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
31 #include "qemu/bitmap.h"
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 "sysemu/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"
123 #include "hw/watchdog.h"
124 #include "hw/smbios.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir
[16];
183 static int data_dir_idx
;
184 const char *bios_name
= NULL
;
185 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
186 DisplayType display_type
= DT_DEFAULT
;
187 static int display_remote
;
188 const char* keyboard_layout
= NULL
;
190 const char *mem_path
= NULL
;
192 int mem_prealloc
= 0; /* force preallocation of physical target memory */
195 NICInfo nd_table
[MAX_NICS
];
197 static int rtc_utc
= 1;
198 static int rtc_date_offset
= -1; /* -1 means no change */
199 QEMUClock
*rtc_clock
;
200 int vga_interface_type
= VGA_NONE
;
201 static int full_screen
= 0;
203 static int no_frame
= 0;
206 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
207 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
208 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
209 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
210 int win2k_install_hack
= 0;
217 const char *vnc_display
;
219 int acpi_enabled
= 1;
222 static int no_reboot
;
225 int graphic_rotate
= 0;
226 const char *watchdog
;
227 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
229 int semihosting_enabled
= 0;
231 const char *qemu_name
;
234 unsigned int nb_prom_envs
= 0;
235 const char *prom_envs
[MAX_PROM_ENVS
];
237 uint8_t *boot_splash_filedata
;
238 size_t boot_splash_filedata_size
;
239 uint8_t qemu_extra_params_fw
[2];
241 typedef struct FWBootEntry FWBootEntry
;
244 QTAILQ_ENTRY(FWBootEntry
) link
;
250 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
251 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
254 uint64_t node_mem
[MAX_NODES
];
255 unsigned long *node_cpumask
[MAX_NODES
];
257 uint8_t qemu_uuid
[16];
259 static QEMUBootSetHandler
*boot_set_handler
;
260 static void *boot_set_opaque
;
262 static NotifierList exit_notifiers
=
263 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
265 static NotifierList machine_init_done_notifiers
=
266 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
268 static bool tcg_allowed
= true;
272 enum xen_mode xen_mode
= XEN_EMULATE
;
273 static int tcg_tb_size
;
275 static int default_serial
= 1;
276 static int default_parallel
= 1;
277 static int default_virtcon
= 1;
278 static int default_sclp
= 1;
279 static int default_monitor
= 1;
280 static int default_floppy
= 1;
281 static int default_cdrom
= 1;
282 static int default_sdcard
= 1;
283 static int default_vga
= 1;
289 { .driver
= "isa-serial", .flag
= &default_serial
},
290 { .driver
= "isa-parallel", .flag
= &default_parallel
},
291 { .driver
= "isa-fdc", .flag
= &default_floppy
},
292 { .driver
= "ide-cd", .flag
= &default_cdrom
},
293 { .driver
= "ide-hd", .flag
= &default_cdrom
},
294 { .driver
= "ide-drive", .flag
= &default_cdrom
},
295 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
296 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
297 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
298 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
299 { .driver
= "VGA", .flag
= &default_vga
},
300 { .driver
= "isa-vga", .flag
= &default_vga
},
301 { .driver
= "cirrus-vga", .flag
= &default_vga
},
302 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
303 { .driver
= "vmware-svga", .flag
= &default_vga
},
304 { .driver
= "qxl-vga", .flag
= &default_vga
},
307 static QemuOptsList qemu_rtc_opts
= {
309 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
313 .type
= QEMU_OPT_STRING
,
316 .type
= QEMU_OPT_STRING
,
319 .type
= QEMU_OPT_STRING
,
321 { /* end of list */ }
325 static QemuOptsList qemu_sandbox_opts
= {
327 .implied_opt_name
= "enable",
328 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
332 .type
= QEMU_OPT_BOOL
,
334 { /* end of list */ }
338 static QemuOptsList qemu_trace_opts
= {
340 .implied_opt_name
= "trace",
341 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
345 .type
= QEMU_OPT_STRING
,
348 .type
= QEMU_OPT_STRING
,
350 { /* end of list */ }
354 static QemuOptsList qemu_option_rom_opts
= {
355 .name
= "option-rom",
356 .implied_opt_name
= "romfile",
357 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
361 .type
= QEMU_OPT_NUMBER
,
364 .type
= QEMU_OPT_STRING
,
366 { /* end of list */ }
370 static QemuOptsList qemu_machine_opts
= {
372 .implied_opt_name
= "type",
374 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
378 .type
= QEMU_OPT_STRING
,
379 .help
= "emulated machine"
382 .type
= QEMU_OPT_STRING
,
383 .help
= "accelerator list",
385 .name
= "kernel_irqchip",
386 .type
= QEMU_OPT_BOOL
,
387 .help
= "use KVM in-kernel irqchip",
389 .name
= "kvm_shadow_mem",
390 .type
= QEMU_OPT_SIZE
,
391 .help
= "KVM shadow MMU size",
394 .type
= QEMU_OPT_STRING
,
395 .help
= "Linux kernel image file",
398 .type
= QEMU_OPT_STRING
,
399 .help
= "Linux initial ramdisk file",
402 .type
= QEMU_OPT_STRING
,
403 .help
= "Linux kernel command line",
406 .type
= QEMU_OPT_STRING
,
407 .help
= "Linux kernel device tree file",
410 .type
= QEMU_OPT_STRING
,
411 .help
= "Dump current dtb to a file and quit",
413 .name
= "phandle_start",
414 .type
= QEMU_OPT_STRING
,
415 .help
= "The first phandle ID we may generate dynamically",
417 .name
= "dt_compatible",
418 .type
= QEMU_OPT_STRING
,
419 .help
= "Overrides the \"compatible\" property of the dt root node",
421 .name
= "dump-guest-core",
422 .type
= QEMU_OPT_BOOL
,
423 .help
= "Include guest memory in a core dump",
426 .type
= QEMU_OPT_BOOL
,
427 .help
= "enable/disable memory merge support",
430 .type
= QEMU_OPT_BOOL
,
431 .help
= "Set on/off to enable/disable usb",
433 { /* End of list */ }
437 static QemuOptsList qemu_boot_opts
= {
439 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
441 /* the three names below are not used now */
444 .type
= QEMU_OPT_STRING
,
447 .type
= QEMU_OPT_STRING
,
450 .type
= QEMU_OPT_STRING
,
451 /* following are really used */
454 .type
= QEMU_OPT_STRING
,
456 .name
= "splash-time",
457 .type
= QEMU_OPT_STRING
,
459 .name
= "reboot-timeout",
460 .type
= QEMU_OPT_STRING
,
466 static QemuOptsList qemu_add_fd_opts
= {
468 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
472 .type
= QEMU_OPT_NUMBER
,
473 .help
= "file descriptor of which a duplicate is added to fd set",
476 .type
= QEMU_OPT_NUMBER
,
477 .help
= "ID of the fd set to add fd to",
480 .type
= QEMU_OPT_STRING
,
481 .help
= "free-form string used to describe fd",
483 { /* end of list */ }
487 static QemuOptsList qemu_object_opts
= {
489 .implied_opt_name
= "qom-type",
490 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
496 static QemuOptsList qemu_tpmdev_opts
= {
498 .implied_opt_name
= "type",
499 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
503 .type
= QEMU_OPT_STRING
,
504 .help
= "Type of TPM backend",
507 .name
= "cancel-path",
508 .type
= QEMU_OPT_STRING
,
509 .help
= "Sysfs file entry for canceling TPM commands",
513 .type
= QEMU_OPT_STRING
,
514 .help
= "Path to TPM device on the host",
516 { /* end of list */ }
520 const char *qemu_get_vm_name(void)
525 static void res_free(void)
527 if (boot_splash_filedata
!= NULL
) {
528 g_free(boot_splash_filedata
);
529 boot_splash_filedata
= NULL
;
533 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
535 const char *driver
= qemu_opt_get(opts
, "driver");
540 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
541 if (strcmp(default_list
[i
].driver
, driver
) != 0)
543 *(default_list
[i
].flag
) = 0;
548 /***********************************************************/
551 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
556 } RunStateTransition
;
558 static const RunStateTransition runstate_transitions_def
[] = {
560 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
562 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
563 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
565 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
566 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
568 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
569 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
571 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
572 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
574 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
575 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
577 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
578 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
579 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
581 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
582 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
584 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
586 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
587 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
588 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
589 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
590 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
591 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
592 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
593 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
594 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
596 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
598 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
599 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
602 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
603 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
604 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
607 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
609 { RUN_STATE_MAX
, RUN_STATE_MAX
},
612 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
614 bool runstate_check(RunState state
)
616 return current_run_state
== state
;
619 static void runstate_init(void)
621 const RunStateTransition
*p
;
623 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
625 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
626 runstate_valid_transitions
[p
->from
][p
->to
] = true;
630 /* This function will abort() on invalid state transitions */
631 void runstate_set(RunState new_state
)
633 assert(new_state
< RUN_STATE_MAX
);
635 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
636 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
637 RunState_lookup
[current_run_state
],
638 RunState_lookup
[new_state
]);
642 current_run_state
= new_state
;
645 int runstate_is_running(void)
647 return runstate_check(RUN_STATE_RUNNING
);
650 StatusInfo
*qmp_query_status(Error
**errp
)
652 StatusInfo
*info
= g_malloc0(sizeof(*info
));
654 info
->running
= runstate_is_running();
655 info
->singlestep
= singlestep
;
656 info
->status
= current_run_state
;
661 /***********************************************************/
662 /* real time host monotonic timer */
664 /***********************************************************/
665 /* host time/date access */
666 void qemu_get_timedate(struct tm
*tm
, int offset
)
672 if (rtc_date_offset
== -1) {
676 localtime_r(&ti
, tm
);
678 ti
-= rtc_date_offset
;
683 int qemu_timedate_diff(struct tm
*tm
)
687 if (rtc_date_offset
== -1)
689 seconds
= mktimegm(tm
);
692 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
693 seconds
= mktime(&tmp
);
696 seconds
= mktimegm(tm
) + rtc_date_offset
;
698 return seconds
- time(NULL
);
701 void rtc_change_mon_event(struct tm
*tm
)
705 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
706 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
707 qobject_decref(data
);
710 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
712 time_t rtc_start_date
;
715 if (!strcmp(startdate
, "now") && legacy
) {
716 rtc_date_offset
= -1;
718 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
726 } else if (sscanf(startdate
, "%d-%d-%d",
738 rtc_start_date
= mktimegm(&tm
);
739 if (rtc_start_date
== -1) {
741 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
742 "'2006-06-17T16:01:21' or '2006-06-17'\n");
745 rtc_date_offset
= time(NULL
) - rtc_start_date
;
749 static void configure_rtc(QemuOpts
*opts
)
753 value
= qemu_opt_get(opts
, "base");
755 if (!strcmp(value
, "utc")) {
757 } else if (!strcmp(value
, "localtime")) {
760 configure_rtc_date_offset(value
, 0);
763 value
= qemu_opt_get(opts
, "clock");
765 if (!strcmp(value
, "host")) {
766 rtc_clock
= host_clock
;
767 } else if (!strcmp(value
, "rt")) {
768 rtc_clock
= rt_clock
;
769 } else if (!strcmp(value
, "vm")) {
770 rtc_clock
= vm_clock
;
772 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
776 value
= qemu_opt_get(opts
, "driftfix");
778 if (!strcmp(value
, "slew")) {
779 static GlobalProperty slew_lost_ticks
[] = {
781 .driver
= "mc146818rtc",
782 .property
= "lost_tick_policy",
785 { /* end of list */ }
788 qdev_prop_register_global_list(slew_lost_ticks
);
789 } else if (!strcmp(value
, "none")) {
790 /* discard is default */
792 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
798 /***********************************************************/
799 /* Bluetooth support */
802 static struct HCIInfo
*hci_table
[MAX_NICS
];
804 static struct bt_vlan_s
{
805 struct bt_scatternet_s net
;
807 struct bt_vlan_s
*next
;
810 /* find or alloc a new bluetooth "VLAN" */
811 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
813 struct bt_vlan_s
**pvlan
, *vlan
;
814 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
818 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
820 pvlan
= &first_bt_vlan
;
821 while (*pvlan
!= NULL
)
822 pvlan
= &(*pvlan
)->next
;
827 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
831 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
836 static struct HCIInfo null_hci
= {
837 .cmd_send
= null_hci_send
,
838 .sco_send
= null_hci_send
,
839 .acl_send
= null_hci_send
,
840 .bdaddr_set
= null_hci_addr_set
,
843 struct HCIInfo
*qemu_next_hci(void)
845 if (cur_hci
== nb_hcis
)
848 return hci_table
[cur_hci
++];
851 static struct HCIInfo
*hci_init(const char *str
)
854 struct bt_scatternet_s
*vlan
= 0;
856 if (!strcmp(str
, "null"))
859 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
861 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
862 else if (!strncmp(str
, "hci", 3)) {
865 if (!strncmp(str
+ 3, ",vlan=", 6)) {
866 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
871 vlan
= qemu_find_bt_vlan(0);
873 return bt_new_hci(vlan
);
876 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
881 static int bt_hci_parse(const char *str
)
886 if (nb_hcis
>= MAX_NICS
) {
887 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
900 bdaddr
.b
[5] = 0x56 + nb_hcis
;
901 hci
->bdaddr_set(hci
, bdaddr
.b
);
903 hci_table
[nb_hcis
++] = hci
;
908 static void bt_vhci_add(int vlan_id
)
910 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
913 fprintf(stderr
, "qemu: warning: adding a VHCI to "
914 "an empty scatternet %i\n", vlan_id
);
916 bt_vhci_init(bt_new_hci(vlan
));
919 static struct bt_device_s
*bt_device_add(const char *opt
)
921 struct bt_scatternet_s
*vlan
;
923 char *endp
= strstr(opt
, ",vlan=");
924 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
927 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
930 vlan_id
= strtol(endp
+ 6, &endp
, 0);
932 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
937 vlan
= qemu_find_bt_vlan(vlan_id
);
940 fprintf(stderr
, "qemu: warning: adding a slave device to "
941 "an empty scatternet %i\n", vlan_id
);
943 if (!strcmp(devname
, "keyboard"))
944 return bt_keyboard_init(vlan
);
946 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
950 static int bt_parse(const char *opt
)
952 const char *endp
, *p
;
955 if (strstart(opt
, "hci", &endp
)) {
956 if (!*endp
|| *endp
== ',') {
958 if (!strstart(endp
, ",vlan=", 0))
961 return bt_hci_parse(opt
);
963 } else if (strstart(opt
, "vhci", &endp
)) {
964 if (!*endp
|| *endp
== ',') {
966 if (strstart(endp
, ",vlan=", &p
)) {
967 vlan
= strtol(p
, (char **) &endp
, 0);
969 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
973 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
982 } else if (strstart(opt
, "device:", &endp
))
983 return !bt_device_add(endp
);
985 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
989 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
991 /* FIXME: change this to true for 1.3 */
992 if (qemu_opt_get_bool(opts
, "enable", false)) {
993 #ifdef CONFIG_SECCOMP
994 if (seccomp_start() < 0) {
995 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
996 "failed to install seccomp syscall filter in the kernel");
1000 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1001 "sandboxing request but seccomp is not compiled into this build");
1009 /*********QEMU USB setting******/
1010 bool usb_enabled(bool default_usb
)
1012 QemuOpts
*mach_opts
;
1013 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1015 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1021 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1023 int fd
, dupfd
, flags
;
1025 const char *fd_opaque
= NULL
;
1027 fd
= qemu_opt_get_number(opts
, "fd", -1);
1028 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1029 fd_opaque
= qemu_opt_get(opts
, "opaque");
1032 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1033 "fd option is required and must be non-negative");
1037 if (fd
<= STDERR_FILENO
) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1039 "fd cannot be a standard I/O stream");
1044 * All fds inherited across exec() necessarily have FD_CLOEXEC
1045 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1047 flags
= fcntl(fd
, F_GETFD
);
1048 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1049 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1050 "fd is not valid or already in use");
1055 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1056 "set option is required and must be non-negative");
1060 #ifdef F_DUPFD_CLOEXEC
1061 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1065 qemu_set_cloexec(dupfd
);
1069 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1070 "Error duplicating fd: %s", strerror(errno
));
1074 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1075 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1081 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1085 fd
= qemu_opt_get_number(opts
, "fd", -1);
1092 /***********************************************************/
1093 /* QEMU Block devices */
1095 #define HD_OPTS "media=disk"
1096 #define CDROM_OPTS "media=cdrom"
1098 #define PFLASH_OPTS ""
1102 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1104 BlockInterfaceType
*block_default_type
= opaque
;
1106 return drive_init(opts
, *block_default_type
) == NULL
;
1109 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1111 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1112 qemu_opt_set(opts
, "snapshot", "on");
1117 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1118 int index
, const char *optstr
)
1122 if (!enable
|| drive_get_by_index(type
, index
)) {
1126 opts
= drive_add(type
, index
, NULL
, optstr
);
1128 drive_enable_snapshot(opts
, NULL
);
1130 if (!drive_init(opts
, type
)) {
1135 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1137 boot_set_handler
= func
;
1138 boot_set_opaque
= opaque
;
1141 int qemu_boot_set(const char *boot_devices
)
1143 if (!boot_set_handler
) {
1146 return boot_set_handler(boot_set_opaque
, boot_devices
);
1149 static void validate_bootdevices(char *devices
)
1151 /* We just do some generic consistency checks */
1155 for (p
= devices
; *p
!= '\0'; p
++) {
1156 /* Allowed boot devices are:
1157 * a-b: floppy disk drives
1158 * c-f: IDE disk drives
1159 * g-m: machine implementation dependent drives
1160 * n-p: network devices
1161 * It's up to each machine implementation to check if the given boot
1162 * devices match the actual hardware implementation and firmware
1165 if (*p
< 'a' || *p
> 'p') {
1166 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1169 if (bitmap
& (1 << (*p
- 'a'))) {
1170 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1173 bitmap
|= 1 << (*p
- 'a');
1177 static void restore_boot_devices(void *opaque
)
1179 char *standard_boot_devices
= opaque
;
1180 static int first
= 1;
1182 /* Restore boot order and remove ourselves after the first boot */
1188 qemu_boot_set(standard_boot_devices
);
1190 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1191 g_free(standard_boot_devices
);
1194 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1197 FWBootEntry
*node
, *i
;
1199 if (bootindex
< 0) {
1203 assert(dev
!= NULL
|| suffix
!= NULL
);
1205 node
= g_malloc0(sizeof(FWBootEntry
));
1206 node
->bootindex
= bootindex
;
1207 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
1210 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1211 if (i
->bootindex
== bootindex
) {
1212 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1214 } else if (i
->bootindex
< bootindex
) {
1217 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1220 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1224 * This function returns null terminated string that consist of new line
1225 * separated device paths.
1227 * memory pointed by "size" is assigned total length of the array in bytes
1230 char *get_boot_devices_list(size_t *size
)
1236 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1237 char *devpath
= NULL
, *bootpath
;
1241 devpath
= qdev_get_fw_dev_path(i
->dev
);
1245 if (i
->suffix
&& devpath
) {
1246 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1248 bootpath
= g_malloc(bootpathlen
);
1249 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1251 } else if (devpath
) {
1255 bootpath
= g_strdup(i
->suffix
);
1259 list
[total
-1] = '\n';
1261 len
= strlen(bootpath
) + 1;
1262 list
= g_realloc(list
, total
+ len
);
1263 memcpy(&list
[total
], bootpath
, len
);
1273 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1276 unsigned long long value
, endvalue
;
1278 /* Empty CPU range strings will be considered valid, they will simply
1279 * not set any bit in the CPU bitmap.
1285 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1288 if (*endptr
== '-') {
1289 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1292 } else if (*endptr
== '\0') {
1298 if (endvalue
>= MAX_CPUMASK_BITS
) {
1299 endvalue
= MAX_CPUMASK_BITS
- 1;
1301 "qemu: NUMA: A max of %d VCPUs are supported\n",
1305 if (endvalue
< value
) {
1309 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1313 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1317 static void numa_add(const char *optarg
)
1321 unsigned long long nodenr
;
1323 optarg
= get_opt_name(option
, 128, optarg
, ',');
1324 if (*optarg
== ',') {
1327 if (!strcmp(option
, "node")) {
1329 if (nb_numa_nodes
>= MAX_NODES
) {
1330 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1334 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1335 nodenr
= nb_numa_nodes
;
1337 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1338 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1343 if (nodenr
>= MAX_NODES
) {
1344 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1348 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1349 node_mem
[nodenr
] = 0;
1352 sval
= strtosz(option
, &endptr
);
1353 if (sval
< 0 || *endptr
) {
1354 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1357 node_mem
[nodenr
] = sval
;
1359 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1360 numa_node_parse_cpus(nodenr
, option
);
1364 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1369 static void smp_parse(const char *optarg
)
1371 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1375 smp
= strtoul(optarg
, &endptr
, 10);
1376 if (endptr
!= optarg
) {
1377 if (*endptr
== ',') {
1381 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1382 sockets
= strtoull(option
, NULL
, 10);
1383 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1384 cores
= strtoull(option
, NULL
, 10);
1385 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1386 threads
= strtoull(option
, NULL
, 10);
1387 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1388 max_cpus
= strtoull(option
, NULL
, 10);
1390 /* compute missing values, prefer sockets over cores over threads */
1391 if (smp
== 0 || sockets
== 0) {
1392 sockets
= sockets
> 0 ? sockets
: 1;
1393 cores
= cores
> 0 ? cores
: 1;
1394 threads
= threads
> 0 ? threads
: 1;
1396 smp
= cores
* threads
* sockets
;
1400 threads
= threads
> 0 ? threads
: 1;
1401 cores
= smp
/ (sockets
* threads
);
1403 threads
= smp
/ (cores
* sockets
);
1407 smp_cores
= cores
> 0 ? cores
: 1;
1408 smp_threads
= threads
> 0 ? threads
: 1;
1410 max_cpus
= smp_cpus
;
1413 /***********************************************************/
1416 static int usb_device_add(const char *devname
)
1419 USBDevice
*dev
= NULL
;
1421 if (!usb_enabled(false)) {
1425 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1426 dev
= usbdevice_create(devname
);
1430 /* the other ones */
1431 #ifndef CONFIG_LINUX
1432 /* only the linux version is qdev-ified, usb-bsd still needs this */
1433 if (strstart(devname
, "host:", &p
)) {
1434 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1437 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1438 dev
= usb_bt_init(usb_bus_find(-1),
1439 devname
[2] ? hci_init(p
)
1440 : bt_new_hci(qemu_find_bt_vlan(0)));
1451 static int usb_device_del(const char *devname
)
1456 if (strstart(devname
, "host:", &p
)) {
1460 if (!usb_enabled(false)) {
1464 p
= strchr(devname
, '.');
1467 bus_num
= strtoul(devname
, NULL
, 0);
1468 addr
= strtoul(p
+ 1, NULL
, 0);
1470 return usb_device_delete_addr(bus_num
, addr
);
1473 static int usb_parse(const char *cmdline
)
1476 r
= usb_device_add(cmdline
);
1478 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1483 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1485 const char *devname
= qdict_get_str(qdict
, "devname");
1486 if (usb_device_add(devname
) < 0) {
1487 error_report("could not add USB device '%s'", devname
);
1491 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1493 const char *devname
= qdict_get_str(qdict
, "devname");
1494 if (usb_device_del(devname
) < 0) {
1495 error_report("could not delete USB device '%s'", devname
);
1499 /***********************************************************/
1500 /* PCMCIA/Cardbus */
1502 static struct pcmcia_socket_entry_s
{
1503 PCMCIASocket
*socket
;
1504 struct pcmcia_socket_entry_s
*next
;
1505 } *pcmcia_sockets
= 0;
1507 void pcmcia_socket_register(PCMCIASocket
*socket
)
1509 struct pcmcia_socket_entry_s
*entry
;
1511 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1512 entry
->socket
= socket
;
1513 entry
->next
= pcmcia_sockets
;
1514 pcmcia_sockets
= entry
;
1517 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1519 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1521 ptr
= &pcmcia_sockets
;
1522 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1523 if (entry
->socket
== socket
) {
1529 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1531 struct pcmcia_socket_entry_s
*iter
;
1533 if (!pcmcia_sockets
)
1534 monitor_printf(mon
, "No PCMCIA sockets\n");
1536 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1537 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1538 iter
->socket
->attached
? iter
->socket
->card_string
:
1542 /***********************************************************/
1543 /* machine registration */
1545 static QEMUMachine
*first_machine
= NULL
;
1546 QEMUMachine
*current_machine
= NULL
;
1548 int qemu_register_machine(QEMUMachine
*m
)
1551 pm
= &first_machine
;
1559 static QEMUMachine
*find_machine(const char *name
)
1563 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1564 if (!strcmp(m
->name
, name
))
1566 if (m
->alias
&& !strcmp(m
->alias
, name
))
1572 QEMUMachine
*find_default_machine(void)
1576 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1577 if (m
->is_default
) {
1584 MachineInfoList
*qmp_query_machines(Error
**errp
)
1586 MachineInfoList
*mach_list
= NULL
;
1589 for (m
= first_machine
; m
; m
= m
->next
) {
1590 MachineInfoList
*entry
;
1593 info
= g_malloc0(sizeof(*info
));
1594 if (m
->is_default
) {
1595 info
->has_is_default
= true;
1596 info
->is_default
= true;
1600 info
->has_alias
= true;
1601 info
->alias
= g_strdup(m
->alias
);
1604 info
->name
= g_strdup(m
->name
);
1606 entry
= g_malloc0(sizeof(*entry
));
1607 entry
->value
= info
;
1608 entry
->next
= mach_list
;
1615 /***********************************************************/
1616 /* main execution loop */
1618 static void gui_update(void *opaque
)
1620 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1621 DisplayState
*ds
= opaque
;
1622 DisplayChangeListener
*dcl
;
1626 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1627 if (dcl
->gui_timer_interval
&&
1628 dcl
->gui_timer_interval
< interval
)
1629 interval
= dcl
->gui_timer_interval
;
1631 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1634 void gui_setup_refresh(DisplayState
*ds
)
1636 DisplayChangeListener
*dcl
;
1637 bool need_timer
= false;
1638 bool have_gfx
= false;
1639 bool have_text
= false;
1641 QLIST_FOREACH(dcl
, &ds
->listeners
, next
) {
1642 if (dcl
->dpy_refresh
!= NULL
) {
1645 if (dcl
->dpy_gfx_update
!= NULL
) {
1648 if (dcl
->dpy_text_update
!= NULL
) {
1653 if (need_timer
&& ds
->gui_timer
== NULL
) {
1654 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
1655 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
1657 if (!need_timer
&& ds
->gui_timer
!= NULL
) {
1658 qemu_del_timer(ds
->gui_timer
);
1659 qemu_free_timer(ds
->gui_timer
);
1660 ds
->gui_timer
= NULL
;
1663 ds
->have_gfx
= have_gfx
;
1664 ds
->have_text
= have_text
;
1667 struct vm_change_state_entry
{
1668 VMChangeStateHandler
*cb
;
1670 QLIST_ENTRY (vm_change_state_entry
) entries
;
1673 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1675 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1678 VMChangeStateEntry
*e
;
1680 e
= g_malloc0(sizeof (*e
));
1684 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1688 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1690 QLIST_REMOVE (e
, entries
);
1694 void vm_state_notify(int running
, RunState state
)
1696 VMChangeStateEntry
*e
;
1698 trace_vm_state_notify(running
, state
);
1700 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1701 e
->cb(e
->opaque
, running
, state
);
1707 if (!runstate_is_running()) {
1709 runstate_set(RUN_STATE_RUNNING
);
1710 vm_state_notify(1, RUN_STATE_RUNNING
);
1712 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1716 /* reset/shutdown handler */
1718 typedef struct QEMUResetEntry
{
1719 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1720 QEMUResetHandler
*func
;
1724 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1725 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1726 static int reset_requested
;
1727 static int shutdown_requested
, shutdown_signal
= -1;
1728 static pid_t shutdown_pid
;
1729 static int powerdown_requested
;
1730 static int debug_requested
;
1731 static int suspend_requested
;
1732 static int wakeup_requested
;
1733 static NotifierList powerdown_notifiers
=
1734 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1735 static NotifierList suspend_notifiers
=
1736 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1737 static NotifierList wakeup_notifiers
=
1738 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1739 static uint32_t wakeup_reason_mask
= ~0;
1740 static RunState vmstop_requested
= RUN_STATE_MAX
;
1742 int qemu_shutdown_requested_get(void)
1744 return shutdown_requested
;
1747 int qemu_reset_requested_get(void)
1749 return reset_requested
;
1752 static int qemu_shutdown_requested(void)
1754 int r
= shutdown_requested
;
1755 shutdown_requested
= 0;
1759 static void qemu_kill_report(void)
1761 if (!qtest_enabled() && shutdown_signal
!= -1) {
1762 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1763 if (shutdown_pid
== 0) {
1764 /* This happens for eg ^C at the terminal, so it's worth
1765 * avoiding printing an odd message in that case.
1767 fputc('\n', stderr
);
1769 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1771 shutdown_signal
= -1;
1775 static int qemu_reset_requested(void)
1777 int r
= reset_requested
;
1778 reset_requested
= 0;
1782 static int qemu_suspend_requested(void)
1784 int r
= suspend_requested
;
1785 suspend_requested
= 0;
1789 static int qemu_wakeup_requested(void)
1791 int r
= wakeup_requested
;
1792 wakeup_requested
= 0;
1796 static int qemu_powerdown_requested(void)
1798 int r
= powerdown_requested
;
1799 powerdown_requested
= 0;
1803 static int qemu_debug_requested(void)
1805 int r
= debug_requested
;
1806 debug_requested
= 0;
1810 /* We use RUN_STATE_MAX but any invalid value will do */
1811 static bool qemu_vmstop_requested(RunState
*r
)
1813 if (vmstop_requested
< RUN_STATE_MAX
) {
1814 *r
= vmstop_requested
;
1815 vmstop_requested
= RUN_STATE_MAX
;
1822 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1824 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1827 re
->opaque
= opaque
;
1828 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1831 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1835 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1836 if (re
->func
== func
&& re
->opaque
== opaque
) {
1837 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1844 void qemu_devices_reset(void)
1846 QEMUResetEntry
*re
, *nre
;
1848 /* reset all devices */
1849 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1850 re
->func(re
->opaque
);
1854 void qemu_system_reset(bool report
)
1856 if (current_machine
&& current_machine
->reset
) {
1857 current_machine
->reset();
1859 qemu_devices_reset();
1862 monitor_protocol_event(QEVENT_RESET
, NULL
);
1864 cpu_synchronize_all_post_reset();
1867 void qemu_system_reset_request(void)
1870 shutdown_requested
= 1;
1872 reset_requested
= 1;
1875 qemu_notify_event();
1878 static void qemu_system_suspend(void)
1881 notifier_list_notify(&suspend_notifiers
, NULL
);
1882 runstate_set(RUN_STATE_SUSPENDED
);
1883 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1886 void qemu_system_suspend_request(void)
1888 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1891 suspend_requested
= 1;
1893 qemu_notify_event();
1896 void qemu_register_suspend_notifier(Notifier
*notifier
)
1898 notifier_list_add(&suspend_notifiers
, notifier
);
1901 void qemu_system_wakeup_request(WakeupReason reason
)
1903 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1906 if (!(wakeup_reason_mask
& (1 << reason
))) {
1909 runstate_set(RUN_STATE_RUNNING
);
1910 notifier_list_notify(&wakeup_notifiers
, &reason
);
1911 wakeup_requested
= 1;
1912 qemu_notify_event();
1915 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1918 wakeup_reason_mask
|= (1 << reason
);
1920 wakeup_reason_mask
&= ~(1 << reason
);
1924 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1926 notifier_list_add(&wakeup_notifiers
, notifier
);
1929 void qemu_system_killed(int signal
, pid_t pid
)
1931 shutdown_signal
= signal
;
1934 qemu_system_shutdown_request();
1937 void qemu_system_shutdown_request(void)
1939 shutdown_requested
= 1;
1940 qemu_notify_event();
1943 static void qemu_system_powerdown(void)
1945 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1946 notifier_list_notify(&powerdown_notifiers
, NULL
);
1949 void qemu_system_powerdown_request(void)
1951 powerdown_requested
= 1;
1952 qemu_notify_event();
1955 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1957 notifier_list_add(&powerdown_notifiers
, notifier
);
1960 void qemu_system_debug_request(void)
1962 debug_requested
= 1;
1963 qemu_notify_event();
1966 void qemu_system_vmstop_request(RunState state
)
1968 vmstop_requested
= state
;
1969 qemu_notify_event();
1972 static bool main_loop_should_exit(void)
1975 if (qemu_debug_requested()) {
1976 vm_stop(RUN_STATE_DEBUG
);
1978 if (qemu_suspend_requested()) {
1979 qemu_system_suspend();
1981 if (qemu_shutdown_requested()) {
1983 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1985 vm_stop(RUN_STATE_SHUTDOWN
);
1990 if (qemu_reset_requested()) {
1992 cpu_synchronize_all_states();
1993 qemu_system_reset(VMRESET_REPORT
);
1995 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1996 runstate_check(RUN_STATE_SHUTDOWN
)) {
1997 runstate_set(RUN_STATE_PAUSED
);
2000 if (qemu_wakeup_requested()) {
2002 cpu_synchronize_all_states();
2003 qemu_system_reset(VMRESET_SILENT
);
2005 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2007 if (qemu_powerdown_requested()) {
2008 qemu_system_powerdown();
2010 if (qemu_vmstop_requested(&r
)) {
2016 static void main_loop(void)
2020 #ifdef CONFIG_PROFILER
2024 nonblocking
= !kvm_enabled() && last_io
> 0;
2025 #ifdef CONFIG_PROFILER
2026 ti
= profile_getclock();
2028 last_io
= main_loop_wait(nonblocking
);
2029 #ifdef CONFIG_PROFILER
2030 dev_time
+= profile_getclock() - ti
;
2032 } while (!main_loop_should_exit());
2035 static void version(void)
2037 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2040 static void help(int exitcode
)
2043 printf("usage: %s [options] [disk_image]\n\n"
2044 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2045 error_get_progname());
2047 #define QEMU_OPTIONS_GENERATE_HELP
2048 #include "qemu-options-wrapper.h"
2050 printf("\nDuring emulation, the following keys are useful:\n"
2051 "ctrl-alt-f toggle full screen\n"
2052 "ctrl-alt-n switch to virtual console 'n'\n"
2053 "ctrl-alt toggle mouse and keyboard grab\n"
2055 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2060 #define HAS_ARG 0x0001
2062 typedef struct QEMUOption
{
2069 static const QEMUOption qemu_options
[] = {
2070 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2071 #define QEMU_OPTIONS_GENERATE_OPTIONS
2072 #include "qemu-options-wrapper.h"
2076 static bool vga_available(void)
2078 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2081 static bool cirrus_vga_available(void)
2083 return object_class_by_name("cirrus-vga")
2084 || object_class_by_name("isa-cirrus-vga");
2087 static bool vmware_vga_available(void)
2089 return object_class_by_name("vmware-svga");
2092 static bool qxl_vga_available(void)
2094 return object_class_by_name("qxl-vga");
2097 static void select_vgahw (const char *p
)
2101 vga_interface_type
= VGA_NONE
;
2102 if (strstart(p
, "std", &opts
)) {
2103 if (vga_available()) {
2104 vga_interface_type
= VGA_STD
;
2106 fprintf(stderr
, "Error: standard VGA not available\n");
2109 } else if (strstart(p
, "cirrus", &opts
)) {
2110 if (cirrus_vga_available()) {
2111 vga_interface_type
= VGA_CIRRUS
;
2113 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2116 } else if (strstart(p
, "vmware", &opts
)) {
2117 if (vmware_vga_available()) {
2118 vga_interface_type
= VGA_VMWARE
;
2120 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2123 } else if (strstart(p
, "xenfb", &opts
)) {
2124 vga_interface_type
= VGA_XENFB
;
2125 } else if (strstart(p
, "qxl", &opts
)) {
2126 if (qxl_vga_available()) {
2127 vga_interface_type
= VGA_QXL
;
2129 fprintf(stderr
, "Error: QXL VGA not available\n");
2132 } else if (!strstart(p
, "none", &opts
)) {
2134 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2138 const char *nextopt
;
2140 if (strstart(opts
, ",retrace=", &nextopt
)) {
2142 if (strstart(opts
, "dumb", &nextopt
))
2143 vga_retrace_method
= VGA_RETRACE_DUMB
;
2144 else if (strstart(opts
, "precise", &nextopt
))
2145 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2146 else goto invalid_vga
;
2147 } else goto invalid_vga
;
2152 static DisplayType
select_display(const char *p
)
2155 DisplayType display
= DT_DEFAULT
;
2157 if (strstart(p
, "sdl", &opts
)) {
2161 const char *nextopt
;
2163 if (strstart(opts
, ",frame=", &nextopt
)) {
2165 if (strstart(opts
, "on", &nextopt
)) {
2167 } else if (strstart(opts
, "off", &nextopt
)) {
2170 goto invalid_sdl_args
;
2172 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2174 if (strstart(opts
, "on", &nextopt
)) {
2176 } else if (strstart(opts
, "off", &nextopt
)) {
2179 goto invalid_sdl_args
;
2181 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2183 if (strstart(opts
, "on", &nextopt
)) {
2185 } else if (strstart(opts
, "off", &nextopt
)) {
2188 goto invalid_sdl_args
;
2190 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2192 if (strstart(opts
, "on", &nextopt
)) {
2194 } else if (strstart(opts
, "off", &nextopt
)) {
2197 goto invalid_sdl_args
;
2201 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2207 fprintf(stderr
, "SDL support is disabled\n");
2210 } else if (strstart(p
, "vnc", &opts
)) {
2215 const char *nextopt
;
2217 if (strstart(opts
, "=", &nextopt
)) {
2218 vnc_display
= nextopt
;
2222 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2226 fprintf(stderr
, "VNC support is disabled\n");
2229 } else if (strstart(p
, "curses", &opts
)) {
2230 #ifdef CONFIG_CURSES
2231 display
= DT_CURSES
;
2233 fprintf(stderr
, "Curses support is disabled\n");
2236 } else if (strstart(p
, "gtk", &opts
)) {
2240 fprintf(stderr
, "GTK support is disabled\n");
2243 } else if (strstart(p
, "none", &opts
)) {
2246 fprintf(stderr
, "Unknown display type: %s\n", p
);
2253 static int balloon_parse(const char *arg
)
2257 if (strcmp(arg
, "none") == 0) {
2261 if (!strncmp(arg
, "virtio", 6)) {
2262 if (arg
[6] == ',') {
2263 /* have params -> parse them */
2264 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2268 /* create empty opts */
2269 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2271 qemu_opt_set(opts
, "driver", "virtio-balloon");
2278 char *qemu_find_file(int type
, const char *name
)
2284 /* Try the name as a straight path first */
2285 if (access(name
, R_OK
) == 0) {
2286 trace_load_file(name
, name
);
2287 return g_strdup(name
);
2291 case QEMU_FILE_TYPE_BIOS
:
2294 case QEMU_FILE_TYPE_KEYMAP
:
2295 subdir
= "keymaps/";
2301 for (i
= 0; i
< data_dir_idx
; i
++) {
2302 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2303 if (access(buf
, R_OK
) == 0) {
2304 trace_load_file(name
, buf
);
2312 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2314 return qdev_device_help(opts
);
2317 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2321 dev
= qdev_device_add(opts
);
2324 object_unref(OBJECT(dev
));
2328 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2330 Error
*local_err
= NULL
;
2332 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2333 if (error_is_set(&local_err
)) {
2334 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2335 error_free(local_err
);
2341 #ifdef CONFIG_VIRTFS
2342 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2345 ret
= qemu_fsdev_add(opts
);
2351 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2353 CharDriverState
*chr
;
2354 const char *chardev
;
2358 mode
= qemu_opt_get(opts
, "mode");
2362 if (strcmp(mode
, "readline") == 0) {
2363 flags
= MONITOR_USE_READLINE
;
2364 } else if (strcmp(mode
, "control") == 0) {
2365 flags
= MONITOR_USE_CONTROL
;
2367 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2371 if (qemu_opt_get_bool(opts
, "pretty", 0))
2372 flags
|= MONITOR_USE_PRETTY
;
2374 if (qemu_opt_get_bool(opts
, "default", 0))
2375 flags
|= MONITOR_IS_DEFAULT
;
2377 chardev
= qemu_opt_get(opts
, "chardev");
2378 chr
= qemu_chr_find(chardev
);
2380 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2384 monitor_init(chr
, flags
);
2388 static void monitor_parse(const char *optarg
, const char *mode
)
2390 static int monitor_device_index
= 0;
2396 if (strstart(optarg
, "chardev:", &p
)) {
2397 snprintf(label
, sizeof(label
), "%s", p
);
2399 snprintf(label
, sizeof(label
), "compat_monitor%d",
2400 monitor_device_index
);
2401 if (monitor_device_index
== 0) {
2404 opts
= qemu_chr_parse_compat(label
, optarg
);
2406 fprintf(stderr
, "parse error: %s\n", optarg
);
2411 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2413 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2416 qemu_opt_set(opts
, "mode", mode
);
2417 qemu_opt_set(opts
, "chardev", label
);
2419 qemu_opt_set(opts
, "default", "on");
2420 monitor_device_index
++;
2423 struct device_config
{
2425 DEV_USB
, /* -usbdevice */
2427 DEV_SERIAL
, /* -serial */
2428 DEV_PARALLEL
, /* -parallel */
2429 DEV_VIRTCON
, /* -virtioconsole */
2430 DEV_DEBUGCON
, /* -debugcon */
2431 DEV_GDB
, /* -gdb, -s */
2432 DEV_SCLP
, /* s390 sclp */
2434 const char *cmdline
;
2436 QTAILQ_ENTRY(device_config
) next
;
2439 static QTAILQ_HEAD(, device_config
) device_configs
=
2440 QTAILQ_HEAD_INITIALIZER(device_configs
);
2442 static void add_device_config(int type
, const char *cmdline
)
2444 struct device_config
*conf
;
2446 conf
= g_malloc0(sizeof(*conf
));
2448 conf
->cmdline
= cmdline
;
2449 loc_save(&conf
->loc
);
2450 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2453 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2455 struct device_config
*conf
;
2458 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2459 if (conf
->type
!= type
)
2461 loc_push_restore(&conf
->loc
);
2462 rc
= func(conf
->cmdline
);
2463 loc_pop(&conf
->loc
);
2470 static int serial_parse(const char *devname
)
2472 static int index
= 0;
2475 if (strcmp(devname
, "none") == 0)
2477 if (index
== MAX_SERIAL_PORTS
) {
2478 fprintf(stderr
, "qemu: too many serial ports\n");
2481 snprintf(label
, sizeof(label
), "serial%d", index
);
2482 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2483 if (!serial_hds
[index
]) {
2484 fprintf(stderr
, "qemu: could not connect serial device"
2485 " to character backend '%s'\n", devname
);
2492 static int parallel_parse(const char *devname
)
2494 static int index
= 0;
2497 if (strcmp(devname
, "none") == 0)
2499 if (index
== MAX_PARALLEL_PORTS
) {
2500 fprintf(stderr
, "qemu: too many parallel ports\n");
2503 snprintf(label
, sizeof(label
), "parallel%d", index
);
2504 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2505 if (!parallel_hds
[index
]) {
2506 fprintf(stderr
, "qemu: could not connect parallel device"
2507 " to character backend '%s'\n", devname
);
2514 static int virtcon_parse(const char *devname
)
2516 QemuOptsList
*device
= qemu_find_opts("device");
2517 static int index
= 0;
2519 QemuOpts
*bus_opts
, *dev_opts
;
2521 if (strcmp(devname
, "none") == 0)
2523 if (index
== MAX_VIRTIO_CONSOLES
) {
2524 fprintf(stderr
, "qemu: too many virtio consoles\n");
2528 bus_opts
= qemu_opts_create_nofail(device
);
2529 if (arch_type
== QEMU_ARCH_S390X
) {
2530 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2532 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2535 dev_opts
= qemu_opts_create_nofail(device
);
2536 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2538 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2539 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2540 if (!virtcon_hds
[index
]) {
2541 fprintf(stderr
, "qemu: could not connect virtio console"
2542 " to character backend '%s'\n", devname
);
2545 qemu_opt_set(dev_opts
, "chardev", label
);
2551 static int sclp_parse(const char *devname
)
2553 QemuOptsList
*device
= qemu_find_opts("device");
2554 static int index
= 0;
2558 if (strcmp(devname
, "none") == 0) {
2561 if (index
== MAX_SCLP_CONSOLES
) {
2562 fprintf(stderr
, "qemu: too many sclp consoles\n");
2566 assert(arch_type
== QEMU_ARCH_S390X
);
2568 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2569 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2571 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2572 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2573 if (!sclp_hds
[index
]) {
2574 fprintf(stderr
, "qemu: could not connect sclp console"
2575 " to character backend '%s'\n", devname
);
2578 qemu_opt_set(dev_opts
, "chardev", label
);
2584 static int debugcon_parse(const char *devname
)
2588 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2591 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2593 fprintf(stderr
, "qemu: already have a debugcon device\n");
2596 qemu_opt_set(opts
, "driver", "isa-debugcon");
2597 qemu_opt_set(opts
, "chardev", "debugcon");
2601 static QEMUMachine
*machine_parse(const char *name
)
2603 QEMUMachine
*m
, *machine
= NULL
;
2606 machine
= find_machine(name
);
2611 printf("Supported machines are:\n");
2612 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2614 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2616 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2617 m
->is_default
? " (default)" : "");
2619 exit(!name
|| !is_help_option(name
));
2622 static int tcg_init(void)
2624 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2629 const char *opt_name
;
2631 int (*available
)(void);
2635 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2636 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2637 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2638 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2641 static int configure_accelerator(void)
2643 const char *p
= NULL
;
2646 bool accel_initialised
= false;
2647 bool init_failed
= false;
2649 QemuOptsList
*list
= qemu_find_opts("machine");
2650 if (!QTAILQ_EMPTY(&list
->head
)) {
2651 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2655 /* Use the default "accelerator", tcg */
2659 while (!accel_initialised
&& *p
!= '\0') {
2663 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2664 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2665 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2666 if (!accel_list
[i
].available()) {
2667 printf("%s not supported for this target\n",
2668 accel_list
[i
].name
);
2671 *(accel_list
[i
].allowed
) = true;
2672 ret
= accel_list
[i
].init();
2675 fprintf(stderr
, "failed to initialize %s: %s\n",
2678 *(accel_list
[i
].allowed
) = false;
2680 accel_initialised
= true;
2685 if (i
== ARRAY_SIZE(accel_list
)) {
2686 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2690 if (!accel_initialised
) {
2692 fprintf(stderr
, "No accelerator found!\n");
2698 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2701 return !accel_initialised
;
2704 void qemu_add_exit_notifier(Notifier
*notify
)
2706 notifier_list_add(&exit_notifiers
, notify
);
2709 void qemu_remove_exit_notifier(Notifier
*notify
)
2711 notifier_remove(notify
);
2714 static void qemu_run_exit_notifiers(void)
2716 notifier_list_notify(&exit_notifiers
, NULL
);
2719 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2721 notifier_list_add(&machine_init_done_notifiers
, notify
);
2724 static void qemu_run_machine_init_done_notifiers(void)
2726 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2729 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2730 const char **poptarg
, int *poptind
)
2732 const QEMUOption
*popt
;
2733 int optind
= *poptind
;
2734 char *r
= argv
[optind
];
2737 loc_set_cmdline(argv
, optind
, 1);
2739 /* Treat --foo the same as -foo. */
2742 popt
= qemu_options
;
2745 error_report("invalid option");
2748 if (!strcmp(popt
->name
, r
+ 1))
2752 if (popt
->flags
& HAS_ARG
) {
2753 if (optind
>= argc
) {
2754 error_report("requires an argument");
2757 optarg
= argv
[optind
++];
2758 loc_set_cmdline(argv
, optind
- 2, 2);
2769 static gpointer
malloc_and_trace(gsize n_bytes
)
2771 void *ptr
= malloc(n_bytes
);
2772 trace_g_malloc(n_bytes
, ptr
);
2776 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2778 void *ptr
= realloc(mem
, n_bytes
);
2779 trace_g_realloc(mem
, n_bytes
, ptr
);
2783 static void free_and_trace(gpointer mem
)
2789 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2791 Object
*obj
= OBJECT(opaque
);
2792 StringInputVisitor
*siv
;
2793 Error
*local_err
= NULL
;
2795 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2799 siv
= string_input_visitor_new(value
);
2800 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2801 string_input_visitor_cleanup(siv
);
2804 qerror_report_err(local_err
);
2805 error_free(local_err
);
2812 static int object_create(QemuOpts
*opts
, void *opaque
)
2814 const char *type
= qemu_opt_get(opts
, "qom-type");
2815 const char *id
= qemu_opts_id(opts
);
2818 g_assert(type
!= NULL
);
2821 qerror_report(QERR_MISSING_PARAMETER
, "id");
2825 obj
= object_new(type
);
2826 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2830 object_property_add_child(container_get(object_get_root(), "/objects"),
2836 int main(int argc
, char **argv
, char **envp
)
2839 int snapshot
, linux_boot
;
2840 const char *icount_option
= NULL
;
2841 const char *initrd_filename
;
2842 const char *kernel_filename
, *kernel_cmdline
;
2843 char boot_devices
[33] = "";
2845 int cyls
, heads
, secs
, translation
;
2846 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2847 QemuOptsList
*olist
;
2850 const char *loadvm
= NULL
;
2851 QEMUMachine
*machine
;
2852 const char *cpu_model
;
2853 const char *vga_model
= "none";
2854 const char *pid_file
= NULL
;
2855 const char *incoming
= NULL
;
2857 int show_vnc_port
= 0;
2859 bool defconfig
= true;
2860 bool userconfig
= true;
2861 const char *log_mask
= NULL
;
2862 const char *log_file
= NULL
;
2863 GMemVTable mem_trace
= {
2864 .malloc
= malloc_and_trace
,
2865 .realloc
= realloc_and_trace
,
2866 .free
= free_and_trace
,
2868 const char *trace_events
= NULL
;
2869 const char *trace_file
= NULL
;
2871 atexit(qemu_run_exit_notifiers
);
2872 error_set_progname(argv
[0]);
2874 g_mem_set_vtable(&mem_trace
);
2875 if (!g_thread_supported()) {
2876 #if !GLIB_CHECK_VERSION(2, 31, 0)
2877 g_thread_init(NULL
);
2879 fprintf(stderr
, "glib threading failed to initialize.\n");
2884 module_call_init(MODULE_INIT_QOM
);
2886 qemu_add_opts(&qemu_drive_opts
);
2887 qemu_add_opts(&qemu_chardev_opts
);
2888 qemu_add_opts(&qemu_device_opts
);
2889 qemu_add_opts(&qemu_netdev_opts
);
2890 qemu_add_opts(&qemu_net_opts
);
2891 qemu_add_opts(&qemu_rtc_opts
);
2892 qemu_add_opts(&qemu_global_opts
);
2893 qemu_add_opts(&qemu_mon_opts
);
2894 qemu_add_opts(&qemu_trace_opts
);
2895 qemu_add_opts(&qemu_option_rom_opts
);
2896 qemu_add_opts(&qemu_machine_opts
);
2897 qemu_add_opts(&qemu_boot_opts
);
2898 qemu_add_opts(&qemu_sandbox_opts
);
2899 qemu_add_opts(&qemu_add_fd_opts
);
2900 qemu_add_opts(&qemu_object_opts
);
2901 qemu_add_opts(&qemu_tpmdev_opts
);
2906 rtc_clock
= host_clock
;
2908 qemu_cache_utils_init(envp
);
2910 QLIST_INIT (&vm_change_state_head
);
2911 os_setup_early_signal_handling();
2913 module_call_init(MODULE_INIT_MACHINE
);
2914 machine
= find_default_machine();
2918 cyls
= heads
= secs
= 0;
2919 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2921 for (i
= 0; i
< MAX_NODES
; i
++) {
2923 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2931 /* first pass of option parsing */
2933 while (optind
< argc
) {
2934 if (argv
[optind
][0] != '-') {
2939 const QEMUOption
*popt
;
2941 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2942 switch (popt
->index
) {
2943 case QEMU_OPTION_nodefconfig
:
2946 case QEMU_OPTION_nouserconfig
:
2955 ret
= qemu_read_default_config_files(userconfig
);
2961 /* second pass of option parsing */
2966 if (argv
[optind
][0] != '-') {
2967 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2969 const QEMUOption
*popt
;
2971 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2972 if (!(popt
->arch_mask
& arch_type
)) {
2973 printf("Option %s not supported for this target\n", popt
->name
);
2976 switch(popt
->index
) {
2978 machine
= machine_parse(optarg
);
2980 case QEMU_OPTION_no_kvm_irqchip
: {
2981 olist
= qemu_find_opts("machine");
2982 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2985 case QEMU_OPTION_cpu
:
2986 /* hw initialization will check this */
2989 case QEMU_OPTION_hda
:
2993 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2995 snprintf(buf
, sizeof(buf
),
2996 "%s,cyls=%d,heads=%d,secs=%d%s",
2997 HD_OPTS
, cyls
, heads
, secs
,
2998 translation
== BIOS_ATA_TRANSLATION_LBA
?
3000 translation
== BIOS_ATA_TRANSLATION_NONE
?
3001 ",trans=none" : "");
3002 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3005 case QEMU_OPTION_hdb
:
3006 case QEMU_OPTION_hdc
:
3007 case QEMU_OPTION_hdd
:
3008 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3011 case QEMU_OPTION_drive
:
3012 if (drive_def(optarg
) == NULL
) {
3016 case QEMU_OPTION_set
:
3017 if (qemu_set_option(optarg
) != 0)
3020 case QEMU_OPTION_global
:
3021 if (qemu_global_option(optarg
) != 0)
3024 case QEMU_OPTION_mtdblock
:
3025 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3027 case QEMU_OPTION_sd
:
3028 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3030 case QEMU_OPTION_pflash
:
3031 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3033 case QEMU_OPTION_snapshot
:
3036 case QEMU_OPTION_hdachs
:
3040 cyls
= strtol(p
, (char **)&p
, 0);
3041 if (cyls
< 1 || cyls
> 16383)
3046 heads
= strtol(p
, (char **)&p
, 0);
3047 if (heads
< 1 || heads
> 16)
3052 secs
= strtol(p
, (char **)&p
, 0);
3053 if (secs
< 1 || secs
> 63)
3057 if (!strcmp(p
, "none"))
3058 translation
= BIOS_ATA_TRANSLATION_NONE
;
3059 else if (!strcmp(p
, "lba"))
3060 translation
= BIOS_ATA_TRANSLATION_LBA
;
3061 else if (!strcmp(p
, "auto"))
3062 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3065 } else if (*p
!= '\0') {
3067 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3070 if (hda_opts
!= NULL
) {
3072 snprintf(num
, sizeof(num
), "%d", cyls
);
3073 qemu_opt_set(hda_opts
, "cyls", num
);
3074 snprintf(num
, sizeof(num
), "%d", heads
);
3075 qemu_opt_set(hda_opts
, "heads", num
);
3076 snprintf(num
, sizeof(num
), "%d", secs
);
3077 qemu_opt_set(hda_opts
, "secs", num
);
3078 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3079 qemu_opt_set(hda_opts
, "trans", "lba");
3080 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3081 qemu_opt_set(hda_opts
, "trans", "none");
3085 case QEMU_OPTION_numa
:
3088 case QEMU_OPTION_display
:
3089 display_type
= select_display(optarg
);
3091 case QEMU_OPTION_nographic
:
3092 display_type
= DT_NOGRAPHIC
;
3094 case QEMU_OPTION_curses
:
3095 #ifdef CONFIG_CURSES
3096 display_type
= DT_CURSES
;
3098 fprintf(stderr
, "Curses support is disabled\n");
3102 case QEMU_OPTION_portrait
:
3103 graphic_rotate
= 90;
3105 case QEMU_OPTION_rotate
:
3106 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3107 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3108 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3110 "qemu: only 90, 180, 270 deg rotation is available\n");
3114 case QEMU_OPTION_kernel
:
3115 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3117 case QEMU_OPTION_initrd
:
3118 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3120 case QEMU_OPTION_append
:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3123 case QEMU_OPTION_dtb
:
3124 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3126 case QEMU_OPTION_cdrom
:
3127 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3129 case QEMU_OPTION_boot
:
3131 static const char * const params
[] = {
3132 "order", "once", "menu",
3133 "splash", "splash-time",
3134 "reboot-timeout", NULL
3136 char buf
[sizeof(boot_devices
)];
3137 char *standard_boot_devices
;
3140 if (!strchr(optarg
, '=')) {
3142 pstrcpy(buf
, sizeof(buf
), optarg
);
3143 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3145 "qemu: unknown boot parameter '%s' in '%s'\n",
3151 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3152 validate_bootdevices(buf
);
3153 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3156 if (get_param_value(buf
, sizeof(buf
),
3158 validate_bootdevices(buf
);
3159 standard_boot_devices
= g_strdup(boot_devices
);
3160 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3161 qemu_register_reset(restore_boot_devices
,
3162 standard_boot_devices
);
3164 if (get_param_value(buf
, sizeof(buf
),
3166 if (!strcmp(buf
, "on")) {
3168 } else if (!strcmp(buf
, "off")) {
3172 "qemu: invalid option value '%s'\n",
3177 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3184 case QEMU_OPTION_fda
:
3185 case QEMU_OPTION_fdb
:
3186 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3189 case QEMU_OPTION_no_fd_bootchk
:
3192 case QEMU_OPTION_netdev
:
3193 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3197 case QEMU_OPTION_net
:
3198 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3202 #ifdef CONFIG_LIBISCSI
3203 case QEMU_OPTION_iscsi
:
3204 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3211 case QEMU_OPTION_tftp
:
3212 legacy_tftp_prefix
= optarg
;
3214 case QEMU_OPTION_bootp
:
3215 legacy_bootp_filename
= optarg
;
3217 case QEMU_OPTION_redir
:
3218 if (net_slirp_redir(optarg
) < 0)
3222 case QEMU_OPTION_bt
:
3223 add_device_config(DEV_BT
, optarg
);
3225 case QEMU_OPTION_audio_help
:
3226 if (!(audio_available())) {
3227 printf("Option %s not supported for this target\n", popt
->name
);
3233 case QEMU_OPTION_soundhw
:
3234 if (!(audio_available())) {
3235 printf("Option %s not supported for this target\n", popt
->name
);
3238 select_soundhw (optarg
);
3243 case QEMU_OPTION_version
:
3247 case QEMU_OPTION_m
: {
3252 value
= strtosz(optarg
, &end
);
3253 if (value
< 0 || *end
) {
3254 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3257 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3259 if (ram_size
!= sz
) {
3260 fprintf(stderr
, "qemu: ram size too large\n");
3266 case QEMU_OPTION_tpmdev
:
3267 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3272 case QEMU_OPTION_mempath
:
3276 case QEMU_OPTION_mem_prealloc
:
3287 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3289 case QEMU_OPTION_gdb
:
3290 add_device_config(DEV_GDB
, optarg
);
3293 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3294 data_dir
[data_dir_idx
++] = optarg
;
3297 case QEMU_OPTION_bios
:
3300 case QEMU_OPTION_singlestep
:
3307 keyboard_layout
= optarg
;
3309 case QEMU_OPTION_localtime
:
3312 case QEMU_OPTION_vga
:
3321 w
= strtol(p
, (char **)&p
, 10);
3324 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3330 h
= strtol(p
, (char **)&p
, 10);
3335 depth
= strtol(p
, (char **)&p
, 10);
3336 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3337 depth
!= 24 && depth
!= 32)
3339 } else if (*p
== '\0') {
3340 depth
= graphic_depth
;
3347 graphic_depth
= depth
;
3350 case QEMU_OPTION_echr
:
3353 term_escape_char
= strtol(optarg
, &r
, 0);
3355 printf("Bad argument to echr\n");
3358 case QEMU_OPTION_monitor
:
3359 monitor_parse(optarg
, "readline");
3360 default_monitor
= 0;
3362 case QEMU_OPTION_qmp
:
3363 monitor_parse(optarg
, "control");
3364 default_monitor
= 0;
3366 case QEMU_OPTION_mon
:
3367 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3371 default_monitor
= 0;
3373 case QEMU_OPTION_chardev
:
3374 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3379 case QEMU_OPTION_fsdev
:
3380 olist
= qemu_find_opts("fsdev");
3382 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3385 opts
= qemu_opts_parse(olist
, optarg
, 1);
3390 case QEMU_OPTION_virtfs
: {
3393 const char *writeout
, *sock_fd
, *socket
;
3395 olist
= qemu_find_opts("virtfs");
3397 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3400 opts
= qemu_opts_parse(olist
, optarg
, 1);
3405 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3406 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3407 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3410 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3411 qemu_opt_get(opts
, "mount_tag"),
3414 fprintf(stderr
, "duplicate fsdev id: %s\n",
3415 qemu_opt_get(opts
, "mount_tag"));
3419 writeout
= qemu_opt_get(opts
, "writeout");
3421 #ifdef CONFIG_SYNC_FILE_RANGE
3422 qemu_opt_set(fsdev
, "writeout", writeout
);
3424 fprintf(stderr
, "writeout=immediate not supported on "
3429 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3430 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3431 qemu_opt_set(fsdev
, "security_model",
3432 qemu_opt_get(opts
, "security_model"));
3433 socket
= qemu_opt_get(opts
, "socket");
3435 qemu_opt_set(fsdev
, "socket", socket
);
3437 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3439 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3442 qemu_opt_set_bool(fsdev
, "readonly",
3443 qemu_opt_get_bool(opts
, "readonly", 0));
3444 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3445 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3446 qemu_opt_set(device
, "fsdev",
3447 qemu_opt_get(opts
, "mount_tag"));
3448 qemu_opt_set(device
, "mount_tag",
3449 qemu_opt_get(opts
, "mount_tag"));
3452 case QEMU_OPTION_virtfs_synth
: {
3456 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3459 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3462 qemu_opt_set(fsdev
, "fsdriver", "synth");
3464 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3465 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3466 qemu_opt_set(device
, "fsdev", "v_synth");
3467 qemu_opt_set(device
, "mount_tag", "v_synth");
3470 case QEMU_OPTION_serial
:
3471 add_device_config(DEV_SERIAL
, optarg
);
3473 if (strncmp(optarg
, "mon:", 4) == 0) {
3474 default_monitor
= 0;
3477 case QEMU_OPTION_watchdog
:
3480 "qemu: only one watchdog option may be given\n");
3485 case QEMU_OPTION_watchdog_action
:
3486 if (select_watchdog_action(optarg
) == -1) {
3487 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3491 case QEMU_OPTION_virtiocon
:
3492 add_device_config(DEV_VIRTCON
, optarg
);
3493 default_virtcon
= 0;
3494 if (strncmp(optarg
, "mon:", 4) == 0) {
3495 default_monitor
= 0;
3498 case QEMU_OPTION_parallel
:
3499 add_device_config(DEV_PARALLEL
, optarg
);
3500 default_parallel
= 0;
3501 if (strncmp(optarg
, "mon:", 4) == 0) {
3502 default_monitor
= 0;
3505 case QEMU_OPTION_debugcon
:
3506 add_device_config(DEV_DEBUGCON
, optarg
);
3508 case QEMU_OPTION_loadvm
:
3511 case QEMU_OPTION_full_screen
:
3515 case QEMU_OPTION_no_frame
:
3518 case QEMU_OPTION_alt_grab
:
3521 case QEMU_OPTION_ctrl_grab
:
3524 case QEMU_OPTION_no_quit
:
3527 case QEMU_OPTION_sdl
:
3528 display_type
= DT_SDL
;
3531 case QEMU_OPTION_no_frame
:
3532 case QEMU_OPTION_alt_grab
:
3533 case QEMU_OPTION_ctrl_grab
:
3534 case QEMU_OPTION_no_quit
:
3535 case QEMU_OPTION_sdl
:
3536 fprintf(stderr
, "SDL support is disabled\n");
3539 case QEMU_OPTION_pidfile
:
3542 case QEMU_OPTION_win2k_hack
:
3543 win2k_install_hack
= 1;
3545 case QEMU_OPTION_rtc_td_hack
: {
3546 static GlobalProperty slew_lost_ticks
[] = {
3548 .driver
= "mc146818rtc",
3549 .property
= "lost_tick_policy",
3552 { /* end of list */ }
3555 qdev_prop_register_global_list(slew_lost_ticks
);
3558 case QEMU_OPTION_acpitable
:
3559 do_acpitable_option(optarg
);
3561 case QEMU_OPTION_smbios
:
3562 do_smbios_option(optarg
);
3564 case QEMU_OPTION_enable_kvm
:
3565 olist
= qemu_find_opts("machine");
3566 qemu_opts_parse(olist
, "accel=kvm", 0);
3568 case QEMU_OPTION_machine
:
3569 olist
= qemu_find_opts("machine");
3570 opts
= qemu_opts_parse(olist
, optarg
, 1);
3574 optarg
= qemu_opt_get(opts
, "type");
3576 machine
= machine_parse(optarg
);
3579 case QEMU_OPTION_no_kvm
:
3580 olist
= qemu_find_opts("machine");
3581 qemu_opts_parse(olist
, "accel=tcg", 0);
3583 case QEMU_OPTION_no_kvm_pit
: {
3584 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3588 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3589 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3591 .driver
= "kvm-pit",
3592 .property
= "lost_tick_policy",
3595 { /* end of list */ }
3598 fprintf(stderr
, "Warning: option deprecated, use "
3599 "lost_tick_policy property of kvm-pit instead.\n");
3600 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3603 case QEMU_OPTION_usb
:
3604 olist
= qemu_find_opts("machine");
3605 qemu_opts_parse(olist
, "usb=on", 0);
3607 case QEMU_OPTION_usbdevice
:
3608 olist
= qemu_find_opts("machine");
3609 qemu_opts_parse(olist
, "usb=on", 0);
3610 add_device_config(DEV_USB
, optarg
);
3612 case QEMU_OPTION_device
:
3613 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3617 case QEMU_OPTION_smp
:
3620 fprintf(stderr
, "Invalid number of CPUs\n");
3623 if (max_cpus
< smp_cpus
) {
3624 fprintf(stderr
, "maxcpus must be equal to or greater than "
3628 if (max_cpus
> 255) {
3629 fprintf(stderr
, "Unsupported number of maxcpus\n");
3633 case QEMU_OPTION_vnc
:
3636 vnc_display
= optarg
;
3638 fprintf(stderr
, "VNC support is disabled\n");
3642 case QEMU_OPTION_no_acpi
:
3645 case QEMU_OPTION_no_hpet
:
3648 case QEMU_OPTION_balloon
:
3649 if (balloon_parse(optarg
) < 0) {
3650 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3654 case QEMU_OPTION_no_reboot
:
3657 case QEMU_OPTION_no_shutdown
:
3660 case QEMU_OPTION_show_cursor
:
3663 case QEMU_OPTION_uuid
:
3664 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3665 fprintf(stderr
, "Fail to parse UUID string."
3666 " Wrong format.\n");
3670 case QEMU_OPTION_option_rom
:
3671 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3672 fprintf(stderr
, "Too many option ROMs\n");
3675 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3679 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3680 option_rom
[nb_option_roms
].bootindex
=
3681 qemu_opt_get_number(opts
, "bootindex", -1);
3682 if (!option_rom
[nb_option_roms
].name
) {
3683 fprintf(stderr
, "Option ROM file is not specified\n");
3688 case QEMU_OPTION_semihosting
:
3689 semihosting_enabled
= 1;
3691 case QEMU_OPTION_tdf
:
3692 fprintf(stderr
, "Warning: user space PIT time drift fix "
3693 "is no longer supported.\n");
3695 case QEMU_OPTION_name
:
3696 qemu_name
= g_strdup(optarg
);
3698 char *p
= strchr(qemu_name
, ',');
3701 if (strncmp(p
, "process=", 8)) {
3702 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3706 os_set_proc_name(p
);
3710 case QEMU_OPTION_prom_env
:
3711 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3712 fprintf(stderr
, "Too many prom variables\n");
3715 prom_envs
[nb_prom_envs
] = optarg
;
3718 case QEMU_OPTION_old_param
:
3721 case QEMU_OPTION_clock
:
3722 configure_alarms(optarg
);
3724 case QEMU_OPTION_startdate
:
3725 configure_rtc_date_offset(optarg
, 1);
3727 case QEMU_OPTION_rtc
:
3728 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3732 configure_rtc(opts
);
3734 case QEMU_OPTION_tb_size
:
3735 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3736 if (tcg_tb_size
< 0) {
3740 case QEMU_OPTION_icount
:
3741 icount_option
= optarg
;
3743 case QEMU_OPTION_incoming
:
3745 runstate_set(RUN_STATE_INMIGRATE
);
3747 case QEMU_OPTION_nodefaults
:
3749 default_parallel
= 0;
3750 default_virtcon
= 0;
3752 default_monitor
= 0;
3759 case QEMU_OPTION_xen_domid
:
3760 if (!(xen_available())) {
3761 printf("Option %s not supported for this target\n", popt
->name
);
3764 xen_domid
= atoi(optarg
);
3766 case QEMU_OPTION_xen_create
:
3767 if (!(xen_available())) {
3768 printf("Option %s not supported for this target\n", popt
->name
);
3771 xen_mode
= XEN_CREATE
;
3773 case QEMU_OPTION_xen_attach
:
3774 if (!(xen_available())) {
3775 printf("Option %s not supported for this target\n", popt
->name
);
3778 xen_mode
= XEN_ATTACH
;
3780 case QEMU_OPTION_trace
:
3782 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3786 trace_events
= qemu_opt_get(opts
, "events");
3787 trace_file
= qemu_opt_get(opts
, "file");
3790 case QEMU_OPTION_readconfig
:
3792 int ret
= qemu_read_config_file(optarg
);
3794 fprintf(stderr
, "read config %s: %s\n", optarg
,
3800 case QEMU_OPTION_spice
:
3801 olist
= qemu_find_opts("spice");
3803 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3806 opts
= qemu_opts_parse(olist
, optarg
, 0);
3812 case QEMU_OPTION_writeconfig
:
3815 if (strcmp(optarg
, "-") == 0) {
3818 fp
= fopen(optarg
, "w");
3820 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3824 qemu_config_write(fp
);
3828 case QEMU_OPTION_qtest
:
3829 qtest_chrdev
= optarg
;
3831 case QEMU_OPTION_qtest_log
:
3834 case QEMU_OPTION_sandbox
:
3835 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3840 case QEMU_OPTION_add_fd
:
3842 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3847 error_report("File descriptor passing is disabled on this "
3852 case QEMU_OPTION_object
:
3853 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3859 os_parse_cmd_args(popt
->index
, optarg
);
3865 if (qemu_init_main_loop()) {
3866 fprintf(stderr
, "qemu_init_main_loop failed\n");
3870 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3875 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3879 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3884 if (machine
== NULL
) {
3885 fprintf(stderr
, "No machine found.\n");
3889 if (machine
->hw_version
) {
3890 qemu_set_version(machine
->hw_version
);
3893 if (qemu_opts_foreach(qemu_find_opts("object"),
3894 object_create
, NULL
, 0) != 0) {
3898 /* Init CPU def lists, based on config
3899 * - Must be called after all the qemu_read_config_file() calls
3900 * - Must be called before list_cpus()
3901 * - Must be called before machine->init()
3905 if (cpu_model
&& is_help_option(cpu_model
)) {
3906 list_cpus(stdout
, &fprintf
, cpu_model
);
3910 /* Open the logfile at this point, if necessary. We can't open the logfile
3911 * when encountering either of the logging options (-d or -D) because the
3912 * other one may be encountered later on the command line, changing the
3913 * location or level of logging.
3918 qemu_set_log_filename(log_file
);
3921 mask
= qemu_str_to_log_mask(log_mask
);
3923 qemu_print_log_usage(stdout
);
3929 if (!trace_backend_init(trace_events
, trace_file
)) {
3933 /* If no data_dir is specified then try to find it relative to the
3935 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3936 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3937 if (data_dir
[data_dir_idx
] != NULL
) {
3941 /* If all else fails use the install path specified when building. */
3942 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3943 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3947 * Default to max_cpus = smp_cpus, in case the user doesn't
3948 * specify a max_cpus value.
3951 max_cpus
= smp_cpus
;
3953 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3954 if (smp_cpus
> machine
->max_cpus
) {
3955 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3956 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3962 * Get the default machine options from the machine if it is not already
3963 * specified either by the configuration file or by the command line.
3965 if (machine
->default_machine_opts
) {
3966 qemu_opts_set_defaults(qemu_find_opts("machine"),
3967 machine
->default_machine_opts
, 0);
3970 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3971 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3973 if (machine
->no_serial
) {
3976 if (machine
->no_parallel
) {
3977 default_parallel
= 0;
3979 if (!machine
->use_virtcon
) {
3980 default_virtcon
= 0;
3982 if (!machine
->use_sclp
) {
3985 if (machine
->no_floppy
) {
3988 if (machine
->no_cdrom
) {
3991 if (machine
->no_sdcard
) {
3995 if (is_daemonized()) {
3996 /* According to documentation and historically, -nographic redirects
3997 * serial port, parallel port and monitor to stdio, which does not work
3998 * with -daemonize. We can redirect these to null instead, but since
3999 * -nographic is legacy, let's just error out.
4000 * We disallow -nographic only if all other ports are not redirected
4001 * explicitly, to not break existing legacy setups which uses
4002 * -nographic _and_ redirects all ports explicitly - this is valid
4003 * usage, -nographic is just a no-op in this case.
4005 if (display_type
== DT_NOGRAPHIC
4006 && (default_parallel
|| default_serial
4007 || default_monitor
|| default_virtcon
)) {
4008 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4011 #ifdef CONFIG_CURSES
4012 if (display_type
== DT_CURSES
) {
4013 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4019 if (display_type
== DT_NOGRAPHIC
) {
4020 if (default_parallel
)
4021 add_device_config(DEV_PARALLEL
, "null");
4022 if (default_serial
&& default_monitor
) {
4023 add_device_config(DEV_SERIAL
, "mon:stdio");
4024 } else if (default_virtcon
&& default_monitor
) {
4025 add_device_config(DEV_VIRTCON
, "mon:stdio");
4026 } else if (default_sclp
&& default_monitor
) {
4027 add_device_config(DEV_SCLP
, "mon:stdio");
4030 add_device_config(DEV_SERIAL
, "stdio");
4031 if (default_virtcon
)
4032 add_device_config(DEV_VIRTCON
, "stdio");
4034 add_device_config(DEV_SCLP
, "stdio");
4036 if (default_monitor
)
4037 monitor_parse("stdio", "readline");
4041 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4042 if (default_parallel
)
4043 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4044 if (default_monitor
)
4045 monitor_parse("vc:80Cx24C", "readline");
4046 if (default_virtcon
)
4047 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4049 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4053 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4054 #if defined(CONFIG_GTK)
4055 display_type
= DT_GTK
;
4056 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4057 display_type
= DT_SDL
;
4058 #elif defined(CONFIG_VNC)
4059 vnc_display
= "localhost:0,to=99";
4062 display_type
= DT_NONE
;
4066 #if defined(CONFIG_GTK)
4067 if (display_type
== DT_GTK
) {
4068 early_gtk_display_init();
4074 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4076 #ifdef CONFIG_VIRTFS
4077 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4084 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4089 /* init the memory */
4090 if (ram_size
== 0) {
4091 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4094 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4099 configure_accelerator();
4101 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4103 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4104 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4105 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4107 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4110 if (!kernel_cmdline
) {
4111 kernel_cmdline
= "";
4114 linux_boot
= (kernel_filename
!= NULL
);
4116 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4117 fprintf(stderr
, "-append only allowed with -kernel option\n");
4121 if (!linux_boot
&& initrd_filename
!= NULL
) {
4122 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4126 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4127 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4131 os_set_line_buffering();
4133 qemu_init_cpu_loop();
4134 qemu_mutex_lock_iothread();
4137 /* spice needs the timers to be initialized by this point */
4141 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4142 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4145 configure_icount(icount_option
);
4147 /* clean up network at qemu process termination */
4148 atexit(&net_cleanup
);
4150 if (net_init_clients() < 0) {
4155 if (tpm_init() < 0) {
4160 /* init the bluetooth world */
4161 if (foreach_device_config(DEV_BT
, bt_parse
))
4164 if (!xen_enabled()) {
4165 /* On 32-bit hosts, QEMU is limited by virtual address space */
4166 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4167 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4172 cpu_exec_init_all();
4174 bdrv_init_with_whitelist();
4178 /* open the virtual block devices */
4180 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4181 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4182 &machine
->block_default_type
, 1) != 0) {
4186 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4188 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4189 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4191 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4193 if (nb_numa_nodes
> 0) {
4196 if (nb_numa_nodes
> MAX_NODES
) {
4197 nb_numa_nodes
= MAX_NODES
;
4200 /* If no memory size if given for any node, assume the default case
4201 * and distribute the available memory equally across all nodes
4203 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4204 if (node_mem
[i
] != 0)
4207 if (i
== nb_numa_nodes
) {
4208 uint64_t usedmem
= 0;
4210 /* On Linux, the each node's border has to be 8MB aligned,
4211 * the final node gets the rest.
4213 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4214 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4215 usedmem
+= node_mem
[i
];
4217 node_mem
[i
] = ram_size
- usedmem
;
4220 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4221 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4225 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4226 * must cope with this anyway, because there are BIOSes out there in
4227 * real machines which also use this scheme.
4229 if (i
== nb_numa_nodes
) {
4230 for (i
= 0; i
< max_cpus
; i
++) {
4231 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4236 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4240 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4242 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4244 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4246 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4249 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4252 /* If no default VGA is requested, the default is "none". */
4254 if (cirrus_vga_available()) {
4255 vga_model
= "cirrus";
4256 } else if (vga_available()) {
4260 select_vgahw(vga_model
);
4263 i
= select_watchdog(watchdog
);
4265 exit (i
== 1 ? 1 : 0);
4268 if (machine
->compat_props
) {
4269 qdev_prop_register_global_list(machine
->compat_props
);
4273 qdev_machine_init();
4275 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4276 .boot_device
= (boot_devices
[0] == '\0') ?
4277 machine
->boot_order
:
4279 .kernel_filename
= kernel_filename
,
4280 .kernel_cmdline
= kernel_cmdline
,
4281 .initrd_filename
= initrd_filename
,
4282 .cpu_model
= cpu_model
};
4283 machine
->init(&args
);
4285 cpu_synchronize_all_post_init();
4289 current_machine
= machine
;
4291 /* init USB devices */
4292 if (usb_enabled(false)) {
4293 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4297 /* init generic devices */
4298 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4301 net_check_clients();
4303 /* just use the first displaystate for the moment */
4304 ds
= get_displaystate();
4306 /* init local displays */
4307 switch (display_type
) {
4310 #if defined(CONFIG_CURSES)
4312 curses_display_init(ds
, full_screen
);
4315 #if defined(CONFIG_SDL)
4317 sdl_display_init(ds
, full_screen
, no_frame
);
4319 #elif defined(CONFIG_COCOA)
4321 cocoa_display_init(ds
, full_screen
);
4324 #if defined(CONFIG_GTK)
4326 gtk_display_init(ds
);
4333 /* must be after terminal init, SDL library changes signal handlers */
4334 os_setup_signal_handling();
4337 /* init remote displays */
4339 Error
*local_err
= NULL
;
4340 vnc_display_init(ds
);
4341 vnc_display_open(ds
, vnc_display
, &local_err
);
4342 if (local_err
!= NULL
) {
4343 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4344 vnc_display
, error_get_pretty(local_err
));
4345 error_free(local_err
);
4349 if (show_vnc_port
) {
4350 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4355 if (using_spice
&& !qxl_enabled
) {
4356 qemu_spice_display_init(ds
);
4361 text_consoles_set_display(ds
);
4363 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4367 qdev_machine_creation_done();
4369 if (rom_load_all() != 0) {
4370 fprintf(stderr
, "rom loading failed\n");
4374 /* TODO: once all bus devices are qdevified, this should be done
4375 * when bus is created by qdev.c */
4376 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4377 qemu_run_machine_init_done_notifiers();
4379 qemu_system_reset(VMRESET_SILENT
);
4381 if (load_vmstate(loadvm
) < 0) {
4387 Error
*local_err
= NULL
;
4388 qemu_start_incoming_migration(incoming
, &local_err
);
4390 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4391 error_free(local_err
);
4394 } else if (autostart
) {