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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #include <arpa/inet.h>
49 #include <sys/select.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
84 #if defined(__OpenBSD__)
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"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
128 #include "hw/loader.h"
131 #include "net/slirp.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
140 #include "blockdev.h"
141 #include "block-migration.h"
143 #include "audio/audio.h"
144 #include "migration.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
153 #include "fsdev/qemu-fsdev.h"
158 #include "qemu_socket.h"
160 #include "slirp/libslirp.h"
163 #include "trace/control.h"
164 #include "qemu-queue.h"
166 #include "arch_init.h"
168 #include "ui/qemu-spice.h"
171 //#define DEBUG_SLIRP
173 #define DEFAULT_RAM_SIZE 128
175 #define MAX_VIRTIO_CONSOLES 1
177 static const char *data_dir
;
178 const char *bios_name
= NULL
;
179 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
180 DisplayType display_type
= DT_DEFAULT
;
181 int display_remote
= 0;
182 const char* keyboard_layout
= NULL
;
184 const char *mem_path
= NULL
;
186 int mem_prealloc
= 0; /* force preallocation of physical target memory */
189 NICInfo nd_table
[MAX_NICS
];
191 static int rtc_utc
= 1;
192 static int rtc_date_offset
= -1; /* -1 means no change */
193 QEMUClock
*rtc_clock
;
194 int vga_interface_type
= VGA_NONE
;
195 static int full_screen
= 0;
197 static int no_frame
= 0;
200 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
201 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
202 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
203 int win2k_install_hack
= 0;
212 const char *vnc_display
;
214 int acpi_enabled
= 1;
220 int graphic_rotate
= 0;
221 const char *watchdog
;
222 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
224 int semihosting_enabled
= 0;
226 const char *qemu_name
;
229 unsigned int nb_prom_envs
= 0;
230 const char *prom_envs
[MAX_PROM_ENVS
];
232 uint8_t *boot_splash_filedata
;
233 int boot_splash_filedata_size
;
234 uint8_t qemu_extra_params_fw
[2];
236 typedef struct FWBootEntry FWBootEntry
;
239 QTAILQ_ENTRY(FWBootEntry
) link
;
245 QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
= QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
248 uint64_t node_mem
[MAX_NODES
];
249 uint64_t node_cpumask
[MAX_NODES
];
251 uint8_t qemu_uuid
[16];
253 static QEMUBootSetHandler
*boot_set_handler
;
254 static void *boot_set_opaque
;
256 static NotifierList exit_notifiers
=
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
259 static NotifierList machine_init_done_notifiers
=
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
262 static int tcg_allowed
= 1;
266 enum xen_mode xen_mode
= XEN_EMULATE
;
267 static int tcg_tb_size
;
269 static int default_serial
= 1;
270 static int default_parallel
= 1;
271 static int default_virtcon
= 1;
272 static int default_monitor
= 1;
273 static int default_vga
= 1;
274 static int default_floppy
= 1;
275 static int default_cdrom
= 1;
276 static int default_sdcard
= 1;
282 { .driver
= "isa-serial", .flag
= &default_serial
},
283 { .driver
= "isa-parallel", .flag
= &default_parallel
},
284 { .driver
= "isa-fdc", .flag
= &default_floppy
},
285 { .driver
= "ide-cd", .flag
= &default_cdrom
},
286 { .driver
= "ide-hd", .flag
= &default_cdrom
},
287 { .driver
= "ide-drive", .flag
= &default_cdrom
},
288 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
289 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
290 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
291 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
292 { .driver
= "VGA", .flag
= &default_vga
},
293 { .driver
= "cirrus-vga", .flag
= &default_vga
},
294 { .driver
= "vmware-svga", .flag
= &default_vga
},
295 { .driver
= "isa-vga", .flag
= &default_vga
},
296 { .driver
= "qxl-vga", .flag
= &default_vga
},
299 static void res_free(void)
301 if (boot_splash_filedata
!= NULL
) {
302 g_free(boot_splash_filedata
);
303 boot_splash_filedata
= NULL
;
307 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
309 const char *driver
= qemu_opt_get(opts
, "driver");
314 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
315 if (strcmp(default_list
[i
].driver
, driver
) != 0)
317 *(default_list
[i
].flag
) = 0;
322 /***********************************************************/
325 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
330 } RunStateTransition
;
332 static const RunStateTransition runstate_transitions_def
[] = {
334 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
336 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
337 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
339 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
340 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
342 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
343 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
345 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
346 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
348 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
349 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
351 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
352 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
353 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
355 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
356 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
358 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
360 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
361 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
362 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
363 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
364 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
365 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
366 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
367 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
368 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
370 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
372 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
373 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
375 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
376 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
378 { RUN_STATE_MAX
, RUN_STATE_MAX
},
381 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
383 bool runstate_check(RunState state
)
385 return current_run_state
== state
;
388 void runstate_init(void)
390 const RunStateTransition
*p
;
392 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
394 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
395 runstate_valid_transitions
[p
->from
][p
->to
] = true;
399 /* This function will abort() on invalid state transitions */
400 void runstate_set(RunState new_state
)
402 assert(new_state
< RUN_STATE_MAX
);
404 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
405 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
406 RunState_lookup
[current_run_state
],
407 RunState_lookup
[new_state
]);
411 current_run_state
= new_state
;
414 int runstate_is_running(void)
416 return runstate_check(RUN_STATE_RUNNING
);
419 StatusInfo
*qmp_query_status(Error
**errp
)
421 StatusInfo
*info
= g_malloc0(sizeof(*info
));
423 info
->running
= runstate_is_running();
424 info
->singlestep
= singlestep
;
425 info
->status
= current_run_state
;
430 /***********************************************************/
431 /* real time host monotonic timer */
433 /***********************************************************/
434 /* host time/date access */
435 void qemu_get_timedate(struct tm
*tm
, int offset
)
442 if (rtc_date_offset
== -1) {
446 ret
= localtime(&ti
);
448 ti
-= rtc_date_offset
;
452 memcpy(tm
, ret
, sizeof(struct tm
));
455 int qemu_timedate_diff(struct tm
*tm
)
459 if (rtc_date_offset
== -1)
461 seconds
= mktimegm(tm
);
464 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
465 seconds
= mktime(&tmp
);
468 seconds
= mktimegm(tm
) + rtc_date_offset
;
470 return seconds
- time(NULL
);
473 void rtc_change_mon_event(struct tm
*tm
)
477 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
478 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
479 qobject_decref(data
);
482 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
484 time_t rtc_start_date
;
487 if (!strcmp(startdate
, "now") && legacy
) {
488 rtc_date_offset
= -1;
490 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
498 } else if (sscanf(startdate
, "%d-%d-%d",
510 rtc_start_date
= mktimegm(&tm
);
511 if (rtc_start_date
== -1) {
513 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
514 "'2006-06-17T16:01:21' or '2006-06-17'\n");
517 rtc_date_offset
= time(NULL
) - rtc_start_date
;
521 static void configure_rtc(QemuOpts
*opts
)
525 value
= qemu_opt_get(opts
, "base");
527 if (!strcmp(value
, "utc")) {
529 } else if (!strcmp(value
, "localtime")) {
532 configure_rtc_date_offset(value
, 0);
535 value
= qemu_opt_get(opts
, "clock");
537 if (!strcmp(value
, "host")) {
538 rtc_clock
= host_clock
;
539 } else if (!strcmp(value
, "vm")) {
540 rtc_clock
= vm_clock
;
542 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
546 value
= qemu_opt_get(opts
, "driftfix");
548 if (!strcmp(value
, "slew")) {
550 } else if (!strcmp(value
, "none")) {
553 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
559 /***********************************************************/
560 /* Bluetooth support */
563 static struct HCIInfo
*hci_table
[MAX_NICS
];
565 static struct bt_vlan_s
{
566 struct bt_scatternet_s net
;
568 struct bt_vlan_s
*next
;
571 /* find or alloc a new bluetooth "VLAN" */
572 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
574 struct bt_vlan_s
**pvlan
, *vlan
;
575 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
579 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
581 pvlan
= &first_bt_vlan
;
582 while (*pvlan
!= NULL
)
583 pvlan
= &(*pvlan
)->next
;
588 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
592 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
597 static struct HCIInfo null_hci
= {
598 .cmd_send
= null_hci_send
,
599 .sco_send
= null_hci_send
,
600 .acl_send
= null_hci_send
,
601 .bdaddr_set
= null_hci_addr_set
,
604 struct HCIInfo
*qemu_next_hci(void)
606 if (cur_hci
== nb_hcis
)
609 return hci_table
[cur_hci
++];
612 static struct HCIInfo
*hci_init(const char *str
)
615 struct bt_scatternet_s
*vlan
= 0;
617 if (!strcmp(str
, "null"))
620 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
622 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
623 else if (!strncmp(str
, "hci", 3)) {
626 if (!strncmp(str
+ 3, ",vlan=", 6)) {
627 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
632 vlan
= qemu_find_bt_vlan(0);
634 return bt_new_hci(vlan
);
637 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
642 static int bt_hci_parse(const char *str
)
647 if (nb_hcis
>= MAX_NICS
) {
648 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
661 bdaddr
.b
[5] = 0x56 + nb_hcis
;
662 hci
->bdaddr_set(hci
, bdaddr
.b
);
664 hci_table
[nb_hcis
++] = hci
;
669 static void bt_vhci_add(int vlan_id
)
671 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
674 fprintf(stderr
, "qemu: warning: adding a VHCI to "
675 "an empty scatternet %i\n", vlan_id
);
677 bt_vhci_init(bt_new_hci(vlan
));
680 static struct bt_device_s
*bt_device_add(const char *opt
)
682 struct bt_scatternet_s
*vlan
;
684 char *endp
= strstr(opt
, ",vlan=");
685 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
688 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
691 vlan_id
= strtol(endp
+ 6, &endp
, 0);
693 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
698 vlan
= qemu_find_bt_vlan(vlan_id
);
701 fprintf(stderr
, "qemu: warning: adding a slave device to "
702 "an empty scatternet %i\n", vlan_id
);
704 if (!strcmp(devname
, "keyboard"))
705 return bt_keyboard_init(vlan
);
707 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
711 static int bt_parse(const char *opt
)
713 const char *endp
, *p
;
716 if (strstart(opt
, "hci", &endp
)) {
717 if (!*endp
|| *endp
== ',') {
719 if (!strstart(endp
, ",vlan=", 0))
722 return bt_hci_parse(opt
);
724 } else if (strstart(opt
, "vhci", &endp
)) {
725 if (!*endp
|| *endp
== ',') {
727 if (strstart(endp
, ",vlan=", &p
)) {
728 vlan
= strtol(p
, (char **) &endp
, 0);
730 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
734 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
743 } else if (strstart(opt
, "device:", &endp
))
744 return !bt_device_add(endp
);
746 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
750 /***********************************************************/
751 /* QEMU Block devices */
753 #define HD_OPTS "media=disk"
754 #define CDROM_OPTS "media=cdrom"
756 #define PFLASH_OPTS ""
760 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
762 int *use_scsi
= opaque
;
764 return drive_init(opts
, *use_scsi
) == NULL
;
767 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
769 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
770 qemu_opt_set(opts
, "snapshot", "on");
775 static void default_drive(int enable
, int snapshot
, int use_scsi
,
776 BlockInterfaceType type
, int index
,
781 if (type
== IF_DEFAULT
) {
782 type
= use_scsi
? IF_SCSI
: IF_IDE
;
785 if (!enable
|| drive_get_by_index(type
, index
)) {
789 opts
= drive_add(type
, index
, NULL
, optstr
);
791 drive_enable_snapshot(opts
, NULL
);
793 if (!drive_init(opts
, use_scsi
)) {
798 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
800 boot_set_handler
= func
;
801 boot_set_opaque
= opaque
;
804 int qemu_boot_set(const char *boot_devices
)
806 if (!boot_set_handler
) {
809 return boot_set_handler(boot_set_opaque
, boot_devices
);
812 static void validate_bootdevices(char *devices
)
814 /* We just do some generic consistency checks */
818 for (p
= devices
; *p
!= '\0'; p
++) {
819 /* Allowed boot devices are:
820 * a-b: floppy disk drives
821 * c-f: IDE disk drives
822 * g-m: machine implementation dependent drives
823 * n-p: network devices
824 * It's up to each machine implementation to check if the given boot
825 * devices match the actual hardware implementation and firmware
828 if (*p
< 'a' || *p
> 'p') {
829 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
832 if (bitmap
& (1 << (*p
- 'a'))) {
833 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
836 bitmap
|= 1 << (*p
- 'a');
840 static void restore_boot_devices(void *opaque
)
842 char *standard_boot_devices
= opaque
;
843 static int first
= 1;
845 /* Restore boot order and remove ourselves after the first boot */
851 qemu_boot_set(standard_boot_devices
);
853 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
854 g_free(standard_boot_devices
);
857 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
860 FWBootEntry
*node
, *i
;
866 assert(dev
!= NULL
|| suffix
!= NULL
);
868 node
= g_malloc0(sizeof(FWBootEntry
));
869 node
->bootindex
= bootindex
;
870 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
873 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
874 if (i
->bootindex
== bootindex
) {
875 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
877 } else if (i
->bootindex
< bootindex
) {
880 QTAILQ_INSERT_BEFORE(i
, node
, link
);
883 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
887 * This function returns null terminated string that consist of new line
888 * separated device paths.
890 * memory pointed by "size" is assigned total length of the array in bytes
893 char *get_boot_devices_list(uint32_t *size
)
899 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
900 char *devpath
= NULL
, *bootpath
;
904 devpath
= qdev_get_fw_dev_path(i
->dev
);
908 if (i
->suffix
&& devpath
) {
909 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
911 bootpath
= g_malloc(bootpathlen
);
912 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
914 } else if (devpath
) {
918 bootpath
= g_strdup(i
->suffix
);
922 list
[total
-1] = '\n';
924 len
= strlen(bootpath
) + 1;
925 list
= g_realloc(list
, total
+ len
);
926 memcpy(&list
[total
], bootpath
, len
);
936 static void numa_add(const char *optarg
)
940 unsigned long long value
, endvalue
;
943 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
944 if (!strcmp(option
, "node")) {
945 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
946 nodenr
= nb_numa_nodes
;
948 nodenr
= strtoull(option
, NULL
, 10);
951 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
952 node_mem
[nodenr
] = 0;
955 sval
= strtosz(option
, &endptr
);
956 if (sval
< 0 || *endptr
) {
957 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
960 node_mem
[nodenr
] = sval
;
962 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
963 node_cpumask
[nodenr
] = 0;
965 value
= strtoull(option
, &endptr
, 10);
968 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
970 if (*endptr
== '-') {
971 endvalue
= strtoull(endptr
+1, &endptr
, 10);
972 if (endvalue
>= 63) {
975 "only 63 CPUs in NUMA mode supported.\n");
977 value
= (2ULL << endvalue
) - (1ULL << value
);
979 value
= 1ULL << value
;
982 node_cpumask
[nodenr
] = value
;
989 static void smp_parse(const char *optarg
)
991 int smp
, sockets
= 0, threads
= 0, cores
= 0;
995 smp
= strtoul(optarg
, &endptr
, 10);
996 if (endptr
!= optarg
) {
997 if (*endptr
== ',') {
1001 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1002 sockets
= strtoull(option
, NULL
, 10);
1003 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1004 cores
= strtoull(option
, NULL
, 10);
1005 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1006 threads
= strtoull(option
, NULL
, 10);
1007 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1008 max_cpus
= strtoull(option
, NULL
, 10);
1010 /* compute missing values, prefer sockets over cores over threads */
1011 if (smp
== 0 || sockets
== 0) {
1012 sockets
= sockets
> 0 ? sockets
: 1;
1013 cores
= cores
> 0 ? cores
: 1;
1014 threads
= threads
> 0 ? threads
: 1;
1016 smp
= cores
* threads
* sockets
;
1020 threads
= threads
> 0 ? threads
: 1;
1021 cores
= smp
/ (sockets
* threads
);
1023 threads
= smp
/ (cores
* sockets
);
1027 smp_cores
= cores
> 0 ? cores
: 1;
1028 smp_threads
= threads
> 0 ? threads
: 1;
1030 max_cpus
= smp_cpus
;
1033 /***********************************************************/
1036 static int usb_device_add(const char *devname
)
1039 USBDevice
*dev
= NULL
;
1044 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1045 dev
= usbdevice_create(devname
);
1049 /* the other ones */
1050 #ifndef CONFIG_LINUX
1051 /* only the linux version is qdev-ified, usb-bsd still needs this */
1052 if (strstart(devname
, "host:", &p
)) {
1053 dev
= usb_host_device_open(p
);
1056 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1057 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
1058 bt_new_hci(qemu_find_bt_vlan(0)));
1069 static int usb_device_del(const char *devname
)
1074 if (strstart(devname
, "host:", &p
))
1075 return usb_host_device_close(p
);
1080 p
= strchr(devname
, '.');
1083 bus_num
= strtoul(devname
, NULL
, 0);
1084 addr
= strtoul(p
+ 1, NULL
, 0);
1086 return usb_device_delete_addr(bus_num
, addr
);
1089 static int usb_parse(const char *cmdline
)
1092 r
= usb_device_add(cmdline
);
1094 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1099 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1101 const char *devname
= qdict_get_str(qdict
, "devname");
1102 if (usb_device_add(devname
) < 0) {
1103 error_report("could not add USB device '%s'", devname
);
1107 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1109 const char *devname
= qdict_get_str(qdict
, "devname");
1110 if (usb_device_del(devname
) < 0) {
1111 error_report("could not delete USB device '%s'", devname
);
1115 /***********************************************************/
1116 /* PCMCIA/Cardbus */
1118 static struct pcmcia_socket_entry_s
{
1119 PCMCIASocket
*socket
;
1120 struct pcmcia_socket_entry_s
*next
;
1121 } *pcmcia_sockets
= 0;
1123 void pcmcia_socket_register(PCMCIASocket
*socket
)
1125 struct pcmcia_socket_entry_s
*entry
;
1127 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1128 entry
->socket
= socket
;
1129 entry
->next
= pcmcia_sockets
;
1130 pcmcia_sockets
= entry
;
1133 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1135 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1137 ptr
= &pcmcia_sockets
;
1138 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1139 if (entry
->socket
== socket
) {
1145 void pcmcia_info(Monitor
*mon
)
1147 struct pcmcia_socket_entry_s
*iter
;
1149 if (!pcmcia_sockets
)
1150 monitor_printf(mon
, "No PCMCIA sockets\n");
1152 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1153 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1154 iter
->socket
->attached
? iter
->socket
->card_string
:
1158 /***********************************************************/
1159 /* machine registration */
1161 static QEMUMachine
*first_machine
= NULL
;
1162 QEMUMachine
*current_machine
= NULL
;
1164 int qemu_register_machine(QEMUMachine
*m
)
1167 pm
= &first_machine
;
1175 static QEMUMachine
*find_machine(const char *name
)
1179 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1180 if (!strcmp(m
->name
, name
))
1182 if (m
->alias
&& !strcmp(m
->alias
, name
))
1188 static QEMUMachine
*find_default_machine(void)
1192 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1193 if (m
->is_default
) {
1200 /***********************************************************/
1201 /* main execution loop */
1203 static void gui_update(void *opaque
)
1205 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1206 DisplayState
*ds
= opaque
;
1207 DisplayChangeListener
*dcl
= ds
->listeners
;
1211 while (dcl
!= NULL
) {
1212 if (dcl
->gui_timer_interval
&&
1213 dcl
->gui_timer_interval
< interval
)
1214 interval
= dcl
->gui_timer_interval
;
1217 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1220 struct vm_change_state_entry
{
1221 VMChangeStateHandler
*cb
;
1223 QLIST_ENTRY (vm_change_state_entry
) entries
;
1226 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1228 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1231 VMChangeStateEntry
*e
;
1233 e
= g_malloc0(sizeof (*e
));
1237 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1241 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1243 QLIST_REMOVE (e
, entries
);
1247 void vm_state_notify(int running
, RunState state
)
1249 VMChangeStateEntry
*e
;
1251 trace_vm_state_notify(running
, state
);
1253 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1254 e
->cb(e
->opaque
, running
, state
);
1260 if (!runstate_is_running()) {
1262 runstate_set(RUN_STATE_RUNNING
);
1263 vm_state_notify(1, RUN_STATE_RUNNING
);
1265 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1269 /* reset/shutdown handler */
1271 typedef struct QEMUResetEntry
{
1272 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1273 QEMUResetHandler
*func
;
1277 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1278 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1279 static int reset_requested
;
1280 static int shutdown_requested
, shutdown_signal
= -1;
1281 static pid_t shutdown_pid
;
1282 static int powerdown_requested
;
1283 static int debug_requested
;
1284 static RunState vmstop_requested
= RUN_STATE_MAX
;
1286 int qemu_shutdown_requested_get(void)
1288 return shutdown_requested
;
1291 int qemu_reset_requested_get(void)
1293 return reset_requested
;
1296 int qemu_shutdown_requested(void)
1298 int r
= shutdown_requested
;
1299 shutdown_requested
= 0;
1303 void qemu_kill_report(void)
1305 if (shutdown_signal
!= -1) {
1306 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1307 if (shutdown_pid
== 0) {
1308 /* This happens for eg ^C at the terminal, so it's worth
1309 * avoiding printing an odd message in that case.
1311 fputc('\n', stderr
);
1313 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1315 shutdown_signal
= -1;
1319 int qemu_reset_requested(void)
1321 int r
= reset_requested
;
1322 reset_requested
= 0;
1326 int qemu_powerdown_requested(void)
1328 int r
= powerdown_requested
;
1329 powerdown_requested
= 0;
1333 static int qemu_debug_requested(void)
1335 int r
= debug_requested
;
1336 debug_requested
= 0;
1340 /* We use RUN_STATE_MAX but any invalid value will do */
1341 static bool qemu_vmstop_requested(RunState
*r
)
1343 if (vmstop_requested
< RUN_STATE_MAX
) {
1344 *r
= vmstop_requested
;
1345 vmstop_requested
= RUN_STATE_MAX
;
1352 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1354 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1357 re
->opaque
= opaque
;
1358 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1361 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1365 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1366 if (re
->func
== func
&& re
->opaque
== opaque
) {
1367 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1374 void qemu_system_reset(bool report
)
1376 QEMUResetEntry
*re
, *nre
;
1378 /* reset all devices */
1379 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1380 re
->func(re
->opaque
);
1383 monitor_protocol_event(QEVENT_RESET
, NULL
);
1385 cpu_synchronize_all_post_reset();
1388 void qemu_system_reset_request(void)
1391 shutdown_requested
= 1;
1393 reset_requested
= 1;
1396 qemu_notify_event();
1399 void qemu_system_killed(int signal
, pid_t pid
)
1401 shutdown_signal
= signal
;
1404 qemu_system_shutdown_request();
1407 void qemu_system_shutdown_request(void)
1409 shutdown_requested
= 1;
1410 qemu_notify_event();
1413 void qemu_system_powerdown_request(void)
1415 powerdown_requested
= 1;
1416 qemu_notify_event();
1419 void qemu_system_debug_request(void)
1421 debug_requested
= 1;
1422 qemu_notify_event();
1425 void qemu_system_vmstop_request(RunState state
)
1427 vmstop_requested
= state
;
1428 qemu_notify_event();
1431 qemu_irq qemu_system_powerdown
;
1433 static bool main_loop_should_exit(void)
1436 if (qemu_debug_requested()) {
1437 vm_stop(RUN_STATE_DEBUG
);
1439 if (qemu_shutdown_requested()) {
1441 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1443 vm_stop(RUN_STATE_SHUTDOWN
);
1448 if (qemu_reset_requested()) {
1450 cpu_synchronize_all_states();
1451 qemu_system_reset(VMRESET_REPORT
);
1453 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1454 runstate_check(RUN_STATE_SHUTDOWN
)) {
1455 runstate_set(RUN_STATE_PAUSED
);
1458 if (qemu_powerdown_requested()) {
1459 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1460 qemu_irq_raise(qemu_system_powerdown
);
1462 if (qemu_vmstop_requested(&r
)) {
1468 static void main_loop(void)
1472 #ifdef CONFIG_PROFILER
1476 nonblocking
= !kvm_enabled() && last_io
> 0;
1477 #ifdef CONFIG_PROFILER
1478 ti
= profile_getclock();
1480 last_io
= main_loop_wait(nonblocking
);
1481 #ifdef CONFIG_PROFILER
1482 dev_time
+= profile_getclock() - ti
;
1484 } while (!main_loop_should_exit());
1487 static void version(void)
1489 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1492 static void help(int exitcode
)
1495 printf("usage: %s [options] [disk_image]\n\n"
1496 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1497 error_get_progname());
1499 #define QEMU_OPTIONS_GENERATE_HELP
1500 #include "qemu-options-wrapper.h"
1502 printf("\nDuring emulation, the following keys are useful:\n"
1503 "ctrl-alt-f toggle full screen\n"
1504 "ctrl-alt-n switch to virtual console 'n'\n"
1505 "ctrl-alt toggle mouse and keyboard grab\n"
1507 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1512 #define HAS_ARG 0x0001
1514 typedef struct QEMUOption
{
1521 static const QEMUOption qemu_options
[] = {
1522 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1523 #define QEMU_OPTIONS_GENERATE_OPTIONS
1524 #include "qemu-options-wrapper.h"
1527 static void select_vgahw (const char *p
)
1532 vga_interface_type
= VGA_NONE
;
1533 if (strstart(p
, "std", &opts
)) {
1534 vga_interface_type
= VGA_STD
;
1535 } else if (strstart(p
, "cirrus", &opts
)) {
1536 vga_interface_type
= VGA_CIRRUS
;
1537 } else if (strstart(p
, "vmware", &opts
)) {
1538 vga_interface_type
= VGA_VMWARE
;
1539 } else if (strstart(p
, "xenfb", &opts
)) {
1540 vga_interface_type
= VGA_XENFB
;
1541 } else if (strstart(p
, "qxl", &opts
)) {
1542 vga_interface_type
= VGA_QXL
;
1543 } else if (!strstart(p
, "none", &opts
)) {
1545 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1549 const char *nextopt
;
1551 if (strstart(opts
, ",retrace=", &nextopt
)) {
1553 if (strstart(opts
, "dumb", &nextopt
))
1554 vga_retrace_method
= VGA_RETRACE_DUMB
;
1555 else if (strstart(opts
, "precise", &nextopt
))
1556 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1557 else goto invalid_vga
;
1558 } else goto invalid_vga
;
1563 static DisplayType
select_display(const char *p
)
1566 DisplayType display
= DT_DEFAULT
;
1568 if (strstart(p
, "sdl", &opts
)) {
1572 const char *nextopt
;
1574 if (strstart(opts
, ",frame=", &nextopt
)) {
1576 if (strstart(opts
, "on", &nextopt
)) {
1578 } else if (strstart(opts
, "off", &nextopt
)) {
1581 goto invalid_sdl_args
;
1583 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1585 if (strstart(opts
, "on", &nextopt
)) {
1587 } else if (strstart(opts
, "off", &nextopt
)) {
1590 goto invalid_sdl_args
;
1592 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1594 if (strstart(opts
, "on", &nextopt
)) {
1596 } else if (strstart(opts
, "off", &nextopt
)) {
1599 goto invalid_sdl_args
;
1601 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1603 if (strstart(opts
, "on", &nextopt
)) {
1605 } else if (strstart(opts
, "off", &nextopt
)) {
1608 goto invalid_sdl_args
;
1612 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1618 fprintf(stderr
, "SDL support is disabled\n");
1621 } else if (strstart(p
, "vnc", &opts
)) {
1626 const char *nextopt
;
1628 if (strstart(opts
, "=", &nextopt
)) {
1629 vnc_display
= nextopt
;
1633 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1637 fprintf(stderr
, "VNC support is disabled\n");
1640 } else if (strstart(p
, "curses", &opts
)) {
1641 #ifdef CONFIG_CURSES
1642 display
= DT_CURSES
;
1644 fprintf(stderr
, "Curses support is disabled\n");
1647 } else if (strstart(p
, "none", &opts
)) {
1650 fprintf(stderr
, "Unknown display type: %s\n", p
);
1657 static int balloon_parse(const char *arg
)
1661 if (strcmp(arg
, "none") == 0) {
1665 if (!strncmp(arg
, "virtio", 6)) {
1666 if (arg
[6] == ',') {
1667 /* have params -> parse them */
1668 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
1672 /* create empty opts */
1673 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
1675 qemu_opt_set(opts
, "driver", "virtio-balloon");
1682 char *qemu_find_file(int type
, const char *name
)
1688 /* If name contains path separators then try it as a straight path. */
1689 if ((strchr(name
, '/') || strchr(name
, '\\'))
1690 && access(name
, R_OK
) == 0) {
1691 return g_strdup(name
);
1694 case QEMU_FILE_TYPE_BIOS
:
1697 case QEMU_FILE_TYPE_KEYMAP
:
1698 subdir
= "keymaps/";
1703 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
1704 buf
= g_malloc0(len
);
1705 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
1706 if (access(buf
, R_OK
)) {
1713 static int device_help_func(QemuOpts
*opts
, void *opaque
)
1715 return qdev_device_help(opts
);
1718 static int device_init_func(QemuOpts
*opts
, void *opaque
)
1722 dev
= qdev_device_add(opts
);
1728 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
1730 CharDriverState
*chr
;
1732 chr
= qemu_chr_new_from_opts(opts
, NULL
);
1738 #ifdef CONFIG_VIRTFS
1739 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
1742 ret
= qemu_fsdev_add(opts
);
1748 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
1750 CharDriverState
*chr
;
1751 const char *chardev
;
1755 mode
= qemu_opt_get(opts
, "mode");
1759 if (strcmp(mode
, "readline") == 0) {
1760 flags
= MONITOR_USE_READLINE
;
1761 } else if (strcmp(mode
, "control") == 0) {
1762 flags
= MONITOR_USE_CONTROL
;
1764 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
1768 if (qemu_opt_get_bool(opts
, "pretty", 0))
1769 flags
|= MONITOR_USE_PRETTY
;
1771 if (qemu_opt_get_bool(opts
, "default", 0))
1772 flags
|= MONITOR_IS_DEFAULT
;
1774 chardev
= qemu_opt_get(opts
, "chardev");
1775 chr
= qemu_chr_find(chardev
);
1777 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
1781 monitor_init(chr
, flags
);
1785 static void monitor_parse(const char *optarg
, const char *mode
)
1787 static int monitor_device_index
= 0;
1793 if (strstart(optarg
, "chardev:", &p
)) {
1794 snprintf(label
, sizeof(label
), "%s", p
);
1796 snprintf(label
, sizeof(label
), "compat_monitor%d",
1797 monitor_device_index
);
1798 if (monitor_device_index
== 0) {
1801 opts
= qemu_chr_parse_compat(label
, optarg
);
1803 fprintf(stderr
, "parse error: %s\n", optarg
);
1808 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1);
1810 fprintf(stderr
, "duplicate chardev: %s\n", label
);
1813 qemu_opt_set(opts
, "mode", mode
);
1814 qemu_opt_set(opts
, "chardev", label
);
1816 qemu_opt_set(opts
, "default", "on");
1817 monitor_device_index
++;
1820 struct device_config
{
1822 DEV_USB
, /* -usbdevice */
1824 DEV_SERIAL
, /* -serial */
1825 DEV_PARALLEL
, /* -parallel */
1826 DEV_VIRTCON
, /* -virtioconsole */
1827 DEV_DEBUGCON
, /* -debugcon */
1829 const char *cmdline
;
1830 QTAILQ_ENTRY(device_config
) next
;
1832 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
1834 static void add_device_config(int type
, const char *cmdline
)
1836 struct device_config
*conf
;
1838 conf
= g_malloc0(sizeof(*conf
));
1840 conf
->cmdline
= cmdline
;
1841 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1844 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1846 struct device_config
*conf
;
1849 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1850 if (conf
->type
!= type
)
1852 rc
= func(conf
->cmdline
);
1859 static int serial_parse(const char *devname
)
1861 static int index
= 0;
1864 if (strcmp(devname
, "none") == 0)
1866 if (index
== MAX_SERIAL_PORTS
) {
1867 fprintf(stderr
, "qemu: too many serial ports\n");
1870 snprintf(label
, sizeof(label
), "serial%d", index
);
1871 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1872 if (!serial_hds
[index
]) {
1873 fprintf(stderr
, "qemu: could not open serial device '%s': %s\n",
1874 devname
, strerror(errno
));
1881 static int parallel_parse(const char *devname
)
1883 static int index
= 0;
1886 if (strcmp(devname
, "none") == 0)
1888 if (index
== MAX_PARALLEL_PORTS
) {
1889 fprintf(stderr
, "qemu: too many parallel ports\n");
1892 snprintf(label
, sizeof(label
), "parallel%d", index
);
1893 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1894 if (!parallel_hds
[index
]) {
1895 fprintf(stderr
, "qemu: could not open parallel device '%s': %s\n",
1896 devname
, strerror(errno
));
1903 static int virtcon_parse(const char *devname
)
1905 QemuOptsList
*device
= qemu_find_opts("device");
1906 static int index
= 0;
1908 QemuOpts
*bus_opts
, *dev_opts
;
1910 if (strcmp(devname
, "none") == 0)
1912 if (index
== MAX_VIRTIO_CONSOLES
) {
1913 fprintf(stderr
, "qemu: too many virtio consoles\n");
1917 bus_opts
= qemu_opts_create(device
, NULL
, 0);
1918 qemu_opt_set(bus_opts
, "driver", "virtio-serial");
1920 dev_opts
= qemu_opts_create(device
, NULL
, 0);
1921 qemu_opt_set(dev_opts
, "driver", "virtconsole");
1923 snprintf(label
, sizeof(label
), "virtcon%d", index
);
1924 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1925 if (!virtcon_hds
[index
]) {
1926 fprintf(stderr
, "qemu: could not open virtio console '%s': %s\n",
1927 devname
, strerror(errno
));
1930 qemu_opt_set(dev_opts
, "chardev", label
);
1936 static int debugcon_parse(const char *devname
)
1940 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
1943 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1945 fprintf(stderr
, "qemu: already have a debugcon device\n");
1948 qemu_opt_set(opts
, "driver", "isa-debugcon");
1949 qemu_opt_set(opts
, "chardev", "debugcon");
1953 static QEMUMachine
*machine_parse(const char *name
)
1955 QEMUMachine
*m
, *machine
= NULL
;
1958 machine
= find_machine(name
);
1963 printf("Supported machines are:\n");
1964 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1966 printf("%-10s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
1968 printf("%-10s %s%s\n", m
->name
, m
->desc
,
1969 m
->is_default
? " (default)" : "");
1971 exit(!name
|| *name
!= '?');
1974 static int tcg_init(void)
1976 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
1981 const char *opt_name
;
1983 int (*available
)(void);
1987 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
1988 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
1989 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
1992 static int configure_accelerator(void)
1994 const char *p
= NULL
;
1997 bool accel_initalised
= 0;
1998 bool init_failed
= 0;
2000 QemuOptsList
*list
= qemu_find_opts("machine");
2001 if (!QTAILQ_EMPTY(&list
->head
)) {
2002 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2006 /* Use the default "accelerator", tcg */
2010 while (!accel_initalised
&& *p
!= '\0') {
2014 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2015 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2016 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2017 *(accel_list
[i
].allowed
) = 1;
2018 ret
= accel_list
[i
].init();
2021 if (!accel_list
[i
].available()) {
2022 printf("%s not supported for this target\n",
2023 accel_list
[i
].name
);
2025 fprintf(stderr
, "failed to initialize %s: %s\n",
2029 *(accel_list
[i
].allowed
) = 0;
2031 accel_initalised
= 1;
2036 if (i
== ARRAY_SIZE(accel_list
)) {
2037 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2041 if (!accel_initalised
) {
2042 fprintf(stderr
, "No accelerator found!\n");
2047 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2050 return !accel_initalised
;
2053 void qemu_add_exit_notifier(Notifier
*notify
)
2055 notifier_list_add(&exit_notifiers
, notify
);
2058 void qemu_remove_exit_notifier(Notifier
*notify
)
2060 notifier_list_remove(&exit_notifiers
, notify
);
2063 static void qemu_run_exit_notifiers(void)
2065 notifier_list_notify(&exit_notifiers
, NULL
);
2068 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2070 notifier_list_add(&machine_init_done_notifiers
, notify
);
2073 static void qemu_run_machine_init_done_notifiers(void)
2075 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2078 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2079 const char **poptarg
, int *poptind
)
2081 const QEMUOption
*popt
;
2082 int optind
= *poptind
;
2083 char *r
= argv
[optind
];
2086 loc_set_cmdline(argv
, optind
, 1);
2088 /* Treat --foo the same as -foo. */
2091 popt
= qemu_options
;
2094 error_report("invalid option");
2097 if (!strcmp(popt
->name
, r
+ 1))
2101 if (popt
->flags
& HAS_ARG
) {
2102 if (optind
>= argc
) {
2103 error_report("requires an argument");
2106 optarg
= argv
[optind
++];
2107 loc_set_cmdline(argv
, optind
- 2, 2);
2118 static gpointer
malloc_and_trace(gsize n_bytes
)
2120 void *ptr
= malloc(n_bytes
);
2121 trace_g_malloc(n_bytes
, ptr
);
2125 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2127 void *ptr
= realloc(mem
, n_bytes
);
2128 trace_g_realloc(mem
, n_bytes
, ptr
);
2132 static void free_and_trace(gpointer mem
)
2138 int main(int argc
, char **argv
, char **envp
)
2140 const char *gdbstub_dev
= NULL
;
2142 int snapshot
, linux_boot
;
2143 const char *icount_option
= NULL
;
2144 const char *initrd_filename
;
2145 const char *kernel_filename
, *kernel_cmdline
;
2146 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2148 DisplayChangeListener
*dcl
;
2149 int cyls
, heads
, secs
, translation
;
2150 QemuOpts
*hda_opts
= NULL
, *opts
;
2151 QemuOptsList
*olist
;
2154 const char *loadvm
= NULL
;
2155 QEMUMachine
*machine
;
2156 const char *cpu_model
;
2157 const char *pid_file
= NULL
;
2158 const char *incoming
= NULL
;
2160 int show_vnc_port
= 0;
2163 const char *log_mask
= NULL
;
2164 const char *log_file
= NULL
;
2165 GMemVTable mem_trace
= {
2166 .malloc
= malloc_and_trace
,
2167 .realloc
= realloc_and_trace
,
2168 .free
= free_and_trace
,
2170 const char *trace_events
= NULL
;
2171 const char *trace_file
= NULL
;
2173 atexit(qemu_run_exit_notifiers
);
2174 error_set_progname(argv
[0]);
2176 g_mem_set_vtable(&mem_trace
);
2177 if (!g_thread_supported()) {
2178 #if !GLIB_CHECK_VERSION(2, 31, 0)
2179 g_thread_init(NULL
);
2181 fprintf(stderr
, "glib threading failed to initialize.\n");
2189 rtc_clock
= host_clock
;
2191 qemu_cache_utils_init(envp
);
2193 QLIST_INIT (&vm_change_state_head
);
2194 os_setup_early_signal_handling();
2196 module_call_init(MODULE_INIT_MACHINE
);
2197 machine
= find_default_machine();
2199 initrd_filename
= NULL
;
2202 kernel_filename
= NULL
;
2203 kernel_cmdline
= "";
2204 cyls
= heads
= secs
= 0;
2205 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2207 for (i
= 0; i
< MAX_NODES
; i
++) {
2209 node_cpumask
[i
] = 0;
2217 /* first pass of option parsing */
2219 while (optind
< argc
) {
2220 if (argv
[optind
][0] != '-') {
2225 const QEMUOption
*popt
;
2227 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2228 switch (popt
->index
) {
2229 case QEMU_OPTION_nodefconfig
:
2239 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2240 if (ret
< 0 && ret
!= -ENOENT
) {
2244 ret
= qemu_read_config_file(arch_config_name
);
2245 if (ret
< 0 && ret
!= -ENOENT
) {
2251 /* second pass of option parsing */
2256 if (argv
[optind
][0] != '-') {
2257 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2259 const QEMUOption
*popt
;
2261 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2262 if (!(popt
->arch_mask
& arch_type
)) {
2263 printf("Option %s not supported for this target\n", popt
->name
);
2266 switch(popt
->index
) {
2268 machine
= machine_parse(optarg
);
2270 case QEMU_OPTION_cpu
:
2271 /* hw initialization will check this */
2272 if (*optarg
== '?') {
2273 list_cpus(stdout
, &fprintf
, optarg
);
2279 case QEMU_OPTION_initrd
:
2280 initrd_filename
= optarg
;
2282 case QEMU_OPTION_hda
:
2286 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2288 snprintf(buf
, sizeof(buf
),
2289 "%s,cyls=%d,heads=%d,secs=%d%s",
2290 HD_OPTS
, cyls
, heads
, secs
,
2291 translation
== BIOS_ATA_TRANSLATION_LBA
?
2293 translation
== BIOS_ATA_TRANSLATION_NONE
?
2294 ",trans=none" : "");
2295 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2298 case QEMU_OPTION_hdb
:
2299 case QEMU_OPTION_hdc
:
2300 case QEMU_OPTION_hdd
:
2301 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2304 case QEMU_OPTION_drive
:
2305 if (drive_def(optarg
) == NULL
) {
2309 case QEMU_OPTION_set
:
2310 if (qemu_set_option(optarg
) != 0)
2313 case QEMU_OPTION_global
:
2314 if (qemu_global_option(optarg
) != 0)
2317 case QEMU_OPTION_mtdblock
:
2318 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2320 case QEMU_OPTION_sd
:
2321 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2323 case QEMU_OPTION_pflash
:
2324 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2326 case QEMU_OPTION_snapshot
:
2329 case QEMU_OPTION_hdachs
:
2333 cyls
= strtol(p
, (char **)&p
, 0);
2334 if (cyls
< 1 || cyls
> 16383)
2339 heads
= strtol(p
, (char **)&p
, 0);
2340 if (heads
< 1 || heads
> 16)
2345 secs
= strtol(p
, (char **)&p
, 0);
2346 if (secs
< 1 || secs
> 63)
2350 if (!strcmp(p
, "none"))
2351 translation
= BIOS_ATA_TRANSLATION_NONE
;
2352 else if (!strcmp(p
, "lba"))
2353 translation
= BIOS_ATA_TRANSLATION_LBA
;
2354 else if (!strcmp(p
, "auto"))
2355 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2358 } else if (*p
!= '\0') {
2360 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2363 if (hda_opts
!= NULL
) {
2365 snprintf(num
, sizeof(num
), "%d", cyls
);
2366 qemu_opt_set(hda_opts
, "cyls", num
);
2367 snprintf(num
, sizeof(num
), "%d", heads
);
2368 qemu_opt_set(hda_opts
, "heads", num
);
2369 snprintf(num
, sizeof(num
), "%d", secs
);
2370 qemu_opt_set(hda_opts
, "secs", num
);
2371 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2372 qemu_opt_set(hda_opts
, "trans", "lba");
2373 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2374 qemu_opt_set(hda_opts
, "trans", "none");
2378 case QEMU_OPTION_numa
:
2379 if (nb_numa_nodes
>= MAX_NODES
) {
2380 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2385 case QEMU_OPTION_display
:
2386 display_type
= select_display(optarg
);
2388 case QEMU_OPTION_nographic
:
2389 display_type
= DT_NOGRAPHIC
;
2391 case QEMU_OPTION_curses
:
2392 #ifdef CONFIG_CURSES
2393 display_type
= DT_CURSES
;
2395 fprintf(stderr
, "Curses support is disabled\n");
2399 case QEMU_OPTION_portrait
:
2400 graphic_rotate
= 90;
2402 case QEMU_OPTION_rotate
:
2403 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2404 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2405 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2407 "qemu: only 90, 180, 270 deg rotation is available\n");
2411 case QEMU_OPTION_kernel
:
2412 kernel_filename
= optarg
;
2414 case QEMU_OPTION_append
:
2415 kernel_cmdline
= optarg
;
2417 case QEMU_OPTION_cdrom
:
2418 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2420 case QEMU_OPTION_boot
:
2422 static const char * const params
[] = {
2423 "order", "once", "menu",
2424 "splash", "splash-time", NULL
2426 char buf
[sizeof(boot_devices
)];
2427 char *standard_boot_devices
;
2430 if (!strchr(optarg
, '=')) {
2432 pstrcpy(buf
, sizeof(buf
), optarg
);
2433 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2435 "qemu: unknown boot parameter '%s' in '%s'\n",
2441 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2442 validate_bootdevices(buf
);
2443 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2446 if (get_param_value(buf
, sizeof(buf
),
2448 validate_bootdevices(buf
);
2449 standard_boot_devices
= g_strdup(boot_devices
);
2450 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2451 qemu_register_reset(restore_boot_devices
,
2452 standard_boot_devices
);
2454 if (get_param_value(buf
, sizeof(buf
),
2456 if (!strcmp(buf
, "on")) {
2458 } else if (!strcmp(buf
, "off")) {
2462 "qemu: invalid option value '%s'\n",
2467 qemu_opts_parse(qemu_find_opts("boot-opts"),
2472 case QEMU_OPTION_fda
:
2473 case QEMU_OPTION_fdb
:
2474 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2477 case QEMU_OPTION_no_fd_bootchk
:
2480 case QEMU_OPTION_netdev
:
2481 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2485 case QEMU_OPTION_net
:
2486 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2491 case QEMU_OPTION_tftp
:
2492 legacy_tftp_prefix
= optarg
;
2494 case QEMU_OPTION_bootp
:
2495 legacy_bootp_filename
= optarg
;
2497 case QEMU_OPTION_redir
:
2498 if (net_slirp_redir(optarg
) < 0)
2502 case QEMU_OPTION_bt
:
2503 add_device_config(DEV_BT
, optarg
);
2505 case QEMU_OPTION_audio_help
:
2506 if (!(audio_available())) {
2507 printf("Option %s not supported for this target\n", popt
->name
);
2513 case QEMU_OPTION_soundhw
:
2514 if (!(audio_available())) {
2515 printf("Option %s not supported for this target\n", popt
->name
);
2518 select_soundhw (optarg
);
2523 case QEMU_OPTION_version
:
2527 case QEMU_OPTION_m
: {
2531 value
= strtosz(optarg
, &end
);
2532 if (value
< 0 || *end
) {
2533 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2537 if (value
!= (uint64_t)(ram_addr_t
)value
) {
2538 fprintf(stderr
, "qemu: ram size too large\n");
2544 case QEMU_OPTION_mempath
:
2548 case QEMU_OPTION_mem_prealloc
:
2559 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
2561 case QEMU_OPTION_gdb
:
2562 gdbstub_dev
= optarg
;
2567 case QEMU_OPTION_bios
:
2570 case QEMU_OPTION_singlestep
:
2577 keyboard_layout
= optarg
;
2579 case QEMU_OPTION_localtime
:
2582 case QEMU_OPTION_vga
:
2583 select_vgahw (optarg
);
2590 w
= strtol(p
, (char **)&p
, 10);
2593 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2599 h
= strtol(p
, (char **)&p
, 10);
2604 depth
= strtol(p
, (char **)&p
, 10);
2605 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2606 depth
!= 24 && depth
!= 32)
2608 } else if (*p
== '\0') {
2609 depth
= graphic_depth
;
2616 graphic_depth
= depth
;
2619 case QEMU_OPTION_echr
:
2622 term_escape_char
= strtol(optarg
, &r
, 0);
2624 printf("Bad argument to echr\n");
2627 case QEMU_OPTION_monitor
:
2628 monitor_parse(optarg
, "readline");
2629 default_monitor
= 0;
2631 case QEMU_OPTION_qmp
:
2632 monitor_parse(optarg
, "control");
2633 default_monitor
= 0;
2635 case QEMU_OPTION_mon
:
2636 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2640 default_monitor
= 0;
2642 case QEMU_OPTION_chardev
:
2643 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2648 case QEMU_OPTION_fsdev
:
2649 olist
= qemu_find_opts("fsdev");
2651 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
2654 opts
= qemu_opts_parse(olist
, optarg
, 1);
2656 fprintf(stderr
, "parse error: %s\n", optarg
);
2660 case QEMU_OPTION_virtfs
: {
2663 const char *writeout
, *sock_fd
, *socket
;
2665 olist
= qemu_find_opts("virtfs");
2667 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
2670 opts
= qemu_opts_parse(olist
, optarg
, 1);
2672 fprintf(stderr
, "parse error: %s\n", optarg
);
2676 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
2677 qemu_opt_get(opts
, "mount_tag") == NULL
) {
2678 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2681 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
2682 qemu_opt_get(opts
, "mount_tag"), 1);
2684 fprintf(stderr
, "duplicate fsdev id: %s\n",
2685 qemu_opt_get(opts
, "mount_tag"));
2689 writeout
= qemu_opt_get(opts
, "writeout");
2691 #ifdef CONFIG_SYNC_FILE_RANGE
2692 qemu_opt_set(fsdev
, "writeout", writeout
);
2694 fprintf(stderr
, "writeout=immediate not supported on "
2699 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
2700 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
2701 qemu_opt_set(fsdev
, "security_model",
2702 qemu_opt_get(opts
, "security_model"));
2703 socket
= qemu_opt_get(opts
, "socket");
2705 qemu_opt_set(fsdev
, "socket", socket
);
2707 sock_fd
= qemu_opt_get(opts
, "sock_fd");
2709 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
2712 qemu_opt_set_bool(fsdev
, "readonly",
2713 qemu_opt_get_bool(opts
, "readonly", 0));
2714 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
2715 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2716 qemu_opt_set(device
, "fsdev",
2717 qemu_opt_get(opts
, "mount_tag"));
2718 qemu_opt_set(device
, "mount_tag",
2719 qemu_opt_get(opts
, "mount_tag"));
2722 case QEMU_OPTION_virtfs_synth
: {
2726 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2728 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
2731 qemu_opt_set(fsdev
, "fsdriver", "synth");
2733 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
2734 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2735 qemu_opt_set(device
, "fsdev", "v_synth");
2736 qemu_opt_set(device
, "mount_tag", "v_synth");
2739 case QEMU_OPTION_serial
:
2740 add_device_config(DEV_SERIAL
, optarg
);
2742 if (strncmp(optarg
, "mon:", 4) == 0) {
2743 default_monitor
= 0;
2746 case QEMU_OPTION_watchdog
:
2749 "qemu: only one watchdog option may be given\n");
2754 case QEMU_OPTION_watchdog_action
:
2755 if (select_watchdog_action(optarg
) == -1) {
2756 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
2760 case QEMU_OPTION_virtiocon
:
2761 add_device_config(DEV_VIRTCON
, optarg
);
2762 default_virtcon
= 0;
2763 if (strncmp(optarg
, "mon:", 4) == 0) {
2764 default_monitor
= 0;
2767 case QEMU_OPTION_parallel
:
2768 add_device_config(DEV_PARALLEL
, optarg
);
2769 default_parallel
= 0;
2770 if (strncmp(optarg
, "mon:", 4) == 0) {
2771 default_monitor
= 0;
2774 case QEMU_OPTION_debugcon
:
2775 add_device_config(DEV_DEBUGCON
, optarg
);
2777 case QEMU_OPTION_loadvm
:
2780 case QEMU_OPTION_full_screen
:
2784 case QEMU_OPTION_no_frame
:
2787 case QEMU_OPTION_alt_grab
:
2790 case QEMU_OPTION_ctrl_grab
:
2793 case QEMU_OPTION_no_quit
:
2796 case QEMU_OPTION_sdl
:
2797 display_type
= DT_SDL
;
2800 case QEMU_OPTION_no_frame
:
2801 case QEMU_OPTION_alt_grab
:
2802 case QEMU_OPTION_ctrl_grab
:
2803 case QEMU_OPTION_no_quit
:
2804 case QEMU_OPTION_sdl
:
2805 fprintf(stderr
, "SDL support is disabled\n");
2808 case QEMU_OPTION_pidfile
:
2811 case QEMU_OPTION_win2k_hack
:
2812 win2k_install_hack
= 1;
2814 case QEMU_OPTION_rtc_td_hack
:
2817 case QEMU_OPTION_acpitable
:
2818 do_acpitable_option(optarg
);
2820 case QEMU_OPTION_smbios
:
2821 do_smbios_option(optarg
);
2823 case QEMU_OPTION_enable_kvm
:
2824 olist
= qemu_find_opts("machine");
2825 qemu_opts_reset(olist
);
2826 qemu_opts_parse(olist
, "accel=kvm", 0);
2828 case QEMU_OPTION_machine
:
2829 olist
= qemu_find_opts("machine");
2830 qemu_opts_reset(olist
);
2831 opts
= qemu_opts_parse(olist
, optarg
, 1);
2833 fprintf(stderr
, "parse error: %s\n", optarg
);
2836 optarg
= qemu_opt_get(opts
, "type");
2838 machine
= machine_parse(optarg
);
2841 case QEMU_OPTION_usb
:
2844 case QEMU_OPTION_usbdevice
:
2846 add_device_config(DEV_USB
, optarg
);
2848 case QEMU_OPTION_device
:
2849 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
2853 case QEMU_OPTION_smp
:
2856 fprintf(stderr
, "Invalid number of CPUs\n");
2859 if (max_cpus
< smp_cpus
) {
2860 fprintf(stderr
, "maxcpus must be equal to or greater than "
2864 if (max_cpus
> 255) {
2865 fprintf(stderr
, "Unsupported number of maxcpus\n");
2869 case QEMU_OPTION_vnc
:
2872 vnc_display
= optarg
;
2874 fprintf(stderr
, "VNC support is disabled\n");
2878 case QEMU_OPTION_no_acpi
:
2881 case QEMU_OPTION_no_hpet
:
2884 case QEMU_OPTION_balloon
:
2885 if (balloon_parse(optarg
) < 0) {
2886 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
2890 case QEMU_OPTION_no_reboot
:
2893 case QEMU_OPTION_no_shutdown
:
2896 case QEMU_OPTION_show_cursor
:
2899 case QEMU_OPTION_uuid
:
2900 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
2901 fprintf(stderr
, "Fail to parse UUID string."
2902 " Wrong format.\n");
2906 case QEMU_OPTION_option_rom
:
2907 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
2908 fprintf(stderr
, "Too many option ROMs\n");
2911 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
2912 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
2913 option_rom
[nb_option_roms
].bootindex
=
2914 qemu_opt_get_number(opts
, "bootindex", -1);
2915 if (!option_rom
[nb_option_roms
].name
) {
2916 fprintf(stderr
, "Option ROM file is not specified\n");
2921 case QEMU_OPTION_semihosting
:
2922 semihosting_enabled
= 1;
2924 case QEMU_OPTION_name
:
2925 qemu_name
= g_strdup(optarg
);
2927 char *p
= strchr(qemu_name
, ',');
2930 if (strncmp(p
, "process=", 8)) {
2931 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
2935 os_set_proc_name(p
);
2939 case QEMU_OPTION_prom_env
:
2940 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
2941 fprintf(stderr
, "Too many prom variables\n");
2944 prom_envs
[nb_prom_envs
] = optarg
;
2947 case QEMU_OPTION_old_param
:
2950 case QEMU_OPTION_clock
:
2951 configure_alarms(optarg
);
2953 case QEMU_OPTION_startdate
:
2954 configure_rtc_date_offset(optarg
, 1);
2956 case QEMU_OPTION_rtc
:
2957 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
2961 configure_rtc(opts
);
2963 case QEMU_OPTION_tb_size
:
2964 tcg_tb_size
= strtol(optarg
, NULL
, 0);
2965 if (tcg_tb_size
< 0) {
2969 case QEMU_OPTION_icount
:
2970 icount_option
= optarg
;
2972 case QEMU_OPTION_incoming
:
2975 case QEMU_OPTION_nodefaults
:
2977 default_parallel
= 0;
2978 default_virtcon
= 0;
2979 default_monitor
= 0;
2986 case QEMU_OPTION_xen_domid
:
2987 if (!(xen_available())) {
2988 printf("Option %s not supported for this target\n", popt
->name
);
2991 xen_domid
= atoi(optarg
);
2993 case QEMU_OPTION_xen_create
:
2994 if (!(xen_available())) {
2995 printf("Option %s not supported for this target\n", popt
->name
);
2998 xen_mode
= XEN_CREATE
;
3000 case QEMU_OPTION_xen_attach
:
3001 if (!(xen_available())) {
3002 printf("Option %s not supported for this target\n", popt
->name
);
3005 xen_mode
= XEN_ATTACH
;
3007 case QEMU_OPTION_trace
:
3009 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3013 trace_events
= qemu_opt_get(opts
, "events");
3014 trace_file
= qemu_opt_get(opts
, "file");
3017 case QEMU_OPTION_readconfig
:
3019 int ret
= qemu_read_config_file(optarg
);
3021 fprintf(stderr
, "read config %s: %s\n", optarg
,
3027 case QEMU_OPTION_spice
:
3028 olist
= qemu_find_opts("spice");
3030 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3033 opts
= qemu_opts_parse(olist
, optarg
, 0);
3035 fprintf(stderr
, "parse error: %s\n", optarg
);
3039 case QEMU_OPTION_writeconfig
:
3042 if (strcmp(optarg
, "-") == 0) {
3045 fp
= fopen(optarg
, "w");
3047 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3051 qemu_config_write(fp
);
3056 os_parse_cmd_args(popt
->index
, optarg
);
3062 /* Open the logfile at this point, if necessary. We can't open the logfile
3063 * when encountering either of the logging options (-d or -D) because the
3064 * other one may be encountered later on the command line, changing the
3065 * location or level of logging.
3069 set_cpu_log_filename(log_file
);
3071 set_cpu_log(log_mask
);
3074 if (!trace_backend_init(trace_events
, trace_file
)) {
3078 /* If no data_dir is specified then try to find it relative to the
3081 data_dir
= os_find_datadir(argv
[0]);
3083 /* If all else fails use the install path specified when building. */
3085 data_dir
= CONFIG_QEMU_DATADIR
;
3088 if (machine
== NULL
) {
3089 fprintf(stderr
, "No machine found.\n");
3094 * Default to max_cpus = smp_cpus, in case the user doesn't
3095 * specify a max_cpus value.
3098 max_cpus
= smp_cpus
;
3100 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3101 if (smp_cpus
> machine
->max_cpus
) {
3102 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3103 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3109 * Get the default machine options from the machine if it is not already
3110 * specified either by the configuration file or by the command line.
3112 if (machine
->default_machine_opts
) {
3113 QemuOptsList
*list
= qemu_find_opts("machine");
3114 const char *p
= NULL
;
3116 if (!QTAILQ_EMPTY(&list
->head
)) {
3117 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
3120 qemu_opts_reset(list
);
3121 opts
= qemu_opts_parse(list
, machine
->default_machine_opts
, 0);
3123 fprintf(stderr
, "parse error for machine %s: %s\n",
3124 machine
->name
, machine
->default_machine_opts
);
3130 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3131 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3133 if (machine
->no_serial
) {
3136 if (machine
->no_parallel
) {
3137 default_parallel
= 0;
3139 if (!machine
->use_virtcon
) {
3140 default_virtcon
= 0;
3142 if (machine
->no_vga
) {
3145 if (machine
->no_floppy
) {
3148 if (machine
->no_cdrom
) {
3151 if (machine
->no_sdcard
) {
3155 if (display_type
== DT_NOGRAPHIC
) {
3156 if (default_parallel
)
3157 add_device_config(DEV_PARALLEL
, "null");
3158 if (default_serial
&& default_monitor
) {
3159 add_device_config(DEV_SERIAL
, "mon:stdio");
3160 } else if (default_virtcon
&& default_monitor
) {
3161 add_device_config(DEV_VIRTCON
, "mon:stdio");
3164 add_device_config(DEV_SERIAL
, "stdio");
3165 if (default_virtcon
)
3166 add_device_config(DEV_VIRTCON
, "stdio");
3167 if (default_monitor
)
3168 monitor_parse("stdio", "readline");
3172 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3173 if (default_parallel
)
3174 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3175 if (default_monitor
)
3176 monitor_parse("vc:80Cx24C", "readline");
3177 if (default_virtcon
)
3178 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3181 vga_interface_type
= VGA_CIRRUS
;
3185 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3187 #ifdef CONFIG_VIRTFS
3188 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3195 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3200 /* init the memory */
3201 if (ram_size
== 0) {
3202 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3205 configure_accelerator();
3207 qemu_init_cpu_loop();
3208 if (qemu_init_main_loop()) {
3209 fprintf(stderr
, "qemu_init_main_loop failed\n");
3212 linux_boot
= (kernel_filename
!= NULL
);
3214 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3215 fprintf(stderr
, "-append only allowed with -kernel option\n");
3219 if (!linux_boot
&& initrd_filename
!= NULL
) {
3220 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3224 os_set_line_buffering();
3226 if (init_timer_alarm() < 0) {
3227 fprintf(stderr
, "could not initialize alarm timer\n");
3231 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
3232 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
3235 configure_icount(icount_option
);
3237 if (net_init_clients() < 0) {
3241 /* init the bluetooth world */
3242 if (foreach_device_config(DEV_BT
, bt_parse
))
3245 if (!xen_enabled()) {
3246 /* On 32-bit hosts, QEMU is limited by virtual address space */
3247 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
3248 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
3253 cpu_exec_init_all();
3255 bdrv_init_with_whitelist();
3259 /* open the virtual block devices */
3261 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3262 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3265 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3266 IF_DEFAULT
, 2, CDROM_OPTS
);
3267 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3268 IF_FLOPPY
, 0, FD_OPTS
);
3269 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3272 register_savevm_live(NULL
, "ram", 0, 4, NULL
, ram_save_live
, NULL
,
3275 if (nb_numa_nodes
> 0) {
3278 if (nb_numa_nodes
> MAX_NODES
) {
3279 nb_numa_nodes
= MAX_NODES
;
3282 /* If no memory size if given for any node, assume the default case
3283 * and distribute the available memory equally across all nodes
3285 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3286 if (node_mem
[i
] != 0)
3289 if (i
== nb_numa_nodes
) {
3290 uint64_t usedmem
= 0;
3292 /* On Linux, the each node's border has to be 8MB aligned,
3293 * the final node gets the rest.
3295 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3296 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3297 usedmem
+= node_mem
[i
];
3299 node_mem
[i
] = ram_size
- usedmem
;
3302 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3303 if (node_cpumask
[i
] != 0)
3306 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3307 * must cope with this anyway, because there are BIOSes out there in
3308 * real machines which also use this scheme.
3310 if (i
== nb_numa_nodes
) {
3311 for (i
= 0; i
< max_cpus
; i
++) {
3312 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
3317 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3321 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3323 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3325 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3327 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3330 module_call_init(MODULE_INIT_DEVICE
);
3332 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0) != 0)
3336 i
= select_watchdog(watchdog
);
3338 exit (i
== 1 ? 1 : 0);
3341 if (machine
->compat_props
) {
3342 qdev_prop_register_global_list(machine
->compat_props
);
3346 qdev_machine_init();
3348 machine
->init(ram_size
, boot_devices
,
3349 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
3351 cpu_synchronize_all_post_init();
3355 current_machine
= machine
;
3357 /* init USB devices */
3359 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3363 /* init generic devices */
3364 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3367 net_check_clients();
3369 /* just use the first displaystate for the moment */
3370 ds
= get_displaystate();
3374 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3375 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3376 display_type
= DT_SDL
;
3377 #elif defined(CONFIG_VNC)
3378 vnc_display
= "localhost:0,to=99";
3381 display_type
= DT_NONE
;
3386 /* init local displays */
3387 switch (display_type
) {
3390 #if defined(CONFIG_CURSES)
3392 curses_display_init(ds
, full_screen
);
3395 #if defined(CONFIG_SDL)
3397 sdl_display_init(ds
, full_screen
, no_frame
);
3399 #elif defined(CONFIG_COCOA)
3401 cocoa_display_init(ds
, full_screen
);
3408 /* must be after terminal init, SDL library changes signal handlers */
3409 os_setup_signal_handling();
3412 /* init remote displays */
3414 vnc_display_init(ds
);
3415 if (vnc_display_open(ds
, vnc_display
) < 0)
3418 if (show_vnc_port
) {
3419 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3424 if (using_spice
&& !qxl_enabled
) {
3425 qemu_spice_display_init(ds
);
3431 dcl
= ds
->listeners
;
3432 while (dcl
!= NULL
) {
3433 if (dcl
->dpy_refresh
!= NULL
) {
3434 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
3435 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
3440 text_consoles_set_display(ds
);
3442 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
3443 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
3448 qdev_machine_creation_done();
3450 if (rom_load_all() != 0) {
3451 fprintf(stderr
, "rom loading failed\n");
3455 /* TODO: once all bus devices are qdevified, this should be done
3456 * when bus is created by qdev.c */
3457 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3458 qemu_run_machine_init_done_notifiers();
3460 qemu_system_reset(VMRESET_SILENT
);
3462 if (load_vmstate(loadvm
) < 0) {
3468 runstate_set(RUN_STATE_INMIGRATE
);
3469 int ret
= qemu_start_incoming_migration(incoming
);
3471 fprintf(stderr
, "Migration failed. Exit code %s(%d), exiting.\n",
3475 } else if (autostart
) {