4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 #include "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "sysemu/seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc
, char **argv
, char **envp
);
100 int main(int argc
, char **argv
)
102 return qemu_main(argc
, argv
, NULL
);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir
[16];
183 static int data_dir_idx
;
184 const char *bios_name
= NULL
;
185 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
186 DisplayType display_type
= DT_DEFAULT
;
187 static int display_remote
;
188 const char* keyboard_layout
= NULL
;
190 const char *mem_path
= NULL
;
192 int mem_prealloc
= 0; /* force preallocation of physical target memory */
195 NICInfo nd_table
[MAX_NICS
];
197 static int rtc_utc
= 1;
198 static int rtc_date_offset
= -1; /* -1 means no change */
199 QEMUClock
*rtc_clock
;
200 int vga_interface_type
= VGA_NONE
;
201 static int full_screen
= 0;
203 static int no_frame
= 0;
206 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
207 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
208 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
209 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
210 int win2k_install_hack
= 0;
217 const char *vnc_display
;
219 int acpi_enabled
= 1;
222 static int no_reboot
;
225 int graphic_rotate
= 0;
226 const char *watchdog
;
227 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
229 int semihosting_enabled
= 0;
231 const char *qemu_name
;
234 unsigned int nb_prom_envs
= 0;
235 const char *prom_envs
[MAX_PROM_ENVS
];
238 uint8_t *boot_splash_filedata
;
239 size_t boot_splash_filedata_size
;
240 uint8_t qemu_extra_params_fw
[2];
242 typedef struct FWBootEntry FWBootEntry
;
245 QTAILQ_ENTRY(FWBootEntry
) link
;
251 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
252 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
255 uint64_t node_mem
[MAX_NODES
];
256 unsigned long *node_cpumask
[MAX_NODES
];
258 uint8_t qemu_uuid
[16];
260 static QEMUBootSetHandler
*boot_set_handler
;
261 static void *boot_set_opaque
;
263 static NotifierList exit_notifiers
=
264 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
266 static NotifierList machine_init_done_notifiers
=
267 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
269 static bool tcg_allowed
= true;
272 enum xen_mode xen_mode
= XEN_EMULATE
;
273 static int tcg_tb_size
;
275 static int default_serial
= 1;
276 static int default_parallel
= 1;
277 static int default_virtcon
= 1;
278 static int default_sclp
= 1;
279 static int default_monitor
= 1;
280 static int default_floppy
= 1;
281 static int default_cdrom
= 1;
282 static int default_sdcard
= 1;
283 static int default_vga
= 1;
289 { .driver
= "isa-serial", .flag
= &default_serial
},
290 { .driver
= "isa-parallel", .flag
= &default_parallel
},
291 { .driver
= "isa-fdc", .flag
= &default_floppy
},
292 { .driver
= "ide-cd", .flag
= &default_cdrom
},
293 { .driver
= "ide-hd", .flag
= &default_cdrom
},
294 { .driver
= "ide-drive", .flag
= &default_cdrom
},
295 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
296 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
297 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
298 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
299 { .driver
= "VGA", .flag
= &default_vga
},
300 { .driver
= "isa-vga", .flag
= &default_vga
},
301 { .driver
= "cirrus-vga", .flag
= &default_vga
},
302 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
303 { .driver
= "vmware-svga", .flag
= &default_vga
},
304 { .driver
= "qxl-vga", .flag
= &default_vga
},
307 static QemuOptsList qemu_rtc_opts
= {
309 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
313 .type
= QEMU_OPT_STRING
,
316 .type
= QEMU_OPT_STRING
,
319 .type
= QEMU_OPT_STRING
,
321 { /* end of list */ }
325 static QemuOptsList qemu_sandbox_opts
= {
327 .implied_opt_name
= "enable",
328 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
332 .type
= QEMU_OPT_BOOL
,
334 { /* end of list */ }
338 static QemuOptsList qemu_trace_opts
= {
340 .implied_opt_name
= "trace",
341 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
345 .type
= QEMU_OPT_STRING
,
348 .type
= QEMU_OPT_STRING
,
350 { /* end of list */ }
354 static QemuOptsList qemu_option_rom_opts
= {
355 .name
= "option-rom",
356 .implied_opt_name
= "romfile",
357 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
361 .type
= QEMU_OPT_NUMBER
,
364 .type
= QEMU_OPT_STRING
,
366 { /* end of list */ }
370 static QemuOptsList qemu_machine_opts
= {
372 .implied_opt_name
= "type",
374 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
378 .type
= QEMU_OPT_STRING
,
379 .help
= "emulated machine"
382 .type
= QEMU_OPT_STRING
,
383 .help
= "accelerator list",
385 .name
= "kernel_irqchip",
386 .type
= QEMU_OPT_BOOL
,
387 .help
= "use KVM in-kernel irqchip",
389 .name
= "kvm_shadow_mem",
390 .type
= QEMU_OPT_SIZE
,
391 .help
= "KVM shadow MMU size",
394 .type
= QEMU_OPT_STRING
,
395 .help
= "Linux kernel image file",
398 .type
= QEMU_OPT_STRING
,
399 .help
= "Linux initial ramdisk file",
402 .type
= QEMU_OPT_STRING
,
403 .help
= "Linux kernel command line",
406 .type
= QEMU_OPT_STRING
,
407 .help
= "Linux kernel device tree file",
410 .type
= QEMU_OPT_STRING
,
411 .help
= "Dump current dtb to a file and quit",
413 .name
= "phandle_start",
414 .type
= QEMU_OPT_STRING
,
415 .help
= "The first phandle ID we may generate dynamically",
417 .name
= "dt_compatible",
418 .type
= QEMU_OPT_STRING
,
419 .help
= "Overrides the \"compatible\" property of the dt root node",
421 .name
= "dump-guest-core",
422 .type
= QEMU_OPT_BOOL
,
423 .help
= "Include guest memory in a core dump",
426 .type
= QEMU_OPT_BOOL
,
427 .help
= "enable/disable memory merge support",
430 .type
= QEMU_OPT_BOOL
,
431 .help
= "Set on/off to enable/disable usb",
433 { /* End of list */ }
437 static QemuOptsList qemu_boot_opts
= {
439 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
441 /* the three names below are not used now */
444 .type
= QEMU_OPT_STRING
,
447 .type
= QEMU_OPT_STRING
,
450 .type
= QEMU_OPT_STRING
,
451 /* following are really used */
454 .type
= QEMU_OPT_STRING
,
456 .name
= "splash-time",
457 .type
= QEMU_OPT_STRING
,
459 .name
= "reboot-timeout",
460 .type
= QEMU_OPT_STRING
,
463 .type
= QEMU_OPT_STRING
,
469 static QemuOptsList qemu_add_fd_opts
= {
471 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
475 .type
= QEMU_OPT_NUMBER
,
476 .help
= "file descriptor of which a duplicate is added to fd set",
479 .type
= QEMU_OPT_NUMBER
,
480 .help
= "ID of the fd set to add fd to",
483 .type
= QEMU_OPT_STRING
,
484 .help
= "free-form string used to describe fd",
486 { /* end of list */ }
490 static QemuOptsList qemu_object_opts
= {
492 .implied_opt_name
= "qom-type",
493 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
499 static QemuOptsList qemu_tpmdev_opts
= {
501 .implied_opt_name
= "type",
502 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
504 /* options are defined in the TPM backends */
505 { /* end of list */ }
509 static QemuOptsList qemu_realtime_opts
= {
511 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
515 .type
= QEMU_OPT_BOOL
,
517 { /* end of list */ }
521 const char *qemu_get_vm_name(void)
526 static void res_free(void)
528 if (boot_splash_filedata
!= NULL
) {
529 g_free(boot_splash_filedata
);
530 boot_splash_filedata
= NULL
;
534 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
536 const char *driver
= qemu_opt_get(opts
, "driver");
541 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
542 if (strcmp(default_list
[i
].driver
, driver
) != 0)
544 *(default_list
[i
].flag
) = 0;
549 /***********************************************************/
552 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
557 } RunStateTransition
;
559 static const RunStateTransition runstate_transitions_def
[] = {
561 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
563 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
564 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
566 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
567 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
569 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
570 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
572 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
573 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
575 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
576 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
578 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
579 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
580 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
582 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
583 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
585 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
587 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
588 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
589 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
590 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
591 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
592 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
593 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
594 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
595 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
596 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
598 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
600 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
601 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
604 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
605 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
606 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
608 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
609 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PAUSED
},
612 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
613 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_DEBUG
},
615 { RUN_STATE_MAX
, RUN_STATE_MAX
},
618 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
620 bool runstate_check(RunState state
)
622 return current_run_state
== state
;
625 static void runstate_init(void)
627 const RunStateTransition
*p
;
629 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
631 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
632 runstate_valid_transitions
[p
->from
][p
->to
] = true;
636 /* This function will abort() on invalid state transitions */
637 void runstate_set(RunState new_state
)
639 assert(new_state
< RUN_STATE_MAX
);
641 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
642 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
643 RunState_lookup
[current_run_state
],
644 RunState_lookup
[new_state
]);
647 trace_runstate_set(new_state
);
648 current_run_state
= new_state
;
651 int runstate_is_running(void)
653 return runstate_check(RUN_STATE_RUNNING
);
656 bool runstate_needs_reset(void)
658 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
659 runstate_check(RUN_STATE_SHUTDOWN
) ||
660 runstate_check(RUN_STATE_GUEST_PANICKED
);
663 StatusInfo
*qmp_query_status(Error
**errp
)
665 StatusInfo
*info
= g_malloc0(sizeof(*info
));
667 info
->running
= runstate_is_running();
668 info
->singlestep
= singlestep
;
669 info
->status
= current_run_state
;
674 /***********************************************************/
675 /* real time host monotonic timer */
677 /***********************************************************/
678 /* host time/date access */
679 void qemu_get_timedate(struct tm
*tm
, int offset
)
685 if (rtc_date_offset
== -1) {
689 localtime_r(&ti
, tm
);
691 ti
-= rtc_date_offset
;
696 int qemu_timedate_diff(struct tm
*tm
)
700 if (rtc_date_offset
== -1)
702 seconds
= mktimegm(tm
);
705 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
706 seconds
= mktime(&tmp
);
709 seconds
= mktimegm(tm
) + rtc_date_offset
;
711 return seconds
- time(NULL
);
714 void rtc_change_mon_event(struct tm
*tm
)
718 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
719 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
720 qobject_decref(data
);
723 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
725 time_t rtc_start_date
;
728 if (!strcmp(startdate
, "now") && legacy
) {
729 rtc_date_offset
= -1;
731 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
739 } else if (sscanf(startdate
, "%d-%d-%d",
751 rtc_start_date
= mktimegm(&tm
);
752 if (rtc_start_date
== -1) {
754 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
755 "'2006-06-17T16:01:21' or '2006-06-17'\n");
758 rtc_date_offset
= time(NULL
) - rtc_start_date
;
762 static void configure_rtc(QemuOpts
*opts
)
766 value
= qemu_opt_get(opts
, "base");
768 if (!strcmp(value
, "utc")) {
770 } else if (!strcmp(value
, "localtime")) {
773 configure_rtc_date_offset(value
, 0);
776 value
= qemu_opt_get(opts
, "clock");
778 if (!strcmp(value
, "host")) {
779 rtc_clock
= host_clock
;
780 } else if (!strcmp(value
, "rt")) {
781 rtc_clock
= rt_clock
;
782 } else if (!strcmp(value
, "vm")) {
783 rtc_clock
= vm_clock
;
785 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
789 value
= qemu_opt_get(opts
, "driftfix");
791 if (!strcmp(value
, "slew")) {
792 static GlobalProperty slew_lost_ticks
[] = {
794 .driver
= "mc146818rtc",
795 .property
= "lost_tick_policy",
798 { /* end of list */ }
801 qdev_prop_register_global_list(slew_lost_ticks
);
802 } else if (!strcmp(value
, "none")) {
803 /* discard is default */
805 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
811 /***********************************************************/
812 /* Bluetooth support */
815 static struct HCIInfo
*hci_table
[MAX_NICS
];
817 static struct bt_vlan_s
{
818 struct bt_scatternet_s net
;
820 struct bt_vlan_s
*next
;
823 /* find or alloc a new bluetooth "VLAN" */
824 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
826 struct bt_vlan_s
**pvlan
, *vlan
;
827 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
831 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
833 pvlan
= &first_bt_vlan
;
834 while (*pvlan
!= NULL
)
835 pvlan
= &(*pvlan
)->next
;
840 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
844 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
849 static struct HCIInfo null_hci
= {
850 .cmd_send
= null_hci_send
,
851 .sco_send
= null_hci_send
,
852 .acl_send
= null_hci_send
,
853 .bdaddr_set
= null_hci_addr_set
,
856 struct HCIInfo
*qemu_next_hci(void)
858 if (cur_hci
== nb_hcis
)
861 return hci_table
[cur_hci
++];
864 static struct HCIInfo
*hci_init(const char *str
)
867 struct bt_scatternet_s
*vlan
= 0;
869 if (!strcmp(str
, "null"))
872 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
874 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
875 else if (!strncmp(str
, "hci", 3)) {
878 if (!strncmp(str
+ 3, ",vlan=", 6)) {
879 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
884 vlan
= qemu_find_bt_vlan(0);
886 return bt_new_hci(vlan
);
889 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
894 static int bt_hci_parse(const char *str
)
899 if (nb_hcis
>= MAX_NICS
) {
900 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
913 bdaddr
.b
[5] = 0x56 + nb_hcis
;
914 hci
->bdaddr_set(hci
, bdaddr
.b
);
916 hci_table
[nb_hcis
++] = hci
;
921 static void bt_vhci_add(int vlan_id
)
923 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
926 fprintf(stderr
, "qemu: warning: adding a VHCI to "
927 "an empty scatternet %i\n", vlan_id
);
929 bt_vhci_init(bt_new_hci(vlan
));
932 static struct bt_device_s
*bt_device_add(const char *opt
)
934 struct bt_scatternet_s
*vlan
;
936 char *endp
= strstr(opt
, ",vlan=");
937 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
940 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
943 vlan_id
= strtol(endp
+ 6, &endp
, 0);
945 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
950 vlan
= qemu_find_bt_vlan(vlan_id
);
953 fprintf(stderr
, "qemu: warning: adding a slave device to "
954 "an empty scatternet %i\n", vlan_id
);
956 if (!strcmp(devname
, "keyboard"))
957 return bt_keyboard_init(vlan
);
959 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
963 static int bt_parse(const char *opt
)
965 const char *endp
, *p
;
968 if (strstart(opt
, "hci", &endp
)) {
969 if (!*endp
|| *endp
== ',') {
971 if (!strstart(endp
, ",vlan=", 0))
974 return bt_hci_parse(opt
);
976 } else if (strstart(opt
, "vhci", &endp
)) {
977 if (!*endp
|| *endp
== ',') {
979 if (strstart(endp
, ",vlan=", &p
)) {
980 vlan
= strtol(p
, (char **) &endp
, 0);
982 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
986 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
995 } else if (strstart(opt
, "device:", &endp
))
996 return !bt_device_add(endp
);
998 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1002 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1004 /* FIXME: change this to true for 1.3 */
1005 if (qemu_opt_get_bool(opts
, "enable", false)) {
1006 #ifdef CONFIG_SECCOMP
1007 if (seccomp_start() < 0) {
1008 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1009 "failed to install seccomp syscall filter in the kernel");
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1014 "sandboxing request but seccomp is not compiled into this build");
1022 /*********QEMU USB setting******/
1023 bool usb_enabled(bool default_usb
)
1025 QemuOpts
*mach_opts
;
1026 mach_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
1028 return qemu_opt_get_bool(mach_opts
, "usb", default_usb
);
1034 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1036 int fd
, dupfd
, flags
;
1038 const char *fd_opaque
= NULL
;
1040 fd
= qemu_opt_get_number(opts
, "fd", -1);
1041 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1042 fd_opaque
= qemu_opt_get(opts
, "opaque");
1045 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1046 "fd option is required and must be non-negative");
1050 if (fd
<= STDERR_FILENO
) {
1051 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1052 "fd cannot be a standard I/O stream");
1057 * All fds inherited across exec() necessarily have FD_CLOEXEC
1058 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1060 flags
= fcntl(fd
, F_GETFD
);
1061 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1062 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1063 "fd is not valid or already in use");
1068 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1069 "set option is required and must be non-negative");
1073 #ifdef F_DUPFD_CLOEXEC
1074 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1078 qemu_set_cloexec(dupfd
);
1082 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1083 "Error duplicating fd: %s", strerror(errno
));
1087 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1088 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1094 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1098 fd
= qemu_opt_get_number(opts
, "fd", -1);
1105 /***********************************************************/
1106 /* QEMU Block devices */
1108 #define HD_OPTS "media=disk"
1109 #define CDROM_OPTS "media=cdrom"
1111 #define PFLASH_OPTS ""
1115 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1117 BlockInterfaceType
*block_default_type
= opaque
;
1119 return drive_init(opts
, *block_default_type
) == NULL
;
1122 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1124 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1125 qemu_opt_set(opts
, "snapshot", "on");
1130 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1131 int index
, const char *optstr
)
1135 if (!enable
|| drive_get_by_index(type
, index
)) {
1139 opts
= drive_add(type
, index
, NULL
, optstr
);
1141 drive_enable_snapshot(opts
, NULL
);
1143 if (!drive_init(opts
, type
)) {
1148 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1150 boot_set_handler
= func
;
1151 boot_set_opaque
= opaque
;
1154 int qemu_boot_set(const char *boot_devices
)
1156 if (!boot_set_handler
) {
1159 return boot_set_handler(boot_set_opaque
, boot_devices
);
1162 static void validate_bootdevices(char *devices
)
1164 /* We just do some generic consistency checks */
1168 for (p
= devices
; *p
!= '\0'; p
++) {
1169 /* Allowed boot devices are:
1170 * a-b: floppy disk drives
1171 * c-f: IDE disk drives
1172 * g-m: machine implementation dependent drives
1173 * n-p: network devices
1174 * It's up to each machine implementation to check if the given boot
1175 * devices match the actual hardware implementation and firmware
1178 if (*p
< 'a' || *p
> 'p') {
1179 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1182 if (bitmap
& (1 << (*p
- 'a'))) {
1183 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1186 bitmap
|= 1 << (*p
- 'a');
1190 static void restore_boot_devices(void *opaque
)
1192 char *standard_boot_devices
= opaque
;
1193 static int first
= 1;
1195 /* Restore boot order and remove ourselves after the first boot */
1201 qemu_boot_set(standard_boot_devices
);
1203 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
1204 g_free(standard_boot_devices
);
1207 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1210 FWBootEntry
*node
, *i
;
1212 if (bootindex
< 0) {
1216 assert(dev
!= NULL
|| suffix
!= NULL
);
1218 node
= g_malloc0(sizeof(FWBootEntry
));
1219 node
->bootindex
= bootindex
;
1220 node
->suffix
= g_strdup(suffix
);
1223 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1224 if (i
->bootindex
== bootindex
) {
1225 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1227 } else if (i
->bootindex
< bootindex
) {
1230 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1233 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1236 DeviceState
*get_boot_device(uint32_t position
)
1238 uint32_t counter
= 0;
1239 FWBootEntry
*i
= NULL
;
1240 DeviceState
*res
= NULL
;
1242 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1243 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1244 if (counter
== position
) {
1255 * This function returns null terminated string that consist of new line
1256 * separated device paths.
1258 * memory pointed by "size" is assigned total length of the array in bytes
1261 char *get_boot_devices_list(size_t *size
)
1267 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1268 char *devpath
= NULL
, *bootpath
;
1272 devpath
= qdev_get_fw_dev_path(i
->dev
);
1276 if (i
->suffix
&& devpath
) {
1277 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1279 bootpath
= g_malloc(bootpathlen
);
1280 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1282 } else if (devpath
) {
1286 bootpath
= g_strdup(i
->suffix
);
1290 list
[total
-1] = '\n';
1292 len
= strlen(bootpath
) + 1;
1293 list
= g_realloc(list
, total
+ len
);
1294 memcpy(&list
[total
], bootpath
, len
);
1301 if (boot_strict
&& *size
> 0) {
1302 list
[total
-1] = '\n';
1303 list
= g_realloc(list
, total
+ 5);
1304 memcpy(&list
[total
], "HALT", 5);
1310 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1313 unsigned long long value
, endvalue
;
1315 /* Empty CPU range strings will be considered valid, they will simply
1316 * not set any bit in the CPU bitmap.
1322 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1325 if (*endptr
== '-') {
1326 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1329 } else if (*endptr
== '\0') {
1335 if (endvalue
>= MAX_CPUMASK_BITS
) {
1336 endvalue
= MAX_CPUMASK_BITS
- 1;
1338 "qemu: NUMA: A max of %d VCPUs are supported\n",
1342 if (endvalue
< value
) {
1346 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1350 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1354 static void numa_add(const char *optarg
)
1358 unsigned long long nodenr
;
1360 optarg
= get_opt_name(option
, 128, optarg
, ',');
1361 if (*optarg
== ',') {
1364 if (!strcmp(option
, "node")) {
1366 if (nb_numa_nodes
>= MAX_NODES
) {
1367 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1371 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1372 nodenr
= nb_numa_nodes
;
1374 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1375 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1380 if (nodenr
>= MAX_NODES
) {
1381 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1385 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1386 node_mem
[nodenr
] = 0;
1389 sval
= strtosz(option
, &endptr
);
1390 if (sval
< 0 || *endptr
) {
1391 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1394 node_mem
[nodenr
] = sval
;
1396 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1397 numa_node_parse_cpus(nodenr
, option
);
1401 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1406 static void smp_parse(const char *optarg
)
1408 int smp
, sockets
= 0, threads
= 0, cores
= 0;
1412 smp
= strtoul(optarg
, &endptr
, 10);
1413 if (endptr
!= optarg
) {
1414 if (*endptr
== ',') {
1418 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
1419 sockets
= strtoull(option
, NULL
, 10);
1420 if (get_param_value(option
, 128, "cores", endptr
) != 0)
1421 cores
= strtoull(option
, NULL
, 10);
1422 if (get_param_value(option
, 128, "threads", endptr
) != 0)
1423 threads
= strtoull(option
, NULL
, 10);
1424 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
1425 max_cpus
= strtoull(option
, NULL
, 10);
1427 /* compute missing values, prefer sockets over cores over threads */
1428 if (smp
== 0 || sockets
== 0) {
1429 sockets
= sockets
> 0 ? sockets
: 1;
1430 cores
= cores
> 0 ? cores
: 1;
1431 threads
= threads
> 0 ? threads
: 1;
1433 smp
= cores
* threads
* sockets
;
1437 threads
= threads
> 0 ? threads
: 1;
1438 cores
= smp
/ (sockets
* threads
);
1440 threads
= smp
/ (cores
* sockets
);
1444 smp_cores
= cores
> 0 ? cores
: 1;
1445 smp_threads
= threads
> 0 ? threads
: 1;
1447 max_cpus
= smp_cpus
;
1450 static void configure_realtime(QemuOpts
*opts
)
1454 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1457 if (os_mlock() < 0) {
1458 fprintf(stderr
, "qemu: locking memory failed\n");
1464 /***********************************************************/
1467 static int usb_device_add(const char *devname
)
1470 USBDevice
*dev
= NULL
;
1472 if (!usb_enabled(false)) {
1476 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1477 dev
= usbdevice_create(devname
);
1481 /* the other ones */
1482 #ifndef CONFIG_LINUX
1483 /* only the linux version is qdev-ified, usb-bsd still needs this */
1484 if (strstart(devname
, "host:", &p
)) {
1485 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1488 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1489 dev
= usb_bt_init(usb_bus_find(-1),
1490 devname
[2] ? hci_init(p
)
1491 : bt_new_hci(qemu_find_bt_vlan(0)));
1502 static int usb_device_del(const char *devname
)
1507 if (strstart(devname
, "host:", &p
)) {
1511 if (!usb_enabled(false)) {
1515 p
= strchr(devname
, '.');
1518 bus_num
= strtoul(devname
, NULL
, 0);
1519 addr
= strtoul(p
+ 1, NULL
, 0);
1521 return usb_device_delete_addr(bus_num
, addr
);
1524 static int usb_parse(const char *cmdline
)
1527 r
= usb_device_add(cmdline
);
1529 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1534 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1536 const char *devname
= qdict_get_str(qdict
, "devname");
1537 if (usb_device_add(devname
) < 0) {
1538 error_report("could not add USB device '%s'", devname
);
1542 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1544 const char *devname
= qdict_get_str(qdict
, "devname");
1545 if (usb_device_del(devname
) < 0) {
1546 error_report("could not delete USB device '%s'", devname
);
1550 /***********************************************************/
1551 /* PCMCIA/Cardbus */
1553 static struct pcmcia_socket_entry_s
{
1554 PCMCIASocket
*socket
;
1555 struct pcmcia_socket_entry_s
*next
;
1556 } *pcmcia_sockets
= 0;
1558 void pcmcia_socket_register(PCMCIASocket
*socket
)
1560 struct pcmcia_socket_entry_s
*entry
;
1562 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1563 entry
->socket
= socket
;
1564 entry
->next
= pcmcia_sockets
;
1565 pcmcia_sockets
= entry
;
1568 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1570 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1572 ptr
= &pcmcia_sockets
;
1573 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1574 if (entry
->socket
== socket
) {
1580 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1582 struct pcmcia_socket_entry_s
*iter
;
1584 if (!pcmcia_sockets
)
1585 monitor_printf(mon
, "No PCMCIA sockets\n");
1587 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1588 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1589 iter
->socket
->attached
? iter
->socket
->card_string
:
1593 /***********************************************************/
1594 /* machine registration */
1596 static QEMUMachine
*first_machine
= NULL
;
1597 QEMUMachine
*current_machine
= NULL
;
1599 int qemu_register_machine(QEMUMachine
*m
)
1602 pm
= &first_machine
;
1610 static QEMUMachine
*find_machine(const char *name
)
1614 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1615 if (!strcmp(m
->name
, name
))
1617 if (m
->alias
&& !strcmp(m
->alias
, name
))
1623 QEMUMachine
*find_default_machine(void)
1627 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1628 if (m
->is_default
) {
1635 MachineInfoList
*qmp_query_machines(Error
**errp
)
1637 MachineInfoList
*mach_list
= NULL
;
1640 for (m
= first_machine
; m
; m
= m
->next
) {
1641 MachineInfoList
*entry
;
1644 info
= g_malloc0(sizeof(*info
));
1645 if (m
->is_default
) {
1646 info
->has_is_default
= true;
1647 info
->is_default
= true;
1651 info
->has_alias
= true;
1652 info
->alias
= g_strdup(m
->alias
);
1655 info
->name
= g_strdup(m
->name
);
1656 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1658 entry
= g_malloc0(sizeof(*entry
));
1659 entry
->value
= info
;
1660 entry
->next
= mach_list
;
1667 /***********************************************************/
1668 /* main execution loop */
1670 struct vm_change_state_entry
{
1671 VMChangeStateHandler
*cb
;
1673 QLIST_ENTRY (vm_change_state_entry
) entries
;
1676 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1678 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1681 VMChangeStateEntry
*e
;
1683 e
= g_malloc0(sizeof (*e
));
1687 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1691 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1693 QLIST_REMOVE (e
, entries
);
1697 void vm_state_notify(int running
, RunState state
)
1699 VMChangeStateEntry
*e
;
1701 trace_vm_state_notify(running
, state
);
1703 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1704 e
->cb(e
->opaque
, running
, state
);
1710 if (!runstate_is_running()) {
1712 runstate_set(RUN_STATE_RUNNING
);
1713 vm_state_notify(1, RUN_STATE_RUNNING
);
1715 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1719 /* reset/shutdown handler */
1721 typedef struct QEMUResetEntry
{
1722 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1723 QEMUResetHandler
*func
;
1727 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1728 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1729 static int reset_requested
;
1730 static int shutdown_requested
, shutdown_signal
= -1;
1731 static pid_t shutdown_pid
;
1732 static int powerdown_requested
;
1733 static int debug_requested
;
1734 static int suspend_requested
;
1735 static int wakeup_requested
;
1736 static NotifierList powerdown_notifiers
=
1737 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1738 static NotifierList suspend_notifiers
=
1739 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1740 static NotifierList wakeup_notifiers
=
1741 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1742 static uint32_t wakeup_reason_mask
= ~0;
1743 static RunState vmstop_requested
= RUN_STATE_MAX
;
1745 int qemu_shutdown_requested_get(void)
1747 return shutdown_requested
;
1750 int qemu_reset_requested_get(void)
1752 return reset_requested
;
1755 static int qemu_shutdown_requested(void)
1757 int r
= shutdown_requested
;
1758 shutdown_requested
= 0;
1762 static void qemu_kill_report(void)
1764 if (!qtest_enabled() && shutdown_signal
!= -1) {
1765 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1766 if (shutdown_pid
== 0) {
1767 /* This happens for eg ^C at the terminal, so it's worth
1768 * avoiding printing an odd message in that case.
1770 fputc('\n', stderr
);
1772 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1774 shutdown_signal
= -1;
1778 static int qemu_reset_requested(void)
1780 int r
= reset_requested
;
1781 reset_requested
= 0;
1785 static int qemu_suspend_requested(void)
1787 int r
= suspend_requested
;
1788 suspend_requested
= 0;
1792 static int qemu_wakeup_requested(void)
1794 int r
= wakeup_requested
;
1795 wakeup_requested
= 0;
1799 static int qemu_powerdown_requested(void)
1801 int r
= powerdown_requested
;
1802 powerdown_requested
= 0;
1806 static int qemu_debug_requested(void)
1808 int r
= debug_requested
;
1809 debug_requested
= 0;
1813 /* We use RUN_STATE_MAX but any invalid value will do */
1814 static bool qemu_vmstop_requested(RunState
*r
)
1816 if (vmstop_requested
< RUN_STATE_MAX
) {
1817 *r
= vmstop_requested
;
1818 vmstop_requested
= RUN_STATE_MAX
;
1825 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1827 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1830 re
->opaque
= opaque
;
1831 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1834 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1838 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1839 if (re
->func
== func
&& re
->opaque
== opaque
) {
1840 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1847 void qemu_devices_reset(void)
1849 QEMUResetEntry
*re
, *nre
;
1851 /* reset all devices */
1852 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1853 re
->func(re
->opaque
);
1857 void qemu_system_reset(bool report
)
1859 if (current_machine
&& current_machine
->reset
) {
1860 current_machine
->reset();
1862 qemu_devices_reset();
1865 monitor_protocol_event(QEVENT_RESET
, NULL
);
1867 cpu_synchronize_all_post_reset();
1870 void qemu_system_reset_request(void)
1873 shutdown_requested
= 1;
1875 reset_requested
= 1;
1878 qemu_notify_event();
1881 static void qemu_system_suspend(void)
1884 notifier_list_notify(&suspend_notifiers
, NULL
);
1885 runstate_set(RUN_STATE_SUSPENDED
);
1886 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1889 void qemu_system_suspend_request(void)
1891 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1894 suspend_requested
= 1;
1896 qemu_notify_event();
1899 void qemu_register_suspend_notifier(Notifier
*notifier
)
1901 notifier_list_add(&suspend_notifiers
, notifier
);
1904 void qemu_system_wakeup_request(WakeupReason reason
)
1906 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1909 if (!(wakeup_reason_mask
& (1 << reason
))) {
1912 runstate_set(RUN_STATE_RUNNING
);
1913 notifier_list_notify(&wakeup_notifiers
, &reason
);
1914 wakeup_requested
= 1;
1915 qemu_notify_event();
1918 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1921 wakeup_reason_mask
|= (1 << reason
);
1923 wakeup_reason_mask
&= ~(1 << reason
);
1927 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1929 notifier_list_add(&wakeup_notifiers
, notifier
);
1932 void qemu_system_killed(int signal
, pid_t pid
)
1934 shutdown_signal
= signal
;
1937 qemu_system_shutdown_request();
1940 void qemu_system_shutdown_request(void)
1942 shutdown_requested
= 1;
1943 qemu_notify_event();
1946 static void qemu_system_powerdown(void)
1948 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1949 notifier_list_notify(&powerdown_notifiers
, NULL
);
1952 void qemu_system_powerdown_request(void)
1954 powerdown_requested
= 1;
1955 qemu_notify_event();
1958 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1960 notifier_list_add(&powerdown_notifiers
, notifier
);
1963 void qemu_system_debug_request(void)
1965 debug_requested
= 1;
1966 qemu_notify_event();
1969 void qemu_system_vmstop_request(RunState state
)
1971 vmstop_requested
= state
;
1972 qemu_notify_event();
1975 static bool main_loop_should_exit(void)
1978 if (qemu_debug_requested()) {
1979 vm_stop(RUN_STATE_DEBUG
);
1981 if (qemu_suspend_requested()) {
1982 qemu_system_suspend();
1984 if (qemu_shutdown_requested()) {
1986 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1988 vm_stop(RUN_STATE_SHUTDOWN
);
1993 if (qemu_reset_requested()) {
1995 cpu_synchronize_all_states();
1996 qemu_system_reset(VMRESET_REPORT
);
1998 if (runstate_needs_reset()) {
1999 runstate_set(RUN_STATE_PAUSED
);
2002 if (qemu_wakeup_requested()) {
2004 cpu_synchronize_all_states();
2005 qemu_system_reset(VMRESET_SILENT
);
2007 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2009 if (qemu_powerdown_requested()) {
2010 qemu_system_powerdown();
2012 if (qemu_vmstop_requested(&r
)) {
2018 static void main_loop(void)
2022 #ifdef CONFIG_PROFILER
2026 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2027 #ifdef CONFIG_PROFILER
2028 ti
= profile_getclock();
2030 last_io
= main_loop_wait(nonblocking
);
2031 #ifdef CONFIG_PROFILER
2032 dev_time
+= profile_getclock() - ti
;
2034 } while (!main_loop_should_exit());
2037 static void version(void)
2039 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2042 static void help(int exitcode
)
2045 printf("usage: %s [options] [disk_image]\n\n"
2046 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2047 error_get_progname());
2049 #define QEMU_OPTIONS_GENERATE_HELP
2050 #include "qemu-options-wrapper.h"
2052 printf("\nDuring emulation, the following keys are useful:\n"
2053 "ctrl-alt-f toggle full screen\n"
2054 "ctrl-alt-n switch to virtual console 'n'\n"
2055 "ctrl-alt toggle mouse and keyboard grab\n"
2057 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2062 #define HAS_ARG 0x0001
2064 typedef struct QEMUOption
{
2071 static const QEMUOption qemu_options
[] = {
2072 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2073 #define QEMU_OPTIONS_GENERATE_OPTIONS
2074 #include "qemu-options-wrapper.h"
2078 static bool vga_available(void)
2080 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2083 static bool cirrus_vga_available(void)
2085 return object_class_by_name("cirrus-vga")
2086 || object_class_by_name("isa-cirrus-vga");
2089 static bool vmware_vga_available(void)
2091 return object_class_by_name("vmware-svga");
2094 static bool qxl_vga_available(void)
2096 return object_class_by_name("qxl-vga");
2099 static void select_vgahw (const char *p
)
2103 vga_interface_type
= VGA_NONE
;
2104 if (strstart(p
, "std", &opts
)) {
2105 if (vga_available()) {
2106 vga_interface_type
= VGA_STD
;
2108 fprintf(stderr
, "Error: standard VGA not available\n");
2111 } else if (strstart(p
, "cirrus", &opts
)) {
2112 if (cirrus_vga_available()) {
2113 vga_interface_type
= VGA_CIRRUS
;
2115 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2118 } else if (strstart(p
, "vmware", &opts
)) {
2119 if (vmware_vga_available()) {
2120 vga_interface_type
= VGA_VMWARE
;
2122 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2125 } else if (strstart(p
, "xenfb", &opts
)) {
2126 vga_interface_type
= VGA_XENFB
;
2127 } else if (strstart(p
, "qxl", &opts
)) {
2128 if (qxl_vga_available()) {
2129 vga_interface_type
= VGA_QXL
;
2131 fprintf(stderr
, "Error: QXL VGA not available\n");
2134 } else if (!strstart(p
, "none", &opts
)) {
2136 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2140 const char *nextopt
;
2142 if (strstart(opts
, ",retrace=", &nextopt
)) {
2144 if (strstart(opts
, "dumb", &nextopt
))
2145 vga_retrace_method
= VGA_RETRACE_DUMB
;
2146 else if (strstart(opts
, "precise", &nextopt
))
2147 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2148 else goto invalid_vga
;
2149 } else goto invalid_vga
;
2154 static DisplayType
select_display(const char *p
)
2157 DisplayType display
= DT_DEFAULT
;
2159 if (strstart(p
, "sdl", &opts
)) {
2163 const char *nextopt
;
2165 if (strstart(opts
, ",frame=", &nextopt
)) {
2167 if (strstart(opts
, "on", &nextopt
)) {
2169 } else if (strstart(opts
, "off", &nextopt
)) {
2172 goto invalid_sdl_args
;
2174 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2176 if (strstart(opts
, "on", &nextopt
)) {
2178 } else if (strstart(opts
, "off", &nextopt
)) {
2181 goto invalid_sdl_args
;
2183 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2185 if (strstart(opts
, "on", &nextopt
)) {
2187 } else if (strstart(opts
, "off", &nextopt
)) {
2190 goto invalid_sdl_args
;
2192 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2194 if (strstart(opts
, "on", &nextopt
)) {
2196 } else if (strstart(opts
, "off", &nextopt
)) {
2199 goto invalid_sdl_args
;
2203 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2209 fprintf(stderr
, "SDL support is disabled\n");
2212 } else if (strstart(p
, "vnc", &opts
)) {
2217 const char *nextopt
;
2219 if (strstart(opts
, "=", &nextopt
)) {
2220 vnc_display
= nextopt
;
2224 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2228 fprintf(stderr
, "VNC support is disabled\n");
2231 } else if (strstart(p
, "curses", &opts
)) {
2232 #ifdef CONFIG_CURSES
2233 display
= DT_CURSES
;
2235 fprintf(stderr
, "Curses support is disabled\n");
2238 } else if (strstart(p
, "gtk", &opts
)) {
2242 fprintf(stderr
, "GTK support is disabled\n");
2245 } else if (strstart(p
, "none", &opts
)) {
2248 fprintf(stderr
, "Unknown display type: %s\n", p
);
2255 static int balloon_parse(const char *arg
)
2259 if (strcmp(arg
, "none") == 0) {
2263 if (!strncmp(arg
, "virtio", 6)) {
2264 if (arg
[6] == ',') {
2265 /* have params -> parse them */
2266 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2270 /* create empty opts */
2271 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2273 qemu_opt_set(opts
, "driver", "virtio-balloon");
2280 char *qemu_find_file(int type
, const char *name
)
2286 /* Try the name as a straight path first */
2287 if (access(name
, R_OK
) == 0) {
2288 trace_load_file(name
, name
);
2289 return g_strdup(name
);
2293 case QEMU_FILE_TYPE_BIOS
:
2296 case QEMU_FILE_TYPE_KEYMAP
:
2297 subdir
= "keymaps/";
2303 for (i
= 0; i
< data_dir_idx
; i
++) {
2304 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2305 if (access(buf
, R_OK
) == 0) {
2306 trace_load_file(name
, buf
);
2314 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2316 return qdev_device_help(opts
);
2319 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2323 dev
= qdev_device_add(opts
);
2326 object_unref(OBJECT(dev
));
2330 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2332 Error
*local_err
= NULL
;
2334 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2335 if (error_is_set(&local_err
)) {
2336 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2337 error_free(local_err
);
2343 #ifdef CONFIG_VIRTFS
2344 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2347 ret
= qemu_fsdev_add(opts
);
2353 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2355 CharDriverState
*chr
;
2356 const char *chardev
;
2360 mode
= qemu_opt_get(opts
, "mode");
2364 if (strcmp(mode
, "readline") == 0) {
2365 flags
= MONITOR_USE_READLINE
;
2366 } else if (strcmp(mode
, "control") == 0) {
2367 flags
= MONITOR_USE_CONTROL
;
2369 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2373 if (qemu_opt_get_bool(opts
, "pretty", 0))
2374 flags
|= MONITOR_USE_PRETTY
;
2376 if (qemu_opt_get_bool(opts
, "default", 0))
2377 flags
|= MONITOR_IS_DEFAULT
;
2379 chardev
= qemu_opt_get(opts
, "chardev");
2380 chr
= qemu_chr_find(chardev
);
2382 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2386 qemu_chr_fe_claim_no_fail(chr
);
2387 monitor_init(chr
, flags
);
2391 static void monitor_parse(const char *optarg
, const char *mode
)
2393 static int monitor_device_index
= 0;
2399 if (strstart(optarg
, "chardev:", &p
)) {
2400 snprintf(label
, sizeof(label
), "%s", p
);
2402 snprintf(label
, sizeof(label
), "compat_monitor%d",
2403 monitor_device_index
);
2404 if (monitor_device_index
== 0) {
2407 opts
= qemu_chr_parse_compat(label
, optarg
);
2409 fprintf(stderr
, "parse error: %s\n", optarg
);
2414 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2416 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2419 qemu_opt_set(opts
, "mode", mode
);
2420 qemu_opt_set(opts
, "chardev", label
);
2422 qemu_opt_set(opts
, "default", "on");
2423 monitor_device_index
++;
2426 struct device_config
{
2428 DEV_USB
, /* -usbdevice */
2430 DEV_SERIAL
, /* -serial */
2431 DEV_PARALLEL
, /* -parallel */
2432 DEV_VIRTCON
, /* -virtioconsole */
2433 DEV_DEBUGCON
, /* -debugcon */
2434 DEV_GDB
, /* -gdb, -s */
2435 DEV_SCLP
, /* s390 sclp */
2437 const char *cmdline
;
2439 QTAILQ_ENTRY(device_config
) next
;
2442 static QTAILQ_HEAD(, device_config
) device_configs
=
2443 QTAILQ_HEAD_INITIALIZER(device_configs
);
2445 static void add_device_config(int type
, const char *cmdline
)
2447 struct device_config
*conf
;
2449 conf
= g_malloc0(sizeof(*conf
));
2451 conf
->cmdline
= cmdline
;
2452 loc_save(&conf
->loc
);
2453 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2456 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2458 struct device_config
*conf
;
2461 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2462 if (conf
->type
!= type
)
2464 loc_push_restore(&conf
->loc
);
2465 rc
= func(conf
->cmdline
);
2466 loc_pop(&conf
->loc
);
2473 static int serial_parse(const char *devname
)
2475 static int index
= 0;
2478 if (strcmp(devname
, "none") == 0)
2480 if (index
== MAX_SERIAL_PORTS
) {
2481 fprintf(stderr
, "qemu: too many serial ports\n");
2484 snprintf(label
, sizeof(label
), "serial%d", index
);
2485 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2486 if (!serial_hds
[index
]) {
2487 fprintf(stderr
, "qemu: could not connect serial device"
2488 " to character backend '%s'\n", devname
);
2495 static int parallel_parse(const char *devname
)
2497 static int index
= 0;
2500 if (strcmp(devname
, "none") == 0)
2502 if (index
== MAX_PARALLEL_PORTS
) {
2503 fprintf(stderr
, "qemu: too many parallel ports\n");
2506 snprintf(label
, sizeof(label
), "parallel%d", index
);
2507 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2508 if (!parallel_hds
[index
]) {
2509 fprintf(stderr
, "qemu: could not connect parallel device"
2510 " to character backend '%s'\n", devname
);
2517 static int virtcon_parse(const char *devname
)
2519 QemuOptsList
*device
= qemu_find_opts("device");
2520 static int index
= 0;
2522 QemuOpts
*bus_opts
, *dev_opts
;
2524 if (strcmp(devname
, "none") == 0)
2526 if (index
== MAX_VIRTIO_CONSOLES
) {
2527 fprintf(stderr
, "qemu: too many virtio consoles\n");
2531 bus_opts
= qemu_opts_create_nofail(device
);
2532 if (arch_type
== QEMU_ARCH_S390X
) {
2533 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2535 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2538 dev_opts
= qemu_opts_create_nofail(device
);
2539 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2541 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2542 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2543 if (!virtcon_hds
[index
]) {
2544 fprintf(stderr
, "qemu: could not connect virtio console"
2545 " to character backend '%s'\n", devname
);
2548 qemu_opt_set(dev_opts
, "chardev", label
);
2554 static int sclp_parse(const char *devname
)
2556 QemuOptsList
*device
= qemu_find_opts("device");
2557 static int index
= 0;
2561 if (strcmp(devname
, "none") == 0) {
2564 if (index
== MAX_SCLP_CONSOLES
) {
2565 fprintf(stderr
, "qemu: too many sclp consoles\n");
2569 assert(arch_type
== QEMU_ARCH_S390X
);
2571 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2572 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2574 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2575 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2576 if (!sclp_hds
[index
]) {
2577 fprintf(stderr
, "qemu: could not connect sclp console"
2578 " to character backend '%s'\n", devname
);
2581 qemu_opt_set(dev_opts
, "chardev", label
);
2587 static int debugcon_parse(const char *devname
)
2591 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2594 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2596 fprintf(stderr
, "qemu: already have a debugcon device\n");
2599 qemu_opt_set(opts
, "driver", "isa-debugcon");
2600 qemu_opt_set(opts
, "chardev", "debugcon");
2604 static QEMUMachine
*machine_parse(const char *name
)
2606 QEMUMachine
*m
, *machine
= NULL
;
2609 machine
= find_machine(name
);
2614 printf("Supported machines are:\n");
2615 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2617 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2619 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2620 m
->is_default
? " (default)" : "");
2622 exit(!name
|| !is_help_option(name
));
2625 static int tcg_init(void)
2627 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2632 const char *opt_name
;
2634 int (*available
)(void);
2638 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2639 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2640 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2641 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2644 static int configure_accelerator(void)
2646 const char *p
= NULL
;
2649 bool accel_initialised
= false;
2650 bool init_failed
= false;
2652 QemuOptsList
*list
= qemu_find_opts("machine");
2653 if (!QTAILQ_EMPTY(&list
->head
)) {
2654 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2658 /* Use the default "accelerator", tcg */
2662 while (!accel_initialised
&& *p
!= '\0') {
2666 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2667 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2668 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2669 if (!accel_list
[i
].available()) {
2670 printf("%s not supported for this target\n",
2671 accel_list
[i
].name
);
2674 *(accel_list
[i
].allowed
) = true;
2675 ret
= accel_list
[i
].init();
2678 fprintf(stderr
, "failed to initialize %s: %s\n",
2681 *(accel_list
[i
].allowed
) = false;
2683 accel_initialised
= true;
2688 if (i
== ARRAY_SIZE(accel_list
)) {
2689 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2693 if (!accel_initialised
) {
2695 fprintf(stderr
, "No accelerator found!\n");
2701 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2704 return !accel_initialised
;
2707 void qemu_add_exit_notifier(Notifier
*notify
)
2709 notifier_list_add(&exit_notifiers
, notify
);
2712 void qemu_remove_exit_notifier(Notifier
*notify
)
2714 notifier_remove(notify
);
2717 static void qemu_run_exit_notifiers(void)
2719 notifier_list_notify(&exit_notifiers
, NULL
);
2722 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2724 notifier_list_add(&machine_init_done_notifiers
, notify
);
2727 static void qemu_run_machine_init_done_notifiers(void)
2729 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2732 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2733 const char **poptarg
, int *poptind
)
2735 const QEMUOption
*popt
;
2736 int optind
= *poptind
;
2737 char *r
= argv
[optind
];
2740 loc_set_cmdline(argv
, optind
, 1);
2742 /* Treat --foo the same as -foo. */
2745 popt
= qemu_options
;
2748 error_report("invalid option");
2751 if (!strcmp(popt
->name
, r
+ 1))
2755 if (popt
->flags
& HAS_ARG
) {
2756 if (optind
>= argc
) {
2757 error_report("requires an argument");
2760 optarg
= argv
[optind
++];
2761 loc_set_cmdline(argv
, optind
- 2, 2);
2772 static gpointer
malloc_and_trace(gsize n_bytes
)
2774 void *ptr
= malloc(n_bytes
);
2775 trace_g_malloc(n_bytes
, ptr
);
2779 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2781 void *ptr
= realloc(mem
, n_bytes
);
2782 trace_g_realloc(mem
, n_bytes
, ptr
);
2786 static void free_and_trace(gpointer mem
)
2792 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2794 Object
*obj
= OBJECT(opaque
);
2795 StringInputVisitor
*siv
;
2796 Error
*local_err
= NULL
;
2798 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2802 siv
= string_input_visitor_new(value
);
2803 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2804 string_input_visitor_cleanup(siv
);
2807 qerror_report_err(local_err
);
2808 error_free(local_err
);
2815 static int object_create(QemuOpts
*opts
, void *opaque
)
2817 const char *type
= qemu_opt_get(opts
, "qom-type");
2818 const char *id
= qemu_opts_id(opts
);
2821 g_assert(type
!= NULL
);
2824 qerror_report(QERR_MISSING_PARAMETER
, "id");
2828 obj
= object_new(type
);
2829 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2833 object_property_add_child(container_get(object_get_root(), "/objects"),
2839 int main(int argc
, char **argv
, char **envp
)
2842 int snapshot
, linux_boot
;
2843 const char *icount_option
= NULL
;
2844 const char *initrd_filename
;
2845 const char *kernel_filename
, *kernel_cmdline
;
2846 char boot_devices
[33] = "";
2848 int cyls
, heads
, secs
, translation
;
2849 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2850 QemuOptsList
*olist
;
2853 const char *loadvm
= NULL
;
2854 QEMUMachine
*machine
;
2855 const char *cpu_model
;
2856 const char *vga_model
= "none";
2857 const char *pid_file
= NULL
;
2858 const char *incoming
= NULL
;
2860 int show_vnc_port
= 0;
2862 bool defconfig
= true;
2863 bool userconfig
= true;
2864 const char *log_mask
= NULL
;
2865 const char *log_file
= NULL
;
2866 GMemVTable mem_trace
= {
2867 .malloc
= malloc_and_trace
,
2868 .realloc
= realloc_and_trace
,
2869 .free
= free_and_trace
,
2871 const char *trace_events
= NULL
;
2872 const char *trace_file
= NULL
;
2874 atexit(qemu_run_exit_notifiers
);
2875 error_set_progname(argv
[0]);
2877 g_mem_set_vtable(&mem_trace
);
2878 if (!g_thread_supported()) {
2879 #if !GLIB_CHECK_VERSION(2, 31, 0)
2880 g_thread_init(NULL
);
2882 fprintf(stderr
, "glib threading failed to initialize.\n");
2887 module_call_init(MODULE_INIT_QOM
);
2889 qemu_add_opts(&qemu_drive_opts
);
2890 qemu_add_opts(&qemu_chardev_opts
);
2891 qemu_add_opts(&qemu_device_opts
);
2892 qemu_add_opts(&qemu_netdev_opts
);
2893 qemu_add_opts(&qemu_net_opts
);
2894 qemu_add_opts(&qemu_rtc_opts
);
2895 qemu_add_opts(&qemu_global_opts
);
2896 qemu_add_opts(&qemu_mon_opts
);
2897 qemu_add_opts(&qemu_trace_opts
);
2898 qemu_add_opts(&qemu_option_rom_opts
);
2899 qemu_add_opts(&qemu_machine_opts
);
2900 qemu_add_opts(&qemu_boot_opts
);
2901 qemu_add_opts(&qemu_sandbox_opts
);
2902 qemu_add_opts(&qemu_add_fd_opts
);
2903 qemu_add_opts(&qemu_object_opts
);
2904 qemu_add_opts(&qemu_tpmdev_opts
);
2905 qemu_add_opts(&qemu_realtime_opts
);
2910 rtc_clock
= host_clock
;
2912 qemu_cache_utils_init(envp
);
2914 QLIST_INIT (&vm_change_state_head
);
2915 os_setup_early_signal_handling();
2917 module_call_init(MODULE_INIT_MACHINE
);
2918 machine
= find_default_machine();
2922 cyls
= heads
= secs
= 0;
2923 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2925 for (i
= 0; i
< MAX_NODES
; i
++) {
2927 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2933 bdrv_init_with_whitelist();
2937 /* first pass of option parsing */
2939 while (optind
< argc
) {
2940 if (argv
[optind
][0] != '-') {
2945 const QEMUOption
*popt
;
2947 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2948 switch (popt
->index
) {
2949 case QEMU_OPTION_nodefconfig
:
2952 case QEMU_OPTION_nouserconfig
:
2961 ret
= qemu_read_default_config_files(userconfig
);
2967 /* second pass of option parsing */
2972 if (argv
[optind
][0] != '-') {
2973 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2975 const QEMUOption
*popt
;
2977 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2978 if (!(popt
->arch_mask
& arch_type
)) {
2979 printf("Option %s not supported for this target\n", popt
->name
);
2982 switch(popt
->index
) {
2984 machine
= machine_parse(optarg
);
2986 case QEMU_OPTION_no_kvm_irqchip
: {
2987 olist
= qemu_find_opts("machine");
2988 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
2991 case QEMU_OPTION_cpu
:
2992 /* hw initialization will check this */
2995 case QEMU_OPTION_hda
:
2999 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3001 snprintf(buf
, sizeof(buf
),
3002 "%s,cyls=%d,heads=%d,secs=%d%s",
3003 HD_OPTS
, cyls
, heads
, secs
,
3004 translation
== BIOS_ATA_TRANSLATION_LBA
?
3006 translation
== BIOS_ATA_TRANSLATION_NONE
?
3007 ",trans=none" : "");
3008 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3011 case QEMU_OPTION_hdb
:
3012 case QEMU_OPTION_hdc
:
3013 case QEMU_OPTION_hdd
:
3014 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3017 case QEMU_OPTION_drive
:
3018 if (drive_def(optarg
) == NULL
) {
3022 case QEMU_OPTION_set
:
3023 if (qemu_set_option(optarg
) != 0)
3026 case QEMU_OPTION_global
:
3027 if (qemu_global_option(optarg
) != 0)
3030 case QEMU_OPTION_mtdblock
:
3031 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3033 case QEMU_OPTION_sd
:
3034 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3036 case QEMU_OPTION_pflash
:
3037 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3039 case QEMU_OPTION_snapshot
:
3042 case QEMU_OPTION_hdachs
:
3046 cyls
= strtol(p
, (char **)&p
, 0);
3047 if (cyls
< 1 || cyls
> 16383)
3052 heads
= strtol(p
, (char **)&p
, 0);
3053 if (heads
< 1 || heads
> 16)
3058 secs
= strtol(p
, (char **)&p
, 0);
3059 if (secs
< 1 || secs
> 63)
3063 if (!strcmp(p
, "none"))
3064 translation
= BIOS_ATA_TRANSLATION_NONE
;
3065 else if (!strcmp(p
, "lba"))
3066 translation
= BIOS_ATA_TRANSLATION_LBA
;
3067 else if (!strcmp(p
, "auto"))
3068 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3071 } else if (*p
!= '\0') {
3073 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3076 if (hda_opts
!= NULL
) {
3078 snprintf(num
, sizeof(num
), "%d", cyls
);
3079 qemu_opt_set(hda_opts
, "cyls", num
);
3080 snprintf(num
, sizeof(num
), "%d", heads
);
3081 qemu_opt_set(hda_opts
, "heads", num
);
3082 snprintf(num
, sizeof(num
), "%d", secs
);
3083 qemu_opt_set(hda_opts
, "secs", num
);
3084 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3085 qemu_opt_set(hda_opts
, "trans", "lba");
3086 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3087 qemu_opt_set(hda_opts
, "trans", "none");
3091 case QEMU_OPTION_numa
:
3094 case QEMU_OPTION_display
:
3095 display_type
= select_display(optarg
);
3097 case QEMU_OPTION_nographic
:
3098 display_type
= DT_NOGRAPHIC
;
3100 case QEMU_OPTION_curses
:
3101 #ifdef CONFIG_CURSES
3102 display_type
= DT_CURSES
;
3104 fprintf(stderr
, "Curses support is disabled\n");
3108 case QEMU_OPTION_portrait
:
3109 graphic_rotate
= 90;
3111 case QEMU_OPTION_rotate
:
3112 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3113 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3114 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3116 "qemu: only 90, 180, 270 deg rotation is available\n");
3120 case QEMU_OPTION_kernel
:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3123 case QEMU_OPTION_initrd
:
3124 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3126 case QEMU_OPTION_append
:
3127 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3129 case QEMU_OPTION_dtb
:
3130 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3132 case QEMU_OPTION_cdrom
:
3133 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3135 case QEMU_OPTION_boot
:
3137 static const char * const params
[] = {
3138 "order", "once", "menu",
3139 "splash", "splash-time",
3140 "reboot-timeout", "strict", NULL
3142 char buf
[sizeof(boot_devices
)];
3143 char *standard_boot_devices
;
3146 if (!strchr(optarg
, '=')) {
3148 pstrcpy(buf
, sizeof(buf
), optarg
);
3149 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
3151 "qemu: unknown boot parameter '%s' in '%s'\n",
3157 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
3158 validate_bootdevices(buf
);
3159 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3162 if (get_param_value(buf
, sizeof(buf
),
3164 validate_bootdevices(buf
);
3165 standard_boot_devices
= g_strdup(boot_devices
);
3166 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
3167 qemu_register_reset(restore_boot_devices
,
3168 standard_boot_devices
);
3170 if (get_param_value(buf
, sizeof(buf
),
3172 if (!strcmp(buf
, "on")) {
3174 } else if (!strcmp(buf
, "off")) {
3178 "qemu: invalid option value '%s'\n",
3183 if (get_param_value(buf
, sizeof(buf
),
3184 "strict", optarg
)) {
3185 if (!strcmp(buf
, "on")) {
3187 } else if (!strcmp(buf
, "off")) {
3188 boot_strict
= false;
3191 "qemu: invalid option value '%s'\n",
3196 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3203 case QEMU_OPTION_fda
:
3204 case QEMU_OPTION_fdb
:
3205 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3208 case QEMU_OPTION_no_fd_bootchk
:
3211 case QEMU_OPTION_netdev
:
3212 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3216 case QEMU_OPTION_net
:
3217 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3221 #ifdef CONFIG_LIBISCSI
3222 case QEMU_OPTION_iscsi
:
3223 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3230 case QEMU_OPTION_tftp
:
3231 legacy_tftp_prefix
= optarg
;
3233 case QEMU_OPTION_bootp
:
3234 legacy_bootp_filename
= optarg
;
3236 case QEMU_OPTION_redir
:
3237 if (net_slirp_redir(optarg
) < 0)
3241 case QEMU_OPTION_bt
:
3242 add_device_config(DEV_BT
, optarg
);
3244 case QEMU_OPTION_audio_help
:
3248 case QEMU_OPTION_soundhw
:
3249 select_soundhw (optarg
);
3254 case QEMU_OPTION_version
:
3258 case QEMU_OPTION_m
: {
3263 value
= strtosz(optarg
, &end
);
3264 if (value
< 0 || *end
) {
3265 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3268 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3270 if (ram_size
!= sz
) {
3271 fprintf(stderr
, "qemu: ram size too large\n");
3277 case QEMU_OPTION_tpmdev
:
3278 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3283 case QEMU_OPTION_mempath
:
3287 case QEMU_OPTION_mem_prealloc
:
3298 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3300 case QEMU_OPTION_gdb
:
3301 add_device_config(DEV_GDB
, optarg
);
3304 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3305 data_dir
[data_dir_idx
++] = optarg
;
3308 case QEMU_OPTION_bios
:
3311 case QEMU_OPTION_singlestep
:
3318 keyboard_layout
= optarg
;
3320 case QEMU_OPTION_localtime
:
3323 case QEMU_OPTION_vga
:
3332 w
= strtol(p
, (char **)&p
, 10);
3335 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3341 h
= strtol(p
, (char **)&p
, 10);
3346 depth
= strtol(p
, (char **)&p
, 10);
3347 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3348 depth
!= 24 && depth
!= 32)
3350 } else if (*p
== '\0') {
3351 depth
= graphic_depth
;
3358 graphic_depth
= depth
;
3361 case QEMU_OPTION_echr
:
3364 term_escape_char
= strtol(optarg
, &r
, 0);
3366 printf("Bad argument to echr\n");
3369 case QEMU_OPTION_monitor
:
3370 default_monitor
= 0;
3371 if (strncmp(optarg
, "none", 4)) {
3372 monitor_parse(optarg
, "readline");
3375 case QEMU_OPTION_qmp
:
3376 monitor_parse(optarg
, "control");
3377 default_monitor
= 0;
3379 case QEMU_OPTION_mon
:
3380 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3384 default_monitor
= 0;
3386 case QEMU_OPTION_chardev
:
3387 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3392 case QEMU_OPTION_fsdev
:
3393 olist
= qemu_find_opts("fsdev");
3395 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3398 opts
= qemu_opts_parse(olist
, optarg
, 1);
3403 case QEMU_OPTION_virtfs
: {
3406 const char *writeout
, *sock_fd
, *socket
;
3408 olist
= qemu_find_opts("virtfs");
3410 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3413 opts
= qemu_opts_parse(olist
, optarg
, 1);
3418 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3419 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3420 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3423 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3424 qemu_opt_get(opts
, "mount_tag"),
3427 fprintf(stderr
, "duplicate fsdev id: %s\n",
3428 qemu_opt_get(opts
, "mount_tag"));
3432 writeout
= qemu_opt_get(opts
, "writeout");
3434 #ifdef CONFIG_SYNC_FILE_RANGE
3435 qemu_opt_set(fsdev
, "writeout", writeout
);
3437 fprintf(stderr
, "writeout=immediate not supported on "
3442 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3443 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3444 qemu_opt_set(fsdev
, "security_model",
3445 qemu_opt_get(opts
, "security_model"));
3446 socket
= qemu_opt_get(opts
, "socket");
3448 qemu_opt_set(fsdev
, "socket", socket
);
3450 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3452 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3455 qemu_opt_set_bool(fsdev
, "readonly",
3456 qemu_opt_get_bool(opts
, "readonly", 0));
3457 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3458 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3459 qemu_opt_set(device
, "fsdev",
3460 qemu_opt_get(opts
, "mount_tag"));
3461 qemu_opt_set(device
, "mount_tag",
3462 qemu_opt_get(opts
, "mount_tag"));
3465 case QEMU_OPTION_virtfs_synth
: {
3469 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3472 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3475 qemu_opt_set(fsdev
, "fsdriver", "synth");
3477 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3478 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3479 qemu_opt_set(device
, "fsdev", "v_synth");
3480 qemu_opt_set(device
, "mount_tag", "v_synth");
3483 case QEMU_OPTION_serial
:
3484 add_device_config(DEV_SERIAL
, optarg
);
3486 if (strncmp(optarg
, "mon:", 4) == 0) {
3487 default_monitor
= 0;
3490 case QEMU_OPTION_watchdog
:
3493 "qemu: only one watchdog option may be given\n");
3498 case QEMU_OPTION_watchdog_action
:
3499 if (select_watchdog_action(optarg
) == -1) {
3500 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3504 case QEMU_OPTION_virtiocon
:
3505 add_device_config(DEV_VIRTCON
, optarg
);
3506 default_virtcon
= 0;
3507 if (strncmp(optarg
, "mon:", 4) == 0) {
3508 default_monitor
= 0;
3511 case QEMU_OPTION_parallel
:
3512 add_device_config(DEV_PARALLEL
, optarg
);
3513 default_parallel
= 0;
3514 if (strncmp(optarg
, "mon:", 4) == 0) {
3515 default_monitor
= 0;
3518 case QEMU_OPTION_debugcon
:
3519 add_device_config(DEV_DEBUGCON
, optarg
);
3521 case QEMU_OPTION_loadvm
:
3524 case QEMU_OPTION_full_screen
:
3528 case QEMU_OPTION_no_frame
:
3531 case QEMU_OPTION_alt_grab
:
3534 case QEMU_OPTION_ctrl_grab
:
3537 case QEMU_OPTION_no_quit
:
3540 case QEMU_OPTION_sdl
:
3541 display_type
= DT_SDL
;
3544 case QEMU_OPTION_no_frame
:
3545 case QEMU_OPTION_alt_grab
:
3546 case QEMU_OPTION_ctrl_grab
:
3547 case QEMU_OPTION_no_quit
:
3548 case QEMU_OPTION_sdl
:
3549 fprintf(stderr
, "SDL support is disabled\n");
3552 case QEMU_OPTION_pidfile
:
3555 case QEMU_OPTION_win2k_hack
:
3556 win2k_install_hack
= 1;
3558 case QEMU_OPTION_rtc_td_hack
: {
3559 static GlobalProperty slew_lost_ticks
[] = {
3561 .driver
= "mc146818rtc",
3562 .property
= "lost_tick_policy",
3565 { /* end of list */ }
3568 qdev_prop_register_global_list(slew_lost_ticks
);
3571 case QEMU_OPTION_acpitable
:
3572 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3573 g_assert(opts
!= NULL
);
3574 do_acpitable_option(opts
);
3576 case QEMU_OPTION_smbios
:
3577 do_smbios_option(optarg
);
3579 case QEMU_OPTION_enable_kvm
:
3580 olist
= qemu_find_opts("machine");
3581 qemu_opts_parse(olist
, "accel=kvm", 0);
3583 case QEMU_OPTION_machine
:
3584 olist
= qemu_find_opts("machine");
3585 opts
= qemu_opts_parse(olist
, optarg
, 1);
3589 optarg
= qemu_opt_get(opts
, "type");
3591 machine
= machine_parse(optarg
);
3594 case QEMU_OPTION_no_kvm
:
3595 olist
= qemu_find_opts("machine");
3596 qemu_opts_parse(olist
, "accel=tcg", 0);
3598 case QEMU_OPTION_no_kvm_pit
: {
3599 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3603 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3604 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3606 .driver
= "kvm-pit",
3607 .property
= "lost_tick_policy",
3610 { /* end of list */ }
3613 fprintf(stderr
, "Warning: option deprecated, use "
3614 "lost_tick_policy property of kvm-pit instead.\n");
3615 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3618 case QEMU_OPTION_usb
:
3619 olist
= qemu_find_opts("machine");
3620 qemu_opts_parse(olist
, "usb=on", 0);
3622 case QEMU_OPTION_usbdevice
:
3623 olist
= qemu_find_opts("machine");
3624 qemu_opts_parse(olist
, "usb=on", 0);
3625 add_device_config(DEV_USB
, optarg
);
3627 case QEMU_OPTION_device
:
3628 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3632 case QEMU_OPTION_smp
:
3635 fprintf(stderr
, "Invalid number of CPUs\n");
3638 if (max_cpus
< smp_cpus
) {
3639 fprintf(stderr
, "maxcpus must be equal to or greater than "
3643 if (max_cpus
> 255) {
3644 fprintf(stderr
, "Unsupported number of maxcpus\n");
3648 case QEMU_OPTION_vnc
:
3651 vnc_display
= optarg
;
3653 fprintf(stderr
, "VNC support is disabled\n");
3657 case QEMU_OPTION_no_acpi
:
3660 case QEMU_OPTION_no_hpet
:
3663 case QEMU_OPTION_balloon
:
3664 if (balloon_parse(optarg
) < 0) {
3665 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3669 case QEMU_OPTION_no_reboot
:
3672 case QEMU_OPTION_no_shutdown
:
3675 case QEMU_OPTION_show_cursor
:
3678 case QEMU_OPTION_uuid
:
3679 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3680 fprintf(stderr
, "Fail to parse UUID string."
3681 " Wrong format.\n");
3685 case QEMU_OPTION_option_rom
:
3686 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3687 fprintf(stderr
, "Too many option ROMs\n");
3690 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3694 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3695 option_rom
[nb_option_roms
].bootindex
=
3696 qemu_opt_get_number(opts
, "bootindex", -1);
3697 if (!option_rom
[nb_option_roms
].name
) {
3698 fprintf(stderr
, "Option ROM file is not specified\n");
3703 case QEMU_OPTION_semihosting
:
3704 semihosting_enabled
= 1;
3706 case QEMU_OPTION_tdf
:
3707 fprintf(stderr
, "Warning: user space PIT time drift fix "
3708 "is no longer supported.\n");
3710 case QEMU_OPTION_name
:
3711 qemu_name
= g_strdup(optarg
);
3713 char *p
= strchr(qemu_name
, ',');
3716 if (strncmp(p
, "process=", 8)) {
3717 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3721 os_set_proc_name(p
);
3725 case QEMU_OPTION_prom_env
:
3726 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3727 fprintf(stderr
, "Too many prom variables\n");
3730 prom_envs
[nb_prom_envs
] = optarg
;
3733 case QEMU_OPTION_old_param
:
3736 case QEMU_OPTION_clock
:
3737 configure_alarms(optarg
);
3739 case QEMU_OPTION_startdate
:
3740 configure_rtc_date_offset(optarg
, 1);
3742 case QEMU_OPTION_rtc
:
3743 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3747 configure_rtc(opts
);
3749 case QEMU_OPTION_tb_size
:
3750 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3751 if (tcg_tb_size
< 0) {
3755 case QEMU_OPTION_icount
:
3756 icount_option
= optarg
;
3758 case QEMU_OPTION_incoming
:
3760 runstate_set(RUN_STATE_INMIGRATE
);
3762 case QEMU_OPTION_nodefaults
:
3764 default_parallel
= 0;
3765 default_virtcon
= 0;
3767 default_monitor
= 0;
3774 case QEMU_OPTION_xen_domid
:
3775 if (!(xen_available())) {
3776 printf("Option %s not supported for this target\n", popt
->name
);
3779 xen_domid
= atoi(optarg
);
3781 case QEMU_OPTION_xen_create
:
3782 if (!(xen_available())) {
3783 printf("Option %s not supported for this target\n", popt
->name
);
3786 xen_mode
= XEN_CREATE
;
3788 case QEMU_OPTION_xen_attach
:
3789 if (!(xen_available())) {
3790 printf("Option %s not supported for this target\n", popt
->name
);
3793 xen_mode
= XEN_ATTACH
;
3795 case QEMU_OPTION_trace
:
3797 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3801 trace_events
= qemu_opt_get(opts
, "events");
3802 trace_file
= qemu_opt_get(opts
, "file");
3805 case QEMU_OPTION_readconfig
:
3807 int ret
= qemu_read_config_file(optarg
);
3809 fprintf(stderr
, "read config %s: %s\n", optarg
,
3815 case QEMU_OPTION_spice
:
3816 olist
= qemu_find_opts("spice");
3818 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3821 opts
= qemu_opts_parse(olist
, optarg
, 0);
3827 case QEMU_OPTION_writeconfig
:
3830 if (strcmp(optarg
, "-") == 0) {
3833 fp
= fopen(optarg
, "w");
3835 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3839 qemu_config_write(fp
);
3843 case QEMU_OPTION_qtest
:
3844 qtest_chrdev
= optarg
;
3846 case QEMU_OPTION_qtest_log
:
3849 case QEMU_OPTION_sandbox
:
3850 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3855 case QEMU_OPTION_add_fd
:
3857 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3862 error_report("File descriptor passing is disabled on this "
3867 case QEMU_OPTION_object
:
3868 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3873 case QEMU_OPTION_realtime
:
3874 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3878 configure_realtime(opts
);
3881 os_parse_cmd_args(popt
->index
, optarg
);
3887 if (qemu_init_main_loop()) {
3888 fprintf(stderr
, "qemu_init_main_loop failed\n");
3892 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3897 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3901 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3906 if (machine
== NULL
) {
3907 fprintf(stderr
, "No machine found.\n");
3911 if (machine
->hw_version
) {
3912 qemu_set_version(machine
->hw_version
);
3915 if (qemu_opts_foreach(qemu_find_opts("object"),
3916 object_create
, NULL
, 0) != 0) {
3920 /* Init CPU def lists, based on config
3921 * - Must be called after all the qemu_read_config_file() calls
3922 * - Must be called before list_cpus()
3923 * - Must be called before machine->init()
3927 if (cpu_model
&& is_help_option(cpu_model
)) {
3928 list_cpus(stdout
, &fprintf
, cpu_model
);
3932 /* Open the logfile at this point, if necessary. We can't open the logfile
3933 * when encountering either of the logging options (-d or -D) because the
3934 * other one may be encountered later on the command line, changing the
3935 * location or level of logging.
3940 qemu_set_log_filename(log_file
);
3943 mask
= qemu_str_to_log_mask(log_mask
);
3945 qemu_print_log_usage(stdout
);
3951 if (!trace_backend_init(trace_events
, trace_file
)) {
3955 /* If no data_dir is specified then try to find it relative to the
3957 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3958 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3959 if (data_dir
[data_dir_idx
] != NULL
) {
3963 /* If all else fails use the install path specified when building. */
3964 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3965 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3969 * Default to max_cpus = smp_cpus, in case the user doesn't
3970 * specify a max_cpus value.
3973 max_cpus
= smp_cpus
;
3975 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3976 if (smp_cpus
> machine
->max_cpus
) {
3977 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3978 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3984 * Get the default machine options from the machine if it is not already
3985 * specified either by the configuration file or by the command line.
3987 if (machine
->default_machine_opts
) {
3988 qemu_opts_set_defaults(qemu_find_opts("machine"),
3989 machine
->default_machine_opts
, 0);
3992 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3993 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3995 if (machine
->no_serial
) {
3998 if (machine
->no_parallel
) {
3999 default_parallel
= 0;
4001 if (!machine
->use_virtcon
) {
4002 default_virtcon
= 0;
4004 if (!machine
->use_sclp
) {
4007 if (machine
->no_floppy
) {
4010 if (machine
->no_cdrom
) {
4013 if (machine
->no_sdcard
) {
4017 if (is_daemonized()) {
4018 /* According to documentation and historically, -nographic redirects
4019 * serial port, parallel port and monitor to stdio, which does not work
4020 * with -daemonize. We can redirect these to null instead, but since
4021 * -nographic is legacy, let's just error out.
4022 * We disallow -nographic only if all other ports are not redirected
4023 * explicitly, to not break existing legacy setups which uses
4024 * -nographic _and_ redirects all ports explicitly - this is valid
4025 * usage, -nographic is just a no-op in this case.
4027 if (display_type
== DT_NOGRAPHIC
4028 && (default_parallel
|| default_serial
4029 || default_monitor
|| default_virtcon
)) {
4030 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4033 #ifdef CONFIG_CURSES
4034 if (display_type
== DT_CURSES
) {
4035 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4041 if (display_type
== DT_NOGRAPHIC
) {
4042 if (default_parallel
)
4043 add_device_config(DEV_PARALLEL
, "null");
4044 if (default_serial
&& default_monitor
) {
4045 add_device_config(DEV_SERIAL
, "mon:stdio");
4046 } else if (default_virtcon
&& default_monitor
) {
4047 add_device_config(DEV_VIRTCON
, "mon:stdio");
4048 } else if (default_sclp
&& default_monitor
) {
4049 add_device_config(DEV_SCLP
, "mon:stdio");
4052 add_device_config(DEV_SERIAL
, "stdio");
4053 if (default_virtcon
)
4054 add_device_config(DEV_VIRTCON
, "stdio");
4056 add_device_config(DEV_SCLP
, "stdio");
4058 if (default_monitor
)
4059 monitor_parse("stdio", "readline");
4063 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4064 if (default_parallel
)
4065 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4066 if (default_monitor
)
4067 monitor_parse("vc:80Cx24C", "readline");
4068 if (default_virtcon
)
4069 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4071 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4075 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4076 #if defined(CONFIG_GTK)
4077 display_type
= DT_GTK
;
4078 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4079 display_type
= DT_SDL
;
4080 #elif defined(CONFIG_VNC)
4081 vnc_display
= "localhost:0,to=99";
4084 display_type
= DT_NONE
;
4088 #if defined(CONFIG_GTK)
4089 if (display_type
== DT_GTK
) {
4090 early_gtk_display_init();
4096 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4098 #ifdef CONFIG_VIRTFS
4099 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4106 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4111 /* init the memory */
4112 if (ram_size
== 0) {
4113 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4116 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4121 configure_accelerator();
4123 if (!qtest_enabled() && qtest_chrdev
) {
4127 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
4129 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4130 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4131 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4133 kernel_filename
= initrd_filename
= kernel_cmdline
= NULL
;
4136 if (!kernel_cmdline
) {
4137 kernel_cmdline
= "";
4140 linux_boot
= (kernel_filename
!= NULL
);
4142 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4143 fprintf(stderr
, "-append only allowed with -kernel option\n");
4147 if (!linux_boot
&& initrd_filename
!= NULL
) {
4148 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4152 if (!linux_boot
&& machine_opts
&& qemu_opt_get(machine_opts
, "dtb")) {
4153 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4157 os_set_line_buffering();
4159 qemu_init_cpu_loop();
4160 qemu_mutex_lock_iothread();
4163 /* spice needs the timers to be initialized by this point */
4167 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4168 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4171 configure_icount(icount_option
);
4173 /* clean up network at qemu process termination */
4174 atexit(&net_cleanup
);
4176 if (net_init_clients() < 0) {
4181 if (tpm_init() < 0) {
4186 /* init the bluetooth world */
4187 if (foreach_device_config(DEV_BT
, bt_parse
))
4190 if (!xen_enabled()) {
4191 /* On 32-bit hosts, QEMU is limited by virtual address space */
4192 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4193 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4198 cpu_exec_init_all();
4202 /* open the virtual block devices */
4204 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4205 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4206 &machine
->block_default_type
, 1) != 0) {
4210 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4212 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4213 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4215 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4217 if (nb_numa_nodes
> 0) {
4220 if (nb_numa_nodes
> MAX_NODES
) {
4221 nb_numa_nodes
= MAX_NODES
;
4224 /* If no memory size if given for any node, assume the default case
4225 * and distribute the available memory equally across all nodes
4227 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4228 if (node_mem
[i
] != 0)
4231 if (i
== nb_numa_nodes
) {
4232 uint64_t usedmem
= 0;
4234 /* On Linux, the each node's border has to be 8MB aligned,
4235 * the final node gets the rest.
4237 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4238 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4239 usedmem
+= node_mem
[i
];
4241 node_mem
[i
] = ram_size
- usedmem
;
4244 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4245 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4249 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4250 * must cope with this anyway, because there are BIOSes out there in
4251 * real machines which also use this scheme.
4253 if (i
== nb_numa_nodes
) {
4254 for (i
= 0; i
< max_cpus
; i
++) {
4255 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4260 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4264 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4266 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4268 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4270 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4273 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4276 /* If no default VGA is requested, the default is "none". */
4278 if (cirrus_vga_available()) {
4279 vga_model
= "cirrus";
4280 } else if (vga_available()) {
4284 select_vgahw(vga_model
);
4287 i
= select_watchdog(watchdog
);
4289 exit (i
== 1 ? 1 : 0);
4292 if (machine
->compat_props
) {
4293 qdev_prop_register_global_list(machine
->compat_props
);
4297 qdev_machine_init();
4299 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4300 .boot_device
= (boot_devices
[0] == '\0') ?
4301 machine
->boot_order
:
4303 .kernel_filename
= kernel_filename
,
4304 .kernel_cmdline
= kernel_cmdline
,
4305 .initrd_filename
= initrd_filename
,
4306 .cpu_model
= cpu_model
};
4307 machine
->init(&args
);
4311 cpu_synchronize_all_post_init();
4315 current_machine
= machine
;
4317 /* init USB devices */
4318 if (usb_enabled(false)) {
4319 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4323 /* init generic devices */
4324 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4327 net_check_clients();
4329 ds
= init_displaystate();
4331 /* init local displays */
4332 switch (display_type
) {
4335 #if defined(CONFIG_CURSES)
4337 curses_display_init(ds
, full_screen
);
4340 #if defined(CONFIG_SDL)
4342 sdl_display_init(ds
, full_screen
, no_frame
);
4344 #elif defined(CONFIG_COCOA)
4346 cocoa_display_init(ds
, full_screen
);
4349 #if defined(CONFIG_GTK)
4351 gtk_display_init(ds
);
4358 /* must be after terminal init, SDL library changes signal handlers */
4359 os_setup_signal_handling();
4362 /* init remote displays */
4364 Error
*local_err
= NULL
;
4365 vnc_display_init(ds
);
4366 vnc_display_open(ds
, vnc_display
, &local_err
);
4367 if (local_err
!= NULL
) {
4368 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4369 vnc_display
, error_get_pretty(local_err
));
4370 error_free(local_err
);
4374 if (show_vnc_port
) {
4375 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4380 if (using_spice
&& !qxl_enabled
) {
4381 qemu_spice_display_init(ds
);
4385 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4389 qdev_machine_creation_done();
4391 if (rom_load_all() != 0) {
4392 fprintf(stderr
, "rom loading failed\n");
4396 /* TODO: once all bus devices are qdevified, this should be done
4397 * when bus is created by qdev.c */
4398 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4399 qemu_run_machine_init_done_notifiers();
4401 qemu_system_reset(VMRESET_SILENT
);
4403 if (load_vmstate(loadvm
) < 0) {
4409 Error
*local_err
= NULL
;
4410 qemu_start_incoming_migration(incoming
, &local_err
);
4412 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4413 error_free(local_err
);
4416 } else if (autostart
) {