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 */
62 #include "hw/boards.h"
64 #include "hw/pcmcia.h"
65 #include "hw/i386/pc.h"
66 #include "hw/isa/isa.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/i386/smbios.h"
70 #include "hw/xen/xen.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/cache-utils.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
106 #include "qemu/sockets.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
)
1591 .name
= g_strconcat(m
->name
, TYPE_MACHINE_SUFFIX
, NULL
),
1592 .parent
= TYPE_MACHINE
,
1593 .class_init
= machine_class_init
,
1594 .class_data
= (void *)m
,
1602 static MachineClass
*find_machine(const char *name
)
1604 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1605 MachineClass
*mc
= NULL
;
1607 for (el
= machines
; el
; el
= el
->next
) {
1608 MachineClass
*temp
= el
->data
;
1610 if (!strcmp(temp
->qemu_machine
->name
, name
)) {
1614 if (temp
->qemu_machine
->alias
&&
1615 !strcmp(temp
->qemu_machine
->alias
, name
)) {
1621 g_slist_free(machines
);
1625 MachineClass
*find_default_machine(void)
1627 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1628 MachineClass
*mc
= NULL
;
1630 for (el
= machines
; el
; el
= el
->next
) {
1631 MachineClass
*temp
= el
->data
;
1633 if (temp
->qemu_machine
->is_default
) {
1639 g_slist_free(machines
);
1643 MachineInfoList
*qmp_query_machines(Error
**errp
)
1645 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
1646 MachineInfoList
*mach_list
= NULL
;
1649 for (el
= machines
; el
; el
= el
->next
) {
1650 MachineClass
*mc
= el
->data
;
1651 MachineInfoList
*entry
;
1654 m
= mc
->qemu_machine
;
1655 info
= g_malloc0(sizeof(*info
));
1656 if (m
->is_default
) {
1657 info
->has_is_default
= true;
1658 info
->is_default
= true;
1662 info
->has_alias
= true;
1663 info
->alias
= g_strdup(m
->alias
);
1666 info
->name
= g_strdup(m
->name
);
1667 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1669 entry
= g_malloc0(sizeof(*entry
));
1670 entry
->value
= info
;
1671 entry
->next
= mach_list
;
1675 g_slist_free(machines
);
1679 /***********************************************************/
1680 /* main execution loop */
1682 struct vm_change_state_entry
{
1683 VMChangeStateHandler
*cb
;
1685 QLIST_ENTRY (vm_change_state_entry
) entries
;
1688 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1690 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1693 VMChangeStateEntry
*e
;
1695 e
= g_malloc0(sizeof (*e
));
1699 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1703 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1705 QLIST_REMOVE (e
, entries
);
1709 void vm_state_notify(int running
, RunState state
)
1711 VMChangeStateEntry
*e
;
1713 trace_vm_state_notify(running
, state
);
1715 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1716 e
->cb(e
->opaque
, running
, state
);
1722 if (!runstate_is_running()) {
1724 runstate_set(RUN_STATE_RUNNING
);
1725 vm_state_notify(1, RUN_STATE_RUNNING
);
1727 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1731 /* reset/shutdown handler */
1733 typedef struct QEMUResetEntry
{
1734 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1735 QEMUResetHandler
*func
;
1739 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1740 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1741 static int reset_requested
;
1742 static int shutdown_requested
, shutdown_signal
= -1;
1743 static pid_t shutdown_pid
;
1744 static int powerdown_requested
;
1745 static int debug_requested
;
1746 static int suspend_requested
;
1747 static WakeupReason wakeup_reason
;
1748 static NotifierList powerdown_notifiers
=
1749 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1750 static NotifierList suspend_notifiers
=
1751 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1752 static NotifierList wakeup_notifiers
=
1753 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1754 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1755 static RunState vmstop_requested
= RUN_STATE_MAX
;
1757 int qemu_shutdown_requested_get(void)
1759 return shutdown_requested
;
1762 int qemu_reset_requested_get(void)
1764 return reset_requested
;
1767 static int qemu_shutdown_requested(void)
1769 int r
= shutdown_requested
;
1770 shutdown_requested
= 0;
1774 static void qemu_kill_report(void)
1776 if (!qtest_driver() && shutdown_signal
!= -1) {
1777 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1778 if (shutdown_pid
== 0) {
1779 /* This happens for eg ^C at the terminal, so it's worth
1780 * avoiding printing an odd message in that case.
1782 fputc('\n', stderr
);
1784 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1786 shutdown_signal
= -1;
1790 static int qemu_reset_requested(void)
1792 int r
= reset_requested
;
1793 reset_requested
= 0;
1797 static int qemu_suspend_requested(void)
1799 int r
= suspend_requested
;
1800 suspend_requested
= 0;
1804 static WakeupReason
qemu_wakeup_requested(void)
1806 return wakeup_reason
;
1809 static int qemu_powerdown_requested(void)
1811 int r
= powerdown_requested
;
1812 powerdown_requested
= 0;
1816 static int qemu_debug_requested(void)
1818 int r
= debug_requested
;
1819 debug_requested
= 0;
1823 /* We use RUN_STATE_MAX but any invalid value will do */
1824 static bool qemu_vmstop_requested(RunState
*r
)
1826 if (vmstop_requested
< RUN_STATE_MAX
) {
1827 *r
= vmstop_requested
;
1828 vmstop_requested
= RUN_STATE_MAX
;
1835 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1837 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1840 re
->opaque
= opaque
;
1841 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1844 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1848 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1849 if (re
->func
== func
&& re
->opaque
== opaque
) {
1850 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1857 void qemu_devices_reset(void)
1859 QEMUResetEntry
*re
, *nre
;
1861 /* reset all devices */
1862 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1863 re
->func(re
->opaque
);
1867 void qemu_system_reset(bool report
)
1871 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1873 if (mc
&& mc
->qemu_machine
->reset
) {
1874 mc
->qemu_machine
->reset();
1876 qemu_devices_reset();
1879 monitor_protocol_event(QEVENT_RESET
, NULL
);
1881 cpu_synchronize_all_post_reset();
1884 void qemu_system_reset_request(void)
1887 shutdown_requested
= 1;
1889 reset_requested
= 1;
1892 qemu_notify_event();
1895 static void qemu_system_suspend(void)
1898 notifier_list_notify(&suspend_notifiers
, NULL
);
1899 runstate_set(RUN_STATE_SUSPENDED
);
1900 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1903 void qemu_system_suspend_request(void)
1905 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1908 suspend_requested
= 1;
1910 qemu_notify_event();
1913 void qemu_register_suspend_notifier(Notifier
*notifier
)
1915 notifier_list_add(&suspend_notifiers
, notifier
);
1918 void qemu_system_wakeup_request(WakeupReason reason
)
1920 trace_system_wakeup_request(reason
);
1922 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1925 if (!(wakeup_reason_mask
& (1 << reason
))) {
1928 runstate_set(RUN_STATE_RUNNING
);
1929 wakeup_reason
= reason
;
1930 qemu_notify_event();
1933 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1936 wakeup_reason_mask
|= (1 << reason
);
1938 wakeup_reason_mask
&= ~(1 << reason
);
1942 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1944 notifier_list_add(&wakeup_notifiers
, notifier
);
1947 void qemu_system_killed(int signal
, pid_t pid
)
1949 shutdown_signal
= signal
;
1952 qemu_system_shutdown_request();
1955 void qemu_system_shutdown_request(void)
1957 shutdown_requested
= 1;
1958 qemu_notify_event();
1961 static void qemu_system_powerdown(void)
1963 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1964 notifier_list_notify(&powerdown_notifiers
, NULL
);
1967 void qemu_system_powerdown_request(void)
1969 powerdown_requested
= 1;
1970 qemu_notify_event();
1973 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1975 notifier_list_add(&powerdown_notifiers
, notifier
);
1978 void qemu_system_debug_request(void)
1980 debug_requested
= 1;
1981 qemu_notify_event();
1984 void qemu_system_vmstop_request(RunState state
)
1986 vmstop_requested
= state
;
1987 qemu_notify_event();
1990 static bool main_loop_should_exit(void)
1993 if (qemu_debug_requested()) {
1994 vm_stop(RUN_STATE_DEBUG
);
1996 if (qemu_suspend_requested()) {
1997 qemu_system_suspend();
1999 if (qemu_shutdown_requested()) {
2001 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2003 vm_stop(RUN_STATE_SHUTDOWN
);
2008 if (qemu_reset_requested()) {
2010 cpu_synchronize_all_states();
2011 qemu_system_reset(VMRESET_REPORT
);
2013 if (runstate_needs_reset()) {
2014 runstate_set(RUN_STATE_PAUSED
);
2017 if (qemu_wakeup_requested()) {
2019 cpu_synchronize_all_states();
2020 qemu_system_reset(VMRESET_SILENT
);
2021 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
2022 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
2024 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2026 if (qemu_powerdown_requested()) {
2027 qemu_system_powerdown();
2029 if (qemu_vmstop_requested(&r
)) {
2035 static void main_loop(void)
2039 #ifdef CONFIG_PROFILER
2043 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2044 #ifdef CONFIG_PROFILER
2045 ti
= profile_getclock();
2047 last_io
= main_loop_wait(nonblocking
);
2048 #ifdef CONFIG_PROFILER
2049 dev_time
+= profile_getclock() - ti
;
2051 } while (!main_loop_should_exit());
2054 static void version(void)
2056 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2059 static void help(int exitcode
)
2062 printf("usage: %s [options] [disk_image]\n\n"
2063 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2064 error_get_progname());
2066 #define QEMU_OPTIONS_GENERATE_HELP
2067 #include "qemu-options-wrapper.h"
2069 printf("\nDuring emulation, the following keys are useful:\n"
2070 "ctrl-alt-f toggle full screen\n"
2071 "ctrl-alt-n switch to virtual console 'n'\n"
2072 "ctrl-alt toggle mouse and keyboard grab\n"
2074 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2079 #define HAS_ARG 0x0001
2081 typedef struct QEMUOption
{
2088 static const QEMUOption qemu_options
[] = {
2089 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2090 #define QEMU_OPTIONS_GENERATE_OPTIONS
2091 #include "qemu-options-wrapper.h"
2095 static bool vga_available(void)
2097 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2100 static bool cirrus_vga_available(void)
2102 return object_class_by_name("cirrus-vga")
2103 || object_class_by_name("isa-cirrus-vga");
2106 static bool vmware_vga_available(void)
2108 return object_class_by_name("vmware-svga");
2111 static bool qxl_vga_available(void)
2113 return object_class_by_name("qxl-vga");
2116 static bool tcx_vga_available(void)
2118 return object_class_by_name("SUNW,tcx");
2121 static bool cg3_vga_available(void)
2123 return object_class_by_name("cgthree");
2126 static void select_vgahw (const char *p
)
2130 assert(vga_interface_type
== VGA_NONE
);
2131 if (strstart(p
, "std", &opts
)) {
2132 if (vga_available()) {
2133 vga_interface_type
= VGA_STD
;
2135 fprintf(stderr
, "Error: standard VGA not available\n");
2138 } else if (strstart(p
, "cirrus", &opts
)) {
2139 if (cirrus_vga_available()) {
2140 vga_interface_type
= VGA_CIRRUS
;
2142 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2145 } else if (strstart(p
, "vmware", &opts
)) {
2146 if (vmware_vga_available()) {
2147 vga_interface_type
= VGA_VMWARE
;
2149 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2152 } else if (strstart(p
, "xenfb", &opts
)) {
2153 vga_interface_type
= VGA_XENFB
;
2154 } else if (strstart(p
, "qxl", &opts
)) {
2155 if (qxl_vga_available()) {
2156 vga_interface_type
= VGA_QXL
;
2158 fprintf(stderr
, "Error: QXL VGA not available\n");
2161 } else if (strstart(p
, "tcx", &opts
)) {
2162 if (tcx_vga_available()) {
2163 vga_interface_type
= VGA_TCX
;
2165 fprintf(stderr
, "Error: TCX framebuffer not available\n");
2168 } else if (strstart(p
, "cg3", &opts
)) {
2169 if (cg3_vga_available()) {
2170 vga_interface_type
= VGA_CG3
;
2172 fprintf(stderr
, "Error: CG3 framebuffer not available\n");
2175 } else if (!strstart(p
, "none", &opts
)) {
2177 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2181 const char *nextopt
;
2183 if (strstart(opts
, ",retrace=", &nextopt
)) {
2185 if (strstart(opts
, "dumb", &nextopt
))
2186 vga_retrace_method
= VGA_RETRACE_DUMB
;
2187 else if (strstart(opts
, "precise", &nextopt
))
2188 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2189 else goto invalid_vga
;
2190 } else goto invalid_vga
;
2195 static DisplayType
select_display(const char *p
)
2198 DisplayType display
= DT_DEFAULT
;
2200 if (strstart(p
, "sdl", &opts
)) {
2204 const char *nextopt
;
2206 if (strstart(opts
, ",frame=", &nextopt
)) {
2208 if (strstart(opts
, "on", &nextopt
)) {
2210 } else if (strstart(opts
, "off", &nextopt
)) {
2213 goto invalid_sdl_args
;
2215 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2217 if (strstart(opts
, "on", &nextopt
)) {
2219 } else if (strstart(opts
, "off", &nextopt
)) {
2222 goto invalid_sdl_args
;
2224 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2226 if (strstart(opts
, "on", &nextopt
)) {
2228 } else if (strstart(opts
, "off", &nextopt
)) {
2231 goto invalid_sdl_args
;
2233 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2235 if (strstart(opts
, "on", &nextopt
)) {
2237 } else if (strstart(opts
, "off", &nextopt
)) {
2240 goto invalid_sdl_args
;
2244 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2250 fprintf(stderr
, "SDL support is disabled\n");
2253 } else if (strstart(p
, "vnc", &opts
)) {
2258 const char *nextopt
;
2260 if (strstart(opts
, "=", &nextopt
)) {
2261 vnc_display
= nextopt
;
2265 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2269 fprintf(stderr
, "VNC support is disabled\n");
2272 } else if (strstart(p
, "curses", &opts
)) {
2273 #ifdef CONFIG_CURSES
2274 display
= DT_CURSES
;
2276 fprintf(stderr
, "Curses support is disabled\n");
2279 } else if (strstart(p
, "gtk", &opts
)) {
2283 const char *nextopt
;
2285 if (strstart(opts
, ",grab_on_hover=", &nextopt
)) {
2287 if (strstart(opts
, "on", &nextopt
)) {
2288 grab_on_hover
= true;
2289 } else if (strstart(opts
, "off", &nextopt
)) {
2290 grab_on_hover
= false;
2292 goto invalid_gtk_args
;
2296 fprintf(stderr
, "Invalid GTK option string: %s\n", p
);
2302 fprintf(stderr
, "GTK support is disabled\n");
2305 } else if (strstart(p
, "none", &opts
)) {
2308 fprintf(stderr
, "Unknown display type: %s\n", p
);
2315 static int balloon_parse(const char *arg
)
2319 if (strcmp(arg
, "none") == 0) {
2323 if (!strncmp(arg
, "virtio", 6)) {
2324 if (arg
[6] == ',') {
2325 /* have params -> parse them */
2326 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2330 /* create empty opts */
2331 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2334 qemu_opt_set(opts
, "driver", "virtio-balloon");
2341 char *qemu_find_file(int type
, const char *name
)
2347 /* Try the name as a straight path first */
2348 if (access(name
, R_OK
) == 0) {
2349 trace_load_file(name
, name
);
2350 return g_strdup(name
);
2354 case QEMU_FILE_TYPE_BIOS
:
2357 case QEMU_FILE_TYPE_KEYMAP
:
2358 subdir
= "keymaps/";
2364 for (i
= 0; i
< data_dir_idx
; i
++) {
2365 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2366 if (access(buf
, R_OK
) == 0) {
2367 trace_load_file(name
, buf
);
2375 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2377 return qdev_device_help(opts
);
2380 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2384 dev
= qdev_device_add(opts
);
2387 object_unref(OBJECT(dev
));
2391 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2393 Error
*local_err
= NULL
;
2395 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2397 error_report("%s", error_get_pretty(local_err
));
2398 error_free(local_err
);
2404 #ifdef CONFIG_VIRTFS
2405 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2408 ret
= qemu_fsdev_add(opts
);
2414 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2416 CharDriverState
*chr
;
2417 const char *chardev
;
2421 mode
= qemu_opt_get(opts
, "mode");
2425 if (strcmp(mode
, "readline") == 0) {
2426 flags
= MONITOR_USE_READLINE
;
2427 } else if (strcmp(mode
, "control") == 0) {
2428 flags
= MONITOR_USE_CONTROL
;
2430 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2434 if (qemu_opt_get_bool(opts
, "pretty", 0))
2435 flags
|= MONITOR_USE_PRETTY
;
2437 if (qemu_opt_get_bool(opts
, "default", 0))
2438 flags
|= MONITOR_IS_DEFAULT
;
2440 chardev
= qemu_opt_get(opts
, "chardev");
2441 chr
= qemu_chr_find(chardev
);
2443 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2447 qemu_chr_fe_claim_no_fail(chr
);
2448 monitor_init(chr
, flags
);
2452 static void monitor_parse(const char *optarg
, const char *mode
)
2454 static int monitor_device_index
= 0;
2460 if (strstart(optarg
, "chardev:", &p
)) {
2461 snprintf(label
, sizeof(label
), "%s", p
);
2463 snprintf(label
, sizeof(label
), "compat_monitor%d",
2464 monitor_device_index
);
2465 if (monitor_device_index
== 0) {
2468 opts
= qemu_chr_parse_compat(label
, optarg
);
2470 fprintf(stderr
, "parse error: %s\n", optarg
);
2475 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2477 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2480 qemu_opt_set(opts
, "mode", mode
);
2481 qemu_opt_set(opts
, "chardev", label
);
2483 qemu_opt_set(opts
, "default", "on");
2484 monitor_device_index
++;
2487 struct device_config
{
2489 DEV_USB
, /* -usbdevice */
2491 DEV_SERIAL
, /* -serial */
2492 DEV_PARALLEL
, /* -parallel */
2493 DEV_VIRTCON
, /* -virtioconsole */
2494 DEV_DEBUGCON
, /* -debugcon */
2495 DEV_GDB
, /* -gdb, -s */
2496 DEV_SCLP
, /* s390 sclp */
2498 const char *cmdline
;
2500 QTAILQ_ENTRY(device_config
) next
;
2503 static QTAILQ_HEAD(, device_config
) device_configs
=
2504 QTAILQ_HEAD_INITIALIZER(device_configs
);
2506 static void add_device_config(int type
, const char *cmdline
)
2508 struct device_config
*conf
;
2510 conf
= g_malloc0(sizeof(*conf
));
2512 conf
->cmdline
= cmdline
;
2513 loc_save(&conf
->loc
);
2514 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2517 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2519 struct device_config
*conf
;
2522 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2523 if (conf
->type
!= type
)
2525 loc_push_restore(&conf
->loc
);
2526 rc
= func(conf
->cmdline
);
2527 loc_pop(&conf
->loc
);
2534 static int serial_parse(const char *devname
)
2536 static int index
= 0;
2539 if (strcmp(devname
, "none") == 0)
2541 if (index
== MAX_SERIAL_PORTS
) {
2542 fprintf(stderr
, "qemu: too many serial ports\n");
2545 snprintf(label
, sizeof(label
), "serial%d", index
);
2546 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2547 if (!serial_hds
[index
]) {
2548 fprintf(stderr
, "qemu: could not connect serial device"
2549 " to character backend '%s'\n", devname
);
2556 static int parallel_parse(const char *devname
)
2558 static int index
= 0;
2561 if (strcmp(devname
, "none") == 0)
2563 if (index
== MAX_PARALLEL_PORTS
) {
2564 fprintf(stderr
, "qemu: too many parallel ports\n");
2567 snprintf(label
, sizeof(label
), "parallel%d", index
);
2568 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2569 if (!parallel_hds
[index
]) {
2570 fprintf(stderr
, "qemu: could not connect parallel device"
2571 " to character backend '%s'\n", devname
);
2578 static int virtcon_parse(const char *devname
)
2580 QemuOptsList
*device
= qemu_find_opts("device");
2581 static int index
= 0;
2583 QemuOpts
*bus_opts
, *dev_opts
;
2585 if (strcmp(devname
, "none") == 0)
2587 if (index
== MAX_VIRTIO_CONSOLES
) {
2588 fprintf(stderr
, "qemu: too many virtio consoles\n");
2592 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2593 if (arch_type
== QEMU_ARCH_S390X
) {
2594 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2596 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2599 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2600 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2602 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2603 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2604 if (!virtcon_hds
[index
]) {
2605 fprintf(stderr
, "qemu: could not connect virtio console"
2606 " to character backend '%s'\n", devname
);
2609 qemu_opt_set(dev_opts
, "chardev", label
);
2615 static int sclp_parse(const char *devname
)
2617 QemuOptsList
*device
= qemu_find_opts("device");
2618 static int index
= 0;
2622 if (strcmp(devname
, "none") == 0) {
2625 if (index
== MAX_SCLP_CONSOLES
) {
2626 fprintf(stderr
, "qemu: too many sclp consoles\n");
2630 assert(arch_type
== QEMU_ARCH_S390X
);
2632 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2633 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2635 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2636 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2637 if (!sclp_hds
[index
]) {
2638 fprintf(stderr
, "qemu: could not connect sclp console"
2639 " to character backend '%s'\n", devname
);
2642 qemu_opt_set(dev_opts
, "chardev", label
);
2648 static int debugcon_parse(const char *devname
)
2652 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2655 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2657 fprintf(stderr
, "qemu: already have a debugcon device\n");
2660 qemu_opt_set(opts
, "driver", "isa-debugcon");
2661 qemu_opt_set(opts
, "chardev", "debugcon");
2665 static MachineClass
*machine_parse(const char *name
)
2667 MachineClass
*mc
= NULL
;
2668 GSList
*el
, *machines
= object_class_get_list(TYPE_MACHINE
, false);
2671 mc
= find_machine(name
);
2676 printf("Supported machines are:\n");
2677 for (el
= machines
; el
; el
= el
->next
) {
2678 MachineClass
*mc
= el
->data
;
2679 QEMUMachine
*m
= mc
->qemu_machine
;
2681 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2683 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2684 m
->is_default
? " (default)" : "");
2687 g_slist_free(machines
);
2688 exit(!name
|| !is_help_option(name
));
2691 static int tcg_init(QEMUMachine
*machine
)
2693 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2698 const char *opt_name
;
2700 int (*available
)(void);
2701 int (*init
)(QEMUMachine
*);
2704 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2705 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2706 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2707 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2710 static int configure_accelerator(QEMUMachine
*machine
)
2715 bool accel_initialised
= false;
2716 bool init_failed
= false;
2718 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2720 /* Use the default "accelerator", tcg */
2724 while (!accel_initialised
&& *p
!= '\0') {
2728 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2729 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2730 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2731 if (!accel_list
[i
].available()) {
2732 printf("%s not supported for this target\n",
2733 accel_list
[i
].name
);
2736 *(accel_list
[i
].allowed
) = true;
2737 ret
= accel_list
[i
].init(machine
);
2740 fprintf(stderr
, "failed to initialize %s: %s\n",
2743 *(accel_list
[i
].allowed
) = false;
2745 accel_initialised
= true;
2750 if (i
== ARRAY_SIZE(accel_list
)) {
2751 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2755 if (!accel_initialised
) {
2757 fprintf(stderr
, "No accelerator found!\n");
2763 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2766 return !accel_initialised
;
2769 void qemu_add_exit_notifier(Notifier
*notify
)
2771 notifier_list_add(&exit_notifiers
, notify
);
2774 void qemu_remove_exit_notifier(Notifier
*notify
)
2776 notifier_remove(notify
);
2779 static void qemu_run_exit_notifiers(void)
2781 notifier_list_notify(&exit_notifiers
, NULL
);
2784 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2786 notifier_list_add(&machine_init_done_notifiers
, notify
);
2789 static void qemu_run_machine_init_done_notifiers(void)
2791 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2794 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2795 const char **poptarg
, int *poptind
)
2797 const QEMUOption
*popt
;
2798 int optind
= *poptind
;
2799 char *r
= argv
[optind
];
2802 loc_set_cmdline(argv
, optind
, 1);
2804 /* Treat --foo the same as -foo. */
2807 popt
= qemu_options
;
2810 error_report("invalid option");
2813 if (!strcmp(popt
->name
, r
+ 1))
2817 if (popt
->flags
& HAS_ARG
) {
2818 if (optind
>= argc
) {
2819 error_report("requires an argument");
2822 optarg
= argv
[optind
++];
2823 loc_set_cmdline(argv
, optind
- 2, 2);
2834 static gpointer
malloc_and_trace(gsize n_bytes
)
2836 void *ptr
= malloc(n_bytes
);
2837 trace_g_malloc(n_bytes
, ptr
);
2841 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2843 void *ptr
= realloc(mem
, n_bytes
);
2844 trace_g_realloc(mem
, n_bytes
, ptr
);
2848 static void free_and_trace(gpointer mem
)
2854 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2856 Object
*obj
= OBJECT(opaque
);
2857 StringInputVisitor
*siv
;
2858 Error
*local_err
= NULL
;
2860 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2864 siv
= string_input_visitor_new(value
);
2865 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2866 string_input_visitor_cleanup(siv
);
2869 qerror_report_err(local_err
);
2870 error_free(local_err
);
2877 static int object_create(QemuOpts
*opts
, void *opaque
)
2879 const char *type
= qemu_opt_get(opts
, "qom-type");
2880 const char *id
= qemu_opts_id(opts
);
2881 Error
*local_err
= NULL
;
2884 g_assert(type
!= NULL
);
2887 qerror_report(QERR_MISSING_PARAMETER
, "id");
2891 obj
= object_new(type
);
2892 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2897 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2898 error_setg(&local_err
, "object '%s' isn't supported by -object",
2903 user_creatable_complete(obj
, &local_err
);
2908 object_property_add_child(container_get(object_get_root(), "/objects"),
2909 id
, obj
, &local_err
);
2914 qerror_report_err(local_err
);
2915 error_free(local_err
);
2921 int main(int argc
, char **argv
, char **envp
)
2924 int snapshot
, linux_boot
;
2925 const char *icount_option
= NULL
;
2926 const char *initrd_filename
;
2927 const char *kernel_filename
, *kernel_cmdline
;
2928 const char *boot_order
;
2930 int cyls
, heads
, secs
, translation
;
2931 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2932 QemuOptsList
*olist
;
2935 const char *loadvm
= NULL
;
2936 MachineClass
*machine_class
;
2937 QEMUMachine
*machine
;
2938 const char *cpu_model
;
2939 const char *vga_model
= NULL
;
2940 const char *qtest_chrdev
= NULL
;
2941 const char *qtest_log
= NULL
;
2942 const char *pid_file
= NULL
;
2943 const char *incoming
= NULL
;
2945 int show_vnc_port
= 0;
2947 bool defconfig
= true;
2948 bool userconfig
= true;
2949 const char *log_mask
= NULL
;
2950 const char *log_file
= NULL
;
2951 GMemVTable mem_trace
= {
2952 .malloc
= malloc_and_trace
,
2953 .realloc
= realloc_and_trace
,
2954 .free
= free_and_trace
,
2956 const char *trace_events
= NULL
;
2957 const char *trace_file
= NULL
;
2959 atexit(qemu_run_exit_notifiers
);
2960 error_set_progname(argv
[0]);
2961 qemu_init_exec_dir(argv
[0]);
2963 g_mem_set_vtable(&mem_trace
);
2964 if (!g_thread_supported()) {
2965 #if !GLIB_CHECK_VERSION(2, 31, 0)
2966 g_thread_init(NULL
);
2968 fprintf(stderr
, "glib threading failed to initialize.\n");
2973 module_call_init(MODULE_INIT_QOM
);
2975 qemu_add_opts(&qemu_drive_opts
);
2976 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2977 qemu_add_drive_opts(&qemu_common_drive_opts
);
2978 qemu_add_drive_opts(&qemu_drive_opts
);
2979 qemu_add_opts(&qemu_chardev_opts
);
2980 qemu_add_opts(&qemu_device_opts
);
2981 qemu_add_opts(&qemu_netdev_opts
);
2982 qemu_add_opts(&qemu_net_opts
);
2983 qemu_add_opts(&qemu_rtc_opts
);
2984 qemu_add_opts(&qemu_global_opts
);
2985 qemu_add_opts(&qemu_mon_opts
);
2986 qemu_add_opts(&qemu_trace_opts
);
2987 qemu_add_opts(&qemu_option_rom_opts
);
2988 qemu_add_opts(&qemu_machine_opts
);
2989 qemu_add_opts(&qemu_smp_opts
);
2990 qemu_add_opts(&qemu_boot_opts
);
2991 qemu_add_opts(&qemu_sandbox_opts
);
2992 qemu_add_opts(&qemu_add_fd_opts
);
2993 qemu_add_opts(&qemu_object_opts
);
2994 qemu_add_opts(&qemu_tpmdev_opts
);
2995 qemu_add_opts(&qemu_realtime_opts
);
2996 qemu_add_opts(&qemu_msg_opts
);
2997 qemu_add_opts(&qemu_name_opts
);
3002 rtc_clock
= QEMU_CLOCK_HOST
;
3004 qemu_init_auxval(envp
);
3005 qemu_cache_utils_init();
3007 QLIST_INIT (&vm_change_state_head
);
3008 os_setup_early_signal_handling();
3010 module_call_init(MODULE_INIT_MACHINE
);
3011 machine_class
= find_default_machine();
3015 cyls
= heads
= secs
= 0;
3016 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3018 for (i
= 0; i
< MAX_NODES
; i
++) {
3020 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
3026 bdrv_init_with_whitelist();
3030 /* first pass of option parsing */
3032 while (optind
< argc
) {
3033 if (argv
[optind
][0] != '-') {
3038 const QEMUOption
*popt
;
3040 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3041 switch (popt
->index
) {
3042 case QEMU_OPTION_nodefconfig
:
3045 case QEMU_OPTION_nouserconfig
:
3054 ret
= qemu_read_default_config_files(userconfig
);
3060 /* second pass of option parsing */
3065 if (argv
[optind
][0] != '-') {
3066 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3068 const QEMUOption
*popt
;
3070 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3071 if (!(popt
->arch_mask
& arch_type
)) {
3072 printf("Option %s not supported for this target\n", popt
->name
);
3075 switch(popt
->index
) {
3077 machine_class
= machine_parse(optarg
);
3079 case QEMU_OPTION_no_kvm_irqchip
: {
3080 olist
= qemu_find_opts("machine");
3081 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3084 case QEMU_OPTION_cpu
:
3085 /* hw initialization will check this */
3088 case QEMU_OPTION_hda
:
3092 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3094 snprintf(buf
, sizeof(buf
),
3095 "%s,cyls=%d,heads=%d,secs=%d%s",
3096 HD_OPTS
, cyls
, heads
, secs
,
3097 translation
== BIOS_ATA_TRANSLATION_LBA
?
3099 translation
== BIOS_ATA_TRANSLATION_NONE
?
3100 ",trans=none" : "");
3101 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3104 case QEMU_OPTION_hdb
:
3105 case QEMU_OPTION_hdc
:
3106 case QEMU_OPTION_hdd
:
3107 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3110 case QEMU_OPTION_drive
:
3111 if (drive_def(optarg
) == NULL
) {
3115 case QEMU_OPTION_set
:
3116 if (qemu_set_option(optarg
) != 0)
3119 case QEMU_OPTION_global
:
3120 if (qemu_global_option(optarg
) != 0)
3123 case QEMU_OPTION_mtdblock
:
3124 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3126 case QEMU_OPTION_sd
:
3127 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3129 case QEMU_OPTION_pflash
:
3130 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3132 case QEMU_OPTION_snapshot
:
3135 case QEMU_OPTION_hdachs
:
3139 cyls
= strtol(p
, (char **)&p
, 0);
3140 if (cyls
< 1 || cyls
> 16383)
3145 heads
= strtol(p
, (char **)&p
, 0);
3146 if (heads
< 1 || heads
> 16)
3151 secs
= strtol(p
, (char **)&p
, 0);
3152 if (secs
< 1 || secs
> 63)
3156 if (!strcmp(p
, "large")) {
3157 translation
= BIOS_ATA_TRANSLATION_LARGE
;
3158 } else if (!strcmp(p
, "rechs")) {
3159 translation
= BIOS_ATA_TRANSLATION_RECHS
;
3160 } else if (!strcmp(p
, "none")) {
3161 translation
= BIOS_ATA_TRANSLATION_NONE
;
3162 } else if (!strcmp(p
, "lba")) {
3163 translation
= BIOS_ATA_TRANSLATION_LBA
;
3164 } else if (!strcmp(p
, "auto")) {
3165 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3169 } else if (*p
!= '\0') {
3171 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3174 if (hda_opts
!= NULL
) {
3176 snprintf(num
, sizeof(num
), "%d", cyls
);
3177 qemu_opt_set(hda_opts
, "cyls", num
);
3178 snprintf(num
, sizeof(num
), "%d", heads
);
3179 qemu_opt_set(hda_opts
, "heads", num
);
3180 snprintf(num
, sizeof(num
), "%d", secs
);
3181 qemu_opt_set(hda_opts
, "secs", num
);
3182 if (translation
== BIOS_ATA_TRANSLATION_LARGE
) {
3183 qemu_opt_set(hda_opts
, "trans", "large");
3184 } else if (translation
== BIOS_ATA_TRANSLATION_RECHS
) {
3185 qemu_opt_set(hda_opts
, "trans", "rechs");
3186 } else if (translation
== BIOS_ATA_TRANSLATION_LBA
) {
3187 qemu_opt_set(hda_opts
, "trans", "lba");
3188 } else if (translation
== BIOS_ATA_TRANSLATION_NONE
) {
3189 qemu_opt_set(hda_opts
, "trans", "none");
3194 case QEMU_OPTION_numa
:
3197 case QEMU_OPTION_display
:
3198 display_type
= select_display(optarg
);
3200 case QEMU_OPTION_nographic
:
3201 display_type
= DT_NOGRAPHIC
;
3203 case QEMU_OPTION_curses
:
3204 #ifdef CONFIG_CURSES
3205 display_type
= DT_CURSES
;
3207 fprintf(stderr
, "Curses support is disabled\n");
3211 case QEMU_OPTION_portrait
:
3212 graphic_rotate
= 90;
3214 case QEMU_OPTION_rotate
:
3215 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3216 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3217 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3219 "qemu: only 90, 180, 270 deg rotation is available\n");
3223 case QEMU_OPTION_kernel
:
3224 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3226 case QEMU_OPTION_initrd
:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3229 case QEMU_OPTION_append
:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3232 case QEMU_OPTION_dtb
:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3235 case QEMU_OPTION_cdrom
:
3236 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3238 case QEMU_OPTION_boot
:
3239 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3244 case QEMU_OPTION_fda
:
3245 case QEMU_OPTION_fdb
:
3246 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3249 case QEMU_OPTION_no_fd_bootchk
:
3252 case QEMU_OPTION_netdev
:
3253 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3257 case QEMU_OPTION_net
:
3258 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3262 #ifdef CONFIG_LIBISCSI
3263 case QEMU_OPTION_iscsi
:
3264 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3271 case QEMU_OPTION_tftp
:
3272 legacy_tftp_prefix
= optarg
;
3274 case QEMU_OPTION_bootp
:
3275 legacy_bootp_filename
= optarg
;
3277 case QEMU_OPTION_redir
:
3278 if (net_slirp_redir(optarg
) < 0)
3282 case QEMU_OPTION_bt
:
3283 add_device_config(DEV_BT
, optarg
);
3285 case QEMU_OPTION_audio_help
:
3289 case QEMU_OPTION_soundhw
:
3290 select_soundhw (optarg
);
3295 case QEMU_OPTION_version
:
3299 case QEMU_OPTION_m
: {
3304 value
= strtosz(optarg
, &end
);
3305 if (value
< 0 || *end
) {
3306 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3309 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3311 if (ram_size
!= sz
) {
3312 fprintf(stderr
, "qemu: ram size too large\n");
3318 case QEMU_OPTION_tpmdev
:
3319 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3324 case QEMU_OPTION_mempath
:
3327 case QEMU_OPTION_mem_prealloc
:
3337 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3339 case QEMU_OPTION_gdb
:
3340 add_device_config(DEV_GDB
, optarg
);
3343 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3344 data_dir
[data_dir_idx
++] = optarg
;
3347 case QEMU_OPTION_bios
:
3348 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3350 case QEMU_OPTION_singlestep
:
3357 keyboard_layout
= optarg
;
3359 case QEMU_OPTION_localtime
:
3362 case QEMU_OPTION_vga
:
3371 w
= strtol(p
, (char **)&p
, 10);
3374 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3380 h
= strtol(p
, (char **)&p
, 10);
3385 depth
= strtol(p
, (char **)&p
, 10);
3386 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3387 depth
!= 24 && depth
!= 32)
3389 } else if (*p
== '\0') {
3390 depth
= graphic_depth
;
3397 graphic_depth
= depth
;
3400 case QEMU_OPTION_echr
:
3403 term_escape_char
= strtol(optarg
, &r
, 0);
3405 printf("Bad argument to echr\n");
3408 case QEMU_OPTION_monitor
:
3409 default_monitor
= 0;
3410 if (strncmp(optarg
, "none", 4)) {
3411 monitor_parse(optarg
, "readline");
3414 case QEMU_OPTION_qmp
:
3415 monitor_parse(optarg
, "control");
3416 default_monitor
= 0;
3418 case QEMU_OPTION_mon
:
3419 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3423 default_monitor
= 0;
3425 case QEMU_OPTION_chardev
:
3426 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3431 case QEMU_OPTION_fsdev
:
3432 olist
= qemu_find_opts("fsdev");
3434 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3437 opts
= qemu_opts_parse(olist
, optarg
, 1);
3442 case QEMU_OPTION_virtfs
: {
3445 const char *writeout
, *sock_fd
, *socket
;
3447 olist
= qemu_find_opts("virtfs");
3449 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3452 opts
= qemu_opts_parse(olist
, optarg
, 1);
3457 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3458 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3459 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3462 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3463 qemu_opt_get(opts
, "mount_tag"),
3466 fprintf(stderr
, "duplicate fsdev id: %s\n",
3467 qemu_opt_get(opts
, "mount_tag"));
3471 writeout
= qemu_opt_get(opts
, "writeout");
3473 #ifdef CONFIG_SYNC_FILE_RANGE
3474 qemu_opt_set(fsdev
, "writeout", writeout
);
3476 fprintf(stderr
, "writeout=immediate not supported on "
3481 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3482 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3483 qemu_opt_set(fsdev
, "security_model",
3484 qemu_opt_get(opts
, "security_model"));
3485 socket
= qemu_opt_get(opts
, "socket");
3487 qemu_opt_set(fsdev
, "socket", socket
);
3489 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3491 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3494 qemu_opt_set_bool(fsdev
, "readonly",
3495 qemu_opt_get_bool(opts
, "readonly", 0));
3496 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3498 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3499 qemu_opt_set(device
, "fsdev",
3500 qemu_opt_get(opts
, "mount_tag"));
3501 qemu_opt_set(device
, "mount_tag",
3502 qemu_opt_get(opts
, "mount_tag"));
3505 case QEMU_OPTION_virtfs_synth
: {
3509 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3512 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3515 qemu_opt_set(fsdev
, "fsdriver", "synth");
3517 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3519 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3520 qemu_opt_set(device
, "fsdev", "v_synth");
3521 qemu_opt_set(device
, "mount_tag", "v_synth");
3524 case QEMU_OPTION_serial
:
3525 add_device_config(DEV_SERIAL
, optarg
);
3527 if (strncmp(optarg
, "mon:", 4) == 0) {
3528 default_monitor
= 0;
3531 case QEMU_OPTION_watchdog
:
3534 "qemu: only one watchdog option may be given\n");
3539 case QEMU_OPTION_watchdog_action
:
3540 if (select_watchdog_action(optarg
) == -1) {
3541 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3545 case QEMU_OPTION_virtiocon
:
3546 add_device_config(DEV_VIRTCON
, optarg
);
3547 default_virtcon
= 0;
3548 if (strncmp(optarg
, "mon:", 4) == 0) {
3549 default_monitor
= 0;
3552 case QEMU_OPTION_parallel
:
3553 add_device_config(DEV_PARALLEL
, optarg
);
3554 default_parallel
= 0;
3555 if (strncmp(optarg
, "mon:", 4) == 0) {
3556 default_monitor
= 0;
3559 case QEMU_OPTION_debugcon
:
3560 add_device_config(DEV_DEBUGCON
, optarg
);
3562 case QEMU_OPTION_loadvm
:
3565 case QEMU_OPTION_full_screen
:
3568 case QEMU_OPTION_no_frame
:
3571 case QEMU_OPTION_alt_grab
:
3574 case QEMU_OPTION_ctrl_grab
:
3577 case QEMU_OPTION_no_quit
:
3580 case QEMU_OPTION_sdl
:
3582 display_type
= DT_SDL
;
3585 fprintf(stderr
, "SDL support is disabled\n");
3588 case QEMU_OPTION_pidfile
:
3591 case QEMU_OPTION_win2k_hack
:
3592 win2k_install_hack
= 1;
3594 case QEMU_OPTION_rtc_td_hack
: {
3595 static GlobalProperty slew_lost_ticks
[] = {
3597 .driver
= "mc146818rtc",
3598 .property
= "lost_tick_policy",
3601 { /* end of list */ }
3604 qdev_prop_register_global_list(slew_lost_ticks
);
3607 case QEMU_OPTION_acpitable
:
3608 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3612 do_acpitable_option(opts
);
3614 case QEMU_OPTION_smbios
:
3615 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3619 do_smbios_option(opts
);
3621 case QEMU_OPTION_enable_kvm
:
3622 olist
= qemu_find_opts("machine");
3623 qemu_opts_parse(olist
, "accel=kvm", 0);
3625 case QEMU_OPTION_machine
:
3626 olist
= qemu_find_opts("machine");
3627 opts
= qemu_opts_parse(olist
, optarg
, 1);
3631 optarg
= qemu_opt_get(opts
, "type");
3633 machine_class
= machine_parse(optarg
);
3636 case QEMU_OPTION_no_kvm
:
3637 olist
= qemu_find_opts("machine");
3638 qemu_opts_parse(olist
, "accel=tcg", 0);
3640 case QEMU_OPTION_no_kvm_pit
: {
3641 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3645 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3646 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3648 .driver
= "kvm-pit",
3649 .property
= "lost_tick_policy",
3652 { /* end of list */ }
3655 fprintf(stderr
, "Warning: option deprecated, use "
3656 "lost_tick_policy property of kvm-pit instead.\n");
3657 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3660 case QEMU_OPTION_usb
:
3661 olist
= qemu_find_opts("machine");
3662 qemu_opts_parse(olist
, "usb=on", 0);
3664 case QEMU_OPTION_usbdevice
:
3665 olist
= qemu_find_opts("machine");
3666 qemu_opts_parse(olist
, "usb=on", 0);
3667 add_device_config(DEV_USB
, optarg
);
3669 case QEMU_OPTION_device
:
3670 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3674 case QEMU_OPTION_smp
:
3675 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3679 case QEMU_OPTION_vnc
:
3682 vnc_display
= optarg
;
3684 fprintf(stderr
, "VNC support is disabled\n");
3688 case QEMU_OPTION_no_acpi
:
3691 case QEMU_OPTION_no_hpet
:
3694 case QEMU_OPTION_balloon
:
3695 if (balloon_parse(optarg
) < 0) {
3696 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3700 case QEMU_OPTION_no_reboot
:
3703 case QEMU_OPTION_no_shutdown
:
3706 case QEMU_OPTION_show_cursor
:
3709 case QEMU_OPTION_uuid
:
3710 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3711 fprintf(stderr
, "Fail to parse UUID string."
3712 " Wrong format.\n");
3715 qemu_uuid_set
= true;
3717 case QEMU_OPTION_option_rom
:
3718 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3719 fprintf(stderr
, "Too many option ROMs\n");
3722 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3726 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3727 option_rom
[nb_option_roms
].bootindex
=
3728 qemu_opt_get_number(opts
, "bootindex", -1);
3729 if (!option_rom
[nb_option_roms
].name
) {
3730 fprintf(stderr
, "Option ROM file is not specified\n");
3735 case QEMU_OPTION_semihosting
:
3736 semihosting_enabled
= 1;
3738 case QEMU_OPTION_tdf
:
3739 fprintf(stderr
, "Warning: user space PIT time drift fix "
3740 "is no longer supported.\n");
3742 case QEMU_OPTION_name
:
3743 opts
= qemu_opts_parse(qemu_find_opts("name"), optarg
, 1);
3749 case QEMU_OPTION_prom_env
:
3750 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3751 fprintf(stderr
, "Too many prom variables\n");
3754 prom_envs
[nb_prom_envs
] = optarg
;
3757 case QEMU_OPTION_old_param
:
3760 case QEMU_OPTION_clock
:
3761 /* Clock options no longer exist. Keep this option for
3762 * backward compatibility.
3765 case QEMU_OPTION_startdate
:
3766 configure_rtc_date_offset(optarg
, 1);
3768 case QEMU_OPTION_rtc
:
3769 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3773 configure_rtc(opts
);
3775 case QEMU_OPTION_tb_size
:
3776 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3777 if (tcg_tb_size
< 0) {
3781 case QEMU_OPTION_icount
:
3782 icount_option
= optarg
;
3784 case QEMU_OPTION_incoming
:
3786 runstate_set(RUN_STATE_INMIGRATE
);
3788 case QEMU_OPTION_nodefaults
:
3791 case QEMU_OPTION_xen_domid
:
3792 if (!(xen_available())) {
3793 printf("Option %s not supported for this target\n", popt
->name
);
3796 xen_domid
= atoi(optarg
);
3798 case QEMU_OPTION_xen_create
:
3799 if (!(xen_available())) {
3800 printf("Option %s not supported for this target\n", popt
->name
);
3803 xen_mode
= XEN_CREATE
;
3805 case QEMU_OPTION_xen_attach
:
3806 if (!(xen_available())) {
3807 printf("Option %s not supported for this target\n", popt
->name
);
3810 xen_mode
= XEN_ATTACH
;
3812 case QEMU_OPTION_trace
:
3814 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3818 trace_events
= qemu_opt_get(opts
, "events");
3819 trace_file
= qemu_opt_get(opts
, "file");
3822 case QEMU_OPTION_readconfig
:
3824 int ret
= qemu_read_config_file(optarg
);
3826 fprintf(stderr
, "read config %s: %s\n", optarg
,
3832 case QEMU_OPTION_spice
:
3833 olist
= qemu_find_opts("spice");
3835 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3838 opts
= qemu_opts_parse(olist
, optarg
, 0);
3844 case QEMU_OPTION_writeconfig
:
3847 if (strcmp(optarg
, "-") == 0) {
3850 fp
= fopen(optarg
, "w");
3852 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3856 qemu_config_write(fp
);
3860 case QEMU_OPTION_qtest
:
3861 qtest_chrdev
= optarg
;
3863 case QEMU_OPTION_qtest_log
:
3866 case QEMU_OPTION_sandbox
:
3867 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3872 case QEMU_OPTION_add_fd
:
3874 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3879 error_report("File descriptor passing is disabled on this "
3884 case QEMU_OPTION_object
:
3885 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3890 case QEMU_OPTION_realtime
:
3891 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3895 configure_realtime(opts
);
3897 case QEMU_OPTION_msg
:
3898 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3902 configure_msg(opts
);
3905 os_parse_cmd_args(popt
->index
, optarg
);
3911 if (qemu_init_main_loop()) {
3912 fprintf(stderr
, "qemu_init_main_loop failed\n");
3916 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3921 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3925 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3930 if (machine_class
== NULL
) {
3931 fprintf(stderr
, "No machine found.\n");
3935 current_machine
= MACHINE(object_new(object_class_get_name(
3936 OBJECT_CLASS(machine_class
))));
3937 object_property_add_child(object_get_root(), "machine",
3938 OBJECT(current_machine
), &error_abort
);
3940 machine
= machine_class
->qemu_machine
;
3941 if (machine
->hw_version
) {
3942 qemu_set_version(machine
->hw_version
);
3945 if (qemu_opts_foreach(qemu_find_opts("object"),
3946 object_create
, NULL
, 0) != 0) {
3950 /* Init CPU def lists, based on config
3951 * - Must be called after all the qemu_read_config_file() calls
3952 * - Must be called before list_cpus()
3953 * - Must be called before machine->init()
3957 if (cpu_model
&& is_help_option(cpu_model
)) {
3958 list_cpus(stdout
, &fprintf
, cpu_model
);
3962 /* Open the logfile at this point, if necessary. We can't open the logfile
3963 * when encountering either of the logging options (-d or -D) because the
3964 * other one may be encountered later on the command line, changing the
3965 * location or level of logging.
3970 qemu_set_log_filename(log_file
);
3973 mask
= qemu_str_to_log_mask(log_mask
);
3975 qemu_print_log_usage(stdout
);
3981 if (!is_daemonized()) {
3982 if (!trace_backend_init(trace_events
, trace_file
)) {
3987 /* If no data_dir is specified then try to find it relative to the
3989 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3990 data_dir
[data_dir_idx
] = os_find_datadir();
3991 if (data_dir
[data_dir_idx
] != NULL
) {
3995 /* If all else fails use the install path specified when building. */
3996 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3997 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
4000 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
4002 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
4003 if (smp_cpus
> machine
->max_cpus
) {
4004 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
4005 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
4011 * Get the default machine options from the machine if it is not already
4012 * specified either by the configuration file or by the command line.
4014 if (machine
->default_machine_opts
) {
4015 qemu_opts_set_defaults(qemu_find_opts("machine"),
4016 machine
->default_machine_opts
, 0);
4019 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4020 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4022 if (!vga_model
&& !default_vga
) {
4023 vga_interface_type
= VGA_DEVICE
;
4025 if (!has_defaults
|| machine
->no_serial
) {
4028 if (!has_defaults
|| machine
->no_parallel
) {
4029 default_parallel
= 0;
4031 if (!has_defaults
|| !machine
->use_virtcon
) {
4032 default_virtcon
= 0;
4034 if (!has_defaults
|| !machine
->use_sclp
) {
4037 if (!has_defaults
|| machine
->no_floppy
) {
4040 if (!has_defaults
|| machine
->no_cdrom
) {
4043 if (!has_defaults
|| machine
->no_sdcard
) {
4046 if (!has_defaults
) {
4047 default_monitor
= 0;
4052 if (is_daemonized()) {
4053 /* According to documentation and historically, -nographic redirects
4054 * serial port, parallel port and monitor to stdio, which does not work
4055 * with -daemonize. We can redirect these to null instead, but since
4056 * -nographic is legacy, let's just error out.
4057 * We disallow -nographic only if all other ports are not redirected
4058 * explicitly, to not break existing legacy setups which uses
4059 * -nographic _and_ redirects all ports explicitly - this is valid
4060 * usage, -nographic is just a no-op in this case.
4062 if (display_type
== DT_NOGRAPHIC
4063 && (default_parallel
|| default_serial
4064 || default_monitor
|| default_virtcon
)) {
4065 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4068 #ifdef CONFIG_CURSES
4069 if (display_type
== DT_CURSES
) {
4070 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4076 if (display_type
== DT_NOGRAPHIC
) {
4077 if (default_parallel
)
4078 add_device_config(DEV_PARALLEL
, "null");
4079 if (default_serial
&& default_monitor
) {
4080 add_device_config(DEV_SERIAL
, "mon:stdio");
4081 } else if (default_virtcon
&& default_monitor
) {
4082 add_device_config(DEV_VIRTCON
, "mon:stdio");
4083 } else if (default_sclp
&& default_monitor
) {
4084 add_device_config(DEV_SCLP
, "mon:stdio");
4087 add_device_config(DEV_SERIAL
, "stdio");
4088 if (default_virtcon
)
4089 add_device_config(DEV_VIRTCON
, "stdio");
4091 add_device_config(DEV_SCLP
, "stdio");
4093 if (default_monitor
)
4094 monitor_parse("stdio", "readline");
4098 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4099 if (default_parallel
)
4100 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4101 if (default_monitor
)
4102 monitor_parse("vc:80Cx24C", "readline");
4103 if (default_virtcon
)
4104 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4106 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4110 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4111 #if defined(CONFIG_GTK)
4112 display_type
= DT_GTK
;
4113 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4114 display_type
= DT_SDL
;
4115 #elif defined(CONFIG_VNC)
4116 vnc_display
= "localhost:0,to=99";
4119 display_type
= DT_NONE
;
4123 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4124 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4125 "for SDL, ignoring option\n");
4127 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4128 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4129 "ignoring option\n");
4132 #if defined(CONFIG_GTK)
4133 if (display_type
== DT_GTK
) {
4134 early_gtk_display_init();
4140 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4142 #ifdef CONFIG_VIRTFS
4143 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4150 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4155 /* init the memory */
4156 if (ram_size
== 0) {
4157 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4160 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4165 configure_accelerator(machine
);
4168 Error
*local_err
= NULL
;
4169 qtest_init(qtest_chrdev
, qtest_log
, &local_err
);
4171 error_report("%s", error_get_pretty(local_err
));
4172 error_free(local_err
);
4177 machine_opts
= qemu_get_machine_opts();
4178 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4179 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4180 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4181 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4183 boot_order
= machine
->default_boot_order
;
4184 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4186 char *normal_boot_order
;
4187 const char *order
, *once
;
4189 order
= qemu_opt_get(opts
, "order");
4191 validate_bootdevices(order
);
4195 once
= qemu_opt_get(opts
, "once");
4197 validate_bootdevices(once
);
4198 normal_boot_order
= g_strdup(boot_order
);
4200 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4203 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4204 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4207 if (!kernel_cmdline
) {
4208 kernel_cmdline
= "";
4211 linux_boot
= (kernel_filename
!= NULL
);
4213 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4214 fprintf(stderr
, "-append only allowed with -kernel option\n");
4218 if (!linux_boot
&& initrd_filename
!= NULL
) {
4219 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4223 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4224 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4228 os_set_line_buffering();
4230 qemu_init_cpu_loop();
4231 qemu_mutex_lock_iothread();
4234 /* spice needs the timers to be initialized by this point */
4238 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4239 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4242 configure_icount(icount_option
);
4244 /* clean up network at qemu process termination */
4245 atexit(&net_cleanup
);
4247 if (net_init_clients() < 0) {
4252 if (tpm_init() < 0) {
4257 /* init the bluetooth world */
4258 if (foreach_device_config(DEV_BT
, bt_parse
))
4261 if (!xen_enabled()) {
4262 /* On 32-bit hosts, QEMU is limited by virtual address space */
4263 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4264 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4269 cpu_exec_init_all();
4273 /* open the virtual block devices */
4275 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4276 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4277 &machine
->block_default_type
, 1) != 0) {
4281 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4283 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4284 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4286 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4288 if (nb_numa_nodes
> 0) {
4291 if (nb_numa_nodes
> MAX_NODES
) {
4292 nb_numa_nodes
= MAX_NODES
;
4295 /* If no memory size if given for any node, assume the default case
4296 * and distribute the available memory equally across all nodes
4298 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4299 if (node_mem
[i
] != 0)
4302 if (i
== nb_numa_nodes
) {
4303 uint64_t usedmem
= 0;
4305 /* On Linux, the each node's border has to be 8MB aligned,
4306 * the final node gets the rest.
4308 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4309 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4310 usedmem
+= node_mem
[i
];
4312 node_mem
[i
] = ram_size
- usedmem
;
4315 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4316 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4320 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4321 * must cope with this anyway, because there are BIOSes out there in
4322 * real machines which also use this scheme.
4324 if (i
== nb_numa_nodes
) {
4325 for (i
= 0; i
< max_cpus
; i
++) {
4326 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4331 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4335 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4337 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4339 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4341 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4344 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4347 /* If no default VGA is requested, the default is "none". */
4349 if (cirrus_vga_available()) {
4350 vga_model
= "cirrus";
4351 } else if (vga_available()) {
4356 select_vgahw(vga_model
);
4360 i
= select_watchdog(watchdog
);
4362 exit (i
== 1 ? 1 : 0);
4365 if (machine
->compat_props
) {
4366 qdev_prop_register_global_list(machine
->compat_props
);
4370 qdev_machine_init();
4372 QEMUMachineInitArgs args
= { .machine
= machine
,
4373 .ram_size
= ram_size
,
4374 .boot_order
= boot_order
,
4375 .kernel_filename
= kernel_filename
,
4376 .kernel_cmdline
= kernel_cmdline
,
4377 .initrd_filename
= initrd_filename
,
4378 .cpu_model
= cpu_model
};
4380 current_machine
->init_args
= args
;
4381 machine
->init(¤t_machine
->init_args
);
4385 cpu_synchronize_all_post_init();
4389 /* init USB devices */
4390 if (usb_enabled(false)) {
4391 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4395 /* init generic devices */
4396 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4399 net_check_clients();
4401 ds
= init_displaystate();
4403 /* init local displays */
4404 switch (display_type
) {
4406 (void)ds
; /* avoid warning if no display is configured */
4408 #if defined(CONFIG_CURSES)
4410 curses_display_init(ds
, full_screen
);
4413 #if defined(CONFIG_SDL)
4415 sdl_display_init(ds
, full_screen
, no_frame
);
4417 #elif defined(CONFIG_COCOA)
4419 cocoa_display_init(ds
, full_screen
);
4422 #if defined(CONFIG_GTK)
4424 gtk_display_init(ds
, full_screen
, grab_on_hover
);
4431 /* must be after terminal init, SDL library changes signal handlers */
4432 os_setup_signal_handling();
4435 /* init remote displays */
4437 Error
*local_err
= NULL
;
4438 vnc_display_init(ds
);
4439 vnc_display_open(ds
, vnc_display
, &local_err
);
4440 if (local_err
!= NULL
) {
4441 error_report("Failed to start VNC server on `%s': %s",
4442 vnc_display
, error_get_pretty(local_err
));
4443 error_free(local_err
);
4447 if (show_vnc_port
) {
4448 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4454 qemu_spice_display_init();
4458 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4462 qdev_machine_creation_done();
4464 if (rom_load_all() != 0) {
4465 fprintf(stderr
, "rom loading failed\n");
4469 /* TODO: once all bus devices are qdevified, this should be done
4470 * when bus is created by qdev.c */
4471 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4472 qemu_run_machine_init_done_notifiers();
4474 /* Done notifiers can load ROMs */
4477 qemu_system_reset(VMRESET_SILENT
);
4479 if (load_vmstate(loadvm
) < 0) {
4485 Error
*local_err
= NULL
;
4486 qemu_start_incoming_migration(incoming
, &local_err
);
4488 error_report("-incoming %s: %s", incoming
,
4489 error_get_pretty(local_err
));
4490 error_free(local_err
);
4493 } else if (autostart
) {
4499 if (is_daemonized()) {
4500 if (!trace_backend_init(trace_events
, trace_file
)) {