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 */ }
519 static QemuOptsList qemu_msg_opts
= {
521 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
525 .type
= QEMU_OPT_BOOL
,
527 { /* end of list */ }
532 * Get machine options
534 * Returns: machine options (never null).
536 QemuOpts
*qemu_get_machine_opts(void)
541 list
= qemu_find_opts("machine");
543 opts
= qemu_opts_find(list
, NULL
);
545 opts
= qemu_opts_create_nofail(list
);
550 const char *qemu_get_vm_name(void)
555 static void res_free(void)
557 if (boot_splash_filedata
!= NULL
) {
558 g_free(boot_splash_filedata
);
559 boot_splash_filedata
= NULL
;
563 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
565 const char *driver
= qemu_opt_get(opts
, "driver");
570 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
571 if (strcmp(default_list
[i
].driver
, driver
) != 0)
573 *(default_list
[i
].flag
) = 0;
578 /***********************************************************/
581 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
586 } RunStateTransition
;
588 static const RunStateTransition runstate_transitions_def
[] = {
590 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
595 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
596 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
598 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
599 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
601 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
602 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
605 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
607 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
608 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
609 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
611 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
612 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
614 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
616 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
617 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
618 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
619 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
620 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
621 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
622 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
623 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
624 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
625 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
627 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
629 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
630 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
632 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
633 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
634 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
635 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
637 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
638 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
640 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PAUSED
},
641 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
642 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_DEBUG
},
644 { RUN_STATE_MAX
, RUN_STATE_MAX
},
647 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
649 bool runstate_check(RunState state
)
651 return current_run_state
== state
;
654 static void runstate_init(void)
656 const RunStateTransition
*p
;
658 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
660 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
661 runstate_valid_transitions
[p
->from
][p
->to
] = true;
665 /* This function will abort() on invalid state transitions */
666 void runstate_set(RunState new_state
)
668 assert(new_state
< RUN_STATE_MAX
);
670 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
671 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
672 RunState_lookup
[current_run_state
],
673 RunState_lookup
[new_state
]);
676 trace_runstate_set(new_state
);
677 current_run_state
= new_state
;
680 int runstate_is_running(void)
682 return runstate_check(RUN_STATE_RUNNING
);
685 bool runstate_needs_reset(void)
687 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
688 runstate_check(RUN_STATE_SHUTDOWN
) ||
689 runstate_check(RUN_STATE_GUEST_PANICKED
);
692 StatusInfo
*qmp_query_status(Error
**errp
)
694 StatusInfo
*info
= g_malloc0(sizeof(*info
));
696 info
->running
= runstate_is_running();
697 info
->singlestep
= singlestep
;
698 info
->status
= current_run_state
;
703 /***********************************************************/
704 /* real time host monotonic timer */
706 /***********************************************************/
707 /* host time/date access */
708 void qemu_get_timedate(struct tm
*tm
, int offset
)
714 if (rtc_date_offset
== -1) {
718 localtime_r(&ti
, tm
);
720 ti
-= rtc_date_offset
;
725 int qemu_timedate_diff(struct tm
*tm
)
729 if (rtc_date_offset
== -1)
731 seconds
= mktimegm(tm
);
734 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
735 seconds
= mktime(&tmp
);
738 seconds
= mktimegm(tm
) + rtc_date_offset
;
740 return seconds
- time(NULL
);
743 void rtc_change_mon_event(struct tm
*tm
)
747 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
748 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
749 qobject_decref(data
);
752 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
754 time_t rtc_start_date
;
757 if (!strcmp(startdate
, "now") && legacy
) {
758 rtc_date_offset
= -1;
760 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
768 } else if (sscanf(startdate
, "%d-%d-%d",
780 rtc_start_date
= mktimegm(&tm
);
781 if (rtc_start_date
== -1) {
783 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
784 "'2006-06-17T16:01:21' or '2006-06-17'\n");
787 rtc_date_offset
= time(NULL
) - rtc_start_date
;
791 static void configure_rtc(QemuOpts
*opts
)
795 value
= qemu_opt_get(opts
, "base");
797 if (!strcmp(value
, "utc")) {
799 } else if (!strcmp(value
, "localtime")) {
802 configure_rtc_date_offset(value
, 0);
805 value
= qemu_opt_get(opts
, "clock");
807 if (!strcmp(value
, "host")) {
808 rtc_clock
= host_clock
;
809 } else if (!strcmp(value
, "rt")) {
810 rtc_clock
= rt_clock
;
811 } else if (!strcmp(value
, "vm")) {
812 rtc_clock
= vm_clock
;
814 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
818 value
= qemu_opt_get(opts
, "driftfix");
820 if (!strcmp(value
, "slew")) {
821 static GlobalProperty slew_lost_ticks
[] = {
823 .driver
= "mc146818rtc",
824 .property
= "lost_tick_policy",
827 { /* end of list */ }
830 qdev_prop_register_global_list(slew_lost_ticks
);
831 } else if (!strcmp(value
, "none")) {
832 /* discard is default */
834 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
840 /***********************************************************/
841 /* Bluetooth support */
844 static struct HCIInfo
*hci_table
[MAX_NICS
];
846 static struct bt_vlan_s
{
847 struct bt_scatternet_s net
;
849 struct bt_vlan_s
*next
;
852 /* find or alloc a new bluetooth "VLAN" */
853 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
855 struct bt_vlan_s
**pvlan
, *vlan
;
856 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
860 vlan
= g_malloc0(sizeof(struct bt_vlan_s
));
862 pvlan
= &first_bt_vlan
;
863 while (*pvlan
!= NULL
)
864 pvlan
= &(*pvlan
)->next
;
869 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
873 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
878 static struct HCIInfo null_hci
= {
879 .cmd_send
= null_hci_send
,
880 .sco_send
= null_hci_send
,
881 .acl_send
= null_hci_send
,
882 .bdaddr_set
= null_hci_addr_set
,
885 struct HCIInfo
*qemu_next_hci(void)
887 if (cur_hci
== nb_hcis
)
890 return hci_table
[cur_hci
++];
893 static struct HCIInfo
*hci_init(const char *str
)
896 struct bt_scatternet_s
*vlan
= 0;
898 if (!strcmp(str
, "null"))
901 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
903 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
904 else if (!strncmp(str
, "hci", 3)) {
907 if (!strncmp(str
+ 3, ",vlan=", 6)) {
908 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
913 vlan
= qemu_find_bt_vlan(0);
915 return bt_new_hci(vlan
);
918 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
923 static int bt_hci_parse(const char *str
)
928 if (nb_hcis
>= MAX_NICS
) {
929 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
942 bdaddr
.b
[5] = 0x56 + nb_hcis
;
943 hci
->bdaddr_set(hci
, bdaddr
.b
);
945 hci_table
[nb_hcis
++] = hci
;
950 static void bt_vhci_add(int vlan_id
)
952 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
955 fprintf(stderr
, "qemu: warning: adding a VHCI to "
956 "an empty scatternet %i\n", vlan_id
);
958 bt_vhci_init(bt_new_hci(vlan
));
961 static struct bt_device_s
*bt_device_add(const char *opt
)
963 struct bt_scatternet_s
*vlan
;
965 char *endp
= strstr(opt
, ",vlan=");
966 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
969 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
972 vlan_id
= strtol(endp
+ 6, &endp
, 0);
974 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
979 vlan
= qemu_find_bt_vlan(vlan_id
);
982 fprintf(stderr
, "qemu: warning: adding a slave device to "
983 "an empty scatternet %i\n", vlan_id
);
985 if (!strcmp(devname
, "keyboard"))
986 return bt_keyboard_init(vlan
);
988 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
992 static int bt_parse(const char *opt
)
994 const char *endp
, *p
;
997 if (strstart(opt
, "hci", &endp
)) {
998 if (!*endp
|| *endp
== ',') {
1000 if (!strstart(endp
, ",vlan=", 0))
1003 return bt_hci_parse(opt
);
1005 } else if (strstart(opt
, "vhci", &endp
)) {
1006 if (!*endp
|| *endp
== ',') {
1008 if (strstart(endp
, ",vlan=", &p
)) {
1009 vlan
= strtol(p
, (char **) &endp
, 0);
1011 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
1015 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
1024 } else if (strstart(opt
, "device:", &endp
))
1025 return !bt_device_add(endp
);
1027 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
1031 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
1033 /* FIXME: change this to true for 1.3 */
1034 if (qemu_opt_get_bool(opts
, "enable", false)) {
1035 #ifdef CONFIG_SECCOMP
1036 if (seccomp_start() < 0) {
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1038 "failed to install seccomp syscall filter in the kernel");
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1043 "sandboxing request but seccomp is not compiled into this build");
1051 bool usb_enabled(bool default_usb
)
1053 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
1057 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
1059 int fd
, dupfd
, flags
;
1061 const char *fd_opaque
= NULL
;
1063 fd
= qemu_opt_get_number(opts
, "fd", -1);
1064 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1065 fd_opaque
= qemu_opt_get(opts
, "opaque");
1068 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1069 "fd option is required and must be non-negative");
1073 if (fd
<= STDERR_FILENO
) {
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1075 "fd cannot be a standard I/O stream");
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1083 flags
= fcntl(fd
, F_GETFD
);
1084 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1085 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1086 "fd is not valid or already in use");
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1092 "set option is required and must be non-negative");
1096 #ifdef F_DUPFD_CLOEXEC
1097 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1101 qemu_set_cloexec(dupfd
);
1105 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1106 "Error duplicating fd: %s", strerror(errno
));
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1117 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1121 fd
= qemu_opt_get_number(opts
, "fd", -1);
1128 /***********************************************************/
1129 /* QEMU Block devices */
1131 #define HD_OPTS "media=disk"
1132 #define CDROM_OPTS "media=cdrom"
1134 #define PFLASH_OPTS ""
1138 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1140 BlockInterfaceType
*block_default_type
= opaque
;
1142 return drive_init(opts
, *block_default_type
) == NULL
;
1145 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1147 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1148 qemu_opt_set(opts
, "snapshot", "on");
1153 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1154 int index
, const char *optstr
)
1158 if (!enable
|| drive_get_by_index(type
, index
)) {
1162 opts
= drive_add(type
, index
, NULL
, optstr
);
1164 drive_enable_snapshot(opts
, NULL
);
1166 if (!drive_init(opts
, type
)) {
1171 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1173 boot_set_handler
= func
;
1174 boot_set_opaque
= opaque
;
1177 int qemu_boot_set(const char *boot_order
)
1179 if (!boot_set_handler
) {
1182 return boot_set_handler(boot_set_opaque
, boot_order
);
1185 static void validate_bootdevices(const char *devices
)
1187 /* We just do some generic consistency checks */
1191 for (p
= devices
; *p
!= '\0'; p
++) {
1192 /* Allowed boot devices are:
1193 * a-b: floppy disk drives
1194 * c-f: IDE disk drives
1195 * g-m: machine implementation dependent drives
1196 * n-p: network devices
1197 * It's up to each machine implementation to check if the given boot
1198 * devices match the actual hardware implementation and firmware
1201 if (*p
< 'a' || *p
> 'p') {
1202 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1205 if (bitmap
& (1 << (*p
- 'a'))) {
1206 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1209 bitmap
|= 1 << (*p
- 'a');
1213 static void restore_boot_order(void *opaque
)
1215 char *normal_boot_order
= opaque
;
1216 static int first
= 1;
1218 /* Restore boot order and remove ourselves after the first boot */
1224 qemu_boot_set(normal_boot_order
);
1226 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1227 g_free(normal_boot_order
);
1230 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1233 FWBootEntry
*node
, *i
;
1235 if (bootindex
< 0) {
1239 assert(dev
!= NULL
|| suffix
!= NULL
);
1241 node
= g_malloc0(sizeof(FWBootEntry
));
1242 node
->bootindex
= bootindex
;
1243 node
->suffix
= g_strdup(suffix
);
1246 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1247 if (i
->bootindex
== bootindex
) {
1248 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1250 } else if (i
->bootindex
< bootindex
) {
1253 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1256 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1259 DeviceState
*get_boot_device(uint32_t position
)
1261 uint32_t counter
= 0;
1262 FWBootEntry
*i
= NULL
;
1263 DeviceState
*res
= NULL
;
1265 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1266 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1267 if (counter
== position
) {
1278 * This function returns null terminated string that consist of new line
1279 * separated device paths.
1281 * memory pointed by "size" is assigned total length of the array in bytes
1284 char *get_boot_devices_list(size_t *size
)
1290 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1291 char *devpath
= NULL
, *bootpath
;
1295 devpath
= qdev_get_fw_dev_path(i
->dev
);
1299 if (i
->suffix
&& devpath
) {
1300 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1302 bootpath
= g_malloc(bootpathlen
);
1303 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1305 } else if (devpath
) {
1309 bootpath
= g_strdup(i
->suffix
);
1313 list
[total
-1] = '\n';
1315 len
= strlen(bootpath
) + 1;
1316 list
= g_realloc(list
, total
+ len
);
1317 memcpy(&list
[total
], bootpath
, len
);
1324 if (boot_strict
&& *size
> 0) {
1325 list
[total
-1] = '\n';
1326 list
= g_realloc(list
, total
+ 5);
1327 memcpy(&list
[total
], "HALT", 5);
1333 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1336 unsigned long long value
, endvalue
;
1338 /* Empty CPU range strings will be considered valid, they will simply
1339 * not set any bit in the CPU bitmap.
1345 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1348 if (*endptr
== '-') {
1349 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1352 } else if (*endptr
== '\0') {
1358 if (endvalue
>= MAX_CPUMASK_BITS
) {
1359 endvalue
= MAX_CPUMASK_BITS
- 1;
1361 "qemu: NUMA: A max of %d VCPUs are supported\n",
1365 if (endvalue
< value
) {
1369 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1373 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1377 static void numa_add(const char *optarg
)
1381 unsigned long long nodenr
;
1383 optarg
= get_opt_name(option
, 128, optarg
, ',');
1384 if (*optarg
== ',') {
1387 if (!strcmp(option
, "node")) {
1389 if (nb_numa_nodes
>= MAX_NODES
) {
1390 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1394 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1395 nodenr
= nb_numa_nodes
;
1397 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1398 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1403 if (nodenr
>= MAX_NODES
) {
1404 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1408 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1409 node_mem
[nodenr
] = 0;
1412 sval
= strtosz(option
, &endptr
);
1413 if (sval
< 0 || *endptr
) {
1414 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1417 node_mem
[nodenr
] = sval
;
1419 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1420 numa_node_parse_cpus(nodenr
, option
);
1424 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1429 static QemuOptsList qemu_smp_opts
= {
1431 .implied_opt_name
= "cpus",
1432 .merge_lists
= true,
1433 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1437 .type
= QEMU_OPT_NUMBER
,
1440 .type
= QEMU_OPT_NUMBER
,
1443 .type
= QEMU_OPT_NUMBER
,
1446 .type
= QEMU_OPT_NUMBER
,
1449 .type
= QEMU_OPT_NUMBER
,
1451 { /*End of list */ }
1455 static void smp_parse(QemuOpts
*opts
)
1459 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1460 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1461 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1462 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1464 /* compute missing values, prefer sockets over cores over threads */
1465 if (cpus
== 0 || sockets
== 0) {
1466 sockets
= sockets
> 0 ? sockets
: 1;
1467 cores
= cores
> 0 ? cores
: 1;
1468 threads
= threads
> 0 ? threads
: 1;
1470 cpus
= cores
* threads
* sockets
;
1474 threads
= threads
> 0 ? threads
: 1;
1475 cores
= cpus
/ (sockets
* threads
);
1477 threads
= cpus
/ (cores
* sockets
);
1481 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1484 smp_cores
= cores
> 0 ? cores
: 1;
1485 smp_threads
= threads
> 0 ? threads
: 1;
1489 if (max_cpus
== 0) {
1490 max_cpus
= smp_cpus
;
1493 if (max_cpus
> 255) {
1494 fprintf(stderr
, "Unsupported number of maxcpus\n");
1497 if (max_cpus
< smp_cpus
) {
1498 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1504 static void configure_realtime(QemuOpts
*opts
)
1508 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1511 if (os_mlock() < 0) {
1512 fprintf(stderr
, "qemu: locking memory failed\n");
1519 static void configure_msg(QemuOpts
*opts
)
1521 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1524 /***********************************************************/
1527 static int usb_device_add(const char *devname
)
1530 USBDevice
*dev
= NULL
;
1532 if (!usb_enabled(false)) {
1536 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1537 dev
= usbdevice_create(devname
);
1541 /* the other ones */
1542 #ifndef CONFIG_LINUX
1543 /* only the linux version is qdev-ified, usb-bsd still needs this */
1544 if (strstart(devname
, "host:", &p
)) {
1545 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1548 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
1549 dev
= usb_bt_init(usb_bus_find(-1),
1550 devname
[2] ? hci_init(p
)
1551 : bt_new_hci(qemu_find_bt_vlan(0)));
1562 static int usb_device_del(const char *devname
)
1567 if (strstart(devname
, "host:", &p
)) {
1571 if (!usb_enabled(false)) {
1575 p
= strchr(devname
, '.');
1578 bus_num
= strtoul(devname
, NULL
, 0);
1579 addr
= strtoul(p
+ 1, NULL
, 0);
1581 return usb_device_delete_addr(bus_num
, addr
);
1584 static int usb_parse(const char *cmdline
)
1587 r
= usb_device_add(cmdline
);
1589 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1594 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1596 const char *devname
= qdict_get_str(qdict
, "devname");
1597 if (usb_device_add(devname
) < 0) {
1598 error_report("could not add USB device '%s'", devname
);
1602 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1604 const char *devname
= qdict_get_str(qdict
, "devname");
1605 if (usb_device_del(devname
) < 0) {
1606 error_report("could not delete USB device '%s'", devname
);
1610 /***********************************************************/
1611 /* PCMCIA/Cardbus */
1613 static struct pcmcia_socket_entry_s
{
1614 PCMCIASocket
*socket
;
1615 struct pcmcia_socket_entry_s
*next
;
1616 } *pcmcia_sockets
= 0;
1618 void pcmcia_socket_register(PCMCIASocket
*socket
)
1620 struct pcmcia_socket_entry_s
*entry
;
1622 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1623 entry
->socket
= socket
;
1624 entry
->next
= pcmcia_sockets
;
1625 pcmcia_sockets
= entry
;
1628 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1630 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1632 ptr
= &pcmcia_sockets
;
1633 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1634 if (entry
->socket
== socket
) {
1640 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1642 struct pcmcia_socket_entry_s
*iter
;
1644 if (!pcmcia_sockets
)
1645 monitor_printf(mon
, "No PCMCIA sockets\n");
1647 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1648 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1649 iter
->socket
->attached
? iter
->socket
->card_string
:
1653 /***********************************************************/
1654 /* machine registration */
1656 static QEMUMachine
*first_machine
= NULL
;
1657 QEMUMachine
*current_machine
= NULL
;
1659 int qemu_register_machine(QEMUMachine
*m
)
1662 pm
= &first_machine
;
1670 static QEMUMachine
*find_machine(const char *name
)
1674 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1675 if (!strcmp(m
->name
, name
))
1677 if (m
->alias
&& !strcmp(m
->alias
, name
))
1683 QEMUMachine
*find_default_machine(void)
1687 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1688 if (m
->is_default
) {
1695 MachineInfoList
*qmp_query_machines(Error
**errp
)
1697 MachineInfoList
*mach_list
= NULL
;
1700 for (m
= first_machine
; m
; m
= m
->next
) {
1701 MachineInfoList
*entry
;
1704 info
= g_malloc0(sizeof(*info
));
1705 if (m
->is_default
) {
1706 info
->has_is_default
= true;
1707 info
->is_default
= true;
1711 info
->has_alias
= true;
1712 info
->alias
= g_strdup(m
->alias
);
1715 info
->name
= g_strdup(m
->name
);
1716 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1718 entry
= g_malloc0(sizeof(*entry
));
1719 entry
->value
= info
;
1720 entry
->next
= mach_list
;
1727 /***********************************************************/
1728 /* main execution loop */
1730 struct vm_change_state_entry
{
1731 VMChangeStateHandler
*cb
;
1733 QLIST_ENTRY (vm_change_state_entry
) entries
;
1736 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1738 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1741 VMChangeStateEntry
*e
;
1743 e
= g_malloc0(sizeof (*e
));
1747 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1751 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1753 QLIST_REMOVE (e
, entries
);
1757 void vm_state_notify(int running
, RunState state
)
1759 VMChangeStateEntry
*e
;
1761 trace_vm_state_notify(running
, state
);
1763 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1764 e
->cb(e
->opaque
, running
, state
);
1770 if (!runstate_is_running()) {
1772 runstate_set(RUN_STATE_RUNNING
);
1773 vm_state_notify(1, RUN_STATE_RUNNING
);
1775 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1779 /* reset/shutdown handler */
1781 typedef struct QEMUResetEntry
{
1782 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1783 QEMUResetHandler
*func
;
1787 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1788 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1789 static int reset_requested
;
1790 static int shutdown_requested
, shutdown_signal
= -1;
1791 static pid_t shutdown_pid
;
1792 static int powerdown_requested
;
1793 static int debug_requested
;
1794 static int suspend_requested
;
1795 static int wakeup_requested
;
1796 static NotifierList powerdown_notifiers
=
1797 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1798 static NotifierList suspend_notifiers
=
1799 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1800 static NotifierList wakeup_notifiers
=
1801 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1802 static uint32_t wakeup_reason_mask
= ~0;
1803 static RunState vmstop_requested
= RUN_STATE_MAX
;
1805 int qemu_shutdown_requested_get(void)
1807 return shutdown_requested
;
1810 int qemu_reset_requested_get(void)
1812 return reset_requested
;
1815 static int qemu_shutdown_requested(void)
1817 int r
= shutdown_requested
;
1818 shutdown_requested
= 0;
1822 static void qemu_kill_report(void)
1824 if (!qtest_enabled() && shutdown_signal
!= -1) {
1825 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1826 if (shutdown_pid
== 0) {
1827 /* This happens for eg ^C at the terminal, so it's worth
1828 * avoiding printing an odd message in that case.
1830 fputc('\n', stderr
);
1832 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1834 shutdown_signal
= -1;
1838 static int qemu_reset_requested(void)
1840 int r
= reset_requested
;
1841 reset_requested
= 0;
1845 static int qemu_suspend_requested(void)
1847 int r
= suspend_requested
;
1848 suspend_requested
= 0;
1852 static int qemu_wakeup_requested(void)
1854 int r
= wakeup_requested
;
1855 wakeup_requested
= 0;
1859 static int qemu_powerdown_requested(void)
1861 int r
= powerdown_requested
;
1862 powerdown_requested
= 0;
1866 static int qemu_debug_requested(void)
1868 int r
= debug_requested
;
1869 debug_requested
= 0;
1873 /* We use RUN_STATE_MAX but any invalid value will do */
1874 static bool qemu_vmstop_requested(RunState
*r
)
1876 if (vmstop_requested
< RUN_STATE_MAX
) {
1877 *r
= vmstop_requested
;
1878 vmstop_requested
= RUN_STATE_MAX
;
1885 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1887 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1890 re
->opaque
= opaque
;
1891 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1894 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1898 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1899 if (re
->func
== func
&& re
->opaque
== opaque
) {
1900 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1907 void qemu_devices_reset(void)
1909 QEMUResetEntry
*re
, *nre
;
1911 /* reset all devices */
1912 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1913 re
->func(re
->opaque
);
1917 void qemu_system_reset(bool report
)
1919 if (current_machine
&& current_machine
->reset
) {
1920 current_machine
->reset();
1922 qemu_devices_reset();
1925 monitor_protocol_event(QEVENT_RESET
, NULL
);
1927 cpu_synchronize_all_post_reset();
1930 void qemu_system_reset_request(void)
1933 shutdown_requested
= 1;
1935 reset_requested
= 1;
1938 qemu_notify_event();
1941 static void qemu_system_suspend(void)
1944 notifier_list_notify(&suspend_notifiers
, NULL
);
1945 runstate_set(RUN_STATE_SUSPENDED
);
1946 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1949 void qemu_system_suspend_request(void)
1951 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1954 suspend_requested
= 1;
1956 qemu_notify_event();
1959 void qemu_register_suspend_notifier(Notifier
*notifier
)
1961 notifier_list_add(&suspend_notifiers
, notifier
);
1964 void qemu_system_wakeup_request(WakeupReason reason
)
1966 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1969 if (!(wakeup_reason_mask
& (1 << reason
))) {
1972 runstate_set(RUN_STATE_RUNNING
);
1973 notifier_list_notify(&wakeup_notifiers
, &reason
);
1974 wakeup_requested
= 1;
1975 qemu_notify_event();
1978 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1981 wakeup_reason_mask
|= (1 << reason
);
1983 wakeup_reason_mask
&= ~(1 << reason
);
1987 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1989 notifier_list_add(&wakeup_notifiers
, notifier
);
1992 void qemu_system_killed(int signal
, pid_t pid
)
1994 shutdown_signal
= signal
;
1997 qemu_system_shutdown_request();
2000 void qemu_system_shutdown_request(void)
2002 shutdown_requested
= 1;
2003 qemu_notify_event();
2006 static void qemu_system_powerdown(void)
2008 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
2009 notifier_list_notify(&powerdown_notifiers
, NULL
);
2012 void qemu_system_powerdown_request(void)
2014 powerdown_requested
= 1;
2015 qemu_notify_event();
2018 void qemu_register_powerdown_notifier(Notifier
*notifier
)
2020 notifier_list_add(&powerdown_notifiers
, notifier
);
2023 void qemu_system_debug_request(void)
2025 debug_requested
= 1;
2026 qemu_notify_event();
2029 void qemu_system_vmstop_request(RunState state
)
2031 vmstop_requested
= state
;
2032 qemu_notify_event();
2035 static bool main_loop_should_exit(void)
2038 if (qemu_debug_requested()) {
2039 vm_stop(RUN_STATE_DEBUG
);
2041 if (qemu_suspend_requested()) {
2042 qemu_system_suspend();
2044 if (qemu_shutdown_requested()) {
2046 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
2048 vm_stop(RUN_STATE_SHUTDOWN
);
2053 if (qemu_reset_requested()) {
2055 cpu_synchronize_all_states();
2056 qemu_system_reset(VMRESET_REPORT
);
2058 if (runstate_needs_reset()) {
2059 runstate_set(RUN_STATE_PAUSED
);
2062 if (qemu_wakeup_requested()) {
2064 cpu_synchronize_all_states();
2065 qemu_system_reset(VMRESET_SILENT
);
2067 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
2069 if (qemu_powerdown_requested()) {
2070 qemu_system_powerdown();
2072 if (qemu_vmstop_requested(&r
)) {
2078 static void main_loop(void)
2082 #ifdef CONFIG_PROFILER
2086 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2087 #ifdef CONFIG_PROFILER
2088 ti
= profile_getclock();
2090 last_io
= main_loop_wait(nonblocking
);
2091 #ifdef CONFIG_PROFILER
2092 dev_time
+= profile_getclock() - ti
;
2094 } while (!main_loop_should_exit());
2097 static void version(void)
2099 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2102 static void help(int exitcode
)
2105 printf("usage: %s [options] [disk_image]\n\n"
2106 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2107 error_get_progname());
2109 #define QEMU_OPTIONS_GENERATE_HELP
2110 #include "qemu-options-wrapper.h"
2112 printf("\nDuring emulation, the following keys are useful:\n"
2113 "ctrl-alt-f toggle full screen\n"
2114 "ctrl-alt-n switch to virtual console 'n'\n"
2115 "ctrl-alt toggle mouse and keyboard grab\n"
2117 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2122 #define HAS_ARG 0x0001
2124 typedef struct QEMUOption
{
2131 static const QEMUOption qemu_options
[] = {
2132 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2133 #define QEMU_OPTIONS_GENERATE_OPTIONS
2134 #include "qemu-options-wrapper.h"
2138 static bool vga_available(void)
2140 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2143 static bool cirrus_vga_available(void)
2145 return object_class_by_name("cirrus-vga")
2146 || object_class_by_name("isa-cirrus-vga");
2149 static bool vmware_vga_available(void)
2151 return object_class_by_name("vmware-svga");
2154 static bool qxl_vga_available(void)
2156 return object_class_by_name("qxl-vga");
2159 static void select_vgahw (const char *p
)
2163 vga_interface_type
= VGA_NONE
;
2164 if (strstart(p
, "std", &opts
)) {
2165 if (vga_available()) {
2166 vga_interface_type
= VGA_STD
;
2168 fprintf(stderr
, "Error: standard VGA not available\n");
2171 } else if (strstart(p
, "cirrus", &opts
)) {
2172 if (cirrus_vga_available()) {
2173 vga_interface_type
= VGA_CIRRUS
;
2175 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2178 } else if (strstart(p
, "vmware", &opts
)) {
2179 if (vmware_vga_available()) {
2180 vga_interface_type
= VGA_VMWARE
;
2182 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2185 } else if (strstart(p
, "xenfb", &opts
)) {
2186 vga_interface_type
= VGA_XENFB
;
2187 } else if (strstart(p
, "qxl", &opts
)) {
2188 if (qxl_vga_available()) {
2189 vga_interface_type
= VGA_QXL
;
2191 fprintf(stderr
, "Error: QXL VGA not available\n");
2194 } else if (!strstart(p
, "none", &opts
)) {
2196 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2200 const char *nextopt
;
2202 if (strstart(opts
, ",retrace=", &nextopt
)) {
2204 if (strstart(opts
, "dumb", &nextopt
))
2205 vga_retrace_method
= VGA_RETRACE_DUMB
;
2206 else if (strstart(opts
, "precise", &nextopt
))
2207 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2208 else goto invalid_vga
;
2209 } else goto invalid_vga
;
2214 static DisplayType
select_display(const char *p
)
2217 DisplayType display
= DT_DEFAULT
;
2219 if (strstart(p
, "sdl", &opts
)) {
2223 const char *nextopt
;
2225 if (strstart(opts
, ",frame=", &nextopt
)) {
2227 if (strstart(opts
, "on", &nextopt
)) {
2229 } else if (strstart(opts
, "off", &nextopt
)) {
2232 goto invalid_sdl_args
;
2234 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2236 if (strstart(opts
, "on", &nextopt
)) {
2238 } else if (strstart(opts
, "off", &nextopt
)) {
2241 goto invalid_sdl_args
;
2243 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2245 if (strstart(opts
, "on", &nextopt
)) {
2247 } else if (strstart(opts
, "off", &nextopt
)) {
2250 goto invalid_sdl_args
;
2252 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2254 if (strstart(opts
, "on", &nextopt
)) {
2256 } else if (strstart(opts
, "off", &nextopt
)) {
2259 goto invalid_sdl_args
;
2263 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2269 fprintf(stderr
, "SDL support is disabled\n");
2272 } else if (strstart(p
, "vnc", &opts
)) {
2277 const char *nextopt
;
2279 if (strstart(opts
, "=", &nextopt
)) {
2280 vnc_display
= nextopt
;
2284 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2288 fprintf(stderr
, "VNC support is disabled\n");
2291 } else if (strstart(p
, "curses", &opts
)) {
2292 #ifdef CONFIG_CURSES
2293 display
= DT_CURSES
;
2295 fprintf(stderr
, "Curses support is disabled\n");
2298 } else if (strstart(p
, "gtk", &opts
)) {
2302 fprintf(stderr
, "GTK support is disabled\n");
2305 } else if (strstart(p
, "none", &opts
)) {
2308 fprintf(stderr
, "Unknown display type: %s\n", p
);
2315 static int balloon_parse(const char *arg
)
2319 if (strcmp(arg
, "none") == 0) {
2323 if (!strncmp(arg
, "virtio", 6)) {
2324 if (arg
[6] == ',') {
2325 /* have params -> parse them */
2326 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2330 /* create empty opts */
2331 opts
= qemu_opts_create_nofail(qemu_find_opts("device"));
2333 qemu_opt_set(opts
, "driver", "virtio-balloon");
2340 char *qemu_find_file(int type
, const char *name
)
2346 /* Try the name as a straight path first */
2347 if (access(name
, R_OK
) == 0) {
2348 trace_load_file(name
, name
);
2349 return g_strdup(name
);
2353 case QEMU_FILE_TYPE_BIOS
:
2356 case QEMU_FILE_TYPE_KEYMAP
:
2357 subdir
= "keymaps/";
2363 for (i
= 0; i
< data_dir_idx
; i
++) {
2364 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2365 if (access(buf
, R_OK
) == 0) {
2366 trace_load_file(name
, buf
);
2374 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2376 return qdev_device_help(opts
);
2379 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2383 dev
= qdev_device_add(opts
);
2386 object_unref(OBJECT(dev
));
2390 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2392 Error
*local_err
= NULL
;
2394 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2395 if (error_is_set(&local_err
)) {
2396 fprintf(stderr
, "%s\n", error_get_pretty(local_err
));
2397 error_free(local_err
);
2403 #ifdef CONFIG_VIRTFS
2404 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2407 ret
= qemu_fsdev_add(opts
);
2413 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2415 CharDriverState
*chr
;
2416 const char *chardev
;
2420 mode
= qemu_opt_get(opts
, "mode");
2424 if (strcmp(mode
, "readline") == 0) {
2425 flags
= MONITOR_USE_READLINE
;
2426 } else if (strcmp(mode
, "control") == 0) {
2427 flags
= MONITOR_USE_CONTROL
;
2429 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2433 if (qemu_opt_get_bool(opts
, "pretty", 0))
2434 flags
|= MONITOR_USE_PRETTY
;
2436 if (qemu_opt_get_bool(opts
, "default", 0))
2437 flags
|= MONITOR_IS_DEFAULT
;
2439 chardev
= qemu_opt_get(opts
, "chardev");
2440 chr
= qemu_chr_find(chardev
);
2442 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2446 qemu_chr_fe_claim_no_fail(chr
);
2447 monitor_init(chr
, flags
);
2451 static void monitor_parse(const char *optarg
, const char *mode
)
2453 static int monitor_device_index
= 0;
2459 if (strstart(optarg
, "chardev:", &p
)) {
2460 snprintf(label
, sizeof(label
), "%s", p
);
2462 snprintf(label
, sizeof(label
), "compat_monitor%d",
2463 monitor_device_index
);
2464 if (monitor_device_index
== 0) {
2467 opts
= qemu_chr_parse_compat(label
, optarg
);
2469 fprintf(stderr
, "parse error: %s\n", optarg
);
2474 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2476 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2479 qemu_opt_set(opts
, "mode", mode
);
2480 qemu_opt_set(opts
, "chardev", label
);
2482 qemu_opt_set(opts
, "default", "on");
2483 monitor_device_index
++;
2486 struct device_config
{
2488 DEV_USB
, /* -usbdevice */
2490 DEV_SERIAL
, /* -serial */
2491 DEV_PARALLEL
, /* -parallel */
2492 DEV_VIRTCON
, /* -virtioconsole */
2493 DEV_DEBUGCON
, /* -debugcon */
2494 DEV_GDB
, /* -gdb, -s */
2495 DEV_SCLP
, /* s390 sclp */
2497 const char *cmdline
;
2499 QTAILQ_ENTRY(device_config
) next
;
2502 static QTAILQ_HEAD(, device_config
) device_configs
=
2503 QTAILQ_HEAD_INITIALIZER(device_configs
);
2505 static void add_device_config(int type
, const char *cmdline
)
2507 struct device_config
*conf
;
2509 conf
= g_malloc0(sizeof(*conf
));
2511 conf
->cmdline
= cmdline
;
2512 loc_save(&conf
->loc
);
2513 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2516 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2518 struct device_config
*conf
;
2521 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2522 if (conf
->type
!= type
)
2524 loc_push_restore(&conf
->loc
);
2525 rc
= func(conf
->cmdline
);
2526 loc_pop(&conf
->loc
);
2533 static int serial_parse(const char *devname
)
2535 static int index
= 0;
2538 if (strcmp(devname
, "none") == 0)
2540 if (index
== MAX_SERIAL_PORTS
) {
2541 fprintf(stderr
, "qemu: too many serial ports\n");
2544 snprintf(label
, sizeof(label
), "serial%d", index
);
2545 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2546 if (!serial_hds
[index
]) {
2547 fprintf(stderr
, "qemu: could not connect serial device"
2548 " to character backend '%s'\n", devname
);
2555 static int parallel_parse(const char *devname
)
2557 static int index
= 0;
2560 if (strcmp(devname
, "none") == 0)
2562 if (index
== MAX_PARALLEL_PORTS
) {
2563 fprintf(stderr
, "qemu: too many parallel ports\n");
2566 snprintf(label
, sizeof(label
), "parallel%d", index
);
2567 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2568 if (!parallel_hds
[index
]) {
2569 fprintf(stderr
, "qemu: could not connect parallel device"
2570 " to character backend '%s'\n", devname
);
2577 static int virtcon_parse(const char *devname
)
2579 QemuOptsList
*device
= qemu_find_opts("device");
2580 static int index
= 0;
2582 QemuOpts
*bus_opts
, *dev_opts
;
2584 if (strcmp(devname
, "none") == 0)
2586 if (index
== MAX_VIRTIO_CONSOLES
) {
2587 fprintf(stderr
, "qemu: too many virtio consoles\n");
2591 bus_opts
= qemu_opts_create_nofail(device
);
2592 if (arch_type
== QEMU_ARCH_S390X
) {
2593 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2595 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2598 dev_opts
= qemu_opts_create_nofail(device
);
2599 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2601 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2602 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2603 if (!virtcon_hds
[index
]) {
2604 fprintf(stderr
, "qemu: could not connect virtio console"
2605 " to character backend '%s'\n", devname
);
2608 qemu_opt_set(dev_opts
, "chardev", label
);
2614 static int sclp_parse(const char *devname
)
2616 QemuOptsList
*device
= qemu_find_opts("device");
2617 static int index
= 0;
2621 if (strcmp(devname
, "none") == 0) {
2624 if (index
== MAX_SCLP_CONSOLES
) {
2625 fprintf(stderr
, "qemu: too many sclp consoles\n");
2629 assert(arch_type
== QEMU_ARCH_S390X
);
2631 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2632 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2634 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2635 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2636 if (!sclp_hds
[index
]) {
2637 fprintf(stderr
, "qemu: could not connect sclp console"
2638 " to character backend '%s'\n", devname
);
2641 qemu_opt_set(dev_opts
, "chardev", label
);
2647 static int debugcon_parse(const char *devname
)
2651 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2654 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2656 fprintf(stderr
, "qemu: already have a debugcon device\n");
2659 qemu_opt_set(opts
, "driver", "isa-debugcon");
2660 qemu_opt_set(opts
, "chardev", "debugcon");
2664 static QEMUMachine
*machine_parse(const char *name
)
2666 QEMUMachine
*m
, *machine
= NULL
;
2669 machine
= find_machine(name
);
2674 printf("Supported machines are:\n");
2675 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2677 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2679 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2680 m
->is_default
? " (default)" : "");
2682 exit(!name
|| !is_help_option(name
));
2685 static int tcg_init(void)
2687 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2692 const char *opt_name
;
2694 int (*available
)(void);
2698 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2699 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2700 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2701 { "qtest", "QTest", qtest_available
, qtest_init
, &qtest_allowed
},
2704 static int configure_accelerator(void)
2709 bool accel_initialised
= false;
2710 bool init_failed
= false;
2712 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2714 /* Use the default "accelerator", tcg */
2718 while (!accel_initialised
&& *p
!= '\0') {
2722 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2723 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2724 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2725 if (!accel_list
[i
].available()) {
2726 printf("%s not supported for this target\n",
2727 accel_list
[i
].name
);
2730 *(accel_list
[i
].allowed
) = true;
2731 ret
= accel_list
[i
].init();
2734 fprintf(stderr
, "failed to initialize %s: %s\n",
2737 *(accel_list
[i
].allowed
) = false;
2739 accel_initialised
= true;
2744 if (i
== ARRAY_SIZE(accel_list
)) {
2745 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2749 if (!accel_initialised
) {
2751 fprintf(stderr
, "No accelerator found!\n");
2757 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2760 return !accel_initialised
;
2763 void qemu_add_exit_notifier(Notifier
*notify
)
2765 notifier_list_add(&exit_notifiers
, notify
);
2768 void qemu_remove_exit_notifier(Notifier
*notify
)
2770 notifier_remove(notify
);
2773 static void qemu_run_exit_notifiers(void)
2775 notifier_list_notify(&exit_notifiers
, NULL
);
2778 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2780 notifier_list_add(&machine_init_done_notifiers
, notify
);
2783 static void qemu_run_machine_init_done_notifiers(void)
2785 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2788 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2789 const char **poptarg
, int *poptind
)
2791 const QEMUOption
*popt
;
2792 int optind
= *poptind
;
2793 char *r
= argv
[optind
];
2796 loc_set_cmdline(argv
, optind
, 1);
2798 /* Treat --foo the same as -foo. */
2801 popt
= qemu_options
;
2804 error_report("invalid option");
2807 if (!strcmp(popt
->name
, r
+ 1))
2811 if (popt
->flags
& HAS_ARG
) {
2812 if (optind
>= argc
) {
2813 error_report("requires an argument");
2816 optarg
= argv
[optind
++];
2817 loc_set_cmdline(argv
, optind
- 2, 2);
2828 static gpointer
malloc_and_trace(gsize n_bytes
)
2830 void *ptr
= malloc(n_bytes
);
2831 trace_g_malloc(n_bytes
, ptr
);
2835 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2837 void *ptr
= realloc(mem
, n_bytes
);
2838 trace_g_realloc(mem
, n_bytes
, ptr
);
2842 static void free_and_trace(gpointer mem
)
2848 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2850 Object
*obj
= OBJECT(opaque
);
2851 StringInputVisitor
*siv
;
2852 Error
*local_err
= NULL
;
2854 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2858 siv
= string_input_visitor_new(value
);
2859 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2860 string_input_visitor_cleanup(siv
);
2863 qerror_report_err(local_err
);
2864 error_free(local_err
);
2871 static int object_create(QemuOpts
*opts
, void *opaque
)
2873 const char *type
= qemu_opt_get(opts
, "qom-type");
2874 const char *id
= qemu_opts_id(opts
);
2877 g_assert(type
!= NULL
);
2880 qerror_report(QERR_MISSING_PARAMETER
, "id");
2884 obj
= object_new(type
);
2885 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2889 object_property_add_child(container_get(object_get_root(), "/objects"),
2895 int main(int argc
, char **argv
, char **envp
)
2898 int snapshot
, linux_boot
;
2899 const char *icount_option
= NULL
;
2900 const char *initrd_filename
;
2901 const char *kernel_filename
, *kernel_cmdline
;
2902 const char *boot_order
= NULL
;
2904 int cyls
, heads
, secs
, translation
;
2905 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2906 QemuOptsList
*olist
;
2909 const char *loadvm
= NULL
;
2910 QEMUMachine
*machine
;
2911 const char *cpu_model
;
2912 const char *vga_model
= "none";
2913 const char *pid_file
= NULL
;
2914 const char *incoming
= NULL
;
2916 int show_vnc_port
= 0;
2918 bool defconfig
= true;
2919 bool userconfig
= true;
2920 const char *log_mask
= NULL
;
2921 const char *log_file
= NULL
;
2922 GMemVTable mem_trace
= {
2923 .malloc
= malloc_and_trace
,
2924 .realloc
= realloc_and_trace
,
2925 .free
= free_and_trace
,
2927 const char *trace_events
= NULL
;
2928 const char *trace_file
= NULL
;
2930 atexit(qemu_run_exit_notifiers
);
2931 error_set_progname(argv
[0]);
2933 g_mem_set_vtable(&mem_trace
);
2934 if (!g_thread_supported()) {
2935 #if !GLIB_CHECK_VERSION(2, 31, 0)
2936 g_thread_init(NULL
);
2938 fprintf(stderr
, "glib threading failed to initialize.\n");
2943 module_call_init(MODULE_INIT_QOM
);
2945 qemu_add_opts(&qemu_drive_opts
);
2946 qemu_add_opts(&qemu_chardev_opts
);
2947 qemu_add_opts(&qemu_device_opts
);
2948 qemu_add_opts(&qemu_netdev_opts
);
2949 qemu_add_opts(&qemu_net_opts
);
2950 qemu_add_opts(&qemu_rtc_opts
);
2951 qemu_add_opts(&qemu_global_opts
);
2952 qemu_add_opts(&qemu_mon_opts
);
2953 qemu_add_opts(&qemu_trace_opts
);
2954 qemu_add_opts(&qemu_option_rom_opts
);
2955 qemu_add_opts(&qemu_machine_opts
);
2956 qemu_add_opts(&qemu_smp_opts
);
2957 qemu_add_opts(&qemu_boot_opts
);
2958 qemu_add_opts(&qemu_sandbox_opts
);
2959 qemu_add_opts(&qemu_add_fd_opts
);
2960 qemu_add_opts(&qemu_object_opts
);
2961 qemu_add_opts(&qemu_tpmdev_opts
);
2962 qemu_add_opts(&qemu_realtime_opts
);
2963 qemu_add_opts(&qemu_msg_opts
);
2968 rtc_clock
= host_clock
;
2970 qemu_cache_utils_init(envp
);
2972 QLIST_INIT (&vm_change_state_head
);
2973 os_setup_early_signal_handling();
2975 module_call_init(MODULE_INIT_MACHINE
);
2976 machine
= find_default_machine();
2980 cyls
= heads
= secs
= 0;
2981 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2983 for (i
= 0; i
< MAX_NODES
; i
++) {
2985 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2991 bdrv_init_with_whitelist();
2995 /* first pass of option parsing */
2997 while (optind
< argc
) {
2998 if (argv
[optind
][0] != '-') {
3003 const QEMUOption
*popt
;
3005 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3006 switch (popt
->index
) {
3007 case QEMU_OPTION_nodefconfig
:
3010 case QEMU_OPTION_nouserconfig
:
3019 ret
= qemu_read_default_config_files(userconfig
);
3025 /* second pass of option parsing */
3030 if (argv
[optind
][0] != '-') {
3031 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
3033 const QEMUOption
*popt
;
3035 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
3036 if (!(popt
->arch_mask
& arch_type
)) {
3037 printf("Option %s not supported for this target\n", popt
->name
);
3040 switch(popt
->index
) {
3042 machine
= machine_parse(optarg
);
3044 case QEMU_OPTION_no_kvm_irqchip
: {
3045 olist
= qemu_find_opts("machine");
3046 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3049 case QEMU_OPTION_cpu
:
3050 /* hw initialization will check this */
3053 case QEMU_OPTION_hda
:
3057 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3059 snprintf(buf
, sizeof(buf
),
3060 "%s,cyls=%d,heads=%d,secs=%d%s",
3061 HD_OPTS
, cyls
, heads
, secs
,
3062 translation
== BIOS_ATA_TRANSLATION_LBA
?
3064 translation
== BIOS_ATA_TRANSLATION_NONE
?
3065 ",trans=none" : "");
3066 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3069 case QEMU_OPTION_hdb
:
3070 case QEMU_OPTION_hdc
:
3071 case QEMU_OPTION_hdd
:
3072 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3075 case QEMU_OPTION_drive
:
3076 if (drive_def(optarg
) == NULL
) {
3080 case QEMU_OPTION_set
:
3081 if (qemu_set_option(optarg
) != 0)
3084 case QEMU_OPTION_global
:
3085 if (qemu_global_option(optarg
) != 0)
3088 case QEMU_OPTION_mtdblock
:
3089 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3091 case QEMU_OPTION_sd
:
3092 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3094 case QEMU_OPTION_pflash
:
3095 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3097 case QEMU_OPTION_snapshot
:
3100 case QEMU_OPTION_hdachs
:
3104 cyls
= strtol(p
, (char **)&p
, 0);
3105 if (cyls
< 1 || cyls
> 16383)
3110 heads
= strtol(p
, (char **)&p
, 0);
3111 if (heads
< 1 || heads
> 16)
3116 secs
= strtol(p
, (char **)&p
, 0);
3117 if (secs
< 1 || secs
> 63)
3121 if (!strcmp(p
, "none"))
3122 translation
= BIOS_ATA_TRANSLATION_NONE
;
3123 else if (!strcmp(p
, "lba"))
3124 translation
= BIOS_ATA_TRANSLATION_LBA
;
3125 else if (!strcmp(p
, "auto"))
3126 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3129 } else if (*p
!= '\0') {
3131 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3134 if (hda_opts
!= NULL
) {
3136 snprintf(num
, sizeof(num
), "%d", cyls
);
3137 qemu_opt_set(hda_opts
, "cyls", num
);
3138 snprintf(num
, sizeof(num
), "%d", heads
);
3139 qemu_opt_set(hda_opts
, "heads", num
);
3140 snprintf(num
, sizeof(num
), "%d", secs
);
3141 qemu_opt_set(hda_opts
, "secs", num
);
3142 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3143 qemu_opt_set(hda_opts
, "trans", "lba");
3144 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3145 qemu_opt_set(hda_opts
, "trans", "none");
3149 case QEMU_OPTION_numa
:
3152 case QEMU_OPTION_display
:
3153 display_type
= select_display(optarg
);
3155 case QEMU_OPTION_nographic
:
3156 display_type
= DT_NOGRAPHIC
;
3158 case QEMU_OPTION_curses
:
3159 #ifdef CONFIG_CURSES
3160 display_type
= DT_CURSES
;
3162 fprintf(stderr
, "Curses support is disabled\n");
3166 case QEMU_OPTION_portrait
:
3167 graphic_rotate
= 90;
3169 case QEMU_OPTION_rotate
:
3170 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3171 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3172 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3174 "qemu: only 90, 180, 270 deg rotation is available\n");
3178 case QEMU_OPTION_kernel
:
3179 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3181 case QEMU_OPTION_initrd
:
3182 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3184 case QEMU_OPTION_append
:
3185 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3187 case QEMU_OPTION_dtb
:
3188 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3190 case QEMU_OPTION_cdrom
:
3191 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3193 case QEMU_OPTION_boot
:
3194 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3199 case QEMU_OPTION_fda
:
3200 case QEMU_OPTION_fdb
:
3201 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3204 case QEMU_OPTION_no_fd_bootchk
:
3207 case QEMU_OPTION_netdev
:
3208 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3212 case QEMU_OPTION_net
:
3213 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3217 #ifdef CONFIG_LIBISCSI
3218 case QEMU_OPTION_iscsi
:
3219 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3226 case QEMU_OPTION_tftp
:
3227 legacy_tftp_prefix
= optarg
;
3229 case QEMU_OPTION_bootp
:
3230 legacy_bootp_filename
= optarg
;
3232 case QEMU_OPTION_redir
:
3233 if (net_slirp_redir(optarg
) < 0)
3237 case QEMU_OPTION_bt
:
3238 add_device_config(DEV_BT
, optarg
);
3240 case QEMU_OPTION_audio_help
:
3244 case QEMU_OPTION_soundhw
:
3245 select_soundhw (optarg
);
3250 case QEMU_OPTION_version
:
3254 case QEMU_OPTION_m
: {
3259 value
= strtosz(optarg
, &end
);
3260 if (value
< 0 || *end
) {
3261 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3264 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3266 if (ram_size
!= sz
) {
3267 fprintf(stderr
, "qemu: ram size too large\n");
3273 case QEMU_OPTION_tpmdev
:
3274 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3279 case QEMU_OPTION_mempath
:
3283 case QEMU_OPTION_mem_prealloc
:
3294 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3296 case QEMU_OPTION_gdb
:
3297 add_device_config(DEV_GDB
, optarg
);
3300 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3301 data_dir
[data_dir_idx
++] = optarg
;
3304 case QEMU_OPTION_bios
:
3307 case QEMU_OPTION_singlestep
:
3314 keyboard_layout
= optarg
;
3316 case QEMU_OPTION_localtime
:
3319 case QEMU_OPTION_vga
:
3328 w
= strtol(p
, (char **)&p
, 10);
3331 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3337 h
= strtol(p
, (char **)&p
, 10);
3342 depth
= strtol(p
, (char **)&p
, 10);
3343 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3344 depth
!= 24 && depth
!= 32)
3346 } else if (*p
== '\0') {
3347 depth
= graphic_depth
;
3354 graphic_depth
= depth
;
3357 case QEMU_OPTION_echr
:
3360 term_escape_char
= strtol(optarg
, &r
, 0);
3362 printf("Bad argument to echr\n");
3365 case QEMU_OPTION_monitor
:
3366 default_monitor
= 0;
3367 if (strncmp(optarg
, "none", 4)) {
3368 monitor_parse(optarg
, "readline");
3371 case QEMU_OPTION_qmp
:
3372 monitor_parse(optarg
, "control");
3373 default_monitor
= 0;
3375 case QEMU_OPTION_mon
:
3376 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3380 default_monitor
= 0;
3382 case QEMU_OPTION_chardev
:
3383 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3388 case QEMU_OPTION_fsdev
:
3389 olist
= qemu_find_opts("fsdev");
3391 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3394 opts
= qemu_opts_parse(olist
, optarg
, 1);
3399 case QEMU_OPTION_virtfs
: {
3402 const char *writeout
, *sock_fd
, *socket
;
3404 olist
= qemu_find_opts("virtfs");
3406 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3409 opts
= qemu_opts_parse(olist
, optarg
, 1);
3414 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3415 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3416 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3419 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3420 qemu_opt_get(opts
, "mount_tag"),
3423 fprintf(stderr
, "duplicate fsdev id: %s\n",
3424 qemu_opt_get(opts
, "mount_tag"));
3428 writeout
= qemu_opt_get(opts
, "writeout");
3430 #ifdef CONFIG_SYNC_FILE_RANGE
3431 qemu_opt_set(fsdev
, "writeout", writeout
);
3433 fprintf(stderr
, "writeout=immediate not supported on "
3438 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3439 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3440 qemu_opt_set(fsdev
, "security_model",
3441 qemu_opt_get(opts
, "security_model"));
3442 socket
= qemu_opt_get(opts
, "socket");
3444 qemu_opt_set(fsdev
, "socket", socket
);
3446 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3448 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3451 qemu_opt_set_bool(fsdev
, "readonly",
3452 qemu_opt_get_bool(opts
, "readonly", 0));
3453 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3454 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3455 qemu_opt_set(device
, "fsdev",
3456 qemu_opt_get(opts
, "mount_tag"));
3457 qemu_opt_set(device
, "mount_tag",
3458 qemu_opt_get(opts
, "mount_tag"));
3461 case QEMU_OPTION_virtfs_synth
: {
3465 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3468 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3471 qemu_opt_set(fsdev
, "fsdriver", "synth");
3473 device
= qemu_opts_create_nofail(qemu_find_opts("device"));
3474 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3475 qemu_opt_set(device
, "fsdev", "v_synth");
3476 qemu_opt_set(device
, "mount_tag", "v_synth");
3479 case QEMU_OPTION_serial
:
3480 add_device_config(DEV_SERIAL
, optarg
);
3482 if (strncmp(optarg
, "mon:", 4) == 0) {
3483 default_monitor
= 0;
3486 case QEMU_OPTION_watchdog
:
3489 "qemu: only one watchdog option may be given\n");
3494 case QEMU_OPTION_watchdog_action
:
3495 if (select_watchdog_action(optarg
) == -1) {
3496 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3500 case QEMU_OPTION_virtiocon
:
3501 add_device_config(DEV_VIRTCON
, optarg
);
3502 default_virtcon
= 0;
3503 if (strncmp(optarg
, "mon:", 4) == 0) {
3504 default_monitor
= 0;
3507 case QEMU_OPTION_parallel
:
3508 add_device_config(DEV_PARALLEL
, optarg
);
3509 default_parallel
= 0;
3510 if (strncmp(optarg
, "mon:", 4) == 0) {
3511 default_monitor
= 0;
3514 case QEMU_OPTION_debugcon
:
3515 add_device_config(DEV_DEBUGCON
, optarg
);
3517 case QEMU_OPTION_loadvm
:
3520 case QEMU_OPTION_full_screen
:
3523 case QEMU_OPTION_no_frame
:
3526 case QEMU_OPTION_alt_grab
:
3529 case QEMU_OPTION_ctrl_grab
:
3532 case QEMU_OPTION_no_quit
:
3535 case QEMU_OPTION_sdl
:
3537 display_type
= DT_SDL
;
3540 fprintf(stderr
, "SDL support is disabled\n");
3543 case QEMU_OPTION_pidfile
:
3546 case QEMU_OPTION_win2k_hack
:
3547 win2k_install_hack
= 1;
3549 case QEMU_OPTION_rtc_td_hack
: {
3550 static GlobalProperty slew_lost_ticks
[] = {
3552 .driver
= "mc146818rtc",
3553 .property
= "lost_tick_policy",
3556 { /* end of list */ }
3559 qdev_prop_register_global_list(slew_lost_ticks
);
3562 case QEMU_OPTION_acpitable
:
3563 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3564 g_assert(opts
!= NULL
);
3565 do_acpitable_option(opts
);
3567 case QEMU_OPTION_smbios
:
3568 do_smbios_option(optarg
);
3570 case QEMU_OPTION_enable_kvm
:
3571 olist
= qemu_find_opts("machine");
3572 qemu_opts_parse(olist
, "accel=kvm", 0);
3574 case QEMU_OPTION_machine
:
3575 olist
= qemu_find_opts("machine");
3576 opts
= qemu_opts_parse(olist
, optarg
, 1);
3580 optarg
= qemu_opt_get(opts
, "type");
3582 machine
= machine_parse(optarg
);
3585 case QEMU_OPTION_no_kvm
:
3586 olist
= qemu_find_opts("machine");
3587 qemu_opts_parse(olist
, "accel=tcg", 0);
3589 case QEMU_OPTION_no_kvm_pit
: {
3590 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3594 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3595 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3597 .driver
= "kvm-pit",
3598 .property
= "lost_tick_policy",
3601 { /* end of list */ }
3604 fprintf(stderr
, "Warning: option deprecated, use "
3605 "lost_tick_policy property of kvm-pit instead.\n");
3606 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3609 case QEMU_OPTION_usb
:
3610 olist
= qemu_find_opts("machine");
3611 qemu_opts_parse(olist
, "usb=on", 0);
3613 case QEMU_OPTION_usbdevice
:
3614 olist
= qemu_find_opts("machine");
3615 qemu_opts_parse(olist
, "usb=on", 0);
3616 add_device_config(DEV_USB
, optarg
);
3618 case QEMU_OPTION_device
:
3619 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3623 case QEMU_OPTION_smp
:
3624 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3628 case QEMU_OPTION_vnc
:
3631 vnc_display
= optarg
;
3633 fprintf(stderr
, "VNC support is disabled\n");
3637 case QEMU_OPTION_no_acpi
:
3640 case QEMU_OPTION_no_hpet
:
3643 case QEMU_OPTION_balloon
:
3644 if (balloon_parse(optarg
) < 0) {
3645 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3649 case QEMU_OPTION_no_reboot
:
3652 case QEMU_OPTION_no_shutdown
:
3655 case QEMU_OPTION_show_cursor
:
3658 case QEMU_OPTION_uuid
:
3659 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3660 fprintf(stderr
, "Fail to parse UUID string."
3661 " Wrong format.\n");
3665 case QEMU_OPTION_option_rom
:
3666 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3667 fprintf(stderr
, "Too many option ROMs\n");
3670 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3674 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3675 option_rom
[nb_option_roms
].bootindex
=
3676 qemu_opt_get_number(opts
, "bootindex", -1);
3677 if (!option_rom
[nb_option_roms
].name
) {
3678 fprintf(stderr
, "Option ROM file is not specified\n");
3683 case QEMU_OPTION_semihosting
:
3684 semihosting_enabled
= 1;
3686 case QEMU_OPTION_tdf
:
3687 fprintf(stderr
, "Warning: user space PIT time drift fix "
3688 "is no longer supported.\n");
3690 case QEMU_OPTION_name
:
3691 qemu_name
= g_strdup(optarg
);
3693 char *p
= strchr(qemu_name
, ',');
3696 if (strncmp(p
, "process=", 8)) {
3697 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3701 os_set_proc_name(p
);
3705 case QEMU_OPTION_prom_env
:
3706 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3707 fprintf(stderr
, "Too many prom variables\n");
3710 prom_envs
[nb_prom_envs
] = optarg
;
3713 case QEMU_OPTION_old_param
:
3716 case QEMU_OPTION_clock
:
3717 configure_alarms(optarg
);
3719 case QEMU_OPTION_startdate
:
3720 configure_rtc_date_offset(optarg
, 1);
3722 case QEMU_OPTION_rtc
:
3723 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3727 configure_rtc(opts
);
3729 case QEMU_OPTION_tb_size
:
3730 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3731 if (tcg_tb_size
< 0) {
3735 case QEMU_OPTION_icount
:
3736 icount_option
= optarg
;
3738 case QEMU_OPTION_incoming
:
3740 runstate_set(RUN_STATE_INMIGRATE
);
3742 case QEMU_OPTION_nodefaults
:
3744 default_parallel
= 0;
3745 default_virtcon
= 0;
3747 default_monitor
= 0;
3754 case QEMU_OPTION_xen_domid
:
3755 if (!(xen_available())) {
3756 printf("Option %s not supported for this target\n", popt
->name
);
3759 xen_domid
= atoi(optarg
);
3761 case QEMU_OPTION_xen_create
:
3762 if (!(xen_available())) {
3763 printf("Option %s not supported for this target\n", popt
->name
);
3766 xen_mode
= XEN_CREATE
;
3768 case QEMU_OPTION_xen_attach
:
3769 if (!(xen_available())) {
3770 printf("Option %s not supported for this target\n", popt
->name
);
3773 xen_mode
= XEN_ATTACH
;
3775 case QEMU_OPTION_trace
:
3777 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3781 trace_events
= qemu_opt_get(opts
, "events");
3782 trace_file
= qemu_opt_get(opts
, "file");
3785 case QEMU_OPTION_readconfig
:
3787 int ret
= qemu_read_config_file(optarg
);
3789 fprintf(stderr
, "read config %s: %s\n", optarg
,
3795 case QEMU_OPTION_spice
:
3796 olist
= qemu_find_opts("spice");
3798 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3801 opts
= qemu_opts_parse(olist
, optarg
, 0);
3807 case QEMU_OPTION_writeconfig
:
3810 if (strcmp(optarg
, "-") == 0) {
3813 fp
= fopen(optarg
, "w");
3815 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3819 qemu_config_write(fp
);
3823 case QEMU_OPTION_qtest
:
3824 qtest_chrdev
= optarg
;
3826 case QEMU_OPTION_qtest_log
:
3829 case QEMU_OPTION_sandbox
:
3830 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3835 case QEMU_OPTION_add_fd
:
3837 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3842 error_report("File descriptor passing is disabled on this "
3847 case QEMU_OPTION_object
:
3848 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3853 case QEMU_OPTION_realtime
:
3854 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3858 configure_realtime(opts
);
3860 case QEMU_OPTION_msg
:
3861 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3865 configure_msg(opts
);
3868 os_parse_cmd_args(popt
->index
, optarg
);
3874 if (qemu_init_main_loop()) {
3875 fprintf(stderr
, "qemu_init_main_loop failed\n");
3879 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3884 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3888 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3893 if (machine
== NULL
) {
3894 fprintf(stderr
, "No machine found.\n");
3898 if (machine
->hw_version
) {
3899 qemu_set_version(machine
->hw_version
);
3902 if (qemu_opts_foreach(qemu_find_opts("object"),
3903 object_create
, NULL
, 0) != 0) {
3907 /* Init CPU def lists, based on config
3908 * - Must be called after all the qemu_read_config_file() calls
3909 * - Must be called before list_cpus()
3910 * - Must be called before machine->init()
3914 if (cpu_model
&& is_help_option(cpu_model
)) {
3915 list_cpus(stdout
, &fprintf
, cpu_model
);
3919 /* Open the logfile at this point, if necessary. We can't open the logfile
3920 * when encountering either of the logging options (-d or -D) because the
3921 * other one may be encountered later on the command line, changing the
3922 * location or level of logging.
3927 qemu_set_log_filename(log_file
);
3930 mask
= qemu_str_to_log_mask(log_mask
);
3932 qemu_print_log_usage(stdout
);
3938 if (!trace_backend_init(trace_events
, trace_file
)) {
3942 /* If no data_dir is specified then try to find it relative to the
3944 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3945 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3946 if (data_dir
[data_dir_idx
] != NULL
) {
3950 /* If all else fails use the install path specified when building. */
3951 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3952 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3955 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3957 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3958 if (smp_cpus
> machine
->max_cpus
) {
3959 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3960 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3966 * Get the default machine options from the machine if it is not already
3967 * specified either by the configuration file or by the command line.
3969 if (machine
->default_machine_opts
) {
3970 qemu_opts_set_defaults(qemu_find_opts("machine"),
3971 machine
->default_machine_opts
, 0);
3974 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3975 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3977 if (machine
->no_serial
) {
3980 if (machine
->no_parallel
) {
3981 default_parallel
= 0;
3983 if (!machine
->use_virtcon
) {
3984 default_virtcon
= 0;
3986 if (!machine
->use_sclp
) {
3989 if (machine
->no_floppy
) {
3992 if (machine
->no_cdrom
) {
3995 if (machine
->no_sdcard
) {
3999 if (is_daemonized()) {
4000 /* According to documentation and historically, -nographic redirects
4001 * serial port, parallel port and monitor to stdio, which does not work
4002 * with -daemonize. We can redirect these to null instead, but since
4003 * -nographic is legacy, let's just error out.
4004 * We disallow -nographic only if all other ports are not redirected
4005 * explicitly, to not break existing legacy setups which uses
4006 * -nographic _and_ redirects all ports explicitly - this is valid
4007 * usage, -nographic is just a no-op in this case.
4009 if (display_type
== DT_NOGRAPHIC
4010 && (default_parallel
|| default_serial
4011 || default_monitor
|| default_virtcon
)) {
4012 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
4015 #ifdef CONFIG_CURSES
4016 if (display_type
== DT_CURSES
) {
4017 fprintf(stderr
, "curses display can not be used with -daemonize\n");
4023 if (display_type
== DT_NOGRAPHIC
) {
4024 if (default_parallel
)
4025 add_device_config(DEV_PARALLEL
, "null");
4026 if (default_serial
&& default_monitor
) {
4027 add_device_config(DEV_SERIAL
, "mon:stdio");
4028 } else if (default_virtcon
&& default_monitor
) {
4029 add_device_config(DEV_VIRTCON
, "mon:stdio");
4030 } else if (default_sclp
&& default_monitor
) {
4031 add_device_config(DEV_SCLP
, "mon:stdio");
4034 add_device_config(DEV_SERIAL
, "stdio");
4035 if (default_virtcon
)
4036 add_device_config(DEV_VIRTCON
, "stdio");
4038 add_device_config(DEV_SCLP
, "stdio");
4040 if (default_monitor
)
4041 monitor_parse("stdio", "readline");
4045 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4046 if (default_parallel
)
4047 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4048 if (default_monitor
)
4049 monitor_parse("vc:80Cx24C", "readline");
4050 if (default_virtcon
)
4051 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4053 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4057 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4058 #if defined(CONFIG_GTK)
4059 display_type
= DT_GTK
;
4060 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4061 display_type
= DT_SDL
;
4062 #elif defined(CONFIG_VNC)
4063 vnc_display
= "localhost:0,to=99";
4066 display_type
= DT_NONE
;
4070 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4071 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4072 "for SDL, ignoring option\n");
4074 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4075 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4076 "ignoring option\n");
4079 #if defined(CONFIG_GTK)
4080 if (display_type
== DT_GTK
) {
4081 early_gtk_display_init();
4087 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4089 #ifdef CONFIG_VIRTFS
4090 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4097 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4102 /* init the memory */
4103 if (ram_size
== 0) {
4104 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4107 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4112 configure_accelerator();
4114 if (!qtest_enabled() && qtest_chrdev
) {
4118 machine_opts
= qemu_get_machine_opts();
4119 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4120 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4121 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4124 boot_order
= machine
->boot_order
;
4126 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4128 char *normal_boot_order
;
4129 const char *order
, *once
;
4131 order
= qemu_opt_get(opts
, "order");
4133 validate_bootdevices(order
);
4137 once
= qemu_opt_get(opts
, "once");
4139 validate_bootdevices(once
);
4140 normal_boot_order
= g_strdup(boot_order
);
4142 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4145 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4148 if (!kernel_cmdline
) {
4149 kernel_cmdline
= "";
4152 linux_boot
= (kernel_filename
!= NULL
);
4154 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4155 fprintf(stderr
, "-append only allowed with -kernel option\n");
4159 if (!linux_boot
&& initrd_filename
!= NULL
) {
4160 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4164 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4165 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4169 os_set_line_buffering();
4171 qemu_init_cpu_loop();
4172 qemu_mutex_lock_iothread();
4175 /* spice needs the timers to be initialized by this point */
4179 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4180 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4183 configure_icount(icount_option
);
4185 /* clean up network at qemu process termination */
4186 atexit(&net_cleanup
);
4188 if (net_init_clients() < 0) {
4193 if (tpm_init() < 0) {
4198 /* init the bluetooth world */
4199 if (foreach_device_config(DEV_BT
, bt_parse
))
4202 if (!xen_enabled()) {
4203 /* On 32-bit hosts, QEMU is limited by virtual address space */
4204 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4205 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4210 cpu_exec_init_all();
4214 /* open the virtual block devices */
4216 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4217 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4218 &machine
->block_default_type
, 1) != 0) {
4222 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4224 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4225 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4227 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4229 if (nb_numa_nodes
> 0) {
4232 if (nb_numa_nodes
> MAX_NODES
) {
4233 nb_numa_nodes
= MAX_NODES
;
4236 /* If no memory size if given for any node, assume the default case
4237 * and distribute the available memory equally across all nodes
4239 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4240 if (node_mem
[i
] != 0)
4243 if (i
== nb_numa_nodes
) {
4244 uint64_t usedmem
= 0;
4246 /* On Linux, the each node's border has to be 8MB aligned,
4247 * the final node gets the rest.
4249 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4250 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4251 usedmem
+= node_mem
[i
];
4253 node_mem
[i
] = ram_size
- usedmem
;
4256 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4257 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4261 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4262 * must cope with this anyway, because there are BIOSes out there in
4263 * real machines which also use this scheme.
4265 if (i
== nb_numa_nodes
) {
4266 for (i
= 0; i
< max_cpus
; i
++) {
4267 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4272 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4276 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4278 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4280 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4282 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4285 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4288 /* If no default VGA is requested, the default is "none". */
4290 if (cirrus_vga_available()) {
4291 vga_model
= "cirrus";
4292 } else if (vga_available()) {
4296 select_vgahw(vga_model
);
4299 i
= select_watchdog(watchdog
);
4301 exit (i
== 1 ? 1 : 0);
4304 if (machine
->compat_props
) {
4305 qdev_prop_register_global_list(machine
->compat_props
);
4309 qdev_machine_init();
4311 QEMUMachineInitArgs args
= { .ram_size
= ram_size
,
4312 .boot_device
= boot_order
,
4313 .kernel_filename
= kernel_filename
,
4314 .kernel_cmdline
= kernel_cmdline
,
4315 .initrd_filename
= initrd_filename
,
4316 .cpu_model
= cpu_model
};
4317 machine
->init(&args
);
4321 cpu_synchronize_all_post_init();
4325 current_machine
= machine
;
4327 /* init USB devices */
4328 if (usb_enabled(false)) {
4329 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4333 /* init generic devices */
4334 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4337 net_check_clients();
4339 ds
= init_displaystate();
4341 /* init local displays */
4342 switch (display_type
) {
4345 #if defined(CONFIG_CURSES)
4347 curses_display_init(ds
, full_screen
);
4350 #if defined(CONFIG_SDL)
4352 sdl_display_init(ds
, full_screen
, no_frame
);
4354 #elif defined(CONFIG_COCOA)
4356 cocoa_display_init(ds
, full_screen
);
4359 #if defined(CONFIG_GTK)
4361 gtk_display_init(ds
, full_screen
);
4368 /* must be after terminal init, SDL library changes signal handlers */
4369 os_setup_signal_handling();
4372 /* init remote displays */
4374 Error
*local_err
= NULL
;
4375 vnc_display_init(ds
);
4376 vnc_display_open(ds
, vnc_display
, &local_err
);
4377 if (local_err
!= NULL
) {
4378 fprintf(stderr
, "Failed to start VNC server on `%s': %s\n",
4379 vnc_display
, error_get_pretty(local_err
));
4380 error_free(local_err
);
4384 if (show_vnc_port
) {
4385 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4390 if (using_spice
&& !qxl_enabled
) {
4391 qemu_spice_display_init(ds
);
4395 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4399 qdev_machine_creation_done();
4401 if (rom_load_all() != 0) {
4402 fprintf(stderr
, "rom loading failed\n");
4406 /* TODO: once all bus devices are qdevified, this should be done
4407 * when bus is created by qdev.c */
4408 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4409 qemu_run_machine_init_done_notifiers();
4411 qemu_system_reset(VMRESET_SILENT
);
4413 if (load_vmstate(loadvm
) < 0) {
4419 Error
*local_err
= NULL
;
4420 qemu_start_incoming_migration(incoming
, &local_err
);
4422 fprintf(stderr
, "-incoming %s: %s\n", incoming
, error_get_pretty(local_err
));
4423 error_free(local_err
);
4426 } else if (autostart
) {