4 * Copyright (c) 2003-2004 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
34 #include <sys/times.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
50 #include <linux/if_tun.h>
53 #include <linux/rtc.h>
57 #if defined(CONFIG_SLIRP)
63 #include <sys/timeb.h>
65 #define getopt_long_only getopt_long
66 #define memalign(align, size) malloc(size)
73 #endif /* CONFIG_SDL */
77 #define main qemu_main
78 #endif /* CONFIG_COCOA */
86 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
88 //#define DEBUG_UNUSED_IOPORT
89 //#define DEBUG_IOPORT
91 #if !defined(CONFIG_SOFTMMU)
92 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
94 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
98 #define DEFAULT_RAM_SIZE 144
100 #define DEFAULT_RAM_SIZE 128
103 #define GUI_REFRESH_INTERVAL 30
105 /* XXX: use a two level table to limit memory usage */
106 #define MAX_IOPORTS 65536
108 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
109 char phys_ram_file
[1024];
110 CPUState
*global_env
;
111 CPUState
*cpu_single_env
;
112 void *ioport_opaque
[MAX_IOPORTS
];
113 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
114 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
115 BlockDriverState
*bs_table
[MAX_DISKS
], *fd_table
[MAX_FD
];
118 static DisplayState display_state
;
120 const char* keyboard_layout
= NULL
;
121 int64_t ticks_per_sec
;
122 int boot_device
= 'c';
124 static char network_script
[1024];
125 int pit_min_timer_count
= 0;
127 NetDriverState nd_table
[MAX_NICS
];
128 QEMUTimer
*gui_timer
;
130 int audio_enabled
= 0;
131 int sb16_enabled
= 1;
132 int adlib_enabled
= 1;
135 int prep_enabled
= 0;
137 int cirrus_vga_enabled
= 1;
138 int graphic_width
= 800;
139 int graphic_height
= 600;
140 int graphic_depth
= 15;
142 TextConsole
*vga_console
;
143 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
144 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
146 /***********************************************************/
147 /* x86 ISA bus support */
149 target_phys_addr_t isa_mem_base
= 0;
151 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
153 #ifdef DEBUG_UNUSED_IOPORT
154 fprintf(stderr
, "inb: port=0x%04x\n", address
);
159 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
161 #ifdef DEBUG_UNUSED_IOPORT
162 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
166 /* default is to make two byte accesses */
167 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
170 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
171 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
172 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
176 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
178 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
179 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
180 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
183 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
185 #ifdef DEBUG_UNUSED_IOPORT
186 fprintf(stderr
, "inl: port=0x%04x\n", address
);
191 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
193 #ifdef DEBUG_UNUSED_IOPORT
194 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
198 void init_ioports(void)
202 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
203 ioport_read_table
[0][i
] = default_ioport_readb
;
204 ioport_write_table
[0][i
] = default_ioport_writeb
;
205 ioport_read_table
[1][i
] = default_ioport_readw
;
206 ioport_write_table
[1][i
] = default_ioport_writew
;
207 ioport_read_table
[2][i
] = default_ioport_readl
;
208 ioport_write_table
[2][i
] = default_ioport_writel
;
212 /* size is the word size in byte */
213 int register_ioport_read(int start
, int length
, int size
,
214 IOPortReadFunc
*func
, void *opaque
)
220 } else if (size
== 2) {
222 } else if (size
== 4) {
225 hw_error("register_ioport_read: invalid size");
228 for(i
= start
; i
< start
+ length
; i
+= size
) {
229 ioport_read_table
[bsize
][i
] = func
;
230 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
231 hw_error("register_ioport_read: invalid opaque");
232 ioport_opaque
[i
] = opaque
;
237 /* size is the word size in byte */
238 int register_ioport_write(int start
, int length
, int size
,
239 IOPortWriteFunc
*func
, void *opaque
)
245 } else if (size
== 2) {
247 } else if (size
== 4) {
250 hw_error("register_ioport_write: invalid size");
253 for(i
= start
; i
< start
+ length
; i
+= size
) {
254 ioport_write_table
[bsize
][i
] = func
;
255 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
256 hw_error("register_ioport_read: invalid opaque");
257 ioport_opaque
[i
] = opaque
;
262 void isa_unassign_ioport(int start
, int length
)
266 for(i
= start
; i
< start
+ length
; i
++) {
267 ioport_read_table
[0][i
] = default_ioport_readb
;
268 ioport_read_table
[1][i
] = default_ioport_readw
;
269 ioport_read_table
[2][i
] = default_ioport_readl
;
271 ioport_write_table
[0][i
] = default_ioport_writeb
;
272 ioport_write_table
[1][i
] = default_ioport_writew
;
273 ioport_write_table
[2][i
] = default_ioport_writel
;
277 /***********************************************************/
279 void pstrcpy(char *buf
, int buf_size
, const char *str
)
289 if (c
== 0 || q
>= buf
+ buf_size
- 1)
296 /* strcat and truncate. */
297 char *pstrcat(char *buf
, int buf_size
, const char *s
)
302 pstrcpy(buf
+ len
, buf_size
- len
, s
);
306 int strstart(const char *str
, const char *val
, const char **ptr
)
322 /* return the size or -1 if error */
323 int get_image_size(const char *filename
)
326 fd
= open(filename
, O_RDONLY
| O_BINARY
);
329 size
= lseek(fd
, 0, SEEK_END
);
334 /* return the size or -1 if error */
335 int load_image(const char *filename
, uint8_t *addr
)
338 fd
= open(filename
, O_RDONLY
| O_BINARY
);
341 size
= lseek(fd
, 0, SEEK_END
);
342 lseek(fd
, 0, SEEK_SET
);
343 if (read(fd
, addr
, size
) != size
) {
351 void cpu_outb(CPUState
*env
, int addr
, int val
)
354 if (loglevel
& CPU_LOG_IOPORT
)
355 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
357 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
360 void cpu_outw(CPUState
*env
, int addr
, int val
)
363 if (loglevel
& CPU_LOG_IOPORT
)
364 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
366 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
369 void cpu_outl(CPUState
*env
, int addr
, int val
)
372 if (loglevel
& CPU_LOG_IOPORT
)
373 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
375 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
378 int cpu_inb(CPUState
*env
, int addr
)
381 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
383 if (loglevel
& CPU_LOG_IOPORT
)
384 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
389 int cpu_inw(CPUState
*env
, int addr
)
392 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
394 if (loglevel
& CPU_LOG_IOPORT
)
395 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
400 int cpu_inl(CPUState
*env
, int addr
)
403 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
405 if (loglevel
& CPU_LOG_IOPORT
)
406 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
411 /***********************************************************/
412 void hw_error(const char *fmt
, ...)
417 fprintf(stderr
, "qemu: hardware error: ");
418 vfprintf(stderr
, fmt
, ap
);
419 fprintf(stderr
, "\n");
421 cpu_dump_state(global_env
, stderr
, fprintf
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
423 cpu_dump_state(global_env
, stderr
, fprintf
, 0);
429 /***********************************************************/
432 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
433 static void *qemu_put_kbd_event_opaque
;
434 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
435 static void *qemu_put_mouse_event_opaque
;
437 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
439 qemu_put_kbd_event_opaque
= opaque
;
440 qemu_put_kbd_event
= func
;
443 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
445 qemu_put_mouse_event_opaque
= opaque
;
446 qemu_put_mouse_event
= func
;
449 void kbd_put_keycode(int keycode
)
451 if (qemu_put_kbd_event
) {
452 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
456 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
458 if (qemu_put_mouse_event
) {
459 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
460 dx
, dy
, dz
, buttons_state
);
464 /***********************************************************/
467 #if defined(__powerpc__)
469 static inline uint32_t get_tbl(void)
472 asm volatile("mftb %0" : "=r" (tbl
));
476 static inline uint32_t get_tbu(void)
479 asm volatile("mftbu %0" : "=r" (tbl
));
483 int64_t cpu_get_real_ticks(void)
486 /* NOTE: we test if wrapping has occurred */
492 return ((int64_t)h
<< 32) | l
;
495 #elif defined(__i386__)
497 int64_t cpu_get_real_ticks(void)
500 asm volatile ("rdtsc" : "=A" (val
));
504 #elif defined(__x86_64__)
506 int64_t cpu_get_real_ticks(void)
510 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
518 #error unsupported CPU
521 static int64_t cpu_ticks_offset
;
522 static int cpu_ticks_enabled
;
524 static inline int64_t cpu_get_ticks(void)
526 if (!cpu_ticks_enabled
) {
527 return cpu_ticks_offset
;
529 return cpu_get_real_ticks() + cpu_ticks_offset
;
533 /* enable cpu_get_ticks() */
534 void cpu_enable_ticks(void)
536 if (!cpu_ticks_enabled
) {
537 cpu_ticks_offset
-= cpu_get_real_ticks();
538 cpu_ticks_enabled
= 1;
542 /* disable cpu_get_ticks() : the clock is stopped. You must not call
543 cpu_get_ticks() after that. */
544 void cpu_disable_ticks(void)
546 if (cpu_ticks_enabled
) {
547 cpu_ticks_offset
= cpu_get_ticks();
548 cpu_ticks_enabled
= 0;
552 static int64_t get_clock(void)
557 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
560 gettimeofday(&tv
, NULL
);
561 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
565 void cpu_calibrate_ticks(void)
570 ticks
= cpu_get_real_ticks();
576 usec
= get_clock() - usec
;
577 ticks
= cpu_get_real_ticks() - ticks
;
578 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
581 /* compute with 96 bit intermediate result: (a*b)/c */
582 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
587 #ifdef WORDS_BIGENDIAN
597 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
598 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
601 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
605 #define QEMU_TIMER_REALTIME 0
606 #define QEMU_TIMER_VIRTUAL 1
610 /* XXX: add frequency */
618 struct QEMUTimer
*next
;
624 static QEMUTimer
*active_timers
[2];
626 static MMRESULT timerID
;
628 /* frequency of the times() clock tick */
629 static int timer_freq
;
632 QEMUClock
*qemu_new_clock(int type
)
635 clock
= qemu_mallocz(sizeof(QEMUClock
));
642 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
646 ts
= qemu_mallocz(sizeof(QEMUTimer
));
653 void qemu_free_timer(QEMUTimer
*ts
)
658 /* stop a timer, but do not dealloc it */
659 void qemu_del_timer(QEMUTimer
*ts
)
663 /* NOTE: this code must be signal safe because
664 qemu_timer_expired() can be called from a signal. */
665 pt
= &active_timers
[ts
->clock
->type
];
678 /* modify the current timer so that it will be fired when current_time
679 >= expire_time. The corresponding callback will be called. */
680 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
686 /* add the timer in the sorted list */
687 /* NOTE: this code must be signal safe because
688 qemu_timer_expired() can be called from a signal. */
689 pt
= &active_timers
[ts
->clock
->type
];
694 if (t
->expire_time
> expire_time
)
698 ts
->expire_time
= expire_time
;
703 int qemu_timer_pending(QEMUTimer
*ts
)
706 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
713 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
717 return (timer_head
->expire_time
<= current_time
);
720 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
726 if (!ts
|| ts
->expire_time
> current_time
)
728 /* remove timer from the list before calling the callback */
729 *ptimer_head
= ts
->next
;
732 /* run the callback (the timer list can be modified) */
737 int64_t qemu_get_clock(QEMUClock
*clock
)
739 switch(clock
->type
) {
740 case QEMU_TIMER_REALTIME
:
742 return GetTickCount();
747 /* Note that using gettimeofday() is not a good solution
748 for timers because its value change when the date is
750 if (timer_freq
== 100) {
751 return times(&tp
) * 10;
753 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
758 case QEMU_TIMER_VIRTUAL
:
759 return cpu_get_ticks();
764 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
766 uint64_t expire_time
;
768 if (qemu_timer_pending(ts
)) {
769 expire_time
= ts
->expire_time
;
773 qemu_put_be64(f
, expire_time
);
776 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
778 uint64_t expire_time
;
780 expire_time
= qemu_get_be64(f
);
781 if (expire_time
!= -1) {
782 qemu_mod_timer(ts
, expire_time
);
788 static void timer_save(QEMUFile
*f
, void *opaque
)
790 if (cpu_ticks_enabled
) {
791 hw_error("cannot save state if virtual timers are running");
793 qemu_put_be64s(f
, &cpu_ticks_offset
);
794 qemu_put_be64s(f
, &ticks_per_sec
);
797 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
801 if (cpu_ticks_enabled
) {
804 qemu_get_be64s(f
, &cpu_ticks_offset
);
805 qemu_get_be64s(f
, &ticks_per_sec
);
810 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
811 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
813 static void host_alarm_handler(int host_signum
)
817 #define DISP_FREQ 1000
819 static int64_t delta_min
= INT64_MAX
;
820 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
822 ti
= qemu_get_clock(vm_clock
);
823 if (last_clock
!= 0) {
824 delta
= ti
- last_clock
;
825 if (delta
< delta_min
)
827 if (delta
> delta_max
)
830 if (++count
== DISP_FREQ
) {
831 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
832 muldiv64(delta_min
, 1000000, ticks_per_sec
),
833 muldiv64(delta_max
, 1000000, ticks_per_sec
),
834 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
835 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
837 delta_min
= INT64_MAX
;
845 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
846 qemu_get_clock(vm_clock
)) ||
847 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
848 qemu_get_clock(rt_clock
))) {
849 /* stop the cpu because a timer occured */
850 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
856 #if defined(__linux__)
858 #define RTC_FREQ 1024
862 static int start_rtc_timer(void)
864 rtc_fd
= open("/dev/rtc", O_RDONLY
);
867 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
868 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
869 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
870 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
873 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
878 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
884 static int start_rtc_timer(void)
889 #endif /* !defined(__linux__) */
891 #endif /* !defined(_WIN32) */
893 static void init_timers(void)
895 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
896 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
901 timerID
= timeSetEvent(10, // interval (ms)
903 host_alarm_handler
, // function
904 (DWORD
)&count
, // user parameter
905 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
907 perror("failed timer alarm");
911 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
914 struct sigaction act
;
915 struct itimerval itv
;
917 /* get times() syscall frequency */
918 timer_freq
= sysconf(_SC_CLK_TCK
);
921 sigfillset(&act
.sa_mask
);
923 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
924 act
.sa_flags
|= SA_ONSTACK
;
926 act
.sa_handler
= host_alarm_handler
;
927 sigaction(SIGALRM
, &act
, NULL
);
929 itv
.it_interval
.tv_sec
= 0;
930 itv
.it_interval
.tv_usec
= 999; /* for i386 kernel 2.6 to get 1 ms */
931 itv
.it_value
.tv_sec
= 0;
932 itv
.it_value
.tv_usec
= 10 * 1000;
933 setitimer(ITIMER_REAL
, &itv
, NULL
);
934 /* we probe the tick duration of the kernel to inform the user if
935 the emulated kernel requested a too high timer frequency */
936 getitimer(ITIMER_REAL
, &itv
);
938 #if defined(__linux__)
939 if (itv
.it_interval
.tv_usec
> 1000) {
940 /* try to use /dev/rtc to have a faster timer */
941 if (start_rtc_timer() < 0)
944 itv
.it_interval
.tv_sec
= 0;
945 itv
.it_interval
.tv_usec
= 0;
946 itv
.it_value
.tv_sec
= 0;
947 itv
.it_value
.tv_usec
= 0;
948 setitimer(ITIMER_REAL
, &itv
, NULL
);
951 sigaction(SIGIO
, &act
, NULL
);
952 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
953 fcntl(rtc_fd
, F_SETOWN
, getpid());
955 #endif /* defined(__linux__) */
958 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
965 void quit_timers(void)
968 timeKillEvent(timerID
);
972 /***********************************************************/
973 /* character device */
975 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
977 return s
->chr_write(s
, buf
, len
);
980 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
985 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
986 qemu_chr_write(s
, buf
, strlen(buf
));
990 void qemu_chr_send_event(CharDriverState
*s
, int event
)
992 if (s
->chr_send_event
)
993 s
->chr_send_event(s
, event
);
996 void qemu_chr_add_read_handler(CharDriverState
*s
,
997 IOCanRWHandler
*fd_can_read
,
998 IOReadHandler
*fd_read
, void *opaque
)
1000 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
1003 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
1005 s
->chr_event
= chr_event
;
1008 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1013 static void null_chr_add_read_handler(CharDriverState
*chr
,
1014 IOCanRWHandler
*fd_can_read
,
1015 IOReadHandler
*fd_read
, void *opaque
)
1019 CharDriverState
*qemu_chr_open_null(void)
1021 CharDriverState
*chr
;
1023 chr
= qemu_mallocz(sizeof(CharDriverState
));
1026 chr
->chr_write
= null_chr_write
;
1027 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1035 /* for nographic stdio only */
1036 IOCanRWHandler
*fd_can_read
;
1037 IOReadHandler
*fd_read
;
1041 #define STDIO_MAX_CLIENTS 2
1043 static int stdio_nb_clients
;
1044 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1046 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1052 ret
= write(fd
, buf
, len
);
1054 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1056 } else if (ret
== 0) {
1066 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1068 FDCharDriver
*s
= chr
->opaque
;
1069 return unix_write(s
->fd_out
, buf
, len
);
1072 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1073 IOCanRWHandler
*fd_can_read
,
1074 IOReadHandler
*fd_read
, void *opaque
)
1076 FDCharDriver
*s
= chr
->opaque
;
1078 if (nographic
&& s
->fd_in
== 0) {
1079 s
->fd_can_read
= fd_can_read
;
1080 s
->fd_read
= fd_read
;
1081 s
->fd_opaque
= opaque
;
1083 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1087 /* open a character device to a unix fd */
1088 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1090 CharDriverState
*chr
;
1093 chr
= qemu_mallocz(sizeof(CharDriverState
));
1096 s
= qemu_mallocz(sizeof(FDCharDriver
));
1104 chr
->chr_write
= fd_chr_write
;
1105 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1109 /* for STDIO, we handle the case where several clients use it
1112 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1114 static int term_got_escape
, client_index
;
1116 void term_print_help(void)
1119 "C-a h print this help\n"
1120 "C-a x exit emulator\n"
1121 "C-a s save disk data back to file (if -snapshot)\n"
1122 "C-a b send break (magic sysrq)\n"
1123 "C-a c switch between console and monitor\n"
1124 "C-a C-a send C-a\n"
1128 /* called when a char is received */
1129 static void stdio_received_byte(int ch
)
1131 if (term_got_escape
) {
1132 term_got_escape
= 0;
1143 for (i
= 0; i
< MAX_DISKS
; i
++) {
1145 bdrv_commit(bs_table
[i
]);
1150 if (client_index
< stdio_nb_clients
) {
1151 CharDriverState
*chr
;
1154 chr
= stdio_clients
[client_index
];
1156 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1161 if (client_index
>= stdio_nb_clients
)
1163 if (client_index
== 0) {
1164 /* send a new line in the monitor to get the prompt */
1172 } else if (ch
== TERM_ESCAPE
) {
1173 term_got_escape
= 1;
1176 if (client_index
< stdio_nb_clients
) {
1178 CharDriverState
*chr
;
1181 chr
= stdio_clients
[client_index
];
1184 /* XXX: should queue the char if the device is not
1186 if (s
->fd_can_read(s
->fd_opaque
) > 0)
1187 s
->fd_read(s
->fd_opaque
, buf
, 1);
1192 static int stdio_can_read(void *opaque
)
1194 /* XXX: not strictly correct */
1198 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1201 for(i
= 0; i
< size
; i
++)
1202 stdio_received_byte(buf
[i
]);
1205 /* init terminal so that we can grab keys */
1206 static struct termios oldtty
;
1207 static int old_fd0_flags
;
1209 static void term_exit(void)
1211 tcsetattr (0, TCSANOW
, &oldtty
);
1212 fcntl(0, F_SETFL
, old_fd0_flags
);
1215 static void term_init(void)
1219 tcgetattr (0, &tty
);
1221 old_fd0_flags
= fcntl(0, F_GETFL
);
1223 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1224 |INLCR
|IGNCR
|ICRNL
|IXON
);
1225 tty
.c_oflag
|= OPOST
;
1226 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1227 /* if graphical mode, we allow Ctrl-C handling */
1229 tty
.c_lflag
&= ~ISIG
;
1230 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1233 tty
.c_cc
[VTIME
] = 0;
1235 tcsetattr (0, TCSANOW
, &tty
);
1239 fcntl(0, F_SETFL
, O_NONBLOCK
);
1242 CharDriverState
*qemu_chr_open_stdio(void)
1244 CharDriverState
*chr
;
1247 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1249 chr
= qemu_chr_open_fd(0, 1);
1250 if (stdio_nb_clients
== 0)
1251 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1252 client_index
= stdio_nb_clients
;
1254 if (stdio_nb_clients
!= 0)
1256 chr
= qemu_chr_open_fd(0, 1);
1258 stdio_clients
[stdio_nb_clients
++] = chr
;
1259 if (stdio_nb_clients
== 1) {
1260 /* set the terminal in raw mode */
1266 #if defined(__linux__)
1267 CharDriverState
*qemu_chr_open_pty(void)
1269 char slave_name
[1024];
1270 int master_fd
, slave_fd
;
1272 /* Not satisfying */
1273 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1276 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1277 return qemu_chr_open_fd(master_fd
, master_fd
);
1280 CharDriverState
*qemu_chr_open_pty(void)
1286 #endif /* !defined(_WIN32) */
1288 CharDriverState
*qemu_chr_open(const char *filename
)
1290 if (!strcmp(filename
, "vc")) {
1291 return text_console_init(&display_state
);
1292 } else if (!strcmp(filename
, "null")) {
1293 return qemu_chr_open_null();
1296 if (!strcmp(filename
, "pty")) {
1297 return qemu_chr_open_pty();
1298 } else if (!strcmp(filename
, "stdio")) {
1299 return qemu_chr_open_stdio();
1307 /***********************************************************/
1308 /* Linux network device redirectors */
1310 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1314 for(i
=0;i
<size
;i
+=16) {
1318 fprintf(f
, "%08x ", i
);
1321 fprintf(f
, " %02x", buf
[i
+j
]);
1326 for(j
=0;j
<len
;j
++) {
1328 if (c
< ' ' || c
> '~')
1330 fprintf(f
, "%c", c
);
1336 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1338 nd
->send_packet(nd
, buf
, size
);
1341 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1342 IOReadHandler
*fd_read
, void *opaque
)
1344 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1347 /* dummy network adapter */
1349 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1353 static void dummy_add_read_packet(NetDriverState
*nd
,
1354 IOCanRWHandler
*fd_can_read
,
1355 IOReadHandler
*fd_read
, void *opaque
)
1359 static int net_dummy_init(NetDriverState
*nd
)
1361 nd
->send_packet
= dummy_send_packet
;
1362 nd
->add_read_packet
= dummy_add_read_packet
;
1363 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1367 #if defined(CONFIG_SLIRP)
1369 /* slirp network adapter */
1371 static void *slirp_fd_opaque
;
1372 static IOCanRWHandler
*slirp_fd_can_read
;
1373 static IOReadHandler
*slirp_fd_read
;
1374 static int slirp_inited
;
1376 int slirp_can_output(void)
1378 return slirp_fd_can_read(slirp_fd_opaque
);
1381 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1384 printf("output:\n");
1385 hex_dump(stdout
, pkt
, pkt_len
);
1387 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1390 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1394 hex_dump(stdout
, buf
, size
);
1396 slirp_input(buf
, size
);
1399 static void slirp_add_read_packet(NetDriverState
*nd
,
1400 IOCanRWHandler
*fd_can_read
,
1401 IOReadHandler
*fd_read
, void *opaque
)
1403 slirp_fd_opaque
= opaque
;
1404 slirp_fd_can_read
= fd_can_read
;
1405 slirp_fd_read
= fd_read
;
1408 static int net_slirp_init(NetDriverState
*nd
)
1410 if (!slirp_inited
) {
1414 nd
->send_packet
= slirp_send_packet
;
1415 nd
->add_read_packet
= slirp_add_read_packet
;
1416 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1420 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
1425 p1
= strchr(p
, sep
);
1431 if (len
> buf_size
- 1)
1433 memcpy(buf
, p
, len
);
1440 static void net_slirp_redir(const char *redir_str
)
1445 struct in_addr guest_addr
;
1446 int host_port
, guest_port
;
1448 if (!slirp_inited
) {
1454 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1456 if (!strcmp(buf
, "tcp")) {
1458 } else if (!strcmp(buf
, "udp")) {
1464 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1466 host_port
= strtol(buf
, &r
, 0);
1470 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1472 if (buf
[0] == '\0') {
1473 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
1475 if (!inet_aton(buf
, &guest_addr
))
1478 guest_port
= strtol(p
, &r
, 0);
1482 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
1483 fprintf(stderr
, "qemu: could not set up redirection\n");
1488 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1496 static void smb_exit(void)
1500 char filename
[1024];
1502 /* erase all the files in the directory */
1503 d
= opendir(smb_dir
);
1508 if (strcmp(de
->d_name
, ".") != 0 &&
1509 strcmp(de
->d_name
, "..") != 0) {
1510 snprintf(filename
, sizeof(filename
), "%s/%s",
1511 smb_dir
, de
->d_name
);
1519 /* automatic user mode samba server configuration */
1520 void net_slirp_smb(const char *exported_dir
)
1522 char smb_conf
[1024];
1523 char smb_cmdline
[1024];
1526 if (!slirp_inited
) {
1531 /* XXX: better tmp dir construction */
1532 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
1533 if (mkdir(smb_dir
, 0700) < 0) {
1534 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1537 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1539 f
= fopen(smb_conf
, "w");
1541 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1548 "socket address=127.0.0.1\n"
1549 "pid directory=%s\n"
1550 "lock directory=%s\n"
1551 "log file=%s/log.smbd\n"
1552 "smb passwd file=%s/smbpasswd\n"
1553 "security = share\n"
1568 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "/usr/sbin/smbd -s %s",
1571 slirp_add_exec(0, smb_cmdline
, 4, 139);
1574 #endif /* !defined(_WIN32) */
1576 #endif /* CONFIG_SLIRP */
1578 #if !defined(_WIN32)
1580 static int tun_open(char *ifname
, int ifname_size
)
1586 fd
= open("/dev/tap", O_RDWR
);
1588 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1593 dev
= devname(s
.st_rdev
, S_IFCHR
);
1594 pstrcpy(ifname
, ifname_size
, dev
);
1596 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1600 static int tun_open(char *ifname
, int ifname_size
)
1605 fd
= open("/dev/net/tun", O_RDWR
);
1607 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1610 memset(&ifr
, 0, sizeof(ifr
));
1611 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1612 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1613 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1615 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1619 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1620 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1621 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1626 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1628 write(nd
->fd
, buf
, size
);
1631 static void tun_add_read_packet(NetDriverState
*nd
,
1632 IOCanRWHandler
*fd_can_read
,
1633 IOReadHandler
*fd_read
, void *opaque
)
1635 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1638 static int net_tun_init(NetDriverState
*nd
)
1644 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1648 /* try to launch network init script */
1653 *parg
++ = network_script
;
1654 *parg
++ = nd
->ifname
;
1656 execv(network_script
, args
);
1659 while (waitpid(pid
, &status
, 0) != pid
);
1660 if (!WIFEXITED(status
) ||
1661 WEXITSTATUS(status
) != 0) {
1662 fprintf(stderr
, "%s: could not launch network script\n",
1666 nd
->send_packet
= tun_send_packet
;
1667 nd
->add_read_packet
= tun_add_read_packet
;
1671 static int net_fd_init(NetDriverState
*nd
, int fd
)
1674 nd
->send_packet
= tun_send_packet
;
1675 nd
->add_read_packet
= tun_add_read_packet
;
1676 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1680 #endif /* !_WIN32 */
1682 /***********************************************************/
1685 static char *pid_filename
;
1687 /* Remove PID file. Called on normal exit */
1689 static void remove_pidfile(void)
1691 unlink (pid_filename
);
1694 static void create_pidfile(const char *filename
)
1696 struct stat pidstat
;
1699 /* Try to write our PID to the named file */
1700 if (stat(filename
, &pidstat
) < 0) {
1701 if (errno
== ENOENT
) {
1702 if ((f
= fopen (filename
, "w")) == NULL
) {
1703 perror("Opening pidfile");
1706 fprintf(f
, "%d\n", getpid());
1708 pid_filename
= qemu_strdup(filename
);
1709 if (!pid_filename
) {
1710 fprintf(stderr
, "Could not save PID filename");
1713 atexit(remove_pidfile
);
1716 fprintf(stderr
, "%s already exists. Remove it and try again.\n",
1722 /***********************************************************/
1725 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1729 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1733 static void dumb_refresh(DisplayState
*ds
)
1735 vga_update_display();
1738 void dumb_display_init(DisplayState
*ds
)
1743 ds
->dpy_update
= dumb_update
;
1744 ds
->dpy_resize
= dumb_resize
;
1745 ds
->dpy_refresh
= dumb_refresh
;
1748 #if !defined(CONFIG_SOFTMMU)
1749 /***********************************************************/
1750 /* cpu signal handler */
1751 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1754 if (cpu_signal_handler(host_signum
, info
, puc
))
1756 if (stdio_nb_clients
> 0)
1762 /***********************************************************/
1765 #define MAX_IO_HANDLERS 64
1767 typedef struct IOHandlerRecord
{
1769 IOCanRWHandler
*fd_can_read
;
1770 IOReadHandler
*fd_read
;
1772 /* temporary data */
1775 struct IOHandlerRecord
*next
;
1778 static IOHandlerRecord
*first_io_handler
;
1780 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1781 IOReadHandler
*fd_read
, void *opaque
)
1783 IOHandlerRecord
*ioh
;
1785 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1789 ioh
->fd_can_read
= fd_can_read
;
1790 ioh
->fd_read
= fd_read
;
1791 ioh
->opaque
= opaque
;
1792 ioh
->next
= first_io_handler
;
1793 first_io_handler
= ioh
;
1797 void qemu_del_fd_read_handler(int fd
)
1799 IOHandlerRecord
**pioh
, *ioh
;
1801 pioh
= &first_io_handler
;
1806 if (ioh
->fd
== fd
) {
1814 /***********************************************************/
1815 /* savevm/loadvm support */
1817 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1819 fwrite(buf
, 1, size
, f
);
1822 void qemu_put_byte(QEMUFile
*f
, int v
)
1827 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1829 qemu_put_byte(f
, v
>> 8);
1830 qemu_put_byte(f
, v
);
1833 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1835 qemu_put_byte(f
, v
>> 24);
1836 qemu_put_byte(f
, v
>> 16);
1837 qemu_put_byte(f
, v
>> 8);
1838 qemu_put_byte(f
, v
);
1841 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1843 qemu_put_be32(f
, v
>> 32);
1844 qemu_put_be32(f
, v
);
1847 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1849 return fread(buf
, 1, size
, f
);
1852 int qemu_get_byte(QEMUFile
*f
)
1862 unsigned int qemu_get_be16(QEMUFile
*f
)
1865 v
= qemu_get_byte(f
) << 8;
1866 v
|= qemu_get_byte(f
);
1870 unsigned int qemu_get_be32(QEMUFile
*f
)
1873 v
= qemu_get_byte(f
) << 24;
1874 v
|= qemu_get_byte(f
) << 16;
1875 v
|= qemu_get_byte(f
) << 8;
1876 v
|= qemu_get_byte(f
);
1880 uint64_t qemu_get_be64(QEMUFile
*f
)
1883 v
= (uint64_t)qemu_get_be32(f
) << 32;
1884 v
|= qemu_get_be32(f
);
1888 int64_t qemu_ftell(QEMUFile
*f
)
1893 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1895 if (fseek(f
, pos
, whence
) < 0)
1900 typedef struct SaveStateEntry
{
1904 SaveStateHandler
*save_state
;
1905 LoadStateHandler
*load_state
;
1907 struct SaveStateEntry
*next
;
1910 static SaveStateEntry
*first_se
;
1912 int register_savevm(const char *idstr
,
1915 SaveStateHandler
*save_state
,
1916 LoadStateHandler
*load_state
,
1919 SaveStateEntry
*se
, **pse
;
1921 se
= qemu_malloc(sizeof(SaveStateEntry
));
1924 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1925 se
->instance_id
= instance_id
;
1926 se
->version_id
= version_id
;
1927 se
->save_state
= save_state
;
1928 se
->load_state
= load_state
;
1929 se
->opaque
= opaque
;
1932 /* add at the end of list */
1934 while (*pse
!= NULL
)
1935 pse
= &(*pse
)->next
;
1940 #define QEMU_VM_FILE_MAGIC 0x5145564d
1941 #define QEMU_VM_FILE_VERSION 0x00000001
1943 int qemu_savevm(const char *filename
)
1947 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1949 saved_vm_running
= vm_running
;
1952 f
= fopen(filename
, "wb");
1958 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1959 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1961 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1963 len
= strlen(se
->idstr
);
1964 qemu_put_byte(f
, len
);
1965 qemu_put_buffer(f
, se
->idstr
, len
);
1967 qemu_put_be32(f
, se
->instance_id
);
1968 qemu_put_be32(f
, se
->version_id
);
1970 /* record size: filled later */
1972 qemu_put_be32(f
, 0);
1974 se
->save_state(f
, se
->opaque
);
1976 /* fill record size */
1978 len
= ftell(f
) - len_pos
- 4;
1979 fseek(f
, len_pos
, SEEK_SET
);
1980 qemu_put_be32(f
, len
);
1981 fseek(f
, cur_pos
, SEEK_SET
);
1987 if (saved_vm_running
)
1992 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1996 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1997 if (!strcmp(se
->idstr
, idstr
) &&
1998 instance_id
== se
->instance_id
)
2004 int qemu_loadvm(const char *filename
)
2008 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
2009 int saved_vm_running
;
2013 saved_vm_running
= vm_running
;
2016 f
= fopen(filename
, "rb");
2022 v
= qemu_get_be32(f
);
2023 if (v
!= QEMU_VM_FILE_MAGIC
)
2025 v
= qemu_get_be32(f
);
2026 if (v
!= QEMU_VM_FILE_VERSION
) {
2033 #if defined (DO_TB_FLUSH)
2034 tb_flush(global_env
);
2036 len
= qemu_get_byte(f
);
2039 qemu_get_buffer(f
, idstr
, len
);
2041 instance_id
= qemu_get_be32(f
);
2042 version_id
= qemu_get_be32(f
);
2043 record_len
= qemu_get_be32(f
);
2045 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2046 idstr
, instance_id
, version_id
, record_len
);
2049 se
= find_se(idstr
, instance_id
);
2051 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2052 instance_id
, idstr
);
2054 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2056 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2057 instance_id
, idstr
);
2060 /* always seek to exact end of record */
2061 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2066 if (saved_vm_running
)
2071 /***********************************************************/
2072 /* cpu save/restore */
2074 #if defined(TARGET_I386)
2076 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2078 qemu_put_be32(f
, dt
->selector
);
2079 qemu_put_betl(f
, dt
->base
);
2080 qemu_put_be32(f
, dt
->limit
);
2081 qemu_put_be32(f
, dt
->flags
);
2084 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2086 dt
->selector
= qemu_get_be32(f
);
2087 dt
->base
= qemu_get_betl(f
);
2088 dt
->limit
= qemu_get_be32(f
);
2089 dt
->flags
= qemu_get_be32(f
);
2092 void cpu_save(QEMUFile
*f
, void *opaque
)
2094 CPUState
*env
= opaque
;
2095 uint16_t fptag
, fpus
, fpuc
, fpregs_format
;
2099 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2100 qemu_put_betls(f
, &env
->regs
[i
]);
2101 qemu_put_betls(f
, &env
->eip
);
2102 qemu_put_betls(f
, &env
->eflags
);
2103 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2104 qemu_put_be32s(f
, &hflags
);
2108 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2110 for(i
= 0; i
< 8; i
++) {
2111 fptag
|= ((!env
->fptags
[i
]) << i
);
2114 qemu_put_be16s(f
, &fpuc
);
2115 qemu_put_be16s(f
, &fpus
);
2116 qemu_put_be16s(f
, &fptag
);
2118 #ifdef USE_X86LDOUBLE
2123 qemu_put_be16s(f
, &fpregs_format
);
2125 for(i
= 0; i
< 8; i
++) {
2126 #ifdef USE_X86LDOUBLE
2130 /* we save the real CPU data (in case of MMX usage only 'mant'
2131 contains the MMX register */
2132 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
].d
);
2133 qemu_put_be64(f
, mant
);
2134 qemu_put_be16(f
, exp
);
2137 /* if we use doubles for float emulation, we save the doubles to
2138 avoid losing information in case of MMX usage. It can give
2139 problems if the image is restored on a CPU where long
2140 doubles are used instead. */
2141 qemu_put_be64(f
, env
->fpregs
[i
].mmx
.MMX_Q(0));
2145 for(i
= 0; i
< 6; i
++)
2146 cpu_put_seg(f
, &env
->segs
[i
]);
2147 cpu_put_seg(f
, &env
->ldt
);
2148 cpu_put_seg(f
, &env
->tr
);
2149 cpu_put_seg(f
, &env
->gdt
);
2150 cpu_put_seg(f
, &env
->idt
);
2152 qemu_put_be32s(f
, &env
->sysenter_cs
);
2153 qemu_put_be32s(f
, &env
->sysenter_esp
);
2154 qemu_put_be32s(f
, &env
->sysenter_eip
);
2156 qemu_put_betls(f
, &env
->cr
[0]);
2157 qemu_put_betls(f
, &env
->cr
[2]);
2158 qemu_put_betls(f
, &env
->cr
[3]);
2159 qemu_put_betls(f
, &env
->cr
[4]);
2161 for(i
= 0; i
< 8; i
++)
2162 qemu_put_betls(f
, &env
->dr
[i
]);
2165 qemu_put_be32s(f
, &env
->a20_mask
);
2168 qemu_put_be32s(f
, &env
->mxcsr
);
2169 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2170 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2171 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2174 #ifdef TARGET_X86_64
2175 qemu_put_be64s(f
, &env
->efer
);
2176 qemu_put_be64s(f
, &env
->star
);
2177 qemu_put_be64s(f
, &env
->lstar
);
2178 qemu_put_be64s(f
, &env
->cstar
);
2179 qemu_put_be64s(f
, &env
->fmask
);
2180 qemu_put_be64s(f
, &env
->kernelgsbase
);
2184 #ifdef USE_X86LDOUBLE
2185 /* XXX: add that in a FPU generic layer */
2186 union x86_longdouble
{
2191 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
2192 #define EXPBIAS1 1023
2193 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
2194 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
2196 static void fp64_to_fp80(union x86_longdouble
*p
, uint64_t temp
)
2200 p
->mant
= (MANTD1(temp
) << 11) | (1LL << 63);
2201 /* exponent + sign */
2202 e
= EXPD1(temp
) - EXPBIAS1
+ 16383;
2203 e
|= SIGND1(temp
) >> 16;
2208 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2210 CPUState
*env
= opaque
;
2213 uint16_t fpus
, fpuc
, fptag
, fpregs_format
;
2215 if (version_id
!= 3)
2217 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2218 qemu_get_betls(f
, &env
->regs
[i
]);
2219 qemu_get_betls(f
, &env
->eip
);
2220 qemu_get_betls(f
, &env
->eflags
);
2221 qemu_get_be32s(f
, &hflags
);
2223 qemu_get_be16s(f
, &fpuc
);
2224 qemu_get_be16s(f
, &fpus
);
2225 qemu_get_be16s(f
, &fptag
);
2226 qemu_get_be16s(f
, &fpregs_format
);
2228 /* NOTE: we cannot always restore the FPU state if the image come
2229 from a host with a different 'USE_X86LDOUBLE' define. We guess
2230 if we are in an MMX state to restore correctly in that case. */
2231 guess_mmx
= ((fptag
== 0xff) && (fpus
& 0x3800) == 0);
2232 for(i
= 0; i
< 8; i
++) {
2236 switch(fpregs_format
) {
2238 mant
= qemu_get_be64(f
);
2239 exp
= qemu_get_be16(f
);
2240 #ifdef USE_X86LDOUBLE
2241 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2243 /* difficult case */
2245 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
2247 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2251 mant
= qemu_get_be64(f
);
2252 #ifdef USE_X86LDOUBLE
2254 union x86_longdouble
*p
;
2255 /* difficult case */
2256 p
= (void *)&env
->fpregs
[i
];
2261 fp64_to_fp80(p
, mant
);
2265 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
2274 env
->fpstt
= (fpus
>> 11) & 7;
2275 env
->fpus
= fpus
& ~0x3800;
2277 for(i
= 0; i
< 8; i
++) {
2278 env
->fptags
[i
] = (fptag
>> i
) & 1;
2281 for(i
= 0; i
< 6; i
++)
2282 cpu_get_seg(f
, &env
->segs
[i
]);
2283 cpu_get_seg(f
, &env
->ldt
);
2284 cpu_get_seg(f
, &env
->tr
);
2285 cpu_get_seg(f
, &env
->gdt
);
2286 cpu_get_seg(f
, &env
->idt
);
2288 qemu_get_be32s(f
, &env
->sysenter_cs
);
2289 qemu_get_be32s(f
, &env
->sysenter_esp
);
2290 qemu_get_be32s(f
, &env
->sysenter_eip
);
2292 qemu_get_betls(f
, &env
->cr
[0]);
2293 qemu_get_betls(f
, &env
->cr
[2]);
2294 qemu_get_betls(f
, &env
->cr
[3]);
2295 qemu_get_betls(f
, &env
->cr
[4]);
2297 for(i
= 0; i
< 8; i
++)
2298 qemu_get_betls(f
, &env
->dr
[i
]);
2301 qemu_get_be32s(f
, &env
->a20_mask
);
2303 qemu_get_be32s(f
, &env
->mxcsr
);
2304 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2305 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2306 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2309 #ifdef TARGET_X86_64
2310 qemu_get_be64s(f
, &env
->efer
);
2311 qemu_get_be64s(f
, &env
->star
);
2312 qemu_get_be64s(f
, &env
->lstar
);
2313 qemu_get_be64s(f
, &env
->cstar
);
2314 qemu_get_be64s(f
, &env
->fmask
);
2315 qemu_get_be64s(f
, &env
->kernelgsbase
);
2318 /* XXX: compute hflags from scratch, except for CPL and IIF */
2319 env
->hflags
= hflags
;
2324 #elif defined(TARGET_PPC)
2325 void cpu_save(QEMUFile
*f
, void *opaque
)
2329 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2333 #elif defined(TARGET_SPARC)
2334 void cpu_save(QEMUFile
*f
, void *opaque
)
2336 CPUState
*env
= opaque
;
2340 for(i
= 0; i
< 8; i
++)
2341 qemu_put_betls(f
, &env
->gregs
[i
]);
2342 for(i
= 0; i
< NWINDOWS
* 16; i
++)
2343 qemu_put_betls(f
, &env
->regbase
[i
]);
2346 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
2352 qemu_put_betl(f
, u
.i
);
2355 qemu_put_betls(f
, &env
->pc
);
2356 qemu_put_betls(f
, &env
->npc
);
2357 qemu_put_betls(f
, &env
->y
);
2359 qemu_put_be32(f
, tmp
);
2360 qemu_put_be32s(f
, &env
->fsr
);
2361 qemu_put_be32s(f
, &env
->wim
);
2362 qemu_put_be32s(f
, &env
->tbr
);
2364 for(i
= 0; i
< 16; i
++)
2365 qemu_put_be32s(f
, &env
->mmuregs
[i
]);
2368 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2370 CPUState
*env
= opaque
;
2374 for(i
= 0; i
< 8; i
++)
2375 qemu_get_betls(f
, &env
->gregs
[i
]);
2376 for(i
= 0; i
< NWINDOWS
* 16; i
++)
2377 qemu_get_betls(f
, &env
->regbase
[i
]);
2380 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
2385 u
.i
= qemu_get_betl(f
);
2389 qemu_get_betls(f
, &env
->pc
);
2390 qemu_get_betls(f
, &env
->npc
);
2391 qemu_get_betls(f
, &env
->y
);
2392 tmp
= qemu_get_be32(f
);
2393 env
->cwp
= 0; /* needed to ensure that the wrapping registers are
2394 correctly updated */
2396 qemu_get_be32s(f
, &env
->fsr
);
2397 qemu_get_be32s(f
, &env
->wim
);
2398 qemu_get_be32s(f
, &env
->tbr
);
2400 for(i
= 0; i
< 16; i
++)
2401 qemu_get_be32s(f
, &env
->mmuregs
[i
]);
2408 #warning No CPU save/restore functions
2412 /***********************************************************/
2413 /* ram save/restore */
2415 /* we just avoid storing empty pages */
2416 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2421 for(i
= 1; i
< len
; i
++) {
2425 qemu_put_byte(f
, 1);
2426 qemu_put_byte(f
, v
);
2429 qemu_put_byte(f
, 0);
2430 qemu_put_buffer(f
, buf
, len
);
2433 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2437 v
= qemu_get_byte(f
);
2440 if (qemu_get_buffer(f
, buf
, len
) != len
)
2444 v
= qemu_get_byte(f
);
2445 memset(buf
, v
, len
);
2453 static void ram_save(QEMUFile
*f
, void *opaque
)
2456 qemu_put_be32(f
, phys_ram_size
);
2457 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2458 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2462 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2466 if (version_id
!= 1)
2468 if (qemu_get_be32(f
) != phys_ram_size
)
2470 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2471 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2478 /***********************************************************/
2479 /* main execution loop */
2481 void gui_update(void *opaque
)
2483 display_state
.dpy_refresh(&display_state
);
2484 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2487 /* XXX: support several handlers */
2488 VMStopHandler
*vm_stop_cb
;
2489 VMStopHandler
*vm_stop_opaque
;
2491 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2494 vm_stop_opaque
= opaque
;
2498 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2511 void vm_stop(int reason
)
2514 cpu_disable_ticks();
2518 vm_stop_cb(vm_stop_opaque
, reason
);
2524 /* reset/shutdown handler */
2526 typedef struct QEMUResetEntry
{
2527 QEMUResetHandler
*func
;
2529 struct QEMUResetEntry
*next
;
2532 static QEMUResetEntry
*first_reset_entry
;
2533 static int reset_requested
;
2534 static int shutdown_requested
;
2536 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2538 QEMUResetEntry
**pre
, *re
;
2540 pre
= &first_reset_entry
;
2541 while (*pre
!= NULL
)
2542 pre
= &(*pre
)->next
;
2543 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2545 re
->opaque
= opaque
;
2550 void qemu_system_reset(void)
2554 /* reset all devices */
2555 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2556 re
->func(re
->opaque
);
2560 void qemu_system_reset_request(void)
2562 reset_requested
= 1;
2563 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2566 void qemu_system_shutdown_request(void)
2568 shutdown_requested
= 1;
2569 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2572 static void main_cpu_reset(void *opaque
)
2574 #if defined(TARGET_I386) || defined(TARGET_SPARC)
2575 CPUState
*env
= opaque
;
2580 void main_loop_wait(int timeout
)
2583 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2584 IOHandlerRecord
*ioh
, *ioh_next
;
2594 /* poll any events */
2595 /* XXX: separate device handlers from system ones */
2597 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2598 if (!ioh
->fd_can_read
) {
2601 pf
->events
= POLLIN
;
2605 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2607 if (max_size
> sizeof(buf
))
2608 max_size
= sizeof(buf
);
2610 pf
->events
= POLLIN
;
2617 ioh
->max_size
= max_size
;
2620 ret
= poll(ufds
, pf
- ufds
, timeout
);
2622 /* XXX: better handling of removal */
2623 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2624 ioh_next
= ioh
->next
;
2627 if (pf
->revents
& POLLIN
) {
2628 if (ioh
->max_size
== 0) {
2629 /* just a read event */
2630 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2632 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2634 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2635 } else if (errno
!= EAGAIN
) {
2636 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2643 #endif /* !defined(_WIN32) */
2644 #if defined(CONFIG_SLIRP)
2645 /* XXX: merge with poll() */
2647 fd_set rfds
, wfds
, xfds
;
2655 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2658 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2660 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2666 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2667 qemu_get_clock(vm_clock
));
2668 /* run dma transfers, if any */
2672 /* real time timers */
2673 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2674 qemu_get_clock(rt_clock
));
2680 CPUState
*env
= global_env
;
2684 ret
= cpu_exec(env
);
2685 if (shutdown_requested
) {
2686 ret
= EXCP_INTERRUPT
;
2689 if (reset_requested
) {
2690 reset_requested
= 0;
2691 qemu_system_reset();
2692 ret
= EXCP_INTERRUPT
;
2694 if (ret
== EXCP_DEBUG
) {
2695 vm_stop(EXCP_DEBUG
);
2697 /* if hlt instruction, we wait until the next IRQ */
2698 /* XXX: use timeout computed from timers */
2699 if (ret
== EXCP_HLT
)
2706 main_loop_wait(timeout
);
2708 cpu_disable_ticks();
2714 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2715 "usage: %s [options] [disk_image]\n"
2717 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2719 "Standard options:\n"
2720 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2721 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2722 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2723 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2724 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2725 "-snapshot write to temporary files instead of disk image files\n"
2726 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2727 "-nographic disable graphical output and redirect serial I/Os to console\n"
2729 "-k language use keyboard layout (for example \"fr\" for French)\n"
2731 "-enable-audio enable audio support\n"
2732 "-localtime set the real time clock to local time [default=utc]\n"
2733 "-full-screen start in full screen\n"
2735 "-prep Simulate a PREP system (default is PowerMAC)\n"
2737 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
2738 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
2741 "Network options:\n"
2742 "-nics n simulate 'n' network cards [default=1]\n"
2743 "-macaddr addr set the mac address of the first interface\n"
2744 "-n script set tap/tun network init script [default=%s]\n"
2745 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2747 "-user-net use user mode network stack [default if no tap/tun script]\n"
2748 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2750 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2752 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2753 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2755 "-dummy-net use dummy network stack\n"
2757 "Linux boot specific:\n"
2758 "-kernel bzImage use 'bzImage' as kernel image\n"
2759 "-append cmdline use 'cmdline' as kernel command line\n"
2760 "-initrd file use 'file' as initial ram disk\n"
2762 "Debug/Expert options:\n"
2763 "-monitor dev redirect the monitor to char device 'dev'\n"
2764 "-serial dev redirect the serial port to char device 'dev'\n"
2765 "-parallel dev redirect the parallel port to char device 'dev'\n"
2766 "-pidfile file Write PID to 'file'\n"
2767 "-S freeze CPU at startup (use 'c' to start execution)\n"
2768 "-s wait gdb connection to port %d\n"
2769 "-p port change gdb connection port\n"
2770 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2771 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2772 " translation (t=none or lba) (usually qemu can guess them)\n"
2773 "-L path set the directory for the BIOS and VGA BIOS\n"
2775 "-no-kqemu disable KQEMU kernel module usage\n"
2777 #ifdef USE_CODE_COPY
2778 "-no-code-copy disable code copy acceleration\n"
2781 "-isa simulate an ISA-only system (default is PCI system)\n"
2782 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2783 " (default is CL-GD5446 PCI VGA)\n"
2785 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2787 "During emulation, the following keys are useful:\n"
2788 "ctrl-alt-f toggle full screen\n"
2789 "ctrl-alt-n switch to virtual console 'n'\n"
2790 "ctrl-alt toggle mouse and keyboard grab\n"
2792 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2794 #ifdef CONFIG_SOFTMMU
2800 DEFAULT_NETWORK_SCRIPT
,
2801 DEFAULT_GDBSTUB_PORT
,
2803 #ifndef CONFIG_SOFTMMU
2805 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2806 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2812 #define HAS_ARG 0x0001
2825 QEMU_OPTION_snapshot
,
2827 QEMU_OPTION_nographic
,
2828 QEMU_OPTION_enable_audio
,
2831 QEMU_OPTION_macaddr
,
2834 QEMU_OPTION_user_net
,
2838 QEMU_OPTION_dummy_net
,
2850 QEMU_OPTION_no_code_copy
,
2855 QEMU_OPTION_localtime
,
2856 QEMU_OPTION_cirrusvga
,
2858 QEMU_OPTION_std_vga
,
2859 QEMU_OPTION_monitor
,
2861 QEMU_OPTION_parallel
,
2863 QEMU_OPTION_full_screen
,
2864 QEMU_OPTION_pidfile
,
2865 QEMU_OPTION_no_kqemu
,
2868 typedef struct QEMUOption
{
2874 const QEMUOption qemu_options
[] = {
2875 { "h", 0, QEMU_OPTION_h
},
2877 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2878 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2879 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2880 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2881 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2882 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2883 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2884 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2885 { "snapshot", 0, QEMU_OPTION_snapshot
},
2886 { "m", HAS_ARG
, QEMU_OPTION_m
},
2887 { "nographic", 0, QEMU_OPTION_nographic
},
2888 { "k", HAS_ARG
, QEMU_OPTION_k
},
2889 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2891 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2892 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2893 { "n", HAS_ARG
, QEMU_OPTION_n
},
2894 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2896 { "user-net", 0, QEMU_OPTION_user_net
},
2897 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
2899 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
2901 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
2903 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2905 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2906 { "append", HAS_ARG
, QEMU_OPTION_append
},
2907 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2909 { "S", 0, QEMU_OPTION_S
},
2910 { "s", 0, QEMU_OPTION_s
},
2911 { "p", HAS_ARG
, QEMU_OPTION_p
},
2912 { "d", HAS_ARG
, QEMU_OPTION_d
},
2913 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2914 { "L", HAS_ARG
, QEMU_OPTION_L
},
2915 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2917 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
2920 { "prep", 0, QEMU_OPTION_prep
},
2922 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
2923 { "g", 1, QEMU_OPTION_g
},
2925 { "localtime", 0, QEMU_OPTION_localtime
},
2926 { "isa", 0, QEMU_OPTION_isa
},
2927 { "std-vga", 0, QEMU_OPTION_std_vga
},
2928 { "monitor", 1, QEMU_OPTION_monitor
},
2929 { "serial", 1, QEMU_OPTION_serial
},
2930 { "parallel", 1, QEMU_OPTION_parallel
},
2931 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
2932 { "full-screen", 0, QEMU_OPTION_full_screen
},
2933 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
2935 /* temporary options */
2936 { "pci", 0, QEMU_OPTION_pci
},
2937 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2941 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2943 /* this stack is only used during signal handling */
2944 #define SIGNAL_STACK_SIZE 32768
2946 static uint8_t *signal_stack
;
2950 /* password input */
2952 static BlockDriverState
*get_bdrv(int index
)
2954 BlockDriverState
*bs
;
2957 bs
= bs_table
[index
];
2958 } else if (index
< 6) {
2959 bs
= fd_table
[index
- 4];
2966 static void read_passwords(void)
2968 BlockDriverState
*bs
;
2972 for(i
= 0; i
< 6; i
++) {
2974 if (bs
&& bdrv_is_encrypted(bs
)) {
2975 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2976 for(j
= 0; j
< 3; j
++) {
2977 monitor_readline("Password: ",
2978 1, password
, sizeof(password
));
2979 if (bdrv_set_key(bs
, password
) == 0)
2981 term_printf("invalid password\n");
2987 #define NET_IF_TUN 0
2988 #define NET_IF_USER 1
2989 #define NET_IF_DUMMY 2
2991 int main(int argc
, char **argv
)
2993 #ifdef CONFIG_GDBSTUB
2994 int use_gdbstub
, gdbstub_port
;
2997 int snapshot
, linux_boot
;
2999 const char *initrd_filename
;
3000 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
3001 const char *kernel_filename
, *kernel_cmdline
;
3002 DisplayState
*ds
= &display_state
;
3003 int cyls
, heads
, secs
, translation
;
3004 int start_emulation
= 1;
3006 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
3008 const char *r
, *optarg
;
3009 CharDriverState
*monitor_hd
;
3010 char monitor_device
[128];
3011 char serial_devices
[MAX_SERIAL_PORTS
][128];
3012 int serial_device_index
;
3013 char parallel_devices
[MAX_PARALLEL_PORTS
][128];
3014 int parallel_device_index
;
3015 const char *loadvm
= NULL
;
3017 #if !defined(CONFIG_SOFTMMU)
3018 /* we never want that malloc() uses mmap() */
3019 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
3021 initrd_filename
= NULL
;
3022 for(i
= 0; i
< MAX_FD
; i
++)
3023 fd_filename
[i
] = NULL
;
3024 for(i
= 0; i
< MAX_DISKS
; i
++)
3025 hd_filename
[i
] = NULL
;
3026 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3027 vga_ram_size
= VGA_RAM_SIZE
;
3028 bios_size
= BIOS_SIZE
;
3029 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
3030 #ifdef CONFIG_GDBSTUB
3032 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
3036 kernel_filename
= NULL
;
3037 kernel_cmdline
= "";
3039 cyls
= heads
= secs
= 0;
3040 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3041 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
3043 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
3044 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
3045 serial_devices
[i
][0] = '\0';
3046 serial_device_index
= 0;
3048 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "vc");
3049 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
3050 parallel_devices
[i
][0] = '\0';
3051 parallel_device_index
= 0;
3056 /* default mac address of the first network interface */
3070 hd_filename
[0] = argv
[optind
++];
3072 const QEMUOption
*popt
;
3075 popt
= qemu_options
;
3078 fprintf(stderr
, "%s: invalid option -- '%s'\n",
3082 if (!strcmp(popt
->name
, r
+ 1))
3086 if (popt
->flags
& HAS_ARG
) {
3087 if (optind
>= argc
) {
3088 fprintf(stderr
, "%s: option '%s' requires an argument\n",
3092 optarg
= argv
[optind
++];
3097 switch(popt
->index
) {
3098 case QEMU_OPTION_initrd
:
3099 initrd_filename
= optarg
;
3101 case QEMU_OPTION_hda
:
3102 hd_filename
[0] = optarg
;
3104 case QEMU_OPTION_hdb
:
3105 hd_filename
[1] = optarg
;
3107 case QEMU_OPTION_snapshot
:
3110 case QEMU_OPTION_hdachs
:
3114 cyls
= strtol(p
, (char **)&p
, 0);
3115 if (cyls
< 1 || cyls
> 16383)
3120 heads
= strtol(p
, (char **)&p
, 0);
3121 if (heads
< 1 || heads
> 16)
3126 secs
= strtol(p
, (char **)&p
, 0);
3127 if (secs
< 1 || secs
> 63)
3131 if (!strcmp(p
, "none"))
3132 translation
= BIOS_ATA_TRANSLATION_NONE
;
3133 else if (!strcmp(p
, "lba"))
3134 translation
= BIOS_ATA_TRANSLATION_LBA
;
3135 else if (!strcmp(p
, "auto"))
3136 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3139 } else if (*p
!= '\0') {
3141 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3146 case QEMU_OPTION_nographic
:
3147 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
3148 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
3151 case QEMU_OPTION_kernel
:
3152 kernel_filename
= optarg
;
3154 case QEMU_OPTION_append
:
3155 kernel_cmdline
= optarg
;
3157 case QEMU_OPTION_tun_fd
:
3161 net_if_type
= NET_IF_TUN
;
3162 if (nb_tun_fds
< MAX_NICS
) {
3163 fd
= strtol(optarg
, (char **)&p
, 0);
3165 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
3168 tun_fds
[nb_tun_fds
++] = fd
;
3172 case QEMU_OPTION_hdc
:
3173 hd_filename
[2] = optarg
;
3176 case QEMU_OPTION_hdd
:
3177 hd_filename
[3] = optarg
;
3179 case QEMU_OPTION_cdrom
:
3180 hd_filename
[2] = optarg
;
3183 case QEMU_OPTION_boot
:
3184 boot_device
= optarg
[0];
3185 if (boot_device
!= 'a' &&
3188 boot_device
!= 'n' &&
3190 boot_device
!= 'c' && boot_device
!= 'd') {
3191 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
3195 case QEMU_OPTION_fda
:
3196 fd_filename
[0] = optarg
;
3198 case QEMU_OPTION_fdb
:
3199 fd_filename
[1] = optarg
;
3201 case QEMU_OPTION_no_code_copy
:
3202 code_copy_enabled
= 0;
3204 case QEMU_OPTION_nics
:
3205 nb_nics
= atoi(optarg
);
3206 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
3207 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
3211 case QEMU_OPTION_macaddr
:
3216 for(i
= 0; i
< 6; i
++) {
3217 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3224 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
3233 case QEMU_OPTION_tftp
:
3234 tftp_prefix
= optarg
;
3237 case QEMU_OPTION_smb
:
3238 net_slirp_smb(optarg
);
3241 case QEMU_OPTION_user_net
:
3242 net_if_type
= NET_IF_USER
;
3244 case QEMU_OPTION_redir
:
3245 net_slirp_redir(optarg
);
3248 case QEMU_OPTION_dummy_net
:
3249 net_if_type
= NET_IF_DUMMY
;
3251 case QEMU_OPTION_enable_audio
:
3258 ram_size
= atoi(optarg
) * 1024 * 1024;
3261 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
3262 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
3263 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
3272 mask
= cpu_str_to_log_mask(optarg
);
3274 printf("Log items (comma separated):\n");
3275 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3276 printf("%-10s %s\n", item
->name
, item
->help
);
3284 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3286 #ifdef CONFIG_GDBSTUB
3291 gdbstub_port
= atoi(optarg
);
3298 start_emulation
= 0;
3300 case QEMU_OPTION_pci
:
3303 case QEMU_OPTION_isa
:
3306 case QEMU_OPTION_prep
:
3310 keyboard_layout
= optarg
;
3312 case QEMU_OPTION_localtime
:
3315 case QEMU_OPTION_cirrusvga
:
3316 cirrus_vga_enabled
= 1;
3318 case QEMU_OPTION_std_vga
:
3319 cirrus_vga_enabled
= 0;
3326 w
= strtol(p
, (char **)&p
, 10);
3329 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3335 h
= strtol(p
, (char **)&p
, 10);
3340 depth
= strtol(p
, (char **)&p
, 10);
3341 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3342 depth
!= 24 && depth
!= 32)
3344 } else if (*p
== '\0') {
3345 depth
= graphic_depth
;
3352 graphic_depth
= depth
;
3355 case QEMU_OPTION_monitor
:
3356 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3358 case QEMU_OPTION_serial
:
3359 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3360 fprintf(stderr
, "qemu: too many serial ports\n");
3363 pstrcpy(serial_devices
[serial_device_index
],
3364 sizeof(serial_devices
[0]), optarg
);
3365 serial_device_index
++;
3367 case QEMU_OPTION_parallel
:
3368 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
3369 fprintf(stderr
, "qemu: too many parallel ports\n");
3372 pstrcpy(parallel_devices
[parallel_device_index
],
3373 sizeof(parallel_devices
[0]), optarg
);
3374 parallel_device_index
++;
3376 case QEMU_OPTION_loadvm
:
3379 case QEMU_OPTION_full_screen
:
3382 case QEMU_OPTION_pidfile
:
3383 create_pidfile(optarg
);
3386 case QEMU_OPTION_no_kqemu
:
3394 linux_boot
= (kernel_filename
!= NULL
);
3396 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
3397 fd_filename
[0] == '\0')
3400 /* boot to cd by default if no hard disk */
3401 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3402 if (fd_filename
[0] != '\0')
3408 #if !defined(CONFIG_SOFTMMU)
3409 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3411 static uint8_t stdout_buf
[4096];
3412 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3415 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3418 /* init host network redirectors */
3419 if (net_if_type
== -1) {
3420 net_if_type
= NET_IF_TUN
;
3421 #if defined(CONFIG_SLIRP)
3422 if (access(network_script
, R_OK
) < 0) {
3423 net_if_type
= NET_IF_USER
;
3428 for(i
= 0; i
< nb_nics
; i
++) {
3429 NetDriverState
*nd
= &nd_table
[i
];
3431 /* init virtual mac address */
3432 nd
->macaddr
[0] = macaddr
[0];
3433 nd
->macaddr
[1] = macaddr
[1];
3434 nd
->macaddr
[2] = macaddr
[2];
3435 nd
->macaddr
[3] = macaddr
[3];
3436 nd
->macaddr
[4] = macaddr
[4];
3437 nd
->macaddr
[5] = macaddr
[5] + i
;
3438 switch(net_if_type
) {
3439 #if defined(CONFIG_SLIRP)
3444 #if !defined(_WIN32)
3446 if (i
< nb_tun_fds
) {
3447 net_fd_init(nd
, tun_fds
[i
]);
3449 if (net_tun_init(nd
) < 0)
3461 /* init the memory */
3462 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3464 #ifdef CONFIG_SOFTMMU
3465 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
3466 if (!phys_ram_base
) {
3467 fprintf(stderr
, "Could not allocate physical memory\n");
3471 /* as we must map the same page at several addresses, we must use
3476 tmpdir
= getenv("QEMU_TMPDIR");
3479 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3480 if (mkstemp(phys_ram_file
) < 0) {
3481 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3485 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3486 if (phys_ram_fd
< 0) {
3487 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3491 ftruncate(phys_ram_fd
, phys_ram_size
);
3492 unlink(phys_ram_file
);
3493 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3495 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3497 if (phys_ram_base
== MAP_FAILED
) {
3498 fprintf(stderr
, "Could not map physical memory\n");
3504 /* we always create the cdrom drive, even if no disk is there */
3507 bs_table
[2] = bdrv_new("cdrom");
3508 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
3511 /* open the virtual block devices */
3512 for(i
= 0; i
< MAX_DISKS
; i
++) {
3513 if (hd_filename
[i
]) {
3516 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3517 bs_table
[i
] = bdrv_new(buf
);
3519 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3520 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3524 if (i
== 0 && cyls
!= 0) {
3525 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3526 bdrv_set_translation_hint(bs_table
[i
], translation
);
3531 /* we always create at least one floppy disk */
3532 fd_table
[0] = bdrv_new("fda");
3533 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3535 for(i
= 0; i
< MAX_FD
; i
++) {
3536 if (fd_filename
[i
]) {
3539 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3540 fd_table
[i
] = bdrv_new(buf
);
3541 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3543 if (fd_filename
[i
] != '\0') {
3544 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3545 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3553 /* init CPU state */
3556 cpu_single_env
= env
;
3558 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3559 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
3560 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3561 qemu_register_reset(main_cpu_reset
, global_env
);
3564 cpu_calibrate_ticks();
3568 dumb_display_init(ds
);
3570 #if defined(CONFIG_SDL)
3571 sdl_display_init(ds
, full_screen
);
3572 #elif defined(CONFIG_COCOA)
3573 cocoa_display_init(ds
, full_screen
);
3575 dumb_display_init(ds
);
3579 vga_console
= graphic_console_init(ds
);
3581 monitor_hd
= qemu_chr_open(monitor_device
);
3583 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3586 monitor_init(monitor_hd
, !nographic
);
3588 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3589 if (serial_devices
[i
][0] != '\0') {
3590 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3591 if (!serial_hds
[i
]) {
3592 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3596 if (!strcmp(serial_devices
[i
], "vc"))
3597 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3601 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
3602 if (parallel_devices
[i
][0] != '\0') {
3603 parallel_hds
[i
] = qemu_chr_open(parallel_devices
[i
]);
3604 if (!parallel_hds
[i
]) {
3605 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
3606 parallel_devices
[i
]);
3609 if (!strcmp(parallel_devices
[i
], "vc"))
3610 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\n", i
);
3614 /* setup cpu signal handlers for MMU / self modifying code handling */
3615 #if !defined(CONFIG_SOFTMMU)
3617 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3620 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3621 stk
.ss_sp
= signal_stack
;
3622 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3625 if (sigaltstack(&stk
, NULL
) < 0) {
3626 perror("sigaltstack");
3632 struct sigaction act
;
3634 sigfillset(&act
.sa_mask
);
3635 act
.sa_flags
= SA_SIGINFO
;
3636 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3637 act
.sa_flags
|= SA_ONSTACK
;
3639 act
.sa_sigaction
= host_segv_handler
;
3640 sigaction(SIGSEGV
, &act
, NULL
);
3641 sigaction(SIGBUS
, &act
, NULL
);
3642 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3643 sigaction(SIGFPE
, &act
, NULL
);
3650 struct sigaction act
;
3651 sigfillset(&act
.sa_mask
);
3653 act
.sa_handler
= SIG_IGN
;
3654 sigaction(SIGPIPE
, &act
, NULL
);
3659 #if defined(TARGET_I386)
3660 pc_init(ram_size
, vga_ram_size
, boot_device
,
3661 ds
, fd_filename
, snapshot
,
3662 kernel_filename
, kernel_cmdline
, initrd_filename
);
3663 #elif defined(TARGET_PPC)
3664 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3665 ds
, fd_filename
, snapshot
,
3666 kernel_filename
, kernel_cmdline
, initrd_filename
);
3667 #elif defined(TARGET_SPARC)
3668 sun4m_init(ram_size
, vga_ram_size
, boot_device
,
3669 ds
, fd_filename
, snapshot
,
3670 kernel_filename
, kernel_cmdline
, initrd_filename
);
3673 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3674 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3676 #ifdef CONFIG_GDBSTUB
3678 if (gdbserver_start(gdbstub_port
) < 0) {
3679 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3683 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3688 qemu_loadvm(loadvm
);
3691 /* XXX: simplify init */
3693 if (start_emulation
) {