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;
202 static int no_frame
= 0;
204 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
205 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
206 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
207 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
208 int win2k_install_hack
= 0;
215 const char *vnc_display
;
217 int acpi_enabled
= 1;
220 static int no_reboot
;
223 int graphic_rotate
= 0;
224 const char *watchdog
;
225 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
227 int semihosting_enabled
= 0;
229 const char *qemu_name
;
232 unsigned int nb_prom_envs
= 0;
233 const char *prom_envs
[MAX_PROM_ENVS
];
236 uint8_t *boot_splash_filedata
;
237 size_t boot_splash_filedata_size
;
238 uint8_t qemu_extra_params_fw
[2];
240 typedef struct FWBootEntry FWBootEntry
;
243 QTAILQ_ENTRY(FWBootEntry
) link
;
249 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
250 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
253 uint64_t node_mem
[MAX_NODES
];
254 unsigned long *node_cpumask
[MAX_NODES
];
256 uint8_t qemu_uuid
[16];
258 static QEMUBootSetHandler
*boot_set_handler
;
259 static void *boot_set_opaque
;
261 static NotifierList exit_notifiers
=
262 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
264 static NotifierList machine_init_done_notifiers
=
265 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
267 static bool tcg_allowed
= true;
270 enum xen_mode xen_mode
= XEN_EMULATE
;
271 static int tcg_tb_size
;
273 static int default_serial
= 1;
274 static int default_parallel
= 1;
275 static int default_virtcon
= 1;
276 static int default_sclp
= 1;
277 static int default_monitor
= 1;
278 static int default_floppy
= 1;
279 static int default_cdrom
= 1;
280 static int default_sdcard
= 1;
281 static int default_vga
= 1;
287 { .driver
= "isa-serial", .flag
= &default_serial
},
288 { .driver
= "isa-parallel", .flag
= &default_parallel
},
289 { .driver
= "isa-fdc", .flag
= &default_floppy
},
290 { .driver
= "ide-cd", .flag
= &default_cdrom
},
291 { .driver
= "ide-hd", .flag
= &default_cdrom
},
292 { .driver
= "ide-drive", .flag
= &default_cdrom
},
293 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
294 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
295 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
296 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
297 { .driver
= "VGA", .flag
= &default_vga
},
298 { .driver
= "isa-vga", .flag
= &default_vga
},
299 { .driver
= "cirrus-vga", .flag
= &default_vga
},
300 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
301 { .driver
= "vmware-svga", .flag
= &default_vga
},
302 { .driver
= "qxl-vga", .flag
= &default_vga
},
305 static QemuOptsList qemu_rtc_opts
= {
307 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
311 .type
= QEMU_OPT_STRING
,
314 .type
= QEMU_OPT_STRING
,
317 .type
= QEMU_OPT_STRING
,
319 { /* end of list */ }
323 static QemuOptsList qemu_sandbox_opts
= {
325 .implied_opt_name
= "enable",
326 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
330 .type
= QEMU_OPT_BOOL
,
332 { /* end of list */ }
336 static QemuOptsList qemu_trace_opts
= {
338 .implied_opt_name
= "trace",
339 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
343 .type
= QEMU_OPT_STRING
,
346 .type
= QEMU_OPT_STRING
,
348 { /* end of list */ }
352 static QemuOptsList qemu_option_rom_opts
= {
353 .name
= "option-rom",
354 .implied_opt_name
= "romfile",
355 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
359 .type
= QEMU_OPT_NUMBER
,
362 .type
= QEMU_OPT_STRING
,
364 { /* end of list */ }
368 static QemuOptsList qemu_machine_opts
= {
370 .implied_opt_name
= "type",
372 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
376 .type
= QEMU_OPT_STRING
,
377 .help
= "emulated machine"
380 .type
= QEMU_OPT_STRING
,
381 .help
= "accelerator list",
383 .name
= "kernel_irqchip",
384 .type
= QEMU_OPT_BOOL
,
385 .help
= "use KVM in-kernel irqchip",
387 .name
= "kvm_shadow_mem",
388 .type
= QEMU_OPT_SIZE
,
389 .help
= "KVM shadow MMU size",
392 .type
= QEMU_OPT_STRING
,
393 .help
= "Linux kernel image file",
396 .type
= QEMU_OPT_STRING
,
397 .help
= "Linux initial ramdisk file",
400 .type
= QEMU_OPT_STRING
,
401 .help
= "Linux kernel command line",
404 .type
= QEMU_OPT_STRING
,
405 .help
= "Linux kernel device tree file",
408 .type
= QEMU_OPT_STRING
,
409 .help
= "Dump current dtb to a file and quit",
411 .name
= "phandle_start",
412 .type
= QEMU_OPT_STRING
,
413 .help
= "The first phandle ID we may generate dynamically",
415 .name
= "dt_compatible",
416 .type
= QEMU_OPT_STRING
,
417 .help
= "Overrides the \"compatible\" property of the dt root node",
419 .name
= "dump-guest-core",
420 .type
= QEMU_OPT_BOOL
,
421 .help
= "Include guest memory in a core dump",
424 .type
= QEMU_OPT_BOOL
,
425 .help
= "enable/disable memory merge support",
428 .type
= QEMU_OPT_BOOL
,
429 .help
= "Set on/off to enable/disable usb",
431 { /* End of list */ }
435 static QemuOptsList qemu_boot_opts
= {
437 .implied_opt_name
= "order",
439 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
443 .type
= QEMU_OPT_STRING
,
446 .type
= QEMU_OPT_STRING
,
449 .type
= QEMU_OPT_BOOL
,
452 .type
= QEMU_OPT_STRING
,
454 .name
= "splash-time",
455 .type
= QEMU_OPT_STRING
,
457 .name
= "reboot-timeout",
458 .type
= QEMU_OPT_STRING
,
461 .type
= QEMU_OPT_STRING
,
467 static QemuOptsList qemu_add_fd_opts
= {
469 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
473 .type
= QEMU_OPT_NUMBER
,
474 .help
= "file descriptor of which a duplicate is added to fd set",
477 .type
= QEMU_OPT_NUMBER
,
478 .help
= "ID of the fd set to add fd to",
481 .type
= QEMU_OPT_STRING
,
482 .help
= "free-form string used to describe fd",
484 { /* end of list */ }
488 static QemuOptsList qemu_object_opts
= {
490 .implied_opt_name
= "qom-type",
491 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
497 static QemuOptsList qemu_tpmdev_opts
= {
499 .implied_opt_name
= "type",
500 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
502 /* options are defined in the TPM backends */
503 { /* end of list */ }
507 static QemuOptsList qemu_realtime_opts
= {
509 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
513 .type
= QEMU_OPT_BOOL
,
515 { /* end of list */ }
519 const char *qemu_get_vm_name(void)
524 static void res_free(void)
526 if (boot_splash_filedata
!= NULL
) {
527 g_free(boot_splash_filedata
);
528 boot_splash_filedata
= NULL
;
532 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
534 const char *driver
= qemu_opt_get(opts
, "driver");
539 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
540 if (strcmp(default_list
[i
].driver
, driver
) != 0)
542 *(default_list
[i
].flag
) = 0;
547 /***********************************************************/
550 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
555 } RunStateTransition
;
557 static const RunStateTransition runstate_transitions_def
[] = {
559 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
561 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
562 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
564 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
565 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
567 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
568 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
570 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
571 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
573 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
574 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
576 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
577 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
580 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
581 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
583 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
585 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
586 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
587 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
588 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
589 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
590 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
591 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
592 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
593 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
594 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
596 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
598 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
599 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
602 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
603 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
604 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
607 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
609 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PAUSED
},
610 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_DEBUG
},
613 { RUN_STATE_MAX
, RUN_STATE_MAX
},
616 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
618 bool runstate_check(RunState state
)
620 return current_run_state
== state
;
623 static void runstate_init(void)
625 const RunStateTransition
*p
;
627 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
629 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
630 runstate_valid_transitions
[p
->from
][p
->to
] = true;
634 /* This function will abort() on invalid state transitions */
635 void runstate_set(RunState new_state
)
637 assert(new_state
< RUN_STATE_MAX
);
639 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
640 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
641 RunState_lookup
[current_run_state
],
642 RunState_lookup
[new_state
]);
645 trace_runstate_set(new_state
);
646 current_run_state
= new_state
;
649 int runstate_is_running(void)
651 return runstate_check(RUN_STATE_RUNNING
);
654 bool runstate_needs_reset(void)
656 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
657 runstate_check(RUN_STATE_SHUTDOWN
) ||
658 runstate_check(RUN_STATE_GUEST_PANICKED
);
661 StatusInfo
*qmp_query_status(Error
**errp
)
663 StatusInfo
*info
= g_malloc0(sizeof(*info
));
665 info
->running
= runstate_is_running();
666 info
->singlestep
= singlestep
;
667 info
->status
= current_run_state
;
672 /***********************************************************/
673 /* real time host monotonic timer */
675 /***********************************************************/
676 /* host time/date access */
677 void qemu_get_timedate(struct tm
*tm
, int offset
)
683 if (rtc_date_offset
== -1) {
687 localtime_r(&ti
, tm
);
689 ti
-= rtc_date_offset
;
694 int qemu_timedate_diff(struct tm
*tm
)
698 if (rtc_date_offset
== -1)
700 seconds
= mktimegm(tm
);
703 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
704 seconds
= mktime(&tmp
);
707 seconds
= mktimegm(tm
) + rtc_date_offset
;
709 return seconds
- time(NULL
);
712 void rtc_change_mon_event(struct tm
*tm
)
716 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
717 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
718 qobject_decref(data
);
721 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
723 time_t rtc_start_date
;
726 if (!strcmp(startdate
, "now") && legacy
) {
727 rtc_date_offset
= -1;
729 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
737 } else if (sscanf(startdate
, "%d-%d-%d",
749 rtc_start_date
= mktimegm(&tm
);
750 if (rtc_start_date
== -1) {
752 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
753 "'2006-06-17T16:01:21' or '2006-06-17'\n");
756 rtc_date_offset
= time(NULL
) - rtc_start_date
;
760 static void configure_rtc(QemuOpts
*opts
)
764 value
= qemu_opt_get(opts
, "base");
766 if (!strcmp(value
, "utc")) {
768 } else if (!strcmp(value
, "localtime")) {
771 configure_rtc_date_offset(value
, 0);
774 value
= qemu_opt_get(opts
, "clock");
776 if (!strcmp(value
, "host")) {
777 rtc_clock
= host_clock
;
778 } else if (!strcmp(value
, "rt")) {
779 rtc_clock
= rt_clock
;
780 } else if (!strcmp(value
, "vm")) {
781 rtc_clock
= vm_clock
;
783 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
787 value
= qemu_opt_get(opts
, "driftfix");
789 if (!strcmp(value
, "slew")) {
790 static GlobalProperty slew_lost_ticks
[] = {
792 .driver
= "mc146818rtc",
793 .property
= "lost_tick_policy",
796 { /* end of list */ }
799 qdev_prop_register_global_list(slew_lost_ticks
);
800 } else if (!strcmp(value
, "none")) {
801 /* discard is default */
803 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
809 /***********************************************************/
810 /* Bluetooth support */
813 static struct HCIInfo
*hci_table
[MAX_NICS
];
815 static struct bt_vlan_s
{
816 struct bt_scatternet_s net
;
818 struct bt_vlan_s
*next
;
821 /* find or alloc a new bluetooth "VLAN" */
822 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
824 struct bt_vlan_s
**pvlan
, *vlan
;
825 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
829 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
831 pvlan
= &first_bt_vlan
;
832 while (*pvlan
!= NULL
)
833 pvlan
= &(*pvlan
)->next
;
838 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
842 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
847 static struct HCIInfo null_hci
= {
848 .cmd_send
= null_hci_send
,
849 .sco_send
= null_hci_send
,
850 .acl_send
= null_hci_send
,
851 .bdaddr_set
= null_hci_addr_set
,
854 struct HCIInfo
*qemu_next_hci(void)
856 if (cur_hci
== nb_hcis
)
859 return hci_table
[cur_hci
++];
862 static struct HCIInfo
*hci_init(const char *str
)
865 struct bt_scatternet_s
*vlan
= 0;
867 if (!strcmp(str
, "null"))
870 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
872 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
873 else if (!strncmp(str
, "hci", 3)) {
876 if (!strncmp(str
+ 3, ",vlan=", 6)) {
877 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
882 vlan
= qemu_find_bt_vlan(0);
884 return bt_new_hci(vlan
);
887 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
892 static int bt_hci_parse(const char *str
)
897 if (nb_hcis
>= MAX_NICS
) {
898 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
911 bdaddr
.b
[5] = 0x56 + nb_hcis
;
912 hci
->bdaddr_set(hci
, bdaddr
.b
);
914 hci_table
[nb_hcis
++] = hci
;
919 static void bt_vhci_add(int vlan_id
)
921 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
924 fprintf(stderr
, "qemu: warning: adding a VHCI to "
925 "an empty scatternet %i\n", vlan_id
);
927 bt_vhci_init(bt_new_hci(vlan
));
930 static struct bt_device_s
*bt_device_add(const char *opt
)
932 struct bt_scatternet_s
*vlan
;
934 char *endp
= strstr(opt
, ",vlan=");
935 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
938 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
941 vlan_id
= strtol(endp
+ 6, &endp
, 0);
943 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
948 vlan
= qemu_find_bt_vlan(vlan_id
);
951 fprintf(stderr
, "qemu: warning: adding a slave device to "
952 "an empty scatternet %i\n", vlan_id
);
954 if (!strcmp(devname
, "keyboard"))
955 return bt_keyboard_init(vlan
);
957 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
961 static int bt_parse(const char *opt
)
963 const char *endp
, *p
;
966 if (strstart(opt
, "hci", &endp
)) {
967 if (!*endp
|| *endp
== ',') {
969 if (!strstart(endp
, ",vlan=", 0))
972 return bt_hci_parse(opt
);
974 } else if (strstart(opt
, "vhci", &endp
)) {
975 if (!*endp
|| *endp
== ',') {
977 if (strstart(endp
, ",vlan=", &p
)) {
978 vlan
= strtol(p
, (char **) &endp
, 0);
980 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
984 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
993 } else if (strstart(opt
, "device:", &endp
))
994 return !bt_device_add(endp
);
996 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1000 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1002 /* FIXME: change this to true for 1.3 */
1003 if (qemu_opt_get_bool(opts
, "enable", false)) {
1004 #ifdef CONFIG_SECCOMP
1005 if (seccomp_start() < 0) {
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1007 "failed to install seccomp syscall filter in the kernel");
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1012 "sandboxing request but seccomp is not compiled into this build");
1020 /*********QEMU USB setting******/
1021 bool usb_enabled(bool default_usb
)
1023 QemuOpts
*mach_opts
;
1024 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1026 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1032 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1034 int fd
, dupfd
, flags
;
1036 const char *fd_opaque
= NULL
;
1038 fd
= qemu_opt_get_number(opts
, "fd", -1);
1039 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1040 fd_opaque
= qemu_opt_get(opts
, "opaque");
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1044 "fd option is required and must be non-negative");
1048 if (fd
<= STDERR_FILENO
) {
1049 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1050 "fd cannot be a standard I/O stream");
1055 * All fds inherited across exec() necessarily have FD_CLOEXEC
1056 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1058 flags
= fcntl(fd
, F_GETFD
);
1059 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1061 "fd is not valid or already in use");
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1067 "set option is required and must be non-negative");
1071 #ifdef F_DUPFD_CLOEXEC
1072 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1076 qemu_set_cloexec(dupfd
);
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1081 "Error duplicating fd: %s", strerror(errno
));
1085 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1086 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1092 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1096 fd
= qemu_opt_get_number(opts
, "fd", -1);
1103 /***********************************************************/
1104 /* QEMU Block devices */
1106 #define HD_OPTS "media=disk"
1107 #define CDROM_OPTS "media=cdrom"
1109 #define PFLASH_OPTS ""
1113 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1115 BlockInterfaceType
*block_default_type
= opaque
;
1117 return drive_init(opts
, *block_default_type
) == NULL
;
1120 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1122 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1123 qemu_opt_set(opts
, "snapshot", "on");
1128 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1129 int index
, const char *optstr
)
1133 if (!enable
|| drive_get_by_index(type
, index
)) {
1137 opts
= drive_add(type
, index
, NULL
, optstr
);
1139 drive_enable_snapshot(opts
, NULL
);
1141 if (!drive_init(opts
, type
)) {
1146 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1148 boot_set_handler
= func
;
1149 boot_set_opaque
= opaque
;
1152 int qemu_boot_set(const char *boot_order
)
1154 if (!boot_set_handler
) {
1157 return boot_set_handler(boot_set_opaque
, boot_order
);
1160 static void validate_bootdevices(const char *devices
)
1162 /* We just do some generic consistency checks */
1166 for (p
= devices
; *p
!= '\0'; p
++) {
1167 /* Allowed boot devices are:
1168 * a-b: floppy disk drives
1169 * c-f: IDE disk drives
1170 * g-m: machine implementation dependent drives
1171 * n-p: network devices
1172 * It's up to each machine implementation to check if the given boot
1173 * devices match the actual hardware implementation and firmware
1176 if (*p
< 'a' || *p
> 'p') {
1177 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1180 if (bitmap
& (1 << (*p
- 'a'))) {
1181 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1184 bitmap
|= 1 << (*p
- 'a');
1188 static void restore_boot_order(void *opaque
)
1190 char *normal_boot_order
= opaque
;
1191 static int first
= 1;
1193 /* Restore boot order and remove ourselves after the first boot */
1199 qemu_boot_set(normal_boot_order
);
1201 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1202 g_free(normal_boot_order
);
1205 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1208 FWBootEntry
*node
, *i
;
1210 if (bootindex
< 0) {
1214 assert(dev
!= NULL
|| suffix
!= NULL
);
1216 node
= g_malloc0(sizeof(FWBootEntry
));
1217 node
->bootindex
= bootindex
;
1218 node
->suffix
= g_strdup(suffix
);
1221 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1222 if (i
->bootindex
== bootindex
) {
1223 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1225 } else if (i
->bootindex
< bootindex
) {
1228 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1231 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1234 DeviceState
*get_boot_device(uint32_t position
)
1236 uint32_t counter
= 0;
1237 FWBootEntry
*i
= NULL
;
1238 DeviceState
*res
= NULL
;
1240 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1241 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1242 if (counter
== position
) {
1253 * This function returns null terminated string that consist of new line
1254 * separated device paths.
1256 * memory pointed by "size" is assigned total length of the array in bytes
1259 char *get_boot_devices_list(size_t *size
)
1265 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1266 char *devpath
= NULL
, *bootpath
;
1270 devpath
= qdev_get_fw_dev_path(i
->dev
);
1274 if (i
->suffix
&& devpath
) {
1275 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1277 bootpath
= g_malloc(bootpathlen
);
1278 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1280 } else if (devpath
) {
1284 bootpath
= g_strdup(i
->suffix
);
1288 list
[total
-1] = '\n';
1290 len
= strlen(bootpath
) + 1;
1291 list
= g_realloc(list
, total
+ len
);
1292 memcpy(&list
[total
], bootpath
, len
);
1299 if (boot_strict
&& *size
> 0) {
1300 list
[total
-1] = '\n';
1301 list
= g_realloc(list
, total
+ 5);
1302 memcpy(&list
[total
], "HALT", 5);
1308 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1311 unsigned long long value
, endvalue
;
1313 /* Empty CPU range strings will be considered valid, they will simply
1314 * not set any bit in the CPU bitmap.
1320 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1323 if (*endptr
== '-') {
1324 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1327 } else if (*endptr
== '\0') {
1333 if (endvalue
>= MAX_CPUMASK_BITS
) {
1334 endvalue
= MAX_CPUMASK_BITS
- 1;
1336 "qemu: NUMA: A max of %d VCPUs are supported\n",
1340 if (endvalue
< value
) {
1344 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1348 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1352 static void numa_add(const char *optarg
)
1356 unsigned long long nodenr
;
1358 optarg
= get_opt_name(option
, 128, optarg
, ',');
1359 if (*optarg
== ',') {
1362 if (!strcmp(option
, "node")) {
1364 if (nb_numa_nodes
>= MAX_NODES
) {
1365 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1369 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1370 nodenr
= nb_numa_nodes
;
1372 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1373 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1378 if (nodenr
>= MAX_NODES
) {
1379 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1383 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1384 node_mem
[nodenr
] = 0;
1387 sval
= strtosz(option
, &endptr
);
1388 if (sval
< 0 || *endptr
) {
1389 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1392 node_mem
[nodenr
] = sval
;
1394 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1395 numa_node_parse_cpus(nodenr
, option
);
1399 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1404 static QemuOptsList qemu_smp_opts
= {
1406 .implied_opt_name
= "cpus",
1407 .merge_lists
= true,
1408 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1412 .type
= QEMU_OPT_NUMBER
,
1415 .type
= QEMU_OPT_NUMBER
,
1418 .type
= QEMU_OPT_NUMBER
,
1421 .type
= QEMU_OPT_NUMBER
,
1424 .type
= QEMU_OPT_NUMBER
,
1426 { /*End of list */ }
1430 static void smp_parse(QemuOpts
*opts
)
1434 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1435 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1436 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1437 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1439 /* compute missing values, prefer sockets over cores over threads */
1440 if (cpus
== 0 || sockets
== 0) {
1441 sockets
= sockets
> 0 ? sockets
: 1;
1442 cores
= cores
> 0 ? cores
: 1;
1443 threads
= threads
> 0 ? threads
: 1;
1445 cpus
= cores
* threads
* sockets
;
1449 threads
= threads
> 0 ? threads
: 1;
1450 cores
= cpus
/ (sockets
* threads
);
1452 threads
= cpus
/ (cores
* sockets
);
1456 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1459 smp_cores
= cores
> 0 ? cores
: 1;
1460 smp_threads
= threads
> 0 ? threads
: 1;
1464 if (max_cpus
== 0) {
1465 max_cpus
= smp_cpus
;
1468 if (max_cpus
> 255) {
1469 fprintf(stderr
, "Unsupported number of maxcpus\n");
1472 if (max_cpus
< smp_cpus
) {
1473 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1479 static void configure_realtime(QemuOpts
*opts
)
1483 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1486 if (os_mlock() < 0) {
1487 fprintf(stderr
, "qemu: locking memory failed\n");
1493 /***********************************************************/
1496 static int usb_device_add(const char *devname
)
1499 USBDevice
*dev
= NULL
;
1501 if (!usb_enabled(false)) {
1505 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1506 dev
= usbdevice_create(devname
);
1510 /* the other ones */
1511 #ifndef CONFIG_LINUX
1512 /* only the linux version is qdev-ified, usb-bsd still needs this */
1513 if (strstart(devname
, "host:", &p
)) {
1514 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1517 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1518 dev
= usb_bt_init(usb_bus_find(-1),
1519 devname
[2] ? hci_init(p
)
1520 : bt_new_hci(qemu_find_bt_vlan(0)));
1531 static int usb_device_del(const char *devname
)
1536 if (strstart(devname
, "host:", &p
)) {
1540 if (!usb_enabled(false)) {
1544 p
= strchr(devname
, '.');
1547 bus_num
= strtoul(devname
, NULL
, 0);
1548 addr
= strtoul(p
+ 1, NULL
, 0);
1550 return usb_device_delete_addr(bus_num
, addr
);
1553 static int usb_parse(const char *cmdline
)
1556 r
= usb_device_add(cmdline
);
1558 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1563 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1565 const char *devname
= qdict_get_str(qdict
, "devname");
1566 if (usb_device_add(devname
) < 0) {
1567 error_report("could not add USB device '%s'", devname
);
1571 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1573 const char *devname
= qdict_get_str(qdict
, "devname");
1574 if (usb_device_del(devname
) < 0) {
1575 error_report("could not delete USB device '%s'", devname
);
1579 /***********************************************************/
1580 /* PCMCIA/Cardbus */
1582 static struct pcmcia_socket_entry_s
{
1583 PCMCIASocket
*socket
;
1584 struct pcmcia_socket_entry_s
*next
;
1585 } *pcmcia_sockets
= 0;
1587 void pcmcia_socket_register(PCMCIASocket
*socket
)
1589 struct pcmcia_socket_entry_s
*entry
;
1591 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1592 entry
->socket
= socket
;
1593 entry
->next
= pcmcia_sockets
;
1594 pcmcia_sockets
= entry
;
1597 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1599 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1601 ptr
= &pcmcia_sockets
;
1602 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1603 if (entry
->socket
== socket
) {
1609 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1611 struct pcmcia_socket_entry_s
*iter
;
1613 if (!pcmcia_sockets
)
1614 monitor_printf(mon
, "No PCMCIA sockets\n");
1616 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1617 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1618 iter
->socket
->attached
? iter
->socket
->card_string
:
1622 /***********************************************************/
1623 /* machine registration */
1625 static QEMUMachine
*first_machine
= NULL
;
1626 QEMUMachine
*current_machine
= NULL
;
1628 int qemu_register_machine(QEMUMachine
*m
)
1631 pm
= &first_machine
;
1639 static QEMUMachine
*find_machine(const char *name
)
1643 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1644 if (!strcmp(m
->name
, name
))
1646 if (m
->alias
&& !strcmp(m
->alias
, name
))
1652 QEMUMachine
*find_default_machine(void)
1656 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1657 if (m
->is_default
) {
1664 MachineInfoList
*qmp_query_machines(Error
**errp
)
1666 MachineInfoList
*mach_list
= NULL
;
1669 for (m
= first_machine
; m
; m
= m
->next
) {
1670 MachineInfoList
*entry
;
1673 info
= g_malloc0(sizeof(*info
));
1674 if (m
->is_default
) {
1675 info
->has_is_default
= true;
1676 info
->is_default
= true;
1680 info
->has_alias
= true;
1681 info
->alias
= g_strdup(m
->alias
);
1684 info
->name
= g_strdup(m
->name
);
1685 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1687 entry
= g_malloc0(sizeof(*entry
));
1688 entry
->value
= info
;
1689 entry
->next
= mach_list
;
1696 /***********************************************************/
1697 /* main execution loop */
1699 struct vm_change_state_entry
{
1700 VMChangeStateHandler
*cb
;
1702 QLIST_ENTRY (vm_change_state_entry
) entries
;
1705 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1707 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1710 VMChangeStateEntry
*e
;
1712 e
= g_malloc0(sizeof (*e
));
1716 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1720 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1722 QLIST_REMOVE (e
, entries
);
1726 void vm_state_notify(int running
, RunState state
)
1728 VMChangeStateEntry
*e
;
1730 trace_vm_state_notify(running
, state
);
1732 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1733 e
->cb(e
->opaque
, running
, state
);
1739 if (!runstate_is_running()) {
1741 runstate_set(RUN_STATE_RUNNING
);
1742 vm_state_notify(1, RUN_STATE_RUNNING
);
1744 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1748 /* reset/shutdown handler */
1750 typedef struct QEMUResetEntry
{
1751 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1752 QEMUResetHandler
*func
;
1756 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1757 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1758 static int reset_requested
;
1759 static int shutdown_requested
, shutdown_signal
= -1;
1760 static pid_t shutdown_pid
;
1761 static int powerdown_requested
;
1762 static int debug_requested
;
1763 static int suspend_requested
;
1764 static int wakeup_requested
;
1765 static NotifierList powerdown_notifiers
=
1766 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1767 static NotifierList suspend_notifiers
=
1768 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1769 static NotifierList wakeup_notifiers
=
1770 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1771 static uint32_t wakeup_reason_mask
= ~0;
1772 static RunState vmstop_requested
= RUN_STATE_MAX
;
1774 int qemu_shutdown_requested_get(void)
1776 return shutdown_requested
;
1779 int qemu_reset_requested_get(void)
1781 return reset_requested
;
1784 static int qemu_shutdown_requested(void)
1786 int r
= shutdown_requested
;
1787 shutdown_requested
= 0;
1791 static void qemu_kill_report(void)
1793 if (!qtest_enabled() && shutdown_signal
!= -1) {
1794 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1795 if (shutdown_pid
== 0) {
1796 /* This happens for eg ^C at the terminal, so it's worth
1797 * avoiding printing an odd message in that case.
1799 fputc('\n', stderr
);
1801 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1803 shutdown_signal
= -1;
1807 static int qemu_reset_requested(void)
1809 int r
= reset_requested
;
1810 reset_requested
= 0;
1814 static int qemu_suspend_requested(void)
1816 int r
= suspend_requested
;
1817 suspend_requested
= 0;
1821 static int qemu_wakeup_requested(void)
1823 int r
= wakeup_requested
;
1824 wakeup_requested
= 0;
1828 static int qemu_powerdown_requested(void)
1830 int r
= powerdown_requested
;
1831 powerdown_requested
= 0;
1835 static int qemu_debug_requested(void)
1837 int r
= debug_requested
;
1838 debug_requested
= 0;
1842 /* We use RUN_STATE_MAX but any invalid value will do */
1843 static bool qemu_vmstop_requested(RunState
*r
)
1845 if (vmstop_requested
< RUN_STATE_MAX
) {
1846 *r
= vmstop_requested
;
1847 vmstop_requested
= RUN_STATE_MAX
;
1854 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1856 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1859 re
->opaque
= opaque
;
1860 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1863 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1867 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1868 if (re
->func
== func
&& re
->opaque
== opaque
) {
1869 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1876 void qemu_devices_reset(void)
1878 QEMUResetEntry
*re
, *nre
;
1880 /* reset all devices */
1881 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1882 re
->func(re
->opaque
);
1886 void qemu_system_reset(bool report
)
1888 if (current_machine
&& current_machine
->reset
) {
1889 current_machine
->reset();
1891 qemu_devices_reset();
1894 monitor_protocol_event(QEVENT_RESET
, NULL
);
1896 cpu_synchronize_all_post_reset();
1899 void qemu_system_reset_request(void)
1902 shutdown_requested
= 1;
1904 reset_requested
= 1;
1907 qemu_notify_event();
1910 static void qemu_system_suspend(void)
1913 notifier_list_notify(&suspend_notifiers
, NULL
);
1914 runstate_set(RUN_STATE_SUSPENDED
);
1915 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1918 void qemu_system_suspend_request(void)
1920 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1923 suspend_requested
= 1;
1925 qemu_notify_event();
1928 void qemu_register_suspend_notifier(Notifier
*notifier
)
1930 notifier_list_add(&suspend_notifiers
, notifier
);
1933 void qemu_system_wakeup_request(WakeupReason reason
)
1935 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1938 if (!(wakeup_reason_mask
& (1 << reason
))) {
1941 runstate_set(RUN_STATE_RUNNING
);
1942 notifier_list_notify(&wakeup_notifiers
, &reason
);
1943 wakeup_requested
= 1;
1944 qemu_notify_event();
1947 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1950 wakeup_reason_mask
|= (1 << reason
);
1952 wakeup_reason_mask
&= ~(1 << reason
);
1956 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1958 notifier_list_add(&wakeup_notifiers
, notifier
);
1961 void qemu_system_killed(int signal
, pid_t pid
)
1963 shutdown_signal
= signal
;
1966 qemu_system_shutdown_request();
1969 void qemu_system_shutdown_request(void)
1971 shutdown_requested
= 1;
1972 qemu_notify_event();
1975 static void qemu_system_powerdown(void)
1977 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1978 notifier_list_notify(&powerdown_notifiers
, NULL
);
1981 void qemu_system_powerdown_request(void)
1983 powerdown_requested
= 1;
1984 qemu_notify_event();
1987 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1989 notifier_list_add(&powerdown_notifiers
, notifier
);
1992 void qemu_system_debug_request(void)
1994 debug_requested
= 1;
1995 qemu_notify_event();
1998 void qemu_system_vmstop_request(RunState state
)
2000 vmstop_requested
= state
;
2001 qemu_notify_event();
2004 static bool main_loop_should_exit(void)
2007 if (qemu_debug_requested()) {
2008 vm_stop(RUN_STATE_DEBUG
);
2010 if (qemu_suspend_requested()) {
2011 qemu_system_suspend();
2013 if (qemu_shutdown_requested()) {
2015 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2017 vm_stop(RUN_STATE_SHUTDOWN
);
2022 if (qemu_reset_requested()) {
2024 cpu_synchronize_all_states();
2025 qemu_system_reset(VMRESET_REPORT
);
2027 if (runstate_needs_reset()) {
2028 runstate_set(RUN_STATE_PAUSED
);
2031 if (qemu_wakeup_requested()) {
2033 cpu_synchronize_all_states();
2034 qemu_system_reset(VMRESET_SILENT
);
2036 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2038 if (qemu_powerdown_requested()) {
2039 qemu_system_powerdown();
2041 if (qemu_vmstop_requested(&r
)) {
2047 static void main_loop(void)
2051 #ifdef CONFIG_PROFILER
2055 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2056 #ifdef CONFIG_PROFILER
2057 ti
= profile_getclock();
2059 last_io
= main_loop_wait(nonblocking
);
2060 #ifdef CONFIG_PROFILER
2061 dev_time
+= profile_getclock() - ti
;
2063 } while (!main_loop_should_exit());
2066 static void version(void)
2068 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2071 static void help(int exitcode
)
2074 printf("usage: %s [options] [disk_image]\n\n"
2075 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2076 error_get_progname());
2078 #define QEMU_OPTIONS_GENERATE_HELP
2079 #include "qemu-options-wrapper.h"
2081 printf("\nDuring emulation, the following keys are useful:\n"
2082 "ctrl-alt-f toggle full screen\n"
2083 "ctrl-alt-n switch to virtual console 'n'\n"
2084 "ctrl-alt toggle mouse and keyboard grab\n"
2086 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2091 #define HAS_ARG 0x0001
2093 typedef struct QEMUOption
{
2100 static const QEMUOption qemu_options
[] = {
2101 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2102 #define QEMU_OPTIONS_GENERATE_OPTIONS
2103 #include "qemu-options-wrapper.h"
2107 static bool vga_available(void)
2109 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2112 static bool cirrus_vga_available(void)
2114 return object_class_by_name("cirrus-vga")
2115 || object_class_by_name("isa-cirrus-vga");
2118 static bool vmware_vga_available(void)
2120 return object_class_by_name("vmware-svga");
2123 static bool qxl_vga_available(void)
2125 return object_class_by_name("qxl-vga");
2128 static void select_vgahw (const char *p
)
2132 vga_interface_type
= VGA_NONE
;
2133 if (strstart(p
, "std", &opts
)) {
2134 if (vga_available()) {
2135 vga_interface_type
= VGA_STD
;
2137 fprintf(stderr
, "Error: standard VGA not available\n");
2140 } else if (strstart(p
, "cirrus", &opts
)) {
2141 if (cirrus_vga_available()) {
2142 vga_interface_type
= VGA_CIRRUS
;
2144 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2147 } else if (strstart(p
, "vmware", &opts
)) {
2148 if (vmware_vga_available()) {
2149 vga_interface_type
= VGA_VMWARE
;
2151 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2154 } else if (strstart(p
, "xenfb", &opts
)) {
2155 vga_interface_type
= VGA_XENFB
;
2156 } else if (strstart(p
, "qxl", &opts
)) {
2157 if (qxl_vga_available()) {
2158 vga_interface_type
= VGA_QXL
;
2160 fprintf(stderr
, "Error: QXL VGA not available\n");
2163 } else if (!strstart(p
, "none", &opts
)) {
2165 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2169 const char *nextopt
;
2171 if (strstart(opts
, ",retrace=", &nextopt
)) {
2173 if (strstart(opts
, "dumb", &nextopt
))
2174 vga_retrace_method
= VGA_RETRACE_DUMB
;
2175 else if (strstart(opts
, "precise", &nextopt
))
2176 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2177 else goto invalid_vga
;
2178 } else goto invalid_vga
;
2183 static DisplayType
select_display(const char *p
)
2186 DisplayType display
= DT_DEFAULT
;
2188 if (strstart(p
, "sdl", &opts
)) {
2192 const char *nextopt
;
2194 if (strstart(opts
, ",frame=", &nextopt
)) {
2196 if (strstart(opts
, "on", &nextopt
)) {
2198 } else if (strstart(opts
, "off", &nextopt
)) {
2201 goto invalid_sdl_args
;
2203 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2205 if (strstart(opts
, "on", &nextopt
)) {
2207 } else if (strstart(opts
, "off", &nextopt
)) {
2210 goto invalid_sdl_args
;
2212 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2214 if (strstart(opts
, "on", &nextopt
)) {
2216 } else if (strstart(opts
, "off", &nextopt
)) {
2219 goto invalid_sdl_args
;
2221 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2223 if (strstart(opts
, "on", &nextopt
)) {
2225 } else if (strstart(opts
, "off", &nextopt
)) {
2228 goto invalid_sdl_args
;
2232 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2238 fprintf(stderr
, "SDL support is disabled\n");
2241 } else if (strstart(p
, "vnc", &opts
)) {
2246 const char *nextopt
;
2248 if (strstart(opts
, "=", &nextopt
)) {
2249 vnc_display
= nextopt
;
2253 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2257 fprintf(stderr
, "VNC support is disabled\n");
2260 } else if (strstart(p
, "curses", &opts
)) {
2261 #ifdef CONFIG_CURSES
2262 display
= DT_CURSES
;
2264 fprintf(stderr
, "Curses support is disabled\n");
2267 } else if (strstart(p
, "gtk", &opts
)) {
2271 fprintf(stderr
, "GTK support is disabled\n");
2274 } else if (strstart(p
, "none", &opts
)) {
2277 fprintf(stderr
, "Unknown display type: %s\n", p
);
2284 static int balloon_parse(const char *arg
)
2288 if (strcmp(arg
, "none") == 0) {
2292 if (!strncmp(arg
, "virtio", 6)) {
2293 if (arg
[6] == ',') {
2294 /* have params -> parse them */
2295 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2299 /* create empty opts */
2300 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2302 qemu_opt_set(opts
, "driver", "virtio-balloon");
2309 char *qemu_find_file(int type
, const char *name
)
2315 /* Try the name as a straight path first */
2316 if (access(name
, R_OK
) == 0) {
2317 trace_load_file(name
, name
);
2318 return g_strdup(name
);
2322 case QEMU_FILE_TYPE_BIOS
:
2325 case QEMU_FILE_TYPE_KEYMAP
:
2326 subdir
= "keymaps/";
2332 for (i
= 0; i
< data_dir_idx
; i
++) {
2333 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2334 if (access(buf
, R_OK
) == 0) {
2335 trace_load_file(name
, buf
);
2343 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2345 return qdev_device_help(opts
);
2348 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2352 dev
= qdev_device_add(opts
);
2355 object_unref(OBJECT(dev
));
2359 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2361 Error
*local_err
= NULL
;
2363 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2364 if (error_is_set(&local_err
)) {
2365 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2366 error_free(local_err
);
2372 #ifdef CONFIG_VIRTFS
2373 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2376 ret
= qemu_fsdev_add(opts
);
2382 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2384 CharDriverState
*chr
;
2385 const char *chardev
;
2389 mode
= qemu_opt_get(opts
, "mode");
2393 if (strcmp(mode
, "readline") == 0) {
2394 flags
= MONITOR_USE_READLINE
;
2395 } else if (strcmp(mode
, "control") == 0) {
2396 flags
= MONITOR_USE_CONTROL
;
2398 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2402 if (qemu_opt_get_bool(opts
, "pretty", 0))
2403 flags
|= MONITOR_USE_PRETTY
;
2405 if (qemu_opt_get_bool(opts
, "default", 0))
2406 flags
|= MONITOR_IS_DEFAULT
;
2408 chardev
= qemu_opt_get(opts
, "chardev");
2409 chr
= qemu_chr_find(chardev
);
2411 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2415 qemu_chr_fe_claim_no_fail(chr
);
2416 monitor_init(chr
, flags
);
2420 static void monitor_parse(const char *optarg
, const char *mode
)
2422 static int monitor_device_index
= 0;
2428 if (strstart(optarg
, "chardev:", &p
)) {
2429 snprintf(label
, sizeof(label
), "%s", p
);
2431 snprintf(label
, sizeof(label
), "compat_monitor%d",
2432 monitor_device_index
);
2433 if (monitor_device_index
== 0) {
2436 opts
= qemu_chr_parse_compat(label
, optarg
);
2438 fprintf(stderr
, "parse error: %s\n", optarg
);
2443 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2445 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2448 qemu_opt_set(opts
, "mode", mode
);
2449 qemu_opt_set(opts
, "chardev", label
);
2451 qemu_opt_set(opts
, "default", "on");
2452 monitor_device_index
++;
2455 struct device_config
{
2457 DEV_USB
, /* -usbdevice */
2459 DEV_SERIAL
, /* -serial */
2460 DEV_PARALLEL
, /* -parallel */
2461 DEV_VIRTCON
, /* -virtioconsole */
2462 DEV_DEBUGCON
, /* -debugcon */
2463 DEV_GDB
, /* -gdb, -s */
2464 DEV_SCLP
, /* s390 sclp */
2466 const char *cmdline
;
2468 QTAILQ_ENTRY(device_config
) next
;
2471 static QTAILQ_HEAD(, device_config
) device_configs
=
2472 QTAILQ_HEAD_INITIALIZER(device_configs
);
2474 static void add_device_config(int type
, const char *cmdline
)
2476 struct device_config
*conf
;
2478 conf
= g_malloc0(sizeof(*conf
));
2480 conf
->cmdline
= cmdline
;
2481 loc_save(&conf
->loc
);
2482 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2485 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2487 struct device_config
*conf
;
2490 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2491 if (conf
->type
!= type
)
2493 loc_push_restore(&conf
->loc
);
2494 rc
= func(conf
->cmdline
);
2495 loc_pop(&conf
->loc
);
2502 static int serial_parse(const char *devname
)
2504 static int index
= 0;
2507 if (strcmp(devname
, "none") == 0)
2509 if (index
== MAX_SERIAL_PORTS
) {
2510 fprintf(stderr
, "qemu: too many serial ports\n");
2513 snprintf(label
, sizeof(label
), "serial%d", index
);
2514 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2515 if (!serial_hds
[index
]) {
2516 fprintf(stderr
, "qemu: could not connect serial device"
2517 " to character backend '%s'\n", devname
);
2524 static int parallel_parse(const char *devname
)
2526 static int index
= 0;
2529 if (strcmp(devname
, "none") == 0)
2531 if (index
== MAX_PARALLEL_PORTS
) {
2532 fprintf(stderr
, "qemu: too many parallel ports\n");
2535 snprintf(label
, sizeof(label
), "parallel%d", index
);
2536 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2537 if (!parallel_hds
[index
]) {
2538 fprintf(stderr
, "qemu: could not connect parallel device"
2539 " to character backend '%s'\n", devname
);
2546 static int virtcon_parse(const char *devname
)
2548 QemuOptsList
*device
= qemu_find_opts("device");
2549 static int index
= 0;
2551 QemuOpts
*bus_opts
, *dev_opts
;
2553 if (strcmp(devname
, "none") == 0)
2555 if (index
== MAX_VIRTIO_CONSOLES
) {
2556 fprintf(stderr
, "qemu: too many virtio consoles\n");
2560 bus_opts
= qemu_opts_create_nofail(device
);
2561 if (arch_type
== QEMU_ARCH_S390X
) {
2562 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2564 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2567 dev_opts
= qemu_opts_create_nofail(device
);
2568 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2570 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2571 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2572 if (!virtcon_hds
[index
]) {
2573 fprintf(stderr
, "qemu: could not connect virtio console"
2574 " to character backend '%s'\n", devname
);
2577 qemu_opt_set(dev_opts
, "chardev", label
);
2583 static int sclp_parse(const char *devname
)
2585 QemuOptsList
*device
= qemu_find_opts("device");
2586 static int index
= 0;
2590 if (strcmp(devname
, "none") == 0) {
2593 if (index
== MAX_SCLP_CONSOLES
) {
2594 fprintf(stderr
, "qemu: too many sclp consoles\n");
2598 assert(arch_type
== QEMU_ARCH_S390X
);
2600 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2601 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2603 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2604 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2605 if (!sclp_hds
[index
]) {
2606 fprintf(stderr
, "qemu: could not connect sclp console"
2607 " to character backend '%s'\n", devname
);
2610 qemu_opt_set(dev_opts
, "chardev", label
);
2616 static int debugcon_parse(const char *devname
)
2620 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2623 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2625 fprintf(stderr
, "qemu: already have a debugcon device\n");
2628 qemu_opt_set(opts
, "driver", "isa-debugcon");
2629 qemu_opt_set(opts
, "chardev", "debugcon");
2633 static QEMUMachine
*machine_parse(const char *name
)
2635 QEMUMachine
*m
, *machine
= NULL
;
2638 machine
= find_machine(name
);
2643 printf("Supported machines are:\n");
2644 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2646 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2648 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2649 m
->is_default
? " (default)" : "");
2651 exit(!name
|| !is_help_option(name
));
2654 static int tcg_init(void)
2656 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2661 const char *opt_name
;
2663 int (*available
)(void);
2667 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2668 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2669 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2670 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2673 static int configure_accelerator(void)
2675 const char *p
= NULL
;
2678 bool accel_initialised
= false;
2679 bool init_failed
= false;
2681 QemuOptsList
*list
= qemu_find_opts("machine");
2682 if (!QTAILQ_EMPTY(&list
->head
)) {
2683 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2687 /* Use the default "accelerator", tcg */
2691 while (!accel_initialised
&& *p
!= '\0') {
2695 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2696 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2697 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2698 if (!accel_list
[i
].available()) {
2699 printf("%s not supported for this target\n",
2700 accel_list
[i
].name
);
2703 *(accel_list
[i
].allowed
) = true;
2704 ret
= accel_list
[i
].init();
2707 fprintf(stderr
, "failed to initialize %s: %s\n",
2710 *(accel_list
[i
].allowed
) = false;
2712 accel_initialised
= true;
2717 if (i
== ARRAY_SIZE(accel_list
)) {
2718 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2722 if (!accel_initialised
) {
2724 fprintf(stderr
, "No accelerator found!\n");
2730 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2733 return !accel_initialised
;
2736 void qemu_add_exit_notifier(Notifier
*notify
)
2738 notifier_list_add(&exit_notifiers
, notify
);
2741 void qemu_remove_exit_notifier(Notifier
*notify
)
2743 notifier_remove(notify
);
2746 static void qemu_run_exit_notifiers(void)
2748 notifier_list_notify(&exit_notifiers
, NULL
);
2751 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2753 notifier_list_add(&machine_init_done_notifiers
, notify
);
2756 static void qemu_run_machine_init_done_notifiers(void)
2758 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2761 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2762 const char **poptarg
, int *poptind
)
2764 const QEMUOption
*popt
;
2765 int optind
= *poptind
;
2766 char *r
= argv
[optind
];
2769 loc_set_cmdline(argv
, optind
, 1);
2771 /* Treat --foo the same as -foo. */
2774 popt
= qemu_options
;
2777 error_report("invalid option");
2780 if (!strcmp(popt
->name
, r
+ 1))
2784 if (popt
->flags
& HAS_ARG
) {
2785 if (optind
>= argc
) {
2786 error_report("requires an argument");
2789 optarg
= argv
[optind
++];
2790 loc_set_cmdline(argv
, optind
- 2, 2);
2801 static gpointer
malloc_and_trace(gsize n_bytes
)
2803 void *ptr
= malloc(n_bytes
);
2804 trace_g_malloc(n_bytes
, ptr
);
2808 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2810 void *ptr
= realloc(mem
, n_bytes
);
2811 trace_g_realloc(mem
, n_bytes
, ptr
);
2815 static void free_and_trace(gpointer mem
)
2821 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2823 Object
*obj
= OBJECT(opaque
);
2824 StringInputVisitor
*siv
;
2825 Error
*local_err
= NULL
;
2827 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2831 siv
= string_input_visitor_new(value
);
2832 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2833 string_input_visitor_cleanup(siv
);
2836 qerror_report_err(local_err
);
2837 error_free(local_err
);
2844 static int object_create(QemuOpts
*opts
, void *opaque
)
2846 const char *type
= qemu_opt_get(opts
, "qom-type");
2847 const char *id
= qemu_opts_id(opts
);
2850 g_assert(type
!= NULL
);
2853 qerror_report(QERR_MISSING_PARAMETER
, "id");
2857 obj
= object_new(type
);
2858 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2862 object_property_add_child(container_get(object_get_root(), "/objects"),
2868 int main(int argc
, char **argv
, char **envp
)
2871 int snapshot
, linux_boot
;
2872 const char *icount_option
= NULL
;
2873 const char *initrd_filename
;
2874 const char *kernel_filename
, *kernel_cmdline
;
2875 const char *boot_order
= NULL
;
2877 int cyls
, heads
, secs
, translation
;
2878 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2879 QemuOptsList
*olist
;
2882 const char *loadvm
= NULL
;
2883 QEMUMachine
*machine
;
2884 const char *cpu_model
;
2885 const char *vga_model
= "none";
2886 const char *pid_file
= NULL
;
2887 const char *incoming
= NULL
;
2889 int show_vnc_port
= 0;
2891 bool defconfig
= true;
2892 bool userconfig
= true;
2893 const char *log_mask
= NULL
;
2894 const char *log_file
= NULL
;
2895 GMemVTable mem_trace
= {
2896 .malloc
= malloc_and_trace
,
2897 .realloc
= realloc_and_trace
,
2898 .free
= free_and_trace
,
2900 const char *trace_events
= NULL
;
2901 const char *trace_file
= NULL
;
2903 atexit(qemu_run_exit_notifiers
);
2904 error_set_progname(argv
[0]);
2906 g_mem_set_vtable(&mem_trace
);
2907 if (!g_thread_supported()) {
2908 #if !GLIB_CHECK_VERSION(2, 31, 0)
2909 g_thread_init(NULL
);
2911 fprintf(stderr
, "glib threading failed to initialize.\n");
2916 module_call_init(MODULE_INIT_QOM
);
2918 qemu_add_opts(&qemu_drive_opts
);
2919 qemu_add_opts(&qemu_chardev_opts
);
2920 qemu_add_opts(&qemu_device_opts
);
2921 qemu_add_opts(&qemu_netdev_opts
);
2922 qemu_add_opts(&qemu_net_opts
);
2923 qemu_add_opts(&qemu_rtc_opts
);
2924 qemu_add_opts(&qemu_global_opts
);
2925 qemu_add_opts(&qemu_mon_opts
);
2926 qemu_add_opts(&qemu_trace_opts
);
2927 qemu_add_opts(&qemu_option_rom_opts
);
2928 qemu_add_opts(&qemu_machine_opts
);
2929 qemu_add_opts(&qemu_smp_opts
);
2930 qemu_add_opts(&qemu_boot_opts
);
2931 qemu_add_opts(&qemu_sandbox_opts
);
2932 qemu_add_opts(&qemu_add_fd_opts
);
2933 qemu_add_opts(&qemu_object_opts
);
2934 qemu_add_opts(&qemu_tpmdev_opts
);
2935 qemu_add_opts(&qemu_realtime_opts
);
2940 rtc_clock
= host_clock
;
2942 qemu_cache_utils_init(envp
);
2944 QLIST_INIT (&vm_change_state_head
);
2945 os_setup_early_signal_handling();
2947 module_call_init(MODULE_INIT_MACHINE
);
2948 machine
= find_default_machine();
2952 cyls
= heads
= secs
= 0;
2953 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2955 for (i
= 0; i
< MAX_NODES
; i
++) {
2957 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2963 bdrv_init_with_whitelist();
2967 /* first pass of option parsing */
2969 while (optind
< argc
) {
2970 if (argv
[optind
][0] != '-') {
2975 const QEMUOption
*popt
;
2977 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2978 switch (popt
->index
) {
2979 case QEMU_OPTION_nodefconfig
:
2982 case QEMU_OPTION_nouserconfig
:
2991 ret
= qemu_read_default_config_files(userconfig
);
2997 /* second pass of option parsing */
3002 if (argv
[optind
][0] != '-') {
3003 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3005 const QEMUOption
*popt
;
3007 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3008 if (!(popt
->arch_mask
& arch_type
)) {
3009 printf("Option %s not supported for this target\n", popt
->name
);
3012 switch(popt
->index
) {
3014 machine
= machine_parse(optarg
);
3016 case QEMU_OPTION_no_kvm_irqchip
: {
3017 olist
= qemu_find_opts("machine");
3018 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3021 case QEMU_OPTION_cpu
:
3022 /* hw initialization will check this */
3025 case QEMU_OPTION_hda
:
3029 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3031 snprintf(buf
, sizeof(buf
),
3032 "%s,cyls=%d,heads=%d,secs=%d%s",
3033 HD_OPTS
, cyls
, heads
, secs
,
3034 translation
== BIOS_ATA_TRANSLATION_LBA
?
3036 translation
== BIOS_ATA_TRANSLATION_NONE
?
3037 ",trans=none" : "");
3038 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3041 case QEMU_OPTION_hdb
:
3042 case QEMU_OPTION_hdc
:
3043 case QEMU_OPTION_hdd
:
3044 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3047 case QEMU_OPTION_drive
:
3048 if (drive_def(optarg
) == NULL
) {
3052 case QEMU_OPTION_set
:
3053 if (qemu_set_option(optarg
) != 0)
3056 case QEMU_OPTION_global
:
3057 if (qemu_global_option(optarg
) != 0)
3060 case QEMU_OPTION_mtdblock
:
3061 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3063 case QEMU_OPTION_sd
:
3064 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3066 case QEMU_OPTION_pflash
:
3067 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3069 case QEMU_OPTION_snapshot
:
3072 case QEMU_OPTION_hdachs
:
3076 cyls
= strtol(p
, (char **)&p
, 0);
3077 if (cyls
< 1 || cyls
> 16383)
3082 heads
= strtol(p
, (char **)&p
, 0);
3083 if (heads
< 1 || heads
> 16)
3088 secs
= strtol(p
, (char **)&p
, 0);
3089 if (secs
< 1 || secs
> 63)
3093 if (!strcmp(p
, "none"))
3094 translation
= BIOS_ATA_TRANSLATION_NONE
;
3095 else if (!strcmp(p
, "lba"))
3096 translation
= BIOS_ATA_TRANSLATION_LBA
;
3097 else if (!strcmp(p
, "auto"))
3098 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3101 } else if (*p
!= '\0') {
3103 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3106 if (hda_opts
!= NULL
) {
3108 snprintf(num
, sizeof(num
), "%d", cyls
);
3109 qemu_opt_set(hda_opts
, "cyls", num
);
3110 snprintf(num
, sizeof(num
), "%d", heads
);
3111 qemu_opt_set(hda_opts
, "heads", num
);
3112 snprintf(num
, sizeof(num
), "%d", secs
);
3113 qemu_opt_set(hda_opts
, "secs", num
);
3114 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3115 qemu_opt_set(hda_opts
, "trans", "lba");
3116 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3117 qemu_opt_set(hda_opts
, "trans", "none");
3121 case QEMU_OPTION_numa
:
3124 case QEMU_OPTION_display
:
3125 display_type
= select_display(optarg
);
3127 case QEMU_OPTION_nographic
:
3128 display_type
= DT_NOGRAPHIC
;
3130 case QEMU_OPTION_curses
:
3131 #ifdef CONFIG_CURSES
3132 display_type
= DT_CURSES
;
3134 fprintf(stderr
, "Curses support is disabled\n");
3138 case QEMU_OPTION_portrait
:
3139 graphic_rotate
= 90;
3141 case QEMU_OPTION_rotate
:
3142 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3143 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3144 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3146 "qemu: only 90, 180, 270 deg rotation is available\n");
3150 case QEMU_OPTION_kernel
:
3151 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3153 case QEMU_OPTION_initrd
:
3154 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3156 case QEMU_OPTION_append
:
3157 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3159 case QEMU_OPTION_dtb
:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3162 case QEMU_OPTION_cdrom
:
3163 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3165 case QEMU_OPTION_boot
:
3166 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3171 case QEMU_OPTION_fda
:
3172 case QEMU_OPTION_fdb
:
3173 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3176 case QEMU_OPTION_no_fd_bootchk
:
3179 case QEMU_OPTION_netdev
:
3180 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3184 case QEMU_OPTION_net
:
3185 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3189 #ifdef CONFIG_LIBISCSI
3190 case QEMU_OPTION_iscsi
:
3191 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3198 case QEMU_OPTION_tftp
:
3199 legacy_tftp_prefix
= optarg
;
3201 case QEMU_OPTION_bootp
:
3202 legacy_bootp_filename
= optarg
;
3204 case QEMU_OPTION_redir
:
3205 if (net_slirp_redir(optarg
) < 0)
3209 case QEMU_OPTION_bt
:
3210 add_device_config(DEV_BT
, optarg
);
3212 case QEMU_OPTION_audio_help
:
3216 case QEMU_OPTION_soundhw
:
3217 select_soundhw (optarg
);
3222 case QEMU_OPTION_version
:
3226 case QEMU_OPTION_m
: {
3231 value
= strtosz(optarg
, &end
);
3232 if (value
< 0 || *end
) {
3233 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3236 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3238 if (ram_size
!= sz
) {
3239 fprintf(stderr
, "qemu: ram size too large\n");
3245 case QEMU_OPTION_tpmdev
:
3246 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3251 case QEMU_OPTION_mempath
:
3255 case QEMU_OPTION_mem_prealloc
:
3266 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3268 case QEMU_OPTION_gdb
:
3269 add_device_config(DEV_GDB
, optarg
);
3272 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3273 data_dir
[data_dir_idx
++] = optarg
;
3276 case QEMU_OPTION_bios
:
3279 case QEMU_OPTION_singlestep
:
3286 keyboard_layout
= optarg
;
3288 case QEMU_OPTION_localtime
:
3291 case QEMU_OPTION_vga
:
3300 w
= strtol(p
, (char **)&p
, 10);
3303 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3309 h
= strtol(p
, (char **)&p
, 10);
3314 depth
= strtol(p
, (char **)&p
, 10);
3315 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3316 depth
!= 24 && depth
!= 32)
3318 } else if (*p
== '\0') {
3319 depth
= graphic_depth
;
3326 graphic_depth
= depth
;
3329 case QEMU_OPTION_echr
:
3332 term_escape_char
= strtol(optarg
, &r
, 0);
3334 printf("Bad argument to echr\n");
3337 case QEMU_OPTION_monitor
:
3338 default_monitor
= 0;
3339 if (strncmp(optarg
, "none", 4)) {
3340 monitor_parse(optarg
, "readline");
3343 case QEMU_OPTION_qmp
:
3344 monitor_parse(optarg
, "control");
3345 default_monitor
= 0;
3347 case QEMU_OPTION_mon
:
3348 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3352 default_monitor
= 0;
3354 case QEMU_OPTION_chardev
:
3355 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3360 case QEMU_OPTION_fsdev
:
3361 olist
= qemu_find_opts("fsdev");
3363 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3366 opts
= qemu_opts_parse(olist
, optarg
, 1);
3371 case QEMU_OPTION_virtfs
: {
3374 const char *writeout
, *sock_fd
, *socket
;
3376 olist
= qemu_find_opts("virtfs");
3378 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3381 opts
= qemu_opts_parse(olist
, optarg
, 1);
3386 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3387 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3388 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3391 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3392 qemu_opt_get(opts
, "mount_tag"),
3395 fprintf(stderr
, "duplicate fsdev id: %s\n",
3396 qemu_opt_get(opts
, "mount_tag"));
3400 writeout
= qemu_opt_get(opts
, "writeout");
3402 #ifdef CONFIG_SYNC_FILE_RANGE
3403 qemu_opt_set(fsdev
, "writeout", writeout
);
3405 fprintf(stderr
, "writeout=immediate not supported on "
3410 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3411 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3412 qemu_opt_set(fsdev
, "security_model",
3413 qemu_opt_get(opts
, "security_model"));
3414 socket
= qemu_opt_get(opts
, "socket");
3416 qemu_opt_set(fsdev
, "socket", socket
);
3418 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3420 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3423 qemu_opt_set_bool(fsdev
, "readonly",
3424 qemu_opt_get_bool(opts
, "readonly", 0));
3425 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3426 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3427 qemu_opt_set(device
, "fsdev",
3428 qemu_opt_get(opts
, "mount_tag"));
3429 qemu_opt_set(device
, "mount_tag",
3430 qemu_opt_get(opts
, "mount_tag"));
3433 case QEMU_OPTION_virtfs_synth
: {
3437 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3440 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3443 qemu_opt_set(fsdev
, "fsdriver", "synth");
3445 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3446 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3447 qemu_opt_set(device
, "fsdev", "v_synth");
3448 qemu_opt_set(device
, "mount_tag", "v_synth");
3451 case QEMU_OPTION_serial
:
3452 add_device_config(DEV_SERIAL
, optarg
);
3454 if (strncmp(optarg
, "mon:", 4) == 0) {
3455 default_monitor
= 0;
3458 case QEMU_OPTION_watchdog
:
3461 "qemu: only one watchdog option may be given\n");
3466 case QEMU_OPTION_watchdog_action
:
3467 if (select_watchdog_action(optarg
) == -1) {
3468 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3472 case QEMU_OPTION_virtiocon
:
3473 add_device_config(DEV_VIRTCON
, optarg
);
3474 default_virtcon
= 0;
3475 if (strncmp(optarg
, "mon:", 4) == 0) {
3476 default_monitor
= 0;
3479 case QEMU_OPTION_parallel
:
3480 add_device_config(DEV_PARALLEL
, optarg
);
3481 default_parallel
= 0;
3482 if (strncmp(optarg
, "mon:", 4) == 0) {
3483 default_monitor
= 0;
3486 case QEMU_OPTION_debugcon
:
3487 add_device_config(DEV_DEBUGCON
, optarg
);
3489 case QEMU_OPTION_loadvm
:
3492 case QEMU_OPTION_full_screen
:
3495 case QEMU_OPTION_no_frame
:
3498 case QEMU_OPTION_alt_grab
:
3501 case QEMU_OPTION_ctrl_grab
:
3504 case QEMU_OPTION_no_quit
:
3507 case QEMU_OPTION_sdl
:
3509 display_type
= DT_SDL
;
3512 fprintf(stderr
, "SDL support is disabled\n");
3515 case QEMU_OPTION_pidfile
:
3518 case QEMU_OPTION_win2k_hack
:
3519 win2k_install_hack
= 1;
3521 case QEMU_OPTION_rtc_td_hack
: {
3522 static GlobalProperty slew_lost_ticks
[] = {
3524 .driver
= "mc146818rtc",
3525 .property
= "lost_tick_policy",
3528 { /* end of list */ }
3531 qdev_prop_register_global_list(slew_lost_ticks
);
3534 case QEMU_OPTION_acpitable
:
3535 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3536 g_assert(opts
!= NULL
);
3537 do_acpitable_option(opts
);
3539 case QEMU_OPTION_smbios
:
3540 do_smbios_option(optarg
);
3542 case QEMU_OPTION_enable_kvm
:
3543 olist
= qemu_find_opts("machine");
3544 qemu_opts_parse(olist
, "accel=kvm", 0);
3546 case QEMU_OPTION_machine
:
3547 olist
= qemu_find_opts("machine");
3548 opts
= qemu_opts_parse(olist
, optarg
, 1);
3552 optarg
= qemu_opt_get(opts
, "type");
3554 machine
= machine_parse(optarg
);
3557 case QEMU_OPTION_no_kvm
:
3558 olist
= qemu_find_opts("machine");
3559 qemu_opts_parse(olist
, "accel=tcg", 0);
3561 case QEMU_OPTION_no_kvm_pit
: {
3562 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3566 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3567 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3569 .driver
= "kvm-pit",
3570 .property
= "lost_tick_policy",
3573 { /* end of list */ }
3576 fprintf(stderr
, "Warning: option deprecated, use "
3577 "lost_tick_policy property of kvm-pit instead.\n");
3578 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3581 case QEMU_OPTION_usb
:
3582 olist
= qemu_find_opts("machine");
3583 qemu_opts_parse(olist
, "usb=on", 0);
3585 case QEMU_OPTION_usbdevice
:
3586 olist
= qemu_find_opts("machine");
3587 qemu_opts_parse(olist
, "usb=on", 0);
3588 add_device_config(DEV_USB
, optarg
);
3590 case QEMU_OPTION_device
:
3591 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3595 case QEMU_OPTION_smp
:
3596 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3600 case QEMU_OPTION_vnc
:
3603 vnc_display
= optarg
;
3605 fprintf(stderr
, "VNC support is disabled\n");
3609 case QEMU_OPTION_no_acpi
:
3612 case QEMU_OPTION_no_hpet
:
3615 case QEMU_OPTION_balloon
:
3616 if (balloon_parse(optarg
) < 0) {
3617 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3621 case QEMU_OPTION_no_reboot
:
3624 case QEMU_OPTION_no_shutdown
:
3627 case QEMU_OPTION_show_cursor
:
3630 case QEMU_OPTION_uuid
:
3631 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3632 fprintf(stderr
, "Fail to parse UUID string."
3633 " Wrong format.\n");
3637 case QEMU_OPTION_option_rom
:
3638 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3639 fprintf(stderr
, "Too many option ROMs\n");
3642 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3646 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3647 option_rom
[nb_option_roms
].bootindex
=
3648 qemu_opt_get_number(opts
, "bootindex", -1);
3649 if (!option_rom
[nb_option_roms
].name
) {
3650 fprintf(stderr
, "Option ROM file is not specified\n");
3655 case QEMU_OPTION_semihosting
:
3656 semihosting_enabled
= 1;
3658 case QEMU_OPTION_tdf
:
3659 fprintf(stderr
, "Warning: user space PIT time drift fix "
3660 "is no longer supported.\n");
3662 case QEMU_OPTION_name
:
3663 qemu_name
= g_strdup(optarg
);
3665 char *p
= strchr(qemu_name
, ',');
3668 if (strncmp(p
, "process=", 8)) {
3669 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3673 os_set_proc_name(p
);
3677 case QEMU_OPTION_prom_env
:
3678 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3679 fprintf(stderr
, "Too many prom variables\n");
3682 prom_envs
[nb_prom_envs
] = optarg
;
3685 case QEMU_OPTION_old_param
:
3688 case QEMU_OPTION_clock
:
3689 configure_alarms(optarg
);
3691 case QEMU_OPTION_startdate
:
3692 configure_rtc_date_offset(optarg
, 1);
3694 case QEMU_OPTION_rtc
:
3695 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3699 configure_rtc(opts
);
3701 case QEMU_OPTION_tb_size
:
3702 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3703 if (tcg_tb_size
< 0) {
3707 case QEMU_OPTION_icount
:
3708 icount_option
= optarg
;
3710 case QEMU_OPTION_incoming
:
3712 runstate_set(RUN_STATE_INMIGRATE
);
3714 case QEMU_OPTION_nodefaults
:
3716 default_parallel
= 0;
3717 default_virtcon
= 0;
3719 default_monitor
= 0;
3726 case QEMU_OPTION_xen_domid
:
3727 if (!(xen_available())) {
3728 printf("Option %s not supported for this target\n", popt
->name
);
3731 xen_domid
= atoi(optarg
);
3733 case QEMU_OPTION_xen_create
:
3734 if (!(xen_available())) {
3735 printf("Option %s not supported for this target\n", popt
->name
);
3738 xen_mode
= XEN_CREATE
;
3740 case QEMU_OPTION_xen_attach
:
3741 if (!(xen_available())) {
3742 printf("Option %s not supported for this target\n", popt
->name
);
3745 xen_mode
= XEN_ATTACH
;
3747 case QEMU_OPTION_trace
:
3749 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3753 trace_events
= qemu_opt_get(opts
, "events");
3754 trace_file
= qemu_opt_get(opts
, "file");
3757 case QEMU_OPTION_readconfig
:
3759 int ret
= qemu_read_config_file(optarg
);
3761 fprintf(stderr
, "read config %s: %s\n", optarg
,
3767 case QEMU_OPTION_spice
:
3768 olist
= qemu_find_opts("spice");
3770 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3773 opts
= qemu_opts_parse(olist
, optarg
, 0);
3779 case QEMU_OPTION_writeconfig
:
3782 if (strcmp(optarg
, "-") == 0) {
3785 fp
= fopen(optarg
, "w");
3787 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3791 qemu_config_write(fp
);
3795 case QEMU_OPTION_qtest
:
3796 qtest_chrdev
= optarg
;
3798 case QEMU_OPTION_qtest_log
:
3801 case QEMU_OPTION_sandbox
:
3802 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3807 case QEMU_OPTION_add_fd
:
3809 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3814 error_report("File descriptor passing is disabled on this "
3819 case QEMU_OPTION_object
:
3820 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3825 case QEMU_OPTION_realtime
:
3826 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3830 configure_realtime(opts
);
3833 os_parse_cmd_args(popt
->index
, optarg
);
3839 if (qemu_init_main_loop()) {
3840 fprintf(stderr
, "qemu_init_main_loop failed\n");
3844 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3849 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3853 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3858 if (machine
== NULL
) {
3859 fprintf(stderr
, "No machine found.\n");
3863 if (machine
->hw_version
) {
3864 qemu_set_version(machine
->hw_version
);
3867 if (qemu_opts_foreach(qemu_find_opts("object"),
3868 object_create
, NULL
, 0) != 0) {
3872 /* Init CPU def lists, based on config
3873 * - Must be called after all the qemu_read_config_file() calls
3874 * - Must be called before list_cpus()
3875 * - Must be called before machine->init()
3879 if (cpu_model
&& is_help_option(cpu_model
)) {
3880 list_cpus(stdout
, &fprintf
, cpu_model
);
3884 /* Open the logfile at this point, if necessary. We can't open the logfile
3885 * when encountering either of the logging options (-d or -D) because the
3886 * other one may be encountered later on the command line, changing the
3887 * location or level of logging.
3892 qemu_set_log_filename(log_file
);
3895 mask
= qemu_str_to_log_mask(log_mask
);
3897 qemu_print_log_usage(stdout
);
3903 if (!trace_backend_init(trace_events
, trace_file
)) {
3907 /* If no data_dir is specified then try to find it relative to the
3909 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3910 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3911 if (data_dir
[data_dir_idx
] != NULL
) {
3915 /* If all else fails use the install path specified when building. */
3916 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3917 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3920 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3922 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3923 if (smp_cpus
> machine
->max_cpus
) {
3924 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3925 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3931 * Get the default machine options from the machine if it is not already
3932 * specified either by the configuration file or by the command line.
3934 if (machine
->default_machine_opts
) {
3935 qemu_opts_set_defaults(qemu_find_opts("machine"),
3936 machine
->default_machine_opts
, 0);
3939 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3940 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3942 if (machine
->no_serial
) {
3945 if (machine
->no_parallel
) {
3946 default_parallel
= 0;
3948 if (!machine
->use_virtcon
) {
3949 default_virtcon
= 0;
3951 if (!machine
->use_sclp
) {
3954 if (machine
->no_floppy
) {
3957 if (machine
->no_cdrom
) {
3960 if (machine
->no_sdcard
) {
3964 if (is_daemonized()) {
3965 /* According to documentation and historically, -nographic redirects
3966 * serial port, parallel port and monitor to stdio, which does not work
3967 * with -daemonize. We can redirect these to null instead, but since
3968 * -nographic is legacy, let's just error out.
3969 * We disallow -nographic only if all other ports are not redirected
3970 * explicitly, to not break existing legacy setups which uses
3971 * -nographic _and_ redirects all ports explicitly - this is valid
3972 * usage, -nographic is just a no-op in this case.
3974 if (display_type
== DT_NOGRAPHIC
3975 && (default_parallel
|| default_serial
3976 || default_monitor
|| default_virtcon
)) {
3977 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3980 #ifdef CONFIG_CURSES
3981 if (display_type
== DT_CURSES
) {
3982 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3988 if (display_type
== DT_NOGRAPHIC
) {
3989 if (default_parallel
)
3990 add_device_config(DEV_PARALLEL
, "null");
3991 if (default_serial
&& default_monitor
) {
3992 add_device_config(DEV_SERIAL
, "mon:stdio");
3993 } else if (default_virtcon
&& default_monitor
) {
3994 add_device_config(DEV_VIRTCON
, "mon:stdio");
3995 } else if (default_sclp
&& default_monitor
) {
3996 add_device_config(DEV_SCLP
, "mon:stdio");
3999 add_device_config(DEV_SERIAL
, "stdio");
4000 if (default_virtcon
)
4001 add_device_config(DEV_VIRTCON
, "stdio");
4003 add_device_config(DEV_SCLP
, "stdio");
4005 if (default_monitor
)
4006 monitor_parse("stdio", "readline");
4010 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4011 if (default_parallel
)
4012 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4013 if (default_monitor
)
4014 monitor_parse("vc:80Cx24C", "readline");
4015 if (default_virtcon
)
4016 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4018 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4022 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4023 #if defined(CONFIG_GTK)
4024 display_type
= DT_GTK
;
4025 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4026 display_type
= DT_SDL
;
4027 #elif defined(CONFIG_VNC)
4028 vnc_display
= "localhost:0,to=99";
4031 display_type
= DT_NONE
;
4035 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4036 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4037 "for SDL, ignoring option\n");
4039 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4040 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4041 "ignoring option\n");
4044 #if defined(CONFIG_GTK)
4045 if (display_type
== DT_GTK
) {
4046 early_gtk_display_init();
4052 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4054 #ifdef CONFIG_VIRTFS
4055 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4062 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4067 /* init the memory */
4068 if (ram_size
== 0) {
4069 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4072 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4077 configure_accelerator();
4079 if (!qtest_enabled() && qtest_chrdev
) {
4083 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4085 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4086 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4087 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4089 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4093 boot_order
= machine
->boot_order
;
4095 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4097 char *normal_boot_order
;
4098 const char *order
, *once
;
4100 order
= qemu_opt_get(opts
, "order");
4102 validate_bootdevices(order
);
4106 once
= qemu_opt_get(opts
, "once");
4108 validate_bootdevices(once
);
4109 normal_boot_order
= g_strdup(boot_order
);
4111 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4114 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4117 if (!kernel_cmdline
) {
4118 kernel_cmdline
= "";
4121 linux_boot
= (kernel_filename
!= NULL
);
4123 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4124 fprintf(stderr
, "-append only allowed with -kernel option\n");
4128 if (!linux_boot
&& initrd_filename
!= NULL
) {
4129 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4133 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4134 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4138 os_set_line_buffering();
4140 qemu_init_cpu_loop();
4141 qemu_mutex_lock_iothread();
4144 /* spice needs the timers to be initialized by this point */
4148 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4149 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4152 configure_icount(icount_option
);
4154 /* clean up network at qemu process termination */
4155 atexit(&net_cleanup
);
4157 if (net_init_clients() < 0) {
4162 if (tpm_init() < 0) {
4167 /* init the bluetooth world */
4168 if (foreach_device_config(DEV_BT
, bt_parse
))
4171 if (!xen_enabled()) {
4172 /* On 32-bit hosts, QEMU is limited by virtual address space */
4173 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4174 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4179 cpu_exec_init_all();
4183 /* open the virtual block devices */
4185 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4186 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4187 &machine
->block_default_type
, 1) != 0) {
4191 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4193 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4194 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4196 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4198 if (nb_numa_nodes
> 0) {
4201 if (nb_numa_nodes
> MAX_NODES
) {
4202 nb_numa_nodes
= MAX_NODES
;
4205 /* If no memory size if given for any node, assume the default case
4206 * and distribute the available memory equally across all nodes
4208 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4209 if (node_mem
[i
] != 0)
4212 if (i
== nb_numa_nodes
) {
4213 uint64_t usedmem
= 0;
4215 /* On Linux, the each node's border has to be 8MB aligned,
4216 * the final node gets the rest.
4218 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4219 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4220 usedmem
+= node_mem
[i
];
4222 node_mem
[i
] = ram_size
- usedmem
;
4225 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4226 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4230 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4231 * must cope with this anyway, because there are BIOSes out there in
4232 * real machines which also use this scheme.
4234 if (i
== nb_numa_nodes
) {
4235 for (i
= 0; i
< max_cpus
; i
++) {
4236 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4241 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4245 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4247 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4249 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4251 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4254 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4257 /* If no default VGA is requested, the default is "none". */
4259 if (cirrus_vga_available()) {
4260 vga_model
= "cirrus";
4261 } else if (vga_available()) {
4265 select_vgahw(vga_model
);
4268 i
= select_watchdog(watchdog
);
4270 exit (i
== 1 ? 1 : 0);
4273 if (machine
->compat_props
) {
4274 qdev_prop_register_global_list(machine
->compat_props
);
4278 qdev_machine_init();
4280 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4281 .boot_device
= boot_order
,
4282 .kernel_filename
= kernel_filename
,
4283 .kernel_cmdline
= kernel_cmdline
,
4284 .initrd_filename
= initrd_filename
,
4285 .cpu_model
= cpu_model
};
4286 machine
->init(&args
);
4290 cpu_synchronize_all_post_init();
4294 current_machine
= machine
;
4296 /* init USB devices */
4297 if (usb_enabled(false)) {
4298 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4302 /* init generic devices */
4303 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4306 net_check_clients();
4308 ds
= init_displaystate();
4310 /* init local displays */
4311 switch (display_type
) {
4314 #if defined(CONFIG_CURSES)
4316 curses_display_init(ds
, full_screen
);
4319 #if defined(CONFIG_SDL)
4321 sdl_display_init(ds
, full_screen
, no_frame
);
4323 #elif defined(CONFIG_COCOA)
4325 cocoa_display_init(ds
, full_screen
);
4328 #if defined(CONFIG_GTK)
4330 gtk_display_init(ds
, full_screen
);
4337 /* must be after terminal init, SDL library changes signal handlers */
4338 os_setup_signal_handling();
4341 /* init remote displays */
4343 Error
*local_err
= NULL
;
4344 vnc_display_init(ds
);
4345 vnc_display_open(ds
, vnc_display
, &local_err
);
4346 if (local_err
!= NULL
) {
4347 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4348 vnc_display
, error_get_pretty(local_err
));
4349 error_free(local_err
);
4353 if (show_vnc_port
) {
4354 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4359 if (using_spice
&& !qxl_enabled
) {
4360 qemu_spice_display_init(ds
);
4364 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4368 qdev_machine_creation_done();
4370 if (rom_load_all() != 0) {
4371 fprintf(stderr
, "rom loading failed\n");
4375 /* TODO: once all bus devices are qdevified, this should be done
4376 * when bus is created by qdev.c */
4377 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4378 qemu_run_machine_init_done_notifiers();
4380 qemu_system_reset(VMRESET_SILENT
);
4382 if (load_vmstate(loadvm
) < 0) {
4388 Error
*local_err
= NULL
;
4389 qemu_start_incoming_migration(incoming
, &local_err
);
4391 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4392 error_free(local_err
);
4395 } else if (autostart
) {