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 char *pid_filename
;
1674 /* Remove PID file. Called on normal exit */
1676 static void remove_pidfile(void)
1678 unlink (pid_filename
);
1681 static void create_pidfile(const char *filename
)
1683 struct stat pidstat
;
1686 /* Try to write our PID to the named file */
1687 if (stat(filename
, &pidstat
) < 0) {
1688 if (errno
== ENOENT
) {
1689 if ((f
= fopen (filename
, "w")) == NULL
) {
1690 perror("Opening pidfile");
1693 fprintf(f
, "%d\n", getpid());
1695 pid_filename
= qemu_strdup(filename
);
1696 if (!pid_filename
) {
1697 fprintf(stderr
, "Could not save PID filename");
1700 atexit(remove_pidfile
);
1703 fprintf(stderr
, "%s already exists. Remove it and try again.\n",
1709 /***********************************************************/
1712 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1716 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1720 static void dumb_refresh(DisplayState
*ds
)
1722 vga_update_display();
1725 void dumb_display_init(DisplayState
*ds
)
1730 ds
->dpy_update
= dumb_update
;
1731 ds
->dpy_resize
= dumb_resize
;
1732 ds
->dpy_refresh
= dumb_refresh
;
1735 #if !defined(CONFIG_SOFTMMU)
1736 /***********************************************************/
1737 /* cpu signal handler */
1738 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1741 if (cpu_signal_handler(host_signum
, info
, puc
))
1743 if (stdio_nb_clients
> 0)
1749 /***********************************************************/
1752 #define MAX_IO_HANDLERS 64
1754 typedef struct IOHandlerRecord
{
1756 IOCanRWHandler
*fd_can_read
;
1757 IOReadHandler
*fd_read
;
1759 /* temporary data */
1762 struct IOHandlerRecord
*next
;
1765 static IOHandlerRecord
*first_io_handler
;
1767 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1768 IOReadHandler
*fd_read
, void *opaque
)
1770 IOHandlerRecord
*ioh
;
1772 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1776 ioh
->fd_can_read
= fd_can_read
;
1777 ioh
->fd_read
= fd_read
;
1778 ioh
->opaque
= opaque
;
1779 ioh
->next
= first_io_handler
;
1780 first_io_handler
= ioh
;
1784 void qemu_del_fd_read_handler(int fd
)
1786 IOHandlerRecord
**pioh
, *ioh
;
1788 pioh
= &first_io_handler
;
1793 if (ioh
->fd
== fd
) {
1801 /***********************************************************/
1802 /* savevm/loadvm support */
1804 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1806 fwrite(buf
, 1, size
, f
);
1809 void qemu_put_byte(QEMUFile
*f
, int v
)
1814 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1816 qemu_put_byte(f
, v
>> 8);
1817 qemu_put_byte(f
, v
);
1820 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1822 qemu_put_byte(f
, v
>> 24);
1823 qemu_put_byte(f
, v
>> 16);
1824 qemu_put_byte(f
, v
>> 8);
1825 qemu_put_byte(f
, v
);
1828 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1830 qemu_put_be32(f
, v
>> 32);
1831 qemu_put_be32(f
, v
);
1834 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1836 return fread(buf
, 1, size
, f
);
1839 int qemu_get_byte(QEMUFile
*f
)
1849 unsigned int qemu_get_be16(QEMUFile
*f
)
1852 v
= qemu_get_byte(f
) << 8;
1853 v
|= qemu_get_byte(f
);
1857 unsigned int qemu_get_be32(QEMUFile
*f
)
1860 v
= qemu_get_byte(f
) << 24;
1861 v
|= qemu_get_byte(f
) << 16;
1862 v
|= qemu_get_byte(f
) << 8;
1863 v
|= qemu_get_byte(f
);
1867 uint64_t qemu_get_be64(QEMUFile
*f
)
1870 v
= (uint64_t)qemu_get_be32(f
) << 32;
1871 v
|= qemu_get_be32(f
);
1875 int64_t qemu_ftell(QEMUFile
*f
)
1880 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1882 if (fseek(f
, pos
, whence
) < 0)
1887 typedef struct SaveStateEntry
{
1891 SaveStateHandler
*save_state
;
1892 LoadStateHandler
*load_state
;
1894 struct SaveStateEntry
*next
;
1897 static SaveStateEntry
*first_se
;
1899 int register_savevm(const char *idstr
,
1902 SaveStateHandler
*save_state
,
1903 LoadStateHandler
*load_state
,
1906 SaveStateEntry
*se
, **pse
;
1908 se
= qemu_malloc(sizeof(SaveStateEntry
));
1911 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1912 se
->instance_id
= instance_id
;
1913 se
->version_id
= version_id
;
1914 se
->save_state
= save_state
;
1915 se
->load_state
= load_state
;
1916 se
->opaque
= opaque
;
1919 /* add at the end of list */
1921 while (*pse
!= NULL
)
1922 pse
= &(*pse
)->next
;
1927 #define QEMU_VM_FILE_MAGIC 0x5145564d
1928 #define QEMU_VM_FILE_VERSION 0x00000001
1930 int qemu_savevm(const char *filename
)
1934 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1936 saved_vm_running
= vm_running
;
1939 f
= fopen(filename
, "wb");
1945 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1946 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1948 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1950 len
= strlen(se
->idstr
);
1951 qemu_put_byte(f
, len
);
1952 qemu_put_buffer(f
, se
->idstr
, len
);
1954 qemu_put_be32(f
, se
->instance_id
);
1955 qemu_put_be32(f
, se
->version_id
);
1957 /* record size: filled later */
1959 qemu_put_be32(f
, 0);
1961 se
->save_state(f
, se
->opaque
);
1963 /* fill record size */
1965 len
= ftell(f
) - len_pos
- 4;
1966 fseek(f
, len_pos
, SEEK_SET
);
1967 qemu_put_be32(f
, len
);
1968 fseek(f
, cur_pos
, SEEK_SET
);
1974 if (saved_vm_running
)
1979 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1983 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1984 if (!strcmp(se
->idstr
, idstr
) &&
1985 instance_id
== se
->instance_id
)
1991 int qemu_loadvm(const char *filename
)
1995 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
1996 int saved_vm_running
;
2000 saved_vm_running
= vm_running
;
2003 f
= fopen(filename
, "rb");
2009 v
= qemu_get_be32(f
);
2010 if (v
!= QEMU_VM_FILE_MAGIC
)
2012 v
= qemu_get_be32(f
);
2013 if (v
!= QEMU_VM_FILE_VERSION
) {
2020 #if defined (DO_TB_FLUSH)
2021 tb_flush(global_env
);
2023 len
= qemu_get_byte(f
);
2026 qemu_get_buffer(f
, idstr
, len
);
2028 instance_id
= qemu_get_be32(f
);
2029 version_id
= qemu_get_be32(f
);
2030 record_len
= qemu_get_be32(f
);
2032 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2033 idstr
, instance_id
, version_id
, record_len
);
2036 se
= find_se(idstr
, instance_id
);
2038 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2039 instance_id
, idstr
);
2041 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2043 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2044 instance_id
, idstr
);
2047 /* always seek to exact end of record */
2048 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2053 if (saved_vm_running
)
2058 /***********************************************************/
2059 /* cpu save/restore */
2061 #if defined(TARGET_I386)
2063 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2065 qemu_put_be32(f
, dt
->selector
);
2066 qemu_put_be32(f
, (uint32_t)dt
->base
);
2067 qemu_put_be32(f
, dt
->limit
);
2068 qemu_put_be32(f
, dt
->flags
);
2071 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2073 dt
->selector
= qemu_get_be32(f
);
2074 dt
->base
= (uint8_t *)qemu_get_be32(f
);
2075 dt
->limit
= qemu_get_be32(f
);
2076 dt
->flags
= qemu_get_be32(f
);
2079 void cpu_save(QEMUFile
*f
, void *opaque
)
2081 CPUState
*env
= opaque
;
2082 uint16_t fptag
, fpus
, fpuc
;
2086 for(i
= 0; i
< 8; i
++)
2087 qemu_put_be32s(f
, &env
->regs
[i
]);
2088 qemu_put_be32s(f
, &env
->eip
);
2089 qemu_put_be32s(f
, &env
->eflags
);
2090 qemu_put_be32s(f
, &env
->eflags
);
2091 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2092 qemu_put_be32s(f
, &hflags
);
2096 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2098 for (i
=7; i
>=0; i
--) {
2100 if (env
->fptags
[i
]) {
2105 qemu_put_be16s(f
, &fpuc
);
2106 qemu_put_be16s(f
, &fpus
);
2107 qemu_put_be16s(f
, &fptag
);
2109 for(i
= 0; i
< 8; i
++) {
2112 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
]);
2113 qemu_put_be64(f
, mant
);
2114 qemu_put_be16(f
, exp
);
2117 for(i
= 0; i
< 6; i
++)
2118 cpu_put_seg(f
, &env
->segs
[i
]);
2119 cpu_put_seg(f
, &env
->ldt
);
2120 cpu_put_seg(f
, &env
->tr
);
2121 cpu_put_seg(f
, &env
->gdt
);
2122 cpu_put_seg(f
, &env
->idt
);
2124 qemu_put_be32s(f
, &env
->sysenter_cs
);
2125 qemu_put_be32s(f
, &env
->sysenter_esp
);
2126 qemu_put_be32s(f
, &env
->sysenter_eip
);
2128 qemu_put_be32s(f
, &env
->cr
[0]);
2129 qemu_put_be32s(f
, &env
->cr
[2]);
2130 qemu_put_be32s(f
, &env
->cr
[3]);
2131 qemu_put_be32s(f
, &env
->cr
[4]);
2133 for(i
= 0; i
< 8; i
++)
2134 qemu_put_be32s(f
, &env
->dr
[i
]);
2137 qemu_put_be32s(f
, &env
->a20_mask
);
2140 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2142 CPUState
*env
= opaque
;
2145 uint16_t fpus
, fpuc
, fptag
;
2147 if (version_id
!= 2)
2149 for(i
= 0; i
< 8; i
++)
2150 qemu_get_be32s(f
, &env
->regs
[i
]);
2151 qemu_get_be32s(f
, &env
->eip
);
2152 qemu_get_be32s(f
, &env
->eflags
);
2153 qemu_get_be32s(f
, &env
->eflags
);
2154 qemu_get_be32s(f
, &hflags
);
2156 qemu_get_be16s(f
, &fpuc
);
2157 qemu_get_be16s(f
, &fpus
);
2158 qemu_get_be16s(f
, &fptag
);
2160 for(i
= 0; i
< 8; i
++) {
2163 mant
= qemu_get_be64(f
);
2164 exp
= qemu_get_be16(f
);
2165 env
->fpregs
[i
] = cpu_set_fp80(mant
, exp
);
2169 env
->fpstt
= (fpus
>> 11) & 7;
2170 env
->fpus
= fpus
& ~0x3800;
2171 for(i
= 0; i
< 8; i
++) {
2172 env
->fptags
[i
] = ((fptag
& 3) == 3);
2176 for(i
= 0; i
< 6; i
++)
2177 cpu_get_seg(f
, &env
->segs
[i
]);
2178 cpu_get_seg(f
, &env
->ldt
);
2179 cpu_get_seg(f
, &env
->tr
);
2180 cpu_get_seg(f
, &env
->gdt
);
2181 cpu_get_seg(f
, &env
->idt
);
2183 qemu_get_be32s(f
, &env
->sysenter_cs
);
2184 qemu_get_be32s(f
, &env
->sysenter_esp
);
2185 qemu_get_be32s(f
, &env
->sysenter_eip
);
2187 qemu_get_be32s(f
, &env
->cr
[0]);
2188 qemu_get_be32s(f
, &env
->cr
[2]);
2189 qemu_get_be32s(f
, &env
->cr
[3]);
2190 qemu_get_be32s(f
, &env
->cr
[4]);
2192 for(i
= 0; i
< 8; i
++)
2193 qemu_get_be32s(f
, &env
->dr
[i
]);
2196 qemu_get_be32s(f
, &env
->a20_mask
);
2198 /* XXX: compute hflags from scratch, except for CPL and IIF */
2199 env
->hflags
= hflags
;
2204 #elif defined(TARGET_PPC)
2205 void cpu_save(QEMUFile
*f
, void *opaque
)
2209 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2213 #elif defined(TARGET_SPARC)
2214 void cpu_save(QEMUFile
*f
, void *opaque
)
2218 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2224 #warning No CPU save/restore functions
2228 /***********************************************************/
2229 /* ram save/restore */
2231 /* we just avoid storing empty pages */
2232 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2237 for(i
= 1; i
< len
; i
++) {
2241 qemu_put_byte(f
, 1);
2242 qemu_put_byte(f
, v
);
2245 qemu_put_byte(f
, 0);
2246 qemu_put_buffer(f
, buf
, len
);
2249 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2253 v
= qemu_get_byte(f
);
2256 if (qemu_get_buffer(f
, buf
, len
) != len
)
2260 v
= qemu_get_byte(f
);
2261 memset(buf
, v
, len
);
2269 static void ram_save(QEMUFile
*f
, void *opaque
)
2272 qemu_put_be32(f
, phys_ram_size
);
2273 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2274 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2278 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2282 if (version_id
!= 1)
2284 if (qemu_get_be32(f
) != phys_ram_size
)
2286 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2287 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2294 /***********************************************************/
2295 /* main execution loop */
2297 void gui_update(void *opaque
)
2299 display_state
.dpy_refresh(&display_state
);
2300 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2303 /* XXX: support several handlers */
2304 VMStopHandler
*vm_stop_cb
;
2305 VMStopHandler
*vm_stop_opaque
;
2307 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2310 vm_stop_opaque
= opaque
;
2314 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2327 void vm_stop(int reason
)
2330 cpu_disable_ticks();
2334 vm_stop_cb(vm_stop_opaque
, reason
);
2340 /* reset/shutdown handler */
2342 typedef struct QEMUResetEntry
{
2343 QEMUResetHandler
*func
;
2345 struct QEMUResetEntry
*next
;
2348 static QEMUResetEntry
*first_reset_entry
;
2349 static int reset_requested
;
2350 static int shutdown_requested
;
2352 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2354 QEMUResetEntry
**pre
, *re
;
2356 pre
= &first_reset_entry
;
2357 while (*pre
!= NULL
)
2358 pre
= &(*pre
)->next
;
2359 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2361 re
->opaque
= opaque
;
2366 void qemu_system_reset(void)
2370 /* reset all devices */
2371 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2372 re
->func(re
->opaque
);
2376 void qemu_system_reset_request(void)
2378 reset_requested
= 1;
2379 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2382 void qemu_system_shutdown_request(void)
2384 shutdown_requested
= 1;
2385 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2388 static void main_cpu_reset(void *opaque
)
2391 CPUState
*env
= opaque
;
2396 void main_loop_wait(int timeout
)
2399 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2400 IOHandlerRecord
*ioh
, *ioh_next
;
2410 /* poll any events */
2411 /* XXX: separate device handlers from system ones */
2413 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2414 if (!ioh
->fd_can_read
) {
2417 pf
->events
= POLLIN
;
2421 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2423 if (max_size
> sizeof(buf
))
2424 max_size
= sizeof(buf
);
2426 pf
->events
= POLLIN
;
2433 ioh
->max_size
= max_size
;
2436 ret
= poll(ufds
, pf
- ufds
, timeout
);
2438 /* XXX: better handling of removal */
2439 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2440 ioh_next
= ioh
->next
;
2443 if (pf
->revents
& POLLIN
) {
2444 if (ioh
->max_size
== 0) {
2445 /* just a read event */
2446 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2448 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2450 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2451 } else if (errno
!= EAGAIN
) {
2452 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2459 #endif /* !defined(_WIN32) */
2460 #if defined(CONFIG_SLIRP)
2461 /* XXX: merge with poll() */
2463 fd_set rfds
, wfds
, xfds
;
2471 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2474 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2476 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2482 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2483 qemu_get_clock(vm_clock
));
2484 /* run dma transfers, if any */
2488 /* real time timers */
2489 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2490 qemu_get_clock(rt_clock
));
2496 CPUState
*env
= global_env
;
2500 ret
= cpu_exec(env
);
2501 if (shutdown_requested
) {
2502 ret
= EXCP_INTERRUPT
;
2505 if (reset_requested
) {
2506 reset_requested
= 0;
2507 qemu_system_reset();
2508 ret
= EXCP_INTERRUPT
;
2510 if (ret
== EXCP_DEBUG
) {
2511 vm_stop(EXCP_DEBUG
);
2513 /* if hlt instruction, we wait until the next IRQ */
2514 /* XXX: use timeout computed from timers */
2515 if (ret
== EXCP_HLT
)
2522 main_loop_wait(timeout
);
2524 cpu_disable_ticks();
2530 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2531 "usage: %s [options] [disk_image]\n"
2533 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2535 "Standard options:\n"
2536 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2537 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2538 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2539 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2540 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2541 "-snapshot write to temporary files instead of disk image files\n"
2542 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2543 "-nographic disable graphical output and redirect serial I/Os to console\n"
2544 "-enable-audio enable audio support\n"
2545 "-localtime set the real time clock to local time [default=utc]\n"
2546 "-full-screen start in full screen\n"
2548 "-prep Simulate a PREP system (default is PowerMAC)\n"
2549 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2552 "Network options:\n"
2553 "-nics n simulate 'n' network cards [default=1]\n"
2554 "-macaddr addr set the mac address of the first interface\n"
2555 "-n script set tap/tun network init script [default=%s]\n"
2556 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2558 "-user-net use user mode network stack [default if no tap/tun script]\n"
2559 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2561 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2563 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2564 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2566 "-dummy-net use dummy network stack\n"
2568 "Linux boot specific:\n"
2569 "-kernel bzImage use 'bzImage' as kernel image\n"
2570 "-append cmdline use 'cmdline' as kernel command line\n"
2571 "-initrd file use 'file' as initial ram disk\n"
2573 "Debug/Expert options:\n"
2574 "-monitor dev redirect the monitor to char device 'dev'\n"
2575 "-serial dev redirect the serial port to char device 'dev'\n"
2576 "-pidfile file Write PID to 'file'\n"
2577 "-S freeze CPU at startup (use 'c' to start execution)\n"
2578 "-s wait gdb connection to port %d\n"
2579 "-p port change gdb connection port\n"
2580 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2581 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2582 " translation (t=none or lba) (usually qemu can guess them)\n"
2583 "-L path set the directory for the BIOS and VGA BIOS\n"
2584 #ifdef USE_CODE_COPY
2585 "-no-code-copy disable code copy acceleration\n"
2588 "-isa simulate an ISA-only system (default is PCI system)\n"
2589 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2590 " (default is CL-GD5446 PCI VGA)\n"
2592 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2594 "During emulation, the following keys are useful:\n"
2595 "ctrl-alt-f toggle full screen\n"
2596 "ctrl-alt-n switch to virtual console 'n'\n"
2597 "ctrl-alt toggle mouse and keyboard grab\n"
2599 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2601 #ifdef CONFIG_SOFTMMU
2607 DEFAULT_NETWORK_SCRIPT
,
2608 DEFAULT_GDBSTUB_PORT
,
2610 #ifndef CONFIG_SOFTMMU
2612 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2613 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2619 #define HAS_ARG 0x0001
2632 QEMU_OPTION_snapshot
,
2634 QEMU_OPTION_nographic
,
2635 QEMU_OPTION_enable_audio
,
2638 QEMU_OPTION_macaddr
,
2641 QEMU_OPTION_user_net
,
2645 QEMU_OPTION_dummy_net
,
2657 QEMU_OPTION_no_code_copy
,
2661 QEMU_OPTION_localtime
,
2662 QEMU_OPTION_cirrusvga
,
2664 QEMU_OPTION_std_vga
,
2665 QEMU_OPTION_monitor
,
2668 QEMU_OPTION_full_screen
,
2669 QEMU_OPTION_pidfile
,
2672 typedef struct QEMUOption
{
2678 const QEMUOption qemu_options
[] = {
2679 { "h", 0, QEMU_OPTION_h
},
2681 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2682 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2683 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2684 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2685 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2686 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2687 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2688 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2689 { "snapshot", 0, QEMU_OPTION_snapshot
},
2690 { "m", HAS_ARG
, QEMU_OPTION_m
},
2691 { "nographic", 0, QEMU_OPTION_nographic
},
2692 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2694 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2695 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2696 { "n", HAS_ARG
, QEMU_OPTION_n
},
2697 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2699 { "user-net", 0, QEMU_OPTION_user_net
},
2700 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
2702 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
2704 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
2706 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2708 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2709 { "append", HAS_ARG
, QEMU_OPTION_append
},
2710 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2712 { "S", 0, QEMU_OPTION_S
},
2713 { "s", 0, QEMU_OPTION_s
},
2714 { "p", HAS_ARG
, QEMU_OPTION_p
},
2715 { "d", HAS_ARG
, QEMU_OPTION_d
},
2716 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2717 { "L", HAS_ARG
, QEMU_OPTION_L
},
2718 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2720 { "prep", 0, QEMU_OPTION_prep
},
2721 { "g", 1, QEMU_OPTION_g
},
2723 { "localtime", 0, QEMU_OPTION_localtime
},
2724 { "isa", 0, QEMU_OPTION_isa
},
2725 { "std-vga", 0, QEMU_OPTION_std_vga
},
2726 { "monitor", 1, QEMU_OPTION_monitor
},
2727 { "serial", 1, QEMU_OPTION_serial
},
2728 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
2729 { "full-screen", 0, QEMU_OPTION_full_screen
},
2730 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
2732 /* temporary options */
2733 { "pci", 0, QEMU_OPTION_pci
},
2734 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2738 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2740 /* this stack is only used during signal handling */
2741 #define SIGNAL_STACK_SIZE 32768
2743 static uint8_t *signal_stack
;
2747 /* password input */
2749 static BlockDriverState
*get_bdrv(int index
)
2751 BlockDriverState
*bs
;
2754 bs
= bs_table
[index
];
2755 } else if (index
< 6) {
2756 bs
= fd_table
[index
- 4];
2763 static void read_passwords(void)
2765 BlockDriverState
*bs
;
2769 for(i
= 0; i
< 6; i
++) {
2771 if (bs
&& bdrv_is_encrypted(bs
)) {
2772 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2773 for(j
= 0; j
< 3; j
++) {
2774 monitor_readline("Password: ",
2775 1, password
, sizeof(password
));
2776 if (bdrv_set_key(bs
, password
) == 0)
2778 term_printf("invalid password\n");
2784 #define NET_IF_TUN 0
2785 #define NET_IF_USER 1
2786 #define NET_IF_DUMMY 2
2788 int main(int argc
, char **argv
)
2790 #ifdef CONFIG_GDBSTUB
2791 int use_gdbstub
, gdbstub_port
;
2794 int snapshot
, linux_boot
;
2796 const char *initrd_filename
;
2797 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2798 const char *kernel_filename
, *kernel_cmdline
;
2799 DisplayState
*ds
= &display_state
;
2800 int cyls
, heads
, secs
, translation
;
2801 int start_emulation
= 1;
2803 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2805 const char *r
, *optarg
;
2806 CharDriverState
*monitor_hd
;
2807 char monitor_device
[128];
2808 char serial_devices
[MAX_SERIAL_PORTS
][128];
2809 int serial_device_index
;
2810 const char *loadvm
= NULL
;
2812 #if !defined(CONFIG_SOFTMMU)
2813 /* we never want that malloc() uses mmap() */
2814 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
2816 initrd_filename
= NULL
;
2817 for(i
= 0; i
< MAX_FD
; i
++)
2818 fd_filename
[i
] = NULL
;
2819 for(i
= 0; i
< MAX_DISKS
; i
++)
2820 hd_filename
[i
] = NULL
;
2821 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
2822 vga_ram_size
= VGA_RAM_SIZE
;
2823 bios_size
= BIOS_SIZE
;
2824 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
2825 #ifdef CONFIG_GDBSTUB
2827 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
2831 kernel_filename
= NULL
;
2832 kernel_cmdline
= "";
2834 cyls
= heads
= secs
= 0;
2835 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2836 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
2838 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
2839 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
2840 serial_devices
[i
][0] = '\0';
2841 serial_device_index
= 0;
2846 /* default mac address of the first network interface */
2860 hd_filename
[0] = argv
[optind
++];
2862 const QEMUOption
*popt
;
2865 popt
= qemu_options
;
2868 fprintf(stderr
, "%s: invalid option -- '%s'\n",
2872 if (!strcmp(popt
->name
, r
+ 1))
2876 if (popt
->flags
& HAS_ARG
) {
2877 if (optind
>= argc
) {
2878 fprintf(stderr
, "%s: option '%s' requires an argument\n",
2882 optarg
= argv
[optind
++];
2887 switch(popt
->index
) {
2888 case QEMU_OPTION_initrd
:
2889 initrd_filename
= optarg
;
2891 case QEMU_OPTION_hda
:
2892 hd_filename
[0] = optarg
;
2894 case QEMU_OPTION_hdb
:
2895 hd_filename
[1] = optarg
;
2897 case QEMU_OPTION_snapshot
:
2900 case QEMU_OPTION_hdachs
:
2904 cyls
= strtol(p
, (char **)&p
, 0);
2905 if (cyls
< 1 || cyls
> 16383)
2910 heads
= strtol(p
, (char **)&p
, 0);
2911 if (heads
< 1 || heads
> 16)
2916 secs
= strtol(p
, (char **)&p
, 0);
2917 if (secs
< 1 || secs
> 63)
2921 if (!strcmp(p
, "none"))
2922 translation
= BIOS_ATA_TRANSLATION_NONE
;
2923 else if (!strcmp(p
, "lba"))
2924 translation
= BIOS_ATA_TRANSLATION_LBA
;
2925 else if (!strcmp(p
, "auto"))
2926 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2929 } else if (*p
!= '\0') {
2931 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2936 case QEMU_OPTION_nographic
:
2937 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
2938 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
2941 case QEMU_OPTION_kernel
:
2942 kernel_filename
= optarg
;
2944 case QEMU_OPTION_append
:
2945 kernel_cmdline
= optarg
;
2947 case QEMU_OPTION_tun_fd
:
2951 net_if_type
= NET_IF_TUN
;
2952 if (nb_tun_fds
< MAX_NICS
) {
2953 fd
= strtol(optarg
, (char **)&p
, 0);
2955 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
2958 tun_fds
[nb_tun_fds
++] = fd
;
2962 case QEMU_OPTION_hdc
:
2963 hd_filename
[2] = optarg
;
2966 case QEMU_OPTION_hdd
:
2967 hd_filename
[3] = optarg
;
2969 case QEMU_OPTION_cdrom
:
2970 hd_filename
[2] = optarg
;
2973 case QEMU_OPTION_boot
:
2974 boot_device
= optarg
[0];
2975 if (boot_device
!= 'a' &&
2976 boot_device
!= 'c' && boot_device
!= 'd') {
2977 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
2981 case QEMU_OPTION_fda
:
2982 fd_filename
[0] = optarg
;
2984 case QEMU_OPTION_fdb
:
2985 fd_filename
[1] = optarg
;
2987 case QEMU_OPTION_no_code_copy
:
2988 code_copy_enabled
= 0;
2990 case QEMU_OPTION_nics
:
2991 nb_nics
= atoi(optarg
);
2992 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
2993 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
2997 case QEMU_OPTION_macaddr
:
3002 for(i
= 0; i
< 6; i
++) {
3003 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3010 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
3019 case QEMU_OPTION_tftp
:
3020 tftp_prefix
= optarg
;
3023 case QEMU_OPTION_smb
:
3024 net_slirp_smb(optarg
);
3027 case QEMU_OPTION_user_net
:
3028 net_if_type
= NET_IF_USER
;
3030 case QEMU_OPTION_redir
:
3031 net_slirp_redir(optarg
);
3034 case QEMU_OPTION_dummy_net
:
3035 net_if_type
= NET_IF_DUMMY
;
3037 case QEMU_OPTION_enable_audio
:
3044 ram_size
= atoi(optarg
) * 1024 * 1024;
3047 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
3048 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
3049 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
3058 mask
= cpu_str_to_log_mask(optarg
);
3060 printf("Log items (comma separated):\n");
3061 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3062 printf("%-10s %s\n", item
->name
, item
->help
);
3070 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3072 #ifdef CONFIG_GDBSTUB
3077 gdbstub_port
= atoi(optarg
);
3084 start_emulation
= 0;
3086 case QEMU_OPTION_pci
:
3089 case QEMU_OPTION_isa
:
3092 case QEMU_OPTION_prep
:
3095 case QEMU_OPTION_localtime
:
3098 case QEMU_OPTION_cirrusvga
:
3099 cirrus_vga_enabled
= 1;
3101 case QEMU_OPTION_std_vga
:
3102 cirrus_vga_enabled
= 0;
3109 w
= strtol(p
, (char **)&p
, 10);
3112 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3118 h
= strtol(p
, (char **)&p
, 10);
3123 depth
= strtol(p
, (char **)&p
, 10);
3124 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3125 depth
!= 24 && depth
!= 32)
3127 } else if (*p
== '\0') {
3128 depth
= graphic_depth
;
3135 graphic_depth
= depth
;
3138 case QEMU_OPTION_monitor
:
3139 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3141 case QEMU_OPTION_serial
:
3142 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3143 fprintf(stderr
, "qemu: too many serial ports\n");
3146 pstrcpy(serial_devices
[serial_device_index
],
3147 sizeof(serial_devices
[0]), optarg
);
3148 serial_device_index
++;
3150 case QEMU_OPTION_loadvm
:
3153 case QEMU_OPTION_full_screen
:
3156 case QEMU_OPTION_pidfile
:
3157 create_pidfile(optarg
);
3163 linux_boot
= (kernel_filename
!= NULL
);
3165 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
3166 fd_filename
[0] == '\0')
3169 /* boot to cd by default if no hard disk */
3170 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3171 if (fd_filename
[0] != '\0')
3177 #if !defined(CONFIG_SOFTMMU)
3178 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3180 static uint8_t stdout_buf
[4096];
3181 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3184 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3187 /* init host network redirectors */
3188 if (net_if_type
== -1) {
3189 net_if_type
= NET_IF_TUN
;
3190 #if defined(CONFIG_SLIRP)
3191 if (access(network_script
, R_OK
) < 0) {
3192 net_if_type
= NET_IF_USER
;
3197 for(i
= 0; i
< nb_nics
; i
++) {
3198 NetDriverState
*nd
= &nd_table
[i
];
3200 /* init virtual mac address */
3201 nd
->macaddr
[0] = macaddr
[0];
3202 nd
->macaddr
[1] = macaddr
[1];
3203 nd
->macaddr
[2] = macaddr
[2];
3204 nd
->macaddr
[3] = macaddr
[3];
3205 nd
->macaddr
[4] = macaddr
[4];
3206 nd
->macaddr
[5] = macaddr
[5] + i
;
3207 switch(net_if_type
) {
3208 #if defined(CONFIG_SLIRP)
3213 #if !defined(_WIN32)
3215 if (i
< nb_tun_fds
) {
3216 net_fd_init(nd
, tun_fds
[i
]);
3218 if (net_tun_init(nd
) < 0)
3230 /* init the memory */
3231 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3233 #ifdef CONFIG_SOFTMMU
3235 /* mallocs are always aligned on BSD. valloc is better for correctness */
3236 phys_ram_base
= valloc(phys_ram_size
);
3238 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
3240 if (!phys_ram_base
) {
3241 fprintf(stderr
, "Could not allocate physical memory\n");
3245 /* as we must map the same page at several addresses, we must use
3250 tmpdir
= getenv("QEMU_TMPDIR");
3253 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3254 if (mkstemp(phys_ram_file
) < 0) {
3255 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3259 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3260 if (phys_ram_fd
< 0) {
3261 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3265 ftruncate(phys_ram_fd
, phys_ram_size
);
3266 unlink(phys_ram_file
);
3267 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3269 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3271 if (phys_ram_base
== MAP_FAILED
) {
3272 fprintf(stderr
, "Could not map physical memory\n");
3278 /* we always create the cdrom drive, even if no disk is there */
3281 bs_table
[2] = bdrv_new("cdrom");
3282 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
3285 /* open the virtual block devices */
3286 for(i
= 0; i
< MAX_DISKS
; i
++) {
3287 if (hd_filename
[i
]) {
3290 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3291 bs_table
[i
] = bdrv_new(buf
);
3293 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3294 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3298 if (i
== 0 && cyls
!= 0) {
3299 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3300 bdrv_set_translation_hint(bs_table
[i
], translation
);
3305 /* we always create at least one floppy disk */
3306 fd_table
[0] = bdrv_new("fda");
3307 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3309 for(i
= 0; i
< MAX_FD
; i
++) {
3310 if (fd_filename
[i
]) {
3313 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3314 fd_table
[i
] = bdrv_new(buf
);
3315 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3317 if (fd_filename
[i
] != '\0') {
3318 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3319 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3327 /* init CPU state */
3330 cpu_single_env
= env
;
3332 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3333 register_savevm("cpu", 0, 2, cpu_save
, cpu_load
, env
);
3334 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3335 qemu_register_reset(main_cpu_reset
, global_env
);
3338 cpu_calibrate_ticks();
3342 dumb_display_init(ds
);
3345 sdl_display_init(ds
, full_screen
);
3347 dumb_display_init(ds
);
3351 vga_console
= graphic_console_init(ds
);
3353 monitor_hd
= qemu_chr_open(monitor_device
);
3355 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3358 monitor_init(monitor_hd
, !nographic
);
3360 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3361 if (serial_devices
[i
][0] != '\0') {
3362 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3363 if (!serial_hds
[i
]) {
3364 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3368 if (!strcmp(serial_devices
[i
], "vc"))
3369 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3373 /* setup cpu signal handlers for MMU / self modifying code handling */
3374 #if !defined(CONFIG_SOFTMMU)
3376 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3379 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3380 stk
.ss_sp
= signal_stack
;
3381 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3384 if (sigaltstack(&stk
, NULL
) < 0) {
3385 perror("sigaltstack");
3391 struct sigaction act
;
3393 sigfillset(&act
.sa_mask
);
3394 act
.sa_flags
= SA_SIGINFO
;
3395 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3396 act
.sa_flags
|= SA_ONSTACK
;
3398 act
.sa_sigaction
= host_segv_handler
;
3399 sigaction(SIGSEGV
, &act
, NULL
);
3400 sigaction(SIGBUS
, &act
, NULL
);
3401 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3402 sigaction(SIGFPE
, &act
, NULL
);
3409 struct sigaction act
;
3410 sigfillset(&act
.sa_mask
);
3412 act
.sa_handler
= SIG_IGN
;
3413 sigaction(SIGPIPE
, &act
, NULL
);
3418 #if defined(TARGET_I386)
3419 pc_init(ram_size
, vga_ram_size
, boot_device
,
3420 ds
, fd_filename
, snapshot
,
3421 kernel_filename
, kernel_cmdline
, initrd_filename
);
3422 #elif defined(TARGET_PPC)
3423 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3424 ds
, fd_filename
, snapshot
,
3425 kernel_filename
, kernel_cmdline
, initrd_filename
);
3426 #elif defined(TARGET_SPARC)
3427 sun4m_init(ram_size
, vga_ram_size
, boot_device
,
3428 ds
, fd_filename
, snapshot
,
3429 kernel_filename
, kernel_cmdline
, initrd_filename
);
3432 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3433 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3435 #ifdef CONFIG_GDBSTUB
3437 if (gdbserver_start(gdbstub_port
) < 0) {
3438 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3442 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3447 qemu_loadvm(loadvm
);
3450 /* XXX: simplify init */
3452 if (start_emulation
) {