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"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.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 "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.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
];
238 uint8_t *boot_splash_filedata
;
239 size_t boot_splash_filedata_size
;
240 uint8_t qemu_extra_params_fw
[2];
242 typedef struct FWBootEntry FWBootEntry
;
245 QTAILQ_ENTRY(FWBootEntry
) link
;
251 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
252 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
255 uint64_t node_mem
[MAX_NODES
];
256 unsigned long *node_cpumask
[MAX_NODES
];
258 uint8_t qemu_uuid
[16];
260 static QEMUBootSetHandler
*boot_set_handler
;
261 static void *boot_set_opaque
;
263 static NotifierList exit_notifiers
=
264 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
266 static NotifierList machine_init_done_notifiers
=
267 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
269 static bool tcg_allowed
= true;
273 enum xen_mode xen_mode
= XEN_EMULATE
;
274 static int tcg_tb_size
;
276 static int default_serial
= 1;
277 static int default_parallel
= 1;
278 static int default_virtcon
= 1;
279 static int default_sclp
= 1;
280 static int default_monitor
= 1;
281 static int default_floppy
= 1;
282 static int default_cdrom
= 1;
283 static int default_sdcard
= 1;
284 static int default_vga
= 1;
290 { .driver
= "isa-serial", .flag
= &default_serial
},
291 { .driver
= "isa-parallel", .flag
= &default_parallel
},
292 { .driver
= "isa-fdc", .flag
= &default_floppy
},
293 { .driver
= "ide-cd", .flag
= &default_cdrom
},
294 { .driver
= "ide-hd", .flag
= &default_cdrom
},
295 { .driver
= "ide-drive", .flag
= &default_cdrom
},
296 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
297 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
298 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
299 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
300 { .driver
= "VGA", .flag
= &default_vga
},
301 { .driver
= "isa-vga", .flag
= &default_vga
},
302 { .driver
= "cirrus-vga", .flag
= &default_vga
},
303 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
304 { .driver
= "vmware-svga", .flag
= &default_vga
},
305 { .driver
= "qxl-vga", .flag
= &default_vga
},
308 static QemuOptsList qemu_rtc_opts
= {
310 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
314 .type
= QEMU_OPT_STRING
,
317 .type
= QEMU_OPT_STRING
,
320 .type
= QEMU_OPT_STRING
,
322 { /* end of list */ }
326 static QemuOptsList qemu_sandbox_opts
= {
328 .implied_opt_name
= "enable",
329 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
333 .type
= QEMU_OPT_BOOL
,
335 { /* end of list */ }
339 static QemuOptsList qemu_trace_opts
= {
341 .implied_opt_name
= "trace",
342 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
346 .type
= QEMU_OPT_STRING
,
349 .type
= QEMU_OPT_STRING
,
351 { /* end of list */ }
355 static QemuOptsList qemu_option_rom_opts
= {
356 .name
= "option-rom",
357 .implied_opt_name
= "romfile",
358 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
362 .type
= QEMU_OPT_NUMBER
,
365 .type
= QEMU_OPT_STRING
,
367 { /* end of list */ }
371 static QemuOptsList qemu_machine_opts
= {
373 .implied_opt_name
= "type",
375 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
379 .type
= QEMU_OPT_STRING
,
380 .help
= "emulated machine"
383 .type
= QEMU_OPT_STRING
,
384 .help
= "accelerator list",
386 .name
= "kernel_irqchip",
387 .type
= QEMU_OPT_BOOL
,
388 .help
= "use KVM in-kernel irqchip",
390 .name
= "kvm_shadow_mem",
391 .type
= QEMU_OPT_SIZE
,
392 .help
= "KVM shadow MMU size",
395 .type
= QEMU_OPT_STRING
,
396 .help
= "Linux kernel image file",
399 .type
= QEMU_OPT_STRING
,
400 .help
= "Linux initial ramdisk file",
403 .type
= QEMU_OPT_STRING
,
404 .help
= "Linux kernel command line",
407 .type
= QEMU_OPT_STRING
,
408 .help
= "Linux kernel device tree file",
411 .type
= QEMU_OPT_STRING
,
412 .help
= "Dump current dtb to a file and quit",
414 .name
= "phandle_start",
415 .type
= QEMU_OPT_STRING
,
416 .help
= "The first phandle ID we may generate dynamically",
418 .name
= "dt_compatible",
419 .type
= QEMU_OPT_STRING
,
420 .help
= "Overrides the \"compatible\" property of the dt root node",
422 .name
= "dump-guest-core",
423 .type
= QEMU_OPT_BOOL
,
424 .help
= "Include guest memory in a core dump",
427 .type
= QEMU_OPT_BOOL
,
428 .help
= "enable/disable memory merge support",
431 .type
= QEMU_OPT_BOOL
,
432 .help
= "Set on/off to enable/disable usb",
434 { /* End of list */ }
438 static QemuOptsList qemu_boot_opts
= {
440 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
442 /* the three names below are not used now */
445 .type
= QEMU_OPT_STRING
,
448 .type
= QEMU_OPT_STRING
,
451 .type
= QEMU_OPT_STRING
,
452 /* following are really used */
455 .type
= QEMU_OPT_STRING
,
457 .name
= "splash-time",
458 .type
= QEMU_OPT_STRING
,
460 .name
= "reboot-timeout",
461 .type
= QEMU_OPT_STRING
,
464 .type
= QEMU_OPT_STRING
,
470 static QemuOptsList qemu_add_fd_opts
= {
472 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
476 .type
= QEMU_OPT_NUMBER
,
477 .help
= "file descriptor of which a duplicate is added to fd set",
480 .type
= QEMU_OPT_NUMBER
,
481 .help
= "ID of the fd set to add fd to",
484 .type
= QEMU_OPT_STRING
,
485 .help
= "free-form string used to describe fd",
487 { /* end of list */ }
491 static QemuOptsList qemu_object_opts
= {
493 .implied_opt_name
= "qom-type",
494 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
500 static QemuOptsList qemu_tpmdev_opts
= {
502 .implied_opt_name
= "type",
503 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
505 /* options are defined in the TPM backends */
506 { /* end of list */ }
510 static QemuOptsList qemu_realtime_opts
= {
512 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
516 .type
= QEMU_OPT_BOOL
,
518 { /* end of list */ }
522 const char *qemu_get_vm_name(void)
527 static void res_free(void)
529 if (boot_splash_filedata
!= NULL
) {
530 g_free(boot_splash_filedata
);
531 boot_splash_filedata
= NULL
;
535 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
537 const char *driver
= qemu_opt_get(opts
, "driver");
542 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
543 if (strcmp(default_list
[i
].driver
, driver
) != 0)
545 *(default_list
[i
].flag
) = 0;
550 /***********************************************************/
553 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
558 } RunStateTransition
;
560 static const RunStateTransition runstate_transitions_def
[] = {
562 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
564 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
565 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
567 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
568 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
570 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
571 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
573 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
574 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
576 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
577 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
579 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
580 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
581 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
583 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
584 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
586 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
588 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
589 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
590 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
591 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
592 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
593 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
594 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
595 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
596 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
598 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
600 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
601 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
604 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
605 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
606 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
608 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
609 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_MAX
, RUN_STATE_MAX
},
614 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
616 bool runstate_check(RunState state
)
618 return current_run_state
== state
;
621 static void runstate_init(void)
623 const RunStateTransition
*p
;
625 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
627 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
628 runstate_valid_transitions
[p
->from
][p
->to
] = true;
632 /* This function will abort() on invalid state transitions */
633 void runstate_set(RunState new_state
)
635 assert(new_state
< RUN_STATE_MAX
);
637 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
638 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
639 RunState_lookup
[current_run_state
],
640 RunState_lookup
[new_state
]);
643 trace_runstate_set(new_state
);
644 current_run_state
= new_state
;
647 int runstate_is_running(void)
649 return runstate_check(RUN_STATE_RUNNING
);
652 StatusInfo
*qmp_query_status(Error
**errp
)
654 StatusInfo
*info
= g_malloc0(sizeof(*info
));
656 info
->running
= runstate_is_running();
657 info
->singlestep
= singlestep
;
658 info
->status
= current_run_state
;
663 /***********************************************************/
664 /* real time host monotonic timer */
666 /***********************************************************/
667 /* host time/date access */
668 void qemu_get_timedate(struct tm
*tm
, int offset
)
674 if (rtc_date_offset
== -1) {
678 localtime_r(&ti
, tm
);
680 ti
-= rtc_date_offset
;
685 int qemu_timedate_diff(struct tm
*tm
)
689 if (rtc_date_offset
== -1)
691 seconds
= mktimegm(tm
);
694 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
695 seconds
= mktime(&tmp
);
698 seconds
= mktimegm(tm
) + rtc_date_offset
;
700 return seconds
- time(NULL
);
703 void rtc_change_mon_event(struct tm
*tm
)
707 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
708 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
709 qobject_decref(data
);
712 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
714 time_t rtc_start_date
;
717 if (!strcmp(startdate
, "now") && legacy
) {
718 rtc_date_offset
= -1;
720 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
728 } else if (sscanf(startdate
, "%d-%d-%d",
740 rtc_start_date
= mktimegm(&tm
);
741 if (rtc_start_date
== -1) {
743 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
744 "'2006-06-17T16:01:21' or '2006-06-17'\n");
747 rtc_date_offset
= time(NULL
) - rtc_start_date
;
751 static void configure_rtc(QemuOpts
*opts
)
755 value
= qemu_opt_get(opts
, "base");
757 if (!strcmp(value
, "utc")) {
759 } else if (!strcmp(value
, "localtime")) {
762 configure_rtc_date_offset(value
, 0);
765 value
= qemu_opt_get(opts
, "clock");
767 if (!strcmp(value
, "host")) {
768 rtc_clock
= host_clock
;
769 } else if (!strcmp(value
, "rt")) {
770 rtc_clock
= rt_clock
;
771 } else if (!strcmp(value
, "vm")) {
772 rtc_clock
= vm_clock
;
774 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
778 value
= qemu_opt_get(opts
, "driftfix");
780 if (!strcmp(value
, "slew")) {
781 static GlobalProperty slew_lost_ticks
[] = {
783 .driver
= "mc146818rtc",
784 .property
= "lost_tick_policy",
787 { /* end of list */ }
790 qdev_prop_register_global_list(slew_lost_ticks
);
791 } else if (!strcmp(value
, "none")) {
792 /* discard is default */
794 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
800 /***********************************************************/
801 /* Bluetooth support */
804 static struct HCIInfo
*hci_table
[MAX_NICS
];
806 static struct bt_vlan_s
{
807 struct bt_scatternet_s net
;
809 struct bt_vlan_s
*next
;
812 /* find or alloc a new bluetooth "VLAN" */
813 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
815 struct bt_vlan_s
**pvlan
, *vlan
;
816 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
820 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
822 pvlan
= &first_bt_vlan
;
823 while (*pvlan
!= NULL
)
824 pvlan
= &(*pvlan
)->next
;
829 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
833 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
838 static struct HCIInfo null_hci
= {
839 .cmd_send
= null_hci_send
,
840 .sco_send
= null_hci_send
,
841 .acl_send
= null_hci_send
,
842 .bdaddr_set
= null_hci_addr_set
,
845 struct HCIInfo
*qemu_next_hci(void)
847 if (cur_hci
== nb_hcis
)
850 return hci_table
[cur_hci
++];
853 static struct HCIInfo
*hci_init(const char *str
)
856 struct bt_scatternet_s
*vlan
= 0;
858 if (!strcmp(str
, "null"))
861 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
863 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
864 else if (!strncmp(str
, "hci", 3)) {
867 if (!strncmp(str
+ 3, ",vlan=", 6)) {
868 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
873 vlan
= qemu_find_bt_vlan(0);
875 return bt_new_hci(vlan
);
878 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
883 static int bt_hci_parse(const char *str
)
888 if (nb_hcis
>= MAX_NICS
) {
889 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
902 bdaddr
.b
[5] = 0x56 + nb_hcis
;
903 hci
->bdaddr_set(hci
, bdaddr
.b
);
905 hci_table
[nb_hcis
++] = hci
;
910 static void bt_vhci_add(int vlan_id
)
912 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
915 fprintf(stderr
, "qemu: warning: adding a VHCI to "
916 "an empty scatternet %i\n", vlan_id
);
918 bt_vhci_init(bt_new_hci(vlan
));
921 static struct bt_device_s
*bt_device_add(const char *opt
)
923 struct bt_scatternet_s
*vlan
;
925 char *endp
= strstr(opt
, ",vlan=");
926 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
929 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
932 vlan_id
= strtol(endp
+ 6, &endp
, 0);
934 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
939 vlan
= qemu_find_bt_vlan(vlan_id
);
942 fprintf(stderr
, "qemu: warning: adding a slave device to "
943 "an empty scatternet %i\n", vlan_id
);
945 if (!strcmp(devname
, "keyboard"))
946 return bt_keyboard_init(vlan
);
948 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
952 static int bt_parse(const char *opt
)
954 const char *endp
, *p
;
957 if (strstart(opt
, "hci", &endp
)) {
958 if (!*endp
|| *endp
== ',') {
960 if (!strstart(endp
, ",vlan=", 0))
963 return bt_hci_parse(opt
);
965 } else if (strstart(opt
, "vhci", &endp
)) {
966 if (!*endp
|| *endp
== ',') {
968 if (strstart(endp
, ",vlan=", &p
)) {
969 vlan
= strtol(p
, (char **) &endp
, 0);
971 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
975 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
984 } else if (strstart(opt
, "device:", &endp
))
985 return !bt_device_add(endp
);
987 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
991 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
993 /* FIXME: change this to true for 1.3 */
994 if (qemu_opt_get_bool(opts
, "enable", false)) {
995 #ifdef CONFIG_SECCOMP
996 if (seccomp_start() < 0) {
997 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
998 "failed to install seccomp syscall filter in the kernel");
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1003 "sandboxing request but seccomp is not compiled into this build");
1011 /*********QEMU USB setting******/
1012 bool usb_enabled(bool default_usb
)
1014 QemuOpts
*mach_opts
;
1015 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1017 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1023 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1025 int fd
, dupfd
, flags
;
1027 const char *fd_opaque
= NULL
;
1029 fd
= qemu_opt_get_number(opts
, "fd", -1);
1030 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1031 fd_opaque
= qemu_opt_get(opts
, "opaque");
1034 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1035 "fd option is required and must be non-negative");
1039 if (fd
<= STDERR_FILENO
) {
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1041 "fd cannot be a standard I/O stream");
1046 * All fds inherited across exec() necessarily have FD_CLOEXEC
1047 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1049 flags
= fcntl(fd
, F_GETFD
);
1050 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1051 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1052 "fd is not valid or already in use");
1057 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1058 "set option is required and must be non-negative");
1062 #ifdef F_DUPFD_CLOEXEC
1063 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1067 qemu_set_cloexec(dupfd
);
1071 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1072 "Error duplicating fd: %s", strerror(errno
));
1076 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1077 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1083 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1087 fd
= qemu_opt_get_number(opts
, "fd", -1);
1094 /***********************************************************/
1095 /* QEMU Block devices */
1097 #define HD_OPTS "media=disk"
1098 #define CDROM_OPTS "media=cdrom"
1100 #define PFLASH_OPTS ""
1104 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1106 BlockInterfaceType
*block_default_type
= opaque
;
1108 return drive_init(opts
, *block_default_type
) == NULL
;
1111 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1113 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1114 qemu_opt_set(opts
, "snapshot", "on");
1119 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1120 int index
, const char *optstr
)
1124 if (!enable
|| drive_get_by_index(type
, index
)) {
1128 opts
= drive_add(type
, index
, NULL
, optstr
);
1130 drive_enable_snapshot(opts
, NULL
);
1132 if (!drive_init(opts
, type
)) {
1137 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1139 boot_set_handler
= func
;
1140 boot_set_opaque
= opaque
;
1143 int qemu_boot_set(const char *boot_devices
)
1145 if (!boot_set_handler
) {
1148 return boot_set_handler(boot_set_opaque
, boot_devices
);
1151 static void validate_bootdevices(char *devices
)
1153 /* We just do some generic consistency checks */
1157 for (p
= devices
; *p
!= '\0'; p
++) {
1158 /* Allowed boot devices are:
1159 * a-b: floppy disk drives
1160 * c-f: IDE disk drives
1161 * g-m: machine implementation dependent drives
1162 * n-p: network devices
1163 * It's up to each machine implementation to check if the given boot
1164 * devices match the actual hardware implementation and firmware
1167 if (*p
< 'a' || *p
> 'p') {
1168 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1171 if (bitmap
& (1 << (*p
- 'a'))) {
1172 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1175 bitmap
|= 1 << (*p
- 'a');
1179 static void restore_boot_devices(void *opaque
)
1181 char *standard_boot_devices
= opaque
;
1182 static int first
= 1;
1184 /* Restore boot order and remove ourselves after the first boot */
1190 qemu_boot_set(standard_boot_devices
);
1192 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1193 g_free(standard_boot_devices
);
1196 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1199 FWBootEntry
*node
, *i
;
1201 if (bootindex
< 0) {
1205 assert(dev
!= NULL
|| suffix
!= NULL
);
1207 node
= g_malloc0(sizeof(FWBootEntry
));
1208 node
->bootindex
= bootindex
;
1209 node
->suffix
= suffix
? g_strdup(suffix
) : NULL
;
1212 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1213 if (i
->bootindex
== bootindex
) {
1214 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1216 } else if (i
->bootindex
< bootindex
) {
1219 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1222 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1226 * This function returns null terminated string that consist of new line
1227 * separated device paths.
1229 * memory pointed by "size" is assigned total length of the array in bytes
1232 char *get_boot_devices_list(size_t *size
)
1238 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1239 char *devpath
= NULL
, *bootpath
;
1243 devpath
= qdev_get_fw_dev_path(i
->dev
);
1247 if (i
->suffix
&& devpath
) {
1248 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1250 bootpath
= g_malloc(bootpathlen
);
1251 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1253 } else if (devpath
) {
1257 bootpath
= g_strdup(i
->suffix
);
1261 list
[total
-1] = '\n';
1263 len
= strlen(bootpath
) + 1;
1264 list
= g_realloc(list
, total
+ len
);
1265 memcpy(&list
[total
], bootpath
, len
);
1272 if (boot_strict
&& *size
> 0) {
1273 list
[total
-1] = '\n';
1274 list
= g_realloc(list
, total
+ 5);
1275 memcpy(&list
[total
], "HALT", 5);
1281 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1284 unsigned long long value
, endvalue
;
1286 /* Empty CPU range strings will be considered valid, they will simply
1287 * not set any bit in the CPU bitmap.
1293 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1296 if (*endptr
== '-') {
1297 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1300 } else if (*endptr
== '\0') {
1306 if (endvalue
>= MAX_CPUMASK_BITS
) {
1307 endvalue
= MAX_CPUMASK_BITS
- 1;
1309 "qemu: NUMA: A max of %d VCPUs are supported\n",
1313 if (endvalue
< value
) {
1317 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1321 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1325 static void numa_add(const char *optarg
)
1329 unsigned long long nodenr
;
1331 optarg
= get_opt_name(option
, 128, optarg
, ',');
1332 if (*optarg
== ',') {
1335 if (!strcmp(option
, "node")) {
1337 if (nb_numa_nodes
>= MAX_NODES
) {
1338 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1342 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1343 nodenr
= nb_numa_nodes
;
1345 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1346 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1351 if (nodenr
>= MAX_NODES
) {
1352 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1356 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1357 node_mem
[nodenr
] = 0;
1360 sval
= strtosz(option
, &endptr
);
1361 if (sval
< 0 || *endptr
) {
1362 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1365 node_mem
[nodenr
] = sval
;
1367 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1368 numa_node_parse_cpus(nodenr
, option
);
1372 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1377 static void smp_parse(const char *optarg
)
1379 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1383 smp
= strtoul(optarg
, &endptr
, 10);
1384 if (endptr
!= optarg
) {
1385 if (*endptr
== ',') {
1389 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1390 sockets
= strtoull(option
, NULL
, 10);
1391 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1392 cores
= strtoull(option
, NULL
, 10);
1393 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1394 threads
= strtoull(option
, NULL
, 10);
1395 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1396 max_cpus
= strtoull(option
, NULL
, 10);
1398 /* compute missing values, prefer sockets over cores over threads */
1399 if (smp
== 0 || sockets
== 0) {
1400 sockets
= sockets
> 0 ? sockets
: 1;
1401 cores
= cores
> 0 ? cores
: 1;
1402 threads
= threads
> 0 ? threads
: 1;
1404 smp
= cores
* threads
* sockets
;
1408 threads
= threads
> 0 ? threads
: 1;
1409 cores
= smp
/ (sockets
* threads
);
1411 threads
= smp
/ (cores
* sockets
);
1415 smp_cores
= cores
> 0 ? cores
: 1;
1416 smp_threads
= threads
> 0 ? threads
: 1;
1418 max_cpus
= smp_cpus
;
1421 static void configure_realtime(QemuOpts
*opts
)
1425 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1428 if (os_mlock() < 0) {
1429 fprintf(stderr
, "qemu: locking memory failed\n");
1435 /***********************************************************/
1438 static int usb_device_add(const char *devname
)
1441 USBDevice
*dev
= NULL
;
1443 if (!usb_enabled(false)) {
1447 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1448 dev
= usbdevice_create(devname
);
1452 /* the other ones */
1453 #ifndef CONFIG_LINUX
1454 /* only the linux version is qdev-ified, usb-bsd still needs this */
1455 if (strstart(devname
, "host:", &p
)) {
1456 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1459 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1460 dev
= usb_bt_init(usb_bus_find(-1),
1461 devname
[2] ? hci_init(p
)
1462 : bt_new_hci(qemu_find_bt_vlan(0)));
1473 static int usb_device_del(const char *devname
)
1478 if (strstart(devname
, "host:", &p
)) {
1482 if (!usb_enabled(false)) {
1486 p
= strchr(devname
, '.');
1489 bus_num
= strtoul(devname
, NULL
, 0);
1490 addr
= strtoul(p
+ 1, NULL
, 0);
1492 return usb_device_delete_addr(bus_num
, addr
);
1495 static int usb_parse(const char *cmdline
)
1498 r
= usb_device_add(cmdline
);
1500 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1505 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1507 const char *devname
= qdict_get_str(qdict
, "devname");
1508 if (usb_device_add(devname
) < 0) {
1509 error_report("could not add USB device '%s'", devname
);
1513 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1515 const char *devname
= qdict_get_str(qdict
, "devname");
1516 if (usb_device_del(devname
) < 0) {
1517 error_report("could not delete USB device '%s'", devname
);
1521 /***********************************************************/
1522 /* PCMCIA/Cardbus */
1524 static struct pcmcia_socket_entry_s
{
1525 PCMCIASocket
*socket
;
1526 struct pcmcia_socket_entry_s
*next
;
1527 } *pcmcia_sockets
= 0;
1529 void pcmcia_socket_register(PCMCIASocket
*socket
)
1531 struct pcmcia_socket_entry_s
*entry
;
1533 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1534 entry
->socket
= socket
;
1535 entry
->next
= pcmcia_sockets
;
1536 pcmcia_sockets
= entry
;
1539 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1541 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1543 ptr
= &pcmcia_sockets
;
1544 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1545 if (entry
->socket
== socket
) {
1551 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1553 struct pcmcia_socket_entry_s
*iter
;
1555 if (!pcmcia_sockets
)
1556 monitor_printf(mon
, "No PCMCIA sockets\n");
1558 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1559 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1560 iter
->socket
->attached
? iter
->socket
->card_string
:
1564 /***********************************************************/
1565 /* machine registration */
1567 static QEMUMachine
*first_machine
= NULL
;
1568 QEMUMachine
*current_machine
= NULL
;
1570 int qemu_register_machine(QEMUMachine
*m
)
1573 pm
= &first_machine
;
1581 static QEMUMachine
*find_machine(const char *name
)
1585 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1586 if (!strcmp(m
->name
, name
))
1588 if (m
->alias
&& !strcmp(m
->alias
, name
))
1594 QEMUMachine
*find_default_machine(void)
1598 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1599 if (m
->is_default
) {
1606 MachineInfoList
*qmp_query_machines(Error
**errp
)
1608 MachineInfoList
*mach_list
= NULL
;
1611 for (m
= first_machine
; m
; m
= m
->next
) {
1612 MachineInfoList
*entry
;
1615 info
= g_malloc0(sizeof(*info
));
1616 if (m
->is_default
) {
1617 info
->has_is_default
= true;
1618 info
->is_default
= true;
1622 info
->has_alias
= true;
1623 info
->alias
= g_strdup(m
->alias
);
1626 info
->name
= g_strdup(m
->name
);
1627 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1629 entry
= g_malloc0(sizeof(*entry
));
1630 entry
->value
= info
;
1631 entry
->next
= mach_list
;
1638 /***********************************************************/
1639 /* main execution loop */
1641 struct vm_change_state_entry
{
1642 VMChangeStateHandler
*cb
;
1644 QLIST_ENTRY (vm_change_state_entry
) entries
;
1647 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1649 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1652 VMChangeStateEntry
*e
;
1654 e
= g_malloc0(sizeof (*e
));
1658 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1662 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1664 QLIST_REMOVE (e
, entries
);
1668 void vm_state_notify(int running
, RunState state
)
1670 VMChangeStateEntry
*e
;
1672 trace_vm_state_notify(running
, state
);
1674 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1675 e
->cb(e
->opaque
, running
, state
);
1681 if (!runstate_is_running()) {
1683 runstate_set(RUN_STATE_RUNNING
);
1684 vm_state_notify(1, RUN_STATE_RUNNING
);
1686 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1690 /* reset/shutdown handler */
1692 typedef struct QEMUResetEntry
{
1693 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1694 QEMUResetHandler
*func
;
1698 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1699 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1700 static int reset_requested
;
1701 static int shutdown_requested
, shutdown_signal
= -1;
1702 static pid_t shutdown_pid
;
1703 static int powerdown_requested
;
1704 static int debug_requested
;
1705 static int suspend_requested
;
1706 static int wakeup_requested
;
1707 static NotifierList powerdown_notifiers
=
1708 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1709 static NotifierList suspend_notifiers
=
1710 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1711 static NotifierList wakeup_notifiers
=
1712 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1713 static uint32_t wakeup_reason_mask
= ~0;
1714 static RunState vmstop_requested
= RUN_STATE_MAX
;
1716 int qemu_shutdown_requested_get(void)
1718 return shutdown_requested
;
1721 int qemu_reset_requested_get(void)
1723 return reset_requested
;
1726 static int qemu_shutdown_requested(void)
1728 int r
= shutdown_requested
;
1729 shutdown_requested
= 0;
1733 static void qemu_kill_report(void)
1735 if (!qtest_enabled() && shutdown_signal
!= -1) {
1736 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1737 if (shutdown_pid
== 0) {
1738 /* This happens for eg ^C at the terminal, so it's worth
1739 * avoiding printing an odd message in that case.
1741 fputc('\n', stderr
);
1743 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1745 shutdown_signal
= -1;
1749 static int qemu_reset_requested(void)
1751 int r
= reset_requested
;
1752 reset_requested
= 0;
1756 static int qemu_suspend_requested(void)
1758 int r
= suspend_requested
;
1759 suspend_requested
= 0;
1763 static int qemu_wakeup_requested(void)
1765 int r
= wakeup_requested
;
1766 wakeup_requested
= 0;
1770 static int qemu_powerdown_requested(void)
1772 int r
= powerdown_requested
;
1773 powerdown_requested
= 0;
1777 static int qemu_debug_requested(void)
1779 int r
= debug_requested
;
1780 debug_requested
= 0;
1784 /* We use RUN_STATE_MAX but any invalid value will do */
1785 static bool qemu_vmstop_requested(RunState
*r
)
1787 if (vmstop_requested
< RUN_STATE_MAX
) {
1788 *r
= vmstop_requested
;
1789 vmstop_requested
= RUN_STATE_MAX
;
1796 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1798 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1801 re
->opaque
= opaque
;
1802 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1805 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1809 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1810 if (re
->func
== func
&& re
->opaque
== opaque
) {
1811 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1818 void qemu_devices_reset(void)
1820 QEMUResetEntry
*re
, *nre
;
1822 /* reset all devices */
1823 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1824 re
->func(re
->opaque
);
1828 void qemu_system_reset(bool report
)
1830 if (current_machine
&& current_machine
->reset
) {
1831 current_machine
->reset();
1833 qemu_devices_reset();
1836 monitor_protocol_event(QEVENT_RESET
, NULL
);
1838 cpu_synchronize_all_post_reset();
1841 void qemu_system_reset_request(void)
1844 shutdown_requested
= 1;
1846 reset_requested
= 1;
1849 qemu_notify_event();
1852 static void qemu_system_suspend(void)
1855 notifier_list_notify(&suspend_notifiers
, NULL
);
1856 runstate_set(RUN_STATE_SUSPENDED
);
1857 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1860 void qemu_system_suspend_request(void)
1862 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1865 suspend_requested
= 1;
1867 qemu_notify_event();
1870 void qemu_register_suspend_notifier(Notifier
*notifier
)
1872 notifier_list_add(&suspend_notifiers
, notifier
);
1875 void qemu_system_wakeup_request(WakeupReason reason
)
1877 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1880 if (!(wakeup_reason_mask
& (1 << reason
))) {
1883 runstate_set(RUN_STATE_RUNNING
);
1884 notifier_list_notify(&wakeup_notifiers
, &reason
);
1885 wakeup_requested
= 1;
1886 qemu_notify_event();
1889 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1892 wakeup_reason_mask
|= (1 << reason
);
1894 wakeup_reason_mask
&= ~(1 << reason
);
1898 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1900 notifier_list_add(&wakeup_notifiers
, notifier
);
1903 void qemu_system_killed(int signal
, pid_t pid
)
1905 shutdown_signal
= signal
;
1908 qemu_system_shutdown_request();
1911 void qemu_system_shutdown_request(void)
1913 shutdown_requested
= 1;
1914 qemu_notify_event();
1917 static void qemu_system_powerdown(void)
1919 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1920 notifier_list_notify(&powerdown_notifiers
, NULL
);
1923 void qemu_system_powerdown_request(void)
1925 powerdown_requested
= 1;
1926 qemu_notify_event();
1929 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1931 notifier_list_add(&powerdown_notifiers
, notifier
);
1934 void qemu_system_debug_request(void)
1936 debug_requested
= 1;
1937 qemu_notify_event();
1940 void qemu_system_vmstop_request(RunState state
)
1942 vmstop_requested
= state
;
1943 qemu_notify_event();
1946 static bool main_loop_should_exit(void)
1949 if (qemu_debug_requested()) {
1950 vm_stop(RUN_STATE_DEBUG
);
1952 if (qemu_suspend_requested()) {
1953 qemu_system_suspend();
1955 if (qemu_shutdown_requested()) {
1957 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1959 vm_stop(RUN_STATE_SHUTDOWN
);
1964 if (qemu_reset_requested()) {
1966 cpu_synchronize_all_states();
1967 qemu_system_reset(VMRESET_REPORT
);
1969 if (runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
1970 runstate_check(RUN_STATE_SHUTDOWN
)) {
1971 runstate_set(RUN_STATE_PAUSED
);
1974 if (qemu_wakeup_requested()) {
1976 cpu_synchronize_all_states();
1977 qemu_system_reset(VMRESET_SILENT
);
1979 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1981 if (qemu_powerdown_requested()) {
1982 qemu_system_powerdown();
1984 if (qemu_vmstop_requested(&r
)) {
1990 static void main_loop(void)
1994 #ifdef CONFIG_PROFILER
1998 nonblocking
= !kvm_enabled() && last_io
> 0;
1999 #ifdef CONFIG_PROFILER
2000 ti
= profile_getclock();
2002 last_io
= main_loop_wait(nonblocking
);
2003 #ifdef CONFIG_PROFILER
2004 dev_time
+= profile_getclock() - ti
;
2006 } while (!main_loop_should_exit());
2009 static void version(void)
2011 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2014 static void help(int exitcode
)
2017 printf("usage: %s [options] [disk_image]\n\n"
2018 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2019 error_get_progname());
2021 #define QEMU_OPTIONS_GENERATE_HELP
2022 #include "qemu-options-wrapper.h"
2024 printf("\nDuring emulation, the following keys are useful:\n"
2025 "ctrl-alt-f toggle full screen\n"
2026 "ctrl-alt-n switch to virtual console 'n'\n"
2027 "ctrl-alt toggle mouse and keyboard grab\n"
2029 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2034 #define HAS_ARG 0x0001
2036 typedef struct QEMUOption
{
2043 static const QEMUOption qemu_options
[] = {
2044 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2045 #define QEMU_OPTIONS_GENERATE_OPTIONS
2046 #include "qemu-options-wrapper.h"
2050 static bool vga_available(void)
2052 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2055 static bool cirrus_vga_available(void)
2057 return object_class_by_name("cirrus-vga")
2058 || object_class_by_name("isa-cirrus-vga");
2061 static bool vmware_vga_available(void)
2063 return object_class_by_name("vmware-svga");
2066 static bool qxl_vga_available(void)
2068 return object_class_by_name("qxl-vga");
2071 static void select_vgahw (const char *p
)
2075 vga_interface_type
= VGA_NONE
;
2076 if (strstart(p
, "std", &opts
)) {
2077 if (vga_available()) {
2078 vga_interface_type
= VGA_STD
;
2080 fprintf(stderr
, "Error: standard VGA not available\n");
2083 } else if (strstart(p
, "cirrus", &opts
)) {
2084 if (cirrus_vga_available()) {
2085 vga_interface_type
= VGA_CIRRUS
;
2087 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2090 } else if (strstart(p
, "vmware", &opts
)) {
2091 if (vmware_vga_available()) {
2092 vga_interface_type
= VGA_VMWARE
;
2094 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2097 } else if (strstart(p
, "xenfb", &opts
)) {
2098 vga_interface_type
= VGA_XENFB
;
2099 } else if (strstart(p
, "qxl", &opts
)) {
2100 if (qxl_vga_available()) {
2101 vga_interface_type
= VGA_QXL
;
2103 fprintf(stderr
, "Error: QXL VGA not available\n");
2106 } else if (!strstart(p
, "none", &opts
)) {
2108 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2112 const char *nextopt
;
2114 if (strstart(opts
, ",retrace=", &nextopt
)) {
2116 if (strstart(opts
, "dumb", &nextopt
))
2117 vga_retrace_method
= VGA_RETRACE_DUMB
;
2118 else if (strstart(opts
, "precise", &nextopt
))
2119 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2120 else goto invalid_vga
;
2121 } else goto invalid_vga
;
2126 static DisplayType
select_display(const char *p
)
2129 DisplayType display
= DT_DEFAULT
;
2131 if (strstart(p
, "sdl", &opts
)) {
2135 const char *nextopt
;
2137 if (strstart(opts
, ",frame=", &nextopt
)) {
2139 if (strstart(opts
, "on", &nextopt
)) {
2141 } else if (strstart(opts
, "off", &nextopt
)) {
2144 goto invalid_sdl_args
;
2146 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2148 if (strstart(opts
, "on", &nextopt
)) {
2150 } else if (strstart(opts
, "off", &nextopt
)) {
2153 goto invalid_sdl_args
;
2155 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2157 if (strstart(opts
, "on", &nextopt
)) {
2159 } else if (strstart(opts
, "off", &nextopt
)) {
2162 goto invalid_sdl_args
;
2164 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2166 if (strstart(opts
, "on", &nextopt
)) {
2168 } else if (strstart(opts
, "off", &nextopt
)) {
2171 goto invalid_sdl_args
;
2175 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2181 fprintf(stderr
, "SDL support is disabled\n");
2184 } else if (strstart(p
, "vnc", &opts
)) {
2189 const char *nextopt
;
2191 if (strstart(opts
, "=", &nextopt
)) {
2192 vnc_display
= nextopt
;
2196 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2200 fprintf(stderr
, "VNC support is disabled\n");
2203 } else if (strstart(p
, "curses", &opts
)) {
2204 #ifdef CONFIG_CURSES
2205 display
= DT_CURSES
;
2207 fprintf(stderr
, "Curses support is disabled\n");
2210 } else if (strstart(p
, "gtk", &opts
)) {
2214 fprintf(stderr
, "GTK support is disabled\n");
2217 } else if (strstart(p
, "none", &opts
)) {
2220 fprintf(stderr
, "Unknown display type: %s\n", p
);
2227 static int balloon_parse(const char *arg
)
2231 if (strcmp(arg
, "none") == 0) {
2235 if (!strncmp(arg
, "virtio", 6)) {
2236 if (arg
[6] == ',') {
2237 /* have params -> parse them */
2238 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2242 /* create empty opts */
2243 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2245 qemu_opt_set(opts
, "driver", "virtio-balloon");
2252 char *qemu_find_file(int type
, const char *name
)
2258 /* Try the name as a straight path first */
2259 if (access(name
, R_OK
) == 0) {
2260 trace_load_file(name
, name
);
2261 return g_strdup(name
);
2265 case QEMU_FILE_TYPE_BIOS
:
2268 case QEMU_FILE_TYPE_KEYMAP
:
2269 subdir
= "keymaps/";
2275 for (i
= 0; i
< data_dir_idx
; i
++) {
2276 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2277 if (access(buf
, R_OK
) == 0) {
2278 trace_load_file(name
, buf
);
2286 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2288 return qdev_device_help(opts
);
2291 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2295 dev
= qdev_device_add(opts
);
2298 object_unref(OBJECT(dev
));
2302 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2304 Error
*local_err
= NULL
;
2306 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2307 if (error_is_set(&local_err
)) {
2308 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2309 error_free(local_err
);
2315 #ifdef CONFIG_VIRTFS
2316 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2319 ret
= qemu_fsdev_add(opts
);
2325 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2327 CharDriverState
*chr
;
2328 const char *chardev
;
2332 mode
= qemu_opt_get(opts
, "mode");
2336 if (strcmp(mode
, "readline") == 0) {
2337 flags
= MONITOR_USE_READLINE
;
2338 } else if (strcmp(mode
, "control") == 0) {
2339 flags
= MONITOR_USE_CONTROL
;
2341 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2345 if (qemu_opt_get_bool(opts
, "pretty", 0))
2346 flags
|= MONITOR_USE_PRETTY
;
2348 if (qemu_opt_get_bool(opts
, "default", 0))
2349 flags
|= MONITOR_IS_DEFAULT
;
2351 chardev
= qemu_opt_get(opts
, "chardev");
2352 chr
= qemu_chr_find(chardev
);
2354 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2358 qemu_chr_fe_claim_no_fail(chr
);
2359 monitor_init(chr
, flags
);
2363 static void monitor_parse(const char *optarg
, const char *mode
)
2365 static int monitor_device_index
= 0;
2371 if (strstart(optarg
, "chardev:", &p
)) {
2372 snprintf(label
, sizeof(label
), "%s", p
);
2374 snprintf(label
, sizeof(label
), "compat_monitor%d",
2375 monitor_device_index
);
2376 if (monitor_device_index
== 0) {
2379 opts
= qemu_chr_parse_compat(label
, optarg
);
2381 fprintf(stderr
, "parse error: %s\n", optarg
);
2386 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2388 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2391 qemu_opt_set(opts
, "mode", mode
);
2392 qemu_opt_set(opts
, "chardev", label
);
2394 qemu_opt_set(opts
, "default", "on");
2395 monitor_device_index
++;
2398 struct device_config
{
2400 DEV_USB
, /* -usbdevice */
2402 DEV_SERIAL
, /* -serial */
2403 DEV_PARALLEL
, /* -parallel */
2404 DEV_VIRTCON
, /* -virtioconsole */
2405 DEV_DEBUGCON
, /* -debugcon */
2406 DEV_GDB
, /* -gdb, -s */
2407 DEV_SCLP
, /* s390 sclp */
2409 const char *cmdline
;
2411 QTAILQ_ENTRY(device_config
) next
;
2414 static QTAILQ_HEAD(, device_config
) device_configs
=
2415 QTAILQ_HEAD_INITIALIZER(device_configs
);
2417 static void add_device_config(int type
, const char *cmdline
)
2419 struct device_config
*conf
;
2421 conf
= g_malloc0(sizeof(*conf
));
2423 conf
->cmdline
= cmdline
;
2424 loc_save(&conf
->loc
);
2425 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2428 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2430 struct device_config
*conf
;
2433 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2434 if (conf
->type
!= type
)
2436 loc_push_restore(&conf
->loc
);
2437 rc
= func(conf
->cmdline
);
2438 loc_pop(&conf
->loc
);
2445 static int serial_parse(const char *devname
)
2447 static int index
= 0;
2450 if (strcmp(devname
, "none") == 0)
2452 if (index
== MAX_SERIAL_PORTS
) {
2453 fprintf(stderr
, "qemu: too many serial ports\n");
2456 snprintf(label
, sizeof(label
), "serial%d", index
);
2457 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2458 if (!serial_hds
[index
]) {
2459 fprintf(stderr
, "qemu: could not connect serial device"
2460 " to character backend '%s'\n", devname
);
2467 static int parallel_parse(const char *devname
)
2469 static int index
= 0;
2472 if (strcmp(devname
, "none") == 0)
2474 if (index
== MAX_PARALLEL_PORTS
) {
2475 fprintf(stderr
, "qemu: too many parallel ports\n");
2478 snprintf(label
, sizeof(label
), "parallel%d", index
);
2479 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2480 if (!parallel_hds
[index
]) {
2481 fprintf(stderr
, "qemu: could not connect parallel device"
2482 " to character backend '%s'\n", devname
);
2489 static int virtcon_parse(const char *devname
)
2491 QemuOptsList
*device
= qemu_find_opts("device");
2492 static int index
= 0;
2494 QemuOpts
*bus_opts
, *dev_opts
;
2496 if (strcmp(devname
, "none") == 0)
2498 if (index
== MAX_VIRTIO_CONSOLES
) {
2499 fprintf(stderr
, "qemu: too many virtio consoles\n");
2503 bus_opts
= qemu_opts_create_nofail(device
);
2504 if (arch_type
== QEMU_ARCH_S390X
) {
2505 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2507 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2510 dev_opts
= qemu_opts_create_nofail(device
);
2511 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2513 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2514 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2515 if (!virtcon_hds
[index
]) {
2516 fprintf(stderr
, "qemu: could not connect virtio console"
2517 " to character backend '%s'\n", devname
);
2520 qemu_opt_set(dev_opts
, "chardev", label
);
2526 static int sclp_parse(const char *devname
)
2528 QemuOptsList
*device
= qemu_find_opts("device");
2529 static int index
= 0;
2533 if (strcmp(devname
, "none") == 0) {
2536 if (index
== MAX_SCLP_CONSOLES
) {
2537 fprintf(stderr
, "qemu: too many sclp consoles\n");
2541 assert(arch_type
== QEMU_ARCH_S390X
);
2543 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2544 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2546 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2547 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2548 if (!sclp_hds
[index
]) {
2549 fprintf(stderr
, "qemu: could not connect sclp console"
2550 " to character backend '%s'\n", devname
);
2553 qemu_opt_set(dev_opts
, "chardev", label
);
2559 static int debugcon_parse(const char *devname
)
2563 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2566 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2568 fprintf(stderr
, "qemu: already have a debugcon device\n");
2571 qemu_opt_set(opts
, "driver", "isa-debugcon");
2572 qemu_opt_set(opts
, "chardev", "debugcon");
2576 static QEMUMachine
*machine_parse(const char *name
)
2578 QEMUMachine
*m
, *machine
= NULL
;
2581 machine
= find_machine(name
);
2586 printf("Supported machines are:\n");
2587 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2589 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2591 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2592 m
->is_default
? " (default)" : "");
2594 exit(!name
|| !is_help_option(name
));
2597 static int tcg_init(void)
2599 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2604 const char *opt_name
;
2606 int (*available
)(void);
2610 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2611 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2612 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2613 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2616 static int configure_accelerator(void)
2618 const char *p
= NULL
;
2621 bool accel_initialised
= false;
2622 bool init_failed
= false;
2624 QemuOptsList
*list
= qemu_find_opts("machine");
2625 if (!QTAILQ_EMPTY(&list
->head
)) {
2626 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2630 /* Use the default "accelerator", tcg */
2634 while (!accel_initialised
&& *p
!= '\0') {
2638 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2639 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2640 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2641 if (!accel_list
[i
].available()) {
2642 printf("%s not supported for this target\n",
2643 accel_list
[i
].name
);
2646 *(accel_list
[i
].allowed
) = true;
2647 ret
= accel_list
[i
].init();
2650 fprintf(stderr
, "failed to initialize %s: %s\n",
2653 *(accel_list
[i
].allowed
) = false;
2655 accel_initialised
= true;
2660 if (i
== ARRAY_SIZE(accel_list
)) {
2661 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2665 if (!accel_initialised
) {
2667 fprintf(stderr
, "No accelerator found!\n");
2673 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2676 return !accel_initialised
;
2679 void qemu_add_exit_notifier(Notifier
*notify
)
2681 notifier_list_add(&exit_notifiers
, notify
);
2684 void qemu_remove_exit_notifier(Notifier
*notify
)
2686 notifier_remove(notify
);
2689 static void qemu_run_exit_notifiers(void)
2691 notifier_list_notify(&exit_notifiers
, NULL
);
2694 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2696 notifier_list_add(&machine_init_done_notifiers
, notify
);
2699 static void qemu_run_machine_init_done_notifiers(void)
2701 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2704 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2705 const char **poptarg
, int *poptind
)
2707 const QEMUOption
*popt
;
2708 int optind
= *poptind
;
2709 char *r
= argv
[optind
];
2712 loc_set_cmdline(argv
, optind
, 1);
2714 /* Treat --foo the same as -foo. */
2717 popt
= qemu_options
;
2720 error_report("invalid option");
2723 if (!strcmp(popt
->name
, r
+ 1))
2727 if (popt
->flags
& HAS_ARG
) {
2728 if (optind
>= argc
) {
2729 error_report("requires an argument");
2732 optarg
= argv
[optind
++];
2733 loc_set_cmdline(argv
, optind
- 2, 2);
2744 static gpointer
malloc_and_trace(gsize n_bytes
)
2746 void *ptr
= malloc(n_bytes
);
2747 trace_g_malloc(n_bytes
, ptr
);
2751 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2753 void *ptr
= realloc(mem
, n_bytes
);
2754 trace_g_realloc(mem
, n_bytes
, ptr
);
2758 static void free_and_trace(gpointer mem
)
2764 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2766 Object
*obj
= OBJECT(opaque
);
2767 StringInputVisitor
*siv
;
2768 Error
*local_err
= NULL
;
2770 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2774 siv
= string_input_visitor_new(value
);
2775 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2776 string_input_visitor_cleanup(siv
);
2779 qerror_report_err(local_err
);
2780 error_free(local_err
);
2787 static int object_create(QemuOpts
*opts
, void *opaque
)
2789 const char *type
= qemu_opt_get(opts
, "qom-type");
2790 const char *id
= qemu_opts_id(opts
);
2793 g_assert(type
!= NULL
);
2796 qerror_report(QERR_MISSING_PARAMETER
, "id");
2800 obj
= object_new(type
);
2801 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2805 object_property_add_child(container_get(object_get_root(), "/objects"),
2811 int main(int argc
, char **argv
, char **envp
)
2814 int snapshot
, linux_boot
;
2815 const char *icount_option
= NULL
;
2816 const char *initrd_filename
;
2817 const char *kernel_filename
, *kernel_cmdline
;
2818 char boot_devices
[33] = "";
2820 int cyls
, heads
, secs
, translation
;
2821 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2822 QemuOptsList
*olist
;
2825 const char *loadvm
= NULL
;
2826 QEMUMachine
*machine
;
2827 const char *cpu_model
;
2828 const char *vga_model
= "none";
2829 const char *pid_file
= NULL
;
2830 const char *incoming
= NULL
;
2832 int show_vnc_port
= 0;
2834 bool defconfig
= true;
2835 bool userconfig
= true;
2836 const char *log_mask
= NULL
;
2837 const char *log_file
= NULL
;
2838 GMemVTable mem_trace
= {
2839 .malloc
= malloc_and_trace
,
2840 .realloc
= realloc_and_trace
,
2841 .free
= free_and_trace
,
2843 const char *trace_events
= NULL
;
2844 const char *trace_file
= NULL
;
2846 atexit(qemu_run_exit_notifiers
);
2847 error_set_progname(argv
[0]);
2849 g_mem_set_vtable(&mem_trace
);
2850 if (!g_thread_supported()) {
2851 #if !GLIB_CHECK_VERSION(2, 31, 0)
2852 g_thread_init(NULL
);
2854 fprintf(stderr
, "glib threading failed to initialize.\n");
2859 module_call_init(MODULE_INIT_QOM
);
2861 qemu_add_opts(&qemu_drive_opts
);
2862 qemu_add_opts(&qemu_chardev_opts
);
2863 qemu_add_opts(&qemu_device_opts
);
2864 qemu_add_opts(&qemu_netdev_opts
);
2865 qemu_add_opts(&qemu_net_opts
);
2866 qemu_add_opts(&qemu_rtc_opts
);
2867 qemu_add_opts(&qemu_global_opts
);
2868 qemu_add_opts(&qemu_mon_opts
);
2869 qemu_add_opts(&qemu_trace_opts
);
2870 qemu_add_opts(&qemu_option_rom_opts
);
2871 qemu_add_opts(&qemu_machine_opts
);
2872 qemu_add_opts(&qemu_boot_opts
);
2873 qemu_add_opts(&qemu_sandbox_opts
);
2874 qemu_add_opts(&qemu_add_fd_opts
);
2875 qemu_add_opts(&qemu_object_opts
);
2876 qemu_add_opts(&qemu_tpmdev_opts
);
2877 qemu_add_opts(&qemu_realtime_opts
);
2882 rtc_clock
= host_clock
;
2884 qemu_cache_utils_init(envp
);
2886 QLIST_INIT (&vm_change_state_head
);
2887 os_setup_early_signal_handling();
2889 module_call_init(MODULE_INIT_MACHINE
);
2890 machine
= find_default_machine();
2894 cyls
= heads
= secs
= 0;
2895 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2897 for (i
= 0; i
< MAX_NODES
; i
++) {
2899 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2905 bdrv_init_with_whitelist();
2909 /* first pass of option parsing */
2911 while (optind
< argc
) {
2912 if (argv
[optind
][0] != '-') {
2917 const QEMUOption
*popt
;
2919 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2920 switch (popt
->index
) {
2921 case QEMU_OPTION_nodefconfig
:
2924 case QEMU_OPTION_nouserconfig
:
2933 ret
= qemu_read_default_config_files(userconfig
);
2939 /* second pass of option parsing */
2944 if (argv
[optind
][0] != '-') {
2945 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2947 const QEMUOption
*popt
;
2949 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2950 if (!(popt
->arch_mask
& arch_type
)) {
2951 printf("Option %s not supported for this target\n", popt
->name
);
2954 switch(popt
->index
) {
2956 machine
= machine_parse(optarg
);
2958 case QEMU_OPTION_no_kvm_irqchip
: {
2959 olist
= qemu_find_opts("machine");
2960 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2963 case QEMU_OPTION_cpu
:
2964 /* hw initialization will check this */
2967 case QEMU_OPTION_hda
:
2971 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2973 snprintf(buf
, sizeof(buf
),
2974 "%s,cyls=%d,heads=%d,secs=%d%s",
2975 HD_OPTS
, cyls
, heads
, secs
,
2976 translation
== BIOS_ATA_TRANSLATION_LBA
?
2978 translation
== BIOS_ATA_TRANSLATION_NONE
?
2979 ",trans=none" : "");
2980 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2983 case QEMU_OPTION_hdb
:
2984 case QEMU_OPTION_hdc
:
2985 case QEMU_OPTION_hdd
:
2986 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2989 case QEMU_OPTION_drive
:
2990 if (drive_def(optarg
) == NULL
) {
2994 case QEMU_OPTION_set
:
2995 if (qemu_set_option(optarg
) != 0)
2998 case QEMU_OPTION_global
:
2999 if (qemu_global_option(optarg
) != 0)
3002 case QEMU_OPTION_mtdblock
:
3003 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3005 case QEMU_OPTION_sd
:
3006 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3008 case QEMU_OPTION_pflash
:
3009 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3011 case QEMU_OPTION_snapshot
:
3014 case QEMU_OPTION_hdachs
:
3018 cyls
= strtol(p
, (char **)&p
, 0);
3019 if (cyls
< 1 || cyls
> 16383)
3024 heads
= strtol(p
, (char **)&p
, 0);
3025 if (heads
< 1 || heads
> 16)
3030 secs
= strtol(p
, (char **)&p
, 0);
3031 if (secs
< 1 || secs
> 63)
3035 if (!strcmp(p
, "none"))
3036 translation
= BIOS_ATA_TRANSLATION_NONE
;
3037 else if (!strcmp(p
, "lba"))
3038 translation
= BIOS_ATA_TRANSLATION_LBA
;
3039 else if (!strcmp(p
, "auto"))
3040 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3043 } else if (*p
!= '\0') {
3045 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3048 if (hda_opts
!= NULL
) {
3050 snprintf(num
, sizeof(num
), "%d", cyls
);
3051 qemu_opt_set(hda_opts
, "cyls", num
);
3052 snprintf(num
, sizeof(num
), "%d", heads
);
3053 qemu_opt_set(hda_opts
, "heads", num
);
3054 snprintf(num
, sizeof(num
), "%d", secs
);
3055 qemu_opt_set(hda_opts
, "secs", num
);
3056 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3057 qemu_opt_set(hda_opts
, "trans", "lba");
3058 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3059 qemu_opt_set(hda_opts
, "trans", "none");
3063 case QEMU_OPTION_numa
:
3066 case QEMU_OPTION_display
:
3067 display_type
= select_display(optarg
);
3069 case QEMU_OPTION_nographic
:
3070 display_type
= DT_NOGRAPHIC
;
3072 case QEMU_OPTION_curses
:
3073 #ifdef CONFIG_CURSES
3074 display_type
= DT_CURSES
;
3076 fprintf(stderr
, "Curses support is disabled\n");
3080 case QEMU_OPTION_portrait
:
3081 graphic_rotate
= 90;
3083 case QEMU_OPTION_rotate
:
3084 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3085 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3086 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3088 "qemu: only 90, 180, 270 deg rotation is available\n");
3092 case QEMU_OPTION_kernel
:
3093 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3095 case QEMU_OPTION_initrd
:
3096 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3098 case QEMU_OPTION_append
:
3099 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3101 case QEMU_OPTION_dtb
:
3102 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3104 case QEMU_OPTION_cdrom
:
3105 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3107 case QEMU_OPTION_boot
:
3109 static const char * const params
[] = {
3110 "order", "once", "menu",
3111 "splash", "splash-time",
3112 "reboot-timeout", "strict", NULL
3114 char buf
[sizeof(boot_devices
)];
3115 char *standard_boot_devices
;
3118 if (!strchr(optarg
, '=')) {
3120 pstrcpy(buf
, sizeof(buf
), optarg
);
3121 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3123 "qemu: unknown boot parameter '%s' in '%s'\n",
3129 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3130 validate_bootdevices(buf
);
3131 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3134 if (get_param_value(buf
, sizeof(buf
),
3136 validate_bootdevices(buf
);
3137 standard_boot_devices
= g_strdup(boot_devices
);
3138 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3139 qemu_register_reset(restore_boot_devices
,
3140 standard_boot_devices
);
3142 if (get_param_value(buf
, sizeof(buf
),
3144 if (!strcmp(buf
, "on")) {
3146 } else if (!strcmp(buf
, "off")) {
3150 "qemu: invalid option value '%s'\n",
3155 if (get_param_value(buf
, sizeof(buf
),
3156 "strict", optarg
)) {
3157 if (!strcmp(buf
, "on")) {
3159 } else if (!strcmp(buf
, "off")) {
3160 boot_strict
= false;
3163 "qemu: invalid option value '%s'\n",
3168 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3175 case QEMU_OPTION_fda
:
3176 case QEMU_OPTION_fdb
:
3177 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3180 case QEMU_OPTION_no_fd_bootchk
:
3183 case QEMU_OPTION_netdev
:
3184 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3188 case QEMU_OPTION_net
:
3189 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3193 #ifdef CONFIG_LIBISCSI
3194 case QEMU_OPTION_iscsi
:
3195 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3202 case QEMU_OPTION_tftp
:
3203 legacy_tftp_prefix
= optarg
;
3205 case QEMU_OPTION_bootp
:
3206 legacy_bootp_filename
= optarg
;
3208 case QEMU_OPTION_redir
:
3209 if (net_slirp_redir(optarg
) < 0)
3213 case QEMU_OPTION_bt
:
3214 add_device_config(DEV_BT
, optarg
);
3216 case QEMU_OPTION_audio_help
:
3217 if (!(audio_available())) {
3218 printf("Option %s not supported for this target\n", popt
->name
);
3224 case QEMU_OPTION_soundhw
:
3225 if (!(audio_available())) {
3226 printf("Option %s not supported for this target\n", popt
->name
);
3229 select_soundhw (optarg
);
3234 case QEMU_OPTION_version
:
3238 case QEMU_OPTION_m
: {
3243 value
= strtosz(optarg
, &end
);
3244 if (value
< 0 || *end
) {
3245 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3248 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3250 if (ram_size
!= sz
) {
3251 fprintf(stderr
, "qemu: ram size too large\n");
3257 case QEMU_OPTION_tpmdev
:
3258 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3263 case QEMU_OPTION_mempath
:
3267 case QEMU_OPTION_mem_prealloc
:
3278 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3280 case QEMU_OPTION_gdb
:
3281 add_device_config(DEV_GDB
, optarg
);
3284 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3285 data_dir
[data_dir_idx
++] = optarg
;
3288 case QEMU_OPTION_bios
:
3291 case QEMU_OPTION_singlestep
:
3298 keyboard_layout
= optarg
;
3300 case QEMU_OPTION_localtime
:
3303 case QEMU_OPTION_vga
:
3312 w
= strtol(p
, (char **)&p
, 10);
3315 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3321 h
= strtol(p
, (char **)&p
, 10);
3326 depth
= strtol(p
, (char **)&p
, 10);
3327 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3328 depth
!= 24 && depth
!= 32)
3330 } else if (*p
== '\0') {
3331 depth
= graphic_depth
;
3338 graphic_depth
= depth
;
3341 case QEMU_OPTION_echr
:
3344 term_escape_char
= strtol(optarg
, &r
, 0);
3346 printf("Bad argument to echr\n");
3349 case QEMU_OPTION_monitor
:
3350 monitor_parse(optarg
, "readline");
3351 default_monitor
= 0;
3353 case QEMU_OPTION_qmp
:
3354 monitor_parse(optarg
, "control");
3355 default_monitor
= 0;
3357 case QEMU_OPTION_mon
:
3358 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3362 default_monitor
= 0;
3364 case QEMU_OPTION_chardev
:
3365 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3370 case QEMU_OPTION_fsdev
:
3371 olist
= qemu_find_opts("fsdev");
3373 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3376 opts
= qemu_opts_parse(olist
, optarg
, 1);
3381 case QEMU_OPTION_virtfs
: {
3384 const char *writeout
, *sock_fd
, *socket
;
3386 olist
= qemu_find_opts("virtfs");
3388 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3391 opts
= qemu_opts_parse(olist
, optarg
, 1);
3396 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3397 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3398 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3401 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3402 qemu_opt_get(opts
, "mount_tag"),
3405 fprintf(stderr
, "duplicate fsdev id: %s\n",
3406 qemu_opt_get(opts
, "mount_tag"));
3410 writeout
= qemu_opt_get(opts
, "writeout");
3412 #ifdef CONFIG_SYNC_FILE_RANGE
3413 qemu_opt_set(fsdev
, "writeout", writeout
);
3415 fprintf(stderr
, "writeout=immediate not supported on "
3420 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3421 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3422 qemu_opt_set(fsdev
, "security_model",
3423 qemu_opt_get(opts
, "security_model"));
3424 socket
= qemu_opt_get(opts
, "socket");
3426 qemu_opt_set(fsdev
, "socket", socket
);
3428 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3430 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3433 qemu_opt_set_bool(fsdev
, "readonly",
3434 qemu_opt_get_bool(opts
, "readonly", 0));
3435 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3436 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3437 qemu_opt_set(device
, "fsdev",
3438 qemu_opt_get(opts
, "mount_tag"));
3439 qemu_opt_set(device
, "mount_tag",
3440 qemu_opt_get(opts
, "mount_tag"));
3443 case QEMU_OPTION_virtfs_synth
: {
3447 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3450 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3453 qemu_opt_set(fsdev
, "fsdriver", "synth");
3455 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3456 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3457 qemu_opt_set(device
, "fsdev", "v_synth");
3458 qemu_opt_set(device
, "mount_tag", "v_synth");
3461 case QEMU_OPTION_serial
:
3462 add_device_config(DEV_SERIAL
, optarg
);
3464 if (strncmp(optarg
, "mon:", 4) == 0) {
3465 default_monitor
= 0;
3468 case QEMU_OPTION_watchdog
:
3471 "qemu: only one watchdog option may be given\n");
3476 case QEMU_OPTION_watchdog_action
:
3477 if (select_watchdog_action(optarg
) == -1) {
3478 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3482 case QEMU_OPTION_virtiocon
:
3483 add_device_config(DEV_VIRTCON
, optarg
);
3484 default_virtcon
= 0;
3485 if (strncmp(optarg
, "mon:", 4) == 0) {
3486 default_monitor
= 0;
3489 case QEMU_OPTION_parallel
:
3490 add_device_config(DEV_PARALLEL
, optarg
);
3491 default_parallel
= 0;
3492 if (strncmp(optarg
, "mon:", 4) == 0) {
3493 default_monitor
= 0;
3496 case QEMU_OPTION_debugcon
:
3497 add_device_config(DEV_DEBUGCON
, optarg
);
3499 case QEMU_OPTION_loadvm
:
3502 case QEMU_OPTION_full_screen
:
3506 case QEMU_OPTION_no_frame
:
3509 case QEMU_OPTION_alt_grab
:
3512 case QEMU_OPTION_ctrl_grab
:
3515 case QEMU_OPTION_no_quit
:
3518 case QEMU_OPTION_sdl
:
3519 display_type
= DT_SDL
;
3522 case QEMU_OPTION_no_frame
:
3523 case QEMU_OPTION_alt_grab
:
3524 case QEMU_OPTION_ctrl_grab
:
3525 case QEMU_OPTION_no_quit
:
3526 case QEMU_OPTION_sdl
:
3527 fprintf(stderr
, "SDL support is disabled\n");
3530 case QEMU_OPTION_pidfile
:
3533 case QEMU_OPTION_win2k_hack
:
3534 win2k_install_hack
= 1;
3536 case QEMU_OPTION_rtc_td_hack
: {
3537 static GlobalProperty slew_lost_ticks
[] = {
3539 .driver
= "mc146818rtc",
3540 .property
= "lost_tick_policy",
3543 { /* end of list */ }
3546 qdev_prop_register_global_list(slew_lost_ticks
);
3549 case QEMU_OPTION_acpitable
:
3550 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3551 g_assert(opts
!= NULL
);
3552 do_acpitable_option(opts
);
3554 case QEMU_OPTION_smbios
:
3555 do_smbios_option(optarg
);
3557 case QEMU_OPTION_enable_kvm
:
3558 olist
= qemu_find_opts("machine");
3559 qemu_opts_parse(olist
, "accel=kvm", 0);
3561 case QEMU_OPTION_machine
:
3562 olist
= qemu_find_opts("machine");
3563 opts
= qemu_opts_parse(olist
, optarg
, 1);
3567 optarg
= qemu_opt_get(opts
, "type");
3569 machine
= machine_parse(optarg
);
3572 case QEMU_OPTION_no_kvm
:
3573 olist
= qemu_find_opts("machine");
3574 qemu_opts_parse(olist
, "accel=tcg", 0);
3576 case QEMU_OPTION_no_kvm_pit
: {
3577 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3581 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3582 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3584 .driver
= "kvm-pit",
3585 .property
= "lost_tick_policy",
3588 { /* end of list */ }
3591 fprintf(stderr
, "Warning: option deprecated, use "
3592 "lost_tick_policy property of kvm-pit instead.\n");
3593 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3596 case QEMU_OPTION_usb
:
3597 olist
= qemu_find_opts("machine");
3598 qemu_opts_parse(olist
, "usb=on", 0);
3600 case QEMU_OPTION_usbdevice
:
3601 olist
= qemu_find_opts("machine");
3602 qemu_opts_parse(olist
, "usb=on", 0);
3603 add_device_config(DEV_USB
, optarg
);
3605 case QEMU_OPTION_device
:
3606 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3610 case QEMU_OPTION_smp
:
3613 fprintf(stderr
, "Invalid number of CPUs\n");
3616 if (max_cpus
< smp_cpus
) {
3617 fprintf(stderr
, "maxcpus must be equal to or greater than "
3621 if (max_cpus
> 255) {
3622 fprintf(stderr
, "Unsupported number of maxcpus\n");
3626 case QEMU_OPTION_vnc
:
3629 vnc_display
= optarg
;
3631 fprintf(stderr
, "VNC support is disabled\n");
3635 case QEMU_OPTION_no_acpi
:
3638 case QEMU_OPTION_no_hpet
:
3641 case QEMU_OPTION_balloon
:
3642 if (balloon_parse(optarg
) < 0) {
3643 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3647 case QEMU_OPTION_no_reboot
:
3650 case QEMU_OPTION_no_shutdown
:
3653 case QEMU_OPTION_show_cursor
:
3656 case QEMU_OPTION_uuid
:
3657 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3658 fprintf(stderr
, "Fail to parse UUID string."
3659 " Wrong format.\n");
3663 case QEMU_OPTION_option_rom
:
3664 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3665 fprintf(stderr
, "Too many option ROMs\n");
3668 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3672 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3673 option_rom
[nb_option_roms
].bootindex
=
3674 qemu_opt_get_number(opts
, "bootindex", -1);
3675 if (!option_rom
[nb_option_roms
].name
) {
3676 fprintf(stderr
, "Option ROM file is not specified\n");
3681 case QEMU_OPTION_semihosting
:
3682 semihosting_enabled
= 1;
3684 case QEMU_OPTION_tdf
:
3685 fprintf(stderr
, "Warning: user space PIT time drift fix "
3686 "is no longer supported.\n");
3688 case QEMU_OPTION_name
:
3689 qemu_name
= g_strdup(optarg
);
3691 char *p
= strchr(qemu_name
, ',');
3694 if (strncmp(p
, "process=", 8)) {
3695 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3699 os_set_proc_name(p
);
3703 case QEMU_OPTION_prom_env
:
3704 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3705 fprintf(stderr
, "Too many prom variables\n");
3708 prom_envs
[nb_prom_envs
] = optarg
;
3711 case QEMU_OPTION_old_param
:
3714 case QEMU_OPTION_clock
:
3715 configure_alarms(optarg
);
3717 case QEMU_OPTION_startdate
:
3718 configure_rtc_date_offset(optarg
, 1);
3720 case QEMU_OPTION_rtc
:
3721 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3725 configure_rtc(opts
);
3727 case QEMU_OPTION_tb_size
:
3728 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3729 if (tcg_tb_size
< 0) {
3733 case QEMU_OPTION_icount
:
3734 icount_option
= optarg
;
3736 case QEMU_OPTION_incoming
:
3738 runstate_set(RUN_STATE_INMIGRATE
);
3740 case QEMU_OPTION_nodefaults
:
3742 default_parallel
= 0;
3743 default_virtcon
= 0;
3745 default_monitor
= 0;
3752 case QEMU_OPTION_xen_domid
:
3753 if (!(xen_available())) {
3754 printf("Option %s not supported for this target\n", popt
->name
);
3757 xen_domid
= atoi(optarg
);
3759 case QEMU_OPTION_xen_create
:
3760 if (!(xen_available())) {
3761 printf("Option %s not supported for this target\n", popt
->name
);
3764 xen_mode
= XEN_CREATE
;
3766 case QEMU_OPTION_xen_attach
:
3767 if (!(xen_available())) {
3768 printf("Option %s not supported for this target\n", popt
->name
);
3771 xen_mode
= XEN_ATTACH
;
3773 case QEMU_OPTION_trace
:
3775 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3779 trace_events
= qemu_opt_get(opts
, "events");
3780 trace_file
= qemu_opt_get(opts
, "file");
3783 case QEMU_OPTION_readconfig
:
3785 int ret
= qemu_read_config_file(optarg
);
3787 fprintf(stderr
, "read config %s: %s\n", optarg
,
3793 case QEMU_OPTION_spice
:
3794 olist
= qemu_find_opts("spice");
3796 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3799 opts
= qemu_opts_parse(olist
, optarg
, 0);
3805 case QEMU_OPTION_writeconfig
:
3808 if (strcmp(optarg
, "-") == 0) {
3811 fp
= fopen(optarg
, "w");
3813 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3817 qemu_config_write(fp
);
3821 case QEMU_OPTION_qtest
:
3822 qtest_chrdev
= optarg
;
3824 case QEMU_OPTION_qtest_log
:
3827 case QEMU_OPTION_sandbox
:
3828 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3833 case QEMU_OPTION_add_fd
:
3835 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3840 error_report("File descriptor passing is disabled on this "
3845 case QEMU_OPTION_object
:
3846 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3851 case QEMU_OPTION_realtime
:
3852 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3856 configure_realtime(opts
);
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 if (!qtest_enabled() && qtest_chrdev
) {
4105 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4107 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4108 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4109 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4111 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4114 if (!kernel_cmdline
) {
4115 kernel_cmdline
= "";
4118 linux_boot
= (kernel_filename
!= NULL
);
4120 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4121 fprintf(stderr
, "-append only allowed with -kernel option\n");
4125 if (!linux_boot
&& initrd_filename
!= NULL
) {
4126 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4130 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4131 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4135 os_set_line_buffering();
4137 qemu_init_cpu_loop();
4138 qemu_mutex_lock_iothread();
4141 /* spice needs the timers to be initialized by this point */
4145 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4146 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4149 configure_icount(icount_option
);
4151 /* clean up network at qemu process termination */
4152 atexit(&net_cleanup
);
4154 if (net_init_clients() < 0) {
4159 if (tpm_init() < 0) {
4164 /* init the bluetooth world */
4165 if (foreach_device_config(DEV_BT
, bt_parse
))
4168 if (!xen_enabled()) {
4169 /* On 32-bit hosts, QEMU is limited by virtual address space */
4170 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4171 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4176 cpu_exec_init_all();
4180 /* open the virtual block devices */
4182 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4183 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4184 &machine
->block_default_type
, 1) != 0) {
4188 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4190 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4191 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4193 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4195 if (nb_numa_nodes
> 0) {
4198 if (nb_numa_nodes
> MAX_NODES
) {
4199 nb_numa_nodes
= MAX_NODES
;
4202 /* If no memory size if given for any node, assume the default case
4203 * and distribute the available memory equally across all nodes
4205 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4206 if (node_mem
[i
] != 0)
4209 if (i
== nb_numa_nodes
) {
4210 uint64_t usedmem
= 0;
4212 /* On Linux, the each node's border has to be 8MB aligned,
4213 * the final node gets the rest.
4215 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4216 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4217 usedmem
+= node_mem
[i
];
4219 node_mem
[i
] = ram_size
- usedmem
;
4222 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4223 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4227 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4228 * must cope with this anyway, because there are BIOSes out there in
4229 * real machines which also use this scheme.
4231 if (i
== nb_numa_nodes
) {
4232 for (i
= 0; i
< max_cpus
; i
++) {
4233 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4238 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4242 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4244 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4246 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4248 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4251 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4254 /* If no default VGA is requested, the default is "none". */
4256 if (cirrus_vga_available()) {
4257 vga_model
= "cirrus";
4258 } else if (vga_available()) {
4262 select_vgahw(vga_model
);
4265 i
= select_watchdog(watchdog
);
4267 exit (i
== 1 ? 1 : 0);
4270 if (machine
->compat_props
) {
4271 qdev_prop_register_global_list(machine
->compat_props
);
4275 qdev_machine_init();
4277 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4278 .boot_device
= (boot_devices
[0] == '\0') ?
4279 machine
->boot_order
:
4281 .kernel_filename
= kernel_filename
,
4282 .kernel_cmdline
= kernel_cmdline
,
4283 .initrd_filename
= initrd_filename
,
4284 .cpu_model
= cpu_model
};
4285 machine
->init(&args
);
4287 cpu_synchronize_all_post_init();
4291 current_machine
= machine
;
4293 /* init USB devices */
4294 if (usb_enabled(false)) {
4295 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4299 /* init generic devices */
4300 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4303 net_check_clients();
4305 ds
= init_displaystate();
4307 /* init local displays */
4308 switch (display_type
) {
4311 #if defined(CONFIG_CURSES)
4313 curses_display_init(ds
, full_screen
);
4316 #if defined(CONFIG_SDL)
4318 sdl_display_init(ds
, full_screen
, no_frame
);
4320 #elif defined(CONFIG_COCOA)
4322 cocoa_display_init(ds
, full_screen
);
4325 #if defined(CONFIG_GTK)
4327 gtk_display_init(ds
);
4334 /* must be after terminal init, SDL library changes signal handlers */
4335 os_setup_signal_handling();
4338 /* init remote displays */
4340 Error
*local_err
= NULL
;
4341 vnc_display_init(ds
);
4342 vnc_display_open(ds
, vnc_display
, &local_err
);
4343 if (local_err
!= NULL
) {
4344 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4345 vnc_display
, error_get_pretty(local_err
));
4346 error_free(local_err
);
4350 if (show_vnc_port
) {
4351 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4356 if (using_spice
&& !qxl_enabled
) {
4357 qemu_spice_display_init(ds
);
4361 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4365 qdev_machine_creation_done();
4367 if (rom_load_all() != 0) {
4368 fprintf(stderr
, "rom loading failed\n");
4372 /* TODO: once all bus devices are qdevified, this should be done
4373 * when bus is created by qdev.c */
4374 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4375 qemu_run_machine_init_done_notifiers();
4377 qemu_system_reset(VMRESET_SILENT
);
4379 if (load_vmstate(loadvm
) < 0) {
4385 Error
*local_err
= NULL
;
4386 qemu_start_incoming_migration(incoming
, &local_err
);
4388 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4389 error_free(local_err
);
4392 } else if (autostart
) {