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>
48 #include <linux/if_tun.h>
51 #include <linux/rtc.h>
55 #if defined(CONFIG_SLIRP)
61 #include <sys/timeb.h>
63 #define getopt_long_only getopt_long
64 #define memalign(align, size) malloc(size)
71 #endif /* CONFIG_SDL */
79 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
81 //#define DEBUG_UNUSED_IOPORT
82 //#define DEBUG_IOPORT
84 #if !defined(CONFIG_SOFTMMU)
85 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
87 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
91 #define DEFAULT_RAM_SIZE 144
93 #define DEFAULT_RAM_SIZE 128
96 #define GUI_REFRESH_INTERVAL 30
98 /* XXX: use a two level table to limit memory usage */
99 #define MAX_IOPORTS 65536
101 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
102 char phys_ram_file
[1024];
103 CPUState
*global_env
;
104 CPUState
*cpu_single_env
;
105 void *ioport_opaque
[MAX_IOPORTS
];
106 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
107 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
108 BlockDriverState
*bs_table
[MAX_DISKS
], *fd_table
[MAX_FD
];
111 static DisplayState display_state
;
113 int64_t ticks_per_sec
;
114 int boot_device
= 'c';
116 static char network_script
[1024];
117 int pit_min_timer_count
= 0;
119 NetDriverState nd_table
[MAX_NICS
];
120 QEMUTimer
*gui_timer
;
122 int audio_enabled
= 0;
124 int prep_enabled
= 0;
126 int cirrus_vga_enabled
= 1;
127 int graphic_width
= 800;
128 int graphic_height
= 600;
129 int graphic_depth
= 15;
130 TextConsole
*vga_console
;
131 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
133 /***********************************************************/
134 /* x86 ISA bus support */
136 target_phys_addr_t isa_mem_base
= 0;
138 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
140 #ifdef DEBUG_UNUSED_IOPORT
141 fprintf(stderr
, "inb: port=0x%04x\n", address
);
146 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
148 #ifdef DEBUG_UNUSED_IOPORT
149 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
153 /* default is to make two byte accesses */
154 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
157 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
158 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
159 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
163 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
165 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
166 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
167 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
170 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
172 #ifdef DEBUG_UNUSED_IOPORT
173 fprintf(stderr
, "inl: port=0x%04x\n", address
);
178 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
180 #ifdef DEBUG_UNUSED_IOPORT
181 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
185 void init_ioports(void)
189 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
190 ioport_read_table
[0][i
] = default_ioport_readb
;
191 ioport_write_table
[0][i
] = default_ioport_writeb
;
192 ioport_read_table
[1][i
] = default_ioport_readw
;
193 ioport_write_table
[1][i
] = default_ioport_writew
;
194 ioport_read_table
[2][i
] = default_ioport_readl
;
195 ioport_write_table
[2][i
] = default_ioport_writel
;
199 /* size is the word size in byte */
200 int register_ioport_read(int start
, int length
, int size
,
201 IOPortReadFunc
*func
, void *opaque
)
207 } else if (size
== 2) {
209 } else if (size
== 4) {
212 hw_error("register_ioport_read: invalid size");
215 for(i
= start
; i
< start
+ length
; i
+= size
) {
216 ioport_read_table
[bsize
][i
] = func
;
217 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
218 hw_error("register_ioport_read: invalid opaque");
219 ioport_opaque
[i
] = opaque
;
224 /* size is the word size in byte */
225 int register_ioport_write(int start
, int length
, int size
,
226 IOPortWriteFunc
*func
, void *opaque
)
232 } else if (size
== 2) {
234 } else if (size
== 4) {
237 hw_error("register_ioport_write: invalid size");
240 for(i
= start
; i
< start
+ length
; i
+= size
) {
241 ioport_write_table
[bsize
][i
] = func
;
242 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
243 hw_error("register_ioport_read: invalid opaque");
244 ioport_opaque
[i
] = opaque
;
249 void isa_unassign_ioport(int start
, int length
)
253 for(i
= start
; i
< start
+ length
; i
++) {
254 ioport_read_table
[0][i
] = default_ioport_readb
;
255 ioport_read_table
[1][i
] = default_ioport_readw
;
256 ioport_read_table
[2][i
] = default_ioport_readl
;
258 ioport_write_table
[0][i
] = default_ioport_writeb
;
259 ioport_write_table
[1][i
] = default_ioport_writew
;
260 ioport_write_table
[2][i
] = default_ioport_writel
;
264 void pstrcpy(char *buf
, int buf_size
, const char *str
)
274 if (c
== 0 || q
>= buf
+ buf_size
- 1)
281 /* strcat and truncate. */
282 char *pstrcat(char *buf
, int buf_size
, const char *s
)
287 pstrcpy(buf
+ len
, buf_size
- len
, s
);
291 int strstart(const char *str
, const char *val
, const char **ptr
)
307 /* return the size or -1 if error */
308 int get_image_size(const char *filename
)
311 fd
= open(filename
, O_RDONLY
| O_BINARY
);
314 size
= lseek(fd
, 0, SEEK_END
);
319 /* return the size or -1 if error */
320 int load_image(const char *filename
, uint8_t *addr
)
323 fd
= open(filename
, O_RDONLY
| O_BINARY
);
326 size
= lseek(fd
, 0, SEEK_END
);
327 lseek(fd
, 0, SEEK_SET
);
328 if (read(fd
, addr
, size
) != size
) {
336 void cpu_outb(CPUState
*env
, int addr
, int val
)
339 if (loglevel
& CPU_LOG_IOPORT
)
340 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
342 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
345 void cpu_outw(CPUState
*env
, int addr
, int val
)
348 if (loglevel
& CPU_LOG_IOPORT
)
349 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
351 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
354 void cpu_outl(CPUState
*env
, int addr
, int val
)
357 if (loglevel
& CPU_LOG_IOPORT
)
358 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
360 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
363 int cpu_inb(CPUState
*env
, int addr
)
366 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
368 if (loglevel
& CPU_LOG_IOPORT
)
369 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
374 int cpu_inw(CPUState
*env
, int addr
)
377 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
379 if (loglevel
& CPU_LOG_IOPORT
)
380 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
385 int cpu_inl(CPUState
*env
, int addr
)
388 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
390 if (loglevel
& CPU_LOG_IOPORT
)
391 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
396 /***********************************************************/
397 void hw_error(const char *fmt
, ...)
402 fprintf(stderr
, "qemu: hardware error: ");
403 vfprintf(stderr
, fmt
, ap
);
404 fprintf(stderr
, "\n");
406 cpu_x86_dump_state(global_env
, stderr
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
408 cpu_dump_state(global_env
, stderr
, 0);
414 /***********************************************************/
417 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
418 static void *qemu_put_kbd_event_opaque
;
419 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
420 static void *qemu_put_mouse_event_opaque
;
422 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
424 qemu_put_kbd_event_opaque
= opaque
;
425 qemu_put_kbd_event
= func
;
428 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
430 qemu_put_mouse_event_opaque
= opaque
;
431 qemu_put_mouse_event
= func
;
434 void kbd_put_keycode(int keycode
)
436 if (qemu_put_kbd_event
) {
437 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
441 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
443 if (qemu_put_mouse_event
) {
444 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
445 dx
, dy
, dz
, buttons_state
);
449 /***********************************************************/
452 #if defined(__powerpc__)
454 static inline uint32_t get_tbl(void)
457 asm volatile("mftb %0" : "=r" (tbl
));
461 static inline uint32_t get_tbu(void)
464 asm volatile("mftbu %0" : "=r" (tbl
));
468 int64_t cpu_get_real_ticks(void)
471 /* NOTE: we test if wrapping has occurred */
477 return ((int64_t)h
<< 32) | l
;
480 #elif defined(__i386__)
482 int64_t cpu_get_real_ticks(void)
485 asm volatile ("rdtsc" : "=A" (val
));
489 #elif defined(__x86_64__)
491 int64_t cpu_get_real_ticks(void)
495 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
503 #error unsupported CPU
506 static int64_t cpu_ticks_offset
;
507 static int cpu_ticks_enabled
;
509 static inline int64_t cpu_get_ticks(void)
511 if (!cpu_ticks_enabled
) {
512 return cpu_ticks_offset
;
514 return cpu_get_real_ticks() + cpu_ticks_offset
;
518 /* enable cpu_get_ticks() */
519 void cpu_enable_ticks(void)
521 if (!cpu_ticks_enabled
) {
522 cpu_ticks_offset
-= cpu_get_real_ticks();
523 cpu_ticks_enabled
= 1;
527 /* disable cpu_get_ticks() : the clock is stopped. You must not call
528 cpu_get_ticks() after that. */
529 void cpu_disable_ticks(void)
531 if (cpu_ticks_enabled
) {
532 cpu_ticks_offset
= cpu_get_ticks();
533 cpu_ticks_enabled
= 0;
537 static int64_t get_clock(void)
542 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
545 gettimeofday(&tv
, NULL
);
546 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
550 void cpu_calibrate_ticks(void)
555 ticks
= cpu_get_real_ticks();
561 usec
= get_clock() - usec
;
562 ticks
= cpu_get_real_ticks() - ticks
;
563 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
566 /* compute with 96 bit intermediate result: (a*b)/c */
567 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
572 #ifdef WORDS_BIGENDIAN
582 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
583 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
586 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
590 #define QEMU_TIMER_REALTIME 0
591 #define QEMU_TIMER_VIRTUAL 1
595 /* XXX: add frequency */
603 struct QEMUTimer
*next
;
609 static QEMUTimer
*active_timers
[2];
611 static MMRESULT timerID
;
613 /* frequency of the times() clock tick */
614 static int timer_freq
;
617 QEMUClock
*qemu_new_clock(int type
)
620 clock
= qemu_mallocz(sizeof(QEMUClock
));
627 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
631 ts
= qemu_mallocz(sizeof(QEMUTimer
));
638 void qemu_free_timer(QEMUTimer
*ts
)
643 /* stop a timer, but do not dealloc it */
644 void qemu_del_timer(QEMUTimer
*ts
)
648 /* NOTE: this code must be signal safe because
649 qemu_timer_expired() can be called from a signal. */
650 pt
= &active_timers
[ts
->clock
->type
];
663 /* modify the current timer so that it will be fired when current_time
664 >= expire_time. The corresponding callback will be called. */
665 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
671 /* add the timer in the sorted list */
672 /* NOTE: this code must be signal safe because
673 qemu_timer_expired() can be called from a signal. */
674 pt
= &active_timers
[ts
->clock
->type
];
679 if (t
->expire_time
> expire_time
)
683 ts
->expire_time
= expire_time
;
688 int qemu_timer_pending(QEMUTimer
*ts
)
691 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
698 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
702 return (timer_head
->expire_time
<= current_time
);
705 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
711 if (ts
->expire_time
> current_time
)
713 /* remove timer from the list before calling the callback */
714 *ptimer_head
= ts
->next
;
717 /* run the callback (the timer list can be modified) */
722 int64_t qemu_get_clock(QEMUClock
*clock
)
724 switch(clock
->type
) {
725 case QEMU_TIMER_REALTIME
:
727 return GetTickCount();
732 /* Note that using gettimeofday() is not a good solution
733 for timers because its value change when the date is
735 if (timer_freq
== 100) {
736 return times(&tp
) * 10;
738 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
743 case QEMU_TIMER_VIRTUAL
:
744 return cpu_get_ticks();
749 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
751 uint64_t expire_time
;
753 if (qemu_timer_pending(ts
)) {
754 expire_time
= ts
->expire_time
;
758 qemu_put_be64(f
, expire_time
);
761 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
763 uint64_t expire_time
;
765 expire_time
= qemu_get_be64(f
);
766 if (expire_time
!= -1) {
767 qemu_mod_timer(ts
, expire_time
);
773 static void timer_save(QEMUFile
*f
, void *opaque
)
775 if (cpu_ticks_enabled
) {
776 hw_error("cannot save state if virtual timers are running");
778 qemu_put_be64s(f
, &cpu_ticks_offset
);
779 qemu_put_be64s(f
, &ticks_per_sec
);
782 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
786 if (cpu_ticks_enabled
) {
789 qemu_get_be64s(f
, &cpu_ticks_offset
);
790 qemu_get_be64s(f
, &ticks_per_sec
);
795 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
796 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
798 static void host_alarm_handler(int host_signum
)
802 #define DISP_FREQ 1000
804 static int64_t delta_min
= INT64_MAX
;
805 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
807 ti
= qemu_get_clock(vm_clock
);
808 if (last_clock
!= 0) {
809 delta
= ti
- last_clock
;
810 if (delta
< delta_min
)
812 if (delta
> delta_max
)
815 if (++count
== DISP_FREQ
) {
816 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
817 muldiv64(delta_min
, 1000000, ticks_per_sec
),
818 muldiv64(delta_max
, 1000000, ticks_per_sec
),
819 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
820 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
822 delta_min
= INT64_MAX
;
830 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
831 qemu_get_clock(vm_clock
)) ||
832 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
833 qemu_get_clock(rt_clock
))) {
834 /* stop the cpu because a timer occured */
835 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
841 #if defined(__linux__)
843 #define RTC_FREQ 1024
847 static int start_rtc_timer(void)
849 rtc_fd
= open("/dev/rtc", O_RDONLY
);
852 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
853 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
854 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
855 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
858 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
863 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
869 static int start_rtc_timer(void)
874 #endif /* !defined(__linux__) */
876 #endif /* !defined(_WIN32) */
878 static void init_timers(void)
880 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
881 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
886 timerID
= timeSetEvent(10, // interval (ms)
888 host_alarm_handler
, // function
889 (DWORD
)&count
, // user parameter
890 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
892 perror("failed timer alarm");
896 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
899 struct sigaction act
;
900 struct itimerval itv
;
902 /* get times() syscall frequency */
903 timer_freq
= sysconf(_SC_CLK_TCK
);
906 sigfillset(&act
.sa_mask
);
908 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
909 act
.sa_flags
|= SA_ONSTACK
;
911 act
.sa_handler
= host_alarm_handler
;
912 sigaction(SIGALRM
, &act
, NULL
);
914 itv
.it_interval
.tv_sec
= 0;
915 itv
.it_interval
.tv_usec
= 1000;
916 itv
.it_value
.tv_sec
= 0;
917 itv
.it_value
.tv_usec
= 10 * 1000;
918 setitimer(ITIMER_REAL
, &itv
, NULL
);
919 /* we probe the tick duration of the kernel to inform the user if
920 the emulated kernel requested a too high timer frequency */
921 getitimer(ITIMER_REAL
, &itv
);
923 #if defined(__linux__)
924 if (itv
.it_interval
.tv_usec
> 1000) {
925 /* try to use /dev/rtc to have a faster timer */
926 if (start_rtc_timer() < 0)
929 itv
.it_interval
.tv_sec
= 0;
930 itv
.it_interval
.tv_usec
= 0;
931 itv
.it_value
.tv_sec
= 0;
932 itv
.it_value
.tv_usec
= 0;
933 setitimer(ITIMER_REAL
, &itv
, NULL
);
936 sigaction(SIGIO
, &act
, NULL
);
937 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
938 fcntl(rtc_fd
, F_SETOWN
, getpid());
940 #endif /* defined(__linux__) */
943 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
950 void quit_timers(void)
953 timeKillEvent(timerID
);
957 /***********************************************************/
958 /* character device */
960 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
962 return s
->chr_write(s
, buf
, len
);
965 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
970 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
971 qemu_chr_write(s
, buf
, strlen(buf
));
975 void qemu_chr_send_event(CharDriverState
*s
, int event
)
977 if (s
->chr_send_event
)
978 s
->chr_send_event(s
, event
);
981 void qemu_chr_add_read_handler(CharDriverState
*s
,
982 IOCanRWHandler
*fd_can_read
,
983 IOReadHandler
*fd_read
, void *opaque
)
985 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
988 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
990 s
->chr_event
= chr_event
;
993 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
998 static void null_chr_add_read_handler(CharDriverState
*chr
,
999 IOCanRWHandler
*fd_can_read
,
1000 IOReadHandler
*fd_read
, void *opaque
)
1004 CharDriverState
*qemu_chr_open_null(void)
1006 CharDriverState
*chr
;
1008 chr
= qemu_mallocz(sizeof(CharDriverState
));
1011 chr
->chr_write
= null_chr_write
;
1012 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1020 /* for nographic stdio only */
1021 IOCanRWHandler
*fd_can_read
;
1022 IOReadHandler
*fd_read
;
1026 #define STDIO_MAX_CLIENTS 2
1028 static int stdio_nb_clients
;
1029 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1031 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1033 FDCharDriver
*s
= chr
->opaque
;
1034 return write(s
->fd_out
, buf
, len
);
1037 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1038 IOCanRWHandler
*fd_can_read
,
1039 IOReadHandler
*fd_read
, void *opaque
)
1041 FDCharDriver
*s
= chr
->opaque
;
1043 if (nographic
&& s
->fd_in
== 0) {
1044 s
->fd_can_read
= fd_can_read
;
1045 s
->fd_read
= fd_read
;
1046 s
->fd_opaque
= opaque
;
1048 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1052 /* open a character device to a unix fd */
1053 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1055 CharDriverState
*chr
;
1058 chr
= qemu_mallocz(sizeof(CharDriverState
));
1061 s
= qemu_mallocz(sizeof(FDCharDriver
));
1069 chr
->chr_write
= fd_chr_write
;
1070 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1074 /* for STDIO, we handle the case where several clients use it
1077 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1079 static int term_got_escape
, client_index
;
1081 void term_print_help(void)
1084 "C-a h print this help\n"
1085 "C-a x exit emulator\n"
1086 "C-a s save disk data back to file (if -snapshot)\n"
1087 "C-a b send break (magic sysrq)\n"
1088 "C-a c switch between console and monitor\n"
1089 "C-a C-a send C-a\n"
1093 /* called when a char is received */
1094 static void stdio_received_byte(int ch
)
1096 if (term_got_escape
) {
1097 term_got_escape
= 0;
1108 for (i
= 0; i
< MAX_DISKS
; i
++) {
1110 bdrv_commit(bs_table
[i
]);
1115 if (client_index
< stdio_nb_clients
) {
1116 CharDriverState
*chr
;
1119 chr
= stdio_clients
[client_index
];
1121 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1126 if (client_index
>= stdio_nb_clients
)
1128 if (client_index
== 0) {
1129 /* send a new line in the monitor to get the prompt */
1137 } else if (ch
== TERM_ESCAPE
) {
1138 term_got_escape
= 1;
1141 if (client_index
< stdio_nb_clients
) {
1143 CharDriverState
*chr
;
1146 chr
= stdio_clients
[client_index
];
1149 /* XXX: should queue the char if the device is not
1151 if (s
->fd_can_read(s
->fd_opaque
) > 0)
1152 s
->fd_read(s
->fd_opaque
, buf
, 1);
1157 static int stdio_can_read(void *opaque
)
1159 /* XXX: not strictly correct */
1163 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1166 for(i
= 0; i
< size
; i
++)
1167 stdio_received_byte(buf
[i
]);
1170 /* init terminal so that we can grab keys */
1171 static struct termios oldtty
;
1172 static int old_fd0_flags
;
1174 static void term_exit(void)
1176 tcsetattr (0, TCSANOW
, &oldtty
);
1177 fcntl(0, F_SETFL
, old_fd0_flags
);
1180 static void term_init(void)
1184 tcgetattr (0, &tty
);
1186 old_fd0_flags
= fcntl(0, F_GETFL
);
1188 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1189 |INLCR
|IGNCR
|ICRNL
|IXON
);
1190 tty
.c_oflag
|= OPOST
;
1191 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1192 /* if graphical mode, we allow Ctrl-C handling */
1194 tty
.c_lflag
&= ~ISIG
;
1195 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1198 tty
.c_cc
[VTIME
] = 0;
1200 tcsetattr (0, TCSANOW
, &tty
);
1204 fcntl(0, F_SETFL
, O_NONBLOCK
);
1207 CharDriverState
*qemu_chr_open_stdio(void)
1209 CharDriverState
*chr
;
1212 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1214 chr
= qemu_chr_open_fd(0, 1);
1215 if (stdio_nb_clients
== 0)
1216 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1217 client_index
= stdio_nb_clients
;
1219 if (stdio_nb_clients
!= 0)
1221 chr
= qemu_chr_open_fd(0, 1);
1223 stdio_clients
[stdio_nb_clients
++] = chr
;
1224 if (stdio_nb_clients
== 1) {
1225 /* set the terminal in raw mode */
1231 #if defined(__linux__)
1232 CharDriverState
*qemu_chr_open_pty(void)
1234 char slave_name
[1024];
1235 int master_fd
, slave_fd
;
1237 /* Not satisfying */
1238 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1241 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1242 return qemu_chr_open_fd(master_fd
, master_fd
);
1245 CharDriverState
*qemu_chr_open_pty(void)
1251 #endif /* !defined(_WIN32) */
1253 CharDriverState
*qemu_chr_open(const char *filename
)
1255 if (!strcmp(filename
, "vc")) {
1256 return text_console_init(&display_state
);
1257 } else if (!strcmp(filename
, "null")) {
1258 return qemu_chr_open_null();
1261 if (!strcmp(filename
, "pty")) {
1262 return qemu_chr_open_pty();
1263 } else if (!strcmp(filename
, "stdio")) {
1264 return qemu_chr_open_stdio();
1272 /***********************************************************/
1273 /* Linux network device redirectors */
1275 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1279 for(i
=0;i
<size
;i
+=16) {
1283 fprintf(f
, "%08x ", i
);
1286 fprintf(f
, " %02x", buf
[i
+j
]);
1291 for(j
=0;j
<len
;j
++) {
1293 if (c
< ' ' || c
> '~')
1295 fprintf(f
, "%c", c
);
1301 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1303 nd
->send_packet(nd
, buf
, size
);
1306 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1307 IOReadHandler
*fd_read
, void *opaque
)
1309 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1312 /* dummy network adapter */
1314 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1318 static void dummy_add_read_packet(NetDriverState
*nd
,
1319 IOCanRWHandler
*fd_can_read
,
1320 IOReadHandler
*fd_read
, void *opaque
)
1324 static int net_dummy_init(NetDriverState
*nd
)
1326 nd
->send_packet
= dummy_send_packet
;
1327 nd
->add_read_packet
= dummy_add_read_packet
;
1328 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1332 #if defined(CONFIG_SLIRP)
1334 /* slirp network adapter */
1336 static void *slirp_fd_opaque
;
1337 static IOCanRWHandler
*slirp_fd_can_read
;
1338 static IOReadHandler
*slirp_fd_read
;
1339 static int slirp_inited
;
1341 int slirp_can_output(void)
1343 return slirp_fd_can_read(slirp_fd_opaque
);
1346 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1349 printf("output:\n");
1350 hex_dump(stdout
, pkt
, pkt_len
);
1352 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1355 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1359 hex_dump(stdout
, buf
, size
);
1361 slirp_input(buf
, size
);
1364 static void slirp_add_read_packet(NetDriverState
*nd
,
1365 IOCanRWHandler
*fd_can_read
,
1366 IOReadHandler
*fd_read
, void *opaque
)
1368 slirp_fd_opaque
= opaque
;
1369 slirp_fd_can_read
= fd_can_read
;
1370 slirp_fd_read
= fd_read
;
1373 static int net_slirp_init(NetDriverState
*nd
)
1375 if (!slirp_inited
) {
1379 nd
->send_packet
= slirp_send_packet
;
1380 nd
->add_read_packet
= slirp_add_read_packet
;
1381 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1385 #endif /* CONFIG_SLIRP */
1387 #if !defined(_WIN32)
1389 static int tun_open(char *ifname
, int ifname_size
)
1395 fd
= open("/dev/tap", O_RDWR
);
1397 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1402 dev
= devname(s
.st_rdev
, S_IFCHR
);
1403 pstrcpy(ifname
, ifname_size
, dev
);
1405 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1409 static int tun_open(char *ifname
, int ifname_size
)
1414 fd
= open("/dev/net/tun", O_RDWR
);
1416 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1419 memset(&ifr
, 0, sizeof(ifr
));
1420 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1421 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1422 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1424 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1428 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1429 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1430 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1435 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1437 write(nd
->fd
, buf
, size
);
1440 static void tun_add_read_packet(NetDriverState
*nd
,
1441 IOCanRWHandler
*fd_can_read
,
1442 IOReadHandler
*fd_read
, void *opaque
)
1444 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1447 static int net_tun_init(NetDriverState
*nd
)
1453 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1457 /* try to launch network init script */
1462 *parg
++ = network_script
;
1463 *parg
++ = nd
->ifname
;
1465 execv(network_script
, args
);
1468 while (waitpid(pid
, &status
, 0) != pid
);
1469 if (!WIFEXITED(status
) ||
1470 WEXITSTATUS(status
) != 0) {
1471 fprintf(stderr
, "%s: could not launch network script\n",
1475 nd
->send_packet
= tun_send_packet
;
1476 nd
->add_read_packet
= tun_add_read_packet
;
1480 static int net_fd_init(NetDriverState
*nd
, int fd
)
1483 nd
->send_packet
= tun_send_packet
;
1484 nd
->add_read_packet
= tun_add_read_packet
;
1485 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1489 #endif /* !_WIN32 */
1491 /***********************************************************/
1494 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1498 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1502 static void dumb_refresh(DisplayState
*ds
)
1504 vga_update_display();
1507 void dumb_display_init(DisplayState
*ds
)
1512 ds
->dpy_update
= dumb_update
;
1513 ds
->dpy_resize
= dumb_resize
;
1514 ds
->dpy_refresh
= dumb_refresh
;
1517 #if !defined(CONFIG_SOFTMMU)
1518 /***********************************************************/
1519 /* cpu signal handler */
1520 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1523 if (cpu_signal_handler(host_signum
, info
, puc
))
1525 if (stdio_nb_clients
> 0)
1531 /***********************************************************/
1534 #define MAX_IO_HANDLERS 64
1536 typedef struct IOHandlerRecord
{
1538 IOCanRWHandler
*fd_can_read
;
1539 IOReadHandler
*fd_read
;
1541 /* temporary data */
1544 struct IOHandlerRecord
*next
;
1547 static IOHandlerRecord
*first_io_handler
;
1549 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1550 IOReadHandler
*fd_read
, void *opaque
)
1552 IOHandlerRecord
*ioh
;
1554 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1558 ioh
->fd_can_read
= fd_can_read
;
1559 ioh
->fd_read
= fd_read
;
1560 ioh
->opaque
= opaque
;
1561 ioh
->next
= first_io_handler
;
1562 first_io_handler
= ioh
;
1566 void qemu_del_fd_read_handler(int fd
)
1568 IOHandlerRecord
**pioh
, *ioh
;
1570 pioh
= &first_io_handler
;
1575 if (ioh
->fd
== fd
) {
1583 /***********************************************************/
1584 /* savevm/loadvm support */
1586 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1588 fwrite(buf
, 1, size
, f
);
1591 void qemu_put_byte(QEMUFile
*f
, int v
)
1596 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1598 qemu_put_byte(f
, v
>> 8);
1599 qemu_put_byte(f
, v
);
1602 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1604 qemu_put_byte(f
, v
>> 24);
1605 qemu_put_byte(f
, v
>> 16);
1606 qemu_put_byte(f
, v
>> 8);
1607 qemu_put_byte(f
, v
);
1610 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1612 qemu_put_be32(f
, v
>> 32);
1613 qemu_put_be32(f
, v
);
1616 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1618 return fread(buf
, 1, size
, f
);
1621 int qemu_get_byte(QEMUFile
*f
)
1631 unsigned int qemu_get_be16(QEMUFile
*f
)
1634 v
= qemu_get_byte(f
) << 8;
1635 v
|= qemu_get_byte(f
);
1639 unsigned int qemu_get_be32(QEMUFile
*f
)
1642 v
= qemu_get_byte(f
) << 24;
1643 v
|= qemu_get_byte(f
) << 16;
1644 v
|= qemu_get_byte(f
) << 8;
1645 v
|= qemu_get_byte(f
);
1649 uint64_t qemu_get_be64(QEMUFile
*f
)
1652 v
= (uint64_t)qemu_get_be32(f
) << 32;
1653 v
|= qemu_get_be32(f
);
1657 int64_t qemu_ftell(QEMUFile
*f
)
1662 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1664 if (fseek(f
, pos
, whence
) < 0)
1669 typedef struct SaveStateEntry
{
1673 SaveStateHandler
*save_state
;
1674 LoadStateHandler
*load_state
;
1676 struct SaveStateEntry
*next
;
1679 static SaveStateEntry
*first_se
;
1681 int register_savevm(const char *idstr
,
1684 SaveStateHandler
*save_state
,
1685 LoadStateHandler
*load_state
,
1688 SaveStateEntry
*se
, **pse
;
1690 se
= qemu_malloc(sizeof(SaveStateEntry
));
1693 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1694 se
->instance_id
= instance_id
;
1695 se
->version_id
= version_id
;
1696 se
->save_state
= save_state
;
1697 se
->load_state
= load_state
;
1698 se
->opaque
= opaque
;
1701 /* add at the end of list */
1703 while (*pse
!= NULL
)
1704 pse
= &(*pse
)->next
;
1709 #define QEMU_VM_FILE_MAGIC 0x5145564d
1710 #define QEMU_VM_FILE_VERSION 0x00000001
1712 int qemu_savevm(const char *filename
)
1716 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1718 saved_vm_running
= vm_running
;
1721 f
= fopen(filename
, "wb");
1727 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1728 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1730 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1732 len
= strlen(se
->idstr
);
1733 qemu_put_byte(f
, len
);
1734 qemu_put_buffer(f
, se
->idstr
, len
);
1736 qemu_put_be32(f
, se
->instance_id
);
1737 qemu_put_be32(f
, se
->version_id
);
1739 /* record size: filled later */
1741 qemu_put_be32(f
, 0);
1743 se
->save_state(f
, se
->opaque
);
1745 /* fill record size */
1747 len
= ftell(f
) - len_pos
- 4;
1748 fseek(f
, len_pos
, SEEK_SET
);
1749 qemu_put_be32(f
, len
);
1750 fseek(f
, cur_pos
, SEEK_SET
);
1756 if (saved_vm_running
)
1761 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1765 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1766 if (!strcmp(se
->idstr
, idstr
) &&
1767 instance_id
== se
->instance_id
)
1773 int qemu_loadvm(const char *filename
)
1777 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
1778 int saved_vm_running
;
1782 saved_vm_running
= vm_running
;
1785 f
= fopen(filename
, "rb");
1791 v
= qemu_get_be32(f
);
1792 if (v
!= QEMU_VM_FILE_MAGIC
)
1794 v
= qemu_get_be32(f
);
1795 if (v
!= QEMU_VM_FILE_VERSION
) {
1802 #if defined (DO_TB_FLUSH)
1803 tb_flush(global_env
);
1805 len
= qemu_get_byte(f
);
1808 qemu_get_buffer(f
, idstr
, len
);
1810 instance_id
= qemu_get_be32(f
);
1811 version_id
= qemu_get_be32(f
);
1812 record_len
= qemu_get_be32(f
);
1814 printf("idstr=%s instance=0x%x version=%d len=%d\n",
1815 idstr
, instance_id
, version_id
, record_len
);
1818 se
= find_se(idstr
, instance_id
);
1820 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
1821 instance_id
, idstr
);
1823 ret
= se
->load_state(f
, se
->opaque
, version_id
);
1825 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
1826 instance_id
, idstr
);
1829 /* always seek to exact end of record */
1830 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
1835 if (saved_vm_running
)
1840 /***********************************************************/
1841 /* cpu save/restore */
1843 #if defined(TARGET_I386)
1845 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
1847 qemu_put_be32(f
, dt
->selector
);
1848 qemu_put_be32(f
, (uint32_t)dt
->base
);
1849 qemu_put_be32(f
, dt
->limit
);
1850 qemu_put_be32(f
, dt
->flags
);
1853 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
1855 dt
->selector
= qemu_get_be32(f
);
1856 dt
->base
= (uint8_t *)qemu_get_be32(f
);
1857 dt
->limit
= qemu_get_be32(f
);
1858 dt
->flags
= qemu_get_be32(f
);
1861 void cpu_save(QEMUFile
*f
, void *opaque
)
1863 CPUState
*env
= opaque
;
1864 uint16_t fptag
, fpus
, fpuc
;
1868 for(i
= 0; i
< 8; i
++)
1869 qemu_put_be32s(f
, &env
->regs
[i
]);
1870 qemu_put_be32s(f
, &env
->eip
);
1871 qemu_put_be32s(f
, &env
->eflags
);
1872 qemu_put_be32s(f
, &env
->eflags
);
1873 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
1874 qemu_put_be32s(f
, &hflags
);
1878 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
1880 for (i
=7; i
>=0; i
--) {
1882 if (env
->fptags
[i
]) {
1887 qemu_put_be16s(f
, &fpuc
);
1888 qemu_put_be16s(f
, &fpus
);
1889 qemu_put_be16s(f
, &fptag
);
1891 for(i
= 0; i
< 8; i
++) {
1894 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
]);
1895 qemu_put_be64(f
, mant
);
1896 qemu_put_be16(f
, exp
);
1899 for(i
= 0; i
< 6; i
++)
1900 cpu_put_seg(f
, &env
->segs
[i
]);
1901 cpu_put_seg(f
, &env
->ldt
);
1902 cpu_put_seg(f
, &env
->tr
);
1903 cpu_put_seg(f
, &env
->gdt
);
1904 cpu_put_seg(f
, &env
->idt
);
1906 qemu_put_be32s(f
, &env
->sysenter_cs
);
1907 qemu_put_be32s(f
, &env
->sysenter_esp
);
1908 qemu_put_be32s(f
, &env
->sysenter_eip
);
1910 qemu_put_be32s(f
, &env
->cr
[0]);
1911 qemu_put_be32s(f
, &env
->cr
[2]);
1912 qemu_put_be32s(f
, &env
->cr
[3]);
1913 qemu_put_be32s(f
, &env
->cr
[4]);
1915 for(i
= 0; i
< 8; i
++)
1916 qemu_put_be32s(f
, &env
->dr
[i
]);
1919 qemu_put_be32s(f
, &env
->a20_mask
);
1922 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
1924 CPUState
*env
= opaque
;
1927 uint16_t fpus
, fpuc
, fptag
;
1929 if (version_id
!= 2)
1931 for(i
= 0; i
< 8; i
++)
1932 qemu_get_be32s(f
, &env
->regs
[i
]);
1933 qemu_get_be32s(f
, &env
->eip
);
1934 qemu_get_be32s(f
, &env
->eflags
);
1935 qemu_get_be32s(f
, &env
->eflags
);
1936 qemu_get_be32s(f
, &hflags
);
1938 qemu_get_be16s(f
, &fpuc
);
1939 qemu_get_be16s(f
, &fpus
);
1940 qemu_get_be16s(f
, &fptag
);
1942 for(i
= 0; i
< 8; i
++) {
1945 mant
= qemu_get_be64(f
);
1946 exp
= qemu_get_be16(f
);
1947 env
->fpregs
[i
] = cpu_set_fp80(mant
, exp
);
1951 env
->fpstt
= (fpus
>> 11) & 7;
1952 env
->fpus
= fpus
& ~0x3800;
1953 for(i
= 0; i
< 8; i
++) {
1954 env
->fptags
[i
] = ((fptag
& 3) == 3);
1958 for(i
= 0; i
< 6; i
++)
1959 cpu_get_seg(f
, &env
->segs
[i
]);
1960 cpu_get_seg(f
, &env
->ldt
);
1961 cpu_get_seg(f
, &env
->tr
);
1962 cpu_get_seg(f
, &env
->gdt
);
1963 cpu_get_seg(f
, &env
->idt
);
1965 qemu_get_be32s(f
, &env
->sysenter_cs
);
1966 qemu_get_be32s(f
, &env
->sysenter_esp
);
1967 qemu_get_be32s(f
, &env
->sysenter_eip
);
1969 qemu_get_be32s(f
, &env
->cr
[0]);
1970 qemu_get_be32s(f
, &env
->cr
[2]);
1971 qemu_get_be32s(f
, &env
->cr
[3]);
1972 qemu_get_be32s(f
, &env
->cr
[4]);
1974 for(i
= 0; i
< 8; i
++)
1975 qemu_get_be32s(f
, &env
->dr
[i
]);
1978 qemu_get_be32s(f
, &env
->a20_mask
);
1980 /* XXX: compute hflags from scratch, except for CPL and IIF */
1981 env
->hflags
= hflags
;
1986 #elif defined(TARGET_PPC)
1987 void cpu_save(QEMUFile
*f
, void *opaque
)
1991 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
1997 #warning No CPU save/restore functions
2001 /***********************************************************/
2002 /* ram save/restore */
2004 /* we just avoid storing empty pages */
2005 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2010 for(i
= 1; i
< len
; i
++) {
2014 qemu_put_byte(f
, 1);
2015 qemu_put_byte(f
, v
);
2018 qemu_put_byte(f
, 0);
2019 qemu_put_buffer(f
, buf
, len
);
2022 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2026 v
= qemu_get_byte(f
);
2029 if (qemu_get_buffer(f
, buf
, len
) != len
)
2033 v
= qemu_get_byte(f
);
2034 memset(buf
, v
, len
);
2042 static void ram_save(QEMUFile
*f
, void *opaque
)
2045 qemu_put_be32(f
, phys_ram_size
);
2046 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2047 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2051 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2055 if (version_id
!= 1)
2057 if (qemu_get_be32(f
) != phys_ram_size
)
2059 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2060 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2067 /***********************************************************/
2068 /* main execution loop */
2070 void gui_update(void *opaque
)
2072 display_state
.dpy_refresh(&display_state
);
2073 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2076 /* XXX: support several handlers */
2077 VMStopHandler
*vm_stop_cb
;
2078 VMStopHandler
*vm_stop_opaque
;
2080 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2083 vm_stop_opaque
= opaque
;
2087 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2100 void vm_stop(int reason
)
2103 cpu_disable_ticks();
2107 vm_stop_cb(vm_stop_opaque
, reason
);
2113 /* reset/shutdown handler */
2115 typedef struct QEMUResetEntry
{
2116 QEMUResetHandler
*func
;
2118 struct QEMUResetEntry
*next
;
2121 static QEMUResetEntry
*first_reset_entry
;
2122 static int reset_requested
;
2123 static int shutdown_requested
;
2125 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2127 QEMUResetEntry
**pre
, *re
;
2129 pre
= &first_reset_entry
;
2130 while (*pre
!= NULL
)
2131 pre
= &(*pre
)->next
;
2132 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2134 re
->opaque
= opaque
;
2139 void qemu_system_reset(void)
2143 /* reset all devices */
2144 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2145 re
->func(re
->opaque
);
2149 void qemu_system_reset_request(void)
2151 reset_requested
= 1;
2152 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2155 void qemu_system_shutdown_request(void)
2157 shutdown_requested
= 1;
2158 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2161 static void main_cpu_reset(void *opaque
)
2164 CPUState
*env
= opaque
;
2169 void main_loop_wait(int timeout
)
2172 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2173 IOHandlerRecord
*ioh
, *ioh_next
;
2183 /* poll any events */
2184 /* XXX: separate device handlers from system ones */
2186 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2187 if (!ioh
->fd_can_read
) {
2190 pf
->events
= POLLIN
;
2194 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2196 if (max_size
> sizeof(buf
))
2197 max_size
= sizeof(buf
);
2199 pf
->events
= POLLIN
;
2206 ioh
->max_size
= max_size
;
2209 ret
= poll(ufds
, pf
- ufds
, timeout
);
2211 /* XXX: better handling of removal */
2212 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2213 ioh_next
= ioh
->next
;
2216 if (pf
->revents
& POLLIN
) {
2217 if (ioh
->max_size
== 0) {
2218 /* just a read event */
2219 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2221 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2223 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2224 } else if (errno
!= EAGAIN
) {
2225 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2232 #endif /* !defined(_WIN32) */
2233 #if defined(CONFIG_SLIRP)
2234 /* XXX: merge with poll() */
2236 fd_set rfds
, wfds
, xfds
;
2244 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2247 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2249 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2255 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2256 qemu_get_clock(vm_clock
));
2258 if (audio_enabled
) {
2259 /* XXX: add explicit timer */
2263 /* run dma transfers, if any */
2267 /* real time timers */
2268 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2269 qemu_get_clock(rt_clock
));
2275 CPUState
*env
= global_env
;
2279 ret
= cpu_exec(env
);
2280 if (shutdown_requested
) {
2281 ret
= EXCP_INTERRUPT
;
2284 if (reset_requested
) {
2285 reset_requested
= 0;
2286 qemu_system_reset();
2287 ret
= EXCP_INTERRUPT
;
2289 if (ret
== EXCP_DEBUG
) {
2290 vm_stop(EXCP_DEBUG
);
2292 /* if hlt instruction, we wait until the next IRQ */
2293 /* XXX: use timeout computed from timers */
2294 if (ret
== EXCP_HLT
)
2301 main_loop_wait(timeout
);
2303 cpu_disable_ticks();
2309 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2310 "usage: %s [options] [disk_image]\n"
2312 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2314 "Standard options:\n"
2315 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2316 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2317 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2318 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2319 "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n"
2320 "-snapshot write to temporary files instead of disk image files\n"
2321 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2322 "-nographic disable graphical output and redirect serial I/Os to console\n"
2323 "-enable-audio enable audio support\n"
2324 "-localtime set the real time clock to local time [default=utc]\n"
2326 "-prep Simulate a PREP system (default is PowerMAC)\n"
2327 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2330 "Network options:\n"
2331 "-nics n simulate 'n' network cards [default=1]\n"
2332 "-macaddr addr set the mac address of the first interface\n"
2333 "-n script set tap/tun network init script [default=%s]\n"
2334 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2336 "-user-net use user mode network stack [default if no tap/tun script]\n"
2338 "-dummy-net use dummy network stack\n"
2340 "Linux boot specific:\n"
2341 "-kernel bzImage use 'bzImage' as kernel image\n"
2342 "-append cmdline use 'cmdline' as kernel command line\n"
2343 "-initrd file use 'file' as initial ram disk\n"
2345 "Debug/Expert options:\n"
2346 "-monitor dev redirect the monitor to char device 'dev'\n"
2347 "-serial dev redirect the serial port to char device 'dev'\n"
2348 "-S freeze CPU at startup (use 'c' to start execution)\n"
2349 "-s wait gdb connection to port %d\n"
2350 "-p port change gdb connection port\n"
2351 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2352 "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
2353 "-L path set the directory for the BIOS and VGA BIOS\n"
2354 #ifdef USE_CODE_COPY
2355 "-no-code-copy disable code copy acceleration\n"
2358 "-isa simulate an ISA-only system (default is PCI system)\n"
2359 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2360 " (default is CL-GD5446 PCI VGA)\n"
2363 "During emulation, the following keys are useful:\n"
2364 "ctrl-shift-f toggle full screen\n"
2365 "ctrl-shift-Fn switch to virtual console 'n'\n"
2366 "ctrl-shift toggle mouse and keyboard grab\n"
2368 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2370 #ifdef CONFIG_SOFTMMU
2376 DEFAULT_NETWORK_SCRIPT
,
2377 DEFAULT_GDBSTUB_PORT
,
2379 #ifndef CONFIG_SOFTMMU
2381 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2382 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2388 #define HAS_ARG 0x0001
2401 QEMU_OPTION_snapshot
,
2403 QEMU_OPTION_nographic
,
2404 QEMU_OPTION_enable_audio
,
2407 QEMU_OPTION_macaddr
,
2410 QEMU_OPTION_user_net
,
2411 QEMU_OPTION_dummy_net
,
2423 QEMU_OPTION_no_code_copy
,
2427 QEMU_OPTION_localtime
,
2428 QEMU_OPTION_cirrusvga
,
2430 QEMU_OPTION_std_vga
,
2431 QEMU_OPTION_monitor
,
2435 typedef struct QEMUOption
{
2441 const QEMUOption qemu_options
[] = {
2442 { "h", 0, QEMU_OPTION_h
},
2444 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2445 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2446 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2447 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2448 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2449 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2450 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2451 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2452 { "snapshot", 0, QEMU_OPTION_snapshot
},
2453 { "m", HAS_ARG
, QEMU_OPTION_m
},
2454 { "nographic", 0, QEMU_OPTION_nographic
},
2455 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2457 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2458 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2459 { "n", HAS_ARG
, QEMU_OPTION_n
},
2460 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2462 { "user-net", 0, QEMU_OPTION_user_net
},
2464 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2466 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2467 { "append", HAS_ARG
, QEMU_OPTION_append
},
2468 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2470 { "S", 0, QEMU_OPTION_S
},
2471 { "s", 0, QEMU_OPTION_s
},
2472 { "p", HAS_ARG
, QEMU_OPTION_p
},
2473 { "d", HAS_ARG
, QEMU_OPTION_d
},
2474 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2475 { "L", HAS_ARG
, QEMU_OPTION_L
},
2476 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2478 { "prep", 0, QEMU_OPTION_prep
},
2479 { "g", 1, QEMU_OPTION_g
},
2481 { "localtime", 0, QEMU_OPTION_localtime
},
2482 { "isa", 0, QEMU_OPTION_isa
},
2483 { "std-vga", 0, QEMU_OPTION_std_vga
},
2484 { "monitor", 1, QEMU_OPTION_monitor
},
2485 { "serial", 1, QEMU_OPTION_serial
},
2487 /* temporary options */
2488 { "pci", 0, QEMU_OPTION_pci
},
2489 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2493 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2495 /* this stack is only used during signal handling */
2496 #define SIGNAL_STACK_SIZE 32768
2498 static uint8_t *signal_stack
;
2502 /* password input */
2504 static BlockDriverState
*get_bdrv(int index
)
2506 BlockDriverState
*bs
;
2509 bs
= bs_table
[index
];
2510 } else if (index
< 6) {
2511 bs
= fd_table
[index
- 4];
2518 static void read_passwords(void)
2520 BlockDriverState
*bs
;
2524 for(i
= 0; i
< 6; i
++) {
2526 if (bs
&& bdrv_is_encrypted(bs
)) {
2527 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2528 for(j
= 0; j
< 3; j
++) {
2529 monitor_readline("Password: ",
2530 1, password
, sizeof(password
));
2531 if (bdrv_set_key(bs
, password
) == 0)
2533 term_printf("invalid password\n");
2539 #define NET_IF_TUN 0
2540 #define NET_IF_USER 1
2541 #define NET_IF_DUMMY 2
2543 int main(int argc
, char **argv
)
2545 #ifdef CONFIG_GDBSTUB
2546 int use_gdbstub
, gdbstub_port
;
2549 int snapshot
, linux_boot
;
2551 const char *initrd_filename
;
2552 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2553 const char *kernel_filename
, *kernel_cmdline
;
2554 DisplayState
*ds
= &display_state
;
2555 int cyls
, heads
, secs
;
2556 int start_emulation
= 1;
2558 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2560 const char *r
, *optarg
;
2561 CharDriverState
*monitor_hd
;
2562 char monitor_device
[128];
2563 char serial_devices
[MAX_SERIAL_PORTS
][128];
2564 int serial_device_index
;
2566 #if !defined(CONFIG_SOFTMMU)
2567 /* we never want that malloc() uses mmap() */
2568 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
2570 initrd_filename
= NULL
;
2571 for(i
= 0; i
< MAX_FD
; i
++)
2572 fd_filename
[i
] = NULL
;
2573 for(i
= 0; i
< MAX_DISKS
; i
++)
2574 hd_filename
[i
] = NULL
;
2575 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
2576 vga_ram_size
= VGA_RAM_SIZE
;
2577 bios_size
= BIOS_SIZE
;
2578 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
2579 #ifdef CONFIG_GDBSTUB
2581 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
2585 kernel_filename
= NULL
;
2586 kernel_cmdline
= "";
2588 cyls
= heads
= secs
= 0;
2589 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
2591 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
2592 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
2593 serial_devices
[i
][0] = '\0';
2594 serial_device_index
= 0;
2599 /* default mac address of the first network interface */
2613 hd_filename
[0] = argv
[optind
++];
2615 const QEMUOption
*popt
;
2618 popt
= qemu_options
;
2621 fprintf(stderr
, "%s: invalid option -- '%s'\n",
2625 if (!strcmp(popt
->name
, r
+ 1))
2629 if (popt
->flags
& HAS_ARG
) {
2630 if (optind
>= argc
) {
2631 fprintf(stderr
, "%s: option '%s' requires an argument\n",
2635 optarg
= argv
[optind
++];
2640 switch(popt
->index
) {
2641 case QEMU_OPTION_initrd
:
2642 initrd_filename
= optarg
;
2644 case QEMU_OPTION_hda
:
2645 hd_filename
[0] = optarg
;
2647 case QEMU_OPTION_hdb
:
2648 hd_filename
[1] = optarg
;
2650 case QEMU_OPTION_snapshot
:
2653 case QEMU_OPTION_hdachs
:
2657 cyls
= strtol(p
, (char **)&p
, 0);
2661 heads
= strtol(p
, (char **)&p
, 0);
2665 secs
= strtol(p
, (char **)&p
, 0);
2672 case QEMU_OPTION_nographic
:
2673 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
2674 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
2677 case QEMU_OPTION_kernel
:
2678 kernel_filename
= optarg
;
2680 case QEMU_OPTION_append
:
2681 kernel_cmdline
= optarg
;
2683 case QEMU_OPTION_tun_fd
:
2687 net_if_type
= NET_IF_TUN
;
2688 if (nb_tun_fds
< MAX_NICS
) {
2689 fd
= strtol(optarg
, (char **)&p
, 0);
2691 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
2694 tun_fds
[nb_tun_fds
++] = fd
;
2698 case QEMU_OPTION_hdc
:
2699 hd_filename
[2] = optarg
;
2702 case QEMU_OPTION_hdd
:
2703 hd_filename
[3] = optarg
;
2705 case QEMU_OPTION_cdrom
:
2706 hd_filename
[2] = optarg
;
2709 case QEMU_OPTION_boot
:
2710 boot_device
= optarg
[0];
2711 if (boot_device
!= 'a' && boot_device
!= 'b' &&
2712 boot_device
!= 'c' && boot_device
!= 'd') {
2713 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
2717 case QEMU_OPTION_fda
:
2718 fd_filename
[0] = optarg
;
2720 case QEMU_OPTION_fdb
:
2721 fd_filename
[1] = optarg
;
2723 case QEMU_OPTION_no_code_copy
:
2724 code_copy_enabled
= 0;
2726 case QEMU_OPTION_nics
:
2727 nb_nics
= atoi(optarg
);
2728 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
2729 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
2733 case QEMU_OPTION_macaddr
:
2738 for(i
= 0; i
< 6; i
++) {
2739 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
2746 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
2754 case QEMU_OPTION_user_net
:
2755 net_if_type
= NET_IF_USER
;
2757 case QEMU_OPTION_dummy_net
:
2758 net_if_type
= NET_IF_DUMMY
;
2760 case QEMU_OPTION_enable_audio
:
2767 ram_size
= atoi(optarg
) * 1024 * 1024;
2770 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
2771 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
2772 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
2781 mask
= cpu_str_to_log_mask(optarg
);
2783 printf("Log items (comma separated):\n");
2784 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
2785 printf("%-10s %s\n", item
->name
, item
->help
);
2793 pstrcpy(network_script
, sizeof(network_script
), optarg
);
2795 #ifdef CONFIG_GDBSTUB
2800 gdbstub_port
= atoi(optarg
);
2807 start_emulation
= 0;
2809 case QEMU_OPTION_pci
:
2812 case QEMU_OPTION_isa
:
2815 case QEMU_OPTION_prep
:
2818 case QEMU_OPTION_localtime
:
2821 case QEMU_OPTION_cirrusvga
:
2822 cirrus_vga_enabled
= 1;
2824 case QEMU_OPTION_std_vga
:
2825 cirrus_vga_enabled
= 0;
2832 w
= strtol(p
, (char **)&p
, 10);
2835 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2841 h
= strtol(p
, (char **)&p
, 10);
2846 depth
= strtol(p
, (char **)&p
, 10);
2847 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2848 depth
!= 24 && depth
!= 32)
2850 } else if (*p
== '\0') {
2851 depth
= graphic_depth
;
2858 graphic_depth
= depth
;
2861 case QEMU_OPTION_monitor
:
2862 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
2864 case QEMU_OPTION_serial
:
2865 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
2866 fprintf(stderr
, "qemu: too many serial ports\n");
2869 pstrcpy(serial_devices
[serial_device_index
],
2870 sizeof(serial_devices
[0]), optarg
);
2871 serial_device_index
++;
2877 linux_boot
= (kernel_filename
!= NULL
);
2879 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
2880 fd_filename
[0] == '\0')
2883 /* boot to cd by default if no hard disk */
2884 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
2885 if (fd_filename
[0] != '\0')
2891 #if !defined(CONFIG_SOFTMMU)
2892 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
2894 static uint8_t stdout_buf
[4096];
2895 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
2898 setvbuf(stdout
, NULL
, _IOLBF
, 0);
2901 /* init host network redirectors */
2902 if (net_if_type
== -1) {
2903 net_if_type
= NET_IF_TUN
;
2904 #if defined(CONFIG_SLIRP)
2905 if (access(network_script
, R_OK
) < 0) {
2906 net_if_type
= NET_IF_USER
;
2911 for(i
= 0; i
< nb_nics
; i
++) {
2912 NetDriverState
*nd
= &nd_table
[i
];
2914 /* init virtual mac address */
2915 nd
->macaddr
[0] = macaddr
[0];
2916 nd
->macaddr
[1] = macaddr
[1];
2917 nd
->macaddr
[2] = macaddr
[2];
2918 nd
->macaddr
[3] = macaddr
[3];
2919 nd
->macaddr
[4] = macaddr
[4];
2920 nd
->macaddr
[5] = macaddr
[5] + i
;
2921 switch(net_if_type
) {
2922 #if defined(CONFIG_SLIRP)
2927 #if !defined(_WIN32)
2929 if (i
< nb_tun_fds
) {
2930 net_fd_init(nd
, tun_fds
[i
]);
2932 if (net_tun_init(nd
) < 0)
2944 /* init the memory */
2945 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
2947 #ifdef CONFIG_SOFTMMU
2949 /* mallocs are always aligned on BSD. valloc is better for correctness */
2950 phys_ram_base
= valloc(phys_ram_size
);
2952 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
2954 if (!phys_ram_base
) {
2955 fprintf(stderr
, "Could not allocate physical memory\n");
2959 /* as we must map the same page at several addresses, we must use
2964 tmpdir
= getenv("QEMU_TMPDIR");
2967 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
2968 if (mkstemp(phys_ram_file
) < 0) {
2969 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
2973 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
2974 if (phys_ram_fd
< 0) {
2975 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
2979 ftruncate(phys_ram_fd
, phys_ram_size
);
2980 unlink(phys_ram_file
);
2981 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
2983 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
2985 if (phys_ram_base
== MAP_FAILED
) {
2986 fprintf(stderr
, "Could not map physical memory\n");
2992 /* we always create the cdrom drive, even if no disk is there */
2995 bs_table
[2] = bdrv_new("cdrom");
2996 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
2999 /* open the virtual block devices */
3000 for(i
= 0; i
< MAX_DISKS
; i
++) {
3001 if (hd_filename
[i
]) {
3004 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3005 bs_table
[i
] = bdrv_new(buf
);
3007 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3008 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3012 if (i
== 0 && cyls
!= 0)
3013 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3017 /* we always create at least one floppy disk */
3018 fd_table
[0] = bdrv_new("fda");
3019 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3021 for(i
= 0; i
< MAX_FD
; i
++) {
3022 if (fd_filename
[i
]) {
3025 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3026 fd_table
[i
] = bdrv_new(buf
);
3027 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3029 if (fd_filename
[i
] != '\0') {
3030 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3031 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3039 /* init CPU state */
3042 cpu_single_env
= env
;
3044 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3045 register_savevm("cpu", 0, 2, cpu_save
, cpu_load
, env
);
3046 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3047 qemu_register_reset(main_cpu_reset
, global_env
);
3050 cpu_calibrate_ticks();
3054 dumb_display_init(ds
);
3057 sdl_display_init(ds
);
3059 dumb_display_init(ds
);
3063 vga_console
= graphic_console_init(ds
);
3065 monitor_hd
= qemu_chr_open(monitor_device
);
3067 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3070 monitor_init(monitor_hd
, !nographic
);
3072 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3073 if (serial_devices
[i
][0] != '\0') {
3074 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3075 if (!serial_hds
[i
]) {
3076 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3080 if (!strcmp(serial_devices
[i
], "vc"))
3081 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3085 /* setup cpu signal handlers for MMU / self modifying code handling */
3086 #if !defined(CONFIG_SOFTMMU)
3088 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3091 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3092 stk
.ss_sp
= signal_stack
;
3093 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3096 if (sigaltstack(&stk
, NULL
) < 0) {
3097 perror("sigaltstack");
3103 struct sigaction act
;
3105 sigfillset(&act
.sa_mask
);
3106 act
.sa_flags
= SA_SIGINFO
;
3107 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3108 act
.sa_flags
|= SA_ONSTACK
;
3110 act
.sa_sigaction
= host_segv_handler
;
3111 sigaction(SIGSEGV
, &act
, NULL
);
3112 sigaction(SIGBUS
, &act
, NULL
);
3113 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3114 sigaction(SIGFPE
, &act
, NULL
);
3121 struct sigaction act
;
3122 sigfillset(&act
.sa_mask
);
3124 act
.sa_handler
= SIG_IGN
;
3125 sigaction(SIGPIPE
, &act
, NULL
);
3130 #if defined(TARGET_I386)
3131 pc_init(ram_size
, vga_ram_size
, boot_device
,
3132 ds
, fd_filename
, snapshot
,
3133 kernel_filename
, kernel_cmdline
, initrd_filename
);
3134 #elif defined(TARGET_PPC)
3135 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3136 ds
, fd_filename
, snapshot
,
3137 kernel_filename
, kernel_cmdline
, initrd_filename
);
3140 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3141 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3143 #ifdef CONFIG_GDBSTUB
3145 if (gdbserver_start(gdbstub_port
) < 0) {
3146 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3150 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3155 /* XXX: simplify init */
3157 if (start_emulation
) {