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_NUMBER
,
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 */ }
520 * Get machine options
522 * Returns: machine options (never null).
524 QemuOpts
*qemu_get_machine_opts(void)
529 list
= qemu_find_opts("machine");
531 opts
= qemu_opts_find(list
, NULL
);
533 opts
= qemu_opts_create_nofail(list
);
538 const char *qemu_get_vm_name(void)
543 static void res_free(void)
545 if (boot_splash_filedata
!= NULL
) {
546 g_free(boot_splash_filedata
);
547 boot_splash_filedata
= NULL
;
551 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
553 const char *driver
= qemu_opt_get(opts
, "driver");
558 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
559 if (strcmp(default_list
[i
].driver
, driver
) != 0)
561 *(default_list
[i
].flag
) = 0;
566 /***********************************************************/
569 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
574 } RunStateTransition
;
576 static const RunStateTransition runstate_transitions_def
[] = {
578 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
580 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
581 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
583 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
584 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
587 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
589 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
590 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
593 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
595 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
596 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
599 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
600 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
602 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
604 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
605 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
606 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
607 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
608 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
609 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
610 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
611 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
612 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
613 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
615 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
617 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
618 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
620 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
621 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
622 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
623 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
625 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
626 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
628 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PAUSED
},
629 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
630 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_DEBUG
},
632 { RUN_STATE_MAX
, RUN_STATE_MAX
},
635 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
637 bool runstate_check(RunState state
)
639 return current_run_state
== state
;
642 static void runstate_init(void)
644 const RunStateTransition
*p
;
646 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
648 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
649 runstate_valid_transitions
[p
->from
][p
->to
] = true;
653 /* This function will abort() on invalid state transitions */
654 void runstate_set(RunState new_state
)
656 assert(new_state
< RUN_STATE_MAX
);
658 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
659 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
660 RunState_lookup
[current_run_state
],
661 RunState_lookup
[new_state
]);
664 trace_runstate_set(new_state
);
665 current_run_state
= new_state
;
668 int runstate_is_running(void)
670 return runstate_check(RUN_STATE_RUNNING
);
673 bool runstate_needs_reset(void)
675 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
676 runstate_check(RUN_STATE_SHUTDOWN
) ||
677 runstate_check(RUN_STATE_GUEST_PANICKED
);
680 StatusInfo
*qmp_query_status(Error
**errp
)
682 StatusInfo
*info
= g_malloc0(sizeof(*info
));
684 info
->running
= runstate_is_running();
685 info
->singlestep
= singlestep
;
686 info
->status
= current_run_state
;
691 /***********************************************************/
692 /* real time host monotonic timer */
694 /***********************************************************/
695 /* host time/date access */
696 void qemu_get_timedate(struct tm
*tm
, int offset
)
702 if (rtc_date_offset
== -1) {
706 localtime_r(&ti
, tm
);
708 ti
-= rtc_date_offset
;
713 int qemu_timedate_diff(struct tm
*tm
)
717 if (rtc_date_offset
== -1)
719 seconds
= mktimegm(tm
);
722 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
723 seconds
= mktime(&tmp
);
726 seconds
= mktimegm(tm
) + rtc_date_offset
;
728 return seconds
- time(NULL
);
731 void rtc_change_mon_event(struct tm
*tm
)
735 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
736 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
737 qobject_decref(data
);
740 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
742 time_t rtc_start_date
;
745 if (!strcmp(startdate
, "now") && legacy
) {
746 rtc_date_offset
= -1;
748 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
756 } else if (sscanf(startdate
, "%d-%d-%d",
768 rtc_start_date
= mktimegm(&tm
);
769 if (rtc_start_date
== -1) {
771 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
772 "'2006-06-17T16:01:21' or '2006-06-17'\n");
775 rtc_date_offset
= time(NULL
) - rtc_start_date
;
779 static void configure_rtc(QemuOpts
*opts
)
783 value
= qemu_opt_get(opts
, "base");
785 if (!strcmp(value
, "utc")) {
787 } else if (!strcmp(value
, "localtime")) {
790 configure_rtc_date_offset(value
, 0);
793 value
= qemu_opt_get(opts
, "clock");
795 if (!strcmp(value
, "host")) {
796 rtc_clock
= host_clock
;
797 } else if (!strcmp(value
, "rt")) {
798 rtc_clock
= rt_clock
;
799 } else if (!strcmp(value
, "vm")) {
800 rtc_clock
= vm_clock
;
802 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
806 value
= qemu_opt_get(opts
, "driftfix");
808 if (!strcmp(value
, "slew")) {
809 static GlobalProperty slew_lost_ticks
[] = {
811 .driver
= "mc146818rtc",
812 .property
= "lost_tick_policy",
815 { /* end of list */ }
818 qdev_prop_register_global_list(slew_lost_ticks
);
819 } else if (!strcmp(value
, "none")) {
820 /* discard is default */
822 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
828 /***********************************************************/
829 /* Bluetooth support */
832 static struct HCIInfo
*hci_table
[MAX_NICS
];
834 static struct bt_vlan_s
{
835 struct bt_scatternet_s net
;
837 struct bt_vlan_s
*next
;
840 /* find or alloc a new bluetooth "VLAN" */
841 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
843 struct bt_vlan_s
**pvlan
, *vlan
;
844 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
848 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
850 pvlan
= &first_bt_vlan
;
851 while (*pvlan
!= NULL
)
852 pvlan
= &(*pvlan
)->next
;
857 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
861 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
866 static struct HCIInfo null_hci
= {
867 .cmd_send
= null_hci_send
,
868 .sco_send
= null_hci_send
,
869 .acl_send
= null_hci_send
,
870 .bdaddr_set
= null_hci_addr_set
,
873 struct HCIInfo
*qemu_next_hci(void)
875 if (cur_hci
== nb_hcis
)
878 return hci_table
[cur_hci
++];
881 static struct HCIInfo
*hci_init(const char *str
)
884 struct bt_scatternet_s
*vlan
= 0;
886 if (!strcmp(str
, "null"))
889 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
891 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
892 else if (!strncmp(str
, "hci", 3)) {
895 if (!strncmp(str
+ 3, ",vlan=", 6)) {
896 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
901 vlan
= qemu_find_bt_vlan(0);
903 return bt_new_hci(vlan
);
906 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
911 static int bt_hci_parse(const char *str
)
916 if (nb_hcis
>= MAX_NICS
) {
917 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
930 bdaddr
.b
[5] = 0x56 + nb_hcis
;
931 hci
->bdaddr_set(hci
, bdaddr
.b
);
933 hci_table
[nb_hcis
++] = hci
;
938 static void bt_vhci_add(int vlan_id
)
940 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
943 fprintf(stderr
, "qemu: warning: adding a VHCI to "
944 "an empty scatternet %i\n", vlan_id
);
946 bt_vhci_init(bt_new_hci(vlan
));
949 static struct bt_device_s
*bt_device_add(const char *opt
)
951 struct bt_scatternet_s
*vlan
;
953 char *endp
= strstr(opt
, ",vlan=");
954 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
957 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
960 vlan_id
= strtol(endp
+ 6, &endp
, 0);
962 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
967 vlan
= qemu_find_bt_vlan(vlan_id
);
970 fprintf(stderr
, "qemu: warning: adding a slave device to "
971 "an empty scatternet %i\n", vlan_id
);
973 if (!strcmp(devname
, "keyboard"))
974 return bt_keyboard_init(vlan
);
976 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
980 static int bt_parse(const char *opt
)
982 const char *endp
, *p
;
985 if (strstart(opt
, "hci", &endp
)) {
986 if (!*endp
|| *endp
== ',') {
988 if (!strstart(endp
, ",vlan=", 0))
991 return bt_hci_parse(opt
);
993 } else if (strstart(opt
, "vhci", &endp
)) {
994 if (!*endp
|| *endp
== ',') {
996 if (strstart(endp
, ",vlan=", &p
)) {
997 vlan
= strtol(p
, (char **) &endp
, 0);
999 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
1003 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
1012 } else if (strstart(opt
, "device:", &endp
))
1013 return !bt_device_add(endp
);
1015 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1019 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts
, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1026 "failed to install seccomp syscall filter in the kernel");
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1031 "sandboxing request but seccomp is not compiled into this build");
1039 bool usb_enabled(bool default_usb
)
1041 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
1045 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1047 int fd
, dupfd
, flags
;
1049 const char *fd_opaque
= NULL
;
1051 fd
= qemu_opt_get_number(opts
, "fd", -1);
1052 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1053 fd_opaque
= qemu_opt_get(opts
, "opaque");
1056 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1057 "fd option is required and must be non-negative");
1061 if (fd
<= STDERR_FILENO
) {
1062 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1063 "fd cannot be a standard I/O stream");
1068 * All fds inherited across exec() necessarily have FD_CLOEXEC
1069 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1071 flags
= fcntl(fd
, F_GETFD
);
1072 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1073 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1074 "fd is not valid or already in use");
1079 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1080 "set option is required and must be non-negative");
1084 #ifdef F_DUPFD_CLOEXEC
1085 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1089 qemu_set_cloexec(dupfd
);
1093 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1094 "Error duplicating fd: %s", strerror(errno
));
1098 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1099 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1105 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1109 fd
= qemu_opt_get_number(opts
, "fd", -1);
1116 /***********************************************************/
1117 /* QEMU Block devices */
1119 #define HD_OPTS "media=disk"
1120 #define CDROM_OPTS "media=cdrom"
1122 #define PFLASH_OPTS ""
1126 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1128 BlockInterfaceType
*block_default_type
= opaque
;
1130 return drive_init(opts
, *block_default_type
) == NULL
;
1133 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1135 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1136 qemu_opt_set(opts
, "snapshot", "on");
1141 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1142 int index
, const char *optstr
)
1146 if (!enable
|| drive_get_by_index(type
, index
)) {
1150 opts
= drive_add(type
, index
, NULL
, optstr
);
1152 drive_enable_snapshot(opts
, NULL
);
1154 if (!drive_init(opts
, type
)) {
1159 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1161 boot_set_handler
= func
;
1162 boot_set_opaque
= opaque
;
1165 int qemu_boot_set(const char *boot_order
)
1167 if (!boot_set_handler
) {
1170 return boot_set_handler(boot_set_opaque
, boot_order
);
1173 static void validate_bootdevices(const char *devices
)
1175 /* We just do some generic consistency checks */
1179 for (p
= devices
; *p
!= '\0'; p
++) {
1180 /* Allowed boot devices are:
1181 * a-b: floppy disk drives
1182 * c-f: IDE disk drives
1183 * g-m: machine implementation dependent drives
1184 * n-p: network devices
1185 * It's up to each machine implementation to check if the given boot
1186 * devices match the actual hardware implementation and firmware
1189 if (*p
< 'a' || *p
> 'p') {
1190 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1193 if (bitmap
& (1 << (*p
- 'a'))) {
1194 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1197 bitmap
|= 1 << (*p
- 'a');
1201 static void restore_boot_order(void *opaque
)
1203 char *normal_boot_order
= opaque
;
1204 static int first
= 1;
1206 /* Restore boot order and remove ourselves after the first boot */
1212 qemu_boot_set(normal_boot_order
);
1214 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1215 g_free(normal_boot_order
);
1218 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1221 FWBootEntry
*node
, *i
;
1223 if (bootindex
< 0) {
1227 assert(dev
!= NULL
|| suffix
!= NULL
);
1229 node
= g_malloc0(sizeof(FWBootEntry
));
1230 node
->bootindex
= bootindex
;
1231 node
->suffix
= g_strdup(suffix
);
1234 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1235 if (i
->bootindex
== bootindex
) {
1236 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1238 } else if (i
->bootindex
< bootindex
) {
1241 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1244 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1247 DeviceState
*get_boot_device(uint32_t position
)
1249 uint32_t counter
= 0;
1250 FWBootEntry
*i
= NULL
;
1251 DeviceState
*res
= NULL
;
1253 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1254 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1255 if (counter
== position
) {
1266 * This function returns null terminated string that consist of new line
1267 * separated device paths.
1269 * memory pointed by "size" is assigned total length of the array in bytes
1272 char *get_boot_devices_list(size_t *size
)
1278 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1279 char *devpath
= NULL
, *bootpath
;
1283 devpath
= qdev_get_fw_dev_path(i
->dev
);
1287 if (i
->suffix
&& devpath
) {
1288 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1290 bootpath
= g_malloc(bootpathlen
);
1291 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1293 } else if (devpath
) {
1297 bootpath
= g_strdup(i
->suffix
);
1301 list
[total
-1] = '\n';
1303 len
= strlen(bootpath
) + 1;
1304 list
= g_realloc(list
, total
+ len
);
1305 memcpy(&list
[total
], bootpath
, len
);
1312 if (boot_strict
&& *size
> 0) {
1313 list
[total
-1] = '\n';
1314 list
= g_realloc(list
, total
+ 5);
1315 memcpy(&list
[total
], "HALT", 5);
1321 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1324 unsigned long long value
, endvalue
;
1326 /* Empty CPU range strings will be considered valid, they will simply
1327 * not set any bit in the CPU bitmap.
1333 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1336 if (*endptr
== '-') {
1337 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1340 } else if (*endptr
== '\0') {
1346 if (endvalue
>= MAX_CPUMASK_BITS
) {
1347 endvalue
= MAX_CPUMASK_BITS
- 1;
1349 "qemu: NUMA: A max of %d VCPUs are supported\n",
1353 if (endvalue
< value
) {
1357 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1361 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1365 static void numa_add(const char *optarg
)
1369 unsigned long long nodenr
;
1371 optarg
= get_opt_name(option
, 128, optarg
, ',');
1372 if (*optarg
== ',') {
1375 if (!strcmp(option
, "node")) {
1377 if (nb_numa_nodes
>= MAX_NODES
) {
1378 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1382 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1383 nodenr
= nb_numa_nodes
;
1385 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1386 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1391 if (nodenr
>= MAX_NODES
) {
1392 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1396 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1397 node_mem
[nodenr
] = 0;
1400 sval
= strtosz(option
, &endptr
);
1401 if (sval
< 0 || *endptr
) {
1402 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1405 node_mem
[nodenr
] = sval
;
1407 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1408 numa_node_parse_cpus(nodenr
, option
);
1412 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1417 static QemuOptsList qemu_smp_opts
= {
1419 .implied_opt_name
= "cpus",
1420 .merge_lists
= true,
1421 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1425 .type
= QEMU_OPT_NUMBER
,
1428 .type
= QEMU_OPT_NUMBER
,
1431 .type
= QEMU_OPT_NUMBER
,
1434 .type
= QEMU_OPT_NUMBER
,
1437 .type
= QEMU_OPT_NUMBER
,
1439 { /*End of list */ }
1443 static void smp_parse(QemuOpts
*opts
)
1447 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1448 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1449 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1450 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1452 /* compute missing values, prefer sockets over cores over threads */
1453 if (cpus
== 0 || sockets
== 0) {
1454 sockets
= sockets
> 0 ? sockets
: 1;
1455 cores
= cores
> 0 ? cores
: 1;
1456 threads
= threads
> 0 ? threads
: 1;
1458 cpus
= cores
* threads
* sockets
;
1462 threads
= threads
> 0 ? threads
: 1;
1463 cores
= cpus
/ (sockets
* threads
);
1465 threads
= cpus
/ (cores
* sockets
);
1469 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1472 smp_cores
= cores
> 0 ? cores
: 1;
1473 smp_threads
= threads
> 0 ? threads
: 1;
1477 if (max_cpus
== 0) {
1478 max_cpus
= smp_cpus
;
1481 if (max_cpus
> 255) {
1482 fprintf(stderr
, "Unsupported number of maxcpus\n");
1485 if (max_cpus
< smp_cpus
) {
1486 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1492 static void configure_realtime(QemuOpts
*opts
)
1496 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1499 if (os_mlock() < 0) {
1500 fprintf(stderr
, "qemu: locking memory failed\n");
1506 /***********************************************************/
1509 static int usb_device_add(const char *devname
)
1512 USBDevice
*dev
= NULL
;
1514 if (!usb_enabled(false)) {
1518 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1519 dev
= usbdevice_create(devname
);
1523 /* the other ones */
1524 #ifndef CONFIG_LINUX
1525 /* only the linux version is qdev-ified, usb-bsd still needs this */
1526 if (strstart(devname
, "host:", &p
)) {
1527 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1530 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1531 dev
= usb_bt_init(usb_bus_find(-1),
1532 devname
[2] ? hci_init(p
)
1533 : bt_new_hci(qemu_find_bt_vlan(0)));
1544 static int usb_device_del(const char *devname
)
1549 if (strstart(devname
, "host:", &p
)) {
1553 if (!usb_enabled(false)) {
1557 p
= strchr(devname
, '.');
1560 bus_num
= strtoul(devname
, NULL
, 0);
1561 addr
= strtoul(p
+ 1, NULL
, 0);
1563 return usb_device_delete_addr(bus_num
, addr
);
1566 static int usb_parse(const char *cmdline
)
1569 r
= usb_device_add(cmdline
);
1571 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1576 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1578 const char *devname
= qdict_get_str(qdict
, "devname");
1579 if (usb_device_add(devname
) < 0) {
1580 error_report("could not add USB device '%s'", devname
);
1584 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1586 const char *devname
= qdict_get_str(qdict
, "devname");
1587 if (usb_device_del(devname
) < 0) {
1588 error_report("could not delete USB device '%s'", devname
);
1592 /***********************************************************/
1593 /* PCMCIA/Cardbus */
1595 static struct pcmcia_socket_entry_s
{
1596 PCMCIASocket
*socket
;
1597 struct pcmcia_socket_entry_s
*next
;
1598 } *pcmcia_sockets
= 0;
1600 void pcmcia_socket_register(PCMCIASocket
*socket
)
1602 struct pcmcia_socket_entry_s
*entry
;
1604 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1605 entry
->socket
= socket
;
1606 entry
->next
= pcmcia_sockets
;
1607 pcmcia_sockets
= entry
;
1610 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1612 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1614 ptr
= &pcmcia_sockets
;
1615 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1616 if (entry
->socket
== socket
) {
1622 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1624 struct pcmcia_socket_entry_s
*iter
;
1626 if (!pcmcia_sockets
)
1627 monitor_printf(mon
, "No PCMCIA sockets\n");
1629 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1630 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1631 iter
->socket
->attached
? iter
->socket
->card_string
:
1635 /***********************************************************/
1636 /* machine registration */
1638 static QEMUMachine
*first_machine
= NULL
;
1639 QEMUMachine
*current_machine
= NULL
;
1641 int qemu_register_machine(QEMUMachine
*m
)
1644 pm
= &first_machine
;
1652 static QEMUMachine
*find_machine(const char *name
)
1656 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1657 if (!strcmp(m
->name
, name
))
1659 if (m
->alias
&& !strcmp(m
->alias
, name
))
1665 QEMUMachine
*find_default_machine(void)
1669 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1670 if (m
->is_default
) {
1677 MachineInfoList
*qmp_query_machines(Error
**errp
)
1679 MachineInfoList
*mach_list
= NULL
;
1682 for (m
= first_machine
; m
; m
= m
->next
) {
1683 MachineInfoList
*entry
;
1686 info
= g_malloc0(sizeof(*info
));
1687 if (m
->is_default
) {
1688 info
->has_is_default
= true;
1689 info
->is_default
= true;
1693 info
->has_alias
= true;
1694 info
->alias
= g_strdup(m
->alias
);
1697 info
->name
= g_strdup(m
->name
);
1698 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1700 entry
= g_malloc0(sizeof(*entry
));
1701 entry
->value
= info
;
1702 entry
->next
= mach_list
;
1709 /***********************************************************/
1710 /* main execution loop */
1712 struct vm_change_state_entry
{
1713 VMChangeStateHandler
*cb
;
1715 QLIST_ENTRY (vm_change_state_entry
) entries
;
1718 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1720 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1723 VMChangeStateEntry
*e
;
1725 e
= g_malloc0(sizeof (*e
));
1729 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1733 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1735 QLIST_REMOVE (e
, entries
);
1739 void vm_state_notify(int running
, RunState state
)
1741 VMChangeStateEntry
*e
;
1743 trace_vm_state_notify(running
, state
);
1745 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1746 e
->cb(e
->opaque
, running
, state
);
1752 if (!runstate_is_running()) {
1754 runstate_set(RUN_STATE_RUNNING
);
1755 vm_state_notify(1, RUN_STATE_RUNNING
);
1757 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1761 /* reset/shutdown handler */
1763 typedef struct QEMUResetEntry
{
1764 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1765 QEMUResetHandler
*func
;
1769 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1770 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1771 static int reset_requested
;
1772 static int shutdown_requested
, shutdown_signal
= -1;
1773 static pid_t shutdown_pid
;
1774 static int powerdown_requested
;
1775 static int debug_requested
;
1776 static int suspend_requested
;
1777 static int wakeup_requested
;
1778 static NotifierList powerdown_notifiers
=
1779 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1780 static NotifierList suspend_notifiers
=
1781 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1782 static NotifierList wakeup_notifiers
=
1783 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1784 static uint32_t wakeup_reason_mask
= ~0;
1785 static RunState vmstop_requested
= RUN_STATE_MAX
;
1787 int qemu_shutdown_requested_get(void)
1789 return shutdown_requested
;
1792 int qemu_reset_requested_get(void)
1794 return reset_requested
;
1797 static int qemu_shutdown_requested(void)
1799 int r
= shutdown_requested
;
1800 shutdown_requested
= 0;
1804 static void qemu_kill_report(void)
1806 if (!qtest_enabled() && shutdown_signal
!= -1) {
1807 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1808 if (shutdown_pid
== 0) {
1809 /* This happens for eg ^C at the terminal, so it's worth
1810 * avoiding printing an odd message in that case.
1812 fputc('\n', stderr
);
1814 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1816 shutdown_signal
= -1;
1820 static int qemu_reset_requested(void)
1822 int r
= reset_requested
;
1823 reset_requested
= 0;
1827 static int qemu_suspend_requested(void)
1829 int r
= suspend_requested
;
1830 suspend_requested
= 0;
1834 static int qemu_wakeup_requested(void)
1836 int r
= wakeup_requested
;
1837 wakeup_requested
= 0;
1841 static int qemu_powerdown_requested(void)
1843 int r
= powerdown_requested
;
1844 powerdown_requested
= 0;
1848 static int qemu_debug_requested(void)
1850 int r
= debug_requested
;
1851 debug_requested
= 0;
1855 /* We use RUN_STATE_MAX but any invalid value will do */
1856 static bool qemu_vmstop_requested(RunState
*r
)
1858 if (vmstop_requested
< RUN_STATE_MAX
) {
1859 *r
= vmstop_requested
;
1860 vmstop_requested
= RUN_STATE_MAX
;
1867 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1869 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1872 re
->opaque
= opaque
;
1873 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1876 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1880 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1881 if (re
->func
== func
&& re
->opaque
== opaque
) {
1882 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1889 void qemu_devices_reset(void)
1891 QEMUResetEntry
*re
, *nre
;
1893 /* reset all devices */
1894 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1895 re
->func(re
->opaque
);
1899 void qemu_system_reset(bool report
)
1901 if (current_machine
&& current_machine
->reset
) {
1902 current_machine
->reset();
1904 qemu_devices_reset();
1907 monitor_protocol_event(QEVENT_RESET
, NULL
);
1909 cpu_synchronize_all_post_reset();
1912 void qemu_system_reset_request(void)
1915 shutdown_requested
= 1;
1917 reset_requested
= 1;
1920 qemu_notify_event();
1923 static void qemu_system_suspend(void)
1926 notifier_list_notify(&suspend_notifiers
, NULL
);
1927 runstate_set(RUN_STATE_SUSPENDED
);
1928 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1931 void qemu_system_suspend_request(void)
1933 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1936 suspend_requested
= 1;
1938 qemu_notify_event();
1941 void qemu_register_suspend_notifier(Notifier
*notifier
)
1943 notifier_list_add(&suspend_notifiers
, notifier
);
1946 void qemu_system_wakeup_request(WakeupReason reason
)
1948 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1951 if (!(wakeup_reason_mask
& (1 << reason
))) {
1954 runstate_set(RUN_STATE_RUNNING
);
1955 notifier_list_notify(&wakeup_notifiers
, &reason
);
1956 wakeup_requested
= 1;
1957 qemu_notify_event();
1960 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1963 wakeup_reason_mask
|= (1 << reason
);
1965 wakeup_reason_mask
&= ~(1 << reason
);
1969 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1971 notifier_list_add(&wakeup_notifiers
, notifier
);
1974 void qemu_system_killed(int signal
, pid_t pid
)
1976 shutdown_signal
= signal
;
1979 qemu_system_shutdown_request();
1982 void qemu_system_shutdown_request(void)
1984 shutdown_requested
= 1;
1985 qemu_notify_event();
1988 static void qemu_system_powerdown(void)
1990 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1991 notifier_list_notify(&powerdown_notifiers
, NULL
);
1994 void qemu_system_powerdown_request(void)
1996 powerdown_requested
= 1;
1997 qemu_notify_event();
2000 void qemu_register_powerdown_notifier(Notifier
*notifier
)
2002 notifier_list_add(&powerdown_notifiers
, notifier
);
2005 void qemu_system_debug_request(void)
2007 debug_requested
= 1;
2008 qemu_notify_event();
2011 void qemu_system_vmstop_request(RunState state
)
2013 vmstop_requested
= state
;
2014 qemu_notify_event();
2017 static bool main_loop_should_exit(void)
2020 if (qemu_debug_requested()) {
2021 vm_stop(RUN_STATE_DEBUG
);
2023 if (qemu_suspend_requested()) {
2024 qemu_system_suspend();
2026 if (qemu_shutdown_requested()) {
2028 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2030 vm_stop(RUN_STATE_SHUTDOWN
);
2035 if (qemu_reset_requested()) {
2037 cpu_synchronize_all_states();
2038 qemu_system_reset(VMRESET_REPORT
);
2040 if (runstate_needs_reset()) {
2041 runstate_set(RUN_STATE_PAUSED
);
2044 if (qemu_wakeup_requested()) {
2046 cpu_synchronize_all_states();
2047 qemu_system_reset(VMRESET_SILENT
);
2049 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2051 if (qemu_powerdown_requested()) {
2052 qemu_system_powerdown();
2054 if (qemu_vmstop_requested(&r
)) {
2060 static void main_loop(void)
2064 #ifdef CONFIG_PROFILER
2068 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2069 #ifdef CONFIG_PROFILER
2070 ti
= profile_getclock();
2072 last_io
= main_loop_wait(nonblocking
);
2073 #ifdef CONFIG_PROFILER
2074 dev_time
+= profile_getclock() - ti
;
2076 } while (!main_loop_should_exit());
2079 static void version(void)
2081 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2084 static void help(int exitcode
)
2087 printf("usage: %s [options] [disk_image]\n\n"
2088 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2089 error_get_progname());
2091 #define QEMU_OPTIONS_GENERATE_HELP
2092 #include "qemu-options-wrapper.h"
2094 printf("\nDuring emulation, the following keys are useful:\n"
2095 "ctrl-alt-f toggle full screen\n"
2096 "ctrl-alt-n switch to virtual console 'n'\n"
2097 "ctrl-alt toggle mouse and keyboard grab\n"
2099 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2104 #define HAS_ARG 0x0001
2106 typedef struct QEMUOption
{
2113 static const QEMUOption qemu_options
[] = {
2114 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2115 #define QEMU_OPTIONS_GENERATE_OPTIONS
2116 #include "qemu-options-wrapper.h"
2120 static bool vga_available(void)
2122 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2125 static bool cirrus_vga_available(void)
2127 return object_class_by_name("cirrus-vga")
2128 || object_class_by_name("isa-cirrus-vga");
2131 static bool vmware_vga_available(void)
2133 return object_class_by_name("vmware-svga");
2136 static bool qxl_vga_available(void)
2138 return object_class_by_name("qxl-vga");
2141 static void select_vgahw (const char *p
)
2145 vga_interface_type
= VGA_NONE
;
2146 if (strstart(p
, "std", &opts
)) {
2147 if (vga_available()) {
2148 vga_interface_type
= VGA_STD
;
2150 fprintf(stderr
, "Error: standard VGA not available\n");
2153 } else if (strstart(p
, "cirrus", &opts
)) {
2154 if (cirrus_vga_available()) {
2155 vga_interface_type
= VGA_CIRRUS
;
2157 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2160 } else if (strstart(p
, "vmware", &opts
)) {
2161 if (vmware_vga_available()) {
2162 vga_interface_type
= VGA_VMWARE
;
2164 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2167 } else if (strstart(p
, "xenfb", &opts
)) {
2168 vga_interface_type
= VGA_XENFB
;
2169 } else if (strstart(p
, "qxl", &opts
)) {
2170 if (qxl_vga_available()) {
2171 vga_interface_type
= VGA_QXL
;
2173 fprintf(stderr
, "Error: QXL VGA not available\n");
2176 } else if (!strstart(p
, "none", &opts
)) {
2178 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2182 const char *nextopt
;
2184 if (strstart(opts
, ",retrace=", &nextopt
)) {
2186 if (strstart(opts
, "dumb", &nextopt
))
2187 vga_retrace_method
= VGA_RETRACE_DUMB
;
2188 else if (strstart(opts
, "precise", &nextopt
))
2189 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2190 else goto invalid_vga
;
2191 } else goto invalid_vga
;
2196 static DisplayType
select_display(const char *p
)
2199 DisplayType display
= DT_DEFAULT
;
2201 if (strstart(p
, "sdl", &opts
)) {
2205 const char *nextopt
;
2207 if (strstart(opts
, ",frame=", &nextopt
)) {
2209 if (strstart(opts
, "on", &nextopt
)) {
2211 } else if (strstart(opts
, "off", &nextopt
)) {
2214 goto invalid_sdl_args
;
2216 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2218 if (strstart(opts
, "on", &nextopt
)) {
2220 } else if (strstart(opts
, "off", &nextopt
)) {
2223 goto invalid_sdl_args
;
2225 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2227 if (strstart(opts
, "on", &nextopt
)) {
2229 } else if (strstart(opts
, "off", &nextopt
)) {
2232 goto invalid_sdl_args
;
2234 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2236 if (strstart(opts
, "on", &nextopt
)) {
2238 } else if (strstart(opts
, "off", &nextopt
)) {
2241 goto invalid_sdl_args
;
2245 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2251 fprintf(stderr
, "SDL support is disabled\n");
2254 } else if (strstart(p
, "vnc", &opts
)) {
2259 const char *nextopt
;
2261 if (strstart(opts
, "=", &nextopt
)) {
2262 vnc_display
= nextopt
;
2266 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2270 fprintf(stderr
, "VNC support is disabled\n");
2273 } else if (strstart(p
, "curses", &opts
)) {
2274 #ifdef CONFIG_CURSES
2275 display
= DT_CURSES
;
2277 fprintf(stderr
, "Curses support is disabled\n");
2280 } else if (strstart(p
, "gtk", &opts
)) {
2284 fprintf(stderr
, "GTK support is disabled\n");
2287 } else if (strstart(p
, "none", &opts
)) {
2290 fprintf(stderr
, "Unknown display type: %s\n", p
);
2297 static int balloon_parse(const char *arg
)
2301 if (strcmp(arg
, "none") == 0) {
2305 if (!strncmp(arg
, "virtio", 6)) {
2306 if (arg
[6] == ',') {
2307 /* have params -> parse them */
2308 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2312 /* create empty opts */
2313 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2315 qemu_opt_set(opts
, "driver", "virtio-balloon");
2322 char *qemu_find_file(int type
, const char *name
)
2328 /* Try the name as a straight path first */
2329 if (access(name
, R_OK
) == 0) {
2330 trace_load_file(name
, name
);
2331 return g_strdup(name
);
2335 case QEMU_FILE_TYPE_BIOS
:
2338 case QEMU_FILE_TYPE_KEYMAP
:
2339 subdir
= "keymaps/";
2345 for (i
= 0; i
< data_dir_idx
; i
++) {
2346 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2347 if (access(buf
, R_OK
) == 0) {
2348 trace_load_file(name
, buf
);
2356 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2358 return qdev_device_help(opts
);
2361 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2365 dev
= qdev_device_add(opts
);
2368 object_unref(OBJECT(dev
));
2372 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2374 Error
*local_err
= NULL
;
2376 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2377 if (error_is_set(&local_err
)) {
2378 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2379 error_free(local_err
);
2385 #ifdef CONFIG_VIRTFS
2386 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2389 ret
= qemu_fsdev_add(opts
);
2395 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2397 CharDriverState
*chr
;
2398 const char *chardev
;
2402 mode
= qemu_opt_get(opts
, "mode");
2406 if (strcmp(mode
, "readline") == 0) {
2407 flags
= MONITOR_USE_READLINE
;
2408 } else if (strcmp(mode
, "control") == 0) {
2409 flags
= MONITOR_USE_CONTROL
;
2411 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2415 if (qemu_opt_get_bool(opts
, "pretty", 0))
2416 flags
|= MONITOR_USE_PRETTY
;
2418 if (qemu_opt_get_bool(opts
, "default", 0))
2419 flags
|= MONITOR_IS_DEFAULT
;
2421 chardev
= qemu_opt_get(opts
, "chardev");
2422 chr
= qemu_chr_find(chardev
);
2424 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2428 qemu_chr_fe_claim_no_fail(chr
);
2429 monitor_init(chr
, flags
);
2433 static void monitor_parse(const char *optarg
, const char *mode
)
2435 static int monitor_device_index
= 0;
2441 if (strstart(optarg
, "chardev:", &p
)) {
2442 snprintf(label
, sizeof(label
), "%s", p
);
2444 snprintf(label
, sizeof(label
), "compat_monitor%d",
2445 monitor_device_index
);
2446 if (monitor_device_index
== 0) {
2449 opts
= qemu_chr_parse_compat(label
, optarg
);
2451 fprintf(stderr
, "parse error: %s\n", optarg
);
2456 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2458 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2461 qemu_opt_set(opts
, "mode", mode
);
2462 qemu_opt_set(opts
, "chardev", label
);
2464 qemu_opt_set(opts
, "default", "on");
2465 monitor_device_index
++;
2468 struct device_config
{
2470 DEV_USB
, /* -usbdevice */
2472 DEV_SERIAL
, /* -serial */
2473 DEV_PARALLEL
, /* -parallel */
2474 DEV_VIRTCON
, /* -virtioconsole */
2475 DEV_DEBUGCON
, /* -debugcon */
2476 DEV_GDB
, /* -gdb, -s */
2477 DEV_SCLP
, /* s390 sclp */
2479 const char *cmdline
;
2481 QTAILQ_ENTRY(device_config
) next
;
2484 static QTAILQ_HEAD(, device_config
) device_configs
=
2485 QTAILQ_HEAD_INITIALIZER(device_configs
);
2487 static void add_device_config(int type
, const char *cmdline
)
2489 struct device_config
*conf
;
2491 conf
= g_malloc0(sizeof(*conf
));
2493 conf
->cmdline
= cmdline
;
2494 loc_save(&conf
->loc
);
2495 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2498 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2500 struct device_config
*conf
;
2503 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2504 if (conf
->type
!= type
)
2506 loc_push_restore(&conf
->loc
);
2507 rc
= func(conf
->cmdline
);
2508 loc_pop(&conf
->loc
);
2515 static int serial_parse(const char *devname
)
2517 static int index
= 0;
2520 if (strcmp(devname
, "none") == 0)
2522 if (index
== MAX_SERIAL_PORTS
) {
2523 fprintf(stderr
, "qemu: too many serial ports\n");
2526 snprintf(label
, sizeof(label
), "serial%d", index
);
2527 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2528 if (!serial_hds
[index
]) {
2529 fprintf(stderr
, "qemu: could not connect serial device"
2530 " to character backend '%s'\n", devname
);
2537 static int parallel_parse(const char *devname
)
2539 static int index
= 0;
2542 if (strcmp(devname
, "none") == 0)
2544 if (index
== MAX_PARALLEL_PORTS
) {
2545 fprintf(stderr
, "qemu: too many parallel ports\n");
2548 snprintf(label
, sizeof(label
), "parallel%d", index
);
2549 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2550 if (!parallel_hds
[index
]) {
2551 fprintf(stderr
, "qemu: could not connect parallel device"
2552 " to character backend '%s'\n", devname
);
2559 static int virtcon_parse(const char *devname
)
2561 QemuOptsList
*device
= qemu_find_opts("device");
2562 static int index
= 0;
2564 QemuOpts
*bus_opts
, *dev_opts
;
2566 if (strcmp(devname
, "none") == 0)
2568 if (index
== MAX_VIRTIO_CONSOLES
) {
2569 fprintf(stderr
, "qemu: too many virtio consoles\n");
2573 bus_opts
= qemu_opts_create_nofail(device
);
2574 if (arch_type
== QEMU_ARCH_S390X
) {
2575 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2577 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2580 dev_opts
= qemu_opts_create_nofail(device
);
2581 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2583 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2584 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2585 if (!virtcon_hds
[index
]) {
2586 fprintf(stderr
, "qemu: could not connect virtio console"
2587 " to character backend '%s'\n", devname
);
2590 qemu_opt_set(dev_opts
, "chardev", label
);
2596 static int sclp_parse(const char *devname
)
2598 QemuOptsList
*device
= qemu_find_opts("device");
2599 static int index
= 0;
2603 if (strcmp(devname
, "none") == 0) {
2606 if (index
== MAX_SCLP_CONSOLES
) {
2607 fprintf(stderr
, "qemu: too many sclp consoles\n");
2611 assert(arch_type
== QEMU_ARCH_S390X
);
2613 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2614 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2616 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2617 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2618 if (!sclp_hds
[index
]) {
2619 fprintf(stderr
, "qemu: could not connect sclp console"
2620 " to character backend '%s'\n", devname
);
2623 qemu_opt_set(dev_opts
, "chardev", label
);
2629 static int debugcon_parse(const char *devname
)
2633 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2636 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2638 fprintf(stderr
, "qemu: already have a debugcon device\n");
2641 qemu_opt_set(opts
, "driver", "isa-debugcon");
2642 qemu_opt_set(opts
, "chardev", "debugcon");
2646 static QEMUMachine
*machine_parse(const char *name
)
2648 QEMUMachine
*m
, *machine
= NULL
;
2651 machine
= find_machine(name
);
2656 printf("Supported machines are:\n");
2657 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2659 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2661 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2662 m
->is_default
? " (default)" : "");
2664 exit(!name
|| !is_help_option(name
));
2667 static int tcg_init(void)
2669 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2674 const char *opt_name
;
2676 int (*available
)(void);
2680 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2681 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2682 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2683 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2686 static int configure_accelerator(void)
2691 bool accel_initialised
= false;
2692 bool init_failed
= false;
2694 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2696 /* Use the default "accelerator", tcg */
2700 while (!accel_initialised
&& *p
!= '\0') {
2704 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2705 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2706 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2707 if (!accel_list
[i
].available()) {
2708 printf("%s not supported for this target\n",
2709 accel_list
[i
].name
);
2712 *(accel_list
[i
].allowed
) = true;
2713 ret
= accel_list
[i
].init();
2716 fprintf(stderr
, "failed to initialize %s: %s\n",
2719 *(accel_list
[i
].allowed
) = false;
2721 accel_initialised
= true;
2726 if (i
== ARRAY_SIZE(accel_list
)) {
2727 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2731 if (!accel_initialised
) {
2733 fprintf(stderr
, "No accelerator found!\n");
2739 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2742 return !accel_initialised
;
2745 void qemu_add_exit_notifier(Notifier
*notify
)
2747 notifier_list_add(&exit_notifiers
, notify
);
2750 void qemu_remove_exit_notifier(Notifier
*notify
)
2752 notifier_remove(notify
);
2755 static void qemu_run_exit_notifiers(void)
2757 notifier_list_notify(&exit_notifiers
, NULL
);
2760 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2762 notifier_list_add(&machine_init_done_notifiers
, notify
);
2765 static void qemu_run_machine_init_done_notifiers(void)
2767 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2770 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2771 const char **poptarg
, int *poptind
)
2773 const QEMUOption
*popt
;
2774 int optind
= *poptind
;
2775 char *r
= argv
[optind
];
2778 loc_set_cmdline(argv
, optind
, 1);
2780 /* Treat --foo the same as -foo. */
2783 popt
= qemu_options
;
2786 error_report("invalid option");
2789 if (!strcmp(popt
->name
, r
+ 1))
2793 if (popt
->flags
& HAS_ARG
) {
2794 if (optind
>= argc
) {
2795 error_report("requires an argument");
2798 optarg
= argv
[optind
++];
2799 loc_set_cmdline(argv
, optind
- 2, 2);
2810 static gpointer
malloc_and_trace(gsize n_bytes
)
2812 void *ptr
= malloc(n_bytes
);
2813 trace_g_malloc(n_bytes
, ptr
);
2817 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2819 void *ptr
= realloc(mem
, n_bytes
);
2820 trace_g_realloc(mem
, n_bytes
, ptr
);
2824 static void free_and_trace(gpointer mem
)
2830 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2832 Object
*obj
= OBJECT(opaque
);
2833 StringInputVisitor
*siv
;
2834 Error
*local_err
= NULL
;
2836 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2840 siv
= string_input_visitor_new(value
);
2841 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2842 string_input_visitor_cleanup(siv
);
2845 qerror_report_err(local_err
);
2846 error_free(local_err
);
2853 static int object_create(QemuOpts
*opts
, void *opaque
)
2855 const char *type
= qemu_opt_get(opts
, "qom-type");
2856 const char *id
= qemu_opts_id(opts
);
2859 g_assert(type
!= NULL
);
2862 qerror_report(QERR_MISSING_PARAMETER
, "id");
2866 obj
= object_new(type
);
2867 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2871 object_property_add_child(container_get(object_get_root(), "/objects"),
2877 int main(int argc
, char **argv
, char **envp
)
2880 int snapshot
, linux_boot
;
2881 const char *icount_option
= NULL
;
2882 const char *initrd_filename
;
2883 const char *kernel_filename
, *kernel_cmdline
;
2884 const char *boot_order
= NULL
;
2886 int cyls
, heads
, secs
, translation
;
2887 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2888 QemuOptsList
*olist
;
2891 const char *loadvm
= NULL
;
2892 QEMUMachine
*machine
;
2893 const char *cpu_model
;
2894 const char *vga_model
= "none";
2895 const char *pid_file
= NULL
;
2896 const char *incoming
= NULL
;
2898 int show_vnc_port
= 0;
2900 bool defconfig
= true;
2901 bool userconfig
= true;
2902 const char *log_mask
= NULL
;
2903 const char *log_file
= NULL
;
2904 GMemVTable mem_trace
= {
2905 .malloc
= malloc_and_trace
,
2906 .realloc
= realloc_and_trace
,
2907 .free
= free_and_trace
,
2909 const char *trace_events
= NULL
;
2910 const char *trace_file
= NULL
;
2912 atexit(qemu_run_exit_notifiers
);
2913 error_set_progname(argv
[0]);
2915 g_mem_set_vtable(&mem_trace
);
2916 if (!g_thread_supported()) {
2917 #if !GLIB_CHECK_VERSION(2, 31, 0)
2918 g_thread_init(NULL
);
2920 fprintf(stderr
, "glib threading failed to initialize.\n");
2925 module_call_init(MODULE_INIT_QOM
);
2927 qemu_add_opts(&qemu_drive_opts
);
2928 qemu_add_opts(&qemu_chardev_opts
);
2929 qemu_add_opts(&qemu_device_opts
);
2930 qemu_add_opts(&qemu_netdev_opts
);
2931 qemu_add_opts(&qemu_net_opts
);
2932 qemu_add_opts(&qemu_rtc_opts
);
2933 qemu_add_opts(&qemu_global_opts
);
2934 qemu_add_opts(&qemu_mon_opts
);
2935 qemu_add_opts(&qemu_trace_opts
);
2936 qemu_add_opts(&qemu_option_rom_opts
);
2937 qemu_add_opts(&qemu_machine_opts
);
2938 qemu_add_opts(&qemu_smp_opts
);
2939 qemu_add_opts(&qemu_boot_opts
);
2940 qemu_add_opts(&qemu_sandbox_opts
);
2941 qemu_add_opts(&qemu_add_fd_opts
);
2942 qemu_add_opts(&qemu_object_opts
);
2943 qemu_add_opts(&qemu_tpmdev_opts
);
2944 qemu_add_opts(&qemu_realtime_opts
);
2949 rtc_clock
= host_clock
;
2951 qemu_cache_utils_init(envp
);
2953 QLIST_INIT (&vm_change_state_head
);
2954 os_setup_early_signal_handling();
2956 module_call_init(MODULE_INIT_MACHINE
);
2957 machine
= find_default_machine();
2961 cyls
= heads
= secs
= 0;
2962 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2964 for (i
= 0; i
< MAX_NODES
; i
++) {
2966 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2972 bdrv_init_with_whitelist();
2976 /* first pass of option parsing */
2978 while (optind
< argc
) {
2979 if (argv
[optind
][0] != '-') {
2984 const QEMUOption
*popt
;
2986 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2987 switch (popt
->index
) {
2988 case QEMU_OPTION_nodefconfig
:
2991 case QEMU_OPTION_nouserconfig
:
3000 ret
= qemu_read_default_config_files(userconfig
);
3006 /* second pass of option parsing */
3011 if (argv
[optind
][0] != '-') {
3012 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3014 const QEMUOption
*popt
;
3016 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3017 if (!(popt
->arch_mask
& arch_type
)) {
3018 printf("Option %s not supported for this target\n", popt
->name
);
3021 switch(popt
->index
) {
3023 machine
= machine_parse(optarg
);
3025 case QEMU_OPTION_no_kvm_irqchip
: {
3026 olist
= qemu_find_opts("machine");
3027 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3030 case QEMU_OPTION_cpu
:
3031 /* hw initialization will check this */
3034 case QEMU_OPTION_hda
:
3038 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3040 snprintf(buf
, sizeof(buf
),
3041 "%s,cyls=%d,heads=%d,secs=%d%s",
3042 HD_OPTS
, cyls
, heads
, secs
,
3043 translation
== BIOS_ATA_TRANSLATION_LBA
?
3045 translation
== BIOS_ATA_TRANSLATION_NONE
?
3046 ",trans=none" : "");
3047 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3050 case QEMU_OPTION_hdb
:
3051 case QEMU_OPTION_hdc
:
3052 case QEMU_OPTION_hdd
:
3053 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3056 case QEMU_OPTION_drive
:
3057 if (drive_def(optarg
) == NULL
) {
3061 case QEMU_OPTION_set
:
3062 if (qemu_set_option(optarg
) != 0)
3065 case QEMU_OPTION_global
:
3066 if (qemu_global_option(optarg
) != 0)
3069 case QEMU_OPTION_mtdblock
:
3070 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3072 case QEMU_OPTION_sd
:
3073 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3075 case QEMU_OPTION_pflash
:
3076 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3078 case QEMU_OPTION_snapshot
:
3081 case QEMU_OPTION_hdachs
:
3085 cyls
= strtol(p
, (char **)&p
, 0);
3086 if (cyls
< 1 || cyls
> 16383)
3091 heads
= strtol(p
, (char **)&p
, 0);
3092 if (heads
< 1 || heads
> 16)
3097 secs
= strtol(p
, (char **)&p
, 0);
3098 if (secs
< 1 || secs
> 63)
3102 if (!strcmp(p
, "none"))
3103 translation
= BIOS_ATA_TRANSLATION_NONE
;
3104 else if (!strcmp(p
, "lba"))
3105 translation
= BIOS_ATA_TRANSLATION_LBA
;
3106 else if (!strcmp(p
, "auto"))
3107 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3110 } else if (*p
!= '\0') {
3112 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3115 if (hda_opts
!= NULL
) {
3117 snprintf(num
, sizeof(num
), "%d", cyls
);
3118 qemu_opt_set(hda_opts
, "cyls", num
);
3119 snprintf(num
, sizeof(num
), "%d", heads
);
3120 qemu_opt_set(hda_opts
, "heads", num
);
3121 snprintf(num
, sizeof(num
), "%d", secs
);
3122 qemu_opt_set(hda_opts
, "secs", num
);
3123 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3124 qemu_opt_set(hda_opts
, "trans", "lba");
3125 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3126 qemu_opt_set(hda_opts
, "trans", "none");
3130 case QEMU_OPTION_numa
:
3133 case QEMU_OPTION_display
:
3134 display_type
= select_display(optarg
);
3136 case QEMU_OPTION_nographic
:
3137 display_type
= DT_NOGRAPHIC
;
3139 case QEMU_OPTION_curses
:
3140 #ifdef CONFIG_CURSES
3141 display_type
= DT_CURSES
;
3143 fprintf(stderr
, "Curses support is disabled\n");
3147 case QEMU_OPTION_portrait
:
3148 graphic_rotate
= 90;
3150 case QEMU_OPTION_rotate
:
3151 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3152 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3153 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3155 "qemu: only 90, 180, 270 deg rotation is available\n");
3159 case QEMU_OPTION_kernel
:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3162 case QEMU_OPTION_initrd
:
3163 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3165 case QEMU_OPTION_append
:
3166 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3168 case QEMU_OPTION_dtb
:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3171 case QEMU_OPTION_cdrom
:
3172 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3174 case QEMU_OPTION_boot
:
3175 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3180 case QEMU_OPTION_fda
:
3181 case QEMU_OPTION_fdb
:
3182 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3185 case QEMU_OPTION_no_fd_bootchk
:
3188 case QEMU_OPTION_netdev
:
3189 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3193 case QEMU_OPTION_net
:
3194 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3198 #ifdef CONFIG_LIBISCSI
3199 case QEMU_OPTION_iscsi
:
3200 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3207 case QEMU_OPTION_tftp
:
3208 legacy_tftp_prefix
= optarg
;
3210 case QEMU_OPTION_bootp
:
3211 legacy_bootp_filename
= optarg
;
3213 case QEMU_OPTION_redir
:
3214 if (net_slirp_redir(optarg
) < 0)
3218 case QEMU_OPTION_bt
:
3219 add_device_config(DEV_BT
, optarg
);
3221 case QEMU_OPTION_audio_help
:
3225 case QEMU_OPTION_soundhw
:
3226 select_soundhw (optarg
);
3231 case QEMU_OPTION_version
:
3235 case QEMU_OPTION_m
: {
3240 value
= strtosz(optarg
, &end
);
3241 if (value
< 0 || *end
) {
3242 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3245 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3247 if (ram_size
!= sz
) {
3248 fprintf(stderr
, "qemu: ram size too large\n");
3254 case QEMU_OPTION_tpmdev
:
3255 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3260 case QEMU_OPTION_mempath
:
3264 case QEMU_OPTION_mem_prealloc
:
3275 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3277 case QEMU_OPTION_gdb
:
3278 add_device_config(DEV_GDB
, optarg
);
3281 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3282 data_dir
[data_dir_idx
++] = optarg
;
3285 case QEMU_OPTION_bios
:
3288 case QEMU_OPTION_singlestep
:
3295 keyboard_layout
= optarg
;
3297 case QEMU_OPTION_localtime
:
3300 case QEMU_OPTION_vga
:
3309 w
= strtol(p
, (char **)&p
, 10);
3312 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3318 h
= strtol(p
, (char **)&p
, 10);
3323 depth
= strtol(p
, (char **)&p
, 10);
3324 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3325 depth
!= 24 && depth
!= 32)
3327 } else if (*p
== '\0') {
3328 depth
= graphic_depth
;
3335 graphic_depth
= depth
;
3338 case QEMU_OPTION_echr
:
3341 term_escape_char
= strtol(optarg
, &r
, 0);
3343 printf("Bad argument to echr\n");
3346 case QEMU_OPTION_monitor
:
3347 default_monitor
= 0;
3348 if (strncmp(optarg
, "none", 4)) {
3349 monitor_parse(optarg
, "readline");
3352 case QEMU_OPTION_qmp
:
3353 monitor_parse(optarg
, "control");
3354 default_monitor
= 0;
3356 case QEMU_OPTION_mon
:
3357 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3361 default_monitor
= 0;
3363 case QEMU_OPTION_chardev
:
3364 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3369 case QEMU_OPTION_fsdev
:
3370 olist
= qemu_find_opts("fsdev");
3372 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3375 opts
= qemu_opts_parse(olist
, optarg
, 1);
3380 case QEMU_OPTION_virtfs
: {
3383 const char *writeout
, *sock_fd
, *socket
;
3385 olist
= qemu_find_opts("virtfs");
3387 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3390 opts
= qemu_opts_parse(olist
, optarg
, 1);
3395 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3396 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3397 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3400 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3401 qemu_opt_get(opts
, "mount_tag"),
3404 fprintf(stderr
, "duplicate fsdev id: %s\n",
3405 qemu_opt_get(opts
, "mount_tag"));
3409 writeout
= qemu_opt_get(opts
, "writeout");
3411 #ifdef CONFIG_SYNC_FILE_RANGE
3412 qemu_opt_set(fsdev
, "writeout", writeout
);
3414 fprintf(stderr
, "writeout=immediate not supported on "
3419 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3420 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3421 qemu_opt_set(fsdev
, "security_model",
3422 qemu_opt_get(opts
, "security_model"));
3423 socket
= qemu_opt_get(opts
, "socket");
3425 qemu_opt_set(fsdev
, "socket", socket
);
3427 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3429 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3432 qemu_opt_set_bool(fsdev
, "readonly",
3433 qemu_opt_get_bool(opts
, "readonly", 0));
3434 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3435 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3436 qemu_opt_set(device
, "fsdev",
3437 qemu_opt_get(opts
, "mount_tag"));
3438 qemu_opt_set(device
, "mount_tag",
3439 qemu_opt_get(opts
, "mount_tag"));
3442 case QEMU_OPTION_virtfs_synth
: {
3446 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3449 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3452 qemu_opt_set(fsdev
, "fsdriver", "synth");
3454 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3455 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3456 qemu_opt_set(device
, "fsdev", "v_synth");
3457 qemu_opt_set(device
, "mount_tag", "v_synth");
3460 case QEMU_OPTION_serial
:
3461 add_device_config(DEV_SERIAL
, optarg
);
3463 if (strncmp(optarg
, "mon:", 4) == 0) {
3464 default_monitor
= 0;
3467 case QEMU_OPTION_watchdog
:
3470 "qemu: only one watchdog option may be given\n");
3475 case QEMU_OPTION_watchdog_action
:
3476 if (select_watchdog_action(optarg
) == -1) {
3477 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3481 case QEMU_OPTION_virtiocon
:
3482 add_device_config(DEV_VIRTCON
, optarg
);
3483 default_virtcon
= 0;
3484 if (strncmp(optarg
, "mon:", 4) == 0) {
3485 default_monitor
= 0;
3488 case QEMU_OPTION_parallel
:
3489 add_device_config(DEV_PARALLEL
, optarg
);
3490 default_parallel
= 0;
3491 if (strncmp(optarg
, "mon:", 4) == 0) {
3492 default_monitor
= 0;
3495 case QEMU_OPTION_debugcon
:
3496 add_device_config(DEV_DEBUGCON
, optarg
);
3498 case QEMU_OPTION_loadvm
:
3501 case QEMU_OPTION_full_screen
:
3504 case QEMU_OPTION_no_frame
:
3507 case QEMU_OPTION_alt_grab
:
3510 case QEMU_OPTION_ctrl_grab
:
3513 case QEMU_OPTION_no_quit
:
3516 case QEMU_OPTION_sdl
:
3518 display_type
= DT_SDL
;
3521 fprintf(stderr
, "SDL support is disabled\n");
3524 case QEMU_OPTION_pidfile
:
3527 case QEMU_OPTION_win2k_hack
:
3528 win2k_install_hack
= 1;
3530 case QEMU_OPTION_rtc_td_hack
: {
3531 static GlobalProperty slew_lost_ticks
[] = {
3533 .driver
= "mc146818rtc",
3534 .property
= "lost_tick_policy",
3537 { /* end of list */ }
3540 qdev_prop_register_global_list(slew_lost_ticks
);
3543 case QEMU_OPTION_acpitable
:
3544 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3545 g_assert(opts
!= NULL
);
3546 do_acpitable_option(opts
);
3548 case QEMU_OPTION_smbios
:
3549 do_smbios_option(optarg
);
3551 case QEMU_OPTION_enable_kvm
:
3552 olist
= qemu_find_opts("machine");
3553 qemu_opts_parse(olist
, "accel=kvm", 0);
3555 case QEMU_OPTION_machine
:
3556 olist
= qemu_find_opts("machine");
3557 opts
= qemu_opts_parse(olist
, optarg
, 1);
3561 optarg
= qemu_opt_get(opts
, "type");
3563 machine
= machine_parse(optarg
);
3566 case QEMU_OPTION_no_kvm
:
3567 olist
= qemu_find_opts("machine");
3568 qemu_opts_parse(olist
, "accel=tcg", 0);
3570 case QEMU_OPTION_no_kvm_pit
: {
3571 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3575 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3576 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3578 .driver
= "kvm-pit",
3579 .property
= "lost_tick_policy",
3582 { /* end of list */ }
3585 fprintf(stderr
, "Warning: option deprecated, use "
3586 "lost_tick_policy property of kvm-pit instead.\n");
3587 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3590 case QEMU_OPTION_usb
:
3591 olist
= qemu_find_opts("machine");
3592 qemu_opts_parse(olist
, "usb=on", 0);
3594 case QEMU_OPTION_usbdevice
:
3595 olist
= qemu_find_opts("machine");
3596 qemu_opts_parse(olist
, "usb=on", 0);
3597 add_device_config(DEV_USB
, optarg
);
3599 case QEMU_OPTION_device
:
3600 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3604 case QEMU_OPTION_smp
:
3605 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3609 case QEMU_OPTION_vnc
:
3612 vnc_display
= optarg
;
3614 fprintf(stderr
, "VNC support is disabled\n");
3618 case QEMU_OPTION_no_acpi
:
3621 case QEMU_OPTION_no_hpet
:
3624 case QEMU_OPTION_balloon
:
3625 if (balloon_parse(optarg
) < 0) {
3626 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3630 case QEMU_OPTION_no_reboot
:
3633 case QEMU_OPTION_no_shutdown
:
3636 case QEMU_OPTION_show_cursor
:
3639 case QEMU_OPTION_uuid
:
3640 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3641 fprintf(stderr
, "Fail to parse UUID string."
3642 " Wrong format.\n");
3646 case QEMU_OPTION_option_rom
:
3647 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3648 fprintf(stderr
, "Too many option ROMs\n");
3651 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3655 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3656 option_rom
[nb_option_roms
].bootindex
=
3657 qemu_opt_get_number(opts
, "bootindex", -1);
3658 if (!option_rom
[nb_option_roms
].name
) {
3659 fprintf(stderr
, "Option ROM file is not specified\n");
3664 case QEMU_OPTION_semihosting
:
3665 semihosting_enabled
= 1;
3667 case QEMU_OPTION_tdf
:
3668 fprintf(stderr
, "Warning: user space PIT time drift fix "
3669 "is no longer supported.\n");
3671 case QEMU_OPTION_name
:
3672 qemu_name
= g_strdup(optarg
);
3674 char *p
= strchr(qemu_name
, ',');
3677 if (strncmp(p
, "process=", 8)) {
3678 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3682 os_set_proc_name(p
);
3686 case QEMU_OPTION_prom_env
:
3687 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3688 fprintf(stderr
, "Too many prom variables\n");
3691 prom_envs
[nb_prom_envs
] = optarg
;
3694 case QEMU_OPTION_old_param
:
3697 case QEMU_OPTION_clock
:
3698 configure_alarms(optarg
);
3700 case QEMU_OPTION_startdate
:
3701 configure_rtc_date_offset(optarg
, 1);
3703 case QEMU_OPTION_rtc
:
3704 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3708 configure_rtc(opts
);
3710 case QEMU_OPTION_tb_size
:
3711 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3712 if (tcg_tb_size
< 0) {
3716 case QEMU_OPTION_icount
:
3717 icount_option
= optarg
;
3719 case QEMU_OPTION_incoming
:
3721 runstate_set(RUN_STATE_INMIGRATE
);
3723 case QEMU_OPTION_nodefaults
:
3725 default_parallel
= 0;
3726 default_virtcon
= 0;
3728 default_monitor
= 0;
3735 case QEMU_OPTION_xen_domid
:
3736 if (!(xen_available())) {
3737 printf("Option %s not supported for this target\n", popt
->name
);
3740 xen_domid
= atoi(optarg
);
3742 case QEMU_OPTION_xen_create
:
3743 if (!(xen_available())) {
3744 printf("Option %s not supported for this target\n", popt
->name
);
3747 xen_mode
= XEN_CREATE
;
3749 case QEMU_OPTION_xen_attach
:
3750 if (!(xen_available())) {
3751 printf("Option %s not supported for this target\n", popt
->name
);
3754 xen_mode
= XEN_ATTACH
;
3756 case QEMU_OPTION_trace
:
3758 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3762 trace_events
= qemu_opt_get(opts
, "events");
3763 trace_file
= qemu_opt_get(opts
, "file");
3766 case QEMU_OPTION_readconfig
:
3768 int ret
= qemu_read_config_file(optarg
);
3770 fprintf(stderr
, "read config %s: %s\n", optarg
,
3776 case QEMU_OPTION_spice
:
3777 olist
= qemu_find_opts("spice");
3779 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3782 opts
= qemu_opts_parse(olist
, optarg
, 0);
3788 case QEMU_OPTION_writeconfig
:
3791 if (strcmp(optarg
, "-") == 0) {
3794 fp
= fopen(optarg
, "w");
3796 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3800 qemu_config_write(fp
);
3804 case QEMU_OPTION_qtest
:
3805 qtest_chrdev
= optarg
;
3807 case QEMU_OPTION_qtest_log
:
3810 case QEMU_OPTION_sandbox
:
3811 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3816 case QEMU_OPTION_add_fd
:
3818 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3823 error_report("File descriptor passing is disabled on this "
3828 case QEMU_OPTION_object
:
3829 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3834 case QEMU_OPTION_realtime
:
3835 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3839 configure_realtime(opts
);
3842 os_parse_cmd_args(popt
->index
, optarg
);
3848 if (qemu_init_main_loop()) {
3849 fprintf(stderr
, "qemu_init_main_loop failed\n");
3853 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3858 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3862 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3867 if (machine
== NULL
) {
3868 fprintf(stderr
, "No machine found.\n");
3872 if (machine
->hw_version
) {
3873 qemu_set_version(machine
->hw_version
);
3876 if (qemu_opts_foreach(qemu_find_opts("object"),
3877 object_create
, NULL
, 0) != 0) {
3881 /* Init CPU def lists, based on config
3882 * - Must be called after all the qemu_read_config_file() calls
3883 * - Must be called before list_cpus()
3884 * - Must be called before machine->init()
3888 if (cpu_model
&& is_help_option(cpu_model
)) {
3889 list_cpus(stdout
, &fprintf
, cpu_model
);
3893 /* Open the logfile at this point, if necessary. We can't open the logfile
3894 * when encountering either of the logging options (-d or -D) because the
3895 * other one may be encountered later on the command line, changing the
3896 * location or level of logging.
3901 qemu_set_log_filename(log_file
);
3904 mask
= qemu_str_to_log_mask(log_mask
);
3906 qemu_print_log_usage(stdout
);
3912 if (!trace_backend_init(trace_events
, trace_file
)) {
3916 /* If no data_dir is specified then try to find it relative to the
3918 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3919 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3920 if (data_dir
[data_dir_idx
] != NULL
) {
3924 /* If all else fails use the install path specified when building. */
3925 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3926 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3929 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3931 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3932 if (smp_cpus
> machine
->max_cpus
) {
3933 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3934 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3940 * Get the default machine options from the machine if it is not already
3941 * specified either by the configuration file or by the command line.
3943 if (machine
->default_machine_opts
) {
3944 qemu_opts_set_defaults(qemu_find_opts("machine"),
3945 machine
->default_machine_opts
, 0);
3948 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3949 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3951 if (machine
->no_serial
) {
3954 if (machine
->no_parallel
) {
3955 default_parallel
= 0;
3957 if (!machine
->use_virtcon
) {
3958 default_virtcon
= 0;
3960 if (!machine
->use_sclp
) {
3963 if (machine
->no_floppy
) {
3966 if (machine
->no_cdrom
) {
3969 if (machine
->no_sdcard
) {
3973 if (is_daemonized()) {
3974 /* According to documentation and historically, -nographic redirects
3975 * serial port, parallel port and monitor to stdio, which does not work
3976 * with -daemonize. We can redirect these to null instead, but since
3977 * -nographic is legacy, let's just error out.
3978 * We disallow -nographic only if all other ports are not redirected
3979 * explicitly, to not break existing legacy setups which uses
3980 * -nographic _and_ redirects all ports explicitly - this is valid
3981 * usage, -nographic is just a no-op in this case.
3983 if (display_type
== DT_NOGRAPHIC
3984 && (default_parallel
|| default_serial
3985 || default_monitor
|| default_virtcon
)) {
3986 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3989 #ifdef CONFIG_CURSES
3990 if (display_type
== DT_CURSES
) {
3991 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3997 if (display_type
== DT_NOGRAPHIC
) {
3998 if (default_parallel
)
3999 add_device_config(DEV_PARALLEL
, "null");
4000 if (default_serial
&& default_monitor
) {
4001 add_device_config(DEV_SERIAL
, "mon:stdio");
4002 } else if (default_virtcon
&& default_monitor
) {
4003 add_device_config(DEV_VIRTCON
, "mon:stdio");
4004 } else if (default_sclp
&& default_monitor
) {
4005 add_device_config(DEV_SCLP
, "mon:stdio");
4008 add_device_config(DEV_SERIAL
, "stdio");
4009 if (default_virtcon
)
4010 add_device_config(DEV_VIRTCON
, "stdio");
4012 add_device_config(DEV_SCLP
, "stdio");
4014 if (default_monitor
)
4015 monitor_parse("stdio", "readline");
4019 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4020 if (default_parallel
)
4021 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4022 if (default_monitor
)
4023 monitor_parse("vc:80Cx24C", "readline");
4024 if (default_virtcon
)
4025 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4027 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4031 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4032 #if defined(CONFIG_GTK)
4033 display_type
= DT_GTK
;
4034 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4035 display_type
= DT_SDL
;
4036 #elif defined(CONFIG_VNC)
4037 vnc_display
= "localhost:0,to=99";
4040 display_type
= DT_NONE
;
4044 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4045 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4046 "for SDL, ignoring option\n");
4048 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4049 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4050 "ignoring option\n");
4053 #if defined(CONFIG_GTK)
4054 if (display_type
== DT_GTK
) {
4055 early_gtk_display_init();
4061 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4063 #ifdef CONFIG_VIRTFS
4064 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4071 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4076 /* init the memory */
4077 if (ram_size
== 0) {
4078 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4081 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4086 configure_accelerator();
4088 if (!qtest_enabled() && qtest_chrdev
) {
4092 machine_opts
= qemu_get_machine_opts();
4093 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4094 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4095 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4098 boot_order
= machine
->boot_order
;
4100 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4102 char *normal_boot_order
;
4103 const char *order
, *once
;
4105 order
= qemu_opt_get(opts
, "order");
4107 validate_bootdevices(order
);
4111 once
= qemu_opt_get(opts
, "once");
4113 validate_bootdevices(once
);
4114 normal_boot_order
= g_strdup(boot_order
);
4116 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4119 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4122 if (!kernel_cmdline
) {
4123 kernel_cmdline
= "";
4126 linux_boot
= (kernel_filename
!= NULL
);
4128 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4129 fprintf(stderr
, "-append only allowed with -kernel option\n");
4133 if (!linux_boot
&& initrd_filename
!= NULL
) {
4134 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4138 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4139 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4143 os_set_line_buffering();
4145 qemu_init_cpu_loop();
4146 qemu_mutex_lock_iothread();
4149 /* spice needs the timers to be initialized by this point */
4153 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4154 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4157 configure_icount(icount_option
);
4159 /* clean up network at qemu process termination */
4160 atexit(&net_cleanup
);
4162 if (net_init_clients() < 0) {
4167 if (tpm_init() < 0) {
4172 /* init the bluetooth world */
4173 if (foreach_device_config(DEV_BT
, bt_parse
))
4176 if (!xen_enabled()) {
4177 /* On 32-bit hosts, QEMU is limited by virtual address space */
4178 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4179 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4184 cpu_exec_init_all();
4188 /* open the virtual block devices */
4190 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4191 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4192 &machine
->block_default_type
, 1) != 0) {
4196 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4198 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4199 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4201 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4203 if (nb_numa_nodes
> 0) {
4206 if (nb_numa_nodes
> MAX_NODES
) {
4207 nb_numa_nodes
= MAX_NODES
;
4210 /* If no memory size if given for any node, assume the default case
4211 * and distribute the available memory equally across all nodes
4213 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4214 if (node_mem
[i
] != 0)
4217 if (i
== nb_numa_nodes
) {
4218 uint64_t usedmem
= 0;
4220 /* On Linux, the each node's border has to be 8MB aligned,
4221 * the final node gets the rest.
4223 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4224 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4225 usedmem
+= node_mem
[i
];
4227 node_mem
[i
] = ram_size
- usedmem
;
4230 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4231 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4235 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4236 * must cope with this anyway, because there are BIOSes out there in
4237 * real machines which also use this scheme.
4239 if (i
== nb_numa_nodes
) {
4240 for (i
= 0; i
< max_cpus
; i
++) {
4241 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4246 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4250 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4252 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4254 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4256 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4259 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4262 /* If no default VGA is requested, the default is "none". */
4264 if (cirrus_vga_available()) {
4265 vga_model
= "cirrus";
4266 } else if (vga_available()) {
4270 select_vgahw(vga_model
);
4273 i
= select_watchdog(watchdog
);
4275 exit (i
== 1 ? 1 : 0);
4278 if (machine
->compat_props
) {
4279 qdev_prop_register_global_list(machine
->compat_props
);
4283 qdev_machine_init();
4285 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4286 .boot_device
= boot_order
,
4287 .kernel_filename
= kernel_filename
,
4288 .kernel_cmdline
= kernel_cmdline
,
4289 .initrd_filename
= initrd_filename
,
4290 .cpu_model
= cpu_model
};
4291 machine
->init(&args
);
4295 cpu_synchronize_all_post_init();
4299 current_machine
= machine
;
4301 /* init USB devices */
4302 if (usb_enabled(false)) {
4303 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4307 /* init generic devices */
4308 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4311 net_check_clients();
4313 ds
= init_displaystate();
4315 /* init local displays */
4316 switch (display_type
) {
4319 #if defined(CONFIG_CURSES)
4321 curses_display_init(ds
, full_screen
);
4324 #if defined(CONFIG_SDL)
4326 sdl_display_init(ds
, full_screen
, no_frame
);
4328 #elif defined(CONFIG_COCOA)
4330 cocoa_display_init(ds
, full_screen
);
4333 #if defined(CONFIG_GTK)
4335 gtk_display_init(ds
, full_screen
);
4342 /* must be after terminal init, SDL library changes signal handlers */
4343 os_setup_signal_handling();
4346 /* init remote displays */
4348 Error
*local_err
= NULL
;
4349 vnc_display_init(ds
);
4350 vnc_display_open(ds
, vnc_display
, &local_err
);
4351 if (local_err
!= NULL
) {
4352 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4353 vnc_display
, error_get_pretty(local_err
));
4354 error_free(local_err
);
4358 if (show_vnc_port
) {
4359 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4364 if (using_spice
&& !qxl_enabled
) {
4365 qemu_spice_display_init(ds
);
4369 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4373 qdev_machine_creation_done();
4375 if (rom_load_all() != 0) {
4376 fprintf(stderr
, "rom loading failed\n");
4380 /* TODO: once all bus devices are qdevified, this should be done
4381 * when bus is created by qdev.c */
4382 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4383 qemu_run_machine_init_done_notifiers();
4385 qemu_system_reset(VMRESET_SILENT
);
4387 if (load_vmstate(loadvm
) < 0) {
4393 Error
*local_err
= NULL
;
4394 qemu_start_incoming_migration(incoming
, &local_err
);
4396 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4397 error_free(local_err
);
4400 } else if (autostart
) {