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
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 <sys/ethernet.h>
69 #include <sys/sockio.h>
70 #include <netinet/arp.h>
71 #include <netinet/in_systm.h>
72 #include <netinet/ip.h>
73 #include <netinet/ip_icmp.h> // must come after ip.h
74 #include <netinet/udp.h>
75 #include <netinet/tcp.h>
83 #if defined(CONFIG_VDE)
84 #include <libvdeplug.h>
92 #if defined(__APPLE__) || defined(main)
94 int qemu_main(int argc
, char **argv
, char **envp
);
95 int main(int argc
, char **argv
)
97 return qemu_main(argc
, argv
, NULL
);
100 #define main qemu_main
102 #endif /* CONFIG_SDL */
106 #define main qemu_main
107 #endif /* CONFIG_COCOA */
112 #include "hw/boards.h"
114 #include "hw/pcmcia.h"
119 #include "hw/watchdog.h"
120 #include "hw/smbios.h"
123 #include "hw/loader.h"
126 #include "net/slirp.h"
131 #include "qemu-timer.h"
132 #include "qemu-char.h"
133 #include "cache-utils.h"
134 #include "blockdev.h"
135 #include "hw/block-common.h"
136 #include "block-migration.h"
138 #include "audio/audio.h"
139 #include "migration.h"
142 #include "qemu-option.h"
143 #include "qemu-config.h"
144 #include "qemu-options.h"
145 #include "qmp-commands.h"
146 #include "main-loop.h"
148 #include "fsdev/qemu-fsdev.h"
154 #include "qemu_socket.h"
156 #include "slirp/libslirp.h"
159 #include "trace/control.h"
160 #include "qemu-queue.h"
162 #include "arch_init.h"
165 #include "ui/qemu-spice.h"
168 //#define DEBUG_SLIRP
170 #define DEFAULT_RAM_SIZE 128
172 #define MAX_VIRTIO_CONSOLES 1
174 static const char *data_dir
;
175 const char *bios_name
= NULL
;
176 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
177 DisplayType display_type
= DT_DEFAULT
;
178 int display_remote
= 0;
179 const char* keyboard_layout
= NULL
;
181 const char *mem_path
= NULL
;
183 int mem_prealloc
= 0; /* force preallocation of physical target memory */
186 NICInfo nd_table
[MAX_NICS
];
188 static int rtc_utc
= 1;
189 static int rtc_date_offset
= -1; /* -1 means no change */
190 QEMUClock
*rtc_clock
;
191 int vga_interface_type
= VGA_NONE
;
192 static int full_screen
= 0;
194 static int no_frame
= 0;
197 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
198 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
199 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
200 int win2k_install_hack
= 0;
208 const char *vnc_display
;
210 int acpi_enabled
= 1;
216 int graphic_rotate
= 0;
217 const char *watchdog
;
218 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
220 int semihosting_enabled
= 0;
222 const char *qemu_name
;
225 unsigned int nb_prom_envs
= 0;
226 const char *prom_envs
[MAX_PROM_ENVS
];
228 uint8_t *boot_splash_filedata
;
229 int boot_splash_filedata_size
;
230 uint8_t qemu_extra_params_fw
[2];
232 typedef struct FWBootEntry FWBootEntry
;
235 QTAILQ_ENTRY(FWBootEntry
) link
;
241 QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
= QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
244 uint64_t node_mem
[MAX_NODES
];
245 unsigned long *node_cpumask
[MAX_NODES
];
247 uint8_t qemu_uuid
[16];
249 static QEMUBootSetHandler
*boot_set_handler
;
250 static void *boot_set_opaque
;
252 static NotifierList exit_notifiers
=
253 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
255 static NotifierList machine_init_done_notifiers
=
256 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
258 static int tcg_allowed
= 1;
262 enum xen_mode xen_mode
= XEN_EMULATE
;
263 static int tcg_tb_size
;
265 static int default_serial
= 1;
266 static int default_parallel
= 1;
267 static int default_virtcon
= 1;
268 static int default_monitor
= 1;
269 static int default_floppy
= 1;
270 static int default_cdrom
= 1;
271 static int default_sdcard
= 1;
272 static int default_vga
= 1;
278 { .driver
= "isa-serial", .flag
= &default_serial
},
279 { .driver
= "isa-parallel", .flag
= &default_parallel
},
280 { .driver
= "isa-fdc", .flag
= &default_floppy
},
281 { .driver
= "ide-cd", .flag
= &default_cdrom
},
282 { .driver
= "ide-hd", .flag
= &default_cdrom
},
283 { .driver
= "ide-drive", .flag
= &default_cdrom
},
284 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
285 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
286 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
287 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
288 { .driver
= "VGA", .flag
= &default_vga
},
289 { .driver
= "isa-vga", .flag
= &default_vga
},
290 { .driver
= "cirrus-vga", .flag
= &default_vga
},
291 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
292 { .driver
= "vmware-svga", .flag
= &default_vga
},
293 { .driver
= "qxl-vga", .flag
= &default_vga
},
296 const char *qemu_get_vm_name(void)
301 static void res_free(void)
303 if (boot_splash_filedata
!= NULL
) {
304 g_free(boot_splash_filedata
);
305 boot_splash_filedata
= NULL
;
309 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
311 const char *driver
= qemu_opt_get(opts
, "driver");
316 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
317 if (strcmp(default_list
[i
].driver
, driver
) != 0)
319 *(default_list
[i
].flag
) = 0;
324 /***********************************************************/
327 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
332 } RunStateTransition
;
334 static const RunStateTransition runstate_transitions_def
[] = {
336 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
338 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
339 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
341 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
342 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
344 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
345 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
347 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
348 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
350 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
351 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
353 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
354 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
355 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
357 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
358 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
360 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
362 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
363 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
364 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
365 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
366 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
367 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
368 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
369 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
370 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
372 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
374 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
375 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
377 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
378 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
379 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
380 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
382 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
383 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
385 { RUN_STATE_MAX
, RUN_STATE_MAX
},
388 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
390 bool runstate_check(RunState state
)
392 return current_run_state
== state
;
395 void runstate_init(void)
397 const RunStateTransition
*p
;
399 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
401 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
402 runstate_valid_transitions
[p
->from
][p
->to
] = true;
406 /* This function will abort() on invalid state transitions */
407 void runstate_set(RunState new_state
)
409 assert(new_state
< RUN_STATE_MAX
);
411 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
412 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
413 RunState_lookup
[current_run_state
],
414 RunState_lookup
[new_state
]);
418 current_run_state
= new_state
;
421 int runstate_is_running(void)
423 return runstate_check(RUN_STATE_RUNNING
);
426 StatusInfo
*qmp_query_status(Error
**errp
)
428 StatusInfo
*info
= g_malloc0(sizeof(*info
));
430 info
->running
= runstate_is_running();
431 info
->singlestep
= singlestep
;
432 info
->status
= current_run_state
;
437 /***********************************************************/
438 /* real time host monotonic timer */
440 /***********************************************************/
441 /* host time/date access */
442 void qemu_get_timedate(struct tm
*tm
, int offset
)
449 if (rtc_date_offset
== -1) {
453 ret
= localtime(&ti
);
455 ti
-= rtc_date_offset
;
459 memcpy(tm
, ret
, sizeof(struct tm
));
462 int qemu_timedate_diff(struct tm
*tm
)
466 if (rtc_date_offset
== -1)
468 seconds
= mktimegm(tm
);
471 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
472 seconds
= mktime(&tmp
);
475 seconds
= mktimegm(tm
) + rtc_date_offset
;
477 return seconds
- time(NULL
);
480 void rtc_change_mon_event(struct tm
*tm
)
484 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
485 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
486 qobject_decref(data
);
489 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
491 time_t rtc_start_date
;
494 if (!strcmp(startdate
, "now") && legacy
) {
495 rtc_date_offset
= -1;
497 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
505 } else if (sscanf(startdate
, "%d-%d-%d",
517 rtc_start_date
= mktimegm(&tm
);
518 if (rtc_start_date
== -1) {
520 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
521 "'2006-06-17T16:01:21' or '2006-06-17'\n");
524 rtc_date_offset
= time(NULL
) - rtc_start_date
;
528 static void configure_rtc(QemuOpts
*opts
)
532 value
= qemu_opt_get(opts
, "base");
534 if (!strcmp(value
, "utc")) {
536 } else if (!strcmp(value
, "localtime")) {
539 configure_rtc_date_offset(value
, 0);
542 value
= qemu_opt_get(opts
, "clock");
544 if (!strcmp(value
, "host")) {
545 rtc_clock
= host_clock
;
546 } else if (!strcmp(value
, "rt")) {
547 rtc_clock
= rt_clock
;
548 } else if (!strcmp(value
, "vm")) {
549 rtc_clock
= vm_clock
;
551 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
555 value
= qemu_opt_get(opts
, "driftfix");
557 if (!strcmp(value
, "slew")) {
558 static GlobalProperty slew_lost_ticks
[] = {
560 .driver
= "mc146818rtc",
561 .property
= "lost_tick_policy",
564 { /* end of list */ }
567 qdev_prop_register_global_list(slew_lost_ticks
);
568 } else if (!strcmp(value
, "none")) {
569 /* discard is default */
571 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
577 /***********************************************************/
578 /* Bluetooth support */
581 static struct HCIInfo
*hci_table
[MAX_NICS
];
583 static struct bt_vlan_s
{
584 struct bt_scatternet_s net
;
586 struct bt_vlan_s
*next
;
589 /* find or alloc a new bluetooth "VLAN" */
590 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
592 struct bt_vlan_s
**pvlan
, *vlan
;
593 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
597 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
599 pvlan
= &first_bt_vlan
;
600 while (*pvlan
!= NULL
)
601 pvlan
= &(*pvlan
)->next
;
606 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
610 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
615 static struct HCIInfo null_hci
= {
616 .cmd_send
= null_hci_send
,
617 .sco_send
= null_hci_send
,
618 .acl_send
= null_hci_send
,
619 .bdaddr_set
= null_hci_addr_set
,
622 struct HCIInfo
*qemu_next_hci(void)
624 if (cur_hci
== nb_hcis
)
627 return hci_table
[cur_hci
++];
630 static struct HCIInfo
*hci_init(const char *str
)
633 struct bt_scatternet_s
*vlan
= 0;
635 if (!strcmp(str
, "null"))
638 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
640 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
641 else if (!strncmp(str
, "hci", 3)) {
644 if (!strncmp(str
+ 3, ",vlan=", 6)) {
645 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
650 vlan
= qemu_find_bt_vlan(0);
652 return bt_new_hci(vlan
);
655 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
660 static int bt_hci_parse(const char *str
)
665 if (nb_hcis
>= MAX_NICS
) {
666 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
679 bdaddr
.b
[5] = 0x56 + nb_hcis
;
680 hci
->bdaddr_set(hci
, bdaddr
.b
);
682 hci_table
[nb_hcis
++] = hci
;
687 static void bt_vhci_add(int vlan_id
)
689 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
692 fprintf(stderr
, "qemu: warning: adding a VHCI to "
693 "an empty scatternet %i\n", vlan_id
);
695 bt_vhci_init(bt_new_hci(vlan
));
698 static struct bt_device_s
*bt_device_add(const char *opt
)
700 struct bt_scatternet_s
*vlan
;
702 char *endp
= strstr(opt
, ",vlan=");
703 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
706 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
709 vlan_id
= strtol(endp
+ 6, &endp
, 0);
711 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
716 vlan
= qemu_find_bt_vlan(vlan_id
);
719 fprintf(stderr
, "qemu: warning: adding a slave device to "
720 "an empty scatternet %i\n", vlan_id
);
722 if (!strcmp(devname
, "keyboard"))
723 return bt_keyboard_init(vlan
);
725 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
729 static int bt_parse(const char *opt
)
731 const char *endp
, *p
;
734 if (strstart(opt
, "hci", &endp
)) {
735 if (!*endp
|| *endp
== ',') {
737 if (!strstart(endp
, ",vlan=", 0))
740 return bt_hci_parse(opt
);
742 } else if (strstart(opt
, "vhci", &endp
)) {
743 if (!*endp
|| *endp
== ',') {
745 if (strstart(endp
, ",vlan=", &p
)) {
746 vlan
= strtol(p
, (char **) &endp
, 0);
748 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
752 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
761 } else if (strstart(opt
, "device:", &endp
))
762 return !bt_device_add(endp
);
764 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
768 /***********************************************************/
769 /* QEMU Block devices */
771 #define HD_OPTS "media=disk"
772 #define CDROM_OPTS "media=cdrom"
774 #define PFLASH_OPTS ""
778 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
780 int *use_scsi
= opaque
;
782 return drive_init(opts
, *use_scsi
) == NULL
;
785 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
787 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
788 qemu_opt_set(opts
, "snapshot", "on");
793 static void default_drive(int enable
, int snapshot
, int use_scsi
,
794 BlockInterfaceType type
, int index
,
799 if (type
== IF_DEFAULT
) {
800 type
= use_scsi
? IF_SCSI
: IF_IDE
;
803 if (!enable
|| drive_get_by_index(type
, index
)) {
807 opts
= drive_add(type
, index
, NULL
, optstr
);
809 drive_enable_snapshot(opts
, NULL
);
811 if (!drive_init(opts
, use_scsi
)) {
816 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
818 boot_set_handler
= func
;
819 boot_set_opaque
= opaque
;
822 int qemu_boot_set(const char *boot_devices
)
824 if (!boot_set_handler
) {
827 return boot_set_handler(boot_set_opaque
, boot_devices
);
830 static void validate_bootdevices(char *devices
)
832 /* We just do some generic consistency checks */
836 for (p
= devices
; *p
!= '\0'; p
++) {
837 /* Allowed boot devices are:
838 * a-b: floppy disk drives
839 * c-f: IDE disk drives
840 * g-m: machine implementation dependent drives
841 * n-p: network devices
842 * It's up to each machine implementation to check if the given boot
843 * devices match the actual hardware implementation and firmware
846 if (*p
< 'a' || *p
> 'p') {
847 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
850 if (bitmap
& (1 << (*p
- 'a'))) {
851 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
854 bitmap
|= 1 << (*p
- 'a');
858 static void restore_boot_devices(void *opaque
)
860 char *standard_boot_devices
= opaque
;
861 static int first
= 1;
863 /* Restore boot order and remove ourselves after the first boot */
869 qemu_boot_set(standard_boot_devices
);
871 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
872 g_free(standard_boot_devices
);
875 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
878 FWBootEntry
*node
, *i
;
884 assert(dev
!= NULL
|| suffix
!= NULL
);
886 node
= g_malloc0(sizeof(FWBootEntry
));
887 node
->bootindex
= bootindex
;
888 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
891 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
892 if (i
->bootindex
== bootindex
) {
893 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
895 } else if (i
->bootindex
< bootindex
) {
898 QTAILQ_INSERT_BEFORE(i
, node
, link
);
901 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
905 * This function returns null terminated string that consist of new line
906 * separated device paths.
908 * memory pointed by "size" is assigned total length of the array in bytes
911 char *get_boot_devices_list(uint32_t *size
)
917 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
918 char *devpath
= NULL
, *bootpath
;
922 devpath
= qdev_get_fw_dev_path(i
->dev
);
926 if (i
->suffix
&& devpath
) {
927 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
929 bootpath
= g_malloc(bootpathlen
);
930 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
932 } else if (devpath
) {
936 bootpath
= g_strdup(i
->suffix
);
940 list
[total
-1] = '\n';
942 len
= strlen(bootpath
) + 1;
943 list
= g_realloc(list
, total
+ len
);
944 memcpy(&list
[total
], bootpath
, len
);
954 static void numa_add(const char *optarg
)
958 unsigned long long value
, endvalue
;
961 value
= endvalue
= 0ULL;
963 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
964 if (!strcmp(option
, "node")) {
965 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
966 nodenr
= nb_numa_nodes
;
968 nodenr
= strtoull(option
, NULL
, 10);
971 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
972 node_mem
[nodenr
] = 0;
975 sval
= strtosz(option
, &endptr
);
976 if (sval
< 0 || *endptr
) {
977 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
980 node_mem
[nodenr
] = sval
;
982 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
983 value
= strtoull(option
, &endptr
, 10);
984 if (*endptr
== '-') {
985 endvalue
= strtoull(endptr
+1, &endptr
, 10);
990 if (!(endvalue
< MAX_CPUMASK_BITS
)) {
991 endvalue
= MAX_CPUMASK_BITS
- 1;
993 "A max of %d CPUs are supported in a guest\n",
997 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1004 static void smp_parse(const char *optarg
)
1006 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1010 smp
= strtoul(optarg
, &endptr
, 10);
1011 if (endptr
!= optarg
) {
1012 if (*endptr
== ',') {
1016 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1017 sockets
= strtoull(option
, NULL
, 10);
1018 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1019 cores
= strtoull(option
, NULL
, 10);
1020 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1021 threads
= strtoull(option
, NULL
, 10);
1022 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1023 max_cpus
= strtoull(option
, NULL
, 10);
1025 /* compute missing values, prefer sockets over cores over threads */
1026 if (smp
== 0 || sockets
== 0) {
1027 sockets
= sockets
> 0 ? sockets
: 1;
1028 cores
= cores
> 0 ? cores
: 1;
1029 threads
= threads
> 0 ? threads
: 1;
1031 smp
= cores
* threads
* sockets
;
1035 threads
= threads
> 0 ? threads
: 1;
1036 cores
= smp
/ (sockets
* threads
);
1038 threads
= smp
/ (cores
* sockets
);
1042 smp_cores
= cores
> 0 ? cores
: 1;
1043 smp_threads
= threads
> 0 ? threads
: 1;
1045 max_cpus
= smp_cpus
;
1048 /***********************************************************/
1051 static int usb_device_add(const char *devname
)
1054 USBDevice
*dev
= NULL
;
1059 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1060 dev
= usbdevice_create(devname
);
1064 /* the other ones */
1065 #ifndef CONFIG_LINUX
1066 /* only the linux version is qdev-ified, usb-bsd still needs this */
1067 if (strstart(devname
, "host:", &p
)) {
1068 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1071 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1072 dev
= usb_bt_init(usb_bus_find(-1),
1073 devname
[2] ? hci_init(p
)
1074 : bt_new_hci(qemu_find_bt_vlan(0)));
1085 static int usb_device_del(const char *devname
)
1090 if (strstart(devname
, "host:", &p
))
1091 return usb_host_device_close(p
);
1096 p
= strchr(devname
, '.');
1099 bus_num
= strtoul(devname
, NULL
, 0);
1100 addr
= strtoul(p
+ 1, NULL
, 0);
1102 return usb_device_delete_addr(bus_num
, addr
);
1105 static int usb_parse(const char *cmdline
)
1108 r
= usb_device_add(cmdline
);
1110 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1115 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1117 const char *devname
= qdict_get_str(qdict
, "devname");
1118 if (usb_device_add(devname
) < 0) {
1119 error_report("could not add USB device '%s'", devname
);
1123 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1125 const char *devname
= qdict_get_str(qdict
, "devname");
1126 if (usb_device_del(devname
) < 0) {
1127 error_report("could not delete USB device '%s'", devname
);
1131 /***********************************************************/
1132 /* PCMCIA/Cardbus */
1134 static struct pcmcia_socket_entry_s
{
1135 PCMCIASocket
*socket
;
1136 struct pcmcia_socket_entry_s
*next
;
1137 } *pcmcia_sockets
= 0;
1139 void pcmcia_socket_register(PCMCIASocket
*socket
)
1141 struct pcmcia_socket_entry_s
*entry
;
1143 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1144 entry
->socket
= socket
;
1145 entry
->next
= pcmcia_sockets
;
1146 pcmcia_sockets
= entry
;
1149 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1151 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1153 ptr
= &pcmcia_sockets
;
1154 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1155 if (entry
->socket
== socket
) {
1161 void pcmcia_info(Monitor
*mon
)
1163 struct pcmcia_socket_entry_s
*iter
;
1165 if (!pcmcia_sockets
)
1166 monitor_printf(mon
, "No PCMCIA sockets\n");
1168 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1169 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1170 iter
->socket
->attached
? iter
->socket
->card_string
:
1174 /***********************************************************/
1175 /* machine registration */
1177 static QEMUMachine
*first_machine
= NULL
;
1178 QEMUMachine
*current_machine
= NULL
;
1180 int qemu_register_machine(QEMUMachine
*m
)
1183 pm
= &first_machine
;
1191 static QEMUMachine
*find_machine(const char *name
)
1195 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1196 if (!strcmp(m
->name
, name
))
1198 if (m
->alias
&& !strcmp(m
->alias
, name
))
1204 QEMUMachine
*find_default_machine(void)
1208 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1209 if (m
->is_default
) {
1216 /***********************************************************/
1217 /* main execution loop */
1219 static void gui_update(void *opaque
)
1221 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1222 DisplayState
*ds
= opaque
;
1223 DisplayChangeListener
*dcl
= ds
->listeners
;
1227 while (dcl
!= NULL
) {
1228 if (dcl
->gui_timer_interval
&&
1229 dcl
->gui_timer_interval
< interval
)
1230 interval
= dcl
->gui_timer_interval
;
1233 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1236 struct vm_change_state_entry
{
1237 VMChangeStateHandler
*cb
;
1239 QLIST_ENTRY (vm_change_state_entry
) entries
;
1242 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1244 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1247 VMChangeStateEntry
*e
;
1249 e
= g_malloc0(sizeof (*e
));
1253 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1257 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1259 QLIST_REMOVE (e
, entries
);
1263 void vm_state_notify(int running
, RunState state
)
1265 VMChangeStateEntry
*e
;
1267 trace_vm_state_notify(running
, state
);
1269 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1270 e
->cb(e
->opaque
, running
, state
);
1276 if (!runstate_is_running()) {
1278 runstate_set(RUN_STATE_RUNNING
);
1279 vm_state_notify(1, RUN_STATE_RUNNING
);
1281 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1285 /* reset/shutdown handler */
1287 typedef struct QEMUResetEntry
{
1288 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1289 QEMUResetHandler
*func
;
1293 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1294 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1295 static int reset_requested
;
1296 static int shutdown_requested
, shutdown_signal
= -1;
1297 static pid_t shutdown_pid
;
1298 static int powerdown_requested
;
1299 static int debug_requested
;
1300 static int suspend_requested
;
1301 static NotifierList suspend_notifiers
=
1302 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1303 static NotifierList wakeup_notifiers
=
1304 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1305 static uint32_t wakeup_reason_mask
= ~0;
1306 static RunState vmstop_requested
= RUN_STATE_MAX
;
1308 int qemu_shutdown_requested_get(void)
1310 return shutdown_requested
;
1313 int qemu_reset_requested_get(void)
1315 return reset_requested
;
1318 int qemu_shutdown_requested(void)
1320 int r
= shutdown_requested
;
1321 shutdown_requested
= 0;
1325 void qemu_kill_report(void)
1327 if (!qtest_enabled() && shutdown_signal
!= -1) {
1328 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1329 if (shutdown_pid
== 0) {
1330 /* This happens for eg ^C at the terminal, so it's worth
1331 * avoiding printing an odd message in that case.
1333 fputc('\n', stderr
);
1335 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1337 shutdown_signal
= -1;
1341 int qemu_reset_requested(void)
1343 int r
= reset_requested
;
1344 reset_requested
= 0;
1348 static int qemu_suspend_requested(void)
1350 int r
= suspend_requested
;
1351 suspend_requested
= 0;
1355 int qemu_powerdown_requested(void)
1357 int r
= powerdown_requested
;
1358 powerdown_requested
= 0;
1362 static int qemu_debug_requested(void)
1364 int r
= debug_requested
;
1365 debug_requested
= 0;
1369 /* We use RUN_STATE_MAX but any invalid value will do */
1370 static bool qemu_vmstop_requested(RunState
*r
)
1372 if (vmstop_requested
< RUN_STATE_MAX
) {
1373 *r
= vmstop_requested
;
1374 vmstop_requested
= RUN_STATE_MAX
;
1381 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1383 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1386 re
->opaque
= opaque
;
1387 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1390 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1394 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1395 if (re
->func
== func
&& re
->opaque
== opaque
) {
1396 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1403 void qemu_system_reset(bool report
)
1405 QEMUResetEntry
*re
, *nre
;
1407 /* reset all devices */
1408 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1409 re
->func(re
->opaque
);
1412 monitor_protocol_event(QEVENT_RESET
, NULL
);
1414 cpu_synchronize_all_post_reset();
1417 void qemu_system_reset_request(void)
1420 shutdown_requested
= 1;
1422 reset_requested
= 1;
1425 qemu_notify_event();
1428 static void qemu_system_suspend(void)
1431 notifier_list_notify(&suspend_notifiers
, NULL
);
1432 runstate_set(RUN_STATE_SUSPENDED
);
1433 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1436 void qemu_system_suspend_request(void)
1438 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1441 suspend_requested
= 1;
1443 qemu_notify_event();
1446 void qemu_register_suspend_notifier(Notifier
*notifier
)
1448 notifier_list_add(&suspend_notifiers
, notifier
);
1451 void qemu_system_wakeup_request(WakeupReason reason
)
1453 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1456 if (!(wakeup_reason_mask
& (1 << reason
))) {
1459 runstate_set(RUN_STATE_RUNNING
);
1460 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1461 notifier_list_notify(&wakeup_notifiers
, &reason
);
1462 reset_requested
= 1;
1463 qemu_notify_event();
1466 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1469 wakeup_reason_mask
|= (1 << reason
);
1471 wakeup_reason_mask
&= ~(1 << reason
);
1475 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1477 notifier_list_add(&wakeup_notifiers
, notifier
);
1480 void qemu_system_killed(int signal
, pid_t pid
)
1482 shutdown_signal
= signal
;
1485 qemu_system_shutdown_request();
1488 void qemu_system_shutdown_request(void)
1490 shutdown_requested
= 1;
1491 qemu_notify_event();
1494 void qemu_system_powerdown_request(void)
1496 powerdown_requested
= 1;
1497 qemu_notify_event();
1500 void qemu_system_debug_request(void)
1502 debug_requested
= 1;
1503 qemu_notify_event();
1506 void qemu_system_vmstop_request(RunState state
)
1508 vmstop_requested
= state
;
1509 qemu_notify_event();
1512 qemu_irq qemu_system_powerdown
;
1514 static bool main_loop_should_exit(void)
1517 if (qemu_debug_requested()) {
1518 vm_stop(RUN_STATE_DEBUG
);
1520 if (qemu_suspend_requested()) {
1521 qemu_system_suspend();
1523 if (qemu_shutdown_requested()) {
1525 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1527 vm_stop(RUN_STATE_SHUTDOWN
);
1532 if (qemu_reset_requested()) {
1534 cpu_synchronize_all_states();
1535 qemu_system_reset(VMRESET_REPORT
);
1537 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1538 runstate_check(RUN_STATE_SHUTDOWN
)) {
1539 runstate_set(RUN_STATE_PAUSED
);
1542 if (qemu_powerdown_requested()) {
1543 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1544 qemu_irq_raise(qemu_system_powerdown
);
1546 if (qemu_vmstop_requested(&r
)) {
1552 static void main_loop(void)
1556 #ifdef CONFIG_PROFILER
1560 nonblocking
= !kvm_enabled() && last_io
> 0;
1561 #ifdef CONFIG_PROFILER
1562 ti
= profile_getclock();
1564 last_io
= main_loop_wait(nonblocking
);
1565 #ifdef CONFIG_PROFILER
1566 dev_time
+= profile_getclock() - ti
;
1568 } while (!main_loop_should_exit());
1571 static void version(void)
1573 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1576 static void help(int exitcode
)
1579 printf("usage: %s [options] [disk_image]\n\n"
1580 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1581 error_get_progname());
1583 #define QEMU_OPTIONS_GENERATE_HELP
1584 #include "qemu-options-wrapper.h"
1586 printf("\nDuring emulation, the following keys are useful:\n"
1587 "ctrl-alt-f toggle full screen\n"
1588 "ctrl-alt-n switch to virtual console 'n'\n"
1589 "ctrl-alt toggle mouse and keyboard grab\n"
1591 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1596 #define HAS_ARG 0x0001
1598 typedef struct QEMUOption
{
1605 static const QEMUOption qemu_options
[] = {
1606 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1607 #define QEMU_OPTIONS_GENERATE_OPTIONS
1608 #include "qemu-options-wrapper.h"
1612 static bool vga_available(void)
1614 return qdev_exists("VGA") || qdev_exists("isa-vga");
1617 static bool cirrus_vga_available(void)
1619 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1622 static bool vmware_vga_available(void)
1624 return qdev_exists("vmware-svga");
1627 static void select_vgahw (const char *p
)
1631 vga_interface_type
= VGA_NONE
;
1632 if (strstart(p
, "std", &opts
)) {
1633 if (vga_available()) {
1634 vga_interface_type
= VGA_STD
;
1636 fprintf(stderr
, "Error: standard VGA not available\n");
1639 } else if (strstart(p
, "cirrus", &opts
)) {
1640 if (cirrus_vga_available()) {
1641 vga_interface_type
= VGA_CIRRUS
;
1643 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1646 } else if (strstart(p
, "vmware", &opts
)) {
1647 if (vmware_vga_available()) {
1648 vga_interface_type
= VGA_VMWARE
;
1650 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1653 } else if (strstart(p
, "xenfb", &opts
)) {
1654 vga_interface_type
= VGA_XENFB
;
1655 } else if (strstart(p
, "qxl", &opts
)) {
1656 vga_interface_type
= VGA_QXL
;
1657 } else if (!strstart(p
, "none", &opts
)) {
1659 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1663 const char *nextopt
;
1665 if (strstart(opts
, ",retrace=", &nextopt
)) {
1667 if (strstart(opts
, "dumb", &nextopt
))
1668 vga_retrace_method
= VGA_RETRACE_DUMB
;
1669 else if (strstart(opts
, "precise", &nextopt
))
1670 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1671 else goto invalid_vga
;
1672 } else goto invalid_vga
;
1677 static DisplayType
select_display(const char *p
)
1680 DisplayType display
= DT_DEFAULT
;
1682 if (strstart(p
, "sdl", &opts
)) {
1686 const char *nextopt
;
1688 if (strstart(opts
, ",frame=", &nextopt
)) {
1690 if (strstart(opts
, "on", &nextopt
)) {
1692 } else if (strstart(opts
, "off", &nextopt
)) {
1695 goto invalid_sdl_args
;
1697 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1699 if (strstart(opts
, "on", &nextopt
)) {
1701 } else if (strstart(opts
, "off", &nextopt
)) {
1704 goto invalid_sdl_args
;
1706 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1708 if (strstart(opts
, "on", &nextopt
)) {
1710 } else if (strstart(opts
, "off", &nextopt
)) {
1713 goto invalid_sdl_args
;
1715 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1717 if (strstart(opts
, "on", &nextopt
)) {
1719 } else if (strstart(opts
, "off", &nextopt
)) {
1722 goto invalid_sdl_args
;
1726 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1732 fprintf(stderr
, "SDL support is disabled\n");
1735 } else if (strstart(p
, "vnc", &opts
)) {
1740 const char *nextopt
;
1742 if (strstart(opts
, "=", &nextopt
)) {
1743 vnc_display
= nextopt
;
1747 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1751 fprintf(stderr
, "VNC support is disabled\n");
1754 } else if (strstart(p
, "curses", &opts
)) {
1755 #ifdef CONFIG_CURSES
1756 display
= DT_CURSES
;
1758 fprintf(stderr
, "Curses support is disabled\n");
1761 } else if (strstart(p
, "none", &opts
)) {
1764 fprintf(stderr
, "Unknown display type: %s\n", p
);
1771 static int balloon_parse(const char *arg
)
1775 if (strcmp(arg
, "none") == 0) {
1779 if (!strncmp(arg
, "virtio", 6)) {
1780 if (arg
[6] == ',') {
1781 /* have params -> parse them */
1782 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
1786 /* create empty opts */
1787 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0, NULL
);
1789 qemu_opt_set(opts
, "driver", "virtio-balloon");
1796 char *qemu_find_file(int type
, const char *name
)
1802 /* Try the name as a straight path first */
1803 if (access(name
, R_OK
) == 0) {
1804 return g_strdup(name
);
1807 case QEMU_FILE_TYPE_BIOS
:
1810 case QEMU_FILE_TYPE_KEYMAP
:
1811 subdir
= "keymaps/";
1816 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
1817 buf
= g_malloc0(len
);
1818 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
1819 if (access(buf
, R_OK
)) {
1826 static int device_help_func(QemuOpts
*opts
, void *opaque
)
1828 return qdev_device_help(opts
);
1831 static int device_init_func(QemuOpts
*opts
, void *opaque
)
1835 dev
= qdev_device_add(opts
);
1841 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
1843 CharDriverState
*chr
;
1845 chr
= qemu_chr_new_from_opts(opts
, NULL
);
1851 #ifdef CONFIG_VIRTFS
1852 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
1855 ret
= qemu_fsdev_add(opts
);
1861 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
1863 CharDriverState
*chr
;
1864 const char *chardev
;
1868 mode
= qemu_opt_get(opts
, "mode");
1872 if (strcmp(mode
, "readline") == 0) {
1873 flags
= MONITOR_USE_READLINE
;
1874 } else if (strcmp(mode
, "control") == 0) {
1875 flags
= MONITOR_USE_CONTROL
;
1877 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
1881 if (qemu_opt_get_bool(opts
, "pretty", 0))
1882 flags
|= MONITOR_USE_PRETTY
;
1884 if (qemu_opt_get_bool(opts
, "default", 0))
1885 flags
|= MONITOR_IS_DEFAULT
;
1887 chardev
= qemu_opt_get(opts
, "chardev");
1888 chr
= qemu_chr_find(chardev
);
1890 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
1894 monitor_init(chr
, flags
);
1898 static void monitor_parse(const char *optarg
, const char *mode
)
1900 static int monitor_device_index
= 0;
1906 if (strstart(optarg
, "chardev:", &p
)) {
1907 snprintf(label
, sizeof(label
), "%s", p
);
1909 snprintf(label
, sizeof(label
), "compat_monitor%d",
1910 monitor_device_index
);
1911 if (monitor_device_index
== 0) {
1914 opts
= qemu_chr_parse_compat(label
, optarg
);
1916 fprintf(stderr
, "parse error: %s\n", optarg
);
1921 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
1923 fprintf(stderr
, "duplicate chardev: %s\n", label
);
1926 qemu_opt_set(opts
, "mode", mode
);
1927 qemu_opt_set(opts
, "chardev", label
);
1929 qemu_opt_set(opts
, "default", "on");
1930 monitor_device_index
++;
1933 struct device_config
{
1935 DEV_USB
, /* -usbdevice */
1937 DEV_SERIAL
, /* -serial */
1938 DEV_PARALLEL
, /* -parallel */
1939 DEV_VIRTCON
, /* -virtioconsole */
1940 DEV_DEBUGCON
, /* -debugcon */
1941 DEV_GDB
, /* -gdb, -s */
1943 const char *cmdline
;
1945 QTAILQ_ENTRY(device_config
) next
;
1947 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
1949 static void add_device_config(int type
, const char *cmdline
)
1951 struct device_config
*conf
;
1953 conf
= g_malloc0(sizeof(*conf
));
1955 conf
->cmdline
= cmdline
;
1956 loc_save(&conf
->loc
);
1957 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1960 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1962 struct device_config
*conf
;
1965 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1966 if (conf
->type
!= type
)
1968 loc_push_restore(&conf
->loc
);
1969 rc
= func(conf
->cmdline
);
1970 loc_pop(&conf
->loc
);
1977 static int serial_parse(const char *devname
)
1979 static int index
= 0;
1982 if (strcmp(devname
, "none") == 0)
1984 if (index
== MAX_SERIAL_PORTS
) {
1985 fprintf(stderr
, "qemu: too many serial ports\n");
1988 snprintf(label
, sizeof(label
), "serial%d", index
);
1989 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1990 if (!serial_hds
[index
]) {
1991 fprintf(stderr
, "qemu: could not connect serial device"
1992 " to character backend '%s'\n", devname
);
1999 static int parallel_parse(const char *devname
)
2001 static int index
= 0;
2004 if (strcmp(devname
, "none") == 0)
2006 if (index
== MAX_PARALLEL_PORTS
) {
2007 fprintf(stderr
, "qemu: too many parallel ports\n");
2010 snprintf(label
, sizeof(label
), "parallel%d", index
);
2011 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2012 if (!parallel_hds
[index
]) {
2013 fprintf(stderr
, "qemu: could not connect parallel device"
2014 " to character backend '%s'\n", devname
);
2021 static int virtcon_parse(const char *devname
)
2023 QemuOptsList
*device
= qemu_find_opts("device");
2024 static int index
= 0;
2026 QemuOpts
*bus_opts
, *dev_opts
;
2028 if (strcmp(devname
, "none") == 0)
2030 if (index
== MAX_VIRTIO_CONSOLES
) {
2031 fprintf(stderr
, "qemu: too many virtio consoles\n");
2035 bus_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2036 if (arch_type
== QEMU_ARCH_S390X
) {
2037 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2039 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2042 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2043 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2045 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2046 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2047 if (!virtcon_hds
[index
]) {
2048 fprintf(stderr
, "qemu: could not connect virtio console"
2049 " to character backend '%s'\n", devname
);
2052 qemu_opt_set(dev_opts
, "chardev", label
);
2058 static int debugcon_parse(const char *devname
)
2062 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2065 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2067 fprintf(stderr
, "qemu: already have a debugcon device\n");
2070 qemu_opt_set(opts
, "driver", "isa-debugcon");
2071 qemu_opt_set(opts
, "chardev", "debugcon");
2075 static QEMUMachine
*machine_parse(const char *name
)
2077 QEMUMachine
*m
, *machine
= NULL
;
2080 machine
= find_machine(name
);
2085 printf("Supported machines are:\n");
2086 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2088 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2090 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2091 m
->is_default
? " (default)" : "");
2093 exit(!name
|| !is_help_option(name
));
2096 static int tcg_init(void)
2098 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2103 const char *opt_name
;
2105 int (*available
)(void);
2109 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2110 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2111 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2112 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2115 static int configure_accelerator(void)
2117 const char *p
= NULL
;
2120 bool accel_initialised
= 0;
2121 bool init_failed
= 0;
2123 QemuOptsList
*list
= qemu_find_opts("machine");
2124 if (!QTAILQ_EMPTY(&list
->head
)) {
2125 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2129 /* Use the default "accelerator", tcg */
2133 while (!accel_initialised
&& *p
!= '\0') {
2137 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2138 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2139 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2140 *(accel_list
[i
].allowed
) = 1;
2141 ret
= accel_list
[i
].init();
2144 if (!accel_list
[i
].available()) {
2145 printf("%s not supported for this target\n",
2146 accel_list
[i
].name
);
2148 fprintf(stderr
, "failed to initialize %s: %s\n",
2152 *(accel_list
[i
].allowed
) = 0;
2154 accel_initialised
= 1;
2159 if (i
== ARRAY_SIZE(accel_list
)) {
2160 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2164 if (!accel_initialised
) {
2165 fprintf(stderr
, "No accelerator found!\n");
2170 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2173 return !accel_initialised
;
2176 void qemu_add_exit_notifier(Notifier
*notify
)
2178 notifier_list_add(&exit_notifiers
, notify
);
2181 void qemu_remove_exit_notifier(Notifier
*notify
)
2183 notifier_remove(notify
);
2186 static void qemu_run_exit_notifiers(void)
2188 notifier_list_notify(&exit_notifiers
, NULL
);
2191 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2193 notifier_list_add(&machine_init_done_notifiers
, notify
);
2196 static void qemu_run_machine_init_done_notifiers(void)
2198 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2201 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2202 const char **poptarg
, int *poptind
)
2204 const QEMUOption
*popt
;
2205 int optind
= *poptind
;
2206 char *r
= argv
[optind
];
2209 loc_set_cmdline(argv
, optind
, 1);
2211 /* Treat --foo the same as -foo. */
2214 popt
= qemu_options
;
2217 error_report("invalid option");
2220 if (!strcmp(popt
->name
, r
+ 1))
2224 if (popt
->flags
& HAS_ARG
) {
2225 if (optind
>= argc
) {
2226 error_report("requires an argument");
2229 optarg
= argv
[optind
++];
2230 loc_set_cmdline(argv
, optind
- 2, 2);
2241 static gpointer
malloc_and_trace(gsize n_bytes
)
2243 void *ptr
= malloc(n_bytes
);
2244 trace_g_malloc(n_bytes
, ptr
);
2248 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2250 void *ptr
= realloc(mem
, n_bytes
);
2251 trace_g_realloc(mem
, n_bytes
, ptr
);
2255 static void free_and_trace(gpointer mem
)
2261 int qemu_init_main_loop(void)
2263 return main_loop_init();
2266 int main(int argc
, char **argv
, char **envp
)
2269 int snapshot
, linux_boot
;
2270 const char *icount_option
= NULL
;
2271 const char *initrd_filename
;
2272 const char *kernel_filename
, *kernel_cmdline
;
2273 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2275 DisplayChangeListener
*dcl
;
2276 int cyls
, heads
, secs
, translation
;
2277 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2278 QemuOptsList
*olist
;
2281 const char *loadvm
= NULL
;
2282 QEMUMachine
*machine
;
2283 const char *cpu_model
;
2284 const char *vga_model
= "none";
2285 const char *pid_file
= NULL
;
2286 const char *incoming
= NULL
;
2288 int show_vnc_port
= 0;
2290 bool defconfig
= true;
2291 bool userconfig
= true;
2292 const char *log_mask
= NULL
;
2293 const char *log_file
= NULL
;
2294 GMemVTable mem_trace
= {
2295 .malloc
= malloc_and_trace
,
2296 .realloc
= realloc_and_trace
,
2297 .free
= free_and_trace
,
2299 const char *trace_events
= NULL
;
2300 const char *trace_file
= NULL
;
2302 atexit(qemu_run_exit_notifiers
);
2303 error_set_progname(argv
[0]);
2305 g_mem_set_vtable(&mem_trace
);
2306 if (!g_thread_supported()) {
2307 #if !GLIB_CHECK_VERSION(2, 31, 0)
2308 g_thread_init(NULL
);
2310 fprintf(stderr
, "glib threading failed to initialize.\n");
2315 module_call_init(MODULE_INIT_QOM
);
2320 rtc_clock
= host_clock
;
2322 qemu_cache_utils_init(envp
);
2324 QLIST_INIT (&vm_change_state_head
);
2325 os_setup_early_signal_handling();
2327 module_call_init(MODULE_INIT_MACHINE
);
2328 machine
= find_default_machine();
2332 cyls
= heads
= secs
= 0;
2333 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2335 for (i
= 0; i
< MAX_NODES
; i
++) {
2337 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2345 /* first pass of option parsing */
2347 while (optind
< argc
) {
2348 if (argv
[optind
][0] != '-') {
2353 const QEMUOption
*popt
;
2355 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2356 switch (popt
->index
) {
2357 case QEMU_OPTION_nodefconfig
:
2360 case QEMU_OPTION_nouserconfig
:
2369 ret
= qemu_read_default_config_files(userconfig
);
2375 /* second pass of option parsing */
2380 if (argv
[optind
][0] != '-') {
2381 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2383 const QEMUOption
*popt
;
2385 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2386 if (!(popt
->arch_mask
& arch_type
)) {
2387 printf("Option %s not supported for this target\n", popt
->name
);
2390 switch(popt
->index
) {
2392 machine
= machine_parse(optarg
);
2394 case QEMU_OPTION_cpu
:
2395 /* hw initialization will check this */
2398 case QEMU_OPTION_hda
:
2402 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2404 snprintf(buf
, sizeof(buf
),
2405 "%s,cyls=%d,heads=%d,secs=%d%s",
2406 HD_OPTS
, cyls
, heads
, secs
,
2407 translation
== BIOS_ATA_TRANSLATION_LBA
?
2409 translation
== BIOS_ATA_TRANSLATION_NONE
?
2410 ",trans=none" : "");
2411 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2414 case QEMU_OPTION_hdb
:
2415 case QEMU_OPTION_hdc
:
2416 case QEMU_OPTION_hdd
:
2417 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2420 case QEMU_OPTION_drive
:
2421 if (drive_def(optarg
) == NULL
) {
2425 case QEMU_OPTION_set
:
2426 if (qemu_set_option(optarg
) != 0)
2429 case QEMU_OPTION_global
:
2430 if (qemu_global_option(optarg
) != 0)
2433 case QEMU_OPTION_mtdblock
:
2434 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2436 case QEMU_OPTION_sd
:
2437 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2439 case QEMU_OPTION_pflash
:
2440 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2442 case QEMU_OPTION_snapshot
:
2445 case QEMU_OPTION_hdachs
:
2449 cyls
= strtol(p
, (char **)&p
, 0);
2450 if (cyls
< 1 || cyls
> 16383)
2455 heads
= strtol(p
, (char **)&p
, 0);
2456 if (heads
< 1 || heads
> 16)
2461 secs
= strtol(p
, (char **)&p
, 0);
2462 if (secs
< 1 || secs
> 63)
2466 if (!strcmp(p
, "none"))
2467 translation
= BIOS_ATA_TRANSLATION_NONE
;
2468 else if (!strcmp(p
, "lba"))
2469 translation
= BIOS_ATA_TRANSLATION_LBA
;
2470 else if (!strcmp(p
, "auto"))
2471 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2474 } else if (*p
!= '\0') {
2476 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2479 if (hda_opts
!= NULL
) {
2481 snprintf(num
, sizeof(num
), "%d", cyls
);
2482 qemu_opt_set(hda_opts
, "cyls", num
);
2483 snprintf(num
, sizeof(num
), "%d", heads
);
2484 qemu_opt_set(hda_opts
, "heads", num
);
2485 snprintf(num
, sizeof(num
), "%d", secs
);
2486 qemu_opt_set(hda_opts
, "secs", num
);
2487 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2488 qemu_opt_set(hda_opts
, "trans", "lba");
2489 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2490 qemu_opt_set(hda_opts
, "trans", "none");
2494 case QEMU_OPTION_numa
:
2495 if (nb_numa_nodes
>= MAX_NODES
) {
2496 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2501 case QEMU_OPTION_display
:
2502 display_type
= select_display(optarg
);
2504 case QEMU_OPTION_nographic
:
2505 display_type
= DT_NOGRAPHIC
;
2507 case QEMU_OPTION_curses
:
2508 #ifdef CONFIG_CURSES
2509 display_type
= DT_CURSES
;
2511 fprintf(stderr
, "Curses support is disabled\n");
2515 case QEMU_OPTION_portrait
:
2516 graphic_rotate
= 90;
2518 case QEMU_OPTION_rotate
:
2519 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2520 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2521 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2523 "qemu: only 90, 180, 270 deg rotation is available\n");
2527 case QEMU_OPTION_kernel
:
2528 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
2530 case QEMU_OPTION_initrd
:
2531 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
2533 case QEMU_OPTION_append
:
2534 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
2536 case QEMU_OPTION_dtb
:
2537 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
2539 case QEMU_OPTION_cdrom
:
2540 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2542 case QEMU_OPTION_boot
:
2544 static const char * const params
[] = {
2545 "order", "once", "menu",
2546 "splash", "splash-time", NULL
2548 char buf
[sizeof(boot_devices
)];
2549 char *standard_boot_devices
;
2552 if (!strchr(optarg
, '=')) {
2554 pstrcpy(buf
, sizeof(buf
), optarg
);
2555 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2557 "qemu: unknown boot parameter '%s' in '%s'\n",
2563 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2564 validate_bootdevices(buf
);
2565 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2568 if (get_param_value(buf
, sizeof(buf
),
2570 validate_bootdevices(buf
);
2571 standard_boot_devices
= g_strdup(boot_devices
);
2572 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2573 qemu_register_reset(restore_boot_devices
,
2574 standard_boot_devices
);
2576 if (get_param_value(buf
, sizeof(buf
),
2578 if (!strcmp(buf
, "on")) {
2580 } else if (!strcmp(buf
, "off")) {
2584 "qemu: invalid option value '%s'\n",
2589 qemu_opts_parse(qemu_find_opts("boot-opts"),
2594 case QEMU_OPTION_fda
:
2595 case QEMU_OPTION_fdb
:
2596 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2599 case QEMU_OPTION_no_fd_bootchk
:
2602 case QEMU_OPTION_netdev
:
2603 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2607 case QEMU_OPTION_net
:
2608 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2612 #ifdef CONFIG_LIBISCSI
2613 case QEMU_OPTION_iscsi
:
2614 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
2621 case QEMU_OPTION_tftp
:
2622 legacy_tftp_prefix
= optarg
;
2624 case QEMU_OPTION_bootp
:
2625 legacy_bootp_filename
= optarg
;
2627 case QEMU_OPTION_redir
:
2628 if (net_slirp_redir(optarg
) < 0)
2632 case QEMU_OPTION_bt
:
2633 add_device_config(DEV_BT
, optarg
);
2635 case QEMU_OPTION_audio_help
:
2636 if (!(audio_available())) {
2637 printf("Option %s not supported for this target\n", popt
->name
);
2643 case QEMU_OPTION_soundhw
:
2644 if (!(audio_available())) {
2645 printf("Option %s not supported for this target\n", popt
->name
);
2648 select_soundhw (optarg
);
2653 case QEMU_OPTION_version
:
2657 case QEMU_OPTION_m
: {
2661 value
= strtosz(optarg
, &end
);
2662 if (value
< 0 || *end
) {
2663 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2667 if (value
!= (uint64_t)(ram_addr_t
)value
) {
2668 fprintf(stderr
, "qemu: ram size too large\n");
2674 case QEMU_OPTION_mempath
:
2678 case QEMU_OPTION_mem_prealloc
:
2689 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
2691 case QEMU_OPTION_gdb
:
2692 add_device_config(DEV_GDB
, optarg
);
2697 case QEMU_OPTION_bios
:
2700 case QEMU_OPTION_singlestep
:
2707 keyboard_layout
= optarg
;
2709 case QEMU_OPTION_localtime
:
2712 case QEMU_OPTION_vga
:
2721 w
= strtol(p
, (char **)&p
, 10);
2724 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2730 h
= strtol(p
, (char **)&p
, 10);
2735 depth
= strtol(p
, (char **)&p
, 10);
2736 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2737 depth
!= 24 && depth
!= 32)
2739 } else if (*p
== '\0') {
2740 depth
= graphic_depth
;
2747 graphic_depth
= depth
;
2750 case QEMU_OPTION_echr
:
2753 term_escape_char
= strtol(optarg
, &r
, 0);
2755 printf("Bad argument to echr\n");
2758 case QEMU_OPTION_monitor
:
2759 monitor_parse(optarg
, "readline");
2760 default_monitor
= 0;
2762 case QEMU_OPTION_qmp
:
2763 monitor_parse(optarg
, "control");
2764 default_monitor
= 0;
2766 case QEMU_OPTION_mon
:
2767 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2771 default_monitor
= 0;
2773 case QEMU_OPTION_chardev
:
2774 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2779 case QEMU_OPTION_fsdev
:
2780 olist
= qemu_find_opts("fsdev");
2782 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
2785 opts
= qemu_opts_parse(olist
, optarg
, 1);
2787 fprintf(stderr
, "parse error: %s\n", optarg
);
2791 case QEMU_OPTION_virtfs
: {
2794 const char *writeout
, *sock_fd
, *socket
;
2796 olist
= qemu_find_opts("virtfs");
2798 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
2801 opts
= qemu_opts_parse(olist
, optarg
, 1);
2803 fprintf(stderr
, "parse error: %s\n", optarg
);
2807 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
2808 qemu_opt_get(opts
, "mount_tag") == NULL
) {
2809 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2812 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
2813 qemu_opt_get(opts
, "mount_tag"),
2816 fprintf(stderr
, "duplicate fsdev id: %s\n",
2817 qemu_opt_get(opts
, "mount_tag"));
2821 writeout
= qemu_opt_get(opts
, "writeout");
2823 #ifdef CONFIG_SYNC_FILE_RANGE
2824 qemu_opt_set(fsdev
, "writeout", writeout
);
2826 fprintf(stderr
, "writeout=immediate not supported on "
2831 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
2832 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
2833 qemu_opt_set(fsdev
, "security_model",
2834 qemu_opt_get(opts
, "security_model"));
2835 socket
= qemu_opt_get(opts
, "socket");
2837 qemu_opt_set(fsdev
, "socket", socket
);
2839 sock_fd
= qemu_opt_get(opts
, "sock_fd");
2841 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
2844 qemu_opt_set_bool(fsdev
, "readonly",
2845 qemu_opt_get_bool(opts
, "readonly", 0));
2846 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2848 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2849 qemu_opt_set(device
, "fsdev",
2850 qemu_opt_get(opts
, "mount_tag"));
2851 qemu_opt_set(device
, "mount_tag",
2852 qemu_opt_get(opts
, "mount_tag"));
2855 case QEMU_OPTION_virtfs_synth
: {
2859 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2862 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
2865 qemu_opt_set(fsdev
, "fsdriver", "synth");
2867 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2869 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2870 qemu_opt_set(device
, "fsdev", "v_synth");
2871 qemu_opt_set(device
, "mount_tag", "v_synth");
2874 case QEMU_OPTION_serial
:
2875 add_device_config(DEV_SERIAL
, optarg
);
2877 if (strncmp(optarg
, "mon:", 4) == 0) {
2878 default_monitor
= 0;
2881 case QEMU_OPTION_watchdog
:
2884 "qemu: only one watchdog option may be given\n");
2889 case QEMU_OPTION_watchdog_action
:
2890 if (select_watchdog_action(optarg
) == -1) {
2891 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
2895 case QEMU_OPTION_virtiocon
:
2896 add_device_config(DEV_VIRTCON
, optarg
);
2897 default_virtcon
= 0;
2898 if (strncmp(optarg
, "mon:", 4) == 0) {
2899 default_monitor
= 0;
2902 case QEMU_OPTION_parallel
:
2903 add_device_config(DEV_PARALLEL
, optarg
);
2904 default_parallel
= 0;
2905 if (strncmp(optarg
, "mon:", 4) == 0) {
2906 default_monitor
= 0;
2909 case QEMU_OPTION_debugcon
:
2910 add_device_config(DEV_DEBUGCON
, optarg
);
2912 case QEMU_OPTION_loadvm
:
2915 case QEMU_OPTION_full_screen
:
2919 case QEMU_OPTION_no_frame
:
2922 case QEMU_OPTION_alt_grab
:
2925 case QEMU_OPTION_ctrl_grab
:
2928 case QEMU_OPTION_no_quit
:
2931 case QEMU_OPTION_sdl
:
2932 display_type
= DT_SDL
;
2935 case QEMU_OPTION_no_frame
:
2936 case QEMU_OPTION_alt_grab
:
2937 case QEMU_OPTION_ctrl_grab
:
2938 case QEMU_OPTION_no_quit
:
2939 case QEMU_OPTION_sdl
:
2940 fprintf(stderr
, "SDL support is disabled\n");
2943 case QEMU_OPTION_pidfile
:
2946 case QEMU_OPTION_win2k_hack
:
2947 win2k_install_hack
= 1;
2949 case QEMU_OPTION_rtc_td_hack
: {
2950 static GlobalProperty slew_lost_ticks
[] = {
2952 .driver
= "mc146818rtc",
2953 .property
= "lost_tick_policy",
2956 { /* end of list */ }
2959 qdev_prop_register_global_list(slew_lost_ticks
);
2962 case QEMU_OPTION_acpitable
:
2963 do_acpitable_option(optarg
);
2965 case QEMU_OPTION_smbios
:
2966 do_smbios_option(optarg
);
2968 case QEMU_OPTION_enable_kvm
:
2969 olist
= qemu_find_opts("machine");
2970 qemu_opts_parse(olist
, "accel=kvm", 0);
2972 case QEMU_OPTION_machine
:
2973 olist
= qemu_find_opts("machine");
2974 opts
= qemu_opts_parse(olist
, optarg
, 1);
2976 fprintf(stderr
, "parse error: %s\n", optarg
);
2979 optarg
= qemu_opt_get(opts
, "type");
2981 machine
= machine_parse(optarg
);
2984 case QEMU_OPTION_usb
:
2987 case QEMU_OPTION_usbdevice
:
2989 add_device_config(DEV_USB
, optarg
);
2991 case QEMU_OPTION_device
:
2992 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
2996 case QEMU_OPTION_smp
:
2999 fprintf(stderr
, "Invalid number of CPUs\n");
3002 if (max_cpus
< smp_cpus
) {
3003 fprintf(stderr
, "maxcpus must be equal to or greater than "
3007 if (max_cpus
> 255) {
3008 fprintf(stderr
, "Unsupported number of maxcpus\n");
3012 case QEMU_OPTION_vnc
:
3015 vnc_display
= optarg
;
3017 fprintf(stderr
, "VNC support is disabled\n");
3021 case QEMU_OPTION_no_acpi
:
3024 case QEMU_OPTION_no_hpet
:
3027 case QEMU_OPTION_balloon
:
3028 if (balloon_parse(optarg
) < 0) {
3029 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3033 case QEMU_OPTION_no_reboot
:
3036 case QEMU_OPTION_no_shutdown
:
3039 case QEMU_OPTION_show_cursor
:
3042 case QEMU_OPTION_uuid
:
3043 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3044 fprintf(stderr
, "Fail to parse UUID string."
3045 " Wrong format.\n");
3049 case QEMU_OPTION_option_rom
:
3050 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3051 fprintf(stderr
, "Too many option ROMs\n");
3054 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3055 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3056 option_rom
[nb_option_roms
].bootindex
=
3057 qemu_opt_get_number(opts
, "bootindex", -1);
3058 if (!option_rom
[nb_option_roms
].name
) {
3059 fprintf(stderr
, "Option ROM file is not specified\n");
3064 case QEMU_OPTION_semihosting
:
3065 semihosting_enabled
= 1;
3067 case QEMU_OPTION_name
:
3068 qemu_name
= g_strdup(optarg
);
3070 char *p
= strchr(qemu_name
, ',');
3073 if (strncmp(p
, "process=", 8)) {
3074 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3078 os_set_proc_name(p
);
3082 case QEMU_OPTION_prom_env
:
3083 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3084 fprintf(stderr
, "Too many prom variables\n");
3087 prom_envs
[nb_prom_envs
] = optarg
;
3090 case QEMU_OPTION_old_param
:
3093 case QEMU_OPTION_clock
:
3094 configure_alarms(optarg
);
3096 case QEMU_OPTION_startdate
:
3097 configure_rtc_date_offset(optarg
, 1);
3099 case QEMU_OPTION_rtc
:
3100 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3104 configure_rtc(opts
);
3106 case QEMU_OPTION_tb_size
:
3107 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3108 if (tcg_tb_size
< 0) {
3112 case QEMU_OPTION_icount
:
3113 icount_option
= optarg
;
3115 case QEMU_OPTION_incoming
:
3117 runstate_set(RUN_STATE_INMIGRATE
);
3119 case QEMU_OPTION_nodefaults
:
3121 default_parallel
= 0;
3122 default_virtcon
= 0;
3123 default_monitor
= 0;
3130 case QEMU_OPTION_xen_domid
:
3131 if (!(xen_available())) {
3132 printf("Option %s not supported for this target\n", popt
->name
);
3135 xen_domid
= atoi(optarg
);
3137 case QEMU_OPTION_xen_create
:
3138 if (!(xen_available())) {
3139 printf("Option %s not supported for this target\n", popt
->name
);
3142 xen_mode
= XEN_CREATE
;
3144 case QEMU_OPTION_xen_attach
:
3145 if (!(xen_available())) {
3146 printf("Option %s not supported for this target\n", popt
->name
);
3149 xen_mode
= XEN_ATTACH
;
3151 case QEMU_OPTION_trace
:
3153 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3157 trace_events
= qemu_opt_get(opts
, "events");
3158 trace_file
= qemu_opt_get(opts
, "file");
3161 case QEMU_OPTION_readconfig
:
3163 int ret
= qemu_read_config_file(optarg
);
3165 fprintf(stderr
, "read config %s: %s\n", optarg
,
3171 case QEMU_OPTION_spice
:
3172 olist
= qemu_find_opts("spice");
3174 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3177 opts
= qemu_opts_parse(olist
, optarg
, 0);
3179 fprintf(stderr
, "parse error: %s\n", optarg
);
3183 case QEMU_OPTION_writeconfig
:
3186 if (strcmp(optarg
, "-") == 0) {
3189 fp
= fopen(optarg
, "w");
3191 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3195 qemu_config_write(fp
);
3199 case QEMU_OPTION_qtest
:
3200 qtest_chrdev
= optarg
;
3202 case QEMU_OPTION_qtest_log
:
3206 os_parse_cmd_args(popt
->index
, optarg
);
3212 if (machine
== NULL
) {
3213 fprintf(stderr
, "No machine found.\n");
3217 if (machine
->hw_version
) {
3218 qemu_set_version(machine
->hw_version
);
3221 /* Init CPU def lists, based on config
3222 * - Must be called after all the qemu_read_config_file() calls
3223 * - Must be called before list_cpus()
3224 * - Must be called before machine->init()
3228 if (cpu_model
&& is_help_option(cpu_model
)) {
3229 list_cpus(stdout
, &fprintf
, cpu_model
);
3233 /* Open the logfile at this point, if necessary. We can't open the logfile
3234 * when encountering either of the logging options (-d or -D) because the
3235 * other one may be encountered later on the command line, changing the
3236 * location or level of logging.
3240 set_cpu_log_filename(log_file
);
3242 set_cpu_log(log_mask
);
3245 if (!trace_backend_init(trace_events
, trace_file
)) {
3249 /* If no data_dir is specified then try to find it relative to the
3252 data_dir
= os_find_datadir(argv
[0]);
3254 /* If all else fails use the install path specified when building. */
3256 data_dir
= CONFIG_QEMU_DATADIR
;
3260 * Default to max_cpus = smp_cpus, in case the user doesn't
3261 * specify a max_cpus value.
3264 max_cpus
= smp_cpus
;
3266 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3267 if (smp_cpus
> machine
->max_cpus
) {
3268 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3269 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3275 * Get the default machine options from the machine if it is not already
3276 * specified either by the configuration file or by the command line.
3278 if (machine
->default_machine_opts
) {
3279 qemu_opts_set_defaults(qemu_find_opts("machine"),
3280 machine
->default_machine_opts
, 0);
3283 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3284 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3286 if (machine
->no_serial
) {
3289 if (machine
->no_parallel
) {
3290 default_parallel
= 0;
3292 if (!machine
->use_virtcon
) {
3293 default_virtcon
= 0;
3295 if (machine
->no_floppy
) {
3298 if (machine
->no_cdrom
) {
3301 if (machine
->no_sdcard
) {
3305 if (display_type
== DT_NOGRAPHIC
) {
3306 if (default_parallel
)
3307 add_device_config(DEV_PARALLEL
, "null");
3308 if (default_serial
&& default_monitor
) {
3309 add_device_config(DEV_SERIAL
, "mon:stdio");
3310 } else if (default_virtcon
&& default_monitor
) {
3311 add_device_config(DEV_VIRTCON
, "mon:stdio");
3314 add_device_config(DEV_SERIAL
, "stdio");
3315 if (default_virtcon
)
3316 add_device_config(DEV_VIRTCON
, "stdio");
3317 if (default_monitor
)
3318 monitor_parse("stdio", "readline");
3322 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3323 if (default_parallel
)
3324 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3325 if (default_monitor
)
3326 monitor_parse("vc:80Cx24C", "readline");
3327 if (default_virtcon
)
3328 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3333 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3335 #ifdef CONFIG_VIRTFS
3336 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3343 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3348 /* init the memory */
3349 if (ram_size
== 0) {
3350 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3353 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
3358 configure_accelerator();
3360 qemu_init_cpu_loop();
3361 if (qemu_init_main_loop()) {
3362 fprintf(stderr
, "qemu_init_main_loop failed\n");
3366 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
3368 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
3369 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
3370 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
3372 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
3375 if (!kernel_cmdline
) {
3376 kernel_cmdline
= "";
3379 linux_boot
= (kernel_filename
!= NULL
);
3381 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3382 fprintf(stderr
, "-append only allowed with -kernel option\n");
3386 if (!linux_boot
&& initrd_filename
!= NULL
) {
3387 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3391 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
3392 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
3396 os_set_line_buffering();
3398 if (init_timer_alarm() < 0) {
3399 fprintf(stderr
, "could not initialize alarm timer\n");
3404 /* spice needs the timers to be initialized by this point */
3408 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
3409 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
3412 configure_icount(icount_option
);
3414 if (net_init_clients() < 0) {
3418 /* init the bluetooth world */
3419 if (foreach_device_config(DEV_BT
, bt_parse
))
3422 if (!xen_enabled()) {
3423 /* On 32-bit hosts, QEMU is limited by virtual address space */
3424 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
3425 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
3430 cpu_exec_init_all();
3432 bdrv_init_with_whitelist();
3436 /* open the virtual block devices */
3438 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3439 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3442 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3443 IF_DEFAULT
, 2, CDROM_OPTS
);
3444 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3445 IF_FLOPPY
, 0, FD_OPTS
);
3446 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3449 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
3451 if (nb_numa_nodes
> 0) {
3454 if (nb_numa_nodes
> MAX_NODES
) {
3455 nb_numa_nodes
= MAX_NODES
;
3458 /* If no memory size if given for any node, assume the default case
3459 * and distribute the available memory equally across all nodes
3461 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3462 if (node_mem
[i
] != 0)
3465 if (i
== nb_numa_nodes
) {
3466 uint64_t usedmem
= 0;
3468 /* On Linux, the each node's border has to be 8MB aligned,
3469 * the final node gets the rest.
3471 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3472 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3473 usedmem
+= node_mem
[i
];
3475 node_mem
[i
] = ram_size
- usedmem
;
3478 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3479 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
3483 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3484 * must cope with this anyway, because there are BIOSes out there in
3485 * real machines which also use this scheme.
3487 if (i
== nb_numa_nodes
) {
3488 for (i
= 0; i
< max_cpus
; i
++) {
3489 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
3494 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3498 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3500 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3502 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3504 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3507 /* If no default VGA is requested, the default is "none". */
3508 if (default_vga
&& cirrus_vga_available()) {
3509 vga_model
= "cirrus";
3511 select_vgahw(vga_model
);
3514 i
= select_watchdog(watchdog
);
3516 exit (i
== 1 ? 1 : 0);
3519 if (machine
->compat_props
) {
3520 qdev_prop_register_global_list(machine
->compat_props
);
3524 qdev_machine_init();
3526 machine
->init(ram_size
, boot_devices
,
3527 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
3529 cpu_synchronize_all_post_init();
3533 current_machine
= machine
;
3535 /* init USB devices */
3537 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3541 /* init generic devices */
3542 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3545 net_check_clients();
3547 /* just use the first displaystate for the moment */
3548 ds
= get_displaystate();
3552 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3553 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3554 display_type
= DT_SDL
;
3555 #elif defined(CONFIG_VNC)
3556 vnc_display
= "localhost:0,to=99";
3559 display_type
= DT_NONE
;
3564 /* init local displays */
3565 switch (display_type
) {
3568 #if defined(CONFIG_CURSES)
3570 curses_display_init(ds
, full_screen
);
3573 #if defined(CONFIG_SDL)
3575 sdl_display_init(ds
, full_screen
, no_frame
);
3577 #elif defined(CONFIG_COCOA)
3579 cocoa_display_init(ds
, full_screen
);
3586 /* must be after terminal init, SDL library changes signal handlers */
3587 os_setup_signal_handling();
3590 /* init remote displays */
3592 vnc_display_init(ds
);
3593 if (vnc_display_open(ds
, vnc_display
) < 0) {
3594 fprintf(stderr
, "Failed to start VNC server on `%s'\n",
3599 if (show_vnc_port
) {
3600 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3605 if (using_spice
&& !qxl_enabled
) {
3606 qemu_spice_display_init(ds
);
3612 dcl
= ds
->listeners
;
3613 while (dcl
!= NULL
) {
3614 if (dcl
->dpy_refresh
!= NULL
) {
3615 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
3616 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
3621 text_consoles_set_display(ds
);
3623 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
3627 qdev_machine_creation_done();
3629 if (rom_load_all() != 0) {
3630 fprintf(stderr
, "rom loading failed\n");
3634 /* TODO: once all bus devices are qdevified, this should be done
3635 * when bus is created by qdev.c */
3636 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3637 qemu_run_machine_init_done_notifiers();
3639 qemu_system_reset(VMRESET_SILENT
);
3641 if (load_vmstate(loadvm
) < 0) {
3648 int ret
= qemu_start_incoming_migration(incoming
, &errp
);
3650 if (error_is_set(&errp
)) {
3651 fprintf(stderr
, "Migrate: %s\n", error_get_pretty(errp
));
3654 fprintf(stderr
, "Migration failed. Exit code %s(%d), exiting.\n",
3658 } else if (autostart
) {