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;
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
,
463 .type
= QEMU_OPT_STRING
,
469 static QemuOptsList qemu_add_fd_opts
= {
471 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
475 .type
= QEMU_OPT_NUMBER
,
476 .help
= "file descriptor of which a duplicate is added to fd set",
479 .type
= QEMU_OPT_NUMBER
,
480 .help
= "ID of the fd set to add fd to",
483 .type
= QEMU_OPT_STRING
,
484 .help
= "free-form string used to describe fd",
486 { /* end of list */ }
490 static QemuOptsList qemu_object_opts
= {
492 .implied_opt_name
= "qom-type",
493 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
499 static QemuOptsList qemu_tpmdev_opts
= {
501 .implied_opt_name
= "type",
502 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
504 /* options are defined in the TPM backends */
505 { /* end of list */ }
509 static QemuOptsList qemu_realtime_opts
= {
511 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
515 .type
= QEMU_OPT_BOOL
,
517 { /* end of list */ }
521 const char *qemu_get_vm_name(void)
526 static void res_free(void)
528 if (boot_splash_filedata
!= NULL
) {
529 g_free(boot_splash_filedata
);
530 boot_splash_filedata
= NULL
;
534 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
536 const char *driver
= qemu_opt_get(opts
, "driver");
541 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
542 if (strcmp(default_list
[i
].driver
, driver
) != 0)
544 *(default_list
[i
].flag
) = 0;
549 /***********************************************************/
552 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
557 } RunStateTransition
;
559 static const RunStateTransition runstate_transitions_def
[] = {
561 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
563 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
564 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
566 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
567 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
569 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
570 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
572 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
573 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
576 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
579 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
582 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
583 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
585 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
587 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
588 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
589 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
590 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
591 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
593 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
594 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
595 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
596 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
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_GUEST_PANICKED
, RUN_STATE_PAUSED
},
612 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_MAX
, RUN_STATE_MAX
},
617 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
619 bool runstate_check(RunState state
)
621 return current_run_state
== state
;
624 static void runstate_init(void)
626 const RunStateTransition
*p
;
628 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
630 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
631 runstate_valid_transitions
[p
->from
][p
->to
] = true;
635 /* This function will abort() on invalid state transitions */
636 void runstate_set(RunState new_state
)
638 assert(new_state
< RUN_STATE_MAX
);
640 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
641 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
642 RunState_lookup
[current_run_state
],
643 RunState_lookup
[new_state
]);
646 trace_runstate_set(new_state
);
647 current_run_state
= new_state
;
650 int runstate_is_running(void)
652 return runstate_check(RUN_STATE_RUNNING
);
655 bool runstate_needs_reset(void)
657 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
658 runstate_check(RUN_STATE_SHUTDOWN
) ||
659 runstate_check(RUN_STATE_GUEST_PANICKED
);
662 StatusInfo
*qmp_query_status(Error
**errp
)
664 StatusInfo
*info
= g_malloc0(sizeof(*info
));
666 info
->running
= runstate_is_running();
667 info
->singlestep
= singlestep
;
668 info
->status
= current_run_state
;
673 /***********************************************************/
674 /* real time host monotonic timer */
676 /***********************************************************/
677 /* host time/date access */
678 void qemu_get_timedate(struct tm
*tm
, int offset
)
684 if (rtc_date_offset
== -1) {
688 localtime_r(&ti
, tm
);
690 ti
-= rtc_date_offset
;
695 int qemu_timedate_diff(struct tm
*tm
)
699 if (rtc_date_offset
== -1)
701 seconds
= mktimegm(tm
);
704 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
705 seconds
= mktime(&tmp
);
708 seconds
= mktimegm(tm
) + rtc_date_offset
;
710 return seconds
- time(NULL
);
713 void rtc_change_mon_event(struct tm
*tm
)
717 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
718 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
719 qobject_decref(data
);
722 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
724 time_t rtc_start_date
;
727 if (!strcmp(startdate
, "now") && legacy
) {
728 rtc_date_offset
= -1;
730 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
738 } else if (sscanf(startdate
, "%d-%d-%d",
750 rtc_start_date
= mktimegm(&tm
);
751 if (rtc_start_date
== -1) {
753 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
754 "'2006-06-17T16:01:21' or '2006-06-17'\n");
757 rtc_date_offset
= time(NULL
) - rtc_start_date
;
761 static void configure_rtc(QemuOpts
*opts
)
765 value
= qemu_opt_get(opts
, "base");
767 if (!strcmp(value
, "utc")) {
769 } else if (!strcmp(value
, "localtime")) {
772 configure_rtc_date_offset(value
, 0);
775 value
= qemu_opt_get(opts
, "clock");
777 if (!strcmp(value
, "host")) {
778 rtc_clock
= host_clock
;
779 } else if (!strcmp(value
, "rt")) {
780 rtc_clock
= rt_clock
;
781 } else if (!strcmp(value
, "vm")) {
782 rtc_clock
= vm_clock
;
784 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
788 value
= qemu_opt_get(opts
, "driftfix");
790 if (!strcmp(value
, "slew")) {
791 static GlobalProperty slew_lost_ticks
[] = {
793 .driver
= "mc146818rtc",
794 .property
= "lost_tick_policy",
797 { /* end of list */ }
800 qdev_prop_register_global_list(slew_lost_ticks
);
801 } else if (!strcmp(value
, "none")) {
802 /* discard is default */
804 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
810 /***********************************************************/
811 /* Bluetooth support */
814 static struct HCIInfo
*hci_table
[MAX_NICS
];
816 static struct bt_vlan_s
{
817 struct bt_scatternet_s net
;
819 struct bt_vlan_s
*next
;
822 /* find or alloc a new bluetooth "VLAN" */
823 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
825 struct bt_vlan_s
**pvlan
, *vlan
;
826 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
830 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
832 pvlan
= &first_bt_vlan
;
833 while (*pvlan
!= NULL
)
834 pvlan
= &(*pvlan
)->next
;
839 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
843 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
848 static struct HCIInfo null_hci
= {
849 .cmd_send
= null_hci_send
,
850 .sco_send
= null_hci_send
,
851 .acl_send
= null_hci_send
,
852 .bdaddr_set
= null_hci_addr_set
,
855 struct HCIInfo
*qemu_next_hci(void)
857 if (cur_hci
== nb_hcis
)
860 return hci_table
[cur_hci
++];
863 static struct HCIInfo
*hci_init(const char *str
)
866 struct bt_scatternet_s
*vlan
= 0;
868 if (!strcmp(str
, "null"))
871 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
873 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
874 else if (!strncmp(str
, "hci", 3)) {
877 if (!strncmp(str
+ 3, ",vlan=", 6)) {
878 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
883 vlan
= qemu_find_bt_vlan(0);
885 return bt_new_hci(vlan
);
888 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
893 static int bt_hci_parse(const char *str
)
898 if (nb_hcis
>= MAX_NICS
) {
899 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
912 bdaddr
.b
[5] = 0x56 + nb_hcis
;
913 hci
->bdaddr_set(hci
, bdaddr
.b
);
915 hci_table
[nb_hcis
++] = hci
;
920 static void bt_vhci_add(int vlan_id
)
922 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
925 fprintf(stderr
, "qemu: warning: adding a VHCI to "
926 "an empty scatternet %i\n", vlan_id
);
928 bt_vhci_init(bt_new_hci(vlan
));
931 static struct bt_device_s
*bt_device_add(const char *opt
)
933 struct bt_scatternet_s
*vlan
;
935 char *endp
= strstr(opt
, ",vlan=");
936 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
939 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
942 vlan_id
= strtol(endp
+ 6, &endp
, 0);
944 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
949 vlan
= qemu_find_bt_vlan(vlan_id
);
952 fprintf(stderr
, "qemu: warning: adding a slave device to "
953 "an empty scatternet %i\n", vlan_id
);
955 if (!strcmp(devname
, "keyboard"))
956 return bt_keyboard_init(vlan
);
958 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
962 static int bt_parse(const char *opt
)
964 const char *endp
, *p
;
967 if (strstart(opt
, "hci", &endp
)) {
968 if (!*endp
|| *endp
== ',') {
970 if (!strstart(endp
, ",vlan=", 0))
973 return bt_hci_parse(opt
);
975 } else if (strstart(opt
, "vhci", &endp
)) {
976 if (!*endp
|| *endp
== ',') {
978 if (strstart(endp
, ",vlan=", &p
)) {
979 vlan
= strtol(p
, (char **) &endp
, 0);
981 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
985 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
994 } else if (strstart(opt
, "device:", &endp
))
995 return !bt_device_add(endp
);
997 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1001 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1003 /* FIXME: change this to true for 1.3 */
1004 if (qemu_opt_get_bool(opts
, "enable", false)) {
1005 #ifdef CONFIG_SECCOMP
1006 if (seccomp_start() < 0) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1008 "failed to install seccomp syscall filter in the kernel");
1012 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1013 "sandboxing request but seccomp is not compiled into this build");
1021 /*********QEMU USB setting******/
1022 bool usb_enabled(bool default_usb
)
1024 QemuOpts
*mach_opts
;
1025 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1027 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1033 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1035 int fd
, dupfd
, flags
;
1037 const char *fd_opaque
= NULL
;
1039 fd
= qemu_opt_get_number(opts
, "fd", -1);
1040 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1041 fd_opaque
= qemu_opt_get(opts
, "opaque");
1044 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1045 "fd option is required and must be non-negative");
1049 if (fd
<= STDERR_FILENO
) {
1050 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1051 "fd cannot be a standard I/O stream");
1056 * All fds inherited across exec() necessarily have FD_CLOEXEC
1057 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1059 flags
= fcntl(fd
, F_GETFD
);
1060 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1061 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1062 "fd is not valid or already in use");
1067 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1068 "set option is required and must be non-negative");
1072 #ifdef F_DUPFD_CLOEXEC
1073 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1077 qemu_set_cloexec(dupfd
);
1081 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1082 "Error duplicating fd: %s", strerror(errno
));
1086 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1087 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1093 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1097 fd
= qemu_opt_get_number(opts
, "fd", -1);
1104 /***********************************************************/
1105 /* QEMU Block devices */
1107 #define HD_OPTS "media=disk"
1108 #define CDROM_OPTS "media=cdrom"
1110 #define PFLASH_OPTS ""
1114 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1116 BlockInterfaceType
*block_default_type
= opaque
;
1118 return drive_init(opts
, *block_default_type
) == NULL
;
1121 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1123 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1124 qemu_opt_set(opts
, "snapshot", "on");
1129 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1130 int index
, const char *optstr
)
1134 if (!enable
|| drive_get_by_index(type
, index
)) {
1138 opts
= drive_add(type
, index
, NULL
, optstr
);
1140 drive_enable_snapshot(opts
, NULL
);
1142 if (!drive_init(opts
, type
)) {
1147 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1149 boot_set_handler
= func
;
1150 boot_set_opaque
= opaque
;
1153 int qemu_boot_set(const char *boot_devices
)
1155 if (!boot_set_handler
) {
1158 return boot_set_handler(boot_set_opaque
, boot_devices
);
1161 static void validate_bootdevices(char *devices
)
1163 /* We just do some generic consistency checks */
1167 for (p
= devices
; *p
!= '\0'; p
++) {
1168 /* Allowed boot devices are:
1169 * a-b: floppy disk drives
1170 * c-f: IDE disk drives
1171 * g-m: machine implementation dependent drives
1172 * n-p: network devices
1173 * It's up to each machine implementation to check if the given boot
1174 * devices match the actual hardware implementation and firmware
1177 if (*p
< 'a' || *p
> 'p') {
1178 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1181 if (bitmap
& (1 << (*p
- 'a'))) {
1182 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1185 bitmap
|= 1 << (*p
- 'a');
1189 static void restore_boot_devices(void *opaque
)
1191 char *standard_boot_devices
= opaque
;
1192 static int first
= 1;
1194 /* Restore boot order and remove ourselves after the first boot */
1200 qemu_boot_set(standard_boot_devices
);
1202 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1203 g_free(standard_boot_devices
);
1206 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1209 FWBootEntry
*node
, *i
;
1211 if (bootindex
< 0) {
1215 assert(dev
!= NULL
|| suffix
!= NULL
);
1217 node
= g_malloc0(sizeof(FWBootEntry
));
1218 node
->bootindex
= bootindex
;
1219 node
->suffix
= g_strdup(suffix
);
1222 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1223 if (i
->bootindex
== bootindex
) {
1224 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1226 } else if (i
->bootindex
< bootindex
) {
1229 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1232 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1235 DeviceState
*get_boot_device(uint32_t position
)
1237 uint32_t counter
= 0;
1238 FWBootEntry
*i
= NULL
;
1239 DeviceState
*res
= NULL
;
1241 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1242 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1243 if (counter
== position
) {
1254 * This function returns null terminated string that consist of new line
1255 * separated device paths.
1257 * memory pointed by "size" is assigned total length of the array in bytes
1260 char *get_boot_devices_list(size_t *size
)
1266 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1267 char *devpath
= NULL
, *bootpath
;
1271 devpath
= qdev_get_fw_dev_path(i
->dev
);
1275 if (i
->suffix
&& devpath
) {
1276 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1278 bootpath
= g_malloc(bootpathlen
);
1279 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1281 } else if (devpath
) {
1285 bootpath
= g_strdup(i
->suffix
);
1289 list
[total
-1] = '\n';
1291 len
= strlen(bootpath
) + 1;
1292 list
= g_realloc(list
, total
+ len
);
1293 memcpy(&list
[total
], bootpath
, len
);
1300 if (boot_strict
&& *size
> 0) {
1301 list
[total
-1] = '\n';
1302 list
= g_realloc(list
, total
+ 5);
1303 memcpy(&list
[total
], "HALT", 5);
1309 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1312 unsigned long long value
, endvalue
;
1314 /* Empty CPU range strings will be considered valid, they will simply
1315 * not set any bit in the CPU bitmap.
1321 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1324 if (*endptr
== '-') {
1325 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1328 } else if (*endptr
== '\0') {
1334 if (endvalue
>= MAX_CPUMASK_BITS
) {
1335 endvalue
= MAX_CPUMASK_BITS
- 1;
1337 "qemu: NUMA: A max of %d VCPUs are supported\n",
1341 if (endvalue
< value
) {
1345 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1349 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1353 static void numa_add(const char *optarg
)
1357 unsigned long long nodenr
;
1359 optarg
= get_opt_name(option
, 128, optarg
, ',');
1360 if (*optarg
== ',') {
1363 if (!strcmp(option
, "node")) {
1365 if (nb_numa_nodes
>= MAX_NODES
) {
1366 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1370 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1371 nodenr
= nb_numa_nodes
;
1373 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1374 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1379 if (nodenr
>= MAX_NODES
) {
1380 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1384 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1385 node_mem
[nodenr
] = 0;
1388 sval
= strtosz(option
, &endptr
);
1389 if (sval
< 0 || *endptr
) {
1390 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1393 node_mem
[nodenr
] = sval
;
1395 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1396 numa_node_parse_cpus(nodenr
, option
);
1400 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1405 static void smp_parse(const char *optarg
)
1407 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1411 smp
= strtoul(optarg
, &endptr
, 10);
1412 if (endptr
!= optarg
) {
1413 if (*endptr
== ',') {
1417 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1418 sockets
= strtoull(option
, NULL
, 10);
1419 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1420 cores
= strtoull(option
, NULL
, 10);
1421 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1422 threads
= strtoull(option
, NULL
, 10);
1423 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1424 max_cpus
= strtoull(option
, NULL
, 10);
1426 /* compute missing values, prefer sockets over cores over threads */
1427 if (smp
== 0 || sockets
== 0) {
1428 sockets
= sockets
> 0 ? sockets
: 1;
1429 cores
= cores
> 0 ? cores
: 1;
1430 threads
= threads
> 0 ? threads
: 1;
1432 smp
= cores
* threads
* sockets
;
1436 threads
= threads
> 0 ? threads
: 1;
1437 cores
= smp
/ (sockets
* threads
);
1439 threads
= smp
/ (cores
* sockets
);
1443 smp_cores
= cores
> 0 ? cores
: 1;
1444 smp_threads
= threads
> 0 ? threads
: 1;
1446 max_cpus
= smp_cpus
;
1449 static void configure_realtime(QemuOpts
*opts
)
1453 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1456 if (os_mlock() < 0) {
1457 fprintf(stderr
, "qemu: locking memory failed\n");
1463 /***********************************************************/
1466 static int usb_device_add(const char *devname
)
1469 USBDevice
*dev
= NULL
;
1471 if (!usb_enabled(false)) {
1475 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1476 dev
= usbdevice_create(devname
);
1480 /* the other ones */
1481 #ifndef CONFIG_LINUX
1482 /* only the linux version is qdev-ified, usb-bsd still needs this */
1483 if (strstart(devname
, "host:", &p
)) {
1484 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1487 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1488 dev
= usb_bt_init(usb_bus_find(-1),
1489 devname
[2] ? hci_init(p
)
1490 : bt_new_hci(qemu_find_bt_vlan(0)));
1501 static int usb_device_del(const char *devname
)
1506 if (strstart(devname
, "host:", &p
)) {
1510 if (!usb_enabled(false)) {
1514 p
= strchr(devname
, '.');
1517 bus_num
= strtoul(devname
, NULL
, 0);
1518 addr
= strtoul(p
+ 1, NULL
, 0);
1520 return usb_device_delete_addr(bus_num
, addr
);
1523 static int usb_parse(const char *cmdline
)
1526 r
= usb_device_add(cmdline
);
1528 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1533 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1535 const char *devname
= qdict_get_str(qdict
, "devname");
1536 if (usb_device_add(devname
) < 0) {
1537 error_report("could not add USB device '%s'", devname
);
1541 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1543 const char *devname
= qdict_get_str(qdict
, "devname");
1544 if (usb_device_del(devname
) < 0) {
1545 error_report("could not delete USB device '%s'", devname
);
1549 /***********************************************************/
1550 /* PCMCIA/Cardbus */
1552 static struct pcmcia_socket_entry_s
{
1553 PCMCIASocket
*socket
;
1554 struct pcmcia_socket_entry_s
*next
;
1555 } *pcmcia_sockets
= 0;
1557 void pcmcia_socket_register(PCMCIASocket
*socket
)
1559 struct pcmcia_socket_entry_s
*entry
;
1561 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1562 entry
->socket
= socket
;
1563 entry
->next
= pcmcia_sockets
;
1564 pcmcia_sockets
= entry
;
1567 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1569 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1571 ptr
= &pcmcia_sockets
;
1572 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1573 if (entry
->socket
== socket
) {
1579 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1581 struct pcmcia_socket_entry_s
*iter
;
1583 if (!pcmcia_sockets
)
1584 monitor_printf(mon
, "No PCMCIA sockets\n");
1586 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1587 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1588 iter
->socket
->attached
? iter
->socket
->card_string
:
1592 /***********************************************************/
1593 /* machine registration */
1595 static QEMUMachine
*first_machine
= NULL
;
1596 QEMUMachine
*current_machine
= NULL
;
1598 int qemu_register_machine(QEMUMachine
*m
)
1601 pm
= &first_machine
;
1609 static QEMUMachine
*find_machine(const char *name
)
1613 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1614 if (!strcmp(m
->name
, name
))
1616 if (m
->alias
&& !strcmp(m
->alias
, name
))
1622 QEMUMachine
*find_default_machine(void)
1626 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1627 if (m
->is_default
) {
1634 MachineInfoList
*qmp_query_machines(Error
**errp
)
1636 MachineInfoList
*mach_list
= NULL
;
1639 for (m
= first_machine
; m
; m
= m
->next
) {
1640 MachineInfoList
*entry
;
1643 info
= g_malloc0(sizeof(*info
));
1644 if (m
->is_default
) {
1645 info
->has_is_default
= true;
1646 info
->is_default
= true;
1650 info
->has_alias
= true;
1651 info
->alias
= g_strdup(m
->alias
);
1654 info
->name
= g_strdup(m
->name
);
1655 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1657 entry
= g_malloc0(sizeof(*entry
));
1658 entry
->value
= info
;
1659 entry
->next
= mach_list
;
1666 /***********************************************************/
1667 /* main execution loop */
1669 struct vm_change_state_entry
{
1670 VMChangeStateHandler
*cb
;
1672 QLIST_ENTRY (vm_change_state_entry
) entries
;
1675 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1677 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1680 VMChangeStateEntry
*e
;
1682 e
= g_malloc0(sizeof (*e
));
1686 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1690 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1692 QLIST_REMOVE (e
, entries
);
1696 void vm_state_notify(int running
, RunState state
)
1698 VMChangeStateEntry
*e
;
1700 trace_vm_state_notify(running
, state
);
1702 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1703 e
->cb(e
->opaque
, running
, state
);
1709 if (!runstate_is_running()) {
1711 runstate_set(RUN_STATE_RUNNING
);
1712 vm_state_notify(1, RUN_STATE_RUNNING
);
1714 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1718 /* reset/shutdown handler */
1720 typedef struct QEMUResetEntry
{
1721 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1722 QEMUResetHandler
*func
;
1726 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1727 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1728 static int reset_requested
;
1729 static int shutdown_requested
, shutdown_signal
= -1;
1730 static pid_t shutdown_pid
;
1731 static int powerdown_requested
;
1732 static int debug_requested
;
1733 static int suspend_requested
;
1734 static int wakeup_requested
;
1735 static NotifierList powerdown_notifiers
=
1736 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1737 static NotifierList suspend_notifiers
=
1738 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1739 static NotifierList wakeup_notifiers
=
1740 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1741 static uint32_t wakeup_reason_mask
= ~0;
1742 static RunState vmstop_requested
= RUN_STATE_MAX
;
1744 int qemu_shutdown_requested_get(void)
1746 return shutdown_requested
;
1749 int qemu_reset_requested_get(void)
1751 return reset_requested
;
1754 static int qemu_shutdown_requested(void)
1756 int r
= shutdown_requested
;
1757 shutdown_requested
= 0;
1761 static void qemu_kill_report(void)
1763 if (!qtest_enabled() && shutdown_signal
!= -1) {
1764 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1765 if (shutdown_pid
== 0) {
1766 /* This happens for eg ^C at the terminal, so it's worth
1767 * avoiding printing an odd message in that case.
1769 fputc('\n', stderr
);
1771 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1773 shutdown_signal
= -1;
1777 static int qemu_reset_requested(void)
1779 int r
= reset_requested
;
1780 reset_requested
= 0;
1784 static int qemu_suspend_requested(void)
1786 int r
= suspend_requested
;
1787 suspend_requested
= 0;
1791 static int qemu_wakeup_requested(void)
1793 int r
= wakeup_requested
;
1794 wakeup_requested
= 0;
1798 static int qemu_powerdown_requested(void)
1800 int r
= powerdown_requested
;
1801 powerdown_requested
= 0;
1805 static int qemu_debug_requested(void)
1807 int r
= debug_requested
;
1808 debug_requested
= 0;
1812 /* We use RUN_STATE_MAX but any invalid value will do */
1813 static bool qemu_vmstop_requested(RunState
*r
)
1815 if (vmstop_requested
< RUN_STATE_MAX
) {
1816 *r
= vmstop_requested
;
1817 vmstop_requested
= RUN_STATE_MAX
;
1824 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1826 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1829 re
->opaque
= opaque
;
1830 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1833 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1837 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1838 if (re
->func
== func
&& re
->opaque
== opaque
) {
1839 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1846 void qemu_devices_reset(void)
1848 QEMUResetEntry
*re
, *nre
;
1850 /* reset all devices */
1851 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1852 re
->func(re
->opaque
);
1856 void qemu_system_reset(bool report
)
1858 if (current_machine
&& current_machine
->reset
) {
1859 current_machine
->reset();
1861 qemu_devices_reset();
1864 monitor_protocol_event(QEVENT_RESET
, NULL
);
1866 cpu_synchronize_all_post_reset();
1869 void qemu_system_reset_request(void)
1872 shutdown_requested
= 1;
1874 reset_requested
= 1;
1877 qemu_notify_event();
1880 static void qemu_system_suspend(void)
1883 notifier_list_notify(&suspend_notifiers
, NULL
);
1884 runstate_set(RUN_STATE_SUSPENDED
);
1885 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1888 void qemu_system_suspend_request(void)
1890 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1893 suspend_requested
= 1;
1895 qemu_notify_event();
1898 void qemu_register_suspend_notifier(Notifier
*notifier
)
1900 notifier_list_add(&suspend_notifiers
, notifier
);
1903 void qemu_system_wakeup_request(WakeupReason reason
)
1905 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1908 if (!(wakeup_reason_mask
& (1 << reason
))) {
1911 runstate_set(RUN_STATE_RUNNING
);
1912 notifier_list_notify(&wakeup_notifiers
, &reason
);
1913 wakeup_requested
= 1;
1914 qemu_notify_event();
1917 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1920 wakeup_reason_mask
|= (1 << reason
);
1922 wakeup_reason_mask
&= ~(1 << reason
);
1926 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1928 notifier_list_add(&wakeup_notifiers
, notifier
);
1931 void qemu_system_killed(int signal
, pid_t pid
)
1933 shutdown_signal
= signal
;
1936 qemu_system_shutdown_request();
1939 void qemu_system_shutdown_request(void)
1941 shutdown_requested
= 1;
1942 qemu_notify_event();
1945 static void qemu_system_powerdown(void)
1947 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1948 notifier_list_notify(&powerdown_notifiers
, NULL
);
1951 void qemu_system_powerdown_request(void)
1953 powerdown_requested
= 1;
1954 qemu_notify_event();
1957 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1959 notifier_list_add(&powerdown_notifiers
, notifier
);
1962 void qemu_system_debug_request(void)
1964 debug_requested
= 1;
1965 qemu_notify_event();
1968 void qemu_system_vmstop_request(RunState state
)
1970 vmstop_requested
= state
;
1971 qemu_notify_event();
1974 static bool main_loop_should_exit(void)
1977 if (qemu_debug_requested()) {
1978 vm_stop(RUN_STATE_DEBUG
);
1980 if (qemu_suspend_requested()) {
1981 qemu_system_suspend();
1983 if (qemu_shutdown_requested()) {
1985 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1987 vm_stop(RUN_STATE_SHUTDOWN
);
1992 if (qemu_reset_requested()) {
1994 cpu_synchronize_all_states();
1995 qemu_system_reset(VMRESET_REPORT
);
1997 if (runstate_needs_reset()) {
1998 runstate_set(RUN_STATE_PAUSED
);
2001 if (qemu_wakeup_requested()) {
2003 cpu_synchronize_all_states();
2004 qemu_system_reset(VMRESET_SILENT
);
2006 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2008 if (qemu_powerdown_requested()) {
2009 qemu_system_powerdown();
2011 if (qemu_vmstop_requested(&r
)) {
2017 static void main_loop(void)
2021 #ifdef CONFIG_PROFILER
2025 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2026 #ifdef CONFIG_PROFILER
2027 ti
= profile_getclock();
2029 last_io
= main_loop_wait(nonblocking
);
2030 #ifdef CONFIG_PROFILER
2031 dev_time
+= profile_getclock() - ti
;
2033 } while (!main_loop_should_exit());
2036 static void version(void)
2038 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2041 static void help(int exitcode
)
2044 printf("usage: %s [options] [disk_image]\n\n"
2045 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2046 error_get_progname());
2048 #define QEMU_OPTIONS_GENERATE_HELP
2049 #include "qemu-options-wrapper.h"
2051 printf("\nDuring emulation, the following keys are useful:\n"
2052 "ctrl-alt-f toggle full screen\n"
2053 "ctrl-alt-n switch to virtual console 'n'\n"
2054 "ctrl-alt toggle mouse and keyboard grab\n"
2056 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2061 #define HAS_ARG 0x0001
2063 typedef struct QEMUOption
{
2070 static const QEMUOption qemu_options
[] = {
2071 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2072 #define QEMU_OPTIONS_GENERATE_OPTIONS
2073 #include "qemu-options-wrapper.h"
2077 static bool vga_available(void)
2079 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2082 static bool cirrus_vga_available(void)
2084 return object_class_by_name("cirrus-vga")
2085 || object_class_by_name("isa-cirrus-vga");
2088 static bool vmware_vga_available(void)
2090 return object_class_by_name("vmware-svga");
2093 static bool qxl_vga_available(void)
2095 return object_class_by_name("qxl-vga");
2098 static void select_vgahw (const char *p
)
2102 vga_interface_type
= VGA_NONE
;
2103 if (strstart(p
, "std", &opts
)) {
2104 if (vga_available()) {
2105 vga_interface_type
= VGA_STD
;
2107 fprintf(stderr
, "Error: standard VGA not available\n");
2110 } else if (strstart(p
, "cirrus", &opts
)) {
2111 if (cirrus_vga_available()) {
2112 vga_interface_type
= VGA_CIRRUS
;
2114 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2117 } else if (strstart(p
, "vmware", &opts
)) {
2118 if (vmware_vga_available()) {
2119 vga_interface_type
= VGA_VMWARE
;
2121 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2124 } else if (strstart(p
, "xenfb", &opts
)) {
2125 vga_interface_type
= VGA_XENFB
;
2126 } else if (strstart(p
, "qxl", &opts
)) {
2127 if (qxl_vga_available()) {
2128 vga_interface_type
= VGA_QXL
;
2130 fprintf(stderr
, "Error: QXL VGA not available\n");
2133 } else if (!strstart(p
, "none", &opts
)) {
2135 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2139 const char *nextopt
;
2141 if (strstart(opts
, ",retrace=", &nextopt
)) {
2143 if (strstart(opts
, "dumb", &nextopt
))
2144 vga_retrace_method
= VGA_RETRACE_DUMB
;
2145 else if (strstart(opts
, "precise", &nextopt
))
2146 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2147 else goto invalid_vga
;
2148 } else goto invalid_vga
;
2153 static DisplayType
select_display(const char *p
)
2156 DisplayType display
= DT_DEFAULT
;
2158 if (strstart(p
, "sdl", &opts
)) {
2162 const char *nextopt
;
2164 if (strstart(opts
, ",frame=", &nextopt
)) {
2166 if (strstart(opts
, "on", &nextopt
)) {
2168 } else if (strstart(opts
, "off", &nextopt
)) {
2171 goto invalid_sdl_args
;
2173 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2175 if (strstart(opts
, "on", &nextopt
)) {
2177 } else if (strstart(opts
, "off", &nextopt
)) {
2180 goto invalid_sdl_args
;
2182 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2184 if (strstart(opts
, "on", &nextopt
)) {
2186 } else if (strstart(opts
, "off", &nextopt
)) {
2189 goto invalid_sdl_args
;
2191 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2193 if (strstart(opts
, "on", &nextopt
)) {
2195 } else if (strstart(opts
, "off", &nextopt
)) {
2198 goto invalid_sdl_args
;
2202 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2208 fprintf(stderr
, "SDL support is disabled\n");
2211 } else if (strstart(p
, "vnc", &opts
)) {
2216 const char *nextopt
;
2218 if (strstart(opts
, "=", &nextopt
)) {
2219 vnc_display
= nextopt
;
2223 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2227 fprintf(stderr
, "VNC support is disabled\n");
2230 } else if (strstart(p
, "curses", &opts
)) {
2231 #ifdef CONFIG_CURSES
2232 display
= DT_CURSES
;
2234 fprintf(stderr
, "Curses support is disabled\n");
2237 } else if (strstart(p
, "gtk", &opts
)) {
2241 fprintf(stderr
, "GTK support is disabled\n");
2244 } else if (strstart(p
, "none", &opts
)) {
2247 fprintf(stderr
, "Unknown display type: %s\n", p
);
2254 static int balloon_parse(const char *arg
)
2258 if (strcmp(arg
, "none") == 0) {
2262 if (!strncmp(arg
, "virtio", 6)) {
2263 if (arg
[6] == ',') {
2264 /* have params -> parse them */
2265 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2269 /* create empty opts */
2270 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2272 qemu_opt_set(opts
, "driver", "virtio-balloon");
2279 char *qemu_find_file(int type
, const char *name
)
2285 /* Try the name as a straight path first */
2286 if (access(name
, R_OK
) == 0) {
2287 trace_load_file(name
, name
);
2288 return g_strdup(name
);
2292 case QEMU_FILE_TYPE_BIOS
:
2295 case QEMU_FILE_TYPE_KEYMAP
:
2296 subdir
= "keymaps/";
2302 for (i
= 0; i
< data_dir_idx
; i
++) {
2303 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2304 if (access(buf
, R_OK
) == 0) {
2305 trace_load_file(name
, buf
);
2313 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2315 return qdev_device_help(opts
);
2318 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2322 dev
= qdev_device_add(opts
);
2325 object_unref(OBJECT(dev
));
2329 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2331 Error
*local_err
= NULL
;
2333 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2334 if (error_is_set(&local_err
)) {
2335 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2336 error_free(local_err
);
2342 #ifdef CONFIG_VIRTFS
2343 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2346 ret
= qemu_fsdev_add(opts
);
2352 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2354 CharDriverState
*chr
;
2355 const char *chardev
;
2359 mode
= qemu_opt_get(opts
, "mode");
2363 if (strcmp(mode
, "readline") == 0) {
2364 flags
= MONITOR_USE_READLINE
;
2365 } else if (strcmp(mode
, "control") == 0) {
2366 flags
= MONITOR_USE_CONTROL
;
2368 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2372 if (qemu_opt_get_bool(opts
, "pretty", 0))
2373 flags
|= MONITOR_USE_PRETTY
;
2375 if (qemu_opt_get_bool(opts
, "default", 0))
2376 flags
|= MONITOR_IS_DEFAULT
;
2378 chardev
= qemu_opt_get(opts
, "chardev");
2379 chr
= qemu_chr_find(chardev
);
2381 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2385 qemu_chr_fe_claim_no_fail(chr
);
2386 monitor_init(chr
, flags
);
2390 static void monitor_parse(const char *optarg
, const char *mode
)
2392 static int monitor_device_index
= 0;
2398 if (strstart(optarg
, "chardev:", &p
)) {
2399 snprintf(label
, sizeof(label
), "%s", p
);
2401 snprintf(label
, sizeof(label
), "compat_monitor%d",
2402 monitor_device_index
);
2403 if (monitor_device_index
== 0) {
2406 opts
= qemu_chr_parse_compat(label
, optarg
);
2408 fprintf(stderr
, "parse error: %s\n", optarg
);
2413 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2415 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2418 qemu_opt_set(opts
, "mode", mode
);
2419 qemu_opt_set(opts
, "chardev", label
);
2421 qemu_opt_set(opts
, "default", "on");
2422 monitor_device_index
++;
2425 struct device_config
{
2427 DEV_USB
, /* -usbdevice */
2429 DEV_SERIAL
, /* -serial */
2430 DEV_PARALLEL
, /* -parallel */
2431 DEV_VIRTCON
, /* -virtioconsole */
2432 DEV_DEBUGCON
, /* -debugcon */
2433 DEV_GDB
, /* -gdb, -s */
2434 DEV_SCLP
, /* s390 sclp */
2436 const char *cmdline
;
2438 QTAILQ_ENTRY(device_config
) next
;
2441 static QTAILQ_HEAD(, device_config
) device_configs
=
2442 QTAILQ_HEAD_INITIALIZER(device_configs
);
2444 static void add_device_config(int type
, const char *cmdline
)
2446 struct device_config
*conf
;
2448 conf
= g_malloc0(sizeof(*conf
));
2450 conf
->cmdline
= cmdline
;
2451 loc_save(&conf
->loc
);
2452 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2455 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2457 struct device_config
*conf
;
2460 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2461 if (conf
->type
!= type
)
2463 loc_push_restore(&conf
->loc
);
2464 rc
= func(conf
->cmdline
);
2465 loc_pop(&conf
->loc
);
2472 static int serial_parse(const char *devname
)
2474 static int index
= 0;
2477 if (strcmp(devname
, "none") == 0)
2479 if (index
== MAX_SERIAL_PORTS
) {
2480 fprintf(stderr
, "qemu: too many serial ports\n");
2483 snprintf(label
, sizeof(label
), "serial%d", index
);
2484 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2485 if (!serial_hds
[index
]) {
2486 fprintf(stderr
, "qemu: could not connect serial device"
2487 " to character backend '%s'\n", devname
);
2494 static int parallel_parse(const char *devname
)
2496 static int index
= 0;
2499 if (strcmp(devname
, "none") == 0)
2501 if (index
== MAX_PARALLEL_PORTS
) {
2502 fprintf(stderr
, "qemu: too many parallel ports\n");
2505 snprintf(label
, sizeof(label
), "parallel%d", index
);
2506 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2507 if (!parallel_hds
[index
]) {
2508 fprintf(stderr
, "qemu: could not connect parallel device"
2509 " to character backend '%s'\n", devname
);
2516 static int virtcon_parse(const char *devname
)
2518 QemuOptsList
*device
= qemu_find_opts("device");
2519 static int index
= 0;
2521 QemuOpts
*bus_opts
, *dev_opts
;
2523 if (strcmp(devname
, "none") == 0)
2525 if (index
== MAX_VIRTIO_CONSOLES
) {
2526 fprintf(stderr
, "qemu: too many virtio consoles\n");
2530 bus_opts
= qemu_opts_create_nofail(device
);
2531 if (arch_type
== QEMU_ARCH_S390X
) {
2532 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2534 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2537 dev_opts
= qemu_opts_create_nofail(device
);
2538 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2540 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2541 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2542 if (!virtcon_hds
[index
]) {
2543 fprintf(stderr
, "qemu: could not connect virtio console"
2544 " to character backend '%s'\n", devname
);
2547 qemu_opt_set(dev_opts
, "chardev", label
);
2553 static int sclp_parse(const char *devname
)
2555 QemuOptsList
*device
= qemu_find_opts("device");
2556 static int index
= 0;
2560 if (strcmp(devname
, "none") == 0) {
2563 if (index
== MAX_SCLP_CONSOLES
) {
2564 fprintf(stderr
, "qemu: too many sclp consoles\n");
2568 assert(arch_type
== QEMU_ARCH_S390X
);
2570 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2571 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2573 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2574 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2575 if (!sclp_hds
[index
]) {
2576 fprintf(stderr
, "qemu: could not connect sclp console"
2577 " to character backend '%s'\n", devname
);
2580 qemu_opt_set(dev_opts
, "chardev", label
);
2586 static int debugcon_parse(const char *devname
)
2590 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2593 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2595 fprintf(stderr
, "qemu: already have a debugcon device\n");
2598 qemu_opt_set(opts
, "driver", "isa-debugcon");
2599 qemu_opt_set(opts
, "chardev", "debugcon");
2603 static QEMUMachine
*machine_parse(const char *name
)
2605 QEMUMachine
*m
, *machine
= NULL
;
2608 machine
= find_machine(name
);
2613 printf("Supported machines are:\n");
2614 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2616 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2618 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2619 m
->is_default
? " (default)" : "");
2621 exit(!name
|| !is_help_option(name
));
2624 static int tcg_init(void)
2626 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2631 const char *opt_name
;
2633 int (*available
)(void);
2637 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2638 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2639 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2640 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2643 static int configure_accelerator(void)
2645 const char *p
= NULL
;
2648 bool accel_initialised
= false;
2649 bool init_failed
= false;
2651 QemuOptsList
*list
= qemu_find_opts("machine");
2652 if (!QTAILQ_EMPTY(&list
->head
)) {
2653 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2657 /* Use the default "accelerator", tcg */
2661 while (!accel_initialised
&& *p
!= '\0') {
2665 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2666 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2667 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2668 if (!accel_list
[i
].available()) {
2669 printf("%s not supported for this target\n",
2670 accel_list
[i
].name
);
2673 *(accel_list
[i
].allowed
) = true;
2674 ret
= accel_list
[i
].init();
2677 fprintf(stderr
, "failed to initialize %s: %s\n",
2680 *(accel_list
[i
].allowed
) = false;
2682 accel_initialised
= true;
2687 if (i
== ARRAY_SIZE(accel_list
)) {
2688 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2692 if (!accel_initialised
) {
2694 fprintf(stderr
, "No accelerator found!\n");
2700 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2703 return !accel_initialised
;
2706 void qemu_add_exit_notifier(Notifier
*notify
)
2708 notifier_list_add(&exit_notifiers
, notify
);
2711 void qemu_remove_exit_notifier(Notifier
*notify
)
2713 notifier_remove(notify
);
2716 static void qemu_run_exit_notifiers(void)
2718 notifier_list_notify(&exit_notifiers
, NULL
);
2721 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2723 notifier_list_add(&machine_init_done_notifiers
, notify
);
2726 static void qemu_run_machine_init_done_notifiers(void)
2728 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2731 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2732 const char **poptarg
, int *poptind
)
2734 const QEMUOption
*popt
;
2735 int optind
= *poptind
;
2736 char *r
= argv
[optind
];
2739 loc_set_cmdline(argv
, optind
, 1);
2741 /* Treat --foo the same as -foo. */
2744 popt
= qemu_options
;
2747 error_report("invalid option");
2750 if (!strcmp(popt
->name
, r
+ 1))
2754 if (popt
->flags
& HAS_ARG
) {
2755 if (optind
>= argc
) {
2756 error_report("requires an argument");
2759 optarg
= argv
[optind
++];
2760 loc_set_cmdline(argv
, optind
- 2, 2);
2771 static gpointer
malloc_and_trace(gsize n_bytes
)
2773 void *ptr
= malloc(n_bytes
);
2774 trace_g_malloc(n_bytes
, ptr
);
2778 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2780 void *ptr
= realloc(mem
, n_bytes
);
2781 trace_g_realloc(mem
, n_bytes
, ptr
);
2785 static void free_and_trace(gpointer mem
)
2791 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2793 Object
*obj
= OBJECT(opaque
);
2794 StringInputVisitor
*siv
;
2795 Error
*local_err
= NULL
;
2797 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2801 siv
= string_input_visitor_new(value
);
2802 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2803 string_input_visitor_cleanup(siv
);
2806 qerror_report_err(local_err
);
2807 error_free(local_err
);
2814 static int object_create(QemuOpts
*opts
, void *opaque
)
2816 const char *type
= qemu_opt_get(opts
, "qom-type");
2817 const char *id
= qemu_opts_id(opts
);
2820 g_assert(type
!= NULL
);
2823 qerror_report(QERR_MISSING_PARAMETER
, "id");
2827 obj
= object_new(type
);
2828 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2832 object_property_add_child(container_get(object_get_root(), "/objects"),
2838 int main(int argc
, char **argv
, char **envp
)
2841 int snapshot
, linux_boot
;
2842 const char *icount_option
= NULL
;
2843 const char *initrd_filename
;
2844 const char *kernel_filename
, *kernel_cmdline
;
2845 char boot_devices
[33] = "";
2847 int cyls
, heads
, secs
, translation
;
2848 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2849 QemuOptsList
*olist
;
2852 const char *loadvm
= NULL
;
2853 QEMUMachine
*machine
;
2854 const char *cpu_model
;
2855 const char *vga_model
= "none";
2856 const char *pid_file
= NULL
;
2857 const char *incoming
= NULL
;
2859 int show_vnc_port
= 0;
2861 bool defconfig
= true;
2862 bool userconfig
= true;
2863 const char *log_mask
= NULL
;
2864 const char *log_file
= NULL
;
2865 GMemVTable mem_trace
= {
2866 .malloc
= malloc_and_trace
,
2867 .realloc
= realloc_and_trace
,
2868 .free
= free_and_trace
,
2870 const char *trace_events
= NULL
;
2871 const char *trace_file
= NULL
;
2873 atexit(qemu_run_exit_notifiers
);
2874 error_set_progname(argv
[0]);
2876 g_mem_set_vtable(&mem_trace
);
2877 if (!g_thread_supported()) {
2878 #if !GLIB_CHECK_VERSION(2, 31, 0)
2879 g_thread_init(NULL
);
2881 fprintf(stderr
, "glib threading failed to initialize.\n");
2886 module_call_init(MODULE_INIT_QOM
);
2888 qemu_add_opts(&qemu_drive_opts
);
2889 qemu_add_opts(&qemu_chardev_opts
);
2890 qemu_add_opts(&qemu_device_opts
);
2891 qemu_add_opts(&qemu_netdev_opts
);
2892 qemu_add_opts(&qemu_net_opts
);
2893 qemu_add_opts(&qemu_rtc_opts
);
2894 qemu_add_opts(&qemu_global_opts
);
2895 qemu_add_opts(&qemu_mon_opts
);
2896 qemu_add_opts(&qemu_trace_opts
);
2897 qemu_add_opts(&qemu_option_rom_opts
);
2898 qemu_add_opts(&qemu_machine_opts
);
2899 qemu_add_opts(&qemu_boot_opts
);
2900 qemu_add_opts(&qemu_sandbox_opts
);
2901 qemu_add_opts(&qemu_add_fd_opts
);
2902 qemu_add_opts(&qemu_object_opts
);
2903 qemu_add_opts(&qemu_tpmdev_opts
);
2904 qemu_add_opts(&qemu_realtime_opts
);
2909 rtc_clock
= host_clock
;
2911 qemu_cache_utils_init(envp
);
2913 QLIST_INIT (&vm_change_state_head
);
2914 os_setup_early_signal_handling();
2916 module_call_init(MODULE_INIT_MACHINE
);
2917 machine
= find_default_machine();
2921 cyls
= heads
= secs
= 0;
2922 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2924 for (i
= 0; i
< MAX_NODES
; i
++) {
2926 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2932 bdrv_init_with_whitelist();
2936 /* first pass of option parsing */
2938 while (optind
< argc
) {
2939 if (argv
[optind
][0] != '-') {
2944 const QEMUOption
*popt
;
2946 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2947 switch (popt
->index
) {
2948 case QEMU_OPTION_nodefconfig
:
2951 case QEMU_OPTION_nouserconfig
:
2960 ret
= qemu_read_default_config_files(userconfig
);
2966 /* second pass of option parsing */
2971 if (argv
[optind
][0] != '-') {
2972 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2974 const QEMUOption
*popt
;
2976 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2977 if (!(popt
->arch_mask
& arch_type
)) {
2978 printf("Option %s not supported for this target\n", popt
->name
);
2981 switch(popt
->index
) {
2983 machine
= machine_parse(optarg
);
2985 case QEMU_OPTION_no_kvm_irqchip
: {
2986 olist
= qemu_find_opts("machine");
2987 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2990 case QEMU_OPTION_cpu
:
2991 /* hw initialization will check this */
2994 case QEMU_OPTION_hda
:
2998 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3000 snprintf(buf
, sizeof(buf
),
3001 "%s,cyls=%d,heads=%d,secs=%d%s",
3002 HD_OPTS
, cyls
, heads
, secs
,
3003 translation
== BIOS_ATA_TRANSLATION_LBA
?
3005 translation
== BIOS_ATA_TRANSLATION_NONE
?
3006 ",trans=none" : "");
3007 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3010 case QEMU_OPTION_hdb
:
3011 case QEMU_OPTION_hdc
:
3012 case QEMU_OPTION_hdd
:
3013 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3016 case QEMU_OPTION_drive
:
3017 if (drive_def(optarg
) == NULL
) {
3021 case QEMU_OPTION_set
:
3022 if (qemu_set_option(optarg
) != 0)
3025 case QEMU_OPTION_global
:
3026 if (qemu_global_option(optarg
) != 0)
3029 case QEMU_OPTION_mtdblock
:
3030 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3032 case QEMU_OPTION_sd
:
3033 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3035 case QEMU_OPTION_pflash
:
3036 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3038 case QEMU_OPTION_snapshot
:
3041 case QEMU_OPTION_hdachs
:
3045 cyls
= strtol(p
, (char **)&p
, 0);
3046 if (cyls
< 1 || cyls
> 16383)
3051 heads
= strtol(p
, (char **)&p
, 0);
3052 if (heads
< 1 || heads
> 16)
3057 secs
= strtol(p
, (char **)&p
, 0);
3058 if (secs
< 1 || secs
> 63)
3062 if (!strcmp(p
, "none"))
3063 translation
= BIOS_ATA_TRANSLATION_NONE
;
3064 else if (!strcmp(p
, "lba"))
3065 translation
= BIOS_ATA_TRANSLATION_LBA
;
3066 else if (!strcmp(p
, "auto"))
3067 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3070 } else if (*p
!= '\0') {
3072 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3075 if (hda_opts
!= NULL
) {
3077 snprintf(num
, sizeof(num
), "%d", cyls
);
3078 qemu_opt_set(hda_opts
, "cyls", num
);
3079 snprintf(num
, sizeof(num
), "%d", heads
);
3080 qemu_opt_set(hda_opts
, "heads", num
);
3081 snprintf(num
, sizeof(num
), "%d", secs
);
3082 qemu_opt_set(hda_opts
, "secs", num
);
3083 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3084 qemu_opt_set(hda_opts
, "trans", "lba");
3085 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3086 qemu_opt_set(hda_opts
, "trans", "none");
3090 case QEMU_OPTION_numa
:
3093 case QEMU_OPTION_display
:
3094 display_type
= select_display(optarg
);
3096 case QEMU_OPTION_nographic
:
3097 display_type
= DT_NOGRAPHIC
;
3099 case QEMU_OPTION_curses
:
3100 #ifdef CONFIG_CURSES
3101 display_type
= DT_CURSES
;
3103 fprintf(stderr
, "Curses support is disabled\n");
3107 case QEMU_OPTION_portrait
:
3108 graphic_rotate
= 90;
3110 case QEMU_OPTION_rotate
:
3111 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3112 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3113 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3115 "qemu: only 90, 180, 270 deg rotation is available\n");
3119 case QEMU_OPTION_kernel
:
3120 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3122 case QEMU_OPTION_initrd
:
3123 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3125 case QEMU_OPTION_append
:
3126 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3128 case QEMU_OPTION_dtb
:
3129 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3131 case QEMU_OPTION_cdrom
:
3132 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3134 case QEMU_OPTION_boot
:
3136 static const char * const params
[] = {
3137 "order", "once", "menu",
3138 "splash", "splash-time",
3139 "reboot-timeout", "strict", NULL
3141 char buf
[sizeof(boot_devices
)];
3142 char *standard_boot_devices
;
3145 if (!strchr(optarg
, '=')) {
3147 pstrcpy(buf
, sizeof(buf
), optarg
);
3148 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3150 "qemu: unknown boot parameter '%s' in '%s'\n",
3156 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3157 validate_bootdevices(buf
);
3158 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3161 if (get_param_value(buf
, sizeof(buf
),
3163 validate_bootdevices(buf
);
3164 standard_boot_devices
= g_strdup(boot_devices
);
3165 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3166 qemu_register_reset(restore_boot_devices
,
3167 standard_boot_devices
);
3169 if (get_param_value(buf
, sizeof(buf
),
3171 if (!strcmp(buf
, "on")) {
3173 } else if (!strcmp(buf
, "off")) {
3177 "qemu: invalid option value '%s'\n",
3182 if (get_param_value(buf
, sizeof(buf
),
3183 "strict", optarg
)) {
3184 if (!strcmp(buf
, "on")) {
3186 } else if (!strcmp(buf
, "off")) {
3187 boot_strict
= false;
3190 "qemu: invalid option value '%s'\n",
3195 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3202 case QEMU_OPTION_fda
:
3203 case QEMU_OPTION_fdb
:
3204 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3207 case QEMU_OPTION_no_fd_bootchk
:
3210 case QEMU_OPTION_netdev
:
3211 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3215 case QEMU_OPTION_net
:
3216 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3220 #ifdef CONFIG_LIBISCSI
3221 case QEMU_OPTION_iscsi
:
3222 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3229 case QEMU_OPTION_tftp
:
3230 legacy_tftp_prefix
= optarg
;
3232 case QEMU_OPTION_bootp
:
3233 legacy_bootp_filename
= optarg
;
3235 case QEMU_OPTION_redir
:
3236 if (net_slirp_redir(optarg
) < 0)
3240 case QEMU_OPTION_bt
:
3241 add_device_config(DEV_BT
, optarg
);
3243 case QEMU_OPTION_audio_help
:
3247 case QEMU_OPTION_soundhw
:
3248 select_soundhw (optarg
);
3253 case QEMU_OPTION_version
:
3257 case QEMU_OPTION_m
: {
3262 value
= strtosz(optarg
, &end
);
3263 if (value
< 0 || *end
) {
3264 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3267 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3269 if (ram_size
!= sz
) {
3270 fprintf(stderr
, "qemu: ram size too large\n");
3276 case QEMU_OPTION_tpmdev
:
3277 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3282 case QEMU_OPTION_mempath
:
3286 case QEMU_OPTION_mem_prealloc
:
3297 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3299 case QEMU_OPTION_gdb
:
3300 add_device_config(DEV_GDB
, optarg
);
3303 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3304 data_dir
[data_dir_idx
++] = optarg
;
3307 case QEMU_OPTION_bios
:
3310 case QEMU_OPTION_singlestep
:
3317 keyboard_layout
= optarg
;
3319 case QEMU_OPTION_localtime
:
3322 case QEMU_OPTION_vga
:
3331 w
= strtol(p
, (char **)&p
, 10);
3334 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3340 h
= strtol(p
, (char **)&p
, 10);
3345 depth
= strtol(p
, (char **)&p
, 10);
3346 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3347 depth
!= 24 && depth
!= 32)
3349 } else if (*p
== '\0') {
3350 depth
= graphic_depth
;
3357 graphic_depth
= depth
;
3360 case QEMU_OPTION_echr
:
3363 term_escape_char
= strtol(optarg
, &r
, 0);
3365 printf("Bad argument to echr\n");
3368 case QEMU_OPTION_monitor
:
3369 default_monitor
= 0;
3370 if (strncmp(optarg
, "none", 4)) {
3371 monitor_parse(optarg
, "readline");
3374 case QEMU_OPTION_qmp
:
3375 monitor_parse(optarg
, "control");
3376 default_monitor
= 0;
3378 case QEMU_OPTION_mon
:
3379 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3383 default_monitor
= 0;
3385 case QEMU_OPTION_chardev
:
3386 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3391 case QEMU_OPTION_fsdev
:
3392 olist
= qemu_find_opts("fsdev");
3394 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3397 opts
= qemu_opts_parse(olist
, optarg
, 1);
3402 case QEMU_OPTION_virtfs
: {
3405 const char *writeout
, *sock_fd
, *socket
;
3407 olist
= qemu_find_opts("virtfs");
3409 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3412 opts
= qemu_opts_parse(olist
, optarg
, 1);
3417 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3418 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3419 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3422 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3423 qemu_opt_get(opts
, "mount_tag"),
3426 fprintf(stderr
, "duplicate fsdev id: %s\n",
3427 qemu_opt_get(opts
, "mount_tag"));
3431 writeout
= qemu_opt_get(opts
, "writeout");
3433 #ifdef CONFIG_SYNC_FILE_RANGE
3434 qemu_opt_set(fsdev
, "writeout", writeout
);
3436 fprintf(stderr
, "writeout=immediate not supported on "
3441 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3442 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3443 qemu_opt_set(fsdev
, "security_model",
3444 qemu_opt_get(opts
, "security_model"));
3445 socket
= qemu_opt_get(opts
, "socket");
3447 qemu_opt_set(fsdev
, "socket", socket
);
3449 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3451 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3454 qemu_opt_set_bool(fsdev
, "readonly",
3455 qemu_opt_get_bool(opts
, "readonly", 0));
3456 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3457 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3458 qemu_opt_set(device
, "fsdev",
3459 qemu_opt_get(opts
, "mount_tag"));
3460 qemu_opt_set(device
, "mount_tag",
3461 qemu_opt_get(opts
, "mount_tag"));
3464 case QEMU_OPTION_virtfs_synth
: {
3468 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3471 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3474 qemu_opt_set(fsdev
, "fsdriver", "synth");
3476 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3477 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3478 qemu_opt_set(device
, "fsdev", "v_synth");
3479 qemu_opt_set(device
, "mount_tag", "v_synth");
3482 case QEMU_OPTION_serial
:
3483 add_device_config(DEV_SERIAL
, optarg
);
3485 if (strncmp(optarg
, "mon:", 4) == 0) {
3486 default_monitor
= 0;
3489 case QEMU_OPTION_watchdog
:
3492 "qemu: only one watchdog option may be given\n");
3497 case QEMU_OPTION_watchdog_action
:
3498 if (select_watchdog_action(optarg
) == -1) {
3499 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3503 case QEMU_OPTION_virtiocon
:
3504 add_device_config(DEV_VIRTCON
, optarg
);
3505 default_virtcon
= 0;
3506 if (strncmp(optarg
, "mon:", 4) == 0) {
3507 default_monitor
= 0;
3510 case QEMU_OPTION_parallel
:
3511 add_device_config(DEV_PARALLEL
, optarg
);
3512 default_parallel
= 0;
3513 if (strncmp(optarg
, "mon:", 4) == 0) {
3514 default_monitor
= 0;
3517 case QEMU_OPTION_debugcon
:
3518 add_device_config(DEV_DEBUGCON
, optarg
);
3520 case QEMU_OPTION_loadvm
:
3523 case QEMU_OPTION_full_screen
:
3527 case QEMU_OPTION_no_frame
:
3530 case QEMU_OPTION_alt_grab
:
3533 case QEMU_OPTION_ctrl_grab
:
3536 case QEMU_OPTION_no_quit
:
3539 case QEMU_OPTION_sdl
:
3540 display_type
= DT_SDL
;
3543 case QEMU_OPTION_no_frame
:
3544 case QEMU_OPTION_alt_grab
:
3545 case QEMU_OPTION_ctrl_grab
:
3546 case QEMU_OPTION_no_quit
:
3547 case QEMU_OPTION_sdl
:
3548 fprintf(stderr
, "SDL support is disabled\n");
3551 case QEMU_OPTION_pidfile
:
3554 case QEMU_OPTION_win2k_hack
:
3555 win2k_install_hack
= 1;
3557 case QEMU_OPTION_rtc_td_hack
: {
3558 static GlobalProperty slew_lost_ticks
[] = {
3560 .driver
= "mc146818rtc",
3561 .property
= "lost_tick_policy",
3564 { /* end of list */ }
3567 qdev_prop_register_global_list(slew_lost_ticks
);
3570 case QEMU_OPTION_acpitable
:
3571 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3572 g_assert(opts
!= NULL
);
3573 do_acpitable_option(opts
);
3575 case QEMU_OPTION_smbios
:
3576 do_smbios_option(optarg
);
3578 case QEMU_OPTION_enable_kvm
:
3579 olist
= qemu_find_opts("machine");
3580 qemu_opts_parse(olist
, "accel=kvm", 0);
3582 case QEMU_OPTION_machine
:
3583 olist
= qemu_find_opts("machine");
3584 opts
= qemu_opts_parse(olist
, optarg
, 1);
3588 optarg
= qemu_opt_get(opts
, "type");
3590 machine
= machine_parse(optarg
);
3593 case QEMU_OPTION_no_kvm
:
3594 olist
= qemu_find_opts("machine");
3595 qemu_opts_parse(olist
, "accel=tcg", 0);
3597 case QEMU_OPTION_no_kvm_pit
: {
3598 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3602 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3603 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3605 .driver
= "kvm-pit",
3606 .property
= "lost_tick_policy",
3609 { /* end of list */ }
3612 fprintf(stderr
, "Warning: option deprecated, use "
3613 "lost_tick_policy property of kvm-pit instead.\n");
3614 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3617 case QEMU_OPTION_usb
:
3618 olist
= qemu_find_opts("machine");
3619 qemu_opts_parse(olist
, "usb=on", 0);
3621 case QEMU_OPTION_usbdevice
:
3622 olist
= qemu_find_opts("machine");
3623 qemu_opts_parse(olist
, "usb=on", 0);
3624 add_device_config(DEV_USB
, optarg
);
3626 case QEMU_OPTION_device
:
3627 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3631 case QEMU_OPTION_smp
:
3634 fprintf(stderr
, "Invalid number of CPUs\n");
3637 if (max_cpus
< smp_cpus
) {
3638 fprintf(stderr
, "maxcpus must be equal to or greater than "
3642 if (max_cpus
> 255) {
3643 fprintf(stderr
, "Unsupported number of maxcpus\n");
3647 case QEMU_OPTION_vnc
:
3650 vnc_display
= optarg
;
3652 fprintf(stderr
, "VNC support is disabled\n");
3656 case QEMU_OPTION_no_acpi
:
3659 case QEMU_OPTION_no_hpet
:
3662 case QEMU_OPTION_balloon
:
3663 if (balloon_parse(optarg
) < 0) {
3664 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3668 case QEMU_OPTION_no_reboot
:
3671 case QEMU_OPTION_no_shutdown
:
3674 case QEMU_OPTION_show_cursor
:
3677 case QEMU_OPTION_uuid
:
3678 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3679 fprintf(stderr
, "Fail to parse UUID string."
3680 " Wrong format.\n");
3684 case QEMU_OPTION_option_rom
:
3685 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3686 fprintf(stderr
, "Too many option ROMs\n");
3689 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3693 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3694 option_rom
[nb_option_roms
].bootindex
=
3695 qemu_opt_get_number(opts
, "bootindex", -1);
3696 if (!option_rom
[nb_option_roms
].name
) {
3697 fprintf(stderr
, "Option ROM file is not specified\n");
3702 case QEMU_OPTION_semihosting
:
3703 semihosting_enabled
= 1;
3705 case QEMU_OPTION_tdf
:
3706 fprintf(stderr
, "Warning: user space PIT time drift fix "
3707 "is no longer supported.\n");
3709 case QEMU_OPTION_name
:
3710 qemu_name
= g_strdup(optarg
);
3712 char *p
= strchr(qemu_name
, ',');
3715 if (strncmp(p
, "process=", 8)) {
3716 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3720 os_set_proc_name(p
);
3724 case QEMU_OPTION_prom_env
:
3725 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3726 fprintf(stderr
, "Too many prom variables\n");
3729 prom_envs
[nb_prom_envs
] = optarg
;
3732 case QEMU_OPTION_old_param
:
3735 case QEMU_OPTION_clock
:
3736 configure_alarms(optarg
);
3738 case QEMU_OPTION_startdate
:
3739 configure_rtc_date_offset(optarg
, 1);
3741 case QEMU_OPTION_rtc
:
3742 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3746 configure_rtc(opts
);
3748 case QEMU_OPTION_tb_size
:
3749 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3750 if (tcg_tb_size
< 0) {
3754 case QEMU_OPTION_icount
:
3755 icount_option
= optarg
;
3757 case QEMU_OPTION_incoming
:
3759 runstate_set(RUN_STATE_INMIGRATE
);
3761 case QEMU_OPTION_nodefaults
:
3763 default_parallel
= 0;
3764 default_virtcon
= 0;
3766 default_monitor
= 0;
3773 case QEMU_OPTION_xen_domid
:
3774 if (!(xen_available())) {
3775 printf("Option %s not supported for this target\n", popt
->name
);
3778 xen_domid
= atoi(optarg
);
3780 case QEMU_OPTION_xen_create
:
3781 if (!(xen_available())) {
3782 printf("Option %s not supported for this target\n", popt
->name
);
3785 xen_mode
= XEN_CREATE
;
3787 case QEMU_OPTION_xen_attach
:
3788 if (!(xen_available())) {
3789 printf("Option %s not supported for this target\n", popt
->name
);
3792 xen_mode
= XEN_ATTACH
;
3794 case QEMU_OPTION_trace
:
3796 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3800 trace_events
= qemu_opt_get(opts
, "events");
3801 trace_file
= qemu_opt_get(opts
, "file");
3804 case QEMU_OPTION_readconfig
:
3806 int ret
= qemu_read_config_file(optarg
);
3808 fprintf(stderr
, "read config %s: %s\n", optarg
,
3814 case QEMU_OPTION_spice
:
3815 olist
= qemu_find_opts("spice");
3817 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3820 opts
= qemu_opts_parse(olist
, optarg
, 0);
3826 case QEMU_OPTION_writeconfig
:
3829 if (strcmp(optarg
, "-") == 0) {
3832 fp
= fopen(optarg
, "w");
3834 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3838 qemu_config_write(fp
);
3842 case QEMU_OPTION_qtest
:
3843 qtest_chrdev
= optarg
;
3845 case QEMU_OPTION_qtest_log
:
3848 case QEMU_OPTION_sandbox
:
3849 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3854 case QEMU_OPTION_add_fd
:
3856 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3861 error_report("File descriptor passing is disabled on this "
3866 case QEMU_OPTION_object
:
3867 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3872 case QEMU_OPTION_realtime
:
3873 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3877 configure_realtime(opts
);
3880 os_parse_cmd_args(popt
->index
, optarg
);
3886 if (qemu_init_main_loop()) {
3887 fprintf(stderr
, "qemu_init_main_loop failed\n");
3891 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3896 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3900 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3905 if (machine
== NULL
) {
3906 fprintf(stderr
, "No machine found.\n");
3910 if (machine
->hw_version
) {
3911 qemu_set_version(machine
->hw_version
);
3914 if (qemu_opts_foreach(qemu_find_opts("object"),
3915 object_create
, NULL
, 0) != 0) {
3919 /* Init CPU def lists, based on config
3920 * - Must be called after all the qemu_read_config_file() calls
3921 * - Must be called before list_cpus()
3922 * - Must be called before machine->init()
3926 if (cpu_model
&& is_help_option(cpu_model
)) {
3927 list_cpus(stdout
, &fprintf
, cpu_model
);
3931 /* Open the logfile at this point, if necessary. We can't open the logfile
3932 * when encountering either of the logging options (-d or -D) because the
3933 * other one may be encountered later on the command line, changing the
3934 * location or level of logging.
3939 qemu_set_log_filename(log_file
);
3942 mask
= qemu_str_to_log_mask(log_mask
);
3944 qemu_print_log_usage(stdout
);
3950 if (!trace_backend_init(trace_events
, trace_file
)) {
3954 /* If no data_dir is specified then try to find it relative to the
3956 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3957 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3958 if (data_dir
[data_dir_idx
] != NULL
) {
3962 /* If all else fails use the install path specified when building. */
3963 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3964 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3968 * Default to max_cpus = smp_cpus, in case the user doesn't
3969 * specify a max_cpus value.
3972 max_cpus
= smp_cpus
;
3974 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3975 if (smp_cpus
> machine
->max_cpus
) {
3976 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3977 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3983 * Get the default machine options from the machine if it is not already
3984 * specified either by the configuration file or by the command line.
3986 if (machine
->default_machine_opts
) {
3987 qemu_opts_set_defaults(qemu_find_opts("machine"),
3988 machine
->default_machine_opts
, 0);
3991 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3992 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3994 if (machine
->no_serial
) {
3997 if (machine
->no_parallel
) {
3998 default_parallel
= 0;
4000 if (!machine
->use_virtcon
) {
4001 default_virtcon
= 0;
4003 if (!machine
->use_sclp
) {
4006 if (machine
->no_floppy
) {
4009 if (machine
->no_cdrom
) {
4012 if (machine
->no_sdcard
) {
4016 if (is_daemonized()) {
4017 /* According to documentation and historically, -nographic redirects
4018 * serial port, parallel port and monitor to stdio, which does not work
4019 * with -daemonize. We can redirect these to null instead, but since
4020 * -nographic is legacy, let's just error out.
4021 * We disallow -nographic only if all other ports are not redirected
4022 * explicitly, to not break existing legacy setups which uses
4023 * -nographic _and_ redirects all ports explicitly - this is valid
4024 * usage, -nographic is just a no-op in this case.
4026 if (display_type
== DT_NOGRAPHIC
4027 && (default_parallel
|| default_serial
4028 || default_monitor
|| default_virtcon
)) {
4029 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4032 #ifdef CONFIG_CURSES
4033 if (display_type
== DT_CURSES
) {
4034 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4040 if (display_type
== DT_NOGRAPHIC
) {
4041 if (default_parallel
)
4042 add_device_config(DEV_PARALLEL
, "null");
4043 if (default_serial
&& default_monitor
) {
4044 add_device_config(DEV_SERIAL
, "mon:stdio");
4045 } else if (default_virtcon
&& default_monitor
) {
4046 add_device_config(DEV_VIRTCON
, "mon:stdio");
4047 } else if (default_sclp
&& default_monitor
) {
4048 add_device_config(DEV_SCLP
, "mon:stdio");
4051 add_device_config(DEV_SERIAL
, "stdio");
4052 if (default_virtcon
)
4053 add_device_config(DEV_VIRTCON
, "stdio");
4055 add_device_config(DEV_SCLP
, "stdio");
4057 if (default_monitor
)
4058 monitor_parse("stdio", "readline");
4062 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4063 if (default_parallel
)
4064 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4065 if (default_monitor
)
4066 monitor_parse("vc:80Cx24C", "readline");
4067 if (default_virtcon
)
4068 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4070 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4074 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4075 #if defined(CONFIG_GTK)
4076 display_type
= DT_GTK
;
4077 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4078 display_type
= DT_SDL
;
4079 #elif defined(CONFIG_VNC)
4080 vnc_display
= "localhost:0,to=99";
4083 display_type
= DT_NONE
;
4087 #if defined(CONFIG_GTK)
4088 if (display_type
== DT_GTK
) {
4089 early_gtk_display_init();
4095 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4097 #ifdef CONFIG_VIRTFS
4098 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4105 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4110 /* init the memory */
4111 if (ram_size
== 0) {
4112 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4115 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4120 configure_accelerator();
4122 if (!qtest_enabled() && qtest_chrdev
) {
4126 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4128 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4129 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4130 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4132 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4135 if (!kernel_cmdline
) {
4136 kernel_cmdline
= "";
4139 linux_boot
= (kernel_filename
!= NULL
);
4141 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4142 fprintf(stderr
, "-append only allowed with -kernel option\n");
4146 if (!linux_boot
&& initrd_filename
!= NULL
) {
4147 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4151 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4152 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4156 os_set_line_buffering();
4158 qemu_init_cpu_loop();
4159 qemu_mutex_lock_iothread();
4162 /* spice needs the timers to be initialized by this point */
4166 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4167 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4170 configure_icount(icount_option
);
4172 /* clean up network at qemu process termination */
4173 atexit(&net_cleanup
);
4175 if (net_init_clients() < 0) {
4180 if (tpm_init() < 0) {
4185 /* init the bluetooth world */
4186 if (foreach_device_config(DEV_BT
, bt_parse
))
4189 if (!xen_enabled()) {
4190 /* On 32-bit hosts, QEMU is limited by virtual address space */
4191 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4192 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4197 cpu_exec_init_all();
4201 /* open the virtual block devices */
4203 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4204 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4205 &machine
->block_default_type
, 1) != 0) {
4209 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4211 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4212 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4214 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4216 if (nb_numa_nodes
> 0) {
4219 if (nb_numa_nodes
> MAX_NODES
) {
4220 nb_numa_nodes
= MAX_NODES
;
4223 /* If no memory size if given for any node, assume the default case
4224 * and distribute the available memory equally across all nodes
4226 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4227 if (node_mem
[i
] != 0)
4230 if (i
== nb_numa_nodes
) {
4231 uint64_t usedmem
= 0;
4233 /* On Linux, the each node's border has to be 8MB aligned,
4234 * the final node gets the rest.
4236 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4237 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4238 usedmem
+= node_mem
[i
];
4240 node_mem
[i
] = ram_size
- usedmem
;
4243 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4244 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4248 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4249 * must cope with this anyway, because there are BIOSes out there in
4250 * real machines which also use this scheme.
4252 if (i
== nb_numa_nodes
) {
4253 for (i
= 0; i
< max_cpus
; i
++) {
4254 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4259 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4263 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4265 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4267 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4269 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4272 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4275 /* If no default VGA is requested, the default is "none". */
4277 if (cirrus_vga_available()) {
4278 vga_model
= "cirrus";
4279 } else if (vga_available()) {
4283 select_vgahw(vga_model
);
4286 i
= select_watchdog(watchdog
);
4288 exit (i
== 1 ? 1 : 0);
4291 if (machine
->compat_props
) {
4292 qdev_prop_register_global_list(machine
->compat_props
);
4296 qdev_machine_init();
4298 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4299 .boot_device
= (boot_devices
[0] == '\0') ?
4300 machine
->boot_order
:
4302 .kernel_filename
= kernel_filename
,
4303 .kernel_cmdline
= kernel_cmdline
,
4304 .initrd_filename
= initrd_filename
,
4305 .cpu_model
= cpu_model
};
4306 machine
->init(&args
);
4310 cpu_synchronize_all_post_init();
4314 current_machine
= machine
;
4316 /* init USB devices */
4317 if (usb_enabled(false)) {
4318 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4322 /* init generic devices */
4323 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4326 net_check_clients();
4328 ds
= init_displaystate();
4330 /* init local displays */
4331 switch (display_type
) {
4334 #if defined(CONFIG_CURSES)
4336 curses_display_init(ds
, full_screen
);
4339 #if defined(CONFIG_SDL)
4341 sdl_display_init(ds
, full_screen
, no_frame
);
4343 #elif defined(CONFIG_COCOA)
4345 cocoa_display_init(ds
, full_screen
);
4348 #if defined(CONFIG_GTK)
4350 gtk_display_init(ds
);
4357 /* must be after terminal init, SDL library changes signal handlers */
4358 os_setup_signal_handling();
4361 /* init remote displays */
4363 Error
*local_err
= NULL
;
4364 vnc_display_init(ds
);
4365 vnc_display_open(ds
, vnc_display
, &local_err
);
4366 if (local_err
!= NULL
) {
4367 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4368 vnc_display
, error_get_pretty(local_err
));
4369 error_free(local_err
);
4373 if (show_vnc_port
) {
4374 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4379 if (using_spice
&& !qxl_enabled
) {
4380 qemu_spice_display_init(ds
);
4384 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4388 qdev_machine_creation_done();
4390 if (rom_load_all() != 0) {
4391 fprintf(stderr
, "rom loading failed\n");
4395 /* TODO: once all bus devices are qdevified, this should be done
4396 * when bus is created by qdev.c */
4397 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4398 qemu_run_machine_init_done_notifiers();
4400 qemu_system_reset(VMRESET_SILENT
);
4402 if (load_vmstate(loadvm
) < 0) {
4408 Error
*local_err
= NULL
;
4409 qemu_start_incoming_migration(incoming
, &local_err
);
4411 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4412 error_free(local_err
);
4415 } else if (autostart
) {