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 uint8_t irq0override
= 1;
222 const char *watchdog
;
223 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
225 int semihosting_enabled
= 0;
227 const char *qemu_name
;
230 unsigned int nb_prom_envs
= 0;
231 const char *prom_envs
[MAX_PROM_ENVS
];
233 uint8_t *boot_splash_filedata
;
234 int boot_splash_filedata_size
;
235 uint8_t qemu_extra_params_fw
[2];
237 typedef struct FWBootEntry FWBootEntry
;
240 QTAILQ_ENTRY(FWBootEntry
) link
;
246 QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
= QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
249 uint64_t node_mem
[MAX_NODES
];
250 uint64_t node_cpumask
[MAX_NODES
];
252 uint8_t qemu_uuid
[16];
254 static QEMUBootSetHandler
*boot_set_handler
;
255 static void *boot_set_opaque
;
257 static NotifierList exit_notifiers
=
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
260 static NotifierList machine_init_done_notifiers
=
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
263 static int tcg_allowed
= 1;
267 enum xen_mode xen_mode
= XEN_EMULATE
;
268 static int tcg_tb_size
;
270 static int default_serial
= 1;
271 static int default_parallel
= 1;
272 static int default_virtcon
= 1;
273 static int default_monitor
= 1;
274 static int default_vga
= 1;
275 static int default_floppy
= 1;
276 static int default_cdrom
= 1;
277 static int default_sdcard
= 1;
283 { .driver
= "isa-serial", .flag
= &default_serial
},
284 { .driver
= "isa-parallel", .flag
= &default_parallel
},
285 { .driver
= "isa-fdc", .flag
= &default_floppy
},
286 { .driver
= "ide-cd", .flag
= &default_cdrom
},
287 { .driver
= "ide-hd", .flag
= &default_cdrom
},
288 { .driver
= "ide-drive", .flag
= &default_cdrom
},
289 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
290 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
291 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
292 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
293 { .driver
= "VGA", .flag
= &default_vga
},
294 { .driver
= "cirrus-vga", .flag
= &default_vga
},
295 { .driver
= "vmware-svga", .flag
= &default_vga
},
296 { .driver
= "isa-vga", .flag
= &default_vga
},
297 { .driver
= "qxl-vga", .flag
= &default_vga
},
300 static void res_free(void)
302 if (boot_splash_filedata
!= NULL
) {
303 g_free(boot_splash_filedata
);
304 boot_splash_filedata
= NULL
;
308 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
310 const char *driver
= qemu_opt_get(opts
, "driver");
315 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
316 if (strcmp(default_list
[i
].driver
, driver
) != 0)
318 *(default_list
[i
].flag
) = 0;
323 /***********************************************************/
326 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
331 } RunStateTransition
;
333 static const RunStateTransition runstate_transitions_def
[] = {
335 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
337 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
338 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
340 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
341 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
343 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
344 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
346 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
347 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
349 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
350 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
352 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
353 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
354 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
356 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
357 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
359 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
361 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
362 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
363 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
364 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
365 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
366 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
367 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
368 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
369 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
371 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
373 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
374 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
376 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
377 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
379 { RUN_STATE_MAX
, RUN_STATE_MAX
},
382 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
384 bool runstate_check(RunState state
)
386 return current_run_state
== state
;
389 void runstate_init(void)
391 const RunStateTransition
*p
;
393 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
395 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
396 runstate_valid_transitions
[p
->from
][p
->to
] = true;
400 /* This function will abort() on invalid state transitions */
401 void runstate_set(RunState new_state
)
403 assert(new_state
< RUN_STATE_MAX
);
405 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
406 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
407 RunState_lookup
[current_run_state
],
408 RunState_lookup
[new_state
]);
412 current_run_state
= new_state
;
415 int runstate_is_running(void)
417 return runstate_check(RUN_STATE_RUNNING
);
420 StatusInfo
*qmp_query_status(Error
**errp
)
422 StatusInfo
*info
= g_malloc0(sizeof(*info
));
424 info
->running
= runstate_is_running();
425 info
->singlestep
= singlestep
;
426 info
->status
= current_run_state
;
431 /***********************************************************/
432 /* real time host monotonic timer */
434 /***********************************************************/
435 /* host time/date access */
436 void qemu_get_timedate(struct tm
*tm
, int offset
)
443 if (rtc_date_offset
== -1) {
447 ret
= localtime(&ti
);
449 ti
-= rtc_date_offset
;
453 memcpy(tm
, ret
, sizeof(struct tm
));
456 int qemu_timedate_diff(struct tm
*tm
)
460 if (rtc_date_offset
== -1)
462 seconds
= mktimegm(tm
);
465 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
466 seconds
= mktime(&tmp
);
469 seconds
= mktimegm(tm
) + rtc_date_offset
;
471 return seconds
- time(NULL
);
474 void rtc_change_mon_event(struct tm
*tm
)
478 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
479 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
480 qobject_decref(data
);
483 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
485 time_t rtc_start_date
;
488 if (!strcmp(startdate
, "now") && legacy
) {
489 rtc_date_offset
= -1;
491 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
499 } else if (sscanf(startdate
, "%d-%d-%d",
511 rtc_start_date
= mktimegm(&tm
);
512 if (rtc_start_date
== -1) {
514 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
515 "'2006-06-17T16:01:21' or '2006-06-17'\n");
518 rtc_date_offset
= time(NULL
) - rtc_start_date
;
522 static void configure_rtc(QemuOpts
*opts
)
526 value
= qemu_opt_get(opts
, "base");
528 if (!strcmp(value
, "utc")) {
530 } else if (!strcmp(value
, "localtime")) {
533 configure_rtc_date_offset(value
, 0);
536 value
= qemu_opt_get(opts
, "clock");
538 if (!strcmp(value
, "host")) {
539 rtc_clock
= host_clock
;
540 } else if (!strcmp(value
, "vm")) {
541 rtc_clock
= vm_clock
;
543 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
547 value
= qemu_opt_get(opts
, "driftfix");
549 if (!strcmp(value
, "slew")) {
551 } else if (!strcmp(value
, "none")) {
554 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
560 /***********************************************************/
561 /* Bluetooth support */
564 static struct HCIInfo
*hci_table
[MAX_NICS
];
566 static struct bt_vlan_s
{
567 struct bt_scatternet_s net
;
569 struct bt_vlan_s
*next
;
572 /* find or alloc a new bluetooth "VLAN" */
573 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
575 struct bt_vlan_s
**pvlan
, *vlan
;
576 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
580 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
582 pvlan
= &first_bt_vlan
;
583 while (*pvlan
!= NULL
)
584 pvlan
= &(*pvlan
)->next
;
589 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
593 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
598 static struct HCIInfo null_hci
= {
599 .cmd_send
= null_hci_send
,
600 .sco_send
= null_hci_send
,
601 .acl_send
= null_hci_send
,
602 .bdaddr_set
= null_hci_addr_set
,
605 struct HCIInfo
*qemu_next_hci(void)
607 if (cur_hci
== nb_hcis
)
610 return hci_table
[cur_hci
++];
613 static struct HCIInfo
*hci_init(const char *str
)
616 struct bt_scatternet_s
*vlan
= 0;
618 if (!strcmp(str
, "null"))
621 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
623 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
624 else if (!strncmp(str
, "hci", 3)) {
627 if (!strncmp(str
+ 3, ",vlan=", 6)) {
628 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
633 vlan
= qemu_find_bt_vlan(0);
635 return bt_new_hci(vlan
);
638 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
643 static int bt_hci_parse(const char *str
)
648 if (nb_hcis
>= MAX_NICS
) {
649 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
662 bdaddr
.b
[5] = 0x56 + nb_hcis
;
663 hci
->bdaddr_set(hci
, bdaddr
.b
);
665 hci_table
[nb_hcis
++] = hci
;
670 static void bt_vhci_add(int vlan_id
)
672 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
675 fprintf(stderr
, "qemu: warning: adding a VHCI to "
676 "an empty scatternet %i\n", vlan_id
);
678 bt_vhci_init(bt_new_hci(vlan
));
681 static struct bt_device_s
*bt_device_add(const char *opt
)
683 struct bt_scatternet_s
*vlan
;
685 char *endp
= strstr(opt
, ",vlan=");
686 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
689 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
692 vlan_id
= strtol(endp
+ 6, &endp
, 0);
694 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
699 vlan
= qemu_find_bt_vlan(vlan_id
);
702 fprintf(stderr
, "qemu: warning: adding a slave device to "
703 "an empty scatternet %i\n", vlan_id
);
705 if (!strcmp(devname
, "keyboard"))
706 return bt_keyboard_init(vlan
);
708 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
712 static int bt_parse(const char *opt
)
714 const char *endp
, *p
;
717 if (strstart(opt
, "hci", &endp
)) {
718 if (!*endp
|| *endp
== ',') {
720 if (!strstart(endp
, ",vlan=", 0))
723 return bt_hci_parse(opt
);
725 } else if (strstart(opt
, "vhci", &endp
)) {
726 if (!*endp
|| *endp
== ',') {
728 if (strstart(endp
, ",vlan=", &p
)) {
729 vlan
= strtol(p
, (char **) &endp
, 0);
731 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
735 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
744 } else if (strstart(opt
, "device:", &endp
))
745 return !bt_device_add(endp
);
747 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
751 /***********************************************************/
752 /* QEMU Block devices */
754 #define HD_OPTS "media=disk"
755 #define CDROM_OPTS "media=cdrom"
757 #define PFLASH_OPTS ""
761 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
763 int *use_scsi
= opaque
;
765 return drive_init(opts
, *use_scsi
) == NULL
;
768 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
770 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
771 qemu_opt_set(opts
, "snapshot", "on");
776 static void default_drive(int enable
, int snapshot
, int use_scsi
,
777 BlockInterfaceType type
, int index
,
782 if (type
== IF_DEFAULT
) {
783 type
= use_scsi
? IF_SCSI
: IF_IDE
;
786 if (!enable
|| drive_get_by_index(type
, index
)) {
790 opts
= drive_add(type
, index
, NULL
, optstr
);
792 drive_enable_snapshot(opts
, NULL
);
794 if (!drive_init(opts
, use_scsi
)) {
799 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
801 boot_set_handler
= func
;
802 boot_set_opaque
= opaque
;
805 int qemu_boot_set(const char *boot_devices
)
807 if (!boot_set_handler
) {
810 return boot_set_handler(boot_set_opaque
, boot_devices
);
813 static void validate_bootdevices(char *devices
)
815 /* We just do some generic consistency checks */
819 for (p
= devices
; *p
!= '\0'; p
++) {
820 /* Allowed boot devices are:
821 * a-b: floppy disk drives
822 * c-f: IDE disk drives
823 * g-m: machine implementation dependent drives
824 * n-p: network devices
825 * It's up to each machine implementation to check if the given boot
826 * devices match the actual hardware implementation and firmware
829 if (*p
< 'a' || *p
> 'p') {
830 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
833 if (bitmap
& (1 << (*p
- 'a'))) {
834 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
837 bitmap
|= 1 << (*p
- 'a');
841 static void restore_boot_devices(void *opaque
)
843 char *standard_boot_devices
= opaque
;
844 static int first
= 1;
846 /* Restore boot order and remove ourselves after the first boot */
852 qemu_boot_set(standard_boot_devices
);
854 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
855 g_free(standard_boot_devices
);
858 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
861 FWBootEntry
*node
, *i
;
867 assert(dev
!= NULL
|| suffix
!= NULL
);
869 node
= g_malloc0(sizeof(FWBootEntry
));
870 node
->bootindex
= bootindex
;
871 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
874 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
875 if (i
->bootindex
== bootindex
) {
876 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
878 } else if (i
->bootindex
< bootindex
) {
881 QTAILQ_INSERT_BEFORE(i
, node
, link
);
884 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
888 * This function returns null terminated string that consist of new line
889 * separated device paths.
891 * memory pointed by "size" is assigned total length of the array in bytes
894 char *get_boot_devices_list(uint32_t *size
)
900 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
901 char *devpath
= NULL
, *bootpath
;
905 devpath
= qdev_get_fw_dev_path(i
->dev
);
909 if (i
->suffix
&& devpath
) {
910 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
912 bootpath
= g_malloc(bootpathlen
);
913 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
915 } else if (devpath
) {
919 bootpath
= g_strdup(i
->suffix
);
923 list
[total
-1] = '\n';
925 len
= strlen(bootpath
) + 1;
926 list
= g_realloc(list
, total
+ len
);
927 memcpy(&list
[total
], bootpath
, len
);
937 static void numa_add(const char *optarg
)
941 unsigned long long value
, endvalue
;
944 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
945 if (!strcmp(option
, "node")) {
946 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
947 nodenr
= nb_numa_nodes
;
949 nodenr
= strtoull(option
, NULL
, 10);
952 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
953 node_mem
[nodenr
] = 0;
956 sval
= strtosz(option
, &endptr
);
957 if (sval
< 0 || *endptr
) {
958 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
961 node_mem
[nodenr
] = sval
;
963 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
964 node_cpumask
[nodenr
] = 0;
966 value
= strtoull(option
, &endptr
, 10);
969 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
971 if (*endptr
== '-') {
972 endvalue
= strtoull(endptr
+1, &endptr
, 10);
973 if (endvalue
>= 63) {
976 "only 63 CPUs in NUMA mode supported.\n");
978 value
= (2ULL << endvalue
) - (1ULL << value
);
980 value
= 1ULL << value
;
983 node_cpumask
[nodenr
] = value
;
990 static void smp_parse(const char *optarg
)
992 int smp
, sockets
= 0, threads
= 0, cores
= 0;
996 smp
= strtoul(optarg
, &endptr
, 10);
997 if (endptr
!= optarg
) {
998 if (*endptr
== ',') {
1002 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1003 sockets
= strtoull(option
, NULL
, 10);
1004 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1005 cores
= strtoull(option
, NULL
, 10);
1006 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1007 threads
= strtoull(option
, NULL
, 10);
1008 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1009 max_cpus
= strtoull(option
, NULL
, 10);
1011 /* compute missing values, prefer sockets over cores over threads */
1012 if (smp
== 0 || sockets
== 0) {
1013 sockets
= sockets
> 0 ? sockets
: 1;
1014 cores
= cores
> 0 ? cores
: 1;
1015 threads
= threads
> 0 ? threads
: 1;
1017 smp
= cores
* threads
* sockets
;
1021 threads
= threads
> 0 ? threads
: 1;
1022 cores
= smp
/ (sockets
* threads
);
1024 threads
= smp
/ (cores
* sockets
);
1028 smp_cores
= cores
> 0 ? cores
: 1;
1029 smp_threads
= threads
> 0 ? threads
: 1;
1031 max_cpus
= smp_cpus
;
1034 /***********************************************************/
1037 static int usb_device_add(const char *devname
)
1040 USBDevice
*dev
= NULL
;
1045 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1046 dev
= usbdevice_create(devname
);
1050 /* the other ones */
1051 #ifndef CONFIG_LINUX
1052 /* only the linux version is qdev-ified, usb-bsd still needs this */
1053 if (strstart(devname
, "host:", &p
)) {
1054 dev
= usb_host_device_open(p
);
1057 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1058 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
1059 bt_new_hci(qemu_find_bt_vlan(0)));
1070 static int usb_device_del(const char *devname
)
1075 if (strstart(devname
, "host:", &p
))
1076 return usb_host_device_close(p
);
1081 p
= strchr(devname
, '.');
1084 bus_num
= strtoul(devname
, NULL
, 0);
1085 addr
= strtoul(p
+ 1, NULL
, 0);
1087 return usb_device_delete_addr(bus_num
, addr
);
1090 static int usb_parse(const char *cmdline
)
1093 r
= usb_device_add(cmdline
);
1095 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1100 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1102 const char *devname
= qdict_get_str(qdict
, "devname");
1103 if (usb_device_add(devname
) < 0) {
1104 error_report("could not add USB device '%s'", devname
);
1108 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1110 const char *devname
= qdict_get_str(qdict
, "devname");
1111 if (usb_device_del(devname
) < 0) {
1112 error_report("could not delete USB device '%s'", devname
);
1116 /***********************************************************/
1117 /* PCMCIA/Cardbus */
1119 static struct pcmcia_socket_entry_s
{
1120 PCMCIASocket
*socket
;
1121 struct pcmcia_socket_entry_s
*next
;
1122 } *pcmcia_sockets
= 0;
1124 void pcmcia_socket_register(PCMCIASocket
*socket
)
1126 struct pcmcia_socket_entry_s
*entry
;
1128 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1129 entry
->socket
= socket
;
1130 entry
->next
= pcmcia_sockets
;
1131 pcmcia_sockets
= entry
;
1134 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1136 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1138 ptr
= &pcmcia_sockets
;
1139 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1140 if (entry
->socket
== socket
) {
1146 void pcmcia_info(Monitor
*mon
)
1148 struct pcmcia_socket_entry_s
*iter
;
1150 if (!pcmcia_sockets
)
1151 monitor_printf(mon
, "No PCMCIA sockets\n");
1153 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1154 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1155 iter
->socket
->attached
? iter
->socket
->card_string
:
1159 /***********************************************************/
1160 /* machine registration */
1162 static QEMUMachine
*first_machine
= NULL
;
1163 QEMUMachine
*current_machine
= NULL
;
1165 int qemu_register_machine(QEMUMachine
*m
)
1168 pm
= &first_machine
;
1176 static QEMUMachine
*find_machine(const char *name
)
1180 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1181 if (!strcmp(m
->name
, name
))
1183 if (m
->alias
&& !strcmp(m
->alias
, name
))
1189 static QEMUMachine
*find_default_machine(void)
1193 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1194 if (m
->is_default
) {
1201 /***********************************************************/
1202 /* main execution loop */
1204 static void gui_update(void *opaque
)
1206 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1207 DisplayState
*ds
= opaque
;
1208 DisplayChangeListener
*dcl
= ds
->listeners
;
1212 while (dcl
!= NULL
) {
1213 if (dcl
->gui_timer_interval
&&
1214 dcl
->gui_timer_interval
< interval
)
1215 interval
= dcl
->gui_timer_interval
;
1218 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1221 struct vm_change_state_entry
{
1222 VMChangeStateHandler
*cb
;
1224 QLIST_ENTRY (vm_change_state_entry
) entries
;
1227 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1229 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1232 VMChangeStateEntry
*e
;
1234 e
= g_malloc0(sizeof (*e
));
1238 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1242 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1244 QLIST_REMOVE (e
, entries
);
1248 void vm_state_notify(int running
, RunState state
)
1250 VMChangeStateEntry
*e
;
1252 trace_vm_state_notify(running
, state
);
1254 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1255 e
->cb(e
->opaque
, running
, state
);
1261 if (!runstate_is_running()) {
1263 runstate_set(RUN_STATE_RUNNING
);
1264 vm_state_notify(1, RUN_STATE_RUNNING
);
1266 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1270 /* reset/shutdown handler */
1272 typedef struct QEMUResetEntry
{
1273 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1274 QEMUResetHandler
*func
;
1278 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1279 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1280 static int reset_requested
;
1281 static int shutdown_requested
, shutdown_signal
= -1;
1282 static pid_t shutdown_pid
;
1283 static int powerdown_requested
;
1284 static int debug_requested
;
1285 static RunState vmstop_requested
= RUN_STATE_MAX
;
1287 int qemu_shutdown_requested_get(void)
1289 return shutdown_requested
;
1292 int qemu_reset_requested_get(void)
1294 return reset_requested
;
1297 int qemu_shutdown_requested(void)
1299 int r
= shutdown_requested
;
1300 shutdown_requested
= 0;
1304 void qemu_kill_report(void)
1306 if (shutdown_signal
!= -1) {
1307 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1308 if (shutdown_pid
== 0) {
1309 /* This happens for eg ^C at the terminal, so it's worth
1310 * avoiding printing an odd message in that case.
1312 fputc('\n', stderr
);
1314 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1316 shutdown_signal
= -1;
1320 int qemu_reset_requested(void)
1322 int r
= reset_requested
;
1323 reset_requested
= 0;
1327 int qemu_powerdown_requested(void)
1329 int r
= powerdown_requested
;
1330 powerdown_requested
= 0;
1334 static int qemu_debug_requested(void)
1336 int r
= debug_requested
;
1337 debug_requested
= 0;
1341 /* We use RUN_STATE_MAX but any invalid value will do */
1342 static bool qemu_vmstop_requested(RunState
*r
)
1344 if (vmstop_requested
< RUN_STATE_MAX
) {
1345 *r
= vmstop_requested
;
1346 vmstop_requested
= RUN_STATE_MAX
;
1353 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1355 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1358 re
->opaque
= opaque
;
1359 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1362 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1366 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1367 if (re
->func
== func
&& re
->opaque
== opaque
) {
1368 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1375 void qemu_system_reset(bool report
)
1377 QEMUResetEntry
*re
, *nre
;
1379 /* reset all devices */
1380 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1381 re
->func(re
->opaque
);
1384 monitor_protocol_event(QEVENT_RESET
, NULL
);
1386 cpu_synchronize_all_post_reset();
1389 void qemu_system_reset_request(void)
1392 shutdown_requested
= 1;
1394 reset_requested
= 1;
1397 qemu_notify_event();
1400 void qemu_system_killed(int signal
, pid_t pid
)
1402 shutdown_signal
= signal
;
1405 qemu_system_shutdown_request();
1408 void qemu_system_shutdown_request(void)
1410 shutdown_requested
= 1;
1411 qemu_notify_event();
1414 void qemu_system_powerdown_request(void)
1416 powerdown_requested
= 1;
1417 qemu_notify_event();
1420 void qemu_system_debug_request(void)
1422 debug_requested
= 1;
1423 qemu_notify_event();
1426 void qemu_system_vmstop_request(RunState state
)
1428 vmstop_requested
= state
;
1429 qemu_notify_event();
1432 qemu_irq qemu_system_powerdown
;
1434 static bool main_loop_should_exit(void)
1437 if (qemu_debug_requested()) {
1438 vm_stop(RUN_STATE_DEBUG
);
1440 if (qemu_shutdown_requested()) {
1442 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1444 vm_stop(RUN_STATE_SHUTDOWN
);
1449 if (qemu_reset_requested()) {
1451 cpu_synchronize_all_states();
1452 qemu_system_reset(VMRESET_REPORT
);
1454 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1455 runstate_check(RUN_STATE_SHUTDOWN
)) {
1456 runstate_set(RUN_STATE_PAUSED
);
1459 if (qemu_powerdown_requested()) {
1460 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1461 qemu_irq_raise(qemu_system_powerdown
);
1463 if (qemu_vmstop_requested(&r
)) {
1469 static void main_loop(void)
1473 #ifdef CONFIG_PROFILER
1477 nonblocking
= !kvm_enabled() && last_io
> 0;
1478 #ifdef CONFIG_PROFILER
1479 ti
= profile_getclock();
1481 last_io
= main_loop_wait(nonblocking
);
1482 #ifdef CONFIG_PROFILER
1483 dev_time
+= profile_getclock() - ti
;
1485 } while (!main_loop_should_exit());
1488 static void version(void)
1490 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1493 static void help(int exitcode
)
1495 const char *options_help
=
1496 #define QEMU_OPTIONS_GENERATE_HELP
1497 #include "qemu-options-wrapper.h"
1500 printf("usage: %s [options] [disk_image]\n"
1502 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1505 "During emulation, the following keys are useful:\n"
1506 "ctrl-alt-f toggle full screen\n"
1507 "ctrl-alt-n switch to virtual console 'n'\n"
1508 "ctrl-alt toggle mouse and keyboard grab\n"
1510 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1511 error_get_progname(),
1516 #define HAS_ARG 0x0001
1518 typedef struct QEMUOption
{
1525 static const QEMUOption qemu_options
[] = {
1526 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1527 #define QEMU_OPTIONS_GENERATE_OPTIONS
1528 #include "qemu-options-wrapper.h"
1531 static void select_vgahw (const char *p
)
1536 vga_interface_type
= VGA_NONE
;
1537 if (strstart(p
, "std", &opts
)) {
1538 vga_interface_type
= VGA_STD
;
1539 } else if (strstart(p
, "cirrus", &opts
)) {
1540 vga_interface_type
= VGA_CIRRUS
;
1541 } else if (strstart(p
, "vmware", &opts
)) {
1542 vga_interface_type
= VGA_VMWARE
;
1543 } else if (strstart(p
, "xenfb", &opts
)) {
1544 vga_interface_type
= VGA_XENFB
;
1545 } else if (strstart(p
, "qxl", &opts
)) {
1546 vga_interface_type
= VGA_QXL
;
1547 } else if (!strstart(p
, "none", &opts
)) {
1549 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1553 const char *nextopt
;
1555 if (strstart(opts
, ",retrace=", &nextopt
)) {
1557 if (strstart(opts
, "dumb", &nextopt
))
1558 vga_retrace_method
= VGA_RETRACE_DUMB
;
1559 else if (strstart(opts
, "precise", &nextopt
))
1560 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1561 else goto invalid_vga
;
1562 } else goto invalid_vga
;
1567 static DisplayType
select_display(const char *p
)
1570 DisplayType display
= DT_DEFAULT
;
1572 if (strstart(p
, "sdl", &opts
)) {
1576 const char *nextopt
;
1578 if (strstart(opts
, ",frame=", &nextopt
)) {
1580 if (strstart(opts
, "on", &nextopt
)) {
1582 } else if (strstart(opts
, "off", &nextopt
)) {
1585 goto invalid_sdl_args
;
1587 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1589 if (strstart(opts
, "on", &nextopt
)) {
1591 } else if (strstart(opts
, "off", &nextopt
)) {
1594 goto invalid_sdl_args
;
1596 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1598 if (strstart(opts
, "on", &nextopt
)) {
1600 } else if (strstart(opts
, "off", &nextopt
)) {
1603 goto invalid_sdl_args
;
1605 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1607 if (strstart(opts
, "on", &nextopt
)) {
1609 } else if (strstart(opts
, "off", &nextopt
)) {
1612 goto invalid_sdl_args
;
1616 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1622 fprintf(stderr
, "SDL support is disabled\n");
1625 } else if (strstart(p
, "vnc", &opts
)) {
1630 const char *nextopt
;
1632 if (strstart(opts
, "=", &nextopt
)) {
1633 vnc_display
= nextopt
;
1637 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1641 fprintf(stderr
, "VNC support is disabled\n");
1644 } else if (strstart(p
, "curses", &opts
)) {
1645 #ifdef CONFIG_CURSES
1646 display
= DT_CURSES
;
1648 fprintf(stderr
, "Curses support is disabled\n");
1651 } else if (strstart(p
, "none", &opts
)) {
1654 fprintf(stderr
, "Unknown display type: %s\n", p
);
1661 static int balloon_parse(const char *arg
)
1665 if (strcmp(arg
, "none") == 0) {
1669 if (!strncmp(arg
, "virtio", 6)) {
1670 if (arg
[6] == ',') {
1671 /* have params -> parse them */
1672 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
1676 /* create empty opts */
1677 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
1679 qemu_opt_set(opts
, "driver", "virtio-balloon");
1686 char *qemu_find_file(int type
, const char *name
)
1692 /* If name contains path separators then try it as a straight path. */
1693 if ((strchr(name
, '/') || strchr(name
, '\\'))
1694 && access(name
, R_OK
) == 0) {
1695 return g_strdup(name
);
1698 case QEMU_FILE_TYPE_BIOS
:
1701 case QEMU_FILE_TYPE_KEYMAP
:
1702 subdir
= "keymaps/";
1707 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
1708 buf
= g_malloc0(len
);
1709 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
1710 if (access(buf
, R_OK
)) {
1717 static int device_help_func(QemuOpts
*opts
, void *opaque
)
1719 return qdev_device_help(opts
);
1722 static int device_init_func(QemuOpts
*opts
, void *opaque
)
1726 dev
= qdev_device_add(opts
);
1732 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
1734 CharDriverState
*chr
;
1736 chr
= qemu_chr_new_from_opts(opts
, NULL
);
1742 #ifdef CONFIG_VIRTFS
1743 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
1746 ret
= qemu_fsdev_add(opts
);
1752 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
1754 CharDriverState
*chr
;
1755 const char *chardev
;
1759 mode
= qemu_opt_get(opts
, "mode");
1763 if (strcmp(mode
, "readline") == 0) {
1764 flags
= MONITOR_USE_READLINE
;
1765 } else if (strcmp(mode
, "control") == 0) {
1766 flags
= MONITOR_USE_CONTROL
;
1768 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
1772 if (qemu_opt_get_bool(opts
, "pretty", 0))
1773 flags
|= MONITOR_USE_PRETTY
;
1775 if (qemu_opt_get_bool(opts
, "default", 0))
1776 flags
|= MONITOR_IS_DEFAULT
;
1778 chardev
= qemu_opt_get(opts
, "chardev");
1779 chr
= qemu_chr_find(chardev
);
1781 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
1785 monitor_init(chr
, flags
);
1789 static void monitor_parse(const char *optarg
, const char *mode
)
1791 static int monitor_device_index
= 0;
1797 if (strstart(optarg
, "chardev:", &p
)) {
1798 snprintf(label
, sizeof(label
), "%s", p
);
1800 snprintf(label
, sizeof(label
), "compat_monitor%d",
1801 monitor_device_index
);
1802 if (monitor_device_index
== 0) {
1805 opts
= qemu_chr_parse_compat(label
, optarg
);
1807 fprintf(stderr
, "parse error: %s\n", optarg
);
1812 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1);
1814 fprintf(stderr
, "duplicate chardev: %s\n", label
);
1817 qemu_opt_set(opts
, "mode", mode
);
1818 qemu_opt_set(opts
, "chardev", label
);
1820 qemu_opt_set(opts
, "default", "on");
1821 monitor_device_index
++;
1824 struct device_config
{
1826 DEV_USB
, /* -usbdevice */
1828 DEV_SERIAL
, /* -serial */
1829 DEV_PARALLEL
, /* -parallel */
1830 DEV_VIRTCON
, /* -virtioconsole */
1831 DEV_DEBUGCON
, /* -debugcon */
1833 const char *cmdline
;
1834 QTAILQ_ENTRY(device_config
) next
;
1836 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
1838 static void add_device_config(int type
, const char *cmdline
)
1840 struct device_config
*conf
;
1842 conf
= g_malloc0(sizeof(*conf
));
1844 conf
->cmdline
= cmdline
;
1845 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1848 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1850 struct device_config
*conf
;
1853 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1854 if (conf
->type
!= type
)
1856 rc
= func(conf
->cmdline
);
1863 static int serial_parse(const char *devname
)
1865 static int index
= 0;
1868 if (strcmp(devname
, "none") == 0)
1870 if (index
== MAX_SERIAL_PORTS
) {
1871 fprintf(stderr
, "qemu: too many serial ports\n");
1874 snprintf(label
, sizeof(label
), "serial%d", index
);
1875 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1876 if (!serial_hds
[index
]) {
1877 fprintf(stderr
, "qemu: could not open serial device '%s': %s\n",
1878 devname
, strerror(errno
));
1885 static int parallel_parse(const char *devname
)
1887 static int index
= 0;
1890 if (strcmp(devname
, "none") == 0)
1892 if (index
== MAX_PARALLEL_PORTS
) {
1893 fprintf(stderr
, "qemu: too many parallel ports\n");
1896 snprintf(label
, sizeof(label
), "parallel%d", index
);
1897 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1898 if (!parallel_hds
[index
]) {
1899 fprintf(stderr
, "qemu: could not open parallel device '%s': %s\n",
1900 devname
, strerror(errno
));
1907 static int virtcon_parse(const char *devname
)
1909 QemuOptsList
*device
= qemu_find_opts("device");
1910 static int index
= 0;
1912 QemuOpts
*bus_opts
, *dev_opts
;
1914 if (strcmp(devname
, "none") == 0)
1916 if (index
== MAX_VIRTIO_CONSOLES
) {
1917 fprintf(stderr
, "qemu: too many virtio consoles\n");
1921 bus_opts
= qemu_opts_create(device
, NULL
, 0);
1922 qemu_opt_set(bus_opts
, "driver", "virtio-serial");
1924 dev_opts
= qemu_opts_create(device
, NULL
, 0);
1925 qemu_opt_set(dev_opts
, "driver", "virtconsole");
1927 snprintf(label
, sizeof(label
), "virtcon%d", index
);
1928 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
1929 if (!virtcon_hds
[index
]) {
1930 fprintf(stderr
, "qemu: could not open virtio console '%s': %s\n",
1931 devname
, strerror(errno
));
1934 qemu_opt_set(dev_opts
, "chardev", label
);
1940 static int debugcon_parse(const char *devname
)
1944 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
1947 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1949 fprintf(stderr
, "qemu: already have a debugcon device\n");
1952 qemu_opt_set(opts
, "driver", "isa-debugcon");
1953 qemu_opt_set(opts
, "chardev", "debugcon");
1957 static QEMUMachine
*machine_parse(const char *name
)
1959 QEMUMachine
*m
, *machine
= NULL
;
1962 machine
= find_machine(name
);
1967 printf("Supported machines are:\n");
1968 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1970 printf("%-10s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
1972 printf("%-10s %s%s\n", m
->name
, m
->desc
,
1973 m
->is_default
? " (default)" : "");
1975 exit(!name
|| *name
!= '?');
1978 static int tcg_init(void)
1980 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
1985 const char *opt_name
;
1987 int (*available
)(void);
1991 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
1992 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
1993 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
1996 static int configure_accelerator(void)
1998 const char *p
= NULL
;
2001 bool accel_initalised
= 0;
2002 bool init_failed
= 0;
2004 QemuOptsList
*list
= qemu_find_opts("machine");
2005 if (!QTAILQ_EMPTY(&list
->head
)) {
2006 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2010 /* Use the default "accelerator", tcg */
2014 while (!accel_initalised
&& *p
!= '\0') {
2018 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2019 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2020 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2021 *(accel_list
[i
].allowed
) = 1;
2022 ret
= accel_list
[i
].init();
2025 if (!accel_list
[i
].available()) {
2026 printf("%s not supported for this target\n",
2027 accel_list
[i
].name
);
2029 fprintf(stderr
, "failed to initialize %s: %s\n",
2033 *(accel_list
[i
].allowed
) = 0;
2035 accel_initalised
= 1;
2040 if (i
== ARRAY_SIZE(accel_list
)) {
2041 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2045 if (!accel_initalised
) {
2046 fprintf(stderr
, "No accelerator found!\n");
2051 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2054 return !accel_initalised
;
2057 void qemu_add_exit_notifier(Notifier
*notify
)
2059 notifier_list_add(&exit_notifiers
, notify
);
2062 void qemu_remove_exit_notifier(Notifier
*notify
)
2064 notifier_list_remove(&exit_notifiers
, notify
);
2067 static void qemu_run_exit_notifiers(void)
2069 notifier_list_notify(&exit_notifiers
, NULL
);
2072 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2074 notifier_list_add(&machine_init_done_notifiers
, notify
);
2077 static void qemu_run_machine_init_done_notifiers(void)
2079 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2082 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2083 const char **poptarg
, int *poptind
)
2085 const QEMUOption
*popt
;
2086 int optind
= *poptind
;
2087 char *r
= argv
[optind
];
2090 loc_set_cmdline(argv
, optind
, 1);
2092 /* Treat --foo the same as -foo. */
2095 popt
= qemu_options
;
2098 error_report("invalid option");
2101 if (!strcmp(popt
->name
, r
+ 1))
2105 if (popt
->flags
& HAS_ARG
) {
2106 if (optind
>= argc
) {
2107 error_report("requires an argument");
2110 optarg
= argv
[optind
++];
2111 loc_set_cmdline(argv
, optind
- 2, 2);
2122 static gpointer
malloc_and_trace(gsize n_bytes
)
2124 void *ptr
= malloc(n_bytes
);
2125 trace_g_malloc(n_bytes
, ptr
);
2129 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2131 void *ptr
= realloc(mem
, n_bytes
);
2132 trace_g_realloc(mem
, n_bytes
, ptr
);
2136 static void free_and_trace(gpointer mem
)
2142 int main(int argc
, char **argv
, char **envp
)
2144 const char *gdbstub_dev
= NULL
;
2146 int snapshot
, linux_boot
;
2147 const char *icount_option
= NULL
;
2148 const char *initrd_filename
;
2149 const char *kernel_filename
, *kernel_cmdline
;
2150 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2152 DisplayChangeListener
*dcl
;
2153 int cyls
, heads
, secs
, translation
;
2154 QemuOpts
*hda_opts
= NULL
, *opts
;
2155 QemuOptsList
*olist
;
2158 const char *loadvm
= NULL
;
2159 QEMUMachine
*machine
;
2160 const char *cpu_model
;
2161 const char *pid_file
= NULL
;
2162 const char *incoming
= NULL
;
2164 int show_vnc_port
= 0;
2167 const char *log_mask
= NULL
;
2168 const char *log_file
= NULL
;
2169 GMemVTable mem_trace
= {
2170 .malloc
= malloc_and_trace
,
2171 .realloc
= realloc_and_trace
,
2172 .free
= free_and_trace
,
2174 const char *trace_events
= NULL
;
2175 const char *trace_file
= NULL
;
2177 atexit(qemu_run_exit_notifiers
);
2178 error_set_progname(argv
[0]);
2180 g_mem_set_vtable(&mem_trace
);
2181 if (!g_thread_supported()) {
2182 g_thread_init(NULL
);
2188 rtc_clock
= host_clock
;
2190 qemu_cache_utils_init(envp
);
2192 QLIST_INIT (&vm_change_state_head
);
2193 os_setup_early_signal_handling();
2195 module_call_init(MODULE_INIT_MACHINE
);
2196 machine
= find_default_machine();
2198 initrd_filename
= NULL
;
2201 kernel_filename
= NULL
;
2202 kernel_cmdline
= "";
2203 cyls
= heads
= secs
= 0;
2204 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2206 for (i
= 0; i
< MAX_NODES
; i
++) {
2208 node_cpumask
[i
] = 0;
2216 /* first pass of option parsing */
2218 while (optind
< argc
) {
2219 if (argv
[optind
][0] != '-') {
2224 const QEMUOption
*popt
;
2226 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2227 switch (popt
->index
) {
2228 case QEMU_OPTION_nodefconfig
:
2238 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2239 if (ret
< 0 && ret
!= -ENOENT
) {
2243 ret
= qemu_read_config_file(arch_config_name
);
2244 if (ret
< 0 && ret
!= -ENOENT
) {
2250 /* second pass of option parsing */
2255 if (argv
[optind
][0] != '-') {
2256 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2258 const QEMUOption
*popt
;
2260 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2261 if (!(popt
->arch_mask
& arch_type
)) {
2262 printf("Option %s not supported for this target\n", popt
->name
);
2265 switch(popt
->index
) {
2267 machine
= machine_parse(optarg
);
2269 case QEMU_OPTION_cpu
:
2270 /* hw initialization will check this */
2271 if (*optarg
== '?') {
2272 list_cpus(stdout
, &fprintf
, optarg
);
2278 case QEMU_OPTION_initrd
:
2279 initrd_filename
= optarg
;
2281 case QEMU_OPTION_hda
:
2285 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2287 snprintf(buf
, sizeof(buf
),
2288 "%s,cyls=%d,heads=%d,secs=%d%s",
2289 HD_OPTS
, cyls
, heads
, secs
,
2290 translation
== BIOS_ATA_TRANSLATION_LBA
?
2292 translation
== BIOS_ATA_TRANSLATION_NONE
?
2293 ",trans=none" : "");
2294 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2297 case QEMU_OPTION_hdb
:
2298 case QEMU_OPTION_hdc
:
2299 case QEMU_OPTION_hdd
:
2300 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2303 case QEMU_OPTION_drive
:
2304 if (drive_def(optarg
) == NULL
) {
2308 case QEMU_OPTION_set
:
2309 if (qemu_set_option(optarg
) != 0)
2312 case QEMU_OPTION_global
:
2313 if (qemu_global_option(optarg
) != 0)
2316 case QEMU_OPTION_mtdblock
:
2317 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2319 case QEMU_OPTION_sd
:
2320 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2322 case QEMU_OPTION_pflash
:
2323 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2325 case QEMU_OPTION_snapshot
:
2328 case QEMU_OPTION_hdachs
:
2332 cyls
= strtol(p
, (char **)&p
, 0);
2333 if (cyls
< 1 || cyls
> 16383)
2338 heads
= strtol(p
, (char **)&p
, 0);
2339 if (heads
< 1 || heads
> 16)
2344 secs
= strtol(p
, (char **)&p
, 0);
2345 if (secs
< 1 || secs
> 63)
2349 if (!strcmp(p
, "none"))
2350 translation
= BIOS_ATA_TRANSLATION_NONE
;
2351 else if (!strcmp(p
, "lba"))
2352 translation
= BIOS_ATA_TRANSLATION_LBA
;
2353 else if (!strcmp(p
, "auto"))
2354 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2357 } else if (*p
!= '\0') {
2359 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2362 if (hda_opts
!= NULL
) {
2364 snprintf(num
, sizeof(num
), "%d", cyls
);
2365 qemu_opt_set(hda_opts
, "cyls", num
);
2366 snprintf(num
, sizeof(num
), "%d", heads
);
2367 qemu_opt_set(hda_opts
, "heads", num
);
2368 snprintf(num
, sizeof(num
), "%d", secs
);
2369 qemu_opt_set(hda_opts
, "secs", num
);
2370 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2371 qemu_opt_set(hda_opts
, "trans", "lba");
2372 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2373 qemu_opt_set(hda_opts
, "trans", "none");
2377 case QEMU_OPTION_numa
:
2378 if (nb_numa_nodes
>= MAX_NODES
) {
2379 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2384 case QEMU_OPTION_display
:
2385 display_type
= select_display(optarg
);
2387 case QEMU_OPTION_nographic
:
2388 display_type
= DT_NOGRAPHIC
;
2390 case QEMU_OPTION_curses
:
2391 #ifdef CONFIG_CURSES
2392 display_type
= DT_CURSES
;
2394 fprintf(stderr
, "Curses support is disabled\n");
2398 case QEMU_OPTION_portrait
:
2399 graphic_rotate
= 90;
2401 case QEMU_OPTION_rotate
:
2402 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2403 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2404 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2406 "qemu: only 90, 180, 270 deg rotation is available\n");
2410 case QEMU_OPTION_kernel
:
2411 kernel_filename
= optarg
;
2413 case QEMU_OPTION_append
:
2414 kernel_cmdline
= optarg
;
2416 case QEMU_OPTION_cdrom
:
2417 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2419 case QEMU_OPTION_boot
:
2421 static const char * const params
[] = {
2422 "order", "once", "menu",
2423 "splash", "splash-time", NULL
2425 char buf
[sizeof(boot_devices
)];
2426 char *standard_boot_devices
;
2429 if (!strchr(optarg
, '=')) {
2431 pstrcpy(buf
, sizeof(buf
), optarg
);
2432 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2434 "qemu: unknown boot parameter '%s' in '%s'\n",
2440 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2441 validate_bootdevices(buf
);
2442 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2445 if (get_param_value(buf
, sizeof(buf
),
2447 validate_bootdevices(buf
);
2448 standard_boot_devices
= g_strdup(boot_devices
);
2449 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2450 qemu_register_reset(restore_boot_devices
,
2451 standard_boot_devices
);
2453 if (get_param_value(buf
, sizeof(buf
),
2455 if (!strcmp(buf
, "on")) {
2457 } else if (!strcmp(buf
, "off")) {
2461 "qemu: invalid option value '%s'\n",
2466 qemu_opts_parse(qemu_find_opts("boot-opts"),
2471 case QEMU_OPTION_fda
:
2472 case QEMU_OPTION_fdb
:
2473 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2476 case QEMU_OPTION_no_fd_bootchk
:
2479 case QEMU_OPTION_netdev
:
2480 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2484 case QEMU_OPTION_net
:
2485 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2490 case QEMU_OPTION_tftp
:
2491 legacy_tftp_prefix
= optarg
;
2493 case QEMU_OPTION_bootp
:
2494 legacy_bootp_filename
= optarg
;
2496 case QEMU_OPTION_redir
:
2497 if (net_slirp_redir(optarg
) < 0)
2501 case QEMU_OPTION_bt
:
2502 add_device_config(DEV_BT
, optarg
);
2504 case QEMU_OPTION_audio_help
:
2505 if (!(audio_available())) {
2506 printf("Option %s not supported for this target\n", popt
->name
);
2512 case QEMU_OPTION_soundhw
:
2513 if (!(audio_available())) {
2514 printf("Option %s not supported for this target\n", popt
->name
);
2517 select_soundhw (optarg
);
2522 case QEMU_OPTION_version
:
2526 case QEMU_OPTION_m
: {
2530 value
= strtosz(optarg
, &end
);
2531 if (value
< 0 || *end
) {
2532 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2536 if (value
!= (uint64_t)(ram_addr_t
)value
) {
2537 fprintf(stderr
, "qemu: ram size too large\n");
2543 case QEMU_OPTION_mempath
:
2547 case QEMU_OPTION_mem_prealloc
:
2558 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
2560 case QEMU_OPTION_gdb
:
2561 gdbstub_dev
= optarg
;
2566 case QEMU_OPTION_bios
:
2569 case QEMU_OPTION_singlestep
:
2576 keyboard_layout
= optarg
;
2578 case QEMU_OPTION_localtime
:
2581 case QEMU_OPTION_vga
:
2582 select_vgahw (optarg
);
2589 w
= strtol(p
, (char **)&p
, 10);
2592 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2598 h
= strtol(p
, (char **)&p
, 10);
2603 depth
= strtol(p
, (char **)&p
, 10);
2604 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2605 depth
!= 24 && depth
!= 32)
2607 } else if (*p
== '\0') {
2608 depth
= graphic_depth
;
2615 graphic_depth
= depth
;
2618 case QEMU_OPTION_echr
:
2621 term_escape_char
= strtol(optarg
, &r
, 0);
2623 printf("Bad argument to echr\n");
2626 case QEMU_OPTION_monitor
:
2627 monitor_parse(optarg
, "readline");
2628 default_monitor
= 0;
2630 case QEMU_OPTION_qmp
:
2631 monitor_parse(optarg
, "control");
2632 default_monitor
= 0;
2634 case QEMU_OPTION_mon
:
2635 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2639 default_monitor
= 0;
2641 case QEMU_OPTION_chardev
:
2642 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2647 case QEMU_OPTION_fsdev
:
2648 olist
= qemu_find_opts("fsdev");
2650 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
2653 opts
= qemu_opts_parse(olist
, optarg
, 1);
2655 fprintf(stderr
, "parse error: %s\n", optarg
);
2659 case QEMU_OPTION_virtfs
: {
2662 const char *writeout
;
2664 olist
= qemu_find_opts("virtfs");
2666 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
2669 opts
= qemu_opts_parse(olist
, optarg
, 1);
2671 fprintf(stderr
, "parse error: %s\n", optarg
);
2675 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
2676 qemu_opt_get(opts
, "mount_tag") == NULL
||
2677 qemu_opt_get(opts
, "path") == NULL
) {
2678 fprintf(stderr
, "Usage: -virtfs fsdriver,path=/share_path/,"
2679 "[security_model={mapped|passthrough|none}],"
2680 "mount_tag=tag.\n");
2683 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
2684 qemu_opt_get(opts
, "mount_tag"), 1);
2686 fprintf(stderr
, "duplicate fsdev id: %s\n",
2687 qemu_opt_get(opts
, "mount_tag"));
2691 writeout
= qemu_opt_get(opts
, "writeout");
2693 #ifdef CONFIG_SYNC_FILE_RANGE
2694 qemu_opt_set(fsdev
, "writeout", writeout
);
2696 fprintf(stderr
, "writeout=immediate not supported on "
2701 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
2702 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
2703 qemu_opt_set(fsdev
, "security_model",
2704 qemu_opt_get(opts
, "security_model"));
2706 qemu_opt_set_bool(fsdev
, "readonly",
2707 qemu_opt_get_bool(opts
, "readonly", 0));
2708 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
2709 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2710 qemu_opt_set(device
, "fsdev",
2711 qemu_opt_get(opts
, "mount_tag"));
2712 qemu_opt_set(device
, "mount_tag",
2713 qemu_opt_get(opts
, "mount_tag"));
2716 case QEMU_OPTION_virtfs_synth
: {
2720 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2722 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
2725 qemu_opt_set(fsdev
, "fsdriver", "synth");
2726 qemu_opt_set(fsdev
, "path", "/"); /* ignored */
2728 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
2729 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2730 qemu_opt_set(device
, "fsdev", "v_synth");
2731 qemu_opt_set(device
, "mount_tag", "v_synth");
2734 case QEMU_OPTION_serial
:
2735 add_device_config(DEV_SERIAL
, optarg
);
2737 if (strncmp(optarg
, "mon:", 4) == 0) {
2738 default_monitor
= 0;
2741 case QEMU_OPTION_watchdog
:
2744 "qemu: only one watchdog option may be given\n");
2749 case QEMU_OPTION_watchdog_action
:
2750 if (select_watchdog_action(optarg
) == -1) {
2751 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
2755 case QEMU_OPTION_virtiocon
:
2756 add_device_config(DEV_VIRTCON
, optarg
);
2757 default_virtcon
= 0;
2758 if (strncmp(optarg
, "mon:", 4) == 0) {
2759 default_monitor
= 0;
2762 case QEMU_OPTION_parallel
:
2763 add_device_config(DEV_PARALLEL
, optarg
);
2764 default_parallel
= 0;
2765 if (strncmp(optarg
, "mon:", 4) == 0) {
2766 default_monitor
= 0;
2769 case QEMU_OPTION_debugcon
:
2770 add_device_config(DEV_DEBUGCON
, optarg
);
2772 case QEMU_OPTION_loadvm
:
2775 case QEMU_OPTION_full_screen
:
2779 case QEMU_OPTION_no_frame
:
2782 case QEMU_OPTION_alt_grab
:
2785 case QEMU_OPTION_ctrl_grab
:
2788 case QEMU_OPTION_no_quit
:
2791 case QEMU_OPTION_sdl
:
2792 display_type
= DT_SDL
;
2795 case QEMU_OPTION_no_frame
:
2796 case QEMU_OPTION_alt_grab
:
2797 case QEMU_OPTION_ctrl_grab
:
2798 case QEMU_OPTION_no_quit
:
2799 case QEMU_OPTION_sdl
:
2800 fprintf(stderr
, "SDL support is disabled\n");
2803 case QEMU_OPTION_pidfile
:
2806 case QEMU_OPTION_win2k_hack
:
2807 win2k_install_hack
= 1;
2809 case QEMU_OPTION_rtc_td_hack
:
2812 case QEMU_OPTION_acpitable
:
2813 do_acpitable_option(optarg
);
2815 case QEMU_OPTION_smbios
:
2816 do_smbios_option(optarg
);
2818 case QEMU_OPTION_enable_kvm
:
2819 olist
= qemu_find_opts("machine");
2820 qemu_opts_reset(olist
);
2821 qemu_opts_parse(olist
, "accel=kvm", 0);
2823 case QEMU_OPTION_machine
:
2824 olist
= qemu_find_opts("machine");
2825 qemu_opts_reset(olist
);
2826 opts
= qemu_opts_parse(olist
, optarg
, 1);
2828 fprintf(stderr
, "parse error: %s\n", optarg
);
2831 optarg
= qemu_opt_get(opts
, "type");
2833 machine
= machine_parse(optarg
);
2836 case QEMU_OPTION_usb
:
2839 case QEMU_OPTION_usbdevice
:
2841 add_device_config(DEV_USB
, optarg
);
2843 case QEMU_OPTION_device
:
2844 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
2848 case QEMU_OPTION_smp
:
2851 fprintf(stderr
, "Invalid number of CPUs\n");
2854 if (max_cpus
< smp_cpus
) {
2855 fprintf(stderr
, "maxcpus must be equal to or greater than "
2859 if (max_cpus
> 255) {
2860 fprintf(stderr
, "Unsupported number of maxcpus\n");
2864 case QEMU_OPTION_vnc
:
2867 vnc_display
= optarg
;
2869 fprintf(stderr
, "VNC support is disabled\n");
2873 case QEMU_OPTION_no_acpi
:
2876 case QEMU_OPTION_no_hpet
:
2879 case QEMU_OPTION_balloon
:
2880 if (balloon_parse(optarg
) < 0) {
2881 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
2885 case QEMU_OPTION_no_reboot
:
2888 case QEMU_OPTION_no_shutdown
:
2891 case QEMU_OPTION_show_cursor
:
2894 case QEMU_OPTION_uuid
:
2895 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
2896 fprintf(stderr
, "Fail to parse UUID string."
2897 " Wrong format.\n");
2901 case QEMU_OPTION_option_rom
:
2902 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
2903 fprintf(stderr
, "Too many option ROMs\n");
2906 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
2907 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
2908 option_rom
[nb_option_roms
].bootindex
=
2909 qemu_opt_get_number(opts
, "bootindex", -1);
2910 if (!option_rom
[nb_option_roms
].name
) {
2911 fprintf(stderr
, "Option ROM file is not specified\n");
2916 case QEMU_OPTION_semihosting
:
2917 semihosting_enabled
= 1;
2919 case QEMU_OPTION_name
:
2920 qemu_name
= g_strdup(optarg
);
2922 char *p
= strchr(qemu_name
, ',');
2925 if (strncmp(p
, "process=", 8)) {
2926 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
2930 os_set_proc_name(p
);
2934 case QEMU_OPTION_prom_env
:
2935 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
2936 fprintf(stderr
, "Too many prom variables\n");
2939 prom_envs
[nb_prom_envs
] = optarg
;
2942 case QEMU_OPTION_old_param
:
2945 case QEMU_OPTION_clock
:
2946 configure_alarms(optarg
);
2948 case QEMU_OPTION_startdate
:
2949 configure_rtc_date_offset(optarg
, 1);
2951 case QEMU_OPTION_rtc
:
2952 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
2956 configure_rtc(opts
);
2958 case QEMU_OPTION_tb_size
:
2959 tcg_tb_size
= strtol(optarg
, NULL
, 0);
2960 if (tcg_tb_size
< 0) {
2964 case QEMU_OPTION_icount
:
2965 icount_option
= optarg
;
2967 case QEMU_OPTION_incoming
:
2970 case QEMU_OPTION_nodefaults
:
2972 default_parallel
= 0;
2973 default_virtcon
= 0;
2974 default_monitor
= 0;
2981 case QEMU_OPTION_xen_domid
:
2982 if (!(xen_available())) {
2983 printf("Option %s not supported for this target\n", popt
->name
);
2986 xen_domid
= atoi(optarg
);
2988 case QEMU_OPTION_xen_create
:
2989 if (!(xen_available())) {
2990 printf("Option %s not supported for this target\n", popt
->name
);
2993 xen_mode
= XEN_CREATE
;
2995 case QEMU_OPTION_xen_attach
:
2996 if (!(xen_available())) {
2997 printf("Option %s not supported for this target\n", popt
->name
);
3000 xen_mode
= XEN_ATTACH
;
3002 case QEMU_OPTION_trace
:
3004 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3008 trace_events
= qemu_opt_get(opts
, "events");
3009 trace_file
= qemu_opt_get(opts
, "file");
3012 case QEMU_OPTION_readconfig
:
3014 int ret
= qemu_read_config_file(optarg
);
3016 fprintf(stderr
, "read config %s: %s\n", optarg
,
3022 case QEMU_OPTION_spice
:
3023 olist
= qemu_find_opts("spice");
3025 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3028 opts
= qemu_opts_parse(olist
, optarg
, 0);
3030 fprintf(stderr
, "parse error: %s\n", optarg
);
3034 case QEMU_OPTION_writeconfig
:
3037 if (strcmp(optarg
, "-") == 0) {
3040 fp
= fopen(optarg
, "w");
3042 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3046 qemu_config_write(fp
);
3051 os_parse_cmd_args(popt
->index
, optarg
);
3057 /* Open the logfile at this point, if necessary. We can't open the logfile
3058 * when encountering either of the logging options (-d or -D) because the
3059 * other one may be encountered later on the command line, changing the
3060 * location or level of logging.
3064 set_cpu_log_filename(log_file
);
3066 set_cpu_log(log_mask
);
3069 if (!trace_backend_init(trace_events
, trace_file
)) {
3073 /* If no data_dir is specified then try to find it relative to the
3076 data_dir
= os_find_datadir(argv
[0]);
3078 /* If all else fails use the install path specified when building. */
3080 data_dir
= CONFIG_QEMU_DATADIR
;
3083 if (machine
== NULL
) {
3084 fprintf(stderr
, "No machine found.\n");
3089 * Default to max_cpus = smp_cpus, in case the user doesn't
3090 * specify a max_cpus value.
3093 max_cpus
= smp_cpus
;
3095 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3096 if (smp_cpus
> machine
->max_cpus
) {
3097 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3098 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3104 * Get the default machine options from the machine if it is not already
3105 * specified either by the configuration file or by the command line.
3107 if (machine
->default_machine_opts
) {
3108 QemuOptsList
*list
= qemu_find_opts("machine");
3109 const char *p
= NULL
;
3111 if (!QTAILQ_EMPTY(&list
->head
)) {
3112 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
3115 qemu_opts_reset(list
);
3116 opts
= qemu_opts_parse(list
, machine
->default_machine_opts
, 0);
3118 fprintf(stderr
, "parse error for machine %s: %s\n",
3119 machine
->name
, machine
->default_machine_opts
);
3125 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3126 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3128 if (machine
->no_serial
) {
3131 if (machine
->no_parallel
) {
3132 default_parallel
= 0;
3134 if (!machine
->use_virtcon
) {
3135 default_virtcon
= 0;
3137 if (machine
->no_vga
) {
3140 if (machine
->no_floppy
) {
3143 if (machine
->no_cdrom
) {
3146 if (machine
->no_sdcard
) {
3150 if (display_type
== DT_NOGRAPHIC
) {
3151 if (default_parallel
)
3152 add_device_config(DEV_PARALLEL
, "null");
3153 if (default_serial
&& default_monitor
) {
3154 add_device_config(DEV_SERIAL
, "mon:stdio");
3155 } else if (default_virtcon
&& default_monitor
) {
3156 add_device_config(DEV_VIRTCON
, "mon:stdio");
3159 add_device_config(DEV_SERIAL
, "stdio");
3160 if (default_virtcon
)
3161 add_device_config(DEV_VIRTCON
, "stdio");
3162 if (default_monitor
)
3163 monitor_parse("stdio", "readline");
3167 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3168 if (default_parallel
)
3169 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3170 if (default_monitor
)
3171 monitor_parse("vc:80Cx24C", "readline");
3172 if (default_virtcon
)
3173 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3176 vga_interface_type
= VGA_CIRRUS
;
3180 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3182 #ifdef CONFIG_VIRTFS
3183 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3190 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3195 /* init the memory */
3196 if (ram_size
== 0) {
3197 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3200 configure_accelerator();
3202 qemu_init_cpu_loop();
3203 if (qemu_init_main_loop()) {
3204 fprintf(stderr
, "qemu_init_main_loop failed\n");
3207 linux_boot
= (kernel_filename
!= NULL
);
3209 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3210 fprintf(stderr
, "-append only allowed with -kernel option\n");
3214 if (!linux_boot
&& initrd_filename
!= NULL
) {
3215 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3219 os_set_line_buffering();
3221 if (init_timer_alarm() < 0) {
3222 fprintf(stderr
, "could not initialize alarm timer\n");
3226 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
3227 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
3230 configure_icount(icount_option
);
3232 if (net_init_clients() < 0) {
3236 /* init the bluetooth world */
3237 if (foreach_device_config(DEV_BT
, bt_parse
))
3240 if (!xen_enabled()) {
3241 /* On 32-bit hosts, QEMU is limited by virtual address space */
3242 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
3243 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
3248 cpu_exec_init_all();
3250 bdrv_init_with_whitelist();
3254 /* open the virtual block devices */
3256 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3257 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3260 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3261 IF_DEFAULT
, 2, CDROM_OPTS
);
3262 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3263 IF_FLOPPY
, 0, FD_OPTS
);
3264 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3267 register_savevm_live(NULL
, "ram", 0, 4, NULL
, ram_save_live
, NULL
,
3270 if (nb_numa_nodes
> 0) {
3273 if (nb_numa_nodes
> MAX_NODES
) {
3274 nb_numa_nodes
= MAX_NODES
;
3277 /* If no memory size if given for any node, assume the default case
3278 * and distribute the available memory equally across all nodes
3280 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3281 if (node_mem
[i
] != 0)
3284 if (i
== nb_numa_nodes
) {
3285 uint64_t usedmem
= 0;
3287 /* On Linux, the each node's border has to be 8MB aligned,
3288 * the final node gets the rest.
3290 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3291 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3292 usedmem
+= node_mem
[i
];
3294 node_mem
[i
] = ram_size
- usedmem
;
3297 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3298 if (node_cpumask
[i
] != 0)
3301 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3302 * must cope with this anyway, because there are BIOSes out there in
3303 * real machines which also use this scheme.
3305 if (i
== nb_numa_nodes
) {
3306 for (i
= 0; i
< smp_cpus
; i
++) {
3307 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
3312 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3316 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3318 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3320 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3322 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3325 module_call_init(MODULE_INIT_DEVICE
);
3327 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0) != 0)
3331 i
= select_watchdog(watchdog
);
3333 exit (i
== 1 ? 1 : 0);
3336 if (machine
->compat_props
) {
3337 qdev_prop_register_global_list(machine
->compat_props
);
3341 machine
->init(ram_size
, boot_devices
,
3342 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
3344 cpu_synchronize_all_post_init();
3348 current_machine
= machine
;
3350 /* init USB devices */
3352 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3356 /* init generic devices */
3357 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3360 net_check_clients();
3362 /* just use the first displaystate for the moment */
3363 ds
= get_displaystate();
3367 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3368 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3369 display_type
= DT_SDL
;
3370 #elif defined(CONFIG_VNC)
3371 vnc_display
= "localhost:0,to=99";
3374 display_type
= DT_NONE
;
3379 /* init local displays */
3380 switch (display_type
) {
3383 #if defined(CONFIG_CURSES)
3385 curses_display_init(ds
, full_screen
);
3388 #if defined(CONFIG_SDL)
3390 sdl_display_init(ds
, full_screen
, no_frame
);
3392 #elif defined(CONFIG_COCOA)
3394 cocoa_display_init(ds
, full_screen
);
3401 /* must be after terminal init, SDL library changes signal handlers */
3402 os_setup_signal_handling();
3405 /* init remote displays */
3407 vnc_display_init(ds
);
3408 if (vnc_display_open(ds
, vnc_display
) < 0)
3411 if (show_vnc_port
) {
3412 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3417 if (using_spice
&& !qxl_enabled
) {
3418 qemu_spice_display_init(ds
);
3424 dcl
= ds
->listeners
;
3425 while (dcl
!= NULL
) {
3426 if (dcl
->dpy_refresh
!= NULL
) {
3427 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
3428 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
3433 text_consoles_set_display(ds
);
3435 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
3436 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
3441 qdev_machine_creation_done();
3443 if (rom_load_all() != 0) {
3444 fprintf(stderr
, "rom loading failed\n");
3448 /* TODO: once all bus devices are qdevified, this should be done
3449 * when bus is created by qdev.c */
3450 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3451 qemu_run_machine_init_done_notifiers();
3453 qemu_system_reset(VMRESET_SILENT
);
3455 if (load_vmstate(loadvm
) < 0) {
3461 runstate_set(RUN_STATE_INMIGRATE
);
3462 int ret
= qemu_start_incoming_migration(incoming
);
3464 fprintf(stderr
, "Migration failed. Exit code %s(%d), exiting.\n",
3468 } else if (autostart
) {