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 */
81 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
83 //#define DEBUG_UNUSED_IOPORT
84 //#define DEBUG_IOPORT
86 #if !defined(CONFIG_SOFTMMU)
87 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
89 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
93 #define DEFAULT_RAM_SIZE 144
95 #define DEFAULT_RAM_SIZE 128
98 #define GUI_REFRESH_INTERVAL 30
100 /* XXX: use a two level table to limit memory usage */
101 #define MAX_IOPORTS 65536
103 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
104 char phys_ram_file
[1024];
105 CPUState
*global_env
;
106 CPUState
*cpu_single_env
;
107 void *ioport_opaque
[MAX_IOPORTS
];
108 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
109 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
110 BlockDriverState
*bs_table
[MAX_DISKS
], *fd_table
[MAX_FD
];
113 static DisplayState display_state
;
115 const char* keyboard_layout
= NULL
;
116 int64_t ticks_per_sec
;
117 int boot_device
= 'c';
119 static char network_script
[1024];
120 int pit_min_timer_count
= 0;
122 NetDriverState nd_table
[MAX_NICS
];
123 QEMUTimer
*gui_timer
;
125 int audio_enabled
= 0;
126 int sb16_enabled
= 1;
127 int adlib_enabled
= 1;
130 int prep_enabled
= 0;
132 int cirrus_vga_enabled
= 1;
133 int graphic_width
= 800;
134 int graphic_height
= 600;
135 int graphic_depth
= 15;
137 TextConsole
*vga_console
;
138 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
139 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
141 /***********************************************************/
142 /* x86 ISA bus support */
144 target_phys_addr_t isa_mem_base
= 0;
146 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
148 #ifdef DEBUG_UNUSED_IOPORT
149 fprintf(stderr
, "inb: port=0x%04x\n", address
);
154 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
156 #ifdef DEBUG_UNUSED_IOPORT
157 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
161 /* default is to make two byte accesses */
162 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
165 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
166 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
167 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
171 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
173 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
174 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
175 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
178 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
180 #ifdef DEBUG_UNUSED_IOPORT
181 fprintf(stderr
, "inl: port=0x%04x\n", address
);
186 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
188 #ifdef DEBUG_UNUSED_IOPORT
189 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
193 void init_ioports(void)
197 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
198 ioport_read_table
[0][i
] = default_ioport_readb
;
199 ioport_write_table
[0][i
] = default_ioport_writeb
;
200 ioport_read_table
[1][i
] = default_ioport_readw
;
201 ioport_write_table
[1][i
] = default_ioport_writew
;
202 ioport_read_table
[2][i
] = default_ioport_readl
;
203 ioport_write_table
[2][i
] = default_ioport_writel
;
207 /* size is the word size in byte */
208 int register_ioport_read(int start
, int length
, int size
,
209 IOPortReadFunc
*func
, void *opaque
)
215 } else if (size
== 2) {
217 } else if (size
== 4) {
220 hw_error("register_ioport_read: invalid size");
223 for(i
= start
; i
< start
+ length
; i
+= size
) {
224 ioport_read_table
[bsize
][i
] = func
;
225 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
226 hw_error("register_ioport_read: invalid opaque");
227 ioport_opaque
[i
] = opaque
;
232 /* size is the word size in byte */
233 int register_ioport_write(int start
, int length
, int size
,
234 IOPortWriteFunc
*func
, void *opaque
)
240 } else if (size
== 2) {
242 } else if (size
== 4) {
245 hw_error("register_ioport_write: invalid size");
248 for(i
= start
; i
< start
+ length
; i
+= size
) {
249 ioport_write_table
[bsize
][i
] = func
;
250 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
251 hw_error("register_ioport_read: invalid opaque");
252 ioport_opaque
[i
] = opaque
;
257 void isa_unassign_ioport(int start
, int length
)
261 for(i
= start
; i
< start
+ length
; i
++) {
262 ioport_read_table
[0][i
] = default_ioport_readb
;
263 ioport_read_table
[1][i
] = default_ioport_readw
;
264 ioport_read_table
[2][i
] = default_ioport_readl
;
266 ioport_write_table
[0][i
] = default_ioport_writeb
;
267 ioport_write_table
[1][i
] = default_ioport_writew
;
268 ioport_write_table
[2][i
] = default_ioport_writel
;
272 /***********************************************************/
274 void pstrcpy(char *buf
, int buf_size
, const char *str
)
284 if (c
== 0 || q
>= buf
+ buf_size
- 1)
291 /* strcat and truncate. */
292 char *pstrcat(char *buf
, int buf_size
, const char *s
)
297 pstrcpy(buf
+ len
, buf_size
- len
, s
);
301 int strstart(const char *str
, const char *val
, const char **ptr
)
317 /* return the size or -1 if error */
318 int get_image_size(const char *filename
)
321 fd
= open(filename
, O_RDONLY
| O_BINARY
);
324 size
= lseek(fd
, 0, SEEK_END
);
329 /* return the size or -1 if error */
330 int load_image(const char *filename
, uint8_t *addr
)
333 fd
= open(filename
, O_RDONLY
| O_BINARY
);
336 size
= lseek(fd
, 0, SEEK_END
);
337 lseek(fd
, 0, SEEK_SET
);
338 if (read(fd
, addr
, size
) != size
) {
346 void cpu_outb(CPUState
*env
, int addr
, int val
)
349 if (loglevel
& CPU_LOG_IOPORT
)
350 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
352 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
355 void cpu_outw(CPUState
*env
, int addr
, int val
)
358 if (loglevel
& CPU_LOG_IOPORT
)
359 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
361 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
364 void cpu_outl(CPUState
*env
, int addr
, int val
)
367 if (loglevel
& CPU_LOG_IOPORT
)
368 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
370 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
373 int cpu_inb(CPUState
*env
, int addr
)
376 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
378 if (loglevel
& CPU_LOG_IOPORT
)
379 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
384 int cpu_inw(CPUState
*env
, int addr
)
387 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
389 if (loglevel
& CPU_LOG_IOPORT
)
390 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
395 int cpu_inl(CPUState
*env
, int addr
)
398 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
400 if (loglevel
& CPU_LOG_IOPORT
)
401 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
406 /***********************************************************/
407 void hw_error(const char *fmt
, ...)
412 fprintf(stderr
, "qemu: hardware error: ");
413 vfprintf(stderr
, fmt
, ap
);
414 fprintf(stderr
, "\n");
416 cpu_dump_state(global_env
, stderr
, fprintf
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
418 cpu_dump_state(global_env
, stderr
, fprintf
, 0);
424 /***********************************************************/
427 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
428 static void *qemu_put_kbd_event_opaque
;
429 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
430 static void *qemu_put_mouse_event_opaque
;
432 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
434 qemu_put_kbd_event_opaque
= opaque
;
435 qemu_put_kbd_event
= func
;
438 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
440 qemu_put_mouse_event_opaque
= opaque
;
441 qemu_put_mouse_event
= func
;
444 void kbd_put_keycode(int keycode
)
446 if (qemu_put_kbd_event
) {
447 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
451 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
453 if (qemu_put_mouse_event
) {
454 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
455 dx
, dy
, dz
, buttons_state
);
459 /***********************************************************/
462 #if defined(__powerpc__)
464 static inline uint32_t get_tbl(void)
467 asm volatile("mftb %0" : "=r" (tbl
));
471 static inline uint32_t get_tbu(void)
474 asm volatile("mftbu %0" : "=r" (tbl
));
478 int64_t cpu_get_real_ticks(void)
481 /* NOTE: we test if wrapping has occurred */
487 return ((int64_t)h
<< 32) | l
;
490 #elif defined(__i386__)
492 int64_t cpu_get_real_ticks(void)
495 asm volatile ("rdtsc" : "=A" (val
));
499 #elif defined(__x86_64__)
501 int64_t cpu_get_real_ticks(void)
505 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
513 #error unsupported CPU
516 static int64_t cpu_ticks_offset
;
517 static int cpu_ticks_enabled
;
519 static inline int64_t cpu_get_ticks(void)
521 if (!cpu_ticks_enabled
) {
522 return cpu_ticks_offset
;
524 return cpu_get_real_ticks() + cpu_ticks_offset
;
528 /* enable cpu_get_ticks() */
529 void cpu_enable_ticks(void)
531 if (!cpu_ticks_enabled
) {
532 cpu_ticks_offset
-= cpu_get_real_ticks();
533 cpu_ticks_enabled
= 1;
537 /* disable cpu_get_ticks() : the clock is stopped. You must not call
538 cpu_get_ticks() after that. */
539 void cpu_disable_ticks(void)
541 if (cpu_ticks_enabled
) {
542 cpu_ticks_offset
= cpu_get_ticks();
543 cpu_ticks_enabled
= 0;
547 static int64_t get_clock(void)
552 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
555 gettimeofday(&tv
, NULL
);
556 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
560 void cpu_calibrate_ticks(void)
565 ticks
= cpu_get_real_ticks();
571 usec
= get_clock() - usec
;
572 ticks
= cpu_get_real_ticks() - ticks
;
573 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
576 /* compute with 96 bit intermediate result: (a*b)/c */
577 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
582 #ifdef WORDS_BIGENDIAN
592 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
593 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
596 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
600 #define QEMU_TIMER_REALTIME 0
601 #define QEMU_TIMER_VIRTUAL 1
605 /* XXX: add frequency */
613 struct QEMUTimer
*next
;
619 static QEMUTimer
*active_timers
[2];
621 static MMRESULT timerID
;
623 /* frequency of the times() clock tick */
624 static int timer_freq
;
627 QEMUClock
*qemu_new_clock(int type
)
630 clock
= qemu_mallocz(sizeof(QEMUClock
));
637 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
641 ts
= qemu_mallocz(sizeof(QEMUTimer
));
648 void qemu_free_timer(QEMUTimer
*ts
)
653 /* stop a timer, but do not dealloc it */
654 void qemu_del_timer(QEMUTimer
*ts
)
658 /* NOTE: this code must be signal safe because
659 qemu_timer_expired() can be called from a signal. */
660 pt
= &active_timers
[ts
->clock
->type
];
673 /* modify the current timer so that it will be fired when current_time
674 >= expire_time. The corresponding callback will be called. */
675 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
681 /* add the timer in the sorted list */
682 /* NOTE: this code must be signal safe because
683 qemu_timer_expired() can be called from a signal. */
684 pt
= &active_timers
[ts
->clock
->type
];
689 if (t
->expire_time
> expire_time
)
693 ts
->expire_time
= expire_time
;
698 int qemu_timer_pending(QEMUTimer
*ts
)
701 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
708 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
712 return (timer_head
->expire_time
<= current_time
);
715 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
721 if (!ts
|| ts
->expire_time
> current_time
)
723 /* remove timer from the list before calling the callback */
724 *ptimer_head
= ts
->next
;
727 /* run the callback (the timer list can be modified) */
732 int64_t qemu_get_clock(QEMUClock
*clock
)
734 switch(clock
->type
) {
735 case QEMU_TIMER_REALTIME
:
737 return GetTickCount();
742 /* Note that using gettimeofday() is not a good solution
743 for timers because its value change when the date is
745 if (timer_freq
== 100) {
746 return times(&tp
) * 10;
748 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
753 case QEMU_TIMER_VIRTUAL
:
754 return cpu_get_ticks();
759 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
761 uint64_t expire_time
;
763 if (qemu_timer_pending(ts
)) {
764 expire_time
= ts
->expire_time
;
768 qemu_put_be64(f
, expire_time
);
771 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
773 uint64_t expire_time
;
775 expire_time
= qemu_get_be64(f
);
776 if (expire_time
!= -1) {
777 qemu_mod_timer(ts
, expire_time
);
783 static void timer_save(QEMUFile
*f
, void *opaque
)
785 if (cpu_ticks_enabled
) {
786 hw_error("cannot save state if virtual timers are running");
788 qemu_put_be64s(f
, &cpu_ticks_offset
);
789 qemu_put_be64s(f
, &ticks_per_sec
);
792 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
796 if (cpu_ticks_enabled
) {
799 qemu_get_be64s(f
, &cpu_ticks_offset
);
800 qemu_get_be64s(f
, &ticks_per_sec
);
805 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
806 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
808 static void host_alarm_handler(int host_signum
)
812 #define DISP_FREQ 1000
814 static int64_t delta_min
= INT64_MAX
;
815 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
817 ti
= qemu_get_clock(vm_clock
);
818 if (last_clock
!= 0) {
819 delta
= ti
- last_clock
;
820 if (delta
< delta_min
)
822 if (delta
> delta_max
)
825 if (++count
== DISP_FREQ
) {
826 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
827 muldiv64(delta_min
, 1000000, ticks_per_sec
),
828 muldiv64(delta_max
, 1000000, ticks_per_sec
),
829 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
830 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
832 delta_min
= INT64_MAX
;
840 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
841 qemu_get_clock(vm_clock
)) ||
842 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
843 qemu_get_clock(rt_clock
))) {
844 /* stop the cpu because a timer occured */
845 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
851 #if defined(__linux__)
853 #define RTC_FREQ 1024
857 static int start_rtc_timer(void)
859 rtc_fd
= open("/dev/rtc", O_RDONLY
);
862 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
863 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
864 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
865 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
868 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
873 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
879 static int start_rtc_timer(void)
884 #endif /* !defined(__linux__) */
886 #endif /* !defined(_WIN32) */
888 static void init_timers(void)
890 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
891 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
896 timerID
= timeSetEvent(10, // interval (ms)
898 host_alarm_handler
, // function
899 (DWORD
)&count
, // user parameter
900 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
902 perror("failed timer alarm");
906 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
909 struct sigaction act
;
910 struct itimerval itv
;
912 /* get times() syscall frequency */
913 timer_freq
= sysconf(_SC_CLK_TCK
);
916 sigfillset(&act
.sa_mask
);
918 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
919 act
.sa_flags
|= SA_ONSTACK
;
921 act
.sa_handler
= host_alarm_handler
;
922 sigaction(SIGALRM
, &act
, NULL
);
924 itv
.it_interval
.tv_sec
= 0;
925 itv
.it_interval
.tv_usec
= 1000;
926 itv
.it_value
.tv_sec
= 0;
927 itv
.it_value
.tv_usec
= 10 * 1000;
928 setitimer(ITIMER_REAL
, &itv
, NULL
);
929 /* we probe the tick duration of the kernel to inform the user if
930 the emulated kernel requested a too high timer frequency */
931 getitimer(ITIMER_REAL
, &itv
);
933 #if defined(__linux__)
934 if (itv
.it_interval
.tv_usec
> 1000) {
935 /* try to use /dev/rtc to have a faster timer */
936 if (start_rtc_timer() < 0)
939 itv
.it_interval
.tv_sec
= 0;
940 itv
.it_interval
.tv_usec
= 0;
941 itv
.it_value
.tv_sec
= 0;
942 itv
.it_value
.tv_usec
= 0;
943 setitimer(ITIMER_REAL
, &itv
, NULL
);
946 sigaction(SIGIO
, &act
, NULL
);
947 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
948 fcntl(rtc_fd
, F_SETOWN
, getpid());
950 #endif /* defined(__linux__) */
953 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
960 void quit_timers(void)
963 timeKillEvent(timerID
);
967 /***********************************************************/
968 /* character device */
970 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
972 return s
->chr_write(s
, buf
, len
);
975 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
980 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
981 qemu_chr_write(s
, buf
, strlen(buf
));
985 void qemu_chr_send_event(CharDriverState
*s
, int event
)
987 if (s
->chr_send_event
)
988 s
->chr_send_event(s
, event
);
991 void qemu_chr_add_read_handler(CharDriverState
*s
,
992 IOCanRWHandler
*fd_can_read
,
993 IOReadHandler
*fd_read
, void *opaque
)
995 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
998 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
1000 s
->chr_event
= chr_event
;
1003 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1008 static void null_chr_add_read_handler(CharDriverState
*chr
,
1009 IOCanRWHandler
*fd_can_read
,
1010 IOReadHandler
*fd_read
, void *opaque
)
1014 CharDriverState
*qemu_chr_open_null(void)
1016 CharDriverState
*chr
;
1018 chr
= qemu_mallocz(sizeof(CharDriverState
));
1021 chr
->chr_write
= null_chr_write
;
1022 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1030 /* for nographic stdio only */
1031 IOCanRWHandler
*fd_can_read
;
1032 IOReadHandler
*fd_read
;
1036 #define STDIO_MAX_CLIENTS 2
1038 static int stdio_nb_clients
;
1039 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1041 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1047 ret
= write(fd
, buf
, len
);
1049 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1051 } else if (ret
== 0) {
1061 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1063 FDCharDriver
*s
= chr
->opaque
;
1064 return unix_write(s
->fd_out
, buf
, len
);
1067 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1068 IOCanRWHandler
*fd_can_read
,
1069 IOReadHandler
*fd_read
, void *opaque
)
1071 FDCharDriver
*s
= chr
->opaque
;
1073 if (nographic
&& s
->fd_in
== 0) {
1074 s
->fd_can_read
= fd_can_read
;
1075 s
->fd_read
= fd_read
;
1076 s
->fd_opaque
= opaque
;
1078 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1082 /* open a character device to a unix fd */
1083 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1085 CharDriverState
*chr
;
1088 chr
= qemu_mallocz(sizeof(CharDriverState
));
1091 s
= qemu_mallocz(sizeof(FDCharDriver
));
1099 chr
->chr_write
= fd_chr_write
;
1100 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1104 /* for STDIO, we handle the case where several clients use it
1107 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1109 static int term_got_escape
, client_index
;
1111 void term_print_help(void)
1114 "C-a h print this help\n"
1115 "C-a x exit emulator\n"
1116 "C-a s save disk data back to file (if -snapshot)\n"
1117 "C-a b send break (magic sysrq)\n"
1118 "C-a c switch between console and monitor\n"
1119 "C-a C-a send C-a\n"
1123 /* called when a char is received */
1124 static void stdio_received_byte(int ch
)
1126 if (term_got_escape
) {
1127 term_got_escape
= 0;
1138 for (i
= 0; i
< MAX_DISKS
; i
++) {
1140 bdrv_commit(bs_table
[i
]);
1145 if (client_index
< stdio_nb_clients
) {
1146 CharDriverState
*chr
;
1149 chr
= stdio_clients
[client_index
];
1151 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1156 if (client_index
>= stdio_nb_clients
)
1158 if (client_index
== 0) {
1159 /* send a new line in the monitor to get the prompt */
1167 } else if (ch
== TERM_ESCAPE
) {
1168 term_got_escape
= 1;
1171 if (client_index
< stdio_nb_clients
) {
1173 CharDriverState
*chr
;
1176 chr
= stdio_clients
[client_index
];
1179 /* XXX: should queue the char if the device is not
1181 if (s
->fd_can_read(s
->fd_opaque
) > 0)
1182 s
->fd_read(s
->fd_opaque
, buf
, 1);
1187 static int stdio_can_read(void *opaque
)
1189 /* XXX: not strictly correct */
1193 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1196 for(i
= 0; i
< size
; i
++)
1197 stdio_received_byte(buf
[i
]);
1200 /* init terminal so that we can grab keys */
1201 static struct termios oldtty
;
1202 static int old_fd0_flags
;
1204 static void term_exit(void)
1206 tcsetattr (0, TCSANOW
, &oldtty
);
1207 fcntl(0, F_SETFL
, old_fd0_flags
);
1210 static void term_init(void)
1214 tcgetattr (0, &tty
);
1216 old_fd0_flags
= fcntl(0, F_GETFL
);
1218 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1219 |INLCR
|IGNCR
|ICRNL
|IXON
);
1220 tty
.c_oflag
|= OPOST
;
1221 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1222 /* if graphical mode, we allow Ctrl-C handling */
1224 tty
.c_lflag
&= ~ISIG
;
1225 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1228 tty
.c_cc
[VTIME
] = 0;
1230 tcsetattr (0, TCSANOW
, &tty
);
1234 fcntl(0, F_SETFL
, O_NONBLOCK
);
1237 CharDriverState
*qemu_chr_open_stdio(void)
1239 CharDriverState
*chr
;
1242 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1244 chr
= qemu_chr_open_fd(0, 1);
1245 if (stdio_nb_clients
== 0)
1246 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1247 client_index
= stdio_nb_clients
;
1249 if (stdio_nb_clients
!= 0)
1251 chr
= qemu_chr_open_fd(0, 1);
1253 stdio_clients
[stdio_nb_clients
++] = chr
;
1254 if (stdio_nb_clients
== 1) {
1255 /* set the terminal in raw mode */
1261 #if defined(__linux__)
1262 CharDriverState
*qemu_chr_open_pty(void)
1264 char slave_name
[1024];
1265 int master_fd
, slave_fd
;
1267 /* Not satisfying */
1268 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1271 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1272 return qemu_chr_open_fd(master_fd
, master_fd
);
1275 CharDriverState
*qemu_chr_open_pty(void)
1281 #endif /* !defined(_WIN32) */
1283 CharDriverState
*qemu_chr_open(const char *filename
)
1285 if (!strcmp(filename
, "vc")) {
1286 return text_console_init(&display_state
);
1287 } else if (!strcmp(filename
, "null")) {
1288 return qemu_chr_open_null();
1291 if (!strcmp(filename
, "pty")) {
1292 return qemu_chr_open_pty();
1293 } else if (!strcmp(filename
, "stdio")) {
1294 return qemu_chr_open_stdio();
1302 /***********************************************************/
1303 /* Linux network device redirectors */
1305 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1309 for(i
=0;i
<size
;i
+=16) {
1313 fprintf(f
, "%08x ", i
);
1316 fprintf(f
, " %02x", buf
[i
+j
]);
1321 for(j
=0;j
<len
;j
++) {
1323 if (c
< ' ' || c
> '~')
1325 fprintf(f
, "%c", c
);
1331 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1333 nd
->send_packet(nd
, buf
, size
);
1336 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1337 IOReadHandler
*fd_read
, void *opaque
)
1339 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1342 /* dummy network adapter */
1344 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1348 static void dummy_add_read_packet(NetDriverState
*nd
,
1349 IOCanRWHandler
*fd_can_read
,
1350 IOReadHandler
*fd_read
, void *opaque
)
1354 static int net_dummy_init(NetDriverState
*nd
)
1356 nd
->send_packet
= dummy_send_packet
;
1357 nd
->add_read_packet
= dummy_add_read_packet
;
1358 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1362 #if defined(CONFIG_SLIRP)
1364 /* slirp network adapter */
1366 static void *slirp_fd_opaque
;
1367 static IOCanRWHandler
*slirp_fd_can_read
;
1368 static IOReadHandler
*slirp_fd_read
;
1369 static int slirp_inited
;
1371 int slirp_can_output(void)
1373 return slirp_fd_can_read(slirp_fd_opaque
);
1376 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1379 printf("output:\n");
1380 hex_dump(stdout
, pkt
, pkt_len
);
1382 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1385 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1389 hex_dump(stdout
, buf
, size
);
1391 slirp_input(buf
, size
);
1394 static void slirp_add_read_packet(NetDriverState
*nd
,
1395 IOCanRWHandler
*fd_can_read
,
1396 IOReadHandler
*fd_read
, void *opaque
)
1398 slirp_fd_opaque
= opaque
;
1399 slirp_fd_can_read
= fd_can_read
;
1400 slirp_fd_read
= fd_read
;
1403 static int net_slirp_init(NetDriverState
*nd
)
1405 if (!slirp_inited
) {
1409 nd
->send_packet
= slirp_send_packet
;
1410 nd
->add_read_packet
= slirp_add_read_packet
;
1411 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1415 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
1420 p1
= strchr(p
, sep
);
1426 if (len
> buf_size
- 1)
1428 memcpy(buf
, p
, len
);
1435 static void net_slirp_redir(const char *redir_str
)
1440 struct in_addr guest_addr
;
1441 int host_port
, guest_port
;
1443 if (!slirp_inited
) {
1449 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1451 if (!strcmp(buf
, "tcp")) {
1453 } else if (!strcmp(buf
, "udp")) {
1459 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1461 host_port
= strtol(buf
, &r
, 0);
1465 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1467 if (buf
[0] == '\0') {
1468 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
1470 if (!inet_aton(buf
, &guest_addr
))
1473 guest_port
= strtol(p
, &r
, 0);
1477 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
1478 fprintf(stderr
, "qemu: could not set up redirection\n");
1483 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1491 static void smb_exit(void)
1495 char filename
[1024];
1497 /* erase all the files in the directory */
1498 d
= opendir(smb_dir
);
1503 if (strcmp(de
->d_name
, ".") != 0 &&
1504 strcmp(de
->d_name
, "..") != 0) {
1505 snprintf(filename
, sizeof(filename
), "%s/%s",
1506 smb_dir
, de
->d_name
);
1514 /* automatic user mode samba server configuration */
1515 void net_slirp_smb(const char *exported_dir
)
1517 char smb_conf
[1024];
1518 char smb_cmdline
[1024];
1521 if (!slirp_inited
) {
1526 /* XXX: better tmp dir construction */
1527 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
1528 if (mkdir(smb_dir
, 0700) < 0) {
1529 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1532 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1534 f
= fopen(smb_conf
, "w");
1536 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1541 "pid directory=%s\n"
1542 "lock directory=%s\n"
1543 "log file=%s/log.smbd\n"
1544 "smb passwd file=%s/smbpasswd\n"
1545 "security = share\n"
1559 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "/usr/sbin/smbd -s %s",
1562 slirp_add_exec(0, smb_cmdline
, 4, 139);
1565 #endif /* !defined(_WIN32) */
1567 #endif /* CONFIG_SLIRP */
1569 #if !defined(_WIN32)
1571 static int tun_open(char *ifname
, int ifname_size
)
1577 fd
= open("/dev/tap", O_RDWR
);
1579 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1584 dev
= devname(s
.st_rdev
, S_IFCHR
);
1585 pstrcpy(ifname
, ifname_size
, dev
);
1587 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1591 static int tun_open(char *ifname
, int ifname_size
)
1596 fd
= open("/dev/net/tun", O_RDWR
);
1598 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1601 memset(&ifr
, 0, sizeof(ifr
));
1602 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1603 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1604 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1606 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1610 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1611 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1612 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1617 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1619 write(nd
->fd
, buf
, size
);
1622 static void tun_add_read_packet(NetDriverState
*nd
,
1623 IOCanRWHandler
*fd_can_read
,
1624 IOReadHandler
*fd_read
, void *opaque
)
1626 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1629 static int net_tun_init(NetDriverState
*nd
)
1635 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1639 /* try to launch network init script */
1644 *parg
++ = network_script
;
1645 *parg
++ = nd
->ifname
;
1647 execv(network_script
, args
);
1650 while (waitpid(pid
, &status
, 0) != pid
);
1651 if (!WIFEXITED(status
) ||
1652 WEXITSTATUS(status
) != 0) {
1653 fprintf(stderr
, "%s: could not launch network script\n",
1657 nd
->send_packet
= tun_send_packet
;
1658 nd
->add_read_packet
= tun_add_read_packet
;
1662 static int net_fd_init(NetDriverState
*nd
, int fd
)
1665 nd
->send_packet
= tun_send_packet
;
1666 nd
->add_read_packet
= tun_add_read_packet
;
1667 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1671 #endif /* !_WIN32 */
1673 /***********************************************************/
1676 static char *pid_filename
;
1678 /* Remove PID file. Called on normal exit */
1680 static void remove_pidfile(void)
1682 unlink (pid_filename
);
1685 static void create_pidfile(const char *filename
)
1687 struct stat pidstat
;
1690 /* Try to write our PID to the named file */
1691 if (stat(filename
, &pidstat
) < 0) {
1692 if (errno
== ENOENT
) {
1693 if ((f
= fopen (filename
, "w")) == NULL
) {
1694 perror("Opening pidfile");
1697 fprintf(f
, "%d\n", getpid());
1699 pid_filename
= qemu_strdup(filename
);
1700 if (!pid_filename
) {
1701 fprintf(stderr
, "Could not save PID filename");
1704 atexit(remove_pidfile
);
1707 fprintf(stderr
, "%s already exists. Remove it and try again.\n",
1713 /***********************************************************/
1716 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1720 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1724 static void dumb_refresh(DisplayState
*ds
)
1726 vga_update_display();
1729 void dumb_display_init(DisplayState
*ds
)
1734 ds
->dpy_update
= dumb_update
;
1735 ds
->dpy_resize
= dumb_resize
;
1736 ds
->dpy_refresh
= dumb_refresh
;
1739 #if !defined(CONFIG_SOFTMMU)
1740 /***********************************************************/
1741 /* cpu signal handler */
1742 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1745 if (cpu_signal_handler(host_signum
, info
, puc
))
1747 if (stdio_nb_clients
> 0)
1753 /***********************************************************/
1756 #define MAX_IO_HANDLERS 64
1758 typedef struct IOHandlerRecord
{
1760 IOCanRWHandler
*fd_can_read
;
1761 IOReadHandler
*fd_read
;
1763 /* temporary data */
1766 struct IOHandlerRecord
*next
;
1769 static IOHandlerRecord
*first_io_handler
;
1771 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1772 IOReadHandler
*fd_read
, void *opaque
)
1774 IOHandlerRecord
*ioh
;
1776 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1780 ioh
->fd_can_read
= fd_can_read
;
1781 ioh
->fd_read
= fd_read
;
1782 ioh
->opaque
= opaque
;
1783 ioh
->next
= first_io_handler
;
1784 first_io_handler
= ioh
;
1788 void qemu_del_fd_read_handler(int fd
)
1790 IOHandlerRecord
**pioh
, *ioh
;
1792 pioh
= &first_io_handler
;
1797 if (ioh
->fd
== fd
) {
1805 /***********************************************************/
1806 /* savevm/loadvm support */
1808 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1810 fwrite(buf
, 1, size
, f
);
1813 void qemu_put_byte(QEMUFile
*f
, int v
)
1818 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1820 qemu_put_byte(f
, v
>> 8);
1821 qemu_put_byte(f
, v
);
1824 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1826 qemu_put_byte(f
, v
>> 24);
1827 qemu_put_byte(f
, v
>> 16);
1828 qemu_put_byte(f
, v
>> 8);
1829 qemu_put_byte(f
, v
);
1832 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1834 qemu_put_be32(f
, v
>> 32);
1835 qemu_put_be32(f
, v
);
1838 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1840 return fread(buf
, 1, size
, f
);
1843 int qemu_get_byte(QEMUFile
*f
)
1853 unsigned int qemu_get_be16(QEMUFile
*f
)
1856 v
= qemu_get_byte(f
) << 8;
1857 v
|= qemu_get_byte(f
);
1861 unsigned int qemu_get_be32(QEMUFile
*f
)
1864 v
= qemu_get_byte(f
) << 24;
1865 v
|= qemu_get_byte(f
) << 16;
1866 v
|= qemu_get_byte(f
) << 8;
1867 v
|= qemu_get_byte(f
);
1871 uint64_t qemu_get_be64(QEMUFile
*f
)
1874 v
= (uint64_t)qemu_get_be32(f
) << 32;
1875 v
|= qemu_get_be32(f
);
1879 int64_t qemu_ftell(QEMUFile
*f
)
1884 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1886 if (fseek(f
, pos
, whence
) < 0)
1891 typedef struct SaveStateEntry
{
1895 SaveStateHandler
*save_state
;
1896 LoadStateHandler
*load_state
;
1898 struct SaveStateEntry
*next
;
1901 static SaveStateEntry
*first_se
;
1903 int register_savevm(const char *idstr
,
1906 SaveStateHandler
*save_state
,
1907 LoadStateHandler
*load_state
,
1910 SaveStateEntry
*se
, **pse
;
1912 se
= qemu_malloc(sizeof(SaveStateEntry
));
1915 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1916 se
->instance_id
= instance_id
;
1917 se
->version_id
= version_id
;
1918 se
->save_state
= save_state
;
1919 se
->load_state
= load_state
;
1920 se
->opaque
= opaque
;
1923 /* add at the end of list */
1925 while (*pse
!= NULL
)
1926 pse
= &(*pse
)->next
;
1931 #define QEMU_VM_FILE_MAGIC 0x5145564d
1932 #define QEMU_VM_FILE_VERSION 0x00000001
1934 int qemu_savevm(const char *filename
)
1938 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1940 saved_vm_running
= vm_running
;
1943 f
= fopen(filename
, "wb");
1949 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1950 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1952 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1954 len
= strlen(se
->idstr
);
1955 qemu_put_byte(f
, len
);
1956 qemu_put_buffer(f
, se
->idstr
, len
);
1958 qemu_put_be32(f
, se
->instance_id
);
1959 qemu_put_be32(f
, se
->version_id
);
1961 /* record size: filled later */
1963 qemu_put_be32(f
, 0);
1965 se
->save_state(f
, se
->opaque
);
1967 /* fill record size */
1969 len
= ftell(f
) - len_pos
- 4;
1970 fseek(f
, len_pos
, SEEK_SET
);
1971 qemu_put_be32(f
, len
);
1972 fseek(f
, cur_pos
, SEEK_SET
);
1978 if (saved_vm_running
)
1983 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1987 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1988 if (!strcmp(se
->idstr
, idstr
) &&
1989 instance_id
== se
->instance_id
)
1995 int qemu_loadvm(const char *filename
)
1999 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
2000 int saved_vm_running
;
2004 saved_vm_running
= vm_running
;
2007 f
= fopen(filename
, "rb");
2013 v
= qemu_get_be32(f
);
2014 if (v
!= QEMU_VM_FILE_MAGIC
)
2016 v
= qemu_get_be32(f
);
2017 if (v
!= QEMU_VM_FILE_VERSION
) {
2024 #if defined (DO_TB_FLUSH)
2025 tb_flush(global_env
);
2027 len
= qemu_get_byte(f
);
2030 qemu_get_buffer(f
, idstr
, len
);
2032 instance_id
= qemu_get_be32(f
);
2033 version_id
= qemu_get_be32(f
);
2034 record_len
= qemu_get_be32(f
);
2036 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2037 idstr
, instance_id
, version_id
, record_len
);
2040 se
= find_se(idstr
, instance_id
);
2042 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2043 instance_id
, idstr
);
2045 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2047 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2048 instance_id
, idstr
);
2051 /* always seek to exact end of record */
2052 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2057 if (saved_vm_running
)
2062 /***********************************************************/
2063 /* cpu save/restore */
2065 #if defined(TARGET_I386)
2067 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2069 qemu_put_be32(f
, dt
->selector
);
2070 qemu_put_betl(f
, dt
->base
);
2071 qemu_put_be32(f
, dt
->limit
);
2072 qemu_put_be32(f
, dt
->flags
);
2075 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2077 dt
->selector
= qemu_get_be32(f
);
2078 dt
->base
= qemu_get_betl(f
);
2079 dt
->limit
= qemu_get_be32(f
);
2080 dt
->flags
= qemu_get_be32(f
);
2083 void cpu_save(QEMUFile
*f
, void *opaque
)
2085 CPUState
*env
= opaque
;
2086 uint16_t fptag
, fpus
, fpuc
, fpregs_format
;
2090 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2091 qemu_put_betls(f
, &env
->regs
[i
]);
2092 qemu_put_betls(f
, &env
->eip
);
2093 qemu_put_betls(f
, &env
->eflags
);
2094 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2095 qemu_put_be32s(f
, &hflags
);
2099 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2101 for(i
= 0; i
< 8; i
++) {
2102 fptag
|= ((!env
->fptags
[i
]) << i
);
2105 qemu_put_be16s(f
, &fpuc
);
2106 qemu_put_be16s(f
, &fpus
);
2107 qemu_put_be16s(f
, &fptag
);
2109 #ifdef USE_X86LDOUBLE
2114 qemu_put_be16s(f
, &fpregs_format
);
2116 for(i
= 0; i
< 8; i
++) {
2117 #ifdef USE_X86LDOUBLE
2121 /* we save the real CPU data (in case of MMX usage only 'mant'
2122 contains the MMX register */
2123 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
].d
);
2124 qemu_put_be64(f
, mant
);
2125 qemu_put_be16(f
, exp
);
2128 /* if we use doubles for float emulation, we save the doubles to
2129 avoid losing information in case of MMX usage. It can give
2130 problems if the image is restored on a CPU where long
2131 doubles are used instead. */
2132 qemu_put_be64(f
, env
->fpregs
[i
].mmx
.MMX_Q(0));
2136 for(i
= 0; i
< 6; i
++)
2137 cpu_put_seg(f
, &env
->segs
[i
]);
2138 cpu_put_seg(f
, &env
->ldt
);
2139 cpu_put_seg(f
, &env
->tr
);
2140 cpu_put_seg(f
, &env
->gdt
);
2141 cpu_put_seg(f
, &env
->idt
);
2143 qemu_put_be32s(f
, &env
->sysenter_cs
);
2144 qemu_put_be32s(f
, &env
->sysenter_esp
);
2145 qemu_put_be32s(f
, &env
->sysenter_eip
);
2147 qemu_put_betls(f
, &env
->cr
[0]);
2148 qemu_put_betls(f
, &env
->cr
[2]);
2149 qemu_put_betls(f
, &env
->cr
[3]);
2150 qemu_put_betls(f
, &env
->cr
[4]);
2152 for(i
= 0; i
< 8; i
++)
2153 qemu_put_betls(f
, &env
->dr
[i
]);
2156 qemu_put_be32s(f
, &env
->a20_mask
);
2159 qemu_put_be32s(f
, &env
->mxcsr
);
2160 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2161 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2162 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2165 #ifdef TARGET_X86_64
2166 qemu_put_be64s(f
, &env
->efer
);
2167 qemu_put_be64s(f
, &env
->star
);
2168 qemu_put_be64s(f
, &env
->lstar
);
2169 qemu_put_be64s(f
, &env
->cstar
);
2170 qemu_put_be64s(f
, &env
->fmask
);
2171 qemu_put_be64s(f
, &env
->kernelgsbase
);
2175 #ifdef USE_X86LDOUBLE
2176 /* XXX: add that in a FPU generic layer */
2177 union x86_longdouble
{
2182 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
2183 #define EXPBIAS1 1023
2184 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
2185 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
2187 static void fp64_to_fp80(union x86_longdouble
*p
, uint64_t temp
)
2191 p
->mant
= (MANTD1(temp
) << 11) | (1LL << 63);
2192 /* exponent + sign */
2193 e
= EXPD1(temp
) - EXPBIAS1
+ 16383;
2194 e
|= SIGND1(temp
) >> 16;
2199 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2201 CPUState
*env
= opaque
;
2204 uint16_t fpus
, fpuc
, fptag
, fpregs_format
;
2206 if (version_id
!= 3)
2208 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2209 qemu_get_betls(f
, &env
->regs
[i
]);
2210 qemu_get_betls(f
, &env
->eip
);
2211 qemu_get_betls(f
, &env
->eflags
);
2212 qemu_get_be32s(f
, &hflags
);
2214 qemu_get_be16s(f
, &fpuc
);
2215 qemu_get_be16s(f
, &fpus
);
2216 qemu_get_be16s(f
, &fptag
);
2217 qemu_get_be16s(f
, &fpregs_format
);
2219 /* NOTE: we cannot always restore the FPU state if the image come
2220 from a host with a different 'USE_X86LDOUBLE' define. We guess
2221 if we are in an MMX state to restore correctly in that case. */
2222 guess_mmx
= ((fptag
== 0xff) && (fpus
& 0x3800) == 0);
2223 for(i
= 0; i
< 8; i
++) {
2227 switch(fpregs_format
) {
2229 mant
= qemu_get_be64(f
);
2230 exp
= qemu_get_be16(f
);
2231 #ifdef USE_X86LDOUBLE
2232 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2234 /* difficult case */
2236 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
2238 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2242 mant
= qemu_get_be64(f
);
2243 #ifdef USE_X86LDOUBLE
2245 union x86_longdouble
*p
;
2246 /* difficult case */
2247 p
= (void *)&env
->fpregs
[i
];
2252 fp64_to_fp80(p
, mant
);
2256 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
2265 env
->fpstt
= (fpus
>> 11) & 7;
2266 env
->fpus
= fpus
& ~0x3800;
2268 for(i
= 0; i
< 8; i
++) {
2269 env
->fptags
[i
] = (fptag
>> i
) & 1;
2272 for(i
= 0; i
< 6; i
++)
2273 cpu_get_seg(f
, &env
->segs
[i
]);
2274 cpu_get_seg(f
, &env
->ldt
);
2275 cpu_get_seg(f
, &env
->tr
);
2276 cpu_get_seg(f
, &env
->gdt
);
2277 cpu_get_seg(f
, &env
->idt
);
2279 qemu_get_be32s(f
, &env
->sysenter_cs
);
2280 qemu_get_be32s(f
, &env
->sysenter_esp
);
2281 qemu_get_be32s(f
, &env
->sysenter_eip
);
2283 qemu_get_betls(f
, &env
->cr
[0]);
2284 qemu_get_betls(f
, &env
->cr
[2]);
2285 qemu_get_betls(f
, &env
->cr
[3]);
2286 qemu_get_betls(f
, &env
->cr
[4]);
2288 for(i
= 0; i
< 8; i
++)
2289 qemu_get_betls(f
, &env
->dr
[i
]);
2292 qemu_get_be32s(f
, &env
->a20_mask
);
2294 qemu_get_be32s(f
, &env
->mxcsr
);
2295 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2296 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2297 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2300 #ifdef TARGET_X86_64
2301 qemu_get_be64s(f
, &env
->efer
);
2302 qemu_get_be64s(f
, &env
->star
);
2303 qemu_get_be64s(f
, &env
->lstar
);
2304 qemu_get_be64s(f
, &env
->cstar
);
2305 qemu_get_be64s(f
, &env
->fmask
);
2306 qemu_get_be64s(f
, &env
->kernelgsbase
);
2309 /* XXX: compute hflags from scratch, except for CPL and IIF */
2310 env
->hflags
= hflags
;
2315 #elif defined(TARGET_PPC)
2316 void cpu_save(QEMUFile
*f
, void *opaque
)
2320 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2324 #elif defined(TARGET_SPARC)
2325 void cpu_save(QEMUFile
*f
, void *opaque
)
2327 CPUState
*env
= opaque
;
2331 for(i
= 1; i
< 8; i
++)
2332 qemu_put_be32s(f
, &env
->gregs
[i
]);
2333 tmp
= env
->regwptr
- env
->regbase
;
2334 qemu_put_be32s(f
, &tmp
);
2335 for(i
= 1; i
< NWINDOWS
* 16 + 8; i
++)
2336 qemu_put_be32s(f
, &env
->regbase
[i
]);
2339 for(i
= 0; i
< 32; i
++) {
2342 cpu_get_fp64(&mant
, &exp
, env
->fpr
[i
]);
2343 qemu_put_be64(f
, mant
);
2344 qemu_put_be16(f
, exp
);
2346 qemu_put_be32s(f
, &env
->pc
);
2347 qemu_put_be32s(f
, &env
->npc
);
2348 qemu_put_be32s(f
, &env
->y
);
2350 qemu_put_be32s(f
, &tmp
);
2351 qemu_put_be32s(f
, &env
->fsr
);
2352 qemu_put_be32s(f
, &env
->cwp
);
2353 qemu_put_be32s(f
, &env
->wim
);
2354 qemu_put_be32s(f
, &env
->tbr
);
2356 for(i
= 0; i
< 16; i
++)
2357 qemu_put_be32s(f
, &env
->mmuregs
[i
]);
2360 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2362 CPUState
*env
= opaque
;
2366 for(i
= 1; i
< 8; i
++)
2367 qemu_get_be32s(f
, &env
->gregs
[i
]);
2368 qemu_get_be32s(f
, &tmp
);
2369 env
->regwptr
= env
->regbase
+ tmp
;
2370 for(i
= 1; i
< NWINDOWS
* 16 + 8; i
++)
2371 qemu_get_be32s(f
, &env
->regbase
[i
]);
2374 for(i
= 0; i
< 32; i
++) {
2378 qemu_get_be64s(f
, &mant
);
2379 qemu_get_be16s(f
, &exp
);
2380 env
->fpr
[i
] = cpu_put_fp64(mant
, exp
);
2382 qemu_get_be32s(f
, &env
->pc
);
2383 qemu_get_be32s(f
, &env
->npc
);
2384 qemu_get_be32s(f
, &env
->y
);
2385 qemu_get_be32s(f
, &tmp
);
2387 qemu_get_be32s(f
, &env
->fsr
);
2388 qemu_get_be32s(f
, &env
->cwp
);
2389 qemu_get_be32s(f
, &env
->wim
);
2390 qemu_get_be32s(f
, &env
->tbr
);
2392 for(i
= 0; i
< 16; i
++)
2393 qemu_get_be32s(f
, &env
->mmuregs
[i
]);
2399 #warning No CPU save/restore functions
2403 /***********************************************************/
2404 /* ram save/restore */
2406 /* we just avoid storing empty pages */
2407 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2412 for(i
= 1; i
< len
; i
++) {
2416 qemu_put_byte(f
, 1);
2417 qemu_put_byte(f
, v
);
2420 qemu_put_byte(f
, 0);
2421 qemu_put_buffer(f
, buf
, len
);
2424 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2428 v
= qemu_get_byte(f
);
2431 if (qemu_get_buffer(f
, buf
, len
) != len
)
2435 v
= qemu_get_byte(f
);
2436 memset(buf
, v
, len
);
2444 static void ram_save(QEMUFile
*f
, void *opaque
)
2447 qemu_put_be32(f
, phys_ram_size
);
2448 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2449 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2453 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2457 if (version_id
!= 1)
2459 if (qemu_get_be32(f
) != phys_ram_size
)
2461 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2462 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2469 /***********************************************************/
2470 /* main execution loop */
2472 void gui_update(void *opaque
)
2474 display_state
.dpy_refresh(&display_state
);
2475 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2478 /* XXX: support several handlers */
2479 VMStopHandler
*vm_stop_cb
;
2480 VMStopHandler
*vm_stop_opaque
;
2482 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2485 vm_stop_opaque
= opaque
;
2489 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2502 void vm_stop(int reason
)
2505 cpu_disable_ticks();
2509 vm_stop_cb(vm_stop_opaque
, reason
);
2515 /* reset/shutdown handler */
2517 typedef struct QEMUResetEntry
{
2518 QEMUResetHandler
*func
;
2520 struct QEMUResetEntry
*next
;
2523 static QEMUResetEntry
*first_reset_entry
;
2524 static int reset_requested
;
2525 static int shutdown_requested
;
2527 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2529 QEMUResetEntry
**pre
, *re
;
2531 pre
= &first_reset_entry
;
2532 while (*pre
!= NULL
)
2533 pre
= &(*pre
)->next
;
2534 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2536 re
->opaque
= opaque
;
2541 void qemu_system_reset(void)
2545 /* reset all devices */
2546 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2547 re
->func(re
->opaque
);
2551 void qemu_system_reset_request(void)
2553 reset_requested
= 1;
2554 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2557 void qemu_system_shutdown_request(void)
2559 shutdown_requested
= 1;
2560 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2563 static void main_cpu_reset(void *opaque
)
2565 #if defined(TARGET_I386) || defined(TARGET_SPARC)
2566 CPUState
*env
= opaque
;
2571 void main_loop_wait(int timeout
)
2574 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2575 IOHandlerRecord
*ioh
, *ioh_next
;
2585 /* poll any events */
2586 /* XXX: separate device handlers from system ones */
2588 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2589 if (!ioh
->fd_can_read
) {
2592 pf
->events
= POLLIN
;
2596 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2598 if (max_size
> sizeof(buf
))
2599 max_size
= sizeof(buf
);
2601 pf
->events
= POLLIN
;
2608 ioh
->max_size
= max_size
;
2611 ret
= poll(ufds
, pf
- ufds
, timeout
);
2613 /* XXX: better handling of removal */
2614 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2615 ioh_next
= ioh
->next
;
2618 if (pf
->revents
& POLLIN
) {
2619 if (ioh
->max_size
== 0) {
2620 /* just a read event */
2621 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2623 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2625 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2626 } else if (errno
!= EAGAIN
) {
2627 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2634 #endif /* !defined(_WIN32) */
2635 #if defined(CONFIG_SLIRP)
2636 /* XXX: merge with poll() */
2638 fd_set rfds
, wfds
, xfds
;
2646 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2649 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2651 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2657 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2658 qemu_get_clock(vm_clock
));
2659 /* run dma transfers, if any */
2663 /* real time timers */
2664 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2665 qemu_get_clock(rt_clock
));
2671 CPUState
*env
= global_env
;
2675 ret
= cpu_exec(env
);
2676 if (shutdown_requested
) {
2677 ret
= EXCP_INTERRUPT
;
2680 if (reset_requested
) {
2681 reset_requested
= 0;
2682 qemu_system_reset();
2683 ret
= EXCP_INTERRUPT
;
2685 if (ret
== EXCP_DEBUG
) {
2686 vm_stop(EXCP_DEBUG
);
2688 /* if hlt instruction, we wait until the next IRQ */
2689 /* XXX: use timeout computed from timers */
2690 if (ret
== EXCP_HLT
)
2697 main_loop_wait(timeout
);
2699 cpu_disable_ticks();
2705 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2706 "usage: %s [options] [disk_image]\n"
2708 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2710 "Standard options:\n"
2711 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2712 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2713 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2714 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2715 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2716 "-snapshot write to temporary files instead of disk image files\n"
2717 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2718 "-nographic disable graphical output and redirect serial I/Os to console\n"
2720 "-k language use keyboard layout (for example \"fr\" for French)\n"
2722 "-enable-audio enable audio support\n"
2723 "-localtime set the real time clock to local time [default=utc]\n"
2724 "-full-screen start in full screen\n"
2726 "-prep Simulate a PREP system (default is PowerMAC)\n"
2727 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2730 "Network options:\n"
2731 "-nics n simulate 'n' network cards [default=1]\n"
2732 "-macaddr addr set the mac address of the first interface\n"
2733 "-n script set tap/tun network init script [default=%s]\n"
2734 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2736 "-user-net use user mode network stack [default if no tap/tun script]\n"
2737 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2739 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2741 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2742 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2744 "-dummy-net use dummy network stack\n"
2746 "Linux boot specific:\n"
2747 "-kernel bzImage use 'bzImage' as kernel image\n"
2748 "-append cmdline use 'cmdline' as kernel command line\n"
2749 "-initrd file use 'file' as initial ram disk\n"
2751 "Debug/Expert options:\n"
2752 "-monitor dev redirect the monitor to char device 'dev'\n"
2753 "-serial dev redirect the serial port to char device 'dev'\n"
2754 "-parallel dev redirect the parallel port to char device 'dev'\n"
2755 "-pidfile file Write PID to 'file'\n"
2756 "-S freeze CPU at startup (use 'c' to start execution)\n"
2757 "-s wait gdb connection to port %d\n"
2758 "-p port change gdb connection port\n"
2759 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2760 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2761 " translation (t=none or lba) (usually qemu can guess them)\n"
2762 "-L path set the directory for the BIOS and VGA BIOS\n"
2763 #ifdef USE_CODE_COPY
2764 "-no-code-copy disable code copy acceleration\n"
2767 "-isa simulate an ISA-only system (default is PCI system)\n"
2768 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2769 " (default is CL-GD5446 PCI VGA)\n"
2771 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2773 "During emulation, the following keys are useful:\n"
2774 "ctrl-alt-f toggle full screen\n"
2775 "ctrl-alt-n switch to virtual console 'n'\n"
2776 "ctrl-alt toggle mouse and keyboard grab\n"
2778 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2780 #ifdef CONFIG_SOFTMMU
2786 DEFAULT_NETWORK_SCRIPT
,
2787 DEFAULT_GDBSTUB_PORT
,
2789 #ifndef CONFIG_SOFTMMU
2791 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2792 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2798 #define HAS_ARG 0x0001
2811 QEMU_OPTION_snapshot
,
2813 QEMU_OPTION_nographic
,
2814 QEMU_OPTION_enable_audio
,
2817 QEMU_OPTION_macaddr
,
2820 QEMU_OPTION_user_net
,
2824 QEMU_OPTION_dummy_net
,
2836 QEMU_OPTION_no_code_copy
,
2841 QEMU_OPTION_localtime
,
2842 QEMU_OPTION_cirrusvga
,
2844 QEMU_OPTION_std_vga
,
2845 QEMU_OPTION_monitor
,
2847 QEMU_OPTION_parallel
,
2849 QEMU_OPTION_full_screen
,
2850 QEMU_OPTION_pidfile
,
2853 typedef struct QEMUOption
{
2859 const QEMUOption qemu_options
[] = {
2860 { "h", 0, QEMU_OPTION_h
},
2862 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2863 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2864 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2865 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2866 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2867 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2868 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2869 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2870 { "snapshot", 0, QEMU_OPTION_snapshot
},
2871 { "m", HAS_ARG
, QEMU_OPTION_m
},
2872 { "nographic", 0, QEMU_OPTION_nographic
},
2873 { "k", HAS_ARG
, QEMU_OPTION_k
},
2874 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2876 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2877 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2878 { "n", HAS_ARG
, QEMU_OPTION_n
},
2879 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2881 { "user-net", 0, QEMU_OPTION_user_net
},
2882 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
2884 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
2886 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
2888 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2890 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2891 { "append", HAS_ARG
, QEMU_OPTION_append
},
2892 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2894 { "S", 0, QEMU_OPTION_S
},
2895 { "s", 0, QEMU_OPTION_s
},
2896 { "p", HAS_ARG
, QEMU_OPTION_p
},
2897 { "d", HAS_ARG
, QEMU_OPTION_d
},
2898 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2899 { "L", HAS_ARG
, QEMU_OPTION_L
},
2900 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2902 { "prep", 0, QEMU_OPTION_prep
},
2903 { "g", 1, QEMU_OPTION_g
},
2905 { "localtime", 0, QEMU_OPTION_localtime
},
2906 { "isa", 0, QEMU_OPTION_isa
},
2907 { "std-vga", 0, QEMU_OPTION_std_vga
},
2908 { "monitor", 1, QEMU_OPTION_monitor
},
2909 { "serial", 1, QEMU_OPTION_serial
},
2910 { "parallel", 1, QEMU_OPTION_parallel
},
2911 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
2912 { "full-screen", 0, QEMU_OPTION_full_screen
},
2913 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
2915 /* temporary options */
2916 { "pci", 0, QEMU_OPTION_pci
},
2917 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2921 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2923 /* this stack is only used during signal handling */
2924 #define SIGNAL_STACK_SIZE 32768
2926 static uint8_t *signal_stack
;
2930 /* password input */
2932 static BlockDriverState
*get_bdrv(int index
)
2934 BlockDriverState
*bs
;
2937 bs
= bs_table
[index
];
2938 } else if (index
< 6) {
2939 bs
= fd_table
[index
- 4];
2946 static void read_passwords(void)
2948 BlockDriverState
*bs
;
2952 for(i
= 0; i
< 6; i
++) {
2954 if (bs
&& bdrv_is_encrypted(bs
)) {
2955 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2956 for(j
= 0; j
< 3; j
++) {
2957 monitor_readline("Password: ",
2958 1, password
, sizeof(password
));
2959 if (bdrv_set_key(bs
, password
) == 0)
2961 term_printf("invalid password\n");
2967 #define NET_IF_TUN 0
2968 #define NET_IF_USER 1
2969 #define NET_IF_DUMMY 2
2971 int main(int argc
, char **argv
)
2973 #ifdef CONFIG_GDBSTUB
2974 int use_gdbstub
, gdbstub_port
;
2977 int snapshot
, linux_boot
;
2979 const char *initrd_filename
;
2980 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2981 const char *kernel_filename
, *kernel_cmdline
;
2982 DisplayState
*ds
= &display_state
;
2983 int cyls
, heads
, secs
, translation
;
2984 int start_emulation
= 1;
2986 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2988 const char *r
, *optarg
;
2989 CharDriverState
*monitor_hd
;
2990 char monitor_device
[128];
2991 char serial_devices
[MAX_SERIAL_PORTS
][128];
2992 int serial_device_index
;
2993 char parallel_devices
[MAX_PARALLEL_PORTS
][128];
2994 int parallel_device_index
;
2995 const char *loadvm
= NULL
;
2997 #if !defined(CONFIG_SOFTMMU)
2998 /* we never want that malloc() uses mmap() */
2999 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
3001 initrd_filename
= NULL
;
3002 for(i
= 0; i
< MAX_FD
; i
++)
3003 fd_filename
[i
] = NULL
;
3004 for(i
= 0; i
< MAX_DISKS
; i
++)
3005 hd_filename
[i
] = NULL
;
3006 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3007 vga_ram_size
= VGA_RAM_SIZE
;
3008 bios_size
= BIOS_SIZE
;
3009 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
3010 #ifdef CONFIG_GDBSTUB
3012 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
3016 kernel_filename
= NULL
;
3017 kernel_cmdline
= "";
3019 cyls
= heads
= secs
= 0;
3020 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3021 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
3023 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
3024 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
3025 serial_devices
[i
][0] = '\0';
3026 serial_device_index
= 0;
3028 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "vc");
3029 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
3030 parallel_devices
[i
][0] = '\0';
3031 parallel_device_index
= 0;
3036 /* default mac address of the first network interface */
3050 hd_filename
[0] = argv
[optind
++];
3052 const QEMUOption
*popt
;
3055 popt
= qemu_options
;
3058 fprintf(stderr
, "%s: invalid option -- '%s'\n",
3062 if (!strcmp(popt
->name
, r
+ 1))
3066 if (popt
->flags
& HAS_ARG
) {
3067 if (optind
>= argc
) {
3068 fprintf(stderr
, "%s: option '%s' requires an argument\n",
3072 optarg
= argv
[optind
++];
3077 switch(popt
->index
) {
3078 case QEMU_OPTION_initrd
:
3079 initrd_filename
= optarg
;
3081 case QEMU_OPTION_hda
:
3082 hd_filename
[0] = optarg
;
3084 case QEMU_OPTION_hdb
:
3085 hd_filename
[1] = optarg
;
3087 case QEMU_OPTION_snapshot
:
3090 case QEMU_OPTION_hdachs
:
3094 cyls
= strtol(p
, (char **)&p
, 0);
3095 if (cyls
< 1 || cyls
> 16383)
3100 heads
= strtol(p
, (char **)&p
, 0);
3101 if (heads
< 1 || heads
> 16)
3106 secs
= strtol(p
, (char **)&p
, 0);
3107 if (secs
< 1 || secs
> 63)
3111 if (!strcmp(p
, "none"))
3112 translation
= BIOS_ATA_TRANSLATION_NONE
;
3113 else if (!strcmp(p
, "lba"))
3114 translation
= BIOS_ATA_TRANSLATION_LBA
;
3115 else if (!strcmp(p
, "auto"))
3116 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3119 } else if (*p
!= '\0') {
3121 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3126 case QEMU_OPTION_nographic
:
3127 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
3128 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
3129 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "stdio");
3132 case QEMU_OPTION_kernel
:
3133 kernel_filename
= optarg
;
3135 case QEMU_OPTION_append
:
3136 kernel_cmdline
= optarg
;
3138 case QEMU_OPTION_tun_fd
:
3142 net_if_type
= NET_IF_TUN
;
3143 if (nb_tun_fds
< MAX_NICS
) {
3144 fd
= strtol(optarg
, (char **)&p
, 0);
3146 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
3149 tun_fds
[nb_tun_fds
++] = fd
;
3153 case QEMU_OPTION_hdc
:
3154 hd_filename
[2] = optarg
;
3157 case QEMU_OPTION_hdd
:
3158 hd_filename
[3] = optarg
;
3160 case QEMU_OPTION_cdrom
:
3161 hd_filename
[2] = optarg
;
3164 case QEMU_OPTION_boot
:
3165 boot_device
= optarg
[0];
3166 if (boot_device
!= 'a' &&
3167 boot_device
!= 'c' && boot_device
!= 'd') {
3168 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
3172 case QEMU_OPTION_fda
:
3173 fd_filename
[0] = optarg
;
3175 case QEMU_OPTION_fdb
:
3176 fd_filename
[1] = optarg
;
3178 case QEMU_OPTION_no_code_copy
:
3179 code_copy_enabled
= 0;
3181 case QEMU_OPTION_nics
:
3182 nb_nics
= atoi(optarg
);
3183 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
3184 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
3188 case QEMU_OPTION_macaddr
:
3193 for(i
= 0; i
< 6; i
++) {
3194 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3201 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
3210 case QEMU_OPTION_tftp
:
3211 tftp_prefix
= optarg
;
3214 case QEMU_OPTION_smb
:
3215 net_slirp_smb(optarg
);
3218 case QEMU_OPTION_user_net
:
3219 net_if_type
= NET_IF_USER
;
3221 case QEMU_OPTION_redir
:
3222 net_slirp_redir(optarg
);
3225 case QEMU_OPTION_dummy_net
:
3226 net_if_type
= NET_IF_DUMMY
;
3228 case QEMU_OPTION_enable_audio
:
3235 ram_size
= atoi(optarg
) * 1024 * 1024;
3238 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
3239 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
3240 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
3249 mask
= cpu_str_to_log_mask(optarg
);
3251 printf("Log items (comma separated):\n");
3252 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3253 printf("%-10s %s\n", item
->name
, item
->help
);
3261 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3263 #ifdef CONFIG_GDBSTUB
3268 gdbstub_port
= atoi(optarg
);
3275 start_emulation
= 0;
3277 case QEMU_OPTION_pci
:
3280 case QEMU_OPTION_isa
:
3283 case QEMU_OPTION_prep
:
3287 keyboard_layout
= optarg
;
3289 case QEMU_OPTION_localtime
:
3292 case QEMU_OPTION_cirrusvga
:
3293 cirrus_vga_enabled
= 1;
3295 case QEMU_OPTION_std_vga
:
3296 cirrus_vga_enabled
= 0;
3303 w
= strtol(p
, (char **)&p
, 10);
3306 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3312 h
= strtol(p
, (char **)&p
, 10);
3317 depth
= strtol(p
, (char **)&p
, 10);
3318 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3319 depth
!= 24 && depth
!= 32)
3321 } else if (*p
== '\0') {
3322 depth
= graphic_depth
;
3329 graphic_depth
= depth
;
3332 case QEMU_OPTION_monitor
:
3333 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3335 case QEMU_OPTION_serial
:
3336 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3337 fprintf(stderr
, "qemu: too many serial ports\n");
3340 pstrcpy(serial_devices
[serial_device_index
],
3341 sizeof(serial_devices
[0]), optarg
);
3342 serial_device_index
++;
3344 case QEMU_OPTION_parallel
:
3345 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
3346 fprintf(stderr
, "qemu: too many parallel ports\n");
3349 pstrcpy(parallel_devices
[parallel_device_index
],
3350 sizeof(parallel_devices
[0]), optarg
);
3351 parallel_device_index
++;
3353 case QEMU_OPTION_loadvm
:
3356 case QEMU_OPTION_full_screen
:
3359 case QEMU_OPTION_pidfile
:
3360 create_pidfile(optarg
);
3366 linux_boot
= (kernel_filename
!= NULL
);
3368 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
3369 fd_filename
[0] == '\0')
3372 /* boot to cd by default if no hard disk */
3373 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3374 if (fd_filename
[0] != '\0')
3380 #if !defined(CONFIG_SOFTMMU)
3381 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3383 static uint8_t stdout_buf
[4096];
3384 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3387 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3390 /* init host network redirectors */
3391 if (net_if_type
== -1) {
3392 net_if_type
= NET_IF_TUN
;
3393 #if defined(CONFIG_SLIRP)
3394 if (access(network_script
, R_OK
) < 0) {
3395 net_if_type
= NET_IF_USER
;
3400 for(i
= 0; i
< nb_nics
; i
++) {
3401 NetDriverState
*nd
= &nd_table
[i
];
3403 /* init virtual mac address */
3404 nd
->macaddr
[0] = macaddr
[0];
3405 nd
->macaddr
[1] = macaddr
[1];
3406 nd
->macaddr
[2] = macaddr
[2];
3407 nd
->macaddr
[3] = macaddr
[3];
3408 nd
->macaddr
[4] = macaddr
[4];
3409 nd
->macaddr
[5] = macaddr
[5] + i
;
3410 switch(net_if_type
) {
3411 #if defined(CONFIG_SLIRP)
3416 #if !defined(_WIN32)
3418 if (i
< nb_tun_fds
) {
3419 net_fd_init(nd
, tun_fds
[i
]);
3421 if (net_tun_init(nd
) < 0)
3433 /* init the memory */
3434 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3436 #ifdef CONFIG_SOFTMMU
3438 /* mallocs are always aligned on BSD. valloc is better for correctness */
3439 phys_ram_base
= valloc(phys_ram_size
);
3441 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
3443 if (!phys_ram_base
) {
3444 fprintf(stderr
, "Could not allocate physical memory\n");
3448 /* as we must map the same page at several addresses, we must use
3453 tmpdir
= getenv("QEMU_TMPDIR");
3456 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3457 if (mkstemp(phys_ram_file
) < 0) {
3458 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3462 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3463 if (phys_ram_fd
< 0) {
3464 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3468 ftruncate(phys_ram_fd
, phys_ram_size
);
3469 unlink(phys_ram_file
);
3470 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3472 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3474 if (phys_ram_base
== MAP_FAILED
) {
3475 fprintf(stderr
, "Could not map physical memory\n");
3481 /* we always create the cdrom drive, even if no disk is there */
3484 bs_table
[2] = bdrv_new("cdrom");
3485 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
3488 /* open the virtual block devices */
3489 for(i
= 0; i
< MAX_DISKS
; i
++) {
3490 if (hd_filename
[i
]) {
3493 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3494 bs_table
[i
] = bdrv_new(buf
);
3496 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3497 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3501 if (i
== 0 && cyls
!= 0) {
3502 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3503 bdrv_set_translation_hint(bs_table
[i
], translation
);
3508 /* we always create at least one floppy disk */
3509 fd_table
[0] = bdrv_new("fda");
3510 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3512 for(i
= 0; i
< MAX_FD
; i
++) {
3513 if (fd_filename
[i
]) {
3516 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3517 fd_table
[i
] = bdrv_new(buf
);
3518 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3520 if (fd_filename
[i
] != '\0') {
3521 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3522 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3530 /* init CPU state */
3533 cpu_single_env
= env
;
3535 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3536 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
3537 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3538 qemu_register_reset(main_cpu_reset
, global_env
);
3541 cpu_calibrate_ticks();
3545 dumb_display_init(ds
);
3548 sdl_display_init(ds
, full_screen
);
3550 dumb_display_init(ds
);
3554 vga_console
= graphic_console_init(ds
);
3556 monitor_hd
= qemu_chr_open(monitor_device
);
3558 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3561 monitor_init(monitor_hd
, !nographic
);
3563 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3564 if (serial_devices
[i
][0] != '\0') {
3565 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3566 if (!serial_hds
[i
]) {
3567 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3571 if (!strcmp(serial_devices
[i
], "vc"))
3572 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3576 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
3577 if (parallel_devices
[i
][0] != '\0') {
3578 parallel_hds
[i
] = qemu_chr_open(parallel_devices
[i
]);
3579 if (!parallel_hds
[i
]) {
3580 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
3581 parallel_devices
[i
]);
3584 if (!strcmp(parallel_devices
[i
], "vc"))
3585 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\n", i
);
3589 /* setup cpu signal handlers for MMU / self modifying code handling */
3590 #if !defined(CONFIG_SOFTMMU)
3592 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3595 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3596 stk
.ss_sp
= signal_stack
;
3597 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3600 if (sigaltstack(&stk
, NULL
) < 0) {
3601 perror("sigaltstack");
3607 struct sigaction act
;
3609 sigfillset(&act
.sa_mask
);
3610 act
.sa_flags
= SA_SIGINFO
;
3611 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3612 act
.sa_flags
|= SA_ONSTACK
;
3614 act
.sa_sigaction
= host_segv_handler
;
3615 sigaction(SIGSEGV
, &act
, NULL
);
3616 sigaction(SIGBUS
, &act
, NULL
);
3617 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3618 sigaction(SIGFPE
, &act
, NULL
);
3625 struct sigaction act
;
3626 sigfillset(&act
.sa_mask
);
3628 act
.sa_handler
= SIG_IGN
;
3629 sigaction(SIGPIPE
, &act
, NULL
);
3634 #if defined(TARGET_I386)
3635 pc_init(ram_size
, vga_ram_size
, boot_device
,
3636 ds
, fd_filename
, snapshot
,
3637 kernel_filename
, kernel_cmdline
, initrd_filename
);
3638 #elif defined(TARGET_PPC)
3639 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3640 ds
, fd_filename
, snapshot
,
3641 kernel_filename
, kernel_cmdline
, initrd_filename
);
3642 #elif defined(TARGET_SPARC)
3643 sun4m_init(ram_size
, vga_ram_size
, boot_device
,
3644 ds
, fd_filename
, snapshot
,
3645 kernel_filename
, kernel_cmdline
, initrd_filename
);
3648 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3649 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3651 #ifdef CONFIG_GDBSTUB
3653 if (gdbserver_start(gdbstub_port
) < 0) {
3654 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3658 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3663 qemu_loadvm(loadvm
);
3666 /* XXX: simplify init */
3668 if (start_emulation
) {