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 "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "sysemu/seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc
, char **argv
, char **envp
);
100 int main(int argc
, char **argv
)
102 return qemu_main(argc
, argv
, NULL
);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir
[16];
183 static int data_dir_idx
;
184 const char *bios_name
= NULL
;
185 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
186 DisplayType display_type
= DT_DEFAULT
;
187 static int display_remote
;
188 const char* keyboard_layout
= NULL
;
190 const char *mem_path
= NULL
;
192 int mem_prealloc
= 0; /* force preallocation of physical target memory */
195 NICInfo nd_table
[MAX_NICS
];
197 static int rtc_utc
= 1;
198 static int rtc_date_offset
= -1; /* -1 means no change */
199 QEMUClock
*rtc_clock
;
200 int vga_interface_type
= VGA_NONE
;
201 static int full_screen
= 0;
203 static int no_frame
= 0;
206 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
207 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
208 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
209 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
210 int win2k_install_hack
= 0;
217 const char *vnc_display
;
219 int acpi_enabled
= 1;
222 static int no_reboot
;
225 int graphic_rotate
= 0;
226 const char *watchdog
;
227 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
229 int semihosting_enabled
= 0;
231 const char *qemu_name
;
234 unsigned int nb_prom_envs
= 0;
235 const char *prom_envs
[MAX_PROM_ENVS
];
238 uint8_t *boot_splash_filedata
;
239 size_t boot_splash_filedata_size
;
240 uint8_t qemu_extra_params_fw
[2];
242 typedef struct FWBootEntry FWBootEntry
;
245 QTAILQ_ENTRY(FWBootEntry
) link
;
251 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
252 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
255 uint64_t node_mem
[MAX_NODES
];
256 unsigned long *node_cpumask
[MAX_NODES
];
258 uint8_t qemu_uuid
[16];
260 static QEMUBootSetHandler
*boot_set_handler
;
261 static void *boot_set_opaque
;
263 static NotifierList exit_notifiers
=
264 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
266 static NotifierList machine_init_done_notifiers
=
267 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
269 static bool tcg_allowed
= true;
273 enum xen_mode xen_mode
= XEN_EMULATE
;
274 static int tcg_tb_size
;
276 static int default_serial
= 1;
277 static int default_parallel
= 1;
278 static int default_virtcon
= 1;
279 static int default_sclp
= 1;
280 static int default_monitor
= 1;
281 static int default_floppy
= 1;
282 static int default_cdrom
= 1;
283 static int default_sdcard
= 1;
284 static int default_vga
= 1;
290 { .driver
= "isa-serial", .flag
= &default_serial
},
291 { .driver
= "isa-parallel", .flag
= &default_parallel
},
292 { .driver
= "isa-fdc", .flag
= &default_floppy
},
293 { .driver
= "ide-cd", .flag
= &default_cdrom
},
294 { .driver
= "ide-hd", .flag
= &default_cdrom
},
295 { .driver
= "ide-drive", .flag
= &default_cdrom
},
296 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
297 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
298 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
299 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
300 { .driver
= "VGA", .flag
= &default_vga
},
301 { .driver
= "isa-vga", .flag
= &default_vga
},
302 { .driver
= "cirrus-vga", .flag
= &default_vga
},
303 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
304 { .driver
= "vmware-svga", .flag
= &default_vga
},
305 { .driver
= "qxl-vga", .flag
= &default_vga
},
308 static QemuOptsList qemu_rtc_opts
= {
310 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
314 .type
= QEMU_OPT_STRING
,
317 .type
= QEMU_OPT_STRING
,
320 .type
= QEMU_OPT_STRING
,
322 { /* end of list */ }
326 static QemuOptsList qemu_sandbox_opts
= {
328 .implied_opt_name
= "enable",
329 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
333 .type
= QEMU_OPT_BOOL
,
335 { /* end of list */ }
339 static QemuOptsList qemu_trace_opts
= {
341 .implied_opt_name
= "trace",
342 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
346 .type
= QEMU_OPT_STRING
,
349 .type
= QEMU_OPT_STRING
,
351 { /* end of list */ }
355 static QemuOptsList qemu_option_rom_opts
= {
356 .name
= "option-rom",
357 .implied_opt_name
= "romfile",
358 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
362 .type
= QEMU_OPT_NUMBER
,
365 .type
= QEMU_OPT_STRING
,
367 { /* end of list */ }
371 static QemuOptsList qemu_machine_opts
= {
373 .implied_opt_name
= "type",
375 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
379 .type
= QEMU_OPT_STRING
,
380 .help
= "emulated machine"
383 .type
= QEMU_OPT_STRING
,
384 .help
= "accelerator list",
386 .name
= "kernel_irqchip",
387 .type
= QEMU_OPT_BOOL
,
388 .help
= "use KVM in-kernel irqchip",
390 .name
= "kvm_shadow_mem",
391 .type
= QEMU_OPT_SIZE
,
392 .help
= "KVM shadow MMU size",
395 .type
= QEMU_OPT_STRING
,
396 .help
= "Linux kernel image file",
399 .type
= QEMU_OPT_STRING
,
400 .help
= "Linux initial ramdisk file",
403 .type
= QEMU_OPT_STRING
,
404 .help
= "Linux kernel command line",
407 .type
= QEMU_OPT_STRING
,
408 .help
= "Linux kernel device tree file",
411 .type
= QEMU_OPT_STRING
,
412 .help
= "Dump current dtb to a file and quit",
414 .name
= "phandle_start",
415 .type
= QEMU_OPT_STRING
,
416 .help
= "The first phandle ID we may generate dynamically",
418 .name
= "dt_compatible",
419 .type
= QEMU_OPT_STRING
,
420 .help
= "Overrides the \"compatible\" property of the dt root node",
422 .name
= "dump-guest-core",
423 .type
= QEMU_OPT_BOOL
,
424 .help
= "Include guest memory in a core dump",
427 .type
= QEMU_OPT_BOOL
,
428 .help
= "enable/disable memory merge support",
431 .type
= QEMU_OPT_BOOL
,
432 .help
= "Set on/off to enable/disable usb",
434 { /* End of list */ }
438 static QemuOptsList qemu_boot_opts
= {
440 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
442 /* the three names below are not used now */
445 .type
= QEMU_OPT_STRING
,
448 .type
= QEMU_OPT_STRING
,
451 .type
= QEMU_OPT_STRING
,
452 /* following are really used */
455 .type
= QEMU_OPT_STRING
,
457 .name
= "splash-time",
458 .type
= QEMU_OPT_STRING
,
460 .name
= "reboot-timeout",
461 .type
= QEMU_OPT_STRING
,
464 .type
= QEMU_OPT_STRING
,
470 static QemuOptsList qemu_add_fd_opts
= {
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
476 .type
= QEMU_OPT_NUMBER
,
477 .help
= "file descriptor of which a duplicate is added to fd set",
480 .type
= QEMU_OPT_NUMBER
,
481 .help
= "ID of the fd set to add fd to",
484 .type
= QEMU_OPT_STRING
,
485 .help
= "free-form string used to describe fd",
487 { /* end of list */ }
491 static QemuOptsList qemu_object_opts
= {
493 .implied_opt_name
= "qom-type",
494 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
500 static QemuOptsList qemu_tpmdev_opts
= {
502 .implied_opt_name
= "type",
503 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
507 .type
= QEMU_OPT_STRING
,
508 .help
= "Type of TPM backend",
511 .name
= "cancel-path",
512 .type
= QEMU_OPT_STRING
,
513 .help
= "Sysfs file entry for canceling TPM commands",
517 .type
= QEMU_OPT_STRING
,
518 .help
= "Path to TPM device on the host",
520 { /* end of list */ }
524 const char *qemu_get_vm_name(void)
529 static void res_free(void)
531 if (boot_splash_filedata
!= NULL
) {
532 g_free(boot_splash_filedata
);
533 boot_splash_filedata
= NULL
;
537 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
539 const char *driver
= qemu_opt_get(opts
, "driver");
544 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
545 if (strcmp(default_list
[i
].driver
, driver
) != 0)
547 *(default_list
[i
].flag
) = 0;
552 /***********************************************************/
555 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
560 } RunStateTransition
;
562 static const RunStateTransition runstate_transitions_def
[] = {
564 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
566 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
567 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
569 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
570 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
572 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
573 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
576 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
579 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
582 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
583 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
585 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
586 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
588 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
590 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
591 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
592 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
593 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
594 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
595 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
596 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
597 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
598 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
600 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
602 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
603 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
605 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
606 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
607 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
608 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
610 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
611 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
613 { RUN_STATE_MAX
, RUN_STATE_MAX
},
616 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
618 bool runstate_check(RunState state
)
620 return current_run_state
== state
;
623 static void runstate_init(void)
625 const RunStateTransition
*p
;
627 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
629 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
630 runstate_valid_transitions
[p
->from
][p
->to
] = true;
634 /* This function will abort() on invalid state transitions */
635 void runstate_set(RunState new_state
)
637 assert(new_state
< RUN_STATE_MAX
);
639 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
640 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
641 RunState_lookup
[current_run_state
],
642 RunState_lookup
[new_state
]);
645 trace_runstate_set(new_state
);
646 current_run_state
= new_state
;
649 int runstate_is_running(void)
651 return runstate_check(RUN_STATE_RUNNING
);
654 StatusInfo
*qmp_query_status(Error
**errp
)
656 StatusInfo
*info
= g_malloc0(sizeof(*info
));
658 info
->running
= runstate_is_running();
659 info
->singlestep
= singlestep
;
660 info
->status
= current_run_state
;
665 /***********************************************************/
666 /* real time host monotonic timer */
668 /***********************************************************/
669 /* host time/date access */
670 void qemu_get_timedate(struct tm
*tm
, int offset
)
676 if (rtc_date_offset
== -1) {
680 localtime_r(&ti
, tm
);
682 ti
-= rtc_date_offset
;
687 int qemu_timedate_diff(struct tm
*tm
)
691 if (rtc_date_offset
== -1)
693 seconds
= mktimegm(tm
);
696 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
697 seconds
= mktime(&tmp
);
700 seconds
= mktimegm(tm
) + rtc_date_offset
;
702 return seconds
- time(NULL
);
705 void rtc_change_mon_event(struct tm
*tm
)
709 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
710 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
711 qobject_decref(data
);
714 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
716 time_t rtc_start_date
;
719 if (!strcmp(startdate
, "now") && legacy
) {
720 rtc_date_offset
= -1;
722 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
730 } else if (sscanf(startdate
, "%d-%d-%d",
742 rtc_start_date
= mktimegm(&tm
);
743 if (rtc_start_date
== -1) {
745 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
746 "'2006-06-17T16:01:21' or '2006-06-17'\n");
749 rtc_date_offset
= time(NULL
) - rtc_start_date
;
753 static void configure_rtc(QemuOpts
*opts
)
757 value
= qemu_opt_get(opts
, "base");
759 if (!strcmp(value
, "utc")) {
761 } else if (!strcmp(value
, "localtime")) {
764 configure_rtc_date_offset(value
, 0);
767 value
= qemu_opt_get(opts
, "clock");
769 if (!strcmp(value
, "host")) {
770 rtc_clock
= host_clock
;
771 } else if (!strcmp(value
, "rt")) {
772 rtc_clock
= rt_clock
;
773 } else if (!strcmp(value
, "vm")) {
774 rtc_clock
= vm_clock
;
776 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
780 value
= qemu_opt_get(opts
, "driftfix");
782 if (!strcmp(value
, "slew")) {
783 static GlobalProperty slew_lost_ticks
[] = {
785 .driver
= "mc146818rtc",
786 .property
= "lost_tick_policy",
789 { /* end of list */ }
792 qdev_prop_register_global_list(slew_lost_ticks
);
793 } else if (!strcmp(value
, "none")) {
794 /* discard is default */
796 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
802 /***********************************************************/
803 /* Bluetooth support */
806 static struct HCIInfo
*hci_table
[MAX_NICS
];
808 static struct bt_vlan_s
{
809 struct bt_scatternet_s net
;
811 struct bt_vlan_s
*next
;
814 /* find or alloc a new bluetooth "VLAN" */
815 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
817 struct bt_vlan_s
**pvlan
, *vlan
;
818 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
822 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
824 pvlan
= &first_bt_vlan
;
825 while (*pvlan
!= NULL
)
826 pvlan
= &(*pvlan
)->next
;
831 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
835 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
840 static struct HCIInfo null_hci
= {
841 .cmd_send
= null_hci_send
,
842 .sco_send
= null_hci_send
,
843 .acl_send
= null_hci_send
,
844 .bdaddr_set
= null_hci_addr_set
,
847 struct HCIInfo
*qemu_next_hci(void)
849 if (cur_hci
== nb_hcis
)
852 return hci_table
[cur_hci
++];
855 static struct HCIInfo
*hci_init(const char *str
)
858 struct bt_scatternet_s
*vlan
= 0;
860 if (!strcmp(str
, "null"))
863 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
865 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
866 else if (!strncmp(str
, "hci", 3)) {
869 if (!strncmp(str
+ 3, ",vlan=", 6)) {
870 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
875 vlan
= qemu_find_bt_vlan(0);
877 return bt_new_hci(vlan
);
880 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
885 static int bt_hci_parse(const char *str
)
890 if (nb_hcis
>= MAX_NICS
) {
891 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
904 bdaddr
.b
[5] = 0x56 + nb_hcis
;
905 hci
->bdaddr_set(hci
, bdaddr
.b
);
907 hci_table
[nb_hcis
++] = hci
;
912 static void bt_vhci_add(int vlan_id
)
914 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
917 fprintf(stderr
, "qemu: warning: adding a VHCI to "
918 "an empty scatternet %i\n", vlan_id
);
920 bt_vhci_init(bt_new_hci(vlan
));
923 static struct bt_device_s
*bt_device_add(const char *opt
)
925 struct bt_scatternet_s
*vlan
;
927 char *endp
= strstr(opt
, ",vlan=");
928 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
931 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
934 vlan_id
= strtol(endp
+ 6, &endp
, 0);
936 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
941 vlan
= qemu_find_bt_vlan(vlan_id
);
944 fprintf(stderr
, "qemu: warning: adding a slave device to "
945 "an empty scatternet %i\n", vlan_id
);
947 if (!strcmp(devname
, "keyboard"))
948 return bt_keyboard_init(vlan
);
950 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
954 static int bt_parse(const char *opt
)
956 const char *endp
, *p
;
959 if (strstart(opt
, "hci", &endp
)) {
960 if (!*endp
|| *endp
== ',') {
962 if (!strstart(endp
, ",vlan=", 0))
965 return bt_hci_parse(opt
);
967 } else if (strstart(opt
, "vhci", &endp
)) {
968 if (!*endp
|| *endp
== ',') {
970 if (strstart(endp
, ",vlan=", &p
)) {
971 vlan
= strtol(p
, (char **) &endp
, 0);
973 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
977 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
986 } else if (strstart(opt
, "device:", &endp
))
987 return !bt_device_add(endp
);
989 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
993 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
995 /* FIXME: change this to true for 1.3 */
996 if (qemu_opt_get_bool(opts
, "enable", false)) {
997 #ifdef CONFIG_SECCOMP
998 if (seccomp_start() < 0) {
999 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1000 "failed to install seccomp syscall filter in the kernel");
1004 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1005 "sandboxing request but seccomp is not compiled into this build");
1013 /*********QEMU USB setting******/
1014 bool usb_enabled(bool default_usb
)
1016 QemuOpts
*mach_opts
;
1017 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1019 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1025 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1027 int fd
, dupfd
, flags
;
1029 const char *fd_opaque
= NULL
;
1031 fd
= qemu_opt_get_number(opts
, "fd", -1);
1032 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1033 fd_opaque
= qemu_opt_get(opts
, "opaque");
1036 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1037 "fd option is required and must be non-negative");
1041 if (fd
<= STDERR_FILENO
) {
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1043 "fd cannot be a standard I/O stream");
1048 * All fds inherited across exec() necessarily have FD_CLOEXEC
1049 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1051 flags
= fcntl(fd
, F_GETFD
);
1052 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1053 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1054 "fd is not valid or already in use");
1059 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1060 "set option is required and must be non-negative");
1064 #ifdef F_DUPFD_CLOEXEC
1065 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1069 qemu_set_cloexec(dupfd
);
1073 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1074 "Error duplicating fd: %s", strerror(errno
));
1078 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1079 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1085 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1089 fd
= qemu_opt_get_number(opts
, "fd", -1);
1096 /***********************************************************/
1097 /* QEMU Block devices */
1099 #define HD_OPTS "media=disk"
1100 #define CDROM_OPTS "media=cdrom"
1102 #define PFLASH_OPTS ""
1106 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1108 BlockInterfaceType
*block_default_type
= opaque
;
1110 return drive_init(opts
, *block_default_type
) == NULL
;
1113 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1115 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1116 qemu_opt_set(opts
, "snapshot", "on");
1121 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1122 int index
, const char *optstr
)
1126 if (!enable
|| drive_get_by_index(type
, index
)) {
1130 opts
= drive_add(type
, index
, NULL
, optstr
);
1132 drive_enable_snapshot(opts
, NULL
);
1134 if (!drive_init(opts
, type
)) {
1139 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1141 boot_set_handler
= func
;
1142 boot_set_opaque
= opaque
;
1145 int qemu_boot_set(const char *boot_devices
)
1147 if (!boot_set_handler
) {
1150 return boot_set_handler(boot_set_opaque
, boot_devices
);
1153 static void validate_bootdevices(char *devices
)
1155 /* We just do some generic consistency checks */
1159 for (p
= devices
; *p
!= '\0'; p
++) {
1160 /* Allowed boot devices are:
1161 * a-b: floppy disk drives
1162 * c-f: IDE disk drives
1163 * g-m: machine implementation dependent drives
1164 * n-p: network devices
1165 * It's up to each machine implementation to check if the given boot
1166 * devices match the actual hardware implementation and firmware
1169 if (*p
< 'a' || *p
> 'p') {
1170 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1173 if (bitmap
& (1 << (*p
- 'a'))) {
1174 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1177 bitmap
|= 1 << (*p
- 'a');
1181 static void restore_boot_devices(void *opaque
)
1183 char *standard_boot_devices
= opaque
;
1184 static int first
= 1;
1186 /* Restore boot order and remove ourselves after the first boot */
1192 qemu_boot_set(standard_boot_devices
);
1194 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1195 g_free(standard_boot_devices
);
1198 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1201 FWBootEntry
*node
, *i
;
1203 if (bootindex
< 0) {
1207 assert(dev
!= NULL
|| suffix
!= NULL
);
1209 node
= g_malloc0(sizeof(FWBootEntry
));
1210 node
->bootindex
= bootindex
;
1211 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
1214 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1215 if (i
->bootindex
== bootindex
) {
1216 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1218 } else if (i
->bootindex
< bootindex
) {
1221 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1224 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1228 * This function returns null terminated string that consist of new line
1229 * separated device paths.
1231 * memory pointed by "size" is assigned total length of the array in bytes
1234 char *get_boot_devices_list(size_t *size
)
1240 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1241 char *devpath
= NULL
, *bootpath
;
1245 devpath
= qdev_get_fw_dev_path(i
->dev
);
1249 if (i
->suffix
&& devpath
) {
1250 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1252 bootpath
= g_malloc(bootpathlen
);
1253 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1255 } else if (devpath
) {
1259 bootpath
= g_strdup(i
->suffix
);
1263 list
[total
-1] = '\n';
1265 len
= strlen(bootpath
) + 1;
1266 list
= g_realloc(list
, total
+ len
);
1267 memcpy(&list
[total
], bootpath
, len
);
1274 if (boot_strict
&& *size
> 0) {
1275 list
[total
-1] = '\n';
1276 list
= g_realloc(list
, total
+ 5);
1277 memcpy(&list
[total
], "HALT", 5);
1283 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1286 unsigned long long value
, endvalue
;
1288 /* Empty CPU range strings will be considered valid, they will simply
1289 * not set any bit in the CPU bitmap.
1295 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1298 if (*endptr
== '-') {
1299 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1302 } else if (*endptr
== '\0') {
1308 if (endvalue
>= MAX_CPUMASK_BITS
) {
1309 endvalue
= MAX_CPUMASK_BITS
- 1;
1311 "qemu: NUMA: A max of %d VCPUs are supported\n",
1315 if (endvalue
< value
) {
1319 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1323 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1327 static void numa_add(const char *optarg
)
1331 unsigned long long nodenr
;
1333 optarg
= get_opt_name(option
, 128, optarg
, ',');
1334 if (*optarg
== ',') {
1337 if (!strcmp(option
, "node")) {
1339 if (nb_numa_nodes
>= MAX_NODES
) {
1340 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1344 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1345 nodenr
= nb_numa_nodes
;
1347 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1348 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1353 if (nodenr
>= MAX_NODES
) {
1354 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1358 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1359 node_mem
[nodenr
] = 0;
1362 sval
= strtosz(option
, &endptr
);
1363 if (sval
< 0 || *endptr
) {
1364 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1367 node_mem
[nodenr
] = sval
;
1369 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1370 numa_node_parse_cpus(nodenr
, option
);
1374 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1379 static void smp_parse(const char *optarg
)
1381 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1385 smp
= strtoul(optarg
, &endptr
, 10);
1386 if (endptr
!= optarg
) {
1387 if (*endptr
== ',') {
1391 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1392 sockets
= strtoull(option
, NULL
, 10);
1393 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1394 cores
= strtoull(option
, NULL
, 10);
1395 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1396 threads
= strtoull(option
, NULL
, 10);
1397 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1398 max_cpus
= strtoull(option
, NULL
, 10);
1400 /* compute missing values, prefer sockets over cores over threads */
1401 if (smp
== 0 || sockets
== 0) {
1402 sockets
= sockets
> 0 ? sockets
: 1;
1403 cores
= cores
> 0 ? cores
: 1;
1404 threads
= threads
> 0 ? threads
: 1;
1406 smp
= cores
* threads
* sockets
;
1410 threads
= threads
> 0 ? threads
: 1;
1411 cores
= smp
/ (sockets
* threads
);
1413 threads
= smp
/ (cores
* sockets
);
1417 smp_cores
= cores
> 0 ? cores
: 1;
1418 smp_threads
= threads
> 0 ? threads
: 1;
1420 max_cpus
= smp_cpus
;
1423 /***********************************************************/
1426 static int usb_device_add(const char *devname
)
1429 USBDevice
*dev
= NULL
;
1431 if (!usb_enabled(false)) {
1435 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1436 dev
= usbdevice_create(devname
);
1440 /* the other ones */
1441 #ifndef CONFIG_LINUX
1442 /* only the linux version is qdev-ified, usb-bsd still needs this */
1443 if (strstart(devname
, "host:", &p
)) {
1444 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1447 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1448 dev
= usb_bt_init(usb_bus_find(-1),
1449 devname
[2] ? hci_init(p
)
1450 : bt_new_hci(qemu_find_bt_vlan(0)));
1461 static int usb_device_del(const char *devname
)
1466 if (strstart(devname
, "host:", &p
)) {
1470 if (!usb_enabled(false)) {
1474 p
= strchr(devname
, '.');
1477 bus_num
= strtoul(devname
, NULL
, 0);
1478 addr
= strtoul(p
+ 1, NULL
, 0);
1480 return usb_device_delete_addr(bus_num
, addr
);
1483 static int usb_parse(const char *cmdline
)
1486 r
= usb_device_add(cmdline
);
1488 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1493 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1495 const char *devname
= qdict_get_str(qdict
, "devname");
1496 if (usb_device_add(devname
) < 0) {
1497 error_report("could not add USB device '%s'", devname
);
1501 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1503 const char *devname
= qdict_get_str(qdict
, "devname");
1504 if (usb_device_del(devname
) < 0) {
1505 error_report("could not delete USB device '%s'", devname
);
1509 /***********************************************************/
1510 /* PCMCIA/Cardbus */
1512 static struct pcmcia_socket_entry_s
{
1513 PCMCIASocket
*socket
;
1514 struct pcmcia_socket_entry_s
*next
;
1515 } *pcmcia_sockets
= 0;
1517 void pcmcia_socket_register(PCMCIASocket
*socket
)
1519 struct pcmcia_socket_entry_s
*entry
;
1521 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1522 entry
->socket
= socket
;
1523 entry
->next
= pcmcia_sockets
;
1524 pcmcia_sockets
= entry
;
1527 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1529 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1531 ptr
= &pcmcia_sockets
;
1532 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1533 if (entry
->socket
== socket
) {
1539 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1541 struct pcmcia_socket_entry_s
*iter
;
1543 if (!pcmcia_sockets
)
1544 monitor_printf(mon
, "No PCMCIA sockets\n");
1546 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1547 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1548 iter
->socket
->attached
? iter
->socket
->card_string
:
1552 /***********************************************************/
1553 /* machine registration */
1555 static QEMUMachine
*first_machine
= NULL
;
1556 QEMUMachine
*current_machine
= NULL
;
1558 int qemu_register_machine(QEMUMachine
*m
)
1561 pm
= &first_machine
;
1569 static QEMUMachine
*find_machine(const char *name
)
1573 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1574 if (!strcmp(m
->name
, name
))
1576 if (m
->alias
&& !strcmp(m
->alias
, name
))
1582 QEMUMachine
*find_default_machine(void)
1586 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1587 if (m
->is_default
) {
1594 MachineInfoList
*qmp_query_machines(Error
**errp
)
1596 MachineInfoList
*mach_list
= NULL
;
1599 for (m
= first_machine
; m
; m
= m
->next
) {
1600 MachineInfoList
*entry
;
1603 info
= g_malloc0(sizeof(*info
));
1604 if (m
->is_default
) {
1605 info
->has_is_default
= true;
1606 info
->is_default
= true;
1610 info
->has_alias
= true;
1611 info
->alias
= g_strdup(m
->alias
);
1614 info
->name
= g_strdup(m
->name
);
1615 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1617 entry
= g_malloc0(sizeof(*entry
));
1618 entry
->value
= info
;
1619 entry
->next
= mach_list
;
1626 /***********************************************************/
1627 /* main execution loop */
1629 struct vm_change_state_entry
{
1630 VMChangeStateHandler
*cb
;
1632 QLIST_ENTRY (vm_change_state_entry
) entries
;
1635 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1637 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1640 VMChangeStateEntry
*e
;
1642 e
= g_malloc0(sizeof (*e
));
1646 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1650 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1652 QLIST_REMOVE (e
, entries
);
1656 void vm_state_notify(int running
, RunState state
)
1658 VMChangeStateEntry
*e
;
1660 trace_vm_state_notify(running
, state
);
1662 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1663 e
->cb(e
->opaque
, running
, state
);
1669 if (!runstate_is_running()) {
1671 runstate_set(RUN_STATE_RUNNING
);
1672 vm_state_notify(1, RUN_STATE_RUNNING
);
1674 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1678 /* reset/shutdown handler */
1680 typedef struct QEMUResetEntry
{
1681 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1682 QEMUResetHandler
*func
;
1686 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1687 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1688 static int reset_requested
;
1689 static int shutdown_requested
, shutdown_signal
= -1;
1690 static pid_t shutdown_pid
;
1691 static int powerdown_requested
;
1692 static int debug_requested
;
1693 static int suspend_requested
;
1694 static int wakeup_requested
;
1695 static NotifierList powerdown_notifiers
=
1696 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1697 static NotifierList suspend_notifiers
=
1698 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1699 static NotifierList wakeup_notifiers
=
1700 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1701 static uint32_t wakeup_reason_mask
= ~0;
1702 static RunState vmstop_requested
= RUN_STATE_MAX
;
1704 int qemu_shutdown_requested_get(void)
1706 return shutdown_requested
;
1709 int qemu_reset_requested_get(void)
1711 return reset_requested
;
1714 static int qemu_shutdown_requested(void)
1716 int r
= shutdown_requested
;
1717 shutdown_requested
= 0;
1721 static void qemu_kill_report(void)
1723 if (!qtest_enabled() && shutdown_signal
!= -1) {
1724 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1725 if (shutdown_pid
== 0) {
1726 /* This happens for eg ^C at the terminal, so it's worth
1727 * avoiding printing an odd message in that case.
1729 fputc('\n', stderr
);
1731 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1733 shutdown_signal
= -1;
1737 static int qemu_reset_requested(void)
1739 int r
= reset_requested
;
1740 reset_requested
= 0;
1744 static int qemu_suspend_requested(void)
1746 int r
= suspend_requested
;
1747 suspend_requested
= 0;
1751 static int qemu_wakeup_requested(void)
1753 int r
= wakeup_requested
;
1754 wakeup_requested
= 0;
1758 static int qemu_powerdown_requested(void)
1760 int r
= powerdown_requested
;
1761 powerdown_requested
= 0;
1765 static int qemu_debug_requested(void)
1767 int r
= debug_requested
;
1768 debug_requested
= 0;
1772 /* We use RUN_STATE_MAX but any invalid value will do */
1773 static bool qemu_vmstop_requested(RunState
*r
)
1775 if (vmstop_requested
< RUN_STATE_MAX
) {
1776 *r
= vmstop_requested
;
1777 vmstop_requested
= RUN_STATE_MAX
;
1784 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1786 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1789 re
->opaque
= opaque
;
1790 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1793 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1797 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1798 if (re
->func
== func
&& re
->opaque
== opaque
) {
1799 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1806 void qemu_devices_reset(void)
1808 QEMUResetEntry
*re
, *nre
;
1810 /* reset all devices */
1811 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1812 re
->func(re
->opaque
);
1816 void qemu_system_reset(bool report
)
1818 if (current_machine
&& current_machine
->reset
) {
1819 current_machine
->reset();
1821 qemu_devices_reset();
1824 monitor_protocol_event(QEVENT_RESET
, NULL
);
1826 cpu_synchronize_all_post_reset();
1829 void qemu_system_reset_request(void)
1832 shutdown_requested
= 1;
1834 reset_requested
= 1;
1837 qemu_notify_event();
1840 static void qemu_system_suspend(void)
1843 notifier_list_notify(&suspend_notifiers
, NULL
);
1844 runstate_set(RUN_STATE_SUSPENDED
);
1845 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1848 void qemu_system_suspend_request(void)
1850 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1853 suspend_requested
= 1;
1855 qemu_notify_event();
1858 void qemu_register_suspend_notifier(Notifier
*notifier
)
1860 notifier_list_add(&suspend_notifiers
, notifier
);
1863 void qemu_system_wakeup_request(WakeupReason reason
)
1865 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1868 if (!(wakeup_reason_mask
& (1 << reason
))) {
1871 runstate_set(RUN_STATE_RUNNING
);
1872 notifier_list_notify(&wakeup_notifiers
, &reason
);
1873 wakeup_requested
= 1;
1874 qemu_notify_event();
1877 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1880 wakeup_reason_mask
|= (1 << reason
);
1882 wakeup_reason_mask
&= ~(1 << reason
);
1886 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1888 notifier_list_add(&wakeup_notifiers
, notifier
);
1891 void qemu_system_killed(int signal
, pid_t pid
)
1893 shutdown_signal
= signal
;
1896 qemu_system_shutdown_request();
1899 void qemu_system_shutdown_request(void)
1901 shutdown_requested
= 1;
1902 qemu_notify_event();
1905 static void qemu_system_powerdown(void)
1907 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1908 notifier_list_notify(&powerdown_notifiers
, NULL
);
1911 void qemu_system_powerdown_request(void)
1913 powerdown_requested
= 1;
1914 qemu_notify_event();
1917 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1919 notifier_list_add(&powerdown_notifiers
, notifier
);
1922 void qemu_system_debug_request(void)
1924 debug_requested
= 1;
1925 qemu_notify_event();
1928 void qemu_system_vmstop_request(RunState state
)
1930 vmstop_requested
= state
;
1931 qemu_notify_event();
1934 static bool main_loop_should_exit(void)
1937 if (qemu_debug_requested()) {
1938 vm_stop(RUN_STATE_DEBUG
);
1940 if (qemu_suspend_requested()) {
1941 qemu_system_suspend();
1943 if (qemu_shutdown_requested()) {
1945 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1947 vm_stop(RUN_STATE_SHUTDOWN
);
1952 if (qemu_reset_requested()) {
1954 cpu_synchronize_all_states();
1955 qemu_system_reset(VMRESET_REPORT
);
1957 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1958 runstate_check(RUN_STATE_SHUTDOWN
)) {
1959 runstate_set(RUN_STATE_PAUSED
);
1962 if (qemu_wakeup_requested()) {
1964 cpu_synchronize_all_states();
1965 qemu_system_reset(VMRESET_SILENT
);
1967 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1969 if (qemu_powerdown_requested()) {
1970 qemu_system_powerdown();
1972 if (qemu_vmstop_requested(&r
)) {
1978 static void main_loop(void)
1982 #ifdef CONFIG_PROFILER
1986 nonblocking
= !kvm_enabled() && last_io
> 0;
1987 #ifdef CONFIG_PROFILER
1988 ti
= profile_getclock();
1990 last_io
= main_loop_wait(nonblocking
);
1991 #ifdef CONFIG_PROFILER
1992 dev_time
+= profile_getclock() - ti
;
1994 } while (!main_loop_should_exit());
1997 static void version(void)
1999 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2002 static void help(int exitcode
)
2005 printf("usage: %s [options] [disk_image]\n\n"
2006 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2007 error_get_progname());
2009 #define QEMU_OPTIONS_GENERATE_HELP
2010 #include "qemu-options-wrapper.h"
2012 printf("\nDuring emulation, the following keys are useful:\n"
2013 "ctrl-alt-f toggle full screen\n"
2014 "ctrl-alt-n switch to virtual console 'n'\n"
2015 "ctrl-alt toggle mouse and keyboard grab\n"
2017 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2022 #define HAS_ARG 0x0001
2024 typedef struct QEMUOption
{
2031 static const QEMUOption qemu_options
[] = {
2032 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2033 #define QEMU_OPTIONS_GENERATE_OPTIONS
2034 #include "qemu-options-wrapper.h"
2038 static bool vga_available(void)
2040 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2043 static bool cirrus_vga_available(void)
2045 return object_class_by_name("cirrus-vga")
2046 || object_class_by_name("isa-cirrus-vga");
2049 static bool vmware_vga_available(void)
2051 return object_class_by_name("vmware-svga");
2054 static bool qxl_vga_available(void)
2056 return object_class_by_name("qxl-vga");
2059 static void select_vgahw (const char *p
)
2063 vga_interface_type
= VGA_NONE
;
2064 if (strstart(p
, "std", &opts
)) {
2065 if (vga_available()) {
2066 vga_interface_type
= VGA_STD
;
2068 fprintf(stderr
, "Error: standard VGA not available\n");
2071 } else if (strstart(p
, "cirrus", &opts
)) {
2072 if (cirrus_vga_available()) {
2073 vga_interface_type
= VGA_CIRRUS
;
2075 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2078 } else if (strstart(p
, "vmware", &opts
)) {
2079 if (vmware_vga_available()) {
2080 vga_interface_type
= VGA_VMWARE
;
2082 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2085 } else if (strstart(p
, "xenfb", &opts
)) {
2086 vga_interface_type
= VGA_XENFB
;
2087 } else if (strstart(p
, "qxl", &opts
)) {
2088 if (qxl_vga_available()) {
2089 vga_interface_type
= VGA_QXL
;
2091 fprintf(stderr
, "Error: QXL VGA not available\n");
2094 } else if (!strstart(p
, "none", &opts
)) {
2096 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2100 const char *nextopt
;
2102 if (strstart(opts
, ",retrace=", &nextopt
)) {
2104 if (strstart(opts
, "dumb", &nextopt
))
2105 vga_retrace_method
= VGA_RETRACE_DUMB
;
2106 else if (strstart(opts
, "precise", &nextopt
))
2107 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2108 else goto invalid_vga
;
2109 } else goto invalid_vga
;
2114 static DisplayType
select_display(const char *p
)
2117 DisplayType display
= DT_DEFAULT
;
2119 if (strstart(p
, "sdl", &opts
)) {
2123 const char *nextopt
;
2125 if (strstart(opts
, ",frame=", &nextopt
)) {
2127 if (strstart(opts
, "on", &nextopt
)) {
2129 } else if (strstart(opts
, "off", &nextopt
)) {
2132 goto invalid_sdl_args
;
2134 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2136 if (strstart(opts
, "on", &nextopt
)) {
2138 } else if (strstart(opts
, "off", &nextopt
)) {
2141 goto invalid_sdl_args
;
2143 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2145 if (strstart(opts
, "on", &nextopt
)) {
2147 } else if (strstart(opts
, "off", &nextopt
)) {
2150 goto invalid_sdl_args
;
2152 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2154 if (strstart(opts
, "on", &nextopt
)) {
2156 } else if (strstart(opts
, "off", &nextopt
)) {
2159 goto invalid_sdl_args
;
2163 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2169 fprintf(stderr
, "SDL support is disabled\n");
2172 } else if (strstart(p
, "vnc", &opts
)) {
2177 const char *nextopt
;
2179 if (strstart(opts
, "=", &nextopt
)) {
2180 vnc_display
= nextopt
;
2184 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2188 fprintf(stderr
, "VNC support is disabled\n");
2191 } else if (strstart(p
, "curses", &opts
)) {
2192 #ifdef CONFIG_CURSES
2193 display
= DT_CURSES
;
2195 fprintf(stderr
, "Curses support is disabled\n");
2198 } else if (strstart(p
, "gtk", &opts
)) {
2202 fprintf(stderr
, "GTK support is disabled\n");
2205 } else if (strstart(p
, "none", &opts
)) {
2208 fprintf(stderr
, "Unknown display type: %s\n", p
);
2215 static int balloon_parse(const char *arg
)
2219 if (strcmp(arg
, "none") == 0) {
2223 if (!strncmp(arg
, "virtio", 6)) {
2224 if (arg
[6] == ',') {
2225 /* have params -> parse them */
2226 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2230 /* create empty opts */
2231 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2233 qemu_opt_set(opts
, "driver", "virtio-balloon");
2240 char *qemu_find_file(int type
, const char *name
)
2246 /* Try the name as a straight path first */
2247 if (access(name
, R_OK
) == 0) {
2248 trace_load_file(name
, name
);
2249 return g_strdup(name
);
2253 case QEMU_FILE_TYPE_BIOS
:
2256 case QEMU_FILE_TYPE_KEYMAP
:
2257 subdir
= "keymaps/";
2263 for (i
= 0; i
< data_dir_idx
; i
++) {
2264 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2265 if (access(buf
, R_OK
) == 0) {
2266 trace_load_file(name
, buf
);
2274 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2276 return qdev_device_help(opts
);
2279 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2283 dev
= qdev_device_add(opts
);
2286 object_unref(OBJECT(dev
));
2290 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2292 Error
*local_err
= NULL
;
2294 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2295 if (error_is_set(&local_err
)) {
2296 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2297 error_free(local_err
);
2303 #ifdef CONFIG_VIRTFS
2304 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2307 ret
= qemu_fsdev_add(opts
);
2313 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2315 CharDriverState
*chr
;
2316 const char *chardev
;
2320 mode
= qemu_opt_get(opts
, "mode");
2324 if (strcmp(mode
, "readline") == 0) {
2325 flags
= MONITOR_USE_READLINE
;
2326 } else if (strcmp(mode
, "control") == 0) {
2327 flags
= MONITOR_USE_CONTROL
;
2329 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2333 if (qemu_opt_get_bool(opts
, "pretty", 0))
2334 flags
|= MONITOR_USE_PRETTY
;
2336 if (qemu_opt_get_bool(opts
, "default", 0))
2337 flags
|= MONITOR_IS_DEFAULT
;
2339 chardev
= qemu_opt_get(opts
, "chardev");
2340 chr
= qemu_chr_find(chardev
);
2342 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2346 qemu_chr_fe_claim_no_fail(chr
);
2347 monitor_init(chr
, flags
);
2351 static void monitor_parse(const char *optarg
, const char *mode
)
2353 static int monitor_device_index
= 0;
2359 if (strstart(optarg
, "chardev:", &p
)) {
2360 snprintf(label
, sizeof(label
), "%s", p
);
2362 snprintf(label
, sizeof(label
), "compat_monitor%d",
2363 monitor_device_index
);
2364 if (monitor_device_index
== 0) {
2367 opts
= qemu_chr_parse_compat(label
, optarg
);
2369 fprintf(stderr
, "parse error: %s\n", optarg
);
2374 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2376 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2379 qemu_opt_set(opts
, "mode", mode
);
2380 qemu_opt_set(opts
, "chardev", label
);
2382 qemu_opt_set(opts
, "default", "on");
2383 monitor_device_index
++;
2386 struct device_config
{
2388 DEV_USB
, /* -usbdevice */
2390 DEV_SERIAL
, /* -serial */
2391 DEV_PARALLEL
, /* -parallel */
2392 DEV_VIRTCON
, /* -virtioconsole */
2393 DEV_DEBUGCON
, /* -debugcon */
2394 DEV_GDB
, /* -gdb, -s */
2395 DEV_SCLP
, /* s390 sclp */
2397 const char *cmdline
;
2399 QTAILQ_ENTRY(device_config
) next
;
2402 static QTAILQ_HEAD(, device_config
) device_configs
=
2403 QTAILQ_HEAD_INITIALIZER(device_configs
);
2405 static void add_device_config(int type
, const char *cmdline
)
2407 struct device_config
*conf
;
2409 conf
= g_malloc0(sizeof(*conf
));
2411 conf
->cmdline
= cmdline
;
2412 loc_save(&conf
->loc
);
2413 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2416 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2418 struct device_config
*conf
;
2421 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2422 if (conf
->type
!= type
)
2424 loc_push_restore(&conf
->loc
);
2425 rc
= func(conf
->cmdline
);
2426 loc_pop(&conf
->loc
);
2433 static int serial_parse(const char *devname
)
2435 static int index
= 0;
2438 if (strcmp(devname
, "none") == 0)
2440 if (index
== MAX_SERIAL_PORTS
) {
2441 fprintf(stderr
, "qemu: too many serial ports\n");
2444 snprintf(label
, sizeof(label
), "serial%d", index
);
2445 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2446 if (!serial_hds
[index
]) {
2447 fprintf(stderr
, "qemu: could not connect serial device"
2448 " to character backend '%s'\n", devname
);
2455 static int parallel_parse(const char *devname
)
2457 static int index
= 0;
2460 if (strcmp(devname
, "none") == 0)
2462 if (index
== MAX_PARALLEL_PORTS
) {
2463 fprintf(stderr
, "qemu: too many parallel ports\n");
2466 snprintf(label
, sizeof(label
), "parallel%d", index
);
2467 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2468 if (!parallel_hds
[index
]) {
2469 fprintf(stderr
, "qemu: could not connect parallel device"
2470 " to character backend '%s'\n", devname
);
2477 static int virtcon_parse(const char *devname
)
2479 QemuOptsList
*device
= qemu_find_opts("device");
2480 static int index
= 0;
2482 QemuOpts
*bus_opts
, *dev_opts
;
2484 if (strcmp(devname
, "none") == 0)
2486 if (index
== MAX_VIRTIO_CONSOLES
) {
2487 fprintf(stderr
, "qemu: too many virtio consoles\n");
2491 bus_opts
= qemu_opts_create_nofail(device
);
2492 if (arch_type
== QEMU_ARCH_S390X
) {
2493 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2495 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2498 dev_opts
= qemu_opts_create_nofail(device
);
2499 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2501 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2502 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2503 if (!virtcon_hds
[index
]) {
2504 fprintf(stderr
, "qemu: could not connect virtio console"
2505 " to character backend '%s'\n", devname
);
2508 qemu_opt_set(dev_opts
, "chardev", label
);
2514 static int sclp_parse(const char *devname
)
2516 QemuOptsList
*device
= qemu_find_opts("device");
2517 static int index
= 0;
2521 if (strcmp(devname
, "none") == 0) {
2524 if (index
== MAX_SCLP_CONSOLES
) {
2525 fprintf(stderr
, "qemu: too many sclp consoles\n");
2529 assert(arch_type
== QEMU_ARCH_S390X
);
2531 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2532 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2534 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2535 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2536 if (!sclp_hds
[index
]) {
2537 fprintf(stderr
, "qemu: could not connect sclp console"
2538 " to character backend '%s'\n", devname
);
2541 qemu_opt_set(dev_opts
, "chardev", label
);
2547 static int debugcon_parse(const char *devname
)
2551 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2554 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2556 fprintf(stderr
, "qemu: already have a debugcon device\n");
2559 qemu_opt_set(opts
, "driver", "isa-debugcon");
2560 qemu_opt_set(opts
, "chardev", "debugcon");
2564 static QEMUMachine
*machine_parse(const char *name
)
2566 QEMUMachine
*m
, *machine
= NULL
;
2569 machine
= find_machine(name
);
2574 printf("Supported machines are:\n");
2575 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2577 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2579 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2580 m
->is_default
? " (default)" : "");
2582 exit(!name
|| !is_help_option(name
));
2585 static int tcg_init(void)
2587 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2592 const char *opt_name
;
2594 int (*available
)(void);
2598 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2599 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2600 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2601 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2604 static int configure_accelerator(void)
2606 const char *p
= NULL
;
2609 bool accel_initialised
= false;
2610 bool init_failed
= false;
2612 QemuOptsList
*list
= qemu_find_opts("machine");
2613 if (!QTAILQ_EMPTY(&list
->head
)) {
2614 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2618 /* Use the default "accelerator", tcg */
2622 while (!accel_initialised
&& *p
!= '\0') {
2626 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2627 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2628 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2629 if (!accel_list
[i
].available()) {
2630 printf("%s not supported for this target\n",
2631 accel_list
[i
].name
);
2634 *(accel_list
[i
].allowed
) = true;
2635 ret
= accel_list
[i
].init();
2638 fprintf(stderr
, "failed to initialize %s: %s\n",
2641 *(accel_list
[i
].allowed
) = false;
2643 accel_initialised
= true;
2648 if (i
== ARRAY_SIZE(accel_list
)) {
2649 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2653 if (!accel_initialised
) {
2655 fprintf(stderr
, "No accelerator found!\n");
2661 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2664 return !accel_initialised
;
2667 void qemu_add_exit_notifier(Notifier
*notify
)
2669 notifier_list_add(&exit_notifiers
, notify
);
2672 void qemu_remove_exit_notifier(Notifier
*notify
)
2674 notifier_remove(notify
);
2677 static void qemu_run_exit_notifiers(void)
2679 notifier_list_notify(&exit_notifiers
, NULL
);
2682 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2684 notifier_list_add(&machine_init_done_notifiers
, notify
);
2687 static void qemu_run_machine_init_done_notifiers(void)
2689 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2692 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2693 const char **poptarg
, int *poptind
)
2695 const QEMUOption
*popt
;
2696 int optind
= *poptind
;
2697 char *r
= argv
[optind
];
2700 loc_set_cmdline(argv
, optind
, 1);
2702 /* Treat --foo the same as -foo. */
2705 popt
= qemu_options
;
2708 error_report("invalid option");
2711 if (!strcmp(popt
->name
, r
+ 1))
2715 if (popt
->flags
& HAS_ARG
) {
2716 if (optind
>= argc
) {
2717 error_report("requires an argument");
2720 optarg
= argv
[optind
++];
2721 loc_set_cmdline(argv
, optind
- 2, 2);
2732 static gpointer
malloc_and_trace(gsize n_bytes
)
2734 void *ptr
= malloc(n_bytes
);
2735 trace_g_malloc(n_bytes
, ptr
);
2739 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2741 void *ptr
= realloc(mem
, n_bytes
);
2742 trace_g_realloc(mem
, n_bytes
, ptr
);
2746 static void free_and_trace(gpointer mem
)
2752 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2754 Object
*obj
= OBJECT(opaque
);
2755 StringInputVisitor
*siv
;
2756 Error
*local_err
= NULL
;
2758 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2762 siv
= string_input_visitor_new(value
);
2763 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2764 string_input_visitor_cleanup(siv
);
2767 qerror_report_err(local_err
);
2768 error_free(local_err
);
2775 static int object_create(QemuOpts
*opts
, void *opaque
)
2777 const char *type
= qemu_opt_get(opts
, "qom-type");
2778 const char *id
= qemu_opts_id(opts
);
2781 g_assert(type
!= NULL
);
2784 qerror_report(QERR_MISSING_PARAMETER
, "id");
2788 obj
= object_new(type
);
2789 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2793 object_property_add_child(container_get(object_get_root(), "/objects"),
2799 int main(int argc
, char **argv
, char **envp
)
2802 int snapshot
, linux_boot
;
2803 const char *icount_option
= NULL
;
2804 const char *initrd_filename
;
2805 const char *kernel_filename
, *kernel_cmdline
;
2806 char boot_devices
[33] = "";
2808 int cyls
, heads
, secs
, translation
;
2809 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2810 QemuOptsList
*olist
;
2813 const char *loadvm
= NULL
;
2814 QEMUMachine
*machine
;
2815 const char *cpu_model
;
2816 const char *vga_model
= "none";
2817 const char *pid_file
= NULL
;
2818 const char *incoming
= NULL
;
2820 int show_vnc_port
= 0;
2822 bool defconfig
= true;
2823 bool userconfig
= true;
2824 const char *log_mask
= NULL
;
2825 const char *log_file
= NULL
;
2826 GMemVTable mem_trace
= {
2827 .malloc
= malloc_and_trace
,
2828 .realloc
= realloc_and_trace
,
2829 .free
= free_and_trace
,
2831 const char *trace_events
= NULL
;
2832 const char *trace_file
= NULL
;
2834 atexit(qemu_run_exit_notifiers
);
2835 error_set_progname(argv
[0]);
2837 g_mem_set_vtable(&mem_trace
);
2838 if (!g_thread_supported()) {
2839 #if !GLIB_CHECK_VERSION(2, 31, 0)
2840 g_thread_init(NULL
);
2842 fprintf(stderr
, "glib threading failed to initialize.\n");
2847 module_call_init(MODULE_INIT_QOM
);
2849 qemu_add_opts(&qemu_drive_opts
);
2850 qemu_add_opts(&qemu_chardev_opts
);
2851 qemu_add_opts(&qemu_device_opts
);
2852 qemu_add_opts(&qemu_netdev_opts
);
2853 qemu_add_opts(&qemu_net_opts
);
2854 qemu_add_opts(&qemu_rtc_opts
);
2855 qemu_add_opts(&qemu_global_opts
);
2856 qemu_add_opts(&qemu_mon_opts
);
2857 qemu_add_opts(&qemu_trace_opts
);
2858 qemu_add_opts(&qemu_option_rom_opts
);
2859 qemu_add_opts(&qemu_machine_opts
);
2860 qemu_add_opts(&qemu_boot_opts
);
2861 qemu_add_opts(&qemu_sandbox_opts
);
2862 qemu_add_opts(&qemu_add_fd_opts
);
2863 qemu_add_opts(&qemu_object_opts
);
2864 qemu_add_opts(&qemu_tpmdev_opts
);
2869 rtc_clock
= host_clock
;
2871 qemu_cache_utils_init(envp
);
2873 QLIST_INIT (&vm_change_state_head
);
2874 os_setup_early_signal_handling();
2876 module_call_init(MODULE_INIT_MACHINE
);
2877 machine
= find_default_machine();
2881 cyls
= heads
= secs
= 0;
2882 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2884 for (i
= 0; i
< MAX_NODES
; i
++) {
2886 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2892 bdrv_init_with_whitelist();
2896 /* first pass of option parsing */
2898 while (optind
< argc
) {
2899 if (argv
[optind
][0] != '-') {
2904 const QEMUOption
*popt
;
2906 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2907 switch (popt
->index
) {
2908 case QEMU_OPTION_nodefconfig
:
2911 case QEMU_OPTION_nouserconfig
:
2920 ret
= qemu_read_default_config_files(userconfig
);
2926 /* second pass of option parsing */
2931 if (argv
[optind
][0] != '-') {
2932 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2934 const QEMUOption
*popt
;
2936 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2937 if (!(popt
->arch_mask
& arch_type
)) {
2938 printf("Option %s not supported for this target\n", popt
->name
);
2941 switch(popt
->index
) {
2943 machine
= machine_parse(optarg
);
2945 case QEMU_OPTION_no_kvm_irqchip
: {
2946 olist
= qemu_find_opts("machine");
2947 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2950 case QEMU_OPTION_cpu
:
2951 /* hw initialization will check this */
2954 case QEMU_OPTION_hda
:
2958 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2960 snprintf(buf
, sizeof(buf
),
2961 "%s,cyls=%d,heads=%d,secs=%d%s",
2962 HD_OPTS
, cyls
, heads
, secs
,
2963 translation
== BIOS_ATA_TRANSLATION_LBA
?
2965 translation
== BIOS_ATA_TRANSLATION_NONE
?
2966 ",trans=none" : "");
2967 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2970 case QEMU_OPTION_hdb
:
2971 case QEMU_OPTION_hdc
:
2972 case QEMU_OPTION_hdd
:
2973 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2976 case QEMU_OPTION_drive
:
2977 if (drive_def(optarg
) == NULL
) {
2981 case QEMU_OPTION_set
:
2982 if (qemu_set_option(optarg
) != 0)
2985 case QEMU_OPTION_global
:
2986 if (qemu_global_option(optarg
) != 0)
2989 case QEMU_OPTION_mtdblock
:
2990 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2992 case QEMU_OPTION_sd
:
2993 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
2995 case QEMU_OPTION_pflash
:
2996 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2998 case QEMU_OPTION_snapshot
:
3001 case QEMU_OPTION_hdachs
:
3005 cyls
= strtol(p
, (char **)&p
, 0);
3006 if (cyls
< 1 || cyls
> 16383)
3011 heads
= strtol(p
, (char **)&p
, 0);
3012 if (heads
< 1 || heads
> 16)
3017 secs
= strtol(p
, (char **)&p
, 0);
3018 if (secs
< 1 || secs
> 63)
3022 if (!strcmp(p
, "none"))
3023 translation
= BIOS_ATA_TRANSLATION_NONE
;
3024 else if (!strcmp(p
, "lba"))
3025 translation
= BIOS_ATA_TRANSLATION_LBA
;
3026 else if (!strcmp(p
, "auto"))
3027 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3030 } else if (*p
!= '\0') {
3032 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3035 if (hda_opts
!= NULL
) {
3037 snprintf(num
, sizeof(num
), "%d", cyls
);
3038 qemu_opt_set(hda_opts
, "cyls", num
);
3039 snprintf(num
, sizeof(num
), "%d", heads
);
3040 qemu_opt_set(hda_opts
, "heads", num
);
3041 snprintf(num
, sizeof(num
), "%d", secs
);
3042 qemu_opt_set(hda_opts
, "secs", num
);
3043 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3044 qemu_opt_set(hda_opts
, "trans", "lba");
3045 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3046 qemu_opt_set(hda_opts
, "trans", "none");
3050 case QEMU_OPTION_numa
:
3053 case QEMU_OPTION_display
:
3054 display_type
= select_display(optarg
);
3056 case QEMU_OPTION_nographic
:
3057 display_type
= DT_NOGRAPHIC
;
3059 case QEMU_OPTION_curses
:
3060 #ifdef CONFIG_CURSES
3061 display_type
= DT_CURSES
;
3063 fprintf(stderr
, "Curses support is disabled\n");
3067 case QEMU_OPTION_portrait
:
3068 graphic_rotate
= 90;
3070 case QEMU_OPTION_rotate
:
3071 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3072 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3073 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3075 "qemu: only 90, 180, 270 deg rotation is available\n");
3079 case QEMU_OPTION_kernel
:
3080 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3082 case QEMU_OPTION_initrd
:
3083 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3085 case QEMU_OPTION_append
:
3086 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3088 case QEMU_OPTION_dtb
:
3089 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3091 case QEMU_OPTION_cdrom
:
3092 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3094 case QEMU_OPTION_boot
:
3096 static const char * const params
[] = {
3097 "order", "once", "menu",
3098 "splash", "splash-time",
3099 "reboot-timeout", "strict", NULL
3101 char buf
[sizeof(boot_devices
)];
3102 char *standard_boot_devices
;
3105 if (!strchr(optarg
, '=')) {
3107 pstrcpy(buf
, sizeof(buf
), optarg
);
3108 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3110 "qemu: unknown boot parameter '%s' in '%s'\n",
3116 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3117 validate_bootdevices(buf
);
3118 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3121 if (get_param_value(buf
, sizeof(buf
),
3123 validate_bootdevices(buf
);
3124 standard_boot_devices
= g_strdup(boot_devices
);
3125 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3126 qemu_register_reset(restore_boot_devices
,
3127 standard_boot_devices
);
3129 if (get_param_value(buf
, sizeof(buf
),
3131 if (!strcmp(buf
, "on")) {
3133 } else if (!strcmp(buf
, "off")) {
3137 "qemu: invalid option value '%s'\n",
3142 if (get_param_value(buf
, sizeof(buf
),
3143 "strict", optarg
)) {
3144 if (!strcmp(buf
, "on")) {
3146 } else if (!strcmp(buf
, "off")) {
3147 boot_strict
= false;
3150 "qemu: invalid option value '%s'\n",
3155 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3162 case QEMU_OPTION_fda
:
3163 case QEMU_OPTION_fdb
:
3164 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3167 case QEMU_OPTION_no_fd_bootchk
:
3170 case QEMU_OPTION_netdev
:
3171 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3175 case QEMU_OPTION_net
:
3176 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3180 #ifdef CONFIG_LIBISCSI
3181 case QEMU_OPTION_iscsi
:
3182 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3189 case QEMU_OPTION_tftp
:
3190 legacy_tftp_prefix
= optarg
;
3192 case QEMU_OPTION_bootp
:
3193 legacy_bootp_filename
= optarg
;
3195 case QEMU_OPTION_redir
:
3196 if (net_slirp_redir(optarg
) < 0)
3200 case QEMU_OPTION_bt
:
3201 add_device_config(DEV_BT
, optarg
);
3203 case QEMU_OPTION_audio_help
:
3204 if (!(audio_available())) {
3205 printf("Option %s not supported for this target\n", popt
->name
);
3211 case QEMU_OPTION_soundhw
:
3212 if (!(audio_available())) {
3213 printf("Option %s not supported for this target\n", popt
->name
);
3216 select_soundhw (optarg
);
3221 case QEMU_OPTION_version
:
3225 case QEMU_OPTION_m
: {
3230 value
= strtosz(optarg
, &end
);
3231 if (value
< 0 || *end
) {
3232 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3235 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3237 if (ram_size
!= sz
) {
3238 fprintf(stderr
, "qemu: ram size too large\n");
3244 case QEMU_OPTION_tpmdev
:
3245 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3250 case QEMU_OPTION_mempath
:
3254 case QEMU_OPTION_mem_prealloc
:
3265 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3267 case QEMU_OPTION_gdb
:
3268 add_device_config(DEV_GDB
, optarg
);
3271 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3272 data_dir
[data_dir_idx
++] = optarg
;
3275 case QEMU_OPTION_bios
:
3278 case QEMU_OPTION_singlestep
:
3285 keyboard_layout
= optarg
;
3287 case QEMU_OPTION_localtime
:
3290 case QEMU_OPTION_vga
:
3299 w
= strtol(p
, (char **)&p
, 10);
3302 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3308 h
= strtol(p
, (char **)&p
, 10);
3313 depth
= strtol(p
, (char **)&p
, 10);
3314 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3315 depth
!= 24 && depth
!= 32)
3317 } else if (*p
== '\0') {
3318 depth
= graphic_depth
;
3325 graphic_depth
= depth
;
3328 case QEMU_OPTION_echr
:
3331 term_escape_char
= strtol(optarg
, &r
, 0);
3333 printf("Bad argument to echr\n");
3336 case QEMU_OPTION_monitor
:
3337 monitor_parse(optarg
, "readline");
3338 default_monitor
= 0;
3340 case QEMU_OPTION_qmp
:
3341 monitor_parse(optarg
, "control");
3342 default_monitor
= 0;
3344 case QEMU_OPTION_mon
:
3345 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3349 default_monitor
= 0;
3351 case QEMU_OPTION_chardev
:
3352 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3357 case QEMU_OPTION_fsdev
:
3358 olist
= qemu_find_opts("fsdev");
3360 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3363 opts
= qemu_opts_parse(olist
, optarg
, 1);
3368 case QEMU_OPTION_virtfs
: {
3371 const char *writeout
, *sock_fd
, *socket
;
3373 olist
= qemu_find_opts("virtfs");
3375 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3378 opts
= qemu_opts_parse(olist
, optarg
, 1);
3383 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3384 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3385 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3388 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3389 qemu_opt_get(opts
, "mount_tag"),
3392 fprintf(stderr
, "duplicate fsdev id: %s\n",
3393 qemu_opt_get(opts
, "mount_tag"));
3397 writeout
= qemu_opt_get(opts
, "writeout");
3399 #ifdef CONFIG_SYNC_FILE_RANGE
3400 qemu_opt_set(fsdev
, "writeout", writeout
);
3402 fprintf(stderr
, "writeout=immediate not supported on "
3407 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3408 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3409 qemu_opt_set(fsdev
, "security_model",
3410 qemu_opt_get(opts
, "security_model"));
3411 socket
= qemu_opt_get(opts
, "socket");
3413 qemu_opt_set(fsdev
, "socket", socket
);
3415 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3417 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3420 qemu_opt_set_bool(fsdev
, "readonly",
3421 qemu_opt_get_bool(opts
, "readonly", 0));
3422 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3423 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3424 qemu_opt_set(device
, "fsdev",
3425 qemu_opt_get(opts
, "mount_tag"));
3426 qemu_opt_set(device
, "mount_tag",
3427 qemu_opt_get(opts
, "mount_tag"));
3430 case QEMU_OPTION_virtfs_synth
: {
3434 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3437 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3440 qemu_opt_set(fsdev
, "fsdriver", "synth");
3442 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3443 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3444 qemu_opt_set(device
, "fsdev", "v_synth");
3445 qemu_opt_set(device
, "mount_tag", "v_synth");
3448 case QEMU_OPTION_serial
:
3449 add_device_config(DEV_SERIAL
, optarg
);
3451 if (strncmp(optarg
, "mon:", 4) == 0) {
3452 default_monitor
= 0;
3455 case QEMU_OPTION_watchdog
:
3458 "qemu: only one watchdog option may be given\n");
3463 case QEMU_OPTION_watchdog_action
:
3464 if (select_watchdog_action(optarg
) == -1) {
3465 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3469 case QEMU_OPTION_virtiocon
:
3470 add_device_config(DEV_VIRTCON
, optarg
);
3471 default_virtcon
= 0;
3472 if (strncmp(optarg
, "mon:", 4) == 0) {
3473 default_monitor
= 0;
3476 case QEMU_OPTION_parallel
:
3477 add_device_config(DEV_PARALLEL
, optarg
);
3478 default_parallel
= 0;
3479 if (strncmp(optarg
, "mon:", 4) == 0) {
3480 default_monitor
= 0;
3483 case QEMU_OPTION_debugcon
:
3484 add_device_config(DEV_DEBUGCON
, optarg
);
3486 case QEMU_OPTION_loadvm
:
3489 case QEMU_OPTION_full_screen
:
3493 case QEMU_OPTION_no_frame
:
3496 case QEMU_OPTION_alt_grab
:
3499 case QEMU_OPTION_ctrl_grab
:
3502 case QEMU_OPTION_no_quit
:
3505 case QEMU_OPTION_sdl
:
3506 display_type
= DT_SDL
;
3509 case QEMU_OPTION_no_frame
:
3510 case QEMU_OPTION_alt_grab
:
3511 case QEMU_OPTION_ctrl_grab
:
3512 case QEMU_OPTION_no_quit
:
3513 case QEMU_OPTION_sdl
:
3514 fprintf(stderr
, "SDL support is disabled\n");
3517 case QEMU_OPTION_pidfile
:
3520 case QEMU_OPTION_win2k_hack
:
3521 win2k_install_hack
= 1;
3523 case QEMU_OPTION_rtc_td_hack
: {
3524 static GlobalProperty slew_lost_ticks
[] = {
3526 .driver
= "mc146818rtc",
3527 .property
= "lost_tick_policy",
3530 { /* end of list */ }
3533 qdev_prop_register_global_list(slew_lost_ticks
);
3536 case QEMU_OPTION_acpitable
:
3537 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3538 g_assert(opts
!= NULL
);
3539 do_acpitable_option(opts
);
3541 case QEMU_OPTION_smbios
:
3542 do_smbios_option(optarg
);
3544 case QEMU_OPTION_enable_kvm
:
3545 olist
= qemu_find_opts("machine");
3546 qemu_opts_parse(olist
, "accel=kvm", 0);
3548 case QEMU_OPTION_machine
:
3549 olist
= qemu_find_opts("machine");
3550 opts
= qemu_opts_parse(olist
, optarg
, 1);
3554 optarg
= qemu_opt_get(opts
, "type");
3556 machine
= machine_parse(optarg
);
3559 case QEMU_OPTION_no_kvm
:
3560 olist
= qemu_find_opts("machine");
3561 qemu_opts_parse(olist
, "accel=tcg", 0);
3563 case QEMU_OPTION_no_kvm_pit
: {
3564 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3568 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3569 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3571 .driver
= "kvm-pit",
3572 .property
= "lost_tick_policy",
3575 { /* end of list */ }
3578 fprintf(stderr
, "Warning: option deprecated, use "
3579 "lost_tick_policy property of kvm-pit instead.\n");
3580 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3583 case QEMU_OPTION_usb
:
3584 olist
= qemu_find_opts("machine");
3585 qemu_opts_parse(olist
, "usb=on", 0);
3587 case QEMU_OPTION_usbdevice
:
3588 olist
= qemu_find_opts("machine");
3589 qemu_opts_parse(olist
, "usb=on", 0);
3590 add_device_config(DEV_USB
, optarg
);
3592 case QEMU_OPTION_device
:
3593 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3597 case QEMU_OPTION_smp
:
3600 fprintf(stderr
, "Invalid number of CPUs\n");
3603 if (max_cpus
< smp_cpus
) {
3604 fprintf(stderr
, "maxcpus must be equal to or greater than "
3608 if (max_cpus
> 255) {
3609 fprintf(stderr
, "Unsupported number of maxcpus\n");
3613 case QEMU_OPTION_vnc
:
3616 vnc_display
= optarg
;
3618 fprintf(stderr
, "VNC support is disabled\n");
3622 case QEMU_OPTION_no_acpi
:
3625 case QEMU_OPTION_no_hpet
:
3628 case QEMU_OPTION_balloon
:
3629 if (balloon_parse(optarg
) < 0) {
3630 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3634 case QEMU_OPTION_no_reboot
:
3637 case QEMU_OPTION_no_shutdown
:
3640 case QEMU_OPTION_show_cursor
:
3643 case QEMU_OPTION_uuid
:
3644 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3645 fprintf(stderr
, "Fail to parse UUID string."
3646 " Wrong format.\n");
3650 case QEMU_OPTION_option_rom
:
3651 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3652 fprintf(stderr
, "Too many option ROMs\n");
3655 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3659 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3660 option_rom
[nb_option_roms
].bootindex
=
3661 qemu_opt_get_number(opts
, "bootindex", -1);
3662 if (!option_rom
[nb_option_roms
].name
) {
3663 fprintf(stderr
, "Option ROM file is not specified\n");
3668 case QEMU_OPTION_semihosting
:
3669 semihosting_enabled
= 1;
3671 case QEMU_OPTION_tdf
:
3672 fprintf(stderr
, "Warning: user space PIT time drift fix "
3673 "is no longer supported.\n");
3675 case QEMU_OPTION_name
:
3676 qemu_name
= g_strdup(optarg
);
3678 char *p
= strchr(qemu_name
, ',');
3681 if (strncmp(p
, "process=", 8)) {
3682 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3686 os_set_proc_name(p
);
3690 case QEMU_OPTION_prom_env
:
3691 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3692 fprintf(stderr
, "Too many prom variables\n");
3695 prom_envs
[nb_prom_envs
] = optarg
;
3698 case QEMU_OPTION_old_param
:
3701 case QEMU_OPTION_clock
:
3702 configure_alarms(optarg
);
3704 case QEMU_OPTION_startdate
:
3705 configure_rtc_date_offset(optarg
, 1);
3707 case QEMU_OPTION_rtc
:
3708 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3712 configure_rtc(opts
);
3714 case QEMU_OPTION_tb_size
:
3715 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3716 if (tcg_tb_size
< 0) {
3720 case QEMU_OPTION_icount
:
3721 icount_option
= optarg
;
3723 case QEMU_OPTION_incoming
:
3725 runstate_set(RUN_STATE_INMIGRATE
);
3727 case QEMU_OPTION_nodefaults
:
3729 default_parallel
= 0;
3730 default_virtcon
= 0;
3732 default_monitor
= 0;
3739 case QEMU_OPTION_xen_domid
:
3740 if (!(xen_available())) {
3741 printf("Option %s not supported for this target\n", popt
->name
);
3744 xen_domid
= atoi(optarg
);
3746 case QEMU_OPTION_xen_create
:
3747 if (!(xen_available())) {
3748 printf("Option %s not supported for this target\n", popt
->name
);
3751 xen_mode
= XEN_CREATE
;
3753 case QEMU_OPTION_xen_attach
:
3754 if (!(xen_available())) {
3755 printf("Option %s not supported for this target\n", popt
->name
);
3758 xen_mode
= XEN_ATTACH
;
3760 case QEMU_OPTION_trace
:
3762 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3766 trace_events
= qemu_opt_get(opts
, "events");
3767 trace_file
= qemu_opt_get(opts
, "file");
3770 case QEMU_OPTION_readconfig
:
3772 int ret
= qemu_read_config_file(optarg
);
3774 fprintf(stderr
, "read config %s: %s\n", optarg
,
3780 case QEMU_OPTION_spice
:
3781 olist
= qemu_find_opts("spice");
3783 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3786 opts
= qemu_opts_parse(olist
, optarg
, 0);
3792 case QEMU_OPTION_writeconfig
:
3795 if (strcmp(optarg
, "-") == 0) {
3798 fp
= fopen(optarg
, "w");
3800 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3804 qemu_config_write(fp
);
3808 case QEMU_OPTION_qtest
:
3809 qtest_chrdev
= optarg
;
3811 case QEMU_OPTION_qtest_log
:
3814 case QEMU_OPTION_sandbox
:
3815 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3820 case QEMU_OPTION_add_fd
:
3822 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3827 error_report("File descriptor passing is disabled on this "
3832 case QEMU_OPTION_object
:
3833 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3839 os_parse_cmd_args(popt
->index
, optarg
);
3845 if (qemu_init_main_loop()) {
3846 fprintf(stderr
, "qemu_init_main_loop failed\n");
3850 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3855 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3859 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3864 if (machine
== NULL
) {
3865 fprintf(stderr
, "No machine found.\n");
3869 if (machine
->hw_version
) {
3870 qemu_set_version(machine
->hw_version
);
3873 if (qemu_opts_foreach(qemu_find_opts("object"),
3874 object_create
, NULL
, 0) != 0) {
3878 /* Init CPU def lists, based on config
3879 * - Must be called after all the qemu_read_config_file() calls
3880 * - Must be called before list_cpus()
3881 * - Must be called before machine->init()
3885 if (cpu_model
&& is_help_option(cpu_model
)) {
3886 list_cpus(stdout
, &fprintf
, cpu_model
);
3890 /* Open the logfile at this point, if necessary. We can't open the logfile
3891 * when encountering either of the logging options (-d or -D) because the
3892 * other one may be encountered later on the command line, changing the
3893 * location or level of logging.
3898 qemu_set_log_filename(log_file
);
3901 mask
= qemu_str_to_log_mask(log_mask
);
3903 qemu_print_log_usage(stdout
);
3909 if (!trace_backend_init(trace_events
, trace_file
)) {
3913 /* If no data_dir is specified then try to find it relative to the
3915 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3916 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3917 if (data_dir
[data_dir_idx
] != NULL
) {
3921 /* If all else fails use the install path specified when building. */
3922 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3923 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3927 * Default to max_cpus = smp_cpus, in case the user doesn't
3928 * specify a max_cpus value.
3931 max_cpus
= smp_cpus
;
3933 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3934 if (smp_cpus
> machine
->max_cpus
) {
3935 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3936 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3942 * Get the default machine options from the machine if it is not already
3943 * specified either by the configuration file or by the command line.
3945 if (machine
->default_machine_opts
) {
3946 qemu_opts_set_defaults(qemu_find_opts("machine"),
3947 machine
->default_machine_opts
, 0);
3950 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3951 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3953 if (machine
->no_serial
) {
3956 if (machine
->no_parallel
) {
3957 default_parallel
= 0;
3959 if (!machine
->use_virtcon
) {
3960 default_virtcon
= 0;
3962 if (!machine
->use_sclp
) {
3965 if (machine
->no_floppy
) {
3968 if (machine
->no_cdrom
) {
3971 if (machine
->no_sdcard
) {
3975 if (is_daemonized()) {
3976 /* According to documentation and historically, -nographic redirects
3977 * serial port, parallel port and monitor to stdio, which does not work
3978 * with -daemonize. We can redirect these to null instead, but since
3979 * -nographic is legacy, let's just error out.
3980 * We disallow -nographic only if all other ports are not redirected
3981 * explicitly, to not break existing legacy setups which uses
3982 * -nographic _and_ redirects all ports explicitly - this is valid
3983 * usage, -nographic is just a no-op in this case.
3985 if (display_type
== DT_NOGRAPHIC
3986 && (default_parallel
|| default_serial
3987 || default_monitor
|| default_virtcon
)) {
3988 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3991 #ifdef CONFIG_CURSES
3992 if (display_type
== DT_CURSES
) {
3993 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3999 if (display_type
== DT_NOGRAPHIC
) {
4000 if (default_parallel
)
4001 add_device_config(DEV_PARALLEL
, "null");
4002 if (default_serial
&& default_monitor
) {
4003 add_device_config(DEV_SERIAL
, "mon:stdio");
4004 } else if (default_virtcon
&& default_monitor
) {
4005 add_device_config(DEV_VIRTCON
, "mon:stdio");
4006 } else if (default_sclp
&& default_monitor
) {
4007 add_device_config(DEV_SCLP
, "mon:stdio");
4010 add_device_config(DEV_SERIAL
, "stdio");
4011 if (default_virtcon
)
4012 add_device_config(DEV_VIRTCON
, "stdio");
4014 add_device_config(DEV_SCLP
, "stdio");
4016 if (default_monitor
)
4017 monitor_parse("stdio", "readline");
4021 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4022 if (default_parallel
)
4023 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4024 if (default_monitor
)
4025 monitor_parse("vc:80Cx24C", "readline");
4026 if (default_virtcon
)
4027 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4029 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4033 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4034 #if defined(CONFIG_GTK)
4035 display_type
= DT_GTK
;
4036 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4037 display_type
= DT_SDL
;
4038 #elif defined(CONFIG_VNC)
4039 vnc_display
= "localhost:0,to=99";
4042 display_type
= DT_NONE
;
4046 #if defined(CONFIG_GTK)
4047 if (display_type
== DT_GTK
) {
4048 early_gtk_display_init();
4054 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4056 #ifdef CONFIG_VIRTFS
4057 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4064 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4069 /* init the memory */
4070 if (ram_size
== 0) {
4071 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4074 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4079 configure_accelerator();
4081 if (!qtest_enabled() && qtest_chrdev
) {
4085 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4087 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4088 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4089 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4091 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4094 if (!kernel_cmdline
) {
4095 kernel_cmdline
= "";
4098 linux_boot
= (kernel_filename
!= NULL
);
4100 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4101 fprintf(stderr
, "-append only allowed with -kernel option\n");
4105 if (!linux_boot
&& initrd_filename
!= NULL
) {
4106 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4110 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4111 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4115 os_set_line_buffering();
4117 qemu_init_cpu_loop();
4118 qemu_mutex_lock_iothread();
4121 /* spice needs the timers to be initialized by this point */
4125 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4126 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4129 configure_icount(icount_option
);
4131 /* clean up network at qemu process termination */
4132 atexit(&net_cleanup
);
4134 if (net_init_clients() < 0) {
4139 if (tpm_init() < 0) {
4144 /* init the bluetooth world */
4145 if (foreach_device_config(DEV_BT
, bt_parse
))
4148 if (!xen_enabled()) {
4149 /* On 32-bit hosts, QEMU is limited by virtual address space */
4150 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4151 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4156 cpu_exec_init_all();
4160 /* open the virtual block devices */
4162 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4163 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4164 &machine
->block_default_type
, 1) != 0) {
4168 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4170 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4171 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4173 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4175 if (nb_numa_nodes
> 0) {
4178 if (nb_numa_nodes
> MAX_NODES
) {
4179 nb_numa_nodes
= MAX_NODES
;
4182 /* If no memory size if given for any node, assume the default case
4183 * and distribute the available memory equally across all nodes
4185 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4186 if (node_mem
[i
] != 0)
4189 if (i
== nb_numa_nodes
) {
4190 uint64_t usedmem
= 0;
4192 /* On Linux, the each node's border has to be 8MB aligned,
4193 * the final node gets the rest.
4195 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4196 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4197 usedmem
+= node_mem
[i
];
4199 node_mem
[i
] = ram_size
- usedmem
;
4202 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4203 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4207 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4208 * must cope with this anyway, because there are BIOSes out there in
4209 * real machines which also use this scheme.
4211 if (i
== nb_numa_nodes
) {
4212 for (i
= 0; i
< max_cpus
; i
++) {
4213 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4218 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4222 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4224 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4226 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4228 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4231 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4234 /* If no default VGA is requested, the default is "none". */
4236 if (cirrus_vga_available()) {
4237 vga_model
= "cirrus";
4238 } else if (vga_available()) {
4242 select_vgahw(vga_model
);
4245 i
= select_watchdog(watchdog
);
4247 exit (i
== 1 ? 1 : 0);
4250 if (machine
->compat_props
) {
4251 qdev_prop_register_global_list(machine
->compat_props
);
4255 qdev_machine_init();
4257 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4258 .boot_device
= (boot_devices
[0] == '\0') ?
4259 machine
->boot_order
:
4261 .kernel_filename
= kernel_filename
,
4262 .kernel_cmdline
= kernel_cmdline
,
4263 .initrd_filename
= initrd_filename
,
4264 .cpu_model
= cpu_model
};
4265 machine
->init(&args
);
4267 cpu_synchronize_all_post_init();
4271 current_machine
= machine
;
4273 /* init USB devices */
4274 if (usb_enabled(false)) {
4275 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4279 /* init generic devices */
4280 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4283 net_check_clients();
4285 ds
= init_displaystate();
4287 /* init local displays */
4288 switch (display_type
) {
4291 #if defined(CONFIG_CURSES)
4293 curses_display_init(ds
, full_screen
);
4296 #if defined(CONFIG_SDL)
4298 sdl_display_init(ds
, full_screen
, no_frame
);
4300 #elif defined(CONFIG_COCOA)
4302 cocoa_display_init(ds
, full_screen
);
4305 #if defined(CONFIG_GTK)
4307 gtk_display_init(ds
);
4314 /* must be after terminal init, SDL library changes signal handlers */
4315 os_setup_signal_handling();
4318 /* init remote displays */
4320 Error
*local_err
= NULL
;
4321 vnc_display_init(ds
);
4322 vnc_display_open(ds
, vnc_display
, &local_err
);
4323 if (local_err
!= NULL
) {
4324 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4325 vnc_display
, error_get_pretty(local_err
));
4326 error_free(local_err
);
4330 if (show_vnc_port
) {
4331 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4336 if (using_spice
&& !qxl_enabled
) {
4337 qemu_spice_display_init(ds
);
4341 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4345 qdev_machine_creation_done();
4347 if (rom_load_all() != 0) {
4348 fprintf(stderr
, "rom loading failed\n");
4352 /* TODO: once all bus devices are qdevified, this should be done
4353 * when bus is created by qdev.c */
4354 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4355 qemu_run_machine_init_done_notifiers();
4357 qemu_system_reset(VMRESET_SILENT
);
4359 if (load_vmstate(loadvm
) < 0) {
4365 Error
*local_err
= NULL
;
4366 qemu_start_incoming_migration(incoming
, &local_err
);
4368 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4369 error_free(local_err
);
4372 } else if (autostart
) {