4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "qemu-seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc
, char **argv
, char **envp
);
100 int main(int argc
, char **argv
)
102 return qemu_main(argc
, argv
, NULL
);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
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"
139 #include "blockdev.h"
140 #include "hw/block-common.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"
159 #include "qemu_socket.h"
161 #include "slirp/libslirp.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
167 #include "arch_init.h"
170 #include "ui/qemu-spice.h"
173 //#define DEBUG_SLIRP
175 #define DEFAULT_RAM_SIZE 128
177 #define MAX_VIRTIO_CONSOLES 1
179 static const char *data_dir
;
180 const char *bios_name
= NULL
;
181 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
182 int vga_cga_hacks
= 0;
183 DisplayType display_type
= DT_DEFAULT
;
184 int display_remote
= 0;
185 const char* keyboard_layout
= NULL
;
187 const char *mem_path
= NULL
;
189 int mem_prealloc
= 0; /* force preallocation of physical target memory */
192 NICInfo nd_table
[MAX_NICS
];
194 static int rtc_utc
= 1;
195 static int rtc_date_offset
= -1; /* -1 means no change */
196 QEMUClock
*rtc_clock
;
197 int vga_interface_type
= VGA_NONE
;
198 static int full_screen
= 0;
200 static int no_frame
= 0;
203 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
204 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
205 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
206 int win2k_install_hack
= 0;
207 int no_spurious_interrupt_hack
= 0;
215 const char *vnc_display
;
217 int acpi_enabled
= 1;
223 int graphic_rotate
= 0;
224 const char *watchdog
;
225 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
227 int semihosting_enabled
= 0;
229 const char *qemu_name
;
232 unsigned int nb_prom_envs
= 0;
233 const char *prom_envs
[MAX_PROM_ENVS
];
235 uint8_t *boot_splash_filedata
;
236 int boot_splash_filedata_size
;
237 uint8_t qemu_extra_params_fw
[2];
239 typedef struct FWBootEntry FWBootEntry
;
242 QTAILQ_ENTRY(FWBootEntry
) link
;
248 QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
= QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
251 uint64_t node_mem
[MAX_NODES
];
252 unsigned long *node_cpumask
[MAX_NODES
];
254 uint8_t qemu_uuid
[16];
256 static QEMUBootSetHandler
*boot_set_handler
;
257 static void *boot_set_opaque
;
259 static NotifierList exit_notifiers
=
260 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
262 static NotifierList machine_init_done_notifiers
=
263 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
265 static int tcg_allowed
= 1;
269 enum xen_mode xen_mode
= XEN_EMULATE
;
270 static int tcg_tb_size
;
272 static int default_serial
= 1;
273 static int default_parallel
= 1;
274 static int default_virtcon
= 1;
275 static int default_monitor
= 1;
276 static int default_floppy
= 1;
277 static int default_cdrom
= 1;
278 static int default_sdcard
= 1;
279 static int default_vga
= 1;
285 { .driver
= "isa-serial", .flag
= &default_serial
},
286 { .driver
= "isa-parallel", .flag
= &default_parallel
},
287 { .driver
= "isa-fdc", .flag
= &default_floppy
},
288 { .driver
= "ide-cd", .flag
= &default_cdrom
},
289 { .driver
= "ide-hd", .flag
= &default_cdrom
},
290 { .driver
= "ide-drive", .flag
= &default_cdrom
},
291 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
292 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
293 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
294 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
295 { .driver
= "VGA", .flag
= &default_vga
},
296 { .driver
= "isa-vga", .flag
= &default_vga
},
297 { .driver
= "cirrus-vga", .flag
= &default_vga
},
298 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
299 { .driver
= "vmware-svga", .flag
= &default_vga
},
300 { .driver
= "qxl-vga", .flag
= &default_vga
},
303 const char *qemu_get_vm_name(void)
308 static void res_free(void)
310 if (boot_splash_filedata
!= NULL
) {
311 g_free(boot_splash_filedata
);
312 boot_splash_filedata
= NULL
;
316 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
318 const char *driver
= qemu_opt_get(opts
, "driver");
323 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
324 if (strcmp(default_list
[i
].driver
, driver
) != 0)
326 *(default_list
[i
].flag
) = 0;
331 /***********************************************************/
334 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
339 } RunStateTransition
;
341 static const RunStateTransition runstate_transitions_def
[] = {
343 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
345 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
346 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
348 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
349 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
351 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
352 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
354 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
355 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
357 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
358 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
360 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
361 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
362 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
364 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
365 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
367 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
369 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
370 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
371 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
372 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
373 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
374 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
375 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
376 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
377 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
379 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
381 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
382 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
384 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
385 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
386 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
387 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
389 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
390 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
392 { RUN_STATE_MAX
, RUN_STATE_MAX
},
395 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
397 bool runstate_check(RunState state
)
399 return current_run_state
== state
;
402 void runstate_init(void)
404 const RunStateTransition
*p
;
406 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
408 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
409 runstate_valid_transitions
[p
->from
][p
->to
] = true;
413 /* This function will abort() on invalid state transitions */
414 void runstate_set(RunState new_state
)
416 assert(new_state
< RUN_STATE_MAX
);
418 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
419 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
420 RunState_lookup
[current_run_state
],
421 RunState_lookup
[new_state
]);
425 current_run_state
= new_state
;
428 int runstate_is_running(void)
430 return runstate_check(RUN_STATE_RUNNING
);
433 StatusInfo
*qmp_query_status(Error
**errp
)
435 StatusInfo
*info
= g_malloc0(sizeof(*info
));
437 info
->running
= runstate_is_running();
438 info
->singlestep
= singlestep
;
439 info
->status
= current_run_state
;
444 /***********************************************************/
445 /* real time host monotonic timer */
447 /***********************************************************/
448 /* host time/date access */
449 void qemu_get_timedate(struct tm
*tm
, int offset
)
456 if (rtc_date_offset
== -1) {
460 ret
= localtime(&ti
);
462 ti
-= rtc_date_offset
;
466 memcpy(tm
, ret
, sizeof(struct tm
));
469 int qemu_timedate_diff(struct tm
*tm
)
473 if (rtc_date_offset
== -1)
475 seconds
= mktimegm(tm
);
478 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
479 seconds
= mktime(&tmp
);
482 seconds
= mktimegm(tm
) + rtc_date_offset
;
484 return seconds
- time(NULL
);
487 void rtc_change_mon_event(struct tm
*tm
)
491 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
492 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
493 qobject_decref(data
);
496 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
498 time_t rtc_start_date
;
501 if (!strcmp(startdate
, "now") && legacy
) {
502 rtc_date_offset
= -1;
504 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
512 } else if (sscanf(startdate
, "%d-%d-%d",
524 rtc_start_date
= mktimegm(&tm
);
525 if (rtc_start_date
== -1) {
527 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
528 "'2006-06-17T16:01:21' or '2006-06-17'\n");
531 rtc_date_offset
= time(NULL
) - rtc_start_date
;
535 static void configure_rtc(QemuOpts
*opts
)
539 value
= qemu_opt_get(opts
, "base");
541 if (!strcmp(value
, "utc")) {
543 } else if (!strcmp(value
, "localtime")) {
546 configure_rtc_date_offset(value
, 0);
549 value
= qemu_opt_get(opts
, "clock");
551 if (!strcmp(value
, "host")) {
552 rtc_clock
= host_clock
;
553 } else if (!strcmp(value
, "rt")) {
554 rtc_clock
= rt_clock
;
555 } else if (!strcmp(value
, "vm")) {
556 rtc_clock
= vm_clock
;
558 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
562 value
= qemu_opt_get(opts
, "driftfix");
564 if (!strcmp(value
, "slew")) {
565 static GlobalProperty slew_lost_ticks
[] = {
567 .driver
= "mc146818rtc",
568 .property
= "lost_tick_policy",
571 { /* end of list */ }
574 qdev_prop_register_global_list(slew_lost_ticks
);
575 } else if (!strcmp(value
, "none")) {
576 /* discard is default */
578 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
584 /***********************************************************/
585 /* Bluetooth support */
588 static struct HCIInfo
*hci_table
[MAX_NICS
];
590 static struct bt_vlan_s
{
591 struct bt_scatternet_s net
;
593 struct bt_vlan_s
*next
;
596 /* find or alloc a new bluetooth "VLAN" */
597 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
599 struct bt_vlan_s
**pvlan
, *vlan
;
600 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
604 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
606 pvlan
= &first_bt_vlan
;
607 while (*pvlan
!= NULL
)
608 pvlan
= &(*pvlan
)->next
;
613 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
617 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
622 static struct HCIInfo null_hci
= {
623 .cmd_send
= null_hci_send
,
624 .sco_send
= null_hci_send
,
625 .acl_send
= null_hci_send
,
626 .bdaddr_set
= null_hci_addr_set
,
629 struct HCIInfo
*qemu_next_hci(void)
631 if (cur_hci
== nb_hcis
)
634 return hci_table
[cur_hci
++];
637 static struct HCIInfo
*hci_init(const char *str
)
640 struct bt_scatternet_s
*vlan
= 0;
642 if (!strcmp(str
, "null"))
645 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
647 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
648 else if (!strncmp(str
, "hci", 3)) {
651 if (!strncmp(str
+ 3, ",vlan=", 6)) {
652 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
657 vlan
= qemu_find_bt_vlan(0);
659 return bt_new_hci(vlan
);
662 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
667 static int bt_hci_parse(const char *str
)
672 if (nb_hcis
>= MAX_NICS
) {
673 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
686 bdaddr
.b
[5] = 0x56 + nb_hcis
;
687 hci
->bdaddr_set(hci
, bdaddr
.b
);
689 hci_table
[nb_hcis
++] = hci
;
694 static void bt_vhci_add(int vlan_id
)
696 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
699 fprintf(stderr
, "qemu: warning: adding a VHCI to "
700 "an empty scatternet %i\n", vlan_id
);
702 bt_vhci_init(bt_new_hci(vlan
));
705 static struct bt_device_s
*bt_device_add(const char *opt
)
707 struct bt_scatternet_s
*vlan
;
709 char *endp
= strstr(opt
, ",vlan=");
710 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
713 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
716 vlan_id
= strtol(endp
+ 6, &endp
, 0);
718 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
723 vlan
= qemu_find_bt_vlan(vlan_id
);
726 fprintf(stderr
, "qemu: warning: adding a slave device to "
727 "an empty scatternet %i\n", vlan_id
);
729 if (!strcmp(devname
, "keyboard"))
730 return bt_keyboard_init(vlan
);
732 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
736 static int bt_parse(const char *opt
)
738 const char *endp
, *p
;
741 if (strstart(opt
, "hci", &endp
)) {
742 if (!*endp
|| *endp
== ',') {
744 if (!strstart(endp
, ",vlan=", 0))
747 return bt_hci_parse(opt
);
749 } else if (strstart(opt
, "vhci", &endp
)) {
750 if (!*endp
|| *endp
== ',') {
752 if (strstart(endp
, ",vlan=", &p
)) {
753 vlan
= strtol(p
, (char **) &endp
, 0);
755 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
759 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
768 } else if (strstart(opt
, "device:", &endp
))
769 return !bt_device_add(endp
);
771 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
775 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
777 /* FIXME: change this to true for 1.3 */
778 if (qemu_opt_get_bool(opts
, "enable", false)) {
779 #ifdef CONFIG_SECCOMP
780 if (seccomp_start() < 0) {
781 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
782 "failed to install seccomp syscall filter in the kernel");
786 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
787 "sandboxing request but seccomp is not compiled into this build");
795 /***********************************************************/
796 /* QEMU Block devices */
798 #define HD_OPTS "media=disk"
799 #define CDROM_OPTS "media=cdrom"
801 #define PFLASH_OPTS ""
805 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
807 int *use_scsi
= opaque
;
809 return drive_init(opts
, *use_scsi
) == NULL
;
812 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
814 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
815 qemu_opt_set(opts
, "snapshot", "on");
820 static void default_drive(int enable
, int snapshot
, int use_scsi
,
821 BlockInterfaceType type
, int index
,
826 if (type
== IF_DEFAULT
) {
827 type
= use_scsi
? IF_SCSI
: IF_IDE
;
830 if (!enable
|| drive_get_by_index(type
, index
)) {
834 opts
= drive_add(type
, index
, NULL
, optstr
);
836 drive_enable_snapshot(opts
, NULL
);
838 if (!drive_init(opts
, use_scsi
)) {
843 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
845 boot_set_handler
= func
;
846 boot_set_opaque
= opaque
;
849 int qemu_boot_set(const char *boot_devices
)
851 if (!boot_set_handler
) {
854 return boot_set_handler(boot_set_opaque
, boot_devices
);
857 static void validate_bootdevices(char *devices
)
859 /* We just do some generic consistency checks */
863 for (p
= devices
; *p
!= '\0'; p
++) {
864 /* Allowed boot devices are:
865 * a-b: floppy disk drives
866 * c-f: IDE disk drives
867 * g-m: machine implementation dependent drives
868 * n-p: network devices
869 * It's up to each machine implementation to check if the given boot
870 * devices match the actual hardware implementation and firmware
873 if (*p
< 'a' || *p
> 'p') {
874 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
877 if (bitmap
& (1 << (*p
- 'a'))) {
878 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
881 bitmap
|= 1 << (*p
- 'a');
885 static void restore_boot_devices(void *opaque
)
887 char *standard_boot_devices
= opaque
;
888 static int first
= 1;
890 /* Restore boot order and remove ourselves after the first boot */
896 qemu_boot_set(standard_boot_devices
);
898 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
899 g_free(standard_boot_devices
);
902 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
905 FWBootEntry
*node
, *i
;
911 assert(dev
!= NULL
|| suffix
!= NULL
);
913 node
= g_malloc0(sizeof(FWBootEntry
));
914 node
->bootindex
= bootindex
;
915 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
918 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
919 if (i
->bootindex
== bootindex
) {
920 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
922 } else if (i
->bootindex
< bootindex
) {
925 QTAILQ_INSERT_BEFORE(i
, node
, link
);
928 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
932 * This function returns null terminated string that consist of new line
933 * separated device paths.
935 * memory pointed by "size" is assigned total length of the array in bytes
938 char *get_boot_devices_list(uint32_t *size
)
944 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
945 char *devpath
= NULL
, *bootpath
;
949 devpath
= qdev_get_fw_dev_path(i
->dev
);
953 if (i
->suffix
&& devpath
) {
954 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
956 bootpath
= g_malloc(bootpathlen
);
957 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
959 } else if (devpath
) {
963 bootpath
= g_strdup(i
->suffix
);
967 list
[total
-1] = '\n';
969 len
= strlen(bootpath
) + 1;
970 list
= g_realloc(list
, total
+ len
);
971 memcpy(&list
[total
], bootpath
, len
);
981 static void numa_add(const char *optarg
)
985 unsigned long long value
, endvalue
;
988 value
= endvalue
= 0ULL;
990 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
991 if (!strcmp(option
, "node")) {
992 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
993 nodenr
= nb_numa_nodes
;
995 nodenr
= strtoull(option
, NULL
, 10);
998 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
999 node_mem
[nodenr
] = 0;
1002 sval
= strtosz(option
, &endptr
);
1003 if (sval
< 0 || *endptr
) {
1004 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1007 node_mem
[nodenr
] = sval
;
1009 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1010 value
= strtoull(option
, &endptr
, 10);
1011 if (*endptr
== '-') {
1012 endvalue
= strtoull(endptr
+1, &endptr
, 10);
1017 if (!(endvalue
< MAX_CPUMASK_BITS
)) {
1018 endvalue
= MAX_CPUMASK_BITS
- 1;
1020 "A max of %d CPUs are supported in a guest\n",
1024 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1031 static void smp_parse(const char *optarg
)
1033 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1037 smp
= strtoul(optarg
, &endptr
, 10);
1038 if (endptr
!= optarg
) {
1039 if (*endptr
== ',') {
1043 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1044 sockets
= strtoull(option
, NULL
, 10);
1045 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1046 cores
= strtoull(option
, NULL
, 10);
1047 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1048 threads
= strtoull(option
, NULL
, 10);
1049 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1050 max_cpus
= strtoull(option
, NULL
, 10);
1052 /* compute missing values, prefer sockets over cores over threads */
1053 if (smp
== 0 || sockets
== 0) {
1054 sockets
= sockets
> 0 ? sockets
: 1;
1055 cores
= cores
> 0 ? cores
: 1;
1056 threads
= threads
> 0 ? threads
: 1;
1058 smp
= cores
* threads
* sockets
;
1062 threads
= threads
> 0 ? threads
: 1;
1063 cores
= smp
/ (sockets
* threads
);
1065 threads
= smp
/ (cores
* sockets
);
1069 smp_cores
= cores
> 0 ? cores
: 1;
1070 smp_threads
= threads
> 0 ? threads
: 1;
1072 max_cpus
= smp_cpus
;
1075 /***********************************************************/
1078 static int usb_device_add(const char *devname
)
1081 USBDevice
*dev
= NULL
;
1086 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1087 dev
= usbdevice_create(devname
);
1091 /* the other ones */
1092 #ifndef CONFIG_LINUX
1093 /* only the linux version is qdev-ified, usb-bsd still needs this */
1094 if (strstart(devname
, "host:", &p
)) {
1095 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1098 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1099 dev
= usb_bt_init(usb_bus_find(-1),
1100 devname
[2] ? hci_init(p
)
1101 : bt_new_hci(qemu_find_bt_vlan(0)));
1112 static int usb_device_del(const char *devname
)
1117 if (strstart(devname
, "host:", &p
))
1118 return usb_host_device_close(p
);
1123 p
= strchr(devname
, '.');
1126 bus_num
= strtoul(devname
, NULL
, 0);
1127 addr
= strtoul(p
+ 1, NULL
, 0);
1129 return usb_device_delete_addr(bus_num
, addr
);
1132 static int usb_parse(const char *cmdline
)
1135 r
= usb_device_add(cmdline
);
1137 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1142 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1144 const char *devname
= qdict_get_str(qdict
, "devname");
1145 if (usb_device_add(devname
) < 0) {
1146 error_report("could not add USB device '%s'", devname
);
1150 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1152 const char *devname
= qdict_get_str(qdict
, "devname");
1153 if (usb_device_del(devname
) < 0) {
1154 error_report("could not delete USB device '%s'", devname
);
1158 /***********************************************************/
1159 /* PCMCIA/Cardbus */
1161 static struct pcmcia_socket_entry_s
{
1162 PCMCIASocket
*socket
;
1163 struct pcmcia_socket_entry_s
*next
;
1164 } *pcmcia_sockets
= 0;
1166 void pcmcia_socket_register(PCMCIASocket
*socket
)
1168 struct pcmcia_socket_entry_s
*entry
;
1170 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1171 entry
->socket
= socket
;
1172 entry
->next
= pcmcia_sockets
;
1173 pcmcia_sockets
= entry
;
1176 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1178 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1180 ptr
= &pcmcia_sockets
;
1181 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1182 if (entry
->socket
== socket
) {
1188 void pcmcia_info(Monitor
*mon
)
1190 struct pcmcia_socket_entry_s
*iter
;
1192 if (!pcmcia_sockets
)
1193 monitor_printf(mon
, "No PCMCIA sockets\n");
1195 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1196 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1197 iter
->socket
->attached
? iter
->socket
->card_string
:
1201 /***********************************************************/
1202 /* machine registration */
1204 static QEMUMachine
*first_machine
= NULL
;
1205 QEMUMachine
*current_machine
= NULL
;
1207 int qemu_register_machine(QEMUMachine
*m
)
1210 pm
= &first_machine
;
1218 static QEMUMachine
*find_machine(const char *name
)
1222 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1223 if (!strcmp(m
->name
, name
))
1225 if (m
->alias
&& !strcmp(m
->alias
, name
))
1231 QEMUMachine
*find_default_machine(void)
1235 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1236 if (m
->is_default
) {
1243 MachineInfoList
*qmp_query_machines(Error
**errp
)
1245 MachineInfoList
*mach_list
= NULL
;
1248 for (m
= first_machine
; m
; m
= m
->next
) {
1249 MachineInfoList
*entry
;
1252 info
= g_malloc0(sizeof(*info
));
1253 if (m
->is_default
) {
1254 info
->has_is_default
= true;
1255 info
->is_default
= true;
1259 info
->has_alias
= true;
1260 info
->alias
= g_strdup(m
->alias
);
1263 info
->name
= g_strdup(m
->name
);
1265 entry
= g_malloc0(sizeof(*entry
));
1266 entry
->value
= info
;
1267 entry
->next
= mach_list
;
1274 /***********************************************************/
1275 /* main execution loop */
1277 static void gui_update(void *opaque
)
1279 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1280 DisplayState
*ds
= opaque
;
1281 DisplayChangeListener
*dcl
= ds
->listeners
;
1285 while (dcl
!= NULL
) {
1286 if (dcl
->gui_timer_interval
&&
1287 dcl
->gui_timer_interval
< interval
)
1288 interval
= dcl
->gui_timer_interval
;
1291 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1294 struct vm_change_state_entry
{
1295 VMChangeStateHandler
*cb
;
1297 QLIST_ENTRY (vm_change_state_entry
) entries
;
1300 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1302 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1305 VMChangeStateEntry
*e
;
1307 e
= g_malloc0(sizeof (*e
));
1311 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1315 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1317 QLIST_REMOVE (e
, entries
);
1321 void vm_state_notify(int running
, RunState state
)
1323 VMChangeStateEntry
*e
;
1325 trace_vm_state_notify(running
, state
);
1327 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1328 e
->cb(e
->opaque
, running
, state
);
1334 if (!runstate_is_running()) {
1336 runstate_set(RUN_STATE_RUNNING
);
1337 vm_state_notify(1, RUN_STATE_RUNNING
);
1339 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1343 /* reset/shutdown handler */
1345 typedef struct QEMUResetEntry
{
1346 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1347 QEMUResetHandler
*func
;
1351 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1352 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1353 static int reset_requested
;
1354 static int shutdown_requested
, shutdown_signal
= -1;
1355 static pid_t shutdown_pid
;
1356 static int powerdown_requested
;
1357 static int debug_requested
;
1358 static int suspend_requested
;
1359 static int wakeup_requested
;
1360 static NotifierList suspend_notifiers
=
1361 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1362 static NotifierList wakeup_notifiers
=
1363 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1364 static uint32_t wakeup_reason_mask
= ~0;
1365 static RunState vmstop_requested
= RUN_STATE_MAX
;
1367 int qemu_shutdown_requested_get(void)
1369 return shutdown_requested
;
1372 int qemu_reset_requested_get(void)
1374 return reset_requested
;
1377 int qemu_shutdown_requested(void)
1379 int r
= shutdown_requested
;
1380 shutdown_requested
= 0;
1384 void qemu_kill_report(void)
1386 if (!qtest_enabled() && shutdown_signal
!= -1) {
1387 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1388 if (shutdown_pid
== 0) {
1389 /* This happens for eg ^C at the terminal, so it's worth
1390 * avoiding printing an odd message in that case.
1392 fputc('\n', stderr
);
1394 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1396 shutdown_signal
= -1;
1400 int qemu_reset_requested(void)
1402 int r
= reset_requested
;
1403 reset_requested
= 0;
1407 static int qemu_suspend_requested(void)
1409 int r
= suspend_requested
;
1410 suspend_requested
= 0;
1414 static int qemu_wakeup_requested(void)
1416 int r
= wakeup_requested
;
1417 wakeup_requested
= 0;
1421 int qemu_powerdown_requested(void)
1423 int r
= powerdown_requested
;
1424 powerdown_requested
= 0;
1428 static int qemu_debug_requested(void)
1430 int r
= debug_requested
;
1431 debug_requested
= 0;
1435 /* We use RUN_STATE_MAX but any invalid value will do */
1436 static bool qemu_vmstop_requested(RunState
*r
)
1438 if (vmstop_requested
< RUN_STATE_MAX
) {
1439 *r
= vmstop_requested
;
1440 vmstop_requested
= RUN_STATE_MAX
;
1447 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1449 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1452 re
->opaque
= opaque
;
1453 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1456 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1460 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1461 if (re
->func
== func
&& re
->opaque
== opaque
) {
1462 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1469 void qemu_devices_reset(void)
1471 QEMUResetEntry
*re
, *nre
;
1473 /* reset all devices */
1474 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1475 re
->func(re
->opaque
);
1479 void qemu_system_reset(bool report
)
1481 if (current_machine
&& current_machine
->reset
) {
1482 current_machine
->reset();
1484 qemu_devices_reset();
1487 monitor_protocol_event(QEVENT_RESET
, NULL
);
1489 cpu_synchronize_all_post_reset();
1492 void qemu_system_reset_request(void)
1495 shutdown_requested
= 1;
1497 reset_requested
= 1;
1500 qemu_notify_event();
1503 static void qemu_system_suspend(void)
1506 notifier_list_notify(&suspend_notifiers
, NULL
);
1507 runstate_set(RUN_STATE_SUSPENDED
);
1508 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1511 void qemu_system_suspend_request(void)
1513 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1516 suspend_requested
= 1;
1518 qemu_notify_event();
1521 void qemu_register_suspend_notifier(Notifier
*notifier
)
1523 notifier_list_add(&suspend_notifiers
, notifier
);
1526 void qemu_system_wakeup_request(WakeupReason reason
)
1528 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1531 if (!(wakeup_reason_mask
& (1 << reason
))) {
1534 runstate_set(RUN_STATE_RUNNING
);
1535 notifier_list_notify(&wakeup_notifiers
, &reason
);
1536 wakeup_requested
= 1;
1537 qemu_notify_event();
1540 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1543 wakeup_reason_mask
|= (1 << reason
);
1545 wakeup_reason_mask
&= ~(1 << reason
);
1549 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1551 notifier_list_add(&wakeup_notifiers
, notifier
);
1554 void qemu_system_killed(int signal
, pid_t pid
)
1556 shutdown_signal
= signal
;
1559 qemu_system_shutdown_request();
1562 void qemu_system_shutdown_request(void)
1564 shutdown_requested
= 1;
1565 qemu_notify_event();
1568 void qemu_system_powerdown_request(void)
1570 powerdown_requested
= 1;
1571 qemu_notify_event();
1574 void qemu_system_debug_request(void)
1576 debug_requested
= 1;
1577 qemu_notify_event();
1580 void qemu_system_vmstop_request(RunState state
)
1582 vmstop_requested
= state
;
1583 qemu_notify_event();
1586 qemu_irq qemu_system_powerdown
;
1588 static bool main_loop_should_exit(void)
1591 if (qemu_debug_requested()) {
1592 vm_stop(RUN_STATE_DEBUG
);
1594 if (qemu_suspend_requested()) {
1595 qemu_system_suspend();
1597 if (qemu_shutdown_requested()) {
1599 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1601 vm_stop(RUN_STATE_SHUTDOWN
);
1606 if (qemu_reset_requested()) {
1608 cpu_synchronize_all_states();
1609 qemu_system_reset(VMRESET_REPORT
);
1611 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1612 runstate_check(RUN_STATE_SHUTDOWN
)) {
1613 runstate_set(RUN_STATE_PAUSED
);
1616 if (qemu_wakeup_requested()) {
1618 cpu_synchronize_all_states();
1619 qemu_system_reset(VMRESET_SILENT
);
1621 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1623 if (qemu_powerdown_requested()) {
1624 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1625 qemu_irq_raise(qemu_system_powerdown
);
1627 if (qemu_vmstop_requested(&r
)) {
1633 static void main_loop(void)
1637 #ifdef CONFIG_PROFILER
1641 nonblocking
= !kvm_enabled() && last_io
> 0;
1642 #ifdef CONFIG_PROFILER
1643 ti
= profile_getclock();
1645 last_io
= main_loop_wait(nonblocking
);
1646 #ifdef CONFIG_PROFILER
1647 dev_time
+= profile_getclock() - ti
;
1649 } while (!main_loop_should_exit());
1652 static void version(void)
1654 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1657 static void help(int exitcode
)
1660 printf("usage: %s [options] [disk_image]\n\n"
1661 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1662 error_get_progname());
1664 #define QEMU_OPTIONS_GENERATE_HELP
1665 #include "qemu-options-wrapper.h"
1667 printf("\nDuring emulation, the following keys are useful:\n"
1668 "ctrl-alt-f toggle full screen\n"
1669 "ctrl-alt-n switch to virtual console 'n'\n"
1670 "ctrl-alt toggle mouse and keyboard grab\n"
1672 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1677 #define HAS_ARG 0x0001
1679 typedef struct QEMUOption
{
1686 static const QEMUOption qemu_options
[] = {
1687 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1688 #define QEMU_OPTIONS_GENERATE_OPTIONS
1689 #include "qemu-options-wrapper.h"
1693 static bool vga_available(void)
1695 return qdev_exists("VGA") || qdev_exists("isa-vga");
1698 static bool cirrus_vga_available(void)
1700 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1703 static bool vmware_vga_available(void)
1705 return qdev_exists("vmware-svga");
1708 static void select_vgahw (const char *p
)
1712 vga_interface_type
= VGA_NONE
;
1713 if (strstart(p
, "std", &opts
)) {
1714 if (vga_available()) {
1715 vga_interface_type
= VGA_STD
;
1717 fprintf(stderr
, "Error: standard VGA not available\n");
1720 } else if (strstart(p
, "cirrus", &opts
)) {
1721 if (cirrus_vga_available()) {
1722 vga_interface_type
= VGA_CIRRUS
;
1724 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1727 } else if (strstart(p
, "vmware", &opts
)) {
1728 if (vmware_vga_available()) {
1729 vga_interface_type
= VGA_VMWARE
;
1731 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1734 } else if (strstart(p
, "xenfb", &opts
)) {
1735 vga_interface_type
= VGA_XENFB
;
1736 } else if (strstart(p
, "qxl", &opts
)) {
1737 vga_interface_type
= VGA_QXL
;
1738 } else if (!strstart(p
, "none", &opts
)) {
1740 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1744 const char *nextopt
;
1746 if (strstart(opts
, ",retrace=", &nextopt
)) {
1748 if (strstart(opts
, "dumb", &nextopt
))
1749 vga_retrace_method
= VGA_RETRACE_DUMB
;
1750 else if (strstart(opts
, "precise", &nextopt
))
1751 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1752 else goto invalid_vga
;
1753 } else if (strstart(opts
, ",cga_hacks=", &nextopt
)) {
1756 if (strstart(opts
, "all", &nextopt
)) {
1758 vga_cga_hacks
|= ~0;
1759 } else if (strstart(opts
, "palette_blanking", &nextopt
)) {
1761 vga_cga_hacks
|= VGA_CGA_HACK_PALETTE_BLANKING
;
1762 } else if (strstart(opts
, "font_height", &nextopt
)) {
1764 vga_cga_hacks
|= VGA_CGA_HACK_FONT_HEIGHT
;
1775 } else goto invalid_vga
;
1780 static DisplayType
select_display(const char *p
)
1783 DisplayType display
= DT_DEFAULT
;
1785 if (strstart(p
, "sdl", &opts
)) {
1789 const char *nextopt
;
1791 if (strstart(opts
, ",frame=", &nextopt
)) {
1793 if (strstart(opts
, "on", &nextopt
)) {
1795 } else if (strstart(opts
, "off", &nextopt
)) {
1798 goto invalid_sdl_args
;
1800 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1802 if (strstart(opts
, "on", &nextopt
)) {
1804 } else if (strstart(opts
, "off", &nextopt
)) {
1807 goto invalid_sdl_args
;
1809 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1811 if (strstart(opts
, "on", &nextopt
)) {
1813 } else if (strstart(opts
, "off", &nextopt
)) {
1816 goto invalid_sdl_args
;
1818 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1820 if (strstart(opts
, "on", &nextopt
)) {
1822 } else if (strstart(opts
, "off", &nextopt
)) {
1825 goto invalid_sdl_args
;
1829 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1835 fprintf(stderr
, "SDL support is disabled\n");
1838 } else if (strstart(p
, "vnc", &opts
)) {
1843 const char *nextopt
;
1845 if (strstart(opts
, "=", &nextopt
)) {
1846 vnc_display
= nextopt
;
1850 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1854 fprintf(stderr
, "VNC support is disabled\n");
1857 } else if (strstart(p
, "curses", &opts
)) {
1858 #ifdef CONFIG_CURSES
1859 display
= DT_CURSES
;
1861 fprintf(stderr
, "Curses support is disabled\n");
1864 } else if (strstart(p
, "none", &opts
)) {
1867 fprintf(stderr
, "Unknown display type: %s\n", p
);
1874 static int balloon_parse(const char *arg
)
1878 if (strcmp(arg
, "none") == 0) {
1882 if (!strncmp(arg
, "virtio", 6)) {
1883 if (arg
[6] == ',') {
1884 /* have params -> parse them */
1885 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
1889 /* create empty opts */
1890 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0, NULL
);
1892 qemu_opt_set(opts
, "driver", "virtio-balloon");
1899 char *qemu_find_file(int type
, const char *name
)
1905 /* Try the name as a straight path first */
1906 if (access(name
, R_OK
) == 0) {
1907 return g_strdup(name
);
1910 case QEMU_FILE_TYPE_BIOS
:
1913 case QEMU_FILE_TYPE_KEYMAP
:
1914 subdir
= "keymaps/";
1919 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
1920 buf
= g_malloc0(len
);
1921 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
1922 if (access(buf
, R_OK
)) {
1929 static int device_help_func(QemuOpts
*opts
, void *opaque
)
1931 return qdev_device_help(opts
);
1934 static int device_init_func(QemuOpts
*opts
, void *opaque
)
1938 dev
= qdev_device_add(opts
);
1944 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
1946 CharDriverState
*chr
;
1948 chr
= qemu_chr_new_from_opts(opts
, NULL
);
1954 #ifdef CONFIG_VIRTFS
1955 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
1958 ret
= qemu_fsdev_add(opts
);
1964 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
1966 CharDriverState
*chr
;
1967 const char *chardev
;
1971 mode
= qemu_opt_get(opts
, "mode");
1975 if (strcmp(mode
, "readline") == 0) {
1976 flags
= MONITOR_USE_READLINE
;
1977 } else if (strcmp(mode
, "control") == 0) {
1978 flags
= MONITOR_USE_CONTROL
;
1980 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
1984 if (qemu_opt_get_bool(opts
, "pretty", 0))
1985 flags
|= MONITOR_USE_PRETTY
;
1987 if (qemu_opt_get_bool(opts
, "default", 0))
1988 flags
|= MONITOR_IS_DEFAULT
;
1990 chardev
= qemu_opt_get(opts
, "chardev");
1991 chr
= qemu_chr_find(chardev
);
1993 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
1997 monitor_init(chr
, flags
);
2001 static void monitor_parse(const char *optarg
, const char *mode
)
2003 static int monitor_device_index
= 0;
2009 if (strstart(optarg
, "chardev:", &p
)) {
2010 snprintf(label
, sizeof(label
), "%s", p
);
2012 snprintf(label
, sizeof(label
), "compat_monitor%d",
2013 monitor_device_index
);
2014 if (monitor_device_index
== 0) {
2017 opts
= qemu_chr_parse_compat(label
, optarg
);
2019 fprintf(stderr
, "parse error: %s\n", optarg
);
2024 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2026 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2029 qemu_opt_set(opts
, "mode", mode
);
2030 qemu_opt_set(opts
, "chardev", label
);
2032 qemu_opt_set(opts
, "default", "on");
2033 monitor_device_index
++;
2036 struct device_config
{
2038 DEV_USB
, /* -usbdevice */
2040 DEV_SERIAL
, /* -serial */
2041 DEV_PARALLEL
, /* -parallel */
2042 DEV_VIRTCON
, /* -virtioconsole */
2043 DEV_DEBUGCON
, /* -debugcon */
2044 DEV_GDB
, /* -gdb, -s */
2046 const char *cmdline
;
2048 QTAILQ_ENTRY(device_config
) next
;
2050 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
2052 static void add_device_config(int type
, const char *cmdline
)
2054 struct device_config
*conf
;
2056 conf
= g_malloc0(sizeof(*conf
));
2058 conf
->cmdline
= cmdline
;
2059 loc_save(&conf
->loc
);
2060 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2063 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2065 struct device_config
*conf
;
2068 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2069 if (conf
->type
!= type
)
2071 loc_push_restore(&conf
->loc
);
2072 rc
= func(conf
->cmdline
);
2073 loc_pop(&conf
->loc
);
2080 static int serial_parse(const char *devname
)
2082 static int index
= 0;
2085 if (strcmp(devname
, "none") == 0)
2087 if (index
== MAX_SERIAL_PORTS
) {
2088 fprintf(stderr
, "qemu: too many serial ports\n");
2091 snprintf(label
, sizeof(label
), "serial%d", index
);
2092 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2093 if (!serial_hds
[index
]) {
2094 fprintf(stderr
, "qemu: could not connect serial device"
2095 " to character backend '%s'\n", devname
);
2102 static int parallel_parse(const char *devname
)
2104 static int index
= 0;
2107 if (strcmp(devname
, "none") == 0)
2109 if (index
== MAX_PARALLEL_PORTS
) {
2110 fprintf(stderr
, "qemu: too many parallel ports\n");
2113 snprintf(label
, sizeof(label
), "parallel%d", index
);
2114 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2115 if (!parallel_hds
[index
]) {
2116 fprintf(stderr
, "qemu: could not connect parallel device"
2117 " to character backend '%s'\n", devname
);
2124 static int virtcon_parse(const char *devname
)
2126 QemuOptsList
*device
= qemu_find_opts("device");
2127 static int index
= 0;
2129 QemuOpts
*bus_opts
, *dev_opts
;
2131 if (strcmp(devname
, "none") == 0)
2133 if (index
== MAX_VIRTIO_CONSOLES
) {
2134 fprintf(stderr
, "qemu: too many virtio consoles\n");
2138 bus_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2139 if (arch_type
== QEMU_ARCH_S390X
) {
2140 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2142 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2145 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2146 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2148 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2149 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2150 if (!virtcon_hds
[index
]) {
2151 fprintf(stderr
, "qemu: could not connect virtio console"
2152 " to character backend '%s'\n", devname
);
2155 qemu_opt_set(dev_opts
, "chardev", label
);
2161 static int debugcon_parse(const char *devname
)
2165 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2168 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2170 fprintf(stderr
, "qemu: already have a debugcon device\n");
2173 qemu_opt_set(opts
, "driver", "isa-debugcon");
2174 qemu_opt_set(opts
, "chardev", "debugcon");
2178 static QEMUMachine
*machine_parse(const char *name
)
2180 QEMUMachine
*m
, *machine
= NULL
;
2183 machine
= find_machine(name
);
2188 printf("Supported machines are:\n");
2189 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2191 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2193 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2194 m
->is_default
? " (default)" : "");
2196 exit(!name
|| !is_help_option(name
));
2199 static int tcg_init(void)
2201 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2206 const char *opt_name
;
2208 int (*available
)(void);
2212 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2213 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2214 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2215 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2218 static int configure_accelerator(void)
2220 const char *p
= NULL
;
2223 bool accel_initialised
= 0;
2224 bool init_failed
= 0;
2226 QemuOptsList
*list
= qemu_find_opts("machine");
2227 if (!QTAILQ_EMPTY(&list
->head
)) {
2228 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2232 /* Use the default "accelerator", tcg */
2236 while (!accel_initialised
&& *p
!= '\0') {
2240 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2241 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2242 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2243 *(accel_list
[i
].allowed
) = 1;
2244 ret
= accel_list
[i
].init();
2247 if (!accel_list
[i
].available()) {
2248 printf("%s not supported for this target\n",
2249 accel_list
[i
].name
);
2251 fprintf(stderr
, "failed to initialize %s: %s\n",
2255 *(accel_list
[i
].allowed
) = 0;
2257 accel_initialised
= 1;
2262 if (i
== ARRAY_SIZE(accel_list
)) {
2263 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2267 if (!accel_initialised
) {
2268 fprintf(stderr
, "No accelerator found!\n");
2273 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2276 return !accel_initialised
;
2279 void qemu_add_exit_notifier(Notifier
*notify
)
2281 notifier_list_add(&exit_notifiers
, notify
);
2284 void qemu_remove_exit_notifier(Notifier
*notify
)
2286 notifier_remove(notify
);
2289 static void qemu_run_exit_notifiers(void)
2291 notifier_list_notify(&exit_notifiers
, NULL
);
2294 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2296 notifier_list_add(&machine_init_done_notifiers
, notify
);
2299 static void qemu_run_machine_init_done_notifiers(void)
2301 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2304 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2305 const char **poptarg
, int *poptind
)
2307 const QEMUOption
*popt
;
2308 int optind
= *poptind
;
2309 char *r
= argv
[optind
];
2312 loc_set_cmdline(argv
, optind
, 1);
2314 /* Treat --foo the same as -foo. */
2317 popt
= qemu_options
;
2320 error_report("invalid option");
2323 if (!strcmp(popt
->name
, r
+ 1))
2327 if (popt
->flags
& HAS_ARG
) {
2328 if (optind
>= argc
) {
2329 error_report("requires an argument");
2332 optarg
= argv
[optind
++];
2333 loc_set_cmdline(argv
, optind
- 2, 2);
2344 static gpointer
malloc_and_trace(gsize n_bytes
)
2346 void *ptr
= malloc(n_bytes
);
2347 trace_g_malloc(n_bytes
, ptr
);
2351 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2353 void *ptr
= realloc(mem
, n_bytes
);
2354 trace_g_realloc(mem
, n_bytes
, ptr
);
2358 static void free_and_trace(gpointer mem
)
2364 int qemu_init_main_loop(void)
2366 return main_loop_init();
2369 int main(int argc
, char **argv
, char **envp
)
2372 int snapshot
, linux_boot
;
2373 const char *icount_option
= NULL
;
2374 const char *initrd_filename
;
2375 const char *kernel_filename
, *kernel_cmdline
;
2376 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2378 DisplayChangeListener
*dcl
;
2379 char hdachs_params
[512]; /* save -hdachs to apply to later -hda */
2380 QemuOpts
*hda_opts
= NULL
; /* save -hda to be modified by later -hdachs */
2381 QemuOpts
*opts
, *machine_opts
;
2382 QemuOptsList
*olist
;
2385 const char *loadvm
= NULL
;
2386 QEMUMachine
*machine
;
2387 const char *cpu_model
;
2388 const char *vga_model
= "none";
2389 const char *pid_file
= NULL
;
2390 const char *incoming
= NULL
;
2392 int show_vnc_port
= 0;
2394 bool defconfig
= true;
2395 bool userconfig
= true;
2396 const char *log_mask
= NULL
;
2397 const char *log_file
= NULL
;
2398 GMemVTable mem_trace
= {
2399 .malloc
= malloc_and_trace
,
2400 .realloc
= realloc_and_trace
,
2401 .free
= free_and_trace
,
2403 const char *trace_events
= NULL
;
2404 const char *trace_file
= NULL
;
2406 atexit(qemu_run_exit_notifiers
);
2407 error_set_progname(argv
[0]);
2409 g_mem_set_vtable(&mem_trace
);
2410 if (!g_thread_supported()) {
2411 #if !GLIB_CHECK_VERSION(2, 31, 0)
2412 g_thread_init(NULL
);
2414 fprintf(stderr
, "glib threading failed to initialize.\n");
2419 module_call_init(MODULE_INIT_QOM
);
2424 rtc_clock
= host_clock
;
2426 qemu_cache_utils_init(envp
);
2428 QLIST_INIT (&vm_change_state_head
);
2429 os_setup_early_signal_handling();
2431 module_call_init(MODULE_INIT_MACHINE
);
2432 machine
= find_default_machine();
2436 snprintf(hdachs_params
, sizeof(hdachs_params
), "%s", HD_OPTS
);
2438 for (i
= 0; i
< MAX_NODES
; i
++) {
2440 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2448 /* first pass of option parsing */
2450 while (optind
< argc
) {
2451 if (argv
[optind
][0] != '-') {
2456 const QEMUOption
*popt
;
2458 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2459 switch (popt
->index
) {
2460 case QEMU_OPTION_nodefconfig
:
2463 case QEMU_OPTION_nouserconfig
:
2472 ret
= qemu_read_default_config_files(userconfig
);
2478 /* second pass of option parsing */
2483 if (argv
[optind
][0] != '-') {
2484 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], hdachs_params
);
2486 const QEMUOption
*popt
;
2488 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2489 if (!(popt
->arch_mask
& arch_type
)) {
2490 printf("Option %s not supported for this target\n", popt
->name
);
2493 switch(popt
->index
) {
2495 machine
= machine_parse(optarg
);
2497 case QEMU_OPTION_cpu
:
2498 /* hw initialization will check this */
2501 case QEMU_OPTION_hda
:
2502 hda_opts
= drive_add(IF_DEFAULT
, 0, optarg
, hdachs_params
);
2504 case QEMU_OPTION_hdb
:
2505 case QEMU_OPTION_hdc
:
2506 case QEMU_OPTION_hdd
:
2507 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2510 case QEMU_OPTION_drive
:
2511 if (drive_def(optarg
) == NULL
) {
2515 case QEMU_OPTION_set
:
2516 if (qemu_set_option(optarg
) != 0)
2519 case QEMU_OPTION_global
:
2520 if (qemu_global_option(optarg
) != 0)
2523 case QEMU_OPTION_mtdblock
:
2524 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2526 case QEMU_OPTION_sd
:
2527 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2529 case QEMU_OPTION_pflash
:
2530 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2532 case QEMU_OPTION_snapshot
:
2535 case QEMU_OPTION_hdachs
:
2537 int cyls
, heads
, secs
, translation
;
2539 cyls
= heads
= secs
= 0;
2540 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2542 cyls
= strtol(p
, (char **)&p
, 0);
2543 if (cyls
< 1 || cyls
> 16383)
2548 heads
= strtol(p
, (char **)&p
, 0);
2549 if (heads
< 1 || heads
> 16)
2554 secs
= strtol(p
, (char **)&p
, 0);
2555 if (secs
< 1 || secs
> 63)
2559 if (!strcmp(p
, "none"))
2560 translation
= BIOS_ATA_TRANSLATION_NONE
;
2561 else if (!strcmp(p
, "lba"))
2562 translation
= BIOS_ATA_TRANSLATION_LBA
;
2563 else if (!strcmp(p
, "auto"))
2564 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2567 } else if (*p
!= '\0') {
2569 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2572 snprintf(hdachs_params
, sizeof(hdachs_params
),
2573 "%s,cyls=%d,heads=%d,secs=%d%s",
2574 HD_OPTS
, cyls
, heads
, secs
,
2575 translation
== BIOS_ATA_TRANSLATION_LBA
?
2577 translation
== BIOS_ATA_TRANSLATION_NONE
?
2578 ",trans=none" : "");
2579 if (hda_opts
!= NULL
) {
2581 snprintf(num
, sizeof(num
), "%d", cyls
);
2582 qemu_opt_set(hda_opts
, "cyls", num
);
2583 snprintf(num
, sizeof(num
), "%d", heads
);
2584 qemu_opt_set(hda_opts
, "heads", num
);
2585 snprintf(num
, sizeof(num
), "%d", secs
);
2586 qemu_opt_set(hda_opts
, "secs", num
);
2587 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2588 qemu_opt_set(hda_opts
, "trans", "lba");
2589 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2590 qemu_opt_set(hda_opts
, "trans", "none");
2594 case QEMU_OPTION_numa
:
2595 if (nb_numa_nodes
>= MAX_NODES
) {
2596 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2601 case QEMU_OPTION_display
:
2602 display_type
= select_display(optarg
);
2604 case QEMU_OPTION_nographic
:
2605 display_type
= DT_NOGRAPHIC
;
2607 case QEMU_OPTION_curses
:
2608 #ifdef CONFIG_CURSES
2609 display_type
= DT_CURSES
;
2611 fprintf(stderr
, "Curses support is disabled\n");
2615 case QEMU_OPTION_portrait
:
2616 graphic_rotate
= 90;
2618 case QEMU_OPTION_rotate
:
2619 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2620 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2621 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2623 "qemu: only 90, 180, 270 deg rotation is available\n");
2627 case QEMU_OPTION_kernel
:
2628 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
2630 case QEMU_OPTION_initrd
:
2631 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
2633 case QEMU_OPTION_append
:
2634 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
2636 case QEMU_OPTION_dtb
:
2637 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
2639 case QEMU_OPTION_cdrom
:
2640 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2642 case QEMU_OPTION_boot
:
2644 static const char * const params
[] = {
2645 "order", "once", "menu",
2646 "splash", "splash-time", NULL
2648 char buf
[sizeof(boot_devices
)];
2649 char *standard_boot_devices
;
2652 if (!strchr(optarg
, '=')) {
2654 pstrcpy(buf
, sizeof(buf
), optarg
);
2655 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2657 "qemu: unknown boot parameter '%s' in '%s'\n",
2663 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2664 validate_bootdevices(buf
);
2665 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2668 if (get_param_value(buf
, sizeof(buf
),
2670 validate_bootdevices(buf
);
2671 standard_boot_devices
= g_strdup(boot_devices
);
2672 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2673 qemu_register_reset(restore_boot_devices
,
2674 standard_boot_devices
);
2676 if (get_param_value(buf
, sizeof(buf
),
2678 if (!strcmp(buf
, "on")) {
2680 } else if (!strcmp(buf
, "off")) {
2684 "qemu: invalid option value '%s'\n",
2689 qemu_opts_parse(qemu_find_opts("boot-opts"),
2694 case QEMU_OPTION_fda
:
2695 case QEMU_OPTION_fdb
:
2696 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2699 case QEMU_OPTION_no_fd_bootchk
:
2702 case QEMU_OPTION_netdev
:
2703 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2707 case QEMU_OPTION_net
:
2708 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2712 #ifdef CONFIG_LIBISCSI
2713 case QEMU_OPTION_iscsi
:
2714 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
2721 case QEMU_OPTION_tftp
:
2722 legacy_tftp_prefix
= optarg
;
2724 case QEMU_OPTION_bootp
:
2725 legacy_bootp_filename
= optarg
;
2727 case QEMU_OPTION_redir
:
2728 if (net_slirp_redir(optarg
) < 0)
2732 case QEMU_OPTION_bt
:
2733 add_device_config(DEV_BT
, optarg
);
2735 case QEMU_OPTION_audio_help
:
2736 if (!(audio_available())) {
2737 printf("Option %s not supported for this target\n", popt
->name
);
2743 case QEMU_OPTION_soundhw
:
2744 if (!(audio_available())) {
2745 printf("Option %s not supported for this target\n", popt
->name
);
2748 select_soundhw (optarg
);
2753 case QEMU_OPTION_version
:
2757 case QEMU_OPTION_m
: {
2762 value
= strtosz(optarg
, &end
);
2763 if (value
< 0 || *end
) {
2764 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2767 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
2769 if (ram_size
!= sz
) {
2770 fprintf(stderr
, "qemu: ram size too large\n");
2775 case QEMU_OPTION_mempath
:
2779 case QEMU_OPTION_mem_prealloc
:
2790 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
2792 case QEMU_OPTION_gdb
:
2793 add_device_config(DEV_GDB
, optarg
);
2798 case QEMU_OPTION_bios
:
2801 case QEMU_OPTION_singlestep
:
2808 keyboard_layout
= optarg
;
2810 case QEMU_OPTION_localtime
:
2813 case QEMU_OPTION_vga
:
2822 w
= strtol(p
, (char **)&p
, 10);
2825 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2831 h
= strtol(p
, (char **)&p
, 10);
2836 depth
= strtol(p
, (char **)&p
, 10);
2837 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2838 depth
!= 24 && depth
!= 32)
2840 } else if (*p
== '\0') {
2841 depth
= graphic_depth
;
2848 graphic_depth
= depth
;
2851 case QEMU_OPTION_echr
:
2854 term_escape_char
= strtol(optarg
, &r
, 0);
2856 printf("Bad argument to echr\n");
2859 case QEMU_OPTION_monitor
:
2860 monitor_parse(optarg
, "readline");
2861 default_monitor
= 0;
2863 case QEMU_OPTION_qmp
:
2864 monitor_parse(optarg
, "control");
2865 default_monitor
= 0;
2867 case QEMU_OPTION_mon
:
2868 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2872 default_monitor
= 0;
2874 case QEMU_OPTION_chardev
:
2875 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2880 case QEMU_OPTION_fsdev
:
2881 olist
= qemu_find_opts("fsdev");
2883 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
2886 opts
= qemu_opts_parse(olist
, optarg
, 1);
2888 fprintf(stderr
, "parse error: %s\n", optarg
);
2892 case QEMU_OPTION_virtfs
: {
2895 const char *writeout
, *sock_fd
, *socket
;
2897 olist
= qemu_find_opts("virtfs");
2899 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
2902 opts
= qemu_opts_parse(olist
, optarg
, 1);
2904 fprintf(stderr
, "parse error: %s\n", optarg
);
2908 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
2909 qemu_opt_get(opts
, "mount_tag") == NULL
) {
2910 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2913 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
2914 qemu_opt_get(opts
, "mount_tag"),
2917 fprintf(stderr
, "duplicate fsdev id: %s\n",
2918 qemu_opt_get(opts
, "mount_tag"));
2922 writeout
= qemu_opt_get(opts
, "writeout");
2924 #ifdef CONFIG_SYNC_FILE_RANGE
2925 qemu_opt_set(fsdev
, "writeout", writeout
);
2927 fprintf(stderr
, "writeout=immediate not supported on "
2932 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
2933 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
2934 qemu_opt_set(fsdev
, "security_model",
2935 qemu_opt_get(opts
, "security_model"));
2936 socket
= qemu_opt_get(opts
, "socket");
2938 qemu_opt_set(fsdev
, "socket", socket
);
2940 sock_fd
= qemu_opt_get(opts
, "sock_fd");
2942 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
2945 qemu_opt_set_bool(fsdev
, "readonly",
2946 qemu_opt_get_bool(opts
, "readonly", 0));
2947 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2949 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2950 qemu_opt_set(device
, "fsdev",
2951 qemu_opt_get(opts
, "mount_tag"));
2952 qemu_opt_set(device
, "mount_tag",
2953 qemu_opt_get(opts
, "mount_tag"));
2956 case QEMU_OPTION_virtfs_synth
: {
2960 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2963 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
2966 qemu_opt_set(fsdev
, "fsdriver", "synth");
2968 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2970 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2971 qemu_opt_set(device
, "fsdev", "v_synth");
2972 qemu_opt_set(device
, "mount_tag", "v_synth");
2975 case QEMU_OPTION_serial
:
2976 add_device_config(DEV_SERIAL
, optarg
);
2978 if (strncmp(optarg
, "mon:", 4) == 0) {
2979 default_monitor
= 0;
2982 case QEMU_OPTION_watchdog
:
2985 "qemu: only one watchdog option may be given\n");
2990 case QEMU_OPTION_watchdog_action
:
2991 if (select_watchdog_action(optarg
) == -1) {
2992 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
2996 case QEMU_OPTION_virtiocon
:
2997 add_device_config(DEV_VIRTCON
, optarg
);
2998 default_virtcon
= 0;
2999 if (strncmp(optarg
, "mon:", 4) == 0) {
3000 default_monitor
= 0;
3003 case QEMU_OPTION_parallel
:
3004 add_device_config(DEV_PARALLEL
, optarg
);
3005 default_parallel
= 0;
3006 if (strncmp(optarg
, "mon:", 4) == 0) {
3007 default_monitor
= 0;
3010 case QEMU_OPTION_debugcon
:
3011 add_device_config(DEV_DEBUGCON
, optarg
);
3013 case QEMU_OPTION_loadvm
:
3016 case QEMU_OPTION_full_screen
:
3020 case QEMU_OPTION_no_frame
:
3023 case QEMU_OPTION_alt_grab
:
3026 case QEMU_OPTION_ctrl_grab
:
3029 case QEMU_OPTION_no_quit
:
3032 case QEMU_OPTION_sdl
:
3033 display_type
= DT_SDL
;
3036 case QEMU_OPTION_no_frame
:
3037 case QEMU_OPTION_alt_grab
:
3038 case QEMU_OPTION_ctrl_grab
:
3039 case QEMU_OPTION_no_quit
:
3040 case QEMU_OPTION_sdl
:
3041 fprintf(stderr
, "SDL support is disabled\n");
3044 case QEMU_OPTION_pidfile
:
3047 case QEMU_OPTION_win2k_hack
:
3048 win2k_install_hack
= 1;
3050 case QEMU_OPTION_no_spurious_interrupt_hack
:
3051 no_spurious_interrupt_hack
= 1;
3053 case QEMU_OPTION_rtc_td_hack
: {
3054 static GlobalProperty slew_lost_ticks
[] = {
3056 .driver
= "mc146818rtc",
3057 .property
= "lost_tick_policy",
3060 { /* end of list */ }
3063 qdev_prop_register_global_list(slew_lost_ticks
);
3066 case QEMU_OPTION_acpitable
:
3067 do_acpitable_option(optarg
);
3069 case QEMU_OPTION_smbios
:
3070 do_smbios_option(optarg
);
3072 case QEMU_OPTION_enable_kvm
:
3073 olist
= qemu_find_opts("machine");
3074 qemu_opts_parse(olist
, "accel=kvm", 0);
3076 case QEMU_OPTION_machine
:
3077 olist
= qemu_find_opts("machine");
3078 opts
= qemu_opts_parse(olist
, optarg
, 1);
3080 fprintf(stderr
, "parse error: %s\n", optarg
);
3083 optarg
= qemu_opt_get(opts
, "type");
3085 machine
= machine_parse(optarg
);
3088 case QEMU_OPTION_usb
:
3091 case QEMU_OPTION_usbdevice
:
3093 add_device_config(DEV_USB
, optarg
);
3095 case QEMU_OPTION_device
:
3096 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3100 case QEMU_OPTION_smp
:
3103 fprintf(stderr
, "Invalid number of CPUs\n");
3106 if (max_cpus
< smp_cpus
) {
3107 fprintf(stderr
, "maxcpus must be equal to or greater than "
3111 if (max_cpus
> 255) {
3112 fprintf(stderr
, "Unsupported number of maxcpus\n");
3116 case QEMU_OPTION_vnc
:
3119 vnc_display
= optarg
;
3121 fprintf(stderr
, "VNC support is disabled\n");
3125 case QEMU_OPTION_no_acpi
:
3128 case QEMU_OPTION_no_hpet
:
3131 case QEMU_OPTION_balloon
:
3132 if (balloon_parse(optarg
) < 0) {
3133 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3137 case QEMU_OPTION_no_reboot
:
3140 case QEMU_OPTION_no_shutdown
:
3143 case QEMU_OPTION_show_cursor
:
3146 case QEMU_OPTION_uuid
:
3147 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3148 fprintf(stderr
, "Fail to parse UUID string."
3149 " Wrong format.\n");
3153 case QEMU_OPTION_option_rom
:
3154 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3155 fprintf(stderr
, "Too many option ROMs\n");
3158 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3159 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3160 option_rom
[nb_option_roms
].bootindex
=
3161 qemu_opt_get_number(opts
, "bootindex", -1);
3162 if (!option_rom
[nb_option_roms
].name
) {
3163 fprintf(stderr
, "Option ROM file is not specified\n");
3168 case QEMU_OPTION_semihosting
:
3169 semihosting_enabled
= 1;
3171 case QEMU_OPTION_name
:
3172 qemu_name
= g_strdup(optarg
);
3174 char *p
= strchr(qemu_name
, ',');
3177 if (strncmp(p
, "process=", 8)) {
3178 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3182 os_set_proc_name(p
);
3186 case QEMU_OPTION_prom_env
:
3187 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3188 fprintf(stderr
, "Too many prom variables\n");
3191 prom_envs
[nb_prom_envs
] = optarg
;
3194 case QEMU_OPTION_old_param
:
3197 case QEMU_OPTION_clock
:
3198 configure_alarms(optarg
);
3200 case QEMU_OPTION_startdate
:
3201 configure_rtc_date_offset(optarg
, 1);
3203 case QEMU_OPTION_rtc
:
3204 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3208 configure_rtc(opts
);
3210 case QEMU_OPTION_tb_size
:
3211 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3212 if (tcg_tb_size
< 0) {
3216 case QEMU_OPTION_icount
:
3217 icount_option
= optarg
;
3219 case QEMU_OPTION_incoming
:
3221 runstate_set(RUN_STATE_INMIGRATE
);
3223 case QEMU_OPTION_nodefaults
:
3225 default_parallel
= 0;
3226 default_virtcon
= 0;
3227 default_monitor
= 0;
3234 case QEMU_OPTION_xen_domid
:
3235 if (!(xen_available())) {
3236 printf("Option %s not supported for this target\n", popt
->name
);
3239 xen_domid
= atoi(optarg
);
3241 case QEMU_OPTION_xen_create
:
3242 if (!(xen_available())) {
3243 printf("Option %s not supported for this target\n", popt
->name
);
3246 xen_mode
= XEN_CREATE
;
3248 case QEMU_OPTION_xen_attach
:
3249 if (!(xen_available())) {
3250 printf("Option %s not supported for this target\n", popt
->name
);
3253 xen_mode
= XEN_ATTACH
;
3255 case QEMU_OPTION_trace
:
3257 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3261 trace_events
= qemu_opt_get(opts
, "events");
3262 trace_file
= qemu_opt_get(opts
, "file");
3265 case QEMU_OPTION_readconfig
:
3267 int ret
= qemu_read_config_file(optarg
);
3269 fprintf(stderr
, "read config %s: %s\n", optarg
,
3275 case QEMU_OPTION_spice
:
3276 olist
= qemu_find_opts("spice");
3278 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3281 opts
= qemu_opts_parse(olist
, optarg
, 0);
3283 fprintf(stderr
, "parse error: %s\n", optarg
);
3287 case QEMU_OPTION_writeconfig
:
3290 if (strcmp(optarg
, "-") == 0) {
3293 fp
= fopen(optarg
, "w");
3295 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3299 qemu_config_write(fp
);
3303 case QEMU_OPTION_qtest
:
3304 qtest_chrdev
= optarg
;
3306 case QEMU_OPTION_qtest_log
:
3309 case QEMU_OPTION_sandbox
:
3310 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3316 os_parse_cmd_args(popt
->index
, optarg
);
3322 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3326 if (machine
== NULL
) {
3327 fprintf(stderr
, "No machine found.\n");
3331 if (machine
->hw_version
) {
3332 qemu_set_version(machine
->hw_version
);
3335 /* Init CPU def lists, based on config
3336 * - Must be called after all the qemu_read_config_file() calls
3337 * - Must be called before list_cpus()
3338 * - Must be called before machine->init()
3342 if (cpu_model
&& is_help_option(cpu_model
)) {
3343 list_cpus(stdout
, &fprintf
, cpu_model
);
3347 /* Open the logfile at this point, if necessary. We can't open the logfile
3348 * when encountering either of the logging options (-d or -D) because the
3349 * other one may be encountered later on the command line, changing the
3350 * location or level of logging.
3354 set_cpu_log_filename(log_file
);
3356 set_cpu_log(log_mask
);
3359 if (!trace_backend_init(trace_events
, trace_file
)) {
3363 /* If no data_dir is specified then try to find it relative to the
3366 data_dir
= os_find_datadir(argv
[0]);
3368 /* If all else fails use the install path specified when building. */
3370 data_dir
= CONFIG_QEMU_DATADIR
;
3374 * Default to max_cpus = smp_cpus, in case the user doesn't
3375 * specify a max_cpus value.
3378 max_cpus
= smp_cpus
;
3380 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3381 if (smp_cpus
> machine
->max_cpus
) {
3382 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3383 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3389 * Get the default machine options from the machine if it is not already
3390 * specified either by the configuration file or by the command line.
3392 if (machine
->default_machine_opts
) {
3393 qemu_opts_set_defaults(qemu_find_opts("machine"),
3394 machine
->default_machine_opts
, 0);
3397 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3398 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3400 if (machine
->no_serial
) {
3403 if (machine
->no_parallel
) {
3404 default_parallel
= 0;
3406 if (!machine
->use_virtcon
) {
3407 default_virtcon
= 0;
3409 if (machine
->no_floppy
) {
3412 if (machine
->no_cdrom
) {
3415 if (machine
->no_sdcard
) {
3419 if (display_type
== DT_NOGRAPHIC
) {
3420 if (default_parallel
)
3421 add_device_config(DEV_PARALLEL
, "null");
3422 if (default_serial
&& default_monitor
) {
3423 add_device_config(DEV_SERIAL
, "mon:stdio");
3424 } else if (default_virtcon
&& default_monitor
) {
3425 add_device_config(DEV_VIRTCON
, "mon:stdio");
3428 add_device_config(DEV_SERIAL
, "stdio");
3429 if (default_virtcon
)
3430 add_device_config(DEV_VIRTCON
, "stdio");
3431 if (default_monitor
)
3432 monitor_parse("stdio", "readline");
3436 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3437 if (default_parallel
)
3438 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3439 if (default_monitor
)
3440 monitor_parse("vc:80Cx24C", "readline");
3441 if (default_virtcon
)
3442 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3447 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3449 #ifdef CONFIG_VIRTFS
3450 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3457 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3462 /* init the memory */
3463 if (ram_size
== 0) {
3464 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3467 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
3472 configure_accelerator();
3474 qemu_init_cpu_loop();
3475 if (qemu_init_main_loop()) {
3476 fprintf(stderr
, "qemu_init_main_loop failed\n");
3480 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
3482 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
3483 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
3484 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
3486 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
3489 if (!kernel_cmdline
) {
3490 kernel_cmdline
= "";
3493 linux_boot
= (kernel_filename
!= NULL
);
3495 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3496 fprintf(stderr
, "-append only allowed with -kernel option\n");
3500 if (!linux_boot
&& initrd_filename
!= NULL
) {
3501 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3505 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
3506 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
3510 os_set_line_buffering();
3512 if (init_timer_alarm() < 0) {
3513 fprintf(stderr
, "could not initialize alarm timer\n");
3518 /* spice needs the timers to be initialized by this point */
3522 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
3523 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
3526 configure_icount(icount_option
);
3528 if (net_init_clients() < 0) {
3532 /* init the bluetooth world */
3533 if (foreach_device_config(DEV_BT
, bt_parse
))
3536 if (!xen_enabled()) {
3537 /* On 32-bit hosts, QEMU is limited by virtual address space */
3538 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
3539 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
3544 cpu_exec_init_all();
3546 bdrv_init_with_whitelist();
3550 /* open the virtual block devices */
3552 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3553 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3556 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3557 IF_DEFAULT
, 2, CDROM_OPTS
);
3558 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3559 IF_FLOPPY
, 0, FD_OPTS
);
3560 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3563 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
3565 if (nb_numa_nodes
> 0) {
3568 if (nb_numa_nodes
> MAX_NODES
) {
3569 nb_numa_nodes
= MAX_NODES
;
3572 /* If no memory size if given for any node, assume the default case
3573 * and distribute the available memory equally across all nodes
3575 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3576 if (node_mem
[i
] != 0)
3579 if (i
== nb_numa_nodes
) {
3580 uint64_t usedmem
= 0;
3582 /* On Linux, the each node's border has to be 8MB aligned,
3583 * the final node gets the rest.
3585 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3586 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3587 usedmem
+= node_mem
[i
];
3589 node_mem
[i
] = ram_size
- usedmem
;
3592 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3593 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
3597 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3598 * must cope with this anyway, because there are BIOSes out there in
3599 * real machines which also use this scheme.
3601 if (i
== nb_numa_nodes
) {
3602 for (i
= 0; i
< max_cpus
; i
++) {
3603 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
3608 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3612 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3614 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3616 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3618 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3621 /* If no default VGA is requested, the default is "none". */
3622 if (default_vga
&& cirrus_vga_available()) {
3623 vga_model
= "cirrus";
3625 select_vgahw(vga_model
);
3628 i
= select_watchdog(watchdog
);
3630 exit (i
== 1 ? 1 : 0);
3633 if (machine
->compat_props
) {
3634 qdev_prop_register_global_list(machine
->compat_props
);
3638 qdev_machine_init();
3640 machine
->init(ram_size
, boot_devices
,
3641 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
3643 cpu_synchronize_all_post_init();
3647 current_machine
= machine
;
3649 /* init USB devices */
3651 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3655 /* init generic devices */
3656 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3659 net_check_clients();
3661 /* just use the first displaystate for the moment */
3662 ds
= get_displaystate();
3666 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3667 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3668 display_type
= DT_SDL
;
3669 #elif defined(CONFIG_VNC)
3670 vnc_display
= "localhost:0,to=99";
3673 display_type
= DT_NONE
;
3678 /* init local displays */
3679 switch (display_type
) {
3682 #if defined(CONFIG_CURSES)
3684 curses_display_init(ds
, full_screen
);
3687 #if defined(CONFIG_SDL)
3689 sdl_display_init(ds
, full_screen
, no_frame
);
3691 #elif defined(CONFIG_COCOA)
3693 cocoa_display_init(ds
, full_screen
);
3700 /* must be after terminal init, SDL library changes signal handlers */
3701 os_setup_signal_handling();
3704 /* init remote displays */
3706 vnc_display_init(ds
);
3707 if (vnc_display_open(ds
, vnc_display
) < 0) {
3708 fprintf(stderr
, "Failed to start VNC server on `%s'\n",
3713 if (show_vnc_port
) {
3714 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3719 if (using_spice
&& !qxl_enabled
) {
3720 qemu_spice_display_init(ds
);
3726 dcl
= ds
->listeners
;
3727 while (dcl
!= NULL
) {
3728 if (dcl
->dpy_refresh
!= NULL
) {
3729 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
3730 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
3735 text_consoles_set_display(ds
);
3737 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
3741 qdev_machine_creation_done();
3743 if (rom_load_all() != 0) {
3744 fprintf(stderr
, "rom loading failed\n");
3748 /* TODO: once all bus devices are qdevified, this should be done
3749 * when bus is created by qdev.c */
3750 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3751 qemu_run_machine_init_done_notifiers();
3753 qemu_system_reset(VMRESET_SILENT
);
3755 if (load_vmstate(loadvm
) < 0) {
3762 int ret
= qemu_start_incoming_migration(incoming
, &errp
);
3764 if (error_is_set(&errp
)) {
3765 fprintf(stderr
, "Migrate: %s\n", error_get_pretty(errp
));
3768 fprintf(stderr
, "Migration failed. Exit code %s(%d), exiting.\n",
3772 } else if (autostart
) {