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"
146 #include "qemu-option.h"
147 #include "qemu-config.h"
148 #include "qemu-objects.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
152 #include "fsdev/qemu-fsdev.h"
157 #include "qemu_socket.h"
159 #include "slirp/libslirp.h"
162 #include "trace/control.h"
163 #include "qemu-queue.h"
165 #include "arch_init.h"
167 #include "ui/qemu-spice.h"
170 //#define DEBUG_SLIRP
172 #define DEFAULT_RAM_SIZE 128
174 #define MAX_VIRTIO_CONSOLES 1
176 static const char *data_dir
;
177 const char *bios_name
= NULL
;
178 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
179 DisplayType display_type
= DT_DEFAULT
;
180 int display_remote
= 0;
181 const char* keyboard_layout
= NULL
;
183 const char *mem_path
= NULL
;
185 int mem_prealloc
= 0; /* force preallocation of physical target memory */
188 NICInfo nd_table
[MAX_NICS
];
190 static int rtc_utc
= 1;
191 static int rtc_date_offset
= -1; /* -1 means no change */
192 QEMUClock
*rtc_clock
;
193 int vga_interface_type
= VGA_NONE
;
194 static int full_screen
= 0;
196 static int no_frame
= 0;
199 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
200 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
201 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
202 int win2k_install_hack
= 0;
211 const char *vnc_display
;
213 int acpi_enabled
= 1;
219 int graphic_rotate
= 0;
220 uint8_t irq0override
= 1;
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 static QEMUTimer
*nographic_timer
;
253 uint8_t qemu_uuid
[16];
255 static QEMUBootSetHandler
*boot_set_handler
;
256 static void *boot_set_opaque
;
258 static NotifierList exit_notifiers
=
259 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
261 static NotifierList machine_init_done_notifiers
=
262 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
264 static int tcg_allowed
= 1;
268 enum xen_mode xen_mode
= XEN_EMULATE
;
269 static int tcg_tb_size
;
271 static int default_serial
= 1;
272 static int default_parallel
= 1;
273 static int default_virtcon
= 1;
274 static int default_monitor
= 1;
275 static int default_vga
= 1;
276 static int default_floppy
= 1;
277 static int default_cdrom
= 1;
278 static int default_sdcard
= 1;
284 { .driver
= "isa-serial", .flag
= &default_serial
},
285 { .driver
= "isa-parallel", .flag
= &default_parallel
},
286 { .driver
= "isa-fdc", .flag
= &default_floppy
},
287 { .driver
= "ide-cd", .flag
= &default_cdrom
},
288 { .driver
= "ide-hd", .flag
= &default_cdrom
},
289 { .driver
= "ide-drive", .flag
= &default_cdrom
},
290 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
291 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
292 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
293 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
294 { .driver
= "VGA", .flag
= &default_vga
},
295 { .driver
= "cirrus-vga", .flag
= &default_vga
},
296 { .driver
= "vmware-svga", .flag
= &default_vga
},
297 { .driver
= "isa-vga", .flag
= &default_vga
},
298 { .driver
= "qxl-vga", .flag
= &default_vga
},
301 static void res_free(void)
303 if (boot_splash_filedata
!= NULL
) {
304 g_free(boot_splash_filedata
);
305 boot_splash_filedata
= NULL
;
309 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
311 const char *driver
= qemu_opt_get(opts
, "driver");
316 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
317 if (strcmp(default_list
[i
].driver
, driver
) != 0)
319 *(default_list
[i
].flag
) = 0;
324 /***********************************************************/
327 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
332 } RunStateTransition
;
334 static const RunStateTransition runstate_transitions_def
[] = {
336 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
338 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
339 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
341 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
343 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
345 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
347 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
349 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
350 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
351 { RUN_STATE_PRELAUNCH
, RUN_STATE_POSTMIGRATE
},
353 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
354 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
356 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
358 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
359 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
360 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
361 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
362 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
363 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
364 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
365 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
366 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
368 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
370 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
372 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
374 { RUN_STATE_MAX
, RUN_STATE_MAX
},
377 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
379 bool runstate_check(RunState state
)
381 return current_run_state
== state
;
384 void runstate_init(void)
386 const RunStateTransition
*p
;
388 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
390 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
391 runstate_valid_transitions
[p
->from
][p
->to
] = true;
395 /* This function will abort() on invalid state transitions */
396 void runstate_set(RunState new_state
)
398 if (new_state
>= RUN_STATE_MAX
||
399 !runstate_valid_transitions
[current_run_state
][new_state
]) {
400 fprintf(stderr
, "invalid runstate transition\n");
404 current_run_state
= new_state
;
407 int runstate_is_running(void)
409 return runstate_check(RUN_STATE_RUNNING
);
412 StatusInfo
*qmp_query_status(Error
**errp
)
414 StatusInfo
*info
= g_malloc0(sizeof(*info
));
416 info
->running
= runstate_is_running();
417 info
->singlestep
= singlestep
;
418 info
->status
= current_run_state
;
423 /***********************************************************/
424 /* real time host monotonic timer */
426 /***********************************************************/
427 /* host time/date access */
428 void qemu_get_timedate(struct tm
*tm
, int offset
)
435 if (rtc_date_offset
== -1) {
439 ret
= localtime(&ti
);
441 ti
-= rtc_date_offset
;
445 memcpy(tm
, ret
, sizeof(struct tm
));
448 int qemu_timedate_diff(struct tm
*tm
)
452 if (rtc_date_offset
== -1)
454 seconds
= mktimegm(tm
);
456 seconds
= mktime(tm
);
458 seconds
= mktimegm(tm
) + rtc_date_offset
;
460 return seconds
- time(NULL
);
463 void rtc_change_mon_event(struct tm
*tm
)
467 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
468 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
469 qobject_decref(data
);
472 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
474 time_t rtc_start_date
;
477 if (!strcmp(startdate
, "now") && legacy
) {
478 rtc_date_offset
= -1;
480 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
488 } else if (sscanf(startdate
, "%d-%d-%d",
500 rtc_start_date
= mktimegm(&tm
);
501 if (rtc_start_date
== -1) {
503 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
504 "'2006-06-17T16:01:21' or '2006-06-17'\n");
507 rtc_date_offset
= time(NULL
) - rtc_start_date
;
511 static void configure_rtc(QemuOpts
*opts
)
515 value
= qemu_opt_get(opts
, "base");
517 if (!strcmp(value
, "utc")) {
519 } else if (!strcmp(value
, "localtime")) {
522 configure_rtc_date_offset(value
, 0);
525 value
= qemu_opt_get(opts
, "clock");
527 if (!strcmp(value
, "host")) {
528 rtc_clock
= host_clock
;
529 } else if (!strcmp(value
, "vm")) {
530 rtc_clock
= vm_clock
;
532 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
536 value
= qemu_opt_get(opts
, "driftfix");
538 if (!strcmp(value
, "slew")) {
540 } else if (!strcmp(value
, "none")) {
543 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
549 /***********************************************************/
550 /* Bluetooth support */
553 static struct HCIInfo
*hci_table
[MAX_NICS
];
555 static struct bt_vlan_s
{
556 struct bt_scatternet_s net
;
558 struct bt_vlan_s
*next
;
561 /* find or alloc a new bluetooth "VLAN" */
562 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
564 struct bt_vlan_s
**pvlan
, *vlan
;
565 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
569 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
571 pvlan
= &first_bt_vlan
;
572 while (*pvlan
!= NULL
)
573 pvlan
= &(*pvlan
)->next
;
578 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
582 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
587 static struct HCIInfo null_hci
= {
588 .cmd_send
= null_hci_send
,
589 .sco_send
= null_hci_send
,
590 .acl_send
= null_hci_send
,
591 .bdaddr_set
= null_hci_addr_set
,
594 struct HCIInfo
*qemu_next_hci(void)
596 if (cur_hci
== nb_hcis
)
599 return hci_table
[cur_hci
++];
602 static struct HCIInfo
*hci_init(const char *str
)
605 struct bt_scatternet_s
*vlan
= 0;
607 if (!strcmp(str
, "null"))
610 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
612 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
613 else if (!strncmp(str
, "hci", 3)) {
616 if (!strncmp(str
+ 3, ",vlan=", 6)) {
617 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
622 vlan
= qemu_find_bt_vlan(0);
624 return bt_new_hci(vlan
);
627 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
632 static int bt_hci_parse(const char *str
)
637 if (nb_hcis
>= MAX_NICS
) {
638 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
651 bdaddr
.b
[5] = 0x56 + nb_hcis
;
652 hci
->bdaddr_set(hci
, bdaddr
.b
);
654 hci_table
[nb_hcis
++] = hci
;
659 static void bt_vhci_add(int vlan_id
)
661 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
664 fprintf(stderr
, "qemu: warning: adding a VHCI to "
665 "an empty scatternet %i\n", vlan_id
);
667 bt_vhci_init(bt_new_hci(vlan
));
670 static struct bt_device_s
*bt_device_add(const char *opt
)
672 struct bt_scatternet_s
*vlan
;
674 char *endp
= strstr(opt
, ",vlan=");
675 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
678 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
681 vlan_id
= strtol(endp
+ 6, &endp
, 0);
683 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
688 vlan
= qemu_find_bt_vlan(vlan_id
);
691 fprintf(stderr
, "qemu: warning: adding a slave device to "
692 "an empty scatternet %i\n", vlan_id
);
694 if (!strcmp(devname
, "keyboard"))
695 return bt_keyboard_init(vlan
);
697 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
701 static int bt_parse(const char *opt
)
703 const char *endp
, *p
;
706 if (strstart(opt
, "hci", &endp
)) {
707 if (!*endp
|| *endp
== ',') {
709 if (!strstart(endp
, ",vlan=", 0))
712 return bt_hci_parse(opt
);
714 } else if (strstart(opt
, "vhci", &endp
)) {
715 if (!*endp
|| *endp
== ',') {
717 if (strstart(endp
, ",vlan=", &p
)) {
718 vlan
= strtol(p
, (char **) &endp
, 0);
720 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
724 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
733 } else if (strstart(opt
, "device:", &endp
))
734 return !bt_device_add(endp
);
736 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
740 /***********************************************************/
741 /* QEMU Block devices */
743 #define HD_OPTS "media=disk"
744 #define CDROM_OPTS "media=cdrom"
746 #define PFLASH_OPTS ""
750 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
752 int *use_scsi
= opaque
;
754 return drive_init(opts
, *use_scsi
) == NULL
;
757 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
759 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
760 qemu_opt_set(opts
, "snapshot", "on");
765 static void default_drive(int enable
, int snapshot
, int use_scsi
,
766 BlockInterfaceType type
, int index
,
771 if (type
== IF_DEFAULT
) {
772 type
= use_scsi
? IF_SCSI
: IF_IDE
;
775 if (!enable
|| drive_get_by_index(type
, index
)) {
779 opts
= drive_add(type
, index
, NULL
, optstr
);
781 drive_enable_snapshot(opts
, NULL
);
783 if (!drive_init(opts
, use_scsi
)) {
788 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
790 boot_set_handler
= func
;
791 boot_set_opaque
= opaque
;
794 int qemu_boot_set(const char *boot_devices
)
796 if (!boot_set_handler
) {
799 return boot_set_handler(boot_set_opaque
, boot_devices
);
802 static void validate_bootdevices(char *devices
)
804 /* We just do some generic consistency checks */
808 for (p
= devices
; *p
!= '\0'; p
++) {
809 /* Allowed boot devices are:
810 * a-b: floppy disk drives
811 * c-f: IDE disk drives
812 * g-m: machine implementation dependant drives
813 * n-p: network devices
814 * It's up to each machine implementation to check if the given boot
815 * devices match the actual hardware implementation and firmware
818 if (*p
< 'a' || *p
> 'p') {
819 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
822 if (bitmap
& (1 << (*p
- 'a'))) {
823 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
826 bitmap
|= 1 << (*p
- 'a');
830 static void restore_boot_devices(void *opaque
)
832 char *standard_boot_devices
= opaque
;
833 static int first
= 1;
835 /* Restore boot order and remove ourselves after the first boot */
841 qemu_boot_set(standard_boot_devices
);
843 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
844 g_free(standard_boot_devices
);
847 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
850 FWBootEntry
*node
, *i
;
856 assert(dev
!= NULL
|| suffix
!= NULL
);
858 node
= g_malloc0(sizeof(FWBootEntry
));
859 node
->bootindex
= bootindex
;
860 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
863 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
864 if (i
->bootindex
== bootindex
) {
865 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
867 } else if (i
->bootindex
< bootindex
) {
870 QTAILQ_INSERT_BEFORE(i
, node
, link
);
873 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
877 * This function returns null terminated string that consist of new line
878 * separated device paths.
880 * memory pointed by "size" is assigned total length of the array in bytes
883 char *get_boot_devices_list(uint32_t *size
)
889 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
890 char *devpath
= NULL
, *bootpath
;
894 devpath
= qdev_get_fw_dev_path(i
->dev
);
898 if (i
->suffix
&& devpath
) {
899 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
901 bootpath
= g_malloc(bootpathlen
);
902 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
904 } else if (devpath
) {
907 bootpath
= g_strdup(i
->suffix
);
912 list
[total
-1] = '\n';
914 len
= strlen(bootpath
) + 1;
915 list
= g_realloc(list
, total
+ len
);
916 memcpy(&list
[total
], bootpath
, len
);
926 static void numa_add(const char *optarg
)
930 unsigned long long value
, endvalue
;
933 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
934 if (!strcmp(option
, "node")) {
935 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
936 nodenr
= nb_numa_nodes
;
938 nodenr
= strtoull(option
, NULL
, 10);
941 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
942 node_mem
[nodenr
] = 0;
945 sval
= strtosz(option
, NULL
);
947 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
950 node_mem
[nodenr
] = sval
;
952 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
953 node_cpumask
[nodenr
] = 0;
955 value
= strtoull(option
, &endptr
, 10);
958 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
960 if (*endptr
== '-') {
961 endvalue
= strtoull(endptr
+1, &endptr
, 10);
962 if (endvalue
>= 63) {
965 "only 63 CPUs in NUMA mode supported.\n");
967 value
= (2ULL << endvalue
) - (1ULL << value
);
969 value
= 1ULL << value
;
972 node_cpumask
[nodenr
] = value
;
979 static void smp_parse(const char *optarg
)
981 int smp
, sockets
= 0, threads
= 0, cores
= 0;
985 smp
= strtoul(optarg
, &endptr
, 10);
986 if (endptr
!= optarg
) {
987 if (*endptr
== ',') {
991 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
992 sockets
= strtoull(option
, NULL
, 10);
993 if (get_param_value(option
, 128, "cores", endptr
) != 0)
994 cores
= strtoull(option
, NULL
, 10);
995 if (get_param_value(option
, 128, "threads", endptr
) != 0)
996 threads
= strtoull(option
, NULL
, 10);
997 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
998 max_cpus
= strtoull(option
, NULL
, 10);
1000 /* compute missing values, prefer sockets over cores over threads */
1001 if (smp
== 0 || sockets
== 0) {
1002 sockets
= sockets
> 0 ? sockets
: 1;
1003 cores
= cores
> 0 ? cores
: 1;
1004 threads
= threads
> 0 ? threads
: 1;
1006 smp
= cores
* threads
* sockets
;
1010 threads
= threads
> 0 ? threads
: 1;
1011 cores
= smp
/ (sockets
* threads
);
1013 threads
= smp
/ (cores
* sockets
);
1017 smp_cores
= cores
> 0 ? cores
: 1;
1018 smp_threads
= threads
> 0 ? threads
: 1;
1020 max_cpus
= smp_cpus
;
1023 /***********************************************************/
1026 static int usb_device_add(const char *devname
)
1029 USBDevice
*dev
= NULL
;
1034 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1035 dev
= usbdevice_create(devname
);
1039 /* the other ones */
1040 #ifndef CONFIG_LINUX
1041 /* only the linux version is qdev-ified, usb-bsd still needs this */
1042 if (strstart(devname
, "host:", &p
)) {
1043 dev
= usb_host_device_open(p
);
1046 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1047 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
1048 bt_new_hci(qemu_find_bt_vlan(0)));
1059 static int usb_device_del(const char *devname
)
1064 if (strstart(devname
, "host:", &p
))
1065 return usb_host_device_close(p
);
1070 p
= strchr(devname
, '.');
1073 bus_num
= strtoul(devname
, NULL
, 0);
1074 addr
= strtoul(p
+ 1, NULL
, 0);
1076 return usb_device_delete_addr(bus_num
, addr
);
1079 static int usb_parse(const char *cmdline
)
1082 r
= usb_device_add(cmdline
);
1084 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1089 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1091 const char *devname
= qdict_get_str(qdict
, "devname");
1092 if (usb_device_add(devname
) < 0) {
1093 error_report("could not add USB device '%s'", devname
);
1097 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1099 const char *devname
= qdict_get_str(qdict
, "devname");
1100 if (usb_device_del(devname
) < 0) {
1101 error_report("could not delete USB device '%s'", devname
);
1105 /***********************************************************/
1106 /* PCMCIA/Cardbus */
1108 static struct pcmcia_socket_entry_s
{
1109 PCMCIASocket
*socket
;
1110 struct pcmcia_socket_entry_s
*next
;
1111 } *pcmcia_sockets
= 0;
1113 void pcmcia_socket_register(PCMCIASocket
*socket
)
1115 struct pcmcia_socket_entry_s
*entry
;
1117 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1118 entry
->socket
= socket
;
1119 entry
->next
= pcmcia_sockets
;
1120 pcmcia_sockets
= entry
;
1123 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1125 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1127 ptr
= &pcmcia_sockets
;
1128 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1129 if (entry
->socket
== socket
) {
1135 void pcmcia_info(Monitor
*mon
)
1137 struct pcmcia_socket_entry_s
*iter
;
1139 if (!pcmcia_sockets
)
1140 monitor_printf(mon
, "No PCMCIA sockets\n");
1142 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1143 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1144 iter
->socket
->attached
? iter
->socket
->card_string
:
1148 /***********************************************************/
1149 /* machine registration */
1151 static QEMUMachine
*first_machine
= NULL
;
1152 QEMUMachine
*current_machine
= NULL
;
1154 int qemu_register_machine(QEMUMachine
*m
)
1157 pm
= &first_machine
;
1165 static QEMUMachine
*find_machine(const char *name
)
1169 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1170 if (!strcmp(m
->name
, name
))
1172 if (m
->alias
&& !strcmp(m
->alias
, name
))
1178 static QEMUMachine
*find_default_machine(void)
1182 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1183 if (m
->is_default
) {
1190 /***********************************************************/
1191 /* main execution loop */
1193 static void gui_update(void *opaque
)
1195 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1196 DisplayState
*ds
= opaque
;
1197 DisplayChangeListener
*dcl
= ds
->listeners
;
1199 qemu_flush_coalesced_mmio_buffer();
1202 while (dcl
!= NULL
) {
1203 if (dcl
->gui_timer_interval
&&
1204 dcl
->gui_timer_interval
< interval
)
1205 interval
= dcl
->gui_timer_interval
;
1208 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1211 static void nographic_update(void *opaque
)
1213 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1215 qemu_flush_coalesced_mmio_buffer();
1216 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1219 struct vm_change_state_entry
{
1220 VMChangeStateHandler
*cb
;
1222 QLIST_ENTRY (vm_change_state_entry
) entries
;
1225 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1227 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1230 VMChangeStateEntry
*e
;
1232 e
= g_malloc0(sizeof (*e
));
1236 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1240 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1242 QLIST_REMOVE (e
, entries
);
1246 void vm_state_notify(int running
, RunState state
)
1248 VMChangeStateEntry
*e
;
1250 trace_vm_state_notify(running
, state
);
1252 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1253 e
->cb(e
->opaque
, running
, state
);
1259 if (!runstate_is_running()) {
1261 runstate_set(RUN_STATE_RUNNING
);
1262 vm_state_notify(1, RUN_STATE_RUNNING
);
1264 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1268 /* reset/shutdown handler */
1270 typedef struct QEMUResetEntry
{
1271 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1272 QEMUResetHandler
*func
;
1276 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1277 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1278 static int reset_requested
;
1279 static int shutdown_requested
, shutdown_signal
= -1;
1280 static pid_t shutdown_pid
;
1281 static int powerdown_requested
;
1282 static int debug_requested
;
1283 static RunState vmstop_requested
= RUN_STATE_MAX
;
1285 int qemu_shutdown_requested_get(void)
1287 return shutdown_requested
;
1290 int qemu_reset_requested_get(void)
1292 return reset_requested
;
1295 int qemu_shutdown_requested(void)
1297 int r
= shutdown_requested
;
1298 shutdown_requested
= 0;
1302 void qemu_kill_report(void)
1304 if (shutdown_signal
!= -1) {
1305 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1306 if (shutdown_pid
== 0) {
1307 /* This happens for eg ^C at the terminal, so it's worth
1308 * avoiding printing an odd message in that case.
1310 fputc('\n', stderr
);
1312 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1314 shutdown_signal
= -1;
1318 int qemu_reset_requested(void)
1320 int r
= reset_requested
;
1321 reset_requested
= 0;
1325 int qemu_powerdown_requested(void)
1327 int r
= powerdown_requested
;
1328 powerdown_requested
= 0;
1332 static int qemu_debug_requested(void)
1334 int r
= debug_requested
;
1335 debug_requested
= 0;
1339 /* We use RUN_STATE_MAX but any invalid value will do */
1340 static bool qemu_vmstop_requested(RunState
*r
)
1342 if (vmstop_requested
< RUN_STATE_MAX
) {
1343 *r
= vmstop_requested
;
1344 vmstop_requested
= RUN_STATE_MAX
;
1351 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1353 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1356 re
->opaque
= opaque
;
1357 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1360 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1364 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1365 if (re
->func
== func
&& re
->opaque
== opaque
) {
1366 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1373 void qemu_system_reset(bool report
)
1375 QEMUResetEntry
*re
, *nre
;
1377 /* reset all devices */
1378 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1379 re
->func(re
->opaque
);
1382 monitor_protocol_event(QEVENT_RESET
, NULL
);
1384 cpu_synchronize_all_post_reset();
1387 void qemu_system_reset_request(void)
1390 shutdown_requested
= 1;
1392 reset_requested
= 1;
1395 qemu_notify_event();
1398 void qemu_system_killed(int signal
, pid_t pid
)
1400 shutdown_signal
= signal
;
1403 qemu_system_shutdown_request();
1406 void qemu_system_shutdown_request(void)
1408 shutdown_requested
= 1;
1409 qemu_notify_event();
1412 void qemu_system_powerdown_request(void)
1414 powerdown_requested
= 1;
1415 qemu_notify_event();
1418 void qemu_system_debug_request(void)
1420 debug_requested
= 1;
1421 qemu_notify_event();
1424 void qemu_system_vmstop_request(RunState state
)
1426 vmstop_requested
= state
;
1427 qemu_notify_event();
1430 static GPollFD poll_fds
[1024 * 2]; /* this is probably overkill */
1431 static int n_poll_fds
;
1432 static int max_priority
;
1434 static void glib_select_fill(int *max_fd
, fd_set
*rfds
, fd_set
*wfds
,
1435 fd_set
*xfds
, struct timeval
*tv
)
1437 GMainContext
*context
= g_main_context_default();
1439 int timeout
= 0, cur_timeout
;
1441 g_main_context_prepare(context
, &max_priority
);
1443 n_poll_fds
= g_main_context_query(context
, max_priority
, &timeout
,
1444 poll_fds
, ARRAY_SIZE(poll_fds
));
1445 g_assert(n_poll_fds
<= ARRAY_SIZE(poll_fds
));
1447 for (i
= 0; i
< n_poll_fds
; i
++) {
1448 GPollFD
*p
= &poll_fds
[i
];
1450 if ((p
->events
& G_IO_IN
)) {
1451 FD_SET(p
->fd
, rfds
);
1452 *max_fd
= MAX(*max_fd
, p
->fd
);
1454 if ((p
->events
& G_IO_OUT
)) {
1455 FD_SET(p
->fd
, wfds
);
1456 *max_fd
= MAX(*max_fd
, p
->fd
);
1458 if ((p
->events
& G_IO_ERR
)) {
1459 FD_SET(p
->fd
, xfds
);
1460 *max_fd
= MAX(*max_fd
, p
->fd
);
1464 cur_timeout
= (tv
->tv_sec
* 1000) + ((tv
->tv_usec
+ 500) / 1000);
1465 if (timeout
>= 0 && timeout
< cur_timeout
) {
1466 tv
->tv_sec
= timeout
/ 1000;
1467 tv
->tv_usec
= (timeout
% 1000) * 1000;
1471 static void glib_select_poll(fd_set
*rfds
, fd_set
*wfds
, fd_set
*xfds
,
1474 GMainContext
*context
= g_main_context_default();
1479 for (i
= 0; i
< n_poll_fds
; i
++) {
1480 GPollFD
*p
= &poll_fds
[i
];
1482 if ((p
->events
& G_IO_IN
) && FD_ISSET(p
->fd
, rfds
)) {
1483 p
->revents
|= G_IO_IN
;
1485 if ((p
->events
& G_IO_OUT
) && FD_ISSET(p
->fd
, wfds
)) {
1486 p
->revents
|= G_IO_OUT
;
1488 if ((p
->events
& G_IO_ERR
) && FD_ISSET(p
->fd
, xfds
)) {
1489 p
->revents
|= G_IO_ERR
;
1494 if (g_main_context_check(context
, max_priority
, poll_fds
, n_poll_fds
)) {
1495 g_main_context_dispatch(context
);
1499 int main_loop_wait(int nonblocking
)
1501 fd_set rfds
, wfds
, xfds
;
1509 timeout
= qemu_calculate_timeout();
1510 qemu_bh_update_timeout(&timeout
);
1513 os_host_main_loop_wait(&timeout
);
1515 tv
.tv_sec
= timeout
/ 1000;
1516 tv
.tv_usec
= (timeout
% 1000) * 1000;
1518 /* poll any events */
1519 /* XXX: separate device handlers from system ones */
1525 qemu_iohandler_fill(&nfds
, &rfds
, &wfds
, &xfds
);
1526 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
1527 glib_select_fill(&nfds
, &rfds
, &wfds
, &xfds
, &tv
);
1530 qemu_mutex_unlock_iothread();
1533 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
1536 qemu_mutex_lock_iothread();
1539 qemu_iohandler_poll(&rfds
, &wfds
, &xfds
, ret
);
1540 slirp_select_poll(&rfds
, &wfds
, &xfds
, (ret
< 0));
1541 glib_select_poll(&rfds
, &wfds
, &xfds
, (ret
< 0));
1543 qemu_run_all_timers();
1545 /* Check bottom-halves last in case any of the earlier events triggered
1552 qemu_irq qemu_system_powerdown
;
1554 static void main_loop(void)
1557 int last_io
__attribute__ ((unused
)) = 0;
1558 #ifdef CONFIG_PROFILER
1563 qemu_main_loop_start();
1566 nonblocking
= !kvm_enabled() && last_io
> 0;
1567 #ifdef CONFIG_PROFILER
1568 ti
= profile_getclock();
1570 last_io
= main_loop_wait(nonblocking
);
1571 #ifdef CONFIG_PROFILER
1572 dev_time
+= profile_getclock() - ti
;
1575 if (qemu_debug_requested()) {
1576 vm_stop(RUN_STATE_DEBUG
);
1578 if (qemu_shutdown_requested()) {
1580 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1582 vm_stop(RUN_STATE_SHUTDOWN
);
1586 if (qemu_reset_requested()) {
1588 cpu_synchronize_all_states();
1589 qemu_system_reset(VMRESET_REPORT
);
1591 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1592 runstate_check(RUN_STATE_SHUTDOWN
)) {
1593 runstate_set(RUN_STATE_PAUSED
);
1596 if (qemu_powerdown_requested()) {
1597 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1598 qemu_irq_raise(qemu_system_powerdown
);
1600 if (qemu_vmstop_requested(&r
)) {
1608 static void version(void)
1610 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1613 static void help(int exitcode
)
1615 const char *options_help
=
1616 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1618 #define DEFHEADING(text) stringify(text) "\n"
1619 #include "qemu-options.def"
1625 printf("usage: %s [options] [disk_image]\n"
1627 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1630 "During emulation, the following keys are useful:\n"
1631 "ctrl-alt-f toggle full screen\n"
1632 "ctrl-alt-n switch to virtual console 'n'\n"
1633 "ctrl-alt toggle mouse and keyboard grab\n"
1635 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1641 #define HAS_ARG 0x0001
1643 typedef struct QEMUOption
{
1650 static const QEMUOption qemu_options
[] = {
1651 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1652 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1653 { option, opt_arg, opt_enum, arch_mask },
1654 #define DEFHEADING(text)
1655 #include "qemu-options.def"
1661 static void select_vgahw (const char *p
)
1666 vga_interface_type
= VGA_NONE
;
1667 if (strstart(p
, "std", &opts
)) {
1668 vga_interface_type
= VGA_STD
;
1669 } else if (strstart(p
, "cirrus", &opts
)) {
1670 vga_interface_type
= VGA_CIRRUS
;
1671 } else if (strstart(p
, "vmware", &opts
)) {
1672 vga_interface_type
= VGA_VMWARE
;
1673 } else if (strstart(p
, "xenfb", &opts
)) {
1674 vga_interface_type
= VGA_XENFB
;
1675 } else if (strstart(p
, "qxl", &opts
)) {
1676 vga_interface_type
= VGA_QXL
;
1677 } else if (!strstart(p
, "none", &opts
)) {
1679 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1683 const char *nextopt
;
1685 if (strstart(opts
, ",retrace=", &nextopt
)) {
1687 if (strstart(opts
, "dumb", &nextopt
))
1688 vga_retrace_method
= VGA_RETRACE_DUMB
;
1689 else if (strstart(opts
, "precise", &nextopt
))
1690 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1691 else goto invalid_vga
;
1692 } else goto invalid_vga
;
1697 static DisplayType
select_display(const char *p
)
1700 DisplayType display
= DT_DEFAULT
;
1702 if (strstart(p
, "sdl", &opts
)) {
1706 const char *nextopt
;
1708 if (strstart(opts
, ",frame=", &nextopt
)) {
1710 if (strstart(opts
, "on", &nextopt
)) {
1712 } else if (strstart(opts
, "off", &nextopt
)) {
1715 goto invalid_sdl_args
;
1717 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1719 if (strstart(opts
, "on", &nextopt
)) {
1721 } else if (strstart(opts
, "off", &nextopt
)) {
1724 goto invalid_sdl_args
;
1726 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1728 if (strstart(opts
, "on", &nextopt
)) {
1730 } else if (strstart(opts
, "off", &nextopt
)) {
1733 goto invalid_sdl_args
;
1735 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1737 if (strstart(opts
, "on", &nextopt
)) {
1739 } else if (strstart(opts
, "off", &nextopt
)) {
1742 goto invalid_sdl_args
;
1746 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1752 fprintf(stderr
, "SDL support is disabled\n");
1755 } else if (strstart(p
, "vnc", &opts
)) {
1760 const char *nextopt
;
1762 if (strstart(opts
, "=", &nextopt
)) {
1763 vnc_display
= nextopt
;
1767 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1771 fprintf(stderr
, "VNC support is disabled\n");
1774 } else if (strstart(p
, "curses", &opts
)) {
1775 #ifdef CONFIG_CURSES
1776 display
= DT_CURSES
;
1778 fprintf(stderr
, "Curses support is disabled\n");
1781 } else if (strstart(p
, "none", &opts
)) {
1784 fprintf(stderr
, "Unknown display type: %s\n", p
);
1791 static int balloon_parse(const char *arg
)
1795 if (strcmp(arg
, "none") == 0) {
1799 if (!strncmp(arg
, "virtio", 6)) {
1800 if (arg
[6] == ',') {
1801 /* have params -> parse them */
1802 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
1806 /* create empty opts */
1807 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
1809 qemu_opt_set(opts
, "driver", "virtio-balloon");
1816 char *qemu_find_file(int type
, const char *name
)
1822 /* If name contains path separators then try it as a straight path. */
1823 if ((strchr(name
, '/') || strchr(name
, '\\'))
1824 && access(name
, R_OK
) == 0) {
1825 return g_strdup(name
);
1828 case QEMU_FILE_TYPE_BIOS
:
1831 case QEMU_FILE_TYPE_KEYMAP
:
1832 subdir
= "keymaps/";
1837 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
1838 buf
= g_malloc0(len
);
1839 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
1840 if (access(buf
, R_OK
)) {
1847 static int device_help_func(QemuOpts
*opts
, void *opaque
)
1849 return qdev_device_help(opts
);
1852 static int device_init_func(QemuOpts
*opts
, void *opaque
)
1856 dev
= qdev_device_add(opts
);
1862 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
1864 CharDriverState
*chr
;
1866 chr
= qemu_chr_new_from_opts(opts
, NULL
);
1872 #ifdef CONFIG_VIRTFS
1873 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
1876 ret
= qemu_fsdev_add(opts
);
1882 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
1884 CharDriverState
*chr
;
1885 const char *chardev
;
1889 mode
= qemu_opt_get(opts
, "mode");
1893 if (strcmp(mode
, "readline") == 0) {
1894 flags
= MONITOR_USE_READLINE
;
1895 } else if (strcmp(mode
, "control") == 0) {
1896 flags
= MONITOR_USE_CONTROL
;
1898 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
1902 if (qemu_opt_get_bool(opts
, "pretty", 0))
1903 flags
|= MONITOR_USE_PRETTY
;
1905 if (qemu_opt_get_bool(opts
, "default", 0))
1906 flags
|= MONITOR_IS_DEFAULT
;
1908 chardev
= qemu_opt_get(opts
, "chardev");
1909 chr
= qemu_chr_find(chardev
);
1911 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
1915 monitor_init(chr
, flags
);
1919 static void monitor_parse(const char *optarg
, const char *mode
)
1921 static int monitor_device_index
= 0;
1927 if (strstart(optarg
, "chardev:", &p
)) {
1928 snprintf(label
, sizeof(label
), "%s", p
);
1930 snprintf(label
, sizeof(label
), "compat_monitor%d",
1931 monitor_device_index
);
1932 if (monitor_device_index
== 0) {
1935 opts
= qemu_chr_parse_compat(label
, optarg
);
1937 fprintf(stderr
, "parse error: %s\n", optarg
);
1942 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1);
1944 fprintf(stderr
, "duplicate chardev: %s\n", label
);
1947 qemu_opt_set(opts
, "mode", mode
);
1948 qemu_opt_set(opts
, "chardev", label
);
1950 qemu_opt_set(opts
, "default", "on");
1951 monitor_device_index
++;
1954 struct device_config
{
1956 DEV_USB
, /* -usbdevice */
1958 DEV_SERIAL
, /* -serial */
1959 DEV_PARALLEL
, /* -parallel */
1960 DEV_VIRTCON
, /* -virtioconsole */
1961 DEV_DEBUGCON
, /* -debugcon */
1963 const char *cmdline
;
1964 QTAILQ_ENTRY(device_config
) next
;
1966 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
1968 static void add_device_config(int type
, const char *cmdline
)
1970 struct device_config
*conf
;
1972 conf
= g_malloc0(sizeof(*conf
));
1974 conf
->cmdline
= cmdline
;
1975 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1978 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1980 struct device_config
*conf
;
1983 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1984 if (conf
->type
!= type
)
1986 rc
= func(conf
->cmdline
);
1993 static int serial_parse(const char *devname
)
1995 static int index
= 0;
1998 if (strcmp(devname
, "none") == 0)
2000 if (index
== MAX_SERIAL_PORTS
) {
2001 fprintf(stderr
, "qemu: too many serial ports\n");
2004 snprintf(label
, sizeof(label
), "serial%d", index
);
2005 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2006 if (!serial_hds
[index
]) {
2007 fprintf(stderr
, "qemu: could not open serial device '%s': %s\n",
2008 devname
, strerror(errno
));
2015 static int parallel_parse(const char *devname
)
2017 static int index
= 0;
2020 if (strcmp(devname
, "none") == 0)
2022 if (index
== MAX_PARALLEL_PORTS
) {
2023 fprintf(stderr
, "qemu: too many parallel ports\n");
2026 snprintf(label
, sizeof(label
), "parallel%d", index
);
2027 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2028 if (!parallel_hds
[index
]) {
2029 fprintf(stderr
, "qemu: could not open parallel device '%s': %s\n",
2030 devname
, strerror(errno
));
2037 static int virtcon_parse(const char *devname
)
2039 QemuOptsList
*device
= qemu_find_opts("device");
2040 static int index
= 0;
2042 QemuOpts
*bus_opts
, *dev_opts
;
2044 if (strcmp(devname
, "none") == 0)
2046 if (index
== MAX_VIRTIO_CONSOLES
) {
2047 fprintf(stderr
, "qemu: too many virtio consoles\n");
2051 bus_opts
= qemu_opts_create(device
, NULL
, 0);
2052 qemu_opt_set(bus_opts
, "driver", "virtio-serial");
2054 dev_opts
= qemu_opts_create(device
, NULL
, 0);
2055 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2057 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2058 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2059 if (!virtcon_hds
[index
]) {
2060 fprintf(stderr
, "qemu: could not open virtio console '%s': %s\n",
2061 devname
, strerror(errno
));
2064 qemu_opt_set(dev_opts
, "chardev", label
);
2070 static int debugcon_parse(const char *devname
)
2074 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2077 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2079 fprintf(stderr
, "qemu: already have a debugcon device\n");
2082 qemu_opt_set(opts
, "driver", "isa-debugcon");
2083 qemu_opt_set(opts
, "chardev", "debugcon");
2087 static QEMUMachine
*machine_parse(const char *name
)
2089 QEMUMachine
*m
, *machine
= NULL
;
2092 machine
= find_machine(name
);
2097 printf("Supported machines are:\n");
2098 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2100 printf("%-10s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2102 printf("%-10s %s%s\n", m
->name
, m
->desc
,
2103 m
->is_default
? " (default)" : "");
2105 exit(!name
|| *name
!= '?');
2108 static int tcg_init(void)
2110 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2115 const char *opt_name
;
2117 int (*available
)(void);
2121 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2122 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2123 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2126 static int configure_accelerator(void)
2128 const char *p
= NULL
;
2131 bool accel_initalised
= 0;
2132 bool init_failed
= 0;
2134 QemuOptsList
*list
= qemu_find_opts("machine");
2135 if (!QTAILQ_EMPTY(&list
->head
)) {
2136 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2140 /* Use the default "accelerator", tcg */
2144 while (!accel_initalised
&& *p
!= '\0') {
2148 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2149 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2150 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2151 *(accel_list
[i
].allowed
) = 1;
2152 ret
= accel_list
[i
].init();
2155 if (!accel_list
[i
].available()) {
2156 printf("%s not supported for this target\n",
2157 accel_list
[i
].name
);
2159 fprintf(stderr
, "failed to initialize %s: %s\n",
2163 *(accel_list
[i
].allowed
) = 0;
2165 accel_initalised
= 1;
2170 if (i
== ARRAY_SIZE(accel_list
)) {
2171 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2175 if (!accel_initalised
) {
2176 fprintf(stderr
, "No accelerator found!\n");
2181 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2184 return !accel_initalised
;
2187 void qemu_add_exit_notifier(Notifier
*notify
)
2189 notifier_list_add(&exit_notifiers
, notify
);
2192 void qemu_remove_exit_notifier(Notifier
*notify
)
2194 notifier_list_remove(&exit_notifiers
, notify
);
2197 static void qemu_run_exit_notifiers(void)
2199 notifier_list_notify(&exit_notifiers
, NULL
);
2202 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2204 notifier_list_add(&machine_init_done_notifiers
, notify
);
2207 static void qemu_run_machine_init_done_notifiers(void)
2209 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2212 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2213 const char **poptarg
, int *poptind
)
2215 const QEMUOption
*popt
;
2216 int optind
= *poptind
;
2217 char *r
= argv
[optind
];
2220 loc_set_cmdline(argv
, optind
, 1);
2222 /* Treat --foo the same as -foo. */
2225 popt
= qemu_options
;
2228 error_report("invalid option");
2231 if (!strcmp(popt
->name
, r
+ 1))
2235 if (popt
->flags
& HAS_ARG
) {
2236 if (optind
>= argc
) {
2237 error_report("requires an argument");
2240 optarg
= argv
[optind
++];
2241 loc_set_cmdline(argv
, optind
- 2, 2);
2252 static gpointer
malloc_and_trace(gsize n_bytes
)
2254 void *ptr
= malloc(n_bytes
);
2255 trace_g_malloc(n_bytes
, ptr
);
2259 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2261 void *ptr
= realloc(mem
, n_bytes
);
2262 trace_g_realloc(mem
, n_bytes
, ptr
);
2266 static void free_and_trace(gpointer mem
)
2272 int main(int argc
, char **argv
, char **envp
)
2274 const char *gdbstub_dev
= NULL
;
2276 int snapshot
, linux_boot
;
2277 const char *icount_option
= NULL
;
2278 const char *initrd_filename
;
2279 const char *kernel_filename
, *kernel_cmdline
;
2280 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2282 DisplayChangeListener
*dcl
;
2283 int cyls
, heads
, secs
, translation
;
2284 QemuOpts
*hda_opts
= NULL
, *opts
;
2285 QemuOptsList
*olist
;
2288 const char *loadvm
= NULL
;
2289 QEMUMachine
*machine
;
2290 const char *cpu_model
;
2291 const char *pid_file
= NULL
;
2292 const char *incoming
= NULL
;
2294 int show_vnc_port
= 0;
2297 const char *log_mask
= NULL
;
2298 const char *log_file
= NULL
;
2299 GMemVTable mem_trace
= {
2300 .malloc
= malloc_and_trace
,
2301 .realloc
= realloc_and_trace
,
2302 .free
= free_and_trace
,
2304 const char *trace_events
= NULL
;
2305 const char *trace_file
= NULL
;
2307 atexit(qemu_run_exit_notifiers
);
2308 error_set_progname(argv
[0]);
2310 g_mem_set_vtable(&mem_trace
);
2311 g_thread_init(NULL
);
2317 qemu_cache_utils_init(envp
);
2319 QLIST_INIT (&vm_change_state_head
);
2320 os_setup_early_signal_handling();
2322 module_call_init(MODULE_INIT_MACHINE
);
2323 machine
= find_default_machine();
2325 initrd_filename
= NULL
;
2328 kernel_filename
= NULL
;
2329 kernel_cmdline
= "";
2330 cyls
= heads
= secs
= 0;
2331 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2333 for (i
= 0; i
< MAX_NODES
; i
++) {
2335 node_cpumask
[i
] = 0;
2343 /* first pass of option parsing */
2345 while (optind
< argc
) {
2346 if (argv
[optind
][0] != '-') {
2351 const QEMUOption
*popt
;
2353 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2354 switch (popt
->index
) {
2355 case QEMU_OPTION_nodefconfig
:
2365 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2366 if (ret
< 0 && ret
!= -ENOENT
) {
2370 ret
= qemu_read_config_file(arch_config_name
);
2371 if (ret
< 0 && ret
!= -ENOENT
) {
2377 /* second pass of option parsing */
2382 if (argv
[optind
][0] != '-') {
2383 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2385 const QEMUOption
*popt
;
2387 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2388 if (!(popt
->arch_mask
& arch_type
)) {
2389 printf("Option %s not supported for this target\n", popt
->name
);
2392 switch(popt
->index
) {
2394 machine
= machine_parse(optarg
);
2396 case QEMU_OPTION_cpu
:
2397 /* hw initialization will check this */
2398 if (*optarg
== '?') {
2399 list_cpus(stdout
, &fprintf
, optarg
);
2405 case QEMU_OPTION_initrd
:
2406 initrd_filename
= optarg
;
2408 case QEMU_OPTION_hda
:
2412 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2414 snprintf(buf
, sizeof(buf
),
2415 "%s,cyls=%d,heads=%d,secs=%d%s",
2416 HD_OPTS
, cyls
, heads
, secs
,
2417 translation
== BIOS_ATA_TRANSLATION_LBA
?
2419 translation
== BIOS_ATA_TRANSLATION_NONE
?
2420 ",trans=none" : "");
2421 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2424 case QEMU_OPTION_hdb
:
2425 case QEMU_OPTION_hdc
:
2426 case QEMU_OPTION_hdd
:
2427 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2430 case QEMU_OPTION_drive
:
2431 if (drive_def(optarg
) == NULL
) {
2435 case QEMU_OPTION_set
:
2436 if (qemu_set_option(optarg
) != 0)
2439 case QEMU_OPTION_global
:
2440 if (qemu_global_option(optarg
) != 0)
2443 case QEMU_OPTION_mtdblock
:
2444 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2446 case QEMU_OPTION_sd
:
2447 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2449 case QEMU_OPTION_pflash
:
2450 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2452 case QEMU_OPTION_snapshot
:
2455 case QEMU_OPTION_hdachs
:
2459 cyls
= strtol(p
, (char **)&p
, 0);
2460 if (cyls
< 1 || cyls
> 16383)
2465 heads
= strtol(p
, (char **)&p
, 0);
2466 if (heads
< 1 || heads
> 16)
2471 secs
= strtol(p
, (char **)&p
, 0);
2472 if (secs
< 1 || secs
> 63)
2476 if (!strcmp(p
, "none"))
2477 translation
= BIOS_ATA_TRANSLATION_NONE
;
2478 else if (!strcmp(p
, "lba"))
2479 translation
= BIOS_ATA_TRANSLATION_LBA
;
2480 else if (!strcmp(p
, "auto"))
2481 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2484 } else if (*p
!= '\0') {
2486 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2489 if (hda_opts
!= NULL
) {
2491 snprintf(num
, sizeof(num
), "%d", cyls
);
2492 qemu_opt_set(hda_opts
, "cyls", num
);
2493 snprintf(num
, sizeof(num
), "%d", heads
);
2494 qemu_opt_set(hda_opts
, "heads", num
);
2495 snprintf(num
, sizeof(num
), "%d", secs
);
2496 qemu_opt_set(hda_opts
, "secs", num
);
2497 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2498 qemu_opt_set(hda_opts
, "trans", "lba");
2499 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2500 qemu_opt_set(hda_opts
, "trans", "none");
2504 case QEMU_OPTION_numa
:
2505 if (nb_numa_nodes
>= MAX_NODES
) {
2506 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2511 case QEMU_OPTION_display
:
2512 display_type
= select_display(optarg
);
2514 case QEMU_OPTION_nographic
:
2515 display_type
= DT_NOGRAPHIC
;
2517 case QEMU_OPTION_curses
:
2518 #ifdef CONFIG_CURSES
2519 display_type
= DT_CURSES
;
2521 fprintf(stderr
, "Curses support is disabled\n");
2525 case QEMU_OPTION_portrait
:
2526 graphic_rotate
= 90;
2528 case QEMU_OPTION_rotate
:
2529 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2530 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2531 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2533 "qemu: only 90, 180, 270 deg rotation is available\n");
2537 case QEMU_OPTION_kernel
:
2538 kernel_filename
= optarg
;
2540 case QEMU_OPTION_append
:
2541 kernel_cmdline
= optarg
;
2543 case QEMU_OPTION_cdrom
:
2544 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2546 case QEMU_OPTION_boot
:
2548 static const char * const params
[] = {
2549 "order", "once", "menu",
2550 "splash", "splash-time", NULL
2552 char buf
[sizeof(boot_devices
)];
2553 char *standard_boot_devices
;
2556 if (!strchr(optarg
, '=')) {
2558 pstrcpy(buf
, sizeof(buf
), optarg
);
2559 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2561 "qemu: unknown boot parameter '%s' in '%s'\n",
2567 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2568 validate_bootdevices(buf
);
2569 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2572 if (get_param_value(buf
, sizeof(buf
),
2574 validate_bootdevices(buf
);
2575 standard_boot_devices
= g_strdup(boot_devices
);
2576 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2577 qemu_register_reset(restore_boot_devices
,
2578 standard_boot_devices
);
2580 if (get_param_value(buf
, sizeof(buf
),
2582 if (!strcmp(buf
, "on")) {
2584 } else if (!strcmp(buf
, "off")) {
2588 "qemu: invalid option value '%s'\n",
2593 qemu_opts_parse(qemu_find_opts("boot-opts"),
2598 case QEMU_OPTION_fda
:
2599 case QEMU_OPTION_fdb
:
2600 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2603 case QEMU_OPTION_no_fd_bootchk
:
2606 case QEMU_OPTION_netdev
:
2607 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2611 case QEMU_OPTION_net
:
2612 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2617 case QEMU_OPTION_tftp
:
2618 legacy_tftp_prefix
= optarg
;
2620 case QEMU_OPTION_bootp
:
2621 legacy_bootp_filename
= optarg
;
2623 case QEMU_OPTION_redir
:
2624 if (net_slirp_redir(optarg
) < 0)
2628 case QEMU_OPTION_bt
:
2629 add_device_config(DEV_BT
, optarg
);
2631 case QEMU_OPTION_audio_help
:
2632 if (!(audio_available())) {
2633 printf("Option %s not supported for this target\n", popt
->name
);
2639 case QEMU_OPTION_soundhw
:
2640 if (!(audio_available())) {
2641 printf("Option %s not supported for this target\n", popt
->name
);
2644 select_soundhw (optarg
);
2649 case QEMU_OPTION_version
:
2653 case QEMU_OPTION_m
: {
2656 value
= strtosz(optarg
, NULL
);
2658 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2662 if (value
!= (uint64_t)(ram_addr_t
)value
) {
2663 fprintf(stderr
, "qemu: ram size too large\n");
2669 case QEMU_OPTION_mempath
:
2673 case QEMU_OPTION_mem_prealloc
:
2684 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
2686 case QEMU_OPTION_gdb
:
2687 gdbstub_dev
= optarg
;
2692 case QEMU_OPTION_bios
:
2695 case QEMU_OPTION_singlestep
:
2702 keyboard_layout
= optarg
;
2704 case QEMU_OPTION_localtime
:
2707 case QEMU_OPTION_vga
:
2708 select_vgahw (optarg
);
2715 w
= strtol(p
, (char **)&p
, 10);
2718 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2724 h
= strtol(p
, (char **)&p
, 10);
2729 depth
= strtol(p
, (char **)&p
, 10);
2730 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2731 depth
!= 24 && depth
!= 32)
2733 } else if (*p
== '\0') {
2734 depth
= graphic_depth
;
2741 graphic_depth
= depth
;
2744 case QEMU_OPTION_echr
:
2747 term_escape_char
= strtol(optarg
, &r
, 0);
2749 printf("Bad argument to echr\n");
2752 case QEMU_OPTION_monitor
:
2753 monitor_parse(optarg
, "readline");
2754 default_monitor
= 0;
2756 case QEMU_OPTION_qmp
:
2757 monitor_parse(optarg
, "control");
2758 default_monitor
= 0;
2760 case QEMU_OPTION_mon
:
2761 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2765 default_monitor
= 0;
2767 case QEMU_OPTION_chardev
:
2768 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2773 case QEMU_OPTION_fsdev
:
2774 olist
= qemu_find_opts("fsdev");
2776 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
2779 opts
= qemu_opts_parse(olist
, optarg
, 1);
2781 fprintf(stderr
, "parse error: %s\n", optarg
);
2785 case QEMU_OPTION_virtfs
: {
2789 olist
= qemu_find_opts("virtfs");
2791 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
2794 opts
= qemu_opts_parse(olist
, optarg
, 1);
2796 fprintf(stderr
, "parse error: %s\n", optarg
);
2800 if (qemu_opt_get(opts
, "fstype") == NULL
||
2801 qemu_opt_get(opts
, "mount_tag") == NULL
||
2802 qemu_opt_get(opts
, "path") == NULL
||
2803 qemu_opt_get(opts
, "security_model") == NULL
) {
2804 fprintf(stderr
, "Usage: -virtfs fstype,path=/share_path/,"
2805 "security_model=[mapped|passthrough|none],"
2806 "mount_tag=tag.\n");
2810 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
2811 qemu_opt_get(opts
, "mount_tag"), 1);
2813 fprintf(stderr
, "duplicate fsdev id: %s\n",
2814 qemu_opt_get(opts
, "mount_tag"));
2817 qemu_opt_set(fsdev
, "fstype", qemu_opt_get(opts
, "fstype"));
2818 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
2819 qemu_opt_set(fsdev
, "security_model",
2820 qemu_opt_get(opts
, "security_model"));
2822 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
2823 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2824 qemu_opt_set(device
, "fsdev",
2825 qemu_opt_get(opts
, "mount_tag"));
2826 qemu_opt_set(device
, "mount_tag",
2827 qemu_opt_get(opts
, "mount_tag"));
2830 case QEMU_OPTION_serial
:
2831 add_device_config(DEV_SERIAL
, optarg
);
2833 if (strncmp(optarg
, "mon:", 4) == 0) {
2834 default_monitor
= 0;
2837 case QEMU_OPTION_watchdog
:
2840 "qemu: only one watchdog option may be given\n");
2845 case QEMU_OPTION_watchdog_action
:
2846 if (select_watchdog_action(optarg
) == -1) {
2847 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
2851 case QEMU_OPTION_virtiocon
:
2852 add_device_config(DEV_VIRTCON
, optarg
);
2853 default_virtcon
= 0;
2854 if (strncmp(optarg
, "mon:", 4) == 0) {
2855 default_monitor
= 0;
2858 case QEMU_OPTION_parallel
:
2859 add_device_config(DEV_PARALLEL
, optarg
);
2860 default_parallel
= 0;
2861 if (strncmp(optarg
, "mon:", 4) == 0) {
2862 default_monitor
= 0;
2865 case QEMU_OPTION_debugcon
:
2866 add_device_config(DEV_DEBUGCON
, optarg
);
2868 case QEMU_OPTION_loadvm
:
2871 case QEMU_OPTION_full_screen
:
2875 case QEMU_OPTION_no_frame
:
2878 case QEMU_OPTION_alt_grab
:
2881 case QEMU_OPTION_ctrl_grab
:
2884 case QEMU_OPTION_no_quit
:
2887 case QEMU_OPTION_sdl
:
2888 display_type
= DT_SDL
;
2891 case QEMU_OPTION_no_frame
:
2892 case QEMU_OPTION_alt_grab
:
2893 case QEMU_OPTION_ctrl_grab
:
2894 case QEMU_OPTION_no_quit
:
2895 case QEMU_OPTION_sdl
:
2896 fprintf(stderr
, "SDL support is disabled\n");
2899 case QEMU_OPTION_pidfile
:
2902 case QEMU_OPTION_win2k_hack
:
2903 win2k_install_hack
= 1;
2905 case QEMU_OPTION_rtc_td_hack
:
2908 case QEMU_OPTION_acpitable
:
2909 do_acpitable_option(optarg
);
2911 case QEMU_OPTION_smbios
:
2912 do_smbios_option(optarg
);
2914 case QEMU_OPTION_enable_kvm
:
2915 olist
= qemu_find_opts("machine");
2916 qemu_opts_reset(olist
);
2917 qemu_opts_parse(olist
, "accel=kvm", 0);
2919 case QEMU_OPTION_machine
:
2920 olist
= qemu_find_opts("machine");
2921 qemu_opts_reset(olist
);
2922 opts
= qemu_opts_parse(olist
, optarg
, 1);
2924 fprintf(stderr
, "parse error: %s\n", optarg
);
2927 optarg
= qemu_opt_get(opts
, "type");
2929 machine
= machine_parse(optarg
);
2932 case QEMU_OPTION_usb
:
2935 case QEMU_OPTION_usbdevice
:
2937 add_device_config(DEV_USB
, optarg
);
2939 case QEMU_OPTION_device
:
2940 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
2944 case QEMU_OPTION_smp
:
2947 fprintf(stderr
, "Invalid number of CPUs\n");
2950 if (max_cpus
< smp_cpus
) {
2951 fprintf(stderr
, "maxcpus must be equal to or greater than "
2955 if (max_cpus
> 255) {
2956 fprintf(stderr
, "Unsupported number of maxcpus\n");
2960 case QEMU_OPTION_vnc
:
2963 vnc_display
= optarg
;
2965 fprintf(stderr
, "VNC support is disabled\n");
2969 case QEMU_OPTION_no_acpi
:
2972 case QEMU_OPTION_no_hpet
:
2975 case QEMU_OPTION_balloon
:
2976 if (balloon_parse(optarg
) < 0) {
2977 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
2981 case QEMU_OPTION_no_reboot
:
2984 case QEMU_OPTION_no_shutdown
:
2987 case QEMU_OPTION_show_cursor
:
2990 case QEMU_OPTION_uuid
:
2991 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
2992 fprintf(stderr
, "Fail to parse UUID string."
2993 " Wrong format.\n");
2997 case QEMU_OPTION_option_rom
:
2998 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
2999 fprintf(stderr
, "Too many option ROMs\n");
3002 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3003 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3004 option_rom
[nb_option_roms
].bootindex
=
3005 qemu_opt_get_number(opts
, "bootindex", -1);
3006 if (!option_rom
[nb_option_roms
].name
) {
3007 fprintf(stderr
, "Option ROM file is not specified\n");
3012 case QEMU_OPTION_semihosting
:
3013 semihosting_enabled
= 1;
3015 case QEMU_OPTION_name
:
3016 qemu_name
= g_strdup(optarg
);
3018 char *p
= strchr(qemu_name
, ',');
3021 if (strncmp(p
, "process=", 8)) {
3022 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3026 os_set_proc_name(p
);
3030 case QEMU_OPTION_prom_env
:
3031 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3032 fprintf(stderr
, "Too many prom variables\n");
3035 prom_envs
[nb_prom_envs
] = optarg
;
3038 case QEMU_OPTION_old_param
:
3041 case QEMU_OPTION_clock
:
3042 configure_alarms(optarg
);
3044 case QEMU_OPTION_startdate
:
3045 configure_rtc_date_offset(optarg
, 1);
3047 case QEMU_OPTION_rtc
:
3048 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3052 configure_rtc(opts
);
3054 case QEMU_OPTION_tb_size
:
3055 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3056 if (tcg_tb_size
< 0) {
3060 case QEMU_OPTION_icount
:
3061 icount_option
= optarg
;
3063 case QEMU_OPTION_incoming
:
3066 case QEMU_OPTION_nodefaults
:
3068 default_parallel
= 0;
3069 default_virtcon
= 0;
3070 default_monitor
= 0;
3077 case QEMU_OPTION_xen_domid
:
3078 if (!(xen_available())) {
3079 printf("Option %s not supported for this target\n", popt
->name
);
3082 xen_domid
= atoi(optarg
);
3084 case QEMU_OPTION_xen_create
:
3085 if (!(xen_available())) {
3086 printf("Option %s not supported for this target\n", popt
->name
);
3089 xen_mode
= XEN_CREATE
;
3091 case QEMU_OPTION_xen_attach
:
3092 if (!(xen_available())) {
3093 printf("Option %s not supported for this target\n", popt
->name
);
3096 xen_mode
= XEN_ATTACH
;
3098 case QEMU_OPTION_trace
:
3100 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3104 trace_events
= qemu_opt_get(opts
, "events");
3105 trace_file
= qemu_opt_get(opts
, "file");
3108 case QEMU_OPTION_readconfig
:
3110 int ret
= qemu_read_config_file(optarg
);
3112 fprintf(stderr
, "read config %s: %s\n", optarg
,
3118 case QEMU_OPTION_spice
:
3119 olist
= qemu_find_opts("spice");
3121 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3124 opts
= qemu_opts_parse(olist
, optarg
, 0);
3126 fprintf(stderr
, "parse error: %s\n", optarg
);
3130 case QEMU_OPTION_writeconfig
:
3133 if (strcmp(optarg
, "-") == 0) {
3136 fp
= fopen(optarg
, "w");
3138 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3142 qemu_config_write(fp
);
3147 os_parse_cmd_args(popt
->index
, optarg
);
3153 /* Open the logfile at this point, if necessary. We can't open the logfile
3154 * when encountering either of the logging options (-d or -D) because the
3155 * other one may be encountered later on the command line, changing the
3156 * location or level of logging.
3160 set_cpu_log_filename(log_file
);
3162 set_cpu_log(log_mask
);
3165 if (!trace_backend_init(trace_events
, trace_file
)) {
3169 /* If no data_dir is specified then try to find it relative to the
3172 data_dir
= os_find_datadir(argv
[0]);
3174 /* If all else fails use the install path specified when building. */
3176 data_dir
= CONFIG_QEMU_DATADIR
;
3180 * Default to max_cpus = smp_cpus, in case the user doesn't
3181 * specify a max_cpus value.
3184 max_cpus
= smp_cpus
;
3186 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3187 if (smp_cpus
> machine
->max_cpus
) {
3188 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3189 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3195 * Get the default machine options from the machine if it is not already
3196 * specified either by the configuration file or by the command line.
3198 if (machine
->default_machine_opts
) {
3199 QemuOptsList
*list
= qemu_find_opts("machine");
3200 const char *p
= NULL
;
3202 if (!QTAILQ_EMPTY(&list
->head
)) {
3203 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
3206 qemu_opts_reset(list
);
3207 opts
= qemu_opts_parse(list
, machine
->default_machine_opts
, 0);
3209 fprintf(stderr
, "parse error for machine %s: %s\n",
3210 machine
->name
, machine
->default_machine_opts
);
3216 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3217 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3219 if (machine
->no_serial
) {
3222 if (machine
->no_parallel
) {
3223 default_parallel
= 0;
3225 if (!machine
->use_virtcon
) {
3226 default_virtcon
= 0;
3228 if (machine
->no_vga
) {
3231 if (machine
->no_floppy
) {
3234 if (machine
->no_cdrom
) {
3237 if (machine
->no_sdcard
) {
3241 if (display_type
== DT_NOGRAPHIC
) {
3242 if (default_parallel
)
3243 add_device_config(DEV_PARALLEL
, "null");
3244 if (default_serial
&& default_monitor
) {
3245 add_device_config(DEV_SERIAL
, "mon:stdio");
3246 } else if (default_virtcon
&& default_monitor
) {
3247 add_device_config(DEV_VIRTCON
, "mon:stdio");
3250 add_device_config(DEV_SERIAL
, "stdio");
3251 if (default_virtcon
)
3252 add_device_config(DEV_VIRTCON
, "stdio");
3253 if (default_monitor
)
3254 monitor_parse("stdio", "readline");
3258 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3259 if (default_parallel
)
3260 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3261 if (default_monitor
)
3262 monitor_parse("vc:80Cx24C", "readline");
3263 if (default_virtcon
)
3264 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3267 vga_interface_type
= VGA_CIRRUS
;
3271 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3273 #ifdef CONFIG_VIRTFS
3274 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3281 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3286 /* init the memory */
3287 if (ram_size
== 0) {
3288 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3291 configure_accelerator();
3293 if (qemu_init_main_loop()) {
3294 fprintf(stderr
, "qemu_init_main_loop failed\n");
3297 linux_boot
= (kernel_filename
!= NULL
);
3299 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3300 fprintf(stderr
, "-append only allowed with -kernel option\n");
3304 if (!linux_boot
&& initrd_filename
!= NULL
) {
3305 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3309 os_set_line_buffering();
3311 if (init_timer_alarm() < 0) {
3312 fprintf(stderr
, "could not initialize alarm timer\n");
3315 configure_icount(icount_option
);
3317 if (net_init_clients() < 0) {
3321 /* init the bluetooth world */
3322 if (foreach_device_config(DEV_BT
, bt_parse
))
3325 if (!xen_enabled()) {
3326 /* On 32-bit hosts, QEMU is limited by virtual address space */
3327 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
3328 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
3333 cpu_exec_init_all();
3335 bdrv_init_with_whitelist();
3339 /* open the virtual block devices */
3341 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3342 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3345 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3346 IF_DEFAULT
, 2, CDROM_OPTS
);
3347 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3348 IF_FLOPPY
, 0, FD_OPTS
);
3349 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3352 register_savevm_live(NULL
, "ram", 0, 4, NULL
, ram_save_live
, NULL
,
3355 if (nb_numa_nodes
> 0) {
3358 if (nb_numa_nodes
> MAX_NODES
) {
3359 nb_numa_nodes
= MAX_NODES
;
3362 /* If no memory size if given for any node, assume the default case
3363 * and distribute the available memory equally across all nodes
3365 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3366 if (node_mem
[i
] != 0)
3369 if (i
== nb_numa_nodes
) {
3370 uint64_t usedmem
= 0;
3372 /* On Linux, the each node's border has to be 8MB aligned,
3373 * the final node gets the rest.
3375 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3376 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3377 usedmem
+= node_mem
[i
];
3379 node_mem
[i
] = ram_size
- usedmem
;
3382 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3383 if (node_cpumask
[i
] != 0)
3386 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3387 * must cope with this anyway, because there are BIOSes out there in
3388 * real machines which also use this scheme.
3390 if (i
== nb_numa_nodes
) {
3391 for (i
= 0; i
< smp_cpus
; i
++) {
3392 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
3397 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3401 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3403 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3405 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3407 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3410 module_call_init(MODULE_INIT_DEVICE
);
3412 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0) != 0)
3416 i
= select_watchdog(watchdog
);
3418 exit (i
== 1 ? 1 : 0);
3421 if (machine
->compat_props
) {
3422 qdev_prop_register_global_list(machine
->compat_props
);
3426 machine
->init(ram_size
, boot_devices
,
3427 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
3429 cpu_synchronize_all_post_init();
3433 current_machine
= machine
;
3435 /* init USB devices */
3437 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3441 /* init generic devices */
3442 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3445 net_check_clients();
3447 /* just use the first displaystate for the moment */
3448 ds
= get_displaystate();
3452 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3453 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3454 display_type
= DT_SDL
;
3455 #elif defined(CONFIG_VNC)
3456 vnc_display
= "localhost:0,to=99";
3459 display_type
= DT_NONE
;
3464 /* init local displays */
3465 switch (display_type
) {
3468 #if defined(CONFIG_CURSES)
3470 curses_display_init(ds
, full_screen
);
3473 #if defined(CONFIG_SDL)
3475 sdl_display_init(ds
, full_screen
, no_frame
);
3477 #elif defined(CONFIG_COCOA)
3479 cocoa_display_init(ds
, full_screen
);
3486 /* must be after terminal init, SDL library changes signal handlers */
3487 os_setup_signal_handling();
3490 /* init remote displays */
3492 vnc_display_init(ds
);
3493 if (vnc_display_open(ds
, vnc_display
) < 0)
3496 if (show_vnc_port
) {
3497 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3502 if (using_spice
&& !qxl_enabled
) {
3503 qemu_spice_display_init(ds
);
3509 dcl
= ds
->listeners
;
3510 while (dcl
!= NULL
) {
3511 if (dcl
->dpy_refresh
!= NULL
) {
3512 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
3513 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
3518 if (ds
->gui_timer
== NULL
) {
3519 nographic_timer
= qemu_new_timer_ms(rt_clock
, nographic_update
, NULL
);
3520 qemu_mod_timer(nographic_timer
, qemu_get_clock_ms(rt_clock
));
3522 text_consoles_set_display(ds
);
3524 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
3525 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
3530 qdev_machine_creation_done();
3532 if (rom_load_all() != 0) {
3533 fprintf(stderr
, "rom loading failed\n");
3537 /* TODO: once all bus devices are qdevified, this should be done
3538 * when bus is created by qdev.c */
3539 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3540 qemu_run_machine_init_done_notifiers();
3542 qemu_system_reset(VMRESET_SILENT
);
3544 if (load_vmstate(loadvm
) < 0) {
3550 runstate_set(RUN_STATE_INMIGRATE
);
3551 int ret
= qemu_start_incoming_migration(incoming
);
3553 fprintf(stderr
, "Migration failed. Exit code %s(%d), exiting.\n",
3557 } else if (autostart
) {