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 int64_t ticks_per_sec
;
116 int boot_device
= 'c';
118 static char network_script
[1024];
119 int pit_min_timer_count
= 0;
121 NetDriverState nd_table
[MAX_NICS
];
122 QEMUTimer
*gui_timer
;
124 int audio_enabled
= 0;
125 int sb16_enabled
= 1;
126 int adlib_enabled
= 1;
129 int prep_enabled
= 0;
131 int cirrus_vga_enabled
= 1;
132 int graphic_width
= 800;
133 int graphic_height
= 600;
134 int graphic_depth
= 15;
136 TextConsole
*vga_console
;
137 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
139 /***********************************************************/
140 /* x86 ISA bus support */
142 target_phys_addr_t isa_mem_base
= 0;
144 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
146 #ifdef DEBUG_UNUSED_IOPORT
147 fprintf(stderr
, "inb: port=0x%04x\n", address
);
152 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
154 #ifdef DEBUG_UNUSED_IOPORT
155 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
159 /* default is to make two byte accesses */
160 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
163 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
164 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
165 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
169 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
171 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
172 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
173 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
176 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
178 #ifdef DEBUG_UNUSED_IOPORT
179 fprintf(stderr
, "inl: port=0x%04x\n", address
);
184 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
186 #ifdef DEBUG_UNUSED_IOPORT
187 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
191 void init_ioports(void)
195 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
196 ioport_read_table
[0][i
] = default_ioport_readb
;
197 ioport_write_table
[0][i
] = default_ioport_writeb
;
198 ioport_read_table
[1][i
] = default_ioport_readw
;
199 ioport_write_table
[1][i
] = default_ioport_writew
;
200 ioport_read_table
[2][i
] = default_ioport_readl
;
201 ioport_write_table
[2][i
] = default_ioport_writel
;
205 /* size is the word size in byte */
206 int register_ioport_read(int start
, int length
, int size
,
207 IOPortReadFunc
*func
, void *opaque
)
213 } else if (size
== 2) {
215 } else if (size
== 4) {
218 hw_error("register_ioport_read: invalid size");
221 for(i
= start
; i
< start
+ length
; i
+= size
) {
222 ioport_read_table
[bsize
][i
] = func
;
223 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
224 hw_error("register_ioport_read: invalid opaque");
225 ioport_opaque
[i
] = opaque
;
230 /* size is the word size in byte */
231 int register_ioport_write(int start
, int length
, int size
,
232 IOPortWriteFunc
*func
, void *opaque
)
238 } else if (size
== 2) {
240 } else if (size
== 4) {
243 hw_error("register_ioport_write: invalid size");
246 for(i
= start
; i
< start
+ length
; i
+= size
) {
247 ioport_write_table
[bsize
][i
] = func
;
248 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
249 hw_error("register_ioport_read: invalid opaque");
250 ioport_opaque
[i
] = opaque
;
255 void isa_unassign_ioport(int start
, int length
)
259 for(i
= start
; i
< start
+ length
; i
++) {
260 ioport_read_table
[0][i
] = default_ioport_readb
;
261 ioport_read_table
[1][i
] = default_ioport_readw
;
262 ioport_read_table
[2][i
] = default_ioport_readl
;
264 ioport_write_table
[0][i
] = default_ioport_writeb
;
265 ioport_write_table
[1][i
] = default_ioport_writew
;
266 ioport_write_table
[2][i
] = default_ioport_writel
;
270 void pstrcpy(char *buf
, int buf_size
, const char *str
)
280 if (c
== 0 || q
>= buf
+ buf_size
- 1)
287 /* strcat and truncate. */
288 char *pstrcat(char *buf
, int buf_size
, const char *s
)
293 pstrcpy(buf
+ len
, buf_size
- len
, s
);
297 int strstart(const char *str
, const char *val
, const char **ptr
)
313 /* return the size or -1 if error */
314 int get_image_size(const char *filename
)
317 fd
= open(filename
, O_RDONLY
| O_BINARY
);
320 size
= lseek(fd
, 0, SEEK_END
);
325 /* return the size or -1 if error */
326 int load_image(const char *filename
, uint8_t *addr
)
329 fd
= open(filename
, O_RDONLY
| O_BINARY
);
332 size
= lseek(fd
, 0, SEEK_END
);
333 lseek(fd
, 0, SEEK_SET
);
334 if (read(fd
, addr
, size
) != size
) {
342 void cpu_outb(CPUState
*env
, int addr
, int val
)
345 if (loglevel
& CPU_LOG_IOPORT
)
346 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
348 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
351 void cpu_outw(CPUState
*env
, int addr
, int val
)
354 if (loglevel
& CPU_LOG_IOPORT
)
355 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
357 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
360 void cpu_outl(CPUState
*env
, int addr
, int val
)
363 if (loglevel
& CPU_LOG_IOPORT
)
364 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
366 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
369 int cpu_inb(CPUState
*env
, int addr
)
372 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
374 if (loglevel
& CPU_LOG_IOPORT
)
375 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
380 int cpu_inw(CPUState
*env
, int addr
)
383 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
385 if (loglevel
& CPU_LOG_IOPORT
)
386 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
391 int cpu_inl(CPUState
*env
, int addr
)
394 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
396 if (loglevel
& CPU_LOG_IOPORT
)
397 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
402 /***********************************************************/
403 void hw_error(const char *fmt
, ...)
408 fprintf(stderr
, "qemu: hardware error: ");
409 vfprintf(stderr
, fmt
, ap
);
410 fprintf(stderr
, "\n");
412 cpu_dump_state(global_env
, stderr
, fprintf
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
414 cpu_dump_state(global_env
, stderr
, fprintf
, 0);
420 /***********************************************************/
423 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
424 static void *qemu_put_kbd_event_opaque
;
425 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
426 static void *qemu_put_mouse_event_opaque
;
428 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
430 qemu_put_kbd_event_opaque
= opaque
;
431 qemu_put_kbd_event
= func
;
434 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
436 qemu_put_mouse_event_opaque
= opaque
;
437 qemu_put_mouse_event
= func
;
440 void kbd_put_keycode(int keycode
)
442 if (qemu_put_kbd_event
) {
443 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
447 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
449 if (qemu_put_mouse_event
) {
450 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
451 dx
, dy
, dz
, buttons_state
);
455 /***********************************************************/
458 #if defined(__powerpc__)
460 static inline uint32_t get_tbl(void)
463 asm volatile("mftb %0" : "=r" (tbl
));
467 static inline uint32_t get_tbu(void)
470 asm volatile("mftbu %0" : "=r" (tbl
));
474 int64_t cpu_get_real_ticks(void)
477 /* NOTE: we test if wrapping has occurred */
483 return ((int64_t)h
<< 32) | l
;
486 #elif defined(__i386__)
488 int64_t cpu_get_real_ticks(void)
491 asm volatile ("rdtsc" : "=A" (val
));
495 #elif defined(__x86_64__)
497 int64_t cpu_get_real_ticks(void)
501 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
509 #error unsupported CPU
512 static int64_t cpu_ticks_offset
;
513 static int cpu_ticks_enabled
;
515 static inline int64_t cpu_get_ticks(void)
517 if (!cpu_ticks_enabled
) {
518 return cpu_ticks_offset
;
520 return cpu_get_real_ticks() + cpu_ticks_offset
;
524 /* enable cpu_get_ticks() */
525 void cpu_enable_ticks(void)
527 if (!cpu_ticks_enabled
) {
528 cpu_ticks_offset
-= cpu_get_real_ticks();
529 cpu_ticks_enabled
= 1;
533 /* disable cpu_get_ticks() : the clock is stopped. You must not call
534 cpu_get_ticks() after that. */
535 void cpu_disable_ticks(void)
537 if (cpu_ticks_enabled
) {
538 cpu_ticks_offset
= cpu_get_ticks();
539 cpu_ticks_enabled
= 0;
543 static int64_t get_clock(void)
548 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
551 gettimeofday(&tv
, NULL
);
552 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
556 void cpu_calibrate_ticks(void)
561 ticks
= cpu_get_real_ticks();
567 usec
= get_clock() - usec
;
568 ticks
= cpu_get_real_ticks() - ticks
;
569 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
572 /* compute with 96 bit intermediate result: (a*b)/c */
573 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
578 #ifdef WORDS_BIGENDIAN
588 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
589 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
592 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
596 #define QEMU_TIMER_REALTIME 0
597 #define QEMU_TIMER_VIRTUAL 1
601 /* XXX: add frequency */
609 struct QEMUTimer
*next
;
615 static QEMUTimer
*active_timers
[2];
617 static MMRESULT timerID
;
619 /* frequency of the times() clock tick */
620 static int timer_freq
;
623 QEMUClock
*qemu_new_clock(int type
)
626 clock
= qemu_mallocz(sizeof(QEMUClock
));
633 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
637 ts
= qemu_mallocz(sizeof(QEMUTimer
));
644 void qemu_free_timer(QEMUTimer
*ts
)
649 /* stop a timer, but do not dealloc it */
650 void qemu_del_timer(QEMUTimer
*ts
)
654 /* NOTE: this code must be signal safe because
655 qemu_timer_expired() can be called from a signal. */
656 pt
= &active_timers
[ts
->clock
->type
];
669 /* modify the current timer so that it will be fired when current_time
670 >= expire_time. The corresponding callback will be called. */
671 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
677 /* add the timer in the sorted list */
678 /* NOTE: this code must be signal safe because
679 qemu_timer_expired() can be called from a signal. */
680 pt
= &active_timers
[ts
->clock
->type
];
685 if (t
->expire_time
> expire_time
)
689 ts
->expire_time
= expire_time
;
694 int qemu_timer_pending(QEMUTimer
*ts
)
697 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
704 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
708 return (timer_head
->expire_time
<= current_time
);
711 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
717 if (!ts
|| ts
->expire_time
> current_time
)
719 /* remove timer from the list before calling the callback */
720 *ptimer_head
= ts
->next
;
723 /* run the callback (the timer list can be modified) */
728 int64_t qemu_get_clock(QEMUClock
*clock
)
730 switch(clock
->type
) {
731 case QEMU_TIMER_REALTIME
:
733 return GetTickCount();
738 /* Note that using gettimeofday() is not a good solution
739 for timers because its value change when the date is
741 if (timer_freq
== 100) {
742 return times(&tp
) * 10;
744 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
749 case QEMU_TIMER_VIRTUAL
:
750 return cpu_get_ticks();
755 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
757 uint64_t expire_time
;
759 if (qemu_timer_pending(ts
)) {
760 expire_time
= ts
->expire_time
;
764 qemu_put_be64(f
, expire_time
);
767 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
769 uint64_t expire_time
;
771 expire_time
= qemu_get_be64(f
);
772 if (expire_time
!= -1) {
773 qemu_mod_timer(ts
, expire_time
);
779 static void timer_save(QEMUFile
*f
, void *opaque
)
781 if (cpu_ticks_enabled
) {
782 hw_error("cannot save state if virtual timers are running");
784 qemu_put_be64s(f
, &cpu_ticks_offset
);
785 qemu_put_be64s(f
, &ticks_per_sec
);
788 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
792 if (cpu_ticks_enabled
) {
795 qemu_get_be64s(f
, &cpu_ticks_offset
);
796 qemu_get_be64s(f
, &ticks_per_sec
);
801 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
802 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
804 static void host_alarm_handler(int host_signum
)
808 #define DISP_FREQ 1000
810 static int64_t delta_min
= INT64_MAX
;
811 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
813 ti
= qemu_get_clock(vm_clock
);
814 if (last_clock
!= 0) {
815 delta
= ti
- last_clock
;
816 if (delta
< delta_min
)
818 if (delta
> delta_max
)
821 if (++count
== DISP_FREQ
) {
822 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
823 muldiv64(delta_min
, 1000000, ticks_per_sec
),
824 muldiv64(delta_max
, 1000000, ticks_per_sec
),
825 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
826 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
828 delta_min
= INT64_MAX
;
836 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
837 qemu_get_clock(vm_clock
)) ||
838 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
839 qemu_get_clock(rt_clock
))) {
840 /* stop the cpu because a timer occured */
841 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
847 #if defined(__linux__)
849 #define RTC_FREQ 1024
853 static int start_rtc_timer(void)
855 rtc_fd
= open("/dev/rtc", O_RDONLY
);
858 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
859 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
860 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
861 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
864 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
869 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
875 static int start_rtc_timer(void)
880 #endif /* !defined(__linux__) */
882 #endif /* !defined(_WIN32) */
884 static void init_timers(void)
886 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
887 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
892 timerID
= timeSetEvent(10, // interval (ms)
894 host_alarm_handler
, // function
895 (DWORD
)&count
, // user parameter
896 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
898 perror("failed timer alarm");
902 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
905 struct sigaction act
;
906 struct itimerval itv
;
908 /* get times() syscall frequency */
909 timer_freq
= sysconf(_SC_CLK_TCK
);
912 sigfillset(&act
.sa_mask
);
914 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
915 act
.sa_flags
|= SA_ONSTACK
;
917 act
.sa_handler
= host_alarm_handler
;
918 sigaction(SIGALRM
, &act
, NULL
);
920 itv
.it_interval
.tv_sec
= 0;
921 itv
.it_interval
.tv_usec
= 1000;
922 itv
.it_value
.tv_sec
= 0;
923 itv
.it_value
.tv_usec
= 10 * 1000;
924 setitimer(ITIMER_REAL
, &itv
, NULL
);
925 /* we probe the tick duration of the kernel to inform the user if
926 the emulated kernel requested a too high timer frequency */
927 getitimer(ITIMER_REAL
, &itv
);
929 #if defined(__linux__)
930 if (itv
.it_interval
.tv_usec
> 1000) {
931 /* try to use /dev/rtc to have a faster timer */
932 if (start_rtc_timer() < 0)
935 itv
.it_interval
.tv_sec
= 0;
936 itv
.it_interval
.tv_usec
= 0;
937 itv
.it_value
.tv_sec
= 0;
938 itv
.it_value
.tv_usec
= 0;
939 setitimer(ITIMER_REAL
, &itv
, NULL
);
942 sigaction(SIGIO
, &act
, NULL
);
943 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
944 fcntl(rtc_fd
, F_SETOWN
, getpid());
946 #endif /* defined(__linux__) */
949 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
956 void quit_timers(void)
959 timeKillEvent(timerID
);
963 /***********************************************************/
964 /* character device */
966 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
968 return s
->chr_write(s
, buf
, len
);
971 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
976 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
977 qemu_chr_write(s
, buf
, strlen(buf
));
981 void qemu_chr_send_event(CharDriverState
*s
, int event
)
983 if (s
->chr_send_event
)
984 s
->chr_send_event(s
, event
);
987 void qemu_chr_add_read_handler(CharDriverState
*s
,
988 IOCanRWHandler
*fd_can_read
,
989 IOReadHandler
*fd_read
, void *opaque
)
991 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
994 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
996 s
->chr_event
= chr_event
;
999 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1004 static void null_chr_add_read_handler(CharDriverState
*chr
,
1005 IOCanRWHandler
*fd_can_read
,
1006 IOReadHandler
*fd_read
, void *opaque
)
1010 CharDriverState
*qemu_chr_open_null(void)
1012 CharDriverState
*chr
;
1014 chr
= qemu_mallocz(sizeof(CharDriverState
));
1017 chr
->chr_write
= null_chr_write
;
1018 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1026 /* for nographic stdio only */
1027 IOCanRWHandler
*fd_can_read
;
1028 IOReadHandler
*fd_read
;
1032 #define STDIO_MAX_CLIENTS 2
1034 static int stdio_nb_clients
;
1035 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1037 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1043 ret
= write(fd
, buf
, len
);
1045 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1047 } else if (ret
== 0) {
1057 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1059 FDCharDriver
*s
= chr
->opaque
;
1060 return unix_write(s
->fd_out
, buf
, len
);
1063 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1064 IOCanRWHandler
*fd_can_read
,
1065 IOReadHandler
*fd_read
, void *opaque
)
1067 FDCharDriver
*s
= chr
->opaque
;
1069 if (nographic
&& s
->fd_in
== 0) {
1070 s
->fd_can_read
= fd_can_read
;
1071 s
->fd_read
= fd_read
;
1072 s
->fd_opaque
= opaque
;
1074 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1078 /* open a character device to a unix fd */
1079 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1081 CharDriverState
*chr
;
1084 chr
= qemu_mallocz(sizeof(CharDriverState
));
1087 s
= qemu_mallocz(sizeof(FDCharDriver
));
1095 chr
->chr_write
= fd_chr_write
;
1096 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1100 /* for STDIO, we handle the case where several clients use it
1103 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1105 static int term_got_escape
, client_index
;
1107 void term_print_help(void)
1110 "C-a h print this help\n"
1111 "C-a x exit emulator\n"
1112 "C-a s save disk data back to file (if -snapshot)\n"
1113 "C-a b send break (magic sysrq)\n"
1114 "C-a c switch between console and monitor\n"
1115 "C-a C-a send C-a\n"
1119 /* called when a char is received */
1120 static void stdio_received_byte(int ch
)
1122 if (term_got_escape
) {
1123 term_got_escape
= 0;
1134 for (i
= 0; i
< MAX_DISKS
; i
++) {
1136 bdrv_commit(bs_table
[i
]);
1141 if (client_index
< stdio_nb_clients
) {
1142 CharDriverState
*chr
;
1145 chr
= stdio_clients
[client_index
];
1147 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1152 if (client_index
>= stdio_nb_clients
)
1154 if (client_index
== 0) {
1155 /* send a new line in the monitor to get the prompt */
1163 } else if (ch
== TERM_ESCAPE
) {
1164 term_got_escape
= 1;
1167 if (client_index
< stdio_nb_clients
) {
1169 CharDriverState
*chr
;
1172 chr
= stdio_clients
[client_index
];
1175 /* XXX: should queue the char if the device is not
1177 if (s
->fd_can_read(s
->fd_opaque
) > 0)
1178 s
->fd_read(s
->fd_opaque
, buf
, 1);
1183 static int stdio_can_read(void *opaque
)
1185 /* XXX: not strictly correct */
1189 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1192 for(i
= 0; i
< size
; i
++)
1193 stdio_received_byte(buf
[i
]);
1196 /* init terminal so that we can grab keys */
1197 static struct termios oldtty
;
1198 static int old_fd0_flags
;
1200 static void term_exit(void)
1202 tcsetattr (0, TCSANOW
, &oldtty
);
1203 fcntl(0, F_SETFL
, old_fd0_flags
);
1206 static void term_init(void)
1210 tcgetattr (0, &tty
);
1212 old_fd0_flags
= fcntl(0, F_GETFL
);
1214 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1215 |INLCR
|IGNCR
|ICRNL
|IXON
);
1216 tty
.c_oflag
|= OPOST
;
1217 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1218 /* if graphical mode, we allow Ctrl-C handling */
1220 tty
.c_lflag
&= ~ISIG
;
1221 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1224 tty
.c_cc
[VTIME
] = 0;
1226 tcsetattr (0, TCSANOW
, &tty
);
1230 fcntl(0, F_SETFL
, O_NONBLOCK
);
1233 CharDriverState
*qemu_chr_open_stdio(void)
1235 CharDriverState
*chr
;
1238 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1240 chr
= qemu_chr_open_fd(0, 1);
1241 if (stdio_nb_clients
== 0)
1242 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1243 client_index
= stdio_nb_clients
;
1245 if (stdio_nb_clients
!= 0)
1247 chr
= qemu_chr_open_fd(0, 1);
1249 stdio_clients
[stdio_nb_clients
++] = chr
;
1250 if (stdio_nb_clients
== 1) {
1251 /* set the terminal in raw mode */
1257 #if defined(__linux__)
1258 CharDriverState
*qemu_chr_open_pty(void)
1260 char slave_name
[1024];
1261 int master_fd
, slave_fd
;
1263 /* Not satisfying */
1264 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1267 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1268 return qemu_chr_open_fd(master_fd
, master_fd
);
1271 CharDriverState
*qemu_chr_open_pty(void)
1277 #endif /* !defined(_WIN32) */
1279 CharDriverState
*qemu_chr_open(const char *filename
)
1281 if (!strcmp(filename
, "vc")) {
1282 return text_console_init(&display_state
);
1283 } else if (!strcmp(filename
, "null")) {
1284 return qemu_chr_open_null();
1287 if (!strcmp(filename
, "pty")) {
1288 return qemu_chr_open_pty();
1289 } else if (!strcmp(filename
, "stdio")) {
1290 return qemu_chr_open_stdio();
1298 /***********************************************************/
1299 /* Linux network device redirectors */
1301 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1305 for(i
=0;i
<size
;i
+=16) {
1309 fprintf(f
, "%08x ", i
);
1312 fprintf(f
, " %02x", buf
[i
+j
]);
1317 for(j
=0;j
<len
;j
++) {
1319 if (c
< ' ' || c
> '~')
1321 fprintf(f
, "%c", c
);
1327 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1329 nd
->send_packet(nd
, buf
, size
);
1332 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1333 IOReadHandler
*fd_read
, void *opaque
)
1335 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1338 /* dummy network adapter */
1340 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1344 static void dummy_add_read_packet(NetDriverState
*nd
,
1345 IOCanRWHandler
*fd_can_read
,
1346 IOReadHandler
*fd_read
, void *opaque
)
1350 static int net_dummy_init(NetDriverState
*nd
)
1352 nd
->send_packet
= dummy_send_packet
;
1353 nd
->add_read_packet
= dummy_add_read_packet
;
1354 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1358 #if defined(CONFIG_SLIRP)
1360 /* slirp network adapter */
1362 static void *slirp_fd_opaque
;
1363 static IOCanRWHandler
*slirp_fd_can_read
;
1364 static IOReadHandler
*slirp_fd_read
;
1365 static int slirp_inited
;
1367 int slirp_can_output(void)
1369 return slirp_fd_can_read(slirp_fd_opaque
);
1372 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1375 printf("output:\n");
1376 hex_dump(stdout
, pkt
, pkt_len
);
1378 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1381 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1385 hex_dump(stdout
, buf
, size
);
1387 slirp_input(buf
, size
);
1390 static void slirp_add_read_packet(NetDriverState
*nd
,
1391 IOCanRWHandler
*fd_can_read
,
1392 IOReadHandler
*fd_read
, void *opaque
)
1394 slirp_fd_opaque
= opaque
;
1395 slirp_fd_can_read
= fd_can_read
;
1396 slirp_fd_read
= fd_read
;
1399 static int net_slirp_init(NetDriverState
*nd
)
1401 if (!slirp_inited
) {
1405 nd
->send_packet
= slirp_send_packet
;
1406 nd
->add_read_packet
= slirp_add_read_packet
;
1407 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1411 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
1416 p1
= strchr(p
, sep
);
1422 if (len
> buf_size
- 1)
1424 memcpy(buf
, p
, len
);
1431 static void net_slirp_redir(const char *redir_str
)
1436 struct in_addr guest_addr
;
1437 int host_port
, guest_port
;
1439 if (!slirp_inited
) {
1445 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1447 if (!strcmp(buf
, "tcp")) {
1449 } else if (!strcmp(buf
, "udp")) {
1455 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1457 host_port
= strtol(buf
, &r
, 0);
1461 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1463 if (buf
[0] == '\0') {
1464 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
1466 if (!inet_aton(buf
, &guest_addr
))
1469 guest_port
= strtol(p
, &r
, 0);
1473 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
1474 fprintf(stderr
, "qemu: could not set up redirection\n");
1479 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1487 static void smb_exit(void)
1491 char filename
[1024];
1493 /* erase all the files in the directory */
1494 d
= opendir(smb_dir
);
1499 if (strcmp(de
->d_name
, ".") != 0 &&
1500 strcmp(de
->d_name
, "..") != 0) {
1501 snprintf(filename
, sizeof(filename
), "%s/%s",
1502 smb_dir
, de
->d_name
);
1510 /* automatic user mode samba server configuration */
1511 void net_slirp_smb(const char *exported_dir
)
1513 char smb_conf
[1024];
1514 char smb_cmdline
[1024];
1517 if (!slirp_inited
) {
1522 /* XXX: better tmp dir construction */
1523 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
1524 if (mkdir(smb_dir
, 0700) < 0) {
1525 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1528 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1530 f
= fopen(smb_conf
, "w");
1532 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1537 "pid directory=%s\n"
1538 "lock directory=%s\n"
1539 "log file=%s/log.smbd\n"
1540 "smb passwd file=%s/smbpasswd\n"
1541 "security = share\n"
1555 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "/usr/sbin/smbd -s %s",
1558 slirp_add_exec(0, smb_cmdline
, 4, 139);
1561 #endif /* !defined(_WIN32) */
1563 #endif /* CONFIG_SLIRP */
1565 #if !defined(_WIN32)
1567 static int tun_open(char *ifname
, int ifname_size
)
1573 fd
= open("/dev/tap", O_RDWR
);
1575 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1580 dev
= devname(s
.st_rdev
, S_IFCHR
);
1581 pstrcpy(ifname
, ifname_size
, dev
);
1583 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1587 static int tun_open(char *ifname
, int ifname_size
)
1592 fd
= open("/dev/net/tun", O_RDWR
);
1594 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1597 memset(&ifr
, 0, sizeof(ifr
));
1598 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1599 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1600 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1602 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1606 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1607 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1608 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1613 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1615 write(nd
->fd
, buf
, size
);
1618 static void tun_add_read_packet(NetDriverState
*nd
,
1619 IOCanRWHandler
*fd_can_read
,
1620 IOReadHandler
*fd_read
, void *opaque
)
1622 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1625 static int net_tun_init(NetDriverState
*nd
)
1631 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1635 /* try to launch network init script */
1640 *parg
++ = network_script
;
1641 *parg
++ = nd
->ifname
;
1643 execv(network_script
, args
);
1646 while (waitpid(pid
, &status
, 0) != pid
);
1647 if (!WIFEXITED(status
) ||
1648 WEXITSTATUS(status
) != 0) {
1649 fprintf(stderr
, "%s: could not launch network script\n",
1653 nd
->send_packet
= tun_send_packet
;
1654 nd
->add_read_packet
= tun_add_read_packet
;
1658 static int net_fd_init(NetDriverState
*nd
, int fd
)
1661 nd
->send_packet
= tun_send_packet
;
1662 nd
->add_read_packet
= tun_add_read_packet
;
1663 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1667 #endif /* !_WIN32 */
1669 /***********************************************************/
1672 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1676 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1680 static void dumb_refresh(DisplayState
*ds
)
1682 vga_update_display();
1685 void dumb_display_init(DisplayState
*ds
)
1690 ds
->dpy_update
= dumb_update
;
1691 ds
->dpy_resize
= dumb_resize
;
1692 ds
->dpy_refresh
= dumb_refresh
;
1695 #if !defined(CONFIG_SOFTMMU)
1696 /***********************************************************/
1697 /* cpu signal handler */
1698 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1701 if (cpu_signal_handler(host_signum
, info
, puc
))
1703 if (stdio_nb_clients
> 0)
1709 /***********************************************************/
1712 #define MAX_IO_HANDLERS 64
1714 typedef struct IOHandlerRecord
{
1716 IOCanRWHandler
*fd_can_read
;
1717 IOReadHandler
*fd_read
;
1719 /* temporary data */
1722 struct IOHandlerRecord
*next
;
1725 static IOHandlerRecord
*first_io_handler
;
1727 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1728 IOReadHandler
*fd_read
, void *opaque
)
1730 IOHandlerRecord
*ioh
;
1732 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1736 ioh
->fd_can_read
= fd_can_read
;
1737 ioh
->fd_read
= fd_read
;
1738 ioh
->opaque
= opaque
;
1739 ioh
->next
= first_io_handler
;
1740 first_io_handler
= ioh
;
1744 void qemu_del_fd_read_handler(int fd
)
1746 IOHandlerRecord
**pioh
, *ioh
;
1748 pioh
= &first_io_handler
;
1753 if (ioh
->fd
== fd
) {
1761 /***********************************************************/
1762 /* savevm/loadvm support */
1764 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1766 fwrite(buf
, 1, size
, f
);
1769 void qemu_put_byte(QEMUFile
*f
, int v
)
1774 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1776 qemu_put_byte(f
, v
>> 8);
1777 qemu_put_byte(f
, v
);
1780 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1782 qemu_put_byte(f
, v
>> 24);
1783 qemu_put_byte(f
, v
>> 16);
1784 qemu_put_byte(f
, v
>> 8);
1785 qemu_put_byte(f
, v
);
1788 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1790 qemu_put_be32(f
, v
>> 32);
1791 qemu_put_be32(f
, v
);
1794 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1796 return fread(buf
, 1, size
, f
);
1799 int qemu_get_byte(QEMUFile
*f
)
1809 unsigned int qemu_get_be16(QEMUFile
*f
)
1812 v
= qemu_get_byte(f
) << 8;
1813 v
|= qemu_get_byte(f
);
1817 unsigned int qemu_get_be32(QEMUFile
*f
)
1820 v
= qemu_get_byte(f
) << 24;
1821 v
|= qemu_get_byte(f
) << 16;
1822 v
|= qemu_get_byte(f
) << 8;
1823 v
|= qemu_get_byte(f
);
1827 uint64_t qemu_get_be64(QEMUFile
*f
)
1830 v
= (uint64_t)qemu_get_be32(f
) << 32;
1831 v
|= qemu_get_be32(f
);
1835 int64_t qemu_ftell(QEMUFile
*f
)
1840 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1842 if (fseek(f
, pos
, whence
) < 0)
1847 typedef struct SaveStateEntry
{
1851 SaveStateHandler
*save_state
;
1852 LoadStateHandler
*load_state
;
1854 struct SaveStateEntry
*next
;
1857 static SaveStateEntry
*first_se
;
1859 int register_savevm(const char *idstr
,
1862 SaveStateHandler
*save_state
,
1863 LoadStateHandler
*load_state
,
1866 SaveStateEntry
*se
, **pse
;
1868 se
= qemu_malloc(sizeof(SaveStateEntry
));
1871 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1872 se
->instance_id
= instance_id
;
1873 se
->version_id
= version_id
;
1874 se
->save_state
= save_state
;
1875 se
->load_state
= load_state
;
1876 se
->opaque
= opaque
;
1879 /* add at the end of list */
1881 while (*pse
!= NULL
)
1882 pse
= &(*pse
)->next
;
1887 #define QEMU_VM_FILE_MAGIC 0x5145564d
1888 #define QEMU_VM_FILE_VERSION 0x00000001
1890 int qemu_savevm(const char *filename
)
1894 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1896 saved_vm_running
= vm_running
;
1899 f
= fopen(filename
, "wb");
1905 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1906 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1908 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1910 len
= strlen(se
->idstr
);
1911 qemu_put_byte(f
, len
);
1912 qemu_put_buffer(f
, se
->idstr
, len
);
1914 qemu_put_be32(f
, se
->instance_id
);
1915 qemu_put_be32(f
, se
->version_id
);
1917 /* record size: filled later */
1919 qemu_put_be32(f
, 0);
1921 se
->save_state(f
, se
->opaque
);
1923 /* fill record size */
1925 len
= ftell(f
) - len_pos
- 4;
1926 fseek(f
, len_pos
, SEEK_SET
);
1927 qemu_put_be32(f
, len
);
1928 fseek(f
, cur_pos
, SEEK_SET
);
1934 if (saved_vm_running
)
1939 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1943 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1944 if (!strcmp(se
->idstr
, idstr
) &&
1945 instance_id
== se
->instance_id
)
1951 int qemu_loadvm(const char *filename
)
1955 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
1956 int saved_vm_running
;
1960 saved_vm_running
= vm_running
;
1963 f
= fopen(filename
, "rb");
1969 v
= qemu_get_be32(f
);
1970 if (v
!= QEMU_VM_FILE_MAGIC
)
1972 v
= qemu_get_be32(f
);
1973 if (v
!= QEMU_VM_FILE_VERSION
) {
1980 #if defined (DO_TB_FLUSH)
1981 tb_flush(global_env
);
1983 len
= qemu_get_byte(f
);
1986 qemu_get_buffer(f
, idstr
, len
);
1988 instance_id
= qemu_get_be32(f
);
1989 version_id
= qemu_get_be32(f
);
1990 record_len
= qemu_get_be32(f
);
1992 printf("idstr=%s instance=0x%x version=%d len=%d\n",
1993 idstr
, instance_id
, version_id
, record_len
);
1996 se
= find_se(idstr
, instance_id
);
1998 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
1999 instance_id
, idstr
);
2001 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2003 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2004 instance_id
, idstr
);
2007 /* always seek to exact end of record */
2008 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2013 if (saved_vm_running
)
2018 /***********************************************************/
2019 /* cpu save/restore */
2021 #if defined(TARGET_I386)
2023 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2025 qemu_put_be32(f
, dt
->selector
);
2026 qemu_put_be32(f
, (uint32_t)dt
->base
);
2027 qemu_put_be32(f
, dt
->limit
);
2028 qemu_put_be32(f
, dt
->flags
);
2031 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2033 dt
->selector
= qemu_get_be32(f
);
2034 dt
->base
= (uint8_t *)qemu_get_be32(f
);
2035 dt
->limit
= qemu_get_be32(f
);
2036 dt
->flags
= qemu_get_be32(f
);
2039 void cpu_save(QEMUFile
*f
, void *opaque
)
2041 CPUState
*env
= opaque
;
2042 uint16_t fptag
, fpus
, fpuc
;
2046 for(i
= 0; i
< 8; i
++)
2047 qemu_put_be32s(f
, &env
->regs
[i
]);
2048 qemu_put_be32s(f
, &env
->eip
);
2049 qemu_put_be32s(f
, &env
->eflags
);
2050 qemu_put_be32s(f
, &env
->eflags
);
2051 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2052 qemu_put_be32s(f
, &hflags
);
2056 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2058 for (i
=7; i
>=0; i
--) {
2060 if (env
->fptags
[i
]) {
2065 qemu_put_be16s(f
, &fpuc
);
2066 qemu_put_be16s(f
, &fpus
);
2067 qemu_put_be16s(f
, &fptag
);
2069 for(i
= 0; i
< 8; i
++) {
2072 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
]);
2073 qemu_put_be64(f
, mant
);
2074 qemu_put_be16(f
, exp
);
2077 for(i
= 0; i
< 6; i
++)
2078 cpu_put_seg(f
, &env
->segs
[i
]);
2079 cpu_put_seg(f
, &env
->ldt
);
2080 cpu_put_seg(f
, &env
->tr
);
2081 cpu_put_seg(f
, &env
->gdt
);
2082 cpu_put_seg(f
, &env
->idt
);
2084 qemu_put_be32s(f
, &env
->sysenter_cs
);
2085 qemu_put_be32s(f
, &env
->sysenter_esp
);
2086 qemu_put_be32s(f
, &env
->sysenter_eip
);
2088 qemu_put_be32s(f
, &env
->cr
[0]);
2089 qemu_put_be32s(f
, &env
->cr
[2]);
2090 qemu_put_be32s(f
, &env
->cr
[3]);
2091 qemu_put_be32s(f
, &env
->cr
[4]);
2093 for(i
= 0; i
< 8; i
++)
2094 qemu_put_be32s(f
, &env
->dr
[i
]);
2097 qemu_put_be32s(f
, &env
->a20_mask
);
2100 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2102 CPUState
*env
= opaque
;
2105 uint16_t fpus
, fpuc
, fptag
;
2107 if (version_id
!= 2)
2109 for(i
= 0; i
< 8; i
++)
2110 qemu_get_be32s(f
, &env
->regs
[i
]);
2111 qemu_get_be32s(f
, &env
->eip
);
2112 qemu_get_be32s(f
, &env
->eflags
);
2113 qemu_get_be32s(f
, &env
->eflags
);
2114 qemu_get_be32s(f
, &hflags
);
2116 qemu_get_be16s(f
, &fpuc
);
2117 qemu_get_be16s(f
, &fpus
);
2118 qemu_get_be16s(f
, &fptag
);
2120 for(i
= 0; i
< 8; i
++) {
2123 mant
= qemu_get_be64(f
);
2124 exp
= qemu_get_be16(f
);
2125 env
->fpregs
[i
] = cpu_set_fp80(mant
, exp
);
2129 env
->fpstt
= (fpus
>> 11) & 7;
2130 env
->fpus
= fpus
& ~0x3800;
2131 for(i
= 0; i
< 8; i
++) {
2132 env
->fptags
[i
] = ((fptag
& 3) == 3);
2136 for(i
= 0; i
< 6; i
++)
2137 cpu_get_seg(f
, &env
->segs
[i
]);
2138 cpu_get_seg(f
, &env
->ldt
);
2139 cpu_get_seg(f
, &env
->tr
);
2140 cpu_get_seg(f
, &env
->gdt
);
2141 cpu_get_seg(f
, &env
->idt
);
2143 qemu_get_be32s(f
, &env
->sysenter_cs
);
2144 qemu_get_be32s(f
, &env
->sysenter_esp
);
2145 qemu_get_be32s(f
, &env
->sysenter_eip
);
2147 qemu_get_be32s(f
, &env
->cr
[0]);
2148 qemu_get_be32s(f
, &env
->cr
[2]);
2149 qemu_get_be32s(f
, &env
->cr
[3]);
2150 qemu_get_be32s(f
, &env
->cr
[4]);
2152 for(i
= 0; i
< 8; i
++)
2153 qemu_get_be32s(f
, &env
->dr
[i
]);
2156 qemu_get_be32s(f
, &env
->a20_mask
);
2158 /* XXX: compute hflags from scratch, except for CPL and IIF */
2159 env
->hflags
= hflags
;
2164 #elif defined(TARGET_PPC)
2165 void cpu_save(QEMUFile
*f
, void *opaque
)
2169 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2173 #elif defined(TARGET_SPARC)
2174 void cpu_save(QEMUFile
*f
, void *opaque
)
2178 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2184 #warning No CPU save/restore functions
2188 /***********************************************************/
2189 /* ram save/restore */
2191 /* we just avoid storing empty pages */
2192 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2197 for(i
= 1; i
< len
; i
++) {
2201 qemu_put_byte(f
, 1);
2202 qemu_put_byte(f
, v
);
2205 qemu_put_byte(f
, 0);
2206 qemu_put_buffer(f
, buf
, len
);
2209 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2213 v
= qemu_get_byte(f
);
2216 if (qemu_get_buffer(f
, buf
, len
) != len
)
2220 v
= qemu_get_byte(f
);
2221 memset(buf
, v
, len
);
2229 static void ram_save(QEMUFile
*f
, void *opaque
)
2232 qemu_put_be32(f
, phys_ram_size
);
2233 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2234 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2238 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2242 if (version_id
!= 1)
2244 if (qemu_get_be32(f
) != phys_ram_size
)
2246 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2247 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2254 /***********************************************************/
2255 /* main execution loop */
2257 void gui_update(void *opaque
)
2259 display_state
.dpy_refresh(&display_state
);
2260 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2263 /* XXX: support several handlers */
2264 VMStopHandler
*vm_stop_cb
;
2265 VMStopHandler
*vm_stop_opaque
;
2267 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2270 vm_stop_opaque
= opaque
;
2274 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2287 void vm_stop(int reason
)
2290 cpu_disable_ticks();
2294 vm_stop_cb(vm_stop_opaque
, reason
);
2300 /* reset/shutdown handler */
2302 typedef struct QEMUResetEntry
{
2303 QEMUResetHandler
*func
;
2305 struct QEMUResetEntry
*next
;
2308 static QEMUResetEntry
*first_reset_entry
;
2309 static int reset_requested
;
2310 static int shutdown_requested
;
2312 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2314 QEMUResetEntry
**pre
, *re
;
2316 pre
= &first_reset_entry
;
2317 while (*pre
!= NULL
)
2318 pre
= &(*pre
)->next
;
2319 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2321 re
->opaque
= opaque
;
2326 void qemu_system_reset(void)
2330 /* reset all devices */
2331 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2332 re
->func(re
->opaque
);
2336 void qemu_system_reset_request(void)
2338 reset_requested
= 1;
2339 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2342 void qemu_system_shutdown_request(void)
2344 shutdown_requested
= 1;
2345 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2348 static void main_cpu_reset(void *opaque
)
2351 CPUState
*env
= opaque
;
2356 void main_loop_wait(int timeout
)
2359 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2360 IOHandlerRecord
*ioh
, *ioh_next
;
2370 /* poll any events */
2371 /* XXX: separate device handlers from system ones */
2373 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2374 if (!ioh
->fd_can_read
) {
2377 pf
->events
= POLLIN
;
2381 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2383 if (max_size
> sizeof(buf
))
2384 max_size
= sizeof(buf
);
2386 pf
->events
= POLLIN
;
2393 ioh
->max_size
= max_size
;
2396 ret
= poll(ufds
, pf
- ufds
, timeout
);
2398 /* XXX: better handling of removal */
2399 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2400 ioh_next
= ioh
->next
;
2403 if (pf
->revents
& POLLIN
) {
2404 if (ioh
->max_size
== 0) {
2405 /* just a read event */
2406 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2408 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2410 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2411 } else if (errno
!= EAGAIN
) {
2412 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2419 #endif /* !defined(_WIN32) */
2420 #if defined(CONFIG_SLIRP)
2421 /* XXX: merge with poll() */
2423 fd_set rfds
, wfds
, xfds
;
2431 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2434 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2436 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2442 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2443 qemu_get_clock(vm_clock
));
2444 /* run dma transfers, if any */
2448 /* real time timers */
2449 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2450 qemu_get_clock(rt_clock
));
2456 CPUState
*env
= global_env
;
2460 ret
= cpu_exec(env
);
2461 if (shutdown_requested
) {
2462 ret
= EXCP_INTERRUPT
;
2465 if (reset_requested
) {
2466 reset_requested
= 0;
2467 qemu_system_reset();
2468 ret
= EXCP_INTERRUPT
;
2470 if (ret
== EXCP_DEBUG
) {
2471 vm_stop(EXCP_DEBUG
);
2473 /* if hlt instruction, we wait until the next IRQ */
2474 /* XXX: use timeout computed from timers */
2475 if (ret
== EXCP_HLT
)
2482 main_loop_wait(timeout
);
2484 cpu_disable_ticks();
2490 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2491 "usage: %s [options] [disk_image]\n"
2493 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2495 "Standard options:\n"
2496 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2497 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2498 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2499 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2500 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2501 "-snapshot write to temporary files instead of disk image files\n"
2502 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2503 "-nographic disable graphical output and redirect serial I/Os to console\n"
2504 "-enable-audio enable audio support\n"
2505 "-localtime set the real time clock to local time [default=utc]\n"
2506 "-full-screen start in full screen\n"
2508 "-prep Simulate a PREP system (default is PowerMAC)\n"
2509 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2512 "Network options:\n"
2513 "-nics n simulate 'n' network cards [default=1]\n"
2514 "-macaddr addr set the mac address of the first interface\n"
2515 "-n script set tap/tun network init script [default=%s]\n"
2516 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2518 "-user-net use user mode network stack [default if no tap/tun script]\n"
2519 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2521 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2523 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2524 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2526 "-dummy-net use dummy network stack\n"
2528 "Linux boot specific:\n"
2529 "-kernel bzImage use 'bzImage' as kernel image\n"
2530 "-append cmdline use 'cmdline' as kernel command line\n"
2531 "-initrd file use 'file' as initial ram disk\n"
2533 "Debug/Expert options:\n"
2534 "-monitor dev redirect the monitor to char device 'dev'\n"
2535 "-serial dev redirect the serial port to char device 'dev'\n"
2536 "-S freeze CPU at startup (use 'c' to start execution)\n"
2537 "-s wait gdb connection to port %d\n"
2538 "-p port change gdb connection port\n"
2539 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2540 "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
2541 "-L path set the directory for the BIOS and VGA BIOS\n"
2542 #ifdef USE_CODE_COPY
2543 "-no-code-copy disable code copy acceleration\n"
2546 "-isa simulate an ISA-only system (default is PCI system)\n"
2547 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2548 " (default is CL-GD5446 PCI VGA)\n"
2550 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2552 "During emulation, the following keys are useful:\n"
2553 "ctrl-alt-f toggle full screen\n"
2554 "ctrl-alt-n switch to virtual console 'n'\n"
2555 "ctrl-alt toggle mouse and keyboard grab\n"
2557 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2559 #ifdef CONFIG_SOFTMMU
2565 DEFAULT_NETWORK_SCRIPT
,
2566 DEFAULT_GDBSTUB_PORT
,
2568 #ifndef CONFIG_SOFTMMU
2570 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2571 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2577 #define HAS_ARG 0x0001
2590 QEMU_OPTION_snapshot
,
2592 QEMU_OPTION_nographic
,
2593 QEMU_OPTION_enable_audio
,
2596 QEMU_OPTION_macaddr
,
2599 QEMU_OPTION_user_net
,
2603 QEMU_OPTION_dummy_net
,
2615 QEMU_OPTION_no_code_copy
,
2619 QEMU_OPTION_localtime
,
2620 QEMU_OPTION_cirrusvga
,
2622 QEMU_OPTION_std_vga
,
2623 QEMU_OPTION_monitor
,
2626 QEMU_OPTION_full_screen
,
2629 typedef struct QEMUOption
{
2635 const QEMUOption qemu_options
[] = {
2636 { "h", 0, QEMU_OPTION_h
},
2638 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2639 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2640 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2641 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2642 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2643 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2644 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2645 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2646 { "snapshot", 0, QEMU_OPTION_snapshot
},
2647 { "m", HAS_ARG
, QEMU_OPTION_m
},
2648 { "nographic", 0, QEMU_OPTION_nographic
},
2649 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2651 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2652 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2653 { "n", HAS_ARG
, QEMU_OPTION_n
},
2654 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2656 { "user-net", 0, QEMU_OPTION_user_net
},
2657 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
2659 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
2661 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
2663 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2665 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2666 { "append", HAS_ARG
, QEMU_OPTION_append
},
2667 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2669 { "S", 0, QEMU_OPTION_S
},
2670 { "s", 0, QEMU_OPTION_s
},
2671 { "p", HAS_ARG
, QEMU_OPTION_p
},
2672 { "d", HAS_ARG
, QEMU_OPTION_d
},
2673 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2674 { "L", HAS_ARG
, QEMU_OPTION_L
},
2675 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2677 { "prep", 0, QEMU_OPTION_prep
},
2678 { "g", 1, QEMU_OPTION_g
},
2680 { "localtime", 0, QEMU_OPTION_localtime
},
2681 { "isa", 0, QEMU_OPTION_isa
},
2682 { "std-vga", 0, QEMU_OPTION_std_vga
},
2683 { "monitor", 1, QEMU_OPTION_monitor
},
2684 { "serial", 1, QEMU_OPTION_serial
},
2685 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
2686 { "full-screen", 0, QEMU_OPTION_full_screen
},
2688 /* temporary options */
2689 { "pci", 0, QEMU_OPTION_pci
},
2690 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2694 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2696 /* this stack is only used during signal handling */
2697 #define SIGNAL_STACK_SIZE 32768
2699 static uint8_t *signal_stack
;
2703 /* password input */
2705 static BlockDriverState
*get_bdrv(int index
)
2707 BlockDriverState
*bs
;
2710 bs
= bs_table
[index
];
2711 } else if (index
< 6) {
2712 bs
= fd_table
[index
- 4];
2719 static void read_passwords(void)
2721 BlockDriverState
*bs
;
2725 for(i
= 0; i
< 6; i
++) {
2727 if (bs
&& bdrv_is_encrypted(bs
)) {
2728 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2729 for(j
= 0; j
< 3; j
++) {
2730 monitor_readline("Password: ",
2731 1, password
, sizeof(password
));
2732 if (bdrv_set_key(bs
, password
) == 0)
2734 term_printf("invalid password\n");
2740 #define NET_IF_TUN 0
2741 #define NET_IF_USER 1
2742 #define NET_IF_DUMMY 2
2744 int main(int argc
, char **argv
)
2746 #ifdef CONFIG_GDBSTUB
2747 int use_gdbstub
, gdbstub_port
;
2750 int snapshot
, linux_boot
;
2752 const char *initrd_filename
;
2753 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2754 const char *kernel_filename
, *kernel_cmdline
;
2755 DisplayState
*ds
= &display_state
;
2756 int cyls
, heads
, secs
;
2757 int start_emulation
= 1;
2759 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2761 const char *r
, *optarg
;
2762 CharDriverState
*monitor_hd
;
2763 char monitor_device
[128];
2764 char serial_devices
[MAX_SERIAL_PORTS
][128];
2765 int serial_device_index
;
2766 const char *loadvm
= NULL
;
2768 #if !defined(CONFIG_SOFTMMU)
2769 /* we never want that malloc() uses mmap() */
2770 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
2772 initrd_filename
= NULL
;
2773 for(i
= 0; i
< MAX_FD
; i
++)
2774 fd_filename
[i
] = NULL
;
2775 for(i
= 0; i
< MAX_DISKS
; i
++)
2776 hd_filename
[i
] = NULL
;
2777 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
2778 vga_ram_size
= VGA_RAM_SIZE
;
2779 bios_size
= BIOS_SIZE
;
2780 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
2781 #ifdef CONFIG_GDBSTUB
2783 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
2787 kernel_filename
= NULL
;
2788 kernel_cmdline
= "";
2790 cyls
= heads
= secs
= 0;
2791 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
2793 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
2794 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
2795 serial_devices
[i
][0] = '\0';
2796 serial_device_index
= 0;
2801 /* default mac address of the first network interface */
2815 hd_filename
[0] = argv
[optind
++];
2817 const QEMUOption
*popt
;
2820 popt
= qemu_options
;
2823 fprintf(stderr
, "%s: invalid option -- '%s'\n",
2827 if (!strcmp(popt
->name
, r
+ 1))
2831 if (popt
->flags
& HAS_ARG
) {
2832 if (optind
>= argc
) {
2833 fprintf(stderr
, "%s: option '%s' requires an argument\n",
2837 optarg
= argv
[optind
++];
2842 switch(popt
->index
) {
2843 case QEMU_OPTION_initrd
:
2844 initrd_filename
= optarg
;
2846 case QEMU_OPTION_hda
:
2847 hd_filename
[0] = optarg
;
2849 case QEMU_OPTION_hdb
:
2850 hd_filename
[1] = optarg
;
2852 case QEMU_OPTION_snapshot
:
2855 case QEMU_OPTION_hdachs
:
2859 cyls
= strtol(p
, (char **)&p
, 0);
2863 heads
= strtol(p
, (char **)&p
, 0);
2867 secs
= strtol(p
, (char **)&p
, 0);
2874 case QEMU_OPTION_nographic
:
2875 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
2876 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
2879 case QEMU_OPTION_kernel
:
2880 kernel_filename
= optarg
;
2882 case QEMU_OPTION_append
:
2883 kernel_cmdline
= optarg
;
2885 case QEMU_OPTION_tun_fd
:
2889 net_if_type
= NET_IF_TUN
;
2890 if (nb_tun_fds
< MAX_NICS
) {
2891 fd
= strtol(optarg
, (char **)&p
, 0);
2893 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
2896 tun_fds
[nb_tun_fds
++] = fd
;
2900 case QEMU_OPTION_hdc
:
2901 hd_filename
[2] = optarg
;
2904 case QEMU_OPTION_hdd
:
2905 hd_filename
[3] = optarg
;
2907 case QEMU_OPTION_cdrom
:
2908 hd_filename
[2] = optarg
;
2911 case QEMU_OPTION_boot
:
2912 boot_device
= optarg
[0];
2913 if (boot_device
!= 'a' &&
2914 boot_device
!= 'c' && boot_device
!= 'd') {
2915 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
2919 case QEMU_OPTION_fda
:
2920 fd_filename
[0] = optarg
;
2922 case QEMU_OPTION_fdb
:
2923 fd_filename
[1] = optarg
;
2925 case QEMU_OPTION_no_code_copy
:
2926 code_copy_enabled
= 0;
2928 case QEMU_OPTION_nics
:
2929 nb_nics
= atoi(optarg
);
2930 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
2931 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
2935 case QEMU_OPTION_macaddr
:
2940 for(i
= 0; i
< 6; i
++) {
2941 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
2948 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
2957 case QEMU_OPTION_tftp
:
2958 tftp_prefix
= optarg
;
2961 case QEMU_OPTION_smb
:
2962 net_slirp_smb(optarg
);
2965 case QEMU_OPTION_user_net
:
2966 net_if_type
= NET_IF_USER
;
2968 case QEMU_OPTION_redir
:
2969 net_slirp_redir(optarg
);
2972 case QEMU_OPTION_dummy_net
:
2973 net_if_type
= NET_IF_DUMMY
;
2975 case QEMU_OPTION_enable_audio
:
2982 ram_size
= atoi(optarg
) * 1024 * 1024;
2985 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
2986 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
2987 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
2996 mask
= cpu_str_to_log_mask(optarg
);
2998 printf("Log items (comma separated):\n");
2999 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3000 printf("%-10s %s\n", item
->name
, item
->help
);
3008 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3010 #ifdef CONFIG_GDBSTUB
3015 gdbstub_port
= atoi(optarg
);
3022 start_emulation
= 0;
3024 case QEMU_OPTION_pci
:
3027 case QEMU_OPTION_isa
:
3030 case QEMU_OPTION_prep
:
3033 case QEMU_OPTION_localtime
:
3036 case QEMU_OPTION_cirrusvga
:
3037 cirrus_vga_enabled
= 1;
3039 case QEMU_OPTION_std_vga
:
3040 cirrus_vga_enabled
= 0;
3047 w
= strtol(p
, (char **)&p
, 10);
3050 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3056 h
= strtol(p
, (char **)&p
, 10);
3061 depth
= strtol(p
, (char **)&p
, 10);
3062 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3063 depth
!= 24 && depth
!= 32)
3065 } else if (*p
== '\0') {
3066 depth
= graphic_depth
;
3073 graphic_depth
= depth
;
3076 case QEMU_OPTION_monitor
:
3077 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3079 case QEMU_OPTION_serial
:
3080 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3081 fprintf(stderr
, "qemu: too many serial ports\n");
3084 pstrcpy(serial_devices
[serial_device_index
],
3085 sizeof(serial_devices
[0]), optarg
);
3086 serial_device_index
++;
3088 case QEMU_OPTION_loadvm
:
3091 case QEMU_OPTION_full_screen
:
3098 linux_boot
= (kernel_filename
!= NULL
);
3100 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
3101 fd_filename
[0] == '\0')
3104 /* boot to cd by default if no hard disk */
3105 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3106 if (fd_filename
[0] != '\0')
3112 #if !defined(CONFIG_SOFTMMU)
3113 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3115 static uint8_t stdout_buf
[4096];
3116 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3119 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3122 /* init host network redirectors */
3123 if (net_if_type
== -1) {
3124 net_if_type
= NET_IF_TUN
;
3125 #if defined(CONFIG_SLIRP)
3126 if (access(network_script
, R_OK
) < 0) {
3127 net_if_type
= NET_IF_USER
;
3132 for(i
= 0; i
< nb_nics
; i
++) {
3133 NetDriverState
*nd
= &nd_table
[i
];
3135 /* init virtual mac address */
3136 nd
->macaddr
[0] = macaddr
[0];
3137 nd
->macaddr
[1] = macaddr
[1];
3138 nd
->macaddr
[2] = macaddr
[2];
3139 nd
->macaddr
[3] = macaddr
[3];
3140 nd
->macaddr
[4] = macaddr
[4];
3141 nd
->macaddr
[5] = macaddr
[5] + i
;
3142 switch(net_if_type
) {
3143 #if defined(CONFIG_SLIRP)
3148 #if !defined(_WIN32)
3150 if (i
< nb_tun_fds
) {
3151 net_fd_init(nd
, tun_fds
[i
]);
3153 if (net_tun_init(nd
) < 0)
3165 /* init the memory */
3166 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3168 #ifdef CONFIG_SOFTMMU
3170 /* mallocs are always aligned on BSD. valloc is better for correctness */
3171 phys_ram_base
= valloc(phys_ram_size
);
3173 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
3175 if (!phys_ram_base
) {
3176 fprintf(stderr
, "Could not allocate physical memory\n");
3180 /* as we must map the same page at several addresses, we must use
3185 tmpdir
= getenv("QEMU_TMPDIR");
3188 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3189 if (mkstemp(phys_ram_file
) < 0) {
3190 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3194 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3195 if (phys_ram_fd
< 0) {
3196 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3200 ftruncate(phys_ram_fd
, phys_ram_size
);
3201 unlink(phys_ram_file
);
3202 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3204 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3206 if (phys_ram_base
== MAP_FAILED
) {
3207 fprintf(stderr
, "Could not map physical memory\n");
3213 /* we always create the cdrom drive, even if no disk is there */
3216 bs_table
[2] = bdrv_new("cdrom");
3217 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
3220 /* open the virtual block devices */
3221 for(i
= 0; i
< MAX_DISKS
; i
++) {
3222 if (hd_filename
[i
]) {
3225 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3226 bs_table
[i
] = bdrv_new(buf
);
3228 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3229 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3233 if (i
== 0 && cyls
!= 0)
3234 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3238 /* we always create at least one floppy disk */
3239 fd_table
[0] = bdrv_new("fda");
3240 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3242 for(i
= 0; i
< MAX_FD
; i
++) {
3243 if (fd_filename
[i
]) {
3246 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3247 fd_table
[i
] = bdrv_new(buf
);
3248 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3250 if (fd_filename
[i
] != '\0') {
3251 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3252 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3260 /* init CPU state */
3263 cpu_single_env
= env
;
3265 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3266 register_savevm("cpu", 0, 2, cpu_save
, cpu_load
, env
);
3267 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3268 qemu_register_reset(main_cpu_reset
, global_env
);
3271 cpu_calibrate_ticks();
3275 dumb_display_init(ds
);
3278 sdl_display_init(ds
, full_screen
);
3280 dumb_display_init(ds
);
3284 vga_console
= graphic_console_init(ds
);
3286 monitor_hd
= qemu_chr_open(monitor_device
);
3288 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3291 monitor_init(monitor_hd
, !nographic
);
3293 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3294 if (serial_devices
[i
][0] != '\0') {
3295 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3296 if (!serial_hds
[i
]) {
3297 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3301 if (!strcmp(serial_devices
[i
], "vc"))
3302 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3306 /* setup cpu signal handlers for MMU / self modifying code handling */
3307 #if !defined(CONFIG_SOFTMMU)
3309 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3312 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3313 stk
.ss_sp
= signal_stack
;
3314 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3317 if (sigaltstack(&stk
, NULL
) < 0) {
3318 perror("sigaltstack");
3324 struct sigaction act
;
3326 sigfillset(&act
.sa_mask
);
3327 act
.sa_flags
= SA_SIGINFO
;
3328 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3329 act
.sa_flags
|= SA_ONSTACK
;
3331 act
.sa_sigaction
= host_segv_handler
;
3332 sigaction(SIGSEGV
, &act
, NULL
);
3333 sigaction(SIGBUS
, &act
, NULL
);
3334 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3335 sigaction(SIGFPE
, &act
, NULL
);
3342 struct sigaction act
;
3343 sigfillset(&act
.sa_mask
);
3345 act
.sa_handler
= SIG_IGN
;
3346 sigaction(SIGPIPE
, &act
, NULL
);
3351 #if defined(TARGET_I386)
3352 pc_init(ram_size
, vga_ram_size
, boot_device
,
3353 ds
, fd_filename
, snapshot
,
3354 kernel_filename
, kernel_cmdline
, initrd_filename
);
3355 #elif defined(TARGET_PPC)
3356 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3357 ds
, fd_filename
, snapshot
,
3358 kernel_filename
, kernel_cmdline
, initrd_filename
);
3359 #elif defined(TARGET_SPARC)
3360 sun4m_init(ram_size
, vga_ram_size
, boot_device
,
3361 ds
, fd_filename
, snapshot
,
3362 kernel_filename
, kernel_cmdline
, initrd_filename
);
3365 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3366 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3368 #ifdef CONFIG_GDBSTUB
3370 if (gdbserver_start(gdbstub_port
) < 0) {
3371 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3375 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3380 qemu_loadvm(loadvm
);
3383 /* XXX: simplify init */
3385 if (start_emulation
) {