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"
123 #include "hw/watchdog.h"
124 #include "hw/smbios.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.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 "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.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 int64_t qmp_query_cpu_max(Error
**errp
)
667 return current_machine
->max_cpus
;
670 /***********************************************************/
671 /* real time host monotonic timer */
673 /***********************************************************/
674 /* host time/date access */
675 void qemu_get_timedate(struct tm
*tm
, int offset
)
681 if (rtc_date_offset
== -1) {
685 localtime_r(&ti
, tm
);
687 ti
-= rtc_date_offset
;
692 int qemu_timedate_diff(struct tm
*tm
)
696 if (rtc_date_offset
== -1)
698 seconds
= mktimegm(tm
);
701 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
702 seconds
= mktime(&tmp
);
705 seconds
= mktimegm(tm
) + rtc_date_offset
;
707 return seconds
- time(NULL
);
710 void rtc_change_mon_event(struct tm
*tm
)
714 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
715 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
716 qobject_decref(data
);
719 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
721 time_t rtc_start_date
;
724 if (!strcmp(startdate
, "now") && legacy
) {
725 rtc_date_offset
= -1;
727 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
735 } else if (sscanf(startdate
, "%d-%d-%d",
747 rtc_start_date
= mktimegm(&tm
);
748 if (rtc_start_date
== -1) {
750 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
751 "'2006-06-17T16:01:21' or '2006-06-17'\n");
754 rtc_date_offset
= time(NULL
) - rtc_start_date
;
758 static void configure_rtc(QemuOpts
*opts
)
762 value
= qemu_opt_get(opts
, "base");
764 if (!strcmp(value
, "utc")) {
766 } else if (!strcmp(value
, "localtime")) {
769 configure_rtc_date_offset(value
, 0);
772 value
= qemu_opt_get(opts
, "clock");
774 if (!strcmp(value
, "host")) {
775 rtc_clock
= host_clock
;
776 } else if (!strcmp(value
, "rt")) {
777 rtc_clock
= rt_clock
;
778 } else if (!strcmp(value
, "vm")) {
779 rtc_clock
= vm_clock
;
781 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
785 value
= qemu_opt_get(opts
, "driftfix");
787 if (!strcmp(value
, "slew")) {
788 static GlobalProperty slew_lost_ticks
[] = {
790 .driver
= "mc146818rtc",
791 .property
= "lost_tick_policy",
794 { /* end of list */ }
797 qdev_prop_register_global_list(slew_lost_ticks
);
798 } else if (!strcmp(value
, "none")) {
799 /* discard is default */
801 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
807 /***********************************************************/
808 /* Bluetooth support */
811 static struct HCIInfo
*hci_table
[MAX_NICS
];
813 static struct bt_vlan_s
{
814 struct bt_scatternet_s net
;
816 struct bt_vlan_s
*next
;
819 /* find or alloc a new bluetooth "VLAN" */
820 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
822 struct bt_vlan_s
**pvlan
, *vlan
;
823 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
827 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
829 pvlan
= &first_bt_vlan
;
830 while (*pvlan
!= NULL
)
831 pvlan
= &(*pvlan
)->next
;
836 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
840 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
845 static struct HCIInfo null_hci
= {
846 .cmd_send
= null_hci_send
,
847 .sco_send
= null_hci_send
,
848 .acl_send
= null_hci_send
,
849 .bdaddr_set
= null_hci_addr_set
,
852 struct HCIInfo
*qemu_next_hci(void)
854 if (cur_hci
== nb_hcis
)
857 return hci_table
[cur_hci
++];
860 static struct HCIInfo
*hci_init(const char *str
)
863 struct bt_scatternet_s
*vlan
= 0;
865 if (!strcmp(str
, "null"))
868 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
870 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
871 else if (!strncmp(str
, "hci", 3)) {
874 if (!strncmp(str
+ 3, ",vlan=", 6)) {
875 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
880 vlan
= qemu_find_bt_vlan(0);
882 return bt_new_hci(vlan
);
885 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
890 static int bt_hci_parse(const char *str
)
895 if (nb_hcis
>= MAX_NICS
) {
896 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
909 bdaddr
.b
[5] = 0x56 + nb_hcis
;
910 hci
->bdaddr_set(hci
, bdaddr
.b
);
912 hci_table
[nb_hcis
++] = hci
;
917 static void bt_vhci_add(int vlan_id
)
919 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
922 fprintf(stderr
, "qemu: warning: adding a VHCI to "
923 "an empty scatternet %i\n", vlan_id
);
925 bt_vhci_init(bt_new_hci(vlan
));
928 static struct bt_device_s
*bt_device_add(const char *opt
)
930 struct bt_scatternet_s
*vlan
;
932 char *endp
= strstr(opt
, ",vlan=");
933 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
936 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
939 vlan_id
= strtol(endp
+ 6, &endp
, 0);
941 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
946 vlan
= qemu_find_bt_vlan(vlan_id
);
949 fprintf(stderr
, "qemu: warning: adding a slave device to "
950 "an empty scatternet %i\n", vlan_id
);
952 if (!strcmp(devname
, "keyboard"))
953 return bt_keyboard_init(vlan
);
955 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
959 static int bt_parse(const char *opt
)
961 const char *endp
, *p
;
964 if (strstart(opt
, "hci", &endp
)) {
965 if (!*endp
|| *endp
== ',') {
967 if (!strstart(endp
, ",vlan=", 0))
970 return bt_hci_parse(opt
);
972 } else if (strstart(opt
, "vhci", &endp
)) {
973 if (!*endp
|| *endp
== ',') {
975 if (strstart(endp
, ",vlan=", &p
)) {
976 vlan
= strtol(p
, (char **) &endp
, 0);
978 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
982 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
991 } else if (strstart(opt
, "device:", &endp
))
992 return !bt_device_add(endp
);
994 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
998 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1000 /* FIXME: change this to true for 1.3 */
1001 if (qemu_opt_get_bool(opts
, "enable", false)) {
1002 #ifdef CONFIG_SECCOMP
1003 if (seccomp_start() < 0) {
1004 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1005 "failed to install seccomp syscall filter in the kernel");
1009 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1010 "sandboxing request but seccomp is not compiled into this build");
1018 /*********QEMU USB setting******/
1019 bool usb_enabled(bool default_usb
)
1021 QemuOpts
*mach_opts
;
1022 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1024 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1030 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1032 int fd
, dupfd
, flags
;
1034 const char *fd_opaque
= NULL
;
1036 fd
= qemu_opt_get_number(opts
, "fd", -1);
1037 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1038 fd_opaque
= qemu_opt_get(opts
, "opaque");
1041 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1042 "fd option is required and must be non-negative");
1046 if (fd
<= STDERR_FILENO
) {
1047 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1048 "fd cannot be a standard I/O stream");
1053 * All fds inherited across exec() necessarily have FD_CLOEXEC
1054 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1056 flags
= fcntl(fd
, F_GETFD
);
1057 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1058 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1059 "fd is not valid or already in use");
1064 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1065 "set option is required and must be non-negative");
1069 #ifdef F_DUPFD_CLOEXEC
1070 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1074 qemu_set_cloexec(dupfd
);
1078 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1079 "Error duplicating fd: %s", strerror(errno
));
1083 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1084 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1090 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1094 fd
= qemu_opt_get_number(opts
, "fd", -1);
1101 /***********************************************************/
1102 /* QEMU Block devices */
1104 #define HD_OPTS "media=disk"
1105 #define CDROM_OPTS "media=cdrom"
1107 #define PFLASH_OPTS ""
1111 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1113 BlockInterfaceType
*block_default_type
= opaque
;
1115 return drive_init(opts
, *block_default_type
) == NULL
;
1118 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1120 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1121 qemu_opt_set(opts
, "snapshot", "on");
1126 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1127 int index
, const char *optstr
)
1131 if (!enable
|| drive_get_by_index(type
, index
)) {
1135 opts
= drive_add(type
, index
, NULL
, optstr
);
1137 drive_enable_snapshot(opts
, NULL
);
1139 if (!drive_init(opts
, type
)) {
1144 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1146 boot_set_handler
= func
;
1147 boot_set_opaque
= opaque
;
1150 int qemu_boot_set(const char *boot_devices
)
1152 if (!boot_set_handler
) {
1155 return boot_set_handler(boot_set_opaque
, boot_devices
);
1158 static void validate_bootdevices(char *devices
)
1160 /* We just do some generic consistency checks */
1164 for (p
= devices
; *p
!= '\0'; p
++) {
1165 /* Allowed boot devices are:
1166 * a-b: floppy disk drives
1167 * c-f: IDE disk drives
1168 * g-m: machine implementation dependent drives
1169 * n-p: network devices
1170 * It's up to each machine implementation to check if the given boot
1171 * devices match the actual hardware implementation and firmware
1174 if (*p
< 'a' || *p
> 'p') {
1175 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1178 if (bitmap
& (1 << (*p
- 'a'))) {
1179 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1182 bitmap
|= 1 << (*p
- 'a');
1186 static void restore_boot_devices(void *opaque
)
1188 char *standard_boot_devices
= opaque
;
1189 static int first
= 1;
1191 /* Restore boot order and remove ourselves after the first boot */
1197 qemu_boot_set(standard_boot_devices
);
1199 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1200 g_free(standard_boot_devices
);
1203 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1206 FWBootEntry
*node
, *i
;
1208 if (bootindex
< 0) {
1212 assert(dev
!= NULL
|| suffix
!= NULL
);
1214 node
= g_malloc0(sizeof(FWBootEntry
));
1215 node
->bootindex
= bootindex
;
1216 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
1219 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1220 if (i
->bootindex
== bootindex
) {
1221 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1223 } else if (i
->bootindex
< bootindex
) {
1226 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1229 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1233 * This function returns null terminated string that consist of new line
1234 * separated device paths.
1236 * memory pointed by "size" is assigned total length of the array in bytes
1239 char *get_boot_devices_list(size_t *size
)
1245 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1246 char *devpath
= NULL
, *bootpath
;
1250 devpath
= qdev_get_fw_dev_path(i
->dev
);
1254 if (i
->suffix
&& devpath
) {
1255 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1257 bootpath
= g_malloc(bootpathlen
);
1258 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1260 } else if (devpath
) {
1264 bootpath
= g_strdup(i
->suffix
);
1268 list
[total
-1] = '\n';
1270 len
= strlen(bootpath
) + 1;
1271 list
= g_realloc(list
, total
+ len
);
1272 memcpy(&list
[total
], bootpath
, len
);
1279 if (boot_strict
&& *size
> 0) {
1280 list
[total
-1] = '\n';
1281 list
= g_realloc(list
, total
+ 5);
1282 memcpy(&list
[total
], "HALT", 5);
1288 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1291 unsigned long long value
, endvalue
;
1293 /* Empty CPU range strings will be considered valid, they will simply
1294 * not set any bit in the CPU bitmap.
1300 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1303 if (*endptr
== '-') {
1304 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1307 } else if (*endptr
== '\0') {
1313 if (endvalue
>= MAX_CPUMASK_BITS
) {
1314 endvalue
= MAX_CPUMASK_BITS
- 1;
1316 "qemu: NUMA: A max of %d VCPUs are supported\n",
1320 if (endvalue
< value
) {
1324 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1328 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1332 static void numa_add(const char *optarg
)
1336 unsigned long long nodenr
;
1338 optarg
= get_opt_name(option
, 128, optarg
, ',');
1339 if (*optarg
== ',') {
1342 if (!strcmp(option
, "node")) {
1344 if (nb_numa_nodes
>= MAX_NODES
) {
1345 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1349 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1350 nodenr
= nb_numa_nodes
;
1352 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1353 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1358 if (nodenr
>= MAX_NODES
) {
1359 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1363 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1364 node_mem
[nodenr
] = 0;
1367 sval
= strtosz(option
, &endptr
);
1368 if (sval
< 0 || *endptr
) {
1369 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1372 node_mem
[nodenr
] = sval
;
1374 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1375 numa_node_parse_cpus(nodenr
, option
);
1379 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1384 static void smp_parse(const char *optarg
)
1386 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1390 smp
= strtoul(optarg
, &endptr
, 10);
1391 if (endptr
!= optarg
) {
1392 if (*endptr
== ',') {
1396 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1397 sockets
= strtoull(option
, NULL
, 10);
1398 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1399 cores
= strtoull(option
, NULL
, 10);
1400 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1401 threads
= strtoull(option
, NULL
, 10);
1402 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1403 max_cpus
= strtoull(option
, NULL
, 10);
1405 /* compute missing values, prefer sockets over cores over threads */
1406 if (smp
== 0 || sockets
== 0) {
1407 sockets
= sockets
> 0 ? sockets
: 1;
1408 cores
= cores
> 0 ? cores
: 1;
1409 threads
= threads
> 0 ? threads
: 1;
1411 smp
= cores
* threads
* sockets
;
1415 threads
= threads
> 0 ? threads
: 1;
1416 cores
= smp
/ (sockets
* threads
);
1418 threads
= smp
/ (cores
* sockets
);
1422 smp_cores
= cores
> 0 ? cores
: 1;
1423 smp_threads
= threads
> 0 ? threads
: 1;
1425 max_cpus
= smp_cpus
;
1428 /***********************************************************/
1431 static int usb_device_add(const char *devname
)
1434 USBDevice
*dev
= NULL
;
1436 if (!usb_enabled(false)) {
1440 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1441 dev
= usbdevice_create(devname
);
1445 /* the other ones */
1446 #ifndef CONFIG_LINUX
1447 /* only the linux version is qdev-ified, usb-bsd still needs this */
1448 if (strstart(devname
, "host:", &p
)) {
1449 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1452 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1453 dev
= usb_bt_init(usb_bus_find(-1),
1454 devname
[2] ? hci_init(p
)
1455 : bt_new_hci(qemu_find_bt_vlan(0)));
1466 static int usb_device_del(const char *devname
)
1471 if (strstart(devname
, "host:", &p
)) {
1475 if (!usb_enabled(false)) {
1479 p
= strchr(devname
, '.');
1482 bus_num
= strtoul(devname
, NULL
, 0);
1483 addr
= strtoul(p
+ 1, NULL
, 0);
1485 return usb_device_delete_addr(bus_num
, addr
);
1488 static int usb_parse(const char *cmdline
)
1491 r
= usb_device_add(cmdline
);
1493 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1498 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1500 const char *devname
= qdict_get_str(qdict
, "devname");
1501 if (usb_device_add(devname
) < 0) {
1502 error_report("could not add USB device '%s'", devname
);
1506 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1508 const char *devname
= qdict_get_str(qdict
, "devname");
1509 if (usb_device_del(devname
) < 0) {
1510 error_report("could not delete USB device '%s'", devname
);
1514 /***********************************************************/
1515 /* PCMCIA/Cardbus */
1517 static struct pcmcia_socket_entry_s
{
1518 PCMCIASocket
*socket
;
1519 struct pcmcia_socket_entry_s
*next
;
1520 } *pcmcia_sockets
= 0;
1522 void pcmcia_socket_register(PCMCIASocket
*socket
)
1524 struct pcmcia_socket_entry_s
*entry
;
1526 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1527 entry
->socket
= socket
;
1528 entry
->next
= pcmcia_sockets
;
1529 pcmcia_sockets
= entry
;
1532 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1534 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1536 ptr
= &pcmcia_sockets
;
1537 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1538 if (entry
->socket
== socket
) {
1544 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1546 struct pcmcia_socket_entry_s
*iter
;
1548 if (!pcmcia_sockets
)
1549 monitor_printf(mon
, "No PCMCIA sockets\n");
1551 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1552 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1553 iter
->socket
->attached
? iter
->socket
->card_string
:
1557 /***********************************************************/
1558 /* machine registration */
1560 static QEMUMachine
*first_machine
= NULL
;
1561 QEMUMachine
*current_machine
= NULL
;
1563 int qemu_register_machine(QEMUMachine
*m
)
1566 pm
= &first_machine
;
1574 static QEMUMachine
*find_machine(const char *name
)
1578 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1579 if (!strcmp(m
->name
, name
))
1581 if (m
->alias
&& !strcmp(m
->alias
, name
))
1587 QEMUMachine
*find_default_machine(void)
1591 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1592 if (m
->is_default
) {
1599 MachineInfoList
*qmp_query_machines(Error
**errp
)
1601 MachineInfoList
*mach_list
= NULL
;
1604 for (m
= first_machine
; m
; m
= m
->next
) {
1605 MachineInfoList
*entry
;
1608 info
= g_malloc0(sizeof(*info
));
1609 if (m
->is_default
) {
1610 info
->has_is_default
= true;
1611 info
->is_default
= true;
1615 info
->has_alias
= true;
1616 info
->alias
= g_strdup(m
->alias
);
1619 info
->name
= g_strdup(m
->name
);
1621 entry
= g_malloc0(sizeof(*entry
));
1622 entry
->value
= info
;
1623 entry
->next
= mach_list
;
1630 /***********************************************************/
1631 /* main execution loop */
1633 static void gui_update(void *opaque
)
1635 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1636 DisplayState
*ds
= opaque
;
1637 DisplayChangeListener
*dcl
;
1641 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1642 if (dcl
->gui_timer_interval
&&
1643 dcl
->gui_timer_interval
< interval
)
1644 interval
= dcl
->gui_timer_interval
;
1646 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1649 void gui_setup_refresh(DisplayState
*ds
)
1651 DisplayChangeListener
*dcl
;
1652 bool need_timer
= false;
1653 bool have_gfx
= false;
1654 bool have_text
= false;
1656 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1657 if (dcl
->ops
->dpy_refresh
!= NULL
) {
1660 if (dcl
->ops
->dpy_gfx_update
!= NULL
) {
1663 if (dcl
->ops
->dpy_text_update
!= NULL
) {
1668 if (need_timer
&& ds
->gui_timer
== NULL
) {
1669 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
1670 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
1672 if (!need_timer
&& ds
->gui_timer
!= NULL
) {
1673 qemu_del_timer(ds
->gui_timer
);
1674 qemu_free_timer(ds
->gui_timer
);
1675 ds
->gui_timer
= NULL
;
1678 ds
->have_gfx
= have_gfx
;
1679 ds
->have_text
= have_text
;
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 int wakeup_requested
;
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
= ~0;
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_enabled() && 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 int qemu_wakeup_requested(void)
1806 int r
= wakeup_requested
;
1807 wakeup_requested
= 0;
1811 static int qemu_powerdown_requested(void)
1813 int r
= powerdown_requested
;
1814 powerdown_requested
= 0;
1818 static int qemu_debug_requested(void)
1820 int r
= debug_requested
;
1821 debug_requested
= 0;
1825 /* We use RUN_STATE_MAX but any invalid value will do */
1826 static bool qemu_vmstop_requested(RunState
*r
)
1828 if (vmstop_requested
< RUN_STATE_MAX
) {
1829 *r
= vmstop_requested
;
1830 vmstop_requested
= RUN_STATE_MAX
;
1837 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1839 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1842 re
->opaque
= opaque
;
1843 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1846 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1850 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1851 if (re
->func
== func
&& re
->opaque
== opaque
) {
1852 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1859 void qemu_devices_reset(void)
1861 QEMUResetEntry
*re
, *nre
;
1863 /* reset all devices */
1864 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1865 re
->func(re
->opaque
);
1869 void qemu_system_reset(bool report
)
1871 if (current_machine
&& current_machine
->reset
) {
1872 current_machine
->reset();
1874 qemu_devices_reset();
1877 monitor_protocol_event(QEVENT_RESET
, NULL
);
1879 cpu_synchronize_all_post_reset();
1882 void qemu_system_reset_request(void)
1885 shutdown_requested
= 1;
1887 reset_requested
= 1;
1890 qemu_notify_event();
1893 static void qemu_system_suspend(void)
1896 notifier_list_notify(&suspend_notifiers
, NULL
);
1897 runstate_set(RUN_STATE_SUSPENDED
);
1898 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1901 void qemu_system_suspend_request(void)
1903 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1906 suspend_requested
= 1;
1908 qemu_notify_event();
1911 void qemu_register_suspend_notifier(Notifier
*notifier
)
1913 notifier_list_add(&suspend_notifiers
, notifier
);
1916 void qemu_system_wakeup_request(WakeupReason reason
)
1918 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1921 if (!(wakeup_reason_mask
& (1 << reason
))) {
1924 runstate_set(RUN_STATE_RUNNING
);
1925 notifier_list_notify(&wakeup_notifiers
, &reason
);
1926 wakeup_requested
= 1;
1927 qemu_notify_event();
1930 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1933 wakeup_reason_mask
|= (1 << reason
);
1935 wakeup_reason_mask
&= ~(1 << reason
);
1939 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1941 notifier_list_add(&wakeup_notifiers
, notifier
);
1944 void qemu_system_killed(int signal
, pid_t pid
)
1946 shutdown_signal
= signal
;
1949 qemu_system_shutdown_request();
1952 void qemu_system_shutdown_request(void)
1954 shutdown_requested
= 1;
1955 qemu_notify_event();
1958 static void qemu_system_powerdown(void)
1960 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1961 notifier_list_notify(&powerdown_notifiers
, NULL
);
1964 void qemu_system_powerdown_request(void)
1966 powerdown_requested
= 1;
1967 qemu_notify_event();
1970 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1972 notifier_list_add(&powerdown_notifiers
, notifier
);
1975 void qemu_system_debug_request(void)
1977 debug_requested
= 1;
1978 qemu_notify_event();
1981 void qemu_system_vmstop_request(RunState state
)
1983 vmstop_requested
= state
;
1984 qemu_notify_event();
1987 static bool main_loop_should_exit(void)
1990 if (qemu_debug_requested()) {
1991 vm_stop(RUN_STATE_DEBUG
);
1993 if (qemu_suspend_requested()) {
1994 qemu_system_suspend();
1996 if (qemu_shutdown_requested()) {
1998 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2000 vm_stop(RUN_STATE_SHUTDOWN
);
2005 if (qemu_reset_requested()) {
2007 cpu_synchronize_all_states();
2008 qemu_system_reset(VMRESET_REPORT
);
2010 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
2011 runstate_check(RUN_STATE_SHUTDOWN
)) {
2012 runstate_set(RUN_STATE_PAUSED
);
2015 if (qemu_wakeup_requested()) {
2017 cpu_synchronize_all_states();
2018 qemu_system_reset(VMRESET_SILENT
);
2020 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2022 if (qemu_powerdown_requested()) {
2023 qemu_system_powerdown();
2025 if (qemu_vmstop_requested(&r
)) {
2031 static void main_loop(void)
2035 #ifdef CONFIG_PROFILER
2039 nonblocking
= !kvm_enabled() && last_io
> 0;
2040 #ifdef CONFIG_PROFILER
2041 ti
= profile_getclock();
2043 last_io
= main_loop_wait(nonblocking
);
2044 #ifdef CONFIG_PROFILER
2045 dev_time
+= profile_getclock() - ti
;
2047 } while (!main_loop_should_exit());
2050 static void version(void)
2052 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2055 static void help(int exitcode
)
2058 printf("usage: %s [options] [disk_image]\n\n"
2059 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2060 error_get_progname());
2062 #define QEMU_OPTIONS_GENERATE_HELP
2063 #include "qemu-options-wrapper.h"
2065 printf("\nDuring emulation, the following keys are useful:\n"
2066 "ctrl-alt-f toggle full screen\n"
2067 "ctrl-alt-n switch to virtual console 'n'\n"
2068 "ctrl-alt toggle mouse and keyboard grab\n"
2070 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2075 #define HAS_ARG 0x0001
2077 typedef struct QEMUOption
{
2084 static const QEMUOption qemu_options
[] = {
2085 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2086 #define QEMU_OPTIONS_GENERATE_OPTIONS
2087 #include "qemu-options-wrapper.h"
2091 static bool vga_available(void)
2093 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2096 static bool cirrus_vga_available(void)
2098 return object_class_by_name("cirrus-vga")
2099 || object_class_by_name("isa-cirrus-vga");
2102 static bool vmware_vga_available(void)
2104 return object_class_by_name("vmware-svga");
2107 static bool qxl_vga_available(void)
2109 return object_class_by_name("qxl-vga");
2112 static void select_vgahw (const char *p
)
2116 vga_interface_type
= VGA_NONE
;
2117 if (strstart(p
, "std", &opts
)) {
2118 if (vga_available()) {
2119 vga_interface_type
= VGA_STD
;
2121 fprintf(stderr
, "Error: standard VGA not available\n");
2124 } else if (strstart(p
, "cirrus", &opts
)) {
2125 if (cirrus_vga_available()) {
2126 vga_interface_type
= VGA_CIRRUS
;
2128 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2131 } else if (strstart(p
, "vmware", &opts
)) {
2132 if (vmware_vga_available()) {
2133 vga_interface_type
= VGA_VMWARE
;
2135 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2138 } else if (strstart(p
, "xenfb", &opts
)) {
2139 vga_interface_type
= VGA_XENFB
;
2140 } else if (strstart(p
, "qxl", &opts
)) {
2141 if (qxl_vga_available()) {
2142 vga_interface_type
= VGA_QXL
;
2144 fprintf(stderr
, "Error: QXL VGA not available\n");
2147 } else if (!strstart(p
, "none", &opts
)) {
2149 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2153 const char *nextopt
;
2155 if (strstart(opts
, ",retrace=", &nextopt
)) {
2157 if (strstart(opts
, "dumb", &nextopt
))
2158 vga_retrace_method
= VGA_RETRACE_DUMB
;
2159 else if (strstart(opts
, "precise", &nextopt
))
2160 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2161 else goto invalid_vga
;
2162 } else goto invalid_vga
;
2167 static DisplayType
select_display(const char *p
)
2170 DisplayType display
= DT_DEFAULT
;
2172 if (strstart(p
, "sdl", &opts
)) {
2176 const char *nextopt
;
2178 if (strstart(opts
, ",frame=", &nextopt
)) {
2180 if (strstart(opts
, "on", &nextopt
)) {
2182 } else if (strstart(opts
, "off", &nextopt
)) {
2185 goto invalid_sdl_args
;
2187 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2189 if (strstart(opts
, "on", &nextopt
)) {
2191 } else if (strstart(opts
, "off", &nextopt
)) {
2194 goto invalid_sdl_args
;
2196 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2198 if (strstart(opts
, "on", &nextopt
)) {
2200 } else if (strstart(opts
, "off", &nextopt
)) {
2203 goto invalid_sdl_args
;
2205 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2207 if (strstart(opts
, "on", &nextopt
)) {
2209 } else if (strstart(opts
, "off", &nextopt
)) {
2212 goto invalid_sdl_args
;
2216 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2222 fprintf(stderr
, "SDL support is disabled\n");
2225 } else if (strstart(p
, "vnc", &opts
)) {
2230 const char *nextopt
;
2232 if (strstart(opts
, "=", &nextopt
)) {
2233 vnc_display
= nextopt
;
2237 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2241 fprintf(stderr
, "VNC support is disabled\n");
2244 } else if (strstart(p
, "curses", &opts
)) {
2245 #ifdef CONFIG_CURSES
2246 display
= DT_CURSES
;
2248 fprintf(stderr
, "Curses support is disabled\n");
2251 } else if (strstart(p
, "gtk", &opts
)) {
2255 fprintf(stderr
, "GTK support is disabled\n");
2258 } else if (strstart(p
, "none", &opts
)) {
2261 fprintf(stderr
, "Unknown display type: %s\n", p
);
2268 static int balloon_parse(const char *arg
)
2272 if (strcmp(arg
, "none") == 0) {
2276 if (!strncmp(arg
, "virtio", 6)) {
2277 if (arg
[6] == ',') {
2278 /* have params -> parse them */
2279 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2283 /* create empty opts */
2284 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2286 qemu_opt_set(opts
, "driver", "virtio-balloon");
2293 char *qemu_find_file(int type
, const char *name
)
2299 /* Try the name as a straight path first */
2300 if (access(name
, R_OK
) == 0) {
2301 trace_load_file(name
, name
);
2302 return g_strdup(name
);
2306 case QEMU_FILE_TYPE_BIOS
:
2309 case QEMU_FILE_TYPE_KEYMAP
:
2310 subdir
= "keymaps/";
2316 for (i
= 0; i
< data_dir_idx
; i
++) {
2317 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2318 if (access(buf
, R_OK
) == 0) {
2319 trace_load_file(name
, buf
);
2327 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2329 return qdev_device_help(opts
);
2332 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2336 dev
= qdev_device_add(opts
);
2339 object_unref(OBJECT(dev
));
2343 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2345 Error
*local_err
= NULL
;
2347 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2348 if (error_is_set(&local_err
)) {
2349 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2350 error_free(local_err
);
2356 #ifdef CONFIG_VIRTFS
2357 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2360 ret
= qemu_fsdev_add(opts
);
2366 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2368 CharDriverState
*chr
;
2369 const char *chardev
;
2373 mode
= qemu_opt_get(opts
, "mode");
2377 if (strcmp(mode
, "readline") == 0) {
2378 flags
= MONITOR_USE_READLINE
;
2379 } else if (strcmp(mode
, "control") == 0) {
2380 flags
= MONITOR_USE_CONTROL
;
2382 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2386 if (qemu_opt_get_bool(opts
, "pretty", 0))
2387 flags
|= MONITOR_USE_PRETTY
;
2389 if (qemu_opt_get_bool(opts
, "default", 0))
2390 flags
|= MONITOR_IS_DEFAULT
;
2392 chardev
= qemu_opt_get(opts
, "chardev");
2393 chr
= qemu_chr_find(chardev
);
2395 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2399 monitor_init(chr
, flags
);
2403 static void monitor_parse(const char *optarg
, const char *mode
)
2405 static int monitor_device_index
= 0;
2411 if (strstart(optarg
, "chardev:", &p
)) {
2412 snprintf(label
, sizeof(label
), "%s", p
);
2414 snprintf(label
, sizeof(label
), "compat_monitor%d",
2415 monitor_device_index
);
2416 if (monitor_device_index
== 0) {
2419 opts
= qemu_chr_parse_compat(label
, optarg
);
2421 fprintf(stderr
, "parse error: %s\n", optarg
);
2426 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2428 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2431 qemu_opt_set(opts
, "mode", mode
);
2432 qemu_opt_set(opts
, "chardev", label
);
2434 qemu_opt_set(opts
, "default", "on");
2435 monitor_device_index
++;
2438 struct device_config
{
2440 DEV_USB
, /* -usbdevice */
2442 DEV_SERIAL
, /* -serial */
2443 DEV_PARALLEL
, /* -parallel */
2444 DEV_VIRTCON
, /* -virtioconsole */
2445 DEV_DEBUGCON
, /* -debugcon */
2446 DEV_GDB
, /* -gdb, -s */
2447 DEV_SCLP
, /* s390 sclp */
2449 const char *cmdline
;
2451 QTAILQ_ENTRY(device_config
) next
;
2454 static QTAILQ_HEAD(, device_config
) device_configs
=
2455 QTAILQ_HEAD_INITIALIZER(device_configs
);
2457 static void add_device_config(int type
, const char *cmdline
)
2459 struct device_config
*conf
;
2461 conf
= g_malloc0(sizeof(*conf
));
2463 conf
->cmdline
= cmdline
;
2464 loc_save(&conf
->loc
);
2465 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2468 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2470 struct device_config
*conf
;
2473 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2474 if (conf
->type
!= type
)
2476 loc_push_restore(&conf
->loc
);
2477 rc
= func(conf
->cmdline
);
2478 loc_pop(&conf
->loc
);
2485 static int serial_parse(const char *devname
)
2487 static int index
= 0;
2490 if (strcmp(devname
, "none") == 0)
2492 if (index
== MAX_SERIAL_PORTS
) {
2493 fprintf(stderr
, "qemu: too many serial ports\n");
2496 snprintf(label
, sizeof(label
), "serial%d", index
);
2497 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2498 if (!serial_hds
[index
]) {
2499 fprintf(stderr
, "qemu: could not connect serial device"
2500 " to character backend '%s'\n", devname
);
2507 static int parallel_parse(const char *devname
)
2509 static int index
= 0;
2512 if (strcmp(devname
, "none") == 0)
2514 if (index
== MAX_PARALLEL_PORTS
) {
2515 fprintf(stderr
, "qemu: too many parallel ports\n");
2518 snprintf(label
, sizeof(label
), "parallel%d", index
);
2519 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2520 if (!parallel_hds
[index
]) {
2521 fprintf(stderr
, "qemu: could not connect parallel device"
2522 " to character backend '%s'\n", devname
);
2529 static int virtcon_parse(const char *devname
)
2531 QemuOptsList
*device
= qemu_find_opts("device");
2532 static int index
= 0;
2534 QemuOpts
*bus_opts
, *dev_opts
;
2536 if (strcmp(devname
, "none") == 0)
2538 if (index
== MAX_VIRTIO_CONSOLES
) {
2539 fprintf(stderr
, "qemu: too many virtio consoles\n");
2543 bus_opts
= qemu_opts_create_nofail(device
);
2544 if (arch_type
== QEMU_ARCH_S390X
) {
2545 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2547 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2550 dev_opts
= qemu_opts_create_nofail(device
);
2551 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2553 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2554 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2555 if (!virtcon_hds
[index
]) {
2556 fprintf(stderr
, "qemu: could not connect virtio console"
2557 " to character backend '%s'\n", devname
);
2560 qemu_opt_set(dev_opts
, "chardev", label
);
2566 static int sclp_parse(const char *devname
)
2568 QemuOptsList
*device
= qemu_find_opts("device");
2569 static int index
= 0;
2573 if (strcmp(devname
, "none") == 0) {
2576 if (index
== MAX_SCLP_CONSOLES
) {
2577 fprintf(stderr
, "qemu: too many sclp consoles\n");
2581 assert(arch_type
== QEMU_ARCH_S390X
);
2583 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2584 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2586 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2587 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2588 if (!sclp_hds
[index
]) {
2589 fprintf(stderr
, "qemu: could not connect sclp console"
2590 " to character backend '%s'\n", devname
);
2593 qemu_opt_set(dev_opts
, "chardev", label
);
2599 static int debugcon_parse(const char *devname
)
2603 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2606 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2608 fprintf(stderr
, "qemu: already have a debugcon device\n");
2611 qemu_opt_set(opts
, "driver", "isa-debugcon");
2612 qemu_opt_set(opts
, "chardev", "debugcon");
2616 static QEMUMachine
*machine_parse(const char *name
)
2618 QEMUMachine
*m
, *machine
= NULL
;
2621 machine
= find_machine(name
);
2626 printf("Supported machines are:\n");
2627 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2629 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2631 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2632 m
->is_default
? " (default)" : "");
2634 exit(!name
|| !is_help_option(name
));
2637 static int tcg_init(void)
2639 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2644 const char *opt_name
;
2646 int (*available
)(void);
2650 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2651 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2652 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2653 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2656 static int configure_accelerator(void)
2658 const char *p
= NULL
;
2661 bool accel_initialised
= false;
2662 bool init_failed
= false;
2664 QemuOptsList
*list
= qemu_find_opts("machine");
2665 if (!QTAILQ_EMPTY(&list
->head
)) {
2666 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2670 /* Use the default "accelerator", tcg */
2674 while (!accel_initialised
&& *p
!= '\0') {
2678 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2679 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2680 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2681 if (!accel_list
[i
].available()) {
2682 printf("%s not supported for this target\n",
2683 accel_list
[i
].name
);
2686 *(accel_list
[i
].allowed
) = true;
2687 ret
= accel_list
[i
].init();
2690 fprintf(stderr
, "failed to initialize %s: %s\n",
2693 *(accel_list
[i
].allowed
) = false;
2695 accel_initialised
= true;
2700 if (i
== ARRAY_SIZE(accel_list
)) {
2701 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2705 if (!accel_initialised
) {
2707 fprintf(stderr
, "No accelerator found!\n");
2713 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2716 return !accel_initialised
;
2719 void qemu_add_exit_notifier(Notifier
*notify
)
2721 notifier_list_add(&exit_notifiers
, notify
);
2724 void qemu_remove_exit_notifier(Notifier
*notify
)
2726 notifier_remove(notify
);
2729 static void qemu_run_exit_notifiers(void)
2731 notifier_list_notify(&exit_notifiers
, NULL
);
2734 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2736 notifier_list_add(&machine_init_done_notifiers
, notify
);
2739 static void qemu_run_machine_init_done_notifiers(void)
2741 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2744 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2745 const char **poptarg
, int *poptind
)
2747 const QEMUOption
*popt
;
2748 int optind
= *poptind
;
2749 char *r
= argv
[optind
];
2752 loc_set_cmdline(argv
, optind
, 1);
2754 /* Treat --foo the same as -foo. */
2757 popt
= qemu_options
;
2760 error_report("invalid option");
2763 if (!strcmp(popt
->name
, r
+ 1))
2767 if (popt
->flags
& HAS_ARG
) {
2768 if (optind
>= argc
) {
2769 error_report("requires an argument");
2772 optarg
= argv
[optind
++];
2773 loc_set_cmdline(argv
, optind
- 2, 2);
2784 static gpointer
malloc_and_trace(gsize n_bytes
)
2786 void *ptr
= malloc(n_bytes
);
2787 trace_g_malloc(n_bytes
, ptr
);
2791 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2793 void *ptr
= realloc(mem
, n_bytes
);
2794 trace_g_realloc(mem
, n_bytes
, ptr
);
2798 static void free_and_trace(gpointer mem
)
2804 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2806 Object
*obj
= OBJECT(opaque
);
2807 StringInputVisitor
*siv
;
2808 Error
*local_err
= NULL
;
2810 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2814 siv
= string_input_visitor_new(value
);
2815 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2816 string_input_visitor_cleanup(siv
);
2819 qerror_report_err(local_err
);
2820 error_free(local_err
);
2827 static int object_create(QemuOpts
*opts
, void *opaque
)
2829 const char *type
= qemu_opt_get(opts
, "qom-type");
2830 const char *id
= qemu_opts_id(opts
);
2833 g_assert(type
!= NULL
);
2836 qerror_report(QERR_MISSING_PARAMETER
, "id");
2840 obj
= object_new(type
);
2841 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2845 object_property_add_child(container_get(object_get_root(), "/objects"),
2851 int main(int argc
, char **argv
, char **envp
)
2854 int snapshot
, linux_boot
;
2855 const char *icount_option
= NULL
;
2856 const char *initrd_filename
;
2857 const char *kernel_filename
, *kernel_cmdline
;
2858 char boot_devices
[33] = "";
2860 int cyls
, heads
, secs
, translation
;
2861 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2862 QemuOptsList
*olist
;
2865 const char *loadvm
= NULL
;
2866 QEMUMachine
*machine
;
2867 const char *cpu_model
;
2868 const char *vga_model
= "none";
2869 const char *pid_file
= NULL
;
2870 const char *incoming
= NULL
;
2872 int show_vnc_port
= 0;
2874 bool defconfig
= true;
2875 bool userconfig
= true;
2876 const char *log_mask
= NULL
;
2877 const char *log_file
= NULL
;
2878 GMemVTable mem_trace
= {
2879 .malloc
= malloc_and_trace
,
2880 .realloc
= realloc_and_trace
,
2881 .free
= free_and_trace
,
2883 const char *trace_events
= NULL
;
2884 const char *trace_file
= NULL
;
2886 atexit(qemu_run_exit_notifiers
);
2887 error_set_progname(argv
[0]);
2889 g_mem_set_vtable(&mem_trace
);
2890 if (!g_thread_supported()) {
2891 #if !GLIB_CHECK_VERSION(2, 31, 0)
2892 g_thread_init(NULL
);
2894 fprintf(stderr
, "glib threading failed to initialize.\n");
2899 module_call_init(MODULE_INIT_QOM
);
2901 qemu_add_opts(&qemu_drive_opts
);
2902 qemu_add_opts(&qemu_chardev_opts
);
2903 qemu_add_opts(&qemu_device_opts
);
2904 qemu_add_opts(&qemu_netdev_opts
);
2905 qemu_add_opts(&qemu_net_opts
);
2906 qemu_add_opts(&qemu_rtc_opts
);
2907 qemu_add_opts(&qemu_global_opts
);
2908 qemu_add_opts(&qemu_mon_opts
);
2909 qemu_add_opts(&qemu_trace_opts
);
2910 qemu_add_opts(&qemu_option_rom_opts
);
2911 qemu_add_opts(&qemu_machine_opts
);
2912 qemu_add_opts(&qemu_boot_opts
);
2913 qemu_add_opts(&qemu_sandbox_opts
);
2914 qemu_add_opts(&qemu_add_fd_opts
);
2915 qemu_add_opts(&qemu_object_opts
);
2916 qemu_add_opts(&qemu_tpmdev_opts
);
2921 rtc_clock
= host_clock
;
2923 qemu_cache_utils_init(envp
);
2925 QLIST_INIT (&vm_change_state_head
);
2926 os_setup_early_signal_handling();
2928 module_call_init(MODULE_INIT_MACHINE
);
2929 machine
= find_default_machine();
2933 cyls
= heads
= secs
= 0;
2934 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2936 for (i
= 0; i
< MAX_NODES
; i
++) {
2938 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2944 bdrv_init_with_whitelist();
2948 /* first pass of option parsing */
2950 while (optind
< argc
) {
2951 if (argv
[optind
][0] != '-') {
2956 const QEMUOption
*popt
;
2958 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2959 switch (popt
->index
) {
2960 case QEMU_OPTION_nodefconfig
:
2963 case QEMU_OPTION_nouserconfig
:
2972 ret
= qemu_read_default_config_files(userconfig
);
2978 /* second pass of option parsing */
2983 if (argv
[optind
][0] != '-') {
2984 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2986 const QEMUOption
*popt
;
2988 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2989 if (!(popt
->arch_mask
& arch_type
)) {
2990 printf("Option %s not supported for this target\n", popt
->name
);
2993 switch(popt
->index
) {
2995 machine
= machine_parse(optarg
);
2997 case QEMU_OPTION_no_kvm_irqchip
: {
2998 olist
= qemu_find_opts("machine");
2999 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3002 case QEMU_OPTION_cpu
:
3003 /* hw initialization will check this */
3006 case QEMU_OPTION_hda
:
3010 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3012 snprintf(buf
, sizeof(buf
),
3013 "%s,cyls=%d,heads=%d,secs=%d%s",
3014 HD_OPTS
, cyls
, heads
, secs
,
3015 translation
== BIOS_ATA_TRANSLATION_LBA
?
3017 translation
== BIOS_ATA_TRANSLATION_NONE
?
3018 ",trans=none" : "");
3019 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3022 case QEMU_OPTION_hdb
:
3023 case QEMU_OPTION_hdc
:
3024 case QEMU_OPTION_hdd
:
3025 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3028 case QEMU_OPTION_drive
:
3029 if (drive_def(optarg
) == NULL
) {
3033 case QEMU_OPTION_set
:
3034 if (qemu_set_option(optarg
) != 0)
3037 case QEMU_OPTION_global
:
3038 if (qemu_global_option(optarg
) != 0)
3041 case QEMU_OPTION_mtdblock
:
3042 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3044 case QEMU_OPTION_sd
:
3045 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3047 case QEMU_OPTION_pflash
:
3048 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3050 case QEMU_OPTION_snapshot
:
3053 case QEMU_OPTION_hdachs
:
3057 cyls
= strtol(p
, (char **)&p
, 0);
3058 if (cyls
< 1 || cyls
> 16383)
3063 heads
= strtol(p
, (char **)&p
, 0);
3064 if (heads
< 1 || heads
> 16)
3069 secs
= strtol(p
, (char **)&p
, 0);
3070 if (secs
< 1 || secs
> 63)
3074 if (!strcmp(p
, "none"))
3075 translation
= BIOS_ATA_TRANSLATION_NONE
;
3076 else if (!strcmp(p
, "lba"))
3077 translation
= BIOS_ATA_TRANSLATION_LBA
;
3078 else if (!strcmp(p
, "auto"))
3079 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3082 } else if (*p
!= '\0') {
3084 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3087 if (hda_opts
!= NULL
) {
3089 snprintf(num
, sizeof(num
), "%d", cyls
);
3090 qemu_opt_set(hda_opts
, "cyls", num
);
3091 snprintf(num
, sizeof(num
), "%d", heads
);
3092 qemu_opt_set(hda_opts
, "heads", num
);
3093 snprintf(num
, sizeof(num
), "%d", secs
);
3094 qemu_opt_set(hda_opts
, "secs", num
);
3095 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3096 qemu_opt_set(hda_opts
, "trans", "lba");
3097 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3098 qemu_opt_set(hda_opts
, "trans", "none");
3102 case QEMU_OPTION_numa
:
3105 case QEMU_OPTION_display
:
3106 display_type
= select_display(optarg
);
3108 case QEMU_OPTION_nographic
:
3109 display_type
= DT_NOGRAPHIC
;
3111 case QEMU_OPTION_curses
:
3112 #ifdef CONFIG_CURSES
3113 display_type
= DT_CURSES
;
3115 fprintf(stderr
, "Curses support is disabled\n");
3119 case QEMU_OPTION_portrait
:
3120 graphic_rotate
= 90;
3122 case QEMU_OPTION_rotate
:
3123 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3124 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3125 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3127 "qemu: only 90, 180, 270 deg rotation is available\n");
3131 case QEMU_OPTION_kernel
:
3132 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3134 case QEMU_OPTION_initrd
:
3135 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3137 case QEMU_OPTION_append
:
3138 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3140 case QEMU_OPTION_dtb
:
3141 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3143 case QEMU_OPTION_cdrom
:
3144 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3146 case QEMU_OPTION_boot
:
3148 static const char * const params
[] = {
3149 "order", "once", "menu",
3150 "splash", "splash-time",
3151 "reboot-timeout", "strict", NULL
3153 char buf
[sizeof(boot_devices
)];
3154 char *standard_boot_devices
;
3157 if (!strchr(optarg
, '=')) {
3159 pstrcpy(buf
, sizeof(buf
), optarg
);
3160 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3162 "qemu: unknown boot parameter '%s' in '%s'\n",
3168 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3169 validate_bootdevices(buf
);
3170 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3173 if (get_param_value(buf
, sizeof(buf
),
3175 validate_bootdevices(buf
);
3176 standard_boot_devices
= g_strdup(boot_devices
);
3177 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3178 qemu_register_reset(restore_boot_devices
,
3179 standard_boot_devices
);
3181 if (get_param_value(buf
, sizeof(buf
),
3183 if (!strcmp(buf
, "on")) {
3185 } else if (!strcmp(buf
, "off")) {
3189 "qemu: invalid option value '%s'\n",
3194 if (get_param_value(buf
, sizeof(buf
),
3195 "strict", optarg
)) {
3196 if (!strcmp(buf
, "on")) {
3198 } else if (!strcmp(buf
, "off")) {
3199 boot_strict
= false;
3202 "qemu: invalid option value '%s'\n",
3207 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3214 case QEMU_OPTION_fda
:
3215 case QEMU_OPTION_fdb
:
3216 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3219 case QEMU_OPTION_no_fd_bootchk
:
3222 case QEMU_OPTION_netdev
:
3223 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3227 case QEMU_OPTION_net
:
3228 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3232 #ifdef CONFIG_LIBISCSI
3233 case QEMU_OPTION_iscsi
:
3234 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3241 case QEMU_OPTION_tftp
:
3242 legacy_tftp_prefix
= optarg
;
3244 case QEMU_OPTION_bootp
:
3245 legacy_bootp_filename
= optarg
;
3247 case QEMU_OPTION_redir
:
3248 if (net_slirp_redir(optarg
) < 0)
3252 case QEMU_OPTION_bt
:
3253 add_device_config(DEV_BT
, optarg
);
3255 case QEMU_OPTION_audio_help
:
3256 if (!(audio_available())) {
3257 printf("Option %s not supported for this target\n", popt
->name
);
3263 case QEMU_OPTION_soundhw
:
3264 if (!(audio_available())) {
3265 printf("Option %s not supported for this target\n", popt
->name
);
3268 select_soundhw (optarg
);
3273 case QEMU_OPTION_version
:
3277 case QEMU_OPTION_m
: {
3282 value
= strtosz(optarg
, &end
);
3283 if (value
< 0 || *end
) {
3284 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3287 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3289 if (ram_size
!= sz
) {
3290 fprintf(stderr
, "qemu: ram size too large\n");
3296 case QEMU_OPTION_tpmdev
:
3297 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3302 case QEMU_OPTION_mempath
:
3306 case QEMU_OPTION_mem_prealloc
:
3317 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3319 case QEMU_OPTION_gdb
:
3320 add_device_config(DEV_GDB
, optarg
);
3323 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3324 data_dir
[data_dir_idx
++] = optarg
;
3327 case QEMU_OPTION_bios
:
3330 case QEMU_OPTION_singlestep
:
3337 keyboard_layout
= optarg
;
3339 case QEMU_OPTION_localtime
:
3342 case QEMU_OPTION_vga
:
3351 w
= strtol(p
, (char **)&p
, 10);
3354 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3360 h
= strtol(p
, (char **)&p
, 10);
3365 depth
= strtol(p
, (char **)&p
, 10);
3366 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3367 depth
!= 24 && depth
!= 32)
3369 } else if (*p
== '\0') {
3370 depth
= graphic_depth
;
3377 graphic_depth
= depth
;
3380 case QEMU_OPTION_echr
:
3383 term_escape_char
= strtol(optarg
, &r
, 0);
3385 printf("Bad argument to echr\n");
3388 case QEMU_OPTION_monitor
:
3389 monitor_parse(optarg
, "readline");
3390 default_monitor
= 0;
3392 case QEMU_OPTION_qmp
:
3393 monitor_parse(optarg
, "control");
3394 default_monitor
= 0;
3396 case QEMU_OPTION_mon
:
3397 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3401 default_monitor
= 0;
3403 case QEMU_OPTION_chardev
:
3404 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3409 case QEMU_OPTION_fsdev
:
3410 olist
= qemu_find_opts("fsdev");
3412 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3415 opts
= qemu_opts_parse(olist
, optarg
, 1);
3420 case QEMU_OPTION_virtfs
: {
3423 const char *writeout
, *sock_fd
, *socket
;
3425 olist
= qemu_find_opts("virtfs");
3427 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3430 opts
= qemu_opts_parse(olist
, optarg
, 1);
3435 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3436 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3437 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3440 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3441 qemu_opt_get(opts
, "mount_tag"),
3444 fprintf(stderr
, "duplicate fsdev id: %s\n",
3445 qemu_opt_get(opts
, "mount_tag"));
3449 writeout
= qemu_opt_get(opts
, "writeout");
3451 #ifdef CONFIG_SYNC_FILE_RANGE
3452 qemu_opt_set(fsdev
, "writeout", writeout
);
3454 fprintf(stderr
, "writeout=immediate not supported on "
3459 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3460 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3461 qemu_opt_set(fsdev
, "security_model",
3462 qemu_opt_get(opts
, "security_model"));
3463 socket
= qemu_opt_get(opts
, "socket");
3465 qemu_opt_set(fsdev
, "socket", socket
);
3467 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3469 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3472 qemu_opt_set_bool(fsdev
, "readonly",
3473 qemu_opt_get_bool(opts
, "readonly", 0));
3474 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3475 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3476 qemu_opt_set(device
, "fsdev",
3477 qemu_opt_get(opts
, "mount_tag"));
3478 qemu_opt_set(device
, "mount_tag",
3479 qemu_opt_get(opts
, "mount_tag"));
3482 case QEMU_OPTION_virtfs_synth
: {
3486 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3489 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3492 qemu_opt_set(fsdev
, "fsdriver", "synth");
3494 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3495 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3496 qemu_opt_set(device
, "fsdev", "v_synth");
3497 qemu_opt_set(device
, "mount_tag", "v_synth");
3500 case QEMU_OPTION_serial
:
3501 add_device_config(DEV_SERIAL
, optarg
);
3503 if (strncmp(optarg
, "mon:", 4) == 0) {
3504 default_monitor
= 0;
3507 case QEMU_OPTION_watchdog
:
3510 "qemu: only one watchdog option may be given\n");
3515 case QEMU_OPTION_watchdog_action
:
3516 if (select_watchdog_action(optarg
) == -1) {
3517 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3521 case QEMU_OPTION_virtiocon
:
3522 add_device_config(DEV_VIRTCON
, optarg
);
3523 default_virtcon
= 0;
3524 if (strncmp(optarg
, "mon:", 4) == 0) {
3525 default_monitor
= 0;
3528 case QEMU_OPTION_parallel
:
3529 add_device_config(DEV_PARALLEL
, optarg
);
3530 default_parallel
= 0;
3531 if (strncmp(optarg
, "mon:", 4) == 0) {
3532 default_monitor
= 0;
3535 case QEMU_OPTION_debugcon
:
3536 add_device_config(DEV_DEBUGCON
, optarg
);
3538 case QEMU_OPTION_loadvm
:
3541 case QEMU_OPTION_full_screen
:
3545 case QEMU_OPTION_no_frame
:
3548 case QEMU_OPTION_alt_grab
:
3551 case QEMU_OPTION_ctrl_grab
:
3554 case QEMU_OPTION_no_quit
:
3557 case QEMU_OPTION_sdl
:
3558 display_type
= DT_SDL
;
3561 case QEMU_OPTION_no_frame
:
3562 case QEMU_OPTION_alt_grab
:
3563 case QEMU_OPTION_ctrl_grab
:
3564 case QEMU_OPTION_no_quit
:
3565 case QEMU_OPTION_sdl
:
3566 fprintf(stderr
, "SDL support is disabled\n");
3569 case QEMU_OPTION_pidfile
:
3572 case QEMU_OPTION_win2k_hack
:
3573 win2k_install_hack
= 1;
3575 case QEMU_OPTION_rtc_td_hack
: {
3576 static GlobalProperty slew_lost_ticks
[] = {
3578 .driver
= "mc146818rtc",
3579 .property
= "lost_tick_policy",
3582 { /* end of list */ }
3585 qdev_prop_register_global_list(slew_lost_ticks
);
3588 case QEMU_OPTION_acpitable
:
3589 do_acpitable_option(optarg
);
3591 case QEMU_OPTION_smbios
:
3592 do_smbios_option(optarg
);
3594 case QEMU_OPTION_enable_kvm
:
3595 olist
= qemu_find_opts("machine");
3596 qemu_opts_parse(olist
, "accel=kvm", 0);
3598 case QEMU_OPTION_machine
:
3599 olist
= qemu_find_opts("machine");
3600 opts
= qemu_opts_parse(olist
, optarg
, 1);
3604 optarg
= qemu_opt_get(opts
, "type");
3606 machine
= machine_parse(optarg
);
3609 case QEMU_OPTION_no_kvm
:
3610 olist
= qemu_find_opts("machine");
3611 qemu_opts_parse(olist
, "accel=tcg", 0);
3613 case QEMU_OPTION_no_kvm_pit
: {
3614 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3618 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3619 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3621 .driver
= "kvm-pit",
3622 .property
= "lost_tick_policy",
3625 { /* end of list */ }
3628 fprintf(stderr
, "Warning: option deprecated, use "
3629 "lost_tick_policy property of kvm-pit instead.\n");
3630 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3633 case QEMU_OPTION_usb
:
3634 olist
= qemu_find_opts("machine");
3635 qemu_opts_parse(olist
, "usb=on", 0);
3637 case QEMU_OPTION_usbdevice
:
3638 olist
= qemu_find_opts("machine");
3639 qemu_opts_parse(olist
, "usb=on", 0);
3640 add_device_config(DEV_USB
, optarg
);
3642 case QEMU_OPTION_device
:
3643 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3647 case QEMU_OPTION_smp
:
3650 fprintf(stderr
, "Invalid number of CPUs\n");
3653 if (max_cpus
< smp_cpus
) {
3654 fprintf(stderr
, "maxcpus must be equal to or greater than "
3658 if (max_cpus
> 255) {
3659 fprintf(stderr
, "Unsupported number of maxcpus\n");
3663 case QEMU_OPTION_vnc
:
3666 vnc_display
= optarg
;
3668 fprintf(stderr
, "VNC support is disabled\n");
3672 case QEMU_OPTION_no_acpi
:
3675 case QEMU_OPTION_no_hpet
:
3678 case QEMU_OPTION_balloon
:
3679 if (balloon_parse(optarg
) < 0) {
3680 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3684 case QEMU_OPTION_no_reboot
:
3687 case QEMU_OPTION_no_shutdown
:
3690 case QEMU_OPTION_show_cursor
:
3693 case QEMU_OPTION_uuid
:
3694 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3695 fprintf(stderr
, "Fail to parse UUID string."
3696 " Wrong format.\n");
3700 case QEMU_OPTION_option_rom
:
3701 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3702 fprintf(stderr
, "Too many option ROMs\n");
3705 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3709 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3710 option_rom
[nb_option_roms
].bootindex
=
3711 qemu_opt_get_number(opts
, "bootindex", -1);
3712 if (!option_rom
[nb_option_roms
].name
) {
3713 fprintf(stderr
, "Option ROM file is not specified\n");
3718 case QEMU_OPTION_semihosting
:
3719 semihosting_enabled
= 1;
3721 case QEMU_OPTION_tdf
:
3722 fprintf(stderr
, "Warning: user space PIT time drift fix "
3723 "is no longer supported.\n");
3725 case QEMU_OPTION_name
:
3726 qemu_name
= g_strdup(optarg
);
3728 char *p
= strchr(qemu_name
, ',');
3731 if (strncmp(p
, "process=", 8)) {
3732 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3736 os_set_proc_name(p
);
3740 case QEMU_OPTION_prom_env
:
3741 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3742 fprintf(stderr
, "Too many prom variables\n");
3745 prom_envs
[nb_prom_envs
] = optarg
;
3748 case QEMU_OPTION_old_param
:
3751 case QEMU_OPTION_clock
:
3752 configure_alarms(optarg
);
3754 case QEMU_OPTION_startdate
:
3755 configure_rtc_date_offset(optarg
, 1);
3757 case QEMU_OPTION_rtc
:
3758 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3762 configure_rtc(opts
);
3764 case QEMU_OPTION_tb_size
:
3765 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3766 if (tcg_tb_size
< 0) {
3770 case QEMU_OPTION_icount
:
3771 icount_option
= optarg
;
3773 case QEMU_OPTION_incoming
:
3775 runstate_set(RUN_STATE_INMIGRATE
);
3777 case QEMU_OPTION_nodefaults
:
3779 default_parallel
= 0;
3780 default_virtcon
= 0;
3782 default_monitor
= 0;
3789 case QEMU_OPTION_xen_domid
:
3790 if (!(xen_available())) {
3791 printf("Option %s not supported for this target\n", popt
->name
);
3794 xen_domid
= atoi(optarg
);
3796 case QEMU_OPTION_xen_create
:
3797 if (!(xen_available())) {
3798 printf("Option %s not supported for this target\n", popt
->name
);
3801 xen_mode
= XEN_CREATE
;
3803 case QEMU_OPTION_xen_attach
:
3804 if (!(xen_available())) {
3805 printf("Option %s not supported for this target\n", popt
->name
);
3808 xen_mode
= XEN_ATTACH
;
3810 case QEMU_OPTION_trace
:
3812 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3816 trace_events
= qemu_opt_get(opts
, "events");
3817 trace_file
= qemu_opt_get(opts
, "file");
3820 case QEMU_OPTION_readconfig
:
3822 int ret
= qemu_read_config_file(optarg
);
3824 fprintf(stderr
, "read config %s: %s\n", optarg
,
3830 case QEMU_OPTION_spice
:
3831 olist
= qemu_find_opts("spice");
3833 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3836 opts
= qemu_opts_parse(olist
, optarg
, 0);
3842 case QEMU_OPTION_writeconfig
:
3845 if (strcmp(optarg
, "-") == 0) {
3848 fp
= fopen(optarg
, "w");
3850 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3854 qemu_config_write(fp
);
3858 case QEMU_OPTION_qtest
:
3859 qtest_chrdev
= optarg
;
3861 case QEMU_OPTION_qtest_log
:
3864 case QEMU_OPTION_sandbox
:
3865 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3870 case QEMU_OPTION_add_fd
:
3872 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3877 error_report("File descriptor passing is disabled on this "
3882 case QEMU_OPTION_object
:
3883 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3889 os_parse_cmd_args(popt
->index
, optarg
);
3895 if (qemu_init_main_loop()) {
3896 fprintf(stderr
, "qemu_init_main_loop failed\n");
3900 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3905 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3909 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3914 if (machine
== NULL
) {
3915 fprintf(stderr
, "No machine found.\n");
3919 if (machine
->hw_version
) {
3920 qemu_set_version(machine
->hw_version
);
3923 if (qemu_opts_foreach(qemu_find_opts("object"),
3924 object_create
, NULL
, 0) != 0) {
3928 /* Init CPU def lists, based on config
3929 * - Must be called after all the qemu_read_config_file() calls
3930 * - Must be called before list_cpus()
3931 * - Must be called before machine->init()
3935 if (cpu_model
&& is_help_option(cpu_model
)) {
3936 list_cpus(stdout
, &fprintf
, cpu_model
);
3940 /* Open the logfile at this point, if necessary. We can't open the logfile
3941 * when encountering either of the logging options (-d or -D) because the
3942 * other one may be encountered later on the command line, changing the
3943 * location or level of logging.
3948 qemu_set_log_filename(log_file
);
3951 mask
= qemu_str_to_log_mask(log_mask
);
3953 qemu_print_log_usage(stdout
);
3959 if (!trace_backend_init(trace_events
, trace_file
)) {
3963 /* If no data_dir is specified then try to find it relative to the
3965 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3966 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3967 if (data_dir
[data_dir_idx
] != NULL
) {
3971 /* If all else fails use the install path specified when building. */
3972 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3973 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3977 * Default to max_cpus = smp_cpus, in case the user doesn't
3978 * specify a max_cpus value.
3981 max_cpus
= smp_cpus
;
3983 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3984 if (smp_cpus
> machine
->max_cpus
) {
3985 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3986 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3992 * Get the default machine options from the machine if it is not already
3993 * specified either by the configuration file or by the command line.
3995 if (machine
->default_machine_opts
) {
3996 qemu_opts_set_defaults(qemu_find_opts("machine"),
3997 machine
->default_machine_opts
, 0);
4000 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
4001 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
4003 if (machine
->no_serial
) {
4006 if (machine
->no_parallel
) {
4007 default_parallel
= 0;
4009 if (!machine
->use_virtcon
) {
4010 default_virtcon
= 0;
4012 if (!machine
->use_sclp
) {
4015 if (machine
->no_floppy
) {
4018 if (machine
->no_cdrom
) {
4021 if (machine
->no_sdcard
) {
4025 if (is_daemonized()) {
4026 /* According to documentation and historically, -nographic redirects
4027 * serial port, parallel port and monitor to stdio, which does not work
4028 * with -daemonize. We can redirect these to null instead, but since
4029 * -nographic is legacy, let's just error out.
4030 * We disallow -nographic only if all other ports are not redirected
4031 * explicitly, to not break existing legacy setups which uses
4032 * -nographic _and_ redirects all ports explicitly - this is valid
4033 * usage, -nographic is just a no-op in this case.
4035 if (display_type
== DT_NOGRAPHIC
4036 && (default_parallel
|| default_serial
4037 || default_monitor
|| default_virtcon
)) {
4038 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4041 #ifdef CONFIG_CURSES
4042 if (display_type
== DT_CURSES
) {
4043 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4049 if (display_type
== DT_NOGRAPHIC
) {
4050 if (default_parallel
)
4051 add_device_config(DEV_PARALLEL
, "null");
4052 if (default_serial
&& default_monitor
) {
4053 add_device_config(DEV_SERIAL
, "mon:stdio");
4054 } else if (default_virtcon
&& default_monitor
) {
4055 add_device_config(DEV_VIRTCON
, "mon:stdio");
4056 } else if (default_sclp
&& default_monitor
) {
4057 add_device_config(DEV_SCLP
, "mon:stdio");
4060 add_device_config(DEV_SERIAL
, "stdio");
4061 if (default_virtcon
)
4062 add_device_config(DEV_VIRTCON
, "stdio");
4064 add_device_config(DEV_SCLP
, "stdio");
4066 if (default_monitor
)
4067 monitor_parse("stdio", "readline");
4071 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4072 if (default_parallel
)
4073 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4074 if (default_monitor
)
4075 monitor_parse("vc:80Cx24C", "readline");
4076 if (default_virtcon
)
4077 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4079 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4083 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4084 #if defined(CONFIG_GTK)
4085 display_type
= DT_GTK
;
4086 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4087 display_type
= DT_SDL
;
4088 #elif defined(CONFIG_VNC)
4089 vnc_display
= "localhost:0,to=99";
4092 display_type
= DT_NONE
;
4096 #if defined(CONFIG_GTK)
4097 if (display_type
== DT_GTK
) {
4098 early_gtk_display_init();
4104 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4106 #ifdef CONFIG_VIRTFS
4107 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4114 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4119 /* init the memory */
4120 if (ram_size
== 0) {
4121 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4124 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4129 configure_accelerator();
4131 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4133 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4134 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4135 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4137 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4140 if (!kernel_cmdline
) {
4141 kernel_cmdline
= "";
4144 linux_boot
= (kernel_filename
!= NULL
);
4146 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4147 fprintf(stderr
, "-append only allowed with -kernel option\n");
4151 if (!linux_boot
&& initrd_filename
!= NULL
) {
4152 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4156 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4157 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4161 os_set_line_buffering();
4163 qemu_init_cpu_loop();
4164 qemu_mutex_lock_iothread();
4167 /* spice needs the timers to be initialized by this point */
4171 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4172 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4175 configure_icount(icount_option
);
4177 /* clean up network at qemu process termination */
4178 atexit(&net_cleanup
);
4180 if (net_init_clients() < 0) {
4185 if (tpm_init() < 0) {
4190 /* init the bluetooth world */
4191 if (foreach_device_config(DEV_BT
, bt_parse
))
4194 if (!xen_enabled()) {
4195 /* On 32-bit hosts, QEMU is limited by virtual address space */
4196 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4197 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4202 cpu_exec_init_all();
4206 /* open the virtual block devices */
4208 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4209 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4210 &machine
->block_default_type
, 1) != 0) {
4214 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4216 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4217 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4219 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4221 if (nb_numa_nodes
> 0) {
4224 if (nb_numa_nodes
> MAX_NODES
) {
4225 nb_numa_nodes
= MAX_NODES
;
4228 /* If no memory size if given for any node, assume the default case
4229 * and distribute the available memory equally across all nodes
4231 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4232 if (node_mem
[i
] != 0)
4235 if (i
== nb_numa_nodes
) {
4236 uint64_t usedmem
= 0;
4238 /* On Linux, the each node's border has to be 8MB aligned,
4239 * the final node gets the rest.
4241 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4242 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4243 usedmem
+= node_mem
[i
];
4245 node_mem
[i
] = ram_size
- usedmem
;
4248 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4249 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4253 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4254 * must cope with this anyway, because there are BIOSes out there in
4255 * real machines which also use this scheme.
4257 if (i
== nb_numa_nodes
) {
4258 for (i
= 0; i
< max_cpus
; i
++) {
4259 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4264 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4268 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4270 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4272 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4274 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4277 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4280 /* If no default VGA is requested, the default is "none". */
4282 if (cirrus_vga_available()) {
4283 vga_model
= "cirrus";
4284 } else if (vga_available()) {
4288 select_vgahw(vga_model
);
4291 i
= select_watchdog(watchdog
);
4293 exit (i
== 1 ? 1 : 0);
4296 if (machine
->compat_props
) {
4297 qdev_prop_register_global_list(machine
->compat_props
);
4301 qdev_machine_init();
4303 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4304 .boot_device
= (boot_devices
[0] == '\0') ?
4305 machine
->boot_order
:
4307 .kernel_filename
= kernel_filename
,
4308 .kernel_cmdline
= kernel_cmdline
,
4309 .initrd_filename
= initrd_filename
,
4310 .cpu_model
= cpu_model
};
4311 machine
->init(&args
);
4313 cpu_synchronize_all_post_init();
4317 current_machine
= machine
;
4319 /* init USB devices */
4320 if (usb_enabled(false)) {
4321 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4325 /* init generic devices */
4326 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4329 net_check_clients();
4331 /* just use the first displaystate for the moment */
4332 ds
= get_displaystate();
4334 /* init local displays */
4335 switch (display_type
) {
4338 #if defined(CONFIG_CURSES)
4340 curses_display_init(ds
, full_screen
);
4343 #if defined(CONFIG_SDL)
4345 sdl_display_init(ds
, full_screen
, no_frame
);
4347 #elif defined(CONFIG_COCOA)
4349 cocoa_display_init(ds
, full_screen
);
4352 #if defined(CONFIG_GTK)
4354 gtk_display_init(ds
);
4361 /* must be after terminal init, SDL library changes signal handlers */
4362 os_setup_signal_handling();
4365 /* init remote displays */
4367 Error
*local_err
= NULL
;
4368 vnc_display_init(ds
);
4369 vnc_display_open(ds
, vnc_display
, &local_err
);
4370 if (local_err
!= NULL
) {
4371 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4372 vnc_display
, error_get_pretty(local_err
));
4373 error_free(local_err
);
4377 if (show_vnc_port
) {
4378 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4383 if (using_spice
&& !qxl_enabled
) {
4384 qemu_spice_display_init(ds
);
4389 text_consoles_set_display(ds
);
4391 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4395 qdev_machine_creation_done();
4397 if (rom_load_all() != 0) {
4398 fprintf(stderr
, "rom loading failed\n");
4402 /* TODO: once all bus devices are qdevified, this should be done
4403 * when bus is created by qdev.c */
4404 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4405 qemu_run_machine_init_done_notifiers();
4407 qemu_system_reset(VMRESET_SILENT
);
4409 if (load_vmstate(loadvm
) < 0) {
4415 Error
*local_err
= NULL
;
4416 qemu_start_incoming_migration(incoming
, &local_err
);
4418 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4419 error_free(local_err
);
4422 } else if (autostart
) {