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 DisplayType display_type
= DT_DEFAULT
;
183 int display_remote
= 0;
184 const char* keyboard_layout
= NULL
;
186 const char *mem_path
= NULL
;
188 int mem_prealloc
= 0; /* force preallocation of physical target memory */
191 NICInfo nd_table
[MAX_NICS
];
193 static int rtc_utc
= 1;
194 static int rtc_date_offset
= -1; /* -1 means no change */
195 QEMUClock
*rtc_clock
;
196 int vga_interface_type
= VGA_NONE
;
197 static int full_screen
= 0;
199 static int no_frame
= 0;
202 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
203 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
204 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
205 int win2k_install_hack
= 0;
212 const char *vnc_display
;
214 int acpi_enabled
= 1;
220 int graphic_rotate
= 0;
221 const char *watchdog
;
222 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
224 int semihosting_enabled
= 0;
226 const char *qemu_name
;
229 unsigned int nb_prom_envs
= 0;
230 const char *prom_envs
[MAX_PROM_ENVS
];
232 uint8_t *boot_splash_filedata
;
233 int boot_splash_filedata_size
;
234 uint8_t qemu_extra_params_fw
[2];
236 typedef struct FWBootEntry FWBootEntry
;
239 QTAILQ_ENTRY(FWBootEntry
) link
;
245 QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
= QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
248 uint64_t node_mem
[MAX_NODES
];
249 unsigned long *node_cpumask
[MAX_NODES
];
251 uint8_t qemu_uuid
[16];
253 static QEMUBootSetHandler
*boot_set_handler
;
254 static void *boot_set_opaque
;
256 static NotifierList exit_notifiers
=
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
259 static NotifierList machine_init_done_notifiers
=
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
262 static int tcg_allowed
= 1;
266 enum xen_mode xen_mode
= XEN_EMULATE
;
267 static int tcg_tb_size
;
269 static int default_serial
= 1;
270 static int default_parallel
= 1;
271 static int default_virtcon
= 1;
272 static int default_monitor
= 1;
273 static int default_floppy
= 1;
274 static int default_cdrom
= 1;
275 static int default_sdcard
= 1;
276 static int default_vga
= 1;
282 { .driver
= "isa-serial", .flag
= &default_serial
},
283 { .driver
= "isa-parallel", .flag
= &default_parallel
},
284 { .driver
= "isa-fdc", .flag
= &default_floppy
},
285 { .driver
= "ide-cd", .flag
= &default_cdrom
},
286 { .driver
= "ide-hd", .flag
= &default_cdrom
},
287 { .driver
= "ide-drive", .flag
= &default_cdrom
},
288 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
289 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
290 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
291 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
292 { .driver
= "VGA", .flag
= &default_vga
},
293 { .driver
= "isa-vga", .flag
= &default_vga
},
294 { .driver
= "cirrus-vga", .flag
= &default_vga
},
295 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
296 { .driver
= "vmware-svga", .flag
= &default_vga
},
297 { .driver
= "qxl-vga", .flag
= &default_vga
},
300 const char *qemu_get_vm_name(void)
305 static void res_free(void)
307 if (boot_splash_filedata
!= NULL
) {
308 g_free(boot_splash_filedata
);
309 boot_splash_filedata
= NULL
;
313 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
315 const char *driver
= qemu_opt_get(opts
, "driver");
320 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
321 if (strcmp(default_list
[i
].driver
, driver
) != 0)
323 *(default_list
[i
].flag
) = 0;
328 /***********************************************************/
331 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
336 } RunStateTransition
;
338 static const RunStateTransition runstate_transitions_def
[] = {
340 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
342 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
343 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
345 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
346 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
348 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
349 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
351 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
352 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
354 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
355 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
357 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
358 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
359 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
361 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
362 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
364 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
366 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
367 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
368 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
369 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
370 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
371 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
372 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
373 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
374 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
376 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
378 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
379 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
381 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
382 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
383 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
384 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
386 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
387 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
389 { RUN_STATE_MAX
, RUN_STATE_MAX
},
392 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
394 bool runstate_check(RunState state
)
396 return current_run_state
== state
;
399 void runstate_init(void)
401 const RunStateTransition
*p
;
403 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
405 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
406 runstate_valid_transitions
[p
->from
][p
->to
] = true;
410 /* This function will abort() on invalid state transitions */
411 void runstate_set(RunState new_state
)
413 assert(new_state
< RUN_STATE_MAX
);
415 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
416 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
417 RunState_lookup
[current_run_state
],
418 RunState_lookup
[new_state
]);
422 current_run_state
= new_state
;
425 int runstate_is_running(void)
427 return runstate_check(RUN_STATE_RUNNING
);
430 StatusInfo
*qmp_query_status(Error
**errp
)
432 StatusInfo
*info
= g_malloc0(sizeof(*info
));
434 info
->running
= runstate_is_running();
435 info
->singlestep
= singlestep
;
436 info
->status
= current_run_state
;
441 /***********************************************************/
442 /* real time host monotonic timer */
444 /***********************************************************/
445 /* host time/date access */
446 void qemu_get_timedate(struct tm
*tm
, int offset
)
453 if (rtc_date_offset
== -1) {
457 ret
= localtime(&ti
);
459 ti
-= rtc_date_offset
;
463 memcpy(tm
, ret
, sizeof(struct tm
));
466 int qemu_timedate_diff(struct tm
*tm
)
470 if (rtc_date_offset
== -1)
472 seconds
= mktimegm(tm
);
475 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
476 seconds
= mktime(&tmp
);
479 seconds
= mktimegm(tm
) + rtc_date_offset
;
481 return seconds
- time(NULL
);
484 void rtc_change_mon_event(struct tm
*tm
)
488 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
489 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
490 qobject_decref(data
);
493 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
495 time_t rtc_start_date
;
498 if (!strcmp(startdate
, "now") && legacy
) {
499 rtc_date_offset
= -1;
501 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
509 } else if (sscanf(startdate
, "%d-%d-%d",
521 rtc_start_date
= mktimegm(&tm
);
522 if (rtc_start_date
== -1) {
524 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
525 "'2006-06-17T16:01:21' or '2006-06-17'\n");
528 rtc_date_offset
= time(NULL
) - rtc_start_date
;
532 static void configure_rtc(QemuOpts
*opts
)
536 value
= qemu_opt_get(opts
, "base");
538 if (!strcmp(value
, "utc")) {
540 } else if (!strcmp(value
, "localtime")) {
543 configure_rtc_date_offset(value
, 0);
546 value
= qemu_opt_get(opts
, "clock");
548 if (!strcmp(value
, "host")) {
549 rtc_clock
= host_clock
;
550 } else if (!strcmp(value
, "rt")) {
551 rtc_clock
= rt_clock
;
552 } else if (!strcmp(value
, "vm")) {
553 rtc_clock
= vm_clock
;
555 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
559 value
= qemu_opt_get(opts
, "driftfix");
561 if (!strcmp(value
, "slew")) {
562 static GlobalProperty slew_lost_ticks
[] = {
564 .driver
= "mc146818rtc",
565 .property
= "lost_tick_policy",
568 { /* end of list */ }
571 qdev_prop_register_global_list(slew_lost_ticks
);
572 } else if (!strcmp(value
, "none")) {
573 /* discard is default */
575 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
581 /***********************************************************/
582 /* Bluetooth support */
585 static struct HCIInfo
*hci_table
[MAX_NICS
];
587 static struct bt_vlan_s
{
588 struct bt_scatternet_s net
;
590 struct bt_vlan_s
*next
;
593 /* find or alloc a new bluetooth "VLAN" */
594 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
596 struct bt_vlan_s
**pvlan
, *vlan
;
597 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
601 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
603 pvlan
= &first_bt_vlan
;
604 while (*pvlan
!= NULL
)
605 pvlan
= &(*pvlan
)->next
;
610 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
614 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
619 static struct HCIInfo null_hci
= {
620 .cmd_send
= null_hci_send
,
621 .sco_send
= null_hci_send
,
622 .acl_send
= null_hci_send
,
623 .bdaddr_set
= null_hci_addr_set
,
626 struct HCIInfo
*qemu_next_hci(void)
628 if (cur_hci
== nb_hcis
)
631 return hci_table
[cur_hci
++];
634 static struct HCIInfo
*hci_init(const char *str
)
637 struct bt_scatternet_s
*vlan
= 0;
639 if (!strcmp(str
, "null"))
642 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
644 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
645 else if (!strncmp(str
, "hci", 3)) {
648 if (!strncmp(str
+ 3, ",vlan=", 6)) {
649 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
654 vlan
= qemu_find_bt_vlan(0);
656 return bt_new_hci(vlan
);
659 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
664 static int bt_hci_parse(const char *str
)
669 if (nb_hcis
>= MAX_NICS
) {
670 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
683 bdaddr
.b
[5] = 0x56 + nb_hcis
;
684 hci
->bdaddr_set(hci
, bdaddr
.b
);
686 hci_table
[nb_hcis
++] = hci
;
691 static void bt_vhci_add(int vlan_id
)
693 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
696 fprintf(stderr
, "qemu: warning: adding a VHCI to "
697 "an empty scatternet %i\n", vlan_id
);
699 bt_vhci_init(bt_new_hci(vlan
));
702 static struct bt_device_s
*bt_device_add(const char *opt
)
704 struct bt_scatternet_s
*vlan
;
706 char *endp
= strstr(opt
, ",vlan=");
707 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
710 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
713 vlan_id
= strtol(endp
+ 6, &endp
, 0);
715 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
720 vlan
= qemu_find_bt_vlan(vlan_id
);
723 fprintf(stderr
, "qemu: warning: adding a slave device to "
724 "an empty scatternet %i\n", vlan_id
);
726 if (!strcmp(devname
, "keyboard"))
727 return bt_keyboard_init(vlan
);
729 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
733 static int bt_parse(const char *opt
)
735 const char *endp
, *p
;
738 if (strstart(opt
, "hci", &endp
)) {
739 if (!*endp
|| *endp
== ',') {
741 if (!strstart(endp
, ",vlan=", 0))
744 return bt_hci_parse(opt
);
746 } else if (strstart(opt
, "vhci", &endp
)) {
747 if (!*endp
|| *endp
== ',') {
749 if (strstart(endp
, ",vlan=", &p
)) {
750 vlan
= strtol(p
, (char **) &endp
, 0);
752 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
756 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
765 } else if (strstart(opt
, "device:", &endp
))
766 return !bt_device_add(endp
);
768 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
772 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
774 /* FIXME: change this to true for 1.3 */
775 if (qemu_opt_get_bool(opts
, "enable", false)) {
776 #ifdef CONFIG_SECCOMP
777 if (seccomp_start() < 0) {
778 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
779 "failed to install seccomp syscall filter in the kernel");
783 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
784 "sandboxing request but seccomp is not compiled into this build");
792 /*********QEMU USB setting******/
793 bool usb_enabled(bool default_usb
)
796 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
798 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
804 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
806 int fd
, dupfd
, flags
;
808 const char *fd_opaque
= NULL
;
810 fd
= qemu_opt_get_number(opts
, "fd", -1);
811 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
812 fd_opaque
= qemu_opt_get(opts
, "opaque");
815 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
816 "fd option is required and must be non-negative");
820 if (fd
<= STDERR_FILENO
) {
821 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
822 "fd cannot be a standard I/O stream");
827 * All fds inherited across exec() necessarily have FD_CLOEXEC
828 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
830 flags
= fcntl(fd
, F_GETFD
);
831 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
832 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
833 "fd is not valid or already in use");
838 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
839 "set option is required and must be non-negative");
843 #ifdef F_DUPFD_CLOEXEC
844 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
848 qemu_set_cloexec(dupfd
);
852 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
853 "Error duplicating fd: %s", strerror(errno
));
857 /* add the duplicate fd, and optionally the opaque string, to the fd set */
858 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
864 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
868 fd
= qemu_opt_get_number(opts
, "fd", -1);
875 /***********************************************************/
876 /* QEMU Block devices */
878 #define HD_OPTS "media=disk"
879 #define CDROM_OPTS "media=cdrom"
881 #define PFLASH_OPTS ""
885 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
887 int *use_scsi
= opaque
;
889 return drive_init(opts
, *use_scsi
) == NULL
;
892 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
894 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
895 qemu_opt_set(opts
, "snapshot", "on");
900 static void default_drive(int enable
, int snapshot
, int use_scsi
,
901 BlockInterfaceType type
, int index
,
906 if (type
== IF_DEFAULT
) {
907 type
= use_scsi
? IF_SCSI
: IF_IDE
;
910 if (!enable
|| drive_get_by_index(type
, index
)) {
914 opts
= drive_add(type
, index
, NULL
, optstr
);
916 drive_enable_snapshot(opts
, NULL
);
918 if (!drive_init(opts
, use_scsi
)) {
923 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
925 boot_set_handler
= func
;
926 boot_set_opaque
= opaque
;
929 int qemu_boot_set(const char *boot_devices
)
931 if (!boot_set_handler
) {
934 return boot_set_handler(boot_set_opaque
, boot_devices
);
937 static void validate_bootdevices(char *devices
)
939 /* We just do some generic consistency checks */
943 for (p
= devices
; *p
!= '\0'; p
++) {
944 /* Allowed boot devices are:
945 * a-b: floppy disk drives
946 * c-f: IDE disk drives
947 * g-m: machine implementation dependent drives
948 * n-p: network devices
949 * It's up to each machine implementation to check if the given boot
950 * devices match the actual hardware implementation and firmware
953 if (*p
< 'a' || *p
> 'p') {
954 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
957 if (bitmap
& (1 << (*p
- 'a'))) {
958 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
961 bitmap
|= 1 << (*p
- 'a');
965 static void restore_boot_devices(void *opaque
)
967 char *standard_boot_devices
= opaque
;
968 static int first
= 1;
970 /* Restore boot order and remove ourselves after the first boot */
976 qemu_boot_set(standard_boot_devices
);
978 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
979 g_free(standard_boot_devices
);
982 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
985 FWBootEntry
*node
, *i
;
991 assert(dev
!= NULL
|| suffix
!= NULL
);
993 node
= g_malloc0(sizeof(FWBootEntry
));
994 node
->bootindex
= bootindex
;
995 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
998 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
999 if (i
->bootindex
== bootindex
) {
1000 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1002 } else if (i
->bootindex
< bootindex
) {
1005 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1008 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1012 * This function returns null terminated string that consist of new line
1013 * separated device paths.
1015 * memory pointed by "size" is assigned total length of the array in bytes
1018 char *get_boot_devices_list(uint32_t *size
)
1024 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1025 char *devpath
= NULL
, *bootpath
;
1029 devpath
= qdev_get_fw_dev_path(i
->dev
);
1033 if (i
->suffix
&& devpath
) {
1034 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1036 bootpath
= g_malloc(bootpathlen
);
1037 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1039 } else if (devpath
) {
1043 bootpath
= g_strdup(i
->suffix
);
1047 list
[total
-1] = '\n';
1049 len
= strlen(bootpath
) + 1;
1050 list
= g_realloc(list
, total
+ len
);
1051 memcpy(&list
[total
], bootpath
, len
);
1061 static void numa_add(const char *optarg
)
1065 unsigned long long value
, endvalue
;
1068 value
= endvalue
= 0ULL;
1070 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
1071 if (!strcmp(option
, "node")) {
1072 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1073 nodenr
= nb_numa_nodes
;
1075 nodenr
= strtoull(option
, NULL
, 10);
1078 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1079 node_mem
[nodenr
] = 0;
1082 sval
= strtosz(option
, &endptr
);
1083 if (sval
< 0 || *endptr
) {
1084 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1087 node_mem
[nodenr
] = sval
;
1089 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1090 value
= strtoull(option
, &endptr
, 10);
1091 if (*endptr
== '-') {
1092 endvalue
= strtoull(endptr
+1, &endptr
, 10);
1097 if (!(endvalue
< MAX_CPUMASK_BITS
)) {
1098 endvalue
= MAX_CPUMASK_BITS
- 1;
1100 "A max of %d CPUs are supported in a guest\n",
1104 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1110 static void smp_parse(const char *optarg
)
1112 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1116 smp
= strtoul(optarg
, &endptr
, 10);
1117 if (endptr
!= optarg
) {
1118 if (*endptr
== ',') {
1122 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1123 sockets
= strtoull(option
, NULL
, 10);
1124 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1125 cores
= strtoull(option
, NULL
, 10);
1126 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1127 threads
= strtoull(option
, NULL
, 10);
1128 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1129 max_cpus
= strtoull(option
, NULL
, 10);
1131 /* compute missing values, prefer sockets over cores over threads */
1132 if (smp
== 0 || sockets
== 0) {
1133 sockets
= sockets
> 0 ? sockets
: 1;
1134 cores
= cores
> 0 ? cores
: 1;
1135 threads
= threads
> 0 ? threads
: 1;
1137 smp
= cores
* threads
* sockets
;
1141 threads
= threads
> 0 ? threads
: 1;
1142 cores
= smp
/ (sockets
* threads
);
1144 threads
= smp
/ (cores
* sockets
);
1148 smp_cores
= cores
> 0 ? cores
: 1;
1149 smp_threads
= threads
> 0 ? threads
: 1;
1151 max_cpus
= smp_cpus
;
1154 /***********************************************************/
1157 static int usb_device_add(const char *devname
)
1160 USBDevice
*dev
= NULL
;
1162 if (!usb_enabled(false)) {
1166 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1167 dev
= usbdevice_create(devname
);
1171 /* the other ones */
1172 #ifndef CONFIG_LINUX
1173 /* only the linux version is qdev-ified, usb-bsd still needs this */
1174 if (strstart(devname
, "host:", &p
)) {
1175 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1178 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1179 dev
= usb_bt_init(usb_bus_find(-1),
1180 devname
[2] ? hci_init(p
)
1181 : bt_new_hci(qemu_find_bt_vlan(0)));
1192 static int usb_device_del(const char *devname
)
1197 if (strstart(devname
, "host:", &p
))
1198 return usb_host_device_close(p
);
1200 if (!usb_enabled(false)) {
1204 p
= strchr(devname
, '.');
1207 bus_num
= strtoul(devname
, NULL
, 0);
1208 addr
= strtoul(p
+ 1, NULL
, 0);
1210 return usb_device_delete_addr(bus_num
, addr
);
1213 static int usb_parse(const char *cmdline
)
1216 r
= usb_device_add(cmdline
);
1218 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1223 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1225 const char *devname
= qdict_get_str(qdict
, "devname");
1226 if (usb_device_add(devname
) < 0) {
1227 error_report("could not add USB device '%s'", devname
);
1231 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1233 const char *devname
= qdict_get_str(qdict
, "devname");
1234 if (usb_device_del(devname
) < 0) {
1235 error_report("could not delete USB device '%s'", devname
);
1239 /***********************************************************/
1240 /* PCMCIA/Cardbus */
1242 static struct pcmcia_socket_entry_s
{
1243 PCMCIASocket
*socket
;
1244 struct pcmcia_socket_entry_s
*next
;
1245 } *pcmcia_sockets
= 0;
1247 void pcmcia_socket_register(PCMCIASocket
*socket
)
1249 struct pcmcia_socket_entry_s
*entry
;
1251 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1252 entry
->socket
= socket
;
1253 entry
->next
= pcmcia_sockets
;
1254 pcmcia_sockets
= entry
;
1257 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1259 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1261 ptr
= &pcmcia_sockets
;
1262 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1263 if (entry
->socket
== socket
) {
1269 void pcmcia_info(Monitor
*mon
)
1271 struct pcmcia_socket_entry_s
*iter
;
1273 if (!pcmcia_sockets
)
1274 monitor_printf(mon
, "No PCMCIA sockets\n");
1276 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1277 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1278 iter
->socket
->attached
? iter
->socket
->card_string
:
1282 /***********************************************************/
1283 /* machine registration */
1285 static QEMUMachine
*first_machine
= NULL
;
1286 QEMUMachine
*current_machine
= NULL
;
1288 int qemu_register_machine(QEMUMachine
*m
)
1291 pm
= &first_machine
;
1299 static QEMUMachine
*find_machine(const char *name
)
1303 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1304 if (!strcmp(m
->name
, name
))
1306 if (m
->alias
&& !strcmp(m
->alias
, name
))
1312 QEMUMachine
*find_default_machine(void)
1316 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1317 if (m
->is_default
) {
1324 MachineInfoList
*qmp_query_machines(Error
**errp
)
1326 MachineInfoList
*mach_list
= NULL
;
1329 for (m
= first_machine
; m
; m
= m
->next
) {
1330 MachineInfoList
*entry
;
1333 info
= g_malloc0(sizeof(*info
));
1334 if (m
->is_default
) {
1335 info
->has_is_default
= true;
1336 info
->is_default
= true;
1340 info
->has_alias
= true;
1341 info
->alias
= g_strdup(m
->alias
);
1344 info
->name
= g_strdup(m
->name
);
1346 entry
= g_malloc0(sizeof(*entry
));
1347 entry
->value
= info
;
1348 entry
->next
= mach_list
;
1355 /***********************************************************/
1356 /* main execution loop */
1358 static void gui_update(void *opaque
)
1360 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1361 DisplayState
*ds
= opaque
;
1362 DisplayChangeListener
*dcl
;
1366 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1367 if (dcl
->gui_timer_interval
&&
1368 dcl
->gui_timer_interval
< interval
)
1369 interval
= dcl
->gui_timer_interval
;
1371 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1374 void gui_setup_refresh(DisplayState
*ds
)
1376 DisplayChangeListener
*dcl
;
1377 bool need_timer
= false;
1378 bool have_gfx
= false;
1379 bool have_text
= false;
1381 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1382 if (dcl
->dpy_refresh
!= NULL
) {
1385 if (dcl
->dpy_gfx_update
!= NULL
) {
1388 if (dcl
->dpy_text_update
!= NULL
) {
1393 if (need_timer
&& ds
->gui_timer
== NULL
) {
1394 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
1395 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
1397 if (!need_timer
&& ds
->gui_timer
!= NULL
) {
1398 qemu_del_timer(ds
->gui_timer
);
1399 qemu_free_timer(ds
->gui_timer
);
1400 ds
->gui_timer
= NULL
;
1403 ds
->have_gfx
= have_gfx
;
1404 ds
->have_text
= have_text
;
1407 struct vm_change_state_entry
{
1408 VMChangeStateHandler
*cb
;
1410 QLIST_ENTRY (vm_change_state_entry
) entries
;
1413 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1415 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1418 VMChangeStateEntry
*e
;
1420 e
= g_malloc0(sizeof (*e
));
1424 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1428 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1430 QLIST_REMOVE (e
, entries
);
1434 void vm_state_notify(int running
, RunState state
)
1436 VMChangeStateEntry
*e
;
1438 trace_vm_state_notify(running
, state
);
1440 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1441 e
->cb(e
->opaque
, running
, state
);
1447 if (!runstate_is_running()) {
1449 runstate_set(RUN_STATE_RUNNING
);
1450 vm_state_notify(1, RUN_STATE_RUNNING
);
1452 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1456 /* reset/shutdown handler */
1458 typedef struct QEMUResetEntry
{
1459 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1460 QEMUResetHandler
*func
;
1464 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1465 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1466 static int reset_requested
;
1467 static int shutdown_requested
, shutdown_signal
= -1;
1468 static pid_t shutdown_pid
;
1469 static int powerdown_requested
;
1470 static int debug_requested
;
1471 static int suspend_requested
;
1472 static int wakeup_requested
;
1473 static NotifierList powerdown_notifiers
=
1474 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1475 static NotifierList suspend_notifiers
=
1476 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1477 static NotifierList wakeup_notifiers
=
1478 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1479 static uint32_t wakeup_reason_mask
= ~0;
1480 static RunState vmstop_requested
= RUN_STATE_MAX
;
1482 int qemu_shutdown_requested_get(void)
1484 return shutdown_requested
;
1487 int qemu_reset_requested_get(void)
1489 return reset_requested
;
1492 int qemu_shutdown_requested(void)
1494 int r
= shutdown_requested
;
1495 shutdown_requested
= 0;
1499 void qemu_kill_report(void)
1501 if (!qtest_enabled() && shutdown_signal
!= -1) {
1502 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1503 if (shutdown_pid
== 0) {
1504 /* This happens for eg ^C at the terminal, so it's worth
1505 * avoiding printing an odd message in that case.
1507 fputc('\n', stderr
);
1509 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1511 shutdown_signal
= -1;
1515 int qemu_reset_requested(void)
1517 int r
= reset_requested
;
1518 reset_requested
= 0;
1522 static int qemu_suspend_requested(void)
1524 int r
= suspend_requested
;
1525 suspend_requested
= 0;
1529 static int qemu_wakeup_requested(void)
1531 int r
= wakeup_requested
;
1532 wakeup_requested
= 0;
1536 int qemu_powerdown_requested(void)
1538 int r
= powerdown_requested
;
1539 powerdown_requested
= 0;
1543 static int qemu_debug_requested(void)
1545 int r
= debug_requested
;
1546 debug_requested
= 0;
1550 /* We use RUN_STATE_MAX but any invalid value will do */
1551 static bool qemu_vmstop_requested(RunState
*r
)
1553 if (vmstop_requested
< RUN_STATE_MAX
) {
1554 *r
= vmstop_requested
;
1555 vmstop_requested
= RUN_STATE_MAX
;
1562 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1564 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1567 re
->opaque
= opaque
;
1568 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1571 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1575 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1576 if (re
->func
== func
&& re
->opaque
== opaque
) {
1577 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1584 void qemu_devices_reset(void)
1586 QEMUResetEntry
*re
, *nre
;
1588 /* reset all devices */
1589 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1590 re
->func(re
->opaque
);
1594 void qemu_system_reset(bool report
)
1596 if (current_machine
&& current_machine
->reset
) {
1597 current_machine
->reset();
1599 qemu_devices_reset();
1602 monitor_protocol_event(QEVENT_RESET
, NULL
);
1604 cpu_synchronize_all_post_reset();
1607 void qemu_system_reset_request(void)
1610 shutdown_requested
= 1;
1612 reset_requested
= 1;
1615 qemu_notify_event();
1618 static void qemu_system_suspend(void)
1621 notifier_list_notify(&suspend_notifiers
, NULL
);
1622 runstate_set(RUN_STATE_SUSPENDED
);
1623 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1626 void qemu_system_suspend_request(void)
1628 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1631 suspend_requested
= 1;
1633 qemu_notify_event();
1636 void qemu_register_suspend_notifier(Notifier
*notifier
)
1638 notifier_list_add(&suspend_notifiers
, notifier
);
1641 void qemu_system_wakeup_request(WakeupReason reason
)
1643 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1646 if (!(wakeup_reason_mask
& (1 << reason
))) {
1649 runstate_set(RUN_STATE_RUNNING
);
1650 notifier_list_notify(&wakeup_notifiers
, &reason
);
1651 wakeup_requested
= 1;
1652 qemu_notify_event();
1655 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1658 wakeup_reason_mask
|= (1 << reason
);
1660 wakeup_reason_mask
&= ~(1 << reason
);
1664 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1666 notifier_list_add(&wakeup_notifiers
, notifier
);
1669 void qemu_system_killed(int signal
, pid_t pid
)
1671 shutdown_signal
= signal
;
1674 qemu_system_shutdown_request();
1677 void qemu_system_shutdown_request(void)
1679 shutdown_requested
= 1;
1680 qemu_notify_event();
1683 static void qemu_system_powerdown(void)
1685 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1686 notifier_list_notify(&powerdown_notifiers
, NULL
);
1689 void qemu_system_powerdown_request(void)
1691 powerdown_requested
= 1;
1692 qemu_notify_event();
1695 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1697 notifier_list_add(&powerdown_notifiers
, notifier
);
1700 void qemu_system_debug_request(void)
1702 debug_requested
= 1;
1703 qemu_notify_event();
1706 void qemu_system_vmstop_request(RunState state
)
1708 vmstop_requested
= state
;
1709 qemu_notify_event();
1712 static bool main_loop_should_exit(void)
1715 if (qemu_debug_requested()) {
1716 vm_stop(RUN_STATE_DEBUG
);
1718 if (qemu_suspend_requested()) {
1719 qemu_system_suspend();
1721 if (qemu_shutdown_requested()) {
1723 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1725 vm_stop(RUN_STATE_SHUTDOWN
);
1730 if (qemu_reset_requested()) {
1732 cpu_synchronize_all_states();
1733 qemu_system_reset(VMRESET_REPORT
);
1735 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1736 runstate_check(RUN_STATE_SHUTDOWN
)) {
1737 runstate_set(RUN_STATE_PAUSED
);
1740 if (qemu_wakeup_requested()) {
1742 cpu_synchronize_all_states();
1743 qemu_system_reset(VMRESET_SILENT
);
1745 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1747 if (qemu_powerdown_requested()) {
1748 qemu_system_powerdown();
1750 if (qemu_vmstop_requested(&r
)) {
1756 static void main_loop(void)
1760 #ifdef CONFIG_PROFILER
1764 nonblocking
= !kvm_enabled() && last_io
> 0;
1765 #ifdef CONFIG_PROFILER
1766 ti
= profile_getclock();
1768 last_io
= main_loop_wait(nonblocking
);
1769 #ifdef CONFIG_PROFILER
1770 dev_time
+= profile_getclock() - ti
;
1772 } while (!main_loop_should_exit());
1775 static void version(void)
1777 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1780 static void help(int exitcode
)
1783 printf("usage: %s [options] [disk_image]\n\n"
1784 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1785 error_get_progname());
1787 #define QEMU_OPTIONS_GENERATE_HELP
1788 #include "qemu-options-wrapper.h"
1790 printf("\nDuring emulation, the following keys are useful:\n"
1791 "ctrl-alt-f toggle full screen\n"
1792 "ctrl-alt-n switch to virtual console 'n'\n"
1793 "ctrl-alt toggle mouse and keyboard grab\n"
1795 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1800 #define HAS_ARG 0x0001
1802 typedef struct QEMUOption
{
1809 static const QEMUOption qemu_options
[] = {
1810 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1811 #define QEMU_OPTIONS_GENERATE_OPTIONS
1812 #include "qemu-options-wrapper.h"
1816 static bool vga_available(void)
1818 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1821 static bool cirrus_vga_available(void)
1823 return object_class_by_name("cirrus-vga")
1824 || object_class_by_name("isa-cirrus-vga");
1827 static bool vmware_vga_available(void)
1829 return object_class_by_name("vmware-svga");
1832 static bool qxl_vga_available(void)
1834 return object_class_by_name("qxl-vga");
1837 static void select_vgahw (const char *p
)
1841 vga_interface_type
= VGA_NONE
;
1842 if (strstart(p
, "std", &opts
)) {
1843 if (vga_available()) {
1844 vga_interface_type
= VGA_STD
;
1846 fprintf(stderr
, "Error: standard VGA not available\n");
1849 } else if (strstart(p
, "cirrus", &opts
)) {
1850 if (cirrus_vga_available()) {
1851 vga_interface_type
= VGA_CIRRUS
;
1853 fprintf(stderr
, "Error: Cirrus VGA not available\n");
1856 } else if (strstart(p
, "vmware", &opts
)) {
1857 if (vmware_vga_available()) {
1858 vga_interface_type
= VGA_VMWARE
;
1860 fprintf(stderr
, "Error: VMWare SVGA not available\n");
1863 } else if (strstart(p
, "xenfb", &opts
)) {
1864 vga_interface_type
= VGA_XENFB
;
1865 } else if (strstart(p
, "qxl", &opts
)) {
1866 if (qxl_vga_available()) {
1867 vga_interface_type
= VGA_QXL
;
1869 fprintf(stderr
, "Error: QXL VGA not available\n");
1872 } else if (!strstart(p
, "none", &opts
)) {
1874 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1878 const char *nextopt
;
1880 if (strstart(opts
, ",retrace=", &nextopt
)) {
1882 if (strstart(opts
, "dumb", &nextopt
))
1883 vga_retrace_method
= VGA_RETRACE_DUMB
;
1884 else if (strstart(opts
, "precise", &nextopt
))
1885 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1886 else goto invalid_vga
;
1887 } else goto invalid_vga
;
1892 static DisplayType
select_display(const char *p
)
1895 DisplayType display
= DT_DEFAULT
;
1897 if (strstart(p
, "sdl", &opts
)) {
1901 const char *nextopt
;
1903 if (strstart(opts
, ",frame=", &nextopt
)) {
1905 if (strstart(opts
, "on", &nextopt
)) {
1907 } else if (strstart(opts
, "off", &nextopt
)) {
1910 goto invalid_sdl_args
;
1912 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1914 if (strstart(opts
, "on", &nextopt
)) {
1916 } else if (strstart(opts
, "off", &nextopt
)) {
1919 goto invalid_sdl_args
;
1921 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1923 if (strstart(opts
, "on", &nextopt
)) {
1925 } else if (strstart(opts
, "off", &nextopt
)) {
1928 goto invalid_sdl_args
;
1930 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1932 if (strstart(opts
, "on", &nextopt
)) {
1934 } else if (strstart(opts
, "off", &nextopt
)) {
1937 goto invalid_sdl_args
;
1941 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1947 fprintf(stderr
, "SDL support is disabled\n");
1950 } else if (strstart(p
, "vnc", &opts
)) {
1955 const char *nextopt
;
1957 if (strstart(opts
, "=", &nextopt
)) {
1958 vnc_display
= nextopt
;
1962 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1966 fprintf(stderr
, "VNC support is disabled\n");
1969 } else if (strstart(p
, "curses", &opts
)) {
1970 #ifdef CONFIG_CURSES
1971 display
= DT_CURSES
;
1973 fprintf(stderr
, "Curses support is disabled\n");
1976 } else if (strstart(p
, "none", &opts
)) {
1979 fprintf(stderr
, "Unknown display type: %s\n", p
);
1986 static int balloon_parse(const char *arg
)
1990 if (strcmp(arg
, "none") == 0) {
1994 if (!strncmp(arg
, "virtio", 6)) {
1995 if (arg
[6] == ',') {
1996 /* have params -> parse them */
1997 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2001 /* create empty opts */
2002 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0, NULL
);
2004 qemu_opt_set(opts
, "driver", "virtio-balloon");
2011 char *qemu_find_file(int type
, const char *name
)
2017 /* Try the name as a straight path first */
2018 if (access(name
, R_OK
) == 0) {
2019 return g_strdup(name
);
2022 case QEMU_FILE_TYPE_BIOS
:
2025 case QEMU_FILE_TYPE_KEYMAP
:
2026 subdir
= "keymaps/";
2031 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
2032 buf
= g_malloc0(len
);
2033 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
2034 if (access(buf
, R_OK
)) {
2041 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2043 return qdev_device_help(opts
);
2046 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2050 dev
= qdev_device_add(opts
);
2056 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2058 CharDriverState
*chr
;
2060 chr
= qemu_chr_new_from_opts(opts
, NULL
);
2066 #ifdef CONFIG_VIRTFS
2067 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2070 ret
= qemu_fsdev_add(opts
);
2076 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2078 CharDriverState
*chr
;
2079 const char *chardev
;
2083 mode
= qemu_opt_get(opts
, "mode");
2087 if (strcmp(mode
, "readline") == 0) {
2088 flags
= MONITOR_USE_READLINE
;
2089 } else if (strcmp(mode
, "control") == 0) {
2090 flags
= MONITOR_USE_CONTROL
;
2092 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2096 if (qemu_opt_get_bool(opts
, "pretty", 0))
2097 flags
|= MONITOR_USE_PRETTY
;
2099 if (qemu_opt_get_bool(opts
, "default", 0))
2100 flags
|= MONITOR_IS_DEFAULT
;
2102 chardev
= qemu_opt_get(opts
, "chardev");
2103 chr
= qemu_chr_find(chardev
);
2105 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2109 monitor_init(chr
, flags
);
2113 static void monitor_parse(const char *optarg
, const char *mode
)
2115 static int monitor_device_index
= 0;
2121 if (strstart(optarg
, "chardev:", &p
)) {
2122 snprintf(label
, sizeof(label
), "%s", p
);
2124 snprintf(label
, sizeof(label
), "compat_monitor%d",
2125 monitor_device_index
);
2126 if (monitor_device_index
== 0) {
2129 opts
= qemu_chr_parse_compat(label
, optarg
);
2131 fprintf(stderr
, "parse error: %s\n", optarg
);
2136 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2138 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2141 qemu_opt_set(opts
, "mode", mode
);
2142 qemu_opt_set(opts
, "chardev", label
);
2144 qemu_opt_set(opts
, "default", "on");
2145 monitor_device_index
++;
2148 struct device_config
{
2150 DEV_USB
, /* -usbdevice */
2152 DEV_SERIAL
, /* -serial */
2153 DEV_PARALLEL
, /* -parallel */
2154 DEV_VIRTCON
, /* -virtioconsole */
2155 DEV_DEBUGCON
, /* -debugcon */
2156 DEV_GDB
, /* -gdb, -s */
2158 const char *cmdline
;
2160 QTAILQ_ENTRY(device_config
) next
;
2162 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
2164 static void add_device_config(int type
, const char *cmdline
)
2166 struct device_config
*conf
;
2168 conf
= g_malloc0(sizeof(*conf
));
2170 conf
->cmdline
= cmdline
;
2171 loc_save(&conf
->loc
);
2172 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2175 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2177 struct device_config
*conf
;
2180 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2181 if (conf
->type
!= type
)
2183 loc_push_restore(&conf
->loc
);
2184 rc
= func(conf
->cmdline
);
2185 loc_pop(&conf
->loc
);
2192 static int serial_parse(const char *devname
)
2194 static int index
= 0;
2197 if (strcmp(devname
, "none") == 0)
2199 if (index
== MAX_SERIAL_PORTS
) {
2200 fprintf(stderr
, "qemu: too many serial ports\n");
2203 snprintf(label
, sizeof(label
), "serial%d", index
);
2204 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2205 if (!serial_hds
[index
]) {
2206 fprintf(stderr
, "qemu: could not connect serial device"
2207 " to character backend '%s'\n", devname
);
2214 static int parallel_parse(const char *devname
)
2216 static int index
= 0;
2219 if (strcmp(devname
, "none") == 0)
2221 if (index
== MAX_PARALLEL_PORTS
) {
2222 fprintf(stderr
, "qemu: too many parallel ports\n");
2225 snprintf(label
, sizeof(label
), "parallel%d", index
);
2226 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2227 if (!parallel_hds
[index
]) {
2228 fprintf(stderr
, "qemu: could not connect parallel device"
2229 " to character backend '%s'\n", devname
);
2236 static int virtcon_parse(const char *devname
)
2238 QemuOptsList
*device
= qemu_find_opts("device");
2239 static int index
= 0;
2241 QemuOpts
*bus_opts
, *dev_opts
;
2243 if (strcmp(devname
, "none") == 0)
2245 if (index
== MAX_VIRTIO_CONSOLES
) {
2246 fprintf(stderr
, "qemu: too many virtio consoles\n");
2250 bus_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2251 if (arch_type
== QEMU_ARCH_S390X
) {
2252 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2254 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2257 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2258 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2260 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2261 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2262 if (!virtcon_hds
[index
]) {
2263 fprintf(stderr
, "qemu: could not connect virtio console"
2264 " to character backend '%s'\n", devname
);
2267 qemu_opt_set(dev_opts
, "chardev", label
);
2273 static int debugcon_parse(const char *devname
)
2277 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2280 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2282 fprintf(stderr
, "qemu: already have a debugcon device\n");
2285 qemu_opt_set(opts
, "driver", "isa-debugcon");
2286 qemu_opt_set(opts
, "chardev", "debugcon");
2290 static QEMUMachine
*machine_parse(const char *name
)
2292 QEMUMachine
*m
, *machine
= NULL
;
2295 machine
= find_machine(name
);
2300 printf("Supported machines are:\n");
2301 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2303 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2305 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2306 m
->is_default
? " (default)" : "");
2308 exit(!name
|| !is_help_option(name
));
2311 static int tcg_init(void)
2313 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2318 const char *opt_name
;
2320 int (*available
)(void);
2324 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2325 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2326 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2327 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2330 static int configure_accelerator(void)
2332 const char *p
= NULL
;
2335 bool accel_initialised
= 0;
2336 bool init_failed
= 0;
2338 QemuOptsList
*list
= qemu_find_opts("machine");
2339 if (!QTAILQ_EMPTY(&list
->head
)) {
2340 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2344 /* Use the default "accelerator", tcg */
2348 while (!accel_initialised
&& *p
!= '\0') {
2352 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2353 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2354 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2355 *(accel_list
[i
].allowed
) = 1;
2356 ret
= accel_list
[i
].init();
2359 if (!accel_list
[i
].available()) {
2360 printf("%s not supported for this target\n",
2361 accel_list
[i
].name
);
2363 fprintf(stderr
, "failed to initialize %s: %s\n",
2367 *(accel_list
[i
].allowed
) = 0;
2369 accel_initialised
= 1;
2374 if (i
== ARRAY_SIZE(accel_list
)) {
2375 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2379 if (!accel_initialised
) {
2380 fprintf(stderr
, "No accelerator found!\n");
2385 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2388 return !accel_initialised
;
2391 void qemu_add_exit_notifier(Notifier
*notify
)
2393 notifier_list_add(&exit_notifiers
, notify
);
2396 void qemu_remove_exit_notifier(Notifier
*notify
)
2398 notifier_remove(notify
);
2401 static void qemu_run_exit_notifiers(void)
2403 notifier_list_notify(&exit_notifiers
, NULL
);
2406 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2408 notifier_list_add(&machine_init_done_notifiers
, notify
);
2411 static void qemu_run_machine_init_done_notifiers(void)
2413 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2416 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2417 const char **poptarg
, int *poptind
)
2419 const QEMUOption
*popt
;
2420 int optind
= *poptind
;
2421 char *r
= argv
[optind
];
2424 loc_set_cmdline(argv
, optind
, 1);
2426 /* Treat --foo the same as -foo. */
2429 popt
= qemu_options
;
2432 error_report("invalid option");
2435 if (!strcmp(popt
->name
, r
+ 1))
2439 if (popt
->flags
& HAS_ARG
) {
2440 if (optind
>= argc
) {
2441 error_report("requires an argument");
2444 optarg
= argv
[optind
++];
2445 loc_set_cmdline(argv
, optind
- 2, 2);
2456 static gpointer
malloc_and_trace(gsize n_bytes
)
2458 void *ptr
= malloc(n_bytes
);
2459 trace_g_malloc(n_bytes
, ptr
);
2463 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2465 void *ptr
= realloc(mem
, n_bytes
);
2466 trace_g_realloc(mem
, n_bytes
, ptr
);
2470 static void free_and_trace(gpointer mem
)
2476 int main(int argc
, char **argv
, char **envp
)
2479 int snapshot
, linux_boot
;
2480 const char *icount_option
= NULL
;
2481 const char *initrd_filename
;
2482 const char *kernel_filename
, *kernel_cmdline
;
2483 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2485 int cyls
, heads
, secs
, translation
;
2486 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2487 QemuOptsList
*olist
;
2490 const char *loadvm
= NULL
;
2491 QEMUMachine
*machine
;
2492 const char *cpu_model
;
2493 const char *vga_model
= "none";
2494 const char *pid_file
= NULL
;
2495 const char *incoming
= NULL
;
2497 int show_vnc_port
= 0;
2499 bool defconfig
= true;
2500 bool userconfig
= true;
2501 const char *log_mask
= NULL
;
2502 const char *log_file
= NULL
;
2503 GMemVTable mem_trace
= {
2504 .malloc
= malloc_and_trace
,
2505 .realloc
= realloc_and_trace
,
2506 .free
= free_and_trace
,
2508 const char *trace_events
= NULL
;
2509 const char *trace_file
= NULL
;
2511 atexit(qemu_run_exit_notifiers
);
2512 error_set_progname(argv
[0]);
2514 g_mem_set_vtable(&mem_trace
);
2515 if (!g_thread_supported()) {
2516 #if !GLIB_CHECK_VERSION(2, 31, 0)
2517 g_thread_init(NULL
);
2519 fprintf(stderr
, "glib threading failed to initialize.\n");
2524 module_call_init(MODULE_INIT_QOM
);
2529 rtc_clock
= host_clock
;
2531 qemu_cache_utils_init(envp
);
2533 QLIST_INIT (&vm_change_state_head
);
2534 os_setup_early_signal_handling();
2536 module_call_init(MODULE_INIT_MACHINE
);
2537 machine
= find_default_machine();
2541 cyls
= heads
= secs
= 0;
2542 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2544 for (i
= 0; i
< MAX_NODES
; i
++) {
2546 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2554 /* first pass of option parsing */
2556 while (optind
< argc
) {
2557 if (argv
[optind
][0] != '-') {
2562 const QEMUOption
*popt
;
2564 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2565 switch (popt
->index
) {
2566 case QEMU_OPTION_nodefconfig
:
2569 case QEMU_OPTION_nouserconfig
:
2578 ret
= qemu_read_default_config_files(userconfig
);
2584 /* second pass of option parsing */
2589 if (argv
[optind
][0] != '-') {
2590 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2592 const QEMUOption
*popt
;
2594 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2595 if (!(popt
->arch_mask
& arch_type
)) {
2596 printf("Option %s not supported for this target\n", popt
->name
);
2599 switch(popt
->index
) {
2601 machine
= machine_parse(optarg
);
2603 case QEMU_OPTION_no_kvm_irqchip
: {
2604 olist
= qemu_find_opts("machine");
2605 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2608 case QEMU_OPTION_cpu
:
2609 /* hw initialization will check this */
2612 case QEMU_OPTION_hda
:
2616 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2618 snprintf(buf
, sizeof(buf
),
2619 "%s,cyls=%d,heads=%d,secs=%d%s",
2620 HD_OPTS
, cyls
, heads
, secs
,
2621 translation
== BIOS_ATA_TRANSLATION_LBA
?
2623 translation
== BIOS_ATA_TRANSLATION_NONE
?
2624 ",trans=none" : "");
2625 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2628 case QEMU_OPTION_hdb
:
2629 case QEMU_OPTION_hdc
:
2630 case QEMU_OPTION_hdd
:
2631 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2634 case QEMU_OPTION_drive
:
2635 if (drive_def(optarg
) == NULL
) {
2639 case QEMU_OPTION_set
:
2640 if (qemu_set_option(optarg
) != 0)
2643 case QEMU_OPTION_global
:
2644 if (qemu_global_option(optarg
) != 0)
2647 case QEMU_OPTION_mtdblock
:
2648 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2650 case QEMU_OPTION_sd
:
2651 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2653 case QEMU_OPTION_pflash
:
2654 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2656 case QEMU_OPTION_snapshot
:
2659 case QEMU_OPTION_hdachs
:
2663 cyls
= strtol(p
, (char **)&p
, 0);
2664 if (cyls
< 1 || cyls
> 16383)
2669 heads
= strtol(p
, (char **)&p
, 0);
2670 if (heads
< 1 || heads
> 16)
2675 secs
= strtol(p
, (char **)&p
, 0);
2676 if (secs
< 1 || secs
> 63)
2680 if (!strcmp(p
, "none"))
2681 translation
= BIOS_ATA_TRANSLATION_NONE
;
2682 else if (!strcmp(p
, "lba"))
2683 translation
= BIOS_ATA_TRANSLATION_LBA
;
2684 else if (!strcmp(p
, "auto"))
2685 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2688 } else if (*p
!= '\0') {
2690 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2693 if (hda_opts
!= NULL
) {
2695 snprintf(num
, sizeof(num
), "%d", cyls
);
2696 qemu_opt_set(hda_opts
, "cyls", num
);
2697 snprintf(num
, sizeof(num
), "%d", heads
);
2698 qemu_opt_set(hda_opts
, "heads", num
);
2699 snprintf(num
, sizeof(num
), "%d", secs
);
2700 qemu_opt_set(hda_opts
, "secs", num
);
2701 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2702 qemu_opt_set(hda_opts
, "trans", "lba");
2703 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2704 qemu_opt_set(hda_opts
, "trans", "none");
2708 case QEMU_OPTION_numa
:
2709 if (nb_numa_nodes
>= MAX_NODES
) {
2710 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2715 case QEMU_OPTION_display
:
2716 display_type
= select_display(optarg
);
2718 case QEMU_OPTION_nographic
:
2719 display_type
= DT_NOGRAPHIC
;
2721 case QEMU_OPTION_curses
:
2722 #ifdef CONFIG_CURSES
2723 display_type
= DT_CURSES
;
2725 fprintf(stderr
, "Curses support is disabled\n");
2729 case QEMU_OPTION_portrait
:
2730 graphic_rotate
= 90;
2732 case QEMU_OPTION_rotate
:
2733 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2734 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2735 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2737 "qemu: only 90, 180, 270 deg rotation is available\n");
2741 case QEMU_OPTION_kernel
:
2742 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
2744 case QEMU_OPTION_initrd
:
2745 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
2747 case QEMU_OPTION_append
:
2748 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
2750 case QEMU_OPTION_dtb
:
2751 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
2753 case QEMU_OPTION_cdrom
:
2754 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2756 case QEMU_OPTION_boot
:
2758 static const char * const params
[] = {
2759 "order", "once", "menu",
2760 "splash", "splash-time",
2761 "reboot-timeout", NULL
2763 char buf
[sizeof(boot_devices
)];
2764 char *standard_boot_devices
;
2767 if (!strchr(optarg
, '=')) {
2769 pstrcpy(buf
, sizeof(buf
), optarg
);
2770 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2772 "qemu: unknown boot parameter '%s' in '%s'\n",
2778 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2779 validate_bootdevices(buf
);
2780 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2783 if (get_param_value(buf
, sizeof(buf
),
2785 validate_bootdevices(buf
);
2786 standard_boot_devices
= g_strdup(boot_devices
);
2787 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2788 qemu_register_reset(restore_boot_devices
,
2789 standard_boot_devices
);
2791 if (get_param_value(buf
, sizeof(buf
),
2793 if (!strcmp(buf
, "on")) {
2795 } else if (!strcmp(buf
, "off")) {
2799 "qemu: invalid option value '%s'\n",
2804 qemu_opts_parse(qemu_find_opts("boot-opts"),
2809 case QEMU_OPTION_fda
:
2810 case QEMU_OPTION_fdb
:
2811 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2814 case QEMU_OPTION_no_fd_bootchk
:
2817 case QEMU_OPTION_netdev
:
2818 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2822 case QEMU_OPTION_net
:
2823 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2827 #ifdef CONFIG_LIBISCSI
2828 case QEMU_OPTION_iscsi
:
2829 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
2836 case QEMU_OPTION_tftp
:
2837 legacy_tftp_prefix
= optarg
;
2839 case QEMU_OPTION_bootp
:
2840 legacy_bootp_filename
= optarg
;
2842 case QEMU_OPTION_redir
:
2843 if (net_slirp_redir(optarg
) < 0)
2847 case QEMU_OPTION_bt
:
2848 add_device_config(DEV_BT
, optarg
);
2850 case QEMU_OPTION_audio_help
:
2851 if (!(audio_available())) {
2852 printf("Option %s not supported for this target\n", popt
->name
);
2858 case QEMU_OPTION_soundhw
:
2859 if (!(audio_available())) {
2860 printf("Option %s not supported for this target\n", popt
->name
);
2863 select_soundhw (optarg
);
2868 case QEMU_OPTION_version
:
2872 case QEMU_OPTION_m
: {
2877 value
= strtosz(optarg
, &end
);
2878 if (value
< 0 || *end
) {
2879 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2882 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
2884 if (ram_size
!= sz
) {
2885 fprintf(stderr
, "qemu: ram size too large\n");
2890 case QEMU_OPTION_mempath
:
2894 case QEMU_OPTION_mem_prealloc
:
2905 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
2907 case QEMU_OPTION_gdb
:
2908 add_device_config(DEV_GDB
, optarg
);
2913 case QEMU_OPTION_bios
:
2916 case QEMU_OPTION_singlestep
:
2923 keyboard_layout
= optarg
;
2925 case QEMU_OPTION_localtime
:
2928 case QEMU_OPTION_vga
:
2937 w
= strtol(p
, (char **)&p
, 10);
2940 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2946 h
= strtol(p
, (char **)&p
, 10);
2951 depth
= strtol(p
, (char **)&p
, 10);
2952 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2953 depth
!= 24 && depth
!= 32)
2955 } else if (*p
== '\0') {
2956 depth
= graphic_depth
;
2963 graphic_depth
= depth
;
2966 case QEMU_OPTION_echr
:
2969 term_escape_char
= strtol(optarg
, &r
, 0);
2971 printf("Bad argument to echr\n");
2974 case QEMU_OPTION_monitor
:
2975 monitor_parse(optarg
, "readline");
2976 default_monitor
= 0;
2978 case QEMU_OPTION_qmp
:
2979 monitor_parse(optarg
, "control");
2980 default_monitor
= 0;
2982 case QEMU_OPTION_mon
:
2983 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2987 default_monitor
= 0;
2989 case QEMU_OPTION_chardev
:
2990 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2995 case QEMU_OPTION_fsdev
:
2996 olist
= qemu_find_opts("fsdev");
2998 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3001 opts
= qemu_opts_parse(olist
, optarg
, 1);
3003 fprintf(stderr
, "parse error: %s\n", optarg
);
3007 case QEMU_OPTION_virtfs
: {
3010 const char *writeout
, *sock_fd
, *socket
;
3012 olist
= qemu_find_opts("virtfs");
3014 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3017 opts
= qemu_opts_parse(olist
, optarg
, 1);
3019 fprintf(stderr
, "parse error: %s\n", optarg
);
3023 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3024 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3025 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3028 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3029 qemu_opt_get(opts
, "mount_tag"),
3032 fprintf(stderr
, "duplicate fsdev id: %s\n",
3033 qemu_opt_get(opts
, "mount_tag"));
3037 writeout
= qemu_opt_get(opts
, "writeout");
3039 #ifdef CONFIG_SYNC_FILE_RANGE
3040 qemu_opt_set(fsdev
, "writeout", writeout
);
3042 fprintf(stderr
, "writeout=immediate not supported on "
3047 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3048 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3049 qemu_opt_set(fsdev
, "security_model",
3050 qemu_opt_get(opts
, "security_model"));
3051 socket
= qemu_opt_get(opts
, "socket");
3053 qemu_opt_set(fsdev
, "socket", socket
);
3055 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3057 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3060 qemu_opt_set_bool(fsdev
, "readonly",
3061 qemu_opt_get_bool(opts
, "readonly", 0));
3062 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3064 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3065 qemu_opt_set(device
, "fsdev",
3066 qemu_opt_get(opts
, "mount_tag"));
3067 qemu_opt_set(device
, "mount_tag",
3068 qemu_opt_get(opts
, "mount_tag"));
3071 case QEMU_OPTION_virtfs_synth
: {
3075 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3078 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3081 qemu_opt_set(fsdev
, "fsdriver", "synth");
3083 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3085 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3086 qemu_opt_set(device
, "fsdev", "v_synth");
3087 qemu_opt_set(device
, "mount_tag", "v_synth");
3090 case QEMU_OPTION_serial
:
3091 add_device_config(DEV_SERIAL
, optarg
);
3093 if (strncmp(optarg
, "mon:", 4) == 0) {
3094 default_monitor
= 0;
3097 case QEMU_OPTION_watchdog
:
3100 "qemu: only one watchdog option may be given\n");
3105 case QEMU_OPTION_watchdog_action
:
3106 if (select_watchdog_action(optarg
) == -1) {
3107 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3111 case QEMU_OPTION_virtiocon
:
3112 add_device_config(DEV_VIRTCON
, optarg
);
3113 default_virtcon
= 0;
3114 if (strncmp(optarg
, "mon:", 4) == 0) {
3115 default_monitor
= 0;
3118 case QEMU_OPTION_parallel
:
3119 add_device_config(DEV_PARALLEL
, optarg
);
3120 default_parallel
= 0;
3121 if (strncmp(optarg
, "mon:", 4) == 0) {
3122 default_monitor
= 0;
3125 case QEMU_OPTION_debugcon
:
3126 add_device_config(DEV_DEBUGCON
, optarg
);
3128 case QEMU_OPTION_loadvm
:
3131 case QEMU_OPTION_full_screen
:
3135 case QEMU_OPTION_no_frame
:
3138 case QEMU_OPTION_alt_grab
:
3141 case QEMU_OPTION_ctrl_grab
:
3144 case QEMU_OPTION_no_quit
:
3147 case QEMU_OPTION_sdl
:
3148 display_type
= DT_SDL
;
3151 case QEMU_OPTION_no_frame
:
3152 case QEMU_OPTION_alt_grab
:
3153 case QEMU_OPTION_ctrl_grab
:
3154 case QEMU_OPTION_no_quit
:
3155 case QEMU_OPTION_sdl
:
3156 fprintf(stderr
, "SDL support is disabled\n");
3159 case QEMU_OPTION_pidfile
:
3162 case QEMU_OPTION_win2k_hack
:
3163 win2k_install_hack
= 1;
3165 case QEMU_OPTION_rtc_td_hack
: {
3166 static GlobalProperty slew_lost_ticks
[] = {
3168 .driver
= "mc146818rtc",
3169 .property
= "lost_tick_policy",
3172 { /* end of list */ }
3175 qdev_prop_register_global_list(slew_lost_ticks
);
3178 case QEMU_OPTION_acpitable
:
3179 do_acpitable_option(optarg
);
3181 case QEMU_OPTION_smbios
:
3182 do_smbios_option(optarg
);
3184 case QEMU_OPTION_enable_kvm
:
3185 olist
= qemu_find_opts("machine");
3186 qemu_opts_parse(olist
, "accel=kvm", 0);
3188 case QEMU_OPTION_machine
:
3189 olist
= qemu_find_opts("machine");
3190 opts
= qemu_opts_parse(olist
, optarg
, 1);
3192 fprintf(stderr
, "parse error: %s\n", optarg
);
3195 optarg
= qemu_opt_get(opts
, "type");
3197 machine
= machine_parse(optarg
);
3200 case QEMU_OPTION_no_kvm
:
3201 olist
= qemu_find_opts("machine");
3202 qemu_opts_parse(olist
, "accel=tcg", 0);
3204 case QEMU_OPTION_no_kvm_pit
: {
3205 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3209 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3210 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3212 .driver
= "kvm-pit",
3213 .property
= "lost_tick_policy",
3216 { /* end of list */ }
3219 fprintf(stderr
, "Warning: option deprecated, use "
3220 "lost_tick_policy property of kvm-pit instead.\n");
3221 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3224 case QEMU_OPTION_usb
:
3225 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
3227 qemu_opt_set_bool(machine_opts
, "usb", true);
3230 case QEMU_OPTION_usbdevice
:
3231 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
3233 qemu_opt_set_bool(machine_opts
, "usb", true);
3235 add_device_config(DEV_USB
, optarg
);
3237 case QEMU_OPTION_device
:
3238 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3242 case QEMU_OPTION_smp
:
3245 fprintf(stderr
, "Invalid number of CPUs\n");
3248 if (max_cpus
< smp_cpus
) {
3249 fprintf(stderr
, "maxcpus must be equal to or greater than "
3253 if (max_cpus
> 255) {
3254 fprintf(stderr
, "Unsupported number of maxcpus\n");
3258 case QEMU_OPTION_vnc
:
3261 vnc_display
= optarg
;
3263 fprintf(stderr
, "VNC support is disabled\n");
3267 case QEMU_OPTION_no_acpi
:
3270 case QEMU_OPTION_no_hpet
:
3273 case QEMU_OPTION_balloon
:
3274 if (balloon_parse(optarg
) < 0) {
3275 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3279 case QEMU_OPTION_no_reboot
:
3282 case QEMU_OPTION_no_shutdown
:
3285 case QEMU_OPTION_show_cursor
:
3288 case QEMU_OPTION_uuid
:
3289 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3290 fprintf(stderr
, "Fail to parse UUID string."
3291 " Wrong format.\n");
3295 case QEMU_OPTION_option_rom
:
3296 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3297 fprintf(stderr
, "Too many option ROMs\n");
3300 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3301 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3302 option_rom
[nb_option_roms
].bootindex
=
3303 qemu_opt_get_number(opts
, "bootindex", -1);
3304 if (!option_rom
[nb_option_roms
].name
) {
3305 fprintf(stderr
, "Option ROM file is not specified\n");
3310 case QEMU_OPTION_semihosting
:
3311 semihosting_enabled
= 1;
3313 case QEMU_OPTION_tdf
:
3314 fprintf(stderr
, "Warning: user space PIT time drift fix "
3315 "is no longer supported.\n");
3317 case QEMU_OPTION_name
:
3318 qemu_name
= g_strdup(optarg
);
3320 char *p
= strchr(qemu_name
, ',');
3323 if (strncmp(p
, "process=", 8)) {
3324 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3328 os_set_proc_name(p
);
3332 case QEMU_OPTION_prom_env
:
3333 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3334 fprintf(stderr
, "Too many prom variables\n");
3337 prom_envs
[nb_prom_envs
] = optarg
;
3340 case QEMU_OPTION_old_param
:
3343 case QEMU_OPTION_clock
:
3344 configure_alarms(optarg
);
3346 case QEMU_OPTION_startdate
:
3347 configure_rtc_date_offset(optarg
, 1);
3349 case QEMU_OPTION_rtc
:
3350 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3354 configure_rtc(opts
);
3356 case QEMU_OPTION_tb_size
:
3357 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3358 if (tcg_tb_size
< 0) {
3362 case QEMU_OPTION_icount
:
3363 icount_option
= optarg
;
3365 case QEMU_OPTION_incoming
:
3367 runstate_set(RUN_STATE_INMIGRATE
);
3369 case QEMU_OPTION_nodefaults
:
3371 default_parallel
= 0;
3372 default_virtcon
= 0;
3373 default_monitor
= 0;
3380 case QEMU_OPTION_xen_domid
:
3381 if (!(xen_available())) {
3382 printf("Option %s not supported for this target\n", popt
->name
);
3385 xen_domid
= atoi(optarg
);
3387 case QEMU_OPTION_xen_create
:
3388 if (!(xen_available())) {
3389 printf("Option %s not supported for this target\n", popt
->name
);
3392 xen_mode
= XEN_CREATE
;
3394 case QEMU_OPTION_xen_attach
:
3395 if (!(xen_available())) {
3396 printf("Option %s not supported for this target\n", popt
->name
);
3399 xen_mode
= XEN_ATTACH
;
3401 case QEMU_OPTION_trace
:
3403 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3407 trace_events
= qemu_opt_get(opts
, "events");
3408 trace_file
= qemu_opt_get(opts
, "file");
3411 case QEMU_OPTION_readconfig
:
3413 int ret
= qemu_read_config_file(optarg
);
3415 fprintf(stderr
, "read config %s: %s\n", optarg
,
3421 case QEMU_OPTION_spice
:
3422 olist
= qemu_find_opts("spice");
3424 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3427 opts
= qemu_opts_parse(olist
, optarg
, 0);
3429 fprintf(stderr
, "parse error: %s\n", optarg
);
3433 case QEMU_OPTION_writeconfig
:
3436 if (strcmp(optarg
, "-") == 0) {
3439 fp
= fopen(optarg
, "w");
3441 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3445 qemu_config_write(fp
);
3449 case QEMU_OPTION_qtest
:
3450 qtest_chrdev
= optarg
;
3452 case QEMU_OPTION_qtest_log
:
3455 case QEMU_OPTION_sandbox
:
3456 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3461 case QEMU_OPTION_add_fd
:
3463 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3468 error_report("File descriptor passing is disabled on this "
3474 os_parse_cmd_args(popt
->index
, optarg
);
3480 qemu_init_cpu_loop();
3481 if (qemu_init_main_loop()) {
3482 fprintf(stderr
, "qemu_init_main_loop failed\n");
3486 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3491 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3495 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3500 if (machine
== NULL
) {
3501 fprintf(stderr
, "No machine found.\n");
3505 if (machine
->hw_version
) {
3506 qemu_set_version(machine
->hw_version
);
3509 /* Init CPU def lists, based on config
3510 * - Must be called after all the qemu_read_config_file() calls
3511 * - Must be called before list_cpus()
3512 * - Must be called before machine->init()
3516 if (cpu_model
&& is_help_option(cpu_model
)) {
3517 list_cpus(stdout
, &fprintf
, cpu_model
);
3521 /* Open the logfile at this point, if necessary. We can't open the logfile
3522 * when encountering either of the logging options (-d or -D) because the
3523 * other one may be encountered later on the command line, changing the
3524 * location or level of logging.
3528 set_cpu_log_filename(log_file
);
3530 set_cpu_log(log_mask
);
3533 if (!trace_backend_init(trace_events
, trace_file
)) {
3537 /* If no data_dir is specified then try to find it relative to the
3540 data_dir
= os_find_datadir(argv
[0]);
3542 /* If all else fails use the install path specified when building. */
3544 data_dir
= CONFIG_QEMU_DATADIR
;
3548 * Default to max_cpus = smp_cpus, in case the user doesn't
3549 * specify a max_cpus value.
3552 max_cpus
= smp_cpus
;
3554 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3555 if (smp_cpus
> machine
->max_cpus
) {
3556 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3557 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3563 * Get the default machine options from the machine if it is not already
3564 * specified either by the configuration file or by the command line.
3566 if (machine
->default_machine_opts
) {
3567 qemu_opts_set_defaults(qemu_find_opts("machine"),
3568 machine
->default_machine_opts
, 0);
3571 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3572 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3574 if (machine
->no_serial
) {
3577 if (machine
->no_parallel
) {
3578 default_parallel
= 0;
3580 if (!machine
->use_virtcon
) {
3581 default_virtcon
= 0;
3583 if (machine
->no_floppy
) {
3586 if (machine
->no_cdrom
) {
3589 if (machine
->no_sdcard
) {
3593 if (display_type
== DT_NOGRAPHIC
) {
3594 if (default_parallel
)
3595 add_device_config(DEV_PARALLEL
, "null");
3596 if (default_serial
&& default_monitor
) {
3597 add_device_config(DEV_SERIAL
, "mon:stdio");
3598 } else if (default_virtcon
&& default_monitor
) {
3599 add_device_config(DEV_VIRTCON
, "mon:stdio");
3602 add_device_config(DEV_SERIAL
, "stdio");
3603 if (default_virtcon
)
3604 add_device_config(DEV_VIRTCON
, "stdio");
3605 if (default_monitor
)
3606 monitor_parse("stdio", "readline");
3610 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3611 if (default_parallel
)
3612 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3613 if (default_monitor
)
3614 monitor_parse("vc:80Cx24C", "readline");
3615 if (default_virtcon
)
3616 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3619 if (init_timer_alarm() < 0) {
3620 fprintf(stderr
, "could not initialize alarm timer\n");
3626 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3628 #ifdef CONFIG_VIRTFS
3629 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3636 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3641 /* init the memory */
3642 if (ram_size
== 0) {
3643 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3646 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
3651 configure_accelerator();
3653 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
3655 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
3656 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
3657 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
3659 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
3662 if (!kernel_cmdline
) {
3663 kernel_cmdline
= "";
3666 linux_boot
= (kernel_filename
!= NULL
);
3668 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3669 fprintf(stderr
, "-append only allowed with -kernel option\n");
3673 if (!linux_boot
&& initrd_filename
!= NULL
) {
3674 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3678 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
3679 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
3683 os_set_line_buffering();
3686 /* spice needs the timers to be initialized by this point */
3690 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
3691 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
3694 configure_icount(icount_option
);
3696 if (net_init_clients() < 0) {
3700 /* init the bluetooth world */
3701 if (foreach_device_config(DEV_BT
, bt_parse
))
3704 if (!xen_enabled()) {
3705 /* On 32-bit hosts, QEMU is limited by virtual address space */
3706 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
3707 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
3712 cpu_exec_init_all();
3714 bdrv_init_with_whitelist();
3718 /* open the virtual block devices */
3720 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3721 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3724 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3725 IF_DEFAULT
, 2, CDROM_OPTS
);
3726 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3727 IF_FLOPPY
, 0, FD_OPTS
);
3728 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3731 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
3733 if (nb_numa_nodes
> 0) {
3736 if (nb_numa_nodes
> MAX_NODES
) {
3737 nb_numa_nodes
= MAX_NODES
;
3740 /* If no memory size if given for any node, assume the default case
3741 * and distribute the available memory equally across all nodes
3743 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3744 if (node_mem
[i
] != 0)
3747 if (i
== nb_numa_nodes
) {
3748 uint64_t usedmem
= 0;
3750 /* On Linux, the each node's border has to be 8MB aligned,
3751 * the final node gets the rest.
3753 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3754 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3755 usedmem
+= node_mem
[i
];
3757 node_mem
[i
] = ram_size
- usedmem
;
3760 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3761 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
3765 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3766 * must cope with this anyway, because there are BIOSes out there in
3767 * real machines which also use this scheme.
3769 if (i
== nb_numa_nodes
) {
3770 for (i
= 0; i
< max_cpus
; i
++) {
3771 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
3776 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3780 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3782 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3784 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3786 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3789 /* If no default VGA is requested, the default is "none". */
3791 if (cirrus_vga_available()) {
3792 vga_model
= "cirrus";
3793 } else if (vga_available()) {
3797 select_vgahw(vga_model
);
3800 i
= select_watchdog(watchdog
);
3802 exit (i
== 1 ? 1 : 0);
3805 if (machine
->compat_props
) {
3806 qdev_prop_register_global_list(machine
->compat_props
);
3810 qdev_machine_init();
3812 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
3813 .boot_device
= boot_devices
,
3814 .kernel_filename
= kernel_filename
,
3815 .kernel_cmdline
= kernel_cmdline
,
3816 .initrd_filename
= initrd_filename
,
3817 .cpu_model
= cpu_model
};
3818 machine
->init(&args
);
3820 cpu_synchronize_all_post_init();
3824 current_machine
= machine
;
3826 /* init USB devices */
3827 if (usb_enabled(false)) {
3828 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3832 /* init generic devices */
3833 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3836 net_check_clients();
3838 /* just use the first displaystate for the moment */
3839 ds
= get_displaystate();
3843 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3844 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3845 display_type
= DT_SDL
;
3846 #elif defined(CONFIG_VNC)
3847 vnc_display
= "localhost:0,to=99";
3850 display_type
= DT_NONE
;
3855 /* init local displays */
3856 switch (display_type
) {
3859 #if defined(CONFIG_CURSES)
3861 if (!is_daemonized()) {
3862 curses_display_init(ds
, full_screen
);
3866 #if defined(CONFIG_SDL)
3868 sdl_display_init(ds
, full_screen
, no_frame
);
3870 #elif defined(CONFIG_COCOA)
3872 cocoa_display_init(ds
, full_screen
);
3879 /* must be after terminal init, SDL library changes signal handlers */
3880 os_setup_signal_handling();
3883 /* init remote displays */
3885 Error
*local_err
= NULL
;
3886 vnc_display_init(ds
);
3887 vnc_display_open(ds
, vnc_display
, &local_err
);
3888 if (local_err
!= NULL
) {
3889 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
3890 vnc_display
, error_get_pretty(local_err
));
3891 error_free(local_err
);
3895 if (show_vnc_port
) {
3896 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3901 if (using_spice
&& !qxl_enabled
) {
3902 qemu_spice_display_init(ds
);
3907 text_consoles_set_display(ds
);
3909 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
3913 qdev_machine_creation_done();
3915 if (rom_load_all() != 0) {
3916 fprintf(stderr
, "rom loading failed\n");
3920 /* TODO: once all bus devices are qdevified, this should be done
3921 * when bus is created by qdev.c */
3922 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3923 qemu_run_machine_init_done_notifiers();
3925 qemu_system_reset(VMRESET_SILENT
);
3927 if (load_vmstate(loadvm
) < 0) {
3933 Error
*local_err
= NULL
;
3934 qemu_start_incoming_migration(incoming
, &local_err
);
3936 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
3937 error_free(local_err
);
3940 } else if (autostart
) {