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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #include <arpa/inet.h>
49 #include <sys/select.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
84 #if defined(__OpenBSD__)
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 */
115 #include "hw/boards.h"
117 #include "hw/pcmcia.h"
122 #include "hw/watchdog.h"
123 #include "hw/smbios.h"
126 #include "hw/loader.h"
129 #include "net/slirp.h"
134 #include "qemu-timer.h"
135 #include "qemu-char.h"
136 #include "cache-utils.h"
138 #include "blockdev.h"
139 #include "block-migration.h"
141 #include "audio/audio.h"
142 #include "migration.h"
144 #include "qemu-option.h"
145 #include "qemu-config.h"
146 #include "qemu-objects.h"
147 #include "qemu-options.h"
149 #include "fsdev/qemu-fsdev.h"
154 #include "qemu_socket.h"
156 #include "slirp/libslirp.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
162 #include "arch_init.h"
164 #include "ui/qemu-spice.h"
167 //#define DEBUG_SLIRP
169 #define DEFAULT_RAM_SIZE 128
171 #define MAX_VIRTIO_CONSOLES 1
173 static const char *data_dir
;
174 const char *bios_name
= NULL
;
175 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
176 DisplayType display_type
= DT_DEFAULT
;
177 int display_remote
= 0;
178 const char* keyboard_layout
= NULL
;
180 const char *mem_path
= NULL
;
182 int mem_prealloc
= 0; /* force preallocation of physical target memory */
185 NICInfo nd_table
[MAX_NICS
];
188 int incoming_expected
; /* Started with -incoming and waiting for incoming */
189 static int rtc_utc
= 1;
190 static int rtc_date_offset
= -1; /* -1 means no change */
191 QEMUClock
*rtc_clock
;
192 int vga_interface_type
= VGA_NONE
;
193 static int full_screen
= 0;
195 static int no_frame
= 0;
198 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
199 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
200 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
201 int win2k_install_hack
= 0;
210 const char *vnc_display
;
212 int acpi_enabled
= 1;
218 int graphic_rotate
= 0;
219 uint8_t irq0override
= 1;
220 const char *watchdog
;
221 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
223 int semihosting_enabled
= 0;
225 const char *qemu_name
;
228 unsigned int nb_prom_envs
= 0;
229 const char *prom_envs
[MAX_PROM_ENVS
];
232 typedef struct FWBootEntry FWBootEntry
;
235 QTAILQ_ENTRY(FWBootEntry
) link
;
241 QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
= QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
244 uint64_t node_mem
[MAX_NODES
];
245 uint64_t node_cpumask
[MAX_NODES
];
247 static QEMUTimer
*nographic_timer
;
249 uint8_t qemu_uuid
[16];
251 static QEMUBootSetHandler
*boot_set_handler
;
252 static void *boot_set_opaque
;
254 static NotifierList exit_notifiers
=
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
257 static NotifierList machine_init_done_notifiers
=
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
260 static int tcg_allowed
= 1;
264 enum xen_mode xen_mode
= XEN_EMULATE
;
266 static int default_serial
= 1;
267 static int default_parallel
= 1;
268 static int default_virtcon
= 1;
269 static int default_monitor
= 1;
270 static int default_vga
= 1;
271 static int default_floppy
= 1;
272 static int default_cdrom
= 1;
273 static int default_sdcard
= 1;
279 { .driver
= "isa-serial", .flag
= &default_serial
},
280 { .driver
= "isa-parallel", .flag
= &default_parallel
},
281 { .driver
= "isa-fdc", .flag
= &default_floppy
},
282 { .driver
= "ide-cd", .flag
= &default_cdrom
},
283 { .driver
= "ide-hd", .flag
= &default_cdrom
},
284 { .driver
= "ide-drive", .flag
= &default_cdrom
},
285 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
286 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
287 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
288 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
289 { .driver
= "VGA", .flag
= &default_vga
},
290 { .driver
= "cirrus-vga", .flag
= &default_vga
},
291 { .driver
= "vmware-svga", .flag
= &default_vga
},
292 { .driver
= "isa-vga", .flag
= &default_vga
},
293 { .driver
= "qxl-vga", .flag
= &default_vga
},
296 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
298 const char *driver
= qemu_opt_get(opts
, "driver");
303 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
304 if (strcmp(default_list
[i
].driver
, driver
) != 0)
306 *(default_list
[i
].flag
) = 0;
311 /***********************************************************/
312 /* real time host monotonic timer */
314 /***********************************************************/
315 /* host time/date access */
316 void qemu_get_timedate(struct tm
*tm
, int offset
)
323 if (rtc_date_offset
== -1) {
327 ret
= localtime(&ti
);
329 ti
-= rtc_date_offset
;
333 memcpy(tm
, ret
, sizeof(struct tm
));
336 int qemu_timedate_diff(struct tm
*tm
)
340 if (rtc_date_offset
== -1)
342 seconds
= mktimegm(tm
);
344 seconds
= mktime(tm
);
346 seconds
= mktimegm(tm
) + rtc_date_offset
;
348 return seconds
- time(NULL
);
351 void rtc_change_mon_event(struct tm
*tm
)
355 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
356 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
357 qobject_decref(data
);
360 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
362 time_t rtc_start_date
;
365 if (!strcmp(startdate
, "now") && legacy
) {
366 rtc_date_offset
= -1;
368 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
376 } else if (sscanf(startdate
, "%d-%d-%d",
388 rtc_start_date
= mktimegm(&tm
);
389 if (rtc_start_date
== -1) {
391 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
392 "'2006-06-17T16:01:21' or '2006-06-17'\n");
395 rtc_date_offset
= time(NULL
) - rtc_start_date
;
399 static void configure_rtc(QemuOpts
*opts
)
403 value
= qemu_opt_get(opts
, "base");
405 if (!strcmp(value
, "utc")) {
407 } else if (!strcmp(value
, "localtime")) {
410 configure_rtc_date_offset(value
, 0);
413 value
= qemu_opt_get(opts
, "clock");
415 if (!strcmp(value
, "host")) {
416 rtc_clock
= host_clock
;
417 } else if (!strcmp(value
, "vm")) {
418 rtc_clock
= vm_clock
;
420 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
424 value
= qemu_opt_get(opts
, "driftfix");
426 if (!strcmp(value
, "slew")) {
428 } else if (!strcmp(value
, "none")) {
431 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
437 /***********************************************************/
438 /* Bluetooth support */
441 static struct HCIInfo
*hci_table
[MAX_NICS
];
443 static struct bt_vlan_s
{
444 struct bt_scatternet_s net
;
446 struct bt_vlan_s
*next
;
449 /* find or alloc a new bluetooth "VLAN" */
450 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
452 struct bt_vlan_s
**pvlan
, *vlan
;
453 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
457 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
459 pvlan
= &first_bt_vlan
;
460 while (*pvlan
!= NULL
)
461 pvlan
= &(*pvlan
)->next
;
466 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
470 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
475 static struct HCIInfo null_hci
= {
476 .cmd_send
= null_hci_send
,
477 .sco_send
= null_hci_send
,
478 .acl_send
= null_hci_send
,
479 .bdaddr_set
= null_hci_addr_set
,
482 struct HCIInfo
*qemu_next_hci(void)
484 if (cur_hci
== nb_hcis
)
487 return hci_table
[cur_hci
++];
490 static struct HCIInfo
*hci_init(const char *str
)
493 struct bt_scatternet_s
*vlan
= 0;
495 if (!strcmp(str
, "null"))
498 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
500 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
501 else if (!strncmp(str
, "hci", 3)) {
504 if (!strncmp(str
+ 3, ",vlan=", 6)) {
505 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
510 vlan
= qemu_find_bt_vlan(0);
512 return bt_new_hci(vlan
);
515 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
520 static int bt_hci_parse(const char *str
)
525 if (nb_hcis
>= MAX_NICS
) {
526 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
539 bdaddr
.b
[5] = 0x56 + nb_hcis
;
540 hci
->bdaddr_set(hci
, bdaddr
.b
);
542 hci_table
[nb_hcis
++] = hci
;
547 static void bt_vhci_add(int vlan_id
)
549 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
552 fprintf(stderr
, "qemu: warning: adding a VHCI to "
553 "an empty scatternet %i\n", vlan_id
);
555 bt_vhci_init(bt_new_hci(vlan
));
558 static struct bt_device_s
*bt_device_add(const char *opt
)
560 struct bt_scatternet_s
*vlan
;
562 char *endp
= strstr(opt
, ",vlan=");
563 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
566 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
569 vlan_id
= strtol(endp
+ 6, &endp
, 0);
571 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
576 vlan
= qemu_find_bt_vlan(vlan_id
);
579 fprintf(stderr
, "qemu: warning: adding a slave device to "
580 "an empty scatternet %i\n", vlan_id
);
582 if (!strcmp(devname
, "keyboard"))
583 return bt_keyboard_init(vlan
);
585 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
589 static int bt_parse(const char *opt
)
591 const char *endp
, *p
;
594 if (strstart(opt
, "hci", &endp
)) {
595 if (!*endp
|| *endp
== ',') {
597 if (!strstart(endp
, ",vlan=", 0))
600 return bt_hci_parse(opt
);
602 } else if (strstart(opt
, "vhci", &endp
)) {
603 if (!*endp
|| *endp
== ',') {
605 if (strstart(endp
, ",vlan=", &p
)) {
606 vlan
= strtol(p
, (char **) &endp
, 0);
608 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
612 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
621 } else if (strstart(opt
, "device:", &endp
))
622 return !bt_device_add(endp
);
624 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
628 /***********************************************************/
629 /* QEMU Block devices */
631 #define HD_OPTS "media=disk"
632 #define CDROM_OPTS "media=cdrom"
634 #define PFLASH_OPTS ""
638 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
640 int *use_scsi
= opaque
;
642 return drive_init(opts
, *use_scsi
) == NULL
;
645 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
647 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
648 qemu_opt_set(opts
, "snapshot", "on");
653 static void default_drive(int enable
, int snapshot
, int use_scsi
,
654 BlockInterfaceType type
, int index
,
659 if (type
== IF_DEFAULT
) {
660 type
= use_scsi
? IF_SCSI
: IF_IDE
;
663 if (!enable
|| drive_get_by_index(type
, index
)) {
667 opts
= drive_add(type
, index
, NULL
, optstr
);
669 drive_enable_snapshot(opts
, NULL
);
671 if (!drive_init(opts
, use_scsi
)) {
676 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
678 boot_set_handler
= func
;
679 boot_set_opaque
= opaque
;
682 int qemu_boot_set(const char *boot_devices
)
684 if (!boot_set_handler
) {
687 return boot_set_handler(boot_set_opaque
, boot_devices
);
690 static void validate_bootdevices(char *devices
)
692 /* We just do some generic consistency checks */
696 for (p
= devices
; *p
!= '\0'; p
++) {
697 /* Allowed boot devices are:
698 * a-b: floppy disk drives
699 * c-f: IDE disk drives
700 * g-m: machine implementation dependant drives
701 * n-p: network devices
702 * It's up to each machine implementation to check if the given boot
703 * devices match the actual hardware implementation and firmware
706 if (*p
< 'a' || *p
> 'p') {
707 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
710 if (bitmap
& (1 << (*p
- 'a'))) {
711 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
714 bitmap
|= 1 << (*p
- 'a');
718 static void restore_boot_devices(void *opaque
)
720 char *standard_boot_devices
= opaque
;
721 static int first
= 1;
723 /* Restore boot order and remove ourselves after the first boot */
729 qemu_boot_set(standard_boot_devices
);
731 qemu_unregister_reset(restore_boot_devices
, standard_boot_devices
);
732 qemu_free(standard_boot_devices
);
735 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
738 FWBootEntry
*node
, *i
;
744 assert(dev
!= NULL
|| suffix
!= NULL
);
746 node
= qemu_mallocz(sizeof(FWBootEntry
));
747 node
->bootindex
= bootindex
;
748 node
->suffix
= suffix
? qemu_strdup(suffix
) : NULL
;
751 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
752 if (i
->bootindex
== bootindex
) {
753 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
755 } else if (i
->bootindex
< bootindex
) {
758 QTAILQ_INSERT_BEFORE(i
, node
, link
);
761 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
765 * This function returns null terminated string that consist of new line
766 * separated device paths.
768 * memory pointed by "size" is assigned total length of the array in bytes
771 char *get_boot_devices_list(uint32_t *size
)
777 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
778 char *devpath
= NULL
, *bootpath
;
782 devpath
= qdev_get_fw_dev_path(i
->dev
);
786 if (i
->suffix
&& devpath
) {
787 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
789 bootpath
= qemu_malloc(bootpathlen
);
790 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
792 } else if (devpath
) {
795 bootpath
= qemu_strdup(i
->suffix
);
800 list
[total
-1] = '\n';
802 len
= strlen(bootpath
) + 1;
803 list
= qemu_realloc(list
, total
+ len
);
804 memcpy(&list
[total
], bootpath
, len
);
814 static void numa_add(const char *optarg
)
818 unsigned long long value
, endvalue
;
821 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
822 if (!strcmp(option
, "node")) {
823 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
824 nodenr
= nb_numa_nodes
;
826 nodenr
= strtoull(option
, NULL
, 10);
829 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
830 node_mem
[nodenr
] = 0;
833 sval
= strtosz(option
, NULL
);
835 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
838 node_mem
[nodenr
] = sval
;
840 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
841 node_cpumask
[nodenr
] = 0;
843 value
= strtoull(option
, &endptr
, 10);
846 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
848 if (*endptr
== '-') {
849 endvalue
= strtoull(endptr
+1, &endptr
, 10);
850 if (endvalue
>= 63) {
853 "only 63 CPUs in NUMA mode supported.\n");
855 value
= (2ULL << endvalue
) - (1ULL << value
);
857 value
= 1ULL << value
;
860 node_cpumask
[nodenr
] = value
;
867 static void smp_parse(const char *optarg
)
869 int smp
, sockets
= 0, threads
= 0, cores
= 0;
873 smp
= strtoul(optarg
, &endptr
, 10);
874 if (endptr
!= optarg
) {
875 if (*endptr
== ',') {
879 if (get_param_value(option
, 128, "sockets", endptr
) != 0)
880 sockets
= strtoull(option
, NULL
, 10);
881 if (get_param_value(option
, 128, "cores", endptr
) != 0)
882 cores
= strtoull(option
, NULL
, 10);
883 if (get_param_value(option
, 128, "threads", endptr
) != 0)
884 threads
= strtoull(option
, NULL
, 10);
885 if (get_param_value(option
, 128, "maxcpus", endptr
) != 0)
886 max_cpus
= strtoull(option
, NULL
, 10);
888 /* compute missing values, prefer sockets over cores over threads */
889 if (smp
== 0 || sockets
== 0) {
890 sockets
= sockets
> 0 ? sockets
: 1;
891 cores
= cores
> 0 ? cores
: 1;
892 threads
= threads
> 0 ? threads
: 1;
894 smp
= cores
* threads
* sockets
;
898 threads
= threads
> 0 ? threads
: 1;
899 cores
= smp
/ (sockets
* threads
);
901 threads
= smp
/ (cores
* sockets
);
905 smp_cores
= cores
> 0 ? cores
: 1;
906 smp_threads
= threads
> 0 ? threads
: 1;
911 /***********************************************************/
914 static int usb_device_add(const char *devname
)
917 USBDevice
*dev
= NULL
;
922 /* drivers with .usbdevice_name entry in USBDeviceInfo */
923 dev
= usbdevice_create(devname
);
929 /* only the linux version is qdev-ified, usb-bsd still needs this */
930 if (strstart(devname
, "host:", &p
)) {
931 dev
= usb_host_device_open(p
);
934 if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
935 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
936 bt_new_hci(qemu_find_bt_vlan(0)));
947 static int usb_device_del(const char *devname
)
952 if (strstart(devname
, "host:", &p
))
953 return usb_host_device_close(p
);
958 p
= strchr(devname
, '.');
961 bus_num
= strtoul(devname
, NULL
, 0);
962 addr
= strtoul(p
+ 1, NULL
, 0);
964 return usb_device_delete_addr(bus_num
, addr
);
967 static int usb_parse(const char *cmdline
)
970 r
= usb_device_add(cmdline
);
972 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
977 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
979 const char *devname
= qdict_get_str(qdict
, "devname");
980 if (usb_device_add(devname
) < 0) {
981 error_report("could not add USB device '%s'", devname
);
985 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
987 const char *devname
= qdict_get_str(qdict
, "devname");
988 if (usb_device_del(devname
) < 0) {
989 error_report("could not delete USB device '%s'", devname
);
993 /***********************************************************/
996 static struct pcmcia_socket_entry_s
{
997 PCMCIASocket
*socket
;
998 struct pcmcia_socket_entry_s
*next
;
999 } *pcmcia_sockets
= 0;
1001 void pcmcia_socket_register(PCMCIASocket
*socket
)
1003 struct pcmcia_socket_entry_s
*entry
;
1005 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
1006 entry
->socket
= socket
;
1007 entry
->next
= pcmcia_sockets
;
1008 pcmcia_sockets
= entry
;
1011 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1013 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1015 ptr
= &pcmcia_sockets
;
1016 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1017 if (entry
->socket
== socket
) {
1023 void pcmcia_info(Monitor
*mon
)
1025 struct pcmcia_socket_entry_s
*iter
;
1027 if (!pcmcia_sockets
)
1028 monitor_printf(mon
, "No PCMCIA sockets\n");
1030 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1031 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1032 iter
->socket
->attached
? iter
->socket
->card_string
:
1036 /***********************************************************/
1037 /* machine registration */
1039 static QEMUMachine
*first_machine
= NULL
;
1040 QEMUMachine
*current_machine
= NULL
;
1042 int qemu_register_machine(QEMUMachine
*m
)
1045 pm
= &first_machine
;
1053 static QEMUMachine
*find_machine(const char *name
)
1057 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1058 if (!strcmp(m
->name
, name
))
1060 if (m
->alias
&& !strcmp(m
->alias
, name
))
1066 static QEMUMachine
*find_default_machine(void)
1070 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1071 if (m
->is_default
) {
1078 /***********************************************************/
1079 /* main execution loop */
1081 static void gui_update(void *opaque
)
1083 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1084 DisplayState
*ds
= opaque
;
1085 DisplayChangeListener
*dcl
= ds
->listeners
;
1087 qemu_flush_coalesced_mmio_buffer();
1090 while (dcl
!= NULL
) {
1091 if (dcl
->gui_timer_interval
&&
1092 dcl
->gui_timer_interval
< interval
)
1093 interval
= dcl
->gui_timer_interval
;
1096 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1099 static void nographic_update(void *opaque
)
1101 uint64_t interval
= GUI_REFRESH_INTERVAL
;
1103 qemu_flush_coalesced_mmio_buffer();
1104 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock_ms(rt_clock
));
1107 struct vm_change_state_entry
{
1108 VMChangeStateHandler
*cb
;
1110 QLIST_ENTRY (vm_change_state_entry
) entries
;
1113 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1115 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1118 VMChangeStateEntry
*e
;
1120 e
= qemu_mallocz(sizeof (*e
));
1124 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1128 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1130 QLIST_REMOVE (e
, entries
);
1134 void vm_state_notify(int running
, int reason
)
1136 VMChangeStateEntry
*e
;
1138 trace_vm_state_notify(running
, reason
);
1140 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1141 e
->cb(e
->opaque
, running
, reason
);
1150 vm_state_notify(1, 0);
1152 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1156 /* reset/shutdown handler */
1158 typedef struct QEMUResetEntry
{
1159 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1160 QEMUResetHandler
*func
;
1164 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1165 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1166 static int reset_requested
;
1167 static int shutdown_requested
, shutdown_signal
= -1;
1168 static pid_t shutdown_pid
;
1169 static int powerdown_requested
;
1170 static int debug_requested
;
1171 static int vmstop_requested
;
1173 int qemu_shutdown_requested_get(void)
1175 return shutdown_requested
;
1178 int qemu_reset_requested_get(void)
1180 return reset_requested
;
1183 int qemu_shutdown_requested(void)
1185 int r
= shutdown_requested
;
1186 shutdown_requested
= 0;
1190 void qemu_kill_report(void)
1192 if (shutdown_signal
!= -1) {
1193 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1194 if (shutdown_pid
== 0) {
1195 /* This happens for eg ^C at the terminal, so it's worth
1196 * avoiding printing an odd message in that case.
1198 fputc('\n', stderr
);
1200 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1202 shutdown_signal
= -1;
1206 int qemu_reset_requested(void)
1208 int r
= reset_requested
;
1209 reset_requested
= 0;
1213 int qemu_powerdown_requested(void)
1215 int r
= powerdown_requested
;
1216 powerdown_requested
= 0;
1220 static int qemu_debug_requested(void)
1222 int r
= debug_requested
;
1223 debug_requested
= 0;
1227 static int qemu_vmstop_requested(void)
1229 int r
= vmstop_requested
;
1230 vmstop_requested
= 0;
1234 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1236 QEMUResetEntry
*re
= qemu_mallocz(sizeof(QEMUResetEntry
));
1239 re
->opaque
= opaque
;
1240 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1243 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1247 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1248 if (re
->func
== func
&& re
->opaque
== opaque
) {
1249 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1256 void qemu_system_reset(bool report
)
1258 QEMUResetEntry
*re
, *nre
;
1260 /* reset all devices */
1261 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1262 re
->func(re
->opaque
);
1265 monitor_protocol_event(QEVENT_RESET
, NULL
);
1267 cpu_synchronize_all_post_reset();
1270 void qemu_system_reset_request(void)
1273 shutdown_requested
= 1;
1275 reset_requested
= 1;
1278 qemu_notify_event();
1281 void qemu_system_killed(int signal
, pid_t pid
)
1283 shutdown_signal
= signal
;
1285 qemu_system_shutdown_request();
1288 void qemu_system_shutdown_request(void)
1290 shutdown_requested
= 1;
1291 qemu_notify_event();
1294 void qemu_system_powerdown_request(void)
1296 powerdown_requested
= 1;
1297 qemu_notify_event();
1300 void qemu_system_debug_request(void)
1302 debug_requested
= 1;
1303 qemu_notify_event();
1306 void qemu_system_vmstop_request(int reason
)
1308 vmstop_requested
= reason
;
1309 qemu_notify_event();
1312 void main_loop_wait(int nonblocking
)
1314 fd_set rfds
, wfds
, xfds
;
1322 timeout
= qemu_calculate_timeout();
1323 qemu_bh_update_timeout(&timeout
);
1326 os_host_main_loop_wait(&timeout
);
1328 tv
.tv_sec
= timeout
/ 1000;
1329 tv
.tv_usec
= (timeout
% 1000) * 1000;
1331 /* poll any events */
1332 /* XXX: separate device handlers from system ones */
1337 qemu_iohandler_fill(&nfds
, &rfds
, &wfds
, &xfds
);
1338 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
1340 qemu_mutex_unlock_iothread();
1341 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
1342 qemu_mutex_lock_iothread();
1344 qemu_iohandler_poll(&rfds
, &wfds
, &xfds
, ret
);
1345 slirp_select_poll(&rfds
, &wfds
, &xfds
, (ret
< 0));
1347 qemu_run_all_timers();
1349 /* Check bottom-halves last in case any of the earlier events triggered
1355 #ifndef CONFIG_IOTHREAD
1356 static int vm_request_pending(void)
1358 return powerdown_requested
||
1360 shutdown_requested
||
1366 qemu_irq qemu_system_powerdown
;
1368 static void main_loop(void)
1370 bool nonblocking
= false;
1371 #ifdef CONFIG_PROFILER
1376 qemu_main_loop_start();
1379 #ifndef CONFIG_IOTHREAD
1380 nonblocking
= cpu_exec_all();
1381 if (vm_request_pending()) {
1385 #ifdef CONFIG_PROFILER
1386 ti
= profile_getclock();
1388 main_loop_wait(nonblocking
);
1389 #ifdef CONFIG_PROFILER
1390 dev_time
+= profile_getclock() - ti
;
1393 if (qemu_debug_requested()) {
1394 vm_stop(VMSTOP_DEBUG
);
1396 if (qemu_shutdown_requested()) {
1398 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1400 vm_stop(VMSTOP_SHUTDOWN
);
1404 if (qemu_reset_requested()) {
1406 cpu_synchronize_all_states();
1407 qemu_system_reset(VMRESET_REPORT
);
1410 if (qemu_powerdown_requested()) {
1411 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1412 qemu_irq_raise(qemu_system_powerdown
);
1414 if ((r
= qemu_vmstop_requested())) {
1422 static void version(void)
1424 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
1427 static void help(int exitcode
)
1429 const char *options_help
=
1430 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1432 #define DEFHEADING(text) stringify(text) "\n"
1433 #include "qemu-options.def"
1439 printf("usage: %s [options] [disk_image]\n"
1441 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1444 "During emulation, the following keys are useful:\n"
1445 "ctrl-alt-f toggle full screen\n"
1446 "ctrl-alt-n switch to virtual console 'n'\n"
1447 "ctrl-alt toggle mouse and keyboard grab\n"
1449 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1455 #define HAS_ARG 0x0001
1457 typedef struct QEMUOption
{
1464 static const QEMUOption qemu_options
[] = {
1465 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1466 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1467 { option, opt_arg, opt_enum, arch_mask },
1468 #define DEFHEADING(text)
1469 #include "qemu-options.def"
1475 static void select_vgahw (const char *p
)
1480 vga_interface_type
= VGA_NONE
;
1481 if (strstart(p
, "std", &opts
)) {
1482 vga_interface_type
= VGA_STD
;
1483 } else if (strstart(p
, "cirrus", &opts
)) {
1484 vga_interface_type
= VGA_CIRRUS
;
1485 } else if (strstart(p
, "vmware", &opts
)) {
1486 vga_interface_type
= VGA_VMWARE
;
1487 } else if (strstart(p
, "xenfb", &opts
)) {
1488 vga_interface_type
= VGA_XENFB
;
1489 } else if (strstart(p
, "qxl", &opts
)) {
1490 vga_interface_type
= VGA_QXL
;
1491 } else if (!strstart(p
, "none", &opts
)) {
1493 fprintf(stderr
, "Unknown vga type: %s\n", p
);
1497 const char *nextopt
;
1499 if (strstart(opts
, ",retrace=", &nextopt
)) {
1501 if (strstart(opts
, "dumb", &nextopt
))
1502 vga_retrace_method
= VGA_RETRACE_DUMB
;
1503 else if (strstart(opts
, "precise", &nextopt
))
1504 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1505 else goto invalid_vga
;
1506 } else goto invalid_vga
;
1511 static DisplayType
select_display(const char *p
)
1514 DisplayType display
= DT_DEFAULT
;
1516 if (strstart(p
, "sdl", &opts
)) {
1520 const char *nextopt
;
1522 if (strstart(opts
, ",frame=", &nextopt
)) {
1524 if (strstart(opts
, "on", &nextopt
)) {
1526 } else if (strstart(opts
, "off", &nextopt
)) {
1529 goto invalid_sdl_args
;
1531 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
1533 if (strstart(opts
, "on", &nextopt
)) {
1535 } else if (strstart(opts
, "off", &nextopt
)) {
1538 goto invalid_sdl_args
;
1540 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
1542 if (strstart(opts
, "on", &nextopt
)) {
1544 } else if (strstart(opts
, "off", &nextopt
)) {
1547 goto invalid_sdl_args
;
1549 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
1551 if (strstart(opts
, "on", &nextopt
)) {
1553 } else if (strstart(opts
, "off", &nextopt
)) {
1556 goto invalid_sdl_args
;
1560 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
1566 fprintf(stderr
, "SDL support is disabled\n");
1569 } else if (strstart(p
, "vnc", &opts
)) {
1574 const char *nextopt
;
1576 if (strstart(opts
, "=", &nextopt
)) {
1577 vnc_display
= nextopt
;
1581 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
1585 fprintf(stderr
, "VNC support is disabled\n");
1588 } else if (strstart(p
, "curses", &opts
)) {
1589 #ifdef CONFIG_CURSES
1590 display
= DT_CURSES
;
1592 fprintf(stderr
, "Curses support is disabled\n");
1595 } else if (strstart(p
, "none", &opts
)) {
1598 fprintf(stderr
, "Unknown display type: %s\n", p
);
1605 static int balloon_parse(const char *arg
)
1609 if (strcmp(arg
, "none") == 0) {
1613 if (!strncmp(arg
, "virtio", 6)) {
1614 if (arg
[6] == ',') {
1615 /* have params -> parse them */
1616 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
1620 /* create empty opts */
1621 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
1623 qemu_opt_set(opts
, "driver", "virtio-balloon");
1630 char *qemu_find_file(int type
, const char *name
)
1636 /* If name contains path separators then try it as a straight path. */
1637 if ((strchr(name
, '/') || strchr(name
, '\\'))
1638 && access(name
, R_OK
) == 0) {
1639 return qemu_strdup(name
);
1642 case QEMU_FILE_TYPE_BIOS
:
1645 case QEMU_FILE_TYPE_KEYMAP
:
1646 subdir
= "keymaps/";
1651 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
1652 buf
= qemu_mallocz(len
);
1653 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
1654 if (access(buf
, R_OK
)) {
1661 static int device_help_func(QemuOpts
*opts
, void *opaque
)
1663 return qdev_device_help(opts
);
1666 static int device_init_func(QemuOpts
*opts
, void *opaque
)
1670 dev
= qdev_device_add(opts
);
1676 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
1678 CharDriverState
*chr
;
1680 chr
= qemu_chr_open_opts(opts
, NULL
);
1686 #ifdef CONFIG_VIRTFS
1687 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
1690 ret
= qemu_fsdev_add(opts
);
1696 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
1698 CharDriverState
*chr
;
1699 const char *chardev
;
1703 mode
= qemu_opt_get(opts
, "mode");
1707 if (strcmp(mode
, "readline") == 0) {
1708 flags
= MONITOR_USE_READLINE
;
1709 } else if (strcmp(mode
, "control") == 0) {
1710 flags
= MONITOR_USE_CONTROL
;
1712 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
1716 if (qemu_opt_get_bool(opts
, "pretty", 0))
1717 flags
|= MONITOR_USE_PRETTY
;
1719 if (qemu_opt_get_bool(opts
, "default", 0))
1720 flags
|= MONITOR_IS_DEFAULT
;
1722 chardev
= qemu_opt_get(opts
, "chardev");
1723 chr
= qemu_chr_find(chardev
);
1725 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
1729 monitor_init(chr
, flags
);
1733 static void monitor_parse(const char *optarg
, const char *mode
)
1735 static int monitor_device_index
= 0;
1741 if (strstart(optarg
, "chardev:", &p
)) {
1742 snprintf(label
, sizeof(label
), "%s", p
);
1744 snprintf(label
, sizeof(label
), "compat_monitor%d",
1745 monitor_device_index
);
1746 if (monitor_device_index
== 0) {
1749 opts
= qemu_chr_parse_compat(label
, optarg
);
1751 fprintf(stderr
, "parse error: %s\n", optarg
);
1756 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1);
1758 fprintf(stderr
, "duplicate chardev: %s\n", label
);
1761 qemu_opt_set(opts
, "mode", mode
);
1762 qemu_opt_set(opts
, "chardev", label
);
1764 qemu_opt_set(opts
, "default", "on");
1765 monitor_device_index
++;
1768 struct device_config
{
1770 DEV_USB
, /* -usbdevice */
1772 DEV_SERIAL
, /* -serial */
1773 DEV_PARALLEL
, /* -parallel */
1774 DEV_VIRTCON
, /* -virtioconsole */
1775 DEV_DEBUGCON
, /* -debugcon */
1777 const char *cmdline
;
1778 QTAILQ_ENTRY(device_config
) next
;
1780 QTAILQ_HEAD(, device_config
) device_configs
= QTAILQ_HEAD_INITIALIZER(device_configs
);
1782 static void add_device_config(int type
, const char *cmdline
)
1784 struct device_config
*conf
;
1786 conf
= qemu_mallocz(sizeof(*conf
));
1788 conf
->cmdline
= cmdline
;
1789 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
1792 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
1794 struct device_config
*conf
;
1797 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
1798 if (conf
->type
!= type
)
1800 rc
= func(conf
->cmdline
);
1807 static int serial_parse(const char *devname
)
1809 static int index
= 0;
1812 if (strcmp(devname
, "none") == 0)
1814 if (index
== MAX_SERIAL_PORTS
) {
1815 fprintf(stderr
, "qemu: too many serial ports\n");
1818 snprintf(label
, sizeof(label
), "serial%d", index
);
1819 serial_hds
[index
] = qemu_chr_open(label
, devname
, NULL
);
1820 if (!serial_hds
[index
]) {
1821 fprintf(stderr
, "qemu: could not open serial device '%s': %s\n",
1822 devname
, strerror(errno
));
1829 static int parallel_parse(const char *devname
)
1831 static int index
= 0;
1834 if (strcmp(devname
, "none") == 0)
1836 if (index
== MAX_PARALLEL_PORTS
) {
1837 fprintf(stderr
, "qemu: too many parallel ports\n");
1840 snprintf(label
, sizeof(label
), "parallel%d", index
);
1841 parallel_hds
[index
] = qemu_chr_open(label
, devname
, NULL
);
1842 if (!parallel_hds
[index
]) {
1843 fprintf(stderr
, "qemu: could not open parallel device '%s': %s\n",
1844 devname
, strerror(errno
));
1851 static int virtcon_parse(const char *devname
)
1853 QemuOptsList
*device
= qemu_find_opts("device");
1854 static int index
= 0;
1856 QemuOpts
*bus_opts
, *dev_opts
;
1858 if (strcmp(devname
, "none") == 0)
1860 if (index
== MAX_VIRTIO_CONSOLES
) {
1861 fprintf(stderr
, "qemu: too many virtio consoles\n");
1865 bus_opts
= qemu_opts_create(device
, NULL
, 0);
1866 qemu_opt_set(bus_opts
, "driver", "virtio-serial");
1868 dev_opts
= qemu_opts_create(device
, NULL
, 0);
1869 qemu_opt_set(dev_opts
, "driver", "virtconsole");
1871 snprintf(label
, sizeof(label
), "virtcon%d", index
);
1872 virtcon_hds
[index
] = qemu_chr_open(label
, devname
, NULL
);
1873 if (!virtcon_hds
[index
]) {
1874 fprintf(stderr
, "qemu: could not open virtio console '%s': %s\n",
1875 devname
, strerror(errno
));
1878 qemu_opt_set(dev_opts
, "chardev", label
);
1884 static int debugcon_parse(const char *devname
)
1888 if (!qemu_chr_open("debugcon", devname
, NULL
)) {
1891 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1893 fprintf(stderr
, "qemu: already have a debugcon device\n");
1896 qemu_opt_set(opts
, "driver", "isa-debugcon");
1897 qemu_opt_set(opts
, "chardev", "debugcon");
1901 static QEMUMachine
*machine_parse(const char *name
)
1903 QEMUMachine
*m
, *machine
= NULL
;
1906 machine
= find_machine(name
);
1911 printf("Supported machines are:\n");
1912 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1914 printf("%-10s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
1916 printf("%-10s %s%s\n", m
->name
, m
->desc
,
1917 m
->is_default
? " (default)" : "");
1919 exit(!name
|| *name
!= '?');
1922 static int tcg_init(void)
1928 const char *opt_name
;
1930 int (*available
)(void);
1934 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
1935 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
1936 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
1939 static int configure_accelerator(void)
1941 const char *p
= NULL
;
1944 bool accel_initalised
= 0;
1945 bool init_failed
= 0;
1947 QemuOptsList
*list
= qemu_find_opts("machine");
1948 if (!QTAILQ_EMPTY(&list
->head
)) {
1949 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
1953 /* Use the default "accelerator", tcg */
1957 while (!accel_initalised
&& *p
!= '\0') {
1961 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
1962 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
1963 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
1964 *(accel_list
[i
].allowed
) = 1;
1965 ret
= accel_list
[i
].init();
1968 if (!accel_list
[i
].available()) {
1969 printf("%s not supported for this target\n",
1970 accel_list
[i
].name
);
1972 fprintf(stderr
, "failed to initialize %s: %s\n",
1976 *(accel_list
[i
].allowed
) = 0;
1978 accel_initalised
= 1;
1983 if (i
== ARRAY_SIZE(accel_list
)) {
1984 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
1988 if (!accel_initalised
) {
1989 fprintf(stderr
, "No accelerator found!\n");
1994 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
1997 return !accel_initalised
;
2000 void qemu_add_exit_notifier(Notifier
*notify
)
2002 notifier_list_add(&exit_notifiers
, notify
);
2005 void qemu_remove_exit_notifier(Notifier
*notify
)
2007 notifier_list_remove(&exit_notifiers
, notify
);
2010 static void qemu_run_exit_notifiers(void)
2012 notifier_list_notify(&exit_notifiers
);
2015 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2017 notifier_list_add(&machine_init_done_notifiers
, notify
);
2020 static void qemu_run_machine_init_done_notifiers(void)
2022 notifier_list_notify(&machine_init_done_notifiers
);
2025 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2026 const char **poptarg
, int *poptind
)
2028 const QEMUOption
*popt
;
2029 int optind
= *poptind
;
2030 char *r
= argv
[optind
];
2033 loc_set_cmdline(argv
, optind
, 1);
2035 /* Treat --foo the same as -foo. */
2038 popt
= qemu_options
;
2041 error_report("invalid option");
2044 if (!strcmp(popt
->name
, r
+ 1))
2048 if (popt
->flags
& HAS_ARG
) {
2049 if (optind
>= argc
) {
2050 error_report("requires an argument");
2053 optarg
= argv
[optind
++];
2054 loc_set_cmdline(argv
, optind
- 2, 2);
2065 int main(int argc
, char **argv
, char **envp
)
2067 const char *gdbstub_dev
= NULL
;
2069 int snapshot
, linux_boot
;
2070 const char *icount_option
= NULL
;
2071 const char *initrd_filename
;
2072 const char *kernel_filename
, *kernel_cmdline
;
2073 char boot_devices
[33] = "cad"; /* default to HD->floppy->CD-ROM */
2075 DisplayChangeListener
*dcl
;
2076 int cyls
, heads
, secs
, translation
;
2077 QemuOpts
*hda_opts
= NULL
, *opts
;
2078 QemuOptsList
*olist
;
2081 const char *loadvm
= NULL
;
2082 QEMUMachine
*machine
;
2083 const char *cpu_model
;
2085 const char *pid_file
= NULL
;
2086 const char *incoming
= NULL
;
2088 int show_vnc_port
= 0;
2091 const char *trace_file
= NULL
;
2092 const char *log_mask
= NULL
;
2093 const char *log_file
= NULL
;
2095 atexit(qemu_run_exit_notifiers
);
2096 error_set_progname(argv
[0]);
2100 qemu_cache_utils_init(envp
);
2102 QLIST_INIT (&vm_change_state_head
);
2103 os_setup_early_signal_handling();
2105 module_call_init(MODULE_INIT_MACHINE
);
2106 machine
= find_default_machine();
2108 initrd_filename
= NULL
;
2111 kernel_filename
= NULL
;
2112 kernel_cmdline
= "";
2113 cyls
= heads
= secs
= 0;
2114 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2116 for (i
= 0; i
< MAX_NODES
; i
++) {
2118 node_cpumask
[i
] = 0;
2127 /* first pass of option parsing */
2129 while (optind
< argc
) {
2130 if (argv
[optind
][0] != '-') {
2135 const QEMUOption
*popt
;
2137 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2138 switch (popt
->index
) {
2139 case QEMU_OPTION_nodefconfig
:
2149 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2150 if (ret
< 0 && ret
!= -ENOENT
) {
2154 ret
= qemu_read_config_file(arch_config_name
);
2155 if (ret
< 0 && ret
!= -ENOENT
) {
2161 /* second pass of option parsing */
2166 if (argv
[optind
][0] != '-') {
2167 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2169 const QEMUOption
*popt
;
2171 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2172 if (!(popt
->arch_mask
& arch_type
)) {
2173 printf("Option %s not supported for this target\n", popt
->name
);
2176 switch(popt
->index
) {
2178 machine
= machine_parse(optarg
);
2180 case QEMU_OPTION_cpu
:
2181 /* hw initialization will check this */
2182 if (*optarg
== '?') {
2183 list_cpus(stdout
, &fprintf
, optarg
);
2189 case QEMU_OPTION_initrd
:
2190 initrd_filename
= optarg
;
2192 case QEMU_OPTION_hda
:
2196 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
2198 snprintf(buf
, sizeof(buf
),
2199 "%s,cyls=%d,heads=%d,secs=%d%s",
2200 HD_OPTS
, cyls
, heads
, secs
,
2201 translation
== BIOS_ATA_TRANSLATION_LBA
?
2203 translation
== BIOS_ATA_TRANSLATION_NONE
?
2204 ",trans=none" : "");
2205 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
2208 case QEMU_OPTION_hdb
:
2209 case QEMU_OPTION_hdc
:
2210 case QEMU_OPTION_hdd
:
2211 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2214 case QEMU_OPTION_drive
:
2215 if (drive_def(optarg
) == NULL
) {
2219 case QEMU_OPTION_set
:
2220 if (qemu_set_option(optarg
) != 0)
2223 case QEMU_OPTION_global
:
2224 if (qemu_global_option(optarg
) != 0)
2227 case QEMU_OPTION_mtdblock
:
2228 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
2230 case QEMU_OPTION_sd
:
2231 drive_add(IF_SD
, 0, optarg
, SD_OPTS
);
2233 case QEMU_OPTION_pflash
:
2234 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
2236 case QEMU_OPTION_snapshot
:
2239 case QEMU_OPTION_hdachs
:
2243 cyls
= strtol(p
, (char **)&p
, 0);
2244 if (cyls
< 1 || cyls
> 16383)
2249 heads
= strtol(p
, (char **)&p
, 0);
2250 if (heads
< 1 || heads
> 16)
2255 secs
= strtol(p
, (char **)&p
, 0);
2256 if (secs
< 1 || secs
> 63)
2260 if (!strcmp(p
, "none"))
2261 translation
= BIOS_ATA_TRANSLATION_NONE
;
2262 else if (!strcmp(p
, "lba"))
2263 translation
= BIOS_ATA_TRANSLATION_LBA
;
2264 else if (!strcmp(p
, "auto"))
2265 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2268 } else if (*p
!= '\0') {
2270 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2273 if (hda_opts
!= NULL
) {
2275 snprintf(num
, sizeof(num
), "%d", cyls
);
2276 qemu_opt_set(hda_opts
, "cyls", num
);
2277 snprintf(num
, sizeof(num
), "%d", heads
);
2278 qemu_opt_set(hda_opts
, "heads", num
);
2279 snprintf(num
, sizeof(num
), "%d", secs
);
2280 qemu_opt_set(hda_opts
, "secs", num
);
2281 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
2282 qemu_opt_set(hda_opts
, "trans", "lba");
2283 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
2284 qemu_opt_set(hda_opts
, "trans", "none");
2288 case QEMU_OPTION_numa
:
2289 if (nb_numa_nodes
>= MAX_NODES
) {
2290 fprintf(stderr
, "qemu: too many NUMA nodes\n");
2295 case QEMU_OPTION_display
:
2296 display_type
= select_display(optarg
);
2298 case QEMU_OPTION_nographic
:
2299 display_type
= DT_NOGRAPHIC
;
2301 case QEMU_OPTION_curses
:
2302 #ifdef CONFIG_CURSES
2303 display_type
= DT_CURSES
;
2305 fprintf(stderr
, "Curses support is disabled\n");
2309 case QEMU_OPTION_portrait
:
2310 graphic_rotate
= 90;
2312 case QEMU_OPTION_rotate
:
2313 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
2314 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
2315 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
2317 "qemu: only 90, 180, 270 deg rotation is available\n");
2321 case QEMU_OPTION_kernel
:
2322 kernel_filename
= optarg
;
2324 case QEMU_OPTION_append
:
2325 kernel_cmdline
= optarg
;
2327 case QEMU_OPTION_cdrom
:
2328 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
2330 case QEMU_OPTION_boot
:
2332 static const char * const params
[] = {
2333 "order", "once", "menu", NULL
2335 char buf
[sizeof(boot_devices
)];
2336 char *standard_boot_devices
;
2339 if (!strchr(optarg
, '=')) {
2341 pstrcpy(buf
, sizeof(buf
), optarg
);
2342 } else if (check_params(buf
, sizeof(buf
), params
, optarg
) < 0) {
2344 "qemu: unknown boot parameter '%s' in '%s'\n",
2350 get_param_value(buf
, sizeof(buf
), "order", optarg
)) {
2351 validate_bootdevices(buf
);
2352 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2355 if (get_param_value(buf
, sizeof(buf
),
2357 validate_bootdevices(buf
);
2358 standard_boot_devices
= qemu_strdup(boot_devices
);
2359 pstrcpy(boot_devices
, sizeof(boot_devices
), buf
);
2360 qemu_register_reset(restore_boot_devices
,
2361 standard_boot_devices
);
2363 if (get_param_value(buf
, sizeof(buf
),
2365 if (!strcmp(buf
, "on")) {
2367 } else if (!strcmp(buf
, "off")) {
2371 "qemu: invalid option value '%s'\n",
2379 case QEMU_OPTION_fda
:
2380 case QEMU_OPTION_fdb
:
2381 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
2384 case QEMU_OPTION_no_fd_bootchk
:
2387 case QEMU_OPTION_netdev
:
2388 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
2392 case QEMU_OPTION_net
:
2393 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
2398 case QEMU_OPTION_tftp
:
2399 legacy_tftp_prefix
= optarg
;
2401 case QEMU_OPTION_bootp
:
2402 legacy_bootp_filename
= optarg
;
2404 case QEMU_OPTION_redir
:
2405 if (net_slirp_redir(optarg
) < 0)
2409 case QEMU_OPTION_bt
:
2410 add_device_config(DEV_BT
, optarg
);
2412 case QEMU_OPTION_audio_help
:
2413 if (!(audio_available())) {
2414 printf("Option %s not supported for this target\n", popt
->name
);
2420 case QEMU_OPTION_soundhw
:
2421 if (!(audio_available())) {
2422 printf("Option %s not supported for this target\n", popt
->name
);
2425 select_soundhw (optarg
);
2430 case QEMU_OPTION_version
:
2434 case QEMU_OPTION_m
: {
2437 value
= strtosz(optarg
, NULL
);
2439 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
2443 /* On 32-bit hosts, QEMU is limited by virtual address space */
2444 if (value
> (2047 << 20) && HOST_LONG_BITS
== 32) {
2445 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
2448 if (value
!= (uint64_t)(ram_addr_t
)value
) {
2449 fprintf(stderr
, "qemu: ram size too large\n");
2455 case QEMU_OPTION_mempath
:
2459 case QEMU_OPTION_mem_prealloc
:
2470 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
2472 case QEMU_OPTION_gdb
:
2473 gdbstub_dev
= optarg
;
2478 case QEMU_OPTION_bios
:
2481 case QEMU_OPTION_singlestep
:
2488 keyboard_layout
= optarg
;
2490 case QEMU_OPTION_localtime
:
2493 case QEMU_OPTION_vga
:
2494 select_vgahw (optarg
);
2501 w
= strtol(p
, (char **)&p
, 10);
2504 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2510 h
= strtol(p
, (char **)&p
, 10);
2515 depth
= strtol(p
, (char **)&p
, 10);
2516 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2517 depth
!= 24 && depth
!= 32)
2519 } else if (*p
== '\0') {
2520 depth
= graphic_depth
;
2527 graphic_depth
= depth
;
2530 case QEMU_OPTION_echr
:
2533 term_escape_char
= strtol(optarg
, &r
, 0);
2535 printf("Bad argument to echr\n");
2538 case QEMU_OPTION_monitor
:
2539 monitor_parse(optarg
, "readline");
2540 default_monitor
= 0;
2542 case QEMU_OPTION_qmp
:
2543 monitor_parse(optarg
, "control");
2544 default_monitor
= 0;
2546 case QEMU_OPTION_mon
:
2547 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
2551 default_monitor
= 0;
2553 case QEMU_OPTION_chardev
:
2554 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
2559 case QEMU_OPTION_fsdev
:
2560 olist
= qemu_find_opts("fsdev");
2562 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
2565 opts
= qemu_opts_parse(olist
, optarg
, 1);
2567 fprintf(stderr
, "parse error: %s\n", optarg
);
2571 case QEMU_OPTION_virtfs
: {
2575 olist
= qemu_find_opts("virtfs");
2577 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
2580 opts
= qemu_opts_parse(olist
, optarg
, 1);
2582 fprintf(stderr
, "parse error: %s\n", optarg
);
2586 if (qemu_opt_get(opts
, "fstype") == NULL
||
2587 qemu_opt_get(opts
, "mount_tag") == NULL
||
2588 qemu_opt_get(opts
, "path") == NULL
||
2589 qemu_opt_get(opts
, "security_model") == NULL
) {
2590 fprintf(stderr
, "Usage: -virtfs fstype,path=/share_path/,"
2591 "security_model=[mapped|passthrough|none],"
2592 "mount_tag=tag.\n");
2596 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
2597 qemu_opt_get(opts
, "mount_tag"), 1);
2599 fprintf(stderr
, "duplicate fsdev id: %s\n",
2600 qemu_opt_get(opts
, "mount_tag"));
2603 qemu_opt_set(fsdev
, "fstype", qemu_opt_get(opts
, "fstype"));
2604 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
2605 qemu_opt_set(fsdev
, "security_model",
2606 qemu_opt_get(opts
, "security_model"));
2608 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0);
2609 qemu_opt_set(device
, "driver", "virtio-9p-pci");
2610 qemu_opt_set(device
, "fsdev",
2611 qemu_opt_get(opts
, "mount_tag"));
2612 qemu_opt_set(device
, "mount_tag",
2613 qemu_opt_get(opts
, "mount_tag"));
2616 case QEMU_OPTION_serial
:
2617 add_device_config(DEV_SERIAL
, optarg
);
2619 if (strncmp(optarg
, "mon:", 4) == 0) {
2620 default_monitor
= 0;
2623 case QEMU_OPTION_watchdog
:
2626 "qemu: only one watchdog option may be given\n");
2631 case QEMU_OPTION_watchdog_action
:
2632 if (select_watchdog_action(optarg
) == -1) {
2633 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
2637 case QEMU_OPTION_virtiocon
:
2638 add_device_config(DEV_VIRTCON
, optarg
);
2639 default_virtcon
= 0;
2640 if (strncmp(optarg
, "mon:", 4) == 0) {
2641 default_monitor
= 0;
2644 case QEMU_OPTION_parallel
:
2645 add_device_config(DEV_PARALLEL
, optarg
);
2646 default_parallel
= 0;
2647 if (strncmp(optarg
, "mon:", 4) == 0) {
2648 default_monitor
= 0;
2651 case QEMU_OPTION_debugcon
:
2652 add_device_config(DEV_DEBUGCON
, optarg
);
2654 case QEMU_OPTION_loadvm
:
2657 case QEMU_OPTION_full_screen
:
2661 case QEMU_OPTION_no_frame
:
2664 case QEMU_OPTION_alt_grab
:
2667 case QEMU_OPTION_ctrl_grab
:
2670 case QEMU_OPTION_no_quit
:
2673 case QEMU_OPTION_sdl
:
2674 display_type
= DT_SDL
;
2677 case QEMU_OPTION_no_frame
:
2678 case QEMU_OPTION_alt_grab
:
2679 case QEMU_OPTION_ctrl_grab
:
2680 case QEMU_OPTION_no_quit
:
2681 case QEMU_OPTION_sdl
:
2682 fprintf(stderr
, "SDL support is disabled\n");
2685 case QEMU_OPTION_pidfile
:
2688 case QEMU_OPTION_win2k_hack
:
2689 win2k_install_hack
= 1;
2691 case QEMU_OPTION_rtc_td_hack
:
2694 case QEMU_OPTION_acpitable
:
2695 do_acpitable_option(optarg
);
2697 case QEMU_OPTION_smbios
:
2698 do_smbios_option(optarg
);
2700 case QEMU_OPTION_enable_kvm
:
2701 olist
= qemu_find_opts("machine");
2702 qemu_opts_reset(olist
);
2703 qemu_opts_parse(olist
, "accel=kvm", 0);
2705 case QEMU_OPTION_machine
:
2706 olist
= qemu_find_opts("machine");
2707 qemu_opts_reset(olist
);
2708 opts
= qemu_opts_parse(olist
, optarg
, 1);
2710 fprintf(stderr
, "parse error: %s\n", optarg
);
2713 machine
= machine_parse(qemu_opt_get(opts
, "type"));
2715 case QEMU_OPTION_usb
:
2718 case QEMU_OPTION_usbdevice
:
2720 add_device_config(DEV_USB
, optarg
);
2722 case QEMU_OPTION_device
:
2723 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
2727 case QEMU_OPTION_smp
:
2730 fprintf(stderr
, "Invalid number of CPUs\n");
2733 if (max_cpus
< smp_cpus
) {
2734 fprintf(stderr
, "maxcpus must be equal to or greater than "
2738 if (max_cpus
> 255) {
2739 fprintf(stderr
, "Unsupported number of maxcpus\n");
2743 case QEMU_OPTION_vnc
:
2746 vnc_display
= optarg
;
2748 fprintf(stderr
, "VNC support is disabled\n");
2752 case QEMU_OPTION_no_acpi
:
2755 case QEMU_OPTION_no_hpet
:
2758 case QEMU_OPTION_balloon
:
2759 if (balloon_parse(optarg
) < 0) {
2760 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
2764 case QEMU_OPTION_no_reboot
:
2767 case QEMU_OPTION_no_shutdown
:
2770 case QEMU_OPTION_show_cursor
:
2773 case QEMU_OPTION_uuid
:
2774 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
2775 fprintf(stderr
, "Fail to parse UUID string."
2776 " Wrong format.\n");
2780 case QEMU_OPTION_option_rom
:
2781 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
2782 fprintf(stderr
, "Too many option ROMs\n");
2785 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
2786 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
2787 option_rom
[nb_option_roms
].bootindex
=
2788 qemu_opt_get_number(opts
, "bootindex", -1);
2789 if (!option_rom
[nb_option_roms
].name
) {
2790 fprintf(stderr
, "Option ROM file is not specified\n");
2795 case QEMU_OPTION_semihosting
:
2796 semihosting_enabled
= 1;
2798 case QEMU_OPTION_name
:
2799 qemu_name
= qemu_strdup(optarg
);
2801 char *p
= strchr(qemu_name
, ',');
2804 if (strncmp(p
, "process=", 8)) {
2805 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
2809 os_set_proc_name(p
);
2813 case QEMU_OPTION_prom_env
:
2814 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
2815 fprintf(stderr
, "Too many prom variables\n");
2818 prom_envs
[nb_prom_envs
] = optarg
;
2821 case QEMU_OPTION_old_param
:
2824 case QEMU_OPTION_clock
:
2825 configure_alarms(optarg
);
2827 case QEMU_OPTION_startdate
:
2828 configure_rtc_date_offset(optarg
, 1);
2830 case QEMU_OPTION_rtc
:
2831 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
2835 configure_rtc(opts
);
2837 case QEMU_OPTION_tb_size
:
2838 tb_size
= strtol(optarg
, NULL
, 0);
2842 case QEMU_OPTION_icount
:
2843 icount_option
= optarg
;
2845 case QEMU_OPTION_incoming
:
2847 incoming_expected
= true;
2849 case QEMU_OPTION_nodefaults
:
2851 default_parallel
= 0;
2852 default_virtcon
= 0;
2853 default_monitor
= 0;
2860 case QEMU_OPTION_xen_domid
:
2861 if (!(xen_available())) {
2862 printf("Option %s not supported for this target\n", popt
->name
);
2865 xen_domid
= atoi(optarg
);
2867 case QEMU_OPTION_xen_create
:
2868 if (!(xen_available())) {
2869 printf("Option %s not supported for this target\n", popt
->name
);
2872 xen_mode
= XEN_CREATE
;
2874 case QEMU_OPTION_xen_attach
:
2875 if (!(xen_available())) {
2876 printf("Option %s not supported for this target\n", popt
->name
);
2879 xen_mode
= XEN_ATTACH
;
2881 #ifdef CONFIG_SIMPLE_TRACE
2882 case QEMU_OPTION_trace
:
2883 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
2885 trace_file
= qemu_opt_get(opts
, "file");
2889 case QEMU_OPTION_readconfig
:
2891 int ret
= qemu_read_config_file(optarg
);
2893 fprintf(stderr
, "read config %s: %s\n", optarg
,
2899 case QEMU_OPTION_spice
:
2900 olist
= qemu_find_opts("spice");
2902 fprintf(stderr
, "spice is not supported by this qemu build.\n");
2905 opts
= qemu_opts_parse(olist
, optarg
, 0);
2907 fprintf(stderr
, "parse error: %s\n", optarg
);
2911 case QEMU_OPTION_writeconfig
:
2914 if (strcmp(optarg
, "-") == 0) {
2917 fp
= fopen(optarg
, "w");
2919 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
2923 qemu_config_write(fp
);
2928 os_parse_cmd_args(popt
->index
, optarg
);
2934 /* Open the logfile at this point, if necessary. We can't open the logfile
2935 * when encountering either of the logging options (-d or -D) because the
2936 * other one may be encountered later on the command line, changing the
2937 * location or level of logging.
2941 set_cpu_log_filename(log_file
);
2943 set_cpu_log(log_mask
);
2946 if (!st_init(trace_file
)) {
2947 fprintf(stderr
, "warning: unable to initialize simple trace backend\n");
2950 /* If no data_dir is specified then try to find it relative to the
2953 data_dir
= os_find_datadir(argv
[0]);
2955 /* If all else fails use the install patch specified when building. */
2957 data_dir
= CONFIG_QEMU_DATADIR
;
2961 * Default to max_cpus = smp_cpus, in case the user doesn't
2962 * specify a max_cpus value.
2965 max_cpus
= smp_cpus
;
2967 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
2968 if (smp_cpus
> machine
->max_cpus
) {
2969 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
2970 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
2976 * Get the default machine options from the machine if it is not already
2977 * specified either by the configuration file or by the command line.
2979 if (machine
->default_machine_opts
) {
2980 QemuOptsList
*list
= qemu_find_opts("machine");
2981 const char *p
= NULL
;
2983 if (!QTAILQ_EMPTY(&list
->head
)) {
2984 p
= qemu_opt_get(QTAILQ_FIRST(&list
->head
), "accel");
2987 qemu_opts_reset(list
);
2988 opts
= qemu_opts_parse(list
, machine
->default_machine_opts
, 0);
2990 fprintf(stderr
, "parse error for machine %s: %s\n",
2991 machine
->name
, machine
->default_machine_opts
);
2997 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
2998 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3000 if (machine
->no_serial
) {
3003 if (machine
->no_parallel
) {
3004 default_parallel
= 0;
3006 if (!machine
->use_virtcon
) {
3007 default_virtcon
= 0;
3009 if (machine
->no_vga
) {
3012 if (machine
->no_floppy
) {
3015 if (machine
->no_cdrom
) {
3018 if (machine
->no_sdcard
) {
3022 if (display_type
== DT_NOGRAPHIC
) {
3023 if (default_parallel
)
3024 add_device_config(DEV_PARALLEL
, "null");
3025 if (default_serial
&& default_monitor
) {
3026 add_device_config(DEV_SERIAL
, "mon:stdio");
3027 } else if (default_virtcon
&& default_monitor
) {
3028 add_device_config(DEV_VIRTCON
, "mon:stdio");
3031 add_device_config(DEV_SERIAL
, "stdio");
3032 if (default_virtcon
)
3033 add_device_config(DEV_VIRTCON
, "stdio");
3034 if (default_monitor
)
3035 monitor_parse("stdio", "readline");
3039 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
3040 if (default_parallel
)
3041 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
3042 if (default_monitor
)
3043 monitor_parse("vc:80Cx24C", "readline");
3044 if (default_virtcon
)
3045 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
3048 vga_interface_type
= VGA_CIRRUS
;
3052 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
3054 #ifdef CONFIG_VIRTFS
3055 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
3062 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
3067 configure_accelerator();
3069 if (qemu_init_main_loop()) {
3070 fprintf(stderr
, "qemu_init_main_loop failed\n");
3073 linux_boot
= (kernel_filename
!= NULL
);
3075 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
3076 fprintf(stderr
, "-append only allowed with -kernel option\n");
3080 if (!linux_boot
&& initrd_filename
!= NULL
) {
3081 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
3085 os_set_line_buffering();
3087 if (init_timer_alarm() < 0) {
3088 fprintf(stderr
, "could not initialize alarm timer\n");
3091 configure_icount(icount_option
);
3093 if (net_init_clients() < 0) {
3097 /* init the bluetooth world */
3098 if (foreach_device_config(DEV_BT
, bt_parse
))
3101 /* init the memory */
3103 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3105 /* init the dynamic translator */
3106 cpu_exec_init_all(tb_size
* 1024 * 1024);
3108 bdrv_init_with_whitelist();
3112 /* open the virtual block devices */
3114 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
3115 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
, &machine
->use_scsi
, 1) != 0)
3118 default_drive(default_cdrom
, snapshot
, machine
->use_scsi
,
3119 IF_DEFAULT
, 2, CDROM_OPTS
);
3120 default_drive(default_floppy
, snapshot
, machine
->use_scsi
,
3121 IF_FLOPPY
, 0, FD_OPTS
);
3122 default_drive(default_sdcard
, snapshot
, machine
->use_scsi
,
3125 register_savevm_live(NULL
, "ram", 0, 4, NULL
, ram_save_live
, NULL
,
3128 if (nb_numa_nodes
> 0) {
3131 if (nb_numa_nodes
> MAX_NODES
) {
3132 nb_numa_nodes
= MAX_NODES
;
3135 /* If no memory size if given for any node, assume the default case
3136 * and distribute the available memory equally across all nodes
3138 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3139 if (node_mem
[i
] != 0)
3142 if (i
== nb_numa_nodes
) {
3143 uint64_t usedmem
= 0;
3145 /* On Linux, the each node's border has to be 8MB aligned,
3146 * the final node gets the rest.
3148 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
3149 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
3150 usedmem
+= node_mem
[i
];
3152 node_mem
[i
] = ram_size
- usedmem
;
3155 for (i
= 0; i
< nb_numa_nodes
; i
++) {
3156 if (node_cpumask
[i
] != 0)
3159 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3160 * must cope with this anyway, because there are BIOSes out there in
3161 * real machines which also use this scheme.
3163 if (i
== nb_numa_nodes
) {
3164 for (i
= 0; i
< smp_cpus
; i
++) {
3165 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
3170 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
3174 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
3176 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
3178 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
3180 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
3183 module_call_init(MODULE_INIT_DEVICE
);
3185 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0) != 0)
3189 i
= select_watchdog(watchdog
);
3191 exit (i
== 1 ? 1 : 0);
3194 if (machine
->compat_props
) {
3195 qdev_prop_register_global_list(machine
->compat_props
);
3199 machine
->init(ram_size
, boot_devices
,
3200 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
3202 cpu_synchronize_all_post_init();
3206 current_machine
= machine
;
3208 /* init USB devices */
3210 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
3214 /* init generic devices */
3215 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
3218 net_check_clients();
3220 /* just use the first displaystate for the moment */
3221 ds
= get_displaystate();
3225 if (display_type
== DT_DEFAULT
&& !display_remote
) {
3226 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3227 display_type
= DT_SDL
;
3228 #elif defined(CONFIG_VNC)
3229 vnc_display
= "localhost:0,to=99";
3232 display_type
= DT_NONE
;
3237 /* init local displays */
3238 switch (display_type
) {
3241 #if defined(CONFIG_CURSES)
3243 curses_display_init(ds
, full_screen
);
3246 #if defined(CONFIG_SDL)
3248 sdl_display_init(ds
, full_screen
, no_frame
);
3250 #elif defined(CONFIG_COCOA)
3252 cocoa_display_init(ds
, full_screen
);
3259 /* must be after terminal init, SDL library changes signal handlers */
3260 os_setup_signal_handling();
3263 /* init remote displays */
3265 vnc_display_init(ds
);
3266 if (vnc_display_open(ds
, vnc_display
) < 0)
3269 if (show_vnc_port
) {
3270 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
3275 if (using_spice
&& !qxl_enabled
) {
3276 qemu_spice_display_init(ds
);
3282 dcl
= ds
->listeners
;
3283 while (dcl
!= NULL
) {
3284 if (dcl
->dpy_refresh
!= NULL
) {
3285 ds
->gui_timer
= qemu_new_timer_ms(rt_clock
, gui_update
, ds
);
3286 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock_ms(rt_clock
));
3291 if (ds
->gui_timer
== NULL
) {
3292 nographic_timer
= qemu_new_timer_ms(rt_clock
, nographic_update
, NULL
);
3293 qemu_mod_timer(nographic_timer
, qemu_get_clock_ms(rt_clock
));
3295 text_consoles_set_display(ds
);
3297 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
3298 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
3303 qdev_machine_creation_done();
3305 if (rom_load_all() != 0) {
3306 fprintf(stderr
, "rom loading failed\n");
3310 /* TODO: once all bus devices are qdevified, this should be done
3311 * when bus is created by qdev.c */
3312 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
3313 qemu_run_machine_init_done_notifiers();
3315 qemu_system_reset(VMRESET_SILENT
);
3317 if (load_vmstate(loadvm
) < 0) {
3323 int ret
= qemu_start_incoming_migration(incoming
);
3325 fprintf(stderr
, "Migration failed. Exit code %s(%d), exiting.\n",
3329 } else if (autostart
) {