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/socket.h>
59 #include <netinet/in.h>
62 #include <sys/select.h>
63 #include <arpa/inet.h>
66 #if !defined(__APPLE__) && !defined(__OpenBSD__)
72 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
73 #include <freebsd/stdlib.h>
77 #include <linux/if_tun.h>
80 #include <linux/rtc.h>
82 /* For the benefit of older linux systems which don't supply it,
83 we use a local copy of hpet.h. */
84 /* #include <linux/hpet.h> */
87 #include <linux/ppdev.h>
88 #include <linux/parport.h>
92 #include <sys/ethernet.h>
93 #include <sys/sockio.h>
94 #include <netinet/arp.h>
95 #include <netinet/in.h>
96 #include <netinet/in_systm.h>
97 #include <netinet/ip.h>
98 #include <netinet/ip_icmp.h> // must come after ip.h
99 #include <netinet/udp.h>
100 #include <netinet/tcp.h>
108 #include "qemu_socket.h"
110 #if defined(CONFIG_SLIRP)
111 #include "libslirp.h"
114 #if defined(__OpenBSD__)
118 #if defined(CONFIG_VDE)
119 #include <libvdeplug.h>
124 #include <sys/timeb.h>
125 #include <mmsystem.h>
126 #define getopt_long_only getopt_long
127 #define memalign(align, size) malloc(size)
134 #endif /* CONFIG_SDL */
138 #define main qemu_main
139 #endif /* CONFIG_COCOA */
143 #include "exec-all.h"
145 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
146 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
148 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
150 #define SMBD_COMMAND "/usr/sbin/smbd"
153 //#define DEBUG_UNUSED_IOPORT
154 //#define DEBUG_IOPORT
156 //#define DEBUG_SLIRP
159 #define DEFAULT_RAM_SIZE 144
161 #define DEFAULT_RAM_SIZE 128
164 /* Max number of USB devices that can be specified on the commandline. */
165 #define MAX_USB_CMDLINE 8
167 /* XXX: use a two level table to limit memory usage */
168 #define MAX_IOPORTS 65536
170 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
171 const char *bios_name
= NULL
;
172 static void *ioport_opaque
[MAX_IOPORTS
];
173 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
174 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
175 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
176 to store the VM snapshots */
177 DriveInfo drives_table
[MAX_DRIVES
+1];
179 /* point to the block driver where the snapshots are managed */
180 static BlockDriverState
*bs_snapshots
;
181 static int vga_ram_size
;
182 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
183 DisplayState display_state
;
186 const char* keyboard_layout
= NULL
;
187 int64_t ticks_per_sec
;
190 NICInfo nd_table
[MAX_NICS
];
192 static int rtc_utc
= 1;
193 static int rtc_date_offset
= -1; /* -1 means no change */
194 int cirrus_vga_enabled
= 1;
195 int vmsvga_enabled
= 0;
197 int graphic_width
= 1024;
198 int graphic_height
= 768;
199 int graphic_depth
= 8;
201 int graphic_width
= 800;
202 int graphic_height
= 600;
203 int graphic_depth
= 15;
205 static int full_screen
= 0;
206 static int no_frame
= 0;
208 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
209 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
211 int win2k_install_hack
= 0;
215 const char *vnc_display
;
216 int acpi_enabled
= 1;
221 int graphic_rotate
= 0;
223 const char *option_rom
[MAX_OPTION_ROMS
];
225 int semihosting_enabled
= 0;
229 const char *qemu_name
;
232 unsigned int nb_prom_envs
= 0;
233 const char *prom_envs
[MAX_PROM_ENVS
];
235 static int nb_drives_opt
;
236 static struct drive_opt
{
239 } drives_opt
[MAX_DRIVES
];
241 static CPUState
*cur_cpu
;
242 static CPUState
*next_cpu
;
243 static int event_pending
= 1;
244 /* Conversion factor from emulated instructions to virtual clock ticks. */
245 static int icount_time_shift
;
246 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
247 #define MAX_ICOUNT_SHIFT 10
248 /* Compensate for varying guest execution speed. */
249 static int64_t qemu_icount_bias
;
250 static QEMUTimer
*icount_rt_timer
;
251 static QEMUTimer
*icount_vm_timer
;
253 uint8_t qemu_uuid
[16];
255 /***********************************************************/
256 /* x86 ISA bus support */
258 target_phys_addr_t isa_mem_base
= 0;
261 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
262 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
264 static uint32_t ioport_read(int index
, uint32_t address
)
266 static IOPortReadFunc
*default_func
[3] = {
267 default_ioport_readb
,
268 default_ioport_readw
,
271 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
273 func
= default_func
[index
];
274 return func(ioport_opaque
[address
], address
);
277 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
279 static IOPortWriteFunc
*default_func
[3] = {
280 default_ioport_writeb
,
281 default_ioport_writew
,
282 default_ioport_writel
284 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
286 func
= default_func
[index
];
287 func(ioport_opaque
[address
], address
, data
);
290 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
292 #ifdef DEBUG_UNUSED_IOPORT
293 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
298 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
300 #ifdef DEBUG_UNUSED_IOPORT
301 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
305 /* default is to make two byte accesses */
306 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
309 data
= ioport_read(0, address
);
310 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
311 data
|= ioport_read(0, address
) << 8;
315 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
317 ioport_write(0, address
, data
& 0xff);
318 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
319 ioport_write(0, address
, (data
>> 8) & 0xff);
322 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
324 #ifdef DEBUG_UNUSED_IOPORT
325 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
330 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
332 #ifdef DEBUG_UNUSED_IOPORT
333 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
337 /* size is the word size in byte */
338 int register_ioport_read(int start
, int length
, int size
,
339 IOPortReadFunc
*func
, void *opaque
)
345 } else if (size
== 2) {
347 } else if (size
== 4) {
350 hw_error("register_ioport_read: invalid size");
353 for(i
= start
; i
< start
+ length
; i
+= size
) {
354 ioport_read_table
[bsize
][i
] = func
;
355 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
356 hw_error("register_ioport_read: invalid opaque");
357 ioport_opaque
[i
] = opaque
;
362 /* size is the word size in byte */
363 int register_ioport_write(int start
, int length
, int size
,
364 IOPortWriteFunc
*func
, void *opaque
)
370 } else if (size
== 2) {
372 } else if (size
== 4) {
375 hw_error("register_ioport_write: invalid size");
378 for(i
= start
; i
< start
+ length
; i
+= size
) {
379 ioport_write_table
[bsize
][i
] = func
;
380 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
381 hw_error("register_ioport_write: invalid opaque");
382 ioport_opaque
[i
] = opaque
;
387 void isa_unassign_ioport(int start
, int length
)
391 for(i
= start
; i
< start
+ length
; i
++) {
392 ioport_read_table
[0][i
] = default_ioport_readb
;
393 ioport_read_table
[1][i
] = default_ioport_readw
;
394 ioport_read_table
[2][i
] = default_ioport_readl
;
396 ioport_write_table
[0][i
] = default_ioport_writeb
;
397 ioport_write_table
[1][i
] = default_ioport_writew
;
398 ioport_write_table
[2][i
] = default_ioport_writel
;
402 /***********************************************************/
404 void cpu_outb(CPUState
*env
, int addr
, int val
)
407 if (loglevel
& CPU_LOG_IOPORT
)
408 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
410 ioport_write(0, addr
, val
);
413 env
->last_io_time
= cpu_get_time_fast();
417 void cpu_outw(CPUState
*env
, int addr
, int val
)
420 if (loglevel
& CPU_LOG_IOPORT
)
421 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
423 ioport_write(1, addr
, val
);
426 env
->last_io_time
= cpu_get_time_fast();
430 void cpu_outl(CPUState
*env
, int addr
, int val
)
433 if (loglevel
& CPU_LOG_IOPORT
)
434 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
436 ioport_write(2, addr
, val
);
439 env
->last_io_time
= cpu_get_time_fast();
443 int cpu_inb(CPUState
*env
, int addr
)
446 val
= ioport_read(0, addr
);
448 if (loglevel
& CPU_LOG_IOPORT
)
449 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
453 env
->last_io_time
= cpu_get_time_fast();
458 int cpu_inw(CPUState
*env
, int addr
)
461 val
= ioport_read(1, addr
);
463 if (loglevel
& CPU_LOG_IOPORT
)
464 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
468 env
->last_io_time
= cpu_get_time_fast();
473 int cpu_inl(CPUState
*env
, int addr
)
476 val
= ioport_read(2, addr
);
478 if (loglevel
& CPU_LOG_IOPORT
)
479 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
483 env
->last_io_time
= cpu_get_time_fast();
488 /***********************************************************/
489 void hw_error(const char *fmt
, ...)
495 fprintf(stderr
, "qemu: hardware error: ");
496 vfprintf(stderr
, fmt
, ap
);
497 fprintf(stderr
, "\n");
498 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
499 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
501 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
503 cpu_dump_state(env
, stderr
, fprintf
, 0);
510 /***********************************************************/
513 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
514 static void *qemu_put_kbd_event_opaque
;
515 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
516 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
518 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
520 qemu_put_kbd_event_opaque
= opaque
;
521 qemu_put_kbd_event
= func
;
524 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
525 void *opaque
, int absolute
,
528 QEMUPutMouseEntry
*s
, *cursor
;
530 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
534 s
->qemu_put_mouse_event
= func
;
535 s
->qemu_put_mouse_event_opaque
= opaque
;
536 s
->qemu_put_mouse_event_absolute
= absolute
;
537 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
540 if (!qemu_put_mouse_event_head
) {
541 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
545 cursor
= qemu_put_mouse_event_head
;
546 while (cursor
->next
!= NULL
)
547 cursor
= cursor
->next
;
550 qemu_put_mouse_event_current
= s
;
555 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
557 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
559 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
562 cursor
= qemu_put_mouse_event_head
;
563 while (cursor
!= NULL
&& cursor
!= entry
) {
565 cursor
= cursor
->next
;
568 if (cursor
== NULL
) // does not exist or list empty
570 else if (prev
== NULL
) { // entry is head
571 qemu_put_mouse_event_head
= cursor
->next
;
572 if (qemu_put_mouse_event_current
== entry
)
573 qemu_put_mouse_event_current
= cursor
->next
;
574 qemu_free(entry
->qemu_put_mouse_event_name
);
579 prev
->next
= entry
->next
;
581 if (qemu_put_mouse_event_current
== entry
)
582 qemu_put_mouse_event_current
= prev
;
584 qemu_free(entry
->qemu_put_mouse_event_name
);
588 void kbd_put_keycode(int keycode
)
590 if (qemu_put_kbd_event
) {
591 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
595 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
597 QEMUPutMouseEvent
*mouse_event
;
598 void *mouse_event_opaque
;
601 if (!qemu_put_mouse_event_current
) {
606 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
608 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
611 if (graphic_rotate
) {
612 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
615 width
= graphic_width
- 1;
616 mouse_event(mouse_event_opaque
,
617 width
- dy
, dx
, dz
, buttons_state
);
619 mouse_event(mouse_event_opaque
,
620 dx
, dy
, dz
, buttons_state
);
624 int kbd_mouse_is_absolute(void)
626 if (!qemu_put_mouse_event_current
)
629 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
632 void do_info_mice(void)
634 QEMUPutMouseEntry
*cursor
;
637 if (!qemu_put_mouse_event_head
) {
638 term_printf("No mouse devices connected\n");
642 term_printf("Mouse devices available:\n");
643 cursor
= qemu_put_mouse_event_head
;
644 while (cursor
!= NULL
) {
645 term_printf("%c Mouse #%d: %s\n",
646 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
647 index
, cursor
->qemu_put_mouse_event_name
);
649 cursor
= cursor
->next
;
653 void do_mouse_set(int index
)
655 QEMUPutMouseEntry
*cursor
;
658 if (!qemu_put_mouse_event_head
) {
659 term_printf("No mouse devices connected\n");
663 cursor
= qemu_put_mouse_event_head
;
664 while (cursor
!= NULL
&& index
!= i
) {
666 cursor
= cursor
->next
;
670 qemu_put_mouse_event_current
= cursor
;
672 term_printf("Mouse at given index not found\n");
675 /* compute with 96 bit intermediate result: (a*b)/c */
676 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
681 #ifdef WORDS_BIGENDIAN
691 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
692 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
695 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
699 /***********************************************************/
700 /* real time host monotonic timer */
702 #define QEMU_TIMER_BASE 1000000000LL
706 static int64_t clock_freq
;
708 static void init_get_clock(void)
712 ret
= QueryPerformanceFrequency(&freq
);
714 fprintf(stderr
, "Could not calibrate ticks\n");
717 clock_freq
= freq
.QuadPart
;
720 static int64_t get_clock(void)
723 QueryPerformanceCounter(&ti
);
724 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
729 static int use_rt_clock
;
731 static void init_get_clock(void)
734 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
737 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
744 static int64_t get_clock(void)
746 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
749 clock_gettime(CLOCK_MONOTONIC
, &ts
);
750 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
754 /* XXX: using gettimeofday leads to problems if the date
755 changes, so it should be avoided. */
757 gettimeofday(&tv
, NULL
);
758 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
763 /* Return the virtual CPU time, based on the instruction counter. */
764 static int64_t cpu_get_icount(void)
767 CPUState
*env
= cpu_single_env
;;
768 icount
= qemu_icount
;
771 fprintf(stderr
, "Bad clock read\n");
772 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
774 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
777 /***********************************************************/
778 /* guest cycle counter */
780 static int64_t cpu_ticks_prev
;
781 static int64_t cpu_ticks_offset
;
782 static int64_t cpu_clock_offset
;
783 static int cpu_ticks_enabled
;
785 /* return the host CPU cycle counter and handle stop/restart */
786 int64_t cpu_get_ticks(void)
789 return cpu_get_icount();
791 if (!cpu_ticks_enabled
) {
792 return cpu_ticks_offset
;
795 ticks
= cpu_get_real_ticks();
796 if (cpu_ticks_prev
> ticks
) {
797 /* Note: non increasing ticks may happen if the host uses
799 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
801 cpu_ticks_prev
= ticks
;
802 return ticks
+ cpu_ticks_offset
;
806 /* return the host CPU monotonic timer and handle stop/restart */
807 static int64_t cpu_get_clock(void)
810 if (!cpu_ticks_enabled
) {
811 return cpu_clock_offset
;
814 return ti
+ cpu_clock_offset
;
818 /* enable cpu_get_ticks() */
819 void cpu_enable_ticks(void)
821 if (!cpu_ticks_enabled
) {
822 cpu_ticks_offset
-= cpu_get_real_ticks();
823 cpu_clock_offset
-= get_clock();
824 cpu_ticks_enabled
= 1;
828 /* disable cpu_get_ticks() : the clock is stopped. You must not call
829 cpu_get_ticks() after that. */
830 void cpu_disable_ticks(void)
832 if (cpu_ticks_enabled
) {
833 cpu_ticks_offset
= cpu_get_ticks();
834 cpu_clock_offset
= cpu_get_clock();
835 cpu_ticks_enabled
= 0;
839 /***********************************************************/
842 #define QEMU_TIMER_REALTIME 0
843 #define QEMU_TIMER_VIRTUAL 1
847 /* XXX: add frequency */
855 struct QEMUTimer
*next
;
858 struct qemu_alarm_timer
{
862 int (*start
)(struct qemu_alarm_timer
*t
);
863 void (*stop
)(struct qemu_alarm_timer
*t
);
864 void (*rearm
)(struct qemu_alarm_timer
*t
);
868 #define ALARM_FLAG_DYNTICKS 0x1
869 #define ALARM_FLAG_EXPIRED 0x2
871 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
873 return t
->flags
& ALARM_FLAG_DYNTICKS
;
876 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
878 if (!alarm_has_dynticks(t
))
884 /* TODO: MIN_TIMER_REARM_US should be optimized */
885 #define MIN_TIMER_REARM_US 250
887 static struct qemu_alarm_timer
*alarm_timer
;
889 static int alarm_timer_rfd
, alarm_timer_wfd
;
894 struct qemu_alarm_win32
{
898 } alarm_win32_data
= {0, NULL
, -1};
900 static int win32_start_timer(struct qemu_alarm_timer
*t
);
901 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
902 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
906 static int unix_start_timer(struct qemu_alarm_timer
*t
);
907 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
911 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
912 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
913 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
915 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
916 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
918 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
919 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
921 #endif /* __linux__ */
925 /* Correlation between real and virtual time is always going to be
926 fairly approximate, so ignore small variation.
927 When the guest is idle real and virtual time will be aligned in
929 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
931 static void icount_adjust(void)
936 static int64_t last_delta
;
937 /* If the VM is not running, then do nothing. */
941 cur_time
= cpu_get_clock();
942 cur_icount
= qemu_get_clock(vm_clock
);
943 delta
= cur_icount
- cur_time
;
944 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
946 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
947 && icount_time_shift
> 0) {
948 /* The guest is getting too far ahead. Slow time down. */
952 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
953 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
954 /* The guest is getting too far behind. Speed time up. */
958 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
961 static void icount_adjust_rt(void * opaque
)
963 qemu_mod_timer(icount_rt_timer
,
964 qemu_get_clock(rt_clock
) + 1000);
968 static void icount_adjust_vm(void * opaque
)
970 qemu_mod_timer(icount_vm_timer
,
971 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
975 static void init_icount_adjust(void)
977 /* Have both realtime and virtual time triggers for speed adjustment.
978 The realtime trigger catches emulated time passing too slowly,
979 the virtual time trigger catches emulated time passing too fast.
980 Realtime triggers occur even when idle, so use them less frequently
982 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
983 qemu_mod_timer(icount_rt_timer
,
984 qemu_get_clock(rt_clock
) + 1000);
985 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
986 qemu_mod_timer(icount_vm_timer
,
987 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
990 static struct qemu_alarm_timer alarm_timers
[] = {
993 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
994 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
995 /* HPET - if available - is preferred */
996 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
997 /* ...otherwise try RTC */
998 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1000 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1002 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1003 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1004 {"win32", 0, win32_start_timer
,
1005 win32_stop_timer
, NULL
, &alarm_win32_data
},
1010 static void show_available_alarms(void)
1014 printf("Available alarm timers, in order of precedence:\n");
1015 for (i
= 0; alarm_timers
[i
].name
; i
++)
1016 printf("%s\n", alarm_timers
[i
].name
);
1019 static void configure_alarms(char const *opt
)
1023 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
1026 struct qemu_alarm_timer tmp
;
1028 if (!strcmp(opt
, "?")) {
1029 show_available_alarms();
1035 /* Reorder the array */
1036 name
= strtok(arg
, ",");
1038 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1039 if (!strcmp(alarm_timers
[i
].name
, name
))
1044 fprintf(stderr
, "Unknown clock %s\n", name
);
1053 tmp
= alarm_timers
[i
];
1054 alarm_timers
[i
] = alarm_timers
[cur
];
1055 alarm_timers
[cur
] = tmp
;
1059 name
= strtok(NULL
, ",");
1065 /* Disable remaining timers */
1066 for (i
= cur
; i
< count
; i
++)
1067 alarm_timers
[i
].name
= NULL
;
1069 show_available_alarms();
1074 QEMUClock
*rt_clock
;
1075 QEMUClock
*vm_clock
;
1077 static QEMUTimer
*active_timers
[2];
1079 static QEMUClock
*qemu_new_clock(int type
)
1082 clock
= qemu_mallocz(sizeof(QEMUClock
));
1089 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1093 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1096 ts
->opaque
= opaque
;
1100 void qemu_free_timer(QEMUTimer
*ts
)
1105 /* stop a timer, but do not dealloc it */
1106 void qemu_del_timer(QEMUTimer
*ts
)
1110 /* NOTE: this code must be signal safe because
1111 qemu_timer_expired() can be called from a signal. */
1112 pt
= &active_timers
[ts
->clock
->type
];
1125 /* modify the current timer so that it will be fired when current_time
1126 >= expire_time. The corresponding callback will be called. */
1127 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1133 /* add the timer in the sorted list */
1134 /* NOTE: this code must be signal safe because
1135 qemu_timer_expired() can be called from a signal. */
1136 pt
= &active_timers
[ts
->clock
->type
];
1141 if (t
->expire_time
> expire_time
)
1145 ts
->expire_time
= expire_time
;
1149 /* Rearm if necessary */
1150 if (pt
== &active_timers
[ts
->clock
->type
]) {
1151 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1152 qemu_rearm_alarm_timer(alarm_timer
);
1154 /* Interrupt execution to force deadline recalculation. */
1155 if (use_icount
&& cpu_single_env
) {
1156 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1161 int qemu_timer_pending(QEMUTimer
*ts
)
1164 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1171 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1175 return (timer_head
->expire_time
<= current_time
);
1178 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1184 if (!ts
|| ts
->expire_time
> current_time
)
1186 /* remove timer from the list before calling the callback */
1187 *ptimer_head
= ts
->next
;
1190 /* run the callback (the timer list can be modified) */
1195 int64_t qemu_get_clock(QEMUClock
*clock
)
1197 switch(clock
->type
) {
1198 case QEMU_TIMER_REALTIME
:
1199 return get_clock() / 1000000;
1201 case QEMU_TIMER_VIRTUAL
:
1203 return cpu_get_icount();
1205 return cpu_get_clock();
1210 static void init_timers(void)
1213 ticks_per_sec
= QEMU_TIMER_BASE
;
1214 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1215 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1219 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1221 uint64_t expire_time
;
1223 if (qemu_timer_pending(ts
)) {
1224 expire_time
= ts
->expire_time
;
1228 qemu_put_be64(f
, expire_time
);
1231 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1233 uint64_t expire_time
;
1235 expire_time
= qemu_get_be64(f
);
1236 if (expire_time
!= -1) {
1237 qemu_mod_timer(ts
, expire_time
);
1243 static void timer_save(QEMUFile
*f
, void *opaque
)
1245 if (cpu_ticks_enabled
) {
1246 hw_error("cannot save state if virtual timers are running");
1248 qemu_put_be64(f
, cpu_ticks_offset
);
1249 qemu_put_be64(f
, ticks_per_sec
);
1250 qemu_put_be64(f
, cpu_clock_offset
);
1253 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1255 if (version_id
!= 1 && version_id
!= 2)
1257 if (cpu_ticks_enabled
) {
1260 cpu_ticks_offset
=qemu_get_be64(f
);
1261 ticks_per_sec
=qemu_get_be64(f
);
1262 if (version_id
== 2) {
1263 cpu_clock_offset
=qemu_get_be64(f
);
1269 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1270 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1272 static void host_alarm_handler(int host_signum
)
1276 #define DISP_FREQ 1000
1278 static int64_t delta_min
= INT64_MAX
;
1279 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1281 ti
= qemu_get_clock(vm_clock
);
1282 if (last_clock
!= 0) {
1283 delta
= ti
- last_clock
;
1284 if (delta
< delta_min
)
1286 if (delta
> delta_max
)
1289 if (++count
== DISP_FREQ
) {
1290 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1291 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1292 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1293 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1294 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1296 delta_min
= INT64_MAX
;
1304 if (alarm_has_dynticks(alarm_timer
) ||
1306 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1307 qemu_get_clock(vm_clock
))) ||
1308 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1309 qemu_get_clock(rt_clock
))) {
1310 CPUState
*env
= next_cpu
;
1313 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1314 SetEvent(data
->host_alarm
);
1316 static const char byte
= 0;
1317 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1319 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1322 /* stop the currently executing cpu because a timer occured */
1323 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1325 if (env
->kqemu_enabled
) {
1326 kqemu_cpu_interrupt(env
);
1334 static int64_t qemu_next_deadline(void)
1338 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1339 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1340 qemu_get_clock(vm_clock
);
1342 /* To avoid problems with overflow limit this to 2^32. */
1352 #if defined(__linux__) || defined(_WIN32)
1353 static uint64_t qemu_next_deadline_dyntick(void)
1361 delta
= (qemu_next_deadline() + 999) / 1000;
1363 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1364 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1365 qemu_get_clock(rt_clock
))*1000;
1366 if (rtdelta
< delta
)
1370 if (delta
< MIN_TIMER_REARM_US
)
1371 delta
= MIN_TIMER_REARM_US
;
1379 /* Sets a specific flag */
1380 static int fcntl_setfl(int fd
, int flag
)
1384 flags
= fcntl(fd
, F_GETFL
);
1388 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1394 #if defined(__linux__)
1396 #define RTC_FREQ 1024
1398 static void enable_sigio_timer(int fd
)
1400 struct sigaction act
;
1403 sigfillset(&act
.sa_mask
);
1405 act
.sa_handler
= host_alarm_handler
;
1407 sigaction(SIGIO
, &act
, NULL
);
1408 fcntl_setfl(fd
, O_ASYNC
);
1409 fcntl(fd
, F_SETOWN
, getpid());
1412 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1414 struct hpet_info info
;
1417 fd
= open("/dev/hpet", O_RDONLY
);
1422 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1424 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1425 "error, but for better emulation accuracy type:\n"
1426 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1430 /* Check capabilities */
1431 r
= ioctl(fd
, HPET_INFO
, &info
);
1435 /* Enable periodic mode */
1436 r
= ioctl(fd
, HPET_EPI
, 0);
1437 if (info
.hi_flags
&& (r
< 0))
1440 /* Enable interrupt */
1441 r
= ioctl(fd
, HPET_IE_ON
, 0);
1445 enable_sigio_timer(fd
);
1446 t
->priv
= (void *)(long)fd
;
1454 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1456 int fd
= (long)t
->priv
;
1461 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1464 unsigned long current_rtc_freq
= 0;
1466 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1469 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1470 if (current_rtc_freq
!= RTC_FREQ
&&
1471 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1472 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1473 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1474 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1477 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1483 enable_sigio_timer(rtc_fd
);
1485 t
->priv
= (void *)(long)rtc_fd
;
1490 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1492 int rtc_fd
= (long)t
->priv
;
1497 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1501 struct sigaction act
;
1503 sigfillset(&act
.sa_mask
);
1505 act
.sa_handler
= host_alarm_handler
;
1507 sigaction(SIGALRM
, &act
, NULL
);
1509 ev
.sigev_value
.sival_int
= 0;
1510 ev
.sigev_notify
= SIGEV_SIGNAL
;
1511 ev
.sigev_signo
= SIGALRM
;
1513 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1514 perror("timer_create");
1516 /* disable dynticks */
1517 fprintf(stderr
, "Dynamic Ticks disabled\n");
1522 t
->priv
= (void *)host_timer
;
1527 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1529 timer_t host_timer
= (timer_t
)t
->priv
;
1531 timer_delete(host_timer
);
1534 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1536 timer_t host_timer
= (timer_t
)t
->priv
;
1537 struct itimerspec timeout
;
1538 int64_t nearest_delta_us
= INT64_MAX
;
1541 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1542 !active_timers
[QEMU_TIMER_VIRTUAL
])
1545 nearest_delta_us
= qemu_next_deadline_dyntick();
1547 /* check whether a timer is already running */
1548 if (timer_gettime(host_timer
, &timeout
)) {
1550 fprintf(stderr
, "Internal timer error: aborting\n");
1553 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1554 if (current_us
&& current_us
<= nearest_delta_us
)
1557 timeout
.it_interval
.tv_sec
= 0;
1558 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1559 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1560 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1561 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1563 fprintf(stderr
, "Internal timer error: aborting\n");
1568 #endif /* defined(__linux__) */
1570 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1572 struct sigaction act
;
1573 struct itimerval itv
;
1577 sigfillset(&act
.sa_mask
);
1579 act
.sa_handler
= host_alarm_handler
;
1581 sigaction(SIGALRM
, &act
, NULL
);
1583 itv
.it_interval
.tv_sec
= 0;
1584 /* for i386 kernel 2.6 to get 1 ms */
1585 itv
.it_interval
.tv_usec
= 999;
1586 itv
.it_value
.tv_sec
= 0;
1587 itv
.it_value
.tv_usec
= 10 * 1000;
1589 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1596 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1598 struct itimerval itv
;
1600 memset(&itv
, 0, sizeof(itv
));
1601 setitimer(ITIMER_REAL
, &itv
, NULL
);
1604 #endif /* !defined(_WIN32) */
1606 static void try_to_rearm_timer(void *opaque
)
1608 struct qemu_alarm_timer
*t
= opaque
;
1612 /* Drain the notify pipe */
1615 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1616 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1619 /* vm time timers */
1620 if (vm_running
&& likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
1621 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
1622 qemu_get_clock(vm_clock
));
1624 /* real time timers */
1625 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
1626 qemu_get_clock(rt_clock
));
1628 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1629 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1630 qemu_rearm_alarm_timer(alarm_timer
);
1636 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1639 struct qemu_alarm_win32
*data
= t
->priv
;
1642 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1643 if (!data
->host_alarm
) {
1644 perror("Failed CreateEvent");
1648 memset(&tc
, 0, sizeof(tc
));
1649 timeGetDevCaps(&tc
, sizeof(tc
));
1651 if (data
->period
< tc
.wPeriodMin
)
1652 data
->period
= tc
.wPeriodMin
;
1654 timeBeginPeriod(data
->period
);
1656 flags
= TIME_CALLBACK_FUNCTION
;
1657 if (alarm_has_dynticks(t
))
1658 flags
|= TIME_ONESHOT
;
1660 flags
|= TIME_PERIODIC
;
1662 data
->timerId
= timeSetEvent(1, // interval (ms)
1663 data
->period
, // resolution
1664 host_alarm_handler
, // function
1665 (DWORD
)t
, // parameter
1668 if (!data
->timerId
) {
1669 perror("Failed to initialize win32 alarm timer");
1671 timeEndPeriod(data
->period
);
1672 CloseHandle(data
->host_alarm
);
1676 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1681 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1683 struct qemu_alarm_win32
*data
= t
->priv
;
1685 timeKillEvent(data
->timerId
);
1686 timeEndPeriod(data
->period
);
1688 CloseHandle(data
->host_alarm
);
1691 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1693 struct qemu_alarm_win32
*data
= t
->priv
;
1694 uint64_t nearest_delta_us
;
1696 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1697 !active_timers
[QEMU_TIMER_VIRTUAL
])
1700 nearest_delta_us
= qemu_next_deadline_dyntick();
1701 nearest_delta_us
/= 1000;
1703 timeKillEvent(data
->timerId
);
1705 data
->timerId
= timeSetEvent(1,
1709 TIME_ONESHOT
| TIME_PERIODIC
);
1711 if (!data
->timerId
) {
1712 perror("Failed to re-arm win32 alarm timer");
1714 timeEndPeriod(data
->period
);
1715 CloseHandle(data
->host_alarm
);
1722 static int init_timer_alarm(void)
1724 struct qemu_alarm_timer
*t
= NULL
;
1734 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1738 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1742 alarm_timer_rfd
= fds
[0];
1743 alarm_timer_wfd
= fds
[1];
1746 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1747 t
= &alarm_timers
[i
];
1760 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1761 try_to_rearm_timer
, NULL
, t
);
1776 static void quit_timers(void)
1778 alarm_timer
->stop(alarm_timer
);
1782 /***********************************************************/
1783 /* host time/date access */
1784 void qemu_get_timedate(struct tm
*tm
, int offset
)
1791 if (rtc_date_offset
== -1) {
1795 ret
= localtime(&ti
);
1797 ti
-= rtc_date_offset
;
1801 memcpy(tm
, ret
, sizeof(struct tm
));
1804 int qemu_timedate_diff(struct tm
*tm
)
1808 if (rtc_date_offset
== -1)
1810 seconds
= mktimegm(tm
);
1812 seconds
= mktime(tm
);
1814 seconds
= mktimegm(tm
) + rtc_date_offset
;
1816 return seconds
- time(NULL
);
1820 static void socket_cleanup(void)
1825 static int socket_init(void)
1830 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1832 err
= WSAGetLastError();
1833 fprintf(stderr
, "WSAStartup: %d\n", err
);
1836 atexit(socket_cleanup
);
1841 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1846 while (*p
!= '\0' && *p
!= '=') {
1847 if (q
&& (q
- buf
) < buf_size
- 1)
1857 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1862 while (*p
!= '\0') {
1864 if (*(p
+ 1) != ',')
1868 if (q
&& (q
- buf
) < buf_size
- 1)
1878 int get_param_value(char *buf
, int buf_size
,
1879 const char *tag
, const char *str
)
1886 p
= get_opt_name(option
, sizeof(option
), p
);
1890 if (!strcmp(tag
, option
)) {
1891 (void)get_opt_value(buf
, buf_size
, p
);
1894 p
= get_opt_value(NULL
, 0, p
);
1903 int check_params(char *buf
, int buf_size
,
1904 const char * const *params
, const char *str
)
1911 p
= get_opt_name(buf
, buf_size
, p
);
1915 for(i
= 0; params
[i
] != NULL
; i
++)
1916 if (!strcmp(params
[i
], buf
))
1918 if (params
[i
] == NULL
)
1920 p
= get_opt_value(NULL
, 0, p
);
1928 /***********************************************************/
1929 /* Bluetooth support */
1932 static struct HCIInfo
*hci_table
[MAX_NICS
];
1934 static struct bt_vlan_s
{
1935 struct bt_scatternet_s net
;
1937 struct bt_vlan_s
*next
;
1940 /* find or alloc a new bluetooth "VLAN" */
1941 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1943 struct bt_vlan_s
**pvlan
, *vlan
;
1944 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1948 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1950 pvlan
= &first_bt_vlan
;
1951 while (*pvlan
!= NULL
)
1952 pvlan
= &(*pvlan
)->next
;
1958 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1962 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1967 static struct HCIInfo null_hci
= {
1968 .cmd_send
= null_hci_send
,
1969 .sco_send
= null_hci_send
,
1970 .acl_send
= null_hci_send
,
1971 .bdaddr_set
= null_hci_addr_set
,
1974 struct HCIInfo
*qemu_next_hci(void)
1976 if (cur_hci
== nb_hcis
)
1979 return hci_table
[cur_hci
++];
1982 /***********************************************************/
1983 /* QEMU Block devices */
1985 #define HD_ALIAS "index=%d,media=disk"
1987 #define CDROM_ALIAS "index=1,media=cdrom"
1989 #define CDROM_ALIAS "index=2,media=cdrom"
1991 #define FD_ALIAS "index=%d,if=floppy"
1992 #define PFLASH_ALIAS "if=pflash"
1993 #define MTD_ALIAS "if=mtd"
1994 #define SD_ALIAS "index=0,if=sd"
1996 static int drive_add(const char *file
, const char *fmt
, ...)
2000 if (nb_drives_opt
>= MAX_DRIVES
) {
2001 fprintf(stderr
, "qemu: too many drives\n");
2005 drives_opt
[nb_drives_opt
].file
= file
;
2007 vsnprintf(drives_opt
[nb_drives_opt
].opt
,
2008 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2011 return nb_drives_opt
++;
2014 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2018 /* seek interface, bus and unit */
2020 for (index
= 0; index
< nb_drives
; index
++)
2021 if (drives_table
[index
].type
== type
&&
2022 drives_table
[index
].bus
== bus
&&
2023 drives_table
[index
].unit
== unit
)
2029 int drive_get_max_bus(BlockInterfaceType type
)
2035 for (index
= 0; index
< nb_drives
; index
++) {
2036 if(drives_table
[index
].type
== type
&&
2037 drives_table
[index
].bus
> max_bus
)
2038 max_bus
= drives_table
[index
].bus
;
2043 static void bdrv_format_print(void *opaque
, const char *name
)
2045 fprintf(stderr
, " %s", name
);
2048 static int drive_init(struct drive_opt
*arg
, int snapshot
,
2049 QEMUMachine
*machine
)
2054 const char *mediastr
= "";
2055 BlockInterfaceType type
;
2056 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2057 int bus_id
, unit_id
;
2058 int cyls
, heads
, secs
, translation
;
2059 BlockDriverState
*bdrv
;
2060 BlockDriver
*drv
= NULL
;
2065 char *str
= arg
->opt
;
2066 static const char * const params
[] = { "bus", "unit", "if", "index",
2067 "cyls", "heads", "secs", "trans",
2068 "media", "snapshot", "file",
2069 "cache", "format", NULL
};
2071 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2072 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2078 cyls
= heads
= secs
= 0;
2081 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2085 if (machine
->use_scsi
) {
2087 max_devs
= MAX_SCSI_DEVS
;
2088 pstrcpy(devname
, sizeof(devname
), "scsi");
2091 max_devs
= MAX_IDE_DEVS
;
2092 pstrcpy(devname
, sizeof(devname
), "ide");
2096 /* extract parameters */
2098 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2099 bus_id
= strtol(buf
, NULL
, 0);
2101 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2106 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2107 unit_id
= strtol(buf
, NULL
, 0);
2109 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2114 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2115 pstrcpy(devname
, sizeof(devname
), buf
);
2116 if (!strcmp(buf
, "ide")) {
2118 max_devs
= MAX_IDE_DEVS
;
2119 } else if (!strcmp(buf
, "scsi")) {
2121 max_devs
= MAX_SCSI_DEVS
;
2122 } else if (!strcmp(buf
, "floppy")) {
2125 } else if (!strcmp(buf
, "pflash")) {
2128 } else if (!strcmp(buf
, "mtd")) {
2131 } else if (!strcmp(buf
, "sd")) {
2135 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2140 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2141 index
= strtol(buf
, NULL
, 0);
2143 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2148 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2149 cyls
= strtol(buf
, NULL
, 0);
2152 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2153 heads
= strtol(buf
, NULL
, 0);
2156 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2157 secs
= strtol(buf
, NULL
, 0);
2160 if (cyls
|| heads
|| secs
) {
2161 if (cyls
< 1 || cyls
> 16383) {
2162 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2165 if (heads
< 1 || heads
> 16) {
2166 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2169 if (secs
< 1 || secs
> 63) {
2170 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2175 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2178 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2182 if (!strcmp(buf
, "none"))
2183 translation
= BIOS_ATA_TRANSLATION_NONE
;
2184 else if (!strcmp(buf
, "lba"))
2185 translation
= BIOS_ATA_TRANSLATION_LBA
;
2186 else if (!strcmp(buf
, "auto"))
2187 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2189 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2194 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2195 if (!strcmp(buf
, "disk")) {
2197 } else if (!strcmp(buf
, "cdrom")) {
2198 if (cyls
|| secs
|| heads
) {
2200 "qemu: '%s' invalid physical CHS format\n", str
);
2203 media
= MEDIA_CDROM
;
2205 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2210 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2211 if (!strcmp(buf
, "on"))
2213 else if (!strcmp(buf
, "off"))
2216 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2221 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2222 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2224 else if (!strcmp(buf
, "writethrough"))
2226 else if (!strcmp(buf
, "writeback"))
2229 fprintf(stderr
, "qemu: invalid cache option\n");
2234 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2235 if (strcmp(buf
, "?") == 0) {
2236 fprintf(stderr
, "qemu: Supported formats:");
2237 bdrv_iterate_format(bdrv_format_print
, NULL
);
2238 fprintf(stderr
, "\n");
2241 drv
= bdrv_find_format(buf
);
2243 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2248 if (arg
->file
== NULL
)
2249 get_param_value(file
, sizeof(file
), "file", str
);
2251 pstrcpy(file
, sizeof(file
), arg
->file
);
2253 /* compute bus and unit according index */
2256 if (bus_id
!= 0 || unit_id
!= -1) {
2258 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2266 unit_id
= index
% max_devs
;
2267 bus_id
= index
/ max_devs
;
2271 /* if user doesn't specify a unit_id,
2272 * try to find the first free
2275 if (unit_id
== -1) {
2277 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2279 if (max_devs
&& unit_id
>= max_devs
) {
2280 unit_id
-= max_devs
;
2288 if (max_devs
&& unit_id
>= max_devs
) {
2289 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2290 str
, unit_id
, max_devs
- 1);
2295 * ignore multiple definitions
2298 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2303 if (type
== IF_IDE
|| type
== IF_SCSI
)
2304 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2306 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2307 devname
, bus_id
, mediastr
, unit_id
);
2309 snprintf(buf
, sizeof(buf
), "%s%s%i",
2310 devname
, mediastr
, unit_id
);
2311 bdrv
= bdrv_new(buf
);
2312 drives_table
[nb_drives
].bdrv
= bdrv
;
2313 drives_table
[nb_drives
].type
= type
;
2314 drives_table
[nb_drives
].bus
= bus_id
;
2315 drives_table
[nb_drives
].unit
= unit_id
;
2324 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2325 bdrv_set_translation_hint(bdrv
, translation
);
2329 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2334 /* FIXME: This isn't really a floppy, but it's a reasonable
2337 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2347 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2348 cache
= 2; /* always use write-back with snapshot */
2350 if (cache
== 0) /* no caching */
2351 bdrv_flags
|= BDRV_O_NOCACHE
;
2352 else if (cache
== 2) /* write-back */
2353 bdrv_flags
|= BDRV_O_CACHE_WB
;
2354 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0 || qemu_key_check(bdrv
, file
)) {
2355 fprintf(stderr
, "qemu: could not open disk image %s\n",
2362 /***********************************************************/
2365 static USBPort
*used_usb_ports
;
2366 static USBPort
*free_usb_ports
;
2368 /* ??? Maybe change this to register a hub to keep track of the topology. */
2369 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2370 usb_attachfn attach
)
2372 port
->opaque
= opaque
;
2373 port
->index
= index
;
2374 port
->attach
= attach
;
2375 port
->next
= free_usb_ports
;
2376 free_usb_ports
= port
;
2379 int usb_device_add_dev(USBDevice
*dev
)
2383 /* Find a USB port to add the device to. */
2384 port
= free_usb_ports
;
2388 /* Create a new hub and chain it on. */
2389 free_usb_ports
= NULL
;
2390 port
->next
= used_usb_ports
;
2391 used_usb_ports
= port
;
2393 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2394 usb_attach(port
, hub
);
2395 port
= free_usb_ports
;
2398 free_usb_ports
= port
->next
;
2399 port
->next
= used_usb_ports
;
2400 used_usb_ports
= port
;
2401 usb_attach(port
, dev
);
2405 static int usb_device_add(const char *devname
)
2410 if (!free_usb_ports
)
2413 if (strstart(devname
, "host:", &p
)) {
2414 dev
= usb_host_device_open(p
);
2415 } else if (!strcmp(devname
, "mouse")) {
2416 dev
= usb_mouse_init();
2417 } else if (!strcmp(devname
, "tablet")) {
2418 dev
= usb_tablet_init();
2419 } else if (!strcmp(devname
, "keyboard")) {
2420 dev
= usb_keyboard_init();
2421 } else if (strstart(devname
, "disk:", &p
)) {
2422 dev
= usb_msd_init(p
);
2423 } else if (!strcmp(devname
, "wacom-tablet")) {
2424 dev
= usb_wacom_init();
2425 } else if (strstart(devname
, "serial:", &p
)) {
2426 dev
= usb_serial_init(p
);
2427 #ifdef CONFIG_BRLAPI
2428 } else if (!strcmp(devname
, "braille")) {
2429 dev
= usb_baum_init();
2431 } else if (strstart(devname
, "net:", &p
)) {
2434 if (net_client_init("nic", p
) < 0)
2436 nd_table
[nic
].model
= "usb";
2437 dev
= usb_net_init(&nd_table
[nic
]);
2444 return usb_device_add_dev(dev
);
2447 int usb_device_del_addr(int bus_num
, int addr
)
2453 if (!used_usb_ports
)
2459 lastp
= &used_usb_ports
;
2460 port
= used_usb_ports
;
2461 while (port
&& port
->dev
->addr
!= addr
) {
2462 lastp
= &port
->next
;
2470 *lastp
= port
->next
;
2471 usb_attach(port
, NULL
);
2472 dev
->handle_destroy(dev
);
2473 port
->next
= free_usb_ports
;
2474 free_usb_ports
= port
;
2478 static int usb_device_del(const char *devname
)
2483 if (strstart(devname
, "host:", &p
))
2484 return usb_host_device_close(p
);
2486 if (!used_usb_ports
)
2489 p
= strchr(devname
, '.');
2492 bus_num
= strtoul(devname
, NULL
, 0);
2493 addr
= strtoul(p
+ 1, NULL
, 0);
2495 return usb_device_del_addr(bus_num
, addr
);
2498 void do_usb_add(const char *devname
)
2500 usb_device_add(devname
);
2503 void do_usb_del(const char *devname
)
2505 usb_device_del(devname
);
2512 const char *speed_str
;
2515 term_printf("USB support not enabled\n");
2519 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2523 switch(dev
->speed
) {
2527 case USB_SPEED_FULL
:
2530 case USB_SPEED_HIGH
:
2537 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2538 0, dev
->addr
, speed_str
, dev
->devname
);
2542 /***********************************************************/
2543 /* PCMCIA/Cardbus */
2545 static struct pcmcia_socket_entry_s
{
2546 struct pcmcia_socket_s
*socket
;
2547 struct pcmcia_socket_entry_s
*next
;
2548 } *pcmcia_sockets
= 0;
2550 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2552 struct pcmcia_socket_entry_s
*entry
;
2554 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2555 entry
->socket
= socket
;
2556 entry
->next
= pcmcia_sockets
;
2557 pcmcia_sockets
= entry
;
2560 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2562 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2564 ptr
= &pcmcia_sockets
;
2565 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2566 if (entry
->socket
== socket
) {
2572 void pcmcia_info(void)
2574 struct pcmcia_socket_entry_s
*iter
;
2575 if (!pcmcia_sockets
)
2576 term_printf("No PCMCIA sockets\n");
2578 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2579 term_printf("%s: %s\n", iter
->socket
->slot_string
,
2580 iter
->socket
->attached
? iter
->socket
->card_string
:
2584 /***********************************************************/
2587 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
2591 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
2595 static void dumb_display_init(DisplayState
*ds
)
2600 ds
->dpy_update
= dumb_update
;
2601 ds
->dpy_resize
= dumb_resize
;
2602 ds
->dpy_refresh
= NULL
;
2603 ds
->gui_timer_interval
= 0;
2607 /***********************************************************/
2610 #define MAX_IO_HANDLERS 64
2612 typedef struct IOHandlerRecord
{
2614 IOCanRWHandler
*fd_read_poll
;
2616 IOHandler
*fd_write
;
2619 /* temporary data */
2621 struct IOHandlerRecord
*next
;
2624 static IOHandlerRecord
*first_io_handler
;
2626 /* XXX: fd_read_poll should be suppressed, but an API change is
2627 necessary in the character devices to suppress fd_can_read(). */
2628 int qemu_set_fd_handler2(int fd
,
2629 IOCanRWHandler
*fd_read_poll
,
2631 IOHandler
*fd_write
,
2634 IOHandlerRecord
**pioh
, *ioh
;
2636 if (!fd_read
&& !fd_write
) {
2637 pioh
= &first_io_handler
;
2642 if (ioh
->fd
== fd
) {
2649 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2653 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2656 ioh
->next
= first_io_handler
;
2657 first_io_handler
= ioh
;
2660 ioh
->fd_read_poll
= fd_read_poll
;
2661 ioh
->fd_read
= fd_read
;
2662 ioh
->fd_write
= fd_write
;
2663 ioh
->opaque
= opaque
;
2669 int qemu_set_fd_handler(int fd
,
2671 IOHandler
*fd_write
,
2674 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2678 /***********************************************************/
2679 /* Polling handling */
2681 typedef struct PollingEntry
{
2684 struct PollingEntry
*next
;
2687 static PollingEntry
*first_polling_entry
;
2689 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2691 PollingEntry
**ppe
, *pe
;
2692 pe
= qemu_mallocz(sizeof(PollingEntry
));
2696 pe
->opaque
= opaque
;
2697 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
2702 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
2704 PollingEntry
**ppe
, *pe
;
2705 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
2707 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
2715 /***********************************************************/
2716 /* Wait objects support */
2717 typedef struct WaitObjects
{
2719 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
2720 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
2721 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
2724 static WaitObjects wait_objects
= {0};
2726 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2728 WaitObjects
*w
= &wait_objects
;
2730 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
2732 w
->events
[w
->num
] = handle
;
2733 w
->func
[w
->num
] = func
;
2734 w
->opaque
[w
->num
] = opaque
;
2739 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2742 WaitObjects
*w
= &wait_objects
;
2745 for (i
= 0; i
< w
->num
; i
++) {
2746 if (w
->events
[i
] == handle
)
2749 w
->events
[i
] = w
->events
[i
+ 1];
2750 w
->func
[i
] = w
->func
[i
+ 1];
2751 w
->opaque
[i
] = w
->opaque
[i
+ 1];
2759 #define SELF_ANNOUNCE_ROUNDS 5
2760 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
2761 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
2762 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
2764 static int announce_self_create(uint8_t *buf
,
2767 uint32_t magic
= EXPERIMENTAL_MAGIC
;
2768 uint16_t proto
= htons(ETH_P_EXPERIMENTAL
);
2770 /* FIXME: should we send a different packet (arp/rarp/ping)? */
2772 memset(buf
, 0xff, 6); /* h_dst */
2773 memcpy(buf
+ 6, mac_addr
, 6); /* h_src */
2774 memcpy(buf
+ 12, &proto
, 2); /* h_proto */
2775 memcpy(buf
+ 14, &magic
, 4); /* magic */
2777 return 18; /* len */
2780 void qemu_announce_self(void)
2784 VLANClientState
*vc
;
2787 for (i
= 0; i
< nb_nics
; i
++) {
2788 len
= announce_self_create(buf
, nd_table
[i
].macaddr
);
2789 vlan
= nd_table
[i
].vlan
;
2790 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
2791 for (j
=0; j
< SELF_ANNOUNCE_ROUNDS
; j
++)
2792 vc
->fd_read(vc
->opaque
, buf
, len
);
2797 /***********************************************************/
2798 /* savevm/loadvm support */
2800 #define IO_BUF_SIZE 32768
2803 QEMUFilePutBufferFunc
*put_buffer
;
2804 QEMUFileGetBufferFunc
*get_buffer
;
2805 QEMUFileCloseFunc
*close
;
2806 QEMUFileRateLimit
*rate_limit
;
2810 int64_t buf_offset
; /* start of buffer when writing, end of buffer
2813 int buf_size
; /* 0 when writing */
2814 uint8_t buf
[IO_BUF_SIZE
];
2819 typedef struct QEMUFileSocket
2825 static int socket_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
2827 QEMUFileSocket
*s
= opaque
;
2831 len
= recv(s
->fd
, buf
, size
, 0);
2832 } while (len
== -1 && socket_error() == EINTR
);
2835 len
= -socket_error();
2840 static int socket_close(void *opaque
)
2842 QEMUFileSocket
*s
= opaque
;
2847 QEMUFile
*qemu_fopen_socket(int fd
)
2849 QEMUFileSocket
*s
= qemu_mallocz(sizeof(QEMUFileSocket
));
2855 s
->file
= qemu_fopen_ops(s
, NULL
, socket_get_buffer
, socket_close
, NULL
);
2859 typedef struct QEMUFileStdio
2864 static int file_put_buffer(void *opaque
, const uint8_t *buf
,
2865 int64_t pos
, int size
)
2867 QEMUFileStdio
*s
= opaque
;
2868 fseek(s
->outfile
, pos
, SEEK_SET
);
2869 fwrite(buf
, 1, size
, s
->outfile
);
2873 static int file_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
2875 QEMUFileStdio
*s
= opaque
;
2876 fseek(s
->outfile
, pos
, SEEK_SET
);
2877 return fread(buf
, 1, size
, s
->outfile
);
2880 static int file_close(void *opaque
)
2882 QEMUFileStdio
*s
= opaque
;
2888 QEMUFile
*qemu_fopen(const char *filename
, const char *mode
)
2892 s
= qemu_mallocz(sizeof(QEMUFileStdio
));
2896 s
->outfile
= fopen(filename
, mode
);
2900 if (!strcmp(mode
, "wb"))
2901 return qemu_fopen_ops(s
, file_put_buffer
, NULL
, file_close
, NULL
);
2902 else if (!strcmp(mode
, "rb"))
2903 return qemu_fopen_ops(s
, NULL
, file_get_buffer
, file_close
, NULL
);
2912 typedef struct QEMUFileBdrv
2914 BlockDriverState
*bs
;
2915 int64_t base_offset
;
2918 static int bdrv_put_buffer(void *opaque
, const uint8_t *buf
,
2919 int64_t pos
, int size
)
2921 QEMUFileBdrv
*s
= opaque
;
2922 bdrv_pwrite(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
2926 static int bdrv_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
2928 QEMUFileBdrv
*s
= opaque
;
2929 return bdrv_pread(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
2932 static int bdrv_fclose(void *opaque
)
2934 QEMUFileBdrv
*s
= opaque
;
2939 static QEMUFile
*qemu_fopen_bdrv(BlockDriverState
*bs
, int64_t offset
, int is_writable
)
2943 s
= qemu_mallocz(sizeof(QEMUFileBdrv
));
2948 s
->base_offset
= offset
;
2951 return qemu_fopen_ops(s
, bdrv_put_buffer
, NULL
, bdrv_fclose
, NULL
);
2953 return qemu_fopen_ops(s
, NULL
, bdrv_get_buffer
, bdrv_fclose
, NULL
);
2956 QEMUFile
*qemu_fopen_ops(void *opaque
, QEMUFilePutBufferFunc
*put_buffer
,
2957 QEMUFileGetBufferFunc
*get_buffer
,
2958 QEMUFileCloseFunc
*close
,
2959 QEMUFileRateLimit
*rate_limit
)
2963 f
= qemu_mallocz(sizeof(QEMUFile
));
2968 f
->put_buffer
= put_buffer
;
2969 f
->get_buffer
= get_buffer
;
2971 f
->rate_limit
= rate_limit
;
2977 int qemu_file_has_error(QEMUFile
*f
)
2979 return f
->has_error
;
2982 void qemu_fflush(QEMUFile
*f
)
2987 if (f
->is_write
&& f
->buf_index
> 0) {
2990 len
= f
->put_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, f
->buf_index
);
2992 f
->buf_offset
+= f
->buf_index
;
2999 static void qemu_fill_buffer(QEMUFile
*f
)
3009 len
= f
->get_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, IO_BUF_SIZE
);
3013 f
->buf_offset
+= len
;
3014 } else if (len
!= -EAGAIN
)
3018 int qemu_fclose(QEMUFile
*f
)
3023 ret
= f
->close(f
->opaque
);
3028 void qemu_file_put_notify(QEMUFile
*f
)
3030 f
->put_buffer(f
->opaque
, NULL
, 0, 0);
3033 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
3037 if (!f
->has_error
&& f
->is_write
== 0 && f
->buf_index
> 0) {
3039 "Attempted to write to buffer while read buffer is not empty\n");
3043 while (!f
->has_error
&& size
> 0) {
3044 l
= IO_BUF_SIZE
- f
->buf_index
;
3047 memcpy(f
->buf
+ f
->buf_index
, buf
, l
);
3052 if (f
->buf_index
>= IO_BUF_SIZE
)
3057 void qemu_put_byte(QEMUFile
*f
, int v
)
3059 if (!f
->has_error
&& f
->is_write
== 0 && f
->buf_index
> 0) {
3061 "Attempted to write to buffer while read buffer is not empty\n");
3065 f
->buf
[f
->buf_index
++] = v
;
3067 if (f
->buf_index
>= IO_BUF_SIZE
)
3071 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size1
)
3080 l
= f
->buf_size
- f
->buf_index
;
3082 qemu_fill_buffer(f
);
3083 l
= f
->buf_size
- f
->buf_index
;
3089 memcpy(buf
, f
->buf
+ f
->buf_index
, l
);
3094 return size1
- size
;
3097 int qemu_get_byte(QEMUFile
*f
)
3102 if (f
->buf_index
>= f
->buf_size
) {
3103 qemu_fill_buffer(f
);
3104 if (f
->buf_index
>= f
->buf_size
)
3107 return f
->buf
[f
->buf_index
++];
3110 int64_t qemu_ftell(QEMUFile
*f
)
3112 return f
->buf_offset
- f
->buf_size
+ f
->buf_index
;
3115 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
3117 if (whence
== SEEK_SET
) {
3119 } else if (whence
== SEEK_CUR
) {
3120 pos
+= qemu_ftell(f
);
3122 /* SEEK_END not supported */
3125 if (f
->put_buffer
) {
3127 f
->buf_offset
= pos
;
3129 f
->buf_offset
= pos
;
3136 int qemu_file_rate_limit(QEMUFile
*f
)
3139 return f
->rate_limit(f
->opaque
);
3144 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
3146 qemu_put_byte(f
, v
>> 8);
3147 qemu_put_byte(f
, v
);
3150 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
3152 qemu_put_byte(f
, v
>> 24);
3153 qemu_put_byte(f
, v
>> 16);
3154 qemu_put_byte(f
, v
>> 8);
3155 qemu_put_byte(f
, v
);
3158 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
3160 qemu_put_be32(f
, v
>> 32);
3161 qemu_put_be32(f
, v
);
3164 unsigned int qemu_get_be16(QEMUFile
*f
)
3167 v
= qemu_get_byte(f
) << 8;
3168 v
|= qemu_get_byte(f
);
3172 unsigned int qemu_get_be32(QEMUFile
*f
)
3175 v
= qemu_get_byte(f
) << 24;
3176 v
|= qemu_get_byte(f
) << 16;
3177 v
|= qemu_get_byte(f
) << 8;
3178 v
|= qemu_get_byte(f
);
3182 uint64_t qemu_get_be64(QEMUFile
*f
)
3185 v
= (uint64_t)qemu_get_be32(f
) << 32;
3186 v
|= qemu_get_be32(f
);
3190 typedef struct SaveStateEntry
{
3195 SaveLiveStateHandler
*save_live_state
;
3196 SaveStateHandler
*save_state
;
3197 LoadStateHandler
*load_state
;
3199 struct SaveStateEntry
*next
;
3202 static SaveStateEntry
*first_se
;
3204 /* TODO: Individual devices generally have very little idea about the rest
3205 of the system, so instance_id should be removed/replaced.
3206 Meanwhile pass -1 as instance_id if you do not already have a clearly
3207 distinguishing id for all instances of your device class. */
3208 int register_savevm_live(const char *idstr
,
3211 SaveLiveStateHandler
*save_live_state
,
3212 SaveStateHandler
*save_state
,
3213 LoadStateHandler
*load_state
,
3216 SaveStateEntry
*se
, **pse
;
3217 static int global_section_id
;
3219 se
= qemu_malloc(sizeof(SaveStateEntry
));
3222 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
3223 se
->instance_id
= (instance_id
== -1) ? 0 : instance_id
;
3224 se
->version_id
= version_id
;
3225 se
->section_id
= global_section_id
++;
3226 se
->save_live_state
= save_live_state
;
3227 se
->save_state
= save_state
;
3228 se
->load_state
= load_state
;
3229 se
->opaque
= opaque
;
3232 /* add at the end of list */
3234 while (*pse
!= NULL
) {
3235 if (instance_id
== -1
3236 && strcmp(se
->idstr
, (*pse
)->idstr
) == 0
3237 && se
->instance_id
<= (*pse
)->instance_id
)
3238 se
->instance_id
= (*pse
)->instance_id
+ 1;
3239 pse
= &(*pse
)->next
;
3245 int register_savevm(const char *idstr
,
3248 SaveStateHandler
*save_state
,
3249 LoadStateHandler
*load_state
,
3252 return register_savevm_live(idstr
, instance_id
, version_id
,
3253 NULL
, save_state
, load_state
, opaque
);
3256 #define QEMU_VM_FILE_MAGIC 0x5145564d
3257 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
3258 #define QEMU_VM_FILE_VERSION 0x00000003
3260 #define QEMU_VM_EOF 0x00
3261 #define QEMU_VM_SECTION_START 0x01
3262 #define QEMU_VM_SECTION_PART 0x02
3263 #define QEMU_VM_SECTION_END 0x03
3264 #define QEMU_VM_SECTION_FULL 0x04
3266 int qemu_savevm_state_begin(QEMUFile
*f
)
3270 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
3271 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
3273 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
3276 if (se
->save_live_state
== NULL
)
3280 qemu_put_byte(f
, QEMU_VM_SECTION_START
);
3281 qemu_put_be32(f
, se
->section_id
);
3284 len
= strlen(se
->idstr
);
3285 qemu_put_byte(f
, len
);
3286 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
3288 qemu_put_be32(f
, se
->instance_id
);
3289 qemu_put_be32(f
, se
->version_id
);
3291 se
->save_live_state(f
, QEMU_VM_SECTION_START
, se
->opaque
);
3294 if (qemu_file_has_error(f
))
3300 int qemu_savevm_state_iterate(QEMUFile
*f
)
3305 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
3306 if (se
->save_live_state
== NULL
)
3310 qemu_put_byte(f
, QEMU_VM_SECTION_PART
);
3311 qemu_put_be32(f
, se
->section_id
);
3313 ret
&= !!se
->save_live_state(f
, QEMU_VM_SECTION_PART
, se
->opaque
);
3319 if (qemu_file_has_error(f
))
3325 int qemu_savevm_state_complete(QEMUFile
*f
)
3329 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
3330 if (se
->save_live_state
== NULL
)
3334 qemu_put_byte(f
, QEMU_VM_SECTION_END
);
3335 qemu_put_be32(f
, se
->section_id
);
3337 se
->save_live_state(f
, QEMU_VM_SECTION_END
, se
->opaque
);
3340 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
3343 if (se
->save_state
== NULL
)
3347 qemu_put_byte(f
, QEMU_VM_SECTION_FULL
);
3348 qemu_put_be32(f
, se
->section_id
);
3351 len
= strlen(se
->idstr
);
3352 qemu_put_byte(f
, len
);
3353 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
3355 qemu_put_be32(f
, se
->instance_id
);
3356 qemu_put_be32(f
, se
->version_id
);
3358 se
->save_state(f
, se
->opaque
);
3361 qemu_put_byte(f
, QEMU_VM_EOF
);
3363 if (qemu_file_has_error(f
))
3369 int qemu_savevm_state(QEMUFile
*f
)
3371 int saved_vm_running
;
3374 saved_vm_running
= vm_running
;
3379 ret
= qemu_savevm_state_begin(f
);
3384 ret
= qemu_savevm_state_iterate(f
);
3389 ret
= qemu_savevm_state_complete(f
);
3392 if (qemu_file_has_error(f
))
3395 if (!ret
&& saved_vm_running
)
3401 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
3405 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
3406 if (!strcmp(se
->idstr
, idstr
) &&
3407 instance_id
== se
->instance_id
)
3413 typedef struct LoadStateEntry
{
3417 struct LoadStateEntry
*next
;
3420 static int qemu_loadvm_state_v2(QEMUFile
*f
)
3423 int len
, ret
, instance_id
, record_len
, version_id
;
3424 int64_t total_len
, end_pos
, cur_pos
;
3427 total_len
= qemu_get_be64(f
);
3428 end_pos
= total_len
+ qemu_ftell(f
);
3430 if (qemu_ftell(f
) >= end_pos
)
3432 len
= qemu_get_byte(f
);
3433 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
3435 instance_id
= qemu_get_be32(f
);
3436 version_id
= qemu_get_be32(f
);
3437 record_len
= qemu_get_be32(f
);
3438 cur_pos
= qemu_ftell(f
);
3439 se
= find_se(idstr
, instance_id
);
3441 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
3442 instance_id
, idstr
);
3444 ret
= se
->load_state(f
, se
->opaque
, version_id
);
3446 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
3447 instance_id
, idstr
);
3450 /* always seek to exact end of record */
3451 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
3454 if (qemu_file_has_error(f
))
3460 int qemu_loadvm_state(QEMUFile
*f
)
3462 LoadStateEntry
*first_le
= NULL
;
3463 uint8_t section_type
;
3467 v
= qemu_get_be32(f
);
3468 if (v
!= QEMU_VM_FILE_MAGIC
)
3471 v
= qemu_get_be32(f
);
3472 if (v
== QEMU_VM_FILE_VERSION_COMPAT
)
3473 return qemu_loadvm_state_v2(f
);
3474 if (v
!= QEMU_VM_FILE_VERSION
)
3477 while ((section_type
= qemu_get_byte(f
)) != QEMU_VM_EOF
) {
3478 uint32_t instance_id
, version_id
, section_id
;
3484 switch (section_type
) {
3485 case QEMU_VM_SECTION_START
:
3486 case QEMU_VM_SECTION_FULL
:
3487 /* Read section start */
3488 section_id
= qemu_get_be32(f
);
3489 len
= qemu_get_byte(f
);
3490 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
3492 instance_id
= qemu_get_be32(f
);
3493 version_id
= qemu_get_be32(f
);
3495 /* Find savevm section */
3496 se
= find_se(idstr
, instance_id
);
3498 fprintf(stderr
, "Unknown savevm section or instance '%s' %d\n", idstr
, instance_id
);
3503 /* Validate version */
3504 if (version_id
> se
->version_id
) {
3505 fprintf(stderr
, "savevm: unsupported version %d for '%s' v%d\n",
3506 version_id
, idstr
, se
->version_id
);
3512 le
= qemu_mallocz(sizeof(*le
));
3519 le
->section_id
= section_id
;
3520 le
->version_id
= version_id
;
3521 le
->next
= first_le
;
3524 le
->se
->load_state(f
, le
->se
->opaque
, le
->version_id
);
3526 case QEMU_VM_SECTION_PART
:
3527 case QEMU_VM_SECTION_END
:
3528 section_id
= qemu_get_be32(f
);
3530 for (le
= first_le
; le
&& le
->section_id
!= section_id
; le
= le
->next
);
3532 fprintf(stderr
, "Unknown savevm section %d\n", section_id
);
3537 le
->se
->load_state(f
, le
->se
->opaque
, le
->version_id
);
3540 fprintf(stderr
, "Unknown savevm section type %d\n", section_type
);
3550 LoadStateEntry
*le
= first_le
;
3551 first_le
= first_le
->next
;
3555 if (qemu_file_has_error(f
))
3561 /* device can contain snapshots */
3562 static int bdrv_can_snapshot(BlockDriverState
*bs
)
3565 !bdrv_is_removable(bs
) &&
3566 !bdrv_is_read_only(bs
));
3569 /* device must be snapshots in order to have a reliable snapshot */
3570 static int bdrv_has_snapshot(BlockDriverState
*bs
)
3573 !bdrv_is_removable(bs
) &&
3574 !bdrv_is_read_only(bs
));
3577 static BlockDriverState
*get_bs_snapshots(void)
3579 BlockDriverState
*bs
;
3583 return bs_snapshots
;
3584 for(i
= 0; i
<= nb_drives
; i
++) {
3585 bs
= drives_table
[i
].bdrv
;
3586 if (bdrv_can_snapshot(bs
))
3595 static int bdrv_snapshot_find(BlockDriverState
*bs
, QEMUSnapshotInfo
*sn_info
,
3598 QEMUSnapshotInfo
*sn_tab
, *sn
;
3602 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
3605 for(i
= 0; i
< nb_sns
; i
++) {
3607 if (!strcmp(sn
->id_str
, name
) || !strcmp(sn
->name
, name
)) {
3617 void do_savevm(const char *name
)
3619 BlockDriverState
*bs
, *bs1
;
3620 QEMUSnapshotInfo sn1
, *sn
= &sn1
, old_sn1
, *old_sn
= &old_sn1
;
3621 int must_delete
, ret
, i
;
3622 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
3624 int saved_vm_running
;
3631 bs
= get_bs_snapshots();
3633 term_printf("No block device can accept snapshots\n");
3637 /* ??? Should this occur after vm_stop? */
3640 saved_vm_running
= vm_running
;
3645 ret
= bdrv_snapshot_find(bs
, old_sn
, name
);
3650 memset(sn
, 0, sizeof(*sn
));
3652 pstrcpy(sn
->name
, sizeof(sn
->name
), old_sn
->name
);
3653 pstrcpy(sn
->id_str
, sizeof(sn
->id_str
), old_sn
->id_str
);
3656 pstrcpy(sn
->name
, sizeof(sn
->name
), name
);
3659 /* fill auxiliary fields */
3662 sn
->date_sec
= tb
.time
;
3663 sn
->date_nsec
= tb
.millitm
* 1000000;
3665 gettimeofday(&tv
, NULL
);
3666 sn
->date_sec
= tv
.tv_sec
;
3667 sn
->date_nsec
= tv
.tv_usec
* 1000;
3669 sn
->vm_clock_nsec
= qemu_get_clock(vm_clock
);
3671 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
3672 term_printf("Device %s does not support VM state snapshots\n",
3673 bdrv_get_device_name(bs
));
3677 /* save the VM state */
3678 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 1);
3680 term_printf("Could not open VM state file\n");
3683 ret
= qemu_savevm_state(f
);
3684 sn
->vm_state_size
= qemu_ftell(f
);
3687 term_printf("Error %d while writing VM\n", ret
);
3691 /* create the snapshots */
3693 for(i
= 0; i
< nb_drives
; i
++) {
3694 bs1
= drives_table
[i
].bdrv
;
3695 if (bdrv_has_snapshot(bs1
)) {
3697 ret
= bdrv_snapshot_delete(bs1
, old_sn
->id_str
);
3699 term_printf("Error while deleting snapshot on '%s'\n",
3700 bdrv_get_device_name(bs1
));
3703 ret
= bdrv_snapshot_create(bs1
, sn
);
3705 term_printf("Error while creating snapshot on '%s'\n",
3706 bdrv_get_device_name(bs1
));
3712 if (saved_vm_running
)
3716 void do_loadvm(const char *name
)
3718 BlockDriverState
*bs
, *bs1
;
3719 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
3722 int saved_vm_running
;
3724 bs
= get_bs_snapshots();
3726 term_printf("No block device supports snapshots\n");
3730 /* Flush all IO requests so they don't interfere with the new state. */
3733 saved_vm_running
= vm_running
;
3736 for(i
= 0; i
<= nb_drives
; i
++) {
3737 bs1
= drives_table
[i
].bdrv
;
3738 if (bdrv_has_snapshot(bs1
)) {
3739 ret
= bdrv_snapshot_goto(bs1
, name
);
3742 term_printf("Warning: ");
3745 term_printf("Snapshots not supported on device '%s'\n",
3746 bdrv_get_device_name(bs1
));
3749 term_printf("Could not find snapshot '%s' on device '%s'\n",
3750 name
, bdrv_get_device_name(bs1
));
3753 term_printf("Error %d while activating snapshot on '%s'\n",
3754 ret
, bdrv_get_device_name(bs1
));
3757 /* fatal on snapshot block device */
3764 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
3765 term_printf("Device %s does not support VM state snapshots\n",
3766 bdrv_get_device_name(bs
));
3770 /* restore the VM state */
3771 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 0);
3773 term_printf("Could not open VM state file\n");
3776 ret
= qemu_loadvm_state(f
);
3779 term_printf("Error %d while loading VM state\n", ret
);
3782 if (saved_vm_running
)
3786 void do_delvm(const char *name
)
3788 BlockDriverState
*bs
, *bs1
;
3791 bs
= get_bs_snapshots();
3793 term_printf("No block device supports snapshots\n");
3797 for(i
= 0; i
<= nb_drives
; i
++) {
3798 bs1
= drives_table
[i
].bdrv
;
3799 if (bdrv_has_snapshot(bs1
)) {
3800 ret
= bdrv_snapshot_delete(bs1
, name
);
3802 if (ret
== -ENOTSUP
)
3803 term_printf("Snapshots not supported on device '%s'\n",
3804 bdrv_get_device_name(bs1
));
3806 term_printf("Error %d while deleting snapshot on '%s'\n",
3807 ret
, bdrv_get_device_name(bs1
));
3813 void do_info_snapshots(void)
3815 BlockDriverState
*bs
, *bs1
;
3816 QEMUSnapshotInfo
*sn_tab
, *sn
;
3820 bs
= get_bs_snapshots();
3822 term_printf("No available block device supports snapshots\n");
3825 term_printf("Snapshot devices:");
3826 for(i
= 0; i
<= nb_drives
; i
++) {
3827 bs1
= drives_table
[i
].bdrv
;
3828 if (bdrv_has_snapshot(bs1
)) {
3830 term_printf(" %s", bdrv_get_device_name(bs1
));
3835 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
3837 term_printf("bdrv_snapshot_list: error %d\n", nb_sns
);
3840 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs
));
3841 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), NULL
));
3842 for(i
= 0; i
< nb_sns
; i
++) {
3844 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), sn
));
3849 /***********************************************************/
3850 /* ram save/restore */
3852 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3856 v
= qemu_get_byte(f
);
3859 if (qemu_get_buffer(f
, buf
, len
) != len
)
3863 v
= qemu_get_byte(f
);
3864 memset(buf
, v
, len
);
3870 if (qemu_file_has_error(f
))
3876 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3881 if (qemu_get_be32(f
) != phys_ram_size
)
3883 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
3884 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
3891 #define BDRV_HASH_BLOCK_SIZE 1024
3892 #define IOBUF_SIZE 4096
3893 #define RAM_CBLOCK_MAGIC 0xfabe
3895 typedef struct RamDecompressState
{
3898 uint8_t buf
[IOBUF_SIZE
];
3899 } RamDecompressState
;
3901 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3904 memset(s
, 0, sizeof(*s
));
3906 ret
= inflateInit(&s
->zstream
);
3912 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3916 s
->zstream
.avail_out
= len
;
3917 s
->zstream
.next_out
= buf
;
3918 while (s
->zstream
.avail_out
> 0) {
3919 if (s
->zstream
.avail_in
== 0) {
3920 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3922 clen
= qemu_get_be16(s
->f
);
3923 if (clen
> IOBUF_SIZE
)
3925 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3926 s
->zstream
.avail_in
= clen
;
3927 s
->zstream
.next_in
= s
->buf
;
3929 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3930 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3937 static void ram_decompress_close(RamDecompressState
*s
)
3939 inflateEnd(&s
->zstream
);
3942 #define RAM_SAVE_FLAG_FULL 0x01
3943 #define RAM_SAVE_FLAG_COMPRESS 0x02
3944 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3945 #define RAM_SAVE_FLAG_PAGE 0x08
3946 #define RAM_SAVE_FLAG_EOS 0x10
3948 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3950 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3951 uint32_t *array
= (uint32_t *)page
;
3954 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3955 if (array
[i
] != val
)
3962 static int ram_save_block(QEMUFile
*f
)
3964 static ram_addr_t current_addr
= 0;
3965 ram_addr_t saved_addr
= current_addr
;
3966 ram_addr_t addr
= 0;
3969 while (addr
< phys_ram_size
) {
3970 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3973 cpu_physical_memory_reset_dirty(current_addr
,
3974 current_addr
+ TARGET_PAGE_SIZE
,
3975 MIGRATION_DIRTY_FLAG
);
3977 ch
= *(phys_ram_base
+ current_addr
);
3979 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
3980 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3981 qemu_put_byte(f
, ch
);
3983 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3984 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
3990 addr
+= TARGET_PAGE_SIZE
;
3991 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
3997 static ram_addr_t ram_save_threshold
= 10;
3999 static ram_addr_t
ram_save_remaining(void)
4002 ram_addr_t count
= 0;
4004 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
4005 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
4012 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
4017 /* Make sure all dirty bits are set */
4018 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
4019 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
4020 cpu_physical_memory_set_dirty(addr
);
4023 /* Enable dirty memory tracking */
4024 cpu_physical_memory_set_dirty_tracking(1);
4026 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
4029 while (!qemu_file_rate_limit(f
)) {
4032 ret
= ram_save_block(f
);
4033 if (ret
== 0) /* no more blocks */
4037 /* try transferring iterative blocks of memory */
4040 cpu_physical_memory_set_dirty_tracking(0);
4042 /* flush all remaining blocks regardless of rate limiting */
4043 while (ram_save_block(f
) != 0);
4046 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
4048 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
4051 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
4053 RamDecompressState s1
, *s
= &s1
;
4057 if (ram_decompress_open(s
, f
) < 0)
4059 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
4060 if (ram_decompress_buf(s
, buf
, 1) < 0) {
4061 fprintf(stderr
, "Error while reading ram block header\n");
4065 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
4066 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
4071 printf("Error block header\n");
4075 ram_decompress_close(s
);
4080 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
4085 if (version_id
== 1)
4086 return ram_load_v1(f
, opaque
);
4088 if (version_id
== 2) {
4089 if (qemu_get_be32(f
) != phys_ram_size
)
4091 return ram_load_dead(f
, opaque
);
4094 if (version_id
!= 3)
4098 addr
= qemu_get_be64(f
);
4100 flags
= addr
& ~TARGET_PAGE_MASK
;
4101 addr
&= TARGET_PAGE_MASK
;
4103 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
4104 if (addr
!= phys_ram_size
)
4108 if (flags
& RAM_SAVE_FLAG_FULL
) {
4109 if (ram_load_dead(f
, opaque
) < 0)
4113 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
4114 uint8_t ch
= qemu_get_byte(f
);
4115 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
4116 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
4117 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
4118 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
4123 void qemu_service_io(void)
4125 CPUState
*env
= cpu_single_env
;
4127 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
4129 if (env
->kqemu_enabled
) {
4130 kqemu_cpu_interrupt(env
);
4136 /***********************************************************/
4137 /* bottom halves (can be seen as timers which expire ASAP) */
4148 static QEMUBH
*first_bh
= NULL
;
4150 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
4153 bh
= qemu_mallocz(sizeof(QEMUBH
));
4157 bh
->opaque
= opaque
;
4158 bh
->next
= first_bh
;
4163 int qemu_bh_poll(void)
4169 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
4170 if (!bh
->deleted
&& bh
->scheduled
) {
4179 /* remove deleted bhs */
4193 void qemu_bh_schedule_idle(QEMUBH
*bh
)
4201 void qemu_bh_schedule(QEMUBH
*bh
)
4203 CPUState
*env
= cpu_single_env
;
4208 /* stop the currently executing CPU to execute the BH ASAP */
4210 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
4214 void qemu_bh_cancel(QEMUBH
*bh
)
4219 void qemu_bh_delete(QEMUBH
*bh
)
4225 static void qemu_bh_update_timeout(int *timeout
)
4229 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
4230 if (!bh
->deleted
&& bh
->scheduled
) {
4232 /* idle bottom halves will be polled at least
4234 *timeout
= MIN(10, *timeout
);
4236 /* non-idle bottom halves will be executed
4245 /***********************************************************/
4246 /* machine registration */
4248 static QEMUMachine
*first_machine
= NULL
;
4250 int qemu_register_machine(QEMUMachine
*m
)
4253 pm
= &first_machine
;
4261 static QEMUMachine
*find_machine(const char *name
)
4265 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4266 if (!strcmp(m
->name
, name
))
4272 /***********************************************************/
4273 /* main execution loop */
4275 static void gui_update(void *opaque
)
4277 DisplayState
*ds
= opaque
;
4278 ds
->dpy_refresh(ds
);
4279 qemu_mod_timer(ds
->gui_timer
,
4280 (ds
->gui_timer_interval
?
4281 ds
->gui_timer_interval
:
4282 GUI_REFRESH_INTERVAL
)
4283 + qemu_get_clock(rt_clock
));
4286 struct vm_change_state_entry
{
4287 VMChangeStateHandler
*cb
;
4289 LIST_ENTRY (vm_change_state_entry
) entries
;
4292 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
4294 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
4297 VMChangeStateEntry
*e
;
4299 e
= qemu_mallocz(sizeof (*e
));
4305 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
4309 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
4311 LIST_REMOVE (e
, entries
);
4315 static void vm_state_notify(int running
)
4317 VMChangeStateEntry
*e
;
4319 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
4320 e
->cb(e
->opaque
, running
);
4324 /* XXX: support several handlers */
4325 static VMStopHandler
*vm_stop_cb
;
4326 static void *vm_stop_opaque
;
4328 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
4331 vm_stop_opaque
= opaque
;
4335 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
4346 qemu_rearm_alarm_timer(alarm_timer
);
4350 void vm_stop(int reason
)
4353 cpu_disable_ticks();
4357 vm_stop_cb(vm_stop_opaque
, reason
);
4364 /* reset/shutdown handler */
4366 typedef struct QEMUResetEntry
{
4367 QEMUResetHandler
*func
;
4369 struct QEMUResetEntry
*next
;
4372 static QEMUResetEntry
*first_reset_entry
;
4373 static int reset_requested
;
4374 static int shutdown_requested
;
4375 static int powerdown_requested
;
4377 int qemu_shutdown_requested(void)
4379 int r
= shutdown_requested
;
4380 shutdown_requested
= 0;
4384 int qemu_reset_requested(void)
4386 int r
= reset_requested
;
4387 reset_requested
= 0;
4391 int qemu_powerdown_requested(void)
4393 int r
= powerdown_requested
;
4394 powerdown_requested
= 0;
4398 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
4400 QEMUResetEntry
**pre
, *re
;
4402 pre
= &first_reset_entry
;
4403 while (*pre
!= NULL
)
4404 pre
= &(*pre
)->next
;
4405 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
4407 re
->opaque
= opaque
;
4412 void qemu_system_reset(void)
4416 /* reset all devices */
4417 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
4418 re
->func(re
->opaque
);
4422 void qemu_system_reset_request(void)
4425 shutdown_requested
= 1;
4427 reset_requested
= 1;
4430 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
4433 void qemu_system_shutdown_request(void)
4435 shutdown_requested
= 1;
4437 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
4440 void qemu_system_powerdown_request(void)
4442 powerdown_requested
= 1;
4444 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
4448 void host_main_loop_wait(int *timeout
)
4454 /* XXX: need to suppress polling by better using win32 events */
4456 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
4457 ret
|= pe
->func(pe
->opaque
);
4461 WaitObjects
*w
= &wait_objects
;
4463 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
4464 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
4465 if (w
->func
[ret
- WAIT_OBJECT_0
])
4466 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
4468 /* Check for additional signaled events */
4469 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
4471 /* Check if event is signaled */
4472 ret2
= WaitForSingleObject(w
->events
[i
], 0);
4473 if(ret2
== WAIT_OBJECT_0
) {
4475 w
->func
[i
](w
->opaque
[i
]);
4476 } else if (ret2
== WAIT_TIMEOUT
) {
4478 err
= GetLastError();
4479 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
4482 } else if (ret
== WAIT_TIMEOUT
) {
4484 err
= GetLastError();
4485 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
4492 void host_main_loop_wait(int *timeout
)
4497 void main_loop_wait(int timeout
)
4499 IOHandlerRecord
*ioh
;
4500 fd_set rfds
, wfds
, xfds
;
4504 qemu_bh_update_timeout(&timeout
);
4506 host_main_loop_wait(&timeout
);
4508 /* poll any events */
4509 /* XXX: separate device handlers from system ones */
4514 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4518 (!ioh
->fd_read_poll
||
4519 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
4520 FD_SET(ioh
->fd
, &rfds
);
4524 if (ioh
->fd_write
) {
4525 FD_SET(ioh
->fd
, &wfds
);
4531 tv
.tv_sec
= timeout
/ 1000;
4532 tv
.tv_usec
= (timeout
% 1000) * 1000;
4534 #if defined(CONFIG_SLIRP)
4535 if (slirp_is_inited()) {
4536 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
4539 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
4541 IOHandlerRecord
**pioh
;
4543 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4544 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
4545 ioh
->fd_read(ioh
->opaque
);
4547 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
4548 ioh
->fd_write(ioh
->opaque
);
4552 /* remove deleted IO handlers */
4553 pioh
= &first_io_handler
;
4563 #if defined(CONFIG_SLIRP)
4564 if (slirp_is_inited()) {
4570 slirp_select_poll(&rfds
, &wfds
, &xfds
);
4574 /* Check bottom-halves last in case any of the earlier events triggered
4580 static int main_loop(void)
4583 #ifdef CONFIG_PROFILER
4588 cur_cpu
= first_cpu
;
4589 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
4596 #ifdef CONFIG_PROFILER
4597 ti
= profile_getclock();
4602 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
4603 env
->icount_decr
.u16
.low
= 0;
4604 env
->icount_extra
= 0;
4605 count
= qemu_next_deadline();
4606 count
= (count
+ (1 << icount_time_shift
) - 1)
4607 >> icount_time_shift
;
4608 qemu_icount
+= count
;
4609 decr
= (count
> 0xffff) ? 0xffff : count
;
4611 env
->icount_decr
.u16
.low
= decr
;
4612 env
->icount_extra
= count
;
4614 ret
= cpu_exec(env
);
4615 #ifdef CONFIG_PROFILER
4616 qemu_time
+= profile_getclock() - ti
;
4619 /* Fold pending instructions back into the
4620 instruction counter, and clear the interrupt flag. */
4621 qemu_icount
-= (env
->icount_decr
.u16
.low
4622 + env
->icount_extra
);
4623 env
->icount_decr
.u32
= 0;
4624 env
->icount_extra
= 0;
4626 next_cpu
= env
->next_cpu
?: first_cpu
;
4627 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
4628 ret
= EXCP_INTERRUPT
;
4632 if (ret
== EXCP_HLT
) {
4633 /* Give the next CPU a chance to run. */
4637 if (ret
!= EXCP_HALTED
)
4639 /* all CPUs are halted ? */
4645 if (shutdown_requested
) {
4646 ret
= EXCP_INTERRUPT
;
4654 if (reset_requested
) {
4655 reset_requested
= 0;
4656 qemu_system_reset();
4657 ret
= EXCP_INTERRUPT
;
4659 if (powerdown_requested
) {
4660 powerdown_requested
= 0;
4661 qemu_system_powerdown();
4662 ret
= EXCP_INTERRUPT
;
4664 if (unlikely(ret
== EXCP_DEBUG
)) {
4665 vm_stop(EXCP_DEBUG
);
4667 /* If all cpus are halted then wait until the next IRQ */
4668 /* XXX: use timeout computed from timers */
4669 if (ret
== EXCP_HALTED
) {
4673 /* Advance virtual time to the next event. */
4674 if (use_icount
== 1) {
4675 /* When not using an adaptive execution frequency
4676 we tend to get badly out of sync with real time,
4677 so just delay for a reasonable amount of time. */
4680 delta
= cpu_get_icount() - cpu_get_clock();
4683 /* If virtual time is ahead of real time then just
4685 timeout
= (delta
/ 1000000) + 1;
4687 /* Wait for either IO to occur or the next
4689 add
= qemu_next_deadline();
4690 /* We advance the timer before checking for IO.
4691 Limit the amount we advance so that early IO
4692 activity won't get the guest too far ahead. */
4696 add
= (add
+ (1 << icount_time_shift
) - 1)
4697 >> icount_time_shift
;
4699 timeout
= delta
/ 1000000;
4710 if (shutdown_requested
) {
4711 ret
= EXCP_INTERRUPT
;
4716 #ifdef CONFIG_PROFILER
4717 ti
= profile_getclock();
4719 main_loop_wait(timeout
);
4720 #ifdef CONFIG_PROFILER
4721 dev_time
+= profile_getclock() - ti
;
4724 cpu_disable_ticks();
4728 static void help(int exitcode
)
4730 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n"
4731 "usage: %s [options] [disk_image]\n"
4733 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4735 "Standard options:\n"
4736 "-M machine select emulated machine (-M ? for list)\n"
4737 "-cpu cpu select CPU (-cpu ? for list)\n"
4738 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
4739 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
4740 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
4741 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
4742 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
4743 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
4744 " [,cache=writethrough|writeback|none][,format=f]\n"
4745 " use 'file' as a drive image\n"
4746 "-mtdblock file use 'file' as on-board Flash memory image\n"
4747 "-sd file use 'file' as SecureDigital card image\n"
4748 "-pflash file use 'file' as a parallel flash image\n"
4749 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
4750 "-snapshot write to temporary files instead of disk image files\n"
4752 "-no-frame open SDL window without a frame and window decorations\n"
4753 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
4754 "-no-quit disable SDL window close capability\n"
4757 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4759 "-m megs set virtual RAM size to megs MB [default=%d]\n"
4760 "-smp n set the number of CPUs to 'n' [default=1]\n"
4761 "-nographic disable graphical output and redirect serial I/Os to console\n"
4762 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4764 "-k language use keyboard layout (for example \"fr\" for French)\n"
4767 "-audio-help print list of audio drivers and their options\n"
4768 "-soundhw c1,... enable audio support\n"
4769 " and only specified sound cards (comma separated list)\n"
4770 " use -soundhw ? to get the list of supported cards\n"
4771 " use -soundhw all to enable all of them\n"
4773 "-vga [std|cirrus|vmware]\n"
4774 " select video card type\n"
4775 "-localtime set the real time clock to local time [default=utc]\n"
4776 "-full-screen start in full screen\n"
4778 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4780 "-usb enable the USB driver (will be the default soon)\n"
4781 "-usbdevice name add the host or guest USB device 'name'\n"
4782 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4783 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
4785 "-name string set the name of the guest\n"
4786 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
4788 "Network options:\n"
4789 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
4790 " create a new Network Interface Card and connect it to VLAN 'n'\n"
4792 "-net user[,vlan=n][,hostname=host]\n"
4793 " connect the user mode network stack to VLAN 'n' and send\n"
4794 " hostname 'host' to DHCP clients\n"
4797 "-net tap[,vlan=n],ifname=name\n"
4798 " connect the host TAP network interface to VLAN 'n'\n"
4800 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4801 " connect the host TAP network interface to VLAN 'n' and use the\n"
4802 " network scripts 'file' (default=%s)\n"
4803 " and 'dfile' (default=%s);\n"
4804 " use '[down]script=no' to disable script execution;\n"
4805 " use 'fd=h' to connect to an already opened TAP interface\n"
4807 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4808 " connect the vlan 'n' to another VLAN using a socket connection\n"
4809 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
4810 " connect the vlan 'n' to multicast maddr and port\n"
4812 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4813 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4814 " on host and listening for incoming connections on 'socketpath'.\n"
4815 " Use group 'groupname' and mode 'octalmode' to change default\n"
4816 " ownership and permissions for communication port.\n"
4818 "-net none use it alone to have zero network devices; if no -net option\n"
4819 " is provided, the default is '-net nic -net user'\n"
4822 "-tftp dir allow tftp access to files in dir [-net user]\n"
4823 "-bootp file advertise file in BOOTP replies\n"
4825 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4827 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4828 " redirect TCP or UDP connections from host to guest [-net user]\n"
4831 "Linux boot specific:\n"
4832 "-kernel bzImage use 'bzImage' as kernel image\n"
4833 "-append cmdline use 'cmdline' as kernel command line\n"
4834 "-initrd file use 'file' as initial ram disk\n"
4836 "Debug/Expert options:\n"
4837 "-monitor dev redirect the monitor to char device 'dev'\n"
4838 "-serial dev redirect the serial port to char device 'dev'\n"
4839 "-parallel dev redirect the parallel port to char device 'dev'\n"
4840 "-pidfile file Write PID to 'file'\n"
4841 "-S freeze CPU at startup (use 'c' to start execution)\n"
4842 "-s wait gdb connection to port\n"
4843 "-p port set gdb connection port [default=%s]\n"
4844 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4845 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
4846 " translation (t=none or lba) (usually qemu can guess them)\n"
4847 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4849 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4850 "-no-kqemu disable KQEMU kernel module usage\n"
4853 "-enable-kvm enable KVM full virtualization support\n"
4856 "-no-acpi disable ACPI\n"
4858 #ifdef CONFIG_CURSES
4859 "-curses use a curses/ncurses interface instead of SDL\n"
4861 "-no-reboot exit instead of rebooting\n"
4862 "-no-shutdown stop before shutdown\n"
4863 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
4864 "-vnc display start a VNC server on display\n"
4866 "-daemonize daemonize QEMU after initializing\n"
4868 "-option-rom rom load a file, rom, into the option ROM space\n"
4870 "-prom-env variable=value set OpenBIOS nvram variables\n"
4872 "-clock force the use of the given methods for timer alarm.\n"
4873 " To see what timers are available use -clock ?\n"
4874 "-startdate select initial date of the clock\n"
4875 "-icount [N|auto]\n"
4876 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
4878 "During emulation, the following keys are useful:\n"
4879 "ctrl-alt-f toggle full screen\n"
4880 "ctrl-alt-n switch to virtual console 'n'\n"
4881 "ctrl-alt toggle mouse and keyboard grab\n"
4883 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4888 DEFAULT_NETWORK_SCRIPT
,
4889 DEFAULT_NETWORK_DOWN_SCRIPT
,
4891 DEFAULT_GDBSTUB_PORT
,
4896 #define HAS_ARG 0x0001
4911 QEMU_OPTION_mtdblock
,
4915 QEMU_OPTION_snapshot
,
4917 QEMU_OPTION_no_fd_bootchk
,
4920 QEMU_OPTION_nographic
,
4921 QEMU_OPTION_portrait
,
4923 QEMU_OPTION_audio_help
,
4924 QEMU_OPTION_soundhw
,
4945 QEMU_OPTION_localtime
,
4949 QEMU_OPTION_monitor
,
4951 QEMU_OPTION_parallel
,
4953 QEMU_OPTION_full_screen
,
4954 QEMU_OPTION_no_frame
,
4955 QEMU_OPTION_alt_grab
,
4956 QEMU_OPTION_no_quit
,
4957 QEMU_OPTION_pidfile
,
4958 QEMU_OPTION_no_kqemu
,
4959 QEMU_OPTION_kernel_kqemu
,
4960 QEMU_OPTION_enable_kvm
,
4961 QEMU_OPTION_win2k_hack
,
4963 QEMU_OPTION_usbdevice
,
4966 QEMU_OPTION_no_acpi
,
4968 QEMU_OPTION_no_reboot
,
4969 QEMU_OPTION_no_shutdown
,
4970 QEMU_OPTION_show_cursor
,
4971 QEMU_OPTION_daemonize
,
4972 QEMU_OPTION_option_rom
,
4973 QEMU_OPTION_semihosting
,
4975 QEMU_OPTION_prom_env
,
4976 QEMU_OPTION_old_param
,
4978 QEMU_OPTION_startdate
,
4979 QEMU_OPTION_tb_size
,
4982 QEMU_OPTION_incoming
,
4985 typedef struct QEMUOption
{
4991 static const QEMUOption qemu_options
[] = {
4992 { "h", 0, QEMU_OPTION_h
},
4993 { "help", 0, QEMU_OPTION_h
},
4995 { "M", HAS_ARG
, QEMU_OPTION_M
},
4996 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
4997 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
4998 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
4999 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
5000 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
5001 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
5002 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
5003 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
5004 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
5005 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
5006 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
5007 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
5008 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
5009 { "snapshot", 0, QEMU_OPTION_snapshot
},
5011 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
5013 { "m", HAS_ARG
, QEMU_OPTION_m
},
5014 { "nographic", 0, QEMU_OPTION_nographic
},
5015 { "portrait", 0, QEMU_OPTION_portrait
},
5016 { "k", HAS_ARG
, QEMU_OPTION_k
},
5018 { "audio-help", 0, QEMU_OPTION_audio_help
},
5019 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
5022 { "net", HAS_ARG
, QEMU_OPTION_net
},
5024 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
5025 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
5027 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
5029 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
5032 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
5033 { "append", HAS_ARG
, QEMU_OPTION_append
},
5034 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
5036 { "S", 0, QEMU_OPTION_S
},
5037 { "s", 0, QEMU_OPTION_s
},
5038 { "p", HAS_ARG
, QEMU_OPTION_p
},
5039 { "d", HAS_ARG
, QEMU_OPTION_d
},
5040 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
5041 { "L", HAS_ARG
, QEMU_OPTION_L
},
5042 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
5044 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
5045 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
5048 { "enable-kvm", 0, QEMU_OPTION_enable_kvm
},
5050 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5051 { "g", 1, QEMU_OPTION_g
},
5053 { "localtime", 0, QEMU_OPTION_localtime
},
5054 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
5055 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
5056 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
5057 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
5058 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
5059 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
5060 { "full-screen", 0, QEMU_OPTION_full_screen
},
5062 { "no-frame", 0, QEMU_OPTION_no_frame
},
5063 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
5064 { "no-quit", 0, QEMU_OPTION_no_quit
},
5066 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
5067 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
5068 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
5069 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
5070 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
5071 #ifdef CONFIG_CURSES
5072 { "curses", 0, QEMU_OPTION_curses
},
5074 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
5076 /* temporary options */
5077 { "usb", 0, QEMU_OPTION_usb
},
5078 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
5079 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
5080 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
5081 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
5082 { "daemonize", 0, QEMU_OPTION_daemonize
},
5083 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
5084 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5085 { "semihosting", 0, QEMU_OPTION_semihosting
},
5087 { "name", HAS_ARG
, QEMU_OPTION_name
},
5088 #if defined(TARGET_SPARC)
5089 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
5091 #if defined(TARGET_ARM)
5092 { "old-param", 0, QEMU_OPTION_old_param
},
5094 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
5095 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
5096 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
5097 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
5098 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
5102 /* password input */
5104 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
5109 if (!bdrv_is_encrypted(bs
))
5112 term_printf("%s is encrypted.\n", name
);
5113 for(i
= 0; i
< 3; i
++) {
5114 monitor_readline("Password: ", 1, password
, sizeof(password
));
5115 if (bdrv_set_key(bs
, password
) == 0)
5117 term_printf("invalid password\n");
5122 static BlockDriverState
*get_bdrv(int index
)
5124 if (index
> nb_drives
)
5126 return drives_table
[index
].bdrv
;
5129 static void read_passwords(void)
5131 BlockDriverState
*bs
;
5134 for(i
= 0; i
< 6; i
++) {
5137 qemu_key_check(bs
, bdrv_get_device_name(bs
));
5142 struct soundhw soundhw
[] = {
5143 #ifdef HAS_AUDIO_CHOICE
5144 #if defined(TARGET_I386) || defined(TARGET_MIPS)
5150 { .init_isa
= pcspk_audio_init
}
5155 "Creative Sound Blaster 16",
5158 { .init_isa
= SB16_init
}
5161 #ifdef CONFIG_CS4231A
5167 { .init_isa
= cs4231a_init
}
5175 "Yamaha YMF262 (OPL3)",
5177 "Yamaha YM3812 (OPL2)",
5181 { .init_isa
= Adlib_init
}
5188 "Gravis Ultrasound GF1",
5191 { .init_isa
= GUS_init
}
5198 "Intel 82801AA AC97 Audio",
5201 { .init_pci
= ac97_init
}
5207 "ENSONIQ AudioPCI ES1370",
5210 { .init_pci
= es1370_init
}
5214 { NULL
, NULL
, 0, 0, { NULL
} }
5217 static void select_soundhw (const char *optarg
)
5221 if (*optarg
== '?') {
5224 printf ("Valid sound card names (comma separated):\n");
5225 for (c
= soundhw
; c
->name
; ++c
) {
5226 printf ("%-11s %s\n", c
->name
, c
->descr
);
5228 printf ("\n-soundhw all will enable all of the above\n");
5229 exit (*optarg
!= '?');
5237 if (!strcmp (optarg
, "all")) {
5238 for (c
= soundhw
; c
->name
; ++c
) {
5246 e
= strchr (p
, ',');
5247 l
= !e
? strlen (p
) : (size_t) (e
- p
);
5249 for (c
= soundhw
; c
->name
; ++c
) {
5250 if (!strncmp (c
->name
, p
, l
)) {
5259 "Unknown sound card name (too big to show)\n");
5262 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
5267 p
+= l
+ (e
!= NULL
);
5271 goto show_valid_cards
;
5276 static void select_vgahw (const char *p
)
5280 if (strstart(p
, "std", &opts
)) {
5281 cirrus_vga_enabled
= 0;
5283 } else if (strstart(p
, "cirrus", &opts
)) {
5284 cirrus_vga_enabled
= 1;
5286 } else if (strstart(p
, "vmware", &opts
)) {
5287 cirrus_vga_enabled
= 0;
5291 fprintf(stderr
, "Unknown vga type: %s\n", p
);
5295 const char *nextopt
;
5297 if (strstart(opts
, ",retrace=", &nextopt
)) {
5299 if (strstart(opts
, "dumb", &nextopt
))
5300 vga_retrace_method
= VGA_RETRACE_DUMB
;
5301 else if (strstart(opts
, "precise", &nextopt
))
5302 vga_retrace_method
= VGA_RETRACE_PRECISE
;
5303 else goto invalid_vga
;
5304 } else goto invalid_vga
;
5310 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
5312 exit(STATUS_CONTROL_C_EXIT
);
5317 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
5321 if(strlen(str
) != 36)
5324 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
5325 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
5326 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
5334 #define MAX_NET_CLIENTS 32
5338 static void termsig_handler(int signal
)
5340 qemu_system_shutdown_request();
5343 static void termsig_setup(void)
5345 struct sigaction act
;
5347 memset(&act
, 0, sizeof(act
));
5348 act
.sa_handler
= termsig_handler
;
5349 sigaction(SIGINT
, &act
, NULL
);
5350 sigaction(SIGHUP
, &act
, NULL
);
5351 sigaction(SIGTERM
, &act
, NULL
);
5356 int main(int argc
, char **argv
)
5358 #ifdef CONFIG_GDBSTUB
5360 const char *gdbstub_port
;
5362 uint32_t boot_devices_bitmap
= 0;
5364 int snapshot
, linux_boot
, net_boot
;
5365 const char *initrd_filename
;
5366 const char *kernel_filename
, *kernel_cmdline
;
5367 const char *boot_devices
= "";
5368 DisplayState
*ds
= &display_state
;
5369 int cyls
, heads
, secs
, translation
;
5370 const char *net_clients
[MAX_NET_CLIENTS
];
5374 const char *r
, *optarg
;
5375 CharDriverState
*monitor_hd
;
5376 const char *monitor_device
;
5377 const char *serial_devices
[MAX_SERIAL_PORTS
];
5378 int serial_device_index
;
5379 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
5380 int parallel_device_index
;
5381 const char *loadvm
= NULL
;
5382 QEMUMachine
*machine
;
5383 const char *cpu_model
;
5384 const char *usb_devices
[MAX_USB_CMDLINE
];
5385 int usb_devices_index
;
5388 const char *pid_file
= NULL
;
5390 const char *incoming
= NULL
;
5392 LIST_INIT (&vm_change_state_head
);
5395 struct sigaction act
;
5396 sigfillset(&act
.sa_mask
);
5398 act
.sa_handler
= SIG_IGN
;
5399 sigaction(SIGPIPE
, &act
, NULL
);
5402 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
5403 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5404 QEMU to run on a single CPU */
5409 h
= GetCurrentProcess();
5410 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
5411 for(i
= 0; i
< 32; i
++) {
5412 if (mask
& (1 << i
))
5417 SetProcessAffinityMask(h
, mask
);
5423 register_machines();
5424 machine
= first_machine
;
5426 initrd_filename
= NULL
;
5428 vga_ram_size
= VGA_RAM_SIZE
;
5429 #ifdef CONFIG_GDBSTUB
5431 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
5436 kernel_filename
= NULL
;
5437 kernel_cmdline
= "";
5438 cyls
= heads
= secs
= 0;
5439 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5440 monitor_device
= "vc";
5442 serial_devices
[0] = "vc:80Cx24C";
5443 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
5444 serial_devices
[i
] = NULL
;
5445 serial_device_index
= 0;
5447 parallel_devices
[0] = "vc:640x480";
5448 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
5449 parallel_devices
[i
] = NULL
;
5450 parallel_device_index
= 0;
5452 usb_devices_index
= 0;
5470 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
5472 const QEMUOption
*popt
;
5475 /* Treat --foo the same as -foo. */
5478 popt
= qemu_options
;
5481 fprintf(stderr
, "%s: invalid option -- '%s'\n",
5485 if (!strcmp(popt
->name
, r
+ 1))
5489 if (popt
->flags
& HAS_ARG
) {
5490 if (optind
>= argc
) {
5491 fprintf(stderr
, "%s: option '%s' requires an argument\n",
5495 optarg
= argv
[optind
++];
5500 switch(popt
->index
) {
5502 machine
= find_machine(optarg
);
5505 printf("Supported machines are:\n");
5506 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
5507 printf("%-10s %s%s\n",
5509 m
== first_machine
? " (default)" : "");
5511 exit(*optarg
!= '?');
5514 case QEMU_OPTION_cpu
:
5515 /* hw initialization will check this */
5516 if (*optarg
== '?') {
5517 /* XXX: implement xxx_cpu_list for targets that still miss it */
5518 #if defined(cpu_list)
5519 cpu_list(stdout
, &fprintf
);
5526 case QEMU_OPTION_initrd
:
5527 initrd_filename
= optarg
;
5529 case QEMU_OPTION_hda
:
5531 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
5533 hda_index
= drive_add(optarg
, HD_ALIAS
5534 ",cyls=%d,heads=%d,secs=%d%s",
5535 0, cyls
, heads
, secs
,
5536 translation
== BIOS_ATA_TRANSLATION_LBA
?
5538 translation
== BIOS_ATA_TRANSLATION_NONE
?
5539 ",trans=none" : "");
5541 case QEMU_OPTION_hdb
:
5542 case QEMU_OPTION_hdc
:
5543 case QEMU_OPTION_hdd
:
5544 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
5546 case QEMU_OPTION_drive
:
5547 drive_add(NULL
, "%s", optarg
);
5549 case QEMU_OPTION_mtdblock
:
5550 drive_add(optarg
, MTD_ALIAS
);
5552 case QEMU_OPTION_sd
:
5553 drive_add(optarg
, SD_ALIAS
);
5555 case QEMU_OPTION_pflash
:
5556 drive_add(optarg
, PFLASH_ALIAS
);
5558 case QEMU_OPTION_snapshot
:
5561 case QEMU_OPTION_hdachs
:
5565 cyls
= strtol(p
, (char **)&p
, 0);
5566 if (cyls
< 1 || cyls
> 16383)
5571 heads
= strtol(p
, (char **)&p
, 0);
5572 if (heads
< 1 || heads
> 16)
5577 secs
= strtol(p
, (char **)&p
, 0);
5578 if (secs
< 1 || secs
> 63)
5582 if (!strcmp(p
, "none"))
5583 translation
= BIOS_ATA_TRANSLATION_NONE
;
5584 else if (!strcmp(p
, "lba"))
5585 translation
= BIOS_ATA_TRANSLATION_LBA
;
5586 else if (!strcmp(p
, "auto"))
5587 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5590 } else if (*p
!= '\0') {
5592 fprintf(stderr
, "qemu: invalid physical CHS format\n");
5595 if (hda_index
!= -1)
5596 snprintf(drives_opt
[hda_index
].opt
,
5597 sizeof(drives_opt
[hda_index
].opt
),
5598 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
5599 0, cyls
, heads
, secs
,
5600 translation
== BIOS_ATA_TRANSLATION_LBA
?
5602 translation
== BIOS_ATA_TRANSLATION_NONE
?
5603 ",trans=none" : "");
5606 case QEMU_OPTION_nographic
:
5609 #ifdef CONFIG_CURSES
5610 case QEMU_OPTION_curses
:
5614 case QEMU_OPTION_portrait
:
5617 case QEMU_OPTION_kernel
:
5618 kernel_filename
= optarg
;
5620 case QEMU_OPTION_append
:
5621 kernel_cmdline
= optarg
;
5623 case QEMU_OPTION_cdrom
:
5624 drive_add(optarg
, CDROM_ALIAS
);
5626 case QEMU_OPTION_boot
:
5627 boot_devices
= optarg
;
5628 /* We just do some generic consistency checks */
5630 /* Could easily be extended to 64 devices if needed */
5633 boot_devices_bitmap
= 0;
5634 for (p
= boot_devices
; *p
!= '\0'; p
++) {
5635 /* Allowed boot devices are:
5636 * a b : floppy disk drives
5637 * c ... f : IDE disk drives
5638 * g ... m : machine implementation dependant drives
5639 * n ... p : network devices
5640 * It's up to each machine implementation to check
5641 * if the given boot devices match the actual hardware
5642 * implementation and firmware features.
5644 if (*p
< 'a' || *p
> 'q') {
5645 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
5648 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
5650 "Boot device '%c' was given twice\n",*p
);
5653 boot_devices_bitmap
|= 1 << (*p
- 'a');
5657 case QEMU_OPTION_fda
:
5658 case QEMU_OPTION_fdb
:
5659 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
5662 case QEMU_OPTION_no_fd_bootchk
:
5666 case QEMU_OPTION_net
:
5667 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
5668 fprintf(stderr
, "qemu: too many network clients\n");
5671 net_clients
[nb_net_clients
] = optarg
;
5675 case QEMU_OPTION_tftp
:
5676 tftp_prefix
= optarg
;
5678 case QEMU_OPTION_bootp
:
5679 bootp_filename
= optarg
;
5682 case QEMU_OPTION_smb
:
5683 net_slirp_smb(optarg
);
5686 case QEMU_OPTION_redir
:
5687 net_slirp_redir(optarg
);
5691 case QEMU_OPTION_audio_help
:
5695 case QEMU_OPTION_soundhw
:
5696 select_soundhw (optarg
);
5702 case QEMU_OPTION_m
: {
5706 value
= strtoul(optarg
, &ptr
, 10);
5708 case 0: case 'M': case 'm':
5715 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
5719 /* On 32-bit hosts, QEMU is limited by virtual address space */
5720 if (value
> (2047 << 20)
5722 && HOST_LONG_BITS
== 32
5725 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
5728 if (value
!= (uint64_t)(ram_addr_t
)value
) {
5729 fprintf(stderr
, "qemu: ram size too large\n");
5738 const CPULogItem
*item
;
5740 mask
= cpu_str_to_log_mask(optarg
);
5742 printf("Log items (comma separated):\n");
5743 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5744 printf("%-10s %s\n", item
->name
, item
->help
);
5751 #ifdef CONFIG_GDBSTUB
5756 gdbstub_port
= optarg
;
5762 case QEMU_OPTION_bios
:
5769 keyboard_layout
= optarg
;
5771 case QEMU_OPTION_localtime
:
5774 case QEMU_OPTION_vga
:
5775 select_vgahw (optarg
);
5782 w
= strtol(p
, (char **)&p
, 10);
5785 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5791 h
= strtol(p
, (char **)&p
, 10);
5796 depth
= strtol(p
, (char **)&p
, 10);
5797 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5798 depth
!= 24 && depth
!= 32)
5800 } else if (*p
== '\0') {
5801 depth
= graphic_depth
;
5808 graphic_depth
= depth
;
5811 case QEMU_OPTION_echr
:
5814 term_escape_char
= strtol(optarg
, &r
, 0);
5816 printf("Bad argument to echr\n");
5819 case QEMU_OPTION_monitor
:
5820 monitor_device
= optarg
;
5822 case QEMU_OPTION_serial
:
5823 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5824 fprintf(stderr
, "qemu: too many serial ports\n");
5827 serial_devices
[serial_device_index
] = optarg
;
5828 serial_device_index
++;
5830 case QEMU_OPTION_parallel
:
5831 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5832 fprintf(stderr
, "qemu: too many parallel ports\n");
5835 parallel_devices
[parallel_device_index
] = optarg
;
5836 parallel_device_index
++;
5838 case QEMU_OPTION_loadvm
:
5841 case QEMU_OPTION_full_screen
:
5845 case QEMU_OPTION_no_frame
:
5848 case QEMU_OPTION_alt_grab
:
5851 case QEMU_OPTION_no_quit
:
5855 case QEMU_OPTION_pidfile
:
5859 case QEMU_OPTION_win2k_hack
:
5860 win2k_install_hack
= 1;
5864 case QEMU_OPTION_no_kqemu
:
5867 case QEMU_OPTION_kernel_kqemu
:
5872 case QEMU_OPTION_enable_kvm
:
5879 case QEMU_OPTION_usb
:
5882 case QEMU_OPTION_usbdevice
:
5884 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5885 fprintf(stderr
, "Too many USB devices\n");
5888 usb_devices
[usb_devices_index
] = optarg
;
5889 usb_devices_index
++;
5891 case QEMU_OPTION_smp
:
5892 smp_cpus
= atoi(optarg
);
5894 fprintf(stderr
, "Invalid number of CPUs\n");
5898 case QEMU_OPTION_vnc
:
5899 vnc_display
= optarg
;
5901 case QEMU_OPTION_no_acpi
:
5904 case QEMU_OPTION_no_reboot
:
5907 case QEMU_OPTION_no_shutdown
:
5910 case QEMU_OPTION_show_cursor
:
5913 case QEMU_OPTION_uuid
:
5914 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5915 fprintf(stderr
, "Fail to parse UUID string."
5916 " Wrong format.\n");
5920 case QEMU_OPTION_daemonize
:
5923 case QEMU_OPTION_option_rom
:
5924 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5925 fprintf(stderr
, "Too many option ROMs\n");
5928 option_rom
[nb_option_roms
] = optarg
;
5931 case QEMU_OPTION_semihosting
:
5932 semihosting_enabled
= 1;
5934 case QEMU_OPTION_name
:
5938 case QEMU_OPTION_prom_env
:
5939 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5940 fprintf(stderr
, "Too many prom variables\n");
5943 prom_envs
[nb_prom_envs
] = optarg
;
5948 case QEMU_OPTION_old_param
:
5952 case QEMU_OPTION_clock
:
5953 configure_alarms(optarg
);
5955 case QEMU_OPTION_startdate
:
5958 time_t rtc_start_date
;
5959 if (!strcmp(optarg
, "now")) {
5960 rtc_date_offset
= -1;
5962 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5970 } else if (sscanf(optarg
, "%d-%d-%d",
5973 &tm
.tm_mday
) == 3) {
5982 rtc_start_date
= mktimegm(&tm
);
5983 if (rtc_start_date
== -1) {
5985 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5986 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5989 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5993 case QEMU_OPTION_tb_size
:
5994 tb_size
= strtol(optarg
, NULL
, 0);
5998 case QEMU_OPTION_icount
:
6000 if (strcmp(optarg
, "auto") == 0) {
6001 icount_time_shift
= -1;
6003 icount_time_shift
= strtol(optarg
, NULL
, 0);
6006 case QEMU_OPTION_incoming
:
6013 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
6014 if (kvm_allowed
&& kqemu_allowed
) {
6016 "You can not enable both KVM and kqemu at the same time\n");
6021 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
6022 if (smp_cpus
> machine
->max_cpus
) {
6023 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
6024 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
6030 if (serial_device_index
== 0)
6031 serial_devices
[0] = "stdio";
6032 if (parallel_device_index
== 0)
6033 parallel_devices
[0] = "null";
6034 if (strncmp(monitor_device
, "vc", 2) == 0)
6035 monitor_device
= "stdio";
6042 if (pipe(fds
) == -1)
6053 len
= read(fds
[0], &status
, 1);
6054 if (len
== -1 && (errno
== EINTR
))
6059 else if (status
== 1) {
6060 fprintf(stderr
, "Could not acquire pidfile\n");
6077 signal(SIGTSTP
, SIG_IGN
);
6078 signal(SIGTTOU
, SIG_IGN
);
6079 signal(SIGTTIN
, SIG_IGN
);
6083 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
6086 write(fds
[1], &status
, 1);
6088 fprintf(stderr
, "Could not acquire pid file\n");
6096 linux_boot
= (kernel_filename
!= NULL
);
6097 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
6099 if (!linux_boot
&& net_boot
== 0 &&
6100 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
6103 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
6104 fprintf(stderr
, "-append only allowed with -kernel option\n");
6108 if (!linux_boot
&& initrd_filename
!= NULL
) {
6109 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
6113 /* boot to floppy or the default cd if no hard disk defined yet */
6114 if (!boot_devices
[0]) {
6115 boot_devices
= "cad";
6117 setvbuf(stdout
, NULL
, _IOLBF
, 0);
6120 if (init_timer_alarm() < 0) {
6121 fprintf(stderr
, "could not initialize alarm timer\n");
6124 if (use_icount
&& icount_time_shift
< 0) {
6126 /* 125MIPS seems a reasonable initial guess at the guest speed.
6127 It will be corrected fairly quickly anyway. */
6128 icount_time_shift
= 3;
6129 init_icount_adjust();
6136 /* init network clients */
6137 if (nb_net_clients
== 0) {
6138 /* if no clients, we use a default config */
6139 net_clients
[nb_net_clients
++] = "nic";
6141 net_clients
[nb_net_clients
++] = "user";
6145 for(i
= 0;i
< nb_net_clients
; i
++) {
6146 if (net_client_parse(net_clients
[i
]) < 0)
6152 /* XXX: this should be moved in the PC machine instantiation code */
6153 if (net_boot
!= 0) {
6155 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
6156 const char *model
= nd_table
[i
].model
;
6158 if (net_boot
& (1 << i
)) {
6161 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
6162 if (get_image_size(buf
) > 0) {
6163 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
6164 fprintf(stderr
, "Too many option ROMs\n");
6167 option_rom
[nb_option_roms
] = strdup(buf
);
6174 fprintf(stderr
, "No valid PXE rom found for network device\n");
6180 /* init the memory */
6181 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
6183 if (machine
->ram_require
& RAMSIZE_FIXED
) {
6185 if (ram_size
< phys_ram_size
) {
6186 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
6187 machine
->name
, (unsigned long long) phys_ram_size
);
6191 phys_ram_size
= ram_size
;
6193 ram_size
= phys_ram_size
;
6196 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
6198 phys_ram_size
+= ram_size
;
6201 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
6202 if (!phys_ram_base
) {
6203 fprintf(stderr
, "Could not allocate physical memory\n");
6207 /* init the dynamic translator */
6208 cpu_exec_init_all(tb_size
* 1024 * 1024);
6212 /* we always create the cdrom drive, even if no disk is there */
6214 if (nb_drives_opt
< MAX_DRIVES
)
6215 drive_add(NULL
, CDROM_ALIAS
);
6217 /* we always create at least one floppy */
6219 if (nb_drives_opt
< MAX_DRIVES
)
6220 drive_add(NULL
, FD_ALIAS
, 0);
6222 /* we always create one sd slot, even if no card is in it */
6224 if (nb_drives_opt
< MAX_DRIVES
)
6225 drive_add(NULL
, SD_ALIAS
);
6227 /* open the virtual block devices */
6229 for(i
= 0; i
< nb_drives_opt
; i
++)
6230 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
6233 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
6234 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
6237 memset(&display_state
, 0, sizeof(display_state
));
6240 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
6243 /* nearly nothing to do */
6244 dumb_display_init(ds
);
6245 } else if (vnc_display
!= NULL
) {
6246 vnc_display_init(ds
);
6247 if (vnc_display_open(ds
, vnc_display
) < 0)
6250 #if defined(CONFIG_CURSES)
6252 curses_display_init(ds
, full_screen
);
6256 #if defined(CONFIG_SDL)
6257 sdl_display_init(ds
, full_screen
, no_frame
);
6258 #elif defined(CONFIG_COCOA)
6259 cocoa_display_init(ds
, full_screen
);
6261 dumb_display_init(ds
);
6266 /* must be after terminal init, SDL library changes signal handlers */
6270 /* Maintain compatibility with multiple stdio monitors */
6271 if (!strcmp(monitor_device
,"stdio")) {
6272 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6273 const char *devname
= serial_devices
[i
];
6274 if (devname
&& !strcmp(devname
,"mon:stdio")) {
6275 monitor_device
= NULL
;
6277 } else if (devname
&& !strcmp(devname
,"stdio")) {
6278 monitor_device
= NULL
;
6279 serial_devices
[i
] = "mon:stdio";
6284 if (monitor_device
) {
6285 monitor_hd
= qemu_chr_open("monitor", monitor_device
);
6287 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
6290 monitor_init(monitor_hd
, !nographic
);
6293 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6294 const char *devname
= serial_devices
[i
];
6295 if (devname
&& strcmp(devname
, "none")) {
6297 snprintf(label
, sizeof(label
), "serial%d", i
);
6298 serial_hds
[i
] = qemu_chr_open(label
, devname
);
6299 if (!serial_hds
[i
]) {
6300 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
6304 if (strstart(devname
, "vc", 0))
6305 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
6309 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6310 const char *devname
= parallel_devices
[i
];
6311 if (devname
&& strcmp(devname
, "none")) {
6313 snprintf(label
, sizeof(label
), "parallel%d", i
);
6314 parallel_hds
[i
] = qemu_chr_open(label
, devname
);
6315 if (!parallel_hds
[i
]) {
6316 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
6320 if (strstart(devname
, "vc", 0))
6321 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
6325 if (kvm_enabled()) {
6328 ret
= kvm_init(smp_cpus
);
6330 fprintf(stderr
, "failed to initialize KVM\n");
6335 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
6336 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
6338 /* init USB devices */
6340 for(i
= 0; i
< usb_devices_index
; i
++) {
6341 if (usb_device_add(usb_devices
[i
]) < 0) {
6342 fprintf(stderr
, "Warning: could not add USB device %s\n",
6348 if (display_state
.dpy_refresh
) {
6349 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
6350 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
6353 #ifdef CONFIG_GDBSTUB
6355 /* XXX: use standard host:port notation and modify options
6357 if (gdbserver_start(gdbstub_port
) < 0) {
6358 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
6369 autostart
= 0; /* fixme how to deal with -daemonize */
6370 qemu_start_incoming_migration(incoming
);
6374 /* XXX: simplify init */
6387 len
= write(fds
[1], &status
, 1);
6388 if (len
== -1 && (errno
== EINTR
))
6395 TFR(fd
= open("/dev/null", O_RDWR
));