_no_quit
:
3587 case QEMU_OPTION_sdl
:
3589 display_type
= DT_SDL
;
3592 fprintf(stderr
, "SDL support is disabled\n");
3595 case QEMU_OPTION_pidfile
:
3598 case QEMU_OPTION_win2k_hack
:
3599 win2k_install_hack
= 1;
3601 case QEMU_OPTION_rtc_td_hack
: {
3602 static GlobalProperty slew_lost_ticks
[] = {
3604 .driver
= "mc146818rtc",
3605 .property
= "lost_tick_policy",
3608 { /* end of list */ }
3611 qdev_prop_register_global_list(slew_lost_ticks
);
3614 case QEMU_OPTION_acpitable
:
3615 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3619 do_acpitable_option(opts
);
3621 case QEMU_OPTION_smbios
:
3622 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3626 do_smbios_option(opts
);
3628 case QEMU_OPTION_enable_kvm
:
3629 olist
= qemu_find_opts("machine");
3630 qemu_opts_parse(olist
, "accel=kvm", 0);
3632 case QEMU_OPTION_machine
:
3633 olist
= qemu_find_opts("machine");
3634 opts
= qemu_opts_parse(olist
, optarg
, 1);
3638 optarg
= qemu_opt_get(opts
, "type");
3640 machine_class
= machine_parse(optarg
);
3643 case QEMU_OPTION_no_kvm
:
3644 olist
= qemu_find_opts("machine");
3645 qemu_opts_parse(olist
, "accel=tcg", 0);
3647 case QEMU_OPTION_no_kvm_pit
: {
3648 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3652 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3653 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3655 .driver
= "kvm-pit",
3656 .property
= "lost_tick_policy",
3659 { /* end of list */ }
3662 fprintf(stderr
, "Warning: option deprecated, use "
3663 "lost_tick_policy property of kvm-pit instead.\n");
3664 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3667 case QEMU_OPTION_usb
:
3668 olist
= qemu_find_opts("machine");
3669 qemu_opts_parse(olist
, "usb=on", 0);
3671 case QEMU_OPTION_usbdevice
:
3672 olist
= qemu_find_opts("machine");
3673 qemu_opts_parse(olist
, "usb=on", 0);
3674 add_device_config(DEV_USB
, optarg
);
3676 case QEMU_OPTION_device
:
3677 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3681 case QEMU_OPTION_smp
:
3682 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3686 case QEMU_OPTION_vnc
:
3689 vnc_display
= optarg
;
3691 fprintf(stderr
, "VNC support is disabled\n");
3695 case QEMU_OPTION_no_acpi
:
3698 case QEMU_OPTION_no_hpet
:
3701 case QEMU_OPTION_balloon
:
3702 if (balloon_parse(optarg
) < 0) {
3703 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3707 case QEMU_OPTION_no_reboot
:
3710 case QEMU_OPTION_no_shutdown
:
3713 case QEMU_OPTION_show_cursor
:
3716 case QEMU_OPTION_uuid
:
3717 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3718 fprintf(stderr
, "Fail to parse UUID string."
3719 " Wrong format.\n");
3722 qemu_uuid_set
= true;
3724 case QEMU_OPTION_option_rom
:
3725 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3726 fprintf(stderr
, "Too many option ROMs\n");
3729 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3733 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3734 option_rom
[nb_option_roms
].bootindex
=
3735 qemu_opt_get_number(opts
, "bootindex", -1);
3736 if (!option_rom
[nb_option_roms
].name
) {
3737 fprintf(stderr
, "Option ROM file is not specified\n");
3742 case QEMU_OPTION_semihosting
:
3743 semihosting_enabled
= 1;
3745 case QEMU_OPTION_tdf
:
3746 fprintf(stderr
, "Warning: user space PIT time drift fix "
3747 "is no longer supported.\n");
3749 case QEMU_OPTION_name
:
3750 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3756 case QEMU_OPTION_prom_env
:
3757 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3758 fprintf(stderr
, "Too many prom variables\n");
3761 prom_envs
[nb_prom_envs
] = optarg
;
3764 case QEMU_OPTION_old_param
:
3767 case QEMU_OPTION_clock
:
3768 /* Clock options no longer exist. Keep this option for
3769 * backward compatibility.
3772 case QEMU_OPTION_startdate
:
3773 configure_rtc_date_offset(optarg
, 1);
3775 case QEMU_OPTION_rtc
:
3776 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3780 configure_rtc(opts
);
3782 case QEMU_OPTION_tb_size
:
3783 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3784 if (tcg_tb_size
< 0) {
3788 case QEMU_OPTION_icount
:
3789 icount_option
= optarg
;
3791 case QEMU_OPTION_incoming
:
3793 runstate_set(RUN_STATE_INMIGRATE
);
3795 case QEMU_OPTION_nodefaults
:
3798 case QEMU_OPTION_xen_domid
:
3799 if (!(xen_available())) {
3800 printf("Option %s not supported for this target\n", popt
->name
);
3803 xen_domid
= atoi(optarg
);
3805 case QEMU_OPTION_xen_create
:
3806 if (!(xen_available())) {
3807 printf("Option %s not supported for this target\n", popt
->name
);
3810 xen_mode
= XEN_CREATE
;
3812 case QEMU_OPTION_xen_attach
:
3813 if (!(xen_available())) {
3814 printf("Option %s not supported for this target\n", popt
->name
);
3817 xen_mode
= XEN_ATTACH
;
3819 case QEMU_OPTION_trace
:
3821 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3825 trace_events
= qemu_opt_get(opts
, "events");
3826 trace_file
= qemu_opt_get(opts
, "file");
3829 case QEMU_OPTION_readconfig
:
3831 int ret
= qemu_read_config_file(optarg
);
3833 fprintf(stderr
, "read config %s: %s\n", optarg
,
3839 case QEMU_OPTION_spice
:
3840 olist
= qemu_find_opts("spice");
3842 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3845 opts
= qemu_opts_parse(olist
, optarg
, 0);
3851 case QEMU_OPTION_writeconfig
:
3854 if (strcmp(optarg
, "-") == 0) {
3857 fp
= fopen(optarg
, "w");
3859 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3863 qemu_config_write(fp
);
3867 case QEMU_OPTION_qtest
:
3868 qtest_chrdev
= optarg
;
3870 case QEMU_OPTION_qtest_log
:
3873 case QEMU_OPTION_sandbox
:
3874 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3879 case QEMU_OPTION_add_fd
:
3881 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3886 error_report("File descriptor passing is disabled on this "
3891 case QEMU_OPTION_object
:
3892 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3897 case QEMU_OPTION_realtime
:
3898 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3902 configure_realtime(opts
);
3904 case QEMU_OPTION_msg
:
3905 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3909 configure_msg(opts
);
3912 os_parse_cmd_args(popt
->index
, optarg
);
3918 if (qemu_init_main_loop()) {
3919 fprintf(stderr
, "qemu_init_main_loop failed\n");
3923 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3928 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3932 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3937 if (machine_class
== NULL
) {
3938 fprintf(stderr
, "No machine found.\n");
3942 current_machine
= MACHINE(object_new(object_class_get_name(
3943 OBJECT_CLASS(machine_class
))));
3944 object_property_add_child(object_get_root(), "machine",
3945 OBJECT(current_machine
), &error_abort
);
3947 machine
= machine_class
->qemu_machine
;
3948 if (machine
->hw_version
) {
3949 qemu_set_version(machine
->hw_version
);
3952 if (qemu_opts_foreach(qemu_find_opts("object"),
3953 object_create
, NULL
, 0) != 0) {
3957 /* Init CPU def lists, based on config
3958 * - Must be called after all the qemu_read_config_file() calls
3959 * - Must be called before list_cpus()
3960 * - Must be called before machine->init()
3964 if (cpu_model
&& is_help_option(cpu_model
)) {
3965 list_cpus(stdout
, &fprintf
, cpu_model
);
3969 /* Open the logfile at this point, if necessary. We can't open the logfile
3970 * when encountering either of the logging options (-d or -D) because the
3971 * other one may be encountered later on the command line, changing the
3972 * location or level of logging.
3977 qemu_set_log_filename(log_file
);
3980 mask
= qemu_str_to_log_mask(log_mask
);
3982 qemu_print_log_usage(stdout
);
3988 if (!is_daemonized()) {
3989 if (!trace_backend_init(trace_events
, trace_file
)) {
3994 /* If no data_dir is specified then try to find it relative to the
3996 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3997 data_dir
[data_dir_idx
] = os_find_datadir();
3998 if (data_dir
[data_dir_idx
] != NULL
) {
4002 /* If all else fails use the install path specified when building. */
4003 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
4004 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4007 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4009 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
4010 if (smp_cpus
> machine
->max_cpus
) {
4011 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4012 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
4018 * Get the default machine options from the machine if it is not already
4019 * specified either by the configuration file or by the command line.
4021 if (machine
->default_machine_opts
) {
4022 qemu_opts_set_defaults(qemu_find_opts("machine"),
4023 machine
->default_machine_opts
, 0);
4026 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4027 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4029 if (!vga_model
&& !default_vga
) {
4030 vga_interface_type
= VGA_DEVICE
;
4032 if (!has_defaults
|| machine
->no_serial
) {
4035 if (!has_defaults
|| machine
->no_parallel
) {
4036 default_parallel
= 0;
4038 if (!has_defaults
|| !machine
->use_virtcon
) {
4039 default_virtcon
= 0;
4041 if (!has_defaults
|| !machine
->use_sclp
) {
4044 if (!has_defaults
|| machine
->no_floppy
) {
4047 if (!has_defaults
|| machine
->no_cdrom
) {
4050 if (!has_defaults
|| machine
->no_sdcard
) {
4053 if (!has_defaults
) {
4054 default_monitor
= 0;
4059 if (is_daemonized()) {
4060 /* According to documentation and historically, -nographic redirects
4061 * serial port, parallel port and monitor to stdio, which does not work
4062 * with -daemonize. We can redirect these to null instead, but since
4063 * -nographic is legacy, let's just error out.
4064 * We disallow -nographic only if all other ports are not redirected
4065 * explicitly, to not break existing legacy setups which uses
4066 * -nographic _and_ redirects all ports explicitly - this is valid
4067 * usage, -nographic is just a no-op in this case.
4069 if (display_type
== DT_NOGRAPHIC
4070 && (default_parallel
|| default_serial
4071 || default_monitor
|| default_virtcon
)) {
4072 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4075 #ifdef CONFIG_CURSES
4076 if (display_type
== DT_CURSES
) {
4077 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4083 if (display_type
== DT_NOGRAPHIC
) {
4084 if (default_parallel
)
4085 add_device_config(DEV_PARALLEL
, "null");
4086 if (default_serial
&& default_monitor
) {
4087 add_device_config(DEV_SERIAL
, "mon:stdio");
4088 } else if (default_virtcon
&& default_monitor
) {
4089 add_device_config(DEV_VIRTCON
, "mon:stdio");
4090 } else if (default_sclp
&& default_monitor
) {
4091 add_device_config(DEV_SCLP
, "mon:stdio");
4094 add_device_config(DEV_SERIAL
, "stdio");
4095 if (default_virtcon
)
4096 add_device_config(DEV_VIRTCON
, "stdio");
4098 add_device_config(DEV_SCLP
, "stdio");
4100 if (default_monitor
)
4101 monitor_parse("stdio", "readline");
4105 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4106 if (default_parallel
)
4107 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4108 if (default_monitor
)
4109 monitor_parse("vc:80Cx24C", "readline");
4110 if (default_virtcon
)
4111 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4113 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4117 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4118 #if defined(CONFIG_GTK)
4119 display_type
= DT_GTK
;
4120 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4121 display_type
= DT_SDL
;
4122 #elif defined(CONFIG_VNC)
4123 vnc_display
= "localhost:0,to=99";
4126 display_type
= DT_NONE
;
4130 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4131 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4132 "for SDL, ignoring option\n");
4134 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4135 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4136 "ignoring option\n");
4139 #if defined(CONFIG_GTK)
4140 if (display_type
== DT_GTK
) {
4141 early_gtk_display_init();
4147 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4149 #ifdef CONFIG_VIRTFS
4150 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4157 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4162 /* init the memory */
4163 if (ram_size
== 0) {
4164 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4167 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4172 configure_accelerator(machine
);
4175 Error
*local_err
= NULL
;
4176 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4178 error_report("%s", error_get_pretty(local_err
));
4179 error_free(local_err
);
4184 machine_opts
= qemu_get_machine_opts();
4185 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4186 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4187 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4188 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4190 boot_order
= machine
->default_boot_order
;
4191 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4193 char *normal_boot_order
;
4194 const char *order
, *once
;
4196 order
= qemu_opt_get(opts
, "order");
4198 validate_bootdevices(order
);
4202 once
= qemu_opt_get(opts
, "once");
4204 validate_bootdevices(once
);
4205 normal_boot_order
= g_strdup(boot_order
);
4207 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4210 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4211 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4214 if (!kernel_cmdline
) {
4215 kernel_cmdline
= "";
4218 linux_boot
= (kernel_filename
!= NULL
);
4220 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4221 fprintf(stderr
, "-append only allowed with -kernel option\n");
4225 if (!linux_boot
&& initrd_filename
!= NULL
) {
4226 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4230 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4231 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4235 os_set_line_buffering();
4237 qemu_init_cpu_loop();
4238 qemu_mutex_lock_iothread();
4241 /* spice needs the timers to be initialized by this point */
4245 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4246 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4249 configure_icount(icount_option
);
4251 /* clean up network at qemu process termination */
4252 atexit(&net_cleanup
);
4254 if (net_init_clients() < 0) {
4259 if (tpm_init() < 0) {
4264 /* init the bluetooth world */
4265 if (foreach_device_config(DEV_BT
, bt_parse
))
4268 if (!xen_enabled()) {
4269 /* On 32-bit hosts, QEMU is limited by virtual address space */
4270 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4271 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4276 cpu_exec_init_all();
4280 /* open the virtual block devices */
4282 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4283 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4284 &machine
->block_default_type
, 1) != 0) {
4288 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4290 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4291 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4293 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4295 if (nb_numa_nodes
> 0) {
4298 if (nb_numa_nodes
> MAX_NODES
) {
4299 nb_numa_nodes
= MAX_NODES
;
4302 /* If no memory size if given for any node, assume the default case
4303 * and distribute the available memory equally across all nodes
4305 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4306 if (node_mem
[i
] != 0)
4309 if (i
== nb_numa_nodes
) {
4310 uint64_t usedmem
= 0;
4312 /* On Linux, the each node's border has to be 8MB aligned,
4313 * the final node gets the rest.
4315 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4316 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4317 usedmem
+= node_mem
[i
];
4319 node_mem
[i
] = ram_size
- usedmem
;
4322 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4323 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4327 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4328 * must cope with this anyway, because there are BIOSes out there in
4329 * real machines which also use this scheme.
4331 if (i
== nb_numa_nodes
) {
4332 for (i
= 0; i
< max_cpus
; i
++) {
4333 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4338 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4342 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4344 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4346 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4348 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4351 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4354 /* If no default VGA is requested, the default is "none". */
4356 if (cirrus_vga_available()) {
4357 vga_model
= "cirrus";
4358 } else if (vga_available()) {
4363 select_vgahw(vga_model
);
4367 i
= select_watchdog(watchdog
);
4369 exit (i
== 1 ? 1 : 0);
4372 if (machine
->compat_props
) {
4373 qdev_prop_register_global_list(machine
->compat_props
);
4377 qdev_machine_init();
4379 QEMUMachineInitArgs args
= { .machine
= machine
,
4380 .ram_size
= ram_size
,
4381 .boot_order
= boot_order
,
4382 .kernel_filename
= kernel_filename
,
4383 .kernel_cmdline
= kernel_cmdline
,
4384 .initrd_filename
= initrd_filename
,
4385 .cpu_model
= cpu_model
};
4387 current_machine
->init_args
= args
;
4388 machine
->init(¤t_machine
->init_args
);
4392 cpu_synchronize_all_post_init();
4396 /* init USB devices */
4397 if (usb_enabled(false)) {
4398 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4402 /* init generic devices */
4403 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4406 net_check_clients();
4408 ds
= init_displaystate();
4410 /* init local displays */
4411 switch (display_type
) {
4413 (void)ds
; /* avoid warning if no display is configured */
4415 #if defined(CONFIG_CURSES)
4417 curses_display_init(ds
, full_screen
);
4420 #if defined(CONFIG_SDL)
4422 sdl_display_init(ds
, full_screen
, no_frame
);
4424 #elif defined(CONFIG_COCOA)
4426 cocoa_display_init(ds
, full_screen
);
4429 #if defined(CONFIG_GTK)
4431 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4438 /* must be after terminal init, SDL library changes signal handlers */
4439 os_setup_signal_handling();
4442 /* init remote displays */
4444 Error
*local_err
= NULL
;
4445 vnc_display_init(ds
);
4446 vnc_display_open(ds
, vnc_display
, &local_err
);
4447 if (local_err
!= NULL
) {
4448 error_report("Failed to start VNC server on `%s': %s",
4449 vnc_display
, error_get_pretty(local_err
));
4450 error_free(local_err
);
4454 if (show_vnc_port
) {
4455 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4461 qemu_spice_display_init();
4465 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4469 qdev_machine_creation_done();
4471 if (rom_load_all() != 0) {
4472 fprintf(stderr
, "rom loading failed\n");
4476 /* TODO: once all bus devices are qdevified, this should be done
4477 * when bus is created by qdev.c */
4478 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4479 qemu_run_machine_init_done_notifiers();
4481 /* Done notifiers can load ROMs */
4484 qemu_system_reset(VMRESET_SILENT
);
4486 if (load_vmstate(loadvm
) < 0) {
4492 Error
*local_err
= NULL
;
4493 qemu_start_incoming_migration(incoming
, &local_err
);
4495 error_report("-incoming %s: %s", incoming
,
4496 error_get_pretty(local_err
));
4497 error_free(local_err
);
4500 } else if (autostart
) {
4506 if (is_daemonized()) {
4507 if (!trace_backend_init(trace_events
, trace_file
)) {