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
];
140 /***********************************************************/
141 /* x86 ISA bus support */
143 target_phys_addr_t isa_mem_base
= 0;
145 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
147 #ifdef DEBUG_UNUSED_IOPORT
148 fprintf(stderr
, "inb: port=0x%04x\n", address
);
153 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
155 #ifdef DEBUG_UNUSED_IOPORT
156 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
160 /* default is to make two byte accesses */
161 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
164 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
165 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
166 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
170 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
172 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
173 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
174 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
177 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
179 #ifdef DEBUG_UNUSED_IOPORT
180 fprintf(stderr
, "inl: port=0x%04x\n", address
);
185 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
187 #ifdef DEBUG_UNUSED_IOPORT
188 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
192 void init_ioports(void)
196 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
197 ioport_read_table
[0][i
] = default_ioport_readb
;
198 ioport_write_table
[0][i
] = default_ioport_writeb
;
199 ioport_read_table
[1][i
] = default_ioport_readw
;
200 ioport_write_table
[1][i
] = default_ioport_writew
;
201 ioport_read_table
[2][i
] = default_ioport_readl
;
202 ioport_write_table
[2][i
] = default_ioport_writel
;
206 /* size is the word size in byte */
207 int register_ioport_read(int start
, int length
, int size
,
208 IOPortReadFunc
*func
, void *opaque
)
214 } else if (size
== 2) {
216 } else if (size
== 4) {
219 hw_error("register_ioport_read: invalid size");
222 for(i
= start
; i
< start
+ length
; i
+= size
) {
223 ioport_read_table
[bsize
][i
] = func
;
224 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
225 hw_error("register_ioport_read: invalid opaque");
226 ioport_opaque
[i
] = opaque
;
231 /* size is the word size in byte */
232 int register_ioport_write(int start
, int length
, int size
,
233 IOPortWriteFunc
*func
, void *opaque
)
239 } else if (size
== 2) {
241 } else if (size
== 4) {
244 hw_error("register_ioport_write: invalid size");
247 for(i
= start
; i
< start
+ length
; i
+= size
) {
248 ioport_write_table
[bsize
][i
] = func
;
249 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
250 hw_error("register_ioport_read: invalid opaque");
251 ioport_opaque
[i
] = opaque
;
256 void isa_unassign_ioport(int start
, int length
)
260 for(i
= start
; i
< start
+ length
; i
++) {
261 ioport_read_table
[0][i
] = default_ioport_readb
;
262 ioport_read_table
[1][i
] = default_ioport_readw
;
263 ioport_read_table
[2][i
] = default_ioport_readl
;
265 ioport_write_table
[0][i
] = default_ioport_writeb
;
266 ioport_write_table
[1][i
] = default_ioport_writew
;
267 ioport_write_table
[2][i
] = default_ioport_writel
;
271 /***********************************************************/
273 void pstrcpy(char *buf
, int buf_size
, const char *str
)
283 if (c
== 0 || q
>= buf
+ buf_size
- 1)
290 /* strcat and truncate. */
291 char *pstrcat(char *buf
, int buf_size
, const char *s
)
296 pstrcpy(buf
+ len
, buf_size
- len
, s
);
300 int strstart(const char *str
, const char *val
, const char **ptr
)
316 /* return the size or -1 if error */
317 int get_image_size(const char *filename
)
320 fd
= open(filename
, O_RDONLY
| O_BINARY
);
323 size
= lseek(fd
, 0, SEEK_END
);
328 /* return the size or -1 if error */
329 int load_image(const char *filename
, uint8_t *addr
)
332 fd
= open(filename
, O_RDONLY
| O_BINARY
);
335 size
= lseek(fd
, 0, SEEK_END
);
336 lseek(fd
, 0, SEEK_SET
);
337 if (read(fd
, addr
, size
) != size
) {
345 void cpu_outb(CPUState
*env
, int addr
, int val
)
348 if (loglevel
& CPU_LOG_IOPORT
)
349 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
351 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
354 void cpu_outw(CPUState
*env
, int addr
, int val
)
357 if (loglevel
& CPU_LOG_IOPORT
)
358 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
360 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
363 void cpu_outl(CPUState
*env
, int addr
, int val
)
366 if (loglevel
& CPU_LOG_IOPORT
)
367 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
369 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
372 int cpu_inb(CPUState
*env
, int addr
)
375 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
377 if (loglevel
& CPU_LOG_IOPORT
)
378 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
383 int cpu_inw(CPUState
*env
, int addr
)
386 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
388 if (loglevel
& CPU_LOG_IOPORT
)
389 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
394 int cpu_inl(CPUState
*env
, int addr
)
397 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
399 if (loglevel
& CPU_LOG_IOPORT
)
400 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
405 /***********************************************************/
406 void hw_error(const char *fmt
, ...)
411 fprintf(stderr
, "qemu: hardware error: ");
412 vfprintf(stderr
, fmt
, ap
);
413 fprintf(stderr
, "\n");
415 cpu_dump_state(global_env
, stderr
, fprintf
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
417 cpu_dump_state(global_env
, stderr
, fprintf
, 0);
423 /***********************************************************/
426 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
427 static void *qemu_put_kbd_event_opaque
;
428 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
429 static void *qemu_put_mouse_event_opaque
;
431 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
433 qemu_put_kbd_event_opaque
= opaque
;
434 qemu_put_kbd_event
= func
;
437 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
439 qemu_put_mouse_event_opaque
= opaque
;
440 qemu_put_mouse_event
= func
;
443 void kbd_put_keycode(int keycode
)
445 if (qemu_put_kbd_event
) {
446 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
450 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
452 if (qemu_put_mouse_event
) {
453 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
454 dx
, dy
, dz
, buttons_state
);
458 /***********************************************************/
461 #if defined(__powerpc__)
463 static inline uint32_t get_tbl(void)
466 asm volatile("mftb %0" : "=r" (tbl
));
470 static inline uint32_t get_tbu(void)
473 asm volatile("mftbu %0" : "=r" (tbl
));
477 int64_t cpu_get_real_ticks(void)
480 /* NOTE: we test if wrapping has occurred */
486 return ((int64_t)h
<< 32) | l
;
489 #elif defined(__i386__)
491 int64_t cpu_get_real_ticks(void)
494 asm volatile ("rdtsc" : "=A" (val
));
498 #elif defined(__x86_64__)
500 int64_t cpu_get_real_ticks(void)
504 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
512 #error unsupported CPU
515 static int64_t cpu_ticks_offset
;
516 static int cpu_ticks_enabled
;
518 static inline int64_t cpu_get_ticks(void)
520 if (!cpu_ticks_enabled
) {
521 return cpu_ticks_offset
;
523 return cpu_get_real_ticks() + cpu_ticks_offset
;
527 /* enable cpu_get_ticks() */
528 void cpu_enable_ticks(void)
530 if (!cpu_ticks_enabled
) {
531 cpu_ticks_offset
-= cpu_get_real_ticks();
532 cpu_ticks_enabled
= 1;
536 /* disable cpu_get_ticks() : the clock is stopped. You must not call
537 cpu_get_ticks() after that. */
538 void cpu_disable_ticks(void)
540 if (cpu_ticks_enabled
) {
541 cpu_ticks_offset
= cpu_get_ticks();
542 cpu_ticks_enabled
= 0;
546 static int64_t get_clock(void)
551 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
554 gettimeofday(&tv
, NULL
);
555 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
559 void cpu_calibrate_ticks(void)
564 ticks
= cpu_get_real_ticks();
570 usec
= get_clock() - usec
;
571 ticks
= cpu_get_real_ticks() - ticks
;
572 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
575 /* compute with 96 bit intermediate result: (a*b)/c */
576 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
581 #ifdef WORDS_BIGENDIAN
591 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
592 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
595 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
599 #define QEMU_TIMER_REALTIME 0
600 #define QEMU_TIMER_VIRTUAL 1
604 /* XXX: add frequency */
612 struct QEMUTimer
*next
;
618 static QEMUTimer
*active_timers
[2];
620 static MMRESULT timerID
;
622 /* frequency of the times() clock tick */
623 static int timer_freq
;
626 QEMUClock
*qemu_new_clock(int type
)
629 clock
= qemu_mallocz(sizeof(QEMUClock
));
636 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
640 ts
= qemu_mallocz(sizeof(QEMUTimer
));
647 void qemu_free_timer(QEMUTimer
*ts
)
652 /* stop a timer, but do not dealloc it */
653 void qemu_del_timer(QEMUTimer
*ts
)
657 /* NOTE: this code must be signal safe because
658 qemu_timer_expired() can be called from a signal. */
659 pt
= &active_timers
[ts
->clock
->type
];
672 /* modify the current timer so that it will be fired when current_time
673 >= expire_time. The corresponding callback will be called. */
674 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
680 /* add the timer in the sorted list */
681 /* NOTE: this code must be signal safe because
682 qemu_timer_expired() can be called from a signal. */
683 pt
= &active_timers
[ts
->clock
->type
];
688 if (t
->expire_time
> expire_time
)
692 ts
->expire_time
= expire_time
;
697 int qemu_timer_pending(QEMUTimer
*ts
)
700 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
707 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
711 return (timer_head
->expire_time
<= current_time
);
714 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
720 if (!ts
|| ts
->expire_time
> current_time
)
722 /* remove timer from the list before calling the callback */
723 *ptimer_head
= ts
->next
;
726 /* run the callback (the timer list can be modified) */
731 int64_t qemu_get_clock(QEMUClock
*clock
)
733 switch(clock
->type
) {
734 case QEMU_TIMER_REALTIME
:
736 return GetTickCount();
741 /* Note that using gettimeofday() is not a good solution
742 for timers because its value change when the date is
744 if (timer_freq
== 100) {
745 return times(&tp
) * 10;
747 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
752 case QEMU_TIMER_VIRTUAL
:
753 return cpu_get_ticks();
758 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
760 uint64_t expire_time
;
762 if (qemu_timer_pending(ts
)) {
763 expire_time
= ts
->expire_time
;
767 qemu_put_be64(f
, expire_time
);
770 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
772 uint64_t expire_time
;
774 expire_time
= qemu_get_be64(f
);
775 if (expire_time
!= -1) {
776 qemu_mod_timer(ts
, expire_time
);
782 static void timer_save(QEMUFile
*f
, void *opaque
)
784 if (cpu_ticks_enabled
) {
785 hw_error("cannot save state if virtual timers are running");
787 qemu_put_be64s(f
, &cpu_ticks_offset
);
788 qemu_put_be64s(f
, &ticks_per_sec
);
791 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
795 if (cpu_ticks_enabled
) {
798 qemu_get_be64s(f
, &cpu_ticks_offset
);
799 qemu_get_be64s(f
, &ticks_per_sec
);
804 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
805 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
807 static void host_alarm_handler(int host_signum
)
811 #define DISP_FREQ 1000
813 static int64_t delta_min
= INT64_MAX
;
814 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
816 ti
= qemu_get_clock(vm_clock
);
817 if (last_clock
!= 0) {
818 delta
= ti
- last_clock
;
819 if (delta
< delta_min
)
821 if (delta
> delta_max
)
824 if (++count
== DISP_FREQ
) {
825 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
826 muldiv64(delta_min
, 1000000, ticks_per_sec
),
827 muldiv64(delta_max
, 1000000, ticks_per_sec
),
828 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
829 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
831 delta_min
= INT64_MAX
;
839 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
840 qemu_get_clock(vm_clock
)) ||
841 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
842 qemu_get_clock(rt_clock
))) {
843 /* stop the cpu because a timer occured */
844 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
850 #if defined(__linux__)
852 #define RTC_FREQ 1024
856 static int start_rtc_timer(void)
858 rtc_fd
= open("/dev/rtc", O_RDONLY
);
861 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
862 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
863 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
864 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
867 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
872 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
878 static int start_rtc_timer(void)
883 #endif /* !defined(__linux__) */
885 #endif /* !defined(_WIN32) */
887 static void init_timers(void)
889 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
890 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
895 timerID
= timeSetEvent(10, // interval (ms)
897 host_alarm_handler
, // function
898 (DWORD
)&count
, // user parameter
899 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
901 perror("failed timer alarm");
905 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
908 struct sigaction act
;
909 struct itimerval itv
;
911 /* get times() syscall frequency */
912 timer_freq
= sysconf(_SC_CLK_TCK
);
915 sigfillset(&act
.sa_mask
);
917 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
918 act
.sa_flags
|= SA_ONSTACK
;
920 act
.sa_handler
= host_alarm_handler
;
921 sigaction(SIGALRM
, &act
, NULL
);
923 itv
.it_interval
.tv_sec
= 0;
924 itv
.it_interval
.tv_usec
= 1000;
925 itv
.it_value
.tv_sec
= 0;
926 itv
.it_value
.tv_usec
= 10 * 1000;
927 setitimer(ITIMER_REAL
, &itv
, NULL
);
928 /* we probe the tick duration of the kernel to inform the user if
929 the emulated kernel requested a too high timer frequency */
930 getitimer(ITIMER_REAL
, &itv
);
932 #if defined(__linux__)
933 if (itv
.it_interval
.tv_usec
> 1000) {
934 /* try to use /dev/rtc to have a faster timer */
935 if (start_rtc_timer() < 0)
938 itv
.it_interval
.tv_sec
= 0;
939 itv
.it_interval
.tv_usec
= 0;
940 itv
.it_value
.tv_sec
= 0;
941 itv
.it_value
.tv_usec
= 0;
942 setitimer(ITIMER_REAL
, &itv
, NULL
);
945 sigaction(SIGIO
, &act
, NULL
);
946 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
947 fcntl(rtc_fd
, F_SETOWN
, getpid());
949 #endif /* defined(__linux__) */
952 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
959 void quit_timers(void)
962 timeKillEvent(timerID
);
966 /***********************************************************/
967 /* character device */
969 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
971 return s
->chr_write(s
, buf
, len
);
974 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
979 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
980 qemu_chr_write(s
, buf
, strlen(buf
));
984 void qemu_chr_send_event(CharDriverState
*s
, int event
)
986 if (s
->chr_send_event
)
987 s
->chr_send_event(s
, event
);
990 void qemu_chr_add_read_handler(CharDriverState
*s
,
991 IOCanRWHandler
*fd_can_read
,
992 IOReadHandler
*fd_read
, void *opaque
)
994 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
997 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
999 s
->chr_event
= chr_event
;
1002 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1007 static void null_chr_add_read_handler(CharDriverState
*chr
,
1008 IOCanRWHandler
*fd_can_read
,
1009 IOReadHandler
*fd_read
, void *opaque
)
1013 CharDriverState
*qemu_chr_open_null(void)
1015 CharDriverState
*chr
;
1017 chr
= qemu_mallocz(sizeof(CharDriverState
));
1020 chr
->chr_write
= null_chr_write
;
1021 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1029 /* for nographic stdio only */
1030 IOCanRWHandler
*fd_can_read
;
1031 IOReadHandler
*fd_read
;
1035 #define STDIO_MAX_CLIENTS 2
1037 static int stdio_nb_clients
;
1038 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1040 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1046 ret
= write(fd
, buf
, len
);
1048 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1050 } else if (ret
== 0) {
1060 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1062 FDCharDriver
*s
= chr
->opaque
;
1063 return unix_write(s
->fd_out
, buf
, len
);
1066 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1067 IOCanRWHandler
*fd_can_read
,
1068 IOReadHandler
*fd_read
, void *opaque
)
1070 FDCharDriver
*s
= chr
->opaque
;
1072 if (nographic
&& s
->fd_in
== 0) {
1073 s
->fd_can_read
= fd_can_read
;
1074 s
->fd_read
= fd_read
;
1075 s
->fd_opaque
= opaque
;
1077 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1081 /* open a character device to a unix fd */
1082 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1084 CharDriverState
*chr
;
1087 chr
= qemu_mallocz(sizeof(CharDriverState
));
1090 s
= qemu_mallocz(sizeof(FDCharDriver
));
1098 chr
->chr_write
= fd_chr_write
;
1099 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1103 /* for STDIO, we handle the case where several clients use it
1106 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1108 static int term_got_escape
, client_index
;
1110 void term_print_help(void)
1113 "C-a h print this help\n"
1114 "C-a x exit emulator\n"
1115 "C-a s save disk data back to file (if -snapshot)\n"
1116 "C-a b send break (magic sysrq)\n"
1117 "C-a c switch between console and monitor\n"
1118 "C-a C-a send C-a\n"
1122 /* called when a char is received */
1123 static void stdio_received_byte(int ch
)
1125 if (term_got_escape
) {
1126 term_got_escape
= 0;
1137 for (i
= 0; i
< MAX_DISKS
; i
++) {
1139 bdrv_commit(bs_table
[i
]);
1144 if (client_index
< stdio_nb_clients
) {
1145 CharDriverState
*chr
;
1148 chr
= stdio_clients
[client_index
];
1150 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1155 if (client_index
>= stdio_nb_clients
)
1157 if (client_index
== 0) {
1158 /* send a new line in the monitor to get the prompt */
1166 } else if (ch
== TERM_ESCAPE
) {
1167 term_got_escape
= 1;
1170 if (client_index
< stdio_nb_clients
) {
1172 CharDriverState
*chr
;
1175 chr
= stdio_clients
[client_index
];
1178 /* XXX: should queue the char if the device is not
1180 if (s
->fd_can_read(s
->fd_opaque
) > 0)
1181 s
->fd_read(s
->fd_opaque
, buf
, 1);
1186 static int stdio_can_read(void *opaque
)
1188 /* XXX: not strictly correct */
1192 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1195 for(i
= 0; i
< size
; i
++)
1196 stdio_received_byte(buf
[i
]);
1199 /* init terminal so that we can grab keys */
1200 static struct termios oldtty
;
1201 static int old_fd0_flags
;
1203 static void term_exit(void)
1205 tcsetattr (0, TCSANOW
, &oldtty
);
1206 fcntl(0, F_SETFL
, old_fd0_flags
);
1209 static void term_init(void)
1213 tcgetattr (0, &tty
);
1215 old_fd0_flags
= fcntl(0, F_GETFL
);
1217 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1218 |INLCR
|IGNCR
|ICRNL
|IXON
);
1219 tty
.c_oflag
|= OPOST
;
1220 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1221 /* if graphical mode, we allow Ctrl-C handling */
1223 tty
.c_lflag
&= ~ISIG
;
1224 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1227 tty
.c_cc
[VTIME
] = 0;
1229 tcsetattr (0, TCSANOW
, &tty
);
1233 fcntl(0, F_SETFL
, O_NONBLOCK
);
1236 CharDriverState
*qemu_chr_open_stdio(void)
1238 CharDriverState
*chr
;
1241 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1243 chr
= qemu_chr_open_fd(0, 1);
1244 if (stdio_nb_clients
== 0)
1245 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1246 client_index
= stdio_nb_clients
;
1248 if (stdio_nb_clients
!= 0)
1250 chr
= qemu_chr_open_fd(0, 1);
1252 stdio_clients
[stdio_nb_clients
++] = chr
;
1253 if (stdio_nb_clients
== 1) {
1254 /* set the terminal in raw mode */
1260 #if defined(__linux__)
1261 CharDriverState
*qemu_chr_open_pty(void)
1263 char slave_name
[1024];
1264 int master_fd
, slave_fd
;
1266 /* Not satisfying */
1267 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1270 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1271 return qemu_chr_open_fd(master_fd
, master_fd
);
1274 CharDriverState
*qemu_chr_open_pty(void)
1280 #endif /* !defined(_WIN32) */
1282 CharDriverState
*qemu_chr_open(const char *filename
)
1284 if (!strcmp(filename
, "vc")) {
1285 return text_console_init(&display_state
);
1286 } else if (!strcmp(filename
, "null")) {
1287 return qemu_chr_open_null();
1290 if (!strcmp(filename
, "pty")) {
1291 return qemu_chr_open_pty();
1292 } else if (!strcmp(filename
, "stdio")) {
1293 return qemu_chr_open_stdio();
1301 /***********************************************************/
1302 /* Linux network device redirectors */
1304 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1308 for(i
=0;i
<size
;i
+=16) {
1312 fprintf(f
, "%08x ", i
);
1315 fprintf(f
, " %02x", buf
[i
+j
]);
1320 for(j
=0;j
<len
;j
++) {
1322 if (c
< ' ' || c
> '~')
1324 fprintf(f
, "%c", c
);
1330 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1332 nd
->send_packet(nd
, buf
, size
);
1335 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1336 IOReadHandler
*fd_read
, void *opaque
)
1338 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1341 /* dummy network adapter */
1343 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1347 static void dummy_add_read_packet(NetDriverState
*nd
,
1348 IOCanRWHandler
*fd_can_read
,
1349 IOReadHandler
*fd_read
, void *opaque
)
1353 static int net_dummy_init(NetDriverState
*nd
)
1355 nd
->send_packet
= dummy_send_packet
;
1356 nd
->add_read_packet
= dummy_add_read_packet
;
1357 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1361 #if defined(CONFIG_SLIRP)
1363 /* slirp network adapter */
1365 static void *slirp_fd_opaque
;
1366 static IOCanRWHandler
*slirp_fd_can_read
;
1367 static IOReadHandler
*slirp_fd_read
;
1368 static int slirp_inited
;
1370 int slirp_can_output(void)
1372 return slirp_fd_can_read(slirp_fd_opaque
);
1375 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1378 printf("output:\n");
1379 hex_dump(stdout
, pkt
, pkt_len
);
1381 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1384 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1388 hex_dump(stdout
, buf
, size
);
1390 slirp_input(buf
, size
);
1393 static void slirp_add_read_packet(NetDriverState
*nd
,
1394 IOCanRWHandler
*fd_can_read
,
1395 IOReadHandler
*fd_read
, void *opaque
)
1397 slirp_fd_opaque
= opaque
;
1398 slirp_fd_can_read
= fd_can_read
;
1399 slirp_fd_read
= fd_read
;
1402 static int net_slirp_init(NetDriverState
*nd
)
1404 if (!slirp_inited
) {
1408 nd
->send_packet
= slirp_send_packet
;
1409 nd
->add_read_packet
= slirp_add_read_packet
;
1410 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1414 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
1419 p1
= strchr(p
, sep
);
1425 if (len
> buf_size
- 1)
1427 memcpy(buf
, p
, len
);
1434 static void net_slirp_redir(const char *redir_str
)
1439 struct in_addr guest_addr
;
1440 int host_port
, guest_port
;
1442 if (!slirp_inited
) {
1448 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1450 if (!strcmp(buf
, "tcp")) {
1452 } else if (!strcmp(buf
, "udp")) {
1458 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1460 host_port
= strtol(buf
, &r
, 0);
1464 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1466 if (buf
[0] == '\0') {
1467 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
1469 if (!inet_aton(buf
, &guest_addr
))
1472 guest_port
= strtol(p
, &r
, 0);
1476 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
1477 fprintf(stderr
, "qemu: could not set up redirection\n");
1482 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1490 static void smb_exit(void)
1494 char filename
[1024];
1496 /* erase all the files in the directory */
1497 d
= opendir(smb_dir
);
1502 if (strcmp(de
->d_name
, ".") != 0 &&
1503 strcmp(de
->d_name
, "..") != 0) {
1504 snprintf(filename
, sizeof(filename
), "%s/%s",
1505 smb_dir
, de
->d_name
);
1513 /* automatic user mode samba server configuration */
1514 void net_slirp_smb(const char *exported_dir
)
1516 char smb_conf
[1024];
1517 char smb_cmdline
[1024];
1520 if (!slirp_inited
) {
1525 /* XXX: better tmp dir construction */
1526 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
1527 if (mkdir(smb_dir
, 0700) < 0) {
1528 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1531 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1533 f
= fopen(smb_conf
, "w");
1535 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1540 "pid directory=%s\n"
1541 "lock directory=%s\n"
1542 "log file=%s/log.smbd\n"
1543 "smb passwd file=%s/smbpasswd\n"
1544 "security = share\n"
1558 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "/usr/sbin/smbd -s %s",
1561 slirp_add_exec(0, smb_cmdline
, 4, 139);
1564 #endif /* !defined(_WIN32) */
1566 #endif /* CONFIG_SLIRP */
1568 #if !defined(_WIN32)
1570 static int tun_open(char *ifname
, int ifname_size
)
1576 fd
= open("/dev/tap", O_RDWR
);
1578 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1583 dev
= devname(s
.st_rdev
, S_IFCHR
);
1584 pstrcpy(ifname
, ifname_size
, dev
);
1586 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1590 static int tun_open(char *ifname
, int ifname_size
)
1595 fd
= open("/dev/net/tun", O_RDWR
);
1597 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1600 memset(&ifr
, 0, sizeof(ifr
));
1601 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1602 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1603 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1605 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1609 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1610 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1611 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1616 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1618 write(nd
->fd
, buf
, size
);
1621 static void tun_add_read_packet(NetDriverState
*nd
,
1622 IOCanRWHandler
*fd_can_read
,
1623 IOReadHandler
*fd_read
, void *opaque
)
1625 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1628 static int net_tun_init(NetDriverState
*nd
)
1634 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1638 /* try to launch network init script */
1643 *parg
++ = network_script
;
1644 *parg
++ = nd
->ifname
;
1646 execv(network_script
, args
);
1649 while (waitpid(pid
, &status
, 0) != pid
);
1650 if (!WIFEXITED(status
) ||
1651 WEXITSTATUS(status
) != 0) {
1652 fprintf(stderr
, "%s: could not launch network script\n",
1656 nd
->send_packet
= tun_send_packet
;
1657 nd
->add_read_packet
= tun_add_read_packet
;
1661 static int net_fd_init(NetDriverState
*nd
, int fd
)
1664 nd
->send_packet
= tun_send_packet
;
1665 nd
->add_read_packet
= tun_add_read_packet
;
1666 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1670 #endif /* !_WIN32 */
1672 /***********************************************************/
1675 static char *pid_filename
;
1677 /* Remove PID file. Called on normal exit */
1679 static void remove_pidfile(void)
1681 unlink (pid_filename
);
1684 static void create_pidfile(const char *filename
)
1686 struct stat pidstat
;
1689 /* Try to write our PID to the named file */
1690 if (stat(filename
, &pidstat
) < 0) {
1691 if (errno
== ENOENT
) {
1692 if ((f
= fopen (filename
, "w")) == NULL
) {
1693 perror("Opening pidfile");
1696 fprintf(f
, "%d\n", getpid());
1698 pid_filename
= qemu_strdup(filename
);
1699 if (!pid_filename
) {
1700 fprintf(stderr
, "Could not save PID filename");
1703 atexit(remove_pidfile
);
1706 fprintf(stderr
, "%s already exists. Remove it and try again.\n",
1712 /***********************************************************/
1715 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1719 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1723 static void dumb_refresh(DisplayState
*ds
)
1725 vga_update_display();
1728 void dumb_display_init(DisplayState
*ds
)
1733 ds
->dpy_update
= dumb_update
;
1734 ds
->dpy_resize
= dumb_resize
;
1735 ds
->dpy_refresh
= dumb_refresh
;
1738 #if !defined(CONFIG_SOFTMMU)
1739 /***********************************************************/
1740 /* cpu signal handler */
1741 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1744 if (cpu_signal_handler(host_signum
, info
, puc
))
1746 if (stdio_nb_clients
> 0)
1752 /***********************************************************/
1755 #define MAX_IO_HANDLERS 64
1757 typedef struct IOHandlerRecord
{
1759 IOCanRWHandler
*fd_can_read
;
1760 IOReadHandler
*fd_read
;
1762 /* temporary data */
1765 struct IOHandlerRecord
*next
;
1768 static IOHandlerRecord
*first_io_handler
;
1770 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1771 IOReadHandler
*fd_read
, void *opaque
)
1773 IOHandlerRecord
*ioh
;
1775 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1779 ioh
->fd_can_read
= fd_can_read
;
1780 ioh
->fd_read
= fd_read
;
1781 ioh
->opaque
= opaque
;
1782 ioh
->next
= first_io_handler
;
1783 first_io_handler
= ioh
;
1787 void qemu_del_fd_read_handler(int fd
)
1789 IOHandlerRecord
**pioh
, *ioh
;
1791 pioh
= &first_io_handler
;
1796 if (ioh
->fd
== fd
) {
1804 /***********************************************************/
1805 /* savevm/loadvm support */
1807 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1809 fwrite(buf
, 1, size
, f
);
1812 void qemu_put_byte(QEMUFile
*f
, int v
)
1817 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1819 qemu_put_byte(f
, v
>> 8);
1820 qemu_put_byte(f
, v
);
1823 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1825 qemu_put_byte(f
, v
>> 24);
1826 qemu_put_byte(f
, v
>> 16);
1827 qemu_put_byte(f
, v
>> 8);
1828 qemu_put_byte(f
, v
);
1831 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1833 qemu_put_be32(f
, v
>> 32);
1834 qemu_put_be32(f
, v
);
1837 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1839 return fread(buf
, 1, size
, f
);
1842 int qemu_get_byte(QEMUFile
*f
)
1852 unsigned int qemu_get_be16(QEMUFile
*f
)
1855 v
= qemu_get_byte(f
) << 8;
1856 v
|= qemu_get_byte(f
);
1860 unsigned int qemu_get_be32(QEMUFile
*f
)
1863 v
= qemu_get_byte(f
) << 24;
1864 v
|= qemu_get_byte(f
) << 16;
1865 v
|= qemu_get_byte(f
) << 8;
1866 v
|= qemu_get_byte(f
);
1870 uint64_t qemu_get_be64(QEMUFile
*f
)
1873 v
= (uint64_t)qemu_get_be32(f
) << 32;
1874 v
|= qemu_get_be32(f
);
1878 int64_t qemu_ftell(QEMUFile
*f
)
1883 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1885 if (fseek(f
, pos
, whence
) < 0)
1890 typedef struct SaveStateEntry
{
1894 SaveStateHandler
*save_state
;
1895 LoadStateHandler
*load_state
;
1897 struct SaveStateEntry
*next
;
1900 static SaveStateEntry
*first_se
;
1902 int register_savevm(const char *idstr
,
1905 SaveStateHandler
*save_state
,
1906 LoadStateHandler
*load_state
,
1909 SaveStateEntry
*se
, **pse
;
1911 se
= qemu_malloc(sizeof(SaveStateEntry
));
1914 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1915 se
->instance_id
= instance_id
;
1916 se
->version_id
= version_id
;
1917 se
->save_state
= save_state
;
1918 se
->load_state
= load_state
;
1919 se
->opaque
= opaque
;
1922 /* add at the end of list */
1924 while (*pse
!= NULL
)
1925 pse
= &(*pse
)->next
;
1930 #define QEMU_VM_FILE_MAGIC 0x5145564d
1931 #define QEMU_VM_FILE_VERSION 0x00000001
1933 int qemu_savevm(const char *filename
)
1937 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1939 saved_vm_running
= vm_running
;
1942 f
= fopen(filename
, "wb");
1948 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1949 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1951 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1953 len
= strlen(se
->idstr
);
1954 qemu_put_byte(f
, len
);
1955 qemu_put_buffer(f
, se
->idstr
, len
);
1957 qemu_put_be32(f
, se
->instance_id
);
1958 qemu_put_be32(f
, se
->version_id
);
1960 /* record size: filled later */
1962 qemu_put_be32(f
, 0);
1964 se
->save_state(f
, se
->opaque
);
1966 /* fill record size */
1968 len
= ftell(f
) - len_pos
- 4;
1969 fseek(f
, len_pos
, SEEK_SET
);
1970 qemu_put_be32(f
, len
);
1971 fseek(f
, cur_pos
, SEEK_SET
);
1977 if (saved_vm_running
)
1982 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1986 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1987 if (!strcmp(se
->idstr
, idstr
) &&
1988 instance_id
== se
->instance_id
)
1994 int qemu_loadvm(const char *filename
)
1998 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
1999 int saved_vm_running
;
2003 saved_vm_running
= vm_running
;
2006 f
= fopen(filename
, "rb");
2012 v
= qemu_get_be32(f
);
2013 if (v
!= QEMU_VM_FILE_MAGIC
)
2015 v
= qemu_get_be32(f
);
2016 if (v
!= QEMU_VM_FILE_VERSION
) {
2023 #if defined (DO_TB_FLUSH)
2024 tb_flush(global_env
);
2026 len
= qemu_get_byte(f
);
2029 qemu_get_buffer(f
, idstr
, len
);
2031 instance_id
= qemu_get_be32(f
);
2032 version_id
= qemu_get_be32(f
);
2033 record_len
= qemu_get_be32(f
);
2035 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2036 idstr
, instance_id
, version_id
, record_len
);
2039 se
= find_se(idstr
, instance_id
);
2041 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2042 instance_id
, idstr
);
2044 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2046 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2047 instance_id
, idstr
);
2050 /* always seek to exact end of record */
2051 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2056 if (saved_vm_running
)
2061 /***********************************************************/
2062 /* cpu save/restore */
2064 #if defined(TARGET_I386)
2066 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2068 qemu_put_be32(f
, dt
->selector
);
2069 qemu_put_betl(f
, dt
->base
);
2070 qemu_put_be32(f
, dt
->limit
);
2071 qemu_put_be32(f
, dt
->flags
);
2074 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2076 dt
->selector
= qemu_get_be32(f
);
2077 dt
->base
= qemu_get_betl(f
);
2078 dt
->limit
= qemu_get_be32(f
);
2079 dt
->flags
= qemu_get_be32(f
);
2082 void cpu_save(QEMUFile
*f
, void *opaque
)
2084 CPUState
*env
= opaque
;
2085 uint16_t fptag
, fpus
, fpuc
, fpregs_format
;
2089 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2090 qemu_put_betls(f
, &env
->regs
[i
]);
2091 qemu_put_betls(f
, &env
->eip
);
2092 qemu_put_betls(f
, &env
->eflags
);
2093 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2094 qemu_put_be32s(f
, &hflags
);
2098 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2100 for(i
= 0; i
< 8; i
++) {
2101 fptag
|= ((!env
->fptags
[i
]) << i
);
2104 qemu_put_be16s(f
, &fpuc
);
2105 qemu_put_be16s(f
, &fpus
);
2106 qemu_put_be16s(f
, &fptag
);
2108 #ifdef USE_X86LDOUBLE
2113 qemu_put_be16s(f
, &fpregs_format
);
2115 for(i
= 0; i
< 8; i
++) {
2118 #ifdef USE_X86LDOUBLE
2119 /* we save the real CPU data (in case of MMX usage only 'mant'
2120 contains the MMX register */
2121 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
].d
);
2122 qemu_put_be64(f
, mant
);
2123 qemu_put_be16(f
, exp
);
2125 /* if we use doubles for float emulation, we save the doubles to
2126 avoid losing information in case of MMX usage. It can give
2127 problems if the image is restored on a CPU where long
2128 doubles are used instead. */
2129 qemu_put_be64(f
, env
->fpregs
[i
].xmm
.MMX_Q(0));
2133 for(i
= 0; i
< 6; i
++)
2134 cpu_put_seg(f
, &env
->segs
[i
]);
2135 cpu_put_seg(f
, &env
->ldt
);
2136 cpu_put_seg(f
, &env
->tr
);
2137 cpu_put_seg(f
, &env
->gdt
);
2138 cpu_put_seg(f
, &env
->idt
);
2140 qemu_put_be32s(f
, &env
->sysenter_cs
);
2141 qemu_put_be32s(f
, &env
->sysenter_esp
);
2142 qemu_put_be32s(f
, &env
->sysenter_eip
);
2144 qemu_put_betls(f
, &env
->cr
[0]);
2145 qemu_put_betls(f
, &env
->cr
[2]);
2146 qemu_put_betls(f
, &env
->cr
[3]);
2147 qemu_put_betls(f
, &env
->cr
[4]);
2149 for(i
= 0; i
< 8; i
++)
2150 qemu_put_betls(f
, &env
->dr
[i
]);
2153 qemu_put_be32s(f
, &env
->a20_mask
);
2156 qemu_put_be32s(f
, &env
->mxcsr
);
2157 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2158 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2159 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2162 #ifdef TARGET_X86_64
2163 qemu_put_be64s(f
, &env
->efer
);
2164 qemu_put_be64s(f
, &env
->star
);
2165 qemu_put_be64s(f
, &env
->lstar
);
2166 qemu_put_be64s(f
, &env
->cstar
);
2167 qemu_put_be64s(f
, &env
->fmask
);
2168 qemu_put_be64s(f
, &env
->kernelgsbase
);
2172 /* XXX: add that in a FPU generic layer */
2173 union x86_longdouble
{
2178 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
2179 #define EXPBIAS1 1023
2180 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
2181 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
2183 static void fp64_to_fp80(union x86_longdouble
*p
, uint64_t temp
)
2187 p
->mant
= (MANTD1(temp
) << 11) | (1LL << 63);
2188 /* exponent + sign */
2189 e
= EXPD1(temp
) - EXPBIAS1
+ 16383;
2190 e
|= SIGND1(temp
) >> 16;
2194 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2196 CPUState
*env
= opaque
;
2199 uint16_t fpus
, fpuc
, fptag
, fpregs_format
;
2201 if (version_id
!= 3)
2203 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2204 qemu_get_betls(f
, &env
->regs
[i
]);
2205 qemu_get_betls(f
, &env
->eip
);
2206 qemu_get_betls(f
, &env
->eflags
);
2207 qemu_get_be32s(f
, &hflags
);
2209 qemu_get_be16s(f
, &fpuc
);
2210 qemu_get_be16s(f
, &fpus
);
2211 qemu_get_be16s(f
, &fptag
);
2212 qemu_get_be16s(f
, &fpregs_format
);
2214 /* NOTE: we cannot always restore the FPU state if the image come
2215 from a host with a different 'USE_X86LDOUBLE' define. We guess
2216 if we are in an MMX state to restore correctly in that case. */
2217 guess_mmx
= ((fptag
== 0xff) && (fpus
& 0x3800) == 0);
2218 for(i
= 0; i
< 8; i
++) {
2221 union x86_longdouble
*p
;
2223 switch(fpregs_format
) {
2225 mant
= qemu_get_be64(f
);
2226 exp
= qemu_get_be16(f
);
2227 #ifdef USE_X86LDOUBLE
2228 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2230 /* difficult case */
2232 env
->fpregs
[i
].xmm
.MMX_Q(0) = mant
;
2234 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2238 mant
= qemu_get_be64(f
);
2239 #ifdef USE_X86LDOUBLE
2240 /* difficult case */
2241 p
= (void *)&env
->fpregs
[i
];
2246 fp64_to_fp80(p
, mant
);
2249 env
->fpregs
[i
].xmm
.MMX_Q(0) = mant
;
2258 env
->fpstt
= (fpus
>> 11) & 7;
2259 env
->fpus
= fpus
& ~0x3800;
2261 for(i
= 0; i
< 8; i
++) {
2262 env
->fptags
[i
] = (fptag
>> i
) & 1;
2265 for(i
= 0; i
< 6; i
++)
2266 cpu_get_seg(f
, &env
->segs
[i
]);
2267 cpu_get_seg(f
, &env
->ldt
);
2268 cpu_get_seg(f
, &env
->tr
);
2269 cpu_get_seg(f
, &env
->gdt
);
2270 cpu_get_seg(f
, &env
->idt
);
2272 qemu_get_be32s(f
, &env
->sysenter_cs
);
2273 qemu_get_be32s(f
, &env
->sysenter_esp
);
2274 qemu_get_be32s(f
, &env
->sysenter_eip
);
2276 qemu_get_betls(f
, &env
->cr
[0]);
2277 qemu_get_betls(f
, &env
->cr
[2]);
2278 qemu_get_betls(f
, &env
->cr
[3]);
2279 qemu_get_betls(f
, &env
->cr
[4]);
2281 for(i
= 0; i
< 8; i
++)
2282 qemu_get_betls(f
, &env
->dr
[i
]);
2285 qemu_get_be32s(f
, &env
->a20_mask
);
2287 qemu_get_be32s(f
, &env
->mxcsr
);
2288 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2289 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2290 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2293 #ifdef TARGET_X86_64
2294 qemu_get_be64s(f
, &env
->efer
);
2295 qemu_get_be64s(f
, &env
->star
);
2296 qemu_get_be64s(f
, &env
->lstar
);
2297 qemu_get_be64s(f
, &env
->cstar
);
2298 qemu_get_be64s(f
, &env
->fmask
);
2299 qemu_get_be64s(f
, &env
->kernelgsbase
);
2302 /* XXX: compute hflags from scratch, except for CPL and IIF */
2303 env
->hflags
= hflags
;
2308 #elif defined(TARGET_PPC)
2309 void cpu_save(QEMUFile
*f
, void *opaque
)
2313 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2317 #elif defined(TARGET_SPARC)
2318 void cpu_save(QEMUFile
*f
, void *opaque
)
2320 CPUState
*env
= opaque
;
2324 for(i
= 1; i
< 8; i
++)
2325 qemu_put_be32s(f
, &env
->gregs
[i
]);
2326 tmp
= env
->regwptr
- env
->regbase
;
2327 qemu_put_be32s(f
, &tmp
);
2328 for(i
= 1; i
< NWINDOWS
* 16 + 8; i
++)
2329 qemu_put_be32s(f
, &env
->regbase
[i
]);
2332 for(i
= 0; i
< 32; i
++) {
2335 cpu_get_fp64(&mant
, &exp
, env
->fpr
[i
]);
2336 qemu_put_be64(f
, mant
);
2337 qemu_put_be16(f
, exp
);
2339 qemu_put_be32s(f
, &env
->pc
);
2340 qemu_put_be32s(f
, &env
->npc
);
2341 qemu_put_be32s(f
, &env
->y
);
2343 qemu_put_be32s(f
, &tmp
);
2344 qemu_put_be32s(f
, &env
->fsr
);
2345 qemu_put_be32s(f
, &env
->cwp
);
2346 qemu_put_be32s(f
, &env
->wim
);
2347 qemu_put_be32s(f
, &env
->tbr
);
2349 for(i
= 0; i
< 16; i
++)
2350 qemu_put_be32s(f
, &env
->mmuregs
[i
]);
2353 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2355 CPUState
*env
= opaque
;
2359 for(i
= 1; i
< 8; i
++)
2360 qemu_get_be32s(f
, &env
->gregs
[i
]);
2361 qemu_get_be32s(f
, &tmp
);
2362 env
->regwptr
= env
->regbase
+ tmp
;
2363 for(i
= 1; i
< NWINDOWS
* 16 + 8; i
++)
2364 qemu_get_be32s(f
, &env
->regbase
[i
]);
2367 for(i
= 0; i
< 32; i
++) {
2371 qemu_get_be64s(f
, &mant
);
2372 qemu_get_be16s(f
, &exp
);
2373 env
->fpr
[i
] = cpu_put_fp64(mant
, exp
);
2375 qemu_get_be32s(f
, &env
->pc
);
2376 qemu_get_be32s(f
, &env
->npc
);
2377 qemu_get_be32s(f
, &env
->y
);
2378 qemu_get_be32s(f
, &tmp
);
2380 qemu_get_be32s(f
, &env
->fsr
);
2381 qemu_get_be32s(f
, &env
->cwp
);
2382 qemu_get_be32s(f
, &env
->wim
);
2383 qemu_get_be32s(f
, &env
->tbr
);
2385 for(i
= 0; i
< 16; i
++)
2386 qemu_get_be32s(f
, &env
->mmuregs
[i
]);
2392 #warning No CPU save/restore functions
2396 /***********************************************************/
2397 /* ram save/restore */
2399 /* we just avoid storing empty pages */
2400 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2405 for(i
= 1; i
< len
; i
++) {
2409 qemu_put_byte(f
, 1);
2410 qemu_put_byte(f
, v
);
2413 qemu_put_byte(f
, 0);
2414 qemu_put_buffer(f
, buf
, len
);
2417 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2421 v
= qemu_get_byte(f
);
2424 if (qemu_get_buffer(f
, buf
, len
) != len
)
2428 v
= qemu_get_byte(f
);
2429 memset(buf
, v
, len
);
2437 static void ram_save(QEMUFile
*f
, void *opaque
)
2440 qemu_put_be32(f
, phys_ram_size
);
2441 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2442 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2446 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2450 if (version_id
!= 1)
2452 if (qemu_get_be32(f
) != phys_ram_size
)
2454 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2455 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2462 /***********************************************************/
2463 /* main execution loop */
2465 void gui_update(void *opaque
)
2467 display_state
.dpy_refresh(&display_state
);
2468 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2471 /* XXX: support several handlers */
2472 VMStopHandler
*vm_stop_cb
;
2473 VMStopHandler
*vm_stop_opaque
;
2475 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2478 vm_stop_opaque
= opaque
;
2482 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2495 void vm_stop(int reason
)
2498 cpu_disable_ticks();
2502 vm_stop_cb(vm_stop_opaque
, reason
);
2508 /* reset/shutdown handler */
2510 typedef struct QEMUResetEntry
{
2511 QEMUResetHandler
*func
;
2513 struct QEMUResetEntry
*next
;
2516 static QEMUResetEntry
*first_reset_entry
;
2517 static int reset_requested
;
2518 static int shutdown_requested
;
2520 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2522 QEMUResetEntry
**pre
, *re
;
2524 pre
= &first_reset_entry
;
2525 while (*pre
!= NULL
)
2526 pre
= &(*pre
)->next
;
2527 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2529 re
->opaque
= opaque
;
2534 void qemu_system_reset(void)
2538 /* reset all devices */
2539 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2540 re
->func(re
->opaque
);
2544 void qemu_system_reset_request(void)
2546 reset_requested
= 1;
2547 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2550 void qemu_system_shutdown_request(void)
2552 shutdown_requested
= 1;
2553 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2556 static void main_cpu_reset(void *opaque
)
2558 #if defined(TARGET_I386) || defined(TARGET_SPARC)
2559 CPUState
*env
= opaque
;
2564 void main_loop_wait(int timeout
)
2567 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2568 IOHandlerRecord
*ioh
, *ioh_next
;
2578 /* poll any events */
2579 /* XXX: separate device handlers from system ones */
2581 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2582 if (!ioh
->fd_can_read
) {
2585 pf
->events
= POLLIN
;
2589 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2591 if (max_size
> sizeof(buf
))
2592 max_size
= sizeof(buf
);
2594 pf
->events
= POLLIN
;
2601 ioh
->max_size
= max_size
;
2604 ret
= poll(ufds
, pf
- ufds
, timeout
);
2606 /* XXX: better handling of removal */
2607 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2608 ioh_next
= ioh
->next
;
2611 if (pf
->revents
& POLLIN
) {
2612 if (ioh
->max_size
== 0) {
2613 /* just a read event */
2614 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2616 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2618 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2619 } else if (errno
!= EAGAIN
) {
2620 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2627 #endif /* !defined(_WIN32) */
2628 #if defined(CONFIG_SLIRP)
2629 /* XXX: merge with poll() */
2631 fd_set rfds
, wfds
, xfds
;
2639 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2642 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2644 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2650 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2651 qemu_get_clock(vm_clock
));
2652 /* run dma transfers, if any */
2656 /* real time timers */
2657 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2658 qemu_get_clock(rt_clock
));
2664 CPUState
*env
= global_env
;
2668 ret
= cpu_exec(env
);
2669 if (shutdown_requested
) {
2670 ret
= EXCP_INTERRUPT
;
2673 if (reset_requested
) {
2674 reset_requested
= 0;
2675 qemu_system_reset();
2676 ret
= EXCP_INTERRUPT
;
2678 if (ret
== EXCP_DEBUG
) {
2679 vm_stop(EXCP_DEBUG
);
2681 /* if hlt instruction, we wait until the next IRQ */
2682 /* XXX: use timeout computed from timers */
2683 if (ret
== EXCP_HLT
)
2690 main_loop_wait(timeout
);
2692 cpu_disable_ticks();
2698 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2699 "usage: %s [options] [disk_image]\n"
2701 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2703 "Standard options:\n"
2704 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2705 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2706 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2707 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2708 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2709 "-snapshot write to temporary files instead of disk image files\n"
2710 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2711 "-nographic disable graphical output and redirect serial I/Os to console\n"
2713 "-k language use keyboard layout (for example \"fr\" for French)\n"
2715 "-enable-audio enable audio support\n"
2716 "-localtime set the real time clock to local time [default=utc]\n"
2717 "-full-screen start in full screen\n"
2719 "-prep Simulate a PREP system (default is PowerMAC)\n"
2720 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2723 "Network options:\n"
2724 "-nics n simulate 'n' network cards [default=1]\n"
2725 "-macaddr addr set the mac address of the first interface\n"
2726 "-n script set tap/tun network init script [default=%s]\n"
2727 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2729 "-user-net use user mode network stack [default if no tap/tun script]\n"
2730 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2732 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2734 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2735 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2737 "-dummy-net use dummy network stack\n"
2739 "Linux boot specific:\n"
2740 "-kernel bzImage use 'bzImage' as kernel image\n"
2741 "-append cmdline use 'cmdline' as kernel command line\n"
2742 "-initrd file use 'file' as initial ram disk\n"
2744 "Debug/Expert options:\n"
2745 "-monitor dev redirect the monitor to char device 'dev'\n"
2746 "-serial dev redirect the serial port to char device 'dev'\n"
2747 "-pidfile file Write PID to 'file'\n"
2748 "-S freeze CPU at startup (use 'c' to start execution)\n"
2749 "-s wait gdb connection to port %d\n"
2750 "-p port change gdb connection port\n"
2751 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2752 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2753 " translation (t=none or lba) (usually qemu can guess them)\n"
2754 "-L path set the directory for the BIOS and VGA BIOS\n"
2755 #ifdef USE_CODE_COPY
2756 "-no-code-copy disable code copy acceleration\n"
2759 "-isa simulate an ISA-only system (default is PCI system)\n"
2760 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2761 " (default is CL-GD5446 PCI VGA)\n"
2763 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2765 "During emulation, the following keys are useful:\n"
2766 "ctrl-alt-f toggle full screen\n"
2767 "ctrl-alt-n switch to virtual console 'n'\n"
2768 "ctrl-alt toggle mouse and keyboard grab\n"
2770 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2772 #ifdef CONFIG_SOFTMMU
2778 DEFAULT_NETWORK_SCRIPT
,
2779 DEFAULT_GDBSTUB_PORT
,
2781 #ifndef CONFIG_SOFTMMU
2783 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2784 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2790 #define HAS_ARG 0x0001
2803 QEMU_OPTION_snapshot
,
2805 QEMU_OPTION_nographic
,
2806 QEMU_OPTION_enable_audio
,
2809 QEMU_OPTION_macaddr
,
2812 QEMU_OPTION_user_net
,
2816 QEMU_OPTION_dummy_net
,
2828 QEMU_OPTION_no_code_copy
,
2833 QEMU_OPTION_localtime
,
2834 QEMU_OPTION_cirrusvga
,
2836 QEMU_OPTION_std_vga
,
2837 QEMU_OPTION_monitor
,
2840 QEMU_OPTION_full_screen
,
2841 QEMU_OPTION_pidfile
,
2844 typedef struct QEMUOption
{
2850 const QEMUOption qemu_options
[] = {
2851 { "h", 0, QEMU_OPTION_h
},
2853 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2854 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2855 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2856 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2857 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2858 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2859 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2860 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2861 { "snapshot", 0, QEMU_OPTION_snapshot
},
2862 { "m", HAS_ARG
, QEMU_OPTION_m
},
2863 { "nographic", 0, QEMU_OPTION_nographic
},
2864 { "k", HAS_ARG
, QEMU_OPTION_k
},
2865 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2867 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2868 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2869 { "n", HAS_ARG
, QEMU_OPTION_n
},
2870 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2872 { "user-net", 0, QEMU_OPTION_user_net
},
2873 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
2875 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
2877 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
2879 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2881 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2882 { "append", HAS_ARG
, QEMU_OPTION_append
},
2883 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2885 { "S", 0, QEMU_OPTION_S
},
2886 { "s", 0, QEMU_OPTION_s
},
2887 { "p", HAS_ARG
, QEMU_OPTION_p
},
2888 { "d", HAS_ARG
, QEMU_OPTION_d
},
2889 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2890 { "L", HAS_ARG
, QEMU_OPTION_L
},
2891 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2893 { "prep", 0, QEMU_OPTION_prep
},
2894 { "g", 1, QEMU_OPTION_g
},
2896 { "localtime", 0, QEMU_OPTION_localtime
},
2897 { "isa", 0, QEMU_OPTION_isa
},
2898 { "std-vga", 0, QEMU_OPTION_std_vga
},
2899 { "monitor", 1, QEMU_OPTION_monitor
},
2900 { "serial", 1, QEMU_OPTION_serial
},
2901 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
2902 { "full-screen", 0, QEMU_OPTION_full_screen
},
2903 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
2905 /* temporary options */
2906 { "pci", 0, QEMU_OPTION_pci
},
2907 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2911 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2913 /* this stack is only used during signal handling */
2914 #define SIGNAL_STACK_SIZE 32768
2916 static uint8_t *signal_stack
;
2920 /* password input */
2922 static BlockDriverState
*get_bdrv(int index
)
2924 BlockDriverState
*bs
;
2927 bs
= bs_table
[index
];
2928 } else if (index
< 6) {
2929 bs
= fd_table
[index
- 4];
2936 static void read_passwords(void)
2938 BlockDriverState
*bs
;
2942 for(i
= 0; i
< 6; i
++) {
2944 if (bs
&& bdrv_is_encrypted(bs
)) {
2945 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2946 for(j
= 0; j
< 3; j
++) {
2947 monitor_readline("Password: ",
2948 1, password
, sizeof(password
));
2949 if (bdrv_set_key(bs
, password
) == 0)
2951 term_printf("invalid password\n");
2957 #define NET_IF_TUN 0
2958 #define NET_IF_USER 1
2959 #define NET_IF_DUMMY 2
2961 int main(int argc
, char **argv
)
2963 #ifdef CONFIG_GDBSTUB
2964 int use_gdbstub
, gdbstub_port
;
2967 int snapshot
, linux_boot
;
2969 const char *initrd_filename
;
2970 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2971 const char *kernel_filename
, *kernel_cmdline
;
2972 DisplayState
*ds
= &display_state
;
2973 int cyls
, heads
, secs
, translation
;
2974 int start_emulation
= 1;
2976 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2978 const char *r
, *optarg
;
2979 CharDriverState
*monitor_hd
;
2980 char monitor_device
[128];
2981 char serial_devices
[MAX_SERIAL_PORTS
][128];
2982 int serial_device_index
;
2983 const char *loadvm
= NULL
;
2985 #if !defined(CONFIG_SOFTMMU)
2986 /* we never want that malloc() uses mmap() */
2987 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
2989 initrd_filename
= NULL
;
2990 for(i
= 0; i
< MAX_FD
; i
++)
2991 fd_filename
[i
] = NULL
;
2992 for(i
= 0; i
< MAX_DISKS
; i
++)
2993 hd_filename
[i
] = NULL
;
2994 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
2995 vga_ram_size
= VGA_RAM_SIZE
;
2996 bios_size
= BIOS_SIZE
;
2997 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
2998 #ifdef CONFIG_GDBSTUB
3000 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
3004 kernel_filename
= NULL
;
3005 kernel_cmdline
= "";
3007 cyls
= heads
= secs
= 0;
3008 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3009 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
3011 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
3012 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
3013 serial_devices
[i
][0] = '\0';
3014 serial_device_index
= 0;
3019 /* default mac address of the first network interface */
3033 hd_filename
[0] = argv
[optind
++];
3035 const QEMUOption
*popt
;
3038 popt
= qemu_options
;
3041 fprintf(stderr
, "%s: invalid option -- '%s'\n",
3045 if (!strcmp(popt
->name
, r
+ 1))
3049 if (popt
->flags
& HAS_ARG
) {
3050 if (optind
>= argc
) {
3051 fprintf(stderr
, "%s: option '%s' requires an argument\n",
3055 optarg
= argv
[optind
++];
3060 switch(popt
->index
) {
3061 case QEMU_OPTION_initrd
:
3062 initrd_filename
= optarg
;
3064 case QEMU_OPTION_hda
:
3065 hd_filename
[0] = optarg
;
3067 case QEMU_OPTION_hdb
:
3068 hd_filename
[1] = optarg
;
3070 case QEMU_OPTION_snapshot
:
3073 case QEMU_OPTION_hdachs
:
3077 cyls
= strtol(p
, (char **)&p
, 0);
3078 if (cyls
< 1 || cyls
> 16383)
3083 heads
= strtol(p
, (char **)&p
, 0);
3084 if (heads
< 1 || heads
> 16)
3089 secs
= strtol(p
, (char **)&p
, 0);
3090 if (secs
< 1 || secs
> 63)
3094 if (!strcmp(p
, "none"))
3095 translation
= BIOS_ATA_TRANSLATION_NONE
;
3096 else if (!strcmp(p
, "lba"))
3097 translation
= BIOS_ATA_TRANSLATION_LBA
;
3098 else if (!strcmp(p
, "auto"))
3099 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3102 } else if (*p
!= '\0') {
3104 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3109 case QEMU_OPTION_nographic
:
3110 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
3111 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
3114 case QEMU_OPTION_kernel
:
3115 kernel_filename
= optarg
;
3117 case QEMU_OPTION_append
:
3118 kernel_cmdline
= optarg
;
3120 case QEMU_OPTION_tun_fd
:
3124 net_if_type
= NET_IF_TUN
;
3125 if (nb_tun_fds
< MAX_NICS
) {
3126 fd
= strtol(optarg
, (char **)&p
, 0);
3128 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
3131 tun_fds
[nb_tun_fds
++] = fd
;
3135 case QEMU_OPTION_hdc
:
3136 hd_filename
[2] = optarg
;
3139 case QEMU_OPTION_hdd
:
3140 hd_filename
[3] = optarg
;
3142 case QEMU_OPTION_cdrom
:
3143 hd_filename
[2] = optarg
;
3146 case QEMU_OPTION_boot
:
3147 boot_device
= optarg
[0];
3148 if (boot_device
!= 'a' &&
3149 boot_device
!= 'c' && boot_device
!= 'd') {
3150 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
3154 case QEMU_OPTION_fda
:
3155 fd_filename
[0] = optarg
;
3157 case QEMU_OPTION_fdb
:
3158 fd_filename
[1] = optarg
;
3160 case QEMU_OPTION_no_code_copy
:
3161 code_copy_enabled
= 0;
3163 case QEMU_OPTION_nics
:
3164 nb_nics
= atoi(optarg
);
3165 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
3166 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
3170 case QEMU_OPTION_macaddr
:
3175 for(i
= 0; i
< 6; i
++) {
3176 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3183 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
3192 case QEMU_OPTION_tftp
:
3193 tftp_prefix
= optarg
;
3196 case QEMU_OPTION_smb
:
3197 net_slirp_smb(optarg
);
3200 case QEMU_OPTION_user_net
:
3201 net_if_type
= NET_IF_USER
;
3203 case QEMU_OPTION_redir
:
3204 net_slirp_redir(optarg
);
3207 case QEMU_OPTION_dummy_net
:
3208 net_if_type
= NET_IF_DUMMY
;
3210 case QEMU_OPTION_enable_audio
:
3217 ram_size
= atoi(optarg
) * 1024 * 1024;
3220 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
3221 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
3222 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
3231 mask
= cpu_str_to_log_mask(optarg
);
3233 printf("Log items (comma separated):\n");
3234 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3235 printf("%-10s %s\n", item
->name
, item
->help
);
3243 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3245 #ifdef CONFIG_GDBSTUB
3250 gdbstub_port
= atoi(optarg
);
3257 start_emulation
= 0;
3259 case QEMU_OPTION_pci
:
3262 case QEMU_OPTION_isa
:
3265 case QEMU_OPTION_prep
:
3269 keyboard_layout
= optarg
;
3271 case QEMU_OPTION_localtime
:
3274 case QEMU_OPTION_cirrusvga
:
3275 cirrus_vga_enabled
= 1;
3277 case QEMU_OPTION_std_vga
:
3278 cirrus_vga_enabled
= 0;
3285 w
= strtol(p
, (char **)&p
, 10);
3288 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3294 h
= strtol(p
, (char **)&p
, 10);
3299 depth
= strtol(p
, (char **)&p
, 10);
3300 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3301 depth
!= 24 && depth
!= 32)
3303 } else if (*p
== '\0') {
3304 depth
= graphic_depth
;
3311 graphic_depth
= depth
;
3314 case QEMU_OPTION_monitor
:
3315 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3317 case QEMU_OPTION_serial
:
3318 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3319 fprintf(stderr
, "qemu: too many serial ports\n");
3322 pstrcpy(serial_devices
[serial_device_index
],
3323 sizeof(serial_devices
[0]), optarg
);
3324 serial_device_index
++;
3326 case QEMU_OPTION_loadvm
:
3329 case QEMU_OPTION_full_screen
:
3332 case QEMU_OPTION_pidfile
:
3333 create_pidfile(optarg
);
3339 linux_boot
= (kernel_filename
!= NULL
);
3341 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
3342 fd_filename
[0] == '\0')
3345 /* boot to cd by default if no hard disk */
3346 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3347 if (fd_filename
[0] != '\0')
3353 #if !defined(CONFIG_SOFTMMU)
3354 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3356 static uint8_t stdout_buf
[4096];
3357 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3360 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3363 /* init host network redirectors */
3364 if (net_if_type
== -1) {
3365 net_if_type
= NET_IF_TUN
;
3366 #if defined(CONFIG_SLIRP)
3367 if (access(network_script
, R_OK
) < 0) {
3368 net_if_type
= NET_IF_USER
;
3373 for(i
= 0; i
< nb_nics
; i
++) {
3374 NetDriverState
*nd
= &nd_table
[i
];
3376 /* init virtual mac address */
3377 nd
->macaddr
[0] = macaddr
[0];
3378 nd
->macaddr
[1] = macaddr
[1];
3379 nd
->macaddr
[2] = macaddr
[2];
3380 nd
->macaddr
[3] = macaddr
[3];
3381 nd
->macaddr
[4] = macaddr
[4];
3382 nd
->macaddr
[5] = macaddr
[5] + i
;
3383 switch(net_if_type
) {
3384 #if defined(CONFIG_SLIRP)
3389 #if !defined(_WIN32)
3391 if (i
< nb_tun_fds
) {
3392 net_fd_init(nd
, tun_fds
[i
]);
3394 if (net_tun_init(nd
) < 0)
3406 /* init the memory */
3407 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3409 #ifdef CONFIG_SOFTMMU
3411 /* mallocs are always aligned on BSD. valloc is better for correctness */
3412 phys_ram_base
= valloc(phys_ram_size
);
3414 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
3416 if (!phys_ram_base
) {
3417 fprintf(stderr
, "Could not allocate physical memory\n");
3421 /* as we must map the same page at several addresses, we must use
3426 tmpdir
= getenv("QEMU_TMPDIR");
3429 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3430 if (mkstemp(phys_ram_file
) < 0) {
3431 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3435 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3436 if (phys_ram_fd
< 0) {
3437 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3441 ftruncate(phys_ram_fd
, phys_ram_size
);
3442 unlink(phys_ram_file
);
3443 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3445 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3447 if (phys_ram_base
== MAP_FAILED
) {
3448 fprintf(stderr
, "Could not map physical memory\n");
3454 /* we always create the cdrom drive, even if no disk is there */
3457 bs_table
[2] = bdrv_new("cdrom");
3458 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
3461 /* open the virtual block devices */
3462 for(i
= 0; i
< MAX_DISKS
; i
++) {
3463 if (hd_filename
[i
]) {
3466 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3467 bs_table
[i
] = bdrv_new(buf
);
3469 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3470 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3474 if (i
== 0 && cyls
!= 0) {
3475 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3476 bdrv_set_translation_hint(bs_table
[i
], translation
);
3481 /* we always create at least one floppy disk */
3482 fd_table
[0] = bdrv_new("fda");
3483 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3485 for(i
= 0; i
< MAX_FD
; i
++) {
3486 if (fd_filename
[i
]) {
3489 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3490 fd_table
[i
] = bdrv_new(buf
);
3491 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3493 if (fd_filename
[i
] != '\0') {
3494 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3495 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3503 /* init CPU state */
3506 cpu_single_env
= env
;
3508 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3509 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
3510 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3511 qemu_register_reset(main_cpu_reset
, global_env
);
3514 cpu_calibrate_ticks();
3518 dumb_display_init(ds
);
3521 sdl_display_init(ds
, full_screen
);
3523 dumb_display_init(ds
);
3527 vga_console
= graphic_console_init(ds
);
3529 monitor_hd
= qemu_chr_open(monitor_device
);
3531 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3534 monitor_init(monitor_hd
, !nographic
);
3536 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3537 if (serial_devices
[i
][0] != '\0') {
3538 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3539 if (!serial_hds
[i
]) {
3540 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3544 if (!strcmp(serial_devices
[i
], "vc"))
3545 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3549 /* setup cpu signal handlers for MMU / self modifying code handling */
3550 #if !defined(CONFIG_SOFTMMU)
3552 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3555 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3556 stk
.ss_sp
= signal_stack
;
3557 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3560 if (sigaltstack(&stk
, NULL
) < 0) {
3561 perror("sigaltstack");
3567 struct sigaction act
;
3569 sigfillset(&act
.sa_mask
);
3570 act
.sa_flags
= SA_SIGINFO
;
3571 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3572 act
.sa_flags
|= SA_ONSTACK
;
3574 act
.sa_sigaction
= host_segv_handler
;
3575 sigaction(SIGSEGV
, &act
, NULL
);
3576 sigaction(SIGBUS
, &act
, NULL
);
3577 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3578 sigaction(SIGFPE
, &act
, NULL
);
3585 struct sigaction act
;
3586 sigfillset(&act
.sa_mask
);
3588 act
.sa_handler
= SIG_IGN
;
3589 sigaction(SIGPIPE
, &act
, NULL
);
3594 #if defined(TARGET_I386)
3595 pc_init(ram_size
, vga_ram_size
, boot_device
,
3596 ds
, fd_filename
, snapshot
,
3597 kernel_filename
, kernel_cmdline
, initrd_filename
);
3598 #elif defined(TARGET_PPC)
3599 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3600 ds
, fd_filename
, snapshot
,
3601 kernel_filename
, kernel_cmdline
, initrd_filename
);
3602 #elif defined(TARGET_SPARC)
3603 sun4m_init(ram_size
, vga_ram_size
, boot_device
,
3604 ds
, fd_filename
, snapshot
,
3605 kernel_filename
, kernel_cmdline
, initrd_filename
);
3608 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3609 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3611 #ifdef CONFIG_GDBSTUB
3613 if (gdbserver_start(gdbstub_port
) < 0) {
3614 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3618 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3623 qemu_loadvm(loadvm
);
3626 /* XXX: simplify init */
3628 if (start_emulation
) {