4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
34 #include <sys/times.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
50 #include <linux/if_tun.h>
53 #include <linux/rtc.h>
57 #if defined(CONFIG_SLIRP)
63 #include <sys/timeb.h>
65 #define getopt_long_only getopt_long
66 #define memalign(align, size) malloc(size)
73 #endif /* CONFIG_SDL */
81 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
83 //#define DEBUG_UNUSED_IOPORT
84 //#define DEBUG_IOPORT
86 #if !defined(CONFIG_SOFTMMU)
87 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
89 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
93 #define DEFAULT_RAM_SIZE 144
95 #define DEFAULT_RAM_SIZE 128
98 #define GUI_REFRESH_INTERVAL 30
100 /* XXX: use a two level table to limit memory usage */
101 #define MAX_IOPORTS 65536
103 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
104 char phys_ram_file
[1024];
105 CPUState
*global_env
;
106 CPUState
*cpu_single_env
;
107 void *ioport_opaque
[MAX_IOPORTS
];
108 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
109 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
110 BlockDriverState
*bs_table
[MAX_DISKS
], *fd_table
[MAX_FD
];
113 static DisplayState display_state
;
115 const char* keyboard_layout
= NULL
;
116 int64_t ticks_per_sec
;
117 int boot_device
= 'c';
119 static char network_script
[1024];
120 int pit_min_timer_count
= 0;
122 NetDriverState nd_table
[MAX_NICS
];
123 QEMUTimer
*gui_timer
;
125 int audio_enabled
= 0;
126 int sb16_enabled
= 1;
127 int adlib_enabled
= 1;
130 int prep_enabled
= 0;
132 int cirrus_vga_enabled
= 1;
133 int graphic_width
= 800;
134 int graphic_height
= 600;
135 int graphic_depth
= 15;
137 TextConsole
*vga_console
;
138 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
140 /***********************************************************/
141 /* x86 ISA bus support */
143 target_phys_addr_t isa_mem_base
= 0;
145 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
147 #ifdef DEBUG_UNUSED_IOPORT
148 fprintf(stderr
, "inb: port=0x%04x\n", address
);
153 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
155 #ifdef DEBUG_UNUSED_IOPORT
156 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
160 /* default is to make two byte accesses */
161 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
164 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
165 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
166 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
170 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
172 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
173 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
174 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
177 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
179 #ifdef DEBUG_UNUSED_IOPORT
180 fprintf(stderr
, "inl: port=0x%04x\n", address
);
185 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
187 #ifdef DEBUG_UNUSED_IOPORT
188 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
192 void init_ioports(void)
196 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
197 ioport_read_table
[0][i
] = default_ioport_readb
;
198 ioport_write_table
[0][i
] = default_ioport_writeb
;
199 ioport_read_table
[1][i
] = default_ioport_readw
;
200 ioport_write_table
[1][i
] = default_ioport_writew
;
201 ioport_read_table
[2][i
] = default_ioport_readl
;
202 ioport_write_table
[2][i
] = default_ioport_writel
;
206 /* size is the word size in byte */
207 int register_ioport_read(int start
, int length
, int size
,
208 IOPortReadFunc
*func
, void *opaque
)
214 } else if (size
== 2) {
216 } else if (size
== 4) {
219 hw_error("register_ioport_read: invalid size");
222 for(i
= start
; i
< start
+ length
; i
+= size
) {
223 ioport_read_table
[bsize
][i
] = func
;
224 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
225 hw_error("register_ioport_read: invalid opaque");
226 ioport_opaque
[i
] = opaque
;
231 /* size is the word size in byte */
232 int register_ioport_write(int start
, int length
, int size
,
233 IOPortWriteFunc
*func
, void *opaque
)
239 } else if (size
== 2) {
241 } else if (size
== 4) {
244 hw_error("register_ioport_write: invalid size");
247 for(i
= start
; i
< start
+ length
; i
+= size
) {
248 ioport_write_table
[bsize
][i
] = func
;
249 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
250 hw_error("register_ioport_read: invalid opaque");
251 ioport_opaque
[i
] = opaque
;
256 void isa_unassign_ioport(int start
, int length
)
260 for(i
= start
; i
< start
+ length
; i
++) {
261 ioport_read_table
[0][i
] = default_ioport_readb
;
262 ioport_read_table
[1][i
] = default_ioport_readw
;
263 ioport_read_table
[2][i
] = default_ioport_readl
;
265 ioport_write_table
[0][i
] = default_ioport_writeb
;
266 ioport_write_table
[1][i
] = default_ioport_writew
;
267 ioport_write_table
[2][i
] = default_ioport_writel
;
271 void pstrcpy(char *buf
, int buf_size
, const char *str
)
281 if (c
== 0 || q
>= buf
+ buf_size
- 1)
288 /* strcat and truncate. */
289 char *pstrcat(char *buf
, int buf_size
, const char *s
)
294 pstrcpy(buf
+ len
, buf_size
- len
, s
);
298 int strstart(const char *str
, const char *val
, const char **ptr
)
314 /* return the size or -1 if error */
315 int get_image_size(const char *filename
)
318 fd
= open(filename
, O_RDONLY
| O_BINARY
);
321 size
= lseek(fd
, 0, SEEK_END
);
326 /* return the size or -1 if error */
327 int load_image(const char *filename
, uint8_t *addr
)
330 fd
= open(filename
, O_RDONLY
| O_BINARY
);
333 size
= lseek(fd
, 0, SEEK_END
);
334 lseek(fd
, 0, SEEK_SET
);
335 if (read(fd
, addr
, size
) != size
) {
343 void cpu_outb(CPUState
*env
, int addr
, int val
)
346 if (loglevel
& CPU_LOG_IOPORT
)
347 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
349 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
352 void cpu_outw(CPUState
*env
, int addr
, int val
)
355 if (loglevel
& CPU_LOG_IOPORT
)
356 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
358 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
361 void cpu_outl(CPUState
*env
, int addr
, int val
)
364 if (loglevel
& CPU_LOG_IOPORT
)
365 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
367 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
370 int cpu_inb(CPUState
*env
, int addr
)
373 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
375 if (loglevel
& CPU_LOG_IOPORT
)
376 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
381 int cpu_inw(CPUState
*env
, int addr
)
384 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
386 if (loglevel
& CPU_LOG_IOPORT
)
387 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
392 int cpu_inl(CPUState
*env
, int addr
)
395 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
397 if (loglevel
& CPU_LOG_IOPORT
)
398 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
403 /***********************************************************/
404 void hw_error(const char *fmt
, ...)
409 fprintf(stderr
, "qemu: hardware error: ");
410 vfprintf(stderr
, fmt
, ap
);
411 fprintf(stderr
, "\n");
413 cpu_dump_state(global_env
, stderr
, fprintf
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
415 cpu_dump_state(global_env
, stderr
, fprintf
, 0);
421 /***********************************************************/
424 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
425 static void *qemu_put_kbd_event_opaque
;
426 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
427 static void *qemu_put_mouse_event_opaque
;
429 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
431 qemu_put_kbd_event_opaque
= opaque
;
432 qemu_put_kbd_event
= func
;
435 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
437 qemu_put_mouse_event_opaque
= opaque
;
438 qemu_put_mouse_event
= func
;
441 void kbd_put_keycode(int keycode
)
443 if (qemu_put_kbd_event
) {
444 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
448 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
450 if (qemu_put_mouse_event
) {
451 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
452 dx
, dy
, dz
, buttons_state
);
456 /***********************************************************/
459 #if defined(__powerpc__)
461 static inline uint32_t get_tbl(void)
464 asm volatile("mftb %0" : "=r" (tbl
));
468 static inline uint32_t get_tbu(void)
471 asm volatile("mftbu %0" : "=r" (tbl
));
475 int64_t cpu_get_real_ticks(void)
478 /* NOTE: we test if wrapping has occurred */
484 return ((int64_t)h
<< 32) | l
;
487 #elif defined(__i386__)
489 int64_t cpu_get_real_ticks(void)
492 asm volatile ("rdtsc" : "=A" (val
));
496 #elif defined(__x86_64__)
498 int64_t cpu_get_real_ticks(void)
502 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
510 #error unsupported CPU
513 static int64_t cpu_ticks_offset
;
514 static int cpu_ticks_enabled
;
516 static inline int64_t cpu_get_ticks(void)
518 if (!cpu_ticks_enabled
) {
519 return cpu_ticks_offset
;
521 return cpu_get_real_ticks() + cpu_ticks_offset
;
525 /* enable cpu_get_ticks() */
526 void cpu_enable_ticks(void)
528 if (!cpu_ticks_enabled
) {
529 cpu_ticks_offset
-= cpu_get_real_ticks();
530 cpu_ticks_enabled
= 1;
534 /* disable cpu_get_ticks() : the clock is stopped. You must not call
535 cpu_get_ticks() after that. */
536 void cpu_disable_ticks(void)
538 if (cpu_ticks_enabled
) {
539 cpu_ticks_offset
= cpu_get_ticks();
540 cpu_ticks_enabled
= 0;
544 static int64_t get_clock(void)
549 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
552 gettimeofday(&tv
, NULL
);
553 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
557 void cpu_calibrate_ticks(void)
562 ticks
= cpu_get_real_ticks();
568 usec
= get_clock() - usec
;
569 ticks
= cpu_get_real_ticks() - ticks
;
570 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
573 /* compute with 96 bit intermediate result: (a*b)/c */
574 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
579 #ifdef WORDS_BIGENDIAN
589 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
590 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
593 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
597 #define QEMU_TIMER_REALTIME 0
598 #define QEMU_TIMER_VIRTUAL 1
602 /* XXX: add frequency */
610 struct QEMUTimer
*next
;
616 static QEMUTimer
*active_timers
[2];
618 static MMRESULT timerID
;
620 /* frequency of the times() clock tick */
621 static int timer_freq
;
624 QEMUClock
*qemu_new_clock(int type
)
627 clock
= qemu_mallocz(sizeof(QEMUClock
));
634 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
638 ts
= qemu_mallocz(sizeof(QEMUTimer
));
645 void qemu_free_timer(QEMUTimer
*ts
)
650 /* stop a timer, but do not dealloc it */
651 void qemu_del_timer(QEMUTimer
*ts
)
655 /* NOTE: this code must be signal safe because
656 qemu_timer_expired() can be called from a signal. */
657 pt
= &active_timers
[ts
->clock
->type
];
670 /* modify the current timer so that it will be fired when current_time
671 >= expire_time. The corresponding callback will be called. */
672 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
678 /* add the timer in the sorted list */
679 /* NOTE: this code must be signal safe because
680 qemu_timer_expired() can be called from a signal. */
681 pt
= &active_timers
[ts
->clock
->type
];
686 if (t
->expire_time
> expire_time
)
690 ts
->expire_time
= expire_time
;
695 int qemu_timer_pending(QEMUTimer
*ts
)
698 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
705 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
709 return (timer_head
->expire_time
<= current_time
);
712 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
718 if (!ts
|| ts
->expire_time
> current_time
)
720 /* remove timer from the list before calling the callback */
721 *ptimer_head
= ts
->next
;
724 /* run the callback (the timer list can be modified) */
729 int64_t qemu_get_clock(QEMUClock
*clock
)
731 switch(clock
->type
) {
732 case QEMU_TIMER_REALTIME
:
734 return GetTickCount();
739 /* Note that using gettimeofday() is not a good solution
740 for timers because its value change when the date is
742 if (timer_freq
== 100) {
743 return times(&tp
) * 10;
745 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
750 case QEMU_TIMER_VIRTUAL
:
751 return cpu_get_ticks();
756 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
758 uint64_t expire_time
;
760 if (qemu_timer_pending(ts
)) {
761 expire_time
= ts
->expire_time
;
765 qemu_put_be64(f
, expire_time
);
768 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
770 uint64_t expire_time
;
772 expire_time
= qemu_get_be64(f
);
773 if (expire_time
!= -1) {
774 qemu_mod_timer(ts
, expire_time
);
780 static void timer_save(QEMUFile
*f
, void *opaque
)
782 if (cpu_ticks_enabled
) {
783 hw_error("cannot save state if virtual timers are running");
785 qemu_put_be64s(f
, &cpu_ticks_offset
);
786 qemu_put_be64s(f
, &ticks_per_sec
);
789 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
793 if (cpu_ticks_enabled
) {
796 qemu_get_be64s(f
, &cpu_ticks_offset
);
797 qemu_get_be64s(f
, &ticks_per_sec
);
802 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
803 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
805 static void host_alarm_handler(int host_signum
)
809 #define DISP_FREQ 1000
811 static int64_t delta_min
= INT64_MAX
;
812 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
814 ti
= qemu_get_clock(vm_clock
);
815 if (last_clock
!= 0) {
816 delta
= ti
- last_clock
;
817 if (delta
< delta_min
)
819 if (delta
> delta_max
)
822 if (++count
== DISP_FREQ
) {
823 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
824 muldiv64(delta_min
, 1000000, ticks_per_sec
),
825 muldiv64(delta_max
, 1000000, ticks_per_sec
),
826 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
827 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
829 delta_min
= INT64_MAX
;
837 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
838 qemu_get_clock(vm_clock
)) ||
839 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
840 qemu_get_clock(rt_clock
))) {
841 /* stop the cpu because a timer occured */
842 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
848 #if defined(__linux__)
850 #define RTC_FREQ 1024
854 static int start_rtc_timer(void)
856 rtc_fd
= open("/dev/rtc", O_RDONLY
);
859 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
860 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
861 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
862 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
865 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
870 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
876 static int start_rtc_timer(void)
881 #endif /* !defined(__linux__) */
883 #endif /* !defined(_WIN32) */
885 static void init_timers(void)
887 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
888 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
893 timerID
= timeSetEvent(10, // interval (ms)
895 host_alarm_handler
, // function
896 (DWORD
)&count
, // user parameter
897 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
899 perror("failed timer alarm");
903 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
906 struct sigaction act
;
907 struct itimerval itv
;
909 /* get times() syscall frequency */
910 timer_freq
= sysconf(_SC_CLK_TCK
);
913 sigfillset(&act
.sa_mask
);
915 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
916 act
.sa_flags
|= SA_ONSTACK
;
918 act
.sa_handler
= host_alarm_handler
;
919 sigaction(SIGALRM
, &act
, NULL
);
921 itv
.it_interval
.tv_sec
= 0;
922 itv
.it_interval
.tv_usec
= 1000;
923 itv
.it_value
.tv_sec
= 0;
924 itv
.it_value
.tv_usec
= 10 * 1000;
925 setitimer(ITIMER_REAL
, &itv
, NULL
);
926 /* we probe the tick duration of the kernel to inform the user if
927 the emulated kernel requested a too high timer frequency */
928 getitimer(ITIMER_REAL
, &itv
);
930 #if defined(__linux__)
931 if (itv
.it_interval
.tv_usec
> 1000) {
932 /* try to use /dev/rtc to have a faster timer */
933 if (start_rtc_timer() < 0)
936 itv
.it_interval
.tv_sec
= 0;
937 itv
.it_interval
.tv_usec
= 0;
938 itv
.it_value
.tv_sec
= 0;
939 itv
.it_value
.tv_usec
= 0;
940 setitimer(ITIMER_REAL
, &itv
, NULL
);
943 sigaction(SIGIO
, &act
, NULL
);
944 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
945 fcntl(rtc_fd
, F_SETOWN
, getpid());
947 #endif /* defined(__linux__) */
950 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
957 void quit_timers(void)
960 timeKillEvent(timerID
);
964 /***********************************************************/
965 /* character device */
967 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
969 return s
->chr_write(s
, buf
, len
);
972 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
977 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
978 qemu_chr_write(s
, buf
, strlen(buf
));
982 void qemu_chr_send_event(CharDriverState
*s
, int event
)
984 if (s
->chr_send_event
)
985 s
->chr_send_event(s
, event
);
988 void qemu_chr_add_read_handler(CharDriverState
*s
,
989 IOCanRWHandler
*fd_can_read
,
990 IOReadHandler
*fd_read
, void *opaque
)
992 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
995 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
997 s
->chr_event
= chr_event
;
1000 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1005 static void null_chr_add_read_handler(CharDriverState
*chr
,
1006 IOCanRWHandler
*fd_can_read
,
1007 IOReadHandler
*fd_read
, void *opaque
)
1011 CharDriverState
*qemu_chr_open_null(void)
1013 CharDriverState
*chr
;
1015 chr
= qemu_mallocz(sizeof(CharDriverState
));
1018 chr
->chr_write
= null_chr_write
;
1019 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1027 /* for nographic stdio only */
1028 IOCanRWHandler
*fd_can_read
;
1029 IOReadHandler
*fd_read
;
1033 #define STDIO_MAX_CLIENTS 2
1035 static int stdio_nb_clients
;
1036 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1038 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1044 ret
= write(fd
, buf
, len
);
1046 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1048 } else if (ret
== 0) {
1058 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1060 FDCharDriver
*s
= chr
->opaque
;
1061 return unix_write(s
->fd_out
, buf
, len
);
1064 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1065 IOCanRWHandler
*fd_can_read
,
1066 IOReadHandler
*fd_read
, void *opaque
)
1068 FDCharDriver
*s
= chr
->opaque
;
1070 if (nographic
&& s
->fd_in
== 0) {
1071 s
->fd_can_read
= fd_can_read
;
1072 s
->fd_read
= fd_read
;
1073 s
->fd_opaque
= opaque
;
1075 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1079 /* open a character device to a unix fd */
1080 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1082 CharDriverState
*chr
;
1085 chr
= qemu_mallocz(sizeof(CharDriverState
));
1088 s
= qemu_mallocz(sizeof(FDCharDriver
));
1096 chr
->chr_write
= fd_chr_write
;
1097 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1101 /* for STDIO, we handle the case where several clients use it
1104 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1106 static int term_got_escape
, client_index
;
1108 void term_print_help(void)
1111 "C-a h print this help\n"
1112 "C-a x exit emulator\n"
1113 "C-a s save disk data back to file (if -snapshot)\n"
1114 "C-a b send break (magic sysrq)\n"
1115 "C-a c switch between console and monitor\n"
1116 "C-a C-a send C-a\n"
1120 /* called when a char is received */
1121 static void stdio_received_byte(int ch
)
1123 if (term_got_escape
) {
1124 term_got_escape
= 0;
1135 for (i
= 0; i
< MAX_DISKS
; i
++) {
1137 bdrv_commit(bs_table
[i
]);
1142 if (client_index
< stdio_nb_clients
) {
1143 CharDriverState
*chr
;
1146 chr
= stdio_clients
[client_index
];
1148 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1153 if (client_index
>= stdio_nb_clients
)
1155 if (client_index
== 0) {
1156 /* send a new line in the monitor to get the prompt */
1164 } else if (ch
== TERM_ESCAPE
) {
1165 term_got_escape
= 1;
1168 if (client_index
< stdio_nb_clients
) {
1170 CharDriverState
*chr
;
1173 chr
= stdio_clients
[client_index
];
1176 /* XXX: should queue the char if the device is not
1178 if (s
->fd_can_read(s
->fd_opaque
) > 0)
1179 s
->fd_read(s
->fd_opaque
, buf
, 1);
1184 static int stdio_can_read(void *opaque
)
1186 /* XXX: not strictly correct */
1190 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1193 for(i
= 0; i
< size
; i
++)
1194 stdio_received_byte(buf
[i
]);
1197 /* init terminal so that we can grab keys */
1198 static struct termios oldtty
;
1199 static int old_fd0_flags
;
1201 static void term_exit(void)
1203 tcsetattr (0, TCSANOW
, &oldtty
);
1204 fcntl(0, F_SETFL
, old_fd0_flags
);
1207 static void term_init(void)
1211 tcgetattr (0, &tty
);
1213 old_fd0_flags
= fcntl(0, F_GETFL
);
1215 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1216 |INLCR
|IGNCR
|ICRNL
|IXON
);
1217 tty
.c_oflag
|= OPOST
;
1218 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1219 /* if graphical mode, we allow Ctrl-C handling */
1221 tty
.c_lflag
&= ~ISIG
;
1222 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1225 tty
.c_cc
[VTIME
] = 0;
1227 tcsetattr (0, TCSANOW
, &tty
);
1231 fcntl(0, F_SETFL
, O_NONBLOCK
);
1234 CharDriverState
*qemu_chr_open_stdio(void)
1236 CharDriverState
*chr
;
1239 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1241 chr
= qemu_chr_open_fd(0, 1);
1242 if (stdio_nb_clients
== 0)
1243 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1244 client_index
= stdio_nb_clients
;
1246 if (stdio_nb_clients
!= 0)
1248 chr
= qemu_chr_open_fd(0, 1);
1250 stdio_clients
[stdio_nb_clients
++] = chr
;
1251 if (stdio_nb_clients
== 1) {
1252 /* set the terminal in raw mode */
1258 #if defined(__linux__)
1259 CharDriverState
*qemu_chr_open_pty(void)
1261 char slave_name
[1024];
1262 int master_fd
, slave_fd
;
1264 /* Not satisfying */
1265 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1268 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1269 return qemu_chr_open_fd(master_fd
, master_fd
);
1272 CharDriverState
*qemu_chr_open_pty(void)
1278 #endif /* !defined(_WIN32) */
1280 CharDriverState
*qemu_chr_open(const char *filename
)
1282 if (!strcmp(filename
, "vc")) {
1283 return text_console_init(&display_state
);
1284 } else if (!strcmp(filename
, "null")) {
1285 return qemu_chr_open_null();
1288 if (!strcmp(filename
, "pty")) {
1289 return qemu_chr_open_pty();
1290 } else if (!strcmp(filename
, "stdio")) {
1291 return qemu_chr_open_stdio();
1299 /***********************************************************/
1300 /* Linux network device redirectors */
1302 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1306 for(i
=0;i
<size
;i
+=16) {
1310 fprintf(f
, "%08x ", i
);
1313 fprintf(f
, " %02x", buf
[i
+j
]);
1318 for(j
=0;j
<len
;j
++) {
1320 if (c
< ' ' || c
> '~')
1322 fprintf(f
, "%c", c
);
1328 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1330 nd
->send_packet(nd
, buf
, size
);
1333 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1334 IOReadHandler
*fd_read
, void *opaque
)
1336 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1339 /* dummy network adapter */
1341 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1345 static void dummy_add_read_packet(NetDriverState
*nd
,
1346 IOCanRWHandler
*fd_can_read
,
1347 IOReadHandler
*fd_read
, void *opaque
)
1351 static int net_dummy_init(NetDriverState
*nd
)
1353 nd
->send_packet
= dummy_send_packet
;
1354 nd
->add_read_packet
= dummy_add_read_packet
;
1355 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1359 #if defined(CONFIG_SLIRP)
1361 /* slirp network adapter */
1363 static void *slirp_fd_opaque
;
1364 static IOCanRWHandler
*slirp_fd_can_read
;
1365 static IOReadHandler
*slirp_fd_read
;
1366 static int slirp_inited
;
1368 int slirp_can_output(void)
1370 return slirp_fd_can_read(slirp_fd_opaque
);
1373 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1376 printf("output:\n");
1377 hex_dump(stdout
, pkt
, pkt_len
);
1379 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1382 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1386 hex_dump(stdout
, buf
, size
);
1388 slirp_input(buf
, size
);
1391 static void slirp_add_read_packet(NetDriverState
*nd
,
1392 IOCanRWHandler
*fd_can_read
,
1393 IOReadHandler
*fd_read
, void *opaque
)
1395 slirp_fd_opaque
= opaque
;
1396 slirp_fd_can_read
= fd_can_read
;
1397 slirp_fd_read
= fd_read
;
1400 static int net_slirp_init(NetDriverState
*nd
)
1402 if (!slirp_inited
) {
1406 nd
->send_packet
= slirp_send_packet
;
1407 nd
->add_read_packet
= slirp_add_read_packet
;
1408 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1412 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
1417 p1
= strchr(p
, sep
);
1423 if (len
> buf_size
- 1)
1425 memcpy(buf
, p
, len
);
1432 static void net_slirp_redir(const char *redir_str
)
1437 struct in_addr guest_addr
;
1438 int host_port
, guest_port
;
1440 if (!slirp_inited
) {
1446 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1448 if (!strcmp(buf
, "tcp")) {
1450 } else if (!strcmp(buf
, "udp")) {
1456 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1458 host_port
= strtol(buf
, &r
, 0);
1462 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1464 if (buf
[0] == '\0') {
1465 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
1467 if (!inet_aton(buf
, &guest_addr
))
1470 guest_port
= strtol(p
, &r
, 0);
1474 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
1475 fprintf(stderr
, "qemu: could not set up redirection\n");
1480 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1488 static void smb_exit(void)
1492 char filename
[1024];
1494 /* erase all the files in the directory */
1495 d
= opendir(smb_dir
);
1500 if (strcmp(de
->d_name
, ".") != 0 &&
1501 strcmp(de
->d_name
, "..") != 0) {
1502 snprintf(filename
, sizeof(filename
), "%s/%s",
1503 smb_dir
, de
->d_name
);
1511 /* automatic user mode samba server configuration */
1512 void net_slirp_smb(const char *exported_dir
)
1514 char smb_conf
[1024];
1515 char smb_cmdline
[1024];
1518 if (!slirp_inited
) {
1523 /* XXX: better tmp dir construction */
1524 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
1525 if (mkdir(smb_dir
, 0700) < 0) {
1526 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1529 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1531 f
= fopen(smb_conf
, "w");
1533 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1538 "pid directory=%s\n"
1539 "lock directory=%s\n"
1540 "log file=%s/log.smbd\n"
1541 "smb passwd file=%s/smbpasswd\n"
1542 "security = share\n"
1556 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "/usr/sbin/smbd -s %s",
1559 slirp_add_exec(0, smb_cmdline
, 4, 139);
1562 #endif /* !defined(_WIN32) */
1564 #endif /* CONFIG_SLIRP */
1566 #if !defined(_WIN32)
1568 static int tun_open(char *ifname
, int ifname_size
)
1574 fd
= open("/dev/tap", O_RDWR
);
1576 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1581 dev
= devname(s
.st_rdev
, S_IFCHR
);
1582 pstrcpy(ifname
, ifname_size
, dev
);
1584 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1588 static int tun_open(char *ifname
, int ifname_size
)
1593 fd
= open("/dev/net/tun", O_RDWR
);
1595 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1598 memset(&ifr
, 0, sizeof(ifr
));
1599 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1600 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1601 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1603 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1607 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1608 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1609 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1614 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1616 write(nd
->fd
, buf
, size
);
1619 static void tun_add_read_packet(NetDriverState
*nd
,
1620 IOCanRWHandler
*fd_can_read
,
1621 IOReadHandler
*fd_read
, void *opaque
)
1623 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1626 static int net_tun_init(NetDriverState
*nd
)
1632 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1636 /* try to launch network init script */
1641 *parg
++ = network_script
;
1642 *parg
++ = nd
->ifname
;
1644 execv(network_script
, args
);
1647 while (waitpid(pid
, &status
, 0) != pid
);
1648 if (!WIFEXITED(status
) ||
1649 WEXITSTATUS(status
) != 0) {
1650 fprintf(stderr
, "%s: could not launch network script\n",
1654 nd
->send_packet
= tun_send_packet
;
1655 nd
->add_read_packet
= tun_add_read_packet
;
1659 static int net_fd_init(NetDriverState
*nd
, int fd
)
1662 nd
->send_packet
= tun_send_packet
;
1663 nd
->add_read_packet
= tun_add_read_packet
;
1664 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1668 #endif /* !_WIN32 */
1670 /***********************************************************/
1673 static char *pid_filename
;
1675 /* Remove PID file. Called on normal exit */
1677 static void remove_pidfile(void)
1679 unlink (pid_filename
);
1682 static void create_pidfile(const char *filename
)
1684 struct stat pidstat
;
1687 /* Try to write our PID to the named file */
1688 if (stat(filename
, &pidstat
) < 0) {
1689 if (errno
== ENOENT
) {
1690 if ((f
= fopen (filename
, "w")) == NULL
) {
1691 perror("Opening pidfile");
1694 fprintf(f
, "%d\n", getpid());
1696 pid_filename
= qemu_strdup(filename
);
1697 if (!pid_filename
) {
1698 fprintf(stderr
, "Could not save PID filename");
1701 atexit(remove_pidfile
);
1704 fprintf(stderr
, "%s already exists. Remove it and try again.\n",
1710 /***********************************************************/
1713 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1717 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1721 static void dumb_refresh(DisplayState
*ds
)
1723 vga_update_display();
1726 void dumb_display_init(DisplayState
*ds
)
1731 ds
->dpy_update
= dumb_update
;
1732 ds
->dpy_resize
= dumb_resize
;
1733 ds
->dpy_refresh
= dumb_refresh
;
1736 #if !defined(CONFIG_SOFTMMU)
1737 /***********************************************************/
1738 /* cpu signal handler */
1739 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1742 if (cpu_signal_handler(host_signum
, info
, puc
))
1744 if (stdio_nb_clients
> 0)
1750 /***********************************************************/
1753 #define MAX_IO_HANDLERS 64
1755 typedef struct IOHandlerRecord
{
1757 IOCanRWHandler
*fd_can_read
;
1758 IOReadHandler
*fd_read
;
1760 /* temporary data */
1763 struct IOHandlerRecord
*next
;
1766 static IOHandlerRecord
*first_io_handler
;
1768 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1769 IOReadHandler
*fd_read
, void *opaque
)
1771 IOHandlerRecord
*ioh
;
1773 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1777 ioh
->fd_can_read
= fd_can_read
;
1778 ioh
->fd_read
= fd_read
;
1779 ioh
->opaque
= opaque
;
1780 ioh
->next
= first_io_handler
;
1781 first_io_handler
= ioh
;
1785 void qemu_del_fd_read_handler(int fd
)
1787 IOHandlerRecord
**pioh
, *ioh
;
1789 pioh
= &first_io_handler
;
1794 if (ioh
->fd
== fd
) {
1802 /***********************************************************/
1803 /* savevm/loadvm support */
1805 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1807 fwrite(buf
, 1, size
, f
);
1810 void qemu_put_byte(QEMUFile
*f
, int v
)
1815 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1817 qemu_put_byte(f
, v
>> 8);
1818 qemu_put_byte(f
, v
);
1821 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1823 qemu_put_byte(f
, v
>> 24);
1824 qemu_put_byte(f
, v
>> 16);
1825 qemu_put_byte(f
, v
>> 8);
1826 qemu_put_byte(f
, v
);
1829 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1831 qemu_put_be32(f
, v
>> 32);
1832 qemu_put_be32(f
, v
);
1835 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1837 return fread(buf
, 1, size
, f
);
1840 int qemu_get_byte(QEMUFile
*f
)
1850 unsigned int qemu_get_be16(QEMUFile
*f
)
1853 v
= qemu_get_byte(f
) << 8;
1854 v
|= qemu_get_byte(f
);
1858 unsigned int qemu_get_be32(QEMUFile
*f
)
1861 v
= qemu_get_byte(f
) << 24;
1862 v
|= qemu_get_byte(f
) << 16;
1863 v
|= qemu_get_byte(f
) << 8;
1864 v
|= qemu_get_byte(f
);
1868 uint64_t qemu_get_be64(QEMUFile
*f
)
1871 v
= (uint64_t)qemu_get_be32(f
) << 32;
1872 v
|= qemu_get_be32(f
);
1876 int64_t qemu_ftell(QEMUFile
*f
)
1881 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1883 if (fseek(f
, pos
, whence
) < 0)
1888 typedef struct SaveStateEntry
{
1892 SaveStateHandler
*save_state
;
1893 LoadStateHandler
*load_state
;
1895 struct SaveStateEntry
*next
;
1898 static SaveStateEntry
*first_se
;
1900 int register_savevm(const char *idstr
,
1903 SaveStateHandler
*save_state
,
1904 LoadStateHandler
*load_state
,
1907 SaveStateEntry
*se
, **pse
;
1909 se
= qemu_malloc(sizeof(SaveStateEntry
));
1912 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1913 se
->instance_id
= instance_id
;
1914 se
->version_id
= version_id
;
1915 se
->save_state
= save_state
;
1916 se
->load_state
= load_state
;
1917 se
->opaque
= opaque
;
1920 /* add at the end of list */
1922 while (*pse
!= NULL
)
1923 pse
= &(*pse
)->next
;
1928 #define QEMU_VM_FILE_MAGIC 0x5145564d
1929 #define QEMU_VM_FILE_VERSION 0x00000001
1931 int qemu_savevm(const char *filename
)
1935 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1937 saved_vm_running
= vm_running
;
1940 f
= fopen(filename
, "wb");
1946 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1947 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1949 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1951 len
= strlen(se
->idstr
);
1952 qemu_put_byte(f
, len
);
1953 qemu_put_buffer(f
, se
->idstr
, len
);
1955 qemu_put_be32(f
, se
->instance_id
);
1956 qemu_put_be32(f
, se
->version_id
);
1958 /* record size: filled later */
1960 qemu_put_be32(f
, 0);
1962 se
->save_state(f
, se
->opaque
);
1964 /* fill record size */
1966 len
= ftell(f
) - len_pos
- 4;
1967 fseek(f
, len_pos
, SEEK_SET
);
1968 qemu_put_be32(f
, len
);
1969 fseek(f
, cur_pos
, SEEK_SET
);
1975 if (saved_vm_running
)
1980 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1984 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1985 if (!strcmp(se
->idstr
, idstr
) &&
1986 instance_id
== se
->instance_id
)
1992 int qemu_loadvm(const char *filename
)
1996 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
1997 int saved_vm_running
;
2001 saved_vm_running
= vm_running
;
2004 f
= fopen(filename
, "rb");
2010 v
= qemu_get_be32(f
);
2011 if (v
!= QEMU_VM_FILE_MAGIC
)
2013 v
= qemu_get_be32(f
);
2014 if (v
!= QEMU_VM_FILE_VERSION
) {
2021 #if defined (DO_TB_FLUSH)
2022 tb_flush(global_env
);
2024 len
= qemu_get_byte(f
);
2027 qemu_get_buffer(f
, idstr
, len
);
2029 instance_id
= qemu_get_be32(f
);
2030 version_id
= qemu_get_be32(f
);
2031 record_len
= qemu_get_be32(f
);
2033 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2034 idstr
, instance_id
, version_id
, record_len
);
2037 se
= find_se(idstr
, instance_id
);
2039 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2040 instance_id
, idstr
);
2042 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2044 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2045 instance_id
, idstr
);
2048 /* always seek to exact end of record */
2049 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2054 if (saved_vm_running
)
2059 /***********************************************************/
2060 /* cpu save/restore */
2062 #if defined(TARGET_I386)
2064 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2066 qemu_put_be32(f
, dt
->selector
);
2067 qemu_put_be32(f
, (uint32_t)dt
->base
);
2068 qemu_put_be32(f
, dt
->limit
);
2069 qemu_put_be32(f
, dt
->flags
);
2072 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2074 dt
->selector
= qemu_get_be32(f
);
2075 dt
->base
= (uint8_t *)qemu_get_be32(f
);
2076 dt
->limit
= qemu_get_be32(f
);
2077 dt
->flags
= qemu_get_be32(f
);
2080 void cpu_save(QEMUFile
*f
, void *opaque
)
2082 CPUState
*env
= opaque
;
2083 uint16_t fptag
, fpus
, fpuc
;
2087 for(i
= 0; i
< 8; i
++)
2088 qemu_put_be32s(f
, &env
->regs
[i
]);
2089 qemu_put_be32s(f
, &env
->eip
);
2090 qemu_put_be32s(f
, &env
->eflags
);
2091 qemu_put_be32s(f
, &env
->eflags
);
2092 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2093 qemu_put_be32s(f
, &hflags
);
2097 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2099 for (i
=7; i
>=0; i
--) {
2101 if (env
->fptags
[i
]) {
2106 qemu_put_be16s(f
, &fpuc
);
2107 qemu_put_be16s(f
, &fpus
);
2108 qemu_put_be16s(f
, &fptag
);
2110 for(i
= 0; i
< 8; i
++) {
2113 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
]);
2114 qemu_put_be64(f
, mant
);
2115 qemu_put_be16(f
, exp
);
2118 for(i
= 0; i
< 6; i
++)
2119 cpu_put_seg(f
, &env
->segs
[i
]);
2120 cpu_put_seg(f
, &env
->ldt
);
2121 cpu_put_seg(f
, &env
->tr
);
2122 cpu_put_seg(f
, &env
->gdt
);
2123 cpu_put_seg(f
, &env
->idt
);
2125 qemu_put_be32s(f
, &env
->sysenter_cs
);
2126 qemu_put_be32s(f
, &env
->sysenter_esp
);
2127 qemu_put_be32s(f
, &env
->sysenter_eip
);
2129 qemu_put_be32s(f
, &env
->cr
[0]);
2130 qemu_put_be32s(f
, &env
->cr
[2]);
2131 qemu_put_be32s(f
, &env
->cr
[3]);
2132 qemu_put_be32s(f
, &env
->cr
[4]);
2134 for(i
= 0; i
< 8; i
++)
2135 qemu_put_be32s(f
, &env
->dr
[i
]);
2138 qemu_put_be32s(f
, &env
->a20_mask
);
2141 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2143 CPUState
*env
= opaque
;
2146 uint16_t fpus
, fpuc
, fptag
;
2148 if (version_id
!= 2)
2150 for(i
= 0; i
< 8; i
++)
2151 qemu_get_be32s(f
, &env
->regs
[i
]);
2152 qemu_get_be32s(f
, &env
->eip
);
2153 qemu_get_be32s(f
, &env
->eflags
);
2154 qemu_get_be32s(f
, &env
->eflags
);
2155 qemu_get_be32s(f
, &hflags
);
2157 qemu_get_be16s(f
, &fpuc
);
2158 qemu_get_be16s(f
, &fpus
);
2159 qemu_get_be16s(f
, &fptag
);
2161 for(i
= 0; i
< 8; i
++) {
2164 mant
= qemu_get_be64(f
);
2165 exp
= qemu_get_be16(f
);
2166 env
->fpregs
[i
] = cpu_set_fp80(mant
, exp
);
2170 env
->fpstt
= (fpus
>> 11) & 7;
2171 env
->fpus
= fpus
& ~0x3800;
2172 for(i
= 0; i
< 8; i
++) {
2173 env
->fptags
[i
] = ((fptag
& 3) == 3);
2177 for(i
= 0; i
< 6; i
++)
2178 cpu_get_seg(f
, &env
->segs
[i
]);
2179 cpu_get_seg(f
, &env
->ldt
);
2180 cpu_get_seg(f
, &env
->tr
);
2181 cpu_get_seg(f
, &env
->gdt
);
2182 cpu_get_seg(f
, &env
->idt
);
2184 qemu_get_be32s(f
, &env
->sysenter_cs
);
2185 qemu_get_be32s(f
, &env
->sysenter_esp
);
2186 qemu_get_be32s(f
, &env
->sysenter_eip
);
2188 qemu_get_be32s(f
, &env
->cr
[0]);
2189 qemu_get_be32s(f
, &env
->cr
[2]);
2190 qemu_get_be32s(f
, &env
->cr
[3]);
2191 qemu_get_be32s(f
, &env
->cr
[4]);
2193 for(i
= 0; i
< 8; i
++)
2194 qemu_get_be32s(f
, &env
->dr
[i
]);
2197 qemu_get_be32s(f
, &env
->a20_mask
);
2199 /* XXX: compute hflags from scratch, except for CPL and IIF */
2200 env
->hflags
= hflags
;
2205 #elif defined(TARGET_PPC)
2206 void cpu_save(QEMUFile
*f
, void *opaque
)
2210 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2214 #elif defined(TARGET_SPARC)
2215 void cpu_save(QEMUFile
*f
, void *opaque
)
2219 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2225 #warning No CPU save/restore functions
2229 /***********************************************************/
2230 /* ram save/restore */
2232 /* we just avoid storing empty pages */
2233 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2238 for(i
= 1; i
< len
; i
++) {
2242 qemu_put_byte(f
, 1);
2243 qemu_put_byte(f
, v
);
2246 qemu_put_byte(f
, 0);
2247 qemu_put_buffer(f
, buf
, len
);
2250 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2254 v
= qemu_get_byte(f
);
2257 if (qemu_get_buffer(f
, buf
, len
) != len
)
2261 v
= qemu_get_byte(f
);
2262 memset(buf
, v
, len
);
2270 static void ram_save(QEMUFile
*f
, void *opaque
)
2273 qemu_put_be32(f
, phys_ram_size
);
2274 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2275 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2279 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2283 if (version_id
!= 1)
2285 if (qemu_get_be32(f
) != phys_ram_size
)
2287 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2288 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2295 /***********************************************************/
2296 /* main execution loop */
2298 void gui_update(void *opaque
)
2300 display_state
.dpy_refresh(&display_state
);
2301 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2304 /* XXX: support several handlers */
2305 VMStopHandler
*vm_stop_cb
;
2306 VMStopHandler
*vm_stop_opaque
;
2308 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2311 vm_stop_opaque
= opaque
;
2315 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2328 void vm_stop(int reason
)
2331 cpu_disable_ticks();
2335 vm_stop_cb(vm_stop_opaque
, reason
);
2341 /* reset/shutdown handler */
2343 typedef struct QEMUResetEntry
{
2344 QEMUResetHandler
*func
;
2346 struct QEMUResetEntry
*next
;
2349 static QEMUResetEntry
*first_reset_entry
;
2350 static int reset_requested
;
2351 static int shutdown_requested
;
2353 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2355 QEMUResetEntry
**pre
, *re
;
2357 pre
= &first_reset_entry
;
2358 while (*pre
!= NULL
)
2359 pre
= &(*pre
)->next
;
2360 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2362 re
->opaque
= opaque
;
2367 void qemu_system_reset(void)
2371 /* reset all devices */
2372 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2373 re
->func(re
->opaque
);
2377 void qemu_system_reset_request(void)
2379 reset_requested
= 1;
2380 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2383 void qemu_system_shutdown_request(void)
2385 shutdown_requested
= 1;
2386 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2389 static void main_cpu_reset(void *opaque
)
2392 CPUState
*env
= opaque
;
2397 void main_loop_wait(int timeout
)
2400 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2401 IOHandlerRecord
*ioh
, *ioh_next
;
2411 /* poll any events */
2412 /* XXX: separate device handlers from system ones */
2414 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2415 if (!ioh
->fd_can_read
) {
2418 pf
->events
= POLLIN
;
2422 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2424 if (max_size
> sizeof(buf
))
2425 max_size
= sizeof(buf
);
2427 pf
->events
= POLLIN
;
2434 ioh
->max_size
= max_size
;
2437 ret
= poll(ufds
, pf
- ufds
, timeout
);
2439 /* XXX: better handling of removal */
2440 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2441 ioh_next
= ioh
->next
;
2444 if (pf
->revents
& POLLIN
) {
2445 if (ioh
->max_size
== 0) {
2446 /* just a read event */
2447 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2449 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2451 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2452 } else if (errno
!= EAGAIN
) {
2453 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2460 #endif /* !defined(_WIN32) */
2461 #if defined(CONFIG_SLIRP)
2462 /* XXX: merge with poll() */
2464 fd_set rfds
, wfds
, xfds
;
2472 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2475 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2477 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2483 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2484 qemu_get_clock(vm_clock
));
2485 /* run dma transfers, if any */
2489 /* real time timers */
2490 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2491 qemu_get_clock(rt_clock
));
2497 CPUState
*env
= global_env
;
2501 ret
= cpu_exec(env
);
2502 if (shutdown_requested
) {
2503 ret
= EXCP_INTERRUPT
;
2506 if (reset_requested
) {
2507 reset_requested
= 0;
2508 qemu_system_reset();
2509 ret
= EXCP_INTERRUPT
;
2511 if (ret
== EXCP_DEBUG
) {
2512 vm_stop(EXCP_DEBUG
);
2514 /* if hlt instruction, we wait until the next IRQ */
2515 /* XXX: use timeout computed from timers */
2516 if (ret
== EXCP_HLT
)
2523 main_loop_wait(timeout
);
2525 cpu_disable_ticks();
2531 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2532 "usage: %s [options] [disk_image]\n"
2534 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2536 "Standard options:\n"
2537 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2538 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2539 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2540 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2541 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2542 "-snapshot write to temporary files instead of disk image files\n"
2543 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2544 "-nographic disable graphical output and redirect serial I/Os to console\n"
2545 "-k language use keyboard layout (for example \"fr\" for French)\n"
2546 "-enable-audio enable audio support\n"
2547 "-localtime set the real time clock to local time [default=utc]\n"
2548 "-full-screen start in full screen\n"
2550 "-prep Simulate a PREP system (default is PowerMAC)\n"
2551 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2554 "Network options:\n"
2555 "-nics n simulate 'n' network cards [default=1]\n"
2556 "-macaddr addr set the mac address of the first interface\n"
2557 "-n script set tap/tun network init script [default=%s]\n"
2558 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2560 "-user-net use user mode network stack [default if no tap/tun script]\n"
2561 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2563 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2565 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2566 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2568 "-dummy-net use dummy network stack\n"
2570 "Linux boot specific:\n"
2571 "-kernel bzImage use 'bzImage' as kernel image\n"
2572 "-append cmdline use 'cmdline' as kernel command line\n"
2573 "-initrd file use 'file' as initial ram disk\n"
2575 "Debug/Expert options:\n"
2576 "-monitor dev redirect the monitor to char device 'dev'\n"
2577 "-serial dev redirect the serial port to char device 'dev'\n"
2578 "-pidfile file Write PID to 'file'\n"
2579 "-S freeze CPU at startup (use 'c' to start execution)\n"
2580 "-s wait gdb connection to port %d\n"
2581 "-p port change gdb connection port\n"
2582 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2583 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2584 " translation (t=none or lba) (usually qemu can guess them)\n"
2585 "-L path set the directory for the BIOS and VGA BIOS\n"
2586 #ifdef USE_CODE_COPY
2587 "-no-code-copy disable code copy acceleration\n"
2590 "-isa simulate an ISA-only system (default is PCI system)\n"
2591 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2592 " (default is CL-GD5446 PCI VGA)\n"
2594 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2596 "During emulation, the following keys are useful:\n"
2597 "ctrl-alt-f toggle full screen\n"
2598 "ctrl-alt-n switch to virtual console 'n'\n"
2599 "ctrl-alt toggle mouse and keyboard grab\n"
2601 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2603 #ifdef CONFIG_SOFTMMU
2609 DEFAULT_NETWORK_SCRIPT
,
2610 DEFAULT_GDBSTUB_PORT
,
2612 #ifndef CONFIG_SOFTMMU
2614 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2615 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2621 #define HAS_ARG 0x0001
2634 QEMU_OPTION_snapshot
,
2636 QEMU_OPTION_nographic
,
2637 QEMU_OPTION_enable_audio
,
2640 QEMU_OPTION_macaddr
,
2643 QEMU_OPTION_user_net
,
2647 QEMU_OPTION_dummy_net
,
2659 QEMU_OPTION_no_code_copy
,
2664 QEMU_OPTION_localtime
,
2665 QEMU_OPTION_cirrusvga
,
2667 QEMU_OPTION_std_vga
,
2668 QEMU_OPTION_monitor
,
2671 QEMU_OPTION_full_screen
,
2672 QEMU_OPTION_pidfile
,
2675 typedef struct QEMUOption
{
2681 const QEMUOption qemu_options
[] = {
2682 { "h", 0, QEMU_OPTION_h
},
2684 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2685 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2686 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2687 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2688 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2689 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2690 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2691 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2692 { "snapshot", 0, QEMU_OPTION_snapshot
},
2693 { "m", HAS_ARG
, QEMU_OPTION_m
},
2694 { "nographic", 0, QEMU_OPTION_nographic
},
2695 { "k", HAS_ARG
, QEMU_OPTION_k
},
2696 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2698 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2699 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2700 { "n", HAS_ARG
, QEMU_OPTION_n
},
2701 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2703 { "user-net", 0, QEMU_OPTION_user_net
},
2704 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
2706 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
2708 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
2710 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2712 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2713 { "append", HAS_ARG
, QEMU_OPTION_append
},
2714 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2716 { "S", 0, QEMU_OPTION_S
},
2717 { "s", 0, QEMU_OPTION_s
},
2718 { "p", HAS_ARG
, QEMU_OPTION_p
},
2719 { "d", HAS_ARG
, QEMU_OPTION_d
},
2720 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2721 { "L", HAS_ARG
, QEMU_OPTION_L
},
2722 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2724 { "prep", 0, QEMU_OPTION_prep
},
2725 { "g", 1, QEMU_OPTION_g
},
2727 { "localtime", 0, QEMU_OPTION_localtime
},
2728 { "isa", 0, QEMU_OPTION_isa
},
2729 { "std-vga", 0, QEMU_OPTION_std_vga
},
2730 { "monitor", 1, QEMU_OPTION_monitor
},
2731 { "serial", 1, QEMU_OPTION_serial
},
2732 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
2733 { "full-screen", 0, QEMU_OPTION_full_screen
},
2734 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
2736 /* temporary options */
2737 { "pci", 0, QEMU_OPTION_pci
},
2738 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2742 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2744 /* this stack is only used during signal handling */
2745 #define SIGNAL_STACK_SIZE 32768
2747 static uint8_t *signal_stack
;
2751 /* password input */
2753 static BlockDriverState
*get_bdrv(int index
)
2755 BlockDriverState
*bs
;
2758 bs
= bs_table
[index
];
2759 } else if (index
< 6) {
2760 bs
= fd_table
[index
- 4];
2767 static void read_passwords(void)
2769 BlockDriverState
*bs
;
2773 for(i
= 0; i
< 6; i
++) {
2775 if (bs
&& bdrv_is_encrypted(bs
)) {
2776 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
2777 for(j
= 0; j
< 3; j
++) {
2778 monitor_readline("Password: ",
2779 1, password
, sizeof(password
));
2780 if (bdrv_set_key(bs
, password
) == 0)
2782 term_printf("invalid password\n");
2788 #define NET_IF_TUN 0
2789 #define NET_IF_USER 1
2790 #define NET_IF_DUMMY 2
2792 int main(int argc
, char **argv
)
2794 #ifdef CONFIG_GDBSTUB
2795 int use_gdbstub
, gdbstub_port
;
2798 int snapshot
, linux_boot
;
2800 const char *initrd_filename
;
2801 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2802 const char *kernel_filename
, *kernel_cmdline
;
2803 DisplayState
*ds
= &display_state
;
2804 int cyls
, heads
, secs
, translation
;
2805 int start_emulation
= 1;
2807 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2809 const char *r
, *optarg
;
2810 CharDriverState
*monitor_hd
;
2811 char monitor_device
[128];
2812 char serial_devices
[MAX_SERIAL_PORTS
][128];
2813 int serial_device_index
;
2814 const char *loadvm
= NULL
;
2816 #if !defined(CONFIG_SOFTMMU)
2817 /* we never want that malloc() uses mmap() */
2818 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
2820 initrd_filename
= NULL
;
2821 for(i
= 0; i
< MAX_FD
; i
++)
2822 fd_filename
[i
] = NULL
;
2823 for(i
= 0; i
< MAX_DISKS
; i
++)
2824 hd_filename
[i
] = NULL
;
2825 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
2826 vga_ram_size
= VGA_RAM_SIZE
;
2827 bios_size
= BIOS_SIZE
;
2828 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
2829 #ifdef CONFIG_GDBSTUB
2831 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
2835 kernel_filename
= NULL
;
2836 kernel_cmdline
= "";
2838 cyls
= heads
= secs
= 0;
2839 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2840 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
2842 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
2843 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
2844 serial_devices
[i
][0] = '\0';
2845 serial_device_index
= 0;
2850 /* default mac address of the first network interface */
2864 hd_filename
[0] = argv
[optind
++];
2866 const QEMUOption
*popt
;
2869 popt
= qemu_options
;
2872 fprintf(stderr
, "%s: invalid option -- '%s'\n",
2876 if (!strcmp(popt
->name
, r
+ 1))
2880 if (popt
->flags
& HAS_ARG
) {
2881 if (optind
>= argc
) {
2882 fprintf(stderr
, "%s: option '%s' requires an argument\n",
2886 optarg
= argv
[optind
++];
2891 switch(popt
->index
) {
2892 case QEMU_OPTION_initrd
:
2893 initrd_filename
= optarg
;
2895 case QEMU_OPTION_hda
:
2896 hd_filename
[0] = optarg
;
2898 case QEMU_OPTION_hdb
:
2899 hd_filename
[1] = optarg
;
2901 case QEMU_OPTION_snapshot
:
2904 case QEMU_OPTION_hdachs
:
2908 cyls
= strtol(p
, (char **)&p
, 0);
2909 if (cyls
< 1 || cyls
> 16383)
2914 heads
= strtol(p
, (char **)&p
, 0);
2915 if (heads
< 1 || heads
> 16)
2920 secs
= strtol(p
, (char **)&p
, 0);
2921 if (secs
< 1 || secs
> 63)
2925 if (!strcmp(p
, "none"))
2926 translation
= BIOS_ATA_TRANSLATION_NONE
;
2927 else if (!strcmp(p
, "lba"))
2928 translation
= BIOS_ATA_TRANSLATION_LBA
;
2929 else if (!strcmp(p
, "auto"))
2930 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2933 } else if (*p
!= '\0') {
2935 fprintf(stderr
, "qemu: invalid physical CHS format\n");
2940 case QEMU_OPTION_nographic
:
2941 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
2942 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
2945 case QEMU_OPTION_kernel
:
2946 kernel_filename
= optarg
;
2948 case QEMU_OPTION_append
:
2949 kernel_cmdline
= optarg
;
2951 case QEMU_OPTION_tun_fd
:
2955 net_if_type
= NET_IF_TUN
;
2956 if (nb_tun_fds
< MAX_NICS
) {
2957 fd
= strtol(optarg
, (char **)&p
, 0);
2959 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
2962 tun_fds
[nb_tun_fds
++] = fd
;
2966 case QEMU_OPTION_hdc
:
2967 hd_filename
[2] = optarg
;
2970 case QEMU_OPTION_hdd
:
2971 hd_filename
[3] = optarg
;
2973 case QEMU_OPTION_cdrom
:
2974 hd_filename
[2] = optarg
;
2977 case QEMU_OPTION_boot
:
2978 boot_device
= optarg
[0];
2979 if (boot_device
!= 'a' &&
2980 boot_device
!= 'c' && boot_device
!= 'd') {
2981 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
2985 case QEMU_OPTION_fda
:
2986 fd_filename
[0] = optarg
;
2988 case QEMU_OPTION_fdb
:
2989 fd_filename
[1] = optarg
;
2991 case QEMU_OPTION_no_code_copy
:
2992 code_copy_enabled
= 0;
2994 case QEMU_OPTION_nics
:
2995 nb_nics
= atoi(optarg
);
2996 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
2997 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
3001 case QEMU_OPTION_macaddr
:
3006 for(i
= 0; i
< 6; i
++) {
3007 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3014 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
3023 case QEMU_OPTION_tftp
:
3024 tftp_prefix
= optarg
;
3027 case QEMU_OPTION_smb
:
3028 net_slirp_smb(optarg
);
3031 case QEMU_OPTION_user_net
:
3032 net_if_type
= NET_IF_USER
;
3034 case QEMU_OPTION_redir
:
3035 net_slirp_redir(optarg
);
3038 case QEMU_OPTION_dummy_net
:
3039 net_if_type
= NET_IF_DUMMY
;
3041 case QEMU_OPTION_enable_audio
:
3048 ram_size
= atoi(optarg
) * 1024 * 1024;
3051 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
3052 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
3053 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
3062 mask
= cpu_str_to_log_mask(optarg
);
3064 printf("Log items (comma separated):\n");
3065 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3066 printf("%-10s %s\n", item
->name
, item
->help
);
3074 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3076 #ifdef CONFIG_GDBSTUB
3081 gdbstub_port
= atoi(optarg
);
3088 start_emulation
= 0;
3090 case QEMU_OPTION_pci
:
3093 case QEMU_OPTION_isa
:
3096 case QEMU_OPTION_prep
:
3100 keyboard_layout
= optarg
;
3102 case QEMU_OPTION_localtime
:
3105 case QEMU_OPTION_cirrusvga
:
3106 cirrus_vga_enabled
= 1;
3108 case QEMU_OPTION_std_vga
:
3109 cirrus_vga_enabled
= 0;
3116 w
= strtol(p
, (char **)&p
, 10);
3119 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3125 h
= strtol(p
, (char **)&p
, 10);
3130 depth
= strtol(p
, (char **)&p
, 10);
3131 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3132 depth
!= 24 && depth
!= 32)
3134 } else if (*p
== '\0') {
3135 depth
= graphic_depth
;
3142 graphic_depth
= depth
;
3145 case QEMU_OPTION_monitor
:
3146 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3148 case QEMU_OPTION_serial
:
3149 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3150 fprintf(stderr
, "qemu: too many serial ports\n");
3153 pstrcpy(serial_devices
[serial_device_index
],
3154 sizeof(serial_devices
[0]), optarg
);
3155 serial_device_index
++;
3157 case QEMU_OPTION_loadvm
:
3160 case QEMU_OPTION_full_screen
:
3163 case QEMU_OPTION_pidfile
:
3164 create_pidfile(optarg
);
3170 linux_boot
= (kernel_filename
!= NULL
);
3172 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
3173 fd_filename
[0] == '\0')
3176 /* boot to cd by default if no hard disk */
3177 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3178 if (fd_filename
[0] != '\0')
3184 #if !defined(CONFIG_SOFTMMU)
3185 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3187 static uint8_t stdout_buf
[4096];
3188 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3191 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3194 /* init host network redirectors */
3195 if (net_if_type
== -1) {
3196 net_if_type
= NET_IF_TUN
;
3197 #if defined(CONFIG_SLIRP)
3198 if (access(network_script
, R_OK
) < 0) {
3199 net_if_type
= NET_IF_USER
;
3204 for(i
= 0; i
< nb_nics
; i
++) {
3205 NetDriverState
*nd
= &nd_table
[i
];
3207 /* init virtual mac address */
3208 nd
->macaddr
[0] = macaddr
[0];
3209 nd
->macaddr
[1] = macaddr
[1];
3210 nd
->macaddr
[2] = macaddr
[2];
3211 nd
->macaddr
[3] = macaddr
[3];
3212 nd
->macaddr
[4] = macaddr
[4];
3213 nd
->macaddr
[5] = macaddr
[5] + i
;
3214 switch(net_if_type
) {
3215 #if defined(CONFIG_SLIRP)
3220 #if !defined(_WIN32)
3222 if (i
< nb_tun_fds
) {
3223 net_fd_init(nd
, tun_fds
[i
]);
3225 if (net_tun_init(nd
) < 0)
3237 /* init the memory */
3238 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3240 #ifdef CONFIG_SOFTMMU
3242 /* mallocs are always aligned on BSD. valloc is better for correctness */
3243 phys_ram_base
= valloc(phys_ram_size
);
3245 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
3247 if (!phys_ram_base
) {
3248 fprintf(stderr
, "Could not allocate physical memory\n");
3252 /* as we must map the same page at several addresses, we must use
3257 tmpdir
= getenv("QEMU_TMPDIR");
3260 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3261 if (mkstemp(phys_ram_file
) < 0) {
3262 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3266 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3267 if (phys_ram_fd
< 0) {
3268 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3272 ftruncate(phys_ram_fd
, phys_ram_size
);
3273 unlink(phys_ram_file
);
3274 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3276 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3278 if (phys_ram_base
== MAP_FAILED
) {
3279 fprintf(stderr
, "Could not map physical memory\n");
3285 /* we always create the cdrom drive, even if no disk is there */
3288 bs_table
[2] = bdrv_new("cdrom");
3289 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
3292 /* open the virtual block devices */
3293 for(i
= 0; i
< MAX_DISKS
; i
++) {
3294 if (hd_filename
[i
]) {
3297 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3298 bs_table
[i
] = bdrv_new(buf
);
3300 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3301 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3305 if (i
== 0 && cyls
!= 0) {
3306 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3307 bdrv_set_translation_hint(bs_table
[i
], translation
);
3312 /* we always create at least one floppy disk */
3313 fd_table
[0] = bdrv_new("fda");
3314 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3316 for(i
= 0; i
< MAX_FD
; i
++) {
3317 if (fd_filename
[i
]) {
3320 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3321 fd_table
[i
] = bdrv_new(buf
);
3322 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3324 if (fd_filename
[i
] != '\0') {
3325 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3326 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3334 /* init CPU state */
3337 cpu_single_env
= env
;
3339 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3340 register_savevm("cpu", 0, 2, cpu_save
, cpu_load
, env
);
3341 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3342 qemu_register_reset(main_cpu_reset
, global_env
);
3345 cpu_calibrate_ticks();
3349 dumb_display_init(ds
);
3352 sdl_display_init(ds
, full_screen
);
3354 dumb_display_init(ds
);
3358 vga_console
= graphic_console_init(ds
);
3360 monitor_hd
= qemu_chr_open(monitor_device
);
3362 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3365 monitor_init(monitor_hd
, !nographic
);
3367 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3368 if (serial_devices
[i
][0] != '\0') {
3369 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3370 if (!serial_hds
[i
]) {
3371 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3375 if (!strcmp(serial_devices
[i
], "vc"))
3376 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3380 /* setup cpu signal handlers for MMU / self modifying code handling */
3381 #if !defined(CONFIG_SOFTMMU)
3383 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3386 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3387 stk
.ss_sp
= signal_stack
;
3388 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3391 if (sigaltstack(&stk
, NULL
) < 0) {
3392 perror("sigaltstack");
3398 struct sigaction act
;
3400 sigfillset(&act
.sa_mask
);
3401 act
.sa_flags
= SA_SIGINFO
;
3402 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3403 act
.sa_flags
|= SA_ONSTACK
;
3405 act
.sa_sigaction
= host_segv_handler
;
3406 sigaction(SIGSEGV
, &act
, NULL
);
3407 sigaction(SIGBUS
, &act
, NULL
);
3408 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3409 sigaction(SIGFPE
, &act
, NULL
);
3416 struct sigaction act
;
3417 sigfillset(&act
.sa_mask
);
3419 act
.sa_handler
= SIG_IGN
;
3420 sigaction(SIGPIPE
, &act
, NULL
);
3425 #if defined(TARGET_I386)
3426 pc_init(ram_size
, vga_ram_size
, boot_device
,
3427 ds
, fd_filename
, snapshot
,
3428 kernel_filename
, kernel_cmdline
, initrd_filename
);
3429 #elif defined(TARGET_PPC)
3430 ppc_init(ram_size
, vga_ram_size
, boot_device
,
3431 ds
, fd_filename
, snapshot
,
3432 kernel_filename
, kernel_cmdline
, initrd_filename
);
3433 #elif defined(TARGET_SPARC)
3434 sun4m_init(ram_size
, vga_ram_size
, boot_device
,
3435 ds
, fd_filename
, snapshot
,
3436 kernel_filename
, kernel_cmdline
, initrd_filename
);
3439 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3440 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3442 #ifdef CONFIG_GDBSTUB
3444 if (gdbserver_start(gdbstub_port
) < 0) {
3445 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3449 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3454 qemu_loadvm(loadvm
);
3457 /* XXX: simplify init */
3459 if (start_emulation
) {