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
25 #include "hw/boards.h"
27 #include "hw/pcmcia.h"
29 #include "hw/audiodev.h"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
40 #include "audio/audio.h"
41 #include "migration.h"
53 #include <sys/times.h>
57 #include <sys/ioctl.h>
58 #include <sys/resource.h>
59 #include <sys/socket.h>
60 #include <netinet/in.h>
62 #if defined(__NetBSD__)
63 #include <net/if_tap.h>
66 #include <linux/if_tun.h>
68 #include <arpa/inet.h>
71 #include <sys/select.h>
79 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
80 #include <freebsd/stdlib.h>
85 #include <linux/rtc.h>
87 /* For the benefit of older linux systems which don't supply it,
88 we use a local copy of hpet.h. */
89 /* #include <linux/hpet.h> */
92 #include <linux/ppdev.h>
93 #include <linux/parport.h>
97 #include <sys/ethernet.h>
98 #include <sys/sockio.h>
99 #include <netinet/arp.h>
100 #include <netinet/in.h>
101 #include <netinet/in_systm.h>
102 #include <netinet/ip.h>
103 #include <netinet/ip_icmp.h> // must come after ip.h
104 #include <netinet/udp.h>
105 #include <netinet/tcp.h>
113 #include "qemu_socket.h"
115 #if defined(CONFIG_SLIRP)
116 #include "libslirp.h"
119 #if defined(__OpenBSD__)
123 #if defined(CONFIG_VDE)
124 #include <libvdeplug.h>
129 #include <sys/timeb.h>
130 #include <mmsystem.h>
131 #define getopt_long_only getopt_long
132 #define memalign(align, size) malloc(size)
139 #endif /* CONFIG_SDL */
143 #define main qemu_main
144 #endif /* CONFIG_COCOA */
148 #include "exec-all.h"
150 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
151 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
153 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
155 #define SMBD_COMMAND "/usr/sbin/smbd"
158 //#define DEBUG_UNUSED_IOPORT
159 //#define DEBUG_IOPORT
161 //#define DEBUG_SLIRP
164 #define DEFAULT_RAM_SIZE 144
166 #define DEFAULT_RAM_SIZE 128
169 /* Max number of USB devices that can be specified on the commandline. */
170 #define MAX_USB_CMDLINE 8
172 /* Max number of bluetooth switches on the commandline. */
173 #define MAX_BT_CMDLINE 10
175 /* XXX: use a two level table to limit memory usage */
176 #define MAX_IOPORTS 65536
178 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
179 const char *bios_name
= NULL
;
180 static void *ioport_opaque
[MAX_IOPORTS
];
181 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
182 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
183 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
184 to store the VM snapshots */
185 DriveInfo drives_table
[MAX_DRIVES
+1];
187 /* point to the block driver where the snapshots are managed */
188 static BlockDriverState
*bs_snapshots
;
189 static int vga_ram_size
;
190 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
191 DisplayState display_state
;
194 const char* keyboard_layout
= NULL
;
195 int64_t ticks_per_sec
;
198 NICInfo nd_table
[MAX_NICS
];
200 static int rtc_utc
= 1;
201 static int rtc_date_offset
= -1; /* -1 means no change */
202 int cirrus_vga_enabled
= 1;
203 int vmsvga_enabled
= 0;
205 int graphic_width
= 1024;
206 int graphic_height
= 768;
207 int graphic_depth
= 8;
209 int graphic_width
= 800;
210 int graphic_height
= 600;
211 int graphic_depth
= 15;
213 static int full_screen
= 0;
214 static int no_frame
= 0;
216 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
217 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
219 int win2k_install_hack
= 0;
223 const char *vnc_display
;
224 int acpi_enabled
= 1;
229 int graphic_rotate
= 0;
231 const char *option_rom
[MAX_OPTION_ROMS
];
233 int semihosting_enabled
= 0;
237 const char *qemu_name
;
240 unsigned int nb_prom_envs
= 0;
241 const char *prom_envs
[MAX_PROM_ENVS
];
243 static int nb_drives_opt
;
244 static struct drive_opt
{
247 } drives_opt
[MAX_DRIVES
];
249 static CPUState
*cur_cpu
;
250 static CPUState
*next_cpu
;
251 static int event_pending
= 1;
252 /* Conversion factor from emulated instructions to virtual clock ticks. */
253 static int icount_time_shift
;
254 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
255 #define MAX_ICOUNT_SHIFT 10
256 /* Compensate for varying guest execution speed. */
257 static int64_t qemu_icount_bias
;
258 static QEMUTimer
*icount_rt_timer
;
259 static QEMUTimer
*icount_vm_timer
;
261 uint8_t qemu_uuid
[16];
263 /***********************************************************/
264 /* x86 ISA bus support */
266 target_phys_addr_t isa_mem_base
= 0;
269 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
270 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
272 static uint32_t ioport_read(int index
, uint32_t address
)
274 static IOPortReadFunc
*default_func
[3] = {
275 default_ioport_readb
,
276 default_ioport_readw
,
279 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
281 func
= default_func
[index
];
282 return func(ioport_opaque
[address
], address
);
285 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
287 static IOPortWriteFunc
*default_func
[3] = {
288 default_ioport_writeb
,
289 default_ioport_writew
,
290 default_ioport_writel
292 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
294 func
= default_func
[index
];
295 func(ioport_opaque
[address
], address
, data
);
298 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
300 #ifdef DEBUG_UNUSED_IOPORT
301 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
306 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
308 #ifdef DEBUG_UNUSED_IOPORT
309 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
313 /* default is to make two byte accesses */
314 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
317 data
= ioport_read(0, address
);
318 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
319 data
|= ioport_read(0, address
) << 8;
323 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
325 ioport_write(0, address
, data
& 0xff);
326 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
327 ioport_write(0, address
, (data
>> 8) & 0xff);
330 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
332 #ifdef DEBUG_UNUSED_IOPORT
333 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
338 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
340 #ifdef DEBUG_UNUSED_IOPORT
341 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
345 /* size is the word size in byte */
346 int register_ioport_read(int start
, int length
, int size
,
347 IOPortReadFunc
*func
, void *opaque
)
353 } else if (size
== 2) {
355 } else if (size
== 4) {
358 hw_error("register_ioport_read: invalid size");
361 for(i
= start
; i
< start
+ length
; i
+= size
) {
362 ioport_read_table
[bsize
][i
] = func
;
363 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
364 hw_error("register_ioport_read: invalid opaque");
365 ioport_opaque
[i
] = opaque
;
370 /* size is the word size in byte */
371 int register_ioport_write(int start
, int length
, int size
,
372 IOPortWriteFunc
*func
, void *opaque
)
378 } else if (size
== 2) {
380 } else if (size
== 4) {
383 hw_error("register_ioport_write: invalid size");
386 for(i
= start
; i
< start
+ length
; i
+= size
) {
387 ioport_write_table
[bsize
][i
] = func
;
388 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
389 hw_error("register_ioport_write: invalid opaque");
390 ioport_opaque
[i
] = opaque
;
395 void isa_unassign_ioport(int start
, int length
)
399 for(i
= start
; i
< start
+ length
; i
++) {
400 ioport_read_table
[0][i
] = default_ioport_readb
;
401 ioport_read_table
[1][i
] = default_ioport_readw
;
402 ioport_read_table
[2][i
] = default_ioport_readl
;
404 ioport_write_table
[0][i
] = default_ioport_writeb
;
405 ioport_write_table
[1][i
] = default_ioport_writew
;
406 ioport_write_table
[2][i
] = default_ioport_writel
;
410 /***********************************************************/
412 void cpu_outb(CPUState
*env
, int addr
, int val
)
415 if (loglevel
& CPU_LOG_IOPORT
)
416 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
418 ioport_write(0, addr
, val
);
421 env
->last_io_time
= cpu_get_time_fast();
425 void cpu_outw(CPUState
*env
, int addr
, int val
)
428 if (loglevel
& CPU_LOG_IOPORT
)
429 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
431 ioport_write(1, addr
, val
);
434 env
->last_io_time
= cpu_get_time_fast();
438 void cpu_outl(CPUState
*env
, int addr
, int val
)
441 if (loglevel
& CPU_LOG_IOPORT
)
442 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
444 ioport_write(2, addr
, val
);
447 env
->last_io_time
= cpu_get_time_fast();
451 int cpu_inb(CPUState
*env
, int addr
)
454 val
= ioport_read(0, addr
);
456 if (loglevel
& CPU_LOG_IOPORT
)
457 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
461 env
->last_io_time
= cpu_get_time_fast();
466 int cpu_inw(CPUState
*env
, int addr
)
469 val
= ioport_read(1, addr
);
471 if (loglevel
& CPU_LOG_IOPORT
)
472 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
476 env
->last_io_time
= cpu_get_time_fast();
481 int cpu_inl(CPUState
*env
, int addr
)
484 val
= ioport_read(2, addr
);
486 if (loglevel
& CPU_LOG_IOPORT
)
487 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
491 env
->last_io_time
= cpu_get_time_fast();
496 /***********************************************************/
497 void hw_error(const char *fmt
, ...)
503 fprintf(stderr
, "qemu: hardware error: ");
504 vfprintf(stderr
, fmt
, ap
);
505 fprintf(stderr
, "\n");
506 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
507 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
509 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
511 cpu_dump_state(env
, stderr
, fprintf
, 0);
518 /***********************************************************/
521 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
522 static void *qemu_put_kbd_event_opaque
;
523 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
524 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
526 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
528 qemu_put_kbd_event_opaque
= opaque
;
529 qemu_put_kbd_event
= func
;
532 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
533 void *opaque
, int absolute
,
536 QEMUPutMouseEntry
*s
, *cursor
;
538 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
542 s
->qemu_put_mouse_event
= func
;
543 s
->qemu_put_mouse_event_opaque
= opaque
;
544 s
->qemu_put_mouse_event_absolute
= absolute
;
545 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
548 if (!qemu_put_mouse_event_head
) {
549 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
553 cursor
= qemu_put_mouse_event_head
;
554 while (cursor
->next
!= NULL
)
555 cursor
= cursor
->next
;
558 qemu_put_mouse_event_current
= s
;
563 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
565 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
567 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
570 cursor
= qemu_put_mouse_event_head
;
571 while (cursor
!= NULL
&& cursor
!= entry
) {
573 cursor
= cursor
->next
;
576 if (cursor
== NULL
) // does not exist or list empty
578 else if (prev
== NULL
) { // entry is head
579 qemu_put_mouse_event_head
= cursor
->next
;
580 if (qemu_put_mouse_event_current
== entry
)
581 qemu_put_mouse_event_current
= cursor
->next
;
582 qemu_free(entry
->qemu_put_mouse_event_name
);
587 prev
->next
= entry
->next
;
589 if (qemu_put_mouse_event_current
== entry
)
590 qemu_put_mouse_event_current
= prev
;
592 qemu_free(entry
->qemu_put_mouse_event_name
);
596 void kbd_put_keycode(int keycode
)
598 if (qemu_put_kbd_event
) {
599 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
603 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
605 QEMUPutMouseEvent
*mouse_event
;
606 void *mouse_event_opaque
;
609 if (!qemu_put_mouse_event_current
) {
614 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
616 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
619 if (graphic_rotate
) {
620 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
623 width
= graphic_width
- 1;
624 mouse_event(mouse_event_opaque
,
625 width
- dy
, dx
, dz
, buttons_state
);
627 mouse_event(mouse_event_opaque
,
628 dx
, dy
, dz
, buttons_state
);
632 int kbd_mouse_is_absolute(void)
634 if (!qemu_put_mouse_event_current
)
637 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
640 void do_info_mice(void)
642 QEMUPutMouseEntry
*cursor
;
645 if (!qemu_put_mouse_event_head
) {
646 term_printf("No mouse devices connected\n");
650 term_printf("Mouse devices available:\n");
651 cursor
= qemu_put_mouse_event_head
;
652 while (cursor
!= NULL
) {
653 term_printf("%c Mouse #%d: %s\n",
654 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
655 index
, cursor
->qemu_put_mouse_event_name
);
657 cursor
= cursor
->next
;
661 void do_mouse_set(int index
)
663 QEMUPutMouseEntry
*cursor
;
666 if (!qemu_put_mouse_event_head
) {
667 term_printf("No mouse devices connected\n");
671 cursor
= qemu_put_mouse_event_head
;
672 while (cursor
!= NULL
&& index
!= i
) {
674 cursor
= cursor
->next
;
678 qemu_put_mouse_event_current
= cursor
;
680 term_printf("Mouse at given index not found\n");
683 /* compute with 96 bit intermediate result: (a*b)/c */
684 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
689 #ifdef WORDS_BIGENDIAN
699 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
700 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
703 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
707 /***********************************************************/
708 /* real time host monotonic timer */
710 #define QEMU_TIMER_BASE 1000000000LL
714 static int64_t clock_freq
;
716 static void init_get_clock(void)
720 ret
= QueryPerformanceFrequency(&freq
);
722 fprintf(stderr
, "Could not calibrate ticks\n");
725 clock_freq
= freq
.QuadPart
;
728 static int64_t get_clock(void)
731 QueryPerformanceCounter(&ti
);
732 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
737 static int use_rt_clock
;
739 static void init_get_clock(void)
742 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
745 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
752 static int64_t get_clock(void)
754 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
757 clock_gettime(CLOCK_MONOTONIC
, &ts
);
758 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
762 /* XXX: using gettimeofday leads to problems if the date
763 changes, so it should be avoided. */
765 gettimeofday(&tv
, NULL
);
766 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
771 /* Return the virtual CPU time, based on the instruction counter. */
772 static int64_t cpu_get_icount(void)
775 CPUState
*env
= cpu_single_env
;;
776 icount
= qemu_icount
;
779 fprintf(stderr
, "Bad clock read\n");
780 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
782 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
785 /***********************************************************/
786 /* guest cycle counter */
788 static int64_t cpu_ticks_prev
;
789 static int64_t cpu_ticks_offset
;
790 static int64_t cpu_clock_offset
;
791 static int cpu_ticks_enabled
;
793 /* return the host CPU cycle counter and handle stop/restart */
794 int64_t cpu_get_ticks(void)
797 return cpu_get_icount();
799 if (!cpu_ticks_enabled
) {
800 return cpu_ticks_offset
;
803 ticks
= cpu_get_real_ticks();
804 if (cpu_ticks_prev
> ticks
) {
805 /* Note: non increasing ticks may happen if the host uses
807 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
809 cpu_ticks_prev
= ticks
;
810 return ticks
+ cpu_ticks_offset
;
814 /* return the host CPU monotonic timer and handle stop/restart */
815 static int64_t cpu_get_clock(void)
818 if (!cpu_ticks_enabled
) {
819 return cpu_clock_offset
;
822 return ti
+ cpu_clock_offset
;
826 /* enable cpu_get_ticks() */
827 void cpu_enable_ticks(void)
829 if (!cpu_ticks_enabled
) {
830 cpu_ticks_offset
-= cpu_get_real_ticks();
831 cpu_clock_offset
-= get_clock();
832 cpu_ticks_enabled
= 1;
836 /* disable cpu_get_ticks() : the clock is stopped. You must not call
837 cpu_get_ticks() after that. */
838 void cpu_disable_ticks(void)
840 if (cpu_ticks_enabled
) {
841 cpu_ticks_offset
= cpu_get_ticks();
842 cpu_clock_offset
= cpu_get_clock();
843 cpu_ticks_enabled
= 0;
847 /***********************************************************/
850 #define QEMU_TIMER_REALTIME 0
851 #define QEMU_TIMER_VIRTUAL 1
855 /* XXX: add frequency */
863 struct QEMUTimer
*next
;
866 struct qemu_alarm_timer
{
870 int (*start
)(struct qemu_alarm_timer
*t
);
871 void (*stop
)(struct qemu_alarm_timer
*t
);
872 void (*rearm
)(struct qemu_alarm_timer
*t
);
876 #define ALARM_FLAG_DYNTICKS 0x1
877 #define ALARM_FLAG_EXPIRED 0x2
879 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
881 return t
->flags
& ALARM_FLAG_DYNTICKS
;
884 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
886 if (!alarm_has_dynticks(t
))
892 /* TODO: MIN_TIMER_REARM_US should be optimized */
893 #define MIN_TIMER_REARM_US 250
895 static struct qemu_alarm_timer
*alarm_timer
;
897 static int alarm_timer_rfd
, alarm_timer_wfd
;
902 struct qemu_alarm_win32
{
906 } alarm_win32_data
= {0, NULL
, -1};
908 static int win32_start_timer(struct qemu_alarm_timer
*t
);
909 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
910 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
914 static int unix_start_timer(struct qemu_alarm_timer
*t
);
915 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
919 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
920 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
921 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
923 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
924 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
926 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
927 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
929 #endif /* __linux__ */
933 /* Correlation between real and virtual time is always going to be
934 fairly approximate, so ignore small variation.
935 When the guest is idle real and virtual time will be aligned in
937 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
939 static void icount_adjust(void)
944 static int64_t last_delta
;
945 /* If the VM is not running, then do nothing. */
949 cur_time
= cpu_get_clock();
950 cur_icount
= qemu_get_clock(vm_clock
);
951 delta
= cur_icount
- cur_time
;
952 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
954 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
955 && icount_time_shift
> 0) {
956 /* The guest is getting too far ahead. Slow time down. */
960 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
961 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
962 /* The guest is getting too far behind. Speed time up. */
966 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
969 static void icount_adjust_rt(void * opaque
)
971 qemu_mod_timer(icount_rt_timer
,
972 qemu_get_clock(rt_clock
) + 1000);
976 static void icount_adjust_vm(void * opaque
)
978 qemu_mod_timer(icount_vm_timer
,
979 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
983 static void init_icount_adjust(void)
985 /* Have both realtime and virtual time triggers for speed adjustment.
986 The realtime trigger catches emulated time passing too slowly,
987 the virtual time trigger catches emulated time passing too fast.
988 Realtime triggers occur even when idle, so use them less frequently
990 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
991 qemu_mod_timer(icount_rt_timer
,
992 qemu_get_clock(rt_clock
) + 1000);
993 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
994 qemu_mod_timer(icount_vm_timer
,
995 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
998 static struct qemu_alarm_timer alarm_timers
[] = {
1001 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1002 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1003 /* HPET - if available - is preferred */
1004 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1005 /* ...otherwise try RTC */
1006 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1008 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1010 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1011 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1012 {"win32", 0, win32_start_timer
,
1013 win32_stop_timer
, NULL
, &alarm_win32_data
},
1018 static void show_available_alarms(void)
1022 printf("Available alarm timers, in order of precedence:\n");
1023 for (i
= 0; alarm_timers
[i
].name
; i
++)
1024 printf("%s\n", alarm_timers
[i
].name
);
1027 static void configure_alarms(char const *opt
)
1031 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
1034 struct qemu_alarm_timer tmp
;
1036 if (!strcmp(opt
, "?")) {
1037 show_available_alarms();
1043 /* Reorder the array */
1044 name
= strtok(arg
, ",");
1046 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1047 if (!strcmp(alarm_timers
[i
].name
, name
))
1052 fprintf(stderr
, "Unknown clock %s\n", name
);
1061 tmp
= alarm_timers
[i
];
1062 alarm_timers
[i
] = alarm_timers
[cur
];
1063 alarm_timers
[cur
] = tmp
;
1067 name
= strtok(NULL
, ",");
1073 /* Disable remaining timers */
1074 for (i
= cur
; i
< count
; i
++)
1075 alarm_timers
[i
].name
= NULL
;
1077 show_available_alarms();
1082 QEMUClock
*rt_clock
;
1083 QEMUClock
*vm_clock
;
1085 static QEMUTimer
*active_timers
[2];
1087 static QEMUClock
*qemu_new_clock(int type
)
1090 clock
= qemu_mallocz(sizeof(QEMUClock
));
1097 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1101 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1104 ts
->opaque
= opaque
;
1108 void qemu_free_timer(QEMUTimer
*ts
)
1113 /* stop a timer, but do not dealloc it */
1114 void qemu_del_timer(QEMUTimer
*ts
)
1118 /* NOTE: this code must be signal safe because
1119 qemu_timer_expired() can be called from a signal. */
1120 pt
= &active_timers
[ts
->clock
->type
];
1133 /* modify the current timer so that it will be fired when current_time
1134 >= expire_time. The corresponding callback will be called. */
1135 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1141 /* add the timer in the sorted list */
1142 /* NOTE: this code must be signal safe because
1143 qemu_timer_expired() can be called from a signal. */
1144 pt
= &active_timers
[ts
->clock
->type
];
1149 if (t
->expire_time
> expire_time
)
1153 ts
->expire_time
= expire_time
;
1157 /* Rearm if necessary */
1158 if (pt
== &active_timers
[ts
->clock
->type
]) {
1159 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1160 qemu_rearm_alarm_timer(alarm_timer
);
1162 /* Interrupt execution to force deadline recalculation. */
1163 if (use_icount
&& cpu_single_env
) {
1164 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1169 int qemu_timer_pending(QEMUTimer
*ts
)
1172 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1179 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1183 return (timer_head
->expire_time
<= current_time
);
1186 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1192 if (!ts
|| ts
->expire_time
> current_time
)
1194 /* remove timer from the list before calling the callback */
1195 *ptimer_head
= ts
->next
;
1198 /* run the callback (the timer list can be modified) */
1203 int64_t qemu_get_clock(QEMUClock
*clock
)
1205 switch(clock
->type
) {
1206 case QEMU_TIMER_REALTIME
:
1207 return get_clock() / 1000000;
1209 case QEMU_TIMER_VIRTUAL
:
1211 return cpu_get_icount();
1213 return cpu_get_clock();
1218 static void init_timers(void)
1221 ticks_per_sec
= QEMU_TIMER_BASE
;
1222 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1223 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1227 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1229 uint64_t expire_time
;
1231 if (qemu_timer_pending(ts
)) {
1232 expire_time
= ts
->expire_time
;
1236 qemu_put_be64(f
, expire_time
);
1239 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1241 uint64_t expire_time
;
1243 expire_time
= qemu_get_be64(f
);
1244 if (expire_time
!= -1) {
1245 qemu_mod_timer(ts
, expire_time
);
1251 static void timer_save(QEMUFile
*f
, void *opaque
)
1253 if (cpu_ticks_enabled
) {
1254 hw_error("cannot save state if virtual timers are running");
1256 qemu_put_be64(f
, cpu_ticks_offset
);
1257 qemu_put_be64(f
, ticks_per_sec
);
1258 qemu_put_be64(f
, cpu_clock_offset
);
1261 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1263 if (version_id
!= 1 && version_id
!= 2)
1265 if (cpu_ticks_enabled
) {
1268 cpu_ticks_offset
=qemu_get_be64(f
);
1269 ticks_per_sec
=qemu_get_be64(f
);
1270 if (version_id
== 2) {
1271 cpu_clock_offset
=qemu_get_be64(f
);
1277 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1278 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1280 static void host_alarm_handler(int host_signum
)
1284 #define DISP_FREQ 1000
1286 static int64_t delta_min
= INT64_MAX
;
1287 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1289 ti
= qemu_get_clock(vm_clock
);
1290 if (last_clock
!= 0) {
1291 delta
= ti
- last_clock
;
1292 if (delta
< delta_min
)
1294 if (delta
> delta_max
)
1297 if (++count
== DISP_FREQ
) {
1298 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1299 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1300 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1301 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1302 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1304 delta_min
= INT64_MAX
;
1312 if (alarm_has_dynticks(alarm_timer
) ||
1314 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1315 qemu_get_clock(vm_clock
))) ||
1316 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1317 qemu_get_clock(rt_clock
))) {
1318 CPUState
*env
= next_cpu
;
1321 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1322 SetEvent(data
->host_alarm
);
1324 static const char byte
= 0;
1325 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1327 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1330 /* stop the currently executing cpu because a timer occured */
1331 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1333 if (env
->kqemu_enabled
) {
1334 kqemu_cpu_interrupt(env
);
1342 static int64_t qemu_next_deadline(void)
1346 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1347 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1348 qemu_get_clock(vm_clock
);
1350 /* To avoid problems with overflow limit this to 2^32. */
1360 #if defined(__linux__) || defined(_WIN32)
1361 static uint64_t qemu_next_deadline_dyntick(void)
1369 delta
= (qemu_next_deadline() + 999) / 1000;
1371 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1372 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1373 qemu_get_clock(rt_clock
))*1000;
1374 if (rtdelta
< delta
)
1378 if (delta
< MIN_TIMER_REARM_US
)
1379 delta
= MIN_TIMER_REARM_US
;
1387 /* Sets a specific flag */
1388 static int fcntl_setfl(int fd
, int flag
)
1392 flags
= fcntl(fd
, F_GETFL
);
1396 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1402 #if defined(__linux__)
1404 #define RTC_FREQ 1024
1406 void enable_sigio_timer(int fd
)
1408 struct sigaction act
;
1411 sigfillset(&act
.sa_mask
);
1413 act
.sa_handler
= host_alarm_handler
;
1415 sigaction(SIGIO
, &act
, NULL
);
1416 fcntl_setfl(fd
, O_ASYNC
);
1417 fcntl(fd
, F_SETOWN
, getpid());
1420 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1422 struct hpet_info info
;
1425 fd
= open("/dev/hpet", O_RDONLY
);
1430 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1432 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1433 "error, but for better emulation accuracy type:\n"
1434 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1438 /* Check capabilities */
1439 r
= ioctl(fd
, HPET_INFO
, &info
);
1443 /* Enable periodic mode */
1444 r
= ioctl(fd
, HPET_EPI
, 0);
1445 if (info
.hi_flags
&& (r
< 0))
1448 /* Enable interrupt */
1449 r
= ioctl(fd
, HPET_IE_ON
, 0);
1453 enable_sigio_timer(fd
);
1454 t
->priv
= (void *)(long)fd
;
1462 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1464 int fd
= (long)t
->priv
;
1469 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1472 unsigned long current_rtc_freq
= 0;
1474 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1477 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1478 if (current_rtc_freq
!= RTC_FREQ
&&
1479 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1480 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1481 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1482 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1485 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1491 enable_sigio_timer(rtc_fd
);
1493 t
->priv
= (void *)(long)rtc_fd
;
1498 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1500 int rtc_fd
= (long)t
->priv
;
1505 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1509 struct sigaction act
;
1511 sigfillset(&act
.sa_mask
);
1513 act
.sa_handler
= host_alarm_handler
;
1515 sigaction(SIGALRM
, &act
, NULL
);
1517 ev
.sigev_value
.sival_int
= 0;
1518 ev
.sigev_notify
= SIGEV_SIGNAL
;
1519 ev
.sigev_signo
= SIGALRM
;
1521 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1522 perror("timer_create");
1524 /* disable dynticks */
1525 fprintf(stderr
, "Dynamic Ticks disabled\n");
1530 t
->priv
= (void *)host_timer
;
1535 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1537 timer_t host_timer
= (timer_t
)t
->priv
;
1539 timer_delete(host_timer
);
1542 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1544 timer_t host_timer
= (timer_t
)t
->priv
;
1545 struct itimerspec timeout
;
1546 int64_t nearest_delta_us
= INT64_MAX
;
1549 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1550 !active_timers
[QEMU_TIMER_VIRTUAL
])
1553 nearest_delta_us
= qemu_next_deadline_dyntick();
1555 /* check whether a timer is already running */
1556 if (timer_gettime(host_timer
, &timeout
)) {
1558 fprintf(stderr
, "Internal timer error: aborting\n");
1561 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1562 if (current_us
&& current_us
<= nearest_delta_us
)
1565 timeout
.it_interval
.tv_sec
= 0;
1566 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1567 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1568 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1569 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1571 fprintf(stderr
, "Internal timer error: aborting\n");
1576 #endif /* defined(__linux__) */
1578 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1580 struct sigaction act
;
1581 struct itimerval itv
;
1585 sigfillset(&act
.sa_mask
);
1587 act
.sa_handler
= host_alarm_handler
;
1589 sigaction(SIGALRM
, &act
, NULL
);
1591 itv
.it_interval
.tv_sec
= 0;
1592 /* for i386 kernel 2.6 to get 1 ms */
1593 itv
.it_interval
.tv_usec
= 999;
1594 itv
.it_value
.tv_sec
= 0;
1595 itv
.it_value
.tv_usec
= 10 * 1000;
1597 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1604 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1606 struct itimerval itv
;
1608 memset(&itv
, 0, sizeof(itv
));
1609 setitimer(ITIMER_REAL
, &itv
, NULL
);
1612 #endif /* !defined(_WIN32) */
1614 static void try_to_rearm_timer(void *opaque
)
1616 struct qemu_alarm_timer
*t
= opaque
;
1620 /* Drain the notify pipe */
1623 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1624 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1627 /* vm time timers */
1628 if (vm_running
&& likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
1629 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
1630 qemu_get_clock(vm_clock
));
1632 /* real time timers */
1633 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
1634 qemu_get_clock(rt_clock
));
1636 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1637 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1638 qemu_rearm_alarm_timer(alarm_timer
);
1644 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1647 struct qemu_alarm_win32
*data
= t
->priv
;
1650 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1651 if (!data
->host_alarm
) {
1652 perror("Failed CreateEvent");
1656 memset(&tc
, 0, sizeof(tc
));
1657 timeGetDevCaps(&tc
, sizeof(tc
));
1659 if (data
->period
< tc
.wPeriodMin
)
1660 data
->period
= tc
.wPeriodMin
;
1662 timeBeginPeriod(data
->period
);
1664 flags
= TIME_CALLBACK_FUNCTION
;
1665 if (alarm_has_dynticks(t
))
1666 flags
|= TIME_ONESHOT
;
1668 flags
|= TIME_PERIODIC
;
1670 data
->timerId
= timeSetEvent(1, // interval (ms)
1671 data
->period
, // resolution
1672 host_alarm_handler
, // function
1673 (DWORD
)t
, // parameter
1676 if (!data
->timerId
) {
1677 perror("Failed to initialize win32 alarm timer");
1679 timeEndPeriod(data
->period
);
1680 CloseHandle(data
->host_alarm
);
1684 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1689 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1691 struct qemu_alarm_win32
*data
= t
->priv
;
1693 timeKillEvent(data
->timerId
);
1694 timeEndPeriod(data
->period
);
1696 CloseHandle(data
->host_alarm
);
1699 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1701 struct qemu_alarm_win32
*data
= t
->priv
;
1702 uint64_t nearest_delta_us
;
1704 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1705 !active_timers
[QEMU_TIMER_VIRTUAL
])
1708 nearest_delta_us
= qemu_next_deadline_dyntick();
1709 nearest_delta_us
/= 1000;
1711 timeKillEvent(data
->timerId
);
1713 data
->timerId
= timeSetEvent(1,
1717 TIME_ONESHOT
| TIME_PERIODIC
);
1719 if (!data
->timerId
) {
1720 perror("Failed to re-arm win32 alarm timer");
1722 timeEndPeriod(data
->period
);
1723 CloseHandle(data
->host_alarm
);
1730 static int init_timer_alarm(void)
1732 struct qemu_alarm_timer
*t
= NULL
;
1742 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1746 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1750 alarm_timer_rfd
= fds
[0];
1751 alarm_timer_wfd
= fds
[1];
1754 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1755 t
= &alarm_timers
[i
];
1768 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1769 try_to_rearm_timer
, NULL
, t
);
1784 static void quit_timers(void)
1786 alarm_timer
->stop(alarm_timer
);
1790 /***********************************************************/
1791 /* host time/date access */
1792 void qemu_get_timedate(struct tm
*tm
, int offset
)
1799 if (rtc_date_offset
== -1) {
1803 ret
= localtime(&ti
);
1805 ti
-= rtc_date_offset
;
1809 memcpy(tm
, ret
, sizeof(struct tm
));
1812 int qemu_timedate_diff(struct tm
*tm
)
1816 if (rtc_date_offset
== -1)
1818 seconds
= mktimegm(tm
);
1820 seconds
= mktime(tm
);
1822 seconds
= mktimegm(tm
) + rtc_date_offset
;
1824 return seconds
- time(NULL
);
1828 static void socket_cleanup(void)
1833 static int socket_init(void)
1838 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1840 err
= WSAGetLastError();
1841 fprintf(stderr
, "WSAStartup: %d\n", err
);
1844 atexit(socket_cleanup
);
1849 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1854 while (*p
!= '\0' && *p
!= '=') {
1855 if (q
&& (q
- buf
) < buf_size
- 1)
1865 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1870 while (*p
!= '\0') {
1872 if (*(p
+ 1) != ',')
1876 if (q
&& (q
- buf
) < buf_size
- 1)
1886 int get_param_value(char *buf
, int buf_size
,
1887 const char *tag
, const char *str
)
1894 p
= get_opt_name(option
, sizeof(option
), p
);
1898 if (!strcmp(tag
, option
)) {
1899 (void)get_opt_value(buf
, buf_size
, p
);
1902 p
= get_opt_value(NULL
, 0, p
);
1911 int check_params(char *buf
, int buf_size
,
1912 const char * const *params
, const char *str
)
1919 p
= get_opt_name(buf
, buf_size
, p
);
1923 for(i
= 0; params
[i
] != NULL
; i
++)
1924 if (!strcmp(params
[i
], buf
))
1926 if (params
[i
] == NULL
)
1928 p
= get_opt_value(NULL
, 0, p
);
1936 /***********************************************************/
1937 /* Bluetooth support */
1940 static struct HCIInfo
*hci_table
[MAX_NICS
];
1942 static struct bt_vlan_s
{
1943 struct bt_scatternet_s net
;
1945 struct bt_vlan_s
*next
;
1948 /* find or alloc a new bluetooth "VLAN" */
1949 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1951 struct bt_vlan_s
**pvlan
, *vlan
;
1952 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1956 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1958 pvlan
= &first_bt_vlan
;
1959 while (*pvlan
!= NULL
)
1960 pvlan
= &(*pvlan
)->next
;
1965 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1969 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1974 static struct HCIInfo null_hci
= {
1975 .cmd_send
= null_hci_send
,
1976 .sco_send
= null_hci_send
,
1977 .acl_send
= null_hci_send
,
1978 .bdaddr_set
= null_hci_addr_set
,
1981 struct HCIInfo
*qemu_next_hci(void)
1983 if (cur_hci
== nb_hcis
)
1986 return hci_table
[cur_hci
++];
1989 static struct HCIInfo
*hci_init(const char *str
)
1992 struct bt_scatternet_s
*vlan
= 0;
1994 if (!strcmp(str
, "null"))
1997 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
1999 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
2000 else if (!strncmp(str
, "hci", 3)) {
2003 if (!strncmp(str
+ 3, ",vlan=", 6)) {
2004 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
2009 vlan
= qemu_find_bt_vlan(0);
2011 return bt_new_hci(vlan
);
2014 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
2019 static int bt_hci_parse(const char *str
)
2021 struct HCIInfo
*hci
;
2024 if (nb_hcis
>= MAX_NICS
) {
2025 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2029 hci
= hci_init(str
);
2038 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2039 hci
->bdaddr_set(hci
, bdaddr
.b
);
2041 hci_table
[nb_hcis
++] = hci
;
2046 static void bt_vhci_add(int vlan_id
)
2048 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2051 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2052 "an empty scatternet %i\n", vlan_id
);
2054 bt_vhci_init(bt_new_hci(vlan
));
2057 static struct bt_device_s
*bt_device_add(const char *opt
)
2059 struct bt_scatternet_s
*vlan
;
2061 char *endp
= strstr(opt
, ",vlan=");
2062 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2065 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2068 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2070 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2075 vlan
= qemu_find_bt_vlan(vlan_id
);
2078 fprintf(stderr
, "qemu: warning: adding a slave device to "
2079 "an empty scatternet %i\n", vlan_id
);
2081 if (!strcmp(devname
, "keyboard"))
2082 return bt_keyboard_init(vlan
);
2084 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2088 static int bt_parse(const char *opt
)
2090 const char *endp
, *p
;
2093 if (strstart(opt
, "hci", &endp
)) {
2094 if (!*endp
|| *endp
== ',') {
2096 if (!strstart(endp
, ",vlan=", 0))
2099 return bt_hci_parse(opt
);
2101 } else if (strstart(opt
, "vhci", &endp
)) {
2102 if (!*endp
|| *endp
== ',') {
2104 if (strstart(endp
, ",vlan=", &p
)) {
2105 vlan
= strtol(p
, (char **) &endp
, 0);
2107 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2111 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2120 } else if (strstart(opt
, "device:", &endp
))
2121 return !bt_device_add(endp
);
2123 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2127 /***********************************************************/
2128 /* QEMU Block devices */
2130 #define HD_ALIAS "index=%d,media=disk"
2132 #define CDROM_ALIAS "index=1,media=cdrom"
2134 #define CDROM_ALIAS "index=2,media=cdrom"
2136 #define FD_ALIAS "index=%d,if=floppy"
2137 #define PFLASH_ALIAS "if=pflash"
2138 #define MTD_ALIAS "if=mtd"
2139 #define SD_ALIAS "index=0,if=sd"
2141 static int drive_add(const char *file
, const char *fmt
, ...)
2145 if (nb_drives_opt
>= MAX_DRIVES
) {
2146 fprintf(stderr
, "qemu: too many drives\n");
2150 drives_opt
[nb_drives_opt
].file
= file
;
2152 vsnprintf(drives_opt
[nb_drives_opt
].opt
,
2153 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2156 return nb_drives_opt
++;
2159 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2163 /* seek interface, bus and unit */
2165 for (index
= 0; index
< nb_drives
; index
++)
2166 if (drives_table
[index
].type
== type
&&
2167 drives_table
[index
].bus
== bus
&&
2168 drives_table
[index
].unit
== unit
)
2174 int drive_get_max_bus(BlockInterfaceType type
)
2180 for (index
= 0; index
< nb_drives
; index
++) {
2181 if(drives_table
[index
].type
== type
&&
2182 drives_table
[index
].bus
> max_bus
)
2183 max_bus
= drives_table
[index
].bus
;
2188 static void bdrv_format_print(void *opaque
, const char *name
)
2190 fprintf(stderr
, " %s", name
);
2193 static int drive_init(struct drive_opt
*arg
, int snapshot
,
2194 QEMUMachine
*machine
)
2199 const char *mediastr
= "";
2200 BlockInterfaceType type
;
2201 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2202 int bus_id
, unit_id
;
2203 int cyls
, heads
, secs
, translation
;
2204 BlockDriverState
*bdrv
;
2205 BlockDriver
*drv
= NULL
;
2210 char *str
= arg
->opt
;
2211 static const char * const params
[] = { "bus", "unit", "if", "index",
2212 "cyls", "heads", "secs", "trans",
2213 "media", "snapshot", "file",
2214 "cache", "format", NULL
};
2216 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2217 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2223 cyls
= heads
= secs
= 0;
2226 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2230 if (machine
->use_scsi
) {
2232 max_devs
= MAX_SCSI_DEVS
;
2233 pstrcpy(devname
, sizeof(devname
), "scsi");
2236 max_devs
= MAX_IDE_DEVS
;
2237 pstrcpy(devname
, sizeof(devname
), "ide");
2241 /* extract parameters */
2243 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2244 bus_id
= strtol(buf
, NULL
, 0);
2246 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2251 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2252 unit_id
= strtol(buf
, NULL
, 0);
2254 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2259 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2260 pstrcpy(devname
, sizeof(devname
), buf
);
2261 if (!strcmp(buf
, "ide")) {
2263 max_devs
= MAX_IDE_DEVS
;
2264 } else if (!strcmp(buf
, "scsi")) {
2266 max_devs
= MAX_SCSI_DEVS
;
2267 } else if (!strcmp(buf
, "floppy")) {
2270 } else if (!strcmp(buf
, "pflash")) {
2273 } else if (!strcmp(buf
, "mtd")) {
2276 } else if (!strcmp(buf
, "sd")) {
2280 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2285 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2286 index
= strtol(buf
, NULL
, 0);
2288 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2293 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2294 cyls
= strtol(buf
, NULL
, 0);
2297 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2298 heads
= strtol(buf
, NULL
, 0);
2301 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2302 secs
= strtol(buf
, NULL
, 0);
2305 if (cyls
|| heads
|| secs
) {
2306 if (cyls
< 1 || cyls
> 16383) {
2307 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2310 if (heads
< 1 || heads
> 16) {
2311 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2314 if (secs
< 1 || secs
> 63) {
2315 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2320 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2323 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2327 if (!strcmp(buf
, "none"))
2328 translation
= BIOS_ATA_TRANSLATION_NONE
;
2329 else if (!strcmp(buf
, "lba"))
2330 translation
= BIOS_ATA_TRANSLATION_LBA
;
2331 else if (!strcmp(buf
, "auto"))
2332 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2334 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2339 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2340 if (!strcmp(buf
, "disk")) {
2342 } else if (!strcmp(buf
, "cdrom")) {
2343 if (cyls
|| secs
|| heads
) {
2345 "qemu: '%s' invalid physical CHS format\n", str
);
2348 media
= MEDIA_CDROM
;
2350 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2355 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2356 if (!strcmp(buf
, "on"))
2358 else if (!strcmp(buf
, "off"))
2361 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2366 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2367 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2369 else if (!strcmp(buf
, "writethrough"))
2371 else if (!strcmp(buf
, "writeback"))
2374 fprintf(stderr
, "qemu: invalid cache option\n");
2379 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2380 if (strcmp(buf
, "?") == 0) {
2381 fprintf(stderr
, "qemu: Supported formats:");
2382 bdrv_iterate_format(bdrv_format_print
, NULL
);
2383 fprintf(stderr
, "\n");
2386 drv
= bdrv_find_format(buf
);
2388 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2393 if (arg
->file
== NULL
)
2394 get_param_value(file
, sizeof(file
), "file", str
);
2396 pstrcpy(file
, sizeof(file
), arg
->file
);
2398 /* compute bus and unit according index */
2401 if (bus_id
!= 0 || unit_id
!= -1) {
2403 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2411 unit_id
= index
% max_devs
;
2412 bus_id
= index
/ max_devs
;
2416 /* if user doesn't specify a unit_id,
2417 * try to find the first free
2420 if (unit_id
== -1) {
2422 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2424 if (max_devs
&& unit_id
>= max_devs
) {
2425 unit_id
-= max_devs
;
2433 if (max_devs
&& unit_id
>= max_devs
) {
2434 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2435 str
, unit_id
, max_devs
- 1);
2440 * ignore multiple definitions
2443 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2448 if (type
== IF_IDE
|| type
== IF_SCSI
)
2449 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2451 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2452 devname
, bus_id
, mediastr
, unit_id
);
2454 snprintf(buf
, sizeof(buf
), "%s%s%i",
2455 devname
, mediastr
, unit_id
);
2456 bdrv
= bdrv_new(buf
);
2457 drives_table
[nb_drives
].bdrv
= bdrv
;
2458 drives_table
[nb_drives
].type
= type
;
2459 drives_table
[nb_drives
].bus
= bus_id
;
2460 drives_table
[nb_drives
].unit
= unit_id
;
2469 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2470 bdrv_set_translation_hint(bdrv
, translation
);
2474 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2479 /* FIXME: This isn't really a floppy, but it's a reasonable
2482 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2492 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2493 cache
= 2; /* always use write-back with snapshot */
2495 if (cache
== 0) /* no caching */
2496 bdrv_flags
|= BDRV_O_NOCACHE
;
2497 else if (cache
== 2) /* write-back */
2498 bdrv_flags
|= BDRV_O_CACHE_WB
;
2499 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0 || qemu_key_check(bdrv
, file
)) {
2500 fprintf(stderr
, "qemu: could not open disk image %s\n",
2507 /***********************************************************/
2510 static USBPort
*used_usb_ports
;
2511 static USBPort
*free_usb_ports
;
2513 /* ??? Maybe change this to register a hub to keep track of the topology. */
2514 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2515 usb_attachfn attach
)
2517 port
->opaque
= opaque
;
2518 port
->index
= index
;
2519 port
->attach
= attach
;
2520 port
->next
= free_usb_ports
;
2521 free_usb_ports
= port
;
2524 int usb_device_add_dev(USBDevice
*dev
)
2528 /* Find a USB port to add the device to. */
2529 port
= free_usb_ports
;
2533 /* Create a new hub and chain it on. */
2534 free_usb_ports
= NULL
;
2535 port
->next
= used_usb_ports
;
2536 used_usb_ports
= port
;
2538 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2539 usb_attach(port
, hub
);
2540 port
= free_usb_ports
;
2543 free_usb_ports
= port
->next
;
2544 port
->next
= used_usb_ports
;
2545 used_usb_ports
= port
;
2546 usb_attach(port
, dev
);
2550 static int usb_device_add(const char *devname
)
2555 if (!free_usb_ports
)
2558 if (strstart(devname
, "host:", &p
)) {
2559 dev
= usb_host_device_open(p
);
2560 } else if (!strcmp(devname
, "mouse")) {
2561 dev
= usb_mouse_init();
2562 } else if (!strcmp(devname
, "tablet")) {
2563 dev
= usb_tablet_init();
2564 } else if (!strcmp(devname
, "keyboard")) {
2565 dev
= usb_keyboard_init();
2566 } else if (strstart(devname
, "disk:", &p
)) {
2567 dev
= usb_msd_init(p
);
2568 } else if (!strcmp(devname
, "wacom-tablet")) {
2569 dev
= usb_wacom_init();
2570 } else if (strstart(devname
, "serial:", &p
)) {
2571 dev
= usb_serial_init(p
);
2572 #ifdef CONFIG_BRLAPI
2573 } else if (!strcmp(devname
, "braille")) {
2574 dev
= usb_baum_init();
2576 } else if (strstart(devname
, "net:", &p
)) {
2579 if (net_client_init("nic", p
) < 0)
2581 nd_table
[nic
].model
= "usb";
2582 dev
= usb_net_init(&nd_table
[nic
]);
2583 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2584 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2585 bt_new_hci(qemu_find_bt_vlan(0)));
2592 return usb_device_add_dev(dev
);
2595 int usb_device_del_addr(int bus_num
, int addr
)
2601 if (!used_usb_ports
)
2607 lastp
= &used_usb_ports
;
2608 port
= used_usb_ports
;
2609 while (port
&& port
->dev
->addr
!= addr
) {
2610 lastp
= &port
->next
;
2618 *lastp
= port
->next
;
2619 usb_attach(port
, NULL
);
2620 dev
->handle_destroy(dev
);
2621 port
->next
= free_usb_ports
;
2622 free_usb_ports
= port
;
2626 static int usb_device_del(const char *devname
)
2631 if (strstart(devname
, "host:", &p
))
2632 return usb_host_device_close(p
);
2634 if (!used_usb_ports
)
2637 p
= strchr(devname
, '.');
2640 bus_num
= strtoul(devname
, NULL
, 0);
2641 addr
= strtoul(p
+ 1, NULL
, 0);
2643 return usb_device_del_addr(bus_num
, addr
);
2646 void do_usb_add(const char *devname
)
2648 usb_device_add(devname
);
2651 void do_usb_del(const char *devname
)
2653 usb_device_del(devname
);
2660 const char *speed_str
;
2663 term_printf("USB support not enabled\n");
2667 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2671 switch(dev
->speed
) {
2675 case USB_SPEED_FULL
:
2678 case USB_SPEED_HIGH
:
2685 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2686 0, dev
->addr
, speed_str
, dev
->devname
);
2690 /***********************************************************/
2691 /* PCMCIA/Cardbus */
2693 static struct pcmcia_socket_entry_s
{
2694 struct pcmcia_socket_s
*socket
;
2695 struct pcmcia_socket_entry_s
*next
;
2696 } *pcmcia_sockets
= 0;
2698 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2700 struct pcmcia_socket_entry_s
*entry
;
2702 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2703 entry
->socket
= socket
;
2704 entry
->next
= pcmcia_sockets
;
2705 pcmcia_sockets
= entry
;
2708 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2710 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2712 ptr
= &pcmcia_sockets
;
2713 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2714 if (entry
->socket
== socket
) {
2720 void pcmcia_info(void)
2722 struct pcmcia_socket_entry_s
*iter
;
2723 if (!pcmcia_sockets
)
2724 term_printf("No PCMCIA sockets\n");
2726 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2727 term_printf("%s: %s\n", iter
->socket
->slot_string
,
2728 iter
->socket
->attached
? iter
->socket
->card_string
:
2732 /***********************************************************/
2735 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
2739 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
2743 static void dumb_display_init(DisplayState
*ds
)
2748 ds
->dpy_update
= dumb_update
;
2749 ds
->dpy_resize
= dumb_resize
;
2750 ds
->dpy_refresh
= NULL
;
2751 ds
->gui_timer_interval
= 0;
2755 /***********************************************************/
2758 #define MAX_IO_HANDLERS 64
2760 typedef struct IOHandlerRecord
{
2762 IOCanRWHandler
*fd_read_poll
;
2764 IOHandler
*fd_write
;
2767 /* temporary data */
2769 struct IOHandlerRecord
*next
;
2772 static IOHandlerRecord
*first_io_handler
;
2774 /* XXX: fd_read_poll should be suppressed, but an API change is
2775 necessary in the character devices to suppress fd_can_read(). */
2776 int qemu_set_fd_handler2(int fd
,
2777 IOCanRWHandler
*fd_read_poll
,
2779 IOHandler
*fd_write
,
2782 IOHandlerRecord
**pioh
, *ioh
;
2784 if (!fd_read
&& !fd_write
) {
2785 pioh
= &first_io_handler
;
2790 if (ioh
->fd
== fd
) {
2797 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2801 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2804 ioh
->next
= first_io_handler
;
2805 first_io_handler
= ioh
;
2808 ioh
->fd_read_poll
= fd_read_poll
;
2809 ioh
->fd_read
= fd_read
;
2810 ioh
->fd_write
= fd_write
;
2811 ioh
->opaque
= opaque
;
2817 int qemu_set_fd_handler(int fd
,
2819 IOHandler
*fd_write
,
2822 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2826 /***********************************************************/
2827 /* Polling handling */
2829 typedef struct PollingEntry
{
2832 struct PollingEntry
*next
;
2835 static PollingEntry
*first_polling_entry
;
2837 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2839 PollingEntry
**ppe
, *pe
;
2840 pe
= qemu_mallocz(sizeof(PollingEntry
));
2844 pe
->opaque
= opaque
;
2845 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
2850 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
2852 PollingEntry
**ppe
, *pe
;
2853 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
2855 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
2863 /***********************************************************/
2864 /* Wait objects support */
2865 typedef struct WaitObjects
{
2867 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
2868 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
2869 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
2872 static WaitObjects wait_objects
= {0};
2874 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2876 WaitObjects
*w
= &wait_objects
;
2878 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
2880 w
->events
[w
->num
] = handle
;
2881 w
->func
[w
->num
] = func
;
2882 w
->opaque
[w
->num
] = opaque
;
2887 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2890 WaitObjects
*w
= &wait_objects
;
2893 for (i
= 0; i
< w
->num
; i
++) {
2894 if (w
->events
[i
] == handle
)
2897 w
->events
[i
] = w
->events
[i
+ 1];
2898 w
->func
[i
] = w
->func
[i
+ 1];
2899 w
->opaque
[i
] = w
->opaque
[i
+ 1];
2907 #define SELF_ANNOUNCE_ROUNDS 5
2908 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
2909 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
2910 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
2912 static int announce_self_create(uint8_t *buf
,
2915 uint32_t magic
= EXPERIMENTAL_MAGIC
;
2916 uint16_t proto
= htons(ETH_P_EXPERIMENTAL
);
2918 /* FIXME: should we send a different packet (arp/rarp/ping)? */
2920 memset(buf
, 0xff, 6); /* h_dst */
2921 memcpy(buf
+ 6, mac_addr
, 6); /* h_src */
2922 memcpy(buf
+ 12, &proto
, 2); /* h_proto */
2923 memcpy(buf
+ 14, &magic
, 4); /* magic */
2925 return 18; /* len */
2928 void qemu_announce_self(void)
2932 VLANClientState
*vc
;
2935 for (i
= 0; i
< nb_nics
; i
++) {
2936 len
= announce_self_create(buf
, nd_table
[i
].macaddr
);
2937 vlan
= nd_table
[i
].vlan
;
2938 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
2939 for (j
=0; j
< SELF_ANNOUNCE_ROUNDS
; j
++)
2940 vc
->fd_read(vc
->opaque
, buf
, len
);
2945 /***********************************************************/
2946 /* savevm/loadvm support */
2948 #define IO_BUF_SIZE 32768
2951 QEMUFilePutBufferFunc
*put_buffer
;
2952 QEMUFileGetBufferFunc
*get_buffer
;
2953 QEMUFileCloseFunc
*close
;
2954 QEMUFileRateLimit
*rate_limit
;
2958 int64_t buf_offset
; /* start of buffer when writing, end of buffer
2961 int buf_size
; /* 0 when writing */
2962 uint8_t buf
[IO_BUF_SIZE
];
2967 typedef struct QEMUFileSocket
2973 static int socket_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
2975 QEMUFileSocket
*s
= opaque
;
2979 len
= recv(s
->fd
, buf
, size
, 0);
2980 } while (len
== -1 && socket_error() == EINTR
);
2983 len
= -socket_error();
2988 static int socket_close(void *opaque
)
2990 QEMUFileSocket
*s
= opaque
;
2995 QEMUFile
*qemu_fopen_socket(int fd
)
2997 QEMUFileSocket
*s
= qemu_mallocz(sizeof(QEMUFileSocket
));
3003 s
->file
= qemu_fopen_ops(s
, NULL
, socket_get_buffer
, socket_close
, NULL
);
3007 typedef struct QEMUFileStdio
3012 static int file_put_buffer(void *opaque
, const uint8_t *buf
,
3013 int64_t pos
, int size
)
3015 QEMUFileStdio
*s
= opaque
;
3016 fseek(s
->outfile
, pos
, SEEK_SET
);
3017 fwrite(buf
, 1, size
, s
->outfile
);
3021 static int file_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
3023 QEMUFileStdio
*s
= opaque
;
3024 fseek(s
->outfile
, pos
, SEEK_SET
);
3025 return fread(buf
, 1, size
, s
->outfile
);
3028 static int file_close(void *opaque
)
3030 QEMUFileStdio
*s
= opaque
;
3036 QEMUFile
*qemu_fopen(const char *filename
, const char *mode
)
3040 s
= qemu_mallocz(sizeof(QEMUFileStdio
));
3044 s
->outfile
= fopen(filename
, mode
);
3048 if (!strcmp(mode
, "wb"))
3049 return qemu_fopen_ops(s
, file_put_buffer
, NULL
, file_close
, NULL
);
3050 else if (!strcmp(mode
, "rb"))
3051 return qemu_fopen_ops(s
, NULL
, file_get_buffer
, file_close
, NULL
);
3060 typedef struct QEMUFileBdrv
3062 BlockDriverState
*bs
;
3063 int64_t base_offset
;
3066 static int bdrv_put_buffer(void *opaque
, const uint8_t *buf
,
3067 int64_t pos
, int size
)
3069 QEMUFileBdrv
*s
= opaque
;
3070 bdrv_pwrite(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
3074 static int bdrv_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
3076 QEMUFileBdrv
*s
= opaque
;
3077 return bdrv_pread(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
3080 static int bdrv_fclose(void *opaque
)
3082 QEMUFileBdrv
*s
= opaque
;
3087 static QEMUFile
*qemu_fopen_bdrv(BlockDriverState
*bs
, int64_t offset
, int is_writable
)
3091 s
= qemu_mallocz(sizeof(QEMUFileBdrv
));
3096 s
->base_offset
= offset
;
3099 return qemu_fopen_ops(s
, bdrv_put_buffer
, NULL
, bdrv_fclose
, NULL
);
3101 return qemu_fopen_ops(s
, NULL
, bdrv_get_buffer
, bdrv_fclose
, NULL
);
3104 QEMUFile
*qemu_fopen_ops(void *opaque
, QEMUFilePutBufferFunc
*put_buffer
,
3105 QEMUFileGetBufferFunc
*get_buffer
,
3106 QEMUFileCloseFunc
*close
,
3107 QEMUFileRateLimit
*rate_limit
)
3111 f
= qemu_mallocz(sizeof(QEMUFile
));
3116 f
->put_buffer
= put_buffer
;
3117 f
->get_buffer
= get_buffer
;
3119 f
->rate_limit
= rate_limit
;
3125 int qemu_file_has_error(QEMUFile
*f
)
3127 return f
->has_error
;
3130 void qemu_fflush(QEMUFile
*f
)
3135 if (f
->is_write
&& f
->buf_index
> 0) {
3138 len
= f
->put_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, f
->buf_index
);
3140 f
->buf_offset
+= f
->buf_index
;
3147 static void qemu_fill_buffer(QEMUFile
*f
)
3157 len
= f
->get_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, IO_BUF_SIZE
);
3161 f
->buf_offset
+= len
;
3162 } else if (len
!= -EAGAIN
)
3166 int qemu_fclose(QEMUFile
*f
)
3171 ret
= f
->close(f
->opaque
);
3176 void qemu_file_put_notify(QEMUFile
*f
)
3178 f
->put_buffer(f
->opaque
, NULL
, 0, 0);
3181 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
3185 if (!f
->has_error
&& f
->is_write
== 0 && f
->buf_index
> 0) {
3187 "Attempted to write to buffer while read buffer is not empty\n");
3191 while (!f
->has_error
&& size
> 0) {
3192 l
= IO_BUF_SIZE
- f
->buf_index
;
3195 memcpy(f
->buf
+ f
->buf_index
, buf
, l
);
3200 if (f
->buf_index
>= IO_BUF_SIZE
)
3205 void qemu_put_byte(QEMUFile
*f
, int v
)
3207 if (!f
->has_error
&& f
->is_write
== 0 && f
->buf_index
> 0) {
3209 "Attempted to write to buffer while read buffer is not empty\n");
3213 f
->buf
[f
->buf_index
++] = v
;
3215 if (f
->buf_index
>= IO_BUF_SIZE
)
3219 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size1
)
3228 l
= f
->buf_size
- f
->buf_index
;
3230 qemu_fill_buffer(f
);
3231 l
= f
->buf_size
- f
->buf_index
;
3237 memcpy(buf
, f
->buf
+ f
->buf_index
, l
);
3242 return size1
- size
;
3245 int qemu_get_byte(QEMUFile
*f
)
3250 if (f
->buf_index
>= f
->buf_size
) {
3251 qemu_fill_buffer(f
);
3252 if (f
->buf_index
>= f
->buf_size
)
3255 return f
->buf
[f
->buf_index
++];
3258 int64_t qemu_ftell(QEMUFile
*f
)
3260 return f
->buf_offset
- f
->buf_size
+ f
->buf_index
;
3263 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
3265 if (whence
== SEEK_SET
) {
3267 } else if (whence
== SEEK_CUR
) {
3268 pos
+= qemu_ftell(f
);
3270 /* SEEK_END not supported */
3273 if (f
->put_buffer
) {
3275 f
->buf_offset
= pos
;
3277 f
->buf_offset
= pos
;
3284 int qemu_file_rate_limit(QEMUFile
*f
)
3287 return f
->rate_limit(f
->opaque
);
3292 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
3294 qemu_put_byte(f
, v
>> 8);
3295 qemu_put_byte(f
, v
);
3298 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
3300 qemu_put_byte(f
, v
>> 24);
3301 qemu_put_byte(f
, v
>> 16);
3302 qemu_put_byte(f
, v
>> 8);
3303 qemu_put_byte(f
, v
);
3306 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
3308 qemu_put_be32(f
, v
>> 32);
3309 qemu_put_be32(f
, v
);
3312 unsigned int qemu_get_be16(QEMUFile
*f
)
3315 v
= qemu_get_byte(f
) << 8;
3316 v
|= qemu_get_byte(f
);
3320 unsigned int qemu_get_be32(QEMUFile
*f
)
3323 v
= qemu_get_byte(f
) << 24;
3324 v
|= qemu_get_byte(f
) << 16;
3325 v
|= qemu_get_byte(f
) << 8;
3326 v
|= qemu_get_byte(f
);
3330 uint64_t qemu_get_be64(QEMUFile
*f
)
3333 v
= (uint64_t)qemu_get_be32(f
) << 32;
3334 v
|= qemu_get_be32(f
);
3338 typedef struct SaveStateEntry
{
3343 SaveLiveStateHandler
*save_live_state
;
3344 SaveStateHandler
*save_state
;
3345 LoadStateHandler
*load_state
;
3347 struct SaveStateEntry
*next
;
3350 static SaveStateEntry
*first_se
;
3352 /* TODO: Individual devices generally have very little idea about the rest
3353 of the system, so instance_id should be removed/replaced.
3354 Meanwhile pass -1 as instance_id if you do not already have a clearly
3355 distinguishing id for all instances of your device class. */
3356 int register_savevm_live(const char *idstr
,
3359 SaveLiveStateHandler
*save_live_state
,
3360 SaveStateHandler
*save_state
,
3361 LoadStateHandler
*load_state
,
3364 SaveStateEntry
*se
, **pse
;
3365 static int global_section_id
;
3367 se
= qemu_malloc(sizeof(SaveStateEntry
));
3370 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
3371 se
->instance_id
= (instance_id
== -1) ? 0 : instance_id
;
3372 se
->version_id
= version_id
;
3373 se
->section_id
= global_section_id
++;
3374 se
->save_live_state
= save_live_state
;
3375 se
->save_state
= save_state
;
3376 se
->load_state
= load_state
;
3377 se
->opaque
= opaque
;
3380 /* add at the end of list */
3382 while (*pse
!= NULL
) {
3383 if (instance_id
== -1
3384 && strcmp(se
->idstr
, (*pse
)->idstr
) == 0
3385 && se
->instance_id
<= (*pse
)->instance_id
)
3386 se
->instance_id
= (*pse
)->instance_id
+ 1;
3387 pse
= &(*pse
)->next
;
3393 int register_savevm(const char *idstr
,
3396 SaveStateHandler
*save_state
,
3397 LoadStateHandler
*load_state
,
3400 return register_savevm_live(idstr
, instance_id
, version_id
,
3401 NULL
, save_state
, load_state
, opaque
);
3404 #define QEMU_VM_FILE_MAGIC 0x5145564d
3405 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
3406 #define QEMU_VM_FILE_VERSION 0x00000003
3408 #define QEMU_VM_EOF 0x00
3409 #define QEMU_VM_SECTION_START 0x01
3410 #define QEMU_VM_SECTION_PART 0x02
3411 #define QEMU_VM_SECTION_END 0x03
3412 #define QEMU_VM_SECTION_FULL 0x04
3414 int qemu_savevm_state_begin(QEMUFile
*f
)
3418 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
3419 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
3421 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
3424 if (se
->save_live_state
== NULL
)
3428 qemu_put_byte(f
, QEMU_VM_SECTION_START
);
3429 qemu_put_be32(f
, se
->section_id
);
3432 len
= strlen(se
->idstr
);
3433 qemu_put_byte(f
, len
);
3434 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
3436 qemu_put_be32(f
, se
->instance_id
);
3437 qemu_put_be32(f
, se
->version_id
);
3439 se
->save_live_state(f
, QEMU_VM_SECTION_START
, se
->opaque
);
3442 if (qemu_file_has_error(f
))
3448 int qemu_savevm_state_iterate(QEMUFile
*f
)
3453 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
3454 if (se
->save_live_state
== NULL
)
3458 qemu_put_byte(f
, QEMU_VM_SECTION_PART
);
3459 qemu_put_be32(f
, se
->section_id
);
3461 ret
&= !!se
->save_live_state(f
, QEMU_VM_SECTION_PART
, se
->opaque
);
3467 if (qemu_file_has_error(f
))
3473 int qemu_savevm_state_complete(QEMUFile
*f
)
3477 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
3478 if (se
->save_live_state
== NULL
)
3482 qemu_put_byte(f
, QEMU_VM_SECTION_END
);
3483 qemu_put_be32(f
, se
->section_id
);
3485 se
->save_live_state(f
, QEMU_VM_SECTION_END
, se
->opaque
);
3488 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
3491 if (se
->save_state
== NULL
)
3495 qemu_put_byte(f
, QEMU_VM_SECTION_FULL
);
3496 qemu_put_be32(f
, se
->section_id
);
3499 len
= strlen(se
->idstr
);
3500 qemu_put_byte(f
, len
);
3501 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
3503 qemu_put_be32(f
, se
->instance_id
);
3504 qemu_put_be32(f
, se
->version_id
);
3506 se
->save_state(f
, se
->opaque
);
3509 qemu_put_byte(f
, QEMU_VM_EOF
);
3511 if (qemu_file_has_error(f
))
3517 int qemu_savevm_state(QEMUFile
*f
)
3519 int saved_vm_running
;
3522 saved_vm_running
= vm_running
;
3527 ret
= qemu_savevm_state_begin(f
);
3532 ret
= qemu_savevm_state_iterate(f
);
3537 ret
= qemu_savevm_state_complete(f
);
3540 if (qemu_file_has_error(f
))
3543 if (!ret
&& saved_vm_running
)
3549 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
3553 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
3554 if (!strcmp(se
->idstr
, idstr
) &&
3555 instance_id
== se
->instance_id
)
3561 typedef struct LoadStateEntry
{
3565 struct LoadStateEntry
*next
;
3568 static int qemu_loadvm_state_v2(QEMUFile
*f
)
3571 int len
, ret
, instance_id
, record_len
, version_id
;
3572 int64_t total_len
, end_pos
, cur_pos
;
3575 total_len
= qemu_get_be64(f
);
3576 end_pos
= total_len
+ qemu_ftell(f
);
3578 if (qemu_ftell(f
) >= end_pos
)
3580 len
= qemu_get_byte(f
);
3581 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
3583 instance_id
= qemu_get_be32(f
);
3584 version_id
= qemu_get_be32(f
);
3585 record_len
= qemu_get_be32(f
);
3586 cur_pos
= qemu_ftell(f
);
3587 se
= find_se(idstr
, instance_id
);
3589 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
3590 instance_id
, idstr
);
3592 ret
= se
->load_state(f
, se
->opaque
, version_id
);
3594 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
3595 instance_id
, idstr
);
3598 /* always seek to exact end of record */
3599 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
3602 if (qemu_file_has_error(f
))
3608 int qemu_loadvm_state(QEMUFile
*f
)
3610 LoadStateEntry
*first_le
= NULL
;
3611 uint8_t section_type
;
3615 v
= qemu_get_be32(f
);
3616 if (v
!= QEMU_VM_FILE_MAGIC
)
3619 v
= qemu_get_be32(f
);
3620 if (v
== QEMU_VM_FILE_VERSION_COMPAT
)
3621 return qemu_loadvm_state_v2(f
);
3622 if (v
!= QEMU_VM_FILE_VERSION
)
3625 while ((section_type
= qemu_get_byte(f
)) != QEMU_VM_EOF
) {
3626 uint32_t instance_id
, version_id
, section_id
;
3632 switch (section_type
) {
3633 case QEMU_VM_SECTION_START
:
3634 case QEMU_VM_SECTION_FULL
:
3635 /* Read section start */
3636 section_id
= qemu_get_be32(f
);
3637 len
= qemu_get_byte(f
);
3638 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
3640 instance_id
= qemu_get_be32(f
);
3641 version_id
= qemu_get_be32(f
);
3643 /* Find savevm section */
3644 se
= find_se(idstr
, instance_id
);
3646 fprintf(stderr
, "Unknown savevm section or instance '%s' %d\n", idstr
, instance_id
);
3651 /* Validate version */
3652 if (version_id
> se
->version_id
) {
3653 fprintf(stderr
, "savevm: unsupported version %d for '%s' v%d\n",
3654 version_id
, idstr
, se
->version_id
);
3660 le
= qemu_mallocz(sizeof(*le
));
3667 le
->section_id
= section_id
;
3668 le
->version_id
= version_id
;
3669 le
->next
= first_le
;
3672 le
->se
->load_state(f
, le
->se
->opaque
, le
->version_id
);
3674 case QEMU_VM_SECTION_PART
:
3675 case QEMU_VM_SECTION_END
:
3676 section_id
= qemu_get_be32(f
);
3678 for (le
= first_le
; le
&& le
->section_id
!= section_id
; le
= le
->next
);
3680 fprintf(stderr
, "Unknown savevm section %d\n", section_id
);
3685 le
->se
->load_state(f
, le
->se
->opaque
, le
->version_id
);
3688 fprintf(stderr
, "Unknown savevm section type %d\n", section_type
);
3698 LoadStateEntry
*le
= first_le
;
3699 first_le
= first_le
->next
;
3703 if (qemu_file_has_error(f
))
3709 /* device can contain snapshots */
3710 static int bdrv_can_snapshot(BlockDriverState
*bs
)
3713 !bdrv_is_removable(bs
) &&
3714 !bdrv_is_read_only(bs
));
3717 /* device must be snapshots in order to have a reliable snapshot */
3718 static int bdrv_has_snapshot(BlockDriverState
*bs
)
3721 !bdrv_is_removable(bs
) &&
3722 !bdrv_is_read_only(bs
));
3725 static BlockDriverState
*get_bs_snapshots(void)
3727 BlockDriverState
*bs
;
3731 return bs_snapshots
;
3732 for(i
= 0; i
<= nb_drives
; i
++) {
3733 bs
= drives_table
[i
].bdrv
;
3734 if (bdrv_can_snapshot(bs
))
3743 static int bdrv_snapshot_find(BlockDriverState
*bs
, QEMUSnapshotInfo
*sn_info
,
3746 QEMUSnapshotInfo
*sn_tab
, *sn
;
3750 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
3753 for(i
= 0; i
< nb_sns
; i
++) {
3755 if (!strcmp(sn
->id_str
, name
) || !strcmp(sn
->name
, name
)) {
3765 void do_savevm(const char *name
)
3767 BlockDriverState
*bs
, *bs1
;
3768 QEMUSnapshotInfo sn1
, *sn
= &sn1
, old_sn1
, *old_sn
= &old_sn1
;
3769 int must_delete
, ret
, i
;
3770 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
3772 int saved_vm_running
;
3779 bs
= get_bs_snapshots();
3781 term_printf("No block device can accept snapshots\n");
3785 /* ??? Should this occur after vm_stop? */
3788 saved_vm_running
= vm_running
;
3793 ret
= bdrv_snapshot_find(bs
, old_sn
, name
);
3798 memset(sn
, 0, sizeof(*sn
));
3800 pstrcpy(sn
->name
, sizeof(sn
->name
), old_sn
->name
);
3801 pstrcpy(sn
->id_str
, sizeof(sn
->id_str
), old_sn
->id_str
);
3804 pstrcpy(sn
->name
, sizeof(sn
->name
), name
);
3807 /* fill auxiliary fields */
3810 sn
->date_sec
= tb
.time
;
3811 sn
->date_nsec
= tb
.millitm
* 1000000;
3813 gettimeofday(&tv
, NULL
);
3814 sn
->date_sec
= tv
.tv_sec
;
3815 sn
->date_nsec
= tv
.tv_usec
* 1000;
3817 sn
->vm_clock_nsec
= qemu_get_clock(vm_clock
);
3819 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
3820 term_printf("Device %s does not support VM state snapshots\n",
3821 bdrv_get_device_name(bs
));
3825 /* save the VM state */
3826 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 1);
3828 term_printf("Could not open VM state file\n");
3831 ret
= qemu_savevm_state(f
);
3832 sn
->vm_state_size
= qemu_ftell(f
);
3835 term_printf("Error %d while writing VM\n", ret
);
3839 /* create the snapshots */
3841 for(i
= 0; i
< nb_drives
; i
++) {
3842 bs1
= drives_table
[i
].bdrv
;
3843 if (bdrv_has_snapshot(bs1
)) {
3845 ret
= bdrv_snapshot_delete(bs1
, old_sn
->id_str
);
3847 term_printf("Error while deleting snapshot on '%s'\n",
3848 bdrv_get_device_name(bs1
));
3851 ret
= bdrv_snapshot_create(bs1
, sn
);
3853 term_printf("Error while creating snapshot on '%s'\n",
3854 bdrv_get_device_name(bs1
));
3860 if (saved_vm_running
)
3864 void do_loadvm(const char *name
)
3866 BlockDriverState
*bs
, *bs1
;
3867 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
3870 int saved_vm_running
;
3872 bs
= get_bs_snapshots();
3874 term_printf("No block device supports snapshots\n");
3878 /* Flush all IO requests so they don't interfere with the new state. */
3881 saved_vm_running
= vm_running
;
3884 for(i
= 0; i
<= nb_drives
; i
++) {
3885 bs1
= drives_table
[i
].bdrv
;
3886 if (bdrv_has_snapshot(bs1
)) {
3887 ret
= bdrv_snapshot_goto(bs1
, name
);
3890 term_printf("Warning: ");
3893 term_printf("Snapshots not supported on device '%s'\n",
3894 bdrv_get_device_name(bs1
));
3897 term_printf("Could not find snapshot '%s' on device '%s'\n",
3898 name
, bdrv_get_device_name(bs1
));
3901 term_printf("Error %d while activating snapshot on '%s'\n",
3902 ret
, bdrv_get_device_name(bs1
));
3905 /* fatal on snapshot block device */
3912 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
3913 term_printf("Device %s does not support VM state snapshots\n",
3914 bdrv_get_device_name(bs
));
3918 /* restore the VM state */
3919 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 0);
3921 term_printf("Could not open VM state file\n");
3924 ret
= qemu_loadvm_state(f
);
3927 term_printf("Error %d while loading VM state\n", ret
);
3930 if (saved_vm_running
)
3934 void do_delvm(const char *name
)
3936 BlockDriverState
*bs
, *bs1
;
3939 bs
= get_bs_snapshots();
3941 term_printf("No block device supports snapshots\n");
3945 for(i
= 0; i
<= nb_drives
; i
++) {
3946 bs1
= drives_table
[i
].bdrv
;
3947 if (bdrv_has_snapshot(bs1
)) {
3948 ret
= bdrv_snapshot_delete(bs1
, name
);
3950 if (ret
== -ENOTSUP
)
3951 term_printf("Snapshots not supported on device '%s'\n",
3952 bdrv_get_device_name(bs1
));
3954 term_printf("Error %d while deleting snapshot on '%s'\n",
3955 ret
, bdrv_get_device_name(bs1
));
3961 void do_info_snapshots(void)
3963 BlockDriverState
*bs
, *bs1
;
3964 QEMUSnapshotInfo
*sn_tab
, *sn
;
3968 bs
= get_bs_snapshots();
3970 term_printf("No available block device supports snapshots\n");
3973 term_printf("Snapshot devices:");
3974 for(i
= 0; i
<= nb_drives
; i
++) {
3975 bs1
= drives_table
[i
].bdrv
;
3976 if (bdrv_has_snapshot(bs1
)) {
3978 term_printf(" %s", bdrv_get_device_name(bs1
));
3983 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
3985 term_printf("bdrv_snapshot_list: error %d\n", nb_sns
);
3988 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs
));
3989 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), NULL
));
3990 for(i
= 0; i
< nb_sns
; i
++) {
3992 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), sn
));
3997 /***********************************************************/
3998 /* ram save/restore */
4000 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
4004 v
= qemu_get_byte(f
);
4007 if (qemu_get_buffer(f
, buf
, len
) != len
)
4011 v
= qemu_get_byte(f
);
4012 memset(buf
, v
, len
);
4018 if (qemu_file_has_error(f
))
4024 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
4029 if (qemu_get_be32(f
) != phys_ram_size
)
4031 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
4032 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
4039 #define BDRV_HASH_BLOCK_SIZE 1024
4040 #define IOBUF_SIZE 4096
4041 #define RAM_CBLOCK_MAGIC 0xfabe
4043 typedef struct RamDecompressState
{
4046 uint8_t buf
[IOBUF_SIZE
];
4047 } RamDecompressState
;
4049 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
4052 memset(s
, 0, sizeof(*s
));
4054 ret
= inflateInit(&s
->zstream
);
4060 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
4064 s
->zstream
.avail_out
= len
;
4065 s
->zstream
.next_out
= buf
;
4066 while (s
->zstream
.avail_out
> 0) {
4067 if (s
->zstream
.avail_in
== 0) {
4068 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
4070 clen
= qemu_get_be16(s
->f
);
4071 if (clen
> IOBUF_SIZE
)
4073 qemu_get_buffer(s
->f
, s
->buf
, clen
);
4074 s
->zstream
.avail_in
= clen
;
4075 s
->zstream
.next_in
= s
->buf
;
4077 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
4078 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
4085 static void ram_decompress_close(RamDecompressState
*s
)
4087 inflateEnd(&s
->zstream
);
4090 #define RAM_SAVE_FLAG_FULL 0x01
4091 #define RAM_SAVE_FLAG_COMPRESS 0x02
4092 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
4093 #define RAM_SAVE_FLAG_PAGE 0x08
4094 #define RAM_SAVE_FLAG_EOS 0x10
4096 static int is_dup_page(uint8_t *page
, uint8_t ch
)
4098 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
4099 uint32_t *array
= (uint32_t *)page
;
4102 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
4103 if (array
[i
] != val
)
4110 static int ram_save_block(QEMUFile
*f
)
4112 static ram_addr_t current_addr
= 0;
4113 ram_addr_t saved_addr
= current_addr
;
4114 ram_addr_t addr
= 0;
4117 while (addr
< phys_ram_size
) {
4118 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
4121 cpu_physical_memory_reset_dirty(current_addr
,
4122 current_addr
+ TARGET_PAGE_SIZE
,
4123 MIGRATION_DIRTY_FLAG
);
4125 ch
= *(phys_ram_base
+ current_addr
);
4127 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
4128 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
4129 qemu_put_byte(f
, ch
);
4131 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
4132 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
4138 addr
+= TARGET_PAGE_SIZE
;
4139 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
4145 static ram_addr_t ram_save_threshold
= 10;
4147 static ram_addr_t
ram_save_remaining(void)
4150 ram_addr_t count
= 0;
4152 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
4153 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
4160 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
4165 /* Make sure all dirty bits are set */
4166 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
4167 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
4168 cpu_physical_memory_set_dirty(addr
);
4171 /* Enable dirty memory tracking */
4172 cpu_physical_memory_set_dirty_tracking(1);
4174 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
4177 while (!qemu_file_rate_limit(f
)) {
4180 ret
= ram_save_block(f
);
4181 if (ret
== 0) /* no more blocks */
4185 /* try transferring iterative blocks of memory */
4188 cpu_physical_memory_set_dirty_tracking(0);
4190 /* flush all remaining blocks regardless of rate limiting */
4191 while (ram_save_block(f
) != 0);
4194 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
4196 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
4199 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
4201 RamDecompressState s1
, *s
= &s1
;
4205 if (ram_decompress_open(s
, f
) < 0)
4207 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
4208 if (ram_decompress_buf(s
, buf
, 1) < 0) {
4209 fprintf(stderr
, "Error while reading ram block header\n");
4213 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
4214 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
4219 printf("Error block header\n");
4223 ram_decompress_close(s
);
4228 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
4233 if (version_id
== 1)
4234 return ram_load_v1(f
, opaque
);
4236 if (version_id
== 2) {
4237 if (qemu_get_be32(f
) != phys_ram_size
)
4239 return ram_load_dead(f
, opaque
);
4242 if (version_id
!= 3)
4246 addr
= qemu_get_be64(f
);
4248 flags
= addr
& ~TARGET_PAGE_MASK
;
4249 addr
&= TARGET_PAGE_MASK
;
4251 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
4252 if (addr
!= phys_ram_size
)
4256 if (flags
& RAM_SAVE_FLAG_FULL
) {
4257 if (ram_load_dead(f
, opaque
) < 0)
4261 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
4262 uint8_t ch
= qemu_get_byte(f
);
4263 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
4264 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
4265 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
4266 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
4271 void qemu_service_io(void)
4273 CPUState
*env
= cpu_single_env
;
4275 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
4277 if (env
->kqemu_enabled
) {
4278 kqemu_cpu_interrupt(env
);
4284 /***********************************************************/
4285 /* bottom halves (can be seen as timers which expire ASAP) */
4296 static QEMUBH
*first_bh
= NULL
;
4298 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
4301 bh
= qemu_mallocz(sizeof(QEMUBH
));
4305 bh
->opaque
= opaque
;
4306 bh
->next
= first_bh
;
4311 int qemu_bh_poll(void)
4317 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
4318 if (!bh
->deleted
&& bh
->scheduled
) {
4327 /* remove deleted bhs */
4341 void qemu_bh_schedule_idle(QEMUBH
*bh
)
4349 void qemu_bh_schedule(QEMUBH
*bh
)
4351 CPUState
*env
= cpu_single_env
;
4356 /* stop the currently executing CPU to execute the BH ASAP */
4358 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
4362 void qemu_bh_cancel(QEMUBH
*bh
)
4367 void qemu_bh_delete(QEMUBH
*bh
)
4373 static void qemu_bh_update_timeout(int *timeout
)
4377 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
4378 if (!bh
->deleted
&& bh
->scheduled
) {
4380 /* idle bottom halves will be polled at least
4382 *timeout
= MIN(10, *timeout
);
4384 /* non-idle bottom halves will be executed
4393 /***********************************************************/
4394 /* machine registration */
4396 static QEMUMachine
*first_machine
= NULL
;
4398 int qemu_register_machine(QEMUMachine
*m
)
4401 pm
= &first_machine
;
4409 static QEMUMachine
*find_machine(const char *name
)
4413 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4414 if (!strcmp(m
->name
, name
))
4420 /***********************************************************/
4421 /* main execution loop */
4423 static void gui_update(void *opaque
)
4425 DisplayState
*ds
= opaque
;
4426 ds
->dpy_refresh(ds
);
4427 qemu_mod_timer(ds
->gui_timer
,
4428 (ds
->gui_timer_interval
?
4429 ds
->gui_timer_interval
:
4430 GUI_REFRESH_INTERVAL
)
4431 + qemu_get_clock(rt_clock
));
4434 struct vm_change_state_entry
{
4435 VMChangeStateHandler
*cb
;
4437 LIST_ENTRY (vm_change_state_entry
) entries
;
4440 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
4442 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
4445 VMChangeStateEntry
*e
;
4447 e
= qemu_mallocz(sizeof (*e
));
4453 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
4457 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
4459 LIST_REMOVE (e
, entries
);
4463 static void vm_state_notify(int running
)
4465 VMChangeStateEntry
*e
;
4467 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
4468 e
->cb(e
->opaque
, running
);
4472 /* XXX: support several handlers */
4473 static VMStopHandler
*vm_stop_cb
;
4474 static void *vm_stop_opaque
;
4476 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
4479 vm_stop_opaque
= opaque
;
4483 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
4494 qemu_rearm_alarm_timer(alarm_timer
);
4498 void vm_stop(int reason
)
4501 cpu_disable_ticks();
4505 vm_stop_cb(vm_stop_opaque
, reason
);
4512 /* reset/shutdown handler */
4514 typedef struct QEMUResetEntry
{
4515 QEMUResetHandler
*func
;
4517 struct QEMUResetEntry
*next
;
4520 static QEMUResetEntry
*first_reset_entry
;
4521 static int reset_requested
;
4522 static int shutdown_requested
;
4523 static int powerdown_requested
;
4525 int qemu_shutdown_requested(void)
4527 int r
= shutdown_requested
;
4528 shutdown_requested
= 0;
4532 int qemu_reset_requested(void)
4534 int r
= reset_requested
;
4535 reset_requested
= 0;
4539 int qemu_powerdown_requested(void)
4541 int r
= powerdown_requested
;
4542 powerdown_requested
= 0;
4546 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
4548 QEMUResetEntry
**pre
, *re
;
4550 pre
= &first_reset_entry
;
4551 while (*pre
!= NULL
)
4552 pre
= &(*pre
)->next
;
4553 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
4555 re
->opaque
= opaque
;
4560 void qemu_system_reset(void)
4564 /* reset all devices */
4565 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
4566 re
->func(re
->opaque
);
4570 void qemu_system_reset_request(void)
4573 shutdown_requested
= 1;
4575 reset_requested
= 1;
4578 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
4581 void qemu_system_shutdown_request(void)
4583 shutdown_requested
= 1;
4585 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
4588 void qemu_system_powerdown_request(void)
4590 powerdown_requested
= 1;
4592 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
4596 void host_main_loop_wait(int *timeout
)
4602 /* XXX: need to suppress polling by better using win32 events */
4604 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
4605 ret
|= pe
->func(pe
->opaque
);
4609 WaitObjects
*w
= &wait_objects
;
4611 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
4612 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
4613 if (w
->func
[ret
- WAIT_OBJECT_0
])
4614 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
4616 /* Check for additional signaled events */
4617 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
4619 /* Check if event is signaled */
4620 ret2
= WaitForSingleObject(w
->events
[i
], 0);
4621 if(ret2
== WAIT_OBJECT_0
) {
4623 w
->func
[i
](w
->opaque
[i
]);
4624 } else if (ret2
== WAIT_TIMEOUT
) {
4626 err
= GetLastError();
4627 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
4630 } else if (ret
== WAIT_TIMEOUT
) {
4632 err
= GetLastError();
4633 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
4640 void host_main_loop_wait(int *timeout
)
4645 void main_loop_wait(int timeout
)
4647 IOHandlerRecord
*ioh
;
4648 fd_set rfds
, wfds
, xfds
;
4652 qemu_bh_update_timeout(&timeout
);
4654 host_main_loop_wait(&timeout
);
4656 /* poll any events */
4657 /* XXX: separate device handlers from system ones */
4662 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4666 (!ioh
->fd_read_poll
||
4667 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
4668 FD_SET(ioh
->fd
, &rfds
);
4672 if (ioh
->fd_write
) {
4673 FD_SET(ioh
->fd
, &wfds
);
4679 tv
.tv_sec
= timeout
/ 1000;
4680 tv
.tv_usec
= (timeout
% 1000) * 1000;
4682 #if defined(CONFIG_SLIRP)
4683 if (slirp_is_inited()) {
4684 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
4687 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
4689 IOHandlerRecord
**pioh
;
4691 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4692 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
4693 ioh
->fd_read(ioh
->opaque
);
4695 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
4696 ioh
->fd_write(ioh
->opaque
);
4700 /* remove deleted IO handlers */
4701 pioh
= &first_io_handler
;
4711 #if defined(CONFIG_SLIRP)
4712 if (slirp_is_inited()) {
4718 slirp_select_poll(&rfds
, &wfds
, &xfds
);
4722 /* Check bottom-halves last in case any of the earlier events triggered
4728 static int main_loop(void)
4731 #ifdef CONFIG_PROFILER
4736 cur_cpu
= first_cpu
;
4737 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
4744 #ifdef CONFIG_PROFILER
4745 ti
= profile_getclock();
4750 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
4751 env
->icount_decr
.u16
.low
= 0;
4752 env
->icount_extra
= 0;
4753 count
= qemu_next_deadline();
4754 count
= (count
+ (1 << icount_time_shift
) - 1)
4755 >> icount_time_shift
;
4756 qemu_icount
+= count
;
4757 decr
= (count
> 0xffff) ? 0xffff : count
;
4759 env
->icount_decr
.u16
.low
= decr
;
4760 env
->icount_extra
= count
;
4762 ret
= cpu_exec(env
);
4763 #ifdef CONFIG_PROFILER
4764 qemu_time
+= profile_getclock() - ti
;
4767 /* Fold pending instructions back into the
4768 instruction counter, and clear the interrupt flag. */
4769 qemu_icount
-= (env
->icount_decr
.u16
.low
4770 + env
->icount_extra
);
4771 env
->icount_decr
.u32
= 0;
4772 env
->icount_extra
= 0;
4774 next_cpu
= env
->next_cpu
?: first_cpu
;
4775 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
4776 ret
= EXCP_INTERRUPT
;
4780 if (ret
== EXCP_HLT
) {
4781 /* Give the next CPU a chance to run. */
4785 if (ret
!= EXCP_HALTED
)
4787 /* all CPUs are halted ? */
4793 if (shutdown_requested
) {
4794 ret
= EXCP_INTERRUPT
;
4802 if (reset_requested
) {
4803 reset_requested
= 0;
4804 qemu_system_reset();
4805 ret
= EXCP_INTERRUPT
;
4807 if (powerdown_requested
) {
4808 powerdown_requested
= 0;
4809 qemu_system_powerdown();
4810 ret
= EXCP_INTERRUPT
;
4812 if (unlikely(ret
== EXCP_DEBUG
)) {
4813 vm_stop(EXCP_DEBUG
);
4815 /* If all cpus are halted then wait until the next IRQ */
4816 /* XXX: use timeout computed from timers */
4817 if (ret
== EXCP_HALTED
) {
4821 /* Advance virtual time to the next event. */
4822 if (use_icount
== 1) {
4823 /* When not using an adaptive execution frequency
4824 we tend to get badly out of sync with real time,
4825 so just delay for a reasonable amount of time. */
4828 delta
= cpu_get_icount() - cpu_get_clock();
4831 /* If virtual time is ahead of real time then just
4833 timeout
= (delta
/ 1000000) + 1;
4835 /* Wait for either IO to occur or the next
4837 add
= qemu_next_deadline();
4838 /* We advance the timer before checking for IO.
4839 Limit the amount we advance so that early IO
4840 activity won't get the guest too far ahead. */
4844 add
= (add
+ (1 << icount_time_shift
) - 1)
4845 >> icount_time_shift
;
4847 timeout
= delta
/ 1000000;
4858 if (shutdown_requested
) {
4859 ret
= EXCP_INTERRUPT
;
4864 #ifdef CONFIG_PROFILER
4865 ti
= profile_getclock();
4867 main_loop_wait(timeout
);
4868 #ifdef CONFIG_PROFILER
4869 dev_time
+= profile_getclock() - ti
;
4872 cpu_disable_ticks();
4876 static void help(int exitcode
)
4878 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n"
4879 "usage: %s [options] [disk_image]\n"
4881 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4883 "Standard options:\n"
4884 "-M machine select emulated machine (-M ? for list)\n"
4885 "-cpu cpu select CPU (-cpu ? for list)\n"
4886 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
4887 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
4888 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
4889 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
4890 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
4891 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
4892 " [,cache=writethrough|writeback|none][,format=f]\n"
4893 " use 'file' as a drive image\n"
4894 "-mtdblock file use 'file' as on-board Flash memory image\n"
4895 "-sd file use 'file' as SecureDigital card image\n"
4896 "-pflash file use 'file' as a parallel flash image\n"
4897 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
4898 "-snapshot write to temporary files instead of disk image files\n"
4900 "-no-frame open SDL window without a frame and window decorations\n"
4901 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
4902 "-no-quit disable SDL window close capability\n"
4905 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4907 "-m megs set virtual RAM size to megs MB [default=%d]\n"
4908 "-smp n set the number of CPUs to 'n' [default=1]\n"
4909 "-nographic disable graphical output and redirect serial I/Os to console\n"
4910 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4912 "-k language use keyboard layout (for example \"fr\" for French)\n"
4915 "-audio-help print list of audio drivers and their options\n"
4916 "-soundhw c1,... enable audio support\n"
4917 " and only specified sound cards (comma separated list)\n"
4918 " use -soundhw ? to get the list of supported cards\n"
4919 " use -soundhw all to enable all of them\n"
4921 "-vga [std|cirrus|vmware]\n"
4922 " select video card type\n"
4923 "-localtime set the real time clock to local time [default=utc]\n"
4924 "-full-screen start in full screen\n"
4926 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4928 "-usb enable the USB driver (will be the default soon)\n"
4929 "-usbdevice name add the host or guest USB device 'name'\n"
4930 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4931 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
4933 "-name string set the name of the guest\n"
4934 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
4936 "Network options:\n"
4937 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
4938 " create a new Network Interface Card and connect it to VLAN 'n'\n"
4940 "-net user[,vlan=n][,hostname=host]\n"
4941 " connect the user mode network stack to VLAN 'n' and send\n"
4942 " hostname 'host' to DHCP clients\n"
4945 "-net tap[,vlan=n],ifname=name\n"
4946 " connect the host TAP network interface to VLAN 'n'\n"
4948 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4949 " connect the host TAP network interface to VLAN 'n' and use the\n"
4950 " network scripts 'file' (default=%s)\n"
4951 " and 'dfile' (default=%s);\n"
4952 " use '[down]script=no' to disable script execution;\n"
4953 " use 'fd=h' to connect to an already opened TAP interface\n"
4955 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4956 " connect the vlan 'n' to another VLAN using a socket connection\n"
4957 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
4958 " connect the vlan 'n' to multicast maddr and port\n"
4960 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4961 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4962 " on host and listening for incoming connections on 'socketpath'.\n"
4963 " Use group 'groupname' and mode 'octalmode' to change default\n"
4964 " ownership and permissions for communication port.\n"
4966 "-net none use it alone to have zero network devices; if no -net option\n"
4967 " is provided, the default is '-net nic -net user'\n"
4969 "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n"
4970 "-bt hci,host[:id]\n"
4971 " Use host's HCI with the given name\n"
4972 "-bt hci[,vlan=n]\n"
4973 " Emulate a standard HCI in virtual scatternet 'n'\n"
4974 "-bt vhci[,vlan=n]\n"
4975 " Add host computer to virtual scatternet 'n' using VHCI\n"
4976 "-bt device:dev[,vlan=n]\n"
4977 " Emulate a bluetooth device 'dev' in scatternet 'n'\n"
4980 "-tftp dir allow tftp access to files in dir [-net user]\n"
4981 "-bootp file advertise file in BOOTP replies\n"
4983 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4985 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4986 " redirect TCP or UDP connections from host to guest [-net user]\n"
4989 "Linux boot specific:\n"
4990 "-kernel bzImage use 'bzImage' as kernel image\n"
4991 "-append cmdline use 'cmdline' as kernel command line\n"
4992 "-initrd file use 'file' as initial ram disk\n"
4994 "Debug/Expert options:\n"
4995 "-monitor dev redirect the monitor to char device 'dev'\n"
4996 "-serial dev redirect the serial port to char device 'dev'\n"
4997 "-parallel dev redirect the parallel port to char device 'dev'\n"
4998 "-pidfile file Write PID to 'file'\n"
4999 "-S freeze CPU at startup (use 'c' to start execution)\n"
5000 "-s wait gdb connection to port\n"
5001 "-p port set gdb connection port [default=%s]\n"
5002 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
5003 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
5004 " translation (t=none or lba) (usually qemu can guess them)\n"
5005 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
5007 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
5008 "-no-kqemu disable KQEMU kernel module usage\n"
5011 "-enable-kvm enable KVM full virtualization support\n"
5014 "-no-acpi disable ACPI\n"
5016 #ifdef CONFIG_CURSES
5017 "-curses use a curses/ncurses interface instead of SDL\n"
5019 "-no-reboot exit instead of rebooting\n"
5020 "-no-shutdown stop before shutdown\n"
5021 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
5022 "-vnc display start a VNC server on display\n"
5024 "-daemonize daemonize QEMU after initializing\n"
5026 "-option-rom rom load a file, rom, into the option ROM space\n"
5028 "-prom-env variable=value set OpenBIOS nvram variables\n"
5030 "-clock force the use of the given methods for timer alarm.\n"
5031 " To see what timers are available use -clock ?\n"
5032 "-startdate select initial date of the clock\n"
5033 "-icount [N|auto]\n"
5034 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
5036 "During emulation, the following keys are useful:\n"
5037 "ctrl-alt-f toggle full screen\n"
5038 "ctrl-alt-n switch to virtual console 'n'\n"
5039 "ctrl-alt toggle mouse and keyboard grab\n"
5041 "When using -nographic, press 'ctrl-a h' to get some help.\n"
5046 DEFAULT_NETWORK_SCRIPT
,
5047 DEFAULT_NETWORK_DOWN_SCRIPT
,
5049 DEFAULT_GDBSTUB_PORT
,
5054 #define HAS_ARG 0x0001
5069 QEMU_OPTION_mtdblock
,
5073 QEMU_OPTION_snapshot
,
5075 QEMU_OPTION_no_fd_bootchk
,
5078 QEMU_OPTION_nographic
,
5079 QEMU_OPTION_portrait
,
5081 QEMU_OPTION_audio_help
,
5082 QEMU_OPTION_soundhw
,
5104 QEMU_OPTION_localtime
,
5108 QEMU_OPTION_monitor
,
5110 QEMU_OPTION_parallel
,
5112 QEMU_OPTION_full_screen
,
5113 QEMU_OPTION_no_frame
,
5114 QEMU_OPTION_alt_grab
,
5115 QEMU_OPTION_no_quit
,
5116 QEMU_OPTION_pidfile
,
5117 QEMU_OPTION_no_kqemu
,
5118 QEMU_OPTION_kernel_kqemu
,
5119 QEMU_OPTION_enable_kvm
,
5120 QEMU_OPTION_win2k_hack
,
5122 QEMU_OPTION_usbdevice
,
5125 QEMU_OPTION_no_acpi
,
5127 QEMU_OPTION_no_reboot
,
5128 QEMU_OPTION_no_shutdown
,
5129 QEMU_OPTION_show_cursor
,
5130 QEMU_OPTION_daemonize
,
5131 QEMU_OPTION_option_rom
,
5132 QEMU_OPTION_semihosting
,
5134 QEMU_OPTION_prom_env
,
5135 QEMU_OPTION_old_param
,
5137 QEMU_OPTION_startdate
,
5138 QEMU_OPTION_tb_size
,
5141 QEMU_OPTION_incoming
,
5144 typedef struct QEMUOption
{
5150 static const QEMUOption qemu_options
[] = {
5151 { "h", 0, QEMU_OPTION_h
},
5152 { "help", 0, QEMU_OPTION_h
},
5154 { "M", HAS_ARG
, QEMU_OPTION_M
},
5155 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
5156 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
5157 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
5158 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
5159 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
5160 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
5161 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
5162 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
5163 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
5164 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
5165 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
5166 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
5167 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
5168 { "snapshot", 0, QEMU_OPTION_snapshot
},
5170 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
5172 { "m", HAS_ARG
, QEMU_OPTION_m
},
5173 { "nographic", 0, QEMU_OPTION_nographic
},
5174 { "portrait", 0, QEMU_OPTION_portrait
},
5175 { "k", HAS_ARG
, QEMU_OPTION_k
},
5177 { "audio-help", 0, QEMU_OPTION_audio_help
},
5178 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
5181 { "net", HAS_ARG
, QEMU_OPTION_net
},
5183 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
5184 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
5186 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
5188 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
5190 { "bt", HAS_ARG
, QEMU_OPTION_bt
},
5192 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
5193 { "append", HAS_ARG
, QEMU_OPTION_append
},
5194 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
5196 { "S", 0, QEMU_OPTION_S
},
5197 { "s", 0, QEMU_OPTION_s
},
5198 { "p", HAS_ARG
, QEMU_OPTION_p
},
5199 { "d", HAS_ARG
, QEMU_OPTION_d
},
5200 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
5201 { "L", HAS_ARG
, QEMU_OPTION_L
},
5202 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
5204 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
5205 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
5208 { "enable-kvm", 0, QEMU_OPTION_enable_kvm
},
5210 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5211 { "g", 1, QEMU_OPTION_g
},
5213 { "localtime", 0, QEMU_OPTION_localtime
},
5214 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
5215 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
5216 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
5217 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
5218 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
5219 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
5220 { "full-screen", 0, QEMU_OPTION_full_screen
},
5222 { "no-frame", 0, QEMU_OPTION_no_frame
},
5223 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
5224 { "no-quit", 0, QEMU_OPTION_no_quit
},
5226 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
5227 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
5228 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
5229 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
5230 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
5231 #ifdef CONFIG_CURSES
5232 { "curses", 0, QEMU_OPTION_curses
},
5234 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
5236 /* temporary options */
5237 { "usb", 0, QEMU_OPTION_usb
},
5238 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
5239 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
5240 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
5241 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
5242 { "daemonize", 0, QEMU_OPTION_daemonize
},
5243 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
5244 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5245 { "semihosting", 0, QEMU_OPTION_semihosting
},
5247 { "name", HAS_ARG
, QEMU_OPTION_name
},
5248 #if defined(TARGET_SPARC)
5249 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
5251 #if defined(TARGET_ARM)
5252 { "old-param", 0, QEMU_OPTION_old_param
},
5254 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
5255 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
5256 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
5257 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
5258 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
5262 /* password input */
5264 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
5269 if (!bdrv_is_encrypted(bs
))
5272 term_printf("%s is encrypted.\n", name
);
5273 for(i
= 0; i
< 3; i
++) {
5274 monitor_readline("Password: ", 1, password
, sizeof(password
));
5275 if (bdrv_set_key(bs
, password
) == 0)
5277 term_printf("invalid password\n");
5282 static BlockDriverState
*get_bdrv(int index
)
5284 if (index
> nb_drives
)
5286 return drives_table
[index
].bdrv
;
5289 static void read_passwords(void)
5291 BlockDriverState
*bs
;
5294 for(i
= 0; i
< 6; i
++) {
5297 qemu_key_check(bs
, bdrv_get_device_name(bs
));
5302 struct soundhw soundhw
[] = {
5303 #ifdef HAS_AUDIO_CHOICE
5304 #if defined(TARGET_I386) || defined(TARGET_MIPS)
5310 { .init_isa
= pcspk_audio_init
}
5315 "Creative Sound Blaster 16",
5318 { .init_isa
= SB16_init
}
5321 #ifdef CONFIG_CS4231A
5327 { .init_isa
= cs4231a_init
}
5335 "Yamaha YMF262 (OPL3)",
5337 "Yamaha YM3812 (OPL2)",
5341 { .init_isa
= Adlib_init
}
5348 "Gravis Ultrasound GF1",
5351 { .init_isa
= GUS_init
}
5358 "Intel 82801AA AC97 Audio",
5361 { .init_pci
= ac97_init
}
5367 "ENSONIQ AudioPCI ES1370",
5370 { .init_pci
= es1370_init
}
5374 { NULL
, NULL
, 0, 0, { NULL
} }
5377 static void select_soundhw (const char *optarg
)
5381 if (*optarg
== '?') {
5384 printf ("Valid sound card names (comma separated):\n");
5385 for (c
= soundhw
; c
->name
; ++c
) {
5386 printf ("%-11s %s\n", c
->name
, c
->descr
);
5388 printf ("\n-soundhw all will enable all of the above\n");
5389 exit (*optarg
!= '?');
5397 if (!strcmp (optarg
, "all")) {
5398 for (c
= soundhw
; c
->name
; ++c
) {
5406 e
= strchr (p
, ',');
5407 l
= !e
? strlen (p
) : (size_t) (e
- p
);
5409 for (c
= soundhw
; c
->name
; ++c
) {
5410 if (!strncmp (c
->name
, p
, l
)) {
5419 "Unknown sound card name (too big to show)\n");
5422 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
5427 p
+= l
+ (e
!= NULL
);
5431 goto show_valid_cards
;
5436 static void select_vgahw (const char *p
)
5440 if (strstart(p
, "std", &opts
)) {
5441 cirrus_vga_enabled
= 0;
5443 } else if (strstart(p
, "cirrus", &opts
)) {
5444 cirrus_vga_enabled
= 1;
5446 } else if (strstart(p
, "vmware", &opts
)) {
5447 cirrus_vga_enabled
= 0;
5451 fprintf(stderr
, "Unknown vga type: %s\n", p
);
5455 const char *nextopt
;
5457 if (strstart(opts
, ",retrace=", &nextopt
)) {
5459 if (strstart(opts
, "dumb", &nextopt
))
5460 vga_retrace_method
= VGA_RETRACE_DUMB
;
5461 else if (strstart(opts
, "precise", &nextopt
))
5462 vga_retrace_method
= VGA_RETRACE_PRECISE
;
5463 else goto invalid_vga
;
5464 } else goto invalid_vga
;
5470 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
5472 exit(STATUS_CONTROL_C_EXIT
);
5477 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
5481 if(strlen(str
) != 36)
5484 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
5485 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
5486 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
5494 #define MAX_NET_CLIENTS 32
5498 static void termsig_handler(int signal
)
5500 qemu_system_shutdown_request();
5503 static void termsig_setup(void)
5505 struct sigaction act
;
5507 memset(&act
, 0, sizeof(act
));
5508 act
.sa_handler
= termsig_handler
;
5509 sigaction(SIGINT
, &act
, NULL
);
5510 sigaction(SIGHUP
, &act
, NULL
);
5511 sigaction(SIGTERM
, &act
, NULL
);
5516 int main(int argc
, char **argv
)
5518 #ifdef CONFIG_GDBSTUB
5520 const char *gdbstub_port
;
5522 uint32_t boot_devices_bitmap
= 0;
5524 int snapshot
, linux_boot
, net_boot
;
5525 const char *initrd_filename
;
5526 const char *kernel_filename
, *kernel_cmdline
;
5527 const char *boot_devices
= "";
5528 DisplayState
*ds
= &display_state
;
5529 int cyls
, heads
, secs
, translation
;
5530 const char *net_clients
[MAX_NET_CLIENTS
];
5532 const char *bt_opts
[MAX_BT_CMDLINE
];
5536 const char *r
, *optarg
;
5537 CharDriverState
*monitor_hd
;
5538 const char *monitor_device
;
5539 const char *serial_devices
[MAX_SERIAL_PORTS
];
5540 int serial_device_index
;
5541 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
5542 int parallel_device_index
;
5543 const char *loadvm
= NULL
;
5544 QEMUMachine
*machine
;
5545 const char *cpu_model
;
5546 const char *usb_devices
[MAX_USB_CMDLINE
];
5547 int usb_devices_index
;
5550 const char *pid_file
= NULL
;
5552 const char *incoming
= NULL
;
5554 LIST_INIT (&vm_change_state_head
);
5557 struct sigaction act
;
5558 sigfillset(&act
.sa_mask
);
5560 act
.sa_handler
= SIG_IGN
;
5561 sigaction(SIGPIPE
, &act
, NULL
);
5564 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
5565 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5566 QEMU to run on a single CPU */
5571 h
= GetCurrentProcess();
5572 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
5573 for(i
= 0; i
< 32; i
++) {
5574 if (mask
& (1 << i
))
5579 SetProcessAffinityMask(h
, mask
);
5585 register_machines();
5586 machine
= first_machine
;
5588 initrd_filename
= NULL
;
5590 vga_ram_size
= VGA_RAM_SIZE
;
5591 #ifdef CONFIG_GDBSTUB
5593 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
5598 kernel_filename
= NULL
;
5599 kernel_cmdline
= "";
5600 cyls
= heads
= secs
= 0;
5601 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5602 monitor_device
= "vc";
5604 serial_devices
[0] = "vc:80Cx24C";
5605 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
5606 serial_devices
[i
] = NULL
;
5607 serial_device_index
= 0;
5609 parallel_devices
[0] = "vc:640x480";
5610 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
5611 parallel_devices
[i
] = NULL
;
5612 parallel_device_index
= 0;
5614 usb_devices_index
= 0;
5633 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
5635 const QEMUOption
*popt
;
5638 /* Treat --foo the same as -foo. */
5641 popt
= qemu_options
;
5644 fprintf(stderr
, "%s: invalid option -- '%s'\n",
5648 if (!strcmp(popt
->name
, r
+ 1))
5652 if (popt
->flags
& HAS_ARG
) {
5653 if (optind
>= argc
) {
5654 fprintf(stderr
, "%s: option '%s' requires an argument\n",
5658 optarg
= argv
[optind
++];
5663 switch(popt
->index
) {
5665 machine
= find_machine(optarg
);
5668 printf("Supported machines are:\n");
5669 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
5670 printf("%-10s %s%s\n",
5672 m
== first_machine
? " (default)" : "");
5674 exit(*optarg
!= '?');
5677 case QEMU_OPTION_cpu
:
5678 /* hw initialization will check this */
5679 if (*optarg
== '?') {
5680 /* XXX: implement xxx_cpu_list for targets that still miss it */
5681 #if defined(cpu_list)
5682 cpu_list(stdout
, &fprintf
);
5689 case QEMU_OPTION_initrd
:
5690 initrd_filename
= optarg
;
5692 case QEMU_OPTION_hda
:
5694 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
5696 hda_index
= drive_add(optarg
, HD_ALIAS
5697 ",cyls=%d,heads=%d,secs=%d%s",
5698 0, cyls
, heads
, secs
,
5699 translation
== BIOS_ATA_TRANSLATION_LBA
?
5701 translation
== BIOS_ATA_TRANSLATION_NONE
?
5702 ",trans=none" : "");
5704 case QEMU_OPTION_hdb
:
5705 case QEMU_OPTION_hdc
:
5706 case QEMU_OPTION_hdd
:
5707 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
5709 case QEMU_OPTION_drive
:
5710 drive_add(NULL
, "%s", optarg
);
5712 case QEMU_OPTION_mtdblock
:
5713 drive_add(optarg
, MTD_ALIAS
);
5715 case QEMU_OPTION_sd
:
5716 drive_add(optarg
, SD_ALIAS
);
5718 case QEMU_OPTION_pflash
:
5719 drive_add(optarg
, PFLASH_ALIAS
);
5721 case QEMU_OPTION_snapshot
:
5724 case QEMU_OPTION_hdachs
:
5728 cyls
= strtol(p
, (char **)&p
, 0);
5729 if (cyls
< 1 || cyls
> 16383)
5734 heads
= strtol(p
, (char **)&p
, 0);
5735 if (heads
< 1 || heads
> 16)
5740 secs
= strtol(p
, (char **)&p
, 0);
5741 if (secs
< 1 || secs
> 63)
5745 if (!strcmp(p
, "none"))
5746 translation
= BIOS_ATA_TRANSLATION_NONE
;
5747 else if (!strcmp(p
, "lba"))
5748 translation
= BIOS_ATA_TRANSLATION_LBA
;
5749 else if (!strcmp(p
, "auto"))
5750 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5753 } else if (*p
!= '\0') {
5755 fprintf(stderr
, "qemu: invalid physical CHS format\n");
5758 if (hda_index
!= -1)
5759 snprintf(drives_opt
[hda_index
].opt
,
5760 sizeof(drives_opt
[hda_index
].opt
),
5761 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
5762 0, cyls
, heads
, secs
,
5763 translation
== BIOS_ATA_TRANSLATION_LBA
?
5765 translation
== BIOS_ATA_TRANSLATION_NONE
?
5766 ",trans=none" : "");
5769 case QEMU_OPTION_nographic
:
5772 #ifdef CONFIG_CURSES
5773 case QEMU_OPTION_curses
:
5777 case QEMU_OPTION_portrait
:
5780 case QEMU_OPTION_kernel
:
5781 kernel_filename
= optarg
;
5783 case QEMU_OPTION_append
:
5784 kernel_cmdline
= optarg
;
5786 case QEMU_OPTION_cdrom
:
5787 drive_add(optarg
, CDROM_ALIAS
);
5789 case QEMU_OPTION_boot
:
5790 boot_devices
= optarg
;
5791 /* We just do some generic consistency checks */
5793 /* Could easily be extended to 64 devices if needed */
5796 boot_devices_bitmap
= 0;
5797 for (p
= boot_devices
; *p
!= '\0'; p
++) {
5798 /* Allowed boot devices are:
5799 * a b : floppy disk drives
5800 * c ... f : IDE disk drives
5801 * g ... m : machine implementation dependant drives
5802 * n ... p : network devices
5803 * It's up to each machine implementation to check
5804 * if the given boot devices match the actual hardware
5805 * implementation and firmware features.
5807 if (*p
< 'a' || *p
> 'q') {
5808 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
5811 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
5813 "Boot device '%c' was given twice\n",*p
);
5816 boot_devices_bitmap
|= 1 << (*p
- 'a');
5820 case QEMU_OPTION_fda
:
5821 case QEMU_OPTION_fdb
:
5822 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
5825 case QEMU_OPTION_no_fd_bootchk
:
5829 case QEMU_OPTION_net
:
5830 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
5831 fprintf(stderr
, "qemu: too many network clients\n");
5834 net_clients
[nb_net_clients
] = optarg
;
5838 case QEMU_OPTION_tftp
:
5839 tftp_prefix
= optarg
;
5841 case QEMU_OPTION_bootp
:
5842 bootp_filename
= optarg
;
5845 case QEMU_OPTION_smb
:
5846 net_slirp_smb(optarg
);
5849 case QEMU_OPTION_redir
:
5850 net_slirp_redir(optarg
);
5853 case QEMU_OPTION_bt
:
5854 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
5855 fprintf(stderr
, "qemu: too many bluetooth options\n");
5858 bt_opts
[nb_bt_opts
++] = optarg
;
5861 case QEMU_OPTION_audio_help
:
5865 case QEMU_OPTION_soundhw
:
5866 select_soundhw (optarg
);
5872 case QEMU_OPTION_m
: {
5876 value
= strtoul(optarg
, &ptr
, 10);
5878 case 0: case 'M': case 'm':
5885 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
5889 /* On 32-bit hosts, QEMU is limited by virtual address space */
5890 if (value
> (2047 << 20)
5892 && HOST_LONG_BITS
== 32
5895 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
5898 if (value
!= (uint64_t)(ram_addr_t
)value
) {
5899 fprintf(stderr
, "qemu: ram size too large\n");
5908 const CPULogItem
*item
;
5910 mask
= cpu_str_to_log_mask(optarg
);
5912 printf("Log items (comma separated):\n");
5913 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5914 printf("%-10s %s\n", item
->name
, item
->help
);
5921 #ifdef CONFIG_GDBSTUB
5926 gdbstub_port
= optarg
;
5932 case QEMU_OPTION_bios
:
5939 keyboard_layout
= optarg
;
5941 case QEMU_OPTION_localtime
:
5944 case QEMU_OPTION_vga
:
5945 select_vgahw (optarg
);
5952 w
= strtol(p
, (char **)&p
, 10);
5955 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5961 h
= strtol(p
, (char **)&p
, 10);
5966 depth
= strtol(p
, (char **)&p
, 10);
5967 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5968 depth
!= 24 && depth
!= 32)
5970 } else if (*p
== '\0') {
5971 depth
= graphic_depth
;
5978 graphic_depth
= depth
;
5981 case QEMU_OPTION_echr
:
5984 term_escape_char
= strtol(optarg
, &r
, 0);
5986 printf("Bad argument to echr\n");
5989 case QEMU_OPTION_monitor
:
5990 monitor_device
= optarg
;
5992 case QEMU_OPTION_serial
:
5993 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5994 fprintf(stderr
, "qemu: too many serial ports\n");
5997 serial_devices
[serial_device_index
] = optarg
;
5998 serial_device_index
++;
6000 case QEMU_OPTION_parallel
:
6001 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
6002 fprintf(stderr
, "qemu: too many parallel ports\n");
6005 parallel_devices
[parallel_device_index
] = optarg
;
6006 parallel_device_index
++;
6008 case QEMU_OPTION_loadvm
:
6011 case QEMU_OPTION_full_screen
:
6015 case QEMU_OPTION_no_frame
:
6018 case QEMU_OPTION_alt_grab
:
6021 case QEMU_OPTION_no_quit
:
6025 case QEMU_OPTION_pidfile
:
6029 case QEMU_OPTION_win2k_hack
:
6030 win2k_install_hack
= 1;
6034 case QEMU_OPTION_no_kqemu
:
6037 case QEMU_OPTION_kernel_kqemu
:
6042 case QEMU_OPTION_enable_kvm
:
6049 case QEMU_OPTION_usb
:
6052 case QEMU_OPTION_usbdevice
:
6054 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
6055 fprintf(stderr
, "Too many USB devices\n");
6058 usb_devices
[usb_devices_index
] = optarg
;
6059 usb_devices_index
++;
6061 case QEMU_OPTION_smp
:
6062 smp_cpus
= atoi(optarg
);
6064 fprintf(stderr
, "Invalid number of CPUs\n");
6068 case QEMU_OPTION_vnc
:
6069 vnc_display
= optarg
;
6071 case QEMU_OPTION_no_acpi
:
6074 case QEMU_OPTION_no_reboot
:
6077 case QEMU_OPTION_no_shutdown
:
6080 case QEMU_OPTION_show_cursor
:
6083 case QEMU_OPTION_uuid
:
6084 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
6085 fprintf(stderr
, "Fail to parse UUID string."
6086 " Wrong format.\n");
6090 case QEMU_OPTION_daemonize
:
6093 case QEMU_OPTION_option_rom
:
6094 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
6095 fprintf(stderr
, "Too many option ROMs\n");
6098 option_rom
[nb_option_roms
] = optarg
;
6101 case QEMU_OPTION_semihosting
:
6102 semihosting_enabled
= 1;
6104 case QEMU_OPTION_name
:
6108 case QEMU_OPTION_prom_env
:
6109 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
6110 fprintf(stderr
, "Too many prom variables\n");
6113 prom_envs
[nb_prom_envs
] = optarg
;
6118 case QEMU_OPTION_old_param
:
6122 case QEMU_OPTION_clock
:
6123 configure_alarms(optarg
);
6125 case QEMU_OPTION_startdate
:
6128 time_t rtc_start_date
;
6129 if (!strcmp(optarg
, "now")) {
6130 rtc_date_offset
= -1;
6132 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
6140 } else if (sscanf(optarg
, "%d-%d-%d",
6143 &tm
.tm_mday
) == 3) {
6152 rtc_start_date
= mktimegm(&tm
);
6153 if (rtc_start_date
== -1) {
6155 fprintf(stderr
, "Invalid date format. Valid format are:\n"
6156 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
6159 rtc_date_offset
= time(NULL
) - rtc_start_date
;
6163 case QEMU_OPTION_tb_size
:
6164 tb_size
= strtol(optarg
, NULL
, 0);
6168 case QEMU_OPTION_icount
:
6170 if (strcmp(optarg
, "auto") == 0) {
6171 icount_time_shift
= -1;
6173 icount_time_shift
= strtol(optarg
, NULL
, 0);
6176 case QEMU_OPTION_incoming
:
6183 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
6184 if (kvm_allowed
&& kqemu_allowed
) {
6186 "You can not enable both KVM and kqemu at the same time\n");
6191 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
6192 if (smp_cpus
> machine
->max_cpus
) {
6193 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
6194 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
6200 if (serial_device_index
== 0)
6201 serial_devices
[0] = "stdio";
6202 if (parallel_device_index
== 0)
6203 parallel_devices
[0] = "null";
6204 if (strncmp(monitor_device
, "vc", 2) == 0)
6205 monitor_device
= "stdio";
6212 if (pipe(fds
) == -1)
6223 len
= read(fds
[0], &status
, 1);
6224 if (len
== -1 && (errno
== EINTR
))
6229 else if (status
== 1) {
6230 fprintf(stderr
, "Could not acquire pidfile\n");
6247 signal(SIGTSTP
, SIG_IGN
);
6248 signal(SIGTTOU
, SIG_IGN
);
6249 signal(SIGTTIN
, SIG_IGN
);
6253 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
6256 write(fds
[1], &status
, 1);
6258 fprintf(stderr
, "Could not acquire pid file\n");
6266 linux_boot
= (kernel_filename
!= NULL
);
6267 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
6269 if (!linux_boot
&& net_boot
== 0 &&
6270 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
6273 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
6274 fprintf(stderr
, "-append only allowed with -kernel option\n");
6278 if (!linux_boot
&& initrd_filename
!= NULL
) {
6279 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
6283 /* boot to floppy or the default cd if no hard disk defined yet */
6284 if (!boot_devices
[0]) {
6285 boot_devices
= "cad";
6287 setvbuf(stdout
, NULL
, _IOLBF
, 0);
6290 if (init_timer_alarm() < 0) {
6291 fprintf(stderr
, "could not initialize alarm timer\n");
6294 if (use_icount
&& icount_time_shift
< 0) {
6296 /* 125MIPS seems a reasonable initial guess at the guest speed.
6297 It will be corrected fairly quickly anyway. */
6298 icount_time_shift
= 3;
6299 init_icount_adjust();
6306 /* init network clients */
6307 if (nb_net_clients
== 0) {
6308 /* if no clients, we use a default config */
6309 net_clients
[nb_net_clients
++] = "nic";
6311 net_clients
[nb_net_clients
++] = "user";
6315 for(i
= 0;i
< nb_net_clients
; i
++) {
6316 if (net_client_parse(net_clients
[i
]) < 0)
6322 /* XXX: this should be moved in the PC machine instantiation code */
6323 if (net_boot
!= 0) {
6325 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
6326 const char *model
= nd_table
[i
].model
;
6328 if (net_boot
& (1 << i
)) {
6331 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
6332 if (get_image_size(buf
) > 0) {
6333 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
6334 fprintf(stderr
, "Too many option ROMs\n");
6337 option_rom
[nb_option_roms
] = strdup(buf
);
6344 fprintf(stderr
, "No valid PXE rom found for network device\n");
6350 /* init the bluetooth world */
6351 for (i
= 0; i
< nb_bt_opts
; i
++)
6352 if (bt_parse(bt_opts
[i
]))
6355 /* init the memory */
6356 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
6358 if (machine
->ram_require
& RAMSIZE_FIXED
) {
6360 if (ram_size
< phys_ram_size
) {
6361 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
6362 machine
->name
, (unsigned long long) phys_ram_size
);
6366 phys_ram_size
= ram_size
;
6368 ram_size
= phys_ram_size
;
6371 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
6373 phys_ram_size
+= ram_size
;
6376 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
6377 if (!phys_ram_base
) {
6378 fprintf(stderr
, "Could not allocate physical memory\n");
6382 /* init the dynamic translator */
6383 cpu_exec_init_all(tb_size
* 1024 * 1024);
6387 /* we always create the cdrom drive, even if no disk is there */
6389 if (nb_drives_opt
< MAX_DRIVES
)
6390 drive_add(NULL
, CDROM_ALIAS
);
6392 /* we always create at least one floppy */
6394 if (nb_drives_opt
< MAX_DRIVES
)
6395 drive_add(NULL
, FD_ALIAS
, 0);
6397 /* we always create one sd slot, even if no card is in it */
6399 if (nb_drives_opt
< MAX_DRIVES
)
6400 drive_add(NULL
, SD_ALIAS
);
6402 /* open the virtual block devices */
6404 for(i
= 0; i
< nb_drives_opt
; i
++)
6405 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
6408 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
6409 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
6412 memset(&display_state
, 0, sizeof(display_state
));
6415 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
6418 /* nearly nothing to do */
6419 dumb_display_init(ds
);
6420 } else if (vnc_display
!= NULL
) {
6421 vnc_display_init(ds
);
6422 if (vnc_display_open(ds
, vnc_display
) < 0)
6425 #if defined(CONFIG_CURSES)
6427 curses_display_init(ds
, full_screen
);
6431 #if defined(CONFIG_SDL)
6432 sdl_display_init(ds
, full_screen
, no_frame
);
6433 #elif defined(CONFIG_COCOA)
6434 cocoa_display_init(ds
, full_screen
);
6436 dumb_display_init(ds
);
6441 /* must be after terminal init, SDL library changes signal handlers */
6445 /* Maintain compatibility with multiple stdio monitors */
6446 if (!strcmp(monitor_device
,"stdio")) {
6447 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6448 const char *devname
= serial_devices
[i
];
6449 if (devname
&& !strcmp(devname
,"mon:stdio")) {
6450 monitor_device
= NULL
;
6452 } else if (devname
&& !strcmp(devname
,"stdio")) {
6453 monitor_device
= NULL
;
6454 serial_devices
[i
] = "mon:stdio";
6459 if (monitor_device
) {
6460 monitor_hd
= qemu_chr_open("monitor", monitor_device
);
6462 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
6465 monitor_init(monitor_hd
, !nographic
);
6468 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6469 const char *devname
= serial_devices
[i
];
6470 if (devname
&& strcmp(devname
, "none")) {
6472 snprintf(label
, sizeof(label
), "serial%d", i
);
6473 serial_hds
[i
] = qemu_chr_open(label
, devname
);
6474 if (!serial_hds
[i
]) {
6475 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
6479 if (strstart(devname
, "vc", 0))
6480 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
6484 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6485 const char *devname
= parallel_devices
[i
];
6486 if (devname
&& strcmp(devname
, "none")) {
6488 snprintf(label
, sizeof(label
), "parallel%d", i
);
6489 parallel_hds
[i
] = qemu_chr_open(label
, devname
);
6490 if (!parallel_hds
[i
]) {
6491 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
6495 if (strstart(devname
, "vc", 0))
6496 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
6500 if (kvm_enabled()) {
6503 ret
= kvm_init(smp_cpus
);
6505 fprintf(stderr
, "failed to initialize KVM\n");
6510 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
6511 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
6513 /* init USB devices */
6515 for(i
= 0; i
< usb_devices_index
; i
++) {
6516 if (usb_device_add(usb_devices
[i
]) < 0) {
6517 fprintf(stderr
, "Warning: could not add USB device %s\n",
6523 if (display_state
.dpy_refresh
) {
6524 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
6525 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
6528 #ifdef CONFIG_GDBSTUB
6530 /* XXX: use standard host:port notation and modify options
6532 if (gdbserver_start(gdbstub_port
) < 0) {
6533 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
6544 autostart
= 0; /* fixme how to deal with -daemonize */
6545 qemu_start_incoming_migration(incoming
);
6549 /* XXX: simplify init */
6562 len
= write(fds
[1], &status
, 1);
6563 if (len
== -1 && (errno
== EINTR
))
6570 TFR(fd
= open("/dev/null", O_RDWR
));