4 * Copyright (c) 2003-2005 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 */
77 #define main qemu_main
78 #endif /* CONFIG_COCOA */
86 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
88 //#define DEBUG_UNUSED_IOPORT
89 //#define DEBUG_IOPORT
91 #if !defined(CONFIG_SOFTMMU)
92 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
94 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
98 #define DEFAULT_RAM_SIZE 144
100 #define DEFAULT_RAM_SIZE 128
103 #define GUI_REFRESH_INTERVAL 30
105 /* XXX: use a two level table to limit memory usage */
106 #define MAX_IOPORTS 65536
108 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
109 char phys_ram_file
[1024];
110 CPUState
*global_env
;
111 CPUState
*cpu_single_env
;
112 void *ioport_opaque
[MAX_IOPORTS
];
113 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
114 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
115 BlockDriverState
*bs_table
[MAX_DISKS
], *fd_table
[MAX_FD
];
118 static DisplayState display_state
;
120 const char* keyboard_layout
= NULL
;
121 int64_t ticks_per_sec
;
122 int boot_device
= 'c';
124 static char network_script
[1024];
125 int pit_min_timer_count
= 0;
127 NetDriverState nd_table
[MAX_NICS
];
128 QEMUTimer
*gui_timer
;
130 int audio_enabled
= 0;
131 int sb16_enabled
= 1;
132 int adlib_enabled
= 1;
135 int prep_enabled
= 0;
137 int cirrus_vga_enabled
= 1;
139 int graphic_width
= 1024;
140 int graphic_height
= 768;
142 int graphic_width
= 800;
143 int graphic_height
= 600;
145 int graphic_depth
= 15;
147 TextConsole
*vga_console
;
148 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
149 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
151 int win2k_install_hack
= 0;
154 /***********************************************************/
155 /* x86 ISA bus support */
157 target_phys_addr_t isa_mem_base
= 0;
160 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
162 #ifdef DEBUG_UNUSED_IOPORT
163 fprintf(stderr
, "inb: port=0x%04x\n", address
);
168 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
170 #ifdef DEBUG_UNUSED_IOPORT
171 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
175 /* default is to make two byte accesses */
176 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
179 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
180 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
181 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
185 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
187 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
188 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
189 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
192 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
194 #ifdef DEBUG_UNUSED_IOPORT
195 fprintf(stderr
, "inl: port=0x%04x\n", address
);
200 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
202 #ifdef DEBUG_UNUSED_IOPORT
203 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
207 void init_ioports(void)
211 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
212 ioport_read_table
[0][i
] = default_ioport_readb
;
213 ioport_write_table
[0][i
] = default_ioport_writeb
;
214 ioport_read_table
[1][i
] = default_ioport_readw
;
215 ioport_write_table
[1][i
] = default_ioport_writew
;
216 ioport_read_table
[2][i
] = default_ioport_readl
;
217 ioport_write_table
[2][i
] = default_ioport_writel
;
221 /* size is the word size in byte */
222 int register_ioport_read(int start
, int length
, int size
,
223 IOPortReadFunc
*func
, void *opaque
)
229 } else if (size
== 2) {
231 } else if (size
== 4) {
234 hw_error("register_ioport_read: invalid size");
237 for(i
= start
; i
< start
+ length
; i
+= size
) {
238 ioport_read_table
[bsize
][i
] = func
;
239 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
240 hw_error("register_ioport_read: invalid opaque");
241 ioport_opaque
[i
] = opaque
;
246 /* size is the word size in byte */
247 int register_ioport_write(int start
, int length
, int size
,
248 IOPortWriteFunc
*func
, void *opaque
)
254 } else if (size
== 2) {
256 } else if (size
== 4) {
259 hw_error("register_ioport_write: invalid size");
262 for(i
= start
; i
< start
+ length
; i
+= size
) {
263 ioport_write_table
[bsize
][i
] = func
;
264 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
265 hw_error("register_ioport_read: invalid opaque");
266 ioport_opaque
[i
] = opaque
;
271 void isa_unassign_ioport(int start
, int length
)
275 for(i
= start
; i
< start
+ length
; i
++) {
276 ioport_read_table
[0][i
] = default_ioport_readb
;
277 ioport_read_table
[1][i
] = default_ioport_readw
;
278 ioport_read_table
[2][i
] = default_ioport_readl
;
280 ioport_write_table
[0][i
] = default_ioport_writeb
;
281 ioport_write_table
[1][i
] = default_ioport_writew
;
282 ioport_write_table
[2][i
] = default_ioport_writel
;
286 /***********************************************************/
288 void pstrcpy(char *buf
, int buf_size
, const char *str
)
298 if (c
== 0 || q
>= buf
+ buf_size
- 1)
305 /* strcat and truncate. */
306 char *pstrcat(char *buf
, int buf_size
, const char *s
)
311 pstrcpy(buf
+ len
, buf_size
- len
, s
);
315 int strstart(const char *str
, const char *val
, const char **ptr
)
331 /* return the size or -1 if error */
332 int get_image_size(const char *filename
)
335 fd
= open(filename
, O_RDONLY
| O_BINARY
);
338 size
= lseek(fd
, 0, SEEK_END
);
343 /* return the size or -1 if error */
344 int load_image(const char *filename
, uint8_t *addr
)
347 fd
= open(filename
, O_RDONLY
| O_BINARY
);
350 size
= lseek(fd
, 0, SEEK_END
);
351 lseek(fd
, 0, SEEK_SET
);
352 if (read(fd
, addr
, size
) != size
) {
360 void cpu_outb(CPUState
*env
, int addr
, int val
)
363 if (loglevel
& CPU_LOG_IOPORT
)
364 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
366 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
369 void cpu_outw(CPUState
*env
, int addr
, int val
)
372 if (loglevel
& CPU_LOG_IOPORT
)
373 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
375 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
378 void cpu_outl(CPUState
*env
, int addr
, int val
)
381 if (loglevel
& CPU_LOG_IOPORT
)
382 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
384 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
387 int cpu_inb(CPUState
*env
, int addr
)
390 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
392 if (loglevel
& CPU_LOG_IOPORT
)
393 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
398 int cpu_inw(CPUState
*env
, int addr
)
401 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
403 if (loglevel
& CPU_LOG_IOPORT
)
404 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
409 int cpu_inl(CPUState
*env
, int addr
)
412 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
414 if (loglevel
& CPU_LOG_IOPORT
)
415 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
420 /***********************************************************/
421 void hw_error(const char *fmt
, ...)
426 fprintf(stderr
, "qemu: hardware error: ");
427 vfprintf(stderr
, fmt
, ap
);
428 fprintf(stderr
, "\n");
430 cpu_dump_state(global_env
, stderr
, fprintf
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
432 cpu_dump_state(global_env
, stderr
, fprintf
, 0);
438 /***********************************************************/
441 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
442 static void *qemu_put_kbd_event_opaque
;
443 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
444 static void *qemu_put_mouse_event_opaque
;
446 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
448 qemu_put_kbd_event_opaque
= opaque
;
449 qemu_put_kbd_event
= func
;
452 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
454 qemu_put_mouse_event_opaque
= opaque
;
455 qemu_put_mouse_event
= func
;
458 void kbd_put_keycode(int keycode
)
460 if (qemu_put_kbd_event
) {
461 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
465 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
467 if (qemu_put_mouse_event
) {
468 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
469 dx
, dy
, dz
, buttons_state
);
473 /***********************************************************/
476 #if defined(__powerpc__)
478 static inline uint32_t get_tbl(void)
481 asm volatile("mftb %0" : "=r" (tbl
));
485 static inline uint32_t get_tbu(void)
488 asm volatile("mftbu %0" : "=r" (tbl
));
492 int64_t cpu_get_real_ticks(void)
495 /* NOTE: we test if wrapping has occurred */
501 return ((int64_t)h
<< 32) | l
;
504 #elif defined(__i386__)
506 int64_t cpu_get_real_ticks(void)
509 asm volatile ("rdtsc" : "=A" (val
));
513 #elif defined(__x86_64__)
515 int64_t cpu_get_real_ticks(void)
519 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
526 #elif defined(__ia64)
528 int64_t cpu_get_real_ticks(void)
531 asm volatile ("mov %0 = ar.itc" : "=r"(val
) :: "memory");
535 #elif defined(__s390__)
537 int64_t cpu_get_real_ticks(void)
540 asm volatile("stck 0(%1)" : "=m" (val
) : "a" (&val
) : "cc");
545 #error unsupported CPU
548 static int64_t cpu_ticks_offset
;
549 static int cpu_ticks_enabled
;
551 static inline int64_t cpu_get_ticks(void)
553 if (!cpu_ticks_enabled
) {
554 return cpu_ticks_offset
;
556 return cpu_get_real_ticks() + cpu_ticks_offset
;
560 /* enable cpu_get_ticks() */
561 void cpu_enable_ticks(void)
563 if (!cpu_ticks_enabled
) {
564 cpu_ticks_offset
-= cpu_get_real_ticks();
565 cpu_ticks_enabled
= 1;
569 /* disable cpu_get_ticks() : the clock is stopped. You must not call
570 cpu_get_ticks() after that. */
571 void cpu_disable_ticks(void)
573 if (cpu_ticks_enabled
) {
574 cpu_ticks_offset
= cpu_get_ticks();
575 cpu_ticks_enabled
= 0;
579 static int64_t get_clock(void)
584 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
587 gettimeofday(&tv
, NULL
);
588 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
592 void cpu_calibrate_ticks(void)
597 ticks
= cpu_get_real_ticks();
603 usec
= get_clock() - usec
;
604 ticks
= cpu_get_real_ticks() - ticks
;
605 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
608 /* compute with 96 bit intermediate result: (a*b)/c */
609 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
614 #ifdef WORDS_BIGENDIAN
624 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
625 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
628 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
632 #define QEMU_TIMER_REALTIME 0
633 #define QEMU_TIMER_VIRTUAL 1
637 /* XXX: add frequency */
645 struct QEMUTimer
*next
;
651 static QEMUTimer
*active_timers
[2];
653 static MMRESULT timerID
;
655 /* frequency of the times() clock tick */
656 static int timer_freq
;
659 QEMUClock
*qemu_new_clock(int type
)
662 clock
= qemu_mallocz(sizeof(QEMUClock
));
669 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
673 ts
= qemu_mallocz(sizeof(QEMUTimer
));
680 void qemu_free_timer(QEMUTimer
*ts
)
685 /* stop a timer, but do not dealloc it */
686 void qemu_del_timer(QEMUTimer
*ts
)
690 /* NOTE: this code must be signal safe because
691 qemu_timer_expired() can be called from a signal. */
692 pt
= &active_timers
[ts
->clock
->type
];
705 /* modify the current timer so that it will be fired when current_time
706 >= expire_time. The corresponding callback will be called. */
707 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
713 /* add the timer in the sorted list */
714 /* NOTE: this code must be signal safe because
715 qemu_timer_expired() can be called from a signal. */
716 pt
= &active_timers
[ts
->clock
->type
];
721 if (t
->expire_time
> expire_time
)
725 ts
->expire_time
= expire_time
;
730 int qemu_timer_pending(QEMUTimer
*ts
)
733 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
740 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
744 return (timer_head
->expire_time
<= current_time
);
747 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
753 if (!ts
|| ts
->expire_time
> current_time
)
755 /* remove timer from the list before calling the callback */
756 *ptimer_head
= ts
->next
;
759 /* run the callback (the timer list can be modified) */
764 int64_t qemu_get_clock(QEMUClock
*clock
)
766 switch(clock
->type
) {
767 case QEMU_TIMER_REALTIME
:
769 return GetTickCount();
774 /* Note that using gettimeofday() is not a good solution
775 for timers because its value change when the date is
777 if (timer_freq
== 100) {
778 return times(&tp
) * 10;
780 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
785 case QEMU_TIMER_VIRTUAL
:
786 return cpu_get_ticks();
791 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
793 uint64_t expire_time
;
795 if (qemu_timer_pending(ts
)) {
796 expire_time
= ts
->expire_time
;
800 qemu_put_be64(f
, expire_time
);
803 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
805 uint64_t expire_time
;
807 expire_time
= qemu_get_be64(f
);
808 if (expire_time
!= -1) {
809 qemu_mod_timer(ts
, expire_time
);
815 static void timer_save(QEMUFile
*f
, void *opaque
)
817 if (cpu_ticks_enabled
) {
818 hw_error("cannot save state if virtual timers are running");
820 qemu_put_be64s(f
, &cpu_ticks_offset
);
821 qemu_put_be64s(f
, &ticks_per_sec
);
824 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
828 if (cpu_ticks_enabled
) {
831 qemu_get_be64s(f
, &cpu_ticks_offset
);
832 qemu_get_be64s(f
, &ticks_per_sec
);
837 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
838 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
840 static void host_alarm_handler(int host_signum
)
844 #define DISP_FREQ 1000
846 static int64_t delta_min
= INT64_MAX
;
847 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
849 ti
= qemu_get_clock(vm_clock
);
850 if (last_clock
!= 0) {
851 delta
= ti
- last_clock
;
852 if (delta
< delta_min
)
854 if (delta
> delta_max
)
857 if (++count
== DISP_FREQ
) {
858 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
859 muldiv64(delta_min
, 1000000, ticks_per_sec
),
860 muldiv64(delta_max
, 1000000, ticks_per_sec
),
861 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
862 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
864 delta_min
= INT64_MAX
;
872 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
873 qemu_get_clock(vm_clock
)) ||
874 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
875 qemu_get_clock(rt_clock
))) {
876 /* stop the cpu because a timer occured */
877 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
879 kqemu_cpu_interrupt(global_env
);
886 #if defined(__linux__)
888 #define RTC_FREQ 1024
892 static int start_rtc_timer(void)
894 rtc_fd
= open("/dev/rtc", O_RDONLY
);
897 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
898 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
899 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
900 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
903 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
908 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
914 static int start_rtc_timer(void)
919 #endif /* !defined(__linux__) */
921 #endif /* !defined(_WIN32) */
923 static void init_timers(void)
925 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
926 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
931 timerID
= timeSetEvent(10, // interval (ms)
933 host_alarm_handler
, // function
934 (DWORD
)&count
, // user parameter
935 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
937 perror("failed timer alarm");
941 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
944 struct sigaction act
;
945 struct itimerval itv
;
947 /* get times() syscall frequency */
948 timer_freq
= sysconf(_SC_CLK_TCK
);
951 sigfillset(&act
.sa_mask
);
953 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
954 act
.sa_flags
|= SA_ONSTACK
;
956 act
.sa_handler
= host_alarm_handler
;
957 sigaction(SIGALRM
, &act
, NULL
);
959 itv
.it_interval
.tv_sec
= 0;
960 itv
.it_interval
.tv_usec
= 999; /* for i386 kernel 2.6 to get 1 ms */
961 itv
.it_value
.tv_sec
= 0;
962 itv
.it_value
.tv_usec
= 10 * 1000;
963 setitimer(ITIMER_REAL
, &itv
, NULL
);
964 /* we probe the tick duration of the kernel to inform the user if
965 the emulated kernel requested a too high timer frequency */
966 getitimer(ITIMER_REAL
, &itv
);
968 #if defined(__linux__)
969 if (itv
.it_interval
.tv_usec
> 1000) {
970 /* try to use /dev/rtc to have a faster timer */
971 if (start_rtc_timer() < 0)
974 itv
.it_interval
.tv_sec
= 0;
975 itv
.it_interval
.tv_usec
= 0;
976 itv
.it_value
.tv_sec
= 0;
977 itv
.it_value
.tv_usec
= 0;
978 setitimer(ITIMER_REAL
, &itv
, NULL
);
981 sigaction(SIGIO
, &act
, NULL
);
982 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
983 fcntl(rtc_fd
, F_SETOWN
, getpid());
985 #endif /* defined(__linux__) */
988 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
995 void quit_timers(void)
998 timeKillEvent(timerID
);
1002 /***********************************************************/
1003 /* character device */
1005 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
1007 return s
->chr_write(s
, buf
, len
);
1010 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
1015 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
1016 qemu_chr_write(s
, buf
, strlen(buf
));
1020 void qemu_chr_send_event(CharDriverState
*s
, int event
)
1022 if (s
->chr_send_event
)
1023 s
->chr_send_event(s
, event
);
1026 void qemu_chr_add_read_handler(CharDriverState
*s
,
1027 IOCanRWHandler
*fd_can_read
,
1028 IOReadHandler
*fd_read
, void *opaque
)
1030 s
->chr_add_read_handler(s
, fd_can_read
, fd_read
, opaque
);
1033 void qemu_chr_add_event_handler(CharDriverState
*s
, IOEventHandler
*chr_event
)
1035 s
->chr_event
= chr_event
;
1038 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1043 static void null_chr_add_read_handler(CharDriverState
*chr
,
1044 IOCanRWHandler
*fd_can_read
,
1045 IOReadHandler
*fd_read
, void *opaque
)
1049 CharDriverState
*qemu_chr_open_null(void)
1051 CharDriverState
*chr
;
1053 chr
= qemu_mallocz(sizeof(CharDriverState
));
1056 chr
->chr_write
= null_chr_write
;
1057 chr
->chr_add_read_handler
= null_chr_add_read_handler
;
1065 /* for nographic stdio only */
1066 IOCanRWHandler
*fd_can_read
;
1067 IOReadHandler
*fd_read
;
1071 #define STDIO_MAX_CLIENTS 2
1073 static int stdio_nb_clients
;
1074 static CharDriverState
*stdio_clients
[STDIO_MAX_CLIENTS
];
1076 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1082 ret
= write(fd
, buf
, len
);
1084 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1086 } else if (ret
== 0) {
1096 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1098 FDCharDriver
*s
= chr
->opaque
;
1099 return unix_write(s
->fd_out
, buf
, len
);
1102 static void fd_chr_add_read_handler(CharDriverState
*chr
,
1103 IOCanRWHandler
*fd_can_read
,
1104 IOReadHandler
*fd_read
, void *opaque
)
1106 FDCharDriver
*s
= chr
->opaque
;
1108 if (nographic
&& s
->fd_in
== 0) {
1109 s
->fd_can_read
= fd_can_read
;
1110 s
->fd_read
= fd_read
;
1111 s
->fd_opaque
= opaque
;
1113 qemu_add_fd_read_handler(s
->fd_in
, fd_can_read
, fd_read
, opaque
);
1117 /* open a character device to a unix fd */
1118 CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
1120 CharDriverState
*chr
;
1123 chr
= qemu_mallocz(sizeof(CharDriverState
));
1126 s
= qemu_mallocz(sizeof(FDCharDriver
));
1134 chr
->chr_write
= fd_chr_write
;
1135 chr
->chr_add_read_handler
= fd_chr_add_read_handler
;
1139 /* for STDIO, we handle the case where several clients use it
1142 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1144 #define TERM_FIFO_MAX_SIZE 1
1146 static int term_got_escape
, client_index
;
1147 static uint8_t term_fifo
[TERM_FIFO_MAX_SIZE
];
1150 void term_print_help(void)
1153 "C-a h print this help\n"
1154 "C-a x exit emulator\n"
1155 "C-a s save disk data back to file (if -snapshot)\n"
1156 "C-a b send break (magic sysrq)\n"
1157 "C-a c switch between console and monitor\n"
1158 "C-a C-a send C-a\n"
1162 /* called when a char is received */
1163 static void stdio_received_byte(int ch
)
1165 if (term_got_escape
) {
1166 term_got_escape
= 0;
1177 for (i
= 0; i
< MAX_DISKS
; i
++) {
1179 bdrv_commit(bs_table
[i
]);
1184 if (client_index
< stdio_nb_clients
) {
1185 CharDriverState
*chr
;
1188 chr
= stdio_clients
[client_index
];
1190 chr
->chr_event(s
->fd_opaque
, CHR_EVENT_BREAK
);
1195 if (client_index
>= stdio_nb_clients
)
1197 if (client_index
== 0) {
1198 /* send a new line in the monitor to get the prompt */
1206 } else if (ch
== TERM_ESCAPE
) {
1207 term_got_escape
= 1;
1210 if (client_index
< stdio_nb_clients
) {
1212 CharDriverState
*chr
;
1215 chr
= stdio_clients
[client_index
];
1217 if (s
->fd_can_read(s
->fd_opaque
) > 0) {
1219 s
->fd_read(s
->fd_opaque
, buf
, 1);
1220 } else if (term_fifo_size
== 0) {
1221 term_fifo
[term_fifo_size
++] = ch
;
1227 static int stdio_can_read(void *opaque
)
1229 CharDriverState
*chr
;
1232 if (client_index
< stdio_nb_clients
) {
1233 chr
= stdio_clients
[client_index
];
1235 /* try to flush the queue if needed */
1236 if (term_fifo_size
!= 0 && s
->fd_can_read(s
->fd_opaque
) > 0) {
1237 s
->fd_read(s
->fd_opaque
, term_fifo
, 1);
1240 /* see if we can absorb more chars */
1241 if (term_fifo_size
== 0)
1250 static void stdio_read(void *opaque
, const uint8_t *buf
, int size
)
1253 for(i
= 0; i
< size
; i
++)
1254 stdio_received_byte(buf
[i
]);
1257 /* init terminal so that we can grab keys */
1258 static struct termios oldtty
;
1259 static int old_fd0_flags
;
1261 static void term_exit(void)
1263 tcsetattr (0, TCSANOW
, &oldtty
);
1264 fcntl(0, F_SETFL
, old_fd0_flags
);
1267 static void term_init(void)
1271 tcgetattr (0, &tty
);
1273 old_fd0_flags
= fcntl(0, F_GETFL
);
1275 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1276 |INLCR
|IGNCR
|ICRNL
|IXON
);
1277 tty
.c_oflag
|= OPOST
;
1278 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1279 /* if graphical mode, we allow Ctrl-C handling */
1281 tty
.c_lflag
&= ~ISIG
;
1282 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1285 tty
.c_cc
[VTIME
] = 0;
1287 tcsetattr (0, TCSANOW
, &tty
);
1291 fcntl(0, F_SETFL
, O_NONBLOCK
);
1294 CharDriverState
*qemu_chr_open_stdio(void)
1296 CharDriverState
*chr
;
1299 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
1301 chr
= qemu_chr_open_fd(0, 1);
1302 if (stdio_nb_clients
== 0)
1303 qemu_add_fd_read_handler(0, stdio_can_read
, stdio_read
, NULL
);
1304 client_index
= stdio_nb_clients
;
1306 if (stdio_nb_clients
!= 0)
1308 chr
= qemu_chr_open_fd(0, 1);
1310 stdio_clients
[stdio_nb_clients
++] = chr
;
1311 if (stdio_nb_clients
== 1) {
1312 /* set the terminal in raw mode */
1318 #if defined(__linux__)
1319 CharDriverState
*qemu_chr_open_pty(void)
1321 char slave_name
[1024];
1322 int master_fd
, slave_fd
;
1324 /* Not satisfying */
1325 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
1328 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
1329 return qemu_chr_open_fd(master_fd
, master_fd
);
1332 CharDriverState
*qemu_chr_open_pty(void)
1338 #endif /* !defined(_WIN32) */
1340 CharDriverState
*qemu_chr_open(const char *filename
)
1342 if (!strcmp(filename
, "vc")) {
1343 return text_console_init(&display_state
);
1344 } else if (!strcmp(filename
, "null")) {
1345 return qemu_chr_open_null();
1348 if (!strcmp(filename
, "pty")) {
1349 return qemu_chr_open_pty();
1350 } else if (!strcmp(filename
, "stdio")) {
1351 return qemu_chr_open_stdio();
1359 /***********************************************************/
1360 /* Linux network device redirectors */
1362 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
1366 for(i
=0;i
<size
;i
+=16) {
1370 fprintf(f
, "%08x ", i
);
1373 fprintf(f
, " %02x", buf
[i
+j
]);
1378 for(j
=0;j
<len
;j
++) {
1380 if (c
< ' ' || c
> '~')
1382 fprintf(f
, "%c", c
);
1388 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1390 nd
->send_packet(nd
, buf
, size
);
1393 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
1394 IOReadHandler
*fd_read
, void *opaque
)
1396 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
1399 /* dummy network adapter */
1401 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1405 static void dummy_add_read_packet(NetDriverState
*nd
,
1406 IOCanRWHandler
*fd_can_read
,
1407 IOReadHandler
*fd_read
, void *opaque
)
1411 static int net_dummy_init(NetDriverState
*nd
)
1413 nd
->send_packet
= dummy_send_packet
;
1414 nd
->add_read_packet
= dummy_add_read_packet
;
1415 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1419 #if defined(CONFIG_SLIRP)
1421 /* slirp network adapter */
1423 static void *slirp_fd_opaque
;
1424 static IOCanRWHandler
*slirp_fd_can_read
;
1425 static IOReadHandler
*slirp_fd_read
;
1426 static int slirp_inited
;
1428 int slirp_can_output(void)
1430 return slirp_fd_can_read(slirp_fd_opaque
);
1433 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1436 printf("output:\n");
1437 hex_dump(stdout
, pkt
, pkt_len
);
1439 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1442 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1446 hex_dump(stdout
, buf
, size
);
1448 slirp_input(buf
, size
);
1451 static void slirp_add_read_packet(NetDriverState
*nd
,
1452 IOCanRWHandler
*fd_can_read
,
1453 IOReadHandler
*fd_read
, void *opaque
)
1455 slirp_fd_opaque
= opaque
;
1456 slirp_fd_can_read
= fd_can_read
;
1457 slirp_fd_read
= fd_read
;
1460 static int net_slirp_init(NetDriverState
*nd
)
1462 if (!slirp_inited
) {
1466 nd
->send_packet
= slirp_send_packet
;
1467 nd
->add_read_packet
= slirp_add_read_packet
;
1468 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1472 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
1477 p1
= strchr(p
, sep
);
1483 if (len
> buf_size
- 1)
1485 memcpy(buf
, p
, len
);
1492 static void net_slirp_redir(const char *redir_str
)
1497 struct in_addr guest_addr
;
1498 int host_port
, guest_port
;
1500 if (!slirp_inited
) {
1506 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1508 if (!strcmp(buf
, "tcp")) {
1510 } else if (!strcmp(buf
, "udp")) {
1516 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1518 host_port
= strtol(buf
, &r
, 0);
1522 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
1524 if (buf
[0] == '\0') {
1525 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
1527 if (!inet_aton(buf
, &guest_addr
))
1530 guest_port
= strtol(p
, &r
, 0);
1534 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
1535 fprintf(stderr
, "qemu: could not set up redirection\n");
1540 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1548 static void smb_exit(void)
1552 char filename
[1024];
1554 /* erase all the files in the directory */
1555 d
= opendir(smb_dir
);
1560 if (strcmp(de
->d_name
, ".") != 0 &&
1561 strcmp(de
->d_name
, "..") != 0) {
1562 snprintf(filename
, sizeof(filename
), "%s/%s",
1563 smb_dir
, de
->d_name
);
1571 /* automatic user mode samba server configuration */
1572 void net_slirp_smb(const char *exported_dir
)
1574 char smb_conf
[1024];
1575 char smb_cmdline
[1024];
1578 if (!slirp_inited
) {
1583 /* XXX: better tmp dir construction */
1584 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
1585 if (mkdir(smb_dir
, 0700) < 0) {
1586 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1589 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1591 f
= fopen(smb_conf
, "w");
1593 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1600 "socket address=127.0.0.1\n"
1601 "pid directory=%s\n"
1602 "lock directory=%s\n"
1603 "log file=%s/log.smbd\n"
1604 "smb passwd file=%s/smbpasswd\n"
1605 "security = share\n"
1620 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "/usr/sbin/smbd -s %s",
1623 slirp_add_exec(0, smb_cmdline
, 4, 139);
1626 #endif /* !defined(_WIN32) */
1628 #endif /* CONFIG_SLIRP */
1630 #if !defined(_WIN32)
1632 static int tun_open(char *ifname
, int ifname_size
)
1638 fd
= open("/dev/tap", O_RDWR
);
1640 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1645 dev
= devname(s
.st_rdev
, S_IFCHR
);
1646 pstrcpy(ifname
, ifname_size
, dev
);
1648 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1652 static int tun_open(char *ifname
, int ifname_size
)
1657 fd
= open("/dev/net/tun", O_RDWR
);
1659 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1662 memset(&ifr
, 0, sizeof(ifr
));
1663 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1664 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1665 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1667 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1671 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1672 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1673 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1678 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1680 write(nd
->fd
, buf
, size
);
1683 static void tun_add_read_packet(NetDriverState
*nd
,
1684 IOCanRWHandler
*fd_can_read
,
1685 IOReadHandler
*fd_read
, void *opaque
)
1687 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1690 static int net_tun_init(NetDriverState
*nd
)
1696 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1700 /* try to launch network init script */
1705 *parg
++ = network_script
;
1706 *parg
++ = nd
->ifname
;
1708 execv(network_script
, args
);
1711 while (waitpid(pid
, &status
, 0) != pid
);
1712 if (!WIFEXITED(status
) ||
1713 WEXITSTATUS(status
) != 0) {
1714 fprintf(stderr
, "%s: could not launch network script\n",
1718 nd
->send_packet
= tun_send_packet
;
1719 nd
->add_read_packet
= tun_add_read_packet
;
1723 static int net_fd_init(NetDriverState
*nd
, int fd
)
1726 nd
->send_packet
= tun_send_packet
;
1727 nd
->add_read_packet
= tun_add_read_packet
;
1728 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1732 #endif /* !_WIN32 */
1734 /***********************************************************/
1737 static char *pid_filename
;
1739 /* Remove PID file. Called on normal exit */
1741 static void remove_pidfile(void)
1743 unlink (pid_filename
);
1746 static void create_pidfile(const char *filename
)
1748 struct stat pidstat
;
1751 /* Try to write our PID to the named file */
1752 if (stat(filename
, &pidstat
) < 0) {
1753 if (errno
== ENOENT
) {
1754 if ((f
= fopen (filename
, "w")) == NULL
) {
1755 perror("Opening pidfile");
1758 fprintf(f
, "%d\n", getpid());
1760 pid_filename
= qemu_strdup(filename
);
1761 if (!pid_filename
) {
1762 fprintf(stderr
, "Could not save PID filename");
1765 atexit(remove_pidfile
);
1768 fprintf(stderr
, "%s already exists. Remove it and try again.\n",
1774 /***********************************************************/
1777 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1781 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1785 static void dumb_refresh(DisplayState
*ds
)
1787 vga_update_display();
1790 void dumb_display_init(DisplayState
*ds
)
1795 ds
->dpy_update
= dumb_update
;
1796 ds
->dpy_resize
= dumb_resize
;
1797 ds
->dpy_refresh
= dumb_refresh
;
1800 #if !defined(CONFIG_SOFTMMU)
1801 /***********************************************************/
1802 /* cpu signal handler */
1803 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1806 if (cpu_signal_handler(host_signum
, info
, puc
))
1808 if (stdio_nb_clients
> 0)
1814 /***********************************************************/
1817 #define MAX_IO_HANDLERS 64
1819 typedef struct IOHandlerRecord
{
1821 IOCanRWHandler
*fd_can_read
;
1822 IOReadHandler
*fd_read
;
1824 /* temporary data */
1827 struct IOHandlerRecord
*next
;
1830 static IOHandlerRecord
*first_io_handler
;
1832 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1833 IOReadHandler
*fd_read
, void *opaque
)
1835 IOHandlerRecord
*ioh
;
1837 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1841 ioh
->fd_can_read
= fd_can_read
;
1842 ioh
->fd_read
= fd_read
;
1843 ioh
->opaque
= opaque
;
1844 ioh
->next
= first_io_handler
;
1845 first_io_handler
= ioh
;
1849 void qemu_del_fd_read_handler(int fd
)
1851 IOHandlerRecord
**pioh
, *ioh
;
1853 pioh
= &first_io_handler
;
1858 if (ioh
->fd
== fd
) {
1866 /***********************************************************/
1867 /* savevm/loadvm support */
1869 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1871 fwrite(buf
, 1, size
, f
);
1874 void qemu_put_byte(QEMUFile
*f
, int v
)
1879 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1881 qemu_put_byte(f
, v
>> 8);
1882 qemu_put_byte(f
, v
);
1885 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1887 qemu_put_byte(f
, v
>> 24);
1888 qemu_put_byte(f
, v
>> 16);
1889 qemu_put_byte(f
, v
>> 8);
1890 qemu_put_byte(f
, v
);
1893 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1895 qemu_put_be32(f
, v
>> 32);
1896 qemu_put_be32(f
, v
);
1899 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1901 return fread(buf
, 1, size
, f
);
1904 int qemu_get_byte(QEMUFile
*f
)
1914 unsigned int qemu_get_be16(QEMUFile
*f
)
1917 v
= qemu_get_byte(f
) << 8;
1918 v
|= qemu_get_byte(f
);
1922 unsigned int qemu_get_be32(QEMUFile
*f
)
1925 v
= qemu_get_byte(f
) << 24;
1926 v
|= qemu_get_byte(f
) << 16;
1927 v
|= qemu_get_byte(f
) << 8;
1928 v
|= qemu_get_byte(f
);
1932 uint64_t qemu_get_be64(QEMUFile
*f
)
1935 v
= (uint64_t)qemu_get_be32(f
) << 32;
1936 v
|= qemu_get_be32(f
);
1940 int64_t qemu_ftell(QEMUFile
*f
)
1945 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1947 if (fseek(f
, pos
, whence
) < 0)
1952 typedef struct SaveStateEntry
{
1956 SaveStateHandler
*save_state
;
1957 LoadStateHandler
*load_state
;
1959 struct SaveStateEntry
*next
;
1962 static SaveStateEntry
*first_se
;
1964 int register_savevm(const char *idstr
,
1967 SaveStateHandler
*save_state
,
1968 LoadStateHandler
*load_state
,
1971 SaveStateEntry
*se
, **pse
;
1973 se
= qemu_malloc(sizeof(SaveStateEntry
));
1976 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1977 se
->instance_id
= instance_id
;
1978 se
->version_id
= version_id
;
1979 se
->save_state
= save_state
;
1980 se
->load_state
= load_state
;
1981 se
->opaque
= opaque
;
1984 /* add at the end of list */
1986 while (*pse
!= NULL
)
1987 pse
= &(*pse
)->next
;
1992 #define QEMU_VM_FILE_MAGIC 0x5145564d
1993 #define QEMU_VM_FILE_VERSION 0x00000001
1995 int qemu_savevm(const char *filename
)
1999 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
2001 saved_vm_running
= vm_running
;
2004 f
= fopen(filename
, "wb");
2010 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
2011 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
2013 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
2015 len
= strlen(se
->idstr
);
2016 qemu_put_byte(f
, len
);
2017 qemu_put_buffer(f
, se
->idstr
, len
);
2019 qemu_put_be32(f
, se
->instance_id
);
2020 qemu_put_be32(f
, se
->version_id
);
2022 /* record size: filled later */
2024 qemu_put_be32(f
, 0);
2026 se
->save_state(f
, se
->opaque
);
2028 /* fill record size */
2030 len
= ftell(f
) - len_pos
- 4;
2031 fseek(f
, len_pos
, SEEK_SET
);
2032 qemu_put_be32(f
, len
);
2033 fseek(f
, cur_pos
, SEEK_SET
);
2039 if (saved_vm_running
)
2044 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
2048 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
2049 if (!strcmp(se
->idstr
, idstr
) &&
2050 instance_id
== se
->instance_id
)
2056 int qemu_loadvm(const char *filename
)
2060 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
2061 int saved_vm_running
;
2065 saved_vm_running
= vm_running
;
2068 f
= fopen(filename
, "rb");
2074 v
= qemu_get_be32(f
);
2075 if (v
!= QEMU_VM_FILE_MAGIC
)
2077 v
= qemu_get_be32(f
);
2078 if (v
!= QEMU_VM_FILE_VERSION
) {
2085 #if defined (DO_TB_FLUSH)
2086 tb_flush(global_env
);
2088 len
= qemu_get_byte(f
);
2091 qemu_get_buffer(f
, idstr
, len
);
2093 instance_id
= qemu_get_be32(f
);
2094 version_id
= qemu_get_be32(f
);
2095 record_len
= qemu_get_be32(f
);
2097 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2098 idstr
, instance_id
, version_id
, record_len
);
2101 se
= find_se(idstr
, instance_id
);
2103 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2104 instance_id
, idstr
);
2106 ret
= se
->load_state(f
, se
->opaque
, version_id
);
2108 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2109 instance_id
, idstr
);
2112 /* always seek to exact end of record */
2113 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
2118 if (saved_vm_running
)
2123 /***********************************************************/
2124 /* cpu save/restore */
2126 #if defined(TARGET_I386)
2128 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
2130 qemu_put_be32(f
, dt
->selector
);
2131 qemu_put_betl(f
, dt
->base
);
2132 qemu_put_be32(f
, dt
->limit
);
2133 qemu_put_be32(f
, dt
->flags
);
2136 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
2138 dt
->selector
= qemu_get_be32(f
);
2139 dt
->base
= qemu_get_betl(f
);
2140 dt
->limit
= qemu_get_be32(f
);
2141 dt
->flags
= qemu_get_be32(f
);
2144 void cpu_save(QEMUFile
*f
, void *opaque
)
2146 CPUState
*env
= opaque
;
2147 uint16_t fptag
, fpus
, fpuc
, fpregs_format
;
2151 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2152 qemu_put_betls(f
, &env
->regs
[i
]);
2153 qemu_put_betls(f
, &env
->eip
);
2154 qemu_put_betls(f
, &env
->eflags
);
2155 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
2156 qemu_put_be32s(f
, &hflags
);
2160 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2162 for(i
= 0; i
< 8; i
++) {
2163 fptag
|= ((!env
->fptags
[i
]) << i
);
2166 qemu_put_be16s(f
, &fpuc
);
2167 qemu_put_be16s(f
, &fpus
);
2168 qemu_put_be16s(f
, &fptag
);
2170 #ifdef USE_X86LDOUBLE
2175 qemu_put_be16s(f
, &fpregs_format
);
2177 for(i
= 0; i
< 8; i
++) {
2178 #ifdef USE_X86LDOUBLE
2182 /* we save the real CPU data (in case of MMX usage only 'mant'
2183 contains the MMX register */
2184 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
].d
);
2185 qemu_put_be64(f
, mant
);
2186 qemu_put_be16(f
, exp
);
2189 /* if we use doubles for float emulation, we save the doubles to
2190 avoid losing information in case of MMX usage. It can give
2191 problems if the image is restored on a CPU where long
2192 doubles are used instead. */
2193 qemu_put_be64(f
, env
->fpregs
[i
].mmx
.MMX_Q(0));
2197 for(i
= 0; i
< 6; i
++)
2198 cpu_put_seg(f
, &env
->segs
[i
]);
2199 cpu_put_seg(f
, &env
->ldt
);
2200 cpu_put_seg(f
, &env
->tr
);
2201 cpu_put_seg(f
, &env
->gdt
);
2202 cpu_put_seg(f
, &env
->idt
);
2204 qemu_put_be32s(f
, &env
->sysenter_cs
);
2205 qemu_put_be32s(f
, &env
->sysenter_esp
);
2206 qemu_put_be32s(f
, &env
->sysenter_eip
);
2208 qemu_put_betls(f
, &env
->cr
[0]);
2209 qemu_put_betls(f
, &env
->cr
[2]);
2210 qemu_put_betls(f
, &env
->cr
[3]);
2211 qemu_put_betls(f
, &env
->cr
[4]);
2213 for(i
= 0; i
< 8; i
++)
2214 qemu_put_betls(f
, &env
->dr
[i
]);
2217 qemu_put_be32s(f
, &env
->a20_mask
);
2220 qemu_put_be32s(f
, &env
->mxcsr
);
2221 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2222 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2223 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2226 #ifdef TARGET_X86_64
2227 qemu_put_be64s(f
, &env
->efer
);
2228 qemu_put_be64s(f
, &env
->star
);
2229 qemu_put_be64s(f
, &env
->lstar
);
2230 qemu_put_be64s(f
, &env
->cstar
);
2231 qemu_put_be64s(f
, &env
->fmask
);
2232 qemu_put_be64s(f
, &env
->kernelgsbase
);
2236 #ifdef USE_X86LDOUBLE
2237 /* XXX: add that in a FPU generic layer */
2238 union x86_longdouble
{
2243 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
2244 #define EXPBIAS1 1023
2245 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
2246 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
2248 static void fp64_to_fp80(union x86_longdouble
*p
, uint64_t temp
)
2252 p
->mant
= (MANTD1(temp
) << 11) | (1LL << 63);
2253 /* exponent + sign */
2254 e
= EXPD1(temp
) - EXPBIAS1
+ 16383;
2255 e
|= SIGND1(temp
) >> 16;
2260 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2262 CPUState
*env
= opaque
;
2265 uint16_t fpus
, fpuc
, fptag
, fpregs_format
;
2267 if (version_id
!= 3)
2269 for(i
= 0; i
< CPU_NB_REGS
; i
++)
2270 qemu_get_betls(f
, &env
->regs
[i
]);
2271 qemu_get_betls(f
, &env
->eip
);
2272 qemu_get_betls(f
, &env
->eflags
);
2273 qemu_get_be32s(f
, &hflags
);
2275 qemu_get_be16s(f
, &fpuc
);
2276 qemu_get_be16s(f
, &fpus
);
2277 qemu_get_be16s(f
, &fptag
);
2278 qemu_get_be16s(f
, &fpregs_format
);
2280 /* NOTE: we cannot always restore the FPU state if the image come
2281 from a host with a different 'USE_X86LDOUBLE' define. We guess
2282 if we are in an MMX state to restore correctly in that case. */
2283 guess_mmx
= ((fptag
== 0xff) && (fpus
& 0x3800) == 0);
2284 for(i
= 0; i
< 8; i
++) {
2288 switch(fpregs_format
) {
2290 mant
= qemu_get_be64(f
);
2291 exp
= qemu_get_be16(f
);
2292 #ifdef USE_X86LDOUBLE
2293 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2295 /* difficult case */
2297 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
2299 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
2303 mant
= qemu_get_be64(f
);
2304 #ifdef USE_X86LDOUBLE
2306 union x86_longdouble
*p
;
2307 /* difficult case */
2308 p
= (void *)&env
->fpregs
[i
];
2313 fp64_to_fp80(p
, mant
);
2317 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
2326 /* XXX: restore FPU round state */
2327 env
->fpstt
= (fpus
>> 11) & 7;
2328 env
->fpus
= fpus
& ~0x3800;
2330 for(i
= 0; i
< 8; i
++) {
2331 env
->fptags
[i
] = (fptag
>> i
) & 1;
2334 for(i
= 0; i
< 6; i
++)
2335 cpu_get_seg(f
, &env
->segs
[i
]);
2336 cpu_get_seg(f
, &env
->ldt
);
2337 cpu_get_seg(f
, &env
->tr
);
2338 cpu_get_seg(f
, &env
->gdt
);
2339 cpu_get_seg(f
, &env
->idt
);
2341 qemu_get_be32s(f
, &env
->sysenter_cs
);
2342 qemu_get_be32s(f
, &env
->sysenter_esp
);
2343 qemu_get_be32s(f
, &env
->sysenter_eip
);
2345 qemu_get_betls(f
, &env
->cr
[0]);
2346 qemu_get_betls(f
, &env
->cr
[2]);
2347 qemu_get_betls(f
, &env
->cr
[3]);
2348 qemu_get_betls(f
, &env
->cr
[4]);
2350 for(i
= 0; i
< 8; i
++)
2351 qemu_get_betls(f
, &env
->dr
[i
]);
2354 qemu_get_be32s(f
, &env
->a20_mask
);
2356 qemu_get_be32s(f
, &env
->mxcsr
);
2357 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
2358 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
2359 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
2362 #ifdef TARGET_X86_64
2363 qemu_get_be64s(f
, &env
->efer
);
2364 qemu_get_be64s(f
, &env
->star
);
2365 qemu_get_be64s(f
, &env
->lstar
);
2366 qemu_get_be64s(f
, &env
->cstar
);
2367 qemu_get_be64s(f
, &env
->fmask
);
2368 qemu_get_be64s(f
, &env
->kernelgsbase
);
2371 /* XXX: compute hflags from scratch, except for CPL and IIF */
2372 env
->hflags
= hflags
;
2377 #elif defined(TARGET_PPC)
2378 void cpu_save(QEMUFile
*f
, void *opaque
)
2382 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2387 #elif defined(TARGET_MIPS)
2388 void cpu_save(QEMUFile
*f
, void *opaque
)
2392 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2397 #elif defined(TARGET_SPARC)
2398 void cpu_save(QEMUFile
*f
, void *opaque
)
2400 CPUState
*env
= opaque
;
2404 for(i
= 0; i
< 8; i
++)
2405 qemu_put_betls(f
, &env
->gregs
[i
]);
2406 for(i
= 0; i
< NWINDOWS
* 16; i
++)
2407 qemu_put_betls(f
, &env
->regbase
[i
]);
2410 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
2416 qemu_put_betl(f
, u
.i
);
2419 qemu_put_betls(f
, &env
->pc
);
2420 qemu_put_betls(f
, &env
->npc
);
2421 qemu_put_betls(f
, &env
->y
);
2423 qemu_put_be32(f
, tmp
);
2424 qemu_put_betls(f
, &env
->fsr
);
2425 qemu_put_betls(f
, &env
->tbr
);
2426 #ifndef TARGET_SPARC64
2427 qemu_put_be32s(f
, &env
->wim
);
2429 for(i
= 0; i
< 16; i
++)
2430 qemu_put_be32s(f
, &env
->mmuregs
[i
]);
2434 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
2436 CPUState
*env
= opaque
;
2440 for(i
= 0; i
< 8; i
++)
2441 qemu_get_betls(f
, &env
->gregs
[i
]);
2442 for(i
= 0; i
< NWINDOWS
* 16; i
++)
2443 qemu_get_betls(f
, &env
->regbase
[i
]);
2446 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
2451 u
.i
= qemu_get_betl(f
);
2455 qemu_get_betls(f
, &env
->pc
);
2456 qemu_get_betls(f
, &env
->npc
);
2457 qemu_get_betls(f
, &env
->y
);
2458 tmp
= qemu_get_be32(f
);
2459 env
->cwp
= 0; /* needed to ensure that the wrapping registers are
2460 correctly updated */
2462 qemu_get_betls(f
, &env
->fsr
);
2463 qemu_get_betls(f
, &env
->tbr
);
2464 #ifndef TARGET_SPARC64
2465 qemu_get_be32s(f
, &env
->wim
);
2467 for(i
= 0; i
< 16; i
++)
2468 qemu_get_be32s(f
, &env
->mmuregs
[i
]);
2475 #warning No CPU save/restore functions
2479 /***********************************************************/
2480 /* ram save/restore */
2482 /* we just avoid storing empty pages */
2483 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
2488 for(i
= 1; i
< len
; i
++) {
2492 qemu_put_byte(f
, 1);
2493 qemu_put_byte(f
, v
);
2496 qemu_put_byte(f
, 0);
2497 qemu_put_buffer(f
, buf
, len
);
2500 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2504 v
= qemu_get_byte(f
);
2507 if (qemu_get_buffer(f
, buf
, len
) != len
)
2511 v
= qemu_get_byte(f
);
2512 memset(buf
, v
, len
);
2520 static void ram_save(QEMUFile
*f
, void *opaque
)
2523 qemu_put_be32(f
, phys_ram_size
);
2524 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2525 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2529 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
2533 if (version_id
!= 1)
2535 if (qemu_get_be32(f
) != phys_ram_size
)
2537 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2538 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2545 /***********************************************************/
2546 /* machine registration */
2548 QEMUMachine
*first_machine
= NULL
;
2550 int qemu_register_machine(QEMUMachine
*m
)
2553 pm
= &first_machine
;
2561 QEMUMachine
*find_machine(const char *name
)
2565 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2566 if (!strcmp(m
->name
, name
))
2572 /***********************************************************/
2573 /* main execution loop */
2575 void gui_update(void *opaque
)
2577 display_state
.dpy_refresh(&display_state
);
2578 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
2581 /* XXX: support several handlers */
2582 VMStopHandler
*vm_stop_cb
;
2583 VMStopHandler
*vm_stop_opaque
;
2585 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2588 vm_stop_opaque
= opaque
;
2592 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
2605 void vm_stop(int reason
)
2608 cpu_disable_ticks();
2612 vm_stop_cb(vm_stop_opaque
, reason
);
2618 /* reset/shutdown handler */
2620 typedef struct QEMUResetEntry
{
2621 QEMUResetHandler
*func
;
2623 struct QEMUResetEntry
*next
;
2626 static QEMUResetEntry
*first_reset_entry
;
2627 static int reset_requested
;
2628 static int shutdown_requested
;
2629 static int powerdown_requested
;
2631 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
2633 QEMUResetEntry
**pre
, *re
;
2635 pre
= &first_reset_entry
;
2636 while (*pre
!= NULL
)
2637 pre
= &(*pre
)->next
;
2638 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
2640 re
->opaque
= opaque
;
2645 void qemu_system_reset(void)
2649 /* reset all devices */
2650 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
2651 re
->func(re
->opaque
);
2655 void qemu_system_reset_request(void)
2657 reset_requested
= 1;
2658 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2661 void qemu_system_shutdown_request(void)
2663 shutdown_requested
= 1;
2664 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2667 void qemu_system_powerdown_request(void)
2669 powerdown_requested
= 1;
2670 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
2673 static void main_cpu_reset(void *opaque
)
2675 #if defined(TARGET_I386) || defined(TARGET_SPARC)
2676 CPUState
*env
= opaque
;
2681 void main_loop_wait(int timeout
)
2684 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
2685 IOHandlerRecord
*ioh
, *ioh_next
;
2695 /* poll any events */
2696 /* XXX: separate device handlers from system ones */
2698 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2699 if (!ioh
->fd_can_read
) {
2702 pf
->events
= POLLIN
;
2706 max_size
= ioh
->fd_can_read(ioh
->opaque
);
2708 if (max_size
> sizeof(buf
))
2709 max_size
= sizeof(buf
);
2711 pf
->events
= POLLIN
;
2718 ioh
->max_size
= max_size
;
2721 ret
= poll(ufds
, pf
- ufds
, timeout
);
2723 /* XXX: better handling of removal */
2724 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
2725 ioh_next
= ioh
->next
;
2728 if (pf
->revents
& POLLIN
) {
2729 if (ioh
->max_size
== 0) {
2730 /* just a read event */
2731 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
2733 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
2735 ioh
->fd_read(ioh
->opaque
, buf
, n
);
2736 } else if (errno
!= EAGAIN
) {
2737 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
2744 #endif /* !defined(_WIN32) */
2745 #if defined(CONFIG_SLIRP)
2746 /* XXX: merge with poll() */
2748 fd_set rfds
, wfds
, xfds
;
2756 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
2759 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2761 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2767 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2768 qemu_get_clock(vm_clock
));
2769 /* run dma transfers, if any */
2773 /* real time timers */
2774 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2775 qemu_get_clock(rt_clock
));
2781 CPUState
*env
= global_env
;
2785 ret
= cpu_exec(env
);
2786 if (shutdown_requested
) {
2787 ret
= EXCP_INTERRUPT
;
2790 if (reset_requested
) {
2791 reset_requested
= 0;
2792 qemu_system_reset();
2793 ret
= EXCP_INTERRUPT
;
2795 if (powerdown_requested
) {
2796 powerdown_requested
= 0;
2797 qemu_system_powerdown();
2798 ret
= EXCP_INTERRUPT
;
2800 if (ret
== EXCP_DEBUG
) {
2801 vm_stop(EXCP_DEBUG
);
2803 /* if hlt instruction, we wait until the next IRQ */
2804 /* XXX: use timeout computed from timers */
2805 if (ret
== EXCP_HLT
)
2812 main_loop_wait(timeout
);
2814 cpu_disable_ticks();
2820 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2005 Fabrice Bellard\n"
2821 "usage: %s [options] [disk_image]\n"
2823 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2825 "Standard options:\n"
2826 "-M machine select emulated machine (-M ? for list)\n"
2827 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2828 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2829 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2830 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2831 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2832 "-snapshot write to temporary files instead of disk image files\n"
2833 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2834 "-nographic disable graphical output and redirect serial I/Os to console\n"
2836 "-k language use keyboard layout (for example \"fr\" for French)\n"
2838 "-enable-audio enable audio support\n"
2839 "-localtime set the real time clock to local time [default=utc]\n"
2840 "-full-screen start in full screen\n"
2842 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
2844 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
2845 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
2848 "Network options:\n"
2849 "-nics n simulate 'n' network cards [default=1]\n"
2850 "-macaddr addr set the mac address of the first interface\n"
2851 "-n script set tap/tun network init script [default=%s]\n"
2852 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2854 "-user-net use user mode network stack [default if no tap/tun script]\n"
2855 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2857 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2859 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2860 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2862 "-dummy-net use dummy network stack\n"
2864 "Linux boot specific:\n"
2865 "-kernel bzImage use 'bzImage' as kernel image\n"
2866 "-append cmdline use 'cmdline' as kernel command line\n"
2867 "-initrd file use 'file' as initial ram disk\n"
2869 "Debug/Expert options:\n"
2870 "-monitor dev redirect the monitor to char device 'dev'\n"
2871 "-serial dev redirect the serial port to char device 'dev'\n"
2872 "-parallel dev redirect the parallel port to char device 'dev'\n"
2873 "-pidfile file Write PID to 'file'\n"
2874 "-S freeze CPU at startup (use 'c' to start execution)\n"
2875 "-s wait gdb connection to port %d\n"
2876 "-p port change gdb connection port\n"
2877 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2878 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2879 " translation (t=none or lba) (usually qemu can guess them)\n"
2880 "-L path set the directory for the BIOS and VGA BIOS\n"
2882 "-no-kqemu disable KQEMU kernel module usage\n"
2884 #ifdef USE_CODE_COPY
2885 "-no-code-copy disable code copy acceleration\n"
2888 "-isa simulate an ISA-only system (default is PCI system)\n"
2889 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2890 " (default is CL-GD5446 PCI VGA)\n"
2892 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2894 "During emulation, the following keys are useful:\n"
2895 "ctrl-alt-f toggle full screen\n"
2896 "ctrl-alt-n switch to virtual console 'n'\n"
2897 "ctrl-alt toggle mouse and keyboard grab\n"
2899 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2901 #ifdef CONFIG_SOFTMMU
2907 DEFAULT_NETWORK_SCRIPT
,
2908 DEFAULT_GDBSTUB_PORT
,
2910 #ifndef CONFIG_SOFTMMU
2912 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2913 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2919 #define HAS_ARG 0x0001
2933 QEMU_OPTION_snapshot
,
2935 QEMU_OPTION_nographic
,
2936 QEMU_OPTION_enable_audio
,
2939 QEMU_OPTION_macaddr
,
2942 QEMU_OPTION_user_net
,
2946 QEMU_OPTION_dummy_net
,
2958 QEMU_OPTION_no_code_copy
,
2963 QEMU_OPTION_localtime
,
2964 QEMU_OPTION_cirrusvga
,
2966 QEMU_OPTION_std_vga
,
2967 QEMU_OPTION_monitor
,
2969 QEMU_OPTION_parallel
,
2971 QEMU_OPTION_full_screen
,
2972 QEMU_OPTION_pidfile
,
2973 QEMU_OPTION_no_kqemu
,
2974 QEMU_OPTION_win2k_hack
,
2977 typedef struct QEMUOption
{
2983 const QEMUOption qemu_options
[] = {
2984 { "h", 0, QEMU_OPTION_h
},
2986 { "M", HAS_ARG
, QEMU_OPTION_M
},
2987 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2988 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2989 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2990 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2991 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2992 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2993 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2994 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2995 { "snapshot", 0, QEMU_OPTION_snapshot
},
2996 { "m", HAS_ARG
, QEMU_OPTION_m
},
2997 { "nographic", 0, QEMU_OPTION_nographic
},
2998 { "k", HAS_ARG
, QEMU_OPTION_k
},
2999 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
3001 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
3002 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
3003 { "n", HAS_ARG
, QEMU_OPTION_n
},
3004 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
3006 { "user-net", 0, QEMU_OPTION_user_net
},
3007 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
3009 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
3011 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
3013 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
3015 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
3016 { "append", HAS_ARG
, QEMU_OPTION_append
},
3017 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
3019 { "S", 0, QEMU_OPTION_S
},
3020 { "s", 0, QEMU_OPTION_s
},
3021 { "p", HAS_ARG
, QEMU_OPTION_p
},
3022 { "d", HAS_ARG
, QEMU_OPTION_d
},
3023 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
3024 { "L", HAS_ARG
, QEMU_OPTION_L
},
3025 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
3027 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
3030 { "prep", 0, QEMU_OPTION_prep
},
3032 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3033 { "g", 1, QEMU_OPTION_g
},
3035 { "localtime", 0, QEMU_OPTION_localtime
},
3036 { "isa", 0, QEMU_OPTION_isa
},
3037 { "std-vga", 0, QEMU_OPTION_std_vga
},
3038 { "monitor", 1, QEMU_OPTION_monitor
},
3039 { "serial", 1, QEMU_OPTION_serial
},
3040 { "parallel", 1, QEMU_OPTION_parallel
},
3041 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
3042 { "full-screen", 0, QEMU_OPTION_full_screen
},
3043 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
3044 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
3046 /* temporary options */
3047 { "pci", 0, QEMU_OPTION_pci
},
3048 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
3052 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3054 /* this stack is only used during signal handling */
3055 #define SIGNAL_STACK_SIZE 32768
3057 static uint8_t *signal_stack
;
3061 /* password input */
3063 static BlockDriverState
*get_bdrv(int index
)
3065 BlockDriverState
*bs
;
3068 bs
= bs_table
[index
];
3069 } else if (index
< 6) {
3070 bs
= fd_table
[index
- 4];
3077 static void read_passwords(void)
3079 BlockDriverState
*bs
;
3083 for(i
= 0; i
< 6; i
++) {
3085 if (bs
&& bdrv_is_encrypted(bs
)) {
3086 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs
));
3087 for(j
= 0; j
< 3; j
++) {
3088 monitor_readline("Password: ",
3089 1, password
, sizeof(password
));
3090 if (bdrv_set_key(bs
, password
) == 0)
3092 term_printf("invalid password\n");
3098 /* XXX: currently we cannot use simultaneously different CPUs */
3099 void register_machines(void)
3101 #if defined(TARGET_I386)
3102 qemu_register_machine(&pc_machine
);
3103 #elif defined(TARGET_PPC)
3104 qemu_register_machine(&heathrow_machine
);
3105 qemu_register_machine(&core99_machine
);
3106 qemu_register_machine(&prep_machine
);
3107 #elif defined(TARGET_MIPS)
3108 qemu_register_machine(&mips_machine
);
3109 #elif defined(TARGET_SPARC)
3110 #ifdef TARGET_SPARC64
3111 qemu_register_machine(&sun4u_machine
);
3113 qemu_register_machine(&sun4m_machine
);
3118 #define NET_IF_TUN 0
3119 #define NET_IF_USER 1
3120 #define NET_IF_DUMMY 2
3122 int main(int argc
, char **argv
)
3124 #ifdef CONFIG_GDBSTUB
3125 int use_gdbstub
, gdbstub_port
;
3128 int snapshot
, linux_boot
;
3130 const char *initrd_filename
;
3131 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
3132 const char *kernel_filename
, *kernel_cmdline
;
3133 DisplayState
*ds
= &display_state
;
3134 int cyls
, heads
, secs
, translation
;
3135 int start_emulation
= 1;
3137 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
3139 const char *r
, *optarg
;
3140 CharDriverState
*monitor_hd
;
3141 char monitor_device
[128];
3142 char serial_devices
[MAX_SERIAL_PORTS
][128];
3143 int serial_device_index
;
3144 char parallel_devices
[MAX_PARALLEL_PORTS
][128];
3145 int parallel_device_index
;
3146 const char *loadvm
= NULL
;
3147 QEMUMachine
*machine
;
3149 #if !defined(CONFIG_SOFTMMU)
3150 /* we never want that malloc() uses mmap() */
3151 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
3153 register_machines();
3154 machine
= first_machine
;
3155 initrd_filename
= NULL
;
3156 for(i
= 0; i
< MAX_FD
; i
++)
3157 fd_filename
[i
] = NULL
;
3158 for(i
= 0; i
< MAX_DISKS
; i
++)
3159 hd_filename
[i
] = NULL
;
3160 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
3161 vga_ram_size
= VGA_RAM_SIZE
;
3162 bios_size
= BIOS_SIZE
;
3163 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
3164 #ifdef CONFIG_GDBSTUB
3166 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
3170 kernel_filename
= NULL
;
3171 kernel_cmdline
= "";
3177 cyls
= heads
= secs
= 0;
3178 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3179 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
3181 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
3182 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
3183 serial_devices
[i
][0] = '\0';
3184 serial_device_index
= 0;
3186 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "vc");
3187 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
3188 parallel_devices
[i
][0] = '\0';
3189 parallel_device_index
= 0;
3194 /* default mac address of the first network interface */
3208 hd_filename
[0] = argv
[optind
++];
3210 const QEMUOption
*popt
;
3213 popt
= qemu_options
;
3216 fprintf(stderr
, "%s: invalid option -- '%s'\n",
3220 if (!strcmp(popt
->name
, r
+ 1))
3224 if (popt
->flags
& HAS_ARG
) {
3225 if (optind
>= argc
) {
3226 fprintf(stderr
, "%s: option '%s' requires an argument\n",
3230 optarg
= argv
[optind
++];
3235 switch(popt
->index
) {
3237 machine
= find_machine(optarg
);
3240 printf("Supported machines are:\n");
3241 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3242 printf("%-10s %s%s\n",
3244 m
== first_machine
? " (default)" : "");
3249 case QEMU_OPTION_initrd
:
3250 initrd_filename
= optarg
;
3252 case QEMU_OPTION_hda
:
3253 case QEMU_OPTION_hdb
:
3254 case QEMU_OPTION_hdc
:
3255 case QEMU_OPTION_hdd
:
3258 hd_index
= popt
->index
- QEMU_OPTION_hda
;
3259 hd_filename
[hd_index
] = optarg
;
3260 if (hd_index
== cdrom_index
)
3264 case QEMU_OPTION_snapshot
:
3267 case QEMU_OPTION_hdachs
:
3271 cyls
= strtol(p
, (char **)&p
, 0);
3272 if (cyls
< 1 || cyls
> 16383)
3277 heads
= strtol(p
, (char **)&p
, 0);
3278 if (heads
< 1 || heads
> 16)
3283 secs
= strtol(p
, (char **)&p
, 0);
3284 if (secs
< 1 || secs
> 63)
3288 if (!strcmp(p
, "none"))
3289 translation
= BIOS_ATA_TRANSLATION_NONE
;
3290 else if (!strcmp(p
, "lba"))
3291 translation
= BIOS_ATA_TRANSLATION_LBA
;
3292 else if (!strcmp(p
, "auto"))
3293 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3296 } else if (*p
!= '\0') {
3298 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3303 case QEMU_OPTION_nographic
:
3304 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
3305 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
3308 case QEMU_OPTION_kernel
:
3309 kernel_filename
= optarg
;
3311 case QEMU_OPTION_append
:
3312 kernel_cmdline
= optarg
;
3314 case QEMU_OPTION_tun_fd
:
3318 net_if_type
= NET_IF_TUN
;
3319 if (nb_tun_fds
< MAX_NICS
) {
3320 fd
= strtol(optarg
, (char **)&p
, 0);
3322 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
3325 tun_fds
[nb_tun_fds
++] = fd
;
3329 case QEMU_OPTION_cdrom
:
3330 if (cdrom_index
>= 0) {
3331 hd_filename
[cdrom_index
] = optarg
;
3334 case QEMU_OPTION_boot
:
3335 boot_device
= optarg
[0];
3336 if (boot_device
!= 'a' &&
3339 boot_device
!= 'n' &&
3341 boot_device
!= 'c' && boot_device
!= 'd') {
3342 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
3346 case QEMU_OPTION_fda
:
3347 fd_filename
[0] = optarg
;
3349 case QEMU_OPTION_fdb
:
3350 fd_filename
[1] = optarg
;
3352 case QEMU_OPTION_no_code_copy
:
3353 code_copy_enabled
= 0;
3355 case QEMU_OPTION_nics
:
3356 nb_nics
= atoi(optarg
);
3357 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
3358 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
3362 case QEMU_OPTION_macaddr
:
3367 for(i
= 0; i
< 6; i
++) {
3368 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3375 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
3384 case QEMU_OPTION_tftp
:
3385 tftp_prefix
= optarg
;
3388 case QEMU_OPTION_smb
:
3389 net_slirp_smb(optarg
);
3392 case QEMU_OPTION_user_net
:
3393 net_if_type
= NET_IF_USER
;
3395 case QEMU_OPTION_redir
:
3396 net_slirp_redir(optarg
);
3399 case QEMU_OPTION_dummy_net
:
3400 net_if_type
= NET_IF_DUMMY
;
3402 case QEMU_OPTION_enable_audio
:
3409 ram_size
= atoi(optarg
) * 1024 * 1024;
3412 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
3413 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
3414 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
3423 mask
= cpu_str_to_log_mask(optarg
);
3425 printf("Log items (comma separated):\n");
3426 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
3427 printf("%-10s %s\n", item
->name
, item
->help
);
3435 pstrcpy(network_script
, sizeof(network_script
), optarg
);
3437 #ifdef CONFIG_GDBSTUB
3442 gdbstub_port
= atoi(optarg
);
3449 start_emulation
= 0;
3451 case QEMU_OPTION_pci
:
3454 case QEMU_OPTION_isa
:
3457 case QEMU_OPTION_prep
:
3461 keyboard_layout
= optarg
;
3463 case QEMU_OPTION_localtime
:
3466 case QEMU_OPTION_cirrusvga
:
3467 cirrus_vga_enabled
= 1;
3469 case QEMU_OPTION_std_vga
:
3470 cirrus_vga_enabled
= 0;
3477 w
= strtol(p
, (char **)&p
, 10);
3480 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3486 h
= strtol(p
, (char **)&p
, 10);
3491 depth
= strtol(p
, (char **)&p
, 10);
3492 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3493 depth
!= 24 && depth
!= 32)
3495 } else if (*p
== '\0') {
3496 depth
= graphic_depth
;
3503 graphic_depth
= depth
;
3506 case QEMU_OPTION_monitor
:
3507 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
3509 case QEMU_OPTION_serial
:
3510 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
3511 fprintf(stderr
, "qemu: too many serial ports\n");
3514 pstrcpy(serial_devices
[serial_device_index
],
3515 sizeof(serial_devices
[0]), optarg
);
3516 serial_device_index
++;
3518 case QEMU_OPTION_parallel
:
3519 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
3520 fprintf(stderr
, "qemu: too many parallel ports\n");
3523 pstrcpy(parallel_devices
[parallel_device_index
],
3524 sizeof(parallel_devices
[0]), optarg
);
3525 parallel_device_index
++;
3527 case QEMU_OPTION_loadvm
:
3530 case QEMU_OPTION_full_screen
:
3533 case QEMU_OPTION_pidfile
:
3534 create_pidfile(optarg
);
3537 case QEMU_OPTION_win2k_hack
:
3538 win2k_install_hack
= 1;
3542 case QEMU_OPTION_no_kqemu
:
3550 linux_boot
= (kernel_filename
!= NULL
);
3553 hd_filename
[0] == '\0' &&
3554 (cdrom_index
>= 0 && hd_filename
[cdrom_index
] == '\0') &&
3555 fd_filename
[0] == '\0')
3558 /* boot to cd by default if no hard disk */
3559 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
3560 if (fd_filename
[0] != '\0')
3566 #if !defined(CONFIG_SOFTMMU)
3567 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3569 static uint8_t stdout_buf
[4096];
3570 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
3573 setvbuf(stdout
, NULL
, _IOLBF
, 0);
3576 /* init host network redirectors */
3577 if (net_if_type
== -1) {
3578 net_if_type
= NET_IF_TUN
;
3579 #if defined(CONFIG_SLIRP)
3580 if (access(network_script
, R_OK
) < 0) {
3581 net_if_type
= NET_IF_USER
;
3586 for(i
= 0; i
< nb_nics
; i
++) {
3587 NetDriverState
*nd
= &nd_table
[i
];
3589 /* init virtual mac address */
3590 nd
->macaddr
[0] = macaddr
[0];
3591 nd
->macaddr
[1] = macaddr
[1];
3592 nd
->macaddr
[2] = macaddr
[2];
3593 nd
->macaddr
[3] = macaddr
[3];
3594 nd
->macaddr
[4] = macaddr
[4];
3595 nd
->macaddr
[5] = macaddr
[5] + i
;
3596 switch(net_if_type
) {
3597 #if defined(CONFIG_SLIRP)
3602 #if !defined(_WIN32)
3604 if (i
< nb_tun_fds
) {
3605 net_fd_init(nd
, tun_fds
[i
]);
3607 if (net_tun_init(nd
) < 0)
3619 /* init the memory */
3620 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
3622 #ifdef CONFIG_SOFTMMU
3623 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
3624 if (!phys_ram_base
) {
3625 fprintf(stderr
, "Could not allocate physical memory\n");
3629 /* as we must map the same page at several addresses, we must use
3634 tmpdir
= getenv("QEMU_TMPDIR");
3637 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
3638 if (mkstemp(phys_ram_file
) < 0) {
3639 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
3643 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
3644 if (phys_ram_fd
< 0) {
3645 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
3649 ftruncate(phys_ram_fd
, phys_ram_size
);
3650 unlink(phys_ram_file
);
3651 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
3653 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
3655 if (phys_ram_base
== MAP_FAILED
) {
3656 fprintf(stderr
, "Could not map physical memory\n");
3662 /* we always create the cdrom drive, even if no disk is there */
3664 if (cdrom_index
>= 0) {
3665 bs_table
[cdrom_index
] = bdrv_new("cdrom");
3666 bdrv_set_type_hint(bs_table
[cdrom_index
], BDRV_TYPE_CDROM
);
3669 /* open the virtual block devices */
3670 for(i
= 0; i
< MAX_DISKS
; i
++) {
3671 if (hd_filename
[i
]) {
3674 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
3675 bs_table
[i
] = bdrv_new(buf
);
3677 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
3678 fprintf(stderr
, "qemu: could not open hard disk image '%s'\n",
3682 if (i
== 0 && cyls
!= 0) {
3683 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
3684 bdrv_set_translation_hint(bs_table
[i
], translation
);
3689 /* we always create at least one floppy disk */
3690 fd_table
[0] = bdrv_new("fda");
3691 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
3693 for(i
= 0; i
< MAX_FD
; i
++) {
3694 if (fd_filename
[i
]) {
3697 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
3698 fd_table
[i
] = bdrv_new(buf
);
3699 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
3701 if (fd_filename
[i
] != '\0') {
3702 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
3703 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
3711 /* init CPU state */
3714 cpu_single_env
= env
;
3716 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
3717 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
3718 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
3719 qemu_register_reset(main_cpu_reset
, global_env
);
3722 cpu_calibrate_ticks();
3726 dumb_display_init(ds
);
3728 #if defined(CONFIG_SDL)
3729 sdl_display_init(ds
, full_screen
);
3730 #elif defined(CONFIG_COCOA)
3731 cocoa_display_init(ds
, full_screen
);
3733 dumb_display_init(ds
);
3737 vga_console
= graphic_console_init(ds
);
3739 monitor_hd
= qemu_chr_open(monitor_device
);
3741 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
3744 monitor_init(monitor_hd
, !nographic
);
3746 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
3747 if (serial_devices
[i
][0] != '\0') {
3748 serial_hds
[i
] = qemu_chr_open(serial_devices
[i
]);
3749 if (!serial_hds
[i
]) {
3750 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
3754 if (!strcmp(serial_devices
[i
], "vc"))
3755 qemu_chr_printf(serial_hds
[i
], "serial%d console\n", i
);
3759 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
3760 if (parallel_devices
[i
][0] != '\0') {
3761 parallel_hds
[i
] = qemu_chr_open(parallel_devices
[i
]);
3762 if (!parallel_hds
[i
]) {
3763 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
3764 parallel_devices
[i
]);
3767 if (!strcmp(parallel_devices
[i
], "vc"))
3768 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\n", i
);
3772 /* setup cpu signal handlers for MMU / self modifying code handling */
3773 #if !defined(CONFIG_SOFTMMU)
3775 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3778 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
3779 stk
.ss_sp
= signal_stack
;
3780 stk
.ss_size
= SIGNAL_STACK_SIZE
;
3783 if (sigaltstack(&stk
, NULL
) < 0) {
3784 perror("sigaltstack");
3790 struct sigaction act
;
3792 sigfillset(&act
.sa_mask
);
3793 act
.sa_flags
= SA_SIGINFO
;
3794 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3795 act
.sa_flags
|= SA_ONSTACK
;
3797 act
.sa_sigaction
= host_segv_handler
;
3798 sigaction(SIGSEGV
, &act
, NULL
);
3799 sigaction(SIGBUS
, &act
, NULL
);
3800 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3801 sigaction(SIGFPE
, &act
, NULL
);
3808 struct sigaction act
;
3809 sigfillset(&act
.sa_mask
);
3811 act
.sa_handler
= SIG_IGN
;
3812 sigaction(SIGPIPE
, &act
, NULL
);
3817 machine
->init(ram_size
, vga_ram_size
, boot_device
,
3818 ds
, fd_filename
, snapshot
,
3819 kernel_filename
, kernel_cmdline
, initrd_filename
);
3821 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
3822 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
3824 #ifdef CONFIG_GDBSTUB
3826 if (gdbserver_start(gdbstub_port
) < 0) {
3827 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
3831 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
3836 qemu_loadvm(loadvm
);
3839 /* XXX: simplify init */
3841 if (start_emulation
) {